[Enter `^Ec?' for help]  U-Boot 2021.10+dfsg-1+apertis10bv2023dev2b2 (Apr 18 2022 - 16:34:49 +0000) CPU: Freescale i.MX6Q rev1.2 at 792 MHz Reset cause: POR Model: Freescale i.MX6 Quad SABRE Lite Board Board: SABRE Lite I2C: ready DRAM: 1 GiB MMC: FSL_SDHC: 0, FSL_SDHC: 1 Loading Environment from SPIFlash... SF: Detected gd25q16 with page size 256 Bytes, erase size 4 KiB, total 2 MiB *** Warning - bad CRC, using default environment In: serial Out: serial Err: serial Net: using phy at 7 FEC [PRIME], usb_ether Error: usb_ether address not set. starting USB... Bus usb@2184000: usb dr_mode not found Bus usb@2184200: USB EHCI 1.00 scanning bus usb@2184000 for devices... 1 USB Device(s) found scanning bus usb@2184200 for devices... 2 USB Device(s) found scanning usb for storage devices... 0 Storage Device(s) found scanning usb for ethernet devices... 0 Ethernet Device(s) found Hit any key to stop autoboot: 3  0 => setenv autoload no setenv autoload no => setenv initrd_high 0xffffffff setenv initrd_high 0xffffffff => setenv fdt_high 0xffffffff setenv fdt_high 0xffffffff => dhcp dhcp BOOTP broadcast 1 DHCP client bound to address 192.168.201.36 (5 ms) => setenv serverip 192.168.201.1 setenv serverip 192.168.201.1 => tftp 0x10000000 10062466/tftp-deploy-xhvcx5pq/kernel/zImage tftp 0x10000000 10062466/tftp-deploy-xhvcx5pq/kernel/zImage Using FEC device TFTP from server 192.168.201.1; our IP address is 192.168.201.36 Filename '10062466/tftp-deploy-xhvcx5pq/kernel/zImage'. Load address: 0x10000000 Loading: *################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ######### 7 MiB/s done Bytes transferred = 12526080 (bf2200 hex) => tftp 0x14000000 10062466/tftp-deploy-xhvcx5pq/ramdisk/ramdisk.cpio.gz.uboot tftp 0x14000000 10062466/tftp-deploy-xhvcx5pq/ramdisk/ramdisk.cpio.gz.uboot Using FEC device TFTP from server 192.168.201.1; our IP address is 192.168.201.36 Filename '10062466/tftp-deploy-xhvcx5pq/ramdisk/ramdisk.cpio.gz.uboot'. Load address: 0x14000000 Loading: *################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# # 7.1 MiB/s done Bytes transferred = 15279073 (e923e1 hex) => setenv initrd_size ${filesize} setenv initrd_size ${filesize} => tftp 0x13f00000 10062466/tftp-deploy-xhvcx5pq/dtb/imx6q-sabrelite.dtb tftp 0x13f00000 10062466/tftp-deploy-xhvcx5pq/dtb/imx6q-sabrelite.dtb Using FEC device TFTP from server 192.168.201.1; our IP address is 192.168.201.36 Filename '10062466/tftp-deploy-xhvcx5pq/dtb/imx6q-sabrelite.dtb'. Load address: 0x13f00000 Loading: *### 3.1 MiB/s done Bytes transferred = 42449 (a5d1 hex) => setenv bootargs 'console=ttymxc1,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/10062466/extract-nfsrootfs-akjho1ux,tcp,hard console_msg_format=syslog earlycon ip=dhcp' setenv bootargs 'console=ttymxc1,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/10062466/extract-nfsrootfs-akjho1ux,tcp,hard console_msg_format=syslog earlycon ip=dhcp' => bootz 0x10000000 0x14000000 0x13f00000 bootz 0x10000000 0x14000000 0x13f00000 Kernel image @ 0x10000000 [ 0x000000 - 0xbf2200 ] ## Loading init Ramdisk from Legacy Image at 14000000 ... Image Name: Image Type: ARM Linux RAMDisk Image (uncompressed) Data Size: 15279009 Bytes = 14.6 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 5.10.178-cip31 (KernelCI@build-j1380522-arm-gcc-10-multi-v7-defconfig-kselftest-rjzlm) (arm-linux-gnueabihf-gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Thu Apr 20 13:50:40 UTC 2023 [ 0.000000] CPU: ARMv7 Processor [412fc09a] revision 10 (ARMv7), cr=10c5387d [ 0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache [ 0.000000] OF: fdt: Machine model: Freescale i.MX6 Quad SABRE Lite Board [ 0.000000] earlycon: ec_imx21 at MMIO 0x021e8000 (options '') [ 0.000000] printk: bootconsole [ec_imx21] enabled [ 0.000000] Memory policy: Data cache writealloc [ 0.000000] efi: UEFI not found. [ 0.000000] OF: fdt: Reserved memory: unsupported node format, ignoring [ 0.000000] cma: Reserved 64 MiB at 0x4c000000 [ 0.000000] Zone ranges: [ 0.000000] DMA [mem 0x0000000010000000-0x000000003fffffff] [ 0.000000] Normal empty [ 0.000000] HighMem [mem 0x0000000040000000-0x000000004fffffff] [ 0.000000] Movable zone start for each node [ 0.000000] Early memory node ranges [ 0.000000] node 0: [mem 0x0000000010000000-0x000000004fffffff] [ 0.000000] Initmem setup node 0 [mem 0x0000000010000000-0x000000004fffffff] [ 0.000000] percpu: Embedded 21 pages/cpu s55468 r8192 d22356 u86016 [ 0.000000] Built 1 zonelists, mobility grouping on. Total pages: 260608 [ 0.000000] Kernel command line: console=ttymxc1,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/10062466/extract-nfsrootfs-akjho1ux,tcp,hard console_msg_format=syslog earlycon ip=dhcp <6>[ 0.000000] Dentry cache hash table entries: 131072 (order: 7, 524288 bytes, linear) <6>[ 0.000000] Inode-cache hash table entries: 65536 (order: 6, 262144 bytes, linear) <6>[ 0.000000] mem auto-init: stack:off, heap alloc:off, heap free:off <6>[ 0.000000] Memory: 921592K/1048576K available (17408K kernel code, 2659K rwdata, 8120K rodata, 2048K init, 6691K bss, 61448K reserved, 65536K cma-reserved, 196608K highmem) <6>[ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 <6>[ 0.000000] ftrace: allocating 56059 entries in 165 pages <6>[ 0.000000] ftrace: allocated 165 pages with 4 groups <6>[ 0.000000] Running RCU self tests <6>[ 0.000000] rcu: Hierarchical RCU implementation. <6>[ 0.000000] rcu: RCU event tracing is enabled. <6>[ 0.000000] rcu: RCU lockdep checking is enabled. <6>[ 0.000000] rcu: RCU restricting CPUs from NR_CPUS=16 to nr_cpu_ids=4. <6>[ 0.000000] Rude variant of Tasks RCU enabled. <6>[ 0.000000] Tracing variant of Tasks RCU enabled. <6>[ 0.000000] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. <6>[ 0.000000] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4 <6>[ 0.000000] NR_IRQS: 16, nr_irqs: 16, preallocated irqs: 16 <6>[ 0.000000] L2C-310 errata 752271 769419 enabled <6>[ 0.000000] L2C-310 enabling early BRESP for Cortex-A9 <6>[ 0.000000] L2C-310 full line of zeros enabled for Cortex-A9 <6>[ 0.000000] L2C-310 ID prefetch enabled, offset 16 lines <6>[ 0.000000] L2C-310 dynamic clock gating enabled, standby mode enabled <6>[ 0.000000] L2C-310 cache controller enabled, 16 ways, 1024 kB <6>[ 0.000000] L2C-310: CACHE_ID 0x410000c7, AUX_CTRL 0x76470001 <6>[ 0.000000] Switching to timer-based delay loop, resolution 333ns <6>[ 0.000008] sched_clock: 32 bits at 3000kHz, resolution 333ns, wraps every 715827882841ns <6>[ 0.008445] clocksource: mxc_timer1: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 637086815595 ns <6>[ 0.022893] Console: colour dummy device 80x30 <4>[ 0.024797] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar <4>[ 0.032810] ... MAX_LOCKDEP_SUBCLASSES: 8 <4>[ 0.037154] ... MAX_LOCK_DEPTH: 48 <4>[ 0.041563] ... MAX_LOCKDEP_KEYS: 8192 <4>[ 0.046199] ... CLASSHASH_SIZE: 4096 <4>[ 0.050786] ... MAX_LOCKDEP_ENTRIES: 32768 <4>[ 0.055508] ... MAX_LOCKDEP_CHAINS: 65536 <4>[ 0.060181] ... CHAINHASH_SIZE: 32768 <4>[ 0.064879] memory used by lock dependency info: 4061 kB <4>[ 0.070559] memory used for stack traces: 2112 kB <4>[ 0.075604] per task-struct memory footprint: 1536 bytes <6>[ 0.081291] Calibrating delay loop (skipped), value calculated using timer frequency.. 6.00 BogoMIPS (lpj=30000) <6>[ 0.091709] pid_max: default: 32768 minimum: 301 <6>[ 0.096919] LSM: Security Framework initializing <6>[ 0.101500] LSM support for eBPF active <6>[ 0.105655] Mount-cache hash table entries: 2048 (order: 1, 8192 bytes, linear) <6>[ 0.113098] Mountpoint-cache hash table entries: 2048 (order: 1, 8192 bytes, linear) <6>[ 0.123641] CPU: Testing write buffer coherency: ok <6>[ 0.126260] CPU0: Spectre v2: using BPIALL workaround <6>[ 0.132409] CPU0: thread -1, cpu 0, socket 0, mpidr 80000000 <6>[ 0.141021] Setting up static identity map for 0x10300000 - 0x103000ac <6>[ 0.147425] rcu: Hierarchical SRCU implementation. <6>[ 0.158895] EFI services will not be available. <6>[ 0.161988] smp: Bringing up secondary CPUs ... <6>[ 0.168589] CPU1: thread -1, cpu 1, socket 0, mpidr 80000001 <6>[ 0.168606] CPU1: Spectre v2: using BPIALL workaround <6>[ 0.180485] CPU2: thread -1, cpu 2, socket 0, mpidr 80000002 <6>[ 0.180499] CPU2: Spectre v2: using BPIALL workaround <6>[ 0.192035] CPU3: thread -1, cpu 3, socket 0, mpidr 80000003 <6>[ 0.192050] CPU3: Spectre v2: using BPIALL workaround <6>[ 0.201090] smp: Brought up 1 node, 4 CPUs <6>[ 0.204797] SMP: Total of 4 processors activated (24.00 BogoMIPS). <6>[ 0.211341] CPU: All CPU(s) started in SVC mode. <6>[ 0.218611] devtmpfs: initialized <6>[ 0.268531] VFP support v0.3: implementor 41 architecture 3 part 30 variant 9 rev 4 <6>[ 0.276140] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns <6>[ 0.283816] futex hash table entries: 1024 (order: 4, 65536 bytes, linear) <6>[ 0.295747] pinctrl core: initialized pinctrl subsystem <6>[ 0.304788] DMI not present or invalid. <6>[ 0.308245] NET: Registered protocol family 16 <6>[ 0.320379] DMA: preallocated 256 KiB pool for atomic coherent allocations <6>[ 0.333325] thermal_sys: Registered thermal governor 'step_wise' <6>[ 0.333830] cpuidle: using governor menu <6>[ 0.341903] CPU identified as i.MX6Q, silicon rev 1.2 <6>[ 0.984657] vdd1p1: supplied by regulator-dummy <6>[ 1.013890] vdd3p0: supplied by regulator-dummy <6>[ 1.042573] vdd2p5: supplied by regulator-dummy <6>[ 1.071309] vddarm: supplied by regulator-dummy <6>[ 1.100856] vddpu: supplied by regulator-dummy <6>[ 1.128900] vddsoc: supplied by regulator-dummy <6>[ 2.273053] No ATAGs? <6>[ 2.273891] hw-breakpoint: found 5 (+1 reserved) breakpoint and 1 watchpoint registers. <6>[ 2.281092] hw-breakpoint: maximum watchpoint size is 4 bytes. <6>[ 2.303925] imx6q-pinctrl 20e0000.pinctrl: initialized IMX pinctrl driver <6>[ 2.333343] Serial: AMBA PL011 UART driver <6>[ 2.391463] Kprobes globally optimized <6>[ 2.495923] iommu: Default domain type: Translated <6>[ 2.500412] vgaarb: loaded <5>[ 2.505530] SCSI subsystem initialized <6>[ 2.509029] usbcore: registered new interface driver usbfs <6>[ 2.512713] usbcore: registered new interface driver hub <6>[ 2.518263] usbcore: registered new device driver usb <6>[ 2.530124] i2c i2c-0: IMX I2C adapter registered <6>[ 2.538465] i2c i2c-1: IMX I2C adapter registered <6>[ 2.544579] i2c i2c-2: IMX I2C adapter registered <6>[ 2.550870] pps_core: LinuxPPS API ver. 1 registered <6>[ 2.553270] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <6>[ 2.562771] PTP clock support registered <6>[ 2.581887] clocksource: Switched to clocksource mxc_timer1 <6>[ 4.201950] NET: Registered protocol family 2 <6>[ 4.204436] IP idents hash table entries: 16384 (order: 5, 131072 bytes, linear) <6>[ 4.214466] tcp_listen_portaddr_hash hash table entries: 512 (order: 2, 22528 bytes, linear) <6>[ 4.220482] TCP established hash table entries: 8192 (order: 3, 32768 bytes, linear) <6>[ 4.228596] TCP bind hash table entries: 8192 (order: 6, 327680 bytes, linear) <6>[ 4.237308] TCP: Hash tables configured (established 8192 bind 8192) <6>[ 4.243669] MPTCP token hash table entries: 1024 (order: 3, 49152 bytes, linear) <6>[ 4.250385] UDP hash table entries: 512 (order: 3, 49152 bytes, linear) <6>[ 4.257273] UDP-Lite hash table entries: 512 (order: 3, 49152 bytes, linear) <6>[ 4.265016] NET: Registered protocol family 1 <6>[ 4.271393] RPC: Registered named UNIX socket transport module. <6>[ 4.275207] RPC: Registered udp transport module. <6>[ 4.280026] RPC: Registered tcp transport module. <6>[ 4.285053] RPC: Registered tcp NFSv4.1 backchannel transport module. <6>[ 4.291707] NET: Registered protocol family 44 <6>[ 4.296469] PCI: CLS 0 bytes, default 64 <6>[ 4.302904] Trying to unpack rootfs image as initramfs... <6>[ 6.075418] Freeing initrd memory: 14924K <4>[ 6.077815] hw perfevents: no interrupt-affinity property for /pmu, guessing. <6>[ 6.085973] hw perfevents: enabled with armv7_cortex_a9 PMU driver, 7 counters available <5>[ 6.100767] Initialise system trusted keyrings <6>[ 6.103661] workingset: timestamp_bits=30 max_order=18 bucket_order=0 <6>[ 6.152938] squashfs: version 4.0 (2009/01/31) Phillip Lougher <5>[ 6.159682] NFS: Registering the id_resolver key type <5>[ 6.162368] Key type id_resolver registered <5>[ 6.166618] Key type id_legacy registered <6>[ 6.171381] nfs4filelayout_init: NFSv4 File Layout Driver Registering... <6>[ 6.177951] nfs4flexfilelayout_init: NFSv4 Flexfile Layout Driver Registering... <6>[ 6.185697] ntfs: driver 2.1.32 [Flags: R/O]. <5>[ 6.192007] Key type asymmetric registered <5>[ 6.194525] Asymmetric key parser 'x509' registered <6>[ 6.199898] bounce: pool size: 64 pages <6>[ 6.203845] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 247) <6>[ 6.211388] io scheduler mq-deadline registered <6>[ 6.216160] io scheduler kyber registered <4>[ 6.221181] test_firmware: interface ready <6>[ 6.381503] mxs-dma 110000.dma-apbh: initialized <4>[ 6.440597] imx-sdma 20ec000.sdma: Direct firmware load for imx/sdma/sdma-imx6q.bin failed with error -2 <6>[ 6.447855] imx-sdma 20ec000.sdma: external firmware not found, using ROM firmware <6>[ 6.665296] Serial: 8250/16550 driver, 5 ports, IRQ sharing enabled <6>[ 6.687353] SuperH (H)SCI(F) driver initialized <6>[ 6.692100] 2020000.serial: ttymxc0 at MMIO 0x2020000 (irq = 34, base_baud = 5000000) is a IMX <6>[ 6.702843] 21e8000.serial: ttymxc1 at MMIO 0x21e8000 (irq = 81, base_baud = 5000000) is a IMX <6>[ 6.709289] printk: console [ttymxc1] enabled <6>[ 6.709289] printk: console [ttymxc1] enabled <6>[ 6.718204] printk: bootconsole [ec_imx21] disabled <6>[ 6.718204] printk: bootconsole [ec_imx21] disabled <6>[ 6.734200] msm_serial: driver initialized <6>[ 6.739508] STMicroelectronics ASC driver initialized <6>[ 6.750749] STM32 USART driver initialized <6>[ 6.775461] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 0 <4>[ 6.796780] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 6.805422] panel-simple panel-lcd: Specify missing connector_type <4>[ 6.813329] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 6.862957] brd: module loaded <6>[ 6.917026] loop: module loaded <6>[ 6.923456] lkdtm: No crash points registered, enable through debugfs <6>[ 6.944189] ahci-imx 2200000.sata: fsl,transmit-level-mV not specified, using 00000024 <6>[ 6.952476] ahci-imx 2200000.sata: fsl,transmit-boost-mdB not specified, using 00000480 <6>[ 6.960779] ahci-imx 2200000.sata: fsl,transmit-atten-16ths not specified, using 00002000 <6>[ 6.969303] ahci-imx 2200000.sata: fsl,receive-eq-mdB not specified, using 05000000 <4>[ 6.977569] ahci-imx 2200000.sata: supply ahci not found, using dummy regulator <4>[ 6.985965] ahci-imx 2200000.sata: supply phy not found, using dummy regulator <4>[ 6.993931] ahci-imx 2200000.sata: supply target not found, using dummy regulator <6>[ 7.005574] ahci-imx 2200000.sata: SSS flag set, parallel bus scan disabled <6>[ 7.012947] ahci-imx 2200000.sata: AHCI 0001.0300 32 slots 1 ports 3 Gbps 0x1 impl platform mode <6>[ 7.022086] ahci-imx 2200000.sata: flags: ncq sntf stag pm led clo only pmp pio slum part ccc apst <6>[ 7.036313] scsi host0: ahci-imx <6>[ 7.042006] ata1: SATA max UDMA/133 mmio [mem 0x02200000-0x02203fff] port 0x100 irq 84 <6>[ 7.100980] bgmac_bcma: Broadcom 47xx GBit MAC driver loaded <6>[ 7.114356] pps pps0: new PPS source ptp0 <6>[ 7.158404] fec 2188000.ethernet eth0: registered PHC device 0 <6>[ 7.168877] e1000e: Intel(R) PRO/1000 Network Driver <6>[ 7.174185] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. <6>[ 7.180617] igb: Intel(R) Gigabit Ethernet Network Driver <6>[ 7.186353] igb: Copyright (c) 2007-2014 Intel Corporation. <6>[ 7.212095] pegasus: v0.9.3 (2013/04/25), Pegasus/Pegasus II USB Ethernet driver <6>[ 7.219933] usbcore: registered new interface driver pegasus <6>[ 7.226123] usbcore: registered new interface driver asix <6>[ 7.231995] usbcore: registered new interface driver ax88179_178a <6>[ 7.238509] usbcore: registered new interface driver cdc_ether <6>[ 7.244910] usbcore: registered new interface driver smsc75xx <6>[ 7.251137] usbcore: registered new interface driver smsc95xx <6>[ 7.257352] usbcore: registered new interface driver net1080 <6>[ 7.263473] usbcore: registered new interface driver cdc_subset <6>[ 7.269809] usbcore: registered new interface driver zaurus <6>[ 7.275940] usbcore: registered new interface driver cdc_ncm <6>[ 7.293461] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver <6>[ 7.300350] ehci-pci: EHCI PCI platform driver <6>[ 7.305280] ehci-platform: EHCI generic platform driver <6>[ 7.311710] ehci-orion: EHCI orion driver <6>[ 7.316878] SPEAr-ehci: EHCI SPEAr driver <6>[ 7.321992] ehci-st: EHCI STMicroelectronics driver <6>[ 7.327922] ehci-exynos: EHCI Exynos driver <6>[ 7.333193] ehci-atmel: EHCI Atmel driver <6>[ 7.338229] tegra-ehci: Tegra EHCI driver <6>[ 7.343361] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver <6>[ 7.349914] ohci-pci: OHCI PCI platform driver <6>[ 7.354835] ohci-platform: OHCI generic platform driver <6>[ 7.361201] SPEAr-ohci: OHCI SPEAr driver <6>[ 7.366347] ohci-st: OHCI STMicroelectronics driver <6>[ 7.372355] ohci-atmel: OHCI Atmel driver <6>[ 7.379775] usbcore: registered new interface driver usb-storage <6>[ 7.394284] ata1: SATA link down (SStatus 0 SControl 300) <6>[ 7.400309] ahci-imx 2200000.sata: no device found, disabling link. <6>[ 7.406938] ahci-imx 2200000.sata: pass ahci_imx..hotplug=1 to enable hotplug <6>[ 7.415588] i2c /dev entries driver <6>[ 7.493290] sdhci: Secure Digital Host Controller Interface driver <6>[ 7.499767] sdhci: Copyright(c) Pierre Ossman <6>[ 7.513148] Synopsys Designware Multimedia Card Interface Driver <6>[ 7.526165] sdhci-pltfm: SDHCI platform and OF driver helper <6>[ 7.535768] sdhci-esdhc-imx 219c000.mmc: Got CD GPIO <6>[ 7.535776] sdhci-esdhc-imx 2198000.mmc: Got CD GPIO <6>[ 7.546619] sdhci-esdhc-imx 2198000.mmc: Got WP GPIO <6>[ 7.553606] ledtrig-cpu: registered to indicate activity on CPUs <6>[ 7.563486] usbcore: registered new interface driver usbhid <6>[ 7.569352] usbhid: USB HID core driver <6>[ 7.590097] mmc3: SDHCI controller on 219c000.mmc [219c000.mmc] using ADMA <6>[ 7.596707] netem: version 1.3 <6>[ 7.600851] ipip: IPv4 and MPLS over IPv4 tunneling driver <6>[ 7.609092] IPv4 over IPsec tunneling driver <6>[ 7.614710] mmc2: SDHCI controller on 2198000.mmc [2198000.mmc] using ADMA <6>[ 7.618206] NET: Registered protocol family 10 <6>[ 7.632263] Segment Routing with IPv6 <6>[ 7.641894] NET: Registered protocol family 17 <6>[ 7.648307] 8021q: 802.1Q VLAN Support v1.8 <5>[ 7.653971] Key type dns_resolver registered <6>[ 7.672460] ThumbEE CPU extension supported. <5>[ 7.677053] Registering SWP/SWPB emulation handler <5>[ 7.685990] Loading compiled-in X.509 certificates <4>[ 7.847540] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 7.856142] panel-simple panel-lcd: Specify missing connector_type <6>[ 7.863862] mmc2: new high speed SDHC card at address aaaa <4>[ 7.868790] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 7.872959] mmcblk2: mmc2:aaaa SL16G 14.8 GiB <4>[ 7.905277] imx_usb 2184200.usb: No over current polarity defined <4>[ 7.915980] GPT:Primary header thinks Alt. header is not at the end of the disk. <6>[ 7.918259] ci_hdrc ci_hdrc.1: EHCI Host Controller <4>[ 7.923821] GPT:29296874 != 31116287 <4>[ 7.923840] GPT:Alternate GPT header not at the end of the disk. <6>[ 7.929297] ci_hdrc ci_hdrc.1: new USB bus registered, assigned bus number 1 <4>[ 7.932897] GPT:29296874 != 31116287 <4>[ 7.932909] GPT: Use GNU Parted to correct GPT errors. <6>[ 7.932970] mmcblk2: p1 p2 p3 <6>[ 7.981973] ci_hdrc ci_hdrc.1: USB 2.0 started, EHCI 1.00 <6>[ 7.994302] hub 1-0:1.0: USB hub found <6>[ 7.998818] hub 1-0:1.0: 1 port detected <6>[ 8.016209] imx_thermal 20c8000.anatop:tempmon: Automotive CPU temperature grade - max:125C critical:120C passive:115C <4>[ 8.046041] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 8.054522] panel-simple panel-lcd: Specify missing connector_type <4>[ 8.067016] panel-simple panel-lvds0: supply power not found, using dummy regulator <4>[ 8.094962] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 8.103424] panel-simple panel-lcd: Specify missing connector_type <4>[ 8.115945] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 8.135163] input: gpio-keys as /devices/platform/gpio-keys/input/input0 <4>[ 8.161561] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 8.170441] panel-simple panel-lcd: Specify missing connector_type <4>[ 8.183011] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 8.204334] 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) <6>[ 8.382178] usb 1-1: new high-speed USB device number 2 using ci_hdrc <6>[ 8.590326] hub 1-1:1.0: USB hub found <6>[ 8.596371] hub 1-1:1.0: 3 ports detected <4>[ 8.626382] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 8.635065] panel-simple panel-lcd: Specify missing connector_type <4>[ 8.649221] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 11.363770] fec 2188000.ethernet eth0: Link is Up - 1Gbps/Full - flow control off <6>[ 11.392365] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready <5>[ 11.421952] Sending DHCP requests ., OK <6>[ 11.466653] IP-Config: Got DHCP answer from 192.168.201.1, my address is 192.168.201.36 <6>[ 11.475156] IP-Config: Complete: <6>[ 11.478718] device=eth0, hwaddr=00:19:b8:08:f1:1c, ipaddr=192.168.201.36, mask=255.255.255.0, gw=192.168.201.1 <6>[ 11.489608] host=imx6q-sabrelite-lava-cbg-6, domain=lava-rack, nis-domain=(none) <6>[ 11.497846] bootserver=192.168.201.1, rootserver=192.168.201.1, rootpath= <6>[ 11.497885] nameserver0=192.168.201.1 <6>[ 11.563103] Freeing unused kernel memory: 2048K <6>[ 11.569117] Run /init as init process Loading, please wait... Starting version 247.3-7+deb11u1 <6>[ 15.115445] imx-ipuv3 2400000.ipu: IPUv3H probed <4>[ 15.151268] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 15.163003] panel-simple panel-lcd: Specify missing connector_type <6>[ 15.174567] imx-ipuv3 2800000.ipu: IPUv3H probed <4>[ 15.186474] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 15.261605] CAN device driver interface <4>[ 15.269672] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 15.278421] panel-simple panel-lcd: Specify missing connector_type <4>[ 15.301038] panel-simple panel-lvds0: supply power not found, using dummy regulator <4>[ 15.354145] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 15.374339] panel-simple panel-lcd: Specify missing connector_type <6>[ 15.414605] etnaviv etnaviv: bound 130000.gpu (ops gpu_ops [etnaviv]) <6>[ 15.427445] caam 2100000.crypto: Entropy delay = 3200 <6>[ 15.458553] etnaviv etnaviv: bound 134000.gpu (ops gpu_ops [etnaviv]) <6>[ 15.466487] etnaviv etnaviv: bound 2204000.gpu (ops gpu_ops [etnaviv]) <6>[ 15.473412] etnaviv-gpu 130000.gpu: model: GC2000, revision: 5108 <6>[ 15.493723] caam 2100000.crypto: Instantiated RNG4 SH0 <6>[ 15.554486] caam 2100000.crypto: Instantiated RNG4 SH1 <6>[ 15.559946] caam 2100000.crypto: device ID = 0x0a16010000000000 (Era 4) <6>[ 15.566902] caam 2100000.crypto: job rings = 2, qi = 0 <4>[ 15.589260] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 15.598299] sgtl5000 0-000a: sgtl5000 revision 0x11 <4>[ 15.602305] usb_phy_generic usbphynop1: supply vcc not found, using dummy regulator <6>[ 15.609727] sgtl5000 0-000a: Using internal LDO instead of VDDD: check ER1 erratum <4>[ 15.624764] usb_phy_generic usbphynop1: dummy supplies not allowed for exclusive requests <4>[ 15.633918] usb_phy_generic usbphynop2: supply vcc not found, using dummy regulator <4>[ 15.638953] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 15.642625] usb_phy_generic usbphynop2: dummy supplies not allowed for exclusive requests <4>[ 15.650417] panel-simple panel-lcd: Specify missing connector_type <4>[ 15.672191] panel-simple panel-lvds0: supply power not found, using dummy regulator <4>[ 15.702845] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 15.711323] panel-simple panel-lcd: Specify missing connector_type <4>[ 15.724491] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 15.761582] etnaviv-gpu 134000.gpu: model: GC320, revision: 5007 <6>[ 15.768282] etnaviv-gpu 2204000.gpu: model: GC355, revision: 1215 <6>[ 15.774785] etnaviv-gpu 2204000.gpu: Ignoring GPU with VG and FE2.0 <6>[ 15.795869] [drm] Initialized etnaviv 1.3.0 20151214 for etnaviv on minor 1 <4>[ 15.810012] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 15.818833] panel-simple panel-lcd: Specify missing connector_type <4>[ 15.834035] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 15.834663] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) <6>[ 15.853114] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) <6>[ 15.862204] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) <6>[ 15.871103] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) <4>[ 15.890913] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 15.899588] panel-simple panel-lcd: Specify missing connector_type <4>[ 15.947169] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 16.104674] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) <6>[ 16.113595] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) <6>[ 16.122445] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) <6>[ 16.131109] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) <6>[ 16.586110] caam algorithms registered in /proc/crypto <6>[ 16.607336] caam 2100000.crypto: registering rng-caam <5>[ 16.736342] random: crng init done <4>[ 16.749116] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 16.757939] panel-simple panel-lcd: Specify missing connector_type <4>[ 16.772351] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 16.807948] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) <6>[ 16.816666] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) <6>[ 16.825412] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) <6>[ 16.834081] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) <4>[ 16.848678] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 16.857270] panel-simple panel-lcd: Specify missing connector_type <4>[ 16.871414] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 16.912889] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) <6>[ 16.921537] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) <6>[ 16.930432] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) Begin: Loading essential drivers <6>[ 16.939125] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) ... done. Begin: Running /scripts/init-premount ... done. Begin: Mounting root file system ... Begin: Running /scripts/nfs-top ... done. Begin: Running /scripts/nfs-premount ... Waiting up to 60 secs for any ethernet to become available Device /sys/class/net/eth0 found done. IP-Config: eth0 hardware address 00:19:b8:08:f1:1c mtu 1500 DHCP IP-Config: eth0 complete (dhcp from 192.168.201.1): address: 192.168.201.36 broadcast: 192.168.201.255 netmask: 255.255.255.0 gateway: 192.168.201.1 dns0 : 192.168.201.1 dns1 : 0.0.0.0 host : imx6q-sabrelite-lava-cbg-6 domain : lava-rack rootserver: 192.168.201.1 rootpath: filename : done. Begin: Running /scripts/nfs-bottom ... done. Begin: Running /scripts/init-bottom ... done. <30>[ 18.950517] systemd[1]: System time before build time, advancing clock. <30>[ 19.158985] 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) <30>[ 19.186320] systemd[1]: Detected architecture arm. Welcome to Debian GNU/Linux 11 (bullseye)! <30>[ 19.237884] systemd[1]: Set hostname to . <30>[ 20.623202] systemd[1]: Queued start job for default target Graphical Interface. <30>[ 20.636795] systemd[1]: Created slice system-getty.slice. [ OK ] Created slice system-getty.slice. <30>[ 20.677753] systemd[1]: Created slice system-modprobe.slice. [ OK ] Created slice system-modprobe.slice. <30>[ 20.726590] systemd[1]: Created slice system-serial\x2dgetty.slice. [ OK ] Created slice system-serial\x2dgetty.slice. <30>[ 20.777192] systemd[1]: Created slice User and Session Slice. [ OK ] Created slice User and Session Slice. <30>[ 20.827020] systemd[1]: Started Dispatch Password Requests to Console Directory Watch. [ OK ] Started Dispatch Password …ts to Console Directory Watch. <30>[ 20.875043] systemd[1]: Started Forward Password Requests to Wall Directory Watch. [ OK ] Started Forward Password R…uests to Wall Directory Watch. <30>[ 20.924617] systemd[1]: Condition check resulted in Arbitrary Executable File Formats File System Automount Point being skipped. <30>[ 20.937574] systemd[1]: Reached target Local Encrypted Volumes. [ OK ] Reached target Local Encrypted Volumes. <30>[ 20.974381] systemd[1]: Reached target Paths. [ OK ] Reached target Paths. <30>[ 21.012402] systemd[1]: Reached target Remote File Systems. [ OK ] Reached target Remote File Systems. <30>[ 21.052882] systemd[1]: Reached target Slices. [ OK ] Reached target Slices. <30>[ 21.093070] systemd[1]: Reached target Swap. [ OK ] Reached target Swap. <30>[ 21.136377] systemd[1]: Listening on initctl Compatibility Named Pipe. [ OK ] Listening on initctl Compatibility Named Pipe. <30>[ 21.232346] systemd[1]: Condition check resulted in Journal Audit Socket being skipped. <30>[ 21.245770] systemd[1]: Listening on Journal Socket (/dev/log). [ OK ] Listening on Journal Socket (/dev/log). <30>[ 21.285425] systemd[1]: Listening on Journal Socket. [ OK ] Listening on Journal Socket. <30>[ 21.328280] systemd[1]: Listening on Network Service Netlink Socket. [ OK ] Listening on Network Service Netlink Socket. <30>[ 21.382537] systemd[1]: Listening on udev Control Socket. [ OK ] Listening on udev Control Socket. <30>[ 21.427129] systemd[1]: Listening on udev Kernel Socket. [ OK ] Listening on udev Kernel Socket. <30>[ 21.475747] systemd[1]: Condition check resulted in Huge Pages File System being skipped. <30>[ 21.486269] systemd[1]: Condition check resulted in POSIX Message Queue File System being skipped. <30>[ 21.504756] systemd[1]: Mounting Kernel Debug File System... Mounting Kernel Debug File System... <30>[ 21.552819] systemd[1]: Mounting Kernel Trace File System... Mounting Kernel Trace File System... <30>[ 21.608113] systemd[1]: Starting Create list of static device nodes for the current kernel... Starting Create list of st…odes for the current kernel... <30>[ 21.674093] systemd[1]: Starting Load Kernel Module configfs... Starting Load Kernel Module configfs... <30>[ 21.721504] systemd[1]: Starting Load Kernel Module drm... Starting Load Kernel Module drm... <30>[ 21.781277] systemd[1]: Starting Load Kernel Module fuse... Starting Load Kernel Module fuse... <30>[ 21.847304] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped. <6>[ 21.854480] fuse: init (API version 7.32) <30>[ 21.878217] systemd[1]: Starting Journal Service... Starting Journal Service... <30>[ 21.931426] systemd[1]: Starting Load Kernel Modules... Starting Load Kernel Modules... <30>[ 21.984122] systemd[1]: Starting Remount Root and Kernel File Systems... Starting Remount Root and Kernel File Systems... <30>[ 22.041422] systemd[1]: Starting Coldplug All udev Devices... Starting Coldplug All udev Devices... <30>[ 22.101585] systemd[1]: Mounted Kernel Debug File System. [ OK ] Mounted Kernel Debug File System. <30>[ 22.153865] systemd[1]: Mounted Kernel Trace File System. [ OK ] Mounted Kernel Trace File System. <30>[ 22.200035] systemd[1]: Finished Create list of static device nodes for the current kernel. [ OK ] Finished Create list of st… nodes for the current kernel. <30>[ 22.281519] systemd[1]: modprobe@configfs.service: Succeeded. <30>[ 22.292915] systemd[1]: Finished Load Kernel Module configfs. [ OK ] Finished Load Kernel Module configfs. <30>[ 22.347930] systemd[1]: modprobe@drm.service: Succeeded. <30>[ 22.357948] systemd[1]: Finished Load Kernel Module drm. [ OK ] Finished Load Kernel Module drm. <30>[ 22.397251] systemd[1]: modprobe@fuse.service: Succeeded. <30>[ 22.408243] systemd[1]: Finished Load Kernel Module fuse. [ OK ] Finished Load Kernel Module fuse. <30>[ 22.447379] systemd[1]: Finished Load Kernel Modules. [ OK ] Finished Load Kernel Modules. <30>[ 22.486936] systemd[1]: Finished Remount Root and Kernel File Systems. [ OK ] Finished Remount Root and Kernel File Systems. <30>[ 22.532759] systemd[1]: Mounting FUSE Control File System... Mounting FUSE Control File System... <30>[ 22.590600] systemd[1]: Mounting Kernel Configuration File System... Mounting Kernel Configuration File System... <30>[ 22.649381] systemd[1]: Condition check resulted in Rebuild Hardware Database being skipped. <30>[ 22.659490] systemd[1]: Condition check resulted in Platform Persistent Storage Archival being skipped. <30>[ 22.677699] systemd[1]: Starting Load/Save Random Seed... Starting Load/Save Random Seed... <30>[ 22.723064] systemd[1]: Starting Apply Kernel Variables... Starting Apply Kernel Variables... <30>[ 22.784111] systemd[1]: Starting Create System Users... Starting Create System Users... <30>[ 22.848714] systemd[1]: Started Journal Service. [ OK ] Started Journal Service. [ OK ] Mounted FUSE Control File System. [ OK ] Mounted Kernel Configuration File System. [ OK ] Finished Load/Save Random Seed. [ OK ] Finished Apply Kernel Variables. [ OK ] Finished Create System Users. Starting Flush Journal to Persistent Storage... Starting Create Static Device Nodes in /dev... <46>[ 23.257706] systemd-journald[277]: Received client request to flush runtime journal. [ OK ] Finished Create Static Device Nodes in /dev. [ OK ] Reached target Local File Systems (Pre). [ OK ] Reached target Local File Systems. Starting Rule-based Manage…for Device Events and Files... [ OK ] Finished Flush Journal to Persistent Storage. Starting Create Volatile Files and Directories... [ OK ] Started Rule-based Manager for Device Events and Files. Starting Network Service... [ OK ] 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 ] Started Network Name Resolution. [ OK ] Reached target Network. [ OK ] Reached target Host and Network Name Lookups. [ OK ] Finished Coldplug All udev Devices. [ OK ] Reached target System Initialization. [ OK ] Started Daily apt download activities. [ OK ] Started Daily apt upgrade and clean activities. [ OK ] Started Periodic ext4 Onli…ata Check for All Filesystems. [ OK ] Started Discard unused blocks once a week. [ OK ] Started Daily Cleanup of Temporary Directories. [ OK ] Reached target Timers. [ OK ] Listening on D-Bus System Message Bus Socket. [ OK ] Reached target Sockets. [ OK ] Reached target Basic System. [ OK ] Started D-Bus System Message Bus. Starting Remove Stale Onli…t4 Metadata Check Snapshots... Starting User Login Management... Starting Permit User Sessions... [ OK ] Found device /dev/ttymxc1. [ OK ] Finished Permit User Sessions. [ OK ] Finished Remove Stale Onli…ext4 Metadata Check Snapshots. [ OK ] Started User Login Management. [ OK ] Reached target Hardware activated USB gadget. [ OK ] Listening on Load/Save RF …itch Status /dev/rfkill Watch. [ OK ] Started Getty on tty1. [ OK ] Started Serial Getty on ttymxc1. [ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Finished Update UTMP about System Runlevel Changes. Debian GNU/Linux 11 debian-bullseye-armhf ttymxc1 debian-bullseye-armhf login: root (automatic login) Linux debian-bullseye-armhf 5.10.178-cip31 #1 SMP Thu Apr 20 13:50:40 UTC 2023 armv7l The programs included with the Debian GNU/Linux system are free software; the exact distribution terms for each program are described in the individual files in /usr/share/doc/*/copyright. Debian GNU/Linux comes with ABSOLUTELY NO WARRANTY, to the extent permitted by applicable law. / # / # export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/10062466/extract-nfsrootfs-akjho1ux' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/10062466/extract-nfsrootfs-akjho1ux' / # export NFS_SERVER_IP='192.168.201.1' export NFS_SERVER_IP='192.168.201.1' / # # # / # export SHELL=/bin/bash export SHELL=/bin/bash / # . /lava-10062466/environment . /lava-10062466/environment / # /lava-10062466/bin/lava-test-runner /lava-10062466/0 /lava-10062466/bin/lava-test-runner /lava-10062466/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-10062466/0/tests/0_timesync-off ++ cat uuid + UUID=10062466_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-10062466/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=10062466_1.6.2.4.5 + set +x + cd ./automated/linux/kselftest/ + ./kselftest.sh -c lkdtm -T '' -t kselftest_armhf.tar.gz -s True -u http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.177-cip31-122-gfb6ca504156b4/arm/multi_v7_defconfig+kselftest/gcc-10/kselftest.tar.xz -L '' -S /dev/null -b imx6q-sabrelite -g cip-gitlab -e '' -p /opt/kselftests/mainline/ -n 1 -i 1 INFO: install_deps skipped --2023-04-20 14:01:14-- http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.177-cip31-122-gfb6ca504156b4/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: 1409940 (1.3M) [application/octet-stream] Saving to: 'kselftest.tar.xz' kselftest.tar.xz 0%[ ] 0 --.