[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 192.168.101.99 (3 ms) => setenv serverip 192.168.101.1 setenv serverip 192.168.101.1 => tftp 0x10000000 8290547/tftp-deploy-ntl07kcq/kernel/zImage tftp 0x10000000 8290547/tftp-deploy-ntl07kcq/kernel/zImage Using FEC device TFTP from server 192.168.101.1; our IP address is 192.168.101.99 Filename '8290547/tftp-deploy-ntl07kcq/kernel/zImage'. Load address: 0x10000000 Loading: *################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ############################################################# 3 MiB/s done Bytes transferred = 12341760 (bc5200 hex) => tftp 0x14000000 8290547/tftp-deploy-ntl07kcq/ramdisk/ramdisk.cpio.gz.uboot tftp 0x14000000 8290547/tftp-deploy-ntl07kcq/ramdisk/ramdisk.cpio.gz.uboot Using FEC device TFTP from server 192.168.101.1; our IP address is 192.168.101.99 Filename '8290547/tftp-deploy-ntl07kcq/ramdisk/ramdisk.cpio.gz.uboot'. Load address: 0x14000000 Loading: *################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ############ 2.9 MiB/s done Bytes transferred = 15431534 (eb776e hex) => setenv initrd_size ${filesize} setenv initrd_size ${filesize} => tftp 0x13f00000 8290547/tftp-deploy-ntl07kcq/dtb/imx6q-sabrelite.dtb tftp 0x13f00000 8290547/tftp-deploy-ntl07kcq/dtb/imx6q-sabrelite.dtb Using FEC device TFTP from server 192.168.101.1; our IP address is 192.168.101.99 Filename '8290547/tftp-deploy-ntl07kcq/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=192.168.101.1:/var/lib/lava/dispatcher/tmp/8290547/extract-nfsrootfs-02w06hii,tcp,hard ip=dhcp' setenv bootargs 'console=ttymxc1,115200n8 root=/dev/nfs rw nfsroot=192.168.101.1:/var/lib/lava/dispatcher/tmp/8290547/extract-nfsrootfs-02w06hii,tcp,hard ip=dhcp' => bootz 0x10000000 0x14000000 0x13f00000 bootz 0x10000000 0x14000000 0x13f00000 Kernel image @ 0x10000000 [ 0x000000 - 0xbc5200 ] ## Loading init Ramdisk from Legacy Image at 14000000 ... Image Name: Image Type: ARM Linux RAMDisk Image (uncompressed) Data Size: 15431470 Bytes = 14.7 MiB Load Address: 00000000 Entry Point: 00000000 Verifying Checksum ... OK ## Flattened Device Tree blob at 13f00000 Booting using the fdt blob at 0x13f00000 Using Device Tree in place at 13f00000, end 13f0d5d0 Starting kernel ... [ 0.000000] Booting Linux on physical CPU 0x0 [ 0.000000] Linux version 5.10.158-cip21 (KernelCI@build-j667707-arm-gcc-10-multi-v7-defconfig-kselftest-6g7fd) (arm-linux-gnueabihf-gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Thu Dec 8 15:03:54 UTC 2022 [ 0.000000] CPU: ARMv7 Processor [412fc09a] revision 10 (ARMv7), cr=10c5387d [ 0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache [ 0.000000] OF: fdt: Machine model: Freescale i.MX6 Quad SABRE Lite Board [ 0.000000] Memory policy: Data cache writealloc [ 0.000000] efi: UEFI not found. [ 0.000000] OF: fdt: Reserved memory: unsupported node format, ignoring [ 0.000000] cma: Reserved 64 MiB at 0x4c000000 [ 0.000000] Zone ranges: [ 0.000000] DMA [mem 0x0000000010000000-0x000000003fffffff] [ 0.000000] Normal empty [ 0.000000] HighMem [mem 0x0000000040000000-0x000000004fffffff] [ 0.000000] Movable zone start for each node [ 0.000000] Early memory node ranges [ 0.000000] node 0: [mem 0x0000000010000000-0x000000004fffffff] [ 0.000000] Initmem setup node 0 [mem 0x0000000010000000-0x000000004fffffff] [ 0.000000] percpu: Embedded 21 pages/cpu s55468 r8192 d22356 u86016 [ 0.000000] Built 1 zonelists, mobility grouping on. Total pages: 260608 [ 0.000000] Kernel command line: console=ttymxc1,115200n8 root=/dev/nfs rw nfsroot=192.168.101.1:/var/lib/lava/dispatcher/tmp/8290547/extract-nfsrootfs-02w06hii,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: 921452K/1048576K available (17408K kernel code, 2651K rwdata, 8100K rodata, 2048K init, 6692K bss, 61588K reserved, 65536K cma-reserved, 196608K highmem) [ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 [ 0.000000] ftrace: allocating 55441 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 [ 0.000042] clocksource: mxc_timer1: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 637086815595 ns [ 0.004514] Console: colour dummy device 80x30 [ 0.004580] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 0.004610] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 0.004637] ... MAX_LOCK_DEPTH: 48 [ 0.004663] ... MAX_LOCKDEP_KEYS: 8192 [ 0.004689] ... CLASSHASH_SIZE: 4096 [ 0.004714] ... MAX_LOCKDEP_ENTRIES: 32768 [ 0.004740] ... MAX_LOCKDEP_CHAINS: 65536 [ 0.004766] ... CHAINHASH_SIZE: 32768 [ 0.004791] memory used by lock dependency info: 4061 kB [ 0.004817] memory used for stack traces: 2112 kB [ 0.004843] per task-struct memory footprint: 1536 bytes [ 0.004943] Calibrating delay loop (skipped), value calculated using timer frequency.. 6.00 BogoMIPS (lpj=30000) [ 0.004994] pid_max: default: 32768 minimum: 301 [ 0.005381] LSM: Security Framework initializing [ 0.005492] LSM support for eBPF active [ 0.005635] Mount-cache hash table entries: 2048 (order: 1, 8192 bytes, linear) [ 0.005686] Mountpoint-cache hash table entries: 2048 (order: 1, 8192 bytes, linear) [ 0.008241] CPU: Testing write buffer coherency: ok [ 0.008362] CPU0: Spectre v2: using BPIALL workaround [ 0.009450] CPU0: thread -1, cpu 0, socket 0, mpidr 80000000 [ 0.013356] Setting up static identity map for 0x10300000 - 0x103000ac [ 0.015765] rcu: Hierarchical SRCU implementation. [ 0.025337] EFI services will not be available. [ 0.026671] smp: Bringing up secondary CPUs ... [ 0.030020] CPU1: thread -1, cpu 1, socket 0, mpidr 80000001 [ 0.030037] CPU1: Spectre v2: using BPIALL workaround [ 0.034074] CPU2: thread -1, cpu 2, socket 0, mpidr 80000002 [ 0.034089] CPU2: Spectre v2: using BPIALL workaround [ 0.037789] CPU3: thread -1, cpu 3, socket 0, mpidr 80000003 [ 0.037804] CPU3: Spectre v2: using BPIALL workaround [ 0.038678] smp: Brought up 1 node, 4 CPUs [ 0.038726] SMP: Total of 4 processors activated (24.00 BogoMIPS). [ 0.038762] CPU: All CPU(s) started in SVC mode. [ 0.041654] devtmpfs: initialized [ 0.100204] VFP support v0.3: implementor 41 architecture 3 part 30 variant 9 rev 4 [ 0.102865] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 0.102945] futex hash table entries: 1024 (order: 4, 65536 bytes, linear) [ 0.107707] pinctrl core: initialized pinctrl subsystem [ 0.114751] DMI not present or invalid. [ 0.117114] NET: Registered protocol family 16 [ 0.128816] DMA: preallocated 256 KiB pool for atomic coherent allocations [ 0.138377] thermal_sys: Registered thermal governor 'step_wise' [ 0.138988] cpuidle: using governor menu [ 0.139516] CPU identified as i.MX6Q, silicon rev 1.2 [ 0.883226] vdd1p1: supplied by regulator-dummy [ 0.914858] vdd3p0: supplied by regulator-dummy [ 0.946197] vdd2p5: supplied by regulator-dummy [ 0.977401] vddarm: supplied by regulator-dummy [ 1.009655] vddpu: supplied by regulator-dummy [ 1.040000] vddsoc: supplied by regulator-dummy [ 2.369037] No ATAGs? [ 2.370076] hw-breakpoint: found 5 (+1 reserved) breakpoint and 1 watchpoint registers. [ 2.370162] hw-breakpoint: maximum watchpoint size is 4 bytes. [ 2.389976] imx6q-pinctrl 20e0000.pinctrl: initialized IMX pinctrl driver [ 2.419616] Serial: AMBA PL011 UART driver [ 2.484745] Kprobes globally optimized [ 2.604793] iommu: Default domain type: Translated [ 2.606911] vgaarb: loaded [ 2.611874] SCSI subsystem initialized [ 2.614057] usbcore: registered new interface driver usbfs [ 2.614367] usbcore: registered new interface driver hub [ 2.614605] usbcore: registered new device driver usb [ 2.622403] i2c i2c-0: IMX I2C adapter registered [ 2.629591] i2c i2c-1: IMX I2C adapter registered [ 2.634161] i2c i2c-2: IMX I2C adapter registered [ 2.638787] pps_core: LinuxPPS API ver. 1 registered [ 2.638829] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 2.639210] PTP clock support registered [ 2.657079] clocksource: Switched to clocksource mxc_timer1 [ 4.398039] NET: Registered protocol family 2 [ 4.398786] IP idents hash table entries: 16384 (order: 5, 131072 bytes, linear) [ 4.402242] tcp_listen_portaddr_hash hash table entries: 512 (order: 2, 22528 bytes, linear) [ 4.402424] TCP established hash table entries: 8192 (order: 3, 32768 bytes, linear) [ 4.402660] TCP bind hash table entries: 8192 (order: 6, 327680 bytes, linear) [ 4.404103] TCP: Hash tables configured (established 8192 bind 8192) [ 4.405176] MPTCP token hash table entries: 1024 (order: 3, 49152 bytes, linear) [ 4.405524] UDP hash table entries: 512 (order: 3, 49152 bytes, linear) [ 4.405786] UDP-Lite hash table entries: 512 (order: 3, 49152 bytes, linear) [ 4.406536] NET: Registered protocol family 1 [ 4.409716] RPC: Registered named UNIX socket transport module. [ 4.409809] RPC: Registered udp transport module. [ 4.409850] RPC: Registered tcp transport module. [ 4.409890] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 4.409943] NET: Registered protocol family 44 [ 4.410009] PCI: CLS 0 bytes, default 64 [ 4.412489] Trying to unpack rootfs image as initramfs... [ 6.307961] Freeing initrd memory: 15072K [ 6.308934] hw perfevents: no interrupt-affinity property for /pmu, guessing. [ 6.310230] hw perfevents: enabled with armv7_cortex_a9 PMU driver, 7 counters available [ 6.319578] Initialise system trusted keyrings [ 6.320652] workingset: timestamp_bits=30 max_order=18 bucket_order=0 [ 6.371859] squashfs: version 4.0 (2009/01/31) Phillip Lougher [ 6.375627] NFS: Registering the id_resolver key type [ 6.375827] Key type id_resolver registered [ 6.375917] Key type id_legacy registered [ 6.376560] nfs4filelayout_init: NFSv4 File Layout Driver Registering... [ 6.376665] nfs4flexfilelayout_init: NFSv4 Flexfile Layout Driver Registering... [ 6.376976] ntfs: driver 2.1.32 [Flags: R/O]. [ 6.379148] Key type asymmetric registered [ 6.379273] Asymmetric key parser 'x509' registered [ 6.379726] bounce: pool size: 64 pages [ 6.379891] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 247) [ 6.379996] io scheduler mq-deadline registered [ 6.380040] io scheduler kyber registered [ 6.380968] test_firmware: interface ready [ 6.564174] mxs-dma 110000.dma-apbh: initialized [ 6.630545] imx-sdma 20ec000.sdma: Direct firmware load for imx/sdma/sdma-imx6q.bin failed with error -2 [ 6.630797] imx-sdma 20ec000.sdma: external firmware not found, using ROM firmware [ 6.903924] Serial: 8250/16550 driver, 5 ports, IRQ sharing enabled [ 6.925090] SuperH (H)SCI(F) driver initialized [ 6.928255] 2020000.serial: ttymxc0 at MMIO 0x2020000 (irq = 34, base_baud = 5000000) is a IMX [ 6.933460] 21e8000.serial: ttymxc1 at MMIO 0x21e8000 (irq = 81, base_baud = 5000000) is a IMX [ 7.865919] printk: console [ttymxc1] enabled [ 7.877138] msm_serial: driver initialized [ 7.882372] STMicroelectronics ASC driver initialized [ 7.894148] STM32 USART driver initialized [ 7.921746] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 0 [ 7.944351] panel-simple panel-lcd: supply power not found, using dummy regulator [ 7.952896] panel-simple panel-lcd: Specify missing connector_type [ 7.960824] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 8.017038] brd: module loaded [ 8.080081] loop: module loaded [ 8.086681] lkdtm: No crash points registered, enable through debugfs [ 8.109504] ahci-imx 2200000.sata: fsl,transmit-level-mV not specified, using 00000024 [ 8.117607] ahci-imx 2200000.sata: fsl,transmit-boost-mdB not specified, using 00000480 [ 8.125659] ahci-imx 2200000.sata: fsl,transmit-atten-16ths not specified, using 00002000 [ 8.133951] ahci-imx 2200000.sata: fsl,receive-eq-mdB not specified, using 05000000 [ 8.142048] ahci-imx 2200000.sata: supply ahci not found, using dummy regulator [ 8.150319] ahci-imx 2200000.sata: supply phy not found, using dummy regulator [ 8.158176] ahci-imx 2200000.sata: supply target not found, using dummy regulator [ 8.169544] ahci-imx 2200000.sata: SSS flag set, parallel bus scan disabled [ 8.176571] ahci-imx 2200000.sata: AHCI 0001.0300 32 slots 1 ports 3 Gbps 0x1 impl platform mode [ 8.185495] ahci-imx 2200000.sata: flags: ncq sntf stag pm led clo only pmp pio slum part ccc apst [ 8.200132] scsi host0: ahci-imx [ 8.205783] ata1: SATA max UDMA/133 mmio [mem 0x02200000-0x02203fff] port 0x100 irq 84 [ 8.272720] bgmac_bcma: Broadcom 47xx GBit MAC driver loaded [ 8.286518] pps pps0: new PPS source ptp0 [ 8.333232] fec 2188000.ethernet eth0: registered PHC device 0 [ 8.344095] e1000e: Intel(R) PRO/1000 Network Driver [ 8.349175] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. [ 8.355379] igb: Intel(R) Gigabit Ethernet Network Driver [ 8.360870] igb: Copyright (c) 2007-2014 Intel Corporation. [ 8.389474] pegasus: v0.9.3 (2013/04/25), Pegasus/Pegasus II USB Ethernet driver [ 8.397156] usbcore: registered new interface driver pegasus [ 8.403067] usbcore: registered new interface driver asix [ 8.408708] usbcore: registered new interface driver ax88179_178a [ 8.414999] usbcore: registered new interface driver cdc_ether [ 8.421141] usbcore: registered new interface driver smsc75xx [ 8.427193] usbcore: registered new interface driver smsc95xx [ 8.433119] usbcore: registered new interface driver net1080 [ 8.439021] usbcore: registered new interface driver cdc_subset [ 8.445137] usbcore: registered new interface driver zaurus [ 8.451078] usbcore: registered new interface driver cdc_ncm [ 8.470040] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 8.476684] ehci-pci: EHCI PCI platform driver [ 8.481387] ehci-platform: EHCI generic platform driver [ 8.487746] ehci-orion: EHCI orion driver [ 8.492732] SPEAr-ehci: EHCI SPEAr driver [ 8.497734] ehci-st: EHCI STMicroelectronics driver [ 8.503539] ehci-exynos: EHCI Exynos driver [ 8.508710] ehci-atmel: EHCI Atmel driver [ 8.513629] tegra-ehci: Tegra EHCI driver [ 8.518680] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 8.525026] ohci-pci: OHCI PCI platform driver [ 8.529745] ohci-platform: OHCI generic platform driver [ 8.536025] SPEAr-ohci: OHCI SPEAr driver [ 8.541038] ohci-st: OHCI STMicroelectronics driver [ 8.546905] ohci-atmel: OHCI Atmel driver [ 8.554594] usbcore: registered new interface driver usb-storage [ 8.594693] i2c /dev entries driver [ 8.684618] sdhci: Secure Digital Host Controller Interface driver [ 8.690916] sdhci: Copyright(c) Pierre Ossman [ 8.705309] Synopsys Designware Multimedia Card Interface Driver [ 8.716960] ata1: SATA link up 3.0 Gbps (SStatus 123 SControl 300) [ 8.719205] sdhci-pltfm: SDHCI platform and OF driver helper [ 8.723921] ata1.00: ATA-8: INTEL SSDSA2CW080G3, 4PC10362, max UDMA/133 [ 8.735667] ata1.00: 156301488 sectors, multi 1: LBA48 NCQ (depth 32) [ 8.745028] sdhci-esdhc-imx 219c000.mmc: Got CD GPIO [ 8.745035] sdhci-esdhc-imx 2198000.mmc: Got CD GPIO [ 8.755365] ata1.00: configured for UDMA/133 [ 8.755425] sdhci-esdhc-imx 2198000.mmc: Got WP GPIO [ 8.766861] ledtrig-cpu: registered to indicate activity on CPUs [ 8.768352] scsi 0:0:0:0: Direct-Access ATA INTEL SSDSA2CW08 0362 PQ: 0 ANSI: 5 [ 8.776914] usbcore: registered new interface driver usbhid [ 8.784611] mmc3: SDHCI controller on 219c000.mmc [219c000.mmc] using ADMA [ 8.786675] usbhid: USB HID core driver [ 8.788428] ata1.00: Enabling discard_zeroes_data [ 8.803641] sd 0:0:0:0: [sda] 156301488 512-byte logical blocks: (80.0 GB/74.5 GiB) [ 8.811675] sd 0:0:0:0: [sda] Write Protect is off [ 8.812565] ipip: IPv4 and MPLS over IPv4 tunneling driver [ 8.822497] sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA [ 8.824748] gre: GRE over IPv4 demultiplexor driver [ 8.830634] mmc2: SDHCI controller on 2198000.mmc [2198000.mmc] using ADMA [ 8.843484] ip_gre: GRE over IPv4 tunneling driver [ 8.854667] IPv4 over IPsec tunneling driver [ 8.864453] NET: Registered protocol family 10 [ 8.871816] mmc2: new high speed SDHC card at address 0001 [ 8.875839] Segment Routing with IPv6 [ 8.880718] ata1.00: Enabling discard_zeroes_data [ 8.882275] mmcblk2: mmc2:0001 SD 14.6 GiB [ 8.888671] ip6_gre: GRE over IPv6 tunneling driver [ 8.891003] sda: sda1 sda2 sda3 [ 8.898453] NET: Registered protocol family 17 [ 8.904952] Key type dns_resolver registered [ 8.909675] ata1.00: Enabling discard_zeroes_data [ 8.917529] sd 0:0:0:0: [sda] Attached SCSI disk [ 8.927357] GPT:Primary header thinks Alt. header is not at the end of the disk. [ 8.930378] ThumbEE CPU extension supported. [ 8.934867] GPT:29296874 != 30560255 [ 8.939465] Registering SWP/SWPB emulation handler [ 8.943072] GPT:Alternate GPT header not at the end of the disk. [ 8.953963] GPT:29296874 != 30560255 [ 8.957607] Loading compiled-in X.509 certificates [ 8.962446] GPT: Use GNU Parted to correct GPT errors. [ 8.967748] mmcblk2: p1 p2 p3 [ 9.141015] panel-simple panel-lcd: supply power not found, using dummy regulator [ 9.149452] panel-simple panel-lcd: Specify missing connector_type [ 9.162750] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 9.199915] imx_usb 2184200.usb: No over current polarity defined [ 9.213466] ci_hdrc ci_hdrc.1: EHCI Host Controller [ 9.218843] ci_hdrc ci_hdrc.1: new USB bus registered, assigned bus number 1 [ 9.247508] ci_hdrc ci_hdrc.1: USB 2.0 started, EHCI 1.00 [ 9.269027] hub 1-0:1.0: USB hub found [ 9.275378] hub 1-0:1.0: 1 port detected [ 9.292273] imx_thermal 20c8000.anatop:tempmon: Automotive CPU temperature grade - max:125C critical:120C passive:115C [ 9.325296] panel-simple panel-lcd: supply power not found, using dummy regulator [ 9.333688] panel-simple panel-lcd: Specify missing connector_type [ 9.347088] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 9.378333] panel-simple panel-lcd: supply power not found, using dummy regulator [ 9.386622] panel-simple panel-lcd: Specify missing connector_type [ 9.400005] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 9.419656] input: gpio-keys as /devices/platform/gpio-keys/input/input0 [ 9.449244] panel-simple panel-lcd: supply power not found, using dummy regulator [ 9.457604] panel-simple panel-lcd: Specify missing connector_type [ 9.470950] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 9.491997] Micrel KSZ9021 Gigabit PHY 2188000.ethernet-1:07: attached PHY driver [Micrel KSZ9021 Gigabit PHY] (mii_bus:phy_addr=2188000.ethernet-1:07, irq=POLL) [ 9.507416] IP-Config: Failed to open gretap0 [ 9.511819] IP-Config: Failed to open erspan0 [ 9.546900] Sending DHCP requests . [ 9.667189] usb 1-1: new high-speed USB device number 2 using ci_hdrc [ 9.886501] hub 1-1:1.0: USB hub found [ 9.890869] hub 1-1:1.0: 3 ports detected [ 9.925716] panel-simple panel-lcd: supply power not found, using dummy regulator [ 9.934264] panel-simple panel-lcd: Specify missing connector_type [ 9.949984] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 11.598528] fec 2188000.ethernet eth0: Link is Up - 100Mbps/Full - flow control rx/tx [ 11.607675] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready [ 11.667153] ., OK [ 11.709461] IP-Config: Got DHCP answer from 192.168.101.1, my address is 192.168.101.99 [ 11.717715] IP-Config: Complete: [ 11.721033] device=eth0, hwaddr=00:19:b8:07:40:03, ipaddr=192.168.101.99, mask=255.255.255.0, gw=192.168.101.1 [ 11.731568] host=imx6q-sabrelite-cbg-0, domain=lava.cbg.collabora.co.uk, nis-domain=(none) [ 11.740344] bootserver=192.168.101.1, rootserver=192.168.101.1, rootpath= [ 11.740364] nameserver0=192.168.101.1 [ 11.803430] Freeing unused kernel memory: 2048K [ 11.838761] Run /init as init process Loading, please wait... Starting version 247.3-7+deb11u1 [ 15.943646] imx-ipuv3 2400000.ipu: IPUv3H probed [ 16.022460] imx-ipuv3 2800000.ipu: IPUv3H probed [ 16.036033] panel-simple panel-lcd: supply power not found, using dummy regulator [ 16.058593] panel-simple panel-lcd: Specify missing connector_type [ 16.083623] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 16.086154] CAN device driver interface [ 16.125048] panel-simple panel-lcd: supply power not found, using dummy regulator [ 16.136213] panel-simple panel-lcd: Specify missing connector_type [ 16.172913] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 16.215388] panel-simple panel-lcd: supply power not found, using dummy regulator [ 16.226087] panel-simple panel-lcd: Specify missing connector_type [ 16.247701] etnaviv etnaviv: bound 130000.gpu (ops gpu_ops [etnaviv]) [ 16.257081] etnaviv etnaviv: bound 134000.gpu (ops gpu_ops [etnaviv]) [ 16.263758] caam 2100000.crypto: Entropy delay = 3200 [ 16.279281] etnaviv etnaviv: bound 2204000.gpu (ops gpu_ops [etnaviv]) [ 16.285895] etnaviv-gpu 130000.gpu: model: GC2000, revision: 5108 [ 16.329812] caam 2100000.crypto: Instantiated RNG4 SH0 [ 16.390569] caam 2100000.crypto: Instantiated RNG4 SH1 [ 16.395775] caam 2100000.crypto: device ID = 0x0a16010000000000 (Era 4) [ 16.399156] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 16.402504] caam 2100000.crypto: job rings = 2, qi = 0 [ 16.445616] panel-simple panel-lcd: supply power not found, using dummy regulator [ 16.457285] panel-simple panel-lcd: Specify missing connector_type [ 16.465088] sgtl5000 0-000a: sgtl5000 revision 0x11 [ 16.474141] etnaviv-gpu 134000.gpu: model: GC320, revision: 5007 [ 16.480938] etnaviv-gpu 2204000.gpu: model: GC355, revision: 1215 [ 16.487258] etnaviv-gpu 2204000.gpu: Ignoring GPU with VG and FE2.0 [ 16.507063] sgtl5000 0-000a: Using internal LDO instead of VDDD: check ER1 erratum [ 16.511135] [drm] Initialized etnaviv 1.3.0 20151214 for etnaviv on minor 1 [ 16.526365] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 16.553137] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) [ 16.562060] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) [ 16.571055] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) [ 16.604277] usb_phy_generic usbphynop1: supply vcc not found, using dummy regulator [ 16.622400] usb_phy_generic usbphynop1: dummy supplies not allowed for exclusive requests [ 16.627498] panel-simple panel-lcd: supply power not found, using dummy regulator [ 16.627954] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) [ 16.631529] usb_phy_generic usbphynop2: supply vcc not found, using dummy regulator [ 16.639006] panel-simple panel-lcd: Specify missing connector_type [ 16.647705] usb_phy_generic usbphynop2: dummy supplies not allowed for exclusive requests [ 16.696959] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 16.770378] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) [ 16.779484] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) [ 16.788245] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) [ 16.796707] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) [ 16.823260] panel-simple panel-lcd: supply power not found, using dummy regulator [ 16.831771] panel-simple panel-lcd: Specify missing connector_type [ 17.319258] caam algorithms registered in /proc/crypto [ 17.334655] caam 2100000.crypto: registering rng-caam [ 17.462938] random: crng init done [ 17.468678] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 17.540383] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) [ 17.549010] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) [ 17.557549] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) [ 17.565999] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) [ 17.581566] panel-simple panel-lcd: supply power not found, using dummy regulator [ 17.590200] panel-simple panel-lcd: Specify missing connector_type [ 17.610904] panel-simple panel-lvds0: supply power not found, using dummy regulator Begin: Loading essential drivers ... done. Begin: Running /scripts/init-premount ... done. Begin: Mounting root file system ... Begin: Running /scripts/nfs-top ... done. Begin: Running /scripts/nfs-premount ... done. IP-Config: erspan0 hardware address 00:00:00:00:00:00 mtu 1450 DHCP SIOCSIFFLAGS: Cannot assign requested address IP-Config: gretap0 hardware address 00:00:00:00:00:00 mtu 1462 DHCP SIOCSIFFLAGS: Cannot assign requested address IP-Config: eth0 hardware address 00:19:b8:07:40:03 mtu 1500 DHCP IP-Config: eth0 complete (dhcp from 192.168.101.1): address: 192.168.101.99 broadcast: 192.168.101.255 netmask: 255.255.255.0 gateway: 192.168.101.1 dns0 : 192.168.101.1 dns1 : 0.0.0.0 host : imx6q-sabrelite-cbg-0 domain : lava.cbg.collabora.co.uk rootserver: 192.168.101.1 rootpath: filename : done. Begin: Running /scripts/nfs-bottom ... done. Begin: Running /scripts/init-bottom ... done. [ 20.726594] systemd[1]: System time before build time, advancing clock. [ 20.996595] systemd[1]: systemd 247.3-7+deb11u1 running in system mode. (+PAM +AUDIT +SELINUX +IMA +APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL +XZ +LZ4 +ZSTD +SECCOMP +BLKID +ELFUTILS +KMOD +IDN2 -IDN +PCRE2 default-hierarchy=unified) [ 21.029797] systemd[1]: Detected architecture arm. Welcome to Debian GNU/Linux 11 (bullseye)! [ 21.104784] systemd[1]: Set hostname to . [ 22.984045] systemd[1]: Queued start job for default target Graphical Interface. [ 22.999700] systemd[1]: Created slice system-getty.slice. [ OK ] Created slice system-getty.slice. [ 23.044021] systemd[1]: Created slice system-modprobe.slice. [ OK ] Created slice system-modprobe.slice. [ 23.092139] systemd[1]: Created slice system-serial\x2dgetty.slice. [ OK ] Created slice system-serial\x2dgetty.slice. [ 23.141859] systemd[1]: Created slice User and Session Slice. [ OK ] Created slice User and Session Slice. [ 23.191642] systemd[1]: Started Dispatch Password Requests to Console Directory Watch. [ OK ] Started Dispatch Password …ts to Console Directory Watch. [ 23.240916] systemd[1]: Started Forward Password Requests to Wall Directory Watch. [ OK ] Started Forward Password R…uests to Wall Directory Watch. [ 23.288925] systemd[1]: Condition check resulted in Arbitrary Executable File Formats File System Automount Point being skipped. [ 23.302883] systemd[1]: Reached target Local Encrypted Volumes. [ OK ] Reached target Local Encrypted Volumes. [ 23.349750] systemd[1]: Reached target Paths. [ OK ] Reached target Paths. [ 23.387898] systemd[1]: Reached target Remote File Systems. [ OK ] Reached target Remote File Systems. [ 23.439031] systemd[1]: Reached target Slices. [ OK ] Reached target Slices. [ 23.479136] systemd[1]: Reached target Swap. [ OK ] Reached target Swap. [ 23.519437] systemd[1]: Listening on initctl Compatibility Named Pipe. [ OK ] Listening on initctl Compatibility Named Pipe. [ 23.617179] systemd[1]: Condition check resulted in Journal Audit Socket being skipped. [ 23.630681] systemd[1]: Listening on Journal Socket (/dev/log). [ OK ] Listening on Journal Socket (/dev/log). [ 23.684301] systemd[1]: Listening on Journal Socket. [ OK ] Listening on Journal Socket. [ 23.734545] systemd[1]: Listening on Network Service Netlink Socket. [ OK ] Listening on Network Service Netlink Socket. [ 23.789271] systemd[1]: Listening on udev Control Socket. [ OK ] Listening on udev Control Socket. [ 23.830049] systemd[1]: Listening on udev Kernel Socket. [ OK ] Listening on udev Kernel Socket. [ 23.871722] systemd[1]: Condition check resulted in Huge Pages File System being skipped. [ 23.882113] systemd[1]: Condition check resulted in POSIX Message Queue File System being skipped. [ 23.901557] systemd[1]: Mounting Kernel Debug File System... Mounting Kernel Debug File System... [ 23.952224] systemd[1]: Mounting Kernel Trace File System... Mounting Kernel Trace File System... [ 24.003405] systemd[1]: Starting Create list of static device nodes for the current kernel... Starting Create list of st…odes for the current kernel... [ 24.069084] systemd[1]: Starting Load Kernel Module configfs... Starting Load Kernel Module configfs... [ 24.129204] systemd[1]: Starting Load Kernel Module drm... Starting Load Kernel Module drm... [ 24.189767] systemd[1]: Starting Load Kernel Module fuse... Starting Load Kernel Module fuse... [ 24.263179] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped. [ 24.272504] fuse: init (API version 7.32) [ 24.293287] systemd[1]: Starting Journal Service... Starting Journal Service... [ 24.364977] systemd[1]: Starting Load Kernel Modules... Starting Load Kernel Modules... [ 24.409343] systemd[1]: Starting Remount Root and Kernel File Systems... Starting Remount Root and Kernel File Systems... [ 24.459020] systemd[1]: Starting Coldplug All udev Devices... Starting Coldplug All udev Devices... [ 24.528868] systemd[1]: Mounted Kernel Debug File System. [ OK ] Mounted Kernel Debug File System. [ 24.589303] systemd[1]: Mounted Kernel Trace File System. [ OK ] Mounted Kernel Trace File System. [ 24.657032] systemd[1]: Finished Create list of static device nodes for the current kernel. [ OK ] Finished Create list of st… nodes for the current kernel. [ 24.744082] systemd[1]: modprobe@configfs.service: Succeeded. [ 24.754549] systemd[1]: Finished Load Kernel Module configfs. [ OK ] Finished Load Kernel Module configfs. [ 24.802979] systemd[1]: modprobe@drm.service: Succeeded. [ 24.813176] systemd[1]: Finished Load Kernel Module drm. [ OK ] Finished Load Kernel Module drm. [ 24.853315] systemd[1]: modprobe@fuse.service: Succeeded. [ 24.863640] systemd[1]: Finished Load Kernel Module fuse. [ OK ] Finished Load Kernel Module fuse. [ 24.912940] systemd[1]: Finished Load Kernel Modules. [ OK ] Finished Load Kernel Modules. [ 24.952749] systemd[1]: Finished Remount Root and Kernel File Systems. [ OK ] Finished Remount Root and Kernel File Systems. [ 25.010017] systemd[1]: Mounting FUSE Control File System... Mounting FUSE Control File System... [ 25.057209] systemd[1]: Mounting Kernel Configuration File System... Mounting Kernel Configuration File System... [ 25.107026] systemd[1]: Condition check resulted in Rebuild Hardware Database being skipped. [ 25.116632] systemd[1]: Condition check resulted in Platform Persistent Storage Archival being skipped. [ 25.135909] systemd[1]: Starting Load/Save Random Seed... Starting Load/Save Random Seed... [ 25.187682] systemd[1]: Starting Apply Kernel Variables... Starting Apply Kernel Variables... [ 25.239314] systemd[1]: Starting Create System Users... Starting Create System Users... [ 25.285164] 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. Starting Flush Journal to Persistent Storage... [ OK ] Finished Create System Users. Starting Create Static Device Nodes in /dev... [ 25.625470] systemd-journald[269]: Received client request to flush runtime journal. [ OK ] Finished Create Static Device Nodes in /dev. [ OK ] Reached target Local File Systems (Pre). [ OK ] Reached target Local File Systems. Starting Rule-based Manage…for Device Events and Files... [ OK ] Finished Flush Journal to Persistent Storage. Starting Create Volatile Files and Directories... [ OK ] Started Rule-based Manager for Device Events and Files. Starting Network Service... [ OK ] Finished Create Volatile Files and Directories. Starting Network Time Synchronization... Starting Update UTMP about System Boot/Shutdown... [ OK ] Started Network Service. Starting Network Name Resolution... [ OK ] Finished Update UTMP about System Boot/Shutdown. [ OK ] Started Network Time Synchronization. [ OK ] Reached target System Time Set. [ OK ] Reached target System Time Synchronized. [ OK ] Finished Coldplug All udev Devices. [ OK ] Reached target System Initialization. [ OK ] Started Daily apt download activities. [ OK ] Started Daily apt upgrade and clean activities. [ OK ] Started Periodic ext4 Onli…ata Check for All Filesystems. [ OK ] Started Discard unused blocks once a week. [ OK ] Started Daily Cleanup of Temporary Directories. [ OK ] Reached target Timers. [ OK ] Listening on D-Bus System Message Bus Socket. [ OK ] Reached target Sockets. [ OK ] Reached target Basic System. [ OK ] Started D-Bus System Message Bus. Starting Remove Stale Onli…t4 Metadata Check Snapshots... Starting User Login Management... [ OK ] Started Network Name Resolution. [ OK ] Found device /dev/ttymxc1. [ 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 ] Reached target Hardware activated USB gadget. [ 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 5.10.158-cip21 #1 SMP Thu Dec 8 15:03:54 UTC 2022 armv7l The programs included with the Debian GNU/Linux system are free software; the exact distribution terms for each program are described in the individual files in /usr/share/doc/*/copyright. Debian GNU/Linux comes with ABSOLUTELY NO WARRANTY, to the extent permitted by applicable law. / # / # export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/8290547/extract-nfsrootfs-02w06hii' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/8290547/extract-nfsrootfs-02w06hii' / # export NFS_SERVER_IP='192.168.101.1' export NFS_SERVER_IP='192.168.101.1' / # # # / # export SHELL=/bin/bash export SHELL=/bin/bash / # . /lava-8290547/environment . /lava-8290547/environment / # /lava-8290547/bin/lava-test-runner /lava-8290547/0 /lava-8290547/bin/lava-test-runner /lava-8290547/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-8290547/0/tests/0_timesync-off ++ cat uuid + UUID=8290547_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-8290547/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=8290547_1.6.2.4.5 + set +x + cd ./automated/linux/kselftest/ + ./kselftest.sh -c lkdtm -T '' -t kselftest_armhf.tar.gz -s false -u http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.155-cip21-405-g26d566555c3de/arm/multi_v7_defconfig+kselftest/gcc-10/kselftest.tar.xz -L '' -S skipfile-lkft.yaml -b imx6q-sabrelite -g cip-gitlab -e '' -p /opt/kselftests/mainline/ -n 1 -i 1 INFO: Generating a skipfile based on /lava-8290547/0/tests/1_kselftest-lkdtm/automated/linux/kselftest/skipfile-lkft.yaml INFO: Using the following generated skipfile contents (until EOF): breakpoints:breakpoint_test breakpoints:step_after_suspend_test ftrace:ftracetest net:rtnetlink.sh net:tls netfilter:bridge_brouter.sh netfilter:nft_flowtable.sh netfilter:nft_trans_stress.sh pidfd:pidfd_wait INFO: EOF INFO: Installing sed perl wget xz-utils iproute2 Hit:1 http://deb.debian.org/debian bullseye InRelease Reading package lists... Reading package lists... Building dependency tree... Reading state information... iproute2 is already the newest version (5.10.0-4). perl is already the newest version (5.32.1-4+deb11u2). sed is already the newest version (4.7-1). wget is already the newest version (1.21-1+deb11u1). xz-utils is already the newest version (5.2.5-2.1~deb11u1). 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded. --2022-12-08 15:24:06-- http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.155-cip21-405-g26d566555c3de/arm/multi_v7_defconfig+kselftest/gcc-10/kselftest.tar.xz Resolving storage.kernelci.org (storage.kernelci.org)... 52.250.1.28 Connecting to storage.kernelci.org (storage.kernelci.org)|52.250.1.28|:80... connected. HTTP request sent, awaiting response... 200 OK Length: 1408044 (1.3M) [application/octet-stream] Saving to: 'kselftest.tar.xz' kselftest.tar.xz 0%[ ] 0 --.