[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 8435995/tftp-deploy-fhjc3cyy/kernel/zImage tftp 0x10000000 8435995/tftp-deploy-fhjc3cyy/kernel/zImage Using FEC device TFTP from server 192.168.101.1; our IP address is 192.168.101.99 Filename '8435995/tftp-deploy-fhjc3cyy/kernel/zImage'. Load address: 0x10000000 Loading: *################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ############################################################# 2.3 MiB/s done Bytes transferred = 12341760 (bc5200 hex) => tftp 0x14000000 8435995/tftp-deploy-fhjc3cyy/ramdisk/ramdisk.cpio.gz.uboot tftp 0x14000000 8435995/tftp-deploy-fhjc3cyy/ramdisk/ramdisk.cpio.gz.uboot Using FEC device TFTP from server 192.168.101.1; our IP address is 192.168.101.99 Filename '8435995/tftp-deploy-fhjc3cyy/ramdisk/ramdisk.cpio.gz.uboot'. Load address: 0x14000000 Loading: *################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ############ 2.8 MiB/s done Bytes transferred = 15430944 (eb7520 hex) => setenv initrd_size ${filesize} setenv initrd_size ${filesize} => tftp 0x13f00000 8435995/tftp-deploy-fhjc3cyy/dtb/imx6q-sabrelite.dtb tftp 0x13f00000 8435995/tftp-deploy-fhjc3cyy/dtb/imx6q-sabrelite.dtb Using FEC device TFTP from server 192.168.101.1; our IP address is 192.168.101.99 Filename '8435995/tftp-deploy-fhjc3cyy/dtb/imx6q-sabrelite.dtb'. Load address: 0x13f00000 Loading: *### 2.1 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/8435995/extract-nfsrootfs-gahl48g0,tcp,hard ip=dhcp' setenv bootargs 'console=ttymxc1,115200n8 root=/dev/nfs rw nfsroot=192.168.101.1:/var/lib/lava/dispatcher/tmp/8435995/extract-nfsrootfs-gahl48g0,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: 15430880 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 5.10.161-cip22 (KernelCI@build-j734028-arm-gcc-10-multi-v7-defconfig-kselftest-ts5th) (arm-linux-gnueabihf-gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Wed Dec 21 19:17:39 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/8435995/extract-nfsrootfs-gahl48g0,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 55442 entries in 163 pages [ 0.000000] ftrace: allocated 163 pages with 4 groups [ 0.000000] Running RCU self tests [ 0.000000] rcu: Hierarchical RCU implementation. [ 0.000000] rcu: RCU event tracing is enabled. [ 0.000000] rcu: RCU lockdep checking is enabled. [ 0.000000] rcu: RCU restricting CPUs from NR_CPUS=16 to nr_cpu_ids=4. [ 0.000000] Rude variant of Tasks RCU enabled. [ 0.000000] Tracing variant of Tasks RCU enabled. [ 0.000000] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. [ 0.000000] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4 [ 0.000000] NR_IRQS: 16, nr_irqs: 16, preallocated irqs: 16 [ 0.000000] L2C-310 errata 752271 769419 enabled [ 0.000000] L2C-310 enabling early BRESP for Cortex-A9 [ 0.000000] L2C-310 full line of zeros enabled for Cortex-A9 [ 0.000000] L2C-310 ID prefetch enabled, offset 16 lines [ 0.000000] L2C-310 dynamic clock gating enabled, standby mode enabled [ 0.000000] L2C-310 cache controller enabled, 16 ways, 1024 kB [ 0.000000] L2C-310: CACHE_ID 0x410000c7, AUX_CTRL 0x76470001 [ 0.000000] Switching to timer-based delay loop, resolution 333ns [ 0.000008] sched_clock: 32 bits at 3000kHz, resolution 333ns, wraps every 715827882841ns [ 0.000040] clocksource: mxc_timer1: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 637086815595 ns [ 0.004525] Console: colour dummy device 80x30 [ 0.004592] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 0.004625] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 0.004652] ... MAX_LOCK_DEPTH: 48 [ 0.004678] ... MAX_LOCKDEP_KEYS: 8192 [ 0.004704] ... CLASSHASH_SIZE: 4096 [ 0.004730] ... MAX_LOCKDEP_ENTRIES: 32768 [ 0.004755] ... MAX_LOCKDEP_CHAINS: 65536 [ 0.004780] ... CHAINHASH_SIZE: 32768 [ 0.004805] memory used by lock dependency info: 4061 kB [ 0.004831] memory used for stack traces: 2112 kB [ 0.004857] per task-struct memory footprint: 1536 bytes [ 0.004955] Calibrating delay loop (skipped), value calculated using timer frequency.. 6.00 BogoMIPS (lpj=30000) [ 0.005007] pid_max: default: 32768 minimum: 301 [ 0.005392] LSM: Security Framework initializing [ 0.005500] LSM support for eBPF active [ 0.005646] Mount-cache hash table entries: 2048 (order: 1, 8192 bytes, linear) [ 0.005696] Mountpoint-cache hash table entries: 2048 (order: 1, 8192 bytes, linear) [ 0.008244] CPU: Testing write buffer coherency: ok [ 0.008366] CPU0: Spectre v2: using BPIALL workaround [ 0.009474] CPU0: thread -1, cpu 0, socket 0, mpidr 80000000 [ 0.013407] Setting up static identity map for 0x10300000 - 0x103000ac [ 0.015849] rcu: Hierarchical SRCU implementation. [ 0.025494] EFI services will not be available. [ 0.026820] smp: Bringing up secondary CPUs ... [ 0.030190] CPU1: thread -1, cpu 1, socket 0, mpidr 80000001 [ 0.030206] CPU1: Spectre v2: using BPIALL workaround [ 0.034280] CPU2: thread -1, cpu 2, socket 0, mpidr 80000002 [ 0.034296] CPU2: Spectre v2: using BPIALL workaround [ 0.038021] CPU3: thread -1, cpu 3, socket 0, mpidr 80000003 [ 0.038035] CPU3: Spectre v2: using BPIALL workaround [ 0.039139] smp: Brought up 1 node, 4 CPUs [ 0.039187] SMP: Total of 4 processors activated (24.00 BogoMIPS). [ 0.039223] CPU: All CPU(s) started in SVC mode. [ 0.041871] devtmpfs: initialized [ 0.099276] VFP support v0.3: implementor 41 architecture 3 part 30 variant 9 rev 4 [ 0.101923] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 0.101997] futex hash table entries: 1024 (order: 4, 65536 bytes, linear) [ 0.106750] pinctrl core: initialized pinctrl subsystem [ 0.113733] DMI not present or invalid. [ 0.116082] NET: Registered protocol family 16 [ 0.127677] DMA: preallocated 256 KiB pool for atomic coherent allocations [ 0.137237] thermal_sys: Registered thermal governor 'step_wise' [ 0.137789] cpuidle: using governor menu [ 0.138313] CPU identified as i.MX6Q, silicon rev 1.2 [ 0.893973] vdd1p1: supplied by regulator-dummy [ 0.926131] vdd3p0: supplied by regulator-dummy [ 0.957889] vdd2p5: supplied by regulator-dummy [ 0.989699] vddarm: supplied by regulator-dummy [ 1.022419] vddpu: supplied by regulator-dummy [ 1.053222] vddsoc: supplied by regulator-dummy [ 2.400958] No ATAGs? [ 2.401875] hw-breakpoint: found 5 (+1 reserved) breakpoint and 1 watchpoint registers. [ 2.401960] hw-breakpoint: maximum watchpoint size is 4 bytes. [ 2.422318] imx6q-pinctrl 20e0000.pinctrl: initialized IMX pinctrl driver [ 2.452851] Serial: AMBA PL011 UART driver [ 2.518811] Kprobes globally optimized [ 2.639515] iommu: Default domain type: Translated [ 2.641692] vgaarb: loaded [ 2.646704] SCSI subsystem initialized [ 2.648921] usbcore: registered new interface driver usbfs [ 2.649234] usbcore: registered new interface driver hub [ 2.649474] usbcore: registered new device driver usb [ 2.657324] i2c i2c-0: IMX I2C adapter registered [ 2.664551] i2c i2c-1: IMX I2C adapter registered [ 2.669122] i2c i2c-2: IMX I2C adapter registered [ 2.673839] pps_core: LinuxPPS API ver. 1 registered [ 2.673880] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 2.673980] PTP clock support registered [ 2.692306] clocksource: Switched to clocksource mxc_timer1 [ 4.431299] NET: Registered protocol family 2 [ 4.432242] IP idents hash table entries: 16384 (order: 5, 131072 bytes, linear) [ 4.435712] tcp_listen_portaddr_hash hash table entries: 512 (order: 2, 22528 bytes, linear) [ 4.435898] TCP established hash table entries: 8192 (order: 3, 32768 bytes, linear) [ 4.436126] TCP bind hash table entries: 8192 (order: 6, 327680 bytes, linear) [ 4.437566] TCP: Hash tables configured (established 8192 bind 8192) [ 4.438651] MPTCP token hash table entries: 1024 (order: 3, 49152 bytes, linear) [ 4.439000] UDP hash table entries: 512 (order: 3, 49152 bytes, linear) [ 4.439261] UDP-Lite hash table entries: 512 (order: 3, 49152 bytes, linear) [ 4.440010] NET: Registered protocol family 1 [ 4.443025] RPC: Registered named UNIX socket transport module. [ 4.443119] RPC: Registered udp transport module. [ 4.443158] RPC: Registered tcp transport module. [ 4.443198] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 4.443252] NET: Registered protocol family 44 [ 4.443321] PCI: CLS 0 bytes, default 64 [ 4.445839] Trying to unpack rootfs image as initramfs... [ 6.345435] Freeing initrd memory: 15072K [ 6.346423] hw perfevents: no interrupt-affinity property for /pmu, guessing. [ 6.347712] hw perfevents: enabled with armv7_cortex_a9 PMU driver, 7 counters available [ 6.356915] Initialise system trusted keyrings [ 6.358350] workingset: timestamp_bits=30 max_order=18 bucket_order=0 [ 6.409453] squashfs: version 4.0 (2009/01/31) Phillip Lougher [ 6.413603] NFS: Registering the id_resolver key type [ 6.413868] Key type id_resolver registered [ 6.413958] Key type id_legacy registered [ 6.414613] nfs4filelayout_init: NFSv4 File Layout Driver Registering... [ 6.414719] nfs4flexfilelayout_init: NFSv4 Flexfile Layout Driver Registering... [ 6.414922] ntfs: driver 2.1.32 [Flags: R/O]. [ 6.417180] Key type asymmetric registered [ 6.417310] Asymmetric key parser 'x509' registered [ 6.417760] bounce: pool size: 64 pages [ 6.417938] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 247) [ 6.418045] io scheduler mq-deadline registered [ 6.418089] io scheduler kyber registered [ 6.419022] test_firmware: interface ready [ 6.606129] mxs-dma 110000.dma-apbh: initialized [ 6.673694] imx-sdma 20ec000.sdma: Direct firmware load for imx/sdma/sdma-imx6q.bin failed with error -2 [ 6.673951] imx-sdma 20ec000.sdma: external firmware not found, using ROM firmware [ 6.933208] Serial: 8250/16550 driver, 5 ports, IRQ sharing enabled [ 6.954464] SuperH (H)SCI(F) driver initialized [ 6.957537] 2020000.serial: ttymxc0 at MMIO 0x2020000 (irq = 34, base_baud = 5000000) is a IMX [ 6.962898] 21e8000.serial: ttymxc1 at MMIO 0x21e8000 (irq = 81, base_baud = 5000000) is a IMX [ 7.894790] printk: console [ttymxc1] enabled [ 7.905856] msm_serial: driver initialized [ 7.911102] STMicroelectronics ASC driver initialized [ 7.923193] STM32 USART driver initialized [ 7.950685] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 0 [ 7.973616] panel-simple panel-lcd: supply power not found, using dummy regulator [ 7.982130] panel-simple panel-lcd: Specify missing connector_type [ 7.989998] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 8.046796] brd: module loaded [ 8.109683] loop: module loaded [ 8.116330] lkdtm: No crash points registered, enable through debugfs [ 8.139249] ahci-imx 2200000.sata: fsl,transmit-level-mV not specified, using 00000024 [ 8.147299] ahci-imx 2200000.sata: fsl,transmit-boost-mdB not specified, using 00000480 [ 8.155414] ahci-imx 2200000.sata: fsl,transmit-atten-16ths not specified, using 00002000 [ 8.163698] ahci-imx 2200000.sata: fsl,receive-eq-mdB not specified, using 05000000 [ 8.171706] ahci-imx 2200000.sata: supply ahci not found, using dummy regulator [ 8.180054] ahci-imx 2200000.sata: supply phy not found, using dummy regulator [ 8.187916] ahci-imx 2200000.sata: supply target not found, using dummy regulator [ 8.199324] ahci-imx 2200000.sata: SSS flag set, parallel bus scan disabled [ 8.206456] ahci-imx 2200000.sata: AHCI 0001.0300 32 slots 1 ports 3 Gbps 0x1 impl platform mode [ 8.215355] ahci-imx 2200000.sata: flags: ncq sntf stag pm led clo only pmp pio slum part ccc apst [ 8.229777] scsi host0: ahci-imx [ 8.235494] ata1: SATA max UDMA/133 mmio [mem 0x02200000-0x02203fff] port 0x100 irq 84 [ 8.303912] bgmac_bcma: Broadcom 47xx GBit MAC driver loaded [ 8.317730] pps pps0: new PPS source ptp0 [ 8.364379] fec 2188000.ethernet eth0: registered PHC device 0 [ 8.375353] e1000e: Intel(R) PRO/1000 Network Driver [ 8.380359] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. [ 8.386621] igb: Intel(R) Gigabit Ethernet Network Driver [ 8.392112] igb: Copyright (c) 2007-2014 Intel Corporation. [ 8.421182] pegasus: v0.9.3 (2013/04/25), Pegasus/Pegasus II USB Ethernet driver [ 8.428871] usbcore: registered new interface driver pegasus [ 8.434854] usbcore: registered new interface driver asix [ 8.440435] usbcore: registered new interface driver ax88179_178a [ 8.446762] usbcore: registered new interface driver cdc_ether [ 8.452900] usbcore: registered new interface driver smsc75xx [ 8.458896] usbcore: registered new interface driver smsc95xx [ 8.464892] usbcore: registered new interface driver net1080 [ 8.470730] usbcore: registered new interface driver cdc_subset [ 8.476885] usbcore: registered new interface driver zaurus [ 8.482806] usbcore: registered new interface driver cdc_ncm [ 8.502057] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 8.508701] ehci-pci: EHCI PCI platform driver [ 8.513428] ehci-platform: EHCI generic platform driver [ 8.519768] ehci-orion: EHCI orion driver [ 8.524835] SPEAr-ehci: EHCI SPEAr driver [ 8.529790] ehci-st: EHCI STMicroelectronics driver [ 8.535669] ehci-exynos: EHCI Exynos driver [ 8.540810] ehci-atmel: EHCI Atmel driver [ 8.545856] tegra-ehci: Tegra EHCI driver [ 8.550854] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 8.557195] ohci-pci: OHCI PCI platform driver [ 8.561833] ohci-platform: OHCI generic platform driver [ 8.568154] SPEAr-ohci: OHCI SPEAr driver [ 8.573169] ohci-st: OHCI STMicroelectronics driver [ 8.578990] ohci-atmel: OHCI Atmel driver [ 8.586771] usbcore: registered new interface driver usb-storage [ 8.627615] i2c /dev entries driver [ 8.719079] sdhci: Secure Digital Host Controller Interface driver [ 8.725377] sdhci: Copyright(c) Pierre Ossman [ 8.740033] Synopsys Designware Multimedia Card Interface Driver [ 8.752204] ata1: SATA link up 3.0 Gbps (SStatus 123 SControl 300) [ 8.754121] sdhci-pltfm: SDHCI platform and OF driver helper [ 8.759085] ata1.00: ATA-8: INTEL SSDSA2CW080G3, 4PC10362, max UDMA/133 [ 8.768061] sdhci-esdhc-imx 2198000.mmc: Got CD GPIO [ 8.770873] ata1.00: 156301488 sectors, multi 1: LBA48 NCQ (depth 32) [ 8.782842] sdhci-esdhc-imx 2198000.mmc: Got WP GPIO [ 8.782908] ata1.00: configured for UDMA/133 [ 8.783193] sdhci-esdhc-imx 219c000.mmc: Got CD GPIO [ 8.797734] ledtrig-cpu: registered to indicate activity on CPUs [ 8.799605] scsi 0:0:0:0: Direct-Access ATA INTEL SSDSA2CW08 0362 PQ: 0 ANSI: 5 [ 8.807840] usbcore: registered new interface driver usbhid [ 8.817695] usbhid: USB HID core driver [ 8.819027] ata1.00: Enabling discard_zeroes_data [ 8.823321] mmc2: SDHCI controller on 2198000.mmc [2198000.mmc] using ADMA [ 8.825721] mmc3: SDHCI controller on 219c000.mmc [219c000.mmc] using ADMA [ 8.827873] sd 0:0:0:0: [sda] 156301488 512-byte logical blocks: (80.0 GB/74.5 GiB) [ 8.848271] sd 0:0:0:0: [sda] Write Protect is off [ 8.848833] ipip: IPv4 and MPLS over IPv4 tunneling driver [ 8.853602] sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA [ 8.861200] gre: GRE over IPv4 demultiplexor driver [ 8.872790] ip_gre: GRE over IPv4 tunneling driver [ 8.873181] mmc2: new high speed SDHC card at address 0001 [ 8.884007] IPv4 over IPsec tunneling driver [ 8.887212] mmcblk2: mmc2:0001 SD 14.6 GiB [ 8.893741] NET: Registered protocol family 10 [ 8.903789] ata1.00: Enabling discard_zeroes_data [ 8.905322] Segment Routing with IPv6 [ 8.913074] sda: sda1 sda2 sda3 [ 8.915560] GPT:Primary header thinks Alt. header is not at the end of the disk. [ 8.919830] ip6_gre: GRE over IPv6 tunneling driver [ 8.924041] GPT:29296874 != 30560255 [ 8.932092] NET: Registered protocol family 17 [ 8.932607] GPT:Alternate GPT header not at the end of the disk. [ 8.938702] Key type dns_resolver registered [ 8.943058] GPT:29296874 != 30560255 [ 8.943077] GPT: Use GNU Parted to correct GPT errors. [ 8.943165] mmcblk2: p1 p2 p3 [ 8.946680] ata1.00: Enabling discard_zeroes_data [ 8.949231] sd 0:0:0:0: [sda] Attached SCSI disk [ 8.967102] ThumbEE CPU extension supported. [ 8.973322] Registering SWP/SWPB emulation handler [ 8.981944] Loading compiled-in X.509 certificates [ 9.171026] panel-simple panel-lcd: supply power not found, using dummy regulator [ 9.179483] panel-simple panel-lcd: Specify missing connector_type [ 9.192984] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 9.229775] imx_usb 2184200.usb: No over current polarity defined [ 9.243222] ci_hdrc ci_hdrc.1: EHCI Host Controller [ 9.248464] ci_hdrc ci_hdrc.1: new USB bus registered, assigned bus number 1 [ 9.282764] ci_hdrc ci_hdrc.1: USB 2.0 started, EHCI 1.00 [ 9.304280] hub 1-0:1.0: USB hub found [ 9.308525] hub 1-0:1.0: 1 port detected [ 9.325000] imx_thermal 20c8000.anatop:tempmon: Automotive CPU temperature grade - max:125C critical:120C passive:115C [ 9.358020] panel-simple panel-lcd: supply power not found, using dummy regulator [ 9.366364] panel-simple panel-lcd: Specify missing connector_type [ 9.379738] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 9.411097] panel-simple panel-lcd: supply power not found, using dummy regulator [ 9.419474] panel-simple panel-lcd: Specify missing connector_type [ 9.432923] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 9.452501] input: gpio-keys as /devices/platform/gpio-keys/input/input0 [ 9.498198] panel-simple panel-lcd: supply power not found, using dummy regulator [ 9.506811] panel-simple panel-lcd: Specify missing connector_type [ 9.522639] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 9.547257] 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) [ 9.563174] IP-Config: Failed to open gretap0 [ 9.567592] IP-Config: Failed to open erspan0 [ 9.592133] Sending DHCP requests . [ 9.712416] usb 1-1: new high-speed USB device number 2 using ci_hdrc [ 9.931807] hub 1-1:1.0: USB hub found [ 9.936276] hub 1-1:1.0: 3 ports detected [ 9.971942] panel-simple panel-lcd: supply power not found, using dummy regulator [ 9.980520] panel-simple panel-lcd: Specify missing connector_type [ 9.996585] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 11.673882] fec 2188000.ethernet eth0: Link is Up - 100Mbps/Full - flow control rx/tx [ 11.682857] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready [ 11.902349] ., OK [ 11.944924] IP-Config: Got DHCP answer from 192.168.101.1, my address is 192.168.101.99 [ 11.953176] IP-Config: Complete: [ 11.956492] device=eth0, hwaddr=00:19:b8:07:40:03, ipaddr=192.168.101.99, mask=255.255.255.0, gw=192.168.101.1 [ 11.967205] host=imx6q-sabrelite-cbg-0, domain=lava.cbg.collabora.co.uk, nis-domain=(none) [ 11.976085] bootserver=192.168.101.1, rootserver=192.168.101.1, rootpath= [ 11.976135] nameserver0=192.168.101.1 [ 12.049077] Freeing unused kernel memory: 2048K [ 12.094104] Run /init as init process Loading, please wait... Starting version 247.3-7+deb11u1 [ 16.247327] imx-ipuv3 2400000.ipu: IPUv3H probed [ 16.291212] panel-simple panel-lcd: supply power not found, using dummy regulator [ 16.299844] panel-simple panel-lcd: Specify missing connector_type [ 16.309748] imx-ipuv3 2800000.ipu: IPUv3H probed [ 16.329874] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 16.373437] panel-simple panel-lcd: supply power not found, using dummy regulator [ 16.381840] panel-simple panel-lcd: Specify missing connector_type [ 16.401376] CAN device driver interface [ 16.403998] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 16.454120] etnaviv etnaviv: bound 130000.gpu (ops gpu_ops [etnaviv]) [ 16.468757] panel-simple panel-lcd: supply power not found, using dummy regulator [ 16.477198] panel-simple panel-lcd: Specify missing connector_type [ 16.482316] etnaviv etnaviv: bound 134000.gpu (ops gpu_ops [etnaviv]) [ 16.496414] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 16.505811] etnaviv etnaviv: bound 2204000.gpu (ops gpu_ops [etnaviv]) [ 16.512483] etnaviv-gpu 130000.gpu: model: GC2000, revision: 5108 [ 16.527716] etnaviv-gpu 134000.gpu: model: GC320, revision: 5007 [ 16.537882] etnaviv-gpu 2204000.gpu: model: GC355, revision: 1215 [ 16.544212] etnaviv-gpu 2204000.gpu: Ignoring GPU with VG and FE2.0 [ 16.555816] [drm] Initialized etnaviv 1.3.0 20151214 for etnaviv on minor 1 [ 16.572427] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) [ 16.575591] panel-simple panel-lcd: supply power not found, using dummy regulator [ 16.581142] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) [ 16.589107] panel-simple panel-lcd: Specify missing connector_type [ 16.598625] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) [ 16.611032] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 16.611431] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) [ 16.655115] caam 2100000.crypto: Entropy delay = 3200 [ 16.689415] panel-simple panel-lcd: supply power not found, using dummy regulator [ 16.721040] caam 2100000.crypto: Instantiated RNG4 SH0 [ 16.737531] panel-simple panel-lcd: Specify missing connector_type [ 16.763678] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 16.781830] caam 2100000.crypto: Instantiated RNG4 SH1 [ 16.787158] caam 2100000.crypto: device ID = 0x0a16010000000000 (Era 4) [ 16.793887] caam 2100000.crypto: job rings = 2, qi = 0 [ 16.821015] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) [ 16.829958] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) [ 16.838633] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) [ 16.847302] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) [ 16.857280] usb_phy_generic usbphynop1: supply vcc not found, using dummy regulator [ 16.878445] usb_phy_generic usbphynop1: dummy supplies not allowed for exclusive requests [ 16.887960] usb_phy_generic usbphynop2: supply vcc not found, using dummy regulator [ 16.920746] usb_phy_generic usbphynop2: dummy supplies not allowed for exclusive requests [ 16.923043] panel-simple panel-lcd: supply power not found, using dummy regulator [ 16.937413] panel-simple panel-lcd: Specify missing connector_type [ 16.944992] sgtl5000 0-000a: sgtl5000 revision 0x11 [ 16.958691] sgtl5000 0-000a: Using internal LDO instead of VDDD: check ER1 erratum [ 16.964579] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 17.033517] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) [ 17.042324] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) [ 17.050905] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) [ 17.059724] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) [ 17.096154] panel-simple panel-lcd: supply power not found, using dummy regulator [ 17.120134] panel-simple panel-lcd: Specify missing connector_type [ 17.134581] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 17.203091] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) [ 17.211576] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) [ 17.220251] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) [ 17.228807] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) [ 17.773775] caam algorithms registered in /proc/crypto [ 17.784221] caam 2100000.crypto: registering rng-caam [ 17.914179] random: crng init done [ 17.932611] panel-simple panel-lcd: supply power not found, using dummy regulator [ 17.941543] panel-simple panel-lcd: Specify missing connector_type [ 17.955200] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 17.987375] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) [ 17.995890] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) [ 18.004472] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) [ 18.012967] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) [ 18.036424] panel-simple panel-lcd: supply power not found, using dummy regulator [ 18.044880] panel-simple panel-lcd: Specify missing connector_type [ 18.058482] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 18.087793] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) [ 18.096312] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) [ 18.105040] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) [ 18.113562] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) Begin: Loading essential drivers ... done. Begin: Running /scripts/init-premount ... done. Begin: Mounting root file system ... Begin: Running /scripts/nfs-top ... done. Begin: Running /scripts/nfs-premount ... Waiting up to 60 secs for any ethernet to become available Device /sys/class/net/erspan0 found 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. [ 21.354799] systemd[1]: System time before build time, advancing clock. [ 21.603050] 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) [ 21.644714] systemd[1]: Detected architecture arm. Welcome to Debian GNU/Linux 11 (bullseye)! [ 21.710022] systemd[1]: Set hostname to . [ 23.592459] systemd[1]: Queued start job for default target Graphical Interface. [ 23.608331] systemd[1]: Created slice system-getty.slice. [ OK ] Created slice system-getty.slice. [ 23.657857] systemd[1]: Created slice system-modprobe.slice. [ OK ] Created slice system-modprobe.slice. [ 23.707979] systemd[1]: Created slice system-serial\x2dgetty.slice. [ OK ] Created slice system-serial\x2dgetty.slice. [ 23.757112] systemd[1]: Created slice User and Session Slice. [ OK ] Created slice User and Session Slice. [ 23.806887] systemd[1]: Started Dispatch Password Requests to Console Directory Watch. [ OK ] Started Dispatch Password …ts to Console Directory Watch. [ 23.866010] systemd[1]: Started Forward Password Requests to Wall Directory Watch. [ OK ] Started Forward Password R…uests to Wall Directory Watch. [ 23.915158] systemd[1]: Condition check resulted in Arbitrary Executable File Formats File System Automount Point being skipped. [ 23.928104] systemd[1]: Reached target Local Encrypted Volumes. [ OK ] Reached target Local Encrypted Volumes. [ 23.974928] systemd[1]: Reached target Paths. [ OK ] Reached target Paths. [ 24.012673] systemd[1]: Reached target Remote File Systems. [ OK ] Reached target Remote File Systems. [ 24.053214] systemd[1]: Reached target Slices. [ OK ] Reached target Slices. [ 24.093353] systemd[1]: Reached target Swap. [ OK ] Reached target Swap. [ 24.137940] systemd[1]: Listening on initctl Compatibility Named Pipe. [ OK ] Listening on initctl Compatibility Named Pipe. [ 24.248533] systemd[1]: Condition check resulted in Journal Audit Socket being skipped. [ 24.263867] systemd[1]: Listening on Journal Socket (/dev/log). [ OK ] Listening on Journal Socket (/dev/log). [ 24.309599] systemd[1]: Listening on Journal Socket. [ OK ] Listening on Journal Socket. [ 24.351973] systemd[1]: Listening on Network Service Netlink Socket. [ OK ] Listening on Network Service Netlink Socket. [ 24.404393] systemd[1]: Listening on udev Control Socket. [ OK ] Listening on udev Control Socket. [ 24.448458] systemd[1]: Listening on udev Kernel Socket. [ OK ] Listening on udev Kernel Socket. [ 24.507160] systemd[1]: Condition check resulted in Huge Pages File System being skipped. [ 24.517734] systemd[1]: Condition check resulted in POSIX Message Queue File System being skipped. [ 24.539010] systemd[1]: Mounting Kernel Debug File System... Mounting Kernel Debug File System... [ 24.586350] systemd[1]: Mounting Kernel Trace File System... Mounting Kernel Trace File System... [ 24.642874] systemd[1]: Starting Create list of static device nodes for the current kernel... Starting Create list of st…odes for the current kernel... [ 24.697464] systemd[1]: Starting Load Kernel Module configfs... Starting Load Kernel Module configfs... [ 24.758109] systemd[1]: Starting Load Kernel Module drm... Starting Load Kernel Module drm... [ 24.805577] systemd[1]: Starting Load Kernel Module fuse... Starting Load Kernel Module fuse... [ 24.852985] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped. [ 24.897432] fuse: init (API version 7.32) [ 24.899224] systemd[1]: Starting Journal Service... Starting Journal Service... [ 24.977896] systemd[1]: Starting Load Kernel Modules... Starting Load Kernel Modules... [ 25.023080] systemd[1]: Starting Remount Root and Kernel File Systems... Starting Remount Root and Kernel File Systems... [ 25.083713] systemd[1]: Starting Coldplug All udev Devices... Starting Coldplug All udev Devices... [ 25.153429] systemd[1]: Mounted Kernel Debug File System. [ OK ] Mounted Kernel Debug File System. [ 25.199467] systemd[1]: Mounted Kernel Trace File System. [ OK ] Mounted Kernel Trace File System. [ 25.234355] systemd[1]: Finished Create list of static device nodes for the current kernel. [ OK ] Finished Create list of st… nodes for the current kernel. [ 25.327785] systemd[1]: modprobe@configfs.service: Succeeded. [ 25.338337] systemd[1]: Finished Load Kernel Module configfs. [ OK ] Finished Load Kernel Module configfs. [ 25.398309] systemd[1]: modprobe@drm.service: Succeeded. [ 25.408914] systemd[1]: Finished Load Kernel Module drm. [ OK ] Finished Load Kernel Module drm. [ 25.468237] systemd[1]: modprobe@fuse.service: Succeeded. [ 25.478411] systemd[1]: Finished Load Kernel Module fuse. [ OK ] Finished Load Kernel Module fuse. [ 25.528248] systemd[1]: Finished Load Kernel Modules. [ OK ] Finished Load Kernel Modules. [ 25.578108] systemd[1]: Finished Remount Root and Kernel File Systems. [ OK ] Finished Remount Root and Kernel File Systems. [ 25.644939] systemd[1]: Mounting FUSE Control File System... Mounting FUSE Control File System... [ 25.691856] systemd[1]: Mounting Kernel Configuration File System... Mounting Kernel Configuration File System... [ 25.723199] systemd[1]: Condition check resulted in Rebuild Hardware Database being skipped. [ 25.733439] systemd[1]: Condition check resulted in Platform Persistent Storage Archival being skipped. [ 25.753448] systemd[1]: Starting Load/Save Random Seed... Starting Load/Save Random Seed... [ 25.813466] systemd[1]: Starting Apply Kernel Variables... Starting Apply Kernel Variables... [ 25.876246] systemd[1]: Starting Create System Users... Starting Create System Users... [ 25.900944] 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... [ 26.315743] systemd-journald[282]: 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... [* ] (1 of 4) A start job is running for…e Events and Files (5s / 1min 33s) M [ 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 ] Started Network Service. [ OK ] Finished Create Volatile Files and Directories. Starting Network Name Resolution... Starting Network Time Synchronization... Starting Update UTMP about System Boot/Shutdown... [ OK ] Finished Update UTMP about System Boot/Shutdown. [ OK ] Started Network Time Synchronization. [ OK ] Reached target System Time Set. [ OK ] Reached target System Time Synchronized. [ OK ] Reached target Hardware activated USB gadget. [ OK ] Found device /dev/ttymxc1. [ OK ] Started Network Name Resolution. [ OK ] Finished Coldplug All udev Devices. [ OK ] Reached target Network. [ OK ] Reached target Host and Network Name Lookups. [ 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 ] Listening on Load/Save RF …itch Status /dev/rfkill Watch. [ OK ] Started D-Bus System Message Bus. Starting Remove Stale Onli…t4 Metadata Check Snapshots... Starting User Login Management... Starting Permit User Sessions... [ OK ] Finished Permit User Sessions. [ OK ] Finished Remove Stale Onli…ext4 Metadata Check Snapshots. [ OK ] Started User Login Management. [ OK ] 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 5.10.161-cip22 #1 SMP Wed Dec 21 19:17:39 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/8435995/extract-nfsrootfs-gahl48g0' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/8435995/extract-nfsrootfs-gahl48g0' / # 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-8435995/environment . /lava-8435995/environment / # /lava-8435995/bin/lava-test-runner /lava-8435995/0 /lava-8435995/bin/lava-test-runner /lava-8435995/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-8435995/0/tests/0_timesync-off ++ cat uuid + UUID=8435995_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-8435995/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=8435995_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/v5.10.158-cip22-142-g79bb6f9db05d/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-8435995/0/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 Get:1 http://deb.debian.org/debian bullseye InRelease [116 kB] Get:2 http://deb.debian.org/debian bullseye/main armhf Packages [7945 kB] Get:3 http://deb.debian.org/debian bullseye/main Translation-en [6240 kB] Fetched 14.3 MB in 27s (530 kB/s) 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 17 not upgraded. --2022-12-21 19:33:34-- http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.158-cip22-142-g79bb6f9db05d/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: 1407556 (1.3M) [application/octet-stream] Saving to: 'kselftest.tar.xz' kselftest.tar.xz 0%[ ] 0 --.