-KB/s kselftest.tar.xz 2%[ ] 36.01K 125KB/s kselftest.tar.xz 8%[> ] 115.20K 200KB/s kselftest.tar.xz 13%[=> ] 183.07K 212KB/s kselftest.tar.xz 17%[==> ] 243.88K 209KB/s kselftest.tar.xz 23%[===> ] 317.41K 220KB/s kselftest.tar.xz 27%[====> ] 373.04K 215KB/s kselftest.tar.xz 31%[=====> ] 436.67K 216KB/s kselftest.tar.xz 35%[======> ] 493.24K 213KB/s kselftest.tar.xz 39%[======> ] 542.73K 208KB/s kselftest.tar.xz 43%[=======> ] 592.22K 210KB/s kselftest.tar.xz 44%[=======> ] 618.60K 199KB/s eta 4s kselftest.tar.xz 48%[========> ] 669.51K 201KB/s eta 4s kselftest.tar.xz 50%[=========> ] 699.69K 198KB/s eta 4s kselftest.tar.xz 52%[=========> ] 720.42K 190KB/s eta 4s kselftest.tar.xz 55%[==========> ] 763.32K 187KB/s eta 4s kselftest.tar.xz 57%[==========> ] 790.19K 183KB/s eta 3s kselftest.tar.xz 58%[==========> ] 805.26K 182KB/s eta 3s 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93%[=================> ] 1.25M 103KB/s eta 1s kselftest.tar.xz 94%[=================> ] 1.27M 100KB/s eta 1s kselftest.tar.xz 95%[==================> ] 1.29M 98.9KB/s eta 1s kselftest.tar.xz 97%[==================> ] 1.31M 98.2KB/s eta 0s kselftest.tar.xz 98%[==================> ] 1.33M 96.4KB/s eta 0s kselftest.tar.xz 100%[===================>] 1.34M 93.9KB/s in 11s 2023-04-20 14:01:25 (131 KB/s) - 'kselftest.tar.xz' saved [1409940/1409940] skiplist: ======================================== ======================================== lkdtm:PANIC.sh lkdtm:BUG.sh lkdtm:WARNING.sh lkdtm:WARNING_MESSAGE.sh lkdtm:EXCEPTION.sh lkdtm:LOOP.sh lkdtm:EXHAUST_STACK.sh lkdtm:CORRUPT_STACK.sh lkdtm:CORRUPT_STACK_STRONG.sh lkdtm:CORRUPT_LIST_ADD.sh lkdtm:CORRUPT_LIST_DEL.sh lkdtm:STACK_GUARD_PAGE_LEADING.sh lkdtm:STACK_GUARD_PAGE_TRAILING.sh lkdtm:UNSET_SMEP.sh lkdtm:DOUBLE_FAULT.sh lkdtm:CORRUPT_PAC.sh lkdtm:UNALIGNED_LOAD_STORE_WRITE.sh lkdtm:OVERWRITE_ALLOCATION.sh lkdtm:WRITE_AFTER_FREE.sh lkdtm:READ_AFTER_FREE.sh lkdtm:WRITE_BUDDY_AFTER_FREE.sh lkdtm:READ_BUDDY_AFTER_FREE.sh lkdtm:SLAB_FREE_DOUBLE.sh lkdtm:SLAB_FREE_CROSS.sh lkdtm:SLAB_FREE_PAGE.sh lkdtm:SOFTLOCKUP.sh lkdtm:HARDLOCKUP.sh lkdtm:SPINLOCKUP.sh lkdtm:HUNG_TASK.sh lkdtm:EXEC_DATA.sh lkdtm:EXEC_STACK.sh lkdtm:EXEC_KMALLOC.sh lkdtm:EXEC_VMALLOC.sh lkdtm:EXEC_RODATA.sh lkdtm:EXEC_USERSPACE.sh lkdtm:EXEC_NULL.sh lkdtm:ACCESS_USERSPACE.sh lkdtm:ACCESS_NULL.sh lkdtm:WRITE_RO.sh lkdtm:WRITE_RO_AFTER_INIT.sh lkdtm:WRITE_KERN.sh lkdtm:REFCOUNT_INC_OVERFLOW.sh lkdtm:REFCOUNT_ADD_OVERFLOW.sh lkdtm:REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_DEC_ZERO.sh lkdtm:REFCOUNT_DEC_NEGATIVE.sh lkdtm:REFCOUNT_DEC_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_SUB_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_INC_ZERO.sh lkdtm:REFCOUNT_ADD_ZERO.sh lkdtm:REFCOUNT_INC_SATURATED.sh lkdtm:REFCOUNT_DEC_SATURATED.sh lkdtm:REFCOUNT_ADD_SATURATED.sh lkdtm:REFCOUNT_INC_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_DEC_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_SUB_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_TIMING.sh lkdtm:ATOMIC_TIMING.sh lkdtm:USERCOPY_HEAP_SIZE_TO.sh lkdtm:USERCOPY_HEAP_SIZE_FROM.sh lkdtm:USERCOPY_HEAP_WHITELIST_TO.sh lkdtm:USERCOPY_HEAP_WHITELIST_FROM.sh lkdtm:USERCOPY_STACK_FRAME_TO.sh lkdtm:USERCOPY_STACK_FRAME_FROM.sh lkdtm:USERCOPY_STACK_BEYOND.sh lkdtm:USERCOPY_KERNEL.sh lkdtm:STACKLEAK_ERASING.sh lkdtm:CFI_FORWARD_PROTO.sh ============== Tests to run =============== lkdtm:PANIC.sh lkdtm:BUG.sh lkdtm:WARNING.sh lkdtm:WARNING_MESSAGE.sh lkdtm:EXCEPTION.sh lkdtm:LOOP.sh lkdtm:EXHAUST_STACK.sh lkdtm:CORRUPT_STACK.sh lkdtm:CORRUPT_STACK_STRONG.sh lkdtm:CORRUPT_LIST_ADD.sh lkdtm:CORRUPT_LIST_DEL.sh lkdtm:STACK_GUARD_PAGE_LEADING.sh lkdtm:STACK_GUARD_PAGE_TRAILING.sh lkdtm:UNSET_SMEP.sh lkdtm:DOUBLE_FAULT.sh lkdtm:CORRUPT_PAC.sh lkdtm:UNALIGNED_LOAD_STORE_WRITE.sh lkdtm:OVERWRITE_ALLOCATION.sh lkdtm:WRITE_AFTER_FREE.sh lkdtm:READ_AFTER_FREE.sh lkdtm:WRITE_BUDDY_AFTER_FREE.sh lkdtm:READ_BUDDY_AFTER_FREE.sh lkdtm:SLAB_FREE_DOUBLE.sh lkdtm:SLAB_FREE_CROSS.sh lkdtm:SLAB_FREE_PAGE.sh lkdtm:SOFTLOCKUP.sh lkdtm:HARDLOCKUP.sh lkdtm:SPINLOCKUP.sh lkdtm:HUNG_TASK.sh lkdtm:EXEC_DATA.sh lkdtm:EXEC_STACK.sh lkdtm:EXEC_KMALLOC.sh lkdtm:EXEC_VMALLOC.sh lkdtm:EXEC_RODATA.sh lkdtm:EXEC_USERSPACE.sh lkdtm:EXEC_NULL.sh lkdtm:ACCESS_USERSPACE.sh lkdtm:ACCESS_NULL.sh lkdtm:WRITE_RO.sh lkdtm:WRITE_RO_AFTER_INIT.sh lkdtm:WRITE_KERN.sh lkdtm:REFCOUNT_INC_OVERFLOW.sh lkdtm:REFCOUNT_ADD_OVERFLOW.sh lkdtm:REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_DEC_ZERO.sh lkdtm:REFCOUNT_DEC_NEGATIVE.sh lkdtm:REFCOUNT_DEC_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_SUB_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_INC_ZERO.sh lkdtm:REFCOUNT_ADD_ZERO.sh lkdtm:REFCOUNT_INC_SATURATED.sh lkdtm:REFCOUNT_DEC_SATURATED.sh lkdtm:REFCOUNT_ADD_SATURATED.sh lkdtm:REFCOUNT_INC_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_DEC_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_SUB_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_TIMING.sh lkdtm:ATOMIC_TIMING.sh lkdtm:USERCOPY_HEAP_SIZE_TO.sh lkdtm:USERCOPY_HEAP_SIZE_FROM.sh lkdtm:USERCOPY_HEAP_WHITELIST_TO.sh lkdtm:USERCOPY_HEAP_WHITELIST_FROM.sh lkdtm:USERCOPY_STACK_FRAME_TO.sh lkdtm:USERCOPY_STACK_FRAME_FROM.sh lkdtm:USERCOPY_STACK_BEYOND.sh lkdtm:USERCOPY_KERNEL.sh lkdtm:STACKLEAK_ERASING.sh lkdtm:CFI_FORWARD_PROTO.sh ===========End Tests to run =============== <12>[ 63.762713] 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 <6>[ 64.716012] lkdtm: Performing direct entry BUG <4>[ 64.720985] ------------[ cut here ]------------ <2>[ 64.725872] kernel BUG at drivers/misc/lkdtm/bugs.c:76! <0>[ 64.731363] Internal error: Oops - BUG: 0 [#1] SMP ARM <4>[ 64.736769] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 64.766061] CPU: 2 PID: 698 Comm: cat Not tainted 5.10.178-cip31 #1 <4>[ 64.772595] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 64.779399] PC is at lkdtm_BUG+0x14/0x18 <4>[ 64.783589] LR is at lkdtm_do_action+0x2c/0x4c <4>[ 64.788299] pc : [] lr : [] psr: a00e0013 <4>[ 64.794831] sp : c68cfe58 ip : c68cfe68 fp : c68cfe64 <4>[ 64.800320] r10: 00000004 r9 : c1ad0bf4 r8 : c15e8ccc <4>[ 64.805810] r7 : c68cff60 r6 : 00000004 r5 : c6d29000 r4 : 00000001 <4>[ 64.812602] r3 : c0c53a68 r2 : 63bbb583 r1 : ef7ab5e0 r0 : c15e8cd4 <4>[ 64.819397] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 64.826797] Control: 10c5387d Table: 15e1004a DAC: 00000051 <0>[ 64.832809] Process cat (pid: 698, stack limit = 0xce642e70) <0>[ 64.838737] Stack: (0xc68cfe58 to 0xc68d0000) <0>[ 64.843362] fe40: c68cfe74 c68cfe68 <0>[ 64.851809] fe60: c0c534fc c0c53a74 c68cfe9c c68cfe78 c0c539fc c0c534dc c0c538dc c5af9540 <0>[ 64.860255] fe80: b6dd9000 00000004 c30249c0 c68cff60 c68cfec4 c68cfea0 c07dfee4 c0c538e8 <0>[ 64.868701] fea0: 00000000 c5af9540 b6dd9000 c2815800 c68cff60 c07dfe80 c68cff5c c68cfec8 <0>[ 64.877146] fec0: c059a8f8 c07dfe8c 00000001 00000000 c059aea4 c13d2310 c059aea4 c68ce000 <0>[ 64.885593] fee0: b6dd9000 00020000 00000004 00000004 0001fffc c68cfee0 00000001 b6dd8000 <0>[ 64.894040] ff00: c5ad9900 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 64.902486] ff20: 00000000 00000000 c13d2310 63bbb583 c205e6a0 c5af9540 c5af9540 c68ce000 <0>[ 64.910931] ff40: b6dd9000 00000000 00000000 00000004 c68cff94 c68cff60 c059aea4 c059a7f8 <0>[ 64.919377] ff60: 00000000 00000000 c68cffac 63bbb583 00000004 00000004 b6f20e00 00000004 <0>[ 64.927823] ff80: c03002e4 c68ce000 c68cffa4 c68cff98 c059af34 c059ae3c 00000000 c68cffa8 <0>[ 64.936268] ffa0: c03000c0 c059af28 00000004 00000004 00000001 b6dd9000 00000004 00000000 <0>[ 64.944715] ffc0: 00000004 00000004 b6f20e00 00000004 00000001 00000000 00020000 bee98ac4 <0>[ 64.953161] ffe0: 00000004 bee987f8 b6e8b4cf b6e117e6 800e0030 00000001 00000000 00000000 <0>[ 64.961601] Backtrace: <0>[ 64.964326] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 64.972167] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 64.980447] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 64.988634] r9:c68cff60 r8:c30249c0 r7:00000004 r6:b6dd9000 r5:c5af9540 r4:c0c538dc <0>[ 64.996652] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 65.004751] r9:c07dfe80 r8:c68cff60 r7:c2815800 r6:b6dd9000 r5:c5af9540 r4:00000000 <0>[ 65.012763] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 65.020168] r10:00000004 r9:00000000 r8:00000000 r7:b6dd9000 r6:c68ce000 r5:c5af9540 <0>[ 65.028262] r4:c5af9540 <0>[ 65.031066] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 65.038469] r9:c68ce000 r8:c03002e4 r7:00000004 r6:b6f20e00 r5:00000004 r4:00000004 <0>[ 65.046484] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 65.054317] Exception stack(0xc68cffa8 to 0xc68cfff0) <0>[ 65.059637] ffa0: 00000004 00000004 00000001 b6dd9000 00000004 00000000 <0>[ 65.068082] ffc0: 00000004 00000004 b6f20e00 00000004 00000001 00000000 00020000 bee98ac4 <0>[ 65.076524] ffe0: 00000004 bee987f8 b6e8b4cf b6e117e6 <0>[ 65.081845] Code: e92dd800 e24cb004 e52de004 e8bd4000 (e7f001f2) <4>[ 65.088207] ---[ end trace 67efd71f71167695 ]--- <3>[ 65.093094] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 65.102231] in_atomic(): 0, irqs_disabled(): 128, non_block: 0, pid: 698, name: cat <4>[ 65.110151] INFO: lockdep is turned off. <4>[ 65.114338] irq event stamp: 1618 <4>[ 65.117928] hardirqs last enabled at (1617): [] console_unlock+0x4b0/0x6c0 <4>[ 65.126026] hardirqs last disabled at (1618): [] __und_svc+0x60/0x6c <4>[ 65.133520] softirqs last enabled at (1094): [] release_sock+0x8c/0xa8 <4>[ 65.141271] softirqs last disabled at (1092): [] release_sock+0x28/0xa8 <4>[ 65.149021] CPU: 2 PID: 698 Comm: cat Tainted: G D 5.10.178-cip31 #1 <4>[ 65.156941] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 65.163732] Backtrace: <4>[ 65.166462] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 65.174299] r7:ffffffff r6:600e0093 r5:00000000 r4:c1f0fe78 <4>[ 65.180231] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 65.187815] [] (dump_stack) from [] (___might_sleep+0x188/0x2e0) <4>[ 65.195828] r9:600e0093 r8:0000000b r7:c035c474 r6:00000031 r5:c19cd108 r4:c68ce000 <4>[ 65.203842] [] (___might_sleep) from [] (__might_sleep+0x70/0xb0) <4>[ 65.211938] r6:00000000 r5:00000031 r4:c19cd108 <4>[ 65.216832] [] (__might_sleep) from [] (exit_signals+0x4c/0x420) <4>[ 65.224840] r6:00000001 r5:c68ce000 r4:c59f4380 <4>[ 65.229734] [] (exit_signals) from [] (do_exit+0x100/0xafc) <4>[ 65.237310] r8:0000000b r7:c1e0fa4c r6:ffffe000 r5:00000000 r4:c59f4380 <4>[ 65.244281] [] (do_exit) from [] (make_task_dead+0x68/0x74) <4>[ 65.251854] r7:c1e0fa4c <4>[ 65.254660] [] (make_task_dead) from [] (die+0x370/0x37c) <4>[ 65.262064] [] (die) from [] (do_undefinstr+0x170/0x240) <4>[ 65.269381] r10:00000004 r9:c68ce000 r8:c15e8ccc r7:00000000 r6:c68cfdc8 r5:c0c53a7c <4>[ 65.277476] r4:e7f001f2 <4>[ 65.280278] [] (do_undefinstr) from [] (__und_svc_finish+0x0/0x54) <4>[ 65.288461] Exception stack(0xc68cfdc8 to 0xc68cfe10) <4>[ 65.293780] fdc0: c15e8cd4 ef7ab5e0 63bbb583 c0c53a68 00000001 c6d29000 <4>[ 65.302226] fde0: 00000004 c68cff60 c15e8ccc c1ad0bf4 00000004 c68cfe64 c68cfe68 c68cfe58 <4>[ 65.310669] fe00: c0c534fc c0c53a7c a00e0013 ffffffff <4>[ 65.315987] r7:c68cfdfc r6:ffffffff r5:a00e0013 r4:c0c53a80 <4>[ 65.321918] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 65.329755] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 65.338030] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 65.346216] r9:c68cff60 r8:c30249c0 r7:00000004 r6:b6dd9000 r5:c5af9540 r4:c0c538dc <4>[ 65.354230] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 65.362328] r9:c07dfe80 r8:c68cff60 r7:c2815800 r6:b6dd9000 r5:c5af9540 r4:00000000 <4>[ 65.370339] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 65.377743] r10:00000004 r9:00000000 r8:00000000 r7:b6dd9000 r6:c68ce000 r5:c5af9540 <4>[ 65.385836] r4:c5af9540 <4>[ 65.388638] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 65.396041] r9:c68ce000 r8:c03002e4 r7:00000004 r6:b6f20e00 r5:00000004 r4:00000004 <4>[ 65.404052] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 65.411885] Exception stack(0xc68cffa8 to 0xc68cfff0) <4>[ 65.417204] ffa0: 00000004 00000004 00000001 b6dd9000 00000004 00000000 <4>[ 65.425649] ffc0: 00000004 00000004 b6f20e00 00000004 00000001 00000000 00020000 bee98ac4 <4>[ 65.434092] ffe0: 00000004 bee987f8 b6e8b4cf b6e117e6 # Segmentation fault # [ 64.716012] lkdtm: Performing direct entry BUG # [ 64.720985] ------------[ cut here ]------------ # [ 64.725872] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 64.731363] Internal error: Oops - BUG: 0 [#1] SMP ARM # [ 64.736769] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 64.766061] CPU: 2 PID: 698 Comm: cat Not tainted 5.10.178-cip31 #1 # [ 64.772595] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 64.779399] PC is at lkdtm_BUG+0x14/0x18 # [ 64.783589] LR is at lkdtm_do_action+0x2c/0x4c # [ 64.788299] pc : [] lr : [] psr: a00e0013 # [ 64.794831] sp : c68cfe58 ip : c68cfe68 fp : c68cfe64 # [ 64.800320] r10: 00000004 r9 : c1ad0bf4 r8 : c15e8ccc # [ 64.805810] r7 : c68cff60 r6 : 00000004 r5 : c6d29000 r4 : 00000001 # [ 64.812602] r3 : c0c53a68 r2 : 63bbb583 r1 : ef7ab5e0 r0 : c15e8cd4 # [ 64.819397] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 64.826797] Control: 10c5387d Table: 15e1004a DAC: 00000051 # [ 64.832809] Process cat (pid: 698, stack limit = 0xce642e70) # [ 64.838737] Stack: (0xc68cfe58 to 0xc68d0000) # [ 64.843362] fe40: c68cfe74 c68cfe68 # [ 64.851809] fe60: c0c534fc c0c53a74 c68cfe9c c68cfe78 c0c539fc c0c534dc c0c538dc c5af9540 # [ 64.860255] fe80: b6dd9000 00000004 c30249c0 c68cff60 c68cfec4 c68cfea0 c07dfee4 c0c538e8 # [ 64.868701] fea0: 00000000 c5af9540 b6dd9000 c2815800 c68cff60 c07dfe80 c68cff5c c68cfec8 # [ 64.877146] fec0: c059a8f8 c07dfe8c 00000001 00000000 c059aea4 c13d2310 c059aea4 c68ce000 # [ 64.885593] fee0: b6dd9000 00020000 00000004 00000004 0001fffc c68cfee0 00000001 b6dd8000 # [ 64.894040] ff00: c5ad9900 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 64.902486] ff20: 00000000 00000000 c13d2310 63bbb583 c205e6a0 c5af9540 c5af9540 c68ce000 # [ 64.910931] ff40: b6dd9000 00000000 00000000 00000004 c68cff94 c68cff60 c059aea4 c059a7f8 # [ 64.919377] ff60: 00000000 00000000 c68cffac 63bbb583 00000004 00000004 b6f20e00 00000004 # [ 64.927823] ff80: c03002e4 c68ce000 c68cffa4 c68cff98 c059af34 c059ae3c 00000000 c68cffa8 # [ 64.936268] ffa0: c03000c0 c059af28 00000004 00000004 00000001 b6dd9000 00000004 00000000 # [ 64.944715] ffc0: 00000004 00000004 b6f20e00 00000004 00000001 00000000 00020000 bee98ac4 # [ 64.953161] ffe0: 00000004 bee987f8 b6e8b4cf b6e117e6 800e0030 00000001 00000000 00000000 # [ 64.961601] Backtrace: # [ 64.964326] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) # [ 64.972167] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 64.980447] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 64.988634] r9:c68cff60 r8:c30249c0 r7:00000004 r6:b6dd9000 r5:c5af9540 r4:c0c538dc # [ 64.996652] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 65.004751] r9:c07dfe80 r8:c68cff60 r7:c2815800 r6:b6dd9000 r5:c5af9540 r4:00000000 # [ 65.012763] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 65.020168] r10:00000004 r9:00000000 r8:00000000 r7:b6dd9000 r6:c68ce000 r5:c5af9540 # [ 65.028262] r4:c5af9540 # [ 65.031066] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 65.038469] r9:c68ce000 r8:c03002e4 r7:00000004 r6:b6f20e00 r5:00000004 r4:00000004 # [ 65.046484] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 65.054317] Exception stack(0xc68cffa8 to 0xc68cfff0) # [ 65.059637] ffa0: 00000004 00000004 00000001 b6dd9000 00000004 00000000 # [ 65.068082] ffc0: 00000004 00000004 b<6>[ 65.845416] lkdtm: Performing direct entry WARNING 6f20e00 00000004 00000001 0000000<4>[ 65.850893] ------------[ cut here ]------------ 0 00020000 bee98ac4 # [ 65.076<4>[ 65.858765] WARNING: CPU: 2 PID: 769 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x48/0x4c 524] ffe0: 00000004 bee987f8 b6e8<4>[ 65.870268] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 b4cf b6e117e6 # [ 65.081845] C<4>[ 65.902236] CPU: 2 PID: 769 Comm: cat Tainted: G D W 5.10.178-cip31 #1 ode: e92dd800 e24cb004 e52de004 e<4>[ 65.912939] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 8bd4000 (e7f001f2) # [ 65.088<4>[ 65.922588] Backtrace: 207] ---[ end trace 67efd71f71167<4>[ 65.928178] [] (dump_backtrace) from [] (show_stack+0x20/0x24) 695 ]--- # [ 65.093094] BUG: s<4>[ 65.938855] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fe78 leeping function called from inva<4>[ 65.947643] [] (show_stack) from [] (dump_stack+0xe0/0x100) lid context at include/linux/perc<4>[ 65.958075] [] (dump_stack) from [] (__warn+0x98/0x14c) pu-rwsem.h:49 # [ 65.102231] i<4>[ 65.968154] r9:00000009 r8:c0c53ac8 r7:00000053 r6:00000009 r5:c0c53ac8 r4:c1ad12b0 n_atomic(): 0, irqs_disabled(): 1<4>[ 65.979021] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) 28, non_block: 0, pid: 698, name:<4>[ 65.989622] r7:00000053 r6:c1ad12b0 r5:00000000 r4:c6af6000 cat # [ 65.110151] INFO: lock<4>[ 65.998409] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING+0x48/0x4c) dep is turned off. # [ 65.1143<4>[ 66.009616] r9:c1ad0bf8 r8:c15e8ccc r7:c6af7f60 r6:00000008 r5:c6d32000 r4:00000002 38] irq event stamp: 1618 # [ <4>[ 66.020483] [] (lkdtm_WARNING) from [] (lkdtm_do_action+0x2c/0x4c) 65.117928] hardirqs last enabled<4>[ 66.031521] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) at (1617): [] console_<4>[ 66.042653] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) unlock+0x4b0/0x6c0 # [ 65.1260<4>[ 66.053685] r9:c6af7f60 r8:c30249c0 r7:00000008 r6:b6e93000 r5:c5ad8280 r4:c0c538dc 26] hardirqs last disabled at (16<4>[ 66.064557] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) 18): [] __und_svc+0x60/<4>[ 66.075501] r9:c07dfe80 r8:c6af7f60 r7:c2815800 r6:b6e93000 r5:c5ad8280 r4:00000000 0x6c # [ 65.133520] softirqs l<4>[ 66.086369] [] (vfs_write) from [] (ksys_write+0x74/0xec) ast enabled at (1094): [[ 66.096624] r10:00000004 r9:00000000 r8:00000000 r7:b6e93000 r6:c6af6000 r5:c5ad8280 8>] release_sock+0x8c/0xa8 # [ <4>[ 66.107572] r4:c5ad8280 65.141271] softirqs last disable<4>[ 66.113236] [] (ksys_write) from [] (sys_write+0x18/0x1c) d at (1092): [] release<4>[ 66.123491] r9:c6af6000 r8:c03002e4 r7:00000004 r6:b6fdae00 r5:00000008 r4:00000008 _sock+0x28/0xa8 # [ 65.149021]<4>[ 66.134360] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) CPU: 2 PID: 698 Comm: cat Tainte<4>[ 66.145044] Exception stack(0xc6af7fa8 to 0xc6af7ff0) d: G D 5.10.178-ci<4>[ 66.153223] 7fa0: 00000008 00000008 00000001 b6e93000 00000008 00000000 p31 #1 # [ 65.156941] Hardware<4>[ 66.164521] 7fc0: 00000008 00000008 b6fdae00 00000004 00000001 00000000 00020000 befacac4 <4>[ 66.175817] 7fe0: 00000004 befac7f8 b6f454cf b6ecb7e6 name: Freescale i.MX6 Quad/DualL<4>[ 66.181181] irq event stamp: 0 ite (Device Tree) # [ 65.16373<4>[ 66.187354] hardirqs last enabled at (0): [<00000000>] 0x0 2] Backtrace: # [ 65.166462] <4>[ 66.196115] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1938 [] (dump_backtrace) fro<4>[ 66.206741] softirqs last enabled at (0): [] copy_process+0x5f8/0x1938 m [] (show_stack+0x20/0<4>[ 66.217363] softirqs last disabled at (0): [<00000000>] 0x0 x24) # [ 65.174299] r7:ffffff<4>[ 66.226070] ---[ end trace 67efd71f71167696 ]--- ff r6:600e0093 r5:00000000 r4:c1f0fe78 # [ 65.180231] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 65.187815] [] (dump_stack) from [] (___might_sleep+0x188/0x2e0) # [ 65.195828] r9:600e0093 r8:0000000b r7:c035c474 r6:00000031 r5:c19cd108 r4:c68ce000 # [ 65.203842] [] (___might_sleep) from [] (__might_sleep+0x70/0xb0) # [ 65.211938] r6:00000000 r5:00000031 r4:c19cd108 # [ 65.216832] [] (__might_sleep) from [] (exit_signals+0x4c/0x420) # [ 65.224840] r6:00000001 r5:c68ce000 r4:c59f4380 # [ 65.229734] [] (exit_signals) from [] (do_exit+0x100/0xafc) # [ 65.237310] r8:0000000b r7:c1e0fa4c r6:ffffe000 r5:00000000 r4:c59f4380 # [ 65.244281] [] (do_exit) from [] (make_task_dead+0x68/0x74) # [ 65.251854] r7:c1e0fa4c # [ 65.254660] [] (make_task_dead) from [] (die+0x370/0x37c) # [ 65.262064] [] (die) from [] (do_undefinstr+0x170/0x240) # [ 65.269381] r10:00000004 r9:c68ce000 r8:c15e8ccc r7:00000000 r6:c68cfdc8 r5:c0c53a7c # [ 65.277476] r4:e7f001f2 # [ 65.280278] [] (do_undefinstr) from [] (__und_svc_finish+0x0/0x54) # [ 65.288461] Exception stack(0xc68cfdc8 to 0xc68cfe10) # [ 65.293780] fdc0: c15e8cd4 ef7ab5e0 63bbb583 c0c53a68 00000001 c6d29000 # [ 65.302226] fde0: 00000004 c68cff60 c15e8ccc c1ad0bf4 00000004 c68cfe64 c68cfe68 c68cfe58 # [ 65.310669] fe00: c0c534fc c0c53a7c a00e0013 ffffffff # [ 65.315987] r7:c68cfdfc r6:ffffffff r5:a00e0013 r4:c0c53a80 # [ 65.321918] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) # [ 65.329755] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 65.338030] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 65.346216] r9:c68cff60 r8:c30249c0 r7:00000004 r6:b6dd9000 r5:c5af9540 r4:c0c538dc # [ 65.354230] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 65.362328] r9:c07dfe80 r8:c68cff60 r7:c2815800 r6:b6dd9000 r5:c5af9540 r4:00000000 # [ 65.370339] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 65.377743] r10:00000004 r9:00000000 r8:00000000 r7:b6dd9000 r6:c68ce000 r5:c5af9540 # [ 65.385836] r4:c5af9540 # [ 65.388638] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 65.396041] r9:c68ce000 r8:c03002e4 r7:00000004 r6:b6f20e00 r5:00000004 r4:00000004 # [ 65.404052] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 65.411885] Exception stack(0xc68cffa8 to 0xc68cfff0) # [ 65.417204] ffa0: 00000004 00000004 00000001 b6dd9000 00000004 00000000 # [ 65.425649] ffc0: 00000004 00000004 b6f20e00 00000004 00000001 00000000 00020000 bee98ac4 # [ 65.434092] ffe0: 00000004 bee987f8 b6e8b4cf b6e117e6 # BUG: saw 'kernel BUG at': ok ok 2 selftests: lkdtm: BUG.sh # selftests: lkdtm: WARNING.sh # [ 65.845416] lkdtm: Performing direct entry WARNING # [ 65.850893] ------------[ cut here ]------------ # [ 65.858765] WARNING: CPU: 2 PID: 769 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x48/0x4c # [ 65.870268] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx dw_hdmi imx_ldb can_dev par<6>[ 66.540891] lkdtm: Performing direct entry WARNING_MESSAGE allel_display imxdrm etnaviv gpu_<4>[ 66.549287] ------------[ cut here ]------------ sched imx_ipu_v3 # [ 65.902236<4>[ 66.557121] WARNING: CPU: 2 PID: 804 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x4c/0x54 ] CPU: 2 PID: 769 Comm: cat Taint<4>[ 66.569346] Warning message trigger count: 2 ed: G D W 5.10.178-c<4>[ 66.576669] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 ip31 #1 # [ 65.912939] Hardwar<4>[ 66.608702] CPU: 2 PID: 804 Comm: cat Tainted: G D W 5.10.178-cip31 #1 e name: Freescale i.MX6 Quad/Dual<4>[ 66.619356] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) Lite (Device Tree) # [ 65.9225<4>[ 66.629007] Backtrace: 88] Backtrace: # [ 65.928178]<4>[ 66.634595] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [] (dump_backtrace) fr<4>[ 66.645274] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fe78 om [] (show_stack+0x20/<4>[ 66.654060] [] (show_stack) from [] (dump_stack+0xe0/0x100) 0x24) # [ 65.938855] r7:fffff<4>[ 66.664493] [] (dump_stack) from [] (__warn+0x98/0x14c) fff r6:600e0013 r5:00000000 r4:c1<4>[ 66.674573] r9:00000009 r8:c0c53b18 r7:00000058 r6:00000009 r5:c0c53b18 r4:c1ad12b0 f0fe78 # [ 65.947643] [[ 66.685440] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) d4>] (show_stack) from [[ 66.696040] r7:00000058 r6:c1ad12b0 r5:c1ad12cc r4:c5f26000 >] (dump_stack+0xe0/0x100) # [ <4>[ 66.704827] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING_MESSAGE+0x4c/0x54) 65.958075] [] (dump_st<4>[ 66.716730] r9:c1ad0c00 r8:c15e8ccc r7:c5f27f60 r6:00000010 r5:c6d32000 r4:00000003 ack) from [] (__warn+0x<4>[ 66.727596] [] (lkdtm_WARNING_MESSAGE) from [] (lkdtm_do_action+0x2c/0x4c) 98/0x14c) # [ 65.968154] r9:0<4>[ 66.739329] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) 0000009 r8:c0c53ac8 r7:00000053 r<4>[ 66.750460] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) 6:00000009 r5:c0c53ac8 r4:c1ad12b<4>[ 66.761493] r9:c5f27f60 r8:c30249c0 r7:00000010 r6:b6de2000 r5:c5ad9540 r4:c0c538dc 0 # [ 65.979021] [] <4>[ 66.772364] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) (__warn) from [] (warn_<4>[ 66.783311] r9:c07dfe80 r8:c5f27f60 r7:c2815800 r6:b6de2000 r5:c5ad9540 r4:00000000 slowpath_fmt+0x8c/0xa8) # [ 65<4>[ 66.794176] [] (vfs_write) from [] (ksys_write+0x74/0xec) .989622] r7:00000053 r6:c1ad12b0<4>[ 66.804434] r10:00000004 r9:00000000 r8:00000000 r7:b6de2000 r6:c5f26000 r5:c5ad9540 r5:00000000 r4:c6af6000 # [ 6<4>[ 66.815380] r4:c5ad9540 5.998409] [] (warn_slow<4>[ 66.821041] [] (ksys_write) from [] (sys_write+0x18/0x1c) path_fmt) from [] (lkdt<4>[ 66.831299] r9:c5f26000 r8:c03002e4 r7:00000004 r6:b6f29e00 r5:00000010 r4:00000010 m_WARNING+0x48/0x4c) # [ 66.00<4>[ 66.842167] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) 9616] r9:c1ad0bf8 r8:c15e8ccc r7<4>[ 66.852852] Exception stack(0xc5f27fa8 to 0xc5f27ff0) :c6af7f60 r6:00000008 r5:c6d32000<4>[ 66.861030] 7fa0: 00000010 00000010 00000001 b6de2000 00000010 00000000 r4:00000002 # [ 66.020483] [<<4>[ 66.872330] 7fc0: 00000010 00000010 b6f29e00 00000004 00000001 00000000 00020000 bec9bac4 c0c53a80>] (lkdtm_WARNING) from [<4>[ 66.883626] 7fe0: 00000004 bec9b7f8 b6e944cf b6e1a7e6 ] (lkdtm_do_action+0x2c<4>[ 66.891877] irq event stamp: 0 /0x4c) # [ 66.031521] [[ 66.897983] hardirqs last enabled at (0): [<00000000>] 0x0 d0>] (lkdtm_do_action) from [[ 66.906734] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1938 539fc>] (direct_entry+0x120/0x18c<4>[ 66.917347] softirqs last enabled at (0): [] copy_process+0x5f8/0x1938 ) # [ 66.042653] [] <4>[ 66.927930] softirqs last disabled at (0): [<00000000>] 0x0 (direct_entry) from [] <4>[ 66.936646] ---[ end trace 67efd71f71167697 ]--- (full_proxy_write+0x64/0x94) # [ 66.053685] r9:c6af7f60 r8:c30249c0 r7:00000008 r6:b6e93000 r5:c5ad8280 r4:c0c538dc # [ 66.064557] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 66.075501] r9:c07dfe80 r8:c6af7f60 r7:c2815800 r6:b6e93000 r5:c5ad8280 r4:00000000 # [ 66.086369] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 66.096624] r10:00000004 r9:00000000 r8:00000000 r7:b6e93000 r6:c6af6000 r5:c5ad8280 # [ 66.107572] r4:c5ad8280 # [ 66.113236] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 66.123491] r9:c6af6000 r8:c03002e4 r7:00000004 r6:b6fdae00 r5:00000008 r4:00000008 # [ 66.134360] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 66.145044] Exception stack(0xc6af7fa8 to 0xc6af7ff0) # [ 66.153223] 7fa0: 00000008 00000008 00000001 b6e93000 00000008 00000000 # [ 66.164521] 7fc0: 00000008 00000008 b6fdae00 00000004 00000001 00000000 00020000 befacac4 # [ 66.175817] 7fe0: 00000004 befac7f8 b6f454cf b6ecb7e6 # [ 66.181181] irq event stamp: 0 # [ 66.187354] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 66.196115] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1938 # [ 66.206741] softirqs last enabled at (0): [] copy_process+0x5f8/0x1938 # [ 66.217363] softirqs last disabled at (0): [<00000000>] 0x0 # [ 66.226070] ---[ end trace 67efd71f71167696 ]--- # WARNING: saw 'WARNING:': ok ok 3 selftests: lkdtm: WARNING.sh # selftests: lkdtm: WARNING_MESSAGE.sh # [ 66.540891] lkdtm: Performing direct entry WARNING_MESSAGE # [ 66.549287] ------------[ cut here ]------------ # [ 66.557121] WARNING: CPU: 2 PID: 804 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x4c/0x54 # [ 66.569346] Warning message trigger count: 2 # [ 66.576669] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 66.608702] CPU: 2 PID: 804 Comm: cat Tainted: G D W 5.10.178-cip31 #1 # [ 66.619356] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 66.629007] Backtrace: # [ 66.634595] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 66.645274] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fe78 # [ 66.654060] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 66.664493] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 66.674573] r9:00000009 r8:c0c53b18 r7:00000058 r6:00000009 r5:c0c53b18 r4:c1ad12b0 # [ 66.685440] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 66.696040] r7:00000058 r6:c1ad12b0 r5:c1ad12cc r4:c5f26000 # [ 66.704827] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING_MESSAGE+0x4c/0x54) # [ 66.716730] r9:c1ad0c00 r8:c15e8ccc r7:c5f27f60 r6:00000010 r5:c6d32000 r4:00000003 # [ 66.727596] [] (lkdtm_WARNING_MESSAGE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 66.739329] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 66.750460] [] (direct_entry) from [] (full_proxy_write+0<6>[ 67.241530] lkdtm: Performing direct entry EXCEPTION x64/0x94) # [ 66.761493] r9:c<1>[ 67.248595] 8<--- cut here --- 5f27f60 r8:c30249c0 r7:00000010 r<1>[ 67.254772] Unable to handle kernel NULL pointer dereference at virtual address 00000000 6:b6de2000 r5:c5ad9540 r4:c0c538d<1>[ 67.266014] pgd = 427f5f83 c # [ 66.772364] [] <1>[ 67.271854] [00000000] *pgd=00000000 (full_proxy_write) from [[ 67.279386] Internal error: Oops: 805 [#2] SMP ARM <4>[ 67.286450] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 67.315741] CPU: 0 PID: 836 Comm: cat Tainted: G D W 5.10.178-cip31 #1 <4>[ 67.323663] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 67.330466] PC is at lkdtm_EXCEPTION+0x18/0x20 <4>[ 67.335178] LR is at lkdtm_do_action+0x2c/0x4c <4>[ 67.339887] pc : [] lr : [] psr: a00e0013 <4>[ 67.346419] sp : c5aefe58 ip : c5aefe68 fp : c5aefe64 <4>[ 67.351908] r10: 0000000a r9 : c1ad0c10 r8 : c15e8ccc <4>[ 67.357398] r7 : c5aeff60 r6 : 0000000a r5 : c6c23000 r4 : 00000004 <4>[ 67.364191] r3 : 00000000 r2 : 0b9c4e49 r1 : ef7815e0 r0 : c15e8cec <4>[ 67.370985] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 67.378385] Control: 10c5387d Table: 1586404a DAC: 00000051 <0>[ 67.384397] Process cat (pid: 836, stack limit = 0x8dbc2d44) <0>[ 67.390324] Stack: (0xc5aefe58 to 0xc5af0000) <0>[ 67.394951] fe40: c5aefe74 c5aefe68 <0>[ 67.403398] fe60: c0c534fc c0c53b2c c5aefe9c c5aefe78 c0c539fc c0c534dc c0c538dc c6b43a40 <0>[ 67.411844] fe80: b6ddf000 0000000a c30249c0 c5aeff60 c5aefec4 c5aefea0 c07dfee4 c0c538e8 <0>[ 67.420291] fea0: 00000000 c6b43a40 b6ddf000 c2815800 c5aeff60 c07dfe80 c5aeff5c c5aefec8 <0>[ 67.428735] fec0: c059a8f8 c07dfe8c 00000001 00000000 c059aea4 c2d5a424 c059aea4 c5aee000 <0>[ 67.437181] fee0: b6ddf000 00020000 00000004 0000000a 0001fff6 c5aefee0 00000001 00000805 <0>[ 67.445626] ff00: c452f680 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 67.454073] ff20: 00000000 00000000 c5aee000 0b9c4e49 b6dde000 c6b43a40 c6b43a40 c5aee000 <0>[ 67.462518] ff40: b6ddf000 00000000 00000000 00000004 c5aeff94 c5aeff60 c059aea4 c059a7f8 <0>[ 67.470965] ff60: 00000000 00000000 c5aeffac 0b9c4e49 0000000a 0000000a b6f26e00 00000004 <0>[ 67.479411] ff80: c03002e4 c5aee000 c5aeffa4 c5aeff98 c059af34 c059ae3c 00000000 c5aeffa8 <0>[ 67.487857] ffa0: c03000c0 c059af28 0000000a 0000000a 00000001 b6ddf000 0000000a 00000000 <0>[ 67.496303] ffc0: 0000000a 0000000a b6f26e00 00000004 00000001 00000000 00020000 beaa0ac4 <0>[ 67.504750] ffe0: 00000004 beaa07f8 b6e914cf b6e177e6 800e0030 00000001 00000000 00000000 <0>[ 67.513190] Backtrace: <0>[ 67.515914] [] (lkdtm_EXCEPTION) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 67.524277] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 67.532557] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 67.540745] r9:c5aeff60 r8:c30249c0 r7:0000000a r6:b6ddf000 r5:c6b43a40 r4:c0c538dc <0>[ 67.548766] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 67.556865] r9:c07dfe80 r8:c5aeff60 r7:c2815800 r6:b6ddf000 r5:c6b43a40 r4:00000000 <0>[ 67.564878] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 67.572281] r10:00000004 r9:00000000 r8:00000000 r7:b6ddf000 r6:c5aee000 r5:c6b43a40 <0>[ 67.580374] r4:c6b43a40 <0>[ 67.583179] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 67.590582] r9:c5aee000 r8:c03002e4 r7:00000004 r6:b6f26e00 r5:0000000a r4:0000000a <0>[ 67.598598] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 67.606434] Exception stack(0xc5aeffa8 to 0xc5aefff0) <0>[ 67.611754] ffa0: 0000000a 0000000a 00000001 b6ddf000 0000000a 00000000 <0>[ 67.620200] ffc0: 0000000a 0000000a b6f26e00 00000004 00000001 00000000 00020000 beaa0ac4 <0>[ 67.628642] ffe0: 00000004 beaa07f8 b6e914cf b6e177e6 <0>[ 67.633963] Code: e24cb004 e52de004 e8bd4000 e3a03000 (e5833000) 8>] (vfs_write+0x10c/0x53c) # [ <4>[ 67.640398] ---[ end trace 67efd71f71167698 ]--- 66.783311] r9:c07dfe80 r8:c5f27f60 r7:c2815800 r6:b6de2000 r5:c5ad9540 r4:00000000 # [ 66.794176] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 66.804434] r10:00000004 r9:00000000 r8:00000000 r7:b6de2000 r6:c5f26000 r5:c5ad9540 # [ 66.815380] r4:c5ad9540 # [ 66.821041] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 66.831299] r9:c5f26000 r8:c03002e4 r7:00000004 r6:b6f29e00 r5:00000010 r4:00000010 # [ 66.842167] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 66.852852] Exception stack(0xc5f27fa8 to 0xc5f27ff0) # [ 66.861030] 7fa0: 00000010 00000010 00000001 b6de2000 00000010 00000000 # [ 66.872330] 7fc0: 00000010 00000010 b6f29e00 00000004 00000001 00000000 00020000 bec9bac4 # [ 66.883626] 7fe0: 00000004 bec9b7f8 b6e944cf b6e1a7e6 # [ 66.891877] irq event stamp: 0 # [ 66.897983] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 66.906734] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1938 # [ 66.917347] softirqs last enabled at (0): [] copy_process+0x5f8/0x1938 # [ 66.927930] softirqs last disabled at (0): [<00000000>] 0x0 # [ 66.936646] ---[ end trace 67efd71f71167697 ]--- # WARNING_MESSAGE: saw 'message trigger': ok ok 4 selftests: lkdtm: WARNING_MESSAGE.sh # selftests: lkdtm: EXCEPTION.sh # Segmentation fault # [ 67.241530] lkdtm: Performing direct entry EXCEPTION # [ 67.248595] 8<--- cut here --- # [ 67.254772] Unable to handle kernel NULL pointer dereference at virtual address 00000000 # [ 67.266014] pgd = 427f5f83 # [ 67.271854] [00000000] *pgd=00000000 # [ 67.279386] Internal error: Oops: 805 [#2] SMP ARM # [ 67.286450] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 67.315741] CPU: 0 PID: 836 Comm: cat Tainted: G D W 5.10.178-cip31 #1 # [ 67.323663] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 67.330466] PC is at lkdtm_EXCEPTION+0x18/0x20 # [ 67.335178] LR is at lkdtm_do_action+0x2c/0x4c # [ 67.339887] pc : [] lr : [] psr: a00e0013 # [ 67.346419] sp : c5aefe58 ip : c5aefe68 fp : c5aefe64 # [ 67.351908] r10: 0000000a r9 : c1ad0c10 r8 : c15e8ccc # [ 67.357398] r7 : c5aeff60 r6 : 0000000a r5 : c6c23000 r4 : 00000004 # [ 67.364191] r3 : 00000000 r2 : 0b9c4e49 r1 : ef7815e0 r0 : c15e8cec # [ 67.370985] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 67.378385] Control: 10c5387d Table: 1586404a DAC: 00000051 # [ 67.384397] Process cat (pid: 836, stack limit = 0x8dbc2d44) # [ 67.390324] Stack: (0xc5aefe58 to 0xc5af0000) # [ 67.394951] fe40: c5aefe74 c5aefe68 # [ 67.403398] fe60: c0c534fc c0c53b2c c5aefe9c c5aefe78 c0c539fc c0c534dc c0c538dc c6b43a40 # [ 67.411844] fe80: b6ddf000 0000000a c30249c0 c5aeff60 c5aefec4 c5aefea0 c07dfee4 c0c538e8 # [ 67.420291] fea0: 00000000 c6b43a40 b6ddf000 c2815800 c5aeff60 c07dfe80 c5aeff5c c5aefec8 # [ 67.428735] fec0: c059a8f8 c07dfe8c 00000001 00000000 c059aea4 c2d5a424 c059aea4 c5aee000 # [ 67.437181] fee0: b6ddf000 00020000 00000004 0000000a 0001fff6 c5aefee0 00000001 00000805 # [ 67.445626] ff00: c452f680 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 67.454073] ff20: 00000000 00000000 c5aee000 0b9c4e49 b6dde000 c6b43a40 c6b43a40 c5aee000 # [ 67.462518] ff40: b6ddf000 00000000 00000000 00000004 c5aeff94 c5aeff60 c059aea4 c059a7f8 # [ 67.470965] ff60: 00000000 00000000 c5aeffac 0b9c4e49 0000000a 0000000a b6f26e00 00000004 # [ 67.479411] ff80: c03002e4 c5aee000 c5aeffa4 c5aeff98 c059af34 c059ae3c 00000000 c5aeffa8 # [ 67.487857] ffa0: c03000c0 c059af28 0000000a 0000000a 00000001 b6ddf000 0000000a 00000000 # [ 67.496303] ffc0: 0000000a 0000000a b6f26e00 00000004 00000001 00000000 00020000 beaa0ac4 # [ 67.504750] ffe0: 00000004 beaa07f8 b6e914cf b6e177e6 800e0030 00000001 00000000 00000000 # [ 67.513190] Backtrace: # [ 67.515914] [] (lkdtm_EXCEPTION) from [] (lkdtm_do_action+0x2c/0x4c) # [ 67.524277] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 67.532557] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 67.540745] r9:c5aeff60 r8:c30249c0 r7:0000000a r6:b6ddf000 r5:c6b43a40 r4:c0c538dc # [ 67.548766] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 67.556865] r9:c07dfe80 r8:c5aeff60 r7:c2815800 r6:b6ddf000 r5:c6b43a40 r4:00000000 # [ 67.564878] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 67.572281] r10:00000004 r9:00000000 r8:00000000 r7:b6ddf000 r6:c5aee000 r5:c6b43a40 # [ 67.580374] r4:c6b43a40 # [ 67.583179] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 67.590582] r9:c5aee000 r8:c03002e4 r7:00000004 r6:b6f26e00 r5:0000000a r4:0000000a # [ 67.598598] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 67.606434] Exception stack(0xc5aeffa8 to 0xc5aefff0) # [ 67.611754] ffa0: 0000000a 0000000a 00000001 b6ddf000 0000000a 00000000 # [ 67.620200] ffc0: 0000000a 0000000a b6f26e00 00000004 00000001 00000000 00020000 beaa0ac4 # [ 67.628642] ffe0: 00000004 beaa07f8 b6e914cf b6e177e6 # [ 67.633963] Code: e24cb004 e52de004 e8bd4000 e3a03000 (e5833000) # [ 67.640398] ---[ end trace 67efd71f71167698 ]--- # 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 <6>[ 68.738289] lkdtm: Performing direct entry CORRUPT_LIST_ADD <6>[ 68.744197] lkdtm: attempting good list addition <6>[ 68.749086] lkdtm: attempting corrupted list addition <3>[ 68.754647] lkdtm: list_add() corruption not detected! # [ 68.738289] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 68.744197] lkdtm: attempting good list addition # [ 68.749086] lkdtm: attempting corrupted list addition # [ 68.754647] 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 <6>[ 69.069263] lkdtm: Performing direct entry CORRUPT_LIST_DEL <6>[ 69.075163] lkdtm: attempting good list removal <6>[ 69.079965] lkdtm: attempting corrupted list removal <3>[ 69.085269] lkdtm: list_del() corruption not detected! # [ 69.069263] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 69.075163] lkdtm: attempting good list removal # [ 69.079965] lkdtm: attempting corrupted list removal # [ 69.085269] 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 <6>[ 69.384375] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING <6>[ 69.390924] lkdtm: attempting bad read from page below current stack <3>[ 69.397636] lkdtm: FAIL: accessed page before stack! (byte: 3f) # [ 69.384375] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 69.390924] lkdtm: attempting bad read from page below current stack # [ 69.397636] lkdtm: FAIL: accessed page before stack! (byte: 3f) # STACK_GUARD_PAGE_LEADING: missing 'call trace:': [FAIL] not ok 12 selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh # exit=1 # selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh <6>[ 69.713905] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING <6>[ 69.720545] lkdtm: attempting bad read from page above current stack <3>[ 69.727218] lkdtm: FAIL: accessed page after stack! (byte: 0) # [ 69.713905] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING # [ 69.720545] lkdtm: attempting bad read from page above current stack # [ 69.727218] 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 <6>[ 70.025994] lkdtm: Performing direct entry UNSET_SMEP <3>[ 70.031332] lkdtm: XFAIL: this test is x86_64-only # [ 70.025994] lkdtm: Performing direct entry UNSET_SMEP # [ 70.031332] 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 <6>[ 70.330856] lkdtm: Performing direct entry DOUBLE_FAULT <3>[ 70.336642] lkdtm: XFAIL: this test is ia32-only # [ 70.330856] lkdtm: Performing direct entry DOUBLE_FAULT # [ 70.336642] 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 <6>[ 70.631185] lkdtm: Performing direct entry CORRUPT_PAC <3>[ 70.636671] lkdtm: XFAIL: this test is arm64-only # [ 70.631185] lkdtm: Performing direct entry CORRUPT_PAC # [ 70.636671] 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 <6>[ 70.956940] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE <3>[ 70.963726] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS # [ 70.956940] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # [ 70.963726] 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 <6>[ 71.623976] lkdtm: Performing direct entry READ_AFTER_FREE <6>[ 71.629753] lkdtm: Value in memory before free: 12345678 <6>[ 71.635460] lkdtm: Attempting bad read from freed memory <6>[ 71.641048] lkdtm: Memory was not poisoned # [ 71.623976] lkdtm: Performing direct entry READ_AFTER_FREE # [ 71.629753] lkdtm: Value in memory before free: 12345678 # [ 71.635460] lkdtm: Attempting bad read from freed memory # [ 71.641048] 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 <6>[ 72.117515] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE <6>[ 72.123874] lkdtm: Value in memory before free: 12345678 <6>[ 72.129460] lkdtm: Attempting to read from freed memory <6>[ 72.134996] lkdtm: Buddy page was not poisoned # [ 72.117515] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE # [ 72.123874] lkdtm: Value in memory before free: 12345678 # [ 72.129460] lkdtm: Attempting to read from freed memory # [ 72.134996] 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 <6>[ 72.441570] lkdtm: Performing direct entry SLAB_FREE_DOUBLE <6>[ 72.447512] lkdtm: Attempting double slab free ... # [ 72.441570] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 72.447512] 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 <6>[ 72.749670] lkdtm: Performing direct entry SLAB_FREE_CROSS <6>[ 72.755543] lkdtm: Attempting cross-cache slab free ... # [ 72.749670] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 72.755543] 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 <6>[ 73.066457] lkdtm: Performing direct entry SLAB_FREE_PAGE <6>[ 73.072293] lkdtm: Attempting non-Slab slab free ... # [ 73.066457] lkdtm: Performing direct entry SLAB_FREE_PAGE # [ 73.072293] 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 <6>[ 74.105051] lkdtm: Performing direct entry EXEC_DATA <6>[ 74.110304] lkdtm: attempting ok execution at c0c5426c <6>[ 74.115835] lkdtm: attempting bad execution at c26f896c <1>[ 74.121345] 8<--- cut here --- <1>[ 74.124670] Unable to handle kernel paging request at virtual address c26f896c <1>[ 74.132170] pgd = d842108a <1>[ 74.135163] [c26f896c] *pgd=1261141e(bad) <0>[ 74.139492] Internal error: Oops: 8000000d [#3] SMP ARM <4>[ 74.145001] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 74.174537] CPU: 3 PID: 1679 Comm: cat Tainted: G D W 5.10.178-cip31 #1 <4>[ 74.182565] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 74.189387] PC is at data_area+0x0/0x40 <4>[ 74.193515] LR is at execute_location+0xa4/0xb4 <4>[ 74.198329] pc : [] lr : [] psr: 600e0013 <4>[ 74.204880] sp : c5aefe38 ip : 00000027 fp : c5aefe54 <4>[ 74.210386] r10: 0000000a r9 : c1ad0df4 r8 : c15e8ccc <4>[ 74.215893] r7 : c5aeff60 r6 : 00000001 r5 : c26f896c r4 : c0c5426c <4>[ 74.222702] r3 : 19b1b9b4 r2 : 19b1b9b4 r1 : ef7c05e4 r0 : 0000002b <4>[ 74.229515] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 74.236932] Control: 10c5387d Table: 15db004a DAC: 00000051 <0>[ 74.242962] Process cat (pid: 1679, stack limit = 0x8dbc2d44) <0>[ 74.248992] Stack: (0xc5aefe38 to 0xc5af0000) <0>[ 74.253637] fe20: 0000001f c5d39000 <0>[ 74.262109] fe40: 0000000a c5aeff60 c5aefe64 c5aefe58 c13bcf8c c13bcd88 c5aefe74 c5aefe68 <0>[ 74.270579] fe60: c0c534fc c13bcf74 c5aefe9c c5aefe78 c0c539fc c0c534dc c0c538dc c5886140 <0>[ 74.279047] fe80: b6e39000 0000000a c30249c0 c5aeff60 c5aefec4 c5aefea0 c07dfee4 c0c538e8 <0>[ 74.287516] fea0: 00000000 c5886140 b6e39000 c2815800 c5aeff60 c07dfe80 c5aeff5c c5aefec8 <0>[ 74.295985] fec0: c059a8f8 c07dfe8c 00000001 00000000 c059aea4 c13d2310 c059aea4 c5aee000 <0>[ 74.304454] fee0: b6e39000 00020000 00000004 0000000a 0001fff6 c5aefee0 00000001 b6e38000 <0>[ 74.312921] ff00: c59b6a00 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 74.321390] ff20: 00000000 00000000 c13d2310 19b1b9b4 c205e6a0 c5886140 c5886140 c5aee000 <0>[ 74.329859] ff40: b6e39000 00000000 00000000 00000004 c5aeff94 c5aeff60 c059aea4 c059a7f8 <0>[ 74.338330] ff60: 00000000 00000000 c5aeffac 19b1b9b4 0000000a 0000000a b6f80e00 00000004 <0>[ 74.346799] ff80: c03002e4 c5aee000 c5aeffa4 c5aeff98 c059af34 c059ae3c 00000000 c5aeffa8 <0>[ 74.355266] ffa0: c03000c0 c059af28 0000000a 0000000a 00000001 b6e39000 0000000a 00000000 <0>[ 74.363734] ffc0: 0000000a 0000000a b6f80e00 00000004 00000001 00000000 00020000 beefcac4 <0>[ 74.372201] ffe0: 00000004 beefc7f8 b6eeb4cf b6e717e6 800e0030 00000001 00000000 00000000 <0>[ 74.380656] Backtrace: <0>[ 74.383414] [] (execute_location) from [] (lkdtm_EXEC_DATA+0x24/0x28) <0>[ 74.391883] r7:c5aeff60 r6:0000000a r5:c5d39000 r4:0000001f <0>[ 74.397841] [] (lkdtm_EXEC_DATA) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 74.406228] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 74.414534] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 74.422745] r9:c5aeff60 r8:c30249c0 r7:0000000a r6:b6e39000 r5:c5886140 r4:c0c538dc <0>[ 74.430791] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 74.438919] r9:c07dfe80 r8:c5aeff60 r7:c2815800 r6:b6e39000 r5:c5886140 r4:00000000 <0>[ 74.446963] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 74.454392] r10:00000004 r9:00000000 r8:00000000 r7:b6e39000 r6:c5aee000 r5:c5886140 <0>[ 74.462503] r4:c5886140 <0>[ 74.465336] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 74.472764] r9:c5aee000 r8:c03002e4 r7:00000004 r6:b6f80e00 r5:0000000a r4:0000000a <0>[ 74.480805] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 74.488660] Exception stack(0xc5aeffa8 to 0xc5aefff0) <0>[ 74.494003] ffa0: 0000000a 0000000a 00000001 b6e39000 0000000a 00000000 <0>[ 74.502474] ffc0: 0000000a 0000000a b6f80e00 00000004 00000001 00000000 00020000 beefcac4 <0>[ 74.510938] ffe0: 00000004 beefc7f8 b6eeb4cf b6e717e6 <0>[ 74.516283] Code: 00000000 c2afc840 c2afc900 c2afc9c0 (e1a0c00d) <4>[ 74.522669] ---[ end trace 67efd71f71167699 ]--- # Segmentation fault # [ 74.105051] lkdtm: Performing direct entry EXEC_DATA # [ 74.110304] lkdtm: attempting ok execution at c0c5426c # [ 74.115835] lkdtm: attempting bad execution at c26f896c # [ 74.121345] 8<--- cut here --- # [ 74.124670] Unable to handle kernel paging request at virtual address c26f896c # [ 74.132170] pgd = d842108a # [ 74.135163] [c26f896c] *pgd=1261141e(bad) # [ 74.139492] Internal error: Oops: 8000000d [#3] SMP ARM # [ 74.145001] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 74.174537] CPU: 3 PID: 1679 Comm: cat Tainted: G D W 5.10.178-cip31 #1 # [ 74.182565] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 74.189387] PC is at data_area+0x0/0x40 # [ 74.193515] LR is at execute_location+0xa4/0xb4 # [ 74.198329] pc : [] lr : [] psr: 600e0013 # [ 74.204880] sp : c5aefe38 ip : 00000027 fp : c5aefe54 # [ 74.210386] r10: 0000000a r9 : c1ad0df4 r8 : c15e8ccc # [ 74.215893] r7 : c5aeff60 r6 : 00000001 r5 : c26f896c r4 : c0c5426c # [ 74.222702] r3 : 19b1b9b4 r2 : 19b1b9b4 r1 : ef7c05e4 r0 : 0000002b # [ 74.229515] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 74.236932] Control: 10c5387d Table: 15db004a DAC: 00000051 # [ 74.242962] Process cat (pid: 1679, stack limit = 0x8dbc2d44) # [ 74.248992] Stack: (0xc5aefe38 to 0xc5af0000) # [ 74.253637] fe20: 0000001f c5d39000 # [ 74.262109] fe40: 0000000a c5aeff60 c5aefe64 c5aefe58 c13bcf8c c13bcd88 c5aefe74 c5aefe68 # [ 74.270579] fe60: c0c534fc c13bcf74 c5aefe9c c5aefe78 c0c539fc c0c534dc c0c538dc c5886140 # [ 74.279047] fe80: b6e39000 0000000a c30249c0 c5aeff60 c5aefec4 c5aefea0 c07dfee4 c0c538e8 # [ 74.287516] fea0: 00000000 c5886140 b6e39000 c2815800 c5aeff60 c07dfe80 c5aeff5c c5aefec8 # [ 74.295985] fec0: c059a8f8 c07dfe8c 00000001 00000000 c059aea4 c13d2310 c059aea4 c5aee000 # [ 74.304454] fee0: b6e39000 00020000 00000004 0000000a 0001fff6 c5aefee0 00000001 b6e38000 # [ 74.312921] ff00: c59b6a00 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 74.321390] ff20: 00000000 00000000 c13d2310 19b1b9b4 c205e6a0 c5886140 c5886140 c5aee000 # [ 74.329859] ff40: b6e39000 00000000 00000000 00000004 c5aeff94 c5aeff60 c059aea4 c059a7f8 # [ 74.338330] ff60: 00000000 00000000 c5aeffac 19b1b9b4 0000000a 0000000a b6f80e00 00000004 # [ 74.346799] ff80: c03002e4 c5aee000 c5aeffa4 c5aeff98 c059af34 c059ae3c 00000000 c5aeffa8 # [ 74.355266] ffa0: c03000c0 c059af28 0000000a 0000000a 00000001 b6e39000 0000000a 00000000 # [ 74.363734] ffc0: 0000000a 0000000a b6f80e00 00000004 00000001 00000000 00020000 beefcac4 # [ 74.372201] ffe0: 00000004 beefc7f8 b6eeb4cf b6e717e6 800e0030 00000001 00000000 00000000 # [ 74.380656] Backtrace: # [ 74.383414] [] (execute_location) from [] (lkdtm_EXEC_DATA+0x24/0x28) # [ 74.391883] r7:c5aeff60 r6:0000000a r5:c5d39000 r4:0000001f # [ 74.397841] [] (lkdtm_EXEC_DATA) from [] (lkdtm_do_action+0x2c/0x4c) # [ 74.406228] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 74.414534] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 74.422745] r9:c5aeff60 r8:c30249c0 r7:0000000a r6:b6e39000 r5:c5886140 r4:c0c538dc # [ 74.430791] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 74.438919] r9:c07dfe80 r8:c5aeff60 r7:c28158<6>[ 74.940468] lkdtm: Performing direct entry EXEC_STACK 00 r6:b6e39000 r5:c5886140 r4:000<6>[ 74.946298] lkdtm: attempting ok execution at c0c5426c 00000 # [ 74.446963] [[ 74.954600] lkdtm: attempting bad execution at c5f27e0c c>] (vfs_write) from []<1>[ 74.962858] 8<--- cut here --- (ksys_write+04[/ 0 x e7c4).968987] Unable to handle kernel paging request at virtual address c5f27e0c # [ 74.454392<]1 > [r 1 0 :704.978467] pgd = 3f231092 000004 r9:00000000 r8:000<010>0[0 74.983514] [c5f27e0c] *pgd=15e1141e(bad) 0 r7:b6e39000 r6:c<50a>e[e 0 0 074.990218] Internal error: Oops: 8000000d [#4] SMP ARM r5:c5886140 # [ 74.462503] r4<4>[ 74.997869] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 :c5886140 # [ 74.<446>5[3 3 6 75.029832] CPU: 2 PID: 1755 Comm: cat Tainted: G D W 5.10.178-cip31 #1 [4]> [( k s y75s._0w40084] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) ite) from [>[] ( s75.048698] PC is at 0xc5f27e0c s_write+0x18/0x1c) # [< 4 > [7 4 75.054271] LR is at execute_location+0xa4/0xb4 .472764]< 4 >r[9 : c 57a5e.e00601396] pc : [] lr : [] psr: 600e0013 r8:c0300<24e>4[ r 7 :705.000609656] sp : c5f27de8 ip : c5f27cf0 fp : c5f27e04 004 r6:b60[e 0 0 7r55.:0070876] r10: 0000000b r9 : c1ad0e00 r8 : c15e8ccc 00000a r4<:40>0[0 0 0 0705a. 0 8#096] r7 : c5f27f60 r6 : 00000001 r5 : c5f27e0c r4 : c0c5426c [ 74.4<840>8[0 5 ] 7[5<.0c902618] r3 : 5852e8e0 r2 : 5852e8e0 r1 : ef7ab5e0 r0 : 0000002b 9af1c>] (sys_wre[) f r7o5m101142] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [<]4 >([r e t _7f5a.s110530] Control: 10c5387d Table: 16bd404a DAC: 00000051 _syscall+0x0/08[) #7 5[.118444] Process cat (pid: 1755, stack limit = 0x17f19dfb) 74.48866<00]> [E x c e7p5t.i1o26444] Stack: (0xc5f27de8 to 0xc5f28000) stack(0xc5aef8[ t o 705x.132885] 7de0: c5f26000 c5ee4000 0000000b c5f27f60 c5f27e64 c5f27e08 5aefff0) # [ 7<40.>4[9 4 0 073.143318] 7e00: c13bcfc8 c13bcd88 c5f27e6c e1a0c00d e92dd800 e24cb004 e52de004 e8bd4000 ] ffa0: < 0 > [ 7 5.153836] 7e20: e89da800 e1a0c00d e92dd830 e24cb004 e52de004 e8bd4000 e3023374 e34c31b8 0000000a 0000000a< 00>0[0 0 0 075.164353] 7e40: e3a02040 e3a01d33 e5930018 5852e8e0 0000000b 00000020 c5f27e74 c5f27e68 1 b6e39000 00000<000>a[ 0 0 0705.174958] 7e60: c0c534fc c13bcf9c c5f27e9c c5f27e78 c0c539fc c0c534dc c0c538dc c5886dc0 000 # [ 74.50<204>7[4 ] f7f5.185478] 7e80: b6ea0000 0000000b c30249c0 c5f27f60 c5f27ec4 c5f27ea0 c07dfee4 c0c538e8 0: 0000000a 00000<000>a[ b 6 f78.195996] 7ea0: 00000000 c5886dc0 b6ea0000 c2815800 c5f27f60 c07dfe80 c5f27f5c c5f27ec8 0e00 00000004 0000<000>0[1 0 075.206515] 7ec0: c059a8f8 c07dfe8c 00000001 00000000 c059aea4 c13d2310 c059aea4 c5f26000 00000 00020000 bec[a c 4 7 .217119] 7ee0: b6ea0000 00020000 00000004 0000000b 0001fff5 c5f27ee0 00000001 b6e9f000 # [ 74.510938] e[0 : 070.227635] 7f00: c5af8000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 000004 beefc7f8 e[e b 4 c7f5.238153] 7f20: 00000000 00000000 c13d2310 5852e8e0 c205e6a0 c5886dc0 c5886dc0 c5f26000 b6e717e6 # [ < 07>4[. 5 1 67258248671] 7f40: b6ea0000 00000000 00000000 00000004 c5f27f94 c5f27f60 c059aea4 c059a7f8 3] Code: 00000000< 0c>2[a f c 874.259103] 7f60: 00000000 00000000 c5f27fac 5852e8e0 0000000b 0000000b b6fe7e00 00000004 0 c2afc900 c2afc9 [( e 1 a70.269620] 7f80: c03002e4 c5f26000 c5f27fa4 c5f27f98 c059af34 c059ae3c 00000000 c5f27fa8 c00d) # [ 74<.05>2[2 6 6 97]5.280139] 7fa0: c03000c0 c059af28 0000000b 0000000b 00000001 b6ea0000 0000000b 00000000 ---[ end trace 67d[7 1 f 771.290656] 7fc0: 0000000b 0000000b b6fe7e00 00000004 00000001 00000000 00020000 bed05ac4 167699 ]--- # EC[_ D A T7A5.301174] 7fe0: 00000004 bed057f8 b6f524cf b6ed87e6 800e0030 00000001 00000000 00000000 missing 'call tre[: ' : 7[.311686] Backtrace: FAIL] not ok 30 selftes[: 75.316483] [] (execute_location) from [] (lkdtm_EXEC_STACK+0x38/0x54) lkdtm: EXEC_DATA<.0s>h[ # e7x5.327345] r7:c5f27f60 r6:0000000b r5:c5ee4000 r4:c5f26000 t=1 # selftests: lkd:[ E X75.335349] [] (lkdtm_EXEC_STACK) from [] (lkdtm_do_action+0x2c/0x4c) EC_STACK. [ 75.346033] r4:00000020 <0>[ 75.349961] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 75.358240] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 75.366426] r9:c5f27f60 r8:c30249c0 r7:0000000b r6:b6ea0000 r5:c5886dc0 r4:c0c538dc <0>[ 75.374445] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 75.382543] r9:c07dfe80 r8:c5f27f60 r7:c2815800 r6:b6ea0000 r5:c5886dc0 r4:00000000 <0>[ 75.390555] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 75.397959] r10:00000004 r9:00000000 r8:00000000 r7:b6ea0000 r6:c5f26000 r5:c5886dc0 <0>[ 75.406053] r4:c5886dc0 <0>[ 75.408856] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 75.416260] r9:c5f26000 r8:c03002e4 r7:00000004 r6:b6fe7e00 r5:0000000b r4:0000000b <0>[ 75.424276] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 75.432109] Exception stack(0xc5f27fa8 to 0xc5f27ff0) <0>[ 75.437429] 7fa0: 0000000b 0000000b 00000001 b6ea0000 0000000b 00000000 <0>[ 75.445874] 7fc0: 0000000b 0000000b b6fe7e00 00000004 00000001 00000000 00020000 bed05ac4 <0>[ 75.454318] 7fe0: 00000004 bed057f8 b6f524cf b6ed87e6 <0>[ 75.459640] Code: c5f27e08 c13bcfc8 c13bcd88 c5f27e6c (e1a0c00d) <4>[ 75.466003] ---[ end trace 67efd71f7116769a ]--- # Segmentation fault # [ 74.940468] lkdtm: Performing direct entry EXEC_STACK # [ 74.946298] lkdtm: attempting ok execution at c0c5426c # [ 74.954600] lkdtm: attempting bad execution at c5f27e0c # [ 74.962858] 8<--- cut here --- # [ 74.968987] Unable to handle kernel paging request at virtual address c5f27e0c # [ 74.978467] pgd = 3f231092 # [ 74.983514] [c5f27e0c] *pgd=15e1141e(bad) # [ 74.990218] Internal error: Oops: 8000000d [#4] SMP ARM # [ 74.997869] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 75.029832] CPU: 2 PID: 1755 Comm: cat Tainted: G D W 5.10.178-cip31 #1 # [ 75.040084] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 75.048698] PC is at 0xc5f27e0c # [ 75.054271] LR is at execute_location+0xa4/0xb4 # [ 75.061396] pc : [] lr : [] psr: 600e0013 # [ 75.069656] sp : c5f27de8 ip : c5f27cf0 fp : c5f27e04 # [ 75.076876] r10: 0000000b r9 : c1ad0e00 r8 : c15e8ccc # [ 75.084096] r7 : c5f27f60 r6 : 00000001 r5 : c5f27e0c r4 : c0c5426c # [ 75.092618] r3 : 5852e8e0 r2 : 5852e8e0 r1 : ef7ab5e0 r0 : 0000002b # [ 75.101142] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 75.110530] Control: 10c5387d Table: 16bd404a DAC: 00000051 # [ 75.118444] Process cat (pid: 1755, stack limit = 0x17f19dfb) # [ 75.126444] Stack: (0xc5f27de8 to 0xc5f28000) # [ 75.132885] 7de0: c5f26000 c5ee4000 0000000b c5f27f60 c5f27e64 c5f27e08 # [ 75.143318] 7e00: c13bcfc8 c13bcd88 c5f27e6c e1a0c00d e92dd800 e24cb004 e52de004 e8bd4000 # [ 75.153836] 7e20: e89da800 e1a0c00d e92dd830 e24cb004 e52de004 e8bd4000 e3023374 e34c31b8 # [ 75.164353] 7e40: e3a02040 e3a01d33 e5930018 5852e8e0 0000000b 00000020 c5f27e74 c5f27e68 # [ 75.174958] 7e60: c0c534fc c13bcf9c c5f27e9c c5f27e78 c0c539fc c0c534dc c0c538dc c5886dc0 # [ 75.185478] 7e80: b6ea0000 0000000b c30249c0 c5f27f60 c5f27ec4 c5f27ea0 c07dfee4 c0c538e8 # [ 75.195996] 7ea0: 00000000 c5886dc0 b6ea0000 c2815800 c5f27f60 c07dfe80 c5f27f5c c5f27ec8 # [ 75.206515] 7ec0: c059a8f8 c07dfe8c 00000001 00000000 c059aea4 c13d2310 c059aea4 c5f26000 # [ 75.217119] 7ee0: b6ea0000 00020000 00000004 0000000b 0001fff5 c5f27ee0 00000001 b6e9f000 # [ 75.227635] 7f00: c5af8000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 75.238153] 7f20: 00000000 00000000 c13d2310 5852e8e0 c205e6a0 c5886dc0 c5886dc0 c5f26000 # [ 75.248671] 7f40: b6ea0000 00000000 00000000 00000004 c5f27f94 c5f27f60 c059aea4 c059a7f8 # [ 75.259103] 7f60: 00000000 00000000 c5f27fac 5852e8e0 0000000b 0000000b b6fe7e00 00000004 # [ 75.269620] 7f80: c03002e4 c5f26000 c5f27fa4 c5f27f98 c059af34 c059ae3c 00000000 c5f27fa8 # [ 75.280139] 7fa0: c03000c0 c059af28 0000000b 0000000b 00000001 b6ea0000 0000000b 00000000 # [ 75.290656] 7fc0: 0000000b 0000000b b6fe7e00 00000004 00000001 00000000 00020000 bed05ac4 # [ 75.301174] 7fe0: 00000004 bed057f8 b6f524cf b6ed87e6 800e0030 00000001 00000000 00000000 # [ 75.311686] Backtrace: # [ 75.316483] [] (execute_location) from [] (lkdtm_EXEC_STACK+0x38/0x54) # [ 75.327345] r7:c5f27f60 r6:0000000b r5:c5ee4000 r4:c5f26000 # [ 75.335349] [] (lkdtm_EXEC_STACK) from [] (lkdtm_do_action+0x2c/0x4c) # [ 75.346033] r4:00000020 # [ 75.349961] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 75.358240] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 75.366426] r9:c5f27f60 r8:c30249c0 r7:0000000b r6:b6ea0000 r5:c5886dc0 r4:c0c538dc # [ 75.374445] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 75.382543] r9:c07dfe80 r8:c5f27f60 r7:c2815800 r6:b6ea0000 r5:c5886dc0 r4:00000000 <6>[ 75.910691] lkdtm: Performing direct entry EXEC_KMALLOC # [ 75.390555] [] (vf<6>[ 75.918460] lkdtm: attempting ok execution at c0c5426c s_write) from [] (ksys_<6>[ 75.926561] lkdtm: attempting bad execution at c5c54940 write+0x74/0xec) # [ 75.397959<1>[ 75.934970] 8<--- cut here --- ] r10:00000004 :[0 0 0 0705.941043] Unable to handle kernel paging request at virtual address c5c54940 00 r8:0000000<01 >r[7 : b 67e5a.050607] pgd = c5030dcc 000 r6:c5f26000 r5:c5886dc0 < 1#>[ 75.955482] [c5c54940] *pgd=15c1141e(bad) [ 75.406053] r4:c<508>8[6 d c 75.962361] Internal error: Oops: 8000000d [#5] SMP ARM # [ 75.408856] [] (<4>[ 75.970096] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 ksys_write) from [<5[9 a f 36.002064] CPU: 3 PID: 1834 Comm: cat Tainted: G D W 5.10.178-cip31 #1 4>] (sys_wre[+ 0 x 1786./0012231] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 1c) # [ 75.416260<]4 > [r 9 : 76.020846] PC is at 0xc5c54940 5f26000 r8:c03002e4 r7:<040>0[0 0 76.026504] LR is at execute_location+0xa4/0xb4 004 r6:b<64f>e[7 e 0 07 6r.50:303630] pc : [] lr : [] psr: 600e0013 00000r[4 : 0 07060.0004018b91] sp : c5d9fe30 ip : c5d9fd38 fp : c5d9fe4c # [ 75.4<244>2[7 6 ] 7[6<.c008940] r10: 0000000d r9 : c1ad0e0c r8 : c15e8ccc 59af1c>] <(4s>y[s _ w r7i6t.e0)5 247] r7 : c5d9ff60 r6 : 00000001 r5 : c5c54940 r4 : c0c5426c from [0[0 c 0 >7]6 .(06r4769] r3 : 62cf6fde r2 : 62cf6fde r1 : ef7c05e0 r0 : 0000002b t_fast_syscall<+40>x[0 / 0 x7268.073293] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 75<.44>3[2 1 0 97]6 .E0x82683] Control: 10c5387d Table: 15e1004a DAC: 00000051 eption stack(0[5 f 2 77f6a.890511] Process cat (pid: 1834, stack limit = 0xc0bb49c6) to 0xc5f270[) #7 6[. 0 8422] Stack: (0xc5d9fe30 to 0xc5da0000) 75.437429] 7fa<00:> [ 7 6 104865] fe20: c5c54940 c6d20000 0000000d c5d9ff60 000000<00b> [0 0 0 076.115299] fe40: c5d9fe64 c5d9fe50 c0c542bc c13bcd88 00000021 c6d20000 c5d9fe74 c5d9fe68 00b 00000001 b6e0[0 0 0 7060125903] fe60: c0c534fc c0c54290 c5d9fe9c c5d9fe78 c0c539fc c0c534dc c0c538dc c5ab1680 00000b 00000000< 0 >#[ [ 7 67136334] fe80: b6eb1000 0000000d c30249c0 c5d9ff60 c5d9fec4 c5d9fea0 c07dfee4 c0c538e8 5.445874] 7fc0<:0 >0[0 0 0 07060.146765] fea0: 00000000 c5ab1680 b6eb1000 c2815800 c5d9ff60 c07dfe80 c5d9ff5c c5d9fec8 0000000b b6fe7e0<00 >0[0 0 0 070.157197] fec0: c059a8f8 c07dfe8c 00000001 00000000 c059aea4 c13d2310 c059aea4 c5d9e000 04 00000001 0<000>0[ 0 0 0706 .0167715] fee0: b6eb1000 00020000 00000004 0000000d 0001fff3 c5d9fee0 00000001 b6eb0000 020000 bed05ac4< 0 >#[ [ 7 67178060] ff00: c5a2c780 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5.454318] 7fe0: 00<000>0[0 0 4 76.188493] ff20: 00000000 00000000 c13d2310 62cf6fde c205e6a0 c5ab1680 c5ab1680 c5d9e000 ed057f8 b6f524cf b<60e>d[8 7 e 676.199098] ff40: b6eb1000 00000000 00000000 00000004 c5d9ff94 c5d9ff60 c059aea4 c059a7f8 # [ 75.459640<]0 >C[o d e :7 6.209704] ff60: 00000000 00000000 c5d9ffac 62cf6fde 0000000d 0000000d b6ff8e00 00000004 5f27e08 c13bcfc8< 0c>1[3 b c d786.220221] ff80: c03002e4 c5d9e000 c5d9ffa4 c5d9ff98 c059af34 c059ae3c 00000000 c5d9ffa8 c5f27e6c (e1a0c<000>d[) 7#6.230739] ffa0: c03000c0 c059af28 0000000d 0000000d 00000001 b6eb1000 0000000d 00000000 [ 75.466003] -<-0->[[ e n d7 6.241259] ffc0: 0000000d 0000000d b6ff8e00 00000004 00000001 00000000 00020000 beda8ac4 race 67efd71f711<607>6[9 a ]7-6.251775] ffe0: 00000004 beda87f8 b6f634cf b6ee97e6 800e0030 00000001 00000000 00000000 - # EXEC_STACK<:0 >m[i s s i7n6g262287] Backtrace: 'call trace:': [FAIL] not [ 76.267002] [] (execute_location) from [] (lkdtm_EXEC_KMALLOC+0x38/0x44) 31 selftests: lkdt [E X E C76.278296] r7:c5d9ff60 r6:0000000d r5:c6d20000 r4:c5c54940 STACK.sh # exit=1 #< 0s>e[l f t 76.286385] [] (lkdtm_EXEC_KMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) sts: lkdtm: EC[_ K M A7L6L.O97246] r5:c6d20000 r4:00000021 C.sh <0>[ 76.302994] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 76.311783] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 76.319970] r9:c5d9ff60 r8:c30249c0 r7:0000000d r6:b6eb1000 r5:c5ab1680 r4:c0c538dc <0>[ 76.327990] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 76.336089] r9:c07dfe80 r8:c5d9ff60 r7:c2815800 r6:b6eb1000 r5:c5ab1680 r4:00000000 <0>[ 76.344103] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 76.351507] r10:00000004 r9:00000000 r8:00000000 r7:b6eb1000 r6:c5d9e000 r5:c5ab1680 <0>[ 76.359601] r4:c5ab1680 <0>[ 76.362406] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 76.369809] r9:c5d9e000 r8:c03002e4 r7:00000004 r6:b6ff8e00 r5:0000000d r4:0000000d <0>[ 76.377826] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 76.385660] Exception stack(0xc5d9ffa8 to 0xc5d9fff0) <0>[ 76.390980] ffa0: 0000000d 0000000d 00000001 b6eb1000 0000000d 00000000 <0>[ 76.399425] ffc0: 0000000d 0000000d b6ff8e00 00000004 00000001 00000000 00020000 beda8ac4 <0>[ 76.407868] ffe0: 00000004 beda87f8 b6f634cf b6ee97e6 <0>[ 76.413190] Code: 0c810000 00000000 00000000 00000000 (e1a0c00d) <4>[ 76.419554] ---[ end trace 67efd71f7116769b ]--- # Segmentation fault # [ 75.910691] lkdtm: Performing direct entry EXEC_KMALLOC # [ 75.918460] lkdtm: attempting ok execution at c0c5426c # [ 75.926561] lkdtm: attempting bad execution at c5c54940 # [ 75.934970] 8<--- cut here --- # [ 75.941043] Unable to handle kernel paging request at virtual address c5c54940 # [ 75.950607] pgd = c5030dcc # [ 75.955482] [c5c54940] *pgd=15c1141e(bad) # [ 75.962361] Internal error: Oops: 8000000d [#5] SMP ARM # [ 75.970096] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 76.002064] CPU: 3 PID: 1834 Comm: cat Tainted: G D W 5.10.178-cip31 #1 # [ 76.012231] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 76.020846] PC is at 0xc5c54940 # [ 76.026504] LR is at execute_location+0xa4/0xb4 # [ 76.033630] pc : [] lr : [] psr: 600e0013 # [ 76.041891] sp : c5d9fe30 ip : c5d9fd38 fp : c5d9fe4c # [ 76.048940] r10: 0000000d r9 : c1ad0e0c r8 : c15e8ccc # [ 76.056247] r7 : c5d9ff60 r6 : 00000001 r5 : c5c54940 r4 : c0c5426c # [ 76.064769] r3 : 62cf6fde r2 : 62cf6fde r1 : ef7c05e0 r0 : 0000002b # [ 76.073293] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 76.082683] Control: 10c5387d Table: 15e1004a DAC: 00000051 # [ 76.090511] Process cat (pid: 1834, stack limit = 0xc0bb49c6) # [ 76.098422] Stack: (0xc5d9fe30 to 0xc5da0000) # [ 76.104865] fe20: c5c54940 c6d20000 0000000d c5d9ff60 # [ 76.115299] fe40: c5d9fe64 c5d9fe50 c0c542bc c13bcd88 00000021 c6d20000 c5d9fe74 c5d9fe68 # [ 76.125903] fe60: c0c534fc c0c54290 c5d9fe9c c5d9fe78 c0c539fc c0c534dc c0c538dc c5ab1680 # [ 76.136334] fe80: b6eb1000 0000000d c30249c0 c5d9ff60 c5d9fec4 c5d9fea0 c07dfee4 c0c538e8 # [ 76.146765] fea0: 00000000 c5ab1680 b6eb1000 c2815800 c5d9ff60 c07dfe80 c5d9ff5c c5d9fec8 # [ 76.157197] fec0: c059a8f8 c07dfe8c 00000001 00000000 c059aea4 c13d2310 c059aea4 c5d9e000 # [ 76.167715] fee0: b6eb1000 00020000 00000004 0000000d 0001fff3 c5d9fee0 00000001 b6eb0000 # [ 76.178060] ff00: c5a2c780 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 76.188493] ff20: 00000000 00000000 c13d2310 62cf6fde c205e6a0 c5ab1680 c5ab1680 c5d9e000 # [ 76.199098] ff40: b6eb1000 00000000 00000000 00000004 c5d9ff94 c5d9ff60 c059aea4 c059a7f8 # [ 76.209704] ff60: 00000000 00000000 c5d9ffac 62cf6fde 0000000d 0000000d b6ff8e00 00000004 # [ 76.220221] ff80: c03002e4 c5d9e000 c5d9ffa4 c5d9ff98 c059af34 c059ae3c 00000000 c5d9ffa8 # [ 76.230739] ffa0: c03000c0 c059af28 0000000d 0000000d 00000001 b6eb1000 0000000d 00000000 # [ 76.241259] ffc0: 0000000d 0000000d b6ff8e00 00000004 00000001 00000000 00020000 beda8ac4 # [ 76.251775] ffe0: 00000004 beda87f8 b6f634cf b6ee97e6 800e0030 00000001 00000000 00000000 # [ 76.262287] Backtrace: # [ 76.267002] [] (execute_location) from [] (lkdtm_EXEC_KMALLOC+0x38/0x44) # [ 76.278296] r7:c5d9ff60 r6:0000000d r5:c6d20000 r4:c5c54940 # [ 76.286385] [] (lkdtm_EXEC_KMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) # [ 76.297246] r5:c6d20000 r4:00000021 # [ 76.302994] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 76.311783] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 76.319970] r9:c5d9ff6<6>[ 76.809497] lkdtm: Performing direct entry EXEC_VMALLOC 0 r8:c30249c0 r7:0000000d r6:b6eb<6>[ 76.816292] lkdtm: attempting ok execution at c0c5426c 1000 r5:c5ab1680 r4:c0c538dc # [<6>[ 76.824337] lkdtm: attempting bad execution at f096c000 76.327990] [] (full_<1>[ 76.832686] 8<--- cut here --- proxy_write) from [8[f 8 76.838779] Unable to handle kernel paging request at virtual address f096c000 >] (vfs_write+0x10c/0x53c) # [ <1>[ 76.848648] pgd = 3175eef1 76.336089] r9:c07dfe80 r8:c5d9f<1>[ 76.854485] [f096c000] *pgd=1294b811, *pte=49a2665f, *ppte=49a2645f f60 r7:c2815800 r6:b6eb1000 r5:c5<0>[ 76.863906] Internal error: Oops: 8000000f [#6] SMP ARM ab1680 r4:00000000 # [ 76.3441<4>[ 76.872186] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 03] [] (vfs_wt[e ) 76.904153] CPU: 2 PID: 1911 Comm: cat Tainted: G D W 5.10.178-cip31 #1 from [>][ ( k s7y6s914495] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) _write+0x74/0xec) # <[4 > [ 7 676.923283] PC is at 0xf096c000 .351507] r10:00000004 r<94:>0[0 76.928943] LR is at execute_location+0xa4/0xb4 00000 r8:0000<040>0[0 r 77:6b.936157] pc : [] lr : [] psr: 600e0013 eb1000 r6:c5d<94e>0[0 0 r756:.c44593] sp : c68cfe30 ip : c68cfd38 fp : c68cfe4c 5ab1680 #< 4[> [ 7 67.63.59951986] r10: 0000000d r9 : c1ad0e1c r8 : c15e8ccc 01] r4:c5ab1<648>0[ #7 6[. 959296] r7 : c68cff60 r6 : 00000001 r5 : f096c000 r4 : c0c5426c 76.362406] <[4<>c[0 5 9 a7e63.0967990] r3 : 7f17fe88 r2 : 7f17fe88 r1 : ef7ab5e0 r0 : 0000002b ] (ksys_write) fm[ [ < c706.976690] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none 9af34>] (sys_i[t e + 07x61.886165] Control: 10c5387d Table: 16e5004a DAC: 00000051 /0x1c) # [ 76.36<908>0[9 ] 6.994084] Process cat (pid: 1911, stack limit = 0xce642e70) r9:c5d9e000 r8<:0c>0[3 0 0 27e74.002256] Stack: (0xc68cfe30 to 0xc68d0000) r7:00000004 r6:b6ff<80e>0[0 r 57.008872] fe20: f096c000 c5ee4000 0000000d c68cff60 :0000000d r4:000000<00d> [ # [7.019478] fe40: c68cfe64 c68cfe50 c0c542f0 c13bcd88 00000022 c5ee4000 c68cfe74 c68cfe68 76.377826] [f[1 c > ]7.030085] fe60: c0c534fc c0c542d4 c68cfe9c c68cfe78 c0c539fc c0c534dc c0c538dc c5af8dc0 (sys_write) from [0[0 0 c77.040691] fe80: b6e4d000 0000000d c30249c0 c68cff60 c68cfec4 c68cfea0 c07dfee4 c0c538e8 0>] (ret_fast_syscal0[x 0 /7.051383] fea0: 00000000 c5af8dc0 b6e4d000 c2815800 c68cff60 c07dfe80 c68cff5c c68cfec8 0x28) # [ 76.38566<00]> [E x c77.061991] fec0: c059a8f8 c07dfe8c 00000001 00000000 c059aea4 c13d2310 c059aea4 c68ce000 eption stack(0xc5d<90f>f[a 8 t77.072683] fee0: b6e4d000 00020000 00000004 0000000d 0001fff3 c68cfee0 00000001 b6e4c000 0xc5d9fff0) # [ < 0 >7[6 . 