-KB/s kselftest.tar.xz 3%[ ] 50.15K 179KB/s kselftest.tar.xz 14%[=> ] 199.11K 322KB/s kselftest.tar.xz 36%[======> ] 500.31K 588KB/s kselftest.tar.xz 56%[==========> ] 779.81K 742KB/s kselftest.tar.xz 70%[=============> ] 964.12K 755KB/s kselftest.tar.xz 91%[=================> ] 1.23M 854KB/s kselftest.tar.xz 100%[===================>] 1.34M 869KB/s in 1.6s 2022-12-08 15:24:08 (869 KB/s) - 'kselftest.tar.xz' saved [1408044/1408044] skiplist: ======================================== breakpoints:breakpoint_test breakpoints:step_after_suspend_test ftrace:ftracetest net:rtnetlink.sh net:tls netfilter:bridge_brouter.sh netfilter:nft_flowtable.sh netfilter:nft_trans_stress.sh pidfd:pidfd_wait ======================================== lkdtm:PANIC.sh lkdtm:BUG.sh lkdtm:WARNING.sh lkdtm:WARNING_MESSAGE.sh lkdtm:EXCEPTION.sh lkdtm:LOOP.sh lkdtm:EXHAUST_STACK.sh lkdtm:CORRUPT_STACK.sh lkdtm:CORRUPT_STACK_STRONG.sh lkdtm:CORRUPT_LIST_ADD.sh lkdtm:CORRUPT_LIST_DEL.sh lkdtm:STACK_GUARD_PAGE_LEADING.sh lkdtm:STACK_GUARD_PAGE_TRAILING.sh lkdtm:UNSET_SMEP.sh lkdtm:DOUBLE_FAULT.sh lkdtm:CORRUPT_PAC.sh lkdtm:UNALIGNED_LOAD_STORE_WRITE.sh lkdtm:OVERWRITE_ALLOCATION.sh lkdtm:WRITE_AFTER_FREE.sh lkdtm:READ_AFTER_FREE.sh lkdtm:WRITE_BUDDY_AFTER_FREE.sh lkdtm:READ_BUDDY_AFTER_FREE.sh lkdtm:SLAB_FREE_DOUBLE.sh lkdtm:SLAB_FREE_CROSS.sh lkdtm:SLAB_FREE_PAGE.sh lkdtm:SOFTLOCKUP.sh lkdtm:HARDLOCKUP.sh lkdtm:SPINLOCKUP.sh lkdtm:HUNG_TASK.sh lkdtm:EXEC_DATA.sh lkdtm:EXEC_STACK.sh lkdtm:EXEC_KMALLOC.sh lkdtm:EXEC_VMALLOC.sh lkdtm:EXEC_RODATA.sh lkdtm:EXEC_USERSPACE.sh lkdtm:EXEC_NULL.sh lkdtm:ACCESS_USERSPACE.sh lkdtm:ACCESS_NULL.sh lkdtm:WRITE_RO.sh lkdtm:WRITE_RO_AFTER_INIT.sh lkdtm:WRITE_KERN.sh lkdtm:REFCOUNT_INC_OVERFLOW.sh lkdtm:REFCOUNT_ADD_OVERFLOW.sh lkdtm:REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_DEC_ZERO.sh lkdtm:REFCOUNT_DEC_NEGATIVE.sh lkdtm:REFCOUNT_DEC_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_SUB_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_INC_ZERO.sh lkdtm:REFCOUNT_ADD_ZERO.sh lkdtm:REFCOUNT_INC_SATURATED.sh lkdtm:REFCOUNT_DEC_SATURATED.sh lkdtm:REFCOUNT_ADD_SATURATED.sh lkdtm:REFCOUNT_INC_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_DEC_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_SUB_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_TIMING.sh lkdtm:ATOMIC_TIMING.sh lkdtm:USERCOPY_HEAP_SIZE_TO.sh lkdtm:USERCOPY_HEAP_SIZE_FROM.sh lkdtm:USERCOPY_HEAP_WHITELIST_TO.sh lkdtm:USERCOPY_HEAP_WHITELIST_FROM.sh lkdtm:USERCOPY_STACK_FRAME_TO.sh lkdtm:USERCOPY_STACK_FRAME_FROM.sh lkdtm:USERCOPY_STACK_BEYOND.sh lkdtm:USERCOPY_KERNEL.sh lkdtm:STACKLEAK_ERASING.sh lkdtm:CFI_FORWARD_PROTO.sh ============== Tests to run =============== lkdtm:PANIC.sh lkdtm:BUG.sh lkdtm:WARNING.sh lkdtm:WARNING_MESSAGE.sh lkdtm:EXCEPTION.sh lkdtm:LOOP.sh lkdtm:EXHAUST_STACK.sh lkdtm:CORRUPT_STACK.sh lkdtm:CORRUPT_STACK_STRONG.sh lkdtm:CORRUPT_LIST_ADD.sh lkdtm:CORRUPT_LIST_DEL.sh lkdtm:STACK_GUARD_PAGE_LEADING.sh lkdtm:STACK_GUARD_PAGE_TRAILING.sh lkdtm:UNSET_SMEP.sh lkdtm:DOUBLE_FAULT.sh lkdtm:CORRUPT_PAC.sh lkdtm:UNALIGNED_LOAD_STORE_WRITE.sh lkdtm:OVERWRITE_ALLOCATION.sh lkdtm:WRITE_AFTER_FREE.sh lkdtm:READ_AFTER_FREE.sh lkdtm:WRITE_BUDDY_AFTER_FREE.sh lkdtm:READ_BUDDY_AFTER_FREE.sh lkdtm:SLAB_FREE_DOUBLE.sh lkdtm:SLAB_FREE_CROSS.sh lkdtm:SLAB_FREE_PAGE.sh lkdtm:SOFTLOCKUP.sh lkdtm:HARDLOCKUP.sh lkdtm:SPINLOCKUP.sh lkdtm:HUNG_TASK.sh lkdtm:EXEC_DATA.sh lkdtm:EXEC_STACK.sh lkdtm:EXEC_KMALLOC.sh lkdtm:EXEC_VMALLOC.sh lkdtm:EXEC_RODATA.sh lkdtm:EXEC_USERSPACE.sh lkdtm:EXEC_NULL.sh lkdtm:ACCESS_USERSPACE.sh lkdtm:ACCESS_NULL.sh lkdtm:WRITE_RO.sh lkdtm:WRITE_RO_AFTER_INIT.sh lkdtm:WRITE_KERN.sh lkdtm:REFCOUNT_INC_OVERFLOW.sh lkdtm:REFCOUNT_ADD_OVERFLOW.sh lkdtm:REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_DEC_ZERO.sh lkdtm:REFCOUNT_DEC_NEGATIVE.sh lkdtm:REFCOUNT_DEC_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_SUB_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_INC_ZERO.sh lkdtm:REFCOUNT_ADD_ZERO.sh lkdtm:REFCOUNT_INC_SATURATED.sh lkdtm:REFCOUNT_DEC_SATURATED.sh lkdtm:REFCOUNT_ADD_SATURATED.sh lkdtm:REFCOUNT_INC_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_DEC_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_SUB_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_TIMING.sh lkdtm:ATOMIC_TIMING.sh lkdtm:USERCOPY_HEAP_SIZE_TO.sh lkdtm:USERCOPY_HEAP_SIZE_FROM.sh lkdtm:USERCOPY_HEAP_WHITELIST_TO.sh lkdtm:USERCOPY_HEAP_WHITELIST_FROM.sh lkdtm:USERCOPY_STACK_FRAME_TO.sh lkdtm:USERCOPY_STACK_FRAME_FROM.sh lkdtm:USERCOPY_STACK_BEYOND.sh lkdtm:USERCOPY_KERNEL.sh lkdtm:STACKLEAK_ERASING.sh lkdtm:CFI_FORWARD_PROTO.sh ===========End Tests to run =============== [ 96.332480] 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 [ 97.141633] lkdtm: Performing direct entry BUG [ 97.146414] ------------[ cut here ]------------ [ 97.151052] kernel BUG at drivers/misc/lkdtm/bugs.c:76! [ 97.156302] Internal error: Oops - BUG: 0 [#1] SMP ARM [ 97.161463] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan parallel_display etnaviv can_dev imxdrm gpu_sched imx_ipu_v3 [ 97.190757] CPU: 2 PID: 802 Comm: cat Not tainted 5.10.158-cip21 #1 [ 97.197046] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 97.203621] PC is at lkdtm_BUG+0x14/0x18 [ 97.207577] LR is at lkdtm_do_action+0x2c/0x4c [ 97.212045] pc : [] lr : [] psr: a00e0013 [ 97.218333] sp : c47e9e58 ip : c47e9e68 fp : c47e9e64 [ 97.223580] r10: 00000004 r9 : c1acc8c8 r8 : c15e8784 [ 97.228827] r7 : c47e9f60 r6 : 00000004 r5 : c6ffb000 r4 : 00000001 [ 97.235375] r3 : c0c2faec r2 : 26ced103 r1 : ef7ab5e0 r0 : c15e878c [ 97.241929] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 97.249086] Control: 10c5387d Table: 1484c04a DAC: 00000051 [ 97.254857] Process cat (pid: 802, stack limit = 0x566d66dc) [ 97.260541] Stack: (0xc47e9e58 to 0xc47ea000) [ 97.264925] 9e40: c47e9e74 c47e9e68 [ 97.273135] 9e60: c0c2f580 c0c2faf8 c47e9e9c c47e9e78 c0c2fa80 c0c2f560 c0c2f960 c2fc9540 [ 97.281343] 9e80: b6e11000 00000004 c52ec3c0 c47e9f60 c47e9ec4 c47e9ea0 c07f6400 c0c2f96c [ 97.289553] 9ea0: 00000000 c2fc9540 b6e11000 c2816000 c47e9f60 c07f639c c47e9f5c c47e9ec8 [ 97.297763] 9ec0: c0598d2c c07f63a8 00000001 00000000 c05992c0 c136f2a0 c05992c0 c47e8000 [ 97.305970] 9ee0: b6e11000 00020000 00000004 00000004 0001fffc c47e9ee0 00000001 b6e10000 [ 97.314178] 9f00: c2fc88c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 97.322385] 9f20: 00000000 00000000 c136f2a0 26ced103 c205c500 c2fc9540 c2fc9540 c47e8000 [ 97.330594] 9f40: b6e11000 00000000 00000000 00000004 c47e9f94 c47e9f60 c05992c0 c0598c2c [ 97.338802] 9f60: 00000000 00000000 c47e9fac 26ced103 00000004 00000004 b6f58e00 00000004 [ 97.347010] 9f80: c03002e4 c47e8000 c47e9fa4 c47e9f98 c0599350 c0599258 00000000 c47e9fa8 [ 97.355217] 9fa0: c03000c0 c0599344 00000004 00000004 00000001 b6e11000 00000004 00000000 [ 97.363424] 9fc0: 00000004 00000004 b6f58e00 00000004 00000001 00000000 00020000 bed98a54 [ 97.371632] 9fe0: 00000004 bed98788 b6ec34cf b6e497e6 800e0030 00000001 00000000 00000000 [ 97.379828] Backtrace: [ 97.382331] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) [ 97.389942] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 97.397989] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 97.405940] r9:c47e9f60 r8:c52ec3c0 r7:00000004 r6:b6e11000 r5:c2fc9540 r4:c0c2f960 [ 97.413723] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 97.421584] r9:c07f639c r8:c47e9f60 r7:c2816000 r6:b6e11000 r5:c2fc9540 r4:00000000 [ 97.429359] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 97.436525] r10:00000004 r9:00000000 r8:00000000 r7:b6e11000 r6:c47e8000 r5:c2fc9540 [ 97.444373] r4:c2fc9540 [ 97.446939] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 97.454103] r9:c47e8000 r8:c03002e4 r7:00000004 r6:b6f58e00 r5:00000004 r4:00000004 [ 97.461882] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 97.469472] Exception stack(0xc47e9fa8 to 0xc47e9ff0) [ 97.474552] 9fa0: 00000004 00000004 00000001 b6e11000 00000004 00000000 [ 97.482761] 9fc0: 00000004 00000004 b6f58e00 00000004 00000001 00000000 00020000 bed98a54 [ 97.490963] 9fe0: 00000004 bed98788 b6ec34cf b6e497e6 [ 97.496045] Code: e92dd800 e24cb004 e52de004 e8bd4000 (e7f001f2) [ 97.502171] ---[ end trace a80c4e28b0995df7 ]--- [ 97.506817] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 97.515714] in_atomic(): 0, irqs_disabled(): 128, non_block: 0, pid: 802, name: cat [ 97.523388] INFO: lockdep is turned off. [ 97.527330] irq event stamp: 1456 [ 97.530687] hardirqs last enabled at (1455): [] console_unlock+0x4b0/0x6c0 [ 97.538549] hardirqs last disabled at (1456): [] __und_svc+0x60/0x6c [ 97.545807] softirqs last enabled at (960): [] release_sock+0x8c/0xa8 [ 97.553229] softirqs last disabled at (958): [] release_sock+0x28/0xa8 [ 97.560654] CPU: 2 PID: 802 Comm: cat Tainted: G D 5.10.158-cip21 #1 [ 97.568330] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 97.574876] Backtrace: [ 97.577378] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 97.584976] r7:ffffffff r6:600e0093 r5:00000000 r4:c1f0f5f4 [ 97.590669] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 97.598021] [] (dump_stack) from [] (___might_sleep+0x1b0/0x2c0) [ 97.605796] r9:600e0093 r8:0000000b r7:c035bb84 r6:00000031 r5:c19c905c r4:c47e8000 [ 97.613572] [] (___might_sleep) from [] (__might_sleep+0x70/0xb0) [ 97.621427] r6:00000000 r5:00000031 r4:c19c905c [ 97.626091] [] (__might_sleep) from [] (exit_signals+0x4c/0x3fc) [ 97.633861] r6:00000001 r5:c47e8000 r4:c5ac0000 [ 97.638525] [] (exit_signals) from [] (do_exit+0x10c/0xb4c) [ 97.645862] r8:0000000b r7:c1e0facc r6:ffffe000 r5:00000000 r4:c5ac0000 [ 97.652600] [] (do_exit) from [] (die+0x374/0x380) [ 97.659148] r7:c1e0facc [ 97.661712] [] (die) from [] (do_undefinstr+0x170/0x240) [ 97.668792] r10:00000004 r9:c47e8000 r8:c15e8784 r7:00000000 r6:c47e9dc8 r5:c0c2fb00 [ 97.676642] r4:e7f001f2 [ 97.679211] [] (do_undefinstr) from [] (__und_svc_finish+0x0/0x54) [ 97.687147] Exception stack(0xc47e9dc8 to 0xc47e9e10) [ 97.692229] 9dc0: c15e878c ef7ab5e0 26ced103 c0c2faec 00000001 c6ffb000 [ 97.700442] 9de0: 00000004 c47e9f60 c15e8784 c1acc8c8 00000004 c47e9e64 c47e9e68 c47e9e58 [ 97.708644] 9e00: c0c2f580 c0c2fb00 a00e0013 ffffffff [ 97.713721] r7:c47e9dfc r6:ffffffff r5:a00e0013 r4:c0c2fb04 [ 97.719422] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) [ 97.727027] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 97.735070] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 97.743017] r9:c47e9f60 r8:c52ec3c0 r7:00000004 r6:b6e11000 r5:c2fc9540 r4:c0c2f960 [ 97.750797] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 97.758656] r9:c07f639c r8:c47e9f60 r7:c2816000 r6:b6e11000 r5:c2fc9540 r4:00000000 [ 97.766431] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 97.773596] r10:00000004 r9:00000000 r8:00000000 r7:b6e11000 r6:c47e8000 r5:c2fc9540 [ 97.781443] r4:c2fc9540 [ 97.784009] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 97.791173] r9:c47e8000 r8:c03002e4 r7:00000004 r6:b6f58e00 r5:00000004 r4:00000004 [ 97.798946] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 97.806536] Exception stack(0xc47e9fa8 to 0xc47e9ff0) [ 97.811615] 9fa0: 00000004 00000004 00000001 b6e11000 00000004 00000000 [ 97.819823] 9fc0: 00000004 00000004 b6f58e00 00000004 00000001 00000000 00020000 bed98a54 [ 97.828026] 9fe0: 00000004 bed98788 b6ec34cf b6e497e6 # Segmentation fault # [ 97.141633] lkdtm: Performing direct entry BUG # [ 97.146414] ------------[ cut here ]------------ # [ 97.151052] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 97.156302] Internal error: Oops - BUG: 0 [#1] SMP ARM # [ 97.161463] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan parallel_display etnaviv can_dev imxdrm gpu_sched imx_ipu_v3 # [ 97.190757] CPU: 2 PID: 802 Comm: cat Not tainted 5.10.158-cip21 #1 # [ 97.197046] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 97.203621] PC is at lkdtm_BUG+0x14/0x18 # [ 97.207577] LR is at lkdtm_do_action+0x2c/0x4c # [ 97.212045] pc : [] lr : [] psr: a00e0013 # [ 97.218333] sp : c47e9e58 ip : c47e9e68 fp : c47e9e64 # [ 97.223580] r10: 00000004 r9 : c1acc8c8 r8 : c15e8784 # [ 97.228827] r7 : c47e9f60 r6 : 00000004 r5 : c6ffb000 r4 : 00000001 # [ 97.235375] r3 : c0c2faec r2 : 26ced103 r1 : ef7ab5e0 r0 : c15e878c # [ 97.241929] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 97.249086] Control: 10c5387d Table: 1484c04a DAC: 00000051 # [ 97.254857] Process cat (pid: 802, stack limit = 0x566d66dc) # [ 97.260541] Stack: (0xc47e9e58 to 0xc47ea000) # [ 97.264925] 9e40: c47e9e74 c47e9e68 # [ 97.273135] 9e60: c0c2f580 c0c2faf8 c47e9e9c c47e9e78 c0c2fa80 c0c2f560 c0c2f960 c2fc9540 # [ 97.281343] 9e80: b6e11000 00000004 c52ec3c0 c47e9f60 c47e9ec4 c47e9ea0 c07f6400 c0c2f96c # [ 97.289553] 9ea0: 00000000 c2fc9540 b6e11000 c2816000 c47e9f60 c07f639c c47e9f5c c47e9ec8 # [ 97.297763] 9ec0: c0598d2c c07f63a8 00000001 00000000 c05992c0 c136f2a0 c05992c0 c47e8000 # [ 97.305970] 9ee0: b6e11000 00020000 00000004 00000004 0001fffc c47e9ee0 00000001 b6e10000 # [ 97.314178] 9f00: c2fc88c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 97.322385] 9f20: 00000000 00000000 c136f2a0 26ced103 c205c500 c2fc9540 c2fc9540 c47e8000 # [ 97.330594] 9f40: b6e11000 00000000 00000000 00000004 c47e9f94 c47e9f60 c05992c0 c0598c2c # [ 97.338802] 9f60: 00000000 00000000 c47e9fac 26ced103 00000004 00000004 b6f58e00 00000004 # [ 97.347010] 9f80: c03002e4 c47e8000 c47e9fa4 c47e9f98 c0599350 c0599258 00000000 c47e9fa8 # [ 97.355217] 9fa0: c03000c0 c0599344 00000004 00000004 00000001 b6e11000 00000004 00000000 # [ 97.363424] 9fc0: 00000004 00000004 b6f58e00 00000004 00000001 00000000 00020000 bed98a54 # [ 97.371632] 9fe0: 00000004 bed98788 b6ec34cf b6e497e6 800e0030 00000001 00000000 00000000 # [ 97.379828] Backtrace: # [ 97.382331] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) # [ 97.389942] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 97.397989] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 97.405940] r9:c47e9f60 r8:c52ec3c0 r7:00000004 r6:b6e11000 r5:c2fc9540 r4:c0c2f960 # [ 97.413723] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 97.421584] r9:c07f639c r8:c47e9f60 r7:c2816000 r6:b6e11000 r5:c2fc9540 r4:00000000 # [ 97.429359] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 97.436525] r10:00000004 r9:00000000 r8:00000000 r7:b6e11000 r6:c47e8000 r5:c2fc9540 # [ 97.444373] r4:c2fc9540 # [ 97.446939] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 97.454103] r9:c47e8000 r8:c03002e4 r7:00000004 r6:b6f58e00 r5:00000004 r4:00000004 # [ 97.461882] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 97.469472] Exception stack(0xc47e9fa8 to 0xc47e9ff0) # [ 97.474552] 9fa0: 00000004 00000004 00000001 b6e11000 00000004 00000000 # [ 97.482761] 9fc0: 00000004 00000004 b6f58e00 00000004 00000001 00000000 00020000 bed98a54 # [ 97.490963] 9fe0: 00000004 bed98788 b6ec34cf b6e497e6 # [ 97.496045] Code: e92dd800 e24cb004 e52de004 e8bd4000 (e7f001f2) # [ 97.502171] ---[ end trace a80c4e28b0995df7 ]--- # [ 97.506817] BUG: sleep[ 98.279487] lkdtm: Performing direct entry WARNING ing function called from invalid [ 98.284749] ------------[ cut here ]------------ context at include/linux/percpu-r[ 98.292493] WARNING: CPU: 2 PID: 873 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x48/0x4c wsem.h:49 # [ 97.515714] in_at[ 98.303593] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan parallel_display etnaviv can_dev imxdrm gpu_sched imx_ipu_v3 omic(): 0, irqs_disabled(): 128, [ 98.335360] CPU: 2 PID: 873 Comm: cat Tainted: G D W 5.10.158-cip21 #1 non_block: 0, pid: 802, name: cat[ 98.345771] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 97.523388] INFO: lockdep [ 98.355161] Backtrace: is turned off. # [ 97.527330] [ 98.360488] [] (dump_backtrace) from [] (show_stack+0x20/0x24) irq event stamp: 1456 # [ 97.5[ 98.370910] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f5f4 30687] hardirqs last enabled at [ 98.379435] [] (show_stack) from [] (dump_stack+0xe0/0x100) (1455): [] console_unlo[ 98.389610] [] (dump_stack) from [] (__warn+0xfc/0x16c) ck+0x4b0/0x6c0 # [ 97.538549] [ 98.399428] r9:00000009 r8:c0c2fb4c r7:00000053 r6:00000009 r5:c0c2fb4c r4:c1accf84 hardirqs last disabled at (1456):[ 98.410036] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [] __und_svc+0x60/0x6c[ 98.420377] r7:00000053 r6:c1accf84 r5:00000000 r4:c47e8000 # [ 97.545807] softirqs last [ 98.428906] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING+0x48/0x4c) enabled at (960): [] r[ 98.439853] r9:c1acc8cc r8:c15e8784 r7:c47e9f60 r6:00000008 r5:c6ff8000 r4:00000002 elease_sock+0x8c/0xa8 # [ 97.5[ 98.450461] [] (lkdtm_WARNING) from [] (lkdtm_do_action+0x2c/0x4c) 53229] softirqs last disabled at [ 98.461240] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) (958): [] release_sock+[ 98.472109] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) 0x28/0xa8 # [ 97.560654] CPU: [ 98.482880] r9:c47e9f60 r8:c52ec3c0 r7:00000008 r6:b6e2a000 r5:c5c76780 r4:c0c2f960 2 PID: 802 Comm: cat Tainted: G [ 98.493491] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) D 5.10.158-cip21 #1[ 98.504178] r9:c07f639c r8:c47e9f60 r7:c2816000 r6:b6e2a000 r5:c5c76780 r4:00000000 # [ 97.568330] Hardware name:[ 98.514785] [] (vfs_write) from [] (ksys_write+0x74/0xec) Freescale i.MX6 Quad/DualLite (D[ 98.524783] r10:00000004 r9:00000000 r8:00000000 r7:b6e2a000 r6:c47e8000 r5:c5c76780 [ 98.535469] r4:c5c76780 [ 98.538012] [] (ksys_write) from [] (sys_write+0x18/0x1c) evice Tree) # [ 97.574876] Bac[ 98.545156] r9:c47e8000 r8:c03002e4 r7:00000004 r6:b6f71e00 r5:00000008 r4:00000008 [ 98.555762] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 98.563335] Exception stack(0xc47e9fa8 to 0xc47e9ff0) [ 98.568396] 9fa0: 00000008 00000008 00000001 b6e2a000 00000008 00000000 ktrace: # [ 97.577378] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 98.598624] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 97.584976] r7:ffffffff r6:[ 98.607093] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c 600e0093 r5:00000000 r4:c1f0f5f4 [ 98.617464] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 97.590669] [] (s[ 98.627827] softirqs last disabled at (0): [<00000000>] 0x0 how_stack) from [] (dum[ 98.636261] ---[ end trace a80c4e28b0995df8 ]--- p_stack+0xe0/0x100) # [ 97.598021] [] (dump_stack) from [] (___might_sleep+0x1b0/0x2c0) # [ 97.605796] r9:600e0093 r8:0000000b r7:c035bb84 r6:00000031 r5:c19c905c r4:c47e8000 # [ 97.613572] [] (___might_sleep) from [] (__might_sleep+0x70/0xb0) # [ 97.621427] r6:00000000 r5:00000031 r4:c19c905c # [ 97.626091] [] (__might_sleep) from [] (exit_signals+0x4c/0x3fc) # [ 97.633861] r6:00000001 r5:c47e8000 r4:c5ac0000 # [ 97.638525] [] (exit_signals) from [] (do_exit+0x10c/0xb4c) # [ 97.645862] r8:0000000b r7:c1e0facc r6:ffffe000 r5:00000000 r4:c5ac0000 # [ 97.652600] [] (do_exit) from [] (die+0x374/0x380) # [ 97.659148] r7:c1e0facc # [ 97.661712] [] (die) from [] (do_undefinstr+0x170/0x240) # [ 97.668792] r10:00000004 r9:c47e8000 r8:c15e8784 r7:00000000 r6:c47e9dc8 r5:c0c2fb00 # [ 97.676642] r4:e7f001f2 # [ 97.679211] [] (do_undefinstr) from [] (__und_svc_finish+0x0/0x54) # [ 97.687147] Exception stack(0xc47e9dc8 to 0xc47e9e10) # [ 97.692229] 9dc0: c15e878c ef7ab5e0 26ced103 c0c2faec 00000001 c6ffb000 # [ 97.700442] 9de0: 00000004 c47e9f60 c15e8784 c1acc8c8 00000004 c47e9e64 c47e9e68 c47e9e58 # [ 97.708644] 9e00: c0c2f580 c0c2fb00 a00e0013 ffffffff # [ 97.713721] r7:c47e9dfc r6:ffffffff r5:a00e0013 r4:c0c2fb04 # [ 97.719422] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) # [ 97.727027] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 97.735070] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 97.743017] r9:c47e9f60 r8:c52ec3c0 r7:00000004 r6:b6e11000 r5:c2fc9540 r4:c0c2f960 # [ 97.750797] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 97.758656] r9:c07f639c r8:c47e9f60 r7:c2816000 r6:b6e11000 r5:c2fc9540 r4:00000000 # [ 97.766431] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 97.773596] r10:00000004 r9:00000000 r8:00000000 r7:b6e11000 r6:c47e8000 r5:c2fc9540 # [ 97.781443] r4:c2fc9540 # [ 97.784009] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 97.791173] r9:c47e8000 r8:c03002e4 r7:00000004 r6:b6f58e00 r5:00000004 r4:00000004 # [ 97.798946] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 97.806536] Exception stack(0xc47e9fa8 to 0xc47e9ff0) # [ 97.811615] 9fa0: 00000004 00000004 00000001 b6e11000 00000004 00000000 # [ 97.819823] 9fc0: 00000004 00000004 b6f58e00 00000004 00000001 00000000 00020000 bed98a54 # [ 97.828026] 9fe0: 00000004 bed98788 b6ec34cf b6e497e6 # BUG: saw 'kernel BUG at': ok ok 2 selftests: lkdtm: BUG.sh # selftests: lkdtm: WARNING.sh # [ 98.279487] lkdtm: Performing direct entry WARNING # [ 98.284749] ------------[ cut here ]------------ # [ 98.292493] WARNING: CPU: 2 PID: 873 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x48/0x4c # [ 98.303593] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan parallel_display etnaviv can_dev imxdrm gpu_sched imx_ipu_v3 # [ 98.335360] CPU: 2 PID: 873 Comm: cat Tainted: G D W 5.10.158-cip21 #1 # [ 98.345771] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 98.355161] Backtrace: # [ 98.360488] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 98.370910] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f5f4 # [ 98.37[ 98.971949] lkdtm: Performing direct entry WARNING_MESSAGE 9435] [] (show_stack) f[ 98.977791] ------------[ cut here ]------------ rom [] (dump_stack+0xe0[ 98.985227] WARNING: CPU: 2 PID: 908 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x4c/0x54 /0x100) # [ 98.389610] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 98[ 99.036087] CPU: 2 PID: 908 Comm: cat Tainted: G D W 5.10.158-cip21 #1 .399428] r9:00000009 r8:c0c2fb4c[ 99.046551] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) r7:00000053 r6:00000009 r5:c0c2f[ 99.055943] Backtrace: b4c r4:c1accf84 # [ 98.410036][ 99.061269] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [] (__warn) from [] (warn_slowpath_fmt+0x8c/0[ 99.080214] [] (show_stack) from [] (dump_stack+0xe0/0x100) xa8) # [ 98.420377] r7:000000[ 99.090387] [] (dump_stack) from [] (__warn+0xfc/0x16c) 53 r6:c1accf84 r5:00000000 r4:c47[ 99.100207] r9:00000009 r8:c0c2fb9c r7:00000058 r6:00000009 r5:c0c2fb9c r4:c1accf84 e8000 # [ 98.428906] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) 0>] (warn_slowpath_fmt) from [] (lkdtm_WARNING+0x48/0x4c[ 99.129687] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING_MESSAGE+0x4c/0x54) ) # [ 98.439853] r9:c1acc8cc [ 99.141327] r9:c1acc8d4 r8:c15e8784 r7:c5f6bf60 r6:00000010 r5:c6ff8000 r4:00000003 r8:c15e8784 r7:c47e9f60 r6:000000[ 99.151937] [] (lkdtm_WARNING_MESSAGE) from [] (lkdtm_do_action+0x2c/0x4c) 08 r5:c6ff8000 r4:00000002 # [ [ 99.163410] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) 98.450461] [] (lkdtm_W[ 99.174278] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) ARNING) from [] (lkdtm_[ 99.185051] r9:c5f6bf60 r8:c52ec3c0 r7:00000010 r6:b6eae000 r5:c5bdec80 r4:c0c2f960 do_action+0x2c/0x4c) # [ 98.46[ 99.195660] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) 1240] [] (lkdtm_do_acti[ 99.206349] r9:c07f639c r8:c5f6bf60 r7:c2816000 r6:b6eae000 r5:c5bdec80 r4:00000000 on) from [] (direct_ent[ 99.216957] [] (vfs_write) from [] (ksys_write+0x74/0xec) ry+0x120/0x18c) # [ 98.472109][ 99.226953] r10:00000004 r9:00000000 r8:00000000 r7:b6eae000 r6:c5f6a000 r5:c5bdec80 [] (direct_entry) from[ 99.237642] r4:c5bdec80 [] (full_proxy_write+0[ 99.243043] [] (ksys_write) from [] (sys_write+0x18/0x1c) x64/0x94) # [ 98.482880] r9:c[ 99.253041] r9:c5f6a000 r8:c03002e4 r7:00000004 r6:b6ff5e00 r5:00000010 r4:00000010 47e9f60 r8:c52ec3c0 r7:00000008 r[ 99.263650] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) 6:b6e2a000 r5:c5c76780 r4:c0c2f96[ 99.274073] Exception stack(0xc5f6bfa8 to 0xc5f6bff0) 0 # [ 98.493491] [] [ 99.281993] bfa0: 00000010 00000010 00000001 b6eae000 00000010 00000000 (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ [ 99.304069] bfe0: 00000004 becf3788 b6f604cf b6ee67e6 98.504178] r9:c07f639c r8:c47e[ 99.312049] irq event stamp: 0 9f60 r7:c2816000 r6:b6e2a000 r5:c[ 99.317931] hardirqs last enabled at (0): [<00000000>] 0x0 5c76780 r4:00000000 # [ 98.514[ 99.326370] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c 785] [] (vfs_write) fro[ 99.336730] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c m [] (ksys_write+0x74/0[ 99.347061] softirqs last disabled at (0): [<00000000>] 0x0 xec) # [ 98.524783] r10:00000[ 99.355467] ---[ end trace a80c4e28b0995df9 ]--- 004 r9:00000000 r8:00000000 r7:b6e2a000 r6:c47e8000 r5:c5c76780 # [ 98.535469] r4:c5c76780 # [ 98.538012] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 98.545156] r9:c47e8000 r8:c03002e4 r7:00000004 r6:b6f71e00 r5:00000008 r4:00000008 # [ 98.555762] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 98.563335] Exception stack(0xc47e9fa8 to 0xc47e9ff0) # [ 98.568396] 9fa0: 00000008 00000008 00000001 b6e2a000 00000008 00000000 # [ 98.576583] 9fc0: 00000008 00000008 b6f71e00 00000004 00000001 00000000 00020000 bea24a54 # [ 98.587619] 9fe0: 00000004 bea24788 b6edc4cf b6e627e6 # [ 98.592741] irq event stamp: 0 # [ 98.598624] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 98.607093] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 98.617464] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 98.627827] softirqs last disabled at (0): [<00000000>] 0x0 # [ 98.636261] ---[ end trace a80c4e28b0995df8 ]--- # WARNING: saw 'WARNING:': ok ok 3 selftests: lkdtm: WARNING.sh # selftests: lkdtm: WARNING_MESSAGE.sh # [ 98.971949] lkdtm: Performing direct entry WARNING_MESSAGE # [ 98.977791] ------------[ cut here ]------------ # [ 98.985227] WARNING: CPU: 2 PID: 908 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x4c/0x54 # [ 98.997315] Warning message trigger count: 2 # [ 99.004331] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan parallel_display etnaviv can_dev imxdrm gpu_sched imx_ipu_v3 # [ 99.036087] CPU: 2 PID: 908 Comm: cat Tainted: G D W 5.10.158-cip21 #1 # [ 99.046551] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 99.055943] Backtrace: # [ 99.061269] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 99.071691] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f5f4 # [ 99.080214] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 99.090387] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 99.100207] r9:00000009 r8:c0c2fb9c r7:00000058 r6:00000009 r5:c0c2fb9c r4:c1accf84 # [ 99.110816] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 99.121156] r7:00000058 r6:c1accf84 r5:c1accfa0 r4:c5f6a000 # [ 99.129687] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING_MESSAGE+0x4c/0x54) # [ 99.141327] r9:c1acc8d4 r8:c15e8784 r7:c5f6bf60 r6:00000010 r5:c6ff8000 r4:00000003 # [ 99.151937] [] (lkdtm_WARNING_MESSAGE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 99.163410] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 99.174278] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 99.185051] r9:c5f6bf60 r8:c52ec3c0 r7:00000010 r6:b6eae000 r5:c5bdec80 r4:c0c2f960 # [ 99.195660] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 99.206349] r9:c07f639c r8:c5f6bf60 r7:c2816000 r6:b6eae000 r5:c5bdec80 r4:00000000 # [ 99.216957] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 99.226953] r10:00000004 r9:00000000 r8:00000000 r7:b6eae000 r6:c5f6a000 r5:c5bdec80 # [ 99.237642] r4:c5bdec80 # [ 99.243043] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 99.253041] r9:c5f6a000 r8:c03002e4 r7:00000004 r6:b6ff5e00 r5:00000010 r4:00000010 # [ 99.263650] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 99.274073] Exception stack(0xc5f6bfa8 to 0xc5f6bff0) # [ 99.696240] lkdtm: Performing direct entry EXCEPTION [ 99.281993] bfa0: [ 99.701928] 8<--- cut here --- 00000010 00000010 00000001 [ 99.708016] Unable to handle kernel NULL pointer dereference at virtual address 00000000 b6eae000 00000010 00000000 # [ [ 99.718950] pgd = 95d690e0 99.293033] bfc0: 00000010 000000[ 99.724488] [00000000] *pgd=00000000 10 b6ff5e00 00000004 00000001 000[ 99.730962] Internal error: Oops: 805 [#2] SMP ARM [ 99.738580] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan parallel_display etnaviv can_dev imxdrm gpu_sched imx_ipu_v3 [ 99.767613] CPU: 0 PID: 940 Comm: cat Tainted: G D W 5.10.158-cip21 #1 [ 99.775274] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 99.781819] PC is at lkdtm_EXCEPTION+0x18/0x20 [ 99.786272] LR is at lkdtm_do_action+0x2c/0x4c [ 99.790720] pc : [] lr : [] psr: a00e0013 [ 99.796992] sp : c5a0fe58 ip : c5a0fe68 fp : c5a0fe64 [ 99.802222] r10: 0000000a r9 : c1acc8e4 r8 : c15e8784 [ 99.807450] r7 : c5a0ff60 r6 : 0000000a r5 : c5bc1000 r4 : 00000004 [ 99.813981] r3 : 00000000 r2 : 8e7c4431 r1 : ef7815e0 r0 : c15e87a4 [ 99.820515] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 99.827655] Control: 10c5387d Table: 16fc804a DAC: 00000051 [ 99.833406] Process cat (pid: 940, stack limit = 0xef15d334) [ 99.839071] Stack: (0xc5a0fe58 to 0xc5a10000) [ 99.843435] fe40: c5a0fe74 c5a0fe68 [ 99.851622] fe60: c0c2f580 c0c2fbb0 c5a0fe9c c5a0fe78 c0c2fa80 c0c2f560 c0c2f960 c584da40 [ 99.859807] fe80: b6df1000 0000000a c52ec3c0 c5a0ff60 c5a0fec4 c5a0fea0 c07f6400 c0c2f96c [ 99.867993] fea0: 00000000 c584da40 b6df1000 c2816000 c5a0ff60 c07f639c c5a0ff5c c5a0fec8 [ 99.876178] fec0: c0598d2c c07f63a8 00000001 00000000 c05992c0 c2d5c5e4 c05992c0 c5a0e000 [ 99.884365] fee0: b6df1000 00020000 00000004 0000000a 0001fff6 c5a0fee0 00000001 00000805 [ 99.892550] ff00: c5bdf180 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 99.900735] ff20: 00000000 00000000 c5a0e000 8e7c4431 b6df0000 c584da40 c584da40 c5a0e000 [ 99.908922] ff40: b6df1000 00000000 00000000 00000004 c5a0ff94 c5a0ff60 c05992c0 c0598c2c [ 99.917106] ff60: 00000000 00000000 c5a0ffac 8e7c4431 0000000a 0000000a b6f38e00 00000004 [ 99.925292] ff80: c03002e4 c5a0e000 c5a0ffa4 c5a0ff98 c0599350 c0599258 00000000 c5a0ffa8 [ 99.933475] ffa0: c03000c0 c0599344 0000000a 0000000a 00000001 b6df1000 0000000a 00000000 [ 99.941661] ffc0: 0000000a 0000000a b6f38e00 00000004 00000001 00000000 00020000 be879a54 [ 99.949846] ffe0: 00000004 be879788 b6ea34cf b6e297e6 800e0030 00000001 00000000 00000000 [ 99.958027] Backtrace: [ 99.960493] [] (lkdtm_EXCEPTION) from [] (lkdtm_do_action+0x2c/0x4c) [ 99.968597] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 99.976616] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 99.984542] r9:c5a0ff60 r8:c52ec3c0 r7:0000000a r6:b6df1000 r5:c584da40 r4:c0c2f960 [ 99.992300] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 100.000140] r9:c07f639c r8:c5a0ff60 r7:c2816000 r6:b6df1000 r5:c584da40 r4:00000000 [ 100.007893] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 100.015036] r10:00000004 r9:00000000 r8:00000000 r7:b6df1000 r6:c5a0e000 r5:c584da40 [ 100.022869] r4:c584da40 [ 100.025414] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 100.032556] r9:c5a0e000 r8:c03002e4 r7:00000004 r6:b6f38e00 r5:0000000a r4:0000000a [ 100.040311] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 100.047884] Exception stack(0xc5a0ffa8 to 0xc5a0fff0) [ 100.052944] ffa0: 0000000a 0000000a 00000001 b6df1000 0000000a 00000000 [ 100.061128] ffc0: 0000000a 0000000a b6f38e00 00000004 00000001 00000000 00020000 be879a54 [ 100.069311] ffe0: 00000004 be879788 b6ea34cf b6e297e6 [ 100.074371] Code: e24cb004 e52de004 e8bd4000 e3a03000 (e5833000) 00000 00020000 becf3a54 # [ 99[ 100.080535] ---[ end trace a80c4e28b0995dfa ]--- .304069] bfe0: 00000004 becf3788 b6f604cf b6ee67e6 # [ 99.312049] irq event stamp: 0 # [ 99.317931] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 99.326370] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 99.336730] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 99.347061] softirqs last disabled at (0): [<00000000>] 0x0 # [ 99.355467] ---[ end trace a80c4e28b0995df9 ]--- # WARNING_MESSAGE: saw 'message trigger': ok ok 4 selftests: lkdtm: WARNING_MESSAGE.sh # selftests: lkdtm: EXCEPTION.sh # Segmentation fault # [ 99.696240] lkdtm: Performing direct entry EXCEPTION # [ 99.701928] 8<--- cut here --- # [ 99.708016] Unable to handle kernel NULL pointer dereference at virtual address 00000000 # [ 99.718950] pgd = 95d690e0 # [ 99.724488] [00000000] *pgd=00000000 # [ 99.730962] Internal error: Oops: 805 [#2] SMP ARM # [ 99.738580] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan parallel_display etnaviv can_dev imxdrm gpu_sched imx_ipu_v3 # [ 99.767613] CPU: 0 PID: 940 Comm: cat Tainted: G D W 5.10.158-cip21 #1 # [ 99.775274] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 99.781819] PC is at lkdtm_EXCEPTION+0x18/0x20 # [ 99.786272] LR is at lkdtm_do_action+0x2c/0x4c # [ 99.790720] pc : [] lr : [] psr: a00e0013 # [ 99.796992] sp : c5a0fe58 ip : c5a0fe68 fp : c5a0fe64 # [ 99.802222] r10: 0000000a r9 : c1acc8e4 r8 : c15e8784 # [ 99.807450] r7 : c5a0ff60 r6 : 0000000a r5 : c5bc1000 r4 : 00000004 # [ 99.813981] r3 : 00000000 r2 : 8e7c4431 r1 : ef7815e0 r0 : c15e87a4 # [ 99.820515] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 99.827655] Control: 10c5387d Table: 16fc804a DAC: 00000051 # [ 99.833406] Process cat (pid: 940, stack limit = 0xef15d334) # [ 99.839071] Stack: (0xc5a0fe58 to 0xc5a10000) # [ 99.843435] fe40: c5a0fe74 c5a0fe68 # [ 99.851622] fe60: c0c2f580 c0c2fbb0 c5a0fe9c c5a0fe78 c0c2fa80 c0c2f560 c0c2f960 c584da40 # [ 99.859807] fe80: b6df1000 0000000a c52ec3c0 c5a0ff60 c5a0fec4 c5a0fea0 c07f6400 c0c2f96c # [ 99.867993] fea0: 00000000 c584da40 b6df1000 c2816000 c5a0ff60 c07f639c c5a0ff5c c5a0fec8 # [ 99.876178] fec0: c0598d2c c07f63a8 00000001 00000000 c05992c0 c2d5c5e4 c05992c0 c5a0e000 # [ 99.884365] fee0: b6df1000 00020000 00000004 0000000a 0001fff6 c5a0fee0 00000001 00000805 # [ 99.892550] ff00: c5bdf180 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 99.900735] ff20: 00000000 00000000 c5a0e000 8e7c4431 b6df0000 c584da40 c584da40 c5a0e000 # [ 99.908922] ff40: b6df1000 00000000 00000000 00000004 c5a0ff94 c5a0ff60 c05992c0 c0598c2c # [ 99.917106] ff60: 00000000 00000000 c5a0ffac 8e7c4431 0000000a 0000000a b6f38e00 00000004 # [ 99.925292] ff80: c03002e4 c5a0e000 c5a0ffa4 c5a0ff98 c0599350 c0599258 00000000 c5a0ffa8 # [ 99.933475] ffa0: c03000c0 c0599344 0000000a 0000000a 00000001 b6df1000 0000000a 00000000 # [ 99.941661] ffc0: 0000000a 0000000a b6f38e00 00000004 00000001 00000000 00020000 be879a54 # [ 99.949846] ffe0: 00000004 be879788 b6ea34cf b6e297e6 800e0030 00000001 00000000 00000000 # [ 99.958027] Backtrace: # [ 99.960493] [] (lkdtm_EXCEPTION) from [] (lkdtm_do_action+0x2c/0x4c) # [ 99.968597] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 99.976616] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 99.984542] r9:c5a0ff60 r8:c52ec3c0 r7:0000000a r6:b6df1000 r5:c584da40 r4:c0c2f960 # [ 99.992300] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 100.000140] r9:c07f639c r8:c5a0ff60 r7:c2816000 r6:b6df1000 r5:c584da40 r4:00000000 # [ 100.007893] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 100.015036] r10:00000004 r9:00000000 r8:00000000 r7:b6df1000 r6:c5a0e000 r5:c584da40 # [ 100.022869] r4:c584da40 # [ 100.025414] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 100.032556] r9:c5a0e000 r8:c03002e4 r7:00000004 r6:b6f38e00 r5:0000000a r4:0000000a # [ 100.040311] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 100.047884] Exception stack(0xc5a0ffa8 to 0xc5a0fff0) # [ 100.052944] ffa0: 0000000a 0000000a 00000001 b6df1000 0000000a 00000000 # [ 100.061128] ffc0: 0000000a 0000000a b6f38e00 00000004 00000001 00000000 00020000 be879a54 # [ 100.069311] ffe0: 00000004 be879788 b6ea34cf b6e297e6 # [ 100.074371] Code: e24cb004 e52de004 e8bd4000 e3a03000 (e5833000) # [ 100.080535] ---[ end trace a80c4e28b0995dfa ]--- # 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 [ 101.561610] lkdtm: Performing direct entry CORRUPT_LIST_ADD [ 101.567296] lkdtm: attempting good list addition [ 101.571930] lkdtm: attempting corrupted list addition [ 101.577036] lkdtm: list_add() corruption not detected! # [ 101.561610] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 101.567296] lkdtm: attempting good list addition # [ 101.571930] lkdtm: attempting corrupted list addition # [ 101.577036] 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 [ 101.907970] lkdtm: Performing direct entry CORRUPT_LIST_DEL [ 101.913569] lkdtm: attempting good list removal [ 101.918178] lkdtm: attempting corrupted list removal [ 101.923164] lkdtm: list_del() corruption not detected! # [ 101.907970] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 101.913569] lkdtm: attempting good list removal # [ 101.918178] lkdtm: attempting corrupted