-KB/s kselftest.tar.xz 3%[ ] 47.81K 169KB/s kselftest.tar.xz 15%[==> ] 219.84K 384KB/s kselftest.tar.xz 29%[====> ] 402.74K 469KB/s kselftest.tar.xz 60%[===========> ] 825.54K 721KB/s kselftest.tar.xz 97%[==================> ] 1.31M 934KB/s kselftest.tar.xz 100%[===================>] 1.34M 946KB/s in 1.5s 2022-12-21 19:33:36 (946 KB/s) - 'kselftest.tar.xz' saved [1407556/1407556] 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 =============== [ 126.053576] 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 [ 126.901923] lkdtm: Performing direct entry BUG [ 126.906871] ------------[ cut here ]------------ [ 126.911502] kernel BUG at drivers/misc/lkdtm/bugs.c:76! [ 126.916746] Internal error: Oops - BUG: 0 [#1] SMP ARM [ 126.921907] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display imx_ldb etnaviv imxdrm gpu_sched imx_ipu_v3 [ 126.951180] CPU: 2 PID: 816 Comm: cat Not tainted 5.10.161-cip22 #1 [ 126.957468] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 126.964042] PC is at lkdtm_BUG+0x14/0x18 [ 126.967996] LR is at lkdtm_do_action+0x2c/0x4c [ 126.972467] pc : [] lr : [] psr: a00e0013 [ 126.978754] sp : c66e3e58 ip : c66e3e68 fp : c66e3e64 [ 126.984000] r10: 00000004 r9 : c1acc920 r8 : c15e8784 [ 126.989247] r7 : c66e3f60 r6 : 00000004 r5 : c64b6000 r4 : 00000001 [ 126.995795] r3 : c0c2fb74 r2 : 11e04a7a r1 : ef7ab5e0 r0 : c15e878c [ 127.002349] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 127.009507] Control: 10c5387d Table: 15c4c04a DAC: 00000051 [ 127.015277] Process cat (pid: 816, stack limit = 0xcb9edbe1) [ 127.020962] Stack: (0xc66e3e58 to 0xc66e4000) [ 127.025346] 3e40: c66e3e74 c66e3e68 [ 127.033557] 3e60: c0c2f608 c0c2fb80 c66e3e9c c66e3e78 c0c2fb08 c0c2f5e8 c0c2f9e8 c59c4780 [ 127.041764] 3e80: b6e23000 00000004 c5393b40 c66e3f60 c66e3ec4 c66e3ea0 c07f6448 c0c2f9f4 [ 127.049972] 3ea0: 00000000 c59c4780 b6e23000 c2816000 c66e3f60 c07f63e4 c66e3f5c c66e3ec8 [ 127.058180] 3ec0: c0598d2c c07f63f0 00000001 00000000 c05992c0 c136f4d0 c05992c0 c66e2000 [ 127.066387] 3ee0: b6e23000 00020000 00000004 00000004 0001fffc c66e3ee0 00000001 b6e22000 [ 127.074593] 3f00: c5ec5540 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 127.082802] 3f20: 00000000 00000000 c136f4d0 11e04a7a c205c500 c59c4780 c59c4780 c66e2000 [ 127.091008] 3f40: b6e23000 00000000 00000000 00000004 c66e3f94 c66e3f60 c05992c0 c0598c2c [ 127.099216] 3f60: 00000000 00000000 c66e3fac 11e04a7a 00000004 00000004 b6f67e00 00000004 [ 127.107423] 3f80: c03002e4 c66e2000 c66e3fa4 c66e3f98 c0599350 c0599258 00000000 c66e3fa8 [ 127.115629] 3fa0: c03000c0 c0599344 00000004 00000004 00000001 b6e23000 00000004 00000000 [ 127.123837] 3fc0: 00000004 00000004 b6f67e00 00000004 00000001 00000000 00020000 beffda54 [ 127.132045] 3fe0: 00000004 beffd788 b6ed54cf b6e5b7e6 800e0030 00000001 00000000 00000000 [ 127.140239] Backtrace: [ 127.142740] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) [ 127.150351] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 127.158399] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 127.166347] r9:c66e3f60 r8:c5393b40 r7:00000004 r6:b6e23000 r5:c59c4780 r4:c0c2f9e8 [ 127.174131] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 127.181990] r9:c07f63e4 r8:c66e3f60 r7:c2816000 r6:b6e23000 r5:c59c4780 r4:00000000 [ 127.189768] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 127.196933] r10:00000004 r9:00000000 r8:00000000 r7:b6e23000 r6:c66e2000 r5:c59c4780 [ 127.204783] r4:c59c4780 [ 127.207350] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 127.214514] r9:c66e2000 r8:c03002e4 r7:00000004 r6:b6f67e00 r5:00000004 r4:00000004 [ 127.222294] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 127.229885] Exception stack(0xc66e3fa8 to 0xc66e3ff0) [ 127.234964] 3fa0: 00000004 00000004 00000001 b6e23000 00000004 00000000 [ 127.243171] 3fc0: 00000004 00000004 b6f67e00 00000004 00000001 00000000 00020000 beffda54 [ 127.251371] 3fe0: 00000004 beffd788 b6ed54cf b6e5b7e6 [ 127.256454] Code: e92dd800 e24cb004 e52de004 e8bd4000 (e7f001f2) [ 127.262578] ---[ end trace 84a08c8d8b70be84 ]--- [ 127.267222] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 127.276121] in_atomic(): 0, irqs_disabled(): 128, non_block: 0, pid: 816, name: cat [ 127.283794] INFO: lockdep is turned off. [ 127.287736] irq event stamp: 1580 [ 127.291095] hardirqs last enabled at (1579): [] console_unlock+0x4b0/0x6c0 [ 127.298957] hardirqs last disabled at (1580): [] __und_svc+0x60/0x6c [ 127.306208] softirqs last enabled at (1576): [] __do_softirq+0x378/0x5fc [ 127.313896] softirqs last disabled at (1557): [] __irq_exit_rcu+0x178/0x1d0 [ 127.321754] CPU: 2 PID: 816 Comm: cat Tainted: G D 5.10.161-cip22 #1 [ 127.329430] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 127.335975] Backtrace: [ 127.338479] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 127.346081] r7:ffffffff r6:600e0093 r5:00000000 r4:c1f0f5f4 [ 127.351774] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 127.359126] [] (dump_stack) from [] (___might_sleep+0x1b0/0x2c0) [ 127.366900] r9:600e0093 r8:0000000b r7:c035bb84 r6:00000031 r5:c19c90b4 r4:c66e2000 [ 127.374676] [] (___might_sleep) from [] (__might_sleep+0x70/0xb0) [ 127.382531] r6:00000000 r5:00000031 r4:c19c90b4 [ 127.387193] [] (__might_sleep) from [] (exit_signals+0x4c/0x3fc) [ 127.394962] r6:00000001 r5:c66e2000 r4:c61ad100 [ 127.399624] [] (exit_signals) from [] (do_exit+0x10c/0xb4c) [ 127.406960] r8:0000000b r7:c1e0facc r6:ffffe000 r5:00000000 r4:c61ad100 [ 127.413698] [] (do_exit) from [] (die+0x374/0x380) [ 127.420245] r7:c1e0facc [ 127.422809] [] (die) from [] (do_undefinstr+0x170/0x240) [ 127.429888] r10:00000004 r9:c66e2000 r8:c15e8784 r7:00000000 r6:c66e3dc8 r5:c0c2fb88 [ 127.437736] r4:e7f001f2 [ 127.440302] [] (do_undefinstr) from [] (__und_svc_finish+0x0/0x54) [ 127.448239] Exception stack(0xc66e3dc8 to 0xc66e3e10) [ 127.453321] 3dc0: c15e878c ef7ab5e0 11e04a7a c0c2fb74 00000001 c64b6000 [ 127.461529] 3de0: 00000004 c66e3f60 c15e8784 c1acc920 00000004 c66e3e64 c66e3e68 c66e3e58 [ 127.469730] 3e00: c0c2f608 c0c2fb88 a00e0013 ffffffff [ 127.474807] r7:c66e3dfc r6:ffffffff r5:a00e0013 r4:c0c2fb8c [ 127.480508] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) [ 127.488114] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 127.496154] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 127.504102] r9:c66e3f60 r8:c5393b40 r7:00000004 r6:b6e23000 r5:c59c4780 r4:c0c2f9e8 [ 127.511881] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 127.519740] r9:c07f63e4 r8:c66e3f60 r7:c2816000 r6:b6e23000 r5:c59c4780 r4:00000000 [ 127.527514] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 127.534679] r10:00000004 r9:00000000 r8:00000000 r7:b6e23000 r6:c66e2000 r5:c59c4780 [ 127.542528] r4:c59c4780 [ 127.545093] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 127.552257] r9:c66e2000 r8:c03002e4 r7:00000004 r6:b6f67e00 r5:00000004 r4:00000004 [ 127.560033] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 127.567622] Exception stack(0xc66e3fa8 to 0xc66e3ff0) [ 127.572701] 3fa0: 00000004 00000004 00000001 b6e23000 00000004 00000000 [ 127.580909] 3fc0: 00000004 00000004 b6f67e00 00000004 00000001 00000000 00020000 beffda54 [ 127.589110] 3fe0: 00000004 beffd788 b6ed54cf b6e5b7e6 # Segmentation fault # [ 126.901923] lkdtm: Performing direct entry BUG # [ 126.906871] ------------[ cut here ]------------ # [ 126.911502] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 126.916746] Internal error: Oops - BUG: 0 [#1] SMP ARM # [ 126.921907] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display imx_ldb etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 126.951180] CPU: 2 PID: 816 Comm: cat Not tainted 5.10.161-cip22 #1 # [ 126.957468] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 126.964042] PC is at lkdtm_BUG+0x14/0x18 # [ 126.967996] LR is at lkdtm_do_action+0x2c/0x4c # [ 126.972467] pc : [] lr : [] psr: a00e0013 # [ 126.978754] sp : c66e3e58 ip : c66e3e68 fp : c66e3e64 # [ 126.984000] r10: 00000004 r9 : c1acc920 r8 : c15e8784 # [ 126.989247] r7 : c66e3f60 r6 : 00000004 r5 : c64b6000 r4 : 00000001 # [ 126.995795] r3 : c0c2fb74 r2 : 11e04a7a r1 : ef7ab5e0 r0 : c15e878c # [ 127.002349] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 127.009507] Control: 10c5387d Table: 15c4c04a DAC: 00000051 # [ 127.015277] Process cat (pid: 816, stack limit = 0xcb9edbe1) # [ 127.020962] Stack: (0xc66e3e58 to 0xc66e4000) # [ 127.025346] 3e40: c66e3e74 c66e3e68 # [ 127.033557] 3e60: c0c2f608 c0c2fb80 c66e3e9c c66e3e78 c0c2fb08 c0c2f5e8 c0c2f9e8 c59c4780 # [ 127.041764] 3e80: b6e23000 00000004 c5393b40 c66e3f60 c66e3ec4 c66e3ea0 c07f6448 c0c2f9f4 # [ 127.049972] 3ea0: 00000000 c59c4780 b6e23000 c2816000 c66e3f60 c07f63e4 c66e3f5c c66e3ec8 # [ 127.058180] 3ec0: c0598d2c c07f63f0 00000001 00000000 c05992c0 c136f4d0 c05992c0 c66e2000 # [ 127.066387] 3ee0: b6e23000 00020000 00000004 00000004 0001fffc c66e3ee0 00000001 b6e22000 # [ 127.074593] 3f00: c5ec5540 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 127.082802] 3f20: 00000000 00000000 c136f4d0 11e04a7a c205c500 c59c4780 c59c4780 c66e2000 # [ 127.091008] 3f40: b6e23000 00000000 00000000 00000004 c66e3f94 c66e3f60 c05992c0 c0598c2c # [ 127.099216] 3f60: 00000000 00000000 c66e3fac 11e04a7a 00000004 00000004 b6f67e00 00000004 # [ 127.107423] 3f80: c03002e4 c66e2000 c66e3fa4 c66e3f98 c0599350 c0599258 00000000 c66e3fa8 # [ 127.115629] 3fa0: c03000c0 c0599344 00000004 00000004 00000001 b6e23000 00000004 00000000 # [ 127.123837] 3fc0: 00000004 00000004 b6f67e00 00000004 00000001 00000000 00020000 beffda54 # [ 127.132045] 3fe0: 00000004 beffd788 b6ed54cf b6e5b7e6 800e0030 00000001 00000000 00000000 # [ 127.140239] Backtrace: # [ 127.142740] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) # [ 127.150351] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 127.158399] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 127.166347] r9:c66e3f60 r8:c5393b40 r7:00000004 r6:b6e23000 r5:c59c4780 r4:c0c2f9e8 # [ 127.174131] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 127.181990] r9:c07f63e4 r8:c66e3f60 r7:c2816000 r6:b6e23000 r5:c59c4780 r4:00000000 # [ 127.189768] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 127.196933] r10:00000004 r9:00000000 r8:00000000 r7:b6e23000 r6:c66e2000 r5:c59c4780 # [ 127.204783] r4:c59c4780 # [ 127.207350] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 127.214514] r9:c66e2000 r8:c03002e4 r7:00000004 r6:b6f67e00 r5:00000004 r4:00000004 # [ 127.222294] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 127.229885] Exception stack(0xc66e3fa8 to 0xc66e3ff0) # [ 127.234964] 3fa0: 00000004 00000004 00000001 b6e23000 00000004 00000000 # [ 127.243171] 3fc0: 00000004 00000004 b6f67e00 00000004 00000001 00000000 00020000 beffda54 # [ 127.251371] 3fe0: 00000004 beffd788 b6ed54cf b6e5b7e6 # [ 127.256454] Code: e92dd800 e24cb004 e52de004 e8bd4000 (e7f001f2) # [ 127.262578] ---[ end trace 84a08c8d8b70be84 ]--- # [ 127.267222] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 127.276121] in_atomic(): 0, irqs_disabled(): 128, non_block: 0, pid: 816, name: cat # [ 127.283794] INFO: lockdep is turned off. # [ 127.287736] irq event stamp: 1580 # [ 127.291095] hardirqs last enabled at (1579): [] console_unlock+0x4b0/0x6c0 # [ 127.298957] hardirqs last disabled at (1580): [] __und_svc+0x60/0x6c # [ 127.306208] softirqs last enabled at (1576): [] __do_softirq+0x378/0x5fc # [ 127.313896] softirqs last disabled at (1557): [] __irq_exit_rcu+0x178/0x1d0 # [ 127.321754] CPU: 2 PID: 816 Comm: cat Tainted: G D 5.10.161-cip22 #1 # [ 127.329430] Hardware name: Freescale i.MX6 Quad[ 128.101322] lkdtm: Performing direct entry WARNING /DualLite (Device Tree) # [ 127[ 128.108925] ------------[ cut here ]------------ .335975] Backtrace: # [ 127.33[ 128.116368] WARNING: CPU: 1 PID: 887 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x48/0x4c 8479] [] (dump_backtrac[ 128.127646] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display imx_ldb etnaviv imxdrm gpu_sched imx_ipu_v3 e) from [] (show_stack+[ 128.159371] CPU: 1 PID: 887 Comm: cat Tainted: G D W 5.10.161-cip22 #1 0x20/0x24) # [ 127.346081] r7:[ 128.169833] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) ffffffff r6:600e0093 r5:00000000 [ 128.179223] Backtrace: r4:c1f0f5f4 # [ 127.351774] [] (dump_backtrace) from [] (show_stack+0x20/0x24) 134c614>] (show_stack) from [] (dump_stack+0xe0/0x100) [ 128.203496] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 127.359126] [] (du[ 128.213671] [] (dump_stack) from [] (__warn+0xfc/0x16c) mp_stack) from [] (___m[ 128.223490] r9:00000009 r8:c0c2fbd4 r7:00000053 r6:00000009 r5:c0c2fbd4 r4:c1accfdc ight_sleep+0x1b0/0x2c0) [ 128.234098] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 127.366900] r9:600e0093 r8:[ 128.243743] r7:00000053 r6:c1accfdc r5:00000000 r4:c67d4000 0000000b r7:c035bb84 r6:00000031 [ 128.252275] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING+0x48/0x4c) r5:c19c90b4 r4:c66e2000 [ 128.263223] r9:c1acc924 r8:c15e8784 r7:c67d5f60 r6:00000008 r5:c63d7000 r4:00000002 [ 128.273135] [] (lkdtm_WARNING) from [] (lkdtm_do_action+0x2c/0x4c) # [ 127.374676] [] (__[ 128.281064] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) _might_sleep) from [] ([ 128.291935] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) __might_sleep+0x70/0xb0) # [ 12[ 128.302709] r9:c67d5f60 r8:c5393b40 r7:00000008 r6:b6e20000 r5:c63d5540 r4:c0c2f9e8 7.382531] r6:00000000 r5:0000003[ 128.313319] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) 1 r4:c19c90b4 [ 128.324007] r9:c07f63e4 r8:c67d5f60 r7:c2816000 r6:b6e20000 r5:c63d5540 r4:00000000 # [ 127.387193] [] (__[ 128.333051] [] (vfs_write) from [] (ksys_write+0x74/0xec) might_sleep) from [] (e[ 128.343050] r10:00000004 r9:00000000 r8:00000000 r7:b6e20000 r6:c67d4000 r5:c63d5540 xit_signals+0x4c/0x3fc) [ 128.353737] r4:c63d5540 # [ 127.394962] r6:00000001 r5:[ 128.358445] [] (ksys_write) from [] (sys_write+0x18/0x1c) c66e2000 r4:c61ad100 # [ 127.39[ 128.368448] r9:c67d4000 r8:c03002e4 r7:00000004 r6:b6f67e00 r5:00000008 r4:00000008 9624] [] (exit_signals)[ 128.379057] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) from [] (do_exit+0x10c[ 128.389482] Exception stack(0xc67d5fa8 to 0xc67d5ff0) /0xb4c) [ 128.397400] 5fa0: 00000008 00000008 00000001 b6e20000 00000008 00000000 # [ 127.406960] r8:0000000b r7:[ 128.406357] 5fc0: 00000008 00000008 b6f67e00 00000004 00000001 00000000 00020000 befb8a54 c1e0facc r6:ffffe000 r5:00000000 [ 128.417396] 5fe0: 00000004 befb8788 b6ed24cf b6e587e6 r4:c61ad100 [ 128.425342] irq event stamp: 0 # [ 127.413698] [] (do[ 128.429496] hardirqs last enabled at (0): [<00000000>] 0x0 _exit) from [] (die+0x3[ 128.437958] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c 74/0x380) # [ 127.420245] r7:c[ 128.448298] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c 1e0facc # [ 127.422809] [] 0x0 714>] (die) from [] (do[ 128.467076] ---[ end trace 84a08c8d8b70be85 ]--- _undefinstr+0x170/0x240) # [ 127.429888] r10:00000004 r9:c66e2000 r8:c15e8784 r7:00000000 r6:c66e3dc8 r5:c0c2fb88 # [ 127.437736] r4:e7f001f2 # [ 127.440302] [] (do_undefinstr) from [] (__und_svc_finish+0x0/0x54) # [ 127.448239] Exception stack(0xc66e3dc8 to 0xc66e3e10) # [ 127.453321] 3dc0: c15e878c ef7ab5e0 11e04a7a c0c2fb74 00000001 c64b6000 # [ 127.461529] 3de0: 00000004 c66e3f60 c15e8784 c1acc920 00000004 c66e3e64 c66e3e68 c66e3e58 # [ 127.469730] 3e00: c0c2f608 c0c2fb88 a00e0013 ffffffff # [ 127.474807] r7:c66e3dfc r6:ffffffff r5:a00e0013 r4:c0c2fb8c # [ 127.480508] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) # [ 127.488114] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 127.496154] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 127.504102] r9:c66e3f60 r8:c5393b40 r7:00000004 r6:b6e23000 r5:c59c4780 r4:c0c2f9e8 # [ 127.511881] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 127.519740] r9:c07f63e4 r8:c66e3f60 r7:c2816000 r6:b6e23000 r5:c59c4780 r4:00000000 # [ 127.527514] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 127.534679] r10:00000004 r9:00000000 r8:00000000 r7:b6e23000 r6:c66e2000 r5:c59c4780 # [ 127.542528] r4:c59c4780 # [ 127.545093] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 127.552257] r9:c66e2000 r8:c03002e4 r7:00000004 r6:b6f67e00 r5:00000004 r4:00000004 # [ 127.560033] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 127.567622] Exception stack(0xc66e3fa8 to 0xc66e3ff0) # [ 127.572701] 3fa0: 00000004 00000004 00000001 b6e23000 00000004 00000000 # [ 127.580909] 3fc0: 00000004 00000004 b6f67e00 00000004 00000001 00000000 00020000 beffda54 # [ 127.589110] 3fe0: 00000004 beffd788 b6ed54cf b6e5b7e6 # BUG: saw 'kernel BUG at': ok ok 2 selftests: lkdtm: BUG.sh # selftests: lkdtm: WARNING.sh # [ 128.101322] lkdtm: Performing direct entry WARNING # [ 128.108925] ------------[ cut here ]------------ # [ 128.116368] WARNING: CPU: 1 PID: 887 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x48/0x4c # [ 128.127646] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display imx_ldb etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 128.159371] CPU: 1 PID: 887 Comm: cat Tainted: G D W 5.10.161-cip22 #1 # [ 128.169833] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 128.179223] Backtrace: # [ 128.184549] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 128.194971] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f5f4 # [ 128.203496] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 128.213671] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 128.223490] r9:00000009 r8:c0c2fbd4 r7:00000053 r6:00000009 r5:c0c2fbd4 r4:c1accfdc # [ 128.234098] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 128.243743] r7:00000053 r6:c1accfdc r5:00000000 r4:c67d4000 # [ 128.252275] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING+0x48/0x4c) # [ 128.263223] r9:c1acc924 r8:c15e8784 r7:c67d5f60 r6:00000008 r5:c63d7000 r4:00000002 # [ 128.273135] [] (lkdtm_WARNING) from [] (lkdtm_do_action+0x2c/0x4c) # [ 128.281064] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 128.291935] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 128.302709] r[ 128.806946] lkdtm: Performing direct entry WARNING_MESSAGE 9:c67d5f60 r8:c5393b40 r7:0000000[ 128.814026] ------------[ cut here ]------------ 8 r6:b6e20000 r5:c63d5540 r4:c0c2[ 128.821396] WARNING: CPU: 2 PID: 922 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x4c/0x54 f9e8 # [ 128.313319] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) #[ 128.872262] CPU: 2 PID: 922 Comm: cat Tainted: G D W 5.10.161-cip22 #1 [ 128.324007] r9:c07f63e4 r8:c[ 128.882707] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 67d5f60 r7:c2816000 r6:b6e20000 r[ 128.892099] Backtrace: 5:c63d5540 r4:00000000 # [ 128.[ 128.897438] [] (dump_backtrace) from [] (show_stack+0x20/0x24) 333051] [] (vfs_write) [ 128.907858] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f5f4 from [] (ksys_write+0x7[ 128.916383] [] (show_stack) from [] (dump_stack+0xe0/0x100) 4/0xec) # [ 128.343050] r10:00[ 128.926560] [] (dump_stack) from [] (__warn+0xfc/0x16c) 000004 r9:00000000 r8:00000000 r7[ 128.936380] r9:00000009 r8:c0c2fc24 r7:00000058 r6:00000009 r5:c0c2fc24 r4:c1accfdc :b6e20000 r6:c67d4000 r5:c63d5540[ 128.946990] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 128.353737] r4:c63d5540 [ 128.957332] r7:00000058 r6:c1accfdc r5:c1accff8 r4:c64ba000 # [ 128.358445] [] (ks[ 128.965866] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING_MESSAGE+0x4c/0x54) ys_write) from [] (sys_[ 128.977507] r9:c1acc92c r8:c15e8784 r7:c64bbf60 r6:00000010 r5:c64b6000 r4:00000003 write+0x18/0x1c) # [ 128.368448[ 128.988117] [] (lkdtm_WARNING_MESSAGE) from [] (lkdtm_do_action+0x2c/0x4c) ] r9:c67d4000 r8:c03002e4 r7:000[ 128.999594] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) 00004 r6:b6f67e00 r5:00000008 r4:[ 129.010464] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) 00000008 # [ 128.379057] [] (sys_write) from [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) 0>] (ret_fast_syscall+0x0/0x28) [ 129.042536] r9:c07f63e4 r8:c64bbf60 r7:c2816000 r6:b6de4000 r5:c62d6f00 r4:00000000 # [ 128.389482] Exception stack([ 129.053148] [] (vfs_write) from [] (ksys_write+0x74/0xec) 0xc67d5fa8 to 0xc67d5ff0) # [ 1[ 129.063146] r10:00000004 r9:00000000 r8:00000000 r7:b6de4000 r6:c64ba000 r5:c62d6f00 28.397400] 5fa0: [ 129.073832] r4:c62d6f00 00000008 00000008 00000001 b6e2[ 129.079237] [] (ksys_write) from [] (sys_write+0x18/0x1c) 0000 00000008 00000000 # [ 128.[ 129.089234] r9:c64ba000 r8:c03002e4 r7:00000004 r6:b6f2be00 r5:00000010 r4:00000010 406357] 5fc0: 00000008 00000008 b[ 129.099845] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) 6f67e00 00000004 00000001 0000000[ 129.110272] Exception stack(0xc64bbfa8 to 0xc64bbff0) 0 00020000 befb8a54 # [ 128.417[ 129.118191] bfa0: 00000010 00000010 00000001 b6de4000 00000010 00000000 396] 5fe0: 00000004 befb8788 b6ed[ 129.129234] bfc0: 00000010 00000010 b6f2be00 00000004 00000001 00000000 00020000 bee01a54 24cf b6e587e6 # [ 128.425342] i[ 129.140271] bfe0: 00000004 bee01788 b6e964cf b6e1c7e6 rq event stamp: 0 # [ 128.42949[ 129.148264] irq event stamp: 0 6] hardirqs last enabled at (0):[ 129.154141] hardirqs last enabled at (0): [<00000000>] 0x0 [<00000000>] 0x0 # [ 128.43795[ 129.162588] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c 8] hardirqs last disabled at (0):[ 129.172953] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [] copy_process+0x5c8/[ 129.183279] softirqs last disabled at (0): [<00000000>] 0x0 0x194c # [ 128.448298] softirqs[ 129.191685] ---[ end trace 84a08c8d8b70be86 ]--- last enabled at (0): [] copy_process+0x5c8/0x194c # [ 128.458640] softirqs last disabled at (0): [<00000000>] 0x0 # [ 128.467076] ---[ end trace 84a08c8d8b70be85 ]--- # WARNING: saw 'WARNING:': ok ok 3 selftests: lkdtm: WARNING.sh # selftests: lkdtm: WARNING_MESSAGE.sh # [ 128.806946] lkdtm: Performing direct entry WARNING_MESSAGE # [ 128.814026] ------------[ cut here ]------------ # [ 128.821396] WARNING: CPU: 2 PID: 922 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x4c/0x54 # [ 128.833451] Warning message trigger count: 2 # [ 128.840487] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display imx_ldb etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 128.872262] CPU: 2 PID: 922 Comm: cat Tainted: G D W 5.10.161-cip22 #1 # [ 128.882707] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 128.892099] Backtrace: # [ 128.897438] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 128.907858] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f5f4 # [ 128.916383] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 128.926560] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 128.936380] r9:00000009 r8:c0c2fc24 r7:00000058 r6:00000009 r5:c0c2fc24 r4:c1accfdc # [ 128.946990] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 128.957332] r7:00000058 r6:c1accfdc r5:c1accff8 r4:c64ba000 # [ 128.965866] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING_MESSAGE+0x4c/0x54) # [ 128.977507] r9:c1acc92c r8:c15e8784 r7:c64bbf60 r6:00000010 r5:c64b6000 r4:00000003 # [ 128.988117] [] (lkdtm_WARNING_MESSAGE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 128.999594] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 129.010464] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 129.021236] r9:c64bbf60 r8:c5393b40 r7:00000010 r6:b6de4000 r5:c62d6f00 r4:c0c2f9e8 # [ 129.031849] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 129.042536] r9:c07f63e4 r8:c64bbf60 r7:c2816000 r6:b6de4000 r5:c62d6f00 r4:00000000 # [ 129.053148] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 129.063146] r10:00000004 r9:00000000 r8:00000000 r7:b6de4000 r6:c64ba000 r5:c62d6f00 # [ 129.073832] r4:c62d6f00 # [ 129.079237] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 129.089234] r9:c64ba000 r8:c03002e4 r7:00000004 r6:b6f2be00 r5:00000010 r4:00000010 # [ 129.099845] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 129.110272] Exception stack(0xc64bbfa8 to 0xc64bbff0) # [ 129.118191] bfa0: 00000010 00000010 00000001 b6de4000 00000010 00000000 # [ 129.129234] bfc0: 00000010 00000010 b6f2be00 00000004 00000001 00000000 00020000 bee01a54 # [ 129.140271] bfe0: 00000004 bee01788 b6e964cf b6e1c7e6 # [ 129.148264] irq event stamp: 0 # [ 129.154141] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 129.162588] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 129.172953] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 129.183279] softirqs last disabled at (0): [<00000000>] 0x0 # [ 129.191685] ---[ end trace 84a08c8d8b70be86 ]--- # WARNING_MESSAGE: saw 'message trigger': ok ok 4 selftests: lkdtm: WARNING_MESSAGE.sh # selftests: lkdtm: EXCEPTION.sh [ 129.581810] lkdtm: Performing direct entry EXCEPTION [ 129.588387] 8<--- cut here --- [ 129.591459] Unable to handle kernel NULL pointer dereference at virtual address 00000000 [ 129.599708] pgd = c7ea08cf [ 129.602582] [00000000] *pgd=00000000 [ 129.606835] Internal error: Oops: 805 [#2] SMP ARM [ 129.611638] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display imx_ldb etnaviv imxdrm gpu_sched imx_ipu_v3 [ 129.640671] CPU: 0 PID: 954 Comm: cat Tainted: G D W 5.10.161-cip22 #1 [ 129.648331] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 129.654875] PC is at lkdtm_EXCEPTION+0x18/0x20 [ 129.659327] LR is at lkdtm_do_action+0x2c/0x4c [ 129.663774] pc : [] lr : [] psr: a00e0013 [ 129.670045] sp : c66f5e58 ip : c66f5e68 fp : c66f5e64 [ 129.675273] r10: 0000000a r9 : c1acc93c r8 : c15e8784 [ 129.680502] r7 : c66f5f60 r6 : 0000000a r5 : c5e0f000 r4 : 00000004 [ 129.687032] r3 : 00000000 r2 : 32789958 r1 : ef7815e0 r0 : c15e87a4 [ 129.693565] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 129.700704] Control: 10c5387d Table: 15fac04a DAC: 00000051 [ 129.706455] Process cat (pid: 954, stack limit = 0xb7d50933) [ 129.712118] Stack: (0xc66f5e58 to 0xc66f6000) [ 129.716482] 5e40: c66f5e74 c66f5e68 [ 129.724668] 5e60: c0c2f608 c0c2fc38 c66f5e9c c66f5e78 c0c2fb08 c0c2f5e8 c0c2f9e8 c66b1a40 [ 129.732854] 5e80: b6e66000 0000000a c5393b40 c66f5f60 c66f5ec4 c66f5ea0 c07f6448 c0c2f9f4 [ 129.741039] 5ea0: 00000000 c66b1a40 b6e66000 c2816000 c66f5f60 c07f63e4 c66f5f5c c66f5ec8 [ 129.749225] 5ec0: c0598d2c c07f63f0 00000001 00000000 c05992c0 c136f4d0 c05992c0 c66f4000 [ 129.757410] 5ee0: b6e66000 00020000 00000004 0000000a 0001fff6 c66f5ee0 00000001 b6e65000 [ 129.765594] 5f00: c62d1a40 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 129.773782] 5f20: 00000000 00000000 c136f4d0 32789958 c205c500 c66b1a40 c66b1a40 c66f4000 [ 129.781966] 5f40: b6e66000 00000000 00000000 00000004 c66f5f94 c66f5f60 c05992c0 c0598c2c [ 129.790153] 5f60: 00000000 00000000 c66f5fac 32789958 0000000a 0000000a b6fade00 00000004 [ 129.798338] 5f80: c03002e4 c66f4000 c66f5fa4 c66f5f98 c0599350 c0599258 00000000 c66f5fa8 [ 129.806521] 5fa0: c03000c0 c0599344 0000000a 0000000a 00000001 b6e66000 0000000a 00000000 [ 129.814708] 5fc0: 0000000a 0000000a b6fade00 00000004 00000001 00000000 00020000 be9d5a54 [ 129.822892] 5fe0: 00000004 be9d5788 b6f184cf b6e9e7e6 800e0030 00000001 00000000 00000000 [ 129.831070] Backtrace: [ 129.833535] [] (lkdtm_EXCEPTION) from [] (lkdtm_do_action+0x2c/0x4c) [ 129.841638] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 129.849656] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 129.857582] r9:c66f5f60 r8:c5393b40 r7:0000000a r6:b6e66000 r5:c66b1a40 r4:c0c2f9e8 [ 129.865338] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 129.873176] r9:c07f63e4 r8:c66f5f60 r7:c2816000 r6:b6e66000 r5:c66b1a40 r4:00000000 [ 129.880929] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 129.888072] r10:00000004 r9:00000000 r8:00000000 r7:b6e66000 r6:c66f4000 r5:c66b1a40 [ 129.895904] r4:c66b1a40 [ 129.898447] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 129.905592] r9:c66f4000 r8:c03002e4 r7:00000004 r6:b6fade00 r5:0000000a r4:0000000a [ 129.913347] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 129.920920] Exception stack(0xc66f5fa8 to 0xc66f5ff0) [ 129.925979] 5fa0: 0000000a 0000000a 00000001 b6e66000 0000000a 00000000 [ 129.934163] 5fc0: 0000000a 0000000a b6fade00 00000004 00000001 00000000 00020000 be9d5a54 [ 129.942346] 5fe0: 00000004 be9d5788 b6f184cf b6e9e7e6 [ 129.947406] Code: e24cb004 e52de004 e8bd4000 e3a03000 (e5833000) [ 129.953565] ---[ end trace 84a08c8d8b70be87 ]--- # Segmentation fault # [ 129.581810] lkdtm: Performing direct entry EXCEPTION # [ 129.588387] 8<--- cut here --- # [ 129.591459] Unable to handle kernel NULL pointer dereference at virtual address 00000000 # [ 129.599708] pgd = c7ea08cf # [ 129.602582] [00000000] *pgd=00000000 # [ 129.606835] Internal error: Oops: 805 [#2] SMP ARM # [ 129.611638] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display imx_ldb etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 129.640671] CPU: 0 PID: 954 Comm: cat Tainted: G D W 5.10.161-cip22 #1 # [ 129.648331] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 129.654875] PC is at lkdtm_EXCEPTION+0x18/0x20 # [ 129.659327] LR is at lkdtm_do_action+0x2c/0x4c # [ 129.663774] pc : [] lr : [] psr: a00e0013 # [ 129.670045] sp : c66f5e58 ip : c66f5e68 fp : c66f5e64 # [ 129.675273] r10: 0000000a r9 : c1acc93c r8 : c15e8784 # [ 129.680502] r7 : c66f5f60 r6 : 0000000a r5 : c5e0f000 r4 : 00000004 # [ 129.687032] r3 : 00000000 r2 : 32789958 r1 : ef7815e0 r0 : c15e87a4 # [ 129.693565] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 129.700704] Control: 10c5387d Table: 15fac04a DAC: 00000051 # [ 129.706455] Process cat (pid: 954, stack limit = 0xb7d50933) # [ 129.712118] Stack: (0xc66f5e58 to 0xc66f6000) # [ 129.716482] 5e40: c66f5e74 c66f5e68 # [ 129.724668] 5e60: c0c2f608 c0c2fc38 c66f5e9c c66f5e78 c0c2fb08 c0c2f5e8 c0c2f9e8 c66b1a40 # [ 129.732854] 5e80: b6e66000 0000000a c5393b40 c66f5f60 c66f5ec4 c66f5ea0 c07f6448 c0c2f9f4 # [ 129.741039] 5ea0: 00000000 c66b1a40 b6e66000 c2816000 c66f5f60 c07f63e4 c66f5f5c c66f5ec8 # [ 129.749225] 5ec0: c0598d2c c07f63f0 00000001 00000000 c05992c0 c136f4d0 c05992c0 c66f4000 # [ 129.757410] 5ee0: b6e66000 00020000 00000004 0000000a 0001fff6 c66f5ee0 00000001 b6e65000 # [ 129.765594] 5f00: c62d1a40 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 129.773782] 5f20: 00000000 00000000 c136f4d0 32789958 c205c500 c66b1a40 c66b1a40 c66f4000 # [ 129.781966] 5f40: b6e66000 00000000 00000000 00000004 c66f5f94 c66f5f60 c05992c0 c0598c2c # [ 129.790153] 5f60: 00000000 00000000 c66f5fac 32789958 0000000a 0000000a b6fade00 00000004 # [ 129.798338] 5f80: c03002e4 c66f4000 c66f5fa4 c66f5f98 c0599350 c0599258 00000000 c66f5fa8 # [ 129.806521] 5fa0: c03000c0 c0599344 0000000a 0000000a 00000001 b6e66000 0000000a 00000000 # [ 129.814708] 5fc0: 0000000a 0000000a b6fade00 00000004 00000001 00000000 00020000 be9d5a54 # [ 129.822892] 5fe0: 00000004 be9d5788 b6f184cf b6e9e7e6 800e0030 00000001 00000000 00000000 # [ 129.831070] Backtrace: # [ 129.833535] [] (lkdtm_EXCEPTION) from [] (lkdtm_do_action+0x2c/0x4c) # [ 129.841638] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 129.849656] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 129.857582] r9:c66f5f60 r8:c5393b40 r7:0000000a r6:b6e66000 r5:c66b1a40 r4:c0c2f9e8 # [ 129.865338] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 129.873176] r9:c07f63e4 r8:c66f5f60 r7:c2816000 r6:b6e66000 r5:c66b1a40 r4:00000000 # [ 129.880929] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 129.888072] r10:00000004 r9:00000000 r8:00000000 r7:b6e66000 r6:c66f4000 r5:c66b1a40 # [ 129.895904] r4:c66b1a40 # [ 129.898447] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 129.905592] r9:c66f4000 r8:c03002e4 r7:00000004 r6:b6fade00 r5:0000000a r4:0000000a # [ 129.913347] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 129.920920] Exception stack(0xc66f5fa8 to 0xc66f5ff0) # [ 129.925979] 5fa0: 0000000a 0000000a 00000001 b6e66000 0000000a 00000000 # [ 129.934163] 5fc0: 0000000a 0000000a b6fade00 00000004 00000001 00000000 00020000 be9d5a54 # [ 129.942346] 5fe0: 00000004 be9d5788 b6f184cf b6e9e7e6 # [ 129.947406] Code: e24cb004 e52de004 e8bd4000 e3a03000 (e5833000) # [ 129.953565] ---[ end trace 84a08c8d8b70be87 ]--- # 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 [ 131.097510] lkdtm: Performing direct entry CORRUPT_LIST_ADD [ 131.103224] lkdtm: attempting good list addition [ 131.107855] lkdtm: attempting corrupted list addition [ 131.112980] lkdtm: list_add() corruption not detected! # [ 131.097510] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 131.103224] lkdtm: attempting good list addition # [ 131.107855] lkdtm: attempting corrupted list addition # [ 131.112980] 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 [ 131.434568] lkdtm: Performing direct entry CORRUPT_LIST_DEL [ 131.440166] lkdtm: attempting good list removal [ 131.444770] lkdtm: attempting corrupted list removal [ 131.449750] lkdtm: list_del() corruption not detected! # [ 131.434568] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 131.440166] lkdtm: attempting good list removal # [ 131.444770] lkdtm: attempting corrupted list removal # [ 131.449750] 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 [ 131.880153] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING [ 131.886505] lkdtm: attempting bad read from page below current stack [ 131.893076] lkdtm: FAIL: accessed page before stack! (byte: d5) # [ 131.880153] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 131.886505] lkdtm: attempting bad read from page below current stack # [ 131.893076] lkdtm: FAIL: accessed page before stack! (byte: d5) # 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 [ 132.203683] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING [ 132.210062] lkdtm: attempting bad read from page above current stack [ 132.216501] lkdtm: FAIL: accessed page after stack! (byte: 0) # [ 132.203683] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING # [ 132.210062] lkdtm: attempting bad read from page above current stack # [ 132.216501] 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 [ 132.534528] lkdtm: Performing direct entry UNSET_SMEP [ 132.539600] lkdtm: XFAIL: this test is x86_64-only # [ 132.534528] lkdtm: Performing direct entry UNSET_SMEP # [ 132.539600] 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 [ 132.863469] lkdtm: Performing direct entry DOUBLE_FAULT [ 132.868719] lkdtm: XFAIL: this test is ia32-only # [ 132.863469] lkdtm: Performing direct entry DOUBLE_FAULT # [ 132.868719] 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 [ 133.176944] lkdtm: Performing direct entry CORRUPT_PAC [ 133.182214] lkdtm: XFAIL: this test is arm64-only # [ 133.176944] lkdtm: Performing direct entry CORRUPT_PAC # [ 133.182214] 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 [ 133.501822] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE [ 133.508392] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS # [ 133.501822] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # [ 133.508392] 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 [ 134.193998] lkdtm: Performing direct entry READ_AFTER_FREE [ 134.199514] lkdtm: Value in memory before free: 12345678 [ 134.204931] lkdtm: Attempting bad read from freed memory [ 134.210259] lkdtm: Memory was not poisoned # [ 134.193998] lkdtm: Performing direct entry READ_AFTER_FREE # [ 134.199514] lkdtm: Value in memory before free: 12345678 # [ 134.204931] lkdtm: Attempting bad read from freed memory # [ 134.210259] 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 [ 134.698782] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE [ 134.704989] lkdtm: Value in memory before free: 12345678 [ 134.710344] lkdtm: Attempting to read from freed memory [ 134.715644] lkdtm: Buddy page was not poisoned # [ 134.698782] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE # [ 134.704989] lkdtm: Value in memory before free: 12345678 # [ 134.710344] lkdtm: Attempting to read from freed memory # [ 134.715644] 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 [ 135.020150] lkdtm: Performing direct entry SLAB_FREE_DOUBLE [ 135.025832] lkdtm: Attempting double slab free ... # [ 135.020150] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 135.025832] 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 [ 135.341257] lkdtm: Performing direct entry SLAB_FREE_CROSS [ 135.346858] lkdtm: Attempting cross-cache slab free ... # [ 135.341257] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 135.346858] 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 [ 135.660214] lkdtm: Performing direct entry SLAB_FREE_PAGE [ 135.665912] lkdtm: Attempting non-Slab slab free ... # [ 135.660214] lkdtm: Performing direct entry SLAB_FREE_PAGE # [ 135.665912] 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 [ 136.695454] lkdtm: Performing direct entry EXEC_DATA [ 136.700443] lkdtm: attempting ok execution at c0c30378 [ 136.705903] lkdtm: attempting bad execution at c26f694c [ 136.711183] 8<--- cut here --- [ 136.714248] Unable to handle kernel paging request at virtual address c26f694c [ 136.721479] pgd = 6b6413d6 [ 136.724200] [c26f694c] *pgd=1261141e(bad) [ 136.728263] Internal error: Oops: 8000000d [#3] SMP ARM [ 136.733514] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display