[Enter `^Ec?' for help] U-Boot 2021.10+dfsg-1+apertis10bv2023dev2b2 (Apr 18 2022 - 16:34:49 +0000) CPU: Freescale i.MX6Q rev1.2 at 792 MHz Reset cause: POR Model: Freescale i.MX6 Quad SABRE Lite Board Board: SABRE Lite I2C: ready DRAM: 1 GiB MMC: FSL_SDHC: 0, FSL_SDHC: 1 Loading Environment from SPIFlash... SF: Detected gd25q16 with page size 256 Bytes, erase size 4 KiB, total 2 MiB *** Warning - bad CRC, using default environment In: serial Out: serial Err: serial Net: using phy at 7 FEC [PRIME], usb_ether Error: usb_ether address not set. starting USB... Bus usb@2184000: usb dr_mode not found Bus usb@2184200: USB EHCI 1.00 scanning bus usb@2184000 for devices... 1 USB Device(s) found scanning bus usb@2184200 for devices... 2 USB Device(s) found scanning usb for storage devices... 0 Storage Device(s) found scanning usb for ethernet devices... 0 Ethernet Device(s) found Couldn't find partition mmc 0:1 Error selecting device File System is consistent file found, deleting File System is consistent Hit any key to stop autoboot: 3  0 => setenv autoload no setenv autoload no => setenv initrd_high 0xffffffff setenv initrd_high 0xffffffff => setenv fdt_high 0xffffffff setenv fdt_high 0xffffffff => dhcp dhcp BOOTP broadcast 1 DHCP client bound to address 192.168.201.34 (3 ms) => setenv serverip 192.168.201.1 setenv serverip 192.168.201.1 => tftp 0x10000000 8138416/tftp-deploy-wk2o7r1i/kernel/zImage tftp 0x10000000 8138416/tftp-deploy-wk2o7r1i/kernel/zImage Using FEC device TFTP from server 192.168.201.1; our IP address is 192.168.201.34 Filename '8138416/tftp-deploy-wk2o7r1i/kernel/zImage'. Load address: 0x10000000 Loading: *################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ### 10.9 MiB/s done Bytes transferred = 12448256 (bdf200 hex) => tftp 0x14000000 8138416/tftp-deploy-wk2o7r1i/ramdisk/ramdisk.cpio.gz.uboot tftp 0x14000000 8138416/tftp-deploy-wk2o7r1i/ramdisk/ramdisk.cpio.gz.uboot Using FEC device TFTP from server 192.168.201.1; our IP address is 192.168.201.34 Filename '8138416/tftp-deploy-wk2o7r1i/ramdisk/ramdisk.cpio.gz.uboot'. Load address: 0x14000000 Loading: *################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# # 11.8 MiB/s done Bytes transferred = 15271718 (e90726 hex) => setenv initrd_size ${filesize} setenv initrd_size ${filesize} => tftp 0x13f00000 8138416/tftp-deploy-wk2o7r1i/dtb/imx6q-sabrelite.dtb tftp 0x13f00000 8138416/tftp-deploy-wk2o7r1i/dtb/imx6q-sabrelite.dtb Using FEC device TFTP from server 192.168.201.1; our IP address is 192.168.201.34 Filename '8138416/tftp-deploy-wk2o7r1i/dtb/imx6q-sabrelite.dtb'. Load address: 0x13f00000 Loading: *### 5.1 MiB/s done Bytes transferred = 42449 (a5d1 hex) => setenv bootargs 'console=ttymxc1,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/8138416/extract-nfsrootfs-knpv73x2,tcp,hard ip=dhcp' setenv bootargs 'console=ttymxc1,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/8138416/extract-nfsrootfs-knpv73x2,tcp,hard ip=dhcp' => bootz 0x10000000 0x14000000 0x13f00000 bootz 0x10000000 0x14000000 0x13f00000 Kernel image @ 0x10000000 [ 0x000000 - 0xbdf200 ] ## Loading init Ramdisk from Legacy Image at 14000000 ... Image Name: Image Type: ARM Linux RAMDisk Image (uncompressed) Data Size: 15271654 Bytes = 14.6 MiB Load Address: 00000000 Entry Point: 00000000 Verifying Checksum ... OK ## Flattened Device Tree blob at 13f00000 Booting using the fdt blob at 0x13f00000 Using Device Tree in place at 13f00000, end 13f0d5d0 Starting kernel ... [ 0.000000] Booting Linux on physical CPU 0x0 [ 0.000000] Linux version 5.10.155-cip21 (KernelCI@build-j588776-arm-gcc-10-multi-v7-defconfig-kselftest-x89h9) (arm-linux-gnueabihf-gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Sat Nov 26 10:42:54 UTC 2022 [ 0.000000] CPU: ARMv7 Processor [412fc09a] revision 10 (ARMv7), cr=10c5387d [ 0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache [ 0.000000] OF: fdt: Machine model: Freescale i.MX6 Quad SABRE Lite Board [ 0.000000] Memory policy: Data cache writealloc [ 0.000000] efi: UEFI not found. [ 0.000000] OF: fdt: Reserved memory: unsupported node format, ignoring [ 0.000000] cma: Reserved 64 MiB at 0x4c000000 [ 0.000000] Zone ranges: [ 0.000000] DMA [mem 0x0000000010000000-0x000000003fffffff] [ 0.000000] Normal empty [ 0.000000] HighMem [mem 0x0000000040000000-0x000000004fffffff] [ 0.000000] Movable zone start for each node [ 0.000000] Early memory node ranges [ 0.000000] node 0: [mem 0x0000000010000000-0x000000004fffffff] [ 0.000000] Initmem setup node 0 [mem 0x0000000010000000-0x000000004fffffff] [ 0.000000] percpu: Embedded 21 pages/cpu s55468 r8192 d22356 u86016 [ 0.000000] Built 1 zonelists, mobility grouping on. Total pages: 260608 [ 0.000000] Kernel command line: console=ttymxc1,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/8138416/extract-nfsrootfs-knpv73x2,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: 921604K/1048576K available (17408K kernel code, 2654K rwdata, 8120K rodata, 2048K init, 6693K bss, 61436K reserved, 65536K cma-reserved, 196608K highmem) [ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 [ 0.000000] ftrace: allocating 56055 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 333ns [ 0.000010] sched_clock: 32 bits at 3000kHz, resolution 333ns, wraps every 715827882841ns [ 0.000043] clocksource: mxc_timer1: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 637086815595 ns [ 0.004472] Console: colour dummy device 80x30 [ 0.004537] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 0.004566] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 0.004593] ... MAX_LOCK_DEPTH: 48 [ 0.004620] ... MAX_LOCKDEP_KEYS: 8192 [ 0.004645] ... CLASSHASH_SIZE: 4096 [ 0.004671] ... MAX_LOCKDEP_ENTRIES: 32768 [ 0.004697] ... MAX_LOCKDEP_CHAINS: 65536 [ 0.004724] ... CHAINHASH_SIZE: 32768 [ 0.004749] memory used by lock dependency info: 4061 kB [ 0.004776] memory used for stack traces: 2112 kB [ 0.004801] per task-struct memory footprint: 1536 bytes [ 0.004902] Calibrating delay loop (skipped), value calculated using timer frequency.. 6.00 BogoMIPS (lpj=30000) [ 0.004954] pid_max: default: 32768 minimum: 301 [ 0.005335] LSM: Security Framework initializing [ 0.005446] LSM support for eBPF active [ 0.005594] Mount-cache hash table entries: 2048 (order: 1, 8192 bytes, linear) [ 0.005647] Mountpoint-cache hash table entries: 2048 (order: 1, 8192 bytes, linear) [ 0.008219] CPU: Testing write buffer coherency: ok [ 0.008339] CPU0: Spectre v2: using BPIALL workaround [ 0.009440] CPU0: thread -1, cpu 0, socket 0, mpidr 80000000 [ 0.013346] Setting up static identity map for 0x10300000 - 0x103000ac [ 0.015798] rcu: Hierarchical SRCU implementation. [ 0.025463] EFI services will not be available. [ 0.026773] smp: Bringing up secondary CPUs ... [ 0.030134] CPU1: thread -1, cpu 1, socket 0, mpidr 80000001 [ 0.030150] CPU1: Spectre v2: using BPIALL workaround [ 0.034197] CPU2: thread -1, cpu 2, socket 0, mpidr 80000002 [ 0.034211] CPU2: Spectre v2: using BPIALL workaround [ 0.037886] CPU3: thread -1, cpu 3, socket 0, mpidr 80000003 [ 0.037901] CPU3: Spectre v2: using BPIALL workaround [ 0.038782] smp: Brought up 1 node, 4 CPUs [ 0.038827] SMP: Total of 4 processors activated (24.00 BogoMIPS). [ 0.039021] CPU: All CPU(s) started in SVC mode. [ 0.041779] devtmpfs: initialized [ 0.099414] VFP support v0.3: implementor 41 architecture 3 part 30 variant 9 rev 4 [ 0.102082] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 0.102156] futex hash table entries: 1024 (order: 4, 65536 bytes, linear) [ 0.106919] pinctrl core: initialized pinctrl subsystem [ 0.113933] DMI not present or invalid. [ 0.116245] NET: Registered protocol family 16 [ 0.127886] DMA: preallocated 256 KiB pool for atomic coherent allocations [ 0.137529] thermal_sys: Registered thermal governor 'step_wise' [ 0.138086] cpuidle: using governor menu [ 0.138618] CPU identified as i.MX6Q, silicon rev 1.2 [ 0.894445] vdd1p1: supplied by regulator-dummy [ 0.926665] vdd3p0: supplied by regulator-dummy [ 0.958397] vdd2p5: supplied by regulator-dummy [ 0.990313] vddarm: supplied by regulator-dummy [ 1.023020] vddpu: supplied by regulator-dummy [ 1.053799] vddsoc: supplied by regulator-dummy [ 2.403576] No ATAGs? [ 2.404499] hw-breakpoint: found 5 (+1 reserved) breakpoint and 1 watchpoint registers. [ 2.404583] hw-breakpoint: maximum watchpoint size is 4 bytes. [ 2.424643] imx6q-pinctrl 20e0000.pinctrl: initialized IMX pinctrl driver [ 2.454123] Serial: AMBA PL011 UART driver [ 2.519870] Kprobes globally optimized [ 2.639708] iommu: Default domain type: Translated [ 2.641844] vgaarb: loaded [ 2.646820] SCSI subsystem initialized [ 2.649013] usbcore: registered new interface driver usbfs [ 2.649321] usbcore: registered new interface driver hub [ 2.649564] usbcore: registered new device driver usb [ 2.657281] i2c i2c-0: IMX I2C adapter registered [ 2.664511] i2c i2c-1: IMX I2C adapter registered [ 2.669112] i2c i2c-2: IMX I2C adapter registered [ 2.673714] pps_core: LinuxPPS API ver. 1 registered [ 2.673757] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 2.673856] PTP clock support registered [ 2.691942] clocksource: Switched to clocksource mxc_timer1 [ 4.445856] NET: Registered protocol family 2 [ 4.446694] IP idents hash table entries: 16384 (order: 5, 131072 bytes, linear) [ 4.450819] tcp_listen_portaddr_hash hash table entries: 512 (order: 2, 22528 bytes, linear) [ 4.451002] TCP established hash table entries: 8192 (order: 3, 32768 bytes, linear) [ 4.451236] TCP bind hash table entries: 8192 (order: 6, 327680 bytes, linear) [ 4.452784] TCP: Hash tables configured (established 8192 bind 8192) [ 4.453836] MPTCP token hash table entries: 1024 (order: 3, 49152 bytes, linear) [ 4.454185] UDP hash table entries: 512 (order: 3, 49152 bytes, linear) [ 4.454445] UDP-Lite hash table entries: 512 (order: 3, 49152 bytes, linear) [ 4.455205] NET: Registered protocol family 1 [ 4.458069] RPC: Registered named UNIX socket transport module. [ 4.458159] RPC: Registered udp transport module. [ 4.458201] RPC: Registered tcp transport module. [ 4.458238] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 4.458293] NET: Registered protocol family 44 [ 4.458358] PCI: CLS 0 bytes, default 64 [ 4.460964] Trying to unpack rootfs image as initramfs... [ 6.332274] Freeing initrd memory: 14916K [ 6.333501] hw perfevents: no interrupt-affinity property for /pmu, guessing. [ 6.334815] hw perfevents: enabled with armv7_cortex_a9 PMU driver, 7 counters available [ 6.344064] Initialise system trusted keyrings [ 6.345515] workingset: timestamp_bits=30 max_order=18 bucket_order=0 [ 6.397477] squashfs: version 4.0 (2009/01/31) Phillip Lougher [ 6.402274] NFS: Registering the id_resolver key type [ 6.402475] Key type id_resolver registered [ 6.402570] Key type id_legacy registered [ 6.403243] nfs4filelayout_init: NFSv4 File Layout Driver Registering... [ 6.403348] nfs4flexfilelayout_init: NFSv4 Flexfile Layout Driver Registering... [ 6.403539] ntfs: driver 2.1.32 [Flags: R/O]. [ 6.405764] Key type asymmetric registered [ 6.405890] Asymmetric key parser 'x509' registered [ 6.406334] bounce: pool size: 64 pages [ 6.406504] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 247) [ 6.406608] io scheduler mq-deadline registered [ 6.406648] io scheduler kyber registered [ 6.407595] test_firmware: interface ready [ 6.589644] mxs-dma 110000.dma-apbh: initialized [ 6.655582] imx-sdma 20ec000.sdma: Direct firmware load for imx/sdma/sdma-imx6q.bin failed with error -2 [ 6.655836] imx-sdma 20ec000.sdma: external firmware not found, using ROM firmware [ 6.915627] Serial: 8250/16550 driver, 5 ports, IRQ sharing enabled [ 6.936830] SuperH (H)SCI(F) driver initialized [ 6.939851] 2020000.serial: ttymxc0 at MMIO 0x2020000 (irq = 34, base_baud = 5000000) is a IMX [ 6.945221] 21e8000.serial: ttymxc1 at MMIO 0x21e8000 (irq = 81, base_baud = 5000000) is a IMX [ 7.877701] printk: console [ttymxc1] enabled [ 7.888754] msm_serial: driver initialized [ 7.894080] STMicroelectronics ASC driver initialized [ 7.905874] STM32 USART driver initialized [ 7.932979] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 0 [ 7.955670] panel-simple panel-lcd: supply power not found, using dummy regulator [ 7.964163] panel-simple panel-lcd: Specify missing connector_type [ 7.972288] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 8.027971] brd: module loaded [ 8.091114] loop: module loaded [ 8.097773] lkdtm: No crash points registered, enable through debugfs [ 8.120443] ahci-imx 2200000.sata: fsl,transmit-level-mV not specified, using 00000024 [ 8.128498] ahci-imx 2200000.sata: fsl,transmit-boost-mdB not specified, using 00000480 [ 8.136606] ahci-imx 2200000.sata: fsl,transmit-atten-16ths not specified, using 00002000 [ 8.144897] ahci-imx 2200000.sata: fsl,receive-eq-mdB not specified, using 05000000 [ 8.152970] ahci-imx 2200000.sata: supply ahci not found, using dummy regulator [ 8.161167] ahci-imx 2200000.sata: supply phy not found, using dummy regulator [ 8.169024] ahci-imx 2200000.sata: supply target not found, using dummy regulator [ 8.180494] ahci-imx 2200000.sata: SSS flag set, parallel bus scan disabled [ 8.187626] ahci-imx 2200000.sata: AHCI 0001.0300 32 slots 1 ports 3 Gbps 0x1 impl platform mode [ 8.196525] ahci-imx 2200000.sata: flags: ncq sntf stag pm led clo only pmp pio slum part ccc apst [ 8.211016] scsi host0: ahci-imx [ 8.216771] ata1: SATA max UDMA/133 mmio [mem 0x02200000-0x02203fff] port 0x100 irq 84 [ 8.283441] bgmac_bcma: Broadcom 47xx GBit MAC driver loaded [ 8.297175] pps pps0: new PPS source ptp0 [ 8.343901] fec 2188000.ethernet eth0: registered PHC device 0 [ 8.354861] e1000e: Intel(R) PRO/1000 Network Driver [ 8.359866] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. [ 8.366126] igb: Intel(R) Gigabit Ethernet Network Driver [ 8.371564] igb: Copyright (c) 2007-2014 Intel Corporation. [ 8.399902] pegasus: v0.9.3 (2013/04/25), Pegasus/Pegasus II USB Ethernet driver [ 8.407562] usbcore: registered new interface driver pegasus [ 8.413560] usbcore: registered new interface driver asix [ 8.419141] usbcore: registered new interface driver ax88179_178a [ 8.425473] usbcore: registered new interface driver cdc_ether [ 8.431556] usbcore: registered new interface driver smsc75xx [ 8.437602] usbcore: registered new interface driver smsc95xx [ 8.443598] usbcore: registered new interface driver net1080 [ 8.449438] usbcore: registered new interface driver cdc_subset [ 8.455623] usbcore: registered new interface driver zaurus [ 8.461484] usbcore: registered new interface driver cdc_ncm [ 8.480381] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 8.487080] ehci-pci: EHCI PCI platform driver [ 8.491785] ehci-platform: EHCI generic platform driver [ 8.498083] ehci-orion: EHCI orion driver [ 8.503120] SPEAr-ehci: EHCI SPEAr driver [ 8.508077] ehci-st: EHCI STMicroelectronics driver [ 8.513955] ehci-exynos: EHCI Exynos driver [ 8.519073] ehci-atmel: EHCI Atmel driver [ 8.524063] tegra-ehci: Tegra EHCI driver [ 8.529034] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 8.535380] ohci-pci: OHCI PCI platform driver [ 8.540022] ohci-platform: OHCI generic platform driver [ 8.546310] SPEAr-ohci: OHCI SPEAr driver [ 8.551244] ohci-st: OHCI STMicroelectronics driver [ 8.557093] ohci-atmel: OHCI Atmel driver [ 8.564385] ata1: SATA link down (SStatus 0 SControl 300) [ 8.564756] usbcore: registered new interface driver usb-storage [ 8.570179] ahci-imx 2200000.sata: no device found, disabling link. [ 8.582320] ahci-imx 2200000.sata: pass ahci_imx..hotplug=1 to enable hotplug [ 8.609881] i2c /dev entries driver [ 8.699104] sdhci: Secure Digital Host Controller Interface driver [ 8.705399] sdhci: Copyright(c) Pierre Ossman [ 8.719705] Synopsys Designware Multimedia Card Interface Driver [ 8.733468] sdhci-pltfm: SDHCI platform and OF driver helper [ 8.743108] sdhci-esdhc-imx 2198000.mmc: Got CD GPIO [ 8.748326] sdhci-esdhc-imx 2198000.mmc: Got WP GPIO [ 8.755737] ledtrig-cpu: registered to indicate activity on CPUs [ 8.757789] sdhci-esdhc-imx 219c000.mmc: Got CD GPIO [ 8.765642] usbcore: registered new interface driver usbhid [ 8.772500] usbhid: USB HID core driver [ 8.801812] ipip: IPv4 and MPLS over IPv4 tunneling driver [ 8.806256] mmc3: SDHCI controller on 219c000.mmc [219c000.mmc] using ADMA [ 8.810027] gre: GRE over IPv4 demultiplexor driver [ 8.817387] mmc2: SDHCI controller on 2198000.mmc [2198000.mmc] using ADMA [ 8.819188] ip_gre: GRE over IPv4 tunneling driver [ 8.825574] IPv4 over IPsec tunneling driver [ 8.840766] NET: Registered protocol family 10 [ 8.852170] Segment Routing with IPv6 [ 8.862460] ip6_gre: GRE over IPv6 tunneling driver [ 8.868172] mmc2: new high speed SDHC card at address 59b4 [ 8.870501] NET: Registered protocol family 17 [ 8.877821] mmcblk2: mmc2:59b4 SD 14.7 GiB [ 8.879946] 8021q: 802.1Q VLAN Support v1.8 [ 8.888296] Key type dns_resolver registered [ 8.900749] GPT:Primary header thinks Alt. header is not at the end of the disk. [ 8.908460] GPT:29296874 != 30863359 [ 8.908508] ThumbEE CPU extension supported. [ 8.912174] GPT:Alternate GPT header not at the end of the disk. [ 8.916459] Registering SWP/SWPB emulation handler [ 8.922547] GPT:29296874 != 30863359 [ 8.930988] GPT: Use GNU Parted to correct GPT errors. [ 8.932482] Loading compiled-in X.509 certificates [ 8.936307] mmcblk2: p1 p2 p3 [ 9.125770] panel-simple panel-lcd: supply power not found, using dummy regulator [ 9.134278] panel-simple panel-lcd: Specify missing connector_type [ 9.147679] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 9.184731] imx_usb 2184200.usb: No over current polarity defined [ 9.198237] ci_hdrc ci_hdrc.1: EHCI Host Controller [ 9.203607] ci_hdrc ci_hdrc.1: new USB bus registered, assigned bus number 1 [ 9.232390] ci_hdrc ci_hdrc.1: USB 2.0 started, EHCI 1.00 [ 9.253832] hub 1-0:1.0: USB hub found [ 9.260137] hub 1-0:1.0: 1 port detected [ 9.276978] imx_thermal 20c8000.anatop:tempmon: Automotive CPU temperature grade - max:125C critical:120C passive:115C [ 9.309842] panel-simple panel-lcd: supply power not found, using dummy regulator [ 9.318233] panel-simple panel-lcd: Specify missing connector_type [ 9.331744] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 9.363488] panel-simple panel-lcd: supply power not found, using dummy regulator [ 9.371843] panel-simple panel-lcd: Specify missing connector_type [ 9.385277] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 9.404468] input: gpio-keys as /devices/platform/gpio-keys/input/input0 [ 9.434062] panel-simple panel-lcd: supply power not found, using dummy regulator [ 9.442399] panel-simple panel-lcd: Specify missing connector_type [ 9.455811] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 9.477611] Micrel KSZ9021 Gigabit PHY 2188000.ethernet-1:07: attached PHY driver [Micrel KSZ9021 Gigabit PHY] (mii_bus:phy_addr=2188000.ethernet-1:07, irq=POLL) [ 9.493099] IP-Config: Failed to open gretap0 [ 9.497502] IP-Config: Failed to open erspan0 [ 9.532270] Sending DHCP requests . [ 9.652043] usb 1-1: new high-speed USB device number 2 using ci_hdrc [ 9.871530] hub 1-1:1.0: USB hub found [ 9.877405] hub 1-1:1.0: 3 ports detected [ 9.912884] panel-simple panel-lcd: supply power not found, using dummy regulator [ 9.921367] panel-simple panel-lcd: Specify missing connector_type [ 9.936969] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 12.271987] . [ 12.633492] fec 2188000.ethernet eth0: Link is Up - 1Gbps/Full - flow control off [ 12.644668] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready [ 17.072152] ., OK [ 17.114549] IP-Config: Got DHCP answer from 192.168.201.1, my address is 192.168.201.34 [ 17.122804] IP-Config: Complete: [ 17.126120] device=eth0, hwaddr=00:19:b8:08:f1:10, ipaddr=192.168.201.34, mask=255.255.255.0, gw=192.168.201.1 [ 17.136894] host=imx6q-sabrelite-lava-cbg-4, domain=lava-rack, nis-domain=(none) [ 17.144908] bootserver=192.168.201.1, rootserver=192.168.201.1, rootpath= [ 17.144955] nameserver0=192.168.201.1 [ 17.215474] Freeing unused kernel memory: 2048K [ 17.222727] Run /init as init process Loading, please wait... Starting version 247.3-7+deb11u1 [ 21.377349] imx-ipuv3 2400000.ipu: IPUv3H probed [ 21.412757] imx-ipuv3 2800000.ipu: IPUv3H probed [ 21.414185] panel-simple panel-lcd: supply power not found, using dummy regulator [ 21.442343] panel-simple panel-lcd: Specify missing connector_type [ 21.456612] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 21.528378] CAN device driver interface [ 21.531025] panel-simple panel-lcd: supply power not found, using dummy regulator [ 21.562189] panel-simple panel-lcd: Specify missing connector_type [ 21.576014] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 21.640385] panel-simple panel-lcd: supply power not found, using dummy regulator [ 21.664786] panel-simple panel-lcd: Specify missing connector_type [ 21.688319] etnaviv etnaviv: bound 130000.gpu (ops gpu_ops [etnaviv]) [ 21.703011] etnaviv etnaviv: bound 134000.gpu (ops gpu_ops [etnaviv]) [ 21.710687] etnaviv etnaviv: bound 2204000.gpu (ops gpu_ops [etnaviv]) [ 21.717440] etnaviv-gpu 130000.gpu: model: GC2000, revision: 5108 [ 21.743871] caam 2100000.crypto: Entropy delay = 3200 [ 21.809754] caam 2100000.crypto: Instantiated RNG4 SH0 [ 21.870523] caam 2100000.crypto: Instantiated RNG4 SH1 [ 21.875790] caam 2100000.crypto: device ID = 0x0a16010000000000 (Era 4) [ 21.882520] caam 2100000.crypto: job rings = 2, qi = 0 [ 21.901261] etnaviv-gpu 134000.gpu: model: GC320, revision: 5007 [ 21.911725] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 21.917156] etnaviv-gpu 2204000.gpu: model: GC355, revision: 1215 [ 21.925823] etnaviv-gpu 2204000.gpu: Ignoring GPU with VG and FE2.0 [ 21.949279] panel-simple panel-lcd: supply power not found, using dummy regulator [ 21.957852] panel-simple panel-lcd: Specify missing connector_type [ 21.965987] [drm] Initialized etnaviv 1.3.0 20151214 for etnaviv on minor 1 [ 21.977324] usb_phy_generic usbphynop1: supply vcc not found, using dummy regulator [ 21.983014] sgtl5000 0-000a: sgtl5000 revision 0x11 [ 21.984112] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 21.987285] usb_phy_generic usbphynop1: dummy supplies not allowed for exclusive requests [ 22.004539] sgtl5000 0-000a: Using internal LDO instead of VDDD: check ER1 erratum [ 22.006934] usb_phy_generic usbphynop2: supply vcc not found, using dummy regulator [ 22.014458] panel-simple panel-lcd: supply power not found, using dummy regulator [ 22.022488] usb_phy_generic usbphynop2: dummy supplies not allowed for exclusive requests [ 22.029989] panel-simple panel-lcd: Specify missing connector_type [ 22.043348] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) [ 22.051082] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 22.052269] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) [ 22.068247] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) [ 22.077147] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) [ 22.085353] panel-simple panel-lcd: supply power not found, using dummy regulator [ 22.086282] panel-simple panel-lcd: Specify missing connector_type [ 22.107685] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 22.155004] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) [ 22.163988] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) [ 22.172762] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) [ 22.181177] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) [ 22.238518] panel-simple panel-lcd: supply power not found, using dummy regulator [ 22.261997] panel-simple panel-lcd: Specify missing connector_type [ 22.276079] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 23.108796] caam algorithms registered in /proc/crypto [ 23.122905] caam 2100000.crypto: registering rng-caam [ 23.250903] random: crng init done [ 23.285357] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) [ 23.293920] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) [ 23.302581] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) [ 23.310994] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) [ 23.325969] panel-simple panel-lcd: supply power not found, using dummy regulator [ 23.334552] panel-simple panel-lcd: Specify missing connector_type Begin: Loading essential drivers [ 23.348671] panel-simple panel-lvds0: supply power not found, using dummy regulator ... 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 00:19:b8:08:f1:10 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 192.168.201.1): address: 192.168.201.34 broadcast: 192.168.201.255 netmask: 255.255.255.0 gateway: 192.168.201.1 dns0 : 192.168.201.1 dns1 : 0.0.0.0 host : imx6q-sabrelite-lava-cbg-4 domain : lava-rack rootserver: 192.168.201.1 rootpath: filename : done. Begin: Running /scripts/nfs-bottom ... done. Begin: Running /scripts/init-bottom ... done. [ 25.552929] systemd[1]: System time before build time, advancing clock. [ 25.844234] systemd[1]: systemd 247.3-7+deb11u1 running in system mode. (+PAM +AUDIT +SELINUX +IMA +APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL +XZ +LZ4 +ZSTD +SECCOMP +BLKID +ELFUTILS +KMOD +IDN2 -IDN +PCRE2 default-hierarchy=unified) [ 25.871744] systemd[1]: Detected architecture arm. Welcome to Debian GNU/Linux 11 (bullseye)! [ 25.929210] systemd[1]: Set hostname to . [ 27.601040] systemd[1]: Queued start job for default target Graphical Interface. [ 27.616712] systemd[1]: Created slice system-getty.slice. [ OK ] Created slice system-getty.slice. [ 27.635774] systemd[1]: Created slice system-modprobe.slice. [ OK ] Created slice system-modprobe.slice. [ 27.677374] systemd[1]: Created slice system-serial\x2dgetty.slice. [ OK ] Created slice system-serial\x2dgetty.slice. [ 27.727891] systemd[1]: Created slice User and Session Slice. [ OK ] Created slice User and Session Slice. [ 27.777668] systemd[1]: Started Dispatch Password Requests to Console Directory Watch. [ OK ] Started Dispatch Password …ts to Console Directory Watch. [ 27.825370] systemd[1]: Started Forward Password Requests to Wall Directory Watch. [ OK ] Started Forward Password R…uests to Wall Directory Watch. [ 27.883808] systemd[1]: Condition check resulted in Arbitrary Executable File Formats File System Automount Point being skipped. [ 27.897569] systemd[1]: Reached target Local Encrypted Volumes. [ OK ] Reached target Local Encrypted Volumes. [ 27.943328] systemd[1]: Reached target Paths. [ OK ] Reached target Paths. [ 27.982535] systemd[1]: Reached target Remote File Systems. [ OK ] Reached target Remote File Systems. [ 28.022733] systemd[1]: Reached target Slices. [ OK ] Reached target Slices. [ 28.063941] systemd[1]: Reached target Swap. [ OK ] Reached target Swap. [ 28.104288] systemd[1]: Listening on initctl Compatibility Named Pipe. [ OK ] Listening on initctl Compatibility Named Pipe. [ 28.208626] systemd[1]: Condition check resulted in Journal Audit Socket being skipped. [ 28.222527] systemd[1]: Listening on Journal Socket (/dev/log). [ OK ] Listening on Journal Socket (/dev/log). [ 28.269099] systemd[1]: Listening on Journal Socket. [ OK ] Listening on Journal Socket. [ 28.319344] systemd[1]: Listening on Network Service Netlink Socket. [ OK ] Listening on Network Service Netlink Socket. [ 28.373935] systemd[1]: Listening on udev Control Socket. [ OK ] Listening on udev Control Socket. [ 28.414696] systemd[1]: Listening on udev Kernel Socket. [ OK ] Listening on udev Kernel Socket. [ 28.455941] systemd[1]: Condition check resulted in Huge Pages File System being skipped. [ 28.466306] systemd[1]: Condition check resulted in POSIX Message Queue File System being skipped. [ 28.485635] systemd[1]: Mounting Kernel Debug File System... Mounting Kernel Debug File System... [ 28.536672] systemd[1]: Mounting Kernel Trace File System... Mounting Kernel Trace File System... [ 28.583262] systemd[1]: Starting Create list of static device nodes for the current kernel... Starting Create list of st…odes for the current kernel... [ 28.633056] systemd[1]: Starting Load Kernel Module configfs... Starting Load Kernel Module configfs... [ 28.684377] systemd[1]: Starting Load Kernel Module drm... Starting Load Kernel Module drm... [ 28.732260] systemd[1]: Starting Load Kernel Module fuse... Starting Load Kernel Module fuse... [ 28.802479] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped. [ 28.809453] fuse: init (API version 7.32) [ 28.834899] systemd[1]: Starting Journal Service... Starting Journal Service... [ 28.904933] systemd[1]: Starting Load Kernel Modules... Starting Load Kernel Modules... [ 28.963355] systemd[1]: Starting Remount Root and Kernel File Systems... Starting Remount Root and Kernel File Systems... [ 29.022005] systemd[1]: Starting Coldplug All udev Devices... Starting Coldplug All udev Devices... [ 29.090557] systemd[1]: Mounted Kernel Debug File System. [ OK ] Mounted Kernel Debug File System. [ 29.143929] systemd[1]: Mounted Kernel Trace File System. [ OK ] Mounted Kernel Trace File System. [ 29.200638] systemd[1]: Finished Create list of static device nodes for the current kernel. [ OK ] Finished Create list of st… nodes for the current kernel. [ 29.297398] systemd[1]: modprobe@configfs.service: Succeeded. [ 29.308743] systemd[1]: Finished Load Kernel Module configfs. [ OK ] Finished Load Kernel Module configfs. [ 29.368043] systemd[1]: modprobe@drm.service: Succeeded. [ 29.379194] systemd[1]: Finished Load Kernel Module drm. [ OK ] Finished Load Kernel Module drm. [ 29.437781] systemd[1]: modprobe@fuse.service: Succeeded. [ 29.448575] systemd[1]: Finished Load Kernel Module fuse. [ OK ] Finished Load Kernel Module fuse. [ 29.507942] systemd[1]: Finished Load Kernel Modules. [ OK ] Finished Load Kernel Modules. [ 29.547621] systemd[1]: Finished Remount Root and Kernel File Systems. [ OK ] Finished Remount Root and Kernel File Systems. [ 29.603811] systemd[1]: Started Journal Service. [ OK ] Started Journal Service. Mounting FUSE Control File System... Mounting Kernel Configuration File System... Starting Flush Journal to Persistent Storage... Starting Load/Save Random Seed... Starting Apply Kernel Variables... [ 29.871547] systemd-journald[270]: Received client request to flush runtime journal. Starting Create System Users... [ OK ] Mounted FUSE Control File System. [ OK ] Mounted Kernel Configuration File System. [ OK ] Finished Load/Save Random Seed. [ OK ] Finished Apply Kernel Variables. [ OK ] Finished Create System Users. Starting Create Static Device Nodes in /dev... [ OK ] Finished Flush Journal to Persistent Storage. [ OK ] Finished Create Static Device Nodes in /dev. [ OK ] Reached target Local File Systems (Pre). [ OK ] Reached target Local File Systems. Starting Create Volatile Files and Directories... Starting Rule-based Manage…for Device Events and Files... [ OK ] Started Rule-based Manager for Device Events and Files. Starting Network Service... [ OK ] Finished Create Volatile Files and Directories. Starting Network Time Synchronization... Starting Update UTMP about System Boot/Shutdown... [ OK ] Finished Update UTMP about System Boot/Shutdown. [ OK ] Started Network Service. Starting Network Name Resolution... [ OK ] Started Network Time Synchronization. [ OK ] Reached target System Time Set. [ OK ] Reached target System Time Synchronized. [ OK ] Started Network Name Resolution. [ OK ] Reached target Network. [ OK ] Reached target Host and Network Name Lookups. [ OK ] Reached target Hardware activated USB gadget. [ OK ] Found device /dev/ttymxc1. [ OK ] Finished Coldplug All udev Devices. [ OK ] Reached target System Initialization. [ OK ] Started Daily apt download activities. [ OK ] Started Daily apt upgrade and clean activities. [ OK ] Started Periodic ext4 Onli…ata Check for All Filesystems. [ OK ] Started Discard unused blocks once a week. [ OK ] Started Daily Cleanup of Temporary Directories. [ OK ] Reached target Timers. [ OK ] Listening on D-Bus System Message Bus Socket. [ OK ] Reached target Sockets. [ OK ] Reached target Basic System. [ OK ] Started D-Bus System Message Bus. Starting Remove Stale Onli…t4 Metadata Check Snapshots... Starting User Login Management... Starting Permit User Sessions... [ OK ] Finished Permit User Sessions. [ OK ] Finished Remove Stale Onli…ext4 Metadata Check Snapshots. [ OK ] Started User Login Management. [ OK ] Listening on Load/Save RF …itch Status /dev/rfkill Watch. [ OK ] Started Getty on tty1. [ OK ] Started Serial Getty on ttymxc1. [ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Finished Update UTMP about System Runlevel Changes. Debian GNU/Linux 11 debian-bullseye-armhf ttymxc1 debian-bullseye-armhf login: root (automatic login) Linux debian-bullseye-armhf 5.10.155-cip21 #1 SMP Sat Nov 26 10:42:54 UTC 2022 armv7l The programs included with the Debian GNU/Linux system are free software; the exact distribution terms for each program are described in the individual files in /usr/share/doc/*/copyright. Debian GNU/Linux comes with ABSOLUTELY NO WARRANTY, to the extent permitted by applicable law. / # / # export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/8138416/extract-nfsrootfs-knpv73x2' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/8138416/extract-nfsrootfs-knpv73x2' / # export NFS_SERVER_IP='192.168.201.1' export NFS_SERVER_IP='192.168.201.1' / # # # / # export SHELL=/bin/bash export SHELL=/bin/bash / # . /lava-8138416/environment . /lava-8138416/environment / # /lava-8138416/bin/lava-test-runner /lava-8138416/0 /lava-8138416/bin/lava-test-runner /lava-8138416/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-8138416/0/tests/0_timesync-off ++ cat uuid + UUID=8138416_1.6.2.4.1 + set +x + systemctl stop systemd-timesyncd + set +x + export TESTRUN_ID=1_kselftest-lkdtm + TESTRUN_ID=1_kselftest-lkdtm + cd /lava-8138416/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=8138416_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/v5.10.155-cip21/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/ -n 1 -i 1 INFO: Generating a skipfile based on /lava-8138416/0/tests/1_kselftest-lkdtm/automated/linux/kselftest/skipfile-lkft.yaml INFO: Using the following generated skipfile contents (until EOF): breakpoints:breakpoint_test breakpoints:step_after_suspend_test ftrace:ftracetest net:rtnetlink.sh net:tls netfilter:bridge_brouter.sh netfilter:nft_flowtable.sh netfilter:nft_trans_stress.sh pidfd:pidfd_wait INFO: EOF INFO: Installing sed perl wget xz-utils iproute2 Hit:1 http://deb.debian.org/debian bullseye InRelease Reading package lists... Reading package lists... Building dependency tree... Reading state information... iproute2 is already the newest version (5.10.0-4). perl is already the newest version (5.32.1-4+deb11u2). sed is already the newest version (4.7-1). wget is already the newest version (1.21-1+deb11u1). xz-utils is already the newest version (5.2.5-2.1~deb11u1). 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded. --2022-11-26 10:57:23-- http://storage.kernelci.org/cip/linux-5.10.y-cip/v5.10.155-cip21/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: 1407668 (1.3M) [application/octet-stream] Saving to: 'kselftest.tar.xz' kselftest.tar.xz 0%[ ] 0 --.