[Enter `^Ec?' for help] U-Boot 2021.10+dfsg-1+apertis10bv2023dev2b2 (Apr 18 2022 - 16:34:49 +0000) CPU: Freescale i.MX6Q rev1.2 at 792 MHz Reset cause: POR Model: Freescale i.MX6 Quad SABRE Lite Board Board: SABRE Lite I2C: ready DRAM: 1 GiB MMC: FSL_SDHC: 0, FSL_SDHC: 1 Loading Environment from SPIFlash... SF: Detected gd25q16 with page size 256 Bytes, erase size 4 KiB, total 2 MiB *** Warning - bad CRC, using default environment In: serial Out: serial Err: serial Net: using phy at 7 FEC [PRIME], usb_ether Error: usb_ether address not set. starting USB... Bus usb@2184000: usb dr_mode not found Bus usb@2184200: USB EHCI 1.00 scanning bus usb@2184000 for devices... 1 USB Device(s) found scanning bus usb@2184200 for devices... 2 USB Device(s) found scanning usb for storage devices... 0 Storage Device(s) found scanning usb for ethernet devices... 0 Ethernet Device(s) found Couldn't find partition mmc 0:1 Error selecting device File System is consistent file found, deleting File System is consistent Hit any key to stop autoboot: 3  0 => setenv autoload no setenv autoload no => setenv initrd_high 0xffffffff setenv initrd_high 0xffffffff => setenv fdt_high 0xffffffff setenv fdt_high 0xffffffff => dhcp dhcp BOOTP broadcast 1 DHCP client bound to address 192.168.201.34 (3 ms) => setenv serverip 192.168.201.1 setenv serverip 192.168.201.1 => tftp 0x10000000 8570582/tftp-deploy-m1t52ubc/kernel/zImage tftp 0x10000000 8570582/tftp-deploy-m1t52ubc/kernel/zImage Using FEC device TFTP from server 192.168.201.1; our IP address is 192.168.201.34 Filename '8570582/tftp-deploy-m1t52ubc/kernel/zImage'. Load address: 0x10000000 Loading: *################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ############################################################## 12.1 MiB/s done Bytes transferred = 12349952 (bc7200 hex) => tftp 0x14000000 8570582/tftp-deploy-m1t52ubc/ramdisk/ramdisk.cpio.gz.uboot tftp 0x14000000 8570582/tftp-deploy-m1t52ubc/ramdisk/ramdisk.cpio.gz.uboot Using FEC device TFTP from server 192.168.201.1; our IP address is 192.168.201.34 Filename '8570582/tftp-deploy-m1t52ubc/ramdisk/ramdisk.cpio.gz.uboot'. Load address: 0x14000000 Loading: *################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ############ 11.8 MiB/s done Bytes transferred = 15432257 (eb7a41 hex) => setenv initrd_size ${filesize} setenv initrd_size ${filesize} => tftp 0x13f00000 8570582/tftp-deploy-m1t52ubc/dtb/imx6q-sabrelite.dtb tftp 0x13f00000 8570582/tftp-deploy-m1t52ubc/dtb/imx6q-sabrelite.dtb Using FEC device TFTP from server 192.168.201.1; our IP address is 192.168.201.34 Filename '8570582/tftp-deploy-m1t52ubc/dtb/imx6q-sabrelite.dtb'. Load address: 0x13f00000 Loading: *### 4.5 MiB/s done Bytes transferred = 42449 (a5d1 hex) => setenv bootargs 'console=ttymxc1,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/8570582/extract-nfsrootfs-y3_lk7vm,tcp,hard ip=dhcp' setenv bootargs 'console=ttymxc1,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/8570582/extract-nfsrootfs-y3_lk7vm,tcp,hard ip=dhcp' => bootz 0x10000000 0x14000000 0x13f00000 bootz 0x10000000 0x14000000 0x13f00000 Kernel image @ 0x10000000 [ 0x000000 - 0xbc7200 ] ## Loading init Ramdisk from Legacy Image at 14000000 ... Image Name: Image Type: ARM Linux RAMDisk Image (uncompressed) Data Size: 15432193 Bytes = 14.7 MiB Load Address: 00000000 Entry Point: 00000000 Verifying Checksum ... OK ## Flattened Device Tree blob at 13f00000 Booting using the fdt blob at 0x13f00000 Using Device Tree in place at 13f00000, end 13f0d5d0 Starting kernel ... [ 0.000000] Booting Linux on physical CPU 0x0 [ 0.000000] Linux version 5.10.162-cip23 (KernelCI@build-j782913-arm-gcc-10-multi-v7-defconfig-kselftest-4mvsz) (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 Jan 4 11:56:45 UTC 2023 [ 0.000000] CPU: ARMv7 Processor [412fc09a] revision 10 (ARMv7), cr=10c5387d [ 0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache [ 0.000000] OF: fdt: Machine model: Freescale i.MX6 Quad SABRE Lite Board [ 0.000000] Memory policy: Data cache writealloc [ 0.000000] efi: UEFI not found. [ 0.000000] OF: fdt: Reserved memory: unsupported node format, ignoring [ 0.000000] cma: Reserved 64 MiB at 0x4c000000 [ 0.000000] Zone ranges: [ 0.000000] DMA [mem 0x0000000010000000-0x000000003fffffff] [ 0.000000] Normal empty [ 0.000000] HighMem [mem 0x0000000040000000-0x000000004fffffff] [ 0.000000] Movable zone start for each node [ 0.000000] Early memory node ranges [ 0.000000] node 0: [mem 0x0000000010000000-0x000000004fffffff] [ 0.000000] Initmem setup node 0 [mem 0x0000000010000000-0x000000004fffffff] [ 0.000000] percpu: Embedded 21 pages/cpu s55468 r8192 d22356 u86016 [ 0.000000] Built 1 zonelists, mobility grouping on. Total pages: 260608 [ 0.000000] Kernel command line: console=ttymxc1,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/8570582/extract-nfsrootfs-y3_lk7vm,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: 921452K/1048576K available (17408K kernel code, 2651K rwdata, 8100K rodata, 2048K init, 6692K bss, 61588K reserved, 65536K cma-reserved, 196608K highmem) [ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 [ 0.000000] ftrace: allocating 55473 entries in 163 pages [ 0.000000] ftrace: allocated 163 pages with 4 groups [ 0.000000] Running RCU self tests [ 0.000000] rcu: Hierarchical RCU implementation. [ 0.000000] rcu: RCU event tracing is enabled. [ 0.000000] rcu: RCU lockdep checking is enabled. [ 0.000000] rcu: RCU restricting CPUs from NR_CPUS=16 to nr_cpu_ids=4. [ 0.000000] Rude variant of Tasks RCU enabled. [ 0.000000] Tracing variant of Tasks RCU enabled. [ 0.000000] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. [ 0.000000] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4 [ 0.000000] NR_IRQS: 16, nr_irqs: 16, preallocated irqs: 16 [ 0.000000] L2C-310 errata 752271 769419 enabled [ 0.000000] L2C-310 enabling early BRESP for Cortex-A9 [ 0.000000] L2C-310 full line of zeros enabled for Cortex-A9 [ 0.000000] L2C-310 ID prefetch enabled, offset 16 lines [ 0.000000] L2C-310 dynamic clock gating enabled, standby mode enabled [ 0.000000] L2C-310 cache controller enabled, 16 ways, 1024 kB [ 0.000000] L2C-310: CACHE_ID 0x410000c7, AUX_CTRL 0x76470001 [ 0.000000] Switching to timer-based delay loop, resolution 333ns [ 0.000009] sched_clock: 32 bits at 3000kHz, resolution 333ns, wraps every 715827882841ns [ 0.000042] clocksource: mxc_timer1: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 637086815595 ns [ 0.004620] Console: colour dummy device 80x30 [ 0.004685] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 0.004713] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 0.004739] ... MAX_LOCK_DEPTH: 48 [ 0.004765] ... MAX_LOCKDEP_KEYS: 8192 [ 0.004790] ... CLASSHASH_SIZE: 4096 [ 0.004815] ... MAX_LOCKDEP_ENTRIES: 32768 [ 0.004840] ... MAX_LOCKDEP_CHAINS: 65536 [ 0.004866] ... CHAINHASH_SIZE: 32768 [ 0.004890] memory used by lock dependency info: 4061 kB [ 0.004915] memory used for stack traces: 2112 kB [ 0.004941] per task-struct memory footprint: 1536 bytes [ 0.005044] Calibrating delay loop (skipped), value calculated using timer frequency.. 6.00 BogoMIPS (lpj=30000) [ 0.005094] pid_max: default: 32768 minimum: 301 [ 0.005477] LSM: Security Framework initializing [ 0.005589] LSM support for eBPF active [ 0.005733] Mount-cache hash table entries: 2048 (order: 1, 8192 bytes, linear) [ 0.005783] Mountpoint-cache hash table entries: 2048 (order: 1, 8192 bytes, linear) [ 0.008417] CPU: Testing write buffer coherency: ok [ 0.008546] CPU0: Spectre v2: using BPIALL workaround [ 0.009660] CPU0: thread -1, cpu 0, socket 0, mpidr 80000000 [ 0.013578] Setting up static identity map for 0x10300000 - 0x103000ac [ 0.016003] rcu: Hierarchical SRCU implementation. [ 0.025577] EFI services will not be available. [ 0.026893] smp: Bringing up secondary CPUs ... [ 0.030247] CPU1: thread -1, cpu 1, socket 0, mpidr 80000001 [ 0.030263] CPU1: Spectre v2: using BPIALL workaround [ 0.034319] CPU2: thread -1, cpu 2, socket 0, mpidr 80000002 [ 0.034334] CPU2: Spectre v2: using BPIALL workaround [ 0.037987] CPU3: thread -1, cpu 3, socket 0, mpidr 80000003 [ 0.038002] CPU3: Spectre v2: using BPIALL workaround [ 0.038998] smp: Brought up 1 node, 4 CPUs [ 0.039044] SMP: Total of 4 processors activated (24.00 BogoMIPS). [ 0.039079] CPU: All CPU(s) started in SVC mode. [ 0.041889] devtmpfs: initialized [ 0.100602] VFP support v0.3: implementor 41 architecture 3 part 30 variant 9 rev 4 [ 0.103329] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 0.103401] futex hash table entries: 1024 (order: 4, 65536 bytes, linear) [ 0.108220] pinctrl core: initialized pinctrl subsystem [ 0.115339] DMI not present or invalid. [ 0.117731] NET: Registered protocol family 16 [ 0.129480] DMA: preallocated 256 KiB pool for atomic coherent allocations [ 0.139128] thermal_sys: Registered thermal governor 'step_wise' [ 0.139688] cpuidle: using governor menu [ 0.140216] CPU identified as i.MX6Q, silicon rev 1.2 [ 0.872574] vdd1p1: supplied by regulator-dummy [ 0.903869] vdd3p0: supplied by regulator-dummy [ 0.934697] vdd2p5: supplied by regulator-dummy [ 0.965661] vddarm: supplied by regulator-dummy [ 0.997432] vddpu: supplied by regulator-dummy [ 1.027334] vddsoc: supplied by regulator-dummy [ 2.336320] No ATAGs? [ 2.337352] hw-breakpoint: found 5 (+1 reserved) breakpoint and 1 watchpoint registers. [ 2.337439] hw-breakpoint: maximum watchpoint size is 4 bytes. [ 2.357259] imx6q-pinctrl 20e0000.pinctrl: initialized IMX pinctrl driver [ 2.387042] Serial: AMBA PL011 UART driver [ 2.452836] Kprobes globally optimized [ 2.573898] iommu: Default domain type: Translated [ 2.576097] vgaarb: loaded [ 2.581184] SCSI subsystem initialized [ 2.583334] usbcore: registered new interface driver usbfs [ 2.583653] usbcore: registered new interface driver hub [ 2.583894] usbcore: registered new device driver usb [ 2.591817] i2c i2c-0: IMX I2C adapter registered [ 2.598971] i2c i2c-1: IMX I2C adapter registered [ 2.603514] i2c i2c-2: IMX I2C adapter registered [ 2.608174] pps_core: LinuxPPS API ver. 1 registered [ 2.608219] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 2.608318] PTP clock support registered [ 2.626607] clocksource: Switched to clocksource mxc_timer1 [ 4.322704] NET: Registered protocol family 2 [ 4.323518] IP idents hash table entries: 16384 (order: 5, 131072 bytes, linear) [ 4.327040] tcp_listen_portaddr_hash hash table entries: 512 (order: 2, 22528 bytes, linear) [ 4.327225] TCP established hash table entries: 8192 (order: 3, 32768 bytes, linear) [ 4.327456] TCP bind hash table entries: 8192 (order: 6, 327680 bytes, linear) [ 4.328898] TCP: Hash tables configured (established 8192 bind 8192) [ 4.329978] MPTCP token hash table entries: 1024 (order: 3, 49152 bytes, linear) [ 4.330330] UDP hash table entries: 512 (order: 3, 49152 bytes, linear) [ 4.330588] UDP-Lite hash table entries: 512 (order: 3, 49152 bytes, linear) [ 4.331339] NET: Registered protocol family 1 [ 4.334220] RPC: Registered named UNIX socket transport module. [ 4.334310] RPC: Registered udp transport module. [ 4.334352] RPC: Registered tcp transport module. [ 4.334392] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 4.334446] NET: Registered protocol family 44 [ 4.334513] PCI: CLS 0 bytes, default 64 [ 4.337278] Trying to unpack rootfs image as initramfs... [ 6.239810] Freeing initrd memory: 15072K [ 6.241104] hw perfevents: no interrupt-affinity property for /pmu, guessing. [ 6.242262] hw perfevents: enabled with armv7_cortex_a9 PMU driver, 7 counters available [ 6.251692] Initialise system trusted keyrings [ 6.252717] workingset: timestamp_bits=30 max_order=18 bucket_order=0 [ 6.305279] squashfs: version 4.0 (2009/01/31) Phillip Lougher [ 6.309146] NFS: Registering the id_resolver key type [ 6.309325] Key type id_resolver registered [ 6.309419] Key type id_legacy registered [ 6.310070] nfs4filelayout_init: NFSv4 File Layout Driver Registering... [ 6.310177] nfs4flexfilelayout_init: NFSv4 Flexfile Layout Driver Registering... [ 6.310389] ntfs: driver 2.1.32 [Flags: R/O]. [ 6.312581] Key type asymmetric registered [ 6.312709] Asymmetric key parser 'x509' registered [ 6.313159] bounce: pool size: 64 pages [ 6.313328] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 247) [ 6.313433] io scheduler mq-deadline registered [ 6.313475] io scheduler kyber registered [ 6.314443] test_firmware: interface ready [ 6.498681] mxs-dma 110000.dma-apbh: initialized [ 6.564978] imx-sdma 20ec000.sdma: Direct firmware load for imx/sdma/sdma-imx6q.bin failed with error -2 [ 6.565253] imx-sdma 20ec000.sdma: external firmware not found, using ROM firmware [ 6.824493] Serial: 8250/16550 driver, 5 ports, IRQ sharing enabled [ 6.845695] SuperH (H)SCI(F) driver initialized [ 6.848843] 2020000.serial: ttymxc0 at MMIO 0x2020000 (irq = 34, base_baud = 5000000) is a IMX [ 6.854145] 21e8000.serial: ttymxc1 at MMIO 0x21e8000 (irq = 81, base_baud = 5000000) is a IMX [ 7.785637] printk: console [ttymxc1] enabled [ 7.796960] msm_serial: driver initialized [ 7.802171] STMicroelectronics ASC driver initialized [ 7.813996] STM32 USART driver initialized [ 7.841294] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 0 [ 7.864170] panel-simple panel-lcd: supply power not found, using dummy regulator [ 7.872691] panel-simple panel-lcd: Specify missing connector_type [ 7.880691] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 7.937395] brd: module loaded [ 8.000813] loop: module loaded [ 8.007469] lkdtm: No crash points registered, enable through debugfs [ 8.030216] ahci-imx 2200000.sata: fsl,transmit-level-mV not specified, using 00000024 [ 8.038262] ahci-imx 2200000.sata: fsl,transmit-boost-mdB not specified, using 00000480 [ 8.046374] ahci-imx 2200000.sata: fsl,transmit-atten-16ths not specified, using 00002000 [ 8.054596] ahci-imx 2200000.sata: fsl,receive-eq-mdB not specified, using 05000000 [ 8.062661] ahci-imx 2200000.sata: supply ahci not found, using dummy regulator [ 8.070939] ahci-imx 2200000.sata: supply phy not found, using dummy regulator [ 8.078841] ahci-imx 2200000.sata: supply target not found, using dummy regulator [ 8.090278] ahci-imx 2200000.sata: SSS flag set, parallel bus scan disabled [ 8.097410] ahci-imx 2200000.sata: AHCI 0001.0300 32 slots 1 ports 3 Gbps 0x1 impl platform mode [ 8.106242] ahci-imx 2200000.sata: flags: ncq sntf stag pm led clo only pmp pio slum part ccc apst [ 8.120859] scsi host0: ahci-imx [ 8.126630] ata1: SATA max UDMA/133 mmio [mem 0x02200000-0x02203fff] port 0x100 irq 84 [ 8.193922] bgmac_bcma: Broadcom 47xx GBit MAC driver loaded [ 8.207863] pps pps0: new PPS source ptp0 [ 8.254502] fec 2188000.ethernet eth0: registered PHC device 0 [ 8.265387] e1000e: Intel(R) PRO/1000 Network Driver [ 8.270452] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. [ 8.276705] igb: Intel(R) Gigabit Ethernet Network Driver [ 8.282141] igb: Copyright (c) 2007-2014 Intel Corporation. [ 8.310788] pegasus: v0.9.3 (2013/04/25), Pegasus/Pegasus II USB Ethernet driver [ 8.318474] usbcore: registered new interface driver pegasus [ 8.324416] usbcore: registered new interface driver asix [ 8.330082] usbcore: registered new interface driver ax88179_178a [ 8.336416] usbcore: registered new interface driver cdc_ether [ 8.342500] usbcore: registered new interface driver smsc75xx [ 8.348552] usbcore: registered new interface driver smsc95xx [ 8.354477] usbcore: registered new interface driver net1080 [ 8.360388] usbcore: registered new interface driver cdc_subset [ 8.366545] usbcore: registered new interface driver zaurus [ 8.372407] usbcore: registered new interface driver cdc_ncm [ 8.391434] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 8.398139] ehci-pci: EHCI PCI platform driver [ 8.402775] ehci-platform: EHCI generic platform driver [ 8.409143] ehci-orion: EHCI orion driver [ 8.414128] SPEAr-ehci: EHCI SPEAr driver [ 8.419131] ehci-st: EHCI STMicroelectronics driver [ 8.424940] ehci-exynos: EHCI Exynos driver [ 8.430121] ehci-atmel: EHCI Atmel driver [ 8.435060] tegra-ehci: Tegra EHCI driver [ 8.440150] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 8.446495] ohci-pci: OHCI PCI platform driver [ 8.451132] ohci-platform: OHCI generic platform driver [ 8.457438] SPEAr-ohci: OHCI SPEAr driver [ 8.462386] ohci-st: OHCI STMicroelectronics driver [ 8.468249] ohci-atmel: OHCI Atmel driver [ 8.475957] usbcore: registered new interface driver usb-storage [ 8.479067] ata1: SATA link down (SStatus 0 SControl 300) [ 8.487836] ahci-imx 2200000.sata: no device found, disabling link. [ 8.494147] ahci-imx 2200000.sata: pass ahci_imx..hotplug=1 to enable hotplug [ 8.516172] i2c /dev entries driver [ 8.605948] sdhci: Secure Digital Host Controller Interface driver [ 8.612242] sdhci: Copyright(c) Pierre Ossman [ 8.626705] Synopsys Designware Multimedia Card Interface Driver [ 8.640496] sdhci-pltfm: SDHCI platform and OF driver helper [ 8.650124] sdhci-esdhc-imx 219c000.mmc: Got CD GPIO [ 8.650132] sdhci-esdhc-imx 2198000.mmc: Got CD GPIO [ 8.660475] sdhci-esdhc-imx 2198000.mmc: Got WP GPIO [ 8.667891] ledtrig-cpu: registered to indicate activity on CPUs [ 8.678019] usbcore: registered new interface driver usbhid [ 8.683633] usbhid: USB HID core driver [ 8.704790] mmc3: SDHCI controller on 219c000.mmc [219c000.mmc] using ADMA [ 8.713090] ipip: IPv4 and MPLS over IPv4 tunneling driver [ 8.721274] gre: GRE over IPv4 demultiplexor driver [ 8.725558] mmc2: SDHCI controller on 2198000.mmc [2198000.mmc] using ADMA [ 8.726192] ip_gre: GRE over IPv4 tunneling driver [ 8.744335] IPv4 over IPsec tunneling driver [ 8.754125] NET: Registered protocol family 10 [ 8.765403] Segment Routing with IPv6 [ 8.773945] mmc2: new high speed SDHC card at address 59b4 [ 8.775992] ip6_gre: GRE over IPv6 tunneling driver [ 8.783612] mmcblk2: mmc2:59b4 SD 14.7 GiB [ 8.787888] NET: Registered protocol family 17 [ 8.795461] Key type dns_resolver registered [ 8.807139] GPT:Primary header thinks Alt. header is not at the end of the disk. [ 8.814695] GPT:29296874 != 30863359 [ 8.816115] ThumbEE CPU extension supported. [ 8.818434] GPT:Alternate GPT header not at the end of the disk. [ 8.822712] Registering SWP/SWPB emulation handler [ 8.828789] GPT:29296874 != 30863359 [ 8.834917] Loading compiled-in X.509 certificates [ 8.837277] GPT: Use GNU Parted to correct GPT errors. [ 8.847454] mmcblk2: p1 p2 p3 [ 9.028133] panel-simple panel-lcd: supply power not found, using dummy regulator [ 9.036587] panel-simple panel-lcd: Specify missing connector_type [ 9.049879] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 9.086643] imx_usb 2184200.usb: No over current polarity defined [ 9.099929] ci_hdrc ci_hdrc.1: EHCI Host Controller [ 9.105164] ci_hdrc ci_hdrc.1: new USB bus registered, assigned bus number 1 [ 9.137072] ci_hdrc ci_hdrc.1: USB 2.0 started, EHCI 1.00 [ 9.158104] hub 1-0:1.0: USB hub found [ 9.164552] hub 1-0:1.0: 1 port detected [ 9.181460] imx_thermal 20c8000.anatop:tempmon: Automotive CPU temperature grade - max:125C critical:120C passive:115C [ 9.213975] panel-simple panel-lcd: supply power not found, using dummy regulator [ 9.222385] panel-simple panel-lcd: Specify missing connector_type [ 9.235692] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 9.267014] panel-simple panel-lcd: supply power not found, using dummy regulator [ 9.275299] panel-simple panel-lcd: Specify missing connector_type [ 9.288878] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 9.308150] input: gpio-keys as /devices/platform/gpio-keys/input/input0 [ 9.337866] panel-simple panel-lcd: supply power not found, using dummy regulator [ 9.346237] panel-simple panel-lcd: Specify missing connector_type [ 9.359594] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 9.381836] Micrel KSZ9021 Gigabit PHY 2188000.ethernet-1:07: attached PHY driver [Micrel KSZ9021 Gigabit PHY] (mii_bus:phy_addr=2188000.ethernet-1:07, irq=POLL) [ 9.397216] IP-Config: Failed to open gretap0 [ 9.401622] IP-Config: Failed to open erspan0 [ 9.436425] Sending DHCP requests . [ 9.556965] usb 1-1: new high-speed USB device number 2 using ci_hdrc [ 9.776014] hub 1-1:1.0: USB hub found [ 9.780446] hub 1-1:1.0: 3 ports detected [ 9.811357] panel-simple panel-lcd: supply power not found, using dummy regulator [ 9.819728] panel-simple panel-lcd: Specify missing connector_type [ 9.833254] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 12.216658] . [ 12.558249] fec 2188000.ethernet eth0: Link is Up - 1Gbps/Full - flow control off [ 12.569630] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready [ 17.086658] ., OK [ 17.139026] IP-Config: Got DHCP answer from 192.168.201.1, my address is 192.168.201.34 [ 17.147276] IP-Config: Complete: [ 17.150590] device=eth0, hwaddr=00:19:b8:08:f1:10, ipaddr=192.168.201.34, mask=255.255.255.0, gw=192.168.201.1 [ 17.161123] host=imx6q-sabrelite-lava-cbg-4, domain=lava-rack, nis-domain=(none) [ 17.169019] bootserver=192.168.201.1, rootserver=192.168.201.1, rootpath= [ 17.169037] nameserver0=192.168.201.1 [ 17.232228] Freeing unused kernel memory: 2048K [ 17.238347] Run /init as init process Loading, please wait... Starting version 247.3-7+deb11u1 [ 21.273409] imx-ipuv3 2400000.ipu: IPUv3H probed [ 21.304296] imx-ipuv3 2800000.ipu: IPUv3H probed [ 21.309383] panel-simple panel-lcd: supply power not found, using dummy regulator [ 21.325770] panel-simple panel-lcd: Specify missing connector_type [ 21.341233] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 21.393863] panel-simple panel-lcd: supply power not found, using dummy regulator [ 21.402479] CAN device