3 977.083287] ff00: c5886780 00000000 00000000 00000000 00000000 00000000 00000000 00000000 980] ffa0: < 0 > [ 77.093894] ff20: 00000000 00000000 c13d2310 7f17fe88 c205e6a0 c5af8dc0 c5af8dc0 c68ce000 0000000d 0000000d 0<000>0[0 0 077.104587] ff40: b6e4d000 00000000 00000000 00000004 c68cff94 c68cff60 c059aea4 c059a7f8 1 b6eb1000 0000000d <000>0[0 0 0 77.115281] ff60: 00000000 00000000 c68cffac 7f17fe88 0000000d 0000000d b6f94e00 00000004 0 # [ 76.399425<]0 >f[f c 0 :77.125972] ff80: c03002e4 c68ce000 c68cffa4 c68cff98 c059af34 c059ae3c 00000000 c68cffa8 0000000d 0000000d< 0b>6[f f 8 e70.136577] ffa0: c03000c0 c059af28 0000000d 0000000d 00000001 b6e4d000 0000000d 00000000 0 00000004 00000001< 00>0[0 0 0 07.147099] ffc0: 0000000d 0000000d b6f94e00 00000004 00000001 00000000 00020000 beb60ac4 00 00020000 beda8ac4< 0 >#[ [ 77.157705] ffe0: 00000004 beb607f8 b6eff4cf b6e857e6 800e0030 00000001 00000000 00000000 76.407868] ffe0: 0<000>0[0 0 0 47.168390] Backtrace: beda87f8 b6f634cf b6ee97e6 # [ 0>[ 77.173283] [] (execute_location) from [] (lkdtm_EXEC_VMALLOC+0x28/0x34) 76.413190] Code: 0c<801>0[0 0 077.184749] r7:c68cff60 r6:0000000d r5:c5ee4000 r4:f096c000 00000000 00000000 <000>0[0 0 0 07.192925] [] (lkdtm_EXEC_VMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) 0 (e1a0c00d) < 0#> [[ 7776.203703] r5:c5ee4000 r4:00000022 419554] ---[ end trac6[7 e f77.209540] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) d71f7116769b ]--- # EXEC_KMALLOC0>[ 77.220065] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) : missing 'call trace<:0'>:[ [ F77.231012] r9:c68cff60 r8:c30249c0 r7:0000000d r6:b6e4d000 r5:c5af8dc0 r4:c0c538dc AIL] not ok 32 selftests: lk] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) m: EXEC_KMALLOC.sh # et[= 1 77.251963] r9:c07dfe80 r8:c68cff60 r7:c2815800 r6:b6e4d000 r5:c5af8dc0 r4:00000000 # selftests: lkdtm: EC[_ V 77.262309] [] (vfs_write) from [] (ksys_write+0x74/0xec) ALLOC.sh <0>[ 77.272046] r10:00000004 r9:00000000 r8:00000000 r7:b6e4d000 r6:c68ce000 r5:c5af8dc0 <0>[ 77.280998] r4:c5af8dc0 <0>[ 77.283809] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 77.291219] r9:c68ce000 r8:c03002e4 r7:00000004 r6:b6f94e00 r5:0000000d r4:0000000d <0>[ 77.299242] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 77.307081] Exception stack(0xc68cffa8 to 0xc68cfff0) <0>[ 77.312408] ffa0: 0000000d 0000000d 00000001 b6e4d000 0000000d 00000000 <0>[ 77.320858] ffc0: 0000000d 0000000d b6f94e00 00000004 00000001 00000000 00020000 beb60ac4 <0>[ 77.329305] ffe0: 00000004 beb607f8 b6eff4cf b6e857e6 <0>[ 77.334635] Code: bad PC value <4>[ 77.338083] ---[ end trace 67efd71f7116769c ]--- # Segmentation fault # [ 76.809497] lkdtm: Performing direct entry EXEC_VMALLOC # [ 76.816292] lkdtm: attempting ok execution at c0c5426c # [ 76.824337] lkdtm: attempting bad execution at f096c000 # [ 76.832686] 8<--- cut here --- # [ 76.838779] Unable to handle kernel paging request at virtual address f096c000 # [ 76.848648] pgd = 3175eef1 # [ 76.854485] [f096c000] *pgd=1294b811, *pte=49a2665f, *ppte=49a2645f # [ 76.863906] Internal error: Oops: 8000000f [#6] SMP ARM # [ 76.872186] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 76.904153] CPU: 2 PID: 1911 Comm: cat Tainted: G D W 5.10.178-cip31 #1 # [ 76.914495] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 76.923283] PC is at 0xf096c000 # [ 76.928943] LR is at execute_location+0xa4/0xb4 # [ 76.936157] pc : [] lr : [] psr: 600e0013 # [ 76.944593] sp : c68cfe30 ip : c68cfd38 fp : c68cfe4c # [ 76.951986] r10: 0000000d r9 : c1ad0e1c r8 : c15e8ccc # [ 76.959296] r7 : c68cff60 r6 : 00000001 r5 : f096c000 r4 : c0c5426c # [ 76.967990] r3 : 7f17fe88 r2 : 7f17fe88 r1 : ef7ab5e0 r0 : 0000002b # [ 76.976690] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 76.986165] Control: 10c5387d Table: 16e5004a DAC: 00000051 # [ 76.994084] Process cat (pid: 1911, stack limit = 0xce642e70) # [ 77.002256] Stack: (0xc68cfe30 to 0xc68d0000) # [ 77.008872] fe20: f096c000 c5ee4000 0000000d c68cff60 # [ 77.019478] fe40: c68cfe64 c68cfe50 c0c542f0 c13bcd88 00000022 c5ee4000 c68cfe74 c68cfe68 # [ 77.030085] fe60: c0c534fc c0c542d4 c68cfe9c c68cfe78 c0c539fc c0c534dc c0c538dc c5af8dc0 # [ 77.040691] fe80: b6e4d000 0000000d c30249c0 c68cff60 c68cfec4 c68cfea0 c07dfee4 c0c538e8 # [ 77.051383] fea0: 00000000 c5af8dc0 b6e4d000 c2815800 c68cff60 c07dfe80 c68cff5c c68cfec8 # [ 77.061991] fec0: c059a8f8 c07dfe8c 00000001 00000000 c059aea4 c13d2310 c059aea4 c68ce000 # [ 77.072683] fee0: b6e4d000 00020000 00000004 0000000d 0001fff3 c68cfee0 00000001 b6e4c000 # [ 77.083287] ff00: c5886780 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 77.093894] ff20: 00000000 00000000 c13d2310 7f17fe88 c205e6a0 c5af8dc0 c5af8dc0 c68ce000 # [ 77.104587] ff40: b6e4d000 00000000 00000000 00000004 c68cff94 c68cff60 c059aea4 c059a7f8 # [ 77.115281] ff60: 00000000 00000000 c68cffac 7f17fe88 0000000d 0000000d b6f94e00 00000004 # [ 77.125972] ff80: c03002e4 c68ce000 c68cffa4 c68cff98 c059af34 c059ae3c 00000000 c68cffa8 # [ 77.136577] ffa0: c03000c0 c059af28 0000000d 0000000d 00000001 b6e4d000 0000000d 00000000 # [ 77.147099] ffc0: 0000000d 0000000d b6f94e00 00000004 00000001 00000000 00020000 beb60ac4 # [ 77.157705] ffe0: 00000004 beb607f8 b6eff4cf b6e857e6 800e0030 00000001 00000000 00000000 # [ 77.168390] Backtrace: # [ 77.173283] [] (execute_location) from [] (lkdtm_EXEC_VMALLOC+0x28/0x34) # [ 77.184749] r7:c68cff60 r6:0000000d r5:c5ee4000 r4:f096c000 # [ 77.192925] [] (lkdtm_EXEC_VMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) # [ 77.203703] r5:c5ee4000 r4:00000022 # [ 77.209540] [] (lkd<6>[ 77.762416] lkdtm: Performing direct entry EXEC_RODATA tm_do_action) from [<<6c>0[c 5 3 77.769841] lkdtm: attempting ok execution at c0c5426c fc>] (direct_entry+0x120/0x18c) <6>[ 77.777692] lkdtm: attempting bad execution at c15e8f68 # [ 77.220065] [] (di<1>[ 77.785933] 8<--- cut here --- rect_entry) from [<<1>c[0 7 d f7e.792035] Unable to handle kernel paging request at virtual address c15e8f68 e4>] (full_proxy_wt[e + 0 x77.801600] pgd = f769c1eb 4/0x94) # [ 77.231012] r9:c68<1>[ 77.806742] [c15e8f68] *pgd=1141941e(bad) cff60 r8:c30249c0 r7:0000000d r6:<0>[ 77.813888] Internal error: Oops: 8000000d [#7] SMP ARM b6e4d000 r5:c5af8dc0 r4:c0c538dc <4>[ 77.822229] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 77.241275] [] (f<4>[ 77.854203] CPU: 1 PID: 1988 Comm: cat Tainted: G D W 5.10.178-cip31 #1 ull_proxy_write) from [[ 77.865058] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) >] (vfs_write+0x10c/0x53c) # [ <4>[ 77.874556] PC is at lkdtm_rodata_do_nothing+0x0/0x10 77.251963] r9:c07dfe80 r8:c68cf<4>[ 77.882717] LR is at execute_location+0xa4/0xb4 f60 r7:c2815800 r6:b6e4d000 [ 77.890364] pc : [] lr : [] psr: 600e0013 c5af8dc0 r4:00000000 # [ <747>[ 77.899492] sp : c5bcfe38 ip : c5bcfd40 fp : c5bcfe54 262309] [] (vfs_wr[ 77.907578] r10: 0000000c r9 : c1ad0e2c r8 : c15e8ccc ) from [] (ksys_wri<4t>[ 77.915667] r7 : c5bcff60 r6 : 00000000 r5 : c15e8f68 r4 : c0c5426c +0x74/0xec) # [ 77.27204<64]> 77.925056] r3 : 73e4ae94 r2 : 73e4ae94 r1 : ef7965e0 r0 : 0000002b r10:00000004 r9:00000000 r8:00004>[ 77.934362] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none 0000 r7:b6e4d000 r6:c68ce000 [ 77.953142] Process cat (pid: 1988, stack limit = 0xd64589e6) 5af8dc0 # [ 77.283809] [[ 77.961922] Stack: (0xc5bcfe38 to 0xc5bd0000) ae30>] (ksys_write) from [[ 77.969234] fe20: 00000023 c6c3d000 34>] (sys_write+0x18/0x1c) # [ <0>[ 77.980451] fe40: 0000000c c5bcff60 c5bcfe64 c5bcfe58 c13bd008 c13bcd88 c5bcfe74 c5bcfe68 77.291219] r9:c68ce000 r8:c0300<0>[ 77.991749] fe60: c0c534fc c13bcff0 c5bcfe9c c5bcfe78 c0c539fc c0c534dc c0c538dc c5886140 2e4 r7:00000004 r6:b6f94e00 r5:00<0>[ 78.003051] fe80: b6de7000 0000000c c30249c0 c5bcff60 c5bcfec4 c5bcfea0 c07dfee4 c0c538e8 00000d r4:0000000d # [ 77.2992<0>[ 78.014350] fea0: 00000000 c5886140 b6de7000 c2815800 c5bcff60 c07dfe80 c5bcff5c c5bcfec8 42] [] (sys_write) from<0>[ 78.025649] fec0: c059a8f8 c07dfe8c 00000001 00000000 c059aea4 c59b8e24 c059aea4 c5bce000 [] (ret_fast_syscall+0<0>[ 78.036948] fee0: b6de7000 00020000 00000004 0000000c 0001fff4 c5bcfee0 00000001 00000805 x0/0x28) # [ 77.307081] Except<0>[ 78.048246] ff00: c5ab0500 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ion stack(0xc68cffa8 to 0xc68cfff<0>[ 78.059548] ff20: 00000000 00000000 c5bce000 73e4ae94 b6de6000 c5886140 c5886140 c5bce000 0) # [ 77.312408] ffa0: <0>[ 78.070846] ff40: b6de7000 00000000 00000000 00000004 c5bcff94 c5bcff60 c059aea4 c059a7f8 0000000d 0000000d 000<0>[ 78.082147] ff60: 00000000 00000000 c5bcffac 73e4ae94 0000000c 0000000c b6f2ee00 00000004 00001 b6e4d000 0000000d 00000000 <0>[ 78.093447] ff80: c03002e4 c5bce000 c5bcffa4 c5bcff98 c059af34 c059ae3c 00000000 c5bcffa8 # [ 77.320858] ffc0: 0000000d <0>[ 78.104742] ffa0: c03000c0 c059af28 0000000c 0000000c 00000001 b6de7000 0000000c 00000000 0000000d b6f94e00 00000004 000000<0>[ 78.116046] ffc0: 0000000c 0000000c b6f2ee00 00000004 00000001 00000000 00020000 be916ac4 01 00000000 00020000 beb60ac4 # <0>[ 78.127343] ffe0: 00000004 be9167f8 b6e994cf b6e1f7e6 800e0030 00000001 00000000 00000000 [ 77.329305] ffe0: 00000004 beb<0>[ 78.138630] Backtrace: 607f8 b6eff4cf b6e857e6 # [ 77<0>[ 78.144220] [] (execute_location) from [] (lkdtm_EXEC_RODATA+0x24/0x28) .334635] Code: bad PC value # [ <0>[ 78.155684] r7:c5bcff60 r6:0000000c r5:c6c3d000 r4:00000023 77.338083] ---[ end trace 67efd<0>[ 78.164474] [] (lkdtm_EXEC_RODATA) from [] (lkdtm_do_action+0x2c/0x4c) 71f7116769c ]--- # EXEC_VMALLOC:<0>[ 78.175859] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) missing 'call trace:': [FAIL] n<0>[ 78.186992] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) ot ok 33 selftests: lkdtm: EXEC_V<0>[ 78.198023] r9:c5bcff60 r8:c30249c0 r7:0000000c r6:b6de7000 r5:c5886140 r4:c0c538dc MALLOC.sh # exit=1 # selftests: <0>[ 78.208900] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) lkdtm: EXEC_RODATA.sh <0>[ 78.219841] r9:c07dfe80 r8:c5bcff60 r7:c2815800 r6:b6de7000 r5:c5886140 r4:00000000 <0>[ 78.229841] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 78.237268] r10:00000004 r9:00000000 r8:00000000 r7:b6de7000 r6:c5bce000 r5:c5886140 <0>[ 78.245379] r4:c5886140 <0>[ 78.248211] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 78.255638] r9:c5bce000 r8:c03002e4 r7:00000004 r6:b6f2ee00 r5:0000000c r4:0000000c <0>[ 78.263679] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 78.271532] Exception stack(0xc5bcffa8 to 0xc5bcfff0) <0>[ 78.276875] ffa0: 0000000c 0000000c 00000001 b6de7000 0000000c 00000000 <0>[ 78.285347] ffc0: 0000000c 0000000c b6f2ee00 00000004 00000001 00000000 00020000 be916ac4 <0>[ 78.293809] ffe0: 00000004 be9167f8 b6e994cf b6e1f7e6 <0>[ 78.299154] Code: 5f727563 6e756f63 00000074 aa55aa55 (e1a0c00d) <4>[ 78.305542] ---[ end trace 67efd71f7116769d ]--- # Segmentation fault # [ 77.762416] lkdtm: Performing direct entry EXEC_RODATA # [ 77.769841] lkdtm: attempting ok execution at c0c5426c # [ 77.777692] lkdtm: attempting bad execution at c15e8f68 # [ 77.785933] 8<--- cut here --- # [ 77.792035] Unable to handle kernel paging request at virtual address c15e8f68 # [ 77.801600] pgd = f769c1eb # [ 77.806742] [c15e8f68] *pgd=1141941e(bad) # [ 77.813888] Internal error: Oops: 8000000d [#7] SMP ARM # [ 77.822229] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 77.854203] CPU: 1 PID: 1988 Comm: cat Tainted: G D W 5.10.178-cip31 #1 # [ 77.865058] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 77.874556] PC is at lkdtm_rodata_do_nothing+0x0/0x10 # [ 77.882717] LR is at execute_location+0xa4/0xb4 # [ 77.890364] pc : [] lr : [] psr: 600e0013 # [ 77.899492] sp : c5bcfe38 ip : c5bcfd40 fp : c5bcfe54 # [ 77.907578] r10: 0000000c r9 : c1ad0e2c r8 : c15e8ccc # [ 77.915667] r7 : c5bcff60 r6 : 00000000 r5 : c15e8f68 r4 : c0c5426c # [ 77.925056] r3 : 73e4ae94 r2 : 73e4ae94 r1 : ef7965e0 r0 : 0000002b # [ 77.934362] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 77.944532] Control: 10c5387d Table: 169f004a DAC: 00000051 # [ 77.953142] Process cat (pid: 1988, stack limit = 0xd64589e6) # [ 77.961922] Stack: (0xc5bcfe38 to 0xc5bd0000) # [ 77.969234] fe20: 00000023 c6c3d000 # [ 77.980451] fe40: 0000000c c5bcff60 c5bcfe64 c5bcfe58 c13bd008 c13bcd88 c5bcfe74 c5bcfe68 # [ 77.991749] fe60: c0c534fc c13bcff0 c5bcfe9c c5bcfe78 c0c539fc c0c534dc c0c538dc c5886140 # [ 78.003051] fe80: b6de7000 0000000c c30249c0 c5bcff60 c5bcfec4 c5bcfea0 c07dfee4 c0c538e8 # [ 78.014350] fea0: 00000000 c5886140 b6de7000 c2815800 c5bcff60 c07dfe80 c5bcff5c c5bcfec8 # [ 78.025649] fec0: c059a8f8 c07dfe8c 00000001 00000000 c059aea4 c59b8e24 c059aea4 c5bce000 # [ 78.036948] fee0: b6de7000 00020000 00000004 0000000c 0001fff4 c5bcfee0 00000001 00000805 # [ 78.048246] ff00: c5ab0500 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 78.059548] ff20: 00000000 00000000 c5bce000 73e4ae94 b6de6000 c5886140 c5886140 c5bce000 # [ 78.070846] ff40: b6de7000 00000000 00000000 00000004 c5bcff94 c5bcff60 c059aea4 c059a7f8 # [ 78.082147] ff60: 00000000 00000000 c5bcffac 73e4ae94 0000000c 0000000c b6f2ee00 00000004 # [ 78.093447] ff80: c03002e4 c5bce000 c5bcffa4 c5bcff98 c059af34 c059ae3c 00000000 c5bcffa8 # [ 78.104742] ffa0: c03000c0 c059af28 0000000c 0000000c 00000001 b6de7000 0000000c 00000000 # [ 78.116046] ffc0: 0000000c 0000000c b6f2ee00 00000004 00000001 00000000 00020000 be916ac4 # [ 78.127343] ffe0: 00000004 be9167f8 b6e994cf b6e1f7e6 800e0030 00000001 00000000 00000000 # [ 78.138630] Backtrace: # [ 78.144220] [] (execute_location) from [] (lkdtm_EXEC_RODATA+0x24/0x28) # [ 78.155684] r7:c5bcff60 r6:0000000c r5:c6c3d000 r4:00000023 # [ 78.164474] [] (lkdtm_EXEC_RODATA) from [] (lkdtm_do_action+0x2c/0x4c) # [ 78.175859] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 78.186992] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 78.198023] r9:c5bcff60 r8:c30249c0 r7:0000000c r6:b6de7000 r5:c5886140 r4:c0c538dc # [ 78.208900] [] (full_proxy_write) from <6>[ 78.720278] lkdtm: Performing direct entry EXEC_USERSPACE [] (vfs_write+0x10c/0x5<6>[ 78.727083] lkdtm: attempting ok execution at c0c5426c 3c) # [ 78.219841] r9:c07dfe8<6>[ 78.735825] lkdtm: attempting bad execution at b6f3a000 0 r8:c5bcff60 r7:c2815800 r6:b6de<1>[ 78.743712] Unhandled prefetch abort: page domain fault (0x00b) at 0xb6f3a000 7000 r5:c5886140 r4:0000<000>0[0 78.753905] Internal error: : b [#8] SMP ARM # [ 78.229841] [] (v<4>[ 78.760860] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 fs_write) from [] (ksys<4>[ 78.792838] CPU: 3 PID: 2064 Comm: cat Tainted: G D W 5.10.178-cip31 #1 _write+0x74/0xec) # [ 78.<243>[ 78.803697] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 268] r10:00000004 r9:00000000 r8<4>[ 78.813093] PC is at 0xb6f3a000 :00000000 r7:b6de7000 r6:c5bce000<4>[ 78.819364] LR is at lkdtm_EXEC_USERSPACE+0xc4/0xd4 r5:c5886140 # [ 78.245379] r4>[ 78.827353] pc : [] lr : [] psr: 600e0013 4:c5886140 # [ 78.248211<]4 >[ 78.836653] sp : c6c63e48 ip : c6c63d50 fp : c6c63e64 ] (ksys_write<)4 >f[r o 78.844652] r10: 0000000f r9 : c1ad0e38 r8 : c15e8ccc m [] (sys_write+08 78.852482] r7 : c6c63f60 r6 : 0000000f r5 : c6d39000 r4 : b6f3a000 /0x1c) # [ 78.255638] < 4r>9[: 78.861785] r3 : bdffa148 r2 : bdffa148 r1 : ef7c05e0 r0 : 0000002b c5bce000 r8:c03002e4 r7:00000004 4>[ 78.871007] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none r6:b6f2ee00 r5:0000000c r4:000<04>[ 78.881173] Control: 10c5387d Table: 16af804a DAC: 00000051 00c # [ 78.263679] [[ 78.889871] Process cat (pid: 2064, stack limit = 0x8005376c) >] (sys_write) from [[ 78.898565] Stack: (0xc6c63e48 to 0xc6c64000) ] (ret_fast_syscall+0x0/0x28) # <0>[ 78.905793] 3e40: 00000001 00000000 0000000f 00000024 c6c63e74 c6c63e68 [ 78.271532] Exception stack(0x<0>[ 78.917095] 3e60: c0c534fc c0c54308 c6c63e9c c6c63e78 c0c539fc c0c534dc c0c538dc c5886dc0 c5bcffa8 to 0xc5bcfff0) # [ 78<0>[ 78.928394] 3e80: b6df4000 0000000f c30249c0 c6c63f60 c6c63ec4 c6c63ea0 c07dfee4 c0c538e8 .276875] ffa0: <0>[ 78.939693] 3ea0: 00000000 c5886dc0 b6df4000 c2815800 c6c63f60 c07dfe80 c6c63f5c c6c63ec8 0000000c 0000000c 00000001 b6de70<0>[ 78.950993] 3ec0: c059a8f8 c07dfe8c 00000001 00000000 c059aea4 c2e59be4 c059aea4 c6c62000 00 0000000c 00000000 # [ 78.28<0>[ 78.962292] 3ee0: b6df4000 00020000 00000004 0000000f 0001fff1 c6c63ee0 00000001 00000805 5347] ffc0: 0000000c 0000000c b6f<0>[ 78.973590] 3f00: c5af8640 00000000 00000000 00000000 00000000 00000000 00000000 00000000 2ee00 00000004 00000001 00000000 <0>[ 78.984892] 3f20: 00000000 00000000 c6c62000 bdffa148 b6df3000 c5886dc0 c5886dc0 c6c62000 00020000 be916ac4 # [ 78.29380<0>[ 78.996192] 3f40: b6df4000 00000000 00000000 00000004 c6c63f94 c6c63f60 c059aea4 c059a7f8 9] ffe0: 00000004 be9167f8 b6e994<0>[ 79.007491] 3f60: 00000000 00000000 c6c63fac bdffa148 0000000f 0000000f b6f3be00 00000004 cf b6e1f7e6 # [ 78.299154] Cod<0>[ 79.018790] 3f80: c03002e4 c6c62000 c6c63fa4 c6c63f98 c059af34 c059ae3c 00000000 c6c63fa8 e: 5f727563 6e756f63 00000074 aa5<0>[ 79.030088] 3fa0: c03000c0 c059af28 0000000f 0000000f 00000001 b6df4000 0000000f 00000000 5aa55 (e1a0c00d) # [ 78.30554<0>[ 79.041388] 3fc0: 0000000f 0000000f b6f3be00 00000004 00000001 00000000 00020000 beec8ac4 2] ---[ end trace 67efd71f7116769<0>[ 79.052687] 3fe0: 00000004 beec87f8 b6ea64cf b6e2c7e6 800e0030 00000001 00000000 00000000 d ]--- # EXEC_RODATA: missing 'c<0>[ 79.063974] Backtrace: all trace:': [FAIL] not ok 34 se<0>[ 79.069570] [] (lkdtm_EXEC_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) lftests: lkdtm: EXEC_RODATA.sh< 0>[ 79.081197] r4:00000024 exit=1 # selftests: lkdtm: EXEC<0>[ 79.086693] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) _USERSPACE.sh <0>[ 79.097829] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 79.107294] r9:c6c63f60 r8:c30249c0 r7:0000000f r6:b6df4000 r5:c5886dc0 r4:c0c538dc <0>[ 79.115343] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 79.123465] r9:c07dfe80 r8:c6c63f60 r7:c2815800 r6:b6df4000 r5:c5886dc0 r4:00000000 <0>[ 79.131502] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 79.138929] r10:00000004 r9:00000000 r8:00000000 r7:b6df4000 r6:c6c62000 r5:c5886dc0 <0>[ 79.147039] r4:c5886dc0 <0>[ 79.149866] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 79.157294] r9:c6c62000 r8:c03002e4 r7:00000004 r6:b6f3be00 r5:0000000f r4:0000000f <0>[ 79.165335] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 79.173186] Exception stack(0xc6c63fa8 to 0xc6c63ff0) <0>[ 79.178526] 3fa0: 0000000f 0000000f 00000001 b6df4000 0000000f 00000000 <0>[ 79.186994] 3fc0: 0000000f 0000000f b6f3be00 00000004 00000001 00000000 00020000 beec8ac4 <0>[ 79.195458] 3fe0: 00000004 beec87f8 b6ea64cf b6e2c7e6 <0>[ 79.200807] Code: bad PC value <4>[ 79.204158] ---[ end trace 67efd71f7116769e ]--- # Segmentation fault # [ 78.720278] lkdtm: Performing direct entry EXEC_USERSPACE # [ 78.727083] lkdtm: attempting ok execution at c0c5426c # [ 78.735825] lkdtm: attempting bad execution at b6f3a000 # [ 78.743712] Unhandled prefetch abort: page domain fault (0x00b) at 0xb6f3a000 # [ 78.753905] Internal error: : b [#8] SMP ARM # [ 78.760860] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 78.792838] CPU: 3 PID: 2064 Comm: cat Tainted: G D W 5.10.178-cip31 #1 # [ 78.803697] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 78.813093] PC is at 0xb6f3a000 # [ 78.819364] LR is at lkdtm_EXEC_USERSPACE+0xc4/0xd4 # [ 78.827353] pc : [] lr : [] psr: 600e0013 # [ 78.836653] sp : c6c63e48 ip : c6c63d50 fp : c6c63e64 # [ 78.844652] r10: 0000000f r9 : c1ad0e38 r8 : c15e8ccc # [ 78.852482] r7 : c6c63f60 r6 : 0000000f r5 : c6d39000 r4 : b6f3a000 # [ 78.861785] r3 : bdffa148 r2 : bdffa148 r1 : ef7c05e0 r0 : 0000002b # [ 78.871007] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 78.881173] Control: 10c5387d Table: 16af804a DAC: 00000051 # [ 78.889871] Process cat (pid: 2064, stack limit = 0x8005376c) # [ 78.898565] Stack: (0xc6c63e48 to 0xc6c64000) # [ 78.905793] 3e40: 00000001 00000000 0000000f 00000024 c6c63e74 c6c63e68 # [ 78.917095] 3e60: c0c534fc c0c54308 c6c63e9c c6c63e78 c0c539fc c0c534dc c0c538dc c5886dc0 # [ 78.928394] 3e80: b6df4000 0000000f c30249c0 c6c63f60 c6c63ec4 c6c63ea0 c07dfee4 c0c538e8 # [ 78.939693] 3ea0: 00000000 c5886dc0 b6df4000 c2815800 c6c63f60 c07dfe80 c6c63f5c c6c63ec8 # [ 78.950993] 3ec0: c059a8f8 c07dfe8c 00000001 00000000 c059aea4 c2e59be4 c059aea4 c6c62000 # [ 78.962292] 3ee0: b6df4000 00020000 00000004 0000000f 0001fff1 c6c63ee0 00000001 00000805 # [ 78.973590] 3f00: c5af8640 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 78.984892] 3f20: 00000000 00000000 c6c62000 bdffa148 b6df3000 c5886dc0 c5886dc0 c6c62000 # [ 78.996192] 3f40: b6df4000 00000000 00000000 00000004 c6c63f94 c6c63f60 c059aea4 c059a7f8 # [ 79.007491] 3f60: 00000000 00000000 c6c63fac bdffa148 0000000f 0000000f b6f3be00 00000004 # [ 79.018790] 3f80: c03002e4 c6c62000 c6c63fa4 c6c63f98 c059af34 c059ae3c 00000000 c6c63fa8 # [ 79.030088] 3fa0: c03000c0 c059af28 0000000f 0000000f 00000001 b6df4000 0000000f 00000000 # [ 79.041388] 3fc0: 0000000f 0000000f b6f3be00 00000004 00000001 00000000 00020000 beec8ac4 # [ 79.052687] 3fe0: 00000004 beec87f8 b6ea64cf b6e2c7e6 800e0030 00000001 00000000 00000000 # [ 79.063974] Backtrace: # [ 79.069570] [] (lkdtm_EXEC_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 79.081197] r4:00000024 # [ 79.086693] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 79.097829] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 79.107294] r9:c6c63f60 r8:c30249c0 r7:0000000f r6:b6df4000 r5:c5886dc0 r4:c0c538dc # [ 79.115343] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 79.123465] r9:c07dfe80 r8:c6c63f60 r7:c2815800 r6:b6df4000 r5:c5886dc0 r4:00000000 # [ 79.131502] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 79.138929] r10:00000004 r9:00000000 r8:00000000 r7:b6df4000 r6:c6c62000 r5:c5886dc0 # [ 79.147039] r4:c5886dc0 # [ 79.149866] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 79.157294] r9:c6c62000 r8:c03002e4 r7:00000004 r6:b6f3be00 r5:00<6>[ 79.634807] lkdtm: Performing direct entry EXEC_NULL 00000f r4:0000000f #< 6[> [ 779.640752] lkdtm: attempting ok execution at c0c5426c 9.165335] [] (sys_write<6>[ 79.648454] lkdtm: attempting bad execution at 00000000 ) from [] (ret_fast_sys<1>[ 79.656975] 8<--- cut here --- call+0x0/0x28) # [ 79.173186] <1>[ 79.662992] Unable to handle kernel NULL pointer dereference at virtual address 00000000 Exception stack(0xc6c63fa8 to 0xc<1>[ 79.674214] pgd = 1269b543 6c63ff0) # [ 79.178526] 3fa0: <1>[ 79.679998] [00000000] *pgd=00000000 0000000f 000000<0>[ 79.686749] Internal error: Oops: 80000005 [#9] SMP ARM 0f 00000001 b6df4000 0000000f 000<4>[ 79.695045] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 00000 # [ 79.186994<]4 >3[f c 79.727009] CPU: 3 PID: 2135 Comm: cat Tainted: G D W 5.10.178-cip31 #1 : 0000000f 0<040>0[0 0 0 f7 9b.6737349] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 3be00 00000004 00000<040>1[ 0 0 79.746050] PC is at 0x0 00000 00020000 beec8a [ # 79.751101] LR is at execute_location+0xa4/0xb4 [ 79.1<945>4[5 8 ] 739f.e705:8141] pc : [<00000000>] lr : [] psr: 600e0013 00000004 e[c 8 7 f789 .b766e402] sp : c5bcfe38 ip : c5bcfd40 fp : c5bcfe54 a64cf b6c[7 e 6 7 9 .#7 7[3 22] r10: 0000000a r9 : c1ad0e48 r8 : c15e8ccc 79.2008<047>][ C o d7e9:. 7b8a755] r7 : c5bcff60 r6 : 00000000 r5 : 00000000 r4 : c0c5426c d PC value< 4 >#[ [ 7 97.97.89278] r3 : 9d72021d r2 : 9d72021d r1 : ef7c05e0 r0 : 0000002b 04158] ---[ en [t r a c7e9 .697888] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none 7efd71f7116<746>9[e ] -7-9-. 8 7190] Control: 10c5387d Table: 16f2804a DAC: 00000051 # EXEC_USERSPAC [m i s s7i9n815021] Process cat (pid: 2135, stack limit = 0xd64589e6) g 'call tra:[' : [7F9A.I8L3019] Stack: (0xc5bcfe38 to 0xc5bd0000) ] not ok 35 set[e s t7s9:.829459] fe20: 00000025 c6d3a000 lkdtm: EXEC_USERSPE[. s h 79.839894] fe40: 0000000a c5bcff60 c5bcfe64 c5bcfe58 c13bd02c c13bcd88 c5bcfe74 c5bcfe68 exit=1 # selftt[s : l7k9.850499] fe60: c0c534fc c13bd018 c5bcfe9c c5bcfe78 c0c539fc c0c534dc c0c538dc c58863c0 tm: EXEC_NULL.sh < 0>[ 79.861018] fe80: b6dc3000 0000000a c30249c0 c5bcff60 c5bcfec4 c5bcfea0 c07dfee4 c0c538e8 <0>[ 79.871016] fea0: 00000000 c58863c0 b6dc3000 c2815800 c5bcff60 c07dfe80 c5bcff5c c5bcfec8 <0>[ 79.879464] fec0: c059a8f8 c07dfe8c 00000001 00000000 c059aea4 c13d2310 c059aea4 c5bce000 <0>[ 79.887909] fee0: b6dc3000 00020000 00000004 0000000a 0001fff6 c5bcfee0 00000001 b6dc2000 <0>[ 79.896356] ff00: c5ab1900 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 79.904801] ff20: 00000000 00000000 c13d2310 9d72021d c205e6a0 c58863c0 c58863c0 c5bce000 <0>[ 79.913247] ff40: b6dc3000 00000000 00000000 00000004 c5bcff94 c5bcff60 c059aea4 c059a7f8 <0>[ 79.921694] ff60: 00000000 00000000 c5bcffac 9d72021d 0000000a 0000000a b6f0ae00 00000004 <0>[ 79.930139] ff80: c03002e4 c5bce000 c5bcffa4 c5bcff98 c059af34 c059ae3c 00000000 c5bcffa8 <0>[ 79.938584] ffa0: c03000c0 c059af28 0000000a 0000000a 00000001 b6dc3000 0000000a 00000000 <0>[ 79.947031] ffc0: 0000000a 0000000a b6f0ae00 00000004 00000001 00000000 00020000 beca2ac4 <0>[ 79.955478] ffe0: 00000004 beca27f8 b6e754cf b6dfb7e6 800e0030 00000001 00000000 00000000 <0>[ 79.963919] Backtrace: <0>[ 79.966647] [] (execute_location) from [] (lkdtm_EXEC_NULL+0x20/0x24) <0>[ 79.975094] r7:c5bcff60 r6:0000000a r5:c6d3a000 r4:00000025 <0>[ 79.981027] [] (lkdtm_EXEC_NULL) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 79.989388] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 79.997667] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 80.005854] r9:c5bcff60 r8:c30249c0 r7:0000000a r6:b6dc3000 r5:c58863c0 r4:c0c538dc <0>[ 80.013873] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 80.021973] r9:c07dfe80 r8:c5bcff60 r7:c2815800 r6:b6dc3000 r5:c58863c0 r4:00000000 <0>[ 80.029986] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 80.037391] r10:00000004 r9:00000000 r8:00000000 r7:b6dc3000 r6:c5bce000 r5:c58863c0 <0>[ 80.045484] r4:c58863c0 <0>[ 80.048288] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 80.055692] r9:c5bce000 r8:c03002e4 r7:00000004 r6:b6f0ae00 r5:0000000a r4:0000000a <0>[ 80.063709] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 80.071544] Exception stack(0xc5bcffa8 to 0xc5bcfff0) <0>[ 80.076864] ffa0: 0000000a 0000000a 00000001 b6dc3000 0000000a 00000000 <0>[ 80.085310] ffc0: 0000000a 0000000a b6f0ae00 00000004 00000001 00000000 00020000 beca2ac4 <0>[ 80.093754] ffe0: 00000004 beca27f8 b6e754cf b6dfb7e6 <0>[ 80.099078] Code: bad PC value <4>[ 80.102476] ---[ end trace 67efd71f7116769f ]--- # Segmentation fault # [ 79.634807] lkdtm: Performing direct entry EXEC_NULL # [ 79.640752] lkdtm: attempting ok execution at c0c5426c # [ 79.648454] lkdtm: attempting bad execution at 00000000 # [ 79.656975] 8<--- cut here --- # [ 79.662992] Unable to handle kernel NULL pointer dereference at virtual address 00000000 # [ 79.674214] pgd = 1269b543 # [ 79.679998] [00000000] *pgd=00000000 # [ 79.686749] Internal error: Oops: 80000005 [#9] SMP ARM # [ 79.695045] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 79.727009] CPU: 3 PID: 2135 Comm: cat Tainted: G D W 5.10.178-cip31 #1 # [ 79.737349] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 79.746050] PC is at 0x0 # [ 79.751101] LR is at execute_location+0xa4/0xb4 # [ 79.758141] pc : [<00000000>] lr : [] psr: 600e0013 # [ 79.766402] sp : c5bcfe38 ip : c5bcfd40 fp : c5bcfe54 # [ 79.773622] r10: 0000000a r9 : c1ad0e48 r8 : c15e8ccc # [ 79.780755] r7 : c5bcff60 r6 : 00000000 r5 : 00000000 r4 : c0c5426c # [ 79.789278] r3 : 9d72021d r2 : 9d72021d r1 : ef7c05e0 r0 : 0000002b # [ 79.797888] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 79.807190] Control: 10c5387d Table: 16f2804a DAC: 00000051 # [ 79.815021] Process cat (pid: 2135, stack limit = 0xd64589e6) # [ 79.823019] Stack: (0xc5bcfe38 to 0xc5bd0000) # [ 79.829459] fe20: 00000025 c6d3a000 # [ 79.839894] fe40: 0000000a c5bcff60 c5bcfe64 c5bcfe58 c13bd02c c13bcd88 c5bcfe74 c5bcfe68 # [ 79.850499] fe60: c0c534fc c13bd018 c5bcfe9c c5bcfe78 c0c539fc c0c534dc c0c538dc c58863c0 # [ 79.861018] fe80: b6dc3000 0000000a c30249c0 c5bcff60 c5bcfec4 c5bcfea0 c07dfee4 c0c538e8 # [ 79.871016] fea0: 00000000 c58863c0 b6dc3000 c2815800 c5bcff60 c07dfe80 c5bcff5c c5bcfec8 # [ 79.879464] fec0: c059a8f8 c07dfe8c 00000001 00000000 c059aea4 c13d2310 c059aea4 c5bce000 # [ 79.887909] fee0: b6dc3000 00020000 00000004 0000000a 0001fff6 c5bcfee0 00000001 b6dc2000 # [ 79.896356] ff00: c5ab1900 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 79.904801] ff20: 00000000 00000000 c13d2310 9d72021d c205e6a0 c58863c0 c58863c0 c5bce000 # [ 79.913247] ff40: b6dc3000 00000000 00000000 00000004 c5bcff94 c5bcff60 c059aea4 c059a7f8 # [ 79.921694] ff60: 00000000 00000000 c5bcffac 9d72021d 0000000a 0000000a b6f0ae00 00000004 # [ 79.930139] ff80: c03002e4 c5bce000 c5bcffa4 c5bcff98 c059af34 c059ae3c 00000000 c5bcffa8 # [ 79.938584] ffa0: c03000c0 c059af28 0000000a 0000000a 00000001 b6dc3000 0000000a 00000000 # [ 79.947031] ffc0: 0000000a 0000000a b6f0ae00 00000004 00000001 00000000 00020000 beca2ac4 # [ 79.955478] ffe0: 00000004 beca27f8 b6e754cf b6dfb7e6 800e0030 00000001 00000000 00000000 # [ 79.963919] Backtrace: # [ 79.966647] [] (execute_location) from [] (lkdtm_EXEC_NULL+0x20/0x24) # [ 79.975094] r7:c5bcff60 r6:0000000a r5:c6d3a000 r4:00000025 # [ 79.981027] [] (lkdtm_EXEC_NULL) from [] (lkdtm_do_action+0x2c/0x4c) # [ 79.989388] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 79.997667] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 80.005854] r9:c5bcff60 r8:c30249c0 r7:0000000a r6:b6dc3000 r5:c58863c0 r4:c0c538dc # [ 80.013873] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 80.021973] r9:c07dfe80 r8:c5bcff60 r7:c2815800 r6:b6dc3000 r5:c58863c0 r4:00000000 # [ 80.029986] [[ 80.530644] lkdtm: Performing direct entry ACCESS_USERSPACE ec>] (vfs_write) from [<6>[ 80.539036] lkdtm: attempting bad read at b6f9c000 ] (ksys_write+0x74/0xec) # [ 8<1>[ 80.546753] 8<--- cut here --- 0.037391] r10:00000004 r9:0000<0>[ 80.552864] Unhandled fault: page domain fault (0x01b) at 0xb6f9c000 000 r8:00000000 r7:b63[0 0 80.562172] pgd = f769c1eb r6:c5bce000 r5:c58863c0 # [ 8<1>[ 80.567402] [b6f9c000] *pgd=49095831 0.045484] r4:c58863c0 # [ <08[ 80.574117] Internal error: : 1b [#10] SMP ARM 0.048288] [] (ksys_writ<4>[ 80.581427] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 e) from [] (sys_write+0<4>[ 80.613405] CPU: 2 PID: 2211 Comm: cat Tainted: G D W 5.10.178-cip31 #1 x18/0x1c) # [ 80.<045>5[6 9 2 80.624264] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) r9:c5bce000 r8:c03002e4 r7:0000<4>[ 80.633332] PC is at lkdtm_ACCESS_USERSPACE+0x114/0x16c 0004 r6:b6f0ae00 r5:0000000a r4:0<4>[ 80.641692] LR is at __irq_work_queue_local+0x40/0x74 000000a # [ 80.06370<94]> [[ < 80.649854] pc : [] lr : [] psr: 600e0013 c059af1c>] (sys_wri)[ f r o0.658730] sp : c47ebe38 ip : c47ebd40 fp : c47ebe64 m [] (r_[f a s t8_.666389] r10: 00000011 r9 : c1ad0e54 r8 : c15e8ccc syscall+0x0/0x28) <#4 >[[ 80.673964] r7 : c47ebf60 r6 : 00000051 r5 : c47ea000 r4 : b6f9c000 0.071544] Exception s[c k ( 80.682928] r3 : e5528aba r2 : e5528aba r1 : ef7ab5e0 r0 : 00000026 xc5bcffa8 to 0xc5bcfff0) # <[4 >[ 80.691981] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none 80.076864] ffa0: < 4 > [ 80.701981] Control: 10c5387d Table: 169f004a DAC: 00000051 0000000a 000000<00a> [0 80.710251] Process cat (pid: 2211, stack limit = 0xe744fd78) 000001 b6dc3000 0000<000>0[a 0 80.718689] Stack: (0xc47ebe38 to 0xc47ec000) 000000 # [ 80.085310] ff: 80.725573] be20: 00000022 00000000 0000000a 0000000a b6f0ae00 00000<0>[ 80.736540] be40: 00000000 e5528aba c47ebe6c 00000026 c5ee4000 00000011 c47ebe74 c47ebe68 004 00000001 00000000 00020000 be<0>[ 80.747845] be60: c0c534fc c0c543dc c47ebe9c c47ebe78 c0c539fc c0c534dc c0c538dc c6b337c0 ca2ac4 # [ 80.093754] ffe0: 00<0>[ 80.759151] be80: b6e56000 00000011 c30249c0 c47ebf60 c47ebec4 c47ebea0 c07dfee4 c0c538e8 000004 beca27f8 b6e754cf b6dfb7e60>[ 80.770457] bea0: 00000000 c6b337c0 b6e56000 c2815800 c47ebf60 c07dfe80 c47ebf5c c47ebec8 # [ 80.099078] Code: bad PC <0>[ 80.781676] bec0: c059a8f8 c07dfe8c 00000001 00000000 c059aea4 c13d2310 c059aea4 c47ea000 alue # [ 80.102476] ---[ end <0>[ 80.792895] bee0: b6e56000 00020000 00000004 00000011 0001ffef c47ebee0 00000001 b6e55000 race 67efd71f7116769f ]--- # E[ 80.804113] bf00: c5a4adc0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 EC_NULL: missing 'call trace:': [0>[ 80.815248] bf20: 00000000 00000000 c13d2310 e5528aba c205e6a0 c6b337c0 c6b337c0 c47ea000 FAIL] not ok 36 selftests: lkd[ 80.826467] bf40: b6e56000 00000000 00000000 00000004 c47ebf94 c47ebf60 c059aea4 c059a7f8 m: EXEC_NULL.sh # exit=1 # selft0>[ 80.837602] bf60: 00000000 00000000 c47ebfac e5528aba 00000011 00000011 b6f9de00 00000004 ests: lkdtm: ACCESS_USERSPACE.sh 0>[ 80.848821] bf80: c03002e4 c47ea000 c47ebfa4 c47ebf98 c059af34 c059ae3c 00000000 c47ebfa8 <0>[ 80.860039] bfa0: c03000c0 c059af28 00000011 00000011 00000001 b6e56000 00000011 00000000 <0>[ 80.868570] bfc0: 00000011 00000011 b6f9de00 00000004 00000001 00000000 00020000 bebaeac4 <0>[ 80.877038] bfe0: 00000004 bebae7f8 b6f084cf b6e8e7e6 800e0030 00000001 00000000 00000000 <0>[ 80.885493] Backtrace: <0>[ 80.888251] [] (lkdtm_ACCESS_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 80.897239] r6:00000011 r5:c5ee4000 r4:00000026 <0>[ 80.902152] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 80.910459] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 80.918670] r9:c47ebf60 r8:c30249c0 r7:00000011 r6:b6e56000 r5:c6b337c0 r4:c0c538dc <0>[ 80.926717] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 80.934840] r9:c07dfe80 r8:c47ebf60 r7:c2815800 r6:b6e56000 r5:c6b337c0 r4:00000000 <0>[ 80.942878] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 80.950306] r10:00000004 r9:00000000 r8:00000000 r7:b6e56000 r6:c47ea000 r5:c6b337c0 <0>[ 80.958416] r4:c6b337c0 <0>[ 80.961245] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 80.968672] r9:c47ea000 r8:c03002e4 r7:00000004 r6:b6f9de00 r5:00000011 r4:00000011 <0>[ 80.976711] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 80.984563] Exception stack(0xc47ebfa8 to 0xc47ebff0) <0>[ 80.989906] bfa0: 00000011 00000011 00000001 b6e56000 00000011 00000000 <0>[ 80.998376] bfc0: 00000011 00000011 b6f9de00 00000004 00000001 00000000 00020000 bebaeac4 <0>[ 81.006839] bfe0: 00000004 bebae7f8 b6f084cf b6e8e7e6 <0>[ 81.012184] Code: e1a01004 e3010d78 e34c01ad eb1d76de (e5943000) <4>[ 81.018570] ---[ end trace 67efd71f711676a0 ]--- # Segmentation fault # [ 80.530644] lkdtm: Performing direct entry ACCESS_USERSPACE # [ 80.539036] lkdtm: attempting bad read at b6f9c000 # [ 80.546753] 8<--- cut here --- # [ 80.552864] Unhandled fault: page domain fault (0x01b) at 0xb6f9c000 # [ 80.562172] pgd = f769c1eb # [ 80.567402] [b6f9c000] *pgd=49095831 # [ 80.574117] Internal error: : 1b [#10] SMP ARM # [ 80.581427] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 80.613405] CPU: 2 PID: 2211 Comm: cat Tainted: G D W 5.10.178-cip31 #1 # [ 80.624264] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 80.633332] PC is at lkdtm_ACCESS_USERSPACE+0x114/0x16c # [ 80.641692] LR is at __irq_work_queue_local+0x40/0x74 # [ 80.649854] pc : [] lr : [] psr: 600e0013 # [ 80.658730] sp : c47ebe38 ip : c47ebd40 fp : c47ebe64 # [ 80.666389] r10: 00000011 r9 : c1ad0e54 r8 : c15e8ccc # [ 80.673964] r7 : c47ebf60 r6 : 00000051 r5 : c47ea000 r4 : b6f9c000 # [ 80.682928] r3 : e5528aba r2 : e5528aba r1 : ef7ab5e0 r0 : 00000026 # [ 80.691981] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 80.701981] Control: 10c5387d Table: 169f004a DAC: 00000051 # [ 80.710251] Process cat (pid: 2211, stack limit = 0xe744fd78) # [ 80.718689] Stack: (0xc47ebe38 to 0xc47ec000) # [ 80.725573] be20: 00000022 00000000 # [ 80.736540] be40: 00000000 e5528aba c47ebe6c 00000026 c5ee4000 00000011 c47ebe74 c47ebe68 # [ 80.747845] be60: c0c534fc c0c543dc c47ebe9c c47ebe78 c0c539fc c0c534dc c0c538dc c6b337c0 # [ 80.759151] be80: b6e56000 00000011 c30249c0 c47ebf60 c47ebec4 c47ebea0 c07dfee4 c0c538e8 # [ 80.770457] bea0: 00000000 c6b337c0 b6e56000 c2815800 c47ebf60 c07dfe80 c47ebf5c c47ebec8 # [ 80.781676] bec0: c059a8f8 c07dfe8c 00000001 00000000 c059aea4 c13d2310 c059aea4 c47ea000 # [ 80.792895] bee0: b6e56000 00020000 00000004 00000011 0001ffef c47ebee0 00000001 b6e55000 # [ 80.804113] bf00: c5a4adc0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 80.815248] bf20: 00000000 00000000 c13d2310 e5528aba c205e6a0 c6b337c0 c6b337c0 c47ea000 # [ 80.826467] bf40: b6e56000 00000000 00000000 00000004 c47ebf94 c47ebf60 c059aea4 c059a7f8 # [ 80.837602] bf60: 00000000 00000000 c47ebfac e5528aba 00000011 00000011 b6f9de00 00000004 # [ 80.848821] bf80: c03002e4 c47ea000 c47ebfa4 c47ebf98 c059af34 c059ae3c 00000000 c47ebfa8 # [ 80.860039] bfa0: c03000c0 c059af28 00000011 00000011 00000001 b6e56000 00000011 00000000 # [ 80.868570] bfc0: 00000011 00000011 b6f9de00 00000004 00000001 00000000 00020000 bebaeac4 # [ 80.877038] bfe0: 00000004 bebae7f8 b6f084cf b6e8e7e6 800e0030 00000001 00000000 00000000 # [ 80.885493] Backtrace: # [ 80.888251] [] (lkdtm_ACCESS_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 80.897239] r6:00000011 r5:c5ee4000 r4:00000026 # [ 80.902152] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 80.910459] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 80.918670] r9:c47ebf60 r8:c30249c0 r7:00000011 r6:b6e56000 r5:c6b337c0 r4:c0c538dc # [ 80.926717] [<<6>[ 81.482484] lkdtm: Performing direct entry ACCESS_NULL c07dfe80>] (full_px[y _ w r81.489836] lkdtm: attempting bad read at 00000000 te) from [] (vfs_write+<1>[ 81.497231] 8<--- cut here --- 0x10c/0x53c) # [ 80.934840] r<1>[ 81.503359] Unable to handle kernel NULL pointer dereference at virtual address 00000000 9:c07dfe80 r8:c47ebf60 r7:c281580<1>[ 81.514589] pgd = 013997b6 0 r6:b6e56000 r5:c6b337c0 r4:0000<1>[ 81.520316] [00000000] *pgd=00000000 0000 # [ 80.942878] [[ 81.527046] Internal error: Oops: 5 [#11] SMP ARM >] (vfs_write) from [] <4>[ 81.534838] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 (ksys_write+0x74/0x)[ # 1.566801] CPU: 1 PID: 2286 Comm: cat Tainted: G D W 5.10.178-cip31 #1 [ 80.95030<64]> [ r 1 08:10.0576968] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 00004 r9:00000000 r8:00000<040>0[ 81.585676] PC is at lkdtm_ACCESS_NULL+0x28/0x68 r7:b6e56000 r6:c47ea000 r<54:>c[6 81.593070] LR is at __irq_work_queue_local+0x40/0x74 b337c0 # [< 4 > [8 0 .8915.86400800] pc : [] lr : [] psr: 600e0013 6] r4:c63[7 c 0 8 1#. 