list removal # [ 101.923164] 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 [ 102.227183] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING [ 102.233502] lkdtm: attempting bad read from page below current stack [ 102.240099] lkdtm: FAIL: accessed page before stack! (byte: 3a) # [ 102.227183] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 102.233502] lkdtm: attempting bad read from page below current stack # [ 102.240099] lkdtm: FAIL: accessed page before stack! (byte: 3a) # 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 [ 102.552951] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING [ 102.559502] lkdtm: attempting bad read from page above current stack [ 102.565897] lkdtm: FAIL: accessed page after stack! (byte: 0) # [ 102.552951] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING # [ 102.559502] lkdtm: attempting bad read from page above current stack # [ 102.565897] 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 [ 102.905327] lkdtm: Performing direct entry UNSET_SMEP [ 102.910529] lkdtm: XFAIL: this test is x86_64-only # [ 102.905327] lkdtm: Performing direct entry UNSET_SMEP # [ 102.910529] 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 [ 103.220535] lkdtm: Performing direct entry DOUBLE_FAULT [ 103.225781] lkdtm: XFAIL: this test is ia32-only # [ 103.220535] lkdtm: Performing direct entry DOUBLE_FAULT # [ 103.225781] 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 [ 103.536506] lkdtm: Performing direct entry CORRUPT_PAC [ 103.541894] lkdtm: XFAIL: this test is arm64-only # [ 103.536506] lkdtm: Performing direct entry CORRUPT_PAC # [ 103.541894] 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 [ 103.856310] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE [ 103.862882] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS # [ 103.856310] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # [ 103.862882] 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 [ 104.539664] lkdtm: Performing direct entry READ_AFTER_FREE [ 104.545181] lkdtm: Value in memory before free: 12345678 [ 104.550587] lkdtm: Attempting bad read from freed memory [ 104.555914] lkdtm: Memory was not poisoned # [ 104.539664] lkdtm: Performing direct entry READ_AFTER_FREE # [ 104.545181] lkdtm: Value in memory before free: 12345678 # [ 104.550587] lkdtm: Attempting bad read from freed memory # [ 104.555914] 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 [ 105.279884] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE [ 105.285925] lkdtm: Value in memory before free: 12345678 [ 105.291356] lkdtm: Attempting to read from freed memory [ 105.296597] lkdtm: Buddy page was not poisoned # [ 105.279884] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE # [ 105.285925] lkdtm: Value in memory before free: 12345678 # [ 105.291356] lkdtm: Attempting to read from freed memory # [ 105.296597] 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 [ 105.605259] lkdtm: Performing direct entry SLAB_FREE_DOUBLE [ 105.611125] lkdtm: Attempting double slab free ... # [ 105.605259] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 105.611125] 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 [ 105.924837] lkdtm: Performing direct entry SLAB_FREE_CROSS [ 105.930438] lkdtm: Attempting cross-cache slab free ... # [ 105.924837] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 105.930438] 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 [ 106.242402] lkdtm: Performing direct entry SLAB_FREE_PAGE [ 106.247941] lkdtm: Attempting non-Slab slab free ... # [ 106.242402] lkdtm: Performing direct entry SLAB_FREE_PAGE # [ 106.247941] 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 [ 107.403572] lkdtm: Performing direct entry EXEC_DATA [ 107.408660] lkdtm: attempting ok execution at c0c302f0 [ 107.413812] lkdtm: attempting bad execution at c26f694c [ 107.419173] 8<--- cut here --- [ 107.422259] Unable to handle kernel paging request at virtual address c26f694c [ 107.429499] pgd = 41887839 [ 107.432215] [c26f694c] *pgd=1261141e(bad) [ 107.436251] Internal error: Oops: 8000000d [#3] SMP ARM [ 107.441485] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan parallel_display etnaviv can_dev imxdrm gpu_sched imx_ipu_v3 [ 107.470562] CPU: 0 PID: 1783 Comm: cat Tainted: G D W 5.10.158-cip21 #1 [ 107.478313] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 107.484861] PC is at data_area+0x0/0x40 [ 107.488716] LR is at execute_location+0xa4/0xb4 [ 107.493255] pc : [] lr : [] psr: 600e0013 [ 107.499529] sp : c6ee3e38 ip : c6ee3d40 fp : c6ee3e54 [ 107.504761] r10: 0000000a r9 : c1accac8 r8 : c15e8784 [ 107.509994] r7 : c6ee3f60 r6 : 00000001 r5 : c26f694c r4 : c0c302f0 [ 107.516529] r3 : cf89aca8 r2 : cf89aca8 r1 : ef7815e0 r0 : 0000002b [ 107.523066] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 107.530208] Control: 10c5387d Table: 16f2004a DAC: 00000051 [ 107.535961] Process cat (pid: 1783, stack limit = 0x05a51adc) [ 107.541716] Stack: (0xc6ee3e38 to 0xc6ee4000) [ 107.546084] 3e20: 0000001f c5cde000 [ 107.554278] 3e40: 0000000a c6ee3f60 c6ee3e64 c6ee3e58 c1359cc0 c1359abc c6ee3e74 c6ee3e68 [ 107.562466] 3e60: c0c2f580 c1359ca8 c6ee3e9c c6ee3e78 c0c2fa80 c0c2f560 c0c2f960 c5b59180 [ 107.570656] 3e80: b6e54000 0000000a c52ec3c0 c6ee3f60 c6ee3ec4 c6ee3ea0 c07f6400 c0c2f96c [ 107.578844] 3ea0: 00000000 c5b59180 b6e54000 c2816000 c6ee3f60 c07f639c c6ee3f5c c6ee3ec8 [ 107.587034] 3ec0: c0598d2c c07f63a8 00000001 00000000 c05992c0 c136f2a0 c05992c0 c6ee2000 [ 107.595225] 3ee0: b6e54000 00020000 00000004 0000000a 0001fff6 c6ee3ee0 00000001 b6e53000 [ 107.603412] 3f00: c6b03180 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 107.611602] 3f20: 00000000 00000000 c136f2a0 cf89aca8 c205c500 c5b59180 c5b59180 c6ee2000 [ 107.619789] 3f40: b6e54000 00000000 00000000 00000004 c6ee3f94 c6ee3f60 c05992c0 c0598c2c [ 107.627977] 3f60: 00000000 00000000 c6ee3fac cf89aca8 0000000a 0000000a b6f9be00 00000004 [ 107.636167] 3f80: c03002e4 c6ee2000 c6ee3fa4 c6ee3f98 c0599350 c0599258 00000000 c6ee3fa8 [ 107.644356] 3fa0: c03000c0 c0599344 0000000a 0000000a 00000001 b6e54000 0000000a 00000000 [ 107.652546] 3fc0: 0000000a 0000000a b6f9be00 00000004 00000001 00000000 00020000 be975a54 [ 107.660734] 3fe0: 00000004 be975788 b6f064cf b6e8c7e6 800e0030 00000001 00000000 00000000 [ 107.668916] Backtrace: [ 107.671392] [] (execute_location) from [] (lkdtm_EXEC_DATA+0x24/0x28) [ 107.679580] r7:c6ee3f60 r6:0000000a r5:c5cde000 r4:0000001f [ 107.685263] [] (lkdtm_EXEC_DATA) from [] (lkdtm_do_action+0x2c/0x4c) [ 107.693370] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 107.701395] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 107.709326] r9:c6ee3f60 r8:c52ec3c0 r7:0000000a r6:b6e54000 r5:c5b59180 r4:c0c2f960 [ 107.717088] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 107.724932] r9:c07f639c r8:c6ee3f60 r7:c2816000 r6:b6e54000 r5:c5b59180 r4:00000000 [ 107.732689] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 107.739836] r10:00000004 r9:00000000 r8:00000000 r7:b6e54000 r6:c6ee2000 r5:c5b59180 [ 107.747672] r4:c5b59180 [ 107.750218] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 107.757365] r9:c6ee2000 r8:c03002e4 r7:00000004 r6:b6f9be00 r5:0000000a r4:0000000a [ 107.765124] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 107.772699] Exception stack(0xc6ee3fa8 to 0xc6ee3ff0) [ 107.777762] 3fa0: 0000000a 0000000a 00000001 b6e54000 0000000a 00000000 [ 107.785951] 3fc0: 0000000a 0000000a b6f9be00 00000004 00000001 00000000 00020000 be975a54 [ 107.794137] 3fe0: 00000004 be975788 b6f064cf b6e8c7e6 [ 107.799202] Code: 00000000 c43060c0 c4306180 c4306240 (e1a0c00d) [ 107.805311] ---[ end trace a80c4e28b0995dfb ]--- # Segmentation fault # [ 107.403572] lkdtm: Performing direct entry EXEC_DATA # [ 107.408660] lkdtm: attempting ok execution at c0c302f0 # [ 107.413812] lkdtm: attempting bad execution at c26f694c # [ 107.419173] 8<--- cut here --- # [ 107.422259] Unable to handle kernel paging request at virtual address c26f694c # [ 107.429499] pgd = 41887839 # [ 107.432215] [c26f694c] *pgd=1261141e(bad) # [ 107.436251] Internal error: Oops: 8000000d [#3] SMP ARM # [ 107.441485] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan parallel_display etnaviv can_dev imxdrm gpu_sched imx_ipu_v3 # [ 107.470562] CPU: 0 PID: 1783 Comm: cat Tainted: G D W 5.10.158-cip21 #1 # [ 107.478313] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 107.484861] PC is at data_area+0x0/0x40 # [ 107.488716] LR is at execute_location+0xa4/0xb4 # [ 107.493255] pc : [] lr : [] psr: 600e0013 # [ 107.499529] sp : c6ee3e38 ip : c6ee3d40 fp : c6ee3e54 # [ 107.504761] r10: 0000000a r9 : c1accac8 r8 : c15e8784 # [ 107.509994] r7 : c6ee3f60 r6 : 00000001 r5 : c26f694c r4 : c0c302f0 # [ 107.516529] r3 : cf89aca8 r2 : cf89aca8 r1 : ef7815e0 r0 : 0000002b # [ 107.523066] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 107.530208] Control: 10c5387d Table: 16f2004a DAC: 00000051 # [ 107.535961] Process cat (pid: 1783, stack limit = 0x05a51adc) # [ 107.541716] Stack: (0xc6ee3e38 to 0xc6ee4000) # [ 107.546084] 3e20: 0000001f c5cde000 # [ 107.554278] 3e40: 0000000a c6ee3f60 c6ee3e64 c6ee3e58 c1359cc0 c1359abc c6ee3e74 c6ee3e68 # [ 107.562466] 3e60: c0c2f580 c1359ca8 c6ee3e9c c6ee3e78 c0c2fa80 c0c2f560 c0c2f960 c5b59180 # [ 107.570656] 3e80: b6e54000 0000000a c52ec3c0 c6ee3f60 c6ee3ec4 c6ee3ea0 c07f6400 c0c2f96c # [ 107.578844] 3ea0: 00000000 c5b59180 b6e54000 c2816000 c6ee3f60 c07f639c c6ee3f5c c6ee3ec8 # [ 107.587034] 3ec0: c0598d2c c07f63a8 00000001 00000000 c05992c0 c136f2a0 c05992c0 c6ee2000 # [ 107.595225] 3ee0: b6e54000 00020000 00000004 0000000a 0001fff6 c6ee3ee0 00000001 b6e53000 # [ 107.603412] 3f00: c6b03180 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 107.611602] 3f20: 00000000 00000000 c136f2a0 cf89aca8 c205c500 c5b59180 c5b59180 c6ee2000 # [ 107.619789] 3f40: b6e54000 00000000 00000000 00000004 c6ee3f94 c6ee3f60 c05992c0 c0598c2c # [ 107.627977] 3f60: 00000000 00000000 c6ee3fac cf89aca8 0000000a 0000000a b6f9be00 00000004 # [ 107.636167] 3f80: c03002e4 c6ee2000 c6ee3fa4 c6ee3f98 c0599350 c0599258 00000000 c6ee3fa8 # [ 107.644356] 3fa0: c03000c0 c0599344 0000000a 0000000a 00000001 b6e54000 0000000a 00000000 # [ 107.652546] 3fc0: 0000000a 0000000a b6f9be00 00000004 00000001 00000000 00020000 be975a54 # [ 107.660734] 3fe0: 00000004 be975788 b6f064cf b6e8c7e6 800e0030 00000001 00000000 00000000 # [ 107.668916] Backtrace: # [ 107.671392] [] (execute_location) from [] (lkdtm_EXEC_DATA+0x24/0x28) # [ 107.679580] r7:c6ee3f60 r6:0000000a r5:c5cde000 r4:0000001f # [ 107.685263] [] (lkdtm_EXEC_DATA) from [] (lkdtm_do_action+0x2c/0x4c) # [ 107.693370] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 107.701395] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 107.709326] r9:c6ee3f60 r8:c52ec3c0 r7:0000000a r6:b6e54000 r5:c5b59180 r4:c0c2f960 # [ 107.717088] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 107.724932] r9:c07f639c r8:c6ee3f60 r7:c2816000 r6:b6e54000 r5:c5b59180 r4:00000000 # [ 107.732689] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 107.739836] r10:00000004 r9:00000000 r8:00000000 r7:b6e54000 r6:c6ee2000 r5:c5b59180 # [ 107.747672] r4:c5b59180 # [ 107.750218] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 107.757365] r9:c6ee2000 r8:c03002e4[ 108.257844] lkdtm: Performing direct entry EXEC_STACK r7:00000004 r6:b6f9be00 r5:00000[ 108.265696] lkdtm: attempting ok execution at c0c302f0 00a r4:0000000a # [ 107.765124][ 108.273883] lkdtm: attempting bad execution at c6b1be0c [] (sys_write) from [<[ 108.281973] 8<--- cut here --- [ 108.287826] Unable to handle kernel paging request at virtual address c6b1be0c [ 108.295075] pgd = 9fb1a2af [ 108.297806] [c6b1be0c] *pgd=16a1141e(bad) [ 108.301870] Internal error: Oops: 8000000d [#4] SMP ARM [ 108.307119] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan parallel_display etnaviv can_dev imxdrm gpu_sched imx_ipu_v3 [ 108.336406] CPU: 0 PID: 1859 Comm: cat Tainted: G D W 5.10.158-cip21 #1 [ 108.344171] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 108.350727] PC is at 0xc6b1be0c [ 108.353910] LR is at execute_location+0xa4/0xb4 [ 108.358465] pc : [] lr : [] psr: 600e0013 [ 108.364754] sp : c6b1bde8 ip : c6b1bcf0 fp : c6b1be04 [ 108.370002] r10: 0000000b r9 : c1accad4 r8 : c15e8784 [ 108.375248] r7 : c6b1bf60 r6 : 00000001 r5 : c6b1be0c r4 : c0c302f0 [ 108.381797] r3 : ab7b44da r2 : ab7b44da r1 : ef7815e0 r0 : 0000002b [ 108.388350] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 108.395507] Control: 10c5387d Table: 16e5404a DAC: 00000051 [ 108.401276] Process cat (pid: 1859, stack limit = 0xccc357f3) [ 108.407045] Stack: (0xc6b1bde8 to 0xc6b1c000) [ 108.411435] bde0: c6b1a000 c5cde000 0000000b c6b1bf60 c6b1be64 c6b1be08 [ 108.419644] be00: c1359cfc c1359abc c6b1be6c e1a0c00d e92dd800 e24cb004 e52de004 e8bd4000 [ 108.427852] be20: e89da800 e1a0c00d e92dd830 e24cb004 e52de004 e8bd4000 e30d3374 e34c31b7 [ 108.436060] be40: e3a02040 e3a01d33 e5930018 ab7b44da 0000000b 00000020 c6b1be74 c6b1be68 [ 108.444267] be60: c0c2f580 c1359cd0 c6b1be9c c6b1be78 c0c2fa80 c0c2f560 c0c2f960 c6de08c0 [ 108.452474] be80: b6de9000 0000000b c52ec3c0 c6b1bf60 c6b1bec4 c6b1bea0 c07f6400 c0c2f96c [ 108.460682] bea0: 00000000 c6de08c0 b6de9000 c2816000 c6b1bf60 c07f639c c6b1bf5c c6b1bec8 [ 108.468890] bec0: c0598d2c c07f63a8 00000001 00000000 c05992c0 c2d5ec64 c05992c0 c6b1a000 [ 108.477098] bee0: b6de9000 00020000 00000004 0000000b 0001fff5 c6b1bee0 00000001 00000805 [ 108.485306] bf00: c6e8e000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 108.493516] bf20: 00000000 00000000 c6b1a000 ab7b44da b6de8000 c6de08c0 c6de08c0 c6b1a000 [ 108.501724] bf40: b6de9000 00000000 00000000 00000004 c6b1bf94 c6b1bf60 c05992c0 c0598c2c [ 108.509932] bf60: 00000000 00000000 c6b1bfac ab7b44da 0000000b 0000000b b6f30e00 00000004 [ 108.518139] bf80: c03002e4 c6b1a000 c6b1bfa4 c6b1bf98 c0599350 c0599258 00000000 c6b1bfa8 [ 108.526345] bfa0: c03000c0 c0599344 0000000b 0000000b 00000001 b6de9000 0000000b 00000000 [ 108.534552] bfc0: 0000000b 0000000b b6f30e00 00000004 00000001 00000000 00020000 bead8a54 [ 108.542759] bfe0: 00000004 bead8788 b6e9b4cf b6e217e6 800e0030 00000001 00000000 00000000 [ 108.550955] Backtrace: [ 108.553462] [] (execute_location) from [] (lkdtm_EXEC_STACK+0x38/0x54) [ 108.561757] r7:c6b1bf60 r6:0000000b r5:c5cde000 r4:c6b1a000 [ 108.567466] [] (lkdtm_EXEC_STACK) from [] (lkdtm_do_action+0x2c/0x4c) [ 108.575664] r4:00000020 [ 108.578236] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 108.586280] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 108.594228] r9:c6b1bf60 r8:c52ec3c0 r7:0000000b r6:b6de9000 r5:c6de08c0 r4:c0c2f960 [ 108.602012] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 108.609873] r9:c07f639c r8:c6b1bf60 r7:c2816000 r6:b6de9000 r5:c6de08c0 r4:00000000 [ 108.617649] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 108.624814] r10:00000004 r9:00000000 r8:00000000 r7:b6de9000 r6:c6b1a000 r5:c6de08c0 [ 108.632663] r4:c6de08c0 [ 108.635229] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 108.642393] r9:c6b1a000 r8:c03002e4 r7:00000004 r6:b6f30e00 r5:0000000b r4:0000000b [ 108.650171] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 108.657760] Exception stack(0xc6b1bfa8 to 0xc6b1bff0) [ 108.662841] bfa0: 0000000b 0000000b 00000001 b6de9000 0000000b 00000000 [ 108.671049] bfc0: 0000000b 0000000b b6f30e00 00000004 00000001 00000000 00020000 bead8a54 [ 108.679250] bfe0: 00000004 bead8788 b6e9b4cf b6e217e6 [ 108.684333] Code: c6b1be08 c1359cfc c1359abc c6b1be6c (e1a0c00d) [ 108.690459] ---[ end trace a80c4e28b0995dfc ]--- c03000c0>] (ret_fast_syscall+0x0/0x28) # [ 107.772699] Exception stack(0xc6ee3fa8 to 0xc6ee3ff0) # [ 107.777762] 3fa0: 0000000a 0000000a 00000001 b6e54000 0000000a 00000000 # [ 107.785951] 3fc0: 0000000a 0000000a b6f9be00 00000004 00000001 00000000 00020000 be975a54 # [ 107.794137] 3fe0: 00000004 be975788 b6f064cf b6e8c7e6 # [ 107.799202] Code: 00000000 c43060c0 c4306180 c4306240 (e1a0c00d) # [ 107.805311] ---[ end trace a80c4e28b0995dfb ]--- # EXEC_DATA: missing 'call trace:': [FAIL] not ok 30 selftests: lkdtm: EXEC_DATA.sh # exit=1 # selftests: lkdtm: EXEC_STACK.sh # Segmentation fault # [ 108.257844] lkdtm: Performing direct entry EXEC_STACK # [ 108.265696] lkdtm: attempting ok execution at c0c302f0 # [ 108.273883] lkdtm: attempting bad execution at c6b1be0c # [ 108.281973] 8<--- cut here --- # [ 108.287826] Unable to handle kernel paging request at virtual address c6b1be0c # [ 108.295075] pgd = 9fb1a2af # [ 108.297806] [c6b1be0c] *pgd=16a1141e(bad) # [ 108.301870] Internal error: Oops: 8000000d [#4] SMP ARM # [ 108.307119] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan parallel_display etnaviv can_dev imxdrm gpu_sched imx_ipu_v3 # [ 108.336406] CPU: 0 PID: 1859 Comm: cat Tainted: G D W 5.10.158-cip21 #1 # [ 108.344171] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 108.350727] PC is at 0xc6b1be0c # [ 108.353910] LR is at execute_location+0xa4/0xb4 # [ 108.358465] pc : [] lr : [] psr: 600e0013 # [ 108.364754] sp : c6b1bde8 ip : c6b1bcf0 fp : c6b1be04 # [ 108.370002] r10: 0000000b r9 : c1accad4 r8 : c15e8784 # [ 108.375248] r7 : c6b1bf60 r6 : 00000001 r5 : c6b1be0c r4 : c0c302f0 # [ 108.381797] r3 : ab7b44da r2 : ab7b44da r1 : ef7815e0 r0 : 0000002b # [ 108.388350] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 108.395507] Control: 10c5387d Table: 16e5404a DAC: 00000051 # [ 108.401276] Process cat (pid: 1859, stack limit = 0xccc357f3) # [ 108.407045] Stack: (0xc6b1bde8 to 0xc6b1c000) # [ 108.411435] bde0: c6b1a000 c5cde000 0000000b c6b1bf60 c6b1be64 c6b1be08 # [ 108.419644] be00: c1359cfc c1359abc c6b1be6c e1a0c00d e92dd800 e24cb004 e52de004 e8bd4000 # [ 108.427852] be20: e89da800 e1a0c00d e92dd830 e24cb004 e52de004 e8bd4000 e30d3374 e34c31b7 # [ 108.436060] be40: e3a02040 e3a01d33 e5930018 ab7b44da 0000000b 00000020 c6b1be74 c6b1be68 # [ 108.444267] be60: c0c2f580 c1359cd0 c6b1be9c c6b1be78 c0c2fa80 c0c2f560 c0c2f960 c6de08c0 # [ 108.452474] be80: b6de9000 0000000b c52ec3c0 c6b1bf60 c6b1bec4 c6b1bea0 c07f6400 c0c2f96c # [ 108.460682] bea0: 00000000 c6de08c0 b6de9000 c2816000 c6b1bf60 c07f639c c6b1bf5c c6b1bec8 # [ 108.468890] bec0: c0598d2c c07f63a8 00000001 00000000 c05992c0 c2d5ec64 c05992c0 c6b1a000 # [ 108.477098] bee0: b6de9000 00020000 00000004 0000000b 0001fff5 c6b1bee0 00000001 00000805 # [ 108.485306] bf00: c6e8e000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 108.493516] bf20: 00000000 00000000 c6b1a000 ab7b44da b6de8000 c6de08c0 c6de08c0 c6b1a000 # [ 108.501724] bf40: b6de9000 00000000 00000000 00000004 c6b1bf94 c6b1bf60 c05992c0 c0598c2c # [ 108.509932] bf60: 00000000 00000000 c6b1bfac ab7b44da 0000000b 0000000b b6f30e00 00000004 # [ 108.518139] bf80: c03002e4 c6b1a000 c6b1bfa4 c6b1bf98 c0599350 c0599258 00000000 c6b1bfa8 # [ 108.526345] bfa0: c03000c0 c0599344 0000000b 0000000b 00000001 b6de9000 0000000b 00000000 # [ 108.534552] bfc0: 0000000b 0000000b b6f30e00 00000004 00000001 00000000 00020000 bead8a54 # [ 108.542759] bfe0: 00000004 bead8788 b6e9b4cf b6e217e6 800e0030 00000001 00000000 00000000 # [ 108.550955] Backtrace: # [ 108.553462] [] (execute_location) from [] (lkdtm_EXEC_STACK+0x38/0x54) # [ 108.561757] r7:c6b1bf60 r6:0000000b r5:c5cde000 r4:c6b1a000 # [ 108.567466] [] (lkdtm_EXEC_STACK) from [] (lkdtm_do_action+0x2c/0x4c) # [ 108.575664] r4:00000020 # [ 108.578236] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 108.586280] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 108.594228] r9:c6b1bf60 r8:c52ec3c0 r7:0000000b r6:b6de9000 r5:c6de08c0 r4:c0c2f960 # [ 108.602012] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 108.609873] r9:c07f639c r8:c6b1bf60 r7:c2816000 r6:b6de9000 r5:c6de08c0 r4:00000000 # [ 108.617649] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 108.624814] r10:00000004 r9:00000000 r8:00000000 r7:b6de9000 r6:c6b1a000 r5:c6de08c0 # [ 108.632663] r4:c6de08c0 # [ 108.635229] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 108.642393] r9:c6b1a000 r8:c03002e4 r7:00000004 r6:b6f30e00 r5:0000000b r4:0000000b # [ 108.650171] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 108.657760] Exception stack(0xc6b1bfa8 to 0xc6b1bff0) # [ 108.662841] bfa0: 0000000b 0000000b 00000001 b6de9000 0000000b 00000000 # [ 108.671049] bfc0: 0000000b 0000000b b6f30e00 00000004 00000001 00000000 00020000 bead8a54 # [ 108.679250] bfe0: 00000004 bead8788 b6e9b4cf b6e217e6 # [ 108.684333] Code: c6b1be08 c1359cfc c1359abc c6b1be6c (e1a0c00d) # [ 108.690459] ---[ end trace a80c4e28[ 109.207733] lkdtm: Performing direct entry EXEC_KMALLOC b0995dfc ]--- # EXEC_STACK: miss[ 109.214106] lkdtm: attempting ok execution at c0c302f0 ing 'call trace:': [FAIL] not ok[ 109.222270] lkdtm: attempting bad execution at c5f4e180 31 selftests: lkdtm: EXEC_STACK.[ 109.230260] 8<--- cut here --- sh # exit=1[ #1 0s9e.l2f3t6e115] Unable to handle kernel paging request at virtual address c5f4e180 ts: lkdtm: [E X E1C0_9K.M2A4L5L1O9] pgd = 71bc4e9b C.sh [ 109.249687] [c5f4e180] *pgd=15e1141e(bad) [ 109.254221] Internal error: Oops: 8000000d [#5] SMP ARM [ 109.259452] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan parallel_display etnaviv can_dev imxdrm gpu_sched imx_ipu_v3 [ 109.288485] CPU: 2 PID: 1938 Comm: cat Tainted: G D W 5.10.158-cip21 #1 [ 109.296233] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 109.302769] PC is at 0xc5f4e180 [ 109.305927] LR is at execute_location+0xa4/0xb4 [ 109.310463] pc : [] lr : [] psr: 600e0013 [ 109.316735] sp : c6ee9e30 ip : c6ee9d38 fp : c6ee9e4c [ 109.321965] r10: 0000000d r9 : c1accae0 r8 : c15e8784 [ 109.327194] r7 : c6ee9f60 r6 : 00000001 r5 : c5f4e180 r4 : c0c302f0 [ 109.333725] r3 : 291122e5 r2 : 291122e5 r1 : ef7ab5e0 r0 : 0000002b [ 109.340259] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 109.347402] Control: 10c5387d Table: 16ff404a DAC: 00000051 [ 109.353153] Process cat (pid: 1938, stack limit = 0x6889f080) [ 109.358905] Stack: (0xc6ee9e30 to 0xc6eea000) [ 109.363269] 9e20: c5f4e180 c6a32000 0000000d c6ee9f60 [ 109.371455] 9e40: c6ee9e64 c6ee9e50 c0c30340 c1359abc 00000021 c6a32000 c6ee9e74 c6ee9e68 [ 109.379639] 9e60: c0c2f580 c0c30314 c6ee9e9c c6ee9e78 c0c2fa80 c0c2f560 c0c2f960 c6ae2780 [ 109.387824] 9e80: b6e4a000 0000000d c52ec3c0 c6ee9f60 c6ee9ec4 c6ee9ea0 c07f6400 c0c2f96c [ 109.396010] 9ea0: 00000000 c6ae2780 b6e4a000 c2816000 c6ee9f60 c07f639c c6ee9f5c c6ee9ec8 [ 109.404195] 9ec0: c0598d2c c07f63a8 00000001 00000000 c05992c0 c136f2a0 c05992c0 c6ee8000 [ 109.412381] 9ee0: b6e4a000 00020000 00000004 0000000d 0001fff3 c6ee9ee0 00000001 b6e49000 [ 109.420564] 9f00: c6b037c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 109.428749] 9f20: 00000000 00000000 c136f2a0 291122e5 c205c500 c6ae2780 c6ae2780 c6ee8000 [ 109.436934] 9f40: b6e4a000 00000000 00000000 00000004 c6ee9f94 c6ee9f60 c05992c0 c0598c2c [ 109.445118] 9f60: 00000000 00000000 c6ee9fac 291122e5 0000000d 0000000d b6f91e00 00000004 [ 109.453301] 9f80: c03002e4 c6ee8000 c6ee9fa4 c6ee9f98 c0599350 c0599258 00000000 c6ee9fa8 [ 109.461487] 9fa0: c03000c0 c0599344 0000000d 0000000d 00000001 b6e4a000 0000000d 00000000 [ 109.469672] 9fc0: 0000000d 0000000d b6f91e00 00000004 00000001 00000000 00020000 be9b7a54 [ 109.477857] 9fe0: 00000004 be9b7788 b6efc4cf b6e827e6 800e0030 00000001 00000000 00000000 [ 109.486038] Backtrace: [ 109.488511] [] (execute_location) from [] (lkdtm_EXEC_KMALLOC+0x38/0x44) [ 109.496959] r7:c6ee9f60 r6:0000000d r5:c6a32000 r4:c5f4e180 [ 109.502633] [] (lkdtm_EXEC_KMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) [ 109.510992] r5:c6a32000 r4:00000021 [ 109.514582] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 109.522602] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 109.530527] r9:c6ee9f60 r8:c52ec3c0 r7:0000000d r6:b6e4a000 r5:c6ae2780 r4:c0c2f960 [ 109.538283] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 109.546123] r9:c07f639c r8:c6ee9f60 r7:c2816000 r6:b6e4a000 r5:c6ae2780 r4:00000000 [ 109.553875] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 109.561019] r10:00000004 r9:00000000 r8:00000000 r7:b6e4a000 r6:c6ee8000 r5:c6ae2780 [ 109.568853] r4:c6ae2780 [ 109.571395] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 109.578538] r9:c6ee8000 r8:c03002e4 r7:00000004 r6:b6f91e00 r5:0000000d r4:0000000d [ 109.586293] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 109.593867] Exception stack(0xc6ee9fa8 to 0xc6ee9ff0) [ 109.598929] 9fa0: 0000000d 0000000d 00000001 b6e4a000 0000000d 00000000 [ 109.607115] 9fc0: 0000000d 0000000d b6f91e00 00000004 00000001 00000000 00020000 be9b7a54 [ 109.615297] 9fe0: 00000004 be9b7788 b6efc4cf b6e827e6 [ 109.620358] Code: 00000000 00000000 00000000 00000000 (e1a0c00d) [ 109.626461] ---[ end trace a80c4e28b0995dfd ]--- # Segmentation fault # [ 109.207733] lkdtm: Performing direct entry EXEC_KMALLOC # [ 109.214106] lkdtm: attempting ok execution at c0c302f0 # [ 109.222270] lkdtm: attempting bad execution at c5f4e180 # [ 109.230260] 8<--- cut here --- # [ 109.236115] Unable to handle kernel paging request at virtual address c5f4e180 # [ 109.245159] pgd = 71bc4e9b # [ 109.249687] [c5f4e180] *pgd=15e1141e(bad) # [ 109.254221] Internal error: Oops: 8000000d [#5] SMP ARM # [ 109.259452] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan parallel_display etnaviv can_dev imxdrm gpu_sched imx_ipu_v3 # [ 109.288485] CPU: 2 PID: 1938 Comm: cat Tainted: G D W 5.10.158-cip21 #1 # [ 109.296233] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 109.302769] PC is at 0xc5f4e180 # [ 109.305927] LR is at execute_location+0xa4/0xb4 # [ 109.310463] pc : [] lr : [] psr: 600e0013 # [ 109.316735] sp : c6ee9e30 ip : c6ee9d38 fp : c6ee9e4c # [ 109.321965] r10: 0000000d r9 : c1accae0 r8 : c15e8784 # [ 109.327194] r7 : c6ee9f60 r6 : 00000001 r5 : c5f4e180 r4 : c0c302f0 # [ 109.333725] r3 : 291122e5 r2 : 291122e5 r1 : ef7ab5e0 r0 : 0000002b # [ 109.340259] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 109.347402] Control: 10c5387d Table: 16ff404a DAC: 00000051 # [ 109.353153] Process cat (pid: 1938, stack limit = 0x6889f080) # [ 109.358905] Stack: (0xc6ee9e30 to 0xc6eea000) # [ 109.363269] 9e20: c5f4e180 c6a32000 0000000d c6ee9f60 # [ 109.371455] 9e40: c6ee9e64 c6ee9e50 c0c30340 c1359abc 00000021 c6a32000 c6ee9e74 c6ee9e68 # [ 109.379639] 9e60: c0c2f580 c0c30314 c6ee9e9c c6ee9e78 c0c2fa80 c0c2f560 c0c2f960 c6ae2780 # [ 109.387824] 9e80: b6e4a000 0000000d c52ec3c0 c6ee9f60 c6ee9ec4 c6ee9ea0 c07f6400 c0c2f96c # [ 109.396010] 9ea0: 00000000 c6ae2780 b6e4a000 c2816000 c6ee9f60 c07f639c c6ee9f5c c6ee9ec8 # [ 109.404195] 9ec0: c0598d2c c07f63a8 00000001 00000000 c05992c0 c136f2a0 c05992c0 c6ee8000 # [ 109.412381] 9ee0: b6e4a000 00020000 00000004 0000000d 0001fff3 c6ee9ee0 00000001 b6e49000 # [ 109.420564] 9f00: c6b037c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 109.428749] 9f20: 00000000 00000000 c136f2a0 291122e5 c205c500 c6ae2780 c6ae2780 c6ee8000 # [ 109.436934] 9f40: b6e4a000 00000000 00000000 00000004 c6ee9f94 c6ee9f60 c05992c0 c0598c2c # [ 109.445118] 9f60: 00000000 00000000 c6ee9fac 291122e5 0000000d 0000000d b6f91e00 00000004 # [ 109.453301] 9f80: c03002e4 c6ee8000 c6ee9fa4 c6ee9f98 c0599350 c0599258 00000000 c6ee9fa8 # [ 109.461487] 9fa0: c03000c0 c0599344 0000000d 0000000d 00000001 b6e4a000 0000000d 00000000 # [ 109.469672] 9fc0: 0000000d 0000000d b6f91e00 00000004 00000001 00000000 00020000 be9b7a54 # [ 109.477857] 9fe0: 00000004 be9b7788 b6efc4cf b6e827e6 800e0030 00000001 00000000 00000000 # [ 109.486038] Backtrace: # [ 109.488511] [] (execute_location) from [] (lkdtm_EXEC_KMALLOC+0x38/0x44) # [ 109.496959] r7:c6ee9f60 r6:0000000d r5:c6a32000 r4:c5f4e180 # [ 109.502633] [] (lkdtm_EXEC_KMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) # [ 109.510992] r5:c6a32000 r4:00000021 # [ 109.514582] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 109.522602] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 109.530527] r9:c6ee9f60 r8:c52ec3c0 r7:0000000d r6:b6e4a000 r5:c6ae2780 r4:c0c2f960 # [ 109.538283] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 109.546123] r9:c07f639c r8:c6ee9f60 r7:c2816000 r6:b6e4a000 r5:c6ae2780 r4:00000000 # [ 109.553875] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 109.561019] r10:00000004 r9:00000000 r8:00000000 r7:b6e4a000 r6:c6ee8000 r5:c6ae2780 # [ 109.568853] r4:c6ae2780 # [ 109.571395] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 109.578538] r9:c6ee8000 r8:c03002e4 r7:00000004 r6:b6f91e00 r5:0000000d r4:0000000d # [ 109.586293] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 109.593867] Exception stack(0xc6ee9fa8 to 0xc6ee9ff0[ 110.110133] lkdtm: Performing direct entry EXEC_VMALLOC ) # [ 109.598929] 9fa0: [ 110.116075] lkdtm: attempting ok execution at c0c302f0 0000000d 0000000d 0000[ 110.124127] lkdtm: attempting bad execution at f096c000 0001 b6e4a000 0000000d 00000000 [ 110.132201] 8<--- cut here --- # [ 109.607115] 9fc0: 0000000d 0[ 110.138113] Unable to handle kernel paging request at virtual address f096c000 000000d b6f91e00 00000004 0000000[ 110.148195] pgd = c91c9c08 1 00000000 00020000 be9b7a54 # [[ 110.153723] [f096c000] *pgd=12949811, *pte=493ae65f, *ppte=493ae45f 109.615297] 9fe0: 00000004 be9b[ 110.162917] Internal error: Oops: 8000000f [#6] SMP ARM 7788 b6efc4cf b6e827e6 # [ 109.[ 110.170944] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan parallel_display etnaviv can_dev imxdrm gpu_sched imx_ipu_v3 620358] Code: 000[0 0 101000. 2002648] CPU: 1 PID: 2015 Comm: cat Tainted: G D W 5.10.158-cip21 #1 000000 000[0 0 010100 .02010204068] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 00 (e1a0c00d) # [[ 111009..220824] PC is at 0xf096c000 26461] ---[ end trace a80c4e[2 8 110.226140] LR is at execute_location+0xa4/0xb4 0995dfd [] - -11-0 . 2#3 3E2X6E2C pc : [] lr : [] psr: 600e0013 _KMALLOC:[ m i1s1s0i.n2g4 1'1c7a] sp : c6ed1e30 ip : c6ed1d38 fp : c6ed1e4c ll trace:'[: [1F1A0I.L2]4 8 1n37] r10: 0000000d r9 : c1accaf0 r8 : c15e8784 t ok 32 sel[f t1e1s0t.s2:5 5l1k83] r7 : c6ed1f60 r6 : 00000001 r5 : f096c000 r4 : c0c302f0 tm: EXE[C _ K1M1A0L.L2O6C3.5s2h9 r3 : e4806c1d r2 : e4806c1d r1 : ef7965e0 r0 : 0000002b # exit=1 # [s e l1f1t0e.s2t7s1:707] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none lkdtm: EXE[C _1V1M0A.L2L8O0C7.4s] Control: 10c5387d Table: 16b4004a DAC: 00000051 h [ 110.288231] Process cat (pid: 2015, stack limit = 0xc6253caf) [ 110.294236] Stack: (0xc6ed1e30 to 0xc6ed2000) [ 110.298602] 1e20: f096c000 c68ac000 0000000d c6ed1f60 [ 110.306789] 1e40: c6ed1e64 c6ed1e50 c0c30374 c1359abc 00000022 c68ac000 c6ed1e74 c6ed1e68 [ 110.314974] 1e60: c0c2f580 c0c30358 c6ed1e9c c6ed1e78 c0c2fa80 c0c2f560 c0c2f960 c6e8ef00 [ 110.323159] 1e80: b6deb000 0000000d c52ec3c0 c6ed1f60 c6ed1ec4 c6ed1ea0 c07f6400 c0c2f96c [ 110.331345] 1ea0: 00000000 c6e8ef00 b6deb000 c2816000 c6ed1f60 c07f639c c6ed1f5c c6ed1ec8 [ 110.339530] 1ec0: c0598d2c c07f63a8 00000001 00000000 c05992c0 c44b6424 c05992c0 c6ed0000 [ 110.347715] 1ee0: b6deb000 00020000 00000004 0000000d 0001fff3 c6ed1ee0 00000001 00000805 [ 110.355900] 1f00: c6ae3e00 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 110.364086] 1f20: 00000000 00000000 c6ed0000 e4806c1d b6dea000 c6e8ef00 c6e8ef00 c6ed0000 [ 110.372271] 1f40: b6deb000 00000000 00000000 00000004 c6ed1f94 c6ed1f60 c05992c0 c0598c2c [ 110.380457] 1f60: 00000000 00000000 c6ed1fac e4806c1d 0000000d 0000000d b6f32e00 00000004 [ 110.388644] 1f80: c03002e4 c6ed0000 c6ed1fa4 c6ed1f98 c0599350 c0599258 00000000 c6ed1fa8 [ 110.396828] 1fa0: c03000c0 c0599344 0000000d 0000000d 00000001 b6deb000 0000000d 00000000 [ 110.405014] 1fc0: 0000000d 0000000d b6f32e00 00000004 00000001 00000000 00020000 be882a54 [ 110.413200] 1fe0: 00000004 be882788 b6e9d4cf b6e237e6 800e0030 00000001 00000000 00000000 [ 110.421380] Backtrace: [ 110.423849] [] (execute_location) from [] (lkdtm_EXEC_VMALLOC+0x28/0x34) [ 110.432297] r7:c6ed1f60 r6:0000000d r5:c68ac000 r4:f096c000 [ 110.437972] [] (lkdtm_EXEC_VMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) [ 110.446327] r5:c68ac000 r4:00000022 [ 110.449913] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 110.457931] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 110.465856] r9:c6ed1f60 r8:c52ec3c0 r7:0000000d r6:b6deb000 r5:c6e8ef00 r4:c0c2f960 [ 110.473613] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 110.481453] r9:c07f639c r8:c6ed1f60 r7:c2816000 r6:b6deb000 r5:c6e8ef00 r4:00000000 [ 110.489208] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 110.496354] r10:00000004 r9:00000000 r8:00000000 r7:b6deb000 r6:c6ed0000 r5:c6e8ef00 [ 110.504188] r4:c6e8ef00 [ 110.506733] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 110.513877] r9:c6ed0000 r8:c03002e4 r7:00000004 r6:b6f32e00 r5:0000000d r4:0000000d [ 110.521632] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 110.529209] Exception stack(0xc6ed1fa8 to 0xc6ed1ff0) [ 110.534270] 1fa0: 0000000d 0000000d 00000001 b6deb000 0000000d 00000000 [ 110.542457] 1fc0: 0000000d 0000000d b6f32e00 00000004 00000001 00000000 00020000 be882a54 [ 110.550640] 1fe0: 00000004 be882788 b6e9d4cf b6e237e6 [ 110.555706] Code: bad PC value [ 110.558842] ---[ end trace a80c4e28b0995dfe ]--- # Segmentation fault # [ 110.110133] lkdtm: Performing direct entry EXEC_VMALLOC # [ 110.116075] lkdtm: attempting ok execution at c0c302f0 # [ 110.124127] lkdtm: attempting bad execution at f096c000 # [ 110.132201] 8<--- cut here --- # [ 110.138113] Unable to handle kernel paging request at virtual address f096c000 # [ 110.148195] pgd = c91c9c08 # [ 110.153723] [f096c000] *pgd=12949811, *pte=493ae65f, *ppte=493ae45f # [ 110.162917] Internal error: Oops: 8000000f [#6] SMP ARM # [ 110.170944] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan parallel_display etnaviv can_dev imxdrm gpu_sched imx_ipu_v3 # [ 110.202648] CPU: 1 PID: 2015 Comm: cat Tainted: G D W 5.10.158-cip21 #1 # [ 110.212468] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 110.220824] PC is at 0xf096c000 # [ 110.226140] LR is at execute_location+0xa4/0xb4 # [ 110.233262] pc : [] lr : [] psr: 600e0013 # [ 110.241176] sp : c6ed1e30 ip : c6ed1d38 fp : c6ed1e4c # [ 110.248137] r10: 0000000d r9 : c1accaf0 r8 : c15e8784 # [ 110.255183] r7 : c6ed1f60 r6 : 00000001 r5 : f096c000 r4 : c0c302f0 # [ 110.263529] r3 : e4806c1d r2 : e4806c1d r1 : ef7965e0 r0 : 0000002b # [ 110.271707] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 110.280749] Control: 10c5387d Table: 16b4004a DAC: 00000051 # [ 110.288231] Process cat (pid: 2015, stack limit = 0xc6253caf) # [ 110.294236] Stack: (0xc6ed1e30 to 0xc6ed2000) # [ 110.298602] 1e20: f096c000 c68ac000 0000000d c6ed1f60 # [ 110.306789] 1e40: c6ed1e64 c6ed1e50 c0c30374 c1359abc 00000022 c68ac000 c6ed1e74 c6ed1e68 # [ 110.314974] 1e60: c0c2f580 c0c30358 c6ed1e9c c6ed1e78 c0c2fa80 c0c2f560 c0c2f960 c6e8ef00 # [ 110.323159] 1e80: b6deb000 0000000d c52ec3c0 c6ed1f60 c6ed1ec4 c6ed1ea0 c07f6400 c0c2f96c # [ 110.331345] 1ea0: 00000000 c6e8ef00 b6deb000 c2816000 c6ed1f60 c07f639c c6ed1f5c c6ed1ec8 # [ 110.339530] 1ec0: c0598d2c c07f63a8 00000001 00000000 c05992c0 c44b6424 c05992c0 c6ed0000 # [ 110.347715] 1ee0: b6deb000 00020000 00000004 0000000d 0001fff3 c6ed1ee0 00000001 00000805 # [ 110.355900] 1f00: c6ae3e00 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 110.364086] 1f20: 00000000 00000000 c6ed0000 e4806c1d b6dea000 c6e8ef00 c6e8ef00 c6ed0000 # [ 110.372271] 1f40: b6deb000 00000000 00000000 00000004 c6ed1f94 c6ed1f60 c05992c0 c0598c2c # [ 110.380457] 1f60: 00000000 00000000 c6ed1fac e4806c1d 0000000d 0000000d b6f32e00 00000004 # [ 110.388644] 1f80: c03002e4 c6ed0000 c6ed1fa4 c6ed1f98 c0599350 c0599258 00000000 c6ed1fa8 # [ 110.396828] 1fa0: c03000c0 c0599344 0000000d 0000000d 00000001 b6deb000 0000000d 00000000 # [ 110.405014] 1fc0: 0000000d 0000000d b6f32e00 00000004 00000001 00000000 00020000 be882a54 # [ 110.413200] 1fe0: 00000004 be882788 b6e9d4cf b6e237e6 800e0030 00000001 00000000 00000000 # [ 110.421380] Backtrace: # [ 110.423849] [] (execute_location) from [] (lkdtm_EXEC_VMALLOC+0x28/0x34) # [ 110.432297] r7:c6ed1f60 r6:0000000d r5:c68ac000 r4:f096c000 # [ 110.437972] [] (lkdtm_EXEC_VMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) # [ 110.446327] r5:c68ac000 r4:00000022 # [ 110.449913] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 110.457931] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 110.465856] r9:c6ed1f60 r8:c52ec3c0 r7:0000000d r6:b6deb000 r5:c6e8ef00 r4:c0c2f960 # [ 110.473613] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 110.481453] r9:c07f639c r8:c6ed1f60 r7:c2816000 r6:b6deb000 r5:c6e8ef00 r4:00000000 # [ 110.489208] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 110.496354] r10:00000004 r9:00000000 r8:00000000 r7:b6deb000 r6:c[ 111.026549] lkdtm: Performing direct entry EXEC_RODATA 6ed0000 r5:c6e8ef00 # [ 110.504[ 111.032589] lkdtm: attempting ok execution at c0c302f0 188] r4:c6e8ef00 # [ 110.50673[ 111.040597] lkdtm: attempting bad execution at c15e8a20 3] [] (ksys_write) from[ 111.048660] 8<--- cut here --- [ ] 1(1s1y.s0_5w4r5i9] Unable to handle kernel paging request at virtual address c15e8a20 te+0x18/0x1c)[ #1 1[1 . 