driver interface [ 21.403057] panel-simple panel-lcd: Specify missing connector_type [ 21.434497] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 21.469205] panel-simple panel-lcd: supply power not found, using dummy regulator [ 21.477633] panel-simple panel-lcd: Specify missing connector_type [ 21.491281] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 21.592648] caam 2100000.crypto: Entropy delay = 3200 [ 21.600302] etnaviv etnaviv: bound 130000.gpu (ops gpu_ops [etnaviv]) [ 21.621919] etnaviv etnaviv: bound 134000.gpu (ops gpu_ops [etnaviv]) [ 21.646764] etnaviv etnaviv: bound 2204000.gpu (ops gpu_ops [etnaviv]) [ 21.653381] etnaviv-gpu 130000.gpu: model: GC2000, revision: 5108 [ 21.658699] caam 2100000.crypto: Instantiated RNG4 SH0 [ 21.719466] caam 2100000.crypto: Instantiated RNG4 SH1 [ 21.724666] caam 2100000.crypto: device ID = 0x0a16010000000000 (Era 4) [ 21.731438] caam 2100000.crypto: job rings = 2, qi = 0 [ 21.767733] usb_phy_generic usbphynop1: supply vcc not found, using dummy regulator [ 21.774169] panel-simple panel-lcd: supply power not found, using dummy regulator [ 21.776225] usb_phy_generic usbphynop1: dummy supplies not allowed for exclusive requests [ 21.783845] panel-simple panel-lcd: Specify missing connector_type [ 21.791992] usb_phy_generic usbphynop2: supply vcc not found, using dummy regulator [ 21.802980] sgtl5000 0-000a: sgtl5000 revision 0x11 [ 21.806059] usb_phy_generic usbphynop2: dummy supplies not allowed for exclusive requests [ 21.808373] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 21.833421] sgtl5000 0-000a: Using internal LDO instead of VDDD: check ER1 erratum [ 21.844951] panel-simple panel-lcd: supply power not found, using dummy regulator [ 21.854571] panel-simple panel-lcd: Specify missing connector_type [ 21.868540] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 21.908100] etnaviv-gpu 134000.gpu: model: GC320, revision: 5007 [ 21.914879] etnaviv-gpu 2204000.gpu: model: GC355, revision: 1215 [ 21.921244] etnaviv-gpu 2204000.gpu: Ignoring GPU with VG and FE2.0 [ 21.931067] [drm] Initialized etnaviv 1.3.0 20151214 for etnaviv on minor 1 [ 21.936597] panel-simple panel-lcd: supply power not found, using dummy regulator [ 21.946655] panel-simple panel-lcd: Specify missing connector_type [ 21.951657] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) [ 21.965585] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) [ 21.974515] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) [ 21.984423] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 21.990670] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) [ 22.068084] panel-simple panel-lcd: supply power not found, using dummy regulator [ 22.076547] panel-simple panel-lcd: Specify missing connector_type [ 22.108421] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 22.185751] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) [ 22.195073] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) [ 22.203704] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) [ 22.212192] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) [ 22.565404] caam algorithms registered in /proc/crypto [ 22.582123] caam 2100000.crypto: registering rng-caam [ 22.603405] panel-simple panel-lcd: supply power not found, using dummy regulator [ 22.611924] panel-simple panel-lcd: Specify missing connector_type [ 22.626426] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 22.659604] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) [ 22.668176] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) [ 22.676757] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) [ 22.685184] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) [ 22.711261] panel-simple panel-lcd: supply power not found, using dummy regulator [ 22.719734] panel-simple panel-lcd: Specify missing connector_type [ 22.744648] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 22.770858] random: crng init done [ 22.783013] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) [ 22.791598] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) [ 22.800186] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) [ 22.808675] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) Begin: Loading essential drivers ... done. Begin: Running /scripts/init-premount ... done. Begin: Mounting root file system ... Begin: Running /scripts/nfs-top ... done. Begin: Running /scripts/nfs-premount ... Waiting up to 60 secs for any ethernet to become available Device /sys/class/net/erspan0 found done. IP-Config: erspan0 hardware address 00:00:00:00:00:00 mtu 1450 DHCP SIOCSIFFLAGS: Cannot assign requested address IP-Config: eth0 hardware address 00:19:b8:08:f1:10 mtu 1500 DHCP IP-Config: gretap0 hardware address 00:00:00:00:00:00 mtu 1462 DHCP SIOCSIFFLAGS: Cannot assign requested address IP-Config: eth0 complete (dhcp from 192.168.201.1): address: 192.168.201.34 broadcast: 192.168.201.255 netmask: 255.255.255.0 gateway: 192.168.201.1 dns0 : 192.168.201.1 dns1 : 0.0.0.0 host : imx6q-sabrelite-lava-cbg-4 domain : lava-rack rootserver: 192.168.201.1 rootpath: filename : done. Begin: Running /scripts/nfs-bottom ... done. Begin: Running /scripts/init-bottom ... done. [ 25.277282] systemd[1]: System time before build time, advancing clock. [ 25.515611] systemd[1]: systemd 247.3-7+deb11u1 running in system mode. (+PAM +AUDIT +SELINUX +IMA +APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL +XZ +LZ4 +ZSTD +SECCOMP +BLKID +ELFUTILS +KMOD +IDN2 -IDN +PCRE2 default-hierarchy=unified) [ 25.554235] systemd[1]: Detected architecture arm. Welcome to Debian GNU/Linux 11 (bullseye)! [ 25.614832] systemd[1]: Set hostname to . [ 27.314981] systemd[1]: Queued start job for default target Graphical Interface. [ 27.329651] systemd[1]: Created slice system-getty.slice. [ OK ] Created slice system-getty.slice. [ 27.372195] systemd[1]: Created slice system-modprobe.slice. [ OK ] Created slice system-modprobe.slice. [ 27.422153] systemd[1]: Created slice system-serial\x2dgetty.slice. [ OK ] Created slice system-serial\x2dgetty.slice. [ 27.471388] systemd[1]: Created slice User and Session Slice. [ OK ] Created slice User and Session Slice. [ 27.521170] systemd[1]: Started Dispatch Password Requests to Console Directory Watch. [ OK ] Started Dispatch Password …ts to Console Directory Watch. [ 27.580316] systemd[1]: Started Forward Password Requests to Wall Directory Watch. [ OK ] Started Forward Password R…uests to Wall Directory Watch. [ 27.629384] systemd[1]: Condition check resulted in Arbitrary Executable File Formats File System Automount Point being skipped. [ 27.642419] systemd[1]: Reached target Local Encrypted Volumes. [ OK ] Reached target Local Encrypted Volumes. [ 27.687992] systemd[1]: Reached target Paths. [ OK ] Reached target Paths. [ 27.727220] systemd[1]: Reached target Remote File Systems. [ OK ] Reached target Remote File Systems. [ 27.767355] systemd[1]: Reached target Slices. [ OK ] Reached target Slices. [ 27.808730] systemd[1]: Reached target Swap. [ OK ] Reached target Swap. [ 27.849002] systemd[1]: Listening on initctl Compatibility Named Pipe. [ OK ] Listening on initctl Compatibility Named Pipe. [ 27.953437] systemd[1]: Condition check resulted in Journal Audit Socket being skipped. [ 27.968849] systemd[1]: Listening on Journal Socket (/dev/log). [ OK ] Listening on Journal Socket (/dev/log). [ 28.013537] systemd[1]: Listening on Journal Socket. [ OK ] Listening on Journal Socket. [ 28.064043] systemd[1]: Listening on Network Service Netlink Socket. [ OK ] Listening on Network Service Netlink Socket. [ 28.118602] systemd[1]: Listening on udev Control Socket. [ OK ] Listening on udev Control Socket. [ 28.162037] systemd[1]: Listening on udev Kernel Socket. [ OK ] Listening on udev Kernel Socket. [ 28.210769] systemd[1]: Condition check resulted in Huge Pages File System being skipped. [ 28.221159] systemd[1]: Condition check resulted in POSIX Message Queue File System being skipped. [ 28.242667] systemd[1]: Mounting Kernel Debug File System... Mounting Kernel Debug File System... [ 28.288601] systemd[1]: Mounting Kernel Trace File System... Mounting Kernel Trace File System... [ 28.342686] systemd[1]: Starting Create list of static device nodes for the current kernel... Starting Create list of st…odes for the current kernel... [ 28.419312] systemd[1]: Starting Load Kernel Module configfs... Starting Load Kernel Module configfs... [ 28.468528] systemd[1]: Starting Load Kernel Module drm... Starting Load Kernel Module drm... [ 28.519193] systemd[1]: Starting Load Kernel Module fuse... Starting Load Kernel Module fuse... [ 28.566996] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped. [ 28.600381] systemd[1]: Starting Journal Service... [ 28.602845] fuse: init (API version 7.32) Starting Journal Service... [ 28.657476] systemd[1]: Starting Load Kernel Modules... Starting Load Kernel Modules... [ 28.710403] systemd[1]: Starting Remount Root and Kernel File Systems... Starting Remount Root and Kernel File Systems... [ 28.757247] systemd[1]: Starting Coldplug All udev Devices... Starting Coldplug All udev Devices... [ 28.818552] systemd[1]: Mounted Kernel Debug File System. [ OK ] Mounted Kernel Debug File System. [ 28.860024] systemd[1]: Mounted Kernel Trace File System. [ OK ] Mounted Kernel Trace File System. [ 28.915401] systemd[1]: Finished Create list of static device nodes for the current kernel. [ OK ] Finished Create list of st… nodes for the current kernel. [ 29.009050] systemd[1]: modprobe@configfs.service: Succeeded. [ 29.019461] systemd[1]: Finished Load Kernel Module configfs. [ OK ] Finished Load Kernel Module configfs. [ 29.073142] systemd[1]: modprobe@drm.service: Succeeded. [ 29.083066] systemd[1]: Finished Load Kernel Module drm. [ OK ] Finished Load Kernel Module drm. [ 29.122458] systemd[1]: modprobe@fuse.service: Succeeded. [ 29.132497] systemd[1]: Finished Load Kernel Module fuse. [ OK ] Finished Load Kernel Module fuse. [ 29.182896] systemd[1]: Finished Load Kernel Modules. [ OK ] Finished Load Kernel Modules. [ 29.232415] systemd[1]: Finished Remount Root and Kernel File Systems. [ OK ] Finished Remount Root and Kernel File Systems. [ 29.300246] systemd[1]: Mounting FUSE Control File System... Mounting FUSE Control File System... [ 29.356242] systemd[1]: Mounting Kernel Configuration File System... Mounting Kernel Configuration File System... [ 29.404840] systemd[1]: Condition check resulted in Rebuild Hardware Database being skipped. [ 29.414643] systemd[1]: Condition check resulted in Platform Persistent Storage Archival being skipped. [ 29.434817] systemd[1]: Starting Load/Save Random Seed... Starting Load/Save Random Seed... [ 29.486769] systemd[1]: Starting Apply Kernel Variables... Starting Apply Kernel Variables... [ 29.547839] systemd[1]: Starting Create System Users... Starting Create System Users... [ 29.574188] systemd[1]: Started Journal Service. [ OK ] Started Journal Service. [ OK ] Mounted FUSE Control File System. [ OK ] Mounted Kernel Configuration File System. [ OK ] Finished Load/Save Random Seed. [ OK ] Finished Apply Kernel Variables. [ OK ] Finished Create System Users. Starting Flush Journal to Persistent Storage... Starting Create Static Device Nodes in /dev... [ 30.009205] systemd-journald[281]: Received client request to flush runtime journal. [ OK ] Finished Create Static Device Nodes in /dev. [ OK ] Reached target Local File Systems (Pre). [ OK ] Reached target Local File Systems. Starting Rule-based Manage…for Device Events and Files... [ OK ] Finished Flush Journal to Persistent Storage. Starting Create Volatile Files and Directories... [ OK ] Started Rule-based Manager for Device Events and Files. Starting Network Service... [ OK ] Finished Create Volatile Files and Directories. Starting Network Time Synchronization... Starting Update UTMP about System Boot/Shutdown... [ OK ] Started Network Service. Starting Network Name Resolution... [ OK ] Finished Update UTMP about System Boot/Shutdown. [ OK ] Started Network Time Synchronization. [ OK ] Reached target System Time Set. [ OK ] Reached target System Time Synchronized. [ OK ] Started Network Name Resolution. [ OK ] Reached target Network. [ OK ] Reached target Host and Network Name Lookups. [ OK ] Reached target Hardware activated USB gadget. [ OK ] Found device /dev/ttymxc1. [ OK ] Finished Coldplug All udev Devices. [ OK ] Reached target System Initialization. [ OK ] Started Daily apt download activities. [ OK ] Started Daily apt upgrade and clean activities. [ OK ] Started Periodic ext4 Onli…ata Check for All Filesystems. [ OK ] Started Discard unused blocks once a week. [ OK ] Started Daily Cleanup of Temporary Directories. [ OK ] Reached target Timers. [ OK ] Listening on D-Bus System Message Bus Socket. [ OK ] Reached target Sockets. [ OK ] Reached target Basic System. [ OK ] Started D-Bus System Message Bus. Starting Remove Stale Onli…t4 Metadata Check Snapshots... Starting User Login Management... Starting Permit User Sessions... [ OK ] Finished Permit User Sessions. [ OK ] Finished Remove Stale Onli…ext4 Metadata Check Snapshots. [ OK ] Started User Login Management. [ OK ] Listening on Load/Save RF …itch Status /dev/rfkill Watch. [ OK ] Started Getty on tty1. [ OK ] Started Serial Getty on ttymxc1. [ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Finished Update UTMP about System Runlevel Changes. Debian GNU/Linux 11 debian-bullseye-armhf ttymxc1 debian-bullseye-armhf login: root (automatic login) Linux debian-bullseye-armhf 5.10.162-cip23 #1 SMP Wed Jan 4 11:56:45 UTC 2023 armv7l The programs included with the Debian GNU/Linux system are free software; the exact distribution terms for each program are described in the individual files in /usr/share/doc/*/copyright. Debian GNU/Linux comes with ABSOLUTELY NO WARRANTY, to the extent permitted by applicable law. / # / # export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/8570582/extract-nfsrootfs-y3_lk7vm' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/8570582/extract-nfsrootfs-y3_lk7vm' / # export NFS_SERVER_IP='192.168.201.1' export NFS_SERVER_IP='192.168.201.1' / # # # / # export SHELL=/bin/bash export SHELL=/bin/bash / # . /lava-8570582/environment . /lava-8570582/environment / # /lava-8570582/bin/lava-test-runner /lava-8570582/0 /lava-8570582/bin/lava-test-runner /lava-8570582/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-8570582/0/tests/0_timesync-off ++ cat uuid + UUID=8570582_1.6.2.4.1 + set +x + systemctl stop systemd-timesyncd + set +x + export TESTRUN_ID=1_kselftest-lkdtm + TESTRUN_ID=1_kselftest-lkdtm + cd /lava-8570582/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=8570582_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-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.161-cip23-65-gca8c192cb189/arm/multi_v7_defconfig+kselftest/gcc-10/kselftest.tar.xz -L '' -S skipfile-lkft.yaml -b imx6q-sabrelite -g cip-gitlab -e '' -p /opt/kselftests/mainline/ -n 1 -i 1 INFO: Generating a skipfile based on /lava-8570582/0/tests/1_kselftest-lkdtm/automated/linux/kselftest/skipfile-lkft.yaml INFO: Using the following generated skipfile contents (until EOF): breakpoints:breakpoint_test breakpoints:step_after_suspend_test ftrace:ftracetest net:rtnetlink.sh net:tls netfilter:bridge_brouter.sh netfilter:nft_flowtable.sh netfilter:nft_trans_stress.sh pidfd:pidfd_wait INFO: EOF INFO: Installing sed perl wget xz-utils iproute2 Hit:1 http://deb.debian.org/debian bullseye InRelease Reading package lists... Reading package lists... Building dependency tree... Reading state information... iproute2 is already the newest version (5.10.0-4). perl is already the newest version (5.32.1-4+deb11u2). sed is already the newest version (4.7-1). wget is already the newest version (1.21-1+deb11u1). xz-utils is already the newest version (5.2.5-2.1~deb11u1). 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded. --2023-01-04 12:19:33-- http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.161-cip23-65-gca8c192cb189/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: 1407780 (1.3M) [application/octet-stream] Saving to: 'kselftest.tar.xz' kselftest.tar.xz 0%[ ] 0 --.-KB/s kselftest.tar.xz 2%[ ] 28.94K 101KB/s kselftest.tar.xz 6%[> ] 90.23K 158KB/s kselftest.tar.xz 10%[=> ] 143.96K 167KB/s kselftest.tar.xz 14%[=> ] 192.97K 167KB/s kselftest.tar.xz 17%[==> ] 241.05K 167KB/s kselftest.tar.xz 19%[==> ] 265.57K 153KB/s kselftest.tar.xz 21%[===> ] 289.61K 143KB/s kselftest.tar.xz 22%[===> ] 313.65K 136KB/s kselftest.tar.xz 24%[===> ] 330.62K 132KB/s kselftest.tar.xz 25%[====> ] 349.00K 127KB/s kselftest.tar.xz 27%[====> ] 376.80K 118KB/s eta 8s kselftest.tar.xz 29%[====> ] 401.32K 117KB/s eta 8s kselftest.tar.xz 30%[=====> ] 420.64K 115KB/s eta 8s kselftest.tar.xz 32%[=====> ] 440.43K 110KB/s eta 8s kselftest.tar.xz 33%[=====> ] 460.71K 108KB/s eta 8s kselftest.tar.xz 35%[======> ] 481.92K 107KB/s eta 8s kselftest.tar.xz 36%[======> ] 497.48K 106KB/s eta 8s kselftest.tar.xz 38%[======> ] 522.93K 106KB/s eta 8s kselftest.tar.xz 39%[======> ] 539.90K 106KB/s eta 8s kselftest.tar.xz 41%[=======> ] 565.35K 99.4KB/s eta 8s kselftest.tar.xz 42%[=======> ] 582.32K 93.4KB/s eta 8s kselftest.tar.xz 44%[=======> ] 610.60K 90.2KB/s eta 8s kselftest.tar.xz 45%[========> ] 630.40K 85.8KB/s eta 8s kselftest.tar.xz 48%[========> ] 662.92K 89.0KB/s eta 8s kselftest.tar.xz 49%[========> ] 685.55K 89.9KB/s eta 6s kselftest.tar.xz 53%[=========> ] 729.39K 95.1KB/s eta 6s kselftest.tar.xz 55%[==========> ] 768.98K 99.5KB/s eta 6s kselftest.tar.xz 58%[==========> ] 805.75K 107KB/s eta 6s kselftest.tar.xz 61%[===========> ] 843.92K 111KB/s eta 5s kselftest.tar.xz 63%[===========> ] 871.72K 113KB/s eta 5s kselftest.tar.xz 67%[============> ] 924.53K 123KB/s eta 5s kselftest.tar.xz 68%[============> ] 942.42K 120KB/s eta 5s kselftest.tar.xz 71%[=============> ] 978.26K 125KB/s eta 3s kselftest.tar.xz 73%[=============> ] 1008K 128KB/s eta 3s kselftest.tar.xz 74%[=============> ] 1.00M 128KB/s eta 3s kselftest.tar.xz 77%[==============> ] 1.03M 130KB/s eta 3s kselftest.tar.xz 78%[==============> ] 1.06M 131KB/s eta 3s kselftest.tar.xz 81%[===============> ] 1.10M 133KB/s eta 2s kselftest.tar.xz 84%[===============> ] 1.14M 137KB/s eta 2s kselftest.tar.xz 87%[================> ] 1.17M 137KB/s eta 2s kselftest.tar.xz 89%[================> ] 1.21M 141KB/s eta 2s kselftest.tar.xz 93%[=================> ] 1.25M 141KB/s eta 2s kselftest.tar.xz 96%[==================> ] 1.29M 143KB/s eta 0s kselftest.tar.xz 99%[==================> ] 1.33M 145KB/s eta 0s kselftest.tar.xz 100%[===================>] 1.34M 145KB/s in 11s 2023-01-04 12:19:45 (124 KB/s) - 'kselftest.tar.xz' saved [1407780/1407780] skiplist: ======================================== breakpoints:breakpoint_test breakpoints:step_after_suspend_test ftrace:ftracetest net:rtnetlink.sh net:tls netfilter:bridge_brouter.sh netfilter:nft_flowtable.sh netfilter:nft_trans_stress.sh pidfd:pidfd_wait ======================================== lkdtm:PANIC.sh lkdtm:BUG.sh lkdtm:WARNING.sh lkdtm:WARNING_MESSAGE.sh lkdtm:EXCEPTION.sh lkdtm:LOOP.sh lkdtm:EXHAUST_STACK.sh lkdtm:CORRUPT_STACK.sh lkdtm:CORRUPT_STACK_STRONG.sh lkdtm:CORRUPT_LIST_ADD.sh lkdtm:CORRUPT_LIST_DEL.sh lkdtm:STACK_GUARD_PAGE_LEADING.sh lkdtm:STACK_GUARD_PAGE_TRAILING.sh lkdtm:UNSET_SMEP.sh lkdtm:DOUBLE_FAULT.sh lkdtm:CORRUPT_PAC.sh lkdtm:UNALIGNED_LOAD_STORE_WRITE.sh lkdtm:OVERWRITE_ALLOCATION.sh lkdtm:WRITE_AFTER_FREE.sh lkdtm:READ_AFTER_FREE.sh lkdtm:WRITE_BUDDY_AFTER_FREE.sh lkdtm:READ_BUDDY_AFTER_FREE.sh lkdtm:SLAB_FREE_DOUBLE.sh lkdtm:SLAB_FREE_CROSS.sh lkdtm:SLAB_FREE_PAGE.sh lkdtm:SOFTLOCKUP.sh lkdtm:HARDLOCKUP.sh lkdtm:SPINLOCKUP.sh lkdtm:HUNG_TASK.sh lkdtm:EXEC_DATA.sh lkdtm:EXEC_STACK.sh lkdtm:EXEC_KMALLOC.sh lkdtm:EXEC_VMALLOC.sh lkdtm:EXEC_RODATA.sh lkdtm:EXEC_USERSPACE.sh lkdtm:EXEC_NULL.sh lkdtm:ACCESS_USERSPACE.sh lkdtm:ACCESS_NULL.sh lkdtm:WRITE_RO.sh lkdtm:WRITE_RO_AFTER_INIT.sh lkdtm:WRITE_KERN.sh lkdtm:REFCOUNT_INC_OVERFLOW.sh lkdtm:REFCOUNT_ADD_OVERFLOW.sh lkdtm:REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_DEC_ZERO.sh lkdtm:REFCOUNT_DEC_NEGATIVE.sh lkdtm:REFCOUNT_DEC_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_SUB_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_INC_ZERO.sh lkdtm:REFCOUNT_ADD_ZERO.sh lkdtm:REFCOUNT_INC_SATURATED.sh lkdtm:REFCOUNT_DEC_SATURATED.sh lkdtm:REFCOUNT_ADD_SATURATED.sh lkdtm:REFCOUNT_INC_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_DEC_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_SUB_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_TIMING.sh lkdtm:ATOMIC_TIMING.sh lkdtm:USERCOPY_HEAP_SIZE_TO.sh lkdtm:USERCOPY_HEAP_SIZE_FROM.sh lkdtm:USERCOPY_HEAP_WHITELIST_TO.sh lkdtm:USERCOPY_HEAP_WHITELIST_FROM.sh lkdtm:USERCOPY_STACK_FRAME_TO.sh lkdtm:USERCOPY_STACK_FRAME_FROM.sh lkdtm:USERCOPY_STACK_BEYOND.sh lkdtm:USERCOPY_KERNEL.sh lkdtm:STACKLEAK_ERASING.sh lkdtm:CFI_FORWARD_PROTO.sh ============== Tests to run =============== lkdtm:PANIC.sh lkdtm:BUG.sh lkdtm:WARNING.sh lkdtm:WARNING_MESSAGE.sh lkdtm:EXCEPTION.sh lkdtm:LOOP.sh lkdtm:EXHAUST_STACK.sh lkdtm:CORRUPT_STACK.sh lkdtm:CORRUPT_STACK_STRONG.sh lkdtm:CORRUPT_LIST_ADD.sh lkdtm:CORRUPT_LIST_DEL.sh lkdtm:STACK_GUARD_PAGE_LEADING.sh lkdtm:STACK_GUARD_PAGE_TRAILING.sh lkdtm:UNSET_SMEP.sh lkdtm:DOUBLE_FAULT.sh lkdtm:CORRUPT_PAC.sh lkdtm:UNALIGNED_LOAD_STORE_WRITE.sh lkdtm:OVERWRITE_ALLOCATION.sh lkdtm:WRITE_AFTER_FREE.sh lkdtm:READ_AFTER_FREE.sh lkdtm:WRITE_BUDDY_AFTER_FREE.sh lkdtm:READ_BUDDY_AFTER_FREE.sh lkdtm:SLAB_FREE_DOUBLE.sh lkdtm:SLAB_FREE_CROSS.sh