6[0 148] sp : c699be50 ip : c699bd58 fp : c699be64 80.96124<54]> [[ < c 08519.a6e16369] r10: 0000000c r9 : c1ad0e68 r8 : c15e8ccc 0>] (ks_[w r i t8e1.)6 2f3r674] r7 : c699bf60 r6 : 0000000c r5 : c5edd000 r4 : 00000000 m [>[] ( s8y1s._6w32111] r3 : 15688583 r2 : 15688583 r1 : ef7965e0 r0 : 00000026 ite+0x18/0x1c) < 4#> [[ 8810640721] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none .968672] r9<:4>c[4 7 e a8010.06 0109] Control: 10c5387d Table: 16e2004a DAC: 00000051 r8:c03002e4 r7<:00>0[0 0 0 08014.657938] Process cat (pid: 2286, stack limit = 0xef7ac7b9) r6:b6f9de00< 0r>5[: 0 0 08010.0615938] Stack: (0xc699be50 to 0xc699c000) 1 r4:00000011< 0 >#[ [ 8 18.072379] be40: 00000027 c5edd000 c699be74 c699be68 .976711] [1[ c > ]8 1(.682726] be60: c0c534fc c13bd03c c699be9c c699be78 c0c539fc c0c534dc c0c538dc c5b368c0 ys_write) from [<<0c>0[3 0 0 08c1.693158] be80: b6df0000 0000000c c30249c0 c699bf60 c699bec4 c699bea0 c07dfee4 c0c538e8 >] (ret_fast_sya[l l + 08x10703677] bea0: 00000000 c5b368c0 b6df0000 c2815800 c699bf60 c07dfe80 c699bf5c c699bec8 /0x28) # [ <800>.[9 8 4 58613.714107] bec0: c059a8f8 c07dfe8c 00000001 00000000 c059aea4 c59b93a4 c059aea4 c699a000 Exception stac[0 x c 4871e.724541] bee0: b6df0000 00020000 00000004 0000000c 0001fff4 c699bee0 00000001 00000805 fa8 to 0xc47ebf)[ # 8[1 734972] bf00: c5887b80 00000000 00000000 00000000 00000000 00000000 00000000 00000000 80.989906] a[0 : 8 1 . 45402] bf20: 00000000 00000000 c699a000 15688583 b6def000 c5b368c0 c5b368c0 c699a000 <000>0[0 0 0 1811 .755748] bf40: b6df0000 00000000 00000000 00000004 c699bf94 c699bf60 c059aea4 c059a7f8 0000011 00000001< 0b>[6 e 5 68010766179] bf60: 00000000 00000000 c699bfac 15688583 0000000c 0000000c b6f37e00 00000004 0 00000011 0000<000>0[0 #8 1[776611] bf80: c03002e4 c699a000 c699bfa4 c699bf98 c059af34 c059ae3c 00000000 c699bfa8 80.998376] bf:[ 0 0 0801.787043] bfa0: c03000c0 c059af28 0000000c 0000000c 00000001 b6df0000 0000000c 00000000 011 00000011 b6f90[0 0 080.797562] bfc0: 0000000c 0000000c b6f37e00 00000004 00000001 00000000 00020000 beb9bac4 00004 00000001 <00>0[0 0 0 08010.808079] bfe0: 00000004 beb9b7f8 b6ea24cf b6e287e6 800e0030 00000001 00000000 00000000 00020000 bebaea [ # [8 1 818505] Backtrace: 81.006839] bfe0: 0000000<40 >b[e 81.823217] [] (lkdtm_ACCESS_NULL) from [] (lkdtm_do_action+0x2c/0x4c) bae7f8 b6f0<804>c[f b 68e18.e874163] r5:c5edd000 r4:00000027 e6 # [ 81.0121<804>][ C o d8e.839824] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) : e1a01004 e3010d78 e34c0<10a>d[ 81.850173] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) eb1d76de (e594300<00)> [ # 8 1.860772] r9:c699bf60 r8:c30249c0 r7:0000000c r6:b6df0000 r5:c5b368c0 r4:c0c538dc 81.018570] ---[ end tre[ 81.870863] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) 67efd71f711676 [] - - -8 1 .881374] r9:c07dfe80 r8:c699bf60 r7:c2815800 r6:b6df0000 r5:c5b368c0 r4:00000000 ACCESS_USERSPACE:< 0m>i[s s i n81.891374] [] (vfs_write) from [] (ksys_write+0x74/0xec) 'call trace:':< 0[>F[A I L ]8 1 900936] r10:00000004 r9:00000000 r8:00000000 r7:b6df0000 r6:c699a000 r5:c5b368c0 not ok 37 l[f t e s8t1s.:9 11016] r4:c5b368c0 kdtm: ACCESS_USERSC[E . s h81.915636] [] (ksys_write) from [] (sys_write+0x18/0x1c) # exit=1 # sele[s t s :8 1l925199] r9:c699a000 r8:c03002e4 r7:00000004 r6:b6f37e00 r5:0000000c r4:0000000c kdtm: ACCESS_NU<0L>L[. s h 8 1.935200] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 81.944933] Exception stack(0xc699bfa8 to 0xc699bff0) <0>[ 81.950254] bfa0: 0000000c 0000000c 00000001 b6df0000 0000000c 00000000 <0>[ 81.958700] bfc0: 0000000c 0000000c b6f37e00 00000004 00000001 00000000 00020000 beb9bac4 <0>[ 81.967143] bfe0: 00000004 beb9b7f8 b6ea24cf b6e287e6 <0>[ 81.972465] Code: e3010d78 e34c01ad e1a01004 ebffd401 (e5945000) <4>[ 81.978897] ---[ end trace 67efd71f711676a1 ]--- # Segmentation fault # [ 81.482484] lkdtm: Performing direct entry ACCESS_NULL # [ 81.489836] lkdtm: attempting bad read at 00000000 # [ 81.497231] 8<--- cut here --- # [ 81.503359] Unable to handle kernel NULL pointer dereference at virtual address 00000000 # [ 81.514589] pgd = 013997b6 # [ 81.520316] [00000000] *pgd=00000000 # [ 81.527046] Internal error: Oops: 5 [#11] SMP ARM # [ 81.534838] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 81.566801] CPU: 1 PID: 2286 Comm: cat Tainted: G D W 5.10.178-cip31 #1 # [ 81.576968] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 81.585676] PC is at lkdtm_ACCESS_NULL+0x28/0x68 # [ 81.593070] LR is at __irq_work_queue_local+0x40/0x74 # [ 81.600800] pc : [] lr : [] psr: 600e0013 # [ 81.609148] sp : c699be50 ip : c699bd58 fp : c699be64 # [ 81.616369] r10: 0000000c r9 : c1ad0e68 r8 : c15e8ccc # [ 81.623674] r7 : c699bf60 r6 : 0000000c r5 : c5edd000 r4 : 00000000 # [ 81.632111] r3 : 15688583 r2 : 15688583 r1 : ef7965e0 r0 : 00000026 # [ 81.640721] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 81.650109] Control: 10c5387d Table: 16e2004a DAC: 00000051 # [ 81.657938] Process cat (pid: 2286, stack limit = 0xef7ac7b9) # [ 81.665938] Stack: (0xc699be50 to 0xc699c000) # [ 81.672379] be40: 00000027 c5edd000 c699be74 c699be68 # [ 81.682726] be60: c0c534fc c13bd03c c699be9c c699be78 c0c539fc c0c534dc c0c538dc c5b368c0 # [ 81.693158] be80: b6df0000 0000000c c30249c0 c699bf60 c699bec4 c699bea0 c07dfee4 c0c538e8 # [ 81.703677] bea0: 00000000 c5b368c0 b6df0000 c2815800 c699bf60 c07dfe80 c699bf5c c699bec8 # [ 81.714107] bec0: c059a8f8 c07dfe8c 00000001 00000000 c059aea4 c59b93a4 c059aea4 c699a000 # [ 81.724541] bee0: b6df0000 00020000 00000004 0000000c 0001fff4 c699bee0 00000001 00000805 # [ 81.734972] bf00: c5887b80 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 81.745402] bf20: 00000000 00000000 c699a000 15688583 b6def000 c5b368c0 c5b368c0 c699a000 # [ 81.755748] bf40: b6df0000 00000000 00000000 00000004 c699bf94 c699bf60 c059aea4 c059a7f8 # [ 81.766179] bf60: 00000000 00000000 c699bfac 15688583 0000000c 0000000c b6f37e00 00000004 # [ 81.776611] bf80: c03002e4 c699a000 c699bfa4 c699bf98 c059af34 c059ae3c 00000000 c699bfa8 # [ 81.787043] bfa0: c03000c0 c059af28 0000000c 0000000c 00000001 b6df0000 0000000c 00000000 # [ 81.797562] bfc0: 0000000c 0000000c b6f37e00 00000004 00000001 00000000 00020000 beb9bac4 # [ 81.808079] bfe0: 00000004 beb9b7f8 b6ea24cf b6e287e6 800e0030 00000001 00000000 00000000 # [ 81.818505] Backtrace: # [ 81.823217] [] (lkdtm_ACCESS_NULL) from [] (lkdtm_do_action+0x2c/0x4c) # [ 81.834163] r5:c5edd000 r4:00000027 # [ 81.839824] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 81.850173] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 81.860772] r9:c699bf60 r8:c30249c0 r7:0000000c r6:b6df0000 r5:c5b368c0 r4:c0c538dc # [ 81.870863] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <6>[ 82.457819] lkdtm: Performing direct entry WRITE_RO # [ 81.881374] r9:c07dfe80 r8:<6>[ 82.464025] lkdtm: attempting bad rodata write at c15e8f64 c699bf60 r7:c2815800 r6:b6df0000 <1>[ 82.472693] 8<--- cut here --- r5:c5b368c0 r4:00000000 #< 1[> [ 82.478769] Unable to handle kernel paging request at virtual address c15e8f64 81.891374] [1]> [( v 82.488765] pgd = 13506222 s_write) from [] (ksys_<1>[ 82.494069] [c15e8f64] *pgd=1141941e(bad) write+0x74/0xec) # [ 81.90<009[ 82.501205] Internal error: Oops: 80d [#12] SMP ARM 36] r10:00000004 r9:00000000 r8:<4>[ 82.508938] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 00000000 r7:b6df0000 r6:c699a<040[ 82.540900] CPU: 3 PID: 2360 Comm: cat Tainted: G D W 5.10.178-cip31 #1 0 r5:c5b368c0 # [ < 48>1[. 9 1 82.551496] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 016] r4:c5b368c0 # [ 81.915<6>[ 82.560546] PC is at lkdtm_WRITE_RO+0x44/0x50 36] [] (ksys_write) fro<4>[ 82.567852] LR is at __irq_work_queue_local+0x40/0x74 m [] (syw[r i t 8e.576012] pc : [] lr : [] psr: 600e0013 +0x18/0x1c) #< 4[> [ 8 18.29.584617] sp : c47ebe50 ip : c47ebd58 fp : c47ebe64 5199] r9:c699a00<04 >r[8 : c 083.592096] r10: 00000009 r9 : c1ad0e74 r8 : c15e8ccc 002e4 r7:00000004< 4r>6[: b 6 f83.599659] r7 : c47ebf60 r6 : 00000009 r5 : c6d3a000 r4 : c15e8f64 7e00 r5:0000000c :[0 0 0802.608524] r3 : 0198b861 r2 : aa55aa55 r1 : ef7c05e0 r0 : c1ad1c78 00c # [ 81.935200]< 4[><[c 0 582.617395] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none 9af1c>] (sys_write<)4 >f[r o m 82.627039] Control: 10c5387d Table: 1683004a DAC: 00000051 ] (ret_s[t _ s y8s.635211] Process cat (pid: 2360, stack limit = 0xe744fd78) call+0x0/0x28) #< 0[> [ 8 18..643296] Stack: (0xc47ebe50 to 0xc47ec000) 944933] Exception stack(<00x>c[6 82.649998] be40: 00000028 c6d3a000 c47ebe74 c47ebe68 9bfa8 to 0xc699bff0) # [ < 0 >8[ 82.660860] be60: c0c534fc c13bce3c c47ebe9c c47ebe78 c0c539fc c0c534dc c0c538dc c5a4bcc0 .950254] bfa0: < 0 > [ 82.671809] be80: b6dc4000 00000009 c30249c0 c47ebf60 c47ebec4 c47ebea0 c07dfee4 c0c538e8 0000000c 0000000c 0<000>0[0 82.682586] bea0: 00000000 c5a4bcc0 b6dc4000 c2815800 c47ebf60 c07dfe80 c47ebf5c c47ebec8 01 b6df0000 0000000c 00000<000>0[ 82.693452] bec0: c059a8f8 c07dfe8c 00000001 00000000 c059aea4 c13d2310 c059aea4 c47ea000 # [ 81.958700] bfc0:< 00>0[0 0 82.704400] bee0: b6dc4000 00020000 00000004 00000009 0001fff7 c47ebee0 00000001 b6dc3000 000c 0000000c b6f37e00< 00>0[0 0 82.715176] bf00: c2ffcdc0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 004 00000001 00000000 00<002>0[0 82.725952] bf20: 00000000 00000000 c13d2310 72671a4f c205e6a0 c5a4bcc0 c5a4bcc0 c47ea000 0 beb9bac4 # [ 81.967<104>3[] 82.736814] bf40: b6dc4000 00000000 00000000 00000004 c47ebf94 c47ebf60 c059aea4 c059a7f8 bfe0: 00000004 beb9b7f8< 0b>6[e a 82.747677] bf60: 00000000 00000000 c47ebfac 72671a4f 00000009 00000009 b6f0be00 00000004 24cf b6e287e6 # [ 81.9<702>4[6 82.758454] bf80: c03002e4 c47ea000 c47ebfa4 c47ebf98 c059af34 c059ae3c 00000000 c47ebfa8 5] Code: e3010d78 e3<40c>0[1 a d 82.769315] bfa0: c03000c0 c059af28 00000009 00000009 00000001 b6dc4000 00000009 00000000 e1a01004 ebffd401 (e59450<000>)[ 82.780008] bfc0: 00000009 00000009 b6f0be00 00000004 00000001 00000000 00020000 beab6ac4 # [ 81.978897] ---[ e [t 82.790869] bfe0: 00000004 beab67f8 b6e764cf b6dfc7e6 800e0030 00000001 00000000 00000000 race 67efd71f711676a1 ]<-0->-[ 82.801725] Backtrace: # ACCESS_NULL: missing 'call trac<0>[ 82.806784] [] (lkdtm_WRITE_RO) from [] (lkdtm_do_action+0x2c/0x4c) e:': [FAIL] not ok 3<80 >s[e l f82.817901] r5:c6d3a000 r4:00000028 tests: lkdtm: ACCESS_NULL. [ 82.823992] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) exit=1 # selftests: lkdtm: WRIT0>[ 82.834774] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) E_RO.sh <0>[ 82.845718] r9:c47ebf60 r8:c30249c0 r7:00000009 r6:b6dc4000 r5:c5a4bcc0 r4:c0c538dc <0>[ 82.854506] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 82.862609] r9:c07dfe80 r8:c47ebf60 r7:c2815800 r6:b6dc4000 r5:c5a4bcc0 r4:00000000 <0>[ 82.870626] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 82.878033] r10:00000004 r9:00000000 r8:00000000 r7:b6dc4000 r6:c47ea000 r5:c5a4bcc0 <0>[ 82.886130] r4:c5a4bcc0 <0>[ 82.888939] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 82.896347] r9:c47ea000 r8:c03002e4 r7:00000004 r6:b6f0be00 r5:00000009 r4:00000009 <0>[ 82.904366] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 82.912202] Exception stack(0xc47ebfa8 to 0xc47ebff0) <0>[ 82.917525] bfa0: 00000009 00000009 00000001 b6dc4000 00000009 00000000 <0>[ 82.925974] bfc0: 00000009 00000009 b6f0be00 00000004 00000001 00000000 00020000 beab6ac4 <0>[ 82.934420] bfe0: 00000004 beab67f8 b6e764cf b6dfc7e6 <0>[ 82.939744] Code: e34a3bcd e3010c78 e34c01ad e0233002 (e5843000) <4>[ 82.946112] ---[ end trace 67efd71f711676a2 ]--- # Segmentation fault # [ 82.457819] lkdtm: Performing direct entry WRITE_RO # [ 82.464025] lkdtm: attempting bad rodata write at c15e8f64 # [ 82.472693] 8<--- cut here --- # [ 82.478769] Unable to handle kernel paging request at virtual address c15e8f64 # [ 82.488765] pgd = 13506222 # [ 82.494069] [c15e8f64] *pgd=1141941e(bad) # [ 82.501205] Internal error: Oops: 80d [#12] SMP ARM # [ 82.508938] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 82.540900] CPU: 3 PID: 2360 Comm: cat Tainted: G D W 5.10.178-cip31 #1 # [ 82.551496] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 82.560546] PC is at lkdtm_WRITE_RO+0x44/0x50 # [ 82.567852] LR is at __irq_work_queue_local+0x40/0x74 # [ 82.576012] pc : [] lr : [] psr: 600e0013 # [ 82.584617] sp : c47ebe50 ip : c47ebd58 fp : c47ebe64 # [ 82.592096] r10: 00000009 r9 : c1ad0e74 r8 : c15e8ccc # [ 82.599659] r7 : c47ebf60 r6 : 00000009 r5 : c6d3a000 r4 : c15e8f64 # [ 82.608524] r3 : 0198b861 r2 : aa55aa55 r1 : ef7c05e0 r0 : c1ad1c78 # [ 82.617395] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 82.627039] Control: 10c5387d Table: 1683004a DAC: 00000051 # [ 82.635211] Process cat (pid: 2360, stack limit = 0xe744fd78) # [ 82.643296] Stack: (0xc47ebe50 to 0xc47ec000) # [ 82.649998] be40: 00000028 c6d3a000 c47ebe74 c47ebe68 # [ 82.660860] be60: c0c534fc c13bce3c c47ebe9c c47ebe78 c0c539fc c0c534dc c0c538dc c5a4bcc0 # [ 82.671809] be80: b6dc4000 00000009 c30249c0 c47ebf60 c47ebec4 c47ebea0 c07dfee4 c0c538e8 # [ 82.682586] bea0: 00000000 c5a4bcc0 b6dc4000 c2815800 c47ebf60 c07dfe80 c47ebf5c c47ebec8 # [ 82.693452] bec0: c059a8f8 c07dfe8c 00000001 00000000 c059aea4 c13d2310 c059aea4 c47ea000 # [ 82.704400] bee0: b6dc4000 00020000 00000004 00000009 0001fff7 c47ebee0 00000001 b6dc3000 # [ 82.715176] bf00: c2ffcdc0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 82.725952] bf20: 00000000 00000000 c13d2310 72671a4f c205e6a0 c5a4bcc0 c5a4bcc0 c47ea000 # [ 82.736814] bf40: b6dc4000 00000000 00000000 00000004 c47ebf94 c47ebf60 c059aea4 c059a7f8 # [ 82.747677] bf60: 00000000 00000000 c47ebfac 72671a4f 00000009 00000009 b6f0be00 00000004 # [ 82.758454] bf80: c03002e4 c47ea000 c47ebfa4 c47ebf98 c059af34 c059ae3c 00000000 c47ebfa8 # [ 82.769315] bfa0: c03000c0 c059af28 00000009 00000009 00000001 b6dc4000 00000009 00000000 # [ 82.780008] bfc0: 00000009 00000009 b6f0be00 00000004 00000001 00000000 00020000 beab6ac4 # [ 82.790869] bfe0: 00000004 beab67f8 b6e764cf b6dfc7e6 800e0030 00000001 00000000 00000000 # [ 82.801725] Backtrace: # [ 82.806784] [] (lkdtm_WRITE_RO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 82.817901] r5:c6d3a000 r4:00000028 # [ 82.823992] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 82.834774] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 82.845718] r9:c47ebf60 r8:c30249c0 r7:00000009 r6:b6dc4000 r5:c5a4bcc0 r4:c0c538dc # [ 82.854506] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 82.862609] r9:c07dfe80 r8:c47ebf60 r7:c2815800 r6:b6dc4000 r5:c5a4bcc0 r4:00000000 # [ 82.870626] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 82.878033] r10:00000004 r9:00000000 r8:00000000 r7:b6dc4000 r6:c47ea000 r5:c5a4bcc0 # [ 82.886130] r4:<6>[ 83.394438] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT c5a4bcc0 # [ 82.888939] [[ 83.402132] lkdtm: attempting bad ro_after_init write at c1b83c60 ae30>] (ksys_write) o[m [ 83.411281] 8<--- cut here --- c059af34>] (sys_write+0x<118>/[0 83.416856] Unable to handle kernel paging request at virtual address c1b83c60 1c) # [ 82.896347] r<91:>c[4 83.426777] pgd = 4161a51b ea000 r8:c03002e4 r7:00000004 r6:<1>[ 83.432178] [c1b83c60] *pgd=11a1941e(bad) b6f0be00 r5:00000009 r4:00000009<0>[ 83.439326] Internal error: Oops: 80d [#13] SMP ARM # [ 82.904366] [] (s<4>[ 83.447241] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 ys_write) from [] (ret_<4>[ 83.479218] CPU: 2 PID: 2434 Comm: cat Tainted: G D W 5.10.178-cip31 #1 fast_syscall+0x0/0x28)< 4 >#[ [ 83.490080] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 82.912202] Exception stack(0xc4<4>[ 83.499232] PC is at lkdtm_WRITE_RO_AFTER_INIT+0x64/0x70 7ebfa8 to 0xc47ebff0)< 4 >#[ [ 83.507661] LR is at 0x0 82.917525] bfa0: < 4 > [ 83.512717] pc : [] lr : [<00000000>] psr: 600e0013 00000009 00<040>0[0 0 9 83.521591] sp : c6af7e50 ip : 00000027 fp : c6af7e64 00000001 b6dc4000 0<040>[0 0 0 083.529337] r10: 00000014 r9 : c1ad0e80 r8 : c15e8ccc 00000000 # [ 82.<942>5[9 7 4 83.536999] r7 : c6af7f60 r6 : 00000014 r5 : c5ee1000 r4 : c1b83c60 bfc0: 00000009 0000<040>0[9 b 83.546047] r3 : fe67479e r2 : 55aa55aa r1 : ef7ab5e4 r0 : c1ad1c78 f0be00 00000004 00000001 0<040>0[ 83.555103] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none 000 00020000 beab6a [ # [3.565018] Control: 10c5387d Table: 16e9c04a DAC: 00000051 82.934420] bfe0: 0000<000>0[4 83.573201] Process cat (pid: 2434, stack limit = 0x6ad957a7) beab67f8 b6e764cf b6d7[e 6 83.581643] Stack: (0xc6af7e50 to 0xc6af8000) # [ 82.939744] Code: e34a3[ 83.599578] 7e60: c0c534fc c13bce8c c6af7e9c c6af7e78 c0c539fc c0c534dc c0c538dc c2fc5cc0 843000) # [ 82.946112] ---[< >[ 83.610712] 7e80: b6e1a000 00000014 c30249c0 c6af7f60 c6af7ec4 c6af7ea0 c07dfee4 c0c538e8 end trace 67efd71f7<101>6[7 6 a 23.621847] 7ea0: 00000000 c2fc5cc0 b6e1a000 c2815800 c6af7f60 c07dfe80 c6af7f5c c6af7ec8 ]--- # WRITE_RO: missing 'call<0>[ 83.632471] 7ec0: c059a8f8 c07dfe8c 00000001 00000000 c059aea4 c13d2310 c059aea4 c6af6000 trace:': [FAIL] not ok 39 selfte<0>[ 83.643692] 7ee0: b6e1a000 00020000 00000004 00000014 0001ffec c6af7ee0 00000001 b6e19000 sts: lkdtm: WRITE_RO.sh # exit<=0>[ 83.654996] 7f00: c5a4b040 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # selftests: lkdtm: WRITE_RO_AF0>[ 83.666130] 7f20: 00000000 00000000 c13d2310 036fa3c3 c205e6a0 c2fc5cc0 c2fc5cc0 c6af6000 TER_INIT.sh <0>[ 83.677350] 7f40: b6e1a000 00000000 00000000 00000004 c6af7f94 c6af7f60 c059aea4 c059a7f8 <0>[ 83.686923] 7f60: 00000000 00000000 c6af7fac 036fa3c3 00000014 00000014 b6f61e00 00000004 <0>[ 83.695393] 7f80: c03002e4 c6af6000 c6af7fa4 c6af7f98 c059af34 c059ae3c 00000000 c6af7fa8 <0>[ 83.703862] 7fa0: c03000c0 c059af28 00000014 00000014 00000001 b6e1a000 00000014 00000000 <0>[ 83.712330] 7fc0: 00000014 00000014 b6f61e00 00000004 00000001 00000000 00020000 beda5ac4 <0>[ 83.720799] 7fe0: 00000004 beda57f8 b6ecc4cf b6e527e6 800e0030 00000001 00000000 00000000 <0>[ 83.729253] Backtrace: <0>[ 83.732016] [] (lkdtm_WRITE_RO_AFTER_INIT) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 83.741262] r5:c5ee1000 r4:00000029 <0>[ 83.745136] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 83.753443] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 83.761653] r9:c6af7f60 r8:c30249c0 r7:00000014 r6:b6e1a000 r5:c2fc5cc0 r4:c0c538dc <0>[ 83.769699] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 83.777820] r9:c07dfe80 r8:c6af7f60 r7:c2815800 r6:b6e1a000 r5:c2fc5cc0 r4:00000000 <0>[ 83.785858] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 83.793284] r10:00000004 r9:00000000 r8:00000000 r7:b6e1a000 r6:c6af6000 r5:c2fc5cc0 <0>[ 83.801394] r4:c2fc5cc0 <0>[ 83.804222] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 83.811648] r9:c6af6000 r8:c03002e4 r7:00000004 r6:b6f61e00 r5:00000014 r4:00000014 <0>[ 83.819688] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 83.827540] Exception stack(0xc6af7fa8 to 0xc6af7ff0) <0>[ 83.832882] 7fa0: 00000014 00000014 00000001 b6e1a000 00000014 00000000 <0>[ 83.841350] 7fc0: 00000014 00000014 b6f61e00 00000004 00000001 00000000 00020000 beda5ac4 <0>[ 83.849812] 7fe0: 00000004 beda57f8 b6ecc4cf b6e527e6 <0>[ 83.855154] Code: e34a3bcd e3010c78 e34c01ad e0233002 (e5843000) <4>[ 83.861540] ---[ end trace 67efd71f711676a3 ]--- # Segmentation fault # [ 83.394438] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT # [ 83.402132] lkdtm: attempting bad ro_after_init write at c1b83c60 # [ 83.411281] 8<--- cut here --- # [ 83.416856] Unable to handle kernel paging request at virtual address c1b83c60 # [ 83.426777] pgd = 4161a51b # [ 83.432178] [c1b83c60] *pgd=11a1941e(bad) # [ 83.439326] Internal error: Oops: 80d [#13] SMP ARM # [ 83.447241] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 83.479218] CPU: 2 PID: 2434 Comm: cat Tainted: G D W 5.10.178-cip31 #1 # [ 83.490080] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 83.499232] PC is at lkdtm_WRITE_RO_AFTER_INIT+0x64/0x70 # [ 83.507661] LR is at 0x0 # [ 83.512717] pc : [] lr : [<00000000>] psr: 600e0013 # [ 83.521591] sp : c6af7e50 ip : 00000027 fp : c6af7e64 # [ 83.529337] r10: 00000014 r9 : c1ad0e80 r8 : c15e8ccc # [ 83.536999] r7 : c6af7f60 r6 : 00000014 r5 : c5ee1000 r4 : c1b83c60 # [ 83.546047] r3 : fe67479e r2 : 55aa55aa r1 : ef7ab5e4 r0 : c1ad1c78 # [ 83.555103] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 83.565018] Control: 10c5387d Table: 16e9c04a DAC: 00000051 # [ 83.573201] Process cat (pid: 2434, stack limit = 0x6ad957a7) # [ 83.581643] Stack: (0xc6af7e50 to 0xc6af8000) # [ 83.588527] 7e40: 00000029 c5ee1000 c6af7e74 c6af7e68 # [ 83.599578] 7e60: c0c534fc c13bce8c c6af7e9c c6af7e78 c0c539fc c0c534dc c0c538dc c2fc5cc0 # [ 83.610712] 7e80: b6e1a000 00000014 c30249c0 c6af7f60 c6af7ec4 c6af7ea0 c07dfee4 c0c538e8 # [ 83.621847] 7ea0: 00000000 c2fc5cc0 b6e1a000 c2815800 c6af7f60 c07dfe80 c6af7f5c c6af7ec8 # [ 83.632471] 7ec0: c059a8f8 c07dfe8c 00000001 00000000 c059aea4 c13d2310 c059aea4 c6af6000 # [ 83.643692] 7ee0: b6e1a000 00020000 00000004 00000014 0001ffec c6af7ee0 00000001 b6e19000 # [ 83.654996] 7f00: c5a4b040 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 83.666130] 7f20: 00000000 00000000 c13d2310 036fa3c3 c205e6a0 c2fc5cc0 c2fc5cc0 c6af6000 # [ 83.677350] 7f40: b6e1a000 00000000 00000000 00000004 c6af7f94 c6af7f60 c059aea4 c059a7f8 # [ 83.686923] 7f60: 00000000 00000000 c6af7fac 036fa3c3 00000014 00000014 b6f61e00 00000004 # [ 83.695393] 7f80: c03002e4 c6af6000 c6af7fa4 c6af7f98 c059af34 c059ae3c 00000000 c6af7fa8 # [ 83.703862] 7fa0: c03000c0 c059af28 00000014 00000014 00000001 b6e1a000 00000014 00000000 # [ 83.712330] 7fc0: 00000014 00000014 b6f61e00 00000004 00000001 00000000 00020000 beda5ac4 # [ 83.720799] 7fe0: 00000004 beda57f8 b6ecc4cf b6e527e6 800e0030 00000001 00000000 00000000 # [ 83.729253] Backtrace: # [ 83.732016] [] (lkdtm_WRITE_RO_AFTER_INIT) from [] (lkdtm_do_action+0x2c/0x4c) # [ 83.741262] r5:c5ee1000 r4:00000029 # [ 83.745136] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 83.753443] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 83.761653] r9:c6af7f60 r8:c30249c0 r7:00000014 r6:b6e1a000 r5:c2fc5cc0 r4:c0c538dc # [ 83.769699] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 83.777820] r9:c07dfe80 r8:c6af7f60 r7:c2815800 r6:b6e1a000 r5:c2fc5cc0 r4:00000000 # [ 83.785858] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 83.793284] r10:00000004 r9:00000000 r8:00000000 r7:b6e1a000 r6:c6af6000 r5:c2fc5cc0 # [ 83.801394] r4:c2fc5cc0 #<6>[ 84.311332] lkdtm: Performing direct entry WRITE_KERN [ 83.804222] [] (ksy<6>[ 84.318568] lkdtm: attempting bad 7768812 byte write at c13bcd58 s_write) from [] (sys_w<1>[ 84.327648] 8<--- cut here --- rite+0x18/0x1c) # [ 83.<811>1[ 84.333753] Unable to handle kernel paging request at virtual address c13bcd58 48] r9:c6af6000 r8:c03<010>2[e 4 84.343759] pgd = 4161a51b r7:00000004 r6:b6f61e00 r5:00000<1>[ 84.349075] [c13bcd58] *pgd=1121940e(bad) 014 r4:00000014 # [ 83.8196<80>[ 84.356224] Internal error: Oops: 80d [#14] SMP ARM ] [] (sys_write) from [<4>[ 84.364053] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 ] (ret_fast_syscall+0x0<4>[ 84.396037] CPU: 3 PID: 2508 Comm: cat Tainted: G D W 5.10.178-cip31 #1 /0x28) # [ 83.82<745>4[0 ] E4.406897] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) xception stack(0xc6af7fa8 to 0xc6<4>[ 84.415875] PC is at memcpy+0x50/0x330 af7ff0) # [ 83.83288<24]> [7 f 84.422747] LR is at 0xe92dd830 a0: < 4 > [0 0 0 04.428496] pc : [] lr : [] psr: 200e0013 0014 00000014 00000<040>1[ b 6 e4.437198] sp : c5df7e2c ip : e1a0c00d fp : c5df7e64 1a000 00000014 0<040>0[0 0 0 08 4.444858] r10: 0000000b r9 : c1ad0e94 r8 : e89da800 # [ 83.841350] 70[: 0 084.452436] r7 : e8bd4000 r6 : e52de004 r5 : e24cb004 r4 : e92dd800 00014 00000014 b6f61e<040> [0 0 084.461399] r3 : e1a0c00d r2 : 00768a4c r1 : c0c5428c r0 : c13bcd58 00004 00000001 00000000 0<040>2[0 84.470451] Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none 000 beda5ac4 # [ < 4 >8[3 . 8 484.480279] Control: 10c5387d Table: 16e9c04a DAC: 00000051 812] 7fe0: 00000004 beda57 [ 84.488465] Process cat (pid: 2508, stack limit = 0xe945ff62) 6ecc4cf b6e527e6 # [ < 0 >8[3 . 84.496994] Stack: (0xc5df7e2c to 0xc5df8000) 55154] Code: e34a3bcd e3010c7<80 [ 84.503968] 7e20: c0c5426c 00768aec c5df7f60 c15e8ccc c13bcd58 e34c01ad e0233002 (e5843000) # 0>[ 84.515019] 7e40: c13bcd58 c13bcf3c 0000002a c6d5a000 0000000b c5df7f60 c5df7e74 c5df7e68 [ 83.861540] ---[ end trace 67e0>[ 84.526240] 7e60: c0c534fc c13bcefc c5df7e9c c5df7e78 c0c539fc c0c534dc c0c538dc c5af9540 fd71f711676a3 ]--- # WRITE_RO_[ 84.537460] 7e80: b6e8a000 0000000b c30249c0 c5df7f60 c5df7ec4 c5df7ea0 c07dfee4 c0c538e8 FTER_INIT: missing 'call trac[ 84.559642] 7ec0: c059a8f8 c07dfe8c 00000001 00000000 c059aea4 c13d2310 c059aea4 c5df6000 lkdtm: WRITE_RO_AFTER_INIT.sh #< >[ 84.570776] 7ee0: b6e8a000 00020000 00000004 0000000b 0001fff5 c5df7ee0 00000001 b6e89000 exit=1 # selftests: lkdtm: W[ 84.592956] 7f20: 00000000 00000000 c13d2310 232a14b6 c205e6a0 c5af9540 c5af9540 c5df6000 <0>[ 84.602441] 7f40: b6e8a000 00000000 00000000 00000004 c5df7f94 c5df7f60 c059aea4 c059a7f8 <0>[ 84.610910] 7f60: 00000000 00000000 c5df7fac 232a14b6 0000000b 0000000b b6fd1e00 00000004 <0>[ 84.619379] 7f80: c03002e4 c5df6000 c5df7fa4 c5df7f98 c059af34 c059ae3c 00000000 c5df7fa8 <0>[ 84.627846] 7fa0: c03000c0 c059af28 0000000b 0000000b 00000001 b6e8a000 0000000b 00000000 <0>[ 84.636315] 7fc0: 0000000b 0000000b b6fd1e00 00000004 00000001 00000000 00020000 bedf7ac4 <0>[ 84.644783] 7fe0: 00000004 bedf77f8 b6f3c4cf b6ec27e6 800e0030 00000001 00000000 00000000 <0>[ 84.653237] Backtrace: <0>[ 84.656002] [] (lkdtm_WRITE_KERN) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 84.664472] r7:c5df7f60 r6:0000000b r5:c6d5a000 r4:0000002a <0>[ 84.670426] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 84.678732] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 84.686942] r9:c5df7f60 r8:c30249c0 r7:0000000b r6:b6e8a000 r5:c5af9540 r4:c0c538dc <0>[ 84.694990] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 84.703114] r9:c07dfe80 r8:c5df7f60 r7:c2815800 r6:b6e8a000 r5:c5af9540 r4:00000000 <0>[ 84.711152] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 84.718579] r10:00000004 r9:00000000 r8:00000000 r7:b6e8a000 r6:c5df6000 r5:c5af9540 <0>[ 84.726689] r4:c5af9540 <0>[ 84.729517] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 84.736944] r9:c5df6000 r8:c03002e4 r7:00000004 r6:b6fd1e00 r5:0000000b r4:0000000b <0>[ 84.744985] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 84.752836] Exception stack(0xc5df7fa8 to 0xc5df7ff0) <0>[ 84.758177] 7fa0: 0000000b 0000000b 00000001 b6e8a000 0000000b 00000000 <0>[ 84.766646] 7fc0: 0000000b 0000000b b6fd1e00 00000004 00000001 00000000 00020000 bedf7ac4 <0>[ 84.775110] 7fe0: 00000004 bedf77f8 b6f3c4cf b6ec27e6 <0>[ 84.780453] Code: f5d1f05c f5d1f07c e8b151f8 e2522020 (e8a051f8) <4>[ 84.786839] ---[ end trace 67efd71f711676a4 ]--- # Segmentation fault # [ 84.311332] lkdtm: Performing direct entry WRITE_KERN # [ 84.318568] lkdtm: attempting bad 7768812 byte write at c13bcd58 # [ 84.327648] 8<--- cut here --- # [ 84.333753] Unable to handle kernel paging request at virtual address c13bcd58 # [ 84.343759] pgd = 4161a51b # [ 84.349075] [c13bcd58] *pgd=1121940e(bad) # [ 84.356224] Internal error: Oops: 80d [#14] SMP ARM # [ 84.364053] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 84.396037] CPU: 3 PID: 2508 Comm: cat Tainted: G D W 5.10.178-cip31 #1 # [ 84.406897] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 84.415875] PC is at memcpy+0x50/0x330 # [ 84.422747] LR is at 0xe92dd830 # [ 84.428496] pc : [] lr : [] psr: 200e0013 # [ 84.437198] sp : c5df7e2c ip : e1a0c00d fp : c5df7e64 # [ 84.444858] r10: 0000000b r9 : c1ad0e94 r8 : e89da800 # [ 84.452436] r7 : e8bd4000 r6 : e52de004 r5 : e24cb004 r4 : e92dd800 # [ 84.461399] r3 : e1a0c00d r2 : 00768a4c r1 : c0c5428c r0 : c13bcd58 # [ 84.470451] Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 84.480279] Control: 10c5387d Table: 16e9c04a DAC: 00000051 # [ 84.488465] Process cat (pid: 2508, stack limit = 0xe945ff62) # [ 84.496994] Stack: (0xc5df7e2c to 0xc5df8000) # [ 84.503968] 7e20: c0c5426c 00768aec c5df7f60 c15e8ccc c13bcd58 # [ 84.515019] 7e40: c13bcd58 c13bcf3c 0000002a c6d5a000 0000000b c5df7f60 c5df7e74 c5df7e68 # [ 84.526240] 7e60: c0c534fc c13bcefc c5df7e9c c5df7e78 c0c539fc c0c534dc c0c538dc c5af9540 # [ 84.537460] 7e80: b6e8a000 0000000b c30249c0 c5df7f60 c5df7ec4 c5df7ea0 c07dfee4 c0c538e8 # [ 84.548593] 7ea0: 00000000 c5af9540 b6e8a000 c2815800 c5df7f60 c07dfe80 c5df7f5c c5df7ec8 # [ 84.559642] 7ec0: c059a8f8 c07dfe8c 00000001 00000000 c059aea4 c13d2310 c059aea4 c5df6000 # [ 84.570776] 7ee0: b6e8a000 00020000 00000004 0000000b 0001fff5 c5df7ee0 00000001 b6e89000 # [ 84.581908] 7f00: c5aac140 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 84.592956] 7f20: 00000000 00000000 c13d2310 232a14b6 c205e6a0 c5af9540 c5af9540 c5df6000 # [ 84.602441] 7f40: b6e8a000 00000000 00000000 00000004 c5df7f94 c5df7f60 c059aea4 c059a7f8 # [ 84.610910] 7f60: 00000000 00000000 c5df7fac 232a14b6 0000000b 0000000b b6fd1e00 00000004 # [ 84.619379] 7f80: c03002e4 c5df6000 c5df7fa4 c5df7f98 c059af34 c059ae3c 00000000 c5df7fa8 # [ 84.627846] 7fa0: c03000c0 c059af28 0000000b 0000000b 00000001 b6e8a000 0000000b 00000000 # [ 84.636315] 7fc0: 0000000b 0000000b b6fd1e00 00000004 00000001 00000000 00020000 bedf7ac4 # [ 84.644783] 7fe0: 00000004 bedf77f8 b6f3c4cf b6ec27e6 800e0030 00000001 00000000 00000000 # [ 84.653237] Backtrace: # [ 84.656002] [] (lkdtm_WRITE_KERN) from [] (lkdtm_do_action+0x2c/0x4c) # [ 84.664472] r7:c5df7f60 r6:0000000b r5:c6d5a000 r4:0000002a # [ 84.670426] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 84.678732] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 84.686942] r9:c5df7f60 r8:c30249c0 r7:0000000b r6:b6e8a000 r5:c5af9540 r4:c0c538dc # [ 84.694990] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 84.703114] r9:c07dfe80 r8:c5df7f60 r7:c2815800 r6:b6e8a000 r5:c5af9540 r4:000000<6>[ 85.290474] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW 00 # [ 84.711152] []<6>[ 85.298854] lkdtm: attempting good refcount_inc() without overflow (vfs_write) from [] (k<6>[ 85.308048] lkdtm: attempting bad refcount_inc() overflow sys_write+0x74/0xec) # [ 84.71<4>[ 85.316606] ------------[ cut here ]------------ 8579] r10:00000004 r9:00000000 r<4>[ 85.324307] WARNING: CPU: 3 PID: 2583 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 8:00000000 r7:b6e8a000 r6:c5df600<4>[ 85.335853] refcount_t: saturated; leaking memory. 0 r5:c5af9540 # [ 84.726689] <4>[ 85.343765] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 r4:c5af9540 # [ 84.729517] [[ 85.375735] CPU: 3 PID: 2583 Comm: cat Tainted: G D W 5.10.178-cip31 #1 059ae30>] <(4k>s[y s _ w8r5i.t3e86563] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) from []< 4(>s[y s _ w85.395172] Backtrace: ite+0x18/0x1c) # [ 84.736944] <4>[ 85.400065] [] (dump_backtrace) from [] (show_stack+0x20/0x24) r9:c5df6000 r8:3[0 0 2 e845.410746] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fe78 r7:00000004 r6:b6fd1e00< 4r>5[: 0 85.418752] [] (show_stack) from [] (dump_stack+0xe0/0x100) 000000b r4:0000000b # [ < 4 >8[4 85.428664] [] (dump_stack) from [] (__warn+0x98/0x14c) .744985] [>[] ( s8y.438310] r9:00000009 r8:c0873488 r7:00000016 r6:00000009 r5:c0873488 r4:c1a24ef0 s_write) from [0[> ] 85.448397] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) (ret_fast_sysl[l + 0 x805/.058389] r7:00000016 r6:c1a24ef0 r5:c1a24ec8 r4:c5aee000 x28) # [ 84.75283<64]> [E x c 85.466220] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) ption stack(0xd[f 7 f a885 .477691] r9:c1ad0ea0 r8:c15e8ccc r7:c5aeff60 r6:00000016 r5:c6c25000 r4:c5aee000 o 0xc5df7ff0) # [ 84.<745>8[1 85.487695] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) 7] 7fa0: < 4 > [0 85.500035] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_OVERFLOW+0x78/0x9c) 00000b 0000000b 0000<040>0[1 b 85.512808] [] (lkdtm_REFCOUNT_INC_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) e8a000 00<040>0[0 0 b 8050.05020447] r4:0000002b 000 # [ 84.7<646>6[4 6 ] 875f528980] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) c0: 0000000b 0000000b b6fe[0 85.539245] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) 0 00000004 000000<041> [0 0 0 080.549844] r9:c5aeff60 r8:c30249c0 r7:00000016 r6:b6df7000 r5:c2fc4780 r4:c0c538dc 000 00020000 bedf7ac4 < 4#> [[ 85.559932] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) 84.775110] 7fe0<:4 >0[0 0 0 0805.570361] r9:c07dfe80 r8:c5aeff60 r7:c2815800 r6:b6df7000 r5:c2fc4780 r4:00000000 4 bedf77f8 b6f3c4cb[6 e c 285.580446] [] (vfs_write) from [] (ksys_write+0x74/0xec) e6 # [ 84.78<044>5[3 ] C8o5d590008] r10:00000004 r9:00000000 r8:00000000 r7:b6df7000 r6:c5aee000 r5:c2fc4780 e: f5d15[c f 58d51.f60070c87] r4:c2fc4780 e8b151f8 e2522<042>0[ ( e 88a50604535] [] (ksys_write) from [] (sys_write+0x18/0x1c) 51f8) # [ 84<.47>8[6 8 3 98]5.613925] r9:c5aee000 r8:c03002e4 r7:00000004 r6:b6f3ee00 r5:00000016 r4:00000016 ---[ end trace 67e7[1 f 7 185.624013] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) 676a4 ]--- < 4#> [W R I T8E5_.K6E4003] Exception stack(0xc5aeffa8 to 0xc5aefff0) RN: missing 'call a[c e : '85.641140] ffa0: 00000016 00000016 00000001 b6df7000 00000016 00000000 [FAIL] not ok 41 l[f t e s5.651746] ffc0: 00000016 00000016 b6f3ee00 00000004 00000001 00000000 00020000 beeb4ac4 ts: lkdtm: WRE[_ K E R8N5..s62347] ffe0: 00000004 beeb47f8 b6ea94cf b6e2f7e6 h # exit=1 # selftests: lkdtm: R<4>[ 85.669618] irq event stamp: 0 EFCOUNT_INC_OVERFLOW.sh <4>[ 85.675774] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 85.683807] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1938 <4>[ 85.691596] softirqs last enabled at (0): [] copy_process+0x5f8/0x1938 <4>[ 85.699400] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 85.705282] ---[ end trace 67efd71f711676a5 ]--- <6>[ 85.710173] lkdtm: Overflow detected: saturated # [ 85.290474] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW # [ 85.298854] lkdtm: attempting good refcount_inc() without overflow # [ 85.308048] lkdtm: attempting bad refcount_inc() overflow # [ 85.316606] ------------[ cut here ]------------ # [ 85.324307] WARNING: CPU: 3 PID: 2583 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 85.335853] refcount_t: saturated; leaking memory. # [ 85.343765] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 85.375735] CPU: 3 PID: 2583 Comm: cat Tainted: G D W 5.10.178-cip31 #1 # [ 85.386563] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 85.395172] Backtrace: # [ 85.400065] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 85.410746] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fe78 # [ 85.418752] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 85.428664] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 85.438310] r9:00000009 r8:c0873488 r7:00000016 r6:00000009 r5:c0873488 r4:c1a24ef0 # [ 85.448397] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 85.458389] r7:00000016 r6:c1a24ef0 r5:c1a24ec8 r4:c5aee000 # [ 85.466220] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 85.477691] r9:c1ad0ea0 r8:c15e8ccc r7:c5aeff60 r6:00000016 r5:c6c25000 r4:c5aee000 # [ 85.487695] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 85.500035] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_OVERFLOW+0x78/0x9c) # [ 85.512808] [] (lkdtm_REFCOUNT_INC_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 85.524447] r4:0000002b # [ 85.528980] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 85.539245] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 85.549844] r9:c5aeff60 r8:c30249c0 r7:00000016 r6:b6df7000 r5:c2fc4780 r4:c0c538dc # [ 85.559932] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 85.570361] r9:c07dfe80 r8:c5aeff60 r7:c2815800 r6:b6df7000 r5:c2fc4780 r4:00000000 # [ 85.580446] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 85.590008] r10:00000004 r9:00000000 r8:00000000 r7:b6df7000 r6:c5aee000 r5:c2fc4780 # [ 85.600087] r4:c2fc4780 # [ 85.604535] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 85.613925] r9:c5aee000 r8:c03002e4 r7:00000004 r6:b6f3ee00 r5:00000016 r4:00000016 # [ 85.624013] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 85.634003] Exception stack(0xc5aeffa8 to 0xc5aefff0) # [ 85.641140] ffa0: 00000016 00000016 00000001 b6df7000 00000016 00000000 # [ 85.651746] ffc0: 00000016 00000016 b6f3ee00 00000004 00000001 00000000 00020000 beeb4ac4 # [ 85.662347] ffe0: 00000004 beeb47f8 b6ea94cf b6e2f7e6 # [ 85.669618] irq event stamp: 0 # [ 85.675774] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 85.683807] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1938 # [ 85.691596] softirqs last enabled at (0): [] <6>[ 86.099613] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW copy_process+0x5f8/0x1938 # [ <6>[ 86.107022] lkdtm: attempting good refcount_add() without overflow 85.699400] softirqs last disabled<6>[ 86.116303] lkdtm: attempting bad refcount_add() overflow at (0): [<00000000>] 0x0 # [ <4>[ 86.124862] ------------[ cut here ]------------ 85.705282] ---[ end trace 67efd71<4>[ 86.132584] WARNING: CPU: 2 PID: 2617 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 f711676a5 ]--- # [ 85.710173] <4>[ 86.144117] refcount_t: saturated; leaking memory. lkdtm: Overflow detected: saturat<4>[ 86.152041] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 ed # REFCOUNT_INC_OVERFLOW: miss<4>[ 86.184052] CPU: 2 PID: 2617 Comm: cat Tainted: G D W 5.10.178-cip31 #1 ing 'call tra:[' : [8F6A.194821] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) L] not ok 42 selfs[t s : 86.203514] Backtrace: kdtm: REFCOUNT_INC_OVERFLOW.sh # <4>[ 86.208409] [] (dump_backtrace) from [] (show_stack+0x20/0x24) exit=1 # selfs[t s : 8l6k.219087] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fe78 tm: REFCOUNT_ADD_OVERFL.