[Enter `^Ec?' for help] U-Boot 2021.10+dfsg-1+apertis10bv2023dev2b2 (Apr 18 2022 - 16:34:49 +0000) CPU: Freescale i.MX6Q rev1.0 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 sst25vf016b 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 6 FEC [PRIME], usb_ether Error: usb_ether address not set. starting USB... Bus usb@2184000: usb dr_mode not found Bus usb@2184200: USB EHCI 1.00 scanning bus usb@2184000 for devices... 1 USB Device(s) found scanning bus usb@2184200 for devices... 2 USB Device(s) found scanning usb for storage devices... 0 Storage Device(s) found scanning usb for ethernet devices... 0 Ethernet Device(s) found Hit any key to stop autoboot: 3  0 => setenv autoload no setenv autoload no => setenv initrd_high 0xffffffff setenv initrd_high 0xffffffff => setenv fdt_high 0xffffffff setenv fdt_high 0xffffffff => dhcp dhcp BOOTP broadcast 1 DHCP client bound to address 192.168.101.100 (2 ms) => setenv serverip 192.168.101.1 setenv serverip 192.168.101.1 => tftp 0x10000000 7059222/tftp-deploy-af5qa9ex/kernel/zImage tftp 0x10000000 7059222/tftp-deploy-af5qa9ex/kernel/zImage Using FEC device TFTP from server 192.168.101.1; our IP address is 192.168.101.100 Filename '7059222/tftp-deploy-af5qa9ex/kernel/zImage'. Load address: 0x10000000 Loading: *################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ### 3 MiB/s done Bytes transferred = 12444160 (bde200 hex) => tftp 0x14000000 7059222/tftp-deploy-af5qa9ex/ramdisk/ramdisk.cpio.gz.uboot tftp 0x14000000 7059222/tftp-deploy-af5qa9ex/ramdisk/ramdisk.cpio.gz.uboot Using FEC device TFTP from server 192.168.101.1; our IP address is 192.168.101.100 Filename '7059222/tftp-deploy-af5qa9ex/ramdisk/ramdisk.cpio.gz.uboot'. Load address: 0x14000000 Loading: *################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# 2.8 MiB/s done Bytes transferred = 15259760 (e8d870 hex) => setenv initrd_size ${filesize} setenv initrd_size ${filesize} => tftp 0x13f00000 7059222/tftp-deploy-af5qa9ex/dtb/imx6q-sabrelite.dtb tftp 0x13f00000 7059222/tftp-deploy-af5qa9ex/dtb/imx6q-sabrelite.dtb Using FEC device TFTP from server 192.168.101.1; our IP address is 192.168.101.100 Filename '7059222/tftp-deploy-af5qa9ex/dtb/imx6q-sabrelite.dtb'. Load address: 0x13f00000 Loading: *### 2.2 MiB/s done Bytes transferred = 42397 (a59d hex) => setenv bootargs 'console=ttymxc1,115200n8 root=/dev/nfs rw nfsroot=192.168.101.1:/var/lib/lava/dispatcher/tmp/7059222/extract-nfsrootfs-69tm6gzd,tcp,hard ip=dhcp' setenv bootargs 'console=ttymxc1,115200n8 root=/dev/nfs rw nfsroot=192.168.101.1:/var/lib/lava/dispatcher/tmp/7059222/extract-nfsrootfs-69tm6gzd,tcp,hard ip=dhcp' => bootz 0x10000000 0x14000000 0x13f00000 bootz 0x10000000 0x14000000 0x13f00000 Kernel image @ 0x10000000 [ 0x000000 - 0xbde200 ] ## Loading init Ramdisk from Legacy Image at 14000000 ... Image Name: Image Type: ARM Linux RAMDisk Image (uncompressed) Data Size: 15259696 Bytes = 14.6 MiB Load Address: 00000000 Entry Point: 00000000 Verifying Checksum ... OK ## Flattened Device Tree blob at 13f00000 Booting using the fdt blob at 0x13f00000 Using Device Tree in place at 13f00000, end 13f0d59c Starting kernel ... [ 0.000000] Booting Linux on physical CPU 0x0 [ 0.000000] Linux version 5.10.131-cip13 (KernelCI@build-j56279-arm-gcc-10-multi-v7-defconfig-kselftest-rf7wm) (arm-linux-gnueabihf-gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Wed Aug 17 10:40:45 UTC 2022 [ 0.000000] CPU: ARMv7 Processor [412fc09a] revision 10 (ARMv7), cr=10c5387d [ 0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache [ 0.000000] OF: fdt: Machine model: Freescale i.MX6 Quad SABRE Lite Board [ 0.000000] Memory policy: Data cache writealloc [ 0.000000] efi: UEFI not found. [ 0.000000] OF: fdt: Reserved memory: unsupported node format, ignoring [ 0.000000] cma: Reserved 64 MiB at 0x4c000000 [ 0.000000] Zone ranges: [ 0.000000] DMA [mem 0x0000000010000000-0x000000003fffffff] [ 0.000000] Normal empty [ 0.000000] HighMem [mem 0x0000000040000000-0x000000004fffffff] [ 0.000000] Movable zone start for each node [ 0.000000] Early memory node ranges [ 0.000000] node 0: [mem 0x0000000010000000-0x000000004fffffff] [ 0.000000] Initmem setup node 0 [mem 0x0000000010000000-0x000000004fffffff] [ 0.000000] percpu: Embedded 21 pages/cpu s55468 r8192 d22356 u86016 [ 0.000000] Built 1 zonelists, mobility grouping on. Total pages: 260608 [ 0.000000] Kernel command line: console=ttymxc1,115200n8 root=/dev/nfs rw nfsroot=192.168.101.1:/var/lib/lava/dispatcher/tmp/7059222/extract-nfsrootfs-69tm6gzd,tcp,hard ip=dhcp [ 0.000000] Dentry cache hash table entries: 131072 (order: 7, 524288 bytes, linear) [ 0.000000] Inode-cache hash table entries: 65536 (order: 6, 262144 bytes, linear) [ 0.000000] mem auto-init: stack:off, heap alloc:off, heap free:off [ 0.000000] Memory: 921616K/1048576K available (17408K kernel code, 2652K rwdata, 8116K rodata, 2048K init, 6694K bss, 61424K reserved, 65536K cma-reserved, 196608K highmem) [ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 [ 0.000000] ftrace: allocating 56033 entries in 165 pages [ 0.000000] ftrace: allocated 165 pages with 4 groups [ 0.000000] Running RCU self tests [ 0.000000] rcu: Hierarchical RCU implementation. [ 0.000000] rcu: RCU event tracing is enabled. [ 0.000000] rcu: RCU lockdep checking is enabled. [ 0.000000] rcu: RCU restricting CPUs from NR_CPUS=16 to nr_cpu_ids=4. [ 0.000000] Rude variant of Tasks RCU enabled. [ 0.000000] Tracing variant of Tasks RCU enabled. [ 0.000000] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. [ 0.000000] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4 [ 0.000000] NR_IRQS: 16, nr_irqs: 16, preallocated irqs: 16 [ 0.000000] L2C-310 errata 752271 769419 enabled [ 0.000000] L2C-310 enabling early BRESP for Cortex-A9 [ 0.000000] L2C-310 full line of zeros enabled for Cortex-A9 [ 0.000000] L2C-310 ID prefetch enabled, offset 16 lines [ 0.000000] L2C-310 dynamic clock gating enabled, standby mode enabled [ 0.000000] L2C-310 cache controller enabled, 16 ways, 1024 kB [ 0.000000] L2C-310: CACHE_ID 0x410000c7, AUX_CTRL 0x76470001 [ 0.000000] Switching to timer-based delay loop, resolution 15ns [ 0.000008] sched_clock: 32 bits at 66MHz, resolution 15ns, wraps every 32537631224ns [ 0.000040] clocksource: mxc_timer1: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 28958491609 ns [ 0.004591] Console: colour dummy device 80x30 [ 0.004660] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 0.004691] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 0.004719] ... MAX_LOCK_DEPTH: 48 [ 0.004747] ... MAX_LOCKDEP_KEYS: 8192 [ 0.004773] ... CLASSHASH_SIZE: 4096 [ 0.004798] ... MAX_LOCKDEP_ENTRIES: 32768 [ 0.004825] ... MAX_LOCKDEP_CHAINS: 65536 [ 0.004852] ... CHAINHASH_SIZE: 32768 [ 0.004879] memory used by lock dependency info: 4061 kB [ 0.004906] memory used for stack traces: 2112 kB [ 0.004932] per task-struct memory footprint: 1536 bytes [ 0.005033] Calibrating delay loop (skipped), value calculated using timer frequency.. 132.00 BogoMIPS (lpj=660000) [ 0.005086] pid_max: default: 32768 minimum: 301 [ 0.005474] LSM: Security Framework initializing [ 0.005590] LSM support for eBPF active [ 0.005739] Mount-cache hash table entries: 2048 (order: 1, 8192 bytes, linear) [ 0.005790] Mountpoint-cache hash table entries: 2048 (order: 1, 8192 bytes, linear) [ 0.008385] CPU: Testing write buffer coherency: ok [ 0.008504] CPU0: Spectre v2: using BPIALL workaround [ 0.009619] CPU0: thread -1, cpu 0, socket 0, mpidr 80000000 [ 0.013597] Setting up static identity map for 0x10300000 - 0x103000ac [ 0.015988] rcu: Hierarchical SRCU implementation. [ 0.025528] EFI services will not be available. [ 0.026859] smp: Bringing up secondary CPUs ... [ 0.030250] CPU1: thread -1, cpu 1, socket 0, mpidr 80000001 [ 0.030266] CPU1: Spectre v2: using BPIALL workaround [ 0.034362] CPU2: thread -1, cpu 2, socket 0, mpidr 80000002 [ 0.034377] CPU2: Spectre v2: using BPIALL workaround [ 0.038116] CPU3: thread -1, cpu 3, socket 0, mpidr 80000003 [ 0.038131] CPU3: Spectre v2: using BPIALL workaround [ 0.039159] smp: Brought up 1 node, 4 CPUs [ 0.039208] SMP: Total of 4 processors activated (528.00 BogoMIPS). [ 0.039244] CPU: All CPU(s) started in SVC mode. [ 0.041902] devtmpfs: initialized [ 0.100165] VFP support v0.3: implementor 41 architecture 3 part 30 variant 9 rev 4 [ 0.102886] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 0.102965] futex hash table entries: 1024 (order: 4, 65536 bytes, linear) [ 0.107735] pinctrl core: initialized pinctrl subsystem [ 0.114876] DMI not present or invalid. [ 0.117261] NET: Registered protocol family 16 [ 0.128681] DMA: preallocated 256 KiB pool for atomic coherent allocations [ 0.138412] thermal_sys: Registered thermal governor 'step_wise' [ 0.139036] cpuidle: using governor menu [ 0.139598] CPU identified as i.MX6Q, silicon rev 1.0 [ 0.886426] vdd1p1: supplied by regulator-dummy [ 0.918252] vdd3p0: supplied by regulator-dummy [ 0.949730] vdd2p5: supplied by regulator-dummy [ 0.981146] vddarm: supplied by regulator-dummy [ 1.013480] vddpu: supplied by regulator-dummy [ 1.043893] vddsoc: supplied by regulator-dummy [ 2.378056] No ATAGs? [ 2.379107] hw-breakpoint: found 5 (+1 reserved) breakpoint and 1 watchpoint registers. [ 2.379193] hw-breakpoint: maximum watchpoint size is 4 bytes. [ 2.399174] imx6q-pinctrl 20e0000.pinctrl: initialized IMX pinctrl driver [ 2.429216] Serial: AMBA PL011 UART driver [ 2.495568] Kprobes globally optimized [ 2.592616] mxs-dma 110000.dma-apbh: initialized [ 2.625765] iommu: Default domain type: Translated [ 2.627904] vgaarb: loaded [ 2.632808] SCSI subsystem initialized [ 2.635032] usbcore: registered new interface driver usbfs [ 2.635349] usbcore: registered new interface driver hub [ 2.635599] usbcore: registered new device driver usb [ 2.643514] i2c i2c-0: IMX I2C adapter registered [ 2.650766] i2c i2c-1: IMX I2C adapter registered [ 2.655400] i2c i2c-2: IMX I2C adapter registered [ 2.660357] pps_core: LinuxPPS API ver. 1 registered [ 2.660400] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 2.660499] PTP clock support registered [ 2.678680] clocksource: Switched to clocksource mxc_timer1 [ 4.381293] NET: Registered protocol family 2 [ 4.382120] IP idents hash table entries: 16384 (order: 5, 131072 bytes, linear) [ 4.385472] tcp_listen_portaddr_hash hash table entries: 512 (order: 2, 22528 bytes, linear) [ 4.385658] TCP established hash table entries: 8192 (order: 3, 32768 bytes, linear) [ 4.385890] TCP bind hash table entries: 8192 (order: 6, 327680 bytes, linear) [ 4.387338] TCP: Hash tables configured (established 8192 bind 8192) [ 4.388508] MPTCP token hash table entries: 1024 (order: 3, 49152 bytes, linear) [ 4.388859] UDP hash table entries: 512 (order: 3, 49152 bytes, linear) [ 4.389120] UDP-Lite hash table entries: 512 (order: 3, 49152 bytes, linear) [ 4.389875] NET: Registered protocol family 1 [ 4.392811] RPC: Registered named UNIX socket transport module. [ 4.392907] RPC: Registered udp transport module. [ 4.392947] RPC: Registered tcp transport module. [ 4.392986] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 4.393041] NET: Registered protocol family 44 [ 4.393107] PCI: CLS 0 bytes, default 64 [ 4.395613] Trying to unpack rootfs image as initramfs... [ 6.283226] Freeing initrd memory: 14904K [ 6.284249] hw perfevents: no interrupt-affinity property for /pmu, guessing. [ 6.285459] hw perfevents: enabled with armv7_cortex_a9 PMU driver, 7 counters available [ 6.294937] Initialise system trusted keyrings [ 6.295996] workingset: timestamp_bits=30 max_order=18 bucket_order=0 [ 6.349224] squashfs: version 4.0 (2009/01/31) Phillip Lougher [ 6.353092] NFS: Registering the id_resolver key type [ 6.353313] Key type id_resolver registered [ 6.353405] Key type id_legacy registered [ 6.354083] nfs4filelayout_init: NFSv4 File Layout Driver Registering... [ 6.354185] nfs4flexfilelayout_init: NFSv4 Flexfile Layout Driver Registering... [ 6.354381] ntfs: driver 2.1.32 [Flags: R/O]. [ 6.356754] Key type asymmetric registered [ 6.356879] Asymmetric key parser 'x509' registered [ 6.357312] bounce: pool size: 64 pages [ 6.357482] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 247) [ 6.357586] io scheduler mq-deadline registered [ 6.357629] io scheduler kyber registered [ 6.358683] test_firmware: interface ready [ 6.604430] imx-sdma 20ec000.sdma: Direct firmware load for imx/sdma/sdma-imx6q.bin failed with error -2 [ 6.604694] imx-sdma 20ec000.sdma: external firmware not found, using ROM firmware [ 6.880047] Serial: 8250/16550 driver, 5 ports, IRQ sharing enabled [ 6.901522] SuperH (H)SCI(F) driver initialized [ 6.904566] 2020000.serial: ttymxc0 at MMIO 0x2020000 (irq = 34, base_baud = 5000000) is a IMX [ 6.910013] 21e8000.serial: ttymxc1 at MMIO 0x21e8000 (irq = 81, base_baud = 5000000) is a IMX [ 7.841125] printk: console [ttymxc1] enabled [ 7.852429] msm_serial: driver initialized [ 7.857642] STMicroelectronics ASC driver initialized [ 7.869743] STM32 USART driver initialized [ 7.897212] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 0 [ 7.920124] panel-simple panel-lcd: supply power not found, using dummy regulator [ 7.928645] panel-simple panel-lcd: Specify missing connector_type [ 7.936827] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 7.995166] brd: module loaded [ 8.059249] loop: module loaded [ 8.065898] lkdtm: No crash points registered, enable through debugfs [ 8.088921] ahci-imx 2200000.sata: fsl,transmit-level-mV not specified, using 00000024 [ 8.096894] ahci-imx 2200000.sata: fsl,transmit-boost-mdB not specified, using 00000480 [ 8.105020] ahci-imx 2200000.sata: fsl,transmit-atten-16ths not specified, using 00002000 [ 8.113297] ahci-imx 2200000.sata: fsl,receive-eq-mdB not specified, using 05000000 [ 8.121447] ahci-imx 2200000.sata: supply ahci not found, using dummy regulator [ 8.129725] ahci-imx 2200000.sata: supply phy not found, using dummy regulator [ 8.137453] ahci-imx 2200000.sata: supply target not found, using dummy regulator [ 8.148911] ahci-imx 2200000.sata: SSS flag set, parallel bus scan disabled [ 8.155940] ahci-imx 2200000.sata: AHCI 0001.0300 32 slots 1 ports 3 Gbps 0x1 impl platform mode [ 8.164872] ahci-imx 2200000.sata: flags: ncq sntf stag pm led clo only pmp pio slum part ccc apst [ 8.179509] scsi host0: ahci-imx [ 8.185267] ata1: SATA max UDMA/133 mmio [mem 0x02200000-0x02203fff] port 0x100 irq 84 [ 8.253411] bgmac_bcma: Broadcom 47xx GBit MAC driver loaded [ 8.267230] pps pps0: new PPS source ptp0 [ 8.314727] fec 2188000.ethernet eth0: registered PHC device 0 [ 8.325639] e1000e: Intel(R) PRO/1000 Network Driver [ 8.330707] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. [ 8.336910] igb: Intel(R) Gigabit Ethernet Network Driver [ 8.342432] igb: Copyright (c) 2007-2014 Intel Corporation. [ 8.371306] pegasus: v0.9.3 (2013/04/25), Pegasus/Pegasus II USB Ethernet driver [ 8.378987] usbcore: registered new interface driver pegasus [ 8.384903] usbcore: registered new interface driver asix [ 8.390545] usbcore: registered new interface driver ax88179_178a [ 8.396822] usbcore: registered new interface driver cdc_ether [ 8.402985] usbcore: registered new interface driver smsc75xx [ 8.409070] usbcore: registered new interface driver smsc95xx [ 8.415003] usbcore: registered new interface driver net1080 [ 8.420899] usbcore: registered new interface driver cdc_subset [ 8.427000] usbcore: registered new interface driver zaurus [ 8.432951] usbcore: registered new interface driver cdc_ncm [ 8.452168] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 8.458871] ehci-pci: EHCI PCI platform driver [ 8.463514] ehci-platform: EHCI generic platform driver [ 8.469890] ehci-orion: EHCI orion driver [ 8.474909] SPEAr-ehci: EHCI SPEAr driver [ 8.479936] ehci-st: EHCI STMicroelectronics driver [ 8.485754] ehci-exynos: EHCI Exynos driver [ 8.490925] ehci-atmel: EHCI Atmel driver [ 8.495864] tegra-ehci: Tegra EHCI driver [ 8.500904] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 8.507192] ohci-pci: OHCI PCI platform driver [ 8.511890] ohci-platform: OHCI generic platform driver [ 8.518137] SPEAr-ohci: OHCI SPEAr driver [ 8.521259] ata1: SATA link down (SStatus 0 SControl 300) [ 8.523154] ohci-st: OHCI STMicroelectronics driver [ 8.527930] ahci-imx 2200000.sata: no device found, disabling link. [ 8.533533] ohci-atmel: OHCI Atmel driver [ 8.538937] ahci-imx 2200000.sata: pass ahci_imx..hotplug=1 to enable hotplug [ 8.546636] usbcore: registered new interface driver usb-storage [ 8.590932] i2c /dev entries driver [ 8.682139] sdhci: Secure Digital Host Controller Interface driver [ 8.688434] sdhci: Copyright(c) Pierre Ossman [ 8.702976] Synopsys Designware Multimedia Card Interface Driver [ 8.716886] sdhci-pltfm: SDHCI platform and OF driver helper [ 8.726534] sdhci-esdhc-imx 2198000.mmc: Got CD GPIO [ 8.726541] sdhci-esdhc-imx 219c000.mmc: Got CD GPIO [ 8.726747] sdhci-esdhc-imx 2198000.mmc: Got WP GPIO [ 8.743685] ledtrig-cpu: registered to indicate activity on CPUs [ 8.753761] usbcore: registered new interface driver usbhid [ 8.759451] usbhid: USB HID core driver [ 8.770906] mmc3: SDHCI controller on 219c000.mmc [219c000.mmc] using ADMA [ 8.777973] mmc2: SDHCI controller on 2198000.mmc [2198000.mmc] using ADMA [ 8.791838] ipip: IPv4 and MPLS over IPv4 tunneling driver [ 8.800060] gre: GRE over IPv4 demultiplexor driver [ 8.804983] ip_gre: GRE over IPv4 tunneling driver [ 8.816149] IPv4 over IPsec tunneling driver [ 8.825073] mmc2: new high speed SDHC card at address 0001 [ 8.825849] NET: Registered protocol family 10 [ 8.834907] mmcblk2: mmc2:0001 SD 14.6 GiB [ 8.843161] Segment Routing with IPv6 [ 8.853809] ip6_gre: GRE over IPv6 tunneling driver [ 8.861942] NET: Registered protocol family 17 [ 8.862628] GPT:Primary header thinks Alt. header is not at the end of the disk. [ 8.867631] 8021q: 802.1Q VLAN Support v1.8 [ 8.873978] GPT:7812499 != 30560255 [ 8.873997] GPT:Alternate GPT header not at the end of the disk. [ 8.874014] GPT:7812499 != 30560255 [ 8.874029] GPT: Use GNU Parted to correct GPT errors. [ 8.874115] mmcblk2: p1 p2 p3 [ 8.879330] Key type dns_resolver registered [ 8.917814] ThumbEE CPU extension supported. [ 8.922254] Registering SWP/SWPB emulation handler [ 8.928770] Loading compiled-in X.509 certificates [ 9.165037] panel-simple panel-lcd: supply power not found, using dummy regulator [ 9.173821] panel-simple panel-lcd: Specify missing connector_type [ 9.189959] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 9.235298] imx_usb 2184200.usb: No over current polarity defined [ 9.250049] ci_hdrc ci_hdrc.1: EHCI Host Controller [ 9.255358] ci_hdrc ci_hdrc.1: new USB bus registered, assigned bus number 1 [ 9.290315] ci_hdrc ci_hdrc.1: USB 2.0 started, EHCI 1.00 [ 9.311867] hub 1-0:1.0: USB hub found [ 9.316494] hub 1-0:1.0: 1 port detected [ 9.337006] imx_thermal 20c8000.anatop:tempmon: invalid sensor calibration data [ 9.344475] imx_thermal 20c8000.anatop:tempmon: error -EINVAL: failed to init from nvmem [ 9.352947] imx_thermal: probe of 20c8000.anatop:tempmon failed with error -22 [ 9.387816] panel-simple panel-lcd: supply power not found, using dummy regulator [ 9.396397] panel-simple panel-lcd: Specify missing connector_type [ 9.412360] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 9.451594] panel-simple panel-lcd: supply power not found, using dummy regulator [ 9.460191] panel-simple panel-lcd: Specify missing connector_type [ 9.476021] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 9.498829] input: gpio-keys as /devices/platform/gpio-keys/input/input0 [ 9.539719] panel-simple panel-lcd: supply power not found, using dummy regulator [ 9.548213] panel-simple panel-lcd: Specify missing connector_type [ 9.564269] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 9.590096] Micrel KSZ9021 Gigabit PHY 2188000.ethernet-1:06: attached PHY driver [Micrel KSZ9021 Gigabit PHY] (mii_bus:phy_addr=2188000.ethernet-1:06, irq=POLL) [ 9.605924] IP-Config: Failed to open gretap0 [ 9.610482] IP-Config: Failed to open erspan0 [ 9.638431] Sending DHCP requests . [ 9.768686] usb 1-1: new high-speed USB device number 2 using ci_hdrc [ 9.988290] hub 1-1:1.0: USB hub found [ 9.993097] hub 1-1:1.0: 3 ports detected [ 10.032647] panel-simple panel-lcd: supply power not found, using dummy regulator [ 10.041259] panel-simple panel-lcd: Specify missing connector_type [ 10.057430] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 11.689970] fec 2188000.ethernet eth0: Link is Up - 100Mbps/Full - flow control rx/tx [ 11.698914] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready [ 12.208618] ., OK [ 12.251150] IP-Config: Got DHCP answer from 192.168.101.1, my address is 192.168.101.100 [ 12.259523] IP-Config: Complete: [ 12.262840] device=eth0, hwaddr=0e:cc:7b:b0:7c:c7, ipaddr=192.168.101.100, mask=255.255.255.0, gw=192.168.101.1 [ 12.273638] host=imx6q-sabrelite-cbg-1, domain=lava.cbg.collabora.co.uk, nis-domain=(none) [ 12.282541] bootserver=192.168.101.1, rootserver=192.168.101.1, rootpath= [ 12.282589] nameserver0=192.168.101.1 [ 12.363851] Freeing unused kernel memory: 2048K [ 12.370088] Run /init as init process Loading, please wait... Starting version 247.3-7 [ 17.510336] imx-ipuv3 2400000.ipu: IPUv3H probed [ 17.531601] imx-ipuv3 2800000.ipu: IPUv3H probed [ 17.579769] panel-simple panel-lcd: supply power not found, using dummy regulator [ 17.589136] panel-simple panel-lcd: Specify missing connector_type [ 17.605210] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 17.648937] CAN device driver interface [ 17.672836] panel-simple panel-lcd: supply power not found, using dummy regulator [ 17.679891] etnaviv etnaviv: bound 130000.gpu (ops gpu_ops [etnaviv]) [ 17.681559] panel-simple panel-lcd: Specify missing connector_type [ 17.701559] etnaviv etnaviv: bound 134000.gpu (ops gpu_ops [etnaviv]) [ 17.714420] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 17.729392] etnaviv etnaviv: bound 2204000.gpu (ops gpu_ops [etnaviv]) [ 17.736044] etnaviv-gpu 130000.gpu: model: GC2000, revision: 5108 [ 17.775244] etnaviv-gpu 134000.gpu: model: GC320, revision: 5007 [ 17.788583] etnaviv-gpu 2204000.gpu: model: GC355, revision: 1215 [ 17.794735] etnaviv-gpu 2204000.gpu: Ignoring GPU with VG and FE2.0 [ 17.838544] [drm] Initialized etnaviv 1.3.0 20151214 for etnaviv on minor 1 [ 17.851540] panel-simple panel-lcd: supply power not found, using dummy regulator [ 17.854393] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) [ 17.860310] panel-simple panel-lcd: Specify missing connector_type [ 17.868225] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) [ 17.882959] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) [ 17.893991] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) [ 17.897935] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 17.911246] caam 2100000.crypto: Entropy delay = 3200 [ 17.970461] panel-simple panel-lcd: supply power not found, using dummy regulator [ 17.977138] caam 2100000.crypto: Instantiated RNG4 SH0 [ 17.979149] panel-simple panel-lcd: Specify missing connector_type [ 18.037904] caam 2100000.crypto: Instantiated RNG4 SH1 [ 18.043203] caam 2100000.crypto: device ID = 0x0a16010000000000 (Era 4) [ 18.049950] caam 2100000.crypto: job rings = 2, qi = 0 [ 18.080888] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) [ 18.089747] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) [ 18.098433] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) [ 18.106923] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) [ 18.162741] usb_phy_generic usbphynop1: supply vcc not found, using dummy regulator [ 18.171811] usb_phy_generic usbphynop1: dummy supplies not allowed for exclusive requests [ 18.177534] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 18.181144] usb_phy_generic usbphynop2: supply vcc not found, using dummy regulator [ 18.242896] usb_phy_generic usbphynop2: dummy supplies not allowed for exclusive requests [ 18.256760] sgtl5000 0-000a: sgtl5000 revision 0x11 [ 18.276039] sgtl5000 0-000a: Using internal LDO instead of VDDD: check ER1 erratum [ 18.290017] panel-simple panel-lcd: supply power not found, using dummy regulator [ 18.298702] panel-simple panel-lcd: Specify missing connector_type [ 18.359556] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) [ 18.368108] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) [ 18.376927] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) [ 18.385650] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) [ 18.403215] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 18.443509] panel-simple panel-lcd: supply power not found, using dummy regulator [ 18.462070] panel-simple panel-lcd: Specify missing connector_type [ 19.054154] caam algorithms registered in /proc/crypto [ 19.074909] caam 2100000.crypto: registering rng-caam [ 19.108960] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) [ 19.117502] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) [ 19.126366] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) [ 19.134930] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) [ 19.177144] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 19.225817] panel-simple panel-lcd: supply power not found, using dummy regulator [ 19.234504] panel-simple panel-lcd: Specify missing connector_type [ 19.257378] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) [ 19.264642] random: crng init done [ 19.266586] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) [ 19.277638] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) [ 19.286242] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) Begin: Loading essential drivers ... done. Begin: Running /scripts/init-premount ... done. Begin: Mounting root file system ... Begin: Running /scripts/nfs-top ... done. Begin: Running /scripts/nfs-premount ... done. IP-Config: eth0 hardware address 0e:cc:7b:b0:7c:c7 mtu 1500 DHCP IP-Config: erspan0 hardware address 00:00:00:00:00:00 mtu 1450 DHCP SIOCSIFFLAGS: Cannot assign requested address IP-Config: gretap0 hardware address 00:00:00:00:00:00 mtu 1462 DHCP SIOCSIFFLAGS: Cannot assign requested address IP-Config: eth0 complete (dhcp from 192.168.101.1): address: 192.168.101.100 broadcast: 192.168.101.255 netmask: 255.255.255.0 gateway: 192.168.101.1 dns0 : 192.168.101.1 dns1 : 0.0.0.0 host : imx6q-sabrelite-cbg-1 domain : lava.cbg.collabora.co.uk rootserver: 192.168.101.1 rootpath: filename : done. Begin: Running /scripts/nfs-bottom ... done. Begin: Running /scripts/init-bottom ... done. [ 22.489671] systemd[1]: System time before build time, advancing clock. [ 22.755325] systemd[1]: systemd 247.3-7 running in system mode. (+PAM +AUDIT +SELINUX +IMA +APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL +XZ +LZ4 +ZSTD +SECCOMP +BLKID +ELFUTILS +KMOD +IDN2 -IDN +PCRE2 default-hierarchy=unified) [ 22.781724] systemd[1]: Detected architecture arm. Welcome to [1mDebian GNU/Linux 11 (bullseye)[0m! [ 22.856278] systemd[1]: Set hostname to . [ 24.793265] systemd[1]: Queued start job for default target Graphical Interface. [ 24.809373] systemd[1]: Created slice system-getty.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-getty.slice[0m. [ 24.854149] systemd[1]: Created slice system-modprobe.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-modprobe.slice[0m. [ 24.904176] systemd[1]: Created slice system-serial\x2dgetty.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-serial\x2dgetty.slice[0m. [ 24.953305] systemd[1]: Created slice User and Session Slice. [[0;32m OK [0m] Created slice [0;1;39mUser and Session Slice[0m. [ 25.003151] systemd[1]: Started Dispatch Password Requests to Console Directory Watch. [[0;32m OK [0m] Started [0;1;39mDispatch Password …ts to Console Directory Watch[0m. [ 25.052614] systemd[1]: Started Forward Password Requests to Wall Directory Watch. [[0;32m OK [0m] Started [0;1;39mForward Password R…uests to Wall Directory Watch[0m. [ 25.100325] systemd[1]: Condition check resulted in Arbitrary Executable File Formats File System Automount Point being skipped. [ 25.114377] systemd[1]: Reached target Local Encrypted Volumes. [[0;32m OK [0m] Reached target [0;1;39mLocal Encrypted Volumes[0m. [ 25.160312] systemd[1]: Reached target Paths. [[0;32m OK [0m] Reached target [0;1;39mPaths[0m. [ 25.199503] systemd[1]: Reached target Remote File Systems. [[0;32m OK [0m] Reached target [0;1;39mRemote File Systems[0m. [ 25.240581] systemd[1]: Reached target Slices. [[0;32m OK [0m] Reached target [0;1;39mSlices[0m. [ 25.278935] systemd[1]: Reached target Swap. [[0;32m OK [0m] Reached target [0;1;39mSwap[0m. [ 25.323093] systemd[1]: Listening on initctl Compatibility Named Pipe. [[0;32m OK [0m] Listening on [0;1;39minitctl Compatibility Named Pipe[0m. [ 25.434657] systemd[1]: Condition check resulted in Journal Audit Socket being skipped. [ 25.454201] systemd[1]: Listening on Journal Socket (/dev/log). [[0;32m OK [0m] Listening on [0;1;39mJournal Socket (/dev/log)[0m. [ 25.506143] systemd[1]: Listening on Journal Socket. [[0;32m OK [0m] Listening on [0;1;39mJournal Socket[0m. [ 25.545770] systemd[1]: Listening on Network Service Netlink Socket. [[0;32m OK [0m] Listening on [0;1;39mNetwork Service Netlink Socket[0m. [ 25.601959] systemd[1]: Listening on udev Control Socket. [[0;32m OK [0m] Listening on [0;1;39mudev Control Socket[0m. [ 25.656067] systemd[1]: Listening on udev Kernel Socket. [[0;32m OK [0m] Listening on [0;1;39mudev Kernel Socket[0m. [ 25.703055] systemd[1]: Condition check resulted in Huge Pages File System being skipped. [ 25.714343] systemd[1]: Condition check resulted in POSIX Message Queue File System being skipped. [ 25.735983] systemd[1]: Mounting Kernel Debug File System... Mounting [0;1;39mKernel Debug File System[0m... [ 25.781077] systemd[1]: Mounting Kernel Trace File System... Mounting [0;1;39mKernel Trace File System[0m... [ 25.833539] systemd[1]: Starting Create list of static device nodes for the current kernel... Starting [0;1;39mCreate list of st…odes for the current kernel[0m... [ 25.891892] systemd[1]: Starting Load Kernel Module configfs... Starting [0;1;39mLoad Kernel Module configfs[0m... [ 25.943132] systemd[1]: Starting Load Kernel Module drm... Starting [0;1;39mLoad Kernel Module drm[0m... [ 25.993251] systemd[1]: Starting Load Kernel Module fuse... Starting [0;1;39mLoad Kernel Module fuse[0m... [ 26.040347] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped. [ 26.076299] systemd[1]: Starting Journal Service... [ 26.084641] fuse: init (API version 7.32) Starting [0;1;39mJournal Service[0m... [ 26.141650] systemd[1]: Starting Load Kernel Modules... Starting [0;1;39mLoad Kernel Modules[0m... [ 26.192150] systemd[1]: Starting Remount Root and Kernel File Systems... Starting [0;1;39mRemount Root and Kernel File Systems[0m... [ 26.251788] systemd[1]: Starting Coldplug All udev Devices... Starting [0;1;39mColdplug All udev Devices[0m... [ 26.304700] systemd[1]: Mounted Kernel Debug File System. [[0;32m OK [0m] Mounted [0;1;39mKernel Debug File System[0m. [ 26.331846] systemd[1]: Mounted Kernel Trace File System. [[0;32m OK [0m] Mounted [0;1;39mKernel Trace File System[0m. [ 26.380952] systemd[1]: Finished Create list of static device nodes for the current kernel. [[0;32m OK [0m] Finished [0;1;39mCreate list of st… nodes for the current kernel[0m. [ 26.485670] systemd[1]: modprobe@configfs.service: Succeeded. [ 26.497278] systemd[1]: Finished Load Kernel Module configfs. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Module configfs[0m. [ 26.546522] systemd[1]: modprobe@drm.service: Succeeded. [ 26.557779] systemd[1]: Finished Load Kernel Module drm. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Module drm[0m. [ 26.606230] systemd[1]: modprobe@fuse.service: Succeeded. [ 26.617845] systemd[1]: Finished Load Kernel Module fuse. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Module fuse[0m. [ 26.665986] systemd[1]: Finished Load Kernel Modules. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Modules[0m. [ 26.705822] systemd[1]: Finished Remount Root and Kernel File Systems. [[0;32m OK [0m] Finished [0;1;39mRemount Root and Kernel File Systems[0m. [ 26.764052] systemd[1]: Mounting FUSE Control File System... Mounting [0;1;39mFUSE Control File System[0m... [ 26.811509] systemd[1]: Mounting Kernel Configuration File System... Mounting [0;1;39mKernel Configuration File System[0m... [ 26.842715] systemd[1]: Condition check resulted in Rebuild Hardware Database being skipped. [ 26.853463] systemd[1]: Condition check resulted in Platform Persistent Storage Archival being skipped. [ 26.876629] systemd[1]: Starting Load/Save Random Seed... Starting [0;1;39mLoad/Save Random Seed[0m... [ 26.930568] systemd[1]: Starting Apply Kernel Variables... Starting [0;1;39mApply Kernel Variables[0m... [ 26.982938] systemd[1]: Starting Create System Users... Starting [0;1;39mCreate System Users[0m... [ 27.024666] systemd[1]: Started Journal Service. [[0;32m OK [0m] Started [0;1;39mJournal Service[0m. [[0;32m OK [0m] Mounted [0;1;39mFUSE Control File System[0m. [[0;32m OK [0m] Mounted [0;1;39mKernel Configuration File System[0m. [[0;32m OK [0m] Finished [0;1;39mLoad/Save Random Seed[0m. [[0;32m OK [0m] Finished [0;1;39mApply Kernel Variables[0m. Starting [0;1;39mFlush Journal to Persistent Storage[0m... [[0;32m OK [0m] Finished [0;1;39mCreate System Users[0m. Starting [0;1;39mCreate Static Device Nodes in /dev[0m... [ 27.474587] systemd-journald[274]: Received client request to flush runtime journal. [[0;32m OK [0m] Finished [0;1;39mCreate Static Device Nodes in /dev[0m. [[0;32m OK [0m] Reached target [0;1;39mLocal File Systems (Pre)[0m. [[0;32m OK [0m] Reached target [0;1;39mLocal File Systems[0m. Starting [0;1;39mRule-based Manage…for Device Events and Files[0m... [[0;32m OK [0m] Finished [0;1;39mFlush Journal to Persistent Storage[0m. Starting [0;1;39mCreate Volatile Files and Directories[0m... [[0;32m OK [0m] Started [0;1;39mRule-based Manager for Device Events and Files[0m. Starting [0;1;39mNetwork Service[0m... [[0;32m OK [0m] Finished [0;1;39mCreate Volatile Files and Directories[0m. Starting [0;1;39mUpdate UTMP about System Boot/Shutdown[0m... [[0;32m OK [0m] Started [0;1;39mNetwork Service[0m. Starting [0;1;39mNetwork Name Resolution[0m... [[0;32m OK [0m] Finished [0;1;39mUpdate UTMP about System Boot/Shutdown[0m. [[0;32m OK [0m] Started [0;1;39mNetwork Name Resolution[0m. [[0;32m OK [0m] Reached target [0;1;39mNetwork[0m. [[0;32m OK [0m] Reached target [0;1;39mHost and Network Name Lookups[0m. [[0;32m OK [0m] Reached target [0;1;39mHardware activated USB gadget[0m. [[0;32m OK [0m] Found device [0;1;39m/dev/ttymxc1[0m. [[0;32m OK [0m] Finished [0;1;39mColdplug All udev Devices[0m. [[0;32m OK [0m] Reached target [0;1;39mSystem Initialization[0m. [[0;32m OK [0m] Started [0;1;39mDaily apt download activities[0m. [[0;32m OK [0m] Started [0;1;39mDaily apt upgrade and clean activities[0m. [[0;32m OK [0m] Started [0;1;39mPeriodic ext4 Onli…ata Check for All Filesystems[0m. [[0;32m OK [0m] Started [0;1;39mDiscard unused blocks once a week[0m. [[0;32m OK [0m] Started [0;1;39mDaily Cleanup of Temporary Directories[0m. [[0;32m OK [0m] Reached target [0;1;39mTimers[0m. [[0;32m OK [0m] Listening on [0;1;39mD-Bus System Message Bus Socket[0m. [[0;32m OK [0m] Reached target [0;1;39mSockets[0m. [[0;32m OK [0m] Reached target [0;1;39mBasic System[0m. [[0;32m OK [0m] Started [0;1;39mD-Bus System Message Bus[0m. Starting [0;1;39mRemove Stale Onli…t4 Metadata Check Snapshots[0m... Starting [0;1;39mUser Login Management[0m... Starting [0;1;39mPermit User Sessions[0m... [[0;32m OK [0m] Finished [0;1;39mPermit User Sessions[0m. [[0;32m OK [0m] Finished [0;1;39mRemove Stale Onli…ext4 Metadata Check Snapshots[0m. [[0m[0;31m* [0m] A start job is running for User Login Management (13s / 1min 40s) M[K[[0;1;31m*[0m[0;31m* [0m] A start job is running for User Login Management (14s / 1min 40s) M[K[[0;32m OK [0m] Started [0;1;39mUser Login Management[0m. [K[[0;32m OK [0m] Listening on [0;1;39mLoad/Save RF …itch Status /dev/rfkill Watch[0m. [[0;32m OK [0m] Started [0;1;39mGetty on tty1[0m. [[0;32m OK [0m] Started [0;1;39mSerial Getty on ttymxc1[0m. [[0;32m OK [0m] Reached target [0;1;39mLogin Prompts[0m. [[0;32m OK [0m] Reached target [0;1;39mMulti-User System[0m. [[0;32m OK [0m] Reached target [0;1;39mGraphical Interface[0m. Starting [0;1;39mUpdate UTMP about System Runlevel Changes[0m... [[0;32m OK [0m] Finished [0;1;39mUpdate UTMP about System Runlevel Changes[0m. Debian GNU/Linux 11 debian-bullseye-armhf ttymxc1 debian-bullseye-armhf login: root (automatic login) Linux debian-bullseye-armhf 5.10.131-cip13 #1 SMP Wed Aug 17 10:40:45 UTC 2022 armv7l The programs included with the Debian GNU/Linux system are free software; the exact distribution terms for each program are described in the individual files in /usr/share/doc/*/copyright. Debian GNU/Linux comes with ABSOLUTELY NO WARRANTY, to the extent permitted by applicable law. / # / # export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/7059222/extract-nfsrootfs-69tm6gzd' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/7059222/extract-nfsrootfs-69tm6gzd' / # export NFS_SERVER_IP='192.168.101.1' export NFS_SERVER_IP='192.168.101.1' / # # # / # export SHELL=/bin/bash export SHELL=/bin/bash / # . /lava-7059222/environment . /lava-7059222/environment / # /lava-7059222/bin/lava-test-runner /lava-7059222/0 /lava-7059222/bin/lava-test-runner /lava-7059222/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-7059222/0/tests/0_timesync-off ++ cat uuid + UUID=7059222_1.6.2.4.1 + set +x + systemctl stop systemd-timesyncd Failed to stop systemd-timesyncd.service: Unit systemd-timesyncd.service not loaded. + true + set +x + export TESTRUN_ID=1_kselftest-lkdtm + TESTRUN_ID=1_kselftest-lkdtm + cd /lava-7059222/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=7059222_1.6.2.4.5 + set +x + cd ./automated/linux/kselftest/ + ./kselftest.sh -c lkdtm -T '' -t kselftest_armhf.tar.gz -s false -u http://storage.kernelci.org/cip/linux-5.10.y-cip/v5.10.131-cip13-84-g3b53e4dbd9f41/arm/multi_v7_defconfig+kselftest/gcc-10/kselftest.tar.xz -L '' -S skipfile-lkft.yaml -b imx6q-sabrelite -g cip -e '' -p /opt/kselftests/mainline/ INFO: Generating a skipfile based on /lava-7059222/0/tests/1_kselftest-lkdtm/automated/linux/kselftest/skipfile-lkft.yaml INFO: Using the following generated skipfile contents (until EOF): breakpoints:breakpoint_test breakpoints:step_after_suspend_test ftrace:ftracetest net:rtnetlink.sh net:tls netfilter:bridge_brouter.sh netfilter:nft_flowtable.sh netfilter:nft_trans_stress.sh pidfd:pidfd_wait INFO: EOF INFO: Installing sed perl wget xz-utils iproute2 Hit:1 http://deb.debian.org/debian bullseye InRelease Reading package lists... E: Release file for http://deb.debian.org/debian/dists/bullseye/InRelease is not valid yet (invalid for another 110d 13h 47min 10s). Updates for this repository will not be applied. Reading package lists... Building dependency tree... Reading state information... iproute2 is already the newest version (5.10.0-4). perl is already the newest version (5.32.1-4+deb11u2). sed is already the newest version (4.7-1). wget is already the newest version (1.21-1+deb11u1). xz-utils is already the newest version (5.2.5-2.1~deb11u1). 