lkdtm:SLAB_FREE_PAGE.sh lkdtm:SOFTLOCKUP.sh lkdtm:HARDLOCKUP.sh lkdtm:SPINLOCKUP.sh lkdtm:HUNG_TASK.sh lkdtm:EXEC_DATA.sh lkdtm:EXEC_STACK.sh lkdtm:EXEC_KMALLOC.sh lkdtm:EXEC_VMALLOC.sh lkdtm:EXEC_RODATA.sh lkdtm:EXEC_USERSPACE.sh lkdtm:EXEC_NULL.sh lkdtm:ACCESS_USERSPACE.sh lkdtm:ACCESS_NULL.sh lkdtm:WRITE_RO.sh lkdtm:WRITE_RO_AFTER_INIT.sh lkdtm:WRITE_KERN.sh lkdtm:REFCOUNT_INC_OVERFLOW.sh lkdtm:REFCOUNT_ADD_OVERFLOW.sh lkdtm:REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_DEC_ZERO.sh lkdtm:REFCOUNT_DEC_NEGATIVE.sh lkdtm:REFCOUNT_DEC_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_SUB_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_INC_ZERO.sh lkdtm:REFCOUNT_ADD_ZERO.sh lkdtm:REFCOUNT_INC_SATURATED.sh lkdtm:REFCOUNT_DEC_SATURATED.sh lkdtm:REFCOUNT_ADD_SATURATED.sh lkdtm:REFCOUNT_INC_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_DEC_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_SUB_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_TIMING.sh lkdtm:ATOMIC_TIMING.sh lkdtm:USERCOPY_HEAP_SIZE_TO.sh lkdtm:USERCOPY_HEAP_SIZE_FROM.sh lkdtm:USERCOPY_HEAP_WHITELIST_TO.sh lkdtm:USERCOPY_HEAP_WHITELIST_FROM.sh lkdtm:USERCOPY_STACK_FRAME_TO.sh lkdtm:USERCOPY_STACK_FRAME_FROM.sh lkdtm:USERCOPY_STACK_BEYOND.sh lkdtm:USERCOPY_KERNEL.sh lkdtm:STACKLEAK_ERASING.sh lkdtm:CFI_FORWARD_PROTO.sh ===========End Tests to run =============== [ 93.913976] 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 [ 94.771409] lkdtm: Performing direct entry BUG [ 94.776181] ------------[ cut here ]------------ [ 94.780820] kernel BUG at drivers/misc/lkdtm/bugs.c:76! [ 94.786070] Internal error: Oops - BUG: 0 [#1] SMP ARM [ 94.791231] 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 imx_ldb flexcan can_dev dw_hdmi_imx etnaviv dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 [ 94.820524] CPU: 1 PID: 812 Comm: cat Not tainted 5.10.162-cip23 #1 [ 94.826813] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 94.833376] PC is at lkdtm_BUG+0x14/0x18 [ 94.837328] LR is at lkdtm_do_action+0x2c/0x4c [ 94.841796] pc : [] lr : [] psr: a00e0013 [ 94.848084] sp : c6bbbe58 ip : c6bbbe68 fp : c6bbbe64 [ 94.853332] r10: 00000004 r9 : c1accccc r8 : c15e8704 [ 94.858580] r7 : c6bbbf60 r6 : 00000004 r5 : c5f93000 r4 : 00000001 [ 94.865128] r3 : c0c335ac r2 : 481c8be2 r1 : ef7965e0 r0 : c15e870c [ 94.871681] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 94.878840] Control: 10c5387d Table: 16ebc04a DAC: 00000051 [ 94.884612] Process cat (pid: 812, stack limit = 0xf1e0903f) [ 94.890295] Stack: (0xc6bbbe58 to 0xc6bbc000) [ 94.894680] be40: c6bbbe74 c6bbbe68 [ 94.902891] be60: c0c33040 c0c335b8 c6bbbe9c c6bbbe78 c0c33540 c0c33020 c0c33420 c5811400 [ 94.911099] be80: b6e46000 00000004 c5357900 c6bbbf60 c6bbbec4 c6bbbea0 c07e0650 c0c3342c [ 94.919307] bea0: 00000000 c5811400 b6e46000 c2816000 c6bbbf60 c07e05ec c6bbbf5c c6bbbec8 [ 94.927515] bec0: c0598d04 c07e05f8 00000001 00000000 c0599298 c13732e0 c0599298 c6bba000 [ 94.935725] bee0: b6e46000 00020000 00000004 00000004 0001fffc c6bbbee0 00000001 b6e45000 [ 94.943932] bf00: c448c8c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 94.952139] bf20: 00000000 00000000 c13732e0 481c8be2 c205c620 c5811400 c5811400 c6bba000 [ 94.960346] bf40: b6e46000 00000000 00000000 00000004 c6bbbf94 c6bbbf60 c0599298 c0598c04 [ 94.968556] bf60: 00000000 00000000 c6bbbfac 481c8be2 00000004 00000004 b6f8de00 00000004 [ 94.976764] bf80: c03002e4 c6bba000 c6bbbfa4 c6bbbf98 c0599328 c0599230 00000000 c6bbbfa8 [ 94.984972] bfa0: c03000c0 c059931c 00000004 00000004 00000001 b6e46000 00000004 00000000 [ 94.993179] bfc0: 00000004 00000004 b6f8de00 00000004 00000001 00000000 00020000 be82ca64 [ 95.001388] bfe0: 00000004 be82c798 b6ef84cf b6e7e7e6 800e0030 00000001 00000000 00000000 [ 95.009582] Backtrace: [ 95.012079] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) [ 95.019686] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 95.027731] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 95.035683] r9:c6bbbf60 r8:c5357900 r7:00000004 r6:b6e46000 r5:c5811400 r4:c0c33420 [ 95.043469] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 95.051331] r9:c07e05ec r8:c6bbbf60 r7:c2816000 r6:b6e46000 r5:c5811400 r4:00000000 [ 95.059109] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 95.066275] r10:00000004 r9:00000000 r8:00000000 r7:b6e46000 r6:c6bba000 r5:c5811400 [ 95.074123] r4:c5811400 [ 95.076691] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 95.083858] r9:c6bba000 r8:c03002e4 r7:00000004 r6:b6f8de00 r5:00000004 r4:00000004 [ 95.091637] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 95.099228] Exception stack(0xc6bbbfa8 to 0xc6bbbff0) [ 95.104308] bfa0: 00000004 00000004 00000001 b6e46000 00000004 00000000 [ 95.112515] bfc0: 00000004 00000004 b6f8de00 00000004 00000001 00000000 00020000 be82ca64 [ 95.120716] bfe0: 00000004 be82c798 b6ef84cf b6e7e7e6 [ 95.125800] Code: e92dd800 e24cb004 e52de004 e8bd4000 (e7f001f2) [ 95.131926] ---[ end trace 602be0240ace6245 ]--- [ 95.136573] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 95.145472] in_atomic(): 0, irqs_disabled(): 128, non_block: 0, pid: 812, name: cat [ 95.153145] INFO: lockdep is turned off. [ 95.157086] irq event stamp: 1592 [ 95.160445] hardirqs last enabled at (1591): [] console_unlock+0x4b0/0x6c0 [ 95.168308] hardirqs last disabled at (1592): [] __und_svc+0x60/0x6c [ 95.175567] softirqs last enabled at (1088): [] release_sock+0x8c/0xa8 [ 95.183078] softirqs last disabled at (1086): [] release_sock+0x28/0xa8 [ 95.190592] CPU: 1 PID: 812 Comm: cat Tainted: G D 5.10.162-cip23 #1 [ 95.198269] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 95.204815] Backtrace: [ 95.207319] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 95.214918] r7:ffffffff r6:600e0093 r5:00000000 r4:c1f0f6f8 [ 95.220613] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 95.227967] [] (dump_stack) from [] (___might_sleep+0x1ac/0x2bc) [ 95.235743] r9:600e0093 r8:0000000b r7:c035bc18 r6:00000031 r5:c19c9360 r4:c6bba000 [ 95.243521] [] (___might_sleep) from [] (__might_sleep+0x70/0xb0) [ 95.251375] r6:00000000 r5:00000031 r4:c19c9360 [ 95.256040] [] (__might_sleep) from [] (exit_signals+0x4c/0x3fc) [ 95.263807] r6:00000001 r5:c6bba000 r4:c6d16c00 [ 95.268470] [] (exit_signals) from [] (do_exit+0x100/0xb38) [ 95.275809] r8:0000000b r7:c1e0facc r6:ffffe000 r5:00000000 r4:c6d16c00 [ 95.282547] [] (do_exit) from [] (die+0x370/0x37c) [ 95.289095] r7:c1e0facc [ 95.291660] [] (die) from [] (do_undefinstr+0x170/0x240) [ 95.298741] r10:00000004 r9:c6bba000 r8:c15e8704 r7:00000000 r6:c6bbbdc8 r5:c0c335c0 [ 95.306590] r4:e7f001f2 [ 95.309159] [] (do_undefinstr) from [] (__und_svc_finish+0x0/0x54) [ 95.317097] Exception stack(0xc6bbbdc8 to 0xc6bbbe10) [ 95.322180] bdc0: c15e870c ef7965e0 481c8be2 c0c335ac 00000001 c5f93000 [ 95.330389] bde0: 00000004 c6bbbf60 c15e8704 c1accccc 00000004 c6bbbe64 c6bbbe68 c6bbbe58 [ 95.338590] be00: c0c33040 c0c335c0 a00e0013 ffffffff [ 95.343668] r7:c6bbbdfc r6:ffffffff r5:a00e0013 r4:c0c335c4 [ 95.349362] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) [ 95.356965] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 95.365004] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 95.372953] r9:c6bbbf60 r8:c5357900 r7:00000004 r6:b6e46000 r5:c5811400 r4:c0c33420 [ 95.380731] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 95.388592] r9:c07e05ec r8:c6bbbf60 r7:c2816000 r6:b6e46000 r5:c5811400 r4:00000000 [ 95.396367] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 95.403533] r10:00000004 r9:00000000 r8:00000000 r7:b6e46000 r6:c6bba000 r5:c5811400 [ 95.411381] r4:c5811400 [ 95.413948] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 95.421113] r9:c6bba000 r8:c03002e4 r7:00000004 r6:b6f8de00 r5:00000004 r4:00000004 [ 95.428888] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 95.436479] Exception stack(0xc6bbbfa8 to 0xc6bbbff0) [ 95.441560] bfa0: 00000004 00000004 00000001 b6e46000 00000004 00000000 [ 95.449768] bfc0: 00000004 00000004 b6f8de00 00000004 00000001 00000000 00020000 be82ca64 [ 95.457970] bfe0: 00000004 be82c798 b6ef84cf b6e7e7e6 # Segmentation fault # [ 94.771409] lkdtm: Performing direct entry BUG # [ 94.776181] ------------[ cut here ]------------ # [ 94.780820] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 94.786070] Internal error: Oops - BUG: 0 [#1] SMP ARM # [ 94.791231] 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 imx_ldb flexcan can_dev dw_hdmi_imx etnaviv dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 # [ 94.820524] CPU: 1 PID: 812 Comm: cat Not tainted 5.10.162-cip23 #1 # [ 94.826813] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 94.833376] PC is at lkdtm_BUG+0x14/0x18 # [ 94.837328] LR is at lkdtm_do_action+0x2c/0x4c # [ 94.841796] pc : [] lr : [] psr: a00e0013 # [ 94.848084] sp : c6bbbe58 ip : c6bbbe68 fp : c6bbbe64 # [ 94.853332] r10: 00000004 r9 : c1accccc r8 : c15e8704 # [ 94.858580] r7 : c6bbbf60 r6 : 00000004 r5 : c5f93000 r4 : 00000001 # [ 94.865128] r3 : c0c335ac r2 : 481c8be2 r1 : ef7965e0 r0 : c15e870c # [ 94.871681] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 94.878840] Control: 10c5387d Table: 16ebc04a DAC: 00000051 # [ 94.884612] Process cat (pid: 812, stack limit = 0xf1e0903f) # [ 94.890295] Stack: (0xc6bbbe58 to 0xc6bbc000) # [ 94.894680] be40: c6bbbe74 c6bbbe68 # [ 94.902891] be60: c0c33040 c0c335b8 c6bbbe9c c6bbbe78 c0c33540 c0c33020 c0c33420 c5811400 # [ 94.911099] be80: b6e46000 00000004 c5357900 c6bbbf60 c6bbbec4 c6bbbea0 c07e0650 c0c3342c # [ 94.919307] bea0: 00000000 c5811400 b6e46000 c2816000 c6bbbf60 c07e05ec c6bbbf5c c6bbbec8 # [ 94.927515] bec0: c0598d04 c07e05f8 00000001 00000000 c0599298 c13732e0 c0599298 c6bba000 # [ 94.935725] bee0: b6e46000 00020000 00000004 00000004 0001fffc c6bbbee0 00000001 b6e45000 # [ 94.943932] bf00: c448c8c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 94.952139] bf20: 00000000 00000000 c13732e0 481c8be2 c205c620 c5811400 c5811400 c6bba000 # [ 94.960346] bf40: b6e46000 00000000 00000000 00000004 c6bbbf94 c6bbbf60 c0599298 c0598c04 # [ 94.968556] bf60: 00000000 00000000 c6bbbfac 481c8be2 00000004 00000004 b6f8de00 00000004 # [ 94.976764] bf80: c03002e4 c6bba000 c6bbbfa4 c6bbbf98 c0599328 c0599230 00000000 c6bbbfa8 # [ 94.984972] bfa0: c03000c0 c059931c 00000004 00000004 00000001 b6e46000 00000004 00000000 # [ 94.993179] bfc0: 00000004 00000004 b6f8de00 00000004 00000001 00000000 00020000 be82ca64 # [ 95.001388] bfe0: 00000004 be82c798 b6ef84cf b6e7e7e6 800e0030 00000001 00000000 00000000 # [ 95.009582] Backtrace: # [ 95.012079] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) # [ 95.019686] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 95.027731] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 95.035683] r9:c6bbbf60 r8:c5357900 r7:00000004 r6:b6e46000 r5:c5811400 r4:c0c33420 # [ 95.043469] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 95.051331] r9:c07e05ec r8:c6bbbf60 r7:c2816000 r6:b6e46000 r5:c5811400 r4:00000000 # [ 95.059109] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 95.066275] r10:00000004 r9:00000000 r8:00000000 r7:b6e46000 r6:c6bba000 r5:c5811400 # [ 95.074123] r4:c5811400 # [ 95.076691] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 95.083858] r9:c6bba000 r8:c03002e4 r7:00000004 r6:b6f8de00 r5:00000004 r4:00000004 # [ 95.091637] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 95.099228] Exception stack(0xc6bbbfa8 to 0xc6bbbff0) # [ 95.104308] bfa0: 00000004 00000004 00000001 b6e46000 00000004 00000000 # [ 95.112515] bfc0: 00000004 00000004 b6f8de00 00000004 00000001 00000000 00020000 be82ca64 # [ 95.120716] bfe0: 00000004 be82c798 b6ef84cf b6e7e7e6 # [ 95.125800] Code: e92dd800 e24cb004 e52de004 e8bd4000 (e7f001f2) # [ 95.131926] ---[ end trace 602be0240ace6245 ]--- # [ 95.136573] BUG: sleeping function called from inv[ 95.909710] lkdtm: Performing direct entry WARNING alid context at include/linux/per[ 95.914753] ------------[ cut here ]------------ cpu-rwsem.h:49 # [ 95.145472] [ 95.922527] WARNING: CPU: 1 PID: 883 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x48/0x4c in_atomic(): 0, irqs_disabled(): [ 95.933599] 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 imx_ldb flexcan can_dev dw_hdmi_imx etnaviv dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 128, non_block: 0, pid: 812, name[ 95.965362] CPU: 1 PID: 883 Comm: cat Tainted: G D W 5.10.162-cip23 #1 : cat # [ 95.153145] INFO: loc[ 95.975768] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) kdep is turned off. # [ 95.157[ 95.985156] Backtrace: 086] irq event stamp: 1592 # [ [ 95.990479] [] (dump_backtrace) from [] (show_stack+0x20/0x24) 95.160445] hardirqs last enable[ 96.000895] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f6f8 d at (1591): [] console[ 96.009416] [] (show_stack) from [] (dump_stack+0xe0/0x100) _unlock+0x4b0/0x6c0 # [ 95.168[ 96.019587] [] (dump_stack) from [] (__warn+0xfc/0x16c) 308] hardirqs last disabled at (1[ 96.029404] r9:00000009 r8:c0c3360c r7:00000053 r6:00000009 r5:c0c3360c r4:c1acd388 592): [] __und_svc+0x60[ 96.040008] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) /0x6c # [ 95.175567] softirqs [ 96.050346] r7:00000053 r6:c1acd388 r5:00000000 r4:c5c1a000 last enabled at (1088): [] (warn_slowpath_fmt) from [] (lkdtm_WARNING+0x48/0x4c) 74>] release_sock+0x8c/0xa8 # [ [ 96.069817] r9:c1acccd0 r8:c15e8704 r7:c5c1bf60 r6:00000008 r5:c5f93000 r4:00000002 95.183078] softirqs last disabl[ 96.080418] [] (lkdtm_WARNING) from [] (lkdtm_do_action+0x2c/0x4c) ed at (1086): [] releas[ 96.091196] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) e_sock+0x28/0xa8 # [ 95.190592[ 96.102064] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) ] CPU: 1 PID: 812 Comm: cat Taint[ 96.112834] r9:c5c1bf60 r8:c5357900 r7:00000008 r6:b6e60000 r5:c5b17e00 r4:c0c33420 ed: G D 5.10.162-c[ 96.123440] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) ip23 #1 # [ 95.198269] Hardwar[ 96.134124] r9:c07e05ec r8:c5c1bf60 r7:c2816000 r6:b6e60000 r5:c5b17e00 r4:00000000 e name: Freescale i.MX6 Quad/Dual[ 96.144725] [] (vfs_write) from [] (ksys_write+0x74/0xec) Lite (Device Tree) # [ 95.2048[ 96.154720] r10:00000004 r9:00000000 r8:00000000 r7:b6e60000 r6:c5c1a000 r5:c5b17e00 15] Backtrace: # [ 95.207319][ 96.165403] r4:c5b17e00 [] (dump_backtrace) fr[ 96.170803] [] (ksys_write) from [] (sys_write+0x18/0x1c) om [] (show_stack+0x20/[ 96.180796] r9:c5c1a000 r8:c03002e4 r7:00000004 r6:b6fa7e00 r5:00000008 r4:00000008 0x24) # [ 95.214918] r7:fffff[ 96.191402] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) fff r6:600e[ 96.201824] Exception stack(0xc5c1bfa8 to 0xc5c1bff0) [ 96.207830] bfa0: 00000008 00000008 00000001 b6e60000 00000008 00000000 [ 96.216015] bfc0: 00000008 00000008 b6fa7e00 00000004 00000001 00000000 00020000 bebefa64 [ 96.224199] bfe0: 00000004 bebef798 b6f124cf b6e987e6 [ 96.229298] irq event stamp: 0 00[ 96.232370] hardirqs last enabled at (0): [<00000000>] 0x0 [ 96.238143] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 93 r5:00000000 r4:c1f0f6f8[ 96.245641] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 [ 96.255411] softirqs last disabled at (0): [<00000000>] 0x0 # [ 95.220613] [] (sh[ 96.261185] ---[ end trace 602be0240ace6246 ]--- ow_stack) from [] (dump_stack+0xe0/0x100) # [ 95.227967] [] (dump_stack) from [] (___might_sleep+0x1ac/0x2bc) # [ 95.235743] r9:600e0093 r8:0000000b r7:c035bc18 r6:00000031 r5:c19c9360 r4:c6bba000 # [ 95.243521] [] (___might_sleep) from [] (__might_sleep+0x70/0xb0) # [ 95.251375] r6:00000000 r5:00000031 r4:c19c9360 # [ 95.256040] [] (__might_sleep) from [] (exit_signals+0x4c/0x3fc) # [ 95.263807] r6:00000001 r5:c6bba000 r4:c6d16c00 # [ 95.268470] [] (exit_signals) from [] (do_exit+0x100/0xb38) # [ 95.275809] r8:0000000b r7:c1e0facc r6:ffffe000 r5:00000000 r4:c6d16c00 # [ 95.282547] [] (do_exit) from [] (die+0x370/0x37c) # [ 95.289095] r7:c1e0facc # [ 95.291660] [] (die) from [] (do_undefinstr+0x170/0x240) # [ 95.298741] r10:00000004 r9:c6bba000 r8:c15e8704 r7:00000000 r6:c6bbbdc8 r5:c0c335c0 # [ 95.306590] r4:e7f001f2 # [ 95.309159] [] (do_undefinstr) from [] (__und_svc_finish+0x0/0x54) # [ 95.317097] Exception stack(0xc6bbbdc8 to 0xc6bbbe10) # [ 95.322180] bdc0: c15e870c ef7965e0 481c8be2 c0c335ac 00000001 c5f93000 # [ 95.330389] bde0: 00000004 c6bbbf60 c15e8704 c1accccc 00000004 c6bbbe64 c6bbbe68 c6bbbe58 # [ 95.338590] be00: c0c33040 c0c335c0 a00e0013 ffffffff # [ 95.343668] r7:c6bbbdfc r6:ffffffff r5:a00e0013 r4:c0c335c4 # [ 95.349362] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) # [ 95.356965] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 95.365004] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 95.372953] r9:c6bbbf60 r8:c5357900 r7:00000004 r6:b6e46000 r5:c5811400 r4:c0c33420 # [ 95.380731] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 95.388592] r9:c07e05ec r8:c6bbbf60 r7:c2816000 r6:b6e46000 r5:c5811400 r4:00000000 # [ 95.396367] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 95.403533] r10:00000004 r9:00000000 r8:00000000 r7:b6e46000 r6:c6bba000 r5:c5811400 # [ 95.411381] r4:c5811400 # [ 95.413948] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 95.421113] r9:c6bba000 r8:c03002e4 r7:00000004 r6:b6f8de00 r5:00000004 r4:00000004 # [ 95.428888] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 95.436479] Exception stack(0xc6bbbfa8 to 0xc6bbbff0) # [ 95.441560] bfa0: 00000004 00000004 00000001 b6e46000 00000004 00000000 # [ 95.449768] bfc0: 00000004 00000004 b6f8de00 00000004 00000001 00000000 00020000 be82ca64 # [ 95.457970] bfe0: 00000004 be82c798 b6ef84cf b6e7e7e6 # BUG: saw 'kernel BUG at': ok ok 2 selftests: lkdtm: BUG.sh # selftests: lkdtm: WARNING.sh # [ 95.909710] lkdtm: Performing direct entry WARNING # [ 95.914753] ------------[ cut here ]------------ # [ 95.922527] WARNING: CPU: 1 PID: 883 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x48/0x4c # [ 95.933599] 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 imx_ldb flexcan can_dev dw_hdmi_imx etnaviv dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 # [ 95.965362] CPU: 1 PID: 883 Comm: cat Tainted: G D W 5.10.162-cip23 #1 # [ 95.975768] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 95.985156] Backtrace: # [ 95.990479] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 96.000895] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f6f8 # [ 96.009416] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 96.019587] [] (dump_stack) from [] (__warn+0xfc/0x16c[ 96.612650] lkdtm: Performing direct entry WARNING_MESSAGE ) # [ 96.029404] r9:00000009 [ 96.618875] ------------[ cut here ]------------ r8:c0c3360c r7:00000053 r6:000000[ 96.626279] WARNING: CPU: 1 PID: 918 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x4c/0x54 09 r5:c0c3360c r4:c1acd388 # [ [ 96.638394] Warning message trigger count: 2 96.040008] [] (__warn)[ 96.645413] 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 imx_ldb flexcan can_dev dw_hdmi_imx etnaviv dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 from [] (warn_slowpath[ 96.677174] CPU: 1 PID: 918 Comm: cat Tainted: G D W 5.10.162-cip23 #1 _fmt+0x8c/0xa8) # [ 96.050346][ 96.687639] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) r7:00000053 r6:c1acd388 r5:0000[ 96.697036] Backtrace: 0000 r4:c5c1a000 # [ 96.058868[ 96.702393] [] (dump_backtrace) from [] (show_stack+0x20/0x24) ] [] (warn_slowpath_fmt[ 96.712808] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f6f8 ) from [] (lkdtm_WARNIN[ 96.721343] [] (show_stack) from [] (dump_stack+0xe0/0x100) G+0x48/0x4c) # [ 96.069817] r[ 96.731531] [] (dump_stack) from [] (__warn+0xfc/0x16c) 9:c1acccd0 r8:c15e8704 r7:c5c1bf6[ 96.741351] r9:00000009 r8:c0c3365c r7:00000058 r6:00000009 r5:c0c3365c r4:c1acd388 0 r6:00000008 r5:c5f93000 r4:0000[ 96.751974] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) 0002 # [ 96.080418] [] (lkdtm_WARNING) from [] (warn_slowpath_fmt) from [] (lkdtm_WARNING_MESSAGE+0x4c/0x54) 0>] (lkdtm_do_action+0x2c/0x4c) [ 96.782504] r9:c1acccd8 r8:c15e8704 r7:c4737f60 r6:00000010 r5:c6be4000 r4:00000003 # [ 96.091196] [] (lk[ 96.793122] [] (lkdtm_WARNING_MESSAGE) from [] (lkdtm_do_action+0x2c/0x4c) dtm_do_action) from [] [ 96.804601] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) (direct_entry+0x120/0x18c) # [ [ 96.815483] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) 96.102064] [] (direct_[ 96.826264] r9:c4737f60 r8:c5357900 r7:00000010 r6:b6def000 r5:c5810280 r4:c0c33420 entry) from [] (full_pr[ 96.836887] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) oxy_write+0x64/0x94) # [ 96.11[ 96.847577] r9:c07e05ec r8:c4737f60 r7:c2816000 r6:b6def000 r5:c5810280 r4:00000000 2834] r9:c5c1bf60 r8:c5357900 r7[ 96.858194] [] (vfs_write) from [] (ksys_write+0x74/0xec) :00000008 r6:b6e60000 r5:c5b17e00[ 96.868197] r10:00000004 r9:00000000 r8:00000000 r7:b6def000 r6:c4736000 r5:c5810280 r4:c0c33420 # [ 96.123440] [<[ 96.878889] r4:c5810280 c07e05ec>] (full_proxy_write) fro[ 96.884308] [] (ksys_write) from [] (sys_write+0x18/0x1c) m [] (vfs_write+0x10c/0[ 96.894309] r9:c4736000 r8:c03002e4 r7:00000004 r6:b6f36e00 r5:00000010 r4:00000010 x524) # [ 96.134124] r9:c07e0[ 96.904929] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) 5ec r8:c5c1bf60 r7:c2816000 r6:b6[ 96.915356] Exception stack(0xc4737fa8 to 0xc4737ff0) e60000 r5:c5b17e00 r4:00000000 #[ 96.923287] 7fa0: 00000010 00000010 00000001 b6def000 00000010 00000000 [ 96.144725] [] (vfs[ 96.934338] 7fc0: 00000010 00000010 b6f36e00 00000004 00000001 00000000 00020000 bee9ea64 _write) from [] (ksys_w[ 96.945377] 7fe0: 00000004 