[Enter `^Ec?' for help] U-Boot 2021.10+dfsg-1+apertis10bv2023dev2b2 (Apr 18 2022 - 16:34:49 +0000) CPU: Freescale i.MX6Q rev1.0 at 792 MHz Reset cause: POR Model: Freescale i.MX6 Quad SABRE Lite Board Board: SABRE Lite I2C: ready DRAM: 1 GiB MMC: FSL_SDHC: 0, FSL_SDHC: 1 Loading Environment from SPIFlash... SF: Detected sst25vf016b with page size 256 Bytes, erase size 4 KiB, total 2 MiB *** Warning - bad CRC, using default environment In: serial Out: serial Err: serial Net: using phy at 6 FEC [PRIME], usb_ether Error: usb_ether address not set. starting USB... Bus usb@2184000: usb dr_mode not found Bus usb@2184200: USB EHCI 1.00 scanning bus usb@2184000 for devices... 1 USB Device(s) found scanning bus usb@2184200 for devices... 2 USB Device(s) found scanning usb for storage devices... 0 Storage Device(s) found scanning usb for ethernet devices... 0 Ethernet Device(s) found Hit any key to stop autoboot: 3  0 => setenv autoload no setenv autoload no => setenv initrd_high 0xffffffff setenv initrd_high 0xffffffff => setenv fdt_high 0xffffffff setenv fdt_high 0xffffffff => dhcp dhcp BOOTP broadcast 1 DHCP client bound to address 192.168.101.101 (3 ms) => setenv serverip 192.168.101.1 setenv serverip 192.168.101.1 => tftp 0x10000000 7147753/tftp-deploy-u7c34t8z/kernel/zImage tftp 0x10000000 7147753/tftp-deploy-u7c34t8z/kernel/zImage Using FEC device TFTP from server 192.168.101.1; our IP address is 192.168.101.101 Filename '7147753/tftp-deploy-u7c34t8z/kernel/zImage'. Load address: 0x10000000 Loading: *################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ### 2.8 MiB/s done Bytes transferred = 12448256 (bdf200 hex) => tftp 0x14000000 7147753/tftp-deploy-u7c34t8z/ramdisk/ramdisk.cpio.gz.uboot tftp 0x14000000 7147753/tftp-deploy-u7c34t8z/ramdisk/ramdisk.cpio.gz.uboot Using FEC device TFTP from server 192.168.101.1; our IP address is 192.168.101.101 Filename '7147753/tftp-deploy-u7c34t8z/ramdisk/ramdisk.cpio.gz.uboot'. Load address: 0x14000000 Loading: *################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# 2.4 MiB/s done Bytes transferred = 15265504 (e8eee0 hex) => setenv initrd_size ${filesize} setenv initrd_size ${filesize} => tftp 0x13f00000 7147753/tftp-deploy-u7c34t8z/dtb/imx6q-sabrelite.dtb tftp 0x13f00000 7147753/tftp-deploy-u7c34t8z/dtb/imx6q-sabrelite.dtb Using FEC device TFTP from server 192.168.101.1; our IP address is 192.168.101.101 Filename '7147753/tftp-deploy-u7c34t8z/dtb/imx6q-sabrelite.dtb'. Load address: 0x13f00000 Loading: *### 1.8 MiB/s done Bytes transferred = 42397 (a59d hex) => setenv bootargs 'console=ttymxc1,115200n8 root=/dev/nfs rw nfsroot=192.168.101.1:/var/lib/lava/dispatcher/tmp/7147753/extract-nfsrootfs-f5enmt1s,tcp,hard ip=dhcp' setenv bootargs 'console=ttymxc1,115200n8 root=/dev/nfs rw nfsroot=192.168.101.1:/var/lib/lava/dispatcher/tmp/7147753/extract-nfsrootfs-f5enmt1s,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: 15265440 Bytes = 14.6 MiB Load Address: 00000000 Entry Point: 00000000 Verifying Checksum ... OK ## Flattened Device Tree blob at 13f00000 Booting using the fdt blob at 0x13f00000 Using Device Tree in place at 13f00000, end 13f0d59c Starting kernel ... [ 0.000000] Booting Linux on physical CPU 0x0 [ 0.000000] Linux version 5.10.138-cip15 (KernelCI@build-j91319-arm-gcc-10-multi-v7-defconfig-kselftest-dcz5w) (arm-linux-gnueabihf-gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Wed Aug 31 11:45:13 UTC 2022 [ 0.000000] CPU: ARMv7 Processor [412fc09a] revision 10 (ARMv7), cr=10c5387d [ 0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache [ 0.000000] OF: fdt: Machine model: Freescale i.MX6 Quad SABRE Lite Board [ 0.000000] Memory policy: Data cache writealloc [ 0.000000] efi: UEFI not found. [ 0.000000] OF: fdt: Reserved memory: unsupported node format, ignoring [ 0.000000] cma: Reserved 64 MiB at 0x4c000000 [ 0.000000] Zone ranges: [ 0.000000] DMA [mem 0x0000000010000000-0x000000003fffffff] [ 0.000000] Normal empty [ 0.000000] HighMem [mem 0x0000000040000000-0x000000004fffffff] [ 0.000000] Movable zone start for each node [ 0.000000] Early memory node ranges [ 0.000000] node 0: [mem 0x0000000010000000-0x000000004fffffff] [ 0.000000] Initmem setup node 0 [mem 0x0000000010000000-0x000000004fffffff] [ 0.000000] percpu: Embedded 21 pages/cpu s55468 r8192 d22356 u86016 [ 0.000000] Built 1 zonelists, mobility grouping on. Total pages: 260608 [ 0.000000] Kernel command line: console=ttymxc1,115200n8 root=/dev/nfs rw nfsroot=192.168.101.1:/var/lib/lava/dispatcher/tmp/7147753/extract-nfsrootfs-f5enmt1s,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: 921612K/1048576K available (17408K kernel code, 2652K rwdata, 8116K rodata, 2048K init, 6694K bss, 61428K reserved, 65536K cma-reserved, 196608K highmem) [ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 [ 0.000000] ftrace: allocating 56045 entries in 165 pages [ 0.000000] ftrace: allocated 165 pages with 4 groups [ 0.000000] Running RCU self tests [ 0.000000] rcu: Hierarchical RCU implementation. [ 0.000000] rcu: RCU event tracing is enabled. [ 0.000000] rcu: RCU lockdep checking is enabled. [ 0.000000] rcu: RCU restricting CPUs from NR_CPUS=16 to nr_cpu_ids=4. [ 0.000000] Rude variant of Tasks RCU enabled. [ 0.000000] Tracing variant of Tasks RCU enabled. [ 0.000000] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. [ 0.000000] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4 [ 0.000000] NR_IRQS: 16, nr_irqs: 16, preallocated irqs: 16 [ 0.000000] L2C-310 errata 752271 769419 enabled [ 0.000000] L2C-310 enabling early BRESP for Cortex-A9 [ 0.000000] L2C-310 full line of zeros enabled for Cortex-A9 [ 0.000000] L2C-310 ID prefetch enabled, offset 16 lines [ 0.000000] L2C-310 dynamic clock gating enabled, standby mode enabled [ 0.000000] L2C-310 cache controller enabled, 16 ways, 1024 kB [ 0.000000] L2C-310: CACHE_ID 0x410000c7, AUX_CTRL 0x76470001 [ 0.000000] Switching to timer-based delay loop, resolution 15ns [ 0.000008] sched_clock: 32 bits at 66MHz, resolution 15ns, wraps every 32537631224ns [ 0.000038] clocksource: mxc_timer1: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 28958491609 ns [ 0.004476] Console: colour dummy device 80x30 [ 0.004543] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 0.004573] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 0.004600] ... MAX_LOCK_DEPTH: 48 [ 0.004626] ... MAX_LOCKDEP_KEYS: 8192 [ 0.004653] ... CLASSHASH_SIZE: 4096 [ 0.004680] ... MAX_LOCKDEP_ENTRIES: 32768 [ 0.004707] ... MAX_LOCKDEP_CHAINS: 65536 [ 0.004733] ... CHAINHASH_SIZE: 32768 [ 0.004760] memory used by lock dependency info: 4061 kB [ 0.004786] memory used for stack traces: 2112 kB [ 0.004813] per task-struct memory footprint: 1536 bytes [ 0.004912] Calibrating delay loop (skipped), value calculated using timer frequency.. 132.00 BogoMIPS (lpj=660000) [ 0.004965] pid_max: default: 32768 minimum: 301 [ 0.005348] LSM: Security Framework initializing [ 0.005462] LSM support for eBPF active [ 0.005607] Mount-cache hash table entries: 2048 (order: 1, 8192 bytes, linear) [ 0.005658] Mountpoint-cache hash table entries: 2048 (order: 1, 8192 bytes, linear) [ 0.008251] CPU: Testing write buffer coherency: ok [ 0.008374] CPU0: Spectre v2: using BPIALL workaround [ 0.009476] CPU0: thread -1, cpu 0, socket 0, mpidr 80000000 [ 0.013441] Setting up static identity map for 0x10300000 - 0x103000ac [ 0.015836] rcu: Hierarchical SRCU implementation. [ 0.025521] EFI services will not be available. [ 0.026847] smp: Bringing up secondary CPUs ... [ 0.030241] CPU1: thread -1, cpu 1, socket 0, mpidr 80000001 [ 0.030257] CPU1: Spectre v2: using BPIALL workaround [ 0.034350] CPU2: thread -1, cpu 2, socket 0, mpidr 80000002 [ 0.034365] CPU2: Spectre v2: using BPIALL workaround [ 0.038116] CPU3: thread -1, cpu 3, socket 0, mpidr 80000003 [ 0.038131] CPU3: Spectre v2: using BPIALL workaround [ 0.039151] smp: Brought up 1 node, 4 CPUs [ 0.039195] SMP: Total of 4 processors activated (528.00 BogoMIPS). [ 0.039232] CPU: All CPU(s) started in SVC mode. [ 0.041880] devtmpfs: initialized [ 0.100123] VFP support v0.3: implementor 41 architecture 3 part 30 variant 9 rev 4 [ 0.102850] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 0.102927] futex hash table entries: 1024 (order: 4, 65536 bytes, linear) [ 0.107704] pinctrl core: initialized pinctrl subsystem [ 0.114811] DMI not present or invalid. [ 0.117183] NET: Registered protocol family 16 [ 0.129122] DMA: preallocated 256 KiB pool for atomic coherent allocations [ 0.138764] thermal_sys: Registered thermal governor 'step_wise' [ 0.139395] cpuidle: using governor menu [ 0.139939] CPU identified as i.MX6Q, silicon rev 1.0 [ 0.902113] vdd1p1: supplied by regulator-dummy [ 0.934560] vdd3p0: supplied by regulator-dummy [ 0.966619] vdd2p5: supplied by regulator-dummy [ 0.998692] vddarm: supplied by regulator-dummy [ 1.031814] vddpu: supplied by regulator-dummy [ 1.062967] vddsoc: supplied by regulator-dummy [ 2.423540] No ATAGs? [ 2.424305] hw-breakpoint: found 5 (+1 reserved) breakpoint and 1 watchpoint registers. [ 2.424390] hw-breakpoint: maximum watchpoint size is 4 bytes. [ 2.444526] imx6q-pinctrl 20e0000.pinctrl: initialized IMX pinctrl driver [ 2.474490] Serial: AMBA PL011 UART driver [ 2.540478] Kprobes globally optimized [ 2.636770] mxs-dma 110000.dma-apbh: initialized [ 2.669803] iommu: Default domain type: Translated [ 2.671972] vgaarb: loaded [ 2.676823] SCSI subsystem initialized [ 2.679142] usbcore: registered new interface driver usbfs [ 2.679489] usbcore: registered new interface driver hub [ 2.679732] usbcore: registered new device driver usb [ 2.687521] i2c i2c-0: IMX I2C adapter registered [ 2.694693] i2c i2c-1: IMX I2C adapter registered [ 2.699392] i2c i2c-2: IMX I2C adapter registered [ 2.704015] pps_core: LinuxPPS API ver. 1 registered [ 2.704061] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 2.704163] PTP clock support registered [ 2.722454] clocksource: Switched to clocksource mxc_timer1 [ 4.474270] NET: Registered protocol family 2 [ 4.475101] IP idents hash table entries: 16384 (order: 5, 131072 bytes, linear) [ 4.478555] tcp_listen_portaddr_hash hash table entries: 512 (order: 2, 22528 bytes, linear) [ 4.478742] TCP established hash table entries: 8192 (order: 3, 32768 bytes, linear) [ 4.478970] TCP bind hash table entries: 8192 (order: 6, 327680 bytes, linear) [ 4.480408] TCP: Hash tables configured (established 8192 bind 8192) [ 4.481469] MPTCP token hash table entries: 1024 (order: 3, 49152 bytes, linear) [ 4.481822] UDP hash table entries: 512 (order: 3, 49152 bytes, linear) [ 4.482083] UDP-Lite hash table entries: 512 (order: 3, 49152 bytes, linear) [ 4.483000] NET: Registered protocol family 1 [ 4.485871] RPC: Registered named UNIX socket transport module. [ 4.485961] RPC: Registered udp transport module. [ 4.486003] RPC: Registered tcp transport module. [ 4.486043] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 4.486100] NET: Registered protocol family 44 [ 4.486169] PCI: CLS 0 bytes, default 64 [ 4.488712] Trying to unpack rootfs image as initramfs... [ 6.371219] Freeing initrd memory: 14908K [ 6.372201] hw perfevents: no interrupt-affinity property for /pmu, guessing. [ 6.373722] hw perfevents: enabled with armv7_cortex_a9 PMU driver, 7 counters available [ 6.383083] Initialise system trusted keyrings [ 6.384261] workingset: timestamp_bits=30 max_order=18 bucket_order=0 [ 6.436807] squashfs: version 4.0 (2009/01/31) Phillip Lougher [ 6.440900] NFS: Registering the id_resolver key type [ 6.441141] Key type id_resolver registered [ 6.441236] Key type id_legacy registered [ 6.441902] nfs4filelayout_init: NFSv4 File Layout Driver Registering... [ 6.442007] nfs4flexfilelayout_init: NFSv4 Flexfile Layout Driver Registering... [ 6.442273] ntfs: driver 2.1.32 [Flags: R/O]. [ 6.444548] Key type asymmetric registered [ 6.444679] Asymmetric key parser 'x509' registered [ 6.445138] bounce: pool size: 64 pages [ 6.445302] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 247) [ 6.445410] io scheduler mq-deadline registered [ 6.445452] io scheduler kyber registered [ 6.446414] test_firmware: interface ready [ 6.689930] imx-sdma 20ec000.sdma: Direct firmware load for imx/sdma/sdma-imx6q.bin failed with error -2 [ 6.690193] imx-sdma 20ec000.sdma: external firmware not found, using ROM firmware [ 6.964481] Serial: 8250/16550 driver, 5 ports, IRQ sharing enabled [ 6.985791] SuperH (H)SCI(F) driver initialized [ 6.988863] 2020000.serial: ttymxc0 at MMIO 0x2020000 (irq = 34, base_baud = 5000000) is a IMX [ 6.994369] 21e8000.serial: ttymxc1 at MMIO 0x21e8000 (irq = 81, base_baud = 5000000) is a IMX [ 7.926413] printk: console [ttymxc1] enabled [ 7.937427] msm_serial: driver initialized [ 7.942754] STMicroelectronics ASC driver initialized [ 7.954655] STM32 USART driver initialized [ 7.981871] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 0 [ 8.004504] panel-simple panel-lcd: supply power not found, using dummy regulator [ 8.012995] panel-simple panel-lcd: Specify missing connector_type [ 8.020866] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 8.077509] brd: module loaded [ 8.141374] loop: module loaded [ 8.148095] lkdtm: No crash points registered, enable through debugfs [ 8.170967] ahci-imx 2200000.sata: fsl,transmit-level-mV not specified, using 00000024 [ 8.179022] ahci-imx 2200000.sata: fsl,transmit-boost-mdB not specified, using 00000480 [ 8.187142] ahci-imx 2200000.sata: fsl,transmit-atten-16ths not specified, using 00002000 [ 8.195429] ahci-imx 2200000.sata: fsl,receive-eq-mdB not specified, using 05000000 [ 8.203516] ahci-imx 2200000.sata: supply ahci not found, using dummy regulator [ 8.211720] ahci-imx 2200000.sata: supply phy not found, using dummy regulator [ 8.219568] ahci-imx 2200000.sata: supply target not found, using dummy regulator [ 8.231012] ahci-imx 2200000.sata: SSS flag set, parallel bus scan disabled [ 8.238148] ahci-imx 2200000.sata: AHCI 0001.0300 32 slots 1 ports 3 Gbps 0x1 impl platform mode [ 8.247050] ahci-imx 2200000.sata: flags: ncq sntf stag pm led clo only pmp pio slum part ccc apst [ 8.261553] scsi host0: ahci-imx [ 8.267372] ata1: SATA max UDMA/133 mmio [mem 0x02200000-0x02203fff] port 0x100 irq 84 [ 8.335110] bgmac_bcma: Broadcom 47xx GBit MAC driver loaded [ 8.348946] pps pps0: new PPS source ptp0 [ 8.396083] fec 2188000.ethernet eth0: registered PHC device 0 [ 8.406976] e1000e: Intel(R) PRO/1000 Network Driver [ 8.411981] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. [ 8.418253] igb: Intel(R) Gigabit Ethernet Network Driver [ 8.423745] igb: Copyright (c) 2007-2014 Intel Corporation. [ 8.452427] pegasus: v0.9.3 (2013/04/25), Pegasus/Pegasus II USB Ethernet driver [ 8.460030] usbcore: registered new interface driver pegasus [ 8.466001] usbcore: registered new interface driver asix [ 8.471586] usbcore: registered new interface driver ax88179_178a [ 8.477941] usbcore: registered new interface driver cdc_ether [ 8.484096] usbcore: registered new interface driver smsc75xx [ 8.490096] usbcore: registered new interface driver smsc95xx [ 8.496084] usbcore: registered new interface driver net1080 [ 8.501927] usbcore: registered new interface driver cdc_subset [ 8.508132] usbcore: registered new interface driver zaurus [ 8.514056] usbcore: registered new interface driver cdc_ncm [ 8.533119] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 8.539766] ehci-pci: EHCI PCI platform driver [ 8.544460] ehci-platform: EHCI generic platform driver [ 8.550780] ehci-orion: EHCI orion driver [ 8.555828] SPEAr-ehci: EHCI SPEAr driver [ 8.560773] ehci-st: EHCI STMicroelectronics driver [ 8.566633] ehci-exynos: EHCI Exynos driver [ 8.571740] ehci-atmel: EHCI Atmel driver [ 8.576766] tegra-ehci: Tegra EHCI driver [ 8.581738] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 8.588080] ohci-pci: OHCI PCI platform driver [ 8.592793] ohci-platform: OHCI generic platform driver [ 8.599049] SPEAr-ohci: OHCI SPEAr driver [ 8.604054] ohci-st: OHCI STMicroelectronics driver [ 8.609861] ohci-atmel: OHCI Atmel driver [ 8.615242] ata1: SATA link down (SStatus 0 SControl 300) [ 8.617643] usbcore: registered new interface driver usb-storage [ 8.621036] ahci-imx 2200000.sata: no device found, disabling link. [ 8.633185] ahci-imx 2200000.sata: pass ahci_imx..hotplug=1 to enable hotplug [ 8.661156] i2c /dev entries driver [ 8.751757] sdhci: Secure Digital Host Controller Interface driver [ 8.758042] sdhci: Copyright(c) Pierre Ossman [ 8.772477] Synopsys Designware Multimedia Card Interface Driver [ 8.786359] sdhci-pltfm: SDHCI platform and OF driver helper [ 8.796199] sdhci-esdhc-imx 2198000.mmc: Got CD GPIO [ 8.801427] sdhci-esdhc-imx 2198000.mmc: Got WP GPIO [ 8.804160] sdhci-esdhc-imx 219c000.mmc: Got CD GPIO [ 8.813288] ledtrig-cpu: registered to indicate activity on CPUs [ 8.823420] usbcore: registered new interface driver usbhid [ 8.829035] usbhid: USB HID core driver [ 8.851019] mmc2: SDHCI controller on 2198000.mmc [2198000.mmc] using ADMA [ 8.858742] ipip: IPv4 and MPLS over IPv4 tunneling driver [ 8.867124] gre: GRE over IPv4 demultiplexor driver [ 8.872047] ip_gre: GRE over IPv4 tunneling driver [ 8.883371] IPv4 over IPsec tunneling driver [ 8.893180] NET: Registered protocol family 10 [ 8.900018] mmc3: SDHCI controller on 219c000.mmc [219c000.mmc] using ADMA [ 8.904789] Segment Routing with IPv6 [ 8.917408] ip6_gre: GRE over IPv6 tunneling driver [ 8.925479] NET: Registered protocol family 17 [ 8.931271] 8021q: 802.1Q VLAN Support v1.8 [ 8.936574] Key type dns_resolver registered [ 8.954789] ThumbEE CPU extension supported. [ 8.959130] Registering SWP/SWPB emulation handler [ 8.965527] Loading compiled-in X.509 certificates [ 8.968977] mmc2: new high speed SDHC card at address 0001 [ 8.981005] mmcblk2: mmc2:0001 SD 14.8 GiB [ 9.007683] GPT:Primary header thinks Alt. header is not at the end of the disk. [ 9.015325] GPT:29296874 != 30965759 [ 9.018946] GPT:Alternate GPT header not at the end of the disk. [ 9.025146] GPT:29296874 != 30965759 [ 9.028767] GPT: Use GNU Parted to correct GPT errors. [ 9.034079] mmcblk2: p1 p2 p3 [ 9.201482] panel-simple panel-lcd: supply power not found, using dummy regulator [ 9.210161] panel-simple panel-lcd: Specify missing connector_type [ 9.225982] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 9.269825] imx_usb 2184200.usb: No over current polarity defined [ 9.284439] ci_hdrc ci_hdrc.1: EHCI Host Controller [ 9.289748] ci_hdrc ci_hdrc.1: new USB bus registered, assigned bus number 1 [ 9.323845] ci_hdrc ci_hdrc.1: USB 2.0 started, EHCI 1.00 [ 9.346729] hub 1-0:1.0: USB hub found [ 9.351663] hub 1-0:1.0: 1 port detected [ 9.369262] imx_thermal 20c8000.anatop:tempmon: invalid sensor calibration data [ 9.376711] imx_thermal 20c8000.anatop:tempmon: error -EINVAL: failed to init from nvmem [ 9.385212] imx_thermal: probe of 20c8000.anatop:tempmon failed with error -22 [ 9.419165] panel-simple panel-lcd: supply power not found, using dummy regulator [ 9.427729] panel-simple panel-lcd: Specify missing connector_type [ 9.443736] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 9.482523] panel-simple panel-lcd: supply power not found, using dummy regulator [ 9.491005] panel-simple panel-lcd: Specify missing connector_type [ 9.506708] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 9.527957] input: gpio-keys as /devices/platform/gpio-keys/input/input0 [ 9.564686] panel-simple panel-lcd: supply power not found, using dummy regulator [ 9.573241] panel-simple panel-lcd: Specify missing connector_type [ 9.588948] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 9.614109] Micrel KSZ9021 Gigabit PHY 2188000.ethernet-1:06: attached PHY driver [Micrel KSZ9021 Gigabit PHY] (mii_bus:phy_addr=2188000.ethernet-1:06, irq=POLL) [ 9.629787] IP-Config: Failed to open gretap0 [ 9.634334] IP-Config: Failed to open erspan0 [ 9.662596] Sending DHCP requests . [ 9.782580] usb 1-1: new high-speed USB device number 2 using ci_hdrc [ 10.001448] hub 1-1:1.0: USB hub found [ 10.006312] hub 1-1:1.0: 3 ports detected [ 10.071618] panel-simple panel-lcd: supply power not found, using dummy regulator [ 10.081261] panel-simple panel-lcd: Specify missing connector_type [ 10.105993] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 11.753838] fec 2188000.ethernet eth0: Link is Up - 100Mbps/Full - flow control rx/tx [ 11.762646] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready [ 11.792801] ., OK [ 11.835085] IP-Config: Got DHCP answer from 192.168.101.1, my address is 192.168.101.101 [ 11.843438] IP-Config: Complete: [ 11.846757] device=eth0, hwaddr=00:19:b8:00:e5:47, ipaddr=192.168.101.101, mask=255.255.255.0, gw=192.168.101.1 [ 11.857596] host=imx6q-sabrelite-cbg-2, domain=lava.cbg.collabora.co.uk, nis-domain=(none) [ 11.866508] bootserver=192.168.101.1, rootserver=192.168.101.1, rootpath= [ 11.866558] nameserver0=192.168.101.1 [ 11.948089] Freeing unused kernel memory: 2048K [ 11.954087] Run /init as init process Loading, please wait... Starting version 247.3-7 [ 17.082612] imx-ipuv3 2400000.ipu: IPUv3H probed [ 17.106333] imx-ipuv3 2800000.ipu: IPUv3H probed [ 17.134566] panel-simple panel-lcd: supply power not found, using dummy regulator [ 17.143211] panel-simple panel-lcd: Specify missing connector_type [ 17.171519] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 17.226439] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) [ 17.235706] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) [ 17.255922] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) [ 17.270375] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) [ 17.280253] panel-simple panel-lcd: supply power not found, using dummy regulator [ 17.289023] panel-simple panel-lcd: Specify missing connector_type [ 17.322336] CAN device driver interface [ 17.361726] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 17.506035] etnaviv etnaviv: bound 130000.gpu (ops gpu_ops [etnaviv]) [ 17.528196] caam 2100000.crypto: Entropy delay = 3200 [ 17.594317] caam 2100000.crypto: Instantiated RNG4 SH0 [ 17.655076] caam 2100000.crypto: Instantiated RNG4 SH1 [ 17.657627] etnaviv etnaviv: bound 134000.gpu (ops gpu_ops [etnaviv]) [ 17.660280] caam 2100000.crypto: device ID = 0x0a16010000000000 (Era 4) [ 17.660309] caam 2100000.crypto: job rings = 2, qi = 0 [ 17.714677] etnaviv etnaviv: bound 2204000.gpu (ops gpu_ops [etnaviv]) [ 17.721280] etnaviv-gpu 130000.gpu: model: GC2000, revision: 5108 [ 17.781814] usb_phy_generic usbphynop1: supply vcc not found, using dummy regulator [ 17.791937] usb_phy_generic usbphynop1: dummy supplies not allowed for exclusive requests [ 17.801880] usb_phy_generic usbphynop2: supply vcc not found, using dummy regulator [ 17.811737] usb_phy_generic usbphynop2: dummy supplies not allowed for exclusive requests [ 17.815983] sgtl5000 0-000a: sgtl5000 revision 0x11 [ 17.827509] etnaviv-gpu 134000.gpu: model: GC320, revision: 5007 [ 17.834381] etnaviv-gpu 2204000.gpu: model: GC355, revision: 1215 [ 17.840579] etnaviv-gpu 2204000.gpu: Ignoring GPU with VG and FE2.0 [ 17.843003] sgtl5000 0-000a: Using internal LDO instead of VDDD: check ER1 erratum [ 17.862910] [drm] Initialized etnaviv 1.3.0 20151214 for etnaviv on minor 1 [ 17.878578] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) [ 17.887647] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) [ 17.896549] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) [ 17.905297] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) [ 17.924927] panel-simple panel-lcd: supply power not found, using dummy regulator [ 17.934293] panel-simple panel-lcd: Specify missing connector_type [ 17.952633] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 18.041217] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) [ 18.049882] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) [ 18.059069] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) [ 18.067861] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) [ 18.084884] panel-simple panel-lcd: supply power not found, using dummy regulator [ 18.094972] panel-simple panel-lcd: Specify missing connector_type [ 18.115046] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 18.162877] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) [ 18.171439] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) [ 18.180217] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) [ 18.188881] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) [ 19.069201] caam algorithms registered in /proc/crypto [ 19.094250] caam 2100000.crypto: registering rng-caam [ 19.108770] panel-simple panel-lcd: supply power not found, using dummy regulator [ 19.117649] panel-simple panel-lcd: Specify missing connector_type [ 19.134223] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 19.182348] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) [ 19.190828] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) [ 19.199581] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) [ 19.208095] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) [ 19.225453] panel-simple panel-lcd: supply power not found, using dummy regulator [ 19.235662] panel-simple panel-lcd: Specify missing connector_type [ 19.254587] panel-simple panel-lvds0: supply power not found, using dummy regulator Begin: Loading essential drivers ... done. Begin: Running /scripts/init-premount ... done. Begin: Mounting root file system ... Begin: Ru[ 19.283281] random: crng init done nning /scripts/nfs-top ... done. Begin: Running /scripts/nfs-premount ... done. [ 19.302023] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) [ 19.310698] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) [ 19.319676] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) [ 19.328267] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) IP-Config: eth0 hardware address 00:19:b8:00:e5:47 mtu 1500 DHCP IP-Config: erspan0 hardware address 00:00:00:00:00:00 mtu 1450 DHCP SIOCSIFFLAGS: Cannot assign requested address IP-Config: gretap0 hardware address 00:00:00:00:00:00 mtu 1462 DHCP SIOCSIFFLAGS: Cannot assign requested address IP-Config: eth0 complete (dhcp from 192.168.101.1): address: 192.168.101.101 broadcast: 192.168.101.255 netmask: 255.255.255.0 gateway: 192.168.101.1 dns0 : 192.168.101.1 dns1 : 0.0.0.0 host : imx6q-sabrelite-cbg-2 domain : lava.cbg.collabora.co.uk rootserver: 192.168.101.1 rootpath: filename : done. Begin: Running /scripts/nfs-bottom ... done. Begin: Running /scripts/init-bottom ... done. [ 22.500560] systemd[1]: System time before build time, advancing clock. [ 22.866290] systemd[1]: systemd 247.3-7 running in system mode. (+PAM +AUDIT +SELINUX +IMA +APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL +XZ +LZ4 +ZSTD +SECCOMP +BLKID +ELFUTILS +KMOD +IDN2 -IDN +PCRE2 default-hierarchy=unified) [ 22.892681] systemd[1]: Detected architecture arm. Welcome to [1mDebian GNU/Linux 11 (bullseye)[0m! [ 23.025770] systemd[1]: Set hostname to . [ 25.035688] systemd[1]: Queued start job for default target Graphical Interface. [ 25.051449] systemd[1]: Created slice system-getty.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-getty.slice[0m. [ 25.098298] systemd[1]: Created slice system-modprobe.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-modprobe.slice[0m. [ 25.158255] systemd[1]: Created slice system-serial\x2dgetty.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-serial\x2dgetty.slice[0m. [ 25.208234] systemd[1]: Created slice User and Session Slice. [[0;32m OK [0m] Created slice [0;1;39mUser and Session Slice[0m. [ 25.256726] systemd[1]: Started Dispatch Password Requests to Console Directory Watch. [[0;32m OK [0m] Started [0;1;39mDispatch Password …ts to Console Directory Watch[0m. [ 25.307232] systemd[1]: Started Forward Password Requests to Wall Directory Watch. [[0;32m OK [0m] Started [0;1;39mForward Password R…uests to Wall Directory Watch[0m. [ 25.355166] systemd[1]: Condition check resulted in Arbitrary Executable File Formats File System Automount Point being skipped. [ 25.367877] systemd[1]: Reached target Local Encrypted Volumes. [[0;32m OK [0m] Reached target [0;1;39mLocal Encrypted Volumes[0m. [ 25.414942] systemd[1]: Reached target Paths. [[0;32m OK [0m] Reached target [0;1;39mPaths[0m. [ 25.454291] systemd[1]: Reached target Remote File Systems. [[0;32m OK [0m] Reached target [0;1;39mRemote File Systems[0m. [ 25.493350] systemd[1]: Reached target Slices. [[0;32m OK [0m] Reached target [0;1;39mSlices[0m. [ 25.533526] systemd[1]: Reached target Swap. [[0;32m OK [0m] Reached target [0;1;39mSwap[0m. [ 25.577905] systemd[1]: Listening on initctl Compatibility Named Pipe. [[0;32m OK [0m] Listening on [0;1;39minitctl Compatibility Named Pipe[0m. [ 25.681796] systemd[1]: Condition check resulted in Journal Audit Socket being skipped. [ 25.695324] systemd[1]: Listening on Journal Socket (/dev/log). [[0;32m OK [0m] Listening on [0;1;39mJournal Socket (/dev/log)[0m. [ 25.740876] systemd[1]: Listening on Journal Socket. [[0;32m OK [0m] Listening on [0;1;39mJournal Socket[0m. [ 25.799790] systemd[1]: Listening on Network Service Netlink Socket. [[0;32m OK [0m] Listening on [0;1;39mNetwork Service Netlink Socket[0m. [ 25.856147] systemd[1]: Listening on udev Control Socket. [[0;32m OK [0m] Listening on [0;1;39mudev Control Socket[0m. [ 25.908382] systemd[1]: Listening on udev Kernel Socket. [[0;32m OK [0m] Listening on [0;1;39mudev Kernel Socket[0m. [ 25.956788] systemd[1]: Condition check resulted in Huge Pages File System being skipped. [ 25.968072] systemd[1]: Condition check resulted in POSIX Message Queue File System being skipped. [ 25.989772] systemd[1]: Mounting Kernel Debug File System... Mounting [0;1;39mKernel Debug File System[0m... [ 26.046908] systemd[1]: Mounting Kernel Trace File System... Mounting [0;1;39mKernel Trace File System[0m... [ 26.097301] systemd[1]: Starting Create list of static device nodes for the current kernel... Starting [0;1;39mCreate list of st…odes for the current kernel[0m... [ 26.156393] systemd[1]: Starting Load Kernel Module configfs... Starting [0;1;39mLoad Kernel Module configfs[0m... [ 26.206378] systemd[1]: Starting Load Kernel Module drm... Starting [0;1;39mLoad Kernel Module drm[0m... [ 26.256965] systemd[1]: Starting Load Kernel Module fuse... Starting [0;1;39mLoad Kernel Module fuse[0m... [ 26.303907] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped. [ 26.339827] systemd[1]: Starting Journal Service... Starting [0;1;39mJourna[ 26.349666] fuse: init (API version 7.32) l Service[0m... [ 26.408311] systemd[1]: Starting Load Kernel Modules... Starting [0;1;39mLoad Kernel Modules[0m... [ 26.455399] systemd[1]: Starting Remount Root and Kernel File Systems... Starting [0;1;39mRemount Root and Kernel File Systems[0m... [ 26.505925] systemd[1]: Starting Coldplug All udev Devices... Starting [0;1;39mColdplug All udev Devices[0m... [ 26.559094] systemd[1]: Mounted Kernel Debug File System. [[0;32m OK [0m] Mounted [0;1;39mKernel Debug File System[0m. [ 26.605080] systemd[1]: Mounted Kernel Trace File System. [[0;32m OK [0m] Mounted [0;1;39mKernel Trace File System[0m. [ 26.656794] systemd[1]: Finished Create list of static device nodes for the current kernel. [[0;32m OK [0m] Finished [0;1;39mCreate list of st… nodes for the current kernel[0m. [ 26.756245] systemd[1]: modprobe@configfs.service: Succeeded. [ 26.768002] systemd[1]: Finished Load Kernel Module configfs. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Module configfs[0m. [ 26.819985] systemd[1]: modprobe@drm.service: Succeeded. [ 26.831188] systemd[1]: Finished Load Kernel Module drm. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Module drm[0m. [ 26.879953] systemd[1]: modprobe@fuse.service: Succeeded. [ 26.891342] systemd[1]: Finished Load Kernel Module fuse. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Module fuse[0m. [ 26.939553] systemd[1]: Finished Load Kernel Modules. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Modules[0m. [ 26.979313] systemd[1]: Finished Remount Root and Kernel File Systems. [[0;32m OK [0m] Finished [0;1;39mRemount Root and Kernel File Systems[0m. [ 27.038247] systemd[1]: Mounting FUSE Control File System... Mounting [0;1;39mFUSE Control File System[0m... [ 27.084909] systemd[1]: Mounting Kernel Configuration File System... Mounting [0;1;39mKernel Configuration File System[0m... [ 27.116318] systemd[1]: Condition check resulted in Rebuild Hardware Database being skipped. [ 27.126622] systemd[1]: Condition check resulted in Platform Persistent Storage Archival being skipped. [ 27.149613] systemd[1]: Starting Load/Save Random Seed... Starting [0;1;39mLoad/Save Random Seed[0m... [ 27.194497] systemd[1]: Starting Apply Kernel Variables... Starting [0;1;39mApply Kernel Variables[0m... [ 27.256474] systemd[1]: Starting Create System Users... Starting [0;1;39mCreate System Users[0m... [ 27.302610] systemd[1]: Started Journal Service. [[0;32m OK [0m] Started [0;1;39mJournal Service[0m. [[0;32m OK [0m] Mounted [0;1;39mFUSE Control File System[0m. [[0;32m OK [0m] Mounted [0;1;39mKernel Configuration File System[0m. Starting [0;1;39mFlush Journal to Persistent Storage[0m... [[0;32m OK [0m] Finished [0;1;39mLoad/Save Random Seed[0m. [[0;32m OK [0m] Finished [0;1;39mApply Kernel Variables[0m. [ 27.566868] systemd-journald[279]: Received client request to flush runtime journal. [[0;32m OK [0m] Finished [0;1;39mCreate System Users[0m. Starting [0;1;39mCreate Static Device Nodes in /dev[0m... [[0;32m OK [0m] Finished [0;1;39mCreate Static Device Nodes in /dev[0m. [[0;32m OK [0m] Reached target [0;1;39mLocal File Systems (Pre)[0m. [[0;32m OK [0m] Reached target [0;1;39mLocal File Systems[0m. Starting [0;1;39mRule-based Manage…for Device Events and Files[0m... [[0;32m OK [0m] Finished [0;1;39mFlush Journal to Persistent Storage[0m. Starting [0;1;39mCreate Volatile Files and Directories[0m... [[0;32m OK [0m] Started [0;1;39mRule-based Manager for Device Events and Files[0m. Starting [0;1;39mNetwork Service[0m... [[0;32m OK [0m] Finished [0;1;39mCreate Volatile Files and Directories[0m. Starting [0;1;39mUpdate UTMP about System Boot/Shutdown[0m... [[0;32m OK [0m] Finished [0;1;39mUpdate UTMP about System Boot/Shutdown[0m. [[0;32m OK [0m] Started [0;1;39mNetwork Service[0m. Starting [0;1;39mNetwork Name Resolution[0m... [[0;32m OK [0m] Started [0;1;39mNetwork Name Resolution[0m. [[0;32m OK [0m] Reached target [0;1;39mNetwork[0m. [[0;32m OK [0m] Reached target [0;1;39mHost and Network Name Lookups[0m. [[0;32m OK [0m] Finished [0;1;39mColdplug All udev Devices[0m. [[0;32m OK [0m] Reached target [0;1;39mSystem Initialization[0m. [[0;32m OK [0m] Started [0;1;39mDaily apt download activities[0m. [[0;32m OK [0m] Started [0;1;39mDaily apt upgrade and clean activities[0m. [[0;32m OK [0m] Started [0;1;39mPeriodic ext4 Onli…ata Check for All Filesystems[0m. [[0;32m OK [0m] Started [0;1;39mDiscard unused blocks once a week[0m. [[0;32m OK [0m] Started [0;1;39mDaily Cleanup of Temporary Directories[0m. [[0;32m OK [0m] Reached target [0;1;39mTimers[0m. [[0;32m OK [0m] Reached target [0;1;39mHardware activated USB gadget[0m. [[0;32m OK [0m] Listening on [0;1;39mD-Bus System Message Bus Socket[0m. [[0;32m OK [0m] Reached target [0;1;39mSockets[0m. [[0;32m OK [0m] Reached target [0;1;39mBasic System[0m. [[0;32m OK [0m] Started [0;1;39mD-Bus System Message Bus[0m. Starting [0;1;39mRemove Stale Onli…t4 Metadata Check Snapshots[0m... Starting [0;1;39mUser Login Management[0m... Starting [0;1;39mPermit User Sessions[0m... [[0;32m OK [0m] Found device [0;1;39m/dev/ttymxc1[0m. [[0;32m OK [0m] Finished [0;1;39mPermit User Sessions[0m. [[0;32m OK [0m] Finished [0;1;39mRemove Stale Onli…ext4 Metadata Check Snapshots[0m. [[0;32m OK [0m] Started [0;1;39mUser Login Management[0m. [[0;32m OK [0m] Listening on [0;1;39mLoad/Save RF …itch Status /dev/rfkill Watch[0m. [[0;32m OK [0m] Started [0;1;39mGetty on tty1[0m. [[0;32m OK [0m] Started [0;1;39mSerial Getty on ttymxc1[0m. [[0;32m OK [0m] Reached target [0;1;39mLogin Prompts[0m. [[0;32m OK [0m] Reached target [0;1;39mMulti-User System[0m. [[0;32m OK [0m] Reached target [0;1;39mGraphical Interface[0m. Starting [0;1;39mUpdate UTMP about System Runlevel Changes[0m... [[0;32m OK [0m] Finished [0;1;39mUpdate UTMP about System Runlevel Changes[0m. Debian GNU/Linux 11 debian-bullseye-armhf ttymxc1 debian-bullseye-armhf login: root (automatic login) Linux debian-bullseye-armhf 5.10.138-cip15 #1 SMP Wed Aug 31 11:45:13 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/7147753/extract-nfsrootfs-f5enmt1s' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/7147753/extract-nfsrootfs-f5enmt1s' / # export NFS_SERVER_IP='192.168.101.1' export NFS_SERVER_IP='192.168.101.1' / # # # / # export SHELL=/bin/bash export SHELL=/bin/bash / # . /lava-7147753/environment . /lava-7147753/environment / # /lava-7147753/bin/lava-test-runner /lava-7147753/0 /lava-7147753/bin/lava-test-runner /lava-7147753/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-7147753/0/tests/0_timesync-off ++ cat uuid + UUID=7147753_1.6.2.4.1 + set +x + systemctl stop systemd-timesyncd Failed to stop systemd-timesyncd.service: Unit systemd-timesyncd.service not loaded. + true + set +x + export TESTRUN_ID=1_kselftest-lkdtm + TESTRUN_ID=1_kselftest-lkdtm + cd /lava-7147753/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=7147753_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/v5.10.138-cip15/arm/multi_v7_defconfig+kselftest/gcc-10/kselftest.tar.xz -L '' -S skipfile-lkft.yaml -b imx6q-sabrelite -g cip -e '' -p /opt/kselftests/mainline/ INFO: Generating a skipfile based on /lava-7147753/0/tests/1_kselftest-lkdtm/automated/linux/kselftest/skipfile-lkft.yaml INFO: Using the following generated skipfile contents (until EOF): breakpoints:breakpoint_test breakpoints:step_after_suspend_test ftrace:ftracetest net:rtnetlink.sh net:tls netfilter:bridge_brouter.sh netfilter:nft_flowtable.sh netfilter:nft_trans_stress.sh pidfd:pidfd_wait INFO: EOF INFO: Installing sed perl wget xz-utils iproute2 Hit:1 http://deb.debian.org/debian bullseye InRelease Reading package lists... E: Release file for http://deb.debian.org/debian/dists/bullseye/InRelease is not valid yet (invalid for another 110d 13h 47min 10s). Updates for this repository will not be applied. Reading package lists... Building dependency tree... Reading state information... iproute2 is already the newest version (5.10.0-4). perl is already the newest version (5.32.1-4+deb11u2). sed is already the newest version (4.7-1). wget is already the newest version (1.21-1+deb11u1). xz-utils is already the newest version (5.2.5-2.1~deb11u1). 