[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 192.168.201.35 (5 ms) => setenv serverip 192.168.201.1 setenv serverip 192.168.201.1 => tftp 0x10000000 13869996/tftp-deploy-4tewdu66/kernel/zImage tftp 0x10000000 13869996/tftp-deploy-4tewdu66/kernel/zImage Using FEC device TFTP from server 192.168.201.1; our IP address is 192.168.201.35 Filename '13869996/tftp-deploy-4tewdu66/kernel/zImage'. Load address: 0x10000000 Loading: *################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ### 14.2 MiB/s done Bytes transferred = 12440064 (bdd200 hex) => tftp 0x14000000 13869996/tftp-deploy-4tewdu66/ramdisk/ramdisk.cpio.gz.uboot tftp 0x14000000 13869996/tftp-deploy-4tewdu66/ramdisk/ramdisk.cpio.gz.uboot Using FEC device TFTP from server 192.168.201.1; our IP address is 192.168.201.35 Filename '13869996/tftp-deploy-4tewdu66/ramdisk/ramdisk.cpio.gz.uboot'. Load address: 0x14000000 Loading: *################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# #### 5.8 MiB/s done Bytes transferred = 16278245 (f862e5 hex) => setenv initrd_size ${filesize} setenv initrd_size ${filesize} => tftp 0x13f00000 13869996/tftp-deploy-4tewdu66/dtb/imx6q-sabrelite.dtb tftp 0x13f00000 13869996/tftp-deploy-4tewdu66/dtb/imx6q-sabrelite.dtb Using FEC device TFTP from server 192.168.201.1; our IP address is 192.168.201.35 Filename '13869996/tftp-deploy-4tewdu66/dtb/imx6q-sabrelite.dtb'. Load address: 0x13f00000 Loading: *### 5.1 MiB/s done Bytes transferred = 42661 (a6a5 hex) => setenv bootargs 'console=ttymxc1,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/13869996/extract-nfsrootfs-qgqsq17o,tcp,hard,v3 console_msg_format=syslog earlycon deferred_probe_timeout=60 ip=dhcp' setenv bootargs 'console=ttymxc1,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/13869996/extract-nfsrootfs-qgqsq17o,tcp,hard,v3 console_msg_format=syslog earlycon deferred_probe_timeout=60 ip=dhcp' => bootz 0x10000000 0x14000000 0x13f00000 bootz 0x10000000 0x14000000 0x13f00000 Kernel image @ 0x10000000 [ 0x000000 - 0xbdd200 ] ## Loading init Ramdisk from Legacy Image at 14000000 ... Image Name: Image Type: ARM Linux RAMDisk Image (uncompressed) Data Size: 16278181 Bytes = 15.5 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 13f0d6a4 Starting kernel ... [ 0.000000] Booting Linux on physical CPU 0x0 [ 0.000000] Linux version 5.10.217-cip47 (KernelCI@build-j199856-arm-gcc-10-multi-v7-defconfig-kselftest-8s5p2) (arm-linux-gnueabihf-gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Fri May 17 17:09:47 UTC 2024 [ 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/13869996/extract-nfsrootfs-qgqsq17o,tcp,hard,v3 console_msg_format=syslog earlycon deferred_probe_timeout=60 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: 920564K/1048576K available (17408K kernel code, 2711K rwdata, 8124K rodata, 2048K init, 6692K bss, 62476K 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 55539 entries in 163 pages <6>[ 0.000000] ftrace: allocated 163 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>[ 0.000010] sched_clock: 32 bits at 3000kHz, resolution 333ns, wraps every 715827882841ns <6>[ 0.008447] clocksource: mxc_timer1: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 637086815595 ns <6>[ 0.022942] Console: colour dummy device 80x30 <4>[ 0.024850] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar <4>[ 0.032856] ... MAX_LOCKDEP_SUBCLASSES: 8 <4>[ 0.037200] ... MAX_LOCK_DEPTH: 48 <4>[ 0.041613] ... MAX_LOCKDEP_KEYS: 8192 <4>[ 0.046249] ... CLASSHASH_SIZE: 4096 <4>[ 0.050834] ... MAX_LOCKDEP_ENTRIES: 32768 <4>[ 0.055556] ... MAX_LOCKDEP_CHAINS: 65536 <4>[ 0.060229] ... CHAINHASH_SIZE: 32768 <4>[ 0.064928] memory used by lock dependency info: 4061 kB <4>[ 0.070608] memory used for stack traces: 2112 kB <4>[ 0.075654] per task-struct memory footprint: 1536 bytes <6>[ 0.081343] Calibrating delay loop (skipped), value calculated using timer frequency.. 6.00 BogoMIPS (lpj=30000) <6>[ 0.091756] CPU: Testing write buffer coherency: ok <6>[ 0.096895] CPU0: Spectre v2: using BPIALL workaround <6>[ 0.102169] pid_max: default: 32768 minimum: 301 <6>[ 0.107369] LSM: Security Framework initializing <6>[ 0.111991] LSM support for eBPF active <6>[ 0.116145] Mount-cache hash table entries: 2048 (order: 1, 8192 bytes, linear) <6>[ 0.123588] Mountpoint-cache hash table entries: 2048 (order: 1, 8192 bytes, linear) <6>[ 0.135057] CPU0: thread -1, cpu 0, socket 0, mpidr 80000000 <6>[ 0.141564] Setting up static identity map for 0x10300000 - 0x103000ac <6>[ 0.147937] rcu: Hierarchical SRCU implementation. <6>[ 0.159268] EFI services will not be available. <6>[ 0.162331] smp: Bringing up secondary CPUs ... <6>[ 0.168841] CPU1: thread -1, cpu 1, socket 0, mpidr 80000001 <6>[ 0.168855] CPU1: Spectre v2: using BPIALL workaround <6>[ 0.180606] CPU2: thread -1, cpu 2, socket 0, mpidr 80000002 <6>[ 0.180621] 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>[ 0.201080] smp: Brought up 1 node, 4 CPUs <6>[ 0.204794] SMP: Total of 4 processors activated (24.00 BogoMIPS). <6>[ 0.211330] CPU: All CPU(s) started in SVC mode. <6>[ 0.218576] devtmpfs: initialized <6>[ 0.266605] VFP support v0.3: implementor 41 architecture 3 part 30 variant 9 rev 4 <6>[ 0.274022] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns <6>[ 0.281960] futex hash table entries: 1024 (order: 4, 65536 bytes, linear) <6>[ 0.293647] pinctrl core: initialized pinctrl subsystem <6>[ 0.302608] DMI not present or invalid. <6>[ 0.306077] NET: Registered protocol family 16 <6>[ 0.318198] DMA: preallocated 256 KiB pool for atomic coherent allocations <6>[ 0.330882] thermal_sys: Registered thermal governor 'step_wise' <6>[ 0.331390] cpuidle: using governor menu <6>[ 0.339511] CPU identified as i.MX6Q, silicon rev 1.2 <6>[ 0.970361] vdd1p1: supplied by regulator-dummy <6>[ 0.999040] vdd3p0: supplied by regulator-dummy <6>[ 1.027359] vdd2p5: supplied by regulator-dummy <6>[ 1.055673] vddarm: supplied by regulator-dummy <6>[ 1.084676] vddpu: supplied by regulator-dummy <6>[ 1.112155] vddsoc: supplied by regulator-dummy <6>[ 2.235220] No ATAGs? <6>[ 2.236171] hw-breakpoint: found 5 (+1 reserved) breakpoint and 1 watchpoint registers. <6>[ 2.243196] hw-breakpoint: maximum watchpoint size is 4 bytes. <6>[ 2.266227] imx6q-pinctrl 20e0000.pinctrl: initialized IMX pinctrl driver <6>[ 2.295629] Serial: AMBA PL011 UART driver <6>[ 2.351897] Kprobes globally optimized <6>[ 2.454772] iommu: Default domain type: Translated <6>[ 2.458985] vgaarb: loaded <5>[ 2.464243] SCSI subsystem initialized <6>[ 2.467389] usbcore: registered new interface driver usbfs <6>[ 2.471415] usbcore: registered new interface driver hub <6>[ 2.476983] usbcore: registered new device driver usb <6>[ 2.488746] i2c i2c-0: IMX I2C adapter registered <6>[ 2.497065] i2c i2c-1: IMX I2C adapter registered <6>[ 2.503166] i2c i2c-2: IMX I2C adapter registered <6>[ 2.509408] pps_core: LinuxPPS API ver. 1 registered <6>[ 2.511806] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <6>[ 2.521308] PTP clock support registered <6>[ 2.540759] clocksource: Switched to clocksource mxc_timer1 <6>[ 4.304436] NET: Registered protocol family 2 <6>[ 4.306943] IP idents hash table entries: 16384 (order: 5, 131072 bytes, linear) <6>[ 4.317466] tcp_listen_portaddr_hash hash table entries: 512 (order: 2, 22528 bytes, linear) <6>[ 4.323552] TCP established hash table entries: 8192 (order: 3, 32768 bytes, linear) <6>[ 4.331577] TCP bind hash table entries: 8192 (order: 6, 327680 bytes, linear) <6>[ 4.340227] TCP: Hash tables configured (established 8192 bind 8192) <6>[ 4.346797] MPTCP token hash table entries: 1024 (order: 3, 49152 bytes, linear) <6>[ 4.353463] UDP hash table entries: 512 (order: 3, 49152 bytes, linear) <6>[ 4.360184] UDP-Lite hash table entries: 512 (order: 3, 49152 bytes, linear) <6>[ 4.368035] NET: Registered protocol family 1 <6>[ 4.374405] RPC: Registered named UNIX socket transport module. <6>[ 4.378078] RPC: Registered udp transport module. <6>[ 4.383128] RPC: Registered tcp transport module. <6>[ 4.387988] RPC: Registered tcp NFSv4.1 backchannel transport module. <6>[ 4.394771] NET: Registered protocol family 44 <6>[ 4.399411] PCI: CLS 0 bytes, default 64 <6>[ 4.405898] Trying to unpack rootfs image as initramfs... <6>[ 6.261627] Freeing initrd memory: 15900K <4>[ 6.264147] hw perfevents: no interrupt-affinity property for /pmu, guessing. <6>[ 6.272011] hw perfevents: enabled with armv7_cortex_a9 PMU driver, 7 counters available <5>[ 6.286860] Initialise system trusted keyrings <6>[ 6.289832] workingset: timestamp_bits=30 max_order=18 bucket_order=0 <6>[ 6.337519] squashfs: version 4.0 (2009/01/31) Phillip Lougher <5>[ 6.344030] NFS: Registering the id_resolver key type <5>[ 6.346641] Key type id_resolver registered <5>[ 6.351036] Key type id_legacy registered <6>[ 6.355723] nfs4filelayout_init: NFSv4 File Layout Driver Registering... <6>[ 6.362294] nfs4flexfilelayout_init: NFSv4 Flexfile Layout Driver Registering... <6>[ 6.369988] ntfs: driver 2.1.32 [Flags: R/O]. <5>[ 6.376318] Key type asymmetric registered <5>[ 6.378877] Asymmetric key parser 'x509' registered <6>[ 6.384305] bounce: pool size: 64 pages <6>[ 6.388125] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 247) <6>[ 6.395780] io scheduler mq-deadline registered <6>[ 6.400460] io scheduler kyber registered <4>[ 6.405553] test_firmware: interface ready <6>[ 6.564721] mxs-dma 110000.dma-controller: initialized <4>[ 6.624032] imx-sdma 20ec000.dma-controller: Direct firmware load for imx/sdma/sdma-imx6q.bin failed with error -2 <6>[ 6.632158] imx-sdma 20ec000.dma-controller: external firmware not found, using ROM firmware <6>[ 6.849975] Serial: 8250/16550 driver, 5 ports, IRQ sharing enabled <6>[ 6.871822] SuperH (H)SCI(F) driver initialized <6>[ 6.876371] 2020000.serial: ttymxc0 at MMIO 0x2020000 (irq = 34, base_baud = 5000000) is a IMX <6>[ 6.887267] 21e8000.serial: ttymxc1 at MMIO 0x21e8000 (irq = 81, base_baud = 5000000) is a IMX <6>[ 6.893802] printk: console [ttymxc1] enabled <6>[ 6.893802] printk: console [ttymxc1] enabled <6>[ 6.902593] printk: bootconsole [ec_imx21] disabled <6>[ 6.902593] printk: bootconsole [ec_imx21] disabled <6>[ 6.918461] msm_serial: driver initialized <6>[ 6.923899] STMicroelectronics ASC driver initialized <6>[ 6.935066] STM32 USART driver initialized <6>[ 6.959094] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 0 <4>[ 6.979029] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 6.987605] panel-simple panel-lcd: Specify missing connector_type <4>[ 6.995492] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 7.044399] brd: module loaded <6>[ 7.089553] loop: module loaded <6>[ 7.095811] lkdtm: No crash points registered, enable through debugfs <6>[ 7.116452] ahci-imx 2200000.sata: fsl,transmit-level-mV not specified, using 00000024 <6>[ 7.124815] ahci-imx 2200000.sata: fsl,transmit-boost-mdB not specified, using 00000480 <6>[ 7.133172] ahci-imx 2200000.sata: fsl,transmit-atten-16ths not specified, using 00002000 <6>[ 7.141696] ahci-imx 2200000.sata: fsl,receive-eq-mdB not specified, using 05000000 <4>[ 7.149918] ahci-imx 2200000.sata: supply ahci not found, using dummy regulator <4>[ 7.158322] ahci-imx 2200000.sata: supply phy not found, using dummy regulator <4>[ 7.166295] ahci-imx 2200000.sata: supply target not found, using dummy regulator <6>[ 7.177890] ahci-imx 2200000.sata: SSS flag set, parallel bus scan disabled <6>[ 7.185257] ahci-imx 2200000.sata: AHCI 0001.0300 32 slots 1 ports 3 Gbps 0x1 impl platform mode <6>[ 7.194394] ahci-imx 2200000.sata: flags: ncq sntf stag pm led clo only pmp pio slum part ccc apst <6>[ 7.208470] scsi host0: ahci-imx <6>[ 7.214122] ata1: SATA max UDMA/133 mmio [mem 0x02200000-0x02203fff] port 0x100 irq 84 <6>[ 7.272810] bgmac_bcma: Broadcom 47xx GBit MAC driver loaded <6>[ 7.286016] pps pps0: new PPS source ptp0 <6>[ 7.333426] fec 2188000.ethernet eth0: registered PHC device 0 <6>[ 7.343846] e1000e: Intel(R) PRO/1000 Network Driver <6>[ 7.349105] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. <6>[ 7.355582] igb: Intel(R) Gigabit Ethernet Network Driver <6>[ 7.361311] igb: Copyright (c) 2007-2014 Intel Corporation. <6>[ 7.386791] pegasus: v0.9.3 (2013/04/25), Pegasus/Pegasus II USB Ethernet driver <6>[ 7.394664] usbcore: registered new interface driver pegasus <6>[ 7.400842] usbcore: registered new interface driver asix <6>[ 7.406673] usbcore: registered new interface driver ax88179_178a <6>[ 7.413230] usbcore: registered new interface driver cdc_ether <6>[ 7.419574] usbcore: registered new interface driver smsc75xx <6>[ 7.425847] usbcore: registered new interface driver smsc95xx <6>[ 7.432058] usbcore: registered new interface driver net1080 <6>[ 7.438129] usbcore: registered new interface driver cdc_subset <6>[ 7.444525] usbcore: registered new interface driver zaurus <6>[ 7.450693] usbcore: registered new interface driver cdc_ncm <6>[ 7.468091] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver <6>[ 7.475028] ehci-pci: EHCI PCI platform driver <6>[ 7.479902] ehci-platform: EHCI generic platform driver <6>[ 7.486373] ehci-orion: EHCI orion driver <6>[ 7.491530] SPEAr-ehci: EHCI SPEAr driver <6>[ 7.496591] ehci-st: EHCI STMicroelectronics driver <6>[ 7.502571] ehci-exynos: EHCI Exynos driver <6>[ 7.507790] ehci-atmel: EHCI Atmel driver <6>[ 7.512887] tegra-ehci: Tegra EHCI driver <6>[ 7.517959] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver <6>[ 7.524539] ohci-pci: OHCI PCI platform driver <6>[ 7.529421] ohci-platform: OHCI generic platform driver <6>[ 7.535819] SPEAr-ohci: OHCI SPEAr driver <6>[ 7.540947] ohci-st: OHCI STMicroelectronics driver <6>[ 7.546876] ohci-atmel: OHCI Atmel driver <6>[ 7.555054] usbcore: registered new interface driver usb-storage <6>[ 7.563118] ata1: SATA link down (SStatus 0 SControl 300) <6>[ 7.569148] ahci-imx 2200000.sata: no device found, disabling link. <6>[ 7.575792] ahci-imx 2200000.sata: pass ahci_imx..hotplug=1 to enable hotplug <6>[ 7.590557] i2c /dev entries driver <6>[ 7.667095] sdhci: Secure Digital Host Controller Interface driver <6>[ 7.673631] sdhci: Copyright(c) Pierre Ossman <6>[ 7.686855] Synopsys Designware Multimedia Card Interface Driver <6>[ 7.699732] sdhci-pltfm: SDHCI platform and OF driver helper <6>[ 7.713186] sdhci-esdhc-imx 219c000.mmc: Got CD GPIO <6>[ 7.713192] sdhci-esdhc-imx 2198000.mmc: Got CD GPIO <6>[ 7.724042] sdhci-esdhc-imx 2198000.mmc: Got WP GPIO <6>[ 7.730729] ledtrig-cpu: registered to indicate activity on CPUs <6>[ 7.740389] usbcore: registered new interface driver usbhid <6>[ 7.746340] usbhid: USB HID core driver <6>[ 7.751661] mmc3: SDHCI controller on 219c000.mmc [219c000.mmc] using ADMA <6>[ 7.764481] mmc2: SDHCI controller on 2198000.mmc [2198000.mmc] using ADMA <6>[ 7.778952] ipip: IPv4 and MPLS over IPv4 tunneling driver <6>[ 7.786878] IPv4 over IPsec tunneling driver <6>[ 7.795802] NET: Registered protocol family 10 <6>[ 7.805866] Segment Routing with IPv6 <6>[ 7.811355] mmc2: new high speed SDHC card at address 0001 <6>[ 7.815460] NET: Registered protocol family 17 <5>[ 7.823663] Key type dns_resolver registered <6>[ 7.824428] mmcblk2: mmc2:0001 SD 14.6 GiB <6>[ 7.846413] ThumbEE CPU extension supported. <5>[ 7.851063] Registering SWP/SWPB emulation handler <5>[ 7.857663] Loading compiled-in X.509 certificates <4>[ 7.909219] GPT:Primary header thinks Alt. header is not at the end of the disk. <4>[ 7.917066] GPT:29296874 != 30560255 <4>[ 7.920963] GPT:Alternate GPT header not at the end of the disk. <4>[ 7.927256] GPT:29296874 != 30560255 <4>[ 7.931149] GPT: Use GNU Parted to correct GPT errors. <6>[ 7.936636] mmcblk2: p1 p2 p3 <4>[ 8.016453] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 8.025037] panel-simple panel-lcd: Specify missing connector_type <4>[ 8.037583] panel-simple panel-lvds0: supply power not found, using dummy regulator <4>[ 8.071059] imx_usb 2184200.usb: No over current polarity defined <6>[ 8.083934] ci_hdrc ci_hdrc.1: EHCI Host Controller <6>[ 8.089404] ci_hdrc ci_hdrc.1: new USB bus registered, assigned bus number 1 <6>[ 8.121220] ci_hdrc ci_hdrc.1: USB 2.0 started, EHCI 1.00 <6>[ 8.140063] hub 1-0:1.0: USB hub found <6>[ 8.144688] hub 1-0:1.0: 1 port detected <6>[ 8.159576] imx_thermal 20c8000.anatop:tempmon: Automotive CPU temperature grade - max:125C critical:120C passive:115C <4>[ 8.189456] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 8.197947] panel-simple panel-lcd: Specify missing connector_type <4>[ 8.210383] panel-simple panel-lvds0: supply power not found, using dummy regulator <4>[ 8.238174] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 8.246717] panel-simple panel-lcd: Specify missing connector_type <4>[ 8.259152] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 8.275843] input: gpio-keys as /devices/platform/gpio-keys/input/input0 <4>[ 8.302426] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 8.310881] panel-simple panel-lcd: Specify missing connector_type <4>[ 8.323357] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 8.344748] 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>[ 8.531099] usb 1-1: new high-speed USB device number 2 using ci_hdrc <6>[ 8.738951] hub 1-1:1.0: USB hub found <6>[ 8.744845] hub 1-1:1.0: 3 ports detected <4>[ 8.774426] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 8.783096] panel-simple panel-lcd: Specify missing connector_type <4>[ 8.797264] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 11.522532] fec 2188000.ethernet eth0: Link is Up - 1Gbps/Full - flow control off <6>[ 11.551172] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready <5>[ 11.580913] Sending DHCP requests ., OK <6>[ 11.625329] IP-Config: Got DHCP answer from 192.168.201.1, my address is 192.168.201.35 <6>[ 11.633722] IP-Config: Complete: <6>[ 11.637245] device=eth0, hwaddr=00:19:b8:08:f1:09, ipaddr=192.168.201.35, mask=255.255.255.0, gw=192.168.201.1 <6>[ 11.648019] host=imx6q-sabrelite-lava-cbg-5, domain=lava-rack, nis-domain=(none) <6>[ 11.656259] bootserver=192.168.201.1, rootserver=192.168.201.1, rootpath= <6>[ 11.656297] nameserver0=192.168.201.1 <6>[ 11.668916] clk: Disabling unused clocks <6>[ 11.718387] Freeing unused kernel memory: 2048K <6>[ 11.731494] Run /init as init process Loading, please wait... Starting systemd-udevd version 252.22-1~deb12u1 <6>[ 16.768028] imx-ipuv3 2400000.ipu: IPUv3H probed <6>[ 16.784871] imx-ipuv3 2800000.ipu: IPUv3H probed <6>[ 16.817953] caam 2100000.crypto: Entropy delay = 3200 <4>[ 16.818672] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 16.831978] panel-simple panel-lcd: Specify missing connector_type <4>[ 16.866850] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 16.884191] caam 2100000.crypto: Instantiated RNG4 SH0 <6>[ 16.944954] caam 2100000.crypto: Instantiated RNG4 SH1 <6>[ 16.950404] caam 2100000.crypto: device ID = 0x0a16010000000000 (Era 4) <6>[ 16.957354] caam 2100000.crypto: job rings = 2, qi = 0 <6>[ 16.978877] etnaviv etnaviv: bound 130000.gpu (ops gpu_ops [etnaviv]) <6>[ 16.992783] CAN device driver interface <4>[ 17.009091] panel-simple panel-lcd: supply power not found, using dummy regulator <6>[ 17.017162] etnaviv etnaviv: bound 134000.gpu (ops gpu_ops [etnaviv]) <4>[ 17.017695] panel-simple panel-lcd: Specify missing connector_type <6>[ 17.027431] etnaviv etnaviv: bound 2204000.gpu (ops gpu_ops [etnaviv]) <6>[ 17.037435] etnaviv-gpu 130000.gpu: model: GC2000, revision: 5108 <4>[ 17.042673] panel-simple panel-lvds0: supply power not found, using dummy regulator <4>[ 17.087028] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 17.095652] panel-simple panel-lcd: Specify missing connector_type <4>[ 17.122720] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 17.157766] etnaviv-gpu 134000.gpu: model: GC320, revision: 5007 <6>[ 17.166179] etnaviv-gpu 2204000.gpu: model: GC355, revision: 1215 <6>[ 17.172716] etnaviv-gpu 2204000.gpu: Ignoring GPU with VG and FE2.0 <6>[ 17.200277] [drm] Initialized etnaviv 1.4.0 20151214 for etnaviv on minor 1 <4>[ 17.219487] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 17.228796] panel-simple panel-lcd: Specify missing connector_type <4>[ 17.251161] panel-simple panel-lvds0: supply power not found, using dummy regulator <4>[ 17.307653] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 17.325210] panel-simple panel-lcd: Specify missing connector_type <6>[ 17.345969] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) <6>[ 17.369636] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) <4>[ 17.370438] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 17.378768] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) <6>[ 17.395268] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) <4>[ 17.455099] usb_phy_generic usbphynop1: supply vcc not found, using dummy regulator <6>[ 17.468094] sgtl5000 0-000a: sgtl5000 revision 0x11 <4>[ 17.469463] usb_phy_generic usbphynop2: supply vcc not found, using dummy regulator <6>[ 17.480768] sgtl5000 0-000a: Using internal LDO instead of VDDD: check ER1 erratum <4>[ 17.504191] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 17.512891] panel-simple panel-lcd: Specify missing connector_type <6>[ 17.636256] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) <6>[ 17.645259] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) <6>[ 17.654082] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) <6>[ 17.662894] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) <4>[ 17.725601] panel-simple panel-lvds0: supply power not found, using dummy regulator <4>[ 17.766683] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 17.775277] panel-simple panel-lcd: Specify missing connector_type <6>[ 18.174369] caam algorithms registered in /proc/crypto <6>[ 18.184534] caam 2100000.crypto: registering rng-caam <5>[ 18.313146] random: crng init done <6>[ 18.328702] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) <6>[ 18.337462] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) <6>[ 18.346250] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) <6>[ 18.354954] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) <4>[ 18.370259] panel-simple panel-lvds0: supply power not found, using dummy regulator <4>[ 18.403990] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 18.412534] panel-simple panel-lcd: Specify missing connector_type Begin: Loading essential drivers ... done. Begin: Running /scripts/init-premount ... done. Begin: Mounting root file system ... Begin: Running /scripts/nfs-top ... done. Begin: Running /scripts/nfs-premount ... Waiting up to 60 secs for any ethernet to become available Device /sys/class/net/eth0 found done. Begin: Waiting up to 180 secs for any network device to become available ... done. IP-Config: eth0 hardware address 00:19:b8:08:f1:09 mtu 1500 DHCP IP-Config: eth0 complete (dhcp from 192.168.201.1): address: 192.168.201.35 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-5 domain : lava-rack rootserver: 192.168.201.1 rootpath: filename : done. Begin: Running /scripts/nfs-bottom ... done. Begin: Running /scripts/init-bottom ... done. <30>[ 20.409304] systemd[1]: System time before build time, advancing clock. <30>[ 20.674467] systemd[1]: systemd 252.22-1~deb12u1 running in system mode (+PAM +AUDIT +SELINUX +APPARMOR +IMA +SMACK +SECCOMP +GCRYPT -GNUTLS +OPENSSL +ACL +BLKID +CURL +ELFUTILS +FIDO2 +IDN2 -IDN +IPTC +KMOD +LIBCRYPTSETUP +LIBFDISK +PCRE2 -PWQUALITY +P11KIT +QRENCODE +TPM2 +BZIP2 +LZ4 +XZ +ZLIB +ZSTD -BPF_FRAMEWORK -XKBCOMMON +UTMP +SYSVINIT default-hierarchy=unified) <30>[ 20.711930] systemd[1]: Detected architecture arm. Welcome to Debian GNU/Linux 12 (bookworm)! <30>[ 20.765831] systemd[1]: Hostname set to . <30>[ 22.618848] systemd[1]: Queued start job for default target graphical.target. <30>[ 22.637547] systemd[1]: Created slice system-getty.slice - Slice /system/getty. [ OK ] Created slice system-getty.slice - Slice /system/getty. <30>[ 22.699162] systemd[1]: Created slice system-modprobe.slice - Slice /system/modprobe. [ OK ] Created slice system-modpr…lice - Slice /system/modprobe. <30>[ 22.749555] systemd[1]: Created slice system-serial\x2dgetty.slice - Slice /system/serial-getty. [ OK ] Created slice system-seria… - Slice /system/serial-getty. <30>[ 22.797698] systemd[1]: Created slice user.slice - User and Session Slice. [ OK ] Created slice user.slice - User and Session Slice. <30>[ 22.845322] systemd[1]: Started systemd-ask-password-console.path - Dispatch Password Requests to Console Directory Watch. [ OK ] Started systemd-ask-passwo…quests to Console Directory Watch. <30>[ 22.894571] systemd[1]: Started systemd-ask-password-wall.path - Forward Password Requests to Wall Directory Watch. [ OK ] Started systemd-ask-passwo… Requests to Wall Directory Watch. <30>[ 22.952587] systemd[1]: proc-sys-fs-binfmt_misc.automount - Arbitrary Executable File Formats File System Automount Point was skipped because of an unmet condition check (ConditionPathExists=/proc/sys/fs/binfmt_misc). <30>[ 22.974458] systemd[1]: Expecting device dev-ttymxc1.device - /dev/ttymxc1... Expecting device dev-ttymxc1.device - /dev/ttymxc1... <30>[ 23.011212] systemd[1]: Reached target cryptsetup.target - Local Encrypted Volumes. [ OK ] Reached target cryptsetup.…get - Local Encrypted Volumes. <30>[ 23.052047] systemd[1]: Reached target integritysetup.target - Local Integrity Protected Volumes. [ OK ] Reached target integrityse…Local Integrity Protected Volumes. <30>[ 23.102187] systemd[1]: Reached target paths.target - Path Units. [ OK ] Reached target paths.target - Path Units. <30>[ 23.141852] systemd[1]: Reached target remote-fs.target - Remote File Systems. [ OK ] Reached target remote-fs.target - Remote File Systems. <30>[ 23.191716] systemd[1]: Reached target slices.target - Slice Units. [ OK ] Reached target slices.target - Slice Units. <30>[ 23.231997] systemd[1]: Reached target swap.target - Swaps. [ OK ] Reached target swap.target - Swaps. <30>[ 23.272049] systemd[1]: Reached target veritysetup.target - Local Verity Protected Volumes. [ OK ] Reached target veritysetup… - Local Verity Protected Volumes. <30>[ 23.325387] systemd[1]: Listening on systemd-initctl.socket - initctl Compatibility Named Pipe. [ OK ] Listening on systemd-initc… initctl Compatibility Named Pipe. <30>[ 23.425293] systemd[1]: systemd-journald-audit.socket - Journal Audit Socket was skipped because of an unmet condition check (ConditionSecurity=audit). <30>[ 23.445800] systemd[1]: Listening on systemd-journald-dev-log.socket - Journal Socket (/dev/log). [ OK ] Listening on systemd-journ…t - Journal Socket (/dev/log). <30>[ 23.497901] systemd[1]: Listening on systemd-journald.socket - Journal Socket. [ OK ] Listening on systemd-journald.socket - Journal Socket. <30>[ 23.547879] systemd[1]: Listening on systemd-networkd.socket - Network Service Netlink Socket. [ OK ] Listening on systemd-netwo… - Network Service Netlink Socket. <30>[ 23.603691] systemd[1]: Listening on systemd-udevd-control.socket - udev Control Socket. [ OK ] Listening on systemd-udevd….socket - udev Control Socket. <30>[ 23.643688] systemd[1]: Listening on systemd-udevd-kernel.socket - udev Kernel Socket. [ OK ] Listening on systemd-udevd…l.socket - udev Kernel Socket. <30>[ 23.684786] systemd[1]: dev-hugepages.mount - Huge Pages File System was skipped because of an unmet condition check (ConditionPathExists=/sys/kernel/mm/hugepages). <30>[ 23.703033] systemd[1]: dev-mqueue.mount - POSIX Message Queue File System was skipped because of an unmet condition check (ConditionPathExists=/proc/sys/fs/mqueue). <30>[ 23.728055] systemd[1]: Mounting sys-kernel-debug.mount - Kernel Debug File System... Mounting sys-kernel-debug.… - Kernel Debug File System... <30>[ 23.782867] systemd[1]: Mounting sys-kernel-tracing.mount - Kernel Trace File System... Mounting sys-kernel-tracin… - Kernel Trace File System... <30>[ 23.834307] systemd[1]: Starting kmod-static-nodes.service - Create List of Static Device Nodes... Starting kmod-static-nodes…ate List of Static Device Nodes... <30>[ 23.895668] systemd[1]: Starting modprobe@configfs.service - Load Kernel Module configfs... Starting modprobe@configfs…m - Load Kernel Module configfs... <30>[ 23.964097] systemd[1]: Starting modprobe@dm_mod.service - Load Kernel Module dm_mod... Starting modprobe@dm_mod.s…[0m - Load Kernel Module dm_mod... <30>[ 24.033910] systemd[1]: Starting modprobe@drm.service - Load Kernel Module drm... Starting modprobe@drm.service - Load Kernel Module drm... <30>[ 24.091792] systemd[1]: Starting modprobe@efi_pstore.service - Load Kernel Module efi_pstore... Starting modprobe@efi_psto…- Load Kernel Module efi_pstore... <30>[ 24.152139] systemd[1]: Starting modprobe@fuse.service - Load Kernel Module fuse... Starting modprobe@fuse.ser…e - Load Kernel Module fuse... <30>[ 24.215445] systemd[1]: Starting modprobe@loop.service - Load Kernel Module loop... <6>[ 24.224326] fuse: init (API version 7.32) Starting modprobe@loop.ser…e - Load Kernel Module loop... <30>[ 24.285408] systemd[1]: Starting systemd-journald.service - Journal Service... Starting systemd-journald.service - Journal Service... <30>[ 24.357510] systemd[1]: Starting systemd-modules-load.service - Load Kernel Modules... Starting systemd-modules-l…rvice - Load Kernel Modules... <30>[ 24.413862] systemd[1]: Starting systemd-network-generator.service - Generate network units from Kernel command line... Starting systemd-network-g… units from Kernel command line... <30>[ 24.482878] systemd[1]: Starting systemd-remount-fs.service - Remount Root and Kernel File Systems... Starting systemd-remount-f…nt Root and Kernel File Systems... <30>[ 24.541639] systemd[1]: Starting systemd-udev-trigger.service - Coldplug All udev Devices... Starting systemd-udev-trig…[0m - Coldplug All udev Devices... <30>[ 24.635401] systemd[1]: Mounted sys-kernel-debug.mount - Kernel Debug File System. [ OK ] Mounted sys-kernel-debug.m…nt - Kernel Debug File System. <30>[ 24.692694] systemd[1]: Mounted sys-kernel-tracing.mount - Kernel Trace File System. [ OK ] Mounted sys-kernel-tracing…nt - Kernel Trace File System. <30>[ 24.747783] systemd[1]: Finished kmod-static-nodes.service - Create List of Static Device Nodes. [ OK ] Finished kmod-static-nodes…reate List of Static Device Nodes. <30>[ 24.830266] systemd[1]: modprobe@configfs.service: Deactivated successfully. <30>[ 24.840753] systemd[1]: Finished modprobe@configfs.service - Load Kernel Module configfs. [ OK ] Finished modprobe@configfs…[0m - Load Kernel Module configfs. <30>[ 24.886585] systemd[1]: modprobe@dm_mod.service: Deactivated successfully. <30>[ 24.896803] systemd[1]: Finished modprobe@dm_mod.service - Load Kernel Module dm_mod. [ OK ] Finished modprobe@dm_mod.s…e - Load Kernel Module dm_mod. <30>[ 24.952930] systemd[1]: Started systemd-journald.service - Journal Service. [ OK ] Started systemd-journald.service - Journal Service. [ OK ] Finished modprobe@drm.service - Load Kernel Module drm. [ OK ] Finished modprobe@efi_psto…m - Load Kernel Module efi_pstore. [ OK ] Finished modprobe@fuse.service - Load Kernel Module fuse. [ OK ] Finished modprobe@loop.service - Load Kernel Module loop. [ OK ] Finished systemd-modules-l…service - Load Kernel Modules. [ OK ] Finished systemd-network-g…rk units from Kernel command line. [ OK ] Finished systemd-remount-f…ount Root and Kernel File Systems. [ OK ] Reached target network-pre…get - Preparation for Network. Mounting sys-fs-fuse-conne… - FUSE Control File System... Mounting sys-kernel-config…ernel Configuration File System... Starting systemd-journal-f…h Journal to Persistent Storage... Starting systemd-random-se…ice - Load/Save Random Seed... <46>[ 25.610592] systemd-journald[290]: Received client request to flush runtime journal. Starting systemd-sysctl.se…ce - Apply Kernel Variables... Starting systemd-sysusers.…rvice - Create System Users... [ OK ] Mounted sys-fs-fuse-connec…nt - FUSE Control File System. [ OK ] Mounted sys-kernel-config.… Kernel Configuration File System. [ OK ] Finished systemd-random-se…rvice - Load/Save Random Seed. [ OK ] Finished systemd-sysctl.service - Apply Kernel Variables. [ OK ] Finished systemd-sysusers.service - Create System Users. Starting systemd-tmpfiles-…ate Static Device Nodes in /dev... [ OK ] Finished systemd-journal-f…ush Journal to Persistent Storage. [ OK ] Finished systemd-tmpfiles-…reate Static Device Nodes in /dev. [ OK ] Reached target local-fs-pr…reparation for Local File Systems. [ OK ] Reached target local-fs.target - Local File Systems. Starting systemd-tmpfiles-… Volatile Files and Directories... Starting systemd-udevd.ser…ger for Device Events and Files... [ OK ] Started systemd-udevd.serv…nager for Device Events and Files. Starting systemd-networkd.…ice - Network Configuration... [ OK ] Finished systemd-tmpfiles-…te Volatile Files and Directories. Starting systemd-timesyncd… - Network Time Synchronization... Starting systemd-update-ut…rd System Boot/Shutdown in UTMP... [ OK ] Finished systemd-update-ut…cord System Boot/Shutdown in UTMP. <5>[ 27.830725] cfg80211: Loading compiled-in X.509 certificates for regulatory database <5>[ 28.041829] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' <5>[ 28.050798] cfg80211: Loaded X.509 cert 'wens: 61c038651aabdcf94bd0ac7ff06c7248db18c600' <4>[ 28.062320] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 <6>[ 28.071403] cfg80211: failed to load regulatory.db [ OK ] Started systemd-timesyncd.…0m - Network Time Synchronization. [ OK ] Reached target time-set.target - System Time Set. [ OK ] Started systemd-networkd.service[0<46>[ 28.356591] systemd-journald[290]: Oldest entry in /var/log/journal/658c871cd7314ccea6115dc5728f8992/system.journal is older than the configured file retention duration (1month), suggesting rotation. m - Network Configuration. <46>[ 28.377767] systemd-journald[290]: /var/log/journal/658c871cd7314ccea6115dc5728f8992/system.journal: Journal header limits reached or header out-of-date, rotating. [ OK ] Reached target network.target - Network. [ OK ] Found device dev-ttymxc1.device - /dev/ttymxc1. [ OK ] Finished systemd-udev-trig…e - Coldplug All udev Devices. [ OK ] Reached target sysinit.target - System Initialization. [ OK ] Started apt-daily.timer - Daily apt download activities. [ OK ] Started apt-daily-upgrade.