[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 192.168.201.11 (251 ms) => setenv serverip 192.168.201.1 setenv serverip 192.168.201.1 => tftp 0x10000000 10849084/tftp-deploy-hl9kgkf4/kernel/zImage tftp 0x10000000 10849084/tftp-deploy-hl9kgkf4/kernel/zImage Using FEC device TFTP from server 192.168.201.1; our IP address is 192.168.201.11 Filename '10849084/tftp-deploy-hl9kgkf4/kernel/zImage'. Load address: 0x10000000 Loading: *################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# 5.3 MiB/s done Bytes transferred = 12403200 (bd4200 hex) => tftp 0x14000000 10849084/tftp-deploy-hl9kgkf4/ramdisk/ramdisk.cpio.gz.uboot tftp 0x14000000 10849084/tftp-deploy-hl9kgkf4/ramdisk/ramdisk.cpio.gz.uboot Using FEC device TFTP from server 192.168.201.1; our IP address is 192.168.201.11 Filename '10849084/tftp-deploy-hl9kgkf4/ramdisk/ramdisk.cpio.gz.uboot'. Load address: 0x14000000 Loading: *################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ############### 4.5 MiB/s done Bytes transferred = 15475322 (ec227a hex) => setenv initrd_size ${filesize} setenv initrd_size ${filesize} => tftp 0x13f00000 10849084/tftp-deploy-hl9kgkf4/dtb/imx6q-sabrelite.dtb tftp 0x13f00000 10849084/tftp-deploy-hl9kgkf4/dtb/imx6q-sabrelite.dtb Using FEC device TFTP from server 192.168.201.1; our IP address is 192.168.201.11 Filename '10849084/tftp-deploy-hl9kgkf4/dtb/imx6q-sabrelite.dtb'. Load address: 0x13f00000 Loading: *### 2.4 MiB/s done Bytes transferred = 42449 (a5d1 hex) => setenv bootargs 'console=ttymxc1,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/10849084/extract-nfsrootfs-tj20kbpk,tcp,hard ip=dhcp' setenv bootargs 'console=ttymxc1,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/10849084/extract-nfsrootfs-tj20kbpk,tcp,hard ip=dhcp' => bootz 0x10000000 0x14000000 0x13f00000 bootz 0x10000000 0x14000000 0x13f00000 Kernel image @ 0x10000000 [ 0x000000 - 0xbd4200 ] ## Loading init Ramdisk from Legacy Image at 14000000 ... Image Name: Image Type: ARM Linux RAMDisk Image (uncompressed) Data Size: 15475258 Bytes = 14.8 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 5.10.185-cip35 (KernelCI@build-j72455-arm-gcc-10-multi-v7-defconfig-kselftest-bwll6) (arm-linux-gnueabihf-gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Wed Jun 21 18:39:45 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/10849084/extract-nfsrootfs-tj20kbpk,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: 921400K/1048576K available (17408K kernel code, 2658K rwdata, 8108K rodata, 2048K init, 6693K bss, 61640K reserved, 65536K cma-reserved, 196608K highmem) [ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 [ 0.000000] ftrace: allocating 55432 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 [ 0.000009] 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 [ 0.004884] Console: colour dummy device 80x30 [ 0.004951] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 0.004981] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 0.005009] ... MAX_LOCK_DEPTH: 48 [ 0.005035] ... MAX_LOCKDEP_KEYS: 8192 [ 0.005062] ... CLASSHASH_SIZE: 4096 [ 0.005090] ... MAX_LOCKDEP_ENTRIES: 32768 [ 0.005116] ... MAX_LOCKDEP_CHAINS: 65536 [ 0.005142] ... CHAINHASH_SIZE: 32768 [ 0.005167] memory used by lock dependency info: 4061 kB [ 0.005193] memory used for stack traces: 2112 kB [ 0.005219] per task-struct memory footprint: 1536 bytes [ 0.005321] Calibrating delay loop (skipped), value calculated using timer frequency.. 6.00 BogoMIPS (lpj=30000) [ 0.005373] pid_max: default: 32768 minimum: 301 [ 0.005736] LSM: Security Framework initializing [ 0.005845] LSM support for eBPF active [ 0.005986] Mount-cache hash table entries: 2048 (order: 1, 8192 bytes, linear) [ 0.006037] Mountpoint-cache hash table entries: 2048 (order: 1, 8192 bytes, linear) [ 0.008576] CPU: Testing write buffer coherency: ok [ 0.008706] CPU0: Spectre v2: using BPIALL workaround [ 0.009719] CPU0: thread -1, cpu 0, socket 0, mpidr 80000000 [ 0.013258] Setting up static identity map for 0x10300000 - 0x103000ac [ 0.015733] rcu: Hierarchical SRCU implementation. [ 0.024807] EFI services will not be available. [ 0.025968] smp: Bringing up secondary CPUs ... [ 0.028889] CPU1: thread -1, cpu 1, socket 0, mpidr 80000001 [ 0.028904] CPU1: Spectre v2: using BPIALL workaround [ 0.032399] CPU2: thread -1, cpu 2, socket 0, mpidr 80000002 [ 0.032414] CPU2: Spectre v2: using BPIALL workaround [ 0.035542] CPU3: thread -1, cpu 3, socket 0, mpidr 80000003 [ 0.035557] CPU3: Spectre v2: using BPIALL workaround [ 0.036228] smp: Brought up 1 node, 4 CPUs [ 0.036264] SMP: Total of 4 processors activated (24.00 BogoMIPS). [ 0.036293] CPU: All CPU(s) started in SVC mode. [ 0.038711] devtmpfs: initialized [ 0.087855] VFP support v0.3: implementor 41 architecture 3 part 30 variant 9 rev 4 [ 0.090470] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 0.090538] futex hash table entries: 1024 (order: 4, 65536 bytes, linear) [ 0.095260] pinctrl core: initialized pinctrl subsystem [ 0.101813] DMI not present or invalid. [ 0.104007] NET: Registered protocol family 16 [ 0.113547] DMA: preallocated 256 KiB pool for atomic coherent allocations [ 0.122332] thermal_sys: Registered thermal governor 'step_wise' [ 0.122842] cpuidle: using governor menu [ 0.123332] CPU identified as i.MX6Q, silicon rev 1.2 [ 0.757034] vdd1p1: supplied by regulator-dummy [ 0.784096] vdd3p0: supplied by regulator-dummy [ 0.810756] vdd2p5: supplied by regulator-dummy [ 0.837400] vddarm: supplied by regulator-dummy [ 0.864864] vddpu: supplied by regulator-dummy [ 0.890728] vddsoc: supplied by regulator-dummy [ 2.027952] No ATAGs? [ 2.028494] hw-breakpoint: found 5 (+1 reserved) breakpoint and 1 watchpoint registers. [ 2.028570] hw-breakpoint: maximum watchpoint size is 4 bytes. [ 2.045366] imx6q-pinctrl 20e0000.pinctrl: initialized IMX pinctrl driver [ 2.070616] Serial: AMBA PL011 UART driver [ 2.127524] Kprobes globally optimized [ 2.231344] iommu: Default domain type: Translated [ 2.233593] vgaarb: loaded [ 2.237875] SCSI subsystem initialized [ 2.240200] usbcore: registered new interface driver usbfs [ 2.240490] usbcore: registered new interface driver hub [ 2.240699] usbcore: registered new device driver usb [ 2.247463] i2c i2c-0: IMX I2C adapter registered [ 2.253609] i2c i2c-1: IMX I2C adapter registered [ 2.257650] i2c i2c-2: IMX I2C adapter registered [ 2.261773] pps_core: LinuxPPS API ver. 1 registered [ 2.261811] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 2.261900] PTP clock support registered [ 2.277711] clocksource: Switched to clocksource mxc_timer1 [ 3.890629] NET: Registered protocol family 2 [ 3.891421] IP idents hash table entries: 16384 (order: 5, 131072 bytes, linear) [ 3.894410] tcp_listen_portaddr_hash hash table entries: 512 (order: 2, 22528 bytes, linear) [ 3.894580] TCP established hash table entries: 8192 (order: 3, 32768 bytes, linear) [ 3.894785] TCP bind hash table entries: 8192 (order: 6, 327680 bytes, linear) [ 3.896220] TCP: Hash tables configured (established 8192 bind 8192) [ 3.897192] MPTCP token hash table entries: 1024 (order: 3, 49152 bytes, linear) [ 3.897513] UDP hash table entries: 512 (order: 3, 49152 bytes, linear) [ 3.897859] UDP-Lite hash table entries: 512 (order: 3, 49152 bytes, linear) [ 3.898587] NET: Registered protocol family 1 [ 3.901158] RPC: Registered named UNIX socket transport module. [ 3.901240] RPC: Registered udp transport module. [ 3.901275] RPC: Registered tcp transport module. [ 3.901308] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 3.901360] NET: Registered protocol family 44 [ 3.901424] PCI: CLS 0 bytes, default 64 [ 3.903684] Trying to unpack rootfs image as initramfs... [ 5.713494] Freeing initrd memory: 15116K [ 5.714389] hw perfevents: no interrupt-affinity property for /pmu, guessing. [ 5.715384] hw perfevents: enabled with armv7_cortex_a9 PMU driver, 7 counters available [ 5.723733] Initialise system trusted keyrings [ 5.724703] workingset: timestamp_bits=30 max_order=18 bucket_order=0 [ 5.769457] squashfs: version 4.0 (2009/01/31) Phillip Lougher [ 5.772844] NFS: Registering the id_resolver key type [ 5.773048] Key type id_resolver registered [ 5.773131] Key type id_legacy registered [ 5.773690] nfs4filelayout_init: NFSv4 File Layout Driver Registering... [ 5.773790] nfs4flexfilelayout_init: NFSv4 Flexfile Layout Driver Registering... [ 5.773980] ntfs: driver 2.1.32 [Flags: R/O]. [ 5.776047] Key type asymmetric registered [ 5.776169] Asymmetric key parser 'x509' registered [ 5.776549] bounce: pool size: 64 pages [ 5.776706] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 247) [ 5.776805] io scheduler mq-deadline registered [ 5.776843] io scheduler kyber registered [ 5.777769] test_firmware: interface ready [ 5.935017] mxs-dma 110000.dma-apbh: initialized [ 5.992414] imx-sdma 20ec000.sdma: Direct firmware load for imx/sdma/sdma-imx6q.bin failed with error -2 [ 5.992658] imx-sdma 20ec000.sdma: external firmware not found, using ROM firmware [ 6.224027] Serial: 8250/16550 driver, 5 ports, IRQ sharing enabled [ 6.242592] SuperH (H)SCI(F) driver initialized [ 6.245317] 2020000.serial: ttymxc0 at MMIO 0x2020000 (irq = 34, base_baud = 5000000) is a IMX [ 6.249988] 21e8000.serial: ttymxc1 at MMIO 0x21e8000 (irq = 81, base_baud = 5000000) is a IMX [ 7.179962] printk: console [ttymxc1] enabled [ 7.190008] msm_serial: driver initialized [ 7.195126] STMicroelectronics ASC driver initialized [ 7.206088] STM32 USART driver initialized [ 7.230039] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 0 [ 7.250421] panel-simple panel-lcd: supply power not found, using dummy regulator [ 7.258775] panel-simple panel-lcd: Specify missing connector_type [ 7.266397] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 7.315946] brd: module loaded [ 7.369681] loop: module loaded [ 7.375722] lkdtm: No crash points registered, enable through debugfs [ 7.396224] ahci-imx 2200000.sata: fsl,transmit-level-mV not specified, using 00000024 [ 7.404261] ahci-imx 2200000.sata: fsl,transmit-boost-mdB not specified, using 00000480 [ 7.412362] ahci-imx 2200000.sata: fsl,transmit-atten-16ths not specified, using 00002000 [ 7.420626] ahci-imx 2200000.sata: fsl,receive-eq-mdB not specified, using 05000000 [ 7.428630] ahci-imx 2200000.sata: supply ahci not found, using dummy regulator [ 7.436780] ahci-imx 2200000.sata: supply phy not found, using dummy regulator [ 7.444503] ahci-imx 2200000.sata: supply target not found, using dummy regulator [ 7.455841] ahci-imx 2200000.sata: SSS flag set, parallel bus scan disabled [ 7.462950] ahci-imx 2200000.sata: AHCI 0001.0300 32 slots 1 ports 3 Gbps 0x1 impl platform mode [ 7.471831] ahci-imx 2200000.sata: flags: ncq sntf stag pm led clo only pmp pio slum part ccc apst [ 7.485786] scsi host0: ahci-imx [ 7.491214] ata1: SATA max UDMA/133 mmio [mem 0x02200000-0x02203fff] port 0x100 irq 84 [ 7.550147] bgmac_bcma: Broadcom 47xx GBit MAC driver loaded [ 7.563234] pps pps0: new PPS source ptp0 [ 7.607541] fec 2188000.ethernet eth0: registered PHC device 0 [ 7.617856] e1000e: Intel(R) PRO/1000 Network Driver [ 7.622853] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. [ 7.629070] igb: Intel(R) Gigabit Ethernet Network Driver [ 7.634499] igb: Copyright (c) 2007-2014 Intel Corporation. [ 7.660163] pegasus: v0.9.3 (2013/04/25), Pegasus/Pegasus II USB Ethernet driver [ 7.667793] usbcore: registered new interface driver pegasus [ 7.673665] usbcore: registered new interface driver asix [ 7.679279] usbcore: registered new interface driver ax88179_178a [ 7.685529] usbcore: registered new interface driver cdc_ether [ 7.691686] usbcore: registered new interface driver smsc75xx [ 7.697704] usbcore: registered new interface driver smsc95xx [ 7.703610] usbcore: registered new interface driver net1080 [ 7.709474] usbcore: registered new interface driver cdc_subset [ 7.715549] usbcore: registered new interface driver zaurus [ 7.721435] usbcore: registered new interface driver cdc_ncm [ 7.738805] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 7.745432] ehci-pci: EHCI PCI platform driver [ 7.750117] ehci-platform: EHCI generic platform driver [ 7.756286] ehci-orion: EHCI orion driver [ 7.761197] SPEAr-ehci: EHCI SPEAr driver [ 7.766000] ehci-st: EHCI STMicroelectronics driver [ 7.771725] ehci-exynos: EHCI Exynos driver [ 7.776683] ehci-atmel: EHCI Atmel driver [ 7.781520] tegra-ehci: Tegra EHCI driver [ 7.786347] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 7.792702] ohci-pci: OHCI PCI platform driver [ 7.797324] ohci-platform: OHCI generic platform driver [ 7.803514] SPEAr-ohci: OHCI SPEAr driver [ 7.808396] ohci-st: OHCI STMicroelectronics driver [ 7.814055] ohci-atmel: OHCI Atmel driver [ 7.822062] usbcore: registered new interface driver usb-storage [ 7.840438] ata1: SATA link down (SStatus 0 SControl 300) [ 7.846196] ahci-imx 2200000.sata: no device found, disabling link. [ 7.852582] ahci-imx 2200000.sata: pass ahci_imx..hotplug=1 to enable hotplug [ 7.857479] i2c /dev entries driver [ 7.936930] sdhci: Secure Digital Host Controller Interface driver [ 7.943240] sdhci: Copyright(c) Pierre Ossman [ 7.956396] Synopsys Designware Multimedia Card Interface Driver [ 7.969257] sdhci-pltfm: SDHCI platform and OF driver helper [ 7.978588] sdhci-esdhc-imx 2198000.mmc: Got CD GPIO [ 7.979428] sdhci-esdhc-imx 219c000.mmc: Got CD GPIO [ 7.983773] sdhci-esdhc-imx 2198000.mmc: Got WP GPIO [ 7.995014] ledtrig-cpu: registered to indicate activity on CPUs [ 8.004603] usbcore: registered new interface driver usbhid [ 8.010291] usbhid: USB HID core driver [ 8.031831] mmc2: SDHCI controller on 2198000.mmc [2198000.mmc] using ADMA [ 8.031838] mmc3: SDHCI controller on 219c000.mmc [219c000.mmc] using ADMA [ 8.037432] ipip: IPv4 and MPLS over IPv4 tunneling driver [ 8.053602] IPv4 over IPsec tunneling driver [ 8.062486] NET: Registered protocol family 10 [ 8.072400] Segment Routing with IPv6 [ 8.078329] mmc2: new high speed SDHC card at address 0001 [ 8.081900] NET: Registered protocol family 17 [ 8.087533] mmcblk2: mmc2:0001 SD 14.6 GiB [ 8.094615] Key type dns_resolver registered [ 8.113107] ThumbEE CPU extension supported. [ 8.117085] GPT:Primary header thinks Alt. header is not at the end of the disk. [ 8.117435] Registering SWP/SWPB emulation handler [ 8.124950] GPT:29296874 != 30560255 [ 8.133427] GPT:Alternate GPT header not at the end of the disk. [ 8.134880] Loading compiled-in X.509 certificates [ 8.139593] GPT:29296874 != 30560255 [ 8.139634] GPT: Use GNU Parted to correct GPT errors. [ 8.153352] mmcblk2: p1 p2 p3 [ 8.299487] panel-simple panel-lcd: supply power not found, using dummy regulator [ 8.307846] panel-simple panel-lcd: Specify missing connector_type [ 8.320068] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 8.355197] imx_usb 2184200.usb: No over current polarity defined [ 8.370053] ci_hdrc ci_hdrc.1: EHCI Host Controller [ 8.375268] ci_hdrc ci_hdrc.1: new USB bus registered, assigned bus number 1 [ 8.408206] ci_hdrc ci_hdrc.1: USB 2.0 started, EHCI 1.00 [ 8.427093] hub 1-0:1.0: USB hub found [ 8.433305] hub 1-0:1.0: 1 port detected [ 8.448331] imx_thermal 20c8000.anatop:tempmon: Automotive CPU temperature grade - max:125C critical:120C passive:115C [ 8.477698] panel-simple panel-lcd: supply power not found, using dummy regulator [ 8.485925] panel-simple panel-lcd: Specify missing connector_type [ 8.498196] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 8.525388] panel-simple panel-lcd: supply power not found, using dummy regulator [ 8.533708] panel-simple panel-lcd: Specify missing connector_type [ 8.545872] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 8.563337] input: gpio-keys as /devices/platform/gpio-keys/input/input0 [ 8.589191] panel-simple panel-lcd: supply power not found, using dummy regulator [ 8.597397] panel-simple panel-lcd: Specify missing connector_type [ 8.609741] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 8.630575] 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) [ 8.827966] usb 1-1: new high-speed USB device number 2 using ci_hdrc [ 9.036393] hub 1-1:1.0: USB hub found [ 9.041118] hub 1-1:1.0: 3 ports detected [ 9.070263] panel-simple panel-lcd: supply power not found, using dummy regulator [ 9.078473] panel-simple panel-lcd: Specify missing connector_type [ 9.090838] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 10.729625] fec 2188000.ethernet eth0: Link is Up - 100Mbps/Full - flow control off [ 10.758979] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready [ 10.787768] Sending DHCP requests ., OK [ 10.832279] IP-Config: Got DHCP answer from 192.168.201.1, my address is 192.168.201.11 [ 10.840517] IP-Config: Complete: [ 10.843820] device=eth0, hwaddr=00:19:b8:07:40:03, ipaddr=192.168.201.11, mask=255.255.255.0, gw=192.168.201.1 [ 10.854476] host=imx6q-sabrelite-lava-cbg-0, domain=lava-rack, nis-domain=(none) [ 10.862476] bootserver=192.168.201.1, rootserver=192.168.201.1, rootpath= [ 10.862517] nameserver0=192.168.201.1 [ 10.929098] Freeing unused kernel memory: 2048K [ 10.938551] Run /init as init process Loading, please wait... Starting version 247.3-7+deb11u2 [ 14.540698] imx-ipuv3 2400000.ipu: IPUv3H probed [ 14.569335] panel-simple panel-lcd: supply power not found, using dummy regulator [ 14.577555] panel-simple panel-lcd: Specify missing connector_type [ 14.589530] imx-ipuv3 2800000.ipu: IPUv3H probed [ 14.609188] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 14.646065] panel-simple panel-lcd: supply power not found, using dummy regulator [ 14.660268] panel-simple panel-lcd: Specify missing connector_type [ 14.674929] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 14.691931] CAN device driver interface [ 14.734595] panel-simple panel-lcd: supply power not found, using dummy regulator [ 14.742999] panel-simple panel-lcd: Specify missing connector_type [ 14.756938] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 14.805223] etnaviv etnaviv: bound 130000.gpu (ops gpu_ops [etnaviv]) [ 14.820744] etnaviv etnaviv: bound 134000.gpu (ops gpu_ops [etnaviv]) [ 14.829613] etnaviv etnaviv: bound 2204000.gpu (ops gpu_ops [etnaviv]) [ 14.836222] etnaviv-gpu 130000.gpu: model: GC2000, revision: 5108 [ 14.850373] etnaviv-gpu 134000.gpu: model: GC320, revision: 5007 [ 14.857595] etnaviv-gpu 2204000.gpu: model: GC355, revision: 1215 [ 14.863952] etnaviv-gpu 2204000.gpu: Ignoring GPU with VG and FE2.0 [ 14.865842] caam 2100000.crypto: Entropy delay = 3200 [ 14.881864] [drm] Initialized etnaviv 1.3.0 20151214 for etnaviv on minor 1 [ 14.899426] panel-simple panel-lcd: supply power not found, using dummy regulator [ 14.908278] panel-simple panel-lcd: Specify missing connector_type [ 14.921429] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 14.936198] caam 2100000.crypto: Instantiated RNG4 SH0 [ 14.963440] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) [ 14.972211] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) [ 14.987511] panel-simple panel-lcd: supply power not found, using dummy regulator [ 14.995812] panel-simple panel-lcd: Specify missing connector_type [ 14.996953] caam 2100000.crypto: Instantiated RNG4 SH1 [ 15.007256] caam 2100000.crypto: device ID = 0x0a16010000000000 (Era 4) [ 15.013960] caam 2100000.crypto: job rings = 2, qi = 0 [ 15.022285] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) [ 15.031222] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) [ 15.051113] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 15.092931] panel-simple panel-lcd: supply power not found, using dummy regulator [ 15.101202] usb_phy_generic usbphynop1: supply vcc not found, using dummy regulator [ 15.101289] panel-simple panel-lcd: Specify missing connector_type [ 15.125183] usb_phy_generic usbphynop1: dummy supplies not allowed for exclusive requests [ 15.134743] usb_phy_generic usbphynop2: supply vcc not found, using dummy regulator [ 15.143722] usb_phy_generic usbphynop2: dummy supplies not allowed for exclusive requests [ 15.149988] sgtl5000 0-000a: sgtl5000 revision 0x11 [ 15.182238] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) [ 15.184532] sgtl5000 0-000a: Using internal LDO instead of VDDD: check ER1 erratum [ 15.190797] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) [ 15.206693] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) [ 15.215169] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) [ 15.237312] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 15.270908] panel-simple panel-lcd: supply power not found, using dummy regulator [ 15.279299] panel-simple panel-lcd: Specify missing connector_type [ 15.298223] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) [ 15.306640] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) [ 15.315394] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) [ 15.324025] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) [ 15.343244] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 15.382520] panel-simple panel-lcd: supply power not found, using dummy regulator [ 15.391233] panel-simple panel-lcd: Specify missing connector_type [ 15.986700] caam algorithms registered in /proc/crypto [ 15.998873] caam 2100000.crypto: registering rng-caam [ 16.024068] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) [ 16.032593] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) [ 16.041442] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) [ 16.049838] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) [ 16.063778] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 16.091873] panel-simple panel-lcd: supply power not found, using dummy regulator [ 16.100142] panel-simple panel-lcd: Specify missing connector_type [ 16.117281] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) [ 16.125734] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) [ 16.134705] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) Begin: Loading essential drivers [ 16.143367] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) ... done. Begin: Running /scripts/init-premount ... done. Begin: Mounting root file system ... Begin: Running /scripts/nfs-top ... done. Begin: Running /scripts/nfs-premount ... Waiting up to 60 secs for any ethernet to become available [ 16.188148] random: crng init done Device /sys/class/net/eth0 found done. IP-Config: eth0 hardware address 00:19:b8:07:40:03 mtu 1500 DHCP IP-Config: eth0 complete (dhcp from 192.168.201.1): address: 192.168.201.11 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-0 domain : lava-rack rootserver: 192.168.201.1 rootpath: filename : done. Begin: Running /scripts/nfs-bottom ... done. Begin: Running /scripts/init-bottom ... done. [ 18.097411] systemd[1]: System time before build time, advancing clock. [ 18.327330] systemd[1]: systemd 247.3-7+deb11u2 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) [ 18.353790] systemd[1]: Detected architecture arm. Welcome to Debian GNU/Linux 11 (bullseye)! [ 18.424905] systemd[1]: Set hostname to . [ 20.040413] systemd[1]: Queued start job for default target Graphical Interface. [ 20.054100] systemd[1]: Created slice system-getty.slice. [ OK ] Created slice system-getty.slice. [ 20.112820] systemd[1]: Created slice system-modprobe.slice. [ OK ] Created slice system-modprobe.slice. [ 20.162232] systemd[1]: Created slice system-serial\x2dgetty.slice. [ OK ] Created slice system-serial\x2dgetty.slice. [ 20.212122] systemd[1]: Created slice User and Session Slice. [ OK ] Created slice User and Session Slice. [ 20.261759] systemd[1]: Started Dispatch Password Requests to Console Directory Watch. [ OK ] Started Dispatch Password …ts to Console Directory Watch. [ 20.311042] systemd[1]: Started Forward Password Requests to Wall Directory Watch. [ OK ] Started Forward Password R…uests to Wall Directory Watch. [ 20.349143] systemd[1]: Condition check resulted in Arbitrary Executable File Formats File System Automount Point being skipped. [ 20.361812] systemd[1]: Reached target Local Encrypted Volumes. [ OK ] Reached target Local Encrypted Volumes. [ 20.399247] systemd[1]: Reached target Paths. [ OK ] Reached target Paths. [ 20.438617] systemd[1]: Reached target Remote File Systems. [ OK ] Reached target Remote File Systems. [ 20.478171] systemd[1]: Reached target Slices. [ OK ] Reached target Slices. [ 20.518793] systemd[1]: Reached target Swap. [ OK ] Reached target Swap. [ 20.561985] systemd[1]: Listening on initctl Compatibility Named Pipe. [ OK ] Listening on initctl Compatibility Named Pipe. [ 20.667305] systemd[1]: Condition check resulted in Journal Audit Socket being skipped. [ 20.680847] systemd[1]: Listening on Journal Socket (/dev/log). [ OK ] Listening on Journal Socket (/dev/log). [ 20.721147] systemd[1]: Listening on Journal Socket. [ OK ] Listening on Journal Socket. [ 20.764643] systemd[1]: Listening on Network Service Netlink Socket. [ OK ] Listening on Network Service Netlink Socket. [ 20.819260] systemd[1]: Listening on udev Control Socket. [ OK ] Listening on udev Control Socket. [ 20.862794] systemd[1]: Listening on udev Kernel Socket. [ OK ] Listening on udev Kernel Socket. [ 20.901535] systemd[1]: Condition check resulted in Huge Pages File System being skipped. [ 20.911712] systemd[1]: Condition check resulted in POSIX Message Queue File System being skipped. [ 20.929799] systemd[1]: Mounting Kernel Debug File System... Mounting Kernel Debug File System... [ 20.979281] systemd[1]: Mounting Kernel Trace File System... Mounting Kernel Trace File System... [ 21.033965] systemd[1]: Starting Create list of static device nodes for the current kernel... Starting Create list of st…odes for the current kernel... [ 21.089960] systemd[1]: Starting Load Kernel Module configfs... Starting Load Kernel Module configfs... [ 21.137122] systemd[1]: Starting Load Kernel Module drm... Starting Load Kernel Module drm... [ 21.186909] systemd[1]: Starting Load Kernel Module fuse... Starting Load Kernel Module fuse... [ 21.235099] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped. [ 21.270400] systemd[1]: Starting Journal Service... [ 21.275295] fuse: init (API version 7.32) Starting Journal Service... [ 21.324919] systemd[1]: Starting Load Kernel Modules... Starting Load Kernel Modules... [ 21.376909] systemd[1]: Starting Remount Root and Kernel File Systems... Starting Remount Root and Kernel File Systems... [ 21.426762] systemd[1]: Starting Coldplug All udev Devices... Starting Coldplug All udev Devices... [ 21.462995] systemd[1]: Mounted Kernel Debug File System. [ OK ] Mounted Kernel Debug File System. [ 21.501268] systemd[1]: Mounted Kernel Trace File System. [ OK ] Mounted Kernel Trace File System. [ 21.547007] systemd[1]: Finished Create list of static device nodes for the current kernel. [ OK ] Finished Create list of st… nodes for the current kernel. [ 21.628522] systemd[1]: modprobe@configfs.service: Succeeded. [ 21.638396] systemd[1]: Finished Load Kernel Module configfs. [ OK ] Finished Load Kernel Module configfs. [ 21.683723] systemd[1]: modprobe@drm.service: Succeeded. [ 21.693261] systemd[1]: Finished Load Kernel Module drm. [ OK ] Finished Load Kernel Module drm. [ 21.733170] systemd[1]: modprobe@fuse.service: Succeeded. [ 21.742832] systemd[1]: Finished Load Kernel Module fuse. [ OK ] Finished Load Kernel Module fuse. [ 21.782872] systemd[1]: Finished Load Kernel Modules. [ OK ] Finished Load Kernel Modules. [ 21.822746] systemd[1]: Finished Remount Root and Kernel File Systems. [ OK ] Finished Remount Root and Kernel File Systems. [ 21.878788] systemd[1]: Mounting FUSE Control File System... Mounting FUSE Control File System... [ 21.926320] systemd[1]: Mounting Kernel Configuration File System... Mounting Kernel Configuration File System... [ 21.954877] systemd[1]: Condition check resulted in Rebuild Hardware Database being skipped. [ 21.964968] systemd[1]: Condition check resulted in Platform Persistent Storage Archival being skipped. [ 21.984694] systemd[1]: Starting Load/Save Random Seed... Starting Load/Save Random Seed... [ 22.038372] systemd[1]: Starting Apply Kernel Variables... Starting Apply Kernel Variables... [ 22.099248] systemd[1]: Starting Create System Users... Starting Create System Users... [ 22.147453] 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... [ 22.543455] systemd-journald[290]: 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. [ OK ] Started Rule-based Manager for Device Events and Files. Starting Network Service... Starting Create Volatile Files and Directories... [ OK ] Started Network Service. [ OK ] Finished Create Volatile Files and Directories. Starting Network Name Resolution... Starting Network Time Synchronization... Starting Update UTMP about System Boot/Shutdown... [ OK ] Finished Update UTMP about System Boot/Shutdown. [ OK ] Started Network Time Synchronization. [ OK ] Finished Coldplug All udev Devices. [ OK ] Reached target System Initialization. [ OK ] Started Daily Cleanup of Temporary Directories. [ OK ] Reached target System Time Set. [ OK ] Reached target System Time Synchronized. [ 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 ] Reached target Timers. [ OK ] Reached target Hardware activated USB gadget. [ 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... [ OK ] Found device /dev/ttymxc1. [ OK ] Started Network Name Resolution. [ OK ] Finished Remove Stale Onli…ext4 Metadata Check Snapshots. [ OK ] Started User Login Management. [ OK ] Reached target Network. [ OK ] Reached target Host and Network Name Lookups. [ OK ] Listening on Load/Save RF …itch Status /dev/rfkill Watch. Starting Permit User Sessions... [ OK ] Finished Permit User Sessions. [ 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 5.10.185-cip35 #1 SMP Wed Jun 21 18:39:45 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/10849084/extract-nfsrootfs-tj20kbpk' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/10849084/extract-nfsrootfs-tj20kbpk' / # 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-10849084/environment . /lava-10849084/environment / # /lava-10849084/bin/lava-test-runner /lava-10849084/0 /lava-10849084/bin/lava-test-runner /lava-10849084/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-10849084/0/tests/0_timesync-off ++ cat uuid + UUID=10849084_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-10849084/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=10849084_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/v5.10.182-cip35-289-g3c0549540706/arm/multi_v7_defconfig+kselftest/gcc-10/kselftest.tar.xz -L '' -S /dev/null -b imx6q-sabrelite -g cip-gitlab -e '' -p /opt/kselftests/mainline/ -n 1 -i 1 INFO: install_deps skipped --2023-06-21 18:52:18-- http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.182-cip35-289-g3c0549540706/arm/multi_v7_defconfig+kselftest/gcc-10/kselftest.tar.xz Resolving storage.kernelci.org (storage.kernelci.org)... 20.171.243.82 Connecting to storage.kernelci.org (storage.kernelci.org)|20.171.243.82|:80... connected. HTTP request sent, awaiting response... 200 OK Length: 1408972 (1.3M) [application/octet-stream] Saving to: 'kselftest.tar.xz' kselftest.tar.xz 0%[ ] 0 --.