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded. --2022-03-20 19:56:35-- http://storage.kernelci.org/cip/linux-5.10.y-cip/v5.10.138-cip15/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: 1407516 (1.3M) [application/octet-stream] Saving to: 'kselftest.tar.xz' kselftest.tar.xz 0%[ ] 0 --.-KB/s kselftest.tar.xz 3%[ ] 46.39K 167KB/s kselftest.tar.xz 15%[==> ] 209.01K 337KB/s kselftest.tar.xz 38%[======> ] 524.35K 621KB/s kselftest.tar.xz 56%[==========> ] 776.05K 742KB/s kselftest.tar.xz 73%[=============> ] 1008K 794KB/s kselftest.tar.xz 93%[=================> ] 1.25M 874KB/s kselftest.tar.xz 100%[===================>] 1.34M 878KB/s in 1.6s 2022-03-20 19:56:37 (878 KB/s) - 'kselftest.tar.xz' saved [1407516/1407516] tar: ./user/test_user_copy.sh: time stamp 2022-08-31 11:31:06 is 14139267.99855803 s in the future tar: ./user: time stamp 2022-08-31 11:54:19 is 14140660.993956318 s in the future tar: ./efivarfs/open-unlink: time stamp 2022-08-31 11:53:56 is 14140637.982570727 s in the future tar: ./efivarfs/create-read: time stamp 2022-08-31 11:53:56 is 14140637.972984863 s in the future tar: ./efivarfs/efivarfs.sh: time 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s in the future tar: ./net/forwarding/mirror_vlan.sh: time stamp 2022-08-31 11:31:06 is 14139266.475658651 s in the future tar: ./net/forwarding/vxlan_asymmetric.sh: time stamp 2022-08-31 11:31:06 is 14139266.466750985 s in the future tar: ./net/forwarding/tc_vlan_modify.sh: time stamp 2022-08-31 11:31:06 is 14139266.459656909 s in the future tar: ./net/forwarding/ip6_forward_instats_vrf.sh: time stamp 2022-08-31 11:31:06 is 14139266.452372045 s in the future tar: ./net/forwarding/mirror_gre_bridge_1q_lag.sh: time stamp 2022-08-31 11:31:06 is 14139266.444485485 s in the future tar: ./net/forwarding/bridge_igmp.sh: time stamp 2022-08-31 11:31:06 is 14139266.437570091 s in the future tar: ./net/forwarding/ip6gre_inner_v6_multipath.sh: time stamp 2022-08-31 11:31:06 is 14139266.422262515 s in the future tar: ./net/forwarding/mirror_gre_bridge_1q.sh: time stamp 2022-08-31 11:31:06 is 14139266.410115106 s in the future tar: ./net/forwarding/bridge_vlan_aware.sh: time stamp 2022-08-31 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./ftrace/test.d/kprobe/kprobe_args_syntax.tc: time stamp 2022-08-31 11:31:06 is 14139263.056239743 s in the future tar: ./ftrace/test.d/kprobe/kprobe_args_symbol.tc: time stamp 2022-08-31 11:31:06 is 14139263.04845047 s in the future tar: ./ftrace/test.d/kprobe/add_and_remove.tc: time stamp 2022-08-31 11:31:06 is 14139263.039829364 s in the future tar: ./ftrace/test.d/kprobe/kretprobe_maxactive.tc: time stamp 2022-08-31 11:31:06 is 14139263.032237349 s in the future tar: ./ftrace/test.d/kprobe/kretprobe_return_suffix.tc: time stamp 2022-08-31 11:31:06 is 14139263.024583667 s in the future tar: ./ftrace/test.d/kprobe: time stamp 2022-08-31 11:31:06 is 14139263.020978288 s in the future tar: ./ftrace/test.d/ftrace/func_profile_stat.tc: time stamp 2022-08-31 11:31:06 is 14139263.008678516 s in the future tar: ./ftrace/test.d/ftrace/func_cpumask.tc: time stamp 2022-08-31 11:31:06 is 14139263.001136607 s in the future tar: ./ftrace/test.d/ftrace/func_profiler.tc: time stamp 2022-08-31 11:31:06 is 14139262.993288076 s in the future tar: ./ftrace/test.d/ftrace/func-filter-pid.tc: time stamp 2022-08-31 11:31:06 is 14139262.984896803 s in the future tar: ./ftrace/test.d/ftrace/func_set_ftrace_file.tc: time stamp 2022-08-31 11:31:06 is 14139262.976757849 s in the future tar: ./ftrace/test.d/ftrace/func-filter-stacktrace.tc: time stamp 2022-08-31 11:31:06 is 14139262.969415394 s in the future tar: ./ftrace/test.d/ftrace/func_event_triggers.tc: time stamp 2022-08-31 11:31:06 is 14139262.962061061 s in the future tar: ./ftrace/test.d/ftrace/func_traceonoff_triggers.tc: time stamp 2022-08-31 11:31:06 is 14139262.954157031 s in the future tar: ./ftrace/test.d/ftrace/tracing-error-log.tc: time stamp 2022-08-31 11:31:06 is 14139262.946641273 s in the future tar: ./ftrace/test.d/ftrace/fgraph-filter.tc: time stamp 2022-08-31 11:31:06 is 14139262.939249879 s in the future tar: ./ftrace/test.d/ftrace/fgraph-filter-stack.tc: time stamp 2022-08-31 11:31:06 is 14139262.931729531 s in the future tar: ./ftrace/test.d/ftrace/func-filter-notrace-pid.tc: time stamp 2022-08-31 11:31:06 is 14139262.924293243 s in the future tar: ./ftrace/test.d/ftrace/func_stack_tracer.tc: time stamp 2022-08-31 11:31:06 is 14139262.917228607 s in the future tar: ./ftrace/test.d/ftrace/func_mod_trace.tc: time stamp 2022-08-31 11:31:06 is 14139262.910079546 s in the future tar: ./ftrace/test.d/ftrace/func-filter-glob.tc: time stamp 2022-08-31 11:31:06 is 14139262.902532804 s in the future tar: ./ftrace/test.d/ftrace: time stamp 2022-08-31 11:31:06 is 14139262.899087622 s in the future tar: ./ftrace/test.d/direct/kprobe-direct.tc: time stamp 2022-08-31 11:31:06 is 14139262.887720591 s in the future tar: ./ftrace/test.d/direct/ftrace-direct.tc: time stamp 2022-08-31 11:31:06 is 14139262.879924425 s in the future tar: ./ftrace/test.d/direct: time stamp 2022-08-31 11:31:06 is 14139262.876131546 s in the future tar: ./ftrace/test.d/template: time stamp 2022-08-31 11:31:06 is 14139262.868031319 s in the future tar: ./ftrace/test.d/instances/instance.tc: time stamp 2022-08-31 11:31:06 is 14139262.85725844 s in the future tar: ./ftrace/test.d/instances/instance-event.tc: time stamp 2022-08-31 11:31:06 is 14139262.849706243 s in the future tar: ./ftrace/test.d/instances: time stamp 2022-08-31 11:31:06 is 14139262.845428425 s in the future tar: ./ftrace/test.d: time stamp 2022-08-31 11:31:06 is 14139262.839012 s in the future tar: ./ftrace/ftracetest: time stamp 2022-08-31 11:31:06 is 14139262.824223819 s in the future tar: ./ftrace: time stamp 2022-08-31 11:54:16 is 14140652.820508561 s in the future tar: ./timers/nanosleep: time stamp 2022-08-31 11:54:11 is 14140647.807236288 s in the future tar: ./timers/set-tai: time stamp 2022-08-31 11:54:12 is 14140648.797792152 s in the future tar: ./timers/adjtick: time stamp 2022-08-31 11:54:12 is 14140648.788691637 s in the future tar: ./timers/posix_timers: time stamp 2022-08-31 11:54:11 is 14140647.775696879 s in the future tar: ./timers/inconsistency-check: time stamp 2022-08-31 11:54:11 is 14140647.762488122 s in the future tar: ./timers/change_skew: time stamp 2022-08-31 11:54:12 is 14140648.753615334 s in the future tar: ./timers/threadtest: time stamp 2022-08-31 11:54:11 is 14140647.742930531 s in the future tar: ./timers/leap-a-day: time stamp 2022-08-31 11:54:12 is 14140648.727146394 s in the future tar: ./timers/leapcrash: time stamp 2022-08-31 11:54:12 is 14140648.716889455 s in the future tar: ./timers/rtcpie: time stamp 2022-08-31 11:54:11 is 14140647.708324197 s in the future tar: ./timers/settings: time stamp 2022-08-31 11:31:06 is 14139262.697135864 s in the future tar: ./timers/set-2038: time stamp 2022-08-31 11:54:12 is 14140648.682982758 s in the future tar: ./timers/set-tz: time stamp 2022-08-31 11:54:12 is 14140648.674085016 s in the future tar: ./timers/freq-step: time stamp 2022-08-31 11:54:12 is 14140648.664767273 s in the future tar: ./timers/alarmtimer-suspend: time stamp 2022-08-31 11:54:11 is 14140647.655912319 s in the future tar: ./timers/nsleep-lat: time stamp 2022-08-31 11:54:12 is 14140648.646417561 s in the future tar: ./timers/skew_consistency: time stamp 2022-08-31 11:54:12 is 14140648.637830879 s in the future tar: ./timers/clocksource-switch: time stamp 2022-08-31 11:54:12 is 14140648.629078243 s in the future tar: ./timers/valid-adjtimex: time stamp 2022-08-31 11:54:12 is 14140648.619429394 s in the future tar: ./timers/set-timer-lat: time stamp 2022-08-31 11:54:11 is 14140647.610039213 s in the future tar: ./timers/mqueue-lat: time stamp 2022-08-31 11:54:11 is 14140647.601293743 s in the future tar: ./timers/raw_skew: time stamp 2022-08-31 11:54:11 is 14140647.591631667 s in the future tar: ./timers: time stamp 2022-08-31 11:54:19 is 14140655.588011001 s in the future tar: ./run_kselftest.sh: time stamp 2022-08-31 11:54:13 is 14140649.579691137 s in the future tar: ./cpu-hotplug/cpu-on-off-test.sh: time stamp 2022-08-31 11:31:06 is 14139262.567734334 s in the future tar: ./cpu-hotplug: time stamp 2022-08-31 11:54:15 is 14140651.564329773 s in the future tar: ./pstore/common_tests: time stamp 2022-08-31 11:31:06 is 14139262.553287258 s in the future tar: ./pstore/pstore_post_reboot_tests: time stamp 2022-08-31 11:31:06 is 14139262.545495758 s in the future tar: ./pstore/pstore_crash_test: time stamp 2022-08-31 11:31:06 is 14139262.538120031 s in the future tar: ./pstore/pstore_tests: time stamp 2022-08-31 11:31:06 is 14139262.530884713 s in the future tar: ./pstore: time stamp 2022-08-31 11:54:18 is 14140654.527367288 s in the future tar: ./exec/load_address_16777216: time stamp 2022-08-31 11:53:56 is 14140632.372724016 s in the future tar: ./exec/execveat.denatured: time stamp 2022-08-31 11:53:56 is 14140632.36260847 s in the future tar: ./exec/Makefile: time stamp 2022-08-31 11:31:06 is 14139262.354644001 s in the future tar: ./exec/execveat: time stamp 2022-08-31 11:53:56 is 14140632.338915152 s in the future tar: ./exec/recursion-depth: time stamp 2022-08-31 11:53:56 is 14140632.327370622 s in the future tar: ./exec/binfmt_script: time stamp 2022-08-31 11:31:06 is 14139262.319346425 s in the future tar: ./exec/execveat.symlink: time stamp 2022-08-31 11:53:56 is 14140632.313592925 s in the future tar: ./exec/load_address_2097152: time stamp 2022-08-31 11:53:56 is 14140632.226153228 s in the future tar: ./exec/script: time stamp 2022-08-31 11:53:56 is 14140632.219330137 s in the future tar: ./exec/non-regular: time stamp 2022-08-31 11:53:56 is 14140632.203882955 s in the future tar: ./exec/load_address_4096: time stamp 2022-08-31 11:53:56 is 14140632.134316137 s in the future tar: ./exec/subdir: time stamp 2022-08-31 11:53:56 is 14140632.126921046 s in the future tar: ./exec: time stamp 2022-08-31 11:54:15 is 14140651.121011319 s in the future tar: ./size/get_size: time stamp 2022-08-31 11:54:11 is 14140647.105084531 s in the future tar: ./size: time stamp 2022-08-31 11:54:19 is 14140655.101889228 s in the future tar: ./mqueue/mq_perf_tests: time stamp 2022-08-31 11:54:01 is 14140637.087889955 s in the future tar: ./mqueue/mq_open_tests: time stamp 2022-08-31 11:54:01 is 14140637.075459198 s in the future tar: ./mqueue: time stamp 2022-08-31 11:54:17 is 14140653.072372819 s in the future tar: ./capabilities/validate_cap: time stamp 2022-08-31 11:53:56 is 14140632.058937213 s in the future tar: ./capabilities/test_execve: time stamp 2022-08-31 11:53:56 is 14140632.041525167 s in the future tar: ./capabilities: time stamp 2022-08-31 11:54:15 is 14140651.038080804 s in the future tar: ./clone3/clone3_set_tid: time stamp 2022-08-31 11:53:56 is 14140632.024863637 s in the future tar: ./clone3/clone3_clear_sighand: time stamp 2022-08-31 11:53:56 is 14140632.015299485 s in the future tar: ./clone3/clone3: time stamp 2022-08-31 11:53:56 is 14140632.005677743 s in the future tar: ./clone3/clone3_cap_checkpoint_restore: time stamp 2022-08-31 11:53:56 is 14140631.994169182 s in the future tar: ./clone3: time stamp 2022-08-31 11:54:15 is 14140650.990958334 s in the future tar: ./pidfd/pidfd_getfd_test: time stamp 2022-08-31 11:54:07 is 14140642.975006076 s in the future tar: ./pidfd/pidfd_test: time stamp 2022-08-31 11:54:07 is 14140642.964176667 s in the future tar: ./pidfd/pidfd_fdinfo_test: time stamp 2022-08-31 11:54:07 is 14140642.95435691 s in the future tar: ./pidfd/pidfd_wait: time stamp 2022-08-31 11:54:07 is 14140642.937564607 s in the future tar: ./pidfd/pidfd_poll_test: time stamp 2022-08-31 11:54:07 is 14140642.928314258 s in the future tar: ./pidfd/pidfd_setns_test: time stamp 2022-08-31 11:54:07 is 14140642.91216144 s in the future tar: ./pidfd/pidfd_open_test: time stamp 2022-08-31 11:54:07 is 14140642.902297758 s in the future tar: ./pidfd: time stamp 2022-08-31 11:54:18 is 14140653.899019289 s in the future tar: ./kselftest-list.txt: time stamp 2022-08-31 11:54:20 is 14140655.891200925 s in the future tar: ./ptrace/peeksiginfo: time stamp 2022-08-31 11:54:07 is 14140642.879745016 s in the future tar: ./ptrace/get_syscall_info: time stamp 2022-08-31 11:54:08 is 14140643.867747652 s in the future tar: ./ptrace/vmaccess: time stamp 2022-08-31 11:54:07 is 14140642.857893743 s in the future tar: ./ptrace: time stamp 2022-08-31 11:54:18 is 14140653.854525713 s in the future tar: ./kselftest/prefix.pl: time stamp 2022-08-31 11:54:13 is 14140648.844449592 s in the future tar: ./kselftest/runner.sh: time stamp 2022-08-31 11:54:13 is 14140648.83766094 s in the future tar: ./kselftest/module.sh: time stamp 2022-08-31 11:54:13 is 14140648.831020561 s in the future tar: ./kselftest: time stamp 2022-08-31 11:54:13 is 14140648.827763607 s in the future tar: ./tpm2/test_space.sh: time stamp 2022-08-31 11:31:06 is 14139261.817971183 s in the future tar: ./tpm2/test_smoke.sh: time stamp 2022-08-31 11:31:06 is 14139261.811506289 s in the future tar: ./tpm2/tpm2.py: time stamp 2022-08-31 11:31:06 is 14139261.802011955 s in the future tar: ./tpm2/tpm2_tests.py: time stamp 2022-08-31 11:31:06 is 14139261.793972728 s in the future tar: ./tpm2: time stamp 2022-08-31 11:54:19 is 14140654.790591501 s in the future tar: .: time stamp 2022-08-31 11:54:20 is 14140655.786783243 s in the future skiplist: ======================================== breakpoints:breakpoint_test breakpoints:step_after_suspend_test ftrace:ftracetest net:rtnetlink.sh net:tls netfilter:bridge_brouter.sh netfilter:nft_flowtable.sh netfilter:nft_trans_stress.sh pidfd:pidfd_wait ======================================== [ 105.339683] 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 [ 106.315152] lkdtm: Performing direct entry BUG [ 106.319922] ------------[ cut here ]------------ [ 106.324552] kernel BUG at drivers/misc/lkdtm/bugs.c:76! [ 106.329787] Internal error: Oops - BUG: 0 [#1] SMP ARM [ 106.334935] 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 etnaviv gpu_sched dw_hdmi_imx dw_hdmi imx_ldb parallel_display imxdrm imx_ipu_v3 [ 106.364012] CPU: 0 PID: 799 Comm: cat Not tainted 5.10.138-cip15 #1 [ 106.370286] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 106.376837] PC is at lkdtm_BUG+0x14/0x18 [ 106.380773] LR is at lkdtm_do_action+0x2c/0x4c [ 106.385225] pc : [] lr : [] psr: a00e0013 [ 106.391500] sp : c6665e58 ip : c6665e68 fp : c6665e64 [ 106.396732] r10: 00000004 r9 : c1acf704 r8 : c15e7df8 [ 106.401965] r7 : c6665f60 r6 : 00000004 r5 : c6101000 r4 : 00000001 [ 106.408500] r3 : c0c2e0ec r2 : cf98fc11 r1 : ef7815e0 r0 : c15e7e00 [ 106.415036] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 106.422179] Control: 10c5387d Table: 1680004a DAC: 00000051 [ 106.427936] Process cat (pid: 799, stack limit = 0x33e9e03b) [ 106.433603] Stack: (0xc6665e58 to 0xc6666000) [ 106.437972] 5e40: c6665e74 c6665e68 [ 106.446162] 5e60: c0c2db80 c0c2e0f8 c6665e9c c6665e78 c0c2e080 c0c2db60 c0c2df60 c61c8280 [ 106.454352] 5e80: b6e1f000 00000004 c533ff00 c6665f60 c6665ec4 c6665ea0 c07f5318 c0c2df6c [ 106.462542] 5ea0: 00000000 c61c8280 b6e1f000 c2816000 c6665f60 c07f52b4 c6665f5c c6665ec8 [ 106.470734] 5ec0: c0598368 c07f52c0 00000001 00000000 c05988fc c139fc00 c05988fc c6664000 [ 106.478925] 5ee0: b6e1f000 00020000 00000004 00000004 0001fffc c6665ee0 00000001 b6e1e000 [ 106.487112] 5f00: c632b680 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 106.495303] 5f20: 00000000 00000000 c139fc00 cf98fc11 c205caa0 c61c8280 c61c8280 c6664000 [ 106.503493] 5f40: b6e1f000 00000000 00000000 00000004 c6665f94 c6665f60 c05988fc c0598268 [ 106.511681] 5f60: 00000000 00000000 c6665fac cf98fc11 00000004 00000004 b6f66e00 00000004 [ 106.519869] 5f80: c03002e4 c6664000 c6665fa4 c6665f98 c059898c c0598894 00000000 c6665fa8 [ 106.528057] 5fa0: c03000c0 c0598980 00000004 00000004 00000001 b6e1f000 00000004 00000000 [ 106.536245] 5fc0: 00000004 00000004 b6f66e00 00000004 00000001 00000000 00020000 beec3a54 [ 106.544433] 5fe0: 00000004 beec3788 b6ed494f b6e5ac66 800e0030 00000001 00000000 00000000 [ 106.552614] Backtrace: [ 106.555086] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) [ 106.562674] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 106.570696] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 106.578627] r9:c6665f60 r8:c533ff00 r7:00000004 r6:b6e1f000 r5:c61c8280 r4:c0c2df60 [ 106.586387] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 106.594229] r9:c07f52b4 r8:c6665f60 r7:c2816000 r6:b6e1f000 r5:c61c8280 r4:00000000 [ 106.601985] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 106.609132] r10:00000004 r9:00000000 r8:00000000 r7:b6e1f000 r6:c6664000 r5:c61c8280 [ 106.616968] r4:c61c8280 [ 106.619516] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 106.626663] r9:c6664000 r8:c03002e4 r7:00000004 r6:b6f66e00 r5:00000004 r4:00000004 [ 106.634422] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 106.641997] Exception stack(0xc6665fa8 to 0xc6665ff0) [ 106.647059] 5fa0: 00000004 00000004 00000001 b6e1f000 00000004 00000000 [ 106.655248] 5fc0: 00000004 00000004 b6f66e00 00000004 00000001 00000000 00020000 beec3a54 [ 106.663434] 5fe0: 00000004 beec3788 b6ed494f b6e5ac66 [ 106.668498] Code: e92dd800 e24cb004 e52de004 e8bd4000 (e7f001f2) [ 106.674606] ---[ end trace f564789ceb3242a6 ]--- [ 106.679235] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 106.688117] in_atomic(): 0, irqs_disabled(): 128, non_block: 0, pid: 799, name: cat [ 106.695779] INFO: lockdep is turned off. [ 106.699709] irq event stamp: 1650 [ 106.703042] hardirqs last enabled at (1649): [] console_unlock+0x4b0/0x6c0 [ 106.710887] hardirqs last disabled at (1650): [] __und_svc+0x60/0x6c [ 106.718123] softirqs last enabled at (1516): [] __do_softirq+0x378/0x5fc [ 106.725791] softirqs last disabled at (1509): [] __irq_exit_rcu+0x178/0x1d0 [ 106.733632] CPU: 0 PID: 799 Comm: cat Tainted: G D 5.10.138-cip15 #1 [ 106.741297] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 106.747829] Backtrace: [ 106.750307] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 106.757888] r7:ffffffff r6:600e0093 r5:00000000 r4:c1f0f728 [ 106.763563] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 106.770895] [] (dump_stack) from [] (___might_sleep+0x1b0/0x2c0) [ 106.778651] r9:600e0093 r8:0000000b r7:c035bb84 r6:00000031 r5:c19cc370 r4:c6664000 [ 106.786410] [] (___might_sleep) from [] (__might_sleep+0x70/0xb0) [ 106.794250] r6:00000000 r5:00000031 r4:c19cc370 [ 106.798888] [] (__might_sleep) from [] (exit_signals+0x4c/0x3fc) [ 106.806640] r6:00000001 r5:c6664000 r4:c5f25100 [ 106.811281] [] (exit_signals) from [] (do_exit+0x10c/0xb4c) [ 106.818601] r8:0000000b r7:c1e0fc8c r6:ffffe000 r5:00000000 r4:c5f25100 [ 106.825319] [] (do_exit) from [] (die+0x374/0x380) [ 106.831853] r7:c1e0fc8c [ 106.834398] [] (die) from [] (do_undefinstr+0x170/0x240) [ 106.841460] r10:00000004 r9:c6664000 r8:c15e7df8 r7:00000000 r6:c6665dc8 r5:c0c2e100 [ 106.849295] r4:e7f001f2 [ 106.851842] [] (do_undefinstr) from [] (__und_svc_finish+0x0/0x54) [ 106.859766] Exception stack(0xc6665dc8 to 0xc6665e10) [ 106.864829] 5dc0: c15e7e00 ef7815e0 cf98fc11 c0c2e0ec 00000001 c6101000 [ 106.873018] 5de0: 00000004 c6665f60 c15e7df8 c1acf704 00000004 c6665e64 c6665e68 c6665e58 [ 106.881203] 5e00: c0c2db80 c0c2e100 a00e0013 ffffffff [ 106.886265] r7:c6665dfc r6:ffffffff r5:a00e0013 r4:c0c2e104 [ 106.891943] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) [ 106.899528] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 106.907547] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 106.915475] r9:c6665f60 r8:c533ff00 r7:00000004 r6:b6e1f000 r5:c61c8280 r4:c0c2df60 [ 106.923234] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 106.931076] r9:c07f52b4 r8:c6665f60 r7:c2816000 r6:b6e1f000 r5:c61c8280 r4:00000000 [ 106.938831] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 106.945978] r10:00000004 r9:00000000 r8:00000000 r7:b6e1f000 r6:c6664000 r5:c61c8280 [ 106.953813] r4:c61c8280 [ 106.956362] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 106.963508] r9:c6664000 r8:c03002e4 r7:00000004 r6:b6f66e00 r5:00000004 r4:00000004 [ 106.971265] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 106.978841] Exception stack(0xc6665fa8 to 0xc6665ff0) [ 106.983903] 5fa0: 00000004 00000004 00000001 b6e1f000 00000004 00000000 [ 106.992091] 5fc0: 00000004 00000004 b6f66e00 00000004 00000001 00000000 00020000 beec3a54 [ 107.000277] 5fe0: 00000004 beec3788 b6ed494f b6e5ac66 # Segmentation fault # [ 106.315152] lkdtm: Performing direct entry BUG # [ 106.319922] ------------[ cut here ]------------ # [ 106.324552] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 106.329787] Internal error: Oops - BUG: 0 [#1] SMP ARM # [ 106.334935] 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 etnaviv gpu_sched dw_hdmi_imx dw_hdmi imx_ldb parallel_display imxdrm imx_ipu_v3 # [ 106.364012] CPU: 0 PID: 799 Comm: cat Not tainted 5.10.138-cip15 #1 # [ 106.370286] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 106.376837] PC is at lkdtm_BUG+0x14/0x18 # [ 106.380773] LR is at lkdtm_do_action+0x2c/0x4c # [ 106.385225] pc : [] lr : [] psr: a00e0013 # [ 106.391500] sp : c6665e58 ip : c6665e68 fp : c6665e64 # [ 106.396732] r10: 00000004 r9 : c1acf704 r8 : c15e7df8 # [ 106.401965] r7 : c6665f60 r6 : 00000004 r5 : c6101000 r4 : 00000001 # [ 106.408500] r3 : c0c2e0ec r2 : cf98fc11 r1 : ef7815e0 r0 : c15e7e00 # [ 106.415036] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 106.422179] Control: 10c5387d Table: 1680004a DAC: 00000051 # [ 106.427936] Process cat (pid: 799, stack limit = 0x33e9e03b) # [ 106.433603] Stack: (0xc6665e58 to 0xc6666000) # [ 106.437972] 5e40: c6665e74 c6665e68 # [ 106.446162] 5e60: c0c2db80 c0c2e0f8 c6665e9c c6665e78 c0c2e080 c0c2db60 c0c2df60 c61c8280 # [ 106.454352] 5e80: b6e1f000 00000004 c533ff00 c6665f60 c6665ec4 c6665ea0 c07f5318 c0c2df6c # [ 106.462542] 5ea0: 00000000 c61c8280 b6e1f000 c2816000 c6665f60 c07f52b4 c6665f5c c6665ec8 # [ 106.470734] 5ec0: c0598368 c07f52c0 00000001 00000000 c05988fc c139fc00 c05988fc c6664000 # [ 106.478925] 5ee0: b6e1f000 00020000 00000004 00000004 0001fffc c6665ee0 00000001 b6e1e000 # [ 106.487112] 5f00: c632b680 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 106.495303] 5f20: 00000000 00000000 c139fc00 cf98fc11 c205caa0 c61c8280 c61c8280 c6664000 # [ 106.503493] 5f40: b6e1f000 00000000 00000000 00000004 c6665f94 c6665f60 c05988fc c0598268 # [ 106.511681] 5f60: 00000000 00000000 c6665fac cf98fc11 00000004 00000004 b6f66e00 00000004 # [ 106.519869] 5f80: c03002e4 c6664000 c6665fa4 c6665f98 c059898c c0598894 00000000 c6665fa8 # [ 106.528057] 5fa0: c03000c0 c0598980 00000004 00000004 00000001 b6e1f000 00000004 00000000 # [ 106.536245] 5fc0: 00000004 00000004 b6f66e00 00000004 00000001 00000000 00020000 beec3a54 # [ 106.544433] 5fe0: 00000004 beec3788 b6ed494f b6e5ac66 800e0030 00000001 00000000 00000000 # [ 106.552614] Backtrace: # [ 106.555086] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) # [ 106.562674] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 106.570696] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 106.578627] r9:c6665f60 r8:c533ff00 r7:00000004 r6:b6e1f000 r5:c61c8280 r4:c0c2df60 # [ 106.586387] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 106.594229] r9:c07f52b4 r8:c6665f60 r7:c2816000 r6:b6e1f000 r5:c61c8280 r4:00000000 # [ 106.601985] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 106.609132] r10:00000004 r9:00000000 r8:00000000 r7:b6e1f000 r6:c6664000 r5:c61c8280 # [ 106.616968] r4:c61c8280 # [ 106.619516] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 106.626663] r9:c6664000 r8:c03002e4 r7:00000004 r6:b6f66e00 r5:00000004 r4:00000004 # [ 106.634422] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 106.641997] Exception stack(0xc6665fa8 to 0xc6665ff0) # [ 106.647059] 5fa0: 00000004 00000004 00000001 b6e1f000 00000004 00000000 # [ 106.655248] 5fc0: 00000004 00000004 b6f66e00 00000004 00000001 00000000 00020000 beec3a54 # [ 106.663434] 5fe0: 00000004 beec3788 b6ed494f b6e5ac66 # [ 106.668498] Code: e92dd800 e24cb004 e52de004 e8bd4000 (e7f001f2) # [ 106.674606] ---[ end trace f564789ceb3242a6 ]--- # [ 106.679235] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 106.688117] in_atomic(): 0, irqs_disabled(): 128, non_block: 0, pid: 799, name: cat # [ 106.695779] INFO: lockdep is turned off. # [ 106.699709] irq event stamp: 1650 # [ 106.703042] hardirqs last enabled at (1649): [] console_unlock+0x4b0/0x6c0 # [ 106.710887] hardirqs last disabled at (1650): [] __und_svc+0x60/0x6c # [ 106.718123] softirqs last enabled at (1516): [] __do_softirq+0x378/0x5fc # [ 106.725791] softirqs last disabled at (1509): [] __irq_exit_rcu+0x178/0x1d0 # [ 106.733632] CPU: 0 PID: 799 Comm: cat Tainted: G D 5.10.138-cip15 #1 # [ 106.741297] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 106.747829] Backtrace: # [ 106.750307] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 106.757888] r7:ffffffff r6:600e0093 r5:00000000 r4:c1f0f728 # [ 106.763563] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 106.770895] [] (dump_stack) from [] (___might_sleep+0x1b0/0x2c0) # [ 106.778651] r9:600e0093 r8:0000000b r7:c035bb84 r6:00000031 r5:c19cc370[ 107.578626] lkdtm: Performing direct entry WARNING r4:c6664000 # [ 106.786410] [<[ 107.585456] ------------[ cut here ]------------ c038e364>] (___might_sleep) from [ 107.592946] WARNING: CPU: 3 PID: 870 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x48/0x4c [] (__might_sleep+0x70/[ 107.604236] 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 etnaviv gpu_sched dw_hdmi_imx dw_hdmi imx_ldb parallel_display imxdrm imx_ipu_v3 0xb0) # [ 106.794250] r6:00000[ 107.635987] CPU: 3 PID: 870 Comm: cat Tainted: G D W 5.10.138-cip15 #1 000 r5:00000031 r4:c19cc370 # [ [ 107.646395] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 106.798888] [] (__migh[ 107.655785] Backtrace: t_sleep) from [] (exit_[ 107.661114] [] (dump_backtrace) from [] (show_stack+0x20/0x24) signals+0x4c/0x3fc) # [ 106.806[ 107.671530] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f728 640] r6:00000001 r5:c6664000 r4:[ 107.680058] [] (show_stack) from [] (dump_stack+0xe0/0x100) c5f25100 # [ 106.811281] [] (dump_stack) from [] (__warn+0xfc/0x16c) ccc0>] (exit_signals) from [] (do_exit+0x10c/0xb4c) # [[ 107.710650] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) 106.818601] r8:0000000b r7:c1e[ 107.720992] r7:00000053 r6:c1acfdc0 r5:00000000 r4:c63d0000 0fc8c r6:ffffe000 r5:00000000 r4:[ 107.729520] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING+0x48/0x4c) c5f25100 # [ 106.825319] [] (do_exit) from [[ 107.751075] [] (lkdtm_WARNING) from [] (lkdtm_do_action+0x2c/0x4c) ] (die+0x374/0x380) # [ 106.831[ 107.761854] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) 853] r7:c1e0fc8c # [ 106.83439[ 107.772722] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) 8] [] (die) from [] (do_undefinstr+0x170/0x240[ 107.794102] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) ) # [ 106.841460] r10:00000004[ 107.804789] r9:c07f52b4 r8:c63d1f60 r7:c2816000 r6:b6e6e000 r5:c4789a40 r4:00000000 r9:c6664000 r8:c15e7df8 r7:00000[ 107.815397] [] (vfs_write) from [] (ksys_write+0x74/0xec) 000 r6:c6665dc8 r5:c0c2e100 # [ [ 107.825391] r10:00000004 r9:00000000 r8:00000000 r7:b6e6e000 r6:c63d0000 r5:c4789a40 106.849295] r4:e7f001f2 # [ 1[ 107.836076] r4:c4789a40 06.851842] [] (do_undef[ 107.841483] [] (ksys_write) from [] (sys_write+0x18/0x1c) instr) from [] (__und_s[ 107.851474] r9:c63d0000 r8:c03002e4 r7:00000004 r6:b6fb5e00 r5:00000008 r4:00000008 vc_finish+0x0/0x54) # [ 106.859[ 107.862084] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) 766] Exception stack(0xc6665dc8 t[ 107.872507] Exception stack(0xc63d1fa8 to 0xc63d1ff0) o 0xc6665e10) # [ 106.864829] 5[ 107.880424] 1fa0: 00000008 00000008 00000001 b6e6e000 00000008 00000000 dc0: c15e7e00 e[ 107.891466] 1fc0: 00000008 00000008 b6fb5e00 00000004 00000001 00000000 00020000 bed53a54 f7815e0 cf98fc11 c0c2e0ec 0000000[ 107.902499] 1fe0: 00000004 bed53788 b6f2394f b6ea9c66 1 c6101000 # [ 106.873018] 5de0[ 107.910486] irq event stamp: 0 : 00000004 c6665f60 c15e7df8 c1ac[ 107.916367] hardirqs last enabled at (0): [<00000000>] 0x0 f704 00000004 c6665e64 c6665e68 c[ 107.924825] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c 6665e58 # [ 106.881203] 5e00: c[ 107.935180] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c 0c2db80 c0c2e100 a00e0013 fffffff[ 107.945502] softirqs last disabled at (0): [<00000000>] 0x0 f # [ 106.886265] r7:c6665dfc [ 107.953929] ---[ end trace f564789ceb3242a7 ]--- r6:ffffffff r5:a00e0013 r4:c0c2e104 # [ 106.891943] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) # [ 106.899528] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 106.907547] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 106.915475] r9:c6665f60 r8:c533ff00 r7:00000004 r6:b6e1f000 r5:c61c8280 r4:c0c2df60 # [ 106.923234] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 106.931076] r9:c07f52b4 r8:c6665f60 r7:c2816000 r6:b6e1f000 r5:c61c8280 r4:00000000 # [ 106.938831] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 106.945978] r10:00000004 r9:00000000 r8:00000000 r7:b6e1f000 r6:c6664000 r5:c61c8280 # [ 106.953813] r4:c61c8280 # [ 106.956362] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 106.963508] r9:c6664000 r8:c03002e4 r7:00000004 r6:b6f66e00 r5:00000004 r4:00000004 # [ 106.971265] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 106.978841] Exception stack(0xc6665fa8 to 0xc6665ff0) # [ 106.983903] 5fa0: 00000004 00000004 00000001 b6e1f000 00000004 00000000 # [ 106.992091] 5fc0: 00000004 00000004 b6f66e00 00000004 00000001 00000000 00020000 beec3a54 # [ 107.000277] 5fe0: 00000004 beec3788 b6ed494f b6e5ac66 # BUG: saw 'kernel BUG at': ok ok 2 selftests: lkdtm: BUG.sh # selftests: lkdtm: WARNING.sh # [ 107.578626] lkdtm: Performing direct entry WARNING # [ 107.585456] ------------[ cut here ]------------ # [ 107.592946] WARNING: CPU: 3 PID: 870 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x48/0x4c # [ 107.604236] 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 etnaviv gpu_sched dw_hdmi_imx dw_hdmi imx_ldb parallel_display imxdrm imx_ipu_v3 # [ 107.635987] CPU: 3 PID: 870 Comm: cat Tainted: G D W 5.10.138-cip15 #1 # [ 107.646395] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 107.655785] Backtrace: # [ 107.661114] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 107.671530] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f728 # [ 107.680058] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 107.690230] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 107.700046] r9:00000009 r8:c0c2e14c r7:00000053 r6:00000009 r5:c0c2e14c r4:c1acfdc0 # [ 107.710650] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 107.720992] r7:00000053 r6:c1acfdc0 r5:00000000 r4:c63d0000 # [ 107.729520] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING+0x48/0x4c) # [ 107.740466] r9:c1acf708 r8:c15e7df8 r7:c63d1f60 r6:00000008 r5:c5d2e000 r4:00000002 # [ 107.751075] [] (lkdtm_WARNING) from [] (lkdtm_do_action+0x2c/0x4c) # [ 107.761854] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 107.772722] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 107.783494] r9:c63d1f60 r8:c533ff00 r7:00000008 r6:b6e6e000 r5:c4789a40 r4:c0c2df60 # [ 107.794102] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 107.804789] r9:c07f52b4 r8:c63d1f60 r7:c2816000 r6:b6e6e000 r5:c4789a40 r4:00000000 # [ 107.815397] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 107.825391] r10:00000004 r9:00000000 r8:00000000 r7:b6e6e000 r6:c63d0000 r5:c4789a40 # [ 107.836076] r4:c4789a40 # [ 107.841483] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 107.851474] r9:c63d0000 r8:c03002e4 r7:00000004 r6:b6fb5e00 r5:00000008 r4:00000008 # [ 107.862084] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 107.872507] Exception stack(0xc63d1fa8 to 0xc63d1ff0) # [ 107.880424] 1fa0: 00000008 00000008 00000001 b6e6e000 00000008 00000000 # [ 107.891466] 1fc0: 00000008 00000008 b6fb5e00 00000004 00000001 00000000 00020000 bed53a54 # [ 107.902499] 1fe0: 00000004 bed53788 b6f2394f b6ea9c66 # [ 107.910486] irq event stamp: 0 # [ 107.916367] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 107.924825] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 1[ 108.348902] lkdtm: Performing direct entry WARNING_MESSAGE 07.935180] softirqs last enabled[ 108.357293] ------------[ cut here ]------------ at (0): [] copy_proces[ 108.364823] WARNING: CPU: 1 PID: 905 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x4c/0x54 s+0x5c8/0x194c # [ 107.945502] [ 108.376748] Warning message trigger count: 2 softirqs last disabled at (0): [<[ 108.383874] 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 etnaviv gpu_sched dw_hdmi_imx dw_hdmi imx_ldb parallel_display imxdrm imx_ipu_v3 00000000>] 0x0 # [ 107.953929] [ 108.415591] CPU: 1 PID: 905 Comm: cat Tainted: G D W 5.10.138-cip15 #1 ---[ end trace f564789ceb3242a7 ][ 108.426056] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) --- # WARNING: saw 'WARNING:': o[ 108.435446] Backtrace: k ok 3 selftests: lkdtm: WARNING[ 108.440777] [] (dump_backtrace) from [] (show_stack+0x20/0x24) .sh # selftests: lkdtm: WARNING_[ 108.451193] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f728 MESSAGE.sh [ 108.459720] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 108.468071] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 108.475049] r9:00000009 r8:c0c2e19c r7:00000058 r6:00000009 r5:c0c2e19c r4:c1acfdc0 [ 108.482807] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 108.490300] r7:00000058 r6:c1acfdc0 r5:c1acfddc r4:c6662000 [ 108.495977] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING_MESSAGE+0x4c/0x54) [ 108.504774] r9:c1acf710 r8:c15e7df8 r7:c6663f60 r6:00000010 r5:c5ae5000 r4:00000003 [ 108.512535] [] (lkdtm_WARNING_MESSAGE) from [] (lkdtm_do_action+0x2c/0x4c) [ 108.521163] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 108.529187] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 108.537115] r9:c6663f60 r8:c533ff00 r7:00000010 r6:b6e55000 r5:c580e780 r4:c0c2df60 [ 108.544876] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 108.552718] r9:c07f52b4 r8:c6663f60 r7:c2816000 r6:b6e55000 r5:c580e780 r4:00000000 [ 108.560474] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 108.567622] r10:00000004 r9:00000000 r8:00000000 r7:b6e55000 r6:c6662000 r5:c580e780 [ 108.575459] r4:c580e780 [ 108.578007] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 108.585155] r9:c6662000 r8:c03002e4 r7:00000004 r6:b6f9ce00 r5:00000010 r4:00000010 [ 108.592914] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 108.600492] Exception stack(0xc6663fa8 to 0xc6663ff0) [ 108.605556] 3fa0: 00000010 00000010 00000001 b6e55000 00000010 00000000 [ 108.613746] 3fc0: 00000010 00000010 b6f9ce00 00000004 00000001 00000000 00020000 bec90a54 [ 108.621932] 3fe0: 00000004 bec90788 b6f0a94f b6e90c66 [ 108.627069] irq event stamp: 0 [ 108.630147] hardirqs last enabled at (0): [<00000000>] 0x0 [ 108.635773] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 108.643316] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 108.650846] softirqs last disabled at (0): [<00000000>] 0x0 [ 108.656479] ---[ end trace f564789ceb3242a8 ]--- # [ 108.348902] lkdtm: Performing direct entry WARNING_MESSAGE # [ 108.357293] ------------[ cut here ]------------ # [ 108.364823] WARNING: CPU: 1 PID: 905 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x4c/0x54 # [ 108.376748] Warning message trigger count: 2 # [ 108.383874] 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 etnaviv gpu_sched dw_hdmi_imx dw_hdmi imx_ldb parallel_display imxdrm imx_ipu_v3 # [ 108.415591] CPU: 1 PID: 905 Comm: cat Tainted: G D W 5.10.138-cip15 #1 # [ 108.426056] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 108.435446] Backtrace: # [ 108.440777] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 108.451193] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f728 # [ 108.459720] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 