[s h 86.227007] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 86.236918] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 86.244308] r9:00000009 r8:c0873488 r7:00000016 r6:00000009 r5:c0873488 r4:c1a24ef0 <4>[ 86.252324] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 86.260073] r7:00000016 r6:c1a24ef0 r5:c1a24ec8 r4:c6c62000 <4>[ 86.266005] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) <4>[ 86.275232] r9:c1ad0eb8 r8:c15e8ccc r7:c6c63f60 r6:00000016 r5:c5ee1000 r4:c6c62000 <4>[ 86.283252] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) <4>[ 86.293178] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_OVERFLOW+0x84/0xa8) <4>[ 86.303536] [] (lkdtm_REFCOUNT_ADD_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 86.312934] r4:0000002c <4>[ 86.315737] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 86.324016] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 86.332203] r9:c6c63f60 r8:c30249c0 r7:00000016 r6:b6ea3000 r5:c2fc5a40 r4:c0c538dc <4>[ 86.340220] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 86.348318] r9:c07dfe80 r8:c6c63f60 r7:c2815800 r6:b6ea3000 r5:c2fc5a40 r4:00000000 <4>[ 86.356331] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 86.363734] r10:00000004 r9:00000000 r8:00000000 r7:b6ea3000 r6:c6c62000 r5:c2fc5a40 <4>[ 86.371829] r4:c2fc5a40 <4>[ 86.374632] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 86.382036] r9:c6c62000 r8:c03002e4 r7:00000004 r6:b6feae00 r5:00000016 r4:00000016 <4>[ 86.390052] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 86.397886] Exception stack(0xc6c63fa8 to 0xc6c63ff0) <4>[ 86.403208] 3fa0: 00000016 00000016 00000001 b6ea3000 00000016 00000000 <4>[ 86.411654] 3fc0: 00000016 00000016 b6feae00 00000004 00000001 00000000 00020000 bece4ac4 <4>[ 86.420098] 3fe0: 00000004 bece47f8 b6f554cf b6edb7e6 <4>[ 86.425475] irq event stamp: 0 <4>[ 86.428813] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 86.434701] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1938 <4>[ 86.442519] softirqs last enabled at (0): [] copy_process+0x5f8/0x1938 <4>[ 86.450320] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 86.456218] ---[ end trace 67efd71f711676a6 ]--- <6>[ 86.461109] lkdtm: Overflow detected: saturated # [ 86.099613] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW # [ 86.107022] lkdtm: attempting good refcount_add() without overflow # [ 86.116303] lkdtm: attempting bad refcount_add() overflow # [ 86.124862] ------------[ cut here ]------------ # [ 86.132584] WARNING: CPU: 2 PID: 2617 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 86.144117] refcount_t: saturated; leaking memory. # [ 86.152041] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 86.184052] CPU: 2 PID: 2617 Comm: cat Tainted: G D W 5.10.178-cip31 #1 # [ 86.194821] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 86.203514] Backtrace: # [ 86.208409] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 86.219087] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fe78 # [ 86.227007] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 86.236918] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 86.244308] r9:00000009 r8:c0873488 r7:00000016 r6:00000009 r5:c0873488 r4:c1a24ef0 # [ 86.252324] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 86.260073] r7:00000016 r6:c1a24ef0 r5:c1a24ec8 r4:c6c62000 # [ 86.266005] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 86.275232] r9:c1ad0eb8 r8:c15e8ccc r7:c6c63f60 r6:00000016 r5:c5ee1000 r4:c6c62000 # [ 86.283252] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 86.293178] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_OVERFLOW+0x84/0xa8) # [ 86.303536] [] (lkdtm_REFCOUNT_ADD_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 86.312934] r4:0000002c # [ 86.315737] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 86.324016] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 86.332203] r9:c6c63f60 r8:c30249c0 r7:00000016 r6:b6ea3000 r5:c2fc5a40 r4:c0c538dc # [ 86.340220] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 86.348318] r9:c07dfe80 r8:c6c63f60 r7:c2815800 r6:b6ea3000 r5:c2fc5a40 r4:00000000 # [ 86.356331] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 86.363734] r10:00000004 r9:00000000 r8:00000000 r7:b6ea3000 r6:c6c62000 r5:c2fc5a40 # [ 86.371829] r4:c2fc5a40 # [ 86.374632] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 86.382036] r9:c6c62000 r8:c03002e4 r7:00000004 r6:b6feae00 r5:00000016 r4:00000016 # [ 86.390052] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 86.397886] Exception stack(0xc6c63fa8 to 0xc6c63ff0) # [ 86.403208] 3fa0: 00000016 00000016 00000001 b6ea3000 00000016 00000000 # [ 86.411654] 3fc0: 00000016 00000016 b6feae00 00000004 00000001 00000000 00020000 bece4ac4 # [ 86.420098] 3fe0: 00000004 bece47f8 b6f554cf b6edb7e6 # [ 86.425475] irq event stamp: 0 # [ 86.428813] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 86.434701] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1938 # [ 86.442519] softirqs last enabled at (0): [] copy_process+0x5f8/0x1938 # [ 86.450320] softirqs last dis<6>[ 86.858236] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW abled at (0): [<00000000>] 0x0 #<6>[ 86.867177] lkdtm: attempting bad refcount_inc_not_zero() overflow [ 86.456218] ---[ end trace 67<4>[ 86.876561] ------------[ cut here ]------------ efd71f711676a6 ]--- # [ 86.461<4>[ 86.884284] WARNING: CPU: 3 PID: 2651 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 109] lkdtm: Overflow detected: sa<4>[ 86.895790] refcount_t: saturated; leaking memory. turated # REFCOUNT_ADD_OVERFLOW:<4>[ 86.903692] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 missing 'call trace:': [FAIL] n<4>[ 86.935664] CPU: 3 PID: 2651 Comm: cat Tainted: G D W 5.10.178-cip31 #1 ot ok 43 se[t e s t8s6:. 9l46489] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) dtm: REFCOUNT_ADD<_4O>V[E R F 8L6.955098] Backtrace: W.sh # exit=1 # selftests: lkdtm<4>[ 86.959906] [] (dump_backtrace) from [] (show_stack+0x20/0x24) : REFCOUNT_INC_NOZ[E R O _8O.970584] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fe78 VERFLOW.sh <4>[ 86.978590] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 86.987201] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 86.994431] r9:00000009 r8:c0873454 r7:00000013 r6:00000009 r5:c0873454 r4:c1a24ef0 <4>[ 87.002447] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 87.010198] r7:00000013 r6:c1a24ef0 r5:c1a24ec8 r4:c5aee000 <4>[ 87.016131] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) <4>[ 87.025358] r9:c1ad0ed0 r8:c15e8ccc r7:c5aeff60 r6:0000001f r5:c6c3a000 r4:7fffffff <4>[ 87.033375] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) <4>[ 87.044081] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x50/0x88) <4>[ 87.055996] r5:c6c3a000 r4:c5aee000 <4>[ 87.059845] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 87.070022] r4:0000002d <4>[ 87.072825] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 87.081104] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 87.089291] r9:c5aeff60 r8:c30249c0 r7:0000001f r6:b6ea3000 r5:c5af9cc0 r4:c0c538dc <4>[ 87.097310] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 87.105408] r9:c07dfe80 r8:c5aeff60 r7:c2815800 r6:b6ea3000 r5:c5af9cc0 r4:00000000 <4>[ 87.113420] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 87.120824] r10:00000004 r9:00000000 r8:00000000 r7:b6ea3000 r6:c5aee000 r5:c5af9cc0 <4>[ 87.128918] r4:c5af9cc0 <4>[ 87.131721] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 87.139124] r9:c5aee000 r8:c03002e4 r7:00000004 r6:b6feae00 r5:0000001f r4:0000001f <4>[ 87.147140] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 87.154975] Exception stack(0xc5aeffa8 to 0xc5aefff0) <4>[ 87.160297] ffa0: 0000001f 0000001f 00000001 b6ea3000 0000001f 00000000 <4>[ 87.168743] ffc0: 0000001f 0000001f b6feae00 00000004 00000001 00000000 00020000 bed16ac4 <4>[ 87.177189] ffe0: 00000004 bed167f8 b6f554cf b6edb7e6 <4>[ 87.182577] irq event stamp: 0 <4>[ 87.185931] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 87.191831] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1938 <4>[ 87.199592] softirqs last enabled at (0): [] copy_process+0x5f8/0x1938 <4>[ 87.207378] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 87.213249] ---[ end trace 67efd71f711676a7 ]--- <6>[ 87.218139] lkdtm: Overflow detected: saturated # [ 86.858236] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 86.867177] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 86.876561] ------------[ cut here ]------------ # [ 86.884284] WARNING: CPU: 3 PID: 2651 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 86.895790] refcount_t: saturated; leaking memory. # [ 86.903692] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 86.935664] CPU: 3 PID: 2651 Comm: cat Tainted: G D W 5.10.178-cip31 #1 # [ 86.946489] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 86.955098] Backtrace: # [ 86.959906] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 86.970584] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fe78 # [ 86.978590] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 86.987201] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 86.994431] r9:00000009 r8:c0873454 r7:00000013 r6:00000009 r5:c0873454 r4:c1a24ef0 # [ 87.002447] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 87.010198] r7:00000013 r6:c1a24ef0 r5:c1a24ec8 r4:c5aee000 # [ 87.016131] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 87.025358] r9:c1ad0ed0 r8:c15e8ccc r7:c5aeff60 r6:0000001f r5:c6c3a000 r4:7fffffff # [ 87.033375] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 87.044081] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x50/0x88) # [ 87.055996] r5:c6c3a000 r4:c5aee000 # [ 87.059845] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 87.070022] r4:0000002d # [ 87.072825] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 87.081104] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 87.089291] r9:c5aeff60 r8:c30249c0 r7:0000001f r6:b6ea3000 r5:c5af9cc0 r4:c0c538dc # [ 87.097310] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 87.105408] r9:c07dfe80 r8:c5aeff60 r7:c2815800 r6:b6ea3000 r5:c5af9cc0 r4:00000000 # [ 87.113420] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 87.120824] r10:00000004 r9:00000000 r8:00000000 r7:b6ea3000 r6:c5aee000 r5:c5af9cc0 # [ 87.128918] r4:c5af9cc0 # [ 87.131721] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 87.139124] r9:c5aee000 r8:c03002e4 r7:00000004 r6:b6feae00 r5:0000001f r4:0000001f # [ 87.147140] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 87.154975] Exception stack(0xc5aeffa8 to 0xc5aefff0) # [ 87.160297] ffa0: 0000001f 0000001f 00000001 b6ea3000 0000001f 00000000 # [ 87.168743] ffc0: 0000001f 0000001f b6feae00 00000004 00000001 00000000 00020000 bed16ac4 # [ 87.177189] ffe0: 00000004 bed167f8 b6f554cf b6edb7e6 # [ 87.182577] irq event stamp: 0 # [ 87.185931] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 87.191831] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1938 # [ 87.199592] softirqs last enabled at (0): [] copy_process+0x5f8/0x1938 # [ 87.207378] softirqs last disabled at (0): [<00000000>] 0x0 # [ 87.213249] ---[ end trace 67efd71f711676a7 ]--- # [ 87.218139] lkdtm: Overflow detected: saturated # REFCOUNT_I<6>[ 87.633189] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW NC_NOT_ZERO_OVERFLOW: missing 'ca<6>[ 87.641971] lkdtm: attempting bad refcount_add_not_zero() overflow ll trace:': [FAIL<]4 > [n o t 8o.651222] ------------[ cut here ]------------ k 44 selftests: lkdtm: REFCOUNT_I<4>[ 87.658252] WARNING: CPU: 1 PID: 2685 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 NC_NOT_ZERO_OVERFLOW.sh # exit=1 <4>[ 87.669780] refcount_t: saturated; leaking memory. # selftests: lkdtm: REFCOUNT_ADD<4>[ 87.677712] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 _NOT_ZERO_OVERFLOW.sh <4>[ 87.709665] CPU: 1 PID: 2685 Comm: cat Tainted: G D W 5.10.178-cip31 #1 <4>[ 87.719623] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 87.726416] Backtrace: <4>[ 87.729150] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 87.736990] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fe78 <4>[ 87.742923] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 87.750508] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 87.757740] r9:00000009 r8:c0873454 r7:00000013 r6:00000009 r5:c0873454 r4:c1a24ef0 <4>[ 87.765754] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 87.773505] r7:00000013 r6:c1a24ef0 r5:c1a24ec8 r4:c6af6000 <4>[ 87.779439] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) <4>[ 87.788666] r9:c1ad0ef0 r8:c15e8ccc r7:c6af7f60 r6:0000001f r5:c6d3c000 r4:7fffffff <4>[ 87.796682] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) <4>[ 87.807388] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x50/0x88) <4>[ 87.819303] r5:c6d3c000 r4:c6af6000 <4>[ 87.823153] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 87.833330] r4:0000002e <4>[ 87.836134] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 87.844413] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 87.852599] r9:c6af7f60 r8:c30249c0 r7:0000001f r6:b6dff000 r5:c5cbc000 r4:c0c538dc <4>[ 87.860617] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 87.868715] r9:c07dfe80 r8:c6af7f60 r7:c2815800 r6:b6dff000 r5:c5cbc000 r4:00000000 <4>[ 87.876727] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 87.884131] r10:00000004 r9:00000000 r8:00000000 r7:b6dff000 r6:c6af6000 r5:c5cbc000 <4>[ 87.892225] r4:c5cbc000 <4>[ 87.895030] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 87.902433] r9:c6af6000 r8:c03002e4 r7:00000004 r6:b6f46e00 r5:0000001f r4:0000001f <4>[ 87.910448] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 87.918284] Exception stack(0xc6af7fa8 to 0xc6af7ff0) <4>[ 87.923605] 7fa0: 0000001f 0000001f 00000001 b6dff000 0000001f 00000000 <4>[ 87.932054] 7fc0: 0000001f 0000001f b6f46e00 00000004 00000001 00000000 00020000 bec4dac4 <4>[ 87.940498] 7fe0: 00000004 bec4d7f8 b6eb14cf b6e377e6 <4>[ 87.945881] irq event stamp: 0 <4>[ 87.949215] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 87.955093] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1938 <4>[ 87.962890] softirqs last enabled at (0): [] copy_process+0x5f8/0x1938 <4>[ 87.970653] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 87.976534] ---[ end trace 67efd71f711676a8 ]--- <6>[ 87.981428] lkdtm: Overflow detected: saturated # [ 87.633189] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 87.641971] lkdtm: attempting bad refcount_add_not_zero() overflow # [ 87.651222] ------------[ cut here ]------------ # [ 87.658252] WARNING: CPU: 1 PID: 2685 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 87.669780] refcount_t: saturated; leaking memory. # [ 87.677712] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 87.709665] CPU: 1 PID: 2685 Comm: cat Tainted: G D W 5.10.178-cip31 #1 # [ 87.719623] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 87.726416] Backtrace: # [ 87.729150] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 87.736990] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fe78 # [ 87.742923] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 87.750508] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 87.757740] r9:00000009 r8:c0873454 r7:00000013 r6:00000009 r5:c0873454 r4:c1a24ef0 # [ 87.765754] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 87.773505] r7:00000013 r6:c1a24ef0 r5:c1a24ec8 r4:c6af6000 # [ 87.779439] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 87.788666] r9:c1ad0ef0 r8:c15e8ccc r7:c6af7f60 r6:0000001f r5:c6d3c000 r4:7fffffff # [ 87.796682] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 87.807388] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x50/0x88) # [ 87.819303] r5:c6d3c000 r4:c6af6000 # [ 87.823153] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 87.833330] r4:0000002e # [ 87.836134] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 87.844413] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 87.852599] r9:c6af7f60 r8:c30249c0 r7:0000001f r6:b6dff000 r5:c5cbc000 r4:c0c538dc # [ 87.860617] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 87.868715] r9:c07dfe80 r8:c6af7f60 r7:c2815800 r6:b6dff000 r5:c5cbc000 r4:00000000 # [ 87.876727] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 87.884131] r10:00000004 r9:00000000 r8:00000000 r7:b6dff000 r6:c6af6000 r5:c5cbc000 # [ 87.892225] r4:c5cbc000 # [ 87.895030] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 87.902433] r9:c6af6000 r8:c03002e4 r7:00000004 r6:b6f46e00 r5:0000001f r4:0000001f # [ 87.910448] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 87.918284] Exception stack(0xc6af7fa8 to 0xc6af7ff0) # [ 87.923605] 7fa0: 0000001f 0000001f 00000001 b6dff000 0000001f 00000000 # [ 87.932054] 7fc0: 0000001f 0000001f b6f46e00 00000004 00000001 00000000 00020000 bec4dac4 # [ 87.940498] 7fe0: 00000004 bec4d7f8 b6eb14cf b6e377e6 # [ 87.945881] irq event stamp: 0 # [ 87.949215] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 87.955093] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1938 # [ 87.962890] softirqs last enabled at (0): [] copy_process+0x5f8/0x1938 # [ 87.970653] softirqs last disabled at (0): [<00000000>] 0x0 # [ <6>[ 88.387799] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO 87.976534] ---[ end trace 67efd71<6>[ 88.396227] lkdtm: attempting good refcount_dec() f711676a8 ]--- # [ 87.981428] <6>[ 88.404031] lkdtm: attempting bad refcount_dec() to zero lkdtm: Overflow detected: saturat<4>[ 88.412473] ------------[ cut here ]------------ ed # REFCOUNT_ADD_NOT_ZERO_OVERF<4>[ 88.420190] WARNING: CPU: 2 PID: 2719 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 LOW: missing 'call trace:': [FAIL<4>[ 88.431767] refcount_t: decrement hit 0; leaking memory. ] not ok 45 selftests: lkdtm: RE<4>[ 88.440198] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 FCOUNT_ADD_NOT_ZERO_OVERFLOW.sh #<4>[ 88.472167] CPU: 2 PID: 2719 Comm: cat Tainted: G D W 5.10.178-cip31 #1 exit=1 #< 4s>e[l f t e8s8t.s4:82985] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) lkdtm: REFCOUNT_DEC_ZO[. s h88.491596] Backtrace: <4>[ 88.496580] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 88.504568] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fe78 <4>[ 88.510506] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 88.518096] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 88.525331] r9:00000009 r8:c0873420 r7:0000001f r6:00000009 r5:c0873420 r4:c1a24ef0 <4>[ 88.533355] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 88.541108] r7:0000001f r6:c1a24ef0 r5:c1a24f54 r4:c6af0000 <4>[ 88.547044] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) <4>[ 88.556275] r9:c1ad0f10 r8:c15e8ccc r7:c6af1f60 r6:00000012 r5:c5ee1000 r4:c6af0000 <4>[ 88.564298] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) <4>[ 88.574227] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_ZERO+0x5c/0xd8) <4>[ 88.584244] [] (lkdtm_REFCOUNT_DEC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 88.593294] r4:0000002f <4>[ 88.596103] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 88.604388] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 88.612578] r9:c6af1f60 r8:c30249c0 r7:00000012 r6:b6dea000 r5:c5aac500 r4:c0c538dc <4>[ 88.620603] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 88.628705] r9:c07dfe80 r8:c6af1f60 r7:c2815800 r6:b6dea000 r5:c5aac500 r4:00000000 <4>[ 88.636722] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 88.644129] r10:00000004 r9:00000000 r8:00000000 r7:b6dea000 r6:c6af0000 r5:c5aac500 <4>[ 88.652225] r4:c5aac500 <4>[ 88.655033] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 88.662441] r9:c6af0000 r8:c03002e4 r7:00000004 r6:b6f31e00 r5:00000012 r4:00000012 <4>[ 88.670461] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 88.678299] Exception stack(0xc6af1fa8 to 0xc6af1ff0) <4>[ 88.683624] 1fa0: 00000012 00000012 00000001 b6dea000 00000012 00000000 <4>[ 88.692075] 1fc0: 00000012 00000012 b6f31e00 00000004 00000001 00000000 00020000 bec99ac4 <4>[ 88.700521] 1fe0: 00000004 bec997f8 b6e9c4cf b6e227e6 <4>[ 88.705915] irq event stamp: 0 <4>[ 88.709262] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 88.715153] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1938 <4>[ 88.722971] softirqs last enabled at (0): [] copy_process+0x5f8/0x1938 <4>[ 88.730759] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 88.736660] ---[ end trace 67efd71f711676a9 ]--- <6>[ 88.741558] lkdtm: Zero detected: saturated # [ 88.387799] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO # [ 88.396227] lkdtm: attempting good refcount_dec() # [ 88.404031] lkdtm: attempting bad refcount_dec() to zero # [ 88.412473] ------------[ cut here ]------------ # [ 88.420190] WARNING: CPU: 2 PID: 2719 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 # [ 88.431767] refcount_t: decrement hit 0; leaking memory. # [ 88.440198] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 88.472167] CPU: 2 PID: 2719 Comm: cat Tainted: G D W 5.10.178-cip31 #1 # [ 88.482985] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 88.491596] Backtrace: # [ 88.496580] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 88.504568] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fe78 # [ 88.510506] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 88.518096] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 88.525331] r9:00000009 r8:c0873420 r7:0000001f r6:00000009 r5:c0873420 r4:c1a24ef0 # [ 88.533355] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 88.541108] r7:0000001f r6:c1a24ef0 r5:c1a24f54 r4:c6af0000 # [ 88.547044] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) # [ 88.556275] r9:c1ad0f10 r8:c15e8ccc r7:c6af1f60 r6:00000012 r5:c5ee1000 r4:c6af0000 # [ 88.564298] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) # [ 88.574227] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_ZERO+0x5c/0xd8) # [ 88.584244] [] (lkdtm_REFCOUNT_DEC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 88.593294] r4:0000002f # [ 88.596103] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 88.604388] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 88.612578] r9:c6af1f60 r8:c30249c0 r7:00000012 r6:b6dea000 r5:c5aac500 r4:c0c538dc # [ 88.620603] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 88.628705] r9:c07dfe80 r8:c6af1f60 r7:c2815800 r6:b6dea000 r5:c5aac500 r4:00000000 # [ 88.636722] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 88.644129] r10:00000004 r9:00000000 r8:00000000 r7:b6dea000 r6:c6af0000 r5:c5aac500 # [ 88.652225] r4:c5aac500 # [ 88.655033] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 88.662441] r9:c6af0000 r8:c03002e4 r7:00000004 r6:b6f31e00 r5:00000012 r4:00000012 # [ 88.670461] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 88.678299] Exception stack(0xc6af1fa8 to 0xc6af1ff0) # [ 88.683624] 1fa0: 00000012 00000012 00000001 b6dea000 00000012 00000000 # [ 88.692075] 1fc0: 00000012 00000012 b6f31e00 00000004 00000001 00000000 00020000 bec99ac4 # [ 88.700521] 1fe0: 00000004 bec997f8 b6e9c4cf b6e227e6 # [ 88.705915] irq event stamp: 0 # [ 88.709262] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 88.715153] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1938 # [ 88.722971] softirqs last enabled at (0): [] copy_process+0x5f8/0x1938 # [ 88.730759] softirqs last disabled at (0): [<00000000>] 0x0 # [ 88.736660] ---[ end trace 67efd71f711676a9 ]--- # [ 88.741558] lkdtm: Zero detected: saturated # REFCOUNT_DEC_ZERO: missing 'call trace:': [FAIL] not ok 46 selftests: lkdtm: REFCOUNT_DEC_ZERO.sh # exit=1 # selftests: lkdtm: REFCOUNT_DEC_NEGATIVE.sh <6>[ 89.171114] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE <6>[ 89.177478] lkdtm: attempting bad refcount_dec() below zero <4>[ 89.183516] ------------[ cut here ]------------ <4>[ 89.188547] WARNING: CPU: 1 PID: 2756 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 <4>[ 89.197310] refcount_t: decrement hit 0; leaking memory. <4>[ 89.202933] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 89.232338] CPU: 1 PID: 2756 Comm: cat Tainted: G D W 5.10.178-cip31 #1 <4>[ 89.240349] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 89.247141] Backtrace: <4>[ 89.249879] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 89.257719] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fe78 <4>[ 89.263650] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 89.271234] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 89.278466] r9:00000009 r8:c0873420 r7:0000001f r6:00000009 r5:c0873420 r4:c1a24ef0 <4>[ 89.286481] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 89.294232] r7:0000001f r6:c1a24ef0 r5:c1a24f54 r4:c4754000 <4>[ 89.300163] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) <4>[ 89.309390] r9:c1ad0f24 r8:c15e8ccc r7:c4755f60 r6:00000016 r5:00000000 r4:c4754000 <4>[ 89.317407] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) <4>[ 89.327331] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_NEGATIVE+0x48/0x70) <4>[ 89.337691] [] (lkdtm_REFCOUNT_DEC_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 89.347088] r5:c6d0b000 r4:00000030 <4>[ 89.350934] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 89.359213] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 89.367400] r9:c4755f60 r8:c30249c0 r7:00000016 r6:b6e3b000 r5:c5ad9540 r4:c0c538dc <4>[ 89.375419] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 89.383518] r9:c07dfe80 r8:c4755f60 r7:c2815800 r6:b6e3b000 r5:c5ad9540 r4:00000000 <4>[ 89.391529] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 89.398933] r10:00000004 r9:00000000 r8:00000000 r7:b6e3b000 r6:c4754000 r5:c5ad9540 <4>[ 89.407026] r4:c5ad9540 <4>[ 89.409830] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 89.417234] r9:c4754000 r8:c03002e4 r7:00000004 r6:b6f82e00 r5:00000016 r4:00000016 <4>[ 89.425249] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 89.433083] Exception stack(0xc4755fa8 to 0xc4755ff0) <4>[ 89.438405] 5fa0: 00000016 00000016 00000001 b6e3b000 00000016 00000000 <4>[ 89.446853] 5fc0: 00000016 00000016 b6f82e00 00000004 00000001 00000000 00020000 bebf6ac4 <4>[ 89.455299] 5fe0: 00000004 bebf67f8 b6eed4cf b6e737e6 <4>[ 89.460674] irq event stamp: 0 <4>[ 89.464052] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 89.469909] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1938 <4>[ 89.477695] softirqs last enabled at (0): [] copy_process+0x5f8/0x1938 <4>[ 89.485483] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 89.491335] ---[ end trace 67efd71f711676aa ]--- <6>[ 89.496273] lkdtm: Negative detected: saturated # [ 89.171114] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 89.177478] lkdtm: attempting bad refcount_dec() below zero # [ 89.183516] ------------[ cut here ]------------ # [ 89.188547] WARNING: CPU: 1 PID: 2756 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 # [ 89.197310] refcount_t: decrement hit 0; leaking memory. # [ 89.202933] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 89.232338] CPU: 1 PID: 2756 Comm: cat Tainted: G D W 5.10.178-cip31 #1 # [ 89.240349] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 89.247141] Backtrace: # [ 89.249879] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 89.257719] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fe78 # [ 89.263650] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 89.271234] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 89.278466] r9:00000009 r8:c0873420 r7:0000001f r6:00000009 r5:c0873420 r4:c1a24ef0 # [ 89.286481] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 89.294232] r7:0000001f r6:c1a24ef0 r5:c1a24f54 r4:c4754000 # [ 89.300163] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) # [ 89.309390] r9:c1ad0f24 r8:c15e8ccc r7:c4755f60 r6:00000016 r5:00000000 r4:c4754000 # [ 89.317407] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) # [ 89.327331] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_NEGATIVE+0x48/0x70) # [ 89.337691] [] (lkdtm_REFCOUNT_DEC_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 89.347088] r5:c6d0b000 r4:00000030 # [ 89.350934] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 89.359213] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 89.367400] r9:c4755f60 r8:c30249c0 r7:00000016 r6:b6e3b000 r5:c5ad9540 r4:c0c538dc # [ 89.375419] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 89.383518] r9:c07dfe80 r8:c4755f60 r7:c2815800 r6:b6e3b000 r5:c5ad9540 r4:00000000 # [ 89.391529] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 89.398933] r10:00000004 r9:00000000 r8:00000000 r7:b6e3b000 r6:c4754000 r5:c5ad9540 # [ 89.407026] r4:c5ad9540 # [ 89.409830] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 89.417234] r9:c4754000 r8:c03002e4 r7:00000004 r6:b6f82e00 r5:00000016 r4:00000016 # [ 89.425249] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 89.433083] Exception stack(0xc4755fa8 to 0xc4755ff0) # [ 89.438405] 5fa0: 00000016 00000016 00000001 b6e3b000 00000016 00000000 # [ 89.446853] 5fc0: 00000016 00000016 b6f82e00 00000004 00000001 00000000 00020000 bebf6ac4 # [ 89.455299] 5fe0: 00000004 bebf67f8 b6eed4cf b6e737e6 # [ 89.460674] irq event stamp: 0 # [ 89.464052] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 89.469909] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1938 # [ 89.477695] softirqs last enabled at (0): [] copy_process+0x5f8/0x1938 # [ 89.485483] softirqs last disabled at (0): [<00000000>] 0x0 # [ 89.491335] ---[ end trace 67efd71f711676aa ]--- # [ 89.49627<6>[ 89.921377] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE 3] lkdtm: Negative detected: satu<6>[ 89.929414] lkdtm: attempting bad refcount_dec_and_test() below zero rated # REFCOUNT_DEC_NEGATIVE: s<4>[ 89.938957] ------------[ cut here ]------------ aw 'Negative detected: saturated'<4>[ 89.946722] WARNING: CPU: 1 PID: 2791 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 : ok ok 47 selftests: lkdtm: REF<4>[ 89.958364] refcount_t: underflow; use-after-free. COUNT_DEC_NEGATIVE.sh # selftest<4>[ 89.966224] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 s: lkdtm: REFCOUNT_DEC_AND_TEST_N<4>[ 89.998199] CPU: 1 PID: 2791 Comm: cat Tainted: G D W 5.10.178-cip31 #1 EGATIVE.s