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded. --2022-03-20 19:56:29-- http://storage.kernelci.org/cip/linux-5.10.y-cip/v5.10.131-cip13-84-g3b53e4dbd9f41/arm/multi_v7_defconfig+kselftest/gcc-10/kselftest.tar.xz Resolving storage.kernelci.org (storage.kernelci.org)... 52.250.1.28 Connecting to storage.kernelci.org (storage.kernelci.org)|52.250.1.28|:80... connected. HTTP request sent, awaiting response... 200 OK Length: 1407272 (1.3M) [application/octet-stream] Saving to: 'kselftest.tar.xz' kselftest.tar.xz 0%[ ] 0 --.-KB/s kselftest.tar.xz 3%[ ] 44.98K 160KB/s kselftest.tar.xz 14%[=> ] 201.94K 317KB/s kselftest.tar.xz 39%[======> ] 538.49K 626KB/s kselftest.tar.xz 56%[==========> ] 780.29K 729KB/s kselftest.tar.xz 73%[=============> ] 1008K 778KB/s kselftest.tar.xz 93%[=================> ] 1.25M 851KB/s kselftest.tar.xz 100%[===================>] 1.34M 862KB/s in 1.6s 2022-03-20 19:56:32 (862 KB/s) - 'kselftest.tar.xz' saved [1407272/1407272] tar: ./futex/run.sh: time stamp 2022-08-17 10:54:12 is 12927459.786190635 s in the future tar: ./futex/functional/run.sh: time stamp 2022-07-04 06:30:50 is 9110057.77237368 s in the future tar: ./futex/functional/futex_wait_uninitialized_heap: time stamp 2022-08-17 10:53:49 is 12927436.757976029 s in the future tar: ./futex/functional/futex_requeue_pi: time stamp 2022-08-17 10:53:47 is 12927434.733292832 s 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12927429.934943167 s in the future tar: ./lkdtm/EXEC_DATA.sh: time stamp 2022-08-17 10:53:50 is 12927429.928304803 s in the future tar: ./lkdtm/CORRUPT_PAC.sh: time stamp 2022-08-17 10:53:50 is 12927429.921734954 s in the future tar: ./lkdtm/BUG.sh: time stamp 2022-08-17 10:53:50 is 12927429.914862409 s in the future tar: ./lkdtm/REFCOUNT_DEC_AND_TEST_SATURATED.sh: time stamp 2022-08-17 10:53:50 is 12927429.9082215 s in the future tar: ./lkdtm/REFCOUNT_SUB_AND_TEST_SATURATED.sh: time stamp 2022-08-17 10:53:50 is 12927429.901606651 s in the future tar: ./lkdtm/WARNING_MESSAGE.sh: time stamp 2022-08-17 10:53:50 is 12927429.894785939 s in the future tar: ./lkdtm/STACK_GUARD_PAGE_TRAILING.sh: time stamp 2022-08-17 10:53:50 is 12927429.888188712 s in the future tar: ./lkdtm/READ_BUDDY_AFTER_FREE.sh: time stamp 2022-08-17 10:53:50 is 12927429.881441697 s in the future tar: ./lkdtm/REFCOUNT_ADD_SATURATED.sh: time stamp 2022-08-17 10:53:50 is 12927429.874571606 s in the future tar: 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12927429.807085894 s in the future tar: ./lkdtm/EXEC_KMALLOC.sh: time stamp 2022-08-17 10:53:50 is 12927429.80002947 s in the future tar: ./lkdtm/REFCOUNT_INC_ZERO.sh: time stamp 2022-08-17 10:53:50 is 12927429.793466167 s in the future tar: ./lkdtm/STACKLEAK_ERASING.sh: time stamp 2022-08-17 10:53:50 is 12927429.786638803 s in the future tar: ./lkdtm/OVERWRITE_ALLOCATION.sh: time stamp 2022-08-17 10:53:50 is 12927429.779734818 s in the future tar: ./lkdtm/UNALIGNED_LOAD_STORE_WRITE.sh: time stamp 2022-08-17 10:53:50 is 12927429.773204894 s in the future tar: ./lkdtm/CORRUPT_STACK_STRONG.sh: time stamp 2022-08-17 10:53:50 is 12927429.766093273 s in the future tar: ./lkdtm/EXEC_NULL.sh: time stamp 2022-08-17 10:53:50 is 12927429.75957703 s in the future tar: ./lkdtm/LOOP.sh: time stamp 2022-08-17 10:53:50 is 12927429.753200606 s in the future tar: ./lkdtm/USERCOPY_HEAP_WHITELIST_TO.sh: time stamp 2022-08-17 10:53:50 is 12927429.746152091 s in the future tar: ./lkdtm/REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh: time stamp 2022-08-17 10:53:50 is 12927429.739619606 s in the future tar: ./lkdtm/USERCOPY_STACK_FRAME_FROM.sh: time stamp 2022-08-17 10:53:50 is 12927429.733169682 s in the future tar: ./lkdtm: time stamp 2022-08-17 10:54:13 is 12927452.729903879 s in the future tar: ./kselftest-list.txt: time stamp 2022-08-17 10:54:16 is 12927455.7222665 s in the future tar: ./kcmp/kcmp_test: time stamp 2022-08-17 10:53:50 is 12927429.709254364 s in the future tar: ./kcmp: time stamp 2022-08-17 10:54:13 is 12927452.703915818 s in the future tar: ./mqueue/mq_open_tests: time stamp 2022-08-17 10:53:51 is 12927430.686562909 s in the future tar: ./mqueue/mq_perf_tests: time stamp 2022-08-17 10:53:51 is 12927430.676605106 s in the future tar: ./mqueue: time stamp 2022-08-17 10:54:13 is 12927452.673571924 s in the future tar: ./pidfd/pidfd_fdinfo_test: time stamp 2022-08-17 10:54:00 is 12927439.651836258 s in the future tar: ./pidfd/pidfd_setns_test: time stamp 2022-08-17 10:54:00 is 12927439.63554553 s in the future tar: ./pidfd/pidfd_test: time stamp 2022-08-17 10:54:00 is 12927439.621260409 s in the future tar: ./pidfd/pidfd_wait: time stamp 2022-08-17 10:54:00 is 12927439.59962703 s in the future tar: ./pidfd/pidfd_getfd_test: time stamp 2022-08-17 10:54:00 is 12927439.587139364 s in the future tar: ./pidfd/pidfd_poll_test: time stamp 2022-08-17 10:54:00 is 12927439.578140833 s in the future tar: ./pidfd/pidfd_open_test: time stamp 2022-08-17 10:54:00 is 12927439.565156879 s in the future tar: ./pidfd: time stamp 2022-08-17 10:54:14 is 12927453.562223576 s in the future tar: ./kselftest/prefix.pl: time stamp 2022-08-17 10:54:09 is 12927448.552682182 s in the future tar: ./kselftest/runner.sh: time stamp 2022-08-17 10:54:09 is 12927448.546098076 s in the future tar: ./kselftest/module.sh: time stamp 2022-08-17 10:54:09 is 12927448.539548045 s in the future tar: ./kselftest: time stamp 2022-08-17 10:54:09 is 12927448.536468515 s in the future tar: ./breakpoints/step_after_suspend_test: time stamp 2022-08-17 10:53:43 is 12927422.525033318 s in the future tar: ./breakpoints: time stamp 2022-08-17 10:54:11 is 12927450.52185703 s in the future tar: ./tmpfs/bug-link-o-tmpfile: time stamp 2022-08-17 10:54:07 is 12927446.511068015 s in the future tar: ./tmpfs: time stamp 2022-08-17 10:54:15 is 12927454.505871288 s in the future tar: ./clone3/clone3_clear_sighand: time stamp 2022-08-17 10:53:44 is 12927423.484909439 s in the future tar: ./clone3/clone3_cap_checkpoint_restore: time stamp 2022-08-17 10:53:44 is 12927423.473386606 s in the future tar: ./clone3/clone3_set_tid: time stamp 2022-08-17 10:53:44 is 12927423.462940394 s in the future tar: ./clone3/clone3: time stamp 2022-08-17 10:53:44 is 12927423.453137303 s in the future tar: ./clone3: time stamp 2022-08-17 10:54:11 is 12927450.449471 s in the future tar: ./timens/futex: time stamp 2022-08-17 10:54:06 is 12927445.437039758 s in the future tar: ./timens/procfs: time stamp 2022-08-17 10:54:06 is 12927445.4279815 s in the future tar: ./timens/timer: time stamp 2022-08-17 10:54:06 is 12927445.419292621 s in the future tar: ./timens/exec: time stamp 2022-08-17 10:54:06 is 12927445.41036997 s in the future tar: ./timens/clock_nanosleep: time stamp 2022-08-17 10:54:06 is 12927445.401339955 s in the future tar: ./timens/timerfd: time stamp 2022-08-17 10:54:06 is 12927445.392063803 s in the future tar: ./timens/timens: time stamp 2022-08-17 10:54:06 is 12927445.382641864 s in the future tar: ./timens/gettime_perf: time stamp 2022-08-17 10:54:06 is 12927445.373292515 s in the future tar: ./timens: time stamp 2022-08-17 10:54:15 is 12927454.369533939 s in the future tar: ./mincore/mincore_selftest: time stamp 2022-08-17 10:53:50 is 12927429.347612394 s in the future tar: ./mincore: time stamp 2022-08-17 10:54:13 is 12927452.341626167 s in the future tar: ./sync/sync_test: time stamp 2022-08-17 10:54:06 is 12927445.316637015 s in the future tar: ./sync: time stamp 2022-08-17 10:54:15 is 12927454.31294797 s in the future tar: ./livepatch/test-livepatch.sh: time stamp 2022-07-04 06:30:50 is 9110049.30021797 s in the future tar: ./livepatch/functions.sh: time stamp 2022-07-04 06:30:50 is 9110049.291533167 s in the future tar: ./livepatch/test-callbacks.sh: time stamp 2022-07-04 06:30:50 is 9110049.280413727 s in the future tar: ./livepatch/test-ftrace.sh: time stamp 2022-07-04 06:30:50 is 9110049.272395152 s in the future tar: ./livepatch/settings: time stamp 2022-07-04 06:30:50 is 9110049.264482879 s in the future tar: ./livepatch/test-state.sh: time stamp 2022-07-04 06:30:50 is 9110049.255867439 s in the future tar: ./livepatch/test-shadow-vars.sh: time stamp 2022-07-04 06:30:50 is 9110049.247704227 s in the future tar: ./livepatch: time stamp 2022-08-17 10:54:13 is 12927452.243888576 s in the future tar: ./sysctl/sysctl.sh: time stamp 2022-07-04 06:30:50 is 9110049.223621136 s in the future tar: ./sysctl: time stamp 2022-08-17 10:54:15 is 12927454.217913742 s in the future tar: .: time stamp 2022-08-17 10:54:16 is 12927455.214324879 s in the future skiplist: ======================================== breakpoints:breakpoint_test breakpoints:step_after_suspend_test ftrace:ftracetest net:rtnetlink.sh net:tls netfilter:bridge_brouter.sh netfilter:nft_flowtable.sh netfilter:nft_trans_stress.sh pidfd:pidfd_wait ======================================== [ 101.728814] 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 [ 102.634808] lkdtm: Performing direct entry BUG [ 102.639799] ------------[ cut here ]------------ [ 102.644431] kernel BUG at drivers/misc/lkdtm/bugs.c:76! [ 102.649666] Internal error: Oops - BUG: 0 [#1] SMP ARM [ 102.654814] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm phy_generic snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 [ 102.683890] CPU: 3 PID: 795 Comm: cat Not tainted 5.10.131-cip13 #1 [ 102.690167] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 102.696717] PC is at lkdtm_BUG+0x14/0x18 [ 102.700654] LR is at lkdtm_do_action+0x2c/0x4c [ 102.705106] pc : [] lr : [] psr: a00e0013 [ 102.711380] sp : c6d73e58 ip : c6d73e68 fp : c6d73e64 [ 102.716612] r10: 00000004 r9 : c1acf5fc r8 : c15e7d40 [ 102.721844] r7 : c6d73f60 r6 : 00000004 r5 : c5bb7000 r4 : 00000001 [ 102.728378] r3 : c0c2d674 r2 : 94f56d70 r1 : ef7c05e0 r0 : c15e7d48 [ 102.734915] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 102.742060] Control: 10c5387d Table: 16b4404a DAC: 00000051 [ 102.747816] Process cat (pid: 795, stack limit = 0x7c908b92) [ 102.753484] Stack: (0xc6d73e58 to 0xc6d74000) [ 102.757853] 3e40: c6d73e74 c6d73e68 [ 102.766044] 3e60: c0c2d108 c0c2d680 c6d73e9c c6d73e78 c0c2d608 c0c2d0e8 c0c2d4e8 c6916c80 [ 102.774234] 3e80: b6e46000 00000004 c538f000 c6d73f60 c6d73ec4 c6d73ea0 c07f4ad0 c0c2d4f4 [ 102.782423] 3ea0: 00000000 c6916c80 b6e46000 c2816000 c6d73f60 c07f4a6c c6d73f5c c6d73ec8 [ 102.790614] 3ec0: c0598198 c07f4a78 00000001 00000000 c059872c c139ead8 c059872c c6d72000 [ 102.798804] 3ee0: b6e46000 00020000 00000004 00000004 0001fffc c6d73ee0 00000001 b6e45000 [ 102.806993] 3f00: c5f8fa40 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 102.815183] 3f20: 00000000 00000000 c139ead8 94f56d70 c205ca60 c6916c80 c6916c80 c6d72000 [ 102.823372] 3f40: b6e46000 00000000 00000000 00000004 c6d73f94 c6d73f60 c059872c c0598098 [ 102.831561] 3f60: 00000000 00000000 c6d73fac 94f56d70 00000004 00000004 b6f8de00 00000004 [ 102.839750] 3f80: c03002e4 c6d72000 c6d73fa4 c6d73f98 c05987bc c05986c4 00000000 c6d73fa8 [ 102.847938] 3fa0: c03000c0 c05987b0 00000004 00000004 00000001 b6e46000 00000004 00000000 [ 102.856128] 3fc0: 00000004 00000004 b6f8de00 00000004 00000001 00000000 00020000 beb96a54 [ 102.864316] 3fe0: 00000004 beb96788 b6efb94f b6e81c66 800e0030 00000001 00000000 00000000 [ 102.872498] Backtrace: [ 102.874970] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) [ 102.882556] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 102.890579] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 102.898511] r9:c6d73f60 r8:c538f000 r7:00000004 r6:b6e46000 r5:c6916c80 r4:c0c2d4e8 [ 102.906271] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 102.914114] r9:c07f4a6c r8:c6d73f60 r7:c2816000 r6:b6e46000 r5:c6916c80 r4:00000000 [ 102.921872] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 102.929020] r10:00000004 r9:00000000 r8:00000000 r7:b6e46000 r6:c6d72000 r5:c6916c80 [ 102.936856] r4:c6916c80 [ 102.939403] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 102.946550] r9:c6d72000 r8:c03002e4 r7:00000004 r6:b6f8de00 r5:00000004 r4:00000004 [ 102.954311] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 102.961886] Exception stack(0xc6d73fa8 to 0xc6d73ff0) [ 102.966949] 3fa0: 00000004 00000004 00000001 b6e46000 00000004 00000000 [ 102.975137] 3fc0: 00000004 00000004 b6f8de00 00000004 00000001 00000000 00020000 beb96a54 [ 102.983322] 3fe0: 00000004 beb96788 b6efb94f b6e81c66 [ 102.988386] Code: e92dd800 e24cb004 e52de004 e8bd4000 (e7f001f2) [ 102.994493] ---[ end trace dca5c33b5d5179a6 ]--- [ 102.999123] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 103.008003] in_atomic(): 0, irqs_disabled(): 128, non_block: 0, pid: 795, name: cat [ 103.015665] INFO: lockdep is turned off. [ 103.019594] irq event stamp: 1576 [ 103.022929] hardirqs last enabled at (1575): [] console_unlock+0x4b0/0x6c0 [ 103.030769] hardirqs last disabled at (1576): [] __und_svc+0x60/0x6c [ 103.038004] softirqs last enabled at (1572): [] __do_softirq+0x378/0x5fc [ 103.045671] softirqs last disabled at (1545): [] __irq_exit_rcu+0x178/0x1d0 [ 103.053511] CPU: 3 PID: 795 Comm: cat Tainted: G D 5.10.131-cip13 #1 [ 103.061174] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 103.067708] Backtrace: [ 103.070184] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 103.077765] r7:ffffffff r6:600e0093 r5:00000000 r4:c1f0f728 [ 103.083442] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 103.090771] [] (dump_stack) from [] (___might_sleep+0x1b0/0x2c0) [ 103.098527] r9:600e0093 r8:0000000b r7:c035bb84 r6:00000031 r5:c19cc01c r4:c6d72000 [ 103.106285] [] (___might_sleep) from [] (__might_sleep+0x70/0xb0) [ 103.114124] r6:00000000 r5:00000031 r4:c19cc01c [ 103.118762] [] (__might_sleep) from [] (exit_signals+0x4c/0x3fc) [ 103.126514] r6:00000001 r5:c6d72000 r4:c5dc0d80 [ 103.131153] [] (exit_signals) from [] (do_exit+0x10c/0xb4c) [ 103.138474] r8:0000000b r7:c1e0fc8c r6:ffffe000 r5:00000000 r4:c5dc0d80 [ 103.145191] [] (do_exit) from [] (die+0x374/0x380) [ 103.151725] r7:c1e0fc8c [ 103.154271] [] (die) from [] (do_undefinstr+0x170/0x240) [ 103.161331] r10:00000004 r9:c6d72000 r8:c15e7d40 r7:00000000 r6:c6d73dc8 r5:c0c2d688 [ 103.169167] r4:e7f001f2 [ 103.171717] [] (do_undefinstr) from [] (__und_svc_finish+0x0/0x54) [ 103.179640] Exception stack(0xc6d73dc8 to 0xc6d73e10) [ 103.184704] 3dc0: c15e7d48 ef7c05e0 94f56d70 c0c2d674 00000001 c5bb7000 [ 103.192895] 3de0: 00000004 c6d73f60 c15e7d40 c1acf5fc 00000004 c6d73e64 c6d73e68 c6d73e58 [ 103.201081] 3e00: c0c2d108 c0c2d688 a00e0013 ffffffff [ 103.206143] r7:c6d73dfc r6:ffffffff r5:a00e0013 r4:c0c2d68c [ 103.211822] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) [ 103.219405] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 103.227423] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 103.235351] r9:c6d73f60 r8:c538f000 r7:00000004 r6:b6e46000 r5:c6916c80 r4:c0c2d4e8 [ 103.243107] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 103.250948] r9:c07f4a6c r8:c6d73f60 r7:c2816000 r6:b6e46000 r5:c6916c80 r4:00000000 [ 103.258703] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 103.265850] r10:00000004 r9:00000000 r8:00000000 r7:b6e46000 r6:c6d72000 r5:c6916c80 [ 103.273685] r4:c6916c80 [ 103.276231] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 103.283377] r9:c6d72000 r8:c03002e4 r7:00000004 r6:b6f8de00 r5:00000004 r4:00000004 [ 103.291132] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 103.298708] Exception stack(0xc6d73fa8 to 0xc6d73ff0) [ 103.303770] 3fa0: 00000004 00000004 00000001 b6e46000 00000004 00000000 [ 103.311960] 3fc0: 00000004 00000004 b6f8de00 00000004 00000001 00000000 00020000 beb96a54 [ 103.320145] 3fe0: 00000004 beb96788 b6efb94f b6e81c66 # Segmentation fault # [ 102.634808] lkdtm: Performing direct entry BUG # [ 102.639799] ------------[ cut here ]------------ # [ 102.644431] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 102.649666] Internal error: Oops - BUG: 0 [#1] SMP ARM # [ 102.654814] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm phy_generic snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 102.683890] CPU: 3 PID: 795 Comm: cat Not tainted 5.10.131-cip13 #1 # [ 102.690167] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 102.696717] PC is at lkdtm_BUG+0x14/0x18 # [ 102.700654] LR is at lkdtm_do_action+0x2c/0x4c # [ 102.705106] pc : [] lr : [] psr: a00e0013 # [ 102.711380] sp : c6d73e58 ip : c6d73e68 fp : c6d73e64 # [ 102.716612] r10: 00000004 r9 : c1acf5fc r8 : c15e7d40 # [ 102.721844] r7 : c6d73f60 r6 : 00000004 r5 : c5bb7000 r4 : 00000001 # [ 102.728378] r3 : c0c2d674 r2 : 94f56d70 r1 : ef7c05e0 r0 : c15e7d48 # [ 102.734915] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 102.742060] Control: 10c5387d Table: 16b4404a DAC: 00000051 # [ 102.747816] Process cat (pid: 795, stack limit = 0x7c908b92) # [ 102.753484] Stack: (0xc6d73e58 to 0xc6d74000) # [ 102.757853] 3e40: c6d73e74 c6d73e68 # [ 102.766044] 3e60: c0c2d108 c0c2d680 c6d73e9c c6d73e78 c0c2d608 c0c2d0e8 c0c2d4e8 c6916c80 # [ 102.774234] 3e80: b6e46000 00000004 c538f000 c6d73f60 c6d73ec4 c6d73ea0 c07f4ad0 c0c2d4f4 # [ 102.782423] 3ea0: 00000000 c6916c80 b6e46000 c2816000 c6d73f60 c07f4a6c c6d73f5c c6d73ec8 # [ 102.790614] 3ec0: c0598198 c07f4a78 00000001 00000000 c059872c c139ead8 c059872c c6d72000 # [ 102.798804] 3ee0: b6e46000 00020000 00000004 00000004 0001fffc c6d73ee0 00000001 b6e45000 # [ 102.806993] 3f00: c5f8fa40 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 102.815183] 3f20: 00000000 00000000 c139ead8 94f56d70 c205ca60 c6916c80 c6916c80 c6d72000 # [ 102.823372] 3f40: b6e46000 00000000 00000000 00000004 c6d73f94 c6d73f60 c059872c c0598098 # [ 102.831561] 3f60: 00000000 00000000 c6d73fac 94f56d70 00000004 00000004 b6f8de00 00000004 # [ 102.839750] 3f80: c03002e4 c6d72000 c6d73fa4 c6d73f98 c05987bc c05986c4 00000000 c6d73fa8 # [ 102.847938] 3fa0: c03000c0 c05987b0 00000004 00000004 00000001 b6e46000 00000004 00000000 # [ 102.856128] 3fc0: 00000004 00000004 b6f8de00 00000004 00000001 00000000 00020000 beb96a54 # [ 102.864316] 3fe0: 00000004 beb96788 b6efb94f b6e81c66 800e0030 00000001 00000000 00000000 # [ 102.872498] Backtrace: # [ 102.874970] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) # [ 102.882556] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 102.890579] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 102.898511] r9:c6d73f60 r8:c538f000 r7:00000004 r6:b6e46000 r5:c6916c80 r4:c0c2d4e8 # [ 102.906271] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 102.914114] r9:c07f4a6c r8:c6d73f60 r7:c2816000 r6:b6e46000 r5:c6916c80 r4:00000000 # [ 102.921872] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 102.929020] r10:00000004 r9:00000000 r8:00000000 r7:b6e46000 r6:c6d72000 r5:c6916c80 # [ 102.936856] r4:c6916c80 # [ 102.939403] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 102.946550] r9:c6d72000 r8:c03002e4 r7:00000004 r6:b6f8de00 r5:00000004 r4:00000004 # [ 102.954311] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 102.961886] Exception stack(0xc6d73fa8 to 0xc6d73ff0) # [ 102.966949] 3fa0: 00000004 00000004 00000001 b6e46000 00000004 00000000 # [ 102.975137] 3fc0: 00000004 00000004 b6f8de00 00000004 00000001 00000000 00020000 beb96a54 # [ 102.983322] 3fe0: 00000004 beb96788 b6efb94f b6e81c66 # [ 102.988386] Code: e92dd800 e24cb004 e52de004 e8bd4000 (e7f001f2) # [ 102.994493] ---[ end trace dca5c33b5d5179a6 ]--- # [ 102.999123] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 103.008003] in_atomic(): 0, irqs_disabled(): 128, non_block: 0, pid: 795, name: cat # [ 103.015665] INFO: lockdep is turned off. # [ 103.019594] irq event stamp: 1576 # [ 103.022929] hardirqs last enabled at (1575): [] console_unlock+0x4b0/0x6c0 # [ 103.030769] hardirqs last disabled at (1576): [] __und_svc+0x60/0x6c # [ 103.038004] softirqs last enabled at (1572): [] __do_softirq+0x378/0x5fc # [ 103.045671] softirqs last disabled at (1545): [] __irq_exit_rcu+0x178/0x1d0 # [ 103.053511] CPU: 3 PID: 795 Comm: cat Tainted: G D 5.10.131-cip13 #1 # [ 103.061174] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 103.067708] Backtrace: # [ 103.070184] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 103.077765] r7:ffffffff r6:600e0093 r5:00000000 r4:c1f0f728 # [ 103.083442] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 103.090771] [] (dump_stack) from [] (___might_sleep+0x1b0/0x2c0) # [ 103.098527] r9:600e0093 r8:0000000b r7:c035bb84 r6:00000031 r5:c19cc01c r4:c6d72000 # [ 103.106285][ 103.887656] lkdtm: Performing direct entry WARNING [] (___might_sleep) fr[ 103.894684] ------------[ cut here ]------------ om [] (__might_sleep+0x[ 103.902143] WARNING: CPU: 2 PID: 866 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x48/0x4c 70/0xb0) # [ 103.114124] r6:00[ 103.913433] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm phy_generic snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 000000 r5:00000031 r4:c19cc01c #[ 103.945127] CPU: 2 PID: 866 Comm: cat Tainted: G D W 5.10.131-cip13 #1 [ 103.118762] [] (__m[ 103.955591] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) ight_sleep) from [] (ex[ 103.964981] Backtrace: it_signals+0x4c/0x3fc) # [ 103.[ 103.970312] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 103.980727] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f728 126514] r6:00000001 r5:c6d72000 [ 103.986405] [] (show_stack) from [] (dump_stack+0xe0/0x100) r4:c5dc0d80 # [ 103.131153] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 104.006415] r9:00000009 r8:c0c2d6d4 r7:00000053 r6:00000009 r5:c0c2d6d4 r4:c1acfcb8 [ 104.014175] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) 036cbd0>] (exit_signals) from [] (do_exit+0x10c/0xb4c) [ 104.030192] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING+0x48/0x4c) [ 104.041154] r9:c1acf600 r8:c15e7d40 r7:c6b35f60 r6:00000008 r5:c6da3000 r4:00000002 # [ 103.138474] r8:0000000b r7:[ 104.048915] [] (lkdtm_WARNING) from [] (lkdtm_do_action+0x2c/0x4c) c1e0fc8c r6:ffffe000 r5:00000000 [ 104.059688] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) r4:c5dc0d80 # [ 103.145191] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 104.081359] r9:c6b35f60 r8:c538f000 r7:00000008 r6:b6e36000 r5:c59d92c0 r4:c0c2d4e8 035ba78>] (do_exit) from [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) 88>] (die+0x374/0x380) # [ 103.[ 104.099802] r9:c07f4a6c r8:c6b35f60 r7:c2816000 r6:b6e36000 r5:c59d92c0 r4:00000000 151725] r7:c1e0fc8c [ 104.110421] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 104.119476] r10:00000004 r9:00000000 r8:00000000 r7:b6e36000 r6:c6b34000 r5:c59d92c0 # [ 103.154271] [] (di[ 104.127313] r4:c59d92c0 e) from [] (do_undefins[ 104.132711] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 104.142723] r9:c6b34000 r8:c03002e4 r7:00000004 r6:b6f7de00 r5:00000008 r4:00000008 tr+0x170/0x240) [ 104.150480] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 104.159509] Exception stack(0xc6b35fa8 to 0xc6b35ff0) # [ 103.161331] r10:00000004 r9[ 104.164573] 5fa0: 00000008 00000008 00000001 b6e36000 00000008 00000000 :c6d72000 r8:c15e7d40 r7:00000000[ 104.175614] 5fc0: 00000008 00000008 b6f7de00 00000004 00000001 00000000 00020000 be96da54 [ 104.186663] 5fe0: 00000004 be96d788 b6eeb94f b6e71c66 r6:c6d73dc8 r5:c0c2d688 [ 104.191812] irq event stamp: 0 # [ 103.169167] r4:e7f001f2 # [ 104.197058] hardirqs last enabled at (0): [<00000000>] 0x0 [ 103.171717] [] (do_u[ 104.205532] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c ndefinstr) from [] (__u[ 104.215936] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c nd_svc_finish+0x0/0x54) # [ 103[ 104.226300] softirqs last disabled at (0): [<00000000>] 0x0 .179640] Exception stack(0xc6d73d[ 104.234710] ---[ end trace dca5c33b5d5179a7 ]--- c8 to 0xc6d73e10) # [ 103.184704] 3dc0: c15e7d48 ef7c05e0 94f56d70 c0c2d674 00000001 c5bb7000 # [ 103.192895] 3de0: 00000004 c6d73f60 c15e7d40 c1acf5fc 00000004 c6d73e64 c6d73e68 c6d73e58 # [ 103.201081] 3e00: c0c2d108 c0c2d688 a00e0013 ffffffff # [ 103.206143] r7:c6d73dfc r6:ffffffff r5:a00e0013 r4:c0c2d68c # [ 103.211822] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) # [ 103.219405] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 103.227423] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 103.235351] r9:c6d73f60 r8:c538f000 r7:00000004 r6:b6e46000 r5:c6916c80 r4:c0c2d4e8 # [ 103.243107] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 103.250948] r9:c07f4a6c r8:c6d73f60 r7:c2816000 r6:b6e46000 r5:c6916c80 r4:00000000 # [ 103.258703] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 103.265850] r10:00000004 r9:00000000 r8:00000000 r7:b6e46000 r6:c6d72000 r5:c6916c80 # [ 103.273685] r4:c6916c80 # [ 103.276231] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 103.283377] r9:c6d72000 r8:c03002e4 r7:00000004 r6:b6f8de00 r5:00000004 r4:00000004 # [ 103.291132] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 103.298708] Exception stack(0xc6d73fa8 to 0xc6d73ff0) # [ 103.303770] 3fa0: 00000004 00000004 00000001 b6e46000 00000004 00000000 # [ 103.311960] 3fc0: 00000004 00000004 b6f8de00 00000004 00000001 00000000 00020000 beb96a54 # [ 103.320145] 3fe0: 00000004 beb96788 b6efb94f b6e81c66 # BUG: saw 'kernel BUG at': ok ok 2 selftests: lkdtm: BUG.sh # selftests: lkdtm: WARNING.sh # [ 103.887656] lkdtm: Performing direct entry WARNING # [ 103.894684] ------------[ cut here ]------------ # [ 103.902143] WARNING: CPU: 2 PID: 866 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x48/0x4c # [ 103.913433] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm phy_generic snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 103.945127] CPU: 2 PID: 866 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 103.955591] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 103.964981] Backtrace: # [ 103.970312] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 103.980727] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f728 # [ 103.986405] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 103.996580] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 104.006415] r9:00000009 r8:c0c2d6d4 r7:00000053 r6:00000009 r5:c0c2d6d4 r4:c1acfcb8 # [ 104.014175] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 104.021668] r7:00000053 r6:c1acfcb8 r5:00000000 r4:c6b34000 # [ 104.030192] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING+0x48/0x4c) # [ 104.041154] r9:c1acf600 r8:c15e7d40 r7:c6b35f60 r6:00000008 r5:c6da3000 r4:00000002 # [ 104.048915] [] (lkdtm_WARNING) from [] (lkdtm_do_action+0x2c/0x4c) # [ 104.059688] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 104.070570] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 104.081359] r9:c6b35f60 r8:c538f000 r7:00000008 r6:b6e36000 r5:c59d92c0 r4:c0c2d4e8 # [ 104.089120] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 104.099802] r9:c07f4a6c r8:c6b35f60 r7:c2816000 r6:b6e36000 r5:c59d92c0 r4:00000000 # [ 104.110421] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 104.119476] r10:00000004 r9:00000000 r8:00000000 r7:b6e36000 r6:c6b34000 r5:c59d92c0 # [ 104.127313] r4:c59d92c0 # [ 104.132711] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 104.142723] r9:c6b34000 r8:c03002e4 r7:00000004 r6:b6f7de00 r5:00000008 r4:00000008 # [ 104.150480] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 104.159509] Exception stack(0xc6b35fa8 to 0xc6b35ff0) # [ 104.164573] 5fa0: 00000008 00000008 00000001 b6e36000 00000008 00000000 # [ 104.175614] 5fc0: 00000008 00000008 b6f7de00 00000004 00000001 00000000 00020000 be96da54 # [ 104.186663] 5fe0: 00000004 be96d788 b6eeb94f b6e71c66 # [ 104.191812] irq event stamp: 0 # [ 104.197058] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 104.2[ 104.649804] lkdtm: Performing direct entry WARNING_MESSAGE 05532] hardirqs last disabled at [ 104.656884] ------------[ cut here ]------------ (0): [] copy_process+0x[ 104.664486] WARNING: CPU: 2 PID: 901 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x4c/0x54 5c8/0x194c # [ 104.215936] soft[ 104.676408] Warning message trigger count: 2 irqs last enabled at (0): [] copy_process+0x5c8/0x194c[ 104.715242] CPU: 2 PID: 901 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 104.226300] softirqs last d[ 104.725709] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) isabled at (0): [<00000000>] 0x0[ 104.735099] Backtrace: # [ 104.234710] ---[ end trace [ 104.740429] [] (dump_backtrace) from [] (show_stack+0x20/0x24) dca5c33b5d5179a7 ]--- # WARNING:[ 104.750845] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f728 saw 'WARNING:': ok ok 3 selftes[ 104.759372] [] (show_stack) from [] (dump_stack+0xe0/0x100) ts: lkdtm: WARNING.sh # selftest[ 104.769544] [] (dump_stack) from [] (__warn+0xfc/0x16c) s: lkdtm: WARNING_MESSAGE.sh [ 104.779359] r9:00000009 r8:c0c2d724 r7:00000058 r6:00000009 r5:c0c2d724 r4:c1acfcb8 [ 104.789705] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 104.797197] r7:00000058 r6:c1acfcb8 r5:c1acfcd4 r4:c6b36000 [ 104.802874] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING_MESSAGE+0x4c/0x54) [ 104.811670] r9:c1acf608 r8:c15e7d40 r7:c6b37f60 r6:00000010 r5:c6da3000 r4:00000003 [ 104.819428] [] (lkdtm_WARNING_MESSAGE) from [] (lkdtm_do_action+0x2c/0x4c) [ 104.828057] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 104.836079] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 104.844008] r9:c6b37f60 r8:c538f000 r7:00000010 r6:b6de3000 r5:c6918500 r4:c0c2d4e8 [ 104.851769] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 104.859611] r9:c07f4a6c r8:c6b37f60 r7:c2816000 r6:b6de3000 r5:c6918500 r4:00000000 [ 104.867367] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 104.874515] r10:00000004 r9:00000000 r8:00000000 r7:b6de3000 r6:c6b36000 r5:c6918500 [ 104.882351] r4:c6918500 [ 104.884899] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 104.892046] r9:c6b36000 r8:c03002e4 r7:00000004 r6:b6f2ae00 r5:00000010 r4:00000010 [ 104.899806] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 104.907384] Exception stack(0xc6b37fa8 to 0xc6b37ff0) [ 104.912448] 7fa0: 00000010 00000010 00000001 b6de3000 00000010 00000000 [ 104.920638] 7fc0: 00000010 00000010 b6f2ae00 00000004 00000001 00000000 00020000 bec7ca54 [ 104.928823] 7fe0: 00000004 bec7c788 b6e9894f b6e1ec66 [ 104.933958] irq event stamp: 0 [ 104.937037] hardirqs last enabled at (0): [<00000000>] 0x0 [ 104.942679] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 104.950243] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 104.957756] softirqs last disabled at (0): [<00000000>] 0x0 [ 104.963394] ---[ end trace dca5c33b5d5179a8 ]--- # [ 104.649804] lkdtm: Performing direct entry WARNING_MESSAGE # [ 104.656884] ------------[ cut here ]------------ # [ 104.664486] WARNING: CPU: 2 PID: 901 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x4c/0x54 # [ 104.676408] Warning message trigger count: 2 # [ 104.683539] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm phy_generic snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 104.715242] CPU: 2 PID: 901 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 104.725709] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 104.735099] Backtrace: # [ 104.740429] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 104.750845] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f728 # [ 104.759372] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 104.769544] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 104.779359] r9:00000009 r8:c0c2d724 r7:00000058 r6:00000009 r5:c0c2d724 r4:c1acfcb8 # [ 104.789705] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 104.797197] r7:00000058 r6:c1acfcb8 r5:c1acfcd4 r4:c6b36000 # [ 104.802874] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING_MESSAGE+0x4c/0x54) # [ 104.811670] r9:c1acf608 r8:c15e7d40 r7:c6b37f60 r6:00000010 r5:c6da3000 r4:00000003 # [ 104.819428] [] (lkdtm_WARNING_MESSAGE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 104.828057] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 104.836079] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 104.844008] r9:c6b37f60 r8:c538f000 r7:00000010 r6:b6de3000 r5:c6918500 r4:c0c2d4e8 # [ 104.851769] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 104.859611] r9:c07f4a6c r8:c6b37f60 r7:c2816000 r6:b6de3000 r5:c6918500 r4:00000000 # [ 104.867367] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 104.874515] r10:00000004 r9:00000000 r8:00000000 r7:b6de3000 r6:c6b36000 r5:c6918500 # [ 104.882351] r4:c6918500 # [ 104.884899] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 104.892046] r9:c6b36000 r8:c03002e4 r7:00000004 r6:b6f2ae00 r5:00000010 r4:00000010 # [ 104.899806] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 104.907384] Exception stack(0xc6b37fa8 to 0xc6b37ff0) # [ 104.912448] 7fa0: 00000010 00000010 00000001 b6de3000 00000010 00000000 # [ 104.920638] 7fc0: 00000010 00000010 b6f2ae00 00000004 00000001 00000000 00020000 bec7ca54 # [ 104.928823] 7fe0: 00000004 bec7c788 b6e9894f b6e1ec66 # [ 104.933958] irq event stamp: 0 # [ 104.937037] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 104.942679] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 104.950243] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 104.957756] softirqs last disabled at (0): [<00000000>] 0x0 # [ 104.963394] ---[ end trace dca5c33b5d5179a8 ]--- # WARNING_MESSAGE: saw 'message trigger': ok ok 4 selftests: lkdtm: WARNING_MESSAGE.sh # selftests: lkdtm: EXCEPTION.sh [ 105.357461] lkdtm: Performing direct entry EXCEPTION [ 105.362599] 8<--- cut here --- [ 105.365694] Unable to handle kernel NULL pointer dereference at virtual address 00000000 [ 105.373859] pgd = c462001b [ 105.376601] [00000000] *pgd=00000000 [ 105.380281] Internal error: Oops: 805 [#2] SMP ARM [ 105.385089] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm phy_generic snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 [ 105.414137] CPU: 1 PID: 933 Comm: cat Tainted: G D W 5.10.131-cip13 #1 [ 105.421802] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 105.428354] PC is at lkdtm_EXCEPTION+0x18/0x20 [ 105.432811] LR is at lkdtm_do_action+0x2c/0x4c [ 105.437263] pc : [] lr : [] psr: a00e0013 [ 105.443539] sp : c6a99e58 ip : c6a99e68 fp : c6a99e64 [ 105.448771] r10: 0000000a r9 : c1acf618 r8 : c15e7d40 [ 105.454006] r7 : c6a99f60 r6 : 0000000a r5 : c5fc8000 r4 : 00000004 [ 105.460541] r3 : 00000000 r2 : c488ebeb r1 : ef7965e0 r0 : c15e7d60 [ 105.467078] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 105.474225] Control: 10c5387d Table: 1697c04a DAC: 00000051 [ 105.479981] Process cat (pid: 933, stack limit = 0x505313c4) [ 105.485651] Stack: (0xc6a99e58 to 0xc6a9a000) [ 105.490020] 9e40: c6a99e74 c6a99e68 [ 105.498210] 9e60: c0c2d108 c0c2d738 c6a99e9c c6a99e78 c0c2d608 c0c2d0e8 c0c2d4e8 c696c000 [ 105.506399] 9e80: b6dd7000 0000000a c538f000 c6a99f60 c6a99ec4 c6a99ea0 c07f4ad0 c0c2d4f4 [ 105.514590] 9ea0: 00000000 c696c000 b6dd7000 c2816000 c6a99f60 c07f4a6c c6a99f5c c6a99ec8 [ 105.522780] 9ec0: c0598198 c07f4a78 00000001 00000000 c059872c c139ead8 c059872c c6a98000 [ 105.530970] 9ee0: b6dd7000 00020000 00000004 0000000a 0001fff6 c6a99ee0 00000001 b6dd6000 [ 105.539158] 9f00: c69183c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 105.547347] 9f20: 00000000 00000000 c139ead8 c488ebeb c205ca60 c696c000 c696c000 c6a98000 [ 105.555537] 9f40: b6dd7000 00000000 00000000 00000004 c6a99f94 c6a99f60 c059872c c0598098 [ 105.563726] 9f60: 00000000 00000000 c6a99fac c488ebeb 0000000a 0000000a