imx_ldb etnaviv imxdrm gpu_sched imx_ipu_v3 [ 136.762797] CPU: 1 PID: 1797 Comm: cat Tainted: G D W 5.10.161-cip22 #1 [ 136.770562] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 136.777126] PC is at data_area+0x0/0x40 [ 136.781003] LR is at execute_location+0xa4/0xb4 [ 136.785557] pc : [] lr : [] psr: 600e0013 [ 136.791845] sp : c6517e38 ip : 00000027 fp : c6517e54 [ 136.797091] r10: 0000000a r9 : c1accb20 r8 : c15e8784 [ 136.802339] r7 : c6517f60 r6 : 00000001 r5 : c26f694c r4 : c0c30378 [ 136.808887] r3 : d471cdd8 r2 : d471cdd8 r1 : ef7965e4 r0 : 0000002b [ 136.815438] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 136.822596] Control: 10c5387d Table: 15e4404a DAC: 00000051 [ 136.828365] Process cat (pid: 1797, stack limit = 0x2588cbb5) [ 136.834134] Stack: (0xc6517e38 to 0xc6518000) [ 136.838517] 7e20: 0000001f c651f000 [ 136.846728] 7e40: 0000000a c6517f60 c6517e64 c6517e58 c1359ef0 c1359cec c6517e74 c6517e68 [ 136.854937] 7e60: c0c2f608 c1359ed8 c6517e9c c6517e78 c0c2fb08 c0c2f5e8 c0c2f9e8 c5a56a00 [ 136.863146] 7e80: b6e9a000 0000000a c5393b40 c6517f60 c6517ec4 c6517ea0 c07f6448 c0c2f9f4 [ 136.871354] 7ea0: 00000000 c5a56a00 b6e9a000 c2816000 c6517f60 c07f63e4 c6517f5c c6517ec8 [ 136.879561] 7ec0: c0598d2c c07f63f0 00000001 00000000 c05992c0 c136f4d0 c05992c0 c6516000 [ 136.887768] 7ee0: b6e9a000 00020000 00000004 0000000a 0001fff6 c6517ee0 00000001 b6e99000 [ 136.895974] 7f00: c5b07540 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 136.904183] 7f20: 00000000 00000000 c136f4d0 d471cdd8 c205c500 c5a56a00 c5a56a00 c6516000 [ 136.912390] 7f40: b6e9a000 00000000 00000000 00000004 c6517f94 c6517f60 c05992c0 c0598c2c [ 136.920598] 7f60: 00000000 00000000 c6517fac d471cdd8 0000000a 0000000a b6fe1e00 00000004 [ 136.928806] 7f80: c03002e4 c6516000 c6517fa4 c6517f98 c0599350 c0599258 00000000 c6517fa8 [ 136.937012] 7fa0: c03000c0 c0599344 0000000a 0000000a 00000001 b6e9a000 0000000a 00000000 [ 136.945219] 7fc0: 0000000a 0000000a b6fe1e00 00000004 00000001 00000000 00020000 be99ba54 [ 136.953426] 7fe0: 00000004 be99b788 b6f4c4cf b6ed27e6 800e0030 00000001 00000000 00000000 [ 136.961618] Backtrace: [ 136.964120] [] (execute_location) from [] (lkdtm_EXEC_DATA+0x24/0x28) [ 136.972329] r7:c6517f60 r6:0000000a r5:c651f000 r4:0000001f [ 136.978036] [] (lkdtm_EXEC_DATA) from [] (lkdtm_do_action+0x2c/0x4c) [ 136.986166] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 136.994213] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 137.002160] r9:c6517f60 r8:c5393b40 r7:0000000a r6:b6e9a000 r5:c5a56a00 r4:c0c2f9e8 [ 137.009944] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 137.017805] r9:c07f63e4 r8:c6517f60 r7:c2816000 r6:b6e9a000 r5:c5a56a00 r4:00000000 [ 137.025584] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 137.032749] r10:00000004 r9:00000000 r8:00000000 r7:b6e9a000 r6:c6516000 r5:c5a56a00 [ 137.040599] r4:c5a56a00 [ 137.043166] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 137.050332] r9:c6516000 r8:c03002e4 r7:00000004 r6:b6fe1e00 r5:0000000a r4:0000000a [ 137.058110] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 137.065701] Exception stack(0xc6517fa8 to 0xc6517ff0) [ 137.070781] 7fa0: 0000000a 0000000a 00000001 b6e9a000 0000000a 00000000 [ 137.078994] 7fc0: 0000000a 0000000a b6fe1e00 00000004 00000001 00000000 00020000 be99ba54 [ 137.087196] 7fe0: 00000004 be99b788 b6f4c4cf b6ed27e6 [ 137.092281] Code: 00000000 c2e1e840 c2e1e900 c2e1e9c0 (e1a0c00d) [ 137.098406] ---[ end trace 84a08c8d8b70be88 ]--- # Segmentation fault # [ 136.695454] lkdtm: Performing direct entry EXEC_DATA # [ 136.700443] lkdtm: attempting ok execution at c0c30378 # [ 136.705903] lkdtm: attempting bad execution at c26f694c # [ 136.711183] 8<--- cut here --- # [ 136.714248] Unable to handle kernel paging request at virtual address c26f694c # [ 136.721479] pgd = 6b6413d6 # [ 136.724200] [c26f694c] *pgd=1261141e(bad) # [ 136.728263] Internal error: Oops: 8000000d [#3] SMP ARM # [ 136.733514] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display imx_ldb etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 136.762797] CPU: 1 PID: 1797 Comm: cat Tainted: G D W 5.10.161-cip22 #1 # [ 136.770562] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 136.777126] PC is at data_area+0x0/0x40 # [ 136.781003] LR is at execute_location+0xa4/0xb4 # [ 136.785557] pc : [] lr : [] psr: 600e0013 # [ 136.791845] sp : c6517e38 ip : 00000027 fp : c6517e54 # [ 136.797091] r10: 0000000a r9 : c1accb20 r8 : c15e8784 # [ 136.802339] r7 : c6517f60 r6 : 00000001 r5 : c26f694c r4 : c0c30378 # [ 136.808887] r3 : d471cdd8 r2 : d471cdd8 r1 : ef7965e4 r0 : 0000002b # [ 136.815438] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 136.822596] Control: 10c5387d Table: 15e4404a DAC: 00000051 # [ 136.828365] Process cat (pid: 1797, stack limit = 0x2588cbb5) # [ 136.834134] Stack: (0xc6517e38 to 0xc6518000) # [ 136.838517] 7e20: 0000001f c651f000 # [ 136.846728] 7e40: 0000000a c6517f60 c6517e64 c6517e58 c1359ef0 c1359cec c6517e74 c6517e68 # [ 136.854937] 7e60: c0c2f608 c1359ed8 c6517e9c c6517e78 c0c2fb08 c0c2f5e8 c0c2f9e8 c5a56a00 # [ 136.863146] 7e80: b6e9a000 0000000a c5393b40 c6517f60 c6517ec4 c6517ea0 c07f6448 c0c2f9f4 # [ 136.871354] 7ea0: 00000000 c5a56a00 b6e9a000 c2816000 c6517f60 c07f63e4 c6517f5c c6517ec8 # [ 136.879561] 7ec0: c0598d2c c07f63f0 00000001 00000000 c05992c0 c136f4d0 c05992c0 c6516000 # [ 136.887768] 7ee0: b6e9a000 00020000 00000004 0000000a 0001fff6 c6517ee0 00000001 b6e99000 # [ 136.895974] 7f00: c5b07540 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 136.904183] 7f20: 00000000 00000000 c136f4d0 d471cdd8 c205c500 c5a56a00 c5a56a00 c6516000 # [ 136.912390] 7f40: b6e9a000 00000000 00000000 00000004 c6517f94 c6517f60 c05992c0 c0598c2c # [ 136.920598] 7f60: 00000000 00000000 c6517fac d471cdd8 0000000a 0000000a b6fe1e00 00000004 # [ 136.928806] 7f80: c03002e4 c6516000 c6517fa4 c6517f98 c0599350 c0599258 00000000 c6517fa8 # [ 136.937012] 7fa0: c03000c0 c0599344 0000000a 0000000a 00000001 b6e9a000 0000000a 00000000 # [ 136.945219] 7fc0: 0000000a 0000000a b6fe1e00 00000004 00000001 00000000 00020000 be99ba54 # [ 136.953426] 7fe0: 00000004 be99b788 b6f4c4cf b6ed27e6 800e0030 00000001 00000000 00000000 # [ 136.961618] Backtrace: # [ 136.964120] [] (execute_location) from [] (lkdtm_EXEC_DATA+0x24/0x28) # [ 136.972329] r7:c6517f60 r6:0000000a r5:c651f000 r4:0000001f # [ 136.978036] [] (lkdtm_EXEC_DATA) from [] (lkdtm_do_action+0x2c/0x4c) # [ 136.986166] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 136.994213] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 137.002160] r9:c6517f60 r8:c5393b40 r7:0000000a r6:b6e9a000 r5:c5a56a00 r4:c0c2f9e8 # [ 137.009944] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 137.017805] r9:c07f63e4 r8:c6517f60 r7:c2816000 r6:b6e9a000 r5:c5a56a00 r4:00000000 # [ 137.025584] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 137.032749] r10:00000004 r9:00000000 r8:00000000 r7:b6e9a000 r6:c6516000 r5:c5a56a00 # [ 137.040599] r4:c5a56a00 # [ 137.043166] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 137.050332] r9:c6516000 r8:c03002e4 r7:00000004 r6:b6fe1e00 r5:0000000a r4:0000000a # [ 137.058110] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 137.065701] Exception stack(0xc6517fa8 to 0xc6517ff0) # [ 137.070781] 7fa0: 0000000a 0000000a 00000001 b6e9a000 0000000a 00000000 # [ 137.078994] 7fc0: 0000000a 0000000a b6fe1e00 00000004 00000001 00000000 00020000 be99ba54 # [ 137.087196] 7fe0: 00000004 be99b788 b6f4c4cf b6ed27e6 # [ 137.092281] Code: 00000000 c2e1e840 c2e1e900 c2e1e9c0 (e1a0c00d) # [ 137.098406] ---[ end trace 84a08c8d8b70be88 ]--- # EXEC_DATA: missing 'call trace:': [FAIL] not ok 30 selftests: lkdtm: EXEC_DATA.sh # exit=1 # selftests: lkd[ 137.603082] lkdtm: Performing direct entry EXEC_STACK tm: EXEC_STACK.sh [ 137.610910] lkdtm: attempting ok execution at c0c30378 [ 137.617771] lkdtm: attempting bad execution at c66ede0c [ 137.623082] 8<--- cut here --- [ 137.626146] Unable to handle kernel paging request at virtual address c66ede0c [ 137.633376] pgd = ba850cb4 [ 137.636088] [c66ede0c] *pgd=1661141e(bad) [ 137.640119] Internal error: Oops: 8000000d [#4] SMP ARM [ 137.645350] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display imx_ldb etnaviv imxdrm gpu_sched imx_ipu_v3 [ 137.674384] CPU: 2 PID: 1873 Comm: cat Tainted: G D W 5.10.161-cip22 #1 [ 137.682131] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 137.688668] PC is at 0xc66ede0c [ 137.691826] LR is at execute_location+0xa4/0xb4 [ 137.696362] pc : [] lr : [] psr: 600e0013 [ 137.702633] sp : c66edde8 ip : c66edcf0 fp : c66ede04 [ 137.707862] r10: 0000000b r9 : c1accb2c r8 : c15e8784 [ 137.713090] r7 : c66edf60 r6 : 00000001 r5 : c66ede0c r4 : c0c30378 [ 137.719620] r3 : 35629b44 r2 : 35629b44 r1 : ef7ab5e0 r0 : 0000002b [ 137.726155] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 137.733293] Control: 10c5387d Table: 1668c04a DAC: 00000051 [ 137.739043] Process cat (pid: 1873, stack limit = 0x63e4f4e7) [ 137.744795] Stack: (0xc66edde8 to 0xc66ee000) [ 137.749161] dde0: c66ec000 c5c19000 0000000b c66edf60 c66ede64 c66ede08 [ 137.757348] de00: c1359f2c c1359cec c66ede6c e1a0c00d e92dd800 e24cb004 e52de004 e8bd4000 [ 137.765532] de20: e89da800 e1a0c00d e92dd830 e24cb004 e52de004 e8bd4000 e30d3374 e34c31b7 [ 137.773716] de40: e3a02040 e3a01d33 e5930018 35629b44 0000000b 00000020 c66ede74 c66ede68 [ 137.781900] de60: c0c2f608 c1359f00 c66ede9c c66ede78 c0c2fb08 c0c2f5e8 c0c2f9e8 c5a60dc0 [ 137.790085] de80: b6e3e000 0000000b c5393b40 c66edf60 c66edec4 c66edea0 c07f6448 c0c2f9f4 [ 137.798269] dea0: 00000000 c5a60dc0 b6e3e000 c2816000 c66edf60 c07f63e4 c66edf5c c66edec8 [ 137.806456] dec0: c0598d2c c07f63f0 00000001 00000000 c05992c0 c136f4d0 c05992c0 c66ec000 [ 137.814640] dee0: b6e3e000 00020000 00000004 0000000b 0001fff5 c66edee0 00000001 b6e3d000 [ 137.822825] df00: c47c2c80 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 137.831011] df20: 00000000 00000000 c136f4d0 35629b44 c205c500 c5a60dc0 c5a60dc0 c66ec000 [ 137.839196] df40: b6e3e000 00000000 00000000 00000004 c66edf94 c66edf60 c05992c0 c0598c2c [ 137.847382] df60: 00000000 00000000 c66edfac 35629b44 0000000b 0000000b b6f85e00 00000004 [ 137.855568] df80: c03002e4 c66ec000 c66edfa4 c66edf98 c0599350 c0599258 00000000 c66edfa8 [ 137.863752] dfa0: c03000c0 c0599344 0000000b 0000000b 00000001 b6e3e000 0000000b 00000000 [ 137.871937] dfc0: 0000000b 0000000b b6f85e00 00000004 00000001 00000000 00020000 be919a54 [ 137.880121] dfe0: 00000004 be919788 b6ef04cf b6e767e6 800e0030 00000001 00000000 00000000 [ 137.888300] Backtrace: [ 137.890768] [] (execute_location) from [] (lkdtm_EXEC_STACK+0x38/0x54) [ 137.899041] r7:c66edf60 r6:0000000b r5:c5c19000 r4:c66ec000 [ 137.904717] [] (lkdtm_EXEC_STACK) from [] (lkdtm_do_action+0x2c/0x4c) [ 137.912897] r4:00000020 [ 137.915442] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 137.923460] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 137.931384] r9:c66edf60 r8:c5393b40 r7:0000000b r6:b6e3e000 r5:c5a60dc0 r4:c0c2f9e8 [ 137.939140] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 137.946977] r9:c07f63e4 r8:c66edf60 r7:c2816000 r6:b6e3e000 r5:c5a60dc0 r4:00000000 [ 137.954728] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 137.961872] r10:00000004 r9:00000000 r8:00000000 r7:b6e3e000 r6:c66ec000 r5:c5a60dc0 [ 137.969706] r4:c5a60dc0 [ 137.972248] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 137.979391] r9:c66ec000 r8:c03002e4 r7:00000004 r6:b6f85e00 r5:0000000b r4:0000000b [ 137.987144] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 137.994718] Exception stack(0xc66edfa8 to 0xc66edff0) [ 137.999778] dfa0: 0000000b 0000000b 00000001 b6e3e000 0000000b 00000000 [ 138.007964] dfc0: 0000000b 0000000b b6f85e00 00000004 00000001 00000000 00020000 be919a54 [ 138.016146] dfe0: 00000004 be919788 b6ef04cf b6e767e6 [ 138.021207] Code: c66ede08 c1359f2c c1359cec c66ede6c (e1a0c00d) [ 138.027310] ---[ end trace 84a08c8d8b70be89 ]--- # Segmentation fault # [ 137.603082] lkdtm: Performing direct entry EXEC_STACK # [ 137.610910] lkdtm: attempting ok execution at c0c30378 # [ 137.617771] lkdtm: attempting bad execution at c66ede0c # [ 137.623082] 8<--- cut here --- # [ 137.626146] Unable to handle kernel paging request at virtual address c66ede0c # [ 137.633376] pgd = ba850cb4 # [ 137.636088] [c66ede0c] *pgd=1661141e(bad) # [ 137.640119] Internal error: Oops: 8000000d [#4] SMP ARM # [ 137.645350] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display imx_ldb etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 137.674384] CPU: 2 PID: 1873 Comm: cat Tainted: G D W 5.10.161-cip22 #1 # [ 137.682131] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 137.688668] PC is at 0xc66ede0c # [ 137.691826] LR is at execute_location+0xa4/0xb4 # [ 137.696362] pc : [] lr : [] psr: 600e0013 # [ 137.702633] sp : c66edde8 ip : c66edcf0 fp : c66ede04 # [ 137.707862] r10: 0000000b r9 : c1accb2c r8 : c15e8784 # [ 137.713090] r7 : c66edf60 r6 : 00000001 r5 : c66ede0c r4 : c0c30378 # [ 137.719620] r3 : 35629b44 r2 : 35629b44 r1 : ef7ab5e0 r0 : 0000002b # [ 137.726155] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 137.733293] Control: 10c5387d Table: 1668c04a DAC: 00000051 # [ 137.739043] Process cat (pid: 1873, stack limit = 0x63e4f4e7) # [ 137.744795] Stack: (0xc66edde8 to 0xc66ee000) # [ 137.749161] dde0: c66ec000 c5c19000 0000000b c66edf60 c66ede64 c66ede08 # [ 137.757348] de00: c1359f2c c1359cec c66ede6c e1a0c00d e92dd800 e24cb004 e52de004 e8bd4000 # [ 137.765532] de20: e89da800 e1a0c00d e92dd830 e24cb004 e52de004 e8bd4000 e30d3374 e34c31b7 # [ 137.773716] de40: e3a02040 e3a01d33 e5930018 35629b44 0000000b 00000020 c66ede74 c66ede68 # [ 137.781900] de60: c0c2f608 c1359f00 c66ede9c c66ede78 c0c2fb08 c0c2f5e8 c0c2f9e8 c5a60dc0 # [ 137.790085] de80: b6e3e000 0000000b c5393b40 c66edf60 c66edec4 c66edea0 c07f6448 c0c2f9f4 # [ 137.798269] dea0: 00000000 c5a60dc0 b6e3e000 c2816000 c66edf60 c07f63e4 c66edf5c c66edec8 # [ 137.806456] dec0: c0598d2c c07f63f0 00000001 00000000 c05992c0 c136f4d0 c05992c0 c66ec000 # [ 137.814640] dee0: b6e3e000 00020000 00000004 0000000b 0001fff5 c66edee0 00000001 b6e3d000 # [ 137.822825] df00: c47c2c80 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 137.831011] df20: 00000000 00000000 c136f4d0 35629b44 c205c500 c5a60dc0 c5a60dc0 c66ec000 # [ 137.839196] df40: b6e3e000 00000000 00000000 00000004 c66edf94 c66edf60 c05992c0 c0598c2c # [ 137.847382] df60: 00000000 00000000 c66edfac 35629b44 0000000b 0000000b b6f85e00 00000004 # [ 137.855568] df80: c03002e4 c66ec000 c66edfa4 c66edf98 c0599350 c0599258 00000000 c66edfa8 # [ 137.863752] dfa0: c03000c0 c0599344 0000000b 0000000b 00000001 b6e3e000 0000000b 00000000 # [ 137.871937] dfc0: 0000000b 0000000b b6f85e00 00000004 00000001 00000000 00020000 be919a54 # [ 137.880121] dfe0: 00000004 be919788 b6ef04cf b6e767e6 800e0030 00000001 00000000 00000000 # [ 137.888300] Backtrace: # [ 137.890768] [] (execute_location) from [] (lkdtm_EXEC_STACK+0x38/0x54) # [ 137.899041] r7:c66edf60 r6:0000000b r5:c5c19000 r4:c66ec000 # [ 137.904717] [] (lkdtm_EXEC_STACK) from [] (lkdtm_do_action+0x2c/0x4c) # [ 137.912897] r4:00000020 # [ 137.915442] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 137.923460] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 137.931384] r9:c66edf60 r8:c5393b40 r7:0000000b r6:b6e3e000 r5:c5a60dc0 r4:c0c2f9e8 # [ 137.939140] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 137.946977] r9:c07f63e4 r8:c66edf60 r7:c2816000 r6:b6e3e000 r5:c5a60dc0 r4:00000000 # [ 137.954728] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 137.961872[ 138.493640] lkdtm: Performing direct entry EXEC_KMALLOC ] r10:00000004 r9:00000000 r8[: 138.501637] lkdtm: attempting ok execution at c0c30378 0000000 r7:b6e3e000 r6:c66ec000 r[ 138.509561] lkdtm: attempting bad execution at c5dd3800 5:c5a60dc0 # [ 137.969706] r4:[ 138.517634] 8<--- cut here --- c5a60dc0 # [ 137.97224[8 ] 1[38.523477] Unable to handle kernel paging request at virtual address c5dd3800 c059924c>] (ksys_write) fro[m [38.533134] pgd = cc5cd15c ] (sys_write+0x18/0x1c)[ 138.538356] [c5dd3800] *pgd=15c1141e(bad) # [ 137.979391] r9:c66ec000 r[ 138.545237] Internal error: Oops: 8000000d [#5] SMP ARM 8:c03002e4 r7:00000004 r6:b6f85e0[ 138.553322] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display imx_ldb etnaviv imxdrm gpu_sched imx_ipu_v3 0 r5:0000000b r4:0000000b # [ 1[ 138.585028] CPU: 3 PID: 1952 Comm: cat Tainted: G D W 5.10.161-cip22 #1 37.987144] [] (s[y s _138.595626] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) rite) from [] (ret_fast 138.604675] PC is at 0xc5dd3800 _syscall+0x0/0x28) # [ 137.9947[ 138.610607] LR is at execute_location+0xa4/0xb4 18] Exception stack(0xc66edfa[8 138.617982] pc : [] lr : [] psr: 600e0013 to 0xc66edff0) # [ 137[. 9 1939.626847] sp : c6255e30 ip : c6255d38 fp : c6255e4c 778] dfa0: [ 138.634415] r10: 0000000d r9 : c1accb38 r8 : c15e8784 000000b 0000000b 00000001 [b 6 e138.642158] r7 : c6255f60 r6 : 00000001 r5 : c5dd3800 r4 : c0c30378 e000 0000000b 00000000 [# [1 38.651201] r3 : 2ce70899 r2 : 2ce70899 r1 : ef7c05e0 r0 : 0000002b 138.007964] dfc0: 0000000b 000[0 138.660161] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none 00b b6f85e00 00000004 00000[0 0 138.669983] Control: 10c5387d Table: 15c9804a DAC: 00000051 00000000 00020000 be919a54 [# 138.678246] Process cat (pid: 1952, stack limit = 0xf8022dfa) [ 138.016146] dfe0: 0000[0 0 0148.686592] Stack: (0xc6255e30 to 0xc6256000) be919788 b6ef04cf b6e767e6 # [ [ 138.693389] 5e20: c5dd3800 c6705000 0000000d c6255f60 138.021207] Code: c66ede08 c1359[ 138.704430] 5e40: c6255e64 c6255e50 c0c303c8 c1359cec 00000021 c6705000 c6255e74 c6255e68 f2c c1359cec c66ede6c (e1a0c00d) [ 138.715472] 5e60: c0c2f608 c0c3039c c6255e9c c6255e78 c0c2fb08 c0c2f5e8 c0c2f9e8 c47c28c0 # [ 138.027310] ---[ end trace[ 138.726510] 5e80: b6dfb000 0000000d c5393b40 c6255f60 c6255ec4 c6255ea0 c07f6448 c0c2f9f4 84a08c8d8b70be89 ]--- # EXEC_ST[ 138.737549] 5ea0: 00000000 c47c28c0 b6dfb000 c2816000 c6255f60 c07f63e4 c6255f5c c6255ec8 ACK: missing 'call trace:': [FAIL[ 138.748589] 5ec0: c0598d2c c07f63f0 00000001 00000000 c05992c0 c44a4064 c05992c0 c6254000 ] not ok 31 selftests: lkdtm: EX[ 138.759628] 5ee0: b6dfb000 00020000 00000004 0000000d 0001fff3 c6255ee0 00000001 00000805 EC_STACK.sh # exit=1 # selftests[ 138.770667] 5f00: c5b06140 00000000 00000000 00000000 00000000 00000000 00000000 00000000 : lkdtm: EXEC_KMALLOC.sh [ 138.781707] 5f20: 00000000 00000000 c6254000 2ce70899 b6dfa000 c47c28c0 c47c28c0 c6254000 [ 138.792138] 5f40: b6dfb000 00000000 00000000 00000004 c6255f94 c6255f60 c05992c0 c0598c2c [ 138.800346] 5f60: 00000000 00000000 c6255fac 2ce70899 0000000d 0000000d b6f42e00 00000004 [ 138.808553] 5f80: c03002e4 c6254000 c6255fa4 c6255f98 c0599350 c0599258 00000000 c6255fa8 [ 138.816759] 5fa0: c03000c0 c0599344 0000000d 0000000d 00000001 b6dfb000 0000000d 00000000 [ 138.824966] 5fc0: 0000000d 0000000d b6f42e00 00000004 00000001 00000000 00020000 bec20a54 [ 138.833173] 5fe0: 00000004 bec20788 b6ead4cf b6e337e6 800e0030 00000001 00000000 00000000 [ 138.841366] Backtrace: [ 138.843870] [] (execute_location) from [] (lkdtm_EXEC_KMALLOC+0x38/0x44) [ 138.852342] r7:c6255f60 r6:0000000d r5:c6705000 r4:c5dd3800 [ 138.858045] [] (lkdtm_EXEC_KMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) [ 138.866422] r5:c6705000 r4:00000021 [ 138.870036] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 138.878082] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 138.886031] r9:c6255f60 r8:c5393b40 r7:0000000d r6:b6dfb000 r5:c47c28c0 r4:c0c2f9e8 [ 138.893816] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 138.901676] r9:c07f63e4 r8:c6255f60 r7:c2816000 r6:b6dfb000 r5:c47c28c0 r4:00000000 [ 138.909453] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 138.916619] r10:00000004 r9:00000000 r8:00000000 r7:b6dfb000 r6:c6254000 r5:c47c28c0 [ 138.924468] r4:c47c28c0 [ 138.927033] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 138.934199] r9:c6254000 r8:c03002e4 r7:00000004 r6:b6f42e00 r5:0000000d r4:0000000d [ 138.941977] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 138.949567] Exception stack(0xc6255fa8 to 0xc6255ff0) [ 138.954649] 5fa0: 0000000d 0000000d 00000001 b6dfb000 0000000d 00000000 [ 138.962857] 5fc0: 0000000d 0000000d b6f42e00 00000004 00000001 00000000 00020000 bec20a54 [ 138.971058] 5fe0: 00000004 bec20788 b6ead4cf b6e337e6 [ 138.976140] Code: eff3d840 eff3d860 eff4be00 eff48b60 (e1a0c00d) [ 138.982266] ---[ end trace 84a08c8d8b70be8a ]--- # Segmentation fault # [ 138.493640] lkdtm: Performing direct entry EXEC_KMALLOC # [ 138.501637] lkdtm: attempting ok execution at c0c30378 # [ 138.509561] lkdtm: attempting bad execution at c5dd3800 # [ 138.517634] 8<--- cut here --- # [ 138.523477] Unable to handle kernel paging request at virtual address c5dd3800 # [ 138.533134] pgd = cc5cd15c # [ 138.538356] [c5dd3800] *pgd=15c1141e(bad) # [ 138.545237] Internal error: Oops: 8000000d [#5] SMP ARM # [ 138.553322] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display imx_ldb etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 138.585028] CPU: 3 PID: 1952 Comm: cat Tainted: G D W 5.10.161-cip22 #1 # [ 138.595626] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 138.604675] PC is at 0xc5dd3800 # [ 138.610607] LR is at execute_location+0xa4/0xb4 # [ 138.617982] pc : [] lr : [] psr: 600e0013 # [ 138.626847] sp : c6255e30 ip : c6255d38 fp : c6255e4c # [ 138.634415] r10: 0000000d r9 : c1accb38 r8 : c15e8784 # [ 138.642158] r7 : c6255f60 r6 : 00000001 r5 : c5dd3800 r4 : c0c30378 # [ 138.651201] r3 : 2ce70899 r2 : 2ce70899 r1 : ef7c05e0 r0 : 0000002b # [ 138.660161] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 138.669983] Control: 10c5387d Table: 15c9804a DAC: 00000051 # [ 138.678246] Process cat (pid: 1952, stack limit = 0xf8022dfa) # [ 138.686592] Stack: (0xc6255e30 to 0xc6256000) # [ 138.693389] 5e20: c5dd3800 c6705000 0000000d c6255f60 # [ 138.704430] 5e40: c6255e64 c6255e50 c0c303c8 c1359cec 00000021 c6705000 c6255e74 c6255e68 # [ 138.715472] 5e60: c0c2f608 c0c3039c c6255e9c c6255e78 c0c2fb08 c0c2f5e8 c0c2f9e8 c47c28c0 # [ 138.726510] 5e80: b6dfb000 0000000d c5393b40 c6255f60 c6255ec4 c6255ea0 c07f6448 c0c2f9f4 # [ 138.737549] 5ea0: 00000000 c47c28c0 b6dfb000 c2816000 c6255f60 c07f63e4 c6255f5c c6255ec8 # [ 138.748589] 5ec0: c0598d2c c07f63f0 00000001 00000000 c05992c0 c44a4064 c05992c0 c6254000 # [ 138.759628] 5ee0: b6dfb000 00020000 00000004 0000000d 0001fff3 c6255ee0 00000001 00000805 # [ 138.770667] 5f00: c5b06140 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 138.781707] 5f20: 00000000 00000000 c6254000 2ce70899 b6dfa000 c47c28c0 c47c28c0 c6254000 # [ 138.792138] 5f40: b6dfb000 00000000 00000000 00000004 c6255f94 c6255f60 c05992c0 c0598c2c # [ 138.800346] 5f60: 00000000 00000000 c6255fac 2ce70899 0000000d 0000000d b6f42e00 00000004 # [ 138.808553] 5f80: c03002e4 c6254000 c6255fa4 c6255f98 c0599350 c0599258 00000000 c6255fa8 # [ 138.816759] 5fa0: c03000c0 c0599344 0000000d 0000000d 00000001 b6dfb000 0000000d 00000000 # [ 138.824966] 5fc0: 0000000d 0000000d b6f42e00 00000004 00000001 00000000 00020000 bec20a54 # [ 138.833173] 5fe0: 00000004 bec20788 b6ead4cf b6e337e6 800e0030 00000001 00000000 00000000 # [ 138.841366] Backtrace: # [ 138.843870] [] (execute_location) from [] (lkdtm_EXEC_KMALLOC+0x38/0x44) # [ 138.852342] r7:c6255f60 r6:0000000d r5:c6705000 r4:c5dd3800 # [ 138.858045] [] (lkdtm_EXEC_KMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) # [ 138.866422] r5:c6705000 r4:00000021 # [ 138.870036] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 138.878082] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 138.886031] r9:c6255f60 r8:c5393b40 r7:0000000d r6:b6dfb000 r5:c47c28c0 r4:c0c2f9e8 # [ 138.893816] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 138.901676] r9:c07f63e4 r8:c6255f60 r7:c2816000 r6:b6dfb000 r5:c47c28c0 r4:00000000 # [ 138.909453] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 138.916619] r10:00000004 r9:00000000 r8:00000000 r7:b6dfb000 r6:c6254000 r5:c47c28c0 # [ 138.924468] r4:c47c28c0 # [ 138.927033] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 138.934199] r9:c6254000 r8:c03002e4 r7:00000004 r6:b6f42e00 r5:0000000d r4:0000000d # [ 138.941977] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 138.949567] Exception stack(0xc625[ 139.478422] lkdtm: Performing direct entry EXEC_VMALLOC 5fa8 to 0xc6255ff0) # [ 138.954[ 139.484845] lkdtm: attempting ok execution at c0c30378 649] 5fa0: 0000[ 139.492766] lkdtm: attempting bad execution at f0983000 000d 0000000d 00000001 b6dfb000[ 139.500792] 8<--- cut here --- 0000000d 00000000 # [ 138.96285[ 139.506681] Unable to handle kernel paging request at virtual address f0983000 7] 5fc0: 0000000d 0000000d b6f42e[ 139.516674] pgd = a8e176c9 00 00000004 00000001 00000000 000[ 139.522236] [f0983000] *pgd=12949811, *pte=4915065f, *ppte=4915045f 20000 bec20a54 # [ 138.[9 7 1109.531331] Internal error: Oops: 8000000f [#6] SMP ARM 58] 5fe0: 00000004 bec20788 b6ead[ 139.538978] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display imx_ldb etnaviv imxdrm gpu_sched imx_ipu_v3 4cf b6e337e6 # [[ 113389..9570680] CPU: 2 PID: 2029 Comm: cat Tainted: G D W 5.10.161-cip22 #1 6140] Code[: e1f3f93.d5884005 01] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) ff3d860 eff4be00[ e f1f3498.b5688855] PC is at 0xf0983000 (e1a0c00d) # [ 138.9822[6 6 ]39.594087] LR is at execute_location+0xa4/0xb4 ---[ end tr[a c e1 3894.a60081c122] pc : [] lr : [] psr: 600e0013 d8b70be8[a ]1-3-9-. 6 0#9 2E95X sp : c672de30 ip : 00000027 fp : c672de4c EC_KMALLO[C : 1m3i9s.s6i1n6g1 6'] r10: 0000000d r9 : c1accb48 r8 : c15e8784 call trac[e :1'3:9 .[6F2A3I1L2]9] r7 : c672df60 r6 : 00000001 r5 : f0983000 r4 : c0c30378 not ok 3[2 s1e3l9f.t6e3s1t3s9:] r3 : 7e508ab5 r2 : 7e508ab5 r1 : ef7ab5e4 r0 : 0000002b lkdtm: EXEC_[K M A1L3L9O.C6.3s9h55] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # exit=1[ 1#3 9s.e6l4f8t6e9s4] Control: 10c5387d Table: 165cc04a DAC: 00000051 s: lkdtm: EXEC[_ V M1A3L9L.6O5C6.78] Process cat (pid: 2029, stack limit = 0x212de0ad) sh [ 139.663830] Stack: (0xc672de30 to 0xc672e000) [ 139.668536] de20: f0983000 c5c19000 0000000d c672df60 [ 139.676722] de40: c672de64 c672de50 c0c303fc c1359cec 00000022 c5c19000 c672de74 c672de68 [ 139.684907] de60: c0c2f608 c0c303e0 c672de9c c672de78 c0c2fb08 c0c2f5e8 c0c2f9e8 c5b7d180 [ 139.693092] de80: b6e4d000 0000000d c5393b40 c672df60 c672dec4 c672dea0 c07f6448 c0c2f9f4 [ 139.701276] dea0: 00000000 c5b7d180 b6e4d000 c2816000 c672df60 c07f63e4 c672df5c c672dec8 [ 139.709462] dec0: c0598d2c c07f63f0 00000001 00000000 c05992c0 c136f4d0 c05992c0 c672c000 [ 139.717646] dee0: b6e4d000 00020000 00000004 0000000d 0001fff3 c672dee0 00000001 b6e4c000 [ 139.725832] df00: c5b07e00 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 139.734018] df20: 00000000 00000000 c136f4d0 7e508ab5 c205c500 c5b7d180 c5b7d180 c672c000 [ 139.742205] df40: b6e4d000 00000000 00000000 00000004 c672df94 c672df60 c05992c0 c0598c2c [ 139.750391] df60: 00000000 00000000 c672dfac 7e508ab5 0000000d 0000000d b6f94e00 00000004 [ 139.758576] df80: c03002e4 c672c000 c672dfa4 c672df98 c0599350 c0599258 00000000 c672dfa8 [ 139.766761] dfa0: c03000c0 c0599344 0000000d 0000000d 00000001 b6e4d000 0000000d 00000000 [ 139.774948] dfc0: 0000000d 0000000d b6f94e00 00000004 00000001 00000000 00020000 bef03a54 [ 139.783133] dfe0: 00000004 bef03788 b6eff4cf b6e857e6 800e0030 00000001 00000000 00000000 [ 139.791313] Backtrace: [ 139.793782] [] (execute_location) from [] (lkdtm_EXEC_VMALLOC+0x28/0x34) [ 139.802229] r7:c672df60 r6:0000000d r5:c5c19000 r4:f0983000 [ 139.807902] [] (lkdtm_EXEC_VMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) [ 139.816258] r5:c5c19000 r4:00000022 [ 139.819847] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 139.827866] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 139.835793] r9:c672df60 r8:c5393b40 r7:0000000d r6:b6e4d000 r5:c5b7d180 r4:c0c2f9e8 [ 139.843550] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 139.851388] r9:c07f63e4 r8:c672df60 r7:c2816000 r6:b6e4d000 r5:c5b7d180 r4:00000000 [ 139.859140] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 139.866285] r10:00000004 r9:00000000 r8:00000000 r7:b6e4d000 r6:c672c000 r5:c5b7d180 [ 139.874119] r4:c5b7d180 [ 139.876662] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 139.883805] r9:c672c000 r8:c03002e4 r7:00000004 r6:b6f94e00 r5:0000000d r4:0000000d [ 139.891560] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 139.899133] Exception stack(0xc672dfa8 to 0xc672dff0) [ 139.904192] dfa0: 0000000d 0000000d 00000001 b6e4d000 0000000d 00000000 [ 139.912376] dfc0: 0000000d 0000000d b6f94e00 00000004 00000001 00000000 00020000 bef03a54 [ 139.920558] dfe0: 00000004 bef03788 b6eff4cf b6e857e6 [ 139.925624] Code: bad PC value [ 139.928751] ---[ end trace 84a08c8d8b70be8b ]--- # Segmentation fault # [ 139.478422] lkdtm: Performing direct entry EXEC_VMALLOC # [ 139.484845] lkdtm: attempting ok execution at c0c30378 # [ 139.492766] lkdtm: attempting bad execution at f0983000 # [ 139.500792] 8<--- cut here --- # [ 139.506681] Unable to handle kernel paging request at virtual address f0983000 # [ 139.516674] pgd = a8e176c9 # [ 139.522236] [f0983000] *pgd=12949811, *pte=4915065f, *ppte=4915045f # [ 139.531331] Internal error: Oops: 8000000f [#6] SMP ARM # [ 139.538978] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display imx_ldb etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 139.570680] CPU: 2 PID: 2029 Comm: cat Tainted: G D W 5.10.161-cip22 #1 # [ 139.580501] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 139.588855] PC is at 0xf0983000 # [ 139.594087] LR is at execute_location+0xa4/0xb4 # [ 139.601122] pc : [] lr : [] psr: 600e0013 # [ 139.609295] sp : c672de30 ip : 00000027 fp : c672de4c # [ 139.616169] r10: 0000000d r9 : c1accb48 r8 : c15e8784 # [ 139.623129] r7 : c672df60 r6 : 00000001 r5 : f0983000 r4 : c0c30378 # [ 139.631390] r3 : 7e508ab5 r2 : 7e508ab5 r1 : ef7ab5e4 r0 : 0000002b # [ 139.639655] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 139.648694] Control: 10c5387d Table: 165cc04a DAC: 00000051 # [ 139.656178] Process cat (pid: 2029, stack limit = 0x212de0ad) # [ 139.663830] Stack: (0xc672de30 to 0xc672e000) # [ 139.668536] de20: f0983000 c5c19000 0000000d c672df60 # [ 139.676722] de40: c672de64 c672de50 c0c303fc c1359cec 00000022 c5c19000 c672de74 c672de68 # [ 139.684907] de60: c0c2f608 c0c303e0 c672de9c c672de78 c0c2fb08 c0c2f5e8 c0c2f9e8 c5b7d180 # [ 139.693092] de80: b6e4d000 0000000d c5393b40 c672df60 c672dec4 c672dea0 c07f6448 c0c2f9f4 # [ 139.701276] dea0: 00000000 c5b7d180 b6e4d000 c2816000 c672df60 c07f63e4 c672df5c c672dec8 # [ 139.709462] dec0: c0598d2c c07f63f0 00000001 00000000 c05992c0 c136f4d0 c05992c0 c672c000 # [ 139.717646] dee0: b6e4d000 00020000 00000004 0000000d 0001fff3 c672dee0 00000001 b6e4c000 # [ 139.725832] df00: c5b07e00 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 139.734018] df20: 00000000 00000000 c136f4d0 7e508ab5 c205c500 c5b7d180 c5b7d180 c672c000 # [ 139.742205] df40: b6e4d000 00000000 00000000 00000004 c672df94 c672df60 c05992c0 c0598c2c # [ 139.750391] df60: 00000000 00000000 c672dfac 7e508ab5 0000000d 0000000d b6f94e00 00000004 # [ 139.758576] df80: c03002e4 c672c000 c672dfa4 c672df98 c0599350 c0599258 00000000 c672dfa8 # [ 139.766761] dfa0: c03000c0 c0599344 0000000d 0000000d 00000001 b6e4d000 0000000d 00000000 # [ 139.774948] dfc0: 0000000d 0000000d b6f94e00 00000004 00000001 00000000 00020000 bef03a54 # [ 139.783133] dfe0: 00000004 bef03788 b6eff4cf b6e857e6 800e0030 00000001 00000000 00000000 # [ 139.791313] Backtrace: # [ 139.793782] [] (execute_location) from [] (lkdtm_EXEC_VMALLOC+0x28/0x34) # [ 139.802229] r7:c672df60 r6:0000000d r5:c5c19000 r4:f0983000 # [ 139.807902] [] (lkdtm_EXEC_VMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) # [ 139.816258] r5:c5c19000 r4:00000022 # [ 139.819847] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 139.827866] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 139.835793] r9:c672df60 r8:c5393b40 r7:0000000d r6:b6e4d000 r5:c5b7d180 r4:c0c2f9e8 # [ 139.843550] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 139.851388] r9:c07f63e4 r8:c672df60 r7:c2816000 r6:b6e4d000 r5:c5b7d180 r4:00000000 # [ 139.859140] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 139.866285][ 140.392309] lkdtm: Performing direct entry EXEC_RODATA r10:00000004 r9[: 0 0104000.0400165] lkdtm: attempting ok execution at c0c30378 0 r8:00000000 r7:b6e4d000 r6:c672[ 140.407502] lkdtm: attempting bad execution at c15e8a20 c000 r5:c5b7d180 # [ 139.874119[ 140.415558] 8<--- cut here --- ] r4:c5b7d180 # [[ 114309..421407] Unable to handle kernel paging request at virtual address c15e8a20 76662] [ ] 1(4k0s.y4s0806] pgd = bd829ada _write) from [] (sys_wr[ 140.435603] [c15e8a20] *pgd=1141941e(bad) ite+0x18/0x1c) # [ 139.8838[0 5140.442494] Internal error: Oops: 8000000d [#7] SMP ARM ] r9:c672c000 r8:c03002e4 r7:000[ 140.450323] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display imx_ldb etnaviv imxdrm gpu_sched imx_ipu_v3 00004 r6:b6f94e00 r5:[0 0 0104000482041] CPU: 1 PID: 2106 Comm: cat Tainted: G D W 5.10.161-cip22 #1 0d r4:0000000d # [ 13[9 . 18490.492045] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 560] [] (sys_write) fro[ 140.500938] PC is at lkdtm_rodata_do_nothing+0x0/0x10 m [] (ret_fast_syscall+[ 140.508863] LR is at execute_location+0xa4/0xb4 0x0/0x28) # [ 139[. 8 9194103.316245] pc : [] lr : [] psr: 600e0013 ] Exception stac[k ( 01x4c06.75224687] sp : c6563e38 ip : c6563d40 fp : c6563e54 [ 140.532003] r10: 0000000c r9 : c1accb58 r8 : c15e8784 fa8 to 0xc672dff0[) 1#4 0[. 5 7251] r7 : c6563f60 r6 : 00000000 r5 : c15e8a20 r4 : c0c30378 139.904192] dfa0[: 1 4 0 . 5 45867] r3 : cce8d64b r2 : cce8d64b r1 : ef7965e0 r0 : 0000002b 0000000d 00[ 0 0104000554489] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none d 00000001 b6e4d000[ 0 0104000.063885] Control: 10c5387d Table: 167ac04a DAC: 00000051 0d 00000000 # [ 139.9123[7 6 ]140.571810] Process cat (pid: 2106, stack limit = 0x4f39f055) dfc0: 0000000d 0[0 0 0104000.d5 80075] Stack: (0xc6563e38 to 0xc6564000) 6f94e00 00000004 00000001 [0 0 0140.586529] 3e20: 00000023 c651f000 0000 00020000 bef03a54 # [ 13[9 140.597234] 3e40: 0000000c c6563f60 c6563e64 c6563e58 c1359f6c c1359cec c6563e74 c6563e68 .920558] dfe0: 00000004 bef0[3 7 140.608107] 3e60: c0c2f608 c1359f54 c6563e9c c6563e78 c0c2fb08 c0c2f5e8 c0c2f9e8 c5d17cc0 8 b6eff4cf b6e857e6 # [ 139[. 