[ 90.009018] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 90.016846] Backtrace: <4>[ 90.019580] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 90.027421] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fe78 <4>[ 90.033353] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 90.040937] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 90.048169] r9:00000009 r8:c08734f0 r7:0000001c r6:00000009 r5:c08734f0 r4:c1a24ef0 <4>[ 90.056185] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 90.063935] r7:0000001c r6:c1a24ef0 r5:c1a24f2c r4:c5df6000 <4>[ 90.069868] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) <4>[ 90.079182] r9:c1ad0f3c r8:c15e8ccc r7:c5df7f60 r6:0000001f r5:00000000 r4:c5df6000 <4>[ 90.087200] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) <4>[ 90.097911] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x50/0x8c) <4>[ 90.109834] [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 90.120013] r5:c6d0b000 r4:00000031 <4>[ 90.123859] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 90.132138] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 90.140325] r9:c5df7f60 r8:c30249c0 r7:0000001f r6:b6e1b000 r5:c5ad9900 r4:c0c538dc <4>[ 90.148343] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 90.156440] r9:c07dfe80 r8:c5df7f60 r7:c2815800 r6:b6e1b000 r5:c5ad9900 r4:00000000 <4>[ 90.164453] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 90.171857] r10:00000004 r9:00000000 r8:00000000 r7:b6e1b000 r6:c5df6000 r5:c5ad9900 <4>[ 90.179951] r4:c5ad9900 <4>[ 90.182755] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 90.190159] r9:c5df6000 r8:c03002e4 r7:00000004 r6:b6f62e00 r5:0000001f r4:0000001f <4>[ 90.198174] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 90.206009] Exception stack(0xc5df7fa8 to 0xc5df7ff0) <4>[ 90.211329] 7fa0: 0000001f 0000001f 00000001 b6e1b000 0000001f 00000000 <4>[ 90.219775] 7fc0: 0000001f 0000001f b6f62e00 00000004 00000001 00000000 00020000 bebf2ac4 <4>[ 90.228220] 7fe0: 00000004 bebf27f8 b6ecd4cf b6e537e6 <4>[ 90.233599] irq event stamp: 0 <4>[ 90.236933] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 90.242808] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1938 <4>[ 90.250569] softirqs last enabled at (0): [] copy_process+0x5f8/0x1938 <4>[ 90.258379] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 90.264261] ---[ end trace 67efd71f711676ab ]--- <6>[ 90.269157] lkdtm: Negative detected: saturated # [ 89.921377] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 89.929414] lkdtm: attempting bad refcount_dec_and_test() below zero # [ 89.938957] ------------[ cut here ]------------ # [ 89.946722] WARNING: CPU: 1 PID: 2791 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 89.958364] refcount_t: underflow; use-after-free. # [ 89.966224] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 89.998199] CPU: 1 PID: 2791 Comm: cat Tainted: G D W 5.10.178-cip31 #1 # [ 90.009018] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 90.016846] Backtrace: # [ 90.019580] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 90.027421] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fe78 # [ 90.033353] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 90.040937] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 90.048169] r9:00000009 r8:c08734f0 r7:0000001c r6:00000009 r5:c08734f0 r4:c1a24ef0 # [ 90.056185] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 90.063935] r7:0000001c r6:c1a24ef0 r5:c1a24f2c r4:c5df6000 # [ 90.069868] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 90.079182] r9:c1ad0f3c r8:c15e8ccc r7:c5df7f60 r6:0000001f r5:00000000 r4:c5df6000 # [ 90.087200] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 90.097911] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x50/0x8c) # [ 90.109834] [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 90.120013] r5:c6d0b000 r4:00000031 # [ 90.123859] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 90.132138] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 90.140325] r9:c5df7f60 r8:c30249c0 r7:0000001f r6:b6e1b000 r5:c5ad9900 r4:c0c538dc # [ 90.148343] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 90.156440] r9:c07dfe80 r8:c5df7f60 r7:c2815800 r6:b6e1b000 r5:c5ad9900 r4:00000000 # [ 90.164453] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 90.171857] r10:00000004 r9:00000000 r8:00000000 r7:b6e1b000 r6:c5df6000 r5:c5ad9900 # [ 90.179951] r4:c5ad9900 # [ 90.182755] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 90.190159] r9:c5df6000 r8:c03002e4 r7:00000004 r6:b6f62e00 r5:0000001f r4:0000001f # [ 90.198174] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 90.206009] Exception stack(0xc5df7fa8 to 0xc5df7ff0) # [ 90.211329] 7fa0: 0000001f 0000001f 00000001 b6e1b000 0000001f 00000000 # [ 90.219775] 7fc0: 0000001f 0000001f b6f62e00 00000004 00000001 00000000 00020000 bebf2ac4 # [ 90.228220] 7fe0: 00000004 bebf27f8 b6ecd4cf b6e537e6 # [ 90.233599] irq event stamp: 0 # [ 90.236933] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 90.242808] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1938 # [ 90.250569] softirqs last enabled at (0): [] copy_process+0x5f8/0x1938 # [ 90.258379] softirqs last disabled at (0): [<00000000>] 0x0 # [ 90.264261] ---[ end trace 67efd71f711676ab ]--- # [ 90.269157] lkdtm: Negative detected: saturated # REFCOUNT_DEC_AND_TEST_NEGATIVE: saw 'Negative detected: saturated': ok ok <6>[ 90.694398] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE 48 selftests: lkdtm: REFCOUNT_DEC<6>[ 90.704095] lkdtm: attempting bad refcount_sub_and_test() below zero _AND_TEST_NEGATIVE.sh # selftest<4>[ 90.713580] ------------[ cut here ]------------ s: lkdtm: REFCOUNT_SUB_AND_TEST_N<4>[ 90.721241] WARNING: CPU: 2 PID: 2826 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 EGATIVE.sh <4>[ 90.732904] refcount_t: underflow; use-after-free. <4>[ 90.738951] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 90.768363] CPU: 2 PID: 2826 Comm: cat Tainted: G D W 5.10.178-cip31 #1 <4>[ 90.776374] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 90.783166] Backtrace: <4>[ 90.785901] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 90.793742] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fe78 <4>[ 90.799673] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 90.807256] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 90.814488] r9:00000009 r8:c08734f0 r7:0000001c r6:00000009 r5:c08734f0 r4:c1a24ef0 <4>[ 90.822502] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 90.830252] r7:0000001c r6:c1a24ef0 r5:c1a24f2c r4:c68ce000 <4>[ 90.836183] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) <4>[ 90.845497] r9:c1ad0f5c r8:c15e8ccc r7:c68cff60 r6:0000001f r5:c5ee4000 r4:c68ce000 <4>[ 90.853514] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) <4>[ 90.864220] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x50/0x8c) <4>[ 90.876144] [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 90.886322] r4:00000032 <4>[ 90.889125] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 90.897405] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 90.905591] r9:c68cff60 r8:c30249c0 r7:0000001f r6:b6e96000 r5:c2fc5540 r4:c0c538dc <4>[ 90.913610] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 90.921709] r9:c07dfe80 r8:c68cff60 r7:c2815800 r6:b6e96000 r5:c2fc5540 r4:00000000 <4>[ 90.929721] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 90.937125] r10:00000004 r9:00000000 r8:00000000 r7:b6e96000 r6:c68ce000 r5:c2fc5540 <4>[ 90.945218] r4:c2fc5540 <4>[ 90.948021] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 90.955425] r9:c68ce000 r8:c03002e4 r7:00000004 r6:b6fdde00 r5:0000001f r4:0000001f <4>[ 90.963439] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 90.971274] Exception stack(0xc68cffa8 to 0xc68cfff0) <4>[ 90.976595] ffa0: 0000001f 0000001f 00000001 b6e96000 0000001f 00000000 <4>[ 90.985042] ffc0: 0000001f 0000001f b6fdde00 00000004 00000001 00000000 00020000 bec82ac4 <4>[ 90.993487] ffe0: 00000004 bec827f8 b6f484cf b6ece7e6 <4>[ 90.998848] irq event stamp: 0 <4>[ 91.002207] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 91.008058] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1938 <4>[ 91.015880] softirqs last enabled at (0): [] copy_process+0x5f8/0x1938 <4>[ 91.023690] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 91.029541] ---[ end trace 67efd71f711676ac ]--- <6>[ 91.034497] lkdtm: Negative detected: saturated # [ 90.694398] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 90.704095] lkdtm: attempting bad refcount_sub_and_test() below zero # [ 90.713580] ------------[ cut here ]------------ # [ 90.721241] WARNING: CPU: 2 PID: 2826 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 90.732904] refcount_t: underflow; use-after-free. # [ 90.738951] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 90.768363] CPU: 2 PID: 2826 Comm: cat Tainted: G D W 5.10.178-cip31 #1 # [ 90.776374] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 90.783166] Backtrace: # [ 90.785901] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 90.793742] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fe78 # [ 90.799673] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 90.807256] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 90.814488] r9:00000009 r8:c08734f0 r7:0000001c r6:00000009 r5:c08734f0 r4:c1a24ef0 # [ 90.822502] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 90.830252] r7:0000001c r6:c1a24ef0 r5:c1a24f2c r4:c68ce000 # [ 90.836183] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 90.845497] r9:c1ad0f5c r8:c15e8ccc r7:c68cff60 r6:0000001f r5:c5ee4000 r4:c68ce000 # [ 90.853514] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 90.864220] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x50/0x8c) # [ 90.876144] [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 90.886322] r4:00000032 # [ 90.889125] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 90.897405] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 90.905591] r9:c68cff60 r8:c30249c0 r7:0000001f r6:b6e96000 r5:c2fc5540 r4:c0c538dc # [ 90.913610] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 90.921709] r9:c07dfe80 r8:c68cff60 r7:c2815800 r6:b6e96000 r5:c2fc5540 r4:00000000 # [ 90.929721] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 90.937125] r10:00000004 r9:00000000 r8:00000000 r7:b6e96000 r6:c68ce000 r5:c2fc5540 # [ 90.945218] r4:c2fc5540 # [ 90.948021] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 90.955425] r9:c68ce000 r8:c03002e4 r7:00000004 r6:b6fdde00 r5:0000001f r4:0000001f # [ 90.963439] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 90.971274] Exception stack(0xc68cffa8 to 0xc68cfff0) # [ 90.976595] ffa0: 0000001f 0000001f 00000001 b6e96000 0000001f 00000000 # [ 90.985042] ffc0: 0000001f 0000001f b6fdde00 00000004 00000001 00000000 00020000 bec82ac4 # [ 90.993487] ffe0: 00000004 bec827f8 b6f484cf b6ece7e6 # [ 90.998848] irq event stamp: 0 # [ 91.002207] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 91.008058] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1938 # [ 91.015880] softirqs last enabled at (0): [] copy_process+0x5f8/0x1938 # [ 91.023690] softirqs last disabled at (0): [<00000000>] 0x0 # [ 91.029541] ---[ end< 6t>r[a c e 9617.448458] lkdtm: Performing direct entry REFCOUNT_INC_ZERO fd71f711676ac ]--- # [ 91.0344<6>[ 91.456419] lkdtm: attempting safe refcount_inc_not_zero() from zero 97] lkdtm: Negative detected: sat<6>[ 91.465998] lkdtm: Good: zero detected urated # REFCOUNT_SUB_AND_TEST_N<6>[ 91.472766] lkdtm: Correctly stayed at zero EGATIVE: saw 'Negav[e d e91.480034] lkdtm: attempting bad refcount_inc() from zero ected: saturated': ok ok 49 self<4>[ 91.487977] ------------[ cut here ]------------ tests: lkdtm: REFCOUNT_SUB_AND_TE<4>[ 91.495789] WARNING: CPU: 3 PID: 2858 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 ST_NEGATIVE.sh # selftests: lkdt<4>[ 91.507373] refcount_t: addition on 0; use-after-free. m: REFCOUNT_INC_ZERO.sh <4>[ 91.515626] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 91.546910] CPU: 3 PID: 2858 Comm: cat Tainted: G D W 5.10.178-cip31 #1 <4>[ 91.554919] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 91.561713] Backtrace: <4>[ 91.564448] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 91.572287] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fe78 <4>[ 91.578220] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 91.585804] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 91.593035] r9:00000009 r8:c08734bc r7:00000019 r6:00000009 r5:c08734bc r4:c1a24ef0 <4>[ 91.601050] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 91.608799] r7:00000019 r6:c1a24ef0 r5:c1a24f00 r4:c5da2000 <4>[ 91.614731] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) <4>[ 91.624044] r9:c1ad0f7c r8:c15e8ccc r7:c5da3f60 r6:00000012 r5:00000000 r4:c5da2000 <4>[ 91.632061] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) <4>[ 91.641989] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_ZERO+0xa8/0xcc) <4>[ 91.652000] [] (lkdtm_REFCOUNT_INC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 91.661052] r5:c6bca000 r4:00000033 <4>[ 91.664897] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 91.673176] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 91.681361] r9:c5da3f60 r8:c30249c0 r7:00000012 r6:b6e58000 r5:c58872c0 r4:c0c538dc <4>[ 91.689380] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 91.697480] r9:c07dfe80 r8:c5da3f60 r7:c2815800 r6:b6e58000 r5:c58872c0 r4:00000000 <4>[ 91.705492] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 91.712895] r10:00000004 r9:00000000 r8:00000000 r7:b6e58000 r6:c5da2000 r5:c58872c0 <4>[ 91.720989] r4:c58872c0 <4>[ 91.723792] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 91.731196] r9:c5da2000 r8:c03002e4 r7:00000004 r6:b6f9fe00 r5:00000012 r4:00000012 <4>[ 91.739210] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 91.747045] Exception stack(0xc5da3fa8 to 0xc5da3ff0) <4>[ 91.752365] 3fa0: 00000012 00000012 00000001 b6e58000 00000012 00000000 <4>[ 91.760814] 3fc0: 00000012 00000012 b6f9fe00 00000004 00000001 00000000 00020000 bea9cac4 <4>[ 91.769257] 3fe0: 00000004 bea9c7f8 b6f0a4cf b6e907e6 <4>[ 91.774627] irq event stamp: 0 <4>[ 91.777960] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 91.783835] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1938 <4>[ 91.791613] softirqs last enabled at (0): [] copy_process+0x5f8/0x1938 <4>[ 91.799439] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 91.805342] ---[ end trace 67efd71f711676ad ]--- <6>[ 91.810241] lkdtm: Zero detected: saturated # [ 91.448458] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 91.456419] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 91.465998] lkdtm: Good: zero detected # [ 91.472766] lkdtm: Correctly stayed at zero # [ 91.480034] lkdtm: attempting bad refcount_inc() from zero # [ 91.487977] ------------[ cut here ]------------ # [ 91.495789] WARNING: CPU: 3 PID: 2858 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 # [ 91.507373] refcount_t: addition on 0; use-after-free. # [ 91.515626] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 91.546910] CPU: 3 PID: 2858 Comm: cat Tainted: G D W 5.10.178-cip31 #1 # [ 91.554919] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 91.561713] Backtrace: # [ 91.564448] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 91.572287] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fe78 # [ 91.578220] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 91.585804] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 91.593035] r9:00000009 r8:c08734bc r7:00000019 r6:00000009 r5:c08734bc r4:c1a24ef0 # [ 91.601050] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 91.608799] r7:00000019 r6:c1a24ef0 r5:c1a24f00 r4:c5da2000 # [ 91.614731] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) # [ 91.624044] r9:c1ad0f7c r8:c15e8ccc r7:c5da3f60 r6:00000012 r5:00000000 r4:c5da2000 # [ 91.632061] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) # [ 91.641989] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_ZERO+0xa8/0xcc) # [ 91.652000] [] (lkdtm_REFCOUNT_INC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 91.661052] r5:c6bca000 r4:00000033 # [ 91.664897] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 91.673176] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 91.681361] r9:c5da3f60 r8:c30249c0 r7:00000012 r6:b6e58000 r5:c58872c0 r4:c0c538dc # [ 91.689380] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 91.697480] r9:c07dfe80 r8:c5da3f60 r7:c2815800 r6:b6e58000 r5:c58872c0 r4:00000000 # [ 91.705492] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 91.712895] r10:00000004 r9:00000000 r8:00000000 r7:b6e58000 r6:c5da2000 r5:c58872c0 # [ 91.720989] r4:c58872c0 # [ 91.723792] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 91.731196] r9:c5da2000 r8:c03002e4 r7:00000004 r6:b6f9fe00 r5:00000012 r4:00000012 # [ 91.739210] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 91.747045] Exception stack(0xc5da3fa8 to 0xc5da3ff0) # [ 91.752365] 3fa0: 00000012 00000012 00000001 b6e58000 00000012 00000000 # [ 91.760814] 3fc0: 00000012 00000012 b6f9fe00 00000004 00000001 00000000 00020000 bea9cac4 # [ 91.769257] 3fe0: 00000004 bea9c7f8 b6f0a4cf b6e907e6 # [ 91.774627] irq event stamp: 0 # [ 91.777960] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 91.783835] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1938 # [ 91.791613] softirqs last enabled at (0): [] copy_process+0x5f8/0x1938 # [ 91.799439] softirqs last disabled at (0): [<00000000>] 0x0 # [ 91.805342] ---[ end trace 67efd71f711676ad ]--- # [ 91.810241] lkdtm: Zero detected: saturated # REFCOUNT_INC_ZERO: missing 'call trace:': [FAIL] not ok 50 selftests: lkdtm: REFCOUNT_INC_ZERO.sh # exit=1 <6>[ 92.250885] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # selftests: lkdtm: REFCOUNT_ADD_<6>[ 92.258014] lkdtm: attempting safe refcount_add_not_zero() from zero ZERO.sh <6>[ 92.267518] lkdtm: Good: zero detected <6>[ 92.272287] lkdtm: Correctly stayed at zero <6>[ 92.276743] lkdtm: attempting bad refcount_add() from zero <4>[ 92.282534] ------------[ cut here ]------------ <4>[ 92.287436] WARNING: CPU: 0 PID: 2892 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 <4>[ 92.296345] refcount_t: addition on 0; use-after-free. <4>[ 92.301755] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 92.331197] CPU: 0 PID: 2892 Comm: cat Tainted: G D W 5.10.178-cip31 #1 <4>[ 92.339207] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 92.346000] Backtrace: <4>[ 92.348735] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 92.356575] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fe78 <4>[ 92.362509] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 92.370094] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 92.377325] r9:00000009 r8:c08734bc r7:00000019 r6:00000009 r5:c08734bc r4:c1a24ef0 <4>[ 92.385339] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 92.393090] r7:00000019 r6:c1a24ef0 r5:c1a24f00 r4:c5b56000 <4>[ 92.399020] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) <4>[ 92.408334] r9:c1ad0f90 r8:c15e8ccc r7:c5b57f60 r6:00000012 r5:00000000 r4:c5b56000 <4>[ 92.416351] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) <4>[ 92.426277] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_ZERO+0xa8/0xcc) <4>[ 92.436289] [] (lkdtm_REFCOUNT_ADD_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 92.445339] r5:c5ec8000 r4:00000034 <4>[ 92.449183] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 92.457462] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 92.465649] r9:c5b57f60 r8:c30249c0 r7:00000012 r6:b6e1c000 r5:c5aa6500 r4:c0c538dc <4>[ 92.473667] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 92.481766] r9:c07dfe80 r8:c5b57f60 r7:c2815800 r6:b6e1c000 r5:c5aa6500 r4:00000000 <4>[ 92.489778] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 92.497181] r10:00000004 r9:00000000 r8:00000000 r7:b6e1c000 r6:c5b56000 r5:c5aa6500 <4>[ 92.505275] r4:c5aa6500 <4>[ 92.508078] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 92.515481] r9:c5b56000 r8:c03002e4 r7:00000004 r6:b6f63e00 r5:00000012 r4:00000012 <4>[ 92.523496] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 92.531331] Exception stack(0xc5b57fa8 to 0xc5b57ff0) <4>[ 92.536652] 7fa0: 00000012 00000012 00000001 b6e1c000 00000012 00000000 <4>[ 92.545098] 7fc0: 00000012 00000012 b6f63e00 00000004 00000001 00000000 00020000 be89cac4 <4>[ 92.553541] 7fe0: 00000004 be89c7f8 b6ece4cf b6e547e6 <4>[ 92.558892] irq event stamp: 0 <4>[ 92.562243] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 92.568093] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1938 <4>[ 92.575887] softirqs last enabled at (0): [] copy_process+0x5f8/0x1938 <4>[ 92.583692] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 92.589540] ---[ end trace 67efd71f711676ae ]--- <6>[ 92.594458] lkdtm: Zero detected: saturated # [ 92.250885] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 92.258014] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 92.267518] lkdtm: Good: zero detected # [ 92.272287] lkdtm: Correctly stayed at zero # [ 92.276743] lkdtm: attempting bad refcount_add() from zero # [ 92.282534] ------------[ cut here ]------------ # [ 92.287436] WARNING: CPU: 0 PID: 2892 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 # [ 92.296345] refcount_t: addition on 0; use-after-free. # [ 92.301755] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 92.331197] CPU: 0 PID: 2892 Comm: cat Tainted: G D W 5.10.178-cip31 #1 # [ 92.339207] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 92.346000] Backtrace: # [ 92.348735] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 92.356575] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fe78 # [ 92.362509] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 92.370094] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 92.377325] r9:00000009 r8:c08734bc r7:00000019 r6:00000009 r5:c08734bc r4:c1a24ef0 # [ 92.385339] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 92.393090] r7:00000019 r6:c1a24ef0 r5:c1a24f00 r4:c5b56000 # [ 92.399020] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) # [ 92.408334] r9:c1ad0f90 r8:c15e8ccc r7:c5b57f60 r6:00000012 r5:00000000 r4:c5b56000 # [ 92.416351] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) # [ 92.426277] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_ZERO+0xa8/0xcc) # [ 92.436289] [] (lkdtm_REFCOUNT_ADD_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 92.445339] r5:c5ec8000 r4:00000034 # [ 92.449183] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 92.457462] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 92.465649] r9:c5b57f60 r8:c30249c0 r7:00000012 r6:b6e1c000 r5:c5aa6500 r4:c0c538dc # [ 92.473667] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 92.481766] r9:c07dfe80 r8:c5b57f60 r7:c2815800 r6:b6e1c000 r5:c5aa6500 r4:00000000 # [ 92.489778] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 92.497181] r10:00000004 r9:00000000 r8:00000000 r7:b6e1c000 r6:c5b56000 r5:c5aa6500 # [ 92.505275] r4:c5aa6500 # [ 92.508078] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 92.515481] r9:c5b56000 r8:c03002e4 r7:00000004 r6:b6f63e00 r5:00000012 r4:00000012 # [ 92.523496] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 92.531331] Exception stack(0xc5b57fa8 to 0xc5b57ff0) # [ 92.536652] 7fa0: 00000012 00000012 00000001 b6e1c000 00000012 00000000 # [ 92.545098] 7fc0: 00000012 00000012 b6f63e00 00000004 00000001 00000000 00020000 be89cac4 # [ 92.553541] 7fe0: 00000004 be89c7f8 b6ece4cf b6e547e6 # [ 92.558892] irq event stamp: 0 # [ 92.562243] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 92.568093] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1938 # [ 92.575887] softirqs last enabled at (0): [] copy_process+0x5f8/0x1938 # [ 92.583692] softirqs last disabled at (0): [<00000000>] 0x0 # [ 92.589540] ---[ end trace 67efd71f711676ae ]--- # [ 92.594458] lkdtm: Zero detected: saturated # REFCOUNT_ADD_ZERO: missing 'call trace:': [FAIL] not ok 51 selftests: lkdtm: REFCOUNT<6>[ 93.041592] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED _ADD_ZERO.sh # exit=1 # selftest<6>[ 93.050444] lkdtm: attempting bad refcount_inc() from saturated s: lkdtm: REFCOUNT_INC_SATURATED.<4>[ 93.059461] ------------[ cut here ]------------ sh <4>[ 93.067254] WARNING: CPU: 0 PID: 2929 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 <4>[ 93.076268] refcount_t: saturated; leaking memory. <4>[ 93.081333] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 93.110928] CPU: 0 PID: 2929 Comm: cat Tainted: G D W 5.10.178-cip31 #1 <4>[ 93.118943] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 93.125738] Backtrace: <4>[ 93.128480] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 93.136324] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fe78 <4>[ 93.142261] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 93.149850] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 93.157087] r9:00000009 r8:c0873488 r7:00000016 r6:00000009 r5:c0873488 r4:c1a24ef0 <4>[ 93.165107] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 93.172859] r7:00000016 r6:c1a24ef0 r5:c1a24ec8 r4:c2f5e000 <4>[ 93.178797] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) <4>[ 93.188027] r9:c1ad0fa4 r8:c15e8ccc r7:c2f5ff60 r6:00000017 r5:c5ec8000 r4:c2f5e000 <4>[ 93.196052] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) <4>[ 93.205985] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_SATURATED+0x4c/0x70) <4>[ 93.216434] [] (lkdtm_REFCOUNT_INC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 93.225919] r4:00000035 <4>[ 93.228725] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 93.237008] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 93.245200] r9:c2f5ff60 r8:c30249c0 r7:00000017 r6:b6df9000 r5:c2ffd680 r4:c0c538dc <4>[ 93.253223] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 93.261326] r9:c07dfe80 r8:c2f5ff60 r7:c2815800 r6:b6df9000 r5:c2ffd680 r4:00000000 <4>[ 93.269342] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 93.276750] r10:00000004 r9:00000000 r8:00000000 r7:b6df9000 r6:c2f5e000 r5:c2ffd680 <4>[ 93.284846] r4:c2ffd680 <4>[ 93.287654] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 93.295061] r9:c2f5e000 r8:c03002e4 r7:00000004 r6:b6f40e00 r5:00000017 r4:00000017 <4>[ 93.303081] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 93.310919] Exception stack(0xc2f5ffa8 to 0xc2f5fff0) <4>[ 93.316246] ffa0: 00000017 00000017 00000001 b6df9000 00000017 00000000 <4>[ 93.324698] ffc0: 00000017 00000017 b6f40e00 00000004 00000001 00000000 00020000 becd5ac4 <4>[ 93.333145] ffe0: 00000004 becd57f8 b6eab4cf b6e317e6 <4>[ 93.338506] irq event stamp: 0 <4>[ 93.341869] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 93.347723] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1938 <4>[ 93.355598] softirqs last enabled at (0): [] copy_process+0x5f8/0x1938 <4>[ 93.363407] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 93.369257] ---[ end trace 67efd71f711676af ]--- <6>[ 93.374177] lkdtm: Saturation detected: still saturated # [ 93.041592] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 93.050444] lkdtm: attempting bad refcount_inc() from saturated # [ 93.059461] ------------[ cut here ]------------ # [ 93.067254] WARNING: CPU: 0 PID: 2929 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 93.076268] refcount_t: saturated; leaking memory. # [ 93.081333] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 93.110928] CPU: 0 PID: 2929 Comm: cat Tainted: G D W 5.10.178-cip31 #1 # [ 93.118943] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 93.125738] Backtrace: # [ 93.128480] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 93.136324] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fe78 # [ 93.142261] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 93.149850] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 93.157087] r9:00000009 r8:c0873488 r7:00000016 r6:00000009 r5:c0873488 r4:c1a24ef0 # [ 93.165107] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 93.172859] r7:00000016 r6:c1a24ef0 r5:c1a24ec8 r4:c2f5e000 # [ 93.178797] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 93.188027] r9:c1ad0fa4 r8:c15e8ccc r7:c2f5ff60 r6:00000017 r5:c5ec8000 r4:c2f5e000 # [ 93.196052] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 93.205985] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_SATURATED+0x4c/0x70) # [ 93.216434] [] (lkdtm_REFCOUNT_INC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 93.225919] r4:00000035 # [ 93.228725] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 93.237008] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 93.245200] r9:c2f5ff60 r8:c30249c0 r7:00000017 r6:b6df9000 r5:c2ffd680 r4:c0c538dc # [ 93.253223] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 93.261326] r9:c07dfe80 r8:c2f5ff60 r7:c2815800 r6:b6df9000 r5:c2ffd680 r4:00000000 # [ 93.269342] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 93.276750] r10:00000004 r9:00000000 r8:00000000 r7:b6df9000 r6:c2f5e000 r5:c2ffd680 # [ 93.284846] r4:c2ffd680 # [ 93.287654] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 93.295061] r9:c2f5e000 r8:c03002e4 r7:00000004 r6:b6f40e00 r5:00000017 r4:00000017 # [ 93.303081] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 93.310919] Exception stack(0xc2f5ffa8 to 0xc2f5fff0) # [ 93.316246] ffa0: 00000017 00000017 00000001 b6df9000 00000017 00000000 # [ 93.324698] ffc0: 00000017 00000017 b6f40e00 00000004 00000001 00000000 00020000 becd5ac4 # [ 93.333145] ffe0: 00000004 becd57f8 b6eab4cf b6e317e6 # [ 93.338506] irq event stamp: 0 # [ 93.341869] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 93.347723] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1938 # [ 93.355598] softirqs last enabled at (0): [] copy_process+0x5f8/0x1938 # [ 93.363407] softirqs last disabled at (0): [<00000000>] 0x0 # [ 93.369257] ---[ end trace 67efd71f711676af ]--- # [ 93.374177] 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 <6>[ 93.832343] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED <6>[ 93.838719] lkdtm: attempting bad refcount_dec() from saturated <4>[ 93.845059] ------------[ cut here ]------------ <4>[ 93.849995] WARNING: CPU: 1 PID: 2964 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 <4>[ 93.858766] refcount_t: decrement hit 0; leaking memory. <4>[ 93.864444] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 93.894185] CPU: 1 PID: 2964 Comm: cat Tainted: G D W 5.10.178-cip31 #1 <4>[ 93.902195] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 93.908988] Backtrace: <4>[ 93.911726] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 93.919566] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fe78 <4>[ 93.925498] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 93.933082] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 93.940313] r9:00000009 r8:c0873420 r7:0000001f r6:00000009 r5:c0873420 r4:c1a24ef0 <4>[ 93.948330] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 93.956080] r7:0000001f r6:c1a24ef0 r5:c1a24f54 r4:c5bce000 <4>[ 93.962012] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) <4>[ 93.971240] r9:c1ad0fbc r8:c15e8ccc r7:c5bcff60 r6:00000017 r5:c6d0b000 r4:c5bce000 <4>[ 93.979257] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) <4>[ 93.989181] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_SATURATED+0x48/0x6c) <4>[ 93.999629] [] (lkdtm_REFCOUNT_DEC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 94.009111] r4:00000036 <4>[ 94.011916] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 94.020195] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 94.028381] r9:c5bcff60 r8:c30249c0 r7:00000017 r6:b6e44000 r5:c452e140 r4:c0c538dc <4>[ 94.036399] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 94.044498] r9:c07dfe80 r8:c5bcff60 r7:c2815800 r6:b6e44000 r5:c452e140 r4:00000000 <4>[ 94.052510] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 94.059916] r10:00000004 r9:00000000 r8:00000000 r7:b6e44000 r6:c5bce000 r5:c452e140 <4>[ 94.068009] r4:c452e140 <4>[ 94.070812] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 94.078217] r9:c5bce000 r8:c03002e4 r7:00000004 r6:b6f8be00 r5:00000017 r4:00000017 <4>[ 94.086233] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 94.094067] Exception stack(0xc5bcffa8 to 0xc5bcfff0) <4>[ 94.099389] ffa0: 00000017 00000017 00000001 b6e44000 00000017 00000000 <4>[ 94.107837] ffc0: 00000017 00000017 b6f8be00 00000004 00000001 00000000 00020000 be96eac4 <4>[ 94.116280] ffe0: 00000004 be96e7f8 b6ef64cf b6e7c7e6 <4>[ 94.121663] irq event stamp: 0 <4>[ 94.125019] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 94.130871] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1938 <4>[ 94.138664] softirqs last enabled at (0): [] copy_process+0x5f8/0x1938 <4>[ 94.146486] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 94.152366] ---[ end trace 67efd71f711676b0 ]--- <6>[ 94.157285] lkdtm: Saturation detected: still saturated # [ 93.832343] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 93.838719] lkdtm: attempting bad refcount_dec() from saturated # [ 93.845059] ------------[ cut here ]------------ # [ 93.849995] WARNING: CPU: 1 PID: 2964 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 # [ 93.858766] refcount_t: decrement hit 0; leaking memory. # [ 93.864444] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 93.894185] CPU: 1 PID: 2964 Comm: cat Tainted: G D W 5.10.178-cip31 #1 # [ 93.902195] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 93.908988] Backtrace: # [ 93.911726] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 93.919566] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fe78 # [ 93.925498] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 93.933082] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 93.940313] r9:00000009 r8:c0873420 r7:0000001f r6:00000009 r5:c0873420 r4:c1a24ef0 # [ 93.948330] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 93.956080] r7:0000001f r6:c1a24ef0 r5:c1a24f54 r4:c5bce000 # [ 93.962012] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) # [ 93.971240] r9:c1ad0fbc r8:c15e8ccc r7:c5bcff60 r6:00000017 r5:c6d0b000 r4:c5bce000 # [ 93.979257] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) # [ 93.989181] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_SATURATED+0x48/0x6c) # [ 93.999629] [] (lkdtm_REFCOUNT_DEC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 94.009111] r4:00000036 # [ 94.011916] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 94.020195] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 94.028381] r9:c5bcff60 r8:c30249c0 r7:00000017 r6:b6e44000 r5:c452e140 r4:c0c538dc # [ 94.036399] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 94.044498] r9:c07dfe80 r8:c5bcff60 r7:c2815800 r6:b6e44000 r5:c452e140 r4:00000000 # [ 94.052510] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 94.059916] r10:00000004 r9:00000000 r8:00000000 r7:b6e44000 r6:c5bce000 r5:c452e140 # [ 94.068009] r4:c452e140 # [ 94.070812] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 94.078217] r9:c5bce000 r8:c03002e4 r7:00000004 r6:b6f8be00 r5:00000017 r4:00000017 # [ 94.086233] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 94.094067] Exception stack(0xc5bcffa8 to 0xc5bcfff0) # [ 94.099389] ffa0: 00000017 00000017 00000001 b6e44000 00000017 00000000 # [ 94.107837] ffc0: 00000017 00000017 b6f8be00 00000004 00000001 00000000 00020000 be96eac4 # [ 94.116280] ffe0: 00000004 be96e7f8 b6ef64cf b6e7c7e6 # [ 94.121663] irq event stamp: 0 # [ 94.125019] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 94.130871] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1938 # [ 94.138664] softirqs last enabled at (0): [] copy_process+0x5f8/0x1938 # [ 94.146486] softirqs last disabled at (0): [<00000000>] 0x0 # [ 94.152366] ---[ end trace 67efd71f711676b0 ]--- # [ 94.157285] 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 <6>[ 94.607930] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED <6>[ 94.614367] lkdtm: attempting bad refcount_dec() from saturated <4>[ 94.620562] ------------[ cut here ]------------ <4>[ 94.625598] WARNING: CPU: 3 PID: 2999 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 <4>[ 94.634378] refcount_t: saturated; leaking memory. <4>[ 94.639439] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 94.668859] CPU: 3 PID: 2999 Comm: cat Tainted: G D W 5.10.178-cip31 #1 <4>[ 94.676871] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 94.683664] Backtrace: <4>[ 94.686400] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 94.694240] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fe78 <4>[ 94.700172] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 94.707755] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 94.714987] r9:00000009 r8:c0873488 r7:00000016 r6:00000009 r5:c0873488 r4:c1a24ef0 <4>[ 94.723003] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 94.730752] r7:00000016 r6:c1a24ef0 r5:c1a24ec8 r4:c68ce000 <4>[ 94.736686] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) <4>[ 94.745912] r9:c1ad0fd4 r8:c15e8ccc r7:c68cff60 r6:00000017 r5:c5dc2000 r4:c68ce000 <4>[ 94.753932] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) <4>[ 94.763859] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_SATURATED+0x4c/0x70) <4>[ 94.774304] [] (lkdtm_REFCOUNT_ADD_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 94.783788] r4:00000037 <4>[ 94.786590] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 94.794870] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 94.803056] r9:c68cff60 r8:c30249c0 r7:00000017 r6:b6e56000 r5:c5af9540 r4:c0c538dc <4>[ 94.811074] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 94.819173] r9:c07dfe80 r8:c68cff60 r7:c2815800 r6:b6e56000 r5:c5af9540 r4:00000000 <4>[ 94.827186] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 94.834591] r10:00000004 r9:00000000 r8:00000000 r7:b6e56000 r6:c68ce000 r5:c5af9540 <4>[ 94.842686] r4:c5af9540 <4>[ 94.845490] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 94.852894] r9:c68ce000 r8:c03002e4 r7:00000004 r6:b6f9de00 r5:00000017 r4:00000017 <4>[ 94.860910] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 94.868745] Exception stack(0xc68cffa8 to 0xc68cfff0) <4>[ 94.874067] ffa0: 00000017 00000017 00000001 b6e56000 00000017 00000000 <4>[ 94.882514] ffc0: 00000017 00000017 b6f9de00 00000004 00000001 00000000 00020000 bedbdac4 <4>[ 94.890959] ffe0: 00000004 bedbd7f8 b6f084cf b6e8e7e6 <4>[ 94.896340] irq event stamp: 0 <4>[ 94.899674] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 94.905552] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1938 <4>[ 94.913349] softirqs last enabled at (0): [] copy_process+0x5f8/0x1938 <4>[ 94.921152] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 94.927039] ---[ end trace 67efd71f711676b1 ]--- <6>[ 94.931963] lkdtm: Saturation detected: still saturated # [ 0.000000] CPU: ARMv7 Processor [412fc09a] revision 10 (ARMv7), cr=10c5387d # [ 0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache # [ 94.607930] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 94.614367] lkdtm: attempting bad refcount_dec() from saturated # [ 94.620562] ------------[ cut here ]------------ # [ 94.625598] WARNING: CPU: 3 PID: 2999 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 94.634378] refcount_t: saturated; leaking memory. # [ 94.639439] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 94.668859] CPU: 3 PID: 2999 Comm: cat Tainted: G D W 5.10.178-cip31 #1 # [ 94.676871] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 94.683664] Backtrace: # [ 94.686400] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 94.694240] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fe78 # [ 94.700172] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 94.707755] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 94.714987] r9:00000009 r8:c0873488 r7:00000016 r6:00000009 r5:c0873488 r4:c1a24ef0 # [ 94.723003] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 94.730752] r7:00000016 r6:c1a24ef0 r5:c1a24ec8 r4:c68ce000 # [ 94.736686] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 94.745912] r9:c1ad0fd4 r8:c15e8ccc r7:c68cff60 r6:00000017 r5:c5dc2000 r4:c68ce000 # [ 94.753932] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 94.763859] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_SATURATED+0x4c/0x70) # [ 94.774304] [] (lkdtm_REFCOUNT_ADD_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 94.783788] r4:00000037 # [ 94.786590] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 94.794870] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 94.803056] r9:c68cff60 r8:c30249c0 r7:00000017 r6:b6e56000 r5:c5af9540 r4:c0c538dc # [ 94.811074] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 94.819173] r9:c07dfe80 r8:c68cff60 r7:c2815800 