b6f1ee00 00000004 [ 105.571915] 9f80: c03002e4 c6a98000 c6a99fa4 c6a99f98 c05987bc c05986c4 00000000 c6a99fa8 [ 105.580104] 9fa0: c03000c0 c05987b0 0000000a 0000000a 00000001 b6dd7000 0000000a 00000000 [ 105.588295] 9fc0: 0000000a 0000000a b6f1ee00 00000004 00000001 00000000 00020000 beea6a54 [ 105.596485] 9fe0: 00000004 beea6788 b6e8c94f b6e12c66 800e0030 00000001 00000000 00000000 [ 105.604668] Backtrace: [ 105.607138] [] (lkdtm_EXCEPTION) from [] (lkdtm_do_action+0x2c/0x4c) [ 105.615248] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 105.623273] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 105.631205] r9:c6a99f60 r8:c538f000 r7:0000000a r6:b6dd7000 r5:c696c000 r4:c0c2d4e8 [ 105.638965] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 105.646807] r9:c07f4a6c r8:c6a99f60 r7:c2816000 r6:b6dd7000 r5:c696c000 r4:00000000 [ 105.654563] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 105.661711] r10:00000004 r9:00000000 r8:00000000 r7:b6dd7000 r6:c6a98000 r5:c696c000 [ 105.669548] r4:c696c000 [ 105.672096] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 105.679243] r9:c6a98000 r8:c03002e4 r7:00000004 r6:b6f1ee00 r5:0000000a r4:0000000a [ 105.687003] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 105.694579] Exception stack(0xc6a99fa8 to 0xc6a99ff0) [ 105.699643] 9fa0: 0000000a 0000000a 00000001 b6dd7000 0000000a 00000000 [ 105.707832] 9fc0: 0000000a 0000000a b6f1ee00 00000004 00000001 00000000 00020000 beea6a54 [ 105.716018] 9fe0: 00000004 beea6788 b6e8c94f b6e12c66 [ 105.721086] Code: e24cb004 e52de004 e8bd4000 e3a03000 (e5833000) [ 105.727290] ---[ end trace dca5c33b5d5179a9 ]--- # Segmentation fault # [ 105.357461] lkdtm: Performing direct entry EXCEPTION # [ 105.362599] 8<--- cut here --- # [ 105.365694] Unable to handle kernel NULL pointer dereference at virtual address 00000000 # [ 105.373859] pgd = c462001b # [ 105.376601] [00000000] *pgd=00000000 # [ 105.380281] Internal error: Oops: 805 [#2] SMP ARM # [ 105.385089] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm phy_generic snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 105.414137] CPU: 1 PID: 933 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 105.421802] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 105.428354] PC is at lkdtm_EXCEPTION+0x18/0x20 # [ 105.432811] LR is at lkdtm_do_action+0x2c/0x4c # [ 105.437263] pc : [] lr : [] psr: a00e0013 # [ 105.443539] sp : c6a99e58 ip : c6a99e68 fp : c6a99e64 # [ 105.448771] r10: 0000000a r9 : c1acf618 r8 : c15e7d40 # [ 105.454006] r7 : c6a99f60 r6 : 0000000a r5 : c5fc8000 r4 : 00000004 # [ 105.460541] r3 : 00000000 r2 : c488ebeb r1 : ef7965e0 r0 : c15e7d60 # [ 105.467078] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 105.474225] Control: 10c5387d Table: 1697c04a DAC: 00000051 # [ 105.479981] Process cat (pid: 933, stack limit = 0x505313c4) # [ 105.485651] Stack: (0xc6a99e58 to 0xc6a9a000) # [ 105.490020] 9e40: c6a99e74 c6a99e68 # [ 105.498210] 9e60: c0c2d108 c0c2d738 c6a99e9c c6a99e78 c0c2d608 c0c2d0e8 c0c2d4e8 c696c000 # [ 105.506399] 9e80: b6dd7000 0000000a c538f000 c6a99f60 c6a99ec4 c6a99ea0 c07f4ad0 c0c2d4f4 # [ 105.514590] 9ea0: 00000000 c696c000 b6dd7000 c2816000 c6a99f60 c07f4a6c c6a99f5c c6a99ec8 # [ 105.522780] 9ec0: c0598198 c07f4a78 00000001 00000000 c059872c c139ead8 c059872c c6a98000 # [ 105.530970] 9ee0: b6dd7000 00020000 00000004 0000000a 0001fff6 c6a99ee0 00000001 b6dd6000 # [ 105.539158] 9f00: c69183c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 105.547347] 9f20: 00000000 00000000 c139ead8 c488ebeb c205ca60 c696c000 c696c000 c6a98000 # [ 105.555537] 9f40: b6dd7000 00000000 00000000 00000004 c6a99f94 c6a99f60 c059872c c0598098 # [ 105.563726] 9f60: 00000000 00000000 c6a99fac c488ebeb 0000000a 0000000a b6f1ee00 00000004 # [ 105.571915] 9f80: c03002e4 c6a98000 c6a99fa4 c6a99f98 c05987bc c05986c4 00000000 c6a99fa8 # [ 105.580104] 9fa0: c03000c0 c05987b0 0000000a 0000000a 00000001 b6dd7000 0000000a 00000000 # [ 105.588295] 9fc0: 0000000a 0000000a b6f1ee00 00000004 00000001 00000000 00020000 beea6a54 # [ 105.596485] 9fe0: 00000004 beea6788 b6e8c94f b6e12c66 800e0030 00000001 00000000 00000000 # [ 105.604668] Backtrace: # [ 105.607138] [] (lkdtm_EXCEPTION) from [] (lkdtm_do_action+0x2c/0x4c) # [ 105.615248] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 105.623273] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 105.631205] r9:c6a99f60 r8:c538f000 r7:0000000a r6:b6dd7000 r5:c696c000 r4:c0c2d4e8 # [ 105.638965] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 105.646807] r9:c07f4a6c r8:c6a99f60 r7:c2816000 r6:b6dd7000 r5:c696c000 r4:00000000 # [ 105.654563] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 105.661711] r10:00000004 r9:00000000 r8:00000000 r7:b6dd7000 r6:c6a98000 r5:c696c000 # [ 105.669548] r4:c696c000 # [ 105.672096] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 105.679243] r9:c6a98000 r8:c03002e4 r7:00000004 r6:b6f1ee00 r5:0000000a r4:0000000a # [ 105.687003] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 105.694579] Exception stack(0xc6a99fa8 to 0xc6a99ff0) # [ 105.699643] 9fa0: 0000000a 0000000a 00000001 b6dd7000 0000000a 00000000 # [ 105.707832] 9fc0: 0000000a 0000000a b6f1ee00 00000004 00000001 00000000 00020000 beea6a54 # [ 105.716018] 9fe0: 00000004 beea6788 b6e8c94f b6e12c66 # [ 105.721086] Code: e24cb004 e52de004 e8bd4000 e3a03000 (e5833000) # [ 105.727290] ---[ end trace dca5c33b5d5179a9 ]--- # 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 [ 107.157339] lkdtm: Performing direct entry CORRUPT_LIST_ADD [ 107.162998] lkdtm: attempting good list addition [ 107.167631] lkdtm: attempting corrupted list addition [ 107.172734] lkdtm: list_add() corruption not detected! # [ 107.157339] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 107.162998] lkdtm: attempting good list addition # [ 107.167631] lkdtm: attempting corrupted list addition # [ 107.172734] 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 [ 107.568031] lkdtm: Performing direct entry CORRUPT_LIST_DEL [ 107.573697] lkdtm: attempting good list removal [ 107.578244] lkdtm: attempting corrupted list removal [ 107.583283] lkdtm: list_del() corruption not detected! # [ 107.568031] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 107.573697] lkdtm: attempting good list removal # [ 107.578244] lkdtm: attempting corrupted list removal # [ 107.583283] 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 [ 107.943073] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING [ 107.949447] lkdtm: attempting bad read from page below current stack [ 107.955817] lkdtm: FAIL: accessed page before stack! (byte: 62) # [ 107.943073] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 107.949447] lkdtm: attempting bad read from page below current stack # [ 107.955817] lkdtm: FAIL: accessed page before stack! (byte: 62) # 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 [ 108.321258] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING [ 108.327663] lkdtm: attempting bad read from page above current stack [ 108.334169] lkdtm: FAIL: accessed page after stack! (byte: 0) # [ 108.321258] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING # [ 108.327663] lkdtm: attempting bad read from page above current stack # [ 108.334169] lkdtm: FAIL: accessed page after stack! (byte: 0) # STACK_GUARD_PAGE_TRAILING: missing 'call trace:': [FAIL] not ok 13 selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # exit=1 # selftests: lkdtm: UNSET_SMEP.sh [ 108.713650] lkdtm: Performing direct entry UNSET_SMEP [ 108.718830] lkdtm: XFAIL: this test is x86_64-only # [ 108.713650] lkdtm: Performing direct entry UNSET_SMEP # [ 108.718830] 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 [ 109.095643] lkdtm: Performing direct entry DOUBLE_FAULT [ 109.101127] lkdtm: XFAIL: this test is ia32-only # [ 109.095643] lkdtm: Performing direct entry DOUBLE_FAULT # [ 109.101127] 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 [ 109.466354] lkdtm: Performing direct entry CORRUPT_PAC [ 109.471603] lkdtm: XFAIL: this test is arm64-only # [ 109.466354] lkdtm: Performing direct entry CORRUPT_PAC # [ 109.471603] lkdtm: XFAIL: this test is arm64-only # CORRUPT_PAC: saw 'XFAIL': [SKIP] ok 16 selftests: lkdtm: CORRUPT_PAC.sh # SKIP # selftests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh [ 109.854494] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE [ 109.861031] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS # [ 109.854494] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # [ 109.861031] 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 [ 110.651698] lkdtm: Performing direct entry READ_AFTER_FREE [ 110.657216] lkdtm: Value in memory before free: 12345678 [ 110.662633] lkdtm: Attempting bad read from freed memory [ 110.667962] lkdtm: Memory was not poisoned # [ 110.651698] lkdtm: Performing direct entry READ_AFTER_FREE # [ 110.657216] lkdtm: Value in memory before free: 12345678 # [ 110.662633] lkdtm: Attempting bad read from freed memory # [ 110.667962] 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 [ 111.264655] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE [ 111.270754] lkdtm: Value in memory before free: 12345678 [ 111.276084] lkdtm: Attempting to read from freed memory [ 111.281393] lkdtm: Buddy page was not poisoned # [ 111.264655] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE # [ 111.270754] lkdtm: Value in memory before free: 12345678 # [ 111.276084] lkdtm: Attempting to read from freed memory # [ 111.281393] 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 [ 111.661393] lkdtm: Performing direct entry SLAB_FREE_DOUBLE [ 111.667006] lkdtm: Attempting double slab free ... # [ 111.661393] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 111.667006] 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 [ 112.022078] lkdtm: Performing direct entry SLAB_FREE_CROSS [ 112.027604] lkdtm: Attempting cross-cache slab free ... # [ 112.022078] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 112.027604] 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 [ 112.393186] lkdtm: Performing direct entry SLAB_FREE_PAGE [ 112.398671] lkdtm: Attempting non-Slab slab free ... # [ 112.393186] lkdtm: Performing direct entry SLAB_FREE_PAGE # [ 112.398671] 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 [ 113.650766] lkdtm: Performing direct entry EXEC_DATA [ 113.655759] lkdtm: attempting ok execution at c0c2de78 [ 113.660981] lkdtm: attempting bad execution at c26f774c [ 113.666230] 8<--- cut here --- [ 113.669295] Unable to handle kernel paging request at virtual address c26f774c [ 113.676528] pgd = f09860a2 [ 113.679243] [c26f774c] *pgd=1261141e(bad) [ 113.683279] Internal error: Oops: 8000000d [#3] SMP ARM [ 113.688514] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm phy_generic snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 [ 113.717586] CPU: 3 PID: 1776 Comm: cat Tainted: G D W 5.10.131-cip13 #1 [ 113.725337] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 113.731884] PC is at data_area+0x0/0x40 [ 113.735736] LR is at execute_location+0xa4/0xb4 [ 113.740274] pc : [] lr : [] psr: 600e0013 [ 113.746549] sp : c6d97e38 ip : 00000027 fp : c6d97e54 [ 113.751781] r10: 0000000a r9 : c1acf7fc r8 : c15e7d40 [ 113.757013] r7 : c6d97f60 r6 : 00000001 r5 : c26f774c r4 : c0c2de78 [ 113.763547] r3 : 1a81f75e r2 : 1a81f75e r1 : ef7c05e4 r0 : 0000002b [ 113.770085] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 113.777228] Control: 10c5387d Table: 16e9804a DAC: 00000051 [ 113.782982] Process cat (pid: 1776, stack limit = 0x1a425a7b) [ 113.788736] Stack: (0xc6d97e38 to 0xc6d98000) [ 113.793103] 7e20: 0000001f c5fe8000 [ 113.801293] 7e40: 0000000a c6d97f60 c6d97e64 c6d97e58 c13894bc c13892b8 c6d97e74 c6d97e68 [ 113.809482] 7e60: c0c2d108 c13894a4 c6d97e9c c6d97e78 c0c2d608 c0c2d0e8 c0c2d4e8 c5a33cc0 [ 113.817670] 7e80: b6e77000 0000000a c538f000 c6d97f60 c6d97ec4 c6d97ea0 c07f4ad0 c0c2d4f4 [ 113.825859] 7ea0: 00000000 c5a33cc0 b6e77000 c2816000 c6d97f60 c07f4a6c c6d97f5c c6d97ec8 [ 113.834050] 7ec0: c0598198 c07f4a78 00000001 00000000 c059872c c139ead8 c059872c c6d96000 [ 113.842239] 7ee0: b6e77000 00020000 00000004 0000000a 0001fff6 c6d97ee0 00000001 b6e76000 [ 113.850426] 7f00: c5b40dc0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 113.858614] 7f20: 00000000 00000000 c139ead8 1a81f75e c205ca60 c5a33cc0 c5a33cc0 c6d96000 [ 113.866801] 7f40: b6e77000 00000000 00000000 00000004 c6d97f94 c6d97f60 c059872c c0598098 [ 113.874989] 7f60: 00000000 00000000 c6d97fac 1a81f75e 0000000a 0000000a b6fbee00 00000004 [ 113.883177] 7f80: c03002e4 c6d96000 c6d97fa4 c6d97f98 c05987bc c05986c4 00000000 c6d97fa8 [ 113.891366] 7fa0: c03000c0 c05987b0 0000000a 0000000a 00000001 b6e77000 0000000a 00000000 [ 113.899553] 7fc0: 0000000a 0000000a b6fbee00 00000004 00000001 00000000 00020000 be9dda54 [ 113.907742] 7fe0: 00000004 be9dd788 b6f2c94f b6eb2c66 800e0030 00000001 00000000 00000000 [ 113.915922] Backtrace: [ 113.918393] [] (execute_location) from [] (lkdtm_EXEC_DATA+0x24/0x28) [ 113.926583] r7:c6d97f60 r6:0000000a r5:c5fe8000 r4:0000001f [ 113.932265] [] (lkdtm_EXEC_DATA) from [] (lkdtm_do_action+0x2c/0x4c) [ 113.940373] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 113.948397] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 113.956327] r9:c6d97f60 r8:c538f000 r7:0000000a r6:b6e77000 r5:c5a33cc0 r4:c0c2d4e8 [ 113.964087] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 113.971929] r9:c07f4a6c r8:c6d97f60 r7:c2816000 r6:b6e77000 r5:c5a33cc0 r4:00000000 [ 113.979687] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 113.986834] r10:00000004 r9:00000000 r8:00000000 r7:b6e77000 r6:c6d96000 r5:c5a33cc0 [ 113.994670] r4:c5a33cc0 [ 113.997217] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 114.004365] r9:c6d96000 r8:c03002e4 r7:00000004 r6:b6fbee00 r5:0000000a r4:0000000a [ 114.012123] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 114.019700] Exception stack(0xc6d97fa8 to 0xc6d97ff0) [ 114.024762] 7fa0: 0000000a 0000000a 00000001 b6e77000 0000000a 00000000 [ 114.032951] 7fc0: 0000000a 0000000a b6fbee00 00000004 00000001 00000000 00020000 be9dda54 [ 114.041136] 7fe0: 00000004 be9dd788 b6f2c94f b6eb2c66 [ 114.046202] Code: 00000000 c2c93900 c2c939c0 c2c93a80 (e1a0c00d) [ 114.052310] ---[ end trace dca5c33b5d5179aa ]--- # Segmentation fault # [ 113.650766] lkdtm: Performing direct entry EXEC_DATA # [ 113.655759] lkdtm: attempting ok execution at c0c2de78 # [ 113.660981] lkdtm: attempting bad execution at c26f774c # [ 113.666230] 8<--- cut here --- # [ 113.669295] Unable to handle kernel paging request at virtual address c26f774c # [ 113.676528] pgd = f09860a2 # [ 113.679243] [c26f774c] *pgd=1261141e(bad) # [ 113.683279] Internal error: Oops: 8000000d [#3] SMP ARM # [ 113.688514] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm phy_generic snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 113.717586] CPU: 3 PID: 1776 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 113.725337] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 113.731884] PC is at data_area+0x0/0x40 # [ 113.735736] LR is at execute_location+0xa4/0xb4 # [ 113.740274] pc : [] lr : [] psr: 600e0013 # [ 113.746549] sp : c6d97e38 ip : 00000027 fp : c6d97e54 # [ 113.751781] r10: 0000000a r9 : c1acf7fc r8 : c15e7d40 # [ 113.757013] r7 : c6d97f60 r6 : 00000001 r5 : c26f774c r4 : c0c2de78 # [ 113.763547] r3 : 1a81f75e r2 : 1a81f75e r1 : ef7c05e4 r0 : 0000002b # [ 113.770085] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 113.777228] Control: 10c5387d Table: 16e9804a DAC: 00000051 # [ 113.782982] Process cat (pid: 1776, stack limit = 0x1a425a7b) # [ 113.788736] Stack: (0xc6d97e38 to 0xc6d98000) # [ 113.793103] 7e20: 0000001f c5fe8000 # [ 113.801293] 7e40: 0000000a c6d97f60 c6d97e64 c6d97e58 c13894bc c13892b8 c6d97e74 c6d97e68 # [ 113.809482] 7e60: c0c2d108 c13894a4 c6d97e9c c6d97e78 c0c2d608 c0c2d0e8 c0c2d4e8 c5a33cc0 # [ 113.817670] 7e80: b6e77000 0000000a c538f000 c6d97f60 c6d97ec4 c6d97ea0 c07f4ad0 c0c2d4f4 # [ 113.825859] 7ea0: 00000000 c5a33cc0 b6e77000 c2816000 c6d97f60 c07f4a6c c6d97f5c c6d97ec8 # [ 113.834050] 7ec0: c0598198 c07f4a78 00000001 00000000 c059872c c139ead8 c059872c c6d96000 # [ 113.842239] 7ee0: b6e77000 00020000 00000004 0000000a 0001fff6 c6d97ee0 00000001 b6e76000 # [ 113.850426] 7f00: c5b40dc0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 113.858614] 7f20: 00000000 00000000 c139ead8 1a81f75e c205ca60 c5a33cc0 c5a33cc0 c6d96000 # [ 113.866801] 7f40: b6e77000 00000000 00000000 00000004 c6d97f94 c6d97f60 c059872c c0598098 # [ 113.874989] 7f60: 00000000 00000000 c6d97fac 1a81f75e 0000000a 0000000a b6fbee00 00000004 # [ 113.883177] 7f80: c03002e4 c6d96000 c6d97fa4 c6d97f98 c05987bc c05986c4 00000000 c6d97fa8 # [ 113.891366] 7fa0: c03000c0 c05987b0 0000000a 0000000a 00000001 b6e77000 0000000a 00000000 # [ 113.899553] 7fc0: 0000000a 0000000a b6fbee00 00000004 00000001 00000000 00020000 be9dda54 # [ 113.907742] 7fe0: 00000004 be9dd788 b6f2c94f b6eb2c66 800e0030 00000001 00000000 00000000 # [ 113.915922] Backtrace: # [ 113.918393] [] (execute_location) from [] (lkdtm_EXEC_DATA+0x24/0x28) # [ 113.926583] r7:c6d97f60 r6:0000000a r5:c5fe8000 r4:0000001f # [ 113.932265] [] (lkdtm_EXEC_DATA) from [] (lkdtm_do_action+0x2c/0x4c) # [ 113.940373] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 113.948397] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 113.956327] r9:c6d97f60 r8:c538f000 r7:0000000a r6:b6e77000 r5:c5a33cc0 r4:c0c2d4e8 # [ 113.964087] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 113.971929] r9:c07f4a6c r8:c6d97f60 r7:c2816000 r6:b6e77000 r5:c5a33cc0 r4:00000000 # [ 113.979687] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 113.986834] r10:00000004 r9:00000000 r8:00000000 r7:b6e77000 r6:c6d96000 r5:c5a33cc0 # [ 113.994670] r4:c5a33cc0 # [ 113.997217] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 114.004365] r9:c6d96000 r8:c03002e4 r7:00000004 r6:b6fbee00 r5:0000000a r4:0000000a # [ 114.012123] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 114.019700] Exception stack(0xc6d97fa8 to 0xc6d97ff0) # [ 114.024762] 7fa0: 0000000a 0000000a 00000001 b6e77000 0000000a 00000000 # [ 114.032951] 7fc0: 0000000a 000000[ 114.556270] lkdtm: Performing direct entry EXEC_STACK 0a b6fbee00 00000004 00000001 000[ 114.561792] lkdtm: attempting ok execution at c0c2de78 00000 00020000 be9dda54 # [ 114[ 114.569773] lkdtm: attempting bad execution at c6d97e0c .041136] 7fe0: 00000004 be9dd788 [ 114.577862] 8<--- cut here --- [ 114.583741] Unable to handle kernel paging request at virtual address c6d97e0c [ 114.590972] pgd = f55c0058 [ 114.593688] [c6d97e0c] *pgd=16c1141e(bad) [ 114.597726] Internal error: Oops: 8000000d [#4] SMP ARM [ 114.602959] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm phy_generic snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 [ 114.632029] CPU: 0 PID: 1852 Comm: cat Tainted: G D W 5.10.131-cip13 #1 [ 114.639778] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 114.646318] PC is at 0xc6d97e0c [ 114.649477] LR is at execute_location+0xa4/0xb4 [ 114.654018] pc : [] lr : [] psr: 600e0013 [ 114.660293] sp : c6d97de8 ip : 00000027 fp : c6d97e04 [ 114.665525] r10: 0000000b r9 : c1acf808 r8 : c15e7d40 [ 114.670759] r7 : c6d97f60 r6 : 00000001 r5 : c6d97e0c r4 : c0c2de78 [ 114.677294] r3 : 90987ca9 r2 : 90987ca9 r1 : ef7815e4 r0 : 0000002b [ 114.683832] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 114.690976] Control: 10c5387d Table: 16e6404a DAC: 00000051 [ 114.696729] Process cat (pid: 1852, stack limit = 0x1a425a7b) [ 114.702484] Stack: (0xc6d97de8 to 0xc6d98000) [ 114.706856] 7de0: c6d96000 c46c7000 0000000b c6d97f60 c6d97e64 c6d97e08 [ 114.715046] 7e00: c13894f8 c13892b8 c6d97e6c e1a0c00d e92dd800 e24cb004 e52de004 e8bd4000 [ 114.723236] 7e20: e89da800 e1a0c00d e92dd830 e24cb004 e52de004 e8bd4000 e3013360 e34c31b8 [ 114.731426] 7e40: e3a02040 e3a01d33 e5930018 90987ca9 0000000b 00000020 c6d97e74 c6d97e68 [ 114.739615] 7e60: c0c2d108 c13894cc c6d97e9c c6d97e78 c0c2d608 c0c2d0e8 c0c2d4e8 c58292c0 [ 114.747804] 7e80: b6e07000 0000000b c538f000 c6d97f60 c6d97ec4 c6d97ea0 c07f4ad0 c0c2d4f4 [ 114.755995] 7ea0: 00000000 c58292c0 b6e07000 c2816000 c6d97f60 c07f4a6c c6d97f5c c6d97ec8 [ 114.764186] 7ec0: c0598198 c07f4a78 00000001 00000000 c059872c c139ead8 c059872c c6d96000 [ 114.772375] 7ee0: b6e07000 00020000 00000004 0000000b 0001fff5 c6d97ee0 00000001 b6e06000 [ 114.780562] 7f00: c6a3db80 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 114.788752] 7f20: 00000000 00000000 c139ead8 90987ca9 c205ca60 c58292c0 c58292c0 c6d96000 [ 114.796940] 7f40: b6e07000 00000000 00000000 00000004 c6d97f94 c6d97f60 c059872c c0598098 [ 114.805128] 7f60: 00000000 00000000 c6d97fac 90987ca9 0000000b 0000000b b6f4ee00 00000004 [ 114.813316] 7f80: c03002e4 c6d96000 c6d97fa4 c6d97f98 c05987bc c05986c4 00000000 c6d97fa8 [ 114.821504] 7fa0: c03000c0 c05987b0 0000000b 0000000b 00000001 b6e07000 0000000b 00000000 [ 114.829693] 7fc0: 0000000b 0000000b b6f4ee00 00000004 00000001 00000000 00020000 beac5a54 [ 114.837880] 7fe0: 00000004 beac5788 b6ebc94f b6e42c66 800e0030 00000001 00000000 00000000 [ 114.846062] Backtrace: [ 114.848534] [] (execute_location) from [] (lkdtm_EXEC_STACK+0x38/0x54) [ 114.856811] r7:c6d97f60 r6:0000000b r5:c46c7000 r4:c6d96000 [ 114.862493] [] (lkdtm_EXEC_STACK) from [] (lkdtm_do_action+0x2c/0x4c) [ 114.870678] r4:00000020 [ 114.873229] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 114.881252] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 114.889181] r9:c6d97f60 r8:c538f000 r7:0000000b r6:b6e07000 r5:c58292c0 r4:c0c2d4e8 [ 114.896942] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 114.904786] r9:c07f4a6c r8:c6d97f60 r7:c2816000 r6:b6e07000 r5:c58292c0 r4:00000000 [ 114.912545] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 114.919692] r10:00000004 r9:00000000 r8:00000000 r7:b6e07000 r6:c6d96000 r5:c58292c0 [ 114.927529] r4:c58292c0 [ 114.930076] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 114.937222] r9:c6d96000 r8:c03002e4 r7:00000004 r6:b6f4ee00 r5:0000000b r4:0000000b [ 114.944980] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 114.952557] Exception stack(0xc6d97fa8 to 0xc6d97ff0) [ 114.957620] 7fa0: 0000000b 0000000b 00000001 b6e07000 0000000b 00000000 [ 114.965812] 7fc0: 0000000b 0000000b b6f4ee00 00000004 00000001 00000000 00020000 beac5a54 [ 114.973998] 7fe0: 00000004 beac5788 b6ebc94f b6e42c66 [ 114.979064] Code: c6d97e08 c13894f8 c13892b8 c6d97e6c (e1a0c00d) [ 114.985171] ---[ end trace dca5c33b5d5179ab ]--- b6f2c94f b6eb2c66 # [ 114.046202] Code: 00000000 c2c93900 c2c939c0 c2c93a80 (e1a0c00d) # [ 114.052310] ---[ end trace dca5c33b5d5179aa ]--- # EXEC_DATA: missing 'call trace:': [FAIL] not ok 30 selftests: lkdtm: EXEC_DATA.sh # exit=1 # selftests: lkdtm: EXEC_STACK.sh # Segmentation fault # [ 114.556270] lkdtm: Performing direct entry EXEC_STACK # [ 114.561792] lkdtm: attempting ok execution at c0c2de78 # [ 114.569773] lkdtm: attempting bad execution at c6d97e0c # [ 114.577862] 8<--- cut here --- # [ 114.583741] Unable to handle kernel paging request at virtual address c6d97e0c # [ 114.590972] pgd = f55c0058 # [ 114.593688] [c6d97e0c] *pgd=16c1141e(bad) # [ 114.597726] Internal error: Oops: 8000000d [#4] SMP ARM # [ 114.602959] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm phy_generic snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 114.632029] CPU: 0 PID: 1852 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 114.639778] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 114.646318] PC is at 0xc6d97e0c # [ 114.649477] LR is at execute_location+0xa4/0xb4 # [ 114.654018] pc : [] lr : [] psr: 600e0013 # [ 114.660293] sp : c6d97de8 ip : 00000027 fp : c6d97e04 # [ 114.665525] r10: 0000000b r9 : c1acf808 r8 : c15e7d40 # [ 114.670759] r7 : c6d97f60 r6 : 00000001 r5 : c6d97e0c r4 : c0c2de78 # [ 114.677294] r3 : 90987ca9 r2 : 90987ca9 r1 : ef7815e4 r0 : 0000002b # [ 114.683832] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 114.690976] Control: 10c5387d Table: 16e6404a DAC: 00000051 # [ 114.696729] Process cat (pid: 1852, stack limit = 0x1a425a7b) # [ 114.702484] Stack: (0xc6d97de8 to 0xc6d98000) # [ 114.706856] 7de0: c6d96000 c46c7000 0000000b c6d97f60 c6d97e64 c6d97e08 # [ 114.715046] 7e00: c13894f8 c13892b8 c6d97e6c e1a0c00d e92dd800 e24cb004 e52de004 e8bd4000 # [ 114.723236] 7e20: e89da800 e1a0c00d e92dd830 e24cb004 e52de004 e8bd4000 e3013360 e34c31b8 # [ 114.731426] 7e40: e3a02040 e3a01d33 e5930018 90987ca9 0000000b 00000020 c6d97e74 c6d97e68 # [ 114.739615] 7e60: c0c2d108 c13894cc c6d97e9c c6d97e78 c0c2d608 c0c2d0e8 c0c2d4e8 c58292c0 # [ 114.747804] 7e80: b6e07000 0000000b c538f000 c6d97f60 c6d97ec4 c6d97ea0 c07f4ad0 c0c2d4f4 # [ 114.755995] 7ea0: 00000000 c58292c0 b6e07000 c2816000 c6d97f60 c07f4a6c c6d97f5c c6d97ec8 # [ 114.764186] 7ec0: c0598198 c07f4a78 00000001 00000000 c059872c c139ead8 c059872c c6d96000 # [ 114.772375] 7ee0: b6e07000 00020000 00000004 0000000b 0001fff5 c6d97ee0 00000001 b6e06000 # [ 114.780562] 7f00: c6a3db80 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 114.788752] 7f20: 00000000 00000000 c139ead8 90987ca9 c205ca60 c58292c0 c58292c0 c6d96000 # [ 114.796940] 7f40: b6e07000 00000000 00000000 00000004 c6d97f94 c6d97f60 c059872c c0598098 # [ 114.805128] 7f60: 00000000 00000000 c6d97fac 90987ca9 0000000b 0000000b b6f4ee00 00000004 # [ 114.813316] 7f80: c03002e4 c6d96000 c6d97fa4 c6d97f98 c05987bc c05986c4 00000000 c6d97fa8 # [ 114.821504] 7fa0: c03000c0 c05987b0 0000000b 0000000b 00000001 b6e07000 0000000b 00000000 # [ 114.829693] 7fc0: 0000000b 0000000b b6f4ee00 00000004 00000001 00000000 00020000 beac5a54 # [ 114.837880] 7fe0: 00000004 beac5788 b6ebc94f b6e42c66 800e0030 00000001 00000000 00000000 # [ 114.846062] Backtrace: # [ 114.848534] [] (execute_location) from [] (lkdtm_EXEC_STACK+0x38/0x54) # [ 114.856811] r7:c6d97f60 r6:0000000b r5:c46c7000 r4:c6d96000 # [ 114.862493] [] (lkdtm_EXEC_STACK) from [] (lkdtm_do_action+0x2c/0x4c) # [ 114.870678] r4:00000020 # [ 114.873229] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 114.881252] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 114.889181] r9:c6d97f60 r8:c538f000 r7:0000000b r6:b6e07000 r5:c58292c0 r4:c0c2d4e8 # [ 114.896942] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 114.904786] r9:c07f4a6c r8:c6d97f60 r7:c2816000 r6:b6e07000 r5:c58292c0 r4:00000000 # [ 114.912545] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 114.919692] r10:00000004 r9:00000000 r8:00000000 r7:b6e07000 r6:c6d96000 r5:c58292c0 # [ 114.927529] r4:c58292c0 # [ 114.930076] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 114.937222] r9:c6d96000 r8:c03002e4 r7:00000004 r6:b6f4ee00 r5:0000000b r4:0000000b # [ 114.944980] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 114.952557] Exception stack(0xc6d97fa8 to 0xc6d97ff0) # [ 114.957620] 7fa0: 0000000b 0000000b 00000001 b6e07000 0000000b 00000000 # [ 114.965812] 7fc0: 0000000b 0000000b b6f4ee00 00000004 00000001 00000000 00020000 beac5a54 # [ 114.973998] 7fe0: 00000004 beac5788 b6ebc94f b6e42c66 # [ 114.979064] Code: c6d97e08 c13894f8 c13892b8 c6d97e6c (e1a0c00d) # [ 114.985171] ---[ end trace dca5c33b5d5179ab ]--- # EXEC_STACK: missing 'call trace:': [FAIL] not ok 31 selftests: lkdtm: EXEC_STACK.sh # exit=1 # selftests: lkdtm: EXEC_KMALLOC.sh [ 115.595135] lkdtm: Performing direct entry EXEC_KMALLOC [ 115.600463] lkdtm: attempting ok execution at c0c2de78 [ 115.605618] lkdtm: attempting bad execution at c5a52600 [ 115.610910] 8<--- cut here --- [ 115.613974] Unable to handle kernel paging request at virtual address c5a52600 [ 115.621208] pgd = 611f32fd [ 115.623924] [c5a52600] *pgd=15a1141e(bad) [ 115.627961] Internal error: Oops: 8000000d [#5] SMP ARM [ 115.633196] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm phy_generic snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 [ 115.662268] CPU: 1 PID: 1931 Comm: cat Tainted: G D W 5.10.131-cip13 #1 [ 115.670018] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 115.676559] PC is at 0xc5a52600 [ 115.679717] LR is at execute_location+0xa4/0xb4 [ 115.684257] pc : [] lr : [] psr: 600e0013 [ 115.690534] sp : c6979e30 ip : c6979d38 fp : c6979e4c [ 115.695765] r10: 0000000d r9 : c1acf814 r8 : c15e7d40 [ 115.700997] r7 : c6979f60 r6 : 00000001 r5 : c5a52600 r4 : c0c2de78 [ 115.707532] r3 : cbac1ebd r2 : cbac1ebd r1 : ef7965e0 r0 : 0000002b [ 115.714068] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 115.721212] Control: 10c5387d Table: 1474804a DAC: 00000051 [ 115.726966] Process cat (pid: 1931, stack limit = 0xd30599de) [ 115.732721] Stack: (0xc6979e30 to 0xc697a000) [ 115.737089] 9e20: c5a52600 c6a18000 0000000d c6979f60 [ 115.745279] 9e40: c6979e64 c6979e50 c0c2dec8 c13892b8 00000021 c6a18000 c6979e74 c6979e68 [ 115.753469] 9e60: c0c2d108 c0c2de9c c6979e9c c6979e78 c0c2d608 c0c2d0e8 c0c2d4e8 c5a6bb80 [ 115.761658] 9e80: b6eb1000 0000000d c538f000 c6979f60 c6979ec4 c6979ea0 c07f4ad0 c0c2d4f4 [ 115.769846] 9ea0: 00000000 c5a6bb80 b6eb1000 c2816000 c6979f60 c07f4a6c c6979f5c c6979ec8 [ 115.778035] 9ec0: c0598198 c07f4a78 00000001 00000000 c059872c c139ead8 c059872c c6978000 [ 115.786225] 9ee0: b6eb1000 00020000 00000004 0000000d 0001fff3 c6979ee0 00000001 b6eb0000 [ 115.794413] 9f00: c5abaf00 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 115.802601] 9f20: 00000000 00000000 c139ead8 cbac1ebd c205ca60 c5a6bb80 c5a6bb80 c6978000 [ 115.810789] 9f40: b6eb1000 00000000 00000000 00000004 c6979f94 c6979f60 c059872c c0598098 [ 115.818977] 9f60: 00000000 00000000 c6979fac cbac1ebd 0000000d 0000000d b6ff8e00 00000004 [ 115.827165] 9f80: c03002e4 c6978000 c6979fa4 c6979f98 c05987bc c05986c4 00000000 c6979fa8 [ 115.835352] 9fa0: c03000c0 c05987b0 0000000d 0000000d 00000001 b6eb1000 0000000d 00000000 [ 115.843542] 9fc0: 0000000d 0000000d b6ff8e00 00000004 00000001 00000000 00020000 bef24a54 [ 115.851730] 9fe0: 00000004 bef24788 b6f6694f b6eecc66 800e0030 00000001 00000000 00000000 [ 115.859911] Backtrace: [ 115.862389] [] (execute_location) from [] (lkdtm_EXEC_KMALLOC+0x38/0x44) [ 115.870841] r7:c6979f60 r6:0000000d r5:c6a18000 r4:c5a52600 [ 115.876517] [] (lkdtm_EXEC_KMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) [ 115.884876] r5:c6a18000 r4:00000021 [ 115.888467] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 115.896491] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 115.904419] r9:c6979f60 r8:c538f000 r7:0000000d r6:b6eb1000 r5:c5a6bb80 r4:c0c2d4e8 [ 115.912181] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 115.920023] r9:c07f4a6c r8:c6979f60 r7:c2816000 r6:b6eb1000 r5:c5a6bb80 r4:00000000 [ 115.927780] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 115.934926] r10:00000004 r9:00000000 r8:00000000 r7:b6eb1000 r6:c6978000 r5:c5a6bb80 [ 115.942762] r4:c5a6bb80 [ 115.945311] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 115.952457] r9:c6978000 r8:c03002e4 r7:00000004 r6:b6ff8e00 r5:0000000d r4:0000000d [ 115.960217] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 115.967792] Exception stack(0xc6979fa8 to 0xc6979ff0) [ 115.972854] 9fa0: 0000000d 0000000d 00000001 b6eb1000 0000000d 00000000 [ 115.981043] 9fc0: 0000000d 0000000d b6ff8e00 00000004 00000001 00000000 00020000 bef24a54 [ 115.989230] 9fe0: 00000004 bef24788 b6f6694f b6eecc66 [ 115.994296] Code: efee6be0 efee3e80 efee3ea0 efee3ec0 (e1a0c00d) [ 116.000405] ---[ end trace dca5c33b5d5179ac ]--- # Segmentation fault # [ 115.595135] lkdtm: Performing direct entry EXEC_KMALLOC # [ 115.600463] lkdtm: attempting ok execution at c0c2de78 # [ 115.605618] lkdtm: attempting bad execution at c5a52600 # [ 115.610910] 8<--- cut here --- # [ 115.613974] Unable to handle kernel paging request at virtual address c5a52600 # [ 115.621208] pgd = 611f32fd # [ 115.623924] [c5a52600] *pgd=15a1141e(bad) # [ 115.627961] Internal error: Oops: 8000000d [#5] SMP ARM # [ 115.633196] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm phy_generic snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 115.662268] CPU: 1 PID: 1931 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 115.670018] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 115.676559] PC is at 0xc5a52600 # [ 115.679717] LR is at execute_location+0xa4/0xb4 # [ 115.684257] pc : [] lr : [] psr: 600e0013 # [ 115.690534] sp : c6979e30 ip : c6979d38 fp : c6979e4c # [ 115.695765] r10: 0000000d r9 : c1acf814 r8 : c15e7d40 # [ 115.700997] r7 : c6979f60 r6 : 00000001 r5 : c5a52600 r4 : c0c2de78 # [ 115.707532] r3 : cbac1ebd r2 : cbac1ebd r1 : ef7965e0 r0 : 0000002b # [ 115.714068] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 115.721212] Control: 10c5387d Table: 1474804a DAC: 00000051 # [ 115.726966] Process cat (pid: 1931, stack limit = 0xd30599de) # [ 115.732721] Stack: (0xc6979e30 to 0xc697a000) # [ 115.737089] 9e20: c5a52600 c6a18000 0000000d c6979f60 # [ 115.745279] 9e40: c6979e64 c6979e50 c0c2dec8 c13892b8 00000021 c6a18000 c6979e74 c6979e68 # [ 115.753469] 9e60: c0c2d108 c0c2de9c c6979e9c c6979e78 c0c2d608 c0c2d0e8 c0c2d4e8 c5a6bb80 # [ 115.761658] 9e80: b6eb1000 0000000d c538f000 c6979f60 c6979ec4 c6979ea0 c07f4ad0 c0c2d4f4 # [ 115.769846] 9ea0: 00000000 c5a6bb80 b6eb1000 c2816000 c6979f60 c07f4a6c c6979f5c c6979ec8 # [ 115.778035] 9ec0: c0598198 c07f4a78 00000001 00000000 c059872c c139ead8 c059872c c6978000 # [ 115.786225] 9ee0: b6eb1000 00020000 00000004 0000000d 0001fff3 c6979ee0 00000001 b6eb0000 # [ 115.794413] 9f00: c5abaf00 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 115.802601] 9f20: 00000000 00000000 c139ead8 cbac1ebd c205ca60 c5a6bb80 c5a6bb80 c6978000 # [ 115.810789] 9f40: b6eb1000 00000000 00000000 00000004 c6979f94 c6979f60 c059872c c0598098 # [ 115.818977] 9f60: 00000000 00000000 c6979fac cbac1ebd 0000000d 0000000d b6ff8e00 00000004 # [ 115.827165] 9f80: c03002e4 c6978000 c6979fa4 c6979f98 c05987bc c05986c4 00000000 c6979fa8 # [ 115.835352] 9fa0: c03000c0 c05987b0 0000000d 0000000d 00000001 b6eb1000 0000000d 00000000 # [ 115.843542] 9fc0: 0000000d 0000000d b6ff8e00 00000004 00000001 00000000 00020000 bef24a54 # [ 115.851730] 9fe0: 00000004 bef24788 b6f6694f b6eecc66 800e0030 00000001 00000000 00000000 # [ 115.859911] Backtrace: # [ 115.862389] [] (execute_location) from [] (lkdtm_EXEC_KMALLOC+0x38/0x44) # [ 115.870841] r7:c6979f60 r6:0000000d r5:c6a18000 r4:c5a52600 # [ 115.876517] [] (lkdtm_EXEC_KMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) # [ 115.884876] r5:c6a18000 r4:00000021 # [ 115.888467] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 115.896491] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 115.904419] r9:c6979f60 r8:c538f000 r7:0000000d r6:b6eb1000 r5:c5a6bb80 r4:c0c2d4e8 # [ 115.912181] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 115.920023] r9:c07f4a6c r8:c6979f60 r7:c2816000 r6:b6eb1000 r5:c5a6bb80 r4:00000000 # [ 115.927780] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 115.934926] r10:00000004 r9:00000000 r8:00000000 r7:b6eb1000 r6:c6978000 r5:c5a6bb80 # [ 115.942762] r4:c5a6bb80 # [ 115.945311] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 115.952457] r9:c6978000 r8:c03002e4 r7:00000004 r6:b6ff8e00 r5:0000000d r4:0000000d # [ 115.960217] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 115.967792] Exception stack(0xc6979fa8 to 0xc6979ff0) # [ 115.972854] 9fa0: 0000000d 0000000d 00000001 b6eb1000 0000000d 00000000 # [ 115.981043] 9fc0: 0000000d 0000000d b6ff8e00 00000004 00000001 00000000 00020000 bef24a54 # [ 115.989230] 9fe0: 00000004 bef24788 b6f6694f b6eecc66 # [ 115.994296] Code: efee6be0 efee3e80 efee3ea0 efee3ec0 (e1a0c00d) # [ 116.000405] ---[ end trace dca5c33b5d5179ac ]--- # EXEC_KMALLOC: missing 'call trace:': [FAIL] not ok 32 selftests: lkdtm: EXEC_KMALLOC.sh # exit=1 # selftests: lkdtm: EXEC_VMALLOC.sh [ 116.577528] lkdtm: Performing direct entry EXEC_VMALLOC [ 116.582862] lkdtm: attempting ok execution at c0c2de78 [ 116.588020] lkdtm: attempting bad execution at f096c000 [ 116.593360] 8<--- cut here --- [ 116.596431] Unable to handle kernel paging request at virtual address f096c000 [ 116.603718] pgd = 6710df36 [ 116.606442] [f096c000] *pgd=1294b811, *pte=4b93e65f, *ppte=4b93e45f [ 116.612828] Internal error: Oops: 8000000f [#6] SMP ARM [ 116.618069] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm phy_generic snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 [ 116.647124] CPU: 1 PID: 2008 Comm: cat Tainted: G D W 5.10.131-cip13 #1 [ 116.654876] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 116.661417] PC is at 0xf096c000 [ 116.664578] LR is at execute_location+0xa4/0xb4 [ 116.669117] pc : [] lr : [] psr: 600e0013 [ 116.675393] sp : c6e1de30 ip : c6e1dd38 fp : c6e1de4c [ 116.680626] r10: 0000000d r9 : c1acf824 r8 : c15e7d40 [ 116.685862] r7 : c6e1df60 r6 : 00000001 r5 : f096c000 r4 : c0c2de78 [ 116.692397] r3 : f72f661c r2 : f72f661c r1 : ef7965e0 r0 : 0000002b [ 116.698934] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 116.706079] Control: 10c5387d Table: 16e3804a DAC: 00000051 [ 116.711835] Process cat (pid: 2008, stack limit = 0xb72e2ecf) [ 116.717590] Stack: (0xc6e1de30 to 0xc6e1e000) [ 116.721958] de20: f096c000 c6a18000 0000000d c6e1df60 [ 116.730148] de40: c6e1de64 c6e1de50 c0c2defc c13892b8 00000022 c6a18000 c6e1de74 c6e1de68 [ 116.738338] de60: c0c2d108 c0c2dee0 c6e1de9c c6e1de78 c0c2d608 c0c2d0e8 c0c2d4e8 c5b41a40 [ 