108.468071] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 108.475049] r9:00000009 r8:c0c2e19c r7:00000058 r6:00000009 r5:c0c2e19c r4:c1acfdc0 # [ 108.482807] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 108.490300] r7:00000058 r6:c1acfdc0 r5:c1acfddc r4:c6662000 # [ 108.495977] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING_MESSAGE+0x4c/0x54) # [ 108.504774] r9:c1acf710 r8:c15e7df8 r7:c6663f60 r6:00000010 r5:c5ae5000 r4:00000003 # [ 108.512535] [] (lkdtm_WARNING_MESSAGE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 108.521163] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 108.529187] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 108.537115] r9:c6663f60 r8:c533ff00 r7:00000010 r6:b6e55000 r5:c580e780 r4:c0c2df60 # [ 108.544876] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 108.552718] r9:c07f52b4 r8:c6663f60 r7:c2816000 r6:b6e55000 r5:c580e780 r4:00000000 # [ 108.560474] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 108.567622] r10:00000004 r9:00000000 r8:00000000 r7:b6e55000 r6:c6662000 r5:c580e780 # [ 108.575459] r4:c580e780 # [ 108.578007] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 108.585155] r9:c6662000 r8:c03002e4 r7:00000004 r6:b6f9ce00 r5:00000010 r4:00000010 # [ 108.592914] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 108.600492] Exception stack(0xc6663fa8 to 0xc6663ff0) # [ 108.605556] 3fa0: 00000010 00000010 00000001 b6e55000 00000010 00000000 # [ 108.613746] 3fc0: 00000010 00000010 b6f9ce00 00000004 00000001 00000000 00020000 bec90a54 # [ 108.621932] 3fe0: 00000004 bec90788 b6f0a94f b6e90c66 # [ 108.627069] irq event stamp: 0 # [ 108.630147] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 108.635773] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 108.643316] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 108.650846] softirqs last disabled at (0): [<00000000>] 0x0 # [ 108.656479] ---[ end trace f564789ceb3242a8 ]--- # WARNING_MESSAGE: saw 'message trigger': ok ok 4 selftests: lkdtm: WARNING_MESSAGE.sh # selftests: lkdtm: EXCEPTION.sh [ 109.042559] lkdtm: Performing direct entry EXCEPTION [ 109.047561] 8<--- cut here --- [ 109.050632] Unable to handle kernel NULL pointer dereference at virtual address 00000000 [ 109.058809] pgd = b3e7adf0 [ 109.061536] [00000000] *pgd=00000000 [ 109.065230] Internal error: Oops: 805 [#2] SMP ARM [ 109.070038] 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 etnaviv gpu_sched dw_hdmi_imx dw_hdmi imx_ldb parallel_display imxdrm imx_ipu_v3 [ 109.099089] CPU: 1 PID: 937 Comm: cat Tainted: G D W 5.10.138-cip15 #1 [ 109.106755] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 109.113306] PC is at lkdtm_EXCEPTION+0x18/0x20 [ 109.117764] LR is at lkdtm_do_action+0x2c/0x4c [ 109.122217] pc : [] lr : [] psr: a00e0013 [ 109.128493] sp : c5b57e58 ip : c5b57e68 fp : c5b57e64 [ 109.133725] r10: 0000000a r9 : c1acf720 r8 : c15e7df8 [ 109.138960] r7 : c5b57f60 r6 : 0000000a r5 : c5ae5000 r4 : 00000004 [ 109.145494] r3 : 00000000 r2 : dc81a4b9 r1 : ef7965e0 r0 : c15e7e18 [ 109.152030] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 109.159176] Control: 10c5387d Table: 166bc04a DAC: 00000051 [ 109.164930] Process cat (pid: 937, stack limit = 0xb52d3aa0) [ 109.170598] Stack: (0xc5b57e58 to 0xc5b58000) [ 109.174966] 7e40: c5b57e74 c5b57e68 [ 109.183158] 7e60: c0c2db80 c0c2e1b0 c5b57e9c c5b57e78 c0c2e080 c0c2db60 c0c2df60 c580fb80 [ 109.191349] 7e80: b6e51000 0000000a c533ff00 c5b57f60 c5b57ec4 c5b57ea0 c07f5318 c0c2df6c [ 109.199538] 7ea0: 00000000 c580fb80 b6e51000 c2816000 c5b57f60 c07f52b4 c5b57f5c c5b57ec8 [ 109.207729] 7ec0: c0598368 c07f52c0 00000001 00000000 c05988fc c139fc00 c05988fc c5b56000 [ 109.215918] 7ee0: b6e51000 00020000 00000004 0000000a 0001fff6 c5b57ee0 00000001 b6e50000 [ 109.224106] 7f00: c29cbb80 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 109.232298] 7f20: 00000000 00000000 c139fc00 dc81a4b9 c205caa0 c580fb80 c580fb80 c5b56000 [ 109.240486] 7f40: b6e51000 00000000 00000000 00000004 c5b57f94 c5b57f60 c05988fc c0598268 [ 109.248676] 7f60: 00000000 00000000 c5b57fac dc81a4b9 0000000a 0000000a b6f98e00 00000004 [ 109.256865] 7f80: c03002e4 c5b56000 c5b57fa4 c5b57f98 c059898c c0598894 00000000 c5b57fa8 [ 109.265054] 7fa0: c03000c0 c0598980 0000000a 0000000a 00000001 b6e51000 0000000a 00000000 [ 109.273244] 7fc0: 0000000a 0000000a b6f98e00 00000004 00000001 00000000 00020000 beb88a54 [ 109.281434] 7fe0: 00000004 beb88788 b6f0694f b6e8cc66 800e0030 00000001 00000000 00000000 [ 109.289616] Backtrace: [ 109.292090] [] (lkdtm_EXCEPTION) from [] (lkdtm_do_action+0x2c/0x4c) [ 109.300201] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 109.308225] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 109.316156] r9:c5b57f60 r8:c533ff00 r7:0000000a r6:b6e51000 r5:c580fb80 r4:c0c2df60 [ 109.323920] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 109.331764] r9:c07f52b4 r8:c5b57f60 r7:c2816000 r6:b6e51000 r5:c580fb80 r4:00000000 [ 109.339522] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 109.346669] r10:00000004 r9:00000000 r8:00000000 r7:b6e51000 r6:c5b56000 r5:c580fb80 [ 109.354506] r4:c580fb80 [ 109.357055] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 109.364202] r9:c5b56000 r8:c03002e4 r7:00000004 r6:b6f98e00 r5:0000000a r4:0000000a [ 109.371962] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 109.379538] Exception stack(0xc5b57fa8 to 0xc5b57ff0) [ 109.384600] 7fa0: 0000000a 0000000a 00000001 b6e51000 0000000a 00000000 [ 109.392789] 7fc0: 0000000a 0000000a b6f98e00 00000004 00000001 00000000 00020000 beb88a54 [ 109.400975] 7fe0: 00000004 beb88788 b6f0694f b6e8cc66 [ 109.406040] Code: e24cb004 e52de004 e8bd4000 e3a03000 (e5833000) [ 109.412258] ---[ end trace f564789ceb3242a9 ]--- # Segmentation fault # [ 109.042559] lkdtm: Performing direct entry EXCEPTION # [ 109.047561] 8<--- cut here --- # [ 109.050632] Unable to handle kernel NULL pointer dereference at virtual address 00000000 # [ 109.058809] pgd = b3e7adf0 # [ 109.061536] [00000000] *pgd=00000000 # [ 109.065230] Internal error: Oops: 805 [#2] SMP ARM # [ 109.070038] 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 etnaviv gpu_sched dw_hdmi_imx dw_hdmi imx_ldb parallel_display imxdrm imx_ipu_v3 # [ 109.099089] CPU: 1 PID: 937 Comm: cat Tainted: G D W 5.10.138-cip15 #1 # [ 109.106755] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 109.113306] PC is at lkdtm_EXCEPTION+0x18/0x20 # [ 109.117764] LR is at lkdtm_do_action+0x2c/0x4c # [ 109.122217] pc : [] lr : [] psr: a00e0013 # [ 109.128493] sp : c5b57e58 ip : c5b57e68 fp : c5b57e64 # [ 109.133725] r10: 0000000a r9 : c1acf720 r8 : c15e7df8 # [ 109.138960] r7 : c5b57f60 r6 : 0000000a r5 : c5ae5000 r4 : 00000004 # [ 109.145494] r3 : 00000000 r2 : dc81a4b9 r1 : ef7965e0 r0 : c15e7e18 # [ 109.152030] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 109.159176] Control: 10c5387d Table: 166bc04a DAC: 00000051 # [ 109.164930] Process cat (pid: 937, stack limit = 0xb52d3aa0) # [ 109.170598] Stack: (0xc5b57e58 to 0xc5b58000) # [ 109.174966] 7e40: c5b57e74 c5b57e68 # [ 109.183158] 7e60: c0c2db80 c0c2e1b0 c5b57e9c c5b57e78 c0c2e080 c0c2db60 c0c2df60 c580fb80 # [ 109.191349] 7e80: b6e51000 0000000a c533ff00 c5b57f60 c5b57ec4 c5b57ea0 c07f5318 c0c2df6c # [ 109.199538] 7ea0: 00000000 c580fb80 b6e51000 c2816000 c5b57f60 c07f52b4 c5b57f5c c5b57ec8 # [ 109.207729] 7ec0: c0598368 c07f52c0 00000001 00000000 c05988fc c139fc00 c05988fc c5b56000 # [ 109.215918] 7ee0: b6e51000 00020000 00000004 0000000a 0001fff6 c5b57ee0 00000001 b6e50000 # [ 109.224106] 7f00: c29cbb80 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 109.232298] 7f20: 00000000 00000000 c139fc00 dc81a4b9 c205caa0 c580fb80 c580fb80 c5b56000 # [ 109.240486] 7f40: b6e51000 00000000 00000000 00000004 c5b57f94 c5b57f60 c05988fc c0598268 # [ 109.248676] 7f60: 00000000 00000000 c5b57fac dc81a4b9 0000000a 0000000a b6f98e00 00000004 # [ 109.256865] 7f80: c03002e4 c5b56000 c5b57fa4 c5b57f98 c059898c c0598894 00000000 c5b57fa8 # [ 109.265054] 7fa0: c03000c0 c0598980 0000000a 0000000a 00000001 b6e51000 0000000a 00000000 # [ 109.273244] 7fc0: 0000000a 0000000a b6f98e00 00000004 00000001 00000000 00020000 beb88a54 # [ 109.281434] 7fe0: 00000004 beb88788 b6f0694f b6e8cc66 800e0030 00000001 00000000 00000000 # [ 109.289616] Backtrace: # [ 109.292090] [] (lkdtm_EXCEPTION) from [] (lkdtm_do_action+0x2c/0x4c) # [ 109.300201] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 109.308225] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 109.316156] r9:c5b57f60 r8:c533ff00 r7:0000000a r6:b6e51000 r5:c580fb80 r4:c0c2df60 # [ 109.323920] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 109.331764] r9:c07f52b4 r8:c5b57f60 r7:c2816000 r6:b6e51000 r5:c580fb80 r4:00000000 # [ 109.339522] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 109.346669] r10:00000004 r9:00000000 r8:00000000 r7:b6e51000 r6:c5b56000 r5:c580fb80 # [ 109.354506] r4:c580fb80 # [ 109.357055] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 109.364202] r9:c5b56000 r8:c03002e4 r7:00000004 r6:b6f98e00 r5:0000000a r4:0000000a # [ 109.371962] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 109.379538] Exception stack(0xc5b57fa8 to 0xc5b57ff0) # [ 109.384600] 7fa0: 0000000a 0000000a 00000001 b6e51000 0000000a 00000000 # [ 109.392789] 7fc0: 0000000a 0000000a b6f98e00 00000004 00000001 00000000 00020000 beb88a54 # [ 109.400975] 7fe0: 00000004 beb88788 b6f0694f b6e8cc66 # [ 109.406040] Code: e24cb004 e52de004 e8bd4000 e3a03000 (e5833000) # [ 109.412258] ---[ end trace f564789ceb3242a9 ]--- # 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 [ 110.774802] lkdtm: Performing direct entry CORRUPT_LIST_ADD [ 110.780401] lkdtm: attempting good list addition [ 110.785131] lkdtm: attempting corrupted list addition [ 110.790198] lkdtm: list_add() corruption not detected! # [ 110.774802] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 110.780401] lkdtm: attempting good list addition # [ 110.785131] lkdtm: attempting corrupted list addition # [ 110.790198] 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 [ 111.206194] lkdtm: Performing direct entry CORRUPT_LIST_DEL [ 111.211818] lkdtm: attempting good list removal [ 111.216497] lkdtm: attempting corrupted list removal [ 111.221501] lkdtm: list_del() corruption not detected! # [ 111.206194] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 111.211818] lkdtm: attempting good list removal # [ 111.216497] lkdtm: attempting corrupted list removal # [ 111.221501] 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 [ 111.603334] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING [ 111.609627] lkdtm: attempting bad read from page below current stack [ 111.616074] lkdtm: FAIL: accessed page before stack! (byte: 96) # [ 111.603334] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 111.609627] lkdtm: attempting bad read from page below current stack # [ 111.616074] lkdtm: FAIL: accessed page before stack! (byte: 96) # 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 [ 112.004724] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING [ 112.011104] lkdtm: attempting bad read from page above current stack [ 112.017577] lkdtm: FAIL: accessed page after stack! (byte: 0) # [ 112.004724] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING # [ 112.011104] lkdtm: attempting bad read from page above current stack # [ 112.017577] 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 [ 112.409871] lkdtm: Performing direct entry UNSET_SMEP [ 112.415109] lkdtm: XFAIL: this test is x86_64-only # [ 112.409871] lkdtm: Performing direct entry UNSET_SMEP # [ 112.415109] 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 [ 112.819931] lkdtm: Performing direct entry DOUBLE_FAULT [ 112.825259] lkdtm: XFAIL: this test is ia32-only # [ 112.819931] lkdtm: Performing direct entry DOUBLE_FAULT # [ 112.825259] 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 [ 113.210570] lkdtm: Performing direct entry CORRUPT_PAC [ 113.215883] lkdtm: XFAIL: this test is arm64-only # [ 113.210570] lkdtm: Performing direct entry CORRUPT_PAC # [ 113.215883] 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 [ 113.605606] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE [ 113.612074] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS # [ 113.605606] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # [ 113.612074] 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 [ 114.491335] lkdtm: Performing direct entry READ_AFTER_FREE [ 114.496966] lkdtm: Value in memory before free: 12345678 [ 114.502446] lkdtm: Attempting bad read from freed memory [ 114.507798] lkdtm: Memory was not poisoned # [ 114.491335] lkdtm: Performing direct entry READ_AFTER_FREE # [ 114.496966] lkdtm: Value in memory before free: 12345678 # [ 114.502446] lkdtm: Attempting bad read from freed memory # [ 114.507798] 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 [ 115.139862] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE [ 115.146075] lkdtm: Value in memory before free: 12345678 [ 115.151427] lkdtm: Attempting to read from freed memory [ 115.156766] lkdtm: Buddy page was not poisoned # [ 115.139862] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE # [ 115.146075] lkdtm: Value in memory before free: 12345678 # [ 115.151427] lkdtm: Attempting to read from freed memory # [ 115.156766] 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 [ 115.545716] lkdtm: Performing direct entry SLAB_FREE_DOUBLE [ 115.551364] lkdtm: Attempting double slab free ... # [ 115.545716] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 115.551364] 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 [ 115.957688] lkdtm: Performing direct entry SLAB_FREE_CROSS [ 115.963266] lkdtm: Attempting cross-cache slab free ... # [ 115.957688] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 115.963266] 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 [ 116.388037] lkdtm: Performing direct entry SLAB_FREE_PAGE [ 116.393534] lkdtm: Attempting non-Slab slab free ... # [ 116.388037] lkdtm: Performing direct entry SLAB_FREE_PAGE # [ 116.393534] 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 [ 117.669739] lkdtm: Performing direct entry EXEC_DATA [ 117.674797] lkdtm: attempting ok execution at c0c2e8f0 [ 117.679953] lkdtm: attempting bad execution at c26f774c [ 117.685264] 8<--- cut here --- [ 117.688332] Unable to handle kernel paging request at virtual address c26f774c [ 117.695565] pgd = 561bebcb [ 117.698280] [c26f774c] *pgd=1261141e(bad) [ 117.702318] Internal error: Oops: 8000000d [#3] SMP ARM [ 117.707553] 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 etnaviv gpu_sched dw_hdmi_imx dw_hdmi imx_ldb parallel_display imxdrm imx_ipu_v3 [ 117.736628] CPU: 1 PID: 1780 Comm: cat Tainted: G D W 5.10.138-cip15 #1 [ 117.744378] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 117.750920] PC is at data_area+0x0/0x40 [ 117.754774] LR is at execute_location+0xa4/0xb4 [ 117.759314] pc : [] lr : [] psr: 600e0013 [ 117.765590] sp : c6649e38 ip : c6649d40 fp : c6649e54 [ 117.770821] r10: 0000000a r9 : c1acf904 r8 : c15e7df8 [ 117.776055] r7 : c6649f60 r6 : 00000001 r5 : c26f774c r4 : c0c2e8f0 [ 117.782590] r3 : 7e77e4d1 r2 : 7e77e4d1 r1 : ef7965e0 r0 : 0000002b [ 117.789125] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 117.796269] Control: 10c5387d Table: 167cc04a DAC: 00000051 [ 117.802024] Process cat (pid: 1780, stack limit = 0x945f9a95) [ 117.807780] Stack: (0xc6649e38 to 0xc664a000) [ 117.812149] 9e20: 0000001f c5d1f000 [ 117.820339] 9e40: 0000000a c6649f60 c6649e64 c6649e58 c138a5e0 c138a3dc c6649e74 c6649e68 [ 117.828529] 9e60: c0c2db80 c138a5c8 c6649e9c c6649e78 c0c2e080 c0c2db60 c0c2df60 c580de00 [ 117.836720] 9e80: b6ded000 0000000a c533ff00 c6649f60 c6649ec4 c6649ea0 c07f5318 c0c2df6c [ 117.844910] 9ea0: 00000000 c580de00 b6ded000 c2816000 c6649f60 c07f52b4 c6649f5c c6649ec8 [ 117.853101] 9ec0: c0598368 c07f52c0 00000001 00000000 c05988fc c46ec324 c05988fc c6648000 [ 117.861290] 9ee0: b6ded000 00020000 00000004 0000000a 0001fff6 c6649ee0 00000001 00000805 [ 117.869478] 9f00: c6060dc0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 117.877669] 9f20: 00000000 00000000 c6648000 7e77e4d1 b6dec000 c580de00 c580de00 c6648000 [ 117.885857] 9f40: b6ded000 00000000 00000000 00000004 c6649f94 c6649f60 c05988fc c0598268 [ 117.894047] 9f60: 00000000 00000000 c6649fac 7e77e4d1 0000000a 0000000a b6f34e00 00000004 [ 117.902236] 9f80: c03002e4 c6648000 c6649fa4 c6649f98 c059898c c0598894 00000000 c6649fa8 [ 117.910424] 9fa0: c03000c0 c0598980 0000000a 0000000a 00000001 b6ded000 0000000a 00000000 [ 117.918614] 9fc0: 0000000a 0000000a b6f34e00 00000004 00000001 00000000 00020000 be883a54 [ 117.926802] 9fe0: 00000004 be883788 b6ea294f b6e28c66 800e0030 00000001 00000000 00000000 [ 117.934984] Backtrace: [ 117.937454] [] (execute_location) from [] (lkdtm_EXEC_DATA+0x24/0x28) [ 117.945644] r7:c6649f60 r6:0000000a r5:c5d1f000 r4:0000001f [ 117.951327] [] (lkdtm_EXEC_DATA) from [] (lkdtm_do_action+0x2c/0x4c) [ 117.959435] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 117.967460] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 117.975391] r9:c6649f60 r8:c533ff00 r7:0000000a r6:b6ded000 r5:c580de00 r4:c0c2df60 [ 117.983151] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 117.990993] r9:c07f52b4 r8:c6649f60 r7:c2816000 r6:b6ded000 r5:c580de00 r4:00000000 [ 117.998750] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 118.005898] r10:00000004 r9:00000000 r8:00000000 r7:b6ded000 r6:c6648000 r5:c580de00 [ 118.013735] r4:c580de00 [ 118.016283] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 118.023431] r9:c6648000 r8:c03002e4 r7:00000004 r6:b6f34e00 r5:0000000a r4:0000000a [ 118.031191] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 118.038767] Exception stack(0xc6649fa8 to 0xc6649ff0) [ 118.043831] 9fa0: 0000000a 0000000a 00000001 b6ded000 0000000a 00000000 [ 118.052020] 9fc0: 0000000a 0000000a b6f34e00 00000004 00000001 00000000 00020000 be883a54 [ 118.060205] 9fe0: 00000004 be883788 b6ea294f b6e28c66 [ 118.065271] Code: 00000000 c2e24840 c2e24900 c2e249c0 (e1a0c00d) [ 118.071380] ---[ end trace f564789ceb3242aa ]--- # Segmentation fault # [ 117.669739] lkdtm: Performing direct entry EXEC_DATA # [ 117.674797] lkdtm: attempting ok execution at c0c2e8f0 # [ 117.679953] lkdtm: attempting bad execution at c26f774c # [ 117.685264] 8<--- cut here --- # [ 117.688332] Unable to handle kernel paging request at virtual address c26f774c # [ 117.695565] pgd = 561bebcb # [ 117.698280] [c26f774c] *pgd=1261141e(bad) # [ 117.702318] Internal error: Oops: 8000000d [#3] SMP ARM # [ 117.707553] 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 etnaviv gpu_sched dw_hdmi_imx dw_hdmi imx_ldb parallel_display imxdrm imx_ipu_v3 # [ 117.736628] CPU: 1 PID: 1780 Comm: cat Tainted: G D W 5.10.138-cip15 #1 # [ 117.744378] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 117.750920] PC is at data_area+0x0/0x40 # [ 117.754774] LR is at execute_location+0xa4/0xb4 # [ 117.759314] pc : [] lr : [] psr: 600e0013 # [ 117.765590] sp : c6649e38 ip : c6649d40 fp : c6649e54 # [ 117.770821] r10: 0000000a r9 : c1acf904 r8 : c15e7df8 # [ 117.776055] r7 : c6649f60 r6 : 00000001 r5 : c26f774c r4 : c0c2e8f0 # [ 117.782590] r3 : 7e77e4d1 r2 : 7e77e4d1 r1 : ef7965e0 r0 : 0000002b # [ 117.789125] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 117.796269] Control: 10c5387d Table: 167cc04a DAC: 00000051 # [ 117.802024] Process cat (pid: 1780, stack limit = 0x945f9a95) # [ 117.807780] Stack: (0xc6649e38 to 0xc664a000) # [ 117.812149] 9e20: 0000001f c5d1f000 # [ 117.820339] 9e40: 0000000a c6649f60 c6649e64 c6649e58 c138a5e0 c138a3dc c6649e74 c6649e68 # [ 117.828529] 9e60: c0c2db80 c138a5c8 c6649e9c c6649e78 c0c2e080 c0c2db60 c0c2df60 c580de00 # [ 117.836720] 9e80: b6ded000 0000000a c533ff00 c6649f60 c6649ec4 c6649ea0 c07f5318 c0c2df6c # [ 117.844910] 9ea0: 00000000 c580de00 b6ded000 c2816000 c6649f60 c07f52b4 c6649f5c c6649ec8 # [ 117.853101] 9ec0: c0598368 c07f52c0 00000001 00000000 c05988fc c46ec324 c05988fc c6648000 # [ 117.861290] 9ee0: b6ded000 00020000 00000004 0000000a 0001fff6 c6649ee0 00000001 00000805 # [ 117.869478] 9f00: c6060dc0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 117.877669] 9f20: 00000000 00000000 c6648000 7e77e4d1 b6dec000 c580de00 c580de00 c6648000 # [ 117.885857] 9f40: b6ded000 00000000 00000000 00000004 c6649f94 c6649f60 c05988fc c0598268 # [ 117.894047] 9f60: 00000000 00000000 c6649fac 7e77e4d1 0000000a 0000000a b6f34e00 00000004 # [ 117.902236] 9f80: c03002e4 c6648000 c6649fa4 c6649f98 c059898c c0598894 00000000 c6649fa8 # [ 117.910424] 9fa0: c03000c0 c0598980 0000000a 0000000a 00000001 b6ded000 0000000a 00000000 # [ 117.918614] 9fc0: 0000000a 0000000a b6f34e00 00000004 00000001 00000000 00020000 be883a54 # [ 117.926802] 9fe0: 00000004 be883788 b6ea294f b6e28c66 800e0030 00000001 00000000 00000000 # [ 117.934984] Backtrace: # [ 117.937454] [] (execute_location) from [] (lkdtm_EXEC_DATA+0x24/0x28) # [ 117.945644] r7:c6649f60 r6:0000000a r5:c5d1f000 r4:0000001f # [ 117.951327] [] (lkdtm_EXEC_DATA) from [] (lkdtm_do_action+0x2c/0x4c) # [ 117.959435] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 117.967460] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 117.975391] r9:c6649f60 r8:c533ff00 r7:0000000a r6:b6ded000 r5:c580de00 r4:c0c2df60 # [ 117.983151] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 117.990993] r9:c07f52b4 r8:c6649f60 r7:c2816000 r6:b6ded000 r5:c580de00 r4:00000000 # [ 117.998750] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 118.005898] r10:00000004 r9:00000000 r8:00000000 r7:b6ded000 r6:c6648000 r5:c580de00 # [ 118.013735] r4:c580de00 # [ 118.016283] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 118.023431] r9:c6648000 r8:c03002e4 r7:00000004 r6:b6f34e00 r5:0000000a r4:0000000a # [ 118.031191] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 118.038767] Exception stack(0xc6649fa8 to 0xc6649ff0) # [ 118.043831] 9fa0: 0000000a 0000000a 00000001 b6ded000 0000000a 00000000 # [ 118.052020] 9fc0: 0000000a 0000000a b6f34e00 00000004 00000001 00000000 00020000 be883a54 # [ 118.060205] 9fe0: 00000004 be883788 b6ea294f b6e28c66 # [ 118.065271] Code: 00000000 c2e24840 c2e24900 c2e2[ 118.596222] lkdtm: Performing direct entry EXEC_STACK 49c0 (e1a0c00d) # [ 118.071380[ 118.604064] lkdtm: attempting ok execution at c0c2e8f0 ] ---[ end trace f564789ceb[3 2 418.612012] lkdtm: attempting bad execution at c665de0c 2aa ]--- # EXEC_DATA: missing 'c[ 118.619832] 8<--- cut here --- all trace:': [FAIL][ n1o1t8 .o25671] Unable to handle kernel paging request at virtual address c665de0c k 30 selftests: l[k d t1m1:8 .E6X5061] pgd = aa757e24 EC_DATA.sh # exit=1 # selftests:[ 118.639849] [c665de0c] *pgd=1661141e(bad) lkdtm: EXEC_STACK.sh[ 118.646726] Internal error: Oops: 8000000d [#4] SMP ARM [ 118.653942] 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 etnaviv gpu_sched dw_hdmi_imx dw_hdmi imx_ldb parallel_display imxdrm imx_ipu_v3 [ 118.683019] CPU: 1 PID: 1856 Comm: cat Tainted: G D W 5.10.138-cip15 #1 [ 118.690770] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 118.697310] PC is at 0xc665de0c [ 118.700471] LR is at execute_location+0xa4/0xb4 [ 118.705011] pc : [] lr : [] psr: 600e0013 [ 118.711286] sp : c665dde8 ip : c665dcf0 fp : c665de04 [ 118.716520] r10: 0000000b r9 : c1acf910 r8 : c15e7df8 [ 118.721751] r7 : c665df60 r6 : 00000001 r5 : c665de0c r4 : c0c2e8f0 [ 118.728287] r3 : 76974784 r2 : 76974784 r1 : ef7965e0 r0 : 0000002b [ 118.734823] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 118.741966] Control: 10c5387d Table: 167d404a DAC: 00000051 [ 118.747722] Process cat (pid: 1856, stack limit = 0x374e9943) [ 118.753476] Stack: (0xc665dde8 to 0xc665e000) [ 118.757849] dde0: c665c000 c5b3e000 0000000b c665df60 c665de64 c665de08 [ 118.766040] de00: c138a61c c138a3dc c665de6c e1a0c00d e92dd800 e24cb004 e52de004 e8bd4000 [ 118.774230] de20: e89da800 e1a0c00d e92dd830 e24cb004 e52de004 e8bd4000 e3013374 e34c31b8 [ 118.782420] de40: e3a02040 e3a01d33 e5930018 76974784 0000000b 00000020 c665de74 c665de68 [ 118.790609] de60: c0c2db80 c138a5f0 c665de9c c665de78 c0c2e080 c0c2db60 c0c2df60 c580c640 [ 118.798800] de80: b6deb000 0000000b c533ff00 c665df60 c665dec4 c665dea0 c07f5318 c0c2df6c [ 118.806990] dea0: 00000000 c580c640 b6deb000 c2816000 c665df60 c07f52b4 c665df5c c665dec8 [ 118.815178] dec0: c0598368 c07f52c0 00000001 00000000 c05988fc c46ec8a4 c05988fc c665c000 [ 118.823367] dee0: b6deb000 00020000 00000004 0000000b 0001fff5 c665dee0 00000001 00000805 [ 118.831555] df00: c5acaa00 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 118.839744] df20: 00000000 00000000 c665c000 76974784 b6dea000 c580c640 c580c640 c665c000 [ 118.847932] df40: b6deb000 00000000 00000000 00000004 c665df94 c665df60 c05988fc c0598268 [ 118.856122] df60: 00000000 00000000 c665dfac 76974784 0000000b 0000000b b6f32e00 00000004 [ 118.864310] df80: c03002e4 c665c000 c665dfa4 c665df98 c059898c c0598894 00000000 c665dfa8 [ 118.872499] dfa0: c03000c0 c0598980 0000000b 0000000b 00000001 b6deb000 0000000b 00000000 [ 118.880686] dfc0: 0000000b 0000000b b6f32e00 00000004 00000001 00000000 00020000 bee7ea54 [ 118.888876] dfe0: 00000004 bee7e788 b6ea094f b6e26c66 800e0030 00000001 00000000 00000000 [ 118.897058] Backtrace: [ 118.899533] [] (execute_location) from [] (lkdtm_EXEC_STACK+0x38/0x54) [ 118.907811] r7:c665df60 r6:0000000b r5:c5b3e000 r4:c665c000 [ 118.913493] [] (lkdtm_EXEC_STACK) from [] (lkdtm_do_action+0x2c/0x4c) [ 118.921677] r4:00000020 [ 118.924228] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 118.932254] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 118.940184] r9:c665df60 r8:c533ff00 r7:0000000b r6:b6deb000 r5:c580c640 r4:c0c2df60 [ 118.947945] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 118.955788] r9:c07f52b4 r8:c665df60 r7:c2816000 r6:b6deb000 r5:c580c640 r4:00000000 [ 118.963543] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 118.970691] r10:00000004 r9:00000000 r8:00000000 r7:b6deb000 r6:c665c000 r5:c580c640 [ 118.978527] r4:c580c640 [ 118.981075] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 118.988223] r9:c665c000 r8:c03002e4 r7:00000004 r6:b6f32e00 r5:0000000b r4:0000000b [ 118.995982] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 119.003558] Exception stack(0xc665dfa8 to 0xc665dff0) [ 119.008622] dfa0: 0000000b 0000000b 00000001 b6deb000 0000000b 00000000 [ 119.016810] dfc0: 0000000b 0000000b b6f32e00 00000004 00000001 00000000 00020000 bee7ea54 [ 119.024997] dfe0: 00000004 bee7e788 b6ea094f b6e26c66 [ 119.030063] Code: c665de08 c138a61c c138a3dc c665de6c (e1a0c00d) [ 119.036170] ---[ end trace f564789ceb3242ab ]--- # Segmentation fault # [ 118.596222] lkdtm: Performing direct entry EXEC_STACK # [ 118.604064] lkdtm: attempting ok execution at c0c2e8f0 # [ 118.612012] lkdtm: attempting bad execution at c665de0c # [ 118.619832] 8<--- cut here --- # [ 118.625671] Unable to handle kernel paging request at virtual address c665de0c # [ 118.635061] pgd = aa757e24 # [ 118.639849] [c665de0c] *pgd=1661141e(bad) # [ 118.646726] Internal error: Oops: 8000000d [#4] SMP ARM # [ 118.653942] 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 etnaviv gpu_sched dw_hdmi_imx dw_hdmi imx_ldb parallel_display imxdrm imx_ipu_v3 # [ 118.683019] CPU: 1 PID: 1856 Comm: cat Tainted: G D W 5.10.138-cip15 #1 # [ 118.690770] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 118.697310] PC is at 0xc665de0c # [ 118.700471] LR is at execute_location+0xa4/0xb4 # [ 118.705011] pc : [] lr : [] psr: 600e0013 # [ 118.711286] sp : c665dde8 ip : c665dcf0 fp : c665de04 # [ 118.716520] r10: 0000000b r9 : c1acf910 r8 : c15e7df8 # [ 118.721751] r7 : c665df60 r6 : 00000001 r5 : c665de0c r4 : c0c2e8f0 # [ 118.728287] r3 : 76974784 r2 : 76974784 r1 : ef7965e0 r0 : 0000002b # [ 118.734823] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 118.741966] Control: 10c5387d Table: 167d404a DAC: 00000051 # [ 118.747722] Process cat (pid: 1856, stack limit = 0x374e9943) # [ 118.753476] Stack: (0xc665dde8 to 0xc665e000) # [ 118.757849] dde0: c665c000 c5b3e000 0000000b c665df60 c665de64 c665de08 # [ 118.766040] de00: c138a61c c138a3dc c665de6c e1a0c00d e92dd800 e24cb004 e52de004 e8bd4000 # [ 118.774230] de20: e89da800 e1a0c00d e92dd830 e24cb004 e52de004 e8bd4000 e3013374 e34c31b8 # [ 118.782420] de40: e3a02040 e3a01d33 e5930018 76974784 0000000b 00000020 c665de74 c665de68 # [ 118.790609] de60: c0c2db80 c138a5f0 c665de9c c665de78 c0c2e080 c0c2db60 c0c2df60 c580c640 # [ 118.798800] de80: b6deb000 0000000b c533ff00 c665df60 c665dec4 c665dea0 c07f5318 c0c2df6c # [ 118.806990] dea0: 00000000 c580c640 b6deb000 c2816000 c665df60 c07f52b4 c665df5c c665dec8 # [ 118.815178] dec0: c0598368 c07f52c0 00000001 00000000 c05988fc c46ec8a4 c05988fc c665c000 # [ 118.823367] dee0: b6deb000 00020000 00000004 0000000b 0001fff5 c665dee0 00000001 00000805 # [ 118.831555] df00: c5acaa00 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 118.839744] df20: 00000000 00000000 c665c000 76974784 b6dea000 c580c640 c580c640 c665c000 # [ 118.847932] df40: b6deb000 00000000 00000000 00000004 c665df94 c665df60 c05988fc c0598268 # [ 118.856122] df60: 00000000 00000000 c665dfac 76974784 0000000b 0000000b b6f32e00 00000004 # [ 118.864310] df80: c03002e4 c665c000 c665dfa4 c665df98 c059898c c0598894 00000000 c665dfa8 # [ 118.872499] dfa0: c03000c0 c0598980 0000000b 0000000b 00000001 b6deb000 0000000b 00000000 # [ 118.880686] dfc0: 0000000b 0000000b b6f32e00 00000004 00000001 00000000 00020000 bee7ea54 # [ 118.888876] dfe0: 00000004 bee7e788 b6ea094f b6e26c66 800e0030 00000001 00000000 00000000 # [ 118.897058] Backtrace: # [ 118.899533] [] (execute_location) from [] (lkdtm_EXEC_STACK+0x38/0x54) # [ 118.907811] r7:c665df60 r6:0000000b r5:c5b3e000 r4:c665c000 # [ 118.913493] [] (lkdtm_EXEC_STACK) from [] (lkdtm_do_action+0x2c/0x4c) # [ 118.921677] r4:00000020 # [ 118.924228] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 118.932254] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 118.940184] r9:c665df60 r8:c533ff00 r7:0000000b r6:b6deb000 r5:c580c640 r4:c0c2df60 # [ 118.947945] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 118.955788] r9:c07f52b4 r8:c665df60 r7:c2816000 r6:b6deb000 r5:c580c640 r4:00000000 # [ 118.963543] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 118.970691] r10:00000004 r9:00000000 r8:00000000 r7:b6deb000 r6:c665c000 r5:c580c640 # [ 118.978527] r4:c580c640 # [ 118.981075] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 118.988223] r9:c665c000 r8:c03002e4 r7:00000004 r6:b6f32e00 r5:0000000b r4:0000000b # [ 118.995982] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 119.003558] Exception stack(0xc665dfa8 to 0xc665dff0) # [ 119.008622] dfa0: 0000000b 0000000b 00000001 b6deb000 0000000b 00000000 # [ 119.016810] dfc0: 0000000b 0000000b b6f32e00 00000004 00000001 00000000 00020000 bee7ea54 # [ 119.024997] dfe0: 00000004 bee7e788 b6ea094f b6e[ 119.558541] lkdtm: Performing direct entry EXEC_KMALLOC 26c66 # [ 119.030063] Code: c66[ 119.564277] lkdtm: attempting ok execution at c0c2e8f0 5de08 c138a61c c138a3dc c665de6c [ 119.572305] lkdtm: attempting bad execution at c45a4440 (e1a0c00d) # [ 119.036170] ---[ 119.580263] 8<--- cut here --- [ 119.586136] Unable to handle kernel paging request at virtual address c45a4440 [ 119.593367] pgd = 9a1c9de1 [ 119.596082] [c45a4440] *pgd=1441141e(bad) [ 119.600121] Internal error: Oops: 8000000d [#5] SMP ARM [ 119.605354] 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 etnaviv gpu_sched dw_hdmi_imx dw_hdmi imx_ldb parallel_display imxdrm imx_ipu_v3 [ 119.634429] CPU: 0 PID: 1935 Comm: cat Tainted: G D W 5.10.138-cip15 #1 [ 119.642179] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 119.648718] PC is at 0xc45a4440 [ 119.651879] LR is at execute_location+0xa4/0xb4 [ 119.656419] pc : [] lr : [] psr: 600e0013 [ 119.662694] sp : c63d1e30 ip : 00000027 fp : c63d1e4c [ 119.667926] r10: 0000000d r9 : c1acf91c r8 : c15e7df8 [ 119.673160] r7 : c63d1f60 r6 : 00000001 r5 : c45a4440 r4 : c0c2e8f0 [ 119.679695] r3 : eb65ef7a r2 : eb65ef7a r1 : ef7815e4 r0 : 0000002b [ 119.686232] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 119.693377] Control: 10c5387d Table: 15e5c04a DAC: 00000051 [ 119.699130] Process cat (pid: 1935, stack limit = 0x2b1ba428) [ 119.704885] Stack: (0xc63d1e30 to 0xc63d2000) [ 119.709254] 1e20: c45a4440 c6445000 0000000d c63d1f60 [ 119.717444] 1e40: c63d1e64 c63d1e50 c0c2e940 c138a3dc 00000021 c6445000 c63d1e74 c63d1e68 [ 119.725633] 1e60: c0c2db80 c0c2e914 c63d1e9c c63d1e78 c0c2e080 c0c2db60 c0c2df60 c6060280 [ 119.733823] 1e80: b6e65000 0000000d c533ff00 c63d1f60 c63d1ec4 c63d1ea0 c07f5318 c0c2df6c [ 119.742012] 1ea0: 00000000 c6060280 b6e65000 c2816000 c63d1f60 c07f52b4 c63d1f5c c63d1ec8 [ 119.750202] 1ec0: c0598368 c07f52c0 00000001 00000000 c05988fc c139fc00 c05988fc c63d0000 [ 119.758392] 1ee0: b6e65000 00020000 00000004 0000000d 0001fff3 c63d1ee0 00000001 b6e64000 [ 119.766580] 1f00: c580edc0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 119.774771] 1f20: 00000000 00000000 c139fc00 eb65ef7a c205caa0 c6060280 c6060280 c63d0000 [ 119.782958] 1f40: b6e65000 00000000 00000000 00000004 c63d1f94 c63d1f60 c05988fc c0598268 [ 119.791146] 1f60: 00000000 00000000 c63d1fac eb65ef7a 0000000d 0000000d b6face00 00000004 [ 119.799335] 1f80: c03002e4 c63d0000 c63d1fa4 c63d1f98 c059898c c0598894 00000000 c63d1fa8 [ 119.807523] 1fa0: c03000c0 c0598980 0000000d 0000000d 00000001 b6e65000 0000000d 00000000 [ 119.815713] 1fc0: 0000000d 0000000d b6face00 00000004 00000001 00000000 00020000 becd5a54 [ 119.823901] 1fe0: 00000004 becd5788 b6f1a94f b6ea0c66 800e0030 00000001 00000000 00000000 [ 119.832082] Backtrace: [ 119.834561] [] (execute_location) from [] (lkdtm_EXEC_KMALLOC+0x38/0x44) [ 119.843013] r7:c63d1f60 r6:0000000d r5:c6445000 r4:c45a4440 [ 119.848690] [] (lkdtm_EXEC_KMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) [ 119.857049] r5:c6445000 r4:00000021 [ 119.860641] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 119.868663] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 119.876593] r9:c63d1f60 r8:c533ff00 r7:0000000d r6:b6e65000 r5:c6060280 r4:c0c2df60 [ 119.884353] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 119.892196] r9:c07f52b4 r8:c63d1f60 r7:c2816000 r6:b6e65000 r5:c6060280 r4:00000000 [ 119.899954] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 119.907102] r10:00000004 r9:00000000 r8:00000000 r7:b6e65000 r6:c63d0000 r5:c6060280 [ 119.914939] r4:c6060280 [ 119.917487] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 119.924634] r9:c63d0000 r8:c03002e4 r7:00000004 r6:b6face00 r5:0000000d r4:0000000d [ 119.932395] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 119.939971] Exception stack(0xc63d1fa8 to 0xc63d1ff0) [ 119.945036] 1fa0: 0000000d 0000000d 00000001 b6e65000 0000000d 00000000 [ 119.953225] 1fc0: 0000000d 0000000d b6face00 00000004 00000001 00000000 00020000 becd5a54 [ 119.961412] 1fe0: 00000004 becd5788 b6f1a94f b6ea0c66 [ 119.966477] Code: 00000000 00000000 00000000 00000000 (e1a0c00d) [ 119.972586] ---[ end trace f564789ceb3242ac ]--- [ end trace f564789ceb3242ab ]--- # EXEC_STACK: missing 'call trace:': [FAIL] not ok 31 selftests: lkdtm: EXEC_STACK.sh # exit=1 # selftests: lkdtm: EXEC_KMALLOC.sh # Segmentation fault # [ 119.558541] lkdtm: Performing direct entry EXEC_KMALLOC # [ 119.564277] lkdtm: attempting ok execution at c0c2e8f0 # [ 119.572305] lkdtm: attempting bad execution at c45a4440 # [ 119.580263] 8<--- cut here --- # [ 119.586136] Unable to handle kernel paging request at virtual address c45a4440 # [ 119.593367] pgd = 9a1c9de1 # [ 119.596082] [c45a4440] *pgd=1441141e(bad) # [ 119.600121] Internal error: Oops: 8000000d [#5] SMP ARM # [ 119.605354] 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 etnaviv gpu_sched dw_hdmi_imx dw_hdmi imx_ldb parallel_display imxdrm imx_ipu_v3 # [ 119.634429] CPU: 0 PID: 1935 Comm: cat Tainted: G D W 5.10.138-cip15 #1 # [ 119.642179] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 119.648718] PC is at 0xc45a4440 # [ 119.651879] LR is at execute_location+0xa4/0xb4 # [ 119.656419] pc : [] lr : [] psr: 600e0013 # [ 119.662694] sp : c63d1e30 ip : 00000027 fp : c63d1e4c # [ 119.667926] r10: 0000000d r9 : c1acf91c r8 : c15e7df8 # [ 119.673160] r7 : c63d1f60 r6 : 00000001 r5 : c45a4440 r4 : c0c2e8f0 # [ 119.679695] r3 : eb65ef7a r2 : eb65ef7a r1 : ef7815e4 r0 : 0000002b # [ 119.686232] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 119.693377] Control: 10c5387d Table: 15e5c04a DAC: 00000051 # [ 119.699130] Process cat (pid: 1935, stack limit = 0x2b1ba428) # [ 119.704885] Stack: (0xc63d1e30 to 0xc63d2000) # [ 119.709254] 1e20: c45a4440 c6445000 0000000d c63d1f60 # [ 119.717444] 1e40: c63d1e64 c63d1e50 c0c2e940 c138a3dc 00000021 c6445000 c63d1e74 c63d1e68 # [ 119.725633] 1e60: c0c2db80 c0c2e914 c63d1e9c c63d1e78 c0c2e080 c0c2db60 c0c2df60 c6060280 # [ 119.733823] 1e80: b6e65000 0000000d c533ff00 c63d1f60 c63d1ec4 c63d1ea0 c07f5318 c0c2df6c # [ 119.742012] 1ea0: 00000000 c6060280 b6e65000 c2816000 c63d1f60 c07f52b4 c63d1f5c c63d1ec8 # [ 119.750202] 1ec0: c0598368 c07f52c0 00000001 00000000 c05988fc c139fc00 c05988fc c63d0000 # [ 119.758392] 1ee0: b6e65000 00020000 00000004 0000000d 0001fff3 c63d1ee0 00000001 b6e64000 # [ 119.766580] 1f00: c580edc0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 