bee9e798 b6ea14cf b6e277e6 rite+0x74/0xec) # [ 96.154720][ 96.953479] irq event stamp: 0 r10:00000004 r9:00000000 r8:000[ 96.959294] hardirqs last enabled at (0): [<00000000>] 0x0 00000 r7:b6e60000 r6:c5c1a000 r5:[ 96.967760] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 c5b17e00 # [ 96.165403] r4:c5[ 96.978124] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 b17e00 # [ 96.170803] [] 0x0 24>] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 96.180796] r9:c5c1a000 r8:c03002e4 r7:00000004 r6:b6fa7e00 r5:00000008 r4:00000008 # [ 96.191402] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 96.201824] Exception stack(0xc5c1bfa8 to 0xc5c1bff0) # [ 96.207830] bfa0: 00000008 00000008 00000001 b6e60000 00000008 00000000 # [ 96.216015] bfc0: 00000008 00000008 b6fa7e00 00000004 00000001 00000000 00020000 bebefa64 # [ 96.224199] bfe0: 00000004 bebef798 b6f124cf b6e987e6 # [ 96.229298] irq event stamp: 0 # [ 96.232370] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 96.238143] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 # [ 96.245641] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 # [ 96.255411] softirqs last disabled at (0): [<00000000>] 0x0 # [ 96.261185] ---[ end trace 602be0240ace6246 ]--- # WARNING: saw 'WARNING:': ok ok 3 selftests: lkdtm: WARNING.sh # selftests: lkdtm: WARNING_MESSAGE.sh # [ 96.612650] lkdtm: Performing direct entry WARNING_MESSAGE # [ 96.618875] ------------[ cut here ]------------ # [ 96.626279] WARNING: CPU: 1 PID: 918 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x4c/0x54 # [ 96.638394] Warning message trigger count: 2 # [ 96.645413] 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 imx_ldb flexcan can_dev dw_hdmi_imx etnaviv dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 # [ 96.677174] CPU: 1 PID: 918 Comm: cat Tainted: G D W 5.10.162-cip23 #1 # [ 96.687639] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 96.697036] Backtrace: # [ 96.702393] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 96.712808] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f6f8 # [ 96.721343] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 96.731531] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 96.741351] r9:00000009 r8:c0c3365c r7:00000058 r6:00000009 r5:c0c3365c r4:c1acd388 # [ 96.751974] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 96.762315] r7:00000058 r6:c1acd388 r5:c1acd3a4 r4:c4736000 # [ 96.770857] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING_MESSAGE+0x4c/0x54) # [ 96.782504] r9:c1acccd8 r8:c15e8704 r7:c4737f60 r6:00000010 r5:c6be4000 r4:00000003 # [ 96.793122] [] (lkdtm_WARNING_MESSAGE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 96.804601] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 96.815483] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 96.826264] r9:c4737f60 r8:c5357900 r7:00000010 r6:b6def000 r5:c5810280 r4:c0c33420 # [ 96.836887] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 96.847577] r9:c07e05ec r8:c4737f60 r7:c2816000 r6:b6def000 r5:c5810280 r4:00000000 # [ 96.858194] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 96.868197] r10:00000004 r9:00000000 r8:00000000 r7:b6def000 r6:c4736000 r5:c5810280 # [ 96.878889] r4:c5810280 # [ 96.884308] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 96.894309] r9:c4736000 r8:c03002e4 r7:00000004 r6:b6f36e00 r5:00000010 r4:00000010 # [ 96.904929] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 96.915356] Exception stack(0xc4737fa8 to 0xc4737ff0) # [ 96.923287] 7fa0: 00000010 00000010 00000001 b6def000 00000010 00000000 # [ 96.934338] 7fc0: 00000010 00000010 b6f36e00 00000004 00000001 00000000 00020000 bee9ea64 # [ 96.945377] 7fe0: 00000004 bee9e798 b6ea14cf b6e277e6 # [ 96.953479] irq event s[ 97.346749] lkdtm: Performing direct entry EXCEPTION tamp: 0 # [ 96.959294] hardirq[ 97.354044] 8<--- cut here --- s last enabled at (0): [<0000000[ 97.360080] Unable to handle kernel NULL pointer dereference at virtual address 00000000 0>] 0x0 # [ 96.967760] hardirq[ 97.371026] pgd = 52d289ad s last disabled at (0): [] copy_process+0x5f8/0x1974 # [ 97.383053] Internal error: Oops: 805 [#2] SMP ARM [ 97.390669] 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 imx_ldb flexcan can_dev dw_hdmi_imx etnaviv dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 [ 97.419747] CPU: 0 PID: 950 Comm: cat Tainted: G D W 5.10.162-cip23 #1 [ 97.427411] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 97.433956] PC is at lkdtm_EXCEPTION+0x18/0x20 [ 97.438412] LR is at lkdtm_do_action+0x2c/0x4c [ 97.442865] pc : [] lr : [] psr: a00e0013 [ 97.449138] sp : c69d3e58 ip : c69d3e68 fp : c69d3e64 [ 97.454371] r10: 0000000a r9 : c1accce8 r8 : c15e8704 [ 97.459603] r7 : c69d3f60 r6 : 0000000a r5 : c6b13000 r4 : 00000004 [ 97.466138] r3 : 00000000 r2 : 6e8a0e85 r1 : ef7815e0 r0 : c15e8724 [ 97.472674] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 97.479817] Control: 10c5387d Table: 16e3804a DAC: 00000051 [ 97.485573] Process cat (pid: 950, stack limit = 0x4c6e9b10) [ 97.491239] Stack: (0xc69d3e58 to 0xc69d4000) [ 97.495608] 3e40: c69d3e74 c69d3e68 [ 97.503796] 3e60: c0c33040 c0c33670 c69d3e9c c69d3e78 c0c33540 c0c33020 c0c33420 c5811a40 [ 97.511985] 3e80: b6e8b000 0000000a c5357900 c69d3f60 c69d3ec4 c69d3ea0 c07e0650 c0c3342c [ 97.520175] 3ea0: 00000000 c5811a40 b6e8b000 c2816000 c69d3f60 c07e05ec c69d3f5c c69d3ec8 [ 97.528365] 3ec0: c0598d04 c07e05f8 00000001 00000000 c0599298 c13732e0 c0599298 c69d2000 [ 97.536554] 3ee0: b6e8b000 00020000 00000004 0000000a 0001fff6 c69d3ee0 00000001 b6e8a000 [ 97.544742] 3f00: c5a7f540 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 97.552931] 3f20: 00000000 00000000 c13732e0 6e8a0e85 c205c620 c5811a40 c5811a40 c69d2000 [ 97.561121] 3f40: b6e8b000 00000000 00000000 00000004 c69d3f94 c69d3f60 c0599298 c0598c04 [ 97.569310] 3f60: 00000000 00000000 c69d3fac 6e8a0e85 0000000a 0000000a b6fd2e00 00000004 [ 97.577498] 3f80: c03002e4 c69d2000 c69d3fa4 c69d3f98 c0599328 c0599230 00000000 c69d3fa8 [ 97.585688] 3fa0: c03000c0 c059931c 0000000a 0000000a 00000001 b6e8b000 0000000a 00000000 [ 97.593877] 3fc0: 0000000a 0000000a b6fd2e00 00000004 00000001 00000000 00020000 bef81a64 [ 97.602065] 3fe0: 00000004 bef81798 b6f3d4cf b6ec37e6 800e0030 00000001 00000000 00000000 [ 97.610247] Backtrace: [ 97.612716] [] (lkdtm_EXCEPTION) from [] (lkdtm_do_action+0x2c/0x4c) [ 97.620821] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 97.628845] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 97.636775] r9:c69d3f60 r8:c5357900 r7:0000000a r6:b6e8b000 r5:c5811a40 r4:c0c33420 [ 97.644539] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 97.652381] r9:c07e05ec r8:c69d3f60 r7:c2816000 r6:b6e8b000 r5:c5811a40 r4:00000000 [ 97.660137] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 97.667285] r10:00000004 r9:00000000 r8:00000000 r7:b6e8b000 r6:c69d2000 r5:c5811a40 [ 97.675122] r4:c5811a40 [ 97.677671] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 97.684818] r9:c69d2000 r8:c03002e4 r7:00000004 r6:b6fd2e00 r5:0000000a r4:0000000a [ 97.692576] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 97.700152] Exception stack(0xc69d3fa8 to 0xc69d3ff0) [ 97.705215] 3fa0: 0000000a 0000000a 00000001 b6e8b000 0000000a 00000000 [ 97.713403] 3fc0: 0000000a 0000000a b6fd2e00 00000004 00000001 00000000 00020000 bef81a64 [ 97.721589] 3fe0: 00000004 bef81798 b6f3d4cf b6ec37e6 [ 97.726653] Code: e24cb004 e52de004 e8bd4000 e3a03000 (e5833000) [ 96.978124] softirqs last ena[ 97.732832] ---[ end trace 602be0240ace6248 ]--- bled at (0): [] copy_process+0x5f8/0x1974 # [ 96.988500] softirqs last disabled at (0): [<00000000>] 0x0 # [ 96.996942] ---[ end trace 602be0240ace6247 ]--- # WARNING_MESSAGE: saw 'message trigger': ok ok 4 selftests: lkdtm: WARNING_MESSAGE.sh # selftests: lkdtm: EXCEPTION.sh # Segmentation fault # [ 97.346749] lkdtm: Performing direct entry EXCEPTION # [ 97.354044] 8<--- cut here --- # [ 97.360080] Unable to handle kernel NULL pointer dereference at virtual address 00000000 # [ 97.371026] pgd = 52d289ad # [ 97.376612] [00000000] *pgd=00000000 # [ 97.383053] Internal error: Oops: 805 [#2] SMP ARM # [ 97.390669] 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 imx_ldb flexcan can_dev dw_hdmi_imx etnaviv dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 # [ 97.419747] CPU: 0 PID: 950 Comm: cat Tainted: G D W 5.10.162-cip23 #1 # [ 97.427411] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 97.433956] PC is at lkdtm_EXCEPTION+0x18/0x20 # [ 97.438412] LR is at lkdtm_do_action+0x2c/0x4c # [ 97.442865] pc : [] lr : [] psr: a00e0013 # [ 97.449138] sp : c69d3e58 ip : c69d3e68 fp : c69d3e64 # [ 97.454371] r10: 0000000a r9 : c1accce8 r8 : c15e8704 # [ 97.459603] r7 : c69d3f60 r6 : 0000000a r5 : c6b13000 r4 : 00000004 # [ 97.466138] r3 : 00000000 r2 : 6e8a0e85 r1 : ef7815e0 r0 : c15e8724 # [ 97.472674] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 97.479817] Control: 10c5387d Table: 16e3804a DAC: 00000051 # [ 97.485573] Process cat (pid: 950, stack limit = 0x4c6e9b10) # [ 97.491239] Stack: (0xc69d3e58 to 0xc69d4000) # [ 97.495608] 3e40: c69d3e74 c69d3e68 # [ 97.503796] 3e60: c0c33040 c0c33670 c69d3e9c c69d3e78 c0c33540 c0c33020 c0c33420 c5811a40 # [ 97.511985] 3e80: b6e8b000 0000000a c5357900 c69d3f60 c69d3ec4 c69d3ea0 c07e0650 c0c3342c # [ 97.520175] 3ea0: 00000000 c5811a40 b6e8b000 c2816000 c69d3f60 c07e05ec c69d3f5c c69d3ec8 # [ 97.528365] 3ec0: c0598d04 c07e05f8 00000001 00000000 c0599298 c13732e0 c0599298 c69d2000 # [ 97.536554] 3ee0: b6e8b000 00020000 00000004 0000000a 0001fff6 c69d3ee0 00000001 b6e8a000 # [ 97.544742] 3f00: c5a7f540 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 97.552931] 3f20: 00000000 00000000 c13732e0 6e8a0e85 c205c620 c5811a40 c5811a40 c69d2000 # [ 97.561121] 3f40: b6e8b000 00000000 00000000 00000004 c69d3f94 c69d3f60 c0599298 c0598c04 # [ 97.569310] 3f60: 00000000 00000000 c69d3fac 6e8a0e85 0000000a 0000000a b6fd2e00 00000004 # [ 97.577498] 3f80: c03002e4 c69d2000 c69d3fa4 c69d3f98 c0599328 c0599230 00000000 c69d3fa8 # [ 97.585688] 3fa0: c03000c0 c059931c 0000000a 0000000a 00000001 b6e8b000 0000000a 00000000 # [ 97.593877] 3fc0: 0000000a 0000000a b6fd2e00 00000004 00000001 00000000 00020000 bef81a64 # [ 97.602065] 3fe0: 00000004 bef81798 b6f3d4cf b6ec37e6 800e0030 00000001 00000000 00000000 # [ 97.610247] Backtrace: # [ 97.612716] [] (lkdtm_EXCEPTION) from [] (lkdtm_do_action+0x2c/0x4c) # [ 97.620821] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 97.628845] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 97.636775] r9:c69d3f60 r8:c5357900 r7:0000000a r6:b6e8b000 r5:c5811a40 r4:c0c33420 # [ 97.644539] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 97.652381] r9:c07e05ec r8:c69d3f60 r7:c2816000 r6:b6e8b000 r5:c5811a40 r4:00000000 # [ 97.660137] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 97.667285] r10:00000004 r9:00000000 r8:00000000 r7:b6e8b000 r6:c69d2000 r5:c5811a40 # [ 97.675122] r4:c5811a40 # [ 97.677671] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 97.684818] r9:c69d2000 r8:c03002e4 r7:00000004 r6:b6fd2e00 r5:0000000a r4:0000000a # [ 97.692576] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 97.700152] Exception stack(0xc69d3fa8 to 0xc69d3ff0) # [ 97.705215] 3fa0: 0000000a 0000000a 00000001 b6e8b000 0000000a 00000000 # [ 97.713403] 3fc0: 0000000a 0000000a b6fd2e00 00000004 00000001 00000000 00020000 bef81a64 # [ 97.721589] 3fe0: 00000004 bef81798 b6f3d4cf b6ec37e6 # [ 97.726653] Code: e24cb004 e52de004 e8bd4000 e3a03000 (e5833000) # [ 97.732832] ---[ end trace 602be0240ace6248 ]--- # 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 [ 98.912256] lkdtm: Performing direct entry CORRUPT_LIST_ADD [ 98.918002] lkdtm: attempting good list addition [ 98.922662] lkdtm: attempting corrupted list addition [ 98.927790] lkdtm: list_add() corruption not detected! # [ 98.912256] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 98.918002] lkdtm: attempting good list addition # [ 98.922662] lkdtm: attempting corrupted list addition # [ 98.927790] 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 [ 99.262113] lkdtm: Performing direct entry CORRUPT_LIST_DEL [ 99.267831] lkdtm: attempting good list removal [ 99.272400] lkdtm: attempting corrupted list removal [ 99.277451] lkdtm: list_del() corruption not detected! # [ 99.262113] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 99.267831] lkdtm: attempting good list removal # [ 99.272400] lkdtm: attempting corrupted list removal # [ 99.277451] 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 [ 99.611238] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING [ 99.617620] lkdtm: attempting bad read from page below current stack [ 99.623983] lkdtm: FAIL: accessed page before stack! (byte: 0) # [ 99.611238] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 99.617620] lkdtm: attempting bad read from page below current stack # [ 99.623983] lkdtm: FAIL: accessed page before stack! (byte: 0) # STACK_GUARD_PAGE_LEADING: missing 'call trace:': [FAIL] not ok 12 selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh # exit=1 # selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh [ 99.964489] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING [ 99.970957] lkdtm: attempting bad read from page above current stack [ 99.977363] lkdtm: FAIL: accessed page after stack! (byte: 6c) # [ 99.964489] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING # [ 99.970957] lkdtm: attempting bad read from page above current stack # [ 99.977363] lkdtm: FAIL: accessed page after stack! (byte: 6c) # 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 [ 100.337831] lkdtm: Performing direct entry UNSET_SMEP [ 100.342904] lkdtm: XFAIL: this test is x86_64-only # [ 100.337831] lkdtm: Performing direct entry UNSET_SMEP # [ 100.342904] 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 [ 100.673134] lkdtm: Performing direct entry DOUBLE_FAULT [ 100.678524] lkdtm: XFAIL: this test is ia32-only # [ 100.673134] lkdtm: Performing direct entry DOUBLE_FAULT # [ 100.678524] 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 [ 101.017219] lkdtm: Performing direct entry CORRUPT_PAC [ 101.022378] lkdtm: XFAIL: this test is arm64-only # [ 101.017219] lkdtm: Performing direct entry CORRUPT_PAC # [ 101.022378] 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 [ 101.362248] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE [ 101.368776] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS # [ 101.362248] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # [ 101.368776] 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 [ 102.091435] lkdtm: Performing direct entry READ_AFTER_FREE [ 102.097158] lkdtm: Value in memory before free: 12345678 [ 102.102515] lkdtm: Attempting bad read from freed memory [ 102.107881] lkdtm: Memory was not poisoned # [ 102.091435] lkdtm: Performing direct entry READ_AFTER_FREE # [ 102.097158] lkdtm: Value in memory before free: 12345678 # [ 102.102515] lkdtm: Attempting bad read from freed memory # [ 102.107881] 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 [ 102.628485] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE [ 102.634518] lkdtm: Value in memory before free: 12345678 [ 102.640004] lkdtm: Attempting to read from freed memory [ 102.645274] lkdtm: Buddy page was not poisoned # [ 102.628485] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE # [ 102.634518] lkdtm: Value in memory before free: 12345678 # [ 102.640004] lkdtm: Attempting to read from freed memory # [ 102.645274] 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 [ 102.965492] lkdtm: Performing direct entry SLAB_FREE_DOUBLE [ 102.971317] lkdtm: Attempting double slab free ... # [ 102.965492] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 102.971317] 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 [ 103.280027] lkdtm: Performing direct entry SLAB_FREE_CROSS [ 103.285552] lkdtm: Attempting cross-cache slab free ... # [ 103.280027] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 103.285552] 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 [ 103.583789] lkdtm: Performing direct entry SLAB_FREE_PAGE [ 103.589419] lkdtm: Attempting non-Slab slab free ... # [ 103.583789] lkdtm: Performing direct entry SLAB_FREE_PAGE # [ 103.589419] 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 [ 104.676218] lkdtm: Performing direct entry EXEC_DATA [ 104.681297] lkdtm: attempting ok execution at c0c33db0 [ 104.686487] lkdtm: attempting bad execution at c26f696c [ 104.691727] 8<--- cut here --- [ 104.694788] Unable to handle kernel paging request at virtual address c26f696c [ 104.702019] pgd = e4f1c5f9 [ 104.704733] [c26f696c] *pgd=1261141e(bad) [ 104.708766] Internal error: Oops: 8000000d [#3] SMP ARM [ 104.713997] 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 imx_ldb flexcan can_dev dw_hdmi_imx etnaviv dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 [ 104.743032] CPU: 0 PID: 1793 Comm: cat Tainted: G D W 5.10.162-cip23 #1 [ 104.750780] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 104.757321] PC is at data_area+0x0/0x40 [ 104.761173] LR is at execute_location+0xa4/0xb4 [ 104.765710] pc : [] lr : [] psr: 600e0013 [ 104.771982] sp : c5803e38 ip : 00000027 fp : c5803e54 [ 104.777210] r10: 0000000a r9 : c1accecc r8 : c15e8704 [ 104.782440] r7 : c5803f60 r6 : 00000001 r5 : c26f696c r4 : c0c33db0 [ 104.788973] r3 : b6d16a95 r2 : b6d16a95 r1 : ef7815e4 r0 : 0000002b [ 104.795506] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 104.802648] Control: 10c5387d Table: 1580404a DAC: 00000051 [ 104.808399] Process cat (pid: 1793, stack limit = 0x0ea696a8) [ 104.814150] Stack: (0xc5803e38 to 0xc5804000) [ 104.818514] 3e20: 0000001f c5e02000 [ 104.826700] 3e40: 0000000a c5803f60 c5803e64 c5803e58 c135dc38 c135da34 c5803e74 c5803e68 [ 104.834885] 3e60: c0c33040 c135dc20 c5803e9c c5803e78 c0c33540 c0c33020 c0c33420 c5b34000 [ 104.843072] 3e80: b6e04000 0000000a c5357900 c5803f60 c5803ec4 c5803ea0 c07e0650 c0c3342c [ 104.851258] 3ea0: 00000000 c5b34000 b6e04000 c2816000 c5803f60 c07e05ec c5803f5c c5803ec8 [ 104.859444] 3ec0: c0598d04 c07e05f8 00000001 00000000 c0599298 c13732e0 c0599298 c5802000 [ 104.867629] 3ee0: b6e04000 00020000 00000004 0000000a 0001fff6 c5803ee0 00000001 b6e03000 [ 104.875814] 3f00: c5812640 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 104.883998] 3f20: 00000000 00000000 c13732e0 b6d16a95 c205c620 c5b34000 c5b34000 c5802000 [ 104.892182] 3f40: b6e04000 00000000 00000000 00000004 c5803f94 c5803f60 c0599298 c0598c04 [ 104.900367] 3f60: 00000000 00000000 c5803fac b6d16a95 0000000a 0000000a b6f4be00 00000004 [ 104.908553] 3f80: c03002e4 c5802000 c5803fa4 c5803f98 c0599328 c0599230 00000000 c5803fa8 [ 104.916738] 3fa0: c03000c0 c059931c 0000000a 0000000a 00000001 b6e04000 0000000a 00000000 [ 104.924923] 3fc0: 0000000a 0000000a b6f4be00 00000004 00000001 00000000 00020000 bef0ea64 [ 104.933107] 3fe0: 00000004 bef0e798 b6eb64cf b6e3c7e6 800e0030 00000001 00000000 00000000 [ 104.941286] Backtrace: [ 104.943755] [] (execute_location) from [] (lkdtm_EXEC_DATA+0x24/0x28) [ 104.951939] r7:c5803f60 r6:0000000a r5:c5e02000 r4:0000001f [ 104.957613] [] (lkdtm_EXEC_DATA) from [] (lkdtm_do_action+0x2c/0x4c) [ 104.965715] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 104.973734] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 104.981660] r9:c5803f60 r8:c5357900 r7:0000000a r6:b6e04000 r5:c5b34000 r4:c0c33420 [ 104.989417] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 104.997256] r9:c07e05ec r8:c5803f60 r7:c2816000 r6:b6e04000 r5:c5b34000 r4:00000000 [ 105.005007] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 105.012151] r10:00000004 r9:00000000 r8:00000000 r7:b6e04000 r6:c5802000 r5:c5b34000 [ 105.019983] r4:c5b34000 [ 105.022525] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 105.029668] r9:c5802000 r8:c03002e4 r7:00000004 r6:b6f4be00 r5:0000000a r4:0000000a [ 105.037422] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 105.044995] Exception stack(0xc5803fa8 to 0xc5803ff0) [ 105.050054] 3fa0: 0000000a 0000000a 00000001 b6e04000 0000000a 00000000 [ 105.058239] 3fc0: 0000000a 0000000a b6f4be00 00000004 00000001 00000000 00020000 bef0ea64 [ 105.066421] 3fe0: 00000004 bef0e798 b6eb64cf b6e3c7e6 [ 105.071483] Code: 00000000 c2e15840 c2e15900 c2e159c0 (e1a0c00d) [ 105.077587] ---[ end trace 602be0240ace6249 ]--- # Segmentation fault # [ 104.676218] lkdtm: Performing direct entry EXEC_DATA # [ 104.681297] lkdtm: attempting ok execution at c0c33db0 # [ 104.686487] lkdtm: attempting bad execution at c26f696c # [ 104.691727] 8<--- cut here --- # [ 104.694788] Unable to handle kernel paging request at virtual address c26f696c # [ 104.702019] pgd = e4f1c5f9 # [ 104.704733] [c26f696c] *pgd=1261141e(bad) # [ 104.708766] Internal error: Oops: 8000000d [#3] SMP ARM # [ 104.713997] 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 imx_ldb flexcan can_dev dw_hdmi_imx etnaviv dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 # [ 104.743032] CPU: 0 PID: 1793 Comm: cat Tainted: G D W 5.10.162-cip23 #1 # [ 104.750780] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 104.757321] PC is at data_area+0x0/0x40 # [ 104.761173] LR is at execute_location+0xa4/0xb4 # [ 104.765710] pc : [] lr : [] psr: 600e0013 # [ 104.771982] sp : c5803e38 ip : 00000027 fp : c5803e54 # [ 104.777210] r10: 0000000a r9 : c1accecc r8 : c15e8704 # [ 104.782440] r7 : c5803f60 r6 : 00000001 r5 : c26f696c r4 : c0c33db0 # [ 104.788973] r3 : b6d16a95 r2 : b6d16a95 r1 : ef7815e4 r0 : 0000002b # [ 104.795506] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 