116.746527] de80: b6e1a000 0000000d c538f000 c6e1df60 c6e1dec4 c6e1dea0 c07f4ad0 c0c2d4f4 [ 116.754717] dea0: 00000000 c5b41a40 b6e1a000 c2816000 c6e1df60 c07f4a6c c6e1df5c c6e1dec8 [ 116.762908] dec0: c0598198 c07f4a78 00000001 00000000 c059872c c139ead8 c059872c c6e1c000 [ 116.771096] dee0: b6e1a000 00020000 00000004 0000000d 0001fff3 c6e1dee0 00000001 b6e19000 [ 116.779285] df00: c5b71680 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 116.787474] df20: 00000000 00000000 c139ead8 f72f661c c205ca60 c5b41a40 c5b41a40 c6e1c000 [ 116.795662] df40: b6e1a000 00000000 00000000 00000004 c6e1df94 c6e1df60 c059872c c0598098 [ 116.803852] df60: 00000000 00000000 c6e1dfac f72f661c 0000000d 0000000d b6f61e00 00000004 [ 116.812041] df80: c03002e4 c6e1c000 c6e1dfa4 c6e1df98 c05987bc c05986c4 00000000 c6e1dfa8 [ 116.820229] dfa0: c03000c0 c05987b0 0000000d 0000000d 00000001 b6e1a000 0000000d 00000000 [ 116.828418] dfc0: 0000000d 0000000d b6f61e00 00000004 00000001 00000000 00020000 bede1a54 [ 116.836606] dfe0: 00000004 bede1788 b6ecf94f b6e55c66 800e0030 00000001 00000000 00000000 [ 116.844788] Backtrace: [ 116.847268] [] (execute_location) from [] (lkdtm_EXEC_VMALLOC+0x28/0x34) [ 116.855718] r7:c6e1df60 r6:0000000d r5:c6a18000 r4:f096c000 [ 116.861396] [] (lkdtm_EXEC_VMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) [ 116.869754] r5:c6a18000 r4:00000022 [ 116.873347] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 116.881372] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 116.889302] r9:c6e1df60 r8:c538f000 r7:0000000d r6:b6e1a000 r5:c5b41a40 r4:c0c2d4e8 [ 116.897062] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 116.904906] r9:c07f4a6c r8:c6e1df60 r7:c2816000 r6:b6e1a000 r5:c5b41a40 r4:00000000 [ 116.912663] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 116.919812] r10:00000004 r9:00000000 r8:00000000 r7:b6e1a000 r6:c6e1c000 r5:c5b41a40 [ 116.927648] r4:c5b41a40 [ 116.930197] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 116.937343] r9:c6e1c000 r8:c03002e4 r7:00000004 r6:b6f61e00 r5:0000000d r4:0000000d [ 116.945102] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 116.952678] Exception stack(0xc6e1dfa8 to 0xc6e1dff0) [ 116.957740] dfa0: 0000000d 0000000d 00000001 b6e1a000 0000000d 00000000 [ 116.965929] dfc0: 0000000d 0000000d b6f61e00 00000004 00000001 00000000 00020000 bede1a54 [ 116.974114] dfe0: 00000004 bede1788 b6ecf94f b6e55c66 [ 116.979183] Code: bad PC value [ 116.982334] ---[ end trace dca5c33b5d5179ad ]--- # Segmentation fault # [ 116.577528] lkdtm: Performing direct entry EXEC_VMALLOC # [ 116.582862] lkdtm: attempting ok execution at c0c2de78 # [ 116.588020] lkdtm: attempting bad execution at f096c000 # [ 116.593360] 8<--- cut here --- # [ 116.596431] Unable to handle kernel paging request at virtual address f096c000 # [ 116.603718] pgd = 6710df36 # [ 116.606442] [f096c000] *pgd=1294b811, *pte=4b93e65f, *ppte=4b93e45f # [ 116.612828] Internal error: Oops: 8000000f [#6] SMP ARM # [ 116.618069] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm phy_generic snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 116.647124] CPU: 1 PID: 2008 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 116.654876] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 116.661417] PC is at 0xf096c000 # [ 116.664578] LR is at execute_location+0xa4/0xb4 # [ 116.669117] pc : [] lr : [] psr: 600e0013 # [ 116.675393] sp : c6e1de30 ip : c6e1dd38 fp : c6e1de4c # [ 116.680626] r10: 0000000d r9 : c1acf824 r8 : c15e7d40 # [ 116.685862] r7 : c6e1df60 r6 : 00000001 r5 : f096c000 r4 : c0c2de78 # [ 116.692397] r3 : f72f661c r2 : f72f661c r1 : ef7965e0 r0 : 0000002b # [ 116.698934] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 116.706079] Control: 10c5387d Table: 16e3804a DAC: 00000051 # [ 116.711835] Process cat (pid: 2008, stack limit = 0xb72e2ecf) # [ 116.717590] Stack: (0xc6e1de30 to 0xc6e1e000) # [ 116.721958] de20: f096c000 c6a18000 0000000d c6e1df60 # [ 116.730148] de40: c6e1de64 c6e1de50 c0c2defc c13892b8 00000022 c6a18000 c6e1de74 c6e1de68 # [ 116.738338] de60: c0c2d108 c0c2dee0 c6e1de9c c6e1de78 c0c2d608 c0c2d0e8 c0c2d4e8 c5b41a40 # [ 116.746527] de80: b6e1a000 0000000d c538f000 c6e1df60 c6e1dec4 c6e1dea0 c07f4ad0 c0c2d4f4 # [ 116.754717] dea0: 00000000 c5b41a40 b6e1a000 c2816000 c6e1df60 c07f4a6c c6e1df5c c6e1dec8 # [ 116.762908] dec0: c0598198 c07f4a78 00000001 00000000 c059872c c139ead8 c059872c c6e1c000 # [ 116.771096] dee0: b6e1a000 00020000 00000004 0000000d 0001fff3 c6e1dee0 00000001 b6e19000 # [ 116.779285] df00: c5b71680 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 116.787474] df20: 00000000 00000000 c139ead8 f72f661c c205ca60 c5b41a40 c5b41a40 c6e1c000 # [ 116.795662] df40: b6e1a000 00000000 00000000 00000004 c6e1df94 c6e1df60 c059872c c0598098 # [ 116.803852] df60: 00000000 00000000 c6e1dfac f72f661c 0000000d 0000000d b6f61e00 00000004 # [ 116.812041] df80: c03002e4 c6e1c000 c6e1dfa4 c6e1df98 c05987bc c05986c4 00000000 c6e1dfa8 # [ 116.820229] dfa0: c03000c0 c05987b0 0000000d 0000000d 00000001 b6e1a000 0000000d 00000000 # [ 116.828418] dfc0: 0000000d 0000000d b6f61e00 00000004 00000001 00000000 00020000 bede1a54 # [ 116.836606] dfe0: 00000004 bede1788 b6ecf94f b6e55c66 800e0030 00000001 00000000 00000000 # [ 116.844788] Backtrace: # [ 116.847268] [] (execute_location) from [] (lkdtm_EXEC_VMALLOC+0x28/0x34) # [ 116.855718] r7:c6e1df60 r6:0000000d r5:c6a18000 r4:f096c000 # [ 116.861396] [] (lkdtm_EXEC_VMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) # [ 116.869754] r5:c6a18000 r4:00000022 # [ 116.873347] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 116.881372] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 116.889302] r9:c6e1df60 r8:c538f000 r7:0000000d r6:b6e1a000 r5:c5b41a40 r4:c0c2d4e8 # [ 116.897062] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 116.904906] r9:c07f4a6c r8:c6e1df60 r7:c2816000 r6:b6e1a000 r5:c5b41a40 r4:00000000 # [ 116.912663] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 116.919812] r10:00000004 r9:00000000 r8:00000000 r7:b6e1a000 r6:c6e1c000 r5:c5b41a40 # [ 116.927648] r4:c5b41a40 # [ 116.930197] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 116.937343] r9:c6e1c000 r8:c03002e4 r7:00000004 r6:b6f61e00 r5:0000000d r4:0000000d # [ 116.945102] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 116.952678] Exception stack(0xc6e1dfa8 to 0xc6e1dff0) # [ 116.957740] dfa0: 0000000d 0000000d 00000001 b6e1a000 0000000d 00000000 # [ 116.965929] [ 117.496290] lkdtm: Performing direct entry EXEC_RODATA dfc0: 0000000d 0000000d b6f61e00 [ 117.503107] lkdtm: attempting ok execution at c0c2de78 00000004 00000001 00000000 000200[ 117.511070] lkdtm: attempting bad execution at c15e7fdc 00 bede1a54 # [ 116.974114] dfe[ 117.519145] 8<--- cut here --- 0: 00000004 bede1788[ b 61e1c7f.525024] Unable to handle kernel paging request at virtual address c15e7fdc 4f b6e55c66 # [[ 111167..95734504] pgd = 2b814fab 183] Code: bad PC value # [ 116 117.539293] [c15e7fdc] *pgd=1141941e(bad) .982334] ---[ end trace [d c a1517.546085] Internal error: Oops: 8000000d [#7] SMP ARM 33b5d5179ad ]--- # EXEC_VMALLOC:[ 117.553733] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm phy_generic snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 missing 'call trace:': [[ F A1I17.585437] CPU: 3 PID: 2085 Comm: cat Tainted: G D W 5.10.131-cip13 #1 ] not ok 33[ s e1l1f7t.e5s9t5s603] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) lkdtm: EXEC_VMALLOC.sh # exit=1[ 117.604053] PC is at lkdtm_rodata_do_nothing+0x0/0x10 # selftests: lkdtm: [E X E1C1_7R611958] LR is at execute_location+0xa4/0xb4 ODATA.sh [ 117.618740] pc : [] lr : [] psr: 600e0013 [ 117.625870] sp : c477be38 ip : c477bd40 fp : c477be54 [ 117.631102] r10: 0000000c r9 : c1acf834 r8 : c15e7d40 [ 117.636335] r7 : c477bf60 r6 : 00000000 r5 : c15e7fdc r4 : c0c2de78 [ 117.642870] r3 : 67d73b4e r2 : 67d73b4e r1 : ef7c05e0 r0 : 0000002b [ 117.649407] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 117.656551] Control: 10c5387d Table: 16f0c04a DAC: 00000051 [ 117.662305] Process cat (pid: 2085, stack limit = 0xb1ed76f4) [ 117.668060] Stack: (0xc477be38 to 0xc477c000) [ 117.672430] be20: 00000023 c59ef000 [ 117.680623] be40: 0000000c c477bf60 c477be64 c477be58 c1389538 c13892b8 c477be74 c477be68 [ 117.688812] be60: c0c2d108 c1389520 c477be9c c477be78 c0c2d608 c0c2d0e8 c0c2d4e8 c6a3d040 [ 117.697001] be80: b6e15000 0000000c c538f000 c477bf60 c477bec4 c477bea0 c07f4ad0 c0c2d4f4 [ 117.705190] bea0: 00000000 c6a3d040 b6e15000 c2816000 c477bf60 c07f4a6c c477bf5c c477bec8 [ 117.713381] bec0: c0598198 c07f4a78 00000001 00000000 c059872c c139ead8 c059872c c477a000 [ 117.721569] bee0: b6e15000 00020000 00000004 0000000c 0001fff4 c477bee0 00000001 b6e14000 [ 117.729758] bf00: c5b41180 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 117.737949] bf20: 00000000 00000000 c139ead8 67d73b4e c205ca60 c6a3d040 c6a3d040 c477a000 [ 117.746137] bf40: b6e15000 00000000 00000000 00000004 c477bf94 c477bf60 c059872c c0598098 [ 117.754326] bf60: 00000000 00000000 c477bfac 67d73b4e 0000000c 0000000c b6f5ce00 00000004 [ 117.762515] bf80: c03002e4 c477a000 c477bfa4 c477bf98 c05987bc c05986c4 00000000 c477bfa8 [ 117.770705] bfa0: c03000c0 c05987b0 0000000c 0000000c 00000001 b6e15000 0000000c 00000000 [ 117.778895] bfc0: 0000000c 0000000c b6f5ce00 00000004 00000001 00000000 00020000 bec2ba54 [ 117.787083] bfe0: 00000004 bec2b788 b6eca94f b6e50c66 800e0030 00000001 00000000 00000000 [ 117.795267] Backtrace: [ 117.797738] [] (execute_location) from [] (lkdtm_EXEC_RODATA+0x24/0x28) [ 117.806103] r7:c477bf60 r6:0000000c r5:c59ef000 r4:00000023 [ 117.811785] [] (lkdtm_EXEC_RODATA) from [] (lkdtm_do_action+0x2c/0x4c) [ 117.820065] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 117.828087] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 117.836016] r9:c477bf60 r8:c538f000 r7:0000000c r6:b6e15000 r5:c6a3d040 r4:c0c2d4e8 [ 117.843778] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 117.851620] r9:c07f4a6c r8:c477bf60 r7:c2816000 r6:b6e15000 r5:c6a3d040 r4:00000000 [ 117.859378] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 117.866527] r10:00000004 r9:00000000 r8:00000000 r7:b6e15000 r6:c477a000 r5:c6a3d040 [ 117.874363] r4:c6a3d040 [ 117.876911] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 117.884060] r9:c477a000 r8:c03002e4 r7:00000004 r6:b6f5ce00 r5:0000000c r4:0000000c [ 117.891820] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 117.899398] Exception stack(0xc477bfa8 to 0xc477bff0) [ 117.904462] bfa0: 0000000c 0000000c 00000001 b6e15000 0000000c 00000000 [ 117.912651] bfc0: 0000000c 0000000c b6f5ce00 00000004 00000001 00000000 00020000 bec2ba54 [ 117.920837] bfe0: 00000004 bec2b788 b6eca94f b6e50c66 [ 117.925905] Code: 5f727563 6e756f63 00000074 aa55aa55 (e1a0c00d) [ 117.932013] ---[ end trace dca5c33b5d5179ae ]--- # Segmentation fault # [ 117.496290] lkdtm: Performing direct entry EXEC_RODATA # [ 117.503107] lkdtm: attempting ok execution at c0c2de78 # [ 117.511070] lkdtm: attempting bad execution at c15e7fdc # [ 117.519145] 8<--- cut here --- # [ 117.525024] Unable to handle kernel paging request at virtual address c15e7fdc # [ 117.534504] pgd = 2b814fab # [ 117.539293] [c15e7fdc] *pgd=1141941e(bad) # [ 117.546085] Internal error: Oops: 8000000d [#7] SMP ARM # [ 117.553733] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm phy_generic snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 117.585437] CPU: 3 PID: 2085 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 117.595603] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 117.604053] PC is at lkdtm_rodata_do_nothing+0x0/0x10 # [ 117.611958] LR is at execute_location+0xa4/0xb4 # [ 117.618740] pc : [] lr : [] psr: 600e0013 # [ 117.625870] sp : c477be38 ip : c477bd40 fp : c477be54 # [ 117.631102] r10: 0000000c r9 : c1acf834 r8 : c15e7d40 # [ 117.636335] r7 : c477bf60 r6 : 00000000 r5 : c15e7fdc r4 : c0c2de78 # [ 117.642870] r3 : 67d73b4e r2 : 67d73b4e r1 : ef7c05e0 r0 : 0000002b # [ 117.649407] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 117.656551] Control: 10c5387d Table: 16f0c04a DAC: 00000051 # [ 117.662305] Process cat (pid: 2085, stack limit = 0xb1ed76f4) # [ 117.668060] Stack: (0xc477be38 to 0xc477c000) # [ 117.672430] be20: 00000023 c59ef000 # [ 117.680623] be40: 0000000c c477bf60 c477be64 c477be58 c1389538 c13892b8 c477be74 c477be68 # [ 117.688812] be60: c0c2d108 c1389520 c477be9c c477be78 c0c2d608 c0c2d0e8 c0c2d4e8 c6a3d040 # [ 117.697001] be80: b6e15000 0000000c c538f000 c477bf60 c477bec4 c477bea0 c07f4ad0 c0c2d4f4 # [ 117.705190] bea0: 00000000 c6a3d040 b6e15000 c2816000 c477bf60 c07f4a6c c477bf5c c477bec8 # [ 117.713381] bec0: c0598198 c07f4a78 00000001 00000000 c059872c c139ead8 c059872c c477a000 # [ 117.721569] bee0: b6e15000 00020000 00000004 0000000c 0001fff4 c477bee0 00000001 b6e14000 # [ 117.729758] bf00: c5b41180 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 117.737949] bf20: 00000000 00000000 c139ead8 67d73b4e c205ca60 c6a3d040 c6a3d040 c477a000 # [ 117.746137] bf40: b6e15000 00000000 00000000 00000004 c477bf94 c477bf60 c059872c c0598098 # [ 117.754326] bf60: 00000000 00000000 c477bfac 67d73b4e 0000000c 0000000c b6f5ce00 00000004 # [ 117.762515] bf80: c03002e4 c477a000 c477bfa4 c477bf98 c05987bc c05986c4 00000000 c477bfa8 # [ 117.770705] bfa0: c03000c0 c05987b0 0000000c 0000000c 00000001 b6e15000 0000000c 00000000 # [ 117.778895] bfc0: 0000000c 0000000c b6f5ce00 00000004 00000001 00000000 00020000 bec2ba54 # [ 117.787083] bfe0: 00000004 bec2b788 b6eca94f b6e50c66 800e0030 00000001 00000000 00000000 # [ 117.795267] Backtrace: # [ 117.797738] [] (execute_location) from [] (lkdtm_EXEC_RODATA+0x24/0x28) # [ 117.806103] r7:c477bf60 r6:0000000c r5:c59ef000 r4:00000023 # [ 117.811785] [] (lkdtm_EXEC_RODATA) from [] (lkdtm_do_action+0x2c/0x4c) # [ 117.820065] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 117.828087] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 117.836016] r9:c477bf60 r8:c538f000 r7:0000000c r6:b6e15000 r5:c6a3d040 r4:c0c2d4e8 # [ 117.843778] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 117.851620] r9:c07f4a6c r8:c477bf60 r7:c2816000 r6:b6e15000 r5:c6a3d040 r4:00000000 # [ 117.859378] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 117.866527] r10:00000004 r9:00000000 r8:00000000 r7:b6e15000 r6:c477a000 r5:c6a3d040 # [ 117.874363] r4:c6a3d040 # [ 117.876911] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 117.884060] r9:c477a000 r8:c03002e4 r7:00000004 r6:b6f5ce00 r5:0000000c r4:0000000c # [ 117.891820] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 117.899398] Exception stack(0xc477bfa8 to 0xc477bff0) # [ 117.904462] bfa0: 0000000c 0000000c 00000001 b6e15000 0000000c 00000000 # [ 117.912651] bfc0: 0000000c 0000000c b6f5ce00 00000004 00000001 00000000 00020000 bec2ba54 # [ 117.920837] bfe0: 00000004 bec2b788 b6eca94f b6e50c66 # [ 117.925905] Code: 5f727563 6e756f63 00000074 aa55aa55 (e1a0c00d) # [ 117.932013] ---[ end trace dca5c33b5d5179ae ]--- # EXEC_RODATA: missing 'call trace:': [FAIL] not ok 34 selftests: lkdtm: EXEC_RODATA.sh # exit=1 # selftests: lkdtm: EXEC_USERSPACE.sh [ 118.465820] lkdtm: Performing direct entry EXEC_USERSPACE [ 118.471433] lkdtm: attempting ok execution at c0c2de78 [ 118.476811] lkdtm: attempting bad execution at b6f98000 [ 118.482210] Unhandled prefetch abort: page domain fault (0x00b) at 0xb6f98000 [ 118.489386] Internal error: : b [#8] SMP ARM [ 118.493678] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm phy_generic snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 [ 118.522732] CPU: 3 PID: 2161 Comm: cat Tainted: G D W 5.10.131-cip13 #1 [ 118.530484] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 118.537026] PC is at 0xb6f98000 [ 118.540190] LR is at lkdtm_EXEC_USERSPACE+0xc4/0xd4 [ 118.545078] pc : [] lr : [] psr: 600e0013 [ 118.551353] sp : c6c9be48 ip : c6c9bd50 fp : c6c9be64 [ 118.556585] r10: 0000000f r9 : c1acf840 r8 : c15e7d40 [ 118.561817] r7 : c6c9bf60 r6 : 0000000f r5 : c6b06000 r4 : b6f98000 [ 118.568351] r3 : 8484861d r2 : 8484861d r1 : ef7c05e0 r0 : 0000002b [ 118.574888] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 118.582032] Control: 10c5387d Table: 16b5004a DAC: 00000051 [ 118.587788] Process cat (pid: 2161, stack limit = 0xeaf189ce) [ 118.593544] Stack: (0xc6c9be48 to 0xc6c9c000) [ 118.597916] be40: 00000001 00000000 0000000f 00000024 c6c9be74 c6c9be68 [ 118.606107] be60: c0c2d108 c0c2df14 c6c9be9c c6c9be78 c0c2d608 c0c2d0e8 c0c2d4e8 c5a32500 [ 118.614296] be80: b6e52000 0000000f c538f000 c6c9bf60 c6c9bec4 c6c9bea0 c07f4ad0 c0c2d4f4 [ 118.622487] bea0: 00000000 c5a32500 b6e52000 c2816000 c6c9bf60 c07f4a6c c6c9bf5c c6c9bec8 [ 118.630677] bec0: c0598198 c07f4a78 00000001 00000000 c059872c c139ead8 c059872c c6c9a000 [ 118.638866] bee0: b6e52000 00020000 00000004 0000000f 0001fff1 c6c9bee0 00000001 b6e51000 [ 118.647055] bf00: c5b41180 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 118.655244] bf20: 00000000 00000000 c139ead8 8484861d c205ca60 c5a32500 c5a32500 c6c9a000 [ 118.663433] bf40: b6e52000 00000000 00000000 00000004 c6c9bf94 c6c9bf60 c059872c c0598098 [ 118.671621] bf60: 00000000 00000000 c6c9bfac 8484861d 0000000f 0000000f b6f99e00 00000004 [ 118.679811] bf80: c03002e4 c6c9a000 c6c9bfa4 c6c9bf98 c05987bc c05986c4 00000000 c6c9bfa8 [ 118.687999] bfa0: c03000c0 c05987b0 0000000f 0000000f 00000001 b6e52000 0000000f 00000000 [ 118.696190] bfc0: 0000000f 0000000f b6f99e00 00000004 00000001 00000000 00020000 bed17a54 [ 118.704378] bfe0: 00000004 bed17788 b6f0794f b6e8dc66 800e0030 00000001 00000000 00000000 [ 118.712560] Backtrace: [ 118.715035] [] (lkdtm_EXEC_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) [ 118.723570] r4:00000024 [ 118.726122] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 118.734145] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 118.742076] r9:c6c9bf60 r8:c538f000 r7:0000000f r6:b6e52000 r5:c5a32500 r4:c0c2d4e8 [ 118.749838] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 118.757680] r9:c07f4a6c r8:c6c9bf60 r7:c2816000 r6:b6e52000 r5:c5a32500 r4:00000000 [ 118.765436] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 118.772584] r10:00000004 r9:00000000 r8:00000000 r7:b6e52000 r6:c6c9a000 r5:c5a32500 [ 118.780422] r4:c5a32500 [ 118.782970] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 118.790117] r9:c6c9a000 r8:c03002e4 r7:00000004 r6:b6f99e00 r5:0000000f r4:0000000f [ 118.797876] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 118.805454] Exception stack(0xc6c9bfa8 to 0xc6c9bff0) [ 118.810519] bfa0: 0000000f 0000000f 00000001 b6e52000 0000000f 00000000 [ 118.818708] bfc0: 0000000f 0000000f b6f99e00 00000004 00000001 00000000 00020000 bed17a54 [ 118.826895] bfe0: 00000004 bed17788 b6f0794f b6e8dc66 [ 118.831963] Code: bad PC value [ 118.835033] ---[ end trace dca5c33b5d5179af ]--- # Segmentation fault # [ 118.465820] lkdtm: Performing direct entry EXEC_USERSPACE # [ 118.471433] lkdtm: attempting ok execution at c0c2de78 # [ 118.476811] lkdtm: attempting bad execution at b6f98000 # [ 118.482210] Unhandled prefetch abort: page domain fault (0x00b) at 0xb6f98000 # [ 118.489386] Internal error: : b [#8] SMP ARM # [ 118.493678] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm phy_generic snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 118.522732] CPU: 3 PID: 2161 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 118.530484] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 118.537026] PC is at 0xb6f98000 # [ 118.540190] LR is at lkdtm_EXEC_USERSPACE+0xc4/0xd4 # [ 118.545078] pc : [] lr : [] psr: 600e0013 # [ 118.551353] sp : c6c9be48 ip : c6c9bd50 fp : c6c9be64 # [ 118.556585] r10: 0000000f r9 : c1acf840 r8 : c15e7d40 # [ 118.561817] r7 : c6c9bf60 r6 : 0000000f r5 : c6b06000 r4 : b6f98000 # [ 118.568351] r3 : 8484861d r2 : 8484861d r1 : ef7c05e0 r0 : 0000002b # [ 118.574888] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 118.582032] Control: 10c5387d Table: 16b5004a DAC: 00000051 # [ 118.587788] Process cat (pid: 2161, stack limit = 0xeaf189ce) # [ 118.593544] Stack: (0xc6c9be48 to 0xc6c9c000) # [ 118.597916] be40: 00000001 00000000 0000000f 00000024 c6c9be74 c6c9be68 # [ 118.606107] be60: c0c2d108 c0c2df14 c6c9be9c c6c9be78 c0c2d608 c0c2d0e8 c0c2d4e8 c5a32500 # [ 118.614296] be80: b6e52000 0000000f c538f000 c6c9bf60 c6c9bec4 c6c9bea0 c07f4ad0 c0c2d4f4 # [ 118.622487] bea0: 00000000 c5a32500 b6e52000 c2816000 c6c9bf60 c07f4a6c c6c9bf5c c6c9bec8 # [ 118.630677] bec0: c0598198 c07f4a78 00000001 00000000 c059872c c139ead8 c059872c c6c9a000 # [ 118.638866] bee0: b6e52000 00020000 00000004 0000000f 0001fff1 c6c9bee0 00000001 b6e51000 # [ 118.647055] bf00: c5b41180 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 118.655244] bf20: 00000000 00000000 c139ead8 8484861d c205ca60 c5a32500 c5a32500 c6c9a000 # [ 118.663433] bf40: b6e52000 00000000 00000000 00000004 c6c9bf94 c6c9bf60 c059872c c0598098 # [ 118.671621] bf60: 00000000 00000000 c6c9bfac 8484861d 0000000f 0000000f b6f99e00 00000004 # [ 118.679811] bf80: c03002e4 c6c9a000 c6c9bfa4 c6c9bf98 c05987bc c05986c4 00000000 c6c9bfa8 # [ 118.687999] bfa0: c03000c0 c05987b0 0000000f 0000000f 00000001 b6e52000 0000000f 00000000 # [ 118.696190] bfc0: 0000000f 0000000f b6f99e00 00000004 00000001 00000000 00020000 bed17a54 # [ 118.704378] bfe0: 00000004 bed17788 b6f0794f b6e8dc66 800e0030 00000001 00000000 00000000 # [ 118.712560] Backtrace: # [ 118.715035] [] (lkdtm_EXEC_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 118.723570] r4:00000024 # [ 118.726122] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 118.734145] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 118.742076] r9:c6c9bf60 r8:c538f000 r7:0000000f r6:b6e52000 r5:c5a32500 r4:c0c2d4e8 # [ 118.749838] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 118.757680] r9:c07f4a6c r8:c6c9bf60 r7:c2816000 r6:b6e52000 r5:c5a32500 r4:00000000 # [ 118.765436] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 118.772584] r10:00000004 r9:00000000 r8:00000000 r7:b6e52000 r6:c6c9a000 r5:c5a32500 # [ 118.780422] r4:c5a32500 # [ 118.782970] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 118.790117] r9:c6c9a000 r8:c03002e4 r7:00000004 r6:b6f99e00 r5:0000000f r4:0000000f # [ 118.797876] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 118.805454] Exception stack(0xc6c9bfa8 to 0xc6c9bff0) # [ 118.810519] bfa0: 0000000f 0000000f 00000001 b6e52000 0000000f 00000000 # [ 118.818708] bfc0: 0000000f 0000000f b6f99e00 00000004 00000001 00000000 00020000 bed17a54 # [ 118.826895] bfe0: 00000004 bed17788 b6f0794f b6e8dc66 # [ 118.831963] Code: bad PC value # [ 118.835033] ---[ end trace dca5c33b5d5179af ]--- # EXEC_USERSPACE: missing 'call trace:': [FAIL] not ok 35 selftests: lkdtm: EXEC_USERSPACE.sh # exit=1 # selftests: lkdtm: EXEC_NULL.sh [ 119.369443] lkdtm: Performing direct entry EXEC_NULL [ 119.374436] lkdtm: attempting ok execution at c0c2de78 [ 119.379672] lkdtm: attempting bad execution at 00000000 [ 119.384922] 8<--- cut here --- [ 119.387991] Unable to handle kernel NULL pointer dereference at virtual address 00000000 [ 119.396170] pgd = efb6e65a [ 119.398948] [00000000] *pgd=00000000 [ 119.402589] Internal error: Oops: 80000005 [#9] SMP ARM [ 119.407829] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm phy_generic snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 [ 119.436900] CPU: 3 PID: 2232 Comm: cat Tainted: G D W 5.10.131-cip13 #1 [ 119.444652] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 119.451195] PC is at 0x0 [ 119.453747] LR is at execute_location+0xa4/0xb4 [ 119.458285] pc : [<00000000>] lr : [] psr: 600e0013 [ 119.464562] sp : c5efde38 ip : 00000027 fp : c5efde54 [ 119.469796] r10: 0000000a r9 : c1acf850 r8 : c15e7d40 [ 119.475028] r7 : c5efdf60 r6 : 00000000 r5 : 00000000 r4 : c0c2de78 [ 119.481563] r3 : c06ade3b r2 : c06ade3b r1 : ef7c05e4 r0 : 0000002b [ 119.488101] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 119.495245] Control: 10c5387d Table: 16ed404a DAC: 00000051 [ 119.501000] Process cat (pid: 2232, stack limit = 0x7d6a6cae) [ 119.506755] Stack: (0xc5efde38 to 0xc5efe000) [ 119.511124] de20: 00000025 c6c09000 [ 119.519317] de40: 0000000a c5efdf60 c5efde64 c5efde58 c138955c c13892b8 c5efde74 c5efde68 [ 119.527507] de60: c0c2d108 c1389548 c5efde9c c5efde78 c0c2d608 c0c2d0e8 c0c2d4e8 c5a33cc0 [ 119.535698] de80: b6df3000 0000000a c538f000 c5efdf60 c5efdec4 c5efdea0 c07f4ad0 c0c2d4f4 [ 119.543888] dea0: 00000000 c5a33cc0 b6df3000 c2816000 c5efdf60 c07f4a6c c5efdf5c c5efdec8 [ 119.552079] dec0: c0598198 c07f4a78 00000001 00000000 c059872c c59a66e4 c059872c c5efc000 [ 119.560268] dee0: b6df3000 00020000 00000004 0000000a 0001fff6 c5efdee0 00000001 00000805 [ 119.568455] df00: c5b712c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 119.576644] df20: 00000000 00000000 c5efc000 c06ade3b b6df2000 c5a33cc0 c5a33cc0 c5efc000 [ 119.584833] df40: b6df3000 00000000 00000000 00000004 c5efdf94 c5efdf60 c059872c c0598098 [ 119.593023] df60: 00000000 00000000 c5efdfac c06ade3b 0000000a 0000000a b6f37e00 00000004 [ 119.601212] df80: c03002e4 c5efc000 c5efdfa4 c5efdf98 c05987bc c05986c4 00000000 c5efdfa8 [ 119.609401] dfa0: c03000c0 c05987b0 0000000a 0000000a 00000001 b6df3000 0000000a 00000000 [ 119.617591] dfc0: 0000000a 0000000a b6f37e00 00000004 00000001 00000000 00020000 beffea54 [ 119.625779] dfe0: 00000004 beffe788 b6ea894f b6e2ec66 800e0030 00000001 00000000 00000000 [ 119.633960] Backtrace: [ 119.636434] [] (execute_location) from [] (lkdtm_EXEC_NULL+0x20/0x24) [ 119.644626] r7:c5efdf60 r6:0000000a r5:c6c09000 r4:00000025 [ 119.650306] [] (lkdtm_EXEC_NULL) from [] (lkdtm_do_action+0x2c/0x4c) [ 119.658412] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 119.666435] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 119.674365] r9:c5efdf60 r8:c538f000 r7:0000000a r6:b6df3000 r5:c5a33cc0 r4:c0c2d4e8 [ 119.682127] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 119.689969] r9:c07f4a6c r8:c5efdf60 r7:c2816000 r6:b6df3000 r5:c5a33cc0 r4:00000000 [ 119.697725] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 119.704872] r10:00000004 r9:00000000 r8:00000000 r7:b6df3000 r6:c5efc000 r5:c5a33cc0 [ 119.712708] r4:c5a33cc0 [ 119.715255] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 119.722404] r9:c5efc000 r8:c03002e4 r7:00000004 r6:b6f37e00 r5:0000000a r4:0000000a [ 119.730164] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 119.737739] Exception stack(0xc5efdfa8 to 0xc5efdff0) [ 119.742804] dfa0: 0000000a 0000000a 00000001 b6df3000 0000000a 00000000 [ 119.750993] dfc0: 0000000a 0000000a b6f37e00 00000004 00000001 00000000 00020000 beffea54 [ 119.759181] dfe0: 00000004 beffe788 b6ea894f b6e2ec66 [ 119.764247] Code: bad PC value [ 119.767399] ---[ end trace dca5c33b5d5179b0 ]--- # Segmentation fault # [ 119.369443] lkdtm: Performing direct entry EXEC_NULL # [ 119.374436] lkdtm: attempting ok execution at c0c2de78 # [ 119.379672] lkdtm: attempting bad execution at 00000000 # [ 119.384922] 8<--- cut here --- # [ 119.387991] Unable to handle kernel NULL pointer dereference at virtual address 00000000 # [ 119.396170] pgd = efb6e65a # [ 119.398948] [00000000] *pgd=00000000 # [ 119.402589] Internal error: Oops: 80000005 [#9] SMP ARM # [ 119.407829] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm phy_generic snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 119.436900] CPU: 3 PID: 2232 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 119.444652] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 119.451195] PC is at 0x0 # [ 119.453747] LR is at execute_location+0xa4/0xb4 # [ 119.458285] pc : [<00000000>] lr : [] psr: 600e0013 # [ 119.464562] sp : c5efde38 ip : 00000027 fp : c5efde54 # [ 119.469796] r10: 0000000a r9 : c1acf850 r8 : c15e7d40 # [ 119.475028] r7 : c5efdf60 r6 : 00000000 r5 : 00000000 r4 : c0c2de78 # [ 119.481563] r3 : c06ade3b r2 : c06ade3b r1 : ef7c05e4 r0 : 0000002b # [ 119.488101] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 119.495245] Control: 10c5387d Table: 16ed404a DAC: 00000051 # [ 119.501000] Process cat (pid: 2232, stack limit = 0x7d6a6cae) # [ 119.506755] Stack: (0xc5efde38 to 0xc5efe000) # [ 119.511124] de20: 00000025 c6c09000 # [ 119.519317] de40: 0000000a c5efdf60 c5efde64 c5efde58 c138955c c13892b8 c5efde74 c5efde68 # [ 119.527507] de60: c0c2d108 c1389548 c5efde9c c5efde78 c0c2d608 c0c2d0e8 c0c2d4e8 c5a33cc0 # [ 119.535698] de80: b6df3000 0000000a c538f000 c5efdf60 c5efdec4 c5efdea0 c07f4ad0 c0c2d4f4 # [ 119.543888] dea0: 00000000 c5a33cc0 b6df3000 c2816000 c5efdf60 c07f4a6c c5efdf5c c5efdec8 # [ 119.552079] dec0: c0598198 c07f4a78 00000001 00000000 c059872c c59a66e4 c059872c c5efc000 # [ 119.560268] dee0: b6df3000 00020000 00000004 0000000a 0001fff6 c5efdee0 00000001 00000805 # [ 119.568455] df00: c5b712c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 119.576644] df20: 00000000 00000000 c5efc000 c06ade3b b6df2000 c5a33cc0 c5a33cc0 c5efc000 # [ 119.584833] df40: b6df3000 00000000 00000000 00000004 c5efdf94 c5efdf60 c059872c c0598098 # [ 119.593023] df60: 00000000 00000000 c5efdfac c06ade3b 0000000a 0000000a b6f37e00 00000004 # [ 119.601212] df80: c03002e4 c5efc000 c5efdfa4 c5efdf98 c05987bc c05986c4 00000000 c5efdfa8 # [ 119.609401] dfa0: c03000c0 c05987b0 0000000a 0000000a 00000001 b6df3000 0000000a 00000000 # [ 119.617591] dfc0: 0000000a 0000000a b6f37e00 00000004 00000001 00000000 00020000 beffea54 # [ 119.625779] dfe0: 00000004 beffe788 b6ea894f b6e2ec66 800e0030 00000001 00000000 00000000 # [ 119.633960] Backtrace: # [ 119.636434] [] (execute_location) from [] (lkdtm_EXEC_NULL+0x20/0x24) # [ 119.644626] r7:c5efdf60 r6:0000000a r5:c6c09000 r4:00000025 # [ 119.650306] [] (lkdtm_EXEC_NULL) from [] (lkdtm_do_action+0x2c/0x4c) # [ 119.658412] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 119.666435] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 119.674365] r9:c5efdf60 r8:c538f000 r7:0000000a r6:b6df3000 r5:c5a33cc0 r4:c0c2d4e8 # [ 119.682127] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 119.689969] r9:c07f4a6c r8:c5efdf60 r7:c2816000 r6:b6df3000 r5:c5a33cc0 r4:00000000 # [ 119.697725] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 119.704872] r10:00000004 r9:00000000 r8:00000000 r7:b6df3000 r6:c5efc000 r5:c5a33cc0 # [ 119.712708] r4:c5a33cc0 # [ 119.715255] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 119.722404] r9:c5efc000 r8:c03002e4 r7:00000004 r6:b6f37e00 r5:0000000a r4:0000000a # [ 119.730164] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 119.737739] Exception stack(0xc5efdfa8 to 0xc5efdff0) # [ 119.742804] dfa0: 0000000a 0000000a 00000001 b6df3000 0000000a 00000000 # [ 119.750993] dfc0: 0000000a 0000000a b6f37e00 00000004 00000001 00000000 00020000 beffea54 # [ 119.759181] dfe0: 00000004 beffe788 b6ea894f b6e2ec66 #[ 120.306665] lkdtm: Performing direct entry ACCESS_USERSPACE [ 119.764247] Code: bad PC valu[ 120.312673] lkdtm: attempting bad read at b6f19000 e # [ 119.767399] ---[ end trac[ 120.320198] 8<--- cut here --- e dca5c33b5d5179b0 ]--- # EXEC[_ 120.326036] Unhandled fault: page domain fault (0x01b) at 0xb6f19000 NULL: missi[n g 1'2c0a.l3l3 5t0r2] pgd = 5c3da5d4 ace:': [FAIL] not ok 3[6 s1e2l.339603] [b6f19000] *pgd=4b903831 ftests: lkdtm: EXEC_NULL[. s h1 20.345527] Internal error: : 1b [#10] SMP ARM exit=1 # selftests: lkdtm: ACCE[ 120.352393] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm phy_generic snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 SS_USERSPACE.sh [ 120.384098] CPU: 2 PID: 2308 Comm: cat Tainted: G D W 5.10.131-cip13 #1 [ 120.393308] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 120.399857] PC is at lkdtm_ACCESS_USERSPACE+0x114/0x16c [ 120.405103] LR is at __irq_work_queue_local+0x40/0x74 [ 120.410163] pc : [] lr : [] psr: 600e0013 [ 120.416438] sp : c6ddfe38 ip : c6ddfd40 fp : c6ddfe64 [ 120.421672] r10: 00000011 r9 : c1acf85c r8 : c15e7d40 [ 120.426908] r7 : c6ddff60 r6 : 00000051 r5 : c6dde000 r4 : b6f19000 [ 120.433444] r3 : 1063916e r2 : 1063916e r1 : ef7ab5e0 r0 : 00000026 [ 120.439981] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 120.447128] Control: 10c5387d Table: 16e6004a DAC: 00000051 [ 120.452886] Process cat (pid: 2308, stack limit = 0x8ffa607c) [ 120.458641] Stack: (0xc6ddfe38 to 0xc6de0000) [ 120.463016] fe20: 00000022 00000000 [ 120.471212] fe40: 00000000 1063916e c6ddfe6c 00000026 c6dbe000 00000011 c6ddfe74 c6ddfe68 [ 120.479407] fe60: c0c2d108 c0c2dfe8 c6ddfe9c c6ddfe78 c0c2d608 c0c2d0e8 c0c2d4e8 c5a35680 [ 120.487596] fe80: b6dd3000 00000011 c538f000 c6ddff60 c6ddfec4 c6ddfea0 c07f4ad0 c0c2d4f4 [ 120.495786] fea0: 00000000 c5a35680 b6dd3000 c2816000 c6ddff60 c07f4a6c c6ddff5c c6ddfec8 [ 120.503976] fec0: c0598198 c07f4a78 00000001 00000000 c059872c c139ead8 c059872c c6dde000 [ 120.512166] fee0: b6dd3000 00020000 00000004 00000011 0001ffef c6ddfee0 00000001 b6dd2000 [ 120.520357] ff00: c29ca8c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 120.528546] ff20: 00000000 00000000 c139ead8 1063916e c205ca60 c5a35680 c5a35680 c6dde000 [ 120.536736] ff40: b6dd3000 00000000 00000000 00000004 c6ddff94 c6ddff60 c059872c c0598098 [ 120.544926] ff60: 00000000 00000000 c6ddffac 1063916e 00000011 00000011 b6f1ae00 00000004 [ 120.553118] ff80: c03002e4 c6dde000 c6ddffa4 c6ddff98 c05987bc c05986c4 00000000 c6ddffa8 [ 120.561308] ffa0: c03000c0 c05987b0 00000011 00000011 00000001 b6dd3000 00000011 00000000 [ 120.569498] ffc0: 00000011 00000011 b6f1ae00 00000004 00000001 00000000 00020000 beb4da54 [ 120.577687] ffe0: 00000004 beb4d788 b6e8894f b6e0ec66 800e0030 00000001 00000000 00000000 [ 120.585870] Backtrace: [ 120.588350] [] (lkdtm_ACCESS_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) [ 120.597061] r6:00000011 r5:c6dbe000 r4:00000026 [ 120.601696] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 120.609722] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 120.617653] r9:c6ddff60 r8:c538f000 r7:00000011 r6:b6dd3000 r5:c5a35680 r4:c0c2d4e8 [ 120.625416] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 120.633263] r9:c07f4a6c r8:c6ddff60 r7:c2816000 r6:b6dd3000 r5:c5a35680 r4:00000000 [ 120.641023] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 120.648176] r10:00000004 r9:00000000 r8:00000000 r7:b6dd3000 r6:c6dde000 r5:c5a35680 [ 120.656014] r4:c5a35680 [ 120.658563] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 120.665711] r9:c6dde000 r8:c03002e4 r7:00000004 r6:b6f1ae00 r5:00000011 r4:00000011 [ 120.673475] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 120.681055] Exception stack(0xc6ddffa8 to 0xc6ddfff0) [ 120.686119] ffa0: 00000011 00000011 00000001 b6dd3000 00000011 00000000 [ 120.694309] ffc0: 00000011 00000011 b6f1ae00 00000004 00000001 00000000 00020000 beb4da54 [ 120.702499] ffe0: 00000004 beb4d788 b6e8894f b6e0ec66 [ 120.707570] Code: e1a01004 e3000780 e34c01ad eb1d4173 (e5943000) [ 120.713684] ---[ end trace dca5c33b5d5179b1 ]--- # Segmentation fault # [ 120.306665] lkdtm: Performing direct entry ACCESS_USERSPACE # [ 120.312673] lkdtm: attempting bad read at b6f19000 # [ 120.320198] 8<--- cut here --- # [ 120.326036] Unhandled fault: page domain fault (0x01b) at 0xb6f19000 # [ 120.335072] pgd = 5c3da5d4 # [ 120.339603] [b6f19000] *pgd=4b903831 # [ 120.345527] Internal error: : 1b [#10] SMP ARM # [ 120.352393] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm phy_generic snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 120.384098] CPU: 2 PID: 2308 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 120.393308] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 120.399857] PC is at lkdtm_ACCESS_USERSPACE+0x114/0x16c # [ 120.405103] LR is at __irq_work_queue_local+0x40/0x74 # [ 120.410163] pc : [] lr : [] psr: 600e0013 # [ 120.416438] sp : c6ddfe38 ip : c6ddfd40 fp : c6ddfe64 # [ 120.421672] r10: 00000011 r9 : c1acf85c r8 : c15e7d40 # [ 120.426908] r7 : c6ddff60 r6 : 00000051 r5 : c6dde000 r4 : b6f19000 # [ 120.433444] r3 : 1063916e r2 : 1063916e r1 : ef7ab5e0 r0 : 00000026 # [ 120.439981] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 120.447128] Control: 10c5387d Table: 16e6004a DAC: 00000051 # [ 120.452886] Process cat (pid: 2308, stack limit = 0x8ffa607c) # [ 120.458641] Stack: (0xc6ddfe38 to 0xc6de0000) # [ 120.463016] fe20: 00000022 00000000 # [ 120.471212] fe40: 00000000 1063916e c6ddfe6c 00000026 c6dbe000 00000011 c6ddfe74 c6ddfe68 # [ 120.479407] fe60: c0c2d108 c0c2dfe8 c6ddfe9c c6ddfe78 c0c2d608 c0c2d0e8 c0c2d4e8 c5a35680 # [ 120.487596] fe80: b6dd3000 00000011 c538f000 c6ddff60 c6ddfec4 c6ddfea0 c07f4ad0 c0c2d4f4 # [ 120.495786] fea0: 00000000 c5a35680 b6dd3000 c2816000 c6ddff60 c07f4a6c c6ddff5c c6ddfec8 # [ 120.503976] fec0: c0598198 c07f4a78 00000001 00000000 c059872c c139ead8 c059872c c6dde000 # [ 120.512166] fee0: b6dd3000 00020000 00000004 00000011 0001ffef c6ddfee0 00000001 b6dd2000 # [ 120.520357] ff00: c29ca8c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 120.528546] ff20: 00000000 00000000 c139ead8 1063916e c205ca60 c5a35680 c5a35680 c6dde000 # [ 120.536736] ff40: b6dd3000 00000000 00000000 00000004 c6ddff94 c6ddff60 c059872c c0598098 # [ 120.544926] ff60: 00000000 00000000 c6ddffac 1063916e 00000011 00000011 b6f1ae00 00000004 # [ 120.553118] ff80: c03002e4 c6dde000 c6ddffa4 c6ddff98 c05987bc c05986c4 00000000 c6ddffa8 # [ 120.561308] ffa0: c03000c0 c05987b0 00000011 00000011 00000001 