-KB/s kselftest.tar.xz 3%[ ] 46.39K 181KB/s kselftest.tar.xz 13%[=> ] 186.39K 360KB/s kselftest.tar.xz 56%[==========> ] 780.29K 1004KB/s kselftest.tar.xz 94%[=================> ] 1.27M 1.18MB/s kselftest.tar.xz 100%[===================>] 1.34M 1.24MB/s in 1.1s 2023-06-21 18:52:20 (1.24 MB/s) - 'kselftest.tar.xz' saved [1408972/1408972] skiplist: ======================================== ======================================== 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 =============== [ 55.571928] 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 [ 56.560671] lkdtm: Performing direct entry BUG [ 56.565439] ------------[ cut here ]------------ [ 56.570075] kernel BUG at drivers/misc/lkdtm/bugs.c:76! [ 56.575325] Internal error: Oops - BUG: 0 [#1] SMP ARM [ 56.580487] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi etnaviv imxdrm gpu_sched imx_ipu_v3 [ 56.609777] CPU: 3 PID: 713 Comm: cat Not tainted 5.10.185-cip35 #1 [ 56.616066] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 56.622628] PC is at lkdtm_BUG+0x14/0x18 [ 56.626577] LR is at lkdtm_do_action+0x2c/0x4c [ 56.631045] pc : [] lr : [] psr: a00e0013 [ 56.637332] sp : c6c45e58 ip : c6c45e68 fp : c6c45e64 [ 56.642577] r10: 00000004 r9 : c1ace940 r8 : c15ead88 [ 56.647821] r7 : c6c45f60 r6 : 00000004 r5 : c5d7b000 r4 : 00000001 [ 56.654371] r3 : c0c53f30 r2 : b20142c1 r1 : ef7c05e0 r0 : c15ead90 [ 56.660924] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 56.668082] Control: 10c5387d Table: 1475004a DAC: 00000051 [ 56.673851] Process cat (pid: 713, stack limit = 0xa9823a0b) [ 56.679535] Stack: (0xc6c45e58 to 0xc6c46000) [ 56.683918] 5e40: c6c45e74 c6c45e68 [ 56.692126] 5e60: c0c539c4 c0c53f3c c6c45e9c c6c45e78 c0c53ec4 c0c539a4 c0c53da4 c694b7c0 [ 56.700334] 5e80: b6e28000 00000004 c51399c0 c6c45f60 c6c45ec4 c6c45ea0 c07e064c c0c53db0 [ 56.708543] 5ea0: 00000000 c694b7c0 b6e28000 c2815800 c6c45f60 c07e05e8 c6c45f5c c6c45ec8 [ 56.716751] 5ec0: c059acf8 c07e05f4 00000001 00000000 c059b2a4 c139c8e0 c059b2a4 c6c44000 [ 56.724959] 5ee0: b6e28000 00020000 00000004 00000004 0001fffc c6c45ee0 00000001 b6e27000 [ 56.733165] 5f00: c59c7b80 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 56.741372] 5f20: 00000000 00000000 c139c8e0 b20142c1 c205e380 c694b7c0 c694b7c0 c6c44000 [ 56.749579] 5f40: b6e28000 00000000 00000000 00000004 c6c45f94 c6c45f60 c059b2a4 c059abf8 [ 56.757785] 5f60: 00000000 00000000 c6c45fac b20142c1 00000004 00000004 b6f6fe00 00000004 [ 56.765990] 5f80: c03002e4 c6c44000 c6c45fa4 c6c45f98 c059b334 c059b23c 00000000 c6c45fa8 [ 56.774197] 5fa0: c03000c0 c059b328 00000004 00000004 00000001 b6e28000 00000004 00000000 [ 56.782404] 5fc0: 00000004 00000004 b6f6fe00 00000004 00000001 00000000 00020000 beec6ac4 [ 56.790611] 5fe0: 00000004 beec67f8 b6ed9d8f b6e607e6 800e0030 00000001 00000000 00000000 [ 56.798804] Backtrace: [ 56.801298] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) [ 56.808902] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 56.816946] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 56.824897] r9:c6c45f60 r8:c51399c0 r7:00000004 r6:b6e28000 r5:c694b7c0 r4:c0c53da4 [ 56.832683] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 56.840544] r9:c07e05e8 r8:c6c45f60 r7:c2815800 r6:b6e28000 r5:c694b7c0 r4:00000000 [ 56.848320] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 56.855485] r10:00000004 r9:00000000 r8:00000000 r7:b6e28000 r6:c6c44000 r5:c694b7c0 [ 56.863334] r4:c694b7c0 [ 56.865902] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 56.873067] r9:c6c44000 r8:c03002e4 r7:00000004 r6:b6f6fe00 r5:00000004 r4:00000004 [ 56.880846] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 56.888437] Exception stack(0xc6c45fa8 to 0xc6c45ff0) [ 56.893516] 5fa0: 00000004 00000004 00000001 b6e28000 00000004 00000000 [ 56.901722] 5fc0: 00000004 00000004 b6f6fe00 00000004 00000001 00000000 00020000 beec6ac4 [ 56.909923] 5fe0: 00000004 beec67f8 b6ed9d8f b6e607e6 [ 56.915008] Code: e92dd800 e24cb004 e52de004 e8bd4000 (e7f001f2) [ 56.921134] ---[ end trace 41cacc2ec7df9402 ]--- [ 56.925778] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 56.934674] in_atomic(): 0, irqs_disabled(): 128, non_block: 0, pid: 713, name: cat [ 56.942348] INFO: lockdep is turned off. [ 56.946288] irq event stamp: 1632 [ 56.949645] hardirqs last enabled at (1631): [] console_unlock+0x4b0/0x6c0 [ 56.957505] hardirqs last disabled at (1632): [] __und_svc+0x60/0x6c [ 56.964756] softirqs last enabled at (1250): [] __do_softirq+0x36c/0x5a0 [ 56.972442] softirqs last disabled at (1241): [] __irq_exit_rcu+0x178/0x1d0 [ 56.980299] CPU: 3 PID: 713 Comm: cat Tainted: G D 5.10.185-cip35 #1 [ 56.987975] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 56.994520] Backtrace: [ 56.997018] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 57.004615] r7:ffffffff r6:600e0093 r5:00000000 r4:c1f0fcb8 [ 57.010314] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 57.017673] [] (dump_stack) from [] (___might_sleep+0x188/0x2e0) [ 57.025448] r9:600e0093 r8:0000000b r7:c035c4c4 r6:00000031 r5:c19cae0c r4:c6c44000 [ 57.033223] [] (___might_sleep) from [] (__might_sleep+0x70/0xb0) [ 57.041076] r6:00000000 r5:00000031 r4:c19cae0c [ 57.045740] [] (__might_sleep) from [] (exit_signals+0x4c/0x420) [ 57.053507] r6:00000001 r5:c6c44000 r4:c5a1c380 [ 57.058171] [] (exit_signals) from [] (do_exit+0x100/0xafc) [ 57.065511] r8:0000000b r7:c1e0f84c r6:ffffe000 r5:00000000 r4:c5a1c380 [ 57.072250] [] (do_exit) from [] (make_task_dead+0x68/0x74) [ 57.079578] r7:c1e0f84c [ 57.082148] [] (make_task_dead) from [] (die+0x370/0x37c) [ 57.089314] [] (die) from [] (do_undefinstr+0x170/0x240) [ 57.096393] r10:00000004 r9:c6c44000 r8:c15ead88 r7:00000000 r6:c6c45dc8 r5:c0c53f44 [ 57.104241] r4:e7f001f2 [ 57.106809] [] (do_undefinstr) from [] (__und_svc_finish+0x0/0x54) [ 57.114746] Exception stack(0xc6c45dc8 to 0xc6c45e10) [ 57.119828] 5dc0: c15ead90 ef7c05e0 b20142c1 c0c53f30 00000001 c5d7b000 [ 57.128038] 5de0: 00000004 c6c45f60 c15ead88 c1ace940 00000004 c6c45e64 c6c45e68 c6c45e58 [ 57.136240] 5e00: c0c539c4 c0c53f44 a00e0013 ffffffff [ 57.141319] r7:c6c45dfc r6:ffffffff r5:a00e0013 r4:c0c53f48 [ 57.147013] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) [ 57.154612] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 57.162652] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 57.170599] r9:c6c45f60 r8:c51399c0 r7:00000004 r6:b6e28000 r5:c694b7c0 r4:c0c53da4 [ 57.178377] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 57.186237] r9:c07e05e8 r8:c6c45f60 r7:c2815800 r6:b6e28000 r5:c694b7c0 r4:00000000 [ 57.194012] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 57.201176] r10:00000004 r9:00000000 r8:00000000 r7:b6e28000 r6:c6c44000 r5:c694b7c0 [ 57.209024] r4:c694b7c0 [ 57.211591] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 57.218755] r9:c6c44000 r8:c03002e4 r7:00000004 r6:b6f6fe00 r5:00000004 r4:00000004 [ 57.226529] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 57.234117] Exception stack(0xc6c45fa8 to 0xc6c45ff0) [ 57.239196] 5fa0: 00000004 00000004 00000001 b6e28000 00000004 00000000 [ 57.247402] 5fc0: 00000004 00000004 b6f6fe00 00000004 00000001 00000000 00020000 beec6ac4 [ 57.255603] 5fe0: 00000004 beec67f8 b6ed9d8f b6e607e6 # Segmentation fault # [ 56.560671] lkdtm: Performing direct entry BUG # [ 56.565439] ------------[ cut here ]------------ # [ 56.570075] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 56.575325] Internal error: Oops - BUG: 0 [#1] SMP ARM # [ 56.580487] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 56.609777] CPU: 3 PID: 713 Comm: cat Not tainted 5.10.185-cip35 #1 # [ 56.616066] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 56.622628] PC is at lkdtm_BUG+0x14/0x18 # [ 56.626577] LR is at lkdtm_do_action+0x2c/0x4c # [ 56.631045] pc : [] lr : [] psr: a00e0013 # [ 56.637332] sp : c6c45e58 ip : c6c45e68 fp : c6c45e64 # [ 56.642577] r10: 00000004 r9 : c1ace940 r8 : c15ead88 # [ 56.647821] r7 : c6c45f60 r6 : 00000004 r5 : c5d7b000 r4 : 00000001 # [ 56.654371] r3 : c0c53f30 r2 : b20142c1 r1 : ef7c05e0 r0 : c15ead90 # [ 56.660924] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 56.668082] Control: 10c5387d Table: 1475004a DAC: 00000051 # [ 56.673851] Process cat (pid: 713, stack limit = 0xa9823a0b) # [ 56.679535] Stack: (0xc6c45e58 to 0xc6c46000) # [ 56.683918] 5e40: c6c45e74 c6c45e68 # [ 56.692126] 5e60: c0c539c4 c0c53f3c c6c45e9c c6c45e78 c0c53ec4 c0c539a4 c0c53da4 c694b7c0 # [ 56.700334] 5e80: b6e28000 00000004 c51399c0 c6c45f60 c6c45ec4 c6c45ea0 c07e064c c0c53db0 # [ 56.708543] 5ea0: 00000000 c694b7c0 b6e28000 c2815800 c6c45f60 c07e05e8 c6c45f5c c6c45ec8 # [ 56.716751] 5ec0: c059acf8 c07e05f4 00000001 00000000 c059b2a4 c139c8e0 c059b2a4 c6c44000 # [ 56.724959] 5ee0: b6e28000 00020000 00000004 00000004 0001fffc c6c45ee0 00000001 b6e27000 # [ 56.733165] 5f00: c59c7b80 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 56.741372] 5f20: 00000000 00000000 c139c8e0 b20142c1 c205e380 c694b7c0 c694b7c0 c6c44000 # [ 56.749579] 5f40: b6e28000 00000000 00000000 00000004 c6c45f94 c6c45f60 c059b2a4 c059abf8 # [ 56.757785] 5f60: 00000000 00000000 c6c45fac b20142c1 00000004 00000004 b6f6fe00 00000004 # [ 56.765990] 5f80: c03002e4 c6c44000 c6c45fa4 c6c45f98 c059b334 c059b23c 00000000 c6c45fa8 # [ 56.774197] 5fa0: c03000c0 c059b328 00000004 00000004 00000001 b6e28000 00000004 00000000 # [ 56.782404] 5fc0: 00000004 00000004 b6f6fe00 00000004 00000001 00000000 00020000 beec6ac4 # [ 56.790611] 5fe0: 00000004 beec67f8 b6ed9d8f b6e607e6 800e0030 00000001 00000000 00000000 # [ 56.798804] Backtrace: # [ 56.801298] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) # [ 56.808902] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 56.816946] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 56.824897] r9:c6c45f60 r8:c51399c0 r7:00000004 r6:b6e28000 r5:c694b7c0 r4:c0c53da4 # [ 56.832683] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 56.840544] r9:c07e05e8 r8:c6c45f60 r7:c2815800 r6:b6e28000 r5:c694b7c0 r4:00000000 # [ 56.848320] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 56.855485] r10:00000004 r9:00000000 r8:00000000 r7:b6e28000 r6:c6c44000 r5:c694b7c0 # [ 56.863334] r4:c694b7c0 # [ 56.865902] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 56.873067] r9:c6c44000 r8:c03002e4 r7:00000004 r6:b6f6fe00 r5:00000004 r4:00000004 # [ 56.880846] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 56.888437] Exception stack(0xc6c45fa8 to 0xc6c45ff0) # [ 56.893516] 5fa0: 00000004 00000004 00000001 b6e28000 00000004 00000000 # [ 56.901722] 5fc0: 00000004 00000004 b6f6fe00 00000004 00000001 00000000 00020000 beec6ac4 # [ 56.909923] 5fe0: 00000004 beec67f8 b6ed9d8f b6e607e6 # [ 56.915008] Code: e92dd800 e24cb004 [ 57.718763] lkdtm: Performing direct entry WARNING e52de004 e8bd4000 (e7f001f2) # [ 57.725800] ------------[ cut here ]------------ [ 56.921134] ---[ end trace 41c[ 57.733374] WARNING: CPU: 2 PID: 784 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x48/0x4c acc2ec7df9402 ]--- # [ 56.9257[ 57.744702] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi etnaviv imxdrm gpu_sched imx_ipu_v3 78] BUG: sleeping function called[ 57.776421] CPU: 2 PID: 784 Comm: cat Tainted: G D W 5.10.185-cip35 #1 from invalid context at include/[ 57.786820] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) linux/percpu-rwsem.h:49 # [ 56[ 57.796209] Backtrace: .934674] in_atomic(): 0, irqs_dis[ 57.801534] [] (dump_backtrace) from [] (show_stack+0x20/0x24) abled(): 128, non_block: 0, pid: [ 57.811957] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 713, name: cat # [ 56.942348] [ 57.820481] [] (show_stack) from [] (dump_stack+0xe0/0x100) INFO: lockdep is turned off. # [[ 57.830655] [] (dump_stack) from [] (__warn+0x98/0x14c) 56.946288] irq event stamp: 16[ 57.840473] r9:00000009 r8:c0c53f90 r7:00000053 r6:00000009 r5:c0c53f90 r4:c1aceffc 32 # [ 56.949645] hardirqs las[ 57.851079] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) t enabled at (1631): [[ 57.861420] r7:00000053 r6:c1aceffc r5:00000000 r4:c47f8000 ] console_unlock+0x4b0/0x6c0 # [[ 57.869947] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING+0x48/0x4c) 56.957505] hardirqs last disab[ 57.880896] r9:c1ace944 r8:c15ead88 r7:c47f9f60 r6:00000008 r5:c4587000 r4:00000002 led at (1632): [] __und[ 57.891502] [] (lkdtm_WARNING) from [] (lkdtm_do_action+0x2c/0x4c) _svc+0x60/0x6c # [ 56.964756] [ 57.902280] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) softirqs last enabled at (1250):[ 57.913151] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [] __do_softirq+0x36c/[ 57.923923] r9:c47f9f60 r8:c51399c0 r7:00000008 r6:b6e4a000 r5:c5cd6140 r4:c0c53da4 0x5a0 # [ 56.972442] softirqs [ 57.934534] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) last disabled at (1241): [] __irq_exit_rcu+0x178/0x1d0 [ 57.955825] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 56.980299] CPU: 3 PID: 713 [ 57.965821] r10:00000004 r9:00000000 r8:00000000 r7:b6e4a000 r6:c47f8000 r5:c5cd6140 Comm: cat Tainted: G D [ 57.976509] r4:c5cd6140 5.10.185-cip35 #1 # [ 56.[ 57.981911] [] (ksys_write) from [] (sys_write+0x18/0x1c) 987975] Hardware name: Freescale [ 57.991907] r9:c47f8000 r8:c03002e4 r7:00000004 r6:b6f91e00 r5:00000008 r4:00000008 i.MX6 Quad/DualLite (Device Tree)[ 58.002516] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 56.994520] Backtrace: #[ 58.012942] Exception stack(0xc47f9fa8 to 0xc47f9ff0) [ 56.997018] [] (dum[ 58.020859] 9fa0: 00000008 00000008 00000001 b6e4a000 00000008 00000000 p_backtrace) from [] (s[ 58.031901] 9fc0: 00000008 00000008 b6f91e00 00000004 00000001 00000000 00020000 bea67ac4 how_stack+0x20/0x24) # [ 57.00[ 58.042937] 9fe0: 00000004 bea677f8 b6efbd8f b6e827e6 4615] r7:ffffffff r6:600e0093 r5[ 58.050951] irq event stamp: 0 :00000000 r4:c1f0fcb8 # [ 57.0[ 58.056775] hardirqs last enabled at (0): [<00000000>] 0x0 10314] [] (show_stack) [ 58.065241] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 from [] (dump_stack+0xe[ 58.075583] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 0/0x100) # [ 57.017673] [] 0x0 0d10>] (dump_stack) from [] (___might_sleep+0x188/0x2e0) # [ 57.025448] r9:600e0093 r8:0000000b r7:c035c4c4 r6:00000031 r5:c19cae0c r4:c6c44000 # [ 57.033223] [] (___might_sleep) from [] (__might_sleep+0x70/0xb0) # [ 57.041076] r6:00000000 r5:00000031 r4:c19cae0c # [ 57.045740] [] (__might_sleep) from [] (exit_signals+0x4c/0x420) # [ 57.053507] r6:00000001 r5:c6c44000 r4:c5a1c380 # [ 57.058171] [] (exit_signals) from [] (do_exit+0x100/0xafc) # [ 57.065511] r8:0000000b r7:c1e0f84c r6:ffffe000 r5:00000000 r4:c5a1c380 # [ 57.072250] [] (do_exit) from [] (make_task_dead+0x68/0x74) # [ 57.079578] r7:c1e0f84c # [ 57.082148] [] (make_task_dead) from [] (die+0x370/0x37c) # [ 57.089314] [] (die) from [] (do_undefinstr+0x170/0x240) # [ 57.096393] r10:00000004 r9:c6c44000 r8:c15ead88 r7:00000000 r6:c6c45dc8 r5:c0c53f44 # [ 57.104241] r4:e7f001f2 # [ 57.106809] [] (do_undefinstr) from [] (__und_svc_finish+0x0/0x54) # [ 57.114746] Exception stack(0xc6c45dc8 to 0xc6c45e10) # [ 57.119828] 5dc0: c15ead90 ef7c05e0 b20142c1 c0c53f30 00000001 c5d7b000 # [ 57.128038] 5de0: 00000004 c6c45f60 c15ead88 c1ace940 00000004 c6c45e64 c6c45e68 c6c45e58 # [ 57.136240] 5e00: c0c539c4 c0c53f44 a00e0013 ffffffff # [ 57.141319] r7:c6c45dfc r6:ffffffff r5:a00e0013 r4:c0c53f48 # [ 57.147013] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) # [ 57.154612] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 57.162652] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 57.170599] r9:c6c45f60 r8:c51399c0 r7:00000004 r6:b6e28000 r5:c694b7c0 r4:c0c53da4 # [ 57.178377] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 57.186237] r9:c07e05e8 r8:c6c45f60 r7:c2815800 r6:b6e28000 r5:c694b7c0 r4:00000000 # [ 57.194012] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 57.201176] r10:00000004 r9:00000000 r8:00000000 r7:b6e28000 r6:c6c44000 r5:c694b7c0 # [ 57.209024] r4:c694b7c0 # [ 57.211591] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 57.218755] r9:c6c44000 r8:c03002e4 r7:00000004 r6:b6f6fe00 r5:00000004 r4:00000004 # [ 57.226529] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 57.234117] Exception stack(0xc6c45fa8 to 0xc6c45ff0) # [ 57.239196] 5fa0: 00000004 00000004 00000001 b6e28000 00000004 00000000 # [ 57.247402] 5fc0: 00000004 00000004 b6f6fe00 00000004 00000001 00000000 00020000 beec6ac4 # [ 57.255603] 5fe0: 00000004 beec67f8 b6ed9d8f b6e607e6 # BUG: saw 'kernel BUG at': ok ok 2 selftests: lkdtm: BUG.sh # selftests: lkdtm: WARNING.sh # [ 57.718763] lkdtm: Performing direct entry WARNING # [ 57.725800] ------------[ cut here ]------------ # [ 57.733374] WARNING: CPU: 2 PID: 784 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x48/0x4c # [ 57.744702] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 57.776421] CPU: 2 PID: 784 Comm: cat Tainted: G D W 5.10.185-cip35 #1 # [ 57.786820] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 57.796209] Backtrace[ 58.414618] lkdtm: Performing direct entry WARNING_MESSAGE : # [ 57.801534] [][ 58.422601] ------------[ cut here ]------------ (dump_backtrace) from [] (show_stack+0x20/0x24) # [ [ 58.441966] Warning message trigger count: 2 57.811957] r7:ffffffff r6:600e00[ 58.448973] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi etnaviv imxdrm gpu_sched imx_ipu_v3 13 r5:00000000 r4:c1f0fcb8 # [ [ 58.480683] CPU: 2 PID: 819 Comm: cat Tainted: G D W 5.10.185-cip35 #1 57.820481] [] (show_st[ 58.491150] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) ack) from [] (dump_stac[ 58.500540] Backtrace: k+0xe0/0x100) # [ 57.830655] [[ 58.505865] [] (dump_backtrace) from [] (show_stack+0x20/0x24) ] (dump_stack) from [] (__warn+0x98/0x14c) # [ 58.524813] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 57.840473] r9:00000009 r8:c0[ 58.534986] [] (dump_stack) from [] (__warn+0x98/0x14c) c53f90 r7:00000053 r6:00000009 r5[ 58.544803] r9:00000009 r8:c0c53fe0 r7:00000058 r6:00000009 r5:c0c53fe0 r4:c1aceffc :c0c53f90 r4:c1aceffc # [ 57.8[ 58.555411] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) 51079] [] (__warn) from[ 58.565751] r7:00000058 r6:c1aceffc r5:c1acf018 r4:c5fe0000 [] (warn_slowpath_fmt+[ 58.574276] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING_MESSAGE+0x4c/0x54) 0x8c/0xa8) # [ 57.861420] r7:[ 58.585921] r9:c1ace94c r8:c15ead88 r7:c5fe1f60 r6:00000010 r5:c4587000 r4:00000003 00000053 r6:c1aceffc r5:00000000 [ 58.596526] [] (lkdtm_WARNING_MESSAGE) from [] (lkdtm_do_action+0x2c/0x4c) r4:c47f8000 # [ 57.869947] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) 137ac58>] (warn_slowpath_fmt) fro[ 58.618868] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) m [] (lkdtm_WARNING+0x4[ 58.629644] r9:c5fe1f60 r8:c51399c0 r7:00000010 r6:b6dc1000 r5:c5cd7b80 r4:c0c53da4 8/0x4c) # [ 57.880896] r9:c1a[ 58.640254] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) ce944 r8:c15ead88 r7:c47f9f60 r6:[ 58.650939] r9:c07e05e8 r8:c5fe1f60 r7:c2815800 r6:b6dc1000 r5:c5cd7b80 r4:00000000 00000008 r5:c4587000 r4:00000002 [ 58.661545] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 57.891502] [] (l[ 58.671540] r10:00000004 r9:00000000 r8:00000000 r7:b6dc1000 r6:c5fe0000 r5:c5cd7b80 kdtm_WARNING) from [] ([ 58.682227] r4:c5cd7b80 lkdtm_do_action+0x2c/0x4c) # [ [ 58.687633] [] (ksys_write) from [] (sys_write+0x18/0x1c) 57.902280] [] (lkdtm_d[ 58.697630] r9:c5fe0000 r8:c03002e4 r7:00000004 r6:b6f08e00 r5:00000010 r4:00000010 o_action) from [] (dire[ 58.708241] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) ct_entry+0x120/0x18c) # [ 57.9[ 58.718665] Exception stack(0xc5fe1fa8 to 0xc5fe1ff0) 13151] [] (direct_entry[ 58.726584] 1fa0: 00000010 00000010 00000001 b6dc1000 00000010 00000000 ) from [] (full_proxy_w[ 58.737624] 1fc0: 00000010 00000010 b6f08e00 00000004 00000001 00000000 00020000 be850ac4 rite+0x64/0x94) # [ 57.923923][ 58.748657] 1fe0: 00000004 be8507f8 b6e72d8f b6df97e6 r9:c47f9f60 r8:c51399c0 r7:0000[ 58.756643] irq event stamp: 0 0008 r6:b6e4a000 r5:c5cd6140 r4:c[ 58.762537] hardirqs last enabled at (0): [<00000000>] 0x0 0c53da4 # [ 57.934534] [] copy_process+0x5f8/0x1944 5e8>] (full_proxy_write) from [] copy_process+0x5f8/0x1944 059acf8>] (vfs_write+0x10c/0x53c)[ 58.791662] softirqs last disabled at (0): [<00000000>] 0x0 # [ 57.945219] r9:c07e05e8 r[ 58.800096] ---[ end trace 41cacc2ec7df9404 ]--- 8:c47f9f60 r7:c2815800 r6:b6e4a000 r5:c5cd6140 r4:00000000 # [ 57.955825] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 57.965821] r10:00000004 r9:00000000 r8:00000000 r7:b6e4a000 r6:c47f8000 r5:c5cd6140 # [ 57.976509] r4:c5cd6140 # [ 57.981911] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 57.991907] r9:c47f8000 r8:c03002e4 r7:00000004 r6:b6f91e00 r5:00000008 r4:00000008 # [ 58.002516] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 58.012942] Exception stack(0xc47f9fa8 to 0xc47f9ff0) # [ 58.020859] 9fa0: 00000008 00000008 00000001 b6e4a000 00000008 00000000 # [ 58.031901] 9fc0: 00000008 00000008 b6f91e00 00000004 00000001 00000000 00020000 bea67ac4 # [ 58.042937] 9fe0: 00000004 bea677f8 b6efbd8f b6e827e6 # [ 58.050951] irq event stamp: 0 # [ 58.056775] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 58.065241] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 # [ 58.075583] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 # [ 58.085927] softirqs last disabled at (0): [<00000000>] 0x0 # [ 58.094366] ---[ end trace 41cacc2ec7df9403 ]--- # WARNING: saw 'WARNING:': ok ok 3 selftests: lkdtm: WARNING.sh # selftests: lkdtm: WARNING_MESSAGE.sh # [ 58.414618] lkdtm: Performing direct entry WARNING_MESSAGE # [ 58.422601] ------------[ cut here ]------------ # [ 58.429895] WARNING: CPU: 2 PID: 819 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x4c/0x54 # [ 58.441966] Warning message trigger count: 2 # [ 58.448973] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 58.480683] CPU: 2 PID: 819 Comm: cat Tainted: G D W 5.10.185-cip35 #1 # [ 58.491150] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 58.500540] Backtrace: # [ 58.505865] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 58.516286] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 # [ 58.524813] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 58.534986] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 58.544803] r9:00000009 r8:c0c53fe0 r7:00000058 r6:00000009 r5:c0c53fe0 r4:c1aceffc # [ 58.555411] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 58.565751] r7:00000058 r6:c1aceffc r5:c1acf018 r4:c5fe0000 # [ 58.574276] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING_MESSAGE+0x4c/0x54) # [ 58.585921] r9:c1ace94c r8:c15ead88 r7:c5fe1f60 r6:00000010 r5:c4587000 r4:00000003 # [ 58.596526] [] (lkdtm_WARNING_MESSAGE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 58.608001] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 58.618868] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 58.629644] r9:c5fe1f60 r8:c51399c0 r7:00000010 r6:b6dc1000 r5:c5cd7b80 r4:c0c53da4 # [ 58.640254] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 58.650939] r9:c07e05e8 r8:c5fe1f60 r7:c2815800 r6:b6dc1000 r5:c5cd7b80 r4:00000000 # [ 58.661545] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 58.671540] r10:00000004 r9:00000000 r8:00000000 r7:b6d[ 59.120890] lkdtm: Performing direct entry EXCEPTION c1000 r6:c5fe0000 r5:c5cd7b80 #[ 59.127541] 8<--- cut here --- [ 58.682227] r4:c5cd7b80 # [ [ 59.133428] Unable to handle kernel NULL pointer dereference at virtual address 00000000 58.687633] [] (ksys_w[ 59.144535] pgd = bee05202 rite) from [] (sys_writ[ 59.149979] [00000000] *pgd=00000000 e+0x18/0x1c) # [ 58.697630] r[ 59.156357] Internal error: Oops: 805 [#2] SMP ARM 9:c5fe0000 r8:c03002e4 r7:0000000[ 59.163990] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi etnaviv imxdrm gpu_sched imx_ipu_v3 4 r6:b6f08e00 r5:0000001[0 r 459.195695] CPU: 1 PID: 851 Comm: cat Tainted: G D W 5.10.185-cip35 #1 00000010 [# [ 5 9 .25085.7770] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 8241] [] (sys_[w r i 5t.214044] PC is at lkdtm_EXCEPTION+0x18/0x20 e) from [<[c 0 3 05090.c202>0]8 25] LR is at lkdtm_do_action+0x2c/0x4c ret_fast_sy[s c a l5l9+.02x207/000] pc : [] lr : [] psr: a00e0013 x28) # [[ 5589..72138561767] sp : c4709e58 ip : c4709e68 fp : c4709e64 ] Excep[t i o n5 9s.t2a4c2k1(306x r10: 0000000a r9 : c1ace95c r8 : c15ead88 c5fe1fa[8 t 5o9 .02x4c950f0e91] r7 : c4709f60 r6 : 0000000a r5 : c5f57000 r4 : 00000004 f0) # [ 5[8 . 7 25695.8245]7 187] r3 : 00000000 r2 : 491faa76 r1 : ef7965e0 r0 : c15eada8 fa0: [ 5 9 . 2 6 5622] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none 0000010 [0 0 0 05090.1207 4070501] Control: 10c5387d Table: 16c1004a DAC: 00000051 0001 b6dc100[0 0 05090.208021204] Process cat (pid: 851, stack limit = 0x81edd380) 00000000 [ # [5 9 . 25889.7713] Stack: (0xc4709e58 to 0xc470a000) 7624] 1fc0: 000[0 0 0 1509 .02090893] 9e40: c4709e74 c4709e68 00010 b6f08e00[ 0 0 05090.030046066] 9e60: c0c539c4 c0c53ff4 c4709e9c c4709e78 c0c53ec4 c0c539a4 c0c53da4 c5d79680 00000001 00000000[ 0 0 0529.03016238] 9e80: b6ea7000 0000000a c51399c0 c4709f60 c4709ec4 c4709ea0 c07e064c c0c53db0 0 be850ac4 # [ [ 5 85.97.43826495] 9ea0: 00000000 c5d79680 b6ea7000 c2815800 c4709f60 c07e05e8 c4709f5c c4709ec8 57] 1fe0: 0000[0 0 0 45 9b.e38356753] 9ec0: c059acf8 c07e05f4 00000001 00000000 c059b2a4 c139c8e0 c059b2a4 c4708000 7f8 b6e72d8f b[6 d f 9579e.63 4 6925] 9ee0: b6ea7000 00020000 00000004 0000000a 0001fff6 c4709ee0 00000001 b6ea6000 [ 58.75664[3 ] i5r9q. 35e7v096] 9f00: c5f688c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 nt stamp: 0 # [[ 5598..3766182] 9f20: 00000000 00000000 c139c8e0 491faa76 c205e380 c5d79680 c5d79680 c4708000 2537] hardirqs [l a s t5 9 .e3n7a352] 9f40: b6ea7000 00000000 00000000 00000004 c4709f94 c4709f60 c059b2a4 c059abf8 bled at (0): [<[0 0 0 05090.0308>525] 9f60: 00000000 00000000 c4709fac 491faa76 0000000a 0000000a b6feee00 00000004 ] 0x0 # [ 5[8 . 7 75099.7359]7696] 9f80: c03002e4 c4708000 c4709fa4 c4709f98 c059b334 c059b23c 00000000 c4709fa8 hardirqs las[t d i5s9a.b4l0e7d866] 9fa0: c03000c0 c059b328 0000000a 0000000a 00000001 b6ea7000 0000000a 00000000 at (0): [5]9 .c4o1p953] 9fc0: 0000000a 0000000a b6feee00 00000004 00000001 00000000 00020000 bec68ac4 y_process+0x5f8/[0 x 1 95494. 4 28125] 9fe0: 00000004 bec687f8 b6f58d8f b6edf7e6 800e0030 00000001 00000000 00000000 [ 58.781319[] s o5f9t.i4r3q8376] Backtrace: last enabled at (0): [[ < c 053.442828] [] (lkdtm_EXCEPTION) from [] (lkdtm_do_action+0x2c/0x4c) 53d90>] copy_proc[e s s +509x.54f3257] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) 8/0x1944 # [ 58.791662] s[o f 59.463349] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) irqs last disa[b l e d5 9a.t4 7(3859] r9:c4709f60 r8:c51399c0 r7:0000000a r6:b6ea7000 r5:c5d79680 r4:c0c53da4 ): [<00000000>] 0x0 # [ [5 8 .59.483604] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) 800096] ---[ e[n d t5r9a.c4e9 3943] r9:c07e05e8 r8:c4709f60 r7:c2815800 r6:b6ea7000 r5:c5d79680 r4:00000000 1cacc2ec7df9404[ ] - -5-9 . 5#0 682] [] (vfs_write) from [] (ksys_write+0x74/0xec) WARNING_MESSA[G E : 5s9a.w5 1'2m11] r10:00000004 r9:00000000 r8:00000000 r7:b6ea7000 r6:c4708000 r5:c5d79680 essage [t r i g5g9e.r5'2:2 5o4k5 r4:c5d79680 ok 4 selftests: lkd[t m : 5W9A.526734] [] (ksys_write) from [] (sys_write+0x18/0x1c) NING_MESSAGE.s[h #5 9s.e5l3f6121] r9:c4708000 r8:c03002e4 r7:00000004 r6:b6feee00 r5:0000000a r4:0000000a ests: lkdtm: EXCEPTIO[N . s h5 9 545862] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 59.555678] Exception stack(0xc4709fa8 to 0xc4709ff0) [ 59.560739] 9fa0: 0000000a 0000000a 00000001 b6ea7000 0000000a 00000000 [ 59.568924] 9fc0: 0000000a 0000000a b6feee00 00000004 00000001 00000000 00020000 bec68ac4 [ 59.577106] 9fe0: 00000004 bec687f8 b6f58d8f b6edf7e6 [ 59.582167] Code: e24cb004 e52de004 e8bd4000 e3a03000 (e5833000) [ 59.588343] ---[ end trace 41cacc2ec7df9405 ]--- # Segmentation fault # [ 59.120890] lkdtm: Performing direct entry EXCEPTION # [ 59.127541] 8<--- cut here --- # [ 59.133428] Unable to handle kernel NULL pointer dereference at virtual address 00000000 # [ 59.144535] pgd = bee05202 # [ 59.149979] [00000000] *pgd=00000000 # [ 59.156357] Internal error: Oops: 805 [#2] SMP ARM # [ 59.163990] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 59.195695] CPU: 1 PID: 851 Comm: cat Tainted: G D W 5.10.185-cip35 #1 # [ 59.205772] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 59.214044] PC is at lkdtm_EXCEPTION+0x18/0x20 # [ 59.220825] LR is at lkdtm_do_action+0x2c/0x4c # [ 59.227090] pc : [] lr : [] psr: a00e0013 # [ 59.235177] sp : c4709e58 ip : c4709e68 fp : c4709e64 # [ 59.242136] r10: 0000000a r9 : c1ace95c r8 : c15ead88 # [ 59.249009] r7 : c4709f60 r6 : 0000000a r5 : c5f57000 r4 : 00000004 # [ 59.257187] r3 : 00000000 r2 : 491faa76 r1 : ef7965e0 r0 : c15eada8 # [ 59.265622] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 59.274751] Control: 10c5387d Table: 16c1004a DAC: 00000051 # [ 59.282234] Process cat (pid: 851, stack limit = 0x81edd380) # [ 59.289713] Stack: (0xc4709e58 to 0xc470a000) # [ 59.295893] 9e40: c4709e74 c4709e68 # [ 59.306066] 9e60: c0c539c4 c0c53ff4 c4709e9c c4709e78 c0c53ec4 c0c539a4 c0c53da4 c5d79680 # [ 59.316238] 9e80: b6ea7000 0000000a c51399c0 c4709f60 c4709ec4 c4709ea0 c07e064c c0c53db0 # [ 59.326495] 9ea0: 00000000 c5d79680 b6ea7000 c2815800 c4709f60 c07e05e8 c4709f5c c4709ec8 # [ 59.336753] 9ec0: c059acf8 c07e05f4 00000001 00000000 c059b2a4 c139c8e0 c059b2a4 c4708000 # [ 59.346925] 9ee0: b6ea7000 00020000 00000004 0000000a 0001fff6 c4709ee0 00000001 b6ea6000 # [ 59.357096] 9f00: c5f688c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 59.367182] 9f20: 00000000 00000000 c139c8e0 491faa76 c205e380 c5d79680 c5d79680 c4708000 # [ 59.377352] 9f40: b6ea7000 00000000 00000000 00000004 c4709f94 c4709f60 c059b2a4 c059abf8 # [ 59.387525] 9f60: 00000000 00000000 c4709fac 491faa76 0000000a 0000000a b6feee00 00000004 # [ 59.397696] 9f80: c03002e4 c4708000 c4709fa4 c4709f98 c059b334 c059b23c 00000000 c4709fa8 # [ 59.407866] 9fa0: c03000c0 c059b328 0000000a 0000000a 00000001 b6ea7000 0000000a 00000000 # [ 59.417953] 9fc0: 0000000a 0000000a b6feee00 00000004 00000001 00000000 00020000 bec68ac4 # [ 59.428125] 9fe0: 00000004 bec687f8 b6f58d8f b6edf7e6 800e0030 00000001 00000000 00000000 # [ 59.438376] Backtrace: # [ 59.442828] [] (lkdtm_EXCEPTION) from [] (lkdtm_do_action+0x2c/0x4c) # [ 59.453257] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 59.463349] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 59.473859] r9:c4709f60 r8:c51399c0 r7:0000000a r6:b6ea7000 r5:c5d79680 r4:c0c53da4 # [ 59.483604] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 59.493943] r9:c07e05e8 r8:c4709f60 r7:c2815800 r6:b6ea7000 r5:c5d79680 r4:00000000 # [ 59.503682] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 59.512811] r10:00000004 r9:00000000 r8:00000000 r7:b6ea7000 r6:c4708000 r5:c5d79680 # [ 59.522545] r4:c5d79680 # [ 59.526734] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 59.536121] r9:c4708000 r8:c03002e4 r7:00000004 r6:b6feee00 r5:0000000a r4:0000000a # [ 59.545862] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 59.555678] Exception stack(0xc4709fa8 to 0xc4709ff0) # [ 59.560739] 9fa0: 0000000a 0000000a 00000001 b6ea7000 0000000a 00000000 # [ 59.568924] 9fc0: 0000000a 0000000a b6feee00 00000004 00000001 00000000 00020000 bec68ac4 # [ 59.577106] 9fe0: 00000004 bec687f8 b6f58d8f b6edf7e6 # [ 59.582167] Code: e24cb004 e52de004 e8bd4000 e3a03000 (e5833000) # [ 59.588343] ---[ end trace 41cacc2ec7df9405 ]--- # 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 [ 60.765553] lkdtm: Performing direct entry CORRUPT_LIST_ADD [ 60.771417] lkdtm: attempting good list addition [ 60.776076] lkdtm: attempting corrupted list addition [ 60.781179] lkdtm: list_add() corruption not detected! # [ 60.765553] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 60.771417] lkdtm: attempting good list addition # [ 60.776076] lkdtm: attempting corrupted list addition # [ 60.781179] 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 [ 61.102945] lkdtm: Performing direct entry CORRUPT_LIST_DEL [ 61.108622] lkdtm: attempting good list removal [ 61.113168] lkdtm: attempting corrupted list removal [ 61.118249] lkdtm: list_del() corruption not detected! # [ 61.102945] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 61.108622] lkdtm: attempting good list removal # [ 61.113168] lkdtm: attempting corrupted list removal # [ 61.118249] 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 [ 61.440657] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING [ 61.446944] lkdtm: attempting bad read from page below current stack [ 61.453718] lkdtm: FAIL: accessed page before stack! (byte: fb) # [ 61.440657] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 61.446944] lkdtm: attempting bad read from page below current stack # [ 61.453718] lkdtm: FAIL: accessed page before stack! (byte: fb) # 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 [ 61.776238] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING [ 61.782690] lkdtm: attempting bad read from page above current stack [ 61.789107] lkdtm: FAIL: accessed page after stack! (byte: 0) # [ 61.776238] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING # [ 61.782690] lkdtm: attempting bad read from page above current stack # [ 61.789107] 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 [ 62.121102] lkdtm: Performing direct entry UNSET_SMEP [ 62.126180] lkdtm: XFAIL: this test is x86_64-only # [ 62.121102] lkdtm: Performing direct entry UNSET_SMEP # [ 62.126180] 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 [ 62.446654] lkdtm: Performing direct entry DOUBLE_FAULT [ 62.452123] lkdtm: XFAIL: this test is ia32-only # [ 62.446654] lkdtm: Performing direct entry DOUBLE_FAULT # [ 62.452123] 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 [ 62.783744] lkdtm: Performing direct entry CORRUPT_PAC [ 62.789116] lkdtm: XFAIL: this test is arm64-only # [ 62.783744] lkdtm: Performing direct entry CORRUPT_PAC # [ 62.789116] 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 [ 63.099267] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE [ 63.105733] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS # [ 63.099267] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # [ 63.105733] 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 [ 63.814846] lkdtm: Performing direct entry READ_AFTER_FREE [ 63.820485] lkdtm: Value in memory before free: 12345678 [ 63.825840] lkdtm: Attempting bad read from freed memory [ 63.831218] lkdtm: Memory was not poisoned # [ 63.814846] lkdtm: Performing direct entry READ_AFTER_FREE # [ 63.820485] lkdtm: Value in memory before free: 12345678 # [ 63.825840] lkdtm: Attempting bad read from freed memory # [ 63.831218] 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 [ 64.336590] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE [ 64.342825] lkdtm: Value in memory before free: 12345678 [ 64.348216] lkdtm: Attempting to read from freed memory [ 64.353458] lkdtm: Buddy page was not poisoned # [ 64.336590] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE # [ 64.342825] lkdtm: Value in memory before free: 12345678 # [ 64.348216] lkdtm: Attempting to read from freed memory # [ 64.353458] 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 [ 64.684824] lkdtm: Performing direct entry SLAB_FREE_DOUBLE [ 64.690739] lkdtm: Attempting double slab free ... # [ 64.684824] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 64.690739] 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 [ 65.023124] lkdtm: Performing direct entry SLAB_FREE_CROSS [ 65.028715] lkdtm: Attempting cross-cache slab free ... # [ 65.023124] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 65.028715] 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 [ 65.343640] lkdtm: Performing direct entry SLAB_FREE_PAGE [ 65.349285] lkdtm: Attempting non-Slab slab free ... # [ 65.343640] lkdtm: Performing direct entry SLAB_FREE_PAGE # [ 65.349285] 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 [ 66.423277] lkdtm: Performing direct entry EXEC_DATA [ 66.428380] lkdtm: attempting ok execution at c0c54734 [ 66.433538] lkdtm: attempting bad execution at c26f8924 [ 66.438920] 8<--- cut here --- [ 66.442008] Unable to handle kernel paging request at virtual address c26f8924 [ 66.449248] pgd = a2e4312d [ 66.451961] [c26f8924] *pgd=1261141e(bad) [ 66.455989] Internal error: Oops: 8000000d [#3] SMP ARM [ 66.461220] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi etnaviv imxdrm gpu_sched imx_ipu_v3 [ 66.490251] CPU: 0 PID: 1694 Comm: cat Tainted: G D W 5.10.185-cip35 #1 [ 66.498000] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 66.504539] PC