-KB/s kselftest.tar.xz 2%[ ] 28.94K 103KB/s kselftest.tar.xz 6%[> ] 94.47K 167KB/s kselftest.tar.xz 10%[=> ] 148.21K 174KB/s kselftest.tar.xz 14%[=> ] 197.21K 173KB/s kselftest.tar.xz 16%[==> ] 225.50K 158KB/s kselftest.tar.xz 18%[==> ] 260.85K 152KB/s kselftest.tar.xz 20%[===> ] 288.20K 144KB/s kselftest.tar.xz 21%[===> ] 296.20K 132KB/s kselftest.tar.xz 23%[===> ] 317.89K 124KB/s kselftest.tar.xz 24%[===> ] 334.86K 117KB/s kselftest.tar.xz 25%[====> ] 354.66K 113KB/s eta 9s kselftest.tar.xz 27%[====> ] 377.28K 110KB/s eta 9s kselftest.tar.xz 29%[====> ] 402.74K 108KB/s eta 9s kselftest.tar.xz 30%[=====> ] 423.95K 108KB/s eta 9s kselftest.tar.xz 31%[=====> ] 431.95K 104KB/s eta 9s kselftest.tar.xz 33%[=====> ] 453.64K 104KB/s eta 9s kselftest.tar.xz 33%[=====> ] 466.37K 102KB/s eta 9s kselftest.tar.xz 35%[======> ] 487.58K 102KB/s eta 9s kselftest.tar.xz 36%[======> ] 508.31K 90.6KB/s eta 9s kselftest.tar.xz 38%[======> ] 528.59K 84.7KB/s eta 9s kselftest.tar.xz 39%[======> ] 546.97K 79.0KB/s eta 9s kselftest.tar.xz 41%[=======> ] 563.94K 77.9KB/s eta 9s kselftest.tar.xz 42%[=======> ] 580.91K 74.7KB/s eta 9s kselftest.tar.xz 43%[=======> ] 600.71K 74.4KB/s eta 8s kselftest.tar.xz 45%[========> ] 628.50K 77.4KB/s eta 8s kselftest.tar.xz 47%[========> ] 647.37K 78.7KB/s eta 8s kselftest.tar.xz 48%[========> ] 665.75K 80.0KB/s eta 8s kselftest.tar.xz 50%[=========> ] 688.38K 81.0KB/s eta 7s kselftest.tar.xz 52%[=========> ] 715.25K 82.3KB/s eta 7s kselftest.tar.xz 54%[=========> ] 746.35K 83.8KB/s eta 7s kselftest.tar.xz 55%[==========> ] 761.42K 81.8KB/s eta 7s kselftest.tar.xz 57%[==========> ] 786.88K 85.8KB/s eta 6s kselftest.tar.xz 58%[==========> ] 805.75K 83.6KB/s eta 6s kselftest.tar.xz 60%[===========> ] 834.03K 85.8KB/s eta 6s kselftest.tar.xz 62%[===========> ] 865.14K 87.3KB/s eta 6s kselftest.tar.xz 63%[===========> ] 867.96K 81.4KB/s eta 6s kselftest.tar.xz 64%[===========> ] 889.17K 83.1KB/s eta 6s kselftest.tar.xz 65%[============> ] 906.14K 81.0KB/s eta 6s kselftest.tar.xz 67%[============> ] 924.53K 79.9KB/s eta 6s kselftest.tar.xz 68%[============> ] 945.74K 79.4KB/s eta 5s kselftest.tar.xz 70%[=============> ] 969.78K 79.2KB/s eta 5s kselftest.tar.xz 72%[=============> ] 996.64K 80.3KB/s eta 5s kselftest.tar.xz 74%[=============> ] 1.00M 81.2KB/s eta 5s kselftest.tar.xz 75%[==============> ] 1.02M 80.6KB/s eta 4s kselftest.tar.xz 77%[==============> ] 1.05M 82.5KB/s eta 4s kselftest.tar.xz 79%[==============> ] 1.07M 81.9KB/s eta 4s kselftest.tar.xz 80%[===============> ] 1.08M 78.7KB/s eta 4s kselftest.tar.xz 82%[===============> ] 1.11M 79.3KB/s eta 3s kselftest.tar.xz 83%[===============> ] 1.12M 79.6KB/s eta 3s kselftest.tar.xz 85%[================> ] 1.14M 78.5KB/s eta 3s kselftest.tar.xz 86%[================> ] 1.16M 77.8KB/s eta 3s kselftest.tar.xz 88%[================> ] 1.18M 78.4KB/s eta 3s kselftest.tar.xz 89%[================> ] 1.21M 83.2KB/s eta 2s kselftest.tar.xz 91%[=================> ] 1.23M 83.7KB/s eta 2s kselftest.tar.xz 93%[=================> ] 1.25M 85.0KB/s eta 2s kselftest.tar.xz 95%[==================> ] 1.28M 85.2KB/s eta 2s kselftest.tar.xz 97%[==================> ] 1.31M 85.9KB/s eta 0s kselftest.tar.xz 99%[==================> ] 1.33M 85.8KB/s eta 0s kselftest.tar.xz 100%[===================>] 1.34M 87.5KB/s in 15s 2022-11-26 10:57:39 (89.0 KB/s) - 'kselftest.tar.xz' saved [1407668/1407668] skiplist: ======================================== breakpoints:breakpoint_test breakpoints:step_after_suspend_test ftrace:ftracetest net:rtnetlink.sh net:tls netfilter:bridge_brouter.sh netfilter:nft_flowtable.sh netfilter:nft_trans_stress.sh pidfd:pidfd_wait ======================================== lkdtm:PANIC.sh lkdtm:BUG.sh lkdtm:WARNING.sh lkdtm:WARNING_MESSAGE.sh lkdtm:EXCEPTION.sh lkdtm:LOOP.sh lkdtm:EXHAUST_STACK.sh lkdtm:CORRUPT_STACK.sh lkdtm:CORRUPT_STACK_STRONG.sh lkdtm:CORRUPT_LIST_ADD.sh lkdtm:CORRUPT_LIST_DEL.sh lkdtm:STACK_GUARD_PAGE_LEADING.sh lkdtm:STACK_GUARD_PAGE_TRAILING.sh lkdtm:UNSET_SMEP.sh lkdtm:DOUBLE_FAULT.sh lkdtm:CORRUPT_PAC.sh lkdtm:UNALIGNED_LOAD_STORE_WRITE.sh lkdtm:OVERWRITE_ALLOCATION.sh lkdtm:WRITE_AFTER_FREE.sh lkdtm:READ_AFTER_FREE.sh lkdtm:WRITE_BUDDY_AFTER_FREE.sh lkdtm:READ_BUDDY_AFTER_FREE.sh lkdtm:SLAB_FREE_DOUBLE.sh lkdtm:SLAB_FREE_CROSS.sh lkdtm:SLAB_FREE_PAGE.sh lkdtm:SOFTLOCKUP.sh lkdtm:HARDLOCKUP.sh lkdtm:SPINLOCKUP.sh lkdtm:HUNG_TASK.sh lkdtm:EXEC_DATA.sh lkdtm:EXEC_STACK.sh lkdtm:EXEC_KMALLOC.sh lkdtm:EXEC_VMALLOC.sh lkdtm:EXEC_RODATA.sh lkdtm:EXEC_USERSPACE.sh lkdtm:EXEC_NULL.sh lkdtm:ACCESS_USERSPACE.sh lkdtm:ACCESS_NULL.sh lkdtm:WRITE_RO.sh lkdtm:WRITE_RO_AFTER_INIT.sh lkdtm:WRITE_KERN.sh lkdtm:REFCOUNT_INC_OVERFLOW.sh lkdtm:REFCOUNT_ADD_OVERFLOW.sh lkdtm:REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_DEC_ZERO.sh lkdtm:REFCOUNT_DEC_NEGATIVE.sh lkdtm:REFCOUNT_DEC_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_SUB_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_INC_ZERO.sh lkdtm:REFCOUNT_ADD_ZERO.sh lkdtm:REFCOUNT_INC_SATURATED.sh lkdtm:REFCOUNT_DEC_SATURATED.sh lkdtm:REFCOUNT_ADD_SATURATED.sh lkdtm:REFCOUNT_INC_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_DEC_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_SUB_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_TIMING.sh lkdtm:ATOMIC_TIMING.sh lkdtm:USERCOPY_HEAP_SIZE_TO.sh lkdtm:USERCOPY_HEAP_SIZE_FROM.sh lkdtm:USERCOPY_HEAP_WHITELIST_TO.sh lkdtm:USERCOPY_HEAP_WHITELIST_FROM.sh lkdtm:USERCOPY_STACK_FRAME_TO.sh lkdtm:USERCOPY_STACK_FRAME_FROM.sh lkdtm:USERCOPY_STACK_BEYOND.sh lkdtm:USERCOPY_KERNEL.sh lkdtm:STACKLEAK_ERASING.sh lkdtm:CFI_FORWARD_PROTO.sh ============== Tests to run =============== lkdtm:PANIC.sh lkdtm:BUG.sh lkdtm:WARNING.sh lkdtm:WARNING_MESSAGE.sh lkdtm:EXCEPTION.sh lkdtm:LOOP.sh lkdtm:EXHAUST_STACK.sh lkdtm:CORRUPT_STACK.sh lkdtm:CORRUPT_STACK_STRONG.sh lkdtm:CORRUPT_LIST_ADD.sh lkdtm:CORRUPT_LIST_DEL.sh lkdtm:STACK_GUARD_PAGE_LEADING.sh lkdtm:STACK_GUARD_PAGE_TRAILING.sh lkdtm:UNSET_SMEP.sh lkdtm:DOUBLE_FAULT.sh lkdtm:CORRUPT_PAC.sh lkdtm:UNALIGNED_LOAD_STORE_WRITE.sh lkdtm:OVERWRITE_ALLOCATION.sh lkdtm:WRITE_AFTER_FREE.sh lkdtm:READ_AFTER_FREE.sh lkdtm:WRITE_BUDDY_AFTER_FREE.sh lkdtm:READ_BUDDY_AFTER_FREE.sh lkdtm:SLAB_FREE_DOUBLE.sh lkdtm:SLAB_FREE_CROSS.sh lkdtm:SLAB_FREE_PAGE.sh lkdtm:SOFTLOCKUP.sh lkdtm:HARDLOCKUP.sh lkdtm:SPINLOCKUP.sh lkdtm:HUNG_TASK.sh lkdtm:EXEC_DATA.sh lkdtm:EXEC_STACK.sh lkdtm:EXEC_KMALLOC.sh lkdtm:EXEC_VMALLOC.sh lkdtm:EXEC_RODATA.sh lkdtm:EXEC_USERSPACE.sh lkdtm:EXEC_NULL.sh lkdtm:ACCESS_USERSPACE.sh lkdtm:ACCESS_NULL.sh lkdtm:WRITE_RO.sh lkdtm:WRITE_RO_AFTER_INIT.sh lkdtm:WRITE_KERN.sh lkdtm:REFCOUNT_INC_OVERFLOW.sh lkdtm:REFCOUNT_ADD_OVERFLOW.sh lkdtm:REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_DEC_ZERO.sh lkdtm:REFCOUNT_DEC_NEGATIVE.sh lkdtm:REFCOUNT_DEC_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_SUB_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_INC_ZERO.sh lkdtm:REFCOUNT_ADD_ZERO.sh lkdtm:REFCOUNT_INC_SATURATED.sh lkdtm:REFCOUNT_DEC_SATURATED.sh lkdtm:REFCOUNT_ADD_SATURATED.sh lkdtm:REFCOUNT_INC_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_DEC_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_SUB_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_TIMING.sh lkdtm:ATOMIC_TIMING.sh lkdtm:USERCOPY_HEAP_SIZE_TO.sh lkdtm:USERCOPY_HEAP_SIZE_FROM.sh lkdtm:USERCOPY_HEAP_WHITELIST_TO.sh lkdtm:USERCOPY_HEAP_WHITELIST_FROM.sh lkdtm:USERCOPY_STACK_FRAME_TO.sh lkdtm:USERCOPY_STACK_FRAME_FROM.sh lkdtm:USERCOPY_STACK_BEYOND.sh lkdtm:USERCOPY_KERNEL.sh lkdtm:STACKLEAK_ERASING.sh lkdtm:CFI_FORWARD_PROTO.sh ===========End Tests to run =============== [ 102.094925] 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 [ 102.974933] lkdtm: Performing direct entry BUG [ 102.979650] ------------[ cut here ]------------ [ 102.984286] kernel BUG at drivers/misc/lkdtm/bugs.c:76! [ 102.989538] Internal error: Oops - BUG: 0 [#1] SMP ARM [ 102.994700] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb etnaviv parallel_display gpu_sched imxdrm imx_ipu_v3 [ 103.023997] CPU: 3 PID: 803 Comm: cat Not tainted 5.10.155-cip21 #1 [ 103.030288] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 103.036861] PC is at lkdtm_BUG+0x14/0x18 [ 103.040820] LR is at lkdtm_do_action+0x2c/0x4c [ 103.045289] pc : [] lr : [] psr: a00e0013 [ 103.051578] sp : c6affe58 ip : c6affe68 fp : c6affe64 [ 103.056824] r10: 00000004 r9 : c1ad0900 r8 : c15e8634 [ 103.062072] r7 : c6afff60 r6 : 00000004 r5 : c5a4a000 r4 : 00000001 [ 103.068621] r3 : c0c2f594 r2 : 73830706 r1 : ef7c05e0 r0 : c15e863c [ 103.075174] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 103.082334] Control: 10c5387d Table: 16f1c04a DAC: 00000051 [ 103.088107] Process cat (pid: 803, stack limit = 0xdf0768cc) [ 103.093790] Stack: (0xc6affe58 to 0xc6b00000) [ 103.098175] fe40: c6affe74 c6affe68 [ 103.106386] fe60: c0c2f028 c0c2f5a0 c6affe9c c6affe78 c0c2f528 c0c2f008 c0c2f408 c5a30f00 [ 103.114597] fe80: b6e2c000 00000004 c513d000 c6afff60 c6affec4 c6affea0 c07f6038 c0c2f414 [ 103.122806] fea0: 00000000 c5a30f00 b6e2c000 c2816000 c6afff60 c07f5fd4 c6afff5c c6affec8 [ 103.131015] fec0: c0598ab8 c07f5fe0 00000001 00000000 c059904c c13a1a78 c059904c c6afe000 [ 103.139223] fee0: b6e2c000 00020000 00000004 00000004 0001fffc c6affee0 00000001 b6e2b000 [ 103.147431] ff00: c5aa5b80 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 103.155638] ff20: 00000000 00000000 c13a1a78 73830706 c205cf60 c5a30f00 c5a30f00 c6afe000 [ 103.163848] ff40: b6e2c000 00000000 00000000 00000004 c6afff94 c6afff60 c059904c c05989b8 [ 103.172057] ff60: 00000000 00000000 c6afffac 73830706 00000004 00000004 b6f73e00 00000004 [ 103.180264] ff80: c03002e4 c6afe000 c6afffa4 c6afff98 c05990dc c0598fe4 00000000 c6afffa8 [ 103.188473] ffa0: c03000c0 c05990d0 00000004 00000004 00000001 b6e2c000 00000004 00000000 [ 103.196680] ffc0: 00000004 00000004 b6f73e00 00000004 00000001 00000000 00020000 bedf5a54 [ 103.204890] ffe0: 00000004 bedf5788 b6ede4cf b6e647e6 800e0030 00000001 00000000 00000000 [ 103.213086] Backtrace: [ 103.215591] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) [ 103.223206] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 103.231255] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 103.239208] r9:c6afff60 r8:c513d000 r7:00000004 r6:b6e2c000 r5:c5a30f00 r4:c0c2f408 [ 103.246996] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 103.254859] r9:c07f5fd4 r8:c6afff60 r7:c2816000 r6:b6e2c000 r5:c5a30f00 r4:00000000 [ 103.262638] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 103.269807] r10:00000004 r9:00000000 r8:00000000 r7:b6e2c000 r6:c6afe000 r5:c5a30f00 [ 103.277658] r4:c5a30f00 [ 103.280228] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 103.287394] r9:c6afe000 r8:c03002e4 r7:00000004 r6:b6f73e00 r5:00000004 r4:00000004 [ 103.295176] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 103.302768] Exception stack(0xc6afffa8 to 0xc6affff0) [ 103.307851] ffa0: 00000004 00000004 00000001 b6e2c000 00000004 00000000 [ 103.316061] ffc0: 00000004 00000004 b6f73e00 00000004 00000001 00000000 00020000 bedf5a54 [ 103.324263] ffe0: 00000004 bedf5788 b6ede4cf b6e647e6 [ 103.329346] Code: e92dd800 e24cb004 e52de004 e8bd4000 (e7f001f2) [ 103.335474] ---[ end trace cf55c2bf51e529c3 ]--- [ 103.340121] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 103.349018] in_atomic(): 0, irqs_disabled(): 128, non_block: 0, pid: 803, name: cat [ 103.356693] INFO: lockdep is turned off. [ 103.360636] irq event stamp: 1544 [ 103.363996] hardirqs last enabled at (1543): [] console_unlock+0x4b0/0x6c0 [ 103.371858] hardirqs last disabled at (1544): [] __und_svc+0x60/0x6c [ 103.379117] softirqs last enabled at (1056): [] release_sock+0x8c/0xa8 [ 103.386629] softirqs last disabled at (1054): [] release_sock+0x28/0xa8 [ 103.394141] CPU: 3 PID: 803 Comm: cat Tainted: G D 5.10.155-cip21 #1 [ 103.401817] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 103.408362] Backtrace: [ 103.410873] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 103.418473] r7:ffffffff r6:600e0093 r5:00000000 r4:c1f0f7b4 [ 103.424174] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 103.431533] [] (dump_stack) from [] (___might_sleep+0x1b0/0x2c0) [ 103.439308] r9:600e0093 r8:0000000b r7:c035bb84 r6:00000031 r5:c19cd104 r4:c6afe000 [ 103.447087] [] (___might_sleep) from [] (__might_sleep+0x70/0xb0) [ 103.454942] r6:00000000 r5:00000031 r4:c19cd104 [ 103.459608] [] (__might_sleep) from [] (exit_signals+0x4c/0x3fc) [ 103.467377] r6:00000001 r5:c6afe000 r4:c5a6d100 [ 103.472041] [] (exit_signals) from [] (do_exit+0x10c/0xb4c) [ 103.479383] r8:0000000b r7:c1e0fc8c r6:ffffe000 r5:00000000 r4:c5a6d100 [ 103.486122] [] (do_exit) from [] (die+0x374/0x380) [ 103.492671] r7:c1e0fc8c [ 103.495236] [] (die) from [] (do_undefinstr+0x170/0x240) [ 103.502316] r10:00000004 r9:c6afe000 r8:c15e8634 r7:00000000 r6:c6affdc8 r5:c0c2f5a8 [ 103.510165] r4:e7f001f2 [ 103.512735] [] (do_undefinstr) from [] (__und_svc_finish+0x0/0x54) [ 103.520674] Exception stack(0xc6affdc8 to 0xc6affe10) [ 103.525757] fdc0: c15e863c ef7c05e0 73830706 c0c2f594 00000001 c5a4a000 [ 103.533967] fde0: 00000004 c6afff60 c15e8634 c1ad0900 00000004 c6affe64 c6affe68 c6affe58 [ 103.542170] fe00: c0c2f028 c0c2f5a8 a00e0013 ffffffff [ 103.547250] r7:c6affdfc r6:ffffffff r5:a00e0013 r4:c0c2f5ac [ 103.552954] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) [ 103.560562] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 103.568605] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 103.576553] r9:c6afff60 r8:c513d000 r7:00000004 r6:b6e2c000 r5:c5a30f00 r4:c0c2f408 [ 103.584334] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 103.592195] r9:c07f5fd4 r8:c6afff60 r7:c2816000 r6:b6e2c000 r5:c5a30f00 r4:00000000 [ 103.599971] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 103.607137] r10:00000004 r9:00000000 r8:00000000 r7:b6e2c000 r6:c6afe000 r5:c5a30f00 [ 103.614986] r4:c5a30f00 [ 103.617554] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 103.624720] r9:c6afe000 r8:c03002e4 r7:00000004 r6:b6f73e00 r5:00000004 r4:00000004 [ 103.632497] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 103.640087] Exception stack(0xc6afffa8 to 0xc6affff0) [ 103.645168] ffa0: 00000004 00000004 00000001 b6e2c000 00000004 00000000 [ 103.653377] ffc0: 00000004 00000004 b6f73e00 00000004 00000001 00000000 00020000 bedf5a54 [ 103.661579] ffe0: 00000004 bedf5788 b6ede4cf b6e647e6 # Segmentation fault # [ 102.974933] lkdtm: Performing direct entry BUG # [ 102.979650] ------------[ cut here ]------------ # [ 102.984286] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 102.989538] Internal error: Oops - BUG: 0 [#1] SMP ARM # [ 102.994700] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb etnaviv parallel_display gpu_sched imxdrm imx_ipu_v3 # [ 103.023997] CPU: 3 PID: 803 Comm: cat Not tainted 5.10.155-cip21 #1 # [ 103.030288] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 103.036861] PC is at lkdtm_BUG+0x14/0x18 # [ 103.040820] LR is at lkdtm_do_action+0x2c/0x4c # [ 103.045289] pc : [] lr : [] psr: a00e0013 # [ 103.051578] sp : c6affe58 ip : c6affe68 fp : c6affe64 # [ 103.056824] r10: 00000004 r9 : c1ad0900 r8 : c15e8634 # [ 103.062072] r7 : c6afff60 r6 : 00000004 r5 : c5a4a000 r4 : 00000001 # [ 103.068621] r3 : c0c2f594 r2 : 73830706 r1 : ef7c05e0 r0 : c15e863c # [ 103.075174] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 103.082334] Control: 10c5387d Table: 16f1c04a DAC: 00000051 # [ 103.088107] Process cat (pid: 803, stack limit = 0xdf0768cc) # [ 103.093790] Stack: (0xc6affe58 to 0xc6b00000) # [ 103.098175] fe40: c6affe74 c6affe68 # [ 103.106386] fe60: c0c2f028 c0c2f5a0 c6affe9c c6affe78 c0c2f528 c0c2f008 c0c2f408 c5a30f00 # [ 103.114597] fe80: b6e2c000 00000004 c513d000 c6afff60 c6affec4 c6affea0 c07f6038 c0c2f414 # [ 103.122806] fea0: 00000000 c5a30f00 b6e2c000 c2816000 c6afff60 c07f5fd4 c6afff5c c6affec8 # [ 103.131015] fec0: c0598ab8 c07f5fe0 00000001 00000000 c059904c c13a1a78 c059904c c6afe000 # [ 103.139223] fee0: b6e2c000 00020000 00000004 00000004 0001fffc c6affee0 00000001 b6e2b000 # [ 103.147431] ff00: c5aa5b80 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 103.155638] ff20: 00000000 00000000 c13a1a78 73830706 c205cf60 c5a30f00 c5a30f00 c6afe000 # [ 103.163848] ff40: b6e2c000 00000000 00000000 00000004 c6afff94 c6afff60 c059904c c05989b8 # [ 103.172057] ff60: 00000000 00000000 c6afffac 73830706 00000004 00000004 b6f73e00 00000004 # [ 103.180264] ff80: c03002e4 c6afe000 c6afffa4 c6afff98 c05990dc c0598fe4 00000000 c6afffa8 # [ 103.188473] ffa0: c03000c0 c05990d0 00000004 00000004 00000001 b6e2c000 00000004 00000000 # [ 103.196680] ffc0: 00000004 00000004 b6f73e00 00000004 00000001 00000000 00020000 bedf5a54 # [ 103.204890] ffe0: 00000004 bedf5788 b6ede4cf b6e647e6 800e0030 00000001 00000000 00000000 # [ 103.213086] Backtrace: # [ 103.215591] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) # [ 103.223206] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 103.231255] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 103.239208] r9:c6afff60 r8:c513d000 r7:00000004 r6:b6e2c000 r5:c5a30f00 r4:c0c2f408 # [ 103.246996] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 103.254859] r9:c07f5fd4 r8:c6afff60 r7:c2816000 r6:b6e2c000 r5:c5a30f00 r4:00000000 # [ 103.262638] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 103.269807] r10:00000004 r9:00000000 r8:00000000 r7:b6e2c000 r6:c6afe000 r5:c5a30f00 # [ 103.277658] r4:c5a30f00 # [ 103.280228] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 103.287394] r9:c6afe000 r8:c03002e4 r7:00000004 r6:b6f73e00 r5:00000004 r4:00000004 # [ 103.295176] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 103.302768] Exception stack(0xc6afffa8 to 0xc6affff0) # [ 103.307851] ffa0: 00000004 00000004 00000001 b6e2c000 00000004 00000000 # [ 103.316061] ffc0: 00000004 00000004 b6f73e00 00000004 00000001 00000000 00020000 bedf5a54 # [ 103.324263] ffe0: 00000004 bedf5788 b6ede4cf b6e647e6 # [ 103.329346] Code: e92dd800 e24cb004 e52de004 e8bd4000 (e7f001f2) # [ 103.335474] ---[ end trace cf55c2bf51e529c3 ]--- # [ 103.340121] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 103.349018] in_atomic(): 0, irqs_disabled(): 128, non_block: 0, pid: 803, name: cat # [ 103.356693] INFO: lockdep is turned off. # [ 103.360636] irq event stamp: 1544 # [ 103.363996] hardirqs last enabled at (1543): [] console_unlock+0x4b0/0x6c0 # [ 103.371858] hardirqs last disabled at (1544): [] __und_svc+0x60/0x6c # [ 103.379117] softirqs last enabled at (1056): [] release_sock+0x8[ 104.133340] lkdtm: Performing direct entry WARNING c/0xa8 # [ 103.386629] softirqs[ 104.139819] ------------[ cut here ]------------ last disabled at (1054): [] release_sock+0x28/0xa8 # [[ 104.158717] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb etnaviv parallel_display gpu_sched imxdrm imx_ipu_v3 103.394141] CPU: 3 PID: 803 Com[ 104.190357] CPU: 3 PID: 874 Comm: cat Tainted: G D W 5.10.155-cip21 #1 m: cat Tainted: G D [ 104.200826] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 5.10.155-cip21 #1 # [ 103.401[ 104.210216] Backtrace: 817] Hardware name: Freescale i.M[ 104.215547] [] (dump_backtrace) from [] (show_stack+0x20/0x24) X6 Quad/DualLite (Device Tree) #[ 104.225964] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7b4 [ 103.408362] Backtrace: # [ [ 104.234491] [] (show_stack) from [] (dump_stack+0xe0/0x100) 103.410873] [] (dump_b[ 104.244662] [] (dump_stack) from [] (__warn+0xfc/0x16c) acktrace) from [] (show[ 104.254481] r9:00000009 r8:c0c2f5f4 r7:00000053 r6:00000009 r5:c0c2f5f4 r4:c1ad0fbc _stack+0x20/0x24) # [ 103.41847[ 104.265089] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) 3] r7:ffffffff r6:600e0093 r5:00[ 104.275428] r7:00000053 r6:c1ad0fbc r5:00000000 r4:c696e000 000000 r4:c1f0f7b4 # [ 103.4241[ 104.283955] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING+0x48/0x4c) 74] [] (show_stack) fro[ 104.294901] r9:c1ad0904 r8:c15e8634 r7:c696ff60 r6:00000008 r5:c6c40000 r4:00000002 m [] (dump_stack+0xe0/0[ 104.305511] [] (lkdtm_WARNING) from [] (lkdtm_do_action+0x2c/0x4c) x100) # [ 103.431533] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) 4>] (dump_stack) from [[ 104.327157] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) ] (___might_sleep+0x1b0/0x2c0) #[ 104.337928] r9:c696ff60 r8:c513d000 r7:00000008 r6:b6dd0000 r5:c5a303c0 r4:c0c2f408 [ 103.439308] r9:600e0093 r8:0[ 104.348539] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) 000000b r7:c035bb84 r6:00000031 r[ 104.359225] r9:c07f5fd4 r8:c696ff60 r7:c2816000 r6:b6dd0000 r5:c5a303c0 r4:00000000 5:c19cd104 r4:c6afe000 # [ 103.[ 104.369832] [] (vfs_write) from [] (ksys_write+0x74/0xec) 447087] [] (___might_sl[ 104.379829] r10:00000004 r9:00000000 r8:00000000 r7:b6dd0000 r6:c696e000 r5:c5a303c0 eep) from [] (__might_s[ 104.390515] r4:c5a303c0 leep+0x70/0xb0) # [ 103.454942][ 104.395918] [] (ksys_write) from [] (sys_write+0x18/0x1c) r6:00000000 r5:00000031 r4:c19c[ 104.405914] r9:c696e000 r8:c03002e4 r7:00000004 r6:b6f17e00 r5:00000008 r4:00000008 d104 # [ 103.459608] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) >] (__might_sleep) from [] (exit_signals+0x4c/0x3fc) # [ 104.434866] ffa0: 00000008 00000008 00000001 b6dd0000 00000008 00000000 [ 103.467377] r6:00000001 r5:c6[ 104.445906] ffc0: 00000008 00000008 b6f17e00 00000004 00000001 00000000 00020000 beecea54 afe000 r4:c5a6d100 # [ 103.4720[ 104.456943] ffe0: 00000004 beece788 b6e824cf b6e087e6 41] [] (exit_signals) f[ 104.464924] irq event stamp: 0 rom [] (do_exit+0x10c/0[ 104.470779] hardirqs last enabled at (0): [<00000000>] 0x0 xb4c) # [ 103.479383] r8:00000[ 104.479262] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c 00b r7:c1e0fc8c r6:ffffe000 r5:00[ 104.489594] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c 000000 r4:c5a6d100 # [ 103.4861[ 104.499983] softirqs last disabled at (0): [<00000000>] 0x0 22] [] (do_exit) from [[ 104.508378] ---[ end trace cf55c2bf51e529c4 ]--- ] (die+0x374/0x380) # [ 103.492671] r7:c1e0fc8c # [ 103.495236] [] (die) from [] (do_undefinstr+0x170/0x240) # [ 103.502316] r10:00000004 r9:c6afe000 r8:c15e8634 r7:00000000 r6:c6affdc8 r5:c0c2f5a8 # [ 103.510165] r4:e7f001f2 # [ 103.512735] [] (do_undefinstr) from [] (__und_svc_finish+0x0/0x54) # [ 103.520674] Exception stack(0xc6affdc8 to 0xc6affe10) # [ 103.525757] fdc0: c15e863c ef7c05e0 73830706 c0c2f594 00000001 c5a4a000 # [ 103.533967] fde0: 00000004 c6afff60 c15e8634 c1ad0900 00000004 c6affe64 c6affe68 c6affe58 # [ 103.542170] fe00: c0c2f028 c0c2f5a8 a00e0013 ffffffff # [ 103.547250] r7:c6affdfc r6:ffffffff r5:a00e0013 r4:c0c2f5ac # [ 103.552954] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) # [ 103.560562] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 103.568605] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 103.576553] r9:c6afff60 r8:c513d000 r7:00000004 r6:b6e2c000 r5:c5a30f00 r4:c0c2f408 # [ 103.584334] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 103.592195] r9:c07f5fd4 r8:c6afff60 r7:c2816000 r6:b6e2c000 r5:c5a30f00 r4:00000000 # [ 103.599971] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 103.607137] r10:00000004 r9:00000000 r8:00000000 r7:b6e2c000 r6:c6afe000 r5:c5a30f00 # [ 103.614986] r4:c5a30f00 # [ 103.617554] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 103.624720] r9:c6afe000 r8:c03002e4 r7:00000004 r6:b6f73e00 r5:00000004 r4:00000004 # [ 103.632497] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 103.640087] Exception stack(0xc6afffa8 to 0xc6affff0) # [ 103.645168] ffa0: 00000004 00000004 00000001 b6e2c000 00000004 00000000 # [ 103.653377] ffc0: 00000004 00000004 b6f73e00 00000004 00000001 00000000 00020000 bedf5a54 # [ 103.661579] ffe0: 00000004 bedf5788 b6ede4cf b6e647e6 # BUG: saw 'kernel BUG at': ok ok 2 selftests: lkdtm: BUG.sh # selftests: lkdtm: WARNING.sh # [ 104.133340] lkdtm: Performing direct entry WARNING # [ 104.139819] ------------[ cut here ]------------ # [ 104.147406] WARNING: CPU: 3 PID: 874 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x48/0x4c # [ 104.158717] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb etnaviv parallel_display gpu_sched imxdrm imx_ipu_v3 # [ 104.190357] CPU: 3 PID: 874 Comm: cat Tainted: G D W 5.10.155-cip21 #1 # [ 104.200826] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 104.210216] Backtrace: # [ 104.215547] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 104.225964] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7b4 # [ 104.234491] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 104.244662] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 104.254481] r9:00000009 r8:c0c2f5f4 r7:00000053 r6:00000009 r5:c0c2f5f4 r4:c1ad0fbc # [ 104.265089] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 104.275428] r7:00000053 r6:c1ad0fbc r5:00000000 r4:c696e000 # [ 104.283955] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING+0x48/0x4c) # [ 104.294901] r9:c1ad0904 r8:c15e8634 r7:c696ff60 r6:00000008 r5:c6c40000 r4:00000002 # [ 104.305511] [] (lkdtm_WARNING) from [] (lkdtm_do_action+0x2c/0x4c) # [ 104.316287] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 104.327157] [] (direct_entry) from [] (full_proxy_write+0x64/0x[ 104.860552] ------------[ cut here ]------------ 94) # [ 104.337928] r9:c696ff6[ 104.868145] WARNING: CPU: 2 PID: 909 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x4c/0x54 0 r8:c513d000 r7:00000008 r6:b6dd[ 104.880166] Warning message trigger count: 2 0000 r5:c5a303c0 r4:c0c2f408 # [[ 104.887306] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb etnaviv parallel_display gpu_sched imxdrm imx_ipu_v3 104.348539] [] (full_[ 104.918924] CPU: 2 PID: 909 Comm: cat Tainted: G D W 5.10.155-cip21 #1 proxy_write) from [] (v[ 104.929399] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) fs_write+0x10c/0x524) # [ 104.3[ 104.938790] Backtrace: 59225] r9:c07f5fd4 r8:c696ff60 r[ 104.944121] [] (dump_backtrace) from [] (show_stack+0x20/0x24) 7:c2816000 r6:b6dd0000 r5:c5a303c[ 104.954538] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7b4 0 r4:00000000 # [ 104.369832] [[ 104.963066] [] (show_stack) from [] (dump_stack+0xe0/0x100) ] (vfs_write) from [] (dump_stack) from [] (__warn+0xfc/0x16c) 59904c>] (ksys_write+0x74/0xec) [ 104.983056] r9:00000009 r8:c0c2f644 r7:00000058 r6:00000009 r5:c0c2f644 r4:c1ad0fbc # [ 104.379829] r10:00000004 r9[ 104.993661] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) :00000000 r8:00000000 r7:b6dd0000[ 105.004005] r7:00000058 r6:c1ad0fbc r5:c1ad0fd8 r4:c6a28000 r6:c696e000 r5:c5a303c0 # [ 10[ 105.012533] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING_MESSAGE+0x4c/0x54) 4.390515] r4:c5a303c0 # [ 104.[ 105.024174] r9:c1ad090c r8:c15e8634 r7:c6a29f60 r6:00000010 r5:c6c8a000 r4:00000003 395918] [] (ksys_write)[ 105.034784] [] (lkdtm_WARNING_MESSAGE) from [] (lkdtm_do_action+0x2c/0x4c) from [] (sys_write+0x1[ 105.046255] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) 8/0x1c) # [ 104.405914] r9:c69[ 105.057125] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) 6e000 r8:c03002e4 r7:00000004 r6:[ 105.067897] r9:c6a29f60 r8:c513d000 r7:00000010 r6:b6dca000 r5:c6ab5400 r4:c0c2f408 b6f17e00 r5:00000008 r4:00000008 [ 105.078509] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 104.416522] [] (s[ 105.089195] r9:c07f5fd4 r8:c6a29f60 r7:c2816000 r6:b6dca000 r5:c6ab5400 r4:00000000 ys_write) from [] (ret_[ 105.099802] [] (vfs_write) from [] (ksys_write+0x74/0xec) fast_syscall+0x0/0x28) # [ 104.[ 105.109799] r10:00000004 r9:00000000 r8:00000000 r7:b6dca000 r6:c6a28000 r5:c6ab5400 426948] Exception stack(0xc696ffa[ 105.120485] r4:c6ab5400 8 to 0xc696fff0) # [ 104.434866[ 105.125888] [] (ksys_write) from [] (sys_write+0x18/0x1c) ] ffa0: 0000000[ 105.135885] r9:c6a28000 r8:c03002e4 r7:00000004 r6:b6f11e00 r5:00000010 r4:00000010 8 00000008 00000001 b6dd0000 0000[ 105.146497] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) 0008 00000000 # [ 104.445906] f[ 105.156922] Exception stack(0xc6a29fa8 to 0xc6a29ff0) fc0: 00000008 00000008 b6f17e00 0[ 105.164842] 9fa0: 00000010 00000010 00000001 b6dca000 00000010 00000000 0000004 00000001 00000000 0002000[ 105.175881] 9fc0: 00000010 00000010 b6f11e00 00000004 00000001 00000000 00020000 bef51a54 0 beecea54 # [ 104.456943] ffe0[ 105.186917] 9fe0: 00000004 bef51788 b6e7c4cf b6e027e6 : 00000004 beece788 b6e824cf b6e0[ 105.194907] irq event stamp: 0 87e6 # [ 104.464924] irq event [ 105.200756] hardirqs last enabled at (0): [<00000000>] 0x0 stamp: 0 # [ 104.470779] hardir[ 105.209288] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c qs last enabled at (0): [<000000[ 105.219580] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c 00>] 0x0 # [ 104.479262] hardir[ 105.229912] softirqs last disabled at (0): [<00000000>] 0x0 qs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 104.489594] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 104.499983] softirqs last disabled at (0): [<00000000>] 0x0 # [ 104.508378] ---[ end trace cf55c2bf51e529c4 ]--- # WARNING: saw 'WARNING:': ok ok 3 selftests: lkdtm: WARNING.sh # selftests: lkdtm: WARNING_MESSAGE.sh # [ 104.853610] lkdtm: Performing direct entry WARNING_MESSAGE # [ 104.860552] ------------[ cut here ]------------ # [ 104.868145] WARNING: CPU: 2 PID: 909 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x4c/0x54 # [ 104.880166] Warning message trigger count: 2 # [ 104.887306] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb etnaviv parallel_display gpu_sched imxdrm imx_ipu_v3 # [ 104.918924] CPU: 2 PID: 909 Comm: cat Tainted: G D W 5.10.155-cip21 #1 # [ 104.929399] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 104.938790] Backtrace: # [ 104.944121] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 104.954538] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7b4 # [ 104.963066] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 104.973237] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 104.983056] r9:00000009 r8:c0c2f644 r7:00000058 r6:00000009 r5:c0c2f644 r4:c1ad0fbc # [ 104.993661] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 105.004005] r7:00000058 r6:c1ad0fbc r5:c1ad0fd8 r4:c6a28000 # [ 105.012533] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING_MESSAGE+0x4c/0x54) # [ 105.024174] r9:c1ad090c r8:c15e8634 r7:c6a29f60 r6:00000010 r5:c6c8a000 r4:00000003 # [ 105.034784] [] (lkdtm_WARNING_MESSAGE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 105.046255] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 105.057125] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 105.067897] r9:c6a29f60 r8:c513d000 r7:00000010 r6:b6dca000 r5:c6ab5400 r4:c0c2f408 # [ 105.078509] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 105.089195] r9:c07f5fd4 r8:c6a29f60 r7:c2816000 r6:b6dca000 r5:c6ab5400 r4:00000000 # [ 105.099802] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 105.109799] r10:00000004 r9:00000000 r8:00000000 r7:b6dca000 r6:c6a28000 r5:c6ab5400 # [ 105.120485] r4:c6ab5400 # [ 105.125888] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 105.135885] r9:c6a28000 r8:c03002e4 r7:00000004 r6:b6f11e00 r5:00000010 r4:00000010 # [ 105.146497] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 105.156922] Exception stack(0xc6a29fa8 to 0xc6a29ff0) # [ 105.164842] 9fa0: 00000010 00000010 00000001 b6dca000 00000010 00000000 # [ 105.175881] 9fc0: 00000010 00000010 b6f11e00 00000004 00000001 00000000 00020000 bef51a54 # [ 105.186917] 9fe0: 00000004 bef51788 b6e7c4cf b6e027e6 # [ 105.194907] irq event stamp: 0 # [ 105.200756] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 105.209288] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 105.219580] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 105.229912] softirqs last disabled at (0): [<00000000>] 0x0 # [ 105.238374] ---[ end trace cf55c2bf51e529c5 ]--- # WARNING_MESSAGE: saw 'message trigger': ok ok 4 selftests: lkdtm: WARNING_MESSAGE.sh # [ 105.584223] lkdtm: Performing direct entry EXCEPTION selftests: lkdtm: EXCEPTION.sh [ 105.591602] 8<--- cut here --- [ 105.597515] Unable to handle kernel NULL pointer dereference at virtual address 00000000 [ 105.605804] pgd = 32b4a942 [ 105.608554] [00000000] *pgd=00000000 [ 105.612211] Internal error: Oops: 805 [#2] SMP ARM [ 105.617015] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb etnaviv parallel_display gpu_sched imxdrm imx_ipu_v3 [ 105.646037] CPU: 3 PID: 941 Comm: cat Tainted: G D W 5.10.155-cip21 #1 [ 105.653698] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 105.660245] PC is at lkdtm_EXCEPTION+0x18/0x20 [ 105.664698] LR is at lkdtm_do_action+0x2c/0x4c [ 105.669148] pc : [] lr : [] psr: a00e0013 [ 105.675420] sp : c6e6de58 ip : c6e6de68 fp : c6e6de64 [ 105.680648] r10: 0000000a r9 : c1ad091c r8 : c15e8634 [ 105.685878] r7 : c6e6df60 r6 : 0000000a r5 : c6c40000 r4 : 00000004 [ 105.692413] r3 : 00000000 r2 : b2b6acc9 r1 : ef7c05e0 r0 : c15e8654 [ 105.698945] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 105.706087] Control: 10c5387d Table: 16fbc04a DAC: 00000051 [ 105.711839] Process cat (pid: 941, stack limit = 0xe52790df) [ 105.717505] Stack: (0xc6e6de58 to 0xc6e6e000) [ 105.721868] de40: c6e6de74 c6e6de68 [ 105.730054] de60: c0c2f028 c0c2f658 c6e6de9c c6e6de78 c0c2f528 c0c2f008 c0c2f408 c694fb80 [ 105.738239] de80: b6e51000 0000000a c513d000 c6e6df60 c6e6dec4 c6e6dea0 c07f6038 c0c2f414 [ 105.746426] dea0: 00000000 c694fb80 b6e51000 c2816000 c6e6df60 c07f5fd4 c6e6df5c c6e6dec8 [ 105.754611] dec0: c0598ab8 c07f5fe0 00000001 00000000 c059904c c13a1a78 c059904c c6e6c000 [ 105.762798] dee0: b6e51000 00020000 00000004 0000000a 0001fff6 c6e6dee0 00000001 b6e50000 [ 105.770982] df00: c471f7c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 105.779168] df20: 00000000 00000000 c13a1a78 b2b6acc9 c205cf60 c694fb80 c694fb80 c6e6c000 [ 105.787354] df40: b6e51000 00000000 00000000 00000004 c6e6df94 c6e6df60 c059904c c05989b8 [ 105.795540] df60: 00000000 00000000 c6e6dfac b2b6acc9 0000000a 0000000a b6f98e00 00000004 [ 105.803725] df80: c03002e4 c6e6c000 c6e6dfa4 c6e6df98 c05990dc c0598fe4 00000000 c6e6dfa8 [ 105.811910] dfa0: c03000c0 c05990d0 0000000a 0000000a 00000001 b6e51000 0000000a 00000000 [ 105.820096] dfc0: 0000000a 0000000a b6f98e00 00000004 00000001 00000000 00020000 bec74a54 [ 105.828282] dfe0: 00000004 bec74788 b6f034cf b6e897e6 800e0030 00000001 00000000 00000000 [ 105.836461] Backtrace: [ 105.838929] [] (lkdtm_EXCEPTION) from [] (lkdtm_do_action+0x2c/0x4c) [ 105.847034] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 105.855054] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 105.862981] r9:c6e6df60 r8:c513d000 r7:0000000a r6:b6e51000 r5:c694fb80 r4:c0c2f408 [ 105.870740] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 105.878579] r9:c07f5fd4 r8:c6e6df60 r7:c2816000 r6:b6e51000 r5:c694fb80 r4:00000000 [ 105.886333] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 105.893476] r10:00000004 r9:00000000 r8:00000000 r7:b6e51000 r6:c6e6c000 r5:c694fb80 [ 105.901308] r4:c694fb80 [ 105.903852] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 105.910995] r9:c6e6c000 r8:c03002e4 r7:00000004 r6:b6f98e00 r5:0000000a r4:0000000a [ 105.918751] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 105.926326] Exception stack(0xc6e6dfa8 to 0xc6e6dff0) [ 105.931387] dfa0: 0000000a 0000000a 00000001 b6e51000 0000000a 00000000 [ 105.939572] dfc0: 0000000a 0000000a b6f98e00 00000004 00000001 00000000 00020000 bec74a54 [ 105.947754] dfe0: 00000004 bec74788 b6f034cf b6e897e6 [ 105.952817] Code: e24cb004 e52de004 e8bd4000 e3a03000 (e5833000) [ 105.959008] ---[ end trace cf55c2bf51e529c6 ]--- # Segmentation fault # [ 105.584223] lkdtm: Performing direct entry EXCEPTION # [ 105.591602] 8<--- cut here --- # [ 105.597515] Unable to handle kernel NULL pointer dereference at virtual address 00000000 # [ 105.605804] pgd = 32b4a942 # [ 105.608554] [00000000] *pgd=00000000 # [ 105.612211] Internal error: Oops: 805 [#2] SMP ARM # [ 105.617015] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb etnaviv parallel_display gpu_sched imxdrm imx_ipu_v3 # [ 105.646037] CPU: 3 PID: 941 Comm: cat Tainted: G D W 5.10.155-cip21 #1 # [ 105.653698] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 105.660245] PC is at lkdtm_EXCEPTION+0x18/0x20 # [ 105.664698] LR is at lkdtm_do_action+0x2c/0x4c # [ 105.669148] pc : [] lr : [] psr: a00e0013 # [ 105.675420] sp : c6e6de58 ip : c6e6de68 fp : c6e6de64 # [ 105.680648] r10: 0000000a r9 : c1ad091c r8 : c15e8634 # [ 105.685878] r7 : c6e6df60 r6 : 0000000a r5 : c6c40000 r4 : 00000004 # [ 105.692413] r3 : 00000000 r2 : b2b6acc9 r1 : ef7c05e0 r0 : c15e8654 # [ 105.698945] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 105.706087] Control: 10c5387d Table: 16fbc04a DAC: 00000051 # [ 105.711839] Process cat (pid: 