01613076] pgd = e270c63b .513877] r9:c6ed0000 r8:c[0 3 0111.068191] [c15e8a20] *pgd=1141941e(bad) 2e4 r7:00000004 r6:b6[f 3 211e10.074724] Internal error: Oops: 8000000d [#7] SMP ARM r5:0000000d r4:0000000d # [ 11[ 111.082200] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan parallel_display etnaviv can_dev imxdrm gpu_sched imx_ipu_v3 0.521632] [] (s[y s _111.113907] CPU: 3 PID: 2092 Comm: cat Tainted: G D W 5.10.158-cip21 #1 rite) from[ [ <1c1013.010204c0070] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) ] (ret_fast_syscall+0x0/0x28) #[ 111.132434] PC is at lkdtm_rodata_do_nothing+0x0/0x10 [ 110.529209] Exception stac[k (111.140262] LR is at execute_location+0xa4/0xb4 0xc6ed1fa8 t[o 01x1c16.e1d417f383] pc : [] lr : [] psr: 600e0013 0) # [ 110.5[3 4 217110.]1 515f59] sp : c47efe38 ip : c47efd40 fp : c47efe54 a0: [ 1 1 1 . 1 6 2 6 2] r10: 0000000c r9 : c1accb00 r8 : c15e8784 0000000d 00[0 0 010101d. 106090709] r7 : c47eff60 r6 : 00000000 r5 : c15e8a20 r4 : c0c302f0 0001 b6deb000[ 0 101010.010708d088] r3 : 224c80de r2 : 224c80de r1 : ef7c05e0 r0 : 0000002b 00000000 # [ 1[1 0 .151412.41586526] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none ] 1fc0: 000000[0 d 101010.010905741] Control: 10c5387d Table: 15c7804a DAC: 00000051 d b6f32e00 00[0 0 0101014. 20003083] Process cat (pid: 2092, stack limit = 0xfe805a75) 00001 00000[0 0 01 101.02012101036] Stack: (0xc47efe38 to 0xc47f0000) 0 be882a54 # [ [1 1 01.1515.0267318] fe20: 00000023 c6e95000 40] 1fe0: 00000004 be[8 8 2171818227579] fe40: 0000000c c47eff60 c47efe64 c47efe58 c1359d3c c1359abc c47efe74 c47efe68 b6e9d4cf b6e237e6[ #1 1[1 . 238012] fe60: c0c2f580 c1359d24 c47efe9c c47efe78 c0c2fa80 c0c2f560 c0c2f960 c6a26500 10.555706] Code: bad [P C 1v1a1l248360] fe80: b6e60000 0000000c c52ec3c0 c47eff60 c47efec4 c47efea0 c07f6400 c0c2f96c ue # [ 110.558842][ - -1-1[1 .258791] fea0: 00000000 c6a26500 b6e60000 c2816000 c47eff60 c07f639c c47eff5c c47efec8 nd trace a80c4e28b09[9 5 1d1f1e. 69223] fec0: c0598d2c c07f63a8 00000001 00000000 c05992c0 c136f2a0 c05992c0 c47ee000 ]--- # EXEC_VMALLOC[: m1i1s1s.279570] fee0: b6e60000 00020000 00000004 0000000c 0001fff4 c47efee0 00000001 b6e5f000 ng 'call trace:': [[F A I1L1]1 . 90001] ff00: c6ae2500 00000000 00000000 00000000 00000000 00000000 00000000 00000000 not ok 33 selftests[: l1k1d1t.m00347] ff20: 00000000 00000000 c136f2a0 224c80de c205c500 c6a26500 c6a26500 c47ee000 : EXEC_VMALLOC.sh [# e1x1i1t.=310692] ff40: b6e60000 00000000 00000000 00000004 c47eff94 c47eff60 c05992c0 c0598c2c # selftests: lkdtm[: E1X1E1C.321037] ff60: 00000000 00000000 c47effac 224c80de 0000000c 0000000c b6fa7e00 00000004 RODATA.sh [ 111.331469] ff80: c03002e4 c47ee000 c47effa4 c47eff98 c0599350 c0599258 00000000 c47effa8 [ 111.340599] ffa0: c03000c0 c0599344 0000000c 0000000c 00000001 b6e60000 0000000c 00000000 [ 111.348788] ffc0: 0000000c 0000000c b6fa7e00 00000004 00000001 00000000 00020000 be8a3a54 [ 111.356978] ffe0: 00000004 be8a3788 b6f124cf b6e987e6 800e0030 00000001 00000000 00000000 [ 111.365160] Backtrace: [ 111.367635] [] (execute_location) from [] (lkdtm_EXEC_RODATA+0x24/0x28) [ 111.376000] r7:c47eff60 r6:0000000c r5:c6e95000 r4:00000023 [ 111.381683] [] (lkdtm_EXEC_RODATA) from [] (lkdtm_do_action+0x2c/0x4c) [ 111.389964] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 111.397984] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 111.405912] r9:c47eff60 r8:c52ec3c0 r7:0000000c r6:b6e60000 r5:c6a26500 r4:c0c2f960 [ 111.413673] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 111.421515] r9:c07f639c r8:c47eff60 r7:c2816000 r6:b6e60000 r5:c6a26500 r4:00000000 [ 111.429271] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 111.436417] r10:00000004 r9:00000000 r8:00000000 r7:b6e60000 r6:c47ee000 r5:c6a26500 [ 111.444253] r4:c6a26500 [ 111.446800] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 111.453947] r9:c47ee000 r8:c03002e4 r7:00000004 r6:b6fa7e00 r5:0000000c r4:0000000c [ 111.461704] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 111.469280] Exception stack(0xc47effa8 to 0xc47efff0) [ 111.474344] ffa0: 0000000c 0000000c 00000001 b6e60000 0000000c 00000000 [ 111.482535] ffc0: 0000000c 0000000c b6fa7e00 00000004 00000001 00000000 00020000 be8a3a54 [ 111.490722] ffe0: 00000004 be8a3788 b6f124cf b6e987e6 [ 111.495786] Code: 5f727563 6e756f63 00000074 aa55aa55 (e1a0c00d) [ 111.501893] ---[ end trace a80c4e28b0995dff ]--- # Segmentation fault # [ 111.026549] lkdtm: Performing direct entry EXEC_RODATA # [ 111.032589] lkdtm: attempting ok execution at c0c302f0 # [ 111.040597] lkdtm: attempting bad execution at c15e8a20 # [ 111.048660] 8<--- cut here --- # [ 111.054529] Unable to handle kernel paging request at virtual address c15e8a20 # [ 111.063576] pgd = e270c63b # [ 111.068191] [c15e8a20] *pgd=1141941e(bad) # [ 111.074724] Internal error: Oops: 8000000d [#7] SMP ARM # [ 111.082200] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan parallel_display etnaviv can_dev imxdrm gpu_sched imx_ipu_v3 # [ 111.113907] CPU: 3 PID: 2092 Comm: cat Tainted: G D W 5.10.158-cip21 #1 # [ 111.124070] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 111.132434] PC is at lkdtm_rodata_do_nothing+0x0/0x10 # [ 111.140262] LR is at execute_location+0xa4/0xb4 # [ 111.147383] pc : [] lr : [] psr: 600e0013 # [ 111.155559] sp : c47efe38 ip : c47efd40 fp : c47efe54 # [ 111.162692] r10: 0000000c r9 : c1accb00 r8 : c15e8784 # [ 111.169739] r7 : c47eff60 r6 : 00000000 r5 : c15e8a20 r4 : c0c302f0 # [ 111.178088] r3 : 224c80de r2 : 224c80de r1 : ef7c05e0 r0 : 0000002b # [ 111.186526] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 111.195741] Control: 10c5387d Table: 15c7804a DAC: 00000051 # [ 111.203483] Process cat (pid: 2092, stack limit = 0xfe805a75) # [ 111.211136] Stack: (0xc47efe38 to 0xc47f0000) # [ 111.217318] fe20: 00000023 c6e95000 # [ 111.227579] fe40: 0000000c c47eff60 c47efe64 c47efe58 c1359d3c c1359abc c47efe74 c47efe68 # [ 111.238012] fe60: c0c2f580 c1359d24 c47efe9c c47efe78 c0c2fa80 c0c2f560 c0c2f960 c6a26500 # [ 111.248360] fe80: b6e60000 0000000c c52ec3c0 c47eff60 c47efec4 c47efea0 c07f6400 c0c2f96c # [ 111.258791] fea0: 00000000 c6a26500 b6e60000 c2816000 c47eff60 c07f639c c47eff5c c47efec8 # [ 111.269223] fec0: c0598d2c c07f63a8 00000001 00000000 c05992c0 c136f2a0 c05992c0 c47ee000 # [ 111.279570] fee0: b6e60000 00020000 00000004 0000000c 0001fff4 c47efee0 00000001 b6e5f000 # [ 111.290001] ff00: c6ae2500 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 111.300347] ff20: 00000000 00000000 c136f2a0 224c80de c205c500 c6a26500 c6a26500 c47ee000 # [ 111.310692] ff40: b6e60000 00000000 00000000 00000004 c47eff94 c47eff60 c05992c0 c0598c2c # [ 111.321037] ff60: 00000000 00000000 c47effac 224c80de 0000000c 0000000c b6fa7e00 00000004 # [ 111.331469] ff80: c03002e4 c47ee000 c47effa4 c47eff98 c0599350 c0599258 00000000 c47effa8 # [ 111.340599] ffa0: c03000c0 c0599344 0000000c 0000000c 00000001 b6e60000 0000000c 00000000 # [ 111.348788] ffc0: 0000000c 0000000c b6fa7e00 00000004 00000001 00000000 00020000 be8a3a54 # [ 111.356978] ffe0: 00000004 be8a3788 b6f124cf b6e987e6 800e0030 00000001 00000000 00000000 # [ 111.365160] Backtrace: # [ 111.367635] [] (execute_location) from [] (lkdtm_EXEC_RODATA+0x24/0x28) # [ 111.376000] r7:c47eff60 r6:0000000c r5:c6e95000 r4:00000023 # [ 111.381683] [] (lkdtm_EXEC_RODATA) from [] (lkdtm_do_action+0x2c/0x4c) # [ 111.389964] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 111.397984] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 111.405912] r9:c47eff60 r8:c52ec3c0 r7:0000000c r6:b6e60000 r5:c6a26500 r4:c0c2f960 # [ 111.413673] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 111.421515] r9:c07f639c r8:c47eff60 r7:c2816000 r6:b6e60000 r5:c6a26500 r4:00000000 # [ 111.429271] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 111.436417] r10:00000004 r9:00000000 r8:00000000 r7:b6e60000 r6:c47ee000 r5:c6a26500 # [ 111.444253] r4:c6a26500 # [ 111.446800] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 111.453947] r9:c47ee000 r8:c03002e4 r7:00000004 r6:b6fa7e00 r5:0000000c r4:0000000c # [ 111.461704] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 111.469280] Exception stack(0xc47effa8 to 0xc47efff0) # [ 111.474344] ffa0: 0000000c 0000000c 00000001 b6e60000 0000000c 00000000 # [ 111.482535] ffc0: 0000000c 0000000c b6fa7e00 00000004 00000001 0000[ 111.989775] lkdtm: Performing direct entry EXEC_USERSPACE 0000 00020000 be8a3a54 # [ 111.[ 111.997394] lkdtm: attempting ok execution at c0c302f0 490722] ffe0: 00000004 be8a3788 b[ 112.005364] lkdtm: attempting bad execution at b6f36000 6f124cf b6e987e6 # [ 111.495786[ 112.013444] Unhandled prefetch abort: page domain fault (0x00b) at 0xb6f36000 ] Code: 5f727563 6e756f63 0000007[ 112.023417] Internal error: : b [#8] SMP ARM 4 aa55aa55 (e1a0c00d) # [ 111.[ 112.030548] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan parallel_display etnaviv can_dev imxdrm gpu_sched imx_ipu_v3 501893] ---[ end trace a80c4e2[8 112.062269] CPU: 1 PID: 2168 Comm: cat Tainted: G D W 5.10.158-cip21 #1 0995dff ]--- #[ E X1E1C2_.R0O7D698] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) ATA: missing 'call trace[: ' :1 12.081238] PC is at 0xb6f36000 FAIL] not ok 34 selftests: lkdt[ 112.086824] LR is at lkdtm_EXEC_USERSPACE+0xc4/0xd4 : EXEC_RODATA.sh # e[x i t11=21. 94479] pc : [] lr : [] psr: 600e0013 # selftests: l[k d t1m1:2 .E1X0E918] sp : c6911e48 ip : c6911d50 fp : c6911e64 C_USERSPACE.sh [ 112.110148] r10: 0000000f r9 : c1accb0c r8 : c15e8784 [ 112.116770] r7 : c6911f60 r6 : 0000000f r5 : c68ac000 r4 : b6f36000 [ 112.123319] r3 : a841fb3c r2 : a841fb3c r1 : ef7965e0 r0 : 0000002b [ 112.129872] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 112.137030] Control: 10c5387d Table: 158a404a DAC: 00000051 [ 112.142801] Process cat (pid: 2168, stack limit = 0x7347c7bb) [ 112.148570] Stack: (0xc6911e48 to 0xc6912000) [ 112.152960] 1e40: 00000001 00000000 0000000f 00000024 c6911e74 c6911e68 [ 112.161171] 1e60: c0c2f580 c0c3038c c6911e9c c6911e78 c0c2fa80 c0c2f560 c0c2f960 c6e8f900 [ 112.169381] 1e80: b6df0000 0000000f c52ec3c0 c6911f60 c6911ec4 c6911ea0 c07f6400 c0c2f96c [ 112.177589] 1ea0: 00000000 c6e8f900 b6df0000 c2816000 c6911f60 c07f639c c6911f5c c6911ec8 [ 112.185798] 1ec0: c0598d2c c07f63a8 00000001 00000000 c05992c0 c44b45e4 c05992c0 c6910000 [ 112.194006] 1ee0: b6df0000 00020000 00000004 0000000f 0001fff1 c6911ee0 00000001 00000805 [ 112.202214] 1f00: c5b6d680 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 112.210423] 1f20: 00000000 00000000 c6910000 a841fb3c b6def000 c6e8f900 c6e8f900 c6910000 [ 112.218632] 1f40: b6df0000 00000000 00000000 00000004 c6911f94 c6911f60 c05992c0 c0598c2c [ 112.226843] 1f60: 00000000 00000000 c6911fac a841fb3c 0000000f 0000000f b6f37e00 00000004 [ 112.235052] 1f80: c03002e4 c6910000 c6911fa4 c6911f98 c0599350 c0599258 00000000 c6911fa8 [ 112.243259] 1fa0: c03000c0 c0599344 0000000f 0000000f 00000001 b6df0000 0000000f 00000000 [ 112.251466] 1fc0: 0000000f 0000000f b6f37e00 00000004 00000001 00000000 00020000 bea86a54 [ 112.259673] 1fe0: 00000004 bea86788 b6ea24cf b6e287e6 800e0030 00000001 00000000 00000000 [ 112.267866] Backtrace: [ 112.270378] [] (lkdtm_EXEC_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) [ 112.278926] r4:00000024 [ 112.281499] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 112.289545] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 112.297494] r9:c6911f60 r8:c52ec3c0 r7:0000000f r6:b6df0000 r5:c6e8f900 r4:c0c2f960 [ 112.305278] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 112.313140] r9:c07f639c r8:c6911f60 r7:c2816000 r6:b6df0000 r5:c6e8f900 r4:00000000 [ 112.320916] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 112.328086] r10:00000004 r9:00000000 r8:00000000 r7:b6df0000 r6:c6910000 r5:c6e8f900 [ 112.335935] r4:c6e8f900 [ 112.338500] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 112.345665] r9:c6910000 r8:c03002e4 r7:00000004 r6:b6f37e00 r5:0000000f r4:0000000f [ 112.353445] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 112.361035] Exception stack(0xc6911fa8 to 0xc6911ff0) [ 112.366114] 1fa0: 0000000f 0000000f 00000001 b6df0000 0000000f 00000000 [ 112.374321] 1fc0: 0000000f 0000000f b6f37e00 00000004 00000001 00000000 00020000 bea86a54 [ 112.382523] 1fe0: 00000004 bea86788 b6ea24cf b6e287e6 [ 112.387608] Code: bad PC value [ 112.390704] ---[ end trace a80c4e28b0995e00 ]--- # Segmentation fault # [ 111.989775] lkdtm: Performing direct entry EXEC_USERSPACE # [ 111.997394] lkdtm: attempting ok execution at c0c302f0 # [ 112.005364] lkdtm: attempting bad execution at b6f36000 # [ 112.013444] Unhandled prefetch abort: page domain fault (0x00b) at 0xb6f36000 # [ 112.023417] Internal error: : b [#8] SMP ARM # [ 112.030548] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan parallel_display etnaviv can_dev imxdrm gpu_sched imx_ipu_v3 # [ 112.062269] CPU: 1 PID: 2168 Comm: cat Tainted: G D W 5.10.158-cip21 #1 # [ 112.072698] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 112.081238] PC is at 0xb6f36000 # [ 112.086824] LR is at lkdtm_EXEC_USERSPACE+0xc4/0xd4 # [ 112.094479] pc : [] lr : [] psr: 600e0013 # [ 112.102918] sp : c6911e48 ip : c6911d50 fp : c6911e64 # [ 112.110148] r10: 0000000f r9 : c1accb0c r8 : c15e8784 # [ 112.116770] r7 : c6911f60 r6 : 0000000f r5 : c68ac000 r4 : b6f36000 # [ 112.123319] r3 : a841fb3c r2 : a841fb3c r1 : ef7965e0 r0 : 0000002b # [ 112.129872] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 112.137030] Control: 10c5387d Table: 158a404a DAC: 00000051 # [ 112.142801] Process cat (pid: 2168, stack limit = 0x7347c7bb) # [ 112.148570] Stack: (0xc6911e48 to 0xc6912000) # [ 112.152960] 1e40: 00000001 00000000 0000000f 00000024 c6911e74 c6911e68 # [ 112.161171] 1e60: c0c2f580 c0c3038c c6911e9c c6911e78 c0c2fa80 c0c2f560 c0c2f960 c6e8f900 # [ 112.169381] 1e80: b6df0000 0000000f c52ec3c0 c6911f60 c6911ec4 c6911ea0 c07f6400 c0c2f96c # [ 112.177589] 1ea0: 00000000 c6e8f900 b6df0000 c2816000 c6911f60 c07f639c c6911f5c c6911ec8 # [ 112.185798] 1ec0: c0598d2c c07f63a8 00000001 00000000 c05992c0 c44b45e4 c05992c0 c6910000 # [ 112.194006] 1ee0: b6df0000 00020000 00000004 0000000f 0001fff1 c6911ee0 00000001 00000805 # [ 112.202214] 1f00: c5b6d680 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 112.210423] 1f20: 00000000 00000000 c6910000 a841fb3c b6def000 c6e8f900 c6e8f900 c6910000 # [ 112.218632] 1f40: b6df0000 00000000 00000000 00000004 c6911f94 c6911f60 c05992c0 c0598c2c # [ 112.226843] 1f60: 00000000 00000000 c6911fac a841fb3c 0000000f 0000000f b6f37e00 00000004 # [ 112.235052] 1f80: c03002e4 c6910000 c6911fa4 c6911f98 c0599350 c0599258 00000000 c6911fa8 # [ 112.243259] 1fa0: c03000c0 c0599344 0000000f 0000000f 00000001 b6df0000 0000000f 00000000 # [ 112.251466] 1fc0: 0000000f 0000000f b6f37e00 00000004 00000001 00000000 00020000 bea86a54 # [ 112.259673] 1fe0: 00000004 bea86788 b6ea24cf b6e287e6 800e0030 00000001 00000000 00000000 # [ 112.267866] Backtrace: # [ 112.270378] [] (lkdtm_EXEC_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 112.278926] r4:00000024 # [ 112.281499] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 112.289545] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 112.297494] r9:c6911f60 r8:c52ec3c0 r7:0000000f r6:b6df0000 r5:c6e8f900 r4:c0c2f960 # [ 112.305278] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 112.313140] r9:c07f639c r8:c6911f60 r7:c2816000 r6:b6df0000 r5:c6e8f900 r4:00000000 # [ 112.320916] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 112.328086] r10:00000004 r9:00000000 r8:00000000 r7:b6df0000 r6:c6910000 r5:c6e8f900 # [ 112.335935] r4:c6e8f900 # [ 112.338500] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 112.345665] r9:c6910000 r8:c03002e4 r7:00000004 r6:b6f37e00 r5:0000000f r4:0000000f # [ 112.353445] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 112.361035] Exception sta[ 112.838561] lkdtm: Performing direct entry EXEC_NULL ck(0xc6911fa8 to 0[x c 6191121.f844309] lkdtm: attempting ok execution at c0c302f0 0) # [ 112.366114] 1fa0: [ 112.851683] lkdtm: attempting bad execution at 00000000 0000000f 0000000f 000[ 112.859779] 8<--- cut here --- 00001 b6df0000 0000000[f 010102.865632] Unable to handle kernel NULL pointer dereference at virtual address 00000000 0000 # [ 112.374321] 1fc0: 0000[ 112.876172] pgd = 7a4f4659 000f 0000000f b6f37e00 00000004 0[ 112.881713] [00000000] *pgd=00000000 0000001 00000000 00020000 bea86a5[ 112.888138] Internal error: Oops: 80000005 [#9] SMP ARM 4 # [ 112.382523] 1fe0: 0000000[ 112.896177] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan parallel_display etnaviv can_dev imxdrm gpu_sched imx_ipu_v3 4 bea86788 b6ea24[c f 1b162e.2927881] CPU: 1 PID: 2239 Comm: cat Tainted: G D W 5.10.158-cip21 #1 7e6 # [ [1 1 21.1328.79630787]02] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) Code: bad PC value [ # 1[1 2 .146055] PC is at 0x0 12.390704] ---[ end trace a[8 0 c12.950764] LR is at execute_location+0xa4/0xb4 4e28b0995e[0 0 1]1-2-.-95 7 8#0 ] pc : [<00000000>] lr : [] psr: 600e0013 EXEC_USER[S P A1C1E2:. 9m6i5s8s0i] sp : c6b1be38 ip : c6b1bd40 fp : c6b1be54 ng 'call [t r a1c1e2:.'9:7 2[7F5A] r10: 0000000a r9 : c1accb1c r8 : c15e8784 IL] not [o k 13152 .s9e7l97f1t8] r7 : c6b1bf60 r6 : 00000000 r5 : 00000000 r4 : c0c302f0 sts: lkd[t m :1 1E2X.E9C8_7U9S8E0] r3 : 3523b292 r2 : 3523b292 r1 : ef7965e0 r0 : 0000002b SPACE.sh # e[x i t1=112 . 9#9 6s244] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none lftests: [l k d1t1m3:. 0E05X2E8C4] Control: 10c5387d Table: 15c8004a DAC: 00000051 NULL.sh [ 113.012768] Process cat (pid: 2239, stack limit = 0xccc357f3) [ 113.019292] Stack: (0xc6b1be38 to 0xc6b1c000) [ 113.023655] be20: 00000025 c69d5000 [ 113.031842] be40: 0000000a c6b1bf60 c6b1be64 c6b1be58 c1359d60 c1359abc c6b1be74 c6b1be68 [ 113.040028] be60: c0c2f580 c1359d4c c6b1be9c c6b1be78 c0c2fa80 c0c2f560 c0c2f960 c5b9e3c0 [ 113.048213] be80: b6e04000 0000000a c52ec3c0 c6b1bf60 c6b1bec4 c6b1bea0 c07f6400 c0c2f96c [ 113.056398] bea0: 00000000 c5b9e3c0 b6e04000 c2816000 c6b1bf60 c07f639c c6b1bf5c c6b1bec8 [ 113.064584] bec0: c0598d2c c07f63a8 00000001 00000000 c05992c0 c136f2a0 c05992c0 c6b1a000 [ 113.072768] bee0: b6e04000 00020000 00000004 0000000a 0001fff6 c6b1bee0 00000001 b6e03000 [ 113.080955] bf00: c5bb9680 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 113.089140] bf20: 00000000 00000000 c136f2a0 3523b292 c205c500 c5b9e3c0 c5b9e3c0 c6b1a000 [ 113.097327] bf40: b6e04000 00000000 00000000 00000004 c6b1bf94 c6b1bf60 c05992c0 c0598c2c [ 113.105513] bf60: 00000000 00000000 c6b1bfac 3523b292 0000000a 0000000a b6f4be00 00000004 [ 113.113698] bf80: c03002e4 c6b1a000 c6b1bfa4 c6b1bf98 c0599350 c0599258 00000000 c6b1bfa8 [ 113.121883] bfa0: c03000c0 c0599344 0000000a 0000000a 00000001 b6e04000 0000000a 00000000 [ 113.130068] bfc0: 0000000a 0000000a b6f4be00 00000004 00000001 00000000 00020000 beef7a54 [ 113.138255] bfe0: 00000004 beef7788 b6eb64cf b6e3c7e6 800e0030 00000001 00000000 00000000 [ 113.146436] Backtrace: [ 113.148905] [] (execute_location) from [] (lkdtm_EXEC_NULL+0x20/0x24) [ 113.157093] r7:c6b1bf60 r6:0000000a r5:c69d5000 r4:00000025 [ 113.162770] [] (lkdtm_EXEC_NULL) from [] (lkdtm_do_action+0x2c/0x4c) [ 113.170871] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 113.178888] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 113.186813] r9:c6b1bf60 r8:c52ec3c0 r7:0000000a r6:b6e04000 r5:c5b9e3c0 r4:c0c2f960 [ 113.194570] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 113.202408] r9:c07f639c r8:c6b1bf60 r7:c2816000 r6:b6e04000 r5:c5b9e3c0 r4:00000000 [ 113.210160] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 113.217303] r10:00000004 r9:00000000 r8:00000000 r7:b6e04000 r6:c6b1a000 r5:c5b9e3c0 [ 113.225136] r4:c5b9e3c0 [ 113.227679] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 113.234822] r9:c6b1a000 r8:c03002e4 r7:00000004 r6:b6f4be00 r5:0000000a r4:0000000a [ 113.242578] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 113.250152] Exception stack(0xc6b1bfa8 to 0xc6b1bff0) [ 113.255214] bfa0: 0000000a 0000000a 00000001 b6e04000 0000000a 00000000 [ 113.263403] bfc0: 0000000a 0000000a b6f4be00 00000004 00000001 00000000 00020000 beef7a54 [ 113.271588] bfe0: 00000004 beef7788 b6eb64cf b6e3c7e6 [ 113.276652] Code: bad PC value [ 113.279790] ---[ end trace a80c4e28b0995e01 ]--- # Segmentation fault # [ 112.838561] lkdtm: Performing direct entry EXEC_NULL # [ 112.844309] lkdtm: attempting ok execution at c0c302f0 # [ 112.851683] lkdtm: attempting bad execution at 00000000 # [ 112.859779] 8<--- cut here --- # [ 112.865632] Unable to handle kernel NULL pointer dereference at virtual address 00000000 # [ 112.876172] pgd = 7a4f4659 # [ 112.881713] [00000000] *pgd=00000000 # [ 112.888138] Internal error: Oops: 80000005 [#9] SMP ARM # [ 112.896177] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan parallel_display etnaviv can_dev imxdrm gpu_sched imx_ipu_v3 # [ 112.927881] CPU: 1 PID: 2239 Comm: cat Tainted: G D W 5.10.158-cip21 #1 # [ 112.937702] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 112.946055] PC is at 0x0 # [ 112.950764] LR is at execute_location+0xa4/0xb4 # [ 112.957800] pc : [<00000000>] lr : [] psr: 600e0013 # [ 112.965800] sp : c6b1be38 ip : c6b1bd40 fp : c6b1be54 # [ 112.972759] r10: 0000000a r9 : c1accb1c r8 : c15e8784 # [ 112.979718] r7 : c6b1bf60 r6 : 00000000 r5 : 00000000 r4 : c0c302f0 # [ 112.987980] r3 : 3523b292 r2 : 3523b292 r1 : ef7965e0 r0 : 0000002b # [ 112.996244] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 113.005284] Control: 10c5387d Table: 15c8004a DAC: 00000051 # [ 113.012768] Process cat (pid: 2239, stack limit = 0xccc357f3) # [ 113.019292] Stack: (0xc6b1be38 to 0xc6b1c000) # [ 113.023655] be20: 00000025 c69d5000 # [ 113.031842] be40: 0000000a c6b1bf60 c6b1be64 c6b1be58 c1359d60 c1359abc c6b1be74 c6b1be68 # [ 113.040028] be60: c0c2f580 c1359d4c c6b1be9c c6b1be78 c0c2fa80 c0c2f560 c0c2f960 c5b9e3c0 # [ 113.048213] be80: b6e04000 0000000a c52ec3c0 c6b1bf60 c6b1bec4 c6b1bea0 c07f6400 c0c2f96c # [ 113.056398] bea0: 00000000 c5b9e3c0 b6e04000 c2816000 c6b1bf60 c07f639c c6b1bf5c c6b1bec8 # [ 113.064584] bec0: c0598d2c c07f63a8 00000001 00000000 c05992c0 c136f2a0 c05992c0 c6b1a000 # [ 113.072768] bee0: b6e04000 00020000 00000004 0000000a 0001fff6 c6b1bee0 00000001 b6e03000 # [ 113.080955] bf00: c5bb9680 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 113.089140] bf20: 00000000 00000000 c136f2a0 3523b292 c205c500 c5b9e3c0 c5b9e3c0 c6b1a000 # [ 113.097327] bf40: b6e04000 00000000 00000000 00000004 c6b1bf94 c6b1bf60 c05992c0 c0598c2c # [ 113.105513] bf60: 00000000 00000000 c6b1bfac 3523b292 0000000a 0000000a b6f4be00 00000004 # [ 113.113698] bf80: c03002e4 c6b1a000 c6b1bfa4 c6b1bf98 c0599350 c0599258 00000000 c6b1bfa8 # [ 113.121883] bfa0: c03000c0 c0599344 0000000a 0000000a 00000001 b6e04000 0000000a 00000000 # [ 113.130068] bfc0: 0000000a 0000000a b6f4be00 00000004 00000001 00000000 00020000 beef7a54 # [ 113.138255] bfe0: 00000004 beef7788 b6eb64cf b6e3c7e6 800e0030 00000001 00000000 00000000 # [ 113.146436] Backtrace: # [ 113.148905] [] (execute_location) from [] (lkdtm_EXEC_NULL+0x20/0x24) # [ 113.157093] r7:c6b1bf60 r6:0000000a r5:c69d5000 r4:00000025 # [ 113.162770] [] (lkdtm_EXEC_NULL) from [] (lkdtm_do_action+0x2c/0x4c) # [ 113.170871] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 113.178888] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 113.186813] r9:c6b1bf60 r8:c52ec3c0 r7:0000000a r6:b6e04000 r5:c5b9e3c0 r4:c0c2f960 # [ 113.194570] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 113.202408] r9:c07f639c r8:c6b1bf60 r7:c2816000 r6:b6e04000 r5:c5b9e3c0 r4:00000000 # [ 113.210160] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 113.217303] r10:00000004 r9:00000000 r8:00000000 r7:b6e04000 r6:c6b1a000 r5:c5b9e3c0 # [ 11[ 113.746081] lkdtm: Performing direct entry ACCESS_USERSPACE 3.225136] r4:c5b9e3c0 # [ 113.[ 113.752064] lkdtm: attempting bad read at b6efd000 227679] [] (ksys_write)[ 113.759716] 8<--- cut here --- from [1]1 3(.s7y6s5509] Unhandled fault: page domain fault (0x01b) at 0xb6efd000 write+0x18/[0 x 11c1)3 . 7#7 3[8 7] pgd = 7a4f4659 113.234822] r9:[c 6 b111a30.0708386] [b6efd000] *pgd=49483831 r8:c03002e4 r7:0[0 0 0101030.47 4049] Internal error: : 1b [#10] SMP ARM r6:b6f4be00 r5:0000000a r4:000000[ 113.790571] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan parallel_display etnaviv can_dev imxdrm gpu_sched imx_ipu_v3 0a # [ 113.24257[8 ] 1[1<3.c802275] CPU: 2 PID: 2315 Comm: cat Tainted: G D W 5.10.158-cip21 #1 599338>][ ( s1y1s3_.w8r3i2t0e9)4] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) from [] (ret_fa[s t _1s3.840367] PC is at lkdtm_ACCESS_USERSPACE+0x114/0x16c yscall+0x0/0x28) # [ 113.[2 5 013.848023] LR is at __irq_work_queue_local+0x40/0x74 152] Excepti[o n 1 1s3t.a8c5k5(508] pc : [] lr : [] psr: 600e0013 xc6b1bf[a 8 1t1o3 .08x6c366b614b sp : c6911e38 ip : c6911d40 fp : c6911e64 ff0) [# [1 1 31.1837.02553562] r10: 00000011 r9 : c1accb28 r8 : c15e8784 4] bfa0:[ 1 1 3 . 8 77 4 1 0 r7 : c6911f60 r6 : 00000051 r5 : c6910000 r4 : b6efd000 0000[0 0 01a1 30.0808050506] r3 : 0f0abd85 r2 : 0f0abd85 r1 : ef7ab5e0 r0 : 00000026 0a 00000001 b[6 e 0141030.08 903036] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none 00000a 00[0 0 0101030.9 0 2#9 7[6] Control: 10c5387d Table: 15c8004a DAC: 00000051 113.263403[] b1f1c30.:9 1000409] Process cat (pid: 2315, stack limit = 0x7347c7bb) 0000a 00000[0 0 a1 1b36.f941b8e006] Stack: (0xc6911e38 to 0xc6912000) 0 00000004 00000[0 0 11 1030.09024206] 1e20: 00000022 00000000 000 00020000 be[e f 71a1534.9 3 4466] 1e40: 00000000 0f0abd85 c6911e6c 00000026 c5d3a000 00000011 c6911e74 c6911e68 [ 113.271588] [b f e101:3 .09044637] 1e60: c0c2f580 c0c30460 c6911e9c c6911e78 c0c2fa80 c0c2f560 c0c2f960 c6ae32c0 00004 beef778[8 b161e3b.6945c4f95] 1e80: b6db7000 00000011 c52ec3c0 c6911f60 c6911ec4 c6911ea0 c07f6400 c0c2f96c b6e3c7e6 # [ [ 1 1131.32.79666981] 1ea0: 00000000 c6ae32c0 b6db7000 c2816000 c6911f60 c07f639c c6911f5c c6911ec8 52] Code: bad PC[ v a1l1u3e. 9 75153] 1ec0: c0598d2c c07f63a8 00000001 00000000 c05992c0 c136f2a0 c05992c0 c6910000 [ 113.279790] [- - -1[1 3e.n9d85412] 1ee0: b6db7000 00020000 00000004 00000011 0001ffef c6911ee0 00000001 b6db6000 trace a80c4e2[8 b 0191935.e90915 68] 1f00: c6e8fa40 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ]--- # EXEC_NULL[: m1i1s4s.i0n5756] 1f20: 00000000 00000000 c136f2a0 0f0abd85 c205c500 c6ae32c0 c6ae32c0 c6910000 g 'call trace:[' : 1[1F4A.I0L1]6011] 1f40: b6db7000 00000000 00000000 00000004 c6911f94 c6911f60 c05992c0 c0598c2c not ok 36 self[t e s1t1s4:. 0l2k184] 1f60: 00000000 00000000 c6911fac 0f0abd85 00000011 00000011 b6efee00 00000004 dtm: EXEC_NUL[L . s1h1 4#. 0e3x6i54] 1f80: c03002e4 c6910000 c6911fa4 c6911f98 c0599350 c0599258 00000000 c6911fa8 t=1 # selfte[s t s1:1 4l.k0d4t6m39] 1fa0: c03000c0 c0599344 00000011 00000011 00000001 b6db7000 00000011 00000000 : ACCESS_USERSPA[C E .1s1h4 . 056526] 1fc0: 00000011 00000011 b6efee00 00000004 00000001 00000000 00020000 bef13a54 [ 114.066697] 1fe0: 00000004 bef13788 b6e694cf b6def7e6 800e0030 00000001 00000000 00000000 [ 114.074877] Backtrace: [ 114.077346] [] (lkdtm_ACCESS_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) [ 114.086052] r6:00000011 r5:c5d3a000 r4:00000026 [ 114.090681] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 114.098699] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 114.106623] r9:c6911f60 r8:c52ec3c0 r7:00000011 r6:b6db7000 r5:c6ae32c0 r4:c0c2f960 [ 114.114380] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 114.122219] r9:c07f639c r8:c6911f60 r7:c2816000 r6:b6db7000 r5:c6ae32c0 r4:00000000 [ 114.129970] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 114.137113] r10:00000004 r9:00000000 r8:00000000 r7:b6db7000 r6:c6910000 r5:c6ae32c0 [ 114.144946] r4:c6ae32c0 [ 114.147487] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 114.154630] r9:c6910000 r8:c03002e4 r7:00000004 r6:b6efee00 r5:00000011 r4:00000011 [ 114.162384] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 114.169957] Exception stack(0xc6911fa8 to 0xc6911ff0) [ 114.175016] 1fa0: 00000011 00000011 00000001 b6db7000 00000011 00000000 [ 114.183200] 1fc0: 00000011 00000011 b6efee00 00000004 00000001 00000000 00020000 bef13a54 [ 114.191383] 1fe0: 00000004 bef13788 b6e694cf b6def7e6 [ 114.196444] Code: e1a01004 e30d0a4c e34c01ac eb1c7a41 (e5943000) [ 114.202548] ---[ end trace a80c4e28b0995e02 ]--- # Segmentation fault # [ 113.746081] lkdtm: Performing direct entry ACCESS_USERSPACE # [ 113.752064] lkdtm: attempting bad read at b6efd000 # [ 113.759716] 8<--- cut here --- # [ 113.765509] Unhandled fault: page domain fault (0x01b) at 0xb6efd000 # [ 113.773857] pgd = 7a4f4659 # [ 113.778386] [b6efd000] *pgd=49483831 # [ 113.784049] Internal error: : 1b [#10] SMP ARM # [ 113.790571] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan parallel_display etnaviv can_dev imxdrm gpu_sched imx_ipu_v3 # [ 113.822275] CPU: 2 PID: 2315 Comm: cat Tainted: G D W 5.10.158-cip21 #1 # [ 113.832094] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 113.840367] PC is at lkdtm_ACCESS_USERSPACE+0x114/0x16c # [ 113.848023] LR is at __irq_work_queue_local+0x40/0x74 # [ 113.855578] pc : [] lr : [] psr: 600e0013 # [ 113.863664] sp : c6911e38 ip : c6911d40 fp : c6911e64 # [ 113.870536] r10: 00000011 r9 : c1accb28 r8 : c15e8784 # [ 113.877410] r7 : c6911f60 r6 : 00000051 r5 : c6910000 r4 : b6efd000 # [ 113.885586] r3 : 0f0abd85 r2 : 0f0abd85 r1 : ef7ab5e0 r0 : 00000026 # [ 113.893936] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 113.902976] Control: 10c5387d Table: 15c8004a DAC: 00000051 # [ 113.910459] Process cat (pid: 2315, stack limit = 0x7347c7bb) # [ 113.918026] Stack: (0xc6911e38 to 0xc6912000) # [ 113.924206] 1e20: 00000022 00000000 # [ 113.934466] 1e40: 00000000 0f0abd85 c6911e6c 00000026 c5d3a000 00000011 c6911e74 c6911e68 # [ 113.944637] 1e60: c0c2f580 c0c30460 c6911e9c c6911e78 c0c2fa80 c0c2f560 c0c2f960 c6ae32c0 # [ 113.954895] 1e80: b6db7000 00000011 c52ec3c0 c6911f60 c6911ec4 c6911ea0 c07f6400 c0c2f96c # [ 113.964981] 1ea0: 00000000 c6ae32c0 b6db7000 c2816000 c6911f60 c07f639c c6911f5c c6911ec8 # [ 113.975153] 1ec0: c0598d2c c07f63a8 00000001 00000000 c05992c0 c136f2a0 c05992c0 c6910000 # [ 113.985412] 1ee0: b6db7000 00020000 00000004 00000011 0001ffef c6911ee0 00000001 b6db6000 # [ 113.995668] 1f00: c6e8fa40 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 114.005756] 1f20: 00000000 00000000 c136f2a0 0f0abd85 c205c500 c6ae32c0 c6ae32c0 c6910000 # [ 114.016011] 1f40: b6db7000 00000000 00000000 00000004 c6911f94 c6911f60 c05992c0 c0598c2c # [ 114.026184] 1f60: 00000000 00000000 c6911fac 0f0abd85 00000011 00000011 b6efee00 00000004 # [ 114.036354] 1f80: c03002e4 c6910000 c6911fa4 c6911f98 c0599350 c0599258 00000000 c6911fa8 # [ 114.046439] 1fa0: c03000c0 c0599344 00000011 00000011 00000001 b6db7000 00000011 00000000 # [ 114.056526] 1fc0: 00000011 00000011 b6efee00 00000004 00000001 00000000 00020000 bef13a54 # [ 114.066697] 1fe0: 00000004 bef13788 b6e694cf b6def7e6 800e0030 00000001 00000000 00000000 # [ 114.074877] Backtrace: # [ 114.077346] [] (lkdtm_ACCESS_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 114.086052] r6:00000011 r5:c5d3a000 r4:00000026 # [ 114.090681] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 114.098699] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 114.106623] r9:c6911f60 r8:c52ec3c0 r7:00000011 r6:b6db7000 r5:c6ae32c0 r4:c0c2f960 # [ 114.114380] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 114.122219] r9:c07f639c r8:c6911f60 r7:c2816000 r6:b6db7000 r5:c6ae32c0 r4:00000000 # [ 114.129970] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 114.137113] r10:00000004 r9:00000000 r8:00000000 r7:b6db7000 r6:c6910000 r5:c6ae32c0 # [ 114.144946] r4:c6ae32c0 # [ 114.147487] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 114.154630] r9:[ 114.682440] lkdtm: Performing direct entry ACCESS_NULL c6910000 r8:c03002e4 r7:00000004 [ 114.690125] lkdtm: attempting bad read at 00000000 r6:b6efee00 r5:00000011 r4:000000[ 114.697770] 8<--- cut here --- 11 # [ 114.162384] [][ 114.703633] Unable to handle kernel NULL pointer dereference at virtual address 00000000 (sys_write) from [] (r[ 114.714673] pgd = 14ab267b et_fast_syscall+0x0/0x28) # [ 1[ 114.720184] [00000000] *pgd=00000000 14.169957] Exception stack(0[x c 114.726595] Internal error: Oops: 5 [#11] SMP ARM 911fa8 to 0xc6911ff0) # [ 114.1[ 114.733893] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan parallel_display etnaviv can_dev imxdrm gpu_sched imx_ipu_v3 75016] 1fa0: [ 1 1 4 .765599] CPU: 3 PID: 2390 Comm: cat Tainted: G D W 5.10.158-cip21 #1 0000001[1 0101040.07071515 3] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 00000001 b6db7000 00000011 000000[ 114.783957] PC is at lkdtm_ACCESS_NULL+0x28/0x68 00 # [ 114.183200] 1fc0:[ 0 0114.791433] LR is at __irq_work_queue_local+0x40/0x74 00011 000[0 0 011114 .b769e8f9e8e] pc : [] lr : [] psr: 600e0013 00 00000004[ 0 0101040.0800619 90] sp : c6b07e50 ip : c6b07d58 fp : c6b07e64 0000000 00[0 2 0101040. 8b1e4f0135] r10: 0000000c r9 : c1accb3c r8 : c15e8784 a54 # [ [ 1 1141.41.9812318038]] r7 : c6b07f60 r6 : 0000000c r5 : c5cde000 r4 : 00000000 1fe0: 0000[0 0 0141 4b.8e2f913343] r3 : 638a1b5e r2 : 638a1b5e r1 : ef7c05e0 r0 : 00000026 88 b6e694cf b[6 d e1f174e.68 3 7#92] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 114.19644[4 ] 1C1o4d.e8:4 6e34] Control: 10c5387d Table: 147cc04a DAC: 00000051 1a01004 e30d0a4[c e13144c.0815a388] Process cat (pid: 2390, stack limit = 0xad154de5) c eb1c7a41 ([e 5 9141340.0806)21 7] Stack: (0xc6b07e50 to 0xc6b08000) # [ 114.20254[8 ] 1-1-4-.