… apt upgrade and clean activities. [ OK ] Started dpkg-db-backup.tim… Daily dpkg database backup timer. [ OK ] Started e2scrub_all.timer…etadata Check for All Filesystems. [ OK ] Started fstrim.timer - Discard unused blocks once a week. [ OK ] Started systemd-tmpfiles-c… Cleanup of Temporary Directories. [ OK ] Reached target timers.target - Timer Units. [ OK ] Reached target usb-gadget.…m - Hardware activated USB gadget. [ OK ] Listening on dbus.socket[…- D-Bus System Message Bus Socket. [ OK ] Reached target sockets.target - Socket Units. [ OK ] Listening on systemd-rfkil…l Switch Status /dev/rfkill Watch. [ OK ] Reached target basic.target - Basic System. Starting dbus.service - D-Bus System Message Bus... Starting e2scrub_reap.serv…e ext4 Metadata Check Snapshots... Starting systemd-logind.se…ice - User Login Management... Starting systemd-user-sess…vice - Permit User Sessions... [ OK ] Started dbus.service - D-Bus System Message Bus. [ OK ] Finished systemd-user-sess…ervice - Permit User Sessions. [ OK ] Started getty@tty1.service - Getty on tty1. [ OK ] Started serial-getty@ttymx…ice - Serial Getty on ttymxc1. [ OK ] Reached target getty.target - Login Prompts. [ OK ] Finished e2scrub_reap.serv…ine ext4 Metadata Check Snapshots. [ OK ] Started systemd-logind.service - User Login Management. [ OK ] Reached target multi-user.target - Multi-User System. [ OK ] Reached target graphical.target - Graphical Interface. Starting systemd-update-ut… Record Runlevel Change in UTMP... [ OK ] Finished systemd-update-ut… - Record Runlevel Change in UTMP. Debian GNU/Linux 12 debian-bookworm-armhf ttymxc1 debian-bookworm-armhf login: root (automatic login) Linux debian-bookworm-armhf 5.10.217-cip47 #1 SMP Fri May 17 17:09:47 UTC 2024 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/13869996/extract-nfsrootfs-qgqsq17o' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/13869996/extract-nfsrootfs-qgqsq17o' / # 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-13869996/environment . /lava-13869996/environment / # /lava-13869996/bin/lava-test-runner /lava-13869996/0 /lava-13869996/bin/lava-test-runner /lava-13869996/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-13869996/0/tests/0_timesync-off ++ cat uuid + UUID=13869996_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-13869996/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=13869996_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/v5.10.216-cip47-111-gec7251db09977/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 --2024-05-17 17:25:02-- http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.216-cip47-111-gec7251db09977/arm/multi_v7_defconfig+kselftest/gcc-10/kselftest.tar.xz Resolving storage.kernelci.org (storage.kernelci.org)... 20.171.243.82 Connecting to storage.kernelci.org (storage.kernelci.org)|20.171.243.82|:80... connected. HTTP request sent, awaiting response... 200 OK Length: 1347436 (1.3M) [application/octet-stream] Saving to: 'kselftest_armhf.tar.gz' kselftest_armhf.tar 0%[ ] 0 --.-KB/s kselftest_armhf.tar 3%[ ] 43.08K 166KB/s kselftest_armhf.tar 9%[> ] 120.85K 235KB/s kselftest_armhf.tar 14%[=> ] 190.63K 247KB/s kselftest_armhf.tar 20%[===> ] 268.40K 261KB/s kselftest_armhf.tar 26%[====> ] 353.25K 274KB/s kselftest_armhf.tar 32%[=====> ] 425.36K 275KB/s kselftest_armhf.tar 37%[======> ] 491.82K 272KB/s kselftest_armhf.tar 42%[=======> ] 559.21K 270KB/s kselftest_armhf.tar 46%[========> ] 617.67K 266KB/s kselftest_armhf.tar 51%[=========> ] 675.65K 262KB/s kselftest_armhf.tar 55%[==========> ] 730.80K 257KB/s kselftest_armhf.tar 60%[===========> ] 791.60K 256KB/s eta 2s kselftest_armhf.tar 64%[===========> ] 851.00K 256KB/s eta 2s kselftest_armhf.tar 69%[============> ] 914.63K 256KB/s eta 2s kselftest_armhf.tar 74%[=============> ] 975.43K 257KB/s eta 2s kselftest_armhf.tar 77%[==============> ] 1018K 254KB/s eta 2s kselftest_armhf.tar 82%[===============> ] 1.06M 257KB/s eta 1s kselftest_armhf.tar 87%[================> ] 1.13M 258KB/s eta 1s kselftest_armhf.tar 93%[=================> ] 1.20M 263KB/s eta 1s kselftest_armhf.tar 99%[==================> ] 1.28M 265KB/s eta 1s kselftest_armhf.tar 100%[===================>] 1.28M 264KB/s in 5.0s 2024-05-17 17:25:07 (261 KB/s) - 'kselftest_armhf.tar.gz' saved [1347436/1347436] 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 =============== shardfile-lkdtm pass <12>[ 62.411718] 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>[ 63.371059] lkdtm: Performing direct entry BUG <4>[ 63.376038] ------------[ cut here ]------------ <2>[ 63.380935] kernel BUG at drivers/misc/lkdtm/bugs.c:76! <0>[ 63.386448] Internal error: Oops - BUG: 0 [#1] SMP ARM <4>[ 63.391873] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore imx_ldb dw_hdmi_imx dw_hdmi parallel_display flexcan can_dev imxdrm caam error etnaviv gpu_sched imx_ipu_v3 <4>[ 63.424505] CPU: 1 PID: 740 Comm: cat Not tainted 5.10.217-cip47 #1 <4>[ 63.431060] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 63.437888] PC is at lkdtm_BUG+0x14/0x18 <4>[ 63.442106] LR is at lkdtm_do_action+0x2c/0x4c <4>[ 63.446838] pc : [] lr : [] psr: a0080013 <4>[ 63.453389] sp : c6cede58 ip : c6cede68 fp : c6cede64 <4>[ 63.458897] r10: 00000004 r9 : c1ad2ad4 r8 : c15ec020 <4>[ 63.464409] r7 : c6cedf60 r6 : 00000004 r5 : c6c70000 r4 : 00000001 <4>[ 63.471220] r3 : c0c59468 r2 : 30190ac1 r1 : ef7965e0 r0 : c15ec028 <4>[ 63.478035] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 63.485455] Control: 10c5387d Table: 16e1804a DAC: 00000051 <0>[ 63.491489] Process cat (pid: 740, stack limit = 0x75dbdb24) <0>[ 63.497435] Stack: (0xc6cede58 to 0xc6cee000) <0>[ 63.502082] de40: c6cede74 c6cede68 <0>[ 63.510555] de60: c0c58efc c0c59474 c6cede9c c6cede78 c0c593fc c0c58edc c0c592dc c2fcf900 <0>[ 63.519027] de80: b6daa000 00000004 c30239c0 c6cedf60 c6cedec4 c6cedea0 c07e29dc c0c592e8 <0>[ 63.527497] dea0: 00000000 c2fcf900 b6daa000 c290d000 c6cedf60 c07e2978 c6cedf5c c6cedec8 <0>[ 63.535968] dec0: c059c404 c07e2984 00000001 00000000 c059c9b0 c13ac870 c059c9b0 c6cec000 <0>[ 63.544438] dee0: b6daa000 00020000 00000004 00000004 0001fffc c6cedee0 00000001 b6da9000 <0>[ 63.552906] df00: c68f0140 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 63.561377] df20: 00000000 00000000 c13ac870 30190ac1 c206b700 c2fcf900 c2fcf900 c6cec000 <0>[ 63.569846] df40: b6daa000 00000000 00000000 00000004 c6cedf94 c6cedf60 c059c9b0 c059c304 <0>[ 63.578316] df60: 00000000 00000000 c6cedfac 30190ac1 00000004 00000004 7ff00000 00000004 <0>[ 63.586786] df80: c03002e4 c6cec000 c6cedfa4 c6cedf98 c059ca40 c059c948 00000000 c6cedfa8 <0>[ 63.595254] dfa0: c03000c0 c059ca34 00000004 00000004 00000001 b6daa000 00000004 00000001 <0>[ 63.603723] dfc0: 00000004 00000004 7ff00000 00000004 00000001 b6daa000 00020000 0045fe38 <0>[ 63.612192] dfe0: 00000004 beb2d7e8 b6e7033b b6de9616 60080030 00000001 00000000 00000000 <0>[ 63.620647] Backtrace: <0>[ 63.623406] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 63.631278] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 63.639590] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 63.647805] r9:c6cedf60 r8:c30239c0 r7:00000004 r6:b6daa000 r5:c2fcf900 r4:c0c592dc <0>[ 63.655856] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 63.663982] r9:c07e2978 r8:c6cedf60 r7:c290d000 r6:b6daa000 r5:c2fcf900 r4:00000000 <0>[ 63.672024] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 63.679454] r10:00000004 r9:00000000 r8:00000000 r7:b6daa000 r6:c6cec000 r5:c2fcf900 <0>[ 63.687565] r4:c2fcf900 <0>[ 63.690398] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 63.697827] r9:c6cec000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000004 r4:00000004 <0>[ 63.705873] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 63.713726] Exception stack(0xc6cedfa8 to 0xc6cedff0) <0>[ 63.719070] dfa0: 00000004 00000004 00000001 b6daa000 00000004 00000001 <0>[ 63.727540] dfc0: 00000004 00000004 7ff00000 00000004 00000001 b6daa000 00020000 0045fe38 <0>[ 63.736003] dfe0: 00000004 beb2d7e8 b6e7033b b6de9616 <0>[ 63.741350] Code: e92dd800 e24cb004 e52de004 e8bd4000 (e7f001f2) <4>[ 63.747741] ---[ end trace 6c61b7a51df8f45f ]--- <3>[ 63.752647] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 63.761807] in_atomic(): 0, irqs_disabled(): 128, non_block: 0, pid: 740, name: cat <4>[ 63.769744] INFO: lockdep is turned off. <4>[ 63.773948] irq event stamp: 1646 <4>[ 63.777569] hardirqs last enabled at (1645): [] console_unlock+0x4b0/0x6c0 <4>[ 63.785693] hardirqs last disabled at (1646): [] __und_svc+0x60/0x6c <4>[ 63.793210] softirqs last enabled at (1592): [] __do_softirq+0x36c/0x5a0 <4>[ 63.801160] softirqs last disabled at (1577): [] __irq_exit_rcu+0x178/0x1d0 <4>[ 63.809284] CPU: 1 PID: 740 Comm: cat Tainted: G D 5.10.217-cip47 #1 <4>[ 63.817222] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 63.824031] Backtrace: <4>[ 63.826801] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 63.834664] r7:ffffffff r6:60080093 r5:00000000 r4:c1f1ced8 <4>[ 63.840626] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 63.848246] [] (dump_stack) from [] (___might_sleep+0x188/0x2e0) <4>[ 63.856284] r9:60080093 r8:0000000b r7:c035c468 r6:00000031 r5:c19cebc8 r4:c6cec000 <4>[ 63.864325] [] (___might_sleep) from [] (__might_sleep+0x70/0xb0) <4>[ 63.872443] r6:00000000 r5:00000031 r4:c19cebc8 <4>[ 63.877368] [] (__might_sleep) from [] (exit_signals+0x4c/0x420) <4>[ 63.885400] r6:00000001 r5:c6cec000 r4:c599b600 <4>[ 63.890327] [] (exit_signals) from [] (do_exit+0x100/0xafc) <4>[ 63.897927] r8:0000000b r7:c1e1c88c r6:ffffe000 r5:00000000 r4:c599b600 <4>[ 63.904927] [] (do_exit) from [] (make_task_dead+0x68/0x74) <4>[ 63.912519] r7:c1e1c88c <4>[ 63.915353] [] (make_task_dead) from [] (die+0x370/0x37c) <4>[ 63.922782] [] (die) from [] (do_undefinstr+0x170/0x240) <4>[ 63.930125] r10:00000004 r9:c6cec000 r8:c15ec020 r7:00000000 r6:c6ceddc8 r5:c0c5947c <4>[ 63.938236] r4:e7f001f2 <4>[ 63.941065] [] (do_undefinstr) from [] (__und_svc_finish+0x0/0x54) <4>[ 63.949265] Exception stack(0xc6ceddc8 to 0xc6cede10) <4>[ 63.954607] ddc0: c15ec028 ef7965e0 30190ac1 c0c59468 00000001 c6c70000 <4>[ 63.963079] dde0: 00000004 c6cedf60 c15ec020 c1ad2ad4 00000004 c6cede64 c6cede68 c6cede58 <4>[ 63.971543] de00: c0c58efc c0c5947c a0080013 ffffffff <4>[ 63.976883] r7:c6ceddfc r6:ffffffff r5:a0080013 r4:c0c59480 <4>[ 63.982839] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 63.990703] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 63.999008] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 64.007221] r9:c6cedf60 r8:c30239c0 r7:00000004 r6:b6daa000 r5:c2fcf900 r4:c0c592dc <4>[ 64.015267] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 64.023392] r9:c07e2978 r8:c6cedf60 r7:c290d000 r6:b6daa000 r5:c2fcf900 r4:00000000 <4>[ 64.031432] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 64.038862] r10:00000004 r9:00000000 r8:00000000 r7:b6daa000 r6:c6cec000 r5:c2fcf900 <4>[ 64.046974] r4:c2fcf900 <4>[ 64.049804] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 64.057232] r9:c6cec000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000004 r4:00000004 <4>[ 64.065270] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 64.073122] Exception stack(0xc6cedfa8 to 0xc6cedff0) <4>[ 64.078463] dfa0: 00000004 00000004 00000001 b6daa000 00000004 00000001 <4>[ 64.086933] dfc0: 00000004 00000004 7ff00000 00000004 00000001 b6daa000 00020000 0045fe38 <4>[ 64.095396] dfe0: 00000004 beb2d7e8 b6e7033b b6de9616 # Segmentation fault # [ 63.371059] lkdtm: Performing direct entry BUG # [ 63.376038] ------------[ cut here ]------------ # [ 63.380935] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 63.386448] Internal error: Oops - BUG: 0 [#1] SMP ARM # [ 63.391873] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore imx_ldb dw_hdmi_imx dw_hdmi parallel_display flexcan can_dev imxdrm caam error etnaviv gpu_sched imx_ipu_v3 # [ 63.424505] CPU: 1 PID: 740 Comm: cat Not tainted 5.10.217-cip47 #1 # [ 63.431060] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 63.437888] PC is at lkdtm_BUG+0x14/0x18 # [ 63.442106] LR is at lkdtm_do_action+0x2c/0x4c # [ 63.446838] pc : [] lr : [] psr: a0080013 # [ 63.453389] sp : c6cede58 ip : c6cede68 fp : c6cede64 # [ 63.458897] r10: 00000004 r9 : c1ad2ad4 r8 : c15ec020 # [ 63.464409] r7 : c6cedf60 r6 : 00000004 r5 : c6c70000 r4 : 00000001 # [ 63.471220] r3 : c0c59468 r2 : 30190ac1 r1 : ef7965e0 r0 : c15ec028 # [ 63.478035] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 63.485455] Control: 10c5387d Table: 16e1804a DAC: 00000051 # [ 63.491489] Process cat (pid: 740, stack limit = 0x75dbdb24) # [ 63.497435] Stack: (0xc6cede58 to 0xc6cee000) # [ 63.502082] de40: c6cede74 c6cede68 # [ 63.510555] de60: c0c58efc c0c59474 c6cede9c c6cede78 c0c593fc c0c58edc c0c592dc c2fcf900 # [ 63.519027] de80: b6daa000 00000004 c30239c0 c6cedf60 c6cedec4 c6cedea0 c07e29dc c0c592e8 # [ 63.527497] dea0: 00000000 c2fcf900 b6daa000 c290d000 c6cedf60 c07e2978 c6cedf5c c6cedec8 # [ 63.535968] dec0: c059c404 c07e2984 00000001 00000000 c059c9b0 c13ac870 c059c9b0 c6cec000 # [ 63.544438] dee0: b6daa000 00020000 00000004 00000004 0001fffc c6cedee0 00000001 b6da9000 # [ 63.552906] df00: c68f0140 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 63.561377] df20: 00000000 00000000 c13ac870 30190ac1 c206b700 c2fcf900 c2fcf900 c6cec000 # [ 63.569846] df40: b6daa000 00000000 00000000 00000004 c6cedf94 c6cedf60 c059c9b0 c059c304 # [ 63.578316] df60: 00000000 00000000 c6cedfac 30190ac1 00000004 00000004 7ff00000 00000004 # [ 63.586786] df80: c03002e4 c6cec000 c6cedfa4 c6cedf98 c059ca40 c059c948 00000000 c6cedfa8 # [ 63.595254] dfa0: c03000c0 c059ca34 00000004 00000004 00000001 b6daa000 00000004 00000001 # [ 63.603723] dfc0: 00000004 00000004 7ff00000 00000004 00000001 b6daa000 00020000 0045fe38 # [ 63.612192] dfe0: 00000004 beb2d7e8 b6e7033b b6de9616 60080030 00000001 00000000 00000000 # [ 63.620647] Backtrace: # [ 63.623406] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) # [ 63.631278] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 63.639590] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 63.647805] r9:c6cedf60 r8:c30239c0 r7:00000004 r6:b6daa000 r5:c2fcf900 r4:c0c592dc # [ 63.655856] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 63.663982] r9:c07e2978 r8:c6cedf60 r7:c290d000 r6:b6daa000 r5:c2fcf900 r4:00000000 # [ 63.672024] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 63.679454] r10:00000004 r9:00000000 r8:00000000 r7:b6daa000 r6:c6cec000 r5:c2fcf900 # [ 63.687565] r4:c2fcf900 # [ 63.690398] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 63.697827] r9:c6cec000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000004 r4:00000004 # [ 63.705873] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 63.713726] Exception stack(0xc6cedfa8 to 0xc6cedff0) # [ 63.719070] dfa0: 00000004 00000004 00000001 b6daa000 00000004 00000001 # [ 63.727540] dfc0: 00000004 00000004 7ff00000 00000004 00000001 b6daa000 00020000 0045fe38 # [ 63.736003] dfe0: 00000004 beb2d7e8 b6e7033b b6de9616 # [ 63.741350] Code: e92dd800 e24cb004 e52de004 e8bd4000 (e7f001f2) # [ 63.747741] ---[ end trace 6c61b7a51df8f45f ]--- # [ 63.752647] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 63.761807] in_atomic(): 0, irqs_disabled(): 128, non_block: 0, pid: 740, name: cat # [ 63.769744] INFO: lockdep is turned off. # [ 63.773948] irq event stamp: 1646 <6>[ 64.569096] lkdtm: Performing direct entry WARNING # [ 63.777569] hardirqs last <4>[ 64.575148] ------------[ cut here ]------------ enabled at (1645): [] c<4>[ 64.582998] WARNING: CPU: 3 PID: 812 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x48/0x4c onsole_unlock+0x4b0/0x6c0 # [ <4>[ 64.594425] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore imx_ldb dw_hdmi_imx dw_hdmi parallel_display flexcan can_dev imxdrm caam error etnaviv gpu_sched imx_ipu_v3 63.785693] hardirqs last disabled<4>[ 64.629393] CPU: 3 PID: 812 Comm: cat Tainted: G D W 5.10.217-cip47 #1 at (1646): [] __und_sv<4>[ 64.640128] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) c+0x60/0x6c # [ 63.793210] sof<4>[ 64.649779] Backtrace: tirqs last enabled at (1592): [<<4>[ 64.655368] [] (dump_backtrace) from [] (show_stack+0x20/0x24) c030219c>] __do_softirq+0x36c/0x5<4>[ 64.666048] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1ced8 a0 # [ 63.801160] softirqs las<4>[ 64.674835] [] (show_stack) from [] (dump_stack+0xe0/0x100) t disabled at (1577): [<4>[ 64.685271] [] (dump_stack) from [] (__warn+0x98/0x14c) ] __irq_exit_rcu+0x178/0x1d0 # [<4>[ 64.695349] r9:00000009 r8:c0c594c8 r7:00000053 r6:00000009 r5:c0c594c8 r4:c1ad3190 63.809284] CPU: 1 PID: 740 Com<4>[ 64.706219] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) m: cat Tainted: G D <4>[ 64.716819] r7:00000053 r6:c1ad3190 r5:00000000 r4:c59c8000 5.10.217-cip47 #1 # [ 63.817<4>[ 64.725608] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING+0x48/0x4c) 222] Hardware name: Freescale i.M<4>[ 64.736817] r9:c1ad2ad8 r8:c15ec020 r7:c59c9f60 r6:00000008 r5:c69e2000 r4:00000002 X6 Quad/DualLite (Device Tree) #<4>[ 64.747681] [] (lkdtm_WARNING) from [] (lkdtm_do_action+0x2c/0x4c) [ 63.824031] Backtrace: # [ <4>[ 64.758722] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) 63.826801] [] (dump_b<4>[ 64.769855] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) acktrace) from [] (show<4>[ 64.780887] r9:c59c9f60 r8:c30239c0 r7:00000008 r6:b6de3000 r5:c29c4a00 r4:c0c592dc _stack+0x20/0x24) # [ 63.83466<4>[ 64.791759] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) 4] r7:ffffffff r6:60080093 r5:00<4>[ 64.802703] r9:c07e2978 r8:c59c9f60 r7:c290d000 r6:b6de3000 r5:c29c4a00 r4:00000000 000000 r4:c1f1ced8 # [ 63.8406<4>[ 64.813571] [] (vfs_write) from [] (ksys_write+0x74/0xec) 26] [] (show_stack) fro<4>[ 64.823829] r10:00000004 r9:00000000 r8:00000000 r7:b6de3000 r6:c59c8000 r5:c29c4a00 m [] (dump_stack+0xe0/0<4>[ 64.834775] r4:c29c4a00 x100) # [ 63.848246] [[ 64.840438] [] (ksys_write) from [] (sys_write+0x18/0x1c) 4>] (dump_stack) from [<4>[ 64.850695] r9:c59c8000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000008 r4:00000008 ] (___might_sleep+0x188/0x2e0) #<4>[ 64.861566] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 63.856284] r9:60080093 r8:0<4>[ 64.872251] Exception stack(0xc59c9fa8 to 0xc59c9ff0) 000000b r7:c035c468 r6:00000031 r<4>[ 64.880429] 9fa0: 00000008 00000008 00000001 b6de3000 00000008 00000001 5:c19cebc8 r4:c6cec000 # [ 63.<4>[ 64.891730] 9fc0: 00000008 00000008 7ff00000 00000004 00000001 b6de3000 00020000 004efe38 864325] [] (___might_sl<4>[ 64.903027] 9fe0: 00000004 beabb7e8 b6ea933b b6e22616 eep<4>[ 64.911271] irq event stamp: 0 <4>[ 64.914783] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 64.920661] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac ) f<4>[ 64.928442] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac rom [] (__might_sleep+0<4>[ 64.936473] softirqs last disabled at (0): [<00000000>] 0x0 x70/0xb0) <4>[ 64.945206] ---[ end trace 6c61b7a51df8f460 ]--- # [ 63.872443] r6:00000000 r5:00000031 r4:c19cebc8 # [ 63.877368] [] (__might_sleep) from [] (exit_signals+0x4c/0x420) # [ 63.885400] r6:00000001 r5:c6cec000 r4:c599b600 # [ 63.890327] [] (exit_signals) from [] (do_exit+0x100/0xafc) # [ 63.897927] r8:0000000b r7:c1e1c88c r6:ffffe000 r5:00000000 r4:c599b600 # [ 63.904927] [] (do_exit) from [] (make_task_dead+0x68/0x74) # [ 63.912519] r7:c1e1c88c # [ 63.915353] [] (make_task_dead) from [] (die+0x370/0x37c) # [ 63.922782] [] (die) from [] (do_undefinstr+0x170/0x240) # [ 63.930125] r10:00000004 r9:c6cec000 r8:c15ec020 r7:00000000 r6:c6ceddc8 r5:c0c5947c # [ 63.938236] r4:e7f001f2 # [ 63.941065] [] (do_undefinstr) from [] (__und_svc_finish+0x0/0x54) # [ 63.949265] Exception stack(0xc6ceddc8 to 0xc6cede10) # [ 63.954607] ddc0: c15ec028 ef7965e0 30190ac1 c0c59468 00000001 c6c70000 # [ 63.963079] dde0: 00000004 c6cedf60 c15ec020 c1ad2ad4 00000004 c6cede64 c6cede68 c6cede58 # [ 63.971543] de00: c0c58efc c0c5947c a0080013 ffffffff # [ 63.976883] r7:c6ceddfc r6:ffffffff r5:a0080013 r4:c0c59480 # [ 63.982839] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) # [ 63.990703] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 63.999008] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 64.007221] r9:c6cedf60 r8:c30239c0 r7:00000004 r6:b6daa000 r5:c2fcf900 r4:c0c592dc # [ 64.015267] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 64.023392] r9:c07e2978 r8:c6cedf60 r7:c290d000 r6:b6daa000 r5:c2fcf900 r4:00000000 # [ 64.031432] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 64.038862] r10:00000004 r9:00000000 r8:00000000 r7:b6daa000 r6:c6cec000 r5:c2fcf900 # [ 64.046974] r4:c2fcf900 # [ 64.049804] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 64.057232] r9:c6cec000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000004 r4:00000004 # [ 64.065270] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 64.073122] Exception stack(0xc6cedfa8 to 0xc6cedff0) # [ 64.078463] dfa0: 00000004 00000004 00000001 b6daa000 00000004 00000001 # [ 64.086933] dfc0: 00000004 00000004 7ff00000 00000004 00000001 b6daa000 00020000 0045fe38 # [ 64.095396] dfe0: 00000004 beb2d7e8 b6e7033b b6de9616 # BUG: saw 'kernel BUG at': ok ok 2 selftests: lkdtm: BUG.sh # selftests: lkdtm: WARNING.sh # [ 64.569096] lkdtm: Performing direct entry WARNING # [ 64.575148] ------------[ cut here ]------------ # [ 64.582998] WARNING: CPU: 3 PID: 812 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x48/0x4c # [ 64.594425] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore imx_ldb dw_hdmi_imx dw_hdmi parallel_display flexcan can_dev imxdrm caam error etnaviv gpu_sched imx_ipu_v3 # [ 64.629393] CPU: 3 PID: 812 Comm: cat Tainted: G D W 5.10.217-cip47 #1 # [ 64.640128] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 64.649779] Backtrace: # [ 64.655368] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 64.666048] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1ced8 # [ 64.674835] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 64.685271] [] <6>[ 65.273514] lkdtm: Performing direct entry WARNING_MESSAGE (dump_stack) from [] (_<4>[ 65.279834] ------------[ cut here ]------------ _warn+0x98/0x14c) # [ 64.69534<4>[ 65.287678] WARNING: CPU: 3 PID: 848 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x4c/0x54 9] r9:00000009 r8:c0c594c8 r7:00<4>[ 65.299989] Warning message trigger count: 2 000053 r6:00000009 r5:c0c594c8 r4<4>[ 65.307331] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore imx_ldb dw_hdmi_imx dw_hdmi parallel_display flexcan can_dev imxdrm caam error etnaviv gpu_sched imx_ipu_v3 :c1ad3190 # [ 64.706219] [[ 65.342281] CPU: 3 PID: 848 Comm: cat Tainted: G D W 5.10.217-cip47 #1 56730>] (__warn) from [<4>[ 65.353022] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) ] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 65.362673] Backtrace: # [ 64.716819] r7:00000053 r6:<4>[ 65.368265] [] (dump_backtrace) from [] (show_stack+0x20/0x24) c1ad3190 r5:00000000 r4:c59c8000 <4>[ 65.378945] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1ced8 # [ 64.725608] [] (w<4>[ 65.387730] [] (show_stack) from [] (dump_stack+0xe0/0x100) arn_slowpath_fmt) from [[ 65.398165] [] (dump_stack) from [] (__warn+0x98/0x14c) >] (lkdtm_WARNING+0x48/0x4c) # [<4>[ 65.408244] r9:00000009 r8:c0c59518 r7:00000058 r6:00000009 r5:c0c59518 r4:c1ad3190 64.736817] r9:c1ad2ad8 r8:c15<4>[ 65.419112] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) ec020 r7:c59c9f60 r6:00000008 r5:<4>[ 65.429714] r7:00000058 r6:c1ad3190 r5:c1ad31ac r4:c694c000 c69e2000 r4:00000002 # [ 64.74<4>[ 65.438505] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING_MESSAGE+0x4c/0x54) 7681] [] (lkdtm_WARNING<4>[ 65.450406] r9:c1ad2ae0 r8:c15ec020 r7:c694df60 r6:00000010 r5:c5943000 r4:00000003 ) from [] (lkdtm_do_act<4>[ 65.461275] [] (lkdtm_WARNING_MESSAGE) from [] (lkdtm_do_action+0x2c/0x4c) ion+0x2c/0x4c) # [ 64.758722] <4>[ 65.473010] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [] (lkdtm_do_action) fr<4>[ 65.484141] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) om [] (direct_entry+0x1<4>[ 65.495174] r9:c694df60 r8:c30239c0 r7:00000010 r6:b6dc9000 r5:c6a71a40 r4:c0c592dc 20/0x18c) # [ 64.769855] [[ 65.506047] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) 592dc>] (direct_entry) from [[ 65.516992] r9:c07e2978 r8:c694df60 r7:c290d000 r6:b6dc9000 r5:c6a71a40 r4:00000000 e29dc>] (full_proxy_write+0x64/0x<4>[ 65.527859] [] (vfs_write) from [] (ksys_write+0x74/0xec) 94) # [ 64.780887] r9:c59c9f6<4>[ 65.538117] r10:00000004 r9:00000000 r8:00000000 r7:b6dc9000 r6:c694c000 r5:c6a71a40 0 r8:c30239c0 r7:00000008 r6:b6de<4>[ 65.549065] r4:c6a71a40 3000 r5:c29c4a00 r4:c0c592dc # [<4>[ 65.554729] [] (ksys_write) from [] (sys_write+0x18/0x1c) 64.791759] [] (full_<4>[ 65.564987] r9:c694c000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000010 r4:00000010 proxy_write) from [] (v<4>[ 65.575854] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) fs_write+0x10c/0x53c) # [ 64.8<4>[ 65.586543] Exception stack(0xc694dfa8 to 0xc694dff0) 02703] r9:c07e2978 r8:c59c9f60 r<4>[ 65.594722] dfa0: 00000010 00000010 00000001 b6dc9000 00000010 00000001 7:c290d000 r6:b6de3000 r5:c29c4a0<4>[ 65.606023] dfc0: 00000010 00000010 7ff00000 00000004 00000001 b6dc9000 00020000 0043fe38 0 r4:00000000 # [ 64.813571] [<4>[ 65.617320] dfe0: 00000004 becfe7e8 b6e8f33b b6e08616 ] (vfs_write) from [[ 65.625545] irq event stamp: 0 59c9b0>] (ksys_write+0x74/0xec) <4>[ 65.631699] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 64.823829] r10:00000004 r9<4>[ 65.640386] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac :00000000 r8:00000000 r7:b6de3000<4>[ 65.651018] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac r6:c59c8000 r5:c29c4a00 # [ 6<4>[ 65.661621] softirqs last disabled at (0): [<00000000>] 0x0 4.834775] r4:c29c4a00 # [ 64.<4>[ 65.670281] ---[ end trace 6c61b7a51df8f461 ]--- 840438] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 64.850695] r9:c59c8000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000008 r4:00000008 # [ 64.861566] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 64.872251] Exception stack(0xc59c9fa8 to 0xc59c9ff0) # [ 64.880429] 9fa0: 00000008 00000008 00000001 b6de3000 00000008 00000001 # [ 64.891730] 9fc0: 00000008 00000008 7ff00000 00000004 00000001 b6de3000 00020000 004efe38 # [ 64.903027] 9fe0: 00000004 beabb7e8 b6ea933b b6e22616 # [ 64.911271] irq event stamp: 0 # [ 64.914783] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 64.920661] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 64.928442] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 64.936473] softirqs last disabled at (0): [<00000000>] 0x0 # [ 64.945206] ---[ end trace 6c61b7a51df8f460 ]--- # WARNING: saw 'WARNING:': ok ok 3 selftests: lkdtm: WARNING.sh # selftests: lkdtm: WARNING_MESSAGE.sh # [ 65.273514] lkdtm: Performing direct entry WARNING_MESSAGE # [ 65.279834] ------------[ cut here ]------------ # [ 65.287678] WARNING: CPU: 3 PID: 848 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x4c/0x54 # [ 65.299989] Warning message trigger count: 2 # [ 65.307331] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore imx_ldb dw_hdmi_imx dw_hdmi parallel_display flexcan can_dev imxdrm caam error etnaviv gpu_sched imx_ipu_v3 # [ 65.342281] CPU: 3 PID: 848 Comm: cat Tainted: G D W 5.10.217-cip47 #1 # [ 65.353022] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 65.362673] Backtrace: # [ 65.368265] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 65.378945] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1ced8 # [ 65.387730] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 65.398165] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 65.408244] r9:00000009 r8:c0c59518 r7:00000058 r6:00000009 r5:c0c59518 r4:c1ad3190 # [ 65.419112] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 65.429714] r7:00000058 r6:c1ad3190 r5:c1ad31ac r4:c694c000 # [ 65.438505] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING_MESSAGE+0x4c/0x54) # [ 65.450406] r9:c1ad2ae0 r8:c15ec020 r7:c694df60 r6:00000010 r5:c5943000 r4:00000003 # [ 65.461275] [] (lkdtm_WARNING_MESSAGE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 65.473010] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 65.484141] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 65.495174] r9:c694df60 r8:c30239c0 r7:00000010 r6:b6dc9000 r5:c6a71a40 r4:c0c592dc # [ 65.506047] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 65.516992] r9:c07e2978 r8:c694df60 r7:c290d000 r6:b6dc9000 r5:c6a71a40 r4:00000000 # [ 65.527859] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 65.538117] r10:00000004 r9:00000000 r8:00000000 r7:b6dc9000 r6:c694c000 r5:c6a71a40 # [ 65.549065] r4:c6a71a40 # [ 65.554729] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 65.564987] r9:c694c000 r8:c03002e4 r7:00000004 r6:7ff0000<6>[ 65.989917] lkdtm: Performing direct entry EXCEPTION 0 r5:00000010 r4:00000010 # [ <1>[ 65.995838] 8<--- cut here --- 65.575854] [] (sys_writ<1>[ 66.001822] Unable to handle kernel NULL pointer dereference at virtual address 00000000 e) from [] (ret_fast_sy<1>[ 66.013113] pgd = e06d8ef4 scall+0x0/0x28) # [ 65.586543]<1>[ 66.018844] [00000000] *pgd=00000000 Exception stack(0xc694dfa8 to 0x<0>[ 66.025580] Internal error: Oops: 805 [#2] SMP ARM c694dff0) # [ 65.594722] dfa0:<4>[ 66.033446] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore imx_ldb dw_hdmi_imx dw_hdmi parallel_display flexcan can_dev imxdrm caam error etnaviv gpu_sched imx_ipu_v3 <040>0[0 0 0 16.068449] CPU: 1 PID: 881 Comm: cat Tainted: G D W 5.10.217-cip47 #1 0 00000010 0<040>0[0 0 0 16 6b.068530] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) dc9000 00000010 00000001 #< 4[> 66.087149] PC is at lkdtm_EXCEPTION+0x18/0x20 65.606023] c[0 : 06060.094361] LR is at lkdtm_do_action+0x2c/0x4c 0010 00000<041>0[ 7 f f6060.01000971] pc : [] lr : [] psr: a0080013 00000004 000<040>0[0 1 b666.d109320] sp : c6a57e58 ip : c6a57e68 fp : c6a57e64 9000 00020<040>0[ 0 0 4636f.e1316712] r10: 0000000a r9 : c1ad2af0 r8 : c15ec020 # [ 65.