b6dd3000 00000011 00000000 # [ 120.569498] ffc0: 00000011 00000011 b6f1ae00 00000004 00000001 00000000 00020000 beb4da54 # [ 120.577687] ffe0: 00000004 beb4d788 b6e8894f b6e0ec66 800e0030 00000001 00000000 00000000 # [ 120.585870] Backtrace: # [ 120.588350] [] (lkdtm_ACCESS_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 120.597061] r6:00000011 r5:c6dbe000 r4:00000026 # [ 120.601696] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 120.609722] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 120.617653] r9:c6ddff60 r8:c538f000 r7:00000011 r6:b6dd3000 r5:c5a35680 r4:c0c2d4e8 # [ 120.625416] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 120.633263] r9:c07f4a6c r8:c6ddff60 r7:c2816000 r6:b6dd3000 r5:c5a35680 r4:00000000 # [ 120.641023] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 120.648176] r10:00000004 r9:00000000 r8:00000000 r7:b6dd3000 r6:c6dde000 r5:c5a35680 # [ 120.656014] r4:c5a35680 # [ 120.658563] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 120.665711] r9:c6dde000 r8:c03002e4 r7:00000004 r6:b6f1ae00 r5:00000011 r4:00000011 # [ 120.673475] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 120.681055] Exception stack(0xc6ddffa8 to 0xc6ddfff0) # [ 120.686119] ffa0: 00000011 00000011 00000001 b6dd3000 00000011 00000000 # [ 120.694309] ffc0: 00000011 00000011 b6f1ae00 00000004 00000001 00000000 00020000 beb4da54 # [ 120.702499] ffe0: 00000004 beb4d788 b6e8894f b6e0ec66 # [ [ 121.219968] lkdtm: Performing direct entry ACCESS_NULL 120.707570] Code: e1a01004 e30007[ 121.226014] lkdtm: attempting bad read at 00000000 80 e34c01ad eb1d4173 (e5943000) [ 121.233774] 8<--- cut here --- # [ 120.713684] ---[ end trace [ 121.239643] Unable to handle kernel NULL pointer dereference at virtual address 00000000 dca5c33b5d5179b1 ]--- # ACCESS_U[ 121.250597] pgd = 52893bdd SERSPACE: missing 'call trace:': [ 121.256107] [00000000] *pgd=00000000 [FAIL] not ok 37 selftests: lkdt[ 121.262626] Internal error: Oops: 5 [#11] SMP ARM m: ACCESS_USERSPACE.sh # exit=1 [ 121.270116] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm phy_generic snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # selftests: lkdtm: ACCE[S S _1N21.301822] CPU: 1 PID: 2383 Comm: cat Tainted: G D W 5.10.131-cip13 #1 LL.sh [ 121.311989] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 121.319135] PC is at lkdtm_ACCESS_NULL+0x28/0x68 [ 121.323774] LR is at __irq_work_queue_local+0x40/0x74 [ 121.328835] pc : [] lr : [] psr: 600e0013 [ 121.335110] sp : c5837e50 ip : c5837d58 fp : c5837e64 [ 121.340344] r10: 0000000c r9 : c1acf870 r8 : c15e7d40 [ 121.345576] r7 : c5837f60 r6 : 0000000c r5 : c6b02000 r4 : 00000000 [ 121.352110] r3 : 7e4e3aa1 r2 : 7e4e3aa1 r1 : ef7965e0 r0 : 00000026 [ 121.358648] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 121.365794] Control: 10c5387d Table: 16d9c04a DAC: 00000051 [ 121.371550] Process cat (pid: 2383, stack limit = 0x75af792c) [ 121.377305] Stack: (0xc5837e50 to 0xc5838000) [ 121.381676] 7e40: 00000027 c6b02000 c5837e74 c5837e68 [ 121.389865] 7e60: c0c2d108 c138956c c5837e9c c5837e78 c0c2d608 c0c2d0e8 c0c2d4e8 c5b74b40 [ 121.398056] 7e80: b6dec000 0000000c c538f000 c5837f60 c5837ec4 c5837ea0 c07f4ad0 c0c2d4f4 [ 121.406244] 7ea0: 00000000 c5b74b40 b6dec000 c2816000 c5837f60 c07f4a6c c5837f5c c5837ec8 [ 121.414434] 7ec0: c0598198 c07f4a78 00000001 00000000 c059872c c44cd924 c059872c c5836000 [ 121.422623] 7ee0: b6dec000 00020000 00000004 0000000c 0001fff4 c5837ee0 00000001 00000805 [ 121.430810] 7f00: c5a6b540 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 121.439000] 7f20: 00000000 00000000 c5836000 7e4e3aa1 b6deb000 c5b74b40 c5b74b40 c5836000 [ 121.447190] 7f40: b6dec000 00000000 00000000 00000004 c5837f94 c5837f60 c059872c c0598098 [ 121.455381] 7f60: 00000000 00000000 c5837fac 7e4e3aa1 0000000c 0000000c b6f33e00 00000004 [ 121.463569] 7f80: c03002e4 c5836000 c5837fa4 c5837f98 c05987bc c05986c4 00000000 c5837fa8 [ 121.471757] 7fa0: c03000c0 c05987b0 0000000c 0000000c 00000001 b6dec000 0000000c 00000000 [ 121.479945] 7fc0: 0000000c 0000000c b6f33e00 00000004 00000001 00000000 00020000 bec41a54 [ 121.488133] 7fe0: 00000004 bec41788 b6ea194f b6e27c66 800e0030 00000001 00000000 00000000 [ 121.496315] Backtrace: [ 121.498794] [] (lkdtm_ACCESS_NULL) from [] (lkdtm_do_action+0x2c/0x4c) [ 121.507069] r5:c6b02000 r4:00000027 [ 121.510661] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 121.518683] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 121.526614] r9:c5837f60 r8:c538f000 r7:0000000c r6:b6dec000 r5:c5b74b40 r4:c0c2d4e8 [ 121.534377] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 121.542220] r9:c07f4a6c r8:c5837f60 r7:c2816000 r6:b6dec000 r5:c5b74b40 r4:00000000 [ 121.549978] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 121.557127] r10:00000004 r9:00000000 r8:00000000 r7:b6dec000 r6:c5836000 r5:c5b74b40 [ 121.564965] r4:c5b74b40 [ 121.567513] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 121.574660] r9:c5836000 r8:c03002e4 r7:00000004 r6:b6f33e00 r5:0000000c r4:0000000c [ 121.582419] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 121.589995] Exception stack(0xc5837fa8 to 0xc5837ff0) [ 121.595057] 7fa0: 0000000c 0000000c 00000001 b6dec000 0000000c 00000000 [ 121.603249] 7fc0: 0000000c 0000000c b6f33e00 00000004 00000001 00000000 00020000 bec41a54 [ 121.611436] 7fe0: 00000004 bec41788 b6ea194f b6e27c66 [ 121.616503] Code: e3000780 e34c01ad e1a01004 ebffd44d (e5945000) [ 121.622705] ---[ end trace dca5c33b5d5179b2 ]--- # Segmentation fault # [ 121.219968] lkdtm: Performing direct entry ACCESS_NULL # [ 121.226014] lkdtm: attempting bad read at 00000000 # [ 121.233774] 8<--- cut here --- # [ 121.239643] Unable to handle kernel NULL pointer dereference at virtual address 00000000 # [ 121.250597] pgd = 52893bdd # [ 121.256107] [00000000] *pgd=00000000 # [ 121.262626] Internal error: Oops: 5 [#11] SMP ARM # [ 121.270116] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm phy_generic snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 121.301822] CPU: 1 PID: 2383 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 121.311989] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 121.319135] PC is at lkdtm_ACCESS_NULL+0x28/0x68 # [ 121.323774] LR is at __irq_work_queue_local+0x40/0x74 # [ 121.328835] pc : [] lr : [] psr: 600e0013 # [ 121.335110] sp : c5837e50 ip : c5837d58 fp : c5837e64 # [ 121.340344] r10: 0000000c r9 : c1acf870 r8 : c15e7d40 # [ 121.345576] r7 : c5837f60 r6 : 0000000c r5 : c6b02000 r4 : 00000000 # [ 121.352110] r3 : 7e4e3aa1 r2 : 7e4e3aa1 r1 : ef7965e0 r0 : 00000026 # [ 121.358648] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 121.365794] Control: 10c5387d Table: 16d9c04a DAC: 00000051 # [ 121.371550] Process cat (pid: 2383, stack limit = 0x75af792c) # [ 121.377305] Stack: (0xc5837e50 to 0xc5838000) # [ 121.381676] 7e40: 00000027 c6b02000 c5837e74 c5837e68 # [ 121.389865] 7e60: c0c2d108 c138956c c5837e9c c5837e78 c0c2d608 c0c2d0e8 c0c2d4e8 c5b74b40 # [ 121.398056] 7e80: b6dec000 0000000c c538f000 c5837f60 c5837ec4 c5837ea0 c07f4ad0 c0c2d4f4 # [ 121.406244] 7ea0: 00000000 c5b74b40 b6dec000 c2816000 c5837f60 c07f4a6c c5837f5c c5837ec8 # [ 121.414434] 7ec0: c0598198 c07f4a78 00000001 00000000 c059872c c44cd924 c059872c c5836000 # [ 121.422623] 7ee0: b6dec000 00020000 00000004 0000000c 0001fff4 c5837ee0 00000001 00000805 # [ 121.430810] 7f00: c5a6b540 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 121.439000] 7f20: 00000000 00000000 c5836000 7e4e3aa1 b6deb000 c5b74b40 c5b74b40 c5836000 # [ 121.447190] 7f40: b6dec000 00000000 00000000 00000004 c5837f94 c5837f60 c059872c c0598098 # [ 121.455381] 7f60: 00000000 00000000 c5837fac 7e4e3aa1 0000000c 0000000c b6f33e00 00000004 # [ 121.463569] 7f80: c03002e4 c5836000 c5837fa4 c5837f98 c05987bc c05986c4 00000000 c5837fa8 # [ 121.471757] 7fa0: c03000c0 c05987b0 0000000c 0000000c 00000001 b6dec000 0000000c 00000000 # [ 121.479945] 7fc0: 0000000c 0000000c b6f33e00 00000004 00000001 00000000 00020000 bec41a54 # [ 121.488133] 7fe0: 00000004 bec41788 b6ea194f b6e27c66 800e0030 00000001 00000000 00000000 # [ 121.496315] Backtrace: # [ 121.498794] [] (lkdtm_ACCESS_NULL) from [] (lkdtm_do_action+0x2c/0x4c) # [ 121.507069] r5:c6b02000 r4:00000027 # [ 121.510661] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 121.518683] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 121.526614] r9:c5837f60 r8:c538f000 r7:0000000c r6:b6dec000 r5:c5b74b40 r4:c0c2d4e8 # [ 121.534377] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 121.542220] r9:c07f4a6c r8:c5837f60 r7:c2816000 r6:b6dec000 r5:c5b74b40 r4:00000000 # [ 121.549978] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 121.557127] r10:00000004 r9:00000000 r8:00000000 r7:b6dec000 r6:c5836000 r5:c5b74b40 # [ 121.564965] r4:c5b74b40 # [ 121.567513] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 121.574660] r9:c5836000 r8:c03002e4 r7:00000004 r6:b6f33e00 r5:0000000c r4:0000000c # [ 121.582419] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 121.589995] Exception stack(0xc5837fa8 to 0xc5837ff0) # [ 121.595057] 7fa0: 0000000c 0000000c 00000001 b6dec000 0000000c 00000000 # [ 121.603249] 7fc0: 0000000c 0000000c b6f33e00 00000004 00000001 00000000 00020000 bec41a54 # [ 121.611436] 7fe0: 00000004 bec41788 b6ea194f b6e27c66 # [ 121.616503] Code: e3000780 e34c01ad e1a01004 ebffd44d (e5945000) # [ 121.622705] ---[ end trace dca5c33b5d5179b2 ]--- # ACCESS_NULL: [ 122.149081] lkdtm: Performing direct entry WRITE_RO missing 'call trace:': [FAIL] no[ 122.154230] lkdtm: attempting bad rodata write at c15e7fd8 t ok 38 selftests: lkdtm: ACCESS_[ 122.162650] 8<--- cut here --- NULL.sh # exit=1 # selftests[ : 122.168451] Unable to handle kernel paging request at virtual address c15e7fd8 [ 122.178285] pgd = 536208f8 lkdtm: WRITE_RO.sh [ 122.181019] [c15e7fd8] *pgd=1141941e(bad) [ 122.186778] Internal error: Oops: 80d [#12] SMP ARM [ 122.191682] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm phy_generic snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 [ 122.220967] CPU: 2 PID: 2457 Comm: cat Tainted: G D W 5.10.131-cip13 #1 [ 122.228734] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 122.235300] PC is at lkdtm_WRITE_RO+0x44/0x50 [ 122.239700] LR is at __irq_work_queue_local+0x40/0x74 [ 122.244775] pc : [] lr : [] psr: 600e0013 [ 122.251062] sp : c6b37e50 ip : c6b37d58 fp : c6b37e64 [ 122.256306] r10: 00000009 r9 : c1acf87c r8 : c15e7d40 [ 122.261554] r7 : c6b37f60 r6 : 00000009 r5 : c6bb1000 r4 : c15e7fd8 [ 122.268101] r3 : 0198b861 r2 : aa55aa55 r1 : ef7ab5e0 r0 : c1ad0680 [ 122.274653] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 122.281812] Control: 10c5387d Table: 16e1804a DAC: 00000051 [ 122.287582] Process cat (pid: 2457, stack limit = 0x10c7750e) [ 122.293350] Stack: (0xc6b37e50 to 0xc6b38000) [ 122.297740] 7e40: 00000028 c6bb1000 c6b37e74 c6b37e68 [ 122.305949] 7e60: c0c2d108 c138936c c6b37e9c c6b37e78 c0c2d608 c0c2d0e8 c0c2d4e8 c69e5180 [ 122.314159] 7e80: b6e73000 00000009 c538f000 c6b37f60 c6b37ec4 c6b37ea0 c07f4ad0 c0c2d4f4 [ 122.322367] 7ea0: 00000000 c69e5180 b6e73000 c2816000 c6b37f60 c07f4a6c c6b37f5c c6b37ec8 [ 122.330577] 7ec0: c0598198 c07f4a78 00000001 00000000 c059872c c139ead8 c059872c c6b36000 [ 122.338784] 7ee0: b6e73000 00020000 00000004 00000009 0001fff7 c6b37ee0 00000001 b6e72000 [ 122.346990] 7f00: c5a6b400 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 122.355198] 7f20: 00000000 00000000 c139ead8 42e50385 c205ca60 c69e5180 c69e5180 c6b36000 [ 122.363405] 7f40: b6e73000 00000000 00000000 00000004 c6b37f94 c6b37f60 c059872c c0598098 [ 122.371612] 7f60: 00000000 00000000 c6b37fac 42e50385 00000009 00000009 b6fbae00 00000004 [ 122.379820] 7f80: c03002e4 c6b36000 c6b37fa4 c6b37f98 c05987bc c05986c4 00000000 c6b37fa8 [ 122.388027] 7fa0: c03000c0 c05987b0 00000009 00000009 00000001 b6e73000 00000009 00000000 [ 122.396233] 7fc0: 00000009 00000009 b6fbae00 00000004 00000001 00000000 00020000 beceba54 [ 122.404441] 7fe0: 00000004 beceb788 b6f2894f b6eaec66 800e0030 00000001 00000000 00000000 [ 122.412636] Backtrace: [ 122.415146] [] (lkdtm_WRITE_RO) from [] (lkdtm_do_action+0x2c/0x4c) [ 122.423180] r5:c6bb1000 r4:00000028 [ 122.426793] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 122.434839] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 122.442788] r9:c6b37f60 r8:c538f000 r7:00000009 r6:b6e73000 r5:c69e5180 r4:c0c2d4e8 [ 122.450573] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 122.458434] r9:c07f4a6c r8:c6b37f60 r7:c2816000 r6:b6e73000 r5:c69e5180 r4:00000000 [ 122.466212] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 122.473379] r10:00000004 r9:00000000 r8:00000000 r7:b6e73000 r6:c6b36000 r5:c69e5180 [ 122.481229] r4:c69e5180 [ 122.483796] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 122.490962] r9:c6b36000 r8:c03002e4 r7:00000004 r6:b6fbae00 r5:00000009 r4:00000009 [ 122.498742] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 122.506332] Exception stack(0xc6b37fa8 to 0xc6b37ff0) [ 122.511412] 7fa0: 00000009 00000009 00000001 b6e73000 00000009 00000000 [ 122.519620] 7fc0: 00000009 00000009 b6fbae00 00000004 00000001 00000000 00020000 beceba54 [ 122.527821] 7fe0: 00000004 beceb788 b6f2894f b6eaec66 [ 122.532904] Code: e34a3bcd e3000680 e34c01ad e0233002 (e5843000) [ 122.539031] ---[ end trace dca5c33b5d5179b3 ]--- # Segmentation fault # [ 122.149081] lkdtm: Performing direct entry WRITE_RO # [ 122.154230] lkdtm: attempting bad rodata write at c15e7fd8 # [ 122.162650] 8<--- cut here --- # [ 122.168451] Unable to handle kernel paging request at virtual address c15e7fd8 # [ 122.178285] pgd = 536208f8 # [ 122.181019] [c15e7fd8] *pgd=1141941e(bad) # [ 122.186778] Internal error: Oops: 80d [#12] SMP ARM # [ 122.191682] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm phy_generic snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 122.220967] CPU: 2 PID: 2457 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 122.228734] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 122.235300] PC is at lkdtm_WRITE_RO+0x44/0x50 # [ 122.239700] LR is at __irq_work_queue_local+0x40/0x74 # [ 122.244775] pc : [] lr : [] psr: 600e0013 # [ 122.251062] sp : c6b37e50 ip : c6b37d58 fp : c6b37e64 # [ 122.256306] r10: 00000009 r9 : c1acf87c r8 : c15e7d40 # [ 122.261554] r7 : c6b37f60 r6 : 00000009 r5 : c6bb1000 r4 : c15e7fd8 # [ 122.268101] r3 : 0198b861 r2 : aa55aa55 r1 : ef7ab5e0 r0 : c1ad0680 # [ 122.274653] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 122.281812] Control: 10c5387d Table: 16e1804a DAC: 00000051 # [ 122.287582] Process cat (pid: 2457, stack limit = 0x10c7750e) # [ 122.293350] Stack: (0xc6b37e50 to 0xc6b38000) # [ 122.297740] 7e40: 00000028 c6bb1000 c6b37e74 c6b37e68 # [ 122.305949] 7e60: c0c2d108 c138936c c6b37e9c c6b37e78 c0c2d608 c0c2d0e8 c0c2d4e8 c69e5180 # [ 122.314159] 7e80: b6e73000 00000009 c538f000 c6b37f60 c6b37ec4 c6b37ea0 c07f4ad0 c0c2d4f4 # [ 122.322367] 7ea0: 00000000 c69e5180 b6e73000 c2816000 c6b37f60 c07f4a6c c6b37f5c c6b37ec8 # [ 122.330577] 7ec0: c0598198 c07f4a78 00000001 00000000 c059872c c139ead8 c059872c c6b36000 # [ 122.338784] 7ee0: b6e73000 00020000 00000004 00000009 0001fff7 c6b37ee0 00000001 b6e72000 # [ 122.346990] 7f00: c5a6b400 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 122.355198] 7f20: 00000000 00000000 c139ead8 42e50385 c205ca60 c69e5180 c69e5180 c6b36000 # [ 122.363405] 7f40: b6e73000 00000000 00000000 00000004 c6b37f94 c6b37f60 c059872c c0598098 # [ 122.371612] 7f60: 00000000 00000000 c6b37fac 42e50385 00000009 00000009 b6fbae00 00000004 # [ 122.379820] 7f80: c03002e4 c6b36000 c6b37fa4 c6b37f98 c05987bc c05986c4 00000000 c6b37fa8 # [ 122.388027] 7fa0: c03000c0 c05987b0 00000009 00000009 00000001 b6e73000 00000009 00000000 # [ 122.396233] 7fc0: 00000009 00000009 b6fbae00 00000004 00000001 00000000 00020000 beceba54 # [ 122.404441] 7fe0: 00000004 beceb788 b6f2894f b6eaec66 800e0030 00000001 00000000 00000000 # [ 122.412636] Backtrace: # [ 122.415146] [] (lkdtm_WRITE_RO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 122.423180] r5:c6bb1000 r4:00000028 # [ 122.426793] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 122.434839] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 122.442788] r9:c6b37f60 r8:c538f000 r7:00000009 r6:b6e73000 r5:c69e5180 r4:c0c2d4e8 # [ 122.450573] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 122.458434] r9:c07f4a6c r8:c6b37f60 r7:c2816000 r6:b6e73000 r5:c69e5180 r4:00000000 # [ 122.466212] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 122.473379] r10:00000004 r9:00000000 r8:00000000 r7:b6e73000 r6:c6b36000 r5:c69e5180 # [ 122.481229] r4:c69e5180 # [ 122.483796] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 122.490962] r9:c6b36000 r8:c03002e4 r7:00000004 r6:b6fbae00 r5:00000009 r4:00000009 # [ 122.498742] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 122.506332] Exception stack(0xc6b37fa8 to 0xc6b37ff0) # [ 122.511412] 7fa0: 00000009 00000009 00000001 b6e73000 00000009 00000000 # [ 122.519620] 7fc0: 00000009 00000009 b6fbae00 00000004 00000001 00000000 00020000 beceba54 # [ 122.527821] 7fe0: 00000004 beceb788 b6f2894f b6eaec66 # [ 122.532904] Code: e34a3bcd e3000680 e34c01ad e0233002 (e5843000) # [ 122.539031] ---[ end trace dca5c33b5d5179b3 ]--- # WRITE_RO: missing 'call trace:': [FAIL] not ok 39 selftests: lkdtm: WRITE_RO.sh # exit=1 # selftests: lkdtm: WRITE_RO_AFTER_INIT.sh [ 123.137279] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT [ 123.143199] lkdtm: attempting bad ro_after_init write at c1b82c48 [ 123.149404] 8<--- cut here --- [ 123.152473] Unable to handle kernel paging request at virtual address c1b82c48 [ 123.159705] pgd = eea1991a [ 123.162422] [c1b82c48] *pgd=11a1941e(bad) [ 123.166459] Internal error: Oops: 80d [#13] SMP ARM [ 123.171345] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm phy_generic snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 [ 123.200423] CPU: 0 PID: 2531 Comm: cat Tainted: G D W 5.10.131-cip13 #1 [ 123.208173] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 123.214720] PC is at lkdtm_WRITE_RO_AFTER_INIT+0x64/0x70 [ 123.220052] LR is at __irq_work_queue_local+0x40/0x74 [ 123.225113] pc : [] lr : [] psr: 600e0013 [ 123.231388] sp : c5efde50 ip : c5efdd58 fp : c5efde64 [ 123.236621] r10: 00000014 r9 : c1acf888 r8 : c15e7d40 [ 123.241855] r7 : c5efdf60 r6 : 00000014 r5 : c2fc0000 r4 : c1b82c48 [ 123.248389] r3 : fe67479e r2 : 55aa55aa r1 : ef7815e0 r0 : c1ad0680 [ 123.254927] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 123.262072] Control: 10c5387d Table: 16b6804a DAC: 00000051 [ 123.267826] Process cat (pid: 2531, stack limit = 0x7d6a6cae) [ 123.273579] Stack: (0xc5efde50 to 0xc5efe000) [ 123.277949] de40: 00000029 c2fc0000 c5efde74 c5efde68 [ 123.286141] de60: c0c2d108 c13893bc c5efde9c c5efde78 c0c2d608 c0c2d0e8 c0c2d4e8 c5a34b40 [ 123.294330] de80: b6de7000 00000014 c538f000 c5efdf60 c5efdec4 c5efdea0 c07f4ad0 c0c2d4f4 [ 123.302520] dea0: 00000000 c5a34b40 b6de7000 c2816000 c5efdf60 c07f4a6c c5efdf5c c5efdec8 [ 123.310710] dec0: c0598198 c07f4a78 00000001 00000000 c059872c c2d648a4 c059872c c5efc000 [ 123.318900] dee0: b6de7000 00020000 00000004 00000014 0001ffec c5efdee0 00000001 00000805 [ 123.327088] df00: c5ab0dc0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 123.335278] df20: 00000000 00000000 c5efc000 fbb4e4e8 b6de6000 c5a34b40 c5a34b40 c5efc000 [ 123.343466] df40: b6de7000 00000000 00000000 00000004 c5efdf94 c5efdf60 c059872c c0598098 [ 123.351654] df60: 00000000 00000000 c5efdfac fbb4e4e8 00000014 00000014 b6f2ee00 00000004 [ 123.359843] df80: c03002e4 c5efc000 c5efdfa4 c5efdf98 c05987bc c05986c4 00000000 c5efdfa8 [ 123.368032] dfa0: c03000c0 c05987b0 00000014 00000014 00000001 b6de7000 00000014 00000000 [ 123.376221] dfc0: 00000014 00000014 b6f2ee00 00000004 00000001 00000000 00020000 bef93a54 [ 123.384409] dfe0: 00000004 bef93788 b6e9c94f b6e22c66 800e0030 00000001 00000000 00000000 [ 123.392591] Backtrace: [ 123.395067] [] (lkdtm_WRITE_RO_AFTER_INIT) from [] (lkdtm_do_action+0x2c/0x4c) [ 123.404036] r5:c2fc0000 r4:00000029 [ 123.407629] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 123.415652] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 123.423581] r9:c5efdf60 r8:c538f000 r7:00000014 r6:b6de7000 r5:c5a34b40 r4:c0c2d4e8 [ 123.431343] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 123.439186] r9:c07f4a6c r8:c5efdf60 r7:c2816000 r6:b6de7000 r5:c5a34b40 r4:00000000 [ 123.446943] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 123.454091] r10:00000004 r9:00000000 r8:00000000 r7:b6de7000 r6:c5efc000 r5:c5a34b40 [ 123.461926] r4:c5a34b40 [ 123.464474] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 123.471621] r9:c5efc000 r8:c03002e4 r7:00000004 r6:b6f2ee00 r5:00000014 r4:00000014 [ 123.479380] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 123.486958] Exception stack(0xc5efdfa8 to 0xc5efdff0) [ 123.492020] dfa0: 00000014 00000014 00000001 b6de7000 00000014 00000000 [ 123.500208] dfc0: 00000014 00000014 b6f2ee00 00000004 00000001 00000000 00020000 bef93a54 [ 123.508394] dfe0: 00000004 bef93788 b6e9c94f b6e22c66 [ 123.513459] Code: e34a3bcd e3000680 e34c01ad e0233002 (e5843000) [ 123.519569] ---[ end trace dca5c33b5d5179b4 ]--- # Segmentation fault # [ 123.137279] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT # [ 123.143199] lkdtm: attempting bad ro_after_init write at c1b82c48 # [ 123.149404] 8<--- cut here --- # [ 123.152473] Unable to handle kernel paging request at virtual address c1b82c48 # [ 123.159705] pgd = eea1991a # [ 123.162422] [c1b82c48] *pgd=11a1941e(bad) # [ 123.166459] Internal error: Oops: 80d [#13] SMP ARM # [ 123.171345] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm phy_generic snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 123.200423] CPU: 0 PID: 2531 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 123.208173] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 123.214720] PC is at lkdtm_WRITE_RO_AFTER_INIT+0x64/0x70 # [ 123.220052] LR is at __irq_work_queue_local+0x40/0x74 # [ 123.225113] pc : [] lr : [] psr: 600e0013 # [ 123.231388] sp : c5efde50 ip : c5efdd58 fp : c5efde64 # [ 123.236621] r10: 00000014 r9 : c1acf888 r8 : c15e7d40 # [ 123.241855] r7 : c5efdf60 r6 : 00000014 r5 : c2fc0000 r4 : c1b82c48 # [ 123.248389] r3 : fe67479e r2 : 55aa55aa r1 : ef7815e0 r0 : c1ad0680 # [ 123.254927] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 123.262072] Control: 10c5387d Table: 16b6804a DAC: 00000051 # [ 123.267826] Process cat (pid: 2531, stack limit = 0x7d6a6cae) # [ 123.273579] Stack: (0xc5efde50 to 0xc5efe000) # [ 123.277949] de40: 00000029 c2fc0000 c5efde74 c5efde68 # [ 123.286141] de60: c0c2d108 c13893bc c5efde9c c5efde78 c0c2d608 c0c2d0e8 c0c2d4e8 c5a34b40 # [ 123.294330] de80: b6de7000 00000014 c538f000 c5efdf60 c5efdec4 c5efdea0 c07f4ad0 c0c2d4f4 # [ 123.302520] dea0: 00000000 c5a34b40 b6de7000 c2816000 c5efdf60 c07f4a6c c5efdf5c c5efdec8 # [ 123.310710] dec0: c0598198 c07f4a78 00000001 00000000 c059872c c2d648a4 c059872c c5efc000 # [ 123.318900] dee0: b6de7000 00020000 00000004 00000014 0001ffec c5efdee0 00000001 00000805 # [ 123.327088] df00: c5ab0dc0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 123.335278] df20: 00000000 00000000 c5efc000 fbb4e4e8 b6de6000 c5a34b40 c5a34b40 c5efc000 # [ 123.343466] df40: b6de7000 00000000 00000000 00000004 c5efdf94 c5efdf60 c059872c c0598098 # [ 123.351654] df60: 00000000 00000000 c5efdfac fbb4e4e8 00000014 00000014 b6f2ee00 00000004 # [ 123.359843] df80: c03002e4 c5efc000 c5efdfa4 c5efdf98 c05987bc c05986c4 00000000 c5efdfa8 # [ 123.368032] dfa0: c03000c0 c05987b0 00000014 00000014 00000001 b6de7000 00000014 00000000 # [ 123.376221] dfc0: 00000014 00000014 b6f2ee00 00000004 00000001 00000000 00020000 bef93a54 # [ 123.384409] dfe0: 00000004 bef93788 b6e9c94f b6e22c66 800e0030 00000001 00000000 00000000 # [ 123.392591] Backtrace: # [ 123.395067] [] (lkdtm_WRITE_RO_AFTER_INIT) from [] (lkdtm_do_action+0x2c/0x4c) # [ 123.404036] r5:c2fc0000 r4:00000029 # [ 123.407629] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 123.415652] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 123.423581] r9:c5efdf60 r8:c538f000 r7:00000014 r6:b6de7000 r5:c5a34b40 r4:c0c2d4e8 # [ 123.431343] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 123.439186] r9:c07f4a6c r8:c5efdf60 r7:c2816000 r6:b6de7000 r5:c5a34b40 r4:00000000 # [ 123.446943] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 123.454091] r10:00000004 r9:00000000 r8:00000000 r7:b6de7000 r6:c5efc000 r5:c5a34b40 # [ 123.461926] r4:c5a34b40 # [ 123.464474] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 123.471621] r9:c5efc000 r8:c03002e4 r7:00000004 r6:b6f2ee00 r5:00000014 r4:00000014 # [ 123.479380] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 123.486958] Exception stack(0xc5efdfa8 to 0xc5efdff0) # [ 123.492020] dfa0: 00000014 00000014 00000001 b6de7000 00000014 00000000 # [ 123.500208] dfc0: 00000014 00000014 b6f2ee00 00000004 00000001 00000000 00020000 bef93a54 # [ 123.508394] dfe0: 00000004 bef93788 b6e9c94f b6e22c66 # [ 123.513459] Code: e34a3bcd e3000680 e34c01ad e0233002 (e5843000) # [ 123.519569] ---[ end trace dca5c33b5d5179b4 ]--- # WRITE_RO_AFTER_INIT: missing 'call trace:': [FAIL] not ok 40 selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # exit=1 # selftests: lkdtm: WRITE_KERN.sh [ 124.079684] lkdtm: Performing direct entry WRITE_KERN [ 124.084766] lkdtm: attempting bad 7713808 byte write at c1389288 [ 124.090895] 8<--- cut here --- [ 124.093963] Unable to handle kernel paging request at virtual address c1389288 [ 124.101197] pgd = 6124f770 [ 124.103913] [c1389288] *pgd=1121940e(bad) [ 124.107950] Internal error: Oops: 80d [#14] SMP ARM [ 124.112838] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm phy_generic snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 [ 124.141910] CPU: 1 PID: 2605 Comm: cat Tainted: G D W 5.10.131-cip13 #1 [ 124.149662] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 124.156205] PC is at memcpy+0x50/0x330 [ 124.159966] LR is at 0xe92dd830 [ 124.163117] pc : [] lr : [] psr: 200e0013 [ 124.169390] sp : c6d97e2c ip : e1a0c00d fp : c6d97e64 [ 124.174623] r10: 0000000b r9 : c1acf89c r8 : e89da800 [ 124.179857] r7 : e8bd4000 r6 : e52de004 r5 : e24cb004 r4 : e92dd800 [ 124.186393] r3 : e1a0c00d r2 : 0075b370 r1 : c0c2de98 r0 : c1389288 [ 124.192931] Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 124.200074] Control: 10c5387d Table: 16d7404a DAC: 00000051 [ 124.205829] Process cat (pid: 2605, stack limit = 0x1a425a7b) [ 124.211582] Stack: (0xc6d97e2c to 0xc6d98000) [ 124.215954] 7e20: c0c2de78 0075b410 c6d97f60 c15e7d40 c1389288 [ 124.224145] 7e40: c1389288 c138946c 0000002a c6bb7000 0000000b c6d97f60 c6d97e74 c6d97e68 [ 124.232335] 7e60: c0c2d108 c138942c c6d97e9c c6d97e78 c0c2d608 c0c2d0e8 c0c2d4e8 c69e43c0 [ 124.240524] 7e80: b6ea3000 0000000b c538f000 c6d97f60 c6d97ec4 c6d97ea0 c07f4ad0 c0c2d4f4 [ 124.248715] 7ea0: 00000000 c69e43c0 b6ea3000 c2816000 c6d97f60 c07f4a6c c6d97f5c c6d97ec8 [ 124.256903] 7ec0: c0598198 c07f4a78 00000001 00000000 c059872c c139ead8 c059872c c6d96000 [ 124.265091] 7ee0: b6ea3000 00020000 00000004 0000000b 0001fff5 c6d97ee0 00000001 b6ea2000 [ 124.273280] 7f00: c5abaf00 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 124.281468] 7f20: 00000000 00000000 c139ead8 aab10be7 c205ca60 c69e43c0 c69e43c0 c6d96000 [ 124.289657] 7f40: b6ea3000 00000000 00000000 00000004 c6d97f94 c6d97f60 c059872c c0598098 [ 124.297847] 7f60: 00000000 00000000 c6d97fac aab10be7 0000000b 0000000b b6feae00 00000004 [ 124.306035] 7f80: c03002e4 c6d96000 c6d97fa4 c6d97f98 c05987bc c05986c4 00000000 c6d97fa8 [ 124.314224] 7fa0: c03000c0 c05987b0 0000000b 0000000b 00000001 b6ea3000 0000000b 00000000 [ 124.322413] 7fc0: 0000000b 0000000b b6feae00 00000004 00000001 00000000 00020000 bed77a54 [ 124.330602] 7fe0: 00000004 bed77788 b6f5894f b6edec66 800e0030 00000001 00000000 00000000 [ 124.338783] Backtrace: [ 124.341262] [] (lkdtm_WRITE_KERN) from [] (lkdtm_do_action+0x2c/0x4c) [ 124.349453] r7:c6d97f60 r6:0000000b r5:c6bb7000 r4:0000002a [ 124.355131] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 124.363155] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 124.371085] r9:c6d97f60 r8:c538f000 r7:0000000b r6:b6ea3000 r5:c69e43c0 r4:c0c2d4e8 [ 124.378845] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 124.386687] r9:c07f4a6c r8:c6d97f60 r7:c2816000 r6:b6ea3000 r5:c69e43c0 r4:00000000 [ 124.394445] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 124.401592] r10:00000004 r9:00000000 r8:00000000 r7:b6ea3000 r6:c6d96000 r5:c69e43c0 [ 124.409427] r4:c69e43c0 [ 124.411974] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 124.419121] r9:c6d96000 r8:c03002e4 r7:00000004 r6:b6feae00 r5:0000000b r4:0000000b [ 124.426880] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 124.434457] Exception stack(0xc6d97fa8 to 0xc6d97ff0) [ 124.439520] 7fa0: 0000000b 0000000b 00000001 b6ea3000 0000000b 00000000 [ 124.447708] 7fc0: 0000000b 0000000b b6feae00 00000004 00000001 00000000 00020000 bed77a54 [ 124.455894] 7fe0: 00000004 bed77788 b6f5894f b6edec66 [ 124.460959] Code: f5d1f05c f5d1f07c e8b151f8 e2522020 (e8a051f8) [ 124.467067] ---[ end trace dca5c33b5d5179b5 ]--- # Segmentation fault # [ 124.079684] lkdtm: Performing direct entry WRITE_KERN # [ 124.084766] lkdtm: attempting bad 7713808 byte write at c1389288 # [ 124.090895] 8<--- cut here --- # [ 124.093963] Unable to handle kernel paging request at virtual address c1389288 # [ 124.101197] pgd = 6124f770 # [ 124.103913] [c1389288] *pgd=1121940e(bad) # [ 124.107950] Internal error: Oops: 80d [#14] SMP ARM # [ 124.112838] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm phy_generic snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 124.141910] CPU: 1 PID: 2605 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 124.149662] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 124.156205] PC is at memcpy+0x50/0x330 # [ 124.159966] LR is at 0xe92dd830 # [ 124.163117] pc : [] lr : [] psr: 200e0013 # [ 124.169390] sp : c6d97e2c ip : e1a0c00d fp : c6d97e64 # [ 124.174623] r10: 0000000b r9 : c1acf89c r8 : e89da800 # [ 124.179857] r7 : e8bd4000 r6 : e52de004 r5 : e24cb004 r4 : e92dd800 # [ 124.186393] r3 : e1a0c00d r2 : 0075b370 r1 : c0c2de98 r0 : c1389288 # [ 124.192931] Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 124.200074] Control: 10c5387d Table: 16d7404a DAC: 00000051 # [ 124.205829] Process cat (pid: 2605, stack limit = 0x1a425a7b) # [ 124.211582] Stack: (0xc6d97e2c to 0xc6d98000) # [ 124.215954] 7e20: c0c2de78 0075b410 c6d97f60 c15e7d40 c1389288 # [ 124.224145] 7e40: c1389288 c138946c 0000002a c6bb7000 0000000b c6d97f60 c6d97e74 c6d97e68 # [ 124.232335] 7e60: c0c2d108 c138942c c6d97e9c c6d97e78 c0c2d608 c0c2d0e8 c0c2d4e8 c69e43c0 # [ 124.240524] 7e80: b6ea3000 0000000b c538f000 c6d97f60 c6d97ec4 c6d97ea0 c07f4ad0 c0c2d4f4 # [ 124.248715] 7ea0: 00000000 c69e43c0 b6ea3000 c2816000 c6d97f60 c07f4a6c c6d97f5c c6d97ec8 # [ 124.256903] 7ec0: c0598198 c07f4a78 00000001 00000000 c059872c c139ead8 c059872c c6d96000 # [ 124.265091] 7ee0: b6ea3000 00020000 00000004 0000000b 0001fff5 c6d97ee0 00000001 b6ea2000 # [ 124.273280] 7f00: c5abaf00 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 124.281468] 7f20: 00000000 00000000 c139ead8 aab10be7 c205ca60 c69e43c0 c69e43c0 c6d96000 # [ 124.289657] 7f40: b6ea3000 00000000 00000000 00000004 c6d97f94 c6d97f60 c059872c c0598098 # [ 124.297847] 7f60: 00000000 00000000 c6d97fac aab10be7 0000000b 0000000b b6feae00 00000004 # [ 124.306035] 7f80: c03002e4 c6d96000 c6d97fa4 c6d97f98 c05987bc c05986c4 00000000 c6d97fa8 # [ 124.314224] 7fa0: c03000c0 c05987b0 0000000b 0000000b 00000001 b6ea3000 0000000b 00000000 # [ 124.322413] 7fc0: 0000000b 0000000b b6feae00 00000004 00000001 00000000 00020000 bed77a54 # [ 124.330602] 7fe0: 00000004 bed77788 b6f5894f b6edec66 800e0030 00000001 00000000 00000000 # [ 124.338783] Backtrace: # [ 124.341262] [] (lkdtm_WRITE_KERN) from [] (lkdtm_do_action+0x2c/0x4c) # [ 124.349453] r7:c6d97f60 r6:0000000b r5:c6bb7000 r4:0000002a # [ 124.355131] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 124.363155] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 124.371085] r9:c6d97f60 r8:c538f000 r7:0000000b r6:b6ea3000 r5:c69e43c0 r4:c0c2d4e8 # [ 124.378845] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 124.386687] r9:c07f4a6c r8:c6d97f60 r7:c2816000 r6:b6ea3000 r5:c69e43c0 r4:00000000 # [ 124.394445] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 124.401592] r10:00000004 r9:00000000 r8:00000000 r7:b6ea3000 r6:c6d96000 r5:c69e43c0 # [ 124.409427] r4:c69e43c0 # [ 124.411974] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 124.419121] r9:c6d96000 r8:c03002e4 r7:00000004 r6:b6feae00 r5:0000000b r4:0000000b # [ 124.426880] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 124.434457] Exception stack(0xc6d97fa8 to 0xc6d97ff0) # [ 124.439520] 7fa0: 0000000b 0000000b 00000001 b6ea3000 0000000b 00000000 # [ 124.447708] 7fc0: 0000000b 0000000b b6feae00 00000004 00000001 00000000 00020000 bed77a54 # [ 124.455894] 7fe0: 00000004 bed77788 b6f5894f b6edec66 # [ 124.460959] Code: f5d1f05c f5d1f07c e8b151f8 e2522020 (e8a051f8) # [ 124.467067] ---[ end trace dca5c33b5d5179b5 ]--- # WRITE_KERN: missing 'call trace:': [FAIL] not ok 41 selftests: lkdtm: WRITE_KERN.sh # exit=1 # selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh [ 125.117436] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW [ 125.123588] lkdtm: attempting good refcount_inc() without overflow [ 125.129877] lkdtm: attempting bad refcount_inc() overflow [ 125.135293] ------------[ cut here ]------------ [ 125.139985] WARNING: CPU: 2 PID: 2680 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 [ 125.148481] refcount_t: saturated; leaking memory. [ 125.153288] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm phy_generic snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 [ 125.182520] CPU: 2 PID: 2680 Comm: cat Tainted: G D W 5.10.131-cip13 #1 [ 125.190275] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 125.196810] Backtrace: [ 125.199292] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 125.206875] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f728 [ 125.212552] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 125.219882] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 125.226856] r9:00000009 r8:c086ce04 r7:00000016 r6:00000009 r5:c086ce04 r4:c1a239e8 [ 125.234616] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 125.242110] r7:00000016 r6:c1a239e8 r5:c1a239c0 r4:c6e18000 [ 125.247791] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) [ 125.256761] r9:c1acf8a8 r8:c15e7d40 r7:c6e19f60 r6:00000016 r5:c5f35000 r4:c6e18000 [ 125.264526] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) [ 125.274198] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_OVERFLOW+0x78/0x9c) [ 125.284300] [] (lkdtm_REFCOUNT_INC_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) [ 125.293438] r4:0000002b [ 125.295987] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 125.304009] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 125.311938] r9:c6e19f60 r8:c538f000 r7:00000016 r6:b6e3a000 r5:c29cadc0 r4:c0c2d4e8 [ 125.319698] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 125.327541] r9:c07f4a6c r8:c6e19f60 r7:c2816000 r6:b6e3a000 r5:c29cadc0 r4:00000000 [ 125.335297] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 125.342445] r10:00000004 r9:00000000 r8:00000000 r7:b6e3a000 r6:c6e18000 r5:c29cadc0 [ 125.350280] r4:c29cadc0 [ 125.352828] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 125.359974] r9:c6e18000 r8:c03002e4 r7:00000004 r6:b6f81e00 r5:00000016 r4:00000016 [ 125.367732] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 125.375310] Exception stack(0xc6e19fa8 to 0xc6e19ff0) [ 125.380375] 9fa0: 00000016 00000016 00000001 b6e3a000 00000016 00000000 [ 125.388564] 9fc0: 00000016 00000016 b6f81e00 00000004 00000001 00000000 00020000 be815a54 [ 125.396749] 9fe0: 00000004 be815788 b6eef94f b6e75c66 [ 125.401874] irq event stamp: 0 [ 125.404953] hardirqs last enabled at (0): [<00000000>] 0x0 [ 125.410577] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 125.418098] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 125.425679] softirqs last disabled at (0): [<00000000>] 0x0 [ 125.431332] ---[ end trace dca5c33b5d5179b6 ]--- [ 125.435970] lkdtm: Overflow detected: saturated # [ 125.117436] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW # [ 125.123588] lkdtm: attempting good refcount_inc() without overflow # [ 125.129877] lkdtm: attempting bad refcount_inc() overflow # [ 125.135293] ------------[ cut here ]------------ # [ 125.139985] WARNING: CPU: 2 PID: 2680 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 125.148481] refcount_t: saturated; leaking memory. # [ 125.153288] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm phy_generic snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 125.182520] CPU: 2 PID: 2680 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 125.190275] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 125.196810] Backtrace: # [ 125.199292] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 125.206875] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f728 # [ 125.212552] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 