is at data_area+0x0/0x40 [ 66.508388] LR is at execute_location+0xa4/0xb4 [ 66.512923] pc : [] lr : [] psr: 600e0013 [ 66.519194] sp : c5b03e38 ip : c5b03d40 fp : c5b03e54 [ 66.524422] r10: 0000000a r9 : c1aceb40 r8 : c15ead88 [ 66.529650] r7 : c5b03f60 r6 : 00000001 r5 : c26f8924 r4 : c0c54734 [ 66.536182] r3 : 6f7f9d54 r2 : 6f7f9d54 r1 : ef7815e0 r0 : 0000002b [ 66.542716] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 66.549856] Control: 10c5387d Table: 15ce404a DAC: 00000051 [ 66.555607] Process cat (pid: 1694, stack limit = 0xb23697a1) [ 66.561358] Stack: (0xc5b03e38 to 0xc5b04000) [ 66.565722] 3e20: 0000001f c6f2e000 [ 66.573907] 3e40: 0000000a c5b03f60 c5b03e64 c5b03e58 c1387594 c1387390 c5b03e74 c5b03e68 [ 66.582093] 3e60: c0c539c4 c138757c c5b03e9c c5b03e78 c0c53ec4 c0c539a4 c0c53da4 c5a9c8c0 [ 66.590278] 3e80: b6dfc000 0000000a c51399c0 c5b03f60 c5b03ec4 c5b03ea0 c07e064c c0c53db0 [ 66.598463] 3ea0: 00000000 c5a9c8c0 b6dfc000 c2815800 c5b03f60 c07e05e8 c5b03f5c c5b03ec8 [ 66.606649] 3ec0: c059acf8 c07e05f4 00000001 00000000 c059b2a4 c42b10e4 c059b2a4 c5b02000 [ 66.614833] 3ee0: b6dfc000 00020000 00000004 0000000a 0001fff6 c5b03ee0 00000001 00000805 [ 66.623017] 3f00: c5f68280 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 66.631201] 3f20: 00000000 00000000 c5b02000 6f7f9d54 b6dfb000 c5a9c8c0 c5a9c8c0 c5b02000 [ 66.639385] 3f40: b6dfc000 00000000 00000000 00000004 c5b03f94 c5b03f60 c059b2a4 c059abf8 [ 66.647569] 3f60: 00000000 00000000 c5b03fac 6f7f9d54 0000000a 0000000a b6f43e00 00000004 [ 66.655753] 3f80: c03002e4 c5b02000 c5b03fa4 c5b03f98 c059b334 c059b23c 00000000 c5b03fa8 [ 66.663938] 3fa0: c03000c0 c059b328 0000000a 0000000a 00000001 b6dfc000 0000000a 00000000 [ 66.672124] 3fc0: 0000000a 0000000a b6f43e00 00000004 00000001 00000000 00020000 beaeaac4 [ 66.680308] 3fe0: 00000004 beaea7f8 b6eadd8f b6e347e6 800e0030 00000001 00000000 00000000 [ 66.688487] Backtrace: [ 66.690953] [] (execute_location) from [] (lkdtm_EXEC_DATA+0x24/0x28) [ 66.699139] r7:c5b03f60 r6:0000000a r5:c6f2e000 r4:0000001f [ 66.704810] [] (lkdtm_EXEC_DATA) from [] (lkdtm_do_action+0x2c/0x4c) [ 66.712910] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 66.720928] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 66.728853] r9:c5b03f60 r8:c51399c0 r7:0000000a r6:b6dfc000 r5:c5a9c8c0 r4:c0c53da4 [ 66.736611] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 66.744447] r9:c07e05e8 r8:c5b03f60 r7:c2815800 r6:b6dfc000 r5:c5a9c8c0 r4:00000000 [ 66.752200] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 66.759344] r10:00000004 r9:00000000 r8:00000000 r7:b6dfc000 r6:c5b02000 r5:c5a9c8c0 [ 66.767178] r4:c5a9c8c0 [ 66.769723] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 66.776867] r9:c5b02000 r8:c03002e4 r7:00000004 r6:b6f43e00 r5:0000000a r4:0000000a [ 66.784620] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 66.792194] Exception stack(0xc5b03fa8 to 0xc5b03ff0) [ 66.797252] 3fa0: 0000000a 0000000a 00000001 b6dfc000 0000000a 00000000 [ 66.805436] 3fc0: 0000000a 0000000a b6f43e00 00000004 00000001 00000000 00020000 beaeaac4 [ 66.813618] 3fe0: 00000004 beaea7f8 b6eadd8f b6e347e6 [ 66.818678] Code: 00000000 c2afae40 c2afaf00 c433e000 (e1a0c00d) [ 66.824781] ---[ end trace 41cacc2ec7df9406 ]--- # Segmentation fault # [ 66.423277] lkdtm: Performing direct entry EXEC_DATA # [ 66.428380] lkdtm: attempting ok execution at c0c54734 # [ 66.433538] lkdtm: attempting bad execution at c26f8924 # [ 66.438920] 8<--- cut here --- # [ 66.442008] Unable to handle kernel paging request at virtual address c26f8924 # [ 66.449248] pgd = a2e4312d # [ 66.451961] [c26f8924] *pgd=1261141e(bad) # [ 66.455989] Internal error: Oops: 8000000d [#3] SMP ARM # [ 66.461220] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 66.490251] CPU: 0 PID: 1694 Comm: cat Tainted: G D W 5.10.185-cip35 #1 # [ 66.498000] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 66.504539] PC is at data_area+0x0/0x40 # [ 66.508388] LR is at execute_location+0xa4/0xb4 # [ 66.512923] pc : [] lr : [] psr: 600e0013 # [ 66.519194] sp : c5b03e38 ip : c5b03d40 fp : c5b03e54 # [ 66.524422] r10: 0000000a r9 : c1aceb40 r8 : c15ead88 # [ 66.529650] r7 : c5b03f60 r6 : 00000001 r5 : c26f8924 r4 : c0c54734 # [ 66.536182] r3 : 6f7f9d54 r2 : 6f7f9d54 r1 : ef7815e0 r0 : 0000002b # [ 66.542716] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 66.549856] Control: 10c5387d Table: 15ce404a DAC: 00000051 # [ 66.555607] Process cat (pid: 1694, stack limit = 0xb23697a1) # [ 66.561358] Stack: (0xc5b03e38 to 0xc5b04000) # [ 66.565722] 3e20: 0000001f c6f2e000 # [ 66.573907] 3e40: 0000000a c5b03f60 c5b03e64 c5b03e58 c1387594 c1387390 c5b03e74 c5b03e68 # [ 66.582093] 3e60: c0c539c4 c138757c c5b03e9c c5b03e78 c0c53ec4 c0c539a4 c0c53da4 c5a9c8c0 # [ 66.590278] 3e80: b6dfc000 0000000a c51399c0 c5b03f60 c5b03ec4 c5b03ea0 c07e064c c0c53db0 # [ 66.598463] 3ea0: 00000000 c5a9c8c0 b6dfc000 c2815800 c5b03f60 c07e05e8 c5b03f5c c5b03ec8 # [ 66.606649] 3ec0: c059acf8 c07e05f4 00000001 00000000 c059b2a4 c42b10e4 c059b2a4 c5b02000 # [ 66.614833] 3ee0: b6dfc000 00020000 00000004 0000000a 0001fff6 c5b03ee0 00000001 00000805 # [ 66.623017] 3f00: c5f68280 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 66.631201] 3f20: 00000000 00000000 c5b02000 6f7f9d54 b6dfb000 c5a9c8c0 c5a9c8c0 c5b02000 # [ 66.639385] 3f40: b6dfc000 00000000 00000000 00000004 c5b03f94 c5b03f60 c059b2a4 c059abf8 # [ 66.647569] 3f60: 00000000 00000000 c5b03fac 6f7f9d54 0000000a 0000000a b6f43e00 00000004 # [ 66.655753] 3f80: c03002e4 c5b02000 c5b03fa4 c5b03f98 c059b334 c059b23c 00000000 c5b03fa8 # [ 66.663938] 3fa0: c03000c0 c059b328 0000000a 0000000a 00000001 b6dfc000 0000000a 00000000 # [ 66.672124] 3fc0: 0000000a 0000000a b6f43e00 00000004 00000001 00000000 00020000 beaeaac4 # [ 66.680308] 3fe0: 00000004 beaea7f8 b6eadd8f b6e347e6 800e0030 00000001 00000000 00000000 # [ 66.688487] Backtrace: # [ 66.690953] [] (execute_location) from [] (lkdtm_EXEC_DATA+0x24/0x28) # [ 66.699139] r7:c5b03f60 r6:0000000a r5:c6f2e000 r4:0000001f # [ 66.704810] [] (lkdtm_EXEC_DATA) from [] (lkdtm_do_action+0x2c/0x4c) # [ 66.712910] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 66.720928] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 66.728853] r9:c5b03f60 r8:c51399c0 r7:0000000a r6:b6dfc000 r5:c5a9c8c0 r4:c0c53da4 # [ 66.736611] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 66.744447] r9:c07e05e8 r8:c5b03f60 r7:c2815800 r6:b6dfc000 r5:c5a9c8c0 r4:00000000 # [ 66.752200] [[ 67.270709] lkdtm: Performing direct entry EXEC_STACK ] (vfs_[w r i t6e7.)2 76326] lkdtm: attempting ok execution at c0c54734 rom [] (ksys_write+0x74[ 67.283663] lkdtm: attempting bad execution at c5b03e0c /0xec) # [ 66.759344] r10:000[ 67.291681] 8<--- cut here --- 00004 r9:00000000[ r 8 :6070.0207556] Unable to handle kernel paging request at virtual address c5b03e0c 0000 r7:b6[d f c 06070. 3r066:8c58] pgd = 2eb4f06e b02000 r5:c5a9c8c0 # [ 6[6 . 767.311387] [c5b03e0c] *pgd=15a1141e(bad) 67178] r4:c5a9c8c0[ # 6[7 . 17919] Internal error: Oops: 8000000d [#4] SMP ARM 66.769723] [] (ksys_wr[ 67.325308] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi etnaviv imxdrm gpu_sched imx_ipu_v3 ite) from [ ]6 7(.s357013] CPU: 2 PID: 1770 Comm: cat Tainted: G D W 5.10.185-cip35 #1 s_write+0x18/[0 x 1 c6)7 . 3#6 6[19] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 66.776867] r9[: c 5 b6072.0305358] PC is at 0xc5b03e0c 0 r8:c03002e4 r7:00000004 [r 6 : 67.380586] LR is at execute_location+0xa4/0xb4 [ 67.387624] pc : [] lr : [] psr: 600e0013 6f43e00 r5:[0 0 0 06070.03a9 3r845] sp : c5b03de8 ip : c5b03cf0 fp : c5b03e04 :0000000a[ # 6[7 . 4 06069.47] r10: 0000000b r9 : c1aceb4c r8 : c15ead88 84620] [0]7 9(00] r7 : c5b03f60 r6 : 00000001 r5 : c5b03e0c r4 : c0c54734 ys_write) [ f r o6m7 .[4<1c602340] r3 : 05315554 r2 : 05315554 r1 : ef7ab5e0 r0 : 0000002b 00c0>] (ret_fas[t _ s y6s7c.4a2l4511] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none +0x0/0x28)[ # 6[7 . 4 36366.38] Control: 10c5387d Table: 16d3804a DAC: 00000051 92194] Excep[t i o n6 7s.t4a4c1k205] Process cat (pid: 1770, stack limit = 0xb23697a1) 0xc5b03fa8 t[o 0 x67c.54b40838f9] Stack: (0xc5b03de8 to 0xc5b04000) f0) # [ 66.797[2 5 2 ]6 73.f4a5042] 3de0: c5b02000 c68a6000 0000000b c5b03f60 c5b03e64 c5b03e08 0: [ 6 7 . 4 605097] 3e00: c13875d0 c1387390 c5b03e6c e1a0c00d e92dd800 e24cb004 e52de004 e8bd4000 00000a 0000000a 00[0 0 0 06071. 475384] 3e20: e89da800 e1a0c00d e92dd830 e24cb004 e52de004 e8bd4000 e30f3374 e34c31b7 6dfc000 0000000a[ 0 06070.04080728] 3e40: e3a02040 e3a01d33 e5930018 05315554 0000000b 00000020 c5b03e74 c5b03e68 0 # [ 66.805436[] 3 f6c70.4:5899] 3e60: c0c539c4 c13875a4 c5b03e9c c5b03e78 c0c53ec4 c0c539a4 c0c53da4 c59c6dc0 0000000a 0000000[a b 66f74.35e6156] 3e80: b6e0c000 0000000b c51399c0 c5b03f60 c5b03ec4 c5b03ea0 c07e064c c0c53db0 00 00000004 00[0 0 0 06071. 50106414] 3ea0: 00000000 c59c6dc0 b6e0c000 c2815800 c5b03f60 c07e05e8 c5b03f5c c5b03ec8 00000 00020000 b[e a e a6a7c.45 26587] 3ec0: c059acf8 c07e05f4 00000001 00000000 c059b2a4 c139c8e0 c059b2a4 c5b02000 # [ 66.813618] [3 f e 067:. 5036846] 3ee0: b6e0c000 00020000 00000004 0000000b 0001fff5 c5b03ee0 00000001 b6e0b000 000004 beaea7f8[ b 6 e6a7d.d584f100] 3f00: c5bf77c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 b6e347e6 # [ [ 6 66.78.15856273] 3f20: 00000000 00000000 c139c8e0 05315554 c205e380 c59c6dc0 c59c6dc0 c5b02000 78] Code: 0000[0 0 0 06 7c.25a6f7443] 3f40: b6e0c000 00000000 00000000 00000004 c5b03f94 c5b03f60 c059b2a4 c059abf8 e40 c2afaf[0 0 c6473.35e7070610] 3f60: 00000000 00000000 c5b03fac 05315554 0000000b 0000000b b6f53e00 00000004 (e1a0c00d) #[ [ 6 76.65.88530] 3f80: c03002e4 c5b02000 c5b03fa4 c5b03f98 c059b334 c059b23c 00000000 c5b03fa8 24781] ---[ end[ t r a6c7e. 5491700] 3fa0: c03000c0 c059b328 0000000b 0000000b 00000001 b6e0c000 0000000b 00000000 cacc2ec7df9406 ]-[- - 6#7 .E6X7872] 3fc0: 0000000b 0000000b b6f53e00 00000004 00000001 00000000 00020000 bec25ac4 EC_DATA: missing [' c a l6l7. 6t18130] 3fe0: 00000004 bec257f8 b6ebdd8f b6e447e6 800e0030 00000001 00000000 00000000 ace:': [FAIL] [ n o t6 7o.k6 238380] Backtrace: selftests: lkdtm: EXEC_DATA[. s 67.632834] [] (execute_location) from [] (lkdtm_EXEC_STACK+0x38/0x54) # exit=1 # sel[f t e s6t7s.:6 43694] r7:c5b03f60 r6:0000000b r5:c68a6000 r4:c5b02000 kdtm: EXEC_STACK.sh [ 67.651438] [] (lkdtm_EXEC_STACK) from [] (lkdtm_do_action+0x2c/0x4c) [ 67.661426] r4:00000020 [ 67.663971] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 67.671989] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 67.679917] r9:c5b03f60 r8:c51399c0 r7:0000000b r6:b6e0c000 r5:c59c6dc0 r4:c0c53da4 [ 67.687676] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 67.695513] r9:c07e05e8 r8:c5b03f60 r7:c2815800 r6:b6e0c000 r5:c59c6dc0 r4:00000000 [ 67.703265] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 67.710408] r10:00000004 r9:00000000 r8:00000000 r7:b6e0c000 r6:c5b02000 r5:c59c6dc0 [ 67.718240] r4:c59c6dc0 [ 67.720785] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 67.727927] r9:c5b02000 r8:c03002e4 r7:00000004 r6:b6f53e00 r5:0000000b r4:0000000b [ 67.735682] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 67.743256] Exception stack(0xc5b03fa8 to 0xc5b03ff0) [ 67.748315] 3fa0: 0000000b 0000000b 00000001 b6e0c000 0000000b 00000000 [ 67.756500] 3fc0: 0000000b 0000000b b6f53e00 00000004 00000001 00000000 00020000 bec25ac4 [ 67.764683] 3fe0: 00000004 bec257f8 b6ebdd8f b6e447e6 [ 67.769744] Code: c5b03e08 c13875d0 c1387390 c5b03e6c (e1a0c00d) [ 67.775848] ---[ end trace 41cacc2ec7df9407 ]--- # Segmentation fault # [ 67.270709] lkdtm: Performing direct entry EXEC_STACK # [ 67.276326] lkdtm: attempting ok execution at c0c54734 # [ 67.283663] lkdtm: attempting bad execution at c5b03e0c # [ 67.291681] 8<--- cut here --- # [ 67.297556] Unable to handle kernel paging request at virtual address c5b03e0c # [ 67.306858] pgd = 2eb4f06e # [ 67.311387] [c5b03e0c] *pgd=15a1141e(bad) # [ 67.317919] Internal error: Oops: 8000000d [#4] SMP ARM # [ 67.325308] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 67.357013] CPU: 2 PID: 1770 Comm: cat Tainted: G D W 5.10.185-cip35 #1 # [ 67.366919] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 67.375358] PC is at 0xc5b03e0c # [ 67.380586] LR is at execute_location+0xa4/0xb4 # [ 67.387624] pc : [] lr : [] psr: 600e0013 # [ 67.393895] sp : c5b03de8 ip : c5b03cf0 fp : c5b03e04 # [ 67.400940] r10: 0000000b r9 : c1aceb4c r8 : c15ead88 # [ 67.407900] r7 : c5b03f60 r6 : 00000001 r5 : c5b03e0c r4 : c0c54734 # [ 67.416248] r3 : 05315554 r2 : 05315554 r1 : ef7ab5e0 r0 : 0000002b # [ 67.424511] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 67.433638] Control: 10c5387d Table: 16d3804a DAC: 00000051 # [ 67.441205] Process cat (pid: 1770, stack limit = 0xb23697a1) # [ 67.448859] Stack: (0xc5b03de8 to 0xc5b04000) # [ 67.455042] 3de0: c5b02000 c68a6000 0000000b c5b03f60 c5b03e64 c5b03e08 # [ 67.465297] 3e00: c13875d0 c1387390 c5b03e6c e1a0c00d e92dd800 e24cb004 e52de004 e8bd4000 # [ 67.475384] 3e20: e89da800 e1a0c00d e92dd830 e24cb004 e52de004 e8bd4000 e30f3374 e34c31b7 # [ 67.485728] 3e40: e3a02040 e3a01d33 e5930018 05315554 0000000b 00000020 c5b03e74 c5b03e68 # [ 67.495899] 3e60: c0c539c4 c13875a4 c5b03e9c c5b03e78 c0c53ec4 c0c539a4 c0c53da4 c59c6dc0 # [ 67.506156] 3e80: b6e0c000 0000000b c51399c0 c5b03f60 c5b03ec4 c5b03ea0 c07e064c c0c53db0 # [ 67.516414] 3ea0: 00000000 c59c6dc0 b6e0c000 c2815800 c5b03f60 c07e05e8 c5b03f5c c5b03ec8 # [ 67.526587] 3ec0: c059acf8 c07e05f4 00000001 00000000 c059b2a4 c139c8e0 c059b2a4 c5b02000 # [ 67.536846] 3ee0: b6e0c000 00020000 00000004 0000000b 0001fff5 c5b03ee0 00000001 b6e0b000 # [ 67.547100] 3f00: c5bf77c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 67.557273] 3f20: 00000000 00000000 c139c8e0 05315554 c205e380 c59c6dc0 c59c6dc0 c5b02000 # [ 67.567443] 3f40: b6e0c000 00000000 00000000 00000004 c5b03f94 c5b03f60 c059b2a4 c059abf8 # [ 67.577615] 3f60: 00000000 00000000 c5b03fac 05315554 0000000b 0000000b b6f53e00 00000004 # [ 67.587530] 3f80: c03002e4 c5b02000 c5b03fa4 c5b03f98 c059b334 c059b23c 00000000 c5b03fa8 # [ 67.597700] 3fa0: c03000c0 c059b328 0000000b 0000000b 00000001 b6e0c000 0000000b 00000000 # [ 67.607872] 3fc0: 0000000b 0000000b b6f53e00 00000004 00000001 00000000 00020000 bec25ac4 # [ 67.618130] 3fe0: 00000004 bec257f8 b6ebdd8f b6e447e6 800e0030 00000001 00000000 00000000 # [ 67.628380] Backtrace: # [ 67.632834] [] (execute_location) from [] (lkdtm_EXEC_STACK+0x38/0x54) # [ 67.643694] r7:c5b03f60 r6:0000000b r5:c68a6000 r4:c5b02000 # [ 67.651438] [] (lkdtm_EXEC_STACK) from [] (lkdtm_do_action+0x2c/0x4c) # [ 67.661426] r4:00000020 # [ 67.663971] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 67.671989] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 67.679917] r9:c5b03f60 r8:c51399c0 r7:0000000b r6:b6e[ 68.205249] lkdtm: Performing direct entry EXEC_KMALLOC 0c000 r5:c59c6dc0 r4:c0c53da4 # [ 68.213482] lkdtm: attempting ok execution at c0c54734 [ 67.687676] [] (full[ 68.221286] lkdtm: attempting bad execution at c5d99080 _proxy_write) from [] ([ 68.229410] 8<--- cut here --- vfs_write+0x10c/0x[5 3 c )6 8 .#235223] Unable to handle kernel paging request at virtual address c5d99080 [ 67.695513] r9[: c 0 76e80.5244611] pgd = 0356d653 8 r8:c5b03f60 r7:c2815800 r6:b6[e 68.249482] [c5d99080] *pgd=15c1141e(bad) 0c000 r5:c59c6dc0 r4:0[0 0 0 0608.256182] Internal error: Oops: 8000000d [#5] SMP ARM 0 # [ 67.703265] [] [ 68.263744] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi etnaviv imxdrm gpu_sched imx_ipu_v3 (vfs_write) from [ ] 68.295444] CPU: 1 PID: 1849 Comm: cat Tainted: G D W 5.10.185-cip35 #1 (ksys_write+0[x 7 4 /608x.e3c0)5692] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 67.710408] r10:0[0 0 0 068.314130] PC is at 0xc5d99080 04 r9:00000000 r8:00000000 r7[: b 68.319702] LR is at execute_location+0xa4/0xb4 6e0c000 r6:c5b02[0 0 0 6r85.:3c26822] pc : [] lr : [] psr: 600e0013 9c6dc0 # [ [ 6 76.87.1383254166] sp : c4725e30 ip : c4725d38 fp : c4725e4c ] r4:c59c6d[c 0 6#8 .[34 2 2 5] r10: 0000000d r9 : c1aceb58 r8 : c15ead88 67.720785] [<[c 0 5 96b82.3304>9]40] r7 : c4725f60 r6 : 00000001 r5 : c5d99080 r4 : c0c54734 (ksys_write) [f r o m6 8[.<3c507772] r3 : deb2c48a r2 : deb2c48a r1 : ef7965e0 r0 : 0000002b 9b334>] (sys_write+[0 x 1 86/80.x66293] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none 1c) # [ 67.72[7 9 2 768]. 3 7r590] Control: 10c5387d Table: 16f2804a DAC: 00000051 9:c5b02000 r8:c03[0 0 2 e648 .r373328] Process cat (pid: 1849, stack limit = 0xc9013953) :00000004 r6:b6[f 5 3 e6080. 3r95151] Stack: (0xc4725e30 to 0xc4726000) :0000000b r4:0000000b[ # 6[8 397503] 5e20: c5d99080 c5df2000 0000000d c4725f60 67.735682] [.]407932] 5e40: c4725e64 c4725e50 c0c54784 c1387390 00000021 c5df2000 c4725e74 c4725e68 (sys_write) from [<[c 0 3 06080.c18273] 5e60: c0c539c4 c0c54758 c4725e9c c4725e78 c0c53ec4 c0c539a4 c0c53da4 c5bf7400 0>] (ret_fast_sysca[l l + 06x80./28614] 5e80: b6eae000 0000000d c51399c0 c4725f60 c4725ec4 c4725ea0 c07e064c c0c53db0 0x28) # [ 67.74325[6 ] E6x8c438957] 5ea0: 00000000 c5bf7400 b6eae000 c2815800 c4725f60 c07e05e8 c4725f5c c4725ec8 eption stack(0xc5b03fa8[ t o 60.449387] 5ec0: c059acf8 c07e05f4 00000001 00000000 c059b2a4 c139c8e0 c059b2a4 c4724000 xc5b03ff0) # [ 67[. 7 4 86381.459898] 5ee0: b6eae000 00020000 00000004 0000000d 0001fff3 c4725ee0 00000001 b6ead000 ] 3fa0: [ 6 8 . 470327] 5f00: c5f688c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 0000000b 0000000b 000[0 0 0 0618 480670] 5f20: 00000000 00000000 c139c8e0 deb2c48a c205e380 c5bf7400 c5bf7400 c4724000 b6e0c000 0000000b 000[0 0 0 0608 491097] 5f40: b6eae000 00000000 00000000 00000004 c4725f94 c4725f60 c059b2a4 c059abf8 # [ 67.756500] 3f[c 0 : 6080.501525] 5f60: 00000000 00000000 c4725fac deb2c48a 0000000d 0000000d b6ff5e00 00000004 0000b 0000000b b6f5[3 e 0 06 80.011954] 5f80: c03002e4 c4724000 c4725fa4 c4725f98 c059b334 c059b23c 00000000 c4725fa8 000004 00000001 00000[0 0 0 6080522295] 5fa0: c03000c0 c059b328 0000000d 0000000d 00000001 b6eae000 0000000d 00000000 020000 bec25ac4 # [ [6 7 . 766.532725] 5fc0: 0000000d 0000000d b6ff5e00 00000004 00000001 00000000 00020000 bea2eac4 4683] 3fe0: 00000004 [b e c 26587543236] 5fe0: 00000004 bea2e7f8 b6f5fd8f b6ee67e6 800e0030 00000001 00000000 00000000 f8 b6ebdd8f b6e44[7 e 6 6 8#. 5[3659] Backtrace: 67.769744] Code: c5b03e08 c138[ 68.558198] [] (execute_location) from [] (lkdtm_EXEC_KMALLOC+0x38/0x44) 75d0 c1387390 c5b03e6c[ ( e 16a8.569488] r7:c4725f60 r6:0000000d r5:c5df2000 r4:c5d99080 c00d) # [ 67.775848[] - -6-.577485] [] (lkdtm_EXEC_KMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) [ end trace [4 1 c a6c8c.25e8c87169] r5:c5df2000 r4:00000021 f9407 ]--- # EXEC_STACK[: m i68.593656] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) sing 'call trace:': [FAIL] not[ 68.604089] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) ok 31 selftests: lkdtm[: E X6E8.614684] r9:c4725f60 r8:c51399c0 r7:0000000d r6:b6eae000 r5:c5bf7400 r4:c0c53da4 _STACK.sh # exit=1 # selftests[: 68.624770] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) lkdtm: EXEC_KMALLOC.[s h 68.635278] r9:c07e05e8 r8:c4725f60 r7:c2815800 r6:b6eae000 r5:c5bf7400 r4:00000000 [ 68.645186] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 68.652330] r10:00000004 r9:00000000 r8:00000000 r7:b6eae000 r6:c4724000 r5:c5bf7400 [ 68.660162] r4:c5bf7400 [ 68.662707] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 68.669849] r9:c4724000 r8:c03002e4 r7:00000004 r6:b6ff5e00 r5:0000000d r4:0000000d [ 68.677604] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 68.685177] Exception stack(0xc4725fa8 to 0xc4725ff0) [ 68.690235] 5fa0: 0000000d 0000000d 00000001 b6eae000 0000000d 00000000 [ 68.698420] 5fc0: 0000000d 0000000d b6ff5e00 00000004 00000001 00000000 00020000 bea2eac4 [ 68.706601] 5fe0: 00000004 bea2e7f8 b6f5fd8f b6ee67e6 [ 68.711663] Code: 00000000 00000002 00000000 00000000 (e1a0c00d) [ 68.717766] ---[ end trace 41cacc2ec7df9408 ]--- # Segmentation fault # [ 68.205249] lkdtm: Performing direct entry EXEC_KMALLOC # [ 68.213482] lkdtm: attempting ok execution at c0c54734 # [ 68.221286] lkdtm: attempting bad execution at c5d99080 # [ 68.229410] 8<--- cut here --- # [ 68.235223] Unable to handle kernel paging request at virtual address c5d99080 # [ 68.244611] pgd = 0356d653 # [ 68.249482] [c5d99080] *pgd=15c1141e(bad) # [ 68.256182] Internal error: Oops: 8000000d [#5] SMP ARM # [ 68.263744] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 68.295444] CPU: 1 PID: 1849 Comm: cat Tainted: G D W 5.10.185-cip35 #1 # [ 68.305692] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 68.314130] PC is at 0xc5d99080 # [ 68.319702] LR is at execute_location+0xa4/0xb4 # [ 68.326822] pc : [] lr : [] psr: 600e0013 # [ 68.335166] sp : c4725e30 ip : c4725d38 fp : c4725e4c # [ 68.342295] r10: 0000000d r9 : c1aceb58 r8 : c15ead88 # [ 68.349340] r7 : c4725f60 r6 : 00000001 r5 : c5d99080 r4 : c0c54734 # [ 68.357772] r3 : deb2c48a r2 : deb2c48a r1 : ef7965e0 r0 : 0000002b # [ 68.366293] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 68.375590] Control: 10c5387d Table: 16f2804a DAC: 00000051 # [ 68.383328] Process cat (pid: 1849, stack limit = 0xc9013953) # [ 68.391151] Stack: (0xc4725e30 to 0xc4726000) # [ 68.397503] 5e20: c5d99080 c5df2000 0000000d c4725f60 # [ 68.407932] 5e40: c4725e64 c4725e50 c0c54784 c1387390 00000021 c5df2000 c4725e74 c4725e68 # [ 68.418273] 5e60: c0c539c4 c0c54758 c4725e9c c4725e78 c0c53ec4 c0c539a4 c0c53da4 c5bf7400 # [ 68.428614] 5e80: b6eae000 0000000d c51399c0 c4725f60 c4725ec4 c4725ea0 c07e064c c0c53db0 # [ 68.438957] 5ea0: 00000000 c5bf7400 b6eae000 c2815800 c4725f60 c07e05e8 c4725f5c c4725ec8 # [ 68.449387] 5ec0: c059acf8 c07e05f4 00000001 00000000 c059b2a4 c139c8e0 c059b2a4 c4724000 # [ 68.459898] 5ee0: b6eae000 00020000 00000004 0000000d 0001fff3 c4725ee0 00000001 b6ead000 # [ 68.470327] 5f00: c5f688c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 68.480670] 5f20: 00000000 00000000 c139c8e0 deb2c48a c205e380 c5bf7400 c5bf7400 c4724000 # [ 68.491097] 5f40: b6eae000 00000000 00000000 00000004 c4725f94 c4725f60 c059b2a4 c059abf8 # [ 68.501525] 5f60: 00000000 00000000 c4725fac deb2c48a 0000000d 0000000d b6ff5e00 00000004 # [ 68.511954] 5f80: c03002e4 c4724000 c4725fa4 c4725f98 c059b334 c059b23c 00000000 c4725fa8 # [ 68.522295] 5fa0: c03000c0 c059b328 0000000d 0000000d 00000001 b6eae000 0000000d 00000000 # [ 68.532725] 5fc0: 0000000d 0000000d b6ff5e00 00000004 00000001 00000000 00020000 bea2eac4 # [ 68.543236] 5fe0: 00000004 bea2e7f8 b6f5fd8f b6ee67e6 800e0030 00000001 00000000 00000000 # [ 68.553659] Backtrace: # [ 68.558198] [] (execute_location) from [] (lkdtm_EXEC_KMALLOC+0x38/0x44) # [ 68.569488] r7:c4725f60 r6:0000000d r5:c5df2000 r4:c5d99080 # [ 68.577485] [] (lkdtm_EXEC_KMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) # [ 68.588169] r5:c5df2000 r4:00000021 # [ 68.593656] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 68.604089] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 68.614684] r9:c4725f60 r8:c51399c0 r7:0000000d r6:b6eae000 r5:c5bf7400 r4:c0c53da4 # [ 68.624770] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 68.635278] r9:c07e05e8 r8:c4725f60 r7:c2815800 r6:b6eae000 r5:c5bf7400 r4:00000000 # [ 68.645186] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 68.652330] r10:00000004 r9:00000000 r8:00000000 r7:b6eae000 r6:c4724000 r5:c5bf7400 # [ 68.660162] r4:c5bf7400 # [ 68.662707] [] (ksys_write[ 69.192207] lkdtm: Performing direct entry EXEC_VMALLOC ) from [] (sys_write+0x[ 69.197781] lkdtm: attempting ok execution at c0c54734 18/0x1c) # [ 68.669849] r9:c4[ 69.205686] lkdtm: attempting bad execution at f096c000 724000 r8:c03002e4 r7:00000004 r6[ 69.213826] 8<--- cut here --- :b6ff5e00 r5:0000000d r4:0000000d[ 69.219808] Unable to handle kernel paging request at virtual address f096c000 # [ 68.677604] [] ([ 69.229862] pgd = e8369eb7 sys_write) from [] (ret[ 69.235348] [f096c000] *pgd=12949811, *pte=4936765f, *ppte=4936745f _fast_syscall+0x0/0x28) # [ 68[ 69.244508] Internal error: Oops: 8000000f [#6] SMP ARM .685177] Exception stack(0xc4725f[ 69.252553] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi etnaviv imxdrm gpu_sched imx_ipu_v3 a8 to 0xc4725ff0) #[ [ 6 96.284256] CPU: 1 PID: 1926 Comm: cat Tainted: G D W 5.10.185-cip35 #1 .690235][ 5 f 6a90.:2 9 4 2 4 9 Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 00000[0 0 d 609.0302431] PC is at 0xf096c000 0000d 00000001 b6eae000 00[0 0 0 69.307662] LR is at execute_location+0xa4/0xb4 0d 00000000 [ # [6 9 . 36184.699] pc : [] lr : [] psr: 600e0013 98420] 5f[c 0 : 6090.0302020807d] sp : c5b7fe30 ip : c5b7fd38 fp : c5b7fe4c 000000[0 d b669f.f352e90803 10 r10: 0000000d r9 : c1aceb68 r8 : c15ead88 0000004 000[0 0 0 0619 .0303060705] r7 : c5b7ff60 r6 : 00000001 r5 : f096c000 r4 : c0c54734 000 000[2 0 0 6090. 3b4e5a025e1a] r3 : 2d815c84 r2 : 2d815c84 r1 : ef7965e0 r0 : 0000002b 4 # [ 68.70[6 6 0 16]9 .53f53e29] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none 0: 000000[0 4 b6e9a.23e672f287 ] Control: 10c5387d Table: 16d2404a DAC: 00000051 b6f5fd8f b6e[e 6 7 e669 . 3#6 9[754] Process cat (pid: 1926, stack limit = 0x41c44590) 68.71166[3 ] C6o9d.e3:7 74000] Stack: (0xc5b7fe30 to 0xc5b80000) 000000 0000000[2 0 06090.030803500] fe20: f096c000 c5f5b000 0000000d c5b7ff60 00000000 (e1a0[c 0 0 d6)9 . 3 9#673] fe40: c5b7fe64 c5b7fe50 c0c547b8 c1387390 00000022 c5f5b000 c5b7fe74 c5b7fe68 [ 68.717766] [- - - [6 9e.n4d03845] fe60: c0c539c4 c0c5479c c5b7fe9c c5b7fe78 c0c53ec4 c0c539a4 c0c53da4 c5bf72c0 trace 41cacc2ec[7 d f 96490.481 4102] fe80: b6e4d000 0000000d c51399c0 c5b7ff60 c5b7fec4 c5b7fea0 c07e064c c0c53db0 --- # EXEC_KMAL[L O C :6 9m.i4s24274] fea0: 00000000 c5bf72c0 b6e4d000 c2815800 c5b7ff60 c07e05e8 c5b7ff5c c5b7fec8 ing 'call trace[: ' : 6[9F.A4I3L532] fec0: c059acf8 c07e05f4 00000001 00000000 c059b2a4 c139c8e0 c059b2a4 c5b7e000 ] not ok 32 s[e l f t6e9s.t4s4:4702] fee0: b6e4d000 00020000 00000004 0000000d 0001fff3 c5b7fee0 00000001 b6e4c000 lkdtm: EXEC_K[M A L L6O9C..4s5h4 73] ff00: c4745b80 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # exit=1 # self[t e s t6s9:. 4l64959] ff20: 00000000 00000000 c139c8e0 2d815c84 c205e380 c5bf72c0 c5bf72c0 c5b7e000 dtm: EXEC_VMALL[O C . s6h9 . 475216] ff40: b6e4d000 00000000 00000000 00000004 c5b7ff94 c5b7ff60 c059b2a4 c059abf8 [ 69.485301] ff60: 00000000 00000000 c5b7ffac 2d815c84 0000000d 0000000d b6f94e00 00000004 [ 69.493488] ff80: c03002e4 c5b7e000 c5b7ffa4 c5b7ff98 c059b334 c059b23c 00000000 c5b7ffa8 [ 69.501674] ffa0: c03000c0 c059b328 0000000d 0000000d 00000001 b6e4d000 0000000d 00000000 [ 69.509862] ffc0: 0000000d 0000000d b6f94e00 00000004 00000001 00000000 00020000 bedf4ac4 [ 69.518045] ffe0: 00000004 bedf47f8 b6efed8f b6e857e6 800e0030 00000001 00000000 00000000 [ 69.526225] Backtrace: [ 69.528698] [] (execute_location) from [] (lkdtm_EXEC_VMALLOC+0x28/0x34) [ 69.537146] r7:c5b7ff60 r6:0000000d r5:c5f5b000 r4:f096c000 [ 69.542816] [] (lkdtm_EXEC_VMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) [ 69.551170] r5:c5f5b000 r4:00000022 [ 69.554755] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 69.562772] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 69.570696] r9:c5b7ff60 r8:c51399c0 r7:0000000d r6:b6e4d000 r5:c5bf72c0 r4:c0c53da4 [ 69.578452] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 69.586290] r9:c07e05e8 r8:c5b7ff60 r7:c2815800 r6:b6e4d000 r5:c5bf72c0 r4:00000000 [ 69.594041] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 69.601186] r10:00000004 r9:00000000 r8:00000000 r7:b6e4d000 r6:c5b7e000 r5:c5bf72c0 [ 69.609019] r4:c5bf72c0 [ 69.611563] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 69.618707] r9:c5b7e000 r8:c03002e4 r7:00000004 r6:b6f94e00 r5:0000000d r4:0000000d [ 69.626462] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 69.634034] Exception stack(0xc5b7ffa8 to 0xc5b7fff0) [ 69.639092] ffa0: 0000000d 0000000d 00000001 b6e4d000 0000000d 00000000 [ 69.647277] ffc0: 0000000d 0000000d b6f94e00 00000004 00000001 00000000 00020000 bedf4ac4 [ 69.655459] ffe0: 00000004 bedf47f8 b6efed8f b6e857e6 [ 69.660524] Code: bad PC value [ 69.663709] ---[ end trace 41cacc2ec7df9409 ]--- # Segmentation fault # [ 69.192207] lkdtm: Performing direct entry EXEC_VMALLOC # [ 69.197781] lkdtm: attempting ok execution at c0c54734 # [ 69.205686] lkdtm: attempting bad execution at f096c000 # [ 69.213826] 8<--- cut here --- # [ 69.219808] Unable to handle kernel paging request at virtual address f096c000 # [ 69.229862] pgd = e8369eb7 # [ 69.235348] [f096c000] *pgd=12949811, *pte=4936765f, *ppte=4936745f # [ 69.244508] Internal error: Oops: 8000000f [#6] SMP ARM # [ 69.252553] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 69.284256] CPU: 1 PID: 1926 Comm: cat Tainted: G D W 5.10.185-cip35 #1 # [ 69.294249] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 69.302431] PC is at 0xf096c000 # [ 69.307662] LR is at execute_location+0xa4/0xb4 # [ 69.314699] pc : [] lr : [] psr: 600e0013 # [ 69.322871] sp : c5b7fe30 ip : c5b7fd38 fp : c5b7fe4c # [ 69.329831] r10: 0000000d r9 : c1aceb68 r8 : c15ead88 # [ 69.336705] r7 : c5b7ff60 r6 : 00000001 r5 : f096c000 r4 : c0c54734 # [ 69.345051] r3 : 2d815c84 r2 : 2d815c84 r1 : ef7965e0 r0 : 0000002b # [ 69.353229] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 69.362270] Control: 10c5387d Table: 16d2404a DAC: 00000051 # [ 69.369754] Process cat (pid: 1926, stack limit = 0x41c44590) # [ 69.377405] Stack: (0xc5b7fe30 to 0xc5b80000) # [ 69.383500] fe20: f096c000 c5f5b000 0000000d c5b7ff60 # [ 69.393673] fe40: c5b7fe64 c5b7fe50 c0c547b8 c1387390 00000022 c5f5b000 c5b7fe74 c5b7fe68 # [ 69.403845] fe60: c0c539c4 c0c5479c c5b7fe9c c5b7fe78 c0c53ec4 c0c539a4 c0c53da4 c5bf72c0 # [ 69.414102] fe80: b6e4d000 0000000d c51399c0 c5b7ff60 c5b7fec4 c5b7fea0 c07e064c c0c53db0 # [ 69.424274] fea0: 00000000 c5bf72c0 b6e4d000 c2815800 c5b7ff60 c07e05e8 c5b7ff5c c5b7fec8 # [ 69.434532] fec0: c059acf8 c07e05f4 00000001 00000000 c059b2a4 c139c8e0 c059b2a4 c5b7e000 # [ 69.444702] fee0: b6e4d000 00020000 00000004 0000000d 0001fff3 c5b7fee0 00000001 b6e4c000 # [ 69.454873] ff00: c4745b80 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 69.464959] ff20: 00000000 00000000 c139c8e0 2d815c84 c205e380 c5bf72c0 c5bf72c0 c5b7e000 # [ 69.475216] ff40: b6e4d000 00000000 00000000 00000004 c5b7ff94 c5b7ff60 c059b2a4 c059abf8 # [ 69.485301] ff60: 00000000 00000000 c5b7ffac 2d815c84 0000000d 0000000d b6f94e00 00000004 # [ 69.493488] ff80: c03002e4 c5b7e000 c5b7ffa4 c5b7ff98 c059b334 c059b23c 00000000 c5b7ffa8 # [ 69.501674] ffa0: c03000c0 c059b328 0000000d 0000000d 00000001 b6e4d000 0000000d 00000000 # [ 69.509862] ffc0: 0000000d 0000000d b6f94e00 00000004 00000001 00000000 00020000 bedf4ac4 # [ 69.518045] ffe0: 00000004 bedf47f8 b6efed8f b6e857e6 800e0030 00000001 00000000 00000000 # [ 69.526225] Backtrace: # [ 69.528698] [] (execute_location) from [] (lkdtm_EXEC_VMALLOC+0x28/0x34) # [ 69.537146] r7:c5b7ff60 r6:0000000d r5:c5f5b000 r4:f096c000 # [ 69.542816] [] (lkdtm_EXEC_VMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) # [ 69.551170] r5:c5f5b000 r4:00000022 # [ 69.554755] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 69.562772] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 69.570696] r9:c5b7ff60 r8:c51399c0 r7:0000000d r6:b6e4d000 r5:c5bf72c0 r4:c0c53da4 # [ 69.578452] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 69.586290] r9:c07e05e8 r8:c5b7ff60 r7:c2815800 r6:b6e4d000 r5:c5bf72c0 r4:00000000 # [ 69.594041] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 69.601186] r10:00000004 r9:00000000 r8:00000000 r7:b6e4d000 r6:c5b7e000 r5:c5bf72c0 # [ 69.609019] r4:c5bf72c0 # [ 69.611563] [ 70.145310] lkdtm: Performing direct entry EXEC_RODATA [] (ksys_write) from [<[ 70.152530] lkdtm: attempting ok execution at c0c54734 c059b334>] (sys_write+0x18/0x1c) [ 70.160425] lkdtm: attempting bad execution at c15eb024 # [ 69.618707] r9:c5b7e000 r8[ 70.168622] 8<--- cut here --- :c03002e4 r7:000000[0 4 r760:.174362] Unable to handle kernel paging request at virtual address c15eb024 6f94e00 r5:0000000d [r 4 : 07000.183749] pgd = 0e9b880f 000d # [ 69.626462] [] (sys_write) from[ [ < c7003195318] Internal error: Oops: 8000000d [#7] SMP ARM 000c0>] (ret_fast_syscall+0x0/0x2[ 70.202792] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi etnaviv imxdrm gpu_sched imx_ipu_v3 8) # [ 69.634034] [E x c e7p0t234492] CPU: 1 PID: 2003 Comm: cat Tainted: G D W 5.10.185-cip35 #1 ion stack(0xc5b[7 f f a780 .t2o4 482] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 0xc5b7fff0) # [ 69.639092] f[f 70.253010] PC is at lkdtm_rodata_do_nothing+0x0/0x10 a0: 00[0 0 0 070.260743] LR is at execute_location+0xa4/0xb4 d 0000000d 00000[0 0 1 7b06.e2467694] pc : [] lr : [] psr: 600e0013 000 0000000d[ 0 0 07000.020706 037] sp : c5b03e38 ip : c5b03d40 fp : c5b03e54 # [ 69.647[2 7 7 ]7 0f.f2c803:167] r10: 0000000c r9 : c1aceb78 r8 : c15ead88 0000000d 0000[0 0 0 d7 0.b269f09297] r7 : c5b03f60 r6 : 00000000 r5 : c15eb024 r4 : c0c54734 e00 00000004 0[0 0 0 07000.12 908729] r3 : 5ae8a8f8 r2 : 5ae8a8f8 r1 : ef7965e0 r0 : 0000002b 000000 00020000 bed[f 4 a c740 . 07250] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 69.655459[] f f7e00.:3 10548] Control: 10c5387d Table: 16f0804a DAC: 00000051 0000004 bedf47f8 [ b 6 e7f0e.d3824285] Process cat (pid: 2003, stack limit = 0xb23697a1) b6e857e6 # [ [ 6 9 .7606.03532109] Stack: (0xc5b03e38 to 0xc5b04000) 4] Code: bad PC va[l u e 7 0#. 