941, stack limit = 0xe52790df) # [ 105.717505] Stack: (0xc6e6de58 to 0xc6e6e000) # [ 105.721868] de40: c6e6de74 c6e6de68 # [ 105.730054] de60: c0c2f028 c0c2f658 c6e6de9c c6e6de78 c0c2f528 c0c2f008 c0c2f408 c694fb80 # [ 105.738239] de80: b6e51000 0000000a c513d000 c6e6df60 c6e6dec4 c6e6dea0 c07f6038 c0c2f414 # [ 105.746426] dea0: 00000000 c694fb80 b6e51000 c2816000 c6e6df60 c07f5fd4 c6e6df5c c6e6dec8 # [ 105.754611] dec0: c0598ab8 c07f5fe0 00000001 00000000 c059904c c13a1a78 c059904c c6e6c000 # [ 105.762798] dee0: b6e51000 00020000 00000004 0000000a 0001fff6 c6e6dee0 00000001 b6e50000 # [ 105.770982] df00: c471f7c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 105.779168] df20: 00000000 00000000 c13a1a78 b2b6acc9 c205cf60 c694fb80 c694fb80 c6e6c000 # [ 105.787354] df40: b6e51000 00000000 00000000 00000004 c6e6df94 c6e6df60 c059904c c05989b8 # [ 105.795540] df60: 00000000 00000000 c6e6dfac b2b6acc9 0000000a 0000000a b6f98e00 00000004 # [ 105.803725] df80: c03002e4 c6e6c000 c6e6dfa4 c6e6df98 c05990dc c0598fe4 00000000 c6e6dfa8 # [ 105.811910] dfa0: c03000c0 c05990d0 0000000a 0000000a 00000001 b6e51000 0000000a 00000000 # [ 105.820096] dfc0: 0000000a 0000000a b6f98e00 00000004 00000001 00000000 00020000 bec74a54 # [ 105.828282] dfe0: 00000004 bec74788 b6f034cf b6e897e6 800e0030 00000001 00000000 00000000 # [ 105.836461] Backtrace: # [ 105.838929] [] (lkdtm_EXCEPTION) from [] (lkdtm_do_action+0x2c/0x4c) # [ 105.847034] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 105.855054] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 105.862981] r9:c6e6df60 r8:c513d000 r7:0000000a r6:b6e51000 r5:c694fb80 r4:c0c2f408 # [ 105.870740] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 105.878579] r9:c07f5fd4 r8:c6e6df60 r7:c2816000 r6:b6e51000 r5:c694fb80 r4:00000000 # [ 105.886333] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 105.893476] r10:00000004 r9:00000000 r8:00000000 r7:b6e51000 r6:c6e6c000 r5:c694fb80 # [ 105.901308] r4:c694fb80 # [ 105.903852] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 105.910995] r9:c6e6c000 r8:c03002e4 r7:00000004 r6:b6f98e00 r5:0000000a r4:0000000a # [ 105.918751] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 105.926326] Exception stack(0xc6e6dfa8 to 0xc6e6dff0) # [ 105.931387] dfa0: 0000000a 0000000a 00000001 b6e51000 0000000a 00000000 # [ 105.939572] dfc0: 0000000a 0000000a b6f98e00 00000004 00000001 00000000 00020000 bec74a54 # [ 105.947754] dfe0: 00000004 bec74788 b6f034cf b6e897e6 # [ 105.952817] Code: e24cb004 e52de004 e8bd4000 e3a03000 (e5833000) # [ 105.959008] ---[ end trace cf55c2bf51e529c6 ]--- # 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 [ 107.130438] lkdtm: Performing direct entry CORRUPT_LIST_ADD [ 107.136276] lkdtm: attempting good list addition [ 107.140937] lkdtm: attempting corrupted list addition [ 107.146040] lkdtm: list_add() corruption not detected! # [ 107.130438] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 107.136276] lkdtm: attempting good list addition # [ 107.140937] lkdtm: attempting corrupted list addition # [ 107.146040] 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 [ 107.494930] lkdtm: Performing direct entry CORRUPT_LIST_DEL [ 107.500523] lkdtm: attempting good list removal [ 107.505251] lkdtm: attempting corrupted list removal [ 107.510252] lkdtm: list_del() corruption not detected! # [ 107.494930] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 107.500523] lkdtm: attempting good list removal # [ 107.505251] lkdtm: attempting corrupted list removal # [ 107.510252] 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 [ 107.834718] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING [ 107.841009] lkdtm: attempting bad read from page below current stack [ 107.847482] lkdtm: FAIL: accessed page before stack! (byte: 0) # [ 107.834718] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 107.841009] lkdtm: attempting bad read from page below current stack # [ 107.847482] lkdtm: FAIL: accessed page before stack! (byte: 0) # 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 [ 108.171614] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING [ 108.178058] lkdtm: attempting bad read from page above current stack [ 108.184464] lkdtm: FAIL: accessed page after stack! (byte: 0) # [ 108.171614] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING # [ 108.178058] lkdtm: attempting bad read from page above current stack # [ 108.184464] 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 [ 108.530555] lkdtm: Performing direct entry UNSET_SMEP [ 108.535708] lkdtm: XFAIL: this test is x86_64-only # [ 108.530555] lkdtm: Performing direct entry UNSET_SMEP # [ 108.535708] 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 [ 108.862013] lkdtm: Performing direct entry DOUBLE_FAULT [ 108.867259] lkdtm: XFAIL: this test is ia32-only # [ 108.862013] lkdtm: Performing direct entry DOUBLE_FAULT # [ 108.867259] 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 [ 109.204447] lkdtm: Performing direct entry CORRUPT_PAC [ 109.209606] lkdtm: XFAIL: this test is arm64-only # [ 109.204447] lkdtm: Performing direct entry CORRUPT_PAC # [ 109.209606] 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 [ 109.541180] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE [ 109.547769] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS # [ 109.541180] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # [ 109.547769] 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 [ 110.257507] lkdtm: Performing direct entry READ_AFTER_FREE [ 110.263252] lkdtm: Value in memory before free: 12345678 [ 110.268610] lkdtm: Attempting bad read from freed memory [ 110.273979] lkdtm: Memory was not poisoned # [ 110.257507] lkdtm: Performing direct entry READ_AFTER_FREE # [ 110.263252] lkdtm: Value in memory before free: 12345678 # [ 110.268610] lkdtm: Attempting bad read from freed memory # [ 110.273979] 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 [ 110.793594] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE [ 110.799627] lkdtm: Value in memory before free: 12345678 [ 110.805169] lkdtm: Attempting to read from freed memory [ 110.810438] lkdtm: Buddy page was not poisoned # [ 110.793594] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE # [ 110.799627] lkdtm: Value in memory before free: 12345678 # [ 110.805169] lkdtm: Attempting to read from freed memory # [ 110.810438] 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 [ 111.146374] lkdtm: Performing direct entry SLAB_FREE_DOUBLE [ 111.152035] lkdtm: Attempting double slab free ... # [ 111.146374] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 111.152035] 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 [ 111.493290] lkdtm: Performing direct entry SLAB_FREE_CROSS [ 111.498816] lkdtm: Attempting cross-cache slab free ... # [ 111.493290] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 111.498816] 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 [ 111.838211] lkdtm: Performing direct entry SLAB_FREE_PAGE [ 111.843821] lkdtm: Attempting non-Slab slab free ... # [ 111.838211] lkdtm: Performing direct entry SLAB_FREE_PAGE # [ 111.843821] 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 [ 112.953174] lkdtm: Performing direct entry EXEC_DATA [ 112.958167] lkdtm: attempting ok execution at c0c2fd98 [ 112.963374] lkdtm: attempting bad execution at c26f794c [ 112.968620] 8<--- cut here --- [ 112.971685] Unable to handle kernel paging request at virtual address c26f794c [ 112.978926] pgd = b2562c8f [ 112.981659] [c26f794c] *pgd=1261141e(bad) [ 112.985735] Internal error: Oops: 8000000d [#3] SMP ARM [ 112.990989] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb etnaviv parallel_display gpu_sched imxdrm imx_ipu_v3 [ 113.020268] CPU: 2 PID: 1784 Comm: cat Tainted: G D W 5.10.155-cip21 #1 [ 113.028034] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 113.034607] PC is at data_area+0x0/0x40 [ 113.038481] LR is at execute_location+0xa4/0xb4 [ 113.043038] pc : [] lr : [] psr: 600e0013 [ 113.049327] sp : c5a41e38 ip : 00000027 fp : c5a41e54 [ 113.054575] r10: 0000000a r9 : c1ad0b00 r8 : c15e8634 [ 113.059823] r7 : c5a41f60 r6 : 00000001 r5 : c26f794c r4 : c0c2fd98 [ 113.066373] r3 : 99f379bd r2 : 99f379bd r1 : ef7ab5e4 r0 : 0000002b [ 113.072927] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 113.080087] Control: 10c5387d Table: 1694004a DAC: 00000051 [ 113.085860] Process cat (pid: 1784, stack limit = 0x5e4853d2) [ 113.091631] Stack: (0xc5a41e38 to 0xc5a42000) [ 113.096019] 1e20: 0000001f c5d87000 [ 113.104229] 1e40: 0000000a c5a41f60 c5a41e64 c5a41e58 c138c460 c138c25c c5a41e74 c5a41e68 [ 113.112438] 1e60: c0c2f028 c138c448 c5a41e9c c5a41e78 c0c2f528 c0c2f008 c0c2f408 c5aa5900 [ 113.120648] 1e80: b6e60000 0000000a c513d000 c5a41f60 c5a41ec4 c5a41ea0 c07f6038 c0c2f414 [ 113.128856] 1ea0: 00000000 c5aa5900 b6e60000 c2816000 c5a41f60 c07f5fd4 c5a41f5c c5a41ec8 [ 113.137066] 1ec0: c0598ab8 c07f5fe0 00000001 00000000 c059904c c13a1a78 c059904c c5a40000 [ 113.145274] 1ee0: b6e60000 00020000 00000004 0000000a 0001fff6 c5a41ee0 00000001 b6e5f000 [ 113.153481] 1f00: c59ec8c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 113.161690] 1f20: 00000000 00000000 c13a1a78 99f379bd c205cf60 c5aa5900 c5aa5900 c5a40000 [ 113.169901] 1f40: b6e60000 00000000 00000000 00000004 c5a41f94 c5a41f60 c059904c c05989b8 [ 113.178109] 1f60: 00000000 00000000 c5a41fac 99f379bd 0000000a 0000000a b6fa7e00 00000004 [ 113.186317] 1f80: c03002e4 c5a40000 c5a41fa4 c5a41f98 c05990dc c0598fe4 00000000 c5a41fa8 [ 113.194524] 1fa0: c03000c0 c05990d0 0000000a 0000000a 00000001 b6e60000 0000000a 00000000 [ 113.202732] 1fc0: 0000000a 0000000a b6fa7e00 00000004 00000001 00000000 00020000 be894a54 [ 113.210939] 1fe0: 00000004 be894788 b6f124cf b6e987e6 800e0030 00000001 00000000 00000000 [ 113.219133] Backtrace: [ 113.221635] [] (execute_location) from [] (lkdtm_EXEC_DATA+0x24/0x28) [ 113.229844] r7:c5a41f60 r6:0000000a r5:c5d87000 r4:0000001f [ 113.235553] [] (lkdtm_EXEC_DATA) from [] (lkdtm_do_action+0x2c/0x4c) [ 113.243686] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 113.251737] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 113.259694] r9:c5a41f60 r8:c513d000 r7:0000000a r6:b6e60000 r5:c5aa5900 r4:c0c2f408 [ 113.267487] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 113.275355] r9:c07f5fd4 r8:c5a41f60 r7:c2816000 r6:b6e60000 r5:c5aa5900 r4:00000000 [ 113.283136] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 113.290307] r10:00000004 r9:00000000 r8:00000000 r7:b6e60000 r6:c5a40000 r5:c5aa5900 [ 113.298159] r4:c5aa5900 [ 113.300730] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 113.307897] r9:c5a40000 r8:c03002e4 r7:00000004 r6:b6fa7e00 r5:0000000a r4:0000000a [ 113.315681] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 113.323276] Exception stack(0xc5a41fa8 to 0xc5a41ff0) [ 113.328359] 1fa0: 0000000a 0000000a 00000001 b6e60000 0000000a 00000000 [ 113.336567] 1fc0: 0000000a 0000000a b6fa7e00 00000004 00000001 00000000 00020000 be894a54 [ 113.344771] 1fe0: 00000004 be894788 b6f124cf b6e987e6 [ 113.349857] Code: 00000000 c2b1b780 c2b1b840 c2b1b900 (e1a0c00d) [ 113.355987] ---[ end trace cf55c2bf51e529c7 ]--- # Segmentation fault # [ 112.953174] lkdtm: Performing direct entry EXEC_DATA # [ 112.958167] lkdtm: attempting ok execution at c0c2fd98 # [ 112.963374] lkdtm: attempting bad execution at c26f794c # [ 112.968620] 8<--- cut here --- # [ 112.971685] Unable to handle kernel paging request at virtual address c26f794c # [ 112.978926] pgd = b2562c8f # [ 112.981659] [c26f794c] *pgd=1261141e(bad) # [ 112.985735] Internal error: Oops: 8000000d [#3] SMP ARM # [ 112.990989] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb etnaviv parallel_display gpu_sched imxdrm imx_ipu_v3 # [ 113.020268] CPU: 2 PID: 1784 Comm: cat Tainted: G D W 5.10.155-cip21 #1 # [ 113.028034] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 113.034607] PC is at data_area+0x0/0x40 # [ 113.038481] LR is at execute_location+0xa4/0xb4 # [ 113.043038] pc : [] lr : [] psr: 600e0013 # [ 113.049327] sp : c5a41e38 ip : 00000027 fp : c5a41e54 # [ 113.054575] r10: 0000000a r9 : c1ad0b00 r8 : c15e8634 # [ 113.059823] r7 : c5a41f60 r6 : 00000001 r5 : c26f794c r4 : c0c2fd98 # [ 113.066373] r3 : 99f379bd r2 : 99f379bd r1 : ef7ab5e4 r0 : 0000002b # [ 113.072927] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 113.080087] Control: 10c5387d Table: 1694004a DAC: 00000051 # [ 113.085860] Process cat (pid: 1784, stack limit = 0x5e4853d2) # [ 113.091631] Stack: (0xc5a41e38 to 0xc5a42000) # [ 113.096019] 1e20: 0000001f c5d87000 # [ 113.104229] 1e40: 0000000a c5a41f60 c5a41e64 c5a41e58 c138c460 c138c25c c5a41e74 c5a41e68 # [ 113.112438] 1e60: c0c2f028 c138c448 c5a41e9c c5a41e78 c0c2f528 c0c2f008 c0c2f408 c5aa5900 # [ 113.120648] 1e80: b6e60000 0000000a c513d000 c5a41f60 c5a41ec4 c5a41ea0 c07f6038 c0c2f414 # [ 113.128856] 1ea0: 00000000 c5aa5900 b6e60000 c2816000 c5a41f60 c07f5fd4 c5a41f5c c5a41ec8 # [ 113.137066] 1ec0: c0598ab8 c07f5fe0 00000001 00000000 c059904c c13a1a78 c059904c c5a40000 # [ 113.145274] 1ee0: b6e60000 00020000 00000004 0000000a 0001fff6 c5a41ee0 00000001 b6e5f000 # [ 113.153481] 1f00: c59ec8c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 113.161690] 1f20: 00000000 00000000 c13a1a78 99f379bd c205cf60 c5aa5900 c5aa5900 c5a40000 # [ 113.169901] 1f40: b6e60000 00000000 00000000 00000004 c5a41f94 c5a41f60 c059904c c05989b8 # [ 113.178109] 1f60: 00000000 00000000 c5a41fac 99f379bd 0000000a 0000000a b6fa7e00 00000004 # [ 113.186317] 1f80: c03002e4 c5a40000 c5a41fa4 c5a41f98 c05990dc c0598fe4 00000000 c5a41fa8 # [ 113.194524] 1fa0: c03000c0 c05990d0 0000000a 0000000a 00000001 b6e60000 0000000a 00000000 # [ 113.202732] 1fc0: 0000000a 0000000a b6fa7e00 00000004 00000001 00000000 00020000 be894a54 # [ 113.210939] 1fe0: 00000004 be894788 b6f124cf b6e987e6 800e0030 00000001 00000000 00000000 # [ 113.219133] Backtrace: # [ 113.221635] [] (execute_location) from [] (lkdtm_EXEC_DATA+0x24/0x28) # [ 113.229844] r7:c5a41f60 r6:0000000a r5:c5d87000 r4:0000001f # [ 113.235553] [] (lkdtm_EXEC_DATA) from [] (lkdtm_do_action+0x2c/0x4c) # [ 113.243686] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 113.251737] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 113.259694] r9:c5a41f60 r8:c513d000 r7:0000000a r6:b6e60000 r5:c5aa5900 r4:c0c2f408 # [ 113.267487] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 113.275355] r9:c07f5fd4 r8:c5a41f60 r7:c2816000 r6:b6e60000 r5:c5aa5900 r4:00000000 # [ 113.283136] [] (vfs_write)[ 113.771876] lkdtm: Performing direct entry EXEC_STACK from [] (ksys_write+0x[ 113.777621] lkdtm: attempting ok execution at c0c2fd98 74/0xec) # [ 113.290307] r10:0[ 113.785671] lkdtm: attempting bad execution at c5d99e0c 0000004 r9:00000000 r8:00000000 r[ 113.793792] 8<--- cut here --- 7:b6e6000[0 r161:3c.57a94906000] Unable to handle kernel paging request at virtual address c5d99e0c 0 r5:c5aa5[9 0 01 1 3#. 8[0 8 5169] pgd = e2e428cd 3.298159] r4:c5aa5900 # [[ 113.813097] [c5d99e0c] *pgd=15c1141e(bad) 13.300730] [1]3 .(819628] Internal error: Oops: 8000000d [#4] SMP ARM sys_write) from [] (sys[ 113.827018] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb etnaviv parallel_display gpu_sched imxdrm imx_ipu_v3 _write+0x18/0x1c) [ #1 1[3 . 818723] CPU: 2 PID: 1860 Comm: cat Tainted: G D W 5.10.155-cip21 #1 13.307897][ r191:3c.58a64805041] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 0 r8:c03002e4 r7:[0 0 0101030.0846895] PC is at 0xc5d99e0c r6:b6fa7e00 r5:0000000[a r141:.882123] LR is at execute_location+0xa4/0xb4 0000000a # [[ 11131.38.8381956] pc : [] lr : [] psr: 600e0013 681] [8]9 7(0s7y] sp : c5d99de8 ip : c5d99cf0 fp : c5d99e04 s_write) fr[o m 1[1<3c.0930040003] r10: 0000000b r9 : c1ad0b0c r8 : c15e8634 c0>] (ret_f[a s t11_3s.y9s1c1a0l78] r7 : c5d99f60 r6 : 00000001 r5 : c5d99e0c r4 : c0c2fd98 +0x0/0x28)[ #1 1[3 . 9111934.26] r3 : 0c734625 r2 : 0c734625 r1 : ef7ab5e0 r0 : 0000002b 23276] Except[i o n1 1s3t.a9c2k7(76] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none 0xc5a41fa8 t[o 01x1c35.a94316f817] Control: 10c5387d Table: 16e8c04a DAC: 00000051 0) # [ 113.[3 2 8131539.]94 41472] Process cat (pid: 1860, stack limit = 0xd6babaa4) a0: [ 1 1 3 . 9 5 2 1 4] Stack: (0xc5d99de8 to 0xc5d9a000) 0000000a 0000000a 0[0 0 0101030.158307] 9de0: c5d98000 c6aab000 0000000b c5d99f60 c5d99e64 c5d99e08 b6e60000 000000[0 a 101030.09068650] 9e00: c138c49c c138c25c c5d99e6c e1a0c00d e92dd800 e24cb004 e52de004 e8bd4000 00 # [ 113.336[5 6 71]13 .19f7c908] 9e20: e89da800 e1a0c00d e92dd830 e24cb004 e52de004 e8bd4000 e3023374 e34c31b8 0: 0000000a 0000[0 0 01a1 3b.69f89079] 9e40: e3a02040 e3a01d33 e5930018 0c734625 0000000b 00000020 c5d99e74 c5d99e68 7e00 00000004[ 0 0101030.090919 36] 9e60: c0c2f028 c138c470 c5d99e9c c5d99e78 c0c2f528 c0c2f008 c0c2f408 c471d900 00000000 000200[0 0 1b1e48.9040a421] 9e80: b6e45000 0000000b c513d000 c5d99f60 c5d99ec4 c5d99ea0 c07f6038 c0c2f414 54 # [ 113.34477[1 ] 111f4e.0019594] 9ea0: 00000000 c471d900 b6e45000 c2816000 c5d99f60 c07f5fd4 c5d99f5c c5d99ec8 00000004 be894[7 8 81 1b46.f0122936] 9ec0: c0598ab8 c07f5fe0 00000001 00000000 c059904c c13a1a78 c059904c c5d98000 4cf b6e987e6 # [[ 111143..0340109] 9ee0: b6e45000 00020000 00000004 0000000b 0001fff5 c5d99ee0 00000001 b6e44000 9857] Code: 0[0 0 0101040.00 5c0264] 9f00: c5d17680 00000000 00000000 00000000 00000000 00000000 00000000 00000000 b1b780 c2b1b840[ c 21b114b.90060450] 9f20: 00000000 00000000 c13a1a78 0c734625 c205cf60 c471d900 c471d900 c5d98000 (e1a0c00d) #[ [ 1 1141.30.73623] 9f40: b6e45000 00000000 00000000 00000004 c5d99f94 c5d99f60 c059904c c05989b8 55987] ---[ end[ t r1a1c4e. 0c8f795] 9f60: 00000000 00000000 c5d99fac 0c734625 0000000b 0000000b b6f8ce00 00000004 55c2bf51e529c7[ ] -1-1-4 . 0#9 0967] 9f80: c03002e4 c5d98000 c5d99fa4 c5d99f98 c05990dc c0598fe4 00000000 c5d99fa8 XEC_DATA: missing [' c a1l1l4 .t101140] 9fa0: c03000c0 c05990d0 0000000b 0000000b 00000001 b6e45000 0000000b 00000000 ace:': [FAIL] [n o t1 1o4k. 1310483] 9fc0: 0000000b 0000000b b6f8ce00 00000004 00000001 00000000 00020000 bec02a54 selftests: lkdtm: [E X E1C1_4D.A21655] 9fe0: 00000004 bec02788 b6ef74cf b6e7d7e6 800e0030 00000001 00000000 00000000 TA.sh # exit=[1 1#1 4s.e1l3f1t91] Backtrace: ests: lkdtm: EXEC_ST[A C K1.1s4h.136356] [] (execute_location) from [] (lkdtm_EXEC_STACK+0x38/0x54) [ 114.146871] r7:c5d99f60 r6:0000000b r5:c6aab000 r4:c5d98000 [ 114.152625] [] (lkdtm_EXEC_STACK) from [] (lkdtm_do_action+0x2c/0x4c) [ 114.160807] r4:00000020 [ 114.163355] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 114.171373] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 114.179300] r9:c5d99f60 r8:c513d000 r7:0000000b r6:b6e45000 r5:c471d900 r4:c0c2f408 [ 114.187056] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 114.194893] r9:c07f5fd4 r8:c5d99f60 r7:c2816000 r6:b6e45000 r5:c471d900 r4:00000000 [ 114.202647] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 114.209790] r10:00000004 r9:00000000 r8:00000000 r7:b6e45000 r6:c5d98000 r5:c471d900 [ 114.217623] r4:c471d900 [ 114.220165] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 114.227310] r9:c5d98000 r8:c03002e4 r7:00000004 r6:b6f8ce00 r5:0000000b r4:0000000b [ 114.235066] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 114.242640] Exception stack(0xc5d99fa8 to 0xc5d99ff0) [ 114.247701] 9fa0: 0000000b 0000000b 00000001 b6e45000 0000000b 00000000 [ 114.255885] 9fc0: 0000000b 0000000b b6f8ce00 00000004 00000001 00000000 00020000 bec02a54 [ 114.264068] 9fe0: 00000004 bec02788 b6ef74cf b6e7d7e6 [ 114.269127] Code: c5d99e08 c138c49c c138c25c c5d99e6c (e1a0c00d) [ 114.275232] ---[ end trace cf55c2bf51e529c8 ]--- # Segmentation fault # [ 113.771876] lkdtm: Performing direct entry EXEC_STACK # [ 113.777621] lkdtm: attempting ok execution at c0c2fd98 # [ 113.785671] lkdtm: attempting bad execution at c5d99e0c # [ 113.793792] 8<--- cut here --- # [ 113.799608] Unable to handle kernel paging request at virtual address c5d99e0c # [ 113.808569] pgd = e2e428cd # [ 113.813097] [c5d99e0c] *pgd=15c1141e(bad) # [ 113.819628] Internal error: Oops: 8000000d [#4] SMP ARM # [ 113.827018] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb etnaviv parallel_display gpu_sched imxdrm imx_ipu_v3 # [ 113.858723] CPU: 2 PID: 1860 Comm: cat Tainted: G D W 5.10.155-cip21 #1 # [ 113.868541] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 113.876895] PC is at 0xc5d99e0c # [ 113.882123] LR is at execute_location+0xa4/0xb4 # [ 113.888986] pc : [] lr : [] psr: 600e0013 # [ 113.897073] sp : c5d99de8 ip : c5d99cf0 fp : c5d99e04 # [ 113.904033] r10: 0000000b r9 : c1ad0b0c r8 : c15e8634 # [ 113.911078] r7 : c5d99f60 r6 : 00000001 r5 : c5d99e0c r4 : c0c2fd98 # [ 113.919426] r3 : 0c734625 r2 : 0c734625 r1 : ef7ab5e0 r0 : 0000002b # [ 113.927776] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 113.936817] Control: 10c5387d Table: 16e8c04a DAC: 00000051 # [ 113.944472] Process cat (pid: 1860, stack limit = 0xd6babaa4) # [ 113.952124] Stack: (0xc5d99de8 to 0xc5d9a000) # [ 113.958307] 9de0: c5d98000 c6aab000 0000000b c5d99f60 c5d99e64 c5d99e08 # [ 113.968650] 9e00: c138c49c c138c25c c5d99e6c e1a0c00d e92dd800 e24cb004 e52de004 e8bd4000 # [ 113.978908] 9e20: e89da800 e1a0c00d e92dd830 e24cb004 e52de004 e8bd4000 e3023374 e34c31b8 # [ 113.989079] 9e40: e3a02040 e3a01d33 e5930018 0c734625 0000000b 00000020 c5d99e74 c5d99e68 # [ 113.999336] 9e60: c0c2f028 c138c470 c5d99e9c c5d99e78 c0c2f528 c0c2f008 c0c2f408 c471d900 # [ 114.009421] 9e80: b6e45000 0000000b c513d000 c5d99f60 c5d99ec4 c5d99ea0 c07f6038 c0c2f414 # [ 114.019594] 9ea0: 00000000 c471d900 b6e45000 c2816000 c5d99f60 c07f5fd4 c5d99f5c c5d99ec8 # [ 114.029936] 9ec0: c0598ab8 c07f5fe0 00000001 00000000 c059904c c13a1a78 c059904c c5d98000 # [ 114.040109] 9ee0: b6e45000 00020000 00000004 0000000b 0001fff5 c5d99ee0 00000001 b6e44000 # [ 114.050364] 9f00: c5d17680 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 114.060450] 9f20: 00000000 00000000 c13a1a78 0c734625 c205cf60 c471d900 c471d900 c5d98000 # [ 114.070623] 9f40: b6e45000 00000000 00000000 00000004 c5d99f94 c5d99f60 c059904c c05989b8 # [ 114.080795] 9f60: 00000000 00000000 c5d99fac 0c734625 0000000b 0000000b b6f8ce00 00000004 # [ 114.090967] 9f80: c03002e4 c5d98000 c5d99fa4 c5d99f98 c05990dc c0598fe4 00000000 c5d99fa8 # [ 114.101140] 9fa0: c03000c0 c05990d0 0000000b 0000000b 00000001 b6e45000 0000000b 00000000 # [ 114.111483] 9fc0: 0000000b 0000000b b6f8ce00 00000004 00000001 00000000 00020000 bec02a54 # [ 114.121655] 9fe0: 00000004 bec02788 b6ef74cf b6e7d7e6 800e0030 00000001 00000000 00000000 # [ 114.131991] Backtrace: # [ 114.136356] [] (execute_location) from [] (lkdtm_EXEC_STACK+0x38/0x54) # [ 114.146871] r7:c5d99f60 r6:0000000b r5:c6aab000 r4:c5d98000 # [ 114.152625] [] (lkdtm_EXEC_STACK) from [] (lkdtm_do_action+0x2c/0x4c) # [ 114.160807] r4:00000020 # [ 114.163355] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 114.171373] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 114.179300] r9:c5d99f60 r8:c513d000 r7:0000000b r6:b6e45000 r5:c471d900 r4:c0c2f408 # [ 114.187056] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 114.194893] r9:c07f5fd4 r8:c5d99f60 r7:c2816000 r6:b6e45000 r5:c471d900 r4:00000000 # [ 114.202647] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 114.209790] r10:00000004 r9:00000000 r8:00000000 r7:b6e45000 r6:c5d98000 r5:c471d900 # [ 114.217623] r4:c471d900 # [ 114.220165] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 114.227310] r9:c5[ 114.742679] lkdtm: Performing direct entry EXEC_KMALLOC d98000 r8:c03002e4 r7[: 0 0101040749622] lkdtm: attempting ok execution at c0c2fd98 004 r6:b6f8ce00 r5:0000000b r4:00[ 114.757157] lkdtm: attempting bad execution at c58006c0 00000b # [ 114.235066] [] (sys_write) from [[< c 01310.771037] Unable to handle kernel paging request at virtual address c58006c0 00c0>] (ret_fast_[s y s1c1a4l.l7+0611] pgd = a707dbcd 0x0/0x28) # [ 114.242640] Excep[ 114.785409] [c58006c0] *pgd=1581141e(bad) tion stack(0xc5d99fa8 to 0xc5d[9 114.792302] Internal error: Oops: 8000000d [#5] SMP ARM ff0) # [ 114.247701] 9fa0: [ 114.800218] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb etnaviv parallel_display gpu_sched imxdrm imx_ipu_v3 0000000b 0000000b [ 114.831938] CPU: 1 PID: 1939 Comm: cat Tainted: G D W 5.10.155-cip21 #1 0000001 b6e450[0 0 101040.080402453] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) b 00000000 # [ 114.255885] [9 f114.850992] PC is at 0xc58006c0 c0: 0000000b 0000000b b6f8ce00 00[ 114.856752] LR is at execute_location+0xa4/0xb4 000004 00000001 [0 0 0101040.08064142] pc : [] lr : [] psr: 600e0013 00020000 bec02a54 [ # 1[1 4 .1872500] sp : c6a29e30 ip : c6a29d38 fp : c6a29e4c 4.264068] 9fe0: 00000004[ b e1c14.879903] r10: 0000000d r9 : c1ad0b18 r8 : c15e8634 2788 b6ef74cf b6e7d[7 e 611 4 .#887562] r7 : c6a29f60 r6 : 00000001 r5 : c58006c0 r4 : c0c2fd98 [ 114.269127] Co[d e :1 1c45.d896264] r3 : 53dda255 r2 : 53dda255 r1 : ef7965e0 r0 : 0000002b 9e08 c138c49c c138c25c [c 5 d1919.904887] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none e6c (e1a0c00d) # [ [1 1 41.124.914370] Control: 10c5387d Table: 16fb804a DAC: 00000051 5232] ---[ end trace [c f 5151c42922466] Process cat (pid: 1939, stack limit = 0x54e4cc76) bf51e529c8 ]--- # EX[E C _1S1T4A930476] Stack: (0xc6a29e30 to 0xc6a2a000) CK: missing 'call trace:': [FA[I 114.937103] 9e20: c58006c0 c6aa9000 0000000d c6a29f60 ] not ok 31 selftests: lkdtm: EX[ 114.947981] 9e40: c6a29e64 c6a29e50 c0c2fde8 c138c25c 00000021 c6aa9000 c6a29e74 c6a29e68 EC_STACK.sh # exit=1 # se[l f t114.959028] 9e60: c0c2f028 c0c2fdbc c6a29e9c c6a29e78 c0c2f528 c0c2f008 c0c2f408 c5b1a8c0 sts: lkdtm: EXEC_KMALLOC.sh [ 114.969731] 9e80: b6e41000 0000000d c513d000 c6a29f60 c6a29ec4 c6a29ea0 c07f6038 c0c2f414 [ 114.980432] 9ea0: 00000000 c5b1a8c0 b6e41000 c2816000 c6a29f60 c07f5fd4 c6a29f5c c6a29ec8 [ 114.988642] 9ec0: c0598ab8 c07f5fe0 00000001 00000000 c059904c c13a1a78 c059904c c6a28000 [ 114.996851] 9ee0: b6e41000 00020000 00000004 0000000d 0001fff3 c6a29ee0 00000001 b6e40000 [ 115.005058] 9f00: c6b1e640 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 115.013267] 9f20: 00000000 00000000 c13a1a78 53dda255 c205cf60 c5b1a8c0 c5b1a8c0 c6a28000 [ 115.021478] 9f40: b6e41000 00000000 00000000 00000004 c6a29f94 c6a29f60 c059904c c05989b8 [ 115.029687] 9f60: 00000000 00000000 c6a29fac 53dda255 0000000d 0000000d b6f88e00 00000004 [ 115.037895] 9f80: c03002e4 c6a28000 c6a29fa4 c6a29f98 c05990dc c0598fe4 00000000 c6a29fa8 [ 115.046103] 9fa0: c03000c0 c05990d0 0000000d 0000000d 00000001 b6e41000 0000000d 00000000 [ 115.054310] 9fc0: 0000000d 0000000d b6f88e00 00000004 00000001 00000000 00020000 beb16a54 [ 115.062517] 9fe0: 00000004 beb16788 b6ef34cf b6e797e6 800e0030 00000001 00000000 00000000 [ 115.070711] Backtrace: [ 115.073212] [] (execute_location) from [] (lkdtm_EXEC_KMALLOC+0x38/0x44) [ 115.081685] r7:c6a29f60 r6:0000000d r5:c6aa9000 r4:c58006c0 [ 115.087391] [] (lkdtm_EXEC_KMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) [ 115.095768] r5:c6aa9000 r4:00000021 [ 115.099385] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 115.107432] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 115.115382] r9:c6a29f60 r8:c513d000 r7:0000000d r6:b6e41000 r5:c5b1a8c0 r4:c0c2f408 [ 115.123168] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 115.131031] r9:c07f5fd4 r8:c6a29f60 r7:c2816000 r6:b6e41000 r5:c5b1a8c0 r4:00000000 [ 115.138813] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 115.145980] r10:00000004 r9:00000000 r8:00000000 r7:b6e41000 r6:c6a28000 r5:c5b1a8c0 [ 115.153830] r4:c5b1a8c0 [ 115.156400] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 115.163566] r9:c6a28000 r8:c03002e4 r7:00000004 r6:b6f88e00 r5:0000000d r4:0000000d [ 115.171348] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 115.178940] Exception stack(0xc6a29fa8 to 0xc6a29ff0) [ 115.184022] 9fa0: 0000000d 0000000d 00000001 b6e41000 0000000d 00000000 [ 115.192232] 9fc0: 0000000d 0000000d b6f88e00 00000004 00000001 00000000 00020000 beb16a54 [ 115.200435] 9fe0: 00000004 beb16788 b6ef34cf b6e797e6 [ 115.205520] Code: 00160017 fffc7fff dfefffff ffffdfff (e1a0c00d) [ 115.211649] ---[ end trace cf55c2bf51e529c9 ]--- # Segmentation fault # [ 114.742679] lkdtm: Performing direct entry EXEC_KMALLOC # [ 114.749622] lkdtm: attempting ok execution at c0c2fd98 # [ 114.757157] lkdtm: attempting bad execution at c58006c0 # [ 114.765237] 8<--- cut here --- # [ 114.771037] Unable to handle kernel paging request at virtual address c58006c0 # [ 114.780611] pgd = a707dbcd # [ 114.785409] [c58006c0] *pgd=1581141e(bad) # [ 114.792302] Internal error: Oops: 8000000d [#5] SMP ARM # [ 114.800218] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb etnaviv parallel_display gpu_sched imxdrm imx_ipu_v3 # [ 114.831938] CPU: 1 PID: 1939 Comm: cat Tainted: G D W 5.10.155-cip21 #1 # [ 114.842453] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 114.850992] PC is at 0xc58006c0 # [ 114.856752] LR is at execute_location+0xa4/0xb4 # [ 114.864142] pc : [] lr : [] psr: 600e0013 # [ 114.872500] sp : c6a29e30 ip : c6a29d38 fp : c6a29e4c # [ 114.879903] r10: 0000000d r9 : c1ad0b18 r8 : c15e8634 # [ 114.887562] r7 : c6a29f60 r6 : 00000001 r5 : c58006c0 r4 : c0c2fd98 # [ 114.896264] r3 : 53dda255 r2 : 53dda255 r1 : ef7965e0 r0 : 0000002b # [ 114.904887] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 114.914370] Control: 10c5387d Table: 16fb804a DAC: 00000051 # [ 114.922466] Process cat (pid: 1939, stack limit = 0x54e4cc76) # [ 114.930476] Stack: (0xc6a29e30 to 0xc6a2a000) # [ 114.937103] 9e20: c58006c0 c6aa9000 0000000d c6a29f60 # [ 114.947981] 9e40: c6a29e64 c6a29e50 c0c2fde8 c138c25c 00000021 c6aa9000 c6a29e74 c6a29e68 # [ 114.959028] 9e60: c0c2f028 c0c2fdbc c6a29e9c c6a29e78 c0c2f528 c0c2f008 c0c2f408 c5b1a8c0 # [ 114.969731] 9e80: b6e41000 0000000d c513d000 c6a29f60 c6a29ec4 c6a29ea0 c07f6038 c0c2f414 # [ 114.980432] 9ea0: 00000000 c5b1a8c0 b6e41000 c2816000 c6a29f60 c07f5fd4 c6a29f5c c6a29ec8 # [ 114.988642] 9ec0: c0598ab8 c07f5fe0 00000001 00000000 c059904c c13a1a78 c059904c c6a28000 # [ 114.996851] 9ee0: b6e41000 00020000 00000004 0000000d 0001fff3 c6a29ee0 00000001 b6e40000 # [ 115.005058] 9f00: c6b1e640 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 115.013267] 9f20: 00000000 00000000 c13a1a78 53dda255 c205cf60 c5b1a8c0 c5b1a8c0 c6a28000 # [ 115.021478] 9f40: b6e41000 00000000 00000000 00000004 c6a29f94 c6a29f60 c059904c c05989b8 # [ 115.029687] 9f60: 00000000 00000000 c6a29fac 53dda255 0000000d 0000000d b6f88e00 00000004 # [ 115.037895] 9f80: c03002e4 c6a28000 c6a29fa4 c6a29f98 c05990dc c0598fe4 00000000 c6a29fa8 # [ 115.046103] 9fa0: c03000c0 c05990d0 0000000d 0000000d 00000001 b6e41000 0000000d 00000000 # [ 115.054310] 9fc0: 0000000d 0000000d b6f88e00 00000004 00000001 00000000 00020000 beb16a54 # [ 115.062517] 9fe0: 00000004 beb16788 b6ef34cf b6e797e6 800e0030 00000001 00000000 00000000 # [ 115.070711] Backtrace: # [ 115.073212] [] (execute_location) from [] (lkdtm_EXEC_KMALLOC+0x38/0x44) # [ 115.081685] r7:c6a29f60 r6:0000000d r5:c6aa9000 r4:c58006c0 # [ 115.087391] [] (lkdtm_EXEC_KMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) # [ 115.095768] r5:c6aa9000 r4:00000021 # [ 115.099385] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 115.107432] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 115.115382] r9:c6a29f60 r8:c513d000 r7:0000000d r6:b6e41000 r5:c5b1a8c0 r4:c0c2f408 # [ 115.123168] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 115.131031] r9:c07f5fd4 r8:c6a29f60 r7:c2816000 r6:b6e41000 r5:c5b1a8c0 r4:00000000 # [ 115.138813] [] (vfs_write) from [] ([ 115.630680] lkdtm: Performing direct entry EXEC_VMALLOC ksys_write+0x74/0xec) # [ 115.1[ 115.637484] lkdtm: attempting ok execution at c0c2fd98 45980] r10:00000004 r9:00000000 [ 115.645279] lkdtm: attempting bad execution at f0972000 r8:00000000 r7:b6e41000 r6:c6a280[ 115.653376] 8<--- cut here --- 00 r5:c5b1a8c0 # [ 1[1 5 .11155.659215] Unable to handle kernel paging request at virtual address f0972000 830] r4:c5b1a8c0 # [ 115.15640[ 115.668819] pgd = 770d008b 0] [] (ksys_write) from[ 115.674404] [f0972000] *pgd=1294b811, *pte=4940265f, *ppte=4940245f [] (sys_write+0x18/0x1[ 115.683549] Internal error: Oops: 8000000f [#6] SMP ARM c) # [ 115.163566] r9:c6a28000[ 115.691573] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb etnaviv parallel_display gpu_sched imxdrm imx_ipu_v3 r8:c03002e4 r7:00000004[ r 61:15.723280] CPU: 1 PID: 2016 Comm: cat Tainted: G D W 5.10.155-cip21 #1 6f88e00 r5:0[0 0 0101050.d7 3r34446] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 0000000d # [ 115[. 1 7111354.8741889] PC is at 0xf0972000 [] (sys_write) fro[m 115.747206] LR is at execute_location+0xa4/0xb4 [] ([r e t1_1f5a.7s5t4_29] pc : [] lr : [] psr: 600e0013 syscall+0x0[/ 0 x12185). 7 6#2 5[4] sp : c69d1e30 ip : c69d1d38 fp : c69d1e4c 115.178940[] E1x1c5e.p7t6i9o553] r10: 0000000d r9 : c1ad0b28 r8 : c15e8634 stack(0xc6a2[9 f a1185 .t7o7 60686] r7 : c69d1f60 r6 : 00000001 r5 : f0972000 r4 : c0c2fd98 c6a29ff0) [# [1 1 51.1758.51181] r3 : f3da5cfb r2 : f3da5cfb r1 : ef7965e0 r0 : 0000002b 4022] 9fa0: [ 1 1 5 . 7 9 3472] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none 000000[0 d 101050.0800020603] Control: 10c5387d Table: 16edc04a DAC: 00000051 00000001 b6e4100[0 011050.08010260] Process cat (pid: 2016, stack limit = 0x37861a05) 0d 00000000 # [[ 111155..8119086] Stack: (0xc69d1e30 to 0xc69d2000) 2232] 9fc0: 000000[0 d 101050.0824441] 1e20: f0972000 c5807000 0000000d c69d1f60 00d b6f88e00 0000000[4 0101050.834789] 1e40: c69d1e64 c69d1e50 c0c2fe1c c138c25c 00000022 c5807000 c69d1e74 c69d1e68 001 00000000 00020[0 0 01 1b5e.b845223] 1e60: c0c2f028 c0c2fe00 c69d1e9c c69d1e78 c0c2f528 c0c2f008 c0c2f408 c5b1bb80 6a54 # [ 115.20043[ 5 ]1 195f.e55569] 1e80: b6de6000 0000000d c513d000 c69d1f60 c69d1ec4 c69d1ea0 c07f6038 c0c2f414 0: 00000004 beb16788[ b 61e1f53.865915] 1ea0: 00000000 c5b1bb80 b6de6000 c2816000 c69d1f60 c07f5fd4 c69d1f5c c69d1ec8 cf b6e797e6 # [ 11[5 . 2101555.876348] 1ec0: c0598ab8 c07f5fe0 00000001 00000000 c059904c c280b1e4 c059904c c69d0000 0] Code: 00160017 ff[f c 71f1f5f.886781] 1ee0: b6de6000 00020000 00000004 0000000d 0001fff3 c69d1ee0 00000001 00000805 dfefffff ffffdfff[ ( e111a50.c807212] 1f00: c6a54f00 00000000 00000000 00000000 00000000 00000000 00000000 00000000 0d) # [ 115.211649[] -1-1-5[907473] 1f20: 00000000 00000000 c69d0000 f3da5cfb b6de5000 c5b1bb80 c5b1bb80 c69d0000 end trace cf55c2bf[5 1 e151259.c17905] 1f40: b6de6000 00000000 00000000 00000004 c69d1f94 c69d1f60 c059904c c05989b8 9 ]--- # EXEC_KMAL[L O C1:1 5m.i28252] 1f60: 00000000 00000000 c69d1fac f3da5cfb 0000000d 0000000d b6f2de00 00000004 ssing 'call trace:'[: [1F1A5I.L38598] 1f80: c03002e4 c69d0000 c69d1fa4 c69d1f98 c05990dc c0598fe4 00000000 c69d1fa8 ] not ok 32 selfte[s t s1:1 5l.k48944] 1fa0: c03000c0 c05990d0 0000000d 0000000d 00000001 b6de6000 0000000d 00000000 dtm: EXEC_KMALLOC.