125.219882] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 125.226856] r9:00000009 r8:c086ce04 r7:00000016 r6:00000009 r5:c086ce04 r4:c1a239e8 # [ 125.234616] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 125.242110] r7:00000016 r6:c1a239e8 r5:c1a239c0 r4:c6e18000 # [ 125.247791] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 125.256761] r9:c1acf8a8 r8:c15e7d40 r7:c6e19f60 r6:00000016 r5:c5f35000 r4:c6e18000 # [ 125.264526] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 125.274198] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_OVERFLOW+0x78/0x9c) # [ 125.284300] [] (lkdtm_REFCOUNT_INC_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 125.293438] r4:0000002b # [ 125.295987] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 125.304009] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 125.311938] r9:c6e19f60 r8:c538f000 r7:00000016 r6:b6e3a000 r5:c29cadc0 r4:c0c2d4e8 # [ 125.319698] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 125.327541] r9:c07f4a6c r8:c6e19f60 r7:c2816000 r6:b6e3a000 r5:c29cadc0 r4:00000000 # [ 125.335297] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 125.342445] r10:00000004 r9:00000000 r8:00000000 r7:b6e3a000 r6:c6e18000 r5:c29cadc0 # [ 125.350280] r4:c29cadc0 # [ 125.352828] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 125.359974] r9:c6e18000 r8:c03002e4 r7:00000004 r6:b6f81e00 r5:00000016 r4:00000016 # [ 125.367732] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 125.375310] Exception stack(0xc6e19fa8 to 0xc6e19ff0) # [ 125.380375] 9fa0: 00000016 00000016 00000001 b6e3a000 00000016 00000000 # [ 125.388564] 9fc0: 00000016 00000016 b6f81e00 00000004 00000001 00000000 00020000 be815a54 # [ 125.396749] 9fe0: 00000004 be815788 b6eef94f b6e75c66 # [ 125.401874] irq event stamp: 0 # [ 125.404953] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 125.410577] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 125.418098] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 125.425679] softirqs last disabled at (0): [<00000000>] 0x0 # [ 125.431332] ---[ end trace dca5c33b5d5179b6 ]--- # [ 125.435970] lkdtm: Overflow detected: saturated # REFCOUNT_INC_OVERFLOW: missing 'call trace:': [FAIL] not ok 42 selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh # exit=1 # selftests: lkdtm: REFCOUNT_ADD_OVERFLOW.sh [ 125.938986] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW [ 125.945043] lkdtm: attempting good refcount_add() without overflow [ 125.951405] lkdtm: attempting bad refcount_add() overflow [ 125.956843] ------------[ cut here ]------------ [ 125.961544] WARNING: CPU: 2 PID: 2714 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 [ 125.970038] refcount_t: saturated; leaking memory. [ 125.974845] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm phy_generic snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 [ 126.004088] CPU: 2 PID: 2714 Comm: cat Tainted: G D W 5.10.131-cip13 #1 [ 126.011842] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 126.018380] Backtrace: [ 126.020862] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 126.028448] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f728 [ 126.034125] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 126.041453] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 126.048427] r9:00000009 r8:c086ce04 r7:00000016 r6:00000009 r5:c086ce04 r4:c1a239e8 [ 126.056186] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 126.063678] r7:00000016 r6:c1a239e8 r5:c1a239c0 r4:c6ed6000 [ 126.069356] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) [ 126.078328] r9:c1acf8c0 r8:c15e7d40 r7:c6ed7f60 r6:00000016 r5:c5f35000 r4:c6ed6000 [ 126.086093] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) [ 126.095765] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_OVERFLOW+0x84/0xa8) [ 126.105868] [] (lkdtm_REFCOUNT_ADD_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) [ 126.115008] r4:0000002c [ 126.117555] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 126.125578] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 126.133506] r9:c6ed7f60 r8:c538f000 r7:00000016 r6:b6e39000 r5:c6918dc0 r4:c0c2d4e8 [ 126.141269] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 126.149111] r9:c07f4a6c r8:c6ed7f60 r7:c2816000 r6:b6e39000 r5:c6918dc0 r4:00000000 [ 126.156867] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 126.164015] r10:00000004 r9:00000000 r8:00000000 r7:b6e39000 r6:c6ed6000 r5:c6918dc0 [ 126.171850] r4:c6918dc0 [ 126.174395] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 126.181543] r9:c6ed6000 r8:c03002e4 r7:00000004 r6:b6f80e00 r5:00000016 r4:00000016 [ 126.189301] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 126.196878] Exception stack(0xc6ed7fa8 to 0xc6ed7ff0) [ 126.201942] 7fa0: 00000016 00000016 00000001 b6e39000 00000016 00000000 [ 126.210133] 7fc0: 00000016 00000016 b6f80e00 00000004 00000001 00000000 00020000 bed7aa54 [ 126.218319] 7fe0: 00000004 bed7a788 b6eee94f b6e74c66 [ 126.223461] irq event stamp: 0 [ 126.226538] hardirqs last enabled at (0): [<00000000>] 0x0 [ 126.232180] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 126.239757] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 126.247267] softirqs last disabled at (0): [<00000000>] 0x0 [ 126.252914] ---[ end trace dca5c33b5d5179b7 ]--- [ 126.257552] lkdtm: Overflow detected: saturated # [ 125.938986] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW # [ 125.945043] lkdtm: attempting good refcount_add() without overflow # [ 125.951405] lkdtm: attempting bad refcount_add() overflow # [ 125.956843] ------------[ cut here ]------------ # [ 125.961544] WARNING: CPU: 2 PID: 2714 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 125.970038] refcount_t: saturated; leaking memory. # [ 125.974845] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm phy_generic snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 126.004088] CPU: 2 PID: 2714 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 126.011842] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 126.018380] Backtrace: # [ 126.020862] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 126.028448] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f728 # [ 126.034125] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 126.041453] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 126.048427] r9:00000009 r8:c086ce04 r7:00000016 r6:00000009 r5:c086ce04 r4:c1a239e8 # [ 126.056186] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 126.063678] r7:00000016 r6:c1a239e8 r5:c1a239c0 r4:c6ed6000 # [ 126.069356] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 126.078328] r9:c1acf8c0 r8:c15e7d40 r7:c6ed7f60 r6:00000016 r5:c5f35000 r4:c6ed6000 # [ 126.086093] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 126.095765] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_OVERFLOW+0x84/0xa8) # [ 126.105868] [] (lkdtm_REFCOUNT_ADD_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 126.115008] r4:0000002c # [ 126.117555] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 126.125578] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 126.133506] r9:c6ed7f60 r8:c538f000 r7:00000016 r6:b6e39000 r5:c6918dc0 r4:c0c2d4e8 # [ 126.141269] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 126.149111] r9:c07f4a6c r8:c6ed7f60 r7:c2816000 r6:b6e39000 r5:c6918dc0 r4:00000000 # [ 126.156867] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 126.164015] r10:00000004 r9:00000000 r8:00000000 r7:b6e39000 r6:c6ed6000 r5:c6918dc0 # [ 126.171850] r4:c6918dc0 # [ 126.174395] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 126.181543] r9:c6ed6000 r8:c03002e4 r7:00000004 r6:b6f80e00 r5:00000016 r4:00000016 # [ 126.189301] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 126.196878] Exception stack(0xc6ed7fa8 to 0xc6ed7ff0) # [ 126.201942] 7fa0: 00000016 00000016 00000001 b6e39000 00000016 00000000 # [ 126.210133] 7fc0: 00000016 00000016 b6f80e00 00000004 00000001 00000000 00020000 bed7aa54 # [ 126.218319] 7fe0: 00000004 bed7a788 b6eee94f b6e74c66 # [ 126.223461] irq event stamp: 0 # [ 126.226538] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 126.232180] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 126.239757] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 126.247267] softirqs last disabled at (0): [<00000000>] 0x0 # [ 126.252914] ---[ end trace dca5c33b5d5179b7 ]--- # [ 126.257552] lkdtm: Overflow detected: saturated # REFCOUNT_ADD_OVERFLOW: missing 'call trace:': [FAIL] not ok 43 selftests: lkdtm: REFCOUNT_ADD_OVERFLOW.sh # exit=1 # selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh [ 126.767541] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW [ 126.774469] lkdtm: attempting bad refcount_inc_not_zero() overflow [ 126.780848] ------------[ cut here ]------------ [ 126.785540] WARNING: CPU: 1 PID: 2748 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 [ 126.794061] refcount_t: saturated; leaking memory. [ 126.798902] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm phy_generic snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 [ 126.828133] CPU: 1 PID: 2748 Comm: cat Tainted: G D W 5.10.131-cip13 #1 [ 126.835887] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 126.842422] Backtrace: [ 126.844903] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 126.852486] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f728 [ 126.858165] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 126.865495] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 126.872470] r9:00000009 r8:c086cdd0 r7:00000013 r6:00000009 r5:c086cdd0 r4:c1a239e8 [ 126.880229] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 126.887722] r7:00000013 r6:c1a239e8 r5:c1a239c0 r4:c474a000 [ 126.893403] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) [ 126.902374] r9:c1acf8d8 r8:c15e7d40 r7:c474bf60 r6:0000001f r5:c6b02000 r4:7fffffff [ 126.910134] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) [ 126.920584] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x50/0x88) [ 126.932241] r5:c6b02000 r4:c474a000 [ 126.935838] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) [ 126.945759] r4:0000002d [ 126.948306] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 126.956330] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 126.964258] r9:c474bf60 r8:c538f000 r7:0000001f r6:b6e44000 r5:c69e57c0 r4:c0c2d4e8 [ 126.972019] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 126.979861] r9:c07f4a6c r8:c474bf60 r7:c2816000 r6:b6e44000 r5:c69e57c0 r4:00000000 [ 126.987617] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 126.994766] r10:00000004 r9:00000000 r8:00000000 r7:b6e44000 r6:c474a000 r5:c69e57c0 [ 127.002600] r4:c69e57c0 [ 127.005146] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 127.012294] r9:c474a000 r8:c03002e4 r7:00000004 r6:b6f8be00 r5:0000001f r4:0000001f [ 127.020051] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 127.027628] Exception stack(0xc474bfa8 to 0xc474bff0) [ 127.032693] bfa0: 0000001f 0000001f 00000001 b6e44000 0000001f 00000000 [ 127.040885] bfc0: 0000001f 0000001f b6f8be00 00000004 00000001 00000000 00020000 bebc6a54 [ 127.049071] bfe0: 00000004 bebc6788 b6ef994f b6e7fc66 [ 127.054207] irq event stamp: 0 [ 127.057286] hardirqs last enabled at (0): [<00000000>] 0x0 [ 127.062916] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 127.070448] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 127.077973] softirqs last disabled at (0): [<00000000>] 0x0 [ 127.083627] ---[ end trace dca5c33b5d5179b8 ]--- [ 127.088304] lkdtm: Overflow detected: saturated # [ 126.767541] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 126.774469] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 126.780848] ------------[ cut here ]------------ # [ 126.785540] WARNING: CPU: 1 PID: 2748 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 126.794061] refcount_t: saturated; leaking memory. # [ 126.798902] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm phy_generic snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 126.828133] CPU: 1 PID: 2748 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 126.835887] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 126.842422] Backtrace: # [ 126.844903] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 126.852486] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f728 # [ 126.858165] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 126.865495] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 126.872470] r9:00000009 r8:c086cdd0 r7:00000013 r6:00000009 r5:c086cdd0 r4:c1a239e8 # [ 126.880229] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 126.887722] r7:00000013 r6:c1a239e8 r5:c1a239c0 r4:c474a000 # [ 126.893403] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 126.902374] r9:c1acf8d8 r8:c15e7d40 r7:c474bf60 r6:0000001f r5:c6b02000 r4:7fffffff # [ 126.910134] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 126.920584] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x50/0x88) # [ 126.932241] r5:c6b02000 r4:c474a000 # [ 126.935838] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 126.945759] r4:0000002d # [ 126.948306] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 126.956330] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 126.964258] r9:c474bf60 r8:c538f000 r7:0000001f r6:b6e44000 r5:c69e57c0 r4:c0c2d4e8 # [ 126.972019] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 126.979861] r9:c07f4a6c r8:c474bf60 r7:c2816000 r6:b6e44000 r5:c69e57c0 r4:00000000 # [ 126.987617] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 126.994766] r10:00000004 r9:00000000 r8:00000000 r7:b6e44000 r6:c474a000 r5:c69e57c0 # [ 127.002600] r4:c69e57c0 # [ 127.005146] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 127.012294] r9:c474a000 r8:c03002e4 r7:00000004 r6:b6f8be00 r5:0000001f r4:0000001f # [ 127.020051] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 127.027628] Exception stack(0xc474bfa8 to 0xc474bff0) # [ 127.032693] bfa0: 0000001f 0000001f 00000001 b6e44000 0000001f 00000000 # [ 127.040885] bfc0: 0000001f 0000001f b6f8be00 00000004 00000001 00000000 00020000 bebc6a54 # [ 127.049071] bfe0: 00000004 bebc6788 b6ef994f b6e7fc66 # [ 127.054207] irq event stamp: 0 # [ 127.057286] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 127.062916] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 127.070448] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 127.077973] softirqs last disabled at (0): [<00000000>] 0x0 # [ 127.083627] ---[ end trace dca5c33b5d5179b8 ]--- # [ 127.088304] lkdtm: Overflow detected: saturated # REFCOUNT_INC_NOT_ZERO_OVERFLOW: missing 'call trace:': [FAIL] not ok 44 selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh # exit=1 # selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh [ 127.592503] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW [ 127.599447] lkdtm: attempting bad refcount_add_not_zero() overflow [ 127.605669] ------------[ cut here ]------------ [ 127.610428] WARNING: CPU: 2 PID: 2782 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 [ 127.618929] refcount_t: saturated; leaking memory. [ 127.623736] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm phy_generic snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 [ 127.652969] CPU: 2 PID: 2782 Comm: cat Tainted: G D W 5.10.131-cip13 #1 [ 127.660723] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 127.667258] Backtrace: [ 127.669740] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 127.677324] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f728 [ 127.683002] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 127.690330] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 127.697305] r9:00000009 r8:c086cdd0 r7:00000013 r6:00000009 r5:c086cdd0 r4:c1a239e8 [ 127.705064] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 127.712558] r7:00000013 r6:c1a239e8 r5:c1a239c0 r4:c474e000 [ 127.718238] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) [ 127.727209] r9:c1acf8f8 r8:c15e7d40 r7:c474ff60 r6:0000001f r5:c5f35000 r4:7fffffff [ 127.734971] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) [ 127.745423] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x50/0x88) [ 127.757079] r5:c5f35000 r4:c474e000 [ 127.760677] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) [ 127.770597] r4:0000002e [ 127.773145] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 127.781168] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 127.789096] r9:c474ff60 r8:c538f000 r7:0000001f r6:b6e67000 r5:c69408c0 r4:c0c2d4e8 [ 127.796859] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 127.804701] r9:c07f4a6c r8:c474ff60 r7:c2816000 r6:b6e67000 r5:c69408c0 r4:00000000 [ 127.812457] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 127.819604] r10:00000004 r9:00000000 r8:00000000 r7:b6e67000 r6:c474e000 r5:c69408c0 [ 127.827439] r4:c69408c0 [ 127.829986] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 127.837134] r9:c474e000 r8:c03002e4 r7:00000004 r6:b6faee00 r5:0000001f r4:0000001f [ 127.844892] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 127.852471] Exception stack(0xc474ffa8 to 0xc474fff0) [ 127.857534] ffa0: 0000001f 0000001f 00000001 b6e67000 0000001f 00000000 [ 127.865724] ffc0: 0000001f 0000001f b6faee00 00000004 00000001 00000000 00020000 beea7a54 [ 127.873911] ffe0: 00000004 beea7788 b6f1c94f b6ea2c66 [ 127.879038] irq event stamp: 0 [ 127.882116] hardirqs last enabled at (0): [<00000000>] 0x0 [ 127.887712] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 127.895251] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 127.902812] softirqs last disabled at (0): [<00000000>] 0x0 [ 127.908444] ---[ end trace dca5c33b5d5179b9 ]--- [ 127.913082] lkdtm: Overflow detected: saturated # [ 127.592503] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 127.599447] lkdtm: attempting bad refcount_add_not_zero() overflow # [ 127.605669] ------------[ cut here ]------------ # [ 127.610428] WARNING: CPU: 2 PID: 2782 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 127.618929] refcount_t: saturated; leaking memory. # [ 127.623736] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm phy_generic snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 127.652969] CPU: 2 PID: 2782 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 127.660723] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 127.667258] Backtrace: # [ 127.669740] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 127.677324] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f728 # [ 127.683002] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 127.690330] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 127.697305] r9:00000009 r8:c086cdd0 r7:00000013 r6:00000009 r5:c086cdd0 r4:c1a239e8 # [ 127.705064] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 127.712558] r7:00000013 r6:c1a239e8 r5:c1a239c0 r4:c474e000 # [ 127.718238] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 127.727209] r9:c1acf8f8 r8:c15e7d40 r7:c474ff60 r6:0000001f r5:c5f35000 r4:7fffffff # [ 127.734971] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 127.745423] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x50/0x88) # [ 127.757079] r5:c5f35000 r4:c474e000 # [ 127.760677] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 127.770597] r4:0000002e # [ 127.773145] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 127.781168] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 127.789096] r9:c474ff60 r8:c538f000 r7:0000001f r6:b6e67000 r5:c69408c0 r4:c0c2d4e8 # [ 127.796859] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 127.804701] r9:c07f4a6c r8:c474ff60 r7:c2816000 r6:b6e67000 r5:c69408c0 r4:00000000 # [ 127.812457] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 127.819604] r10:00000004 r9:00000000 r8:00000000 r7:b6e67000 r6:c474e000 r5:c69408c0 # [ 127.827439] r4:c69408c0 # [ 127.829986] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 127.837134] r9:c474e000 r8:c03002e4 r7:00000004 r6:b6faee00 r5:0000001f r4:0000001f # [ 127.844892] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 127.852471] Exception stack(0xc474ffa8 to 0xc474fff0) # [ 127.857534] ffa0: 0000001f 0000001f 00000001 b6e67000 0000001f 00000000 # [ 127.865724] ffc0: 0000001f 0000001f b6faee00 00000004 00000001 00000000 00020000 beea7a54 # [ 127.873911] ffe0: 00000004 beea7788 b6f1c94f b6ea2c66 # [ 127.879038] irq event stamp: 0 # [ 127.882116] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 127.887712] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 127.895251] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 127.902812] softirqs last disabled at (0): [<00000000>] 0x0 # [ 127.908444] ---[ end trace dca5c33b5d5179b9 ]--- # [ 127.913082] lkdtm: Overflow detected: saturated # REFCOUNT_ADD_NOT_ZERO_OVERFLOW: missing 'call trace:': [FAIL] not ok 45 selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh # exit=1 # selftests: lkdtm: REFCOUNT_DEC_ZERO.sh [ 128.439953] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO [ 128.445639] lkdtm: attempting good refcount_dec() [ 128.450439] lkdtm: attempting bad refcount_dec() to zero [ 128.455769] ------------[ cut here ]------------ [ 128.460459] WARNING: CPU: 2 PID: 2816 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 [ 128.468947] refcount_t: decrement hit 0; leaking memory. [ 128.474273] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm phy_generic snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 [ 128.503513] CPU: 2 PID: 2816 Comm: cat Tainted: G D W 5.10.131-cip13 #1 [ 128.511267] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 128.517802] Backtrace: [ 128.520283] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 128.527867] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f728 [ 128.533544] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 128.540869] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 128.547845] r9:00000009 r8:c086cd9c r7:0000001f r6:00000009 r5:c086cd9c r4:c1a239e8 [ 128.555607] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 128.563102] r7:0000001f r6:c1a239e8 r5:c1a23a4c r4:c6dfe000 [ 128.568780] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) [ 128.577752] r9:c1acf918 r8:c15e7d40 r7:c6dfff60 r6:00000012 r5:c6bb1000 r4:c6dfe000 [ 128.585516] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) [ 128.595185] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_ZERO+0x5c/0xd8) [ 128.604947] [] (lkdtm_REFCOUNT_DEC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) [ 128.613740] r4:0000002f [ 128.616287] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 128.624310] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 128.632238] r9:c6dfff60 r8:c538f000 r7:00000012 r6:b6e7a000 r5:c6940dc0 r4:c0c2d4e8 [ 128.639998] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 128.647841] r9:c07f4a6c r8:c6dfff60 r7:c2816000 r6:b6e7a000 r5:c6940dc0 r4:00000000 [ 128.655596] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 128.662743] r10:00000004 r9:00000000 r8:00000000 r7:b6e7a000 r6:c6dfe000 r5:c6940dc0 [ 128.670580] r4:c6940dc0 [ 128.673126] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 128.680274] r9:c6dfe000 r8:c03002e4 r7:00000004 r6:b6fc1e00 r5:00000012 r4:00000012 [ 128.688032] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 128.695608] Exception stack(0xc6dfffa8 to 0xc6dffff0) [ 128.700673] ffa0: 00000012 00000012 00000001 b6e7a000 00000012 00000000 [ 128.708862] ffc0: 00000012 00000012 b6fc1e00 00000004 00000001 00000000 00020000 be8c2a54 [ 128.717048] ffe0: 00000004 be8c2788 b6f2f94f b6eb5c66 [ 128.722177] irq event stamp: 0 [ 128.725256] hardirqs last enabled at (0): [<00000000>] 0x0 [ 128.730881] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 128.738427] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 128.745958] softirqs last disabled at (0): [<00000000>] 0x0 [ 128.751600] ---[ end trace dca5c33b5d5179ba ]--- [ 128.756235] lkdtm: Zero detected: saturated # [ 128.439953] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO # [ 128.445639] lkdtm: attempting good refcount_dec() # [ 128.450439] lkdtm: attempting bad refcount_dec() to zero # [ 128.455769] ------------[ cut here ]------------ # [ 128.460459] WARNING: CPU: 2 PID: 2816 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 # [ 128.468947] refcount_t: decrement hit 0; leaking memory. # [ 128.474273] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm phy_generic snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 128.503513] CPU: 2 PID: 2816 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 128.511267] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 128.517802] Backtrace: # [ 128.520283] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 128.527867] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f728 # [ 128.533544] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 128.540869] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 128.547845] r9:00000009 r8:c086cd9c r7:0000001f r6:00000009 r5:c086cd9c r4:c1a239e8 # [ 128.555607] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 128.563102] r7:0000001f r6:c1a239e8 r5:c1a23a4c r4:c6dfe000 # [ 128.568780] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) # [ 128.577752] r9:c1acf918 r8:c15e7d40 r7:c6dfff60 r6:00000012 r5:c6bb1000 r4:c6dfe000 # [ 128.585516] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) # [ 128.595185] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_ZERO+0x5c/0xd8) # [ 128.604947] [] (lkdtm_REFCOUNT_DEC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 128.613740] r4:0000002f # [ 128.616287] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 128.624310] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 128.632238] r9:c6dfff60 r8:c538f000 r7:00000012 r6:b6e7a000 r5:c6940dc0 r4:c0c2d4e8 # [ 128.639998] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 128.647841] r9:c07f4a6c r8:c6dfff60 r7:c2816000 r6:b6e7a000 r5:c6940dc0 r4:00000000 # [ 128.655596] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 128.662743] r10:00000004 r9:00000000 r8:00000000 r7:b6e7a000 r6:c6dfe000 r5:c6940dc0 # [ 128.670580] r4:c6940dc0 # [ 128.673126] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 128.680274] r9:c6dfe000 r8:c03002e4 r7:00000004 r6:b6fc1e00 r5:00000012 r4:00000012 # [ 128.688032] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 128.695608] Exception stack(0xc6dfffa8 to 0xc6dffff0) # [ 128.700673] ffa0: 00000012 00000012 00000001 b6e7a000 00000012 00000000 # [ 128.708862] ffc0: 00000012 00000012 b6fc1e00 00000004 00000001 00000000 00020000 be8c2a54 # [ 128.717048] ffe0: 00000004 be8c2788 b6f2f94f b6eb5c66 # [ 128.722177] irq event stamp: 0 # [ 128.725256] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 128.730881] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 128.738427] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 128.745958] softirqs last disabled at (0): [<00000000>] 0x0 # [ 128.751600] ---[ end trace dca5c33b5d5179ba ]--- # [ 128.756235] lkdtm: Zero detected: saturated # REFCOUNT_DEC_ZERO: missing 'call trace:': [FAIL] not ok 46 selftests: lkdtm: REFCOUNT_DEC_ZERO.sh # exit=1 # selftests: lkdtm: REFCOUNT_DEC_NEGATIVE.sh [ 129.319765] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE [ 129.325797] lkdtm: attempting bad refcount_dec() below zero [ 129.331434] ------------[ cut here ]------------ [ 129.336090] WARNING: CPU: 2 PID: 2853 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 [ 129.344601] refcount_t: decrement hit 0; leaking memory. [ 129.349982] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm phy_generic snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 [ 129.379216] CPU: 2 PID: 2853 Comm: cat Tainted: G D W 5.10.131-cip13 #1 [ 129.386969] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 129.393507] Backtrace: [ 129.395988] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 129.403572] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f728 [ 129.409250] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 129.416579] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 129.423555] r9:00000009 r8:c086cd9c r7:0000001f r6:00000009 r5:c086cd9c r4:c1a239e8 [ 129.431317] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 129.438810] r7:0000001f r6:c1a239e8 r5:c1a23a4c r4:c474e000 [ 129.444491] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) [ 129.453465] r9:c1acf92c r8:c15e7d40 r7:c474ff60 r6:00000016 r5:00000000 r4:c474e000 [ 129.461228] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) [ 129.470898] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_NEGATIVE+0x48/0x70) [ 129.481005] [] (lkdtm_REFCOUNT_DEC_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) [ 129.490145] r5:c6bb1000 r4:00000030 [ 129.493736] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 129.501757] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 129.509688] r9:c474ff60 r8:c538f000 r7:00000016 r6:b6de7000 r5:c6941180 r4:c0c2d4e8 [ 129.517447] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 129.525288] r9:c07f4a6c r8:c474ff60 r7:c2816000 r6:b6de7000 r5:c6941180 r4:00000000 [ 129.533045] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 129.540192] r10:00000004 r9:00000000 r8:00000000 r7:b6de7000 r6:c474e000 r5:c6941180 [ 129.548027] r4:c6941180 [ 129.550575] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 129.557722] r9:c474e000 r8:c03002e4 r7:00000004 r6:b6f2ee00 r5:00000016 r4:00000016 [ 129.565481] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 129.573058] Exception stack(0xc474ffa8 to 0xc474fff0) [ 129.578123] ffa0: 00000016 00000016 00000001 b6de7000 00000016 00000000 [ 129.586313] ffc0: 00000016 00000016 b6f2ee00 00000004 00000001 00000000 00020000 be9e2a54 [ 129.594498] ffe0: 00000004 be9e2788 b6e9c94f b6e22c66 [ 129.599661] irq event stamp: 0 [ 129.602751] hardirqs last enabled at (0): [<00000000>] 0x0 [ 129.608391] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 129.615898] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 129.623431] softirqs last disabled at (0): [<00000000>] 0x0 [ 129.629064] ---[ end trace dca5c33b5d5179bb ]--- [ 129.633698] lkdtm: Negative detected: saturated # [ 129.319765] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 129.325797] lkdtm: attempting bad refcount_dec() below zero # [ 129.331434] ------------[ cut here ]------------ # [ 129.336090] WARNING: CPU: 2 PID: 2853 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 # [ 129.344601] refcount_t: decrement hit 0; leaking memory. # [ 129.349982] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm phy_generic snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 129.379216] CPU: 2 PID: 2853 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 129.386969] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 129.393507] Backtrace: # [ 129.395988] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 129.403572] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f728 # [ 129.409250] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 129.416579] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 129.423555] r9:00000009 r8:c086cd9c r7:0000001f r6:00000009 r5:c086cd9c r4:c1a239e8 # [ 129.431317] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 129.438810] r7:0000001f r6:c1a239e8 r5:c1a23a4c r4:c474e000 # [ 129.444491] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) # [ 129.453465] r9:c1acf92c r8:c15e7d40 r7:c474ff60 r6:00000016 r5:00000000 r4:c474e000 # [ 129.461228] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) # [ 129.470898] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_NEGATIVE+0x48/0x70) # [ 129.481005] [] (lkdtm_REFCOUNT_DEC_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 129.490145] r5:c6bb1000 r4:00000030 # [ 129.493736] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 129.501757] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 129.509688] r9:c474ff60 r8:c538f000 r7:00000016 r6:b6de7000 r5:c6941180 r4:c0c2d4e8 # [ 129.517447] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 129.525288] r9:c07f4a6c r8:c474ff60 r7:c2816000 r6:b6de7000 r5:c6941180 r4:00000000 # [ 129.533045] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 129.540192] r10:00000004 r9:00000000 r8:00000000 r7:b6de7000 r6:c474e000 r5:c6941180 # [ 129.548027] r4:c6941180 # [ 129.550575] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 129.557722] r9:c474e000 r8:c03002e4 r7:00000004 r6:b6f2ee00 r5:00000016 r4:00000016 # [ 129.565481] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 129.573058] Exception stack(0xc474ffa8 to 0xc474fff0) # [ 129.578123] ffa0: 00000016 00000016 00000001 b6de7000 00000016 00000000 # [ 129.586313] ffc0: 00000016 00000016 b6f2ee00 00000004 00000001 00000000 00020000 be9e2a54 # [ 129.594498] ffe0: 00000004 be9e2788 b6e9c94f b6e22c66 # [ 129.599661] irq event stamp: 0 # [ 129.602751] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 129.608391] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 129.615898] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 129.623431] softirqs last disabled at (0): [<00000000>] 0x0 # [ 129.629064] ---[ end trace dca5c33b5d5179bb ]--- # [ 129.633698] lkdtm: Negative detected: saturated # REFCOUNT_DEC_NEGATIVE: saw 'Negative detected: saturated': ok ok 47 selftests: lkdtm: REFCOUNT_DEC_NEGATIVE.sh # selftests: lkdtm: REFCOUNT_DEC_AND_TEST_NEGATIVE.sh [ 130.151575] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE [ 130.158487] lkdtm: attempting bad refcount_dec_and_test() below zero [ 130.164900] ------------[ cut here ]------------ [ 130.169685] WARNING: CPU: 0 PID: 2888 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 [ 130.178225] refcount_t: underflow; use-after-free. [ 130.183083] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm phy_generic snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 [ 130.212334] CPU: 0 PID: 2888 Comm: cat Tainted: G D W 5.10.131-cip13 #1 [ 130.220086] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 130.226620] Backtrace: [ 130.229102] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 130.236685] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f728 [ 130.242361] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 130.249687] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 130.256661] r9:00000009 r8:c086ce6c r7:0000001c r6:00000009 r5:c086ce6c r4:c1a239e8 [ 130.264419] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 130.271914] r7:0000001c r6:c1a239e8 r5:c1a23a24 r4:c5846000 [ 130.277592] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) [ 130.286650] r9:c1acf944 r8:c15e7d40 r7:c5847f60 r6:0000001f r5:00000000 r4:c5846000 [ 130.294417] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) [ 130.304873] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x50/0x8c) [ 130.316539] [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) [ 130.326459] r5:c2fc0000 r4:00000031 [ 130.330049] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 130.338071] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 130.345999] r9:c5847f60 r8:c538f000 r7:0000001f r6:b6e08000 r5:c5b5d540 r4:c0c2d4e8 [ 130.353760] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 130.361603] r9:c07f4a6c r8:c5847f60 r7:c2816000 r6:b6e08000 r5:c5b5d540 r4:00000000 [ 130.369359] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 130.376506] r10:00000004 r9:00000000 r8:00000000 r7:b6e08000 r6:c5846000 r5:c5b5d540 [ 130.384341] r4:c5b5d540 [ 130.386886] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 130.394033] r9:c5846000 r8:c03002e4 r7:00000004 r6:b6f4fe00 r5:0000001f r4:0000001f [ 130.401791] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 130.409369] Exception stack(0xc5847fa8 to 0xc5847ff0) [ 130.414434] 7fa0: 0000001f 0000001f 00000001 b6e08000 0000001f 00000000 [ 130.422624] 7fc0: 0000001f 0000001f b6f4fe00 00000004 00000001 00000000 00020000 bed9da54 [ 130.430809] 7fe0: 00000004 bed9d788 b6ebd94f b6e43c66 [ 130.435928] irq event stamp: 0 [ 130.439035] hardirqs last enabled at (0): [<00000000>] 0x0 [ 130.444631] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 130.452190] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 130.459748] softirqs last disabled at (0): [<00000000>] 0x0 [ 130.465340] ---[ end trace dca5c33b5d5179bc ]--- [ 130.470009] lkdtm: Negative detected: saturated # [ 130.151575] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 130.158487] lkdtm: attempting bad refcount_dec_and_test() below zero # [ 130.164900] ------------[ cut here ]------------ # [ 130.169685] WARNING: CPU: 0 PID: 2888 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 130.178225] refcount_t: underflow; use-after-free. # [ 130.183083] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm phy_generic snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 130.212334] CPU: 0 PID: 2888 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 130.220086] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 130.226620] Backtrace: # [ 130.229102] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 130.236685] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f728 # [ 130.242361] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 130.249687] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 130.256661] r9:00000009 r8:c086ce6c r7:0000001c r6:00000009 r5:c086ce6c r4:c1a239e8 # [ 130.264419] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 