<641>7[3 2 0 ]6 6d.f1e4019] r7 : c6a57f60 r6 : 0000000a r5 : c6b75000 r4 : 00000004 0: 000000<044> [b e c f6e6.71e382628] r3 : 00000000 r2 : 25d4eab0 r1 : ef7965e0 r0 : c15ec040 b6e8f33b b6e08<641>6[ # 6[6 .141153] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none 65.625545<]4 >i[r q e6v6e.n1t50541] Control: 10c5387d Table: 1680404a DAC: 00000051 stamp: 0 # [ 65<.06>3[1 6 9 966.158373] Process cat (pid: 881, stack limit = 0xaad44dda) hardirqs la [ e n a6b6.l1e6456] Stack: (0xc6a57e58 to 0xc6a58000) d at (0): [<00<000>0[0 0 0 >6]6 .172899] 7e40: c6a57e74 c6a57e68 x0 # [ 65.640<308>6[] h a6r6.183332] 7e60: c0c58efc c0c5952c c6a57e9c c6a57e78 c0c593fc c0c58edc c0c592dc c5aae8c0 irqs last disabl [a t (606.193852] 7e80: b6df2000 0000000a c30239c0 c6a57f60 c6a57ec4 c6a57ea0 c07e29dc c0c592e8 : [] co_[ p r o6c6.204369] 7ea0: 00000000 c5aae8c0 b6df2000 c290d000 c6a57f60 c07e2978 c6a57f5c c6a57ec8 ss+0x5f8/0x1dac <#0 >[[ 665.214888] 7ec0: c059c404 c07e2984 00000001 00000000 c059c9b0 c596cb64 c059c9b0 c6a56000 .651018] softir [l a s t6 6 225405] 7ee0: b6df2000 00020000 00000004 0000000a 0001fff6 c6a57ee0 00000001 00000805 enabled at (0):< 0[><[c 0 3 56368235839] 7f00: c4669400 00000000 00000000 00000000 00000000 00000000 00000000 00000000 f4>] copy_procs[+ 0 x 56f68.246270] 7f20: 00000000 00000000 c6a56000 25d4eab0 b6df1000 c5aae8c0 c5aae8c0 c6a56000 0x1dac # [ 65<.06>6[1 6 2 16]6.256703] 7f40: b6df2000 00000000 00000000 00000004 c6a57f94 c6a57f60 c059c9b0 c059c304 softirqs last disl[e d a6t.267223] 7f60: 00000000 00000000 c6a57fac 25d4eab0 0000000a 0000000a 7ff00000 00000004 (0): [<00000000><]0 >0[x 0 6#.277741] 7f80: c03002e4 c6a56000 c6a57fa4 c6a57f98 c059ca40 c059c948 00000000 c6a57fa8 [ 65.670281]< 0->-[- [ e6n6d288258] 7fa0: c03000c0 c059ca34 0000000a 0000000a 00000001 b6df2000 0000000a 00000001 trace 6c61b7a51df[4 6 1 6].298691] 7fc0: 0000000a 0000000a 7ff00000 00000004 00000001 b6df2000 00020000 0049fe38 --- # WARNING<_0M>E[S S A G6E6:.309209] 7fe0: 00000004 bea4f7e8 b6eb833b b6e31616 60080030 00000001 00000000 00000000 saw 'message trigr[' : o6k.319636] Backtrace: ok 4 selftests: lkdt [W A 66.324434] [] (lkdtm_EXCEPTION) from [] (lkdtm_do_action+0x2c/0x4c) NING_MESSAGE.sh # sf[t e s 66.335125] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) s: lkdtm: EXCEPTION.sh <0>[ 66.345651] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 66.355902] r9:c6a57f60 r8:c30239c0 r7:0000000a r6:b6df2000 r5:c5aae8c0 r4:c0c592dc <0>[ 66.363923] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 66.372022] r9:c07e2978 r8:c6a57f60 r7:c290d000 r6:b6df2000 r5:c5aae8c0 r4:00000000 <0>[ 66.380036] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 66.387441] r10:00000004 r9:00000000 r8:00000000 r7:b6df2000 r6:c6a56000 r5:c5aae8c0 <0>[ 66.395536] r4:c5aae8c0 <0>[ 66.398342] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 66.405747] r9:c6a56000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000000a r4:0000000a <0>[ 66.413763] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 66.421597] Exception stack(0xc6a57fa8 to 0xc6a57ff0) <0>[ 66.426919] 7fa0: 0000000a 0000000a 00000001 b6df2000 0000000a 00000001 <0>[ 66.435367] 7fc0: 0000000a 0000000a 7ff00000 00000004 00000001 b6df2000 00020000 0049fe38 <0>[ 66.443811] 7fe0: 00000004 bea4f7e8 b6eb833b b6e31616 <0>[ 66.449133] Code: e24cb004 e52de004 e8bd4000 e3a03000 (e5833000) <4>[ 66.455542] ---[ end trace 6c61b7a51df8f462 ]--- # Segmentation fault # [ 65.989917] lkdtm: Performing direct entry EXCEPTION # [ 65.995838] 8<--- cut here --- # [ 66.001822] Unable to handle kernel NULL pointer dereference at virtual address 00000000 # [ 66.013113] pgd = e06d8ef4 # [ 66.018844] [00000000] *pgd=00000000 # [ 66.025580] Internal error: Oops: 805 [#2] SMP ARM # [ 66.033446] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore imx_ldb dw_hdmi_imx dw_hdmi parallel_display flexcan can_dev imxdrm caam error etnaviv gpu_sched imx_ipu_v3 # [ 66.068449] CPU: 1 PID: 881 Comm: cat Tainted: G D W 5.10.217-cip47 #1 # [ 66.078530] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 66.087149] PC is at lkdtm_EXCEPTION+0x18/0x20 # [ 66.094361] LR is at lkdtm_do_action+0x2c/0x4c # [ 66.100971] pc : [] lr : [] psr: a0080013 # [ 66.109320] sp : c6a57e58 ip : c6a57e68 fp : c6a57e64 # [ 66.116712] r10: 0000000a r9 : c1ad2af0 r8 : c15ec020 # [ 66.124019] r7 : c6a57f60 r6 : 0000000a r5 : c6b75000 r4 : 00000004 # [ 66.132628] r3 : 00000000 r2 : 25d4eab0 r1 : ef7965e0 r0 : c15ec040 # [ 66.141153] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 66.150541] Control: 10c5387d Table: 1680404a DAC: 00000051 # [ 66.158373] Process cat (pid: 881, stack limit = 0xaad44dda) # [ 66.166456] Stack: (0xc6a57e58 to 0xc6a58000) # [ 66.172899] 7e40: c6a57e74 c6a57e68 # [ 66.183332] 7e60: c0c58efc c0c5952c c6a57e9c c6a57e78 c0c593fc c0c58edc c0c592dc c5aae8c0 # [ 66.193852] 7e80: b6df2000 0000000a c30239c0 c6a57f60 c6a57ec4 c6a57ea0 c07e29dc c0c592e8 # [ 66.204369] 7ea0: 00000000 c5aae8c0 b6df2000 c290d000 c6a57f60 c07e2978 c6a57f5c c6a57ec8 # [ 66.214888] 7ec0: c059c404 c07e2984 00000001 00000000 c059c9b0 c596cb64 c059c9b0 c6a56000 # [ 66.225405] 7ee0: b6df2000 00020000 00000004 0000000a 0001fff6 c6a57ee0 00000001 00000805 # [ 66.235839] 7f00: c4669400 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 66.246270] 7f20: 00000000 00000000 c6a56000 25d4eab0 b6df1000 c5aae8c0 c5aae8c0 c6a56000 # [ 66.256703] 7f40: b6df2000 00000000 00000000 00000004 c6a57f94 c6a57f60 c059c9b0 c059c304 # [ 66.267223] 7f60: 00000000 00000000 c6a57fac 25d4eab0 0000000a 0000000a 7ff00000 00000004 # [ 66.277741] 7f80: c03002e4 c6a56000 c6a57fa4 c6a57f98 c059ca40 c059c948 00000000 c6a57fa8 # [ 66.288258] 7fa0: c03000c0 c059ca34 0000000a 0000000a 00000001 b6df2000 0000000a 00000001 # [ 66.298691] 7fc0: 0000000a 0000000a 7ff00000 00000004 00000001 b6df2000 00020000 0049fe38 # [ 66.309209] 7fe0: 00000004 bea4f7e8 b6eb833b b6e31616 60080030 00000001 00000000 00000000 # [ 66.319636] Backtrace: # [ 66.324434] [] (lkdtm_EXCEPTION) from [] (lkdtm_do_action+0x2c/0x4c) # [ 66.335125] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 66.345651] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 66.355902] r9:c6a57f60 r8:c30239c0 r7:0000000a r6:b6df2000 r5:c5aae8c0 r4:c0c592dc # [ 66.363923] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 66.372022] r9:c07e2978 r8:c6a57f60 r7:c290d000 r6:b6df2000 r5:c5aae8c0 r4:00000000 # [ 66.380036] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 66.387441] r10:00000004 r9:00000000 r8:00000000 r7:b6df2000 r6:c6a56000 r5:c5aae8c0 # [ 66.395536] r4:c5aae8c0 # [ 66.398342] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 66.405747] r9:c6a56000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000000a r4:0000000a # [ 66.413763] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 66.421597] Exception stack(0xc6a57fa8 to 0xc6a57ff0) # [ 66.426919] 7fa0: 0000000a 0000000a 00000001 b6df2000 0000000a 00000001 # [ 66.435367] 7fc0: 0000000a 0000000a 7ff00000 00000004 00000001 b6df2000 00020000 0049fe38 # [ 66.443811] 7fe0: 00000004 bea4f7e8 b6eb833b b6e31616 # [ 66.449133] Code: e24cb004 e52de004 e8bd4000 e3a03000 (e5833000) # [ 66.455542] ---[ end trace 6c61b7a51df8f462 ]--- # 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>[ 67.587651] lkdtm: Performing direct entry CORRUPT_LIST_ADD <6>[ 67.593676] lkdtm: attempting good list addition <6>[ 67.598596] lkdtm: attempting corrupted list addition <3>[ 67.603983] lkdtm: list_add() corruption not detected! # [ 67.587651] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 67.593676] lkdtm: attempting good list addition # [ 67.598596] lkdtm: attempting corrupted list addition # [ 67.603983] 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>[ 67.924456] lkdtm: Performing direct entry CORRUPT_LIST_DEL <6>[ 67.931277] lkdtm: attempting good list removal <6>[ 67.936082] lkdtm: attempting corrupted list removal <3>[ 67.941605] lkdtm: list_del() corruption not detected! # [ 67.924456] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 67.931277] lkdtm: attempting good list removal # [ 67.936082] lkdtm: attempting corrupted list removal # [ 67.941605] 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>[ 68.253310] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING <6>[ 68.259858] lkdtm: attempting bad read from page below current stack <3>[ 68.266672] lkdtm: FAIL: accessed page before stack! (byte: 6e) # [ 68.253310] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 68.259858] lkdtm: attempting bad read from page below current stack # [ 68.266672] lkdtm: FAIL: accessed page before stack! (byte: 6e) # 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>[ 68.577937] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING <6>[ 68.584643] lkdtm: attempting bad read from page above current stack <3>[ 68.591430] lkdtm: FAIL: accessed page after stack! (byte: 7a) # [ 68.577937] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING # [ 68.584643] lkdtm: attempting bad read from page above current stack # [ 68.591430] lkdtm: FAIL: accessed page after stack! (byte: 7a) # 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>[ 68.913464] lkdtm: Performing direct entry UNSET_SMEP <3>[ 68.918796] lkdtm: XFAIL: this test is x86_64-only # [ 68.913464] lkdtm: Performing direct entry UNSET_SMEP # [ 68.918796] 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>[ 69.238557] lkdtm: Performing direct entry DOUBLE_FAULT <3>[ 69.244211] lkdtm: XFAIL: this test is ia32-only # [ 69.238557] lkdtm: Performing direct entry DOUBLE_FAULT # [ 69.244211] 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>[ 69.552648] lkdtm: Performing direct entry CORRUPT_PAC <3>[ 69.558068] lkdtm: XFAIL: this test is arm64-only <6>[ 69.611753] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) <6>[ 69.620338] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) <6>[ 69.629099] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) # [ 69.552648] lkdtm: Performin<6>[ 69.637780] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) g direct entry CORRUPT_PAC # [ 69.558068] lkdtm: XFAIL: this <4>[ 69.653266] panel-simple panel-lvds0: supply power not found, using dummy regulator test is arm64-only # [ 69.611753] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) # CORRUPT_PAC: saw 'XFAIL': [SKIP] ok 16 selftests: lkdtm: CORRUPT_PAC.sh # SKIP <4>[ 69.680719] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 69.688928] panel-simple panel-lcd: Specify missing connector_type # selftests: lkdtm: UNALIGNED_LOA<6>[ 69.697969] platform ldb: deferred probe pending D_STORE_WRITE.sh <6>[ 69.703326] platform panel-lvds0: deferred probe pending <6>[ 69.710337] platform backlight-lcd: deferred probe pending <6>[ 69.716307] platform backlight-lvds: deferred probe pending <6>[ 69.722223] platform panel-lcd: deferred probe pending <6>[ 69.894937] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE <3>[ 69.901702] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS # [ 69.894937] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # [ 69.901702] 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>[ 70.613772] lkdtm: Performing direct entry READ_AFTER_FREE <6>[ 70.619542] lkdtm: Value in memory before free: 12345678 <6>[ 70.625395] lkdtm: Attempting bad read from freed memory <6>[ 70.631101] lkdtm: Memory was not poisoned # [ 70.613772] lkdtm: Performing direct entry READ_AFTER_FREE # [ 70.619542] lkdtm: Value in memory before free: 12345678 # [ 70.625395] lkdtm: Attempting bad read from freed memory # [ 70.631101] 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>[ 71.138927] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE <6>[ 71.145345] lkdtm: Value in memory before free: 12345678 <6>[ 71.151062] lkdtm: Attempting to read from freed memory <6>[ 71.156565] lkdtm: Buddy page was not poisoned # [ 71.138927] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE # [ 71.145345] lkdtm: Value in memory before free: 12345678 # [ 71.151062] lkdtm: Attempting to read from freed memory # [ 71.156565] 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>[ 71.484228] lkdtm: Performing direct entry SLAB_FREE_DOUBLE <6>[ 71.490095] lkdtm: Attempting double slab free ... # [ 71.484228] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 71.490095] 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>[ 71.806932] lkdtm: Performing direct entry SLAB_FREE_CROSS <6>[ 71.812782] lkdtm: Attempting cross-cache slab free ... # [ 71.806932] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 71.812782] 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>[ 72.120797] lkdtm: Performing direct entry SLAB_FREE_PAGE <6>[ 72.126480] lkdtm: Attempting non-Slab slab free ... # [ 72.120797] lkdtm: Performing direct entry SLAB_FREE_PAGE # [ 72.126480] 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>[ 73.202082] lkdtm: Performing direct entry EXEC_DATA <6>[ 73.207330] lkdtm: attempting ok execution at c0c59c6c <6>[ 73.212959] lkdtm: attempting bad execution at c2705a28 <1>[ 73.218499] 8<--- cut here --- <1>[ 73.221827] Unable to handle kernel paging request at virtual address c2705a28 <1>[ 73.229321] pgd = dbef9793 <1>[ 73.232307] [c2705a28] *pgd=1261141e(bad) <0>[ 73.236633] Internal error: Oops: 8000000d [#3] SMP ARM <4>[ 73.242144] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore imx_ldb dw_hdmi_imx dw_hdmi parallel_display flexcan can_dev imxdrm caam error etnaviv gpu_sched imx_ipu_v3 <4>[ 73.274770] CPU: 3 PID: 1757 Comm: cat Tainted: G D W 5.10.217-cip47 #1 <4>[ 73.282799] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 73.289628] PC is at data_area+0x0/0x40 <4>[ 73.293758] LR is at execute_location+0xa4/0xb4 <4>[ 73.298575] pc : [] lr : [] psr: 60080013 <4>[ 73.305126] sp : c5a6fe38 ip : 00000027 fp : c5a6fe54 <4>[ 73.310634] r10: 0000000a r9 : c1ad2cd4 r8 : c15ec020 <4>[ 73.316141] r7 : c5a6ff60 r6 : 00000001 r5 : c2705a28 r4 : c0c59c6c <4>[ 73.322952] r3 : a9d460f0 r2 : a9d460f0 r1 : ef7c05e4 r0 : 0000002b <4>[ 73.329766] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 73.337187] Control: 10c5387d Table: 168cc04a DAC: 00000051 <0>[ 73.343220] Process cat (pid: 1757, stack limit = 0x6b9bbb6a) <0>[ 73.349252] Stack: (0xc5a6fe38 to 0xc5a70000) <0>[ 73.353899] fe20: 0000001f c5af3000 <0>[ 73.362373] fe40: 0000000a c5a6ff60 c5a6fe64 c5a6fe58 c13974a8 c13972a4 c5a6fe74 c5a6fe68 <0>[ 73.370843] fe60: c0c58efc c1397490 c5a6fe9c c5a6fe78 c0c593fc c0c58edc c0c592dc c5900a00 <0>[ 73.379315] fe80: b6e3b000 0000000a c30239c0 c5a6ff60 c5a6fec4 c5a6fea0 c07e29dc c0c592e8 <0>[ 73.387785] fea0: 00000000 c5900a00 b6e3b000 c290d000 c5a6ff60 c07e2978 c5a6ff5c c5a6fec8 <0>[ 73.396256] fec0: c059c404 c07e2984 00000001 00000000 c059c9b0 c13ac870 c059c9b0 c5a6e000 <0>[ 73.404726] fee0: b6e3b000 00020000 00000004 0000000a 0001fff6 c5a6fee0 00000001 b6e3a000 <0>[ 73.413194] ff00: c6d90780 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 73.421665] ff20: 00000000 00000000 c13ac870 a9d460f0 c206b700 c5900a00 c5900a00 c5a6e000 <0>[ 73.430134] ff40: b6e3b000 00000000 00000000 00000004 c5a6ff94 c5a6ff60 c059c9b0 c059c304 <0>[ 73.438625] ff60: 00000000 00000000 c5a6ffac a9d460f0 0000000a 0000000a 7ff00000 00000004 <0>[ 73.447105] ff80: c03002e4 c5a6e000 c5a6ffa4 c5a6ff98 c059ca40 c059c948 00000000 c5a6ffa8 <0>[ 73.455577] ffa0: c03000c0 c059ca34 0000000a 0000000a 00000001 b6e3b000 0000000a 00000001 <0>[ 73.464049] ffc0: 0000000a 0000000a 7ff00000 00000004 00000001 b6e3b000 00020000 0042fe38 <0>[ 73.472520] ffe0: 00000004 be9de7e8 b6f0133b b6e7a616 60080030 00000001 00000000 00000000 <0>[ 73.480978] Backtrace: <0>[ 73.483742] [] (execute_location) from [] (lkdtm_EXEC_DATA+0x24/0x28) <0>[ 73.492216] r7:c5a6ff60 r6:0000000a r5:c5af3000 r4:0000001f <0>[ 73.498177] [] (lkdtm_EXEC_DATA) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 73.506564] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 73.514878] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 73.523093] r9:c5a6ff60 r8:c30239c0 r7:0000000a r6:b6e3b000 r5:c5900a00 r4:c0c592dc <0>[ 73.531144] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 73.539271] r9:c07e2978 r8:c5a6ff60 r7:c290d000 r6:b6e3b000 r5:c5900a00 r4:00000000 <0>[ 73.547313] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 73.554744] r10:00000004 r9:00000000 r8:00000000 r7:b6e3b000 r6:c5a6e000 r5:c5900a00 <0>[ 73.562855] r4:c5900a00 <0>[ 73.565685] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 73.573114] r9:c5a6e000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000000a r4:0000000a <0>[ 73.581157] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 73.589010] Exception stack(0xc5a6ffa8 to 0xc5a6fff0) <0>[ 73.594354] ffa0: 0000000a 0000000a 00000001 b6e3b000 0000000a 00000001 <0>[ 73.602824] ffc0: 0000000a 0000000a 7ff00000 00000004 00000001 b6e3b000 00020000 0042fe38 <0>[ 73.611288] ffe0: 00000004 be9de7e8 b6f0133b b6e7a616 <0>[ 73.616634] Code: 00000000 c4043900 c40439c0 c4043a80 (e1a0c00d) <4>[ 73.623025] ---[ end trace 6c61b7a51df8f463 ]--- # Segmentation fault # [ 73.202082] lkdtm: Performing direct entry EXEC_DATA # [ 73.207330] lkdtm: attempting ok execution at c0c59c6c # [ 73.212959] lkdtm: attempting bad execution at c2705a28 # [ 73.218499] 8<--- cut here --- # [ 73.221827] Unable to handle kernel paging request at virtual address c2705a28 # [ 73.229321] pgd = dbef9793 # [ 73.232307] [c2705a28] *pgd=1261141e(bad) # [ 73.236633] Internal error: Oops: 8000000d [#3] SMP ARM # [ 73.242144] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore imx_ldb dw_hdmi_imx dw_hdmi parallel_display flexcan can_dev imxdrm caam error etnaviv gpu_sched imx_ipu_v3 # [ 73.274770] CPU: 3 PID: 1757 Comm: cat Tainted: G D W 5.10.217-cip47 #1 # [ 73.282799] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 73.289628] PC is at data_area+0x0/0x40 # [ 73.293758] LR is at execute_location+0xa4/0xb4 # [ 73.298575] pc : [] lr : [] psr: 60080013 # [ 73.305126] sp : c5a6fe38 ip : 00000027 fp : c5a6fe54 # [ 73.310634] r10: 0000000a r9 : c1ad2cd4 r8 : c15ec020 # [ 73.316141] r7 : c5a6ff60 r6 : 00000001 r5 : c2705a28 r4 : c0c59c6c # [ 73.322952] r3 : a9d460f0 r2 : a9d460f0 r1 : ef7c05e4 r0 : 0000002b # [ 73.329766] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 73.337187] Control: 10c5387d Table: 168cc04a DAC: 00000051 # [ 73.343220] Process cat (pid: 1757, stack limit = 0x6b9bbb6a) # [ 73.349252] Stack: (0xc5a6fe38 to 0xc5a70000) # [ 73.353899] fe20: 0000001f c5af3000 # [ 73.362373] fe40: 0000000a c5a6ff60 c5a6fe64 c5a6fe58 c13974a8 c13972a4 c5a6fe74 c5a6fe68 # [ 73.370843] fe60: c0c58efc c1397490 c5a6fe9c c5a6fe78 c0c593fc c0c58edc c0c592dc c5900a00 # [ 73.379315] fe80: b6e3b000 0000000a c30239c0 c5a6ff60 c5a6fec4 c5a6fea0 c07e29dc c0c592e8 # [ 73.387785] fea0: 00000000 c5900a00 b6e3b000 c290d000 c5a6ff60 c07e2978 c5a6ff5c c5a6fec8 # [ 73.396256] fec0: c059c404 c07e2984 00000001 00000000 c059c9b0 c13ac870 c059c9b0 c5a6e000 # [ 73.404726] fee0: b6e3b000 00020000 00000004 0000000a 0001fff6 c5a6fee0 00000001 b6e3a000 # [ 73.413194] ff00: c6d90780 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 73.421665] ff20: 00000000 00000000 c13ac870 a9d460f0 c206b700 c5900a00 c5900a00 c5a6e000 # [ 73.430134] ff40: b6e3b000 00000000 00000000 00000004 c5a6ff94 c5a6ff60 c059c9b0 c059c304 # [ 73.438625] ff60: 00000000 00000000 c5a6ffac a9d460f0 0000000a 0000000a 7ff00000 00000004 # [ 73.447105] ff80: c03002e4 c5a6e000 c5a6ffa4 c5a6ff98 c059ca40 c059c948 00000000 c5a6ffa8 # [ 73.455577] ffa0: c03000c0 c059ca34 0000000a 0000000a 00000001 b6e3b000 0000000a 00000001 # [ 73.464049] ffc0: 0000000a 0000000a 7ff00000 00000004 00000001 b6e3b000 00020000 0042fe38 # [ 73.472520] ffe0: 00000004 be9de7e8 b6f0133b b6e7a616 60080030 00000001 00000000 00000000 # [ 73.480978] Backtrace: # [ 73.483742] [] (execute_location) from [] (lkdtm_EXEC_DATA+0x24/0x28) # [ 73.492216] r7:c5a6ff60 r6:0000000a r5:c5af3000 r4:0000001f # [ 73.498177] [] (lkdtm_EXEC_DATA) from [] (lkdtm_do_action+0x2c/0x4c) # [ 73.506564] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 73.514878] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 73.523093] r9:c5a6ff60 r8:c3<6>[ 74.040105] lkdtm: Performing direct entry EXEC_STACK 0239c0 r7:0000000a r6:b6e3b000 r5<6>[ 74.047208] lkdtm: attempting ok execution at c0c59c6c :c5900a00 r4:c0c592dc # [ 73.5<6>[ 74.055263] lkdtm: attempting bad execution at c5ad1e0c 31144] [] (full_proxy_w<1>[ 74.063625] 8<--- cut here --- rite) from [9[c 4 0 47>4].069737] Unable to handle kernel paging request at virtual address c5ad1e0c (vfs_write+0x<110>c[/ 0 x 5734c.)79217] pgd = 3112aefe # [ 73.539271] r9:c07e2<917>[ 74.084095] [c5ad1e0c] *pgd=15a1141e(bad) r8:c5a6ff60 r7:c29<00>d[0 0 0 74.090974] Internal error: Oops: 8000000d [#4] SMP ARM 6:b6e3b000 r5:c5900a00 r4:0000000<4>[ 74.098628] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore imx_ldb dw_hdmi_imx dw_hdmi parallel_display flexcan can_dev imxdrm caam error etnaviv gpu_sched imx_ipu_v3 0 # [ 73.547313] [f[ 74.133634] CPU: 3 PID: 1834 Comm: cat Tainted: G D W 5.10.217-cip47 #1 >] (vfs_write)< 4f>r[o m [7<4c.144146] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 59c9b0>] (ksys_write+04[/ 0 74.152937] PC is at 0xc5ad1e0c ec) # [ 73.554744] r1<04:>0[0 74.158682] LR is at execute_location+0xa4/0xb4 000004 r9:00<040>0[0 0 0 7r48.:165897] pc : [] lr : [] psr: 60080013 0000000 r7:e[3 b 0 0740. 1r74333] sp : c5ad1de8 ip : c5ad1cf0 fp : c5ad1e04 :c5a6e000 r5<:4c>5[9 0 0 a7040. 181641] r10: 0000000b r9 : c1ad2ce0 r8 : c15ec020 # [ 73.56285<54]> [ r 4 :7c45.189036] r7 : c5ad1f60 r6 : 00000001 r5 : c5ad1e0c r4 : c0c59c6c 00a00 # [ < 47>3[. 5 6 57648.5197819] r3 : 754fde4c r2 : 754fde4c r1 : ef7c05e0 r0 : 0000002b [] (y[s _ w r7i4t206518] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none e) from [4[0 > ] 7(4s.215909] Control: 10c5387d Table: 169d004a DAC: 00000051 s_write+0x18/<00x>1[c ) 7#4 .[23911] Process cat (pid: 1834, stack limit = 0x1559d8f6) 73.573114]< 0 >r[9 : c 57a46.e31826] Stack: (0xc5ad1de8 to 0xc5ad2000) 000 r8:c03002e4 r7:000<000>0[0 4 74.238358] 1de0: c5ad0000 c5af3000 0000000b c5ad1f60 c5ad1e64 c5ad1e08 r6:7ff00000 r5:00000<000>a[ r 4 74.249138] 1e00: c13974e4 c13972a4 c5ad1e6c e1a0c00d e92dd800 e24cb004 e52de004 e8bd4000 0000000a # [ 73.<508>1[1 5 7 ]4.259831] 1e20: e89da800 e1a0c00d e92dd830 e24cb004 e52de004 e8bd4000 e3033370 e34c31b8 [] (sys<_0w>r[i t e )74.270436] 1e40: e3a02040 e3a01d33 e5930018 754fde4c 0000000b 00000020 c5ad1e74 c5ad1e68 from [] (t[_ f a s4.281042] 1e60: c0c58efc c13974b8 c5ad1e9c c5ad1e78 c0c593fc c0c58edc c0c592dc c6908140 t_syscall+0x0/0x28) <#0 >[[ 74.291650] 1e80: b6e67000 0000000b c30239c0 c5ad1f60 c5ad1ec4 c5ad1ea0 c07e29dc c0c592e8 73.589010] Exceptios[t a c k4.302342] 1ea0: 00000000 c6908140 b6e67000 c290d000 c5ad1f60 c07e2978 c5ad1f5c c5ad1ec8 (0xc5a6ffa8 to 0xc5a6f[0 ) 74.312951] 1ec0: c059c404 c07e2984 00000001 00000000 c059c9b0 c13ac870 c059c9b0 c5ad0000 # [ 73.594354]< 0f>f[a 0 : 7 .323642] 1ee0: b6e67000 00020000 00000004 0000000b 0001fff5 c5ad1ee0 00000001 b6e66000 0<000>0[0 0 0 a74.334162] 1f00: c6d91cc0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 0000000a 00000001 b<60e>3[b 0 0 04.344771] 1f20: 00000000 00000000 c13ac870 754fde4c c206b700 c6908140 c6908140 c5ad0000 0000000a 00000001 < 0#> [[ 4.355376] 1f40: b6e67000 00000000 00000000 00000004 c5ad1f94 c5ad1f60 c059c9b0 c059c304 73.602824] ffc0: 000<000>0[0 a 74.365984] 1f60: 00000000 00000000 c5ad1fac 754fde4c 0000000b 0000000b 7ff00000 00000004 000000a 7ff00000 000<000>0[0 4 74.376678] 1f80: c03002e4 c5ad0000 c5ad1fa4 c5ad1f98 c059ca40 c059c948 00000000 c5ad1fa8 0000001 b6e3b000 <000>0[2 0 0 070.387369] 1fa0: c03000c0 c059ca34 0000000b 0000000b 00000001 b6e67000 0000000b 00000001 0042fe38 # [ <703>.[6 1 1 278.397890] 1fc0: 0000000b 0000000b 7ff00000 00000004 00000001 b6e67000 00020000 004dfe38 8] ffe0: 00000004 be<90d>e[7 e 8 74.408410] 1fe0: 00000004 bef4d7e8 b6f2d33b b6ea6616 60080030 00000001 00000000 00000000 b6f0133b b6e7a616< 0 >#[ [ 7 .419096] Backtrace: 73.616634] Code: 00000000 c<400>4 74.423898] [] (execute_location) from [] (lkdtm_EXEC_STACK+0x38/0x54) 3900 c40439c0 c<400>4[3 a 8 07 4(434935] r7:c5ad1f60 r6:0000000b r5:c5af3000 r4:c5ad0000 e1a0c00d) # [ 73.623025] -<-0>[ 74.442863] [] (lkdtm_EXEC_STACK) from [] (lkdtm_do_action+0x2c/0x4c) [ end trace 6c<601>b[7 a 5 17d4f.453979] r4:00000020 f463 ]--- # EXEC_DATA:< 0m>i[s s 74.458776] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) ing 'call trace:': [FAIL] not ok<0>[ 74.469390] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) 30 selftests: lkdtm<:0 >E[X E C 74.480423] r9:c5ad1f60 r8:c30239c0 r7:0000000b r6:b6e67000 r5:c6908140 r4:c0c592dc DATA.sh # exit=1 # selftests:< 0>[ 74.490690] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) kdtm: EXEC_STACK.sh < 0>[ 74.501463] r9:c07e2978 r8:c5ad1f60 r7:c290d000 r6:b6e67000 r5:c6908140 r4:00000000 <0>[ 74.511290] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 74.518699] r10:00000004 r9:00000000 r8:00000000 r7:b6e67000 r6:c5ad0000 r5:c6908140 <0>[ 74.526797] r4:c6908140 <0>[ 74.529605] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 74.537015] r9:c5ad0000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000000b r4:0000000b <0>[ 74.545037] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 74.552875] Exception stack(0xc5ad1fa8 to 0xc5ad1ff0) <0>[ 74.558200] 1fa0: 0000000b 0000000b 00000001 b6e67000 0000000b 00000001 <0>[ 74.566651] 1fc0: 0000000b 0000000b 7ff00000 00000004 00000001 b6e67000 00020000 004dfe38 <0>[ 74.575097] 1fe0: 00000004 bef4d7e8 b6f2d33b b6ea6616 <0>[ 74.580425] Code: c5ad1e08 c13974e4 c13972a4 c5ad1e6c (e1a0c00d) <4>[ 74.586795] ---[ end trace 6c61b7a51df8f464 ]--- # Segmentation fault # [ 74.040105] lkdtm: Performing direct entry EXEC_STACK # [ 74.047208] lkdtm: attempting ok execution at c0c59c6c # [ 74.055263] lkdtm: attempting bad execution at c5ad1e0c # [ 74.063625] 8<--- cut here --- # [ 74.069737] Unable to handle kernel paging request at virtual address c5ad1e0c # [ 74.079217] pgd = 3112aefe # [ 74.084095] [c5ad1e0c] *pgd=15a1141e(bad) # [ 74.090974] Internal error: Oops: 8000000d [#4] SMP ARM # [ 74.098628] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore imx_ldb dw_hdmi_imx dw_hdmi parallel_display flexcan can_dev imxdrm caam error etnaviv gpu_sched imx_ipu_v3 # [ 74.133634] CPU: 3 PID: 1834 Comm: cat Tainted: G D W 5.10.217-cip47 #1 # [ 74.144146] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 74.152937] PC is at 0xc5ad1e0c # [ 74.158682] LR is at execute_location+0xa4/0xb4 # [ 74.165897] pc : [] lr : [] psr: 60080013 # [ 74.174333] sp : c5ad1de8 ip : c5ad1cf0 fp : c5ad1e04 # [ 74.181641] r10: 0000000b r9 : c1ad2ce0 r8 : c15ec020 # [ 74.189036] r7 : c5ad1f60 r6 : 00000001 r5 : c5ad1e0c r4 : c0c59c6c # [ 74.197819] r3 : 754fde4c r2 : 754fde4c r1 : ef7c05e0 r0 : 0000002b # [ 74.206518] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 74.215909] Control: 10c5387d Table: 169d004a DAC: 00000051 # [ 74.223911] Process cat (pid: 1834, stack limit = 0x1559d8f6) # [ 74.231826] Stack: (0xc5ad1de8 to 0xc5ad2000) # [ 74.238358] 1de0: c5ad0000 c5af3000 0000000b c5ad1f60 c5ad1e64 c5ad1e08 # [ 74.249138] 1e00: c13974e4 c13972a4 c5ad1e6c e1a0c00d e92dd800 e24cb004 e52de004 e8bd4000 # [ 74.259831] 1e20: e89da800 e1a0c00d e92dd830 e24cb004 e52de004 e8bd4000 e3033370 e34c31b8 # [ 74.270436] 1e40: e3a02040 e3a01d33 e5930018 754fde4c 0000000b 00000020 c5ad1e74 c5ad1e68 # [ 74.281042] 1e60: c0c58efc c13974b8 c5ad1e9c c5ad1e78 c0c593fc c0c58edc c0c592dc c6908140 # [ 74.291650] 1e80: b6e67000 0000000b c30239c0 c5ad1f60 c5ad1ec4 c5ad1ea0 c07e29dc c0c592e8 # [ 74.302342] 1ea0: 00000000 c6908140 b6e67000 c290d000 c5ad1f60 c07e2978 c5ad1f5c c5ad1ec8 # [ 74.312951] 1ec0: c059c404 c07e2984 00000001 00000000 c059c9b0 c13ac870 c059c9b0 c5ad0000 # [ 74.323642] 1ee0: b6e67000 00020000 00000004 0000000b 0001fff5 c5ad1ee0 00000001 b6e66000 # [ 74.334162] 1f00: c6d91cc0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 74.344771] 1f20: 00000000 00000000 c13ac870 754fde4c c206b700 c6908140 c6908140 c5ad0000 # [ 74.355376] 1f40: b6e67000 00000000 00000000 00000004 c5ad1f94 c5ad1f60 c059c9b0 c059c304 # [ 74.365984] 1f60: 00000000 00000000 c5ad1fac 754fde4c 0000000b 0000000b 7ff00000 00000004 # [ 74.376678] 1f80: c03002e4 c5ad0000 c5ad1fa4 c5ad1f98 c059ca40 c059c948 00000000 c5ad1fa8 # [ 74.387369] 1fa0: c03000c0 c059ca34 0000000b 0000000b 00000001 b6e67000 0000000b 00000001 # [ 74.397890] 1fc0: 0000000b 0000000b 7ff00000 00000004 00000001 b6e67000 00020000 004dfe38 # [ 74.408410] 1fe0: 00000004 bef4d7e8 b6f2d33b b6ea6616 60080030 00000001 00000000 00000000 # [ 74.419096] Backtrace: # [ 74.423898] [] (execute_location) from [] (lkdtm_EXEC_STACK+0x38/0x54) # [ 74.434935] r7:c5ad1f60 r6:0000000b r5:c5af3000 r4:c5ad0000 # [ 74.442863] [] (lkdtm_EXEC_STACK) from [] (lkdtm_do_action+0x2c/0x4c) # [ 74.453979] r4:00000020 # [ 74.458776] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 74.469390] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 74.480423] r9:c5ad1f60 r8:c30239c0 r7:0000000b r6:b6e67000 r5:c6908140 r4:c0c592dc # [ 74.490690] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 74.501463] r9:c07e2978 r8:c5ad1f60 r7:c290d000 r6:b6e67000 r5:c6908140 r4:00000000 # [ 74.511290] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 74.518699] r10:00000004 r9:00000000 r<6>[ 92.146877] lkdtm: Performing direct entry EXEC_KMALLOC 8:00000000 r7:b6e67000 r6:c5ad000<6>[ 92.154838] lkdtm: attempting ok execution at c0c59c6c 0 r5:c6908140 # [ 74.526797] <6>[ 92.163111] lkdtm: attempting bad execution at c473e440 r4:c6908140 # [ 74.529605] [[ 92.171400] 8<--- cut here --- 059c93c>] (ksys<_1w>r[i t e )9 2f177533] Unable to handle kernel paging request at virtual address c473e440 rom [1]> [( s y s9_2w.187013] pgd = 11d6fd28 ite+0x18/0x1c) # [ 74.53<710>1 92.191975] [c473e440] *pgd=1461141e(bad) 5] r9:c5ad0000 r<80:>c[0 3 0 092.198766] Internal error: Oops: 8000000d [#5] SMP ARM e4 r7:00000004 r6:7ff00000 r5:000<4>[ 92.206330] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore imx_ldb dw_hdmi_imx dw_hdmi parallel_display flexcan can_dev imxdrm caam error etnaviv gpu_sched imx_ipu_v3 0000b r4:0000000b # [ < 4 >7[4 . 92.241334] CPU: 3 PID: 1914 Comm: cat Tainted: G D W 5.10.217-cip47 #1 545037] [c[a 2 8 >9]2 .2(1672] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) sys_write) from [0[0 0 c 02.260286] PC is at 0xc473e440 >] (ret_fast_syscall+<04x>0[/ 0 x92.265858] LR is at execute_location+0xa4/0xb4 28) # [ <4 >7[4 . 5 59228.7257]898] pc : [] lr : [] psr: 60080013 Exception sc[k ( 0 x9c25.2a1161] sp : c6ba1e30 ip : c6ba1d38 fp : c6ba1e4c d1fa8 to 0xc51[f f 0 )9 2 .#88468] r10: 0000000d r9 : c1ad2cec r8 : c15ec020 [ 74.55<842>0[0 ] 19f2a.02:95860] r7 : c6ba1f60 r6 : 00000001 r5 : c473e440 r4 : c0c59c6c < 4 > [ 920.03004470] r3 : 1bd7c951 r2 : 1bd7c951 r1 : ef7c05e0 r0 : 0000002b 000b 0000000b <040>0[0 0 0 0912 .313080] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none 6e67000 00<040>0[0 0 b 9020.03022468] Control: 10c5387d Table: 15f6804a DAC: 00000051 001 # [ 74<.0>5[6 6 6 5912]. 330297] Process cat (pid: 1914, stack limit = 0x1f4df873) fc0: 00000000[0 0 0 09020.b338210] Stack: (0xc6ba1e30 to 0xc6ba2000) 7ff00000 00000004< 00>0[0 0 0 090.344739] 1e20: c473e440 c5af3000 0000000d c6ba1f60 1 b6e67000 00020<000>0[ 0 0 49d2.355258] 1e40: c6ba1e64 c6ba1e50 c0c59cbc c13972a4 00000021 c5af3000 c6ba1e74 c6ba1e68 e38 # [ 74.<05>7[5 0 9 79]2 .165776] 1e60: c0c58efc c0c59c90 c6ba1e9c c6ba1e78 c0c593fc c0c58edc c0c592dc c68d0000 fe0: 00000004 bef4e[8 b 692.376123] 1e80: b6e8c000 0000000d c30239c0 c6ba1f60 c6ba1ec4 c6ba1ea0 c07e29dc c0c592e8 2d33b b6ea6616 #< 0[> [ 7 49..386728] 1ea0: 00000000 c68d0000 b6e8c000 c290d000 c6ba1f60 c07e2978 c6ba1f5c c6ba1ec8 580425] Code: c51[e 0 8 9c2.397246] 1ec0: c059c404 c07e2984 00000001 00000000 c059c9b0 c13ac870 c059c9b0 c6ba0000 3974e4 c13972 [c 5 a d912e.607765] 1ee0: b6e8c000 00020000 00000004 0000000d 0001fff3 c6ba1ee0 00000001 b6e8b000 c (e1a0c00d) <#0 >[[ 9724.418110] 1f00: c6a50b40 00000000 00000000 00000000 00000000 00000000 00000000 00000000 586795] ---[ d[ t r a9c2e. 28542] 1f20: 00000000 00000000 c13ac870 1bd7c951 c206b700 c68d0000 c68d0000 c6ba0000 6c61b7a51df8f464< 0]>-[- - 9#2.438889] 1f40: b6e8c000 00000000 00000000 00000004 c6ba1f94 c6ba1f60 c059c9b0 c059c304 EXEC_STACK: mii[n g '9c2a.449408] 1f60: 00000000 00000000 c6ba1fac 1bd7c951 0000000d 0000000d 7ff00000 00000004 l trace:': [FA][ n o9t2 .459838] 1f80: c03002e4 c6ba0000 c6ba1fa4 c6ba1f98 c059ca40 c059c948 00000000 c6ba1fa8 k 31 selftests<:0 >l[k d t m9:2 .470270] 1fa0: c03000c0 c059ca34 0000000d 0000000d 00000001 b6e8c000 0000000d 00000001 XEC_STACK.sh # i[t = 1 9 2#480703] 1fc0: 0000000d 0000000d 7ff00000 00000004 00000001 b6e8c000 00020000 0042fe38 selftests: lkm[: E X9E2C.491135] 1fe0: 00000004 be8c57e8 b6f5233b b6ecb616 60080030 00000001 00000000 00000000 KMALLOC.sh <0>[ 92.501561] Backtrace: <0>[ 92.505323] [] (execute_location) from [] (lkdtm_EXEC_KMALLOC+0x38/0x44) <0>[ 92.514032] r7:c6ba1f60 r6:0000000d r5:c5af3000 r4:c473e440 <0>[ 92.519965] [] (lkdtm_EXEC_KMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 92.528582] r5:c5af3000 r4:00000021 <0>[ 92.532431] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 92.540714] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 92.548902] r9:c6ba1f60 r8:c30239c0 r7:0000000d r6:b6e8c000 r5:c68d0000 r4:c0c592dc <0>[ 92.556922] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 92.565024] r9:c07e2978 r8:c6ba1f60 r7:c290d000 r6:b6e8c000 r5:c68d0000 r4:00000000 <0>[ 92.573037] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 92.580441] r10:00000004 r9:00000000 r8:00000000 r7:b6e8c000 r6:c6ba0000 r5:c68d0000 <0>[ 92.588535] r4:c68d0000 <0>[ 92.591340] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 92.598746] r9:c6ba0000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000000d r4:0000000d <0>[ 92.606761] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 92.614596] Exception stack(0xc6ba1fa8 to 0xc6ba1ff0) <0>[ 92.619915] 1fa0: 0000000d 0000000d 00000001 b6e8c000 0000000d 00000001 <0>[ 92.628361] 1fc0: 0000000d 0000000d 7ff00000 00000004 00000001 b6e8c000 00020000 0042fe38 <0>[ 92.636804] 1fe0: 00000004 be8c57e8 b6f5233b b6ecb616 <0>[ 92.642127] Code: c473e42c c473e434 c473e434 00000000 (e1a0c00d) <4>[ 92.648493] ---[ end trace 6c61b7a51df8f465 ]--- # Segmentation fault # [ 92.146877] lkdtm: Performing direct entry EXEC_KMALLOC # [ 92.154838] lkdtm: attempting ok execution at c0c59c6c # [ 92.163111] lkdtm: attempting bad execution at c473e440 # [ 92.171400] 8<--- cut here --- # [ 92.177533] Unable to handle kernel paging request at virtual address c473e440 # [ 92.187013] pgd = 11d6fd28 # [ 92.191975] [c473e440] *pgd=1461141e(bad) # [ 92.198766] Internal error: Oops: 8000000d [#5] SMP ARM # [ 92.206330] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore imx_ldb dw_hdmi_imx dw_hdmi parallel_display flexcan can_dev imxdrm caam error etnaviv gpu_sched imx_ipu_v3 # [ 92.241334] CPU: 3 PID: 1914 Comm: cat Tainted: G D W 5.10.217-cip47 #1 # [ 92.251672] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 92.260286] PC is at 0xc473e440 # [ 92.265858] LR is at execute_location+0xa4/0xb4 # [ 92.272898] pc : [] lr : [] psr: 60080013 # [ 92.281161] sp : c6ba1e30 ip : c6ba1d38 fp : c6ba1e4c # [ 92.288468] r10: 0000000d r9 : c1ad2cec r8 : c15ec020 # [ 92.295860] r7 : c6ba1f60 r6 : 00000001 r5 : c473e440 r4 : c0c59c6c # [ 92.304470] r3 : 1bd7c951 r2 : 1bd7c951 r1 : ef7c05e0 r0 : 0000002b # [ 92.313080] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 92.322468] Control: 10c5387d Table: 15f6804a DAC: 00000051 # [ 92.330297] Process cat (pid: 1914, stack limit = 0x1f4df873) # [ 92.338210] Stack: (0xc6ba1e30 to 0xc6ba2000) # [ 92.344739] 1e20: c473e440 c5af3000 0000000d c6ba1f60 # [ 92.355258] 1e40: c6ba1e64 c6ba1e50 c0c59cbc c13972a4 00000021 c5af3000 c6ba1e74 c6ba1e68 # [ 92.365776] 1e60: c0c58efc c0c59c90 c6ba1e9c c6ba1e78 c0c593fc c0c58edc c0c592dc c68d0000 # [ 92.376123] 1e80: b6e8c000 0000000d c30239c0 c6ba1f60 c6ba1ec4 c6ba1ea0 c07e29dc c0c592e8 # [ 92.386728] 1ea0: 00000000 c68d0000 b6e8c000 c290d000 c6ba1f60 c07e2978 c6ba1f5c c6ba1ec8 # [ 92.397246] 1ec0: c059c404 c07e2984 00000001 00000000 c059c9b0 c13ac870 c059c9b0 c6ba0000 # [ 92.407765] 1ee0: b6e8c000 00020000 00000004 0000000d 0001fff3 c6ba1ee0 00000001 b6e8b000 # [ 92.418110] 1f00: c6a50b40 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 92.428542] 1f20: 00000000 00000000 c13ac870 1bd7c951 c206b700 c68d0000 c68d0000 c6ba0000 # [ 92.438889] 1f40: b6e8c000 00000000 00000000 00000004 c6ba1f94 c6ba1f60 c059c9b0 c059c304 # [ 92.449408] 1f60: 00000000 00000000 c6ba1fac 1bd7c951 0000000d 0000000d 7ff00000 00000004 # [ 92.459838] 1f80: c03002e4 c6ba0000 c6ba1fa4 c6ba1f98 c059ca40 c059c948 00000000 c6ba1fa8 # [ 92.470270] 1fa0: c03000c0 c059ca34 0000000d 0000000d 00000001 b6e8c000 0000000d 00000001 # [ 92.480703] 1fc0: 0000000d 0000000d 7ff00000 00000004 00000001 b6e8c000 00020000 0042fe38 # [ 92.491135] 1fe0: 00000004 be8c57e8 b6f5233b b6ecb616 60080030 00000001 00000000 00000000 # [ 92.501561] Backtrace: # [ 92.505323] [] (execute_location) from [] (lkdtm_EXEC_KMALLOC+0x38/0x44) # [ 92.514032] r7:c6ba1f60 r6:0000000d r5:c5af3000 r4:c473e440 # [ 92.519965] [] (lkdtm_EXEC_KMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) # [ 92.528582] r5:c5af3000 r4:00000021 # [ 92.532431] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 92.540714] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 92.548902] r9:c6ba1f60 r8:c30239c0 r7:0000000d r6:b6e8c000 r5:c68d0000 r4:c0c592dc # [ 92.556922] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 92.565024] r9:c07e2978 r8:c6ba1f60 r7:c290d000 r6:b6e8c000 r5:c68d0000 r4:00000000 # [ 92.573037] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 92.580441] r10:00000004 r9:00000000 r8:00000000 r7:b6e8c000 r6:c6<6>[ 93.076947] lkdtm: Performing direct entry EXEC_VMALLOC ba0000 r5:c68d0000 # [ 92.5885<6>[ 93.082805] lkdtm: attempting ok execution at c0c59c6c 35] r4:c68d0000 # [ 92.591340<6>[ 93.091024] lkdtm: attempting bad execution at f0975000 ] [] (ksys_write) from <1>[ 93.099295] 8<--- cut here --- [] (sys_write+0x18/0x1c<1>[ 93.105510] Unable to handle kernel paging request at virtual address f0975000 ) # [ 92.598746] r9:c6ba0000 <1>[ 93.115982] pgd = 48a2476e r8:c03002e4 r7:00000004 r6:7ff000<1>[ 93.121674] [f0975000] *pgd=12956811, *pte=495af65f, *ppte=495af45f 00 r5:0000000d r4:0000000d # [ <0>[ 93.131076] Internal error: Oops: 8000000f [#6] SMP ARM 92.606761] [] (sys_wri<4>[ 93.139375] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore imx_ldb dw_hdmi_imx dw_hdmi parallel_display flexcan can_dev imxdrm caam error etnaviv gpu_sched imx_ipu_v3 te) from []< 4(>r[e t _93.174381] CPU: 2 PID: 1992 Comm: cat Tainted: G D W 5.10.217-cip47 #1 fast_sysca+[0 x 09/30.x1288633] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) ) # [ 92.614596<]4 >E[x c e p93.193162] PC is at 0xf0975000 ion stack(0xc6ba1fa8 to< 40>x[c 6 93.198736] LR is at execute_location+0xa4/0xb4 ba1ff0) #< 4[> [ 9 29.36.12905863] pc : [] lr : [] psr: 60080013 15] 1fa0:< 4 > [ 9 3 . 