104.802648] Control: 10c5387d Table: 1580404a DAC: 00000051 # [ 104.808399] Process cat (pid: 1793, stack limit = 0x0ea696a8) # [ 104.814150] Stack: (0xc5803e38 to 0xc5804000) # [ 104.818514] 3e20: 0000001f c5e02000 # [ 104.826700] 3e40: 0000000a c5803f60 c5803e64 c5803e58 c135dc38 c135da34 c5803e74 c5803e68 # [ 104.834885] 3e60: c0c33040 c135dc20 c5803e9c c5803e78 c0c33540 c0c33020 c0c33420 c5b34000 # [ 104.843072] 3e80: b6e04000 0000000a c5357900 c5803f60 c5803ec4 c5803ea0 c07e0650 c0c3342c # [ 104.851258] 3ea0: 00000000 c5b34000 b6e04000 c2816000 c5803f60 c07e05ec c5803f5c c5803ec8 # [ 104.859444] 3ec0: c0598d04 c07e05f8 00000001 00000000 c0599298 c13732e0 c0599298 c5802000 # [ 104.867629] 3ee0: b6e04000 00020000 00000004 0000000a 0001fff6 c5803ee0 00000001 b6e03000 # [ 104.875814] 3f00: c5812640 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 104.883998] 3f20: 00000000 00000000 c13732e0 b6d16a95 c205c620 c5b34000 c5b34000 c5802000 # [ 104.892182] 3f40: b6e04000 00000000 00000000 00000004 c5803f94 c5803f60 c0599298 c0598c04 # [ 104.900367] 3f60: 00000000 00000000 c5803fac b6d16a95 0000000a 0000000a b6f4be00 00000004 # [ 104.908553] 3f80: c03002e4 c5802000 c5803fa4 c5803f98 c0599328 c0599230 00000000 c5803fa8 # [ 104.916738] 3fa0: c03000c0 c059931c 0000000a 0000000a 00000001 b6e04000 0000000a 00000000 # [ 104.924923] 3fc0: 0000000a 0000000a b6f4be00 00000004 00000001 00000000 00020000 bef0ea64 # [ 104.933107] 3fe0: 00000004 bef0e798 b6eb64cf b6e3c7e6 800e0030 00000001 00000000 00000000 # [ 104.941286] Backtrace: # [ 104.943755] [] (execute_location) from [] (lkdtm_EXEC_DATA+0x24/0x28) # [ 104.951939] r7:c5803f60 r6:0000000a r5:c5e02000 r4:0000001f # [ 104.957613] [] (lkdtm_EXEC_DATA) from [] (lkdtm_do_action+0x2c/0x4c) # [ 104.965715] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 104.973734] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 104.981660] r9:c5803f60 r8:c5357900 r7:0000000a r6:b6e04000 r5:c5b34000 r4:c0c33420 # [ 104.989417] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 104.997256] r9:c07e05ec r8:c5803f60 r7:c2816000 r6:b6e04000 r5:c5b34000 r4:00000000 # [ 105.005007] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 105.012151] r10:00000004 r9:00000000 r8:00000000 r7:b6e04000 [ 105.530398] lkdtm: Performing direct entry EXEC_STACK r6:c5802000 r5:c5b34000 # [ 105[ 105.537701] lkdtm: attempting ok execution at c0c33db0 .019983] r4:c5b34000 # [ 105.0[ 105.545661] lkdtm: attempting bad execution at c6e67e0c 22525] [] (ksys_write) [ 105.553800] 8<--- cut here --- [ 105.559670] Unable to handle kernel paging request at virtual address c6e67e0c [ 105.566900] pgd = 01920f16 [ 105.569612] [c6e67e0c] *pgd=16e1141e(bad) [ 105.573644] Internal error: Oops: 8000000d [#4] SMP ARM [ 105.578875] 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 imx_ldb flexcan can_dev dw_hdmi_imx etnaviv dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 [ 105.607908] CPU: 0 PID: 1869 Comm: cat Tainted: G D W 5.10.162-cip23 #1 [ 105.615656] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 105.622193] PC is at 0xc6e67e0c [ 105.625352] LR is at execute_location+0xa4/0xb4 [ 105.629887] pc : [] lr : [] psr: 600e0013 [ 105.636160] sp : c6e67de8 ip : c6e67cf0 fp : c6e67e04 [ 105.641389] r10: 0000000b r9 : c1acced8 r8 : c15e8704 [ 105.646620] r7 : c6e67f60 r6 : 00000001 r5 : c6e67e0c r4 : c0c33db0 [ 105.653154] r3 : 8e08a69c r2 : 8e08a69c r1 : ef7815e0 r0 : 0000002b [ 105.659688] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 105.666828] Control: 10c5387d Table: 16ebc04a DAC: 00000051 [ 105.672582] Process cat (pid: 1869, stack limit = 0xb16fc8e7) [ 105.678334] Stack: (0xc6e67de8 to 0xc6e68000) [ 105.682700] 7de0: c6e66000 c5c94000 0000000b c6e67f60 c6e67e64 c6e67e08 [ 105.690888] 7e00: c135dc74 c135da34 c6e67e6c e1a0c00d e92dd800 e24cb004 e52de004 e8bd4000 [ 105.699072] 7e20: e89da800 e1a0c00d e92dd830 e24cb004 e52de004 e8bd4000 e30d3374 e34c31b7 [ 105.707257] 7e40: e3a02040 e3a01d33 e5930018 8e08a69c 0000000b 00000020 c6e67e74 c6e67e68 [ 105.715442] 7e60: c0c33040 c135dc48 c6e67e9c c6e67e78 c0c33540 c0c33020 c0c33420 c59ae780 [ 105.723626] 7e80: b6e99000 0000000b c5357900 c6e67f60 c6e67ec4 c6e67ea0 c07e0650 c0c3342c [ 105.731811] 7ea0: 00000000 c59ae780 b6e99000 c2816000 c6e67f60 c07e05ec c6e67f5c c6e67ec8 [ 105.739997] 7ec0: c0598d04 c07e05f8 00000001 00000000 c0599298 c13732e0 c0599298 c6e66000 [ 105.748183] 7ee0: b6e99000 00020000 00000004 0000000b 0001fff5 c6e67ee0 00000001 b6e98000 [ 105.756368] 7f00: c594f2c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 105.764554] 7f20: 00000000 00000000 c13732e0 8e08a69c c205c620 c59ae780 c59ae780 c6e66000 [ 105.772740] 7f40: b6e99000 00000000 00000000 00000004 c6e67f94 c6e67f60 c0599298 c0598c04 [ 105.780925] 7f60: 00000000 00000000 c6e67fac 8e08a69c 0000000b 0000000b b6fe0e00 00000004 [ 105.789108] 7f80: c03002e4 c6e66000 c6e67fa4 c6e67f98 c0599328 c0599230 00000000 c6e67fa8 [ 105.797292] 7fa0: c03000c0 c059931c 0000000b 0000000b 00000001 b6e99000 0000000b 00000000 [ 105.805477] 7fc0: 0000000b 0000000b b6fe0e00 00000004 00000001 00000000 00020000 be953a64 [ 105.813661] 7fe0: 00000004 be953798 b6f4b4cf b6ed17e6 800e0030 00000001 00000000 00000000 [ 105.821841] Backtrace: [ 105.824311] [] (execute_location) from [] (lkdtm_EXEC_STACK+0x38/0x54) [ 105.832583] r7:c6e67f60 r6:0000000b r5:c5c94000 r4:c6e66000 [ 105.838259] [] (lkdtm_EXEC_STACK) from [] (lkdtm_do_action+0x2c/0x4c) [ 105.846441] r4:00000020 [ 105.848985] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 105.857002] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 105.864927] r9:c6e67f60 r8:c5357900 r7:0000000b r6:b6e99000 r5:c59ae780 r4:c0c33420 [ 105.872684] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 105.880521] r9:c07e05ec r8:c6e67f60 r7:c2816000 r6:b6e99000 r5:c59ae780 r4:00000000 [ 105.888273] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 105.895417] r10:00000004 r9:00000000 r8:00000000 r7:b6e99000 r6:c6e66000 r5:c59ae780 [ 105.903250] r4:c59ae780 [ 105.905794] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 105.912937] r9:c6e66000 r8:c03002e4 r7:00000004 r6:b6fe0e00 r5:0000000b r4:0000000b [ 105.920691] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 105.928263] Exception stack(0xc6e67fa8 to 0xc6e67ff0) [ 105.933322] 7fa0: 0000000b 0000000b 00000001 b6e99000 0000000b 00000000 [ 105.941507] 7fc0: 0000000b 0000000b b6fe0e00 00000004 00000001 00000000 00020000 be953a64 [ 105.949690] 7fe0: 00000004 be953798 b6f4b4cf b6ed17e6 [ 105.954751] Code: c6e67e08 c135dc74 c135da34 c6e67e6c (e1a0c00d) [ 105.960855] ---[ end trace 602be0240ace624a ]--- from [] (sys_write+0x18/0x1c) # [ 105.029668] r9:c5802000 r8:c03002e4 r7:00000004 r6:b6f4be00 r5:0000000a r4:0000000a # [ 105.037422] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 105.044995] Exception stack(0xc5803fa8 to 0xc5803ff0) # [ 105.050054] 3fa0: 0000000a 0000000a 00000001 b6e04000 0000000a 00000000 # [ 105.058239] 3fc0: 0000000a 0000000a b6f4be00 00000004 00000001 00000000 00020000 bef0ea64 # [ 105.066421] 3fe0: 00000004 bef0e798 b6eb64cf b6e3c7e6 # [ 105.071483] Code: 00000000 c2e15840 c2e15900 c2e159c0 (e1a0c00d) # [ 105.077587] ---[ end trace 602be0240ace6249 ]--- # EXEC_DATA: missing 'call trace:': [FAIL] not ok 30 selftests: lkdtm: EXEC_DATA.sh # exit=1 # selftests: lkdtm: EXEC_STACK.sh # Segmentation fault # [ 105.530398] lkdtm: Performing direct entry EXEC_STACK # [ 105.537701] lkdtm: attempting ok execution at c0c33db0 # [ 105.545661] lkdtm: attempting bad execution at c6e67e0c # [ 105.553800] 8<--- cut here --- # [ 105.559670] Unable to handle kernel paging request at virtual address c6e67e0c # [ 105.566900] pgd = 01920f16 # [ 105.569612] [c6e67e0c] *pgd=16e1141e(bad) # [ 105.573644] Internal error: Oops: 8000000d [#4] SMP ARM # [ 105.578875] 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 imx_ldb flexcan can_dev dw_hdmi_imx etnaviv dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 # [ 105.607908] CPU: 0 PID: 1869 Comm: cat Tainted: G D W 5.10.162-cip23 #1 # [ 105.615656] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 105.622193] PC is at 0xc6e67e0c # [ 105.625352] LR is at execute_location+0xa4/0xb4 # [ 105.629887] pc : [] lr : [] psr: 600e0013 # [ 105.636160] sp : c6e67de8 ip : c6e67cf0 fp : c6e67e04 # [ 105.641389] r10: 0000000b r9 : c1acced8 r8 : c15e8704 # [ 105.646620] r7 : c6e67f60 r6 : 00000001 r5 : c6e67e0c r4 : c0c33db0 # [ 105.653154] r3 : 8e08a69c r2 : 8e08a69c r1 : ef7815e0 r0 : 0000002b # [ 105.659688] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 105.666828] Control: 10c5387d Table: 16ebc04a DAC: 00000051 # [ 105.672582] Process cat (pid: 1869, stack limit = 0xb16fc8e7) # [ 105.678334] Stack: (0xc6e67de8 to 0xc6e68000) # [ 105.682700] 7de0: c6e66000 c5c94000 0000000b c6e67f60 c6e67e64 c6e67e08 # [ 105.690888] 7e00: c135dc74 c135da34 c6e67e6c e1a0c00d e92dd800 e24cb004 e52de004 e8bd4000 # [ 105.699072] 7e20: e89da800 e1a0c00d e92dd830 e24cb004 e52de004 e8bd4000 e30d3374 e34c31b7 # [ 105.707257] 7e40: e3a02040 e3a01d33 e5930018 8e08a69c 0000000b 00000020 c6e67e74 c6e67e68 # [ 105.715442] 7e60: c0c33040 c135dc48 c6e67e9c c6e67e78 c0c33540 c0c33020 c0c33420 c59ae780 # [ 105.723626] 7e80: b6e99000 0000000b c5357900 c6e67f60 c6e67ec4 c6e67ea0 c07e0650 c0c3342c # [ 105.731811] 7ea0: 00000000 c59ae780 b6e99000 c2816000 c6e67f60 c07e05ec c6e67f5c c6e67ec8 # [ 105.739997] 7ec0: c0598d04 c07e05f8 00000001 00000000 c0599298 c13732e0 c0599298 c6e66000 # [ 105.748183] 7ee0: b6e99000 00020000 00000004 0000000b 0001fff5 c6e67ee0 00000001 b6e98000 # [ 105.756368] 7f00: c594f2c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 105.764554] 7f20: 00000000 00000000 c13732e0 8e08a69c c205c620 c59ae780 c59ae780 c6e66000 # [ 105.772740] 7f40: b6e99000 00000000 00000000 00000004 c6e67f94 c6e67f60 c0599298 c0598c04 # [ 105.780925] 7f60: 00000000 00000000 c6e67fac 8e08a69c 0000000b 0000000b b6fe0e00 00000004 # [ 105.789108] 7f80: c03002e4 c6e66000 c6e67fa4 c6e67f98 c0599328 c0599230 00000000 c6e67fa8 # [ 105.797292] 7fa0: c03000c0 c059931c 0000000b 0000000b 00000001 b6e99000 0000000b 00000000 # [ 105.805477] 7fc0: 0000000b 0000000b b6fe0e00 00000004 00000001 00000000 00020000 be953a64 # [ 105.813661] 7fe0: 00000004 be953798 b6f4b4cf b6ed17e6 800e0030 00000001 00000000 00000000 # [ 105.821841] Backtrace: # [ 105.824311] [] (execute_location) from [] (lkdtm_EXEC_STACK+0x38/0x54) # [ 105.832583] r7:c6e67f60 r6:0000000b r5:c5c94000 r4:c6e66000 # [ 105.838259] [] (lkdtm_EXEC_STACK) from [] (lkdtm_do_action+0x2c/0x4c) # [ 105.846441] r4:00000020 # [ 105.848985] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 105.857002] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 105.864927] r9:c6e67f60 r8:c5357900 r7:0000000b r6:b6e99000 r5:c59ae780 r4:c0c33420 # [ 105.872684] [] (full_proxy_write) [ 106.409537] lkdtm: Performing direct entry EXEC_KMALLOC from [] (vf[s _ w1r0i6t415361] lkdtm: attempting ok execution at c0c33db0 e+0x10c/0x524) # [ 105.880521] [ 106.422843] lkdtm: attempting bad execution at c4793140 r9:c07e05ec r8:c6e67f60 r7:c2816[ 106.431000] 8<--- cut here --- 000 r6:b6e99[0 0 01 0r65.:4c3569773] Unable to handle kernel paging request at virtual address c4793140 e780 r4:00000[0 0 01 0 6#. 4[4 5 05] pgd = 67c2f2ef 105.888273] [] [( v f1s6.450518] [c4793140] *pgd=1461141e(bad) _write) from [[< c 0150969.249586962] Internal error: Oops: 8000000d [#5] SMP ARM ] (ksys_write+0x74/0xec) # [ 10[ 106.464180] 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 imx_ldb flexcan can_dev dw_hdmi_imx etnaviv dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 5.895417] r10:000[0 0 010046 .r495883] CPU: 3 PID: 1948 Comm: cat Tainted: G D W 5.10.162-cip23 #1 :0000000[0 r180:60.050005070809] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) r7:b6e99000 r6:[c 6 e160660.05014056] PC is at 0xc4793140 r5:c59ae780 # [ 105.9032[5 0 ]106.519287] LR is at execute_location+0xa4/0xb4 r4:c59ae[7 8 01 0 6#. 5[2 6 3120] pc : [] lr : [] psr: 600e0013 5.9057[9 4 ]1 0[6<.c503549392222] sp : c6e61e30 ip : c6e61d38 fp : c6e61e4c >] (ksys_[w r i1t0e6).5 4f1r1o9m5] r10: 0000000d r9 : c1accee4 r8 : c15e8704 [ ] 1(0s6y.s5_4w8r1i56] r7 : c6e61f60 r6 : 00000001 r5 : c4793140 r4 : c0c33db0 e+0x18/0[x 1 c1)0 6 .#5 5[6 5 015] r3 : 677d3c70 r2 : 677d3c70 r1 : ef7c05e0 r0 : 0000002b 5.912937] r9:[c 61e0666.050604 68] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none r8:c03002e4[ r 71:0060.0507030800] Control: 10c5387d Table: 16f3004a DAC: 00000051 4 r6:b6fe0[e 0 01 0r65.:5080103076] Process cat (pid: 1948, stack limit = 0xd2b2e05c) 00b r4:000[0 0 10006b. 5 8#8 9[4 ] Stack: (0xc6e61e30 to 0xc6e62000) 105.920691] [95039] 1e20: c4793140 c4766000 0000000d c6e61f60 (sys_write) fro[m [1<0c60.36005296] 1e40: c6e61e64 c6e61e50 c0c33e00 c135da34 00000021 c4766000 c6e61e74 c6e61e68 0c0>] (ret_fas[t _ s1y0s6c.a6l1l5553] 1e60: c0c33040 c0c33dd4 c6e61e9c c6e61e78 c0c33540 c0c33020 c0c33420 c5a91b80 0x0/0x28) # [ [ 1 0150.69.26822725] 1e80: b6df5000 0000000d c5357900 c6e61f60 c6e61ec4 c6e61ea0 c07e0650 c0c3342c 63] Exception sta[c k (100x6c.66e5897] 1ea0: 00000000 c5a91b80 b6df5000 c2816000 c6e61f60 c07e05ec c6e61f5c c6e61ec8 67fa8 to 0xc6e6[7 f f100)6 . 6#4 154] 1ec0: c0598d04 c07e05f8 00000001 00000000 c0599298 c5951924 c0599298 c6e60000 [ 105.933322] 7f[a 0 :1 0 6 . 6 6325] 1ee0: b6df5000 00020000 00000004 0000000d 0001fff3 c6e61ee0 00000001 00000805 [ 0 0100060.0606b6 81] 1f00: c59eadc0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 0000000b 0000000[1 b160e69.96076666] 1f20: 00000000 00000000 c6e60000 677d3c70 b6df4000 c5a91b80 c5a91b80 c6e60000 0 0000000b 0000[0 0 0100 6 .#6 8[925] 1f40: b6df5000 00000000 00000000 00000004 c6e61f94 c6e61f60 c0599298 c0598c04 105.941507] [7 f c100:6 .060907094] 1f60: 00000000 00000000 c6e61fac 677d3c70 0000000d 0000000d b6f3ce00 00000004 000b 0000000b [b 6 f1e006e.0700 7267] 1f80: c03002e4 c6e60000 c6e61fa4 c6e61f98 c0599328 c0599230 00000000 c6e61fa8 0000004 00000001[ 0 0100060.07017440] 1fa0: c03000c0 c059931c 0000000d 0000000d 00000001 b6df5000 0000000d 00000000 00020000 be953[a 6 41 0 6#. 7[2 696] 1fc0: 0000000d 0000000d b6f3ce00 00000004 00000001 00000000 00020000 bedd5a64 105.949690] 7fe[0 : 100060.07037868] 1fe0: 00000004 bedd5798 b6ea74cf b6e2d7e6 800e0030 00000001 00000000 00000000 04 be953798 b6[f 4 b140c6f. 7b468119] Backtrace: d17e6 # [ 105.954751] Code: c[6 106.752575] [] (execute_location) from [] (lkdtm_EXEC_KMALLOC+0x38/0x44) e67e08 c135dc74[ c 113056d.a7364692] r7:c6e61f60 r6:0000000d r5:c4766000 r4:c4793140 c6e67e6c (e1a0c00d)[ 1#0 6[.771350] [] (lkdtm_EXEC_KMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) 105.96085[5 ] 1-0-6-.[7 8e1n9d48] r5:c4766000 r4:00000021 trace 602be0240ace[6 2 41a0 6].-787350] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) - # EXEC_STACK: mis[s i n1g0 6'.797526] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) all trace:': [F[A I L1]0 6 .n8o0t694] r9:c6e61f60 r8:c5357900 r7:0000000d r6:b6df5000 r5:c5a91b80 r4:c0c33420 ok 31 selftests: lkdtm: EX[E C _06.817438] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) STACK.sh # exit=1[ #1 0s6e.l8f7777] r9:c07e05ec r8:c6e61f60 r7:c2816000 r6:b6df5000 r5:c5a91b80 r4:00000000 tests: lkdtm: EX[E C _1K0M6A.L8L37601] [] (vfs_write) from [] (ksys_write+0x74/0xec) C.sh [ 106.846816] r10:00000004 r9:00000000 r8:00000000 r7:b6df5000 r6:c6e60000 r5:c5a91b80 [ 106.855160] r4:c5a91b80 [ 106.857703] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 106.864845] r9:c6e60000 r8:c03002e4 r7:00000004 r6:b6f3ce00 r5:0000000d r4:0000000d [ 106.872601] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 106.880175] Exception stack(0xc6e61fa8 to 0xc6e61ff0) [ 106.885234] 1fa0: 0000000d 0000000d 00000001 b6df5000 0000000d 00000000 [ 106.893419] 1fc0: 0000000d 0000000d b6f3ce00 00000004 00000001 00000000 00020000 bedd5a64 [ 106.901601] 1fe0: 00000004 bedd5798 b6ea74cf b6e2d7e6 [ 106.906664] Code: 00000000 00000002 00000000 00000000 (e1a0c00d) [ 106.912766] ---[ end trace 602be0240ace624b ]--- # Segmentation fault # [ 106.409537] lkdtm: Performing direct entry EXEC_KMALLOC # [ 106.415361] lkdtm: attempting ok execution at c0c33db0 # [ 106.422843] lkdtm: attempting bad execution at c4793140 # [ 106.431000] 8<--- cut here --- # [ 106.436773] Unable to handle kernel paging request at virtual address c4793140 # [ 106.445905] pgd = 67c2f2ef # [ 106.450518] [c4793140] *pgd=1461141e(bad) # [ 106.456962] Internal error: Oops: 8000000d [#5] SMP ARM # [ 106.464180] 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 imx_ldb flexcan can_dev dw_hdmi_imx etnaviv dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 # [ 106.495883] CPU: 3 PID: 1948 Comm: cat Tainted: G D W 5.10.162-cip23 #1 # [ 106.505789] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 106.514056] PC is at 0xc4793140 # [ 106.519287] LR is at execute_location+0xa4/0xb4 # [ 106.526322] pc : [] lr : [] psr: 600e0013 # [ 106.534322] sp : c6e61e30 ip : c6e61d38 fp : c6e61e4c # [ 106.541195] r10: 0000000d r9 : c1accee4 r8 : c15e8704 # [ 106.548156] r7 : c6e61f60 r6 : 00000001 r5 : c4793140 r4 : c0c33db0 # [ 106.556505] r3 : 677d3c70 r2 : 677d3c70 r1 : ef7c05e0 r0 : 0000002b # [ 106.564768] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 106.573810] Control: 10c5387d Table: 16f3004a DAC: 00000051 # [ 106.581376] Process cat (pid: 1948, stack limit = 0xd2b2e05c) # [ 106.588944] Stack: (0xc6e61e30 to 0xc6e62000) # [ 106.595039] 1e20: c4793140 c4766000 0000000d c6e61f60 # [ 106.605296] 1e40: c6e61e64 c6e61e50 c0c33e00 c135da34 00000021 c4766000 c6e61e74 c6e61e68 # [ 106.615553] 1e60: c0c33040 c0c33dd4 c6e61e9c c6e61e78 c0c33540 c0c33020 c0c33420 c5a91b80 # [ 106.625725] 1e80: b6df5000 0000000d c5357900 c6e61f60 c6e61ec4 c6e61ea0 c07e0650 c0c3342c # [ 106.635897] 1ea0: 00000000 c5a91b80 b6df5000 c2816000 c6e61f60 c07e05ec c6e61f5c c6e61ec8 # [ 106.646154] 1ec0: c0598d04 c07e05f8 00000001 00000000 c0599298 c5951924 c0599298 c6e60000 # [ 106.656325] 1ee0: b6df5000 00020000 00000004 0000000d 0001fff3 c6e61ee0 00000001 00000805 # [ 106.666581] 1f00: c59eadc0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 106.676666] 1f20: 00000000 00000000 c6e60000 677d3c70 b6df4000 c5a91b80 c5a91b80 c6e60000 # [ 106.686925] 1f40: b6df5000 00000000 00000000 00000004 c6e61f94 c6e61f60 c0599298 c0598c04 # [ 106.697094] 1f60: 00000000 00000000 c6e61fac 677d3c70 0000000d 0000000d b6f3ce00 00000004 # [ 106.707267] 1f80: c03002e4 c6e60000 c6e61fa4 c6e61f98 c0599328 c0599230 00000000 c6e61fa8 # [ 106.717440] 1fa0: c03000c0 c059931c 0000000d 0000000d 00000001 b6df5000 0000000d 00000000 # [ 106.727696] 1fc0: 0000000d 0000000d b6f3ce00 00000004 00000001 00000000 00020000 bedd5a64 # [ 106.737868] 1fe0: 00000004 bedd5798 b6ea74cf b6e2d7e6 800e0030 00000001 00000000 00000000 # [ 106.748119] Backtrace: # [ 106.752575] [] (execute_location) from [] (lkdtm_EXEC_KMALLOC+0x38/0x44) # [ 106.763692] r7:c6e61f60 r6:0000000d r5:c4766000 r4:c4793140 # [ 106.771350] [] (lkdtm_EXEC_KMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) # [ 106.781948] r5:c4766000 r4:00000021 # [ 106.787350] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 106.797526] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 106.807694] r9:c6e61f60 r8:c5357900 r7:0000000d r6:b6df5000 r5:c5a91b80 r4:c0c33420 # [ 106.817438] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 106.827777] r9:c07e05ec r8:c6e61f60 r7:c2816000 r6:b6df5000 r5:c5a91b80 r4:00000000 # [ 106.837601] [] (vf[ 107.374470] lkdtm: Performing direct entry EXEC_VMALLOC s_write) from [] (ksys_[ 107.381162] lkdtm: attempting ok execution at c0c33db0 write+0x74/0xec) # [ 106.846816[ 107.389100] lkdtm: attempting bad execution at f096c000 ] r10:00000004 r9:00000000 r8:00[ 107.397180] 8<--- cut here --- 000000 r7:b6df5000[ r 61:0c76.e403033] Unable to handle kernel paging request at virtual address f096c000 0000 r5:c5a91b80 # [ 106.855160[ 107.412466] pgd = 3355dd02 ] r4:c5a91b80 # [ 106.857703] [ 107.418053] [f096c000] *pgd=12949811, *pte=49af865f, *ppte=49af845f [] (ksys_write) from [<[ 107.427167] Internal error: Oops: 8000000f [#6] SMP ARM c0599328>] (sys_write+0x18/0x1c) [ 107.435223] 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 imx_ldb flexcan can_dev dw_hdmi_imx etnaviv dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 # [ 106.864845] r9[: c 61e0670466940] CPU: 3 PID: 2025 Comm: cat Tainted: G D W 5.10.162-cip23 #1 000 r8:c030[0 2 e140 7.r477:609034] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 00004 r6:b6f3ce00 r[5 : 0100070.085290] PC is at 0xf096c000 00d r4:0000000d # [ 106.872601][ 107.490613] LR is at execute_location+0xa4/0xb4 [[] (1s0y7s._4w9r7i992] pc : [] lr : [] psr: 600e0013 e) from [0]6 1(9] sp : c478fe30 ip : c478fd38 fp : c478fe4c ret_fast[_ s y1s0c7a.l5l1+3021x40 r10: 0000000d r9 : c1accef4 r8 : c15e8704 /0x28) # [[ 110076..5828000190] r7 : c478ff60 r6 : 00000001 r5 : f096c000 r4 : c0c33db0 5] Excepti[o n 1s0t7a.c5k2(804x40] r3 : bc7144ce r2 : bc7144ce r1 : ef7c05e0 r0 : 0000002b 6e61fa8 to 0xc[6 e 61107f.f503)6 91] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 106.8852[3 4 ]1 017f.a504:5836] Control: 10c5387d Table: 16f6404a DAC: 00000051 [ 100070.05050579] Process cat (pid: 2025, stack limit = 0x203981b5) 0d 0000000d [0 0 0100070.0516 1b319] Stack: (0xc478fe30 to 0xc4790000) df5000 0000000d 000[0 0100070. 567590] fe20: f096c000 c5bb7000 0000000d c478ff60 # [ 106.893419] 1fc0:[ 0 010070577939] fe40: c478fe64 c478fe50 c0c33e34 c135da34 00000022 c5bb7000 c478fe74 c478fe68 000d 0000000d b6f3[c e 0100 70.0588370] fe60: c0c33040 c0c33e18 c478fe9c c478fe78 c0c33540 c0c33020 c0c33420 c5a91680 00004 00000001 00[0 0 0100070. 