338545] 3e20: 00000023 c5f5b000 69.663709] ---[ en[d t r7a0c348890] 3e40: 0000000c c5b03f60 c5b03e64 c5b03e58 c1387610 c1387390 c5b03e74 c5b03e68 e 41cacc2ec7df9409 ]-[- - 7#0 359319] 3e60: c0c539c4 c13875f8 c5b03e9c c5b03e78 c0c53ec4 c0c539a4 c0c53da4 c5bf6780 EXEC_VMALLOC: miss[i n g 7'0c.a369746] 3e80: b6dfb000 0000000c c51399c0 c5b03f60 c5b03ec4 c5b03ea0 c07e064c c0c53db0 l trace:': [FAIL] no[t o k7 03380090] 3ea0: 00000000 c5bf6780 b6dfb000 c2815800 c5b03f60 c07e05e8 c5b03f5c c5b03ec8 3 selftests: lkdtm: EXE[C _ V M7A.390519] 3ec0: c059acf8 c07e05f4 00000001 00000000 c059b2a4 c59929a4 c059b2a4 c5b02000 LLOC.sh # exit=1 # s[e l f t7e0s401033] 3ee0: b6dfb000 00020000 00000004 0000000c 0001fff4 c5b03ee0 00000001 00000805 ts: lkdtm: EXEC_RODA[T A . s7h0 .411462] 3f00: c59c7040 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 70.421888] 3f20: 00000000 00000000 c5b02000 5ae8a8f8 b6dfa000 c5bf6780 c5bf6780 c5b02000 [ 70.430073] 3f40: b6dfb000 00000000 00000000 00000004 c5b03f94 c5b03f60 c059b2a4 c059abf8 [ 70.438257] 3f60: 00000000 00000000 c5b03fac 5ae8a8f8 0000000c 0000000c b6f42e00 00000004 [ 70.446441] 3f80: c03002e4 c5b02000 c5b03fa4 c5b03f98 c059b334 c059b23c 00000000 c5b03fa8 [ 70.454626] 3fa0: c03000c0 c059b328 0000000c 0000000c 00000001 b6dfb000 0000000c 00000000 [ 70.462811] 3fc0: 0000000c 0000000c b6f42e00 00000004 00000001 00000000 00020000 bed5cac4 [ 70.470994] 3fe0: 00000004 bed5c7f8 b6eacd8f b6e337e6 800e0030 00000001 00000000 00000000 [ 70.479174] Backtrace: [ 70.481639] [] (execute_location) from [] (lkdtm_EXEC_RODATA+0x24/0x28) [ 70.489998] r7:c5b03f60 r6:0000000c r5:c5f5b000 r4:00000023 [ 70.495669] [] (lkdtm_EXEC_RODATA) from [] (lkdtm_do_action+0x2c/0x4c) [ 70.503942] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 70.511959] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 70.519886] r9:c5b03f60 r8:c51399c0 r7:0000000c r6:b6dfb000 r5:c5bf6780 r4:c0c53da4 [ 70.527644] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 70.535483] r9:c07e05e8 r8:c5b03f60 r7:c2815800 r6:b6dfb000 r5:c5bf6780 r4:00000000 [ 70.543235] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 70.550380] r10:00000004 r9:00000000 r8:00000000 r7:b6dfb000 r6:c5b02000 r5:c5bf6780 [ 70.558213] r4:c5bf6780 [ 70.560758] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 70.567902] r9:c5b02000 r8:c03002e4 r7:00000004 r6:b6f42e00 r5:0000000c r4:0000000c [ 70.575659] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 70.583231] Exception stack(0xc5b03fa8 to 0xc5b03ff0) [ 70.588292] 3fa0: 0000000c 0000000c 00000001 b6dfb000 0000000c 00000000 [ 70.596476] 3fc0: 0000000c 0000000c b6f42e00 00000004 00000001 00000000 00020000 bed5cac4 [ 70.604660] 3fe0: 00000004 bed5c7f8 b6eacd8f b6e337e6 [ 70.609721] Code: 5f727563 6e756f63 00000074 aa55aa55 (e1a0c00d) [ 70.615825] ---[ end trace 41cacc2ec7df940a ]--- # Segmentation fault # [ 70.145310] lkdtm: Performing direct entry EXEC_RODATA # [ 70.152530] lkdtm: attempting ok execution at c0c54734 # [ 70.160425] lkdtm: attempting bad execution at c15eb024 # [ 70.168622] 8<--- cut here --- # [ 70.174362] Unable to handle kernel paging request at virtual address c15eb024 # [ 70.183749] pgd = 0e9b880f # [ 70.188705] [c15eb024] *pgd=1141941e(bad) # [ 70.195318] Internal error: Oops: 8000000d [#7] SMP ARM # [ 70.202792] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 70.234492] CPU: 1 PID: 2003 Comm: cat Tainted: G D W 5.10.185-cip35 #1 # [ 70.244482] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 70.253010] PC is at lkdtm_rodata_do_nothing+0x0/0x10 # [ 70.260743] LR is at execute_location+0xa4/0xb4 # [ 70.267694] pc : [] lr : [] psr: 600e0013 # [ 70.276037] sp : c5b03e38 ip : c5b03d40 fp : c5b03e54 # [ 70.283167] r10: 0000000c r9 : c1aceb78 r8 : c15ead88 # [ 70.290297] r7 : c5b03f60 r6 : 00000000 r5 : c15eb024 r4 : c0c54734 # [ 70.298729] r3 : 5ae8a8f8 r2 : 5ae8a8f8 r1 : ef7965e0 r0 : 0000002b # [ 70.307250] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 70.316548] Control: 10c5387d Table: 16f0804a DAC: 00000051 # [ 70.324285] Process cat (pid: 2003, stack limit = 0xb23697a1) # [ 70.332109] Stack: (0xc5b03e38 to 0xc5b04000) # [ 70.338545] 3e20: 00000023 c5f5b000 # [ 70.348890] 3e40: 0000000c c5b03f60 c5b03e64 c5b03e58 c1387610 c1387390 c5b03e74 c5b03e68 # [ 70.359319] 3e60: c0c539c4 c13875f8 c5b03e9c c5b03e78 c0c53ec4 c0c539a4 c0c53da4 c5bf6780 # [ 70.369746] 3e80: b6dfb000 0000000c c51399c0 c5b03f60 c5b03ec4 c5b03ea0 c07e064c c0c53db0 # [ 70.380090] 3ea0: 00000000 c5bf6780 b6dfb000 c2815800 c5b03f60 c07e05e8 c5b03f5c c5b03ec8 # [ 70.390519] 3ec0: c059acf8 c07e05f4 00000001 00000000 c059b2a4 c59929a4 c059b2a4 c5b02000 # [ 70.401033] 3ee0: b6dfb000 00020000 00000004 0000000c 0001fff4 c5b03ee0 00000001 00000805 # [ 70.411462] 3f00: c59c7040 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 70.421888] 3f20: 00000000 00000000 c5b02000 5ae8a8f8 b6dfa000 c5bf6780 c5bf6780 c5b02000 # [ 70.430073] 3f40: b6dfb000 00000000 00000000 00000004 c5b03f94 c5b03f60 c059b2a4 c059abf8 # [ 70.438257] 3f60: 00000000 00000000 c5b03fac 5ae8a8f8 0000000c 0000000c b6f42e00 00000004 # [ 70.446441] 3f80: c03002e4 c5b02000 c5b03fa4 c5b03f98 c059b334 c059b23c 00000000 c5b03fa8 # [ 70.454626] 3fa0: c03000c0 c059b328 0000000c 0000000c 00000001 b6dfb000 0000000c 00000000 # [ 70.462811] 3fc0: 0000000c 0000000c b6f42e00 00000004 00000001 00000000 00020000 bed5cac4 # [ 70.470994] 3fe0: 00000004 bed5c7f8 b6eacd8f b6e337e6 800e0030 00000001 00000000 00000000 # [ 70.479174] Backtrace: # [ 70.481639] [] (execute_location) from [] (lkdtm_EXEC_RODATA+0x24/0x28) # [ 70.489998] r7:c5b03f60 r6:0000000c r5:c5f5b000 r4:00000023 # [ 70.495669] [] (lkdtm_EXEC_RODATA) from [] (lkdtm_do_action+0x2c/0x4c) # [ 70.503942] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 70.511959] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 70.519886] r9:c5b03f60 r8:c51399c0 r7:0000000c r6:b6dfb000 r5:c5bf6780 r4:c0c53da4 # [ 70.527644] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 70.535483] r9:c07e05e8 r8:c5b03f60 r7:c2815800 r6:b6dfb000 r5:c5bf6780 r4:00000000 # [ 70.543235] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 70.550380] r10:00000004 r9:00000000 r8:00000000 r7:b6dfb000 r6:c5b02000 r5:c5bf6780 # [ 70.558213] r4:c5bf6780 # [ 70.560758] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 70.567902] r9:c5b02000 r8:c03002e4 r7:00000004 r6:b6f42e00 r5:0000000c r4:0000000c # [ 70.575659] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 70.583231] Exception stack(0xc5b03fa8 to 0xc5b03ff0) # [ 70.588292] 3fa0: 0000000c 0000000c 00000001 b6dfb000 0000000c 00000000 # [ 70.596476] 3fc0: 0000000c 0000000c b6f42e00 00000004 00000001 00000000 00020000 bed5cac4 # [ 70.604660] 3fe0: 00000004 bed5c7f8 b6eacd8f b6e337e6 # [ 70.609721] Code: 5f727563 6e756f63 00000074 aa55aa55 (e1a0c00d) # [ 70[ 71.123605] lkdtm: Performing direct entry EXEC_USERSPACE .615825] ---[ end trace 41cacc2ec[ 71.129767] lkdtm: attempting ok execution at c0c54734 7df940a ]--- # EXEC_RODATA: miss[ 71.137788] lkdtm: attempting bad execution at b6f60000 ing 'call trace:'[: [ F7A1I.L1]5696] Unhandled prefetch abort: page domain fault (0x00b) at 0xb6f60000 not ok 34 selftests: lkdtm[: 71.154927] Internal error: : b [#8] SMP ARM XEC_RODATA.sh # exit=1 # selftes[ 71.161800] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi etnaviv imxdrm gpu_sched imx_ipu_v3 ts: lkdtm: EXEC_USERSPACE.sh [ 71.193517] CPU: 1 PID: 2079 Comm: cat Tainted: G D W 5.10.185-cip35 #1 [ 71.203859] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 71.210416] PC is at 0xb6f60000 [ 71.213590] LR is at lkdtm_EXEC_USERSPACE+0xc4/0xd4 [ 71.218493] pc : [] lr : [] psr: 600e0013 [ 71.224781] sp : c6d37e48 ip : 00000027 fp : c6d37e64 [ 71.230024] r10: 0000000f r9 : c1aceb84 r8 : c15ead88 [ 71.235271] r7 : c6d37f60 r6 : 0000000f r5 : c5f5b000 r4 : b6f60000 [ 71.241818] r3 : cc8b4b76 r2 : cc8b4b76 r1 : ef7965e4 r0 : 0000002b [ 71.248371] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 71.255530] Control: 10c5387d Table: 16d2404a DAC: 00000051 [ 71.261301] Process cat (pid: 2079, stack limit = 0x2208227c) [ 71.267071] Stack: (0xc6d37e48 to 0xc6d38000) [ 71.271465] 7e40: 00000001 00000000 0000000f 00000024 c6d37e74 c6d37e68 [ 71.279674] 7e60: c0c539c4 c0c547d0 c6d37e9c c6d37e78 c0c53ec4 c0c539a4 c0c53da4 c5bf68c0 [ 71.287883] 7e80: b6e1a000 0000000f c51399c0 c6d37f60 c6d37ec4 c6d37ea0 c07e064c c0c53db0 [ 71.296090] 7ea0: 00000000 c5bf68c0 b6e1a000 c2815800 c6d37f60 c07e05e8 c6d37f5c c6d37ec8 [ 71.304298] 7ec0: c059acf8 c07e05f4 00000001 00000000 c059b2a4 c139c8e0 c059b2a4 c6d36000 [ 71.312505] 7ee0: b6e1a000 00020000 00000004 0000000f 0001fff1 c6d37ee0 00000001 b6e19000 [ 71.320711] 7f00: c5cd7540 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 71.328917] 7f20: 00000000 00000000 c139c8e0 cc8b4b76 c205e380 c5bf68c0 c5bf68c0 c6d36000 [ 71.337124] 7f40: b6e1a000 00000000 00000000 00000004 c6d37f94 c6d37f60 c059b2a4 c059abf8 [ 71.345331] 7f60: 00000000 00000000 c6d37fac cc8b4b76 0000000f 0000000f b6f61e00 00000004 [ 71.353539] 7f80: c03002e4 c6d36000 c6d37fa4 c6d37f98 c059b334 c059b23c 00000000 c6d37fa8 [ 71.361745] 7fa0: c03000c0 c059b328 0000000f 0000000f 00000001 b6e1a000 0000000f 00000000 [ 71.369951] 7fc0: 0000000f 0000000f b6f61e00 00000004 00000001 00000000 00020000 bed47ac4 [ 71.378157] 7fe0: 00000004 bed477f8 b6ecbd8f b6e527e6 800e0030 00000001 00000000 00000000 [ 71.386351] Backtrace: [ 71.388851] [] (lkdtm_EXEC_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) [ 71.397401] r4:00000024 [ 71.399969] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 71.408014] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 71.415963] r9:c6d37f60 r8:c51399c0 r7:0000000f r6:b6e1a000 r5:c5bf68c0 r4:c0c53da4 [ 71.423747] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 71.431607] r9:c07e05e8 r8:c6d37f60 r7:c2815800 r6:b6e1a000 r5:c5bf68c0 r4:00000000 [ 71.439386] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 71.446552] r10:00000004 r9:00000000 r8:00000000 r7:b6e1a000 r6:c6d36000 r5:c5bf68c0 [ 71.454401] r4:c5bf68c0 [ 71.456968] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 71.464134] r9:c6d36000 r8:c03002e4 r7:00000004 r6:b6f61e00 r5:0000000f r4:0000000f [ 71.471913] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 71.479502] Exception stack(0xc6d37fa8 to 0xc6d37ff0) [ 71.484581] 7fa0: 0000000f 0000000f 00000001 b6e1a000 0000000f 00000000 [ 71.492788] 7fc0: 0000000f 0000000f b6f61e00 00000004 00000001 00000000 00020000 bed47ac4 [ 71.500989] 7fe0: 00000004 bed477f8 b6ecbd8f b6e527e6 [ 71.506075] Code: bad PC value [ 71.509165] ---[ end trace 41cacc2ec7df940b ]--- # Segmentation fault # [ 71.123605] lkdtm: Performing direct entry EXEC_USERSPACE # [ 71.129767] lkdtm: attempting ok execution at c0c54734 # [ 71.137788] lkdtm: attempting bad execution at b6f60000 # [ 71.145696] Unhandled prefetch abort: page domain fault (0x00b) at 0xb6f60000 # [ 71.154927] Internal error: : b [#8] SMP ARM # [ 71.161800] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 71.193517] CPU: 1 PID: 2079 Comm: cat Tainted: G D W 5.10.185-cip35 #1 # [ 71.203859] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 71.210416] PC is at 0xb6f60000 # [ 71.213590] LR is at lkdtm_EXEC_USERSPACE+0xc4/0xd4 # [ 71.218493] pc : [] lr : [] psr: 600e0013 # [ 71.224781] sp : c6d37e48 ip : 00000027 fp : c6d37e64 # [ 71.230024] r10: 0000000f r9 : c1aceb84 r8 : c15ead88 # [ 71.235271] r7 : c6d37f60 r6 : 0000000f r5 : c5f5b000 r4 : b6f60000 # [ 71.241818] r3 : cc8b4b76 r2 : cc8b4b76 r1 : ef7965e4 r0 : 0000002b # [ 71.248371] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 71.255530] Control: 10c5387d Table: 16d2404a DAC: 00000051 # [ 71.261301] Process cat (pid: 2079, stack limit = 0x2208227c) # [ 71.267071] Stack: (0xc6d37e48 to 0xc6d38000) # [ 71.271465] 7e40: 00000001 00000000 0000000f 00000024 c6d37e74 c6d37e68 # [ 71.279674] 7e60: c0c539c4 c0c547d0 c6d37e9c c6d37e78 c0c53ec4 c0c539a4 c0c53da4 c5bf68c0 # [ 71.287883] 7e80: b6e1a000 0000000f c51399c0 c6d37f60 c6d37ec4 c6d37ea0 c07e064c c0c53db0 # [ 71.296090] 7ea0: 00000000 c5bf68c0 b6e1a000 c2815800 c6d37f60 c07e05e8 c6d37f5c c6d37ec8 # [ 71.304298] 7ec0: c059acf8 c07e05f4 00000001 00000000 c059b2a4 c139c8e0 c059b2a4 c6d36000 # [ 71.312505] 7ee0: b6e1a000 00020000 00000004 0000000f 0001fff1 c6d37ee0 00000001 b6e19000 # [ 71.320711] 7f00: c5cd7540 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 71.328917] 7f20: 00000000 00000000 c139c8e0 cc8b4b76 c205e380 c5bf68c0 c5bf68c0 c6d36000 # [ 71.337124] 7f40: b6e1a000 00000000 00000000 00000004 c6d37f94 c6d37f60 c059b2a4 c059abf8 # [ 71.345331] 7f60: 00000000 00000000 c6d37fac cc8b4b76 0000000f 0000000f b6f61e00 00000004 # [ 71.353539] 7f80: c03002e4 c6d36000 c6d37fa4 c6d37f98 c059b334 c059b23c 00000000 c6d37fa8 # [ 71.361745] 7fa0: c03000c0 c059b328 0000000f 0000000f 00000001 b6e1a000 0000000f 00000000 # [ 71.369951] 7fc0: 0000000f 0000000f b6f61e00 00000004 00000001 00000000 00020000 bed47ac4 # [ 71.378157] 7fe0: 00000004 bed477f8 b6ecbd8f b6e527e6 800e0030 00000001 00000000 00000000 # [ 71.386351] Backtrace: # [ 71.388851] [] (lkdtm_EXEC_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 71.397401] r4:00000024 # [ 71.399969] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 71.408014] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 71.415963] r9:c6d37f60 r8:c51399c0 r7:0000000f r6:b6e1a000 r5:c5bf68c0 r4:c0c53da4 # [ 71.423747] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 71.431607] r9:c07e05e8 r8:c6d37f60 r7:c2815800 r6:b6e1a000 r5:c5bf68c0 r4:00000000 # [ 71.439386] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 71.446552] r10:00000004 r9:00000000 r8:00000000 r7:b6e1a000 r6:c6d36000 r5:c5bf68c0 # [ 71.454401] r4:c5bf68c0 # [ 71.456968] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 71.464134] r9:c6d36000 r8:c03002e4 r7:00000004 r6:b6f61e00 r5:0000000f r4:0000000f # [ 71.471913] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 71.479502] Exception stack(0xc6d37fa8 to 0xc6d37ff0) # [ 71.484581] 7fa0: 0000000f 0000000f 00000001 b6e1a000 0000000f 00000000 # [ 71.492788] 7fc0: 0000000f 0000000f b6f61e00 00000004 00000001 00000000 00020000 bed47ac4 # [ 71.500989] 7fe0: 00000004 bed477f8 b6ecbd8f b6e527e6 # [ 71.506075] Code: bad PC value # [ 71.509165] ---[ end trace 41cacc2ec7df940b ]--- # EXEC_USERSPACE: missing 'call trace:': [FAIL] not ok 35 selftests: lkdtm: EXEC_USERSPACE.sh # [ 72.006183] lkdtm: Performing direct entry EXEC_NULL exit=1 # selftests: lkdtm: EXEC_[ 72.013181] lkdtm: attempting ok execution at c0c54734 NULL.sh [ 72.021091] lkdtm: attempting bad execution at 00000000 [ 72.027087] 8<--- cut here --- [ 72.030277] Unable to handle kernel NULL pointer dereference at virtual address 00000000 [ 72.039719] pgd = 5318699f [ 72.042759] [00000000] *pgd=00000000 [ 72.046373] Internal error: Oops: 80000005 [#9] SMP ARM [ 72.051606] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi etnaviv imxdrm gpu_sched imx_ipu_v3 [ 72.080642] CPU: 0 PID: 2150 Comm: cat Tainted: G D W 5.10.185-cip35 #1 [ 72.088390] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 72.094927] PC is at 0x0 [ 72.097475] LR is at execute_location+0xa4/0xb4 [ 72.102011] pc : [<00000000>] lr : [] psr: 600e0013 [ 72.108283] sp : c5fe1e38 ip : 00000027 fp : c5fe1e54 [ 72.113511] r10: 0000000a r9 : c1aceb94 r8 : c15ead88 [ 72.118740] r7 : c5fe1f60 r6 : 00000000 r5 : 00000000 r4 : c0c54734 [ 72.125271] r3 : b35ddd95 r2 : b35ddd95 r1 : ef7815e4 r0 : 0000002b [ 72.131804] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 72.138944] Control: 10c5387d Table: 16c6404a DAC: 00000051 [ 72.144695] Process cat (pid: 2150, stack limit = 0x0a31b280) [ 72.150445] Stack: (0xc5fe1e38 to 0xc5fe2000) [ 72.154809] 1e20: 00000025 c69dd000 [ 72.162996] 1e40: 0000000a c5fe1f60 c5fe1e64 c5fe1e58 c1387634 c1387390 c5fe1e74 c5fe1e68 [ 72.171181] 1e60: c0c539c4 c1387620 c5fe1e9c c5fe1e78 c0c53ec4 c0c539a4 c0c53da4 c4745540 [ 72.179367] 1e80: b6ea1000 0000000a c51399c0 c5fe1f60 c5fe1ec4 c5fe1ea0 c07e064c c0c53db0 [ 72.187553] 1ea0: 00000000 c4745540 b6ea1000 c2815800 c5fe1f60 c07e05e8 c5fe1f5c c5fe1ec8 [ 72.195739] 1ec0: c059acf8 c07e05f4 00000001 00000000 c059b2a4 c139c8e0 c059b2a4 c5fe0000 [ 72.203924] 1ee0: b6ea1000 00020000 00000004 0000000a 0001fff6 c5fe1ee0 00000001 b6ea0000 [ 72.212109] 1f00: c5cd7a40 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 72.220296] 1f20: 00000000 00000000 c139c8e0 b35ddd95 c205e380 c4745540 c4745540 c5fe0000 [ 72.228481] 1f40: b6ea1000 00000000 00000000 00000004 c5fe1f94 c5fe1f60 c059b2a4 c059abf8 [ 72.236666] 1f60: 00000000 00000000 c5fe1fac b35ddd95 0000000a 0000000a b6fe8e00 00000004 [ 72.244851] 1f80: c03002e4 c5fe0000 c5fe1fa4 c5fe1f98 c059b334 c059b23c 00000000 c5fe1fa8 [ 72.253034] 1fa0: c03000c0 c059b328 0000000a 0000000a 00000001 b6ea1000 0000000a 00000000 [ 72.261218] 1fc0: 0000000a 0000000a b6fe8e00 00000004 00000001 00000000 00020000 be9dfac4 [ 72.269403] 1fe0: 00000004 be9df7f8 b6f52d8f b6ed97e6 800e0030 00000001 00000000 00000000 [ 72.277582] Backtrace: [ 72.280048] [] (execute_location) from [] (lkdtm_EXEC_NULL+0x20/0x24) [ 72.288233] r7:c5fe1f60 r6:0000000a r5:c69dd000 r4:00000025 [ 72.293905] [] (lkdtm_EXEC_NULL) from [] (lkdtm_do_action+0x2c/0x4c) [ 72.302005] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 72.310023] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 72.317947] r9:c5fe1f60 r8:c51399c0 r7:0000000a r6:b6ea1000 r5:c4745540 r4:c0c53da4 [ 72.325707] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 72.333544] r9:c07e05e8 r8:c5fe1f60 r7:c2815800 r6:b6ea1000 r5:c4745540 r4:00000000 [ 72.341296] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 72.348439] r10:00000004 r9:00000000 r8:00000000 r7:b6ea1000 r6:c5fe0000 r5:c4745540 [ 72.356272] r4:c4745540 [ 72.358816] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 72.365958] r9:c5fe0000 r8:c03002e4 r7:00000004 r6:b6fe8e00 r5:0000000a r4:0000000a [ 72.373712] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 72.381286] Exception stack(0xc5fe1fa8 to 0xc5fe1ff0) [ 72.386344] 1fa0: 0000000a 0000000a 00000001 b6ea1000 0000000a 00000000 [ 72.394528] 1fc0: 0000000a 0000000a b6fe8e00 00000004 00000001 00000000 00020000 be9dfac4 [ 72.402710] 1fe0: 00000004 be9df7f8 b6f52d8f b6ed97e6 [ 72.407771] Code: bad PC value [ 72.410872] ---[ end trace 41cacc2ec7df940c ]--- # Segmentation fault # [ 72.006183] lkdtm: Performing direct entry EXEC_NULL # [ 72.013181] lkdtm: attempting ok execution at c0c54734 # [ 72.021091] lkdtm: attempting bad execution at 00000000 # [ 72.027087] 8<--- cut here --- # [ 72.030277] Unable to handle kernel NULL pointer dereference at virtual address 00000000 # [ 72.039719] pgd = 5318699f # [ 72.042759] [00000000] *pgd=00000000 # [ 72.046373] Internal error: Oops: 80000005 [#9] SMP ARM # [ 72.051606] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 72.080642] CPU: 0 PID: 2150 Comm: cat Tainted: G D W 5.10.185-cip35 #1 # [ 72.088390] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 72.094927] PC is at 0x0 # [ 72.097475] LR is at execute_location+0xa4/0xb4 # [ 72.102011] pc : [<00000000>] lr : [] psr: 600e0013 # [ 72.108283] sp : c5fe1e38 ip : 00000027 fp : c5fe1e54 # [ 72.113511] r10: 0000000a r9 : c1aceb94 r8 : c15ead88 # [ 72.118740] r7 : c5fe1f60 r6 : 00000000 r5 : 00000000 r4 : c0c54734 # [ 72.125271] r3 : b35ddd95 r2 : b35ddd95 r1 : ef7815e4 r0 : 0000002b # [ 72.131804] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 72.138944] Control: 10c5387d Table: 16c6404a DAC: 00000051 # [ 72.144695] Process cat (pid: 2150, stack limit = 0x0a31b280) # [ 72.150445] Stack: (0xc5fe1e38 to 0xc5fe2000) # [ 72.154809] 1e20: 00000025 c69dd000 # [ 72.162996] 1e40: 0000000a c5fe1f60 c5fe1e64 c5fe1e58 c1387634 c1387390 c5fe1e74 c5fe1e68 # [ 72.171181] 1e60: c0c539c4 c1387620 c5fe1e9c c5fe1e78 c0c53ec4 c0c539a4 c0c53da4 c4745540 # [ 72.179367] 1e80: b6ea1000 0000000a c51399c0 c5fe1f60 c5fe1ec4 c5fe1ea0 c07e064c c0c53db0 # [ 72.187553] 1ea0: 00000000 c4745540 b6ea1000 c2815800 c5fe1f60 c07e05e8 c5fe1f5c c5fe1ec8 # [ 72.195739] 1ec0: c059acf8 c07e05f4 00000001 00000000 c059b2a4 c139c8e0 c059b2a4 c5fe0000 # [ 72.203924] 1ee0: b6ea1000 00020000 00000004 0000000a 0001fff6 c5fe1ee0 00000001 b6ea0000 # [ 72.212109] 1f00: c5cd7a40 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 72.220296] 1f20: 00000000 00000000 c139c8e0 b35ddd95 c205e380 c4745540 c4745540 c5fe0000 # [ 72.228481] 1f40: b6ea1000 00000000 00000000 00000004 c5fe1f94 c5fe1f60 c059b2a4 c059abf8 # [ 72.236666] 1f60: 00000000 00000000 c5fe1fac b35ddd95 0000000a 0000000a b6fe8e00 00000004 # [ 72.244851] 1f80: c03002e4 c5fe0000 c5fe1fa4 c5fe1f98 c059b334 c059b23c 00000000 c5fe1fa8 # [ 72.253034] 1fa0: c03000c0 c059b328 0000000a 0000000a 00000001 b6ea1000 0000000a 00000000 # [ 72.261218] 1fc0: 0000000a 0000000a b6fe8e00 00000004 00000001 00000000 00020000 be9dfac4 # [ 72.269403] 1fe0: 00000004 be9df7f8 b6f52d8f b6ed97e6 800e0030 00000001 00000000 00000000 # [ 72.277582] Backtrace: # [ 72.280048] [] (execute_location) from [] (lkdtm_EXEC_NULL+0x20/0x24) # [ 72.288233] r7:c5fe1f60 r6:0000000a r5:c69dd000 r4:00000025 # [ 72.293905] [] (lkdtm_EXEC_NULL) from [] (lkdtm_do_action+0x2c/0x4c) # [ 72.302005] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 72.310023] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 72.317947] r9:c5fe1f60 r8:c51399c0 r7:0000000a r6:b6ea1000 r5:c4745540 r4:c0c53da4 # [ 72.325707] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 72.333544] r9:c07e05e8 r8:c5fe1f60 r7:c2815800 r6:b6ea1000 r5:c4745540 r4:00000000 # [ 72.341296] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 72.348439] r10:00000004 r9:00000000 r8:00000000 r7:b6ea1000 r6:c5fe0000 r5:c4745540 # [ 72.356272] r4:c4745540 # [ 72.358816] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 72.365958] r9:c5fe0000 r8:c03002e4 r7:00000004 r6:b6fe8e00 r5:0000000a r4:0000000a # [ 72.373712] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 72.381286] Exception stack(0xc5fe1fa8 to 0xc5fe1ff0) # [ 72.386344] 1fa0: 0000000a 0000000a 00000001 b6ea1000 0000000a 00000000 # [ 72.394528] 1fc0: 0000000a 0000000a b6fe8e00 00000004 00000001 00000000 00020000 be9dfac4 # [ 72.402710] 1fe0: 00000004 be9df7f8 b6f52d8f b6ed97e6 # [ 72.407771] Code: bad PC value # [ 72.41[ 72.949461] lkdtm: Performing direct entry ACCESS_USERSPACE 0872] ---[ end trace 41cacc2ec7df[ 72.956693] lkdtm: attempting bad read at b6f5c000 940c ]--- # EXEC_NULL: missing '[ 72.964431] 8<--- cut here --- [ 72.970289] Unhandled fault: page domain fault (0x01b) at 0xb6f5c000 [ 72.976655] pgd = 02be75b5 [ 72.979371] [b6f5c000] *pgd=4902d831 [ 72.982968] Internal error: : 1b [#10] SMP ARM [ 72.987420] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi etnaviv imxdrm gpu_sched imx_ipu_v3 [ 73.016486] CPU: 0 PID: 2226 Comm: cat Tainted: G D W 5.10.185-cip35 #1 [ 73.024236] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 73.030781] PC is at lkdtm_ACCESS_USERSPACE+0x114/0x16c [ 73.036028] LR is at __irq_work_queue_local+0x40/0x74 [ 73.041088] pc : [] lr : [] psr: 600e0013 [ 73.047362] sp : c689de38 ip : c689dd40 fp : c689de64 [ 73.052594] r10: 00000011 r9 : c1aceba0 r8 : c15ead88 [ 73.057826] r7 : c689df60 r6 : 00000051 r5 : c689c000 r4 : b6f5c000 [ 73.064361] r3 : 191a2ea6 r2 : 191a2ea6 r1 : ef7815e0 r0 : 00000026 [ 73.070897] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 73.078040] Control: 10c5387d Table: 16e8c04a DAC: 00000051 [ 73.083796] Process cat (pid: 2226, stack limit = 0x0ccad708) [ 73.089550] Stack: (0xc689de38 to 0xc689e000) [ 73.093917] de20: 00000022 00000000 [ 73.102107] de40: 00000000 191a2ea6 c689de6c 00000026 c69dd000 00000011 c689de74 c689de68 [ 73.110297] de60: c0c539c4 c0c548a4 c689de9c c689de78 c0c53ec4 c0c539a4 c0c53da4 c4745680 [ 73.118486] de80: b6e16000 00000011 c51399c0 c689df60 c689dec4 c689dea0 c07e064c c0c53db0 [ 73.126675] dea0: 00000000 c4745680 b6e16000 c2815800 c689df60 c07e05e8 c689df5c c689dec8 [ 73.134863] dec0: c059acf8 c07e05f4 00000001 00000000 c059b2a4 c139c8e0 c059b2a4 c689c000 [ 73.143051] dee0: b6e16000 00020000 00000004 00000011 0001ffef c689dee0 00000001 b6e15000 [ 73.151241] df00: c5bf7680 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 73.159430] df20: 00000000 00000000 c139c8e0 191a2ea6 c205e380 c4745680 c4745680 c689c000 [ 73.167618] df40: b6e16000 00000000 00000000 00000004 c689df94 c689df60 c059b2a4 c059abf8 [ 73.175807] df60: 00000000 00000000 c689dfac 191a2ea6 00000011 00000011 b6f5de00 00000004 [ 73.183996] df80: c03002e4 c689c000 c689dfa4 c689df98 c059b334 c059b23c 00000000 c689dfa8 [ 73.192184] dfa0: c03000c0 c059b328 00000011 00000011 00000001 b6e16000 00000011 00000000 [ 73.200373] dfc0: 00000011 00000011 b6f5de00 00000004 00000001 00000000 00020000 bef28ac4 [ 73.208560] dfe0: 00000004 bef287f8 b6ec7d8f b6e4e7e6 800e0030 00000001 00000000 00000000 [ 73.216743] Backtrace: [ 73.219212] [] (lkdtm_ACCESS_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) [ 73.227924] r6:00000011 r5:c69dd000 r4:00000026 [ 73.232555] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 73.240578] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 73.248509] r9:c689df60 r8:c51399c0 r7:00000011 r6:b6e16000 r5:c4745680 r4:c0c53da4 [ 73.256272] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 73.264115] r9:c07e05e8 r8:c689df60 r7:c2815800 r6:b6e16000 r5:c4745680 r4:00000000 [ 73.271871] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 73.279019] r10:00000004 r9:00000000 r8:00000000 r7:b6e16000 r6:c689c000 r5:c4745680 [ 73.286854] r4:c4745680 [ 73.289403] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 73.296549] r9:c689c000 r8:c03002e4 r7:00000004 r6:b6f5de00 r5:00000011 r4:00000011 [ 73.304307] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 73.311883] Exception stack(0xc689dfa8 to 0xc689dff0) [ 73.316946] dfa0: 00000011 00000011 00000001 b6e16000 00000011 00000000 [ 73.325134] dfc0: 00000011 00000011 b6f5de00 00000004 00000001 00000000 00020000 bef28ac4 [ 73.333318] dfe0: 00000004 bef287f8 b6ec7d8f b6e4e7e6 [ 73.338383] Code: e1a01004 e30f0ac4 e34c01ac eb1c9f18 (e5943000) [ 73.344491] ---[ end trace 41cacc2ec7df940d ]--- call trace:': [FAIL] not ok 36 selftests: lkdtm: EXEC_NULL.sh # exit=1 # selftests: lkdtm: ACCESS_USERSPACE.sh # Segmentation fault # [ 72.949461] lkdtm: Performing direct entry ACCESS_USERSPACE # [ 72.956693] lkdtm: attempting bad read at b6f5c000 # [ 72.964431] 8<--- cut here --- # [ 72.970289] Unhandled fault: page domain fault (0x01b) at 0xb6f5c000 # [ 72.976655] pgd = 02be75b5 # [ 72.979371] [b6f5c000] *pgd=4902d831 # [ 72.982968] Internal error: : 1b [#10] SMP ARM # [ 72.987420] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 73.016486] CPU: 0 PID: 2226 Comm: cat Tainted: G D W 5.10.185-cip35 #1 # [ 73.024236] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 73.030781] PC is at lkdtm_ACCESS_USERSPACE+0x114/0x16c # [ 73.036028] LR is at __irq_work_queue_local+0x40/0x74 # [ 73.041088] pc : [] lr : [] psr: 600e0013 # [ 73.047362] sp : c689de38 ip : c689dd40 fp : c689de64 # [ 73.052594] r10: 00000011 r9 : c1aceba0 r8 : c15ead88 # [ 73.057826] r7 : c689df60 r6 : 00000051 r5 : c689c000 r4 : b6f5c000 # [ 73.064361] r3 : 191a2ea6 r2 : 191a2ea6 r1 : ef7815e0 r0 : 00000026 # [ 73.070897] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 73.078040] Control: 10c5387d Table: 16e8c04a DAC: 00000051 # [ 73.083796] Process cat (pid: 2226, stack limit = 0x0ccad708) # [ 73.089550] Stack: (0xc689de38 to 0xc689e000) # [ 73.093917] de20: 00000022 00000000 # [ 73.102107] de40: 00000000 191a2ea6 c689de6c 00000026 c69dd000 00000011 c689de74 c689de68 # [ 73.110297] de60: c0c539c4 c0c548a4 c689de9c c689de78 c0c53ec4 c0c539a4 c0c53da4 c4745680 # [ 73.118486] de80: b6e16000 00000011 c51399c0 c689df60 c689dec4 c689dea0 c07e064c c0c53db0 # [ 73.126675] dea0: 00000000 c4745680 b6e16000 c2815800 c689df60 c07e05e8 c689df5c c689dec8 # [ 73.134863] dec0: c059acf8 c07e05f4 00000001 00000000 c059b2a4 c139c8e0 c059b2a4 c689c000 # [ 73.143051] dee0: b6e16000 00020000 00000004 00000011 0001ffef c689dee0 00000001 b6e15000 # [ 73.151241] df00: c5bf7680 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 73.159430] df20: 00000000 00000000 c139c8e0 191a2ea6 c205e380 c4745680 c4745680 c689c000 # [ 73.167618] df40: b6e16000 00000000 00000000 00000004 c689df94 c689df60 c059b2a4 c059abf8 # [ 73.175807] df60: 00000000 00000000 c689dfac 191a2ea6 00000011 00000011 b6f5de00 00000004 # [ 73.183996] df80: c03002e4 c689c000 c689dfa4 c689df98 c059b334 c059b23c 00000000 c689dfa8 # [ 73.192184] dfa0: c03000c0 c059b328 00000011 00000011 00000001 b6e16000 00000011 00000000 # [ 73.200373] dfc0: 00000011 00000011 b6f5de00 00000004 00000001 00000000 00020000 bef28ac4 # [ 73.208560] dfe0: 00000004 bef287f8 b6ec7d8f b6e4e7e6 800e0030 00000001 00000000 00000000 # [ 73.216743] Backtrace: # [ 73.219212] [] (lkdtm_ACCESS_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 73.227924] r6:00000011 r5:c69dd000 r4:00000026 # [ 73.232555] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 73.240578] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 73.248509] r9:c689df60 r8:c51399c0 r7:00000011 r6:b6e16000 r5:c4745680 r4:c0c53da4 # [ 73.256272] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 73.264115] r9:c07e05e8 r8:c689df60 r7:c2815800 r6:b6e16000 r5:c4745680 r4:00000000 # [ 73.271871] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 73.279019] r10:00000004 r9:00000000 r8:00000000 r7:b6e16000 r6:c689c000 r5:c4745680 # [ 73.286854] r4:c4745680 # [ 73.289403] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 73.296549] r9:c689c000 r8:c03002e4 r7:00000004 r6:b6f5de00 r5:00000011 r4:00000011 # [ 73.304307] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 73.311883] Exception stack(0xc689dfa8 to 0xc689dff0) # [ 73.316946] dfa0: 00000011 00000011 00000001 b6e16000 00000011 00000000 # [ 73.325134] dfc0: 00000011 00000011 b6f5de00 00000004 00000001 00000000 00020000 bef28ac4 # [ 73.333318] dfe0: 00000004 bef287f8 b6ec7d8f b6e4e7e6 [ 73.891797] lkdtm: Performing direct entry ACCESS_NULL # [ 73.338383] Code: e1a01004 e[ 73.899141] lkdtm: attempting bad read at 00000000 30f0ac4 e34c01ac eb1c9f18 (e59[4 73.906754] 8<--- cut here --- 000) # [ 73.344491] ---[ end [ 73.912663] Unable to handle kernel NULL pointer dereference at virtual address 00000000 trace 41cacc2ec7df940d ]--- # AC[ 73.923515] pgd = 2b377231 CESS_USERSPACE: missing 'call tra[ 73.929076] [00000000] *pgd=00000000 ce:': [FAIL] not ok 37 s[e l f t3.935466] Internal error: Oops: 5 [#11] SMP ARM ests: lkdtm: ACCESS_USERSPACE.sh [ 73.942592] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi etnaviv imxdrm gpu_sched imx_ipu_v3 # exit=1 # self[t e s t7s3:. 