[8 68308] 7e40: 00000027 c5cde000 c6b07e74 c6b07e68 nd trace a80c4e[2 8 b101949.58e70565] 7e60: c0c2f580 c1359d70 c6b07e9c c6b07e78 c0c2fa80 c0c2f560 c0c2f960 c6b023c0 2 ]--- # ACCESS[_ U S1E1R4S.P8A88736] 7e80: b6e1f000 0000000c c52ec3c0 c6b07f60 c6b07ec4 c6b07ea0 c07f6400 c0c2f96c E: missing 'call t[r a c11e4:.'8:8995] 7ea0: 00000000 c6b023c0 b6e1f000 c2816000 c6b07f60 c07f639c c6b07f5c c6b07ec8 [FAIL] not ok 37[ s e1l1f4t.e909253] 7ec0: c0598d2c c07f63a8 00000001 00000000 c05992c0 c136f2a0 c05992c0 c6b06000 ts: lkdtm: ACC[E S S1_1U4S.E9R1S9595] 7ee0: b6e1f000 00020000 00000004 0000000c 0001fff4 c6b07ee0 00000001 b6e1e000 ACE.sh # exit=1 [# s1e1l4f.t9e9767] 7f00: c5aa8000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 sts: lkdtm: ACCES[S _ N1U1L4L..9s0024] 7f20: 00000000 00000000 c136f2a0 638a1b5e c205c500 c6b023c0 c6b023c0 c6b06000 h [ 114.950281] 7f40: b6e1f000 00000000 00000000 00000004 c6b07f94 c6b07f60 c05992c0 c0598c2c [ 114.958716] 7f60: 00000000 00000000 c6b07fac 638a1b5e 0000000c 0000000c b6f66e00 00000004 [ 114.966901] 7f80: c03002e4 c6b06000 c6b07fa4 c6b07f98 c0599350 c0599258 00000000 c6b07fa8 [ 114.975087] 7fa0: c03000c0 c0599344 0000000c 0000000c 00000001 b6e1f000 0000000c 00000000 [ 114.983272] 7fc0: 0000000c 0000000c b6f66e00 00000004 00000001 00000000 00020000 be9f0a54 [ 114.991458] 7fe0: 00000004 be9f0788 b6ed14cf b6e577e6 800e0030 00000001 00000000 00000000 [ 114.999638] Backtrace: [ 115.002115] [] (lkdtm_ACCESS_NULL) from [] (lkdtm_do_action+0x2c/0x4c) [ 115.010387] r5:c5cde000 r4:00000027 [ 115.013977] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 115.021995] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 115.029921] r9:c6b07f60 r8:c52ec3c0 r7:0000000c r6:b6e1f000 r5:c6b023c0 r4:c0c2f960 [ 115.037678] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 115.045518] r9:c07f639c r8:c6b07f60 r7:c2816000 r6:b6e1f000 r5:c6b023c0 r4:00000000 [ 115.053271] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 115.060416] r10:00000004 r9:00000000 r8:00000000 r7:b6e1f000 r6:c6b06000 r5:c6b023c0 [ 115.068249] r4:c6b023c0 [ 115.070792] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 115.077937] r9:c6b06000 r8:c03002e4 r7:00000004 r6:b6f66e00 r5:0000000c r4:0000000c [ 115.085694] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 115.093268] Exception stack(0xc6b07fa8 to 0xc6b07ff0) [ 115.098329] 7fa0: 0000000c 0000000c 00000001 b6e1f000 0000000c 00000000 [ 115.106516] 7fc0: 0000000c 0000000c b6f66e00 00000004 00000001 00000000 00020000 be9f0a54 [ 115.114699] 7fe0: 00000004 be9f0788 b6ed14cf b6e577e6 [ 115.119760] Code: e30d0a4c e34c01ac e1a01004 ebffd438 (e5945000) [ 115.125986] ---[ end trace a80c4e28b0995e03 ]--- # Segmentation fault # [ 114.682440] lkdtm: Performing direct entry ACCESS_NULL # [ 114.690125] lkdtm: attempting bad read at 00000000 # [ 114.697770] 8<--- cut here --- # [ 114.703633] Unable to handle kernel NULL pointer dereference at virtual address 00000000 # [ 114.714673] pgd = 14ab267b # [ 114.720184] [00000000] *pgd=00000000 # [ 114.726595] Internal error: Oops: 5 [#11] SMP ARM # [ 114.733893] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan parallel_display etnaviv can_dev imxdrm gpu_sched imx_ipu_v3 # [ 114.765599] CPU: 3 PID: 2390 Comm: cat Tainted: G D W 5.10.158-cip21 #1 # [ 114.775593] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 114.783957] PC is at lkdtm_ACCESS_NULL+0x28/0x68 # [ 114.791433] LR is at __irq_work_queue_local+0x40/0x74 # [ 114.798989] pc : [] lr : [] psr: 600e0013 # [ 114.806990] sp : c6b07e50 ip : c6b07d58 fp : c6b07e64 # [ 114.814035] r10: 0000000c r9 : c1accb3c r8 : c15e8784 # [ 114.821082] r7 : c6b07f60 r6 : 0000000c r5 : c5cde000 r4 : 00000000 # [ 114.829343] r3 : 638a1b5e r2 : 638a1b5e r1 : ef7c05e0 r0 : 00000026 # [ 114.837692] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 114.846734] Control: 10c5387d Table: 147cc04a DAC: 00000051 # [ 114.854388] Process cat (pid: 2390, stack limit = 0xad154de5) # [ 114.862127] Stack: (0xc6b07e50 to 0xc6b08000) # [ 114.868308] 7e40: 00000027 c5cde000 c6b07e74 c6b07e68 # [ 114.878565] 7e60: c0c2f580 c1359d70 c6b07e9c c6b07e78 c0c2fa80 c0c2f560 c0c2f960 c6b023c0 # [ 114.888736] 7e80: b6e1f000 0000000c c52ec3c0 c6b07f60 c6b07ec4 c6b07ea0 c07f6400 c0c2f96c # [ 114.898995] 7ea0: 00000000 c6b023c0 b6e1f000 c2816000 c6b07f60 c07f639c c6b07f5c c6b07ec8 # [ 114.909253] 7ec0: c0598d2c c07f63a8 00000001 00000000 c05992c0 c136f2a0 c05992c0 c6b06000 # [ 114.919595] 7ee0: b6e1f000 00020000 00000004 0000000c 0001fff4 c6b07ee0 00000001 b6e1e000 # [ 114.929767] 7f00: c5aa8000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 114.940024] 7f20: 00000000 00000000 c136f2a0 638a1b5e c205c500 c6b023c0 c6b023c0 c6b06000 # [ 114.950281] 7f40: b6e1f000 00000000 00000000 00000004 c6b07f94 c6b07f60 c05992c0 c0598c2c # [ 114.958716] 7f60: 00000000 00000000 c6b07fac 638a1b5e 0000000c 0000000c b6f66e00 00000004 # [ 114.966901] 7f80: c03002e4 c6b06000 c6b07fa4 c6b07f98 c0599350 c0599258 00000000 c6b07fa8 # [ 114.975087] 7fa0: c03000c0 c0599344 0000000c 0000000c 00000001 b6e1f000 0000000c 00000000 # [ 114.983272] 7fc0: 0000000c 0000000c b6f66e00 00000004 00000001 00000000 00020000 be9f0a54 # [ 114.991458] 7fe0: 00000004 be9f0788 b6ed14cf b6e577e6 800e0030 00000001 00000000 00000000 # [ 114.999638] Backtrace: # [ 115.002115] [] (lkdtm_ACCESS_NULL) from [] (lkdtm_do_action+0x2c/0x4c) # [ 115.010387] r5:c5cde000 r4:00000027 # [ 115.013977] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 115.021995] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 115.029921] r9:c6b07f60 r8:c52ec3c0 r7:0000000c r6:b6e1f000 r5:c6b023c0 r4:c0c2f960 # [ 115.037678] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 115.045518] r9:c07f639c r8:c6b07f60 r7:c2816000 r6:b6e1f000 r5:c6b023c0 r4:00000000 # [ 115.053271] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 115.060416] r10:00000004 r9:00000000 r8:00000000 r7:b6e1f000 r6:c6b06000 r5:c6b023c0 # [ 115.068249] r4:c6b023c0 # [ 115.070792] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 115.077937] r9:c6b06000 r8:c03002e4 r7:00000004 r6:b6f66e00 r5:0000000c r4:0000000c # [ 115.085694] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 115.093268] Exception stack(0xc6b07fa8 to 0xc6b07ff0) # [ 115.098329] 7fa0: 000[ 115.602510] lkdtm: Performing direct entry WRITE_RO 0000c 0000000c 00000001 b6e1f000 [ 115.608521] lkdtm: attempting bad rodata write at c15e8a1c 0000000c 00000000 # [ 115.10651[ 115.616817] 8<--- cut here --- [ 115.622653] Unable to handle kernel paging request at virtual address c15e8a1c [ 115.629895] pgd = 9b461235 [ 115.632627] [c15e8a1c] *pgd=1141941e(bad) [ 115.636693] Internal error: Oops: 80d [#12] SMP ARM [ 115.641595] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan parallel_display etnaviv can_dev imxdrm gpu_sched imx_ipu_v3 [ 115.670886] CPU: 0 PID: 2464 Comm: cat Tainted: G D W 5.10.158-cip21 #1 [ 115.678650] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 115.685224] PC is at lkdtm_WRITE_RO+0x44/0x50 [ 115.689628] LR is at __irq_work_queue_local+0x40/0x74 [ 115.694704] pc : [] lr : [] psr: 600e0013 [ 115.700993] sp : c6ee3e50 ip : c6ee3d58 fp : c6ee3e64 [ 115.706241] r10: 00000009 r9 : c1accb48 r8 : c15e8784 [ 115.711487] r7 : c6ee3f60 r6 : 00000009 r5 : c5c56000 r4 : c15e8a1c [ 115.718036] r3 : 0198b861 r2 : aa55aa55 r1 : ef7815e0 r0 : c1acd94c [ 115.724589] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 115.731746] Control: 10c5387d Table: 16f9804a DAC: 00000051 [ 115.737514] Process cat (pid: 2464, stack limit = 0x05a51adc) [ 115.743284] Stack: (0xc6ee3e50 to 0xc6ee4000) [ 115.747672] 3e40: 00000028 c5c56000 c6ee3e74 c6ee3e68 [ 115.755883] 3e60: c0c2f580 c1359b70 c6ee3e9c c6ee3e78 c0c2fa80 c0c2f560 c0c2f960 c5b73040 [ 115.764092] 3e80: b6df5000 00000009 c52ec3c0 c6ee3f60 c6ee3ec4 c6ee3ea0 c07f6400 c0c2f96c [ 115.772301] 3ea0: 00000000 c5b73040 b6df5000 c2816000 c6ee3f60 c07f639c c6ee3f5c c6ee3ec8 [ 115.780510] 3ec0: c0598d2c c07f63a8 00000001 00000000 c05992c0 c2d5e6e4 c05992c0 c6ee2000 [ 115.788718] 3ee0: b6df5000 00020000 00000004 00000009 0001fff7 c6ee3ee0 00000001 00000805 [ 115.796925] 3f00: c5aab2c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 115.805133] 3f20: 00000000 00000000 c6ee2000 35f8b351 b6df4000 c5b73040 c5b73040 c6ee2000 [ 115.813340] 3f40: b6df5000 00000000 00000000 00000004 c6ee3f94 c6ee3f60 c05992c0 c0598c2c [ 115.821548] 3f60: 00000000 00000000 c6ee3fac 35f8b351 00000009 00000009 b6f3ce00 00000004 [ 115.829756] 3f80: c03002e4 c6ee2000 c6ee3fa4 c6ee3f98 c0599350 c0599258 00000000 c6ee3fa8 [ 115.837963] 3fa0: c03000c0 c0599344 00000009 00000009 00000001 b6df5000 00000009 00000000 [ 115.846171] 3fc0: 00000009 00000009 b6f3ce00 00000004 00000001 00000000 00020000 bef81a54 [ 115.854378] 3fe0: 00000004 bef81788 b6ea74cf b6e2d7e6 800e0030 00000001 00000000 00000000 [ 115.862573] Backtrace: [ 115.865089] [] (lkdtm_WRITE_RO) from [] (lkdtm_do_action+0x2c/0x4c) [ 115.873122] r5:c5c56000 r4:00000028 [ 115.876738] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 115.884787] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 115.892735] r9:c6ee3f60 r8:c52ec3c0 r7:00000009 r6:b6df5000 r5:c5b73040 r4:c0c2f960 [ 115.900518] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 115.908381] r9:c07f639c r8:c6ee3f60 r7:c2816000 r6:b6df5000 r5:c5b73040 r4:00000000 [ 115.916158] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 115.923324] r10:00000004 r9:00000000 r8:00000000 r7:b6df5000 r6:c6ee2000 r5:c5b73040 [ 115.931174] r4:c5b73040 [ 115.933742] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 115.940907] r9:c6ee2000 r8:c03002e4 r7:00000004 r6:b6f3ce00 r5:00000009 r4:00000009 [ 115.948687] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 115.956277] Exception stack(0xc6ee3fa8 to 0xc6ee3ff0) [ 115.961358] 3fa0: 00000009 00000009 00000001 b6df5000 00000009 00000000 [ 115.969566] 3fc0: 00000009 00000009 b6f3ce00 00000004 00000001 00000000 00020000 bef81a54 [ 115.977767] 3fe0: 00000004 bef81788 b6ea74cf b6e2d7e6 [ 115.982851] Code: e34a3bcd e30d094c e34c01ac e0233002 (e5843000) [ 115.988978] ---[ end trace a80c4e28b0995e04 ]--- 6] 7fc0: 0000000c 0000000c b6f66e00 00000004 00000001 00000000 00020000 be9f0a54 # [ 115.114699] 7fe0: 00000004 be9f0788 b6ed14cf b6e577e6 # [ 115.119760] Code: e30d0a4c e34c01ac e1a01004 ebffd438 (e5945000) # [ 115.125986] ---[ end trace a80c4e28b0995e03 ]--- # ACCESS_NULL: missing 'call trace:': [FAIL] not ok 38 selftests: lkdtm: ACCESS_NULL.sh # exit=1 # selftests: lkdtm: WRITE_RO.sh # Segmentation fault # [ 115.602510] lkdtm: Performing direct entry WRITE_RO # [ 115.608521] lkdtm: attempting bad rodata write at c15e8a1c # [ 115.616817] 8<--- cut here --- # [ 115.622653] Unable to handle kernel paging request at virtual address c15e8a1c # [ 115.629895] pgd = 9b461235 # [ 115.632627] [c15e8a1c] *pgd=1141941e(bad) # [ 115.636693] Internal error: Oops: 80d [#12] SMP ARM # [ 115.641595] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan parallel_display etnaviv can_dev imxdrm gpu_sched imx_ipu_v3 # [ 115.670886] CPU: 0 PID: 2464 Comm: cat Tainted: G D W 5.10.158-cip21 #1 # [ 115.678650] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 115.685224] PC is at lkdtm_WRITE_RO+0x44/0x50 # [ 115.689628] LR is at __irq_work_queue_local+0x40/0x74 # [ 115.694704] pc : [] lr : [] psr: 600e0013 # [ 115.700993] sp : c6ee3e50 ip : c6ee3d58 fp : c6ee3e64 # [ 115.706241] r10: 00000009 r9 : c1accb48 r8 : c15e8784 # [ 115.711487] r7 : c6ee3f60 r6 : 00000009 r5 : c5c56000 r4 : c15e8a1c # [ 115.718036] r3 : 0198b861 r2 : aa55aa55 r1 : ef7815e0 r0 : c1acd94c # [ 115.724589] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 115.731746] Control: 10c5387d Table: 16f9804a DAC: 00000051 # [ 115.737514] Process cat (pid: 2464, stack limit = 0x05a51adc) # [ 115.743284] Stack: (0xc6ee3e50 to 0xc6ee4000) # [ 115.747672] 3e40: 00000028 c5c56000 c6ee3e74 c6ee3e68 # [ 115.755883] 3e60: c0c2f580 c1359b70 c6ee3e9c c6ee3e78 c0c2fa80 c0c2f560 c0c2f960 c5b73040 # [ 115.764092] 3e80: b6df5000 00000009 c52ec3c0 c6ee3f60 c6ee3ec4 c6ee3ea0 c07f6400 c0c2f96c # [ 115.772301] 3ea0: 00000000 c5b73040 b6df5000 c2816000 c6ee3f60 c07f639c c6ee3f5c c6ee3ec8 # [ 115.780510] 3ec0: c0598d2c c07f63a8 00000001 00000000 c05992c0 c2d5e6e4 c05992c0 c6ee2000 # [ 115.788718] 3ee0: b6df5000 00020000 00000004 00000009 0001fff7 c6ee3ee0 00000001 00000805 # [ 115.796925] 3f00: c5aab2c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 115.805133] 3f20: 00000000 00000000 c6ee2000 35f8b351 b6df4000 c5b73040 c5b73040 c6ee2000 # [ 115.813340] 3f40: b6df5000 00000000 00000000 00000004 c6ee3f94 c6ee3f60 c05992c0 c0598c2c # [ 115.821548] 3f60: 00000000 00000000 c6ee3fac 35f8b351 00000009 00000009 b6f3ce00 00000004 # [ 115.829756] 3f80: c03002e4 c6ee2000 c6ee3fa4 c6ee3f98 c0599350 c0599258 00000000 c6ee3fa8 # [ 115.837963] 3fa0: c03000c0 c0599344 00000009 00000009 00000001 b6df5000 00000009 00000000 # [ 115.846171] 3fc0: 00000009 00000009 b6f3ce00 00000004 00000001 00000000 00020000 bef81a54 # [ 115.854378] 3fe0: 00000004 bef81788 b6ea74cf b6e2d7e6 800e0030 00000001 00000000 00000000 # [ 115.862573] Backtrace: # [ 115.865089] [] (lkdtm_WRITE_RO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 115.873122] r5:c5c56000 r4:00000028 # [ 115.876738] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 115.884787] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 115.892735] r9:c6ee3f60 r8:c52ec3c0 r7:00000009 r6:b6df5000 r5:c5b73040 r4:c0c2f960 # [ 115.900518] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 115.908381] r9:c07f639c r8:c6ee3f60 r7:c2816000 r6:b6df5000 r5:c5b73040 r4:00000000 # [ 115.916158] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 115.923324] r10:00000004 r9:00000000 r8:00000000 r7:b6df5000 r6:c6ee2000 r5:c5b73040 # [ 115.931174] r4:c5b73040 # [ 115.933742] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 115.940907] r9:c6ee2000 r8:c03002e4 r7:00000004 r6:b6f3ce00 r5:00000009 r4:00000009 # [ 115.948687] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 115.956277] Exception stack(0xc6ee3fa8 to 0xc6ee3ff0) # [ 115.961358] 3fa0: 00000009 00000009 00000001 b6df5000 00000009 00000000 # [ 115.969566] 3fc0: 00000009 00000009 b6f3ce00 00000004 00000001 00000000 00020000 bef81a54 # [ 115.977767] 3fe0: 00000004 bef81788 b6ea74cf b6e2d7e6 # [ 115.982851] Code: e34a3bcd e30d094c e34c01ac e0233002 (e5843000) # [ 115.988978] ---[ end trace a80c4e28b0995e04 ]--- # WRITE_RO: missing 'call trace:': [FAIL] not ok 39 selftests: lkdtm: WRITE_RO.sh # exit=1 # selftests: lkdtm: WRITE_RO_AFTER_INIT.sh [ 116.513648] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT [ 116.519704] lkdtm: attempting bad ro_after_init write at c1b7ec60 [ 116.525841] 8<--- cut here --- [ 116.528911] Unable to handle kernel paging request at virtual address c1b7ec60 [ 116.536140] pgd = bb2a1566 [ 116.538853] [c1b7ec60] *pgd=11a1941e(bad) [ 116.542882] Internal error: Oops: 80d [#13] SMP ARM [ 116.547767] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan parallel_display etnaviv can_dev imxdrm gpu_sched imx_ipu_v3 [ 116.576799] CPU: 1 PID: 2538 Comm: cat Tainted: G D W 5.10.158-cip21 #1 [ 116.584547] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 116.591093] PC is at lkdtm_WRITE_RO_AFTER_INIT+0x64/0x70 [ 116.596412] LR is at 0x0 [ 116.598951] pc : [] lr : [<00000000>] psr: 600e0013 [ 116.605223] sp : c5f6de50 ip : 00000027 fp : c5f6de64 [ 116.610452] r10: 00000014 r9 : c1accb54 r8 : c15e8784 [ 116.615681] r7 : c5f6df60 r6 : 00000014 r5 : c69d5000 r4 : c1b7ec60 [ 116.622213] r3 : fe67479e r2 : 55aa55aa r1 : ef7965e4 r0 : c1acd94c [ 116.628747] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 116.635887] Control: 10c5387d Table: 16a7c04a DAC: 00000051 [ 116.641637] Process cat (pid: 2538, stack limit = 0x1356907f) [ 116.647388] Stack: (0xc5f6de50 to 0xc5f6e000) [ 116.651755] de40: 00000029 c69d5000 c5f6de74 c5f6de68 [ 116.659941] de60: c0c2f580 c1359bc0 c5f6de9c c5f6de78 c0c2fa80 c0c2f560 c0c2f960 c5bbdb80 [ 116.668127] de80: b6e1c000 00000014 c52ec3c0 c5f6df60 c5f6dec4 c5f6dea0 c07f6400 c0c2f96c [ 116.676312] dea0: 00000000 c5bbdb80 b6e1c000 c2816000 c5f6df60 c07f639c c5f6df5c c5f6dec8 [ 116.684499] dec0: c0598d2c c07f63a8 00000001 00000000 c05992c0 c136f2a0 c05992c0 c5f6c000 [ 116.692687] dee0: b6e1c000 00020000 00000004 00000014 0001ffec c5f6dee0 00000001 b6e1b000 [ 116.700872] df00: c5aa9cc0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 116.709058] df20: 00000000 00000000 c136f2a0 dc35d2dd c205c500 c5bbdb80 c5bbdb80 c5f6c000 [ 116.717245] df40: b6e1c000 00000000 00000000 00000004 c5f6df94 c5f6df60 c05992c0 c0598c2c [ 116.725431] df60: 00000000 00000000 c5f6dfac dc35d2dd 00000014 00000014 b6f63e00 00000004 [ 116.733618] df80: c03002e4 c5f6c000 c5f6dfa4 c5f6df98 c0599350 c0599258 00000000 c5f6dfa8 [ 116.741803] dfa0: c03000c0 c0599344 00000014 00000014 00000001 b6e1c000 00000014 00000000 [ 116.749989] dfc0: 00000014 00000014 b6f63e00 00000004 00000001 00000000 00020000 beafda54 [ 116.758174] dfe0: 00000004 beafd788 b6ece4cf b6e547e6 800e0030 00000001 00000000 00000000 [ 116.766354] Backtrace: [ 116.768827] [] (lkdtm_WRITE_RO_AFTER_INIT) from [] (lkdtm_do_action+0x2c/0x4c) [ 116.777793] r5:c69d5000 r4:00000029 [ 116.781381] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 116.789399] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 116.797326] r9:c5f6df60 r8:c52ec3c0 r7:00000014 r6:b6e1c000 r5:c5bbdb80 r4:c0c2f960 [ 116.805082] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 116.812920] r9:c07f639c r8:c5f6df60 r7:c2816000 r6:b6e1c000 r5:c5bbdb80 r4:00000000 [ 116.820672] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 116.827815] r10:00000004 r9:00000000 r8:00000000 r7:b6e1c000 r6:c5f6c000 r5:c5bbdb80 [ 116.835649] r4:c5bbdb80 [ 116.838192] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 116.845334] r9:c5f6c000 r8:c03002e4 r7:00000004 r6:b6f63e00 r5:00000014 r4:00000014 [ 116.853087] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 116.860659] Exception stack(0xc5f6dfa8 to 0xc5f6dff0) [ 116.865718] dfa0: 00000014 00000014 00000001 b6e1c000 00000014 00000000 [ 116.873903] dfc0: 00000014 00000014 b6f63e00 00000004 00000001 00000000 00020000 beafda54 [ 116.882085] dfe0: 00000004 beafd788 b6ece4cf b6e547e6 [ 116.887145] Code: e34a3bcd e30d094c e34c01ac e0233002 (e5843000) [ 116.893249] ---[ end trace a80c4e28b0995e05 ]--- # Segmentation fault # [ 116.513648] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT # [ 116.519704] lkdtm: attempting bad ro_after_init write at c1b7ec60 # [ 116.525841] 8<--- cut here --- # [ 116.528911] Unable to handle kernel paging request at virtual address c1b7ec60 # [ 116.536140] pgd = bb2a1566 # [ 116.538853] [c1b7ec60] *pgd=11a1941e(bad) # [ 116.542882] Internal error: Oops: 80d [#13] SMP ARM # [ 116.547767] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan parallel_display etnaviv can_dev imxdrm gpu_sched imx_ipu_v3 # [ 116.576799] CPU: 1 PID: 2538 Comm: cat Tainted: G D W 5.10.158-cip21 #1 # [ 116.584547] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 116.591093] PC is at lkdtm_WRITE_RO_AFTER_INIT+0x64/0x70 # [ 116.596412] LR is at 0x0 # [ 116.598951] pc : [] lr : [<00000000>] psr: 600e0013 # [ 116.605223] sp : c5f6de50 ip : 00000027 fp : c5f6de64 # [ 116.610452] r10: 00000014 r9 : c1accb54 r8 : c15e8784 # [ 116.615681] r7 : c5f6df60 r6 : 00000014 r5 : c69d5000 r4 : c1b7ec60 # [ 116.622213] r3 : fe67479e r2 : 55aa55aa r1 : ef7965e4 r0 : c1acd94c # [ 116.628747] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 116.635887] Control: 10c5387d Table: 16a7c04a DAC: 00000051 # [ 116.641637] Process cat (pid: 2538, stack limit = 0x1356907f) # [ 116.647388] Stack: (0xc5f6de50 to 0xc5f6e000) # [ 116.651755] de40: 00000029 c69d5000 c5f6de74 c5f6de68 # [ 116.659941] de60: c0c2f580 c1359bc0 c5f6de9c c5f6de78 c0c2fa80 c0c2f560 c0c2f960 c5bbdb80 # [ 116.668127] de80: b6e1c000 00000014 c52ec3c0 c5f6df60 c5f6dec4 c5f6dea0 c07f6400 c0c2f96c # [ 116.676312] dea0: 00000000 c5bbdb80 b6e1c000 c2816000 c5f6df60 c07f639c c5f6df5c c5f6dec8 # [ 116.684499] dec0: c0598d2c c07f63a8 00000001 00000000 c05992c0 c136f2a0 c05992c0 c5f6c000 # [ 116.692687] dee0: b6e1c000 00020000 00000004 00000014 0001ffec c5f6dee0 00000001 b6e1b000 # [ 116.700872] df00: c5aa9cc0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 116.709058] df20: 00000000 00000000 c136f2a0 dc35d2dd c205c500 c5bbdb80 c5bbdb80 c5f6c000 # [ 116.717245] df40: b6e1c000 00000000 00000000 00000004 c5f6df94 c5f6df60 c05992c0 c0598c2c # [ 116.725431] df60: 00000000 00000000 c5f6dfac dc35d2dd 00000014 00000014 b6f63e00 00000004 # [ 116.733618] df80: c03002e4 c5f6c000 c5f6dfa4 c5f6df98 c0599350 c0599258 00000000 c5f6dfa8 # [ 116.741803] dfa0: c03000c0 c0599344 00000014 00000014 00000001 b6e1c000 00000014 00000000 # [ 116.749989] dfc0: 00000014 00000014 b6f63e00 00000004 00000001 00000000 00020000 beafda54 # [ 116.758174] dfe0: 00000004 beafd788 b6ece4cf b6e547e6 800e0030 00000001 00000000 00000000 # [ 116.766354] Backtrace: # [ 116.768827] [] (lkdtm_WRITE_RO_AFTER_INIT) from [] (lkdtm_do_action+0x2c/0x4c) # [ 116.777793] r5:c69d5000 r4:00000029 # [ 116.781381] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 116.789399] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 116.797326] r9:c5f6df60 r8:c52ec3c0 r7:00000014 r6:b6e1c000 r5:c5bbdb80 r4:c0c2f960 # [ 116.805082] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 116.812920] r9:c07f639c r8:c5f6df60 r7:c2816000 r6:b6e1c000 r5:c5bbdb80 r4:00000000 # [ 116.820672] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 116.827815] r10:00000004 r9:00000000 r8:00000000 r7:b6e1c000 r6:c5f6c000 r5:c5bbdb80 # [ 116.835649] r4:c5bbdb80 # [ 116.838192] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 116.845334] r9:c5f6c000 r8:c03002e4 r7:00000004 r6:b6f63e00 r5:00000014 r4:00000014 # [ 116.853087] [] (sys_write) from [] (ret_fast_syscal[ 117.384314] lkdtm: Performing direct entry WRITE_KERN l+0x0/0x28) # [ 116.860659] Exc[ 117.392154] lkdtm: attempting bad 7509916 byte write at c1359a8c eption stack(0xc5f6dfa8 to 0xc5f6[ 117.400971] 8<--- cut here --- [ 117.406792] Unable to handle kernel paging request at virtual address c1359a8c dff0) # [ 116.865718] dfa0: [ 117.414035] pgd = bb2a1566 00000014 00000014 [ 117.419598] [c1359a8c] *pgd=1121940e(bad) 00000001 b6e1c000 00000014 000[0 117.426489] Internal error: Oops: 80d [#14] SMP ARM 000 # [ 116.873903] dfc0: 00000[ 117.434056] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan parallel_display etnaviv can_dev imxdrm gpu_sched imx_ipu_v3 014 00000014 b6f63e00 0000000[4 117.465772] CPU: 2 PID: 2612 Comm: cat Tainted: G D W 5.10.158-cip21 #1 00000001 00000000 [0 0 0121070.0476117] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) beafda54 # [ 116.882085] dfe0: 117.484834] PC is at memcpy+0x50/0x330 00000004 beafd788 b6[e c e141c7f491359] LR is at 0xe92dd830 b6e547e6 # [ 116.[8 8 711147.596761] pc : [] lr : [] psr: 200e0013 ] Code: e34a3bcd [e 3 01d1079.45c5203] sp : c6d73e2c ip : e1a0c00d fp : c6d73e64 e34c01ac e023300[2 (1e1578.4532518] r10: 0000000b r9 : c1accb68 r8 : e89da800 000) # [ 116.[8 9 3121479.]5 19831] r7 : e8bd4000 r6 : e52de004 r5 : e24cb004 r4 : e92dd800 --[ end trace a80c4e[2 8 b101979.528450] r3 : e1a0c00d r2 : 007296fc r1 : c0c30310 r0 : c1359a8c e05 ]--- # WRITE_RO_AF[T E 1R1_7.537245] Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none NIT: missing 'call t[r a c1e1:7'.546725] Control: 10c5387d Table: 16a7c04a DAC: 00000051 [FAIL] not ok 40 s[e l f1t1e7s.554733] Process cat (pid: 2612, stack limit = 0x13ac4e19) s: lkdtm: WRITE_RO_A[F T E1R1_7I.562740] Stack: (0xc6d73e2c to 0xc6d74000) IT.sh # exit=1 # selftests: lk[d 117.569370] 3e20: c0c302f0 0072979c c6d73f60 c15e8784 c1359a8c tm: WRITE_KERN.sh [ 117.580248] 3e40: c1359a8c c1359c70 0000002a c5d3a000 0000000b c6d73f60 c6d73e74 c6d73e68 [ 117.590077] 3e60: c0c2f580 c1359c30 c6d73e9c c6d73e78 c0c2fa80 c0c2f560 c0c2f960 c6b03400 [ 117.598288] 3e80: b6e40000 0000000b c52ec3c0 c6d73f60 c6d73ec4 c6d73ea0 c07f6400 c0c2f96c [ 117.606495] 3ea0: 00000000 c6b03400 b6e40000 c2816000 c6d73f60 c07f639c c6d73f5c c6d73ec8 [ 117.614703] 3ec0: c0598d2c c07f63a8 00000001 00000000 c05992c0 c136f2a0 c05992c0 c6d72000 [ 117.622912] 3ee0: b6e40000 00020000 00000004 0000000b 0001fff5 c6d73ee0 00000001 b6e3f000 [ 117.631118] 3f00: c6ae2a00 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 117.639326] 3f20: 00000000 00000000 c136f2a0 7a1a8c54 c205c500 c6b03400 c6b03400 c6d72000 [ 117.647535] 3f40: b6e40000 00000000 00000000 00000004 c6d73f94 c6d73f60 c05992c0 c0598c2c [ 117.655742] 3f60: 00000000 00000000 c6d73fac 7a1a8c54 0000000b 0000000b b6f87e00 00000004 [ 117.663950] 3f80: c03002e4 c6d72000 c6d73fa4 c6d73f98 c0599350 c0599258 00000000 c6d73fa8 [ 117.672158] 3fa0: c03000c0 c0599344 0000000b 0000000b 00000001 b6e40000 0000000b 00000000 [ 117.680364] 3fc0: 0000000b 0000000b b6f87e00 00000004 00000001 00000000 00020000 bee14a54 [ 117.688572] 3fe0: 00000004 bee14788 b6ef24cf b6e787e6 800e0030 00000001 00000000 00000000 [ 117.696766] Backtrace: [ 117.699290] [] (lkdtm_WRITE_KERN) from [] (lkdtm_do_action+0x2c/0x4c) [ 117.707502] r7:c6d73f60 r6:0000000b r5:c5d3a000 r4:0000002a [ 117.713202] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 117.721251] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 117.729201] r9:c6d73f60 r8:c52ec3c0 r7:0000000b r6:b6e40000 r5:c6b03400 r4:c0c2f960 [ 117.736984] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 117.744847] r9:c07f639c r8:c6d73f60 r7:c2816000 r6:b6e40000 r5:c6b03400 r4:00000000 [ 117.752623] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 117.759789] r10:00000004 r9:00000000 r8:00000000 r7:b6e40000 r6:c6d72000 r5:c6b03400 [ 117.767639] r4:c6b03400 [ 117.770204] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 117.777370] r9:c6d72000 r8:c03002e4 r7:00000004 r6:b6f87e00 r5:0000000b r4:0000000b [ 117.785150] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 117.792739] Exception stack(0xc6d73fa8 to 0xc6d73ff0) [ 117.797820] 3fa0: 0000000b 0000000b 00000001 b6e40000 0000000b 00000000 [ 117.806028] 3fc0: 0000000b 0000000b b6f87e00 00000004 00000001 00000000 00020000 bee14a54 [ 117.814230] 3fe0: 00000004 bee14788 b6ef24cf b6e787e6 [ 117.819313] Code: f5d1f05c f5d1f07c e8b151f8 e2522020 (e8a051f8) [ 117.825441] ---[ end trace a80c4e28b0995e06 ]--- # Segmentation fault # [ 117.384314] lkdtm: Performing direct entry WRITE_KERN # [ 117.392154] lkdtm: attempting bad 7509916 byte write at c1359a8c # [ 117.400971] 8<--- cut here --- # [ 117.406792] Unable to handle kernel paging request at virtual address c1359a8c # [ 117.414035] pgd = bb2a1566 # [ 117.419598] [c1359a8c] *pgd=1121940e(bad) # [ 117.426489] Internal error: Oops: 80d [#14] SMP ARM # [ 117.434056] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan parallel_display etnaviv can_dev imxdrm gpu_sched imx_ipu_v3 # [ 117.465772] CPU: 2 PID: 2612 Comm: cat Tainted: G D W 5.10.158-cip21 #1 # [ 117.476117] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 117.484834] PC is at memcpy+0x50/0x330 # [ 117.491359] LR is at 0xe92dd830 # [ 117.496761] pc : [] lr : [] psr: 200e0013 # [ 117.505203] sp : c6d73e2c ip : e1a0c00d fp : c6d73e64 # [ 117.512518] r10: 0000000b r9 : c1accb68 r8 : e89da800 # [ 117.519831] r7 : e8bd4000 r6 : e52de004 r5 : e24cb004 r4 : e92dd800 # [ 117.528450] r3 : e1a0c00d r2 : 007296fc r1 : c0c30310 r0 : c1359a8c # [ 117.537245] Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 117.546725] Control: 10c5387d Table: 16a7c04a DAC: 00000051 # [ 117.554733] Process cat (pid: 2612, stack limit = 0x13ac4e19) # [ 117.562740] Stack: (0xc6d73e2c to 0xc6d74000) # [ 117.569370] 3e20: c0c302f0 0072979c c6d73f60 c15e8784 c1359a8c # [ 117.580248] 3e40: c1359a8c c1359c70 0000002a c5d3a000 0000000b c6d73f60 c6d73e74 c6d73e68 # [ 117.590077] 3e60: c0c2f580 c1359c30 c6d73e9c c6d73e78 c0c2fa80 c0c2f560 c0c2f960 c6b03400 # [ 117.598288] 3e80: b6e40000 0000000b c52ec3c0 c6d73f60 c6d73ec4 c6d73ea0 c07f6400 c0c2f96c # [ 117.606495] 3ea0: 00000000 c6b03400 b6e40000 c2816000 c6d73f60 c07f639c c6d73f5c c6d73ec8 # [ 117.614703] 3ec0: c0598d2c c07f63a8 00000001 00000000 c05992c0 c136f2a0 c05992c0 c6d72000 # [ 117.622912] 3ee0: b6e40000 00020000 00000004 0000000b 0001fff5 c6d73ee0 00000001 b6e3f000 # [ 117.631118] 3f00: c6ae2a00 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 117.639326] 3f20: 00000000 00000000 c136f2a0 7a1a8c54 c205c500 c6b03400 c6b03400 c6d72000 # [ 117.647535] 3f40: b6e40000 00000000 00000000 00000004 c6d73f94 c6d73f60 c05992c0 c0598c2c # [ 117.655742] 3f60: 00000000 00000000 c6d73fac 7a1a8c54 0000000b 0000000b b6f87e00 00000004 # [ 117.663950] 3f80: c03002e4 c6d72000 c6d73fa4 c6d73f98 c0599350 c0599258 00000000 c6d73fa8 # [ 117.672158] 3fa0: c03000c0 c0599344 0000000b 0000000b 00000001 b6e40000 0000000b 00000000 # [ 117.680364] 3fc0: 0000000b 0000000b b6f87e00 00000004 00000001 00000000 00020000 bee14a54 # [ 117.688572] 3fe0: 00000004 bee14788 b6ef24cf b6e787e6 800e0030 00000001 00000000 00000000 # [ 117.696766] Backtrace: # [ 117.699290] [] (lkdtm_WRITE_KERN) from [] (lkdtm_do_action+0x2c/0x4c) # [ 117.707502] r7:c6d73f60 r6:0000000b r5:c5d3a000 r4:0000002a # [ 117.713202] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 117.721251] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 117.729201] r9:c6d73f60 r8:c52ec3c0 r7:0000000b r6:b6e40000 r5:c6b03400 r4:c0c2f960 # [ 117.736984] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 117.744847] r9:c07f639c r8:c6d73f60 r7:c2816000 r6:b6e40000 r5:c6b03400 r4:00000000 # [ 117.752623] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 117.759789] r10:00000004 r9:00000000 r8:00000000 r7:b6e40000 r6:c6d72000 r5:c6b03400 # [ 117.767639] r4:c6b03400 # [ 117.770204] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 117.777370] r9:c6d72000 r8:c03002e4 r7:00000004 r6:b6f87e00 r5:0000000b r4:0000000b # [ 117.785150] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 117.792739] Exception stack(0xc6d73fa8 to 0xc6d73ff0) # [ 117.797820] 3fa0: 0000000b 0000000b 00000001 b6e40000 0000000b 00000000 # [ 117.806028] 3fc0: 0000000b 0000000b b6f87e00 00000004 00000001 00000000 00020000 bee14a54 # [ 117.814230] 3fe0: 00000004 bee14788 b6ef24cf b6e787e6 # [ 117.819313] Code: f5d1f05c f5d1f07c e8b151f8 e2522020 (e8a051f8) # [ 117.825441] ---[ end trace a80c4e28b0995e06 ]--- # WRITE_KERN: mi[ 118.356340] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW ssing 'call trace:': [FAIL] not [ 118.364730] lkdtm: attempting good refcount_inc() without overflow ok 41 selftests: lkdtm: WRITE_KER[ 118.373772] lkdtm: attempting bad refcount_inc() overflow N.sh # exit=1 # selftests: lkdtm[ 118.382060] ------------[ cut here ]------------ : REFCOUNT_INC_OVERFLOW.sh [ 118.389567] WARNING: CPU: 0 PID: 2687 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 [ 118.400493] refcount_t: saturated; leaking memory. [ 118.405295] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan parallel_display etnaviv can_dev imxdrm gpu_sched imx_ipu_v3 [ 118.434452] CPU: 0 PID: 2687 Comm: cat Tainted: G D W 5.10.158-cip21 #1 [ 118.442203] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 118.448736] Backtrace: [ 118.451208] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 118.458787] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f5f4 [ 118.464457] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 118.471781] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 118.478752] r9:00000009 r8:c086e934 r7:00000016 r6:00000009 r5:c086e934 r4:c1a20bf8 [ 118.486507] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 118.493997] r7:00000016 r6:c1a20bf8 r5:c1a20bd0 r4:c6e30000 [ 118.499671] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) [ 118.508638] r9:c1accb74 r8:c15e8784 r7:c6e31f60 r6:00000016 r5:c5d1c000 r4:c6e30000 [ 118.516394] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) [ 118.526063] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_OVERFLOW+0x78/0x9c) [ 118.536166] [] (lkdtm_REFCOUNT_INC_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) [ 118.545302] r4:0000002b [ 118.547845] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 118.555862] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 118.563787] r9:c6e31f60 r8:c52ec3c0 r7:00000016 r6:b6e52000 r5:c6afe280 r4:c0c2f960 [ 118.571544] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 118.579383] r9:c07f639c r8:c6e31f60 r7:c2816000 r6:b6e52000 r5:c6afe280 r4:00000000 [ 118.587135] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 118.594278] r10:00000004 r9:00000000 r8:00000000 r7:b6e52000 r6:c6e30000 r5:c6afe280 [ 118.602112] r4:c6afe280 [ 118.604655] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 118.611798] r9:c6e30000 r8:c03002e4 r7:00000004 r6:b6f99e00 r5:00000016 r4:00000016 [ 118.619552] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 118.627127] Exception stack(0xc6e31fa8 to 0xc6e31ff0) [ 118.632188] 1fa0: 00000016 00000016 00000001 b6e52000 00000016 00000000 [ 118.640375] 1fc0: 00000016 00000016 b6f99e00 00000004 00000001 00000000 00020000 bee6ea54 [ 118.648558] 1fe0: 00000004 bee6e788 b6f044cf b6e8a7e6 [ 118.653667] irq event stamp: 0 [ 118.656740] hardirqs last enabled at (0): [<00000000>] 0x0 [ 118.662356] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 118.669888] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 118.677481] softirqs last disabled at (0): [<00000000>] 0x0 [ 118.683778] ---[ end trace a80c4e28b0995e07 ]--- [ 118.688453] lkdtm: Overflow detected: saturated # [ 118.356340] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW # [ 118.364730] lkdtm: attempting good refcount_inc() without overflow # [ 118.373772] lkdtm: attempting bad refcount_inc() overflow # [ 118.382060] ------------[ cut here ]------------ # [ 118.389567] WARNING: CPU: 0 PID: 2687 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 118.400493] refcount_t: saturated; leaking memory. # [ 118.405295] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan parallel_display etnaviv can_dev imxdrm gpu_sched imx_ipu_v3 # [ 118.434452] CPU: 0 PID: 2687 Comm: cat Tainted: G D W 5.10.158-cip21 #1 # [ 118.442203] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 118.448736] Backtrace: # [ 118.451208] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 118.458787] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f5f4 # [ 118.464457] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 118.471781] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 118.478752] r9:00000009 r8:c086e934 r7:00000016 r6:00000009 r5:c086e934 r4:c1a20bf8 # [ 118.486507] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 118.493997] r7:00000016 r6:c1a20bf8 r5:c1a20bd0 r4:c6e30000 # [ 118.499671] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 118.508638] r9:c1accb74 r8:c15e8784 r7:c6e31f60 r6:00000016 r5:c5d1c000 r4:c6e30000 # [ 118.516394] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 118.526063] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_OVERFLOW+0x78/0x9c) # [ 118.536166] [] (lkdtm_REFCOUNT_INC_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 118.545302] r4:0000002b # [ 118.547845] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 118.555862] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 118.563787] r9:c6e31f60 r8:c52ec3c0 r7:00000016 r6:b6e52000 r5:c6afe280 r4:c0c2f960 # [ 118.571544] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 118.579383] r9:c07f639c r8:c6e31f60 r7:c2816000 r6:b6e52000 r5:c6afe280 r4:00000000 # [ 118.587135] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 118.594278] r10:00000004 r9:00000000 r8:00000000 r7:b6e52000 r6:c6e30000 r5:c6afe280 # [ 118.602112] r4:c6afe280 # [ 118.604655] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 118.611798] r9:c6e30000 r8:c03002e4 r7:00000004 r6:b6f99e00 r5:00000016 r4:00000016 # [ 118.619552] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 118.627127] Exception stack(0xc6e31fa8 to 0xc6e31ff0) # [ 118.632188] 1fa0: 00000016 00000016 00000001 b6e52000 00000016 00000000 # [ 118.640375] 1fc0: 00000016 00000016 b6f99e00 00000004 00000001 00000000 00020000 bee6ea54 # [ 118.648558] 1fe0: 00000004 bee6e788 b6f044cf b6e8a7e6 # [ 118.653667] irq event stamp: 0 # [ 118.656740] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 