9140.618895] 3e80: b6def000 0000000c c5393b40 c6563f60 c6563ec4 c6563ea0 c07f6448 c0c2f9f4 25624] Code: bad PC value # [[ 140.629684] 3ea0: 00000000 c5d17cc0 b6def000 c2816000 c6563f60 c07f63e4 c6563f5c c6563ec8 139.928751] ---[ end trace 84[a 0140.640558] 3ec0: c0598d2c c07f63f0 00000001 00000000 c05992c0 c59c88a4 c05992c0 c6562000 8c8d8b70be8b ]--- # EXEC_VMALL[O 140.651345] 3ee0: b6def000 00020000 00000004 0000000c 0001fff4 c6563ee0 00000001 00000805 C: missing 'call trace:[' : 1[4F.662218] 3f00: c5c68b40 00000000 00000000 00000000 00000000 00000000 00000000 00000000 AIL] not ok 33 selftests: l[k d 140.672749] 3f20: 00000000 00000000 c6562000 cce8d64b b6dee000 c5d17cc0 c5d17cc0 c6562000 m: EXEC_VMALLOC.sh # exit=1 [# 140.683536] 3f40: b6def000 00000000 00000000 00000004 c6563f94 c6563f60 c05992c0 c0598c2c selftests: lkdtm: EXEC_ROD[A T A140.694321] 3f60: 00000000 00000000 c6563fac cce8d64b 0000000c 0000000c b6f36e00 00000004 sh [ 140.705023] 3f80: c03002e4 c6562000 c6563fa4 c6563f98 c0599350 c0599258 00000000 c6563fa8 [ 140.713553] 3fa0: c03000c0 c0599344 0000000c 0000000c 00000001 b6def000 0000000c 00000000 [ 140.721759] 3fc0: 0000000c 0000000c b6f36e00 00000004 00000001 00000000 00020000 bee84a54 [ 140.729966] 3fe0: 00000004 bee84788 b6ea14cf b6e277e6 800e0030 00000001 00000000 00000000 [ 140.738159] Backtrace: [ 140.740661] [] (execute_location) from [] (lkdtm_EXEC_RODATA+0x24/0x28) [ 140.749044] r7:c6563f60 r6:0000000c r5:c651f000 r4:00000023 [ 140.754753] [] (lkdtm_EXEC_RODATA) from [] (lkdtm_do_action+0x2c/0x4c) [ 140.763057] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 140.771104] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 140.779053] r9:c6563f60 r8:c5393b40 r7:0000000c r6:b6def000 r5:c5d17cc0 r4:c0c2f9e8 [ 140.786838] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 140.794698] r9:c07f63e4 r8:c6563f60 r7:c2816000 r6:b6def000 r5:c5d17cc0 r4:00000000 [ 140.802474] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 140.809640] r10:00000004 r9:00000000 r8:00000000 r7:b6def000 r6:c6562000 r5:c5d17cc0 [ 140.817488] r4:c5d17cc0 [ 140.820053] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 140.827221] r9:c6562000 r8:c03002e4 r7:00000004 r6:b6f36e00 r5:0000000c r4:0000000c [ 140.834999] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 140.842588] Exception stack(0xc6563fa8 to 0xc6563ff0) [ 140.847667] 3fa0: 0000000c 0000000c 00000001 b6def000 0000000c 00000000 [ 140.855874] 3fc0: 0000000c 0000000c b6f36e00 00000004 00000001 00000000 00020000 bee84a54 [ 140.864075] 3fe0: 00000004 bee84788 b6ea14cf b6e277e6 [ 140.869157] Code: 5f727563 6e756f63 00000074 aa55aa55 (e1a0c00d) [ 140.875281] ---[ end trace 84a08c8d8b70be8c ]--- # Segmentation fault # [ 140.392309] lkdtm: Performing direct entry EXEC_RODATA # [ 140.400165] lkdtm: attempting ok execution at c0c30378 # [ 140.407502] lkdtm: attempting bad execution at c15e8a20 # [ 140.415558] 8<--- cut here --- # [ 140.421407] Unable to handle kernel paging request at virtual address c15e8a20 # [ 140.430806] pgd = bd829ada # [ 140.435603] [c15e8a20] *pgd=1141941e(bad) # [ 140.442494] Internal error: Oops: 8000000d [#7] SMP ARM # [ 140.450323] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display imx_ldb etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 140.482041] CPU: 1 PID: 2106 Comm: cat Tainted: G D W 5.10.161-cip22 #1 # [ 140.492045] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 140.500938] PC is at lkdtm_rodata_do_nothing+0x0/0x10 # [ 140.508863] LR is at execute_location+0xa4/0xb4 # [ 140.516245] pc : [] lr : [] psr: 600e0013 # [ 140.524687] sp : c6563e38 ip : c6563d40 fp : c6563e54 # [ 140.532003] r10: 0000000c r9 : c1accb58 r8 : c15e8784 # [ 140.537251] r7 : c6563f60 r6 : 00000000 r5 : c15e8a20 r4 : c0c30378 # [ 140.545867] r3 : cce8d64b r2 : cce8d64b r1 : ef7965e0 r0 : 0000002b # [ 140.554489] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 140.563885] Control: 10c5387d Table: 167ac04a DAC: 00000051 # [ 140.571810] Process cat (pid: 2106, stack limit = 0x4f39f055) # [ 140.580075] Stack: (0xc6563e38 to 0xc6564000) # [ 140.586529] 3e20: 00000023 c651f000 # [ 140.597234] 3e40: 0000000c c6563f60 c6563e64 c6563e58 c1359f6c c1359cec c6563e74 c6563e68 # [ 140.608107] 3e60: c0c2f608 c1359f54 c6563e9c c6563e78 c0c2fb08 c0c2f5e8 c0c2f9e8 c5d17cc0 # [ 140.618895] 3e80: b6def000 0000000c c5393b40 c6563f60 c6563ec4 c6563ea0 c07f6448 c0c2f9f4 # [ 140.629684] 3ea0: 00000000 c5d17cc0 b6def000 c2816000 c6563f60 c07f63e4 c6563f5c c6563ec8 # [ 140.640558] 3ec0: c0598d2c c07f63f0 00000001 00000000 c05992c0 c59c88a4 c05992c0 c6562000 # [ 140.651345] 3ee0: b6def000 00020000 00000004 0000000c 0001fff4 c6563ee0 00000001 00000805 # [ 140.662218] 3f00: c5c68b40 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 140.672749] 3f20: 00000000 00000000 c6562000 cce8d64b b6dee000 c5d17cc0 c5d17cc0 c6562000 # [ 140.683536] 3f40: b6def000 00000000 00000000 00000004 c6563f94 c6563f60 c05992c0 c0598c2c # [ 140.694321] 3f60: 00000000 00000000 c6563fac cce8d64b 0000000c 0000000c b6f36e00 00000004 # [ 140.705023] 3f80: c03002e4 c6562000 c6563fa4 c6563f98 c0599350 c0599258 00000000 c6563fa8 # [ 140.713553] 3fa0: c03000c0 c0599344 0000000c 0000000c 00000001 b6def000 0000000c 00000000 # [ 140.721759] 3fc0: 0000000c 0000000c b6f36e00 00000004 00000001 00000000 00020000 bee84a54 # [ 140.729966] 3fe0: 00000004 bee84788 b6ea14cf b6e277e6 800e0030 00000001 00000000 00000000 # [ 140.738159] Backtrace: # [ 140.740661] [] (execute_location) from [] (lkdtm_EXEC_RODATA+0x24/0x28) # [ 140.749044] r7:c6563f60 r6:0000000c r5:c651f000 r4:00000023 # [ 140.754753] [] (lkdtm_EXEC_RODATA) from [] (lkdtm_do_action+0x2c/0x4c) # [ 140.763057] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 140.771104] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 140.779053] r9:c6563f60 r8:c5393b40 r7:0000000c r6:b6def000 r5:c5d17cc0 r4:c0c2f9e8 # [ 140.786838] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 140.794698] r9:c07f63e4 r8:c6563f60 r7:c2816000 r6:b6def000 r5:c5d17cc0 r4:00000000 # [ 140.802474] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 140.809640] r10:00000004 r9:00000000 r8:00000000 r7:b6def000 r6:c6562000 r5:c5d17cc0 # [ 140.817488] r4:c5d17cc0 # [ 140.820053] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 140.827221] r9:c6562000 r8:c03[ 141.359946] lkdtm: Performing direct entry EXEC_USERSPACE 002e4 r7:00000004 r6:b6f36e00 r5:[ 141.366585] lkdtm: attempting ok execution at c0c30378 0000000c r4:0000000c # [ 140.83[ 141.374979] lkdtm: attempting bad execution at b6fba000 4999] [] (sys_write) fr[ 141.382673] Unhandled prefetch abort: page domain fault (0x00b) at 0xb6fba000 om [] [( r e1t4_1f.a3s92606] Internal error: : b [#8] SMP ARM _syscall+0x0/0x28) # [ 140.8425[ 141.398956] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display imx_ldb etnaviv imxdrm gpu_sched imx_ipu_v3 88] Exception sta[c k (104x1c.6450659] CPU: 1 PID: 2182 Comm: cat Tainted: G D W 5.10.161-cip22 #1 63fa8 to 0x[c 6 516431f.f404)0 4 8] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 140.847667] 3[f a 01:4 1 . 448833] PC is at 0xb6fba000 00000[0 0 c1 4010.454145] LR is at lkdtm_EXEC_USERSPACE+0xc4/0xd4 0000c 00000[ 0 0114 1b.64d6e1f2070] pc : [] lr : [] psr: 600e0013 0 0000000c[ 0 0104010.040609 3 57] sp : c5c7de48 ip : c5c7dd50 fp : c5c7de64 [ 140[. 8 5154817.44]7 634f0c30 r10: 0000000f r9 : c1accb64 r8 : c15e8784 : 0000000c[ 0104010.040803c2 7b] r7 : c5c7df60 r6 : 0000000f r5 : c651f000 r4 : b6fba000 6f36e00 00[0 0 0104014. 4090105038] r3 : 8d54fb94 r2 : 8d54fb94 r1 : ef7965e0 r0 : 0000002b 001 0000000[0 0104012.04090908 7] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none bee84a54 #[ [ 1 4114.05.0886844] Control: 10c5387d Table: 1677404a DAC: 00000051 075] 3fe0: 0[0 0 0104010.45 16b4e1] Process cat (pid: 2182, stack limit = 0x8158dd11) e84788 b6ea1[4 c f1 4b16.e522737979] Stack: (0xc5c7de48 to 0xc5c7e000) 6 # [ 140.86915[7 ] 1C4o1d.e5:0247] de40: 00000001 00000000 0000000f 00000024 c5c7de74 c5c7de68 5f727563 6e756[f 6 31 4010.05040504] de60: c0c2f608 c0c30414 c5c7de9c c5c7de78 c0c2fb08 c0c2f5e8 c0c2f9e8 c47c3680 074 aa55aa55 (e1[a 0 c10401d.)5 50675] de80: b6e74000 0000000f c5393b40 c5c7df60 c5c7dec4 c5c7dea0 c07f6448 c0c2f9f4 # [ 140.87528[1 ] 1-4-1-.[5 6e933] dea0: 00000000 c47c3680 b6e74000 c2816000 c5c7df60 c07f63e4 c5c7df5c c5c7dec8 nd trace 84a08[c 8 d184b17.05b7e1105] dec0: c0598d2c c07f63f0 00000001 00000000 c05992c0 c136f4d0 c05992c0 c5c7c000 c ]--- # EXEC_R[O D A1T4A1:. 5m81278] dee0: b6e74000 00020000 00000004 0000000f 0001fff1 c5c7dee0 00000001 b6e73000 ssing 'call tr[a c e1:4'1:.5 9[1F34] df00: c5b7c8c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 AIL] not ok 34 [s e l1f4t1e.s6t01620] df20: 00000000 00000000 c136f4d0 8d54fb94 c205c500 c47c3680 c47c3680 c5c7c000 : lkdtm: EXEC[_ R O1D4A1T.A6.1s1h75] df40: b6e74000 00000000 00000000 00000004 c5c7df94 c5c7df60 c05992c0 c0598c2c # exit=1 # se[l f t1e4s1t.s6:2 961] df60: 00000000 00000000 c5c7dfac 8d54fb94 0000000f 0000000f b6fbbe00 00000004 lkdtm: EXEC_USER[S P A1C4E1..s6h32132] df80: c03002e4 c5c7c000 c5c7dfa4 c5c7df98 c0599350 c0599258 00000000 c5c7dfa8 [ 141.642388] dfa0: c03000c0 c0599344 0000000f 0000000f 00000001 b6e74000 0000000f 00000000 [ 141.650651] dfc0: 0000000f 0000000f b6fbbe00 00000004 00000001 00000000 00020000 be92aa54 [ 141.658837] dfe0: 00000004 be92a788 b6f264cf b6eac7e6 800e0030 00000001 00000000 00000000 [ 141.667016] Backtrace: [ 141.669483] [] (lkdtm_EXEC_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) [ 141.678013] r4:00000024 [ 141.680558] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 141.688577] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 141.696501] r9:c5c7df60 r8:c5393b40 r7:0000000f r6:b6e74000 r5:c47c3680 r4:c0c2f9e8 [ 141.704258] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 141.712097] r9:c07f63e4 r8:c5c7df60 r7:c2816000 r6:b6e74000 r5:c47c3680 r4:00000000 [ 141.719851] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 141.726994] r10:00000004 r9:00000000 r8:00000000 r7:b6e74000 r6:c5c7c000 r5:c47c3680 [ 141.734827] r4:c47c3680 [ 141.737371] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 141.744514] r9:c5c7c000 r8:c03002e4 r7:00000004 r6:b6fbbe00 r5:0000000f r4:0000000f [ 141.752267] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 141.759841] Exception stack(0xc5c7dfa8 to 0xc5c7dff0) [ 141.764899] dfa0: 0000000f 0000000f 00000001 b6e74000 0000000f 00000000 [ 141.773083] dfc0: 0000000f 0000000f b6fbbe00 00000004 00000001 00000000 00020000 be92aa54 [ 141.781264] dfe0: 00000004 be92a788 b6f264cf b6eac7e6 [ 141.786327] Code: bad PC value [ 141.789395] ---[ end trace 84a08c8d8b70be8d ]--- # Segmentation fault # [ 141.359946] lkdtm: Performing direct entry EXEC_USERSPACE # [ 141.366585] lkdtm: attempting ok execution at c0c30378 # [ 141.374979] lkdtm: attempting bad execution at b6fba000 # [ 141.382673] Unhandled prefetch abort: page domain fault (0x00b) at 0xb6fba000 # [ 141.392606] Internal error: : b [#8] SMP ARM # [ 141.398956] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display imx_ldb etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 141.430659] CPU: 1 PID: 2182 Comm: cat Tainted: G D W 5.10.161-cip22 #1 # [ 141.440478] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 141.448833] PC is at 0xb6fba000 # [ 141.454145] LR is at lkdtm_EXEC_USERSPACE+0xc4/0xd4 # [ 141.461270] pc : [] lr : [] psr: 600e0013 # [ 141.469357] sp : c5c7de48 ip : c5c7dd50 fp : c5c7de64 # [ 141.476403] r10: 0000000f r9 : c1accb64 r8 : c15e8784 # [ 141.483277] r7 : c5c7df60 r6 : 0000000f r5 : c651f000 r4 : b6fba000 # [ 141.491538] r3 : 8d54fb94 r2 : 8d54fb94 r1 : ef7965e0 r0 : 0000002b # [ 141.499887] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 141.508844] Control: 10c5387d Table: 1677404a DAC: 00000051 # [ 141.516411] Process cat (pid: 2182, stack limit = 0x8158dd11) # [ 141.523979] Stack: (0xc5c7de48 to 0xc5c7e000) # [ 141.530247] de40: 00000001 00000000 0000000f 00000024 c5c7de74 c5c7de68 # [ 141.540504] de60: c0c2f608 c0c30414 c5c7de9c c5c7de78 c0c2fb08 c0c2f5e8 c0c2f9e8 c47c3680 # [ 141.550675] de80: b6e74000 0000000f c5393b40 c5c7df60 c5c7dec4 c5c7dea0 c07f6448 c0c2f9f4 # [ 141.560933] dea0: 00000000 c47c3680 b6e74000 c2816000 c5c7df60 c07f63e4 c5c7df5c c5c7dec8 # [ 141.571105] dec0: c0598d2c c07f63f0 00000001 00000000 c05992c0 c136f4d0 c05992c0 c5c7c000 # [ 141.581278] dee0: b6e74000 00020000 00000004 0000000f 0001fff1 c5c7dee0 00000001 b6e73000 # [ 141.591534] df00: c5b7c8c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 141.601620] df20: 00000000 00000000 c136f4d0 8d54fb94 c205c500 c47c3680 c47c3680 c5c7c000 # [ 141.611875] df40: b6e74000 00000000 00000000 00000004 c5c7df94 c5c7df60 c05992c0 c0598c2c # [ 141.621961] df60: 00000000 00000000 c5c7dfac 8d54fb94 0000000f 0000000f b6fbbe00 00000004 # [ 141.632132] df80: c03002e4 c5c7c000 c5c7dfa4 c5c7df98 c0599350 c0599258 00000000 c5c7dfa8 # [ 141.642388] dfa0: c03000c0 c0599344 0000000f 0000000f 00000001 b6e74000 0000000f 00000000 # [ 141.650651] dfc0: 0000000f 0000000f b6fbbe00 00000004 00000001 00000000 00020000 be92aa54 # [ 141.658837] dfe0: 00000004 be92a788 b6f264cf b6eac7e6 800e0030 00000001 00000000 00000000 # [ 141.667016] Backtrace: # [ 141.669483] [] (lkdtm_EXEC_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 141.678013] r4:00000024 # [ 141.680558] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 141.688577] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 141.696501] r9:c5c7df60 r8:c5393b40 r7:0000000f r6:b6e74000 r5:c47c3680 r4:c0c2f9e8 # [ 141.704258] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 141.712097] r9:c07f63e4 r8:c5c7df60 r7:c2816000 r6:b6e74000 r5:c47c3680 r4:00000000 # [ 141.719851] [] (vfs_write) from [][ 142.378266] lkdtm: attempting ok execution at c0c30378 (ksys_write+0x74/0xec) # [ 141[ 142.386214] lkdtm: attempting bad execution at 00000000 .726994] r10:00000004 r9:0000000[ 142.394230] 8<--- cut here --- 0 r8:00000000 r7:[b 61e4724.04000098] Unable to handle kernel NULL pointer dereference at virtual address 00000000 r6:c5c7c000 r5:c47c3680 # [ 14[ 142.410304] pgd = a8e176c9 1.734827] r4:c47c3680 # [ 141.[ 142.415879] [00000000] *pgd=00000000 737371] [] (ksys_write)[ 142.422319] Internal error: Oops: 80000005 [#9] SMP ARM from [] (sys_write+0x1[ 142.430372] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display imx_ldb etnaviv imxdrm gpu_sched imx_ipu_v3 8/0x1c) # [ 141.744[5 1 41]4 2 462076] CPU: 1 PID: 2253 Comm: cat Tainted: G D W 5.10.161-cip22 #1 r9:c5c7c000 [r 8 :1c4023.040722e068] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) r7:00000004 r6:b6fb[b e 0104 2r.480509] PC is at 0x0 :0000000f r4:0000000f # [ 1[4 1142.485303] LR is at execute_location+0xa4/0xb4 .752267] [[< c 0154929.343982>4]25] pc : [<00000000>] lr : [] psr: 600e0013 (sys_write[) f1r4o2m. 5[0<05c10] sp : c652de38 ip : c652dd40 fp : c652de54 3000c0>] ([r e t1_4f2a.s5t0_7s4y71] r10: 0000000a r9 : c1accb74 r8 : c15e8784 call+0x0/0[x 2 81)4 2 .#5 1[4 5 17] r7 : c652df60 r6 : 00000000 r5 : 00000000 r4 : c0c30378 41.75[9 8 4114]2 .E5x2c2e8p6t5i] r3 : c8352870 r2 : c8352870 r1 : ef7965e0 r0 : 0000002b n stack(0xc5c[7 d f1a482 .t5o3 0057] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none xc5c7dff0) [# [1 4 21.4513.97999] Control: 10c5387d Table: 165cc04a DAC: 00000051 4899] dfa0: [ 14 2 . 5 4 7 55] Process cat (pid: 2253, stack limit = 0x0be0f763) 000[0 0 0104f2 .05050503007] Stack: (0xc652de38 to 0xc652e000) 0f 00000001 b[6 e 7144020.05 601086] de20: 00000025 c65bc000 00000f 00000000[ #1 4[2 . 5174573] de40: 0000000a c652df60 c652de64 c652de58 c1359f90 c1359cec c652de74 c652de68 1.773083] dfc0: [0 0 010402.0508f745] de60: c0c2f608 c1359f7c c652de9c c652de78 c0c2fb08 c0c2f5e8 c0c2f9e8 c5b71540 0000000f b6fbbe[0 0 104020.05091917] de80: b6e52000 0000000a c5393b40 c652df60 c652dec4 c652dea0 c07f6448 c0c2f9f4 04 00000001 [0 0 0104020.0600 20174] dea0: 00000000 c5b71540 b6e52000 c2816000 c652df60 c07f63e4 c652df5c c652dec8 020000 be92aa54 [ # 1[4 2 .16412262] dec0: c0598d2c c07f63f0 00000001 00000000 c05992c0 c136f4d0 c05992c0 c652c000 .781264] dfe0: [0 0 010402.060242519] dee0: b6e52000 00020000 00000004 0000000a 0001fff6 c652dee0 00000001 b6e51000 be92a788 b6f26[4 c f1 4b26.e6a3c2690] df00: c62d4280 00000000 00000000 00000000 00000000 00000000 00000000 00000000 e6 # [ 141.[7 8 6134227.]6 4C2o61] df20: 00000000 00000000 c136f4d0 c8352870 c205c500 c5b71540 c5b71540 c652c000 de: bad PC valu[e 1#4 2[. 6 51948] df40: b6e52000 00000000 00000000 00000004 c652df94 c652df60 c05992c0 c0598c2c 41.789395] ---[[ e n1d4 2t.r6a6c120] df60: 00000000 00000000 c652dfac c8352870 0000000a 0000000a b6f99e00 00000004 e 84a08c8d8b70b[e 8 d1 4]2-.-6-7 292] df80: c03002e4 c652c000 c652dfa4 c652df98 c0599350 c0599258 00000000 c652dfa8 # EXEC_USERSPA[C E :1 4m2i.s6s8i462] dfa0: c03000c0 c0599344 0000000a 0000000a 00000001 b6e52000 0000000a 00000000 ng 'call trace:[' : 1[4F2A.I6L9]634] dfc0: 0000000a 0000000a b6f99e00 00000004 00000001 00000000 00020000 becf1a54 not ok 35 sel[f t e1s4t2s.:7 0l805] dfe0: 00000004 becf1788 b6f044cf b6e8a7e6 800e0030 00000001 00000000 00000000 kdtm: EXEC_U[S E R1S4P2A.C7E1.3s971] Backtrace: # exit=1 # selftests: l[k d t1m2.718337] [] (execute_location) from [] (lkdtm_EXEC_NULL+0x20/0x24) : EXEC_NULL.sh[ 142.728937] r7:c652df60 r6:0000000a r5:c65bc000 r4:00000025 [ 142.735994] [] (lkdtm_EXEC_NULL) from [] (lkdtm_do_action+0x2c/0x4c) [ 142.744095] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 142.752114] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 142.760039] r9:c652df60 r8:c5393b40 r7:0000000a r6:b6e52000 r5:c5b71540 r4:c0c2f9e8 [ 142.767796] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 142.775634] r9:c07f63e4 r8:c652df60 r7:c2816000 r6:b6e52000 r5:c5b71540 r4:00000000 [ 142.783386] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 142.790531] r10:00000004 r9:00000000 r8:00000000 r7:b6e52000 r6:c652c000 r5:c5b71540 [ 142.798363] r4:c5b71540 [ 142.800907] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 142.808050] r9:c652c000 r8:c03002e4 r7:00000004 r6:b6f99e00 r5:0000000a r4:0000000a [ 142.815806] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 142.823380] Exception stack(0xc652dfa8 to 0xc652dff0) [ 142.828440] dfa0: 0000000a 0000000a 00000001 b6e52000 0000000a 00000000 [ 142.836627] dfc0: 0000000a 0000000a b6f99e00 00000004 00000001 00000000 00020000 becf1a54 [ 142.844811] dfe0: 00000004 becf1788 b6f044cf b6e8a7e6 [ 142.849877] Code: bad PC value [ 142.853017] ---[ end trace 84a08c8d8b70be8e ]--- # Segmentation fault # [ 142.371945] lkdtm: Performing direct entry EXEC_NULL # [ 142.378266] lkdtm: attempting ok execution at c0c30378 # [ 142.386214] lkdtm: attempting bad execution at 00000000 # [ 142.394230] 8<--- cut here --- # [ 142.400098] Unable to handle kernel NULL pointer dereference at virtual address 00000000 # [ 142.410304] pgd = a8e176c9 # [ 142.415879] [00000000] *pgd=00000000 # [ 142.422319] Internal error: Oops: 80000005 [#9] SMP ARM # [ 142.430372] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display imx_ldb etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 142.462076] CPU: 1 PID: 2253 Comm: cat Tainted: G D W 5.10.161-cip22 #1 # [ 142.472068] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 142.480509] PC is at 0x0 # [ 142.485303] LR is at execute_location+0xa4/0xb4 # [ 142.492425] pc : [<00000000>] lr : [] psr: 600e0013 # [ 142.500512] sp : c652de38 ip : c652dd40 fp : c652de54 # [ 142.507471] r10: 0000000a r9 : c1accb74 r8 : c15e8784 # [ 142.514517] r7 : c652df60 r6 : 00000000 r5 : 00000000 r4 : c0c30378 # [ 142.522865] r3 : c8352870 r2 : c8352870 r1 : ef7965e0 r0 : 0000002b # [ 142.530957] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 142.539999] Control: 10c5387d Table: 165cc04a DAC: 00000051 # [ 142.547655] Process cat (pid: 2253, stack limit = 0x0be0f763) # [ 142.555307] Stack: (0xc652de38 to 0xc652e000) # [ 142.561486] de20: 00000025 c65bc000 # [ 142.571573] de40: 0000000a c652df60 c652de64 c652de58 c1359f90 c1359cec c652de74 c652de68 # [ 142.581745] de60: c0c2f608 c1359f7c c652de9c c652de78 c0c2fb08 c0c2f5e8 c0c2f9e8 c5b71540 # [ 142.591917] de80: b6e52000 0000000a c5393b40 c652df60 c652dec4 c652dea0 c07f6448 c0c2f9f4 # [ 142.602174] dea0: 00000000 c5b71540 b6e52000 c2816000 c652df60 c07f63e4 c652df5c c652dec8 # [ 142.612262] dec0: c0598d2c c07f63f0 00000001 00000000 c05992c0 c136f4d0 c05992c0 c652c000 # [ 142.622519] dee0: b6e52000 00020000 00000004 0000000a 0001fff6 c652dee0 00000001 b6e51000 # [ 142.632690] df00: c62d4280 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 142.642861] df20: 00000000 00000000 c136f4d0 c8352870 c205c500 c5b71540 c5b71540 c652c000 # [ 142.652948] df40: b6e52000 00000000 00000000 00000004 c652df94 c652df60 c05992c0 c0598c2c # [ 142.663120] df60: 00000000 00000000 c652dfac c8352870 0000000a 0000000a b6f99e00 00000004 # [ 142.673292] df80: c03002e4 c652c000 c652dfa4 c652df98 c0599350 c0599258 00000000 c652dfa8 # [ 142.683462] dfa0: c03000c0 c0599344 0000000a 0000000a 00000001 b6e52000 0000000a 00000000 # [ 142.693634] dfc0: 0000000a 0000000a b6f99e00 00000004 00000001 00000000 00020000 becf1a54 # [ 142.703805] dfe0: 00000004 becf1788 b6f044cf b6e8a7e6 800e0030 00000001 00000000 00000000 # [ 142.713971] Backtrace: # [ 142.718337] [] (execute_location) from [] (lkdtm_EXEC_NULL+0x20/0x24) # [ 142.728937] r7:c652df60 r6:0000000a r5:c65bc000 r4:00000025 # [ 142.735994] [] (lkdtm_EXEC_NULL) from [] (lkdtm_do_action+0x2c/0x4c) # [ 142.744095] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 142.752114] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 142.760039] r9:c652df60 r8:c5393b40 r7:0000000a r6:b6e52000 r5:c5b71540 r4:c0c2f9e8 # [ 142.767796] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 142.775634] r9:c07f63e4 r8:c652df60 r7:c2816000 r6:b6e52000 r5:c5b71540 r4:00000000 # [ 142.783386] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 142.790531] r10:00000004 r9:00000000 r8:00000000 r7:b6e52000 r6:c652c000 r5:c5b71540 # [ 142.798363] r4:c5b71540 # [ 142.800907] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 142.808050] r9:c652c000 r8:c03002e4 r7:00000004 r6:b6f99e00 r5:000000[ 143.349762] lkdtm: Performing direct entry ACCESS_USERSPACE 0a r4:0000000a # [ 142.815806] [ 143.356935] lkdtm: attempting bad read at b6f0f000 [] (sys_write) from [] (re[t _ f1a4s3t._3s7y0s35] Unhandled fault: page domain fault (0x01b) at 0xb6f0f000 call+0x0/0x2[8 ) 1 43#. 3[7 8 419] pgd = bd829ada 42.823380] Exception stack(0xc6[5 143.383037] [b6f0f000] *pgd=4b815831 2dfa8 to 0xc652dff0) # [ 142.82 143.389320] Internal error: : 1b [#10] SMP ARM 8440] dfa0: 000[ 143.396537] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display imx_ldb etnaviv imxdrm gpu_sched imx_ipu_v3 0000a 0000000a 00000001 b6e5200[0 143.428255] CPU: 2 PID: 2329 Comm: cat Tainted: G D W 5.10.161-cip22 #1 0000000a 00000000[ #1 4[3 .4 8686] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 142.836627] dfc0: 0000000a 000000[ 143.447318] PC is at lkdtm_ACCESS_USERSPACE+0x114/0x16c 0a b6f99e00 00000004 00000001 000[ 143.455424] LR is at __irq_work_queue_local+0x40/0x74 00000 00020000 becf1a5[4 1#4 3.463329] pc : [] lr : [] psr: 600e0013 142.844811] dfe0: [0 0 0104030.471943] sp : c5a03e38 ip : c5a03d40 fp : c5a03e64 4 becf1788 b6f[0 4 41c4f3 .b467e9429] r10: 00000011 r9 : c1accb80 r8 : c15e8784 a7e6 # [ 142.84[9 8 7174]3 .C4o6660] r7 : c5a03f60 r6 : 00000051 r5 : c5a02000 r4 : b6f0f000 de: bad PC value [ # 1[43 . 4195276] r3 : d53fff30 r2 : d53fff30 r1 : ef7ab5e0 r0 : 00000026 2.853017] ---[ end t[r a c1e4 38.503897] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none a08c8d8b70be8e ]---[ #1 4E3X.E13295] Control: 10c5387d Table: 167ac04a DAC: 00000051 C_NULL: missing 'call tr[a c e1:43.521219] Process cat (pid: 2329, stack limit = 0x82b2a113) : [FAIL] not ok[ 3 61 4s3e.l5f29397] Stack: (0xc5a03e38 to 0xc5a04000) ests: lkdtm: EXEC_NU[L L .1s4h3 .535848] 3e20: 00000022 00000000 exit=1 # selftests: lkdtm:[ A 143.546296] 3e40: 00000000 d53fff30 c5a03e6c 00000026 c6083000 00000011 c5a03e74 c5a03e68 CESS_USERSPACE.sh [ 143.557084] 3e60: c0c2f608 c0c304e8 c5a03e9c c5a03e78 c0c2fb08 c0c2f5e8 c0c2f9e8 c62d5040 [ 143.566914] 3e80: b6dc9000 00000011 c5393b40 c5a03f60 c5a03ec4 c5a03ea0 c07f6448 c0c2f9f4 [ 143.575123] 3ea0: 00000000 c62d5040 b6dc9000 c2816000 c5a03f60 c07f63e4 c5a03f5c c5a03ec8 [ 143.583331] 3ec0: c0598d2c c07f63f0 00000001 00000000 c05992c0 c136f4d0 c05992c0 c5a02000 [ 143.591538] 3ee0: b6dc9000 00020000 00000004 00000011 0001ffef c5a03ee0 00000001 b6dc8000 [ 143.599743] 3f00: c66b0c80 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 143.607951] 3f20: 00000000 00000000 c136f4d0 d53fff30 c205c500 c62d5040 c62d5040 c5a02000 [ 143.616159] 3f40: b6dc9000 00000000 00000000 00000004 c5a03f94 c5a03f60 c05992c0 c0598c2c [ 143.624367] 3f60: 00000000 00000000 c5a03fac d53fff30 00000011 00000011 b6f10e00 00000004 [ 143.632574] 3f80: c03002e4 c5a02000 c5a03fa4 c5a03f98 c0599350 c0599258 00000000 c5a03fa8 [ 143.640782] 3fa0: c03000c0 c0599344 00000011 00000011 00000001 b6dc9000 00000011 00000000 [ 143.648990] 3fc0: 00000011 00000011 b6f10e00 00000004 00000001 00000000 00020000 bed47a54 [ 143.657196] 3fe0: 00000004 bed47788 b6e7b4cf b6e017e6 800e0030 00000001 00000000 00000000 [ 143.665388] Backtrace: [ 143.667897] [] (lkdtm_ACCESS_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) [ 143.676625] r6:00000011 r5:c6083000 r4:00000026 [ 143.681281] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 143.689327] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 143.697275] r9:c5a03f60 r8:c5393b40 r7:00000011 r6:b6dc9000 r5:c62d5040 r4:c0c2f9e8 [ 143.705056] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 143.712917] r9:c07f63e4 r8:c5a03f60 r7:c2816000 r6:b6dc9000 r5:c62d5040 r4:00000000 [ 143.720693] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 143.727860] r10:00000004 r9:00000000 r8:00000000 r7:b6dc9000 r6:c5a02000 r5:c62d5040 [ 143.735709] r4:c62d5040 [ 143.738276] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 143.745441] r9:c5a02000 r8:c03002e4 r7:00000004 r6:b6f10e00 r5:00000011 r4:00000011 [ 143.753220] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 143.760810] Exception stack(0xc5a03fa8 to 0xc5a03ff0) [ 143.765891] 3fa0: 00000011 00000011 00000001 b6dc9000 00000011 00000000 [ 143.774099] 3fc0: 00000011 00000011 b6f10e00 00000004 00000001 00000000 00020000 bed47a54 [ 143.782300] 3fe0: 00000004 bed47788 b6e7b4cf b6e017e6 [ 143.787382] Code: e1a01004 e30d0aa4 e34c01ac eb1c7aab (e5943000) [ 143.793504] ---[ end trace 84a08c8d8b70be8f ]--- # Segmentation fault # [ 143.349762] lkdtm: Performing direct entry ACCESS_USERSPACE # [ 143.356935] lkdtm: attempting bad read at b6f0f000 # [ 143.364395] 8<--- cut here --- # [ 143.370235] Unhandled fault: page domain fault (0x01b) at 0xb6f0f000 # [ 143.378499] pgd = bd829ada # [ 143.383037] [b6f0f000] *pgd=4b815831 # [ 143.389320] Internal error: : 1b [#10] SMP ARM # [ 143.396537] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display imx_ldb etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 143.428255] CPU: 2 PID: 2329 Comm: cat Tainted: G D W 5.10.161-cip22 #1 # [ 143.438686] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 143.447318] PC is at lkdtm_ACCESS_USERSPACE+0x114/0x16c # [ 143.455424] LR is at __irq_work_queue_local+0x40/0x74 # [ 143.463329] pc : [] lr : [] psr: 600e0013 # [ 143.471943] sp : c5a03e38 ip : c5a03d40 fp : c5a03e64 # [ 143.479429] r10: 00000011 r9 : c1accb80 r8 : c15e8784 # [ 143.486660] r7 : c5a03f60 r6 : 00000051 r5 : c5a02000 r4 : b6f0f000 # [ 143.495276] r3 : d53fff30 r2 : d53fff30 r1 : ef7ab5e0 r0 : 00000026 # [ 143.503897] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 143.513295] Control: 10c5387d Table: 167ac04a DAC: 00000051 # [ 143.521219] Process cat (pid: 2329, stack limit = 0x82b2a113) # [ 143.529397] Stack: (0xc5a03e38 to 0xc5a04000) # [ 143.535848] 3e20: 00000022 00000000 # [ 143.546296] 3e40: 00000000 d53fff30 c5a03e6c 00000026 c6083000 00000011 c5a03e74 c5a03e68 # [ 143.557084] 3e60: c0c2f608 c0c304e8 c5a03e9c c5a03e78 c0c2fb08 c0c2f5e8 c0c2f9e8 c62d5040 # [ 143.566914] 3e80: b6dc9000 00000011 c5393b40 c5a03f60 c5a03ec4 c5a03ea0 c07f6448 c0c2f9f4 # [ 143.575123] 3ea0: 00000000 c62d5040 b6dc9000 c2816000 c5a03f60 c07f63e4 c5a03f5c c5a03ec8 # [ 143.583331] 3ec0: c0598d2c c07f63f0 00000001 00000000 c05992c0 c136f4d0 c05992c0 c5a02000 # [ 143.591538] 3ee0: b6dc9000 00020000 00000004 00000011 0001ffef c5a03ee0 00000001 b6dc8000 # [ 143.599743] 3f00: c66b0c80 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 143.607951] 3f20: 00000000 00000000 c136f4d0 d53fff30 c205c500 c62d5040 c62d5040 c5a02000 # [ 143.616159] 3f40: b6dc9000 00000000 00000000 00000004 c5a03f94 c5a03f60 c05992c0 c0598c2c # [ 143.624367] 3f60: 00000000 00000000 c5a03fac d53fff30 00000011 00000011 b6f10e00 00000004 # [ 143.632574] 3f80: c03002e4 c5a02000 c5a03fa4 c5a03f98 c0599350 c0599258 00000000 c5a03fa8 # [ 143.640782] 3fa0: c03000c0 c0599344 00000011 00000011 00000001 b6dc9000 00000011 00000000 # [ 143.648990] 3fc0: 00000011 00000011 b6f10e00 00000004 00000001 00000000 00020000 bed47a54 # [ 143.657196] 3fe0: 00000004 bed47788 b6e7b4cf b6e017e6 800e0030 00000001 00000000 00000000 # [ 143.665388] Backtrace: # [ 143.667897] [] (lkdtm_ACCESS_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 143.676625] r6:00000011 r5:c6083000 r4:00000026 # [ 143.681281] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 143.689327] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 143.697275] r9:c5a03f60 r8:c5393b40 r7:00000011 r6:b6dc9000 r5:c62d5040 r4:c0c2f9e8 # [ 143.705056] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 143.712917] r9:c07f63e4 r8:c5a03f60 r7:c2816000 r6:b6dc9000 r5:c62d5040 r4:00000000 # [ 143.720693] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 143.727860] r10:00000004 r9:00000000 r8:00000000 r7:b6dc9000 r6:c5a02000 r5:c62d5040 # [ 143.735709] r4:c62d5040 # [ 143.738276] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 143.745441] r9:c5a02000 r8:c03002e4 r7:00000004 r6:b6f10e00 r5:00000011 r4:00000011 # [ 143.753220] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 143.760810] Exception stack(0xc5a03fa8 to 0xc5a03ff0) # [ 143.765891] 3fa0: 00000011 00000011 00000001 b6dc9000 00000011 00000000 # [ 143.774099] 3fc0: 00000011 00000011 b6f10e00 00000004 00000001 00000000 00020000 bed47a54 [ 144.294145] lkdtm: Performing direct entry ACCESS_NULL # [ 143.782300] 3fe0: 000000[0 144.300056] lkdtm: attempting bad read at 00000000 bed47788 b6e7b4cf b6e017e6 # [ [ 144.307740] 8<--- cut here --- 143.787382] Code: e1a01004 e30d0[ 144.313601] Unable to handle kernel NULL pointer dereference at virtual address 00000000 aa4 e34c01ac eb1c7aab (e5943000) [ 144.324496] pgd = cc5cd15c # [ 143.793504] ---[ end tr[a 144.330005] [00000000] *pgd=00000000 e 84a08c8d8b70be8f ]--- # ACCESS[ 144.336412] Internal error: Oops: 5 [#11] SMP ARM _USERSPACE: missing 'call trace:'[ 144.343855] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display imx_ldb etnaviv imxdrm gpu_sched imx_ipu_v3 : [FAIL] not ok [3 7 1s4e4l.f3t5559] CPU: 3 PID: 2404 Comm: cat Tainted: G D W 5.10.161-cip22 #1 ests: lkdt[m : 1A4C4C.E3S8S5_3U79] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) ERSPACE.sh # exit=1 # selftests[ 144.393741] PC is at lkdtm_ACCESS_NULL+0x28/0x68 lkdtm: ACCESS_NULL.sh [ 144.401132] LR is at __irq_work_queue_local+0x40/0x74 [ 144.408253] pc : [] lr : [] psr: 600e0013 [ 144.414524] sp : c64f1e50 ip : c64f1d58 fp : c64f1e64 [ 144.419753] r10: 0000000c r9 : c1accb94 r8 : c15e8784 [ 144.424984] r7 : c64f1f60 r6 : 0000000c r5 : c6073000 r4 : 00000000 [ 144.431516] r3 : a9da0e65 r2 : a9da0e65 r1 : ef7c05e0 r0 : 00000026 [ 144.438049] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 144.445189] Control: 10c5387d Table: 15c9804a DAC: 00000051 [ 144.450943] Process cat (pid: 2404, stack limit = 0xe51a62ce) [ 144.456694] Stack: (0xc64f1e50 to 0xc64f2000) [ 144.461059] 1e40: 00000027 c6073000 c64f1e74 c64f1e68 [ 144.469246] 1e60: c0c2f608 c1359fa0 c64f1e9c c64f1e78 c0c2fb08 c0c2f5e8 c0c2f9e8 c5b06dc0 [ 144.477431] 1e80: b6e06000 0000000c c5393b40 c64f1f60 c64f1ec4 c64f1ea0 c07f6448 c0c2f9f4 [ 144.485614] 1ea0: 00000000 c5b06dc0 b6e06000 c2816000 c64f1f60 c07f63e4 c64f1f5c c64f1ec8 [ 144.493802] 1ec0: c0598d2c c07f63f0 00000001 00000000 c05992c0 c136f4d0 c05992c0 c64f0000 [ 144.501986] 1ee0: b6e06000 00020000 00000004 0000000c 0001fff4 c64f1ee0 00000001 b6e05000 [ 144.510172] 1f00: c62d6780 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 144.518358] 1f20: 00000000 00000000 c136f4d0 a9da0e65 c205c500 c5b06dc0 c5b06dc0 c64f0000 [ 144.526544] 1f40: b6e06000 00000000 00000000 00000004 c64f1f94 c64f1f60 c05992c0 c0598c2c [ 144.534731] 1f60: 00000000 00000000 c64f1fac a9da0e65 0000000c 0000000c b6f4de00 00000004 [ 144.542916] 1f80: c03002e4 c64f0000 c64f1fa4 c64f1f98 c0599350 c0599258 00000000 c64f1fa8 [ 144.551100] 1fa0: c03000c0 c0599344 0000000c 0000000c 00000001 b6e06000 0000000c 00000000 [ 144.559286] 1fc0: 0000000c 0000000c b6f4de00 00000004 00000001 00000000 00020000 bedf3a54 [ 144.567470] 1fe0: 00000004 bedf3788 b6eb84cf b6e3e7e6 800e0030 00000001 00000000 00000000 [ 144.575649] Backtrace: [ 144.578123] [] (lkdtm_ACCESS_NULL) from [] (lkdtm_do_action+0x2c/0x4c) [ 144.586394] r5:c6073000 r4:00000027 [ 144.589982] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 144.598002] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 144.605930] r9:c64f1f60 r8:c5393b40 r7:0000000c r6:b6e06000 r5:c5b06dc0 r4:c0c2f9e8 [ 144.613690] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 144.621530] r9:c07f63e4 r8:c64f1f60 r7:c2816000 r6:b6e06000 r5:c5b06dc0 r4:00000000 [ 144.629282] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 144.636425] r10:00000004 r9:00000000 r8:00000000 r7:b6e06000 r6:c64f0000 r5:c5b06dc0 [ 144.644257] r4:c5b06dc0 [ 144.646800] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 144.653944] r9:c64f0000 r8:c03002e4 r7:00000004 r6:b6f4de00 r5:0000000c r4:0000000c [ 144.661699] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 144.669274] Exception stack(0xc64f1fa8 to 0xc64f1ff0) [ 144.674333] 1fa0: 0000000c 0000000c 00000001 b6e06000 0000000c 00000000 [ 144.682519] 1fc0: 0000000c 0000000c b6f4de00 00000004 00000001 00000000 00020000 bedf3a54 [ 144.690701] 1fe0: 00000004 bedf3788 b6eb84cf b6e3e7e6 [ 144.695762] Code: e30d0aa4 e34c01ac e1a01004 ebffd438 (e5945000) [ 144.701960] ---[ end trace 84a08c8d8b70be90 ]--- # Segmentation fault # [ 144.294145] lkdtm: Performing direct entry ACCESS_NULL # [ 144.300056] lkdtm: attempting bad read at 00000000 # [ 144.307740] 8<--- cut here --- # [ 144.313601] Unable to handle kernel NULL pointer dereference at virtual address 00000000 # [ 144.324496] pgd = cc5cd15c # [ 144.330005] [00000000] *pgd=00000000 # [ 144.336412] Internal error: Oops: 5 [#11] SMP ARM # [ 144.343855] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display imx_ldb etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 144.375559] CPU: 3 PID: 2404 Comm: cat Tainted: G D W 5.10.161-cip22 #1 # [ 144.385379] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 144.393741] PC is at lkdtm_ACCESS_NULL+0x28/0x68 # [ 144.401132] LR is at __irq_work_queue_local+0x40/0x74 # [ 144.408253] pc : [] lr : [] psr: 600e0013 # [ 144.414524] sp : c64f1e50 ip : c64f1d58 fp : c64f1e64 # [ 144.419753] r10: 0000000c r9 : c1accb94 r8 : c15e8784 # [ 144.424984] r7 : c64f1f60 r6 : 0000000c r5 : c6073000 r4 : 00000000 # [ 144.431516] r3 : a9da0e65 r2 : a9da0e65 r1 : ef7c05e0 r0 : 00000026 # [ 144.438049] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 144.445189] Control: 10c5387d Table: 15c9804a DAC: 00000051 # [ 144.450943] Process cat (pid: 2404, stack limit = 0xe51a62ce) # [ 144.456694] Stack: (0xc64f1e50 to 0xc64f2000) # [ 144.461059] 1e40: 00000027 c6073000 c64f1e74 c64f1e68 # [ 144.469246] 1e60: c0c2f608 c1359fa0 c64f1e9c c64f1e78 c0c2fb08 c0c2f5e8 c0c2f9e8 c5b06dc0 # [ 144.477431] 1e80: b6e06000 0000000c c5393b40 c64f1f60 c64f1ec4 c64f1ea0 c07f6448 c0c2f9f4 # [ 144.485614] 1ea0: 00000000 c5b06dc0 b6e06000 c2816000 c64f1f60 c07f63e4 c64f1f5c c64f1ec8 # [ 144.493802] 1ec0: c0598d2c c07f63f0 00000001 00000000 c05992c0 c136f4d0 c05992c0 c64f0000 # [ 144.501986] 1ee0: b6e06000 00020000 00000004 0000000c 0001fff4 c64f1ee0 00000001 b6e05000 # [ 144.510172] 1f00: c62d6780 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 144.518358] 1f20: 00000000 00000000 c136f4d0 a9da0e65 c205c500 c5b06dc0 c5b06dc0 c64f0000 # [ 144.526544] 1f40: b6e06000 00000000 00000000 00000004 c64f1f94 c64f1f60 c05992c0 c0598c2c # [ 144.534731] 1f60: 00000000 00000000 c64f1fac a9da0e65 0000000c 0000000c b6f4de00 00000004 # [ 144.542916] 1f80: c03002e4 c64f0000 c64f1fa4 c64f1f98 c0599350 c0599258 00000000 c64f1fa8 # [ 144.551100] 1fa0: c03000c0 c0599344 0000000c 0000000c 00000001 b6e06000 0000000c 00000000 # [ 144.559286] 1fc0: 0000000c 0000000c b6f4de00 00000004 00000001 00000000 00020000 bedf3a54 # [ 144.567470] 1fe0: 00000004 bedf3788 b6eb84cf b6e3e7e6 800e0030 00000001 00000000 00000000 # [ 144.575649] Backtrace: # [ 144.578123] [] (lkdtm_ACCESS_NULL) from [] (lkdtm_do_action+0x2c/0x4c) # [ 144.586394] r5:c6073000 r4:00000027 # [ 144.589982] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 144.598002] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 144.605930] r9:c64f1f60 r8:c5393b40 r7:0000000c r6:b6e06000 r5:c5b06dc0 r4:c0c2f9e8 # [ 144.613690] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 144.621530] r9:c07f63e4 r8:c64f1f60 r7:c2816000 r6:b6e06000 r5:c5b06dc0 r4:00000000 # [ 144.629282] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 144.636425] r10:00000004 r9:00000000 r8:00000000 r7:b6e06000 r6:c64f0000 r5:c5b06dc0 # [ 144.644257] r4:c5b06dc0 # [ 144.646800] [] (ksys_write) from [] (sy[ 145.165411] lkdtm: Performing direct entry WRITE_RO s_write+0x18/0x1c) # [ 144.6539[ 145.171669] lkdtm: attempting bad rodata write at c15e8a1c 44] r9:c64f0000 r8:c03002e4 r7:0[ 145.180208] 8<--- cut here --- 0000004 r6:b6f4de00 r5:00[ 0 01045.185948] Unable to handle kernel paging request at virtual address c15e8a1c 0c r4:0000000c [# [1 4 51.41495596] pgd = c8105d4e 661699] [] (sys_write[) 145.200381] [c15e8a1c] *pgd=1141941e(bad) from [] (re[t _ f1a4s5.207082] Internal error: Oops: 80d [#12] SMP ARM _syscall+0x0/0x28) # [ 144.6692[ 145.214295] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display imx_ldb etnaviv imxdrm gpu_sched imx_ipu_v3 74] Exception stack(0x[c 6 41f415.245995] CPU: 3 PID: 2478 Comm: cat Tainted: G D W 5.10.161-cip22 #1 a8 to 0xc64f1f[f 0 )1 4 5#. 