9l74300] CPU: 1 PID: 2301 Comm: cat Tainted: G D W 5.10.185-cip35 #1 dtm: ACC[E S S _7N3U.L9L8.4s1h2 2] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 73.992399] PC is at lkdtm_ACCESS_NULL+0x28/0x68 [ 73.997026] LR is at 0x0 [ 73.999566] pc : [] lr : [<00000000>] psr: 600e0013 [ 74.005836] sp : c6e8de50 ip : 00000027 fp : c6e8de64 [ 74.011066] r10: 0000000c r9 : c1acebb4 r8 : c15ead88 [ 74.016296] r7 : c6e8df60 r6 : 0000000c r5 : c5f5b000 r4 : 00000000 [ 74.022827] r3 : fce8a596 r2 : fce8a596 r1 : ef7965e4 r0 : 00000026 [ 74.029361] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 74.036501] Control: 10c5387d Table: 1472004a DAC: 00000051 [ 74.042253] Process cat (pid: 2301, stack limit = 0xfe6f4916) [ 74.048006] Stack: (0xc6e8de50 to 0xc6e8e000) [ 74.052370] de40: 00000027 c5f5b000 c6e8de74 c6e8de68 [ 74.060556] de60: c0c539c4 c1387644 c6e8de9c c6e8de78 c0c53ec4 c0c539a4 c0c53da4 c5bf6000 [ 74.068742] de80: b6e91000 0000000c c51399c0 c6e8df60 c6e8dec4 c6e8dea0 c07e064c c0c53db0 [ 74.076929] dea0: 00000000 c5bf6000 b6e91000 c2815800 c6e8df60 c07e05e8 c6e8df5c c6e8dec8 [ 74.085114] dec0: c059acf8 c07e05f4 00000001 00000000 c059b2a4 c139c8e0 c059b2a4 c6e8c000 [ 74.093299] dee0: b6e91000 00020000 00000004 0000000c 0001fff4 c6e8dee0 00000001 b6e90000 [ 74.101483] df00: c596d2c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 74.109670] df20: 00000000 00000000 c139c8e0 fce8a596 c205e380 c5bf6000 c5bf6000 c6e8c000 [ 74.117854] df40: b6e91000 00000000 00000000 00000004 c6e8df94 c6e8df60 c059b2a4 c059abf8 [ 74.126039] df60: 00000000 00000000 c6e8dfac fce8a596 0000000c 0000000c b6fd8e00 00000004 [ 74.134225] df80: c03002e4 c6e8c000 c6e8dfa4 c6e8df98 c059b334 c059b23c 00000000 c6e8dfa8 [ 74.142410] dfa0: c03000c0 c059b328 0000000c 0000000c 00000001 b6e91000 0000000c 00000000 [ 74.150595] dfc0: 0000000c 0000000c b6fd8e00 00000004 00000001 00000000 00020000 be803ac4 [ 74.158782] dfe0: 00000004 be8037f8 b6f42d8f b6ec97e6 800e0030 00000001 00000000 00000000 [ 74.166962] Backtrace: [ 74.169429] [] (lkdtm_ACCESS_NULL) from [] (lkdtm_do_action+0x2c/0x4c) [ 74.177698] r5:c5f5b000 r4:00000027 [ 74.181285] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 74.189303] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 74.197230] r9:c6e8df60 r8:c51399c0 r7:0000000c r6:b6e91000 r5:c5bf6000 r4:c0c53da4 [ 74.204988] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 74.212826] r9:c07e05e8 r8:c6e8df60 r7:c2815800 r6:b6e91000 r5:c5bf6000 r4:00000000 [ 74.220578] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 74.227721] r10:00000004 r9:00000000 r8:00000000 r7:b6e91000 r6:c6e8c000 r5:c5bf6000 [ 74.235556] r4:c5bf6000 [ 74.238101] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 74.245245] r9:c6e8c000 r8:c03002e4 r7:00000004 r6:b6fd8e00 r5:0000000c r4:0000000c [ 74.253000] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 74.260574] Exception stack(0xc6e8dfa8 to 0xc6e8dff0) [ 74.265636] dfa0: 0000000c 0000000c 00000001 b6e91000 0000000c 00000000 [ 74.273823] dfc0: 0000000c 0000000c b6fd8e00 00000004 00000001 00000000 00020000 be803ac4 [ 74.282007] dfe0: 00000004 be8037f8 b6f42d8f b6ec97e6 [ 74.287068] Code: e30f0ac4 e34c01ac e1a01004 ebffd3eb (e5945000) [ 74.293243] ---[ end trace 41cacc2ec7df940e ]--- # Segmentation fault # [ 73.891797] lkdtm: Performing direct entry ACCESS_NULL # [ 73.899141] lkdtm: attempting bad read at 00000000 # [ 73.906754] 8<--- cut here --- # [ 73.912663] Unable to handle kernel NULL pointer dereference at virtual address 00000000 # [ 73.923515] pgd = 2b377231 # [ 73.929076] [00000000] *pgd=00000000 # [ 73.935466] Internal error: Oops: 5 [#11] SMP ARM # [ 73.942592] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 73.974300] CPU: 1 PID: 2301 Comm: cat Tainted: G D W 5.10.185-cip35 #1 # [ 73.984122] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 73.992399] PC is at lkdtm_ACCESS_NULL+0x28/0x68 # [ 73.997026] LR is at 0x0 # [ 73.999566] pc : [] lr : [<00000000>] psr: 600e0013 # [ 74.005836] sp : c6e8de50 ip : 00000027 fp : c6e8de64 # [ 74.011066] r10: 0000000c r9 : c1acebb4 r8 : c15ead88 # [ 74.016296] r7 : c6e8df60 r6 : 0000000c r5 : c5f5b000 r4 : 00000000 # [ 74.022827] r3 : fce8a596 r2 : fce8a596 r1 : ef7965e4 r0 : 00000026 # [ 74.029361] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 74.036501] Control: 10c5387d Table: 1472004a DAC: 00000051 # [ 74.042253] Process cat (pid: 2301, stack limit = 0xfe6f4916) # [ 74.048006] Stack: (0xc6e8de50 to 0xc6e8e000) # [ 74.052370] de40: 00000027 c5f5b000 c6e8de74 c6e8de68 # [ 74.060556] de60: c0c539c4 c1387644 c6e8de9c c6e8de78 c0c53ec4 c0c539a4 c0c53da4 c5bf6000 # [ 74.068742] de80: b6e91000 0000000c c51399c0 c6e8df60 c6e8dec4 c6e8dea0 c07e064c c0c53db0 # [ 74.076929] dea0: 00000000 c5bf6000 b6e91000 c2815800 c6e8df60 c07e05e8 c6e8df5c c6e8dec8 # [ 74.085114] dec0: c059acf8 c07e05f4 00000001 00000000 c059b2a4 c139c8e0 c059b2a4 c6e8c000 # [ 74.093299] dee0: b6e91000 00020000 00000004 0000000c 0001fff4 c6e8dee0 00000001 b6e90000 # [ 74.101483] df00: c596d2c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 74.109670] df20: 00000000 00000000 c139c8e0 fce8a596 c205e380 c5bf6000 c5bf6000 c6e8c000 # [ 74.117854] df40: b6e91000 00000000 00000000 00000004 c6e8df94 c6e8df60 c059b2a4 c059abf8 # [ 74.126039] df60: 00000000 00000000 c6e8dfac fce8a596 0000000c 0000000c b6fd8e00 00000004 # [ 74.134225] df80: c03002e4 c6e8c000 c6e8dfa4 c6e8df98 c059b334 c059b23c 00000000 c6e8dfa8 # [ 74.142410] dfa0: c03000c0 c059b328 0000000c 0000000c 00000001 b6e91000 0000000c 00000000 # [ 74.150595] dfc0: 0000000c 0000000c b6fd8e00 00000004 00000001 00000000 00020000 be803ac4 # [ 74.158782] dfe0: 00000004 be8037f8 b6f42d8f b6ec97e6 800e0030 00000001 00000000 00000000 # [ 74.166962] Backtrace: # [ 74.169429] [] (lkdtm_ACCESS_NULL) from [] (lkdtm_do_action+0x2c/0x4c) # [ 74.177698] r5:c5f5b000 r4:00000027 # [ 74.181285] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 74.189303] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 74.197230] r9:c6e8df60 r8:c51399c0 r7:0000000c r6:b6e91000 r5:c5bf6000 r4:c0c53da4 # [ 74.204988] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 74.212826] r9:c07e05e8 r8:c6e8df60 r7:c2815800 r6:b6e91000 r5:c5bf6000 r4:00000000 # [ 74.220578] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 74.227721] r10:00000004 r9:00000000 r8:00000000 r7:b6e91000 r6:c6e8c000 r5:c5bf6000 # [ 74.235556] r4:c5bf6000 # [ 74.238101] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 74.245245] r9:c6e8c000 r8:c03002e4 r7:00000004 r6:b6fd8e00 r5:0000000c r4:0000000c # [ 74.253000] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 74.260574] Exception stack(0xc6e8dfa8 to 0xc6e8dff0) # [ 74.265636] dfa0: 0000000c 0000000c 00000001 b6e91000 0000000c 00000000 # [ 74.273823] dfc0: 0000000c 0000000c b6fd8e00 00000004 00000001 00000000 00020000 be803ac4 # [ 74.282007] dfe0: 00000004 be8037f8 b6f42d8f b6ec97e6 # [ 74.287068] Code[ 74.834163] lkdtm: Performing direct entry WRITE_RO : e30f0ac4 e34c01ac e1a01004 ebff[ 74.841305] lkdtm: attempting bad rodata write at c15eb020 d3eb (e5945000) # [ 74.293243[ 74.849744] 8<--- cut here --- ] ---[ end trace 41cacc[2 e c 77d.855507] Unable to handle kernel paging request at virtual address c15eb020 f940e ]--- # ACCESS[_ N U L7L4:.865067] pgd = a1fe3c7b missing 'call trace:': [FAIL] [n 74.870023] [c15eb020] *pgd=1141941e(bad) ot ok 38 selftests: lk[d t m :7 4.876722] Internal error: Oops: 80d [#12] SMP ARM CCESS_NULL.sh # exit=1 # selftes[ 74.883934] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi etnaviv imxdrm gpu_sched imx_ipu_v3 ts: lkdtm: WRITE_RO.sh [ 74.915636] CPU: 1 PID: 2375 Comm: cat Tainted: G D W 5.10.185-cip35 #1 [ 74.925449] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 74.931993] PC is at lkdtm_WRITE_RO+0x44/0x50 [ 74.936367] LR is at __irq_work_queue_local+0x40/0x74 [ 74.941423] pc : [] lr : [] psr: 600e0013 [ 74.947696] sp : c5c71e50 ip : c5c71d58 fp : c5c71e64 [ 74.952925] r10: 00000009 r9 : c1acebc0 r8 : c15ead88 [ 74.958156] r7 : c5c71f60 r6 : 00000009 r5 : c5df2000 r4 : c15eb020 [ 74.964688] r3 : 0198b861 r2 : aa55aa55 r1 : ef7965e0 r0 : c1acf9c4 [ 74.971222] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 74.978363] Control: 10c5387d Table: 16c6004a DAC: 00000051 [ 74.984114] Process cat (pid: 2375, stack limit = 0x2c4de70d) [ 74.989865] Stack: (0xc5c71e50 to 0xc5c72000) [ 74.994230] 1e40: 00000028 c5df2000 c5c71e74 c5c71e68 [ 75.002416] 1e60: c0c539c4 c1387444 c5c71e9c c5c71e78 c0c53ec4 c0c539a4 c0c53da4 c5bf6dc0 [ 75.010602] 1e80: b6ea9000 00000009 c51399c0 c5c71f60 c5c71ec4 c5c71ea0 c07e064c c0c53db0 [ 75.018787] 1ea0: 00000000 c5bf6dc0 b6ea9000 c2815800 c5c71f60 c07e05e8 c5c71f5c c5c71ec8 [ 75.026972] 1ec0: c059acf8 c07e05f4 00000001 00000000 c059b2a4 c139c8e0 c059b2a4 c5c70000 [ 75.035159] 1ee0: b6ea9000 00020000 00000004 00000009 0001fff7 c5c71ee0 00000001 b6ea8000 [ 75.043343] 1f00: c4745cc0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 75.051530] 1f20: 00000000 00000000 c139c8e0 57f66f4f c205e380 c5bf6dc0 c5bf6dc0 c5c70000 [ 75.059715] 1f40: b6ea9000 00000000 00000000 00000004 c5c71f94 c5c71f60 c059b2a4 c059abf8 [ 75.067900] 1f60: 00000000 00000000 c5c71fac 57f66f4f 00000009 00000009 b6ff0e00 00000004 [ 75.076085] 1f80: c03002e4 c5c70000 c5c71fa4 c5c71f98 c059b334 c059b23c 00000000 c5c71fa8 [ 75.084270] 1fa0: c03000c0 c059b328 00000009 00000009 00000001 b6ea9000 00000009 00000000 [ 75.092455] 1fc0: 00000009 00000009 b6ff0e00 00000004 00000001 00000000 00020000 bed77ac4 [ 75.100639] 1fe0: 00000004 bed777f8 b6f5ad8f b6ee17e6 800e0030 00000001 00000000 00000000 [ 75.108819] Backtrace: [ 75.111288] [] (lkdtm_WRITE_RO) from [] (lkdtm_do_action+0x2c/0x4c) [ 75.119299] r5:c5df2000 r4:00000028 [ 75.122885] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 75.130903] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 75.138829] r9:c5c71f60 r8:c51399c0 r7:00000009 r6:b6ea9000 r5:c5bf6dc0 r4:c0c53da4 [ 75.146587] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 75.154424] r9:c07e05e8 r8:c5c71f60 r7:c2815800 r6:b6ea9000 r5:c5bf6dc0 r4:00000000 [ 75.162176] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 75.169320] r10:00000004 r9:00000000 r8:00000000 r7:b6ea9000 r6:c5c70000 r5:c5bf6dc0 [ 75.177154] r4:c5bf6dc0 [ 75.179700] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 75.186845] r9:c5c70000 r8:c03002e4 r7:00000004 r6:b6ff0e00 r5:00000009 r4:00000009 [ 75.194600] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 75.202172] Exception stack(0xc5c71fa8 to 0xc5c71ff0) [ 75.207230] 1fa0: 00000009 00000009 00000001 b6ea9000 00000009 00000000 [ 75.215413] 1fc0: 00000009 00000009 b6ff0e00 00000004 00000001 00000000 00020000 bed77ac4 [ 75.223596] 1fe0: 00000004 bed777f8 b6f5ad8f b6ee17e6 [ 75.228657] Code: e34a3bcd e30f09c4 e34c01ac e0233002 (e5843000) [ 75.234760] ---[ end trace 41cacc2ec7df940f ]--- # Segmentation fault # [ 74.834163] lkdtm: Performing direct entry WRITE_RO # [ 74.841305] lkdtm: attempting bad rodata write at c15eb020 # [ 74.849744] 8<--- cut here --- # [ 74.855507] Unable to handle kernel paging request at virtual address c15eb020 # [ 74.865067] pgd = a1fe3c7b # [ 74.870023] [c15eb020] *pgd=1141941e(bad) # [ 74.876722] Internal error: Oops: 80d [#12] SMP ARM # [ 74.883934] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 74.915636] CPU: 1 PID: 2375 Comm: cat Tainted: G D W 5.10.185-cip35 #1 # [ 74.925449] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 74.931993] PC is at lkdtm_WRITE_RO+0x44/0x50 # [ 74.936367] LR is at __irq_work_queue_local+0x40/0x74 # [ 74.941423] pc : [] lr : [] psr: 600e0013 # [ 74.947696] sp : c5c71e50 ip : c5c71d58 fp : c5c71e64 # [ 74.952925] r10: 00000009 r9 : c1acebc0 r8 : c15ead88 # [ 74.958156] r7 : c5c71f60 r6 : 00000009 r5 : c5df2000 r4 : c15eb020 # [ 74.964688] r3 : 0198b861 r2 : aa55aa55 r1 : ef7965e0 r0 : c1acf9c4 # [ 74.971222] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 74.978363] Control: 10c5387d Table: 16c6004a DAC: 00000051 # [ 74.984114] Process cat (pid: 2375, stack limit = 0x2c4de70d) # [ 74.989865] Stack: (0xc5c71e50 to 0xc5c72000) # [ 74.994230] 1e40: 00000028 c5df2000 c5c71e74 c5c71e68 # [ 75.002416] 1e60: c0c539c4 c1387444 c5c71e9c c5c71e78 c0c53ec4 c0c539a4 c0c53da4 c5bf6dc0 # [ 75.010602] 1e80: b6ea9000 00000009 c51399c0 c5c71f60 c5c71ec4 c5c71ea0 c07e064c c0c53db0 # [ 75.018787] 1ea0: 00000000 c5bf6dc0 b6ea9000 c2815800 c5c71f60 c07e05e8 c5c71f5c c5c71ec8 # [ 75.026972] 1ec0: c059acf8 c07e05f4 00000001 00000000 c059b2a4 c139c8e0 c059b2a4 c5c70000 # [ 75.035159] 1ee0: b6ea9000 00020000 00000004 00000009 0001fff7 c5c71ee0 00000001 b6ea8000 # [ 75.043343] 1f00: c4745cc0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 75.051530] 1f20: 00000000 00000000 c139c8e0 57f66f4f c205e380 c5bf6dc0 c5bf6dc0 c5c70000 # [ 75.059715] 1f40: b6ea9000 00000000 00000000 00000004 c5c71f94 c5c71f60 c059b2a4 c059abf8 # [ 75.067900] 1f60: 00000000 00000000 c5c71fac 57f66f4f 00000009 00000009 b6ff0e00 00000004 # [ 75.076085] 1f80: c03002e4 c5c70000 c5c71fa4 c5c71f98 c059b334 c059b23c 00000000 c5c71fa8 # [ 75.084270] 1fa0: c03000c0 c059b328 00000009 00000009 00000001 b6ea9000 00000009 00000000 # [ 75.092455] 1fc0: 00000009 00000009 b6ff0e00 00000004 00000001 00000000 00020000 bed77ac4 # [ 75.100639] 1fe0: 00000004 bed777f8 b6f5ad8f b6ee17e6 800e0030 00000001 00000000 00000000 # [ 75.108819] Backtrace: # [ 75.111288] [] (lkdtm_WRITE_RO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 75.119299] r5:c5df2000 r4:00000028 # [ 75.122885] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 75.130903] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 75.138829] r9:c5c71f60 r8:c51399c0 r7:00000009 r6:b6ea9000 r5:c5bf6dc0 r4:c0c53da4 # [ 75.146587] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 75.154424] r9:c07e05e8 r8:c5c71f60 r7:c2815800 r6:b6ea9000 r5:c5bf6dc0 r4:00000000 # [ 75.162176] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 75.169320] r10:00000004 r9:00000000 r8:00000000 r7:b6ea9000 r6:c5c70000 r5:c5bf6dc0 # [ 75.177154] r4:c5bf6dc0 # [ 75.179700] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 75.186845] r9:c5c70000 r8:c03002e4 r7:00000004 r6:b6ff0e00 r5:00000009 r4:00000009 # [ 75.194600] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 75.202172] Exception stack(0xc5c71fa8 to 0xc5c71ff0) # [ 75.207230] 1fa0: 00000009 00000009 00000001 b6ea9000 00000009 00000000 # [ 75.215413] 1fc0: 00000009 00000009 b6ff0e00 00000004 00000001 00000000 00020000 bed77ac4 # [ 75.223596] 1fe0: 00000004 bed777f8 b6f5ad8f b6ee17e6 # [ 75.228657] Code: e34a3bcd e30f09c4 e34c01ac e0233002 (e5843000) # [ 75.234760] ---[ end trace 41cacc2ec7df940f ]--- # WRITE_RO: missing 'call trace:': [FAIL] not ok 39 selftests: lkdtm: WRITE_RO.sh # exit=1 # selftests: lkdtm: WRITE_RO_AFTER_INIT.sh [ 75.757520] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT [ 75.763551] lkdtm: attempting bad ro_after_init write at c1b80c60 [ 75.769724] 8<--- cut here --- [ 75.772799] Unable to handle kernel paging request at virtual address c1b80c60 [ 75.780044] pgd = bc4f38d1 [ 75.782774] [c1b80c60] *pgd=11a1941e(bad) [ 75.786841] Internal error: Oops: 80d [#13] SMP ARM [ 75.791743] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi etnaviv imxdrm gpu_sched imx_ipu_v3 [ 75.821032] CPU: 0 PID: 2449 Comm: cat Tainted: G D W 5.10.185-cip35 #1 [ 75.828798] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 75.835370] PC is at lkdtm_WRITE_RO_AFTER_INIT+0x64/0x70 [ 75.840727] LR is at __irq_work_queue_local+0x40/0x74 [ 75.845802] pc : [] lr : [] psr: 600e0013 [ 75.852089] sp : c6e89e50 ip : c6e89d58 fp : c6e89e64 [ 75.857333] r10: 00000014 r9 : c1acebcc r8 : c15ead88 [ 75.862578] r7 : c6e89f60 r6 : 00000014 r5 : c6eac000 r4 : c1b80c60 [ 75.869128] r3 : fe67479e r2 : 55aa55aa r1 : ef7815e0 r0 : c1acf9c4 [ 75.875679] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 75.882840] Control: 10c5387d Table: 16c7004a DAC: 00000051 [ 75.888611] Process cat (pid: 2449, stack limit = 0xe9a796cf) [ 75.894381] Stack: (0xc6e89e50 to 0xc6e8a000) [ 75.898770] 9e40: 00000029 c6eac000 c6e89e74 c6e89e68 [ 75.906979] 9e60: c0c539c4 c1387494 c6e89e9c c6e89e78 c0c53ec4 c0c539a4 c0c53da4 c5a6d180 [ 75.915187] 9e80: b6ead000 00000014 c51399c0 c6e89f60 c6e89ec4 c6e89ea0 c07e064c c0c53db0 [ 75.923396] 9ea0: 00000000 c5a6d180 b6ead000 c2815800 c6e89f60 c07e05e8 c6e89f5c c6e89ec8 [ 75.931604] 9ec0: c059acf8 c07e05f4 00000001 00000000 c059b2a4 c139c8e0 c059b2a4 c6e88000 [ 75.939811] 9ee0: b6ead000 00020000 00000004 00000014 0001ffec c6e89ee0 00000001 b6eac000 [ 75.948017] 9f00: c4744640 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 75.956224] 9f20: 00000000 00000000 c139c8e0 bfaa0ad0 c205e380 c5a6d180 c5a6d180 c6e88000 [ 75.964433] 9f40: b6ead000 00000000 00000000 00000004 c6e89f94 c6e89f60 c059b2a4 c059abf8 [ 75.972641] 9f60: 00000000 00000000 c6e89fac bfaa0ad0 00000014 00000014 b6ff4e00 00000004 [ 75.980848] 9f80: c03002e4 c6e88000 c6e89fa4 c6e89f98 c059b334 c059b23c 00000000 c6e89fa8 [ 75.989056] 9fa0: c03000c0 c059b328 00000014 00000014 00000001 b6ead000 00000014 00000000 [ 75.997263] 9fc0: 00000014 00000014 b6ff4e00 00000004 00000001 00000000 00020000 bea9aac4 [ 76.005471] 9fe0: 00000004 bea9a7f8 b6f5ed8f b6ee57e6 800e0030 00000001 00000000 00000000 [ 76.013665] Backtrace: [ 76.016172] [] (lkdtm_WRITE_RO_AFTER_INIT) from [] (lkdtm_do_action+0x2c/0x4c) [ 76.025161] r5:c6eac000 r4:00000029 [ 76.028772] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 76.036819] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 76.044769] r9:c6e89f60 r8:c51399c0 r7:00000014 r6:b6ead000 r5:c5a6d180 r4:c0c53da4 [ 76.052554] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 76.060415] r9:c07e05e8 r8:c6e89f60 r7:c2815800 r6:b6ead000 r5:c5a6d180 r4:00000000 [ 76.068190] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 76.075356] r10:00000004 r9:00000000 r8:00000000 r7:b6ead000 r6:c6e88000 r5:c5a6d180 [ 76.083204] r4:c5a6d180 [ 76.085771] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 76.092936] r9:c6e88000 r8:c03002e4 r7:00000004 r6:b6ff4e00 r5:00000014 r4:00000014 [ 76.100715] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 76.108304] Exception stack(0xc6e89fa8 to 0xc6e89ff0) [ 76.113384] 9fa0: 00000014 00000014 00000001 b6ead000 00000014 00000000 [ 76.121592] 9fc0: 00000014 00000014 b6ff4e00 00000004 00000001 00000000 00020000 bea9aac4 [ 76.129793] 9fe0: 00000004 bea9a7f8 b6f5ed8f b6ee57e6 [ 76.134877] Code: e34a3bcd e30f09c4 e34c01ac e0233002 (e5843000) [ 76.141002] ---[ end trace 41cacc2ec7df9410 ]--- # Segmentation fault # [ 75.757520] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT # [ 75.763551] lkdtm: attempting bad ro_after_init write at c1b80c60 # [ 75.769724] 8<--- cut here --- # [ 75.772799] Unable to handle kernel paging request at virtual address c1b80c60 # [ 75.780044] pgd = bc4f38d1 # [ 75.782774] [c1b80c60] *pgd=11a1941e(bad) # [ 75.786841] Internal error: Oops: 80d [#13] SMP ARM # [ 75.791743] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 75.821032] CPU: 0 PID: 2449 Comm: cat Tainted: G D W 5.10.185-cip35 #1 # [ 75.828798] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 75.835370] PC is at lkdtm_WRITE_RO_AFTER_INIT+0x64/0x70 # [ 75.840727] LR is at __irq_work_queue_local+0x40/0x74 # [ 75.845802] pc : [] lr : [] psr: 600e0013 # [ 75.852089] sp : c6e89e50 ip : c6e89d58 fp : c6e89e64 # [ 75.857333] r10: 00000014 r9 : c1acebcc r8 : c15ead88 # [ 75.862578] r7 : c6e89f60 r6 : 00000014 r5 : c6eac000 r4 : c1b80c60 # [ 75.869128] r3 : fe67479e r2 : 55aa55aa r1 : ef7815e0 r0 : c1acf9c4 # [ 75.875679] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 75.882840] Control: 10c5387d Table: 16c7004a DAC: 00000051 # [ 75.888611] Process cat (pid: 2449, stack limit = 0xe9a796cf) # [ 75.894381] Stack: (0xc6e89e50 to 0xc6e8a000) # [ 75.898770] 9e40: 00000029 c6eac000 c6e89e74 c6e89e68 # [ 75.906979] 9e60: c0c539c4 c1387494 c6e89e9c c6e89e78 c0c53ec4 c0c539a4 c0c53da4 c5a6d180 # [ 75.915187] 9e80: b6ead000 00000014 c51399c0 c6e89f60 c6e89ec4 c6e89ea0 c07e064c c0c53db0 # [ 75.923396] 9ea0: 00000000 c5a6d180 b6ead000 c2815800 c6e89f60 c07e05e8 c6e89f5c c6e89ec8 # [ 75.931604] 9ec0: c059acf8 c07e05f4 00000001 00000000 c059b2a4 c139c8e0 c059b2a4 c6e88000 # [ 75.939811] 9ee0: b6ead000 00020000 00000004 00000014 0001ffec c6e89ee0 00000001 b6eac000 # [ 75.948017] 9f00: c4744640 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 75.956224] 9f20: 00000000 00000000 c139c8e0 bfaa0ad0 c205e380 c5a6d180 c5a6d180 c6e88000 # [ 75.964433] 9f40: b6ead000 00000000 00000000 00000004 c6e89f94 c6e89f60 c059b2a4 c059abf8 # [ 75.972641] 9f60: 00000000 00000000 c6e89fac bfaa0ad0 00000014 00000014 b6ff4e00 00000004 # [ 75.980848] 9f80: c03002e4 c6e88000 c6e89fa4 c6e89f98 c059b334 c059b23c 00000000 c6e89fa8 # [ 75.989056] 9fa0: c03000c0 c059b328 00000014 00000014 00000001 b6ead000 00000014 00000000 # [ 75.997263] 9fc0: 00000014 00000014 b6ff4e00 00000004 00000001 00000000 00020000 bea9aac4 # [ 76.005471] 9fe0: 00000004 bea9a7f8 b6f5ed8f b6ee57e6 800e0030 00000001 00000000 00000000 # [ 76.013665] Backtrace: # [ 76.016172] [] (lkdtm_WRITE_RO_AFTER_INIT) from [] (lkdtm_do_action+0x2c/0x4c) # [ 76.025161] r5:c6eac000 r4:00000029 # [ 76.028772] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 76.036819] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 76.044769] r9:c6e89f60 r8:c51399c0 r7:00000014 r6:b6ead000 r5:c5a6d180 r4:c0c53da4 # [ 76.052554] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 76.060415] r9:c07e05e8 r8:c6e89f60 r7:c2815800 r6:b6ead000 r5:c5a6d180 r4:00000000 # [ 76.068190] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 76.075356] r10:00000004 r9:00000000 r8:00000000 r7:b6ead000 r6:c6e88000 r5:c5a6d180 # [ 76.083204] r4:c5a6d180 # [ 76.085771] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 76.092936] r9:c6e88000 r8:c03002e4 r7:00000004 r6:b6ff4e00 r5:00000014 r4:00000014 # [ 76.100715] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 76.108304] Exception stack(0xc6e89fa8 to 0xc6e89ff0) # [ 76.113384] 9fa0: 00000014 00000014 00000001 b6ead000 00000014 00000000 # [ 76.121592] 9fc0: 00000014 00000014 b6ff4e00 00000004 00000001 00000000 00020000 bea9aac4 # [ 76.129793] 9f[ 76.663065] lkdtm: Performing direct entry WRITE_KERN e0: 00000004 bea9a7f8 b6f5ed8f b6[ 76.669665] lkdtm: attempting bad 7547948 byte write at c1387360 ee57e6 # [ 76.134877] Code: e3[ 76.678556] 8<--- cut here --- 4a3bcd e30f09c4 e34c01a[c e 072.684368] Unable to handle kernel paging request at virtual address c1387360 33002 (e5843000) # [ 76.[1 4 76.693942] pgd = 8559ce14 002] ---[ end trace 41cacc2ec7df9[ 76.699252] [c1387360] *pgd=1121940e(bad) 410 ]--- # WRITE_RO_AFTER_INIT[: 76.706143] Internal error: Oops: 80d [#14] SMP ARM missing 'call trace:': [FAIL] n[ 76.713711] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi etnaviv imxdrm gpu_sched imx_ipu_v3 ot ok 40 selftests: lkdtm: WRITE_ 76.745430] CPU: 3 PID: 2523 Comm: cat Tainted: G D W 5.10.185-cip35 #1 RO_AFTER_INIT.sh # [e x i t7=61. 55945] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # selftests: lkdtm: WRITE_KERN.s[ 76.764663] PC is at memcpy+0x50/0x330 h [ 76.771273] LR is at 0xe92dd830 [ 76.774677] pc : [] lr : [] psr: 200e0013 [ 76.780966] sp : c6f2be2c ip : e1a0c00d fp : c6f2be64 [ 76.786211] r10: 0000000b r9 : c1acebe0 r8 : e89da800 [ 76.791457] r7 : e8bd4000 r6 : e52de004 r5 : e24cb004 r4 : e92dd800 [ 76.798007] r3 : e1a0c00d r2 : 00732b8c r1 : c0c54754 r0 : c1387360 [ 76.804560] Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 76.811718] Control: 10c5387d Table: 15c8c04a DAC: 00000051 [ 76.817487] Process cat (pid: 2523, stack limit = 0xda20eca8) [ 76.823254] Stack: (0xc6f2be2c to 0xc6f2c000) [ 76.827643] be20: c0c54734 00732c2c c6f2bf60 c15ead88 c1387360 [ 76.835851] be40: c1387360 c1387544 0000002a c5a35000 0000000b c6f2bf60 c6f2be74 c6f2be68 [ 76.844061] be60: c0c539c4 c1387504 c6f2be9c c6f2be78 c0c53ec4 c0c539a4 c0c53da4 c5bf68c0 [ 76.852269] be80: b6dcc000 0000000b c51399c0 c6f2bf60 c6f2bec4 c6f2bea0 c07e064c c0c53db0 [ 76.860478] bea0: 00000000 c5bf68c0 b6dcc000 c2815800 c6f2bf60 c07e05e8 c6f2bf5c c6f2bec8 [ 76.868686] bec0: c059acf8 c07e05f4 00000001 00000000 c059b2a4 c139c8e0 c059b2a4 c6f2a000 [ 76.876894] bee0: b6dcc000 00020000 00000004 0000000b 0001fff5 c6f2bee0 00000001 b6dcb000 [ 76.885101] bf00: c5a6cf00 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 76.893309] bf20: 00000000 00000000 c139c8e0 4c8b40d5 c205e380 c5bf68c0 c5bf68c0 c6f2a000 [ 76.901519] bf40: b6dcc000 00000000 00000000 00000004 c6f2bf94 c6f2bf60 c059b2a4 c059abf8 [ 76.909728] bf60: 00000000 00000000 c6f2bfac 4c8b40d5 0000000b 0000000b b6f13e00 00000004 [ 76.917936] bf80: c03002e4 c6f2a000 c6f2bfa4 c6f2bf98 c059b334 c059b23c 00000000 c6f2bfa8 [ 76.926144] bfa0: c03000c0 c059b328 0000000b 0000000b 00000001 b6dcc000 0000000b 00000000 [ 76.934351] bfc0: 0000000b 0000000b b6f13e00 00000004 00000001 00000000 00020000 be955ac4 [ 76.942556] bfe0: 00000004 be9557f8 b6e7dd8f b6e047e6 800e0030 00000001 00000000 00000000 [ 76.950751] Backtrace: [ 76.953262] [] (lkdtm_WRITE_KERN) from [] (lkdtm_do_action+0x2c/0x4c) [ 76.961473] r7:c6f2bf60 r6:0000000b r5:c5a35000 r4:0000002a [ 76.967170] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 76.975216] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 76.983165] r9:c6f2bf60 r8:c51399c0 r7:0000000b r6:b6dcc000 r5:c5bf68c0 r4:c0c53da4 [ 76.990951] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 76.998813] r9:c07e05e8 r8:c6f2bf60 r7:c2815800 r6:b6dcc000 r5:c5bf68c0 r4:00000000 [ 77.006591] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 77.013760] r10:00000004 r9:00000000 r8:00000000 r7:b6dcc000 r6:c6f2a000 r5:c5bf68c0 [ 77.021609] r4:c5bf68c0 [ 77.024179] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 77.031346] r9:c6f2a000 r8:c03002e4 r7:00000004 r6:b6f13e00 r5:0000000b r4:0000000b [ 77.039126] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 77.046716] Exception stack(0xc6f2bfa8 to 0xc6f2bff0) [ 77.051795] bfa0: 0000000b 0000000b 00000001 b6dcc000 0000000b 00000000 [ 77.060001] bfc0: 0000000b 0000000b b6f13e00 00000004 00000001 00000000 00020000 be955ac4 [ 77.068202] bfe0: 00000004 be9557f8 b6e7dd8f b6e047e6 [ 77.073286] Code: f5d1f05c f5d1f07c e8b151f8 e2522020 (e8a051f8) [ 77.079413] ---[ end trace 41cacc2ec7df9411 ]--- # Segmentation fault # [ 76.663065] lkdtm: Performing direct entry WRITE_KERN # [ 76.669665] lkdtm: attempting bad 7547948 byte write at c1387360 # [ 76.678556] 8<--- cut here --- # [ 76.684368] Unable to handle kernel paging request at virtual address c1387360 # [ 76.693942] pgd = 8559ce14 # [ 76.699252] [c1387360] *pgd=1121940e(bad) # [ 76.706143] Internal error: Oops: 80d [#14] SMP ARM # [ 76.713711] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 76.745430] CPU: 3 PID: 2523 Comm: cat Tainted: G D W 5.10.185-cip35 #1 # [ 76.755945] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 76.764663] PC is at memcpy+0x50/0x330 # [ 76.771273] LR is at 0xe92dd830 # [ 76.774677] pc : [] lr : [] psr: 200e0013 # [ 76.780966] sp : c6f2be2c ip : e1a0c00d fp : c6f2be64 # [ 76.786211] r10: 0000000b r9 : c1acebe0 r8 : e89da800 # [ 76.791457] r7 : e8bd4000 r6 : e52de004 r5 : e24cb004 r4 : e92dd800 # [ 76.798007] r3 : e1a0c00d r2 : 00732b8c r1 : c0c54754 r0 : c1387360 # [ 76.804560] Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 76.811718] Control: 10c5387d Table: 15c8c04a DAC: 00000051 # [ 76.817487] Process cat (pid: 2523, stack limit = 0xda20eca8) # [ 76.823254] Stack: (0xc6f2be2c to 0xc6f2c000) # [ 76.827643] be20: c0c54734 00732c2c c6f2bf60 c15ead88 c1387360 # [ 76.835851] be40: c1387360 c1387544 0000002a c5a35000 0000000b c6f2bf60 c6f2be74 c6f2be68 # [ 76.844061] be60: c0c539c4 c1387504 c6f2be9c c6f2be78 c0c53ec4 c0c539a4 c0c53da4 c5bf68c0 # [ 76.852269] be80: b6dcc000 0000000b c51399c0 c6f2bf60 c6f2bec4 c6f2bea0 c07e064c c0c53db0 # [ 76.860478] bea0: 00000000 c5bf68c0 b6dcc000 c2815800 c6f2bf60 c07e05e8 c6f2bf5c c6f2bec8 # [ 76.868686] bec0: c059acf8 c07e05f4 00000001 00000000 c059b2a4 c139c8e0 c059b2a4 c6f2a000 # [ 76.876894] bee0: b6dcc000 00020000 00000004 0000000b 0001fff5 c6f2bee0 00000001 b6dcb000 # [ 76.885101] bf00: c5a6cf00 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 76.893309] bf20: 00000000 00000000 c139c8e0 4c8b40d5 c205e380 c5bf68c0 c5bf68c0 c6f2a000 # [ 76.901519] bf40: b6dcc000 00000000 00000000 00000004 c6f2bf94 c6f2bf60 c059b2a4 c059abf8 # [ 76.909728] bf60: 00000000 00000000 c6f2bfac 4c8b40d5 0000000b 0000000b b6f13e00 00000004 # [ 76.917936] bf80: c03002e4 c6f2a000 c6f2bfa4 c6f2bf98 c059b334 c059b23c 00000000 c6f2bfa8 # [ 76.926144] bfa0: c03000c0 c059b328 0000000b 0000000b 00000001 b6dcc000 0000000b 00000000 # [ 76.934351] bfc0: 0000000b 0000000b b6f13e00 00000004 00000001 00000000 00020000 be955ac4 # [ 76.942556] bfe0: 00000004 be9557f8 b6e7dd8f b6e047e6 800e0030 00000001 00000000 00000000 # [ 76.950751] Backtrace: # [ 76.953262] [] (lkdtm_WRITE_KERN) from [] (lkdtm_do_action+0x2c/0x4c) # [ 76.961473] r7:c6f2bf60 r6:0000000b r5:c5a35000 r4:0000002a # [ 76.967170] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 76.975216] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 76.983165] r9:c6f2bf60 r8:c51399c0 r7:0000000b r6:b6dcc000 r5:c5bf68c0 r4:c0c53da4 # [ 76.990951] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 76.998813] r9:c07e05e8 r8:c6f2bf60 r7:c2815800 r6:b6dcc000 r5:c5bf68c0 r4:00000000 # [ 77.006591] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 77.013760] r10:00000004 r9:00000000 r8:00000000 r7:b6dcc000 r6:c6f2a000 r5:c5bf68c0 # [ 77.021609] r4:c5bf68c0 # [ 77.024179] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 77.031346] r9:c6f2a000 r8:c03002e4 r7:00000004 r6:b6f13e00 r5:0000000b r4:0000000b # [ 77.039126] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 77.046716] Exception stack(0xc6f2bfa8 to 0xc6f2bff0) # [ 77.051795] bfa0: 0000000b 0000000b 00000001 b6dcc000 0000000b 00000000 # [ 77.060001] bfc0: 0000000b 0000000b b6f13e00 00000004 00000001 00000000 00020000 be955ac4 # [ 77.068202] bfe0: 00000004 be9557f8 b6e7dd8f b6e047e6 # [ 77.073286] Code: f5d1f05c f5d1f07c e8b151f8 e2522020 (e8a051f8) # [ 77.079413] ---[ end trace 41cacc2ec7df9411 ]--- # WRITE_KERN: missing 'call trace:': [FAIL] not ok 41 selftests: lkdtm: WRITE_KERN.sh # exit=1 # selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh [ 77.616237] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW [ 77.624541] lkdtm: attempting good refcount_inc() without overflow [ 77.630837] lkdtm: attempting bad refcount_inc() overflow [ 77.636277] ------------[ cut here ]------------ [ 77.640957] WARNING: CPU: 1 PID: 2598 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 [ 77.649431] refcount_t: saturated; leaking memory. [ 77.654231] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi etnaviv imxdrm gpu_sched imx_ipu_v3 [ 77.683377] CPU: 1 PID: 2598 Comm: cat Tainted: G D W 5.10.185-cip35 #1 [ 77.691126] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 77.697658] Backtrace: [ 77.700127] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 77.707705] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 [ 77.713377] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 77.720700] [] (dump_stack) from [] (__warn+0x98/0x14c) [ 77.727669] r9:00000009 r8:c0873c30 r7:00000016 r6:00000009 r5:c0873c30 r4:c1a22e44 [ 77.735422] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 77.742912] r7:00000016 r6:c1a22e44 r5:c1a22e1c r4:c5b7e000 [ 77.748582] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) [ 77.757548] r9:c1acebec r8:c15ead88 r7:c5b7ff60 r6:00000016 r5:c5df1000 r4:c5b7e000 [ 77.765305] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) [ 77.774974] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_OVERFLOW+0x78/0x9c) [ 77.785074] [] (lkdtm_REFCOUNT_INC_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) [ 77.794210] r4:0000002b [ 77.796754] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 77.804771] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 77.812695] r9:c5b7ff60 r8:c51399c0 r7:00000016 r6:b6eab000 r5:c59c6c80 r4:c0c53da4 [ 77.820453] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 77.828290] r9:c07e05e8 r8:c5b7ff60 r7:c2815800 r6:b6eab000 r5:c59c6c80 r4:00000000 [ 77.836041] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 77.843184] r10:00000004 r9:00000000 r8:00000000 r7:b6eab000 r6:c5b7e000 r5:c59c6c80 [ 77.851016] r4:c59c6c80 [ 77.853560] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 77.860704] r9:c5b7e000 r8:c03002e4 r7:00000004 r6:b6ff2e00 r5:00000016 r4:00000016 [ 77.868459] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 77.876032] Exception stack(0xc5b7ffa8 to 0xc5b7fff0) [ 77.881092] ffa0: 00000016 00000016 00000001 b6eab000 00000016 00000000 [ 77.889277] ffc0: 00000016 00000016 b6ff2e00 00000004 00000001 00000000 00020000 bea6aac4 [ 77.897459] ffe0: 00000004 bea6a7f8 b6f5cd8f b6ee37e6 [ 77.902601] irq event stamp: 0 [ 77.905677] hardirqs last enabled at (0): [<00000000>] 0x0 [ 77.911294] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 [ 77.918879] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 [ 77.926391] softirqs last disabled at (0): [<00000000>] 0x0 [ 77.932023] ---[ end trace 41cacc2ec7df9412 ]--- [ 77.936657] lkdtm: Overflow detected: saturated # [ 77.616237] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW # [ 77.624541] lkdtm: attempting good refcount_inc() without overflow # [ 77.630837] lkdtm: attempting bad refcount_inc() overflow # [ 77.636277] ------------[ cut here ]------------ # [ 77.640957] WARNING: CPU: 1 PID: 2598 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 77.649431] refcount_t: saturated; leaking memory. # [ 77.654231] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 77.683377] CPU: 1 PID: 2598 Comm: cat Tainted: G D W 5.10.185-cip35 #1 # [ 77.691126] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 77.697658] Backtrace: # [ 77.700127] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 77.707705] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 # [ 77.713377] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 77.720700] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 77.727669] r9:00000009 r8:c0873c30 r7:00000016 r6:00000009 r5:c0873c30 r4:c1a22e44 # [ 77.735422] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 77.742912] r7:00000016 r6:c1a22e44 r5:c1a22e1c r4:c5b7e000 # [ 77.748582] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 77.757548] r9:c1acebec r8:c15ead88 r7:c5b7ff60 r6:00000016 r5:c5df1000 r4:c5b7e000 # [ 77.765305] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 77.774974] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_OVERFLOW+0x78/0x9c) # [ 77.785074] [] (lkdtm_REFCOUNT_INC_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 77.794210] r4:0000002b # [ 77.796754] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 77.804771] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 77.812695] r9:c5b7ff60 r8:c51399c0 r7:00000016 r6:b6eab000 r5:c59c6c80 r4:c0c53da4 # [ 77.820453] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 77.828290] r9:c07e05e8 r8:c5b7ff60 r7:c2815800 r6:b6eab000 r5:c59c6c80 r4:00000000 # [ 77.836041] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 77.843184] r10:00000004 r9:00000000 r8:00000000 r7:b6eab000 r6:c5b7e000 r5:c59c6c80 # [ 77.851016] r4:c59c6c80 # [ 77.853560] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 77.860704] r9:c5b7e000 r8:c03002e4 r7:00000004 r6:b6ff2e00 r5:00000016 r4:00000016 # [ 77.868459] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 77.876032] Exception stack(0xc5b7ffa8 to 0xc5b7fff0) # [ 77.881092] ffa0: 00000016 00000016 00000001 b6eab000 00000016 00000000 # [ 77.889277] ffc0: 00000016 00000016 b6ff2e00 00000004 00000001 00000000 00020000 bea6aac4 # [ 77.897459] ffe0: 00000004 bea6a7f8 b6f5cd8f b6ee37e6 # [ 77.902601] irq event stamp: 0 # [ 77.905677] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 77.911294] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 # [ 77.918879] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 # [ 77.926391] softirqs last disabled at (0): [<00000000>] 0x0 # [ 77.932023] ---[ end trace 41cacc2ec7df9412 ]--- # [ 77.936657] lkdtm: Overflow detected: saturated # REFCOUNT_INC_OVERFLOW: missing 'call trace:': [FAIL] not ok 42 selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh # exit=1 # selftests: lkdtm: REFCOUNT_ADD_OVERFLOW.sh [ 78.383041] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW [ 78.389136] lkdtm: attempting good refcount_add() without overflow [ 78.395333] lkdtm: attempting bad refcount_add() overflow [ 78.400794] ------------[ cut here ]------------ [ 78.405443] WARNING: CPU: 1 PID: 2632 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 [ 78.413943] refcount_t: saturated; leaking memory. [ 78.418781] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi etnaviv imxdrm gpu_sched imx_ipu_v3 [ 78.448006] CPU: 1 PID: 2632 Comm: cat Tainted: G D W 5.10.185-cip35 #1 [ 78.455761] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 78.462297] Backtrace: [ 78.464773] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 78.472356] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 [ 78.478031] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 78.485360] [] (dump_stack) from [] (__warn+0x98/0x14c) [ 78.492335] r9:00000009 r8:c0873c30 r7:00000016 r6:00000009 r5:c0873c30 r4:c1a22e44 [ 78.500094] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 78.507587] r7:00000016 r6:c1a22e44 r5:c1a22e1c r4:c6b22000 [ 78.513259] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) [ 