118.662356] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 118.669888] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 118.677481] softirqs last disabled at (0): [<00000000>] 0x0 # [ 118.683778] ---[ end trace a80c4e28b0995e07 ]--- # [ 118.688453] 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 [ 119.150889] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW [ 119.157182] lkdtm: attempting good refcount_add() without overflow [ 119.163399] lkdtm: attempting bad refcount_add() overflow [ 119.168869] ------------[ cut here ]------------ [ 119.173517] WARNING: CPU: 1 PID: 2721 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 [ 119.181994] refcount_t: saturated; leaking memory. [ 119.186834] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan parallel_display etnaviv can_dev imxdrm gpu_sched imx_ipu_v3 [ 119.215973] CPU: 1 PID: 2721 Comm: cat Tainted: G D W 5.10.158-cip21 #1 [ 119.223723] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 119.230256] Backtrace: [ 119.232727] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 119.240306] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f5f4 [ 119.245978] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 119.253301] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 119.260271] r9:00000009 r8:c086e934 r7:00000016 r6:00000009 r5:c086e934 r4:c1a20bf8 [ 119.268024] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 119.275513] r7:00000016 r6:c1a20bf8 r5:c1a20bd0 r4:c5e86000 [ 119.281185] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) [ 119.290150] r9:c1accb8c r8:c15e8784 r7:c5e87f60 r6:00000016 r5:c69d5000 r4:c5e86000 [ 119.297905] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) [ 119.307573] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_OVERFLOW+0x84/0xa8) [ 119.317675] [] (lkdtm_REFCOUNT_ADD_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) [ 119.326810] r4:0000002c [ 119.329354] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 119.337370] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 119.345294] r9:c5e87f60 r8:c52ec3c0 r7:00000016 r6:b6e1e000 r5:c59e8f00 r4:c0c2f960 [ 119.353051] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 119.360888] r9:c07f639c r8:c5e87f60 r7:c2816000 r6:b6e1e000 r5:c59e8f00 r4:00000000 [ 119.368639] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 119.375782] r10:00000004 r9:00000000 r8:00000000 r7:b6e1e000 r6:c5e86000 r5:c59e8f00 [ 119.383617] r4:c59e8f00 [ 119.386160] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 119.393301] r9:c5e86000 r8:c03002e4 r7:00000004 r6:b6f65e00 r5:00000016 r4:00000016 [ 119.401056] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 119.408630] Exception stack(0xc5e87fa8 to 0xc5e87ff0) [ 119.413692] 7fa0: 00000016 00000016 00000001 b6e1e000 00000016 00000000 [ 119.421877] 7fc0: 00000016 00000016 b6f65e00 00000004 00000001 00000000 00020000 becffa54 [ 119.430060] 7fe0: 00000004 becff788 b6ed04cf b6e567e6 [ 119.435180] irq event stamp: 0 [ 119.438279] hardirqs last enabled at (0): [<00000000>] 0x0 [ 119.443868] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 119.451404] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 119.458952] softirqs last disabled at (0): [<00000000>] 0x0 [ 119.464548] ---[ end trace a80c4e28b0995e08 ]--- [ 119.469220] lkdtm: Overflow detected: saturated # [ 119.150889] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW # [ 119.157182] lkdtm: attempting good refcount_add() without overflow # [ 119.163399] lkdtm: attempting bad refcount_add() overflow # [ 119.168869] ------------[ cut here ]------------ # [ 119.173517] WARNING: CPU: 1 PID: 2721 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 119.181994] refcount_t: saturated; leaking memory. # [ 119.186834] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan parallel_display etnaviv can_dev imxdrm gpu_sched imx_ipu_v3 # [ 119.215973] CPU: 1 PID: 2721 Comm: cat Tainted: G D W 5.10.158-cip21 #1 # [ 119.223723] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 119.230256] Backtrace: # [ 119.232727] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 119.240306] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f5f4 # [ 119.245978] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 119.253301] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 119.260271] r9:00000009 r8:c086e934 r7:00000016 r6:00000009 r5:c086e934 r4:c1a20bf8 # [ 119.268024] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 119.275513] r7:00000016 r6:c1a20bf8 r5:c1a20bd0 r4:c5e86000 # [ 119.281185] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 119.290150] r9:c1accb8c r8:c15e8784 r7:c5e87f60 r6:00000016 r5:c69d5000 r4:c5e86000 # [ 119.297905] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 119.307573] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_OVERFLOW+0x84/0xa8) # [ 119.317675] [] (lkdtm_REFCOUNT_ADD_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 119.326810] r4:0000002c # [ 119.329354] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 119.337370] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 119.345294] r9:c5e87f60 r8:c52ec3c0 r7:00000016 r6:b6e1e000 r5:c59e8f00 r4:c0c2f960 # [ 119.353051] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 119.360888] r9:c07f639c r8:c5e87f60 r7:c2816000 r6:b6e1e000 r5:c59e8f00 r4:00000000 # [ 119.368639] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 119.375782] r10:00000004 r9:00000000 r8:00000000 r7:b6e1e000 r6:c5e86000 r5:c59e8f00 # [ 119.383617] r4:c59e8f00 # [ 119.386160] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 119.393301] r9:c5e86000 r8:c03002e4 r7:00000004 r6:b6f65e00 r5:00000016 r4:00000016 # [ 119.401056] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 119.408630] Exception stack(0xc5e87fa8 to 0xc5e87ff0) # [ 119.413692] 7fa0: 00000016 00000016 00000001 b6e1e000 00000016 00000000 # [ 119.421877] 7fc0: 00000016 00000016 b6f65e00 00000004 00000001 00000000 00020000 becffa54 # [ 119.430060] 7fe0: 00000004 becff788 b6ed04cf b6e567e6 # [ 119.435180] irq event stamp: 0 # [ 119.438279] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 119.443868] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 119.451404] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 119.458952] softirqs last disabled at (0): [<00000000>] 0x0 # [ 119.464548] ---[ end trace a80c4e28b0995e08 ]--- # [ 119.469220] lkdtm: Overflow detected: saturated # REFCOUNT_ADD_OVERFLOW: missing 'call trace:': [FAIL] not ok 43 selftests: lkdtm: REFCOUNT[ 119.910335] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW _ADD_OVERFLOW.sh # exit=1 # self[ 119.918035] lkdtm: attempting bad refcount_inc_not_zero() overflow tests: lkdtm: REFCOUNT_INC_NOT_ZE[ 119.927105] ------------[ cut here ]------------ RO_OVERFLOW.sh [ 119.934591] WARNING: CPU: 0 PID: 2755 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 [ 119.944565] refcount_t: saturated; leaking memory. [ 119.949424] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan parallel_display etnaviv can_dev imxdrm gpu_sched imx_ipu_v3 [ 119.978548] CPU: 0 PID: 2755 Comm: cat Tainted: G D W 5.10.158-cip21 #1 [ 119.986298] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 119.992830] Backtrace: [ 119.995303] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 120.002883] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f5f4 [ 120.008553] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 120.015878] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 120.022848] r9:00000009 r8:c086e900 r7:00000013 r6:00000009 r5:c086e900 r4:c1a20bf8 [ 120.030601] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 120.038090] r7:00000013 r6:c1a20bf8 r5:c1a20bd0 r4:c692c000 [ 120.043764] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) [ 120.052732] r9:c1accba4 r8:c15e8784 r7:c692df60 r6:0000001f r5:c5afa000 r4:7fffffff [ 120.060492] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) [ 120.070941] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x50/0x88) [ 120.082596] r5:c5afa000 r4:c692c000 [ 120.086190] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) [ 120.096107] r4:0000002d [ 120.098651] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 120.106668] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 120.114592] r9:c692df60 r8:c52ec3c0 r7:0000001f r6:b6e2e000 r5:c6e8fb80 r4:c0c2f960 [ 120.122349] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 120.130189] r9:c07f639c r8:c692df60 r7:c2816000 r6:b6e2e000 r5:c6e8fb80 r4:00000000 [ 120.137941] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 120.145085] r10:00000004 r9:00000000 r8:00000000 r7:b6e2e000 r6:c692c000 r5:c6e8fb80 [ 120.152918] r4:c6e8fb80 [ 120.155462] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 120.162605] r9:c692c000 r8:c03002e4 r7:00000004 r6:b6f75e00 r5:0000001f r4:0000001f [ 120.170358] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 120.177932] Exception stack(0xc692dfa8 to 0xc692dff0) [ 120.182992] dfa0: 0000001f 0000001f 00000001 b6e2e000 0000001f 00000000 [ 120.191181] dfc0: 0000001f 0000001f b6f75e00 00000004 00000001 00000000 00020000 be822a54 [ 120.199364] dfe0: 00000004 be822788 b6ee04cf b6e667e6 [ 120.204446] irq event stamp: 0 [ 120.207537] hardirqs last enabled at (0): [<00000000>] 0x0 [ 120.213126] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 120.220641] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 120.228158] softirqs last disabled at (0): [<00000000>] 0x0 [ 120.233741] ---[ end trace a80c4e28b0995e09 ]--- [ 120.238389] lkdtm: Overflow detected: saturated # [ 119.910335] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 119.918035] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 119.927105] ------------[ cut here ]------------ # [ 119.934591] WARNING: CPU: 0 PID: 2755 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 119.944565] refcount_t: saturated; leaking memory. # [ 119.949424] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan parallel_display etnaviv can_dev imxdrm gpu_sched imx_ipu_v3 # [ 119.978548] CPU: 0 PID: 2755 Comm: cat Tainted: G D W 5.10.158-cip21 #1 # [ 119.986298] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 119.992830] Backtrace: # [ 119.995303] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 120.002883] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f5f4 # [ 120.008553] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 120.015878] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 120.022848] r9:00000009 r8:c086e900 r7:00000013 r6:00000009 r5:c086e900 r4:c1a20bf8 # [ 120.030601] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 120.038090] r7:00000013 r6:c1a20bf8 r5:c1a20bd0 r4:c692c000 # [ 120.043764] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 120.052732] r9:c1accba4 r8:c15e8784 r7:c692df60 r6:0000001f r5:c5afa000 r4:7fffffff # [ 120.060492] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 120.070941] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x50/0x88) # [ 120.082596] r5:c5afa000 r4:c692c000 # [ 120.086190] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 120.096107] r4:0000002d # [ 120.098651] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 120.106668] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 120.114592] r9:c692df60 r8:c52ec3c0 r7:0000001f r6:b6e2e000 r5:c6e8fb80 r4:c0c2f960 # [ 120.122349] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 120.130189] r9:c07f639c r8:c692df60 r7:c2816000 r6:b6e2e000 r5:c6e8fb80 r4:00000000 # [ 120.137941] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 120.145085] r10:00000004 r9:00000000 r8:00000000 r7:b6e2e000 r6:c692c000 r5:c6e8fb80 # [ 120.152918] r4:c6e8fb80 # [ 120.155462] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 120.162605] r9:c692c000 r8:c03002e4 r7:00000004 r6:b6f75e00 r5:0000001f r4:0000001f # [ 120.170358] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 120.177932] Exception stack(0xc692dfa8 to 0xc692dff0) # [ 120.182992] dfa0: 0000001f 0000001f 00000001 b6e2e000 0000001f 00000000 # [ 120.191181] dfc0: 0000001f 0000001f b6f75e00 00000004 00000001 00000000 00020000 be822a54 # [ 120.199364] dfe0: 00000004 be822788 b6ee04cf b6e667e6 # [ 120.204446] irq event stamp: 0 # [ 120.207537] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 120.213126] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 120.220641] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 120.228158] softirqs last disabled at (0): [<00000000>] 0x0 # [ 120.233741] ---[ end trace a80c4e28b0995e09 ]--- # [ 120.238389] lkdtm: Overflow detected: saturated # REFCOUNT_INC_NOT_ZERO_OVERFLOW: missing 'call trace:': [FAIL] not ok 44 selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh # exit=1 # selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_OVERFLOW[ 120.680031] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW .sh [ 120.687145] lkdtm: attempting bad refcount_add_not_zero() overflow [ 120.693679] ------------[ cut here ]------------ [ 120.698382] WARNING: CPU: 3 PID: 2789 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 [ 120.706920] refcount_t: saturated; leaking memory. [ 120.711789] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan parallel_display etnaviv can_dev imxdrm gpu_sched imx_ipu_v3 [ 120.741359] CPU: 3 PID: 2789 Comm: cat Tainted: G D W 5.10.158-cip21 #1 [ 120.749112] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 120.755646] Backtrace: [ 120.758122] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 120.765701] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f5f4 [ 120.771374] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 120.778698] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 120.785670] r9:00000009 r8:c086e900 r7:00000013 r6:00000009 r5:c086e900 r4:c1a20bf8 [ 120.793425] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 120.800917] r7:00000013 r6:c1a20bf8 r5:c1a20bd0 r4:c47e8000 [ 120.806591] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) [ 120.815558] r9:c1accbc4 r8:c15e8784 r7:c47e9f60 r6:0000001f r5:c5cde000 r4:7fffffff [ 120.823317] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) [ 120.833765] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x50/0x88) [ 120.845419] r5:c5cde000 r4:c47e8000 [ 120.849012] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) [ 120.858930] r4:0000002e [ 120.861476] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 120.869493] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 120.877419] r9:c47e9f60 r8:c52ec3c0 r7:0000001f r6:b6e35000 r5:c6afe8c0 r4:c0c2f960 [ 120.885176] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 120.893014] r9:c07f639c r8:c47e9f60 r7:c2816000 r6:b6e35000 r5:c6afe8c0 r4:00000000 [ 120.900767] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 120.907910] r10:00000004 r9:00000000 r8:00000000 r7:b6e35000 r6:c47e8000 r5:c6afe8c0 [ 120.915742] r4:c6afe8c0 [ 120.918285] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 120.925429] r9:c47e8000 r8:c03002e4 r7:00000004 r6:b6f7ce00 r5:0000001f r4:0000001f [ 120.933184] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 120.940757] Exception stack(0xc47e9fa8 to 0xc47e9ff0) [ 120.945820] 9fa0: 0000001f 0000001f 00000001 b6e35000 0000001f 00000000 [ 120.954007] 9fc0: 0000001f 0000001f b6f7ce00 00000004 00000001 00000000 00020000 becfda54 [ 120.962193] 9fe0: 00000004 becfd788 b6ee74cf b6e6d7e6 [ 120.967337] irq event stamp: 0 [ 120.970412] hardirqs last enabled at (0): [<00000000>] 0x0 [ 120.976000] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 120.983542] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 120.991070] softirqs last disabled at (0): [<00000000>] 0x0 [ 120.996654] ---[ end trace a80c4e28b0995e0a ]--- [ 121.001311] lkdtm: Overflow detected: saturated # [ 120.680031] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 120.687145] lkdtm: attempting bad refcount_add_not_zero() overflow # [ 120.693679] ------------[ cut here ]------------ # [ 120.698382] WARNING: CPU: 3 PID: 2789 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 120.706920] refcount_t: saturated; leaking memory. # [ 120.711789] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan parallel_display etnaviv can_dev imxdrm gpu_sched imx_ipu_v3 # [ 120.741359] CPU: 3 PID: 2789 Comm: cat Tainted: G D W 5.10.158-cip21 #1 # [ 120.749112] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 120.755646] Backtrace: # [ 120.758122] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 120.765701] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f5f4 # [ 120.771374] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 120.778698] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 120.785670] r9:00000009 r8:c086e900 r7:00000013 r6:00000009 r5:c086e900 r4:c1a20bf8 # [ 120.793425] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 120.800917] r7:00000013 r6:c1a20bf8 r5:c1a20bd0 r4:c47e8000 # [ 120.806591] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 120.815558] r9:c1accbc4 r8:c15e8784 r7:c47e9f60 r6:0000001f r5:c5cde000 r4:7fffffff # [ 120.823317] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 120.833765] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x50/0x88) # [ 120.845419] r5:c5cde000 r4:c47e8000 # [ 120.849012] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 120.858930] r4:0000002e # [ 120.861476] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 120.869493] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 120.877419] r9:c47e9f60 r8:c52ec3c0 r7:0000001f r6:b6e35000 r5:c6afe8c0 r4:c0c2f960 # [ 120.885176] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 120.893014] r9:c07f639c r8:c47e9f60 r7:c2816000 r6:b6e35000 r5:c6afe8c0 r4:00000000 # [ 120.900767] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 120.907910] r10:00000004 r9:00000000 r8:00000000 r7:b6e35000 r6:c47e8000 r5:c6afe8c0 # [ 120.915742] r4:c6afe8c0 # [ 120.918285] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 120.925429] r9:c47e8000 r8:c03002e4 r7:00000004 r6:b6f7ce00 r5:0000001f r4:0000001f # [ 120.933184] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 120.940757] Exception stack(0xc47e9fa8 to 0xc47e9ff0) # [ 120.945820] 9fa0: 0000001f 0000001f 00000001 b6e35000 0000001f 00000000 # [ 120.954007] 9fc0: 0000001f 0000001f b6f7ce00 00000004 00000001 00000000 00020000 becfda54 # [ 120.962193] 9fe0: 00000004 becfd788 b6ee74cf b6e6d7e6 # [ 120.967337] irq event stamp: 0 # [ 120.970412] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 120.976000] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 120.983542] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 120.991070] softirqs last disabled at (0): [<00000000>] 0x0 # [ 120.996654] ---[ end trace a80c4e28b0995e0a ]--- # [ 121.001311] lkdtm: Overflow detected: saturated # REFCOUNT_ADD_NOT_ZERO_OVERFLOW: missing 'call trace:': [FAIL] not[ 121.457511] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO ok 45 selftests: [l k d1t2m1:. 465133] lkdtm: attempting good refcount_dec() EFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh [ 121.472094] lkdtm: attempting bad refcount_dec() to zero # exit=1 # selftests: lkdtm: REF[ 121.480234] ------------[ cut here ]------------ COUNT_DEC_ZERO.sh [ 121.487810] WARNING: CPU: 3 PID: 2823 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 [ 121.497805] refcount_t: decrement hit 0; leaking memory. [ 121.503127] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan parallel_display etnaviv can_dev imxdrm gpu_sched imx_ipu_v3 [ 121.532281] CPU: 3 PID: 2823 Comm: cat Tainted: G D W 5.10.158-cip21 #1 [ 121.540030] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 121.546563] Backtrace: [ 121.549038] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 121.556618] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f5f4 [ 121.562287] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 121.569608] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 121.576577] r9:00000009 r8:c086e8cc r7:0000001f r6:00000009 r5:c086e8cc r4:c1a20bf8 [ 121.584334] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 121.591824] r7:0000001f r6:c1a20bf8 r5:c1a20c5c r4:c47e8000 [ 121.597496] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) [ 121.606463] r9:c1accbe4 r8:c15e8784 r7:c47e9f60 r6:00000012 r5:c6e95000 r4:c47e8000 [ 121.614223] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) [ 121.623889] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_ZERO+0x5c/0xd8) [ 121.633647] [] (lkdtm_REFCOUNT_DEC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) [ 121.642437] r4:0000002f [ 121.644981] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 121.652997] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 121.660921] r9:c47e9f60 r8:c52ec3c0 r7:00000012 r6:b6e65000 r5:c5bbc140 r4:c0c2f960 [ 121.668679] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 121.676517] r9:c07f639c r8:c47e9f60 r7:c2816000 r6:b6e65000 r5:c5bbc140 r4:00000000 [ 121.684270] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 121.691413] r10:00000004 r9:00000000 r8:00000000 r7:b6e65000 r6:c47e8000 r5:c5bbc140 [ 121.699245] r4:c5bbc140 [ 121.701787] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 121.708930] r9:c47e8000 r8:c03002e4 r7:00000004 r6:b6face00 r5:00000012 r4:00000012 [ 121.716684] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 121.724259] Exception stack(0xc47e9fa8 to 0xc47e9ff0) [ 121.729322] 9fa0: 00000012 00000012 00000001 b6e65000 00000012 00000000 [ 121.737508] 9fc0: 00000012 00000012 b6face00 00000004 00000001 00000000 00020000 beddba54 [ 121.745690] 9fe0: 00000004 beddb788 b6f174cf b6e9d7e6 [ 121.750803] irq event stamp: 0 [ 121.753874] hardirqs last enabled at (0): [<00000000>] 0x0 [ 121.759497] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 121.767026] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 121.774525] softirqs last disabled at (0): [<00000000>] 0x0 [ 121.780133] ---[ end trace a80c4e28b0995e0b ]--- [ 121.784763] lkdtm: Zero detected: saturated # [ 121.457511] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO # [ 121.465133] lkdtm: attempting good refcount_dec() # [ 121.472094] lkdtm: attempting bad refcount_dec() to zero # [ 121.480234] ------------[ cut here ]------------ # [ 121.487810] WARNING: CPU: 3 PID: 2823 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 # [ 121.497805] refcount_t: decrement hit 0; leaking memory. # [ 121.503127] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan parallel_display etnaviv can_dev imxdrm gpu_sched imx_ipu_v3 # [ 121.532281] CPU: 3 PID: 2823 Comm: cat Tainted: G D W 5.10.158-cip21 #1 # [ 121.540030] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 121.546563] Backtrace: # [ 121.549038] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 121.556618] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f5f4 # [ 121.562287] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 121.569608] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 121.576577] r9:00000009 r8:c086e8cc r7:0000001f r6:00000009 r5:c086e8cc r4:c1a20bf8 # [ 121.584334] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 121.591824] r7:0000001f r6:c1a20bf8 r5:c1a20c5c r4:c47e8000 # [ 121.597496] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) # [ 121.606463] r9:c1accbe4 r8:c15e8784 r7:c47e9f60 r6:00000012 r5:c6e95000 r4:c47e8000 # [ 121.614223] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) # [ 121.623889] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_ZERO+0x5c/0xd8) # [ 121.633647] [] (lkdtm_REFCOUNT_DEC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 121.642437] r4:0000002f # [ 121.644981] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 121.652997] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 121.660921] r9:c47e9f60 r8:c52ec3c0 r7:00000012 r6:b6e65000 r5:c5bbc140 r4:c0c2f960 # [ 121.668679] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 121.676517] r9:c07f639c r8:c47e9f60 r7:c2816000 r6:b6e65000 r5:c5bbc140 r4:00000000 # [ 121.684270] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 121.691413] r10:00000004 r9:00000000 r8:00000000 r7:b6e65000 r6:c47e8000 r5:c5bbc140 # [ 121.699245] r4:c5bbc140 # [ 121.701787] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 121.708930] r9:c47e8000 r8:c03002e4 r7:00000004 r6:b6face00 r5:00000012 r4:00000012 # [ 121.716684] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 121.724259] Exception stack(0xc47e9fa8 to 0xc47e9ff0) # [ 121.729322] 9fa0: 00000012 00000012 00000001 b6e65000 00000012 00000000 # [ 121.737508] 9fc0: 00000012 00000012 b6face00 00000004 00000001 00000000 00020000 beddba54 # [ 121.745690] 9fe0: 00000004 beddb788 b6f174cf b6e9d7e6 # [ 121.750803] irq event stamp: 0 # [ 121.753874] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 121.759497] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 121.767026] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 121.774525] softirqs last disabled at (0): [<00000000>] 0x0 # [ 121.780133] ---[ end trace a80c4e28b0995e0b ]--- # [ 121.784763] 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 [ 122.237881] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE [ 122.243979] lkdtm: attempting bad refcount_dec() below zero [ 122.249712] ------------[ cut here ]------------ [ 122.254394] WARNING: CPU: 1 PID: 2860 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 [ 122.262906] refcount_t: decrement hit 0; leaking memory. [ 122.268266] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan parallel_display etnaviv can_dev imxdrm gpu_sched imx_ipu_v3 [ 122.297439] CPU: 1 PID: 2860 Comm: cat Tainted: G D W 5.10.158-cip21 #1 [ 122.305188] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 122.311722] Backtrace: [ 122.314195] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 122.321774] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f5f4 [ 122.327445] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 122.334765] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 122.341736] r9:00000009 r8:c086e8cc r7:0000001f r6:00000009 r5:c086e8cc r4:c1a20bf8 [ 122.349492] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 122.356981] r7:0000001f r6:c1a20bf8 r5:c1a20c5c r4:c6910000 [ 122.362655] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) [ 122.371623] r9:c1accbf8 r8:c15e8784 r7:c6911f60 r6:00000016 r5:00000000 r4:c6910000 [ 122.379384] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) [ 122.389051] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_NEGATIVE+0x48/0x70) [ 122.399155] [] (lkdtm_REFCOUNT_DEC_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) [ 122.408292] r5:c5ead000 r4:00000030 [ 122.411878] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 122.419895] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 122.427819] r9:c6911f60 r8:c52ec3c0 r7:00000016 r6:b6e04000 r5:c6aff040 r4:c0c2f960 [ 122.435576] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 122.443414] r9:c07f639c r8:c6911f60 r7:c2816000 r6:b6e04000 r5:c6aff040 r4:00000000 [ 122.451166] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 122.458310] r10:00000004 r9:00000000 r8:00000000 r7:b6e04000 r6:c6910000 r5:c6aff040 [ 122.466144] r4:c6aff040 [ 122.468687] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 122.475831] r9:c6910000 r8:c03002e4 r7:00000004 r6:b6f4be00 r5:00000016 r4:00000016 [ 122.483587] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 122.491161] Exception stack(0xc6911fa8 to 0xc6911ff0) [ 122.496221] 1fa0: 00000016 00000016 00000001 b6e04000 00000016 00000000 [ 122.504407] 1fc0: 00000016 00000016 b6f4be00 00000004 00000001 00000000 00020000 bea3da54 [ 122.512590] 1fe0: 00000004 bea3d788 b6eb64cf b6e3c7e6 [ 122.517719] irq event stamp: 0 [ 122.520793] hardirqs last enabled at (0): [<00000000>] 0x0 [ 122.526381] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 122.533937] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 122.541480] softirqs last disabled at (0): [<00000000>] 0x0 [ 122.547106] ---[ end trace a80c4e28b0995e0c ]--- [ 122.551744] lkdtm: Negative detected: saturated # [ 122.237881] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 122.243979] lkdtm: attempting bad refcount_dec() below zero # [ 122.249712] ------------[ cut here ]------------ # [ 122.254394] WARNING: CPU: 1 PID: 2860 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 # [ 122.262906] refcount_t: decrement hit 0; leaking memory. # [ 122.268266] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan parallel_display etnaviv can_dev imxdrm gpu_sched imx_ipu_v3 # [ 122.297439] CPU: 1 PID: 2860 Comm: cat Tainted: G D W 5.10.158-cip21 #1 # [ 122.305188] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 122.311722] Backtrace: # [ 122.314195] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 122.321774] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f5f4 # [ 122.327445] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 122.334765] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 122.341736] r9:00000009 r8:c086e8cc r7:0000001f r6:00000009 r5:c086e8cc r4:c1a20bf8 # [ 122.349492] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 122.356981] r7:0000001f r6:c1a20bf8 r5:c1a20c5c r4:c6910000 # [ 122.362655] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) # [ 122.371623] r9:c1accbf8 r8:c15e8784 r7:c6911f60 r6:00000016 r5:00000000 r4:c6910000 # [ 122.379384] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) # [ 122.389051] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_NEGATIVE+0x48/0x70) # [ 122.399155] [] (lkdtm_REFCOUNT_DEC_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 122.408292] r5:c5ead000 r4:00000030 # [ 122.411878] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 122.419895] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 122.427819] r9:c6911f60 r8:c52ec3c0 r7:00000016 r6:b6e04000 r5:c6aff040 r4:c0c2f960 # [ 122.435576] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 122.443414] r9:c07f639c r8:c6911f60 r7:c2816000 r6:b6e04000 r5:c6aff040 r4:00000000 # [ 122.451166] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 122.458310] r10:00000004 r9:00000000 r8:00000000 r7:b6e04000 r6:c6910000 r5:c6aff040 # [ 122.466144] r4:c6aff040 # [ 122.468687] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 122.475831] r9:c6910000 r8:c03002e4 r7:00000004 r6:b6f4be00 r5:00000016 r4:00000016 # [ 122.483587] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 122.491161] Exception stack(0xc6911fa8 to 0xc6911ff0) # [ 122.496221] 1fa0: 00000016 00000016 00000001 b6e04000 00000016 00000000 # [ 122.504407] 1fc0: 00000016 00000016 b6f4be00 00000004 00000001 00000000 00020000 bea3da54 # [ 122.512590] 1fe0: 00000004 bea3d788 b6eb64cf b6e3c7e6 # [ 122.517719] irq event stamp: 0 # [ 122.520793] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 122.526381] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 122.533937] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 122.541480] softirqs last disabled at (0): [<00000000>] 0x0 # [ 122.547106] ---[ end trace a80c4e28b0995e0c ]--- # [ 122.551744] lkdtm: Negative detected: saturated # REFCOUNT_DEC_NEGATIVE: saw 'Negative detected: saturated': ok ok 47 selftests: lkdtm: REFCOUNT_DEC_NEGATIVE.sh # selftests: lkdtm: REFCOUNT_DEC_AND_TEST_NEGATIVE.sh [ 123.016758] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE [ 123.023675] lkdtm: attempting bad refcount_dec_and_test() below zero [ 123.030143] ------------[ cut here ]------------ [ 123.034799] WARNING: CPU: 0 PID: 2895 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 [ 123.043436] refcount_t: underflow; use-after-free. [ 123.048285] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan parallel_display etnaviv can_dev imxdrm gpu_sched imx_ipu_v3 [ 123.077523] CPU: 0 PID: 2895 Comm: cat Tainted: G D W 5.10.158-cip21 #1 [ 123.085273] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 123.091805] Backtrace: [ 123.094279] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 123.101857] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f5f4 [ 123.107527] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 123.114850] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 123.121820] r9:00000009 r8:c086e99c r7:0000001c r6:00000009 r5:c086e99c r4:c1a20bf8 [ 123.129575] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 123.137063] r7:0000001c r6:c1a20bf8 r5:c1a20c34 r4:c5e86000 [ 123.142737] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) [ 123.151791] r9:c1accc10 r8:c15e8784 r7:c5e87f60 r6:0000001f r5:00000000 r4:c5e86000 [ 123.159549] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) [ 123.170002] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x50/0x8c) [ 123.181669] [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) [ 123.191589] r5:c5e7a000 r4:00000031 [ 123.195175] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 123.203192] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 123.211117] r9:c5e87f60 r8:c52ec3c0 r7:0000001f r6:b6e16000 r5:c5b73900 r4:c0c2f960 [ 123.218874] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 123.226712] r9:c07f639c r8:c5e87f60 r7:c2816000 r6:b6e16000 r5:c5b73900 r4:00000000 [ 123.234464] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 123.241607] r10:00000004 r9:00000000 r8:00000000 r7:b6e16000 r6:c5e86000 r5:c5b73900 [ 123.249439] r4:c5b73900 [ 123.251982] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 123.259124] r9:c5e86000 r8:c03002e4 r7:00000004 r6:b6f5de00 r5:0000001f r4:0000001f [ 123.266878] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 123.274452] Exception stack(0xc5e87fa8 to 0xc5e87ff0) [ 123.279513] 7fa0: 0000001f 0000001f 00000001 b6e16000 0000001f 00000000 [ 123.287699] 7fc0: 0000001f 0000001f b6f5de00 00000004 00000001 00000000 00020000 bebefa54 [ 123.295883] 7fe0: 00000004 bebef788 b6ec84cf b6e4e7e6 [ 123.301012] irq event stamp: 0 [ 123.304084] hardirqs last enabled at (0): [<00000000>] 0x0 [ 123.309701] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 123.317235] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 123.325878] softirqs last disabled at (0): [<00000000>] 0x0 [ 123.331506] ---[ end trace a80c4e28b0995e0d ]--- [ 123.336137] lkdtm: Negative detected: saturated # [ 123.016758] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 123.023675] lkdtm: attempting bad refcount_dec_and_test() below zero # [ 123.030143] ------------[ cut here ]------------ # [ 123.034799] WARNING: CPU: 0 PID: 2895 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 123.043436] refcount_t: underflow; use-after-free. # [ 123.048285] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan parallel_display etnaviv can_dev imxdrm gpu_sched imx_ipu_v3 # [ 123.077523] CPU: 0 PID: 2895 Comm: cat Tainted: G D W 5.10.158-cip21 #1 # [ 123.085273] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 123.091805] Backtrace: # [ 123.094279] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 123.101857] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f5f4 # [ 123.107527] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 123.114850] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 123.121820] r9:00000009 r8:c086e99c r7:0000001c r6:00000009 r5:c086e99c r4:c1a20bf8 # [ 123.129575] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 123.137063] r7:0000001c r6:c1a20bf8 r5:c1a20c34 r4:c5e86000 # [ 123.142737] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 123.151791] r9:c1accc10 r8:c15e8784 r7:c5e87f60 r6:0000001f r5:00000000 r4:c5e86000 # [ 123.159549] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 123.170002] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x50/0x8c) # [ 123.181669] [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 123.191589] r5:c5e7a000 r4:00000031 # [ 123.195175] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 