2[5 6071] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 144.674333] 1fa0: [ 145.264605] PC is at lkdtm_WRITE_RO+0x44/0x50 0000000c 0000000c 00000001 b[6 145.271817] LR is at __irq_work_queue_local+0x40/0x74 e06000 0000000c [0 0 0104050.02079544] pc : [] lr : [] psr: 600e0013 # [ 144.6825[1 9 ]1 415f.c208:7887] sp : c62cde50 ip : c62cdd58 fp : c62cde64 0000000c 0000[ 0 0104c5 .b269f54103] r10: 00000009 r9 : c1accba0 r8 : c15e8784 e00 00000004 0[0 0 0104050.13 02034] r7 : c62cdf60 r6 : 00000009 r5 : c5c81000 r4 : c15e8a1c 0000000 0002000[0 b1e4d5f.33a15667] r3 : 0198b861 r2 : aa55aa55 r1 : ef7c05e0 r0 : c1acd9a4 4 # [ 144.6907[0 1 ]1 415f.e3019186] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none 00000004 bedf37[8 8 1b465e.b3828400] Control: 10c5387d Table: 1634c04a DAC: 00000051 cf b6e3e7e6 # [[ 114445..3639222] Process cat (pid: 2478, stack limit = 0xace0ab06) 5762] Code: e30[d 0 a1a445 .e3344960] Stack: (0xc62cde50 to 0xc62ce000) c01ac e1a01004 ebff[d 4 3184 5(.e50312] de40: 00000028 c5c81000 c62cde74 c62cde68 5945000) # [ 144.7[0 1 916405]360655] de60: c0c2f608 c1359da0 c62cde9c c62cde78 c0c2fb08 c0c2f5e8 c0c2f9e8 c66b03c0 ---[ end trace 84a08[c 8 d184b57371081] de80: b6dc4000 00000009 c5393b40 c62cdf60 c62cdec4 c62cdea0 c07f6448 c0c2f9f4 0be90 ]--- # ACCESS_NU[L L :1 4m.381512] dea0: 00000000 c66b03c0 b6dc4000 c2816000 c62cdf60 c07f63e4 c62cdf5c c62cdec8 issing 'call trace:'[: [1F4A5I.392026] dec0: c0598d2c c07f63f0 00000001 00000000 c05992c0 c136f4d0 c05992c0 c62cc000 ] not ok 38 selftests[: l1k4d5.402454] dee0: b6dc4000 00020000 00000004 00000009 0001fff7 c62cdee0 00000001 b6dc3000 m: ACCESS_NULL.sh [# e1x4i5t.=412968] df00: c62d68c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # selftests: lkd[t m :1 4W5R.I423311] df20: 00000000 00000000 c136f4d0 38ee62b1 c205c500 c66b03c0 c66b03c0 c62cc000 E_RO.sh [ 145.433652] df40: b6dc4000 00000000 00000000 00000004 c62cdf94 c62cdf60 c05992c0 c0598c2c [ 145.442606] df60: 00000000 00000000 c62cdfac 38ee62b1 00000009 00000009 b6f0be00 00000004 [ 145.450789] df80: c03002e4 c62cc000 c62cdfa4 c62cdf98 c0599350 c0599258 00000000 c62cdfa8 [ 145.458975] dfa0: c03000c0 c0599344 00000009 00000009 00000001 b6dc4000 00000009 00000000 [ 145.467160] dfc0: 00000009 00000009 b6f0be00 00000004 00000001 00000000 00020000 bebc0a54 [ 145.475345] dfe0: 00000004 bebc0788 b6e764cf b6dfc7e6 800e0030 00000001 00000000 00000000 [ 145.483524] Backtrace: [ 145.485997] [] (lkdtm_WRITE_RO) from [] (lkdtm_do_action+0x2c/0x4c) [ 145.494008] r5:c5c81000 r4:00000028 [ 145.497595] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 145.505613] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 145.513537] r9:c62cdf60 r8:c5393b40 r7:00000009 r6:b6dc4000 r5:c66b03c0 r4:c0c2f9e8 [ 145.521294] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 145.529133] r9:c07f63e4 r8:c62cdf60 r7:c2816000 r6:b6dc4000 r5:c66b03c0 r4:00000000 [ 145.536884] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 145.544027] r10:00000004 r9:00000000 r8:00000000 r7:b6dc4000 r6:c62cc000 r5:c66b03c0 [ 145.551860] r4:c66b03c0 [ 145.554403] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 145.561545] r9:c62cc000 r8:c03002e4 r7:00000004 r6:b6f0be00 r5:00000009 r4:00000009 [ 145.569299] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 145.576872] Exception stack(0xc62cdfa8 to 0xc62cdff0) [ 145.581931] dfa0: 00000009 00000009 00000001 b6dc4000 00000009 00000000 [ 145.590115] dfc0: 00000009 00000009 b6f0be00 00000004 00000001 00000000 00020000 bebc0a54 [ 145.598296] dfe0: 00000004 bebc0788 b6e764cf b6dfc7e6 [ 145.603357] Code: e34a3bcd e30d09a4 e34c01ac e0233002 (e5843000) [ 145.609460] ---[ end trace 84a08c8d8b70be91 ]--- # Segmentation fault # [ 145.165411] lkdtm: Performing direct entry WRITE_RO # [ 145.171669] lkdtm: attempting bad rodata write at c15e8a1c # [ 145.180208] 8<--- cut here --- # [ 145.185948] Unable to handle kernel paging request at virtual address c15e8a1c # [ 145.195596] pgd = c8105d4e # [ 145.200381] [c15e8a1c] *pgd=1141941e(bad) # [ 145.207082] Internal error: Oops: 80d [#12] SMP ARM # [ 145.214295] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display imx_ldb etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 145.245995] CPU: 3 PID: 2478 Comm: cat Tainted: G D W 5.10.161-cip22 #1 # [ 145.256071] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 145.264605] PC is at lkdtm_WRITE_RO+0x44/0x50 # [ 145.271817] LR is at __irq_work_queue_local+0x40/0x74 # [ 145.279544] pc : [] lr : [] psr: 600e0013 # [ 145.287887] sp : c62cde50 ip : c62cdd58 fp : c62cde64 # [ 145.295103] r10: 00000009 r9 : c1accba0 r8 : c15e8784 # [ 145.302234] r7 : c62cdf60 r6 : 00000009 r5 : c5c81000 r4 : c15e8a1c # [ 145.310667] r3 : 0198b861 r2 : aa55aa55 r1 : ef7c05e0 r0 : c1acd9a4 # [ 145.319186] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 145.328400] Control: 10c5387d Table: 1634c04a DAC: 00000051 # [ 145.336222] Process cat (pid: 2478, stack limit = 0xace0ab06) # [ 145.343960] Stack: (0xc62cde50 to 0xc62ce000) # [ 145.350312] de40: 00000028 c5c81000 c62cde74 c62cde68 # [ 145.360655] de60: c0c2f608 c1359da0 c62cde9c c62cde78 c0c2fb08 c0c2f5e8 c0c2f9e8 c66b03c0 # [ 145.371081] de80: b6dc4000 00000009 c5393b40 c62cdf60 c62cdec4 c62cdea0 c07f6448 c0c2f9f4 # [ 145.381512] dea0: 00000000 c66b03c0 b6dc4000 c2816000 c62cdf60 c07f63e4 c62cdf5c c62cdec8 # [ 145.392026] dec0: c0598d2c c07f63f0 00000001 00000000 c05992c0 c136f4d0 c05992c0 c62cc000 # [ 145.402454] dee0: b6dc4000 00020000 00000004 00000009 0001fff7 c62cdee0 00000001 b6dc3000 # [ 145.412968] df00: c62d68c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 145.423311] df20: 00000000 00000000 c136f4d0 38ee62b1 c205c500 c66b03c0 c66b03c0 c62cc000 # [ 145.433652] df40: b6dc4000 00000000 00000000 00000004 c62cdf94 c62cdf60 c05992c0 c0598c2c # [ 145.442606] df60: 00000000 00000000 c62cdfac 38ee62b1 00000009 00000009 b6f0be00 00000004 # [ 145.450789] df80: c03002e4 c62cc000 c62cdfa4 c62cdf98 c0599350 c0599258 00000000 c62cdfa8 # [ 145.458975] dfa0: c03000c0 c0599344 00000009 00000009 00000001 b6dc4000 00000009 00000000 # [ 145.467160] dfc0: 00000009 00000009 b6f0be00 00000004 00000001 00000000 00020000 bebc0a54 # [ 145.475345] dfe0: 00000004 bebc0788 b6e764cf b6dfc7e6 800e0030 00000001 00000000 00000000 # [ 145.483524] Backtrace: # [ 145.485997] [] (lkdtm_WRITE_RO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 145.494008] r5:c5c81000 r4:00000028 # [ 145.497595] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 145.505613] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 145.513537] r9:c62cdf60 r8:c5393b40 r7:00000009 r6:b6dc4000 r5:c66b03c0 r4:c0c2f9e8 # [ 145.521294] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 145.529133] r9:c07f63e4 r8:c62cdf60 r7:c2816000 r6:b6dc4000 r5:c66b03c0 r4:00000000 # [ 145.536884] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 145.544027] r10:00000004 r9:00000000 r8:00000000 r7:b6dc4000 r6:c62cc000 r5:c66b03c0 # [ 145.551860] r4:c66b03c0 # [ 145.554403] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 145.561545] r9:c62cc000 r8:c03002e4 r7:00000004 r6:b6f0be00 r5:00000009 r4:00000009 # [ 145.569299] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 145.576872] Exception stack(0xc62cdfa8 to 0xc62cdff0) # [ 145.581931] dfa0: 00000009 00000009 00000001 b6dc4000 00000009 00000000 # [ 145.590115] dfc0: 00000009 00000009 b6f0be00 00000004 00000001 00000000 00020000 bebc0a54 # [ 145.598296] dfe0: 00000004 bebc0788 b6e764cf b6dfc7e6 # [ 145.603357] Code: e34a3bcd e30d09a4 e34c01ac e0233002 (e5843000) # [ 145.609460] ---[ end trace 84a08c8d8b70be91 ]--- # WRITE_RO: missing 'call trace:': [FAIL] not ok 39 selftests: lkdtm: WRITE_R[ 146.138663] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT O.sh # exit=1 # selftests: lkdtm[ 146.147010] lkdtm: attempting bad ro_after_init write at c1b7ec60 : WRITE_RO_AFTER_INIT.sh [ 146.156013] 8<--- cut here --- [ 146.161254] Unable to handle kernel paging request at virtual address c1b7ec60 [ 146.168493] pgd = 85075739 [ 146.171222] [c1b7ec60] *pgd=11a1941e(bad) [ 146.175285] Internal error: Oops: 80d [#13] SMP ARM [ 146.180186] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display imx_ldb etnaviv imxdrm gpu_sched imx_ipu_v3 [ 146.209472] CPU: 0 PID: 2552 Comm: cat Tainted: G D W 5.10.161-cip22 #1 [ 146.217236] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 146.223811] PC is at lkdtm_WRITE_RO_AFTER_INIT+0x64/0x70 [ 146.229168] LR is at __irq_work_queue_local+0x40/0x74 [ 146.234247] pc : [] lr : [] psr: 600e0013 [ 146.240533] sp : c62cde50 ip : c62cdd58 fp : c62cde64 [ 146.245778] r10: 00000014 r9 : c1accbac r8 : c15e8784 [ 146.251026] r7 : c62cdf60 r6 : 00000014 r5 : c6421000 r4 : c1b7ec60 [ 146.257574] r3 : fe67479e r2 : 55aa55aa r1 : ef7815e0 r0 : c1acd9a4 [ 146.264126] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 146.271283] Control: 10c5387d Table: 1677004a DAC: 00000051 [ 146.277055] Process cat (pid: 2552, stack limit = 0xace0ab06) [ 146.282822] Stack: (0xc62cde50 to 0xc62ce000) [ 146.287208] de40: 00000029 c6421000 c62cde74 c62cde68 [ 146.295418] de60: c0c2f608 c1359df0 c62cde9c c62cde78 c0c2fb08 c0c2f5e8 c0c2f9e8 c5b71540 [ 146.303626] de80: b6dfc000 00000014 c5393b40 c62cdf60 c62cdec4 c62cdea0 c07f6448 c0c2f9f4 [ 146.311833] dea0: 00000000 c5b71540 b6dfc000 c2816000 c62cdf60 c07f63e4 c62cdf5c c62cdec8 [ 146.320041] dec0: c0598d2c c07f63f0 00000001 00000000 c05992c0 c5a0f764 c05992c0 c62cc000 [ 146.328248] dee0: b6dfc000 00020000 00000004 00000014 0001ffec c62cdee0 00000001 00000805 [ 146.336455] df00: c5b072c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 146.344664] df20: 00000000 00000000 c62cc000 74e3db9d b6dfb000 c5b71540 c5b71540 c62cc000 [ 146.352870] df40: b6dfc000 00000000 00000000 00000004 c62cdf94 c62cdf60 c05992c0 c0598c2c [ 146.361077] df60: 00000000 00000000 c62cdfac 74e3db9d 00000014 00000014 b6f43e00 00000004 [ 146.369284] df80: c03002e4 c62cc000 c62cdfa4 c62cdf98 c0599350 c0599258 00000000 c62cdfa8 [ 146.377490] dfa0: c03000c0 c0599344 00000014 00000014 00000001 b6dfc000 00000014 00000000 [ 146.385698] dfc0: 00000014 00000014 b6f43e00 00000004 00000001 00000000 00020000 bed97a54 [ 146.393904] dfe0: 00000004 bed97788 b6eae4cf b6e347e6 800e0030 00000001 00000000 00000000 [ 146.402098] Backtrace: [ 146.404612] [] (lkdtm_WRITE_RO_AFTER_INIT) from [] (lkdtm_do_action+0x2c/0x4c) [ 146.413598] r5:c6421000 r4:00000029 [ 146.417211] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 146.425257] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 146.433203] r9:c62cdf60 r8:c5393b40 r7:00000014 r6:b6dfc000 r5:c5b71540 r4:c0c2f9e8 [ 146.440985] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 146.448845] r9:c07f63e4 r8:c62cdf60 r7:c2816000 r6:b6dfc000 r5:c5b71540 r4:00000000 [ 146.456622] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 146.463789] r10:00000004 r9:00000000 r8:00000000 r7:b6dfc000 r6:c62cc000 r5:c5b71540 [ 146.471638] r4:c5b71540 [ 146.474204] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 146.481369] r9:c62cc000 r8:c03002e4 r7:00000004 r6:b6f43e00 r5:00000014 r4:00000014 [ 146.489148] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 146.496737] Exception stack(0xc62cdfa8 to 0xc62cdff0) [ 146.501819] dfa0: 00000014 00000014 00000001 b6dfc000 00000014 00000000 [ 146.510028] dfc0: 00000014 00000014 b6f43e00 00000004 00000001 00000000 00020000 bed97a54 [ 146.518229] dfe0: 00000004 bed97788 b6eae4cf b6e347e6 [ 146.523313] Code: e34a3bcd e30d09a4 e34c01ac e0233002 (e5843000) [ 146.529437] ---[ end trace 84a08c8d8b70be92 ]--- # Segmentation fault # [ 146.138663] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT # [ 146.147010] lkdtm: attempting bad ro_after_init write at c1b7ec60 # [ 146.156013] 8<--- cut here --- # [ 146.161254] Unable to handle kernel paging request at virtual address c1b7ec60 # [ 146.168493] pgd = 85075739 # [ 146.171222] [c1b7ec60] *pgd=11a1941e(bad) # [ 146.175285] Internal error: Oops: 80d [#13] SMP ARM # [ 146.180186] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display imx_ldb etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 146.209472] CPU: 0 PID: 2552 Comm: cat Tainted: G D W 5.10.161-cip22 #1 # [ 146.217236] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 146.223811] PC is at lkdtm_WRITE_RO_AFTER_INIT+0x64/0x70 # [ 146.229168] LR is at __irq_work_queue_local+0x40/0x74 # [ 146.234247] pc : [] lr : [] psr: 600e0013 # [ 146.240533] sp : c62cde50 ip : c62cdd58 fp : c62cde64 # [ 146.245778] r10: 00000014 r9 : c1accbac r8 : c15e8784 # [ 146.251026] r7 : c62cdf60 r6 : 00000014 r5 : c6421000 r4 : c1b7ec60 # [ 146.257574] r3 : fe67479e r2 : 55aa55aa r1 : ef7815e0 r0 : c1acd9a4 # [ 146.264126] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 146.271283] Control: 10c5387d Table: 1677004a DAC: 00000051 # [ 146.277055] Process cat (pid: 2552, stack limit = 0xace0ab06) # [ 146.282822] Stack: (0xc62cde50 to 0xc62ce000) # [ 146.287208] de40: 00000029 c6421000 c62cde74 c62cde68 # [ 146.295418] de60: c0c2f608 c1359df0 c62cde9c c62cde78 c0c2fb08 c0c2f5e8 c0c2f9e8 c5b71540 # [ 146.303626] de80: b6dfc000 00000014 c5393b40 c62cdf60 c62cdec4 c62cdea0 c07f6448 c0c2f9f4 # [ 146.311833] dea0: 00000000 c5b71540 b6dfc000 c2816000 c62cdf60 c07f63e4 c62cdf5c c62cdec8 # [ 146.320041] dec0: c0598d2c c07f63f0 00000001 00000000 c05992c0 c5a0f764 c05992c0 c62cc000 # [ 146.328248] dee0: b6dfc000 00020000 00000004 00000014 0001ffec c62cdee0 00000001 00000805 # [ 146.336455] df00: c5b072c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 146.344664] df20: 00000000 00000000 c62cc000 74e3db9d b6dfb000 c5b71540 c5b71540 c62cc000 # [ 146.352870] df40: b6dfc000 00000000 00000000 00000004 c62cdf94 c62cdf60 c05992c0 c0598c2c # [ 146.361077] df60: 00000000 00000000 c62cdfac 74e3db9d 00000014 00000014 b6f43e00 00000004 # [ 146.369284] df80: c03002e4 c62cc000 c62cdfa4 c62cdf98 c0599350 c0599258 00000000 c62cdfa8 # [ 146.377490] dfa0: c03000c0 c0599344 00000014 00000014 00000001 b6dfc000 00000014 00000000 # [ 146.385698] dfc0: 00000014 00000014 b6f43e00 00000004 00000001 00000000 00020000 bed97a54 # [ 146.393904] dfe0: 00000004 bed97788 b6eae4cf b6e347e6 800e0030 00000001 00000000 00000000 # [ 146.402098] Backtrace: # [ 146.404612] [] (lkdtm_WRITE_RO_AFTER_INIT) from [] (lkdtm_do_action+0x2c/0x4c) # [ 146.413598] r5:c6421000 r4:00000029 # [ 146.417211] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 146.425257] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 146.433203] r9:c62cdf60 r8:c5393b40 r7:00000014 r6:b6dfc000 r5:c5b71540 r4:c0c2f9e8 # [ 146.440985] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 146.448845] r9:c07f63e4 r8:c62cdf60 r7:c2816000 r6:b6dfc000 r5:c5b71540 r4:00000000 # [ 146.456622] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 146.463789] r10:00000004 r9:00000000 r8:00000000 r7:b6dfc000 r6:c62cc000 r5:c5b71540 # [ 146.471638] r4:c5b71540 # [ 146.474204] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 146.481369] r9:c62cc000 r8:c03002e4 r7:00000004 r6:b6f43e00 r5:00000014 r4:00000014 # [ 146.489148] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 146.496737] Exception stack(0xc62cdfa8 to 0xc62cdff0) # [ 146.501819] dfa0: 00000014 00000014 00000001 b6dfc000 00000014 00000000 # [ 146.510028] dfc0: 00000014 00000014 b6f43e00 00000004 00000001 00000000 00020000 bed97a54 # [ 146.518229] dfe0: 00000004 bed97788 b6eae4cf b6e347e6 # [ 146.523313] Code: e34a3bcd e30d09a4 e34c01ac e0233002 (e5843000) # [ 146.5[ 147.078559] lkdtm: Performing direct entry WRITE_KERN 29437] ---[ end trace 84a08c8d8b7[ 147.083986] lkdtm: attempting bad 7510340 byte write at c1359cbc 0be92 ]--- # WRITE_RO_AFTER_INIT[ 147.092754] 8<--- cut here --- : missing 'call t[r a c1e4:7'.:0 8618] Unable to handle kernel paging request at virtual address c1359cbc [FAIL] not ok [4 0 1s4e7l.f1t0e930] pgd = 3a821368 sts: lkdtm: WRITE_RO_AFTER_INIT.s[ 147.112646] [c1359cbc] *pgd=1121940e(bad) h # exit=1 # selftests: lkdtm: W 147.119537] Internal error: Oops: 80d [#14] SMP ARM RITE_KERN.sh [ 147.127190] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display imx_ldb etnaviv imxdrm gpu_sched imx_ipu_v3 [ 147.157260] CPU: 2 PID: 2626 Comm: cat Tainted: G D W 5.10.161-cip22 #1 [ 147.165024] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 147.171586] PC is at memcpy+0x50/0x330 [ 147.175363] LR is at 0xe92dd830 [ 147.178531] pc : [] lr : [] psr: 200e0013 [ 147.184818] sp : c5c7de2c ip : e1a0c00d fp : c5c7de64 [ 147.190064] r10: 0000000b r9 : c1accbc0 r8 : e89da800 [ 147.195310] r7 : e8bd4000 r6 : e52de004 r5 : e24cb004 r4 : e92dd800 [ 147.201859] r3 : e1a0c00d r2 : 007298a4 r1 : c0c30398 r0 : c1359cbc [ 147.208409] Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 147.215567] Control: 10c5387d Table: 162e404a DAC: 00000051 [ 147.221338] Process cat (pid: 2626, stack limit = 0x8158dd11) [ 147.227106] Stack: (0xc5c7de2c to 0xc5c7e000) [ 147.231493] de20: c0c30378 00729944 c5c7df60 c15e8784 c1359cbc [ 147.239704] de40: c1359cbc c1359ea0 0000002a c6083000 0000000b c5c7df60 c5c7de74 c5c7de68 [ 147.247912] de60: c0c2f608 c1359e60 c5c7de9c c5c7de78 c0c2fb08 c0c2f5e8 c0c2f9e8 c5c69cc0 [ 147.256120] de80: b6dbf000 0000000b c5393b40 c5c7df60 c5c7dec4 c5c7dea0 c07f6448 c0c2f9f4 [ 147.264329] dea0: 00000000 c5c69cc0 b6dbf000 c2816000 c5c7df60 c07f63e4 c5c7df5c c5c7dec8 [ 147.272536] dec0: c0598d2c c07f63f0 00000001 00000000 c05992c0 c136f4d0 c05992c0 c5c7c000 [ 147.280743] dee0: b6dbf000 00020000 00000004 0000000b 0001fff5 c5c7dee0 00000001 b6dbe000 [ 147.288950] df00: c62d6780 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 147.297158] df20: 00000000 00000000 c136f4d0 a96eeb5d c205c500 c5c69cc0 c5c69cc0 c5c7c000 [ 147.305365] df40: b6dbf000 00000000 00000000 00000004 c5c7df94 c5c7df60 c05992c0 c0598c2c [ 147.313572] df60: 00000000 00000000 c5c7dfac a96eeb5d 0000000b 0000000b b6f06e00 00000004 [ 147.321779] df80: c03002e4 c5c7c000 c5c7dfa4 c5c7df98 c0599350 c0599258 00000000 c5c7dfa8 [ 147.329985] dfa0: c03000c0 c0599344 0000000b 0000000b 00000001 b6dbf000 0000000b 00000000 [ 147.338193] dfc0: 0000000b 0000000b b6f06e00 00000004 00000001 00000000 00020000 bec6ea54 [ 147.346399] dfe0: 00000004 bec6e788 b6e714cf b6df77e6 800e0030 00000001 00000000 00000000 [ 147.354591] Backtrace: [ 147.357114] [] (lkdtm_WRITE_KERN) from [] (lkdtm_do_action+0x2c/0x4c) [ 147.365325] r7:c5c7df60 r6:0000000b r5:c6083000 r4:0000002a [ 147.371023] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 147.379070] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 147.387018] r9:c5c7df60 r8:c5393b40 r7:0000000b r6:b6dbf000 r5:c5c69cc0 r4:c0c2f9e8 [ 147.394805] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 147.402664] r9:c07f63e4 r8:c5c7df60 r7:c2816000 r6:b6dbf000 r5:c5c69cc0 r4:00000000 [ 147.410442] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 147.417606] r10:00000004 r9:00000000 r8:00000000 r7:b6dbf000 r6:c5c7c000 r5:c5c69cc0 [ 147.425455] r4:c5c69cc0 [ 147.428022] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 147.435186] r9:c5c7c000 r8:c03002e4 r7:00000004 r6:b6f06e00 r5:0000000b r4:0000000b [ 147.442967] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 147.450558] Exception stack(0xc5c7dfa8 to 0xc5c7dff0) [ 147.455638] dfa0: 0000000b 0000000b 00000001 b6dbf000 0000000b 00000000 [ 147.463847] dfc0: 0000000b 0000000b b6f06e00 00000004 00000001 00000000 00020000 bec6ea54 [ 147.472050] dfe0: 00000004 bec6e788 b6e714cf b6df77e6 [ 147.477132] Code: f5d1f05c f5d1f07c e8b151f8 e2522020 (e8a051f8) [ 147.483254] ---[ end trace 84a08c8d8b70be93 ]--- # Segmentation fault # [ 147.078559] lkdtm: Performing direct entry WRITE_KERN # [ 147.083986] lkdtm: attempting bad 7510340 byte write at c1359cbc # [ 147.092754] 8<--- cut here --- # [ 147.098618] Unable to handle kernel paging request at virtual address c1359cbc # [ 147.107930] pgd = 3a821368 # [ 147.112646] [c1359cbc] *pgd=1121940e(bad) # [ 147.119537] Internal error: Oops: 80d [#14] SMP ARM # [ 147.127190] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display imx_ldb etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 147.157260] CPU: 2 PID: 2626 Comm: cat Tainted: G D W 5.10.161-cip22 #1 # [ 147.165024] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 147.171586] PC is at memcpy+0x50/0x330 # [ 147.175363] LR is at 0xe92dd830 # [ 147.178531] pc : [] lr : [] psr: 200e0013 # [ 147.184818] sp : c5c7de2c ip : e1a0c00d fp : c5c7de64 # [ 147.190064] r10: 0000000b r9 : c1accbc0 r8 : e89da800 # [ 147.195310] r7 : e8bd4000 r6 : e52de004 r5 : e24cb004 r4 : e92dd800 # [ 147.201859] r3 : e1a0c00d r2 : 007298a4 r1 : c0c30398 r0 : c1359cbc # [ 147.208409] Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 147.215567] Control: 10c5387d Table: 162e404a DAC: 00000051 # [ 147.221338] Process cat (pid: 2626, stack limit = 0x8158dd11) # [ 147.227106] Stack: (0xc5c7de2c to 0xc5c7e000) # [ 147.231493] de20: c0c30378 00729944 c5c7df60 c15e8784 c1359cbc # [ 147.239704] de40: c1359cbc c1359ea0 0000002a c6083000 0000000b c5c7df60 c5c7de74 c5c7de68 # [ 147.247912] de60: c0c2f608 c1359e60 c5c7de9c c5c7de78 c0c2fb08 c0c2f5e8 c0c2f9e8 c5c69cc0 # [ 147.256120] de80: b6dbf000 0000000b c5393b40 c5c7df60 c5c7dec4 c5c7dea0 c07f6448 c0c2f9f4 # [ 147.264329] dea0: 00000000 c5c69cc0 b6dbf000 c2816000 c5c7df60 c07f63e4 c5c7df5c c5c7dec8 # [ 147.272536] dec0: c0598d2c c07f63f0 00000001 00000000 c05992c0 c136f4d0 c05992c0 c5c7c000 # [ 147.280743] dee0: b6dbf000 00020000 00000004 0000000b 0001fff5 c5c7dee0 00000001 b6dbe000 # [ 147.288950] df00: c62d6780 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 147.297158] df20: 00000000 00000000 c136f4d0 a96eeb5d c205c500 c5c69cc0 c5c69cc0 c5c7c000 # [ 147.305365] df40: b6dbf000 00000000 00000000 00000004 c5c7df94 c5c7df60 c05992c0 c0598c2c # [ 147.313572] df60: 00000000 00000000 c5c7dfac a96eeb5d 0000000b 0000000b b6f06e00 00000004 # [ 147.321779] df80: c03002e4 c5c7c000 c5c7dfa4 c5c7df98 c0599350 c0599258 00000000 c5c7dfa8 # [ 147.329985] dfa0: c03000c0 c0599344 0000000b 0000000b 00000001 b6dbf000 0000000b 00000000 # [ 147.338193] dfc0: 0000000b 0000000b b6f06e00 00000004 00000001 00000000 00020000 bec6ea54 # [ 147.346399] dfe0: 00000004 bec6e788 b6e714cf b6df77e6 800e0030 00000001 00000000 00000000 # [ 147.354591] Backtrace: # [ 147.357114] [] (lkdtm_WRITE_KERN) from [] (lkdtm_do_action+0x2c/0x4c) # [ 147.365325] r7:c5c7df60 r6:0000000b r5:c6083000 r4:0000002a # [ 147.371023] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 147.379070] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 147.387018] r9:c5c7df60 r8:c5393b40 r7:0000000b r6:b6dbf000 r5:c5c69cc0 r4:c0c2f9e8 # [ 147.394805] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 147.402664] r9:c07f63e4 r8:c5c7df60 r7:c2816000 r6:b6dbf000 r5:c5c69cc0 r4:00000000 # [ 147.410442] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 147.417606] r10:00000004 r9:00000000 r8:00000000 r7:b6dbf000 r6:c5c7c000 r5:c5c69cc0 # [ 147.425455] r4:c5c69cc0 # [ 147.428022] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 147.435186] r9:c5c7c000 r8:c03002e4 r7:00000004 r6:b6f06e00 r5:0000000b r4:0000000b # [ 147.442967] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 147.450558] Exception stack(0xc5c7dfa8 to 0xc5c7dff0) # [ 147.455638] dfa0: 0000000b 0000000b 00000001 b6dbf000 0000000b 00000000 # [ 147.463847] dfc0: 0000000b 0000000b b6f06e00 00000004 00000001 00000000 00020000 bec6ea54 # [ 147.472050] dfe0: 00000004 bec6e788 b6e714cf b6df77e6 # [ 147.477132] Code: f5d1f05c f5d1f07c e8b151f8 e2522020 (e8a051f8) # [ 147.483254] ---[ end trace 84a08c8d8b70be93 ]--- # WRITE_KERN: missing 'call trace:': [FAIL] not ok 41 selftests: lkdtm: WRITE_KERN.sh # exit=1 # selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh [ 148.014239] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW [ 148.020270] lkdtm: attempting good refcount_inc() without overflow [ 148.026527] lkdtm: attempting bad refcount_inc() overflow [ 148.031944] ------------[ cut here ]------------ [ 148.036643] WARNING: CPU: 3 PID: 2701 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 [ 148.045166] refcount_t: saturated; leaking memory. [ 148.049973] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display imx_ldb etnaviv imxdrm gpu_sched imx_ipu_v3 [ 148.079275] CPU: 3 PID: 2701 Comm: cat Tainted: G D W 5.10.161-cip22 #1 [ 148.087029] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 148.093564] Backtrace: [ 148.096042] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 148.103625] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f5f4 [ 148.109299] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 148.116626] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 148.123601] r9:00000009 r8:c086e97c r7:00000016 r6:00000009 r5:c086e97c r4:c1a20c50 [ 148.131360] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 148.138852] r7:00000016 r6:c1a20c50 r5:c1a20c28 r4:c66ec000 [ 148.144530] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) [ 148.153501] r9:c1accbcc r8:c15e8784 r7:c66edf60 r6:00000016 r5:c6073000 r4:c66ec000 [ 148.161262] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) [ 148.170937] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_OVERFLOW+0x78/0x9c) [ 148.181045] [] (lkdtm_REFCOUNT_INC_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) [ 148.190183] r4:0000002b [ 148.192732] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 148.200754] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 148.208682] r9:c66edf60 r8:c5393b40 r7:00000016 r6:b6e7d000 r5:c5b07900 r4:c0c2f9e8 [ 148.216445] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 148.224285] r9:c07f63e4 r8:c66edf60 r7:c2816000 r6:b6e7d000 r5:c5b07900 r4:00000000 [ 148.232042] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 148.239188] r10:00000004 r9:00000000 r8:00000000 r7:b6e7d000 r6:c66ec000 r5:c5b07900 [ 148.247024] r4:c5b07900 [ 148.249570] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 148.256716] r9:c66ec000 r8:c03002e4 r7:00000004 r6:b6fc4e00 r5:00000016 r4:00000016 [ 148.264473] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 148.272051] Exception stack(0xc66edfa8 to 0xc66edff0) [ 148.277114] dfa0: 00000016 00000016 00000001 b6e7d000 00000016 00000000 [ 148.285305] dfc0: 00000016 00000016 b6fc4e00 00000004 00000001 00000000 00020000 beaf0a54 [ 148.293491] dfe0: 00000004 beaf0788 b6f2f4cf b6eb57e6 [ 148.298626] irq event stamp: 0 [ 148.301703] hardirqs last enabled at (0): [<00000000>] 0x0 [ 148.307337] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 148.314888] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 148.322458] softirqs last disabled at (0): [<00000000>] 0x0 [ 148.328072] ---[ end trace 84a08c8d8b70be94 ]--- [ 148.332762] lkdtm: Overflow detected: saturated # [ 148.014239] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW # [ 148.020270] lkdtm: attempting good refcount_inc() without overflow # [ 148.026527] lkdtm: attempting bad refcount_inc() overflow # [ 148.031944] ------------[ cut here ]------------ # [ 148.036643] WARNING: CPU: 3 PID: 2701 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 148.045166] refcount_t: saturated; leaking memory. # [ 148.049973] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display imx_ldb etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 148.079275] CPU: 3 PID: 2701 Comm: cat Tainted: G D W 5.10.161-cip22 #1 # [ 148.087029] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 148.093564] Backtrace: # [ 148.096042] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 148.103625] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f5f4 # [ 148.109299] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 148.116626] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 148.123601] r9:00000009 r8:c086e97c r7:00000016 r6:00000009 r5:c086e97c r4:c1a20c50 # [ 148.131360] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 148.138852] r7:00000016 r6:c1a20c50 r5:c1a20c28 r4:c66ec000 # [ 148.144530] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 148.153501] r9:c1accbcc r8:c15e8784 r7:c66edf60 r6:00000016 r5:c6073000 r4:c66ec000 # [ 148.161262] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 148.170937] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_OVERFLOW+0x78/0x9c) # [ 148.181045] [] (lkdtm_REFCOUNT_INC_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 148.190183] r4:0000002b # [ 148.192732] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 148.200754] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 148.208682] r9:c66edf60 r8:c5393b40 r7:00000016 r6:b6e7d000 r5:c5b07900 r4:c0c2f9e8 # [ 148.216445] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 148.224285] r9:c07f63e4 r8:c66edf60 r7:c2816000 r6:b6e7d000 r5:c5b07900 r4:00000000 # [ 148.232042] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 148.239188] r10:00000004 r9:00000000 r8:00000000 r7:b6e7d000 r6:c66ec000 r5:c5b07900 # [ 148.247024] r4:c5b07900 # [ 148.249570] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 148.256716] r9:c66ec000 r8:c03002e4 r7:00000004 r6:b6fc4e00 r5:00000016 r4:00000016 # [ 148.264473] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 148.272051] Exception stack(0xc66edfa8 to 0xc66edff0) # [ 148.277114] dfa0: 00000016 00000016 00000001 b6e7d000 00000016 00000000 # [ 148.285305] dfc0: 00000016 00000016 b6fc4e00 00000004 00000001 00000000 00020000 beaf0a54 # [ 148.293491] dfe0: 00000004 beaf0788 b6f2f4cf b6eb57e6 # [ 148.298626] irq event stamp: 0 # [ 148.301703] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 148.307337] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 148.314888] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 148.322458] softirqs last disabled at (0): [<00000000>] 0x0 # [ 148.328072] ---[ end trace 84a08c8d8b70be94 ]--- # [ 148.332762] lkdtm: Overflow detected: saturated # REFCOUNT_INC_OVERFLOW: missin[ 148.762728] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW g 'call trace:': [F[A I L1]4 8 .770349] lkdtm: attempting good refcount_add() without overflow ot ok 42 selftests: lkdtm: REFCOU[ 148.778772] lkdtm: attempting bad refcount_add() overflow NT_INC_OVERFLOW.sh # exit=1 # se[ 148.787160] ------------[ cut here ]------------ lftests: lkdtm: REFCOUNT_ADD_OVER[ 148.794550] WARNING: CPU: 1 PID: 2735 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 FLOW.sh [ 148.805797] refcount_t: saturated; leaking memory. [ 148.811328] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display imx_ldb etnaviv imxdrm gpu_sched imx_ipu_v3 [ 148.840499] CPU: 1 PID: 2735 Comm: cat Tainted: G D W 5.10.161-cip22 #1 [ 148.848249] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 148.854780] Backtrace: [ 148.857252] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 148.864831] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f5f4 [ 148.870500] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 148.877823] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 148.884795] r9:00000009 r8:c086e97c r7:00000016 r6:00000009 r5:c086e97c r4:c1a20c50 [ 148.892548] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 148.900038] r7:00000016 r6:c1a20c50 r5:c1a20c28 r4:c66e2000 [ 148.905712] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) [ 148.914678] r9:c1accbe4 r8:c15e8784 r7:c66e3f60 r6:00000016 r5:c65bc000 r4:c66e2000 [ 