[s h 1#1 5e.x959289] 1fc0: 0000000d 0000000d b6f2de00 00000004 00000001 00000000 00020000 be870a54 t=1 # selftests: lk[d t m1:1 5E.969637] 1fe0: 00000004 be870788 b6e984cf b6e1e7e6 800e0030 00000001 00000000 00000000 EC_VMALLOC.sh [ 115.980061] Backtrace: [ 115.983823] [] (execute_location) from [] (lkdtm_EXEC_VMALLOC+0x28/0x34) [ 115.992275] r7:c69d1f60 r6:0000000d r5:c5807000 r4:f0972000 [ 115.997955] [] (lkdtm_EXEC_VMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) [ 116.006318] r5:c5807000 r4:00000022 [ 116.009913] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 116.017938] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 116.025868] r9:c69d1f60 r8:c513d000 r7:0000000d r6:b6de6000 r5:c5b1bb80 r4:c0c2f408 [ 116.033633] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 116.041478] r9:c07f5fd4 r8:c69d1f60 r7:c2816000 r6:b6de6000 r5:c5b1bb80 r4:00000000 [ 116.049236] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 116.056384] r10:00000004 r9:00000000 r8:00000000 r7:b6de6000 r6:c69d0000 r5:c5b1bb80 [ 116.064222] r4:c5b1bb80 [ 116.066773] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 116.073919] r9:c69d0000 r8:c03002e4 r7:00000004 r6:b6f2de00 r5:0000000d r4:0000000d [ 116.081679] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 116.089259] Exception stack(0xc69d1fa8 to 0xc69d1ff0) [ 116.094325] 1fa0: 0000000d 0000000d 00000001 b6de6000 0000000d 00000000 [ 116.102515] 1fc0: 0000000d 0000000d b6f2de00 00000004 00000001 00000000 00020000 be870a54 [ 116.110702] 1fe0: 00000004 be870788 b6e984cf b6e1e7e6 [ 116.115772] Code: bad PC value [ 116.118934] ---[ end trace cf55c2bf51e529ca ]--- # Segmentation fault # [ 115.630680] lkdtm: Performing direct entry EXEC_VMALLOC # [ 115.637484] lkdtm: attempting ok execution at c0c2fd98 # [ 115.645279] lkdtm: attempting bad execution at f0972000 # [ 115.653376] 8<--- cut here --- # [ 115.659215] Unable to handle kernel paging request at virtual address f0972000 # [ 115.668819] pgd = 770d008b # [ 115.674404] [f0972000] *pgd=1294b811, *pte=4940265f, *ppte=4940245f # [ 115.683549] Internal error: Oops: 8000000f [#6] SMP ARM # [ 115.691573] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb etnaviv parallel_display gpu_sched imxdrm imx_ipu_v3 # [ 115.723280] CPU: 1 PID: 2016 Comm: cat Tainted: G D W 5.10.155-cip21 #1 # [ 115.733446] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 115.741889] PC is at 0xf0972000 # [ 115.747206] LR is at execute_location+0xa4/0xb4 # [ 115.754329] pc : [] lr : [] psr: 600e0013 # [ 115.762504] sp : c69d1e30 ip : c69d1d38 fp : c69d1e4c # [ 115.769553] r10: 0000000d r9 : c1ad0b28 r8 : c15e8634 # [ 115.776686] r7 : c69d1f60 r6 : 00000001 r5 : f0972000 r4 : c0c2fd98 # [ 115.785121] r3 : f3da5cfb r2 : f3da5cfb r1 : ef7965e0 r0 : 0000002b # [ 115.793472] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 115.802603] Control: 10c5387d Table: 16edc04a DAC: 00000051 # [ 115.810260] Process cat (pid: 2016, stack limit = 0x37861a05) # [ 115.818086] Stack: (0xc69d1e30 to 0xc69d2000) # [ 115.824441] 1e20: f0972000 c5807000 0000000d c69d1f60 # [ 115.834789] 1e40: c69d1e64 c69d1e50 c0c2fe1c c138c25c 00000022 c5807000 c69d1e74 c69d1e68 # [ 115.845223] 1e60: c0c2f028 c0c2fe00 c69d1e9c c69d1e78 c0c2f528 c0c2f008 c0c2f408 c5b1bb80 # [ 115.855569] 1e80: b6de6000 0000000d c513d000 c69d1f60 c69d1ec4 c69d1ea0 c07f6038 c0c2f414 # [ 115.865915] 1ea0: 00000000 c5b1bb80 b6de6000 c2816000 c69d1f60 c07f5fd4 c69d1f5c c69d1ec8 # [ 115.876348] 1ec0: c0598ab8 c07f5fe0 00000001 00000000 c059904c c280b1e4 c059904c c69d0000 # [ 115.886781] 1ee0: b6de6000 00020000 00000004 0000000d 0001fff3 c69d1ee0 00000001 00000805 # [ 115.897212] 1f00: c6a54f00 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 115.907473] 1f20: 00000000 00000000 c69d0000 f3da5cfb b6de5000 c5b1bb80 c5b1bb80 c69d0000 # [ 115.917905] 1f40: b6de6000 00000000 00000000 00000004 c69d1f94 c69d1f60 c059904c c05989b8 # [ 115.928252] 1f60: 00000000 00000000 c69d1fac f3da5cfb 0000000d 0000000d b6f2de00 00000004 # [ 115.938598] 1f80: c03002e4 c69d0000 c69d1fa4 c69d1f98 c05990dc c0598fe4 00000000 c69d1fa8 # [ 115.948944] 1fa0: c03000c0 c05990d0 0000000d 0000000d 00000001 b6de6000 0000000d 00000000 # [ 115.959289] 1fc0: 0000000d 0000000d b6f2de00 00000004 00000001 00000000 00020000 be870a54 # [ 115.969637] 1fe0: 00000004 be870788 b6e984cf b6e1e7e6 800e0030 00000001 00000000 00000000 # [ 115.980061] Backtrace: # [ 115.983823] [] (execute_location) from [] (lkdtm_EXEC_VMALLOC+0x28/0x34) # [ 115.992275] r7:c69d1f60 r6:0000000d r5:c5807000 r4:f0972000 # [ 115.997955] [] (lkdtm_EXEC_VMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) # [ 116.006318] r5:c5807000 r4:00000022 # [ 116.009913] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 116.017938] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 116.025868] r9:c69d1f60 r8:c513d000 r7:0000000d r6:b6de6000 r5:c5b1bb80 r4:c0c2f408 # [ 116.033633] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 116.041478] r9[ 116.550362] lkdtm: Performing direct entry EXEC_RODATA :c07f5fd4 r8:c69d1f60 r7:c2816000[ 116.557677] lkdtm: attempting ok execution at c0c2fd98 r6:b6de6000 r5:c5b1bb80 r4:00000[ 116.565810] lkdtm: attempting bad execution at c15e88d0 000 # [ 116.049236] [[ 116.573726] 8<--- cut here --- ] (vfs_writ[e ) 1f1r6o.m5 7[9<5c0] Unable to handle kernel paging request at virtual address c15e88d0 059904c>] (k[s y s1_1w6r.i5t8e8+635] pgd = c0e2eb11 x74/0xec) # [ 116.056384][ r16.593250] [c15e88d0] *pgd=1141941e(bad) 10:00000004 r9:00000[0 0 01 1r68.599780] Internal error: Oops: 8000000d [#7] SMP ARM 00000000 r7:b6de6000 r6:c69d0000 [ 116.607255] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb etnaviv parallel_display gpu_sched imxdrm imx_ipu_v3 r5:c5b1bb80 # [ 116[. 0 6141262638958] CPU: 3 PID: 2093 Comm: cat Tainted: G D W 5.10.155-cip21 #1 2] r4:c5b1[b b 8101 6 .#6 4[8 9 0] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 116.066773] [][ ( k1s16.657307] PC is at lkdtm_rodata_do_nothing+0x0/0x10 s_write) from [6].664784] LR is at execute_location+0xa4/0xb4 (sys_write+0x1[8 / 01x116c.)6 7 1564] pc : [] lr : [] psr: 600e0013 [ 116.07[3 9 1191]6 . 6r7998:2c] sp : c6fdbe38 ip : c6fdbd40 fp : c6fdbe54 69d0000 r8:[c 0 3101062.e648 6r773] r10: 0000000c r9 : c1ad0b38 r8 : c15e8634 :0000000[4 r161:6b.66f923d8e208] r7 : c6fdbf60 r6 : 00000000 r5 : c15e88d0 r4 : c0c2fd98 r5:0000000d [r 4 :101060.070002092] r3 : 63219b82 r2 : 63219b82 r1 : ef7c05e0 r0 : 0000002b d # [ 116.08[1 6 7191]6 .[7<1c0527] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none 5990c4>] (s[y s _1w1r6i.t7e1)9 6f5] Control: 10c5387d Table: 16e9004a DAC: 00000051 rom [.]7 2(7r2e2t] Process cat (pid: 2093, stack limit = 0x8a616fa1) _fast_sysc[a l l1+106x.07/304x7202] Stack: (0xc6fdbe38 to 0xc6fdc000) ) # [ 116.08[9 2 5191]6 .E7x4c0882] be20: 00000023 c6c35000 ption stack(0xc6[9 d 11f1a68. 7t51056] be40: 0000000c c6fdbf60 c6fdbe64 c6fdbe58 c138c4dc c138c25c c6fdbe74 c6fdbe68 0xc69d1ff0) # [[ 1 1161.67.60314] be60: c0c2f028 c138c4c4 c6fdbe9c c6fdbe78 c0c2f528 c0c2f008 c0c2f408 c6b1f900 94325] 1fa0: [ 1 1 6 . 771487] be80: b6e98000 0000000c c513d000 c6fdbf60 c6fdbec4 c6fdbea0 c07f6038 c0c2f414 0000000d 0000[0 0 01d1 60.0781831] bea0: 00000000 c6b1f900 b6e98000 c2816000 c6fdbf60 c07f5fd4 c6fdbf5c c6fdbec8 00001 b6de6000 0[0 0 0101060.d7 92174] bec0: c0598ab8 c07f5fe0 00000001 00000000 c059904c c13a1a78 c059904c c6fda000 0000000 # [ 1[1 6 .111062.58105432] bee0: b6e98000 00020000 00000004 0000000c 0001fff4 c6fdbee0 00000001 b6e97000 ] 1fc0: 0000000[d 0101060.80102602] bf00: c5b1ba40 00000000 00000000 00000000 00000000 00000000 00000000 00000000 d b6f2de00 000000[0 4 101060.0802774] bf20: 00000000 00000000 c13a1a78 63219b82 c205cf60 c6b1f900 c6b1f900 c6fda000 001 00000000 0[0 0 2101060.08 3b3030] bf40: b6e98000 00000000 00000000 00000004 c6fdbf94 c6fdbf60 c059904c c05989b8 870a54 # [ 1[1 6 .111160.780423202] bf60: 00000000 00000000 c6fdbfac 63219b82 0000000c 0000000c b6fdfe00 00000004 1fe0: 00000004 be[8 7 101768.88 3374] bf80: c03002e4 c6fda000 c6fdbfa4 c6fdbf98 c05990dc c0598fe4 00000000 c6fdbfa8 b6e984cf b6e1e[7 e 61 1 6#. 8[6 3629] bfa0: c03000c0 c05990d0 0000000c 0000000c 00000001 b6e98000 0000000c 00000000 116.115772] Code:[ b a1d1 6P.C8 3803] bfc0: 0000000c 0000000c b6fdfe00 00000004 00000001 00000000 00020000 bee1da54 value # [ 116.[1 1 8191364.]8 84058] bfe0: 00000004 bee1d788 b6f4a4cf b6ed07e6 800e0030 00000001 00000000 00000000 --[ end trace [c f 51156c.28b9f4510] Backtrace: 1e529ca ]--- # EXEC_VM[A L L11O6.898674] [] (execute_location) from [] (lkdtm_EXEC_RODATA+0x24/0x28) : missing 'call tra[c e :1'1:6 .[09362] r7:c6fdbf60 r6:0000000c r5:c6c35000 r4:00000023 FAIL] not ok 33 selftests: l[k d116.917196] [] (lkdtm_EXEC_RODATA) from [] (lkdtm_do_action+0x2c/0x4c) tm: EXEC_VMALLOC.sh # [e x i1t1=6.928058] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # selftests: lkdtm: EXEC_R[O D 116.938405] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) TA.sh [ 116.948915] r9:c6fdbf60 r8:c513d000 r7:0000000c r6:b6e98000 r5:c6b1f900 r4:c0c2f408 [ 116.957269] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 116.965108] r9:c07f5fd4 r8:c6fdbf60 r7:c2816000 r6:b6e98000 r5:c6b1f900 r4:00000000 [ 116.972862] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 116.980006] r10:00000004 r9:00000000 r8:00000000 r7:b6e98000 r6:c6fda000 r5:c6b1f900 [ 116.987840] r4:c6b1f900 [ 116.990385] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 116.997528] r9:c6fda000 r8:c03002e4 r7:00000004 r6:b6fdfe00 r5:0000000c r4:0000000c [ 117.005282] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 117.012857] Exception stack(0xc6fdbfa8 to 0xc6fdbff0) [ 117.017918] bfa0: 0000000c 0000000c 00000001 b6e98000 0000000c 00000000 [ 117.026105] bfc0: 0000000c 0000000c b6fdfe00 00000004 00000001 00000000 00020000 bee1da54 [ 117.034287] bfe0: 00000004 bee1d788 b6f4a4cf b6ed07e6 [ 117.039347] Code: 5f727563 6e756f63 00000074 aa55aa55 (e1a0c00d) [ 117.045451] ---[ end trace cf55c2bf51e529cb ]--- # Segmentation fault # [ 116.550362] lkdtm: Performing direct entry EXEC_RODATA # [ 116.557677] lkdtm: attempting ok execution at c0c2fd98 # [ 116.565810] lkdtm: attempting bad execution at c15e88d0 # [ 116.573726] 8<--- cut here --- # [ 116.579590] Unable to handle kernel paging request at virtual address c15e88d0 # [ 116.588635] pgd = c0e2eb11 # [ 116.593250] [c15e88d0] *pgd=1141941e(bad) # [ 116.599780] Internal error: Oops: 8000000d [#7] SMP ARM # [ 116.607255] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb etnaviv parallel_display gpu_sched imxdrm imx_ipu_v3 # [ 116.638958] CPU: 3 PID: 2093 Comm: cat Tainted: G D W 5.10.155-cip21 #1 # [ 116.648950] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 116.657307] PC is at lkdtm_rodata_do_nothing+0x0/0x10 # [ 116.664784] LR is at execute_location+0xa4/0xb4 # [ 116.671564] pc : [] lr : [] psr: 600e0013 # [ 116.679823] sp : c6fdbe38 ip : c6fdbd40 fp : c6fdbe54 # [ 116.686783] r10: 0000000c r9 : c1ad0b38 r8 : c15e8634 # [ 116.693828] r7 : c6fdbf60 r6 : 00000000 r5 : c15e88d0 r4 : c0c2fd98 # [ 116.702092] r3 : 63219b82 r2 : 63219b82 r1 : ef7c05e0 r0 : 0000002b # [ 116.710527] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 116.719655] Control: 10c5387d Table: 16e9004a DAC: 00000051 # [ 116.727222] Process cat (pid: 2093, stack limit = 0x8a616fa1) # [ 116.734702] Stack: (0xc6fdbe38 to 0xc6fdc000) # [ 116.740882] be20: 00000023 c6c35000 # [ 116.751056] be40: 0000000c c6fdbf60 c6fdbe64 c6fdbe58 c138c4dc c138c25c c6fdbe74 c6fdbe68 # [ 116.761314] be60: c0c2f028 c138c4c4 c6fdbe9c c6fdbe78 c0c2f528 c0c2f008 c0c2f408 c6b1f900 # [ 116.771487] be80: b6e98000 0000000c c513d000 c6fdbf60 c6fdbec4 c6fdbea0 c07f6038 c0c2f414 # [ 116.781831] bea0: 00000000 c6b1f900 b6e98000 c2816000 c6fdbf60 c07f5fd4 c6fdbf5c c6fdbec8 # [ 116.792174] bec0: c0598ab8 c07f5fe0 00000001 00000000 c059904c c13a1a78 c059904c c6fda000 # [ 116.802432] bee0: b6e98000 00020000 00000004 0000000c 0001fff4 c6fdbee0 00000001 b6e97000 # [ 116.812602] bf00: c5b1ba40 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 116.822774] bf20: 00000000 00000000 c13a1a78 63219b82 c205cf60 c6b1f900 c6b1f900 c6fda000 # [ 116.833030] bf40: b6e98000 00000000 00000000 00000004 c6fdbf94 c6fdbf60 c059904c c05989b8 # [ 116.843202] bf60: 00000000 00000000 c6fdbfac 63219b82 0000000c 0000000c b6fdfe00 00000004 # [ 116.853374] bf80: c03002e4 c6fda000 c6fdbfa4 c6fdbf98 c05990dc c0598fe4 00000000 c6fdbfa8 # [ 116.863629] bfa0: c03000c0 c05990d0 0000000c 0000000c 00000001 b6e98000 0000000c 00000000 # [ 116.873803] bfc0: 0000000c 0000000c b6fdfe00 00000004 00000001 00000000 00020000 bee1da54 # [ 116.884058] bfe0: 00000004 bee1d788 b6f4a4cf b6ed07e6 800e0030 00000001 00000000 00000000 # [ 116.894310] Backtrace: # [ 116.898674] [] (execute_location) from [] (lkdtm_EXEC_RODATA+0x24/0x28) # [ 116.909362] r7:c6fdbf60 r6:0000000c r5:c6c35000 r4:00000023 # [ 116.917196] [] (lkdtm_EXEC_RODATA) from [] (lkdtm_do_action+0x2c/0x4c) # [ 116.928058] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 116.938405] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 116.948915] r9:c6fdbf60 r8:c513d000 r7:0000000c r6:b6e98000 r5:c6b1f900 r4:c0c2f408 # [ 116.957269] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 116.965108] r9:c07f5fd4 r8:c6fdbf60 r7:c2816000 r6:b6e98000 r5:c6b1f900 r4:00000000 # [ 116.972862] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 116.980006] r10:00000004 r9:00000000 r8:00000000 r7:b6e98000 r6:c6fda000 r5:c6b1f900 # [ 116.987840] r4:c6b1f900 # [ 116.990385] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 116.997528] r9:c6fda000 r8:c03002e4 r7:00000[ 117.495969] lkdtm: Performing direct entry EXEC_USERSPACE 004 r6:b6fdfe00 r5:0000000c r4:00[ 117.502340] lkdtm: attempting ok execution at c0c2fd98 00000c # [ 117.005282] [] (sys_write) from [[ 117.518409] Unhandled prefetch abort: page domain fault (0x00b) at 0xb6fb7000 ] (ret_fast_syscall+0x0/0x28) # [ 117.528304] Internal error: : b [#8] SMP ARM [ 117.012857] Exception stack(0x[ 117.535434] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb etnaviv parallel_display gpu_sched imxdrm imx_ipu_v3 c6fdbfa8 to 0xc6fdbff0) # [ 1[1 117.567153] CPU: 1 PID: 2169 Comm: cat Tainted: G D W 5.10.155-cip21 #1 7.017918] bfa0: [ 1 1 7 .577583] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 0000000c 0000000c 0[0 0 0117.586381] PC is at 0xb6fb7000 001 b6e98000 0000000c 00000000 #[ 117.592053] LR is at lkdtm_EXEC_USERSPACE+0xc4/0xd4 [ 117.026105] bfc0: [0 0 010107.599792] pc : [] lr : [] psr: 60000013 0c 0000000c b6fd[f e 01107 .06000404] sp : c68cde48 ip : c68cdd50 fp : c68cde64 00004 00000001 00[0 0 0101070. 605634] r10: 0000000f r9 : c1ad0b44 r8 : c15e8634 0020000 bee1da54 #[ [ 1 1171.722951] r7 : c68cdf60 r6 : 0000000f r5 : c5d57000 r4 : b6fb7000 [ 117.631654] r3 : 3f54eb01 r2 : 3f54eb01 r1 : ef7965e0 r0 : 0000002b .034287] bfe0: 00000004 bee1d788 [ 117.638210] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none b6f4a4cf b6ed07e6 # [[ 111177.648201] Control: 10c5387d Table: 16ed804a DAC: 00000051 039347] Code: 5f727563 [6 e 71516.656297] Process cat (pid: 2169, stack limit = 0xa27828ad) f63 00000074 aa55aa5[5 (1e117a.664390] Stack: (0xc68cde48 to 0xc68ce000) c00d) # [ 117.045451] ---[ end 117.671023] de40: 00000001 00000000 0000000f 00000024 c68cde74 c68cde68 trace cf55c2bf51e529cb ]--- # E[ 117.681982] de60: c0c2f028 c0c2fe34 c68cde9c c68cde78 c0c2f528 c0c2f008 c0c2f408 c6a55900 XEC_RODATA: missing 'call trace[: 117.693027] de80: b6e71000 0000000f c513d000 c68cdf60 c68cdec4 c68cdea0 c07f6038 c0c2f414 ': [FAIL] not ok 34 selftes[t s 117.703900] dea0: 00000000 c6a55900 b6e71000 c2816000 c68cdf60 c07f5fd4 c68cdf5c c68cdec8 lkdtm: EXEC_RODATA.sh # exit=1 [ 117.714690] dec0: c0598ab8 c07f5fe0 00000001 00000000 c059904c c13a1a78 c059904c c68cc000 # selftests: lkdtm: EXEC_USER[S P117.725649] dee0: b6e71000 00020000 00000004 0000000f 0001fff1 c68cdee0 00000001 b6e70000 ACE.sh [ 117.736435] df00: c6b1f2c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 117.745314] df20: 00000000 00000000 c13a1a78 3f54eb01 c205cf60 c6a55900 c6a55900 c68cc000 [ 117.753523] df40: b6e71000 00000000 00000000 00000004 c68cdf94 c68cdf60 c059904c c05989b8 [ 117.761732] df60: 00000000 00000000 c68cdfac 3f54eb01 0000000f 0000000f b6fb8e00 00000004 [ 117.769940] df80: c03002e4 c68cc000 c68cdfa4 c68cdf98 c05990dc c0598fe4 00000000 c68cdfa8 [ 117.778147] dfa0: c03000c0 c05990d0 0000000f 0000000f 00000001 b6e71000 0000000f 00000000 [ 117.786358] dfc0: 0000000f 0000000f b6fb8e00 00000004 00000001 00000000 00020000 bef83a54 [ 117.794566] dfe0: 00000004 bef83788 b6f234cf b6ea97e6 800e0030 00000001 00000000 00000000 [ 117.802762] Backtrace: [ 117.805273] [] (lkdtm_EXEC_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) [ 117.813822] r4:00000024 [ 117.816401] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 117.824451] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 117.832400] r9:c68cdf60 r8:c513d000 r7:0000000f r6:b6e71000 r5:c6a55900 r4:c0c2f408 [ 117.840188] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 117.848050] r9:c07f5fd4 r8:c68cdf60 r7:c2816000 r6:b6e71000 r5:c6a55900 r4:00000000 [ 117.855828] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 117.862994] r10:00000004 r9:00000000 r8:00000000 r7:b6e71000 r6:c68cc000 r5:c6a55900 [ 117.870845] r4:c6a55900 [ 117.873413] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 117.880579] r9:c68cc000 r8:c03002e4 r7:00000004 r6:b6fb8e00 r5:0000000f r4:0000000f [ 117.888360] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 117.895952] Exception stack(0xc68cdfa8 to 0xc68cdff0) [ 117.901033] dfa0: 0000000f 0000000f 00000001 b6e71000 0000000f 00000000 [ 117.909241] dfc0: 0000000f 0000000f b6fb8e00 00000004 00000001 00000000 00020000 bef83a54 [ 117.917444] dfe0: 00000004 bef83788 b6f234cf b6ea97e6 [ 117.922533] Code: bad PC value [ 117.925623] ---[ end trace cf55c2bf51e529cc ]--- # Segmentation fault # [ 117.495969] lkdtm: Performing direct entry EXEC_USERSPACE # [ 117.502340] lkdtm: attempting ok execution at c0c2fd98 # [ 117.510463] lkdtm: attempting bad execution at b6fb7000 # [ 117.518409] Unhandled prefetch abort: page domain fault (0x00b) at 0xb6fb7000 # [ 117.528304] Internal error: : b [#8] SMP ARM # [ 117.535434] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb etnaviv parallel_display gpu_sched imxdrm imx_ipu_v3 # [ 117.567153] CPU: 1 PID: 2169 Comm: cat Tainted: G D W 5.10.155-cip21 #1 # [ 117.577583] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 117.586381] PC is at 0xb6fb7000 # [ 117.592053] LR is at lkdtm_EXEC_USERSPACE+0xc4/0xd4 # [ 117.599792] pc : [] lr : [] psr: 60000013 # [ 117.608404] sp : c68cde48 ip : c68cdd50 fp : c68cde64 # [ 117.615634] r10: 0000000f r9 : c1ad0b44 r8 : c15e8634 # [ 117.622951] r7 : c68cdf60 r6 : 0000000f r5 : c5d57000 r4 : b6fb7000 # [ 117.631654] r3 : 3f54eb01 r2 : 3f54eb01 r1 : ef7965e0 r0 : 0000002b # [ 117.638210] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 117.648201] Control: 10c5387d Table: 16ed804a DAC: 00000051 # [ 117.656297] Process cat (pid: 2169, stack limit = 0xa27828ad) # [ 117.664390] Stack: (0xc68cde48 to 0xc68ce000) # [ 117.671023] de40: 00000001 00000000 0000000f 00000024 c68cde74 c68cde68 # [ 117.681982] de60: c0c2f028 c0c2fe34 c68cde9c c68cde78 c0c2f528 c0c2f008 c0c2f408 c6a55900 # [ 117.693027] de80: b6e71000 0000000f c513d000 c68cdf60 c68cdec4 c68cdea0 c07f6038 c0c2f414 # [ 117.703900] dea0: 00000000 c6a55900 b6e71000 c2816000 c68cdf60 c07f5fd4 c68cdf5c c68cdec8 # [ 117.714690] dec0: c0598ab8 c07f5fe0 00000001 00000000 c059904c c13a1a78 c059904c c68cc000 # [ 117.725649] dee0: b6e71000 00020000 00000004 0000000f 0001fff1 c68cdee0 00000001 b6e70000 # [ 117.736435] df00: c6b1f2c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 117.745314] df20: 00000000 00000000 c13a1a78 3f54eb01 c205cf60 c6a55900 c6a55900 c68cc000 # [ 117.753523] df40: b6e71000 00000000 00000000 00000004 c68cdf94 c68cdf60 c059904c c05989b8 # [ 117.761732] df60: 00000000 00000000 c68cdfac 3f54eb01 0000000f 0000000f b6fb8e00 00000004 # [ 117.769940] df80: c03002e4 c68cc000 c68cdfa4 c68cdf98 c05990dc c0598fe4 00000000 c68cdfa8 # [ 117.778147] dfa0: c03000c0 c05990d0 0000000f 0000000f 00000001 b6e71000 0000000f 00000000 # [ 117.786358] dfc0: 0000000f 0000000f b6fb8e00 00000004 00000001 00000000 00020000 bef83a54 # [ 117.794566] dfe0: 00000004 bef83788 b6f234cf b6ea97e6 800e0030 00000001 00000000 00000000 # [ 117.802762] Backtrace: # [ 117.805273] [] (lkdtm_EXEC_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 117.813822] r4:00000024 # [ 117.816401] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 117.824451] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 117.832400] r9:c68cdf60 r8:c513d000 r7:0000000f r6:b6e71000 r5:c6a55900 r4:c0c2f408 # [ 117.840188] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 117.848050] r9:c07f5fd4 r8:c68cdf60 r7:c2816000 r6:b6e71000 r5:c6a55900 r4:00000000 # [ 117.855828] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 117.862994] r10:00000004 r9:00000000 r8:00000000 r7:b6e71000 r6:c68cc000 r5:c6a55900 # [ 117.870845] r4:c6a55900 # [ 117.873413] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 117.880579] r9:c68cc000 r8:c03002e4 r7:00000004 r6:b6fb8e00 r5:0000000f r4:0000000f # [ 117.888360] [] (sys_write) from [] (ret_fast_syscall+0x0/0[ 118.414163] lkdtm: attempting ok execution at c0c2fd98 x28) # [ 117.895952] Exception [ 118.422025] lkdtm: attempting bad execution at 00000000 stack(0xc68cdfa8 to 0xc68cdff0) [ 118.430059] 8<--- cut here --- # [ 117.901033] dfa0: [ 118.435990] Unable to handle kernel NULL pointer dereference at virtual address 00000000 0000000f 0000000f 0000000[ 118.446886] pgd = 796f2743 1 b6e71000 0000000f 00000000 # [[ 118.452458] [00000000] *pgd=00000000 117.909241] dfc0: 0000000f 00[0 118.458875] Internal error: Oops: 80000005 [#9] SMP ARM 0000f b6fb8e00 00000004 00000001 [ 118.466782] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb etnaviv parallel_display gpu_sched imxdrm imx_ipu_v3 00000000 00020000 bef[8 3 a15148 498486] CPU: 1 PID: 2240 Comm: cat Tainted: G D W 5.10.155-cip21 #1 # [ 117[. 9 117184.4540]8 4d7f7] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 0: 00000004 bef83[7 8 81 1b86.f516745] PC is at 0x0 34cf b6ea97e6 # [ 117.92[2 5 3118.521365] LR is at execute_location+0xa4/0xb4 ] Code: ba[d P1C1 8v.a5l2u8e4 02] pc : [<00000000>] lr : [] psr: 600e0013 # [ 117.[9 2 151682.35]3 6-4-8-9] sp : c6cc7e38 ip : 00000027 fp : c6cc7e54 end trace [c f 5151c82.b5f45314e9] r10: 0000000a r9 : c1ad0b54 r8 : c15e8634 529cc ]--- [ # 1E1X8E.C5_5U0S4E6] r7 : c6cc7f60 r6 : 00000000 r5 : 00000000 r4 : c0c2fd98 RSPACE: m[i s1s1i8n.g5 5'8c8a4l3] r3 : d2ca746f r2 : d2ca746f r1 : ef7965e4 r0 : 0000002b trace:': [FA[I L ]1 1 8n.o5t67 107] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none k 35 selfte[s t s1:1 8l.k5d7t6m1:8] Control: 10c5387d Table: 16eb804a DAC: 00000051 EXEC_USERSPAC[E . s1h1 8#. 5e8x3717] Process cat (pid: 2240, stack limit = 0x5fbe479a) t=1 # selfte[s t s11:8 .l5k9d1t456] Stack: (0xc6cc7e38 to 0xc6cc8000) : EXEC_NULL.sh [ 118.597721] 7e20: 00000025 c5807000 [ 118.607288] 7e40: 0000000a c6cc7f60 c6cc7e64 c6cc7e58 c138c500 c138c25c c6cc7e74 c6cc7e68 [ 118.615473] 7e60: c0c2f028 c138c4ec c6cc7e9c c6cc7e78 c0c2f528 c0c2f008 c0c2f408 c6b1f540 [ 118.623661] 7e80: b6dda000 0000000a c513d000 c6cc7f60 c6cc7ec4 c6cc7ea0 c07f6038 c0c2f414 [ 118.631846] 7ea0: 00000000 c6b1f540 b6dda000 c2816000 c6cc7f60 c07f5fd4 c6cc7f5c c6cc7ec8 [ 118.640033] 7ec0: c0598ab8 c07f5fe0 00000001 00000000 c059904c c13a1a78 c059904c c6cc6000 [ 118.648220] 7ee0: b6dda000 00020000 00000004 0000000a 0001fff6 c6cc7ee0 00000001 b6dd9000 [ 118.656406] 7f00: c680db80 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 118.664591] 7f20: 00000000 00000000 c13a1a78 d2ca746f c205cf60 c6b1f540 c6b1f540 c6cc6000 [ 118.672777] 7f40: b6dda000 00000000 00000000 00000004 c6cc7f94 c6cc7f60 c059904c c05989b8 [ 118.680962] 7f60: 00000000 00000000 c6cc7fac d2ca746f 0000000a 0000000a b6f21e00 00000004 [ 118.689147] 7f80: c03002e4 c6cc6000 c6cc7fa4 c6cc7f98 c05990dc c0598fe4 00000000 c6cc7fa8 [ 118.697333] 7fa0: c03000c0 c05990d0 0000000a 0000000a 00000001 b6dda000 0000000a 00000000 [ 118.705519] 7fc0: 0000000a 0000000a b6f21e00 00000004 00000001 00000000 00020000 bee16a54 [ 118.713705] 7fe0: 00000004 bee16788 b6e8c4cf b6e127e6 800e0030 00000001 00000000 00000000 [ 118.721885] Backtrace: [ 118.724352] [] (execute_location) from [] (lkdtm_EXEC_NULL+0x20/0x24) [ 118.732538] r7:c6cc7f60 r6:0000000a r5:c5807000 r4:00000025 [ 118.738213] [] (lkdtm_EXEC_NULL) from [] (lkdtm_do_action+0x2c/0x4c) [ 118.746317] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 118.754339] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 118.762266] r9:c6cc7f60 r8:c513d000 r7:0000000a r6:b6dda000 r5:c6b1f540 r4:c0c2f408 [ 118.770025] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 118.777864] r9:c07f5fd4 r8:c6cc7f60 r7:c2816000 r6:b6dda000 r5:c6b1f540 r4:00000000 [ 118.785617] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 118.792764] r10:00000004 r9:00000000 r8:00000000 r7:b6dda000 r6:c6cc6000 r5:c6b1f540 [ 118.800599] r4:c6b1f540 [ 118.803141] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 118.810286] r9:c6cc6000 r8:c03002e4 r7:00000004 r6:b6f21e00 r5:0000000a r4:0000000a [ 118.818043] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 118.825617] Exception stack(0xc6cc7fa8 to 0xc6cc7ff0) [ 118.830677] 7fa0: 0000000a 0000000a 00000001 b6dda000 0000000a 00000000 [ 118.838862] 7fc0: 0000000a 0000000a b6f21e00 00000004 00000001 00000000 00020000 bee16a54 [ 118.847044] 7fe0: 00000004 bee16788 b6e8c4cf b6e127e6 [ 118.852109] Code: bad PC value [ 118.855239] ---[ end trace cf55c2bf51e529cd ]--- # Segmentation fault # [ 118.408380] lkdtm: Performing direct entry EXEC_NULL # [ 118.414163] lkdtm: attempting ok execution at c0c2fd98 # [ 118.422025] lkdtm: attempting bad execution at 00000000 # [ 118.430059] 8<--- cut here --- # [ 118.435990] Unable to handle kernel NULL pointer dereference at virtual address 00000000 # [ 118.446886] pgd = 796f2743 # [ 118.452458] [00000000] *pgd=00000000 # [ 118.458875] Internal error: Oops: 80000005 [#9] SMP ARM # [ 118.466782] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb etnaviv parallel_display gpu_sched imxdrm imx_ipu_v3 # [ 118.498486] CPU: 1 PID: 2240 Comm: cat Tainted: G D W 5.10.155-cip21 #1 # [ 118.508477] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 118.516745] PC is at 0x0 # [ 118.521365] LR is at execute_location+0xa4/0xb4 # [ 118.528402] pc : [<00000000>] lr : [] psr: 600e0013 # [ 118.536489] sp : c6cc7e38 ip : 00000027 fp : c6cc7e54 # [ 118.543449] r10: 0000000a r9 : c1ad0b54 r8 : c15e8634 # [ 118.550496] r7 : c6cc7f60 r6 : 00000000 r5 : 00000000 r4 : c0c2fd98 # [ 118.558843] r3 : d2ca746f r2 : d2ca746f r1 : ef7965e4 r0 : 0000002b # [ 118.567107] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 118.576148] Control: 10c5387d Table: 16eb804a DAC: 00000051 # [ 118.583717] Process cat (pid: 2240, stack limit = 0x5fbe479a) # [ 118.591456] Stack: (0xc6cc7e38 to 0xc6cc8000) # [ 118.597721] 7e20: 00000025 c5807000 # [ 118.607288] 7e40: 0000000a c6cc7f60 c6cc7e64 c6cc7e58 c138c500 c138c25c c6cc7e74 c6cc7e68 # [ 118.615473] 7e60: c0c2f028 c138c4ec c6cc7e9c c6cc7e78 c0c2f528 c0c2f008 c0c2f408 c6b1f540 # [ 118.623661] 7e80: b6dda000 0000000a c513d000 c6cc7f60 c6cc7ec4 c6cc7ea0 c07f6038 c0c2f414 # [ 118.631846] 7ea0: 00000000 c6b1f540 b6dda000 c2816000 c6cc7f60 c07f5fd4 c6cc7f5c c6cc7ec8 # [ 118.640033] 7ec0: c0598ab8 c07f5fe0 00000001 00000000 c059904c c13a1a78 c059904c c6cc6000 # [ 118.648220] 7ee0: b6dda000 00020000 00000004 0000000a 0001fff6 c6cc7ee0 00000001 b6dd9000 # [ 118.656406] 7f00: c680db80 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 118.664591] 7f20: 00000000 00000000 c13a1a78 d2ca746f c205cf60 c6b1f540 c6b1f540 c6cc6000 # [ 118.672777] 7f40: b6dda000 00000000 00000000 00000004 c6cc7f94 c6cc7f60 c059904c c05989b8 # [ 118.680962] 7f60: 00000000 00000000 c6cc7fac d2ca746f 0000000a 0000000a b6f21e00 00000004 # [ 118.689147] 7f80: c03002e4 c6cc6000 c6cc7fa4 c6cc7f98 c05990dc c0598fe4 00000000 c6cc7fa8 # [ 118.697333] 7fa0: c03000c0 c05990d0 0000000a 0000000a 00000001 b6dda000 0000000a 00000000 # [ 118.705519] 7fc0: 0000000a 0000000a b6f21e00 00000004 00000001 00000000 00020000 bee16a54 # [ 118.713705] 7fe0: 00000004 bee16788 b6e8c4cf b6e127e6 800e0030 00000001 00000000 00000000 # [ 118.721885] Backtrace: # [ 118.724352] [] (execute_location) from [] (lkdtm_EXEC_NULL+0x20/0x24) # [ 118.732538] r7:c6cc7f60 r6:0000000a r5:c5807000 r4:00000025 # [ 118.738213] [] (lkdtm_EXEC_NULL) from [] (lkdtm_do_action+0x2c/0x4c) # [ 118.746317] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 118.754339] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 118.762266] r9:c6cc7f60 r8:c513d000 r7:0000000a r6:b6dda000 r5:c6b1f540 r4:c0c2f408 # [ 118.770025] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 118.777864] r9:c07f5fd4 r8:c6cc7f60 r7:c2816000 r6:b6dda000 r5:c6b1f540 r4:00000000 # [ 118.785617] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 118.792764] r10:00000004 r[ 119.358982] lkdtm: Performing direct entry ACCESS_USERSPACE 9:00000000 r8:00000000 r7:b6dda00[ 119.365439] lkdtm: attempting bad read at b6f7e000 0 r6:c6cc6000 r5:c6b1f540 # [ 1[ 119.373019] 8<--- cut here --- 18.800599] r4:[c 6 1b119f.534708862] Unhandled fault: page domain fault (0x01b) at 0xb6f7e000 # [ 118.8[0 3 114119]. 3[8<7c202] pgd = 1bd2ad01 598fd8>] (ksys_write) [f r o1m1 9.391743] [b6f7e000] *pgd=49a4a831 ] (sys_write[+ 0 x11189.397668] Internal error: : 1b [#10] SMP ARM 0x1c) # [ 118.810286] r9:c6cc6[ 119.404450] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb etnaviv parallel_display gpu_sched imxdrm imx_ipu_v3 000 r8:c03002e4 r7:000000[0 4 1r9.436156] CPU: 3 PID: 2316 Comm: cat Tainted: G D W 5.10.155-cip21 #1 6:b6f21e00 r[5 :101090.04040603a0] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) r4:0000000a # [ 118.818[0 4 3119.454679] PC is at lkdtm_ACCESS_USERSPACE+0x114/0x16c [] (sys_write) from [[ 119.462425] LR is at __irq_work_queue_local+0x40/0x74 ] (re[t _ f1a1s9t._4s7y155] pc : [] lr : [] psr: 600e0013 scall+0x0/0[x 2 81)1 9 .#4 7[8 4 6] sp : c6c79e38 ip : c6c79d40 fp : c6c79e64 118.825617][ E1x1c9e.p4t8i5o4n64] r10: 00000011 r9 : c1ad0b60 r8 : c15e8634 stack(0xc6cc7[f a 81 1t9o. 4092x512] r7 : c6c79f60 r6 : 00000051 r5 : c6c78000 r4 : b6f7e000 6cc7ff0) # [ [1 1 81.1893.05607949] r3 : 15c77061 r2 : 15c77061 r1 : ef7c05e0 r0 : 00000026 7] 7fa0: [ 1 1 9 . 5 9472] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none 0000000a 0000[0 0 01a1 90.05010689] Control: 10c5387d Table: 1681404a DAC: 00000051 0001 b6dda000 0[0 0 0101090.5a2 6429] Process cat (pid: 2316, stack limit = 0x1e8947fa) 0000000 # [ [ 1 1181.98.358384670] Stack: (0xc6c79e38 to 0xc6c7a000) 2] 7fc0: 0000000a 00[0 0 010109a.540439] 9e20: 00000022 00000000 b6f21e00 00000004 000[0 0 010119 550874] 9e40: 00000000 15c77061 c6c79e6c 00000026 c69dd000 00000011 c6c79e74 c6c79e68 00000000 00020000 be[e 1 61a1594.561306] 9e60: c0c2f028 c0c2ff08 c6c79e9c c6c79e78 c0c2f528 c0c2f008 c0c2f408 c5aac3c0 # [ 118.847044][ 7 f1e109:. 501739] 9e80: b6e38000 00000011 c513d000 c6c79f60 c6c79ec4 c6c79ea0 c07f6038 c0c2f414 0000004 bee16788 b6e8c4[c f 1b16.581999] 9ea0: 00000000 c5aac3c0 b6e38000 c2816000 c6c79f60 c07f5fd4 c6c79f5c c6c79ec8 e127e6 # [ 118.8[5 2 110199]. 592517] 9ec0: c0598ab8 c07f5fe0 00000001 00000000 c059904c c13a1a78 c059904c c6c78000 ode: bad PC value # [[ 111198602866] 9ee0: b6e38000 00020000 00000004 00000011 0001ffef c6c79ee0 00000001 b6e37000 .855239] ---[ end [t r a1c1e9 .c613295] 9f00: c59ec8c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 55c2bf51e529cd ]---[ #1 1E9X.E23641] 9f20: 00000000 00000000 c13a1a78 15c77061 c205cf60 c5aac3c0 c5aac3c0 c6c78000 C_NULL: missing 'cal[l t1r1a9c.633988] 9f40: b6e38000 00000000 00000000 00000004 c6c79f94 c6c79f60 c059904c c05989b8 :': [FAIL] not ok 36[ s e1l1f9t644420] 9f60: 00000000 00000000 c6c79fac 15c77061 00000011 00000011 b6f7fe00 00000004 ests: lkdtm: EXEC_N[U L L1.1s9h. 54852] 9f80: c03002e4 c6c78000 c6c79fa4 c6c79f98 c05990dc c0598fe4 00000000 c6c79fa8 # exit=1 # selftes[t s :1 1l9k.d65197] 9fa0: c03000c0 c05990d0 00000011 00000011 00000001 b6e38000 00000011 00000000 tm: ACCESS_USERSPACE.[s h 1 19.675544] 9fc0: 00000011 00000011 b6f7fe00 00000004 00000001 00000000 00020000 beb4ca54 [ 119.685888] 9fe0: 00000004 beb4c788 b6eea4cf b6e707e6 800e0030 00000001 00000000 00000000 [ 119.694070] Backtrace: [ 119.696544] [] (lkdtm_ACCESS_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) [ 119.705257] r6:00000011 r5:c69dd000 r4:00000026 [ 119.709893] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 119.717917] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 119.725846] r9:c6c79f60 r8:c513d000 r7:00000011 r6:b6e38000 r5:c5aac3c0 r4:c0c2f408 [ 119.733606] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 119.741449] r9:c07f5fd4 r8:c6c79f60 r7:c2816000 r6:b6e38000 r5:c5aac3c0 r4:00000000 [ 119.749206] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 119.756355] r10:00000004 r9:00000000 r8:00000000 r7:b6e38000 r6:c6c78000 r5:c5aac3c0 [ 119.764191] r4:c5aac3c0 [ 119.766739] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 119.773888] r9:c6c78000 r8:c03002e4 r7:00000004 r6:b6f7fe00 r5:00000011 r4:00000011 [ 119.781649] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 119.789226] Exception stack(0xc6c79fa8 to 0xc6c79ff0) [ 119.794291] 9fa0: 00000011 00000011 00000001 b6e38000 00000011 00000000 [ 119.802482] 9fc0: 00000011 00000011 b6f7fe00 00000004 00000001 00000000 00020000 beb4ca54 [ 119.810668] 9fe0: 00000004 beb4c788 b6eea4cf b6e707e6 [ 119.815732] Code: e1a01004 e3010a84 e34c01ad eb1d457f (e5943000) [ 119.821840] ---[ end trace cf55c2bf51e529ce ]--- # Segmentation fault # [ 119.358982] lkdtm: Performing direct entry ACCESS_USERSPACE # [ 119.365439] lkdtm: attempting bad read at b6f7e000 # [ 119.373019] 8<--- cut here --- # [ 119.378862] Unhandled fault: page domain fault (0x01b) at 0xb6f7e000 # [ 119.387212] pgd = 1bd2ad01 # [ 119.391743] [b6f7e000] *pgd=49a4a831 # [ 119.397668] Internal error: : 1b [#10] SMP ARM # [ 119.404450] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb etnaviv parallel_display gpu_sched imxdrm imx_ipu_v3 # [ 119.436156] CPU: 3 PID: 2316 Comm: cat Tainted: G D W 5.10.155-cip21 #1 # [ 119.446320] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 119.454679] PC is at lkdtm_ACCESS_USERSPACE+0x114/0x16c # [ 119.462425] LR is at __irq_work_queue_local+0x40/0x74 # [ 119.470155] pc : [] lr : [] psr: 600e0013 # [ 119.478416] sp : c6c79e38 ip : c6c79d40 fp : c6c79e64 # [ 119.485464] r10: 00000011 r9 : c1ad0b60 r8 : c15e8634 # [ 119.492512] r7 : c6c79f60 r6 : 00000051 r5 : c6c78000 r4 : b6f7e000 # [ 119.500949] r3 : 15c77061 r2 : 15c77061 r1 : ef7c05e0 r0 : 00000026 # [ 119.509472] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 119.518689] Control: 10c5387d Table: 1681404a DAC: 00000051 # [ 119.526429] Process cat (pid: 2316, stack limit = 0x1e8947fa) # [ 119.534170] Stack: (0xc6c79e38 to 0xc6c7a000) # [ 119.540439] 9e20: 00000022 00000000 # [ 119.550874] 9e40: 00000000 15c77061 c6c79e6c 00000026 c69dd000 00000011 c6c79e74 c6c79e68 # [ 119.561306] 9e60: c0c2f028 c0c2ff08 c6c79e9c c6c79e78 c0c2f528 c0c2f008 c0c2f408 c5aac3c0 # [ 119.571739] 9e80: b6e38000 00000011 c513d000 c6c79f60 c6c79ec4 c6c79ea0 c07f6038 c0c2f414 # [ 119.581999] 9ea0: 00000000 c5aac3c0 b6e38000 c2816000 c6c79f60 c07f5fd4 c6c79f5c c6c79ec8 # [ 119.592517] 9ec0: c0598ab8 c07f5fe0 00000001 00000000 c059904c c13a1a78 c059904c c6c78000 # [ 119.602866] 9ee0: b6e38000 00020000 00000004 00000011 0001ffef c6c79ee0 00000001 b6e37000 # [ 119.613295] 9f00: c59ec8c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 119.623641] 9f20: 00000000 00000000 c13a1a78 15c77061 c205cf60 c5aac3c0 c5aac3c0 c6c78000 # [ 119.633988] 9f40: b6e38000 00000000 00000000 00000004 c6c79f94 c6c79f60 c059904c c05989b8 # [ 119.644420] 9f60: 00000000 00000000 c6c79fac 15c77061 00000011 00000011 b6f7fe00 00000004 # [ 119.654852] 9f80: c03002e4 c6c78000 c6c79fa4 c6c79f98 c05990dc c0598fe4 00000000 c6c79fa8 # [ 119.665197] 9fa0: c03000c0 c05990d0 00000011 00000011 00000001 b6e38000 00000011 00000000 # [ 119.675544] 9fc0: 00000011 00000011 b6f7fe00 00000004 00000001 00000000 00020000 beb4ca54 # [ 119.685888] 9fe0: 00000004 beb4c788 b6eea4cf b6e707e6 800e0030 00000001 00000000 00000000 # [ 119.694070] Backtrace: # [ 119.696544] [] (lkdtm_ACCESS_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 119.705257] r6:00000011 r5:c69dd000 r4:00000026 # [ 119.709893] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 119.717917] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 119.725846] r9:c6c79f60 r8:c513d000 r7:00000011 r6:b6e38000 r5:c5aac3c0 r4:c0c2f408 # [ 119.733606] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 119.741449] r9:c07f5fd4 r8:c6c79f60 r7:c2816000 r6:b6e38000 r5:c5aac3c0 r4:00000000 # [ 119.749206] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 119.756355] r10:00000004 r9:00000000 r8:00000000 r7:b6e38000 r6:c6c78000 r5:c5aac3c0 # [ 119.764191] r4:c5aac3c0 # [ 119.766739] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 119.773888] r9:c6c78000 r8:c03002e4 r7:00000004 r6:b6f7fe00 r5:00000011 [ 120.287069] lkdtm: Performing direct entry ACCESS_NULL r4:00000011 # [ 119.781649] [] (sys_write) from [] (ret_fast_syscall+0x0/0x2[ 120.306802] Unable to handle kernel NULL pointer dereference at virtual address 00000000 8) # [ 119.789226] Exception st[ 120.317651] pgd = c0e2eb11 ack(0xc6c79fa8 to 0xc6c79ff0) # [ 120.323225] [00000000] *pgd=00000000 [ 119.794291] 9fa0: [ 1 2 0.329627] Internal error: Oops: 5 [#11] SMP ARM 00000011 00000011 0000[ 120.336669] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb etnaviv parallel_display gpu_sched imxdrm imx_ipu_v3 0001 b6e38000 00000[0 1 11 200.0368374] CPU: 1 PID: 2391 Comm: cat Tainted: G D W 5.10.155-cip21 #1 00000 # [[ 112109..3870822488] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 2] 9fc0: 00000011 00000011[ b 6120.386554] PC is at lkdtm_ACCESS_NULL+0x28/0x68 7fe00 00000004[ 0 0102000.030913680] LR is at 0x0 00000000 00[0 2 0102000. 