123.203192] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 123.211117] r9:c5e87f60 r8:c52ec3c0 r7:0000001f r6:b6e16000 r5:c5b73900 r4:c0c2f960 # [ 123.218874] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 123.226712] r9:c07f639c r8:c5e87f60 r7:c2816000 r6:b6e16000 r5:c5b73900 r4:00000000 # [ 123.234464] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 123.241607] r10:00000004 r9:00000000 r8:00000000 r7:b6e16000 r6:c5e86000 r5:c5b73900 # [ 123.249439] r4:c5b73900 # [ 123.251982] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 123.259124] r9:c5e86000 r8:c03002e4 r7:00000004 r6:b6f5de00 r5:0000001f r4:0000001f # [ 123.266878] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 123.274452] Exception stack(0xc5e87fa8 to 0xc5e87ff0) # [ 123.279513] 7fa0: 0000001f 0000001f 00000001 b6e16000 0000001f 00000000 # [ 123.287699] 7fc0: 0000001f 0000001f b6f5de00 00000004 00000001 00000000 00020000 bebefa54 # [ 123.295883] 7fe0: 00000004 bebef788 b6ec84cf b6e4e7e6 # [ 123.301012] irq event stamp: 0 # [ 123.304084] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 123.309701] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 123.317235] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 123.325878] softirqs last disabled at (0): [<00000000>] 0x0 # [ 123.331506] ---[ end trace a80c4e28b0995e0d ]--- # [ 123.336137] 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 [ 123.823455] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE [ 123.830355] lkdtm: attempting bad refcount_sub_and_test() below zero [ 123.836725] ------------[ cut here ]------------ [ 123.841439] WARNING: CPU: 2 PID: 2930 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 [ 123.850040] refcount_t: underflow; use-after-free. [ 123.854847] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan parallel_display etnaviv can_dev imxdrm gpu_sched imx_ipu_v3 [ 123.884085] CPU: 2 PID: 2930 Comm: cat Tainted: G D W 5.10.158-cip21 #1 [ 123.891839] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 123.898374] Backtrace: [ 123.900855] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 123.908441] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f5f4 [ 123.914116] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 123.921442] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 123.928418] r9:00000009 r8:c086e99c r7:0000001c r6:00000009 r5:c086e99c r4:c1a20bf8 [ 123.936177] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 123.943669] r7:0000001c r6:c1a20bf8 r5:c1a20c34 r4:c5f6c000 [ 123.949347] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) [ 123.958402] r9:c1accc30 r8:c15e8784 r7:c5f6df60 r6:0000001f r5:c6ae7000 r4:c5f6c000 [ 123.966164] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) [ 123.976620] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x50/0x8c) [ 123.988292] [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) [ 123.998213] r4:00000032 [ 124.000762] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 124.008785] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 124.016714] r9:c5f6df60 r8:c52ec3c0 r7:0000001f r6:b6e49000 r5:c6b03180 r4:c0c2f960 [ 124.024476] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 124.032318] r9:c07f639c r8:c5f6df60 r7:c2816000 r6:b6e49000 r5:c6b03180 r4:00000000 [ 124.040074] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 124.047222] r10:00000004 r9:00000000 r8:00000000 r7:b6e49000 r6:c5f6c000 r5:c6b03180 [ 124.055059] r4:c6b03180 [ 124.057605] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 124.064752] r9:c5f6c000 r8:c03002e4 r7:00000004 r6:b6f90e00 r5:0000001f r4:0000001f [ 124.072510] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 124.080088] Exception stack(0xc5f6dfa8 to 0xc5f6dff0) [ 124.085154] dfa0: 0000001f 0000001f 00000001 b6e49000 0000001f 00000000 [ 124.093344] dfc0: 0000001f 0000001f b6f90e00 00000004 00000001 00000000 00020000 be97ca54 [ 124.101531] dfe0: 00000004 be97c788 b6efb4cf b6e817e6 [ 124.106682] irq event stamp: 0 [ 124.109796] hardirqs last enabled at (0): [<00000000>] 0x0 [ 124.115399] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 124.122949] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 124.130552] softirqs last disabled at (0): [<00000000>] 0x0 [ 124.136175] ---[ end trace a80c4e28b0995e0e ]--- [ 124.140880] lkdtm: Negative detected: saturated # [ 123.823455] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 123.830355] lkdtm: attempting bad refcount_sub_and_test() below zero # [ 123.836725] ------------[ cut here ]------------ # [ 123.841439] WARNING: CPU: 2 PID: 2930 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 123.850040] refcount_t: underflow; use-after-free. # [ 123.854847] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan parallel_display etnaviv can_dev imxdrm gpu_sched imx_ipu_v3 # [ 123.884085] CPU: 2 PID: 2930 Comm: cat Tainted: G D W 5.10.158-cip21 #1 # [ 123.891839] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 123.898374] Backtrace: # [ 123.900855] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 123.908441] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f5f4 # [ 123.914116] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 123.921442] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 123.928418] r9:00000009 r8:c086e99c r7:0000001c r6:00000009 r5:c086e99c r4:c1a20bf8 # [ 123.936177] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 123.943669] r7:0000001c r6:c1a20bf8 r5:c1a20c34 r4:c5f6c000 # [ 123.949347] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 123.958402] r9:c1accc30 r8:c15e8784 r7:c5f6df60 r6:0000001f r5:c6ae7000 r4:c5f6c000 # [ 123.966164] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 123.976620] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x50/0x8c) # [ 123.988292] [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 123.998213] r4:00000032 # [ 124.000762] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 124.008785] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 124.016714] r9:c5f6df60 r8:c52ec3c0 r7:0000001f r6:b6e49000 r5:c6b03180 r4:c0c2f960 # [ 124.024476] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 124.032318] r9:c07f639c r8:c5f6df60 r7:c2816000 r6:b6e49000 r5:c6b03180 r4:00000000 # [ 124.040074] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 124.047222] r10:00000004 r9:00000000 r8:00000000 r7:b6e49000 r6:c5f6c000 r5:c6b03180 # [ 124.055059] r4:c6b03180 # [ 124.057605] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 124.064752] r9:c5f6c000 r8:c03002e4 r7:00000004 r6:b6f90e00 r5:0000001f r4:0000001f # [ 124.072510] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 124.080088] Exception stack(0xc5f6dfa8 to 0xc5f6dff0) # [ 124.085154] dfa0: 0000001f 0000001f 00000001 b6e49000 0000001f 00000000 # [ 124.093344] dfc0: 0000001f 0000001f b6f90e00 00000004 00000001 00000000 00020000 be97ca54 # [ 124.101531] dfe0: 00000004 be97c788 b6efb4cf b6e817e6 # [ 124.106682] irq event stamp: 0 # [ 124.109796] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 124.115399] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 124.122949] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 124.130552] softirqs last disabled at (0): [<00000000>] 0x0 # [ 124.136175] ---[ end trace a80c4e28b0995e0e ]--- # [ 124.140880] 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 [ 124.609030] lkdtm: Performing direct entry REFCOUNT_INC_ZERO [ 124.614715] lkdtm: attempting safe refcount_inc_not_zero() from zero [ 124.621138] lkdtm: Good: zero detected [ 124.624903] lkdtm: Correctly stayed at zero [ 124.629192] lkdtm: attempting bad refcount_inc() from zero [ 124.634716] ------------[ cut here ]------------ [ 124.639407] WARNING: CPU: 0 PID: 2962 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 [ 124.648052] refcount_t: addition on 0; use-after-free. [ 124.653201] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan parallel_display etnaviv can_dev imxdrm gpu_sched imx_ipu_v3 [ 124.682354] CPU: 0 PID: 2962 Comm: cat Tainted: G D W 5.10.158-cip21 #1 [ 124.690103] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 124.696635] Backtrace: [ 124.699106] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 124.706686] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f5f4 [ 124.712355] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 124.719677] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 124.726648] r9:00000009 r8:c086e968 r7:00000019 r6:00000009 r5:c086e968 r4:c1a20bf8 [ 124.734403] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 124.741891] r7:00000019 r6:c1a20bf8 r5:c1a20c08 r4:c6c3c000 [ 124.747564] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) [ 124.756616] r9:c1accc50 r8:c15e8784 r7:c6c3df60 r6:00000012 r5:00000000 r4:c6c3c000 [ 124.764372] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) [ 124.774041] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_ZERO+0xa8/0xcc) [ 124.783797] [] (lkdtm_REFCOUNT_INC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) [ 124.792588] r5:c5e7a000 r4:00000033 [ 124.796173] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 124.804190] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 124.812115] r9:c6c3df60 r8:c52ec3c0 r7:00000012 r6:b6ea6000 r5:c5b73a40 r4:c0c2f960 [ 124.819871] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 124.827708] r9:c07f639c r8:c6c3df60 r7:c2816000 r6:b6ea6000 r5:c5b73a40 r4:00000000 [ 124.835461] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 124.842603] r10:00000004 r9:00000000 r8:00000000 r7:b6ea6000 r6:c6c3c000 r5:c5b73a40 [ 124.850436] r4:c5b73a40 [ 124.852979] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 124.860122] r9:c6c3c000 r8:c03002e4 r7:00000004 r6:b6fede00 r5:00000012 r4:00000012 [ 124.867877] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 124.875451] Exception stack(0xc6c3dfa8 to 0xc6c3dff0) [ 124.880511] dfa0: 00000012 00000012 00000001 b6ea6000 00000012 00000000 [ 124.888698] dfc0: 00000012 00000012 b6fede00 00000004 00000001 00000000 00020000 bed91a54 [ 124.896879] dfe0: 00000004 bed91788 b6f584cf b6ede7e6 [ 124.901989] irq event stamp: 0 [ 124.905061] hardirqs last enabled at (0): [<00000000>] 0x0 [ 124.910678] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 124.918822] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 124.926361] softirqs last disabled at (0): [<00000000>] 0x0 [ 124.931973] ---[ end trace a80c4e28b0995e0f ]--- [ 124.936602] lkdtm: Zero detected: saturated # [ 124.609030] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 124.614715] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 124.621138] lkdtm: Good: zero detected # [ 124.624903] lkdtm: Correctly stayed at zero # [ 124.629192] lkdtm: attempting bad refcount_inc() from zero # [ 124.634716] ------------[ cut here ]------------ # [ 124.639407] WARNING: CPU: 0 PID: 2962 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 # [ 124.648052] refcount_t: addition on 0; use-after-free. # [ 124.653201] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan parallel_display etnaviv can_dev imxdrm gpu_sched imx_ipu_v3 # [ 124.682354] CPU: 0 PID: 2962 Comm: cat Tainted: G D W 5.10.158-cip21 #1 # [ 124.690103] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 124.696635] Backtrace: # [ 124.699106] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 124.706686] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f5f4 # [ 124.712355] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 124.719677] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 124.726648] r9:00000009 r8:c086e968 r7:00000019 r6:00000009 r5:c086e968 r4:c1a20bf8 # [ 124.734403] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 124.741891] r7:00000019 r6:c1a20bf8 r5:c1a20c08 r4:c6c3c000 # [ 124.747564] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) # [ 124.756616] r9:c1accc50 r8:c15e8784 r7:c6c3df60 r6:00000012 r5:00000000 r4:c6c3c000 # [ 124.764372] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) # [ 124.774041] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_ZERO+0xa8/0xcc) # [ 124.783797] [] (lkdtm_REFCOUNT_INC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 124.792588] r5:c5e7a000 r4:00000033 # [ 124.796173] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 124.804190] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 124.812115] r9:c6c3df60 r8:c52ec3c0 r7:00000012 r6:b6ea6000 r5:c5b73a40 r4:c0c2f960 # [ 124.819871] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 124.827708] r9:c07f639c r8:c6c3df60 r7:c2816000 r6:b6ea6000 r5:c5b73a40 r4:00000000 # [ 124.835461] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 124.842603] r10:00000004 r9:00000000 r8:00000000 r7:b6ea6000 r6:c6c3c000 r5:c5b73a40 # [ 124.850436] r4:c5b73a40 # [ 124.852979] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 124.860122] r9:c6c3c000 r8:c03002e4 r7:00000004 r6:b6fede00 r5:00000012 r4:00000012 # [ 124.867877] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 124.875451] Exception stack(0xc6c3dfa8 to 0xc6c3dff0) # [ 124.880511] dfa0: 00000012 00000012 00000001 b6ea6000 00000012 00000000 # [ 124.888698] dfc0: 00000012 00000012 b6fede00 00000004 00000001 00000000 00020000 bed91a54 # [ 124.896879] dfe0: 00000004 bed91788 b6f584cf b6ede7e6 # [ 124.901989] irq event stamp: 0 # [ 124.905061] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 124.910678] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 124.918822] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 124.926361] softirqs last disabled at (0): [<00000000>] 0x0 # [ 124.931973] ---[ end trace a80c4e28b0995e0f ]--- # [ 124.936602] lkdtm: Zero detected: saturated # REFCOUNT_INC_ZERO: missing 'call trace:': [FAIL] not ok 50 selftests: lkdtm: REFCOUNT_INC_ZERO.sh # exit=1 # selftests: lkdtm: REFCOUNT_ADD_ZERO.sh [ 125.509447] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO [ 125.515134] lkdtm: attempting safe refcount_add_not_zero() from zero [ 125.521548] lkdtm: Good: zero detected [ 125.525312] lkdtm: Correctly stayed at zero [ 125.529564] lkdtm: attempting bad refcount_add() from zero [ 125.535065] ------------[ cut here ]------------ [ 125.539770] WARNING: CPU: 0 PID: 2996 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 [ 125.548436] refcount_t: addition on 0; use-after-free. [ 125.553589] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan parallel_display etnaviv can_dev imxdrm gpu_sched imx_ipu_v3 [ 125.582824] CPU: 0 PID: 2996 Comm: cat Tainted: G D W 5.10.158-cip21 #1 [ 125.590578] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 125.597111] Backtrace: [ 125.599593] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 125.607175] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f5f4 [ 125.612850] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 125.620178] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 125.627153] r9:00000009 r8:c086e968 r7:00000019 r6:00000009 r5:c086e968 r4:c1a20bf8 [ 125.634912] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 125.642406] r7:00000019 r6:c1a20bf8 r5:c1a20c08 r4:c4772000 [ 125.648082] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) [ 125.657140] r9:c1accc64 r8:c15e8784 r7:c4773f60 r6:00000012 r5:00000000 r4:c4772000 [ 125.664901] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) [ 125.674575] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_ZERO+0xa8/0xcc) [ 125.684336] [] (lkdtm_REFCOUNT_ADD_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) [ 125.693129] r5:c5853000 r4:00000034 [ 125.696720] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 125.704741] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 125.712671] r9:c4773f60 r8:c52ec3c0 r7:00000012 r6:b6e68000 r5:c5b72dc0 r4:c0c2f960 [ 125.720433] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 125.728275] r9:c07f639c r8:c4773f60 r7:c2816000 r6:b6e68000 r5:c5b72dc0 r4:00000000 [ 125.736032] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 125.743178] r10:00000004 r9:00000000 r8:00000000 r7:b6e68000 r6:c4772000 r5:c5b72dc0 [ 125.751013] r4:c5b72dc0 [ 125.753560] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 125.760707] r9:c4772000 r8:c03002e4 r7:00000004 r6:b6fafe00 r5:00000012 r4:00000012 [ 125.768465] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 125.776043] Exception stack(0xc4773fa8 to 0xc4773ff0) [ 125.781110] 3fa0: 00000012 00000012 00000001 b6e68000 00000012 00000000 [ 125.789300] 3fc0: 00000012 00000012 b6fafe00 00000004 00000001 00000000 00020000 be9f0a54 [ 125.797486] 3fe0: 00000004 be9f0788 b6f1a4cf b6ea07e6 [ 125.802588] irq event stamp: 0 [ 125.805674] hardirqs last enabled at (0): [<00000000>] 0x0 [ 125.811301] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 125.818848] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 125.826354] softirqs last disabled at (0): [<00000000>] 0x0 [ 125.831984] ---[ end trace a80c4e28b0995e10 ]--- [ 125.836620] lkdtm: Zero detected: saturated # [ 125.509447] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 125.515134] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 125.521548] lkdtm: Good: zero detected # [ 125.525312] lkdtm: Correctly stayed at zero # [ 125.529564] lkdtm: attempting bad refcount_add() from zero # [ 125.535065] ------------[ cut here ]------------ # [ 125.539770] WARNING: CPU: 0 PID: 2996 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 # [ 125.548436] refcount_t: addition on 0; use-after-free. # [ 125.553589] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan parallel_display etnaviv can_dev imxdrm gpu_sched imx_ipu_v3 # [ 125.582824] CPU: 0 PID: 2996 Comm: cat Tainted: G D W 5.10.158-cip21 #1 # [ 125.590578] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 125.597111] Backtrace: # [ 125.599593] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 125.607175] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f5f4 # [ 125.612850] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 125.620178] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 125.627153] r9:00000009 r8:c086e968 r7:00000019 r6:00000009 r5:c086e968 r4:c1a20bf8 # [ 125.634912] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 125.642406] r7:00000019 r6:c1a20bf8 r5:c1a20c08 r4:c4772000 # [ 125.648082] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) # [ 125.657140] r9:c1accc64 r8:c15e8784 r7:c4773f60 r6:00000012 r5:00000000 r4:c4772000 # [ 125.664901] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) # [ 125.674575] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_ZERO+0xa8/0xcc) # [ 125.684336] [] (lkdtm_REFCOUNT_ADD_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 125.693129] r5:c5853000 r4:00000034 # [ 125.696720] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 125.704741] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 125.712671] r9:c4773f60 r8:c52ec3c0 r7:00000012 r6:b6e68000 r5:c5b72dc0 r4:c0c2f960 # [ 125.720433] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 125.728275] r9:c07f639c r8:c4773f60 r7:c2816000 r6:b6e68000 r5:c5b72dc0 r4:00000000 # [ 125.736032] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 125.743178] r10:00000004 r9:00000000 r8:00000000 r7:b6e68000 r6:c4772000 r5:c5b72dc0 # [ 125.751013] r4:c5b72dc0 # [ 125.753560] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 125.760707] r9:c4772000 r8:c03002e4 r7:00000004 r6:b6fafe00 r5:00000012 r4:00000012 # [ 125.768465] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 125.776043] Exception stack(0xc4773fa8 to 0xc4773ff0) # [ 125.781110] 3fa0: 00000012 00000012 00000001 b6e68000 00000012 00000000 # [ 125.789300] 3fc0: 00000012 00000012 b6fafe00 00000004 00000001 00000000 00020000 be9f0a54 # [ 125.797486] 3fe0: 00000004 be9f0788 b6f1a4cf b6ea07e6 # [ 125.802588] irq event stamp: 0 # [ 125.805674] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 125.811301] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 125.818848] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 125.826354] softirqs last disabled at (0): [<00000000>] 0x0 # [ 125.831984] ---[ end trace a80c4e28b0995e10 ]--- # [ 125.836620] 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 [ 126.358439] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED [ 126.364582] lkdtm: attempting bad refcount_inc() from saturated [ 126.370595] ------------[ cut here ]------------ [ 126.375244] WARNING: CPU: 0 PID: 3033 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 [ 126.383722] refcount_t: saturated; leaking memory. [ 126.388558] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan parallel_display etnaviv can_dev imxdrm gpu_sched imx_ipu_v3 [ 126.417804] CPU: 0 PID: 3033 Comm: cat Tainted: G D W 5.10.158-cip21 #1 [ 126.425554] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 126.432087] Backtrace: [ 126.434558] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 126.442138] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f5f4 [ 126.447808] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 126.455131] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 126.462101] r9:00000009 r8:c086e934 r7:00000016 r6:00000009 r5:c086e934 r4:c1a20bf8 [ 126.469855] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 126.477346] r7:00000016 r6:c1a20bf8 r5:c1a20bd0 r4:c47ee000 [ 126.483020] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) [ 126.491986] r9:c1accc78 r8:c15e8784 r7:c47eff60 r6:00000017 r5:c5c56000 r4:c47ee000 [ 126.499742] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) [ 126.509412] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_SATURATED+0x4c/0x70) [ 126.519602] [] (lkdtm_REFCOUNT_INC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) [ 126.528825] r4:00000035 [ 126.531370] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 126.539385] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 126.547310] r9:c47eff60 r8:c52ec3c0 r7:00000017 r6:b6e5e000 r5:c6b02f00 r4:c0c2f960 [ 126.555067] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 126.562905] r9:c07f639c r8:c47eff60 r7:c2816000 r6:b6e5e000 r5:c6b02f00 r4:00000000 [ 126.570657] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 126.577803] r10:00000004 r9:00000000 r8:00000000 r7:b6e5e000 r6:c47ee000 r5:c6b02f00 [ 126.585636] r4:c6b02f00 [ 126.588178] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 126.595320] r9:c47ee000 r8:c03002e4 r7:00000004 r6:b6fa5e00 r5:00000017 r4:00000017 [ 126.603074] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 126.610648] Exception stack(0xc47effa8 to 0xc47efff0) [ 126.615710] ffa0: 00000017 00000017 00000001 b6e5e000 00000017 00000000 [ 126.623897] ffc0: 00000017 00000017 b6fa5e00 00000004 00000001 00000000 00020000 be80aa54 [ 126.632078] ffe0: 00000004 be80a788 b6f104cf b6e967e6 [ 126.637189] irq event stamp: 0 [ 126.640261] hardirqs last enabled at (0): [<00000000>] 0x0 [ 126.645849] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 126.653384] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 126.661636] softirqs last disabled at (0): [<00000000>] 0x0 [ 126.667282] ---[ end trace a80c4e28b0995e11 ]--- [ 126.671913] lkdtm: Saturation detected: still saturated # [ 126.358439] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 126.364582] lkdtm: attempting bad refcount_inc() from saturated # [ 126.370595] ------------[ cut here ]------------ # [ 126.375244] WARNING: CPU: 0 PID: 3033 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 126.383722] refcount_t: saturated; leaking memory. # [ 126.388558] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan parallel_display etnaviv can_dev imxdrm gpu_sched imx_ipu_v3 # [ 126.417804] CPU: 0 PID: 3033 Comm: cat Tainted: G D W 5.10.158-cip21 #1 # [ 126.425554] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 126.432087] Backtrace: # [ 126.434558] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 126.442138] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f5f4 # [ 126.447808] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 126.455131] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 126.462101] r9:00000009 r8:c086e934 r7:00000016 r6:00000009 r5:c086e934 r4:c1a20bf8 # [ 126.469855] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 126.477346] r7:00000016 r6:c1a20bf8 r5:c1a20bd0 r4:c47ee000 # [ 126.483020] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 126.491986] r9:c1accc78 r8:c15e8784 r7:c47eff60 r6:00000017 r5:c5c56000 r4:c47ee000 # [ 126.499742] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 126.509412] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_SATURATED+0x4c/0x70) # [ 126.519602] [] (lkdtm_REFCOUNT_INC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 126.528825] r4:00000035 # [ 126.531370] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 126.539385] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 126.547310] r9:c47eff60 r8:c52ec3c0 r7:00000017 r6:b6e5e000 r5:c6b02f00 r4:c0c2f960 # [ 126.555067] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 126.562905] r9:c07f639c r8:c47eff60 r7:c2816000 r6:b6e5e000 r5:c6b02f00 r4:00000000 # [ 126.570657] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 126.577803] r10:00000004 r9:00000000 r8:00000000 r7:b6e5e000 r6:c47ee000 r5:c6b02f00 # [ 126.585636] r4:c6b02f00 # [ 126.588178] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 126.595320] r9:c47ee000 r8:c03002e4 r7:00000004 r6:b6fa5e00 r5:00000017 r4:00000017 # [ 126.603074] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 126.610648] Exception stack(0xc47effa8 to 0xc47efff0) # [ 126.615710] ffa0: 00000017 00000017 00000001 b6e5e000 00000017 00000000 # [ 126.623897] ffc0: 00000017 00000017 b6fa5e00 00000004 00000001 00000000 00020000 be80aa54 # [ 126.632078] ffe0: 00000004 be80a788 b6f104cf b6e967e6 # [ 126.637189] irq event stamp: 0 # [ 126.640261] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 126.645849] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 126.653384] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 126.661636] softirqs last disabled at (0): [<00000000>] 0x0 # [ 126.667282] ---[ end trace a80c4e28b0995e11 ]--- # [ 126.671913] lkdtm: Saturation detected: still saturated # REFCOUNT_INC_SATURATED: saw 'Saturation detected: still saturated': ok ok 52 selftests: lkdtm: REFCOUNT_INC_SATURATED.sh # selftests: lkdtm: REFCOUNT_DEC_SATURATED.sh [ 127.190822] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED [ 127.197085] lkdtm: attempting bad refcount_dec() from saturated [ 127.203043] ------------[ cut here ]------------ [ 127.207732] WARNING: CPU: 1 PID: 3068 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 [ 127.216181] refcount_t: decrement hit 0; leaking memory. [ 127.221551] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan parallel_display etnaviv can_dev imxdrm gpu_sched imx_ipu_v3 [ 127.250705] CPU: 1 PID: 3068 Comm: cat Tainted: G D W 5.10.158-cip21 #1 [ 127.258455] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 127.264987] Backtrace: [ 127.267460] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 127.275039] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f5f4 [ 127.280710] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 127.288033] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 127.295002] r9:00000009 r8:c086e8cc r7:0000001f r6:00000009 r5:c086e8cc r4:c1a20bf8 [ 127.302757] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 127.310246] r7:0000001f r6:c1a20bf8 r5:c1a20c5c r4:c5e24000 [ 127.315918] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) [ 127.324884] r9:c1accc90 r8:c15e8784 r7:c5e25f60 r6:00000017 r5:c6aef000 r4:c5e24000 [ 127.332642] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) [ 127.342307] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_SATURATED+0x48/0x6c) [ 127.352499] [] (lkdtm_REFCOUNT_DEC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) [ 127.361723] r4:00000036 [ 127.364266] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 127.372283] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 127.380207] r9:c5e25f60 r8:c52ec3c0 r7:00000017 r6:b6e0c000 r5:c2fc8500 r4:c0c2f960 [ 127.387963] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 127.395801] r9:c07f639c r8:c5e25f60 r7:c2816000 r6:b6e0c000 r5:c2fc8500 r4:00000000 [ 127.403552] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 127.410697] r10:00000004 r9:00000000 r8:00000000 r7:b6e0c000 r6:c5e24000 r5:c2fc8500 [ 127.418530] r4:c2fc8500 [ 127.421073] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 127.428218] r9:c5e24000 r8:c03002e4 r7:00000004 r6:b6f53e00 r5:00000017 r4:00000017 [ 127.435972] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 127.443546] Exception stack(0xc5e25fa8 to 0xc5e25ff0) [ 127.448607] 5fa0: 00000017 00000017 00000001 b6e0c000 00000017 00000000 [ 127.456793] 5fc0: 00000017 00000017 b6f53e00 00000004 00000001 00000000 00020000 bec52a54 [ 127.464976] 5fe0: 00000004 bec52788 b6ebe4cf b6e447e6 [ 127.470092] irq event stamp: 0 [ 127.473163] hardirqs last enabled at (0): [<00000000>] 0x0 [ 127.478778] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 127.486280] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 127.493829] softirqs last disabled at (0): [<00000000>] 0x0 [ 127.499450] ---[ end trace a80c4e28b0995e12 ]--- [ 127.504085] lkdtm: Saturation detected: still saturated # [ 127.190822] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 127.197085] lkdtm: attempting bad refcount_dec() from saturated # [ 127.203043] ------------[ cut here ]------------ # [ 127.207732] WARNING: CPU: 1 PID: 3068 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 # [ 127.216181] refcount_t: decrement hit 0; leaking memory. # [ 127.221551] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan parallel_display etnaviv can_dev imxdrm gpu_sched imx_ipu_v3 # [ 127.250705] CPU: 1 PID: 3068 Comm: cat Tainted: G D W 5.10.158-cip21 #1 # [ 127.258455] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 127.264987] Backtrace: # [ 127.267460] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 127.275039] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f5f4 # [ 127.280710] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 127.288033] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 127.295002] r9:00000009 r8:c086e8cc r7:0000001f r6:00000009 r5:c086e8cc r4:c1a20bf8 # [ 127.302757] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 127.310246] r7:0000001f r6:c1a20bf8 r5:c1a20c5c r4:c5e24000 # [ 127.315918] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) # [ 127.324884] r9:c1accc90 r8:c15e8784 r7:c5e25f60 r6:00000017 r5:c6aef000 r4:c5e24000 # [ 127.332642] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) # [ 127.342307] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_SATURATED+0x48/0x6c) # [ 127.352499] [] (lkdtm_REFCOUNT_DEC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 127.361723] r4:00000036 # [ 127.364266] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 127.372283] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 127.380207] r9:c5e25f60 r8:c52ec3c0 r7:00000017 r6:b6e0c000 r5:c2fc8500 r4:c0c2f960 # [ 127.387963] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 127.395801] r9:c07f639c r8:c5e25f60 r7:c2816000 r6:b6e0c000 r5:c2fc8500 r4:00000000 # [ 127.403552] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 127.410697] r10:00000004 r9:00000000 r8:00000000 r7:b6e0c000 r6:c5e24000 r5:c2fc8500 # [ 127.418530] r4:c2fc8500 # [ 127.421073] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 127.428218] r9:c5e24000 r8:c03002e4 r7:00000004 r6:b6f53e00 r5:00000017 r4:00000017 # [ 127.435972] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 127.443546] Exception stack(0xc5e25fa8 to 0xc5e25ff0) # [ 127.448607] 5fa0: 00000017 00000017 00000001 b6e0c000 00000017 00000000 # [ 127.456793] 5fc0: 00000017 00000017 b6f53e00 00000004 00000001 00000000 00020000 bec52a54 # [ 127.464976] 5fe0: 00000004 bec52788 b6ebe4cf b6e447e6 # [ 127.470092] irq event stamp: 0 # [ 127.473163] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 127.478778] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 127.486280] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 127.493829] softirqs last disabled at (0): [<00000000>] 0x0 # [ 127.499450] ---[ end trace a80c4e28b0995e12 ]--- # [ 127.504085] 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 [ 127.993328] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED [ 127.999543] lkdtm: attempting bad refcount_dec() from saturated [ 128.005480] ------------[ cut here ]------------ [ 128.010193] WARNING: CPU: 3 PID: 3103 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 [ 128.018683] refcount_t: saturated; leaking memory. [ 128.023489] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan parallel_display etnaviv can_dev imxdrm gpu_sched imx_ipu_v3 [ 128.052723] CPU: 3 PID: 3103 Comm: cat Tainted: G D W 5.10.158-cip21 #1 [ 128.060480] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 128.067020] Backtrace: [ 128.069503] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 128.077087] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f5f4 [ 128.082762] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 128.090089] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 128.097064] r9:00000009 r8:c086e934 r7:00000016 r6:00000009 r5:c086e934 r4:c1a20bf8 [ 128.104823] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 128.112317] r7:00000016 r6:c1a20bf8 r5:c1a20bd0 r4:c6f64000 [ 128.117996] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) [ 128.126968] r9:c1accca8 r8:c15e8784 r7:c6f65f60 r6:00000017 r5:c5cde000 r4:c6f64000 [ 128.134730] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) [ 128.144406] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_SATURATED+0x4c/0x70) [ 128.154600] [] (lkdtm_REFCOUNT_ADD_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) [ 128.163826] r4:00000037 [ 128.166376] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 128.174398] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 128.182327] r9:c6f65f60 r8:c52ec3c0 r7:00000017 r6:b6e0f000 r5:c5b5a640 r4:c0c2f960 [ 128.190088] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 128.197932] r9:c07f639c r8:c6f65f60 r7:c2816000 r6:b6e0f000 r5:c5b5a640 r4:00000000 [ 128.205688] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 128.212836] r10:00000004 r9:00000000 r8:00000000 r7:b6e0f000 r6:c6f64000 r5:c5b5a640 [ 128.220675] r4:c5b5a640 [ 128.223223] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 128.230371] r9:c6f64000 r8:c03002e4 r7:00000004 r6:b6f56e00 r5:00000017 r4:00000017 [ 128.238132] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 128.245709] Exception stack(0xc6f65fa8 to 0xc6f65ff0) [ 128.250773] 5fa0: 00000017 00000017 00000001 b6e0f000 00000017 00000000 [ 128.258965] 5fc0: 00000017 00000017 b6f56e00 00000004 00000001 00000000 00020000 beb64a54 [ 128.267150] 5fe0: 00000004 beb64788 b6ec14cf b6e477e6 [ 128.272282] irq event stamp: 0 [ 128.275361] hardirqs last enabled at (0): [<00000000>] 0x0 [ 128.280989] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 128.288535] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 128.296066] softirqs last disabled at (0): [<00000000>] 0x0 [ 128.301711] ---[ end trace a80c4e28b0995e13 ]--- [ 128.306355] lkdtm: Saturation detected: still saturated # [ 127.993328] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 127.999543] lkdtm: attempting bad refcount_dec() from saturated # [ 128.005480] ------------[ cut here ]------------ # [ 128.010193] WARNING: CPU: 3 PID: 3103 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 128.018683] refcount_t: saturated; leaking memory. # [ 128.023489] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan parallel_display etnaviv can_dev imxdrm gpu_sched imx_ipu_v3 # [ 128.052723] CPU: 3 PID: 3103 Comm: cat Tainted: G D W 5.10.158-cip21 #1 # [ 128.060480] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 