148.922436] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) [ 148.932105] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_OVERFLOW+0x84/0xa8) [ 148.942208] [] (lkdtm_REFCOUNT_ADD_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) [ 148.951343] r4:0000002c [ 148.953889] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 148.961907] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 148.969831] r9:c66e3f60 r8:c5393b40 r7:00000016 r6:b6e6b000 r5:c62d6140 r4:c0c2f9e8 [ 148.977588] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 148.985424] r9:c07f63e4 r8:c66e3f60 r7:c2816000 r6:b6e6b000 r5:c62d6140 r4:00000000 [ 148.993176] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 149.000318] r10:00000004 r9:00000000 r8:00000000 r7:b6e6b000 r6:c66e2000 r5:c62d6140 [ 149.008150] r4:c62d6140 [ 149.010694] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 149.017837] r9:c66e2000 r8:c03002e4 r7:00000004 r6:b6fb2e00 r5:00000016 r4:00000016 [ 149.025591] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 149.033166] Exception stack(0xc66e3fa8 to 0xc66e3ff0) [ 149.038226] 3fa0: 00000016 00000016 00000001 b6e6b000 00000016 00000000 [ 149.046411] 3fc0: 00000016 00000016 b6fb2e00 00000004 00000001 00000000 00020000 be8c7a54 [ 149.054594] 3fe0: 00000004 be8c7788 b6f1d4cf b6ea37e6 [ 149.059731] irq event stamp: 0 [ 149.062827] hardirqs last enabled at (0): [<00000000>] 0x0 [ 149.068416] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 149.075955] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 149.083488] softirqs last disabled at (0): [<00000000>] 0x0 [ 149.089080] ---[ end trace 84a08c8d8b70be95 ]--- [ 149.093732] lkdtm: Overflow detected: saturated # [ 148.762728] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW # [ 148.770349] lkdtm: attempting good refcount_add() without overflow # [ 148.778772] lkdtm: attempting bad refcount_add() overflow # [ 148.787160] ------------[ cut here ]------------ # [ 148.794550] WARNING: CPU: 1 PID: 2735 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 148.805797] refcount_t: saturated; leaking memory. # [ 148.811328] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display imx_ldb etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 148.840499] CPU: 1 PID: 2735 Comm: cat Tainted: G D W 5.10.161-cip22 #1 # [ 148.848249] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 148.854780] Backtrace: # [ 148.857252] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 148.864831] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f5f4 # [ 148.870500] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 148.877823] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 148.884795] r9:00000009 r8:c086e97c r7:00000016 r6:00000009 r5:c086e97c r4:c1a20c50 # [ 148.892548] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 148.900038] r7:00000016 r6:c1a20c50 r5:c1a20c28 r4:c66e2000 # [ 148.905712] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 148.914678] r9:c1accbe4 r8:c15e8784 r7:c66e3f60 r6:00000016 r5:c65bc000 r4:c66e2000 # [ 148.922436] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 148.932105] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_OVERFLOW+0x84/0xa8) # [ 148.942208] [] (lkdtm_REFCOUNT_ADD_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 148.951343] r4:0000002c # [ 148.953889] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 148.961907] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 148.969831] r9:c66e3f60 r8:c5393b40 r7:00000016 r6:b6e6b000 r5:c62d6140 r4:c0c2f9e8 # [ 148.977588] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 148.985424] r9:c07f63e4 r8:c66e3f60 r7:c2816000 r6:b6e6b000 r5:c62d6140 r4:00000000 # [ 148.993176] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 149.000318] r10:00000004 r9:00000000 r8:00000000 r7:b6e6b000 r6:c66e2000 r5:c62d6140 # [ 149.008150] r4:c62d6140 # [ 149.010694] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 149.017837] r9:c66e2000 r8:c03002e4 r7:00000004 r6:b6fb2e00 r5:00000016 r4:00000016 # [ 149.025591] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 149.033166] Exception stack(0xc66e3fa8 to 0xc66e3ff0) # [ 149.038226] 3fa0: 00000016 00000016 00000001 b6e6b000 00000016 00000000 # [ 149.046411] 3fc0: 00000016 00000016 b6fb2e00 00000004 00000001 00000000 00020000 be8c7a54 # [ 149.054594] 3fe0: 00000004 be8c7788 b6f1d4cf b6ea37e6 # [ 149.059731] irq event stamp: 0 # [ 149.062827] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 149.068416] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 149.075955] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 149.083488] softirqs last disabled at (0): [<00000000>] 0x0 # [ 149.089080] ---[ end trace 84a08c8d8b70be95 ]--- # [ 149.09373[ 149.513046] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW 2] lkdtm: Overflow detected: satu[ 149.520775] lkdtm: attempting bad refcount_inc_not_zero() overflow rated # REFCOUNT_ADD_OVERFLOW: m[ 149.529997] ------------[ cut here ]------------ issing 'call trace:': [FAIL] not[ 149.538648] WARNING: CPU: 0 PID: 2769 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 ok 43 selftests: lkdtm: REFCOUNT[ 149.549341] refcount_t: saturated; leaking memory. _ADD_OVERFLOW.sh # exit=1 # self[ 149.556439] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display imx_ldb etnaviv imxdrm gpu_sched imx_ipu_v3 tests: lkdtm: REFCOUNT_INC_NOT_ZE[ 149.588166] CPU: 0 PID: 2769 Comm: cat Tainted: G D W 5.10.161-cip22 #1 [ 149.598730] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 149.605261] Backtrace: [ 149.607732] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 149.615312] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f5f4 [ 149.620980] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 149.628304] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 149.635273] r9:00000009 r8:c086e948 r7:00000013 r6:00000009 r5:c086e948 r4:c1a20c50 [ 149.643027] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 149.650515] r7:00000013 r6:c1a20c50 r5:c1a20c28 r4:c65e4000 [ 149.656188] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) [ 149.665155] r9:c1accbfc r8:c15e8784 r7:c65e5f60 r6:0000001f r5:c59d7000 r4:7fffffff [ 149.672916] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) [ 149.683364] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x50/0x88) [ 149.695018] r5:c59d7000 r4:c65e4000 [ 149.698611] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) [ 149.708527] r4:0000002d [ 149.711072] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 149.719089] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 149.727012] r9:c65e5f60 r8:c5393b40 r7:0000001f r6:b6e47000 r5:c66b08c0 r4:c0c2f9e8 [ 149.734769] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 149.742607] r9:c07f63e4 r8:c65e5f60 r7:c2816000 r6:b6e47000 r5:c66b08c0 r4:00000000 [ 149.750360] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 149.757504] r10:00000004 r9:00000000 r8:00000000 r7:b6e47000 r6:c65e4000 r5:c66b08c0 [ 149.765338] r4:c66b08c0 [ 149.767881] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 149.775024] r9:c65e4000 r8:c03002e4 r7:00000004 r6:b6f8ee00 r5:0000001f r4:0000001f [ 149.782777] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 149.790352] Exception stack(0xc65e5fa8 to 0xc65e5ff0) [ 149.795412] 5fa0: 0000001f 0000001f 00000001 b6e47000 0000001f 00000000 [ 149.803601] 5fc0: 0000001f 0000001f b6f8ee00 00000004 00000001 00000000 00020000 bef9aa54 [ 149.811782] 5fe0: 00000004 bef9a788 b6ef94cf b6e7f7e6 RO_OVERFLOW.sh [ 149.816886] irq event stamp: 0 [ 149.821314] hardirqs last enabled at (0): [<00000000>] 0x0 [ 149.826923] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 149.834441] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 149.841935] softirqs last disabled at (0): [<00000000>] 0x0 [ 149.847538] ---[ end trace 84a08c8d8b70be96 ]--- [ 149.852185] lkdtm: Overflow detected: saturated # [ 149.513046] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 149.520775] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 149.529997] ------------[ cut here ]------------ # [ 149.538648] WARNING: CPU: 0 PID: 2769 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 149.549341] refcount_t: saturated; leaking memory. # [ 149.556439] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display imx_ldb etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 149.588166] CPU: 0 PID: 2769 Comm: cat Tainted: G D W 5.10.161-cip22 #1 # [ 149.598730] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 149.605261] Backtrace: # [ 149.607732] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 149.615312] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f5f4 # [ 149.620980] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 149.628304] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 149.635273] r9:00000009 r8:c086e948 r7:00000013 r6:00000009 r5:c086e948 r4:c1a20c50 # [ 149.643027] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 149.650515] r7:00000013 r6:c1a20c50 r5:c1a20c28 r4:c65e4000 # [ 149.656188] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 149.665155] r9:c1accbfc r8:c15e8784 r7:c65e5f60 r6:0000001f r5:c59d7000 r4:7fffffff # [ 149.672916] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 149.683364] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x50/0x88) # [ 149.695018] r5:c59d7000 r4:c65e4000 # [ 149.698611] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 149.708527] r4:0000002d # [ 149.711072] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 149.719089] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 149.727012] r9:c65e5f60 r8:c5393b40 r7:0000001f r6:b6e47000 r5:c66b08c0 r4:c0c2f9e8 # [ 149.734769] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 149.742607] r9:c07f63e4 r8:c65e5f60 r7:c2816000 r6:b6e47000 r5:c66b08c0 r4:00000000 # [ 149.750360] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 149.757504] r10:00000004 r9:00000000 r8:00000000 r7:b6e47000 r6:c65e4000 r5:c66b08c0 # [ 149.765338] r4:c66b08c0 # [ 149.767881] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 149.775024] r9:c65e4000 r8:c03002e4 r7:00000004 r6:b6f8ee00 r5:0000001f r4:0000001f # [ 149.782777] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 149.790352] Exception stack(0xc65e5fa8 to 0xc65e5ff0) # [ 149.795412] 5fa0: 0000001f 0000001f 00000001 b6e47000 0000001f 00000000 # [ 149.803601] 5fc0: 0000001f 0000001f b6f8ee00 00000004 00000001 00000000 00020000 bef9aa54 # [ 149.811782] 5fe0: 00000004 bef9a788 b6ef94cf b6e7f7e6 # [ 149.816886] irq event stamp: 0 # [ 149.821314] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 149.826923] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 149.834441] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 149.841935] softirqs last disabled at (0): [<00000000>] 0x0 # [ 149.847538] ---[ end trace 84a08c8d8b70be96 ]--- # [ 149.852185] lkdtm: Overfl[ 150.271057] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW ow detected: saturated # REFCOUN[ 150.278109] lkdtm: attempting bad refcount_add_not_zero() overflow T_INC_NOT_ZERO_OVERFLOW: missing [ 150.287189] ------------[ cut here ]------------ 'call trace:': [FAIL] not ok 44 [ 150.294654] WARNING: CPU: 2 PID: 2803 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 selftests: lkdtm: REFCOUNT_INC_NO[ 150.305980] refcount_t: saturated; leaking memory. T_ZERO_OVERFLOW.sh # exit=1 # se[ 150.313583] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display imx_ldb etnaviv imxdrm gpu_sched imx_ipu_v3 lftests: lkdtm: REFCOUNT_ADD_NOT_[ 150.345329] CPU: 2 PID: 2803 Comm: cat Tainted: G D W 5.10.161-cip22 #1 ZERO_OVERFLO[W . s15h0 . 355855] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 150.363944] Backtrace: [ 150.366424] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 150.374007] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f5f4 [ 150.379680] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 150.387008] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 150.393984] r9:00000009 r8:c086e948 r7:00000013 r6:00000009 r5:c086e948 r4:c1a20c50 [ 150.401744] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 150.409236] r7:00000013 r6:c1a20c50 r5:c1a20c28 r4:c64ee000 [ 150.414914] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) [ 150.423884] r9:c1accc1c r8:c15e8784 r7:c64eff60 r6:0000001f r5:c678b000 r4:7fffffff [ 150.431649] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) [ 150.442100] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x50/0x88) [ 150.453760] r5:c678b000 r4:c64ee000 [ 150.457361] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) [ 150.467280] r4:0000002e [ 150.469829] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 150.477850] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 150.485778] r9:c64eff60 r8:c5393b40 r7:0000001f r6:b6e3b000 r5:c62cea00 r4:c0c2f9e8 [ 150.493539] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 150.501381] r9:c07f63e4 r8:c64eff60 r7:c2816000 r6:b6e3b000 r5:c62cea00 r4:00000000 [ 150.509138] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 150.516286] r10:00000004 r9:00000000 r8:00000000 r7:b6e3b000 r6:c64ee000 r5:c62cea00 [ 150.524121] r4:c62cea00 [ 150.526669] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 150.533815] r9:c64ee000 r8:c03002e4 r7:00000004 r6:b6f82e00 r5:0000001f r4:0000001f [ 150.541574] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 150.549151] Exception stack(0xc64effa8 to 0xc64efff0) [ 150.554214] ffa0: 0000001f 0000001f 00000001 b6e3b000 0000001f 00000000 [ 150.562406] ffc0: 0000001f 0000001f b6f82e00 00000004 00000001 00000000 00020000 be91ca54 [ 150.570594] ffe0: 00000004 be91c788 b6eed4cf b6e737e6 [ 150.575728] irq event stamp: 0 [ 150.578806] hardirqs last enabled at (0): [<00000000>] 0x0 [ 150.584434] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 150.591936] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 150.599470] softirqs last disabled at (0): [<00000000>] 0x0 [ 150.605101] ---[ end trace 84a08c8d8b70be97 ]--- [ 150.609736] lkdtm: Overflow detected: saturated # [ 150.271057] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 150.278109] lkdtm: attempting bad refcount_add_not_zero() overflow # [ 150.287189] ------------[ cut here ]------------ # [ 150.294654] WARNING: CPU: 2 PID: 2803 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 150.305980] refcount_t: saturated; leaking memory. # [ 150.313583] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display imx_ldb etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 150.345329] CPU: 2 PID: 2803 Comm: cat Tainted: G D W 5.10.161-cip22 #1 # [ 150.355855] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 150.363944] Backtrace: # [ 150.366424] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 150.374007] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f5f4 # [ 150.379680] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 150.387008] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 150.393984] r9:00000009 r8:c086e948 r7:00000013 r6:00000009 r5:c086e948 r4:c1a20c50 # [ 150.401744] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 150.409236] r7:00000013 r6:c1a20c50 r5:c1a20c28 r4:c64ee000 # [ 150.414914] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 150.423884] r9:c1accc1c r8:c15e8784 r7:c64eff60 r6:0000001f r5:c678b000 r4:7fffffff # [ 150.431649] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 150.442100] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x50/0x88) # [ 150.453760] r5:c678b000 r4:c64ee000 # [ 150.457361] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 150.467280] r4:0000002e # [ 150.469829] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 150.477850] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 150.485778] r9:c64eff60 r8:c5393b40 r7:0000001f r6:b6e3b000 r5:c62cea00 r4:c0c2f9e8 # [ 150.493539] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 150.501381] r9:c07f63e4 r8:c64eff60 r7:c2816000 r6:b6e3b000 r5:c62cea00 r4:00000000 # [ 150.509138] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 150.516286] r10:00000004 r9:00000000 r8:00000000 r7:b6e3b000 r6:c64ee000 r5:c62cea00 # [ 150.524121] r4:c62cea00 # [ 150.526669] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 150.533815] r9:c64ee000 r8:c03002e4 r7:00000004 r6:b6f82e00 r5:0000001f r4:0000001f # [ 150.541574] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 150.549151] Exception stack(0xc64effa8 to 0xc64efff0) # [ 150.554214] ffa0: 0000001f 0000001f 00000001 b6e3b000 0000001f 00000000 # [ 150.562406] ffc0: 0000001f 0000001f b6f82e00 00000004 00000001 00000000 00020000 be91ca54 # [ 150.570594] ffe0: 00000004 be91c788 b6eed4cf b6e737e6 # [ 150.575728] irq event stamp: 0 # [ 150.578806] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 150.584434] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 150.591936] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 150.599470] softirqs last disabled at (0): [<00000000>] 0x0 # [ 150.605101] ---[ end trace 84a08c8d8b70be97 ]--- # [ 150.609736] lkdtm: Overflow detected: saturat[ 151.051277] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO ed # REFCOUNT_ADD_NOT_ZERO_OVERF[ 151.058478] lkdtm: attempting good refcount_dec() LOW: missing 'call trace:': [FAIL[ 151.065990] lkdtm: attempting bad refcount_dec() to zero ] not ok 45 selftests: lkdtm: RE[ 151.074265] ------------[ cut here ]------------ FCOUNT_ADD_NOT_ZERO_OVERFLOW.sh #[ 151.081612] WARNING: CPU: 3 PID: 2837 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 exit=1 # selftests: lkdtm: REFC[ 151.092928] refcount_t: decrement hit 0; leaking memory. OUNT_DEC_ZERO.sh [ 151.101053] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display imx_ldb etnaviv imxdrm gpu_sched imx_ipu_v3 [ 151.131491] CPU: 3 PID: 2837 Comm: cat Tainted: G D W 5.10.161-cip22 #1 [ 151.139240] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 151.145772] Backtrace: [ 151.148243] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 151.155823] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f5f4 [ 151.161493] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 151.168817] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 151.175788] r9:00000009 r8:c086e914 r7:0000001f r6:00000009 r5:c086e914 r4:c1a20c50 [ 151.183540] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 151.191030] r7:0000001f r6:c1a20c50 r5:c1a20cb4 r4:c66ea000 [ 151.196703] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) [ 151.205669] r9:c1accc3c r8:c15e8784 r7:c66ebf60 r6:00000012 r5:c6073000 r4:c66ea000 [ 151.213428] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) [ 151.223094] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_ZERO+0x5c/0xd8) [ 151.232850] [] (lkdtm_REFCOUNT_DEC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) [ 151.241637] r4:0000002f [ 151.244181] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 151.252201] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 151.260125] r9:c66ebf60 r8:c5393b40 r7:00000012 r6:b6eb1000 r5:c47c3b80 r4:c0c2f9e8 [ 151.267881] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 151.275719] r9:c07f63e4 r8:c66ebf60 r7:c2816000 r6:b6eb1000 r5:c47c3b80 r4:00000000 [ 151.283472] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 151.290616] r10:00000004 r9:00000000 r8:00000000 r7:b6eb1000 r6:c66ea000 r5:c47c3b80 [ 151.298448] r4:c47c3b80 [ 151.300991] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 151.308134] r9:c66ea000 r8:c03002e4 r7:00000004 r6:b6ff8e00 r5:00000012 r4:00000012 [ 151.315889] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 151.323463] Exception stack(0xc66ebfa8 to 0xc66ebff0) [ 151.328523] bfa0: 00000012 00000012 00000001 b6eb1000 00000012 00000000 [ 151.336709] bfc0: 00000012 00000012 b6ff8e00 00000004 00000001 00000000 00020000 bef7aa54 [ 151.344893] bfe0: 00000004 bef7a788 b6f634cf b6ee97e6 [ 151.350008] irq event stamp: 0 [ 151.353111] hardirqs last enabled at (0): [<00000000>] 0x0 [ 151.358701] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 151.366252] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 151.373838] softirqs last disabled at (0): [<00000000>] 0x0 [ 151.379433] ---[ end trace 84a08c8d8b70be98 ]--- [ 151.384102] lkdtm: Zero detected: saturated # [ 151.051277] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO # [ 151.058478] lkdtm: attempting good refcount_dec() # [ 151.065990] lkdtm: attempting bad refcount_dec() to zero # [ 151.074265] ------------[ cut here ]------------ # [ 151.081612] WARNING: CPU: 3 PID: 2837 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 # [ 151.092928] refcount_t: decrement hit 0; leaking memory. # [ 151.101053] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display imx_ldb etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 151.131491] CPU: 3 PID: 2837 Comm: cat Tainted: G D W 5.10.161-cip22 #1 # [ 151.139240] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 151.145772] Backtrace: # [ 151.148243] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 151.155823] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f5f4 # [ 151.161493] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 151.168817] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 151.175788] r9:00000009 r8:c086e914 r7:0000001f r6:00000009 r5:c086e914 r4:c1a20c50 # [ 151.183540] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 151.191030] r7:0000001f r6:c1a20c50 r5:c1a20cb4 r4:c66ea000 # [ 151.196703] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) # [ 151.205669] r9:c1accc3c r8:c15e8784 r7:c66ebf60 r6:00000012 r5:c6073000 r4:c66ea000 # [ 151.213428] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) # [ 151.223094] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_ZERO+0x5c/0xd8) # [ 151.232850] [] (lkdtm_REFCOUNT_DEC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 151.241637] r4:0000002f # [ 151.244181] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 151.252201] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 151.260125] r9:c66ebf60 r8:c5393b40 r7:00000012 r6:b6eb1000 r5:c47c3b80 r4:c0c2f9e8 # [ 151.267881] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 151.275719] r9:c07f63e4 r8:c66ebf60 r7:c2816000 r6:b6eb1000 r5:c47c3b80 r4:00000000 # [ 151.283472] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 151.290616] r10:00000004 r9:00000000 r8:00000000 r7:b6eb1000 r6:c66ea000 r5:c47c3b80 # [ 151.298448] r4:c47c3b80 # [ 151.300991] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 151.308134] r9:c66ea000 r8:c03002e4 r7:00000004 r6:b6ff8e00 r5:00000012 r4:00000012 # [ 151.315889] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 151.323463] Exception stack(0xc66ebfa8 to 0xc66ebff0) # [ 151.328523] bfa0: 00000012 00000012 00000001 b6eb1000 00000012 00000000 # [ 151.336709] bfc0: 00000012 00000012 b6ff8e00 00000004 00000001 00000000 00020000 bef7aa54 # [ 151.344893] bfe0: 00000004 bef7a788 b6f634cf b6ee97e6 # [ 151.350008] irq event stamp: 0 # [ 151.353111] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 151.358701] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 151.366252] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 151.373838] softirqs last disabled at (0): [<00000000>] 0x0 # [ 151.379433] ---[ end trace 84a08c8d8b70be98 ]--- # [ 151.384102] 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[ 151.825839] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE .sh [ 151.833271] lkdtm: attempting bad refcount_dec() below zero [ 151.839201] ------------[ cut here ]------------ [ 151.843873] WARNING: CPU: 0 PID: 2874 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 [ 151.852347] refcount_t: decrement hit 0; leaking memory. [ 151.857669] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display imx_ldb etnaviv imxdrm gpu_sched imx_ipu_v3 [ 151.886821] CPU: 0 PID: 2874 Comm: cat Tainted: G D W 5.10.161-cip22 #1 [ 151.894569] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 151.901101] Backtrace: [ 151.903570] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 151.911150] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f5f4 [ 151.916820] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 151.924142] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 151.931113] r9:00000009 r8:c086e914 r7:0000001f r6:00000009 r5:c086e914 r4:c1a20c50 [ 151.938869] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 151.946358] r7:0000001f r6:c1a20c50 r5:c1a20cb4 r4:c5c7c000 [ 151.952030] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) [ 151.960997] r9:c1accc50 r8:c15e8784 r7:c5c7df60 r6:00000016 r5:00000000 r4:c5c7c000 [ 151.968755] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) [ 151.978423] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_NEGATIVE+0x48/0x70) [ 151.988528] [] (lkdtm_REFCOUNT_DEC_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) [ 151.997665] r5:c4524000 r4:00000030 [ 152.001250] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 152.009266] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 152.017192] r9:c5c7df60 r8:c5393b40 r7:00000016 r6:b6e24000 r5:c66b0dc0 r4:c0c2f9e8 [ 152.024951] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 152.032790] r9:c07f63e4 r8:c5c7df60 r7:c2816000 r6:b6e24000 r5:c66b0dc0 r4:00000000 [ 152.040543] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 152.047688] r10:00000004 r9:00000000 r8:00000000 r7:b6e24000 r6:c5c7c000 r5:c66b0dc0 [ 152.055521] r4:c66b0dc0 [ 152.058064] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 152.065207] r9:c5c7c000 r8:c03002e4 r7:00000004 r6:b6f6be00 r5:00000016 r4:00000016 [ 152.072961] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 152.080535] Exception stack(0xc5c7dfa8 to 0xc5c7dff0) [ 152.085594] dfa0: 00000016 00000016 00000001 b6e24000 00000016 00000000 [ 152.093781] dfc0: 00000016 00000016 b6f6be00 00000004 00000001 00000000 00020000 bec3aa54 [ 152.101964] dfe0: 00000004 bec3a788 b6ed64cf b6e5c7e6 [ 152.107048] irq event stamp: 0 [ 152.110120] hardirqs last enabled at (0): [<00000000>] 0x0 [ 152.115731] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 152.123248] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 152.130745] softirqs last disabled at (0): [<00000000>] 0x0 [ 152.136348] ---[ end trace 84a08c8d8b70be99 ]--- [ 152.140976] lkdtm: Negative detected: saturated # [ 151.825839] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 151.833271] lkdtm: attempting bad refcount_dec() below zero # [ 151.839201] ------------[ cut here ]------------ # [ 151.843873] WARNING: CPU: 0 PID: 2874 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 # [ 151.852347] refcount_t: decrement hit 0; leaking memory. # [ 151.857669] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display imx_ldb etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 151.886821] CPU: 0 PID: 2874 Comm: cat Tainted: G D W 5.10.161-cip22 #1 # [ 151.894569] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 151.901101] Backtrace: # [ 151.903570] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 151.911150] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f5f4 # [ 151.916820] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 151.924142] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 151.931113] r9:00000009 r8:c086e914 r7:0000001f r6:00000009 r5:c086e914 r4:c1a20c50 # [ 151.938869] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 151.946358] r7:0000001f r6:c1a20c50 r5:c1a20cb4 r4:c5c7c000 # [ 151.952030] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) # [ 151.960997] r9:c1accc50 r8:c15e8784 r7:c5c7df60 r6:00000016 r5:00000000 r4:c5c7c000 # [ 151.968755] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) # [ 151.978423] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_NEGATIVE+0x48/0x70) # [ 151.988528] [] (lkdtm_REFCOUNT_DEC_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 151.997665] r5:c4524000 r4:00000030 # [ 152.001250] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 152.009266] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 152.017192] r9:c5c7df60 r8:c5393b40 r7:00000016 r6:b6e24000 r5:c66b0dc0 r4:c0c2f9e8 # [ 152.024951] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 152.032790] r9:c07f63e4 r8:c5c7df60 r7:c2816000 r6:b6e24000 r5:c66b0dc0 r4:00000000 # [ 152.040543] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 152.047688] r10:00000004 r9:00000000 r8:00000000 r7:b6e24000 r6:c5c7c000 r5:c66b0dc0 # [ 152.055521] r4:c66b0dc0 # [ 152.058064] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 152.065207] r9:c5c7c000 r8:c03002e4 r7:00000004 r6:b6f6be00 r5:00000016 r4:00000016 # [ 152.072961] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 152.080535] Exception stack(0xc5c7dfa8 to 0xc5c7dff0) # [ 152.085594] dfa0: 00000016 00000016 00000001 b6e24000 00000016 00000000 # [ 152.093781] dfc0: 00000016 00000016 b6f6be00 00000004 00000001 00000000 00020000 bec3aa54 # [ 152.101964] dfe0: 00000004 bec3a788 b6ed64cf b6e5c7e6 # [ 152.107048] irq event stamp: 0 # [ 152.110120] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 152.115731] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 152.123248] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 152.130745] softirqs last disabled at (0): [<00000000>] 0x0 # [ 152.136348] ---[ end trace 84a08c8d8b70be99 ]--- # [ 152.140976] 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 [ 152.623295] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE [ 152.630109] lkdtm: attempting bad refcount_dec_and_test() below zero [ 152.636522] ------------[ cut here ]------------ [ 152.641175] WARNING: CPU: 0 PID: 2909 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 [ 152.649747] refcount_t: underflow; use-after-free. [ 152.654684] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display imx_ldb etnaviv imxdrm gpu_sched imx_ipu_v3 [ 152.684248] CPU: 0 PID: 2909 Comm: cat Tainted: G D W 5.10.161-cip22 #1 [ 152.691999] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 152.698531] Backtrace: [ 152.701003] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 152.708583] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f5f4 [ 152.714250] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 152.721572] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 152.728543] r9:00000009 r8:c086e9e4 r7:0000001c r6:00000009 r5:c086e9e4 r4:c1a20c50 [ 152.736295] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 152.743785] r7:0000001c r6:c1a20c50 r5:c1a20c8c r4:c62e4000 [ 152.749459] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) [ 152.758512] r9:c1accc68 r8:c15e8784 r7:c62e5f60 r6:0000001f r5:00000000 r4:c62e4000 [ 152.766270] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) [ 152.776722] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x50/0x8c) [ 152.788388] [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) [ 152.798307] r5:c4524000 r4:00000031 [ 152.801895] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 152.809913] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 152.817839] r9:c62e5f60 r8:c5393b40 r7:0000001f r6:b6e23000 r5:c5b70640 r4:c0c2f9e8 [ 152.825595] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 152.833433] r9:c07f63e4 r8:c62e5f60 r7:c2816000 r6:b6e23000 r5:c5b70640 r4:00000000 [ 152.841183] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 152.848326] r10:00000004 r9:00000000 r8:00000000 r7:b6e23000 r6:c62e4000 r5:c5b70640 [ 152.856158] r4:c5b70640 [ 152.858700] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 152.865844] r9:c62e4000 r8:c03002e4 r7:00000004 r6:b6f6ae00 r5:0000001f r4:0000001f [ 152.873597] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 152.881173] Exception stack(0xc62e5fa8 to 0xc62e5ff0) [ 152.886234] 5fa0: 0000001f 0000001f 00000001 b6e23000 0000001f 00000000 [ 152.894420] 5fc0: 0000001f 0000001f b6f6ae00 00000004 00000001 00000000 00020000 bedf4a54 [ 152.902603] 5fe0: 00000004 bedf4788 b6ed54cf b6e5b7e6 [ 152.907720] irq event stamp: 0 [ 152.910791] hardirqs last enabled at (0): [<00000000>] 0x0 [ 152.916406] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 152.924361] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 152.933722] softirqs last disabled at (0): [<00000000>] 0x0 [ 152.939321] ---[ end trace 84a08c8d8b70be9a ]--- [ 152.943980] lkdtm: Negative detected: saturated # [ 152.623295] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 152.630109] lkdtm: attempting bad refcount_dec_and_test() below zero # [ 152.636522] ------------[ cut here ]------------ # [ 152.641175] WARNING: CPU: 0 PID: 2909 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 152.649747] refcount_t: underflow; use-after-free. # [ 152.654684] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display imx_ldb etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 152.684248] CPU: 0 PID: 2909 Comm: cat Tainted: G D W 5.10.161-cip22 #1 # [ 152.691999] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 152.698531] Backtrace: # [ 152.701003] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 152.708583] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f5f4 # [ 152.714250] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 152.721572] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 152.728543] r9:00000009 r8:c086e9e4 r7:0000001c r6:00000009 r5:c086e9e4 r4:c1a20c50 # [ 152.736295] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 152.743785] r7:0000001c r6:c1a20c50 r5:c1a20c8c r4:c62e4000 # [ 152.749459] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 152.758512] r9:c1accc68 r8:c15e8784 r7:c62e5f60 r6:0000001f r5:00000000 r4:c62e4000 # [ 152.766270] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 152.776722] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x50/0x8c) # [ 152.788388] [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 152.798307] r5:c4524000 r4:00000031 # [ 152.801895] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 152.809913] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 152.817839] r9:c62e5f60 r8:c5393b40 r7:0000001f r6:b6e23000 r5:c5b70640 r4:c0c2f9e8 # [ 152.825595] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 152.833433] r9:c07f63e4 r8:c62e5f60 r7:c2816000 r6:b6e23000 r5:c5b70640 r4:00000000 # [ 152.841183] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 152.848326] r10:00000004 r9:00000000 r8:00000000 r7:b6e23000 r6:c62e4000 r5:c5b70640 # [ 152.856158] r4:c5b70640 # [ 152.858700] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 152.865844] r9:c62e4000 r8:c03002e4 r7:00000004 r6:b6f6ae00 r5:0000001f r4:0000001f # [ 152.873597] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 152.881173] Exception stack(0xc62e5fa8 to 0xc62e5ff0) # [ 152.886234] 5fa0: 0000001f 0000001f 00000001 b6e23000 0000001f 00000000 # [ 152.894420] 5fc0: 0000001f 0000001f b6f6ae00 00000004 00000001 00000000 00020000 bedf4a54 # [ 152.902603] 5fe0: 00000004 bedf4788 b6ed54cf b6e5b7e6 # [ 152.907720] irq event stamp: 0 # [ 152.910791] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 