2 1 4210] sp : c6a6de30 ip : 00000027 fp : c6a6de4c 000<040>0[0 d 09030.02021431] r10: 0000000d r9 : c1ad2cfc r8 : c15ec020 0d 00000001 e[8 c 0 0903 .0228738] r7 : c6a6df60 r6 : 00000001 r5 : f0975000 r4 : c0c59c6c 00000d 0000<40>0[0 1 9#3 .[2 37432] r3 : 2c54b47e r2 : 2c54b47e r1 : ef7ab5e4 r0 : 0000002b 92.628361] 1f:[ 0 0 0930.046043] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none 00d 0000000d< 47>f[f 0 0 09030. 255346] Control: 10c5387d Table: 16d7004a DAC: 00000051 0000004 00000<000>1[ b 6 e983c.063262] Process cat (pid: 1992, stack limit = 0xdfeafab6) 00 00020000 <000>4[2 f e9338. 2 1177] Stack: (0xc6a6de30 to 0xc6a6e000) # [ 92.636804]< 01>f[e 0 : 903.277617] de20: f0975000 c6c0a000 0000000d c6a6df60 000004 be8c57e<80 >b[6 f 5 29333.288136] de40: c6a6de64 c6a6de50 c0c59cf0 c13972a4 00000022 c6c0a000 c6a6de74 c6a6de68 b6ecb616 # [ 9<20.>6[4 2 1 293.298570] de60: c0c58efc c0c59cd4 c6a6de9c c6a6de78 c0c593fc c0c58edc c0c592dc c6908640 ] Code: c473e42c< 0c>4[7 3 e 4933.309174] de80: b6e1e000 0000000d c30239c0 c6a6df60 c6a6dec4 c6a6dea0 c07e29dc c0c592e8 c473e434 00000000 <(0e>1[ a 0 c93.319694] dea0: 00000000 c6908640 b6e1e000 c290d000 c6a6df60 c07e2978 c6a6df5c c6a6dec8 0d) # [ 92.6484<903>][ - - -3.330299] dec0: c059c404 c07e2984 00000001 00000000 c059c9b0 c13ac870 c059c9b0 c6a6c000 [ end trace 6c61a[5 1 d f983.340902] dee0: b6e1e000 00020000 00000004 0000000d 0001fff3 c6a6dee0 00000001 b6e1d000 465 ]--- # EXEK[M A L L9O3C351420] df00: c5aab900 00000000 00000000 00000000 00000000 00000000 00000000 00000000 : missing 'call< 0t>r[a c e :9'3:361852] df20: 00000000 00000000 c13ac870 2c54b47e c206b700 c6908640 c6908640 c6a6c000 [FAIL] not ok 3<20 >s[e l f t9e.372284] df40: b6e1e000 00000000 00000000 00000004 c6a6df94 c6a6df60 c059c9b0 c059c304 sts: lkdtm: EXEC_KL[L O C .93.382803] df60: 00000000 00000000 c6a6dfac 2c54b47e 0000000d 0000000d 7ff00000 00000004 h # exit=1 # set[e s t s9:3.393406] df80: c03002e4 c6a6c000 c6a6dfa4 c6a6df98 c059ca40 c059c948 00000000 c6a6dfa8 lkdtm: EXEC_VML[O C . s9h3 .403924] dfa0: c03000c0 c059ca34 0000000d 0000000d 00000001 b6e1e000 0000000d 00000001 <0>[ 93.414358] dfc0: 0000000d 0000000d 7ff00000 00000004 00000001 b6e1e000 00020000 004efe38 <0>[ 93.422803] dfe0: 00000004 bedef7e8 b6ee433b b6e5d616 60080030 00000001 00000000 00000000 <0>[ 93.431244] Backtrace: <0>[ 93.433974] [] (execute_location) from [] (lkdtm_EXEC_VMALLOC+0x28/0x34) <0>[ 93.442683] r7:c6a6df60 r6:0000000d r5:c6c0a000 r4:f0975000 <0>[ 93.448614] [] (lkdtm_EXEC_VMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 93.457232] r5:c6c0a000 r4:00000022 <0>[ 93.461079] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 93.469361] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 93.477548] r9:c6a6df60 r8:c30239c0 r7:0000000d r6:b6e1e000 r5:c6908640 r4:c0c592dc <0>[ 93.485567] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 93.493666] r9:c07e2978 r8:c6a6df60 r7:c290d000 r6:b6e1e000 r5:c6908640 r4:00000000 <0>[ 93.501679] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 93.509083] r10:00000004 r9:00000000 r8:00000000 r7:b6e1e000 r6:c6a6c000 r5:c6908640 <0>[ 93.517177] r4:c6908640 <0>[ 93.519983] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 93.527388] r9:c6a6c000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000000d r4:0000000d <0>[ 93.535402] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 93.543238] Exception stack(0xc6a6dfa8 to 0xc6a6dff0) <0>[ 93.548560] dfa0: 0000000d 0000000d 00000001 b6e1e000 0000000d 00000001 <0>[ 93.557007] dfc0: 0000000d 0000000d 7ff00000 00000004 00000001 b6e1e000 00020000 004efe38 <0>[ 93.565451] dfe0: 00000004 bedef7e8 b6ee433b b6e5d616 <0>[ 93.570777] Code: bad PC value <4>[ 93.574174] ---[ end trace 6c61b7a51df8f466 ]--- # Segmentation fault # [ 93.076947] lkdtm: Performing direct entry EXEC_VMALLOC # [ 93.082805] lkdtm: attempting ok execution at c0c59c6c # [ 93.091024] lkdtm: attempting bad execution at f0975000 # [ 93.099295] 8<--- cut here --- # [ 93.105510] Unable to handle kernel paging request at virtual address f0975000 # [ 93.115982] pgd = 48a2476e # [ 93.121674] [f0975000] *pgd=12956811, *pte=495af65f, *ppte=495af45f # [ 93.131076] Internal error: Oops: 8000000f [#6] SMP ARM # [ 93.139375] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore imx_ldb dw_hdmi_imx dw_hdmi parallel_display flexcan can_dev imxdrm caam error etnaviv gpu_sched imx_ipu_v3 # [ 93.174381] CPU: 2 PID: 1992 Comm: cat Tainted: G D W 5.10.217-cip47 #1 # [ 93.184633] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 93.193162] PC is at 0xf0975000 # [ 93.198736] LR is at execute_location+0xa4/0xb4 # [ 93.205863] pc : [] lr : [] psr: 60080013 # [ 93.214210] sp : c6a6de30 ip : 00000027 fp : c6a6de4c # [ 93.221431] r10: 0000000d r9 : c1ad2cfc r8 : c15ec020 # [ 93.228738] r7 : c6a6df60 r6 : 00000001 r5 : f0975000 r4 : c0c59c6c # [ 93.237432] r3 : 2c54b47e r2 : 2c54b47e r1 : ef7ab5e4 r0 : 0000002b # [ 93.246043] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 93.255346] Control: 10c5387d Table: 16d7004a DAC: 00000051 # [ 93.263262] Process cat (pid: 1992, stack limit = 0xdfeafab6) # [ 93.271177] Stack: (0xc6a6de30 to 0xc6a6e000) # [ 93.277617] de20: f0975000 c6c0a000 0000000d c6a6df60 # [ 93.288136] de40: c6a6de64 c6a6de50 c0c59cf0 c13972a4 00000022 c6c0a000 c6a6de74 c6a6de68 # [ 93.298570] de60: c0c58efc c0c59cd4 c6a6de9c c6a6de78 c0c593fc c0c58edc c0c592dc c6908640 # [ 93.309174] de80: b6e1e000 0000000d c30239c0 c6a6df60 c6a6dec4 c6a6dea0 c07e29dc c0c592e8 # [ 93.319694] dea0: 00000000 c6908640 b6e1e000 c290d000 c6a6df60 c07e2978 c6a6df5c c6a6dec8 # [ 93.330299] dec0: c059c404 c07e2984 00000001 00000000 c059c9b0 c13ac870 c059c9b0 c6a6c000 # [ 93.340902] dee0: b6e1e000 00020000 00000004 0000000d 0001fff3 c6a6dee0 00000001 b6e1d000 # [ 93.351420] df00: c5aab900 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 93.361852] df20: 00000000 00000000 c13ac870 2c54b47e c206b700 c6908640 c6908640 c6a6c000 # [ 93.372284] df40: b6e1e000 00000000 00000000 00000004 c6a6df94 c6a6df60 c059c9b0 c059c304 # [ 93.382803] df60: 00000000 00000000 c6a6dfac 2c54b47e 0000000d 0000000d 7ff00000 00000004 # [ 93.393406] df80: c03002e4 c6a6c000 c6a6dfa4 c6a6df98 c059ca40 c059c948 00000000 c6a6dfa8 # [ 93.403924] dfa0: c03000c0 c059ca34 0000000d 0000000d 00000001 b6e1e000 0000000d 00000001 # [ 93.414358] dfc0: 0000000d 0000000d 7ff00000 00000004 00000001 b6e1e000 00020000 004efe38 # [ 93.422803] dfe0: 00000004 bedef7e8 b6ee433b b6e5d616 60080030 00000001 00000000 00000000 # [ 93.431244] Backtrace: # [ 93.433974] [] (execute_location) from [] (lkdtm_EXEC_VMALLOC+0x28/0x34) # [ 93.442683] r7:c6a6df60 r6:0000000d r5:c6c0a000 r4:f0975000 # [ 93.448614] [] (lkdtm_EXEC_VMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) # [ 93.457232] r5:c6c0a000 r4:00000022 # [ 93.461079] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 93.469361] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 93.477548] r9:c6a6df60 r8:c30239c0 r7:0000000d r6:b6e1e000 r5:c6908640 r4:c0c592dc <6>[ 94.006827] lkdtm: Performing direct entry EXEC_RODATA # [ 93.485567] [] (fu<6>[ 94.014864] lkdtm: attempting ok execution at c0c59c6c ll_proxy_write) from []<6>[ 94.023104] lkdtm: attempting bad execution at c15ec2bc (vfs_write+0x10c/0x53c) # [ 9<1>[ 94.031453] 8<--- cut here --- 3.493666] r9<:1c>0[7 e 2 99748. 37590] Unable to handle kernel paging request at virtual address c15ec2bc r8:c6a6df60 r7:9[0 d 0 0904 046986] pgd = 11d6fd28 r6:b6e1e000 r5:c6908640 r<41:>0[0 94.051947] [c15ec2bc] *pgd=1141941e(bad) 000000 # [ 93.501<607>9[] [ 94.058653] Internal error: Oops: 8000000d [#7] SMP ARM c059c2f8>] (vfs_write) from [[ 94.066391] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore imx_ldb dw_hdmi_imx dw_hdmi parallel_display flexcan can_dev imxdrm caam error etnaviv gpu_sched imx_ipu_v3 9c9b0>] (ksys_write+04[/ 0 x94.101393] CPU: 2 PID: 2071 Comm: cat Tainted: G D W 5.10.217-cip47 #1 ec) # [ < 49>3[. 5 0 9940.8131]645] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) r10:00000004 r9:00000000 r8:<04>[ 94.120182] PC is at lkdtm_rodata_do_nothing+0x0/0x10 000000 r7:b6e1e0<040> [r 6 : c964.128175] LR is at execute_location+0xa4/0xb4 6c000 r5:c6<940>8[6 4 0 9 4#. 1[5045] pc : [] lr : [] psr: 60080013 93.51<741>7[7 ] 9 4r.41:4c3691] sp : c46cde38 ip : c46cdd40 fp : c46cde54 908640 # <[4 > [ 9 3 .9541.91950526] r10: 0000000c r9 : c1ad2d0c r8 : c15ec020 3] [c[> ] (9k4s.y1s57833] r7 : c46cdf60 r6 : 00000000 r5 : c15ec2bc r4 : c0c59c6c write) from< 4[>[< c 0 5994c.a1466443] r3 : caf43365 r2 : caf43365 r1 : ef7ab5e0 r0 : 0000002b >] (sys_write<+40>x[1 8 / 09x41.c75054] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none ) # [ <943>.[5 2 7 39848.]1 8 357] Control: 10c5387d Table: 15f6804a DAC: 00000051 r9:c6a6c000< 0r>8[: c 0 39040.21e2098] Process cat (pid: 2071, stack limit = 0x971c8b13) 4 r7:0000000<40 >r[6 : 7 f9f40.109926] Stack: (0xc46cde38 to 0xc46ce000) 000 r5:0000000d< 0r>4[: 0 0 09040206367] de20: 00000023 c6c00000 00d # [ 93.535<400>2[] [ <9c.216801] de40: 0000000c c46cdf60 c46cde64 c46cde58 c1397524 c13972a4 c46cde74 c46cde68 059ca28>] (sys_wt[e ) f9r4.227321] de60: c0c58efc c139750c c46cde9c c46cde78 c0c593fc c0c58edc c0c592dc c6a51a40 m [] (r_[f a s9t4.237838] de80: b6dd7000 0000000c c30239c0 c46cdf60 c46cdec4 c46cdea0 c07e29dc c0c592e8 syscall+0x0/0x28)< 0 >#[ [ 9 .248357] dea0: 00000000 c6a51a40 b6dd7000 c290d000 c46cdf60 c07e2978 c46cdf5c c46cdec8 93.543238] Excei[o n s9t4a258876] dec0: c059c404 c07e2984 00000001 00000000 c059c9b0 c13ac870 c059c9b0 c46cc000 ck(0xc6a6dfa8 [0 x c 69a46.269308] dee0: b6dd7000 00020000 00000004 0000000c 0001fff4 c46cdee0 00000001 b6dd6000 ff0) # [ 9<30.>5[4 8 5 9640.]279738] df00: c5991a40 00000000 00000000 00000000 00000000 00000000 00000000 00000000 dfa0: < 0 > [ 9 4.290085] df20: 00000000 00000000 c13ac870 caf43365 c206b700 c6a51a40 c6a51a40 c46cc000 0000000[0 0 0 0904d. 30000003] df40: b6dd7000 00000000 00000000 00000004 c46cdf94 c46cdf60 c059c9b0 c059c304 00001 b6e1e000 0<000>0[0 0 0 d9 4.310694] df60: 00000000 00000000 c46cdfac caf43365 0000000c 0000000c 7ff00000 00000004 0000001 # [ <903>.[5 5 7 09047321212] df80: c03002e4 c46cc000 c46cdfa4 c46cdf98 c059ca40 c059c948 00000000 c46cdfa8 ] dfc0: 000000<00d> [0 0 0 09040.331644] dfa0: c03000c0 c059ca34 0000000c 0000000c 00000001 b6dd7000 0000000c 00000001 d 7ff00000 0000<000>0[4 0 09040342076] dfc0: 0000000c 0000000c 7ff00000 00000004 00000001 b6dd7000 00020000 0048fe38 0001 b6e1e000< 00>0[0 2 0 09040. 52508] dfe0: 00000004 be86e7e8 b6e9d33b b6e16616 60080030 00000001 00000000 00000000 004efe38 # [ < 0 >9[3 . 5 69544.362848] Backtrace: 1] dfe0: 00000004 bedee[8 94.367561] [] (execute_location) from [] (lkdtm_EXEC_RODATA+0x24/0x28) 6ee433b b6e5d616 < 0#> [[ 99.378513] r7:c46cdf60 r6:0000000c r5:c6c00000 r4:00000023 3.570777] Code: bad PC val [ 94.386520] [] (lkdtm_EXEC_RODATA) from [] (lkdtm_do_action+0x2c/0x4c) # [ 93.574174] -<-0->[[ e n d94.397555] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) trace 6c61b7a51df8f466 ]---< 0 ># 94.407993] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) EXEC_VMALLOC: ms[i n g 9'4.418677] r9:c46cdf60 r8:c30239c0 r7:0000000c r6:b6dd7000 r5:c6a51a40 r4:c0c592dc all trace:': [FAIL] not< 0o>k[ 94.428768] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) 3 selftests: lkd:[ E X E9C4.439283] r9:c07e2978 r8:c46cdf60 r7:c290d000 r6:b6dd7000 r5:c6a51a40 r4:00000000 VMALLOC.sh # exit=1 #< 0s>e[l f 94.449370] [] (vfs_write) from [] (ksys_write+0x74/0xec) ests: lkdtm: EXER[O D A T9A4.459106] r10:00000004 r9:00000000 r8:00000000 r7:b6dd7000 r6:c46cc000 r5:c6a51a40 sh <0>[ 94.469273] r4:c6a51a40 <0>[ 94.472421] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 94.479829] r9:c46cc000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000000c r4:0000000c <0>[ 94.487845] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 94.495680] Exception stack(0xc46cdfa8 to 0xc46cdff0) <0>[ 94.501000] dfa0: 0000000c 0000000c 00000001 b6dd7000 0000000c 00000001 <0>[ 94.509448] dfc0: 0000000c 0000000c 7ff00000 00000004 00000001 b6dd7000 00020000 0048fe38 <0>[ 94.517891] dfe0: 00000004 be86e7e8 b6e9d33b b6e16616 <0>[ 94.523214] Code: 5f727563 6e756f63 00000074 aa55aa55 (e1a0c00d) <4>[ 94.529580] ---[ end trace 6c61b7a51df8f467 ]--- # Segmentation fault # [ 94.006827] lkdtm: Performing direct entry EXEC_RODATA # [ 94.014864] lkdtm: attempting ok execution at c0c59c6c # [ 94.023104] lkdtm: attempting bad execution at c15ec2bc # [ 94.031453] 8<--- cut here --- # [ 94.037590] Unable to handle kernel paging request at virtual address c15ec2bc # [ 94.046986] pgd = 11d6fd28 # [ 94.051947] [c15ec2bc] *pgd=1141941e(bad) # [ 94.058653] Internal error: Oops: 8000000d [#7] SMP ARM # [ 94.066391] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore imx_ldb dw_hdmi_imx dw_hdmi parallel_display flexcan can_dev imxdrm caam error etnaviv gpu_sched imx_ipu_v3 # [ 94.101393] CPU: 2 PID: 2071 Comm: cat Tainted: G D W 5.10.217-cip47 #1 # [ 94.111645] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 94.120182] PC is at lkdtm_rodata_do_nothing+0x0/0x10 # [ 94.128175] LR is at execute_location+0xa4/0xb4 # [ 94.135045] pc : [] lr : [] psr: 60080013 # [ 94.143391] sp : c46cde38 ip : c46cdd40 fp : c46cde54 # [ 94.150526] r10: 0000000c r9 : c1ad2d0c r8 : c15ec020 # [ 94.157833] r7 : c46cdf60 r6 : 00000000 r5 : c15ec2bc r4 : c0c59c6c # [ 94.166443] r3 : caf43365 r2 : caf43365 r1 : ef7ab5e0 r0 : 0000002b # [ 94.175054] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 94.184357] Control: 10c5387d Table: 15f6804a DAC: 00000051 # [ 94.192098] Process cat (pid: 2071, stack limit = 0x971c8b13) # [ 94.199926] Stack: (0xc46cde38 to 0xc46ce000) # [ 94.206367] de20: 00000023 c6c00000 # [ 94.216801] de40: 0000000c c46cdf60 c46cde64 c46cde58 c1397524 c13972a4 c46cde74 c46cde68 # [ 94.227321] de60: c0c58efc c139750c c46cde9c c46cde78 c0c593fc c0c58edc c0c592dc c6a51a40 # [ 94.237838] de80: b6dd7000 0000000c c30239c0 c46cdf60 c46cdec4 c46cdea0 c07e29dc c0c592e8 # [ 94.248357] dea0: 00000000 c6a51a40 b6dd7000 c290d000 c46cdf60 c07e2978 c46cdf5c c46cdec8 # [ 94.258876] dec0: c059c404 c07e2984 00000001 00000000 c059c9b0 c13ac870 c059c9b0 c46cc000 # [ 94.269308] dee0: b6dd7000 00020000 00000004 0000000c 0001fff4 c46cdee0 00000001 b6dd6000 # [ 94.279738] df00: c5991a40 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 94.290085] df20: 00000000 00000000 c13ac870 caf43365 c206b700 c6a51a40 c6a51a40 c46cc000 # [ 94.300603] df40: b6dd7000 00000000 00000000 00000004 c46cdf94 c46cdf60 c059c9b0 c059c304 # [ 94.310694] df60: 00000000 00000000 c46cdfac caf43365 0000000c 0000000c 7ff00000 00000004 # [ 94.321212] df80: c03002e4 c46cc000 c46cdfa4 c46cdf98 c059ca40 c059c948 00000000 c46cdfa8 # [ 94.331644] dfa0: c03000c0 c059ca34 0000000c 0000000c 00000001 b6dd7000 0000000c 00000001 # [ 94.342076] dfc0: 0000000c 0000000c 7ff00000 00000004 00000001 b6dd7000 00020000 0048fe38 # [ 94.352508] dfe0: 00000004 be86e7e8 b6e9d33b b6e16616 60080030 00000001 00000000 00000000 # [ 94.362848] Backtrace: # [ 94.367561] [] (execute_location) from [] (lkdtm_EXEC_RODATA+0x24/0x28) # [ 94.378513] r7:c46cdf60 r6:0000000c r5:c6c00000 r4:00000023 # [ 94.386520] [] (lkdtm_EXEC_RODATA) from [] (lkdtm_do_action+0x2c/0x4c) # [ 94.397555] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 94.407993] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 94.418677] r9:c46cdf60 r8:c30239c0 r7:0000000c r6:<6>[ 94.966349] lkdtm: Performing direct entry EXEC_USERSPACE b6dd7000 r5:c6a51a40 r4:c0c592dc <6>[ 94.974864] lkdtm: attempting ok execution at c0c59c6c # [ 94.428768] [] (f<6>[ 94.983299] lkdtm: attempting bad execution at b6f54000 ull_proxy_write) from [<1>[ 94.991437] Unhandled prefetch abort: page domain fault (0x00b) at 0xb6f54000 ] (vfs_write+0x10c/0x53c<)0 > [# 95.001592] Internal error: : b [#8] SMP ARM [ 94.439283] r9:c07e2978 r8:c4<4>[ 95.008544] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore imx_ldb dw_hdmi_imx dw_hdmi parallel_display flexcan can_dev imxdrm caam error etnaviv gpu_sched imx_ipu_v3 6cdf60 r7:c290d000 r6:b<64d>d[7 0 95.043543] CPU: 3 PID: 2148 Comm: cat Tainted: G D W 5.10.217-cip47 #1 00 r5:c6a51a4<04 >r[4 : 0 09050.053881] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 000 # [ 94.449370] [<<4c>0[5 9 95.062579] PC is at 0xb6f54000 c2f8>] (vfs_write) from [] (ksys_writ0[ x 7 49/50076053] pc : [] lr : [] psr: 60080013 xec) # [ <944>.[4 5 9 19056.]084570] sp : c5ad1e48 ip : c5ad1d50 fp : c5ad1e64 r10:00000004 :[0 0 0 09050.091963] r10: 0000000f r9 : c1ad2d18 r8 : c15ec020 0 r8:00000000 :[b 6 d d9750.099440] r7 : c5ad1f60 r6 : 0000000f r5 : c6b5b000 r4 : b6f54000 0 r6:c46cc000 r5:c<64a>[5 1 a 490.108220] r3 : dc3e55bb r2 : dc3e55bb r1 : ef7c05e0 r0 : 0000002b # [ 94.469273]< 4 >r[4 : c 695.117085] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none 51a40 # [ 94.4<742>4[2 1 ] 9[.126645] Control: 10c5387d Table: 168cc04a DAC: 00000051 ] (ksys_wre[) f 95.134733] Process cat (pid: 2148, stack limit = 0x1559d8f6) om []< 0(>s[y s _ w9r5i142988] Stack: (0xc5ad1e48 to 0xc5ad2000) te+0x18/0x1c) # [ 94<.04>7[9 8 95.149602] 1e40: 00000001 00000000 0000000f 00000024 c5ad1e74 c5ad1e68 29] r9:c46cc000 r8:c030<00>2[e 4 95.160377] 1e60: c0c58efc c0c59d08 c5ad1e9c c5ad1e78 c0c593fc c0c58edc c0c592dc c59fe640 r7:00000004 r6:7ff000<000> [r 5 95.171150] 1e80: b6e19000 0000000f c30239c0 c5ad1f60 c5ad1ec4 c5ad1ea0 c07e29dc c0c592e8 0000000c r4:0000000c # <[0 > [ 95.181927] 1ea0: 00000000 c59fe640 b6e19000 c290d000 c5ad1f60 c07e2978 c5ad1f5c c5ad1ec8 4.487845] [<]0 >([s y s95.192788] 1ec0: c059c404 c07e2984 00000001 00000000 c059c9b0 c13ac870 c059c9b0 c5ad0000 _write) from [0[> ] 95.203476] 1ee0: b6e19000 00020000 00000004 0000000f 0001fff1 c5ad1ee0 00000001 b6e18000 ret_fast_syscall+0x<00/>0[x 2 8 )5.214166] 1f00: c6a51540 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 94.495680] Exct[i o 95.224769] 1f20: 00000000 00000000 c13ac870 dc3e55bb c206b700 c59fe640 c59fe640 c5ad0000 stack(0xc46cdfa8 to <00x>c[4 6 c95.235542] 1f40: b6e19000 00000000 00000000 00000004 c5ad1f94 c5ad1f60 c059c9b0 c059c304 dff0) # [ 94.5010<000>][ d f 95.246232] 1f60: 00000000 00000000 c5ad1fac dc3e55bb 0000000f 0000000f 7ff00000 00000004 0: 0<000>0[0 0 95.256921] 1f80: c03002e4 c5ad0000 c5ad1fa4 c5ad1f98 c059ca40 c059c948 00000000 c5ad1fa8 c 0000000c 00000001 b67[0 0 95.267697] 1fa0: c03000c0 c059ca34 0000000f 0000000f 00000001 b6e19000 0000000f 00000001 0000000c 00000001 #< 0[> [ 995.278471] 1fc0: 0000000f 0000000f 7ff00000 00000004 00000001 b6e19000 00020000 0047fe38 4.509448] dfc0: 0000<000>0[c 0 95.289159] 1fe0: 00000004 bebf57e8 b6edf33b b6e58616 60080030 00000001 00000000 00000000 00000c 7ff00000 00000<000>4[ 0 095.299841] Backtrace: 000001 b6dd7000 00020000 0048f[ 95.304810] [] (lkdtm_EXEC_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) 8 # [ 94.51789<10]> [d f e 09:.316274] r4:00000024 00000004 be86e7e8 b6e9d<303>b[ 95.321154] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) 6e16616 # [ 94.523214] Code: 5<0>[ 95.331849] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) f727563 6e756f63 0000007<40 >a[a 95.342879] r9:c5ad1f60 r8:c30239c0 r7:0000000f r6:b6e19000 r5:c59fe640 r4:c0c592dc 5aa55 (e1a0c00d) # [ 94.5<209[ 95.353311] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) 580] ---[ end trace 6c<601>b[7 a 95.363995] r9:c07e2978 r8:c5ad1f60 r7:c290d000 r6:b6e19000 r5:c59fe640 r4:00000000 1df8f467 ]--- # EXEC_D[A T 95.374337] [] (vfs_write) from [] (ksys_write+0x74/0xec) : missing 'call trace:<'0:> [[ F 95.384070] r10:00000004 r9:00000000 r8:00000000 r7:b6e19000 r6:c5ad0000 r5:c59fe640 IL] not ok 34< 0s>e[l f t e9s5t.394494] r4:c59fe640 : lkdtm: EXEC_RODATA.sh <#0 >e[x 95.399286] [] (ksys_write) from [] (sys_write+0x18/0x1c) t=1 # selftests: lkdtm<:0 >E[X E 95.409105] r9:c5ad0000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000000f r4:0000000f C_USERSPACE.sh <0>[ 95.419451] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 95.428656] Exception stack(0xc5ad1fa8 to 0xc5ad1ff0) <0>[ 95.433976] 1fa0: 0000000f 0000000f 00000001 b6e19000 0000000f 00000001 <0>[ 95.442423] 1fc0: 0000000f 0000000f 7ff00000 00000004 00000001 b6e19000 00020000 0047fe38 <0>[ 95.450868] 1fe0: 00000004 bebf57e8 b6edf33b b6e58616 <0>[ 95.456193] Code: bad PC value <4>[ 95.459520] ---[ end trace 6c61b7a51df8f468 ]--- # Segmentation fault # [ 94.966349] lkdtm: Performing direct entry EXEC_USERSPACE # [ 94.974864] lkdtm: attempting ok execution at c0c59c6c # [ 94.983299] lkdtm: attempting bad execution at b6f54000 # [ 94.991437] Unhandled prefetch abort: page domain fault (0x00b) at 0xb6f54000 # [ 95.001592] Internal error: : b [#8] SMP ARM # [ 95.008544] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore imx_ldb dw_hdmi_imx dw_hdmi parallel_display flexcan can_dev imxdrm caam error etnaviv gpu_sched imx_ipu_v3 # [ 95.043543] CPU: 3 PID: 2148 Comm: cat Tainted: G D W 5.10.217-cip47 #1 # [ 95.053881] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 95.062579] PC is at 0xb6f54000 # [ 95.068323] LR is at lkdtm_EXEC_USERSPACE+0xc4/0xd4 # [ 95.076053] pc : [] lr : [] psr: 60080013 # [ 95.084570] sp : c5ad1e48 ip : c5ad1d50 fp : c5ad1e64 # [ 95.091963] r10: 0000000f r9 : c1ad2d18 r8 : c15ec020 # [ 95.099440] r7 : c5ad1f60 r6 : 0000000f r5 : c6b5b000 r4 : b6f54000 # [ 95.108220] r3 : dc3e55bb r2 : dc3e55bb r1 : ef7c05e0 r0 : 0000002b # [ 95.117085] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 95.126645] Control: 10c5387d Table: 168cc04a DAC: 00000051 # [ 95.134733] Process cat (pid: 2148, stack limit = 0x1559d8f6) # [ 95.142988] Stack: (0xc5ad1e48 to 0xc5ad2000) # [ 95.149602] 1e40: 00000001 00000000 0000000f 00000024 c5ad1e74 c5ad1e68 # [ 95.160377] 1e60: c0c58efc c0c59d08 c5ad1e9c c5ad1e78 c0c593fc c0c58edc c0c592dc c59fe640 # [ 95.171150] 1e80: b6e19000 0000000f c30239c0 c5ad1f60 c5ad1ec4 c5ad1ea0 c07e29dc c0c592e8 # [ 95.181927] 1ea0: 00000000 c59fe640 b6e19000 c290d000 c5ad1f60 c07e2978 c5ad1f5c c5ad1ec8 # [ 95.192788] 1ec0: c059c404 c07e2984 00000001 00000000 c059c9b0 c13ac870 c059c9b0 c5ad0000 # [ 95.203476] 1ee0: b6e19000 00020000 00000004 0000000f 0001fff1 c5ad1ee0 00000001 b6e18000 # [ 95.214166] 1f00: c6a51540 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 95.224769] 1f20: 00000000 00000000 c13ac870 dc3e55bb c206b700 c59fe640 c59fe640 c5ad0000 # [ 95.235542] 1f40: b6e19000 00000000 00000000 00000004 c5ad1f94 c5ad1f60 c059c9b0 c059c304 # [ 95.246232] 1f60: 00000000 00000000 c5ad1fac dc3e55bb 0000000f 0000000f 7ff00000 00000004 # [ 95.256921] 1f80: c03002e4 c5ad0000 c5ad1fa4 c5ad1f98 c059ca40 c059c948 00000000 c5ad1fa8 # [ 95.267697] 1fa0: c03000c0 c059ca34 0000000f 0000000f 00000001 b6e19000 0000000f 00000001 # [ 95.278471] 1fc0: 0000000f 0000000f 7ff00000 00000004 00000001 b6e19000 00020000 0047fe38 # [ 95.289159] 1fe0: 00000004 bebf57e8 b6edf33b b6e58616 60080030 00000001 00000000 00000000 # [ 95.299841] Backtrace: # [ 95.304810] [] (lkdtm_EXEC_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 95.316274] r4:00000024 # [ 95.321154] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 95.331849] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 95.342879] r9:c5ad1f60 r8:c30239c0 r7:0000000f r6:b6e19000 r5:c59fe640 r4:c0c592dc # [ 95.353311] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 95.363995] r9:c07e2978 r8:c5ad1f60 r7:c290d000 r6:b6e19000 r5:c59fe640 r4:00000000 # [ 95.374337] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 95.384070] r10:00000004 r9:00000000 r8:00000000 r7:b6e19000 r6:c5ad0000 r5:c59fe640 # [ 95.394494] r4:c59fe640 # [ 95.399286] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 95.409105] r9:c5ad0000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000000f r4:0000000f # [ 95.419451] [] (sys_write) from [] (ret_fast<6>[ 95.902532] lkdtm: Performing direct entry EXEC_NULL _syscall+0x0/0x28) # [ < 965>.[ 95.910405] lkdtm: attempting ok execution at c0c59c6c 28656] Exception stack(0xc5ad1fa8<6>[ 95.918371] lkdtm: attempting bad execution at 00000000 to 0xc5ad1ff0) # [ 95.433976]<1>[ 95.926805] 8<--- cut here --- 1fa0: 0000000f<1>[ 95.932923] Unable to handle kernel NULL pointer dereference at virtual address 00000000 0000000f 00000001 b6e19000 00000<1>[ 95.944114] pgd = 7d937626 00f 00000001 # [ 95.442423] 1f<1>[ 95.949905] [00000000] *pgd=00000000 c0: 0000000f 0000000f 7ff00000 00<0>[ 95.956646] Internal error: Oops: 80000005 [#9] SMP ARM 000004 00000001 b6e19000 00020000<4>[ 95.964957] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore imx_ldb dw_hdmi_imx dw_hdmi parallel_display flexcan can_dev imxdrm caam error etnaviv gpu_sched imx_ipu_v3 0047fe38 # [ 95.<445>0[8 6 8 95.999959] CPU: 3 PID: 2220 Comm: cat Tainted: G D W 5.10.217-cip47 #1 1fe0: 0000<040>0[4 b e9b6f.5070213] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) e8 b6edf33b b6e5<846>1[6 #9 6.018828] PC is at 0x0 95.456193] Code: bad< 4P>C[ v 96.023709] LR is at execute_location+0xa4/0xb4 alue # [ < 49>5[. 4 5 99562.0030838] pc : [<00000000>] lr : [] psr: 60080013 ---[ end tre[ 6 c 6916b.7039185] sp : c6a65e38 ip : c6a65d40 fp : c6a65e54 51df8f468< 4]>-[- - 9#6 .E0X4E577] r10: 0000000a r9 : c1ad2d28 r8 : c15ec020 C_USERSPACE:< 4m>i[s s i 9n6g. 0'3800] r7 : c6a65f60 r6 : 00000000 r5 : 00000000 r4 : c0c59c6c call trace:<'4:> [[ F A I9L6]. 0 2407] r3 : e3917132 r2 : e3917132 r1 : ef7c05e0 r0 : 0000002b not ok 35 set[e s t s9:6 .l071018] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none dtm: EXEC_USEP[A C E .9s6h. 80321] Control: 10c5387d Table: 16dec04a DAC: 00000051 # exit=1 # sele[s t s :9 6l088236] Process cat (pid: 2220, stack limit = 0xeb17b65e) kdtm: EXEC_NL[. s h 9 6.096237] Stack: (0xc6a65e38 to 0xc6a66000) <0>[ 96.102590] 5e20: 00000025 c6b5b000 <0>[ 96.111038] 5e40: 0000000a c6a65f60 c6a65e64 c6a65e58 c1397548 c13972a4 c6a65e74 c6a65e68 <0>[ 96.119487] 5e60: c0c58efc c1397534 c6a65e9c c6a65e78 c0c593fc c0c58edc c0c592dc c59feb40 <0>[ 96.127936] 5e80: b6dda000 0000000a c30239c0 c6a65f60 c6a65ec4 c6a65ea0 c07e29dc c0c592e8 <0>[ 96.136382] 5ea0: 00000000 c59feb40 b6dda000 c290d000 c6a65f60 c07e2978 c6a65f5c c6a65ec8 <0>[ 96.144829] 5ec0: c059c404 c07e2984 00000001 00000000 c059c9b0 c13ac870 c059c9b0 c6a64000 <0>[ 96.153275] 5ee0: b6dda000 00020000 00000004 0000000a 0001fff6 c6a65ee0 00000001 b6dd9000 <0>[ 96.161720] 5f00: c5c5f040 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 96.170167] 5f20: 00000000 00000000 c13ac870 e3917132 c206b700 c59feb40 c59feb40 c6a64000 <0>[ 96.178612] 5f40: b6dda000 00000000 00000000 00000004 c6a65f94 c6a65f60 c059c9b0 c059c304 <0>[ 96.187059] 5f60: 00000000 00000000 c6a65fac e3917132 0000000a 0000000a 7ff00000 00000004 <0>[ 96.195507] 5f80: c03002e4 c6a64000 c6a65fa4 c6a65f98 c059ca40 c059c948 00000000 c6a65fa8 <0>[ 96.203954] 5fa0: c03000c0 c059ca34 0000000a 0000000a 00000001 b6dda000 0000000a 00000001 <0>[ 96.212402] 5fc0: 0000000a 0000000a 7ff00000 00000004 00000001 b6dda000 00020000 0041fe38 <0>[ 96.220848] 5fe0: 00000004 bed597e8 b6ea033b b6e19616 60080030 00000001 00000000 00000000 <0>[ 96.229288] Backtrace: <0>[ 96.232015] [] (execute_location) from [] (lkdtm_EXEC_NULL+0x20/0x24) <0>[ 96.240462] r7:c6a65f60 r6:0000000a r5:c6b5b000 r4:00000025 <0>[ 96.246397] [] (lkdtm_EXEC_NULL) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 96.254759] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 96.263042] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 96.271230] r9:c6a65f60 r8:c30239c0 r7:0000000a r6:b6dda000 r5:c59feb40 r4:c0c592dc <0>[ 96.279248] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 96.287346] r9:c07e2978 r8:c6a65f60 r7:c290d000 r6:b6dda000 r5:c59feb40 r4:00000000 <0>[ 96.295361] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 96.302766] r10:00000004 r9:00000000 r8:00000000 r7:b6dda000 r6:c6a64000 r5:c59feb40 <0>[ 96.310860] r4:c59feb40 <0>[ 96.313666] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 96.321071] r9:c6a64000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000000a r4:0000000a <0>[ 96.329086] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 96.336920] Exception stack(0xc6a65fa8 to 0xc6a65ff0) <0>[ 96.342240] 5fa0: 0000000a 0000000a 00000001 b6dda000 0000000a 00000001 <0>[ 96.350686] 5fc0: 0000000a 0000000a 7ff00000 00000004 00000001 b6dda000 00020000 0041fe38 <0>[ 96.359129] 5fe0: 00000004 bed597e8 b6ea033b b6e19616 <0>[ 96.364453] Code: bad PC value <4>[ 96.367848] ---[ end trace 6c61b7a51df8f469 ]--- # Segmentation fault # [ 95.902532] lkdtm: Performing direct entry EXEC_NULL # [ 95.910405] lkdtm: attempting ok execution at c0c59c6c # [ 95.918371] lkdtm: attempting bad execution at 00000000 # [ 95.926805] 8<--- cut here --- # [ 95.932923] Unable to handle kernel NULL pointer dereference at virtual address 00000000 # [ 95.944114] pgd = 7d937626 # [ 95.949905] [00000000] *pgd=00000000 # [ 95.956646] Internal error: Oops: 80000005 [#9] SMP ARM # [ 95.964957] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore imx_ldb dw_hdmi_imx dw_hdmi parallel_display flexcan can_dev imxdrm caam error etnaviv gpu_sched imx_ipu_v3 # [ 95.999959] CPU: 3 PID: 2220 Comm: cat Tainted: G D W 5.10.217-cip47 #1 # [ 96.010213] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 96.018828] PC is at 0x0 # [ 96.023709] LR is at execute_location+0xa4/0xb4 # [ 96.030838] pc : [<00000000>] lr : [] psr: 60080013 # [ 96.039185] sp : c6a65e38 ip : c6a65d40 fp : c6a65e54 # [ 96.046577] r10: 0000000a r9 : c1ad2d28 r8 : c15ec020 # [ 96.053800] r7 : c6a65f60 r6 : 00000000 r5 : 00000000 r4 : c0c59c6c # [ 96.062407] r3 : e3917132 r2 : e3917132 r1 : ef7c05e0 r0 : 0000002b # [ 96.071018] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 96.080321] Control: 10c5387d Table: 16dec04a DAC: 00000051 # [ 96.088236] Process cat (pid: 2220, stack limit = 0xeb17b65e) # [ 96.096237] Stack: (0xc6a65e38 to 0xc6a66000) # [ 96.102590] 5e20: 00000025 c6b5b000 # [ 96.111038] 5e40: 0000000a c6a65f60 c6a65e64 c6a65e58 c1397548 c13972a4 c6a65e74 c6a65e68 # [ 96.119487] 5e60: c0c58efc c1397534 c6a65e9c c6a65e78 c0c593fc c0c58edc c0c592dc c59feb40 # [ 96.127936] 5e80: b6dda000 0000000a c30239c0 c6a65f60 c6a65ec4 c6a65ea0 c07e29dc c0c592e8 # [ 96.136382] 5ea0: 00000000 c59feb40 b6dda000 c290d000 c6a65f60 c07e2978 c6a65f5c c6a65ec8 # [ 96.144829] 5ec0: c059c404 c07e2984 00000001 00000000 c059c9b0 c13ac870 c059c9b0 c6a64000 # [ 96.153275] 5ee0: b6dda000 00020000 00000004 0000000a 0001fff6 c6a65ee0 00000001 b6dd9000 # [ 96.161720] 5f00: c5c5f040 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 96.170167] 5f20: 00000000 00000000 c13ac870 e3917132 c206b700 c59feb40 c59feb40 c6a64000 # [ 96.178612] 5f40: b6dda000 00000000 00000000 00000004 c6a65f94 c6a65f60 c059c9b0 c059c304 # [ 96.187059] 5f60: 00000000 00000000 c6a65fac e3917132 0000000a 0000000a 7ff00000 00000004 # [ 96.195507] 5f80: c03002e4 c6a64000 c6a65fa4 c6a65f98 c059ca40 c059c948 00000000 c6a65fa8 # [ 96.203954] 5fa0: c03000c0 c059ca34 0000000a 0000000a 00000001 b6dda000 0000000a 00000001 # [ 96.212402] 5fc0: 0000000a 0000000a 7ff00000 00000004 00000001 b6dda000 00020000 0041fe38 # [ 96.220848] 5fe0: 00000004 bed597e8 b6ea033b b6e19616 60080030 00000001 00000000 00000000 # [ 96.229288] Backtrace: # [ 96.232015] [] (execute_location) from [] (lkdtm_EXEC_NULL+0x20/0x24) # [ 96.240462] r7:c6a65f60 r6:0000000a r5:c6b5b000 r4:00000025 # [ 96.246397] [] (lkdtm_EXEC_NULL) from [] (lkdtm_do_action+0x2c/0x4c) # [ 96.254759] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 96.263042] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 96.271230] r9:c6a65f60 r8:c30239c0 r7:0000000a r6:b6dda000 r5:c59feb40 r4:c0c592dc # [ 96.279248] [[ 96.770180] lkdtm: Performing direct entry ACCESS_USERSPACE 8>] (full_proxy_write) from [[ 96.778191] lkdtm: attempting bad read at b6f2f000 9c404>] (vfs_write+0x10c/0x53c) <1>[ 96.786110] 8<--- cut here --- # [ 96.287346] r9:c07e<219>7[8 96.792192] Unhandled fault: page domain fault (0x01b) at 0xb6f2f000 r8:c6a65f60 r7:c290d<010>0[ r 696.801235] pgd = c9c9ee49 :b6dda000 r5:c59feb40 r4:0000<010[ 96.806453] [b6f2f000] *pgd=4b8c5831 00 # [ 96.295361] [f 96.812895] Internal error: : 1b [#10] SMP ARM 8>] (vfs_write) from []<4>[ 96.820109] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore imx_ldb dw_hdmi_imx dw_hdmi parallel_display flexcan can_dev imxdrm caam error etnaviv gpu_sched imx_ipu_v3 (ksys_write+0x74/0xec) # [ < 4>[ 96.855109] CPU: 2 PID: 2297 Comm: cat Tainted: G D W 5.10.217-cip47 #1 6.302766] r10:00000<040>4[ r 9 96.865792] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 00000000 r8:00000000 r7:b6dda000 <4>[ 96.874843] PC is at lkdtm_ACCESS_USERSPACE+0x114/0x16c r6:c6a64000 r5:c59feb40 <#4 >[[ 96.883182] LR is at __irq_work_queue_local+0x40/0x74 96.310860] r4:c<54>9[f e b 490.890916] pc : [] lr : [] psr: 60080013 # [ 96.313666] <[4<>c[0 5 9 c6.899524] sp : c68ade38 ip : c68add40 fp : c68ade64 93c>] (ksys_wri)[ f r o9m6 907172] r10: 00000011 r9 : c1ad2d34 r8 : c15ec020 [] (sys_i[t e + 096.914652] r7 : c68adf60 r6 : 00000051 r5 : c68ac000 r4 : b6f2f000 18/0x1c) # [ 96<.43>2[1 0 7 196.923607] r3 : 94ce1351 r2 : 94ce1351 r1 : ef7ab5e0 r0 : 00000026 r9:c6a64000 r8:c0300<24e>4[ r 96.932562] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none :00000004 r6:7ff000<040> [r 5 :96.942295] Control: 10c5387d Table: 16e6c04a DAC: 00000051 000000a r4:0000000a # <[0 > [ 9 96.950469] Process cat (pid: 2297, stack limit = 0x65cd0187) 6.329086] [>][ ( s y6.958813] Stack: (0xc68ade38 to 0xc68ae000) s_write) from [>[] 96.965597] de20: 00000022 00000000 ret_fast_syscall+0x0/0x28<)0 > [# 96.976376] de40: 00000000 94ce1351 c68ade6c 00000026 c6c00000 00000011 c68ade74 c68ade68 [ 96.336920] Exception st[ 96.987240] de60: c0c58efc c0c59ddc c68ade9c c68ade78 c0c593fc c0c58edc c0c592dc c69092c0 (0xc6a65fa8 to 0xc6a65ff0) < 0#> 96.998275] de80: b6df4000 00000011 c30239c0 c68adf60 c68adec4 c68adea0 c07e29dc c0c592e8 [ 96.342240] 5fa0: < 0 > [ 97.009225] dea0: 00000000 c69092c0 b6df4000 c290d000 c68adf60 c07e2978 c68adf5c c68adec8 0000000a 0000000a< 00>0[ 97.020174] dec0: c059c404 c07e2984 00000001 00000000 c059c9b0 c595d664 c059c9b0 c68ac000 00001 b6dda000 0000000a 0<000>0[0 97.031122] dee0: b6df4000 00020000 00000004 00000011 0001ffef c68adee0 00000001 00000805 001 # [ 96.350686] 50[: 97.041984] df00: c5c5e140 00000000 00000000 00000000 00000000 00000000 00000000 00000000 0000000a 0000000a 7ff0000<00 >0[0 97.052762] df20: 00000000 00000000 c68ac000 94ce1351 b6df3000 c69092c0 c69092c0 c68ac000 000004 00000001 b6dda000 <000>0[2 97.063625] df40: b6df4000 00000000 00000000 00000004 c68adf94 c68adf60 c059c9b0 c059c304 0000 0041fe38 # [ 96<.03>5[9 1 97.074489] df60: 00000000 00000000 c68adfac 94ce1351 00000011 00000011 7ff00000 00000004 29] 5fe0: 00000004 bed59<70e>8[ 97.085266] df80: c03002e4 c68ac000 c68adfa4 c68adf98 c059ca40 c059c948 00000000 c68adfa8 6ea033b b6e19616 # [ < 09>6[. 