78.522231] r9:c1acec04 r8:c15ead88 r7:c6b23f60 r6:00000016 r5:c5df1000 r4:c6b22000 [ 78.529991] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) [ 78.539667] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_OVERFLOW+0x84/0xa8) [ 78.549769] [] (lkdtm_REFCOUNT_ADD_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) [ 78.558908] r4:0000002c [ 78.561453] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 78.569475] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 78.577403] r9:c6b23f60 r8:c51399c0 r7:00000016 r6:b6dbc000 r5:c4745e00 r4:c0c53da4 [ 78.585167] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 78.593008] r9:c07e05e8 r8:c6b23f60 r7:c2815800 r6:b6dbc000 r5:c4745e00 r4:00000000 [ 78.600763] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 78.607909] r10:00000004 r9:00000000 r8:00000000 r7:b6dbc000 r6:c6b22000 r5:c4745e00 [ 78.615745] r4:c4745e00 [ 78.618292] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 78.625438] r9:c6b22000 r8:c03002e4 r7:00000004 r6:b6f03e00 r5:00000016 r4:00000016 [ 78.633195] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 78.640773] Exception stack(0xc6b23fa8 to 0xc6b23ff0) [ 78.645837] 3fa0: 00000016 00000016 00000001 b6dbc000 00000016 00000000 [ 78.654028] 3fc0: 00000016 00000016 b6f03e00 00000004 00000001 00000000 00020000 bedc5ac4 [ 78.662214] 3fe0: 00000004 bedc57f8 b6e6dd8f b6df47e6 [ 78.667347] irq event stamp: 0 [ 78.670450] hardirqs last enabled at (0): [<00000000>] 0x0 [ 78.676044] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 [ 78.683593] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 [ 78.691145] softirqs last disabled at (0): [<00000000>] 0x0 [ 78.696747] ---[ end trace 41cacc2ec7df9413 ]--- [ 78.701422] lkdtm: Overflow detected: saturated # [ 78.383041] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW # [ 78.389136] lkdtm: attempting good refcount_add() without overflow # [ 78.395333] lkdtm: attempting bad refcount_add() overflow # [ 78.400794] ------------[ cut here ]------------ # [ 78.405443] WARNING: CPU: 1 PID: 2632 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 78.413943] refcount_t: saturated; leaking memory. # [ 78.418781] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 78.448006] CPU: 1 PID: 2632 Comm: cat Tainted: G D W 5.10.185-cip35 #1 # [ 78.455761] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 78.462297] Backtrace: # [ 78.464773] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 78.472356] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 # [ 78.478031] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 78.485360] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 78.492335] r9:00000009 r8:c0873c30 r7:00000016 r6:00000009 r5:c0873c30 r4:c1a22e44 # [ 78.500094] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 78.507587] r7:00000016 r6:c1a22e44 r5:c1a22e1c r4:c6b22000 # [ 78.513259] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 78.522231] r9:c1acec04 r8:c15ead88 r7:c6b23f60 r6:00000016 r5:c5df1000 r4:c6b22000 # [ 78.529991] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 78.539667] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_OVERFLOW+0x84/0xa8) # [ 78.549769] [] (lkdtm_REFCOUNT_ADD_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 78.558908] r4:0000002c # [ 78.561453] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 78.569475] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 78.577403] r9:c6b23f60 r8:c51399c0 r7:00000016 r6:b6dbc000 r5:c4745e00 r4:c0c53da4 # [ 78.585167] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 78.593008] r9:c07e05e8 r8:c6b23f60 r7:c2815800 r6:b6dbc000 r5:c4745e00 r4:00000000 # [ 78.600763] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 78.607909] r10:00000004 r9:00000000 r8:00000000 r7:b6dbc000 r6:c6b22000 r5:c4745e00 # [ 78.615745] r4:c4745e00 # [ 78.618292] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 78.625438] r9:c6b22000 r8:c03002e4 r7:00000004 r6:b6f03e00 r5:00000016 r4:00000016 # [ 78.633195] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 78.640773] Exception stack(0xc6b23fa8 to 0xc6b23ff0) # [ 78.645837] 3fa0: 00000016 00000016 00000001 b6dbc000 00000016 00000000 # [ 78.654028] 3fc0: 00000016 00000016 b6f03e00 00000004 00000001 00000000 00020000 bedc5ac4 # [ 78.662214] 3fe0: 00000004 bedc57f8 b6e6dd8f b6df47e6 # [ 78.667347] irq event stamp: 0 # [ 78.670450] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 78.676044] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 # [ 78.683593] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 # [ 78.691145] softirqs last disabled at (0): [<00000000>] 0x0 # [ 78.696747] ---[ end trace 41cacc2ec7df9413 ]--- # [ 78.701422] lkdtm: Overflow detected: saturated # REFCOUNT_ADD_OVERFLOW: missing 'call trace:': [FAIL] not ok 43 selftests: lkdtm: REFCOUNT_ADD_[ 79.134954] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW OVERFLOW.sh # exit=1 # selftests[ 79.144157] lkdtm: attempting bad refcount_inc_not_zero() overflow : lkdtm: REFCOUNT_INC_NOT_ZERO_OV[ 79.153100] ------------[ cut here ]------------ ERFLOW.sh [ 79.160651] WARNING: CPU: 1 PID: 2666 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 [ 79.169950] refcount_t: saturated; leaking memory. [ 79.174751] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi etnaviv imxdrm gpu_sched imx_ipu_v3 [ 79.203924] CPU: 1 PID: 2666 Comm: cat Tainted: G D W 5.10.185-cip35 #1 [ 79.211674] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 79.218207] Backtrace: [ 79.220677] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 79.228257] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 [ 79.233928] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 79.241251] [] (dump_stack) from [] (__warn+0x98/0x14c) [ 79.248223] r9:00000009 r8:c0873bfc r7:00000013 r6:00000009 r5:c0873bfc r4:c1a22e44 [ 79.255975] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 79.263464] r7:00000013 r6:c1a22e44 r5:c1a22e1c r4:c5c70000 [ 79.269134] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) [ 79.278101] r9:c1acec1c r8:c15ead88 r7:c5c71f60 r6:0000001f r5:c5fe3000 r4:7fffffff [ 79.285861] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) [ 79.296307] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x50/0x88) [ 79.307962] r5:c5fe3000 r4:c5c70000 [ 79.311551] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) [ 79.321468] r4:0000002d [ 79.324010] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 79.332026] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 79.339950] r9:c5c71f60 r8:c51399c0 r7:0000001f r6:b6e3d000 r5:c4744c80 r4:c0c53da4 [ 79.347707] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 79.355544] r9:c07e05e8 r8:c5c71f60 r7:c2815800 r6:b6e3d000 r5:c4744c80 r4:00000000 [ 79.363296] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 79.370439] r10:00000004 r9:00000000 r8:00000000 r7:b6e3d000 r6:c5c70000 r5:c4744c80 [ 79.378271] r4:c4744c80 [ 79.380815] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 79.387958] r9:c5c70000 r8:c03002e4 r7:00000004 r6:b6f84e00 r5:0000001f r4:0000001f [ 79.395713] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 79.403287] Exception stack(0xc5c71fa8 to 0xc5c71ff0) [ 79.408349] 1fa0: 0000001f 0000001f 00000001 b6e3d000 0000001f 00000000 [ 79.416534] 1fc0: 0000001f 0000001f b6f84e00 00000004 00000001 00000000 00020000 beb83ac4 [ 79.424717] 1fe0: 00000004 beb837f8 b6eeed8f b6e757e6 [ 79.429841] irq event stamp: 0 [ 79.432913] hardirqs last enabled at (0): [<00000000>] 0x0 [ 79.438533] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 [ 79.446055] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 [ 79.453658] softirqs last disabled at (0): [<00000000>] 0x0 [ 79.459287] ---[ end trace 41cacc2ec7df9414 ]--- [ 79.463917] lkdtm: Overflow detected: saturated # [ 79.134954] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 79.144157] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 79.153100] ------------[ cut here ]------------ # [ 79.160651] WARNING: CPU: 1 PID: 2666 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 79.169950] refcount_t: saturated; leaking memory. # [ 79.174751] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 79.203924] CPU: 1 PID: 2666 Comm: cat Tainted: G D W 5.10.185-cip35 #1 # [ 79.211674] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 79.218207] Backtrace: # [ 79.220677] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 79.228257] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 # [ 79.233928] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 79.241251] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 79.248223] r9:00000009 r8:c0873bfc r7:00000013 r6:00000009 r5:c0873bfc r4:c1a22e44 # [ 79.255975] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 79.263464] r7:00000013 r6:c1a22e44 r5:c1a22e1c r4:c5c70000 # [ 79.269134] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 79.278101] r9:c1acec1c r8:c15ead88 r7:c5c71f60 r6:0000001f r5:c5fe3000 r4:7fffffff # [ 79.285861] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 79.296307] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x50/0x88) # [ 79.307962] r5:c5fe3000 r4:c5c70000 # [ 79.311551] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 79.321468] r4:0000002d # [ 79.324010] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 79.332026] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 79.339950] r9:c5c71f60 r8:c51399c0 r7:0000001f r6:b6e3d000 r5:c4744c80 r4:c0c53da4 # [ 79.347707] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 79.355544] r9:c07e05e8 r8:c5c71f60 r7:c2815800 r6:b6e3d000 r5:c4744c80 r4:00000000 # [ 79.363296] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 79.370439] r10:00000004 r9:00000000 r8:00000000 r7:b6e3d000 r6:c5c70000 r5:c4744c80 # [ 79.378271] r4:c4744c80 # [ 79.380815] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 79.387958] r9:c5c70000 r8:c03002e4 r7:00000004 r6:b6f84e00 r5:0000001f r4:0000001f # [ 79.395713] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 79.403287] Exception stack(0xc5c71fa8 to 0xc5c71ff0) # [ 79.408349] 1fa0: 0000001f 0000001f 00000001 b6e3d000 0000001f 00000000 # [ 79.416534] 1fc0: 0000001f 0000001f b6f84e00 00000004 00000001 00000000 00020000 beb83ac4 # [ 79.424717] 1fe0: 00000004 beb837f8 b6eeed8f b6e757e6 # [ 79.429841] irq event stamp: 0 # [ 79.432913] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 79.438533] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 # [ 79.446055] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 # [ 79.453658] softirqs last disabled at (0): [<00000000>] 0x0 # [ 79.459287] ---[ end trace 41cacc2ec7df9414 ]--- # [ 79.463917] lkdtm: Overflow detected: saturated # REFCOUNT_INC_NOT_ZERO_OVERFLOW: missing 'call trace:': [FAIL] not ok 44 selftests: lkdtm: REFCOUN[ 79.906013] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW T_INC_NOT_ZERO_OVERFLOW.sh # exit[ 79.913267] lkdtm: attempting bad refcount_add_not_zero() overflow =1 # selftests: lkdtm: REFCOUNT_[ 79.922310] ------------[ cut here ]------------ ADD_NOT_ZERO_OVERFLOW.sh [ 79.929860] WARNING: CPU: 3 PID: 2700 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 [ 79.940463] refcount_t: saturated; leaking memory. [ 79.945264] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi etnaviv imxdrm gpu_sched imx_ipu_v3 [ 79.974427] CPU: 3 PID: 2700 Comm: cat Tainted: G D W 5.10.185-cip35 #1 [ 79.982178] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 79.988710] Backtrace: [ 79.991179] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 79.998758] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 [ 80.004428] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 80.011753] [] (dump_stack) from [] (__warn+0x98/0x14c) [ 80.018723] r9:00000009 r8:c0873bfc r7:00000013 r6:00000009 r5:c0873bfc r4:c1a22e44 [ 80.026476] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 80.033965] r7:00000013 r6:c1a22e44 r5:c1a22e1c r4:c5fe0000 [ 80.039635] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) [ 80.048601] r9:c1acec3c r8:c15ead88 r7:c5fe1f60 r6:0000001f r5:c5ea4000 r4:7fffffff [ 80.056360] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) [ 80.066807] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x50/0x88) [ 80.078461] r5:c5ea4000 r4:c5fe0000 [ 80.082049] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) [ 80.091968] r4:0000002e [ 80.094512] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 80.102531] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 80.110456] r9:c5fe1f60 r8:c51399c0 r7:0000001f r6:b6e57000 r5:c2f94640 r4:c0c53da4 [ 80.118214] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 80.126053] r9:c07e05e8 r8:c5fe1f60 r7:c2815800 r6:b6e57000 r5:c2f94640 r4:00000000 [ 80.133804] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 80.140946] r10:00000004 r9:00000000 r8:00000000 r7:b6e57000 r6:c5fe0000 r5:c2f94640 [ 80.148779] r4:c2f94640 [ 80.151322] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 80.158467] r9:c5fe0000 r8:c03002e4 r7:00000004 r6:b6f9ee00 r5:0000001f r4:0000001f [ 80.166220] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 80.173794] Exception stack(0xc5fe1fa8 to 0xc5fe1ff0) [ 80.178854] 1fa0: 0000001f 0000001f 00000001 b6e57000 0000001f 00000000 [ 80.187040] 1fc0: 0000001f 0000001f b6f9ee00 00000004 00000001 00000000 00020000 be938ac4 [ 80.195223] 1fe0: 00000004 be9387f8 b6f08d8f b6e8f7e6 [ 80.200339] irq event stamp: 0 [ 80.203412] hardirqs last enabled at (0): [<00000000>] 0x0 [ 80.209027] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 [ 80.216526] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 [ 80.224070] softirqs last disabled at (0): [<00000000>] 0x0 [ 80.229687] ---[ end trace 41cacc2ec7df9415 ]--- [ 80.234322] lkdtm: Overflow detected: saturated # [ 79.906013] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 79.913267] lkdtm: attempting bad refcount_add_not_zero() overflow # [ 79.922310] ------------[ cut here ]------------ # [ 79.929860] WARNING: CPU: 3 PID: 2700 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 79.940463] refcount_t: saturated; leaking memory. # [ 79.945264] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 79.974427] CPU: 3 PID: 2700 Comm: cat Tainted: G D W 5.10.185-cip35 #1 # [ 79.982178] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 79.988710] Backtrace: # [ 79.991179] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 79.998758] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 # [ 80.004428] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 80.011753] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 80.018723] r9:00000009 r8:c0873bfc r7:00000013 r6:00000009 r5:c0873bfc r4:c1a22e44 # [ 80.026476] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 80.033965] r7:00000013 r6:c1a22e44 r5:c1a22e1c r4:c5fe0000 # [ 80.039635] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 80.048601] r9:c1acec3c r8:c15ead88 r7:c5fe1f60 r6:0000001f r5:c5ea4000 r4:7fffffff # [ 80.056360] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 80.066807] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x50/0x88) # [ 80.078461] r5:c5ea4000 r4:c5fe0000 # [ 80.082049] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 80.091968] r4:0000002e # [ 80.094512] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 80.102531] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 80.110456] r9:c5fe1f60 r8:c51399c0 r7:0000001f r6:b6e57000 r5:c2f94640 r4:c0c53da4 # [ 80.118214] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 80.126053] r9:c07e05e8 r8:c5fe1f60 r7:c2815800 r6:b6e57000 r5:c2f94640 r4:00000000 # [ 80.133804] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 80.140946] r10:00000004 r9:00000000 r8:00000000 r7:b6e57000 r6:c5fe0000 r5:c2f94640 # [ 80.148779] r4:c2f94640 # [ 80.151322] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 80.158467] r9:c5fe0000 r8:c03002e4 r7:00000004 r6:b6f9ee00 r5:0000001f r4:0000001f # [ 80.166220] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 80.173794] Exception stack(0xc5fe1fa8 to 0xc5fe1ff0) # [ 80.178854] 1fa0: 0000001f 0000001f 00000001 b6e57000 0000001f 00000000 # [ 80.187040] 1fc0: 0000001f 0000001f b6f9ee00 00000004 00000001 00000000 00020000 be938ac4 # [ 80.195223] 1fe0: 00000004 be9387f8 b6f08d8f b6e8f7e6 # [ 80.200339] irq event stamp: 0 # [ 80.203412] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 80.209027] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 # [ 80.216526] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 # [ 80.224070] softirqs last disabled at (0): [<00000000>] 0x0 # [ 80.229687] ---[ end trace 41cacc2ec7df9415 ]--- # [ 80.234322] 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_[ 80.680032] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO DEC_ZERO.sh [ 80.687766] lkdtm: attempting good refcount_dec() [ 80.693505] lkdtm: attempting bad refcount_dec() to zero [ 80.698894] ------------[ cut here ]------------ [ 80.703552] WARNING: CPU: 3 PID: 2734 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 [ 80.712057] refcount_t: decrement hit 0; leaking memory. [ 80.717381] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi etnaviv imxdrm gpu_sched imx_ipu_v3 [ 80.746575] CPU: 3 PID: 2734 Comm: cat Tainted: G D W 5.10.185-cip35 #1 [ 80.754324] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 80.760857] Backtrace: [ 80.763329] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 80.770908] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 [ 80.776578] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 80.783902] [] (dump_stack) from [] (__warn+0x98/0x14c) [ 80.790874] r9:00000009 r8:c0873bc8 r7:0000001f r6:00000009 r5:c0873bc8 r4:c1a22e44 [ 80.798627] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 80.806117] r7:0000001f r6:c1a22e44 r5:c1a22ea8 r4:c47f8000 [ 80.811787] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) [ 80.820753] r9:c1acec5c r8:c15ead88 r7:c47f9f60 r6:00000012 r5:c5ea4000 r4:c47f8000 [ 80.828512] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) [ 80.838177] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_ZERO+0x5c/0xd8) [ 80.847929] [] (lkdtm_REFCOUNT_DEC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) [ 80.856717] r4:0000002f [ 80.859261] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 80.867277] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 80.875202] r9:c47f9f60 r8:c51399c0 r7:00000012 r6:b6e54000 r5:c6a5c780 r4:c0c53da4 [ 80.882959] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 80.890798] r9:c07e05e8 r8:c47f9f60 r7:c2815800 r6:b6e54000 r5:c6a5c780 r4:00000000 [ 80.898550] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 80.905692] r10:00000004 r9:00000000 r8:00000000 r7:b6e54000 r6:c47f8000 r5:c6a5c780 [ 80.913524] r4:c6a5c780 [ 80.916067] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 80.923210] r9:c47f8000 r8:c03002e4 r7:00000004 r6:b6f9be00 r5:00000012 r4:00000012 [ 80.930964] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 80.938537] Exception stack(0xc47f9fa8 to 0xc47f9ff0) [ 80.943598] 9fa0: 00000012 00000012 00000001 b6e54000 00000012 00000000 [ 80.951785] 9fc0: 00000012 00000012 b6f9be00 00000004 00000001 00000000 00020000 bef8cac4 [ 80.959968] 9fe0: 00000004 bef8c7f8 b6f05d8f b6e8c7e6 [ 80.965078] irq event stamp: 0 [ 80.968171] hardirqs last enabled at (0): [<00000000>] 0x0 [ 80.973762] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 [ 80.981305] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 [ 80.988844] softirqs last disabled at (0): [<00000000>] 0x0 [ 80.994432] ---[ end trace 41cacc2ec7df9416 ]--- [ 80.999087] lkdtm: Zero detected: saturated # [ 80.680032] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO # [ 80.687766] lkdtm: attempting good refcount_dec() # [ 80.693505] lkdtm: attempting bad refcount_dec() to zero # [ 80.698894] ------------[ cut here ]------------ # [ 80.703552] WARNING: CPU: 3 PID: 2734 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 # [ 80.712057] refcount_t: decrement hit 0; leaking memory. # [ 80.717381] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 80.746575] CPU: 3 PID: 2734 Comm: cat Tainted: G D W 5.10.185-cip35 #1 # [ 80.754324] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 80.760857] Backtrace: # [ 80.763329] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 80.770908] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 # [ 80.776578] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 80.783902] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 80.790874] r9:00000009 r8:c0873bc8 r7:0000001f r6:00000009 r5:c0873bc8 r4:c1a22e44 # [ 80.798627] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 80.806117] r7:0000001f r6:c1a22e44 r5:c1a22ea8 r4:c47f8000 # [ 80.811787] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) # [ 80.820753] r9:c1acec5c r8:c15ead88 r7:c47f9f60 r6:00000012 r5:c5ea4000 r4:c47f8000 # [ 80.828512] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) # [ 80.838177] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_ZERO+0x5c/0xd8) # [ 80.847929] [] (lkdtm_REFCOUNT_DEC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 80.856717] r4:0000002f # [ 80.859261] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 80.867277] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 80.875202] r9:c47f9f60 r8:c51399c0 r7:00000012 r6:b6e54000 r5:c6a5c780 r4:c0c53da4 # [ 80.882959] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 80.890798] r9:c07e05e8 r8:c47f9f60 r7:c2815800 r6:b6e54000 r5:c6a5c780 r4:00000000 # [ 80.898550] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 80.905692] r10:00000004 r9:00000000 r8:00000000 r7:b6e54000 r6:c47f8000 r5:c6a5c780 # [ 80.913524] r4:c6a5c780 # [ 80.916067] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 80.923210] r9:c47f8000 r8:c03002e4 r7:00000004 r6:b6f9be00 r5:00000012 r4:00000012 # [ 80.930964] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 80.938537] Exception stack(0xc47f9fa8 to 0xc47f9ff0) # [ 80.943598] 9fa0: 00000012 00000012 00000001 b6e54000 00000012 00000000 # [ 80.951785] 9fc0: 00000012 00000012 b6f9be00 00000004 00000001 00000000 00020000 bef8cac4 # [ 80.959968] 9fe0: 00000004 bef8c7f8 b6f05d8f b6e8c7e6 # [ 80.965078] irq event stamp: 0 # [ 80.968171] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 80.973762] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 # [ 80.981305] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 # [ 80.988844] softirqs last disabled at (0): [<00000000>] 0x0 # [ 80.994432] ---[ end trace 41cacc2ec7df9416 ]--- # [ 80.999087] lkdtm: Zero detected: saturated # REFCOUNT_DEC_ZERO: missing 'call trace:': [FAIL] not ok 46 selftests: lkdtm: REFCOUNT_DEC_ZERO.sh # exit=1 # selftests: lkdtm: REFCOUNT_DEC_NEGATIVE.sh [ 81.457892] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE [ 81.463925] lkdtm: attempting bad refcount_dec() below zero [ 81.469712] ------------[ cut here ]------------ [ 81.474395] WARNING: CPU: 0 PID: 2771 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 [ 81.483716] refcount_t: decrement hit 0; leaking memory. [ 81.489096] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi etnaviv imxdrm gpu_sched imx_ipu_v3 [ 81.518247] CPU: 0 PID: 2771 Comm: cat Tainted: G D W 5.10.185-cip35 #1 [ 81.525996] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 81.532528] Backtrace: [ 81.535000] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 81.542580] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 [ 81.548251] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 81.555573] [] (dump_stack) from [] (__warn+0x98/0x14c) [ 81.562543] r9:00000009 r8:c0873bc8 r7:0000001f r6:00000009 r5:c0873bc8 r4:c1a22e44 [ 81.570297] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 81.577785] r7:0000001f r6:c1a22e44 r5:c1a22ea8 r4:c6d3e000 [ 81.583456] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) [ 81.592422] r9:c1acec70 r8:c15ead88 r7:c6d3ff60 r6:00000016 r5:00000000 r4:c6d3e000 [ 81.600180] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) [ 81.609844] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_NEGATIVE+0x48/0x70) [ 81.619943] [] (lkdtm_REFCOUNT_DEC_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) [ 81.629078] r5:c6ead000 r4:00000030 [ 81.632663] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 81.640680] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 81.648606] r9:c6d3ff60 r8:c51399c0 r7:00000016 r6:b6e1a000 r5:c5bf7180 r4:c0c53da4 [ 81.656363] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 81.664202] r9:c07e05e8 r8:c6d3ff60 r7:c2815800 r6:b6e1a000 r5:c5bf7180 r4:00000000 [ 81.671954] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 81.679097] r10:00000004 r9:00000000 r8:00000000 r7:b6e1a000 r6:c6d3e000 r5:c5bf7180 [ 81.686930] r4:c5bf7180 [ 81.689476] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 81.696618] r9:c6d3e000 r8:c03002e4 r7:00000004 r6:b6f61e00 r5:00000016 r4:00000016 [ 81.704374] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 81.711948] Exception stack(0xc6d3ffa8 to 0xc6d3fff0) [ 81.717010] ffa0: 00000016 00000016 00000001 b6e1a000 00000016 00000000 [ 81.725196] ffc0: 00000016 00000016 b6f61e00 00000004 00000001 00000000 00020000 beb7bac4 [ 81.733379] ffe0: 00000004 beb7b7f8 b6ecbd8f b6e527e6 [ 81.738461] irq event stamp: 0 [ 81.741532] hardirqs last enabled at (0): [<00000000>] 0x0 [ 81.747121] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 [ 81.754638] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 [ 81.762154] softirqs last disabled at (0): [<00000000>] 0x0 [ 81.767758] ---[ end trace 41cacc2ec7df9417 ]--- [ 81.772387] lkdtm: Negative detected: saturated # [ 81.457892] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 81.463925] lkdtm: attempting bad refcount_dec() below zero # [ 81.469712] ------------[ cut here ]------------ # [ 81.474395] WARNING: CPU: 0 PID: 2771 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 # [ 81.483716] refcount_t: decrement hit 0; leaking memory. # [ 81.489096] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 81.518247] CPU: 0 PID: 2771 Comm: cat Tainted: G D W 5.10.185-cip35 #1 # [ 81.525996] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 81.532528] Backtrace: # [ 81.535000] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 81.542580] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 # [ 81.548251] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 81.555573] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 81.562543] r9:00000009 r8:c0873bc8 r7:0000001f r6:00000009 r5:c0873bc8 r4:c1a22e44 # [ 81.570297] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 81.577785] r7:0000001f r6:c1a22e44 r5:c1a22ea8 r4:c6d3e000 # [ 81.583456] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) # [ 81.592422] r9:c1acec70 r8:c15ead88 r7:c6d3ff60 r6:00000016 r5:00000000 r4:c6d3e000 # [ 81.600180] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) # [ 81.609844] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_NEGATIVE+0x48/0x70) # [ 81.619943] [] (lkdtm_REFCOUNT_DEC_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 81.629078] r5:c6ead000 r4:00000030 # [ 81.632663] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 81.640680] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 81.648606] r9:c6d3ff60 r8:c51399c0 r7:00000016 r6:b6e1a000 r5:c5bf7180 r4:c0c53da4 # [ 81.656363] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 81.664202] r9:c07e05e8 r8:c6d3ff60 r7:c2815800 r6:b6e1a000 r5:c5bf7180 r4:00000000 # [ 81.671954] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 81.679097] r10:00000004 r9:00000000 r8:00000000 r7:b6e1a000 r6:c6d3e000 r5:c5bf7180 # [ 81.686930] r4:c5bf7180 # [ 81.689476] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 81.696618] r9:c6d3e000 r8:c03002e4 r7:00000004 r6:b6f61e00 r5:00000016 r4:00000016 # [ 81.704374] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 81.711948] Exception stack(0xc6d3ffa8 to 0xc6d3fff0) # [ 81.717010] ffa0: 00000016 00000016 00000001 b6e1a000 00000016 00000000 # [ 81.725196] ffc0: 00000016 00000016 b6f61e00 00000004 00000001 00000000 00020000 beb7bac4 # [ 81.733379] ffe0: 00000004 beb7b7f8 b6ecbd8f b6e527e6 # [ 81.738461] irq event stamp: 0 # [ 81.741532] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 81.747121] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 # [ 81.754638] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 # [ 81.762154] softirqs last disabled at (0): [<00000000>] 0x0 # [ 81.767758] ---[ end trace 41cacc2ec7df9417 ]--- # [ 81.772387] 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 [ 82.213534] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE [ 82.220496] lkdtm: attempting bad refcount_dec_and_test() below zero [ 82.226889] ------------[ cut here ]------------ [ 82.231592] WARNING: CPU: 2 PID: 2806 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 [ 82.240160] refcount_t: underflow; use-after-free. [ 82.244961] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi etnaviv imxdrm gpu_sched imx_ipu_v3 [ 82.274133] CPU: 2 PID: 2806 Comm: cat Tainted: G D W 5.10.185-cip35 #1 [ 82.281886] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 82.288419] Backtrace: [ 82.290890] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 82.298470] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 [ 82.304142] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 82.311465] [] (dump_stack) from [] (__warn+0x98/0x14c) [ 82.318437] r9:00000009 r8:c0873c98 r7:0000001c r6:00000009 r5:c0873c98 r4:c1a22e44 [ 82.326191] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 82.333680] r7:0000001c r6:c1a22e44 r5:c1a22e80 r4:c4506000 [ 82.339351] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) [ 82.348404] r9:c1acec88 r8:c15ead88 r7:c4507f60 r6:0000001f r5:00000000 r4:c4506000 [ 82.356161] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) [ 82.366610] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x50/0x8c) [ 82.378271] [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) [ 82.388189] r5:c5cd0000 r4:00000031 [ 82.391773] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 82.399790] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 82.407715] r9:c4507f60 r8:c51399c0 r7:0000001f r6:b6e5e000 r5:c5d78f00 r4:c0c53da4 [ 82.415473] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 82.423311] r9:c07e05e8 r8:c4507f60 r7:c2815800 r6:b6e5e000 r5:c5d78f00 r4:00000000 [ 82.431063] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 82.438206] r10:00000004 r9:00000000 r8:00000000 r7:b6e5e000 r6:c4506000 r5:c5d78f00 [ 82.446039] r4:c5d78f00 [ 82.448582] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 82.455727] r9:c4506000 r8:c03002e4 r7:00000004 r6:b6fa5e00 r5:0000001f r4:0000001f [ 82.463482] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 82.471056] Exception stack(0xc4507fa8 to 0xc4507ff0) [ 82.476116] 7fa0: 0000001f 0000001f 00000001 b6e5e000 0000001f 00000000 [ 82.484303] 7fc0: 0000001f 0000001f b6fa5e00 00000004 00000001 00000000 00020000 beca6ac4 [ 82.492487] 7fe0: 00000004 beca67f8 b6f0fd8f b6e967e6 [ 82.497642] irq event stamp: 0 [ 82.500717] hardirqs last enabled at (0): [<00000000>] 0x0 [ 82.506306] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 [ 82.513838] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 [ 82.521360] softirqs last disabled at (0): [<00000000>] 0x0 [ 82.526944] ---[ end trace 41cacc2ec7df9418 ]--- [ 82.531598] lkdtm: Negative detected: saturated # [ 82.213534] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 82.220496] lkdtm: attempting bad refcount_dec_and_test() below zero # [ 82.226889] ------------[ cut here ]------------ # [ 82.231592] WARNING: CPU: 2 PID: 2806 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 82.240160] refcount_t: underflow; use-after-free. # [ 82.244961] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 82.274133] CPU: 2 PID: 2806 Comm: cat Tainted: G D W 5.10.185-cip35 #1 # [ 82.281886] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 82.288419] Backtrace: # [ 82.290890] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 82.298470] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 # [ 82.304142] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 82.311465] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 82.318437] r9:00000009 r8:c0873c98 r7:0000001c r6:00000009 r5:c0873c98 r4:c1a22e44 # [ 82.326191] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 82.333680] r7:0000001c r6:c1a22e44 r5:c1a22e80 r4:c4506000 # [ 82.339351] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 82.348404] r9:c1acec88 r8:c15ead88 r7:c4507f60 r6:0000001f r5:00000000 r4:c4506000 # [ 82.356161] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 82.366610] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x50/0x8c) # [ 82.378271] [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 82.388189] r5:c5cd0000 r4:00000031 # [ 82.391773] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 82.399790] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 82.407715] r9:c4507f60 r8:c51399c0 r7:0000001f r6:b6e5e000 r5:c5d78f00 r4:c0c53da4 # [ 82.415473] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 82.423311] r9:c07e05e8 r8:c4507f60 r7:c2815800 r6:b6e5e000 r5:c5d78f00 r4:00000000 # [ 82.431063] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 82.438206] r10:00000004 r9:00000000 r8:00000000 r7:b6e5e000 r6:c4506000 r5:c5d78f00 # [ 82.446039] r4:c5d78f00 # [ 82.448582] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 82.455727] r9:c4506000 r8:c03002e4 r7:00000004 r6:b6fa5e00 r5:0000001f r4:0000001f # [ 82.463482] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 82.471056] Exception stack(0xc4507fa8 to 0xc4507ff0) # [ 82.476116] 7fa0: 0000001f 0000001f 00000001 b6e5e000 0000001f 00000000 # [ 82.484303] 7fc0: 0000001f 0000001f b6fa5e00 00000004 00000001 00000000 00020000 beca6ac4 # [ 82.492487] 7fe0: 00000004 beca67f8 b6f0fd8f b6e967e6 # [ 82.497642] irq event stamp: 0 # [ 82.500717] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 