152.916406] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 152.924361] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 152.933722] softirqs last disabled at (0): [<00000000>] 0x0 # [ 152.939321] ---[ end trace 84a08c8d8b70be9a ]--- # [ 152.943980] 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 [ 153.477018] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE [ 153.483956] lkdtm: attempting bad refcount_sub_and_test() below zero [ 153.490350] ------------[ cut here ]------------ [ 153.495055] WARNING: CPU: 1 PID: 2944 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 [ 153.503754] refcount_t: underflow; use-after-free. [ 153.508583] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display imx_ldb etnaviv imxdrm gpu_sched imx_ipu_v3 [ 153.537789] CPU: 1 PID: 2944 Comm: cat Tainted: G D W 5.10.161-cip22 #1 [ 153.545539] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 153.552071] Backtrace: [ 153.554542] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 153.562120] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f5f4 [ 153.567790] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 153.575111] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 153.582081] r9:00000009 r8:c086e9e4 r7:0000001c r6:00000009 r5:c086e9e4 r4:c1a20c50 [ 153.589834] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 153.597323] r7:0000001c r6:c1a20c50 r5:c1a20c8c r4:c66e2000 [ 153.602997] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) [ 153.612049] r9:c1accc88 r8:c15e8784 r7:c66e3f60 r6:0000001f r5:c66be000 r4:c66e2000 [ 153.619806] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) [ 153.630259] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x50/0x8c) [ 153.641925] [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) [ 153.651843] r4:00000032 [ 153.654387] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 153.662405] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 153.670330] r9:c66e3f60 r8:c5393b40 r7:0000001f r6:b6eaa000 r5:c62d6a00 r4:c0c2f9e8 [ 153.678086] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 153.685922] r9:c07f63e4 r8:c66e3f60 r7:c2816000 r6:b6eaa000 r5:c62d6a00 r4:00000000 [ 153.693675] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 153.700818] r10:00000004 r9:00000000 r8:00000000 r7:b6eaa000 r6:c66e2000 r5:c62d6a00 [ 153.708652] r4:c62d6a00 [ 153.711195] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 153.718337] r9:c66e2000 r8:c03002e4 r7:00000004 r6:b6ff1e00 r5:0000001f r4:0000001f [ 153.726092] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 153.733666] Exception stack(0xc66e3fa8 to 0xc66e3ff0) [ 153.738727] 3fa0: 0000001f 0000001f 00000001 b6eaa000 0000001f 00000000 [ 153.746912] 3fc0: 0000001f 0000001f b6ff1e00 00000004 00000001 00000000 00020000 bedc1a54 [ 153.755095] 3fe0: 00000004 bedc1788 b6f5c4cf b6ee27e6 [ 153.760217] irq event stamp: 0 [ 153.763312] hardirqs last enabled at (0): [<00000000>] 0x0 [ 153.768903] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 153.776459] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 153.784000] softirqs last disabled at (0): [<00000000>] 0x0 [ 153.789589] ---[ end trace 84a08c8d8b70be9b ]--- [ 153.794248] lkdtm: Negative detected: saturated # [ 153.477018] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 153.483956] lkdtm: attempting bad refcount_sub_and_test() below zero # [ 153.490350] ------------[ cut here ]------------ # [ 153.495055] WARNING: CPU: 1 PID: 2944 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 153.503754] refcount_t: underflow; use-after-free. # [ 153.508583] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display imx_ldb etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 153.537789] CPU: 1 PID: 2944 Comm: cat Tainted: G D W 5.10.161-cip22 #1 # [ 153.545539] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 153.552071] Backtrace: # [ 153.554542] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 153.562120] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f5f4 # [ 153.567790] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 153.575111] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 153.582081] r9:00000009 r8:c086e9e4 r7:0000001c r6:00000009 r5:c086e9e4 r4:c1a20c50 # [ 153.589834] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 153.597323] r7:0000001c r6:c1a20c50 r5:c1a20c8c r4:c66e2000 # [ 153.602997] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 153.612049] r9:c1accc88 r8:c15e8784 r7:c66e3f60 r6:0000001f r5:c66be000 r4:c66e2000 # [ 153.619806] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 153.630259] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x50/0x8c) # [ 153.641925] [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 153.651843] r4:00000032 # [ 153.654387] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 153.662405] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 153.670330] r9:c66e3f60 r8:c5393b40 r7:0000001f r6:b6eaa000 r5:c62d6a00 r4:c0c2f9e8 # [ 153.678086] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 153.685922] r9:c07f63e4 r8:c66e3f60 r7:c2816000 r6:b6eaa000 r5:c62d6a00 r4:00000000 # [ 153.693675] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 153.700818] r10:00000004 r9:00000000 r8:00000000 r7:b6eaa000 r6:c66e2000 r5:c62d6a00 # [ 153.708652] r4:c62d6a00 # [ 153.711195] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 153.718337] r9:c66e2000 r8:c03002e4 r7:00000004 r6:b6ff1e00 r5:0000001f r4:0000001f # [ 153.726092] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 153.733666] Exception stack(0xc66e3fa8 to 0xc66e3ff0) # [ 153.738727] 3fa0: 0000001f 0000001f 00000001 b6eaa000 0000001f 00000000 # [ 153.746912] 3fc0: 0000001f 0000001f b6ff1e00 00000004 00000001 00000000 00020000 bedc1a54 # [ 153.755095] 3fe0: 00000004 bedc1788 b6f5c4cf b6ee27e6 # [ 153.760217] irq event stamp: 0 # [ 153.763312] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 153.768903] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 153.776459] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 153.784000] softirqs last disabled at (0): [<00000000>] 0x0 # [ 153.789589] ---[ end trace 84a08c8d8b70be9b ]--- # [ 153.794248] 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 [ 154.244374] lkdtm: Performing direct entry REFCOUNT_INC_ZERO [ 154.251084] lkdtm: attempting safe refcount_inc_not_zero() from zero [ 154.257524] lkdtm: Good: zero detected [ 154.261285] lkdtm: Correctly stayed at zero [ 154.265506] lkdtm: attempting bad refcount_inc() from zero [ 154.271003] ------------[ cut here ]------------ [ 154.275681] WARNING: CPU: 3 PID: 2976 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 [ 154.284246] refcount_t: addition on 0; use-after-free. [ 154.289394] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display imx_ldb etnaviv imxdrm gpu_sched imx_ipu_v3 [ 154.318560] CPU: 3 PID: 2976 Comm: cat Tainted: G D W 5.10.161-cip22 #1 [ 154.326310] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 154.332842] Backtrace: [ 154.335313] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 154.342892] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f5f4 [ 154.348561] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 154.355885] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 154.362856] r9:00000009 r8:c086e9b0 r7:00000019 r6:00000009 r5:c086e9b0 r4:c1a20c50 [ 154.370610] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 154.378098] r7:00000019 r6:c1a20c50 r5:c1a20c60 r4:c62cc000 [ 154.383769] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) [ 154.392822] r9:c1accca8 r8:c15e8784 r7:c62cdf60 r6:00000012 r5:00000000 r4:c62cc000 [ 154.400579] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) [ 154.410246] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_ZERO+0xa8/0xcc) [ 154.420004] [] (lkdtm_REFCOUNT_INC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) [ 154.428793] r5:c2f5e000 r4:00000033 [ 154.432379] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 154.440396] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 154.448321] r9:c62cdf60 r8:c5393b40 r7:00000012 r6:b6e8a000 r5:c5b7c8c0 r4:c0c2f9e8 [ 154.456078] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 154.463916] r9:c07f63e4 r8:c62cdf60 r7:c2816000 r6:b6e8a000 r5:c5b7c8c0 r4:00000000 [ 154.471667] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 154.478810] r10:00000004 r9:00000000 r8:00000000 r7:b6e8a000 r6:c62cc000 r5:c5b7c8c0 [ 154.486642] r4:c5b7c8c0 [ 154.489185] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 154.496328] r9:c62cc000 r8:c03002e4 r7:00000004 r6:b6fd1e00 r5:00000012 r4:00000012 [ 154.504083] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 154.511658] Exception stack(0xc62cdfa8 to 0xc62cdff0) [ 154.516718] dfa0: 00000012 00000012 00000001 b6e8a000 00000012 00000000 [ 154.524902] dfc0: 00000012 00000012 b6fd1e00 00000004 00000001 00000000 00020000 beb77a54 [ 154.533086] dfe0: 00000004 beb77788 b6f3c4cf b6ec27e6 [ 154.538188] irq event stamp: 0 [ 154.541261] hardirqs last enabled at (0): [<00000000>] 0x0 [ 154.546876] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 154.554430] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 154.561952] softirqs last disabled at (0): [<00000000>] 0x0 [ 154.567587] ---[ end trace 84a08c8d8b70be9c ]--- [ 154.572246] lkdtm: Zero detected: saturated # [ 154.244374] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 154.251084] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 154.257524] lkdtm: Good: zero detected # [ 154.261285] lkdtm: Correctly stayed at zero # [ 154.265506] lkdtm: attempting bad refcount_inc() from zero # [ 154.271003] ------------[ cut here ]------------ # [ 154.275681] WARNING: CPU: 3 PID: 2976 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 # [ 154.284246] refcount_t: addition on 0; use-after-free. # [ 154.289394] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display imx_ldb etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 154.318560] CPU: 3 PID: 2976 Comm: cat Tainted: G D W 5.10.161-cip22 #1 # [ 154.326310] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 154.332842] Backtrace: # [ 154.335313] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 154.342892] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f5f4 # [ 154.348561] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 154.355885] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 154.362856] r9:00000009 r8:c086e9b0 r7:00000019 r6:00000009 r5:c086e9b0 r4:c1a20c50 # [ 154.370610] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 154.378098] r7:00000019 r6:c1a20c50 r5:c1a20c60 r4:c62cc000 # [ 154.383769] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) # [ 154.392822] r9:c1accca8 r8:c15e8784 r7:c62cdf60 r6:00000012 r5:00000000 r4:c62cc000 # [ 154.400579] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) # [ 154.410246] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_ZERO+0xa8/0xcc) # [ 154.420004] [] (lkdtm_REFCOUNT_INC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 154.428793] r5:c2f5e000 r4:00000033 # [ 154.432379] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 154.440396] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 154.448321] r9:c62cdf60 r8:c5393b40 r7:00000012 r6:b6e8a000 r5:c5b7c8c0 r4:c0c2f9e8 # [ 154.456078] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 154.463916] r9:c07f63e4 r8:c62cdf60 r7:c2816000 r6:b6e8a000 r5:c5b7c8c0 r4:00000000 # [ 154.471667] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 154.478810] r10:00000004 r9:00000000 r8:00000000 r7:b6e8a000 r6:c62cc000 r5:c5b7c8c0 # [ 154.486642] r4:c5b7c8c0 # [ 154.489185] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 154.496328] r9:c62cc000 r8:c03002e4 r7:00000004 r6:b6fd1e00 r5:00000012 r4:00000012 # [ 154.504083] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 154.511658] Exception stack(0xc62cdfa8 to 0xc62cdff0) # [ 154.516718] dfa0: 00000012 00000012 00000001 b6e8a000 00000012 00000000 # [ 154.524902] dfc0: 00000012 00000012 b6fd1e00 00000004 00000001 00000000 00020000 beb77a54 # [ 154.533086] dfe0: 00000004 beb77788 b6f3c4cf b6ec27e6 # [ 154.538188] irq event stamp: 0 # [ 154.541261] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 154.546876] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 154.554430] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 154.561952] softirqs last disabled at (0): [<00000000>] 0x0 # [ [ 155.019164] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO 154.567587] ---[ end trace 84a08c[ 155.026370] lkdtm: attempting safe refcount_add_not_zero() from zero 8d8b70be9c ]--- # [ 154.572246][ 155.035584] lkdtm: Good: zero detected lkdtm: Zero detected: saturated [ 155.042192] lkdtm: Correctly stayed at zero # REFCOUNT_INC_ZERO: [m i s1s5i5.049179] lkdtm: attempting bad refcount_add() from zero g 'call trace:': [FAIL] not ok 5[ 155.057049] ------------[ cut here ]------------ 0 selftests: lkdtm: REFCOUNT_INC_[ 155.064547] WARNING: CPU: 2 PID: 3010 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 ZERO.sh # exit=1 # selftests: lk[ 155.075924] refcount_t: addition on 0; use-after-free. dtm: REFCOUNT_ADD_ZERO.sh [ 155.083918] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display imx_ldb etnaviv imxdrm gpu_sched imx_ipu_v3 [ 155.115110] CPU: 2 PID: 3010 Comm: cat Tainted: G D W 5.10.161-cip22 #1 [ 155.122863] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 155.129398] Backtrace: [ 155.131877] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 155.139459] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f5f4 [ 155.145133] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 155.152460] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 155.159434] r9:00000009 r8:c086e9b0 r7:00000019 r6:00000009 r5:c086e9b0 r4:c1a20c50 [ 155.167193] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 155.174686] r7:00000019 r6:c1a20c50 r5:c1a20c60 r4:c66ec000 [ 155.180363] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) [ 155.189420] r9:c1acccbc r8:c15e8784 r7:c66edf60 r6:00000012 r5:00000000 r4:c66ec000 [ 155.197179] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) [ 155.206854] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_ZERO+0xa8/0xcc) [ 155.216614] [] (lkdtm_REFCOUNT_ADD_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) [ 155.225408] r5:c6073000 r4:00000034 [ 155.228998] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 155.237021] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 155.244949] r9:c66edf60 r8:c5393b40 r7:00000012 r6:b6e01000 r5:c62ce3c0 r4:c0c2f9e8 [ 155.252712] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 155.260555] r9:c07f63e4 r8:c66edf60 r7:c2816000 r6:b6e01000 r5:c62ce3c0 r4:00000000 [ 155.268313] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 155.275460] r10:00000004 r9:00000000 r8:00000000 r7:b6e01000 r6:c66ec000 r5:c62ce3c0 [ 155.283298] r4:c62ce3c0 [ 155.285845] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 155.292993] r9:c66ec000 r8:c03002e4 r7:00000004 r6:b6f48e00 r5:00000012 r4:00000012 [ 155.300751] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 155.308328] Exception stack(0xc66edfa8 to 0xc66edff0) [ 155.313391] dfa0: 00000012 00000012 00000001 b6e01000 00000012 00000000 [ 155.321581] dfc0: 00000012 00000012 b6f48e00 00000004 00000001 00000000 00020000 beac4a54 [ 155.329768] dfe0: 00000004 beac4788 b6eb34cf b6e397e6 [ 155.334901] irq event stamp: 0 [ 155.337986] hardirqs last enabled at (0): [<00000000>] 0x0 [ 155.343615] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 155.351119] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 155.358655] softirqs last disabled at (0): [<00000000>] 0x0 [ 155.364277] ---[ end trace 84a08c8d8b70be9d ]--- [ 155.368910] lkdtm: Zero detected: saturated # [ 155.019164] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 155.026370] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 155.035584] lkdtm: Good: zero detected # [ 155.042192] lkdtm: Correctly stayed at zero # [ 155.049179] lkdtm: attempting bad refcount_add() from zero # [ 155.057049] ------------[ cut here ]------------ # [ 155.064547] WARNING: CPU: 2 PID: 3010 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 # [ 155.075924] refcount_t: addition on 0; use-after-free. # [ 155.083918] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display imx_ldb etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 155.115110] CPU: 2 PID: 3010 Comm: cat Tainted: G D W 5.10.161-cip22 #1 # [ 155.122863] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 155.129398] Backtrace: # [ 155.131877] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 155.139459] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f5f4 # [ 155.145133] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 155.152460] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 155.159434] r9:00000009 r8:c086e9b0 r7:00000019 r6:00000009 r5:c086e9b0 r4:c1a20c50 # [ 155.167193] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 155.174686] r7:00000019 r6:c1a20c50 r5:c1a20c60 r4:c66ec000 # [ 155.180363] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) # [ 155.189420] r9:c1acccbc r8:c15e8784 r7:c66edf60 r6:00000012 r5:00000000 r4:c66ec000 # [ 155.197179] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) # [ 155.206854] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_ZERO+0xa8/0xcc) # [ 155.216614] [] (lkdtm_REFCOUNT_ADD_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 155.225408] r5:c6073000 r4:00000034 # [ 155.228998] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 155.237021] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 155.244949] r9:c66edf60 r8:c5393b40 r7:00000012 r6:b6e01000 r5:c62ce3c0 r4:c0c2f9e8 # [ 155.252712] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 155.260555] r9:c07f63e4 r8:c66edf60 r7:c2816000 r6:b6e01000 r5:c62ce3c0 r4:00000000 # [ 155.268313] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 155.275460] r10:00000004 r9:00000000 r8:00000000 r7:b6e01000 r6:c66ec000 r5:c62ce3c0 # [ 155.283298] r4:c62ce3c0 # [ 155.285845] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 155.292993] r9:c66ec000 r8:c03002e4 r7:00000004 r6:b6f48e00 r5:00000012 r4:00000012 # [ 155.300751] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 155.308328] Exception stack(0xc66edfa8 to 0xc66edff0) # [ 155.313391] dfa0: 00000012 00000012 00000001 b6e01000 00000012 00000000 # [ 155.321581] dfc0: 00000012 00000012 b6f48e00 00000004 00000001 00000000 00020000 beac4a54 # [ 155.329768] dfe0: 00000004 beac4788 b6eb34cf b6e397e6 # [ 155.334901] irq event stamp: 0 # [ 155.337986] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 155.343615] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 155.351119] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 155.358655] softirqs last disabled at (0): [<00000000>] 0x0 # [ 155.364277] ---[ end trace 84a08c8d8b70be9d ]--- # [ 155.368910] 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 [ 155.854313] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED [ 155.860432] lkdtm: attempting bad refcount_inc() from saturated [ 155.866414] ------------[ cut here ]------------ [ 155.871070] WARNING: CPU: 3 PID: 3047 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 [ 155.879576] refcount_t: saturated; leaking memory. [ 155.884431] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display imx_ldb etnaviv imxdrm gpu_sched imx_ipu_v3 [ 155.913663] CPU: 3 PID: 3047 Comm: cat Tainted: G D W 5.10.161-cip22 #1 [ 155.921416] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 155.927950] Backtrace: [ 155.930430] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 155.938012] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f5f4 [ 155.943684] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 155.951011] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 155.957985] r9:00000009 r8:c086e97c r7:00000016 r6:00000009 r5:c086e97c r4:c1a20c50 [ 155.965744] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 155.973236] r7:00000016 r6:c1a20c50 r5:c1a20c28 r4:c62cc000 [ 155.978915] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) [ 155.987887] r9:c1acccd0 r8:c15e8784 r7:c62cdf60 r6:00000017 r5:c2f5e000 r4:c62cc000 [ 155.995648] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) [ 156.005323] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_SATURATED+0x4c/0x70) [ 156.015519] [] (lkdtm_REFCOUNT_INC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) [ 156.024743] r4:00000035 [ 156.027292] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 156.035314] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 156.043244] r9:c62cdf60 r8:c5393b40 r7:00000017 r6:b6e23000 r5:c62d6000 r4:c0c2f9e8 [ 156.051006] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 156.058846] r9:c07f63e4 r8:c62cdf60 r7:c2816000 r6:b6e23000 r5:c62d6000 r4:00000000 [ 156.066603] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 156.073749] r10:00000004 r9:00000000 r8:00000000 r7:b6e23000 r6:c62cc000 r5:c62d6000 [ 156.081584] r4:c62d6000 [ 156.084130] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 156.091277] r9:c62cc000 r8:c03002e4 r7:00000004 r6:b6f6ae00 r5:00000017 r4:00000017 [ 156.099034] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 156.106612] Exception stack(0xc62cdfa8 to 0xc62cdff0) [ 156.111677] dfa0: 00000017 00000017 00000001 b6e23000 00000017 00000000 [ 156.119868] dfc0: 00000017 00000017 b6f6ae00 00000004 00000001 00000000 00020000 be8aca54 [ 156.128055] dfe0: 00000004 be8ac788 b6ed54cf b6e5b7e6 [ 156.133216] irq event stamp: 0 [ 156.136294] hardirqs last enabled at (0): [<00000000>] 0x0 [ 156.141888] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 156.149455] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 156.157005] softirqs last disabled at (0): [<00000000>] 0x0 [ 156.162648] ---[ end trace 84a08c8d8b70be9e ]--- [ 156.167287] lkdtm: Saturation detected: still saturated # [ 155.854313] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 155.860432] lkdtm: attempting bad refcount_inc() from saturated # [ 155.866414] ------------[ cut here ]------------ # [ 155.871070] WARNING: CPU: 3 PID: 3047 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 155.879576] refcount_t: saturated; leaking memory. # [ 155.884431] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display imx_ldb etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 155.913663] CPU: 3 PID: 3047 Comm: cat Tainted: G D W 5.10.161-cip22 #1 # [ 155.921416] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 155.927950] Backtrace: # [ 155.930430] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 155.938012] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f5f4 # [ 155.943684] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 155.951011] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 155.957985] r9:00000009 r8:c086e97c r7:00000016 r6:00000009 r5:c086e97c r4:c1a20c50 # [ 155.965744] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 155.973236] r7:00000016 r6:c1a20c50 r5:c1a20c28 r4:c62cc000 # [ 155.978915] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 155.987887] r9:c1acccd0 r8:c15e8784 r7:c62cdf60 r6:00000017 r5:c2f5e000 r4:c62cc000 # [ 155.995648] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 156.005323] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_SATURATED+0x4c/0x70) # [ 156.015519] [] (lkdtm_REFCOUNT_INC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 156.024743] r4:00000035 # [ 156.027292] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 156.035314] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 156.043244] r9:c62cdf60 r8:c5393b40 r7:00000017 r6:b6e23000 r5:c62d6000 r4:c0c2f9e8 # [ 156.051006] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 156.058846] r9:c07f63e4 r8:c62cdf60 r7:c2816000 r6:b6e23000 r5:c62d6000 r4:00000000 # [ 156.066603] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 156.073749] r10:00000004 r9:00000000 r8:00000000 r7:b6e23000 r6:c62cc000 r5:c62d6000 # [ 156.081584] r4:c62d6000 # [ 156.084130] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 156.091277] r9:c62cc000 r8:c03002e4 r7:00000004 r6:b6f6ae00 r5:00000017 r4:00000017 # [ 156.099034] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 156.106612] Exception stack(0xc62cdfa8 to 0xc62cdff0) # [ 156.111677] dfa0: 00000017 00000017 00000001 b6e23000 00000017 00000000 # [ 156.119868] dfc0: 00000017 00000017 b6f6ae00 00000004 00000001 00000000 00020000 be8aca54 # [ 156.128055] dfe0: 00000004 be8ac788 b6ed54cf b6e5b7e6 # [ 156.133216] irq event stamp: 0 # [ 156.136294] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 156.141888] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 156.149455] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 156.157005] softirqs last disabled at (0): [<00000000>] 0x0 # [ 156.162648] ---[ end trace 84a08c8d8b70be9e ]--- # [ 156.167287] 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 [ 156.652793] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED [ 156.658911] lkdtm: attempting bad refcount_dec() from saturated [ 156.664921] ------------[ cut here ]------------ [ 156.669577] WARNING: CPU: 2 PID: 3082 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 [ 156.678140] refcount_t: decrement hit 0; leaking memory. [ 156.683529] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display imx_ldb etnaviv imxdrm gpu_sched imx_ipu_v3 [ 156.712723] CPU: 2 PID: 3082 Comm: cat Tainted: G D W 5.10.161-cip22 #1 [ 156.720473] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 156.727004] Backtrace: [ 156.729477] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 156.737057] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f5f4 [ 156.742726] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 156.750048] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 156.757021] r9:00000009 r8:c086e914 r7:0000001f r6:00000009 r5:c086e914 r4:c1a20c50 [ 156.764773] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 156.772263] r7:0000001f r6:c1a20c50 r5:c1a20cb4 r4:c66e2000 [ 156.777934] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) [ 156.786902] r9:c1accce8 r8:c15e8784 r7:c66e3f60 r6:00000017 r5:c678b000 r4:c66e2000 [ 156.794662] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) [ 156.804329] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_SATURATED+0x48/0x6c) [ 156.814518] [] (lkdtm_REFCOUNT_DEC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) [ 156.823741] r4:00000036 [ 156.826284] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 156.834302] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 156.842227] r9:c66e3f60 r8:c5393b40 r7:00000017 r6:b6e06000 r5:c5b71400 r4:c0c2f9e8 [ 156.849984] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 156.857821] r9:c07f63e4 r8:c66e3f60 r7:c2816000 r6:b6e06000 r5:c5b71400 r4:00000000 [ 156.865575] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 156.872717] r10:00000004 r9:00000000 r8:00000000 r7:b6e06000 r6:c66e2000 r5:c5b71400 [ 156.880550] r4:c5b71400 [ 156.883093] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 156.890236] r9:c66e2000 r8:c03002e4 r7:00000004 r6:b6f4de00 r5:00000017 r4:00000017 [ 156.897991] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 156.905566] Exception stack(0xc66e3fa8 to 0xc66e3ff0) [ 156.910626] 3fa0: 00000017 00000017 00000001 b6e06000 00000017 00000000 [ 156.918812] 3fc0: 00000017 00000017 b6f4de00 00000004 00000001 00000000 00020000 bee46a54 [ 156.926994] 3fe0: 00000004 bee46788 b6eb84cf b6e3e7e6 [ 156.932115] irq event stamp: 0 [ 156.935187] hardirqs last enabled at (0): [<00000000>] 0x0 [ 156.940774] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 156.948320] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 156.955912] softirqs last disabled at (0): [<00000000>] 0x0 [ 156.961502] ---[ end trace 84a08c8d8b70be9f ]--- [ 156.966176] lkdtm: Saturation detected: still saturated # [ 156.652793] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 156.658911] lkdtm: attempting bad refcount_dec() from saturated # [ 156.664921] ------------[ cut here ]------------ # [ 156.669577] WARNING: CPU: 2 PID: 3082 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 # [ 156.678140] refcount_t: decrement hit 0; leaking memory. # [ 156.683529] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display imx_ldb etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 156.712723] CPU: 2 PID: 3082 Comm: cat Tainted: G D W 5.10.161-cip22 #1 # [ 156.720473] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 156.727004] Backtrace: # [ 156.729477] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 156.737057] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f5f4 # [ 156.742726] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 156.750048] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 156.757021] r9:00000009 r8:c086e914 r7:0000001f r6:00000009 r5:c086e914 r4:c1a20c50 # [ 156.764773] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 156.772263] r7:0000001f r6:c1a20c50 r5:c1a20cb4 r4:c66e2000 # [ 156.777934] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) # [ 156.786902] r9:c1accce8 r8:c15e8784 r7:c66e3f60 r6:00000017 r5:c678b000 r4:c66e2000 # [ 156.794662] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) # [ 156.804329] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_SATURATED+0x48/0x6c) # [ 156.814518] [] (lkdtm_REFCOUNT_DEC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 156.823741] r4:00000036 # [ 156.826284] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 156.834302] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 156.842227] r9:c66e3f60 r8:c5393b40 r7:00000017 r6:b6e06000 r5:c5b71400 r4:c0c2f9e8 # [ 156.849984] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 156.857821] r9:c07f63e4 r8:c66e3f60 r7:c2816000 r6:b6e06000 r5:c5b71400 r4:00000000 # [ 156.865575] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 156.872717] r10:00000004 r9:00000000 r8:00000000 r7:b6e06000 r6:c66e2000 r5:c5b71400 # [ 156.880550] r4:c5b71400 # [ 156.883093] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 156.890236] r9:c66e2000 r8:c03002e4 r7:00000004 r6:b6f4de00 r5:00000017 r4:00000017 # [ 156.897991] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 156.905566] Exception stack(0xc66e3fa8 to 0xc66e3ff0) # [ 156.910626] 3fa0: 00000017 00000017 00000001 b6e06000 00000017 00000000 # [ 156.918812] 3fc0: 00000017 00000017 b6f4de00 00000004 00000001 00000000 00020000 bee46a54 # [ 156.926994] 3fe0: 00000004 bee46788 b6eb84cf b6e3e7e6 # [ 156.932115] irq event stamp: 0 # [ 156.935187] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 156.940774] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 156.948320] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 156.955912] softirqs last disabled at (0): [<00000000>] 0x0 # [ 156.961502] ---[ end trace 84a08c8d8b70be9f ]--- # [ 156.966176] 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 [ 157.491908] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED [ 157.498143] lkdtm: attempting bad refcount_dec() from saturated [ 157.504127] ------------[ cut here ]------------ [ 157.508775] WARNING: CPU: 3 PID: 3117 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 [ 157.517271] refcount_t: saturated; leaking memory. [ 157.522110] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display imx_ldb etnaviv imxdrm gpu_sched imx_ipu_v3 [ 157.551263] CPU: 3 PID: 3117 Comm: cat Tainted: G D W 5.10.161-cip22 #1 [ 157.559012] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 157.565545] Backtrace: [ 157.568016] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 157.575594] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f5f4 [ 157.581264] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 157.588585] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 157.595555] r9:00000009 r8:c086e97c r7:00000016 r6:00000009 r5:c086e97c r4:c1a20c50 [ 157.603308] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 157.610798] r7:00000016 r6:c1a20c50 r5:c1a20c28 r4:c652c000 [ 157.616469] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) [ 157.625438] r9:c1accd00 r8:c15e8784 r7:c652df60 r6:00000017 r5:c5c81000 r4:c652c000 [ 157.633193] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) [ 157.642863] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_SATURATED+0x4c/0x70) [ 157.653053] [] (lkdtm_REFCOUNT_ADD_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) [ 157.662274] r4:00000037 [ 157.664817] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 157.672835] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 157.680761] r9:c652df60 r8:c5393b40 r7:00000017 r6:b6dde000 r5:c5bc1180 r4:c0c2f9e8 [ 157.688519] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 157.696356] r9:c07f63e4 r8:c652df60 r7:c2816000 r6:b6dde000 r5:c5bc1180 r4:00000000 [ 157.704108] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 157.711253] r10:00000004 r9:00000000 r8:00000000 r7:b6dde000 r6:c652c000 r5:c5bc1180 [ 157.719084] r4:c5bc1180 [ 157.721629] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 157.728773] r9:c652c000 r8:c03002e4 r7:00000004 r6:b6f25e00 r5:00000017 r4:00000017 [ 157.736527] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 157.744103] Exception stack(0xc652dfa8 to 0xc652dff0) [ 157.749163] dfa0: 00000017 00000017 00000001 b6dde000 00000017 00000000 [ 157.757350] dfc0: 00000017 00000017 b6f25e00 00000004 00000001 00000000 00020000 bea70a54 [ 157.765534] dfe0: 00000004 bea70788 b6e904cf b6e167e6 [ 157.770648] irq event stamp: 0 [ 157.773741] hardirqs last enabled at (0): [<00000000>] 0x0 [ 157.779332] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 157.786879] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 157.794437] softirqs last disabled at (0): [<00000000>] 0x0 [ 157.800024] ---[ end trace 84a08c8d8b70bea0 ]--- [ 157.804687] lkdtm: Saturation detected: still saturated # [ 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/8435995/extract-nfsrootfs-gahl48g0,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 55442 entries in 163 pages # [ 0.000000] ftrace: allocated 163 pages with 4 groups # [ 0.000000] Running RCU self tests # [ 157.491908] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 157.498143] lkdtm: attempting bad refcount_dec() from saturated # [ 157.504127] ------------[ cut here ]------------ # [ 157.508775] WARNING: CPU: 3 PID: 3117 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 157.517271] refcount_t: saturated; leaking memory. # [ 157.522110] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display imx_ldb etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 157.551263] CPU: 3 PID: 3117 Comm: cat Tainted: G D W 5.10.161-cip22 #1 # [ 157.559012] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 157.565545] Backtrace: # [ 157.568016] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 