r6:b6e56000 r5:c5af9540 r4:00000000 # [ 94.827186] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 94.834591] r10:00000004 r9:00000000 r8:00000000 r7:b6e56000 r6:c68ce000 r5:c5af9540 # [ 94.842686] r4:c5af9540 # [ 94.845490] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 94.852894] r9:c68ce000 r8:c03002e4 r7:00000004 r6:b6f9de00 r5:00000017 r4:00000017 # [ 94.860910] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 94.868745] Exception stack(0xc68cffa8 to 0xc68cfff0) # [ 94.874067] ffa0: 00000017 00000017 00000001 b6e56000 00000017 00000000 # [ 94.882514] ffc0: 00000017 00000017 b6f9de00 00000004 00000001 00000000 00020000 bedbdac4 # [ 94.890959] ffe0: 00000004 bedbd7f8 b6f084cf b6e8e7e6 # [ 94.896340] irq event stamp: 0 # [ 94.899674] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 94.905552] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1938 # [ 94.913349] softirqs last enabled at (0): [] copy_process+0x5f8/0x1938 # [ 94.921152] softirqs last disabled at (0): [<00000000>] 0x0 # [ 94.927039] ---[ end trace 67efd71f711676b1 ]--- # [ 94.931963] lkdtm: Satu<6>[ 95.370081] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED ration detected: still saturated <6>[ 95.378772] lkdtm: attempting bad refcount_inc_not_zero() from saturated # REFCOUNT_ADD_SATURATED: saw 'S<4>[ 95.388628] ------------[ cut here ]------------ aturation detected: still saturat<4>[ 95.396386] WARNING: CPU: 0 PID: 3031 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 ed': ok ok 54 selftests: lkdtm: <4>[ 95.407951] refcount_t: saturated; leaking memory. REFCOUNT_ADD_SATURATED.sh # self<4>[ 95.415967] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 tests: lkdtm: REFCOUNT_INC_NOT_ZE<4>[ 95.447890] CPU: 0 PID: 3031 Comm: cat Tainted: G D W 5.10.178-cip31 #1 <4>[ 95.458712] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 95.465504] Backtrace: <4>[ 95.468241] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 95.476082] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fe78 <4>[ 95.482016] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 95.489602] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 95.496833] r9:00000009 r8:c0873454 r7:00000013 r6:00000009 r5:c0873454 r4:c1a24ef0 <4>[ 95.504850] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 95.512599] r7:00000013 r6:c1a24ef0 r5:c1a24ec8 r4:c6b28000 <4>[ 95.518532] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) <4>[ 95.527760] r9:c1ad0fec r8:c15e8ccc r7:c6b29f60 r6:00000020 r5:c5ec9000 r4:c0000000 <4>[ 95.535776] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) <4>[ 95.546482] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x50/0x88) <4>[ 95.558484] r5:c5ec9000 r4:c6b28000 <4>[ 95.562334] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 95.572598] r4:00000038 <4>[ 95.575402] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 95.583681] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 95.591866] r9:c6b29f60 r8:c30249c0 r7:00000020 r6:b6e76000 r5:c5ab6f00 r4:c0c538dc <4>[ 95.599885] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 95.607984] r9:c07dfe80 r8:c6b29f60 r7:c2815800 r6:b6e76000 r5:c5ab6f00 r4:00000000 <4>[ 95.615997] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 95.623401] r10:00000004 r9:00000000 r8:00000000 r7:b6e76000 r6:c6b28000 r5:c5ab6f00 <4>[ 95.631495] r4:c5ab6f00 <4>[ 95.634299] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 95.641703] r9:c6b28000 r8:c03002e4 r7:00000004 r6:b6fbde00 r5:00000020 r4:00000020 <4>[ 95.649718] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 95.657554] Exception stack(0xc6b29fa8 to 0xc6b29ff0) <4>[ 95.662876] 9fa0: 00000020 00000020 00000001 b6e76000 00000020 00000000 <4>[ 95.671325] 9fc0: 00000020 00000020 b6fbde00 00000004 00000001 00000000 00020000 bec1dac4 <4>[ 95.679768] 9fe0: 00000004 bec1d7f8 b6f284cf b6eae7e6 RO_SATURATED.sh <4>[ 95.685165] irq event stamp: 0 <4>[ 95.689938] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 95.695813] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1938 <4>[ 95.703594] softirqs last enabled at (0): [] copy_process+0x5f8/0x1938 <4>[ 95.711351] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 95.717217] ---[ end trace 67efd71f711676b2 ]--- <6>[ 95.722127] lkdtm: Saturation detected: still saturated # [ 95.370081] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 95.378772] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 95.388628] ------------[ cut here ]------------ # [ 95.396386] WARNING: CPU: 0 PID: 3031 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 95.407951] refcount_t: saturated; leaking memory. # [ 95.415967] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 95.447890] CPU: 0 PID: 3031 Comm: cat Tainted: G D W 5.10.178-cip31 #1 # [ 95.458712] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 95.465504] Backtrace: # [ 95.468241] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 95.476082] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fe78 # [ 95.482016] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 95.489602] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 95.496833] r9:00000009 r8:c0873454 r7:00000013 r6:00000009 r5:c0873454 r4:c1a24ef0 # [ 95.504850] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 95.512599] r7:00000013 r6:c1a24ef0 r5:c1a24ec8 r4:c6b28000 # [ 95.518532] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 95.527760] r9:c1ad0fec r8:c15e8ccc r7:c6b29f60 r6:00000020 r5:c5ec9000 r4:c0000000 # [ 95.535776] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 95.546482] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x50/0x88) # [ 95.558484] r5:c5ec9000 r4:c6b28000 # [ 95.562334] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 95.572598] r4:00000038 # [ 95.575402] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 95.583681] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 95.591866] r9:c6b29f60 r8:c30249c0 r7:00000020 r6:b6e76000 r5:c5ab6f00 r4:c0c538dc # [ 95.599885] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 95.607984] r9:c07dfe80 r8:c6b29f60 r7:c2815800 r6:b6e76000 r5:c5ab6f00 r4:00000000 # [ 95.615997] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 95.623401] r10:00000004 r9:00000000 r8:00000000 r7:b6e76000 r6:c6b28000 r5:c5ab6f00 # [ 95.631495] r4:c5ab6f00 # [ 95.634299] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 95.641703] r9:c6b28000 r8:c03002e4 r7:00000004 r6:b6fbde00 r5:00000020 r4:00000020 # [ 95.649718] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 95.657554] Exception stack(0xc6b29fa8 to 0xc6b29ff0) # [ 95.662876] 9fa0: 00000020 00000020 00000001 b6e76000 00000020 00000000 # [ 95.671325] 9fc0: 00000020 00000020 b6fbde00 00000004 00000001 00000000 00020000 bec1dac4 # [ 95.679768] 9fe0: 00000004 bec1d7f8 b6f284cf b6eae7e6 # [ 95.685165] irq event stamp: 0 # [ 95.689938] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 95.695813] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1938 # [ 95.703594] softirqs last enabled at (0): [] copy_process+0x5f8/0x1938 # [ 95.711351] softirqs last disabled at (0): [<00000000>] 0x0 # [ 95.717217] ---[ end trace 67efd71f711676b2 ]--- # [ 95.722127] 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 <6>[ 96.171692] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # selftests: lkdtm: REFCOUNT_ADD_<6>[ 96.180301] lkdtm: attempting bad refcount_add_not_zero() from saturated NOT_ZERO_SATURATED.sh <4>[ 96.190262] ------------[ cut here ]------------ <4>[ 96.197103] WARNING: CPU: 3 PID: 3065 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 <4>[ 96.205904] refcount_t: saturated; leaking memory. <4>[ 96.210999] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 96.240401] CPU: 3 PID: 3065 Comm: cat Tainted: G D W 5.10.178-cip31 #1 <4>[ 96.248415] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 96.255208] Backtrace: <4>[ 96.257946] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 96.265786] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fe78 <4>[ 96.271720] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 96.279304] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 96.286536] r9:00000009 r8:c0873454 r7:00000013 r6:00000009 r5:c0873454 r4:c1a24ef0 <4>[ 96.294552] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 96.302303] r7:00000013 r6:c1a24ef0 r5:c1a24ec8 r4:c2f5e000 <4>[ 96.308238] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) <4>[ 96.317465] r9:c1ad100c r8:c15e8ccc r7:c2f5ff60 r6:00000020 r5:c6d5d000 r4:c0000000 <4>[ 96.325482] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) <4>[ 96.336190] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x50/0x88) <4>[ 96.348193] r5:c6d5d000 r4:c2f5e000 <4>[ 96.352042] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 96.362308] r4:00000039 <4>[ 96.365113] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 96.373393] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 96.381579] r9:c2f5ff60 r8:c30249c0 r7:00000020 r6:b6e3d000 r5:c5af8140 r4:c0c538dc <4>[ 96.389598] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 96.397697] r9:c07dfe80 r8:c2f5ff60 r7:c2815800 r6:b6e3d000 r5:c5af8140 r4:00000000 <4>[ 96.405711] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 96.413117] r10:00000004 r9:00000000 r8:00000000 r7:b6e3d000 r6:c2f5e000 r5:c5af8140 <4>[ 96.421210] r4:c5af8140 <4>[ 96.424016] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 96.431420] r9:c2f5e000 r8:c03002e4 r7:00000004 r6:b6f84e00 r5:00000020 r4:00000020 <4>[ 96.439436] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 96.447272] Exception stack(0xc2f5ffa8 to 0xc2f5fff0) <4>[ 96.452594] ffa0: 00000020 00000020 00000001 b6e3d000 00000020 00000000 <4>[ 96.461044] ffc0: 00000020 00000020 b6f84e00 00000004 00000001 00000000 00020000 beed1ac4 <4>[ 96.469490] ffe0: 00000004 beed17f8 b6eef4cf b6e757e6 <4>[ 96.474863] irq event stamp: 0 <4>[ 96.478197] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 96.484072] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1938 <4>[ 96.491870] softirqs last enabled at (0): [] copy_process+0x5f8/0x1938 <4>[ 96.499634] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 96.505512] ---[ end trace 67efd71f711676b3 ]--- <6>[ 96.510406] lkdtm: Saturation detected: still saturated # [ 96.171692] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 96.180301] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 96.190262] ------------[ cut here ]------------ # [ 96.197103] WARNING: CPU: 3 PID: 3065 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 96.205904] refcount_t: saturated; leaking memory. # [ 96.210999] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 96.240401] CPU: 3 PID: 3065 Comm: cat Tainted: G D W 5.10.178-cip31 #1 # [ 96.248415] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 96.255208] Backtrace: # [ 96.257946] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 96.265786] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fe78 # [ 96.271720] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 96.279304] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 96.286536] r9:00000009 r8:c0873454 r7:00000013 r6:00000009 r5:c0873454 r4:c1a24ef0 # [ 96.294552] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 96.302303] r7:00000013 r6:c1a24ef0 r5:c1a24ec8 r4:c2f5e000 # [ 96.308238] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 96.317465] r9:c1ad100c r8:c15e8ccc r7:c2f5ff60 r6:00000020 r5:c6d5d000 r4:c0000000 # [ 96.325482] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 96.336190] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x50/0x88) # [ 96.348193] r5:c6d5d000 r4:c2f5e000 # [ 96.352042] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 96.362308] r4:00000039 # [ 96.365113] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 96.373393] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 96.381579] r9:c2f5ff60 r8:c30249c0 r7:00000020 r6:b6e3d000 r5:c5af8140 r4:c0c538dc # [ 96.389598] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 96.397697] r9:c07dfe80 r8:c2f5ff60 r7:c2815800 r6:b6e3d000 r5:c5af8140 r4:00000000 # [ 96.405711] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 96.413117] r10:00000004 r9:00000000 r8:00000000 r7:b6e3d000 r6:c2f5e000 r5:c5af8140 # [ 96.421210] r4:c5af8140 # [ 96.424016] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 96.431420] r9:c2f5e000 r8:c03002e4 r7:00000004 r6:b6f84e00 r5:00000020 r4:00000020 # [ 96.439436] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 96.447272] Exception stack(0xc2f5ffa8 to 0xc2f5fff0) # [ 96.452594] ffa0: 00000020 00000020 00000001 b6e3d000 00000020 00000000 # [ 96.461044] ffc0: 00000020 00000020 b6f84e00 00000004 00000001 00000000 00020000 beed1ac4 # [ 96.469490] ffe0: 00000004 beed17f8 b6eef4cf b6e757e6 # [ 96.474863] irq event stamp: 0 # [ 96.478197] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 96.484072] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1938 # [ 96.491870] softirqs last enabled at (0): [] copy_process+0x5f8/0x1938 # [ 96.499634] softirqs last disabled at (0): [<00000000>] 0x0 # [ 96.505512] ---[ end trace 67efd71f711676b3 ]--- # [ 96.510406] 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 <6>[ 96.978299] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED <6>[ 96.985583] lkdtm: attempting bad refcount_dec_and_test() from saturated <4>[ 96.992657] ------------[ cut here ]------------ <4>[ 96.997570] WARNING: CPU: 0 PID: 3102 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 <4>[ 97.006504] refcount_t: underflow; use-after-free. <4>[ 97.011592] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 97.041107] CPU: 0 PID: 3102 Comm: cat Tainted: G D W 5.10.178-cip31 #1 <4>[ 97.049119] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 97.055912] Backtrace: <4>[ 97.058649] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 97.066489] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fe78 <4>[ 97.072424] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 97.080010] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 97.087242] r9:00000009 r8:c08734f0 r7:0000001c r6:00000009 r5:c08734f0 r4:c1a24ef0 <4>[ 97.095259] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 97.103009] r7:0000001c r6:c1a24ef0 r5:c1a24f2c r4:c68ce000 <4>[ 97.108943] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) <4>[ 97.118256] r9:c1ad102c r8:c15e8ccc r7:c68cff60 r6:00000020 r5:c5ec8000 r4:c68ce000 <4>[ 97.126277] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) <4>[ 97.136986] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x50/0x88) <4>[ 97.148995] [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 97.159260] r4:0000003a <4>[ 97.162063] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 97.170342] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 97.178528] r9:c68cff60 r8:c30249c0 r7:00000020 r6:b6e76000 r5:c5887cc0 r4:c0c538dc <4>[ 97.186545] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 97.194645] r9:c07dfe80 r8:c68cff60 r7:c2815800 r6:b6e76000 r5:c5887cc0 r4:00000000 <4>[ 97.202659] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 97.210063] r10:00000004 r9:00000000 r8:00000000 r7:b6e76000 r6:c68ce000 r5:c5887cc0 <4>[ 97.218157] r4:c5887cc0 <4>[ 97.220960] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 97.228365] r9:c68ce000 r8:c03002e4 r7:00000004 r6:b6fbde00 r5:00000020 r4:00000020 <4>[ 97.236381] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 97.244215] Exception stack(0xc68cffa8 to 0xc68cfff0) <4>[ 97.249539] ffa0: 00000020 00000020 00000001 b6e76000 00000020 00000000 <4>[ 97.257984] ffc0: 00000020 00000020 b6fbde00 00000004 00000001 00000000 00020000 becffac4 <4>[ 97.266428] ffe0: 00000004 becff7f8 b6f284cf b6eae7e6 <4>[ 97.271798] irq event stamp: 0 <4>[ 97.275134] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 97.280984] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1938 <4>[ 97.288802] softirqs last enabled at (0): [] copy_process+0x5f8/0x1938 <4>[ 97.296584] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 97.302451] ---[ end trace 67efd71f711676b4 ]--- <6>[ 97.307342] lkdtm: Saturation detected: still saturated # [ 96.978299] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 96.985583] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 96.992657] ------------[ cut here ]------------ # [ 96.997570] WARNING: CPU: 0 PID: 3102 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 97.006504] refcount_t: underflow; use-after-free. # [ 97.011592] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 97.041107] CPU: 0 PID: 3102 Comm: cat Tainted: G D W 5.10.178-cip31 #1 # [ 97.049119] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 97.055912] Backtrace: # [ 97.058649] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 97.066489] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fe78 # [ 97.072424] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 97.080010] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 97.087242] r9:00000009 r8:c08734f0 r7:0000001c r6:00000009 r5:c08734f0 r4:c1a24ef0 # [ 97.095259] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 97.103009] r7:0000001c r6:c1a24ef0 r5:c1a24f2c r4:c68ce000 # [ 97.108943] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 97.118256] r9:c1ad102c r8:c15e8ccc r7:c68cff60 r6:00000020 r5:c5ec8000 r4:c68ce000 # [ 97.126277] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 97.136986] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x50/0x88) # [ 97.148995] [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 97.159260] r4:0000003a # [ 97.162063] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 97.170342] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 97.178528] r9:c68cff60 r8:c30249c0 r7:00000020 r6:b6e76000 r5:c5887cc0 r4:c0c538dc # [ 97.186545] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 97.194645] r9:c07dfe80 r8:c68cff60 r7:c2815800 r6:b6e76000 r5:c5887cc0 r4:00000000 # [ 97.202659] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 97.210063] r10:00000004 r9:00000000 r8:00000000 r7:b6e76000 r6:c68ce000 r5:c5887cc0 # [ 97.218157] r4:c5887cc0 # [ 97.220960] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 97.228365] r9:c68ce000 r8:c03002e4 r7:00000004 r6:b6fbde00 r5:00000020 r4:00000020 # [ 97.236381] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 97.244215] Exception stack(0xc68cffa8 to 0xc68cfff0) # [ 97.249539] ffa0: 00000020 00000020 00000001 b6e76000 00000020 00000000 # [ 97.257984] ffc0: 00000020 00000020 b6fbde00 00000004 00000001 00000000 00020000 becffac4 # [ 97.266428] ffe0: 00000004 becff7f8 b6f284cf b6eae7e6 # [ 97.271798] irq event stamp: 0 # [ 97.275134] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 97.280984] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1938 # [ 97.288802] softirqs last enabled at (0): [] copy_process+0x5f8/0x1938 # [ 97.296584] softirqs last disabled at (0): [<00000000>] 0x0 # [ 97.302451] ---[ end trace 67efd71f711676b4 ]--- # [ 97.307342] 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 <6>[ 97.770848] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED <6>[ 97.778069] lkdtm: attempting bad refcount_sub_and_test() from saturated <4>[ 97.785134] ------------[ cut here ]------------ <4>[ 97.790045] WARNING: CPU: 1 PID: 3137 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 <4>[ 97.798894] refcount_t: underflow; use-after-free. <4>[ 97.803997] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 <4>[ 97.833487] CPU: 1 PID: 3137 Comm: cat Tainted: G D W 5.10.178-cip31 #1 <4>[ 97.841502] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 97.848299] Backtrace: <4>[ 97.851044] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 97.858887] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fe78 <4>[ 97.864825] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 97.872415] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 97.879652] r9:00000009 r8:c08734f0 r7:0000001c r6:00000009 r5:c08734f0 r4:c1a24ef0 <4>[ 97.887675] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 97.895429] r7:0000001c r6:c1a24ef0 r5:c1a24f2c r4:c6af6000 <4>[ 97.901365] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) <4>[ 97.910685] r9:c1ad104c r8:c15e8ccc r7:c6af7f60 r6:00000020 r5:c6c2f000 r4:c6af6000 <4>[ 97.918708] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) <4>[ 97.929423] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x50/0x88) <4>[ 97.941438] [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 97.951704] r4:0000003b <4>[ 97.954513] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 97.962796] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 97.970986] r9:c6af7f60 r8:c30249c0 r7:00000020 r6:b6db6000 r5:c585adc0 r4:c0c538dc <4>[ 97.979010] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 97.987113] r9:c07dfe80 r8:c6af7f60 r7:c2815800 r6:b6db6000 r5:c585adc0 r4:00000000 <4>[ 97.995131] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 98.002539] r10:00000004 r9:00000000 r8:00000000 r7:b6db6000 r6:c6af6000 r5:c585adc0 <4>[ 98.010635] r4:c585adc0 <4>[ 98.013443] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 98.020850] r9:c6af6000 r8:c03002e4 r7:00000004 r6:b6efde00 r5:00000020 r4:00000020 <4>[ 98.028871] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 98.036710] Exception stack(0xc6af7fa8 to 0xc6af7ff0) <4>[ 98.042035] 7fa0: 00000020 00000020 00000001 b6db6000 00000020 00000000 <4>[ 98.050486] 7fc0: 00000020 00000020 b6efde00 00000004 00000001 00000000 00020000 be942ac4 <4>[ 98.058934] 7fe0: 00000004 be9427f8 b6e684cf b6dee7e6 <4>[ 98.064330] irq event stamp: 0 <4>[ 98.067674] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 98.073562] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1938 <4>[ 98.081345] softirqs last enabled at (0): [] copy_process+0x5f8/0x1938 <4>[ 98.089172] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 98.095072] ---[ end trace 67efd71f711676b5 ]--- <6>[ 98.099972] lkdtm: Saturation detected: still saturated # [ 97.770848] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 97.778069] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 97.785134] ------------[ cut here ]------------ # [ 97.790045] WARNING: CPU: 1 PID: 3137 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 97.798894] refcount_t: underflow; use-after-free. # [ 97.803997] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 97.833487] CPU: 1 PID: 3137 Comm: cat Tainted: G D W 5.10.178-cip31 #1 # [ 97.841502] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 97.848299] Backtrace: # [ 97.851044] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 97.858887] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fe78 # [ 97.864825] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 97.872415] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 97.879652] r9:00000009 r8:c08734f0 r7:0000001c r6:00000009 r5:c08734f0 r4:c1a24ef0 # [ 97.887675] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 97.895429] r7:0000001c r6:c1a24ef0 r5:c1a24f2c r4:c6af6000 # [ 97.901365] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 97.910685] r9:c1ad104c r8:c15e8ccc r7:c6af7f60 r6:00000020 r5:c6c2f000 r4:c6af6000 # [ 97.918708] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 97.929423] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x50/0x88) # [ 97.941438] [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 97.951704] r4:0000003b # [ 97.954513] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 97.962796] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 97.970986] r9:c6af7f60 r8:c30249c0 r7:00000020 r6:b6db6000 r5:c585adc0 r4:c0c538dc # [ 97.979010] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 97.987113] r9:c07dfe80 r8:c6af7f60 r7:c2815800 r6:b6db6000 r5:c585adc0 r4:00000000 # [ 97.995131] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 98.002539] r10:00000004 r9:00000000 r8:00000000 r7:b6db6000 r6:c6af6000 r5:c585adc0 # [ 98.010635] r4:c585adc0 # [ 98.013443] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 98.020850] r9:c6af6000 r8:c03002e4 r7:00000004 r6:b6efde00 r5:00000020 r4:00000020 # [ 98.028871] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 98.036710] Exception stack(0xc6af7fa8 to 0xc6af7ff0) # [ 98.042035] 7fa0: 00000020 00000020 00000001 b6db6000 00000020 00000000 # [ 98.050486] 7fc0: 00000020 00000020 b6efde00 00000004 00000001 00000000 00020000 be942ac4 # [ 98.058934] 7fe0: 00000004 be9427f8 b6e684cf b6dee7e6 # [ 98.064330] irq event stamp: 0 # [ 98.067674] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 98.073562] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1938 # [ 98.081345] softirqs last enabled at (0): [] copy_process+0x5f8/0x1938 # [ 98.089172] softirqs last disabled at (0): [<00000000>] 0x0 # [ 98.095072] ---[ end trace 67efd71f711676b5 ]--- # [ 98.099972] 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 <6>[ 98.919649] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO <6>[ 98.926011] lkdtm: attempting good copy_to_user of correct size <6>[ 98.932294] lkdtm: attempting bad copy_to_user of too large size # [ 98.919649] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 98.926011] lkdtm: attempting good copy_to_user of correct size # [ 98.932294] 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 <6>[ 99.369976] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM <6>[ 99.376524] lkdtm: attempting good copy_from_user of correct size <6>[ 99.382952] lkdtm: attempting bad copy_from_user of too large size # [ 99.369976] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 99.376524] lkdtm: attempting good copy_from_user of correct size # [ 99.382952] 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 <6>[ 99.814463] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO <6>[ 99.821208] lkdtm: attempting good copy_to_user inside whitelist <6>[ 99.827726] lkdtm: attempting bad copy_to_user outside whitelist # [ 99.814463] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 99.821208] lkdtm: attempting good copy_to_user inside whitelist # [ 99.827726] 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 <6>[ 100.251214] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM <6>[ 100.258333] lkdtm: attempting good copy_from_user inside whitelist <6>[ 100.264875] lkdtm: attempting bad copy_from_user outside whitelist # [ 100.251214] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 100.258333] lkdtm: attempting good copy_from_user inside whitelist # [ 100.264875] 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 <6>[ 100.706119] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO <6>[ 100.712764] lkdtm: good_stack: c5881e0c-c5881e2c <6>[ 100.717687] lkdtm: bad_stack : c5881d84-c5881da4 <6>[ 100.722635] lkdtm: attempting good copy_to_user of local stack <6>[ 100.728782] lkdtm: attempting bad copy_to_user of distant stack # [ 100.706119] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 100.712764] lkdtm: good_stack: c5881e0c-c5881e2c # [ 100.717687] lkdtm: bad_stack : c5881d84-c5881da4 # [ 100.722635] lkdtm: attempting good copy_to_user of local stack # [ 100.728782] 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 <6>[ 101.157523] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM <6>[ 101.164239] lkdtm: good_stack: c5b35e0c-c5b35e2c <6>[ 101.169128] lkdtm: bad_stack : c5b35d84-c5b35da4 <6>[ 101.174064] lkdtm: attempting good copy_from_user of local stack <6>[ 101.180353] lkdtm: attempting bad copy_from_user of distant stack # [ 101.157523] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 101.164239] lkdtm: good_stack: c5b35e0c-c5b35e2c # [ 101.169128] lkdtm: bad_stack : c5b35d84-c5b35da4 # [ 101.174064] lkdtm: attempting good copy_from_user of local stack # [ 101.180353] 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 <6>[ 101.610360] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND <6>[ 101.616716] lkdtm: good_stack: c5a8de0c-c5a8de2c <6>[ 101.621610] lkdtm: bad_stack : c5a8dffc-c5a8e01c <6>[ 101.626583] lkdtm: attempting good copy_to_user of local stack <6>[ 101.632793] lkdtm: attempting bad copy_to_user of distant stack # [ 101.610360] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 101.616716] lkdtm: good_stack: c5a8de0c-c5a8de2c # [ 101.621610] lkdtm: bad_stack : c5a8dffc-c5a8e01c # [ 101.626583] lkdtm: attempting good copy_to_user of local stack # [ 101.632793] 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 <6>[ 102.059713] lkdtm: Performing direct entry USERCOPY_KERNEL <6>[ 102.065619] lkdtm: attempting good copy_to_user from kernel rodata: c15e8f78 <6>[ 102.073084] lkdtm: attempting bad copy_to_user from kernel text: c053c86c <3>[ 102.080156] lkdtm: FAIL: survived bad copy_to_user() # [ 102.059713] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 102.065619] lkdtm: attempting good copy_to_user from kernel rodata: c15e8f78 # [ 102.073084] lkdtm: attempting bad copy_to_user from kernel text: c053c86c # [ 102.080156] 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 <6>[ 102.528106] lkdtm: Performing direct entry STACKLEAK_ERASING <6>[ 102.534125] lkdtm: checking unused part of the thread stack (7732 bytes)... <3>[ 102.541399] lkdtm: FAIL: the erased part is not found (checked 7732 bytes) <3>[ 102.548677] lkdtm: FAIL: the thread stack is NOT properly erased <4>[ 102.555018] CPU: 0 PID: 3502 Comm: cat Tainted: G D W 5.10.178-cip31 #1 <4>[ 102.563031] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 102.569823] Backtrace: <4>[ 102.572561] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 102.580400] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fe78 <4>[ 102.586334] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 102.593917] [] (dump_stack) from [] (lkdtm_STACKLEAK_ERASING+0x148/0x174) <4>[ 102.602712] r9:c1ad1154 r8:c15e8ccc r7:c68cff60 r6:c68cfe34 r5:c68ce000 r4:0000078d <4>[ 102.610728] [] (lkdtm_STACKLEAK_ERASING) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 102.619781] r8:c15e8ccc r7:c68cff60 r6:00000012 r5:c5ae8000 r4:00000046 <4>[ 102.626752] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 102.635031] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 102.643219] r9:c68cff60 r8:c30249c0 r7:00000012 r6:b6e2a000 r5:c59e6b40 r4:c0c538dc <4>[ 102.651239] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 102.659339] r9:c07dfe80 r8:c68cff60 r7:c2815800 r6:b6e2a000 r5:c59e6b40 r4:00000000 <4>[ 102.667352] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 102.674758] r10:00000004 r9:00000000 r8:00000000 r7:b6e2a000 r6:c68ce000 r5:c59e6b40 <4>[ 102.682851] r4:c59e6b40 <4>[ 102.685656] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 102.693059] r9:c68ce000 r8:c03002e4 r7:00000004 r6:b6f71e00 r5:00000012 r4:00000012 <4>[ 102.701075] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 102.708911] Exception stack(0xc68cffa8 to 0xc68cfff0) <4>[ 102.714234] ffa0: 00000012 00000012 00000001 b6e2a000 00000012 00000000 <4>[ 102.722681] ffc0: 00000012 00000012 b6f71e00 00000004 00000001 00000000 00020000 be93cac4 <4>[ 102.731125] ffe0: 00000004 be93c7f8 b6edc4cf b6e627e6 # [ 102.528106] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 102.534125] lkdtm: checking unused part of the thread stack (7732 bytes)... # [ 102.541399] lkdtm: FAIL: the erased part is not found (checked 7732 bytes) # [ 102.548677] lkdtm: FAIL: the thread stack is NOT properly erased # [ 102.555018] CPU: 0 PID: 3502 Comm: cat Tainted: G D W 5.10.178-cip31 #1 # [ 102.563031] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 102.569823] Backtrace: # [ 102.572561] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 102.580400] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fe78 # [ 102.586334] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 102.593917] [] (dump_stack) from [] (lkdtm_STACKLEAK_ERASING+0x148/0x174) # [ 102.602712] r9:c1ad1154 r8:c15e8ccc r7:c68cff60 r6:c68cfe34 r5:c68ce000 r4:0000078d # [ 102.610728] [] (lkdtm_STACKLEAK_ERASING) from [] (lkdtm_do_action+0x2c/0x4c) # [ 102.619781] r8:c15e8ccc r7:c68cff60 r6:00000012 r5:c5ae8000 r4:00000046 # [ 102.626752] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 102.635031] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 102.643219] r9:c68cff60 r8:c30249c0 r7:00000012 r6:b6e2a000 r5:c59e6b40 r4:c0c538dc # [ 102.651239] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 102.659339] r9:c07dfe80 r8:c68cff60 r7:c2815800 r6:b6e2a000 r5:c59e6b40 r4:00000000 # [ 102.667352] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 102.674758] r10:00000004 r9:00000000 r8:00000000 r7:b6e2a000 r6:c68ce000 r5:c59e6b40 # [ 102.682851] r4:c59e6b40 # [ 102.685656] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 102.693059] r9:c68ce000 r8:c03002e4 r7:00000004 r6:b6f71e00 r5:00000012 r4:00000012 # [ 102.701075] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 102.708911] Exception stack(0xc68cffa8 to 0xc68cfff0) # [ 102.714234] ffa0: 00000012 00000012 00000001 b6e2a000 00000012 00000000 # [ 102.722681] ffc0: 00000012 00000012 b6f71e00 00000004 00000001 00000000 00020000 be93cac4 # [ 102.731125] ffe0: 00000004 be93c7f8 b6edc4cf b6e627e6 # 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 <6>[ 103.181110] lkdtm: Performing direct entry CFI_FORWARD_PROTO <6>[ 103.187143] lkdtm: Calling matched prototype ... <6>[ 103.192089] lkdtm: Calling mismatched prototype ... <6>[ 103.197273] lkdtm: Fail: survived mismatched prototype function call! # [ 103.181110] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 103.187143] lkdtm: Calling matched prototype ... # [ 103.192089] lkdtm: Calling mismatched prototype ... # [ 103.197273] lkdtm: Fail: survived mismatched prototype function call! # CFI_FORWARD_PROTO: missing 'call trace:': [FAIL] not ok 70 selftests: lkdtm: CFI_FORWARD_PROTO.sh # exit=1 lkdtm_PANIC_sh skip lkdtm_BUG_sh pass lkdtm_WARNING_sh pass lkdtm_WARNING_MESSAGE_sh pass lkdtm_EXCEPTION_sh fail lkdtm_LOOP_sh skip lkdtm_EXHAUST_STACK_sh skip lkdtm_CORRUPT_STACK_sh skip lkdtm_CORRUPT_STACK_STRONG_sh skip lkdtm_CORRUPT_LIST_ADD_sh fail lkdtm_CORRUPT_LIST_DEL_sh fail lkdtm_STACK_GUARD_PAGE_LEADING_sh fail lkdtm_STACK_GUARD_PAGE_TRAILING_sh fail lkdtm_UNSET_SMEP_sh skip lkdtm_DOUBLE_FAULT_sh skip lkdtm_CORRUPT_PAC_sh skip lkdtm_UNALIGNED_LOAD_STORE_WRITE_sh skip lkdtm_OVERWRITE_ALLOCATION_sh skip lkdtm_WRITE_AFTER_FREE_sh skip lkdtm_READ_AFTER_FREE_sh fail lkdtm_WRITE_BUDDY_AFTER_FREE_sh skip lkdtm_READ_BUDDY_AFTER_FREE_sh fail lkdtm_SLAB_FREE_DOUBLE_sh fail lkdtm_SLAB_FREE_CROSS_sh fail lkdtm_SLAB_FREE_PAGE_sh fail lkdtm_SOFTLOCKUP_sh skip lkdtm_HARDLOCKUP_sh skip lkdtm_SPINLOCKUP_sh skip lkdtm_HUNG_TASK_sh skip lkdtm_EXEC_DATA_sh fail lkdtm_EXEC_STACK_sh fail lkdtm_EXEC_KMALLOC_sh fail lkdtm_EXEC_VMALLOC_sh fail lkdtm_EXEC_RODATA_sh fail lkdtm_EXEC_USERSPACE_sh fail lkdtm_EXEC_NULL_sh fail lkdtm_ACCESS_USERSPACE_sh fail lkdtm_ACCESS_NULL_sh fail lkdtm_WRITE_RO_sh fail lkdtm_WRITE_RO_AFTER_INIT_sh fail lkdtm_WRITE_KERN_sh fail lkdtm_REFCOUNT_INC_OVERFLOW_sh fail lkdtm_REFCOUNT_ADD_OVERFLOW_sh fail lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW_sh fail lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW_sh fail lkdtm_REFCOUNT_DEC_ZERO_sh fail lkdtm_REFCOUNT_DEC_NEGATIVE_sh pass lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE_sh pass lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE_sh pass lkdtm_REFCOUNT_INC_ZERO_sh fail lkdtm_REFCOUNT_ADD_ZERO_sh fail lkdtm_REFCOUNT_INC_SATURATED_sh pass lkdtm_REFCOUNT_DEC_SATURATED_sh pass lkdtm_REFCOUNT_ADD_SATURATED_sh pass lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED_sh fail lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED_sh fail lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED_sh pass lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED_sh pass lkdtm_REFCOUNT_TIMING_sh skip lkdtm_ATOMIC_TIMING_sh skip lkdtm_USERCOPY_HEAP_SIZE_TO_sh fail lkdtm_USERCOPY_HEAP_SIZE_FROM_sh fail lkdtm_USERCOPY_HEAP_WHITELIST_TO_sh fail lkdtm_USERCOPY_HEAP_WHITELIST_FROM_sh fail lkdtm_USERCOPY_STACK_FRAME_TO_sh fail lkdtm_USERCOPY_STACK_FRAME_FROM_sh fail lkdtm_USERCOPY_STACK_BEYOND_sh fail lkdtm_USERCOPY_KERNEL_sh fail lkdtm_STACKLEAK_ERASING_sh fail lkdtm_CFI_FORWARD_PROTO_sh fail + ../../utils/send-to-lava.sh ./output/result.txt + set +x / #