82.506306] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 # [ 82.513838] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 # [ 82.521360] softirqs last disabled at (0): [<00000000>] 0x0 # [ 82.526944] ---[ end trace 41cacc2ec7df9418 ]--- # [ 82.531598] 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 [ 83.015371] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE [ 83.022244] lkdtm: attempting bad refcount_sub_and_test() below zero [ 83.028690] ------------[ cut here ]------------ [ 83.033341] WARNING: CPU: 2 PID: 2841 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 [ 83.041914] refcount_t: underflow; use-after-free. [ 83.046719] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi etnaviv imxdrm gpu_sched imx_ipu_v3 [ 83.076055] CPU: 2 PID: 2841 Comm: cat Tainted: G D W 5.10.185-cip35 #1 [ 83.083816] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 83.090348] Backtrace: [ 83.092816] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 83.100395] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 [ 83.106068] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 83.113391] [] (dump_stack) from [] (__warn+0x98/0x14c) [ 83.120362] r9:00000009 r8:c0873c98 r7:0000001c r6:00000009 r5:c0873c98 r4:c1a22e44 [ 83.128115] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 83.135603] r7:0000001c r6:c1a22e44 r5:c1a22e80 r4:c5b7e000 [ 83.141274] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) [ 83.150326] r9:c1aceca8 r8:c15ead88 r7:c5b7ff60 r6:0000001f r5:c5ef1000 r4:c5b7e000 [ 83.158084] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) [ 83.168534] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x50/0x8c) [ 83.180193] [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) [ 83.190109] r4:00000032 [ 83.192651] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 83.200668] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 83.208593] r9:c5b7ff60 r8:c51399c0 r7:0000001f r6:b6e00000 r5:c2f94780 r4:c0c53da4 [ 83.216349] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 83.224187] r9:c07e05e8 r8:c5b7ff60 r7:c2815800 r6:b6e00000 r5:c2f94780 r4:00000000 [ 83.231939] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 83.239081] r10:00000004 r9:00000000 r8:00000000 r7:b6e00000 r6:c5b7e000 r5:c2f94780 [ 83.246914] r4:c2f94780 [ 83.249459] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 83.256604] r9:c5b7e000 r8:c03002e4 r7:00000004 r6:b6f47e00 r5:0000001f r4:0000001f [ 83.264359] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 83.271933] Exception stack(0xc5b7ffa8 to 0xc5b7fff0) [ 83.276995] ffa0: 0000001f 0000001f 00000001 b6e00000 0000001f 00000000 [ 83.285182] ffc0: 0000001f 0000001f b6f47e00 00000004 00000001 00000000 00020000 bec27ac4 [ 83.293365] ffe0: 00000004 bec277f8 b6eb1d8f b6e387e6 [ 83.298491] irq event stamp: 0 [ 83.301564] hardirqs last enabled at (0): [<00000000>] 0x0 [ 83.307151] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 [ 83.314687] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 [ 83.322239] softirqs last disabled at (0): [<00000000>] 0x0 [ 83.327868] ---[ end trace 41cacc2ec7df9419 ]--- [ 83.332500] lkdtm: Negative detected: saturated # [ 83.015371] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 83.022244] lkdtm: attempting bad refcount_sub_and_test() below zero # [ 83.028690] ------------[ cut here ]------------ # [ 83.033341] WARNING: CPU: 2 PID: 2841 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 83.041914] refcount_t: underflow; use-after-free. # [ 83.046719] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 83.076055] CPU: 2 PID: 2841 Comm: cat Tainted: G D W 5.10.185-cip35 #1 # [ 83.083816] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 83.090348] Backtrace: # [ 83.092816] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 83.100395] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 # [ 83.106068] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 83.113391] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 83.120362] r9:00000009 r8:c0873c98 r7:0000001c r6:00000009 r5:c0873c98 r4:c1a22e44 # [ 83.128115] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 83.135603] r7:0000001c r6:c1a22e44 r5:c1a22e80 r4:c5b7e000 # [ 83.141274] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 83.150326] r9:c1aceca8 r8:c15ead88 r7:c5b7ff60 r6:0000001f r5:c5ef1000 r4:c5b7e000 # [ 83.158084] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 83.168534] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x50/0x8c) # [ 83.180193] [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 83.190109] r4:00000032 # [ 83.192651] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 83.200668] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 83.208593] r9:c5b7ff60 r8:c51399c0 r7:0000001f r6:b6e00000 r5:c2f94780 r4:c0c53da4 # [ 83.216349] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 83.224187] r9:c07e05e8 r8:c5b7ff60 r7:c2815800 r6:b6e00000 r5:c2f94780 r4:00000000 # [ 83.231939] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 83.239081] r10:00000004 r9:00000000 r8:00000000 r7:b6e00000 r6:c5b7e000 r5:c2f94780 # [ 83.246914] r4:c2f94780 # [ 83.249459] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 83.256604] r9:c5b7e000 r8:c03002e4 r7:00000004 r6:b6f47e00 r5:0000001f r4:0000001f # [ 83.264359] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 83.271933] Exception stack(0xc5b7ffa8 to 0xc5b7fff0) # [ 83.276995] ffa0: 0000001f 0000001f 00000001 b6e00000 0000001f 00000000 # [ 83.285182] ffc0: 0000001f 0000001f b6f47e00 00000004 00000001 00000000 00020000 bec27ac4 # [ 83.293365] ffe0: 00000004 bec277f8 b6eb1d8f b6e387e6 # [ 83.298491] irq event stamp: 0 # [ 83.301564] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 83.307151] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 # [ 83.314687] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 # [ 83.322239] softirqs last disabled at (0): [<00000000>] 0x0 # [ 83.327868] ---[ end trace 41cacc2ec7df9419 ]--- # [ 83.332500] lkdtm: Negative detected: saturated # REFCOUNT_SUB_AND_TEST_NEGATIVE: saw 'Negative detected: saturated': ok ok 49 selftests: lkdtm: REFCOUNT_SUB_AND_TEST_NEGATIVE.sh # selftests: lkdtm: REFCOUNT_INC_ZERO.sh [ 83.795794] lkdtm: Performing direct entry REFCOUNT_INC_ZERO [ 83.801537] lkdtm: attempting safe refcount_inc_not_zero() from zero [ 83.807956] lkdtm: Good: zero detected [ 83.811720] lkdtm: Correctly stayed at zero [ 83.815913] lkdtm: attempting bad refcount_inc() from zero [ 83.821550] ------------[ cut here ]------------ [ 83.826221] WARNING: CPU: 1 PID: 2873 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 [ 83.834800] refcount_t: addition on 0; use-after-free. [ 83.839988] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi etnaviv imxdrm gpu_sched imx_ipu_v3 [ 83.869141] CPU: 1 PID: 2873 Comm: cat Tainted: G D W 5.10.185-cip35 #1 [ 83.876890] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 83.883422] Backtrace: [ 83.885890] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 83.893467] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 [ 83.899139] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 83.906462] [] (dump_stack) from [] (__warn+0x98/0x14c) [ 83.913433] r9:00000009 r8:c0873c64 r7:00000019 r6:00000009 r5:c0873c64 r4:c1a22e44 [ 83.921186] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 83.928677] r7:00000019 r6:c1a22e44 r5:c1a22e54 r4:c5b02000 [ 83.934346] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) [ 83.943398] r9:c1acecc8 r8:c15ead88 r7:c5b03f60 r6:00000012 r5:00000000 r4:c5b02000 [ 83.951154] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) [ 83.960823] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_ZERO+0xa8/0xcc) [ 83.970572] [] (lkdtm_REFCOUNT_INC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) [ 83.979360] r5:c5df1000 r4:00000033 [ 83.982944] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 83.990962] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 83.998886] r9:c5b03f60 r8:c51399c0 r7:00000012 r6:b6e04000 r5:c47452c0 r4:c0c53da4 [ 84.006645] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 84.014482] r9:c07e05e8 r8:c5b03f60 r7:c2815800 r6:b6e04000 r5:c47452c0 r4:00000000 [ 84.022234] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 84.029376] r10:00000004 r9:00000000 r8:00000000 r7:b6e04000 r6:c5b02000 r5:c47452c0 [ 84.037210] r4:c47452c0 [ 84.039754] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 84.046898] r9:c5b02000 r8:c03002e4 r7:00000004 r6:b6f4be00 r5:00000012 r4:00000012 [ 84.054652] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 84.062226] Exception stack(0xc5b03fa8 to 0xc5b03ff0) [ 84.067287] 3fa0: 00000012 00000012 00000001 b6e04000 00000012 00000000 [ 84.075472] 3fc0: 00000012 00000012 b6f4be00 00000004 00000001 00000000 00020000 bed80ac4 [ 84.083655] 3fe0: 00000004 bed807f8 b6eb5d8f b6e3c7e6 [ 84.088799] irq event stamp: 0 [ 84.091874] hardirqs last enabled at (0): [<00000000>] 0x0 [ 84.097462] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 [ 84.105030] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 [ 84.112598] softirqs last disabled at (0): [<00000000>] 0x0 [ 84.118225] ---[ end trace 41cacc2ec7df941a ]--- [ 84.122860] lkdtm: Zero detected: saturated # [ 83.795794] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 83.801537] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 83.807956] lkdtm: Good: zero detected # [ 83.811720] lkdtm: Correctly stayed at zero # [ 83.815913] lkdtm: attempting bad refcount_inc() from zero # [ 83.821550] ------------[ cut here ]------------ # [ 83.826221] WARNING: CPU: 1 PID: 2873 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 # [ 83.834800] refcount_t: addition on 0; use-after-free. # [ 83.839988] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 83.869141] CPU: 1 PID: 2873 Comm: cat Tainted: G D W 5.10.185-cip35 #1 # [ 83.876890] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 83.883422] Backtrace: # [ 83.885890] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 83.893467] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 # [ 83.899139] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 83.906462] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 83.913433] r9:00000009 r8:c0873c64 r7:00000019 r6:00000009 r5:c0873c64 r4:c1a22e44 # [ 83.921186] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 83.928677] r7:00000019 r6:c1a22e44 r5:c1a22e54 r4:c5b02000 # [ 83.934346] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) # [ 83.943398] r9:c1acecc8 r8:c15ead88 r7:c5b03f60 r6:00000012 r5:00000000 r4:c5b02000 # [ 83.951154] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) # [ 83.960823] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_ZERO+0xa8/0xcc) # [ 83.970572] [] (lkdtm_REFCOUNT_INC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 83.979360] r5:c5df1000 r4:00000033 # [ 83.982944] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 83.990962] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 83.998886] r9:c5b03f60 r8:c51399c0 r7:00000012 r6:b6e04000 r5:c47452c0 r4:c0c53da4 # [ 84.006645] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 84.014482] r9:c07e05e8 r8:c5b03f60 r7:c2815800 r6:b6e04000 r5:c47452c0 r4:00000000 # [ 84.022234] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 84.029376] r10:00000004 r9:00000000 r8:00000000 r7:b6e04000 r6:c5b02000 r5:c47452c0 # [ 84.037210] r4:c47452c0 # [ 84.039754] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 84.046898] r9:c5b02000 r8:c03002e4 r7:00000004 r6:b6f4be00 r5:00000012 r4:00000012 # [ 84.054652] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 84.062226] Exception stack(0xc5b03fa8 to 0xc5b03ff0) # [ 84.067287] 3fa0: 00000012 00000012 00000001 b6e04000 00000012 00000000 # [ 84.075472] 3fc0: 00000012 00000012 b6f4be00 00000004 00000001 00000000 00020000 bed80ac4 # [ 84.083655] 3fe0: 00000004 bed807f8 b6eb5d8f b6e3c7e6 # [ 84.088799] irq event stamp: 0 # [ 84.091874] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 84.097462] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 # [ 84.105030] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 # [ 84.112598] softirqs last disabled at (0): [<00000000>] 0x0 # [ 84.118225] ---[ end trace 41cacc2ec7df941a ]--- # [ 84.122860] lkdtm: Zero detected: saturated # REFCOUNT_INC_ZERO: missing 'call trace:': [FAIL] not ok 50 selftests: lkdtm: REFCOUNT_INC_ZERO.sh # exit=1 # self[ 84.583057] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO tests: lkdtm: REFCOUNT_ADD_ZERO.s[ 84.590788] lkdtm: attempting safe refcount_add_not_zero() from zero h [ 84.599993] lkdtm: Good: zero detected [ 84.603948] lkdtm: Correctly stayed at zero [ 84.608230] lkdtm: attempting bad refcount_add() from zero [ 84.613755] ------------[ cut here ]------------ [ 84.618427] WARNING: CPU: 3 PID: 2907 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 [ 84.626960] refcount_t: addition on 0; use-after-free. [ 84.632139] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi etnaviv imxdrm gpu_sched imx_ipu_v3 [ 84.661274] CPU: 3 PID: 2907 Comm: cat Tainted: G D W 5.10.185-cip35 #1 [ 84.669024] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 84.675556] Backtrace: [ 84.678025] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 84.685605] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 [ 84.691276] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 84.698599] [] (dump_stack) from [] (__warn+0x98/0x14c) [ 84.705569] r9:00000009 r8:c0873c64 r7:00000019 r6:00000009 r5:c0873c64 r4:c1a22e44 [ 84.713321] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 84.720809] r7:00000019 r6:c1a22e44 r5:c1a22e54 r4:c5b7e000 [ 84.726479] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) [ 84.735533] r9:c1acecdc r8:c15ead88 r7:c5b7ff60 r6:00000012 r5:00000000 r4:c5b7e000 [ 84.743290] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) [ 84.752960] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_ZERO+0xa8/0xcc) [ 84.762709] [] (lkdtm_REFCOUNT_ADD_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) [ 84.771498] r5:c5ea4000 r4:00000034 [ 84.775082] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 84.783098] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 84.791023] r9:c5b7ff60 r8:c51399c0 r7:00000012 r6:b6e57000 r5:c5adba40 r4:c0c53da4 [ 84.798781] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 84.806621] r9:c07e05e8 r8:c5b7ff60 r7:c2815800 r6:b6e57000 r5:c5adba40 r4:00000000 [ 84.814373] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 84.821516] r10:00000004 r9:00000000 r8:00000000 r7:b6e57000 r6:c5b7e000 r5:c5adba40 [ 84.829349] r4:c5adba40 [ 84.831892] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 84.839037] r9:c5b7e000 r8:c03002e4 r7:00000004 r6:b6f9ee00 r5:00000012 r4:00000012 [ 84.846792] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 84.854366] Exception stack(0xc5b7ffa8 to 0xc5b7fff0) [ 84.859427] ffa0: 00000012 00000012 00000001 b6e57000 00000012 00000000 [ 84.867613] ffc0: 00000012 00000012 b6f9ee00 00000004 00000001 00000000 00020000 beb65ac4 [ 84.875795] ffe0: 00000004 beb657f8 b6f08d8f b6e8f7e6 [ 84.880903] irq event stamp: 0 [ 84.883974] hardirqs last enabled at (0): [<00000000>] 0x0 [ 84.889586] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 [ 84.897098] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 [ 84.904656] softirqs last disabled at (0): [<00000000>] 0x0 [ 84.910272] ---[ end trace 41cacc2ec7df941b ]--- [ 84.914907] lkdtm: Zero detected: saturated # [ 84.583057] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 84.590788] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 84.599993] lkdtm: Good: zero detected # [ 84.603948] lkdtm: Correctly stayed at zero # [ 84.608230] lkdtm: attempting bad refcount_add() from zero # [ 84.613755] ------------[ cut here ]------------ # [ 84.618427] WARNING: CPU: 3 PID: 2907 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 # [ 84.626960] refcount_t: addition on 0; use-after-free. # [ 84.632139] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 84.661274] CPU: 3 PID: 2907 Comm: cat Tainted: G D W 5.10.185-cip35 #1 # [ 84.669024] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 84.675556] Backtrace: # [ 84.678025] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 84.685605] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 # [ 84.691276] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 84.698599] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 84.705569] r9:00000009 r8:c0873c64 r7:00000019 r6:00000009 r5:c0873c64 r4:c1a22e44 # [ 84.713321] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 84.720809] r7:00000019 r6:c1a22e44 r5:c1a22e54 r4:c5b7e000 # [ 84.726479] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) # [ 84.735533] r9:c1acecdc r8:c15ead88 r7:c5b7ff60 r6:00000012 r5:00000000 r4:c5b7e000 # [ 84.743290] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) # [ 84.752960] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_ZERO+0xa8/0xcc) # [ 84.762709] [] (lkdtm_REFCOUNT_ADD_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 84.771498] r5:c5ea4000 r4:00000034 # [ 84.775082] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 84.783098] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 84.791023] r9:c5b7ff60 r8:c51399c0 r7:00000012 r6:b6e57000 r5:c5adba40 r4:c0c53da4 # [ 84.798781] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 84.806621] r9:c07e05e8 r8:c5b7ff60 r7:c2815800 r6:b6e57000 r5:c5adba40 r4:00000000 # [ 84.814373] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 84.821516] r10:00000004 r9:00000000 r8:00000000 r7:b6e57000 r6:c5b7e000 r5:c5adba40 # [ 84.829349] r4:c5adba40 # [ 84.831892] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 84.839037] r9:c5b7e000 r8:c03002e4 r7:00000004 r6:b6f9ee00 r5:00000012 r4:00000012 # [ 84.846792] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 84.854366] Exception stack(0xc5b7ffa8 to 0xc5b7fff0) # [ 84.859427] ffa0: 00000012 00000012 00000001 b6e57000 00000012 00000000 # [ 84.867613] ffc0: 00000012 00000012 b6f9ee00 00000004 00000001 00000000 00020000 beb65ac4 # [ 84.875795] ffe0: 00000004 beb657f8 b6f08d8f b6e8f7e6 # [ 84.880903] irq event stamp: 0 # [ 84.883974] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 84.889586] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 # [ 84.897098] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 # [ 84.904656] softirqs last disabled at (0): [<00000000>] 0x0 # [ 84.910272] ---[ end trace 41cacc2ec7df941b ]--- # [ 84.914907] 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 [ 85.412166] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED [ 85.418346] lkdtm: attempting bad refcount_inc() from saturated [ 85.424281] ------------[ cut here ]------------ [ 85.428996] WARNING: CPU: 2 PID: 2944 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 [ 85.437448] refcount_t: saturated; leaking memory. [ 85.442353] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi etnaviv imxdrm gpu_sched imx_ipu_v3 [ 85.471840] CPU: 2 PID: 2944 Comm: cat Tainted: G D W 5.10.185-cip35 #1 [ 85.479590] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 85.486122] Backtrace: [ 85.488592] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 85.496170] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 [ 85.501841] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 85.509165] [] (dump_stack) from [] (__warn+0x98/0x14c) [ 85.516136] r9:00000009 r8:c0873c30 r7:00000016 r6:00000009 r5:c0873c30 r4:c1a22e44 [ 85.523892] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 85.531380] r7:00000016 r6:c1a22e44 r5:c1a22e1c r4:c5b7e000 [ 85.537051] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) [ 85.546017] r9:c1acecf0 r8:c15ead88 r7:c5b7ff60 r6:00000017 r5:c5ef1000 r4:c5b7e000 [ 85.553773] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) [ 85.563444] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_SATURATED+0x4c/0x70) [ 85.573629] [] (lkdtm_REFCOUNT_INC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) [ 85.582853] r4:00000035 [ 85.585395] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 85.593412] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 85.601337] r9:c5b7ff60 r8:c51399c0 r7:00000017 r6:b6dd8000 r5:c42b5180 r4:c0c53da4 [ 85.609093] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 85.616933] r9:c07e05e8 r8:c5b7ff60 r7:c2815800 r6:b6dd8000 r5:c42b5180 r4:00000000 [ 85.624683] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 85.631827] r10:00000004 r9:00000000 r8:00000000 r7:b6dd8000 r6:c5b7e000 r5:c42b5180 [ 85.639660] r4:c42b5180 [ 85.642205] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 85.649348] r9:c5b7e000 r8:c03002e4 r7:00000004 r6:b6f1fe00 r5:00000017 r4:00000017 [ 85.657103] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 85.664677] Exception stack(0xc5b7ffa8 to 0xc5b7fff0) [ 85.669737] ffa0: 00000017 00000017 00000001 b6dd8000 00000017 00000000 [ 85.677924] ffc0: 00000017 00000017 b6f1fe00 00000004 00000001 00000000 00020000 beb3dac4 [ 85.686108] ffe0: 00000004 beb3d7f8 b6e89d8f b6e107e6 [ 85.691230] irq event stamp: 0 [ 85.694303] hardirqs last enabled at (0): [<00000000>] 0x0 [ 85.699921] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 [ 85.707433] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 [ 85.715013] softirqs last disabled at (0): [<00000000>] 0x0 [ 85.720640] ---[ end trace 41cacc2ec7df941c ]--- [ 85.725271] lkdtm: Saturation detected: still saturated # [ 85.412166] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 85.418346] lkdtm: attempting bad refcount_inc() from saturated # [ 85.424281] ------------[ cut here ]------------ # [ 85.428996] WARNING: CPU: 2 PID: 2944 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 85.437448] refcount_t: saturated; leaking memory. # [ 85.442353] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 85.471840] CPU: 2 PID: 2944 Comm: cat Tainted: G D W 5.10.185-cip35 #1 # [ 85.479590] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 85.486122] Backtrace: # [ 85.488592] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 85.496170] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 # [ 85.501841] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 85.509165] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 85.516136] r9:00000009 r8:c0873c30 r7:00000016 r6:00000009 r5:c0873c30 r4:c1a22e44 # [ 85.523892] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 85.531380] r7:00000016 r6:c1a22e44 r5:c1a22e1c r4:c5b7e000 # [ 85.537051] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 85.546017] r9:c1acecf0 r8:c15ead88 r7:c5b7ff60 r6:00000017 r5:c5ef1000 r4:c5b7e000 # [ 85.553773] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 85.563444] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_SATURATED+0x4c/0x70) # [ 85.573629] [] (lkdtm_REFCOUNT_INC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 85.582853] r4:00000035 # [ 85.585395] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 85.593412] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 85.601337] r9:c5b7ff60 r8:c51399c0 r7:00000017 r6:b6dd8000 r5:c42b5180 r4:c0c53da4 # [ 85.609093] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 85.616933] r9:c07e05e8 r8:c5b7ff60 r7:c2815800 r6:b6dd8000 r5:c42b5180 r4:00000000 # [ 85.624683] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 85.631827] r10:00000004 r9:00000000 r8:00000000 r7:b6dd8000 r6:c5b7e000 r5:c42b5180 # [ 85.639660] r4:c42b5180 # [ 85.642205] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 85.649348] r9:c5b7e000 r8:c03002e4 r7:00000004 r6:b6f1fe00 r5:00000017 r4:00000017 # [ 85.657103] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 85.664677] Exception stack(0xc5b7ffa8 to 0xc5b7fff0) # [ 85.669737] ffa0: 00000017 00000017 00000001 b6dd8000 00000017 00000000 # [ 85.677924] ffc0: 00000017 00000017 b6f1fe00 00000004 00000001 00000000 00020000 beb3dac4 # [ 85.686108] ffe0: 00000004 beb3d7f8 b6e89d8f b6e107e6 # [ 85.691230] irq event stamp: 0 # [ 85.694303] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 85.699921] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 # [ 85.707433] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 # [ 85.715013] softirqs last disabled at (0): [<00000000>] 0x0 # [ 85.720640] ---[ end trace 41cacc2ec7df941c ]--- # [ 85.725271] 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 [ 86.207952] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED [ 86.214071] lkdtm: attempting bad refcount_dec() from saturated [ 86.220211] ------------[ cut here ]------------ [ 86.224891] WARNING: CPU: 1 PID: 2979 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 [ 86.233425] refcount_t: decrement hit 0; leaking memory. [ 86.238793] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi etnaviv imxdrm gpu_sched imx_ipu_v3 [ 86.267968] CPU: 1 PID: 2979 Comm: cat Tainted: G D W 5.10.185-cip35 #1 [ 86.275719] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 86.282251] Backtrace: [ 86.284721] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 86.292299] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 [ 86.297971] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 86.305295] [] (dump_stack) from [] (__warn+0x98/0x14c) [ 86.312267] r9:00000009 r8:c0873bc8 r7:0000001f r6:00000009 r5:c0873bc8 r4:c1a22e44 [ 86.320021] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 86.327510] r7:0000001f r6:c1a22e44 r5:c1a22ea8 r4:c6ab4000 [ 86.333181] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) [ 86.342146] r9:c1aced08 r8:c15ead88 r7:c6ab5f60 r6:00000017 r5:c6800000 r4:c6ab4000 [ 86.349905] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) [ 86.359570] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_SATURATED+0x48/0x6c) [ 86.369755] [] (lkdtm_REFCOUNT_DEC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) [ 86.378976] r4:00000036 [ 86.381520] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 86.389537] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 86.397463] r9:c6ab5f60 r8:c51399c0 r7:00000017 r6:b6e77000 r5:c59c7cc0 r4:c0c53da4 [ 86.405220] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 86.413058] r9:c07e05e8 r8:c6ab5f60 r7:c2815800 r6:b6e77000 r5:c59c7cc0 r4:00000000 [ 86.420809] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 86.427951] r10:00000004 r9:00000000 r8:00000000 r7:b6e77000 r6:c6ab4000 r5:c59c7cc0 [ 86.435784] r4:c59c7cc0 [ 86.438330] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 86.445474] r9:c6ab4000 r8:c03002e4 r7:00000004 r6:b6fbee00 r5:00000017 r4:00000017 [ 86.453229] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 86.460803] Exception stack(0xc6ab5fa8 to 0xc6ab5ff0) [ 86.465863] 5fa0: 00000017 00000017 00000001 b6e77000 00000017 00000000 [ 86.474052] 5fc0: 00000017 00000017 b6fbee00 00000004 00000001 00000000 00020000 beea9ac4 [ 86.482235] 5fe0: 00000004 beea97f8 b6f28d8f b6eaf7e6 [ 86.487361] irq event stamp: 0 [ 86.490458] hardirqs last enabled at (0): [<00000000>] 0x0 [ 86.496049] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 [ 86.503654] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 [ 86.511203] softirqs last disabled at (0): [<00000000>] 0x0 [ 86.516791] ---[ end trace 41cacc2ec7df941d ]--- [ 86.521480] lkdtm: Saturation detected: still saturated # [ 86.207952] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 86.214071] lkdtm: attempting bad refcount_dec() from saturated # [ 86.220211] ------------[ cut here ]------------ # [ 86.224891] WARNING: CPU: 1 PID: 2979 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 # [ 86.233425] refcount_t: decrement hit 0; leaking memory. # [ 86.238793] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 86.267968] CPU: 1 PID: 2979 Comm: cat Tainted: G D W 5.10.185-cip35 #1 # [ 86.275719] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 86.282251] Backtrace: # [ 86.284721] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 86.292299] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 # [ 86.297971] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 86.305295] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 86.312267] r9:00000009 r8:c0873bc8 r7:0000001f r6:00000009 r5:c0873bc8 r4:c1a22e44 # [ 86.320021] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 86.327510] r7:0000001f r6:c1a22e44 r5:c1a22ea8 r4:c6ab4000 # [ 86.333181] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) # [ 86.342146] r9:c1aced08 r8:c15ead88 r7:c6ab5f60 r6:00000017 r5:c6800000 r4:c6ab4000 # [ 86.349905] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) # [ 86.359570] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_SATURATED+0x48/0x6c) # [ 86.369755] [] (lkdtm_REFCOUNT_DEC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 86.378976] r4:00000036 # [ 86.381520] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 86.389537] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 86.397463] r9:c6ab5f60 r8:c51399c0 r7:00000017 r6:b6e77000 r5:c59c7cc0 r4:c0c53da4 # [ 86.405220] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 86.413058] r9:c07e05e8 r8:c6ab5f60 r7:c2815800 r6:b6e77000 r5:c59c7cc0 r4:00000000 # [ 86.420809] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 86.427951] r10:00000004 r9:00000000 r8:00000000 r7:b6e77000 r6:c6ab4000 r5:c59c7cc0 # [ 86.435784] r4:c59c7cc0 # [ 86.438330] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 86.445474] r9:c6ab4000 r8:c03002e4 r7:00000004 r6:b6fbee00 r5:00000017 r4:00000017 # [ 86.453229] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 86.460803] Exception stack(0xc6ab5fa8 to 0xc6ab5ff0) # [ 86.465863] 5fa0: 00000017 00000017 00000001 b6e77000 00000017 00000000 # [ 86.474052] 5fc0: 00000017 00000017 b6fbee00 00000004 00000001 00000000 00020000 beea9ac4 # [ 86.482235] 5fe0: 00000004 beea97f8 b6f28d8f b6eaf7e6 # [ 86.487361] irq event stamp: 0 # [ 86.490458] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 86.496049] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 # [ 86.503654] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 # [ 86.511203] softirqs last disabled at (0): [<00000000>] 0x0 # [ 86.516791] ---[ end trace 41cacc2ec7df941d ]--- # [ 86.521480] 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 [ 87.013687] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED [ 87.019865] lkdtm: attempting bad refcount_dec() from saturated [ 87.025801] ------------[ cut here ]------------ [ 87.030575] WARNING: CPU: 0 PID: 3014 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 [ 87.039091] refcount_t: saturated; leaking memory. [ 87.043892] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi etnaviv imxdrm gpu_sched imx_ipu_v3 [ 87.073124] CPU: 0 PID: 3014 Comm: cat Tainted: G D W 5.10.185-cip35 #1 [ 87.080874] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 87.087407] Backtrace: [ 87.089878] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 87.097456] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 [ 87.103129] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 87.110453] [] (dump_stack) from [] (__warn+0x98/0x14c) [ 87.117424] r9:00000009 r8:c0873c30 r7:00000016 r6:00000009 r5:c0873c30 r4:c1a22e44 [ 87.125178] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 87.132667] r7:00000016 r6:c1a22e44 r5:c1a22e1c r4:c5b02000 [ 87.138337] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) [ 87.147303] r9:c1aced20 r8:c15ead88 r7:c5b03f60 r6:00000017 r5:c2f71000 r4:c5b02000 [ 87.155059] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) [ 87.164728] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_SATURATED+0x4c/0x70) [ 87.174915] [] (lkdtm_REFCOUNT_ADD_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) [ 87.184137] r4:00000037 [ 87.186679] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 87.194694] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 87.202619] r9:c5b03f60 r8:c51399c0 r7:00000017 r6:b6eaa000 r5:c5d78140 r4:c0c53da4 [ 87.210377] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 87.218213] r9:c07e05e8 r8:c5b03f60 r7:c2815800 r6:b6eaa000 r5:c5d78140 r4:00000000 [ 87.225964] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 87.233107] r10:00000004 r9:00000000 r8:00000000 r7:b6eaa000 r6:c5b02000 r5:c5d78140 [ 87.240940] r4:c5d78140 [ 87.243484] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 87.250627] r9:c5b02000 r8:c03002e4 r7:00000004 r6:b6ff1e00 r5:00000017 r4:00000017 [ 87.258381] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 87.265955] Exception stack(0xc5b03fa8 to 0xc5b03ff0) [ 87.271014] 3fa0: 00000017 00000017 00000001 b6eaa000 00000017 00000000 [ 87.279200] 3fc0: 00000017 00000017 b6ff1e00 00000004 00000001 00000000 00020000 beeeeac4 [ 87.287385] 3fe0: 00000004 beeee7f8 b6f5bd8f b6ee27e6 [ 87.292512] irq event stamp: 0 [ 87.295584] hardirqs last enabled at (0): [<00000000>] 0x0 [ 87.301200] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 [ 87.309338] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 [ 87.316849] softirqs last disabled at (0): [<00000000>] 0x0 [ 87.323751] ---[ end trace 41cacc2ec7df941e ]--- [ 87.328413] lkdtm: Saturation detected: still saturated # [ 0.000000] CPU: ARMv7 Processor [412fc09a] revision 10 (ARMv7), cr=10c5387d # [ 0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache # [ 87.013687] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 87.019865] lkdtm: attempting bad refcount_dec() from saturated # [ 87.025801] ------------[ cut here ]------------ # [ 87.030575] WARNING: CPU: 0 PID: 3014 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 87.039091] refcount_t: saturated; leaking memory. # [ 87.043892] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 87.073124] CPU: 0 PID: 3014 Comm: cat Tainted: G D W 5.10.185-cip35 #1 # [ 87.080874] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 87.087407] Backtrace: # [ 87.089878] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 87.097456] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 # [ 87.103129] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 