157.575594] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f5f4 # [ 157.581264] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 157.588585] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 157.595555] r9:00000009 r8:c086e97c r7:00000016 r6:00000009 r5:c086e97c r4:c1a20c50 # [ 157.603308] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 157.610798] r7:00000016 r6:c1a20c50 r5:c1a20c28 r4:c652c000 # [ 157.616469] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 157.625438] r9:c1accd00 r8:c15e8784 r7:c652df60 r6:00000017 r5:c5c81000 r4:c652c000 # [ 157.633193] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 157.642863] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_SATURATED+0x4c/0x70) # [ 157.653053] [] (lkdtm_REFCOUNT_ADD_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 157.662274] r4:00000037 # [ 157.664817] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 157.672835] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 157.680761] r9:c652df60 r8:c5393b40 r7:00000017 r6:b6dde000 r5:c5bc1180 r4:c0c2f9e8 # [ 157.688519] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 157.696356] r9:c07f63e4 r8:c652df60 r7:c2816000 r6:b6dde000 r5:c5bc1180 r4:00000000 # [ 157.704108] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 157.711253] r10:00000004 r9:00000000 r8:00000000 r7:b6dde000 r6:c652c000 r5:c5bc1180 # [ 157.719084] r4:c5bc1180 # [ 157.721629] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 157.728773] r9:c652c000 r8:c03002e4 r7:00000004 r6:b6f25e00 r5:00000017 r4:00000017 # [ 157.736527] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 157.744103] Exception stack(0xc652dfa8 to 0xc652dff0) # [ 157.749163] dfa0: 00000017 00000017 00000001 b6dde000 00000017 00000000 # [ 157.757350] dfc0: 00000017 00000017 b6f25e00 00000004 00000001 00000000 00020000 bea70a54 # [ 157.765534] dfe0: 00000004 bea70788 b6e904cf b6e167e6 # [ 157.770648] irq event stamp: 0 # [ 157.773741] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 157.779332] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 157.786879] softirqs last enabled at (0): [] copy_proc[ 158.306485] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED ess+0x5c8/0x194c # [ 157.794437[ 158.315826] lkdtm: attempting bad refcount_inc_not_zero() from saturated ] softirqs last disabled at (0): [ 158.325315] ------------[ cut here ]------------ [<00000000>] 0x0 # [ 157.800024[ 158.332837] WARNING: CPU: 3 PID: 3149 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 ] ---[ end trace 84a08c8d8b70bea0[ 158.344106] refcount_t: saturated; leaking memory. ]--- # [ 157.804687] lkdtm: Sa[ 158.351690] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display imx_ldb etnaviv imxdrm gpu_sched imx_ipu_v3 turation detected: still saturate[ 158.383490] CPU: 3 PID: 3149 Comm: cat Tainted: G D W 5.10.161-cip22 #1 d # REFCOUNT_ADD_SA[T U R1A5T8E.394011] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) : saw 'Saturation detected: stil[ 158.402799] Backtrace: saturated': ok ok 54 selftests:[ 158.408060] [] (dump_backtrace) from [] (show_stack+0x20/0x24) lkdtm: REFCOUNT_ADD_SATURATED.s[ 158.418481] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f5f4 # selftests: lkdtm: REFCOUNT_IN[ 158.426925] [] (show_stack) from [] (dump_stack+0xe0/0x100) C_NOT_ZERO_SATURATED.sh [ 158.437111] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 158.446240] r9:00000009 r8:c086e948 r7:00000013 r6:00000009 r5:c086e948 r4:c1a20c50 [ 158.454021] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 158.461531] r7:00000013 r6:c1a20c50 r5:c1a20c28 r4:c66e2000 [ 158.467232] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) [ 158.476221] r9:c1accd18 r8:c15e8784 r7:c66e3f60 r6:00000020 r5:c2f5e000 r4:c0000000 [ 158.484014] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) [ 158.494492] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x50/0x88) [ 158.506251] r5:c2f5e000 r4:c66e2000 [ 158.509876] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) [ 158.519896] r4:00000038 [ 158.522467] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 158.530512] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 158.538458] r9:c66e3f60 r8:c5393b40 r7:00000020 r6:b6e26000 r5:c5bc1e00 r4:c0c2f9e8 [ 158.546243] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 158.554106] r9:c07f63e4 r8:c66e3f60 r7:c2816000 r6:b6e26000 r5:c5bc1e00 r4:00000000 [ 158.561881] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 158.569049] r10:00000004 r9:00000000 r8:00000000 r7:b6e26000 r6:c66e2000 r5:c5bc1e00 [ 158.576898] r4:c5bc1e00 [ 158.579465] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 158.586630] r9:c66e2000 r8:c03002e4 r7:00000004 r6:b6f6de00 r5:00000020 r4:00000020 [ 158.594410] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 158.602002] Exception stack(0xc66e3fa8 to 0xc66e3ff0) [ 158.607086] 3fa0: 00000020 00000020 00000001 b6e26000 00000020 00000000 [ 158.615296] 3fc0: 00000020 00000020 b6f6de00 00000004 00000001 00000000 00020000 bee4da54 [ 158.623500] 3fe0: 00000004 bee4d788 b6ed84cf b6e5e7e6 [ 158.628724] irq event stamp: 0 [ 158.631830] hardirqs last enabled at (0): [<00000000>] 0x0 [ 158.637527] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 158.645116] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 158.652704] softirqs last disabled at (0): [<00000000>] 0x0 [ 158.658315] ---[ end trace 84a08c8d8b70bea1 ]--- [ 158.663031] lkdtm: Saturation detected: still saturated # [ 158.306485] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 158.315826] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 158.325315] ------------[ cut here ]------------ # [ 158.332837] WARNING: CPU: 3 PID: 3149 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 158.344106] refcount_t: saturated; leaking memory. # [ 158.351690] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display imx_ldb etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 158.383490] CPU: 3 PID: 3149 Comm: cat Tainted: G D W 5.10.161-cip22 #1 # [ 158.394011] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 158.402799] Backtrace: # [ 158.408060] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 158.418481] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f5f4 # [ 158.426925] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 158.437111] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 158.446240] r9:00000009 r8:c086e948 r7:00000013 r6:00000009 r5:c086e948 r4:c1a20c50 # [ 158.454021] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 158.461531] r7:00000013 r6:c1a20c50 r5:c1a20c28 r4:c66e2000 # [ 158.467232] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 158.476221] r9:c1accd18 r8:c15e8784 r7:c66e3f60 r6:00000020 r5:c2f5e000 r4:c0000000 # [ 158.484014] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 158.494492] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x50/0x88) # [ 158.506251] r5:c2f5e000 r4:c66e2000 # [ 158.509876] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 158.519896] r4:00000038 # [ 158.522467] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 158.530512] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 158.538458] r9:c66e3f60 r8:c5393b40 r7:00000020 r6:b6e26000 r5:c5bc1e00 r4:c0c2f9e8 # [ 158.546243] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 158.554106] r9:c07f63e4 r8:c66e3f60 r7:c2816000 r6:b6e26000 r5:c5bc1e00 r4:00000000 # [ 158.561881] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 158.569049] r10:00000004 r9:00000000 r8:00000000 r7:b6e26000 r6:c66e2000 r5:c5bc1e00 # [ 158.576898] r4:c5bc1e00 # [ 158.579465] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 158.586630] r9:c66e2000 r8:c03002e4 r7:00000004 r6:b6f6de00 r5:00000020 r4:00000020 # [ 158.594410] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 158.602002] Exception stack(0xc66e3fa8 to 0xc66e3ff0) # [ 158.607086] 3fa0: 00000020 00000020 00000001 b6e26000 00000020 00000000 # [ 158.615296] 3fc0: 00000020 00000020 b6f6de00 00000004 00000001 00000000 00020000 bee4da54 # [ 158.623500] 3fe0: 00000004 bee4d788 b6ed84cf b6e5e7e6 # [ 158.628724] irq event stamp: 0 # [ 158.631830] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 158.637527] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 158.645116] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 158.652704] softirqs last disabled at (0): [<00000000>] 0x0 # [ 158.658315] ---[ end trace 84a08c8d8b70bea1 ]--- # [ 158.663031] 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 [ 159.167536] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED [ 159.174521] lkdtm: attempting bad refcount_add_not_zero() from saturated [ 159.181239] ------------[ cut here ]------------ [ 159.185938] WARNING: CPU: 3 PID: 3183 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 [ 159.194448] refcount_t: saturated; leaking memory. [ 159.199254] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display imx_ldb etnaviv imxdrm gpu_sched imx_ipu_v3 [ 159.228489] CPU: 3 PID: 3183 Comm: cat Tainted: G D W 5.10.161-cip22 #1 [ 159.236243] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 159.242778] Backtrace: [ 159.245254] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 159.252838] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f5f4 [ 159.258512] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 159.265839] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 159.272815] r9:00000009 r8:c086e948 r7:00000013 r6:00000009 r5:c086e948 r4:c1a20c50 [ 159.280574] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 159.288068] r7:00000013 r6:c1a20c50 r5:c1a20c28 r4:c5a02000 [ 159.293745] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) [ 159.302716] r9:c1accd38 r8:c15e8784 r7:c5a03f60 r6:00000020 r5:c2f5e000 r4:c0000000 [ 159.310485] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) [ 159.320940] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x50/0x88) [ 159.332683] r5:c2f5e000 r4:c5a02000 [ 159.336283] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) [ 159.346289] r4:00000039 [ 159.348839] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 159.356862] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 159.364789] r9:c5a03f60 r8:c5393b40 r7:00000020 r6:b6e77000 r5:c5b7d180 r4:c0c2f9e8 [ 159.372552] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 159.380395] r9:c07f63e4 r8:c5a03f60 r7:c2816000 r6:b6e77000 r5:c5b7d180 r4:00000000 [ 159.388152] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 159.395299] r10:00000004 r9:00000000 r8:00000000 r7:b6e77000 r6:c5a02000 r5:c5b7d180 [ 159.403134] r4:c5b7d180 [ 159.405680] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 159.412826] r9:c5a02000 r8:c03002e4 r7:00000004 r6:b6fbee00 r5:00000020 r4:00000020 [ 159.420585] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 159.428162] Exception stack(0xc5a03fa8 to 0xc5a03ff0) [ 159.433226] 3fa0: 00000020 00000020 00000001 b6e77000 00000020 00000000 [ 159.441417] 3fc0: 00000020 00000020 b6fbee00 00000004 00000001 00000000 00020000 beeb5a54 [ 159.449603] 3fe0: 00000004 beeb5788 b6f294cf b6eaf7e6 [ 159.454744] irq event stamp: 0 [ 159.457822] hardirqs last enabled at (0): [<00000000>] 0x0 [ 159.463458] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 159.470961] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 159.478539] softirqs last disabled at (0): [<00000000>] 0x0 [ 159.484186] ---[ end trace 84a08c8d8b70bea2 ]--- [ 159.488823] lkdtm: Saturation detected: still saturated # [ 159.167536] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 159.174521] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 159.181239] ------------[ cut here ]------------ # [ 159.185938] WARNING: CPU: 3 PID: 3183 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 159.194448] refcount_t: saturated; leaking memory. # [ 159.199254] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display imx_ldb etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 159.228489] CPU: 3 PID: 3183 Comm: cat Tainted: G D W 5.10.161-cip22 #1 # [ 159.236243] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 159.242778] Backtrace: # [ 159.245254] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 159.252838] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f5f4 # [ 159.258512] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 159.265839] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 159.272815] r9:00000009 r8:c086e948 r7:00000013 r6:00000009 r5:c086e948 r4:c1a20c50 # [ 159.280574] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 159.288068] r7:00000013 r6:c1a20c50 r5:c1a20c28 r4:c5a02000 # [ 159.293745] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 159.302716] r9:c1accd38 r8:c15e8784 r7:c5a03f60 r6:00000020 r5:c2f5e000 r4:c0000000 # [ 159.310485] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 159.320940] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x50/0x88) # [ 159.332683] r5:c2f5e000 r4:c5a02000 # [ 159.336283] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 159.346289] r4:00000039 # [ 159.348839] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 159.356862] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 159.364789] r9:c5a03f60 r8:c5393b40 r7:00000020 r6:b6e77000 r5:c5b7d180 r4:c0c2f9e8 # [ 159.372552] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 159.380395] r9:c07f63e4 r8:c5a03f60 r7:c2816000 r6:b6e77000 r5:c5b7d180 r4:00000000 # [ 159.388152] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 159.395299] r10:00000004 r9:00000000 r8:00000000 r7:b6e77000 r6:c5a02000 r5:c5b7d180 # [ 159.403134] r4:c5b7d180 # [ 159.405680] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 159.412826] r9:c5a02000 r8:c03002e4 r7:00000004 r6:b6fbee00 r5:00000020 r4:00000020 # [ 159.420585] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 159.428162] Exception stack(0xc5a03fa8 to 0xc5a03ff0) # [ 159.433226] 3fa0: 00000020 00000020 00000001 b6e77000 00000020 00000000 # [ 159.441417] 3fc0: 00000020 00000020 b6fbee00 00000004 00000001 00000000 00020000 beeb5a54 # [ 159.449603] 3fe0: 00000004 beeb5788 b6f294cf b6eaf7e6 # [ 159.454744] irq event stamp: 0 # [ 159.457822] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 159.463458] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 159.470961] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 159.478539] softirqs last disabled at (0): [<00000000>] 0x0 # [ 159.484186] ---[ end trace 84a08c8d8b70bea2 ]--- # [ 159.488823] 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 [ 159.980358] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED [ 159.987374] lkdtm: attempting bad refcount_dec_and_test() from saturated [ 159.994139] ------------[ cut here ]------------ [ 159.998788] WARNING: CPU: 1 PID: 3220 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 [ 160.007372] refcount_t: underflow; use-after-free. [ 160.012221] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display imx_ldb etnaviv imxdrm gpu_sched imx_ipu_v3 [ 160.041375] CPU: 1 PID: 3220 Comm: cat Tainted: G D W 5.10.161-cip22 #1 [ 160.049124] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 160.055655] Backtrace: [ 160.058125] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 160.065704] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f5f4 [ 160.071374] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 160.078698] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 160.085669] r9:00000009 r8:c086e9e4 r7:0000001c r6:00000009 r5:c086e9e4 r4:c1a20c50 [ 160.093423] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 160.100911] r7:0000001c r6:c1a20c50 r5:c1a20c8c r4:c65e4000 [ 160.106583] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) [ 160.115638] r9:c1accd58 r8:c15e8784 r7:c65e5f60 r6:00000020 r5:c5c8c000 r4:c65e4000 [ 160.123395] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) [ 160.133848] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x50/0x88) [ 160.145600] [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) [ 160.155604] r4:0000003a [ 160.158148] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 160.166164] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 160.174089] r9:c65e5f60 r8:c5393b40 r7:00000020 r6:b6db7000 r5:c66b0a00 r4:c0c2f9e8 [ 160.181846] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 160.189684] r9:c07f63e4 r8:c65e5f60 r7:c2816000 r6:b6db7000 r5:c66b0a00 r4:00000000 [ 160.197437] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 160.204582] r10:00000004 r9:00000000 r8:00000000 r7:b6db7000 r6:c65e4000 r5:c66b0a00 [ 160.212414] r4:c66b0a00 [ 160.214958] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 160.222103] r9:c65e4000 r8:c03002e4 r7:00000004 r6:b6efee00 r5:00000020 r4:00000020 [ 160.229858] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 160.237432] Exception stack(0xc65e5fa8 to 0xc65e5ff0) [ 160.242492] 5fa0: 00000020 00000020 00000001 b6db7000 00000020 00000000 [ 160.250680] 5fc0: 00000020 00000020 b6efee00 00000004 00000001 00000000 00020000 bec08a54 [ 160.258862] 5fe0: 00000004 bec08788 b6e694cf b6def7e6 [ 160.263986] irq event stamp: 0 [ 160.267058] hardirqs last enabled at (0): [<00000000>] 0x0 [ 160.272674] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 160.280197] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 160.287738] softirqs last disabled at (0): [<00000000>] 0x0 [ 160.293364] ---[ end trace 84a08c8d8b70bea3 ]--- [ 160.297996] lkdtm: Saturation detected: still saturated # [ 159.980358] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 159.987374] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 159.994139] ------------[ cut here ]------------ # [ 159.998788] WARNING: CPU: 1 PID: 3220 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 160.007372] refcount_t: underflow; use-after-free. # [ 160.012221] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display imx_ldb etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 160.041375] CPU: 1 PID: 3220 Comm: cat Tainted: G D W 5.10.161-cip22 #1 # [ 160.049124] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 160.055655] Backtrace: # [ 160.058125] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 160.065704] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f5f4 # [ 160.071374] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 160.078698] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 160.085669] r9:00000009 r8:c086e9e4 r7:0000001c r6:00000009 r5:c086e9e4 r4:c1a20c50 # [ 160.093423] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 160.100911] r7:0000001c r6:c1a20c50 r5:c1a20c8c r4:c65e4000 # [ 160.106583] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 160.115638] r9:c1accd58 r8:c15e8784 r7:c65e5f60 r6:00000020 r5:c5c8c000 r4:c65e4000 # [ 160.123395] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 160.133848] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x50/0x88) # [ 160.145600] [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 160.155604] r4:0000003a # [ 160.158148] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 160.166164] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 160.174089] r9:c65e5f60 r8:c5393b40 r7:00000020 r6:b6db7000 r5:c66b0a00 r4:c0c2f9e8 # [ 160.181846] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 160.189684] r9:c07f63e4 r8:c65e5f60 r7:c2816000 r6:b6db7000 r5:c66b0a00 r4:00000000 # [ 160.197437] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 160.204582] r10:00000004 r9:00000000 r8:00000000 r7:b6db7000 r6:c65e4000 r5:c66b0a00 # [ 160.212414] r4:c66b0a00 # [ 160.214958] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 160.222103] r9:c65e4000 r8:c03002e4 r7:00000004 r6:b6efee00 r5:00000020 r4:00000020 # [ 160.229858] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 160.237432] Exception stack(0xc65e5fa8 to 0xc65e5ff0) # [ 160.242492] 5fa0: 00000020 00000020 00000001 b6db7000 00000020 00000000 # [ 160.250680] 5fc0: 00000020 00000020 b6efee00 00000004 00000001 00000000 00020000 bec08a54 # [ 160.258862] 5fe0: 00000004 bec08788 b6e694cf b6def7e6 # [ 160.263986] irq event stamp: 0 # [ 160.267058] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 160.272674] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 160.280197] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 160.287738] softirqs last disabled at (0): [<00000000>] 0x0 # [ 160.293364] ---[ end trace 84a08c8d8b70bea3 ]--- # [ 160.297996] 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 [ 160.781481] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED [ 160.788445] lkdtm: attempting bad refcount_sub_and_test() from saturated [ 160.795206] ------------[ cut here ]------------ [ 160.799858] WARNING: CPU: 1 PID: 3255 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 [ 160.808544] refcount_t: underflow; use-after-free. [ 160.813395] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display imx_ldb etnaviv imxdrm gpu_sched imx_ipu_v3 [ 160.842549] CPU: 1 PID: 3255 Comm: cat Tainted: G D W 5.10.161-cip22 #1 [ 160.850299] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 160.856831] Backtrace: [ 160.859302] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 160.866881] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f5f4 [ 160.872552] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 160.879874] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 160.886845] r9:00000009 r8:c086e9e4 r7:0000001c r6:00000009 r5:c086e9e4 r4:c1a20c50 [ 160.894600] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 160.902091] r7:0000001c r6:c1a20c50 r5:c1a20c8c r4:c652c000 [ 160.907765] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) [ 160.916818] r9:c1accd78 r8:c15e8784 r7:c652df60 r6:00000020 r5:c5c8c000 r4:c652c000 [ 160.924574] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) [ 160.935026] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x50/0x88) [ 160.946780] [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) [ 160.956784] r4:0000003b [ 160.959329] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 160.967346] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 160.975272] r9:c652df60 r8:c5393b40 r7:00000020 r6:b6e30000 r5:c5a84c80 r4:c0c2f9e8 [ 160.983029] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 160.990865] r9:c07f63e4 r8:c652df60 r7:c2816000 r6:b6e30000 r5:c5a84c80 r4:00000000 [ 160.998619] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 161.005762] r10:00000004 r9:00000000 r8:00000000 r7:b6e30000 r6:c652c000 r5:c5a84c80 [ 161.013595] r4:c5a84c80 [ 161.016139] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 161.023282] r9:c652c000 r8:c03002e4 r7:00000004 r6:b6f77e00 r5:00000020 r4:00000020 [ 161.031037] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 161.038611] Exception stack(0xc652dfa8 to 0xc652dff0) [ 161.043672] dfa0: 00000020 00000020 00000001 b6e30000 00000020 00000000 [ 161.051858] dfc0: 00000020 00000020 b6f77e00 00000004 00000001 00000000 00020000 bed69a54 [ 161.060041] dfe0: 00000004 bed69788 b6ee24cf b6e687e6 [ 161.065169] irq event stamp: 0 [ 161.068243] hardirqs last enabled at (0): [<00000000>] 0x0 [ 161.073856] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 161.081394] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 161.088954] softirqs last disabled at (0): [<00000000>] 0x0 [ 161.094568] ---[ end trace 84a08c8d8b70bea4 ]--- [ 161.099197] lkdtm: Saturation detected: still saturated # [ 160.781481] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 160.788445] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 160.795206] ------------[ cut here ]------------ # [ 160.799858] WARNING: CPU: 1 PID: 3255 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 160.808544] refcount_t: underflow; use-after-free. # [ 160.813395] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display imx_ldb etnaviv imxdrm gpu_sched imx_ipu_v3 # [ 160.842549] CPU: 1 PID: 3255 Comm: cat Tainted: G D W 5.10.161-cip22 #1 # [ 160.850299] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 160.856831] Backtrace: # [ 160.859302] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 160.866881] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f5f4 # [ 160.872552] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 160.879874] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 160.886845] r9:00000009 r8:c086e9e4 r7:0000001c r6:00000009 r5:c086e9e4 r4:c1a20c50 # [ 160.894600] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 160.902091] r7:0000001c r6:c1a20c50 r5:c1a20c8c r4:c652c000 # [ 160.907765] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 160.916818] r9:c1accd78 r8:c15e8784 r7:c652df60 r6:00000020 r5:c5c8c000 r4:c652c000 # [ 160.924574] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 160.935026] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x50/0x88) # [ 160.946780] [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 160.956784] r4:0000003b # [ 160.959329] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 160.967346] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 160.975272] r9:c652df60 r8:c5393b40 r7:00000020 r6:b6e30000 r5:c5a84c80 r4:c0c2f9e8 # [ 160.983029] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 160.990865] r9:c07f63e4 r8:c652df60 r7:c2816000 r6:b6e30000 r5:c5a84c80 r4:00000000 # [ 160.998619] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 161.005762] r10:00000004 r9:00000000 r8:00000000 r7:b6e30000 r6:c652c000 r5:c5a84c80 # [ 161.013595] r4:c5a84c80 # [ 161.016139] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 161.023282] r9:c652c000 r8:c03002e4 r7:00000004 r6:b6f77e00 r5:00000020 r4:00000020 # [ 161.031037] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 161.038611] Exception stack(0xc652dfa8 to 0xc652dff0) # [ 161.043672] dfa0: 00000020 00000020 00000001 b6e30000 00000020 00000000 # [ 161.051858] dfc0: 00000020 00000020 b6f77e00 00000004 00000001 00000000 00020000 bed69a54 # [ 161.060041] dfe0: 00000004 bed69788 b6ee24cf b6e687e6 # [ 161.065169] irq event stamp: 0 # [ 161.068243] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 161.073856] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 161.081394] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 161.088954] softirqs last disabled at (0): [<00000000>] 0x0 # [ 161.094568] ---[ end trace 84a08c8d8b70bea4 ]--- # [ 161.099197] 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 [ 161.921461] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO [ 161.927587] lkdtm: attempting good copy_to_user of correct size [ 161.933630] lkdtm: attempting bad copy_to_user of too large size # [ 161.921461] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 161.927587] lkdtm: attempting good copy_to_user of correct size # [ 161.933630] 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 [ 162.375231] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM [ 162.381492] lkdtm: attempting good copy_from_user of correct size [ 162.387907] lkdtm: attempting bad copy_from_user of too large size # [ 162.375231] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 162.381492] lkdtm: attempting good copy_from_user of correct size # [ 162.387907] 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 [ 162.822422] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO [ 162.828944] lkdtm: attempting good copy_to_user inside whitelist [ 162.835099] lkdtm: attempting bad copy_to_user outside whitelist # [ 162.822422] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 162.828944] lkdtm: attempting good copy_to_user inside whitelist # [ 162.835099] 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 [ 163.263492] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM [ 163.270205] lkdtm: attempting good copy_from_user inside whitelist [ 163.276592] lkdtm: attempting bad copy_from_user outside whitelist # [ 163.263492] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 163.270205] lkdtm: attempting good copy_from_user inside whitelist # [ 163.276592] 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 [ 163.709196] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO [ 163.715455] lkdtm: good_stack: c66e3e0c-c66e3e2c [ 163.720089] lkdtm: bad_stack : c66e3d84-c66e3da4 [ 163.724793] lkdtm: attempting good copy_to_user of local stack [ 163.730683] lkdtm: attempting bad copy_to_user of distant stack # [ 163.709196] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 163.715455] lkdtm: good_stack: c66e3e0c-c66e3e2c # [ 163.720089] lkdtm: bad_stack : c66e3d84-c66e3da4 # [ 163.724793] lkdtm: attempting good copy_to_user of local stack # [ 163.730683] 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 [ 164.171322] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM [ 164.177845] lkdtm: good_stack: c581de0c-c581de2c [ 164.182549] lkdtm: bad_stack : c581dd84-c581dda4 [ 164.187199] lkdtm: attempting good copy_from_user of local stack [ 164.193409] lkdtm: attempting bad copy_from_user of distant stack # [ 164.171322] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 164.177845] lkdtm: good_stack: c581de0c-c581de2c # [ 164.182549] lkdtm: bad_stack : c581dd84-c581dda4 # [ 164.187199] lkdtm: attempting good copy_from_user of local stack # [ 164.193409] 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 [ 164.631200] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND [ 164.637415] lkdtm: good_stack: c64f1e0c-c64f1e2c [ 164.642173] lkdtm: bad_stack : c64f1ffc-c64f201c [ 164.646823] lkdtm: attempting good copy_to_user of local stack [ 164.652861] lkdtm: attempting bad copy_to_user of distant stack # [ 164.631200] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 164.637415] lkdtm: good_stack: c64f1e0c-c64f1e2c # [ 164.642173] lkdtm: bad_stack : c64f1ffc-c64f201c # [ 164.646823] lkdtm: attempting good copy_to_user of local stack # [ 164.652861] 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 [ 165.090287] lkdtm: Performing direct entry USERCOPY_KERNEL [ 165.096006] lkdtm: attempting good copy_to_user from kernel rodata: c15e8a30 [ 165.103180] lkdtm: attempting bad copy_to_user from kernel text: c053a61c [ 165.109986] lkdtm: FAIL: survived bad copy_to_user() # [ 165.090287] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 165.096006] lkdtm: attempting good copy_to_user from kernel rodata: c15e8a30 # [ 165.103180] lkdtm: attempting bad copy_to_user from kernel text: c053a61c # [ 165.109986] 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 [ 165.554928] lkdtm: Performing direct entry STACKLEAK_ERASING [ 165.560643] lkdtm: checking unused part of the thread stack (7732 bytes)... [ 165.567829] lkdtm: FAIL: the erased part is not found (checked 7732 bytes) [ 165.574774] lkdtm: FAIL: the thread stack is NOT properly erased [ 165.580815] CPU: 3 PID: 3620 Comm: cat Tainted: G D W 5.10.161-cip22 #1 [ 165.588565] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 165.595098] Backtrace: [ 165.597573] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 165.605154] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f5f4 [ 165.610823] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 165.618147] [] (dump_stack) from [] (lkdtm_STACKLEAK_ERASING+0x148/0x174) [ 165.626681] r9:c1acce80 r8:c15e8784 r7:c66ebf60 r6:c66ebe34 r5:c66ea000 r4:0000078d [ 165.634442] [] (lkdtm_STACKLEAK_ERASING) from [] (lkdtm_do_action+0x2c/0x4c) [ 165.643235] r8:c15e8784 r7:c66ebf60 r6:00000012 r5:c64a3000 r4:00000046 [ 165.649948] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 165.657967] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 165.665892] r9:c66ebf60 r8:c5393b40 r7:00000012 r6:b6e6e000 r5:c5ec5900 r4:c0c2f9e8 [ 165.673650] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 165.681489] r9:c07f63e4 r8:c66ebf60 r7:c2816000 r6:b6e6e000 r5:c5ec5900 r4:00000000 [ 165.689240] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 165.696384] r10:00000004 r9:00000000 r8:00000000 r7:b6e6e000 r6:c66ea000 r5:c5ec5900 [ 165.704217] r4:c5ec5900 [ 165.706761] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 165.713903] r9:c66ea000 r8:c03002e4 r7:00000004 r6:b6fb5e00 r5:00000012 r4:00000012 [ 165.721657] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 165.729235] Exception stack(0xc66ebfa8 to 0xc66ebff0) [ 165.734296] bfa0: 00000012 00000012 00000001 b6e6e000 00000012 00000000 [ 165.742483] bfc0: 00000012 00000012 b6fb5e00 00000004 00000001 00000000 00020000 be910a54 [ 165.750666] bfe0: 00000004 be910788 b6f204cf b6ea67e6 # [ 165.554928] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 165.560643] lkdtm: checking unused part of the thread stack (7732 bytes)... # [ 165.567829] lkdtm: FAIL: the erased part is not found (checked 7732 bytes) # [ 165.574774] lkdtm: FAIL: the thread stack is NOT properly erased # [ 165.580815] CPU: 3 PID: 3620 Comm: cat Tainted: G D W 5.10.161-cip22 #1 # [ 165.588565] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 165.595098] Backtrace: # [ 165.597573] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 165.605154] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f5f4 # [ 165.610823] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 165.618147] [] (dump_stack) from [] (lkdtm_STACKLEAK_ERASING+0x148/0x174) # [ 165.626681] r9:c1acce80 r8:c15e8784 r7:c66ebf60 r6:c66ebe34 r5:c66ea000 r4:0000078d # [ 165.634442] [] (lkdtm_STACKLEAK_ERASING) from [] (lkdtm_do_action+0x2c/0x4c) # [ 165.643235] r8:c15e8784 r7:c66ebf60 r6:00000012 r5:c64a3000 r4:00000046 # [ 165.649948] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 165.657967] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 165.665892] r9:c66ebf60 r8:c5393b40 r7:00000012 r6:b6e6e000 r5:c5ec5900 r4:c0c2f9e8 # [ 165.673650] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 165.681489] r9:c07f63e4 r8:c66ebf60 r7:c2816000 r6:b6e6e000 r5:c5ec5900 r4:00000000 # [ 165.689240] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 165.696384] r10:00000004 r9:00000000 r8:00000000 r7:b6e6e000 r6:c66ea000 r5:c5ec5900 # [ 165.704217] r4:c5ec5900 # [ 165.706761] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 165.713903] r9:c66ea000 r8:c03002e4 r7:00000004 r6:b6fb5e00 r5:00000012 r4:00000012 # [ 165.721657] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 165.729235] Exception stack(0xc66ebfa8 to 0xc66ebff0) # [ 165.734296] bfa0: 00000012 00000012 00000001 b6e6e000 00000012 00000000 # [ 165.742483] bfc0: 00000012 00000012 b6fb5e00 00000004 00000001 00000000 00020000 be910a54 # [ 165.750666] bfe0: 00000004 be910788 b6f204cf b6ea67e6 # 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 [ 166.378804] lkdtm: Performing direct entry CFI_FORWARD_PROTO [ 166.384582] lkdtm: Calling matched prototype ... [ 166.389214] lkdtm: Calling mismatched prototype ... [ 166.394179] lkdtm: Fail: survived mismatched prototype function call! # [ 166.378804] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 166.384582] lkdtm: Calling matched prototype ... # [ 166.389214] lkdtm: Calling mismatched prototype ... # [ 166.394179] 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 / #