119.774771] 1f20: 00000000 00000000 c139fc00 eb65ef7a c205caa0 c6060280 c6060280 c63d0000 # [ 119.782958] 1f40: b6e65000 00000000 00000000 00000004 c63d1f94 c63d1f60 c05988fc c0598268 # [ 119.791146] 1f60: 00000000 00000000 c63d1fac eb65ef7a 0000000d 0000000d b6face00 00000004 # [ 119.799335] 1f80: c03002e4 c63d0000 c63d1fa4 c63d1f98 c059898c c0598894 00000000 c63d1fa8 # [ 119.807523] 1fa0: c03000c0 c0598980 0000000d 0000000d 00000001 b6e65000 0000000d 00000000 # [ 119.815713] 1fc0: 0000000d 0000000d b6face00 00000004 00000001 00000000 00020000 becd5a54 # [ 119.823901] 1fe0: 00000004 becd5788 b6f1a94f b6ea0c66 800e0030 00000001 00000000 00000000 # [ 119.832082] Backtrace: # [ 119.834561] [] (execute_location) from [] (lkdtm_EXEC_KMALLOC+0x38/0x44) # [ 119.843013] r7:c63d1f60 r6:0000000d r5:c6445000 r4:c45a4440 # [ 119.848690] [] (lkdtm_EXEC_KMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) # [ 119.857049] r5:c6445000 r4:00000021 # [ 119.860641] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 119.868663] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 119.876593] r9:c63d1f60 r8:c533ff00 r7:0000000d r6:b6e65000 r5:c6060280 r4:c0c2df60 # [ 119.884353] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 119.892196] r9:c07f52b4 r8:c63d1f60 r7:c2816000 r6:b6e65000 r5:c6060280 r4:00000000 # [ 119.899954] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 119.907102] r10:00000004 r9:00000000 r8:00000000 r7:b6e65000 r6:c63d0000 r5:c6060280 # [ 119.914939] r4:c6060280 # [ 119.917487] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 119.924634] r9:c63d0000 r8:c03002e4 r7:00000004 r6:b6face00 r5:0000000d r4:0000000d # [ 119.932395] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 119.939971] Exception stack(0xc63d1fa8 to 0xc63d1ff0) # [ 119.945036] 1fa0: 0000000d 0000000d 00000001 b6e65000 0000000d 00000000 # [ 119.953225] 1fc0: 0000000d 0000000d b6face00 00000004 00000001 00000000 00020000 becd5a54 # [ 119.961412] 1fe0: 00000004 becd5788 b6f1a94f b6ea0c66 # [ 119.966477] Code: 00000000 00000000 00000000 00000000 (e1a0c00d) [ 120.504407] lkdtm: Performing direct entry EXEC_VMALLOC # [ 119.972586] ---[ end trace[ 120.511580] lkdtm: attempting ok execution at c0c2e8f0 f564789ceb3242ac ]--- # EXEC_KM[ 120.519665] lkdtm: attempting bad execution at f0973000 ALLOC: missing 'call trace:': [FA[ 120.527775] 8<--- cut here --- IL] not ok 32 selftests: lkdtm: [ 120.533692] Unable to handle kernel paging request at virtual address f0973000 EXEC_KMALLOC.sh # exit=1 # selft[ 120.543841] pgd = c0067321 ests: lkdtm: EXEC_VMALLOC.sh [ 120.549373] [f0973000] *pgd=1294b811, *pte=4908565f, *ppte=4908545f [ 120.558246] Internal error: Oops: 8000000f [#6] SMP ARM [ 120.563482] 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 etnaviv gpu_sched dw_hdmi_imx dw_hdmi imx_ldb parallel_display imxdrm imx_ipu_v3 [ 120.592553] CPU: 0 PID: 2012 Comm: cat Tainted: G D W 5.10.138-cip15 #1 [ 120.600304] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 120.606844] PC is at 0xf0973000 [ 120.610004] LR is at execute_location+0xa4/0xb4 [ 120.614544] pc : [] lr : [] psr: 600e0013 [ 120.620820] sp : c61f9e30 ip : c61f9d38 fp : c61f9e4c [ 120.626052] r10: 0000000d r9 : c1acf92c r8 : c15e7df8 [ 120.631284] r7 : c61f9f60 r6 : 00000001 r5 : f0973000 r4 : c0c2e8f0 [ 120.637818] r3 : e3fb98e3 r2 : e3fb98e3 r1 : ef7815e0 r0 : 0000002b [ 120.644353] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 120.651496] Control: 10c5387d Table: 166f404a DAC: 00000051 [ 120.657251] Process cat (pid: 2012, stack limit = 0xe6ff448d) [ 120.663005] Stack: (0xc61f9e30 to 0xc61fa000) [ 120.667376] 9e20: f0973000 c6445000 0000000d c61f9f60 [ 120.675565] 9e40: c61f9e64 c61f9e50 c0c2e974 c138a3dc 00000022 c6445000 c61f9e74 c61f9e68 [ 120.683755] 9e60: c0c2db80 c0c2e958 c61f9e9c c61f9e78 c0c2e080 c0c2db60 c0c2df60 c5acaf00 [ 120.691944] 9e80: b6e95000 0000000d c533ff00 c61f9f60 c61f9ec4 c61f9ea0 c07f5318 c0c2df6c [ 120.700133] 9ea0: 00000000 c5acaf00 b6e95000 c2816000 c61f9f60 c07f52b4 c61f9f5c c61f9ec8 [ 120.708324] 9ec0: c0598368 c07f52c0 00000001 00000000 c05988fc c139fc00 c05988fc c61f8000 [ 120.716512] 9ee0: b6e95000 00020000 00000004 0000000d 0001fff3 c61f9ee0 00000001 b6e94000 [ 120.724700] 9f00: c580e3c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 120.732891] 9f20: 00000000 00000000 c139fc00 e3fb98e3 c205caa0 c5acaf00 c5acaf00 c61f8000 [ 120.741079] 9f40: b6e95000 00000000 00000000 00000004 c61f9f94 c61f9f60 c05988fc c0598268 [ 120.749268] 9f60: 00000000 00000000 c61f9fac e3fb98e3 0000000d 0000000d b6fdce00 00000004 [ 120.757456] 9f80: c03002e4 c61f8000 c61f9fa4 c61f9f98 c059898c c0598894 00000000 c61f9fa8 [ 120.765644] 9fa0: c03000c0 c0598980 0000000d 0000000d 00000001 b6e95000 0000000d 00000000 [ 120.773834] 9fc0: 0000000d 0000000d b6fdce00 00000004 00000001 00000000 00020000 beb8ea54 [ 120.782022] 9fe0: 00000004 beb8e788 b6f4a94f b6ed0c66 800e0030 00000001 00000000 00000000 [ 120.790203] Backtrace: [ 120.792682] [] (execute_location) from [] (lkdtm_EXEC_VMALLOC+0x28/0x34) [ 120.801134] r7:c61f9f60 r6:0000000d r5:c6445000 r4:f0973000 [ 120.806811] [] (lkdtm_EXEC_VMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) [ 120.815171] r5:c6445000 r4:00000022 [ 120.818764] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 120.826791] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 120.834721] r9:c61f9f60 r8:c533ff00 r7:0000000d r6:b6e95000 r5:c5acaf00 r4:c0c2df60 [ 120.842483] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 120.850327] r9:c07f52b4 r8:c61f9f60 r7:c2816000 r6:b6e95000 r5:c5acaf00 r4:00000000 [ 120.858085] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 120.865232] r10:00000004 r9:00000000 r8:00000000 r7:b6e95000 r6:c61f8000 r5:c5acaf00 [ 120.873068] r4:c5acaf00 [ 120.875617] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 120.882763] r9:c61f8000 r8:c03002e4 r7:00000004 r6:b6fdce00 r5:0000000d r4:0000000d [ 120.890522] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 120.898098] Exception stack(0xc61f9fa8 to 0xc61f9ff0) [ 120.903163] 9fa0: 0000000d 0000000d 00000001 b6e95000 0000000d 00000000 [ 120.911352] 9fc0: 0000000d 0000000d b6fdce00 00000004 00000001 00000000 00020000 beb8ea54 [ 120.919540] 9fe0: 00000004 beb8e788 b6f4a94f b6ed0c66 [ 120.924607] Code: bad PC value [ 120.927718] ---[ end trace f564789ceb3242ad ]--- # Segmentation fault # [ 120.504407] lkdtm: Performing direct entry EXEC_VMALLOC # [ 120.511580] lkdtm: attempting ok execution at c0c2e8f0 # [ 120.519665] lkdtm: attempting bad execution at f0973000 # [ 120.527775] 8<--- cut here --- # [ 120.533692] Unable to handle kernel paging request at virtual address f0973000 # [ 120.543841] pgd = c0067321 # [ 120.549373] [f0973000] *pgd=1294b811, *pte=4908565f, *ppte=4908545f # [ 120.558246] Internal error: Oops: 8000000f [#6] SMP ARM # [ 120.563482] 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 etnaviv gpu_sched dw_hdmi_imx dw_hdmi imx_ldb parallel_display imxdrm imx_ipu_v3 # [ 120.592553] CPU: 0 PID: 2012 Comm: cat Tainted: G D W 5.10.138-cip15 #1 # [ 120.600304] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 120.606844] PC is at 0xf0973000 # [ 120.610004] LR is at execute_location+0xa4/0xb4 # [ 120.614544] pc : [] lr : [] psr: 600e0013 # [ 120.620820] sp : c61f9e30 ip : c61f9d38 fp : c61f9e4c # [ 120.626052] r10: 0000000d r9 : c1acf92c r8 : c15e7df8 # [ 120.631284] r7 : c61f9f60 r6 : 00000001 r5 : f0973000 r4 : c0c2e8f0 # [ 120.637818] r3 : e3fb98e3 r2 : e3fb98e3 r1 : ef7815e0 r0 : 0000002b # [ 120.644353] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 120.651496] Control: 10c5387d Table: 166f404a DAC: 00000051 # [ 120.657251] Process cat (pid: 2012, stack limit = 0xe6ff448d) # [ 120.663005] Stack: (0xc61f9e30 to 0xc61fa000) # [ 120.667376] 9e20: f0973000 c6445000 0000000d c61f9f60 # [ 120.675565] 9e40: c61f9e64 c61f9e50 c0c2e974 c138a3dc 00000022 c6445000 c61f9e74 c61f9e68 # [ 120.683755] 9e60: c0c2db80 c0c2e958 c61f9e9c c61f9e78 c0c2e080 c0c2db60 c0c2df60 c5acaf00 # [ 120.691944] 9e80: b6e95000 0000000d c533ff00 c61f9f60 c61f9ec4 c61f9ea0 c07f5318 c0c2df6c # [ 120.700133] 9ea0: 00000000 c5acaf00 b6e95000 c2816000 c61f9f60 c07f52b4 c61f9f5c c61f9ec8 # [ 120.708324] 9ec0: c0598368 c07f52c0 00000001 00000000 c05988fc c139fc00 c05988fc c61f8000 # [ 120.716512] 9ee0: b6e95000 00020000 00000004 0000000d 0001fff3 c61f9ee0 00000001 b6e94000 # [ 120.724700] 9f00: c580e3c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 120.732891] 9f20: 00000000 00000000 c139fc00 e3fb98e3 c205caa0 c5acaf00 c5acaf00 c61f8000 # [ 120.741079] 9f40: b6e95000 00000000 00000000 00000004 c61f9f94 c61f9f60 c05988fc c0598268 # [ 120.749268] 9f60: 00000000 00000000 c61f9fac e3fb98e3 0000000d 0000000d b6fdce00 00000004 # [ 120.757456] 9f80: c03002e4 c61f8000 c61f9fa4 c61f9f98 c059898c c0598894 00000000 c61f9fa8 # [ 120.765644] 9fa0: c03000c0 c0598980 0000000d 0000000d 00000001 b6e95000 0000000d 00000000 # [ 120.773834] 9fc0: 0000000d 0000000d b6fdce00 00000004 00000001 00000000 00020000 beb8ea54 # [ 120.782022] 9fe0: 00000004 beb8e788 b6f4a94f b6ed0c66 800e0030 00000001 00000000 00000000 # [ 120.790203] Backtrace: # [ 120.792682] [] (execute_location) from [] (lkdtm_EXEC_VMALLOC+0x28/0x34) # [ 120.801134] r7:c61f9f60 r6:0000000d r5:c6445000 r4:f0973000 # [ 120.806811] [] (lkdtm_EXEC_VMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) # [ 120.815171] r5:c6445000 r4:00000022 # [ 120.818764] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 120.826791] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 120.834721] r9:c61f9f60 r8:c533ff00 r7:0000000d r6:b6e95000 r5:c5acaf00 r4:c0c2df60 # [ 120.842483] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 120.850327] r9:c07f52b4 r8:c61f9f60 r7:c2816000 r6:b6e95000 r5:c5acaf00 r4:00000000 # [ 120.858085] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 120.865232] r10:00000004 r9:00000000 r8:00000000 r7:b6e95000 r6:c61f8000 r5:c5acaf00 # [ 120.873068] r4:c5acaf00 # [ 120.875617] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 120.882763] r9:c61f8000 r8:c03002e4 r7:00000004 r6:b6fdce00 r5:0000000d r4:0000000d # [ 120.890522] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 120.898098] Exception stack(0xc61f9fa8 to 0xc61f9ff0) # [ 120.903163] 9fa0: 0000000d 0000000d 00000001 b6e95000 0000000d 00000000 # [ 120.911352] 9fc0: 0000000d 0000000d b6fdce00 00000004 00000001 00000000 00020000 beb8ea54 # [ 120.919540] 9fe0: 00000004 beb8e788 b6f4a94f b6ed0c66 # [ 120.924607] Code: bad PC value # [ 120.927718] ---[ end trace f564789ceb3242ad ]--- # EXEC_VMALLOC: missing 'call trace:': [FAIL] not ok 33 selftests: lkdtm: EXEC_VMALLOC.sh # exit=1 # selftests: lkdtm: EXEC_RODATA.sh [ 121.498607] lkdtm: Performing direct entry EXEC_RODATA [ 121.503845] lkdtm: attempting ok execution at c0c2e8f0 [ 121.509001] lkdtm: attempting bad execution at c15e8094 [ 121.514285] 8<--- cut here --- [ 121.517353] Unable to handle kernel paging request at virtual address c15e8094 [ 121.524584] pgd = e2b8df69 [ 121.527299] [c15e8094] *pgd=1141941e(bad) [ 121.531337] Internal error: Oops: 8000000d [#7] SMP ARM [ 121.536571] 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 etnaviv gpu_sched dw_hdmi_imx dw_hdmi imx_ldb parallel_display imxdrm imx_ipu_v3 [ 121.565646] CPU: 3 PID: 2089 Comm: cat Tainted: G D W 5.10.138-cip15 #1 [ 121.573397] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 121.579943] PC is at lkdtm_rodata_do_nothing+0x0/0x10 [ 121.585010] LR is at execute_location+0xa4/0xb4 [ 121.589549] pc : [] lr : [] psr: 600e0013 [ 121.595822] sp : c6663e38 ip : c6663d40 fp : c6663e54 [ 121.601054] r10: 0000000c r9 : c1acf93c r8 : c15e7df8 [ 121.606287] r7 : c6663f60 r6 : 00000000 r5 : c15e8094 r4 : c0c2e8f0 [ 121.612821] r3 : 9e77444e r2 : 9e77444e r1 : ef7c05e0 r0 : 0000002b [ 121.619357] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 121.626501] Control: 10c5387d Table: 166e404a DAC: 00000051 [ 121.632255] Process cat (pid: 2089, stack limit = 0x87e1aec0) [ 121.638010] Stack: (0xc6663e38 to 0xc6664000) [ 121.642377] 3e20: 00000023 c4533000 [ 121.650567] 3e40: 0000000c c6663f60 c6663e64 c6663e58 c138a65c c138a3dc c6663e74 c6663e68 [ 121.658757] 3e60: c0c2db80 c138a644 c6663e9c c6663e78 c0c2e080 c0c2db60 c0c2df60 c580c000 [ 121.666946] 3e80: b6de1000 0000000c c533ff00 c6663f60 c6663ec4 c6663ea0 c07f5318 c0c2df6c [ 121.675135] 3ea0: 00000000 c580c000 b6de1000 c2816000 c6663f60 c07f52b4 c6663f5c c6663ec8 [ 121.683326] 3ec0: c0598368 c07f52c0 00000001 00000000 c05988fc c2d771e4 c05988fc c6662000 [ 121.691515] 3ee0: b6de1000 00020000 00000004 0000000c 0001fff4 c6663ee0 00000001 00000805 [ 121.699702] 3f00: c580ef00 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 121.707894] 3f20: 00000000 00000000 c6662000 9e77444e b6de0000 c580c000 c580c000 c6662000 [ 121.716083] 3f40: b6de1000 00000000 00000000 00000004 c6663f94 c6663f60 c05988fc c0598268 [ 121.724273] 3f60: 00000000 00000000 c6663fac 9e77444e 0000000c 0000000c b6f28e00 00000004 [ 121.732462] 3f80: c03002e4 c6662000 c6663fa4 c6663f98 c059898c c0598894 00000000 c6663fa8 [ 121.740650] 3fa0: c03000c0 c0598980 0000000c 0000000c 00000001 b6de1000 0000000c 00000000 [ 121.748840] 3fc0: 0000000c 0000000c b6f28e00 00000004 00000001 00000000 00020000 bee68a54 [ 121.757029] 3fe0: 00000004 bee68788 b6e9694f b6e1cc66 800e0030 00000001 00000000 00000000 [ 121.765210] Backtrace: [ 121.767681] [] (execute_location) from [] (lkdtm_EXEC_RODATA+0x24/0x28) [ 121.776044] r7:c6663f60 r6:0000000c r5:c4533000 r4:00000023 [ 121.781726] [] (lkdtm_EXEC_RODATA) from [] (lkdtm_do_action+0x2c/0x4c) [ 121.790007] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 121.798032] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 121.805961] r9:c6663f60 r8:c533ff00 r7:0000000c r6:b6de1000 r5:c580c000 r4:c0c2df60 [ 121.813722] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 121.821565] r9:c07f52b4 r8:c6663f60 r7:c2816000 r6:b6de1000 r5:c580c000 r4:00000000 [ 121.829321] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 121.836468] r10:00000004 r9:00000000 r8:00000000 r7:b6de1000 r6:c6662000 r5:c580c000 [ 121.844305] r4:c580c000 [ 121.846853] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 121.854001] r9:c6662000 r8:c03002e4 r7:00000004 r6:b6f28e00 r5:0000000c r4:0000000c [ 121.861761] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 121.869336] Exception stack(0xc6663fa8 to 0xc6663ff0) [ 121.874400] 3fa0: 0000000c 0000000c 00000001 b6de1000 0000000c 00000000 [ 121.882590] 3fc0: 0000000c 0000000c b6f28e00 00000004 00000001 00000000 00020000 bee68a54 [ 121.890775] 3fe0: 00000004 bee68788 b6e9694f b6e1cc66 [ 121.895840] Code: 5f727563 6e756f63 00000074 aa55aa55 (e1a0c00d) [ 121.901948] ---[ end trace f564789ceb3242ae ]--- # Segmentation fault # [ 121.498607] lkdtm: Performing direct entry EXEC_RODATA # [ 121.503845] lkdtm: attempting ok execution at c0c2e8f0 # [ 121.509001] lkdtm: attempting bad execution at c15e8094 # [ 121.514285] 8<--- cut here --- # [ 121.517353] Unable to handle kernel paging request at virtual address c15e8094 # [ 121.524584] pgd = e2b8df69 # [ 121.527299] [c15e8094] *pgd=1141941e(bad) # [ 121.531337] Internal error: Oops: 8000000d [#7] SMP ARM # [ 121.536571] 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 etnaviv gpu_sched dw_hdmi_imx dw_hdmi imx_ldb parallel_display imxdrm imx_ipu_v3 # [ 121.565646] CPU: 3 PID: 2089 Comm: cat Tainted: G D W 5.10.138-cip15 #1 # [ 121.573397] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 121.579943] PC is at lkdtm_rodata_do_nothing+0x0/0x10 # [ 121.585010] LR is at execute_location+0xa4/0xb4 # [ 121.589549] pc : [] lr : [] psr: 600e0013 # [ 121.595822] sp : c6663e38 ip : c6663d40 fp : c6663e54 # [ 121.601054] r10: 0000000c r9 : c1acf93c r8 : c15e7df8 # [ 121.606287] r7 : c6663f60 r6 : 00000000 r5 : c15e8094 r4 : c0c2e8f0 # [ 121.612821] r3 : 9e77444e r2 : 9e77444e r1 : ef7c05e0 r0 : 0000002b # [ 121.619357] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 121.626501] Control: 10c5387d Table: 166e404a DAC: 00000051 # [ 121.632255] Process cat (pid: 2089, stack limit = 0x87e1aec0) # [ 121.638010] Stack: (0xc6663e38 to 0xc6664000) # [ 121.642377] 3e20: 00000023 c4533000 # [ 121.650567] 3e40: 0000000c c6663f60 c6663e64 c6663e58 c138a65c c138a3dc c6663e74 c6663e68 # [ 121.658757] 3e60: c0c2db80 c138a644 c6663e9c c6663e78 c0c2e080 c0c2db60 c0c2df60 c580c000 # [ 121.666946] 3e80: b6de1000 0000000c c533ff00 c6663f60 c6663ec4 c6663ea0 c07f5318 c0c2df6c # [ 121.675135] 3ea0: 00000000 c580c000 b6de1000 c2816000 c6663f60 c07f52b4 c6663f5c c6663ec8 # [ 121.683326] 3ec0: c0598368 c07f52c0 00000001 00000000 c05988fc c2d771e4 c05988fc c6662000 # [ 121.691515] 3ee0: b6de1000 00020000 00000004 0000000c 0001fff4 c6663ee0 00000001 00000805 # [ 121.699702] 3f00: c580ef00 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 121.707894] 3f20: 00000000 00000000 c6662000 9e77444e b6de0000 c580c000 c580c000 c6662000 # [ 121.716083] 3f40: b6de1000 00000000 00000000 00000004 c6663f94 c6663f60 c05988fc c0598268 # [ 121.724273] 3f60: 00000000 00000000 c6663fac 9e77444e 0000000c 0000000c b6f28e00 00000004 # [ 121.732462] 3f80: c03002e4 c6662000 c6663fa4 c6663f98 c059898c c0598894 00000000 c6663fa8 # [ 121.740650] 3fa0: c03000c0 c0598980 0000000c 0000000c 00000001 b6de1000 0000000c 00000000 # [ 121.748840] 3fc0: 0000000c 0000000c b6f28e00 00000004 00000001 00000000 00020000 bee68a54 # [ 121.757029] 3fe0: 00000004 bee68788 b6e9694f b6e1cc66 800e0030 00000001 00000000 00000000 # [ 121.765210] Backtrace: # [ 121.767681] [] (execute_location) from [] (lkdtm_EXEC_RODATA+0x24/0x28) # [ 121.776044] r7:c6663f60 r6:0000000c r5:c4533000 r4:00000023 # [ 121.781726] [] (lkdtm_EXEC_RODATA) from [] (lkdtm_do_action+0x2c/0x4c) # [ 121.790007] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 121.798032] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 121.805961] r9:c6663f60 r8:c533ff00 r7:0000000c r6:b6de1000 r5:c580c000 r4:c0c2df60 # [ 121.813722] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 121.821565] r9:c07f52b4 r8:c6663f60 r7:c2816000 r6:b6de1000 r5:c580c000 r4:00000000 # [ 121.829321] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 121.836468] r10:00000004 r9:00000000 r8:00000000 r7:b6de1000 r6:c6662000 r5:c580c000 # [ 121.844305] r4:c580c000 # [ 121.846853] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 121.854001] r9:c6662000 r8:c03002e4 r7:00000004 r6:b6f28e00 r5:0000000c r4:0000000c # [ 121.861761] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 121.869336] Exception stack(0xc6663fa8 to 0xc6663ff0) # [ 121.874400] 3fa0: 0000000c 0000000c 00000001 b6de1000 0000000c 00000000 # [ 121.882590] 3fc0: 0000000c 0000000c b6f28e00 00000004 00000001 00000000 00020000 bee68a54 # [ 121.890775] 3fe0: 00000004 bee68788 b6e9694f b6e1cc66 # [ 121.895840] Code: 5f727563 6e756f63 00000074 aa55aa55 (e1a0c00d) # [ 121.901948] ---[ end trace f564789ceb3242ae ]--- # EXEC_RODATA: missing 'call trace:': [FAIL] not ok 34 selftests: lkdtm: EXEC_RODATA.sh # exit=[ 122.448294] lkdtm: Performing direct entry EXEC_USERSPACE 1 # selftests: lkdtm: EXEC_USERS[ 122.456305] lkdtm: attempting ok execution at c0c2e8f0 PACE.sh [ 122.464406] lkdtm: attempting bad execution at b6f3e000 [ 122.470220] Unhandled prefetch abort: page domain fault (0x00b) at 0xb6f3e000 [ 122.477367] Internal error: : b [#8] SMP ARM [ 122.481647] 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 etnaviv gpu_sched dw_hdmi_imx dw_hdmi imx_ldb parallel_display imxdrm imx_ipu_v3 [ 122.510721] CPU: 1 PID: 2165 Comm: cat Tainted: G D W 5.10.138-cip15 #1 [ 122.518470] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 122.525010] PC is at 0xb6f3e000 [ 122.528174] LR is at lkdtm_EXEC_USERSPACE+0xc4/0xd4 [ 122.533059] pc : [] lr : [] psr: 600e0013 [ 122.539334] sp : c6659e48 ip : 00000027 fp : c6659e64 [ 122.544567] r10: 0000000f r9 : c1acf948 r8 : c15e7df8 [ 122.549799] r7 : c6659f60 r6 : 0000000f r5 : c2b3b000 r4 : b6f3e000 [ 122.556334] r3 : bf738078 r2 : bf738078 r1 : ef7965e4 r0 : 0000002b [ 122.562870] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 122.570013] Control: 10c5387d Table: 166c804a DAC: 00000051 [ 122.575770] Process cat (pid: 2165, stack limit = 0x560be491) [ 122.581524] Stack: (0xc6659e48 to 0xc665a000) [ 122.585896] 9e40: 00000001 00000000 0000000f 00000024 c6659e74 c6659e68 [ 122.594087] 9e60: c0c2db80 c0c2e98c c6659e9c c6659e78 c0c2e080 c0c2db60 c0c2df60 c61c9400 [ 122.602278] 9e80: b6df8000 0000000f c533ff00 c6659f60 c6659ec4 c6659ea0 c07f5318 c0c2df6c [ 122.610467] 9ea0: 00000000 c61c9400 b6df8000 c2816000 c6659f60 c07f52b4 c6659f5c c6659ec8 [ 122.618657] 9ec0: c0598368 c07f52c0 00000001 00000000 c05988fc c46ef1e4 c05988fc c6658000 [ 122.626845] 9ee0: b6df8000 00020000 00000004 0000000f 0001fff1 c6659ee0 00000001 00000805 [ 122.635035] 9f00: c580d180 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 122.643223] 9f20: 00000000 00000000 c6658000 bf738078 b6df7000 c61c9400 c61c9400 c6658000 [ 122.651412] 9f40: b6df8000 00000000 00000000 00000004 c6659f94 c6659f60 c05988fc c0598268 [ 122.659600] 9f60: 00000000 00000000 c6659fac bf738078 0000000f 0000000f b6f3fe00 00000004 [ 122.667788] 9f80: c03002e4 c6658000 c6659fa4 c6659f98 c059898c c0598894 00000000 c6659fa8 [ 122.675976] 9fa0: c03000c0 c0598980 0000000f 0000000f 00000001 b6df8000 0000000f 00000000 [ 122.684165] 9fc0: 0000000f 0000000f b6f3fe00 00000004 00000001 00000000 00020000 bebf4a54 [ 122.692352] 9fe0: 00000004 bebf4788 b6ead94f b6e33c66 800e0030 00000001 00000000 00000000 [ 122.700535] Backtrace: [ 122.703008] [] (lkdtm_EXEC_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) [ 122.711541] r4:00000024 [ 122.714092] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 122.722116] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 122.730045] r9:c6659f60 r8:c533ff00 r7:0000000f r6:b6df8000 r5:c61c9400 r4:c0c2df60 [ 122.737807] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 122.745649] r9:c07f52b4 r8:c6659f60 r7:c2816000 r6:b6df8000 r5:c61c9400 r4:00000000 [ 122.753405] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 122.760552] r10:00000004 r9:00000000 r8:00000000 r7:b6df8000 r6:c6658000 r5:c61c9400 [ 122.768390] r4:c61c9400 [ 122.770937] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 122.778085] r9:c6658000 r8:c03002e4 r7:00000004 r6:b6f3fe00 r5:0000000f r4:0000000f [ 122.785844] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 122.793420] Exception stack(0xc6659fa8 to 0xc6659ff0) [ 122.798482] 9fa0: 0000000f 0000000f 00000001 b6df8000 0000000f 00000000 [ 122.806670] 9fc0: 0000000f 0000000f b6f3fe00 00000004 00000001 00000000 00020000 bebf4a54 [ 122.814857] 9fe0: 00000004 bebf4788 b6ead94f b6e33c66 [ 122.819923] Code: bad PC value [ 122.822992] ---[ end trace f564789ceb3242af ]--- # Segmentation fault # [ 122.448294] lkdtm: Performing direct entry EXEC_USERSPACE # [ 122.456305] lkdtm: attempting ok execution at c0c2e8f0 # [ 122.464406] lkdtm: attempting bad execution at b6f3e000 # [ 122.470220] Unhandled prefetch abort: page domain fault (0x00b) at 0xb6f3e000 # [ 122.477367] Internal error: : b [#8] SMP ARM # [ 122.481647] 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 etnaviv gpu_sched dw_hdmi_imx dw_hdmi imx_ldb parallel_display imxdrm imx_ipu_v3 # [ 122.510721] CPU: 1 PID: 2165 Comm: cat Tainted: G D W 5.10.138-cip15 #1 # [ 122.518470] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 122.525010] PC is at 0xb6f3e000 # [ 122.528174] LR is at lkdtm_EXEC_USERSPACE+0xc4/0xd4 # [ 122.533059] pc : [] lr : [] psr: 600e0013 # [ 122.539334] sp : c6659e48 ip : 00000027 fp : c6659e64 # [ 122.544567] r10: 0000000f r9 : c1acf948 r8 : c15e7df8 # [ 122.549799] r7 : c6659f60 r6 : 0000000f r5 : c2b3b000 r4 : b6f3e000 # [ 122.556334] r3 : bf738078 r2 : bf738078 r1 : ef7965e4 r0 : 0000002b # [ 122.562870] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 122.570013] Control: 10c5387d Table: 166c804a DAC: 00000051 # [ 122.575770] Process cat (pid: 2165, stack limit = 0x560be491) # [ 122.581524] Stack: (0xc6659e48 to 0xc665a000) # [ 122.585896] 9e40: 00000001 00000000 0000000f 00000024 c6659e74 c6659e68 # [ 122.594087] 9e60: c0c2db80 c0c2e98c c6659e9c c6659e78 c0c2e080 c0c2db60 c0c2df60 c61c9400 # [ 122.602278] 9e80: b6df8000 0000000f c533ff00 c6659f60 c6659ec4 c6659ea0 c07f5318 c0c2df6c # [ 122.610467] 9ea0: 00000000 c61c9400 b6df8000 c2816000 c6659f60 c07f52b4 c6659f5c c6659ec8 # [ 122.618657] 9ec0: c0598368 c07f52c0 00000001 00000000 c05988fc c46ef1e4 c05988fc c6658000 # [ 122.626845] 9ee0: b6df8000 00020000 00000004 0000000f 0001fff1 c6659ee0 00000001 00000805 # [ 122.635035] 9f00: c580d180 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 122.643223] 9f20: 00000000 00000000 c6658000 bf738078 b6df7000 c61c9400 c61c9400 c6658000 # [ 122.651412] 9f40: b6df8000 00000000 00000000 00000004 c6659f94 c6659f60 c05988fc c0598268 # [ 122.659600] 9f60: 00000000 00000000 c6659fac bf738078 0000000f 0000000f b6f3fe00 00000004 # [ 122.667788] 9f80: c03002e4 c6658000 c6659fa4 c6659f98 c059898c c0598894 00000000 c6659fa8 # [ 122.675976] 9fa0: c03000c0 c0598980 0000000f 0000000f 00000001 b6df8000 0000000f 00000000 # [ 122.684165] 9fc0: 0000000f 0000000f b6f3fe00 00000004 00000001 00000000 00020000 bebf4a54 # [ 122.692352] 9fe0: 00000004 bebf4788 b6ead94f b6e33c66 800e0030 00000001 00000000 00000000 # [ 122.700535] Backtrace: # [ 122.703008] [] (lkdtm_EXEC_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 122.711541] r4:00000024 # [ 122.714092] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 122.722116] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 122.730045] r9:c6659f60 r8:c533ff00 r7:0000000f r6:b6df8000 r5:c61c9400 r4:c0c2df60 # [ 122.737807] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 122.745649] r9:c07f52b4 r8:c6659f60 r7:c2816000 r6:b6df8000 r5:c61c9400 r4:00000000 # [ 122.753405] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 122.760552] r10:00000004 r9:00000000 r8:00000000 r7:b6df8000 r6:c6658000 r5:c61c9400 # [ 122.768390] r4:c61c9400 # [ 122.770937] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 122.778085] r9:c6658000 r8:c03002e4 r7:00000004 r6:b6f3fe00 r5:0000000f r4:0000000f # [ 122.785844] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 122.793420] Exception stack(0xc6659fa8 to 0xc6659ff0) # [ 122.798482] 9fa0: 0000000f 0000000f 00000001 b6df8000 0000000f 00000000 # [ 122.806670] 9fc0: 0000000f 0000000f b6f3fe00 00000004 00000001 00000000 00020000 bebf4a54 # [ 122.814857] 9fe0: 00000004 bebf4788 b6ead94f b6e33c66 # [ 122.819923] Code: bad PC value # [ 122.822992] ---[ end trace f564789ceb3242af ]--- # EXEC_USERSPACE: missing 'call trace:': [FAIL] not ok 35 selftests: lkdtm: EXEC_USERSPACE.sh # exit=1 # selftests: lkdtm: EXEC_NULL.sh [ 123.338324] lkdtm: Performing direct entry EXEC_NULL [ 123.343385] lkdtm: attempting ok execution at c0c2e8f0 [ 123.348539] lkdtm: attempting bad execution at 00000000 [ 123.353887] 8<--- cut here --- [ 123.356960] Unable to handle kernel NULL pointer dereference at virtual address 00000000 [ 123.365137] pgd = 3f1e998f [ 123.367873] [00000000] *pgd=00000000 [ 123.371498] Internal error: Oops: 80000005 [#9] SMP ARM [ 123.376738] 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 etnaviv gpu_sched dw_hdmi_imx dw_hdmi imx_ldb parallel_display imxdrm imx_ipu_v3 [ 123.405790] CPU: 3 PID: 2236 Comm: cat Tainted: G D W 5.10.138-cip15 #1 [ 123.413542] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 123.420084] PC is at 0x0 [ 123.422635] LR is at execute_location+0xa4/0xb4 [ 123.427174] pc : [<00000000>] lr : [] psr: 600e0013 [ 123.433450] sp : c6779e38 ip : c6779d40 fp : c6779e54 [ 123.438683] r10: 0000000a r9 : c1acf958 r8 : c15e7df8 [ 123.443914] r7 : c6779f60 r6 : 00000000 r5 : 00000000 r4 : c0c2e8f0 [ 123.450448] r3 : 66478e49 r2 : 66478e49 r1 : ef7c05e0 r0 : 0000002b [ 123.456985] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 123.464129] Control: 10c5387d Table: 1676804a DAC: 00000051 [ 123.469887] Process cat (pid: 2236, stack limit = 0x14cd3663) [ 123.475641] Stack: (0xc6779e38 to 0xc677a000) [ 123.480010] 9e20: 00000025 c648e000 [ 123.488201] 9e40: 0000000a c6779f60 c6779e64 c6779e58 c138a680 c138a3dc c6779e74 c6779e68 [ 123.496391] 9e60: c0c2db80 c138a66c c6779e9c c6779e78 c0c2e080 c0c2db60 c0c2df60 c622f180 [ 123.504579] 9e80: b6dd9000 0000000a c533ff00 c6779f60 c6779ec4 c6779ea0 c07f5318 c0c2df6c [ 123.512769] 9ea0: 00000000 c622f180 b6dd9000 c2816000 c6779f60 c07f52b4 c6779f5c c6779ec8 [ 123.520959] 9ec0: c0598368 c07f52c0 00000001 00000000 c05988fc c139fc00 c05988fc c6778000 [ 123.529149] 9ee0: b6dd9000 00020000 00000004 0000000a 0001fff6 c6779ee0 00000001 b6dd8000 [ 123.537337] 9f00: c60603c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 123.545528] 9f20: 00000000 00000000 c139fc00 66478e49 c205caa0 c622f180 c622f180 c6778000 [ 123.553716] 9f40: b6dd9000 00000000 00000000 00000004 c6779f94 c6779f60 c05988fc c0598268 [ 123.561905] 9f60: 00000000 00000000 c6779fac 66478e49 0000000a 0000000a b6f20e00 00000004 [ 123.570094] 9f80: c03002e4 c6778000 c6779fa4 c6779f98 c059898c c0598894 00000000 c6779fa8 [ 123.578283] 9fa0: c03000c0 c0598980 0000000a 0000000a 00000001 b6dd9000 0000000a 00000000 [ 123.586473] 9fc0: 0000000a 0000000a b6f20e00 00000004 00000001 00000000 00020000 be83ca54 [ 123.594664] 9fe0: 00000004 be83c788 b6e8e94f b6e14c66 800e0030 00000001 00000000 00000000 [ 123.602845] Backtrace: [ 123.605318] [] (execute_location) from [] (lkdtm_EXEC_NULL+0x20/0x24) [ 123.613508] r7:c6779f60 r6:0000000a r5:c648e000 r4:00000025 [ 123.619191] [] (lkdtm_EXEC_NULL) from [] (lkdtm_do_action+0x2c/0x4c) [ 123.627299] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 123.635322] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 123.643253] r9:c6779f60 r8:c533ff00 r7:0000000a r6:b6dd9000 r5:c622f180 r4:c0c2df60 [ 123.651017] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 123.658859] r9:c07f52b4 r8:c6779f60 r7:c2816000 r6:b6dd9000 r5:c622f180 r4:00000000 [ 123.666617] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 123.673765] r10:00000004 r9:00000000 r8:00000000 r7:b6dd9000 r6:c6778000 r5:c622f180 [ 123.681601] r4:c622f180 [ 123.684152] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 123.691300] r9:c6778000 r8:c03002e4 r7:00000004 r6:b6f20e00 r5:0000000a r4:0000000a [ 123.699059] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 123.706634] Exception stack(0xc6779fa8 to 0xc6779ff0) [ 123.711698] 9fa0: 0000000a 0000000a 00000001 b6dd9000 0000000a 00000000 [ 123.719888] 9fc0: 0000000a 0000000a b6f20e00 00000004 00000001 00000000 00020000 be83ca54 [ 123.728074] 9fe0: 00000004 be83c788 b6e8e94f b6e14c66 [ 123.733140] Code: bad PC value [ 123.736266] ---[ end trace f564789ceb3242b0 ]--- # Segmentation fault # [ 123.338324] lkdtm: Performing direct entry EXEC_NULL # [ 123.343385] lkdtm: attempting ok execution at c0c2e8f0 # [ 123.348539] lkdtm: attempting bad execution at 00000000 # [ 123.353887] 8<--- cut here --- # [ 123.356960] Unable to handle kernel NULL pointer dereference at virtual address 00000000 # [ 123.365137] pgd = 3f1e998f # [ 123.367873] [00000000] *pgd=00000000 # [ 123.371498] Internal error: Oops: 80000005 [#9] SMP ARM # [ 123.376738] 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 etnaviv gpu_sched dw_hdmi_imx dw_hdmi imx_ldb parallel_display imxdrm imx_ipu_v3 # [ 123.405790] CPU: 3 PID: 2236 Comm: cat Tainted: G D W 5.10.138-cip15 #1 # [ 123.413542] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 123.420084] PC is at 0x0 # [ 123.422635] LR is at execute_location+0xa4/0xb4 # [ 123.427174] pc : [<00000000>] lr : [] psr: 600e0013 # [ 123.433450] sp : c6779e38 ip : c6779d40 fp : c6779e54 # [ 123.438683] r10: 0000000a r9 : c1acf958 r8 : c15e7df8 # [ 123.443914] r7 : c6779f60 r6 : 00000000 r5 : 00000000 r4 : c0c2e8f0 # [ 123.450448] r3 : 66478e49 r2 : 66478e49 r1 : ef7c05e0 r0 : 0000002b # [ 123.456985] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 123.464129] Control: 10c5387d Table: 1676804a DAC: 00000051 # [ 123.469887] Process cat (pid: 2236, stack limit = 0x14cd3663) # [ 123.475641] Stack: (0xc6779e38 to 0xc677a000) # [ 123.480010] 9e20: 00000025 c648e000 # [ 123.488201] 9e40: 0000000a c6779f60 c6779e64 c6779e58 c138a680 c138a3dc c6779e74 c6779e68 # [ 123.496391] 9e60: c0c2db80 c138a66c c6779e9c c6779e78 c0c2e080 c0c2db60 c0c2df60 c622f180 # [ 123.504579] 9e80: b6dd9000 0000000a c533ff00 c6779f60 c6779ec4 c6779ea0 c07f5318 c0c2df6c # [ 123.512769] 9ea0: 00000000 c622f180 b6dd9000 c2816000 c6779f60 c07f52b4 c6779f5c c6779ec8 # [ 123.520959] 9ec0: c0598368 c07f52c0 00000001 00000000 c05988fc c139fc00 c05988fc c6778000 # [ 123.529149] 9ee0: b6dd9000 00020000 00000004 0000000a 0001fff6 c6779ee0 00000001 b6dd8000 # [ 123.537337] 9f00: c60603c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 123.545528] 9f20: 00000000 00000000 c139fc00 66478e49 c205caa0 c622f180 c622f180 c6778000 # [ 123.553716] 9f40: b6dd9000 00000000 00000000 00000004 c6779f94 c6779f60 c05988fc c0598268 # [ 123.561905] 9f60: 00000000 00000000 c6779fac 66478e49 0000000a 0000000a b6f20e00 00000004 # [ 123.570094] 9f80: c03002e4 c6778000 c6779fa4 c6779f98 c059898c c0598894 00000000 c6779fa8 # [ 123.578283] 9fa0: c03000c0 c0598980 0000000a 0000000a 00000001 b6dd9000 0000000a 00000000 # [ 123.586473] 9fc0: 0000000a 0000000a b6f20e00 00000004 00000001 00000000 00020000 be83ca54 # [ 123.594664] 9fe0: 00000004 be83c788 b6e8e94f b6e14c66 800e0030 00000001 00000000 00000000 # [ 123.602845] Backtrace: # [ 123.605318] [] (execute_location) from [] (lkdtm_EXEC_NULL+0x20/0x24) # [ 123.613508] r7:c6779f60 r6:0000000a r5:c648e000 r4:00000025 # [ 123.619191] [] (lkdtm_EXEC_NULL) from [] (lkdtm_do_action+0x2c/0x4c) # [ 123.627299] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 123.635322] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 123.643253] r9:c6779f60 r8:c533ff00 r7:0000000a r6:b6dd9000 r5:c622f180 r4:c0c2df60 # [ 123.651017] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 123.658859] r9:c07f52b4 r8:c6779f60 r7:c2816000 r6:b6dd9000 r5:c622f180 r4:00000000 # [ 123.666617] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 123.673765] r10:00000004 r9:00000000 r8:00000000 r7:b6dd9000 r6:c6778000 r5:c622f180 # [ 123.681601] r4:c622f180 # [ 123.684152] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 123.691300] r9:c6778000 r8:c03002e4 r7:00000004 r6:b6f20e00 r5:0000000a r4:0000000a # [ 123.699059] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 123.706634] Exception stack(0xc6779fa8 to 0xc6779ff0) # [ 123.711698] 9fa0: 0000000a 0000000a 00000001 b6dd9000 0000000a 00000000 # [ 123.719888] 9fc0: 0000000a 0000000a b6f20e00 00000004 00000001 00000000 00020000 be83ca54 # [ 123.728074] 9fe0: 00000004 be83c788 b6e8e94f b6e14c66 # [ 123.733140] Code: bad PC value # [ 12[ 124.316651] lkdtm: Performing direct entry ACCESS_USERSPACE 3.736266] ---[ end trace f564789c[ 124.325155] lkdtm: attempting bad read at b6fca000 eb3242b0 ]--- # EXEC_NULL: missi[ 124.332713] 8<--- cut here --- ng 'call trace:': [F[A I L1]24 .338516] Unhandled fault: page domain fault (0x01b) at 0xb6fca000 ot ok 36 selft[e s t1s2:4 .l3k4d7125] pgd = c0067321 m: EXEC_NULL.sh # exit=1[ # 1s4.351828] [b6fca000] *pgd=490a3831 elftests: lkdtm: ACC[E S S1_2U4S.357837] Internal error: : 1b [#10] SMP ARM RSPACE.sh [ 124.364533] 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 etnaviv gpu_sched dw_hdmi_imx dw_hdmi imx_ldb parallel_display imxdrm imx_ipu_v3 [ 124.394328] CPU: 1 PID: 2312 Comm: cat Tainted: G D W 5.10.138-cip15 #1 [ 124.402078] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 124.408622] PC is at lkdtm_ACCESS_USERSPACE+0x114/0x16c [ 124.413866] LR is at __irq_work_queue_local+0x40/0x74 [ 124.418928] pc : [] lr : [] psr: 600e0013 [ 124.425202] sp : c61f9e38 ip : c61f9d40 fp : c61f9e64 [ 124.430434] r10: 00000011 r9 : c1acf964 r8 : c15e7df8 [ 124.435668] r7 : c61f9f60 r6 : 00000051 r5 : c61f8000 r4 : b6fca000 [ 124.442201] r3 : 861fe46c r2 : 861fe46c r1 : ef7965e0 r0 : 00000026 [ 124.448737] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 124.455882] Control: 10c5387d Table: 166f404a DAC: 00000051 [ 124.461636] Process cat (pid: 2312, stack limit = 0xe6ff448d) [ 124.467391] Stack: (0xc61f9e38 to 0xc61fa000) [ 124.471760] 9e20: 00000022 00000000 [ 124.479952] 9e40: 00000000 861fe46c c61f9e6c 00000026 c2b3b000 00000011 c61f9e74 c61f9e68 [ 124.488142] 9e60: c0c2db80 c0c2ea60 c61f9e9c c61f9e78 c0c2e080 c0c2db60 c0c2df60 c61c9b80 [ 124.496332] 9e80: b6e84000 00000011 c533ff00 c61f9f60 c61f9ec4 c61f9ea0 c07f5318 c0c2df6c [ 124.504522] 9ea0: 00000000 c61c9b80 b6e84000 c2816000 c61f9f60 c07f52b4 c61f9f5c c61f9ec8 [ 124.512713] 9ec0: c0598368 c07f52c0 00000001 00000000 c05988fc c139fc00 c05988fc c61f8000 [ 124.520902] 9ee0: b6e84000 00020000 00000004 00000011 0001ffef c61f9ee0 00000001 b6e83000 [ 124.529091] 9f00: c580e8c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 124.537280] 9f20: 00000000 00000000 c139fc00 861fe46c c205caa0 c61c9b80 c61c9b80 c61f8000 [ 124.545469] 9f40: b6e84000 00000000 00000000 00000004 c61f9f94 c61f9f60 c05988fc c0598268 [ 124.553658] 9f60: 00000000 00000000 c61f9fac 861fe46c 00000011 00000011 b6fcbe00 00000004 [ 124.561847] 9f80: c03002e4 c61f8000 c61f9fa4 c61f9f98 c059898c c0598894 00000000 c61f9fa8 [ 124.570035] 9fa0: c03000c0 c0598980 00000011 00000011 00000001 b6e84000 00000011 00000000 [ 124.578225] 9fc0: 00000011 00000011 b6fcbe00 00000004 00000001 