87.110453] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 87.117424] r9:00000009 r8:c0873c30 r7:00000016 r6:00000009 r5:c0873c30 r4:c1a22e44 # [ 87.125178] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 87.132667] r7:00000016 r6:c1a22e44 r5:c1a22e1c r4:c5b02000 # [ 87.138337] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 87.147303] r9:c1aced20 r8:c15ead88 r7:c5b03f60 r6:00000017 r5:c2f71000 r4:c5b02000 # [ 87.155059] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 87.164728] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_SATURATED+0x4c/0x70) # [ 87.174915] [] (lkdtm_REFCOUNT_ADD_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 87.184137] r4:00000037 # [ 87.186679] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 87.194694] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 87.202619] r9:c5b03f60 r8:c51399c0 r7:00000017 r6:b6eaa000 r5:c5d78140 r4:c0c53da4 # [ 87.210377] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 87.218213] r9:c07e05e8 r8:c5b03f60 r7:c2815800 r6:b6eaa000 r5:c5d78140 r4:00000000 # [ 87.225964] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 87.233107] r10:00000004 r9:00000000 r8:00000000 r7:b6eaa000 r6:c5b02000 r5:c5d78140 # [ 87.240940] r4:c5d78140 # [ 87.243484] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 87.250627] r9:c5b02000 r8:c03002e4 r7:00000004 r6:b6ff1e00 r5:00000017 r4:00000017 # [ 87.258381] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 87.265955] Exception stack(0xc5b03fa8 to 0xc5b03ff0) # [ 87.271014] 3fa0: 00000017 00000017 00000001 b6eaa000 00000017 00000000 # [ 87.279200] 3fc0: 00000017 00000017 b6ff1e00 00000004 00000001 00000000 00020000 beeeeac4 # [ 87.287385] 3fe0: 00000004 beeee7f8 b6f5bd8f b6ee27e6 # [ 87.292512] irq event stamp: 0 # [ 87.295584] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 87.301200] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 # [ 87.309338] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 # [ 87.316849] softirqs last disabled at (0): [<00000000>] 0x0 # [ 87.323751] ---[ end trace 41cacc2ec7df941e ]--- # [ 87.328413] 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 [ 87.825742] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED [ 87.832720] lkdtm: attempting bad refcount_inc_not_zero() from saturated [ 87.839518] ------------[ cut here ]------------ [ 87.844168] WARNING: CPU: 2 PID: 3046 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 [ 87.852777] refcount_t: saturated; leaking memory. [ 87.857639] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi etnaviv imxdrm gpu_sched imx_ipu_v3 [ 87.886798] CPU: 2 PID: 3046 Comm: cat Tainted: G D W 5.10.185-cip35 #1 [ 87.894549] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 87.901082] Backtrace: [ 87.903552] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 87.911130] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 [ 87.916802] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 87.924124] [] (dump_stack) from [] (__warn+0x98/0x14c) [ 87.931094] r9:00000009 r8:c0873bfc r7:00000013 r6:00000009 r5:c0873bfc r4:c1a22e44 [ 87.938848] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 87.946337] r7:00000013 r6:c1a22e44 r5:c1a22e1c r4:c5b02000 [ 87.952008] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) [ 87.960975] r9:c1aced38 r8:c15ead88 r7:c5b03f60 r6:00000020 r5:c5ef1000 r4:c0000000 [ 87.968734] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) [ 87.979181] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x50/0x88) [ 87.990922] r5:c5ef1000 r4:c5b02000 [ 87.994511] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) [ 88.004514] r4:00000038 [ 88.007058] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 88.015076] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 88.023001] r9:c5b03f60 r8:c51399c0 r7:00000020 r6:b6e31000 r5:c5b9f180 r4:c0c53da4 [ 88.030760] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 88.038598] r9:c07e05e8 r8:c5b03f60 r7:c2815800 r6:b6e31000 r5:c5b9f180 r4:00000000 [ 88.046350] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 88.053493] r10:00000004 r9:00000000 r8:00000000 r7:b6e31000 r6:c5b02000 r5:c5b9f180 [ 88.061326] r4:c5b9f180 [ 88.063870] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 88.071015] r9:c5b02000 r8:c03002e4 r7:00000004 r6:b6f78e00 r5:00000020 r4:00000020 [ 88.078770] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 88.086344] Exception stack(0xc5b03fa8 to 0xc5b03ff0) [ 88.091406] 3fa0: 00000020 00000020 00000001 b6e31000 00000020 00000000 [ 88.099592] 3fc0: 00000020 00000020 b6f78e00 00000004 00000001 00000000 00020000 bee53ac4 [ 88.107775] 3fe0: 00000004 bee537f8 b6ee2d8f b6e697e6 [ 88.112919] irq event stamp: 0 [ 88.116013] hardirqs last enabled at (0): [<00000000>] 0x0 [ 88.121647] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 [ 88.129183] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 [ 88.136684] softirqs last disabled at (0): [<00000000>] 0x0 [ 88.142314] ---[ end trace 41cacc2ec7df941f ]--- [ 88.146965] lkdtm: Saturation detected: still saturated # [ 87.825742] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 87.832720] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 87.839518] ------------[ cut here ]------------ # [ 87.844168] WARNING: CPU: 2 PID: 3046 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 87.852777] refcount_t: saturated; leaking memory. # [ 87.857639] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 87.886798] CPU: 2 PID: 3046 Comm: cat Tainted: G D W 5.10.185-cip35 #1 # [ 87.894549] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 87.901082] Backtrace: # [ 87.903552] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 87.911130] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 # [ 87.916802] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 87.924124] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 87.931094] r9:00000009 r8:c0873bfc r7:00000013 r6:00000009 r5:c0873bfc r4:c1a22e44 # [ 87.938848] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 87.946337] r7:00000013 r6:c1a22e44 r5:c1a22e1c r4:c5b02000 # [ 87.952008] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 87.960975] r9:c1aced38 r8:c15ead88 r7:c5b03f60 r6:00000020 r5:c5ef1000 r4:c0000000 # [ 87.968734] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 87.979181] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x50/0x88) # [ 87.990922] r5:c5ef1000 r4:c5b02000 # [ 87.994511] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 88.004514] r4:00000038 # [ 88.007058] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 88.015076] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 88.023001] r9:c5b03f60 r8:c51399c0 r7:00000020 r6:b6e31000 r5:c5b9f180 r4:c0c53da4 # [ 88.030760] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 88.038598] r9:c07e05e8 r8:c5b03f60 r7:c2815800 r6:b6e31000 r5:c5b9f180 r4:00000000 # [ 88.046350] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 88.053493] r10:00000004 r9:00000000 r8:00000000 r7:b6e31000 r6:c5b02000 r5:c5b9f180 # [ 88.061326] r4:c5b9f180 # [ 88.063870] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 88.071015] r9:c5b02000 r8:c03002e4 r7:00000004 r6:b6f78e00 r5:00000020 r4:00000020 # [ 88.078770] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 88.086344] Exception stack(0xc5b03fa8 to 0xc5b03ff0) # [ 88.091406] 3fa0: 00000020 00000020 00000001 b6e31000 00000020 00000000 # [ 88.099592] 3fc0: 00000020 00000020 b6f78e00 00000004 00000001 00000000 00020000 bee53ac4 # [ 88.107775] 3fe0: 00000004 bee537f8 b6ee2d8f b6e697e6 # [ 88.112919] irq event stamp: 0 # [ 88.116013] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 88.121647] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 # [ 88.129183] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 # [ 88.136684] softirqs last disabled at (0): [<00000000>] 0x0 # [ 88.142314] ---[ end trace 41cacc2ec7df941f ]--- # [ 88.146965] lkdtm: Saturation detected: still saturated # REFCOUNT_INC_NOT_ZERO_SATURATED: missing 'call trace:': [FAIL] not ok 55 selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_SATURATED.sh # exit=1 # selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_SATURATED.sh [ 88.641508] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED [ 88.648490] lkdtm: attempting bad refcount_add_not_zero() from saturated [ 88.655227] ------------[ cut here ]------------ [ 88.659909] WARNING: CPU: 0 PID: 3080 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 [ 88.668411] refcount_t: saturated; leaking memory. [ 88.673213] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi etnaviv imxdrm gpu_sched imx_ipu_v3 [ 88.702452] CPU: 0 PID: 3080 Comm: cat Tainted: G D W 5.10.185-cip35 #1 [ 88.710202] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 88.716734] Backtrace: [ 88.719204] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 88.726783] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 [ 88.732457] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 88.739781] [] (dump_stack) from [] (__warn+0x98/0x14c) [ 88.746752] r9:00000009 r8:c0873bfc r7:00000013 r6:00000009 r5:c0873bfc r4:c1a22e44 [ 88.754506] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 88.761995] r7:00000013 r6:c1a22e44 r5:c1a22e1c r4:c5b7e000 [ 88.767664] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) [ 88.776632] r9:c1aced58 r8:c15ead88 r7:c5b7ff60 r6:00000020 r5:c2f71000 r4:c0000000 [ 88.784389] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) [ 88.794837] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x50/0x88) [ 88.806578] r5:c2f71000 r4:c5b7e000 [ 88.810166] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) [ 88.820169] r4:00000039 [ 88.822713] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 88.830731] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 88.838658] r9:c5b7ff60 r8:c51399c0 r7:00000020 r6:b6df9000 r5:c5d78640 r4:c0c53da4 [ 88.846415] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 88.854254] r9:c07e05e8 r8:c5b7ff60 r7:c2815800 r6:b6df9000 r5:c5d78640 r4:00000000 [ 88.862006] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 88.869151] r10:00000004 r9:00000000 r8:00000000 r7:b6df9000 r6:c5b7e000 r5:c5d78640 [ 88.876984] r4:c5d78640 [ 88.879528] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 88.886671] r9:c5b7e000 r8:c03002e4 r7:00000004 r6:b6f40e00 r5:00000020 r4:00000020 [ 88.894425] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 88.902000] Exception stack(0xc5b7ffa8 to 0xc5b7fff0) [ 88.907062] ffa0: 00000020 00000020 00000001 b6df9000 00000020 00000000 [ 88.915248] ffc0: 00000020 00000020 b6f40e00 00000004 00000001 00000000 00020000 bea63ac4 [ 88.923431] ffe0: 00000004 bea637f8 b6eaad8f b6e317e6 [ 88.928546] irq event stamp: 0 [ 88.931618] hardirqs last enabled at (0): [<00000000>] 0x0 [ 88.937208] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 [ 88.945561] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 [ 88.953142] softirqs last disabled at (0): [<00000000>] 0x0 [ 88.958750] ---[ end trace 41cacc2ec7df9420 ]--- [ 88.963379] lkdtm: Saturation detected: still saturated # [ 88.641508] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 88.648490] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 88.655227] ------------[ cut here ]------------ # [ 88.659909] WARNING: CPU: 0 PID: 3080 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 88.668411] refcount_t: saturated; leaking memory. # [ 88.673213] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 88.702452] CPU: 0 PID: 3080 Comm: cat Tainted: G D W 5.10.185-cip35 #1 # [ 88.710202] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 88.716734] Backtrace: # [ 88.719204] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 88.726783] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 # [ 88.732457] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 88.739781] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 88.746752] r9:00000009 r8:c0873bfc r7:00000013 r6:00000009 r5:c0873bfc r4:c1a22e44 # [ 88.754506] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 88.761995] r7:00000013 r6:c1a22e44 r5:c1a22e1c r4:c5b7e000 # [ 88.767664] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 88.776632] r9:c1aced58 r8:c15ead88 r7:c5b7ff60 r6:00000020 r5:c2f71000 r4:c0000000 # [ 88.784389] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 88.794837] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x50/0x88) # [ 88.806578] r5:c2f71000 r4:c5b7e000 # [ 88.810166] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 88.820169] r4:00000039 # [ 88.822713] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 88.830731] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 88.838658] r9:c5b7ff60 r8:c51399c0 r7:00000020 r6:b6df9000 r5:c5d78640 r4:c0c53da4 # [ 88.846415] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 88.854254] r9:c07e05e8 r8:c5b7ff60 r7:c2815800 r6:b6df9000 r5:c5d78640 r4:00000000 # [ 88.862006] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 88.869151] r10:00000004 r9:00000000 r8:00000000 r7:b6df9000 r6:c5b7e000 r5:c5d78640 # [ 88.876984] r4:c5d78640 # [ 88.879528] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 88.886671] r9:c5b7e000 r8:c03002e4 r7:00000004 r6:b6f40e00 r5:00000020 r4:00000020 # [ 88.894425] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 88.902000] Exception stack(0xc5b7ffa8 to 0xc5b7fff0) # [ 88.907062] ffa0: 00000020 00000020 00000001 b6df9000 00000020 00000000 # [ 88.915248] ffc0: 00000020 00000020 b6f40e00 00000004 00000001 00000000 00020000 bea63ac4 # [ 88.923431] ffe0: 00000004 bea637f8 b6eaad8f b6e317e6 # [ 88.928546] irq event stamp: 0 # [ 88.931618] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 88.937208] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 # [ 88.945561] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 # [ 88.953142] softirqs last disabled at (0): [<00000000>] 0x0 # [ 88.958750] ---[ end trace 41cacc2ec7df9420 ]--- # [ 88.963379] 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 [ 89.483001] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED [ 89.489959] lkdtm: attempting bad refcount_dec_and_test() from saturated [ 89.496697] ------------[ cut here ]------------ [ 89.501399] WARNING: CPU: 2 PID: 3117 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 [ 89.509986] refcount_t: underflow; use-after-free. [ 89.514789] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi etnaviv imxdrm gpu_sched imx_ipu_v3 [ 89.543942] CPU: 2 PID: 3117 Comm: cat Tainted: G D W 5.10.185-cip35 #1 [ 89.551693] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 89.558225] Backtrace: [ 89.560698] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 89.568278] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 [ 89.573951] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 89.581275] [] (dump_stack) from [] (__warn+0x98/0x14c) [ 89.588245] r9:00000009 r8:c0873c98 r7:0000001c r6:00000009 r5:c0873c98 r4:c1a22e44 [ 89.595999] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 89.603490] r7:0000001c r6:c1a22e44 r5:c1a22e80 r4:c4788000 [ 89.609160] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) [ 89.618215] r9:c1aced78 r8:c15ead88 r7:c4789f60 r6:00000020 r5:c6800000 r4:c4788000 [ 89.625972] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) [ 89.636423] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x50/0x88) [ 89.648170] [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) [ 89.658173] r4:0000003a [ 89.660716] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 89.668733] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 89.676658] r9:c4789f60 r8:c51399c0 r7:00000020 r6:b6e62000 r5:c2f94f00 r4:c0c53da4 [ 89.684414] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 89.692252] r9:c07e05e8 r8:c4789f60 r7:c2815800 r6:b6e62000 r5:c2f94f00 r4:00000000 [ 89.700003] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 89.707148] r10:00000004 r9:00000000 r8:00000000 r7:b6e62000 r6:c4788000 r5:c2f94f00 [ 89.714980] r4:c2f94f00 [ 89.717523] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 89.724666] r9:c4788000 r8:c03002e4 r7:00000004 r6:b6fa9e00 r5:00000020 r4:00000020 [ 89.732422] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 89.739995] Exception stack(0xc4789fa8 to 0xc4789ff0) [ 89.745055] 9fa0: 00000020 00000020 00000001 b6e62000 00000020 00000000 [ 89.753244] 9fc0: 00000020 00000020 b6fa9e00 00000004 00000001 00000000 00020000 bea12ac4 [ 89.761427] 9fe0: 00000004 bea127f8 b6f13d8f b6e9a7e6 [ 89.766541] irq event stamp: 0 [ 89.769637] hardirqs last enabled at (0): [<00000000>] 0x0 [ 89.775229] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 [ 89.782775] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 [ 89.790310] softirqs last disabled at (0): [<00000000>] 0x0 [ 89.795901] ---[ end trace 41cacc2ec7df9421 ]--- [ 89.800565] lkdtm: Saturation detected: still saturated # [ 89.483001] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 89.489959] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 89.496697] ------------[ cut here ]------------ # [ 89.501399] WARNING: CPU: 2 PID: 3117 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 89.509986] refcount_t: underflow; use-after-free. # [ 89.514789] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 89.543942] CPU: 2 PID: 3117 Comm: cat Tainted: G D W 5.10.185-cip35 #1 # [ 89.551693] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 89.558225] Backtrace: # [ 89.560698] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 89.568278] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 # [ 89.573951] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 89.581275] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 89.588245] r9:00000009 r8:c0873c98 r7:0000001c r6:00000009 r5:c0873c98 r4:c1a22e44 # [ 89.595999] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 89.603490] r7:0000001c r6:c1a22e44 r5:c1a22e80 r4:c4788000 # [ 89.609160] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 89.618215] r9:c1aced78 r8:c15ead88 r7:c4789f60 r6:00000020 r5:c6800000 r4:c4788000 # [ 89.625972] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 89.636423] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x50/0x88) # [ 89.648170] [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 89.658173] r4:0000003a # [ 89.660716] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 89.668733] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 89.676658] r9:c4789f60 r8:c51399c0 r7:00000020 r6:b6e62000 r5:c2f94f00 r4:c0c53da4 # [ 89.684414] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 89.692252] r9:c07e05e8 r8:c4789f60 r7:c2815800 r6:b6e62000 r5:c2f94f00 r4:00000000 # [ 89.700003] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 89.707148] r10:00000004 r9:00000000 r8:00000000 r7:b6e62000 r6:c4788000 r5:c2f94f00 # [ 89.714980] r4:c2f94f00 # [ 89.717523] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 89.724666] r9:c4788000 r8:c03002e4 r7:00000004 r6:b6fa9e00 r5:00000020 r4:00000020 # [ 89.732422] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 89.739995] Exception stack(0xc4789fa8 to 0xc4789ff0) # [ 89.745055] 9fa0: 00000020 00000020 00000001 b6e62000 00000020 00000000 # [ 89.753244] 9fc0: 00000020 00000020 b6fa9e00 00000004 00000001 00000000 00020000 bea12ac4 # [ 89.761427] 9fe0: 00000004 bea127f8 b6f13d8f b6e9a7e6 # [ 89.766541] irq event stamp: 0 # [ 89.769637] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 89.775229] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 # [ 89.782775] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 # [ 89.790310] softirqs last disabled at (0): [<00000000>] 0x0 # [ 89.795901] ---[ end trace 41cacc2ec7df9421 ]--- # [ 89.800565] 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 [ 90.294194] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED [ 90.301226] lkdtm: attempting bad refcount_sub_and_test() from saturated [ 90.308052] ------------[ cut here ]------------ [ 90.312723] WARNING: CPU: 2 PID: 3152 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 [ 90.321308] refcount_t: underflow; use-after-free. [ 90.326108] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi etnaviv imxdrm gpu_sched imx_ipu_v3 [ 90.355259] CPU: 2 PID: 3152 Comm: cat Tainted: G D W 5.10.185-cip35 #1 [ 90.363009] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 90.369540] Backtrace: [ 90.372011] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 90.379592] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 [ 90.385264] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 90.392588] [] (dump_stack) from [] (__warn+0x98/0x14c) [ 90.399557] r9:00000009 r8:c0873c98 r7:0000001c r6:00000009 r5:c0873c98 r4:c1a22e44 [ 90.407310] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 90.414800] r7:0000001c r6:c1a22e44 r5:c1a22e80 r4:c4708000 [ 90.420471] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) [ 90.429524] r9:c1aced98 r8:c15ead88 r7:c4709f60 r6:00000020 r5:c5ef1000 r4:c4708000 [ 90.437282] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) [ 90.447733] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x50/0x88) [ 90.459482] [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) [ 90.469486] r4:0000003b [ 90.472029] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 90.480045] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 90.487970] r9:c4709f60 r8:c51399c0 r7:00000020 r6:b6e1b000 r5:c2f957c0 r4:c0c53da4 [ 90.495726] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 90.503567] r9:c07e05e8 r8:c4709f60 r7:c2815800 r6:b6e1b000 r5:c2f957c0 r4:00000000 [ 90.511318] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 90.518460] r10:00000004 r9:00000000 r8:00000000 r7:b6e1b000 r6:c4708000 r5:c2f957c0 [ 90.526292] r4:c2f957c0 [ 90.528836] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 90.535978] r9:c4708000 r8:c03002e4 r7:00000004 r6:b6f62e00 r5:00000020 r4:00000020 [ 90.543732] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 90.551305] Exception stack(0xc4709fa8 to 0xc4709ff0) [ 90.556367] 9fa0: 00000020 00000020 00000001 b6e1b000 00000020 00000000 [ 90.564553] 9fc0: 00000020 00000020 b6f62e00 00000004 00000001 00000000 00020000 bec62ac4 [ 90.572737] 9fe0: 00000004 bec627f8 b6eccd8f b6e537e6 [ 90.577849] irq event stamp: 0 [ 90.580928] hardirqs last enabled at (0): [<00000000>] 0x0 [ 90.586516] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 [ 90.594068] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 [ 90.601616] softirqs last disabled at (0): [<00000000>] 0x0 [ 90.607208] ---[ end trace 41cacc2ec7df9422 ]--- [ 90.611869] lkdtm: Saturation detected: still saturated # [ 90.294194] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 90.301226] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 90.308052] ------------[ cut here ]------------ # [ 90.312723] WARNING: CPU: 2 PID: 3152 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 90.321308] refcount_t: underflow; use-after-free. # [ 90.326108] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 90.355259] CPU: 2 PID: 3152 Comm: cat Tainted: G D W 5.10.185-cip35 #1 # [ 90.363009] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 90.369540] Backtrace: # [ 90.372011] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 90.379592] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 # [ 90.385264] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 90.392588] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 90.399557] r9:00000009 r8:c0873c98 r7:0000001c r6:00000009 r5:c0873c98 r4:c1a22e44 # [ 90.407310] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 90.414800] r7:0000001c r6:c1a22e44 r5:c1a22e80 r4:c4708000 # [ 90.420471] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 90.429524] r9:c1aced98 r8:c15ead88 r7:c4709f60 r6:00000020 r5:c5ef1000 r4:c4708000 # [ 90.437282] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 90.447733] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x50/0x88) # [ 90.459482] [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 90.469486] r4:0000003b # [ 90.472029] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 90.480045] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 90.487970] r9:c4709f60 r8:c51399c0 r7:00000020 r6:b6e1b000 r5:c2f957c0 r4:c0c53da4 # [ 90.495726] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 90.503567] r9:c07e05e8 r8:c4709f60 r7:c2815800 r6:b6e1b000 r5:c2f957c0 r4:00000000 # [ 90.511318] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 90.518460] r10:00000004 r9:00000000 r8:00000000 r7:b6e1b000 r6:c4708000 r5:c2f957c0 # [ 90.526292] r4:c2f957c0 # [ 90.528836] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 90.535978] r9:c4708000 r8:c03002e4 r7:00000004 r6:b6f62e00 r5:00000020 r4:00000020 # [ 90.543732] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 90.551305] Exception stack(0xc4709fa8 to 0xc4709ff0) # [ 90.556367] 9fa0: 00000020 00000020 00000001 b6e1b000 00000020 00000000 # [ 90.564553] 9fc0: 00000020 00000020 b6f62e00 00000004 00000001 00000000 00020000 bec62ac4 # [ 90.572737] 9fe0: 00000004 bec627f8 b6eccd8f b6e537e6 # [ 90.577849] irq event stamp: 0 # [ 90.580928] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 90.586516] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 # [ 90.594068] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 # [ 90.601616] softirqs last disabled at (0): [<00000000>] 0x0 # [ 90.607208] ---[ end trace 41cacc2ec7df9422 ]--- # [ 90.611869] 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 [ 91.441362] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO [ 91.447413] lkdtm: attempting good copy_to_user of correct size [ 91.453487] lkdtm: attempting bad copy_to_user of too large size # [ 91.441362] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 91.447413] lkdtm: attempting good copy_to_user of correct size # [ 91.453487] 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 [ 91.904546] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM [ 91.910855] lkdtm: attempting good copy_from_user of correct size [ 91.916989] lkdtm: attempting bad copy_from_user of too large size # [ 91.904546] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 91.910855] lkdtm: attempting good copy_from_user of correct size # [ 91.916989] 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 [ 92.372765] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO [ 92.379419] lkdtm: attempting good copy_to_user inside whitelist [ 92.385532] lkdtm: attempting bad copy_to_user outside whitelist # [ 92.372765] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 92.379419] lkdtm: attempting good copy_to_user inside whitelist # [ 92.385532] 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 [ 92.835876] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM [ 92.842697] lkdtm: attempting good copy_from_user inside whitelist [ 92.848963] lkdtm: attempting bad copy_from_user outside whitelist # [ 92.835876] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 92.842697] lkdtm: attempting good copy_from_user inside whitelist # [ 92.848963] 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 [ 93.300428] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO [ 93.306638] lkdtm: good_stack: c6ab5e0c-c6ab5e2c [ 93.311377] lkdtm: bad_stack : c6ab5d84-c6ab5da4 [ 93.316026] lkdtm: attempting good copy_to_user of local stack [ 93.321985] lkdtm: attempting bad copy_to_user of distant stack # [ 93.300428] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 93.306638] lkdtm: good_stack: c6ab5e0c-c6ab5e2c # [ 93.311377] lkdtm: bad_stack : c6ab5d84-c6ab5da4 # [ 93.316026] lkdtm: attempting good copy_to_user of local stack # [ 93.321985] 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 [ 93.780170] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM [ 93.786552] lkdtm: good_stack: c4709e0c-c4709e2c [ 93.791316] lkdtm: bad_stack : c4709d84-c4709da4 [ 93.795966] lkdtm: attempting good copy_from_user of local stack [ 93.802049] lkdtm: attempting bad copy_from_user of distant stack # [ 93.780170] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 93.786552] lkdtm: good_stack: c4709e0c-c4709e2c # [ 93.791316] lkdtm: bad_stack : c4709d84-c4709da4 # [ 93.795966] lkdtm: attempting good copy_from_user of local stack # [ 93.802049] 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 [ 94.281241] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND [ 94.287306] lkdtm: good_stack: c5a05e0c-c5a05e2c [ 94.292013] lkdtm: bad_stack : c5a05ffc-c5a0601c [ 94.296656] lkdtm: attempting good copy_to_user of local stack [ 94.302580] lkdtm: attempting bad copy_to_user of distant stack # [ 94.281241] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 94.287306] lkdtm: good_stack: c5a05e0c-c5a05e2c # [ 94.292013] lkdtm: bad_stack : c5a05ffc-c5a0601c # [ 94.296656] lkdtm: attempting good copy_to_user of local stack # [ 94.302580] 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 [ 94.761242] lkdtm: Performing direct entry USERCOPY_KERNEL [ 94.766799] lkdtm: attempting good copy_to_user from kernel rodata: c15eb034 [ 94.774152] lkdtm: attempting bad copy_to_user from kernel text: c053cc2c [ 94.781080] lkdtm: FAIL: survived bad copy_to_user() # [ 94.761242] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 94.766799] lkdtm: attempting good copy_to_user from kernel rodata: c15eb034 # [ 94.774152] lkdtm: attempting bad copy_to_user from kernel text: c053cc2c # [ 94.781080] 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 [ 95.256243] lkdtm: Performing direct entry STACKLEAK_ERASING [ 95.262020] lkdtm: checking unused part of the thread stack (7732 bytes)... [ 95.269091] lkdtm: FAIL: the erased part is not found (checked 7732 bytes) [ 95.275981] lkdtm: FAIL: the thread stack is NOT properly erased [ 95.282070] CPU: 3 PID: 3517 Comm: cat Tainted: G D W 5.10.185-cip35 #1 [ 95.289824] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 95.296359] Backtrace: [ 95.298840] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 95.306422] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 [ 95.312098] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 95.319431] [] (dump_stack) from [] (lkdtm_STACKLEAK_ERASING+0x148/0x174) [ 95.327967] r9:c1aceea0 r8:c15ead88 r7:c5de1f60 r6:c5de1e34 r5:c5de0000 r4:0000078d [ 95.335727] [] (lkdtm_STACKLEAK_ERASING) from [] (lkdtm_do_action+0x2c/0x4c) [ 95.344523] r8:c15ead88 r7:c5de1f60 r6:00000012 r5:c6aea000 r4:00000046 [ 95.351237] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 95.359261] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 95.367189] r9:c5de1f60 r8:c51399c0 r7:00000012 r6:b6e5d000 r5:c5961540 r4:c0c53da4 [ 95.374953] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 95.382796] r9:c07e05e8 r8:c5de1f60 r7:c2815800 r6:b6e5d000 r5:c5961540 r4:00000000 [ 95.390553] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 95.397702] r10:00000004 r9:00000000 r8:00000000 r7:b6e5d000 r6:c5de0000 r5:c5961540 [ 95.405538] r4:c5961540 [ 95.408086] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 95.415235] r9:c5de0000 r8:c03002e4 r7:00000004 r6:b6fa4e00 r5:00000012 r4:00000012 [ 95.422994] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 95.430571] Exception stack(0xc5de1fa8 to 0xc5de1ff0) [ 95.435637] 1fa0: 00000012 00000012 00000001 b6e5d000 00000012 00000000 [ 95.443826] 1fc0: 00000012 00000012 b6fa4e00 00000004 00000001 00000000 00020000 becdbac4 [ 95.452012] 1fe0: 00000004 becdb7f8 b6f0ed8f b6e957e6 # [ 95.256243] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 95.262020] lkdtm: checking unused part of the thread stack (7732 bytes)... # [ 95.269091] lkdtm: FAIL: the erased part is not found (checked 7732 bytes) # [ 95.275981] lkdtm: FAIL: the thread stack is NOT properly erased # [ 95.282070] CPU: 3 PID: 3517 Comm: cat Tainted: G D W 5.10.185-cip35 #1 # [ 95.289824] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 95.296359] Backtrace: # [ 95.298840] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 95.306422] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 # [ 95.312098] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 95.319431] [] (dump_stack) from [] (lkdtm_STACKLEAK_ERASING+0x148/0x174) # [ 95.327967] r9:c1aceea0 r8:c15ead88 r7:c5de1f60 r6:c5de1e34 r5:c5de0000 r4:0000078d # [ 95.335727] [] (lkdtm_STACKLEAK_ERASING) from [] (lkdtm_do_action+0x2c/0x4c) # [ 95.344523] r8:c15ead88 r7:c5de1f60 r6:00000012 r5:c6aea000 r4:00000046 # [ 95.351237] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 95.359261] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 95.367189] r9:c5de1f60 r8:c51399c0 r7:00000012 r6:b6e5d000 r5:c5961540 r4:c0c53da4 # [ 95.374953] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 95.382796] r9:c07e05e8 r8:c5de1f60 r7:c2815800 r6:b6e5d000 r5:c5961540 r4:00000000 # [ 95.390553] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 95.397702] r10:00000004 r9:00000000 r8:00000000 r7:b6e5d000 r6:c5de0000 r5:c5961540 # [ 95.405538] r4:c5961540 # [ 95.408086] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 95.415235] r9:c5de0000 r8:c03002e4 r7:00000004 r6:b6fa4e00 r5:00000012 r4:00000012 # [ 95.422994] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 95.430571] Exception stack(0xc5de1fa8 to 0xc5de1ff0) # [ 95.435637] 1fa0: 00000012 00000012 00000001 b6e5d000 00000012 00000000 # [ 95.443826] 1fc0: 00000012 00000012 b6fa4e00 00000004 00000001 00000000 00020000 becdbac4 # [ 95.452012] 1fe0: 00000004 becdb7f8 b6f0ed8f b6e957e6 # 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 [ 95.919418] lkdtm: Performing direct entry CFI_FORWARD_PROTO [ 95.925102] lkdtm: Calling matched prototype ... [ 95.929796] lkdtm: Calling mismatched prototype ... [ 95.934691] lkdtm: Fail: survived mismatched prototype function call! # [ 95.919418] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 95.925102] lkdtm: Calling matched prototype ... # [ 95.929796] lkdtm: Calling mismatched prototype ... # [ 95.934691] 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 / #