508716] fe80: b6de0000 0000000d c5357900 c478ff60 c478fec4 c478fea0 c07e0650 c0c3342c 0020000 bedd5a64 [# [1 0 71.0608977] fea0: 00000000 c5a91680 b6de0000 c2816000 c478ff60 c07e05ec c478ff5c c478fec8 .901601] 1fe0: 0000[0 0 0140 7b.e19324] fec0: c0598d04 c07e05f8 00000001 00000000 c0599298 c5950b64 c0599298 c478e000 dd5798 b6ea74cf b[6 e 21d077e.66 9669] fee0: b6de0000 00020000 00000004 0000000d 0001fff3 c478fee0 00000001 00000805 # [ 106.906664][ C o1d0e7:. 609928] ff00: c5a29680 00000000 00000000 00000000 00000000 00000000 00000000 00000000 0000000 00000002 [0 0 0100070.0600190] ff20: 00000000 00000000 c478e000 bc7144ce b6ddf000 c5a91680 c5a91680 c478e000 00000000 (e1a0c00d)[ 1#0 7[.660452] ff40: b6de0000 00000000 00000000 00000004 c478ff94 c478ff60 c0599298 c0598c04 106.912766] ---[[ e n1d0 7t.r6a0884] ff60: 00000000 00000000 c478ffac bc7144ce 0000000d 0000000d b6f27e00 00000004 ce 602be0240ace62[4 b 1]0-7-.-6 1144] ff80: c03002e4 c478e000 c478ffa4 c478ff98 c0599328 c0599230 00000000 c478ffa8 # EXEC_KMALLOC: [m i s1s0i7n.g6 1403] ffa0: c03000c0 c059931c 0000000d 0000000d 00000001 b6de0000 0000000d 00000000 'call trace:': [FA[I L ]1 0 7n.o701664] ffc0: 0000000d 0000000d b6f27e00 00000004 00000001 00000000 00020000 be987a64 ok 32 selftest[s : 1l0k7d.t7m1:010] ffe0: 00000004 be987798 b6e924cf b6e187e6 800e0030 00000001 00000000 00000000 EXEC_KMALLOC.sh [# e1x0i7t.=712175] Backtrace: # selftests: lkdtm: EXEC_VMALLO[ 107.726723] [] (execute_location) from [] (lkdtm_EXEC_VMALLOC+0x28/0x34) C.sh [ 107.738016] r7:c478ff60 r6:0000000d r5:c5bb7000 r4:f096c000 [ 107.744199] [] (lkdtm_EXEC_VMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) [ 107.752558] r5:c5bb7000 r4:00000022 [ 107.756148] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 107.764173] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 107.772102] r9:c478ff60 r8:c5357900 r7:0000000d r6:b6de0000 r5:c5a91680 r4:c0c33420 [ 107.779867] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 107.787710] r9:c07e05ec r8:c478ff60 r7:c2816000 r6:b6de0000 r5:c5a91680 r4:00000000 [ 107.795473] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 107.802624] r10:00000004 r9:00000000 r8:00000000 r7:b6de0000 r6:c478e000 r5:c5a91680 [ 107.810460] r4:c5a91680 [ 107.813013] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 107.820164] r9:c478e000 r8:c03002e4 r7:00000004 r6:b6f27e00 r5:0000000d r4:0000000d [ 107.827921] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 107.835500] Exception stack(0xc478ffa8 to 0xc478fff0) [ 107.840566] ffa0: 0000000d 0000000d 00000001 b6de0000 0000000d 00000000 [ 107.848759] ffc0: 0000000d 0000000d b6f27e00 00000004 00000001 00000000 00020000 be987a64 [ 107.856947] ffe0: 00000004 be987798 b6e924cf b6e187e6 [ 107.862017] Code: bad PC value [ 107.865168] ---[ end trace 602be0240ace624c ]--- # Segmentation fault # [ 107.374470] lkdtm: Performing direct entry EXEC_VMALLOC # [ 107.381162] lkdtm: attempting ok execution at c0c33db0 # [ 107.389100] lkdtm: attempting bad execution at f096c000 # [ 107.397180] 8<--- cut here --- # [ 107.403033] Unable to handle kernel paging request at virtual address f096c000 # [ 107.412466] pgd = 3355dd02 # [ 107.418053] [f096c000] *pgd=12949811, *pte=49af865f, *ppte=49af845f # [ 107.427167] Internal error: Oops: 8000000f [#6] SMP ARM # [ 107.435223] 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 imx_ldb flexcan can_dev dw_hdmi_imx etnaviv dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 # [ 107.466940] CPU: 3 PID: 2025 Comm: cat Tainted: G D W 5.10.162-cip23 #1 # [ 107.476934] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 107.485290] PC is at 0xf096c000 # [ 107.490613] LR is at execute_location+0xa4/0xb4 # [ 107.497992] pc : [] lr : [] psr: 600e0013 # [ 107.506169] sp : c478fe30 ip : c478fd38 fp : c478fe4c # [ 107.513214] r10: 0000000d r9 : c1accef4 r8 : c15e8704 # [ 107.520090] r7 : c478ff60 r6 : 00000001 r5 : f096c000 r4 : c0c33db0 # [ 107.528440] r3 : bc7144ce r2 : bc7144ce r1 : ef7c05e0 r0 : 0000002b # [ 107.536791] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 107.545836] Control: 10c5387d Table: 16f6404a DAC: 00000051 # [ 107.553579] Process cat (pid: 2025, stack limit = 0x203981b5) # [ 107.561319] Stack: (0xc478fe30 to 0xc4790000) # [ 107.567590] fe20: f096c000 c5bb7000 0000000d c478ff60 # [ 107.577939] fe40: c478fe64 c478fe50 c0c33e34 c135da34 00000022 c5bb7000 c478fe74 c478fe68 # [ 107.588370] fe60: c0c33040 c0c33e18 c478fe9c c478fe78 c0c33540 c0c33020 c0c33420 c5a91680 # [ 107.598716] fe80: b6de0000 0000000d c5357900 c478ff60 c478fec4 c478fea0 c07e0650 c0c3342c # [ 107.608977] fea0: 00000000 c5a91680 b6de0000 c2816000 c478ff60 c07e05ec c478ff5c c478fec8 # [ 107.619324] fec0: c0598d04 c07e05f8 00000001 00000000 c0599298 c5950b64 c0599298 c478e000 # [ 107.629669] fee0: b6de0000 00020000 00000004 0000000d 0001fff3 c478fee0 00000001 00000805 # [ 107.639928] ff00: c5a29680 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 107.650190] ff20: 00000000 00000000 c478e000 bc7144ce b6ddf000 c5a91680 c5a91680 c478e000 # [ 107.660452] ff40: b6de0000 00000000 00000000 00000004 c478ff94 c478ff60 c0599298 c0598c04 # [ 107.670884] ff60: 00000000 00000000 c478ffac bc7144ce 0000000d 0000000d b6f27e00 00000004 # [ 107.681144] ff80: c03002e4 c478e000 c478ffa4 c478ff98 c0599328 c0599230 00000000 c478ffa8 # [ 107.691403] ffa0: c03000c0 c059931c 0000000d 0000000d 00000001 b6de0000 0000000d 00000000 # [ 107.701664] ffc0: 0000000d 0000000d b6f27e00 00000004 00000001 00000000 00020000 be987a64 # [ 107.712010] ffe0: 00000004 be987798 b6e924cf b6e187e6 800e0030 00000001 00000000 00000000 # [ 107.722175] Backtrace: # [ 107.726723] [] (execute_location) from [] (lkdtm_EXEC_VMALLOC+0x28/0x34) # [ 107.738016] r7:c478ff60 r6:0000000d r5:c5bb7000 r4:f096c000 # [ 107.744199] [] (lkdtm_EXEC_VMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) # [ 107.752558] r5:c5bb7000 r4:00000022 # [ 107.756148] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 107.764173] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 107.772102] r9:c478ff60 r8:c5357900 r7:0000000d r6:b6de0000 r5:c5a91680 r4:c0c33420 # [ 107.779867] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 107.787710] r9:c07e05ec r8:c478ff60 r7:c2816000 r6:b6de0000 r5:c5a91680 r4:00000000 # [ 107.795473] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 107.802624] r10:00000004 r9:00000000 r8:0[ 108.306208] lkdtm: Performing direct entry EXEC_RODATA 0000000 r7:b6de0000 r6:c478e000 r[ 108.314026] lkdtm: attempting ok execution at c0c33db0 5:c5a91680 # [ 107.810460] r4:[ 108.321968] lkdtm: attempting bad execution at c15e89a0 c5a91680 # [ 107.813013] [] (ksys_write) [f r o1m0 8[.335891] Unable to handle kernel paging request at virtual address c15e89a0 c0599328>] (sys_[w r i1t0e8+.03x45364] pgd = 442a592b 8/0x1c) # [ 107.820164] r[9 : 108.350148] [c15e89a0] *pgd=1141941e(bad) 478e000 r8:c03002e4 r[7 : 0100080356762] Internal error: Oops: 8000000d [#7] SMP ARM 0004 r6:b6f27e00 r5:0000000d r4:0[ 108.364237] 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 imx_ldb flexcan can_dev dw_hdmi_imx etnaviv dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 000000d # [ 107.82792[1 ] 1[0<.395936] CPU: 1 PID: 2102 Comm: cat Tainted: G D W 5.10.162-cip23 #1 c0599310>] (sys[_ w r10i8t.e4)0 6011] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) rom [] (ret_fast_sysca[ 108.414541] PC is at lkdtm_rodata_do_nothing+0x0/0x10 l+0x0/0x28) # [ 107.835500] E[x 108.422363] LR is at execute_location+0xa4/0xb4 ception stack(0[x c 417088f.f4a28569] pc : [] lr : [] psr: 600e0013 to 0xc478fff0[) 1#0 8[. 4 317827] sp : c5a7de38 ip : c5a7dd40 fp : c5a7de54 7.840566] ff[a 0 :1 0 8 . 4 4 5 044] r10: 0000000c r9 : c1accf04 r8 : c15e8704 0000[0 0 010d8 .040502174] r7 : c5a7df60 r6 : 00000000 r5 : c15e89a0 r4 : c0c33db0 000d 00000001[ b 61d0e80.040600 92] r3 : 385bb435 r2 : 385bb435 r1 : ef7965e0 r0 : 0000002b 0000000d 00000000 [ # 1[0 8 .1469127] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none 7.848759] ffc0[: 0100080.040708426] Control: 10c5387d Table: 16ec004a DAC: 00000051 0000000d b6f27e00[ 0 0100080.0486164] Process cat (pid: 2102, stack limit = 0xe8bb8d6e) 4 00000001 000000[0 0 100080.2404073] Stack: (0xc5a7de38 to 0xc5a7e000) 000 be987a64 # [ [1 0 71.0885.600510] de20: 00000023 c6e35000 947] ffe0: 00000004 [b e 9180787.510853] de40: 0000000c c5a7df60 c5a7de64 c5a7de58 c135dcb4 c135da34 c5a7de74 c5a7de68 8 b6e924cf b6e187e6 [ # 1[0 8 .521283] de60: c0c33040 c135dc9c c5a7de9c c5a7de78 c0c33540 c0c33020 c0c33420 c5a29cc0 07.862017] Code: bad [P C 1v0a8l531711] de80: b6e36000 0000000c c5357900 c5a7df60 c5a7dec4 c5a7dea0 c07e0650 c0c3342c ue # [ 107.865168] [- - -1[0 8e542140] dea0: 00000000 c5a29cc0 b6e36000 c2816000 c5a7df60 c07e05ec c5a7df5c c5a7dec8 nd trace 602be0240ace[6 2 41c0 8]552569] dec0: c0598d04 c07e05f8 00000001 00000000 c0599298 c13732e0 c0599298 c5a7c000 --- # EXEC_VMALLOC: mi[s s i1n0g.562999] dee0: b6e36000 00020000 00000004 0000000c 0001fff4 c5a7dee0 00000001 b6e35000 'call trace:': [FAIL[] 1n0o8t573512] df00: c6a1a140 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ok 33 selftests: lk[d t m1:0 8E.583939] df20: 00000000 00000000 c13732e0 385bb435 c205c620 c5a29cc0 c5a29cc0 c5a7c000 EC_VMALLOC.sh # exit=[1 1#0 8s594367] df40: b6e36000 00000000 00000000 00000004 c5a7df94 c5a7df60 c0599298 c0598c04 elftests: lkdtm: EXEC[_ R O1D0A8T604794] df60: 00000000 00000000 c5a7dfac 385bb435 0000000c 0000000c b6f7de00 00000004 A.sh [ 108.615221] df80: c03002e4 c5a7c000 c5a7dfa4 c5a7df98 c0599328 c0599230 00000000 c5a7dfa8 [ 108.623914] dfa0: c03000c0 c059931c 0000000c 0000000c 00000001 b6e36000 0000000c 00000000 [ 108.632100] dfc0: 0000000c 0000000c b6f7de00 00000004 00000001 00000000 00020000 becb5a64 [ 108.640286] dfe0: 00000004 becb5798 b6ee84cf b6e6e7e6 800e0030 00000001 00000000 00000000 [ 108.648466] Backtrace: [ 108.650934] [] (execute_location) from [] (lkdtm_EXEC_RODATA+0x24/0x28) [ 108.659294] r7:c5a7df60 r6:0000000c r5:c6e35000 r4:00000023 [ 108.664969] [] (lkdtm_EXEC_RODATA) from [] (lkdtm_do_action+0x2c/0x4c) [ 108.673243] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 108.681261] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 108.689187] r9:c5a7df60 r8:c5357900 r7:0000000c r6:b6e36000 r5:c5a29cc0 r4:c0c33420 [ 108.696947] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 108.704784] r9:c07e05ec r8:c5a7df60 r7:c2816000 r6:b6e36000 r5:c5a29cc0 r4:00000000 [ 108.712536] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 108.719679] r10:00000004 r9:00000000 r8:00000000 r7:b6e36000 r6:c5a7c000 r5:c5a29cc0 [ 108.727512] r4:c5a29cc0 [ 108.730055] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 108.737199] r9:c5a7c000 r8:c03002e4 r7:00000004 r6:b6f7de00 r5:0000000c r4:0000000c [ 108.744953] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 108.752528] Exception stack(0xc5a7dfa8 to 0xc5a7dff0) [ 108.757587] dfa0: 0000000c 0000000c 00000001 b6e36000 0000000c 00000000 [ 108.765772] dfc0: 0000000c 0000000c b6f7de00 00000004 00000001 00000000 00020000 becb5a64 [ 108.773955] dfe0: 00000004 becb5798 b6ee84cf b6e6e7e6 [ 108.779015] Code: 5f727563 6e756f63 00000074 aa55aa55 (e1a0c00d) [ 108.785119] ---[ end trace 602be0240ace624d ]--- # Segmentation fault # [ 108.306208] lkdtm: Performing direct entry EXEC_RODATA # [ 108.314026] lkdtm: attempting ok execution at c0c33db0 # [ 108.321968] lkdtm: attempting bad execution at c15e89a0 # [ 108.330118] 8<--- cut here --- # [ 108.335891] Unable to handle kernel paging request at virtual address c15e89a0 # [ 108.345364] pgd = 442a592b # [ 108.350148] [c15e89a0] *pgd=1141941e(bad) # [ 108.356762] Internal error: Oops: 8000000d [#7] SMP ARM # [ 108.364237] 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 imx_ldb flexcan can_dev dw_hdmi_imx etnaviv dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 # [ 108.395936] CPU: 1 PID: 2102 Comm: cat Tainted: G D W 5.10.162-cip23 #1 # [ 108.406011] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 108.414541] PC is at lkdtm_rodata_do_nothing+0x0/0x10 # [ 108.422363] LR is at execute_location+0xa4/0xb4 # [ 108.429569] pc : [] lr : [] psr: 600e0013 # [ 108.437827] sp : c5a7de38 ip : c5a7dd40 fp : c5a7de54 # [ 108.445044] r10: 0000000c r9 : c1accf04 r8 : c15e8704 # [ 108.452174] r7 : c5a7df60 r6 : 00000000 r5 : c15e89a0 r4 : c0c33db0 # [ 108.460692] r3 : 385bb435 r2 : 385bb435 r1 : ef7965e0 r0 : 0000002b # [ 108.469127] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 108.478426] Control: 10c5387d Table: 16ec004a DAC: 00000051 # [ 108.486164] Process cat (pid: 2102, stack limit = 0xe8bb8d6e) # [ 108.494073] Stack: (0xc5a7de38 to 0xc5a7e000) # [ 108.500510] de20: 00000023 c6e35000 # [ 108.510853] de40: 0000000c c5a7df60 c5a7de64 c5a7de58 c135dcb4 c135da34 c5a7de74 c5a7de68 # [ 108.521283] de60: c0c33040 c135dc9c c5a7de9c c5a7de78 c0c33540 c0c33020 c0c33420 c5a29cc0 # [ 108.531711] de80: b6e36000 0000000c c5357900 c5a7df60 c5a7dec4 c5a7dea0 c07e0650 c0c3342c # [ 108.542140] dea0: 00000000 c5a29cc0 b6e36000 c2816000 c5a7df60 c07e05ec c5a7df5c c5a7dec8 # [ 108.552569] dec0: c0598d04 c07e05f8 00000001 00000000 c0599298 c13732e0 c0599298 c5a7c000 # [ 108.562999] dee0: b6e36000 00020000 00000004 0000000c 0001fff4 c5a7dee0 00000001 b6e35000 # [ 108.573512] df00: c6a1a140 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 108.583939] df20: 00000000 00000000 c13732e0 385bb435 c205c620 c5a29cc0 c5a29cc0 c5a7c000 # [ 108.594367] df40: b6e36000 00000000 00000000 00000004 c5a7df94 c5a7df60 c0599298 c0598c04 # [ 108.604794] df60: 00000000 00000000 c5a7dfac 385bb435 0000000c 0000000c b6f7de00 00000004 # [ 108.615221] df80: c03002e4 c5a7c000 c5a7dfa4 c5a7df98 c0599328 c0599230 00000000 c5a7dfa8 # [ 108.623914] dfa0: c03000c0 c059931c 0000000c 0000000c 00000001 b6e36000 0000000c 00000000 # [ 108.632100] dfc0: 0000000c 0000000c b6f7de00 00000004 00000001 00000000 00020000 becb5a64 # [ 108.640286] dfe0: 00000004 becb5798 b6ee84cf b6e6e7e6 800e0030 00000001 00000000 00000000 # [ 108.648466] Backtrace: # [ 108.650934] [] (execute_location) from [] (lkdtm_EXEC_RODATA+0x24/0x28) # [ 108.659294] r7:c5a7df60 r6:0000000c r5:c6e35000 r4:00000023 # [ 108.664969] [] (lkdtm_EXEC_RODATA) from [] (lkdtm_do_action+0x2c/0x4c) # [ 108.673243] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 108.681261] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 108.689187] r9:c5a7df60 r8:c5357900 r7:0000000c r6:b6e36000 r5:c5a29cc0 r4:c0c33420 # [ 108.696947] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 108.704784] r9:c07e05ec r8:c5a7df60 r7:c2816000 r6:b6e36000 r5:c5a29cc0 r4:00000000 # [ 108.712536] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 108.719679] r10:00000004 r9:00000000 r8:00000000 r7:b6e36000 r6:c5a7c000 r5:c5a29cc0 # [ 108.727512] r4:c5a29cc0 # [ 108.730055] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 108.737199] r9:c5a7c000 r8:c03002e4 r7:00000004 r6:b6f7de00 r5:0000000c r4:0000000c #[ 109.248433] lkdtm: Performing direct entry EXEC_USERSPACE [ 108.744953] [] (sys[ 109.256412] lkdtm: attempting ok execution at c0c33db0 _write) from [] (ret_fa[ 109.264456] lkdtm: attempting bad execution at b6fa2000 st_syscall+0x0/0x28) # [ 108.75[ 109.272603] Unhandled prefetch abort: page domain fault (0x00b) at 0xb6fa2000 [ 109.282540] Internal error: : b [#8] SMP ARM [ 109.286818] 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 imx_ldb flexcan can_dev dw_hdmi_imx etnaviv dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 [ 109.315853] CPU: 0 PID: 2178 Comm: cat Tainted: G D W 5.10.162-cip23 #1 [ 109.323602] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 109.330139] PC is at 0xb6fa2000 [ 109.333295] LR is at lkdtm_EXEC_USERSPACE+0xc4/0xd4 [ 109.338178] pc : [] lr : [] psr: 600e0013 [ 109.344450] sp : c6be7e48 ip : c6be7d50 fp : c6be7e64 [ 109.349679] r10: 0000000f r9 : c1accf10 r8 : c15e8704 [ 109.354909] r7 : c6be7f60 r6 : 0000000f r5 : c5c07000 r4 : b6fa2000 [ 109.361440] r3 : 886fff27 r2 : 886fff27 r1 : ef7815e0 r0 : 0000002b [ 109.367974] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 109.375114] Control: 10c5387d Table: 147c404a DAC: 00000051 [ 109.380866] Process cat (pid: 2178, stack limit = 0xbf05eee4) [ 109.386619] Stack: (0xc6be7e48 to 0xc6be8000) [ 109.390986] 7e40: 00000001 00000000 0000000f 00000024 c6be7e74 c6be7e68 [ 109.399172] 7e60: c0c33040 c0c33e4c c6be7e9c c6be7e78 c0c33540 c0c33020 c0c33420 c5b34140 [ 109.407358] 7e80: b6e5c000 0000000f c5357900 c6be7f60 c6be7ec4 c6be7ea0 c07e0650 c0c3342c [ 109.415543] 7ea0: 00000000 c5b34140 b6e5c000 c2816000 c6be7f60 c07e05ec c6be7f5c c6be7ec8 [ 109.423727] 7ec0: c0598d04 c07e05f8 00000001 00000000 c0599298 c13732e0 c0599298 c6be6000 [ 109.431914] 7ee0: b6e5c000 00020000 00000004 0000000f 0001fff1 c6be7ee0 00000001 b6e5b000 [ 109.440100] 7f00: c5d6f180 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 109.448287] 7f20: 00000000 00000000 c13732e0 886fff27 c205c620 c5b34140 c5b34140 c6be6000 [ 109.456472] 7f40: b6e5c000 00000000 00000000 00000004 c6be7f94 c6be7f60 c0599298 c0598c04 [ 109.464657] 7f60: 00000000 00000000 c6be7fac 886fff27 0000000f 0000000f b6fa3e00 00000004 [ 109.472842] 7f80: c03002e4 c6be6000 c6be7fa4 c6be7f98 c0599328 c0599230 00000000 c6be7fa8 [ 109.481027] 7fa0: c03000c0 c059931c 0000000f 0000000f 00000001 b6e5c000 0000000f 00000000 [ 109.489212] 7fc0: 0000000f 0000000f b6fa3e00 00000004 00000001 00000000 00020000 be9f0a64 [ 109.497397] 7fe0: 00000004 be9f0798 b6f0e4cf b6e947e6 800e0030 00000001 00000000 00000000 [ 109.505576] Backtrace: [ 109.508044] [] (lkdtm_EXEC_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) [ 109.516573] r4:00000024 [ 109.519120] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 109.527137] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 109.535062] r9:c6be7f60 r8:c5357900 r7:0000000f r6:b6e5c000 r5:c5b34140 r4:c0c33420 [ 109.542820] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 109.550659] r9:c07e05ec r8:c6be7f60 r7:c2816000 r6:b6e5c000 r5:c5b34140 r4:00000000 [ 109.558411] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 109.565556] r10:00000004 r9:00000000 r8:00000000 r7:b6e5c000 r6:c6be6000 r5:c5b34140 [ 109.573389] r4:c5b34140 [ 109.575933] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 109.583076] r9:c6be6000 r8:c03002e4 r7:00000004 r6:b6fa3e00 r5:0000000f r4:0000000f [ 109.590830] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 109.598405] Exception stack(0xc6be7fa8 to 0xc6be7ff0) [ 109.603465] 7fa0: 0000000f 0000000f 00000001 b6e5c000 0000000f 00000000 [ 109.611650] 7fc0: 0000000f 0000000f b6fa3e00 00000004 00000001 00000000 00020000 be9f0a64 [ 109.619832] 7fe0: 00000004 be9f0798 b6f0e4cf b6e947e6 [ 109.624897] Code: bad PC value [ 109.627963] ---[ end trace 602be0240ace624e ]--- 2528] Exception stack(0xc5a7dfa8 to 0xc5a7dff0) # [ 108.757587] dfa0: 0000000c 0000000c 00000001 b6e36000 0000000c 00000000 # [ 108.765772] dfc0: 0000000c 0000000c b6f7de00 00000004 00000001 00000000 00020000 becb5a64 # [ 108.773955] dfe0: 00000004 becb5798 b6ee84cf b6e6e7e6 # [ 108.779015] Code: 5f727563 6e756f63 00000074 aa55aa55 (e1a0c00d) # [ 108.785119] ---[ end trace 602be0240ace624d ]--- # EXEC_RODATA: missing 'call trace:': [FAIL] not ok 34 selftests: lkdtm: EXEC_RODATA.sh # exit=1 # selftests: lkdtm: EXEC_USERSPACE.sh # Segmentation fault # [ 109.248433] lkdtm: Performing direct entry EXEC_USERSPACE # [ 109.256412] lkdtm: attempting ok execution at c0c33db0 # [ 109.264456] lkdtm: attempting bad execution at b6fa2000 # [ 109.272603] Unhandled prefetch abort: page domain fault (0x00b) at 0xb6fa2000 # [ 109.282540] Internal error: : b [#8] SMP ARM # [ 109.286818] 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 imx_ldb flexcan can_dev dw_hdmi_imx etnaviv dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 # [ 109.315853] CPU: 0 PID: 2178 Comm: cat Tainted: G D W 5.10.162-cip23 #1 # [ 109.323602] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 109.330139] PC is at 0xb6fa2000 # [ 109.333295] LR is at lkdtm_EXEC_USERSPACE+0xc4/0xd4 # [ 109.338178] pc : [] lr : [] psr: 600e0013 # [ 109.344450] sp : c6be7e48 ip : c6be7d50 fp : c6be7e64 # [ 109.349679] r10: 0000000f r9 : c1accf10 r8 : c15e8704 # [ 109.354909] r7 : c6be7f60 r6 : 0000000f r5 : c5c07000 r4 : b6fa2000 # [ 109.361440] r3 : 886fff27 r2 : 886fff27 r1 : ef7815e0 r0 : 0000002b # [ 109.367974] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 109.375114] Control: 10c5387d Table: 147c404a DAC: 00000051 # [ 109.380866] Process cat (pid: 2178, stack limit = 0xbf05eee4) # [ 109.386619] Stack: (0xc6be7e48 to 0xc6be8000) # [ 109.390986] 7e40: 00000001 00000000 0000000f 00000024 c6be7e74 c6be7e68 # [ 109.399172] 7e60: c0c33040 c0c33e4c c6be7e9c c6be7e78 c0c33540 c0c33020 c0c33420 c5b34140 # [ 109.407358] 7e80: b6e5c000 0000000f c5357900 c6be7f60 c6be7ec4 c6be7ea0 c07e0650 c0c3342c # [ 109.415543] 7ea0: 00000000 c5b34140 b6e5c000 c2816000 c6be7f60 c07e05ec c6be7f5c c6be7ec8 # [ 109.423727] 7ec0: c0598d04 c07e05f8 00000001 00000000 c0599298 c13732e0 c0599298 c6be6000 # [ 109.431914] 7ee0: b6e5c000 00020000 00000004 0000000f 0001fff1 c6be7ee0 00000001 b6e5b000 # [ 109.440100] 7f00: c5d6f180 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 109.448287] 7f20: 00000000 00000000 c13732e0 886fff27 c205c620 c5b34140 c5b34140 c6be6000 # [ 109.456472] 7f40: b6e5c000 00000000 00000000 00000004 c6be7f94 c6be7f60 c0599298 c0598c04 # [ 109.464657] 7f60: 00000000 00000000 c6be7fac 886fff27 0000000f 0000000f b6fa3e00 00000004 # [ 109.472842] 7f80: c03002e4 c6be6000 c6be7fa4 c6be7f98 c0599328 c0599230 00000000 c6be7fa8 # [ 109.481027] 7fa0: c03000c0 c059931c 0000000f 0000000f 00000001 b6e5c000 0000000f 00000000 # [ 109.489212] 7fc0: 0000000f 0000000f b6fa3e00 00000004 00000001 00000000 00020000 be9f0a64 # [ 109.497397] 7fe0: 00000004 be9f0798 b6f0e4cf b6e947e6 800e0030 00000001 00000000 00000000 # [ 109.505576] Backtrace: # [ 109.508044] [] (lkdtm_EXEC_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 109.516573] r4:00000024 # [ 109.519120] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 109.527137] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 109.535062] r9:c6be7f60 r8:c5357900 r7:0000000f r6:b6e5c000 r5:c5b34140 r4:c0c33420 # [ 109.542820] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 109.550659] r9:c07e05ec r8:c6be7f60 r7:c2816000 r6:b6e5c000 r5:c5b34140 r4:00000000 # [ 109.558411] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 109.565556] r10:00000004 r9:00000000 r8:00000000 r7:b6e5c000 r6:c6be6000 r5:c5b34140 # [ 109.573389] r4:c5b34140 # [ 109.575933] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 109.583076] r9:c6be6000 r[ 110.079866] lkdtm: Performing direct entry EXEC_NULL 8:c03002e4 r7:00000004 r6:b6fa3e0[ 110.086967] lkdtm: attempting ok execution at c0c33db0 0 r5:0000000f r4:0000000f # [ 1[ 110.094776] lkdtm: attempting bad execution at 00000000 09.590830] [] (sys_writ[ 110.102921] 8<--- cut here --- e) from [] (ret_fast_sy[ 110.108805] Unable to handle kernel NULL pointer dereference at virtual address 00000000 scall+0x0/0x28) # [ 109.598405][ 110.119777] pgd = 937ef493 Exception stack(0xc6be7fa8 to 0x[ 110.125368] [00000000] *pgd=00000000 c6be7ff0) # [ 109.603465] 7fa0:[ 110.131788] Internal error: Oops: 80000005 [#9] SMP ARM 0000000f 00000[ 110.139839] 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 imx_ldb flexcan can_dev dw_hdmi_imx etnaviv dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 00f 00000001 b6e5[c 0 0101 00.0101538] CPU: 3 PID: 2249 Comm: cat Tainted: G D W 5.10.162-cip23 #1 0000f 00000[0 0 01 1 0#. 