00000000 00020000 bebbba54 [ 124.586414] 9fe0: 00000004 bebbb788 b6f3994f b6ebfc66 800e0030 00000001 00000000 00000000 [ 124.594596] Backtrace: [ 124.597072] [] (lkdtm_ACCESS_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) [ 124.605783] r6:00000011 r5:c2b3b000 r4:00000026 [ 124.610417] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 124.618441] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 124.626369] r9:c61f9f60 r8:c533ff00 r7:00000011 r6:b6e84000 r5:c61c9b80 r4:c0c2df60 [ 124.634132] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 124.641974] r9:c07f52b4 r8:c61f9f60 r7:c2816000 r6:b6e84000 r5:c61c9b80 r4:00000000 [ 124.649731] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 124.656878] r10:00000004 r9:00000000 r8:00000000 r7:b6e84000 r6:c61f8000 r5:c61c9b80 [ 124.664713] r4:c61c9b80 [ 124.667263] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 124.674411] r9:c61f8000 r8:c03002e4 r7:00000004 r6:b6fcbe00 r5:00000011 r4:00000011 [ 124.682171] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 124.689749] Exception stack(0xc61f9fa8 to 0xc61f9ff0) [ 124.694812] 9fa0: 00000011 00000011 00000001 b6e84000 00000011 00000000 [ 124.703002] 9fc0: 00000011 00000011 b6fcbe00 00000004 00000001 00000000 00020000 bebbba54 [ 124.711187] 9fe0: 00000004 bebbb788 b6f3994f b6ebfc66 [ 124.716252] Code: e1a01004 e3000888 e34c01ad eb1d4309 (e5943000) [ 124.722360] ---[ end trace f564789ceb3242b1 ]--- # Segmentation fault # [ 124.316651] lkdtm: Performing direct entry ACCESS_USERSPACE # [ 124.325155] lkdtm: attempting bad read at b6fca000 # [ 124.332713] 8<--- cut here --- # [ 124.338516] Unhandled fault: page domain fault (0x01b) at 0xb6fca000 # [ 124.347125] pgd = c0067321 # [ 124.351828] [b6fca000] *pgd=490a3831 # [ 124.357837] Internal error: : 1b [#10] SMP ARM # [ 124.364533] 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 etnaviv gpu_sched dw_hdmi_imx dw_hdmi imx_ldb parallel_display imxdrm imx_ipu_v3 # [ 124.394328] CPU: 1 PID: 2312 Comm: cat Tainted: G D W 5.10.138-cip15 #1 # [ 124.402078] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 124.408622] PC is at lkdtm_ACCESS_USERSPACE+0x114/0x16c # [ 124.413866] LR is at __irq_work_queue_local+0x40/0x74 # [ 124.418928] pc : [] lr : [] psr: 600e0013 # [ 124.425202] sp : c61f9e38 ip : c61f9d40 fp : c61f9e64 # [ 124.430434] r10: 00000011 r9 : c1acf964 r8 : c15e7df8 # [ 124.435668] r7 : c61f9f60 r6 : 00000051 r5 : c61f8000 r4 : b6fca000 # [ 124.442201] r3 : 861fe46c r2 : 861fe46c r1 : ef7965e0 r0 : 00000026 # [ 124.448737] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 124.455882] Control: 10c5387d Table: 166f404a DAC: 00000051 # [ 124.461636] Process cat (pid: 2312, stack limit = 0xe6ff448d) # [ 124.467391] Stack: (0xc61f9e38 to 0xc61fa000) # [ 124.471760] 9e20: 00000022 00000000 # [ 124.479952] 9e40: 00000000 861fe46c c61f9e6c 00000026 c2b3b000 00000011 c61f9e74 c61f9e68 # [ 124.488142] 9e60: c0c2db80 c0c2ea60 c61f9e9c c61f9e78 c0c2e080 c0c2db60 c0c2df60 c61c9b80 # [ 124.496332] 9e80: b6e84000 00000011 c533ff00 c61f9f60 c61f9ec4 c61f9ea0 c07f5318 c0c2df6c # [ 124.504522] 9ea0: 00000000 c61c9b80 b6e84000 c2816000 c61f9f60 c07f52b4 c61f9f5c c61f9ec8 # [ 124.512713] 9ec0: c0598368 c07f52c0 00000001 00000000 c05988fc c139fc00 c05988fc c61f8000 # [ 124.520902] 9ee0: b6e84000 00020000 00000004 00000011 0001ffef c61f9ee0 00000001 b6e83000 # [ 124.529091] 9f00: c580e8c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 124.537280] 9f20: 00000000 00000000 c139fc00 861fe46c c205caa0 c61c9b80 c61c9b80 c61f8000 # [ 124.545469] 9f40: b6e84000 00000000 00000000 00000004 c61f9f94 c61f9f60 c05988fc c0598268 # [ 124.553658] 9f60: 00000000 00000000 c61f9fac 861fe46c 00000011 00000011 b6fcbe00 00000004 # [ 124.561847] 9f80: c03002e4 c61f8000 c61f9fa4 c61f9f98 c059898c c0598894 00000000 c61f9fa8 # [ 124.570035] 9fa0: c03000c0 c0598980 00000011 00000011 00000001 b6e84000 00000011 00000000 # [ 124.578225] 9fc0: 00000011 00000011 b6fcbe00 00000004 00000001 00000000 00020000 bebbba54 # [ 124.586414] 9fe0: 00000004 bebbb788 b6f3994f b6ebfc66 800e0030 00000001 00000000 00000000 # [ 124.594596] Backtrace: # [ 124.597072] [] (lkdtm_ACCESS_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 124.605783] r6:00000011 r5:c2b3b000 r4:00000026 # [ 124.610417] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 124.618441] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 124.626369] r9:c61f9f60 r8:c533ff00 r7:00000011 r6:b6e84000 r5:c61c9b80 r4:c0c2df60 # [ 124.634132] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 124.641974] r9:c07f52b4 r8:c61f9f60 r7:c2816000 r6:b6e84000 r5:c61c9b80 r4:00000000 # [ 124.649731] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 124.656878] r10:00000004 r9:00000000 r8:00000000 r7:b6e84000 r6:c61f8000 r5:c61c9b80 # [ 124.664713] r4:c61c9b80 # [ 124.667263] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 124.674411] r9:c61f8000 r8:c03002e4 r7:00000004 r6:b6fcbe00 r5:00000011 r4:00000011 # [ 124.682171] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 124.689749] Exception stack(0xc61f9fa8 to 0xc61f9ff0) # [ 124.694812] 9fa0: 00000011 00000011 00000001 b6e84000 00000011 00000000 # [ 124.703002] 9fc0: 00000011 00000011 b6fcbe00 00000004 00000001 00000000 00020000 bebbba54 # [ 124.711187] 9fe0: 00000004 bebbb788 b6f3994f b6ebfc66 # [ 124.716252] Code: e1a01004 e3000888 e34c01ad eb1d4309 (e5943000) # [ 124.722360] ---[ end trace f564789ceb3242b1 ]--- # ACCESS_USERSPACE: missing 'call trace:': [FAIL] not ok 37 selftests: lkdtm: ACCESS_USERSPACE.sh # exit=1 # selftests: lkdtm: ACCESS_NULL.sh [ 125.328237] lkdtm: Performing direct entry ACCESS_NULL [ 125.333525] lkdtm: attempting bad read at 00000000 [ 125.338369] 8<--- cut here --- [ 125.341459] Unable to handle kernel NULL pointer dereference at virtual address 00000000 [ 125.349623] pgd = 319a26ac [ 125.352407] [00000000] *pgd=00000000 [ 125.356039] Internal error: Oops: 5 [#11] SMP ARM [ 125.360759] 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 etnaviv gpu_sched dw_hdmi_imx dw_hdmi imx_ldb parallel_display imxdrm imx_ipu_v3 [ 125.389823] CPU: 1 PID: 2387 Comm: cat Tainted: G D W 5.10.138-cip15 #1 [ 125.397576] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 125.404124] PC is at lkdtm_ACCESS_NULL+0x28/0x68 [ 125.408753] LR is at 0x0 [ 125.411294] pc : [] lr : [<00000000>] psr: 600e0013 [ 125.417570] sp : c6463e50 ip : 00000027 fp : c6463e64 [ 125.422802] r10: 0000000c r9 : c1acf978 r8 : c15e7df8 [ 125.428034] r7 : c6463f60 r6 : 0000000c r5 : c5b3e000 r4 : 00000000 [ 125.434569] r3 : 55c05c78 r2 : 55c05c78 r1 : ef7965e4 r0 : 00000026 [ 125.441106] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 125.448250] Control: 10c5387d Table: 162bc04a DAC: 00000051 [ 125.454005] Process cat (pid: 2387, stack limit = 0x62f243cf) [ 125.459760] Stack: (0xc6463e50 to 0xc6464000) [ 125.464131] 3e40: 00000027 c5b3e000 c6463e74 c6463e68 [ 125.472322] 3e60: c0c2db80 c138a690 c6463e9c c6463e78 c0c2e080 c0c2db60 c0c2df60 c61c9900 [ 125.480513] 3e80: b6e4e000 0000000c c533ff00 c6463f60 c6463ec4 c6463ea0 c07f5318 c0c2df6c [ 125.488703] 3ea0: 00000000 c61c9900 b6e4e000 c2816000 c6463f60 c07f52b4 c6463f5c c6463ec8 [ 125.496894] 3ec0: c0598368 c07f52c0 00000001 00000000 c05988fc c139fc00 c05988fc c6462000 [ 125.505084] 3ee0: b6e4e000 00020000 00000004 0000000c 0001fff4 c6463ee0 00000001 b6e4d000 [ 125.513273] 3f00: c5ac4140 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 125.521464] 3f20: 00000000 00000000 c139fc00 55c05c78 c205caa0 c61c9900 c61c9900 c6462000 [ 125.529653] 3f40: b6e4e000 00000000 00000000 00000004 c6463f94 c6463f60 c05988fc c0598268 [ 125.537844] 3f60: 00000000 00000000 c6463fac 55c05c78 0000000c 0000000c b6f95e00 00000004 [ 125.546032] 3f80: c03002e4 c6462000 c6463fa4 c6463f98 c059898c c0598894 00000000 c6463fa8 [ 125.554220] 3fa0: c03000c0 c0598980 0000000c 0000000c 00000001 b6e4e000 0000000c 00000000 [ 125.562409] 3fc0: 0000000c 0000000c b6f95e00 00000004 00000001 00000000 00020000 bef31a54 [ 125.570599] 3fe0: 00000004 bef31788 b6f0394f b6e89c66 800e0030 00000001 00000000 00000000 [ 125.578780] Backtrace: [ 125.581262] [] (lkdtm_ACCESS_NULL) from [] (lkdtm_do_action+0x2c/0x4c) [ 125.589537] r5:c5b3e000 r4:00000027 [ 125.593132] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 125.601157] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 125.609087] r9:c6463f60 r8:c533ff00 r7:0000000c r6:b6e4e000 r5:c61c9900 r4:c0c2df60 [ 125.616849] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 125.624693] r9:c07f52b4 r8:c6463f60 r7:c2816000 r6:b6e4e000 r5:c61c9900 r4:00000000 [ 125.632449] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 125.639597] r10:00000004 r9:00000000 r8:00000000 r7:b6e4e000 r6:c6462000 r5:c61c9900 [ 125.647433] r4:c61c9900 [ 125.649980] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 125.657127] r9:c6462000 r8:c03002e4 r7:00000004 r6:b6f95e00 r5:0000000c r4:0000000c [ 125.664887] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 125.672465] Exception stack(0xc6463fa8 to 0xc6463ff0) [ 125.677529] 3fa0: 0000000c 0000000c 00000001 b6e4e000 0000000c 00000000 [ 125.685718] 3fc0: 0000000c 0000000c b6f95e00 00000004 00000001 00000000 00020000 bef31a54 [ 125.693904] 3fe0: 00000004 bef31788 b6f0394f b6e89c66 [ 125.698968] Code: e3000888 e34c01ad e1a01004 ebffd438 (e5945000) [ 125.705162] ---[ end trace f564789ceb3242b2 ]--- # Segmentation fault # [ 125.328237] lkdtm: Performing direct entry ACCESS_NULL # [ 125.333525] lkdtm: attempting bad read at 00000000 # [ 125.338369] 8<--- cut here --- # [ 125.341459] Unable to handle kernel NULL pointer dereference at virtual address 00000000 # [ 125.349623] pgd = 319a26ac # [ 125.352407] [00000000] *pgd=00000000 # [ 125.356039] Internal error: Oops: 5 [#11] SMP ARM # [ 125.360759] 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 etnaviv gpu_sched dw_hdmi_imx dw_hdmi imx_ldb parallel_display imxdrm imx_ipu_v3 # [ 125.389823] CPU: 1 PID: 2387 Comm: cat Tainted: G D W 5.10.138-cip15 #1 # [ 125.397576] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 125.404124] PC is at lkdtm_ACCESS_NULL+0x28/0x68 # [ 125.408753] LR is at 0x0 # [ 125.411294] pc : [] lr : [<00000000>] psr: 600e0013 # [ 125.417570] sp : c6463e50 ip : 00000027 fp : c6463e64 # [ 125.422802] r10: 0000000c r9 : c1acf978 r8 : c15e7df8 # [ 125.428034] r7 : c6463f60 r6 : 0000000c r5 : c5b3e000 r4 : 00000000 # [ 125.434569] r3 : 55c05c78 r2 : 55c05c78 r1 : ef7965e4 r0 : 00000026 # [ 125.441106] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 125.448250] Control: 10c5387d Table: 162bc04a DAC: 00000051 # [ 125.454005] Process cat (pid: 2387, stack limit = 0x62f243cf) # [ 125.459760] Stack: (0xc6463e50 to 0xc6464000) # [ 125.464131] 3e40: 00000027 c5b3e000 c6463e74 c6463e68 # [ 125.472322] 3e60: c0c2db80 c138a690 c6463e9c c6463e78 c0c2e080 c0c2db60 c0c2df60 c61c9900 # [ 125.480513] 3e80: b6e4e000 0000000c c533ff00 c6463f60 c6463ec4 c6463ea0 c07f5318 c0c2df6c # [ 125.488703] 3ea0: 00000000 c61c9900 b6e4e000 c2816000 c6463f60 c07f52b4 c6463f5c c6463ec8 # [ 125.496894] 3ec0: c0598368 c07f52c0 00000001 00000000 c05988fc c139fc00 c05988fc c6462000 # [ 125.505084] 3ee0: b6e4e000 00020000 00000004 0000000c 0001fff4 c6463ee0 00000001 b6e4d000 # [ 125.513273] 3f00: c5ac4140 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 125.521464] 3f20: 00000000 00000000 c139fc00 55c05c78 c205caa0 c61c9900 c61c9900 c6462000 # [ 125.529653] 3f40: b6e4e000 00000000 00000000 00000004 c6463f94 c6463f60 c05988fc c0598268 # [ 125.537844] 3f60: 00000000 00000000 c6463fac 55c05c78 0000000c 0000000c b6f95e00 00000004 # [ 125.546032] 3f80: c03002e4 c6462000 c6463fa4 c6463f98 c059898c c0598894 00000000 c6463fa8 # [ 125.554220] 3fa0: c03000c0 c0598980 0000000c 0000000c 00000001 b6e4e000 0000000c 00000000 # [ 125.562409] 3fc0: 0000000c 0000000c b6f95e00 00000004 00000001 00000000 00020000 bef31a54 # [ 125.570599] 3fe0: 00000004 bef31788 b6f0394f b6e89c66 800e0030 00000001 00000000 00000000 # [ 125.578780] Backtrace: # [ 125.581262] [] (lkdtm_ACCESS_NULL) from [] (lkdtm_do_action+0x2c/0x4c) # [ 125.589537] r5:c5b3e000 r4:00000027 # [ 125.593132] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 125.601157] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 125.609087] r9:c6463f60 r8:c533ff00 r7:0000000c r6:b6e4e000 r5:c61c9900 r4:c0c2df60 # [ 125.616849] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 125.624693] r9:c07f52b4 r8:c6463f60 r7:c2816000 r6:b6e4e000 r5:c61c9900 r4:00000000 # [ 125.632449] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 125.639597] r10:00000004 r9:00000000 r8:00000000 r7:b6e4e000 r6:c6462000 r5:c61c9900 # [ 125.647433] r4:c61c9900 # [ 125.649980] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 125.657127] r9:c6462000 r8:c03002e4 r7:00000004 r6:b6f95e00 r5:0000000c r4:0000000c # [ 125.664887] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 125.672465] Exception stack(0xc6463fa8 to 0xc6463ff0) # [ 125.677529] 3fa0: 0000000c 0000000c 00000001 b6e4e000 0000000c 00000000 # [ 125.685718] 3fc0: 0000000c 0000000c b6f95e00 00000004 00000001 00000000 00020000 bef31a54 # [ 125.693904] 3fe0: 00000004 bef31788 b6f0394f b6e89c66 # [ 125.698968] Code: e3000888 e34c01ad e1a01004 ebffd438 (e5945000) # [ 125.705162] ---[ end trace f564789ceb3242b2 ]--- # ACCESS_NULL: missing 'call trace:': [FAIL] not ok 38 selftests: lkdtm: ACCESS_NULL.sh # exit=1 # selftests: lkdtm: WRITE_RO.sh [ 126.245180] lkdtm: Performing direct entry WRITE_RO [ 126.252043] lkdtm: attempting bad rodata write at c15e8090 [ 126.257633] 8<--- cut here --- [ 126.260700] Unable to handle kernel paging request at virtual address c15e8090 [ 126.267933] pgd = 65a0e2f0 [ 126.270650] [c15e8090] *pgd=1141941e(bad) [ 126.274689] Internal error: Oops: 80d [#12] SMP ARM [ 126.279576] 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 etnaviv gpu_sched dw_hdmi_imx dw_hdmi imx_ldb parallel_display imxdrm imx_ipu_v3 [ 126.308649] CPU: 3 PID: 2461 Comm: cat Tainted: G D W 5.10.138-cip15 #1 [ 126.316398] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 126.322944] PC is at lkdtm_WRITE_RO+0x44/0x50 [ 126.327321] LR is at __irq_work_queue_local+0x40/0x74 [ 126.332382] pc : [] lr : [] psr: 600e0013 [ 126.338656] sp : c665de50 ip : c665dd58 fp : c665de64 [ 126.343888] r10: 00000009 r9 : c1acf984 r8 : c15e7df8 [ 126.349121] r7 : c665df60 r6 : 00000009 r5 : c5e99000 r4 : c15e8090 [ 126.355656] r3 : 0198b861 r2 : aa55aa55 r1 : ef7c05e0 r0 : c1ad0788 [ 126.362193] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 126.369336] Control: 10c5387d Table: 162b804a DAC: 00000051 [ 126.375092] Process cat (pid: 2461, stack limit = 0x374e9943) [ 126.380848] Stack: (0xc665de50 to 0xc665e000) [ 126.385219] de40: 00000028 c5e99000 c665de74 c665de68 [ 126.393407] de60: c0c2db80 c138a490 c665de9c c665de78 c0c2e080 c0c2db60 c0c2df60 c580cc80 [ 126.401599] de80: b6eab000 00000009 c533ff00 c665df60 c665dec4 c665dea0 c07f5318 c0c2df6c [ 126.409788] dea0: 00000000 c580cc80 b6eab000 c2816000 c665df60 c07f52b4 c665df5c c665dec8 [ 126.417978] dec0: c0598368 c07f52c0 00000001 00000000 c05988fc c139fc00 c05988fc c665c000 [ 126.426168] dee0: b6eab000 00020000 00000004 00000009 0001fff7 c665dee0 00000001 b6eaa000 [ 126.434356] df00: c5ac4c80 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 126.442544] df20: 00000000 00000000 c139fc00 c91587cc c205caa0 c580cc80 c580cc80 c665c000 [ 126.450734] df40: b6eab000 00000000 00000000 00000004 c665df94 c665df60 c05988fc c0598268 [ 126.458923] df60: 00000000 00000000 c665dfac c91587cc 00000009 00000009 b6ff2e00 00000004 [ 126.467112] df80: c03002e4 c665c000 c665dfa4 c665df98 c059898c c0598894 00000000 c665dfa8 [ 126.475301] dfa0: c03000c0 c0598980 00000009 00000009 00000001 b6eab000 00000009 00000000 [ 126.483491] dfc0: 00000009 00000009 b6ff2e00 00000004 00000001 00000000 00020000 be80da54 [ 126.491679] dfe0: 00000004 be80d788 b6f6094f b6ee6c66 800e0030 00000001 00000000 00000000 [ 126.499862] Backtrace: [ 126.502339] [] (lkdtm_WRITE_RO) from [] (lkdtm_do_action+0x2c/0x4c) [ 126.510355] r5:c5e99000 r4:00000028 [ 126.513949] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 126.521974] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 126.529904] r9:c665df60 r8:c533ff00 r7:00000009 r6:b6eab000 r5:c580cc80 r4:c0c2df60 [ 126.537667] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 126.545510] r9:c07f52b4 r8:c665df60 r7:c2816000 r6:b6eab000 r5:c580cc80 r4:00000000 [ 126.553266] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 126.560415] r10:00000004 r9:00000000 r8:00000000 r7:b6eab000 r6:c665c000 r5:c580cc80 [ 126.568251] r4:c580cc80 [ 126.570802] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 126.577949] r9:c665c000 r8:c03002e4 r7:00000004 r6:b6ff2e00 r5:00000009 r4:00000009 [ 126.585709] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 126.593285] Exception stack(0xc665dfa8 to 0xc665dff0) [ 126.598349] dfa0: 00000009 00000009 00000001 b6eab000 00000009 00000000 [ 126.606539] dfc0: 00000009 00000009 b6ff2e00 00000004 00000001 00000000 00020000 be80da54 [ 126.614725] dfe0: 00000004 be80d788 b6f6094f b6ee6c66 [ 126.619790] Code: e34a3bcd e3000788 e34c01ad e0233002 (e5843000) [ 126.625896] ---[ end trace f564789ceb3242b3 ]--- # Segmentation fault # [ 126.245180] lkdtm: Performing direct entry WRITE_RO # [ 126.252043] lkdtm: attempting bad rodata write at c15e8090 # [ 126.257633] 8<--- cut here --- # [ 126.260700] Unable to handle kernel paging request at virtual address c15e8090 # [ 126.267933] pgd = 65a0e2f0 # [ 126.270650] [c15e8090] *pgd=1141941e(bad) # [ 126.274689] Internal error: Oops: 80d [#12] SMP ARM # [ 126.279576] 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 etnaviv gpu_sched dw_hdmi_imx dw_hdmi imx_ldb parallel_display imxdrm imx_ipu_v3 # [ 126.308649] CPU: 3 PID: 2461 Comm: cat Tainted: G D W 5.10.138-cip15 #1 # [ 126.316398] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 126.322944] PC is at lkdtm_WRITE_RO+0x44/0x50 # [ 126.327321] LR is at __irq_work_queue_local+0x40/0x74 # [ 126.332382] pc : [] lr : [] psr: 600e0013 # [ 126.338656] sp : c665de50 ip : c665dd58 fp : c665de64 # [ 126.343888] r10: 00000009 r9 : c1acf984 r8 : c15e7df8 # [ 126.349121] r7 : c665df60 r6 : 00000009 r5 : c5e99000 r4 : c15e8090 # [ 126.355656] r3 : 0198b861 r2 : aa55aa55 r1 : ef7c05e0 r0 : c1ad0788 # [ 126.362193] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 126.369336] Control: 10c5387d Table: 162b804a DAC: 00000051 # [ 126.375092] Process cat (pid: 2461, stack limit = 0x374e9943) # [ 126.380848] Stack: (0xc665de50 to 0xc665e000) # [ 126.385219] de40: 00000028 c5e99000 c665de74 c665de68 # [ 126.393407] de60: c0c2db80 c138a490 c665de9c c665de78 c0c2e080 c0c2db60 c0c2df60 c580cc80 # [ 126.401599] de80: b6eab000 00000009 c533ff00 c665df60 c665dec4 c665dea0 c07f5318 c0c2df6c # [ 126.409788] dea0: 00000000 c580cc80 b6eab000 c2816000 c665df60 c07f52b4 c665df5c c665dec8 # [ 126.417978] dec0: c0598368 c07f52c0 00000001 00000000 c05988fc c139fc00 c05988fc c665c000 # [ 126.426168] dee0: b6eab000 00020000 00000004 00000009 0001fff7 c665dee0 00000001 b6eaa000 # [ 126.434356] df00: c5ac4c80 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 126.442544] df20: 00000000 00000000 c139fc00 c91587cc c205caa0 c580cc80 c580cc80 c665c000 # [ 126.450734] df40: b6eab000 00000000 00000000 00000004 c665df94 c665df60 c05988fc c0598268 # [ 126.458923] df60: 00000000 00000000 c665dfac c91587cc 00000009 00000009 b6ff2e00 00000004 # [ 126.467112] df80: c03002e4 c665c000 c665dfa4 c665df98 c059898c c0598894 00000000 c665dfa8 # [ 126.475301] dfa0: c03000c0 c0598980 00000009 00000009 00000001 b6eab000 00000009 00000000 # [ 126.483491] dfc0: 00000009 00000009 b6ff2e00 00000004 00000001 00000000 00020000 be80da54 # [ 126.491679] dfe0: 00000004 be80d788 b6f6094f b6ee6c66 800e0030 00000001 00000000 00000000 # [ 126.499862] Backtrace: # [ 126.502339] [] (lkdtm_WRITE_RO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 126.510355] r5:c5e99000 r4:00000028 # [ 126.513949] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 126.521974] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 126.529904] r9:c665df60 r8:c533ff00 r7:00000009 r6:b6eab000 r5:c580cc80 r4:c0c2df60 # [ 126.537667] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 126.545510] r9:c07f52b4 r8:c665df60 r7:c2816000 r6:b6eab000 r5:c580cc80 r4:00000000 # [ 126.553266] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 126.560415] r10:00000004 r9:00000000 r8:00000000 r7:b6eab000 r6:c665c000 r5:c580cc80 # [ 126.568251] r4:c580cc80 # [ 126.570802] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 126.577949] r9:c665c000 r8:c03002e4 r7:00000004 r6:b6ff2e00 r5:00000009 r4:00000009 # [ 126.585709] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 126.593285] Exception stack(0xc665dfa8 to 0xc665dff0) # [ 126.598349] dfa0: 00000009 00000009 00000001 b6eab000 00000009 00000000 # [ 126.606539] dfc0: 00000009 00000009 b6ff2e00 00000004 00000001 00000000 00020000 be80da54 # [ 126.614725] dfe0: 00000004 be80d788 b6f6094f b6ee6c66 # [ 126.619790] Code: e34a3bcd e3000788 e34c01ad e0233002 (e5843000) # [ 126.625896] -[ 127.144102] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT --[ end trace f564789ce[b 3 21422.150336] lkdtm: attempting bad ro_after_init write at c1b82c5c b3 ]--- # WRITE_RO: missing 'cal[ 127.158832] 8<--- cut here --- l trace:': [FAIL] no[t o1k2 73164691] Unable to handle kernel paging request at virtual address c1b82c5c 9 selftests: l[k d t1m2:7 .W1R7I4168] pgd = c1d37a57 E_RO.sh # exit=1 # selftests: l[ 127.178870] [c1b82c5c] *pgd=11a1941e(bad) dtm: WRITE_RO_AFTER_INIT[. s h127.185663] Internal error: Oops: 80d [#13] SMP ARM [ 127.192964] 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 etnaviv gpu_sched dw_hdmi_imx dw_hdmi imx_ldb parallel_display imxdrm imx_ipu_v3 [ 127.222043] CPU: 1 PID: 2535 Comm: cat Tainted: G D W 5.10.138-cip15 #1 [ 127.229794] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 127.236341] PC is at lkdtm_WRITE_RO_AFTER_INIT+0x64/0x70 [ 127.241673] LR is at __irq_work_queue_local+0x40/0x74 [ 127.246734] pc : [] lr : [] psr: 600e0013 [ 127.253007] sp : c67fbe50 ip : c67fbd58 fp : c67fbe64 [ 127.258240] r10: 00000014 r9 : c1acf990 r8 : c15e7df8 [ 127.263471] r7 : c67fbf60 r6 : 00000014 r5 : c5b3c000 r4 : c1b82c5c [ 127.270006] r3 : fe67479e r2 : 55aa55aa r1 : ef7965e0 r0 : c1ad0788 [ 127.276542] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 127.283687] Control: 10c5387d Table: 166b804a DAC: 00000051 [ 127.289440] Process cat (pid: 2535, stack limit = 0xb56de551) [ 127.295196] Stack: (0xc67fbe50 to 0xc67fc000) [ 127.299567] be40: 00000029 c5b3c000 c67fbe74 c67fbe68 [ 127.307758] be60: c0c2db80 c138a4e0 c67fbe9c c67fbe78 c0c2e080 c0c2db60 c0c2df60 c61c9b80 [ 127.315949] be80: b6dfd000 00000014 c533ff00 c67fbf60 c67fbec4 c67fbea0 c07f5318 c0c2df6c [ 127.324139] bea0: 00000000 c61c9b80 b6dfd000 c2816000 c67fbf60 c07f52b4 c67fbf5c c67fbec8 [ 127.332329] bec0: c0598368 c07f52c0 00000001 00000000 c05988fc c46efce4 c05988fc c67fa000 [ 127.340519] bee0: b6dfd000 00020000 00000004 00000014 0001ffec c67fbee0 00000001 00000805 [ 127.348707] bf00: c580eb40 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 127.356896] bf20: 00000000 00000000 c67fa000 70c57329 b6dfc000 c61c9b80 c61c9b80 c67fa000 [ 127.365086] bf40: b6dfd000 00000000 00000000 00000004 c67fbf94 c67fbf60 c05988fc c0598268 [ 127.373275] bf60: 00000000 00000000 c67fbfac 70c57329 00000014 00000014 b6f44e00 00000004 [ 127.381464] bf80: c03002e4 c67fa000 c67fbfa4 c67fbf98 c059898c c0598894 00000000 c67fbfa8 [ 127.389652] bfa0: c03000c0 c0598980 00000014 00000014 00000001 b6dfd000 00000014 00000000 [ 127.397841] bfc0: 00000014 00000014 b6f44e00 00000004 00000001 00000000 00020000 beae2a54 [ 127.406030] bfe0: 00000004 beae2788 b6eb294f b6e38c66 800e0030 00000001 00000000 00000000 [ 127.414211] Backtrace: [ 127.416689] [] (lkdtm_WRITE_RO_AFTER_INIT) from [] (lkdtm_do_action+0x2c/0x4c) [ 127.425661] r5:c5b3c000 r4:00000029 [ 127.429254] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 127.437278] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 127.445207] r9:c67fbf60 r8:c533ff00 r7:00000014 r6:b6dfd000 r5:c61c9b80 r4:c0c2df60 [ 127.452969] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 127.460811] r9:c07f52b4 r8:c67fbf60 r7:c2816000 r6:b6dfd000 r5:c61c9b80 r4:00000000 [ 127.468567] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 127.475716] r10:00000004 r9:00000000 r8:00000000 r7:b6dfd000 r6:c67fa000 r5:c61c9b80 [ 127.483553] r4:c61c9b80 [ 127.486103] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 127.493250] r9:c67fa000 r8:c03002e4 r7:00000004 r6:b6f44e00 r5:00000014 r4:00000014 [ 127.501010] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 127.508586] Exception stack(0xc67fbfa8 to 0xc67fbff0) [ 127.513648] bfa0: 00000014 00000014 00000001 b6dfd000 00000014 00000000 [ 127.521837] bfc0: 00000014 00000014 b6f44e00 00000004 00000001 00000000 00020000 beae2a54 [ 127.530025] bfe0: 00000004 beae2788 b6eb294f b6e38c66 [ 127.535091] Code: e34a3bcd e3000788 e34c01ad e0233002 (e5843000) [ 127.541199] ---[ end trace f564789ceb3242b4 ]--- # Segmentation fault # [ 127.144102] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT # [ 127.150336] lkdtm: attempting bad ro_after_init write at c1b82c5c # [ 127.158832] 8<--- cut here --- # [ 127.164691] Unable to handle kernel paging request at virtual address c1b82c5c # [ 127.174168] pgd = c1d37a57 # [ 127.178870] [c1b82c5c] *pgd=11a1941e(bad) # [ 127.185663] Internal error: Oops: 80d [#13] SMP ARM # [ 127.192964] 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 etnaviv gpu_sched dw_hdmi_imx dw_hdmi imx_ldb parallel_display imxdrm imx_ipu_v3 # [ 127.222043] CPU: 1 PID: 2535 Comm: cat Tainted: G D W 5.10.138-cip15 #1 # [ 127.229794] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 127.236341] PC is at lkdtm_WRITE_RO_AFTER_INIT+0x64/0x70 # [ 127.241673] LR is at __irq_work_queue_local+0x40/0x74 # [ 127.246734] pc : [] lr : [] psr: 600e0013 # [ 127.253007] sp : c67fbe50 ip : c67fbd58 fp : c67fbe64 # [ 127.258240] r10: 00000014 r9 : c1acf990 r8 : c15e7df8 # [ 127.263471] r7 : c67fbf60 r6 : 00000014 r5 : c5b3c000 r4 : c1b82c5c # [ 127.270006] r3 : fe67479e r2 : 55aa55aa r1 : ef7965e0 r0 : c1ad0788 # [ 127.276542] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 127.283687] Control: 10c5387d Table: 166b804a DAC: 00000051 # [ 127.289440] Process cat (pid: 2535, stack limit = 0xb56de551) # [ 127.295196] Stack: (0xc67fbe50 to 0xc67fc000) # [ 127.299567] be40: 00000029 c5b3c000 c67fbe74 c67fbe68 # [ 127.307758] be60: c0c2db80 c138a4e0 c67fbe9c c67fbe78 c0c2e080 c0c2db60 c0c2df60 c61c9b80 # [ 127.315949] be80: b6dfd000 00000014 c533ff00 c67fbf60 c67fbec4 c67fbea0 c07f5318 c0c2df6c # [ 127.324139] bea0: 00000000 c61c9b80 b6dfd000 c2816000 c67fbf60 c07f52b4 c67fbf5c c67fbec8 # [ 127.332329] bec0: c0598368 c07f52c0 00000001 00000000 c05988fc c46efce4 c05988fc c67fa000 # [ 127.340519] bee0: b6dfd000 00020000 00000004 00000014 0001ffec c67fbee0 00000001 00000805 # [ 127.348707] bf00: c580eb40 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 127.356896] bf20: 00000000 00000000 c67fa000 70c57329 b6dfc000 c61c9b80 c61c9b80 c67fa000 # [ 127.365086] bf40: b6dfd000 00000000 00000000 00000004 c67fbf94 c67fbf60 c05988fc c0598268 # [ 127.373275] bf60: 00000000 00000000 c67fbfac 70c57329 00000014 00000014 b6f44e00 00000004 # [ 127.381464] bf80: c03002e4 c67fa000 c67fbfa4 c67fbf98 c059898c c0598894 00000000 c67fbfa8 # [ 127.389652] bfa0: c03000c0 c0598980 00000014 00000014 00000001 b6dfd000 00000014 00000000 # [ 127.397841] bfc0: 00000014 00000014 b6f44e00 00000004 00000001 00000000 00020000 beae2a54 # [ 127.406030] bfe0: 00000004 beae2788 b6eb294f b6e38c66 800e0030 00000001 00000000 00000000 # [ 127.414211] Backtrace: # [ 127.416689] [] (lkdtm_WRITE_RO_AFTER_INIT) from [] (lkdtm_do_action+0x2c/0x4c) # [ 127.425661] r5:c5b3c000 r4:00000029 # [ 127.429254] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 127.437278] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 127.445207] r9:c67fbf60 r8:c533ff00 r7:00000014 r6:b6dfd000 r5:c61c9b80 r4:c0c2df60 # [ 127.452969] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 127.460811] r9:c07f52b4 r8:c67fbf60 r7:c2816000 r6:b6dfd000 r5:c61c9b80 r4:00000000 # [ 127.468567] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 127.475716] r10:00000004 r9:00000000 r8:00000000 r7:b6dfd000 r6:c67fa000 r5:c61c9b80 # [ 127.483553] r4:c61c9b80 # [ 127.486103] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 127.493250] r9:c67fa000 r8:c03002e4 r7:00000004 r6:b6f44e00 r5:00000014 r4:00000014 # [ 127.501010] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 127.508586] Exception stack(0xc67fbfa8 to 0xc67fbff0) # [ 127.513648] bfa0: 00000014 00000014 00000001 b6dfd000 00000014 00000000 # [ 127.521837] bfc0: 00000014 00000014 b6f44e00 00000004 00000001 00000000 00020000 beae2a54 # [ 127.530025] bfe0: 00000004 beae2788 b6eb294f b6e38c66 # [ 127.535091] Code: e34a3bcd e3000788 e34c01ad e0233002 (e5843000) # [ 127.541199] ---[ end trace f564789ceb3242b4 ]--- # WRITE_RO_AFTER_INIT: missing 'call trace:': [FAIL] not ok 40 selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # exit=1 # selftests: lkdtm: WRITE_KERN.sh [ 128.130318] lkdtm: Performing direct entry WRITE_KERN [ 128.135552] lkdtm: attempting bad 7715516 byte write at c138a3ac [ 128.141604] 8<--- cut here --- [ 128.144674] Unable to handle kernel paging request at virtual address c138a3ac [ 128.151905] pgd = 4e008d23 [ 128.154622] [c138a3ac] *pgd=1121940e(bad) [ 128.158660] Internal error: Oops: 80d [#14] SMP ARM [ 128.163549] 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 etnaviv gpu_sched dw_hdmi_imx dw_hdmi imx_ldb parallel_display imxdrm imx_ipu_v3 [ 128.192625] CPU: 2 PID: 2609 Comm: cat Tainted: G D W 5.10.138-cip15 #1 [ 128.200375] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 128.206918] PC is at memcpy+0x50/0x330 [ 128.210680] LR is at 0xe92dd830 [ 128.213829] pc : [] lr : [] psr: 200e0013 [ 128.220105] sp : c5b61e2c ip : e1a0c00d fp : c5b61e64 [ 128.225338] r10: 0000000b r9 : c1acf9a4 r8 : e89da800 [ 128.230570] r7 : e8bd4000 r6 : e52de004 r5 : e24cb004 r4 : e92dd800 [ 128.237104] r3 : e1a0c00d r2 : 0075ba1c r1 : c0c2e910 r0 : c138a3ac [ 128.243640] Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 128.250783] Control: 10c5387d Table: 1677c04a DAC: 00000051 [ 128.256538] Process cat (pid: 2609, stack limit = 0x4fab7681) [ 128.262292] Stack: (0xc5b61e2c to 0xc5b62000) [ 128.266664] 1e20: c0c2e8f0 0075babc c5b61f60 c15e7df8 c138a3ac [ 128.274855] 1e40: c138a3ac c138a590 0000002a c5d8c000 0000000b c5b61f60 c5b61e74 c5b61e68 [ 128.283044] 1e60: c0c2db80 c138a550 c5b61e9c c5b61e78 c0c2e080 c0c2db60 c0c2df60 c5b5c8c0 [ 128.291234] 1e80: b6df2000 0000000b c533ff00 c5b61f60 c5b61ec4 c5b61ea0 c07f5318 c0c2df6c [ 128.299424] 1ea0: 00000000 c5b5c8c0 b6df2000 c2816000 c5b61f60 c07f52b4 c5b61f5c c5b61ec8 [ 128.307613] 1ec0: c0598368 c07f52c0 00000001 00000000 c05988fc c597f4a4 c05988fc c5b60000 [ 128.315802] 1ee0: b6df2000 00020000 00000004 0000000b 0001fff5 c5b61ee0 00000001 00000805 [ 128.323990] 1f00: c61c9400 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 128.332180] 1f20: 00000000 00000000 c5b60000 85a56beb b6df1000 c5b5c8c0 c5b5c8c0 c5b60000 [ 128.340368] 1f40: b6df2000 00000000 00000000 00000004 c5b61f94 c5b61f60 c05988fc c0598268 [ 128.348558] 1f60: 00000000 00000000 c5b61fac 85a56beb 0000000b 0000000b b6f39e00 00000004 [ 128.356746] 1f80: c03002e4 c5b60000 c5b61fa4 c5b61f98 c059898c c0598894 00000000 c5b61fa8 [ 128.364934] 1fa0: c03000c0 c0598980 0000000b 0000000b 00000001 b6df2000 0000000b 00000000 [ 128.373125] 1fc0: 0000000b 0000000b b6f39e00 00000004 00000001 00000000 00020000 be899a54 [ 128.381313] 1fe0: 00000004 be899788 b6ea794f b6e2dc66 800e0030 00000001 00000000 00000000 [ 128.389494] Backtrace: [ 128.391977] [] (lkdtm_WRITE_KERN) from [] (lkdtm_do_action+0x2c/0x4c) [ 128.400166] r7:c5b61f60 r6:0000000b r5:c5d8c000 r4:0000002a [ 128.405845] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 128.413868] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 128.421799] r9:c5b61f60 r8:c533ff00 r7:0000000b r6:b6df2000 r5:c5b5c8c0 r4:c0c2df60 [ 128.429560] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 128.437401] r9:c07f52b4 r8:c5b61f60 r7:c2816000 r6:b6df2000 r5:c5b5c8c0 r4:00000000 [ 128.445159] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 128.452306] r10:00000004 r9:00000000 r8:00000000 r7:b6df2000 r6:c5b60000 r5:c5b5c8c0 [ 128.460143] r4:c5b5c8c0 [ 128.462691] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 128.469839] r9:c5b60000 r8:c03002e4 r7:00000004 r6:b6f39e00 r5:0000000b r4:0000000b [ 128.477599] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 128.485175] Exception stack(0xc5b61fa8 to 0xc5b61ff0) [ 128.490238] 1fa0: 0000000b 0000000b 00000001 b6df2000 0000000b 00000000 [ 128.498427] 1fc0: 0000000b 0000000b b6f39e00 00000004 00000001 00000000 00020000 be899a54 [ 128.506614] 1fe0: 00000004 be899788 b6ea794f b6e2dc66 [ 128.511678] Code: f5d1f05c f5d1f07c e8b151f8 e2522020 (e8a051f8) [ 128.517786] ---[ end trace f564789ceb3242b5 ]--- # Segmentation fault # [ 128.130318] lkdtm: Performing direct entry WRITE_KERN # [ 128.135552] lkdtm: attempting bad 7715516 byte write at c138a3ac # [ 128.141604] 8<--- cut here --- # [ 128.144674] Unable to handle kernel paging request at virtual address c138a3ac # [ 128.151905] pgd = 4e008d23 # [ 128.154622] [c138a3ac] *pgd=1121940e(bad) # [ 128.158660] Internal error: Oops: 80d [#14] SMP ARM # [ 128.163549] 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 etnaviv gpu_sched dw_hdmi_imx dw_hdmi imx_ldb parallel_display imxdrm imx_ipu_v3 # [ 128.192625] CPU: 2 PID: 2609 Comm: cat Tainted: G D W 5.10.138-cip15 #1 # [ 128.200375] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 128.206918] PC is at memcpy+0x50/0x330 # [ 128.210680] LR is at 0xe92dd830 # [ 128.213829] pc : [] lr : [] psr: 200e0013 # [ 128.220105] sp : c5b61e2c ip : e1a0c00d fp : c5b61e64 # [ 128.225338] r10: 0000000b r9 : c1acf9a4 r8 : e89da800 # [ 128.230570] r7 : e8bd4000 r6 : e52de004 r5 : e24cb004 r4 : e92dd800 # [ 128.237104] r3 : e1a0c00d r2 : 0075ba1c r1 : c0c2e910 r0 : c138a3ac # [ 128.243640] Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 128.250783] Control: 10c5387d Table: 1677c04a DAC: 00000051 # [ 128.256538] Process cat (pid: 2609, stack limit = 0x4fab7681) # [ 128.262292] Stack: (0xc5b61e2c to 0xc5b62000) # [ 128.266664] 1e20: c0c2e8f0 0075babc c5b61f60 c15e7df8 c138a3ac # [ 128.274855] 1e40: c138a3ac c138a590 0000002a c5d8c000 0000000b c5b61f60 c5b61e74 c5b61e68 # [ 128.283044] 1e60: c0c2db80 c138a550 c5b61e9c c5b61e78 c0c2e080 c0c2db60 c0c2df60 c5b5c8c0 # [ 128.291234] 1e80: b6df2000 0000000b c533ff00 c5b61f60 c5b61ec4 c5b61ea0 c07f5318 c0c2df6c # [ 128.299424] 1ea0: 00000000 c5b5c8c0 b6df2000 c2816000 c5b61f60 c07f52b4 c5b61f5c c5b61ec8 # [ 128.307613] 1ec0: c0598368 c07f52c0 00000001 00000000 c05988fc c597f4a4 c05988fc c5b60000 # [ 128.315802] 1ee0: b6df2000 00020000 00000004 0000000b 0001fff5 c5b61ee0 00000001 00000805 # [ 128.323990] 1f00: c61c9400 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 128.332180] 1f20: 00000000 00000000 c5b60000 85a56beb b6df1000 c5b5c8c0 c5b5c8c0 c5b60000 # [ 128.340368] 1f40: b6df2000 00000000 00000000 00000004 c5b61f94 c5b61f60 c05988fc c0598268 # [ 128.348558] 1f60: 00000000 00000000 c5b61fac 85a56beb 0000000b 0000000b b6f39e00 00000004 # [ 128.356746] 1f80: c03002e4 c5b60000 c5b61fa4 c5b61f98 c059898c c0598894 00000000 c5b61fa8 # [ 128.364934] 1fa0: c03000c0 c0598980 0000000b 0000000b 00000001 b6df2000 0000000b 00000000 # [ 128.373125] 1fc0: 0000000b 0000000b b6f39e00 00000004 00000001 00000000 00020000 be899a54 # [ 128.381313] 1fe0: 00000004 be899788 b6ea794f b6e2dc66 800e0030 00000001 00000000 00000000 # [ 128.389494] Backtrace: # [ 128.391977] [] (lkdtm_WRITE_KERN) from [] (lkdtm_do_action+0x2c/0x4c) # [ 128.400166] r7:c5b61f60 r6:0000000b r5:c5d8c000 r4:0000002a # [ 128.405845] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 128.413868] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 128.421799] r9:c5b61f60 r8:c533ff00 r7:0000000b r6:b6df2000 r5:c5b5c8c0 r4:c0c2df60 # [ 128.429560] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 128.437401] r9:c07f52b4 r8:c5b61f60 r7:c2816000 r6:b6df2000 r5:c5b5c8c0 r4:00000000 # [ 128.445159] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 128.452306] r10:00000004 r9:00000000 r8:00000000 r7:b6df2000 r6:c5b60000 r5:c5b5c8c0 # [ 128.460143] r4:c5b5c8c0 # [ 128.462691] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 128.469839] r9:c5b60000 r8:c03002e4 r7:00000004 r6:b6f39e00 r5:0000000b r4:0000000b # [ 128.477599] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 128.485175] Exception stack(0xc5b61fa8 to 0xc5b61ff0) # [ 128.490238] 1fa0: 0000000b 0000000b 00000001 b6df2000 0000000b 00000000 # [ 128.498427] 1fc0: 0000000b 0000000b b6f39e00 00000004 00000001 00000000 00020000 be899a54 # [ 128.506614] 1fe0: 00000004 be899788 b6ea794f b6e2dc66 # [ 128.511678] Code: f5d1f05c f5d1f07c e8b151f8 e2522020 (e8a051f8) # [ 128.517786] ---[ end trace f564789ceb3242b5 ]--- # WRITE_KERN: missing 'call trace:': [FAIL] not ok 41 selftests: lkdtm: WRITE_KERN.sh # exit=1 # selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh [ 129.100189] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW [ 129.106417] lkdtm: attempting good refcount_inc() without overflow [ 129.112724] lkdtm: attempting bad refcount_inc() overflow [ 129.118161] ------------[ cut here ]------------ [ 129.122953] WARNING: CPU: 2 PID: 2684 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 [ 129.131431] refcount_t: saturated; leaking memory. [ 129.136280] 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 etnaviv gpu_sched dw_hdmi_imx dw_hdmi imx_ldb parallel_display imxdrm imx_ipu_v3 [ 129.165502] CPU: 2 PID: 2684 Comm: cat Tainted: G D W 5.10.138-cip15 #1 [ 129.173256] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 129.179793] Backtrace: [ 129.182274] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 129.189857] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f728 [ 129.195533] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 129.202861] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 129.209834] r9:00000009 r8:c086d63c r7:00000016 r6:00000009 r5:c086d63c r4:c1a23e20 [ 129.217591] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 129.225086] r7:00000016 r6:c1a23e20 r5:c1a23df8 r4:c6462000 [ 129.230765] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) [ 129.239734] r9:c1acf9b0 r8:c15e7df8 r7:c6463f60 r6:00000016 r5:c5c6d000 r4:c6462000 [ 129.247493] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) [ 129.257163] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_OVERFLOW+0x78/0x9c) [ 129.267273] [] (lkdtm_REFCOUNT_INC_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) [ 129.276412] r4:0000002b [ 129.278962] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 129.286986] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 129.294914] r9:c6463f60 r8:c533ff00 r7:00000016 r6:b6e13000 r5:c5ad8f00 r4:c0c2df60 [ 129.302674] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 129.310515] r9:c07f52b4 r8:c6463f60 r7:c2816000 r6:b6e13000 r5:c5ad8f00 r4:00000000 [ 129.318272] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 129.325418] r10:00000004 r9:00000000 r8:00000000 r7:b6e13000 r6:c6462000 r5:c5ad8f00 [ 129.333253] r4:c5ad8f00 [ 129.335801] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 129.342948] r9:c6462000 r8:c03002e4 r7:00000004 r6:b6f5ae00 r5:00000016 r4:00000016 [ 129.350707] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 129.358285] Exception stack(0xc6463fa8 to 0xc6463ff0) [ 129.363349] 3fa0: 00000016 00000016 00000001 b6e13000 00000016 00000000 [ 129.371539] 3fc0: 00000016 00000016 b6f5ae00 00000004 00000001 00000000 00020000 bed62a54 [ 129.379726] 3fe0: 00000004 bed62788 b6ec894f b6e4ec66 [ 129.384859] irq event stamp: 0 [ 129.387937] hardirqs last enabled at (0): [<00000000>] 0x0 [ 129.393578] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 129.401080] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 129.408639] softirqs last disabled at (0): [<00000000>] 0x0 [ 129.414271] ---[ end trace f564789ceb3242b6 ]--- [ 129.418906] lkdtm: Overflow detected: saturated # [ 129.100189] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW # [ 129.106417] lkdtm: attempting good refcount_inc() without overflow # [ 129.112724] lkdtm: attempting bad refcount_inc() overflow # [ 129.118161] ------------[ cut here ]------------ # [ 129.122953] WARNING: CPU: 2 PID: 2684 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 129.131431] refcount_t: saturated; leaking memory. # [ 129.136280] 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 etnaviv gpu_sched dw_hdmi_imx dw_hdmi imx_ldb parallel_display imxdrm imx_ipu_v3 # [ 129.165502] CPU: 2 PID: 2684 Comm: cat Tainted: G D W 5.10.138-cip15 #1 # [ 129.173256] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 129.179793] Backtrace: # [ 129.182274] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 129.189857] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f728 # [ 129.195533] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 129.202861] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 129.209834] r9:00000009 r8:c086d63c r7:00000016 r6:00000009 r5:c086d63c r4:c1a23e20 # [ 129.217591] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 129.225086] r7:00000016 r6:c1a23e20 r5:c1a23df8 r4:c6462000 # [ 129.230765] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 129.239734] r9:c1acf9b0 r8:c15e7df8 r7:c6463f60 r6:00000016 r5:c5c6d000 r4:c6462000 # [ 129.247493] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 129.257163] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_OVERFLOW+0x78/0x9c) # [ 129.267273] [] (lkdtm_REFCOUNT_INC_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 129.276412] r4:0000002b # [ 129.278962] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 129.286986] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 129.294914] r9:c6463f60 r8:c533ff00 r7:00000016 r6:b6e13000 r5:c5ad8f00 r4:c0c2df60 # [ 129.302674] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 129.310515] r9:c07f52b4 r8:c6463f60 r7:c2816000 r6:b6e13000 r5:c5ad8f00 r4:00000000 # [ 129.318272] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 129.325418] r10:00000004 r9:00000000 r8:00000000 r7:b6e13000 r6:c6462000 r5:c5ad8f00 # [ 129.333253] r4:c5ad8f00 # [ 129.335801] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 129.342948] r9:c6462000 r8:c03002e4 r7:00000004 r6:b6f5ae00 r5:00000016 r4:00000016 # [ 129.350707] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 129.358285] Exception stack(0xc6463fa8 to 0xc6463ff0) # [ 129.363349] 3fa0: 00000016 00000016 00000001 b6e13000 00000016 00000000 # [ 129.371539] 3fc0: 00000016 00000016 b6f5ae00 00000004 00000001 00000000 00020000 bed62a54 # [ 129.379726] 3fe0: 00000004 bed62788 b6ec894f b6e4ec66 # [ 129.384859] irq event stamp: 0 # [ 129.387937] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 129.393578] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 129.401080] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 129.408639] softirqs last disabled at (0): [<00000000>] 0x0 # [ 129.414271] ---[ end trace f564789ceb3242b6 ]--- # [ 129.418906] lkdtm: Overflow detected: saturated # REFCOUNT_INC_OVERFLOW: missing 'call trace:': [FAIL] not ok 42 selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh # exit=1 # selftests: lkdtm: REFCOUNT_ADD_OVERFLOW.sh [ 129.938194] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW [ 129.944295] lkdtm: attempting good refcount_add() without overflow [ 129.950489] lkdtm: attempting bad refcount_add() overflow [ 129.955954] ------------[ cut here ]------------ [ 129.960607] WARNING: CPU: 0 PID: 2718 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 [ 129.969097] refcount_t: saturated; leaking memory. [ 129.973937] 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 etnaviv gpu_sched dw_hdmi_imx dw_hdmi imx_ldb parallel_display imxdrm imx_ipu_v3 [ 130.003270] CPU: 0 PID: 2718 Comm: cat Tainted: G D W 5.10.138-cip15 #1 [ 130.011024] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 130.017559] Backtrace: [ 130.020041] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 130.027624] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f728 [ 130.033305] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 130.040635] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 130.047611] r9:00000009 r8:c086d63c r7:00000016 r6:00000009 r5:c086d63c r4:c1a23e20 [ 130.055369] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 130.062862] r7:00000016 r6:c1a23e20 r5:c1a23df8 r4:c6658000 [ 130.068539] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) [ 130.077511] r9:c1acf9c8 r8:c15e7df8 r7:c6659f60 r6:00000016 r5:c6445000 r4:c6658000 [ 130.085271] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) [ 130.094940] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_OVERFLOW+0x84/0xa8) [ 130.105047] [] (lkdtm_REFCOUNT_ADD_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) [ 130.114185] r4:0000002c [ 130.116733] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 130.124755] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 130.132684] r9:c6659f60 r8:c533ff00 r7:00000016 r6:b6e1a000 r5:c5b5c500 r4:c0c2df60 [ 130.140445] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 130.148286] r9:c07f52b4 r8:c6659f60 r7:c2816000 r6:b6e1a000 r5:c5b5c500 r4:00000000 [ 130.156042] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 130.163188] r10:00000004 r9:00000000 r8:00000000 r7:b6e1a000 r6:c6658000 r5:c5b5c500 [ 130.171024] r4:c5b5c500 [ 130.173574] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 130.180722] r9:c6658000 r8:c03002e4 r7:00000004 r6:b6f61e00 r5:00000016 r4:00000016 [ 130.188480] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 130.196058] Exception stack(0xc6659fa8 to 0xc6659ff0) [ 130.201121] 9fa0: 00000016 00000016 00000001 b6e1a000 00000016 00000000 [ 130.209312] 9fc0: 00000016 00000016 b6f61e00 00000004 00000001 00000000 00020000 beb04a54 [ 130.217498] 9fe0: 00000004 beb04788 b6ecf94f b6e55c66 [ 130.222606] irq event stamp: 0 [ 130.225683] hardirqs last enabled at (0): [<00000000>] 0x0 [ 130.231276] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 130.238824] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 130.246377] softirqs last disabled at (0): [<00000000>] 0x0 [ 130.251966] ---[ end trace f564789ceb3242b7 ]--- [ 130.256628] lkdtm: Overflow detected: saturated # [ 129.938194] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW # [ 129.944295] lkdtm: attempting good refcount_add() without overflow # [ 129.950489] lkdtm: attempting bad refcount_add() overflow # [ 129.955954] ------------[ cut here ]------------ # [ 129.960607] WARNING: CPU: 0 PID: 2718 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 129.969097] refcount_t: saturated; leaking memory. # [ 129.973937] 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 etnaviv gpu_sched dw_hdmi_imx dw_hdmi imx_ldb parallel_display imxdrm imx_ipu_v3 # [ 130.003270] CPU: 0 PID: 2718 Comm: cat Tainted: G D W 5.10.138-cip15 #1 # [ 130.011024] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 130.017559] Backtrace: # [ 130.020041] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 130.027624] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f728 # [ 130.033305] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 130.040635] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 130.047611] r9:00000009 r8:c086d63c r7:00000016 r6:00000009 r5:c086d63c r4:c1a23e20 # [ 130.055369] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 130.062862] r7:00000016 r6:c1a23e20 r5:c1a23df8 r4:c6658000 # [ 130.068539] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 130.077511] r9:c1acf9c8 r8:c15e7df8 r7:c6659f60 r6:00000016 r5:c6445000 r4:c6658000 # [ 130.085271] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 130.094940] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_OVERFLOW+0x84/0xa8) # [ 130.105047] [] (lkdtm_REFCOUNT_ADD_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 130.114185] r4:0000002c # [ 130.116733] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 130.124755] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 130.132684] r9:c6659f60 r8:c533ff00 r7:00000016 r6:b6e1a000 r5:c5b5c500 r4:c0c2df60 # [ 130.140445] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 130.148286] r9:c07f52b4 r8:c6659f60 r7:c2816000 r6:b6e1a000 r5:c5b5c500 r4:00000000 # [ 130.156042] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 130.163188] r10:00000004 r9:00000000 r8:00000000 r7:b6e1a000 r6:c6658000 r5:c5b5c500 # [ 130.171024] r4:c5b5c500 # [ 130.173574] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 130.180722] r9:c6658000 r8:c03002e4 r7:00000004 r6:b6f61e00 r5:00000016 r4:00000016 # [ 130.188480] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 130.196058] Exception stack(0xc6659fa8 to 0xc6659ff0) # [ 130.201121] 9fa0: 00000016 00000016 00000001 b6e1a000 00000016 00000000 # [ 130.209312] 9fc0: 00000016 00000016 b6f61e00 00000004 00000001 00000000 00020000 beb04a54 # [ 130.217498] 9fe0: 00000004 beb04788 b6ecf94f b6e55c66 # [ 130.222606] irq event stamp: 0 # [ 130.225683] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 130.231276] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 130.238824] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 130.246377] softirqs last disabled at (0): [<00000000>] 0x0 # [ 130.251966] ---[ end trace f564789ceb3242b7 ]--- # [ 130.256628] lkdtm: Overflow detected: saturated # REFCOUNT_ADD_OVERFLOW: missing 'call trace:': [FAIL] not ok 43 selftests: lkdtm: REFCOUNT_ADD_OVERFLOW.sh # exit=1 # selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh [ 130.797968] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW [ 130.804917] lkdtm: attempting bad refcount_inc_not_zero() overflow [ 130.811135] ------------[ cut here ]------------ [ 130.815881] WARNING: CPU: 1 PID: 2752 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 [ 130.824373] refcount_t: saturated; leaking memory. [ 130.829181] 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 etnaviv gpu_sched dw_hdmi_imx dw_hdmi imx_ldb parallel_display imxdrm imx_ipu_v3 [ 130.858418] CPU: 1 PID: 2752 Comm: cat Tainted: G D W 5.10.138-cip15 #1 [ 130.866172] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 130.872707] Backtrace: [ 130.875191] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 130.882775] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f728 [ 130.888454] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 130.895781] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 130.902755] r9:00000009 r8:c086d608 r7:00000013 r6:00000009 r5:c086d608 r4:c1a23e20 [ 130.910513] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 130.918005] r7:00000013 r6:c1a23e20 r5:c1a23df8 r4:c5ee0000 [ 130.923684] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) [ 130.932655] r9:c1acf9e0 r8:c15e7df8 r7:c5ee1f60 r6:0000001f r5:c5b3e000 r4:7fffffff [ 130.940418] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) [ 130.950871] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x50/0x88) [ 130.962529] r5:c5b3e000 r4:c5ee0000 [ 130.966128] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) [ 130.976048] r4:0000002d [ 130.978597] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 130.986621] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 130.994549] r9:c5ee1f60 r8:c533ff00 r7:0000001f r6:b6e51000 r5:c5afd900 r4:c0c2df60 [ 131.002310] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 131.010153] r9:c07f52b4 r8:c5ee1f60 r7:c2816000 r6:b6e51000 r5:c5afd900 r4:00000000 [ 131.017908] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 131.025056] r10:00000004 r9:00000000 r8:00000000 r7:b6e51000 r6:c5ee0000 r5:c5afd900 [ 131.032891] r4:c5afd900 [ 131.035440] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 131.042590] r9:c5ee0000 r8:c03002e4 r7:00000004 r6:b6f98e00 r5:0000001f r4:0000001f [ 131.050347] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 131.057926] Exception stack(0xc5ee1fa8 to 0xc5ee1ff0) [ 131.062990] 1fa0: 0000001f 0000001f 00000001 b6e51000 0000001f 00000000 [ 131.071181] 1fc0: 0000001f 0000001f b6f98e00 00000004 00000001 00000000 00020000 be9e7a54 [ 131.079369] 1fe0: 00000004 be9e7788 b6f0694f b6e8cc66 [ 131.084528] irq event stamp: 0 [ 131.087607] hardirqs last enabled at (0): [<00000000>] 0x0 [ 131.093240] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 131.100743] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 131.108297] softirqs last disabled at (0): [<00000000>] 0x0 [ 131.113988] ---[ end trace f564789ceb3242b8 ]--- [ 131.118635] lkdtm: Overflow detected: saturated # [ 130.797968] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 130.804917] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 130.811135] ------------[ cut here ]------------ # [ 130.815881] WARNING: CPU: 1 PID: 2752 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 130.824373] refcount_t: saturated; leaking memory. # [ 130.829181] 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 etnaviv gpu_sched dw_hdmi_imx dw_hdmi imx_ldb parallel_display imxdrm imx_ipu_v3 # [ 130.858418] CPU: 1 PID: 2752 Comm: cat Tainted: G D W 5.10.138-cip15 #1 # [ 130.866172] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 130.872707] Backtrace: # [ 130.875191] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 130.882775] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f728 # [ 130.888454] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 130.895781] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 130.902755] r9:00000009 r8:c086d608 r7:00000013 r6:00000009 r5:c086d608 r4:c1a23e20 # [ 130.910513] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 130.918005] r7:00000013 r6:c1a23e20 r5:c1a23df8 r4:c5ee0000 # [ 130.923684] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 130.932655] r9:c1acf9e0 r8:c15e7df8 r7:c5ee1f60 r6:0000001f r5:c5b3e000 r4:7fffffff # [ 130.940418] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 130.950871] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x50/0x88) # [ 130.962529] r5:c5b3e000 r4:c5ee0000 # [ 130.966128] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 130.976048] r4:0000002d # [ 130.978597] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 130.986621] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 130.994549] r9:c5ee1f60 r8:c533ff00 r7:0000001f r6:b6e51000 r5:c5afd900 r4:c0c2df60 # [ 131.002310] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 131.010153] r9:c07f52b4 r8:c5ee1f60 r7:c2816000 r6:b6e51000 r5:c5afd900 r4:00000000 # [ 131.017908] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 131.025056] r10:00000004 r9:00000000 r8:00000000 r7:b6e51000 r6:c5ee0000 r5:c5afd900 # [ 131.032891] r4:c5afd900 # [ 131.035440] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 131.042590] r9:c5ee0000 r8:c03002e4 r7:00000004 r6:b6f98e00 r5:0000001f r4:0000001f # [ 131.050347] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 131.057926] Exception stack(0xc5ee1fa8 to 0xc5ee1ff0) # [ 131.062990] 1fa0: 0000001f 0000001f 00000001 b6e51000 0000001f 00000000 # [ 131.071181] 1fc0: 0000001f 0000001f b6f98e00 00000004 00000001 00000000 00020000 be9e7a54 # [ 131.079369] 1fe0: 00000004 be9e7788 b6f0694f b6e8cc66 # [ 131.084528] irq event stamp: 0 # [ 131.087607] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 131.093240] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 131.100743] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 131.108297] softirqs last disabled at (0): [<00000000>] 0x0 # [ 131.113988] ---[ end trace f564789ceb3242b8 ]--- # [ 131.118635] lkdtm: Overflow detected: saturated # REFCOUNT_INC_NOT_ZERO_OVERFLOW: missing 'call trace:': [FAIL] not ok 44 selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh # exit=1 # selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh [ 131.631693] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW [ 131.638631] lkdtm: attempting bad refcount_add_not_zero() overflow [ 131.644967] ------------[ cut here ]------------ [ 131.649657] WARNING: CPU: 2 PID: 2786 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 [ 131.658191] refcount_t: saturated; leaking memory. [ 131.663034] 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 etnaviv gpu_sched dw_hdmi_imx dw_hdmi imx_ldb parallel_display imxdrm imx_ipu_v3 [ 131.692280] CPU: 2 PID: 2786 Comm: cat Tainted: G D W 5.10.138-cip15 #1 [ 131.700032] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 131.706569] Backtrace: [ 131.709050] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 131.716633] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f728 [ 131.722311] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 131.729638] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 131.736614] r9:00000009 r8:c086d608 r7:00000013 r6:00000009 r5:c086d608 r4:c1a23e20 [ 131.744372] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 131.751864] r7:00000013 r6:c1a23e20 r5:c1a23df8 r4:c6140000 [ 131.757544] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) [ 131.766514] r9:c1acfa00 r8:c15e7df8 r7:c6141f60 r6:0000001f r5:c5c6d000 r4:7fffffff [ 131.774277] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) [ 131.784730] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x50/0x88) [ 131.796387] r5:c5c6d000 r4:c6140000 [ 131.799986] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) [ 131.809906] r4:0000002e [ 131.812457] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 131.820480] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 131.828409] r9:c6141f60 r8:c533ff00 r7:0000001f r6:b6e68000 r5:c5ad9e00 r4:c0c2df60 [ 131.836170] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 131.844011] r9:c07f52b4 r8:c6141f60 r7:c2816000 r6:b6e68000 r5:c5ad9e00 r4:00000000 [ 131.851769] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 131.858916] r10:00000004 r9:00000000 r8:00000000 r7:b6e68000 r6:c6140000 r5:c5ad9e00 [ 131.866754] r4:c5ad9e00 [ 131.869301] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 131.876449] r9:c6140000 r8:c03002e4 r7:00000004 r6:b6fafe00 r5:0000001f r4:0000001f [ 131.884207] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 131.891785] Exception stack(0xc6141fa8 to 0xc6141ff0) [ 131.896849] 1fa0: 0000001f 0000001f 00000001 b6e68000 0000001f 00000000 [ 131.905039] 1fc0: 0000001f 0000001f b6fafe00 00000004 00000001 00000000 00020000 bea85a54 [ 131.913226] 1fe0: 00000004 bea85788 b6f1d94f b6ea3c66 [ 131.918354] irq event stamp: 0 [ 131.921431] hardirqs last enabled at (0): [<00000000>] 0x0 [ 131.927065] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 131.934597] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 131.942120] softirqs last disabled at (0): [<00000000>] 0x0 [ 131.947773] ---[ end trace f564789ceb3242b9 ]--- [ 131.952444] lkdtm: Overflow detected: saturated # [ 131.631693] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 131.638631] lkdtm: attempting bad refcount_add_not_zero() overflow # [ 131.644967] ------------[ cut here ]------------ # [ 131.649657] WARNING: CPU: 2 PID: 2786 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 131.658191] refcount_t: saturated; leaking memory. # [ 131.663034] 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 etnaviv gpu_sched dw_hdmi_imx dw_hdmi imx_ldb parallel_display imxdrm imx_ipu_v3 # [ 131.692280] CPU: 2 PID: 2786 Comm: cat Tainted: G D W 5.10.138-cip15 #1 # [ 131.700032] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 131.706569] Backtrace: # [ 131.709050] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 131.716633] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f728 # [ 131.722311] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 131.729638] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 131.736614] r9:00000009 r8:c086d608 r7:00000013 r6:00000009 r5:c086d608 r4:c1a23e20 # [ 131.744372] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 131.751864] r7:00000013 r6:c1a23e20 r5:c1a23df8 r4:c6140000 # [ 131.757544] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 131.766514] r9:c1acfa00 r8:c15e7df8 r7:c6141f60 r6:0000001f r5:c5c6d000 r4:7fffffff # [ 131.774277] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 131.784730] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x50/0x88) # [ 131.796387] r5:c5c6d000 r4:c6140000 # [ 131.799986] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 131.809906] r4:0000002e # [ 131.812457] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 131.820480] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 131.828409] r9:c6141f60 r8:c533ff00 r7:0000001f r6:b6e68000 r5:c5ad9e00 r4:c0c2df60 # [ 131.836170] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 131.844011] r9:c07f52b4 r8:c6141f60 r7:c2816000 r6:b6e68000 r5:c5ad9e00 r4:00000000 # [ 131.851769] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 131.858916] r10:00000004 r9:00000000 r8:00000000 r7:b6e68000 r6:c6140000 r5:c5ad9e00 # [ 131.866754] r4:c5ad9e00 # [ 131.869301] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 131.876449] r9:c6140000 r8:c03002e4 r7:00000004 r6:b6fafe00 r5:0000001f r4:0000001f # [ 131.884207] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 131.891785] Exception stack(0xc6141fa8 to 0xc6141ff0) # [ 131.896849] 1fa0: 0000001f 0000001f 00000001 b6e68000 0000001f 00000000 # [ 131.905039] 1fc0: 0000001f 0000001f b6fafe00 00000004 00000001 00000000 00020000 bea85a54 # [ 131.913226] 1fe0: 00000004 bea85788 b6f1d94f b6ea3c66 # [ 131.918354] irq event stamp: 0 # [ 131.921431] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 131.927065] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 131.934597] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 131.942120] softirqs last disabled at (0): [<00000000>] 0x0 # [ 131.947773] ---[ end trace f564789ceb3242b9 ]--- # [ 131.952444] 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 [ 132.481004] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO [ 132.486808] lkdtm: attempting good refcount_dec() [ 132.491550] lkdtm: attempting bad refcount_dec() to zero [ 132.496951] ------------[ cut here ]------------ [ 132.501607] WARNING: CPU: 1 PID: 2820 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 [ 132.510119] refcount_t: decrement hit 0; leaking memory. [ 132.515486] 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 etnaviv gpu_sched dw_hdmi_imx dw_hdmi imx_ldb parallel_display imxdrm imx_ipu_v3 [ 132.544731] CPU: 1 PID: 2820 Comm: cat Tainted: G D W 5.10.138-cip15 #1 [ 132.552484] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 132.559020] Backtrace: [ 132.561502] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 132.569086] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f728 [ 132.574766] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 132.582093] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 132.589069] r9:00000009 r8:c086d5d4 r7:0000001f r6:00000009 r5:c086d5d4 r4:c1a23e20 [ 132.596828] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 132.604320] r7:0000001f r6:c1a23e20 r5:c1a23e84 r4:c61a0000 [ 132.610000] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) [ 132.618971] r9:c1acfa20 r8:c15e7df8 r7:c61a1f60 r6:00000012 r5:c5b3e000 r4:c61a0000 [ 132.626734] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) [ 132.636404] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_ZERO+0x5c/0xd8) [ 132.646165] [] (lkdtm_REFCOUNT_DEC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) [ 132.654956] r4:0000002f [ 132.657508] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 132.665530] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 132.673459] r9:c61a1f60 r8:c533ff00 r7:00000012 r6:b6e17000 r5:c580ea00 r4:c0c2df60 [ 132.681220] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 132.689063] r9:c07f52b4 r8:c61a1f60 r7:c2816000 r6:b6e17000 r5:c580ea00 r4:00000000 [ 132.696819] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 132.703965] r10:00000004 r9:00000000 r8:00000000 r7:b6e17000 r6:c61a0000 r5:c580ea00 [ 132.711801] r4:c580ea00 [ 132.714349] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 132.721495] r9:c61a0000 r8:c03002e4 r7:00000004 r6:b6f5ee00 r5:00000012 r4:00000012 [ 132.729255] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 132.736834] Exception stack(0xc61a1fa8 to 0xc61a1ff0) [ 132.741899] 1fa0: 00000012 00000012 00000001 b6e17000 00000012 00000000 [ 132.750089] 1fc0: 00000012 00000012 b6f5ee00 00000004 00000001 00000000 00020000 bea7aa54 [ 132.758277] 1fe0: 00000004 bea7a788 b6ecc94f b6e52c66 [ 132.763416] irq event stamp: 0 [ 132.766495] hardirqs last enabled at (0): [<00000000>] 0x0 [ 132.772088] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 132.779633] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 132.787193] softirqs last disabled at (0): [<00000000>] 0x0 [ 132.792825] ---[ end trace f564789ceb3242ba ]--- [ 132.797462] lkdtm: Zero detected: saturated # [ 132.481004] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO # [ 132.486808] lkdtm: attempting good refcount_dec() # [ 132.491550] lkdtm: attempting bad refcount_dec() to zero # [ 132.496951] ------------[ cut here ]------------ # [ 132.501607] WARNING: CPU: 1 PID: 2820 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 # [ 132.510119] refcount_t: decrement hit 0; leaking memory. # [ 132.515486] 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 etnaviv gpu_sched dw_hdmi_imx dw_hdmi imx_ldb parallel_display imxdrm imx_ipu_v3 # [ 132.544731] CPU: 1 PID: 2820 Comm: cat Tainted: G D W 5.10.138-cip15 #1 # [ 132.552484] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 132.559020] Backtrace: # [ 132.561502] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 132.569086] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f728 # [ 132.574766] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 132.582093] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 132.589069] r9:00000009 r8:c086d5d4 r7:0000001f r6:00000009 r5:c086d5d4 r4:c1a23e20 # [ 132.596828] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 132.604320] r7:0000001f r6:c1a23e20 r5:c1a23e84 r4:c61a0000 # [ 132.610000] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) # [ 132.618971] r9:c1acfa20 r8:c15e7df8 r7:c61a1f60 r6:00000012 r5:c5b3e000 r4:c61a0000 # [ 132.626734] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) # [ 132.636404] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_ZERO+0x5c/0xd8) # [ 132.646165] [] (lkdtm_REFCOUNT_DEC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 132.654956] r4:0000002f # [ 132.657508] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 132.665530] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 132.673459] r9:c61a1f60 r8:c533ff00 r7:00000012 r6:b6e17000 r5:c580ea00 r4:c0c2df60 # [ 132.681220] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 132.689063] r9:c07f52b4 r8:c61a1f60 r7:c2816000 r6:b6e17000 r5:c580ea00 r4:00000000 # [ 132.696819] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 132.703965] r10:00000004 r9:00000000 r8:00000000 r7:b6e17000 r6:c61a0000 r5:c580ea00 # [ 132.711801] r4:c580ea00 # [ 132.714349] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 132.721495] r9:c61a0000 r8:c03002e4 r7:00000004 r6:b6f5ee00 r5:00000012 r4:00000012 # [ 132.729255] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 132.736834] Exception stack(0xc61a1fa8 to 0xc61a1ff0) # [ 132.741899] 1fa0: 00000012 00000012 00000001 b6e17000 00000012 00000000 # [ 132.750089] 1fc0: 00000012 00000012 b6f5ee00 00000004 00000001 00000000 00020000 bea7aa54 # [ 132.758277] 1fe0: 00000004 bea7a788 b6ecc94f b6e52c66 # [ 132.763416] irq event stamp: 0 # [ 132.766495] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 132.772088] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 132.779633] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 132.787193] softirqs last disabled at (0): [<00000000>] 0x0 # [ 132.792825] ---[ end trace f564789ceb3242ba ]--- # [ 132.797462] 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 [ 133.324813] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE [ 133.330870] lkdtm: attempting bad refcount_dec() below zero [ 133.336535] ------------[ cut here ]------------ [ 133.341189] WARNING: CPU: 1 PID: 2857 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 [ 133.349679] refcount_t: decrement hit 0; leaking memory. [ 133.355072] 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 etnaviv gpu_sched dw_hdmi_imx dw_hdmi imx_ldb parallel_display imxdrm imx_ipu_v3 [ 133.384304] CPU: 1 PID: 2857 Comm: cat Tainted: G D W 5.10.138-cip15 #1 [ 133.392058] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 133.398593] Backtrace: [ 133.401075] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 133.408656] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f728 [ 133.414334] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 133.421663] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 133.428639] r9:00000009 r8:c086d5d4 r7:0000001f r6:00000009 r5:c086d5d4 r4:c1a23e20 [ 133.436396] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 133.443890] r7:0000001f r6:c1a23e20 r5:c1a23e84 r4:c60fa000 [ 133.449566] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) [ 133.458537] r9:c1acfa34 r8:c15e7df8 r7:c60fbf60 r6:00000016 r5:00000000 r4:c60fa000 [ 133.466300] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) [ 133.475968] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_NEGATIVE+0x48/0x70) [ 133.486077] [] (lkdtm_REFCOUNT_DEC_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) [ 133.495218] r5:c5b3c000 r4:00000030 [ 133.498811] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 133.506832] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 133.514760] r9:c60fbf60 r8:c533ff00 r7:00000016 r6:b6e17000 r5:c61c8500 r4:c0c2df60 [ 133.522522] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 133.530363] r9:c07f52b4 r8:c60fbf60 r7:c2816000 r6:b6e17000 r5:c61c8500 r4:00000000 [ 133.538120] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 133.545267] r10:00000004 r9:00000000 r8:00000000 r7:b6e17000 r6:c60fa000 r5:c61c8500 [ 133.553104] r4:c61c8500 [ 133.555651] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 133.562799] r9:c60fa000 r8:c03002e4 r7:00000004 r6:b6f5ee00 r5:00000016 r4:00000016 [ 133.570556] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 133.578135] Exception stack(0xc60fbfa8 to 0xc60fbff0) [ 133.583199] bfa0: 00000016 00000016 00000001 b6e17000 00000016 00000000 [ 133.591389] bfc0: 00000016 00000016 b6f5ee00 00000004 00000001 00000000 00020000 bef46a54 [ 133.599576] bfe0: 00000004 bef46788 b6ecc94f b6e52c66 [ 133.604718] irq event stamp: 0 [ 133.607799] hardirqs last enabled at (0): [<00000000>] 0x0 [ 133.613432] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 133.620936] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 133.628529] softirqs last disabled at (0): [<00000000>] 0x0 [ 133.634179] ---[ end trace f564789ceb3242bb ]--- [ 133.638816] lkdtm: Negative detected: saturated # [ 133.324813] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 133.330870] lkdtm: attempting bad refcount_dec() below zero # [ 133.336535] ------------[ cut here ]------------ # [ 133.341189] WARNING: CPU: 1 PID: 2857 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 # [ 133.349679] refcount_t: decrement hit 0; leaking memory. # [ 133.355072] 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 etnaviv gpu_sched dw_hdmi_imx dw_hdmi imx_ldb parallel_display imxdrm imx_ipu_v3 # [ 133.384304] CPU: 1 PID: 2857 Comm: cat Tainted: G D W 5.10.138-cip15 #1 # [ 133.392058] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 133.398593] Backtrace: # [ 133.401075] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 133.408656] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f728 # [ 133.414334] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 133.421663] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 133.428639] r9:00000009 r8:c086d5d4 r7:0000001f r6:00000009 r5:c086d5d4 r4:c1a23e20 # [ 133.436396] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 133.443890] r7:0000001f r6:c1a23e20 r5:c1a23e84 r4:c60fa000 # [ 133.449566] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) # [ 133.458537] r9:c1acfa34 r8:c15e7df8 r7:c60fbf60 r6:00000016 r5:00000000 r4:c60fa000 # [ 133.466300] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) # [ 133.475968] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_NEGATIVE+0x48/0x70) # [ 133.486077] [] (lkdtm_REFCOUNT_DEC_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 133.495218] r5:c5b3c000 r4:00000030 # [ 133.498811] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 133.506832] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 133.514760] r9:c60fbf60 r8:c533ff00 r7:00000016 r6:b6e17000 r5:c61c8500 r4:c0c2df60 # [ 133.522522] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 133.530363] r9:c07f52b4 r8:c60fbf60 r7:c2816000 r6:b6e17000 r5:c61c8500 r4:00000000 # [ 133.538120] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 133.545267] r10:00000004 r9:00000000 r8:00000000 r7:b6e17000 r6:c60fa000 r5:c61c8500 # [ 133.553104] r4:c61c8500 # [ 133.555651] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 133.562799] r9:c60fa000 r8:c03002e4 r7:00000004 r6:b6f5ee00 r5:00000016 r4:00000016 # [ 133.570556] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 133.578135] Exception stack(0xc60fbfa8 to 0xc60fbff0) # [ 133.583199] bfa0: 00000016 00000016 00000001 b6e17000 00000016 00000000 # [ 133.591389] bfc0: 00000016 00000016 b6f5ee00 00000004 00000001 00000000 00020000 bef46a54 # [ 133.599576] bfe0: 00000004 bef46788 b6ecc94f b6e52c66 # [ 133.604718] irq event stamp: 0 # [ 133.607799] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 133.613432] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 133.620936] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 133.628529] softirqs last disabled at (0): [<00000000>] 0x0 # [ 133.634179] ---[ end trace f564789ceb3242bb ]--- # [ 133.638816] 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 [ 134.199957] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE [ 134.206861] lkdtm: attempting bad refcount_dec_and_test() below zero [ 134.213298] ------------[ cut here ]------------ [ 134.217952] WARNING: CPU: 2 PID: 2892 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 [ 134.226541] refcount_t: underflow; use-after-free. [ 134.231347] 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 etnaviv gpu_sched dw_hdmi_imx dw_hdmi imx_ldb parallel_display imxdrm imx_ipu_v3 [ 134.260597] CPU: 2 PID: 2892 Comm: cat Tainted: G D W 5.10.138-cip15 #1 [ 134.268350] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 134.274886] Backtrace: [ 134.277367] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 134.284951] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f728 [ 134.290628] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 134.297957] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 134.304931] r9:00000009 r8:c086d6a4 r7:0000001c r6:00000009 r5:c086d6a4 r4:c1a23e20 [ 134.312690] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 134.320183] r7:0000001c r6:c1a23e20 r5:c1a23e5c r4:c6092000 [ 134.325861] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) [ 134.334922] r9:c1acfa4c r8:c15e7df8 r7:c6093f60 r6:0000001f r5:00000000 r4:c6092000 [ 134.342683] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) [ 134.353138] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x50/0x8c) [ 134.364809] [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) [ 134.374731] r5:c5c6d000 r4:00000031 [ 134.378323] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 134.386346] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 134.394275] r9:c6093f60 r8:c533ff00 r7:0000001f r6:b6df1000 r5:c5afd540 r4:c0c2df60 [ 134.402036] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 134.409879] r9:c07f52b4 r8:c6093f60 r7:c2816000 r6:b6df1000 r5:c5afd540 r4:00000000 [ 134.417635] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 134.424781] r10:00000004 r9:00000000 r8:00000000 r7:b6df1000 r6:c6092000 r5:c5afd540 [ 134.432617] r4:c5afd540 [ 134.435166] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 134.442312] r9:c6092000 r8:c03002e4 r7:00000004 r6:b6f38e00 r5:0000001f r4:0000001f [ 134.450072] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 134.457650] Exception stack(0xc6093fa8 to 0xc6093ff0) [ 134.462714] 3fa0: 0000001f 0000001f 00000001 b6df1000 0000001f 00000000 [ 134.470904] 3fc0: 0000001f 0000001f b6f38e00 00000004 00000001 00000000 00020000 bec30a54 [ 134.479090] 3fe0: 00000004 bec30788 b6ea694f b6e2cc66 [ 134.484219] irq event stamp: 0 [ 134.487296] hardirqs last enabled at (0): [<00000000>] 0x0 [ 134.492922] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 134.500443] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 134.508026] softirqs last disabled at (0): [<00000000>] 0x0 [ 134.513671] ---[ end trace f564789ceb3242bc ]--- [ 134.518308] lkdtm: Negative detected: saturated # [ 134.199957] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 134.206861] lkdtm: attempting bad refcount_dec_and_test() below zero # [ 134.213298] ------------[ cut here ]------------ # [ 134.217952] WARNING: CPU: 2 PID: 2892 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 134.226541] refcount_t: underflow; use-after-free. # [ 134.231347] 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 etnaviv gpu_sched dw_hdmi_imx dw_hdmi imx_ldb parallel_display imxdrm imx_ipu_v3 # [ 134.260597] CPU: 2 PID: 2892 Comm: cat Tainted: G D W 5.10.138-cip15 #1 # [ 134.268350] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 134.274886] Backtrace: # [ 134.277367] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 134.284951] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f728 # [ 134.290628] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 134.297957] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 134.304931] r9:00000009 r8:c086d6a4 r7:0000001c r6:00000009 r5:c086d6a4 r4:c1a23e20 # [ 134.312690] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 134.320183] r7:0000001c r6:c1a23e20 r5:c1a23e5c r4:c6092000 # [ 134.325861] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 134.334922] r9:c1acfa4c r8:c15e7df8 r7:c6093f60 r6:0000001f r5:00000000 r4:c6092000 # [ 134.342683] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 134.353138] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x50/0x8c) # [ 134.364809] [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 134.374731] r5:c5c6d000 r4:00000031 # [ 134.378323] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 134.386346] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 134.394275] r9:c6093f60 r8:c533ff00 r7:0000001f r6:b6df1000 r5:c5afd540 r4:c0c2df60 # [ 134.402036] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 134.409879] r9:c07f52b4 r8:c6093f60 r7:c2816000 r6:b6df1000 r5:c5afd540 r4:00000000 # [ 134.417635] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 134.424781] r10:00000004 r9:00000000 r8:00000000 r7:b6df1000 r6:c6092000 r5:c5afd540 # [ 134.432617] r4:c5afd540 # [ 134.435166] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 134.442312] r9:c6092000 r8:c03002e4 r7:00000004 r6:b6f38e00 r5:0000001f r4:0000001f # [ 134.450072] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 134.457650] Exception stack(0xc6093fa8 to 0xc6093ff0) # [ 134.462714] 3fa0: 0000001f 0000001f 00000001 b6df1000 0000001f 00000000 # [ 134.470904] 3fc0: 0000001f 0000001f b6f38e00 00000004 00000001 00000000 00020000 bec30a54 # [ 134.479090] 3fe0: 00000004 bec30788 b6ea694f b6e2cc66 # [ 134.484219] irq event stamp: 0 # [ 134.487296] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 134.492922] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 134.500443] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 134.508026] softirqs last disabled at (0): [<00000000>] 0x0 # [ 134.513671] ---[ end trace f564789ceb3242bc ]--- # [ 134.518308] 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 [ 135.084353] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE [ 135.091167] lkdtm: attempting bad refcount_sub_and_test() below zero [ 135.097597] ------------[ cut here ]------------ [ 135.102288] WARNING: CPU: 1 PID: 2927 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 [ 135.110828] refcount_t: underflow; use-after-free. [ 135.115688] 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 etnaviv gpu_sched dw_hdmi_imx dw_hdmi imx_ldb parallel_display imxdrm imx_ipu_v3 [ 135.144906] CPU: 1 PID: 2927 Comm: cat Tainted: G D W 5.10.138-cip15 #1 [ 135.152659] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 135.159194] Backtrace: [ 135.161676] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 135.169259] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f728 [ 135.174938] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 135.182268] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 135.189242] r9:00000009 r8:c086d6a4 r7:0000001c r6:00000009 r5:c086d6a4 r4:c1a23e20 [ 135.196998] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 135.204492] r7:0000001c r6:c1a23e20 r5:c1a23e5c r4:c60fa000 [ 135.210171] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) [ 135.219228] r9:c1acfa6c r8:c15e7df8 r7:c60fbf60 r6:0000001f r5:c5b3c000 r4:c60fa000 [ 135.226990] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) [ 135.237445] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x50/0x8c) [ 135.249115] [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) [ 135.259035] r4:00000032 [ 135.261585] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 135.269607] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 135.277536] r9:c60fbf60 r8:c533ff00 r7:0000001f r6:b6dda000 r5:c5ac4f00 r4:c0c2df60 [ 135.285297] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 135.293138] r9:c07f52b4 r8:c60fbf60 r7:c2816000 r6:b6dda000 r5:c5ac4f00 r4:00000000 [ 135.300894] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 135.308043] r10:00000004 r9:00000000 r8:00000000 r7:b6dda000 r6:c60fa000 r5:c5ac4f00 [ 135.315879] r4:c5ac4f00 [ 135.318427] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 135.325573] r9:c60fa000 r8:c03002e4 r7:00000004 r6:b6f21e00 r5:0000001f r4:0000001f [ 135.333334] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 135.340910] Exception stack(0xc60fbfa8 to 0xc60fbff0) [ 135.345975] bfa0: 0000001f 0000001f 00000001 b6dda000 0000001f 00000000 [ 135.354165] bfc0: 0000001f 0000001f b6f21e00 00000004 00000001 00000000 00020000 be99fa54 [ 135.362352] bfe0: 00000004 be99f788 b6e8f94f b6e15c66 [ 135.367500] irq event stamp: 0 [ 135.370577] hardirqs last enabled at (0): [<00000000>] 0x0 [ 135.376206] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 135.383742] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 135.391281] softirqs last disabled at (0): [<00000000>] 0x0 [ 135.396927] ---[ end trace f564789ceb3242bd ]--- [ 135.401565] lkdtm: Negative detected: saturated # [ 135.084353] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 135.091167] lkdtm: attempting bad refcount_sub_and_test() below zero # [ 135.097597] ------------[ cut here ]------------ # [ 135.102288] WARNING: CPU: 1 PID: 2927 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 135.110828] refcount_t: underflow; use-after-free. # [ 135.115688] 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 etnaviv gpu_sched dw_hdmi_imx dw_hdmi imx_ldb parallel_display imxdrm imx_ipu_v3 # [ 135.144906] CPU: 1 PID: 2927 Comm: cat Tainted: G D W 5.10.138-cip15 #1 # [ 135.152659] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 135.159194] Backtrace: # [ 135.161676] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 135.169259] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f728 # [ 135.174938] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 135.182268] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 135.189242] r9:00000009 r8:c086d6a4 r7:0000001c r6:00000009 r5:c086d6a4 r4:c1a23e20 # [ 135.196998] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 135.204492] r7:0000001c r6:c1a23e20 r5:c1a23e5c r4:c60fa000 # [ 135.210171] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 135.219228] r9:c1acfa6c r8:c15e7df8 r7:c60fbf60 r6:0000001f r5:c5b3c000 r4:c60fa000 # [ 135.226990] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 135.237445] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x50/0x8c) # [ 135.249115] [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 135.259035] r4:00000032 # [ 135.261585] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 135.269607] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 135.277536] r9:c60fbf60 r8:c533ff00 r7:0000001f r6:b6dda000 r5:c5ac4f00 r4:c0c2df60 # [ 135.285297] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 135.293138] r9:c07f52b4 r8:c60fbf60 r7:c2816000 r6:b6dda000 r5:c5ac4f00 r4:00000000 # [ 135.300894] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 135.308043] r10:00000004 r9:00000000 r8:00000000 r7:b6dda000 r6:c60fa000 r5:c5ac4f00 # [ 135.315879] r4:c5ac4f00 # [ 135.318427] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 135.325573] r9:c60fa000 r8:c03002e4 r7:00000004 r6:b6f21e00 r5:0000001f r4:0000001f # [ 135.333334] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 135.340910] Exception stack(0xc60fbfa8 to 0xc60fbff0) # [ 135.345975] bfa0: 0000001f 0000001f 00000001 b6dda000 0000001f 00000000 # [ 135.354165] bfc0: 0000001f 0000001f b6f21e00 00000004 00000001 00000000 00020000 be99fa54 # [ 135.362352] bfe0: 00000004 be99f788 b6e8f94f b6e15c66 # [ 135.367500] irq event stamp: 0 # [ 135.370577] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 135.376206] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 135.383742] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 135.391281] softirqs last disabled at (0): [<00000000>] 0x0 # [ 135.396927] ---[ end trace f564789ceb3242bd ]--- # [ 135.401565] 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 [ 135.948955] lkdtm: Performing direct entry REFCOUNT_INC_ZERO [ 135.954691] lkdtm: attempting safe refcount_inc_not_zero() from zero [ 135.961059] lkdtm: Good: zero detected [ 135.964859] lkdtm: Correctly stayed at zero [ 135.969057] lkdtm: attempting bad refcount_inc() from zero [ 135.974614] ------------[ cut here ]------------ [ 135.979268] WARNING: CPU: 3 PID: 2959 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 [ 135.987845] refcount_t: addition on 0; use-after-free. [ 135.993048] 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 etnaviv gpu_sched dw_hdmi_imx dw_hdmi imx_ldb parallel_display imxdrm imx_ipu_v3 [ 136.022279] CPU: 3 PID: 2959 Comm: cat Tainted: G D W 5.10.138-cip15 #1 [ 136.030033] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 136.036568] Backtrace: [ 136.039049] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 136.046631] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f728 [ 136.052310] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 136.059638] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 136.066614] r9:00000009 r8:c086d670 r7:00000019 r6:00000009 r5:c086d670 r4:c1a23e20 [ 136.074371] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 136.081866] r7:00000019 r6:c1a23e20 r5:c1a23e30 r4:c63d0000 [ 136.087543] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) [ 136.096601] r9:c1acfa8c r8:c15e7df8 r7:c63d1f60 r6:00000012 r5:00000000 r4:c63d0000 [ 136.104362] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) [ 136.114036] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_ZERO+0xa8/0xcc) [ 136.123797] [] (lkdtm_REFCOUNT_INC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) [ 136.132592] r5:c6154000 r4:00000033 [ 136.136185] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 136.144209] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 136.152138] r9:c63d1f60 r8:c533ff00 r7:00000012 r6:b6dbe000 r5:c580c000 r4:c0c2df60 [ 136.159899] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 136.167741] r9:c07f52b4 r8:c63d1f60 r7:c2816000 r6:b6dbe000 r5:c580c000 r4:00000000 [ 136.175496] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 136.182644] r10:00000004 r9:00000000 r8:00000000 r7:b6dbe000 r6:c63d0000 r5:c580c000 [ 136.190480] r4:c580c000 [ 136.193028] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 136.200175] r9:c63d0000 r8:c03002e4 r7:00000004 r6:b6f05e00 r5:00000012 r4:00000012 [ 136.207934] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 136.215511] Exception stack(0xc63d1fa8 to 0xc63d1ff0) [ 136.220575] 1fa0: 00000012 00000012 00000001 b6dbe000 00000012 00000000 [ 136.228765] 1fc0: 00000012 00000012 b6f05e00 00000004 00000001 00000000 00020000 bed20a54 [ 136.236952] 1fe0: 00000004 bed20788 b6e7394f b6df9c66 [ 136.242080] irq event stamp: 0 [ 136.245190] hardirqs last enabled at (0): [<00000000>] 0x0 [ 136.250785] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 136.258327] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 136.265877] softirqs last disabled at (0): [<00000000>] 0x0 [ 136.271468] ---[ end trace f564789ceb3242be ]--- [ 136.276150] lkdtm: Zero detected: saturated # [ 135.948955] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 135.954691] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 135.961059] lkdtm: Good: zero detected # [ 135.964859] lkdtm: Correctly stayed at zero # [ 135.969057] lkdtm: attempting bad refcount_inc() from zero # [ 135.974614] ------------[ cut here ]------------ # [ 135.979268] WARNING: CPU: 3 PID: 2959 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 # [ 135.987845] refcount_t: addition on 0; use-after-free. # [ 135.993048] 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 etnaviv gpu_sched dw_hdmi_imx dw_hdmi imx_ldb parallel_display imxdrm imx_ipu_v3 # [ 136.022279] CPU: 3 PID: 2959 Comm: cat Tainted: G D W 5.10.138-cip15 #1 # [ 136.030033] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 136.036568] Backtrace: # [ 136.039049] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 136.046631] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f728 # [ 136.052310] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 136.059638] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 136.066614] r9:00000009 r8:c086d670 r7:00000019 r6:00000009 r5:c086d670 r4:c1a23e20 # [ 136.074371] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 136.081866] r7:00000019 r6:c1a23e20 r5:c1a23e30 r4:c63d0000 # [ 136.087543] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) # [ 136.096601] r9:c1acfa8c r8:c15e7df8 r7:c63d1f60 r6:00000012 r5:00000000 r4:c63d0000 # [ 136.104362] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) # [ 136.114036] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_ZERO+0xa8/0xcc) # [ 136.123797] [] (lkdtm_REFCOUNT_INC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 136.132592] r5:c6154000 r4:00000033 # [ 136.136185] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 136.144209] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 136.152138] r9:c63d1f60 r8:c533ff00 r7:00000012 r6:b6dbe000 r5:c580c000 r4:c0c2df60 # [ 136.159899] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 136.167741] r9:c07f52b4 r8:c63d1f60 r7:c2816000 r6:b6dbe000 r5:c580c000 r4:00000000 # [ 136.175496] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 136.182644] r10:00000004 r9:00000000 r8:00000000 r7:b6dbe000 r6:c63d0000 r5:c580c000 # [ 136.190480] r4:c580c000 # [ 136.193028] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 136.200175] r9:c63d0000 r8:c03002e4 r7:00000004 r6:b6f05e00 r5:00000012 r4:00000012 # [ 136.207934] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 136.215511] Exception stack(0xc63d1fa8 to 0xc63d1ff0) # [ 136.220575] 1fa0: 00000012 00000012 00000001 b6dbe000 00000012 00000000 # [ 136.228765] 1fc0: 00000012 00000012 b6f05e00 00000004 00000001 00000000 00020000 bed20a54 # [ 136.236952] 1fe0: 00000004 bed20788 b6e7394f b6df9c66 # [ 136.242080] irq event stamp: 0 # [ 136.245190] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 136.250785] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 136.258327] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 136.265877] softirqs last disabled at (0): [<00000000>] 0x0 # [ 136.271468] ---[ end trace f564789ceb3242be ]--- # [ 136.276150] 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 [ 136.834386] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO [ 136.840097] lkdtm: attempting safe refcount_add_not_zero() from zero [ 136.846637] lkdtm: Good: zero detected [ 136.850423] lkdtm: Correctly stayed at zero [ 136.854699] lkdtm: attempting bad refcount_add() from zero [ 136.860203] ------------[ cut here ]------------ [ 136.864895] WARNING: CPU: 2 PID: 2993 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 [ 136.873496] refcount_t: addition on 0; use-after-free. [ 136.878650] 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 etnaviv gpu_sched dw_hdmi_imx dw_hdmi imx_ldb parallel_display imxdrm imx_ipu_v3 [ 136.907882] CPU: 2 PID: 2993 Comm: cat Tainted: G D W 5.10.138-cip15 #1 [ 136.915634] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 136.922169] Backtrace: [ 136.924649] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 136.932232] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f728 [ 136.937910] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 136.945240] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 136.952216] r9:00000009 r8:c086d670 r7:00000019 r6:00000009 r5:c086d670 r4:c1a23e20 [ 136.959976] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 136.967469] r7:00000019 r6:c1a23e20 r5:c1a23e30 r4:c63e6000 [ 136.973147] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) [ 136.982205] r9:c1acfaa0 r8:c15e7df8 r7:c63e7f60 r6:00000012 r5:00000000 r4:c63e6000 [ 136.989967] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) [ 136.999641] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_ZERO+0xa8/0xcc) [ 137.009400] [] (lkdtm_REFCOUNT_ADD_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) [ 137.018192] r5:c5c6d000 r4:00000034 [ 137.021785] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 137.029809] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 137.037738] r9:c63e7f60 r8:c533ff00 r7:00000012 r6:b6ddf000 r5:c5afd540 r4:c0c2df60 [ 137.045499] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 137.053341] r9:c07f52b4 r8:c63e7f60 r7:c2816000 r6:b6ddf000 r5:c5afd540 r4:00000000 [ 137.061097] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 137.068244] r10:00000004 r9:00000000 r8:00000000 r7:b6ddf000 r6:c63e6000 r5:c5afd540 [ 137.076080] r4:c5afd540 [ 137.078629] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 137.085779] r9:c63e6000 r8:c03002e4 r7:00000004 r6:b6f26e00 r5:00000012 r4:00000012 [ 137.093539] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 137.101116] Exception stack(0xc63e7fa8 to 0xc63e7ff0) [ 137.106180] 7fa0: 00000012 00000012 00000001 b6ddf000 00000012 00000000 [ 137.114370] 7fc0: 00000012 00000012 b6f26e00 00000004 00000001 00000000 00020000 becb3a54 [ 137.122556] 7fe0: 00000004 becb3788 b6e9494f b6e1ac66 [ 137.127696] irq event stamp: 0 [ 137.130775] hardirqs last enabled at (0): [<00000000>] 0x0 [ 137.136413] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 137.143963] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 137.151493] softirqs last disabled at (0): [<00000000>] 0x0 [ 137.157169] ---[ end trace f564789ceb3242bf ]--- [ 137.161811] lkdtm: Zero detected: saturated # [ 136.834386] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 136.840097] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 136.846637] lkdtm: Good: zero detected # [ 136.850423] lkdtm: Correctly stayed at zero # [ 136.854699] lkdtm: attempting bad refcount_add() from zero # [ 136.860203] ------------[ cut here ]------------ # [ 136.864895] WARNING: CPU: 2 PID: 2993 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 # [ 136.873496] refcount_t: addition on 0; use-after-free. # [ 136.878650] 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 etnaviv gpu_sched dw_hdmi_imx dw_hdmi imx_ldb parallel_display imxdrm imx_ipu_v3 # [ 136.907882] CPU: 2 PID: 2993 Comm: cat Tainted: G D W 5.10.138-cip15 #1 # [ 136.915634] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 136.922169] Backtrace: # [ 136.924649] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 136.932232] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f728 # [ 136.937910] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 136.945240] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 136.952216] r9:00000009 r8:c086d670 r7:00000019 r6:00000009 r5:c086d670 r4:c1a23e20 # [ 136.959976] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 136.967469] r7:00000019 r6:c1a23e20 r5:c1a23e30 r4:c63e6000 # [ 136.973147] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) # [ 136.982205] r9:c1acfaa0 r8:c15e7df8 r7:c63e7f60 r6:00000012 r5:00000000 r4:c63e6000 # [ 136.989967] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) # [ 136.999641] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_ZERO+0xa8/0xcc) # [ 137.009400] [] (lkdtm_REFCOUNT_ADD_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 137.018192] r5:c5c6d000 r4:00000034 # [ 137.021785] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 137.029809] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 137.037738] r9:c63e7f60 r8:c533ff00 r7:00000012 r6:b6ddf000 r5:c5afd540 r4:c0c2df60 # [ 137.045499] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 137.053341] r9:c07f52b4 r8:c63e7f60 r7:c2816000 r6:b6ddf000 r5:c5afd540 r4:00000000 # [ 137.061097] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 137.068244] r10:00000004 r9:00000000 r8:00000000 r7:b6ddf000 r6:c63e6000 r5:c5afd540 # [ 137.076080] r4:c5afd540 # [ 137.078629] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 137.085779] r9:c63e6000 r8:c03002e4 r7:00000004 r6:b6f26e00 r5:00000012 r4:00000012 # [ 137.093539] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 137.101116] Exception stack(0xc63e7fa8 to 0xc63e7ff0) # [ 137.106180] 7fa0: 00000012 00000012 00000001 b6ddf000 00000012 00000000 # [ 137.114370] 7fc0: 00000012 00000012 b6f26e00 00000004 00000001 00000000 00020000 becb3a54 # [ 137.122556] 7fe0: 00000004 becb3788 b6e9494f b6e1ac66 # [ 137.127696] irq event stamp: 0 # [ 137.130775] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 137.136413] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 137.143963] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 137.151493] softirqs last disabled at (0): [<00000000>] 0x0 # [ 137.157169] ---[ end trace f564789ceb3242bf ]--- # [ 137.161811] 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 [ 137.728423] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED [ 137.734663] lkdtm: attempting bad refcount_inc() from saturated [ 137.740623] ------------[ cut here ]------------ [ 137.745335] WARNING: CPU: 2 PID: 3030 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 [ 137.753847] refcount_t: saturated; leaking memory. [ 137.758653] 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 etnaviv gpu_sched dw_hdmi_imx dw_hdmi imx_ldb parallel_display imxdrm imx_ipu_v3 [ 137.787879] CPU: 2 PID: 3030 Comm: cat Tainted: G D W 5.10.138-cip15 #1 [ 137.795631] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 137.802168] Backtrace: [ 137.804653] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 137.812235] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f728 [ 137.817912] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 137.825240] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 137.832215] r9:00000009 r8:c086d63c r7:00000016 r6:00000009 r5:c086d63c r4:c1a23e20 [ 137.839974] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 137.847466] r7:00000016 r6:c1a23e20 r5:c1a23df8 r4:c6112000 [ 137.853143] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) [ 137.862114] r9:c1acfab4 r8:c15e7df8 r7:c6113f60 r6:00000017 r5:c5d8c000 r4:c6112000 [ 137.869874] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) [ 137.879546] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_SATURATED+0x4c/0x70) [ 137.889742] [] (lkdtm_REFCOUNT_INC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) [ 137.898968] r4:00000035 [ 137.901520] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 137.909543] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 137.917472] r9:c6113f60 r8:c533ff00 r7:00000017 r6:b6de0000 r5:c580cb40 r4:c0c2df60 [ 137.925233] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 137.933075] r9:c07f52b4 r8:c6113f60 r7:c2816000 r6:b6de0000 r5:c580cb40 r4:00000000 [ 137.940830] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 137.947978] r10:00000004 r9:00000000 r8:00000000 r7:b6de0000 r6:c6112000 r5:c580cb40 [ 137.955813] r4:c580cb40 [ 137.958361] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 137.965508] r9:c6112000 r8:c03002e4 r7:00000004 r6:b6f27e00 r5:00000017 r4:00000017 [ 137.973266] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 137.980843] Exception stack(0xc6113fa8 to 0xc6113ff0) [ 137.985908] 3fa0: 00000017 00000017 00000001 b6de0000 00000017 00000000 [ 137.994097] 3fc0: 00000017 00000017 b6f27e00 00000004 00000001 00000000 00020000 beb13a54 [ 138.002284] 3fe0: 00000004 beb13788 b6e9594f b6e1bc66 [ 138.007445] irq event stamp: 0 [ 138.010523] hardirqs last enabled at (0): [<00000000>] 0x0 [ 138.016154] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 138.023699] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 138.031209] softirqs last disabled at (0): [<00000000>] 0x0 [ 138.036851] ---[ end trace f564789ceb3242c0 ]--- [ 138.041496] lkdtm: Saturation detected: still saturated # [ 137.728423] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 137.734663] lkdtm: attempting bad refcount_inc() from saturated # [ 137.740623] ------------[ cut here ]------------ # [ 137.745335] WARNING: CPU: 2 PID: 3030 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 137.753847] refcount_t: saturated; leaking memory. # [ 137.758653] 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 etnaviv gpu_sched dw_hdmi_imx dw_hdmi imx_ldb parallel_display imxdrm imx_ipu_v3 # [ 137.787879] CPU: 2 PID: 3030 Comm: cat Tainted: G D W 5.10.138-cip15 #1 # [ 137.795631] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 137.802168] Backtrace: # [ 137.804653] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 137.812235] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f728 # [ 137.817912] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 137.825240] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 137.832215] r9:00000009 r8:c086d63c r7:00000016 r6:00000009 r5:c086d63c r4:c1a23e20 # [ 137.839974] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 137.847466] r7:00000016 r6:c1a23e20 r5:c1a23df8 r4:c6112000 # [ 137.853143] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 137.862114] r9:c1acfab4 r8:c15e7df8 r7:c6113f60 r6:00000017 r5:c5d8c000 r4:c6112000 # [ 137.869874] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 137.879546] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_SATURATED+0x4c/0x70) # [ 137.889742] [] (lkdtm_REFCOUNT_INC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 137.898968] r4:00000035 # [ 137.901520] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 137.909543] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 137.917472] r9:c6113f60 r8:c533ff00 r7:00000017 r6:b6de0000 r5:c580cb40 r4:c0c2df60 # [ 137.925233] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 137.933075] r9:c07f52b4 r8:c6113f60 r7:c2816000 r6:b6de0000 r5:c580cb40 r4:00000000 # [ 137.940830] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 137.947978] r10:00000004 r9:00000000 r8:00000000 r7:b6de0000 r6:c6112000 r5:c580cb40 # [ 137.955813] r4:c580cb40 # [ 137.958361] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 137.965508] r9:c6112000 r8:c03002e4 r7:00000004 r6:b6f27e00 r5:00000017 r4:00000017 # [ 137.973266] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 137.980843] Exception stack(0xc6113fa8 to 0xc6113ff0) # [ 137.985908] 3fa0: 00000017 00000017 00000001 b6de0000 00000017 00000000 # [ 137.994097] 3fc0: 00000017 00000017 b6f27e00 00000004 00000001 00000000 00020000 beb13a54 # [ 138.002284] 3fe0: 00000004 beb13788 b6e9594f b6e1bc66 # [ 138.007445] irq event stamp: 0 # [ 138.010523] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 138.016154] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 138.023699] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 138.031209] softirqs last disabled at (0): [<00000000>] 0x0 # [ 138.036851] ---[ end trace f564789ceb3242c0 ]--- # [ 138.041496] 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 [ 138.627367] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED [ 138.633569] lkdtm: attempting bad refcount_dec() from saturated [ 138.640604] ------------[ cut here ]------------ [ 138.645354] WARNING: CPU: 0 PID: 3065 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 [ 138.653871] refcount_t: decrement hit 0; leaking memory. [ 138.659199] 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 etnaviv gpu_sched dw_hdmi_imx dw_hdmi imx_ldb parallel_display imxdrm imx_ipu_v3 [ 138.688435] CPU: 0 PID: 3065 Comm: cat Tainted: G D W 5.10.138-cip15 #1 [ 138.696188] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 138.702723] Backtrace: [ 138.705204] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 138.712788] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f728 [ 138.718466] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 138.725795] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 138.732771] r9:00000009 r8:c086d5d4 r7:0000001f r6:00000009 r5:c086d5d4 r4:c1a23e20 [ 138.740528] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 138.748021] r7:0000001f r6:c1a23e20 r5:c1a23e84 r4:c5acc000 [ 138.753699] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) [ 138.762669] r9:c1acfacc r8:c15e7df8 r7:c5acdf60 r6:00000017 r5:c64db000 r4:c5acc000 [ 138.770431] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) [ 138.780100] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_SATURATED+0x48/0x6c) [ 138.790297] [] (lkdtm_REFCOUNT_DEC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) [ 138.799524] r4:00000036 [ 138.802076] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 138.810099] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 138.818028] r9:c5acdf60 r8:c533ff00 r7:00000017 r6:b6e2e000 r5:c6060dc0 r4:c0c2df60 [ 138.825791] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 138.833633] r9:c07f52b4 r8:c5acdf60 r7:c2816000 r6:b6e2e000 r5:c6060dc0 r4:00000000 [ 138.841390] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 138.848539] r10:00000004 r9:00000000 r8:00000000 r7:b6e2e000 r6:c5acc000 r5:c6060dc0 [ 138.856374] r4:c6060dc0 [ 138.858922] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 138.866069] r9:c5acc000 r8:c03002e4 r7:00000004 r6:b6f75e00 r5:00000017 r4:00000017 [ 138.873830] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 138.881407] Exception stack(0xc5acdfa8 to 0xc5acdff0) [ 138.886470] dfa0: 00000017 00000017 00000001 b6e2e000 00000017 00000000 [ 138.894661] dfc0: 00000017 00000017 b6f75e00 00000004 00000001 00000000 00020000 bedfca54 [ 138.902847] dfe0: 00000004 bedfc788 b6ee394f b6e69c66 [ 138.907952] irq event stamp: 0 [ 138.911032] hardirqs last enabled at (0): [<00000000>] 0x0 [ 138.916660] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 138.924213] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 138.931718] softirqs last disabled at (0): [<00000000>] 0x0 [ 138.937351] ---[ end trace f564789ceb3242c1 ]--- [ 138.941988] lkdtm: Saturation detected: still saturated # [ 138.627367] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 138.633569] lkdtm: attempting bad refcount_dec() from saturated # [ 138.640604] ------------[ cut here ]------------ # [ 138.645354] WARNING: CPU: 0 PID: 3065 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 # [ 138.653871] refcount_t: decrement hit 0; leaking memory. # [ 138.659199] 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 etnaviv gpu_sched dw_hdmi_imx dw_hdmi imx_ldb parallel_display imxdrm imx_ipu_v3 # [ 138.688435] CPU: 0 PID: 3065 Comm: cat Tainted: G D W 5.10.138-cip15 #1 # [ 138.696188] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 138.702723] Backtrace: # [ 138.705204] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 138.712788] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f728 # [ 138.718466] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 138.725795] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 138.732771] r9:00000009 r8:c086d5d4 r7:0000001f r6:00000009 r5:c086d5d4 r4:c1a23e20 # [ 138.740528] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 138.748021] r7:0000001f r6:c1a23e20 r5:c1a23e84 r4:c5acc000 # [ 138.753699] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) # [ 138.762669] r9:c1acfacc r8:c15e7df8 r7:c5acdf60 r6:00000017 r5:c64db000 r4:c5acc000 # [ 138.770431] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) # [ 138.780100] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_SATURATED+0x48/0x6c) # [ 138.790297] [] (lkdtm_REFCOUNT_DEC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 138.799524] r4:00000036 # [ 138.802076] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 138.810099] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 138.818028] r9:c5acdf60 r8:c533ff00 r7:00000017 r6:b6e2e000 r5:c6060dc0 r4:c0c2df60 # [ 138.825791] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 138.833633] r9:c07f52b4 r8:c5acdf60 r7:c2816000 r6:b6e2e000 r5:c6060dc0 r4:00000000 # [ 138.841390] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 138.848539] r10:00000004 r9:00000000 r8:00000000 r7:b6e2e000 r6:c5acc000 r5:c6060dc0 # [ 138.856374] r4:c6060dc0 # [ 138.858922] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 138.866069] r9:c5acc000 r8:c03002e4 r7:00000004 r6:b6f75e00 r5:00000017 r4:00000017 # [ 138.873830] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 138.881407] Exception stack(0xc5acdfa8 to 0xc5acdff0) # [ 138.886470] dfa0: 00000017 00000017 00000001 b6e2e000 00000017 00000000 # [ 138.894661] dfc0: 00000017 00000017 b6f75e00 00000004 00000001 00000000 00020000 bedfca54 # [ 138.902847] dfe0: 00000004 bedfc788 b6ee394f b6e69c66 # [ 138.907952] irq event stamp: 0 # [ 138.911032] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 138.916660] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 138.924213] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 138.931718] softirqs last disabled at (0): [<00000000>] 0x0 # [ 138.937351] ---[ end trace f564789ceb3242c1 ]--- # [ 138.941988] 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 [ 139.543759] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED [ 139.549879] lkdtm: attempting bad refcount_dec() from saturated [ 139.555889] ------------[ cut here ]------------ [ 139.560544] WARNING: CPU: 1 PID: 3100 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 [ 139.569035] refcount_t: saturated; leaking memory. [ 139.573891] 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 etnaviv gpu_sched dw_hdmi_imx dw_hdmi imx_ldb parallel_display imxdrm imx_ipu_v3 [ 139.603148] CPU: 1 PID: 3100 Comm: cat Tainted: G D W 5.10.138-cip15 #1 [ 139.610901] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 139.617436] Backtrace: [ 139.619920] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 139.627504] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f728 [ 139.633183] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 139.640511] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 139.647486] r9:00000009 r8:c086d63c r7:00000016 r6:00000009 r5:c086d63c r4:c1a23e20 [ 139.655243] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 139.662735] r7:00000016 r6:c1a23e20 r5:c1a23df8 r4:c61cc000 [ 139.668412] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) [ 139.677385] r9:c1acfae4 r8:c15e7df8 r7:c61cdf60 