3 97.096128] dfa0: c03000c0 c059ca34 00000011 00000011 00000001 b6df4000 00000011 00000001 64453] Code: bad PC value < 0#> [ 97.106905] dfc0: 00000011 00000011 7ff00000 00000004 00000001 b6df4000 00020000 0050fe38 96.367848] ---[ end a[c e 97.117854] dfe0: 00000004 bec2f7e8 b6eba33b b6e33616 60080030 00000001 00000000 00000000 6c61b7a51df8f469 ]--- #< 0E>X[E 97.128625] Backtrace: C_NULL: missing 'call trace:': [F<0>[ 97.133770] [] (lkdtm_ACCESS_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) AIL] not ok 36 selftest [l 97.145582] r6:00000011 r5:c6c00000 r4:00000026 dtm: EXEC_NULL.sh # exit=1 <#0 >[ 97.152891] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) elftests: lkdtm: ACCESS_USERSPACE<0>[ 97.163761] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) .sh <0>[ 97.174790] r9:c68adf60 r8:c30239c0 r7:00000011 r6:b6df4000 r5:c69092c0 r4:c0c592dc <0>[ 97.183228] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 97.191333] r9:c07e2978 r8:c68adf60 r7:c290d000 r6:b6df4000 r5:c69092c0 r4:00000000 <0>[ 97.199351] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 97.206761] r10:00000004 r9:00000000 r8:00000000 r7:b6df4000 r6:c68ac000 r5:c69092c0 <0>[ 97.214858] r4:c69092c0 <0>[ 97.217667] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 97.225075] r9:c68ac000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000011 r4:00000011 <0>[ 97.233095] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 97.240933] Exception stack(0xc68adfa8 to 0xc68adff0) <0>[ 97.246258] dfa0: 00000011 00000011 00000001 b6df4000 00000011 00000001 <0>[ 97.254707] dfc0: 00000011 00000011 7ff00000 00000004 00000001 b6df4000 00020000 0050fe38 <0>[ 97.263155] dfe0: 00000004 bec2f7e8 b6eba33b b6e33616 <0>[ 97.268483] Code: e1a01004 e3030c58 e34c01ad eb1cc95c (e5943000) <4>[ 97.274854] ---[ end trace 6c61b7a51df8f46a ]--- # Segmentation fault # [ 96.770180] lkdtm: Performing direct entry ACCESS_USERSPACE # [ 96.778191] lkdtm: attempting bad read at b6f2f000 # [ 96.786110] 8<--- cut here --- # [ 96.792192] Unhandled fault: page domain fault (0x01b) at 0xb6f2f000 # [ 96.801235] pgd = c9c9ee49 # [ 96.806453] [b6f2f000] *pgd=4b8c5831 # [ 96.812895] Internal error: : 1b [#10] SMP ARM # [ 96.820109] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore imx_ldb dw_hdmi_imx dw_hdmi parallel_display flexcan can_dev imxdrm caam error etnaviv gpu_sched imx_ipu_v3 # [ 96.855109] CPU: 2 PID: 2297 Comm: cat Tainted: G D W 5.10.217-cip47 #1 # [ 96.865792] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 96.874843] PC is at lkdtm_ACCESS_USERSPACE+0x114/0x16c # [ 96.883182] LR is at __irq_work_queue_local+0x40/0x74 # [ 96.890916] pc : [] lr : [] psr: 60080013 # [ 96.899524] sp : c68ade38 ip : c68add40 fp : c68ade64 # [ 96.907172] r10: 00000011 r9 : c1ad2d34 r8 : c15ec020 # [ 96.914652] r7 : c68adf60 r6 : 00000051 r5 : c68ac000 r4 : b6f2f000 # [ 96.923607] r3 : 94ce1351 r2 : 94ce1351 r1 : ef7ab5e0 r0 : 00000026 # [ 96.932562] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 96.942295] Control: 10c5387d Table: 16e6c04a DAC: 00000051 # [ 96.950469] Process cat (pid: 2297, stack limit = 0x65cd0187) # [ 96.958813] Stack: (0xc68ade38 to 0xc68ae000) # [ 96.965597] de20: 00000022 00000000 # [ 96.976376] de40: 00000000 94ce1351 c68ade6c 00000026 c6c00000 00000011 c68ade74 c68ade68 # [ 96.987240] de60: c0c58efc c0c59ddc c68ade9c c68ade78 c0c593fc c0c58edc c0c592dc c69092c0 # [ 96.998275] de80: b6df4000 00000011 c30239c0 c68adf60 c68adec4 c68adea0 c07e29dc c0c592e8 # [ 97.009225] dea0: 00000000 c69092c0 b6df4000 c290d000 c68adf60 c07e2978 c68adf5c c68adec8 # [ 97.020174] dec0: c059c404 c07e2984 00000001 00000000 c059c9b0 c595d664 c059c9b0 c68ac000 # [ 97.031122] dee0: b6df4000 00020000 00000004 00000011 0001ffef c68adee0 00000001 00000805 # [ 97.041984] df00: c5c5e140 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 97.052762] df20: 00000000 00000000 c68ac000 94ce1351 b6df3000 c69092c0 c69092c0 c68ac000 # [ 97.063625] df40: b6df4000 00000000 00000000 00000004 c68adf94 c68adf60 c059c9b0 c059c304 # [ 97.074489] df60: 00000000 00000000 c68adfac 94ce1351 00000011 00000011 7ff00000 00000004 # [ 97.085266] df80: c03002e4 c68ac000 c68adfa4 c68adf98 c059ca40 c059c948 00000000 c68adfa8 # [ 97.096128] dfa0: c03000c0 c059ca34 00000011 00000011 00000001 b6df4000 00000011 00000001 # [ 97.106905] dfc0: 00000011 00000011 7ff00000 00000004 00000001 b6df4000 00020000 0050fe38 # [ 97.117854] dfe0: 00000004 bec2f7e8 b6eba33b b6e33616 60080030 00000001 00000000 00000000 # [ 97.128625] Backtrace: # [ 97.133770] [] (lkdtm_ACCESS_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 97.145582] r6:00000011 r5:c6c00000 r4:00000026 # [ 97.152891] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 97.163761] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 97.174790] r9:c68adf60 r8:c30239c0 r7:00000011 r6:b6df4000 r5:c69092c0 r4:c0c592dc # [ 97.183228] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 97.191333] r9:c07e2978 r8:c68adf60 r7:c290d000 r6:b6df4000 r5:c69092c0 r4:00000000 # [ 97.199351] [] (vfs_write) from [[ 97.725850] lkdtm: Performing direct entry ACCESS_NULL 0>] (ksys_write+0x74/0xec) # [ <6>[ 97.734070] lkdtm: attempting bad read at 00000000 97.206761] r10:00000004 r9:0000<1>[ 97.742118] 8<--- cut here --- 0000 r8:00000000 r7:b6df4000 r6:c<1>[ 97.748142] Unable to handle kernel NULL pointer dereference at virtual address 00000000 68ac000 r5:c69092c0 # [ 97.214<1>[ 97.759382] pgd = 58448054 858] r4:c69092c0 # [ 97.21766<1>[ 97.765213] [00000000] *pgd=00000000 7] [] (ksys_write) from<0>[ 97.771920] Internal error: Oops: 5 [#11] SMP ARM [] (sys_write+0x18/0x1<4>[ 97.779706] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore imx_ldb dw_hdmi_imx dw_hdmi parallel_display flexcan can_dev imxdrm caam error etnaviv gpu_sched imx_ipu_v3 c) # [ 97.225075<]4 > [r 9 : c7.814720] CPU: 3 PID: 2373 Comm: cat Tainted: G D W 5.10.217-cip47 #1 68ac000 r8:3[ 0 0 29e74. 8r24887] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) :00000004 r6:7ff00000 r5:0<040>0[ 97.833507] PC is at lkdtm_ACCESS_NULL+0x28/0x68 011 r4:00000011 <#4 >[[ 997.840895] LR is at __irq_work_queue_local+0x40/0x74 .233095] [<<4c>0[5 9 c a9278.>8]48285] pc : [] lr : [] psr: 60080013 (sys_writ[ f r o9m7 .[8<5c6632] sp : c6917e50 ip : c6917d58 fp : c6917e64 3000c0>]< 4(>r[e t _ f9a7s.t8_6s3852] r10: 0000000c r9 : c1ad2d48 r8 : c15ec020 scall+0x0/08[) #9 7[. 8 1074] r7 : c6917f60 r6 : 0000000c r5 : c6b5b000 r4 : 00000000 97.240933]<4 >E[x c e p9t7i.o8n79683] r3 : 7901cef5 r2 : 7901cef5 r1 : ef7c05e0 r0 : 00000026 stack(0xc68ad8[ t o 907.x888293] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none 68adff0) #< 4[> [ 9 79.72.4867596] Control: 10c5387d Table: 16abc04a DAC: 00000051 258] dfa0:< 0 > [ 9 7 . 9 05424] Process cat (pid: 2373, stack limit = 0xd0aa5874) 0000<000>1[1 0 0970.09013251] Stack: (0xc6917e50 to 0xc6918000) 11 00000001 b6df<400>0[0 0 0907.919694] 7e40: 00000027 c6b5b000 c6917e74 c6917e68 0011 00000001 <#0 >[[ 9977.930211] 7e60: c0c58efc c1397558 c6917e9c c6917e78 c0c593fc c0c58edc c0c592dc c5fd72c0 254707] dfc0: <000>0[0 0 0 1917 .940645] 7e80: b6e0f000 0000000c c30239c0 c6917f60 c6917ec4 c6917ea0 c07e29dc c0c592e8 0000011 7ff00000< 00>0[ 0 0 09070951077] 7ea0: 00000000 c5fd72c0 b6e0f000 c290d000 c6917f60 c07e2978 c6917f5c c6917ec8 4 00000001 b6df400<00 >0[0 0 2 097.961510] 7ec0: c059c404 c07e2984 00000001 00000000 c059c9b0 c13ac870 c059c9b0 c6916000 00 0050fe38 # [< 0 > [9 7 . 2967.972116] 7ee0: b6e0f000 00020000 00000004 0000000c 0001fff4 c6917ee0 00000001 b6e0e000 155] dfe0: 000<000>0[0 4 b9e7c.982633] 7f00: c5991400 00000000 00000000 00000000 00000000 00000000 00000000 00000000 f7e8 b6eba33b b6e<303>6[1 6 9#.993068] 7f20: 00000000 00000000 c13ac870 7901cef5 c206b700 c5fd72c0 c5fd72c0 c6916000 [ 97.268483<]0 >C[o d e :9 8e.003585] 7f40: b6e0f000 00000000 00000000 00000004 c6917f94 c6917f60 c059c9b0 c059c304 a01004 e3030c58 4[c 0 1 a9d8.014020] 7f60: 00000000 00000000 c6917fac 7901cef5 0000000c 0000000c 7ff00000 00000004 eb1cc95c (e5943000<)0 > [ # [98.024540] 7f80: c03002e4 c6916000 c6917fa4 c6917f98 c059ca40 c059c948 00000000 c6917fa8 97.274854] -<-0->[[ e n d9 8t.035143] 7fa0: c03000c0 c059ca34 0000000c 0000000c 00000001 b6e0f000 0000000c 00000001 ace 6c61b7a51df<80f>4[6 a ]9-8-045576] 7fc0: 0000000c 0000000c 7ff00000 00000004 00000001 b6e0f000 00020000 0050fe38 - # ACCESS_USERA[C E : 9m8.056009] 7fe0: 00000004 beb847e8 b6ed533b b6e4e616 60080030 00000001 00000000 00000000 ssing 'call trac'[: [ F9A8.066522] Backtrace: L] not ok 37 selftests: lt[ 98.071324] [] (lkdtm_ACCESS_NULL) from [] (lkdtm_do_action+0x2c/0x4c) : ACCESS_USERA[C E . s9h8 .#82355] r5:c6b5b000 r4:00000027 exit=1 # selftests:< 0l>k[d t m98.088104] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) : ACCESS_NULL.sh <0>[ 98.098628] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 98.108360] r9:c6917f60 r8:c30239c0 r7:0000000c r6:b6e0f000 r5:c5fd72c0 r4:c0c592dc <0>[ 98.116381] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 98.124481] r9:c07e2978 r8:c6917f60 r7:c290d000 r6:b6e0f000 r5:c5fd72c0 r4:00000000 <0>[ 98.132496] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 98.139901] r10:00000004 r9:00000000 r8:00000000 r7:b6e0f000 r6:c6916000 r5:c5fd72c0 <0>[ 98.147996] r4:c5fd72c0 <0>[ 98.150802] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 98.158209] r9:c6916000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000000c r4:0000000c <0>[ 98.166226] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 98.174061] Exception stack(0xc6917fa8 to 0xc6917ff0) <0>[ 98.179382] 7fa0: 0000000c 0000000c 00000001 b6e0f000 0000000c 00000001 <0>[ 98.187829] 7fc0: 0000000c 0000000c 7ff00000 00000004 00000001 b6e0f000 00020000 0050fe38 <0>[ 98.196273] 7fe0: 00000004 beb847e8 b6ed533b b6e4e616 <0>[ 98.201596] Code: e3030c58 e34c01ad e1a01004 ebffd3b8 (e5945000) <4>[ 98.208026] ---[ end trace 6c61b7a51df8f46b ]--- # Segmentation fault # [ 97.725850] lkdtm: Performing direct entry ACCESS_NULL # [ 97.734070] lkdtm: attempting bad read at 00000000 # [ 97.742118] 8<--- cut here --- # [ 97.748142] Unable to handle kernel NULL pointer dereference at virtual address 00000000 # [ 97.759382] pgd = 58448054 # [ 97.765213] [00000000] *pgd=00000000 # [ 97.771920] Internal error: Oops: 5 [#11] SMP ARM # [ 97.779706] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore imx_ldb dw_hdmi_imx dw_hdmi parallel_display flexcan can_dev imxdrm caam error etnaviv gpu_sched imx_ipu_v3 # [ 97.814720] CPU: 3 PID: 2373 Comm: cat Tainted: G D W 5.10.217-cip47 #1 # [ 97.824887] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 97.833507] PC is at lkdtm_ACCESS_NULL+0x28/0x68 # [ 97.840895] LR is at __irq_work_queue_local+0x40/0x74 # [ 97.848285] pc : [] lr : [] psr: 60080013 # [ 97.856632] sp : c6917e50 ip : c6917d58 fp : c6917e64 # [ 97.863852] r10: 0000000c r9 : c1ad2d48 r8 : c15ec020 # [ 97.871074] r7 : c6917f60 r6 : 0000000c r5 : c6b5b000 r4 : 00000000 # [ 97.879683] r3 : 7901cef5 r2 : 7901cef5 r1 : ef7c05e0 r0 : 00000026 # [ 97.888293] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 97.897596] Control: 10c5387d Table: 16abc04a DAC: 00000051 # [ 97.905424] Process cat (pid: 2373, stack limit = 0xd0aa5874) # [ 97.913251] Stack: (0xc6917e50 to 0xc6918000) # [ 97.919694] 7e40: 00000027 c6b5b000 c6917e74 c6917e68 # [ 97.930211] 7e60: c0c58efc c1397558 c6917e9c c6917e78 c0c593fc c0c58edc c0c592dc c5fd72c0 # [ 97.940645] 7e80: b6e0f000 0000000c c30239c0 c6917f60 c6917ec4 c6917ea0 c07e29dc c0c592e8 # [ 97.951077] 7ea0: 00000000 c5fd72c0 b6e0f000 c290d000 c6917f60 c07e2978 c6917f5c c6917ec8 # [ 97.961510] 7ec0: c059c404 c07e2984 00000001 00000000 c059c9b0 c13ac870 c059c9b0 c6916000 # [ 97.972116] 7ee0: b6e0f000 00020000 00000004 0000000c 0001fff4 c6917ee0 00000001 b6e0e000 # [ 97.982633] 7f00: c5991400 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 97.993068] 7f20: 00000000 00000000 c13ac870 7901cef5 c206b700 c5fd72c0 c5fd72c0 c6916000 # [ 98.003585] 7f40: b6e0f000 00000000 00000000 00000004 c6917f94 c6917f60 c059c9b0 c059c304 # [ 98.014020] 7f60: 00000000 00000000 c6917fac 7901cef5 0000000c 0000000c 7ff00000 00000004 # [ 98.024540] 7f80: c03002e4 c6916000 c6917fa4 c6917f98 c059ca40 c059c948 00000000 c6917fa8 # [ 98.035143] 7fa0: c03000c0 c059ca34 0000000c 0000000c 00000001 b6e0f000 0000000c 00000001 # [ 98.045576] 7fc0: 0000000c 0000000c 7ff00000 00000004 00000001 b6e0f000 00020000 0050fe38 # [ 98.056009] 7fe0: 00000004 beb847e8 b6ed533b b6e4e616 60080030 00000001 00000000 00000000 # [ 98.066522] Backtrace: # [ 98.071324] [] (lkdtm_ACCESS_NULL) from [] (lkdtm_do_action+0x2c/0x4c) # [ 98.082355] r5:c6b5b000 r4:00000027 # [ 98.088104] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 98.098628] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 98.108360] r9:c6917f60 r8:c30239c0 r7:0000000c r6:b6e0f000 r5:c5fd72c0 r4:c0c592dc # [ 98.116381] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 98.124481] r9:c07e2978 r8:c6917f60 r7:c290d000 r6:b6e0f000 r5:c5fd72c0 r4:00000000 # [ 98.132496] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 98.139901] r10:00000004 r9:00000000 r8:00000000 r7:b6e0f000 r6:c691<6>[ 98.634158] lkdtm: Performing direct entry WRITE_RO 6000 r5:c5fd72c0 # [ 98.147996<6>[ 98.640827] lkdtm: attempting bad rodata write at c15ec2b8 ] r4:c5fd72c0 # [ 98.<115>0[8 98.649369] 8<--- cut here --- 02] [] (ksyw[r i t98.655116] Unable to handle kernel paging request at virtual address c15ec2b8 e) from [<]1 >([s y s _8.664862] pgd = e0976da3 write+0x18/0x1c) # [ 98.158209<1>[ 98.670008] [c15ec2b8] *pgd=1141941e(bad) ] r9:c6916000 r8:c03002e4 r7:00<0>[ 98.677161] Internal error: Oops: 80d [#12] SMP ARM 00004 r6:7ff00000 r5:0000000c r4:<4>[ 98.685076] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore imx_ldb dw_hdmi_imx dw_hdmi parallel_display flexcan can_dev imxdrm caam error etnaviv gpu_sched imx_ipu_v3 0000000c # [ 98.166226] [[ 98.720092] CPU: 3 PID: 2448 Comm: cat Tainted: G D W 5.10.217-cip47 #1 ca28>] (sys_write)< 4f>r[o m [98.730956] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) c03000c0>] (ret_fast_syscall+0x0/<4>[ 98.739938] PC is at lkdtm_WRITE_RO+0x44/0x50 0x28) # [ 98.174061<]4 >E[x c 98.747413] LR is at 0x0 ption stack(0xc691<74f>a[ 8 t9o.752555] pc : [] lr : [<00000000>] psr: 60080013 0xc6917ff0) # [ < 49>8[. 1 7 98.761175] sp : c46cde50 ip : 00000027 fp : c46cde64 382] 7fa0: < 4 > [ 98.768838] r10: 00000009 r9 : c1ad2d54 r8 : c15ec020 0000000c 0000000c <040>0[0 0 0 08.776674] r7 : c46cdf60 r6 : 00000009 r5 : c6b55000 r4 : c15ec2b8 1 b6e0f000 0000000c 0<040>0[0 0 098.785640] r3 : 0198b861 r2 : aa55aa55 r1 : ef7c05e4 r0 : c1ad3b58 1 # [ 98.187829] 7fc<04:> [0 0 98.794693] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none 00000c 0000000c 7ff0<04>0[0 0 08.804437] Control: 10c5387d Table: 16dfc04a DAC: 00000051 0000004 00000001 b6e0f000 <00>0[0 98.812622] Process cat (pid: 2448, stack limit = 0x971c8b13) 20000 0050fe38 # [< 0 > [9 8 . 18.821065] Stack: (0xc46cde50 to 0xc46ce000) 96273] 7fe0: 00000004 beb847e<80 [ 98.827866] de40: 00000028 c6b55000 c46cde74 c46cde68 b6ed533b b6e4e616 # [ 98.20<10>[ 98.838916] de60: c0c58efc c1397358 c46cde9c c46cde78 c0c593fc c0c58edc c0c592dc c5fd77c0 96] Code: e3030c58 e34c01ad e<10a[ 98.850050] de80: b6e92000 00000009 c30239c0 c46cdf60 c46cdec4 c46cdea0 c07e29dc c0c592e8 01004 ebffd3b8 (e5945000) # [< >[ 98.861100] dea0: 00000000 c5fd77c0 b6e92000 c290d000 c46cdf60 c07e2978 c46cdf5c c46cdec8 98.208026] ---[ end trace 6c<60>[ 98.872234] dec0: c059c404 c07e2984 00000001 00000000 c059c9b0 c13ac870 c059c9b0 c46cc000 b7a51df8f46b ]--- # ACCESS_NUL[ 98.883370] dee0: b6e92000 00020000 00000004 00000009 0001fff7 c46cdee0 00000001 b6e91000 : missing 'call trace:': [FL 98.894501] df00: c5c5f7c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ] not ok 38 selftests: lkdt[ 98.905465] df20: 00000000 00000000 c13ac870 b16f3e08 c206b700 c5fd77c0 c5fd77c0 c46cc000 ACCESS_NULL.sh # exit=1 # se[ 98.927563] df60: 00000000 00000000 c46cdfac b16f3e08 00000009 00000009 7ff00000 00000004 <0>[ 98.938350] df80: c03002e4 c46cc000 c46cdfa4 c46cdf98 c059ca40 c059c948 00000000 c46cdfa8 <0>[ 98.946819] dfa0: c03000c0 c059ca34 00000009 00000009 00000001 b6e92000 00000009 00000001 <0>[ 98.955289] dfc0: 00000009 00000009 7ff00000 00000004 00000001 b6e92000 00020000 004ffe38 <0>[ 98.963757] dfe0: 00000004 bec2f7e8 b6f5833b b6ed1616 60080030 00000001 00000000 00000000 <0>[ 98.972213] Backtrace: <0>[ 98.974979] [] (lkdtm_WRITE_RO) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 98.983275] r5:c6b55000 r4:00000028 <0>[ 98.987149] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 98.995462] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 99.003678] r9:c46cdf60 r8:c30239c0 r7:00000009 r6:b6e92000 r5:c5fd77c0 r4:c0c592dc <0>[ 99.011730] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 99.019857] r9:c07e2978 r8:c46cdf60 r7:c290d000 r6:b6e92000 r5:c5fd77c0 r4:00000000 <0>[ 99.027899] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 99.035330] r10:00000004 r9:00000000 r8:00000000 r7:b6e92000 r6:c46cc000 r5:c5fd77c0 <0>[ 99.043440] r4:c5fd77c0 <0>[ 99.046273] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 99.053705] r9:c46cc000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000009 r4:00000009 <0>[ 99.061748] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 99.069603] Exception stack(0xc46cdfa8 to 0xc46cdff0) <0>[ 99.074949] dfa0: 00000009 00000009 00000001 b6e92000 00000009 00000001 <0>[ 99.083420] dfc0: 00000009 00000009 7ff00000 00000004 00000001 b6e92000 00020000 004ffe38 <0>[ 99.091885] dfe0: 00000004 bec2f7e8 b6f5833b b6ed1616 <0>[ 99.097231] Code: e34a3bcd e3030b58 e34c01ad e0233002 (e5843000) <4>[ 99.103622] ---[ end trace 6c61b7a51df8f46c ]--- # Segmentation fault # [ 98.634158] lkdtm: Performing direct entry WRITE_RO # [ 98.640827] lkdtm: attempting bad rodata write at c15ec2b8 # [ 98.649369] 8<--- cut here --- # [ 98.655116] Unable to handle kernel paging request at virtual address c15ec2b8 # [ 98.664862] pgd = e0976da3 # [ 98.670008] [c15ec2b8] *pgd=1141941e(bad) # [ 98.677161] Internal error: Oops: 80d [#12] SMP ARM # [ 98.685076] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore imx_ldb dw_hdmi_imx dw_hdmi parallel_display flexcan can_dev imxdrm caam error etnaviv gpu_sched imx_ipu_v3 # [ 98.720092] CPU: 3 PID: 2448 Comm: cat Tainted: G D W 5.10.217-cip47 #1 # [ 98.730956] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 98.739938] PC is at lkdtm_WRITE_RO+0x44/0x50 # [ 98.747413] LR is at 0x0 # [ 98.752555] pc : [] lr : [<00000000>] psr: 60080013 # [ 98.761175] sp : c46cde50 ip : 00000027 fp : c46cde64 # [ 98.768838] r10: 00000009 r9 : c1ad2d54 r8 : c15ec020 # [ 98.776674] r7 : c46cdf60 r6 : 00000009 r5 : c6b55000 r4 : c15ec2b8 # [ 98.785640] r3 : 0198b861 r2 : aa55aa55 r1 : ef7c05e4 r0 : c1ad3b58 # [ 98.794693] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 98.804437] Control: 10c5387d Table: 16dfc04a DAC: 00000051 # [ 98.812622] Process cat (pid: 2448, stack limit = 0x971c8b13) # [ 98.821065] Stack: (0xc46cde50 to 0xc46ce000) # [ 98.827866] de40: 00000028 c6b55000 c46cde74 c46cde68 # [ 98.838916] de60: c0c58efc c1397358 c46cde9c c46cde78 c0c593fc c0c58edc c0c592dc c5fd77c0 # [ 98.850050] de80: b6e92000 00000009 c30239c0 c46cdf60 c46cdec4 c46cdea0 c07e29dc c0c592e8 # [ 98.861100] dea0: 00000000 c5fd77c0 b6e92000 c290d000 c46cdf60 c07e2978 c46cdf5c c46cdec8 # [ 98.872234] dec0: c059c404 c07e2984 00000001 00000000 c059c9b0 c13ac870 c059c9b0 c46cc000 # [ 98.883370] dee0: b6e92000 00020000 00000004 00000009 0001fff7 c46cdee0 00000001 b6e91000 # [ 98.894501] df00: c5c5f7c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 98.905465] df20: 00000000 00000000 c13ac870 b16f3e08 c206b700 c5fd77c0 c5fd77c0 c46cc000 # [ 98.916515] df40: b6e92000 00000000 00000000 00000004 c46cdf94 c46cdf60 c059c9b0 c059c304 # [ 98.927563] df60: 00000000 00000000 c46cdfac b16f3e08 00000009 00000009 7ff00000 00000004 # [ 98.938350] df80: c03002e4 c46cc000 c46cdfa4 c46cdf98 c059ca40 c059c948 00000000 c46cdfa8 # [ 98.946819] dfa0: c03000c0 c059ca34 00000009 00000009 00000001 b6e92000 00000009 00000001 # [ 98.955289] dfc0: 00000009 00000009 7ff00000 00000004 00000001 b6e92000 00020000 004ffe38 # [ 98.963757] dfe0: 00000004 bec2f7e8 b6f5833b b6ed1616 60080030 00000001 00000000 00000000 # [ 98.972213] Backtrace: # [ 98.974979] [] (lkdtm_WRITE_RO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 98.983275] r5:c6b55000 r4:00000028 # [ 98.987149] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 98.995462] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 99.003678] r9:c46cdf60 r8:c30239c0 r7:00000009 r6:b6e92000 r5:c5fd77c0 r4:c0c592dc # [ 99.011730] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 99.019857] r9:c07e2978 r8:c46cdf60 r7:c290d000 r6:b6e92000 r5:c5fd77c0 r4:00000000 # [ 99.027899] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 99.035330] r10:00000004 r9:00<6>[ 99.560340] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT 000000 r8:00000000 r7:b6e92000 r6<6>[ 99.568373] lkdtm: attempting bad ro_after_init write at c1b84c74 :c46cc000 r5:c5fd77c0 # [ 99.0<1>[ 99.577638] 8<--- cut here --- 43440] r4:c5fd77c0 # <[1 > [ 9 99.583684] Unable to handle kernel paging request at virtual address c1b84c74 9.046273] [[c > ] 9(9.593508] pgd = 7881466e sys_write) from [] (sys<1>[ 99.598554] [c1b84c74] *pgd=11a1941e(bad) _write+0x18/0x1c) # [< 0 > [ 9 999.605687] Internal error: Oops: 80d [#13] SMP ARM .053705] r9:c46cc000 r8:c03002e4<4>[ 99.613076] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore imx_ldb dw_hdmi_imx dw_hdmi parallel_display flexcan can_dev imxdrm caam error etnaviv gpu_sched imx_ipu_v3 r7:00000004 r6:7ff00000 r5<:40>[ 99.648075] CPU: 1 PID: 2523 Comm: cat Tainted: G D W 5.10.217-cip47 #1 000009 r4:00000009< 4 >#[ [ 99.658585] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 99.061748] [] (sys_w[ 99.667548] PC is at lkdtm_WRITE_RO_AFTER_INIT+0x64/0x70 te) from [] (ref[a 99.675800] LR is at __irq_work_queue_local+0x40/0x74 st_syscall+0x0/0x<248>)[ # 9[.683532] pc : [] lr : [] psr: 60080013 99.069603] x[c e p t9i9o.n92136] sp : c6a65e50 ip : c6a65d58 fp : c6a65e64 stack(0xc46cdfa<84 >t[o 0 x9c9.699528] r10: 00000014 r9 : c1ad2d60 r8 : c15ec020 6cdff0) # [ 9<94.>0[7 4 9 4999.707091] r7 : c6a65f60 r6 : 00000014 r5 : c6b8f000 r4 : c1b84c74 dfa0: < 4 > [ 9 9.715956] r3 : fe67479e r2 : 55aa55aa r1 : ef7965e0 r0 : c1ad3b58 00000009 00000009 <040>0[0 0 0 099.724824] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none b6e92000 00000<040>9[ 0 09090.734382] Control: 10c5387d Table: 1690c04a DAC: 00000051 001 # [ 99.08342<00]> [d f c 09.742381] Process cat (pid: 2523, stack limit = 0xeb17b65e) : 00000009 000<000>0[0 9 79f9f.750552] Stack: (0xc6a65e50 to 0xc6a66000) 0000 00000004 0000000<10 >b[6 e 999.757166] 5e40: 00000029 c6b8f000 c6a65e74 c6a65e68 2000 00020000 004ffe38 <#0 >[[ 99.767857] 5e60: c0c58efc c13973a8 c6a65e9c c6a65e78 c0c593fc c0c58edc c0c592dc c5990dc0 99.091885] dfe0: 000<000>0[0 4 99.778718] 5e80: b6dfa000 00000014 c30239c0 c6a65f60 c6a65ec4 c6a65ea0 c07e29dc c0c592e8 bec2f7e8 b6f5833b b6ed<106>1[6 99.789406] 5ea0: 00000000 c5990dc0 b6dfa000 c290d000 c6a65f60 c07e2978 c6a65f5c c6a65ec8 # [ 99.097231] Code:< 0e>3[4 a 99.800181] 5ec0: c059c404 c07e2984 00000001 00000000 c059c9b0 c596d3a4 c059c9b0 c6a64000 bcd e3030b58 e34c01 [e 0 2 39.810956] 5ee0: b6dfa000 00020000 00000004 00000014 0001ffec c6a65ee0 00000001 00000805 3002 (e5843000) #< 0[> [ 9 99.821559] 5f00: c6a50140 00000000 00000000 00000000 00000000 00000000 00000000 00000000 .103622] ---[ end tra [6 c 699.832162] 5f20: 00000000 00000000 c6a64000 bda7295d b6df9000 c5990dc0 c5990dc0 c6a64000 1b7a51df8f46c ]--- # WT[E _ 99.842852] 5f40: b6dfa000 00000000 00000000 00000004 c6a65f94 c6a65f60 c059c9b0 c059c304 RO: missing 'call trac'[: 99.853627] 5f60: 00000000 00000000 c6a65fac bda7295d 00000014 00000014 7ff00000 00000004 FAIL] not ok 39 selfs[t s :99.864402] 5f80: c03002e4 c6a64000 c6a65fa4 c6a65f98 c059ca40 c059c948 00000000 c6a65fa8 lkdtm: WRITE_RO.sh # i[t = 99.875091] 5fa0: c03000c0 c059ca34 00000014 00000014 00000001 b6dfa000 00000014 00000001 # selftests: lkdtm: I[T E 99.885867] 5fc0: 00000014 00000014 7ff00000 00000004 00000001 b6dfa000 00020000 004cfe38 RO_AFTER_INIT.sh <0>[ 99.896641] 5fe0: 00000004 becac7e8 b6ec033b b6e39616 60080030 00000001 00000000 00000000 <0>[ 99.906630] Backtrace: <0>[ 99.909358] [] (lkdtm_WRITE_RO_AFTER_INIT) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 99.918585] r5:c6b8f000 r4:00000029 <0>[ 99.922431] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 99.930713] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 99.938901] r9:c6a65f60 r8:c30239c0 r7:00000014 r6:b6dfa000 r5:c5990dc0 r4:c0c592dc <0>[ 99.946922] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 99.955022] r9:c07e2978 r8:c6a65f60 r7:c290d000 r6:b6dfa000 r5:c5990dc0 r4:00000000 <0>[ 99.963036] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 99.970443] r10:00000004 r9:00000000 r8:00000000 r7:b6dfa000 r6:c6a64000 r5:c5990dc0 <0>[ 99.978537] r4:c5990dc0 <0>[ 99.981342] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 99.988749] r9:c6a64000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000014 r4:00000014 <0>[ 99.996762] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 100.004598] Exception stack(0xc6a65fa8 to 0xc6a65ff0) <0>[ 100.009917] 5fa0: 00000014 00000014 00000001 b6dfa000 00000014 00000001 <0>[ 100.018367] 5fc0: 00000014 00000014 7ff00000 00000004 00000001 b6dfa000 00020000 004cfe38 <0>[ 100.026812] 5fe0: 00000004 becac7e8 b6ec033b b6e39616 <0>[ 100.032134] Code: e34a3bcd e3030b58 e34c01ad e0233002 (e5843000) <4>[ 100.038499] ---[ end trace 6c61b7a51df8f46d ]--- # Segmentation fault # [ 99.560340] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT # [ 99.568373] lkdtm: attempting bad ro_after_init write at c1b84c74 # [ 99.577638] 8<--- cut here --- # [ 99.583684] Unable to handle kernel paging request at virtual address c1b84c74 # [ 99.593508] pgd = 7881466e # [ 99.598554] [c1b84c74] *pgd=11a1941e(bad) # [ 99.605687] Internal error: Oops: 80d [#13] SMP ARM # [ 99.613076] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore imx_ldb dw_hdmi_imx dw_hdmi parallel_display flexcan can_dev imxdrm caam error etnaviv gpu_sched imx_ipu_v3 # [ 99.648075] CPU: 1 PID: 2523 Comm: cat Tainted: G D W 5.10.217-cip47 #1 # [ 99.658585] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 99.667548] PC is at lkdtm_WRITE_RO_AFTER_INIT+0x64/0x70 # [ 99.675800] LR is at __irq_work_queue_local+0x40/0x74 # [ 99.683532] pc : [] lr : [] psr: 60080013 # [ 99.692136] sp : c6a65e50 ip : c6a65d58 fp : c6a65e64 # [ 99.699528] r10: 00000014 r9 : c1ad2d60 r8 : c15ec020 # [ 99.707091] r7 : c6a65f60 r6 : 00000014 r5 : c6b8f000 r4 : c1b84c74 # [ 99.715956] r3 : fe67479e r2 : 55aa55aa r1 : ef7965e0 r0 : c1ad3b58 # [ 99.724824] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 99.734382] Control: 10c5387d Table: 1690c04a DAC: 00000051 # [ 99.742381] Process cat (pid: 2523, stack limit = 0xeb17b65e) # [ 99.750552] Stack: (0xc6a65e50 to 0xc6a66000) # [ 99.757166] 5e40: 00000029 c6b8f000 c6a65e74 c6a65e68 # [ 99.767857] 5e60: c0c58efc c13973a8 c6a65e9c c6a65e78 c0c593fc c0c58edc c0c592dc c5990dc0 # [ 99.778718] 5e80: b6dfa000 00000014 c30239c0 c6a65f60 c6a65ec4 c6a65ea0 c07e29dc c0c592e8 # [ 99.789406] 5ea0: 00000000 c5990dc0 b6dfa000 c290d000 c6a65f60 c07e2978 c6a65f5c c6a65ec8 # [ 99.800181] 5ec0: c059c404 c07e2984 00000001 00000000 c059c9b0 c596d3a4 c059c9b0 c6a64000 # [ 99.810956] 5ee0: b6dfa000 00020000 00000004 00000014 0001ffec c6a65ee0 00000001 00000805 # [ 99.821559] 5f00: c6a50140 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 99.832162] 5f20: 00000000 00000000 c6a64000 bda7295d b6df9000 c5990dc0 c5990dc0 c6a64000 # [ 99.842852] 5f40: b6dfa000 00000000 00000000 00000004 c6a65f94 c6a65f60 c059c9b0 c059c304 # [ 99.853627] 5f60: 00000000 00000000 c6a65fac bda7295d 00000014 00000014 7ff00000 00000004 # [ 99.864402] 5f80: c03002e4 c6a64000 c6a65fa4 c6a65f98 c059ca40 c059c948 00000000 c6a65fa8 # [ 99.875091] 5fa0: c03000c0 c059ca34 00000014 00000014 00000001 b6dfa000 00000014 00000001 # [ 99.885867] 5fc0: 00000014 00000014 7ff00000 00000004 00000001 b6dfa000 00020000 004cfe38 # [ 99.896641] 5fe0: 00000004 becac7e8 b6ec033b b6e39616 60080030 00000001 00000000 00000000 # [ 99.906630] Backtrace: # [ 99.909358] [] (lkdtm_WRITE_RO_AFTER_INIT) from [] (lkdtm_do_action+0x2c/0x4c) # [ 99.918585] r5:c6b8f000 r4:00000029 # [ 99.922431] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 99.930713] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 99.938901] r9:c6a65f60 r8:c30239c0 r7:00000014 r6:b6dfa000 r5:c5990dc0 r4:c0c592dc # [ 99.946922] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 99.955022] r9:c07e2978 r8:c6a65f60 r7:c290d000 r6:b6dfa000 r5:c5990dc0 r4:00000000 # [ 99.963036] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 99.970443] r10:00000004 r9:00000000 r8:00000000 r7:b6dfa000 r6:c6a64000 r5:c5990dc0 # [ 99.978537] r4:c5990dc0 # [ 99.981342] [] (k<6>[ 100.478840] lkdtm: Performing direct entry WRITE_KERN sys_write) from [] (sys<6>[ 100.485458] lkdtm: attempting bad 7591432 byte write at c1397274 _write+0x18/0x1c) # [ 99.98874<1>[ 100.494512] 8<--- cut here --- <1>[ 100.500615] Unable to handle kernel paging request at virtual address c1397274 9] r9:c6a64000 r8:c030<012>e[4 100.508111] pgd = dff363b5 r7:00000004 r6:7ff00000 r5:000000<1>[ 100.513423] [c1397274] *pgd=1121940e(bad) 14 r4:00000014 # [ 99.996762] <0>[ 100.520569] Internal error: Oops: 80d [#14] SMP ARM [] (sys_write) from [[ 100.528564] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore imx_ldb dw_hdmi_imx dw_hdmi parallel_display flexcan can_dev imxdrm caam error etnaviv gpu_sched imx_ipu_v3 03000c0>] (ret_fast_syscall+0x0/0<4>[ 100.563570] CPU: 2 PID: 2598 Comm: cat Tainted: G D W 5.10.217-cip47 #1 x28) # [ 100.004598] Exceptio[ 100.574426] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) stack(0xc6a65fa8 to 0xc6a65ff0) <4>[ 100.583924] PC is at memcpy+0x50/0x330 # [ 100.009917] 5fa0: <4>[ 100.590783] LR is at 0xe92dd830 00000014 00000014 00<040[ 100.597046] pc : [] lr : [] psr: 20080013 0001 b6dfa000 00000014 000000<041[ 100.606175] sp : c46cde2c ip : e1a0c00d fp : c46cde64 # [ 100.018367] 5fc0: 0<040>0[ 100.614262] r10: 0000000b r9 : c1ad2d74 r8 : e89da800 014 00000014 7ff00000 000000<044>[ 100.622265] r7 : e8bd4000 r6 : e52de004 r5 : e24cb004 r4 : e92dd800 00000001 b6dfa000 00020000 0<044>[ 100.631655] r3 : e1a0c00d r2 : 0073d568 r1 : c0c59c8c r0 : c1397274 fe38 # [ 100.026812] 5fe0: 0000<4>[ 100.641050] Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none 0004 becac7e8 b6ec033b b6e396<146[ 100.651305] Control: 10c5387d Table: 15f6c04a DAC: 00000051 # [ 100.032134] Code: e34a3bc<0>[ 100.659917] Process cat (pid: 2598, stack limit = 0x971c8b13) d e3030b58 e34c01ad e0233002 <(0e[ 100.668697] Stack: (0xc46cde2c to 0xc46ce000) 5843000) # [ 100.038499] ---[ <0>[ 100.675928] de20: c0c59c6c 0073d608 c46cdf60 c15ec020 c1397274 end trace 6c61b7a51df8f46d ]--- <0>[ 100.687233] de40: c1397274 c1397458 0000002a c6c00000 0000000b c46cdf60 c46cde74 c46cde68 # WRITE_RO_AFTER_INIT: missing 'c<0>[ 100.698529] de60: c0c58efc c1397418 c46cde9c c46cde78 c0c593fc c0c58edc c0c592dc c6a50280 all trace:': [FAIL] not ok 40 se<0>[ 100.709831] de80: b6df6000 0000000b c30239c0 c46cdf60 c46cdec4 c46cdea0 c07e29dc c0c592e8 lftests: lkdtm: WRITE_RO_AFTER_IN<0>[ 100.721131] dea0: 00000000 c6a50280 b6df6000 c290d000 c46cdf60 c07e2978 c46cdf5c c46cdec8 IT.sh # exit=1 # selftests: lkdt<0>[ 100.732432] dec0: c059c404 c07e2984 00000001 00000000 c059c9b0 c595fa24 c059c9b0 c46cc000 m: WRITE_KERN.sh <0>[ 100.743731] dee0: b6df6000 00020000 00000004 0000000b 0001fff5 c46cdee0 00000001 00000805 <0>[ 100.753728] df00: c6d90500 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 100.762199] df20: 00000000 00000000 c46cc000 79f2df55 b6df5000 c6a50280 c6a50280 c46cc000 <0>[ 100.770668] df40: b6df6000 00000000 00000000 00000004 c46cdf94 c46cdf60 c059c9b0 c059c304 <0>[ 100.779140] df60: 00000000 00000000 c46cdfac 79f2df55 0000000b 0000000b 7ff00000 00000004 <0>[ 100.787609] df80: c03002e4 c46cc000 c46cdfa4 c46cdf98 c059ca40 c059c948 00000000 c46cdfa8 <0>[ 100.796078] dfa0: c03000c0 c059ca34 0000000b 0000000b 00000001 b6df6000 0000000b 00000001 <0>[ 100.804548] dfc0: 0000000b 0000000b 7ff00000 00000004 00000001 b6df6000 00020000 0049fe38 <0>[ 100.813017] dfe0: 00000004 becbd7e8 b6ebc33b b6e35616 60080030 00000001 00000000 00000000 <0>[ 100.821472] Backtrace: <0>[ 100.824243] [] (lkdtm_WRITE_KERN) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 100.832715] r7:c46cdf60 r6:0000000b r5:c6c00000 r4:0000002a <0>[ 100.838671] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 100.846984] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 100.855196] r9:c46cdf60 r8:c30239c0 r7:0000000b r6:b6df6000 r5:c6a50280 r4:c0c592dc <0>[ 100.863247] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 100.871373] r9:c07e2978 r8:c46cdf60 r7:c290d000 r6:b6df6000 r5:c6a50280 r4:00000000 <0>[ 100.879414] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 100.886843] r10:00000004 r9:00000000 r8:00000000 r7:b6df6000 r6:c46cc000 r5:c6a50280 <0>[ 100.894953] r4:c6a50280 <0>[ 100.897785] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 100.905216] r9:c46cc000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000000b r4:0000000b <0>[ 100.913258] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 100.921113] Exception stack(0xc46cdfa8 to 0xc46cdff0) <0>[ 100.926455] dfa0: 0000000b 0000000b 00000001 b6df6000 0000000b 00000001 <0>[ 100.934928] dfc0: 0000000b 0000000b 7ff00000 00000004 00000001 b6df6000 00020000 0049fe38 <0>[ 100.943392] dfe0: 00000004 becbd7e8 b6ebc33b b6e35616 <0>[ 100.948740] Code: f5d1f05c f5d1f07c e8b151f8 e2522020 (e8a051f8) <4>[ 100.955130] ---[ end trace 6c61b7a51df8f46e ]--- # Segmentation fault # [ 100.478840] lkdtm: Performing direct entry WRITE_KERN # [ 100.485458] lkdtm: attempting bad 7591432 byte write at c1397274 # [ 100.494512] 8<--- cut here --- # [ 100.500615] Unable to handle kernel paging request at virtual address c1397274 # [ 100.508111] pgd = dff363b5 # [ 100.513423] [c1397274] *pgd=1121940e(bad) # [ 100.520569] Internal error: Oops: 80d [#14] SMP ARM # [ 100.528564] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore imx_ldb dw_hdmi_imx dw_hdmi parallel_display flexcan can_dev imxdrm caam error etnaviv gpu_sched imx_ipu_v3 # [ 100.563570] CPU: 2 PID: 2598 Comm: cat Tainted: G D W 5.10.217-cip47 #1 # [ 100.574426] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 100.583924] PC is at memcpy+0x50/0x330 # [ 100.590783] LR is at 0xe92dd830 # [ 100.597046] pc : [] lr : [] psr: 20080013 # [ 100.606175] sp : c46cde2c ip : e1a0c00d fp : c46cde64 # [ 100.614262] r10: 0000000b r9 : c1ad2d74 r8 : e89da800 # [ 100.622265] r7 : e8bd4000 r6 : e52de004 r5 : e24cb004 r4 : e92dd800 # [ 100.631655] r3 : e1a0c00d r2 : 0073d568 r1 : c0c59c8c r0 : c1397274 # [ 100.641050] Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 100.651305] Control: 10c5387d Table: 15f6c04a DAC: 00000051 # [ 100.659917] Process cat (pid: 2598, stack limit = 0x971c8b13) # [ 100.668697] Stack: (0xc46cde2c to 0xc46ce000) # [ 100.675928] de20: c0c59c6c 0073d608 c46cdf60 c15ec020 c1397274 # [ 100.687233] de40: c1397274 c1397458 0000002a c6c00000 0000000b c46cdf60 c46cde74 c46cde68 # [ 100.698529] de60: c0c58efc c1397418 c46cde9c c46cde78 c0c593fc c0c58edc c0c592dc c6a50280 # [ 100.709831] de80: b6df6000 0000000b c30239c0 c46cdf60 c46cdec4 c46cdea0 c07e29dc c0c592e8 # [ 100.721131] dea0: 00000000 c6a50280 b6df6000 c290d000 c46cdf60 c07e2978 c46cdf5c c46cdec8 # [ 100.732432] dec0: c059c404 c07e2984 00000001 00000000 c059c9b0 c595fa24 c059c9b0 c46cc000 # [ 100.743731] dee0: b6df6000 00020000 00000004 0000000b 0001fff5 c46cdee0 00000001 00000805 # [ 100.753728] df00: c6d90500 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 100.762199] df20: 00000000 00000000 c46cc000 79f2df55 b6df5000 c6a50280 c6a50280 c46cc000 # [ 100.770668] df40: b6df6000 00000000 00000000 00000004 c46cdf94 c46cdf60 c059c9b0 c059c304 # [ 100.779140] df60: 00000000 00000000 c46cdfac 79f2df55 0000000b 0000000b 7ff00000 00000004 # [ 100.787609] df80: c03002e4 c46cc000 c46cdfa4 c46cdf98 c059ca40 c059c948 00000000 c46cdfa8 # [ 100.796078] dfa0: c03000c0 c059ca34 0000000b 0000000b 00000001 b6df6000 0000000b 00000001 # [ 100.804548] dfc0: 0000000b 0000000b 7ff00000 00000004 00000001 b6df6000 00020000 0049fe38 # [ 100.813017] dfe0: 00000004 becbd7e8 b6ebc33b b6e35616 60080030 00000001 00000000 00000000 # [ 100.821472] Backtrace: # [ 100.824243] [] (lkdtm_WRITE_KERN) from [] (lkdtm_do_action+0x2c/0x4c) # [ 100.832715] r7:c46cdf60 r6:0000000b r5:c6c00000 r4:0000002a # [ 100.838671] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 100.846984] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 100.855196] r9:c46cdf60 r8:c30239c0 r7:0000000b r6:b6df6000 r5:c6a50280 r4:c0c592dc # [ 100.863247] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 100.871373] r9:c07e2978 r8:c46cdf60 r7:c290d000 r6:b6df6000 r5:c6a50280 r4:00000000 # [ 100.879414] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 100.886843] r10:00000004 r9:00000000 r8:00000000 r7:b6df6000 r6:c46cc000 r5:c6a50280 # [ 100.894953] r<6>[ 101.425513] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW 4:c6a50280 # [ 100.897785] [[ 101.433798] lkdtm: attempting good refcount_inc() without overflow 59c93c>] (ksys_write) from [[ 101.443008] lkdtm: attempting bad refcount_inc() overflow ca40>] (sys_write+0x18/0x1c) # [<4>[ 101.451605] ------------[ cut here ]------------ 100.905216] r9:c46cc000 r8:c03<4>[ 101.459245] WARNING: CPU: 3 PID: 2674 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 002e4 r7:00000004 r6:7ff00000 r5:<4>[ 101.470827] refcount_t: saturated; leaking memory. 