1[8 1 319] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 09.611650] 7fc0:[ 0 101000.01080711] PC is at 0x0 f 0000000f b6fa3e00 00000004 00[0 110.194249] LR is at execute_location+0xa4/0xb4 00001 000000[0 0 101000.2200010456] pc : [<00000000>] lr : [] psr: 600e0013 be9f0a[6 4 1 1#0 .[2 0 9160390. sp : c595be38 ip : c595bd40 fp : c595be54 619832][ 7 f1e100:. 20160500020] r10: 0000000a r9 : c1accf20 r8 : c15e8704 04 be9f0798 [b 6 f101e04.c2f2 3b377] r7 : c595bf60 r6 : 00000000 r5 : 00000000 r4 : c0c33db0 e947e6 [# [1 1 01.0293.1682141] r3 : f1ad66dd r2 : f1ad66dd r1 : ef7c05e0 r0 : 0000002b 97] Code: ba[d P11C0 .v2a4l0u0e5] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 109[. 6 2171906.32]4 9-0-29] Control: 10c5387d Table: 16eb004a DAC: 00000051 [ end trace 60[2 b e101204.02a5c6600] Process cat (pid: 2249, stack limit = 0x03b8826b) 624e ]--- [# E1X1E0C._2U6S4E3R8] Stack: (0xc595be38 to 0xc595c000) SPACE: missin[g '1c1a0l.l2 70t517] be20: 00000025 c6c0c000 ace:': [FAIL] not [o k 13150 .s80606] be40: 0000000a c595bf60 c595be64 c595be58 c135dcd8 c135da34 c595be74 c595be68 elftests: lkd[t m :1 1E0X.E2C9_0U48] be60: c0c33040 c135dcc4 c595be9c c595be78 c0c33540 c0c33020 c0c33420 c2fd1540 SERSPACE.sh # e[x i t1=110 . 3#0 033] be80: b6de0000 0000000a c5357900 c595bf60 c595bec4 c595bea0 c07e0650 c0c3342c selftests: lkdt[m : 1E1X0E.3C1_1205] bea0: 00000000 c2fd1540 b6de0000 c2816000 c595bf60 c07e05ec c595bf5c c595bec8 ULL.sh [ 110.321378] bec0: c0598d04 c07e05f8 00000001 00000000 c0599298 c5950324 c0599298 c595a000 [ 110.330245] bee0: b6de0000 00020000 00000004 0000000a 0001fff6 c595bee0 00000001 00000805 [ 110.338429] bf00: c59fc500 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 110.346615] bf20: 00000000 00000000 c595a000 f1ad66dd b6ddf000 c2fd1540 c2fd1540 c595a000 [ 110.354801] bf40: b6de0000 00000000 00000000 00000004 c595bf94 c595bf60 c0599298 c0598c04 [ 110.362986] bf60: 00000000 00000000 c595bfac f1ad66dd 0000000a 0000000a b6f27e00 00000004 [ 110.371172] bf80: c03002e4 c595a000 c595bfa4 c595bf98 c0599328 c0599230 00000000 c595bfa8 [ 110.379359] bfa0: c03000c0 c059931c 0000000a 0000000a 00000001 b6de0000 0000000a 00000000 [ 110.387543] bfc0: 0000000a 0000000a b6f27e00 00000004 00000001 00000000 00020000 be897a64 [ 110.395727] bfe0: 00000004 be897798 b6e924cf b6e187e6 800e0030 00000001 00000000 00000000 [ 110.403907] Backtrace: [ 110.406375] [] (execute_location) from [] (lkdtm_EXEC_NULL+0x20/0x24) [ 110.414561] r7:c595bf60 r6:0000000a r5:c6c0c000 r4:00000025 [ 110.420236] [] (lkdtm_EXEC_NULL) from [] (lkdtm_do_action+0x2c/0x4c) [ 110.428336] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 110.436355] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 110.444281] r9:c595bf60 r8:c5357900 r7:0000000a r6:b6de0000 r5:c2fd1540 r4:c0c33420 [ 110.452040] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 110.459879] r9:c07e05ec r8:c595bf60 r7:c2816000 r6:b6de0000 r5:c2fd1540 r4:00000000 [ 110.467630] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 110.474774] r10:00000004 r9:00000000 r8:00000000 r7:b6de0000 r6:c595a000 r5:c2fd1540 [ 110.482609] r4:c2fd1540 [ 110.485151] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 110.492295] r9:c595a000 r8:c03002e4 r7:00000004 r6:b6f27e00 r5:0000000a r4:0000000a [ 110.500049] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 110.507622] Exception stack(0xc595bfa8 to 0xc595bff0) [ 110.512682] bfa0: 0000000a 0000000a 00000001 b6de0000 0000000a 00000000 [ 110.520866] bfc0: 0000000a 0000000a b6f27e00 00000004 00000001 00000000 00020000 be897a64 [ 110.529051] bfe0: 00000004 be897798 b6e924cf b6e187e6 [ 110.534114] Code: bad PC value [ 110.537250] ---[ end trace 602be0240ace624f ]--- # Segmentation fault # [ 110.079866] lkdtm: Performing direct entry EXEC_NULL # [ 110.086967] lkdtm: attempting ok execution at c0c33db0 # [ 110.094776] lkdtm: attempting bad execution at 00000000 # [ 110.102921] 8<--- cut here --- # [ 110.108805] Unable to handle kernel NULL pointer dereference at virtual address 00000000 # [ 110.119777] pgd = 937ef493 # [ 110.125368] [00000000] *pgd=00000000 # [ 110.131788] Internal error: Oops: 80000005 [#9] SMP ARM # [ 110.139839] 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 imx_ldb flexcan can_dev dw_hdmi_imx etnaviv dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 # [ 110.171538] CPU: 3 PID: 2249 Comm: cat Tainted: G D W 5.10.162-cip23 #1 # [ 110.181359] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 110.189711] PC is at 0x0 # [ 110.194249] LR is at execute_location+0xa4/0xb4 # [ 110.201456] pc : [<00000000>] lr : [] psr: 600e0013 # [ 110.209630] sp : c595be38 ip : c595bd40 fp : c595be54 # [ 110.216502] r10: 0000000a r9 : c1accf20 r8 : c15e8704 # [ 110.223377] r7 : c595bf60 r6 : 00000000 r5 : 00000000 r4 : c0c33db0 # [ 110.231811] r3 : f1ad66dd r2 : f1ad66dd r1 : ef7c05e0 r0 : 0000002b # [ 110.240075] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 110.249029] Control: 10c5387d Table: 16eb004a DAC: 00000051 # [ 110.256600] Process cat (pid: 2249, stack limit = 0x03b8826b) # [ 110.264338] Stack: (0xc595be38 to 0xc595c000) # [ 110.270517] be20: 00000025 c6c0c000 # [ 110.280606] be40: 0000000a c595bf60 c595be64 c595be58 c135dcd8 c135da34 c595be74 c595be68 # [ 110.290948] be60: c0c33040 c135dcc4 c595be9c c595be78 c0c33540 c0c33020 c0c33420 c2fd1540 # [ 110.301033] be80: b6de0000 0000000a c5357900 c595bf60 c595bec4 c595bea0 c07e0650 c0c3342c # [ 110.311205] bea0: 00000000 c2fd1540 b6de0000 c2816000 c595bf60 c07e05ec c595bf5c c595bec8 # [ 110.321378] bec0: c0598d04 c07e05f8 00000001 00000000 c0599298 c5950324 c0599298 c595a000 # [ 110.330245] bee0: b6de0000 00020000 00000004 0000000a 0001fff6 c595bee0 00000001 00000805 # [ 110.338429] bf00: c59fc500 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 110.346615] bf20: 00000000 00000000 c595a000 f1ad66dd b6ddf000 c2fd1540 c2fd1540 c595a000 # [ 110.354801] bf40: b6de0000 00000000 00000000 00000004 c595bf94 c595bf60 c0599298 c0598c04 # [ 110.362986] bf60: 00000000 00000000 c595bfac f1ad66dd 0000000a 0000000a b6f27e00 00000004 # [ 110.371172] bf80: c03002e4 c595a000 c595bfa4 c595bf98 c0599328 c0599230 00000000 c595bfa8 # [ 110.379359] bfa0: c03000c0 c059931c 0000000a 0000000a 00000001 b6de0000 0000000a 00000000 # [ 110.387543] bfc0: 0000000a 0000000a b6f27e00 00000004 00000001 00000000 00020000 be897a64 # [ 110.395727] bfe0: 00000004 be897798 b6e924cf b6e187e6 800e0030 00000001 00000000 00000000 # [ 110.403907] Backtrace: # [ 110.406375] [] (execute_location) from [] (lkdtm_EXEC_NULL+0x20/0x24) # [ 110.414561] r7:c595bf60 r6:0000000a r5:c6c0c000 r4:00000025 # [ 110.420236] [] (lkdtm_EXEC_NULL) from [] (lkdtm_do_action+0x2c/0x4c) # [ 110.428336] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 110.436355] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 110.444281] r9:c595bf60 r8:c5357900 r7:0000000a r6:b6de0000 r5:c2fd1540 r4:c0c33420 # [ 110.452040] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 110.459879] r9:c07e05ec r8:c595bf60 r7:c2816000 r6:b6de0000 r5:c2fd1540 r4:000[ 110.964363] lkdtm: Performing direct entry ACCESS_USERSPACE 00000 # [ 110.467630] [] (vfs_write) from [][ 110.979458] 8<--- cut here --- [ 110.985340] Unhandled fault: page domain fault (0x01b) at 0xb6fa8000 [ 110.991713] pgd = 937ef493 [ 110.994442] [b6fa8000] *pgd=49a80831 [ 110.998062] Internal error: : 1b [#10] SMP ARM [ 111.002531] 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 imx_ldb flexcan can_dev dw_hdmi_imx etnaviv dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 [ 111.031815] CPU: 0 PID: 2325 Comm: cat Tainted: G D W 5.10.162-cip23 #1 [ 111.039581] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 111.046147] PC is at lkdtm_ACCESS_USERSPACE+0x114/0x16c [ 111.051417] LR is at __irq_work_queue_local+0x40/0x74 [ 111.056496] pc : [] lr : [] psr: 600e0013 [ 111.062786] sp : c6fbfe38 ip : c6fbfd40 fp : c6fbfe64 [ 111.068032] r10: 00000011 r9 : c1accf2c r8 : c15e8704 [ 111.073280] r7 : c6fbff60 r6 : 00000051 r5 : c6fbe000 r4 : b6fa8000 [ 111.079827] r3 : 7ad12827 r2 : 7ad12827 r1 : ef7815e0 r0 : 00000026 [ 111.086381] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 111.093539] Control: 10c5387d Table: 16eb004a DAC: 00000051 [ 111.099309] Process cat (pid: 2325, stack limit = 0x790bd20f) [ 111.105080] Stack: (0xc6fbfe38 to 0xc6fc0000) [ 111.109466] fe20: 00000022 00000000 [ 111.117677] fe40: 00000000 7ad12827 c6fbfe6c 00000026 c6c73000 00000011 c6fbfe74 c6fbfe68 [ 111.125886] fe60: c0c33040 c0c33f20 c6fbfe9c c6fbfe78 c0c33540 c0c33020 c0c33420 c59fc8c0 [ 111.134093] fe80: b6e62000 00000011 c5357900 c6fbff60 c6fbfec4 c6fbfea0 c07e0650 c0c3342c [ 111.142301] fea0: 00000000 c59fc8c0 b6e62000 c2816000 c6fbff60 c07e05ec c6fbff5c c6fbfec8 [ 111.150508] fec0: c0598d04 c07e05f8 00000001 00000000 c0599298 c13732e0 c0599298 c6fbe000 [ 111.158717] fee0: b6e62000 00020000 00000004 00000011 0001ffef c6fbfee0 00000001 b6e61000 [ 111.166923] ff00: c5a9a000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 111.175130] ff20: 00000000 00000000 c13732e0 7ad12827 c205c620 c59fc8c0 c59fc8c0 c6fbe000 [ 111.183336] ff40: b6e62000 00000000 00000000 00000004 c6fbff94 c6fbff60 c0599298 c0598c04 [ 111.191542] ff60: 00000000 00000000 c6fbffac 7ad12827 00000011 00000011 b6fa9e00 00000004 [ 111.199750] ff80: c03002e4 c6fbe000 c6fbffa4 c6fbff98 c0599328 c0599230 00000000 c6fbffa8 [ 111.207957] ffa0: c03000c0 c059931c 00000011 00000011 00000001 b6e62000 00000011 00000000 [ 111.216164] ffc0: 00000011 00000011 b6fa9e00 00000004 00000001 00000000 00020000 bec5fa64 [ 111.224373] ffe0: 00000004 bec5f798 b6f144cf b6e9a7e6 800e0030 00000001 00000000 00000000 [ 111.232566] Backtrace: [ 111.235067] [] (lkdtm_ACCESS_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) [ 111.243795] r6:00000011 r5:c6c73000 r4:00000026 [ 111.248447] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 111.256490] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 111.264441] r9:c6fbff60 r8:c5357900 r7:00000011 r6:b6e62000 r5:c59fc8c0 r4:c0c33420 [ 111.272228] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 111.280090] r9:c07e05ec r8:c6fbff60 r7:c2816000 r6:b6e62000 r5:c59fc8c0 r4:00000000 [ 111.287867] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 111.295034] r10:00000004 r9:00000000 r8:00000000 r7:b6e62000 r6:c6fbe000 r5:c59fc8c0 [ 111.302882] r4:c59fc8c0 [ 111.305449] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 111.312617] r9:c6fbe000 r8:c03002e4 r7:00000004 r6:b6fa9e00 r5:00000011 r4:00000011 [ 111.320402] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 111.327994] Exception stack(0xc6fbffa8 to 0xc6fbfff0) [ 111.333076] ffa0: 00000011 00000011 00000001 b6e62000 00000011 00000000 [ 111.341284] ffc0: 00000011 00000011 b6fa9e00 00000004 00000001 00000000 00020000 bec5fa64 [ 111.349487] ffe0: 00000004 bec5f798 b6f144cf b6e9a7e6 [ 111.354569] Code: e1a01004 e30d0e50 e34c01ac eb1c7b4a (e5943000) [ 111.360697] ---[ end trace 602be0240ace6250 ]--- (ksys_write+0x74/0xec) # [ 110.474774] r10:00000004 r9:00000000 r8:00000000 r7:b6de0000 r6:c595a000 r5:c2fd1540 # [ 110.482609] r4:c2fd1540 # [ 110.485151] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 110.492295] r9:c595a000 r8:c03002e4 r7:00000004 r6:b6f27e00 r5:0000000a r4:0000000a # [ 110.500049] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 110.507622] Exception stack(0xc595bfa8 to 0xc595bff0) # [ 110.512682] bfa0: 0000000a 0000000a 00000001 b6de0000 0000000a 00000000 # [ 110.520866] bfc0: 0000000a 0000000a b6f27e00 00000004 00000001 00000000 00020000 be897a64 # [ 110.529051] bfe0: 00000004 be897798 b6e924cf b6e187e6 # [ 110.534114] Code: bad PC value # [ 110.537250] ---[ end trace 602be0240ace624f ]--- # EXEC_NULL: missing 'call trace:': [FAIL] not ok 36 selftests: lkdtm: EXEC_NULL.sh # exit=1 # selftests: lkdtm: ACCESS_USERSPACE.sh # Segmentation fault # [ 110.964363] lkdtm: Performing direct entry ACCESS_USERSPACE # [ 110.972005] lkdtm: attempting bad read at b6fa8000 # [ 110.979458] 8<--- cut here --- # [ 110.985340] Unhandled fault: page domain fault (0x01b) at 0xb6fa8000 # [ 110.991713] pgd = 937ef493 # [ 110.994442] [b6fa8000] *pgd=49a80831 # [ 110.998062] Internal error: : 1b [#10] SMP ARM # [ 111.002531] 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 imx_ldb flexcan can_dev dw_hdmi_imx etnaviv dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 # [ 111.031815] CPU: 0 PID: 2325 Comm: cat Tainted: G D W 5.10.162-cip23 #1 # [ 111.039581] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 111.046147] PC is at lkdtm_ACCESS_USERSPACE+0x114/0x16c # [ 111.051417] LR is at __irq_work_queue_local+0x40/0x74 # [ 111.056496] pc : [] lr : [] psr: 600e0013 # [ 111.062786] sp : c6fbfe38 ip : c6fbfd40 fp : c6fbfe64 # [ 111.068032] r10: 00000011 r9 : c1accf2c r8 : c15e8704 # [ 111.073280] r7 : c6fbff60 r6 : 00000051 r5 : c6fbe000 r4 : b6fa8000 # [ 111.079827] r3 : 7ad12827 r2 : 7ad12827 r1 : ef7815e0 r0 : 00000026 # [ 111.086381] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 111.093539] Control: 10c5387d Table: 16eb004a DAC: 00000051 # [ 111.099309] Process cat (pid: 2325, stack limit = 0x790bd20f) # [ 111.105080] Stack: (0xc6fbfe38 to 0xc6fc0000) # [ 111.109466] fe20: 00000022 00000000 # [ 111.117677] fe40: 00000000 7ad12827 c6fbfe6c 00000026 c6c73000 00000011 c6fbfe74 c6fbfe68 # [ 111.125886] fe60: c0c33040 c0c33f20 c6fbfe9c c6fbfe78 c0c33540 c0c33020 c0c33420 c59fc8c0 # [ 111.134093] fe80: b6e62000 00000011 c5357900 c6fbff60 c6fbfec4 c6fbfea0 c07e0650 c0c3342c # [ 111.142301] fea0: 00000000 c59fc8c0 b6e62000 c2816000 c6fbff60 c07e05ec c6fbff5c c6fbfec8 # [ 111.150508] fec0: c0598d04 c07e05f8 00000001 00000000 c0599298 c13732e0 c0599298 c6fbe000 # [ 111.158717] fee0: b6e62000 00020000 00000004 00000011 0001ffef c6fbfee0 00000001 b6e61000 # [ 111.166923] ff00: c5a9a000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 111.175130] ff20: 00000000 00000000 c13732e0 7ad12827 c205c620 c59fc8c0 c59fc8c0 c6fbe000 # [ 111.183336] ff40: b6e62000 00000000 00000000 00000004 c6fbff94 c6fbff60 c0599298 c0598c04 # [ 111.191542] ff60: 00000000 00000000 c6fbffac 7ad12827 00000011 00000011 b6fa9e00 00000004 # [ 111.199750] ff80: c03002e4 c6fbe000 c6fbffa4 c6fbff98 c0599328 c0599230 00000000 c6fbffa8 # [ 111.207957] ffa0: c03000c0 c059931c 00000011 00000011 00000001 b6e62000 00000011 00000000 # [ 111.216164] ffc0: 00000011 00000011 b6fa9e00 00000004 00000001 00000000 00020000 bec5fa64 # [ 111.224373] ffe0: 00000004 bec5f798 b6f144cf b6e9a7e6 800e0030 00000001 00000000 00000000 # [ 111.232566] Backtrace: # [ 111.235067] [] (lkdtm_ACCESS_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 111.243795] r6:00000011 r5:c6c73000 r4:00000026 # [ 111.248447] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 111.256490] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 111.264441] r9:c6fbff60 r8:c5357900 r7:00000011 r6:b6e62000 r5:c59fc8c0 r4:c0c33420 # [ 111.272228] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 111.280090] r9:c07e05ec r8:c6fbff60 r7:c2816000 r6:b6e62000 r5:c59fc8c0 r4:00000000 # [ 111.287867] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 111.295034] r10:00000004 r9:00000000 r8:0000000[ 111.807178] lkdtm: Performing direct entry ACCESS_NULL 0 r7:b6e62000 r6:c6fbe000 r5:c59f[ 111.813568] lkdtm: attempting bad read at 00000000 c8c0 # [ 111.302882] r4:c59fc8[ 111.821268] 8<--- cut here --- c0 # [ 111.305449] [][ 111.827260] Unable to handle kernel NULL pointer dereference at virtual address 00000000 (ksys_write) from [] ([ 111.839147] pgd = 5943d77f sys_write+0x18/0x1c) # [ 111.31[ 111.843781] [00000000] *pgd=00000000 2617] r9:c6fbe000 r8:c03002e4 r7[ 111.850233] Internal error: Oops: 5 [#11] SMP ARM [ 111.857762] 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 imx_ldb flexcan can_dev dw_hdmi_imx etnaviv dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 [ 111.886795] CPU: 0 PID: 2400 Comm: cat Tainted: G D W 5.10.162-cip23 #1 [ 111.894543] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 111.901083] PC is at lkdtm_ACCESS_NULL+0x28/0x68 [ 111.905718] LR is at __irq_work_queue_local+0x40/0x74 [ 111.910776] pc : [] lr : [] psr: 600e0013 [ 111.917046] sp : c6be7e50 ip : c6be7d58 fp : c6be7e64 [ 111.922275] r10: 0000000c r9 : c1accf40 r8 : c15e8704 [ 111.927505] r7 : c6be7f60 r6 : 0000000c r5 : c4794000 r4 : 00000000 [ 111.934036] r3 : ad7d8e18 r2 : ad7d8e18 r1 : ef7815e0 r0 : 00000026 [ 111.940570] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 111.947711] Control: 10c5387d Table: 16f2c04a DAC: 00000051 [ 111.953464] Process cat (pid: 2400, stack limit = 0xbf05eee4) [ 111.959215] Stack: (0xc6be7e50 to 0xc6be8000) [ 111.963581] 7e40: 00000027 c4794000 c6be7e74 c6be7e68 [ 111.971767] 7e60: c0c33040 c135dce8 c6be7e9c c6be7e78 c0c33540 c0c33020 c0c33420 c5b35cc0 [ 111.979954] 7e80: b6de8000 0000000c c5357900 c6be7f60 c6be7ec4 c6be7ea0 c07e0650 c0c3342c [ 111.988139] 7ea0: 00000000 c5b35cc0 b6de8000 c2816000 c6be7f60 c07e05ec c6be7f5c c6be7ec8 [ 111.996324] 7ec0: c0598d04 c07e05f8 00000001 00000000 c0599298 c2d5c324 c0599298 c6be6000 [ 112.004508] 7ee0: b6de8000 00020000 00000004 0000000c 0001fff4 c6be7ee0 00000001 00000805 [ 112.012693] 7f00: c59fd680 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 112.020878] 7f20: 00000000 00000000 c6be6000 ad7d8e18 b6de7000 c5b35cc0 c5b35cc0 c6be6000 [ 112.029064] 7f40: b6de8000 00000000 00000000 00000004 c6be7f94 c6be7f60 c0599298 c0598c04 [ 112.037249] 7f60: 00000000 00000000 c6be7fac ad7d8e18 0000000c 0000000c b6f2fe00 00000004 [ 112.045434] 7f80: c03002e4 c6be6000 c6be7fa4 c6be7f98 c0599328 c0599230 00000000 c6be7fa8 [ 112.053619] 7fa0: c03000c0 c059931c 0000000c 0000000c 00000001 b6de8000 0000000c 00000000 [ 112.061803] 7fc0: 0000000c 0000000c b6f2fe00 00000004 00000001 00000000 00020000 be988a64 [ 112.069987] 7fe0: 00000004 be988798 b6e9a4cf b6e207e6 800e0030 00000001 00000000 00000000 [ 112.078167] Backtrace: [ 112.080633] [] (lkdtm_ACCESS_NULL) from [] (lkdtm_do_action+0x2c/0x4c) [ 112.088904] r5:c4794000 r4:00000027 [ 112.092489] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 112.100507] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 112.108432] r9:c6be7f60 r8:c5357900 r7:0000000c r6:b6de8000 r5:c5b35cc0 r4:c0c33420 [ 112.116190] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 112.124026] r9:c07e05ec r8:c6be7f60 r7:c2816000 r6:b6de8000 r5:c5b35cc0 r4:00000000 [ 112.131778] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 112.138922] r10:00000004 r9:00000000 r8:00000000 r7:b6de8000 r6:c6be6000 r5:c5b35cc0 [ 112.146755] r4:c5b35cc0 [ 112.149302] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 112.156446] r9:c6be6000 r8:c03002e4 r7:00000004 r6:b6f2fe00 r5:0000000c r4:0000000c [ 112.164202] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 112.171777] Exception stack(0xc6be7fa8 to 0xc6be7ff0) [ 112.176836] 7fa0: 0000000c 0000000c 00000001 b6de8000 0000000c 00000000 [ 112.185020] 7fc0: 0000000c 0000000c b6f2fe00 00000004 00000001 00000000 00020000 be988a64 [ 112.193203] 7fe0: 00000004 be988798 b6e9a4cf b6e207e6 [ 112.198265] Code: e30d0e50 e34c01ac e1a01004 ebffd413 (e5945000) :00000004 r6:b6fa9e00 r5:00000011[ 112.204433] ---[ end trace 602be0240ace6251 ]--- r4:00000011 # [ 111.320402] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 111.327994] Exception stack(0xc6fbffa8 to 0xc6fbfff0) # [ 111.333076] ffa0: 00000011 00000011 00000001 b6e62000 00000011 00000000 # [ 111.341284] ffc0: 00000011 00000011 b6fa9e00 00000004 00000001 00000000 00020000 