128.067020] Backtrace: # [ 128.069503] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 128.077087] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f5f4 # [ 128.082762] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 128.090089] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 128.097064] r9:00000009 r8:c086e934 r7:00000016 r6:00000009 r5:c086e934 r4:c1a20bf8 # [ 128.104823] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 128.112317] r7:00000016 r6:c1a20bf8 r5:c1a20bd0 r4:c6f64000 # [ 128.117996] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 128.126968] r9:c1accca8 r8:c15e8784 r7:c6f65f60 r6:00000017 r5:c5cde000 r4:c6f64000 # [ 128.134730] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 128.144406] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_SATURATED+0x4c/0x70) # [ 128.154600] [] (lkdtm_REFCOUNT_ADD_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 128.163826] r4:00000037 # [ 128.166376] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 128.174398] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 128.182327] r9:c6f65f60 r8:c52ec3c0 r7:00000017 r6:b6e0f000 r5:c5b5a640 r4:c0c2f960 # [ 128.190088] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 128.197932] r9:c07f639c r8:c6f65f60 r7:c2816000 r6:b6e0f000 r5:c5b5a640 r4:00000000 # [ 128.205688] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 128.212836] r10:00000004 r9:00000000 r8:00000000 r7:b6e0f000 r6:c6f64000 r5:c5b5a640 # [ 128.220675] r4:c5b5a640 # [ 128.223223] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 128.230371] r9:c6f64000 r8:c03002e4 r7:00000004 r6:b6f56e00 r5:00000017 r4:00000017 # [ 128.238132] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 128.245709] Exception stack(0xc6f65fa8 to 0xc6f65ff0) # [ 128.250773] 5fa0: 00000017 00000017 00000001 b6e0f000 00000017 00000000 # [ 128.258965] 5fc0: 00000017 00000017 b6f56e00 00000004 00000001 00000000 00020000 beb64a54 # [ 128.267150] 5fe0: 00000004 beb64788 b6ec14cf b6e477e6 # [ 128.272282] irq event stamp: 0 # [ 128.275361] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 128.280989] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 128.288535] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 128.296066] softirqs last disabled at (0): [<00000000>] 0x0 # [ 128.301711] ---[ end trace a80c4e28b0995e13 ]--- # [ 128.306355] 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 [ 128.775058] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED [ 128.782024] lkdtm: attempting bad refcount_inc_not_zero() from saturated [ 128.788833] ------------[ cut here ]------------ [ 128.793488] WARNING: CPU: 1 PID: 3135 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 [ 128.802041] refcount_t: saturated; leaking memory. [ 128.806892] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan parallel_display etnaviv can_dev imxdrm gpu_sched imx_ipu_v3 [ 128.836050] CPU: 1 PID: 3135 Comm: cat Tainted: G D W 5.10.158-cip21 #1 [ 128.843801] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 128.850333] Backtrace: [ 128.852807] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 128.860387] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f5f4 [ 128.866056] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 128.873378] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 128.880349] r9:00000009 r8:c086e900 r7:00000013 r6:00000009 r5:c086e900 r4:c1a20bf8 [ 128.888103] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 128.895593] r7:00000013 r6:c1a20bf8 r5:c1a20bd0 r4:c5f6c000 [ 128.901267] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) [ 128.910235] r9:c1acccc0 r8:c15e8784 r7:c5f6df60 r6:00000020 r5:c6aef000 r4:c0000000 [ 128.917995] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) [ 128.928444] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x50/0x88) [ 128.940186] r5:c6aef000 r4:c5f6c000 [ 128.943781] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) [ 128.953785] r4:00000038 [ 128.956329] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 128.964346] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 128.972270] r9:c5f6df60 r8:c52ec3c0 r7:00000020 r6:b6df0000 r5:c2fc8c80 r4:c0c2f960 [ 128.980028] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 128.987867] r9:c07f639c r8:c5f6df60 r7:c2816000 r6:b6df0000 r5:c2fc8c80 r4:00000000 [ 128.995620] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 129.002764] r10:00000004 r9:00000000 r8:00000000 r7:b6df0000 r6:c5f6c000 r5:c2fc8c80 [ 129.010597] r4:c2fc8c80 [ 129.013141] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 129.020286] r9:c5f6c000 r8:c03002e4 r7:00000004 r6:b6f37e00 r5:00000020 r4:00000020 [ 129.028039] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 129.035613] Exception stack(0xc5f6dfa8 to 0xc5f6dff0) [ 129.040675] dfa0: 00000020 00000020 00000001 b6df0000 00000020 00000000 [ 129.048864] dfc0: 00000020 00000020 b6f37e00 00000004 00000001 00000000 00020000 bec31a54 [ 129.057048] dfe0: 00000004 bec31788 b6ea24cf b6e287e6 [ 129.062207] irq event stamp: 0 [ 129.065279] hardirqs last enabled at (0): [<00000000>] 0x0 [ 129.070898] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 129.078468] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 129.085979] softirqs last disabled at (0): [<00000000>] 0x0 [ 129.091599] ---[ end trace a80c4e28b0995e14 ]--- [ 129.096235] lkdtm: Saturation detected: still saturated # [ 128.775058] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 128.782024] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 128.788833] ------------[ cut here ]------------ # [ 128.793488] WARNING: CPU: 1 PID: 3135 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 128.802041] refcount_t: saturated; leaking memory. # [ 128.806892] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan parallel_display etnaviv can_dev imxdrm gpu_sched imx_ipu_v3 # [ 128.836050] CPU: 1 PID: 3135 Comm: cat Tainted: G D W 5.10.158-cip21 #1 # [ 128.843801] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 128.850333] Backtrace: # [ 128.852807] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 128.860387] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f5f4 # [ 128.866056] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 128.873378] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 128.880349] r9:00000009 r8:c086e900 r7:00000013 r6:00000009 r5:c086e900 r4:c1a20bf8 # [ 128.888103] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 128.895593] r7:00000013 r6:c1a20bf8 r5:c1a20bd0 r4:c5f6c000 # [ 128.901267] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 128.910235] r9:c1acccc0 r8:c15e8784 r7:c5f6df60 r6:00000020 r5:c6aef000 r4:c0000000 # [ 128.917995] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 128.928444] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x50/0x88) # [ 128.940186] r5:c6aef000 r4:c5f6c000 # [ 128.943781] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 128.953785] r4:00000038 # [ 128.956329] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 128.964346] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 128.972270] r9:c5f6df60 r8:c52ec3c0 r7:00000020 r6:b6df0000 r5:c2fc8c80 r4:c0c2f960 # [ 128.980028] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 128.987867] r9:c07f639c r8:c5f6df60 r7:c2816000 r6:b6df0000 r5:c2fc8c80 r4:00000000 # [ 128.995620] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 129.002764] r10:00000004 r9:00000000 r8:00000000 r7:b6df0000 r6:c5f6c000 r5:c2fc8c80 # [ 129.010597] r4:c2fc8c80 # [ 129.013141] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 129.020286] r9:c5f6c000 r8:c03002e4 r7:00000004 r6:b6f37e00 r5:00000020 r4:00000020 # [ 129.028039] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 129.035613] Exception stack(0xc5f6dfa8 to 0xc5f6dff0) # [ 129.040675] dfa0: 00000020 00000020 00000001 b6df0000 00000020 00000000 # [ 129.048864] dfc0: 00000020 00000020 b6f37e00 00000004 00000001 00000000 00020000 bec31a54 # [ 129.057048] dfe0: 00000004 bec31788 b6ea24cf b6e287e6 # [ 129.062207] irq event stamp: 0 # [ 129.065279] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 129.070898] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 129.078468] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 129.085979] softirqs last disabled at (0): [<00000000>] 0x0 # [ 129.091599] ---[ end trace a80c4e28b0995e14 ]--- # [ 129.096235] 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 [ 129.596743] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED [ 129.603698] lkdtm: attempting bad refcount_add_not_zero() from saturated [ 129.610574] ------------[ cut here ]------------ [ 129.615253] WARNING: CPU: 0 PID: 3169 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 [ 129.623734] refcount_t: saturated; leaking memory. [ 129.628563] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan parallel_display etnaviv can_dev imxdrm gpu_sched imx_ipu_v3 [ 129.657800] CPU: 0 PID: 3169 Comm: cat Tainted: G D W 5.10.158-cip21 #1 [ 129.665551] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 129.672082] Backtrace: [ 129.674557] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 129.682136] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f5f4 [ 129.687806] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 129.695128] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 129.702099] r9:00000009 r8:c086e900 r7:00000013 r6:00000009 r5:c086e900 r4:c1a20bf8 [ 129.709855] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 129.717345] r7:00000013 r6:c1a20bf8 r5:c1a20bd0 r4:c5f6c000 [ 129.723017] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) [ 129.731985] r9:c1accce0 r8:c15e8784 r7:c5f6df60 r6:00000020 r5:c5cdd000 r4:c0000000 [ 129.739747] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) [ 129.750193] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x50/0x88) [ 129.761935] r5:c5cdd000 r4:c5f6c000 [ 129.765529] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) [ 129.775533] r4:00000039 [ 129.778077] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 129.786094] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 129.794019] r9:c5f6df60 r8:c52ec3c0 r7:00000020 r6:b6e2d000 r5:c5b723c0 r4:c0c2f960 [ 129.801776] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 129.809614] r9:c07f639c r8:c5f6df60 r7:c2816000 r6:b6e2d000 r5:c5b723c0 r4:00000000 [ 129.817368] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 129.824510] r10:00000004 r9:00000000 r8:00000000 r7:b6e2d000 r6:c5f6c000 r5:c5b723c0 [ 129.832344] r4:c5b723c0 [ 129.834886] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 129.842030] r9:c5f6c000 r8:c03002e4 r7:00000004 r6:b6f74e00 r5:00000020 r4:00000020 [ 129.849785] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 129.857361] Exception stack(0xc5f6dfa8 to 0xc5f6dff0) [ 129.862423] dfa0: 00000020 00000020 00000001 b6e2d000 00000020 00000000 [ 129.870609] dfc0: 00000020 00000020 b6f74e00 00000004 00000001 00000000 00020000 be823a54 [ 129.878794] dfe0: 00000004 be823788 b6edf4cf b6e657e6 [ 129.883921] irq event stamp: 0 [ 129.887016] hardirqs last enabled at (0): [<00000000>] 0x0 [ 129.892606] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 129.900143] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 129.907680] softirqs last disabled at (0): [<00000000>] 0x0 [ 129.913268] ---[ end trace a80c4e28b0995e15 ]--- [ 129.917927] lkdtm: Saturation detected: still saturated # [ 129.596743] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 129.603698] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 129.610574] ------------[ cut here ]------------ # [ 129.615253] WARNING: CPU: 0 PID: 3169 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 129.623734] refcount_t: saturated; leaking memory. # [ 129.628563] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan parallel_display etnaviv can_dev imxdrm gpu_sched imx_ipu_v3 # [ 129.657800] CPU: 0 PID: 3169 Comm: cat Tainted: G D W 5.10.158-cip21 #1 # [ 129.665551] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 129.672082] Backtrace: # [ 129.674557] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 129.682136] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f5f4 # [ 129.687806] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 129.695128] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 129.702099] r9:00000009 r8:c086e900 r7:00000013 r6:00000009 r5:c086e900 r4:c1a20bf8 # [ 129.709855] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 129.717345] r7:00000013 r6:c1a20bf8 r5:c1a20bd0 r4:c5f6c000 # [ 129.723017] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 129.731985] r9:c1accce0 r8:c15e8784 r7:c5f6df60 r6:00000020 r5:c5cdd000 r4:c0000000 # [ 129.739747] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 129.750193] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x50/0x88) # [ 129.761935] r5:c5cdd000 r4:c5f6c000 # [ 129.765529] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 129.775533] r4:00000039 # [ 129.778077] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 129.786094] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 129.794019] r9:c5f6df60 r8:c52ec3c0 r7:00000020 r6:b6e2d000 r5:c5b723c0 r4:c0c2f960 # [ 129.801776] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 129.809614] r9:c07f639c r8:c5f6df60 r7:c2816000 r6:b6e2d000 r5:c5b723c0 r4:00000000 # [ 129.817368] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 129.824510] r10:00000004 r9:00000000 r8:00000000 r7:b6e2d000 r6:c5f6c000 r5:c5b723c0 # [ 129.832344] r4:c5b723c0 # [ 129.834886] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 129.842030] r9:c5f6c000 r8:c03002e4 r7:00000004 r6:b6f74e00 r5:00000020 r4:00000020 # [ 129.849785] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 129.857361] Exception stack(0xc5f6dfa8 to 0xc5f6dff0) # [ 129.862423] dfa0: 00000020 00000020 00000001 b6e2d000 00000020 00000000 # [ 129.870609] dfc0: 00000020 00000020 b6f74e00 00000004 00000001 00000000 00020000 be823a54 # [ 129.878794] dfe0: 00000004 be823788 b6edf4cf b6e657e6 # [ 129.883921] irq event stamp: 0 # [ 129.887016] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 129.892606] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 129.900143] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 129.907680] softirqs last disabled at (0): [<00000000>] 0x0 # [ 129.913268] ---[ end trace a80c4e28b0995e15 ]--- # [ 129.917927] 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 [ 130.453731] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED [ 130.460680] lkdtm: attempting bad refcount_dec_and_test() from saturated [ 130.467436] ------------[ cut here ]------------ [ 130.472092] WARNING: CPU: 3 PID: 3206 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 [ 130.480776] refcount_t: underflow; use-after-free. [ 130.485602] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan parallel_display etnaviv can_dev imxdrm gpu_sched imx_ipu_v3 [ 130.514753] CPU: 3 PID: 3206 Comm: cat Tainted: G D W 5.10.158-cip21 #1 [ 130.522503] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 130.529035] Backtrace: [ 130.531507] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 130.539088] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f5f4 [ 130.544758] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 130.552079] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 130.559051] r9:00000009 r8:c086e99c r7:0000001c r6:00000009 r5:c086e99c r4:c1a20bf8 [ 130.566805] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 130.574294] r7:0000001c r6:c1a20bf8 r5:c1a20c34 r4:c6ad2000 [ 130.579967] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) [ 130.589021] r9:c1accd00 r8:c15e8784 r7:c6ad3f60 r6:00000020 r5:c5cde000 r4:c6ad2000 [ 130.596779] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) [ 130.607230] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x50/0x88) [ 130.618984] [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) [ 130.628988] r4:0000003a [ 130.631532] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 130.639551] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 130.647475] r9:c6ad3f60 r8:c52ec3c0 r7:00000020 r6:b6dcd000 r5:c5b5bb80 r4:c0c2f960 [ 130.655232] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 130.663070] r9:c07f639c r8:c6ad3f60 r7:c2816000 r6:b6dcd000 r5:c5b5bb80 r4:00000000 [ 130.670822] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 130.677966] r10:00000004 r9:00000000 r8:00000000 r7:b6dcd000 r6:c6ad2000 r5:c5b5bb80 [ 130.685800] r4:c5b5bb80 [ 130.688345] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 130.695489] r9:c6ad2000 r8:c03002e4 r7:00000004 r6:b6f14e00 r5:00000020 r4:00000020 [ 130.703244] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 130.710818] Exception stack(0xc6ad3fa8 to 0xc6ad3ff0) [ 130.715879] 3fa0: 00000020 00000020 00000001 b6dcd000 00000020 00000000 [ 130.724066] 3fc0: 00000020 00000020 b6f14e00 00000004 00000001 00000000 00020000 be9caa54 [ 130.732252] 3fe0: 00000004 be9ca788 b6e7f4cf b6e057e6 [ 130.737375] irq event stamp: 0 [ 130.740451] hardirqs last enabled at (0): [<00000000>] 0x0 [ 130.746044] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 130.753572] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 130.761099] softirqs last disabled at (0): [<00000000>] 0x0 [ 130.766682] ---[ end trace a80c4e28b0995e16 ]--- [ 130.771337] lkdtm: Saturation detected: still saturated # [ 130.453731] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 130.460680] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 130.467436] ------------[ cut here ]------------ # [ 130.472092] WARNING: CPU: 3 PID: 3206 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 130.480776] refcount_t: underflow; use-after-free. # [ 130.485602] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan parallel_display etnaviv can_dev imxdrm gpu_sched imx_ipu_v3 # [ 130.514753] CPU: 3 PID: 3206 Comm: cat Tainted: G D W 5.10.158-cip21 #1 # [ 130.522503] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 130.529035] Backtrace: # [ 130.531507] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 130.539088] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f5f4 # [ 130.544758] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 130.552079] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 130.559051] r9:00000009 r8:c086e99c r7:0000001c r6:00000009 r5:c086e99c r4:c1a20bf8 # [ 130.566805] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 130.574294] r7:0000001c r6:c1a20bf8 r5:c1a20c34 r4:c6ad2000 # [ 130.579967] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 130.589021] r9:c1accd00 r8:c15e8784 r7:c6ad3f60 r6:00000020 r5:c5cde000 r4:c6ad2000 # [ 130.596779] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 130.607230] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x50/0x88) # [ 130.618984] [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 130.628988] r4:0000003a # [ 130.631532] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 130.639551] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 130.647475] r9:c6ad3f60 r8:c52ec3c0 r7:00000020 r6:b6dcd000 r5:c5b5bb80 r4:c0c2f960 # [ 130.655232] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 130.663070] r9:c07f639c r8:c6ad3f60 r7:c2816000 r6:b6dcd000 r5:c5b5bb80 r4:00000000 # [ 130.670822] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 130.677966] r10:00000004 r9:00000000 r8:00000000 r7:b6dcd000 r6:c6ad2000 r5:c5b5bb80 # [ 130.685800] r4:c5b5bb80 # [ 130.688345] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 130.695489] r9:c6ad2000 r8:c03002e4 r7:00000004 r6:b6f14e00 r5:00000020 r4:00000020 # [ 130.703244] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 130.710818] Exception stack(0xc6ad3fa8 to 0xc6ad3ff0) # [ 130.715879] 3fa0: 00000020 00000020 00000001 b6dcd000 00000020 00000000 # [ 130.724066] 3fc0: 00000020 00000020 b6f14e00 00000004 00000001 00000000 00020000 be9caa54 # [ 130.732252] 3fe0: 00000004 be9ca788 b6e7f4cf b6e057e6 # [ 130.737375] irq event stamp: 0 # [ 130.740451] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 130.746044] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 130.753572] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 130.761099] softirqs last disabled at (0): [<00000000>] 0x0 # [ 130.766682] ---[ end trace a80c4e28b0995e16 ]--- # [ 130.771337] lkdtm: Saturation detected: still saturated # REFCOUNT_DEC_AND_TEST_SATURATED: saw 'Saturation detected: still saturated': ok ok 57 selftests: lkdtm: REFCOUNT_DEC_AND_TEST_SATURATED.sh # selftests: lkdtm: REFCOUNT_SUB_AND_TEST_SATURATED.sh [ 131.267656] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED [ 131.274557] lkdtm: attempting bad refcount_sub_and_test() from saturated [ 131.281381] ------------[ cut here ]------------ [ 131.286037] WARNING: CPU: 3 PID: 3241 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 [ 131.294613] refcount_t: underflow; use-after-free. [ 131.299470] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan parallel_display etnaviv can_dev imxdrm gpu_sched imx_ipu_v3 [ 131.328719] CPU: 3 PID: 3241 Comm: cat Tainted: G D W 5.10.158-cip21 #1 [ 131.336473] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 131.343008] Backtrace: [ 131.345488] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 131.353072] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f5f4 [ 131.358748] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 131.366074] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 131.373047] r9:00000009 r8:c086e99c r7:0000001c r6:00000009 r5:c086e99c r4:c1a20bf8 [ 131.380808] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 131.388301] r7:0000001c r6:c1a20bf8 r5:c1a20c34 r4:c6910000 [ 131.393980] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) [ 131.403038] r9:c1accd20 r8:c15e8784 r7:c6911f60 r6:00000020 r5:c6e95000 r4:c6910000 [ 131.410799] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) [ 131.421256] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x50/0x88) [ 131.433015] [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) [ 131.443021] r4:0000003b [ 131.445571] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 131.453591] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 131.461520] r9:c6911f60 r8:c52ec3c0 r7:00000020 r6:b6e16000 r5:c5aac8c0 r4:c0c2f960 [ 131.469283] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 131.477126] r9:c07f639c r8:c6911f60 r7:c2816000 r6:b6e16000 r5:c5aac8c0 r4:00000000 [ 131.484883] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 131.492032] r10:00000004 r9:00000000 r8:00000000 r7:b6e16000 r6:c6910000 r5:c5aac8c0 [ 131.499867] r4:c5aac8c0 [ 131.502414] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 131.509560] r9:c6910000 r8:c03002e4 r7:00000004 r6:b6f5de00 r5:00000020 r4:00000020 [ 131.517318] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 131.524896] Exception stack(0xc6911fa8 to 0xc6911ff0) [ 131.529961] 1fa0: 00000020 00000020 00000001 b6e16000 00000020 00000000 [ 131.538151] 1fc0: 00000020 00000020 b6f5de00 00000004 00000001 00000000 00020000 be91da54 [ 131.546338] 1fe0: 00000004 be91d788 b6ec84cf b6e4e7e6 [ 131.551462] irq event stamp: 0 [ 131.554539] hardirqs last enabled at (0): [<00000000>] 0x0 [ 131.560167] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 131.567705] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 131.575236] softirqs last disabled at (0): [<00000000>] 0x0 [ 131.580912] ---[ end trace a80c4e28b0995e17 ]--- [ 131.585559] lkdtm: Saturation detected: still saturated # [ 131.267656] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 131.274557] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 131.281381] ------------[ cut here ]------------ # [ 131.286037] WARNING: CPU: 3 PID: 3241 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 131.294613] refcount_t: underflow; use-after-free. # [ 131.299470] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan parallel_display etnaviv can_dev imxdrm gpu_sched imx_ipu_v3 # [ 131.328719] CPU: 3 PID: 3241 Comm: cat Tainted: G D W 5.10.158-cip21 #1 # [ 131.336473] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 131.343008] Backtrace: # [ 131.345488] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 131.353072] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f5f4 # [ 131.358748] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 131.366074] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 131.373047] r9:00000009 r8:c086e99c r7:0000001c r6:00000009 r5:c086e99c r4:c1a20bf8 # [ 131.380808] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 131.388301] r7:0000001c r6:c1a20bf8 r5:c1a20c34 r4:c6910000 # [ 131.393980] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 131.403038] r9:c1accd20 r8:c15e8784 r7:c6911f60 r6:00000020 r5:c6e95000 r4:c6910000 # [ 131.410799] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 131.421256] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x50/0x88) # [ 131.433015] [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 131.443021] r4:0000003b # [ 131.445571] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 131.453591] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 131.461520] r9:c6911f60 r8:c52ec3c0 r7:00000020 r6:b6e16000 r5:c5aac8c0 r4:c0c2f960 # [ 131.469283] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 131.477126] r9:c07f639c r8:c6911f60 r7:c2816000 r6:b6e16000 r5:c5aac8c0 r4:00000000 # [ 131.484883] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 131.492032] r10:00000004 r9:00000000 r8:00000000 r7:b6e16000 r6:c6910000 r5:c5aac8c0 # [ 131.499867] r4:c5aac8c0 # [ 131.502414] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 131.509560] r9:c6910000 r8:c03002e4 r7:00000004 r6:b6f5de00 r5:00000020 r4:00000020 # [ 131.517318] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 131.524896] Exception stack(0xc6911fa8 to 0xc6911ff0) # [ 131.529961] 1fa0: 00000020 00000020 00000001 b6e16000 00000020 00000000 # [ 131.538151] 1fc0: 00000020 00000020 b6f5de00 00000004 00000001 00000000 00020000 be91da54 # [ 131.546338] 1fe0: 00000004 be91d788 b6ec84cf b6e4e7e6 # [ 131.551462] irq event stamp: 0 # [ 131.554539] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 131.560167] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 131.567705] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 131.575236] softirqs last disabled at (0): [<00000000>] 0x0 # [ 131.580912] ---[ end trace a80c4e28b0995e17 ]--- # [ 131.585559] 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 [ 132.504245] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO [ 132.510429] lkdtm: attempting good copy_to_user of correct size [ 132.516462] lkdtm: attempting bad copy_to_user of too large size # [ 132.504245] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 132.510429] lkdtm: attempting good copy_to_user of correct size # [ 132.516462] 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 [ 132.948143] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM [ 132.954410] lkdtm: attempting good copy_from_user of correct size [ 132.960622] lkdtm: attempting bad copy_from_user of too large size # [ 132.948143] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 132.954410] lkdtm: attempting good copy_from_user of correct size # [ 132.960622] 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 [ 133.389333] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO [ 133.395827] lkdtm: attempting good copy_to_user inside whitelist [ 133.401978] lkdtm: attempting bad copy_to_user outside whitelist # [ 133.389333] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 133.395827] lkdtm: attempting good copy_to_user inside whitelist # [ 133.401978] 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 [ 133.839640] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM [ 133.846356] lkdtm: attempting good copy_from_user inside whitelist [ 133.852724] lkdtm: attempting bad copy_from_user outside whitelist # [ 133.839640] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 133.846356] lkdtm: attempting good copy_from_user inside whitelist # [ 133.852724] lkdtm: attempting bad copy_from_user outside whitelist # USERCOPY_HEAP_WHITELIST_FROM: missing 'call trace:': [FAIL] not ok 64 selftests: lkdtm: USERCOPY_HEAP_WHITELIST_FROM.sh # exit=1 # selftests: lkdtm: USERCOPY_STACK_FRAME_TO.sh [ 134.286386] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO [ 134.292647] lkdtm: good_stack: c6b1be0c-c6b1be2c [ 134.297343] lkdtm: bad_stack : c6b1bd84-c6b1bda4 [ 134.301993] lkdtm: attempting good copy_to_user of local stack [ 134.307928] lkdtm: attempting bad copy_to_user of distant stack # [ 134.286386] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 134.292647] lkdtm: good_stack: c6b1be0c-c6b1be2c # [ 134.297343] lkdtm: bad_stack : c6b1bd84-c6b1bda4 # [ 134.301993] lkdtm: attempting good copy_to_user of local stack # [ 134.307928] 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 [ 134.743902] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM [ 134.750352] lkdtm: good_stack: c5b25e0c-c5b25e2c [ 134.754986] lkdtm: bad_stack : c5b25d84-c5b25da4 [ 134.759811] lkdtm: attempting good copy_from_user of local stack [ 134.765874] lkdtm: attempting bad copy_from_user of distant stack # [ 134.743902] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 134.750352] lkdtm: good_stack: c5b25e0c-c5b25e2c # [ 134.754986] lkdtm: bad_stack : c5b25d84-c5b25da4 # [ 134.759811] lkdtm: attempting good copy_from_user of local stack # [ 134.765874] lkdtm: attempting bad copy_from_user of distant stack # USERCOPY_STACK_FRAME_FROM: missing 'call trace:': [FAIL] not ok 66 selftests: lkdtm: USERCOPY_STACK_FRAME_FROM.sh # exit=1 # selftests: lkdtm: USERCOPY_STACK_BEYOND.sh [ 135.194052] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND [ 135.200138] lkdtm: good_stack: c6d73e0c-c6d73e2c [ 135.204771] lkdtm: bad_stack : c6d73ffc-c6d7401c [ 135.209495] lkdtm: attempting good copy_to_user of local stack [ 135.215404] lkdtm: attempting bad copy_to_user of distant stack # [ 135.194052] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 135.200138] lkdtm: good_stack: c6d73e0c-c6d73e2c # [ 135.204771] lkdtm: bad_stack : c6d73ffc-c6d7401c # [ 135.209495] lkdtm: attempting good copy_to_user of local stack # [ 135.215404] 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 [ 135.652789] lkdtm: Performing direct entry USERCOPY_KERNEL [ 135.658391] lkdtm: attempting good copy_to_user from kernel rodata: c15e8a30 [ 135.665485] lkdtm: attempting bad copy_to_user from kernel text: c053a61c [ 135.672330] lkdtm: FAIL: survived bad copy_to_user() # [ 135.652789] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 135.658391] lkdtm: attempting good copy_to_user from kernel rodata: c15e8a30 # [ 135.665485] lkdtm: attempting bad copy_to_user from kernel text: c053a61c # [ 135.672330] lkdtm: FAIL: survived bad copy_to_user() # USERCOPY_KERNEL: missing 'call trace:': [FAIL] not ok 68 selftests: lkdtm: USERCOPY_KERNEL.sh # exit=1 # selftests: lkdtm: STACKLEAK_ERASING.sh [ 136.111391] lkdtm: Performing direct entry STACKLEAK_ERASING [ 136.117128] lkdtm: checking unused part of the thread stack (7732 bytes)... [ 136.124139] lkdtm: FAIL: the erased part is not found (checked 7732 bytes) [ 136.131072] lkdtm: FAIL: the thread stack is NOT properly erased [ 136.137243] CPU: 0 PID: 3606 Comm: cat Tainted: G D W 5.10.158-cip21 #1 [ 136.145004] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 136.151537] Backtrace: [ 136.154012] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 136.161591] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f5f4 [ 136.167263] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 136.174590] [] (dump_stack) from [] (lkdtm_STACKLEAK_ERASING+0x148/0x174) [ 136.183125] r9:c1acce28 r8:c15e8784 r7:c5c4df60 r6:c5c4de34 r5:c5c4c000 r4:0000078d [ 136.190886] [] (lkdtm_STACKLEAK_ERASING) from [] (lkdtm_do_action+0x2c/0x4c) [ 136.199679] r8:c15e8784 r7:c5c4df60 r6:00000012 r5:c5c46000 r4:00000046 [ 136.206393] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 136.214411] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 136.222338] r9:c5c4df60 r8:c52ec3c0 r7:00000012 r6:b6e91000 r5:c6bda780 r4:c0c2f960 [ 136.230096] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 136.237934] r9:c07f639c r8:c5c4df60 r7:c2816000 r6:b6e91000 r5:c6bda780 r4:00000000 [ 136.245686] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 136.252829] r10:00000004 r9:00000000 r8:00000000 r7:b6e91000 r6:c5c4c000 r5:c6bda780 [ 136.260662] r4:c6bda780 [ 136.263206] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 136.270350] r9:c5c4c000 r8:c03002e4 r7:00000004 r6:b6fd8e00 r5:00000012 r4:00000012 [ 136.278104] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 136.285679] Exception stack(0xc5c4dfa8 to 0xc5c4dff0) [ 136.290740] dfa0: 00000012 00000012 00000001 b6e91000 00000012 00000000 [ 136.298927] dfc0: 00000012 00000012 b6fd8e00 00000004 00000001 00000000 00020000 beefba54 [ 136.307109] dfe0: 00000004 beefb788 b6f434cf b6ec97e6 # [ 136.111391] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 136.117128] lkdtm: checking unused part of the thread stack (7732 bytes)... # [ 136.124139] lkdtm: FAIL: the erased part is not found (checked 7732 bytes) # [ 136.131072] lkdtm: FAIL: the thread stack is NOT properly erased # [ 136.137243] CPU: 0 PID: 3606 Comm: cat Tainted: G D W 5.10.158-cip21 #1 # [ 136.145004] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 136.151537] Backtrace: # [ 136.154012] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 136.161591] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f5f4 # [ 136.167263] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 136.174590] [] (dump_stack) from [] (lkdtm_STACKLEAK_ERASING+0x148/0x174) # [ 136.183125] r9:c1acce28 r8:c15e8784 r7:c5c4df60 r6:c5c4de34 r5:c5c4c000 r4:0000078d # [ 136.190886] [] (lkdtm_STACKLEAK_ERASING) from [] (lkdtm_do_action+0x2c/0x4c) # [ 136.199679] r8:c15e8784 r7:c5c4df60 r6:00000012 r5:c5c46000 r4:00000046 # [ 136.206393] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 136.214411] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 136.222338] r9:c5c4df60 r8:c52ec3c0 r7:00000012 r6:b6e91000 r5:c6bda780 r4:c0c2f960 # [ 136.230096] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 136.237934] r9:c07f639c r8:c5c4df60 r7:c2816000 r6:b6e91000 r5:c6bda780 r4:00000000 # [ 136.245686] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 136.252829] r10:00000004 r9:00000000 r8:00000000 r7:b6e91000 r6:c5c4c000 r5:c6bda780 # [ 136.260662] r4:c6bda780 # [ 136.263206] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 136.270350] r9:c5c4c000 r8:c03002e4 r7:00000004 r6:b6fd8e00 r5:00000012 r4:00000012 # [ 136.278104] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 136.285679] Exception stack(0xc5c4dfa8 to 0xc5c4dff0) # [ 136.290740] dfa0: 00000012 00000012 00000001 b6e91000 00000012 00000000 # [ 136.298927] dfc0: 00000012 00000012 b6fd8e00 00000004 00000001 00000000 00020000 beefba54 # [ 136.307109] dfe0: 00000004 beefb788 b6f434cf b6ec97e6 # 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 [ 136.770543] lkdtm: Performing direct entry CFI_FORWARD_PROTO [ 136.776227] lkdtm: Calling matched prototype ... [ 136.780918] lkdtm: Calling mismatched prototype ... [ 136.785813] lkdtm: Fail: survived mismatched prototype function call! # [ 136.770543] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 136.776227] lkdtm: Calling matched prototype ... # [ 136.780918] lkdtm: Calling mismatched prototype ... # [ 136.785813] lkdtm: Fail: survived mismatched prototype function call! # CFI_FORWARD_PROTO: missing 'call trace:': [FAIL] not ok 70 selftests: lkdtm: CFI_FORWARD_PROTO.sh # exit=1 + ../../utils/send-to-lava.sh ./output/result.txt + set +x / #