0000000b r4:0000000b # [ 100.91<4>[ 101.478693] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore imx_ldb dw_hdmi_imx dw_hdmi parallel_display flexcan can_dev imxdrm caam error etnaviv gpu_sched imx_ipu_v3 3258] [] (sys_write) fr<4>[ 101.513735] CPU: 3 PID: 2674 Comm: cat Tainted: G D W 5.10.217-cip47 #1 om [0[> ] 1(01r.e5t2_555] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) fast_syscall+0x0/08[) 1#01.533079] Backtrace: [ 100.921113] Exception stack(0x<4>[ 101.537973] [] (dump_backtrace) from [] (show_stack+0x20/0x24) c46cdfa8 to 0xc46cd0[) 1#1.548653] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1ced8 [ 100.926455] dfa0: < 4 > [ 101.556744] [] (show_stack) from [] (dump_stack+0xe0/0x100) 0000000b 00000<040>b[ 101.566659] [] (dump_stack) from [] (__warn+0x98/0x14c) 00000001 b6df600<04 >0[0 0 010001.576390] r9:00000009 r8:c0875fd4 r7:00000016 r6:00000009 r5:c0875fd4 r4:c1a26d58 b 00000001 # [ 100.9<344>9[2 8 101.586478] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) dfc0: 000000<04b> [0 0 0100010.096558] r7:00000016 r6:c1a26d58 r5:c1a26d30 r4:c2fc8000 b 7ff00000 00000004< 40>0[0 0 0101.604389] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) 01 b6df6000 00020<040>0[ 0 01409.615775] r9:c1ad2d80 r8:c15ec020 r7:c2fc9f60 r6:00000016 r5:c6b53000 r4:c2fc8000 fe38 # [ 100.943392] dfe<04:> [ 101.625866] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) 0000004 becbd7e8 b6ebc<343>b[ b 101.638293] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_OVERFLOW+0x78/0x9c) e35616 # [ 100.948<744>0[] C101.650979] [] (lkdtm_REFCOUNT_INC_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) de: f5d1f05f[5 d 11f0017.c6 2621] r4:0000002b e8b151f8 e2522020 (e<84a>0[5 1 f101.667242] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) ) # [ 100.955130] ---[ d[ 101.677766] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) trace 6c61b7a51df8f46][- - -01.688454] r9:c2fc9f60 r8:c30239c0 r7:00000016 r6:b6df6000 r5:c5ae3b80 r4:c0c592dc # WRITE_KERN: missing 'cal[ 101.698718] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) race:': [FAIL] < 4n>o[t o1k0 14709402] r9:c07e2978 r8:c2fc9f60 r7:c290d000 r6:b6df6000 r5:c5ae3b80 r4:00000000 1 selftests: lkdtm:< 4W>R[I T E1_1.719403] [] (vfs_write) from [] (ksys_write+0x74/0xec) KERN.sh # exit=1< 4 >#[ s e1l0f1.728966] r10:00000004 r9:00000000 r8:00000000 r7:b6df6000 r6:c2fc8000 r5:c5ae3b80 ests: d[t m :1 0R1E.F7C3O9U131] r4:c5ae3b80 T_INC_OVERFLOW.sh <4>[ 101.743583] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 101.752623] r9:c2fc8000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000016 r4:00000016 <4>[ 101.760639] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 101.768476] Exception stack(0xc2fc9fa8 to 0xc2fc9ff0) <4>[ 101.773796] 9fa0: 00000016 00000016 00000001 b6df6000 00000016 00000001 <4>[ 101.782243] 9fc0: 00000016 00000016 7ff00000 00000004 00000001 b6df6000 00020000 004ffe38 <4>[ 101.790689] 9fe0: 00000004 becce7e8 b6ebc33b b6e35616 <4>[ 101.796064] irq event stamp: 0 <4>[ 101.799403] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 101.805292] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 101.813078] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 101.820908] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 101.826756] ---[ end trace 6c61b7a51df8f46f ]--- <6>[ 101.831678] lkdtm: Overflow detected: saturated <3>[ 127.840598] rcu: INFO: rcu_sched self-detected stall on CPU <3>[ 127.846458] rcu: 0-....: (1 GPs behind) idle=136/1/0x40000002 softirq=6673/6674 fqs=1300 <4>[ 127.854990] (t=2600 jiffies g=6989 q=75) <4>[ 127.859268] NMI backtrace for cpu 0 <4>[ 127.863030] CPU: 0 PID: 71 Comm: kworker/u9:0 Tainted: G D W 5.10.217-cip47 #1 <4>[ 127.871646] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 127.878457] Workqueue: xprtiod xs_stream_data_receive_workfn <4>[ 127.884387] Backtrace: <4>[ 127.887122] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 127.894962] r7:ffffffff r6:600e0193 r5:00000000 r4:c1f1ced8 <4>[ 127.900895] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 127.908481] [] (dump_stack) from [] (nmi_cpu_backtrace+0xd0/0xfc) <4>[ 127.916582] r9:c19dac48 r8:c1408220 r7:00000000 r6:00000000 r5:00000000 r4:00000000 <4>[ 127.924597] [] (nmi_cpu_backtrace) from [] (nmi_trigger_cpumask_backtrace+0x11c/0x17c) <4>[ 127.934517] r5:c1e16800 r4:c03115d8 <4>[ 127.938369] [] (nmi_trigger_cpumask_backtrace) from [] (arch_trigger_cpumask_backtrace+0x20/0x24) <4>[ 127.949249] r9:c19dac48 r8:c2069d60 r7:c1e15d9c r6:c1ea9300 r5:c1ea9300 r4:00000000 <4>[ 127.957264] [] (arch_trigger_cpumask_backtrace) from [] (rcu_dump_cpu_stacks+0x104/0x13c) <4>[ 127.967454] [] (rcu_dump_cpu_stacks) from [] (rcu_sched_clock_irq+0xd40/0x102c) <4>[ 127.976769] r10:c1e16560 r9:c1dad480 r8:c206b020 r7:c1e15d98 r6:ef78e480 r5:c1e167f4 <4>[ 127.984863] r4:c1ea9300 <4>[ 127.987673] [] (rcu_sched_clock_irq) from [] (update_process_times+0x6c/0x8c) <4>[ 127.996814] r10:c2f88000 r9:ef786a20 r8:ef7869c0 r7:c34317b0 r6:c2f89c78 r5:c2f88000 <4>[ 128.004909] r4:00000000 <4>[ 128.007716] [] (update_process_times) from [] (tick_sched_handle+0x64/0x68) <4>[ 128.016679] r5:0000001d r4:ef786f68 <4>[ 128.020524] [] (tick_sched_handle) from [] (tick_sched_timer+0x5c/0xbc) <4>[ 128.029145] [] (tick_sched_timer) from [] (__hrtimer_run_queues+0x2d0/0x578) <4>[ 128.038199] r9:ef786a20 r8:ef7869c0 r7:c042297c r6:00000000 r5:c1e15d98 r4:ef786f68 <4>[ 128.046214] [] (__hrtimer_run_queues) from [] (hrtimer_interrupt+0x13c/0x35c) <4>[ 128.055356] r10:ef786b18 r9:ef786ae0 r8:ef786b20 r7:c343127b r6:0000001d r5:600e0193 <4>[ 128.063450] r4:ef7869c0 <4>[ 128.066257] [] (hrtimer_interrupt) from [] (twd_handler+0x40/0x48) <4>[ 128.074443] r10:0000000c r9:c2f89c78 r8:c1e15d98 r7:00000018 r6:c1e16880 r5:c2971700 <4>[ 128.082536] r4:00000001 <4>[ 128.085348] [] (twd_handler) from [] (handle_percpu_devid_irq+0xe0/0x348) <4>[ 128.094138] r5:c2971700 r4:c2959400 <4>[ 128.097987] [] (handle_percpu_devid_irq) from [] (__handle_domain_irq+0x8c/0xe0) <4>[ 128.107389] r9:c2f89c78 r8:c281c400 r7:00000001 r6:00000000 r5:00000000 r4:c1dab49c <4>[ 128.115406] [] (__handle_domain_irq) from [] (gic_handle_irq+0xa0/0xc0) <4>[ 128.124025] r9:c2f89c78 r8:f400010c r7:c1dab4c0 r6:f4000100 r5:c1f1d844 r4:c1e16880 <4>[ 128.132037] [] (gic_handle_irq) from [] (__irq_svc+0x70/0x98) <4>[ 128.139786] Exception stack(0xc2f89c78 to 0xc2f89cc0) <4>[ 128.145105] 9c60: c035fb70 ffffe000 <4>[ 128.153552] 9c80: 00000000 c2f88000 00000001 c10fcbec ffffe000 a59c7c98 0000000c c5c005d4 <4>[ 128.161998] 9ca0: 0000000c c2f89ce4 c2f89ca0 c2f89cc8 c0478294 c035fb74 600e0013 ffffffff <4>[ 128.170444] r9:c2f88000 r8:0000000c r7:c2f89cac r6:ffffffff r5:600e0013 r4:c035fb74 <4>[ 128.178465] [] (__local_bh_enable_ip) from [] (_raw_spin_unlock_bh+0x3c/0x40) <4>[ 128.187604] r7:a59c7c98 r6:c11f64f4 r5:c5c00070 r4:c10fcbec <4>[ 128.193539] [] (_raw_spin_unlock_bh) from [] (release_sock+0x8c/0xa8) <4>[ 128.201982] r5:c5c00070 r4:c5c00000 <4>[ 128.205832] [] (release_sock) from [] (tcp_recvmsg+0x310/0xb10) <4>[ 128.213756] r7:a59c7c98 r6:00000124 r5:c5c00000 r4:c6b1a0c0 <4>[ 128.219688] [] (tcp_recvmsg) from [] (inet_recvmsg+0x8c/0x294) <4>[ 128.227527] r10:c6d09400 r9:c5b5b000 r8:c5c00000 r7:0000000c r6:c2f89e78 r5:c2f88000 <4>[ 128.235621] r4:c11f61e4 <4>[ 128.238425] [] (inet_recvmsg) from [] (sock_recvmsg+0x28/0x2c) <4>[ 128.246263] r10:c6d09400 r9:c5b5b000 r8:0000000c r7:00000578 r6:00000000 r5:c5b5b5c4 <4>[ 128.254358] r4:c123d6fc <4>[ 128.257168] [] (sock_recvmsg) from [] (xs_stream_data_receive_workfn+0x110/0x668) <4>[ 128.266653] r5:c5b5b5c4 r4:c6378680 <4>[ 128.270507] [] (xs_stream_data_receive_workfn) from [] (process_one_work+0x2c4/0x7bc) <4>[ 128.280345] r10:c1e15d98 r9:c206ab80 r8:c2f88000 r7:c2efe100 r6:c2e3a000 r5:c2dfde80 <4>[ 128.288440] r4:c5b5b5c4 <4>[ 128.291247] [] (process_one_work) from [] (worker_thread+0x68/0x590) <4>[ 128.299606] r10:00000088 r9:c2f88000 r8:c1e05d00 r7:c2e3a038 r6:c2dfde94 r5:c2e3a000 <4>[ 128.307701] r4:c2dfde80 <4>[ 128.310511] [] (worker_thread) from [] (kthread+0x174/0x180) <4>[ 128.318177] r10:c2c11844 r9:c2dfde80 r8:c037cb68 r7:c29bfce4 r6:c2eff2c0 r5:c2f88000 <4>[ 128.326271] r4:c2c11800 <4>[ 128.329077] [] (kthread) from [] (ret_from_fork+0x14/0x20) <4>[ 128.336565] Exception stack(0xc2f89fb0 to 0xc2f89ff8) <4>[ 128.341883] 9fa0: 00000000 00000000 00000000 00000000 <4>[ 128.350328] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <4>[ 128.358773] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 <4>[ 128.365656] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:c0384a08 <4>[ 128.373751] r4:c2eff2c0 r3:c2f88000 # not ok 42 selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh # TIMEOUT 45 seconds # selftests: lkdtm: REFCOUNT_ADD_OVERFLOW.sh <6>[ 146.509004] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW <6>[ 146.515434] lkdtm: attempting good refcount_add() without overflow <6>[ 146.521987] lkdtm: attempting bad refcount_add() overflow <4>[ 146.527667] ------------[ cut here ]------------ <4>[ 146.532644] WARNING: CPU: 2 PID: 2705 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 <4>[ 146.541440] refcount_t: saturated; leaking memory. <4>[ 146.546543] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore imx_ldb dw_hdmi_imx dw_hdmi parallel_display flexcan can_dev imxdrm caam error etnaviv gpu_sched imx_ipu_v3 <4>[ 146.579450] CPU: 2 PID: 2705 Comm: cat Tainted: G D W 5.10.217-cip47 #1 <4>[ 146.587468] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 146.594262] Backtrace: <4>[ 146.596999] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 146.604840] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1ced8 <4>[ 146.610774] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 146.618359] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 146.625591] r9:00000009 r8:c0875fd4 r7:00000016 r6:00000009 r5:c0875fd4 r4:c1a26d58 <4>[ 146.633607] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 146.641360] r7:00000016 r6:c1a26d58 r5:c1a26d30 r4:c68ac000 <4>[ 146.647295] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) <4>[ 146.656525] r9:c1ad2d98 r8:c15ec020 r7:c68adf60 r6:00000016 r5:c6c00000 r4:c68ac000 <4>[ 146.664544] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) <4>[ 146.674470] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_OVERFLOW+0x84/0xa8) <4>[ 146.684828] [] (lkdtm_REFCOUNT_ADD_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 146.694225] r4:0000002c <4>[ 146.697031] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 146.705312] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 146.713500] r9:c68adf60 r8:c30239c0 r7:00000016 r6:b6de7000 r5:c5adba40 r4:c0c592dc <4>[ 146.721520] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 146.729620] r9:c07e2978 r8:c68adf60 r7:c290d000 r6:b6de7000 r5:c5adba40 r4:00000000 <4>[ 146.737633] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 146.745039] r10:00000004 r9:00000000 r8:00000000 r7:b6de7000 r6:c68ac000 r5:c5adba40 <4>[ 146.753133] r4:c5adba40 <4>[ 146.755940] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 146.763348] r9:c68ac000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000016 r4:00000016 <4>[ 146.771363] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 146.779198] Exception stack(0xc68adfa8 to 0xc68adff0) <4>[ 146.784521] dfa0: 00000016 00000016 00000001 b6de7000 00000016 00000001 <4>[ 146.792970] dfc0: 00000016 00000016 7ff00000 00000004 00000001 b6de7000 00020000 0046fe38 <4>[ 146.801414] dfe0: 00000004 be8f17e8 b6ead33b b6e26616 <4>[ 146.806800] irq event stamp: 0 <4>[ 146.810136] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 146.816013] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 146.823802] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 146.831593] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 146.837444] ---[ end trace 6c61b7a51df8f470 ]--- <6>[ 146.842377] lkdtm: Overflow detected: saturated # [ 146.509004] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW # [ 146.515434] lkdtm: attempting good refcount_add() without overflow # [ 146.521987] lkdtm: attempting bad refcount_add() overflow # [ 146.527667] ------------[ cut here ]------------ # [ 146.532644] WARNING: CPU: 2 PID: 2705 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 146.541440] refcount_t: saturated; leaking memory. # [ 146.546543] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore imx_ldb dw_hdmi_imx dw_hdmi parallel_display flexcan can_dev imxdrm caam error etnaviv gpu_sched imx_ipu_v3 # [ 146.579450] CPU: 2 PID: 2705 Comm: cat Tainted: G D W 5.10.217-cip47 #1 # [ 146.587468] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 146.594262] Backtrace: # [ 146.596999] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 146.604840] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1ced8 # [ 146.610774] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 146.618359] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 146.625591] r9:00000009 r8:c0875fd4 r7:00000016 r6:00000009 r5:c0875fd4 r4:c1a26d58 # [ 146.633607] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 146.641360] r7:00000016 r6:c1a26d58 r5:c1a26d30 r4:c68ac000 # [ 146.647295] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 146.656525] r9:c1ad2d98 r8:c15ec020 r7:c68adf60 r6:00000016 r5:c6c00000 r4:c68ac000 # [ 146.664544] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 146.674470] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_OVERFLOW+0x84/0xa8) # [ 146.684828] [] (lkdtm_REFCOUNT_ADD_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 146.694225] r4:0000002c # [ 146.697031] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 146.705312] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 146.713500] r9:c68adf60 r8:c30239c0 r7:00000016 r6:b6de7000 r5:c5adba40 r4:c0c592dc # [ 146.721520] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 146.729620] r9:c07e2978 r8:c68adf60 r7:c290d000 r6:b6de7000 r5:c5adba40 r4:00000000 # [ 146.737633] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 146.745039] r10:00000004 r9:00000000 r8:00000000 r7:b6de7000 r6:c68ac000 r5:c5adba40 # [ 146.753133] r4:c5adba40 # [ 146.755940] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 146.763348] r9:c68ac000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000016 r4:00000016 # [ 146.771363] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 146.779198] Exception stack(0xc68adfa8 to 0xc68adff0) # [ 146.784521] dfa0: 00000016 00000016 00000001 b6de7000 00000016 00000001 # [ 146.792970] dfc0: 00000016 00000016 7ff00000 00000004 00000001 b6de7000 00020000 0046fe38 # [ 146.801414] dfe0: 00000004 be8f17e8 b6ead33b b6e26616 # [ 146.806800] irq event stamp: 0 # [ 146.810136] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 146.816013] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 146.823802] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 146.831593] softirqs last disabled at (0): [<00000000><6>[ 147.255858] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW ] 0x0 # [ 146.837444] ---[ end <6>[ 147.264814] lkdtm: attempting bad refcount_inc_not_zero() overflow trace 6c61b7a51df8f470 ]--- # [ <4>[ 147.274211] ------------[ cut here ]------------ 146.842377] lkdtm: Overflow dete<4>[ 147.281996] WARNING: CPU: 0 PID: 2740 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 cted: saturated # REFCOUNT_ADD_O<4>[ 147.293558] refcount_t: saturated; leaking memory. VERFLOW: missing 'call trace:': [<4>[ 147.301576] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore imx_ldb dw_hdmi_imx dw_hdmi parallel_display flexcan can_dev imxdrm caam error etnaviv gpu_sched imx_ipu_v3 FAIL] not ok 43 selftests: lkdtm<4>[ 147.336539] CPU: 0 PID: 2740 Comm: cat Tainted: G D W 5.10.217-cip47 #1 <4>[ 147.347362] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 147.354158] Backtrace: <4>[ 147.356893] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 147.364733] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1ced8 <4>[ 147.370666] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 147.378251] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 147.385482] r9:00000009 r8:c0875fa0 r7:00000013 r6:00000009 r5:c0875fa0 r4:c1a26d58 <4>[ 147.393497] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 147.401249] r7:00000013 r6:c1a26d58 r5:c1a26d30 r4:c6a64000 <4>[ 147.407180] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) <4>[ 147.416408] r9:c1ad2db0 r8:c15ec020 r7:c6a65f60 r6:0000001f r5:c5fb7000 r4:7fffffff <4>[ 147.424426] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) <4>[ 147.435133] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x50/0x88) <4>[ 147.447049] r5:c5fb7000 r4:c6a64000 <4>[ 147.450898] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 147.461076] r4:0000002d <4>[ 147.463879] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 147.472160] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 147.480347] r9:c6a65f60 r8:c30239c0 r7:0000001f r6:b6e35000 r5:c5a7b540 r4:c0c592dc <4>[ 147.488367] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 147.496467] r9:c07e2978 r8:c6a65f60 r7:c290d000 r6:b6e35000 r5:c5a7b540 r4:00000000 <4>[ 147.504479] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 147.511885] r10:00000004 r9:00000000 r8:00000000 r7:b6e35000 r6:c6a64000 r5:c5a7b540 <4>[ 147.519980] r4:c5a7b540 <4>[ 147.522786] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 147.530191] r9:c6a64000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000001f r4:0000001f <4>[ 147.538208] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 147.546044] Exception stack(0xc6a65fa8 to 0xc6a65ff0) <4>[ 147.551366] 5fa0: 0000001f 0000001f 00000001 b6e35000 0000001f 00000001 <4>[ 147.559813] 5fc0: 0000001f 0000001f 7ff00000 00000004 00000001 b6e35000 00020000 004efe38 <4>[ 147.568257] 5fe0: 00000004 be9ea7e8 b6efb33b b6e74616 : REFCOUNT_ADD_OVERFLOW.sh # exit<4>[ 147.573648] irq event stamp: 0 =1 # selftests: lkdtm: REFCOUNT_<4>[ 147.579833] hardirqs last enabled at (0): [<00000000>] 0x0 INC_NOT_ZERO_OVERFLOW.sh <4>[ 147.588590] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 147.598584] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 147.606370] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 147.612243] ---[ end trace 6c61b7a51df8f471 ]--- <6>[ 147.617135] lkdtm: Overflow detected: saturated # [ 147.255858] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 147.264814] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 147.274211] ------------[ cut here ]------------ # [ 147.281996] WARNING: CPU: 0 PID: 2740 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 147.293558] refcount_t: saturated; leaking memory. # [ 147.301576] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore imx_ldb dw_hdmi_imx dw_hdmi parallel_display flexcan can_dev imxdrm caam error etnaviv gpu_sched imx_ipu_v3 # [ 147.336539] CPU: 0 PID: 2740 Comm: cat Tainted: G D W 5.10.217-cip47 #1 # [ 147.347362] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 147.354158] Backtrace: # [ 147.356893] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 147.364733] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1ced8 # [ 147.370666] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 147.378251] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 147.385482] r9:00000009 r8:c0875fa0 r7:00000013 r6:00000009 r5:c0875fa0 r4:c1a26d58 # [ 147.393497] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 147.401249] r7:00000013 r6:c1a26d58 r5:c1a26d30 r4:c6a64000 # [ 147.407180] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 147.416408] r9:c1ad2db0 r8:c15ec020 r7:c6a65f60 r6:0000001f r5:c5fb7000 r4:7fffffff # [ 147.424426] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 147.435133] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x50/0x88) # [ 147.447049] r5:c5fb7000 r4:c6a64000 # [ 147.450898] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 147.461076] r4:0000002d # [ 147.463879] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 147.472160] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 147.480347] r9:c6a65f60 r8:c30239c0 r7:0000001f r6:b6e35000 r5:c5a7b540 r4:c0c592dc # [ 147.488367] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 147.496467] r9:c07e2978 r8:c6a65f60 r7:c290d000 r6:b6e35000 r5:c5a7b540 r4:00000000 # [ 147.504479] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 147.511885] r10:00000004 r9:00000000 r8:00000000 r7:b6e35000 r6:c6a64000 r5:c5a7b540 # [ 147.519980] r4:c5a7b540 # [ 147.522786] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 147.530191] r9:c6a64000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000001f r4:0000001f # [ 147.538208] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 147.546044] Exception stack(0xc6a65fa8 to 0xc6a65ff0) # [ 147.551366] 5fa0: 0000001f 0000001f 00000001 b6e35000 0000001f 00000001 # [ 147.559813] 5fc0: 0000001f 0000001f 7ff00000 00000004 00000001 b6e35000 00020000 004efe38 # [ 147.568257] 5fe0: 00000004 be9ea7e8 b6efb33b b6e74616 # [ 147.573648] irq event stamp: 0 # [ 147.579833] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 147.588590] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 147.598584] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 147.606370] softirqs last disabled at (0): [<00000000>] 0x0 # [ 147.612243] ---[ end trace 6c61b7a51df8f471 ]--- # [ 147.617135] lkdtm: Overflow detected: sa<6>[ 148.049176] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW turated # REFCOUNT_INC_NOT_ZERO_<6>[ 148.057849] lkdtm: attempting bad refcount_add_not_zero() overflow OVERFLOW: missing 'call trace:': <4>[ 148.067225] ------------[ cut here ]------------ [FAIL] not ok 44 selftests: lkdt<4>[ 148.074909] WARNING: CPU: 3 PID: 2775 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 m: REFCOUNT_INC_NOT_ZERO_OVERFLOW<4>[ 148.086422] refcount_t: saturated; leaking memory. .sh # exit=1 # selftests: lkdtm:<4>[ 148.094338] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore imx_ldb dw_hdmi_imx dw_hdmi parallel_display flexcan can_dev imxdrm caam error etnaviv gpu_sched imx_ipu_v3 REFCOUNT_ADD_NOT_ZERO_OVERFLOW.s<4>[ 148.129350] CPU: 3 PID: 2775 Comm: cat Tainted: G D W 5.10.217-cip47 #1 h <4>[ 148.140172] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 148.147219] Backtrace: <4>[ 148.149955] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 148.157795] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1ced8 <4>[ 148.163729] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 148.171313] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 148.178545] r9:00000009 r8:c0875fa0 r7:00000013 r6:00000009 r5:c0875fa0 r4:c1a26d58 <4>[ 148.186562] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 148.194314] r7:00000013 r6:c1a26d58 r5:c1a26d30 r4:c5a5c000 <4>[ 148.200248] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) <4>[ 148.209476] r9:c1ad2dd0 r8:c15ec020 r7:c5a5df60 r6:0000001f r5:c6c11000 r4:7fffffff <4>[ 148.217493] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) <4>[ 148.228200] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x50/0x88) <4>[ 148.240116] r5:c6c11000 r4:c5a5c000 <4>[ 148.243966] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 148.254144] r4:0000002e <4>[ 148.256948] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 148.265229] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 148.273418] r9:c5a5df60 r8:c30239c0 r7:0000001f r6:b6e93000 r5:c69083c0 r4:c0c592dc <4>[ 148.281436] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 148.289535] r9:c07e2978 r8:c5a5df60 r7:c290d000 r6:b6e93000 r5:c69083c0 r4:00000000 <4>[ 148.297550] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 148.304954] r10:00000004 r9:00000000 r8:00000000 r7:b6e93000 r6:c5a5c000 r5:c69083c0 <4>[ 148.313050] r4:c69083c0 <4>[ 148.315855] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 148.323261] r9:c5a5c000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000001f r4:0000001f <4>[ 148.331277] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 148.339112] Exception stack(0xc5a5dfa8 to 0xc5a5dff0) <4>[ 148.344435] dfa0: 0000001f 0000001f 00000001 b6e93000 0000001f 00000001 <4>[ 148.352882] dfc0: 0000001f 0000001f 7ff00000 00000004 00000001 b6e93000 00020000 0042fe38 <4>[ 148.361325] dfe0: 00000004 bec187e8 b6f5933b b6ed2616 <4>[ 148.366705] irq event stamp: 0 <4>[ 148.370038] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 148.375914] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 148.383739] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 148.391544] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 148.397391] ---[ end trace 6c61b7a51df8f472 ]--- <6>[ 148.402316] lkdtm: Overflow detected: saturated # [ 148.049176] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 148.057849] lkdtm: attempting bad refcount_add_not_zero() overflow # [ 148.067225] ------------[ cut here ]------------ # [ 148.074909] WARNING: CPU: 3 PID: 2775 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 148.086422] refcount_t: saturated; leaking memory. # [ 148.094338] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore imx_ldb dw_hdmi_imx dw_hdmi parallel_display flexcan can_dev imxdrm caam error etnaviv gpu_sched imx_ipu_v3 # [ 148.129350] CPU: 3 PID: 2775 Comm: cat Tainted: G D W 5.10.217-cip47 #1 # [ 148.140172] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 148.147219] Backtrace: # [ 148.149955] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 148.157795] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1ced8 # [ 148.163729] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 148.171313] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 148.178545] r9:00000009 r8:c0875fa0 r7:00000013 r6:00000009 r5:c0875fa0 r4:c1a26d58 # [ 148.186562] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 148.194314] r7:00000013 r6:c1a26d58 r5:c1a26d30 r4:c5a5c000 # [ 148.200248] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 148.209476] r9:c1ad2dd0 r8:c15ec020 r7:c5a5df60 r6:0000001f r5:c6c11000 r4:7fffffff # [ 148.217493] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 148.228200] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x50/0x88) # [ 148.240116] r5:c6c11000 r4:c5a5c000 # [ 148.243966] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 148.254144] r4:0000002e # [ 148.256948] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 148.265229] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 148.273418] r9:c5a5df60 r8:c30239c0 r7:0000001f r6:b6e93000 r5:c69083c0 r4:c0c592dc # [ 148.281436] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 148.289535] r9:c07e2978 r8:c5a5df60 r7:c290d000 r6:b6e93000 r5:c69083c0 r4:00000000 # [ 148.297550] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 148.304954] r10:00000004 r9:00000000 r8:00000000 r7:b6e93000 r6:c5a5c000 r5:c69083c0 # [ 148.313050] r4:c69083c0 # [ 148.315855] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 148.323261] r9:c5a5c000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000001f r4:0000001f # [ 148.331277] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 148.339112] Exception stack(0xc5a5dfa8 to 0xc5a5dff0) # [ 148.344435] dfa0: 0000001f 0000001f 00000001 b6e93000 0000001f 00000001 # [ 148.352882] dfc0: 0000001f 0000001f 7ff00000 00000004 00000001 b6e93000 00020000 0042fe38 # [ 148.361325] dfe0: 00000004 bec187e8 b6f5933b b6ed2616 # [ 148.366705] irq event stamp: 0 # [ 148.370038] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 148.375914] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 148.383739] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 148.391544] softirqs last disabled at (0): [<00000000>] 0x0 # [ 148.397391] ---[ end trace<6>[ 148.819292] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO 6c61b7a51df8f472 ]--- # [ 148.