3b98e2b07] pc : [] lr : [<00000000>] psr: 600e0013 ca54 # [[ 111290..84100662698] sp : c581de50 ip : 00000027 fp : c581de64 ] 9fe0: 0[0 0 0102000.44 1b3e2b54] r10: 0000000c r9 : c1ad0b74 r8 : c15e8634 c788 b6eea4[c f 1b260e.7402072e14] r7 : c581df60 r6 : 0000000c r5 : c5807000 r4 : 00000000 # [ 119.[8 1 5172302.]4 2C8o5d3] r3 : 8ac95c83 r2 : 8ac95c83 r1 : ef7965e4 r0 : 00000026 e: e1a0100[4 e132001.04a38649 12] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none 34c01ad eb1[d 4 5172f0 .4(4e558967] Control: 10c5387d Table: 16e9004a DAC: 00000051 3000) # [ 1[1 9 .182201.844503436] Process cat (pid: 2391, stack limit = 0x5d3b5b9e) ---[ end tra[c e 1c2f05.54c621b76] Stack: (0xc581de50 to 0xc581e000) f51e529ce ]--- [# A1C2C0E.S4S67443] de40: 00000027 c5807000 c581de74 c581de68 USERSPACE: missin[g 1'2c0a.l4l77702] de60: c0c2f028 c138c510 c581de9c c581de78 c0c2f528 c0c2f008 c0c2f408 c471e500 trace:': [FAIL] [n o t1 2o0k. 437961] de80: b6dcf000 0000000c c513d000 c581df60 c581dec4 c581dea0 c07f6038 c0c2f414 7 selftests: lk[d t m1:2 0A.C4C9E219] dea0: 00000000 c471e500 b6dcf000 c2816000 c581df60 c07f5fd4 c581df5c c581dec8 SS_USERSPACE.sh #[ e x1i2t0=.15 8391] dec0: c0598ab8 c07f5fe0 00000001 00000000 c059904c c13a1a78 c059904c c581c000 # selftests: [l k 1d2t0m.:5 1A8C47] dee0: b6dcf000 00020000 00000004 0000000c 0001fff4 c581dee0 00000001 b6dce000 CESS_NULL.sh[ 120.528732] df00: c5aad040 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 120.538124] df20: 00000000 00000000 c13a1a78 8ac95c83 c205cf60 c471e500 c471e500 c581c000 [ 120.546310] df40: b6dcf000 00000000 00000000 00000004 c581df94 c581df60 c059904c c05989b8 [ 120.554497] df60: 00000000 00000000 c581dfac 8ac95c83 0000000c 0000000c b6f16e00 00000004 [ 120.562683] df80: c03002e4 c581c000 c581dfa4 c581df98 c05990dc c0598fe4 00000000 c581dfa8 [ 120.570869] dfa0: c03000c0 c05990d0 0000000c 0000000c 00000001 b6dcf000 0000000c 00000000 [ 120.579053] dfc0: 0000000c 0000000c b6f16e00 00000004 00000001 00000000 00020000 be9f6a54 [ 120.587241] dfe0: 00000004 be9f6788 b6e814cf b6e077e6 800e0030 00000001 00000000 00000000 [ 120.595421] Backtrace: [ 120.597893] [] (lkdtm_ACCESS_NULL) from [] (lkdtm_do_action+0x2c/0x4c) [ 120.606163] r5:c5807000 r4:00000027 [ 120.609752] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 120.617773] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 120.625698] r9:c581df60 r8:c513d000 r7:0000000c r6:b6dcf000 r5:c471e500 r4:c0c2f408 [ 120.633455] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 120.641295] r9:c07f5fd4 r8:c581df60 r7:c2816000 r6:b6dcf000 r5:c471e500 r4:00000000 [ 120.649048] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 120.656191] r10:00000004 r9:00000000 r8:00000000 r7:b6dcf000 r6:c581c000 r5:c471e500 [ 120.664024] r4:c471e500 [ 120.666567] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 120.673711] r9:c581c000 r8:c03002e4 r7:00000004 r6:b6f16e00 r5:0000000c r4:0000000c [ 120.681467] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 120.689041] Exception stack(0xc581dfa8 to 0xc581dff0) [ 120.694101] dfa0: 0000000c 0000000c 00000001 b6dcf000 0000000c 00000000 [ 120.702289] dfc0: 0000000c 0000000c b6f16e00 00000004 00000001 00000000 00020000 be9f6a54 [ 120.710474] dfe0: 00000004 be9f6788 b6e814cf b6e077e6 [ 120.715536] Code: e3010a84 e34c01ad e1a01004 ebffd438 (e5945000) [ 120.721715] ---[ end trace cf55c2bf51e529cf ]--- # Segmentation fault # [ 120.287069] lkdtm: Performing direct entry ACCESS_NULL # [ 120.293296] lkdtm: attempting bad read at 00000000 # [ 120.300908] 8<--- cut here --- # [ 120.306802] Unable to handle kernel NULL pointer dereference at virtual address 00000000 # [ 120.317651] pgd = c0e2eb11 # [ 120.323225] [00000000] *pgd=00000000 # [ 120.329627] Internal error: Oops: 5 [#11] SMP ARM # [ 120.336669] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb etnaviv parallel_display gpu_sched imxdrm imx_ipu_v3 # [ 120.368374] CPU: 1 PID: 2391 Comm: cat Tainted: G D W 5.10.155-cip21 #1 # [ 120.378280] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 120.386554] PC is at lkdtm_ACCESS_NULL+0x28/0x68 # [ 120.393680] LR is at 0x0 # [ 120.398207] pc : [] lr : [<00000000>] psr: 600e0013 # [ 120.406295] sp : c581de50 ip : 00000027 fp : c581de64 # [ 120.413254] r10: 0000000c r9 : c1ad0b74 r8 : c15e8634 # [ 120.420214] r7 : c581df60 r6 : 0000000c r5 : c5807000 r4 : 00000000 # [ 120.428563] r3 : 8ac95c83 r2 : 8ac95c83 r1 : ef7965e4 r0 : 00000026 # [ 120.436912] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 120.445867] Control: 10c5387d Table: 16e9004a DAC: 00000051 # [ 120.453436] Process cat (pid: 2391, stack limit = 0x5d3b5b9e) # [ 120.461176] Stack: (0xc581de50 to 0xc581e000) # [ 120.467443] de40: 00000027 c5807000 c581de74 c581de68 # [ 120.477702] de60: c0c2f028 c138c510 c581de9c c581de78 c0c2f528 c0c2f008 c0c2f408 c471e500 # [ 120.487961] de80: b6dcf000 0000000c c513d000 c581df60 c581dec4 c581dea0 c07f6038 c0c2f414 # [ 120.498219] dea0: 00000000 c471e500 b6dcf000 c2816000 c581df60 c07f5fd4 c581df5c c581dec8 # [ 120.508391] dec0: c0598ab8 c07f5fe0 00000001 00000000 c059904c c13a1a78 c059904c c581c000 # [ 120.518647] dee0: b6dcf000 00020000 00000004 0000000c 0001fff4 c581dee0 00000001 b6dce000 # [ 120.528732] df00: c5aad040 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 120.538124] df20: 00000000 00000000 c13a1a78 8ac95c83 c205cf60 c471e500 c471e500 c581c000 # [ 120.546310] df40: b6dcf000 00000000 00000000 00000004 c581df94 c581df60 c059904c c05989b8 # [ 120.554497] df60: 00000000 00000000 c581dfac 8ac95c83 0000000c 0000000c b6f16e00 00000004 # [ 120.562683] df80: c03002e4 c581c000 c581dfa4 c581df98 c05990dc c0598fe4 00000000 c581dfa8 # [ 120.570869] dfa0: c03000c0 c05990d0 0000000c 0000000c 00000001 b6dcf000 0000000c 00000000 # [ 120.579053] dfc0: 0000000c 0000000c b6f16e00 00000004 00000001 00000000 00020000 be9f6a54 # [ 120.587241] dfe0: 00000004 be9f6788 b6e814cf b6e077e6 800e0030 00000001 00000000 00000000 # [ 120.595421] Backtrace: # [ 120.597893] [] (lkdtm_ACCESS_NULL) from [] (lkdtm_do_action+0x2c/0x4c) # [ 120.606163] r5:c5807000 r4:00000027 # [ 120.609752] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 120.617773] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 120.625698] r9:c581df60 r8:c513d000 r7:0000000c r6:b6dcf000 r5:c471e500 r4:c0c2f408 # [ 120.633455] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 120.641295] r9:c07f5fd4 r8:c581df60 r7:c2816000 r6:b6dcf000 r5:c471e500 r4:00000000 # [ 120.649048] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 120.656191] r10:00000004 r9:00000000 r8:00000000 r7:b6dcf000 r6:c581c000 r5:c471e500 # [ 120.664024] r4:c471e500 # [ 120.666567] [] (ksys_write) from [] (sys_writ[ 121.173452] lkdtm: Performing direct entry WRITE_RO e+0x18/0x1c) # [ [ 1 2102.16.7178947] lkdtm: attempting bad rodata write at c15e88cc 711] r9:c581c000 r8:c03002e4 r7:[ 121.186739] 8<--- cut here --- 00000004 r6:[b 6 f11261e.01092 5r9] Unable to handle kernel paging request at virtual address c15e88cc 5:0000000c r4:00[0 0 010201c. 2 01576] pgd = a707dbcd [ 120.681467] [] [( s121.206364] [c15e88cc] *pgd=1141941e(bad) ys_write) from [.212984] Internal error: Oops: 80d [#12] SMP ARM (ret_fast_syscall+0x0/0x28) # [[ 121.220116] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb etnaviv parallel_display gpu_sched imxdrm imx_ipu_v3 120.689041] Exception s[t a c1k1.251822] CPU: 3 PID: 2465 Comm: cat Tainted: G D W 5.10.155-cip21 #1 (0xc581dfa8 to [0 x c152811.d2f6f988] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 0) # [ 120.694101] dfa0: [ 121.270521] PC is at lkdtm_WRITE_RO+0x44/0x50 0000000c 00000[0 0 c21.277568] LR is at __irq_work_queue_local+0x40/0x74 00000001 b6dcf[0 0 01 2010.02085126] pc : [] lr : [] psr: 600e0013 00c 00000000[ #1 2[1 . 219230387] sp : c5f8fe50 ip : c5f8fd58 fp : c5f8fe64 702289] dfc[0 : 102010.03000005c1] r10: 00000009 r9 : c1ad0b80 r8 : c15e8634 0000000c b6f1[6 e 01021 .030007070] r7 : c5f8ff60 r6 : 00000009 r5 : c69dd000 r4 : c15e88cc 0004 00000001[ 0 0102010.030106 05] r3 : 0198b861 r2 : aa55aa55 r1 : ef7c05e0 r0 : c1ad1984 00020000 be9f6a54 [# [1 2 11.224443] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none 0.710474] dfe0[: 0102010.030303746] Control: 10c5387d Table: 16fb804a DAC: 00000051 be9f6788 b6e814[c f 1 2b16.e3047488] Process cat (pid: 2465, stack limit = 0xd5cb37ee) 7e6 # [ 120.[7 1 5152316.]3 4C9228] Stack: (0xc5f8fe50 to 0xc5f90000) de: e3010a84 e34c01[a d 1e211a.055584] fe40: 00000028 c69dd000 c5f8fe74 c5f8fe68 1004 ebffd438 (e59450[0 0 )1 2 1 365932] fe60: c0c2f028 c138c310 c5f8fe9c c5f8fe78 c0c2f528 c0c2f008 c0c2f408 c47cb7c0 # [ 120.721715] --[- [ 1e2n1d. 76363] fe80: b6e49000 00000009 c513d000 c5f8ff60 c5f8fec4 c5f8fea0 c07f6038 c0c2f414 trace cf55c2bf51e52[9 c f1 2]1-.-86710] fea0: 00000000 c47cb7c0 b6e49000 c2816000 c5f8ff60 c07f5fd4 c5f8ff5c c5f8fec8 - # ACCESS_NULL: mi[s s i1n2g1 .397057] fec0: c0598ab8 c07f5fe0 00000001 00000000 c059904c c13a1a78 c059904c c5f8e000 call trace:': [FAIL] [ n o1t2 1o407489] fee0: b6e49000 00020000 00000004 00000009 0001fff7 c5f8fee0 00000001 b6e48000 k 38 selftests: lkd[t m :1 2A1C.C17920] ff00: c5b1adc0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ESS_NULL.sh # exit=[1 1#2 1s.e28266] ff20: 00000000 00000000 c13a1a78 ccb76c36 c205cf60 c47cb7c0 c47cb7c0 c5f8e000 lftests: lkdtm: WRI[T E _1R2O1..s38611] ff40: b6e49000 00000000 00000000 00000004 c5f8ff94 c5f8ff60 c059904c c05989b8 h [ 121.448956] ff60: 00000000 00000000 c5f8ffac ccb76c36 00000009 00000009 b6f90e00 00000004 [ 121.457394] ff80: c03002e4 c5f8e000 c5f8ffa4 c5f8ff98 c05990dc c0598fe4 00000000 c5f8ffa8 [ 121.465583] ffa0: c03000c0 c05990d0 00000009 00000009 00000001 b6e49000 00000009 00000000 [ 121.473775] ffc0: 00000009 00000009 b6f90e00 00000004 00000001 00000000 00020000 bee6ca54 [ 121.481964] ffe0: 00000004 bee6c788 b6efb4cf b6e817e6 800e0030 00000001 00000000 00000000 [ 121.490147] Backtrace: [ 121.492624] [] (lkdtm_WRITE_RO) from [] (lkdtm_do_action+0x2c/0x4c) [ 121.500639] r5:c69dd000 r4:00000028 [ 121.504233] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 121.512256] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 121.520186] r9:c5f8ff60 r8:c513d000 r7:00000009 r6:b6e49000 r5:c47cb7c0 r4:c0c2f408 [ 121.527950] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 121.535792] r9:c07f5fd4 r8:c5f8ff60 r7:c2816000 r6:b6e49000 r5:c47cb7c0 r4:00000000 [ 121.543549] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 121.550697] r10:00000004 r9:00000000 r8:00000000 r7:b6e49000 r6:c5f8e000 r5:c47cb7c0 [ 121.558534] r4:c47cb7c0 [ 121.561084] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 121.568232] r9:c5f8e000 r8:c03002e4 r7:00000004 r6:b6f90e00 r5:00000009 r4:00000009 [ 121.575993] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 121.583571] Exception stack(0xc5f8ffa8 to 0xc5f8fff0) [ 121.588635] ffa0: 00000009 00000009 00000001 b6e49000 00000009 00000000 [ 121.596826] ffc0: 00000009 00000009 b6f90e00 00000004 00000001 00000000 00020000 bee6ca54 [ 121.605011] ffe0: 00000004 bee6c788 b6efb4cf b6e817e6 [ 121.610076] Code: e34a3bcd e3010984 e34c01ad e0233002 (e5843000) [ 121.616184] ---[ end trace cf55c2bf51e529d0 ]--- # Segmentation fault # [ 121.173452] lkdtm: Performing direct entry WRITE_RO # [ 121.178947] lkdtm: attempting bad rodata write at c15e88cc # [ 121.186739] 8<--- cut here --- # [ 121.192529] Unable to handle kernel paging request at virtual address c15e88cc # [ 121.201576] pgd = a707dbcd # [ 121.206364] [c15e88cc] *pgd=1141941e(bad) # [ 121.212984] Internal error: Oops: 80d [#12] SMP ARM # [ 121.220116] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb etnaviv parallel_display gpu_sched imxdrm imx_ipu_v3 # [ 121.251822] CPU: 3 PID: 2465 Comm: cat Tainted: G D W 5.10.155-cip21 #1 # [ 121.261988] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 121.270521] PC is at lkdtm_WRITE_RO+0x44/0x50 # [ 121.277568] LR is at __irq_work_queue_local+0x40/0x74 # [ 121.285126] pc : [] lr : [] psr: 600e0013 # [ 121.293387] sp : c5f8fe50 ip : c5f8fd58 fp : c5f8fe64 # [ 121.300521] r10: 00000009 r9 : c1ad0b80 r8 : c15e8634 # [ 121.307570] r7 : c5f8ff60 r6 : 00000009 r5 : c69dd000 r4 : c15e88cc # [ 121.316005] r3 : 0198b861 r2 : aa55aa55 r1 : ef7c05e0 r0 : c1ad1984 # [ 121.324443] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 121.333746] Control: 10c5387d Table: 16fb804a DAC: 00000051 # [ 121.341488] Process cat (pid: 2465, stack limit = 0xd5cb37ee) # [ 121.349228] Stack: (0xc5f8fe50 to 0xc5f90000) # [ 121.355584] fe40: 00000028 c69dd000 c5f8fe74 c5f8fe68 # [ 121.365932] fe60: c0c2f028 c138c310 c5f8fe9c c5f8fe78 c0c2f528 c0c2f008 c0c2f408 c47cb7c0 # [ 121.376363] fe80: b6e49000 00000009 c513d000 c5f8ff60 c5f8fec4 c5f8fea0 c07f6038 c0c2f414 # [ 121.386710] fea0: 00000000 c47cb7c0 b6e49000 c2816000 c5f8ff60 c07f5fd4 c5f8ff5c c5f8fec8 # [ 121.397057] fec0: c0598ab8 c07f5fe0 00000001 00000000 c059904c c13a1a78 c059904c c5f8e000 # [ 121.407489] fee0: b6e49000 00020000 00000004 00000009 0001fff7 c5f8fee0 00000001 b6e48000 # [ 121.417920] ff00: c5b1adc0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 121.428266] ff20: 00000000 00000000 c13a1a78 ccb76c36 c205cf60 c47cb7c0 c47cb7c0 c5f8e000 # [ 121.438611] ff40: b6e49000 00000000 00000000 00000004 c5f8ff94 c5f8ff60 c059904c c05989b8 # [ 121.448956] ff60: 00000000 00000000 c5f8ffac ccb76c36 00000009 00000009 b6f90e00 00000004 # [ 121.457394] ff80: c03002e4 c5f8e000 c5f8ffa4 c5f8ff98 c05990dc c0598fe4 00000000 c5f8ffa8 # [ 121.465583] ffa0: c03000c0 c05990d0 00000009 00000009 00000001 b6e49000 00000009 00000000 # [ 121.473775] ffc0: 00000009 00000009 b6f90e00 00000004 00000001 00000000 00020000 bee6ca54 # [ 121.481964] ffe0: 00000004 bee6c788 b6efb4cf b6e817e6 800e0030 00000001 00000000 00000000 # [ 121.490147] Backtrace: # [ 121.492624] [] (lkdtm_WRITE_RO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 121.500639] r5:c69dd000 r4:00000028 # [ 121.504233] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 121.512256] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 121.520186] r9:c5f8ff60 r8:c513d000 r7:00000009 r6:b6e49000 r5:c47cb7c0 r4:c0c2f408 # [ 121.527950] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 121.535792] r9:c07f5fd4 r8:c5f8ff60 r7:c2816000 r6:b6e49000 r5:c47cb7c0 r4:00000000 # [ 121.543549] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 121.550697] r10:00000004 r9:00000000 r8:00000000 r7:b6e49000 r6:c5f8e000 r5:c47cb7c0 # [ 121.558534] r4:c47cb7c0 # [ 121.561084] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 121.568232] r9:c5f8e000 r8:c03002e4 r7:00000004 r6:b6f90e00 r5:00000009 r4:00000009 # [ 121.575993] [] (sys[ 122.083619] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT _write) from [2]2 .091305] lkdtm: attempting bad ro_after_init write at c1b83c60 ret_fast_syscall+0x0/0x28) # [ [ 122.099761] 8<--- cut here --- 121.583571] Exception stack(0xc5[ 122.105584] Unable to handle kernel paging request at virtual address c1b83c60 8ffa8 to 0xc5f8fff0) # [ [1 2 122.115583] pgd = 8dfe0ab2 .588635] ffa0: [ 122.120807] [c1b83c60] *pgd=11a1941e(bad) 00000009 00000009 00000001 b6e490[ 122.127689] Internal error: Oops: 80d [#13] SMP ARM 00 00000009 00000000 # [ 121.59[ 122.135426] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb etnaviv parallel_display gpu_sched imxdrm imx_ipu_v3 6826] ffc0: 00000009 00000009 b6f[ 122.167132] CPU: 3 PID: 2539 Comm: cat Tainted: G D W 5.10.155-cip21 #1 90e00 00000004 00000001 0000[0 0 122.177728] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 0 00020000 bee6ca54 # [ 121.605[ 122.186877] PC is at lkdtm_WRITE_RO_AFTER_INIT+0x64/0x70 011] ffe0: 00000004 bee6c788 b6ef[ 122.195053] LR is at __irq_work_queue_local+0x40/0x74 b4cf b6e817e6 # [ 121.6100[7 6 122.202950] pc : [] lr : [] psr: 600e0013 Code: e34a3bcd e3010984 [e 3 41c2.211817] sp : c6979e50 ip : c6979d58 fp : c6979e64 01ad e0233002 (e5843000)[ 1#22.219469] r10: 00000014 r9 : c1ad0b8c r8 : c15e8634 [ 121.616184] ---[ end tra[c e 22.227124] r7 : c6979f60 r6 : 00000014 r5 : c6aad000 r4 : c1b83c60 cf55c2bf51e529d0 ]--- # WR[ I T122.236167] r3 : fe67479e r2 : 55aa55aa r1 : ef7c05e0 r0 : c1ad1984 _RO: missing 'call trace:': [FA[I 122.245212] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none L] not ok 39 selftests: lkdtm[: 122.255037] Control: 10c5387d Table: 15d9404a DAC: 00000051 WRITE_RO.sh # exit=1 # selftes[t 122.263471] Process cat (pid: 2539, stack limit = 0xd84b0e03) s: lkdtm: WRITE_RO_AFTER_INIT[. s122.271906] Stack: (0xc6979e50 to 0xc697a000) h [ 122.278873] 9e40: 00000029 c6aad000 c6979e74 c6979e68 [ 122.287310] 9e60: c0c2f028 c138c360 c6979e9c c6979e78 c0c2f528 c0c2f008 c0c2f408 c47cb040 [ 122.295519] 9e80: b6dc1000 00000014 c513d000 c6979f60 c6979ec4 c6979ea0 c07f6038 c0c2f414 [ 122.303728] 9ea0: 00000000 c47cb040 b6dc1000 c2816000 c6979f60 c07f5fd4 c6979f5c c6979ec8 [ 122.311936] 9ec0: c0598ab8 c07f5fe0 00000001 00000000 c059904c c13a1a78 c059904c c6978000 [ 122.320146] 9ee0: b6dc1000 00020000 00000004 00000014 0001ffec c6979ee0 00000001 b6dc0000 [ 122.328353] 9f00: c5a3d400 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 122.336561] 9f20: 00000000 00000000 c13a1a78 ff404746 c205cf60 c47cb040 c47cb040 c6978000 [ 122.344768] 9f40: b6dc1000 00000000 00000000 00000004 c6979f94 c6979f60 c059904c c05989b8 [ 122.352976] 9f60: 00000000 00000000 c6979fac ff404746 00000014 00000014 b6f08e00 00000004 [ 122.361183] 9f80: c03002e4 c6978000 c6979fa4 c6979f98 c05990dc c0598fe4 00000000 c6979fa8 [ 122.369392] 9fa0: c03000c0 c05990d0 00000014 00000014 00000001 b6dc1000 00000014 00000000 [ 122.377600] 9fc0: 00000014 00000014 b6f08e00 00000004 00000001 00000000 00020000 be928a54 [ 122.385810] 9fe0: 00000004 be928788 b6e734cf b6df97e6 800e0030 00000001 00000000 00000000 [ 122.394005] Backtrace: [ 122.396519] [] (lkdtm_WRITE_RO_AFTER_INIT) from [] (lkdtm_do_action+0x2c/0x4c) [ 122.405506] r5:c6aad000 r4:00000029 [ 122.409121] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 122.417171] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 122.425121] r9:c6979f60 r8:c513d000 r7:00000014 r6:b6dc1000 r5:c47cb040 r4:c0c2f408 [ 122.432908] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 122.440771] r9:c07f5fd4 r8:c6979f60 r7:c2816000 r6:b6dc1000 r5:c47cb040 r4:00000000 [ 122.448549] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 122.455720] r10:00000004 r9:00000000 r8:00000000 r7:b6dc1000 r6:c6978000 r5:c47cb040 [ 122.463570] r4:c47cb040 [ 122.466139] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 122.473305] r9:c6978000 r8:c03002e4 r7:00000004 r6:b6f08e00 r5:00000014 r4:00000014 [ 122.481088] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 122.488681] Exception stack(0xc6979fa8 to 0xc6979ff0) [ 122.493764] 9fa0: 00000014 00000014 00000001 b6dc1000 00000014 00000000 [ 122.501973] 9fc0: 00000014 00000014 b6f08e00 00000004 00000001 00000000 00020000 be928a54 [ 122.510178] 9fe0: 00000004 be928788 b6e734cf b6df97e6 [ 122.515264] Code: e34a3bcd e3010984 e34c01ad e0233002 (e5843000) [ 122.521391] ---[ end trace cf55c2bf51e529d1 ]--- # Segmentation fault # [ 122.083619] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT # [ 122.091305] lkdtm: attempting bad ro_after_init write at c1b83c60 # [ 122.099761] 8<--- cut here --- # [ 122.105584] Unable to handle kernel paging request at virtual address c1b83c60 # [ 122.115583] pgd = 8dfe0ab2 # [ 122.120807] [c1b83c60] *pgd=11a1941e(bad) # [ 122.127689] Internal error: Oops: 80d [#13] SMP ARM # [ 122.135426] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb etnaviv parallel_display gpu_sched imxdrm imx_ipu_v3 # [ 122.167132] CPU: 3 PID: 2539 Comm: cat Tainted: G D W 5.10.155-cip21 #1 # [ 122.177728] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 122.186877] PC is at lkdtm_WRITE_RO_AFTER_INIT+0x64/0x70 # [ 122.195053] LR is at __irq_work_queue_local+0x40/0x74 # [ 122.202950] pc : [] lr : [] psr: 600e0013 # [ 122.211817] sp : c6979e50 ip : c6979d58 fp : c6979e64 # [ 122.219469] r10: 00000014 r9 : c1ad0b8c r8 : c15e8634 # [ 122.227124] r7 : c6979f60 r6 : 00000014 r5 : c6aad000 r4 : c1b83c60 # [ 122.236167] r3 : fe67479e r2 : 55aa55aa r1 : ef7c05e0 r0 : c1ad1984 # [ 122.245212] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 122.255037] Control: 10c5387d Table: 15d9404a DAC: 00000051 # [ 122.263471] Process cat (pid: 2539, stack limit = 0xd84b0e03) # [ 122.271906] Stack: (0xc6979e50 to 0xc697a000) # [ 122.278873] 9e40: 00000029 c6aad000 c6979e74 c6979e68 # [ 122.287310] 9e60: c0c2f028 c138c360 c6979e9c c6979e78 c0c2f528 c0c2f008 c0c2f408 c47cb040 # [ 122.295519] 9e80: b6dc1000 00000014 c513d000 c6979f60 c6979ec4 c6979ea0 c07f6038 c0c2f414 # [ 122.303728] 9ea0: 00000000 c47cb040 b6dc1000 c2816000 c6979f60 c07f5fd4 c6979f5c c6979ec8 # [ 122.311936] 9ec0: c0598ab8 c07f5fe0 00000001 00000000 c059904c c13a1a78 c059904c c6978000 # [ 122.320146] 9ee0: b6dc1000 00020000 00000004 00000014 0001ffec c6979ee0 00000001 b6dc0000 # [ 122.328353] 9f00: c5a3d400 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 122.336561] 9f20: 00000000 00000000 c13a1a78 ff404746 c205cf60 c47cb040 c47cb040 c6978000 # [ 122.344768] 9f40: b6dc1000 00000000 00000000 00000004 c6979f94 c6979f60 c059904c c05989b8 # [ 122.352976] 9f60: 00000000 00000000 c6979fac ff404746 00000014 00000014 b6f08e00 00000004 # [ 122.361183] 9f80: c03002e4 c6978000 c6979fa4 c6979f98 c05990dc c0598fe4 00000000 c6979fa8 # [ 122.369392] 9fa0: c03000c0 c05990d0 00000014 00000014 00000001 b6dc1000 00000014 00000000 # [ 122.377600] 9fc0: 00000014 00000014 b6f08e00 00000004 00000001 00000000 00020000 be928a54 # [ 122.385810] 9fe0: 00000004 be928788 b6e734cf b6df97e6 800e0030 00000001 00000000 00000000 # [ 122.394005] Backtrace: # [ 122.396519] [] (lkdtm_WRITE_RO_AFTER_INIT) from [] (lkdtm_do_action+0x2c/0x4c) # [ 122.405506] r5:c6aad000 r4:00000029 # [ 122.409121] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 122.417171] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 122.425121] r9:c6979f60 r8:c513d000 r7:00000014 r6:b6dc1000 r5:c47cb040 r4:c0c2f408 # [ 122.432908] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 122.440771] r9:c07f5fd4 r8:c6979f60 r7:c2816000 r6:b6dc1000 r5:c47cb040 r4:00000000 # [ 122.448549] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 122.455720] r10:00000004 r9:00000000 r8:00000000 r7:b6dc1000 r6:c6978000 r5:c47cb040 # [ 122.463570] r4:c47cb040 # [ 122.466139] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 122.473305] r9:c6978000 r8:c03002e4 r7:00000004 r6:b6f08e00 r5:0000[ 122.986380] lkdtm: Performing direct entry WRITE_KERN 0014 r4:00000014 # [ 122.481088[ 122.992734] lkdtm: attempting bad 7718036 byte write at c138c22c ] [] (sys_wri[t e )1 2f.001535] 8<--- cut here --- rom [] [( r e1t2_3f.a0s6929] Unable to handle kernel paging request at virtual address c138c22c t_syscall+0x0/0x28[) 1#2 3[. 016244] pgd = fd5c9f94 122.488681] Exception stack(0xc69[ 123.021131] [c138c22c] *pgd=1121940e(bad) 79fa8 to 0xc6979ff0) # [ 12[2 .123.028019] Internal error: Oops: 80d [#14] SMP ARM 493764] 9fa0: 0[ 123.035502] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb etnaviv parallel_display gpu_sched imxdrm imx_ipu_v3 0000014 00000014 00000001 b6dc100[ 123.067219] CPU: 3 PID: 2613 Comm: cat Tainted: G D W 5.10.155-cip21 #1 0 00000014 00000000 [# [1 2 31077820] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 22.501973] 9fc0: 00000014 0000001[ 123.086621] PC is at memcpy+0x50/0x330 4 b6f08e00 00000004 00000001 0[0 123.093236] LR is at 0xe92dd830 00000 00020000 be928a54 [ #1 2[.099068] pc : [] lr : [] psr: 200e0013 122.510178] 9fe0: [0 0 0102030.107680] sp : c6a51e2c ip : e1a0c00d fp : c6a51e64 4 be928788 b6e734c[f b162d3f.9115166] r10: 0000000b r9 : c1ad0ba0 r8 : e89da800 e6 # [ 122.515264][ C o1d2e3:.122569] r7 : e8bd4000 r6 : e52de004 r5 : e24cb004 r4 : e92dd800 e34a3bcd e3010984 e[3 4 c10213a.d31356] r3 : e1a0c00d r2 : 0075c3f4 r1 : c0c2fdb8 r0 : c138c22c e0233002 (e5843000) [ # 1[2 3.140060] Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none 122.521391] ---[ end t[r a1c2e3 149544] Control: 10c5387d Table: 1693c04a DAC: 00000051 cf55c2bf51e529d1 ]--- # W[R I 1T3.157553] Process cat (pid: 2613, stack limit = 0x598285bf) E_RO_AFTER_INIT: missin[g '1c2a.165735] Stack: (0xc6a51e2c to 0xc6a52000) ll trace:': [FAIL] not ok 40 sel[ 123.172450] 1e20: c0c2fd98 0075c494 c6a51f60 c15e8634 c138c22c ftests: lkdtm: WRITE_RO_AFTER_INI[ 123.183497] 1e40: c138c22c c138c410 0000002a c69dd000 0000000b c6a51f60 c6a51e74 c6a51e68 T.sh # exit=1 # selftests: lkd[t 123.194541] 1e60: c0c2f028 c138c3d0 c6a51e9c c6a51e78 c0c2f528 c0c2f008 c0c2f408 c680d180 m: WRITE_KERN.sh [ 123.205414] 1e80: b6dcf000 0000000b c513d000 c6a51f60 c6a51ec4 c6a51ea0 c07f6038 c0c2f414 [ 123.215159] 1ea0: 00000000 c680d180 b6dcf000 c2816000 c6a51f60 c07f5fd4 c6a51f5c c6a51ec8 [ 123.223370] 1ec0: c0598ab8 c07f5fe0 00000001 00000000 c059904c c13a1a78 c059904c c6a50000 [ 123.231582] 1ee0: b6dcf000 00020000 00000004 0000000b 0001fff5 c6a51ee0 00000001 b6dce000 [ 123.239790] 1f00: c5b1bb80 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 123.248001] 1f20: 00000000 00000000 c13a1a78 445b73ab c205cf60 c680d180 c680d180 c6a50000 [ 123.256211] 1f40: b6dcf000 00000000 00000000 00000004 c6a51f94 c6a51f60 c059904c c05989b8 [ 123.264420] 1f60: 00000000 00000000 c6a51fac 445b73ab 0000000b 0000000b b6f16e00 00000004 [ 123.272627] 1f80: c03002e4 c6a50000 c6a51fa4 c6a51f98 c05990dc c0598fe4 00000000 c6a51fa8 [ 123.280835] 1fa0: c03000c0 c05990d0 0000000b 0000000b 00000001 b6dcf000 0000000b 00000000 [ 123.289042] 1fc0: 0000000b 0000000b b6f16e00 00000004 00000001 00000000 00020000 bee8aa54 [ 123.297250] 1fe0: 00000004 bee8a788 b6e814cf b6e077e6 800e0030 00000001 00000000 00000000 [ 123.305443] Backtrace: [ 123.307965] [] (lkdtm_WRITE_KERN) from [] (lkdtm_do_action+0x2c/0x4c) [ 123.316173] r7:c6a51f60 r6:0000000b r5:c69dd000 r4:0000002a [ 123.321876] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 123.329924] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 123.337875] r9:c6a51f60 r8:c513d000 r7:0000000b r6:b6dcf000 r5:c680d180 r4:c0c2f408 [ 123.345662] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 123.353526] r9:c07f5fd4 r8:c6a51f60 r7:c2816000 r6:b6dcf000 r5:c680d180 r4:00000000 [ 123.361303] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 123.368471] r10:00000004 r9:00000000 r8:00000000 r7:b6dcf000 r6:c6a50000 r5:c680d180 [ 123.376323] r4:c680d180 [ 123.378891] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 123.386057] r9:c6a50000 r8:c03002e4 r7:00000004 r6:b6f16e00 r5:0000000b r4:0000000b [ 123.393838] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 123.401430] Exception stack(0xc6a51fa8 to 0xc6a51ff0) [ 123.406511] 1fa0: 0000000b 0000000b 00000001 b6dcf000 0000000b 00000000 [ 123.414721] 1fc0: 0000000b 0000000b b6f16e00 00000004 00000001 00000000 00020000 bee8aa54 [ 123.422923] 1fe0: 00000004 bee8a788 b6e814cf b6e077e6 [ 123.428006] Code: f5d1f05c f5d1f07c e8b151f8 e2522020 (e8a051f8) [ 123.434136] ---[ end trace cf55c2bf51e529d2 ]--- # Segmentation fault # [ 122.986380] lkdtm: Performing direct entry WRITE_KERN # [ 122.992734] lkdtm: attempting bad 7718036 byte write at c138c22c # [ 123.001535] 8<--- cut here --- # [ 123.006929] Unable to handle kernel paging request at virtual address c138c22c # [ 123.016244] pgd = fd5c9f94 # [ 123.021131] [c138c22c] *pgd=1121940e(bad) # [ 123.028019] Internal error: Oops: 80d [#14] SMP ARM # [ 123.035502] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb etnaviv parallel_display gpu_sched imxdrm imx_ipu_v3 # [ 123.067219] CPU: 3 PID: 2613 Comm: cat Tainted: G D W 5.10.155-cip21 #1 # [ 123.077820] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 123.086621] PC is at memcpy+0x50/0x330 # [ 123.093236] LR is at 0xe92dd830 # [ 123.099068] pc : [] lr : [] psr: 200e0013 # [ 123.107680] sp : c6a51e2c ip : e1a0c00d fp : c6a51e64 # [ 123.115166] r10: 0000000b r9 : c1ad0ba0 r8 : e89da800 # [ 123.122569] r7 : e8bd4000 r6 : e52de004 r5 : e24cb004 r4 : e92dd800 # [ 123.131356] r3 : e1a0c00d r2 : 0075c3f4 r1 : c0c2fdb8 r0 : c138c22c # [ 123.140060] Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 123.149544] Control: 10c5387d Table: 1693c04a DAC: 00000051 # [ 123.157553] Process cat (pid: 2613, stack limit = 0x598285bf) # [ 123.165735] Stack: (0xc6a51e2c to 0xc6a52000) # [ 123.172450] 1e20: c0c2fd98 0075c494 c6a51f60 c15e8634 c138c22c # [ 123.183497] 1e40: c138c22c c138c410 0000002a c69dd000 0000000b c6a51f60 c6a51e74 c6a51e68 # [ 123.194541] 1e60: c0c2f028 c138c3d0 c6a51e9c c6a51e78 c0c2f528 c0c2f008 c0c2f408 c680d180 # [ 123.205414] 1e80: b6dcf000 0000000b c513d000 c6a51f60 c6a51ec4 c6a51ea0 c07f6038 c0c2f414 # [ 123.215159] 1ea0: 00000000 c680d180 b6dcf000 c2816000 c6a51f60 c07f5fd4 c6a51f5c c6a51ec8 # [ 123.223370] 1ec0: c0598ab8 c07f5fe0 00000001 00000000 c059904c c13a1a78 c059904c c6a50000 # [ 123.231582] 1ee0: b6dcf000 00020000 00000004 0000000b 0001fff5 c6a51ee0 00000001 b6dce000 # [ 123.239790] 1f00: c5b1bb80 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 123.248001] 1f20: 00000000 00000000 c13a1a78 445b73ab c205cf60 c680d180 c680d180 c6a50000 # [ 123.256211] 1f40: b6dcf000 00000000 00000000 00000004 c6a51f94 c6a51f60 c059904c c05989b8 # [ 123.264420] 1f60: 00000000 00000000 c6a51fac 445b73ab 0000000b 0000000b b6f16e00 00000004 # [ 123.272627] 1f80: c03002e4 c6a50000 c6a51fa4 c6a51f98 c05990dc c0598fe4 00000000 c6a51fa8 # [ 123.280835] 1fa0: c03000c0 c05990d0 0000000b 0000000b 00000001 b6dcf000 0000000b 00000000 # [ 123.289042] 1fc0: 0000000b 0000000b b6f16e00 00000004 00000001 00000000 00020000 bee8aa54 # [ 123.297250] 1fe0: 00000004 bee8a788 b6e814cf b6e077e6 800e0030 00000001 00000000 00000000 # [ 123.305443] Backtrace: # [ 123.307965] [] (lkdtm_WRITE_KERN) from [] (lkdtm_do_action+0x2c/0x4c) # [ 123.316173] r7:c6a51f60 r6:0000000b r5:c69dd000 r4:0000002a # [ 123.321876] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 123.329924] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 123.337875] r9:c6a51f60 r8:c513d000 r7:0000000b r6:b6dcf000 r5:c680d180 r4:c0c2f408 # [ 123.345662] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 123.353526] r9:c07f5fd4 r8:c6a51f60 r7:c2816000 r6:b6dcf000 r5:c680d180 r4:00000000 # [ 123.361303] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 123.368471] r10:00000004 r9:00000000 r8:00000000 r7:b6dcf000 r6:c6a50000 r5:c680d180 # [ 123.376323] r4:c680d180 # [ 123.378891] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 123.386057] r9:c6a50000 r8:c03002e4 r7:00000004 r6:b6f16e00 r5:0000000b r4:0000000b # [ 123.393838] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 123.401430] Exception stack(0xc6a51fa8 to 0xc6a51ff0) # [ 123.406511] 1fa0: 0000000b 0000000b 00000001 b6dcf000 0000000b 00000000 # [ 123.414721] 1fc0: 0000000b 0000000b b6f16e00 00000004 00000001 00000000 00020000 bee8aa54 # [ 123.422923] 1fe0: 00000004 bee8a788 b6e814cf b6e077e6 # [ [ 123.971404] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW 123.428006] Code: f5d1f05c f5d1f0[ 123.979711] lkdtm: attempting good refcount_inc() without overflow 7c e8b151f8 e2522020 (e8a051f8) [ 123.988648] lkdtm: attempting bad refcount_inc() overflow # [ 123.434136] ---[ end trace [ 123.996972] ------------[ cut here ]------------ cf55c2bf51e529d2 ]--- # WRITE_KE[ 124.004394] WARNING: CPU: 2 PID: 2688 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 RN: missing 'call trace:': [FAIL][ 124.015677] refcount_t: saturated; leaking memory. not ok 41 selftests: lkdtm: WRI[ 124.023329] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb etnaviv parallel_display gpu_sched imxdrm imx_ipu_v3 TE_KERN.sh # exit=1 # selftests:[ 124.055030] CPU: 2 PID: 2688 Comm: cat Tainted: G D W 5.10.155-cip21 #1 lkdtm: RE[F C O1U2N4.T0_6I5N5C9_] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) OVERFLOW.sh [ 124.073860] Backtrace: [ 124.077454] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 124.085034] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7b4 [ 124.090708] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 124.098033] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 124.105005] r9:00000009 r8:c086e4cc r7:00000016 r6:00000009 r5:c086e4cc r4:c1a24c30 [ 124.112759] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 124.120249] r7:00000016 r6:c1a24c30 r5:c1a24c08 r4:c5d98000 [ 124.125921] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) [ 124.134888] r9:c1ad0bac r8:c15e8634 r7:c5d99f60 r6:00000016 r5:c6c67000 r4:c5d98000 [ 124.142647] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) [ 124.152313] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_OVERFLOW+0x78/0x9c) [ 124.162416] [] (lkdtm_REFCOUNT_INC_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) [ 124.171554] r4:0000002b [ 124.174100] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 124.182118] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 124.190044] r9:c5d99f60 r8:c513d000 r7:00000016 r6:b6dd9000 r5:c6a12280 r4:c0c2f408 [ 124.197800] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 124.205640] r9:c07f5fd4 r8:c5d99f60 r7:c2816000 r6:b6dd9000 r5:c6a12280 r4:00000000 [ 124.213391] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 124.220536] r10:00000004 r9:00000000 r8:00000000 r7:b6dd9000 r6:c5d98000 r5:c6a12280 [ 124.228368] r4:c6a12280 [ 124.230911] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 124.238054] r9:c5d98000 r8:c03002e4 r7:00000004 r6:b6f20e00 r5:00000016 r4:00000016 [ 124.245809] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 124.253384] Exception stack(0xc5d99fa8 to 0xc5d99ff0) [ 124.258447] 9fa0: 00000016 00000016 00000001 b6dd9000 00000016 00000000 [ 124.266634] 9fc0: 00000016 00000016 b6f20e00 00000004 00000001 00000000 00020000 be9c3a54 [ 124.274817] 9fe0: 00000004 be9c3788 b6e8b4cf b6e117e6 [ 124.279929] irq event stamp: 0 [ 124.283051] hardirqs last enabled at (0): [<00000000>] 0x0 [ 124.288646] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 124.296175] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 124.303700] softirqs last disabled at (0): [<00000000>] 0x0 [ 124.309284] ---[ end trace cf55c2bf51e529d3 ]--- [ 124.313941] lkdtm: Overflow detected: saturated # [ 123.971404] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW # [ 123.979711] lkdtm: attempting good refcount_inc() without overflow # [ 123.988648] lkdtm: attempting bad refcount_inc() overflow # [ 123.996972] ------------[ cut here ]------------ # [ 124.004394] WARNING: CPU: 2 PID: 2688 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 124.015677] refcount_t: saturated; leaking memory. # [ 124.023329] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb etnaviv parallel_display gpu_sched imxdrm imx_ipu_v3 # [ 124.055030] CPU: 2 PID: 2688 Comm: cat Tainted: G D W 5.10.155-cip21 #1 # [ 124.065598] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 124.073860] Backtrace: # [ 124.077454] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 124.085034] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7b4 # [ 124.090708] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 124.098033] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 124.105005] r9:00000009 r8:c086e4cc r7:00000016 r6:00000009 r5:c086e4cc r4:c1a24c30 # [ 124.112759] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 124.120249] r7:00000016 r6:c1a24c30 r5:c1a24c08 r4:c5d98000 # [ 124.125921] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 124.134888] r9:c1ad0bac r8:c15e8634 r7:c5d99f60 r6:00000016 r5:c6c67000 r4:c5d98000 # [ 124.142647] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 124.152313] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_OVERFLOW+0x78/0x9c) # [ 124.162416] [] (lkdtm_REFCOUNT_INC_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 124.171554] r4:0000002b # [ 124.174100] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 124.182118] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 124.190044] r9:c5d99f60 r8:c513d000 r7:00000016 r6:b6dd9000 r5:c6a12280 r4:c0c2f408 # [ 124.197800] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 124.205640] r9:c07f5fd4 r8:c5d99f60 r7:c2816000 r6:b6dd9000 r5:c6a12280 r4:00000000 # [ 124.213391] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 124.220536] r10:00000004 r9:00000000 r8:00000000 r7:b6dd9000 r6:c5d98000 r5:c6a12280 # [ 124.228368] r4:c6a12280 # [ 124.230911] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 124.238054] r9:c5d98000 r8:c03002e4 r7:00000004 r6:b6f20e00 r5:00000016 r4:00000016 # [ 124.245809] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 124.253384] Exception stack(0xc5d99fa8 to 0xc5d99ff0) # [ 124.258447] 9fa0: 00000016 00000016 00000001 b6dd9000 00000016 00000000 # [ 124.266634] 9fc0: 00000016 00000016 b6f20e00 00000004 00000001 00000000 00020000 be9c3a54 # [ 124.274817] 9fe0: 00000004 be9c3788 b6e8b4cf b6e117e6 # [ 124.279929] irq event stamp: 0 # [ 124.283051] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 124.288646] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 124.296175] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 124.303700] softirqs last disabled at (0): [<00000000>] 0x0 # [ 124.309284] ---[ end trace cf55c2bf51e529d3 ]--- # [ 124.313941] lkdtm: Overflow detected: saturated # REFCOUNT_INC_OVERFLOW: missing 'call trace:': [FAIL] not ok 42 selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh[ 124.739280] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW # exit=1 # selftests: lkdtm: RE[ 124.747189] lkdtm: attempting good refcount_add() without overflow FCOUNT_ADD_OVERFLOW.sh [ 124.756329] lkdtm: attempting bad refcount_add() overflow [ 124.763746] ------------[ cut here ]------------ [ 124.768397] WARNING: CPU: 0 PID: 2722 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 [ 124.776866] refcount_t: saturated; leaking memory. [ 124.781699] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb etnaviv parallel_display gpu_sched imxdrm imx_ipu_v3 [ 124.810848] CPU: 0 PID: 2722 Comm: cat Tainted: G D W 5.10.155-cip21 #1 [ 124.818597] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 124.825129] Backtrace: [ 124.827604] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 124.835184] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7b4 [ 124.840859] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 124.848182] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 124.855154] r9:00000009 r8:c086e4cc r7:00000016 r6:00000009 r5:c086e4cc r4:c1a24c30 [ 124.862908] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 124.870398] r7:00000016 r6:c1a24c30 r5:c1a24c08 r4:c6f9e000 [ 124.876072] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) [ 124.885041] r9:c1ad0bc4 r8:c15e8634 r7:c6f9ff60 r6:00000016 r5:c6ac1000 r4:c6f9e000 [ 124.892799] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) [ 124.902467] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_OVERFLOW+0x84/0xa8) [ 124.912572] [] (lkdtm_REFCOUNT_ADD_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) [ 124.921710] r4:0000002c [ 124.924256] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 124.932276] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 124.940201] r9:c6f9ff60 r8:c513d000 r7:00000016 r6:b6e46000 r5:c5a3cdc0 r4:c0c2f408 [ 124.947956] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 124.955796] r9:c07f5fd4 r8:c6f9ff60 r7:c2816000 r6:b6e46000 r5:c5a3cdc0 r4:00000000 [ 124.963550] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 124.970695] r10:00000004 r9:00000000 r8:00000000 r7:b6e46000 r6:c6f9e000 r5:c5a3cdc0 [ 124.978530] r4:c5a3cdc0 [ 124.981072] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 124.988217] r9:c6f9e000 r8:c03002e4 r7:00000004 r6:b6f8de00 r5:00000016 r4:00000016 [ 124.995972] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 125.003547] Exception stack(0xc6f9ffa8 to 0xc6f9fff0) [ 125.008608] ffa0: 00000016 00000016 00000001 b6e46000 00000016 00000000 [ 125.016795] ffc0: 00000016 00000016 b6f8de00 00000004 00000001 00000000 00020000 beafda54 [ 125.024980] ffe0: 00000004 beafd788 b6ef84cf b6e7e7e6 [ 125.030066] irq event stamp: 0 [ 125.033163] hardirqs last enabled at (0): [<00000000>] 0x0 [ 125.038751] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 125.046271] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 125.053788] softirqs last disabled at (0): [<00000000>] 0x0 [ 125.059373] ---[ end trace cf55c2bf51e529d4 ]--- [ 125.064023] lkdtm: Overflow detected: saturated # [ 124.739280] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW # [ 124.747189] lkdtm: attempting good refcount_add() without overflow # [ 124.756329] lkdtm: attempting bad refcount_add() overflow # [ 124.763746] ------------[ cut here ]------------ # [ 124.768397] WARNING: CPU: 0 PID: 2722 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 124.776866] refcount_t: saturated; leaking memory. # [ 124.781699] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb etnaviv parallel_display gpu_sched imxdrm imx_ipu_v3 # [ 124.810848] CPU: 0 PID: 2722 Comm: cat Tainted: G D W 5.10.155-cip21 #1 # [ 124.818597] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 124.825129] Backtrace: # [ 124.827604] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 124.835184] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7b4 # [ 124.840859] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 124.848182] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 124.855154] r9:00000009 r8:c086e4cc r7:00000016 r6:00000009 r5:c086e4cc r4:c1a24c30 # [ 124.862908] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 124.870398] r7:00000016 r6:c1a24c30 r5:c1a24c08 r4:c6f9e000 # [ 124.876072] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 124.885041] r9:c1ad0bc4 r8:c15e8634 r7:c6f9ff60 r6:00000016 r5:c6ac1000 r4:c6f9e000 # [ 124.892799] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 124.902467] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_OVERFLOW+0x84/0xa8) # [ 124.912572] [] (lkdtm_REFCOUNT_ADD_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 124.921710] r4:0000002c # [ 124.924256] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 124.932276] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 124.940201] r9:c6f9ff60 r8:c513d000 r7:00000016 r6:b6e46000 r5:c5a3cdc0 r4:c0c2f408 # [ 124.947956] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 124.955796] r9:c07f5fd4 r8:c6f9ff60 r7:c2816000 r6:b6e46000 r5:c5a3cdc0 r4:00000000 # [ 124.963550] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 124.970695] r10:00000004 r9:00000000 r8:00000000 r7:b6e46000 r6:c6f9e000 r5:c5a3cdc0 # [ 124.978530] r4:c5a3cdc0 # [ 124.981072] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 124.988217] r9:c6f9e000 r8:c03002e4 r7:00000004 r6:b6f8de00 r5:00000016 r4:00000016 # [ 124.995972] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 125.003547] Exception stack(0xc6f9ffa8 to 0xc6f9fff0) # [ 125.008608] ffa0: 00000016 00000016 00000001 b6e46000 00000016 00000000 # [ 125.016795] ffc0: 00000016 00000016 b6f8de00 00000004 00000001 00000000 00020000 beafda54 # [ 125.024980] ffe0: 00000004 beafd788 b6ef84cf b6e7e7e6 # [ 125.030066] irq event stamp: 0 # [ 125.033163] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 125.038751] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 125.046271] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 125.053788] softirqs last disabled at (0): [<00000000>] 0x0 # [ 125.059373] ---[ end trace cf55c2bf51e529d4 ]--- # [ [ 125.480395] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW 125.064023] lkdtm: Overflow dete[ 125.488960] lkdtm: attempting bad refcount_inc_not_zero() overflow cted: saturated # REFCOUNT_ADD_O[ 125.498000] ------------[ cut here ]------------ VERFLOW: missing 'call trace:': [[ 125.505579] WARNING: CPU: 3 PID: 2756 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 FAIL] not ok 43 selftests: lkdtm[ 125.516768] refcount_t: saturated; leaking memory. : REFCOUNT_ADD_OVERFLOW.sh # exit[ 125.524443] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb etnaviv parallel_display gpu_sched imxdrm imx_ipu_v3 =1 # selftests: lkdtm: REFCOUNT_[ 125.556140] CPU: 3 PID: 2756 Comm: cat Tainted: G D W 5.10.155-cip21 #1 INC_NOT_ZERO_O[V E R1F2L5O.W5.6s6677] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 125.575199] Backtrace: [ 125.577842] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 125.585425] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7b4 [ 125.591104] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 125.598434] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 125.605409] r9:00000009 r8:c086e498 r7:00000013 r6:00000009 r5:c086e498 r4:c1a24c30 [ 125.613169] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 125.620661] r7:00000013 r6:c1a24c30 r5:c1a24c08 r4:c5c6c000 [ 125.626343] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) [ 125.635316] r9:c1ad0bdc r8:c15e8634 r7:c5c6df60 r6:0000001f r5:c6aaa000 r4:7fffffff [ 125.643081] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) [ 125.653534] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x50/0x88) [ 125.665192] r5:c6aaa000 r4:c5c6c000 [ 125.668790] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) [ 125.678712] r4:0000002d [ 125.681262] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 125.689288] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 125.697218] r9:c5c6df60 r8:c513d000 r7:0000001f r6:b6e32000 r5:c5ab0c80 r4:c0c2f408 [ 125.704980] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 125.712822] r9:c07f5fd4 r8:c5c6df60 r7:c2816000 r6:b6e32000 r5:c5ab0c80 r4:00000000 [ 125.720580] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 125.727727] r10:00000004 r9:00000000 r8:00000000 r7:b6e32000 r6:c5c6c000 r5:c5ab0c80 [ 125.735564] r4:c5ab0c80 [ 125.738113] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 125.745262] r9:c5c6c000 r8:c03002e4 r7:00000004 r6:b6f79e00 r5:0000001f r4:0000001f [ 125.753025] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 125.760602] Exception stack(0xc5c6dfa8 to 0xc5c6dff0) [ 125.765671] dfa0: 0000001f 0000001f 00000001 b6e32000 0000001f 00000000 [ 125.773862] dfc0: 0000001f 0000001f b6f79e00 00000004 00000001 00000000 00020000 bec20a54 [ 125.782048] dfe0: 00000004 bec20788 b6ee44cf b6e6a7e6 [ 125.787185] irq event stamp: 0 [ 125.790265] hardirqs last enabled at (0): [<00000000>] 0x0 [ 125.795902] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 125.803451] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 125.810957] softirqs last disabled at (0): [<00000000>] 0x0 [ 125.816601] ---[ end trace cf55c2bf51e529d5 ]--- [ 125.821236] lkdtm: Overflow detected: saturated # [ 125.480395] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 125.488960] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 125.498000] ------------[ cut here ]------------ # [ 125.505579] WARNING: CPU: 3 PID: 2756 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 125.516768] refcount_t: saturated; leaking memory. # [ 125.524443] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb etnaviv parallel_display gpu_sched imxdrm imx_ipu_v3 # [ 125.556140] CPU: 3 PID: 2756 Comm: cat Tainted: G D W 5.10.155-cip21 #1 # [ 125.566677] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 125.575199] Backtrace: # [ 125.577842] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 125.585425] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7b4 # [ 125.591104] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 125.598434] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 125.605409] r9:00000009 r8:c086e498 r7:00000013 r6:00000009 r5:c086e498 r4:c1a24c30 # [ 125.613169] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 125.620661] r7:00000013 r6:c1a24c30 r5:c1a24c08 r4:c5c6c000 # [ 125.626343] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 125.635316] r9:c1ad0bdc r8:c15e8634 r7:c5c6df60 r6:0000001f r5:c6aaa000 r4:7fffffff # [ 125.643081] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 125.653534] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x50/0x88) # [ 125.665192] r5:c6aaa000 r4:c5c6c000 # [ 125.668790] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 125.678712] r4:0000002d # [ 125.681262] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 125.689288] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 125.697218] r9:c5c6df60 r8:c513d000 r7:0000001f r6:b6e32000 r5:c5ab0c80 r4:c0c2f408 # [ 125.704980] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 125.712822] r9:c07f5fd4 r8:c5c6df60 r7:c2816000 r6:b6e32000 r5:c5ab0c80 r4:00000000 # [ 125.720580] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 125.727727] r10:00000004 r9:00000000 r8:00000000 r7:b6e32000 r6:c5c6c000 r5:c5ab0c80 # [ 125.735564] r4:c5ab0c80 # [ 125.738113] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 125.745262] r9:c5c6c000 r8:c03002e4 r7:00000004 r6:b6f79e00 r5:0000001f r4:0000001f # [ 125.753025] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 125.760602] Exception stack(0xc5c6dfa8 to 0xc5c6dff0) # [ 125.765671] dfa0: 0000001f 0000001f 00000001 b6e32000 0000001f 00000000 # [ 125.773862] dfc0: 0000001f 0000001f b6f79e00 00000004 00000001 00000000 00020000 bec20a54 # [ 125.782048] dfe0: 00000004 bec20788 b6ee44cf b6e6a7e6 # [ 125.787185] irq event stamp: 0 # [ 125.790265] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 125.795902] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 125.803451] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 125.810957] softirqs last disabled at (0): [<00000000>] 0x0 # [ 125.816601] ---[ e[ 126.244115] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW nd trace cf55c2bf51e529d5 ]--- #[ 126.251740] lkdtm: attempting bad refcount_add_not_zero() overflow [ 125.821236] lkdtm: Overflow d[ 126.260764] ------------[ cut here ]------------ etected: saturated # REFCOUNT_IN[ 126.268324] WARNING: CPU: 3 PID: 2790 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 C_NOT_ZERO_OVERFLOW: missing 'cal[ 126.279675] refcount_t: saturated; leaking memory. l trace:': [FAIL] not ok 44 self[ 126.287217] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb etnaviv parallel_display gpu_sched imxdrm imx_ipu_v3 tests: lkdtm: REFCOUNT_INC_NOT_ZE[ 126.318981] CPU: 3 PID: 2790 Comm: cat Tainted: G D W 5.10.155-cip21 #1 RO_OVERFLOW[. s h1 2#6 .e3x2i9t4=0] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 1 # selftests: lk[d t m1:2 6R.E337828] Backtrace: COUNT_ADD_NOT_ZERO_OVERFLOW.sh [ 126.342464] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 126.352794] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7b4 [ 126.358470] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 126.365794] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 126.372765] r9:00000009 r8:c086e498 r7:00000013 r6:00000009 r5:c086e498 r4:c1a24c30 [ 126.380519] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 126.388008] r7:00000013 r6:c1a24c30 r5:c1a24c08 r4:c6bdc000 [ 126.393685] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) [ 126.402652] r9:c1ad0bfc r8:c15e8634 r7:c6bddf60 r6:0000001f r5:c6aa8000 r4:7fffffff [ 126.410413] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) [ 126.420861] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x50/0x88) [ 126.432517] r5:c6aa8000 r4:c6bdc000 [ 126.436110] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) [ 126.446028] r4:0000002e [ 126.448574] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 126.456593] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 126.464519] r9:c6bddf60 r8:c513d000 r7:0000001f r6:b6ddb000 r5:c5ab0280 r4:c0c2f408 [ 126.472278] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 126.480116] r9:c07f5fd4 r8:c6bddf60 r7:c2816000 r6:b6ddb000 r5:c5ab0280 r4:00000000 [ 126.487868] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 126.495012] r10:00000004 r9:00000000 r8:00000000 r7:b6ddb000 r6:c6bdc000 r5:c5ab0280 [ 126.502846] r4:c5ab0280 [ 126.505389] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 126.512533] r9:c6bdc000 r8:c03002e4 r7:00000004 r6:b6f22e00 r5:0000001f r4:0000001f [ 126.520288] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 126.527863] Exception stack(0xc6bddfa8 to 0xc6bddff0) [ 126.532923] dfa0: 0000001f 0000001f 00000001 b6ddb000 0000001f 00000000 [ 126.541110] dfc0: 0000001f 0000001f b6f22e00 00000004 00000001 00000000 00020000 becaaa54 [ 126.549293] dfe0: 00000004 becaa788 b6e8d4cf b6e137e6 [ 126.554426] irq event stamp: 0 [ 126.557498] hardirqs last enabled at (0): [<00000000>] 0x0 [ 126.563129] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 126.570639] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 126.578189] softirqs last disabled at (0): [<00000000>] 0x0 [ 126.583815] ---[ end trace cf55c2bf51e529d6 ]--- [ 126.588448] lkdtm: Overflow detected: saturated # [ 126.244115] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 126.251740] lkdtm: attempting bad refcount_add_not_zero() overflow # [ 126.260764] ------------[ cut here ]------------ # [ 126.268324] WARNING: CPU: 3 PID: 2790 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 126.279675] refcount_t: saturated; leaking memory. # [ 126.287217] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb etnaviv parallel_display gpu_sched imxdrm imx_ipu_v3 # [ 126.318981] CPU: 3 PID: 2790 Comm: cat Tainted: G D W 5.10.155-cip21 #1 # [ 126.329480] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 126.337828] Backtrace: # [ 126.342464] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 126.352794] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7b4 # [ 126.358470] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 126.365794] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 126.372765] r9:00000009 r8:c086e498 r7:00000013 r6:00000009 r5:c086e498 r4:c1a24c30 # [ 126.380519] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 126.388008] r7:00000013 r6:c1a24c30 r5:c1a24c08 r4:c6bdc000 # [ 126.393685] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 126.402652] r9:c1ad0bfc r8:c15e8634 r7:c6bddf60 r6:0000001f r5:c6aa8000 r4:7fffffff # [ 126.410413] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 126.420861] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x50/0x88) # [ 126.432517] r5:c6aa8000 r4:c6bdc000 # [ 126.436110] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 126.446028] r4:0000002e # [ 126.448574] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 126.456593] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 126.464519] r9:c6bddf60 r8:c513d000 r7:0000001f r6:b6ddb000 r5:c5ab0280 r4:c0c2f408 # [ 126.472278] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 126.480116] r9:c07f5fd4 r8:c6bddf60 r7:c2816000 r6:b6ddb000 r5:c5ab0280 r4:00000000 # [ 126.487868] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 126.495012] r10:00000004 r9:00000000 r8:00000000 r7:b6ddb000 r6:c6bdc000 r5:c5ab0280 # [ 126.502846] r4:c5ab0280 # [ 126.505389] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 126.512533] r9:c6bdc000 r8:c03002e4 r7:00000004 r6:b6f22e00 r5:0000001f r4:0000001f # [ 126.520288] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 126.527863] Exception stack(0xc6bddfa8 to 0xc6bddff0) # [ 126.532923] dfa0: 0000001f 0000001f 00000001 b6ddb000 0000001f 00000000 # [ 126.541110] dfc0: 0000001f 0000001f b6f22e00 00000004 00000001 00000000 00020000 becaaa54 # [ 126.549293] dfe0: 00000004 becaa788 b6e8d4cf b6e137e6 # [ 126.554426] irq event stamp: 0 # [ 126.557498] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 126.563129] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 126.570639] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 126.578189] softirqs last disabled at (0): [<00000000>] 0x0 # [ 126.583815] ---[ end trace cf55c2bf51e529d6 ]--- # [ 126.588448] 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[ 127.027678] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO [ 127.035586] lkdtm: attempting good refcount_dec() [ 127.040426] lkdtm: attempting bad refcount_dec() to zero [ 127.045837] ------------[ cut here ]------------ [ 127.050493] WARNING: CPU: 0 PID: 2824 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 [ 127.059085] refcount_t: decrement hit 0; leaking memory. [ 127.064473] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb etnaviv parallel_display gpu_sched imxdrm imx_ipu_v3 [ 127.093711] CPU: 0 PID: 2824 Comm: cat Tainted: G D W 5.10.155-cip21 #1 [ 127.101462] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 127.107996] Backtrace: [ 127.110472] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 127.118051] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7b4 [ 127.123726] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 127.131052] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 127.138021] r9:00000009 r8:c086e464 r7:0000001f r6:00000009 r5:c086e464 r4:c1a24c30 [ 127.145776] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 127.153264] r7:0000001f r6:c1a24c30 r5:c1a24c94 r4:c5f8e000 [ 127.158940] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) [ 127.167907] r9:c1ad0c1c r8:c15e8634 r7:c5f8ff60 r6:00000012 r5:c6ac2000 r4:c5f8e000 [ 127.175666] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) [ 127.185329] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_ZERO+0x5c/0xd8) [ 127.195086] [] (lkdtm_REFCOUNT_DEC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) [ 127.203877] r4:0000002f [ 127.206423] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 127.214442] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 127.222368] r9:c5f8ff60 r8:c513d000 r7:00000012 r6:b6df2000 r5:c5ab12c0 r4:c0c2f408 [ 127.230125] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 127.237964] r9:c07f5fd4 r8:c5f8ff60 r7:c2816000 r6:b6df2000 r5:c5ab12c0 r4:00000000 [ 127.245715] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 127.252859] r10:00000004 r9:00000000 r8:00000000 r7:b6df2000 r6:c5f8e000 r5:c5ab12c0 [ 127.260692] r4:c5ab12c0 [ 127.263236] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 127.270381] r9:c5f8e000 r8:c03002e4 r7:00000004 r6:b6f39e00 r5:00000012 r4:00000012 [ 127.278138] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 127.285713] Exception stack(0xc5f8ffa8 to 0xc5f8fff0) [ 127.290774] ffa0: 00000012 00000012 00000001 b6df2000 00000012 00000000 [ 127.298962] ffc0: 00000012 00000012 b6f39e00 00000004 00000001 00000000 00020000 befc9a54 [ 127.307145] ffe0: 00000004 befc9788 b6ea44cf b6e2a7e6 [ 127.312237] irq event stamp: 0 [ 127.315310] hardirqs last enabled at (0): [<00000000>] 0x0 [ 127.320897] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 127.328460] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 127.336007] softirqs last disabled at (0): [<00000000>] 0x0 [ 127.341593] ---[ end trace cf55c2bf51e529d7 ]--- [ 127.346243] lkdtm: Zero detected: saturated # [ 127.027678] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO # [ 127.035586] lkdtm: attempting good refcount_dec() # [ 127.040426] lkdtm: attempting bad refcount_dec() to zero # [ 127.045837] ------------[ cut here ]------------ # [ 127.050493] WARNING: CPU: 0 PID: 2824 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 # [ 127.059085] refcount_t: decrement hit 0; leaking memory. # [ 127.064473] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb etnaviv parallel_display gpu_sched imxdrm imx_ipu_v3 # [ 127.093711] CPU: 0 PID: 2824 Comm: cat Tainted: G D W 5.10.155-cip21 #1 # [ 127.101462] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 127.107996] Backtrace: # [ 127.110472] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 127.118051] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7b4 # [ 127.123726] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 127.131052] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 127.138021] r9:00000009 r8:c086e464 r7:0000001f r6:00000009 r5:c086e464 r4:c1a24c30 # [ 127.145776] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 127.153264] r7:0000001f r6:c1a24c30 r5:c1a24c94 r4:c5f8e000 # [ 127.158940] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) # [ 127.167907] r9:c1ad0c1c r8:c15e8634 r7:c5f8ff60 r6:00000012 r5:c6ac2000 r4:c5f8e000 # [ 127.175666] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) # [ 127.185329] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_ZERO+0x5c/0xd8) # [ 127.195086] [] (lkdtm_REFCOUNT_DEC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 127.203877] r4:0000002f # [ 127.206423] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 127.214442] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 127.222368] r9:c5f8ff60 r8:c513d000 r7:00000012 r6:b6df2000 r5:c5ab12c0 r4:c0c2f408 # [ 127.230125] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 127.237964] r9:c07f5fd4 r8:c5f8ff60 r7:c2816000 r6:b6df2000 r5:c5ab12c0 r4:00000000 # [ 127.245715] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 127.252859] r10:00000004 r9:00000000 r8:00000000 r7:b6df2000 r6:c5f8e000 r5:c5ab12c0 # [ 127.260692] r4:c5ab12c0 # [ 127.263236] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 127.270381] r9:c5f8e000 r8:c03002e4 r7:00000004 r6:b6f39e00 r5:00000012 r4:00000012 # [ 127.278138] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 127.285713] Exception stack(0xc5f8ffa8 to 0xc5f8fff0) # [ 127.290774] ffa0: 00000012 00000012 00000001 b6df2000 00000012 00000000 # [ 127.298962] ffc0: 00000012 00000012 b6f39e00 00000004 00000001 00000000 00020000 befc9a54 # [ 127.307145] ffe0: 00000004 befc9788 b6ea44cf b6e2a7e6 # [ 127.312237] irq event stamp: 0 # [ 127.315310] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 127.320897] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 127.328460] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 127.336007] softirqs last disabled at (0): [<00000000>] 0x0 # [ 127.341593] ---[ end trace cf55c2bf51e529d7 ]--- # [ 127.346243] 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 [ 127.809526] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE [ 127.815609] lkdtm: attempting bad refcount_dec() below zero [ 127.821192] ------------[ cut here ]------------ [ 127.825873] WARNING: CPU: 1 PID: 2861 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 [ 127.834371] refcount_t: decrement hit 0; leaking memory. [ 127.839694] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb etnaviv parallel_display gpu_sched imxdrm imx_ipu_v3 [ 127.868843] CPU: 1 PID: 2861 Comm: cat Tainted: G D W 5.10.155-cip21 #1 [ 127.876593] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 127.883126] Backtrace: [ 127.885606] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 127.893185] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7b4 [ 127.898859] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 127.906183] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 127.913153] r9:00000009 r8:c086e464 r7:0000001f r6:00000009 r5:c086e464 r4:c1a24c30 [ 127.920908] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 127.928397] r7:0000001f r6:c1a24c30 r5:c1a24c94 r4:c696e000 [ 127.934071] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) [ 127.943037] r9:c1ad0c30 r8:c15e8634 r7:c696ff60 r6:00000016 r5:00000000 r4:c696e000 [ 127.950796] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) [ 127.960463] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_NEGATIVE+0x48/0x70) [ 127.970567] [] (lkdtm_REFCOUNT_DEC_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) [ 127.979704] r5:c6ca9000 r4:00000030 [ 127.983291] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 127.991310] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 127.999235] r9:c696ff60 r8:c513d000 r7:00000016 r6:b6e8d000 r5:c5aa5040 r4:c0c2f408 [ 128.006993] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 128.014833] r9:c07f5fd4 r8:c696ff60 r7:c2816000 r6:b6e8d000 r5:c5aa5040 r4:00000000 [ 128.022585] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 128.029729] r10:00000004 r9:00000000 r8:00000000 r7:b6e8d000 r6:c696e000 r5:c5aa5040 [ 128.037563] r4:c5aa5040 [ 128.040106] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 128.047250] r9:c696e000 r8:c03002e4 r7:00000004 r6:b6fd4e00 r5:00000016 r4:00000016 [ 128.055005] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 128.062579] Exception stack(0xc696ffa8 to 0xc696fff0) [ 128.067641] ffa0: 00000016 00000016 00000001 b6e8d000 00000016 00000000 [ 128.075827] ffc0: 00000016 00000016 b6fd4e00 00000004 00000001 00000000 00020000 bebf8a54 [ 128.084012] ffe0: 00000004 bebf8788 b6f3f4cf b6ec57e6 [ 128.089147] irq event stamp: 0 [ 128.092240] hardirqs last enabled at (0): [<00000000>] 0x0 [ 128.097831] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 128.105395] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 128.112959] softirqs last disabled at (0): [<00000000>] 0x0 [ 128.118556] ---[ end trace cf55c2bf51e529d8 ]--- [ 128.123219] lkdtm: Negative detected: saturated # [ 127.809526] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 127.815609] lkdtm: attempting bad refcount_dec() below zero # [ 127.821192] ------------[ cut here ]------------ # [ 127.825873] WARNING: CPU: 1 PID: 2861 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 # [ 127.834371] refcount_t: decrement hit 0; leaking memory. # [ 127.839694] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb etnaviv parallel_display gpu_sched imxdrm imx_ipu_v3 # [ 127.868843] CPU: 1 PID: 2861 Comm: cat Tainted: G D W 5.10.155-cip21 #1 # [ 127.876593] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 127.883126] Backtrace: # [ 127.885606] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 127.893185] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7b4 # [ 127.898859] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 127.906183] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 127.913153] r9:00000009 r8:c086e464 r7:0000001f r6:00000009 r5:c086e464 r4:c1a24c30 # [ 127.920908] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 127.928397] r7:0000001f r6:c1a24c30 r5:c1a24c94 r4:c696e000 # [ 127.934071] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) # [ 127.943037] r9:c1ad0c30 r8:c15e8634 r7:c696ff60 r6:00000016 r5:00000000 r4:c696e000 # [ 127.950796] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) # [ 127.960463] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_NEGATIVE+0x48/0x70) # [ 127.970567] [] (lkdtm_REFCOUNT_DEC_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 127.979704] r5:c6ca9000 r4:00000030 # [ 127.983291] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 127.991310] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 127.999235] r9:c696ff60 r8:c513d000 r7:00000016 r6:b6e8d000 r5:c5aa5040 r4:c0c2f408 # [ 128.006993] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 128.014833] r9:c07f5fd4 r8:c696ff60 r7:c2816000 r6:b6e8d000 r5:c5aa5040 r4:00000000 # [ 128.022585] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 128.029729] r10:00000004 r9:00000000 r8:00000000 r7:b6e8d000 r6:c696e000 r5:c5aa5040 # [ 128.037563] r4:c5aa5040 # [ 128.040106] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 128.047250] r9:c696e000 r8:c03002e4 r7:00000004 r6:b6fd4e00 r5:00000016 r4:00000016 # [ 128.055005] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 128.062579] Exception stack(0xc696ffa8 to 0xc696fff0) # [ 128.067641] ffa0: 00000016 00000016 00000001 b6e8d000 00000016 00000000 # [ 128.075827] ffc0: 00000016 00000016 b6fd4e00 00000004 00000001 00000000 00020000 bebf8a54 # [ 128.084012] ffe0: 00000004 bebf8788 b6f3f4cf b6ec57e6 # [ 128.089147] irq event stamp: 0 # [ 128.092240] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 128.097831] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 128.105395] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 128.112959] softirqs last disabled at (0): [<00000000>] 0x0 # [ 128.118556] ---[ end trace cf55c2bf51e529d8 ]--- # [ 128.123219] 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 [ 128.574482] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE [ 128.581296] lkdtm: attempting bad refcount_dec_and_test() below zero [ 128.587744] ------------[ cut here ]------------ [ 128.592477] WARNING: CPU: 3 PID: 2896 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 [ 128.601014] refcount_t: underflow; use-after-free. [ 128.605861] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb etnaviv parallel_display gpu_sched imxdrm imx_ipu_v3 [ 128.635074] CPU: 3 PID: 2896 Comm: cat Tainted: G D W 5.10.155-cip21 #1 [ 128.642827] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 128.649364] Backtrace: [ 128.651846] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 128.659429] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7b4 [ 128.665110] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 128.672438] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 128.679412] r9:00000009 r8:c086e534 r7:0000001c r6:00000009 r5:c086e534 r4:c1a24c30 [ 128.687170] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 128.694664] r7:0000001c r6:c1a24c30 r5:c1a24c6c r4:c5d48000 [ 128.700345] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) [ 128.709403] r9:c1ad0c48 r8:c15e8634 r7:c5d49f60 r6:0000001f r5:00000000 r4:c5d48000 [ 128.717164] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) [ 128.727617] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x50/0x8c) [ 128.739289] [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) [ 128.749210] r5:c5fe6000 r4:00000031 [ 128.752802] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 128.760825] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 128.768755] r9:c5d49f60 r8:c513d000 r7:0000001f r6:b6dc8000 r5:c59a92c0 r4:c0c2f408 [ 128.776517] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 128.784360] r9:c07f5fd4 r8:c5d49f60 r7:c2816000 r6:b6dc8000 r5:c59a92c0 r4:00000000 [ 128.792116] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 128.799265] r10:00000004 r9:00000000 r8:00000000 r7:b6dc8000 r6:c5d48000 r5:c59a92c0 [ 128.807103] r4:c59a92c0 [ 128.809652] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 128.816800] r9:c5d48000 r8:c03002e4 r7:00000004 r6:b6f0fe00 r5:0000001f r4:0000001f [ 128.824559] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 128.832136] Exception stack(0xc5d49fa8 to 0xc5d49ff0) [ 128.837200] 9fa0: 0000001f 0000001f 00000001 b6dc8000 0000001f 00000000 [ 128.845390] 9fc0: 0000001f 0000001f b6f0fe00 00000004 00000001 00000000 00020000 bec76a54 [ 128.853575] 9fe0: 00000004 bec76788 b6e7a4cf b6e007e6 [ 128.858719] irq event stamp: 0 [ 128.861832] hardirqs last enabled at (0): [<00000000>] 0x0 [ 128.867429] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 128.874984] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 128.882532] softirqs last disabled at (0): [<00000000>] 