130.271914] r7:0000001c r6:c1a239e8 r5:c1a23a24 r4:c5846000 # [ 130.277592] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 130.286650] r9:c1acf944 r8:c15e7d40 r7:c5847f60 r6:0000001f r5:00000000 r4:c5846000 # [ 130.294417] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 130.304873] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x50/0x8c) # [ 130.316539] [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 130.326459] r5:c2fc0000 r4:00000031 # [ 130.330049] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 130.338071] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 130.345999] r9:c5847f60 r8:c538f000 r7:0000001f r6:b6e08000 r5:c5b5d540 r4:c0c2d4e8 # [ 130.353760] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 130.361603] r9:c07f4a6c r8:c5847f60 r7:c2816000 r6:b6e08000 r5:c5b5d540 r4:00000000 # [ 130.369359] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 130.376506] r10:00000004 r9:00000000 r8:00000000 r7:b6e08000 r6:c5846000 r5:c5b5d540 # [ 130.384341] r4:c5b5d540 # [ 130.386886] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 130.394033] r9:c5846000 r8:c03002e4 r7:00000004 r6:b6f4fe00 r5:0000001f r4:0000001f # [ 130.401791] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 130.409369] Exception stack(0xc5847fa8 to 0xc5847ff0) # [ 130.414434] 7fa0: 0000001f 0000001f 00000001 b6e08000 0000001f 00000000 # [ 130.422624] 7fc0: 0000001f 0000001f b6f4fe00 00000004 00000001 00000000 00020000 bed9da54 # [ 130.430809] 7fe0: 00000004 bed9d788 b6ebd94f b6e43c66 # [ 130.435928] irq event stamp: 0 # [ 130.439035] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 130.444631] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 130.452190] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 130.459748] softirqs last disabled at (0): [<00000000>] 0x0 # [ 130.465340] ---[ end trace dca5c33b5d5179bc ]--- # [ 130.470009] lkdtm: Negative detected: saturated # REFCOUNT_DEC_AND_TEST_NEGATIVE: saw 'Negative detected: saturated': ok ok 48 selftests: lkdtm: REFCOUNT_DEC_AND_TEST_NEGATIVE.sh # selftests: lkdtm: REFCOUNT_SUB_AND_TEST_NEGATIVE.sh [ 131.054295] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE [ 131.061273] lkdtm: attempting bad refcount_sub_and_test() below zero [ 131.067665] ------------[ cut here ]------------ [ 131.072478] WARNING: CPU: 1 PID: 2923 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 [ 131.081133] refcount_t: underflow; use-after-free. [ 131.085962] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm phy_generic snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 [ 131.115572] CPU: 1 PID: 2923 Comm: cat Tainted: G D W 5.10.131-cip13 #1 [ 131.123344] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 131.129892] Backtrace: [ 131.132410] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 131.140017] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f728 [ 131.145719] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 131.153069] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 131.160063] r9:00000009 r8:c086ce6c r7:0000001c r6:00000009 r5:c086ce6c r4:c1a239e8 [ 131.167846] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 131.175358] r7:0000001c r6:c1a239e8 r5:c1a23a24 r4:c6ed2000 [ 131.181063] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) [ 131.190141] r9:c1acf964 r8:c15e7d40 r7:c6ed3f60 r6:0000001f r5:c6b02000 r4:c6ed2000 [ 131.197937] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) [ 131.208417] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x50/0x8c) [ 131.220107] [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) [ 131.230041] r4:00000032 [ 131.232612] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 131.240656] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 131.248604] r9:c6ed3f60 r8:c538f000 r7:0000001f r6:b6e4e000 r5:c5b75900 r4:c0c2d4e8 [ 131.256386] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 131.264248] r9:c07f4a6c r8:c6ed3f60 r7:c2816000 r6:b6e4e000 r5:c5b75900 r4:00000000 [ 131.272022] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 131.279188] r10:00000004 r9:00000000 r8:00000000 r7:b6e4e000 r6:c6ed2000 r5:c5b75900 [ 131.287036] r4:c5b75900 [ 131.289602] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 131.296767] r9:c6ed2000 r8:c03002e4 r7:00000004 r6:b6f95e00 r5:0000001f r4:0000001f [ 131.304545] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 131.312135] Exception stack(0xc6ed3fa8 to 0xc6ed3ff0) [ 131.317217] 3fa0: 0000001f 0000001f 00000001 b6e4e000 0000001f 00000000 [ 131.325426] 3fc0: 0000001f 0000001f b6f95e00 00000004 00000001 00000000 00020000 beec1a54 [ 131.333627] 3fe0: 00000004 beec1788 b6f0394f b6e89c66 [ 131.338850] irq event stamp: 0 [ 131.341969] hardirqs last enabled at (0): [<00000000>] 0x0 [ 131.347593] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 131.355197] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 131.362780] softirqs last disabled at (0): [<00000000>] 0x0 [ 131.368439] ---[ end trace dca5c33b5d5179bd ]--- [ 131.373092] lkdtm: Negative detected: saturated # [ 131.054295] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 131.061273] lkdtm: attempting bad refcount_sub_and_test() below zero # [ 131.067665] ------------[ cut here ]------------ # [ 131.072478] WARNING: CPU: 1 PID: 2923 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 131.081133] refcount_t: underflow; use-after-free. # [ 131.085962] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm phy_generic snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 131.115572] CPU: 1 PID: 2923 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 131.123344] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 131.129892] Backtrace: # [ 131.132410] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 131.140017] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f728 # [ 131.145719] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 131.153069] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 131.160063] r9:00000009 r8:c086ce6c r7:0000001c r6:00000009 r5:c086ce6c r4:c1a239e8 # [ 131.167846] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 131.175358] r7:0000001c r6:c1a239e8 r5:c1a23a24 r4:c6ed2000 # [ 131.181063] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 131.190141] r9:c1acf964 r8:c15e7d40 r7:c6ed3f60 r6:0000001f r5:c6b02000 r4:c6ed2000 # [ 131.197937] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 131.208417] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x50/0x8c) # [ 131.220107] [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 131.230041] r4:00000032 # [ 131.232612] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 131.240656] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 131.248604] r9:c6ed3f60 r8:c538f000 r7:0000001f r6:b6e4e000 r5:c5b75900 r4:c0c2d4e8 # [ 131.256386] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 131.264248] r9:c07f4a6c r8:c6ed3f60 r7:c2816000 r6:b6e4e000 r5:c5b75900 r4:00000000 # [ 131.272022] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 131.279188] r10:00000004 r9:00000000 r8:00000000 r7:b6e4e000 r6:c6ed2000 r5:c5b75900 # [ 131.287036] r4:c5b75900 # [ 131.289602] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 131.296767] r9:c6ed2000 r8:c03002e4 r7:00000004 r6:b6f95e00 r5:0000001f r4:0000001f # [ 131.304545] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 131.312135] Exception stack(0xc6ed3fa8 to 0xc6ed3ff0) # [ 131.317217] 3fa0: 0000001f 0000001f 00000001 b6e4e000 0000001f 00000000 # [ 131.325426] 3fc0: 0000001f 0000001f b6f95e00 00000004 00000001 00000000 00020000 beec1a54 # [ 131.333627] 3fe0: 00000004 beec1788 b6f0394f b6e89c66 # [ 131.338850] irq event stamp: 0 # [ 131.341969] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 131.347593] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 131.355197] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 131.362780] softirqs last disabled at (0): [<00000000>] 0x0 # [ 131.368439] ---[ end trace dca5c33b5d5179bd ]--- # [ 131.373092] 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 [ 131.949922] lkdtm: Performing direct entry REFCOUNT_INC_ZERO [ 131.955633] lkdtm: attempting safe refcount_inc_not_zero() from zero [ 131.962065] lkdtm: Good: zero detected [ 131.965831] lkdtm: Correctly stayed at zero [ 131.970091] lkdtm: attempting bad refcount_inc() from zero [ 131.975592] ------------[ cut here ]------------ [ 131.980291] WARNING: CPU: 2 PID: 2955 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 [ 131.988881] refcount_t: addition on 0; use-after-free. [ 131.994035] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm phy_generic snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 [ 132.023283] CPU: 2 PID: 2955 Comm: cat Tainted: G D W 5.10.131-cip13 #1 [ 132.031038] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 132.037572] Backtrace: [ 132.040056] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 132.047639] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f728 [ 132.053316] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 132.060643] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 132.067619] r9:00000009 r8:c086ce38 r7:00000019 r6:00000009 r5:c086ce38 r4:c1a239e8 [ 132.075381] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 132.082875] r7:00000019 r6:c1a239e8 r5:c1a239f8 r4:c5b0a000 [ 132.088556] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) [ 132.097615] r9:c1acf984 r8:c15e7d40 r7:c5b0bf60 r6:00000012 r5:00000000 r4:c5b0a000 [ 132.105381] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) [ 132.115056] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_ZERO+0xa8/0xcc) [ 132.124813] [] (lkdtm_REFCOUNT_INC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) [ 132.133605] r5:c5f35000 r4:00000033 [ 132.137195] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 132.145217] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 132.153147] r9:c5b0bf60 r8:c538f000 r7:00000012 r6:b6eac000 r5:c5a94c80 r4:c0c2d4e8 [ 132.160907] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 132.168750] r9:c07f4a6c r8:c5b0bf60 r7:c2816000 r6:b6eac000 r5:c5a94c80 r4:00000000 [ 132.176505] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 132.183652] r10:00000004 r9:00000000 r8:00000000 r7:b6eac000 r6:c5b0a000 r5:c5a94c80 [ 132.191489] r4:c5a94c80 [ 132.194036] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 132.201183] r9:c5b0a000 r8:c03002e4 r7:00000004 r6:b6ff3e00 r5:00000012 r4:00000012 [ 132.208942] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 132.216519] Exception stack(0xc5b0bfa8 to 0xc5b0bff0) [ 132.221583] bfa0: 00000012 00000012 00000001 b6eac000 00000012 00000000 [ 132.229772] bfc0: 00000012 00000012 b6ff3e00 00000004 00000001 00000000 00020000 be9aea54 [ 132.237959] bfe0: 00000004 be9ae788 b6f6194f b6ee7c66 [ 132.243091] irq event stamp: 0 [ 132.246169] hardirqs last enabled at (0): [<00000000>] 0x0 [ 132.251798] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 132.259343] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 132.266885] softirqs last disabled at (0): [<00000000>] 0x0 [ 132.272545] ---[ end trace dca5c33b5d5179be ]--- [ 132.277189] lkdtm: Zero detected: saturated # [ 131.949922] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 131.955633] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 131.962065] lkdtm: Good: zero detected # [ 131.965831] lkdtm: Correctly stayed at zero # [ 131.970091] lkdtm: attempting bad refcount_inc() from zero # [ 131.975592] ------------[ cut here ]------------ # [ 131.980291] WARNING: CPU: 2 PID: 2955 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 # [ 131.988881] refcount_t: addition on 0; use-after-free. # [ 131.994035] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm phy_generic snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 132.023283] CPU: 2 PID: 2955 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 132.031038] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 132.037572] Backtrace: # [ 132.040056] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 132.047639] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f728 # [ 132.053316] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 132.060643] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 132.067619] r9:00000009 r8:c086ce38 r7:00000019 r6:00000009 r5:c086ce38 r4:c1a239e8 # [ 132.075381] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 132.082875] r7:00000019 r6:c1a239e8 r5:c1a239f8 r4:c5b0a000 # [ 132.088556] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) # [ 132.097615] r9:c1acf984 r8:c15e7d40 r7:c5b0bf60 r6:00000012 r5:00000000 r4:c5b0a000 # [ 132.105381] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) # [ 132.115056] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_ZERO+0xa8/0xcc) # [ 132.124813] [] (lkdtm_REFCOUNT_INC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 132.133605] r5:c5f35000 r4:00000033 # [ 132.137195] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 132.145217] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 132.153147] r9:c5b0bf60 r8:c538f000 r7:00000012 r6:b6eac000 r5:c5a94c80 r4:c0c2d4e8 # [ 132.160907] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 132.168750] r9:c07f4a6c r8:c5b0bf60 r7:c2816000 r6:b6eac000 r5:c5a94c80 r4:00000000 # [ 132.176505] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 132.183652] r10:00000004 r9:00000000 r8:00000000 r7:b6eac000 r6:c5b0a000 r5:c5a94c80 # [ 132.191489] r4:c5a94c80 # [ 132.194036] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 132.201183] r9:c5b0a000 r8:c03002e4 r7:00000004 r6:b6ff3e00 r5:00000012 r4:00000012 # [ 132.208942] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 132.216519] Exception stack(0xc5b0bfa8 to 0xc5b0bff0) # [ 132.221583] bfa0: 00000012 00000012 00000001 b6eac000 00000012 00000000 # [ 132.229772] bfc0: 00000012 00000012 b6ff3e00 00000004 00000001 00000000 00020000 be9aea54 # [ 132.237959] bfe0: 00000004 be9ae788 b6f6194f b6ee7c66 # [ 132.243091] irq event stamp: 0 # [ 132.246169] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 132.251798] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 132.259343] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 132.266885] softirqs last disabled at (0): [<00000000>] 0x0 # [ 132.272545] ---[ end trace dca5c33b5d5179be ]--- # [ 132.277189] lkdtm: Zero detected: saturated # REFCOUNT_INC_ZERO: missing 'call trace:': [FAIL] not ok 50 selftests: lkdtm: REFCOUNT_INC_ZERO.sh # exit=1 # selftests: lkdtm: REFCOUNT_ADD_ZERO.sh [ 132.833444] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO [ 132.839300] lkdtm: attempting safe refcount_add_not_zero() from zero [ 132.845694] lkdtm: Good: zero detected [ 132.849522] lkdtm: Correctly stayed at zero [ 132.853721] lkdtm: attempting bad refcount_add() from zero [ 132.859272] ------------[ cut here ]------------ [ 132.863926] WARNING: CPU: 3 PID: 2989 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 [ 132.872506] refcount_t: addition on 0; use-after-free. [ 132.877659] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm phy_generic snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 [ 132.906898] CPU: 3 PID: 2989 Comm: cat Tainted: G D W 5.10.131-cip13 #1 [ 132.914652] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 132.921188] Backtrace: [ 132.923671] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 132.931253] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f728 [ 132.936931] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 132.944258] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 132.951232] r9:00000009 r8:c086ce38 r7:00000019 r6:00000009 r5:c086ce38 r4:c1a239e8 [ 132.958993] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 132.966485] r7:00000019 r6:c1a239e8 r5:c1a239f8 r4:c6c98000 [ 132.972165] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) [ 132.981223] r9:c1acf998 r8:c15e7d40 r7:c6c99f60 r6:00000012 r5:00000000 r4:c6c98000 [ 132.988991] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) [ 132.998665] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_ZERO+0xa8/0xcc) [ 133.008421] [] (lkdtm_REFCOUNT_ADD_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) [ 133.017213] r5:c6caf000 r4:00000034 [ 133.020804] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 133.028825] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 133.036756] r9:c6c99f60 r8:c538f000 r7:00000012 r6:b6ea6000 r5:c5a33680 r4:c0c2d4e8 [ 133.044519] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 133.052361] r9:c07f4a6c r8:c6c99f60 r7:c2816000 r6:b6ea6000 r5:c5a33680 r4:00000000 [ 133.060118] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 133.067266] r10:00000004 r9:00000000 r8:00000000 r7:b6ea6000 r6:c6c98000 r5:c5a33680 [ 133.075102] r4:c5a33680 [ 133.077648] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 133.084795] r9:c6c98000 r8:c03002e4 r7:00000004 r6:b6fede00 r5:00000012 r4:00000012 [ 133.092555] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 133.100132] Exception stack(0xc6c99fa8 to 0xc6c99ff0) [ 133.105198] 9fa0: 00000012 00000012 00000001 b6ea6000 00000012 00000000 [ 133.113388] 9fc0: 00000012 00000012 b6fede00 00000004 00000001 00000000 00020000 bee79a54 [ 133.121573] 9fe0: 00000004 bee79788 b6f5b94f b6ee1c66 [ 133.126756] irq event stamp: 0 [ 133.129870] hardirqs last enabled at (0): [<00000000>] 0x0 [ 133.135467] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 133.143013] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 133.150620] softirqs last disabled at (0): [<00000000>] 0x0 [ 133.156235] ---[ end trace dca5c33b5d5179bf ]--- [ 133.160922] lkdtm: Zero detected: saturated # [ 132.833444] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 132.839300] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 132.845694] lkdtm: Good: zero detected # [ 132.849522] lkdtm: Correctly stayed at zero # [ 132.853721] lkdtm: attempting bad refcount_add() from zero # [ 132.859272] ------------[ cut here ]------------ # [ 132.863926] WARNING: CPU: 3 PID: 2989 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 # [ 132.872506] refcount_t: addition on 0; use-after-free. # [ 132.877659] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm phy_generic snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 132.906898] CPU: 3 PID: 2989 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 132.914652] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 132.921188] Backtrace: # [ 132.923671] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 132.931253] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f728 # [ 132.936931] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 132.944258] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 132.951232] r9:00000009 r8:c086ce38 r7:00000019 r6:00000009 r5:c086ce38 r4:c1a239e8 # [ 132.958993] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 132.966485] r7:00000019 r6:c1a239e8 r5:c1a239f8 r4:c6c98000 # [ 132.972165] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) # [ 132.981223] r9:c1acf998 r8:c15e7d40 r7:c6c99f60 r6:00000012 r5:00000000 r4:c6c98000 # [ 132.988991] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) # [ 132.998665] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_ZERO+0xa8/0xcc) # [ 133.008421] [] (lkdtm_REFCOUNT_ADD_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 133.017213] r5:c6caf000 r4:00000034 # [ 133.020804] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 133.028825] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 133.036756] r9:c6c99f60 r8:c538f000 r7:00000012 r6:b6ea6000 r5:c5a33680 r4:c0c2d4e8 # [ 133.044519] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 133.052361] r9:c07f4a6c r8:c6c99f60 r7:c2816000 r6:b6ea6000 r5:c5a33680 r4:00000000 # [ 133.060118] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 133.067266] r10:00000004 r9:00000000 r8:00000000 r7:b6ea6000 r6:c6c98000 r5:c5a33680 # [ 133.075102] r4:c5a33680 # [ 133.077648] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 133.084795] r9:c6c98000 r8:c03002e4 r7:00000004 r6:b6fede00 r5:00000012 r4:00000012 # [ 133.092555] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 133.100132] Exception stack(0xc6c99fa8 to 0xc6c99ff0) # [ 133.105198] 9fa0: 00000012 00000012 00000001 b6ea6000 00000012 00000000 # [ 133.113388] 9fc0: 00000012 00000012 b6fede00 00000004 00000001 00000000 00020000 bee79a54 # [ 133.121573] 9fe0: 00000004 bee79788 b6f5b94f b6ee1c66 # [ 133.126756] irq event stamp: 0 # [ 133.129870] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 133.135467] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 133.143013] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 133.150620] softirqs last disabled at (0): [<00000000>] 0x0 # [ 133.156235] ---[ end trace dca5c33b5d5179bf ]--- # [ 133.160922] lkdtm: Zero detected: saturated # REFCOUNT_ADD_ZERO: missing 'call trace:': [FAIL] not ok 51 selftests: lkdtm: REFCOUNT_ADD_ZERO.sh # exit=1 # selftests: lkdtm: REFCOUNT_INC_SATURATED.sh [ 133.724688] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED [ 133.730858] lkdtm: attempting bad refcount_inc() from saturated [ 133.736794] ------------[ cut here ]------------ [ 133.741498] WARNING: CPU: 3 PID: 3026 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 [ 133.750010] refcount_t: saturated; leaking memory. [ 133.754817] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm phy_generic snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 [ 133.784047] CPU: 3 PID: 3026 Comm: cat Tainted: G D W 5.10.131-cip13 #1 [ 133.791801] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 133.798337] Backtrace: [ 133.800818] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 133.808401] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f728 [ 133.814080] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 133.821408] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 133.828384] r9:00000009 r8:c086ce04 r7:00000016 r6:00000009 r5:c086ce04 r4:c1a239e8 [ 133.836145] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 133.843638] r7:00000016 r6:c1a239e8 r5:c1a239c0 r4:c6d96000 [ 133.849318] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) [ 133.858289] r9:c1acf9ac r8:c15e7d40 r7:c6d97f60 r6:00000017 r5:c6c09000 r4:c6d96000 [ 133.866054] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) [ 133.875727] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_SATURATED+0x4c/0x70) [ 133.885917] [] (lkdtm_REFCOUNT_INC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) [ 133.895142] r4:00000035 [ 133.897691] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 133.905714] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 133.913645] r9:c6d97f60 r8:c538f000 r7:00000017 r6:b6e19000 r5:c5f8f040 r4:c0c2d4e8 [ 133.921405] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 133.929248] r9:c07f4a6c r8:c6d97f60 r7:c2816000 r6:b6e19000 r5:c5f8f040 r4:00000000 [ 133.937003] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 133.944152] r10:00000004 r9:00000000 r8:00000000 r7:b6e19000 r6:c6d96000 r5:c5f8f040 [ 133.951988] r4:c5f8f040 [ 133.954536] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 133.961683] r9:c6d96000 r8:c03002e4 r7:00000004 r6:b6f60e00 r5:00000017 r4:00000017 [ 133.969442] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 133.977020] Exception stack(0xc6d97fa8 to 0xc6d97ff0) [ 133.982084] 7fa0: 00000017 00000017 00000001 b6e19000 00000017 00000000 [ 133.990273] 7fc0: 00000017 00000017 b6f60e00 00000004 00000001 00000000 00020000 be883a54 [ 133.998458] 7fe0: 00000004 be883788 b6ece94f b6e54c66 [ 134.003601] irq event stamp: 0 [ 134.006681] hardirqs last enabled at (0): [<00000000>] 0x0 [ 134.012326] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 134.019873] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 134.027415] softirqs last disabled at (0): [<00000000>] 0x0 [ 134.033065] ---[ end trace dca5c33b5d5179c0 ]--- [ 134.037702] lkdtm: Saturation detected: still saturated # [ 133.724688] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 133.730858] lkdtm: attempting bad refcount_inc() from saturated # [ 133.736794] ------------[ cut here ]------------ # [ 133.741498] WARNING: CPU: 3 PID: 3026 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 133.750010] refcount_t: saturated; leaking memory. # [ 133.754817] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm phy_generic snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 133.784047] CPU: 3 PID: 3026 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 133.791801] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 133.798337] Backtrace: # [ 133.800818] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 133.808401] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f728 # [ 133.814080] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 133.821408] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 133.828384] r9:00000009 r8:c086ce04 r7:00000016 r6:00000009 r5:c086ce04 r4:c1a239e8 # [ 133.836145] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 133.843638] r7:00000016 r6:c1a239e8 r5:c1a239c0 r4:c6d96000 # [ 133.849318] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 133.858289] r9:c1acf9ac r8:c15e7d40 r7:c6d97f60 r6:00000017 r5:c6c09000 r4:c6d96000 # [ 133.866054] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 133.875727] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_SATURATED+0x4c/0x70) # [ 133.885917] [] (lkdtm_REFCOUNT_INC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 133.895142] r4:00000035 # [ 133.897691] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 133.905714] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 133.913645] r9:c6d97f60 r8:c538f000 r7:00000017 r6:b6e19000 r5:c5f8f040 r4:c0c2d4e8 # [ 133.921405] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 133.929248] r9:c07f4a6c r8:c6d97f60 r7:c2816000 r6:b6e19000 r5:c5f8f040 r4:00000000 # [ 133.937003] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 133.944152] r10:00000004 r9:00000000 r8:00000000 r7:b6e19000 r6:c6d96000 r5:c5f8f040 # [ 133.951988] r4:c5f8f040 # [ 133.954536] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 133.961683] r9:c6d96000 r8:c03002e4 r7:00000004 r6:b6f60e00 r5:00000017 r4:00000017 # [ 133.969442] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 133.977020] Exception stack(0xc6d97fa8 to 0xc6d97ff0) # [ 133.982084] 7fa0: 00000017 00000017 00000001 b6e19000 00000017 00000000 # [ 133.990273] 7fc0: 00000017 00000017 b6f60e00 00000004 00000001 00000000 00020000 be883a54 # [ 133.998458] 7fe0: 00000004 be883788 b6ece94f b6e54c66 # [ 134.003601] irq event stamp: 0 # [ 134.006681] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 134.012326] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 134.019873] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 134.027415] softirqs last disabled at (0): [<00000000>] 0x0 # [ 134.033065] ---[ end trace dca5c33b5d5179c0 ]--- # [ 134.037702] lkdtm: Saturation detected: still saturated # REFCOUNT_INC_SATURATED: saw 'Saturation detected: still saturated': ok ok 52 selftests: lkdtm: REFCOUNT_INC_SATURATED.sh # selftests: lkdtm: REFCOUNT_DEC_SATURATED.sh [ 134.615594] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED [ 134.621801] lkdtm: attempting bad refcount_dec() from saturated [ 134.627737] ------------[ cut here ]------------ [ 134.632451] WARNING: CPU: 2 PID: 3061 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 [ 134.640954] refcount_t: decrement hit 0; leaking memory. [ 134.646280] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm phy_generic snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 [ 134.675513] CPU: 2 PID: 3061 Comm: cat Tainted: G D W 5.10.131-cip13 #1 [ 134.683266] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 134.689801] Backtrace: [ 134.692284] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 134.699866] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f728 [ 134.705543] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 134.712872] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 134.719846] r9:00000009 r8:c086cd9c r7:0000001f r6:00000009 r5:c086cd9c r4:c1a239e8 [ 134.727605] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 134.735098] r7:0000001f r6:c1a239e8 r5:c1a23a4c r4:c6b68000 [ 134.740779] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) [ 134.749750] r9:c1acf9c4 r8:c15e7d40 r7:c6b69f60 r6:00000017 r5:c6bb1000 r4:c6b68000 [ 134.757512] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) [ 134.767179] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_SATURATED+0x48/0x6c) [ 134.777374] [] (lkdtm_REFCOUNT_DEC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) [ 134.786598] r4:00000036 [ 134.789147] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 134.797169] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 134.805100] r9:c6b69f60 r8:c538f000 r7:00000017 r6:b6e40000 r5:c5a95540 r4:c0c2d4e8 [ 134.812859] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 134.820703] r9:c07f4a6c r8:c6b69f60 r7:c2816000 r6:b6e40000 r5:c5a95540 r4:00000000 [ 134.828460] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 134.835606] r10:00000004 r9:00000000 r8:00000000 r7:b6e40000 r6:c6b68000 r5:c5a95540 [ 134.843442] r4:c5a95540 [ 134.845987] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 134.853133] r9:c6b68000 r8:c03002e4 r7:00000004 r6:b6f87e00 r5:00000017 r4:00000017 [ 134.860892] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 134.868469] Exception stack(0xc6b69fa8 to 0xc6b69ff0) [ 134.873533] 9fa0: 00000017 00000017 00000001 b6e40000 00000017 00000000 [ 134.881722] 9fc0: 00000017 00000017 b6f87e00 00000004 00000001 00000000 00020000 be9a4a54 [ 134.889908] 9fe0: 00000004 be9a4788 b6ef594f b6e7bc66 [ 134.895037] irq event stamp: 0 [ 134.898116] hardirqs last enabled at (0): [<00000000>] 0x0 [ 134.903744] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 134.911285] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 134.918840] softirqs last disabled at (0): [<00000000>] 0x0 [ 134.924458] ---[ end trace dca5c33b5d5179c1 ]--- [ 134.929144] lkdtm: Saturation detected: still saturated # [ 134.615594] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 134.621801] lkdtm: attempting bad refcount_dec() from saturated # [ 134.627737] ------------[ cut here ]------------ # [ 134.632451] WARNING: CPU: 2 PID: 3061 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 # [ 134.640954] refcount_t: decrement hit 0; leaking memory. # [ 134.646280] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm phy_generic snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 134.675513] CPU: 2 PID: 3061 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 134.683266] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 134.689801] Backtrace: # [ 134.692284] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 134.699866] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f728 # [ 134.705543] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 134.712872] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 134.719846] r9:00000009 r8:c086cd9c r7:0000001f r6:00000009 r5:c086cd9c r4:c1a239e8 # [ 134.727605] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 134.735098] r7:0000001f r6:c1a239e8 r5:c1a23a4c r4:c6b68000 # [ 134.740779] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) # [ 134.749750] r9:c1acf9c4 r8:c15e7d40 r7:c6b69f60 r6:00000017 r5:c6bb1000 r4:c6b68000 # [ 134.757512] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) # [ 134.767179] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_SATURATED+0x48/0x6c) # [ 134.777374] [] (lkdtm_REFCOUNT_DEC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 134.786598] r4:00000036 # [ 134.789147] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 134.797169] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 134.805100] r9:c6b69f60 r8:c538f000 r7:00000017 r6:b6e40000 r5:c5a95540 r4:c0c2d4e8 # [ 134.812859] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 134.820703] r9:c07f4a6c r8:c6b69f60 r7:c2816000 r6:b6e40000 r5:c5a95540 r4:00000000 # [ 134.828460] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 134.835606] r10:00000004 r9:00000000 r8:00000000 r7:b6e40000 r6:c6b68000 r5:c5a95540 # [ 134.843442] r4:c5a95540 # [ 134.845987] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 134.853133] r9:c6b68000 r8:c03002e4 r7:00000004 r6:b6f87e00 r5:00000017 r4:00000017 # [ 134.860892] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 134.868469] Exception stack(0xc6b69fa8 to 0xc6b69ff0) # [ 134.873533] 9fa0: 00000017 00000017 00000001 b6e40000 00000017 00000000 # [ 134.881722] 9fc0: 00000017 00000017 b6f87e00 00000004 00000001 00000000 00020000 be9a4a54 # [ 134.889908] 9fe0: 00000004 be9a4788 b6ef594f b6e7bc66 # [ 134.895037] irq event stamp: 0 # [ 134.898116] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 134.903744] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 134.911285] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 134.918840] softirqs last disabled at (0): [<00000000>] 0x0 # [ 134.924458] ---[ end trace dca5c33b5d5179c1 ]--- # [ 134.929144] lkdtm: Saturation detected: still saturated # REFCOUNT_DEC_SATURATED: saw 'Saturation detected: still saturated': ok ok 53 selftests: lkdtm: REFCOUNT_DEC_SATURATED.sh # selftests: lkdtm: REFCOUNT_ADD_SATURATED.sh [ 135.512636] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED [ 135.518862] lkdtm: attempting bad refcount_dec() from saturated [ 135.524820] ------------[ cut here ]------------ [ 135.529649] WARNING: CPU: 1 PID: 3096 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 [ 135.538124] refcount_t: saturated; leaking memory. [ 135.543049] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm phy_generic snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 [ 135.572634] CPU: 1 PID: 3096 Comm: cat Tainted: G D W 5.10.131-cip13 #1 [ 135.580404] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 135.586951] Backtrace: [ 135.589466] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 135.597070] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f728 [ 135.602769] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 135.610121] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 135.617115] r9:00000009 r8:c086ce04 r7:00000016 r6:00000009 r5:c086ce04 r4:c1a239e8 [ 135.624897] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 135.632407] r7:00000016 r6:c1a239e8 r5:c1a239c0 r4:c5b0a000 [ 135.638111] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) [ 135.647102] r9:c1acf9dc r8:c15e7d40 r7:c5b0bf60 r6:00000017 r5:c6a18000 r4:c5b0a000 [ 135.654896] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) [ 135.664591] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_SATURATED+0x4c/0x70) [ 135.674804] [] (lkdtm_REFCOUNT_ADD_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) [ 135.684043] r4:00000037 [ 135.686613] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 135.694655] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 135.702603] r9:c5b0bf60 r8:c538f000 r7:00000017 r6:b6dbe000 r5:c29ca500 r4:c0c2d4e8 [ 135.710387] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 135.718248] r9:c07f4a6c r8:c5b0bf60 r7:c2816000 r6:b6dbe000 r5:c29ca500 r4:00000000 [ 135.726024] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 135.733193] r10:00000004 r9:00000000 r8:00000000 r7:b6dbe000 r6:c5b0a000 r5:c29ca500 [ 135.741042] r4:c29ca500 [ 135.743610] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 135.750775] r9:c5b0a000 r8:c03002e4 r7:00000004 r6:b6f05e00 r5:00000017 r4:00000017 [ 135.758552] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 135.766145] Exception stack(0xc5b0bfa8 to 0xc5b0bff0) [ 135.771229] bfa0: 00000017 00000017 00000001 b6dbe000 00000017 00000000 [ 135.779438] bfc0: 00000017 00000017 b6f05e00 00000004 00000001 00000000 00020000 beac2a54 [ 135.787640] bfe0: 00000004 beac2788 b6e7394f b6df9c66 [ 135.792846] irq event stamp: 0 [ 135.795966] hardirqs last enabled at (0): [<00000000>] 0x0 [ 135.801649] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 135.809235] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 135.816764] softirqs last disabled at (0): [<00000000>] 0x0 [ 135.822425] ---[ end trace dca5c33b5d5179c2 ]--- [ 135.827080] lkdtm: Saturation detected: still saturated # [ 0.000000] CPU: ARMv7 Processor [412fc09a] revision 10 (ARMv7), cr=10c5387d # [ 0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache # [ 135.512636] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 135.518862] lkdtm: attempting bad refcount_dec() from saturated # [ 135.524820] ------------[ cut here ]------------ # [ 135.529649] WARNING: CPU: 1 PID: 3096 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 135.538124] refcount_t: saturated; leaking memory. # [ 135.543049] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm phy_generic snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 135.572634] CPU: 1 PID: 3096 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 135.580404] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 135.586951] Backtrace: # [ 135.589466] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 135.597070] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f728 # [ 135.602769] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 135.610121] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 135.617115] r9:00000009 r8:c086ce04 r7:00000016 r6:00000009 r5:c086ce04 r4:c1a239e8 # [ 135.624897] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 135.632407] r7:00000016 r6:c1a239e8 r5:c1a239c0 r4:c5b0a000 # [ 135.638111] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 135.647102] r9:c1acf9dc r8:c15e7d40 r7:c5b0bf60 r6:00000017 r5:c6a18000 r4:c5b0a000 # [ 135.654896] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 135.664591] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_SATURATED+0x4c/0x70) # [ 135.674804] [] (lkdtm_REFCOUNT_ADD_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 135.684043] r4:00000037 # [ 135.686613] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 135.694655] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 135.702603] r9:c5b0bf60 r8:c538f000 r7:00000017 r6:b6dbe000 r5:c29ca500 r4:c0c2d4e8 # [ 135.710387] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 135.718248] r9:c07f4a6c r8:c5b0bf60 r7:c2816000 r6:b6dbe000 r5:c29ca500 r4:00000000 # [ 135.726024] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 135.733193] r10:00000004 r9:00000000 r8:00000000 r7:b6dbe000 r6:c5b0a000 r5:c29ca500 # [ 135.741042] r4:c29ca500 # [ 135.743610] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 135.750775] r9:c5b0a000 r8:c03002e4 r7:00000004 r6:b6f05e00 r5:00000017 r4:00000017 # [ 135.758552] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 135.766145] Exception stack(0xc5b0bfa8 to 0xc5b0bff0) # [ 135.771229] bfa0: 00000017 00000017 00000001 b6dbe000 00000017 00000000 # [ 135.779438] bfc0: 00000017 00000017 b6f05e00 00000004 00000001 00000000 00020000 beac2a54 # [ 135.787640] bfe0: 00000004 beac2788 b6e7394f b6df9c66 # [ 135.792846] irq event stamp: 0 # [ 135.795966] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 135.801649] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 135.809235] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 135.816764] softirqs last disabled at (0): [<00000000>] 0x0 # [ 135.822425] ---[ end trace dca5c33b5d5179c2 ]--- # [ 135.827080] lkdtm: Saturation detected: still saturated # REFCOUNT_ADD_SATURATED: saw 'Saturation detected: still saturated': ok ok 54 selftests: lkdtm: REFCOUNT_ADD_SATURATED.sh # selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_SATURATED.sh [ 136.406174] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED [ 136.413201] lkdtm: attempting bad refcount_inc_not_zero() from saturated [ 136.420057] ------------[ cut here ]------------ [ 136.424770] WARNING: CPU: 1 PID: 3128 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 [ 136.433316] refcount_t: saturated; leaking memory. [ 136.438125] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm phy_generic snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 [ 136.467408] CPU: 1 PID: 3128 Comm: cat Tainted: G D W 5.10.131-cip13 #1 [ 136.475161] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 136.481698] Backtrace: [ 136.484183] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 136.491767] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f728 [ 136.497445] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 136.504775] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 136.511751] r9:00000009 r8:c086cdd0 r7:00000013 r6:00000009 r5:c086cdd0 r4:c1a239e8 [ 136.519514] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 136.527009] r7:00000013 r6:c1a239e8 r5:c1a239c0 r4:c5846000 [ 136.532691] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) [ 136.541662] r9:c1acf9f4 r8:c15e7d40 r7:c5847f60 r6:00000020 r5:c6b10000 r4:c0000000 [ 136.549425] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) [ 136.559876] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x50/0x88) [ 136.571622] r5:c6b10000 r4:c5846000 [ 136.575220] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) [ 136.585228] r4:00000038 [ 136.587777] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 136.595802] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 136.603733] r9:c5847f60 r8:c538f000 r7:00000020 r6:b6e90000 r5:c29ca500 r4:c0c2d4e8 [ 136.611496] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 136.619341] r9:c07f4a6c r8:c5847f60 r7:c2816000 r6:b6e90000 r5:c29ca500 r4:00000000 [ 136.627097] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 136.634246] r10:00000004 r9:00000000 r8:00000000 r7:b6e90000 r6:c5846000 r5:c29ca500 [ 136.642081] r4:c29ca500 [ 136.644629] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 136.651778] r9:c5846000 r8:c03002e4 r7:00000004 r6:b6fd7e00 r5:00000020 r4:00000020 [ 136.659536] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 136.667114] Exception stack(0xc5847fa8 to 0xc5847ff0) [ 136.672179] 7fa0: 00000020 00000020 00000001 b6e90000 00000020 00000000 [ 136.680370] 7fc0: 00000020 00000020 b6fd7e00 00000004 00000001 00000000 00020000 bef31a54 [ 136.688555] 7fe0: 00000004 bef31788 b6f4594f b6ecbc66 [ 136.693691] irq event stamp: 0 [ 136.696771] hardirqs last enabled at (0): [<00000000>] 0x0 [ 136.702401] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 136.709935] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 136.717438] softirqs last disabled at (0): [<00000000>] 0x0 [ 136.723071] ---[ end trace dca5c33b5d5179c3 ]--- [ 136.727706] lkdtm: Saturation detected: still saturated # [ 136.406174] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 136.413201] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 136.420057] ------------[ cut here ]------------ # [ 136.424770] WARNING: CPU: 1 PID: 3128 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 136.433316] refcount_t: saturated; leaking memory. # [ 136.438125] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm phy_generic snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 136.467408] CPU: 1 PID: 3128 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 136.475161] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 136.481698] Backtrace: # [ 136.484183] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 136.491767] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f728 # [ 136.497445] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 136.504775] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 136.511751] r9:00000009 r8:c086cdd0 r7:00000013 r6:00000009 r5:c086cdd0 r4:c1a239e8 # [ 136.519514] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 136.527009] r7:00000013 r6:c1a239e8 r5:c1a239c0 r4:c5846000 # [ 136.532691] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 136.541662] r9:c1acf9f4 r8:c15e7d40 r7:c5847f60 r6:00000020 r5:c6b10000 r4:c0000000 # [ 136.549425] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 136.559876] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x50/0x88) # [ 136.571622] r5:c6b10000 r4:c5846000 # [ 136.575220] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 136.585228] r4:00000038 # [ 136.587777] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 136.595802] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 136.603733] r9:c5847f60 r8:c538f000 r7:00000020 r6:b6e90000 r5:c29ca500 r4:c0c2d4e8 # [ 136.611496] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 136.619341] r9:c07f4a6c r8:c5847f60 r7:c2816000 r6:b6e90000 r5:c29ca500 r4:00000000 # [ 136.627097] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 136.634246] r10:00000004 r9:00000000 r8:00000000 r7:b6e90000 r6:c5846000 r5:c29ca500 # [ 136.642081] r4:c29ca500 # [ 136.644629] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 136.651778] r9:c5846000 r8:c03002e4 r7:00000004 r6:b6fd7e00 r5:00000020 r4:00000020 # [ 136.659536] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 136.667114] Exception stack(0xc5847fa8 to 0xc5847ff0) # [ 136.672179] 7fa0: 00000020 00000020 00000001 b6e90000 00000020 00000000 # [ 136.680370] 7fc0: 00000020 00000020 b6fd7e00 00000004 00000001 00000000 00020000 bef31a54 # [ 136.688555] 7fe0: 00000004 bef31788 b6f4594f b6ecbc66 # [ 136.693691] irq event stamp: 0 # [ 136.696771] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 136.702401] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 136.709935] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 136.717438] softirqs last disabled at (0): [<00000000>] 0x0 # [ 136.723071] ---[ end trace dca5c33b5d5179c3 ]--- # [ 136.727706] lkdtm: Saturation detected: still saturated # REFCOUNT_INC_NOT_ZERO_SATURATED: missing 'call trace:': [FAIL] not ok 55 selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_SATURATED.sh # exit=1 # selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_SATURATED.sh [ 137.318409] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED [ 137.325338] lkdtm: attempting bad refcount_add_not_zero() from saturated [ 137.332126] ------------[ cut here ]------------ [ 137.336782] WARNING: CPU: 2 PID: 3162 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 [ 137.345293] refcount_t: saturated; leaking memory. [ 137.350147] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm phy_generic snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 [ 137.379381] CPU: 2 PID: 3162 Comm: cat Tainted: G D W 5.10.131-cip13 #1 [ 137.387135] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 137.393670] Backtrace: [ 137.396152] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 137.403736] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f728 [ 137.409414] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 137.416742] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 137.423717] r9:00000009 r8:c086cdd0 r7:00000013 r6:00000009 r5:c086cdd0 r4:c1a239e8 [ 137.431478] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 137.438972] r7:00000013 r6:c1a239e8 r5:c1a239c0 r4:c6f7c000 [ 137.444649] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) [ 137.453622] r9:c1acfa14 r8:c15e7d40 r7:c6f7df60 r6:00000020 r5:c6bb1000 r4:c0000000 [ 137.461385] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) [ 137.471838] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x50/0x88) [ 137.483582] r5:c6bb1000 r4:c6f7c000 [ 137.487178] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) [ 137.497184] r4:00000039 [ 137.499733] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 137.507757] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 137.515688] r9:c6f7df60 r8:c538f000 r7:00000020 r6:b6ea8000 r5:c6853e00 r4:c0c2d4e8 [ 137.523450] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 137.531295] r9:c07f4a6c r8:c6f7df60 r7:c2816000 r6:b6ea8000 r5:c6853e00 r4:00000000 [ 137.539052] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 137.546200] r10:00000004 r9:00000000 r8:00000000 r7:b6ea8000 r6:c6f7c000 r5:c6853e00 [ 137.554036] r4:c6853e00 [ 137.556585] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 137.563733] r9:c6f7c000 r8:c03002e4 r7:00000004 r6:b6fefe00 r5:00000020 r4:00000020 [ 137.571492] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 137.579070] Exception stack(0xc6f7dfa8 to 0xc6f7dff0) [ 137.584136] dfa0: 00000020 00000020 00000001 b6ea8000 00000020 00000000 [ 137.592328] dfc0: 00000020 00000020 b6fefe00 00000004 00000001 00000000 00020000 be91fa54 [ 137.600515] dfe0: 00000004 be91f788 b6f5d94f b6ee3c66 [ 137.605652] irq event stamp: 0 [ 137.608783] hardirqs last enabled at (0): [<00000000>] 0x0 [ 137.614383] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 137.621924] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 137.629459] softirqs last disabled at (0): [<00000000>] 0x0 [ 137.635047] ---[ end trace dca5c33b5d5179c4 ]--- [ 137.639719] lkdtm: Saturation detected: still saturated # [ 137.318409] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 137.325338] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 137.332126] ------------[ cut here ]------------ # [ 137.336782] WARNING: CPU: 2 PID: 3162 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 137.345293] refcount_t: saturated; leaking memory. # [ 137.350147] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm phy_generic snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 137.379381] CPU: 2 PID: 3162 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 137.387135] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 137.393670] Backtrace: # [ 137.396152] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 137.403736] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f728 # [ 137.409414] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 137.416742] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 137.423717] r9:00000009 r8:c086cdd0 r7:00000013 r6:00000009 r5:c086cdd0 r4:c1a239e8 # [ 137.431478] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 137.438972] r7:00000013 r6:c1a239e8 r5:c1a239c0 r4:c6f7c000 # [ 137.444649] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 137.453622] r9:c1acfa14 r8:c15e7d40 r7:c6f7df60 r6:00000020 r5:c6bb1000 r4:c0000000 # [ 137.461385] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 137.471838] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x50/0x88) # [ 137.483582] r5:c6bb1000 r4:c6f7c000 # [ 137.487178] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 137.497184] r4:00000039 # [ 137.499733] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 137.507757] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 137.515688] r9:c6f7df60 r8:c538f000 r7:00000020 r6:b6ea8000 r5:c6853e00 r4:c0c2d4e8 # [ 137.523450] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 137.531295] r9:c07f4a6c r8:c6f7df60 r7:c2816000 r6:b6ea8000 r5:c6853e00 r4:00000000 # [ 137.539052] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 137.546200] r10:00000004 r9:00000000 r8:00000000 r7:b6ea8000 r6:c6f7c000 r5:c6853e00 # [ 137.554036] r4:c6853e00 # [ 137.556585] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 137.563733] r9:c6f7c000 r8:c03002e4 r7:00000004 r6:b6fefe00 r5:00000020 r4:00000020 # [ 137.571492] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 137.579070] Exception stack(0xc6f7dfa8 to 0xc6f7dff0) # [ 137.584136] dfa0: 00000020 00000020 00000001 b6ea8000 00000020 00000000 # [ 137.592328] dfc0: 00000020 00000020 b6fefe00 00000004 00000001 00000000 00020000 be91fa54 # [ 137.600515] dfe0: 00000004 be91f788 b6f5d94f b6ee3c66 # [ 137.605652] irq event stamp: 0 # [ 137.608783] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 137.614383] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 137.621924] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 137.629459] softirqs last disabled at (0): [<00000000>] 0x0 # [ 137.635047] ---[ end trace dca5c33b5d5179c4 ]--- # [ 137.639719] lkdtm: Saturation detected: still saturated # REFCOUNT_ADD_NOT_ZERO_SATURATED: missing 'call trace:': [FAIL] not ok 56 selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_SATURATED.sh # exit=1 # selftests: lkdtm: REFCOUNT_DEC_AND_TEST_SATURATED.sh [ 138.205992] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED [ 138.212952] lkdtm: attempting bad refcount_dec_and_test() from saturated [ 138.219738] ------------[ cut here ]------------ [ 138.224394] WARNING: CPU: 0 PID: 3199 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 [ 138.232978] refcount_t: underflow; use-after-free. [ 138.237785] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm phy_generic snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 [ 138.267036] CPU: 0 PID: 3199 Comm: cat Tainted: G D W 5.10.131-cip13 #1 [ 138.274790] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 138.281326] Backtrace: [ 138.283811] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 138.291394] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f728 [ 138.297071] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 138.304401] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 138.311376] r9:00000009 r8:c086ce6c r7:0000001c r6:00000009 r5:c086ce6c r4:c1a239e8 [ 138.319139] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 138.326632] r7:0000001c r6:c1a239e8 r5:c1a23a24 r4:c5b0a000 [ 138.332311] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) [ 138.341370] r9:c1acfa34 r8:c15e7d40 r7:c5b0bf60 r6:00000020 r5:c5f66000 r4:c5b0a000 [ 138.349138] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) [ 138.359595] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x50/0x88) [ 138.371348] [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) [ 138.381356] r4:0000003a [ 138.383907] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 138.391930] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 138.399860] r9:c5b0bf60 r8:c538f000 r7:00000020 r6:b6ddc000 r5:c5a95540 r4:c0c2d4e8 [ 138.407625] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 138.415466] r9:c07f4a6c r8:c5b0bf60 r7:c2816000 r6:b6ddc000 r5:c5a95540 r4:00000000 [ 138.423224] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 138.430372] r10:00000004 r9:00000000 r8:00000000 r7:b6ddc000 r6:c5b0a000 r5:c5a95540 [ 138.438208] r4:c5a95540 [ 138.440758] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 138.447906] r9:c5b0a000 r8:c03002e4 r7:00000004 r6:b6f23e00 r5:00000020 r4:00000020 [ 138.455665] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 138.463242] Exception stack(0xc5b0bfa8 to 0xc5b0bff0) [ 138.468309] bfa0: 00000020 00000020 00000001 b6ddc000 00000020 00000000 [ 138.476499] bfc0: 00000020 00000020 b6f23e00 00000004 00000001 00000000 00020000 beffca54 [ 138.484684] bfe0: 00000004 beffc788 b6e9194f b6e17c66 [ 138.489830] irq event stamp: 0 [ 138.492910] hardirqs last enabled at (0): [<00000000>] 0x0 [ 138.498540] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 138.506066] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 138.515521] softirqs last disabled at (0): [<00000000>] 0x0 [ 138.521176] ---[ end trace dca5c33b5d5179c5 ]--- [ 138.525811] lkdtm: Saturation detected: still saturated # [ 138.205992] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 138.212952] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 138.219738] ------------[ cut here ]------------ # [ 138.224394] WARNING: CPU: 0 PID: 3199 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 138.232978] refcount_t: underflow; use-after-free. # [ 138.237785] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm phy_generic snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 138.267036] CPU: 0 PID: 3199 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 138.274790] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 138.281326] Backtrace: # [ 138.283811] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 138.291394] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f728 # [ 138.297071] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 138.304401] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 138.311376] r9:00000009 r8:c086ce6c r7:0000001c r6:00000009 r5:c086ce6c r4:c1a239e8 # [ 138.319139] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 138.326632] r7:0000001c r6:c1a239e8 r5:c1a23a24 r4:c5b0a000 # [ 138.332311] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 138.341370] r9:c1acfa34 r8:c15e7d40 r7:c5b0bf60 r6:00000020 r5:c5f66000 r4:c5b0a000 # [ 138.349138] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 138.359595] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x50/0x88) # [ 138.371348] [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 138.381356] r4:0000003a # [ 138.383907] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 138.391930] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 138.399860] r9:c5b0bf60 r8:c538f000 r7:00000020 r6:b6ddc000 r5:c5a95540 r4:c0c2d4e8 # [ 138.407625] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 138.415466] r9:c07f4a6c r8:c5b0bf60 r7:c2816000 r6:b6ddc000 r5:c5a95540 r4:00000000 # [ 138.423224] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 138.430372] r10:00000004 r9:00000000 r8:00000000 r7:b6ddc000 r6:c5b0a000 r5:c5a95540 # [ 138.438208] r4:c5a95540 # [ 138.440758] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 138.447906] r9:c5b0a000 r8:c03002e4 r7:00000004 r6:b6f23e00 r5:00000020 r4:00000020 # [ 138.455665] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 138.463242] Exception stack(0xc5b0bfa8 to 0xc5b0bff0) # [ 138.468309] bfa0: 00000020 00000020 00000001 b6ddc000 00000020 00000000 # [ 138.476499] bfc0: 00000020 00000020 b6f23e00 00000004 00000001 00000000 00020000 beffca54 # [ 138.484684] bfe0: 00000004 beffc788 b6e9194f b6e17c66 # [ 138.489830] irq event stamp: 0 # [ 138.492910] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 138.498540] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 138.506066] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 138.515521] softirqs last disabled at (0): [<00000000>] 0x0 # [ 138.521176] ---[ end trace dca5c33b5d5179c5 ]--- # [ 138.525811] lkdtm: Saturation detected: still saturated # REFCOUNT_DEC_AND_TEST_SATURATED: saw 'Saturation detected: still saturated': ok ok 57 selftests: lkdtm: REFCOUNT_DEC_AND_TEST_SATURATED.sh # selftests: lkdtm: REFCOUNT_SUB_AND_TEST_SATURATED.sh [ 139.129718] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED [ 139.136643] lkdtm: attempting bad refcount_sub_and_test() from saturated [ 139.143451] ------------[ cut here ]------------ [ 139.148108] WARNING: CPU: 1 PID: 3234 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 [ 139.156711] refcount_t: underflow; use-after-free. [ 139.161564] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm phy_generic snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 [ 139.190812] CPU: 1 PID: 3234 Comm: cat Tainted: G D W 5.10.131-cip13 #1 [ 139.198565] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 139.205101] Backtrace: [ 139.207584] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 139.215168] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f728 [ 139.220846] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 139.228172] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 139.235147] r9:00000009 r8:c086ce6c r7:0000001c r6:00000009 r5:c086ce6c r4:c1a239e8 [ 139.242909] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 139.250402] r7:0000001c r6:c1a239e8 r5:c1a23a24 r4:c6f9e000 [ 139.256084] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) [ 139.265141] r9:c1acfa54 r8:c15e7d40 r7:c6f9ff60 r6:00000020 r5:c6b10000 r4:c6f9e000 [ 139.272908] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) [ 139.283363] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x50/0x88) [ 139.295118] [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) [ 139.305124] r4:0000003b [ 139.307672] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 139.315693] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 139.323623] r9:c6f9ff60 r8:c538f000 r7:00000020 r6:b6ea1000 r5:c69e5680 r4:c0c2d4e8 [ 139.331386] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 139.339230] r9:c07f4a6c r8:c6f9ff60 r7:c2816000 r6:b6ea1000 r5:c69e5680 r4:00000000 [ 139.346988] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 139.354136] r10:00000004 r9:00000000 r8:00000000 r7:b6ea1000 r6:c6f9e000 r5:c69e5680 [ 139.361971] r4:c69e5680 [ 139.364518] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 139.371666] r9:c6f9e000 r8:c03002e4 r7:00000004 r6:b6fe8e00 r5:00000020 r4:00000020 [ 139.379425] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 139.387004] Exception stack(0xc6f9ffa8 to 0xc6f9fff0) [ 139.392071] ffa0: 00000020 00000020 00000001 b6ea1000 00000020 00000000 [ 139.400262] ffc0: 00000020 00000020 b6fe8e00 00000004 00000001 00000000 00020000 be95fa54 [ 139.408449] ffe0: 00000004 be95f788 b6f5694f b6edcc66 [ 139.413576] irq event stamp: 0 [ 139.416654] hardirqs last enabled at (0): [<00000000>] 0x0 [ 139.422284] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 139.429840] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 139.437371] softirqs last disabled at (0): [<00000000>] 0x0 [ 139.443012] ---[ end trace dca5c33b5d5179c6 ]--- [ 139.447656] lkdtm: Saturation detected: still saturated # [ 139.129718] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 139.136643] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 139.143451] ------------[ cut here ]------------ # [ 139.148108] WARNING: CPU: 1 PID: 3234 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 139.156711] refcount_t: underflow; use-after-free. # [ 139.161564] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm phy_generic snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 139.190812] CPU: 1 PID: 3234 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 139.198565] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 139.205101] Backtrace: # [ 139.207584] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 139.215168] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f728 # [ 139.220846] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 139.228172] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 139.235147] r9:00000009 r8:c086ce6c r7:0000001c r6:00000009 r5:c086ce6c r4:c1a239e8 # [ 139.242909] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 139.250402] r7:0000001c r6:c1a239e8 r5:c1a23a24 r4:c6f9e000 # [ 139.256084] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 139.265141] r9:c1acfa54 r8:c15e7d40 r7:c6f9ff60 r6:00000020 r5:c6b10000 r4:c6f9e000 # [ 139.272908] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 139.283363] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x50/0x88) # [ 139.295118] [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 139.305124] r4:0000003b # [ 139.307672] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 139.315693] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 139.323623] r9:c6f9ff60 r8:c538f000 r7:00000020 r6:b6ea1000 r5:c69e5680 r4:c0c2d4e8 # [ 139.331386] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 139.339230] r9:c07f4a6c r8:c6f9ff60 r7:c2816000 r6:b6ea1000 r5:c69e5680 r4:00000000 # [ 139.346988] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 139.354136] r10:00000004 r9:00000000 r8:00000000 r7:b6ea1000 r6:c6f9e000 r5:c69e5680 # [ 139.361971] r4:c69e5680 # [ 139.364518] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 139.371666] r9:c6f9e000 r8:c03002e4 r7:00000004 r6:b6fe8e00 r5:00000020 r4:00000020 # [ 139.379425] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 139.387004] Exception stack(0xc6f9ffa8 to 0xc6f9fff0) # [ 139.392071] ffa0: 00000020 00000020 00000001 b6ea1000 00000020 00000000 # [ 139.400262] ffc0: 00000020 00000020 b6fe8e00 00000004 00000001 00000000 00020000 be95fa54 # [ 139.408449] ffe0: 00000004 be95f788 b6f5694f b6edcc66 # [ 139.413576] irq event stamp: 0 # [ 139.416654] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 139.422284] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 139.429840] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 139.437371] softirqs last disabled at (0): [<00000000>] 0x0 # [ 139.443012] ---[ end trace dca5c33b5d5179c6 ]--- # [ 139.447656] lkdtm: Saturation detected: still saturated # REFCOUNT_SUB_AND_TEST_SATURATED: saw 'Saturation detected: still saturated': ok ok 58 selftests: lkdtm: REFCOUNT_SUB_AND_TEST_SATURATED.sh # selftests: lkdtm: REFCOUNT_TIMING.sh # Skipping REFCOUNT_TIMING: timing only ok 59 selftests: lkdtm: REFCOUNT_TIMING.sh # SKIP # selftests: lkdtm: ATOMIC_TIMING.sh # Skipping ATOMIC_TIMING: timing only ok 60 selftests: lkdtm: ATOMIC_TIMING.sh # SKIP # selftests: lkdtm: USERCOPY_HEAP_SIZE_TO.sh [ 140.447274] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO [ 140.453529] lkdtm: attempting good copy_to_user of correct size [ 140.459688] lkdtm: attempting bad copy_to_user of too large size # [ 140.447274] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 140.453529] lkdtm: attempting good copy_to_user of correct size # [ 140.459688] lkdtm: attempting bad copy_to_user of too large size # USERCOPY_HEAP_SIZE_TO: missing 'call trace:': [FAIL] not ok 61 selftests: lkdtm: USERCOPY_HEAP_SIZE_TO.sh # exit=1 # selftests: lkdtm: USERCOPY_HEAP_SIZE_FROM.sh [ 141.007548] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM [ 141.013923] lkdtm: attempting good copy_from_user of correct size [ 141.020138] lkdtm: attempting bad copy_from_user of too large size # [ 141.007548] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 141.013923] lkdtm: attempting good copy_from_user of correct size # [ 141.020138] lkdtm: attempting bad copy_from_user of too large size # USERCOPY_HEAP_SIZE_FROM: missing 'call trace:': [FAIL] not ok 62 selftests: lkdtm: USERCOPY_HEAP_SIZE_FROM.sh # exit=1 # selftests: lkdtm: USERCOPY_HEAP_WHITELIST_TO.sh [ 141.542698] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO [ 141.549321] lkdtm: attempting good copy_to_user inside whitelist [ 141.555434] lkdtm: attempting bad copy_to_user outside whitelist # [ 141.542698] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 141.549321] lkdtm: attempting good copy_to_user inside whitelist # [ 141.555434] lkdtm: attempting bad copy_to_user outside whitelist # USERCOPY_HEAP_WHITELIST_TO: missing 'call trace:': [FAIL] not ok 63 selftests: lkdtm: USERCOPY_HEAP_WHITELIST_TO.sh # exit=1 # selftests: lkdtm: USERCOPY_HEAP_WHITELIST_FROM.sh [ 142.094441] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM [ 142.101254] lkdtm: attempting good copy_from_user inside whitelist [ 142.107504] lkdtm: attempting bad copy_from_user outside whitelist # [ 142.094441] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 142.101254] lkdtm: attempting good copy_from_user inside whitelist # [ 142.107504] lkdtm: attempting bad copy_from_user outside whitelist # USERCOPY_HEAP_WHITELIST_FROM: missing 'call trace:': [FAIL] not ok 64 selftests: lkdtm: USERCOPY_HEAP_WHITELIST_FROM.sh # exit=1 # selftests: lkdtm: USERCOPY_STACK_FRAME_TO.sh [ 142.650087] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO [ 142.656325] lkdtm: good_stack: c5efde0c-c5efde2c [ 142.661163] lkdtm: bad_stack : c5efdd84-c5efdda4 [ 142.665838] lkdtm: attempting good copy_to_user of local stack [ 142.671806] lkdtm: attempting bad copy_to_user of distant stack # [ 142.650087] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 142.656325] lkdtm: good_stack: c5efde0c-c5efde2c # [ 142.661163] lkdtm: bad_stack : c5efdd84-c5efdda4 # [ 142.665838] lkdtm: attempting good copy_to_user of local stack # [ 142.671806] lkdtm: attempting bad copy_to_user of distant stack # USERCOPY_STACK_FRAME_TO: missing 'call trace:': [FAIL] not ok 65 selftests: lkdtm: USERCOPY_STACK_FRAME_TO.sh # exit=1 # selftests: lkdtm: USERCOPY_STACK_FRAME_FROM.sh [ 143.201133] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM [ 143.207544] lkdtm: good_stack: c6de3e0c-c6de3e2c [ 143.212369] lkdtm: bad_stack : c6de3d84-c6de3da4 [ 143.217044] lkdtm: attempting good copy_from_user of local stack [ 143.223130] lkdtm: attempting bad copy_from_user of distant stack # [ 143.201133] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 143.207544] lkdtm: good_stack: c6de3e0c-c6de3e2c # [ 143.212369] lkdtm: bad_stack : c6de3d84-c6de3da4 # [ 143.217044] lkdtm: attempting good copy_from_user of local stack # [ 143.223130] lkdtm: attempting bad copy_from_user of distant stack # USERCOPY_STACK_FRAME_FROM: missing 'call trace:': [FAIL] not ok 66 selftests: lkdtm: USERCOPY_STACK_FRAME_FROM.sh # exit=1 # selftests: lkdtm: USERCOPY_STACK_BEYOND.sh [ 143.754311] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND [ 143.760400] lkdtm: good_stack: c5efde0c-c5efde2c [ 143.765033] lkdtm: bad_stack : c5efdffc-c5efe01c [ 143.769736] lkdtm: attempting good copy_to_user of local stack [ 143.775623] lkdtm: attempting bad copy_to_user of distant stack # [ 143.754311] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 143.760400] lkdtm: good_stack: c5efde0c-c5efde2c # [ 143.765033] lkdtm: bad_stack : c5efdffc-c5efe01c # [ 143.769736] lkdtm: attempting good copy_to_user of local stack # [ 143.775623] lkdtm: attempting bad copy_to_user of distant stack # USERCOPY_STACK_BEYOND: missing 'call trace:': [FAIL] not ok 67 selftests: lkdtm: USERCOPY_STACK_BEYOND.sh # exit=1 # selftests: lkdtm: USERCOPY_KERNEL.sh [ 144.314277] lkdtm: Performing direct entry USERCOPY_KERNEL [ 144.319903] lkdtm: attempting good copy_to_user from kernel rodata: c15e7fec [ 144.327008] lkdtm: attempting bad copy_to_user from kernel text: c0539b08 [ 144.333873] lkdtm: FAIL: survived bad copy_to_user() # [ 144.314277] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 144.319903] lkdtm: attempting good copy_to_user from kernel rodata: c15e7fec # [ 144.327008] lkdtm: attempting bad copy_to_user from kernel text: c0539b08 # [ 144.333873] lkdtm: FAIL: survived bad copy_to_user() # USERCOPY_KERNEL: missing 'call trace:': [FAIL] not ok 68 selftests: lkdtm: USERCOPY_KERNEL.sh # exit=1 # selftests: lkdtm: STACKLEAK_ERASING.sh [ 144.879029] lkdtm: Performing direct entry STACKLEAK_ERASING [ 144.884790] lkdtm: checking unused part of the thread stack (7732 bytes)... [ 144.891977] lkdtm: FAIL: the erased part is not found (checked 7732 bytes) [ 144.899011] lkdtm: FAIL: the thread stack is NOT properly erased [ 144.905068] CPU: 1 PID: 3599 Comm: cat Tainted: G D W 5.10.131-cip13 #1 [ 144.912837] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 144.919386] Backtrace: [ 144.921910] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 144.929516] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f728 [ 144.935217] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 144.942569] [] (dump_stack) from [] (lkdtm_STACKLEAK_ERASING+0x148/0x174) [ 144.951127] r9:c1acfb5c r8:c15e7d40 r7:c5b0bf60 r6:c5b0be34 r5:c5b0a000 r4:0000078d [ 144.958918] [] (lkdtm_STACKLEAK_ERASING) from [] (lkdtm_do_action+0x2c/0x4c) [ 144.967733] r8:c15e7d40 r7:c5b0bf60 r6:00000012 r5:c5ff6000 r4:00000046 [ 144.974471] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 144.982516] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 144.990468] r9:c5b0bf60 r8:c538f000 r7:00000012 r6:b6e4d000 r5:c5b6e500 r4:c0c2d4e8 [ 144.998251] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 145.006112] r9:c07f4a6c r8:c5b0bf60 r7:c2816000 r6:b6e4d000 r5:c5b6e500 r4:00000000 [ 145.013889] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 145.021056] r10:00000004 r9:00000000 r8:00000000 r7:b6e4d000 r6:c5b0a000 r5:c5b6e500 [ 145.028906] r4:c5b6e500 [ 145.031473] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 145.038642] r9:c5b0a000 r8:c03002e4 r7:00000004 r6:b6f94e00 r5:00000012 r4:00000012 [ 145.046421] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 145.054013] Exception stack(0xc5b0bfa8 to 0xc5b0bff0) [ 145.059095] bfa0: 00000012 00000012 00000001 b6e4d000 00000012 00000000 [ 145.067306] bfc0: 00000012 00000012 b6f94e00 00000004 00000001 00000000 00020000 bebf0a54 [ 145.075509] bfe0: 00000004 bebf0788 b6f0294f b6e88c66 # [ 144.879029] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 144.884790] lkdtm: checking unused part of the thread stack (7732 bytes)... # [ 144.891977] lkdtm: FAIL: the erased part is not found (checked 7732 bytes) # [ 144.899011] lkdtm: FAIL: the thread stack is NOT properly erased # [ 144.905068] CPU: 1 PID: 3599 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 144.912837] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 144.919386] Backtrace: # [ 144.921910] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 144.929516] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f728 # [ 144.935217] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 144.942569] [] (dump_stack) from [] (lkdtm_STACKLEAK_ERASING+0x148/0x174) # [ 144.951127] r9:c1acfb5c r8:c15e7d40 r7:c5b0bf60 r6:c5b0be34 r5:c5b0a000 r4:0000078d # [ 144.958918] [] (lkdtm_STACKLEAK_ERASING) from [] (lkdtm_do_action+0x2c/0x4c) # [ 144.967733] r8:c15e7d40 r7:c5b0bf60 r6:00000012 r5:c5ff6000 r4:00000046 # [ 144.974471] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 144.982516] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 144.990468] r9:c5b0bf60 r8:c538f000 r7:00000012 r6:b6e4d000 r5:c5b6e500 r4:c0c2d4e8 # [ 144.998251] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 145.006112] r9:c07f4a6c r8:c5b0bf60 r7:c2816000 r6:b6e4d000 r5:c5b6e500 r4:00000000 # [ 145.013889] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 145.021056] r10:00000004 r9:00000000 r8:00000000 r7:b6e4d000 r6:c5b0a000 r5:c5b6e500 # [ 145.028906] r4:c5b6e500 # [ 145.031473] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 145.038642] r9:c5b0a000 r8:c03002e4 r7:00000004 r6:b6f94e00 r5:00000012 r4:00000012 # [ 145.046421] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 145.054013] Exception stack(0xc5b0bfa8 to 0xc5b0bff0) # [ 145.059095] bfa0: 00000012 00000012 00000001 b6e4d000 00000012 00000000 # [ 145.067306] bfc0: 00000012 00000012 b6f94e00 00000004 00000001 00000000 00020000 bebf0a54 # [ 145.075509] bfe0: 00000004 bebf0788 b6f0294f b6e88c66 # STACKLEAK_ERASING: missing 'OK: the rest of the thread stack is properly erased': [FAIL] not ok 69 selftests: lkdtm: STACKLEAK_ERASING.sh # exit=1 # selftests: lkdtm: CFI_FORWARD_PROTO.sh [ 145.630097] lkdtm: Performing direct entry CFI_FORWARD_PROTO [ 145.635783] lkdtm: Calling matched prototype ... [ 145.640490] lkdtm: Calling mismatched prototype ... [ 145.645384] lkdtm: Fail: survived mismatched prototype function call! # [ 145.630097] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 145.635783] lkdtm: Calling matched prototype ... # [ 145.640490] lkdtm: Calling mismatched prototype ... # [ 145.645384] lkdtm: Fail: survived mismatched prototype function call! # CFI_FORWARD_PROTO: missing 'call trace:': [FAIL] not ok 70 selftests: lkdtm: CFI_FORWARD_PROTO.sh # exit=1 + ../../utils/send-to-lava.sh ./output/result.txt + set +x / #