<6>[ 148.827823] lkdtm: attempting good refcount_dec() 402316] lkdtm: Overflow detected:<6>[ 148.835655] lkdtm: attempting bad refcount_dec() to zero saturated # REFCOUNT_ADD_NOT_ZE<4>[ 148.844078] ------------[ cut here ]------------ RO_OVERFLOW: missing 'call trace:<4>[ 148.851824] WARNING: CPU: 1 PID: 2810 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 ': [FAIL] not ok 45 selftests: l<4>[ 148.863371] refcount_t: decrement hit 0; leaking memory. kdtm: REFCOUNT_ADD_NOT_ZERO_OVERF<4>[ 148.871817] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore imx_ldb dw_hdmi_imx dw_hdmi parallel_display flexcan can_dev imxdrm caam error etnaviv gpu_sched imx_ipu_v3 LOW.sh # exit=1 # selftests: lkd<4>[ 148.906812] CPU: 1 PID: 2810 Comm: cat Tainted: G D W 5.10.217-cip47 #1 tm: REFCOUNT<_4D>E[C _ Z1E4R8O..917641] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) h <4>[ 148.926339] Backtrace: <4>[ 148.929320] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 148.937160] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1ced8 <4>[ 148.943095] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 148.950679] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 148.957911] r9:00000009 r8:c0875f6c r7:0000001f r6:00000009 r5:c0875f6c r4:c1a26d58 <4>[ 148.965928] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 148.973679] r7:0000001f r6:c1a26d58 r5:c1a26dbc r4:c59e2000 <4>[ 148.979613] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) <4>[ 148.988840] r9:c1ad2df0 r8:c15ec020 r7:c59e3f60 r6:00000012 r5:c6b3e000 r4:c59e2000 <4>[ 148.996855] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) <4>[ 149.006779] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_ZERO+0x5c/0xd8) <4>[ 149.016793] [] (lkdtm_REFCOUNT_DEC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 149.025842] r4:0000002f <4>[ 149.028646] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 149.036926] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 149.045115] r9:c59e3f60 r8:c30239c0 r7:00000012 r6:b6e99000 r5:c68d0500 r4:c0c592dc <4>[ 149.053133] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 149.061234] r9:c07e2978 r8:c59e3f60 r7:c290d000 r6:b6e99000 r5:c68d0500 r4:00000000 <4>[ 149.069247] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 149.076651] r10:00000004 r9:00000000 r8:00000000 r7:b6e99000 r6:c59e2000 r5:c68d0500 <4>[ 149.084746] r4:c68d0500 <4>[ 149.087551] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 149.094956] r9:c59e2000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000012 r4:00000012 <4>[ 149.102973] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 149.110808] Exception stack(0xc59e3fa8 to 0xc59e3ff0) <4>[ 149.116131] 3fa0: 00000012 00000012 00000001 b6e99000 00000012 00000001 <4>[ 149.124578] 3fc0: 00000012 00000012 7ff00000 00000004 00000001 b6e99000 00020000 0042fe38 <4>[ 149.133023] 3fe0: 00000004 bede97e8 b6f5f33b b6ed8616 <4>[ 149.138419] irq event stamp: 0 <4>[ 149.141774] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 149.147627] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 149.155443] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 149.163271] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 149.169124] ---[ end trace 6c61b7a51df8f473 ]--- <6>[ 149.174048] lkdtm: Zero detected: saturated # [ 148.819292] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO # [ 148.827823] lkdtm: attempting good refcount_dec() # [ 148.835655] lkdtm: attempting bad refcount_dec() to zero # [ 148.844078] ------------[ cut here ]------------ # [ 148.851824] WARNING: CPU: 1 PID: 2810 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 # [ 148.863371] refcount_t: decrement hit 0; leaking memory. # [ 148.871817] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore imx_ldb dw_hdmi_imx dw_hdmi parallel_display flexcan can_dev imxdrm caam error etnaviv gpu_sched imx_ipu_v3 # [ 148.906812] CPU: 1 PID: 2810 Comm: cat Tainted: G D W 5.10.217-cip47 #1 # [ 148.917641] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 148.926339] Backtrace: # [ 148.929320] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 148.937160] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1ced8 # [ 148.943095] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 148.950679] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 148.957911] r9:00000009 r8:c0875f6c r7:0000001f r6:00000009 r5:c0875f6c r4:c1a26d58 # [ 148.965928] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 148.973679] r7:0000001f r6:c1a26d58 r5:c1a26dbc r4:c59e2000 # [ 148.979613] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) # [ 148.988840] r9:c1ad2df0 r8:c15ec020 r7:c59e3f60 r6:00000012 r5:c6b3e000 r4:c59e2000 # [ 148.996855] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) # [ 149.006779] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_ZERO+0x5c/0xd8) # [ 149.016793] [] (lkdtm_REFCOUNT_DEC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 149.025842] r4:0000002f # [ 149.028646] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 149.036926] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 149.045115] r9:c59e3f60 r8:c30239c0 r7:00000012 r6:b6e99000 r5:c68d0500 r4:c0c592dc # [ 149.053133] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 149.061234] r9:c07e2978 r8:c59e3f60 r7:c290d000 r6:b6e99000 r5:c68d0500 r4:00000000 # [ 149.069247] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 149.076651] r10:00000004 r9:00000000 r8:00000000 r7:b6e99000 r6:c59e2000 r5:c68d0500 # [ 149.084746] r4:c68d0500 # [ 149.087551] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 149.094956] r9:c59e2000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000012 r4:00000012 # [ 149.102973] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 149.110808] Exception stack(0xc59e3fa8 to 0xc59e3ff0) # [ 149.116131] 3fa0: 00000012 00000012 00000001 b6e99000 00000012 00000001 # [ 149.124578] 3fc0: 00000012 00000012 7ff00000 00000004 00000001 b6e99000 00020000 0042fe38 # [ 149.133023] 3fe0: 00000004 bede97e8 b6f5f33b b6ed8616 # [ 149.138419] irq event stamp: 0 # [ 149.141774] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 149.147627] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 149.155443] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 149.163271] softirqs last disabled at (0): [<00000000>] 0x0 # [ 149.169124] ---[ end trace 6c61b7a51df8f473 ]--- # [ 149.174048] 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_NEGA<6>[ 149.614809] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE TIVE.sh <6>[ 149.622192] lkdtm: attempting bad refcount_dec() below zero <4>[ 149.628681] ------------[ cut here ]------------ <4>[ 149.633640] WARNING: CPU: 1 PID: 2848 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 <4>[ 149.642541] refcount_t: decrement hit 0; leaking memory. <4>[ 149.648163] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore imx_ldb dw_hdmi_imx dw_hdmi parallel_display flexcan can_dev imxdrm caam error etnaviv gpu_sched imx_ipu_v3 <4>[ 149.680626] CPU: 1 PID: 2848 Comm: cat Tainted: G D W 5.10.217-cip47 #1 <4>[ 149.688638] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 149.695431] Backtrace: <4>[ 149.698168] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 149.706011] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1ced8 <4>[ 149.711945] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 149.719530] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 149.726765] r9:00000009 r8:c0875f6c r7:0000001f r6:00000009 r5:c0875f6c r4:c1a26d58 <4>[ 149.734781] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 149.742531] r7:0000001f r6:c1a26d58 r5:c1a26dbc r4:c6a72000 <4>[ 149.748465] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) <4>[ 149.757692] r9:c1ad2e04 r8:c15ec020 r7:c6a73f60 r6:00000016 r5:00000000 r4:c6a72000 <4>[ 149.765708] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) <4>[ 149.775632] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_NEGATIVE+0x48/0x70) <4>[ 149.785995] [] (lkdtm_REFCOUNT_DEC_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 149.795393] r5:c6b3e000 r4:00000030 <4>[ 149.799241] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 149.807522] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 149.815709] r9:c6a73f60 r8:c30239c0 r7:00000016 r6:b6e62000 r5:c59fe640 r4:c0c592dc <4>[ 149.823728] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 149.831828] r9:c07e2978 r8:c6a73f60 r7:c290d000 r6:b6e62000 r5:c59fe640 r4:00000000 <4>[ 149.839842] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 149.847248] r10:00000004 r9:00000000 r8:00000000 r7:b6e62000 r6:c6a72000 r5:c59fe640 <4>[ 149.855343] r4:c59fe640 <4>[ 149.858148] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 149.865552] r9:c6a72000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000016 r4:00000016 <4>[ 149.873568] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 149.881405] Exception stack(0xc6a73fa8 to 0xc6a73ff0) <4>[ 149.886727] 3fa0: 00000016 00000016 00000001 b6e62000 00000016 00000001 <4>[ 149.895175] 3fc0: 00000016 00000016 7ff00000 00000004 00000001 b6e62000 00020000 0049fe38 <4>[ 149.903621] 3fe0: 00000004 becd47e8 b6f2833b b6ea1616 <4>[ 149.908992] irq event stamp: 0 <4>[ 149.912347] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 149.918199] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 149.926005] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 149.933804] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 149.939653] ---[ end trace 6c61b7a51df8f474 ]--- <6>[ 149.944583] lkdtm: Negative detected: saturated # [ 149.614809] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 149.622192] lkdtm: attempting bad refcount_dec() below zero # [ 149.628681] ------------[ cut here ]------------ # [ 149.633640] WARNING: CPU: 1 PID: 2848 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 # [ 149.642541] refcount_t: decrement hit 0; leaking memory. # [ 149.648163] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore imx_ldb dw_hdmi_imx dw_hdmi parallel_display flexcan can_dev imxdrm caam error etnaviv gpu_sched imx_ipu_v3 # [ 149.680626] CPU: 1 PID: 2848 Comm: cat Tainted: G D W 5.10.217-cip47 #1 # [ 149.688638] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 149.695431] Backtrace: # [ 149.698168] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 149.706011] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1ced8 # [ 149.711945] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 149.719530] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 149.726765] r9:00000009 r8:c0875f6c r7:0000001f r6:00000009 r5:c0875f6c r4:c1a26d58 # [ 149.734781] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 149.742531] r7:0000001f r6:c1a26d58 r5:c1a26dbc r4:c6a72000 # [ 149.748465] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) # [ 149.757692] r9:c1ad2e04 r8:c15ec020 r7:c6a73f60 r6:00000016 r5:00000000 r4:c6a72000 # [ 149.765708] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) # [ 149.775632] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_NEGATIVE+0x48/0x70) # [ 149.785995] [] (lkdtm_REFCOUNT_DEC_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 149.795393] r5:c6b3e000 r4:00000030 # [ 149.799241] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 149.807522] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 149.815709] r9:c6a73f60 r8:c30239c0 r7:00000016 r6:b6e62000 r5:c59fe640 r4:c0c592dc # [ 149.823728] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 149.831828] r9:c07e2978 r8:c6a73f60 r7:c290d000 r6:b6e62000 r5:c59fe640 r4:00000000 # [ 149.839842] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 149.847248] r10:00000004 r9:00000000 r8:00000000 r7:b6e62000 r6:c6a72000 r5:c59fe640 # [ 149.855343] r4:c59fe640 # [ 149.858148] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 149.865552] r9:c6a72000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000016 r4:00000016 # [ 149.873568] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 149.881405] Exception stack(0xc6a73fa8 to 0xc6a73ff0) # [ 149.886727] 3fa0: 00000016 00000016 00000001 b6e62000 00000016 00000001 # [ 149.895175] 3fc0: 00000016 00000016 7ff00000 00000004 00000001 b6e62000 00020000 0049fe38 # [ 149.903621] 3fe0: 00000004 becd47e8 b6f2833b b6ea1616 # [ 149.908992] irq event stamp: 0 # [ 149.912347] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 149.918199] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 149.926005] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 149.933804] softirqs last disabled at (0): [<00000000>] 0x0 # [ 149.939653] ---[ end trace 6c61b7a51df8f474 ]--- # [ 149.944583] lkdtm: Negative detected: saturated # REFCOUNT_DEC_NEGATIVE: saw 'Ne<6>[ 150.367808] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE gative detected: saturated': ok <6>[ 150.375826] lkdtm: attempting bad refcount_dec_and_test() below zero ok 47 selftests: lkdtm: REFCOUNT_<4>[ 150.385358] ------------[ cut here ]------------ DEC_NEGATIVE.sh # selftests: lkd<4>[ 150.394542] WARNING: CPU: 0 PID: 2884 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 tm: REFCOUNT_DEC_AND_TEST_NEGATIV<4>[ 150.404829] refcount_t: underflow; use-after-free. E.sh <4>[ 150.412741] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore imx_ldb dw_hdmi_imx dw_hdmi parallel_display flexcan can_dev imxdrm caam error etnaviv gpu_sched imx_ipu_v3 <4>[ 150.445415] CPU: 0 PID: 2884 Comm: cat Tainted: G D W 5.10.217-cip47 #1 <4>[ 150.453427] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 150.460222] Backtrace: <4>[ 150.462960] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 150.470802] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1ced8 <4>[ 150.476735] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 150.484319] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 150.491551] r9:00000009 r8:c087603c r7:0000001c r6:00000009 r5:c087603c r4:c1a26d58 <4>[ 150.499567] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 150.507318] r7:0000001c r6:c1a26d58 r5:c1a26d94 r4:c6b5e000 <4>[ 150.513252] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) <4>[ 150.522566] r9:c1ad2e1c r8:c15ec020 r7:c6b5ff60 r6:0000001f r5:00000000 r4:c6b5e000 <4>[ 150.530586] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) <4>[ 150.541297] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x50/0x8c) <4>[ 150.553217] [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 150.563397] r5:c5fb7000 r4:00000031 <4>[ 150.567243] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 150.575525] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 150.583713] r9:c6b5ff60 r8:c30239c0 r7:0000001f r6:b6e37000 r5:c6a51b80 r4:c0c592dc <4>[ 150.591732] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 150.599832] r9:c07e2978 r8:c6b5ff60 r7:c290d000 r6:b6e37000 r5:c6a51b80 r4:00000000 <4>[ 150.607845] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 150.615250] r10:00000004 r9:00000000 r8:00000000 r7:b6e37000 r6:c6b5e000 r5:c6a51b80 <4>[ 150.623344] r4:c6a51b80 <4>[ 150.626150] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 150.633555] r9:c6b5e000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000001f r4:0000001f <4>[ 150.641573] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 150.649409] Exception stack(0xc6b5ffa8 to 0xc6b5fff0) <4>[ 150.654733] ffa0: 0000001f 0000001f 00000001 b6e37000 0000001f 00000001 <4>[ 150.663179] ffc0: 0000001f 0000001f 7ff00000 00000004 00000001 b6e37000 00020000 004cfe38 <4>[ 150.671623] ffe0: 00000004 beb6c7e8 b6efd33b b6e76616 <4>[ 150.676981] irq event stamp: 0 <4>[ 150.680315] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 150.686191] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 150.693973] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 150.701753] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 150.707597] ---[ end trace 6c61b7a51df8f475 ]--- <6>[ 150.712508] lkdtm: Negative detected: saturated # [ 150.367808] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 150.375826] lkdtm: attempting bad refcount_dec_and_test() below zero # [ 150.385358] ------------[ cut here ]------------ # [ 150.394542] WARNING: CPU: 0 PID: 2884 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 150.404829] refcount_t: underflow; use-after-free. # [ 150.412741] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore imx_ldb dw_hdmi_imx dw_hdmi parallel_display flexcan can_dev imxdrm caam error etnaviv gpu_sched imx_ipu_v3 # [ 150.445415] CPU: 0 PID: 2884 Comm: cat Tainted: G D W 5.10.217-cip47 #1 # [ 150.453427] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 150.460222] Backtrace: # [ 150.462960] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 150.470802] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1ced8 # [ 150.476735] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 150.484319] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 150.491551] r9:00000009 r8:c087603c r7:0000001c r6:00000009 r5:c087603c r4:c1a26d58 # [ 150.499567] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 150.507318] r7:0000001c r6:c1a26d58 r5:c1a26d94 r4:c6b5e000 # [ 150.513252] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 150.522566] r9:c1ad2e1c r8:c15ec020 r7:c6b5ff60 r6:0000001f r5:00000000 r4:c6b5e000 # [ 150.530586] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 150.541297] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x50/0x8c) # [ 150.553217] [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 150.563397] r5:c5fb7000 r4:00000031 # [ 150.567243] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 150.575525] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 150.583713] r9:c6b5ff60 r8:c30239c0 r7:0000001f r6:b6e37000 r5:c6a51b80 r4:c0c592dc # [ 150.591732] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 150.599832] r9:c07e2978 r8:c6b5ff60 r7:c290d000 r6:b6e37000 r5:c6a51b80 r4:00000000 # [ 150.607845] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 150.615250] r10:00000004 r9:00000000 r8:00000000 r7:b6e37000 r6:c6b5e000 r5:c6a51b80 # [ 150.623344] r4:c6a51b80 # [ 150.626150] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 150.633555] r9:c6b5e000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000001f r4:0000001f # [ 150.641573] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 150.649409] Exception stack(0xc6b5ffa8 to 0xc6b5fff0) # [ 150.654733] ffa0: 0000001f 0000001f 00000001 b6e37000 0000001f 00000001 # [ 150.663179] ffc0: 0000001f 0000001f 7ff00000 00000004 00000001 b6e37000 00020000 004cfe38 # [ 150.671623] ffe0: 00000004 beb6c7e8 b6efd33b b6e76616 # [ 150.676981] irq event stamp: 0 # [ 150.680315] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 150.686191] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 150.693973] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 150.701753] softirqs last disabled at (0): [<00000000>] 0x0 # [ 150.707597] ---[ end trace 6c61b7a51df8f475 ]--- # [ 150.712508] lkdtm: Negative detected: saturated # REFCOUNT_DEC_AND_TEST_NEGATIVE: saw 'Negative detected: saturated': ok ok 48 selftests: lkdtm: REFCOUNT<6>[ 151.149727] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE _DEC_AND_TEST_NEGATIVE.sh # self<6>[ 151.158858] lkdtm: attempting bad refcount_sub_and_test() below zero tests: lkdtm: REFCOUNT_SUB_AND_TE<4>[ 151.168352] ------------[ cut here ]------------ ST_NEGATIVE.sh <4>[ 151.176188] WARNING: CPU: 0 PID: 2920 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 <4>[ 151.186297] refcount_t: underflow; use-after-free. <4>[ 151.191387] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore imx_ldb dw_hdmi_imx dw_hdmi parallel_display flexcan can_dev imxdrm caam error etnaviv gpu_sched imx_ipu_v3 <4>[ 151.223860] CPU: 0 PID: 2920 Comm: cat Tainted: G D W 5.10.217-cip47 #1 <4>[ 151.231871] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 151.238665] Backtrace: <4>[ 151.241402] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 151.249244] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1ced8 <4>[ 151.255177] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 151.262762] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 151.269994] r9:00000009 r8:c087603c r7:0000001c r6:00000009 r5:c087603c r4:c1a26d58 <4>[ 151.278011] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 151.285763] r7:0000001c r6:c1a26d58 r5:c1a26d94 r4:c6d0c000 <4>[ 151.291698] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) <4>[ 151.301014] r9:c1ad2e3c r8:c15ec020 r7:c6d0df60 r6:0000001f r5:c5fb7000 r4:c6d0c000 <4>[ 151.309035] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) <4>[ 151.319744] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x50/0x8c) <4>[ 151.331667] [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 151.341845] r4:00000032 <4>[ 151.344649] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 151.352929] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 151.361117] r9:c6d0df60 r8:c30239c0 r7:0000001f r6:b6dae000 r5:c6a71180 r4:c0c592dc <4>[ 151.369136] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 151.377235] r9:c07e2978 r8:c6d0df60 r7:c290d000 r6:b6dae000 r5:c6a71180 r4:00000000 <4>[ 151.385249] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 151.392655] r10:00000004 r9:00000000 r8:00000000 r7:b6dae000 r6:c6d0c000 r5:c6a71180 <4>[ 151.400748] r4:c6a71180 <4>[ 151.403555] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 151.410959] r9:c6d0c000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000001f r4:0000001f <4>[ 151.418975] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 151.426810] Exception stack(0xc6d0dfa8 to 0xc6d0dff0) <4>[ 151.432133] dfa0: 0000001f 0000001f 00000001 b6dae000 0000001f 00000001 <4>[ 151.440580] dfc0: 0000001f 0000001f 7ff00000 00000004 00000001 b6dae000 00020000 004dfe38 <4>[ 151.449024] dfe0: 00000004 be9847e8 b6e7433b b6ded616 <4>[ 151.454369] irq event stamp: 0 <4>[ 151.457703] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 151.463573] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 151.471353] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 151.479108] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 151.484972] ---[ end trace 6c61b7a51df8f476 ]--- <6>[ 151.489863] lkdtm: Negative detected: saturated # [ 151.149727] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 151.158858] lkdtm: attempting bad refcount_sub_and_test() below zero # [ 151.168352] ------------[ cut here ]------------ # [ 151.176188] WARNING: CPU: 0 PID: 2920 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 151.186297] refcount_t: underflow; use-after-free. # [ 151.191387] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore imx_ldb dw_hdmi_imx dw_hdmi parallel_display flexcan can_dev imxdrm caam error etnaviv gpu_sched imx_ipu_v3 # [ 151.223860] CPU: 0 PID: 2920 Comm: cat Tainted: G D W 5.10.217-cip47 #1 # [ 151.231871] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 151.238665] Backtrace: # [ 151.241402] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 151.249244] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1ced8 # [ 151.255177] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 151.262762] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 151.269994] r9:00000009 r8:c087603c r7:0000001c r6:00000009 r5:c087603c r4:c1a26d58 # [ 151.278011] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 151.285763] r7:0000001c r6:c1a26d58 r5:c1a26d94 r4:c6d0c000 # [ 151.291698] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 151.301014] r9:c1ad2e3c r8:c15ec020 r7:c6d0df60 r6:0000001f r5:c5fb7000 r4:c6d0c000 # [ 151.309035] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 151.319744] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x50/0x8c) # [ 151.331667] [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 151.341845] r4:00000032 # [ 151.344649] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 151.352929] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 151.361117] r9:c6d0df60 r8:c30239c0 r7:0000001f r6:b6dae000 r5:c6a71180 r4:c0c592dc # [ 151.369136] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 151.377235] r9:c07e2978 r8:c6d0df60 r7:c290d000 r6:b6dae000 r5:c6a71180 r4:00000000 # [ 151.385249] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 151.392655] r10:00000004 r9:00000000 r8:00000000 r7:b6dae000 r6:c6d0c000 r5:c6a71180 # [ 151.400748] r4:c6a71180 # [ 151.403555] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 151.410959] r9:c6d0c000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000001f r4:0000001f # [ 151.418975] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 151.426810] Exception stack(0xc6d0dfa8 to 0xc6d0dff0) # [ 151.432133] dfa0: 0000001f 0000001f 00000001 b6dae000 0000001f 00000001 # [ 151.440580] dfc0: 0000001f 0000001f 7ff00000 00000004 00000001 b6dae000 00020000 004dfe38 # [ 151.449024] dfe0: 00000004 be9847e8 b6e7433b b6ded616 # [ 151.454369] irq event stamp: 0 # [ 151.457703] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 151.463573] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 151.471353] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 151.479108] softirqs last disabled at (0): [<00000000>] 0x0 # [ 151.484972] ---[ end trace 6c61b7a51df8f476 ]--- # [ 151.489863] lkdtm: Negative detected: saturated # REFCOUNT_SUB_AND_TEST_NEGATIVE: saw 'Negative detected: saturated': ok ok 49 selftests: lkdtm: REFCOUNT_SUB_AND_TEST_NEGATIVE.sh # selftests: lkdtm: REFCOUNT_INC_ZERO.sh <6>[ 151.949950] lkdtm: Performing direct entry REFCOUNT_INC_ZERO <6>[ 151.955973] lkdtm: attempting safe refcount_inc_not_zero() from zero <6>[ 151.962710] lkdtm: Good: zero detected <6>[ 151.966755] lkdtm: Correctly stayed at zero <6>[ 151.971293] lkdtm: attempting bad refcount_inc() from zero <4>[ 151.977051] ------------[ cut here ]------------ <4>[ 151.981984] WARNING: CPU: 1 PID: 2953 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 <4>[ 151.990813] refcount_t: addition on 0; use-after-free. <4>[ 151.996222] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore imx_ldb dw_hdmi_imx dw_hdmi parallel_display flexcan can_dev imxdrm caam error etnaviv gpu_sched imx_ipu_v3 <4>[ 152.028718] CPU: 1 PID: 2953 Comm: cat Tainted: G D W 5.10.217-cip47 #1 <4>[ 152.036728] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 152.043523] Backtrace: <4>[ 152.046258] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 152.054100] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1ced8 <4>[ 152.060034] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 152.067617] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 152.074850] r9:00000009 r8:c0876008 r7:00000019 r6:00000009 r5:c0876008 r4:c1a26d58 <4>[ 152.082865] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 152.090618] r7:00000019 r6:c1a26d58 r5:c1a26d68 r4:c6bc2000 <4>[ 152.096550] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) <4>[ 152.105865] r9:c1ad2e5c r8:c15ec020 r7:c6bc3f60 r6:00000012 r5:00000000 r4:c6bc2000 <4>[ 152.113884] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) <4>[ 152.123812] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_ZERO+0xa8/0xcc) <4>[ 152.133823] [] (lkdtm_REFCOUNT_INC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 152.142875] r5:c6b68000 r4:00000033 <4>[ 152.146721] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 152.155002] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 152.163188] r9:c6bc3f60 r8:c30239c0 r7:00000012 r6:b6e3e000 r5:c5fd72c0 r4:c0c592dc <4>[ 152.171207] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 152.179307] r9:c07e2978 r8:c6bc3f60 r7:c290d000 r6:b6e3e000 r5:c5fd72c0 r4:00000000 <4>[ 152.187319] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 152.194723] r10:00000004 r9:00000000 r8:00000000 r7:b6e3e000 r6:c6bc2000 r5:c5fd72c0 <4>[ 152.202818] r4:c5fd72c0 <4>[ 152.205623] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 152.213028] r9:c6bc2000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000012 r4:00000012 <4>[ 152.221043] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 152.228878] Exception stack(0xc6bc3fa8 to 0xc6bc3ff0) <4>[ 152.234203] 3fa0: 00000012 00000012 00000001 b6e3e000 00000012 00000001 <4>[ 152.242651] 3fc0: 00000012 00000012 7ff00000 00000004 00000001 b6e3e000 00020000 004ffe38 <4>[ 152.251095] 3fe0: 00000004 be95c7e8 b6f0433b b6e7d616 <4>[ 152.256466] irq event stamp: 0 <4>[ 152.259801] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 152.265677] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 152.273469] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 152.281268] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 152.287117] ---[ end trace 6c61b7a51df8f477 ]--- <6>[ 152.292052] lkdtm: Zero detected: saturated # [ 151.949950] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 151.955973] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 151.962710] lkdtm: Good: zero detected # [ 151.966755] lkdtm: Correctly stayed at zero # [ 151.971293] lkdtm: attempting bad refcount_inc() from zero # [ 151.977051] ------------[ cut here ]------------ # [ 151.981984] WARNING: CPU: 1 PID: 2953 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 # [ 151.990813] refcount_t: addition on 0; use-after-free. # [ 151.996222] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore imx_ldb dw_hdmi_imx dw_hdmi parallel_display flexcan can_dev imxdrm caam error etnaviv gpu_sched imx_ipu_v3 # [ 152.028718] CPU: 1 PID: 2953 Comm: cat Tainted: G D W 5.10.217-cip47 #1 # [ 152.036728] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 152.043523] Backtrace: # [ 152.046258] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 152.054100] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1ced8 # [ 152.060034] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 152.067617] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 152.074850] r9:00000009 r8:c0876008 r7:00000019 r6:00000009 r5:c0876008 r4:c1a26d58 # [ 152.082865] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 152.090618] r7:00000019 r6:c1a26d58 r5:c1a26d68 r4:c6bc2000 # [ 152.096550] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) # [ 152.105865] r9:c1ad2e5c r8:c15ec020 r7:c6bc3f60 r6:00000012 r5:00000000 r4:c6bc2000 # [ 152.113884] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) # [ 152.123812] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_ZERO+0xa8/0xcc) # [ 152.133823] [] (lkdtm_REFCOUNT_INC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 152.142875] r5:c6b68000 r4:00000033 # [ 152.146721] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 152.155002] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 152.163188] r9:c6bc3f60 r8:c30239c0 r7:00000012 r6:b6e3e000 r5:c5fd72c0 r4:c0c592dc # [ 152.171207] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 152.179307] r9:c07e2978 r8:c6bc3f60 r7:c290d000 r6:b6e3e000 r5:c5fd72c0 r4:00000000 # [ 152.187319] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 152.194723] r10:00000004 r9:00000000 r8:00000000 r7:b6e3e000 r6:c6bc2000 r5:c5fd72c0 # [ 152.202818] r4:c5fd72c0 # [ 152.205623] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 152.213028] r9:c6bc2000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000012 r4:00000012 # [ 152.221043] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 152.228878] Exception stack(0xc6bc3fa8 to 0xc6bc3ff0) # [ 152.234203] 3fa0: 00000012 00000012 00000001 b6e3e000 00000012 00000001 # [ 152.242651] 3fc0: 00000012 00000012 7ff00000 00000004 00000001 b6e3e000 00020000 004ffe38 # [ 152.251095] 3fe0: 00000004 be95c7e8 b6f0433b b6e7d616 # [ 152.256466] irq event stamp: 0 # [ 152.259801] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 152.265677] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 152.273469] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 152.281268] softirqs last disabled at (0): [<00000000>] 0x0 # [ 152.287117] ---[ end trace 6c61b7a51df8f477 ]--- # [ 152.292052] lkdtm: Zero detected: saturated # REFCOUNT_INC_ZERO: missing 'call trace:': [FAIL] not ok 50 selftests: lkdtm: REFCOUNT_INC_ZERO.sh # exit=1 # selftests: lkdtm: REF<6>[ 152.743611] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO COUNT_ADD_ZERO.sh <6>[ 152.752363] lkdtm: attempting safe refcount_add_not_zero() from zero <6>[ 152.760538] lkdtm: Good: zero detected <6>[ 152.764603] lkdtm: Correctly stayed at zero <6>[ 152.769059] lkdtm: attempting bad refcount_add() from zero <4>[ 152.774851] ------------[ cut here ]------------ <4>[ 152.779756] WARNING: CPU: 2 PID: 2988 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 <4>[ 152.788583] refcount_t: addition on 0; use-after-free. <4>[ 152.794026] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore imx_ldb dw_hdmi_imx dw_hdmi parallel_display flexcan can_dev imxdrm caam error etnaviv gpu_sched imx_ipu_v3 <4>[ 152.826501] CPU: 2 PID: 2988 Comm: cat Tainted: G D W 5.10.217-cip47 #1 <4>[ 152.834512] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 152.841308] Backtrace: <4>[ 152.844044] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 152.851885] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1ced8 <4>[ 152.857820] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 152.865404] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 152.872636] r9:00000009 r8:c0876008 r7:00000019 r6:00000009 r5:c0876008 r4:c1a26d58 <4>[ 152.880651] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 152.888401] r7:00000019 r6:c1a26d58 r5:c1a26d68 r4:c6d92000 <4>[ 152.894334] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) <4>[ 152.903649] r9:c1ad2e70 r8:c15ec020 r7:c6d93f60 r6:00000012 r5:00000000 r4:c6d92000 <4>[ 152.911667] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) <4>[ 152.921594] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_ZERO+0xa8/0xcc) <4>[ 152.931606] [] (lkdtm_REFCOUNT_ADD_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 152.940656] r5:c6b5d000 r4:00000034 <4>[ 152.944502] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 152.952781] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 152.960969] r9:c6d93f60 r8:c30239c0 r7:00000012 r6:b6e31000 r5:c5adb7c0 r4:c0c592dc <4>[ 152.968988] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 152.977088] r9:c07e2978 r8:c6d93f60 r7:c290d000 r6:b6e31000 r5:c5adb7c0 r4:00000000 <4>[ 152.985102] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 152.992507] r10:00000004 r9:00000000 r8:00000000 r7:b6e31000 r6:c6d92000 r5:c5adb7c0 <4>[ 153.000601] r4:c5adb7c0 <4>[ 153.003407] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 153.010812] r9:c6d92000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000012 r4:00000012 <4>[ 153.018830] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 153.026665] Exception stack(0xc6d93fa8 to 0xc6d93ff0) <4>[ 153.031987] 3fa0: 00000012 00000012 00000001 b6e31000 00000012 00000001 <4>[ 153.040434] 3fc0: 00000012 00000012 7ff00000 00000004 00000001 b6e31000 00020000 0044fe38 <4>[ 153.048879] 3fe0: 00000004 bed137e8 b6ef733b b6e70616 <4>[ 153.054265] irq event stamp: 0 <4>[ 153.057601] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 153.063484] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 153.071282] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 153.079038] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 153.084932] ---[ end trace 6c61b7a51df8f478 ]--- <6>[ 153.089838] lkdtm: Zero detected: saturated # [ 152.743611] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 152.752363] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 152.760538] lkdtm: Good: zero detected # [ 152.764603] lkdtm: Correctly stayed at zero # [ 152.769059] lkdtm: attempting bad refcount_add() from zero # [ 152.774851] ------------[ cut here ]------------ # [ 152.779756] WARNING: CPU: 2 PID: 2988 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 # [ 152.788583] refcount_t: addition on 0; use-after-free. # [ 152.794026] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore imx_ldb dw_hdmi_imx dw_hdmi parallel_display flexcan can_dev imxdrm caam error etnaviv gpu_sched imx_ipu_v3 # [ 152.826501] CPU: 2 PID: 2988 Comm: cat Tainted: G D W 5.10.217-cip47 #1 # [ 152.834512] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 152.841308] Backtrace: # [ 152.844044] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 152.851885] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1ced8 # [ 152.857820] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 152.865404] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 152.872636] r9:00000009 r8:c0876008 r7:00000019 r6:00000009 r5:c0876008 r4:c1a26d58 # [ 152.880651] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 152.888401] r7:00000019 r6:c1a26d58 r5:c1a26d68 r4:c6d92000 # [ 152.894334] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) # [ 152.903649] r9:c1ad2e70 r8:c15ec020 r7:c6d93f60 r6:00000012 r5:00000000 r4:c6d92000 # [ 152.911667] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) # [ 152.921594] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_ZERO+0xa8/0xcc) # [ 