r6:00000017 r5:c2b3b000 r4:c61cc000 [ 139.685145] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) [ 139.694817] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_SATURATED+0x4c/0x70) [ 139.705012] [] (lkdtm_REFCOUNT_ADD_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) [ 139.714237] r4:00000037 [ 139.716787] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 139.724811] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 139.732740] r9:c61cdf60 r8:c533ff00 r7:00000017 r6:b6e31000 r5:c5ac4140 r4:c0c2df60 [ 139.740502] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 139.748343] r9:c07f52b4 r8:c61cdf60 r7:c2816000 r6:b6e31000 r5:c5ac4140 r4:00000000 [ 139.756099] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 139.763246] r10:00000004 r9:00000000 r8:00000000 r7:b6e31000 r6:c61cc000 r5:c5ac4140 [ 139.771081] r4:c5ac4140 [ 139.773628] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 139.780775] r9:c61cc000 r8:c03002e4 r7:00000004 r6:b6f78e00 r5:00000017 r4:00000017 [ 139.788533] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 139.796110] Exception stack(0xc61cdfa8 to 0xc61cdff0) [ 139.801174] dfa0: 00000017 00000017 00000001 b6e31000 00000017 00000000 [ 139.809364] dfc0: 00000017 00000017 b6f78e00 00000004 00000001 00000000 00020000 bed09a54 [ 139.817551] dfe0: 00000004 bed09788 b6ee694f b6e6cc66 [ 139.822691] irq event stamp: 0 [ 139.825770] hardirqs last enabled at (0): [<00000000>] 0x0 [ 139.831364] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 139.838917] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 139.846474] softirqs last disabled at (0): [<00000000>] 0x0 [ 139.852068] ---[ end trace f564789ceb3242c2 ]--- [ 139.856746] lkdtm: Saturation detected: still saturated # [ 0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache # [ 139.543759] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 139.549879] lkdtm: attempting bad refcount_dec() from saturated # [ 139.555889] ------------[ cut here ]------------ # [ 139.560544] WARNING: CPU: 1 PID: 3100 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 139.569035] refcount_t: saturated; leaking memory. # [ 139.573891] 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 etnaviv gpu_sched dw_hdmi_imx dw_hdmi imx_ldb parallel_display imxdrm imx_ipu_v3 # [ 139.603148] CPU: 1 PID: 3100 Comm: cat Tainted: G D W 5.10.138-cip15 #1 # [ 139.610901] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 139.617436] Backtrace: # [ 139.619920] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 139.627504] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f728 # [ 139.633183] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 139.640511] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 139.647486] r9:00000009 r8:c086d63c r7:00000016 r6:00000009 r5:c086d63c r4:c1a23e20 # [ 139.655243] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 139.662735] r7:00000016 r6:c1a23e20 r5:c1a23df8 r4:c61cc000 # [ 139.668412] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 139.677385] r9:c1acfae4 r8:c15e7df8 r7:c61cdf60 r6:00000017 r5:c2b3b000 r4:c61cc000 # [ 139.685145] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 139.694817] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_SATURATED+0x4c/0x70) # [ 139.705012] [] (lkdtm_REFCOUNT_ADD_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 139.714237] r4:00000037 # [ 139.716787] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 139.724811] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 139.732740] r9:c61cdf60 r8:c533ff00 r7:00000017 r6:b6e31000 r5:c5ac4140 r4:c0c2df60 # [ 139.740502] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 139.748343] r9:c07f52b4 r8:c61cdf60 r7:c2816000 r6:b6e31000 r5:c5ac4140 r4:00000000 # [ 139.756099] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 139.763246] r10:00000004 r9:00000000 r8:00000000 r7:b6e31000 r6:c61cc000 r5:c5ac4140 # [ 139.771081] r4:c5ac4140 # [ 139.773628] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 139.780775] r9:c61cc000 r8:c03002e4 r7:00000004 r6:b6f78e00 r5:00000017 r4:00000017 # [ 139.788533] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 139.796110] Exception stack(0xc61cdfa8 to 0xc61cdff0) # [ 139.801174] dfa0: 00000017 00000017 00000001 b6e31000 00000017 00000000 # [ 139.809364] dfc0: 00000017 00000017 b6f78e00 00000004 00000001 00000000 00020000 bed09a54 # [ 139.817551] dfe0: 00000004 bed09788 b6ee694f b6e6cc66 # [ 139.822691] irq event stamp: 0 # [ 139.825770] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 139.831364] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 139.838917] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 139.846474] softirqs last disabled at (0): [<00000000>] 0x0 # [ 139.852068] ---[ end trace f564789ceb3242c2 ]--- # [ 139.856746] 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 [ 140.417065] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED [ 140.424092] lkdtm: attempting bad refcount_inc_not_zero() from saturated [ 140.430833] ------------[ cut here ]------------ [ 140.435593] WARNING: CPU: 2 PID: 3132 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 [ 140.444089] refcount_t: saturated; leaking memory. [ 140.448894] 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 etnaviv gpu_sched dw_hdmi_imx dw_hdmi imx_ldb parallel_display imxdrm imx_ipu_v3 [ 140.478128] CPU: 2 PID: 3132 Comm: cat Tainted: G D W 5.10.138-cip15 #1 [ 140.485881] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 140.492418] Backtrace: [ 140.494899] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 140.502482] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f728 [ 140.508160] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 140.515490] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 140.522465] r9:00000009 r8:c086d608 r7:00000013 r6:00000009 r5:c086d608 r4:c1a23e20 [ 140.530224] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 140.537716] r7:00000013 r6:c1a23e20 r5:c1a23df8 r4:c63e2000 [ 140.543395] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) [ 140.552369] r9:c1acfafc r8:c15e7df8 r7:c63e3f60 r6:00000020 r5:c5c6d000 r4:c0000000 [ 140.560134] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) [ 140.570587] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x50/0x88) [ 140.582332] r5:c5c6d000 r4:c63e2000 [ 140.585932] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) [ 140.595939] r4:00000038 [ 140.598490] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 140.606513] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 140.614443] r9:c63e3f60 r8:c533ff00 r7:00000020 r6:b6eab000 r5:c580cb40 r4:c0c2df60 [ 140.622204] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 140.630048] r9:c07f52b4 r8:c63e3f60 r7:c2816000 r6:b6eab000 r5:c580cb40 r4:00000000 [ 140.637803] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 140.644951] r10:00000004 r9:00000000 r8:00000000 r7:b6eab000 r6:c63e2000 r5:c580cb40 [ 140.652788] r4:c580cb40 [ 140.655337] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 140.662485] r9:c63e2000 r8:c03002e4 r7:00000004 r6:b6ff2e00 r5:00000020 r4:00000020 [ 140.670243] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 140.677821] Exception stack(0xc63e3fa8 to 0xc63e3ff0) [ 140.682884] 3fa0: 00000020 00000020 00000001 b6eab000 00000020 00000000 [ 140.691075] 3fc0: 00000020 00000020 b6ff2e00 00000004 00000001 00000000 00020000 be8eda54 [ 140.699260] 3fe0: 00000004 be8ed788 b6f6094f b6ee6c66 [ 140.704391] irq event stamp: 0 [ 140.707470] hardirqs last enabled at (0): [<00000000>] 0x0 [ 140.713101] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 140.720605] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 140.728202] softirqs last disabled at (0): [<00000000>] 0x0 [ 140.733836] ---[ end trace f564789ceb3242c3 ]--- [ 140.738477] lkdtm: Saturation detected: still saturated # [ 140.417065] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 140.424092] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 140.430833] ------------[ cut here ]------------ # [ 140.435593] WARNING: CPU: 2 PID: 3132 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 140.444089] refcount_t: saturated; leaking memory. # [ 140.448894] 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 etnaviv gpu_sched dw_hdmi_imx dw_hdmi imx_ldb parallel_display imxdrm imx_ipu_v3 # [ 140.478128] CPU: 2 PID: 3132 Comm: cat Tainted: G D W 5.10.138-cip15 #1 # [ 140.485881] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 140.492418] Backtrace: # [ 140.494899] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 140.502482] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f728 # [ 140.508160] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 140.515490] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 140.522465] r9:00000009 r8:c086d608 r7:00000013 r6:00000009 r5:c086d608 r4:c1a23e20 # [ 140.530224] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 140.537716] r7:00000013 r6:c1a23e20 r5:c1a23df8 r4:c63e2000 # [ 140.543395] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 140.552369] r9:c1acfafc r8:c15e7df8 r7:c63e3f60 r6:00000020 r5:c5c6d000 r4:c0000000 # [ 140.560134] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 140.570587] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x50/0x88) # [ 140.582332] r5:c5c6d000 r4:c63e2000 # [ 140.585932] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 140.595939] r4:00000038 # [ 140.598490] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 140.606513] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 140.614443] r9:c63e3f60 r8:c533ff00 r7:00000020 r6:b6eab000 r5:c580cb40 r4:c0c2df60 # [ 140.622204] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 140.630048] r9:c07f52b4 r8:c63e3f60 r7:c2816000 r6:b6eab000 r5:c580cb40 r4:00000000 # [ 140.637803] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 140.644951] r10:00000004 r9:00000000 r8:00000000 r7:b6eab000 r6:c63e2000 r5:c580cb40 # [ 140.652788] r4:c580cb40 # [ 140.655337] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 140.662485] r9:c63e2000 r8:c03002e4 r7:00000004 r6:b6ff2e00 r5:00000020 r4:00000020 # [ 140.670243] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 140.677821] Exception stack(0xc63e3fa8 to 0xc63e3ff0) # [ 140.682884] 3fa0: 00000020 00000020 00000001 b6eab000 00000020 00000000 # [ 140.691075] 3fc0: 00000020 00000020 b6ff2e00 00000004 00000001 00000000 00020000 be8eda54 # [ 140.699260] 3fe0: 00000004 be8ed788 b6f6094f b6ee6c66 # [ 140.704391] irq event stamp: 0 # [ 140.707470] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 140.713101] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 140.720605] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 140.728202] softirqs last disabled at (0): [<00000000>] 0x0 # [ 140.733836] ---[ end trace f564789ceb3242c3 ]--- # [ 140.738477] 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 [ 141.301952] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED [ 141.309018] lkdtm: attempting bad refcount_add_not_zero() from saturated [ 141.315849] ------------[ cut here ]------------ [ 141.320541] WARNING: CPU: 3 PID: 3166 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 [ 141.329069] refcount_t: saturated; leaking memory. [ 141.333925] 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 etnaviv gpu_sched dw_hdmi_imx dw_hdmi imx_ldb parallel_display imxdrm imx_ipu_v3 [ 141.363160] CPU: 3 PID: 3166 Comm: cat Tainted: G D W 5.10.138-cip15 #1 [ 141.370915] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 141.377450] Backtrace: [ 141.379933] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 141.387517] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f728 [ 141.393197] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 141.400525] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 141.407499] r9:00000009 r8:c086d608 r7:00000013 r6:00000009 r5:c086d608 r4:c1a23e20 [ 141.415257] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 141.422750] r7:00000013 r6:c1a23e20 r5:c1a23df8 r4:c61cc000 [ 141.428426] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) [ 141.437399] r9:c1acfb1c r8:c15e7df8 r7:c61cdf60 r6:00000020 r5:c6154000 r4:c0000000 [ 141.445164] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) [ 141.455617] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x50/0x88) [ 141.467361] r5:c6154000 r4:c61cc000 [ 141.470959] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) [ 141.480966] r4:00000039 [ 141.483517] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 141.491540] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 141.499471] r9:c61cdf60 r8:c533ff00 r7:00000020 r6:b6e56000 r5:c5b5d400 r4:c0c2df60 [ 141.507232] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 141.515076] r9:c07f52b4 r8:c61cdf60 r7:c2816000 r6:b6e56000 r5:c5b5d400 r4:00000000 [ 141.522834] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 141.529983] r10:00000004 r9:00000000 r8:00000000 r7:b6e56000 r6:c61cc000 r5:c5b5d400 [ 141.537820] r4:c5b5d400 [ 141.540370] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 141.547519] r9:c61cc000 r8:c03002e4 r7:00000004 r6:b6f9de00 r5:00000020 r4:00000020 [ 141.555281] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 141.562859] Exception stack(0xc61cdfa8 to 0xc61cdff0) [ 141.567924] dfa0: 00000020 00000020 00000001 b6e56000 00000020 00000000 [ 141.576115] dfc0: 00000020 00000020 b6f9de00 00000004 00000001 00000000 00020000 be9c8a54 [ 141.584301] dfe0: 00000004 be9c8788 b6f0b94f b6e91c66 [ 141.589430] irq event stamp: 0 [ 141.592534] hardirqs last enabled at (0): [<00000000>] 0x0 [ 141.598129] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 141.605664] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 141.613237] softirqs last disabled at (0): [<00000000>] 0x0 [ 141.618832] ---[ end trace f564789ceb3242c4 ]--- [ 141.623505] lkdtm: Saturation detected: still saturated # [ 141.301952] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 141.309018] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 141.315849] ------------[ cut here ]------------ # [ 141.320541] WARNING: CPU: 3 PID: 3166 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 141.329069] refcount_t: saturated; leaking memory. # [ 141.333925] 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 etnaviv gpu_sched dw_hdmi_imx dw_hdmi imx_ldb parallel_display imxdrm imx_ipu_v3 # [ 141.363160] CPU: 3 PID: 3166 Comm: cat Tainted: G D W 5.10.138-cip15 #1 # [ 141.370915] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 141.377450] Backtrace: # [ 141.379933] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 141.387517] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f728 # [ 141.393197] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 141.400525] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 141.407499] r9:00000009 r8:c086d608 r7:00000013 r6:00000009 r5:c086d608 r4:c1a23e20 # [ 141.415257] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 141.422750] r7:00000013 r6:c1a23e20 r5:c1a23df8 r4:c61cc000 # [ 141.428426] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 141.437399] r9:c1acfb1c r8:c15e7df8 r7:c61cdf60 r6:00000020 r5:c6154000 r4:c0000000 # [ 141.445164] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 141.455617] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x50/0x88) # [ 141.467361] r5:c6154000 r4:c61cc000 # [ 141.470959] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 141.480966] r4:00000039 # [ 141.483517] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 141.491540] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 141.499471] r9:c61cdf60 r8:c533ff00 r7:00000020 r6:b6e56000 r5:c5b5d400 r4:c0c2df60 # [ 141.507232] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 141.515076] r9:c07f52b4 r8:c61cdf60 r7:c2816000 r6:b6e56000 r5:c5b5d400 r4:00000000 # [ 141.522834] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 141.529983] r10:00000004 r9:00000000 r8:00000000 r7:b6e56000 r6:c61cc000 r5:c5b5d400 # [ 141.537820] r4:c5b5d400 # [ 141.540370] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 141.547519] r9:c61cc000 r8:c03002e4 r7:00000004 r6:b6f9de00 r5:00000020 r4:00000020 # [ 141.555281] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 141.562859] Exception stack(0xc61cdfa8 to 0xc61cdff0) # [ 141.567924] dfa0: 00000020 00000020 00000001 b6e56000 00000020 00000000 # [ 141.576115] dfc0: 00000020 00000020 b6f9de00 00000004 00000001 00000000 00020000 be9c8a54 # [ 141.584301] dfe0: 00000004 be9c8788 b6f0b94f b6e91c66 # [ 141.589430] irq event stamp: 0 # [ 141.592534] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 141.598129] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 141.605664] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 141.613237] softirqs last disabled at (0): [<00000000>] 0x0 # [ 141.618832] ---[ end trace f564789ceb3242c4 ]--- # [ 141.623505] 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 [ 142.200247] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED [ 142.207287] lkdtm: attempting bad refcount_dec_and_test() from saturated [ 142.214074] ------------[ cut here ]------------ [ 142.218729] WARNING: CPU: 3 PID: 3203 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 [ 142.227327] refcount_t: underflow; use-after-free. [ 142.232174] 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 etnaviv gpu_sched dw_hdmi_imx dw_hdmi imx_ldb parallel_display imxdrm imx_ipu_v3 [ 142.261401] CPU: 3 PID: 3203 Comm: cat Tainted: G D W 5.10.138-cip15 #1 [ 142.269156] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 142.275691] Backtrace: [ 142.278175] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 142.285758] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f728 [ 142.291436] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 142.298767] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 142.305741] r9:00000009 r8:c086d6a4 r7:0000001c r6:00000009 r5:c086d6a4 r4:c1a23e20 [ 142.313499] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 142.320994] r7:0000001c r6:c1a23e20 r5:c1a23e5c r4:c61cc000 [ 142.326673] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) [ 142.335731] r9:c1acfb3c r8:c15e7df8 r7:c61cdf60 r6:00000020 r5:c6154000 r4:c61cc000 [ 142.343494] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) [ 142.353951] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x50/0x88) [ 142.365710] [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) [ 142.375718] r4:0000003a [ 142.378269] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 142.386292] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 142.394221] r9:c61cdf60 r8:c533ff00 r7:00000020 r6:b6eb3000 r5:c5afa000 r4:c0c2df60 [ 142.401983] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 142.409825] r9:c07f52b4 r8:c61cdf60 r7:c2816000 r6:b6eb3000 r5:c5afa000 r4:00000000 [ 142.417580] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 142.424731] r10:00000004 r9:00000000 r8:00000000 r7:b6eb3000 r6:c61cc000 r5:c5afa000 [ 142.432567] r4:c5afa000 [ 142.435117] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 142.442265] r9:c61cc000 r8:c03002e4 r7:00000004 r6:b6ffae00 r5:00000020 r4:00000020 [ 142.450025] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 142.457603] Exception stack(0xc61cdfa8 to 0xc61cdff0) [ 142.462667] dfa0: 00000020 00000020 00000001 b6eb3000 00000020 00000000 [ 142.470858] dfc0: 00000020 00000020 b6ffae00 00000004 00000001 00000000 00020000 bea0ea54 [ 142.479046] dfe0: 00000004 bea0e788 b6f6894f b6eeec66 [ 142.484180] irq event stamp: 0 [ 142.487257] hardirqs last enabled at (0): [<00000000>] 0x0 [ 142.492888] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 142.500393] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 142.507981] softirqs last disabled at (0): [<00000000>] 0x0 [ 142.513627] ---[ end trace f564789ceb3242c5 ]--- [ 142.518272] lkdtm: Saturation detected: still saturated # [ 142.200247] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 142.207287] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 142.214074] ------------[ cut here ]------------ # [ 142.218729] WARNING: CPU: 3 PID: 3203 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 142.227327] refcount_t: underflow; use-after-free. # [ 142.232174] 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 etnaviv gpu_sched dw_hdmi_imx dw_hdmi imx_ldb parallel_display imxdrm imx_ipu_v3 # [ 142.261401] CPU: 3 PID: 3203 Comm: cat Tainted: G D W 5.10.138-cip15 #1 # [ 142.269156] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 142.275691] Backtrace: # [ 142.278175] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 142.285758] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f728 # [ 142.291436] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 142.298767] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 142.305741] r9:00000009 r8:c086d6a4 r7:0000001c r6:00000009 r5:c086d6a4 r4:c1a23e20 # [ 142.313499] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 142.320994] r7:0000001c r6:c1a23e20 r5:c1a23e5c r4:c61cc000 # [ 142.326673] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 142.335731] r9:c1acfb3c r8:c15e7df8 r7:c61cdf60 r6:00000020 r5:c6154000 r4:c61cc000 # [ 142.343494] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 142.353951] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x50/0x88) # [ 142.365710] [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 142.375718] r4:0000003a # [ 142.378269] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 142.386292] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 142.394221] r9:c61cdf60 r8:c533ff00 r7:00000020 r6:b6eb3000 r5:c5afa000 r4:c0c2df60 # [ 142.401983] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 142.409825] r9:c07f52b4 r8:c61cdf60 r7:c2816000 r6:b6eb3000 r5:c5afa000 r4:00000000 # [ 142.417580] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 142.424731] r10:00000004 r9:00000000 r8:00000000 r7:b6eb3000 r6:c61cc000 r5:c5afa000 # [ 142.432567] r4:c5afa000 # [ 142.435117] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 142.442265] r9:c61cc000 r8:c03002e4 r7:00000004 r6:b6ffae00 r5:00000020 r4:00000020 # [ 142.450025] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 142.457603] Exception stack(0xc61cdfa8 to 0xc61cdff0) # [ 142.462667] dfa0: 00000020 00000020 00000001 b6eb3000 00000020 00000000 # [ 142.470858] dfc0: 00000020 00000020 b6ffae00 00000004 00000001 00000000 00020000 bea0ea54 # [ 142.479046] dfe0: 00000004 bea0e788 b6f6894f b6eeec66 # [ 142.484180] irq event stamp: 0 # [ 142.487257] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 142.492888] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 142.500393] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 142.507981] softirqs last disabled at (0): [<00000000>] 0x0 # [ 142.513627] ---[ end trace f564789ceb3242c5 ]--- # [ 142.518272] 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 [ 143.094068] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED [ 143.100995] lkdtm: attempting bad refcount_sub_and_test() from saturated [ 143.107925] ------------[ cut here ]------------ [ 143.112758] WARNING: CPU: 2 PID: 3238 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 [ 143.121319] refcount_t: underflow; use-after-free. [ 143.126275] 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 etnaviv gpu_sched dw_hdmi_imx dw_hdmi imx_ldb parallel_display imxdrm imx_ipu_v3 [ 143.155844] CPU: 2 PID: 3238 Comm: cat Tainted: G D W 5.10.138-cip15 #1 [ 143.163616] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 143.170167] Backtrace: [ 143.172686] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 143.180289] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f728 [ 143.185992] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 143.193344] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 143.200342] r9:00000009 r8:c086d6a4 r7:0000001c r6:00000009 r5:c086d6a4 r4:c1a23e20 [ 143.208120] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 143.215631] r7:0000001c r6:c1a23e20 r5:c1a23e5c r4:c5acc000 [ 143.221335] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) [ 143.230414] r9:c1acfb5c r8:c15e7df8 r7:c5acdf60 r6:00000020 r5:c5c6d000 r4:c5acc000 [ 143.238201] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) [ 143.248682] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x50/0x88) [ 143.260468] [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) [ 143.270489] r4:0000003b [ 143.273062] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 143.281111] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 143.289060] r9:c5acdf60 r8:c533ff00 r7:00000020 r6:b6dfc000 r5:c580d680 r4:c0c2df60 [ 143.296844] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 143.304709] r9:c07f52b4 r8:c5acdf60 r7:c2816000 r6:b6dfc000 r5:c580d680 r4:00000000 [ 143.312488] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 143.319655] r10:00000004 r9:00000000 r8:00000000 r7:b6dfc000 r6:c5acc000 r5:c580d680 [ 143.327506] r4:c580d680 [ 143.330076] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 143.337243] r9:c5acc000 r8:c03002e4 r7:00000004 r6:b6f43e00 r5:00000020 r4:00000020 [ 143.345025] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 143.352618] Exception stack(0xc5acdfa8 to 0xc5acdff0) [ 143.357702] dfa0: 00000020 00000020 00000001 b6dfc000 00000020 00000000 [ 143.365914] dfc0: 00000020 00000020 b6f43e00 00000004 00000001 00000000 00020000 beef4a54 [ 143.374117] dfe0: 00000004 beef4788 b6eb194f b6e37c66 [ 143.379336] irq event stamp: 0 [ 143.382511] hardirqs last enabled at (0): [<00000000>] 0x0 [ 143.388138] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 143.395733] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 143.403329] softirqs last disabled at (0): [<00000000>] 0x0 [ 143.408940] ---[ end trace f564789ceb3242c6 ]--- [ 143.413677] lkdtm: Saturation detected: still saturated # [ 143.094068] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 143.100995] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 143.107925] ------------[ cut here ]------------ # [ 143.112758] WARNING: CPU: 2 PID: 3238 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 143.121319] refcount_t: underflow; use-after-free. # [ 143.126275] 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 etnaviv gpu_sched dw_hdmi_imx dw_hdmi imx_ldb parallel_display imxdrm imx_ipu_v3 # [ 143.155844] CPU: 2 PID: 3238 Comm: cat Tainted: G D W 5.10.138-cip15 #1 # [ 143.163616] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 143.170167] Backtrace: # [ 143.172686] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 143.180289] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f728 # [ 143.185992] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 143.193344] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 143.200342] r9:00000009 r8:c086d6a4 r7:0000001c r6:00000009 r5:c086d6a4 r4:c1a23e20 # [ 143.208120] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 143.215631] r7:0000001c r6:c1a23e20 r5:c1a23e5c r4:c5acc000 # [ 143.221335] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 143.230414] r9:c1acfb5c r8:c15e7df8 r7:c5acdf60 r6:00000020 r5:c5c6d000 r4:c5acc000 # [ 143.238201] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 143.248682] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x50/0x88) # [ 143.260468] [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 143.270489] r4:0000003b # [ 143.273062] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 143.281111] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 143.289060] r9:c5acdf60 r8:c533ff00 r7:00000020 r6:b6dfc000 r5:c580d680 r4:c0c2df60 # [ 143.296844] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 143.304709] r9:c07f52b4 r8:c5acdf60 r7:c2816000 r6:b6dfc000 r5:c580d680 r4:00000000 # [ 143.312488] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 143.319655] r10:00000004 r9:00000000 r8:00000000 r7:b6dfc000 r6:c5acc000 r5:c580d680 # [ 143.327506] r4:c580d680 # [ 143.330076] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 143.337243] r9:c5acc000 r8:c03002e4 r7:00000004 r6:b6f43e00 r5:00000020 r4:00000020 # [ 143.345025] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 143.352618] Exception stack(0xc5acdfa8 to 0xc5acdff0) # [ 143.357702] dfa0: 00000020 00000020 00000001 b6dfc000 00000020 00000000 # [ 143.365914] dfc0: 00000020 00000020 b6f43e00 00000004 00000001 00000000 00020000 beef4a54 # [ 143.374117] dfe0: 00000004 beef4788 b6eb194f b6e37c66 # [ 143.379336] irq event stamp: 0 # [ 143.382511] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 143.388138] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 143.395733] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 143.403329] softirqs last disabled at (0): [<00000000>] 0x0 # [ 143.408940] ---[ end trace f564789ceb3242c6 ]--- # [ 143.413677] 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 [ 144.436693] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO [ 144.442843] lkdtm: attempting good copy_to_user of correct size [ 144.448849] lkdtm: attempting bad copy_to_user of too large size # [ 144.436693] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 144.442843] lkdtm: attempting good copy_to_user of correct size # [ 144.448849] 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 [ 144.979998] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM [ 144.986308] lkdtm: attempting good copy_from_user of correct size [ 144.992495] lkdtm: attempting bad copy_from_user of too large size # [ 144.979998] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 144.986308] lkdtm: attempting good copy_from_user of correct size # [ 144.992495] 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 [ 145.527930] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO [ 145.534528] lkdtm: attempting good copy_to_user inside whitelist [ 145.540587] lkdtm: attempting bad copy_to_user outside whitelist # [ 145.527930] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 145.534528] lkdtm: attempting good copy_to_user inside whitelist # [ 145.540587] 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 [ 146.084416] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM [ 146.091085] lkdtm: attempting good copy_from_user inside whitelist [ 146.097353] lkdtm: attempting bad copy_from_user outside whitelist # [ 146.084416] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 146.091085] lkdtm: attempting good copy_from_user inside whitelist # [ 146.097353] 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 [ 146.624092] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO [ 146.630332] lkdtm: good_stack: c63d1e0c-c63d1e2c [ 146.635057] lkdtm: bad_stack : c63d1d84-c63d1da4 [ 146.639708] lkdtm: attempting good copy_to_user of local stack [ 146.645657] lkdtm: attempting bad copy_to_user of distant stack # [ 146.624092] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 146.630332] lkdtm: good_stack: c63d1e0c-c63d1e2c # [ 146.635057] lkdtm: bad_stack : c63d1d84-c63d1da4 # [ 146.639708] lkdtm: attempting good copy_to_user of local stack # [ 146.645657] 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 [ 147.174355] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM [ 147.180738] lkdtm: good_stack: c61f9e0c-c61f9e2c [ 147.185438] lkdtm: bad_stack : c61f9d84-c61f9da4 [ 147.190083] lkdtm: attempting good copy_from_user of local stack [ 147.196186] lkdtm: attempting bad copy_from_user of distant stack # [ 147.174355] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 147.180738] lkdtm: good_stack: c61f9e0c-c61f9e2c # [ 147.185438] lkdtm: bad_stack : c61f9d84-c61f9da4 # [ 147.190083] lkdtm: attempting good copy_from_user of local stack # [ 147.196186] 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 [ 147.708580] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND [ 147.714758] lkdtm: good_stack: c61f9e0c-c61f9e2c [ 147.719415] lkdtm: bad_stack : c61f9ffc-c61fa01c [ 147.724127] lkdtm: attempting good copy_to_user of local stack [ 147.730019] lkdtm: attempting bad copy_to_user of distant stack # [ 147.708580] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 147.714758] lkdtm: good_stack: c61f9e0c-c61f9e2c # [ 147.719415] lkdtm: bad_stack : c61f9ffc-c61fa01c # [ 147.724127] lkdtm: attempting good copy_to_user of local stack # [ 147.730019] 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 [ 148.248461] lkdtm: Performing direct entry USERCOPY_KERNEL [ 148.254063] lkdtm: attempting good copy_to_user from kernel rodata: c15e80a4 [ 148.261165] lkdtm: attempting bad copy_to_user from kernel text: c0539cf4 [ 148.268032] lkdtm: FAIL: survived bad copy_to_user() # [ 148.248461] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 148.254063] lkdtm: attempting good copy_to_user from kernel rodata: c15e80a4 # [ 148.261165] lkdtm: attempting bad copy_to_user from kernel text: c0539cf4 # [ 148.268032] 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 [ 148.799309] lkdtm: Performing direct entry STACKLEAK_ERASING [ 148.805122] lkdtm: checking unused part of the thread stack (7732 bytes)... [ 148.812324] lkdtm: FAIL: the erased part is not found (checked 7732 bytes) [ 148.819237] lkdtm: FAIL: the thread stack is NOT properly erased [ 148.825349] CPU: 3 PID: 3603 Comm: cat Tainted: G D W 5.10.138-cip15 #1 [ 148.833105] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 148.839639] Backtrace: [ 148.842125] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 148.849709] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f728 [ 148.855389] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 148.862717] [] (dump_stack) from [] (lkdtm_STACKLEAK_ERASING+0x148/0x174) [ 148.871255] r9:c1acfc64 r8:c15e7df8 r7:c63d1f60 r6:c63d1e34 r5:c63d0000 r4:0000078d [ 148.879021] [] (lkdtm_STACKLEAK_ERASING) from [] (lkdtm_do_action+0x2c/0x4c) [ 148.887819] r8:c15e7df8 r7:c63d1f60 r6:00000012 r5:c6490000 r4:00000046 [ 148.894536] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 148.902561] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 148.910491] r9:c63d1f60 r8:c533ff00 r7:00000012 r6:b6e0f000 r5:c60f9180 r4:c0c2df60 [ 148.918253] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 148.926095] r9:c07f52b4 r8:c63d1f60 r7:c2816000 r6:b6e0f000 r5:c60f9180 r4:00000000 [ 148.933852] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 148.941000] r10:00000004 r9:00000000 r8:00000000 r7:b6e0f000 r6:c63d0000 r5:c60f9180 [ 148.948837] r4:c60f9180 [ 148.951385] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 148.958534] r9:c63d0000 r8:c03002e4 r7:00000004 r6:b6f56e00 r5:00000012 r4:00000012 [ 148.966294] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 148.973872] Exception stack(0xc63d1fa8 to 0xc63d1ff0) [ 148.978937] 1fa0: 00000012 00000012 00000001 b6e0f000 00000012 00000000 [ 148.987129] 1fc0: 00000012 00000012 b6f56e00 00000004 00000001 00000000 00020000 be88ba54 [ 148.995317] 1fe0: 00000004 be88b788 b6ec494f b6e4ac66 # [ 148.799309] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 148.805122] lkdtm: checking unused part of the thread stack (7732 bytes)... # [ 148.812324] lkdtm: FAIL: the erased part is not found (checked 7732 bytes) # [ 148.819237] lkdtm: FAIL: the thread stack is NOT properly erased # [ 148.825349] CPU: 3 PID: 3603 Comm: cat Tainted: G D W 5.10.138-cip15 #1 # [ 148.833105] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 148.839639] Backtrace: # [ 148.842125] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 148.849709] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f728 # [ 148.855389] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 148.862717] [] (dump_stack) from [] (lkdtm_STACKLEAK_ERASING+0x148/0x174) # [ 148.871255] r9:c1acfc64 r8:c15e7df8 r7:c63d1f60 r6:c63d1e34 r5:c63d0000 r4:0000078d # [ 148.879021] [] (lkdtm_STACKLEAK_ERASING) from [] (lkdtm_do_action+0x2c/0x4c) # [ 148.887819] r8:c15e7df8 r7:c63d1f60 r6:00000012 r5:c6490000 r4:00000046 # [ 148.894536] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 148.902561] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 148.910491] r9:c63d1f60 r8:c533ff00 r7:00000012 r6:b6e0f000 r5:c60f9180 r4:c0c2df60 # [ 148.918253] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 148.926095] r9:c07f52b4 r8:c63d1f60 r7:c2816000 r6:b6e0f000 r5:c60f9180 r4:00000000 # [ 148.933852] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 148.941000] r10:00000004 r9:00000000 r8:00000000 r7:b6e0f000 r6:c63d0000 r5:c60f9180 # [ 148.948837] r4:c60f9180 # [ 148.951385] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 148.958534] r9:c63d0000 r8:c03002e4 r7:00000004 r6:b6f56e00 r5:00000012 r4:00000012 # [ 148.966294] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 148.973872] Exception stack(0xc63d1fa8 to 0xc63d1ff0) # [ 148.978937] 1fa0: 00000012 00000012 00000001 b6e0f000 00000012 00000000 # [ 148.987129] 1fc0: 00000012 00000012 b6f56e00 00000004 00000001 00000000 00020000 be88ba54 # [ 148.995317] 1fe0: 00000004 be88b788 b6ec494f b6e4ac66 # 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 [ 149.526856] lkdtm: Performing direct entry CFI_FORWARD_PROTO [ 149.532636] lkdtm: Calling matched prototype ... [ 149.537270] lkdtm: Calling mismatched prototype ... [ 149.542222] lkdtm: Fail: survived mismatched prototype function call! # [ 149.526856] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 149.532636] lkdtm: Calling matched prototype ... # [ 149.537270] lkdtm: Calling mismatched prototype ... # [ 149.542222] 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 / #