0x0 [ 128.888128] ---[ end trace cf55c2bf51e529d9 ]--- [ 128.892817] lkdtm: Negative detected: saturated # [ 128.574482] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 128.581296] lkdtm: attempting bad refcount_dec_and_test() below zero # [ 128.587744] ------------[ cut here ]------------ # [ 128.592477] WARNING: CPU: 3 PID: 2896 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 128.601014] refcount_t: underflow; use-after-free. # [ 128.605861] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb etnaviv parallel_display gpu_sched imxdrm imx_ipu_v3 # [ 128.635074] CPU: 3 PID: 2896 Comm: cat Tainted: G D W 5.10.155-cip21 #1 # [ 128.642827] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 128.649364] Backtrace: # [ 128.651846] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 128.659429] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7b4 # [ 128.665110] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 128.672438] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 128.679412] r9:00000009 r8:c086e534 r7:0000001c r6:00000009 r5:c086e534 r4:c1a24c30 # [ 128.687170] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 128.694664] r7:0000001c r6:c1a24c30 r5:c1a24c6c r4:c5d48000 # [ 128.700345] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 128.709403] r9:c1ad0c48 r8:c15e8634 r7:c5d49f60 r6:0000001f r5:00000000 r4:c5d48000 # [ 128.717164] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 128.727617] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x50/0x8c) # [ 128.739289] [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 128.749210] r5:c5fe6000 r4:00000031 # [ 128.752802] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 128.760825] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 128.768755] r9:c5d49f60 r8:c513d000 r7:0000001f r6:b6dc8000 r5:c59a92c0 r4:c0c2f408 # [ 128.776517] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 128.784360] r9:c07f5fd4 r8:c5d49f60 r7:c2816000 r6:b6dc8000 r5:c59a92c0 r4:00000000 # [ 128.792116] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 128.799265] r10:00000004 r9:00000000 r8:00000000 r7:b6dc8000 r6:c5d48000 r5:c59a92c0 # [ 128.807103] r4:c59a92c0 # [ 128.809652] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 128.816800] r9:c5d48000 r8:c03002e4 r7:00000004 r6:b6f0fe00 r5:0000001f r4:0000001f # [ 128.824559] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 128.832136] Exception stack(0xc5d49fa8 to 0xc5d49ff0) # [ 128.837200] 9fa0: 0000001f 0000001f 00000001 b6dc8000 0000001f 00000000 # [ 128.845390] 9fc0: 0000001f 0000001f b6f0fe00 00000004 00000001 00000000 00020000 bec76a54 # [ 128.853575] 9fe0: 00000004 bec76788 b6e7a4cf b6e007e6 # [ 128.858719] irq event stamp: 0 # [ 128.861832] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 128.867429] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 128.874984] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 128.882532] softirqs last disabled at (0): [<00000000>] 0x0 # [ 128.888128] ---[ end trace cf55c2bf51e529d9 ]--- # [ 128.892817] 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 [ 129.345212] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE [ 129.352102] lkdtm: attempting bad refcount_sub_and_test() below zero [ 129.358474] ------------[ cut here ]------------ [ 129.363263] WARNING: CPU: 3 PID: 2931 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 [ 129.371879] refcount_t: underflow; use-after-free. [ 129.376681] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb etnaviv parallel_display gpu_sched imxdrm imx_ipu_v3 [ 129.405864] CPU: 3 PID: 2931 Comm: cat Tainted: G D W 5.10.155-cip21 #1 [ 129.413614] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 129.420147] Backtrace: [ 129.422625] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 129.430205] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7b4 [ 129.435879] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 129.443201] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 129.450172] r9:00000009 r8:c086e534 r7:0000001c r6:00000009 r5:c086e534 r4:c1a24c30 [ 129.457927] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 129.465417] r7:0000001c r6:c1a24c30 r5:c1a24c6c r4:c5f8e000 [ 129.471092] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) [ 129.480146] r9:c1ad0c68 r8:c15e8634 r7:c5f8ff60 r6:0000001f r5:c6e3c000 r4:c5f8e000 [ 129.487905] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) [ 129.498354] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x50/0x8c) [ 129.510020] [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) [ 129.519938] r4:00000032 [ 129.522483] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 129.530501] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 129.538426] r9:c5f8ff60 r8:c513d000 r7:0000001f r6:b6e20000 r5:c59a8500 r4:c0c2f408 [ 129.546183] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 129.554023] r9:c07f5fd4 r8:c5f8ff60 r7:c2816000 r6:b6e20000 r5:c59a8500 r4:00000000 [ 129.561774] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 129.568918] r10:00000004 r9:00000000 r8:00000000 r7:b6e20000 r6:c5f8e000 r5:c59a8500 [ 129.576753] r4:c59a8500 [ 129.579297] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 129.586442] r9:c5f8e000 r8:c03002e4 r7:00000004 r6:b6f67e00 r5:0000001f r4:0000001f [ 129.594198] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 129.601773] Exception stack(0xc5f8ffa8 to 0xc5f8fff0) [ 129.606835] ffa0: 0000001f 0000001f 00000001 b6e20000 0000001f 00000000 [ 129.615024] ffc0: 0000001f 0000001f b6f67e00 00000004 00000001 00000000 00020000 bedc7a54 [ 129.623207] ffe0: 00000004 bedc7788 b6ed24cf b6e587e6 [ 129.628332] irq event stamp: 0 [ 129.631404] hardirqs last enabled at (0): [<00000000>] 0x0 [ 129.637025] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 129.644566] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 129.652142] softirqs last disabled at (0): [<00000000>] 0x0 [ 129.657733] ---[ end trace cf55c2bf51e529da ]--- [ 129.662403] lkdtm: Negative detected: saturated # [ 129.345212] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 129.352102] lkdtm: attempting bad refcount_sub_and_test() below zero # [ 129.358474] ------------[ cut here ]------------ # [ 129.363263] WARNING: CPU: 3 PID: 2931 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 129.371879] refcount_t: underflow; use-after-free. # [ 129.376681] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb etnaviv parallel_display gpu_sched imxdrm imx_ipu_v3 # [ 129.405864] CPU: 3 PID: 2931 Comm: cat Tainted: G D W 5.10.155-cip21 #1 # [ 129.413614] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 129.420147] Backtrace: # [ 129.422625] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 129.430205] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7b4 # [ 129.435879] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 129.443201] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 129.450172] r9:00000009 r8:c086e534 r7:0000001c r6:00000009 r5:c086e534 r4:c1a24c30 # [ 129.457927] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 129.465417] r7:0000001c r6:c1a24c30 r5:c1a24c6c r4:c5f8e000 # [ 129.471092] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 129.480146] r9:c1ad0c68 r8:c15e8634 r7:c5f8ff60 r6:0000001f r5:c6e3c000 r4:c5f8e000 # [ 129.487905] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 129.498354] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x50/0x8c) # [ 129.510020] [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 129.519938] r4:00000032 # [ 129.522483] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 129.530501] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 129.538426] r9:c5f8ff60 r8:c513d000 r7:0000001f r6:b6e20000 r5:c59a8500 r4:c0c2f408 # [ 129.546183] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 129.554023] r9:c07f5fd4 r8:c5f8ff60 r7:c2816000 r6:b6e20000 r5:c59a8500 r4:00000000 # [ 129.561774] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 129.568918] r10:00000004 r9:00000000 r8:00000000 r7:b6e20000 r6:c5f8e000 r5:c59a8500 # [ 129.576753] r4:c59a8500 # [ 129.579297] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 129.586442] r9:c5f8e000 r8:c03002e4 r7:00000004 r6:b6f67e00 r5:0000001f r4:0000001f # [ 129.594198] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 129.601773] Exception stack(0xc5f8ffa8 to 0xc5f8fff0) # [ 129.606835] ffa0: 0000001f 0000001f 00000001 b6e20000 0000001f 00000000 # [ 129.615024] ffc0: 0000001f 0000001f b6f67e00 00000004 00000001 00000000 00020000 bedc7a54 # [ 129.623207] ffe0: 00000004 bedc7788 b6ed24cf b6e587e6 # [ 129.628332] irq event stamp: 0 # [ 129.631404] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 129.637025] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 129.644566] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 129.652142] softirqs last disabled at (0): [<00000000>] 0x0 # [ 129.657733] ---[ end trace cf55c2bf51e529da ]--- # [ 129.662403] 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 [ 130.105275] lkdtm: Performing direct entry REFCOUNT_INC_ZERO [ 130.111920] lkdtm: attempting safe refcount_inc_not_zero() from zero [ 130.118283] lkdtm: Good: zero detected [ 130.122075] lkdtm: Correctly stayed at zero [ 130.126269] lkdtm: attempting bad refcount_inc() from zero [ 130.131816] ------------[ cut here ]------------ [ 130.136462] WARNING: CPU: 3 PID: 2963 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 [ 130.145031] refcount_t: addition on 0; use-after-free. [ 130.150178] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb etnaviv parallel_display gpu_sched imxdrm imx_ipu_v3 [ 130.179341] CPU: 3 PID: 2963 Comm: cat Tainted: G D W 5.10.155-cip21 #1 [ 130.187092] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 130.193623] Backtrace: [ 130.196099] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 130.203679] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7b4 [ 130.209353] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 130.216679] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 130.223651] r9:00000009 r8:c086e500 r7:00000019 r6:00000009 r5:c086e500 r4:c1a24c30 [ 130.231402] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 130.238891] r7:00000019 r6:c1a24c30 r5:c1a24c40 r4:c6bb8000 [ 130.244565] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) [ 130.253618] r9:c1ad0c88 r8:c15e8634 r7:c6bb9f60 r6:00000012 r5:00000000 r4:c6bb8000 [ 130.261377] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) [ 130.271046] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_ZERO+0xa8/0xcc) [ 130.280801] [] (lkdtm_REFCOUNT_INC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) [ 130.289593] r5:c6e47000 r4:00000033 [ 130.293180] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 130.301199] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 130.309124] r9:c6bb9f60 r8:c513d000 r7:00000012 r6:b6e69000 r5:c6b1cc80 r4:c0c2f408 [ 130.316881] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 130.324720] r9:c07f5fd4 r8:c6bb9f60 r7:c2816000 r6:b6e69000 r5:c6b1cc80 r4:00000000 [ 130.332473] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 130.339616] r10:00000004 r9:00000000 r8:00000000 r7:b6e69000 r6:c6bb8000 r5:c6b1cc80 [ 130.347451] r4:c6b1cc80 [ 130.349995] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 130.357138] r9:c6bb8000 r8:c03002e4 r7:00000004 r6:b6fb0e00 r5:00000012 r4:00000012 [ 130.364894] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 130.372469] Exception stack(0xc6bb9fa8 to 0xc6bb9ff0) [ 130.377532] 9fa0: 00000012 00000012 00000001 b6e69000 00000012 00000000 [ 130.385720] 9fc0: 00000012 00000012 b6fb0e00 00000004 00000001 00000000 00020000 beb48a54 [ 130.393903] 9fe0: 00000004 beb48788 b6f1b4cf b6ea17e6 [ 130.399034] irq event stamp: 0 [ 130.402136] hardirqs last enabled at (0): [<00000000>] 0x0 [ 130.407725] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 130.415291] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 130.422834] softirqs last disabled at (0): [<00000000>] 0x0 [ 130.428428] ---[ end trace cf55c2bf51e529db ]--- [ 130.433113] lkdtm: Zero detected: saturated # [ 130.105275] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 130.111920] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 130.118283] lkdtm: Good: zero detected # [ 130.122075] lkdtm: Correctly stayed at zero # [ 130.126269] lkdtm: attempting bad refcount_inc() from zero # [ 130.131816] ------------[ cut here ]------------ # [ 130.136462] WARNING: CPU: 3 PID: 2963 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 # [ 130.145031] refcount_t: addition on 0; use-after-free. # [ 130.150178] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb etnaviv parallel_display gpu_sched imxdrm imx_ipu_v3 # [ 130.179341] CPU: 3 PID: 2963 Comm: cat Tainted: G D W 5.10.155-cip21 #1 # [ 130.187092] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 130.193623] Backtrace: # [ 130.196099] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 130.203679] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7b4 # [ 130.209353] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 130.216679] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 130.223651] r9:00000009 r8:c086e500 r7:00000019 r6:00000009 r5:c086e500 r4:c1a24c30 # [ 130.231402] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 130.238891] r7:00000019 r6:c1a24c30 r5:c1a24c40 r4:c6bb8000 # [ 130.244565] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) # [ 130.253618] r9:c1ad0c88 r8:c15e8634 r7:c6bb9f60 r6:00000012 r5:00000000 r4:c6bb8000 # [ 130.261377] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) # [ 130.271046] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_ZERO+0xa8/0xcc) # [ 130.280801] [] (lkdtm_REFCOUNT_INC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 130.289593] r5:c6e47000 r4:00000033 # [ 130.293180] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 130.301199] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 130.309124] r9:c6bb9f60 r8:c513d000 r7:00000012 r6:b6e69000 r5:c6b1cc80 r4:c0c2f408 # [ 130.316881] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 130.324720] r9:c07f5fd4 r8:c6bb9f60 r7:c2816000 r6:b6e69000 r5:c6b1cc80 r4:00000000 # [ 130.332473] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 130.339616] r10:00000004 r9:00000000 r8:00000000 r7:b6e69000 r6:c6bb8000 r5:c6b1cc80 # [ 130.347451] r4:c6b1cc80 # [ 130.349995] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 130.357138] r9:c6bb8000 r8:c03002e4 r7:00000004 r6:b6fb0e00 r5:00000012 r4:00000012 # [ 130.364894] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 130.372469] Exception stack(0xc6bb9fa8 to 0xc6bb9ff0) # [ 130.377532] 9fa0: 00000012 00000012 00000001 b6e69000 00000012 00000000 # [ 130.385720] 9fc0: 00000012 00000012 b6fb0e00 00000004 00000001 00000000 00020000 beb48a54 # [ 130.393903] 9fe0: 00000004 beb48788 b6f1b4cf b6ea17e6 # [ 130.399034] irq event stamp: 0 # [ 130.402136] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 130.407725] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 130.415291] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 130.422834] softirqs last disabled at (0): [<00000000>] 0x0 # [ 130.428428] ---[ end trace cf55c2bf51e529db ]--- # [ 130.433113] 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 [ 130.881144] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO [ 130.886948] lkdtm: attempting safe refcount_add_not_zero() from zero [ 130.893476] lkdtm: Good: zero detected [ 130.897260] lkdtm: Correctly stayed at zero [ 130.901472] lkdtm: attempting bad refcount_add() from zero [ 130.907027] ------------[ cut here ]------------ [ 130.911707] WARNING: CPU: 2 PID: 2997 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 [ 130.920241] refcount_t: addition on 0; use-after-free. [ 130.925422] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb etnaviv parallel_display gpu_sched imxdrm imx_ipu_v3 [ 130.954564] CPU: 2 PID: 2997 Comm: cat Tainted: G D W 5.10.155-cip21 #1 [ 130.962314] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 130.968845] Backtrace: [ 130.971321] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 130.978902] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7b4 [ 130.984574] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 130.991898] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 130.998869] r9:00000009 r8:c086e500 r7:00000019 r6:00000009 r5:c086e500 r4:c1a24c30 [ 131.006623] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 131.014113] r7:00000019 r6:c1a24c30 r5:c1a24c40 r4:c6a28000 [ 131.019787] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) [ 131.028840] r9:c1ad0c9c r8:c15e8634 r7:c6a29f60 r6:00000012 r5:00000000 r4:c6a28000 [ 131.036597] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) [ 131.046264] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_ZERO+0xa8/0xcc) [ 131.056022] [] (lkdtm_REFCOUNT_ADD_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) [ 131.064811] r5:c6e4c000 r4:00000034 [ 131.068401] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 131.076420] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 131.084344] r9:c6a29f60 r8:c513d000 r7:00000012 r6:b6e67000 r5:c6a13180 r4:c0c2f408 [ 131.092102] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 131.099940] r9:c07f5fd4 r8:c6a29f60 r7:c2816000 r6:b6e67000 r5:c6a13180 r4:00000000 [ 131.107692] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 131.114837] r10:00000004 r9:00000000 r8:00000000 r7:b6e67000 r6:c6a28000 r5:c6a13180 [ 131.122672] r4:c6a13180 [ 131.125217] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 131.132362] r9:c6a28000 r8:c03002e4 r7:00000004 r6:b6faee00 r5:00000012 r4:00000012 [ 131.140116] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 131.147690] Exception stack(0xc6a29fa8 to 0xc6a29ff0) [ 131.152752] 9fa0: 00000012 00000012 00000001 b6e67000 00000012 00000000 [ 131.160939] 9fc0: 00000012 00000012 b6faee00 00000004 00000001 00000000 00020000 bef14a54 [ 131.169124] 9fe0: 00000004 bef14788 b6f194cf b6e9f7e6 [ 131.174255] irq event stamp: 0 [ 131.177327] hardirqs last enabled at (0): [<00000000>] 0x0 [ 131.182940] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 131.190466] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 131.198033] softirqs last disabled at (0): [<00000000>] 0x0 [ 131.203652] ---[ end trace cf55c2bf51e529dc ]--- [ 131.208287] lkdtm: Zero detected: saturated # [ 130.881144] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 130.886948] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 130.893476] lkdtm: Good: zero detected # [ 130.897260] lkdtm: Correctly stayed at zero # [ 130.901472] lkdtm: attempting bad refcount_add() from zero # [ 130.907027] ------------[ cut here ]------------ # [ 130.911707] WARNING: CPU: 2 PID: 2997 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 # [ 130.920241] refcount_t: addition on 0; use-after-free. # [ 130.925422] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb etnaviv parallel_display gpu_sched imxdrm imx_ipu_v3 # [ 130.954564] CPU: 2 PID: 2997 Comm: cat Tainted: G D W 5.10.155-cip21 #1 # [ 130.962314] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 130.968845] Backtrace: # [ 130.971321] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 130.978902] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7b4 # [ 130.984574] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 130.991898] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 130.998869] r9:00000009 r8:c086e500 r7:00000019 r6:00000009 r5:c086e500 r4:c1a24c30 # [ 131.006623] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 131.014113] r7:00000019 r6:c1a24c30 r5:c1a24c40 r4:c6a28000 # [ 131.019787] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) # [ 131.028840] r9:c1ad0c9c r8:c15e8634 r7:c6a29f60 r6:00000012 r5:00000000 r4:c6a28000 # [ 131.036597] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) # [ 131.046264] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_ZERO+0xa8/0xcc) # [ 131.056022] [] (lkdtm_REFCOUNT_ADD_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 131.064811] r5:c6e4c000 r4:00000034 # [ 131.068401] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 131.076420] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 131.084344] r9:c6a29f60 r8:c513d000 r7:00000012 r6:b6e67000 r5:c6a13180 r4:c0c2f408 # [ 131.092102] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 131.099940] r9:c07f5fd4 r8:c6a29f60 r7:c2816000 r6:b6e67000 r5:c6a13180 r4:00000000 # [ 131.107692] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 131.114837] r10:00000004 r9:00000000 r8:00000000 r7:b6e67000 r6:c6a28000 r5:c6a13180 # [ 131.122672] r4:c6a13180 # [ 131.125217] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 131.132362] r9:c6a28000 r8:c03002e4 r7:00000004 r6:b6faee00 r5:00000012 r4:00000012 # [ 131.140116] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 131.147690] Exception stack(0xc6a29fa8 to 0xc6a29ff0) # [ 131.152752] 9fa0: 00000012 00000012 00000001 b6e67000 00000012 00000000 # [ 131.160939] 9fc0: 00000012 00000012 b6faee00 00000004 00000001 00000000 00020000 bef14a54 # [ 131.169124] 9fe0: 00000004 bef14788 b6f194cf b6e9f7e6 # [ 131.174255] irq event stamp: 0 # [ 131.177327] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 131.182940] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 131.190466] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 131.198033] softirqs last disabled at (0): [<00000000>] 0x0 # [ 131.203652] ---[ end trace cf55c2bf51e529dc ]--- # [ 131.208287] 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 [ 131.678530] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED [ 131.684709] lkdtm: attempting bad refcount_inc() from saturated [ 131.690644] ------------[ cut here ]------------ [ 131.695490] WARNING: CPU: 1 PID: 3034 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 [ 131.704008] refcount_t: saturated; leaking memory. [ 131.708810] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb etnaviv parallel_display gpu_sched imxdrm imx_ipu_v3 [ 131.737973] CPU: 1 PID: 3034 Comm: cat Tainted: G D W 5.10.155-cip21 #1 [ 131.745723] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 131.752256] Backtrace: [ 131.754734] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 131.762315] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7b4 [ 131.767988] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 131.775313] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 131.782284] r9:00000009 r8:c086e4cc r7:00000016 r6:00000009 r5:c086e4cc r4:c1a24c30 [ 131.790039] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 131.797528] r7:00000016 r6:c1a24c30 r5:c1a24c08 r4:c6978000 [ 131.803204] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) [ 131.812171] r9:c1ad0cb0 r8:c15e8634 r7:c6979f60 r6:00000017 r5:c6ca9000 r4:c6978000 [ 131.819929] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) [ 131.829598] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_SATURATED+0x4c/0x70) [ 131.839788] [] (lkdtm_REFCOUNT_INC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) [ 131.849012] r4:00000035 [ 131.851558] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 131.859577] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 131.867502] r9:c6979f60 r8:c513d000 r7:00000017 r6:b6dc1000 r5:c6a12280 r4:c0c2f408 [ 131.875260] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 131.883101] r9:c07f5fd4 r8:c6979f60 r7:c2816000 r6:b6dc1000 r5:c6a12280 r4:00000000 [ 131.890853] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 131.897996] r10:00000004 r9:00000000 r8:00000000 r7:b6dc1000 r6:c6978000 r5:c6a12280 [ 131.905828] r4:c6a12280 [ 131.908371] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 131.915514] r9:c6978000 r8:c03002e4 r7:00000004 r6:b6f08e00 r5:00000017 r4:00000017 [ 131.923270] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 131.930845] Exception stack(0xc6979fa8 to 0xc6979ff0) [ 131.935906] 9fa0: 00000017 00000017 00000001 b6dc1000 00000017 00000000 [ 131.944093] 9fc0: 00000017 00000017 b6f08e00 00000004 00000001 00000000 00020000 bea09a54 [ 131.952277] 9fe0: 00000004 bea09788 b6e734cf b6df97e6 [ 131.957383] irq event stamp: 0 [ 131.960457] hardirqs last enabled at (0): [<00000000>] 0x0 [ 131.966071] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 131.973612] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 131.981134] softirqs last disabled at (0): [<00000000>] 0x0 [ 131.986758] ---[ end trace cf55c2bf51e529dd ]--- [ 131.991393] lkdtm: Saturation detected: still saturated # [ 131.678530] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 131.684709] lkdtm: attempting bad refcount_inc() from saturated # [ 131.690644] ------------[ cut here ]------------ # [ 131.695490] WARNING: CPU: 1 PID: 3034 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 131.704008] refcount_t: saturated; leaking memory. # [ 131.708810] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb etnaviv parallel_display gpu_sched imxdrm imx_ipu_v3 # [ 131.737973] CPU: 1 PID: 3034 Comm: cat Tainted: G D W 5.10.155-cip21 #1 # [ 131.745723] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 131.752256] Backtrace: # [ 131.754734] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 131.762315] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7b4 # [ 131.767988] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 131.775313] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 131.782284] r9:00000009 r8:c086e4cc r7:00000016 r6:00000009 r5:c086e4cc r4:c1a24c30 # [ 131.790039] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 131.797528] r7:00000016 r6:c1a24c30 r5:c1a24c08 r4:c6978000 # [ 131.803204] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 131.812171] r9:c1ad0cb0 r8:c15e8634 r7:c6979f60 r6:00000017 r5:c6ca9000 r4:c6978000 # [ 131.819929] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 131.829598] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_SATURATED+0x4c/0x70) # [ 131.839788] [] (lkdtm_REFCOUNT_INC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 131.849012] r4:00000035 # [ 131.851558] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 131.859577] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 131.867502] r9:c6979f60 r8:c513d000 r7:00000017 r6:b6dc1000 r5:c6a12280 r4:c0c2f408 # [ 131.875260] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 131.883101] r9:c07f5fd4 r8:c6979f60 r7:c2816000 r6:b6dc1000 r5:c6a12280 r4:00000000 # [ 131.890853] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 131.897996] r10:00000004 r9:00000000 r8:00000000 r7:b6dc1000 r6:c6978000 r5:c6a12280 # [ 131.905828] r4:c6a12280 # [ 131.908371] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 131.915514] r9:c6978000 r8:c03002e4 r7:00000004 r6:b6f08e00 r5:00000017 r4:00000017 # [ 131.923270] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 131.930845] Exception stack(0xc6979fa8 to 0xc6979ff0) # [ 131.935906] 9fa0: 00000017 00000017 00000001 b6dc1000 00000017 00000000 # [ 131.944093] 9fc0: 00000017 00000017 b6f08e00 00000004 00000001 00000000 00020000 bea09a54 # [ 131.952277] 9fe0: 00000004 bea09788 b6e734cf b6df97e6 # [ 131.957383] irq event stamp: 0 # [ 131.960457] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 131.966071] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 131.973612] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 131.981134] softirqs last disabled at (0): [<00000000>] 0x0 # [ 131.986758] ---[ end trace cf55c2bf51e529dd ]--- # [ 131.991393] 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 [ 132.461004] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED [ 132.467162] lkdtm: attempting bad refcount_dec() from saturated [ 132.473149] ------------[ cut here ]------------ [ 132.477797] WARNING: CPU: 2 PID: 3069 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 [ 132.486294] refcount_t: decrement hit 0; leaking memory. [ 132.491616] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb etnaviv parallel_display gpu_sched imxdrm imx_ipu_v3 [ 132.520799] CPU: 2 PID: 3069 Comm: cat Tainted: G D W 5.10.155-cip21 #1 [ 132.528548] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 132.535081] Backtrace: [ 132.537559] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 132.545139] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7b4 [ 132.550812] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 132.558137] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 132.565108] r9:00000009 r8:c086e464 r7:0000001f r6:00000009 r5:c086e464 r4:c1a24c30 [ 132.572865] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 132.580355] r7:0000001f r6:c1a24c30 r5:c1a24c94 r4:c5a40000 [ 132.586031] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) [ 132.594998] r9:c1ad0cc8 r8:c15e8634 r7:c5a41f60 r6:00000017 r5:c6afb000 r4:c5a40000 [ 132.602755] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) [ 132.612419] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_SATURATED+0x48/0x6c) [ 132.622611] [] (lkdtm_REFCOUNT_DEC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) [ 132.631834] r4:00000036 [ 132.634379] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 132.642396] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 132.650321] r9:c5a41f60 r8:c513d000 r7:00000017 r6:b6db6000 r5:c6b1f180 r4:c0c2f408 [ 132.658080] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 132.665918] r9:c07f5fd4 r8:c5a41f60 r7:c2816000 r6:b6db6000 r5:c6b1f180 r4:00000000 [ 132.673670] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 132.680814] r10:00000004 r9:00000000 r8:00000000 r7:b6db6000 r6:c5a40000 r5:c6b1f180 [ 132.688647] r4:c6b1f180 [ 132.691192] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 132.698335] r9:c5a40000 r8:c03002e4 r7:00000004 r6:b6efde00 r5:00000017 r4:00000017 [ 132.706089] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 132.713664] Exception stack(0xc5a41fa8 to 0xc5a41ff0) [ 132.718725] 1fa0: 00000017 00000017 00000001 b6db6000 00000017 00000000 [ 132.726912] 1fc0: 00000017 00000017 b6efde00 00000004 00000001 00000000 00020000 befdea54 [ 132.735097] 1fe0: 00000004 befde788 b6e684cf b6dee7e6 [ 132.740221] irq event stamp: 0 [ 132.743316] hardirqs last enabled at (0): [<00000000>] 0x0 [ 132.748906] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 132.756441] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 132.763990] softirqs last disabled at (0): [<00000000>] 0x0 [ 132.769585] ---[ end trace cf55c2bf51e529de ]--- [ 132.774246] lkdtm: Saturation detected: still saturated # [ 132.461004] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 132.467162] lkdtm: attempting bad refcount_dec() from saturated # [ 132.473149] ------------[ cut here ]------------ # [ 132.477797] WARNING: CPU: 2 PID: 3069 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 # [ 132.486294] refcount_t: decrement hit 0; leaking memory. # [ 132.491616] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb etnaviv parallel_display gpu_sched imxdrm imx_ipu_v3 # [ 132.520799] CPU: 2 PID: 3069 Comm: cat Tainted: G D W 5.10.155-cip21 #1 # [ 132.528548] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 132.535081] Backtrace: # [ 132.537559] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 132.545139] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7b4 # [ 132.550812] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 132.558137] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 132.565108] r9:00000009 r8:c086e464 r7:0000001f r6:00000009 r5:c086e464 r4:c1a24c30 # [ 132.572865] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 132.580355] r7:0000001f r6:c1a24c30 r5:c1a24c94 r4:c5a40000 # [ 132.586031] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) # [ 132.594998] r9:c1ad0cc8 r8:c15e8634 r7:c5a41f60 r6:00000017 r5:c6afb000 r4:c5a40000 # [ 132.602755] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) # [ 132.612419] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_SATURATED+0x48/0x6c) # [ 132.622611] [] (lkdtm_REFCOUNT_DEC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 132.631834] r4:00000036 # [ 132.634379] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 132.642396] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 132.650321] r9:c5a41f60 r8:c513d000 r7:00000017 r6:b6db6000 r5:c6b1f180 r4:c0c2f408 # [ 132.658080] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 132.665918] r9:c07f5fd4 r8:c5a41f60 r7:c2816000 r6:b6db6000 r5:c6b1f180 r4:00000000 # [ 132.673670] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 132.680814] r10:00000004 r9:00000000 r8:00000000 r7:b6db6000 r6:c5a40000 r5:c6b1f180 # [ 132.688647] r4:c6b1f180 # [ 132.691192] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 132.698335] r9:c5a40000 r8:c03002e4 r7:00000004 r6:b6efde00 r5:00000017 r4:00000017 # [ 132.706089] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 132.713664] Exception stack(0xc5a41fa8 to 0xc5a41ff0) # [ 132.718725] 1fa0: 00000017 00000017 00000001 b6db6000 00000017 00000000 # [ 132.726912] 1fc0: 00000017 00000017 b6efde00 00000004 00000001 00000000 00020000 befdea54 # [ 132.735097] 1fe0: 00000004 befde788 b6e684cf b6dee7e6 # [ 132.740221] irq event stamp: 0 # [ 132.743316] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 132.748906] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 132.756441] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 132.763990] softirqs last disabled at (0): [<00000000>] 0x0 # [ 132.769585] ---[ end trace cf55c2bf51e529de ]--- # [ 132.774246] 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 [ 133.246933] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED [ 133.253131] lkdtm: attempting bad refcount_dec() from saturated [ 133.259070] ------------[ cut here ]------------ [ 133.263904] WARNING: CPU: 2 PID: 3104 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 [ 133.272406] refcount_t: saturated; leaking memory. [ 133.277209] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb etnaviv parallel_display gpu_sched imxdrm imx_ipu_v3 [ 133.306369] CPU: 2 PID: 3104 Comm: cat Tainted: G D W 5.10.155-cip21 #1 [ 133.314121] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 133.320653] Backtrace: [ 133.323130] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 133.330710] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7b4 [ 133.336381] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 133.343706] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 133.350678] r9:00000009 r8:c086e4cc r7:00000016 r6:00000009 r5:c086e4cc r4:c1a24c30 [ 133.358433] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 133.365921] r7:00000016 r6:c1a24c30 r5:c1a24c08 r4:c696e000 [ 133.371596] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) [ 133.380563] r9:c1ad0ce0 r8:c15e8634 r7:c696ff60 r6:00000017 r5:c6afb000 r4:c696e000 [ 133.388322] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) [ 133.397989] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_SATURATED+0x4c/0x70) [ 133.408178] [] (lkdtm_REFCOUNT_ADD_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) [ 133.417402] r4:00000037 [ 133.419948] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 133.427967] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 133.435893] r9:c696ff60 r8:c513d000 r7:00000017 r6:b6e81000 r5:c6b1eb40 r4:c0c2f408 [ 133.443649] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 133.451488] r9:c07f5fd4 r8:c696ff60 r7:c2816000 r6:b6e81000 r5:c6b1eb40 r4:00000000 [ 133.459240] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 133.466383] r10:00000004 r9:00000000 r8:00000000 r7:b6e81000 r6:c696e000 r5:c6b1eb40 [ 133.474217] r4:c6b1eb40 [ 133.476759] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 133.483902] r9:c696e000 r8:c03002e4 r7:00000004 r6:b6fc8e00 r5:00000017 r4:00000017 [ 133.491659] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 133.499234] Exception stack(0xc696ffa8 to 0xc696fff0) [ 133.504297] ffa0: 00000017 00000017 00000001 b6e81000 00000017 00000000 [ 133.512482] ffc0: 00000017 00000017 b6fc8e00 