152.931606] [] (lkdtm_REFCOUNT_ADD_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 152.940656] r5:c6b5d000 r4:00000034 # [ 152.944502] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 152.952781] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 152.960969] r9:c6d93f60 r8:c30239c0 r7:00000012 r6:b6e31000 r5:c5adb7c0 r4:c0c592dc # [ 152.968988] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 152.977088] r9:c07e2978 r8:c6d93f60 r7:c290d000 r6:b6e31000 r5:c5adb7c0 r4:00000000 # [ 152.985102] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 152.992507] r10:00000004 r9:00000000 r8:00000000 r7:b6e31000 r6:c6d92000 r5:c5adb7c0 # [ 153.000601] r4:c5adb7c0 # [ 153.003407] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 153.010812] r9:c6d92000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000012 r4:00000012 # [ 153.018830] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 153.026665] Exception stack(0xc6d93fa8 to 0xc6d93ff0) # [ 153.031987] 3fa0: 00000012 00000012 00000001 b6e31000 00000012 00000001 # [ 153.040434] 3fc0: 00000012 00000012 7ff00000 00000004 00000001 b6e31000 00020000 0044fe38 # [ 153.048879] 3fe0: 00000004 bed137e8 b6ef733b b6e70616 # [ 153.054265] irq event stamp: 0 # [ 153.057601] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 153.063484] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 153.071282] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 153.079038] softirqs last disabled at (0): [<00000000>] 0x0 # [ 153.084932] ---[ end trace 6c61b7a51df8f478 ]--- # [ 153.089838] lkdtm: Zero detected: saturated # REFCOUNT_ADD_ZERO: missing 'call trace:': [FAIL] not ok 51 selftests: lkdtm: REFCOUNT_ADD_ZERO.sh # exit=1 # <6>[ 153.549811] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED selftests: lkdtm: REFCOUNT_INC_SA<6>[ 153.558726] lkdtm: attempting bad refcount_inc() from saturated TURATED.sh <4>[ 153.567722] ------------[ cut here ]------------ <4>[ 153.573712] WARNING: CPU: 2 PID: 3026 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 <4>[ 153.582479] refcount_t: saturated; leaking memory. <4>[ 153.587541] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore imx_ldb dw_hdmi_imx dw_hdmi parallel_display flexcan can_dev imxdrm caam error etnaviv gpu_sched imx_ipu_v3 <4>[ 153.620038] CPU: 2 PID: 3026 Comm: cat Tainted: G D W 5.10.217-cip47 #1 <4>[ 153.628050] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 153.634843] Backtrace: <4>[ 153.637580] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 153.645423] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1ced8 <4>[ 153.651356] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 153.658940] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 153.666174] r9:00000009 r8:c0875fd4 r7:00000016 r6:00000009 r5:c0875fd4 r4:c1a26d58 <4>[ 153.674191] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 153.681943] r7:00000016 r6:c1a26d58 r5:c1a26d30 r4:c6d92000 <4>[ 153.687878] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) <4>[ 153.697105] r9:c1ad2e84 r8:c15ec020 r7:c6d93f60 r6:00000017 r5:c6b5d000 r4:c6d92000 <4>[ 153.705126] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) <4>[ 153.715057] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_SATURATED+0x4c/0x70) <4>[ 153.725503] [] (lkdtm_REFCOUNT_INC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 153.734987] r4:00000035 <4>[ 153.737792] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 153.746073] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 153.754263] r9:c6d93f60 r8:c30239c0 r7:00000017 r6:b6dbf000 r5:c6a71e00 r4:c0c592dc <4>[ 153.762281] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 153.770382] r9:c07e2978 r8:c6d93f60 r7:c290d000 r6:b6dbf000 r5:c6a71e00 r4:00000000 <4>[ 153.778396] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 153.785801] r10:00000004 r9:00000000 r8:00000000 r7:b6dbf000 r6:c6d92000 r5:c6a71e00 <4>[ 153.793895] r4:c6a71e00 <4>[ 153.796700] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 153.804108] r9:c6d92000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000017 r4:00000017 <4>[ 153.812123] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 153.819959] Exception stack(0xc6d93fa8 to 0xc6d93ff0) <4>[ 153.825284] 3fa0: 00000017 00000017 00000001 b6dbf000 00000017 00000001 <4>[ 153.833731] 3fc0: 00000017 00000017 7ff00000 00000004 00000001 b6dbf000 00020000 0041fe38 <4>[ 153.842176] 3fe0: 00000004 bea5e7e8 b6e8533b b6dfe616 <4>[ 153.847565] irq event stamp: 0 <4>[ 153.850925] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 153.856777] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 153.864598] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 153.872403] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 153.878255] ---[ end trace 6c61b7a51df8f479 ]--- <6>[ 153.883186] lkdtm: Saturation detected: still saturated # [ 0.000000] Dentry cache hash table entries: 131072 (order: 7, 524288 bytes, linear) # [ 0.000000] Inode-cache hash table entries: 65536 (order: 6, 262144 bytes, linear) # [ 0.000000] mem auto-init: stack:off, heap alloc:off, heap free:off # [ 0.000000] Memory: 920564K/1048576K available (17408K kernel code, 2711K rwdata, 8124K rodata, 2048K init, 6692K bss, 62476K reserved, 65536K cma-reserved, 196608K highmem) # [ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 # [ 0.000000] ftrace: allocating 55539 entries in 163 pages # [ 0.000000] ftrace: allocated 163 pages with 4 groups # [ 0.000000] Running RCU self tests # [ 153.549811] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 153.558726] lkdtm: attempting bad refcount_inc() from saturated # [ 153.567722] ------------[ cut here ]------------ # [ 153.573712] WARNING: CPU: 2 PID: 3026 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 153.582479] refcount_t: saturated; leaking memory. # [ 153.587541] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore imx_ldb dw_hdmi_imx dw_hdmi parallel_display flexcan can_dev imxdrm caam error etnaviv gpu_sched imx_ipu_v3 # [ 153.620038] CPU: 2 PID: 3026 Comm: cat Tainted: G D W 5.10.217-cip47 #1 # [ 153.628050] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 153.634843] Backtrace: # [ 153.637580] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 153.645423] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1ced8 # [ 153.651356] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 153.658940] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 153.666174] r9:00000009 r8:c0875fd4 r7:00000016 r6:00000009 r5:c0875fd4 r4:c1a26d58 # [ 153.674191] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 153.681943] r7:00000016 r6:c1a26d58 r5:c1a26d30 r4:c6d92000 # [ 153.687878] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 153.697105] r9:c1ad2e84 r8:c15ec020 r7:c6d93f60 r6:00000017 r5:c6b5d000 r4:c6d92000 # [ 153.705126] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 153.715057] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_SATURATED+0x4c/0x70) # [ 153.725503] [] (lkdtm_REFCOUNT_INC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 153.734987] r4:00000035 # [ 153.737792] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 153.746073] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 153.754263] r9:c6d93f60 r8:c30239c0 r7:00000017 r6:b6dbf000 r5:c6a71e00 r4:c0c592dc # [ 153.762281] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 153.770382] r9:c07e2978 r8:c6d93f60 r7:c290d000 r6:b6dbf000 r5:c6a71e00 r4:00000000 # [ 153.778396] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 153.785801] r10:00000004 r9:00000000 r8:00000000 r7:b6dbf000 r6:c6d92000 r5:c6a71e00 # [ 153.793895] r4:c6a71e00 # [ 153.796700] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 153.804108] r9:c6d92000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000017 r4:00000017 # [ 153.812123] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 153.819959] Exception stack(0xc6d93fa8 to 0xc6d93ff0) # [ 153.825284] 3fa0: 00000017 00000017 00000001 b6dbf000 00000017 00000001 # [ 153.833731] 3fc0: 00000017 00000017 7ff00000 00000004 00000001 b6dbf000 00020000 0041fe38 # [ 153.842176] 3fe0: 00000004 bea5e7e8 b6e8533b b6dfe616 # [ 153.847565] irq event stamp: 0 # [ 153.850925] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 153.856777] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [<6>[ 154.347066] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED 153.864598] softirqs last enab<6>[ 154.356083] lkdtm: attempting bad refcount_dec() from saturated led at (0): [] copy_pro<4>[ 154.365056] ------------[ cut here ]------------ cess+0x5f8/0x1dac # [ 153.87240<4>[ 154.372909] WARNING: CPU: 1 PID: 3062 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 3] softirqs last disabled at (0):<4>[ 154.384355] refcount_t: decrement hit 0; leaking memory. [<00000000>] 0x0 # [ 153.87825<4>[ 154.392781] Modules linked in: sha256_generic sha256_arm cfg80211 fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore imx_ldb dw_hdmi_imx dw_hdmi parallel_display flexcan can_dev imxdrm caam error etnaviv gpu_sched imx_ipu_v3 5] ---[ end trace 6c61b7a51df8f47<4>[ 154.427810] CPU: 1 PID: 3062 Comm: cat Tainted: G D W 5.10.217-cip47 #1 9 ]--- # [ <145>[3 . 8185341.8438620] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) ] lkdtm: Saturatiod[e t e15c.447314] Backtrace: ted: still saturated # REFCOUNT_<4>[ 154.452123] [] (dump_backtrace) from [] (show_stack+0x20/0x24) INC_SATURATED: saw 't[u r a154.462804] r7:ffffffff r6:60080013 r5:00000000 r4:c1f1ced8 ion detected: still sature[d 154.470980] [] (show_stack) from [] (dump_stack+0xe0/0x100) ': ok ok 52 selftests:< 4l>k[d t154.480980] [] (dump_stack) from [] (__warn+0x98/0x14c) m: REFCOUNT_INC_SATUT[E D .154.490539] r9:00000009 r8:c0875f6c r7:0000001f r6:00000009 r5:c0875f6c r4:c1a26d58 h # selftests: lkdtm: F[C O154.500800] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) UNT_DEC_SATURAD[. s 1h5 4 .510878] r7:0000001f r6:c1a26d58 r5:c1a26dbc r4:c6a64000 <4>[ 154.518711] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) <4>[ 154.527940] r9:c1ad2e9c r8:c15ec020 r7:c6a65f60 r6:00000017 r5:c6b68000 r4:c6a64000 <4>[ 154.535957] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) <4>[ 154.545882] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_SATURATED+0x48/0x6c) <4>[ 154.556331] [] (lkdtm_REFCOUNT_DEC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 154.565815] r4:00000036 <4>[ 154.568620] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 154.576901] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 154.585088] r9:c6a65f60 r8:c30239c0 r7:00000017 r6:b6e05000 r5:c2fe1400 r4:c0c592dc <4>[ 154.593107] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 154.601206] r9:c07e2978 r8:c6a65f60 r7:c290d000 r6:b6e05000 r5:c2fe1400 r4:00000000 <4>[ 154.609219] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 154.616626] r10:00000004 r9:00000000 r8:00000000 r7:b6e05000 r6:c6a64000 r5:c2fe1400 <4>[ 154.624720] r4:c2fe1400 <4>[ 154.627526] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 154.634930] r9:c6a64000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000017 r4:00000017 <4>[ 154.642948] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 154.650783] Exception stack(0xc6a65fa8 to 0xc6a65ff0) <4>[ 154.656106] 5fa0: 00000017 00000017 00000001 b6e05000 00000017 00000001 <4>[ 154.664553] 5fc0: 00000017 00000017 7ff00000 00000004 00000001 b6e05000 00020000 0049fe38 <4>[ 154.672998] 5fe0: 00000004 beda07e8 b6ecb33b b6e44616 <4>[ 154.678367] irq event stamp: 0 <4>[ 154.681719] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 154.687590] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 154.695378] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 154.703157] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 154.709019] ---[ end trace 6c61b7a51df8f47a ]--- <6>[ 154.713938] lkdtm: Saturation detected: still saturated <3>[ 180.730596] rcu: INFO: rcu_sched self-detected stall on CPU <3>[ 180.736454] rcu: 0-....: (1 GPs behind) idle=a92/1/0x40000004 softirq=7076/7077 fqs=1300 <4>[ 180.744987] (t=2602 jiffies g=7709 q=66) <4>[ 180.749265] NMI backtrace for cpu 0 <4>[ 180.753026] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G D W 5.10.217-cip47 #1 <4>[ 180.761297] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 180.768090] Backtrace: <4>[ 180.770830] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 180.778671] r7:ffffffff r6:60070193 r5:00000000 r4:c1f1ced8 <4>[ 180.784603] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 180.792188] [] (dump_stack) from [] (nmi_cpu_backtrace+0xd0/0xfc) <4>[ 180.800287] r9:c19dac48 r8:c1408220 r7:00000000 r6:00000000 r5:00000000 r4:00000000 <4>[ 180.808304] [] (nmi_cpu_backtrace) from [] (nmi_trigger_cpumask_backtrace+0x11c/0x17c) <4>[ 180.818224] r5:c1e16800 r4:c03115d8 <4>[ 180.822078] [] (nmi_trigger_cpumask_backtrace) from [] (arch_trigger_cpumask_backtrace+0x20/0x24) <4>[ 180.832957] r9:c19dac48 r8:c2069d60 r7:c1e15d9c r6:c1ea9300 r5:c1ea9300 r4:00000000 <4>[ 180.840972] [] (arch_trigger_cpumask_backtrace) from [] (rcu_dump_cpu_stacks+0x104/0x13c) <4>[ 180.851162] [] (rcu_dump_cpu_stacks) from [] (rcu_sched_clock_irq+0xd40/0x102c) <4>[ 180.860480] r10:c1e16560 r9:c1dad480 r8:c206b020 r7:c1e15d98 r6:ef78e480 r5:c1e167f4 <4>[ 180.868573] r4:c1ea9300 <4>[ 180.871385] [] (rcu_sched_clock_irq) from [] (update_process_times+0x6c/0x8c) <4>[ 180.880528] r10:c1e00000 r9:ef786a20 r8:ef7869c0 r7:13c067cc r6:c1e01d28 r5:c1e00000 <4>[ 180.888622] r4:00000000 <4>[ 180.891431] [] (update_process_times) from [] (tick_sched_handle+0x64/0x68) <4>[ 180.900396] r5:0000002a r4:ef786f68 <4>[ 180.904242] [] (tick_sched_handle) from [] (tick_sched_timer+0x5c/0xbc) <4>[ 180.912866] [] (tick_sched_timer) from [] (__hrtimer_run_queues+0x2d0/0x578) <4>[ 180.921919] r9:ef786a20 r8:ef7869c0 r7:c042297c r6:00000000 r5:c1e15d98 r4:ef786f68 <4>[ 180.929936] [] (__hrtimer_run_queues) from [] (hrtimer_interrupt+0x13c/0x35c) <4>[ 180.939078] r10:ef786b18 r9:ef786ae0 r8:ef786b20 r7:13c06297 r6:0000002a r5:60070193 <4>[ 180.947171] r4:ef7869c0 <4>[ 180.949978] [] (hrtimer_interrupt) from [] (twd_handler+0x40/0x48) <4>[ 180.958164] r10:c1e00000 r9:c1e01d28 r8:c1e15d98 r7:00000018 r6:c1e16880 r5:c2971700 <4>[ 180.966258] r4:00000001 <4>[ 180.969070] [] (twd_handler) from [] (handle_percpu_devid_irq+0xe0/0x348) <4>[ 180.977861] r5:c2971700 r4:c2959400 <4>[ 180.981709] [] (handle_percpu_devid_irq) from [] (__handle_domain_irq+0x8c/0xe0) <4>[ 180.991110] r9:c1e01d28 r8:c281c400 r7:00000001 r6:c1e01e60 r5:00000000 r4:c1dab49c <4>[ 180.999125] [] (__handle_domain_irq) from [] (gic_handle_irq+0xa0/0xc0) <4>[ 181.007745] r9:c1e01d28 r8:f400010c r7:c1dab4c0 r6:f4000100 r5:c1f1d844 r4:c1e16880 <4>[ 181.015758] [] (gic_handle_irq) from [] (__irq_svc+0x70/0x98) <4>[ 181.023507] Exception stack(0xc1e01d28 to 0xc1e01d70) <4>[ 181.028830] 1d20: c0301f14 ffffe000 00000000 c1e00000 c1e01d78 00000000 <4>[ 181.037278] 1d40: 00000000 00000001 c281c400 00000080 c1e00000 c1e01de4 c1e01d50 c1e01d78 <4>[ 181.045723] 1d60: c0478294 c0301f18 60070113 ffffffff <4>[ 181.051044] r9:c1e00000 r8:c281c400 r7:c1e01d5c r6:ffffffff r5:60070113 r4:c0301f18 <4>[ 181.059061] [] (__do_softirq) from [] (__irq_exit_rcu+0x178/0x1d0) <4>[ 181.067246] r10:00000024 r9:c1e01e60 r8:c281c400 r7:00000001 r6:00000000 r5:00000000 <4>[ 181.075341] r4:ffffe000 <4>[ 181.078146] [] (__irq_exit_rcu) from [] (irq_exit+0x18/0x38) <4>[ 181.085810] r5:00000000 r4:c1dab49c <4>[ 181.089656] [] (irq_exit) from [] (__handle_domain_irq+0x90/0xe0) <4>[ 181.097758] [] (__handle_domain_irq) from [] (gic_handle_irq+0xa0/0xc0) <4>[ 181.106378] r9:c1e01e60 r8:f400010c r7:c1dab4c0 r6:f4000100 r5:c1f1d844 r4:c1e16880 <4>[ 181.114390] [] (gic_handle_irq) from [] (__irq_svc+0x70/0x98) <4>[ 181.122137] Exception stack(0xc1e01e60 to 0xc1e01ea8) <4>[ 181.127460] 1e60: c0ffdf7c ffffe000 00000000 c1e00000 00000000 c1e1ebf0 ef78cb78 00000000 <4>[ 181.135906] 1e80: c1e15d98 c206b760 00000024 c1e01eec c1e01e88 c1e01eb0 c0478294 c0ffdf80 <4>[ 181.144349] 1ea0: 60070013 ffffffff <4>[ 181.148107] r9:c1e00000 r8:c1e15d98 r7:c1e01e94 r6:ffffffff r5:60070013 r4:c0ffdf80 <4>[ 181.156125] [] (cpuidle_enter_state) from [] (cpuidle_enter+0x68/0x6c) <4>[ 181.164658] r10:c1e1ebf0 r9:c1e00000 r8:ef78cb78 r7:c1e15ddc r6:00000000 r5:c1e1ebf0 <4>[ 181.172752] r4:ef78cb78 <4>[ 181.175560] [] (cpuidle_enter) from [] (do_idle+0x248/0x308) <4>[ 181.183224] r7:c1e15ddc r6:c1e15d98 r5:c1e00000 r4:00000000 <4>[ 181.189154] [] (do_idle) from [] (cpu_startup_entry+0x28/0x2c) <4>[ 181.196994] r10:c4f862d5 r9:c1cd1a78 r8:00000000 r7:c26e7c80 r6:00000002 r5:c1e01f68 <4>[ 181.205087] r4:000000dc <4>[ 181.207902] [] (cpu_startup_entry) from [] (rest_init+0x1c4/0x320) <4>[ 181.216094] [] (rest_init) from [] (arch_call_rest_init+0x18/0x1c) <4>[ 181.224278] r6:c1e00000 r5:00000001 r4:c20a6068 <4>[ 181.229167] [] (arch_call_rest_init) from [] (start_kernel+0x548/0x580) <4>[ 181.237790] [] (start_kernel) from [<00000000>] (0x0) <3>[ 258.760598] rcu: INFO: rcu_sched self-detected stall on CPU <3>[ 258.766458] rcu: 0-....: (1 GPs behind) idle=a92/1/0x40000004 softirq=7076/7077 fqs=5057 <4>[ 258.774991] (t=10405 jiffies g=7709 q=102) <4>[ 258.779442] NMI backtrace for cpu 0 <4>[ 258.783204] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G D W 5.10.217-cip47 #1 <4>[ 258.791473] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 258.798267] Backtrace: <4>[ 258.801005] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 258.808845] r7:ffffffff r6:60070193 r5:00000000 r4:c1f1ced8 <4>[ 258.814779] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 258.822361] [] (dump_stack) from [] (nmi_cpu_backtrace+0xd0/0xfc) <4>[ 258.830461] r9:c19dac48 r8:c1408220 r7:00000000 r6:00000000 r5:00000000 r4:00000000 <4>[ 258.838478] [] (nmi_cpu_backtrace) from [] (nmi_trigger_cpumask_backtrace+0x11c/0x17c) <4>[ 258.848397] r5:c1e16800 r4:c03115d8 <4>[ 258.852250] [] (nmi_trigger_cpumask_backtrace) from [] (arch_trigger_cpumask_backtrace+0x20/0x24) <4>[ 258.863127] r9:c19dac48 r8:c2069d60 r7:c1e15d9c r6:c1ea9300 r5:c1ea9300 r4:00000000 <4>[ 258.871143] [] (arch_trigger_cpumask_backtrace) from [] (rcu_dump_cpu_stacks+0x104/0x13c) <4>[ 258.881334] [] (rcu_dump_cpu_stacks) from [] (rcu_sched_clock_irq+0xd40/0x102c) <4>[ 258.890649] r10:c1e16560 r9:c1dad480 r8:c206b020 r7:c1e15d98 r6:ef78e480 r5:c1e167f4 <4>[ 258.898746] r4:c1ea9300 <4>[ 258.901557] [] (rcu_sched_clock_irq) from [] (update_process_times+0x6c/0x8c) <4>[ 258.910700] r10:c1e00000 r9:ef786a20 r8:ef7869c0 r7:3eb3b8a3 r6:c1e01d28 r5:c1e00000 <4>[ 258.918796] r4:00000000 <4>[ 258.921604] [] (update_process_times) from [] (tick_sched_handle+0x64/0x68) <4>[ 258.930569] r5:0000003c r4:ef786f68 <4>[ 258.934419] [] (tick_sched_handle) from [] (tick_sched_timer+0x5c/0xbc) <4>[ 258.943043] [] (tick_sched_timer) from [] (__hrtimer_run_queues+0x2d0/0x578) <4>[ 258.952098] r9:ef786a20 r8:ef7869c0 r7:c042297c r6:00000000 r5:c1e15d98 r4:ef786f68 <4>[ 258.960112] [] (__hrtimer_run_queues) from [] (hrtimer_interrupt+0x13c/0x35c) <4>[ 258.969254] r10:ef786b18 r9:ef786ae0 r8:ef786b20 r7:3eb3b36d r6:0000003c r5:60070193 <4>[ 258.977348] r4:ef7869c0 <4>[ 258.980156] [] (hrtimer_interrupt) from [] (twd_handler+0x40/0x48) <4>[ 258.988346] r10:c1e00000 r9:c1e01d28 r8:c1e15d98 r7:00000018 r6:c1e16880 r5:c2971700 <4>[ 258.996441] r4:00000001 <4>[ 258.999253] [] (twd_handler) from [] (handle_percpu_devid_irq+0xe0/0x348) <4>[ 259.008045] r5:c2971700 r4:c2959400 <4>[ 259.011893] [] (handle_percpu_devid_irq) from [] (__handle_domain_irq+0x8c/0xe0) <4>[ 259.021296] r9:c1e01d28 r8:c281c400 r7:00000001 r6:c1e01e60 r5:00000000 r4:c1dab49c <4>[ 259.029312] [] (__handle_domain_irq) from [] (gic_handle_irq+0xa0/0xc0) <4>[ 259.037932] r9:c1e01d28 r8:f400010c r7:c1dab4c0 r6:f4000100 r5:c1f1d844 r4:c1e16880 <4>[ 259.045946] [] (gic_handle_irq) from [] (__irq_svc+0x70/0x98) <4>[ 259.053696] Exception stack(0xc1e01d28 to 0xc1e01d70) <4>[ 259.059018] 1d20: c0301f14 ffffe000 00000000 c1e00000 c1e01d78 00000000 <4>[ 259.067466] 1d40: 00000000 00000001 c281c400 00000080 c1e00000 c1e01de4 c1e01d50 c1e01d78 <4>[ 259.075909] 1d60: c0478294 c0301f18 60070113 ffffffff <4>[ 259.081231] r9:c1e00000 r8:c281c400 r7:c1e01d5c r6:ffffffff r5:60070113 r4:c0301f18 <4>[ 259.089248] [] (__do_softirq) from [] (__irq_exit_rcu+0x178/0x1d0) <4>[ 259.097433] r10:00000024 r9:c1e01e60 r8:c281c400 r7:00000001 r6:00000000 r5:00000000 <4>[ 259.105527] r4:ffffe000 <4>[ 259.108332] [] (__irq_exit_rcu) from [] (irq_exit+0x18/0x38) <4>[ 259.115993] r5:00000000 r4:c1dab49c <4>[ 259.119839] [] (irq_exit) from [] (__handle_domain_irq+0x90/0xe0) <4>[ 259.127938] [] (__handle_domain_irq) from [] (gic_handle_irq+0xa0/0xc0) <4>[ 259.136558] r9:c1e01e60 r8:f400010c r7:c1dab4c0 r6:f4000100 r5:c1f1d844 r4:c1e16880 <4>[ 259.144571] [] (gic_handle_irq) from [] (__irq_svc+0x70/0x98) <4>[ 259.152318] Exception stack(0xc1e01e60 to 0xc1e01ea8) <4>[ 259.157640] 1e60: c0ffdf7c ffffe000 00000000 c1e00000 00000000 c1e1ebf0 ef78cb78 00000000 <4>[ 259.166087] 1e80: c1e15d98 c206b760 00000024 c1e01eec c1e01e88 c1e01eb0 c0478294 c0ffdf80 <4>[ 259.174530] 1ea0: 60070013 ffffffff <4>[ 259.178288] r9:c1e00000 r8:c1e15d98 r7:c1e01e94 r6:ffffffff r5:60070013 r4:c0ffdf80 <4>[ 259.186306] [] (cpuidle_enter_state) from [] (cpuidle_enter+0x68/0x6c) <4>[ 259.194841] r10:c1e1ebf0 r9:c1e00000 r8:ef78cb78 r7:c1e15ddc r6:00000000 r5:c1e1ebf0 <4>[ 259.202935] r4:ef78cb78 <4>[ 259.205745] [] (cpuidle_enter) from [] (do_idle+0x248/0x308) <4>[ 259.213409] r7:c1e15ddc r6:c1e15d98 r5:c1e00000 r4:00000000 <4>[ 259.219340] [] (do_idle) from [] (cpu_startup_entry+0x28/0x2c) <4>[ 259.227179] r10:c4f862d5 r9:c1cd1a78 r8:00000000 r7:c26e7c80 r6:00000002 r5:c1e01f68 <4>[ 259.235274] r4:000000dc <4>[ 259.238089] [] (cpu_startup_entry) from [] (rest_init+0x1c4/0x320) <4>[ 259.246282] [] (rest_init) from [] (arch_call_rest_init+0x18/0x1c) <4>[ 259.254465] r6:c1e00000 r5:00000001 r4:c20a6068 <4>[ 259.259355] [] (arch_call_rest_init) from [] (start_kernel+0x548/0x580) <4>[ 259.267980] [] (start_kernel) from [<00000000>] (0x0) <3>[ 336.790598] rcu: INFO: rcu_sched self-detected stall on CPU <3>[ 336.796457] rcu: 0-....: (1 GPs behind) idle=a92/1/0x40000004 softirq=7076/7077 fqs=8776 <4>[ 336.804989] (t=18208 jiffies g=7709 q=357) <4>[ 336.809439] NMI backtrace for cpu 0 <4>[ 336.813199] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G D W 5.10.217-cip47 #1 <4>[ 336.821469] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 336.828263] Backtrace: <4>[ 336.830998] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 336.838839] r7:ffffffff r6:60070193 r5:00000000 r4:c1f1ced8 <4>[ 336.844771] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 336.852354] [] (dump_stack) from [] (nmi_cpu_backtrace+0xd0/0xfc) <4>[ 336.860454] r9:c19dac48 r8:c1408220 r7:00000000 r6:00000000 r5:00000000 r4:00000000 <4>[ 336.868469] [] (nmi_cpu_backtrace) from [] (nmi_trigger_cpumask_backtrace+0x11c/0x17c) <4>[ 336.878388] r5:c1e16800 r4:c03115d8 <4>[ 336.882239] [] (nmi_trigger_cpumask_backtrace) from [] (arch_trigger_cpumask_backtrace+0x20/0x24) <4>[ 336.893118] r9:c19dac48 r8:c2069d60 r7:c1e15d9c r6:c1ea9300 r5:c1ea9300 r4:00000000 <4>[ 336.901136] [] (arch_trigger_cpumask_backtrace) from [] (rcu_dump_cpu_stacks+0x104/0x13c) <4>[ 336.911324] [] (rcu_dump_cpu_stacks) from [] (rcu_sched_clock_irq+0xd40/0x102c) <4>[ 336.920640] r10:c1e16560 r9:c1dad480 r8:c206b020 r7:c1e15d98 r6:ef78e480 r5:c1e167f4 <4>[ 336.928734] r4:c1ea9300 <4>[ 336.931543] [] (rcu_sched_clock_irq) from [] (update_process_times+0x6c/0x8c) <4>[ 336.940686] r10:c1e00000 r9:ef786a20 r8:ef7869c0 r7:69a70eaf r6:c1e01d28 r5:c1e00000 <4>[ 336.948780] r4:00000000 <4>[ 336.951587] [] (update_process_times) from [] (tick_sched_handle+0x64/0x68) <4>[ 336.960553] r5:0000004e r4:ef786f68 <4>[ 336.964401] [] (tick_sched_handle) from [] (tick_sched_timer+0x5c/0xbc) <4>[ 336.973025] [] (tick_sched_timer) from [] (__hrtimer_run_queues+0x2d0/0x578) <4>[ 336.982080] r9:ef786a20 r8:ef7869c0 r7:c042297c r6:00000000 r5:c1e15d98 r4:ef786f68 <4>[ 336.990096] [] (__hrtimer_run_queues) from [] (hrtimer_interrupt+0x13c/0x35c) <4>[ 336.999238] r10:ef786b18 r9:ef786ae0 r8:ef786b20 r7:69a70979 r6:0000004e r5:60070193 <4>[ 337.007331] r4:ef7869c0 <4>[ 337.010138] [] (hrtimer_interrupt) from [] (twd_handler+0x40/0x48) <4>[ 337.018325] r10:c1e00000 r9:c1e01d28 r8:c1e15d98 r7:00000018 r6:c1e16880 r5:c2971700 <4>[ 337.026420] r4:00000001 <4>[ 337.029232] [] (twd_handler) from [] (handle_percpu_devid_irq+0xe0/0x348) <4>[ 337.038023] r5:c2971700 r4:c2959400 <4>[ 337.041872] [] (handle_percpu_devid_irq) from [] (__handle_domain_irq+0x8c/0xe0) <4>[ 337.051273] r9:c1e01d28 r8:c281c400 r7:00000001 r6:c1e01e60 r5:00000000 r4:c1dab49c <4>[ 337.059287] [] (__handle_domain_irq) from [] (gic_handle_irq+0xa0/0xc0) <4>[ 337.067909] r9:c1e01d28 r8:f400010c r7:c1dab4c0 r6:f4000100 r5:c1f1d844 r4:c1e16880 <4>[ 337.075924] [] (gic_handle_irq) from [] (__irq_svc+0x70/0x98) <4>[ 337.083673] Exception stack(0xc1e01d28 to 0xc1e01d70) <4>[ 337.088996] 1d20: c0301f14 ffffe000 00000000 c1e00000 c1e01d78 00000000 <4>[ 337.097444] 1d40: 00000000 00000001 c281c400 00000080 c1e00000 c1e01de4 c1e01d50 c1e01d78 <4>[ 337.105889] 1d60: c0478294 c0301f18 60070113 ffffffff <4>[ 337.111210] r9:c1e00000 r8:c281c400 r7:c1e01d5c r6:ffffffff r5:60070113 r4:c0301f18 <4>[ 337.119226] [] (__do_softirq) from [] (__irq_exit_rcu+0x178/0x1d0) <4>[ 337.127413] r10:00000024 r9:c1e01e60 r8:c281c400 r7:00000001 r6:00000000 r5:00000000 <4>[ 337.135507] r4:ffffe000 <4>[ 337.138312] [] (__irq_exit_rcu) from [] (irq_exit+0x18/0x38) <4>[ 337.145973] r5:00000000 r4:c1dab49c <4>[ 337.149822] [] (irq_exit) from [] (__handle_domain_irq+0x90/0xe0) <4>[ 337.157923] [] (__handle_domain_irq) from [] (gic_handle_irq+0xa0/0xc0) <4>[ 337.166545] r9:c1e01e60 r8:f400010c r7:c1dab4c0 r6:f4000100 r5:c1f1d844 r4:c1e16880 <4>[ 337.174559] [] (gic_handle_irq) from [] (__irq_svc+0x70/0x98) <4>[ 337.182309] Exception stack(0xc1e01e60 to 0xc1e01ea8) <4>[ 337.187631] 1e60: c0ffdf7c ffffe000 00000000 c1e00000 00000000 c1e1ebf0 ef78cb78 00000000 <4>[ 337.196079] 1e80: c1e15d98 c206b760 00000024 c1e01eec c1e01e88 c1e01eb0 c0478294 c0ffdf80 <4>[ 337.204520] 1ea0: 60070013 ffffffff <4>[ 337.208278] r9:c1e00000 r8:c1e15d98 r7:c1e01e94 r6:ffffffff r5:60070013 r4:c0ffdf80 <4>[ 337.216296] [] (cpuidle_enter_state) from [] (cpuidle_enter+0x68/0x6c) <4>[ 337.224830] r10:c1e1ebf0 r9:c1e00000 r8:ef78cb78 r7:c1e15ddc r6:00000000 r5:c1e1ebf0 <4>[ 337.232925] r4:ef78cb78 <4>[ 337.235734] [] (cpuidle_enter) from [] (do_idle+0x248/0x308) <4>[ 337.243397] r7:c1e15ddc r6:c1e15d98 r5:c1e00000 r4:00000000 <4>[ 337.249330] [] (do_idle) from [] (cpu_startup_entry+0x28/0x2c) <4>[ 337.257169] r10:c4f862d5 r9:c1cd1a78 r8:00000000 r7:c26e7c80 r6:00000002 r5:c1e01f68 <4>[ 337.265263] r4:000000dc <4>[ 337.268077] [] (cpu_startup_entry) from [] (rest_init+0x1c4/0x320) <4>[ 337.276268] [] (rest_init) from [] (arch_call_rest_init+0x18/0x1c) <4>[ 337.284451] r6:c1e00000 r5:00000001 r4:c20a6068 <4>[ 337.289341] [] (arch_call_rest_init) from [] (start_kernel+0x548/0x580) <4>[ 337.297965] [] (start_kernel) from [<00000000>] (0x0) # <5>[ 397.290704] nfs: server 192.168.201.1 not responding, still trying <5>[ 397.290711] nfs: server 192.168.201.1 not responding, still trying <5>[ 410.085355] nfs: server 192.168.201.1 not responding, still trying <5>[ 410.086259] nfs: server 192.168.201.1 OK <5>[ 410.087691] nfs: server 192.168.201.1 OK <5>[ 410.087864] nfs: server 192.168.201.1 not responding, still trying not ok 53 selftests: lkdtm: REFCO<5>[ 410.095979] nfs: server 192.168.201.1 not responding, still trying UNT_DEC_SATURATED.sh # TIMEOUT 45<5>[ 410.096447] nfs: server 192.168.201.1 not responding, still trying <5>[ 410.111498] nfs: server 192.168.201.1 not responding, still trying seconds <5>[ 410.113342] nfs: server 192.168.201.1 not responding, still trying <5>[ 410.116127] nfs: server 192.168.201.1 not responding, still trying <5>[ 410.116211] nfs: server 192.168.201.1 not responding, still trying <5>[ 410.116274] nfs: server 192.168.201.1 not responding, still trying # set[e s t4s1:0 .l1k1d6t2m93] nfs: server 192.168.201.1 not responding, still trying REFCOUNT_ADD_SATURATED.sh <5>[ 410.122164] nfs: server 192.168.201.1 OK <5>[ 410.122315] nfs: server 192.168.201.1 OK <5>[ 410.122428] nfs: server 192.168.201.1 OK <5>[ 410.122549] nfs: server 192.168.201.1 OK <5>[ 410.122640] nfs: server 192.168.201.1 OK <5>[ 410.122742] nfs: server 192.168.201.1 OK <5>[ 410.122843] nfs: server 192.168.201.1 OK <5>[ 410.122880] nfs: server 192.168.201.1 OK <3>[ 436.220594] rcu: INFO: rcu_sched self-detected stall on CPU <3>[ 436.226451] rcu: 0-....: (1 GPs behind) idle=3e2/1/0x40000004 softirq=7109/7110 fqs=1070 <4>[ 436.234982] (t=2602 jiffies g=7749 q=141) <4>[ 436.239347] NMI backtrace for cpu 0 <4>[ 436.243108] CPU: 0 PID: 3077 Comm: timeout Tainted: G D W 5.10.217-cip47 #1 <4>[ 436.251464] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 436.258256] Backtrace: <4>[ 436.260997] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 436.268838] r7:ffffffff r6:600f0193 r5:00000000 r4:c1f1ced8 <4>[ 436.274772] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 436.282357] [] (dump_stack) from [] (nmi_cpu_backtrace+0xd0/0xfc) <4>[ 436.290457] r9:c19dac48 r8:c1408220 r7:00000000 r6:00000000 r5:00000000 r4:00000000 <4>[ 436.298473] [] (nmi_cpu_backtrace) from [] (nmi_trigger_cpumask_backtrace+0x11c/0x17c) <4>[ 436.308393] r5:c1e16800 r4:c03115d8 <4>[ 436.312246] [] (nmi_trigger_cpumask_backtrace) from [] (arch_trigger_cpumask_backtrace+0x20/0x24) <4>[ 436.323124] r9:c19dac48 r8:c2069d60 r7:c1e15d9c r6:c1ea9300 r5:c1ea9300 r4:00000000 <4>[ 436.331139] [] (arch_trigger_cpumask_backtrace) from [] (rcu_dump_cpu_stacks+0x104/0x13c) <4>[ 436.341330] [] (rcu_dump_cpu_stacks) from [] (rcu_sched_clock_irq+0xd40/0x102c) <4>[ 436.350645] r10:c1e16560 r9:c1dad480 r8:c206b020 r7:c1e15d98 r6:ef78e480 r5:c1e167f4 <4>[ 436.358740] r4:c1ea9300 <4>[ 436.361548] [] (rcu_sched_clock_irq) from [] (update_process_times+0x6c/0x8c) <4>[ 436.370690] r10:c58f0000 r9:ef786a20 r8:ef7869c0 r7:90246b1d r6:c58f1b60 r5:c58f0000 <4>[ 436.378784] r4:00000000 <4>[ 436.381592] [] (update_process_times) from [] (tick_sched_handle+0x64/0x68) <4>[ 436.390555] r5:00000065 r4:ef786f68 <4>[ 436.394404] [] (tick_sched_handle) from [] (tick_sched_timer+0x5c/0xbc) <4>[ 436.403026] [] (tick_sched_timer) from [] (__hrtimer_run_queues+0x2d0/0x578) <4>[ 436.412083] r9:ef786a20 r8:ef7869c0 r7:c042297c r6:00000000 r5:c1e15d98 r4:ef786f68 <4>[ 436.420099] [] (__hrtimer_run_queues) from [] (hrtimer_interrupt+0x13c/0x35c) <4>[ 436.429241] r10:ef786b18 r9:ef786ae0 r8:ef786b20 r7:90246735 r6:00000065 r5:600f0193 <4>[ 436.437335] r4:ef7869c0 <4>[ 436.440144] [] (hrtimer_interrupt) from [] (twd_handler+0x40/0x48) <4>[ 436.448330] r10:c58f0000 r9:c58f1b60 r8:c1e15d98 r7:00000018 r6:c1e16880 r5:c2971700 <4>[ 436.456425] r4:00000001 <4>[ 436.459238] [] (twd_handler) from [] (handle_percpu_devid_irq+0xe0/0x348) <4>[ 436.468029] r5:c2971700 r4:c2959400 <4>[ 436.471878] [] (handle_percpu_devid_irq) from [] (__handle_domain_irq+0x8c/0xe0) <4>[ 436.481280] r9:c58f1b60 r8:c281c400 r7:00000001 r6:c58f1c98 r5:00000000 r4:c1dab49c <4>[ 436.489297] [] (__handle_domain_irq) from [] (gic_handle_irq+0xa0/0xc0) <4>[ 436.497917] r9:c58f1b60 r8:f400010c r7:c1dab4c0 r6:f4000100 r5:c1f1d844 r4:c1e16880 <4>[ 436.505931] [] (gic_handle_irq) from [] (__irq_svc+0x70/0x98) <4>[ 436.513679] Exception stack(0xc58f1b60 to 0xc58f1ba8) <4>[ 436.519003] 1b60: c0301f14 ffffe000 00000000 c58f0000 c58f1bb0 00000000 00000000 00000001 <4>[ 436.527450] 1b80: c281c400 00000082 c58f0000 c58f1c1c c58f1b88 c58f1bb0 c0478294 c0301f18 <4>[ 436.535892] 1ba0: 600f0113 ffffffff <4>[ 436.539651] r9:c58f0000 r8:c281c400 r7:c58f1b94 r6:ffffffff r5:600f0113 r4:c0301f18 <4>[ 436.547666] [] (__do_softirq) from [] (__irq_exit_rcu+0x178/0x1d0) <4>[ 436.555853] r10:00000142 r9:c58f1c98 r8:c281c400 r7:00000001 r6:00000000 r5:00000000 <4>[ 436.563947] r4:ffffe000 <4>[ 436.566752] [] (__irq_exit_rcu) from [] (irq_exit+0x18/0x38) <4>[ 436.574413] r5:00000000 r4:c1dab49c <4>[ 436.578259] [] (irq_exit) from [] (__handle_domain_irq+0x90/0xe0) <4>[ 436.586360] [] (__handle_domain_irq) from [] (gic_handle_irq+0xa0/0xc0) <4>[ 436.594980] r9:c58f1c98 r8:f400010c r7:c1dab4c0 r6:f4000100 r5:c1f1d844 r4:c1e16880 <4>[ 436.602992] [] (gic_handle_irq) from [] (__irq_svc+0x70/0x98) <4>[ 436.610740] Exception stack(0xc58f1c98 to 0xc58f1ce0) <4>[ 436.616058] 1c80: c6426968 2d9e1000 <4>[ 436.624504] 1ca0: d43cc277 d43cc277 c6426968 00000001 c641a6c0 fffffff6 c58f1da8 c6426900 <4>[ 436.632951] 1cc0: 00000142 c58f1cfc c58f1c98 c58f1ce8 c13abc8c c03d0028 600f0013 ffffffff <4>[ 436.641398] r9:c58f0000 r8:c58f1da8 r7:c58f1ccc r6:ffffffff r5:600f0013 r4:c03d0028 <4>[ 436.649418] [] (_raw_spin_unlock) from [] (lockref_get_not_dead+0x34/0x3c) <4>[ 436.658294] r5:00000001 r4:c6426968 <4>[ 436.662149] [] (lockref_get_not_dead) from [] (try_to_unlazy_next+0x60/0x278) <4>[ 436.671286] r5:00000002 r4:c58f1e40 <4>[ 436.675133] [] (try_to_unlazy_next) from [] (lookup_fast+0x150/0x18c) <4>[ 436.683578] r7:fffffff6 r6:c58f0000 r5:c58f1e40 r4:c641a6c0 <4>[ 436.689508] [] (lookup_fast) from [] (path_openat+0x138/0xf00) <4>[ 436.697346] r9:c4139010 r8:c58f1f10 r7:c6a50280 r6:c6426900 r5:c58f1e40 r4:00020000 <4>[ 436.705362] [] (path_openat) from [] (do_filp_open+0x88/0x12c) <4>[ 436.713201] r10:00000142 r9:c58f0000 r8:00000001 r7:c58f1e40 r6:c58f1f10 r5:c58f0000 <4>[ 436.721294] r4:c58f1f50 <4>[ 436.724103] [] (do_filp_open) from [] (do_sys_openat2+0xac/0x164) <4>[ 436.732201] r8:ffffff9c r7:c58f0000 r6:00000005 r5:c4139000 r4:c58f1f50 <4>[ 436.739172] [] (do_sys_openat2) from [] (sys_openat+0xb0/0xcc) <4>[ 436.747010] r8:c03002e4 r7:00000142 r6:b6fc92b4 r5:ffffff9c r4:c58f0000 <4>[ 436.753982] [] (sys_openat) from [] (ret_fast_syscall+0x0/0x28) <4>[ 436.761904] Exception stack(0xc58f1fa8 to 0xc58f1ff0) <4>[ 436.767224] 1fa0: 00000000 b6fcda00 ffffff9c b6fc92b4 000a0000 00000000 <4>[ 436.775671] 1fc0: 00000000 b6fcda00 00000001 00000142 00000001 b6fcdc20 be9c8e40 be9c8e3f <4>[ 436.784114] 1fe0: 00000142 be9c8d30 b6fc3ca9 b6fc2e36 <4>[ 436.789432] r6:00000001 r5:b6fcda00 r4:00000000 <28>[ 500.176431] systemd[1]: systemd-journald.service: State 'stop-watchdog' timed out. Killing.