00000004 00000001 00000000 00020000 be9fba54 [ 133.520666] ffe0: 00000004 be9fb788 b6f334cf b6eb97e6 [ 133.525768] irq event stamp: 0 [ 133.528839] hardirqs last enabled at (0): [<00000000>] 0x0 [ 133.534455] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 133.541995] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 133.549499] softirqs last disabled at (0): [<00000000>] 0x0 [ 133.555120] ---[ end trace cf55c2bf51e529df ]--- [ 133.559754] lkdtm: Saturation detected: still saturated # [ 133.246933] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 133.253131] lkdtm: attempting bad refcount_dec() from saturated # [ 133.259070] ------------[ cut here ]------------ # [ 133.263904] WARNING: CPU: 2 PID: 3104 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 133.272406] refcount_t: saturated; leaking memory. # [ 133.277209] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb etnaviv parallel_display gpu_sched imxdrm imx_ipu_v3 # [ 133.306369] CPU: 2 PID: 3104 Comm: cat Tainted: G D W 5.10.155-cip21 #1 # [ 133.314121] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 133.320653] Backtrace: # [ 133.323130] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 133.330710] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7b4 # [ 133.336381] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 133.343706] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 133.350678] r9:00000009 r8:c086e4cc r7:00000016 r6:00000009 r5:c086e4cc r4:c1a24c30 # [ 133.358433] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 133.365921] r7:00000016 r6:c1a24c30 r5:c1a24c08 r4:c696e000 # [ 133.371596] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 133.380563] r9:c1ad0ce0 r8:c15e8634 r7:c696ff60 r6:00000017 r5:c6afb000 r4:c696e000 # [ 133.388322] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 133.397989] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_SATURATED+0x4c/0x70) # [ 133.408178] [] (lkdtm_REFCOUNT_ADD_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 133.417402] r4:00000037 # [ 133.419948] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 133.427967] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 133.435893] r9:c696ff60 r8:c513d000 r7:00000017 r6:b6e81000 r5:c6b1eb40 r4:c0c2f408 # [ 133.443649] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 133.451488] r9:c07f5fd4 r8:c696ff60 r7:c2816000 r6:b6e81000 r5:c6b1eb40 r4:00000000 # [ 133.459240] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 133.466383] r10:00000004 r9:00000000 r8:00000000 r7:b6e81000 r6:c696e000 r5:c6b1eb40 # [ 133.474217] r4:c6b1eb40 # [ 133.476759] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 133.483902] r9:c696e000 r8:c03002e4 r7:00000004 r6:b6fc8e00 r5:00000017 r4:00000017 # [ 133.491659] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 133.499234] Exception stack(0xc696ffa8 to 0xc696fff0) # [ 133.504297] ffa0: 00000017 00000017 00000001 b6e81000 00000017 00000000 # [ 133.512482] ffc0: 00000017 00000017 b6fc8e00 00000004 00000001 00000000 00020000 be9fba54 # [ 133.520666] ffe0: 00000004 be9fb788 b6f334cf b6eb97e6 # [ 133.525768] irq event stamp: 0 # [ 133.528839] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 133.534455] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 133.541995] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 133.549499] softirqs last disabled at (0): [<00000000>] 0x0 # [ 133.555120] ---[ end trace cf55c2bf51e529df ]--- # [ 133.559754] 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 [ 134.014876] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED [ 134.021820] lkdtm: attempting bad refcount_inc_not_zero() from saturated [ 134.028533] ------------[ cut here ]------------ [ 134.033244] WARNING: CPU: 1 PID: 3136 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 [ 134.041726] refcount_t: saturated; leaking memory. [ 134.046527] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb etnaviv parallel_display gpu_sched imxdrm imx_ipu_v3 [ 134.075708] CPU: 1 PID: 3136 Comm: cat Tainted: G D W 5.10.155-cip21 #1 [ 134.083459] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 134.089990] Backtrace: [ 134.092468] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 134.100048] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7b4 [ 134.105725] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 134.113051] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 134.120023] r9:00000009 r8:c086e498 r7:00000013 r6:00000009 r5:c086e498 r4:c1a24c30 [ 134.127777] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 134.135267] r7:00000013 r6:c1a24c30 r5:c1a24c08 r4:c6cc6000 [ 134.140942] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) [ 134.149910] r9:c1ad0cf8 r8:c15e8634 r7:c6cc7f60 r6:00000020 r5:c5fe6000 r4:c0000000 [ 134.157672] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) [ 134.168120] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x50/0x88) [ 134.179862] r5:c5fe6000 r4:c6cc6000 [ 134.183455] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) [ 134.193459] r4:00000038 [ 134.196005] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 134.204024] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 134.211950] r9:c6cc7f60 r8:c513d000 r7:00000020 r6:b6e84000 r5:c680cb40 r4:c0c2f408 [ 134.219708] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 134.227547] r9:c07f5fd4 r8:c6cc7f60 r7:c2816000 r6:b6e84000 r5:c680cb40 r4:00000000 [ 134.235300] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 134.242443] r10:00000004 r9:00000000 r8:00000000 r7:b6e84000 r6:c6cc6000 r5:c680cb40 [ 134.250278] r4:c680cb40 [ 134.252821] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 134.259964] r9:c6cc6000 r8:c03002e4 r7:00000004 r6:b6fcbe00 r5:00000020 r4:00000020 [ 134.267719] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 134.275294] Exception stack(0xc6cc7fa8 to 0xc6cc7ff0) [ 134.280355] 7fa0: 00000020 00000020 00000001 b6e84000 00000020 00000000 [ 134.288542] 7fc0: 00000020 00000020 b6fcbe00 00000004 00000001 00000000 00020000 bed1ca54 [ 134.296724] 7fe0: 00000004 bed1c788 b6f364cf b6ebc7e6 [ 134.301835] irq event stamp: 0 [ 134.304910] hardirqs last enabled at (0): [<00000000>] 0x0 [ 134.310499] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 134.318081] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 134.325622] softirqs last disabled at (0): [<00000000>] 0x0 [ 134.331211] ---[ end trace cf55c2bf51e529e0 ]--- [ 134.335880] lkdtm: Saturation detected: still saturated # [ 0.000000] Rude variant of Tasks RCU enabled. # [ 0.000000] Tracing variant of Tasks RCU enabled. # [ 134.014876] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 134.021820] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 134.028533] ------------[ cut here ]------------ # [ 134.033244] WARNING: CPU: 1 PID: 3136 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 134.041726] refcount_t: saturated; leaking memory. # [ 134.046527] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb etnaviv parallel_display gpu_sched imxdrm imx_ipu_v3 # [ 134.075708] CPU: 1 PID: 3136 Comm: cat Tainted: G D W 5.10.155-cip21 #1 # [ 134.083459] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 134.089990] Backtrace: # [ 134.092468] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 134.100048] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7b4 # [ 134.105725] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 134.113051] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 134.120023] r9:00000009 r8:c086e498 r7:00000013 r6:00000009 r5:c086e498 r4:c1a24c30 # [ 134.127777] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 134.135267] r7:00000013 r6:c1a24c30 r5:c1a24c08 r4:c6cc6000 # [ 134.140942] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 134.149910] r9:c1ad0cf8 r8:c15e8634 r7:c6cc7f60 r6:00000020 r5:c5fe6000 r4:c0000000 # [ 134.157672] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 134.168120] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x50/0x88) # [ 134.179862] r5:c5fe6000 r4:c6cc6000 # [ 134.183455] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 134.193459] r4:00000038 # [ 134.196005] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 134.204024] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 134.211950] r9:c6cc7f60 r8:c513d000 r7:00000020 r6:b6e84000 r5:c680cb40 r4:c0c2f408 # [ 134.219708] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 134.227547] r9:c07f5fd4 r8:c6cc7f60 r7:c2816000 r6:b6e84000 r5:c680cb40 r4:00000000 # [ 134.235300] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 134.242443] r10:00000004 r9:00000000 r8:00000000 r7:b6e84000 r6:c6cc6000 r5:c680cb40 # [ 134.250278] r4:c680cb40 # [ 134.252821] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 134.259964] r9:c6cc6000 r8:c03002e4 r7:00000004 r6:b6fcbe00 r5:00000020 r4:00000020 # [ 134.267719] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 134.275294] Exception stack(0xc6cc7fa8 to 0xc6cc7ff0) # [ 134.280355] 7fa0: 00000020 00000020 00000001 b6e84000 00000020 00000000 # [ 134.288542] 7fc0: 00000020 00000020 b6fcbe00 00000004 00000001 00000000 00020000 bed1ca54 # [ 134.296724] 7fe0: 00000004 bed1c788 b6f364cf b6ebc7e6 # [ 134.301835] irq event stamp: 0 # [ 134.304910] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 134.310499] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 134.318081] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 134.325622] softirqs last disabled at (0): [<00000000>] 0x0 # [ 134.331211] ---[ end trace cf55c2bf51e529e0 ]--- # [ 134.335880] 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 [ 134.802361] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED [ 134.809257] lkdtm: attempting bad refcount_add_not_zero() from saturated [ 134.816125] ------------[ cut here ]------------ [ 134.820804] WARNING: CPU: 3 PID: 3170 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 [ 134.829354] refcount_t: saturated; leaking memory. [ 134.834256] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb etnaviv parallel_display gpu_sched imxdrm imx_ipu_v3 [ 134.863732] CPU: 3 PID: 3170 Comm: cat Tainted: G D W 5.10.155-cip21 #1 [ 134.871481] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 134.878013] Backtrace: [ 134.880488] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 134.888068] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7b4 [ 134.893742] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 134.901066] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 134.908039] r9:00000009 r8:c086e498 r7:00000013 r6:00000009 r5:c086e498 r4:c1a24c30 [ 134.915794] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 134.923286] r7:00000013 r6:c1a24c30 r5:c1a24c08 r4:c6bdc000 [ 134.928962] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) [ 134.937931] r9:c1ad0d18 r8:c15e8634 r7:c6bddf60 r6:00000020 r5:c6e45000 r4:c0000000 [ 134.945692] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) [ 134.956142] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x50/0x88) [ 134.967882] r5:c6e45000 r4:c6bdc000 [ 134.971477] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) [ 134.981482] r4:00000039 [ 134.984029] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 134.992047] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 134.999973] r9:c6bddf60 r8:c513d000 r7:00000020 r6:b6dbd000 r5:c5ab0c80 r4:c0c2f408 [ 135.007731] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 135.015570] r9:c07f5fd4 r8:c6bddf60 r7:c2816000 r6:b6dbd000 r5:c5ab0c80 r4:00000000 [ 135.023322] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 135.030467] r10:00000004 r9:00000000 r8:00000000 r7:b6dbd000 r6:c6bdc000 r5:c5ab0c80 [ 135.038299] r4:c5ab0c80 [ 135.040845] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 135.047989] r9:c6bdc000 r8:c03002e4 r7:00000004 r6:b6f04e00 r5:00000020 r4:00000020 [ 135.055745] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 135.063321] Exception stack(0xc6bddfa8 to 0xc6bddff0) [ 135.068384] dfa0: 00000020 00000020 00000001 b6dbd000 00000020 00000000 [ 135.076570] dfc0: 00000020 00000020 b6f04e00 00000004 00000001 00000000 00020000 bed7ea54 [ 135.084753] dfe0: 00000004 bed7e788 b6e6f4cf b6df57e6 [ 135.089844] irq event stamp: 0 [ 135.092938] hardirqs last enabled at (0): [<00000000>] 0x0 [ 135.098528] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 135.106065] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 135.113615] softirqs last disabled at (0): [<00000000>] 0x0 [ 135.119204] ---[ end trace cf55c2bf51e529e1 ]--- [ 135.123883] lkdtm: Saturation detected: still saturated # [ 134.802361] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 134.809257] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 134.816125] ------------[ cut here ]------------ # [ 134.820804] WARNING: CPU: 3 PID: 3170 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 134.829354] refcount_t: saturated; leaking memory. # [ 134.834256] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb etnaviv parallel_display gpu_sched imxdrm imx_ipu_v3 # [ 134.863732] CPU: 3 PID: 3170 Comm: cat Tainted: G D W 5.10.155-cip21 #1 # [ 134.871481] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 134.878013] Backtrace: # [ 134.880488] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 134.888068] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7b4 # [ 134.893742] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 134.901066] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 134.908039] r9:00000009 r8:c086e498 r7:00000013 r6:00000009 r5:c086e498 r4:c1a24c30 # [ 134.915794] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 134.923286] r7:00000013 r6:c1a24c30 r5:c1a24c08 r4:c6bdc000 # [ 134.928962] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 134.937931] r9:c1ad0d18 r8:c15e8634 r7:c6bddf60 r6:00000020 r5:c6e45000 r4:c0000000 # [ 134.945692] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 134.956142] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x50/0x88) # [ 134.967882] r5:c6e45000 r4:c6bdc000 # [ 134.971477] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 134.981482] r4:00000039 # [ 134.984029] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 134.992047] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 134.999973] r9:c6bddf60 r8:c513d000 r7:00000020 r6:b6dbd000 r5:c5ab0c80 r4:c0c2f408 # [ 135.007731] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 135.015570] r9:c07f5fd4 r8:c6bddf60 r7:c2816000 r6:b6dbd000 r5:c5ab0c80 r4:00000000 # [ 135.023322] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 135.030467] r10:00000004 r9:00000000 r8:00000000 r7:b6dbd000 r6:c6bdc000 r5:c5ab0c80 # [ 135.038299] r4:c5ab0c80 # [ 135.040845] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 135.047989] r9:c6bdc000 r8:c03002e4 r7:00000004 r6:b6f04e00 r5:00000020 r4:00000020 # [ 135.055745] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 135.063321] Exception stack(0xc6bddfa8 to 0xc6bddff0) # [ 135.068384] dfa0: 00000020 00000020 00000001 b6dbd000 00000020 00000000 # [ 135.076570] dfc0: 00000020 00000020 b6f04e00 00000004 00000001 00000000 00020000 bed7ea54 # [ 135.084753] dfe0: 00000004 bed7e788 b6e6f4cf b6df57e6 # [ 135.089844] irq event stamp: 0 # [ 135.092938] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 135.098528] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 135.106065] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 135.113615] softirqs last disabled at (0): [<00000000>] 0x0 # [ 135.119204] ---[ end trace cf55c2bf51e529e1 ]--- # [ 135.123883] 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 [ 135.608831] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED [ 135.615801] lkdtm: attempting bad refcount_dec_and_test() from saturated [ 135.622556] ------------[ cut here ]------------ [ 135.627205] WARNING: CPU: 2 PID: 3207 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 [ 135.635772] refcount_t: underflow; use-after-free. [ 135.640574] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb etnaviv parallel_display gpu_sched imxdrm imx_ipu_v3 [ 135.669730] CPU: 2 PID: 3207 Comm: cat Tainted: G D W 5.10.155-cip21 #1 [ 135.677480] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 135.684013] Backtrace: [ 135.686488] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 135.694066] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7b4 [ 135.699741] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 135.707066] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 135.714038] r9:00000009 r8:c086e534 r7:0000001c r6:00000009 r5:c086e534 r4:c1a24c30 [ 135.721792] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 135.729281] r7:0000001c r6:c1a24c30 r5:c1a24c6c r4:c69d0000 [ 135.734956] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) [ 135.744011] r9:c1ad0d38 r8:c15e8634 r7:c69d1f60 r6:00000020 r5:c6afb000 r4:c69d0000 [ 135.751770] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) [ 135.762220] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x50/0x88) [ 135.773974] [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) [ 135.783979] r4:0000003a [ 135.786523] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 135.794543] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 135.802468] r9:c69d1f60 r8:c513d000 r7:00000020 r6:b6eb0000 r5:c6b1f040 r4:c0c2f408 [ 135.810228] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 135.818066] r9:c07f5fd4 r8:c69d1f60 r7:c2816000 r6:b6eb0000 r5:c6b1f040 r4:00000000 [ 135.825818] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 135.832964] r10:00000004 r9:00000000 r8:00000000 r7:b6eb0000 r6:c69d0000 r5:c6b1f040 [ 135.840800] r4:c6b1f040 [ 135.843346] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 135.850491] r9:c69d0000 r8:c03002e4 r7:00000004 r6:b6ff7e00 r5:00000020 r4:00000020 [ 135.858249] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 135.865823] Exception stack(0xc69d1fa8 to 0xc69d1ff0) [ 135.870887] 1fa0: 00000020 00000020 00000001 b6eb0000 00000020 00000000 [ 135.879076] 1fc0: 00000020 00000020 b6ff7e00 00000004 00000001 00000000 00020000 bee96a54 [ 135.887262] 1fe0: 00000004 bee96788 b6f624cf b6ee87e6 [ 135.892386] irq event stamp: 0 [ 135.895462] hardirqs last enabled at (0): [<00000000>] 0x0 [ 135.901054] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 135.908617] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 135.916172] softirqs last disabled at (0): [<00000000>] 0x0 [ 135.921795] ---[ end trace cf55c2bf51e529e2 ]--- [ 135.926427] lkdtm: Saturation detected: still saturated # [ 135.608831] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 135.615801] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 135.622556] ------------[ cut here ]------------ # [ 135.627205] WARNING: CPU: 2 PID: 3207 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 135.635772] refcount_t: underflow; use-after-free. # [ 135.640574] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb etnaviv parallel_display gpu_sched imxdrm imx_ipu_v3 # [ 135.669730] CPU: 2 PID: 3207 Comm: cat Tainted: G D W 5.10.155-cip21 #1 # [ 135.677480] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 135.684013] Backtrace: # [ 135.686488] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 135.694066] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7b4 # [ 135.699741] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 135.707066] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 135.714038] r9:00000009 r8:c086e534 r7:0000001c r6:00000009 r5:c086e534 r4:c1a24c30 # [ 135.721792] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 135.729281] r7:0000001c r6:c1a24c30 r5:c1a24c6c r4:c69d0000 # [ 135.734956] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 135.744011] r9:c1ad0d38 r8:c15e8634 r7:c69d1f60 r6:00000020 r5:c6afb000 r4:c69d0000 # [ 135.751770] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 135.762220] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x50/0x88) # [ 135.773974] [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 135.783979] r4:0000003a # [ 135.786523] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 135.794543] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 135.802468] r9:c69d1f60 r8:c513d000 r7:00000020 r6:b6eb0000 r5:c6b1f040 r4:c0c2f408 # [ 135.810228] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 135.818066] r9:c07f5fd4 r8:c69d1f60 r7:c2816000 r6:b6eb0000 r5:c6b1f040 r4:00000000 # [ 135.825818] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 135.832964] r10:00000004 r9:00000000 r8:00000000 r7:b6eb0000 r6:c69d0000 r5:c6b1f040 # [ 135.840800] r4:c6b1f040 # [ 135.843346] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 135.850491] r9:c69d0000 r8:c03002e4 r7:00000004 r6:b6ff7e00 r5:00000020 r4:00000020 # [ 135.858249] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 135.865823] Exception stack(0xc69d1fa8 to 0xc69d1ff0) # [ 135.870887] 1fa0: 00000020 00000020 00000001 b6eb0000 00000020 00000000 # [ 135.879076] 1fc0: 00000020 00000020 b6ff7e00 00000004 00000001 00000000 00020000 bee96a54 # [ 135.887262] 1fe0: 00000004 bee96788 b6f624cf b6ee87e6 # [ 135.892386] irq event stamp: 0 # [ 135.895462] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 135.901054] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 135.908617] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 135.916172] softirqs last disabled at (0): [<00000000>] 0x0 # [ 135.921795] ---[ end trace cf55c2bf51e529e2 ]--- # [ 135.926427] 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 [ 136.407415] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED [ 136.414364] lkdtm: attempting bad refcount_sub_and_test() from saturated [ 136.421081] ------------[ cut here ]------------ [ 136.425854] WARNING: CPU: 2 PID: 3242 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 [ 136.434459] refcount_t: underflow; use-after-free. [ 136.439261] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb etnaviv parallel_display gpu_sched imxdrm imx_ipu_v3 [ 136.468413] CPU: 2 PID: 3242 Comm: cat Tainted: G D W 5.10.155-cip21 #1 [ 136.476164] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 136.482696] Backtrace: [ 136.485174] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 136.492754] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7b4 [ 136.498430] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 136.505755] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 136.512728] r9:00000009 r8:c086e534 r7:0000001c r6:00000009 r5:c086e534 r4:c1a24c30 [ 136.520481] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 136.527972] r7:0000001c r6:c1a24c30 r5:c1a24c6c r4:c6a28000 [ 136.533648] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) [ 136.542702] r9:c1ad0d58 r8:c15e8634 r7:c6a29f60 r6:00000020 r5:c6afb000 r4:c6a28000 [ 136.550462] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) [ 136.560913] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x50/0x88) [ 136.572669] [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) [ 136.582674] r4:0000003b [ 136.585221] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 136.593241] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 136.601167] r9:c6a29f60 r8:c513d000 r7:00000020 r6:b6e96000 r5:c6851400 r4:c0c2f408 [ 136.608926] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 136.616764] r9:c07f5fd4 r8:c6a29f60 r7:c2816000 r6:b6e96000 r5:c6851400 r4:00000000 [ 136.624516] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 136.631660] r10:00000004 r9:00000000 r8:00000000 r7:b6e96000 r6:c6a28000 r5:c6851400 [ 136.639494] r4:c6851400 [ 136.642039] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 136.649181] r9:c6a28000 r8:c03002e4 r7:00000004 r6:b6fdde00 r5:00000020 r4:00000020 [ 136.656938] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 136.664513] Exception stack(0xc6a29fa8 to 0xc6a29ff0) [ 136.669576] 9fa0: 00000020 00000020 00000001 b6e96000 00000020 00000000 [ 136.677764] 9fc0: 00000020 00000020 b6fdde00 00000004 00000001 00000000 00020000 bedb8a54 [ 136.685946] 9fe0: 00000004 bedb8788 b6f484cf b6ece7e6 [ 136.691062] irq event stamp: 0 [ 136.694158] hardirqs last enabled at (0): [<00000000>] 0x0 [ 136.699749] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 136.707325] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 136.714895] softirqs last disabled at (0): [<00000000>] 0x0 [ 136.720486] ---[ end trace cf55c2bf51e529e3 ]--- [ 136.725154] lkdtm: Saturation detected: still saturated # [ 136.407415] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 136.414364] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 136.421081] ------------[ cut here ]------------ # [ 136.425854] WARNING: CPU: 2 PID: 3242 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 136.434459] refcount_t: underflow; use-after-free. # [ 136.439261] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb etnaviv parallel_display gpu_sched imxdrm imx_ipu_v3 # [ 136.468413] CPU: 2 PID: 3242 Comm: cat Tainted: G D W 5.10.155-cip21 #1 # [ 136.476164] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 136.482696] Backtrace: # [ 136.485174] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 136.492754] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7b4 # [ 136.498430] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 136.505755] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 136.512728] r9:00000009 r8:c086e534 r7:0000001c r6:00000009 r5:c086e534 r4:c1a24c30 # [ 136.520481] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 136.527972] r7:0000001c r6:c1a24c30 r5:c1a24c6c r4:c6a28000 # [ 136.533648] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 136.542702] r9:c1ad0d58 r8:c15e8634 r7:c6a29f60 r6:00000020 r5:c6afb000 r4:c6a28000 # [ 136.550462] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 136.560913] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x50/0x88) # [ 136.572669] [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 136.582674] r4:0000003b # [ 136.585221] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 136.593241] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 136.601167] r9:c6a29f60 r8:c513d000 r7:00000020 r6:b6e96000 r5:c6851400 r4:c0c2f408 # [ 136.608926] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 136.616764] r9:c07f5fd4 r8:c6a29f60 r7:c2816000 r6:b6e96000 r5:c6851400 r4:00000000 # [ 136.624516] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 136.631660] r10:00000004 r9:00000000 r8:00000000 r7:b6e96000 r6:c6a28000 r5:c6851400 # [ 136.639494] r4:c6851400 # [ 136.642039] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 136.649181] r9:c6a28000 r8:c03002e4 r7:00000004 r6:b6fdde00 r5:00000020 r4:00000020 # [ 136.656938] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 136.664513] Exception stack(0xc6a29fa8 to 0xc6a29ff0) # [ 136.669576] 9fa0: 00000020 00000020 00000001 b6e96000 00000020 00000000 # [ 136.677764] 9fc0: 00000020 00000020 b6fdde00 00000004 00000001 00000000 00020000 bedb8a54 # [ 136.685946] 9fe0: 00000004 bedb8788 b6f484cf b6ece7e6 # [ 136.691062] irq event stamp: 0 # [ 136.694158] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 136.699749] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 136.707325] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 136.714895] softirqs last disabled at (0): [<00000000>] 0x0 # [ 136.720486] ---[ end trace cf55c2bf51e529e3 ]--- # [ 136.725154] 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 [ 137.557287] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO [ 137.563397] lkdtm: attempting good copy_to_user of correct size [ 137.569371] lkdtm: attempting bad copy_to_user of too large size # [ 137.557287] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 137.563397] lkdtm: attempting good copy_to_user of correct size # [ 137.569371] 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 [ 138.021128] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM [ 138.027393] lkdtm: attempting good copy_from_user of correct size [ 138.033711] lkdtm: attempting bad copy_from_user of too large size # [ 138.021128] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 138.027393] lkdtm: attempting good copy_from_user of correct size # [ 138.033711] 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 [ 138.463613] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO [ 138.470098] lkdtm: attempting good copy_to_user inside whitelist [ 138.476318] lkdtm: attempting bad copy_to_user outside whitelist # [ 138.463613] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 138.470098] lkdtm: attempting good copy_to_user inside whitelist # [ 138.476318] 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 [ 138.912823] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM [ 138.919482] lkdtm: attempting good copy_from_user inside whitelist [ 138.925881] lkdtm: attempting bad copy_from_user outside whitelist # [ 138.912823] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 138.919482] lkdtm: attempting good copy_from_user inside whitelist # [ 138.925881] 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 [ 139.368363] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO [ 139.374635] lkdtm: good_stack: c6bdde0c-c6bdde2c [ 139.379270] lkdtm: bad_stack : c6bddd84-c6bddda4 [ 139.384029] lkdtm: attempting good copy_to_user of local stack [ 139.389938] lkdtm: attempting bad copy_to_user of distant stack # [ 139.368363] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 139.374635] lkdtm: good_stack: c6bdde0c-c6bdde2c # [ 139.379270] lkdtm: bad_stack : c6bddd84-c6bddda4 # [ 139.384029] lkdtm: attempting good copy_to_user of local stack # [ 139.389938] 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 [ 139.842233] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM [ 139.848617] lkdtm: good_stack: c581de0c-c581de2c [ 139.853351] lkdtm: bad_stack : c581dd84-c581dda4 [ 139.858001] lkdtm: attempting good copy_from_user of local stack [ 139.864118] lkdtm: attempting bad copy_from_user of distant stack # [ 139.842233] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 139.848617] lkdtm: good_stack: c581de0c-c581de2c # [ 139.853351] lkdtm: bad_stack : c581dd84-c581dda4 # [ 139.858001] lkdtm: attempting good copy_from_user of local stack # [ 139.864118] 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 [ 140.308182] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND [ 140.314316] lkdtm: good_stack: c5c6de0c-c5c6de2c [ 140.318948] lkdtm: bad_stack : c5c6dffc-c5c6e01c [ 140.323714] lkdtm: attempting good copy_to_user of local stack [ 140.329624] lkdtm: attempting bad copy_to_user of distant stack # [ 140.308182] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 140.314316] lkdtm: good_stack: c5c6de0c-c5c6de2c # [ 140.318948] lkdtm: bad_stack : c5c6dffc-c5c6e01c # [ 140.323714] lkdtm: attempting good copy_to_user of local stack # [ 140.329624] 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 [ 140.768093] lkdtm: Performing direct entry USERCOPY_KERNEL [ 140.773692] lkdtm: attempting good copy_to_user from kernel rodata: c15e88e0 [ 140.780795] lkdtm: attempting bad copy_to_user from kernel text: c053a2ec [ 140.787688] lkdtm: FAIL: survived bad copy_to_user() # [ 140.768093] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 140.773692] lkdtm: attempting good copy_to_user from kernel rodata: c15e88e0 # [ 140.780795] lkdtm: attempting bad copy_to_user from kernel text: c053a2ec # [ 140.787688] 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 [ 141.235271] lkdtm: Performing direct entry STACKLEAK_ERASING [ 141.240951] lkdtm: checking unused part of the thread stack (7732 bytes)... [ 141.248142] lkdtm: FAIL: the erased part is not found (checked 7732 bytes) [ 141.255228] lkdtm: FAIL: the thread stack is NOT properly erased [ 141.261304] CPU: 1 PID: 3607 Comm: cat Tainted: G D W 5.10.155-cip21 #1 [ 141.269067] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 141.275619] Backtrace: [ 141.278145] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 141.285753] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7b4 [ 141.291461] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 141.298817] [] (dump_stack) from [] (lkdtm_STACKLEAK_ERASING+0x148/0x174) [ 141.307376] r9:c1ad0e60 r8:c15e8634 r7:c6a51f60 r6:c6a51e34 r5:c6a50000 r4:0000078d [ 141.315169] [] (lkdtm_STACKLEAK_ERASING) from [] (lkdtm_do_action+0x2c/0x4c) [ 141.323986] r8:c15e8634 r7:c6a51f60 r6:00000012 r5:c5d32000 r4:00000046 [ 141.330728] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 141.338776] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 141.346728] r9:c6a51f60 r8:c513d000 r7:00000012 r6:b6e17000 r5:c5ab1900 r4:c0c2f408 [ 141.354514] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 141.362376] r9:c07f5fd4 r8:c6a51f60 r7:c2816000 r6:b6e17000 r5:c5ab1900 r4:00000000 [ 141.370159] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 141.377327] r10:00000004 r9:00000000 r8:00000000 r7:b6e17000 r6:c6a50000 r5:c5ab1900 [ 141.385178] r4:c5ab1900 [ 141.387746] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 141.394914] r9:c6a50000 r8:c03002e4 r7:00000004 r6:b6f5ee00 r5:00000012 r4:00000012 [ 141.402695] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 141.410290] Exception stack(0xc6a51fa8 to 0xc6a51ff0) [ 141.415377] 1fa0: 00000012 00000012 00000001 b6e17000 00000012 00000000 [ 141.423591] 1fc0: 00000012 00000012 b6f5ee00 00000004 00000001 00000000 00020000 be863a54 [ 141.431795] 1fe0: 00000004 be863788 b6ec94cf b6e4f7e6 # [ 141.235271] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 141.240951] lkdtm: checking unused part of the thread stack (7732 bytes)... # [ 141.248142] lkdtm: FAIL: the erased part is not found (checked 7732 bytes) # [ 141.255228] lkdtm: FAIL: the thread stack is NOT properly erased # [ 141.261304] CPU: 1 PID: 3607 Comm: cat Tainted: G D W 5.10.155-cip21 #1 # [ 141.269067] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 141.275619] Backtrace: # [ 141.278145] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 141.285753] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7b4 # [ 141.291461] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 141.298817] [] (dump_stack) from [] (lkdtm_STACKLEAK_ERASING+0x148/0x174) # [ 141.307376] r9:c1ad0e60 r8:c15e8634 r7:c6a51f60 r6:c6a51e34 r5:c6a50000 r4:0000078d # [ 141.315169] [] (lkdtm_STACKLEAK_ERASING) from [] (lkdtm_do_action+0x2c/0x4c) # [ 141.323986] r8:c15e8634 r7:c6a51f60 r6:00000012 r5:c5d32000 r4:00000046 # [ 141.330728] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 141.338776] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 141.346728] r9:c6a51f60 r8:c513d000 r7:00000012 r6:b6e17000 r5:c5ab1900 r4:c0c2f408 # [ 141.354514] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 141.362376] r9:c07f5fd4 r8:c6a51f60 r7:c2816000 r6:b6e17000 r5:c5ab1900 r4:00000000 # [ 141.370159] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 141.377327] r10:00000004 r9:00000000 r8:00000000 r7:b6e17000 r6:c6a50000 r5:c5ab1900 # [ 141.385178] r4:c5ab1900 # [ 141.387746] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 141.394914] r9:c6a50000 r8:c03002e4 r7:00000004 r6:b6f5ee00 r5:00000012 r4:00000012 # [ 141.402695] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 141.410290] Exception stack(0xc6a51fa8 to 0xc6a51ff0) # [ 141.415377] 1fa0: 00000012 00000012 00000001 b6e17000 00000012 00000000 # [ 141.423591] 1fc0: 00000012 00000012 b6f5ee00 00000004 00000001 00000000 00020000 be863a54 # [ 141.431795] 1fe0: 00000004 be863788 b6ec94cf b6e4f7e6 # 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 [ 141.887795] lkdtm: Performing direct entry CFI_FORWARD_PROTO [ 141.893558] lkdtm: Calling matched prototype ... [ 141.898191] lkdtm: Calling mismatched prototype ... [ 141.903197] lkdtm: Fail: survived mismatched prototype function call! # [ 141.887795] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 141.893558] lkdtm: Calling matched prototype ... # [ 141.898191] lkdtm: Calling mismatched prototype ... # [ 141.903197] 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 / #