bec5fa64 # [ 111.349487] ffe0: 00000004 bec5f798 b6f144cf b6e9a7e6 # [ 111.354569] Code: e1a01004 e30d0e50 e34c01ac eb1c7b4a (e5943000) # [ 111.360697] ---[ end trace 602be0240ace6250 ]--- # ACCESS_USERSPACE: missing 'call trace:': [FAIL] not ok 37 selftests: lkdtm: ACCESS_USERSPACE.sh # exit=1 # selftests: lkdtm: ACCESS_NULL.sh # Segmentation fault # [ 111.807178] lkdtm: Performing direct entry ACCESS_NULL # [ 111.813568] lkdtm: attempting bad read at 00000000 # [ 111.821268] 8<--- cut here --- # [ 111.827260] Unable to handle kernel NULL pointer dereference at virtual address 00000000 # [ 111.839147] pgd = 5943d77f # [ 111.843781] [00000000] *pgd=00000000 # [ 111.850233] Internal error: Oops: 5 [#11] SMP ARM # [ 111.857762] 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 imx_ldb flexcan can_dev dw_hdmi_imx etnaviv dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 # [ 111.886795] CPU: 0 PID: 2400 Comm: cat Tainted: G D W 5.10.162-cip23 #1 # [ 111.894543] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 111.901083] PC is at lkdtm_ACCESS_NULL+0x28/0x68 # [ 111.905718] LR is at __irq_work_queue_local+0x40/0x74 # [ 111.910776] pc : [] lr : [] psr: 600e0013 # [ 111.917046] sp : c6be7e50 ip : c6be7d58 fp : c6be7e64 # [ 111.922275] r10: 0000000c r9 : c1accf40 r8 : c15e8704 # [ 111.927505] r7 : c6be7f60 r6 : 0000000c r5 : c4794000 r4 : 00000000 # [ 111.934036] r3 : ad7d8e18 r2 : ad7d8e18 r1 : ef7815e0 r0 : 00000026 # [ 111.940570] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 111.947711] Control: 10c5387d Table: 16f2c04a DAC: 00000051 # [ 111.953464] Process cat (pid: 2400, stack limit = 0xbf05eee4) # [ 111.959215] Stack: (0xc6be7e50 to 0xc6be8000) # [ 111.963581] 7e40: 00000027 c4794000 c6be7e74 c6be7e68 # [ 111.971767] 7e60: c0c33040 c135dce8 c6be7e9c c6be7e78 c0c33540 c0c33020 c0c33420 c5b35cc0 # [ 111.979954] 7e80: b6de8000 0000000c c5357900 c6be7f60 c6be7ec4 c6be7ea0 c07e0650 c0c3342c # [ 111.988139] 7ea0: 00000000 c5b35cc0 b6de8000 c2816000 c6be7f60 c07e05ec c6be7f5c c6be7ec8 # [ 111.996324] 7ec0: c0598d04 c07e05f8 00000001 00000000 c0599298 c2d5c324 c0599298 c6be6000 # [ 112.004508] 7ee0: b6de8000 00020000 00000004 0000000c 0001fff4 c6be7ee0 00000001 00000805 # [ 112.012693] 7f00: c59fd680 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 112.020878] 7f20: 00000000 00000000 c6be6000 ad7d8e18 b6de7000 c5b35cc0 c5b35cc0 c6be6000 # [ 112.029064] 7f40: b6de8000 00000000 00000000 00000004 c6be7f94 c6be7f60 c0599298 c0598c04 # [ 112.037249] 7f60: 00000000 00000000 c6be7fac ad7d8e18 0000000c 0000000c b6f2fe00 00000004 # [ 112.045434] 7f80: c03002e4 c6be6000 c6be7fa4 c6be7f98 c0599328 c0599230 00000000 c6be7fa8 # [ 112.053619] 7fa0: c03000c0 c059931c 0000000c 0000000c 00000001 b6de8000 0000000c 00000000 # [ 112.061803] 7fc0: 0000000c 0000000c b6f2fe00 00000004 00000001 00000000 00020000 be988a64 # [ 112.069987] 7fe0: 00000004 be988798 b6e9a4cf b6e207e6 800e0030 00000001 00000000 00000000 # [ 112.078167] Backtrace: # [ 112.080633] [] (lkdtm_ACCESS_NULL) from [] (lkdtm_do_action+0x2c/0x4c) # [ 112.088904] r5:c4794000 r4:00000027 # [ 112.092489] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 112.100507] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 112.108432] r9:c6be7f60 r8:c5357900 r7:0000000c r6:b6de8000 r5:c5b35cc0 r4:c0c33420 # [ 112.116190] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 112.124026] r9:c07e05ec r8:c6be7f60 r7:c2816000 r6:b6de8000 r5:c5b35cc0 r4:00000000 # [ 112.131778] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 112.138922] r10:00000004 r9:00000000 r8:00000000 r7:b6de8000 r6:c6be6000 r5:c5b35cc0 # [ 112.146755] r4:c5b35cc0 # [ 112.149302] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 112.156446] r9:c6be6000 r8:c03002e4 r7:00000004 r6:b6f2fe00 r5:0000000c r4:0000000c # [ 112.164202] [] (sy[ 112.679495] lkdtm: Performing direct entry WRITE_RO s_write) from [.]84712] lkdtm: attempting bad rodata write at c15e899c (ret_fast_syscall+0x0/0x28) # [[ 112.692469] 8<--- cut here --- 112.171777] Exceptio[n s11t2a698297] Unable to handle kernel paging request at virtual address c15e899c ck(0xc6be7fa8 to 0xc6b[e 7 f1f102.707785] pgd = 5655fe9c # [ 112.176836] 7fa0: [ 112.712842] [c15e899c] *pgd=1141941e(bad) 0000000c 0000000[c 0112.719730] Internal error: Oops: 80d [#12] SMP ARM 000001 b6de8000 0000000c 00000000[ 112.727126] 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 imx_ldb flexcan can_dev dw_hdmi_imx etnaviv dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 # [ 112.185020] 7fc0: 0000000[ 112.758844] CPU: 3 PID: 2474 Comm: cat Tainted: G D W 5.10.162-cip23 #1 0000000c b6f2fe[0 0 101020.07069360] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 04 00000001 00000000 00020000 be9[ 112.778006] PC is at lkdtm_WRITE_RO+0x44/0x50 88a64 # [ 112.193203] 7fe0: 000[ 112.785233] LR is at __irq_work_queue_local+0x40/0x74 00004 be988798 b6e9[a 4 c1f1 2b.693134] pc : [] lr : [] psr: 600e0013 e207e6 # [ 112.[1 9 8121625.]8 1578] sp : c6f61e50 ip : c6f61d58 fp : c6f61e64 Code: e30d0e50 e[3 4 c11021.a8c0 891] r10: 00000009 r9 : c1accf4c r8 : c15e8704 e1a01004 ebffd413 (e[5 9 4151020.816122] r7 : c6f61f60 r6 : 00000009 r5 : c5f44000 r4 : c15e899c ) # [ 112.204[4 3 31]1 2-.-8-24911] r3 : 0198b861 r2 : aa55aa55 r1 : ef7c05e0 r0 : c1acdd50 end trace 602be0240[a c e161225.833534] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none ]--- # ACCESS_N[U L L1:1 2m.i8s2931] Control: 10c5387d Table: 16fd004a DAC: 00000051 sing 'call trace:':[ [1F1A2I.L850768] Process cat (pid: 2474, stack limit = 0x04c12223) not ok 38 selftest[s : 1l1k2d.858693] Stack: (0xc6f61e50 to 0xc6f62000) m: ACCESS_NULL.sh # exit=1 # s[e 112.865320] 1e40: 00000028 c5f44000 c6f61e74 c6f61e68 lftests: lkdtm: WRITE_RO.sh [ 112.876194] 1e60: c0c33040 c135dae8 c6f61e9c c6f61e78 c0c33540 c0c33020 c0c33420 c448d680 [ 112.886894] 1e80: b6e58000 00000009 c5357900 c6f61f60 c6f61ec4 c6f61ea0 c07e0650 c0c3342c [ 112.895102] 1ea0: 00000000 c448d680 b6e58000 c2816000 c6f61f60 c07e05ec c6f61f5c c6f61ec8 [ 112.903308] 1ec0: c0598d04 c07e05f8 00000001 00000000 c0599298 c13732e0 c0599298 c6f60000 [ 112.911519] 1ee0: b6e58000 00020000 00000004 00000009 0001fff7 c6f61ee0 00000001 b6e57000 [ 112.919726] 1f00: c5b352c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 112.927937] 1f20: 00000000 00000000 c13732e0 6a08ce3a c205c620 c448d680 c448d680 c6f60000 [ 112.936144] 1f40: b6e58000 00000000 00000000 00000004 c6f61f94 c6f61f60 c0599298 c0598c04 [ 112.944352] 1f60: 00000000 00000000 c6f61fac 6a08ce3a 00000009 00000009 b6f9fe00 00000004 [ 112.952558] 1f80: c03002e4 c6f60000 c6f61fa4 c6f61f98 c0599328 c0599230 00000000 c6f61fa8 [ 112.960764] 1fa0: c03000c0 c059931c 00000009 00000009 00000001 b6e58000 00000009 00000000 [ 112.968971] 1fc0: 00000009 00000009 b6f9fe00 00000004 00000001 00000000 00020000 beb7ba64 [ 112.977177] 1fe0: 00000004 beb7b798 b6f0a4cf b6e907e6 800e0030 00000001 00000000 00000000 [ 112.985371] Backtrace: [ 112.987880] [] (lkdtm_WRITE_RO) from [] (lkdtm_do_action+0x2c/0x4c) [ 112.995912] r5:c5f44000 r4:00000028 [ 112.999523] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 113.007571] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 113.015520] r9:c6f61f60 r8:c5357900 r7:00000009 r6:b6e58000 r5:c448d680 r4:c0c33420 [ 113.023308] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 113.031169] r9:c07e05ec r8:c6f61f60 r7:c2816000 r6:b6e58000 r5:c448d680 r4:00000000 [ 113.038945] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 113.046115] r10:00000004 r9:00000000 r8:00000000 r7:b6e58000 r6:c6f60000 r5:c448d680 [ 113.053965] r4:c448d680 [ 113.056535] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 113.063700] r9:c6f60000 r8:c03002e4 r7:00000004 r6:b6f9fe00 r5:00000009 r4:00000009 [ 113.071479] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 113.079070] Exception stack(0xc6f61fa8 to 0xc6f61ff0) [ 113.084150] 1fa0: 00000009 00000009 00000001 b6e58000 00000009 00000000 [ 113.092358] 1fc0: 00000009 00000009 b6f9fe00 00000004 00000001 00000000 00020000 beb7ba64 [ 113.100561] 1fe0: 00000004 beb7b798 b6f0a4cf b6e907e6 [ 113.105644] Code: e34a3bcd e30d0d50 e34c01ac e0233002 (e5843000) [ 113.111771] ---[ end trace 602be0240ace6252 ]--- # Segmentation fault # [ 112.679495] lkdtm: Performing direct entry WRITE_RO # [ 112.684712] lkdtm: attempting bad rodata write at c15e899c # [ 112.692469] 8<--- cut here --- # [ 112.698297] Unable to handle kernel paging request at virtual address c15e899c # [ 112.707785] pgd = 5655fe9c # [ 112.712842] [c15e899c] *pgd=1141941e(bad) # [ 112.719730] Internal error: Oops: 80d [#12] SMP ARM # [ 112.727126] 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 imx_ldb flexcan can_dev dw_hdmi_imx etnaviv dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 # [ 112.758844] CPU: 3 PID: 2474 Comm: cat Tainted: G D W 5.10.162-cip23 #1 # [ 112.769360] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 112.778006] PC is at lkdtm_WRITE_RO+0x44/0x50 # [ 112.785233] LR is at __irq_work_queue_local+0x40/0x74 # [ 112.793134] pc : [] lr : [] psr: 600e0013 # [ 112.801578] sp : c6f61e50 ip : c6f61d58 fp : c6f61e64 # [ 112.808891] r10: 00000009 r9 : c1accf4c r8 : c15e8704 # [ 112.816122] r7 : c6f61f60 r6 : 00000009 r5 : c5f44000 r4 : c15e899c # [ 112.824911] r3 : 0198b861 r2 : aa55aa55 r1 : ef7c05e0 r0 : c1acdd50 # [ 112.833534] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 112.842931] Control: 10c5387d Table: 16fd004a DAC: 00000051 # [ 112.850768] Process cat (pid: 2474, stack limit = 0x04c12223) # [ 112.858693] Stack: (0xc6f61e50 to 0xc6f62000) # [ 112.865320] 1e40: 00000028 c5f44000 c6f61e74 c6f61e68 # [ 112.876194] 1e60: c0c33040 c135dae8 c6f61e9c c6f61e78 c0c33540 c0c33020 c0c33420 c448d680 # [ 112.886894] 1e80: b6e58000 00000009 c5357900 c6f61f60 c6f61ec4 c6f61ea0 c07e0650 c0c3342c # [ 112.895102] 1ea0: 00000000 c448d680 b6e58000 c2816000 c6f61f60 c07e05ec c6f61f5c c6f61ec8 # [ 112.903308] 1ec0: c0598d04 c07e05f8 00000001 00000000 c0599298 c13732e0 c0599298 c6f60000 # [ 112.911519] 1ee0: b6e58000 00020000 00000004 00000009 0001fff7 c6f61ee0 00000001 b6e57000 # [ 112.919726] 1f00: c5b352c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 112.927937] 1f20: 00000000 00000000 c13732e0 6a08ce3a c205c620 c448d680 c448d680 c6f60000 # [ 112.936144] 1f40: b6e58000 00000000 00000000 00000004 c6f61f94 c6f61f60 c0599298 c0598c04 # [ 112.944352] 1f60: 00000000 00000000 c6f61fac 6a08ce3a 00000009 00000009 b6f9fe00 00000004 # [ 112.952558] 1f80: c03002e4 c6f60000 c6f61fa4 c6f61f98 c0599328 c0599230 00000000 c6f61fa8 # [ 112.960764] 1fa0: c03000c0 c059931c 00000009 00000009 00000001 b6e58000 00000009 00000000 # [ 112.968971] 1fc0: 00000009 00000009 b6f9fe00 00000004 00000001 00000000 00020000 beb7ba64 # [ 112.977177] 1fe0: 00000004 beb7b798 b6f0a4cf b6e907e6 800e0030 00000001 00000000 00000000 # [ 112.985371] Backtrace: # [ 112.987880] [] (lkdtm_WRITE_RO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 112.995912] r5:c5f44000 r4:00000028 # [ 112.999523] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 113.007571] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 113.015520] r9:c6f61f60 r8:c5357900 r7:00000009 r6:b6e58000 r5:c448d680 r4:c0c33420 # [ 113.023308] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 113.031169] r9:c07e05ec r8:c6f61f60 r7:c2816000 r6:b6e58000 r5:c448d680 r4:00000000 # [ 113.038945] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 113.046115] r10:00000004 r9:00000000 r8:00000000 r7:b6e58000 r6:c6f60000 r5:c448d680 # [ 113.053965] r4:c448d680 # [ 113.056535] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 113.[ 113.576045] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT 063700] r9:c6f60000 r8:c03002e4 [ 113.583109] lkdtm: attempting bad ro_after_init write at c1b7ec60 r7:00000004 r6:b6f9fe00 r5:000000[ 113.592007] 8<--- cut here --- 09 r4:000000[0 9 1 1#3 .[59 7 811] Unable to handle kernel paging request at virtual address c1b7ec60 13.071479] [6]0 888] pgd = 0b11dfa7 (sys_write) from [] (r[ 113.611591] [c1b7ec60] *pgd=11a1941e(bad) t_fast_syscall+0x0/0x[2 8 )1 1 3#618383] Internal error: Oops: 80d [#13] SMP ARM [ 113.079070] Exception stack(0[ 113.625511] 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 imx_ldb flexcan can_dev dw_hdmi_imx etnaviv dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 xc6f61fa8 to 0xc6f61[f f 01)1 3 .657216] CPU: 1 PID: 2548 Comm: cat Tainted: G D W 5.10.162-cip23 #1 [ 113.084[1 5 101]3 .16f6a702:08] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 00000009 000000[ 113.675577] PC is at lkdtm_WRITE_RO_AFTER_INIT+0x64/0x70 09 00000001 b6e58000 00000009[ 0113.683746] LR is at __irq_work_queue_local+0x40/0x74 0000000 # [ 1[1 3 .101932.36591390] pc : [] lr : [] psr: 600e0013 ] 1fc0: 0000[0 0 0191 30.0609090651] sp : c5ec5e50 ip : c5ec5d58 fp : c5ec5e64 09 b6f9fe[0 0 101030.0700060748 ] r10: 00000014 r9 : c1accf58 r8 : c15e8704 00000001 000[0 0 010103 .071030726] r7 : c5ec5f60 r6 : 00000014 r5 : c5dad000 r4 : c1b7ec60 0000 beb7ba64[ #1 1[3 . 71212395] r3 : fe67479e r2 : 55aa55aa r1 : ef7965e0 r0 : c1acdd50 .100561] 1fe0: 0[0 0 0101030.47 30533] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none eb7b798 b6f0[a 41c1f3 .b763e99709] Control: 10c5387d Table: 15fd404a DAC: 00000051 7e6 # [ 113.[1 0 5161434.]7 4C7317] Process cat (pid: 2548, stack limit = 0x306d45d7) de: e34a3bcd[ e 3101d30.d75505 058] Stack: (0xc5ec5e50 to 0xc5ec6000) 34c01ac e0233002 (e58[4 3 010103)761330] 5e40: 00000029 c5dad000 c5ec5e74 c5ec5e68 # [ 113.111771] [- - -1[1 3e.771762] 5e60: c0c33040 c135db38 c5ec5e9c c5ec5e78 c0c33540 c0c33020 c0c33420 c5a91900 d trace 602be0240[a c e161235.27 2196] 5e80: b6e6e000 00000014 c5357900 c5ec5f60 c5ec5ec4 c5ec5ea0 c07e0650 c0c3342c ]--- # WRITE_RO: [m i s1s1i3n.g792456] 5ea0: 00000000 c5a91900 b6e6e000 c2816000 c5ec5f60 c07e05ec c5ec5f5c c5ec5ec8 'call trace:': [FAIL[] 1n1o3t.802803] 5ec0: c0598d04 c07e05f8 00000001 00000000 c0599298 c13732e0 c0599298 c5ec4000 ok 39 selftests:[ l k1d1t3m.:8 13235] 5ee0: b6e6e000 00020000 00000004 00000014 0001ffec c5ec5ee0 00000001 b6e6d000 RITE_RO.sh # exit=[1 1#1 3s.e823495] 5f00: c6a1ac80 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ftests: lkdtm: WRI[T E _1R1O3_.A833841] 5f20: 00000000 00000000 c13732e0 14bdda5f c205c620 c5a91900 c5a91900 c5ec4000 TER_INIT.sh [ 113.844188] 5f40: b6e6e000 00000000 00000000 00000004 c5ec5f94 c5ec5f60 c0599298 c0598c04 [ 113.853492] 5f60: 00000000 00000000 c5ec5fac 14bdda5f 00000014 00000014 b6fb5e00 00000004 [ 113.861681] 5f80: c03002e4 c5ec4000 c5ec5fa4 c5ec5f98 c0599328 c0599230 00000000 c5ec5fa8 [ 113.869871] 5fa0: c03000c0 c059931c 00000014 00000014 00000001 b6e6e000 00000014 00000000 [ 113.878059] 5fc0: 00000014 00000014 b6fb5e00 00000004 00000001 00000000 00020000 befc2a64 [ 113.886249] 5fe0: 00000004 befc2798 b6f204cf b6ea67e6 800e0030 00000001 00000000 00000000 [ 113.894430] Backtrace: [ 113.896908] [] (lkdtm_WRITE_RO_AFTER_INIT) from [] (lkdtm_do_action+0x2c/0x4c) [ 113.905876] r5:c5dad000 r4:00000029 [ 113.909467] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 113.917490] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 113.925420] r9:c5ec5f60 r8:c5357900 r7:00000014 r6:b6e6e000 r5:c5a91900 r4:c0c33420 [ 113.933183] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 113.941025] r9:c07e05ec r8:c5ec5f60 r7:c2816000 r6:b6e6e000 r5:c5a91900 r4:00000000 [ 113.948781] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 113.955927] r10:00000004 r9:00000000 r8:00000000 r7:b6e6e000 r6:c5ec4000 r5:c5a91900 [ 113.963763] r4:c5a91900 [ 113.966311] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 113.973458] r9:c5ec4000 r8:c03002e4 r7:00000004 r6:b6fb5e00 r5:00000014 r4:00000014 [ 113.981216] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 113.988794] Exception stack(0xc5ec5fa8 to 0xc5ec5ff0) [ 113.993856] 5fa0: 00000014 00000014 00000001 b6e6e000 00000014 00000000 [ 114.002045] 5fc0: 00000014 00000014 b6fb5e00 00000004 00000001 00000000 00020000 befc2a64 [ 114.010231] 5fe0: 00000004 befc2798 b6f204cf b6ea67e6 [ 114.015295] Code: e34a3bcd e30d0d50 e34c01ac e0233002 (e5843000) [ 114.021404] ---[ end trace 602be0240ace6253 ]--- # Segmentation fault # [ 113.576045] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT # [ 113.583109] lkdtm: attempting bad ro_after_init write at c1b7ec60 # [ 113.592007] 8<--- cut here --- # [ 113.597841] Unable to handle kernel paging request at virtual address c1b7ec60 # [ 113.606888] pgd = 0b11dfa7 # [ 113.611591] [c1b7ec60] *pgd=11a1941e(bad) # [ 113.618383] Internal error: Oops: 80d [#13] SMP ARM # [ 113.625511] 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 imx_ldb flexcan can_dev dw_hdmi_imx etnaviv dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 # [ 113.657216] CPU: 1 PID: 2548 Comm: cat Tainted: G D W 5.10.162-cip23 #1 # [ 113.667208] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 113.675577] PC is at lkdtm_WRITE_RO_AFTER_INIT+0x64/0x70 # [ 113.683746] LR is at __irq_work_queue_local+0x40/0x74 # [ 113.691390] pc : [] lr : [] psr: 600e0013 # [ 113.699651] sp : c5ec5e50 ip : c5ec5d58 fp : c5ec5e64 # [ 113.706783] r10: 00000014 r9 : c1accf58 r8 : c15e8704 # [ 113.713746] r7 : c5ec5f60 r6 : 00000014 r5 : c5dad000 r4 : c1b7ec60 # [ 113.722095] r3 : fe67479e r2 : 55aa55aa r1 : ef7965e0 r0 : c1acdd50 # [ 113.730533] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 113.739749] Control: 10c5387d Table: 15fd404a DAC: 00000051 # [ 113.747317] Process cat (pid: 2548, stack limit = 0x306d45d7) # [ 113.755058] Stack: (0xc5ec5e50 to 0xc5ec6000) # [ 113.761330] 5e40: 00000029 c5dad000 c5ec5e74 c5ec5e68 # [ 113.771762] 5e60: c0c33040 c135db38 c5ec5e9c c5ec5e78 c0c33540 c0c33020 c0c33420 c5a91900 # [ 113.782196] 5e80: b6e6e000 00000014 c5357900 c5ec5f60 c5ec5ec4 c5ec5ea0 c07e0650 c0c3342c # [ 113.792456] 5ea0: 00000000 c5a91900 b6e6e000 c2816000 c5ec5f60 c07e05ec c5ec5f5c c5ec5ec8 # [ 113.802803] 5ec0: c0598d04 c07e05f8 00000001 00000000 c0599298 c13732e0 c0599298 c5ec4000 # [ 113.813235] 5ee0: b6e6e000 00020000 00000004 00000014 0001ffec c5ec5ee0 00000001 b6e6d000 # [ 113.823495] 5f00: c6a1ac80 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 113.833841] 5f20: 00000000 00000000 c13732e0 14bdda5f c205c620 c5a91900 c5a91900 c5ec4000 # [ 113.844188] 5f40: b6e6e000 00000000 00000000 00000004 c5ec5f94 c5ec5f60 c0599298 c0598c04 # [ 113.853492] 5f60: 00000000 00000000 c5ec5fac 14bdda5f 00000014 00000014 b6fb5e00 00000004 # [ 113.861681] 5f80: c03002e4 c5ec4000 c5ec5fa4 c5ec5f98 c0599328 c0599230 00000000 c5ec5fa8 # [ 113.869871] 5fa0: c03000c0 c059931c 00000014 00000014 00000001 b6e6e000 00000014 00000000 # [ 113.878059] 5fc0: 00000014 00000014 b6fb5e00 00000004 00000001 00000000 00020000 befc2a64 # [ 113.886249] 5fe0: 00000004 befc2798 b6f204cf b6ea67e6 800e0030 00000001 00000000 00000000 # [ 113.894430] Backtrace: # [ 113.896908] [] (lkdtm_WRITE_RO_AFTER_INIT) from [] (lkdtm_do_action+0x2c/0x4c) # [ 113.905876] r5:c5dad000 r4:00000029 # [ 113.909467] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 113.917490] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 113.925420] r9:c5ec5f60 r8:c5357900 r7:00000014 r6:b6e6e000 r5:c5a91900 r4:c0c33420 # [ 113.933183] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 113.941025] r9:c07e05ec r8:c5ec5f60 r7:c2816000 r6:b6e6e000 r5:c5a91900 r4:00000000 # [ 113.948781] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 113.955927] r10:00000004 r9:00000000 r8:00000000 r7:b6e6e000 r6:c5ec4000 r5:c5a91900 # [ 113.963763] r4:c5a91900 # [ 113.966311] [] (ksys_write) from [] (s[ 114.478828] lkdtm: Performing direct entry WRITE_KERN ys_write+0x18/0[x 1 c1)1 4. 4#8 4502] lkdtm: attempting bad 7511124 byte write at c135da04 113.973458] r9:c5ec4000 r8:c03[ 114.492719] 8<--- cut here --- 002e4 r7:0000000[4 r161:4b.64f98429] Unable to handle kernel paging request at virtual address c135da04 5e00 r5:00000014 r4[: 0 0101040.007734] pgd = e4f1c5f9 14 # [ 113.981216] [][ 114.512607] [c135da04] *pgd=1121940e(bad) (sys_write) from [] (ret_fast_syscall+0x0/0x28) #[ 114.526695] 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 imx_ldb flexcan can_dev dw_hdmi_imx etnaviv dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 [ 113.988794] Exception[ s t1a4.558398] CPU: 3 PID: 2622 Comm: cat Tainted: G D W 5.10.162-cip23 #1 ck(0xc5ec5fa8 to [0 x c151e4c.55f8562] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) f0) # [ 113.993856] 5fa0: [ 114.577178] PC is at memcpy+0x50/0x330 0000001[4 0101040583607] LR is at 0xe92dd830 0014 00000001 b6e6[e 0 0101 40.0589001] pc : [] lr : [] psr: 200e0013 00014 00000000 [# [1 1 41.15497433] sp : c5803e2c ip : e1a0c00d fp : c5803e64 002045] 5fc0: 0000[0 0 1141 40.0604739] r10: 0000000b r9 : c1accf6c r8 : e89da800 00014 b6fb5e00 [0 0 0101040.0641 129] r7 : e8bd4000 r6 : e52de004 r5 : e24cb004 r4 : e92dd800 00000001 0000000[0 010140.26020648] r3 : e1a0c00d r2 : 00729bb4 r1 : c0c33dd0 r0 : c135da04 00 befc2a64 # [ 11[4 . 0111042.629168] Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none 1] 5fe0: 00000004[ b e1f1c42.7698556] Control: 10c5387d Table: 1580404a DAC: 00000051 8 b6f204cf b6ea67e6[ #1 1[4 . 46380] Process cat (pid: 2622, stack limit = 0x0ea696a8) 114.015295] Code: [e 3 41a134b.c654291] Stack: (0xc5803e2c to 0xc5804000) e30d0d50 e34c01ac e02330[0 2 1(4.660819] 3e20: c0c33db0 00729c54 c5803f60 c15e8704 c135da04 e5843000) # [ 114.021404[] -14.671423] 3e40: c135da04 c135dbe8 0000002a c5a4c000 0000000b c5803f60 c5803e74 c5803e68 --[ end trace 602be0240ace[6 2 5114.682111] 3e60: c0c33040 c135dba8 c5803e9c c5803e78 c0c33540 c0c33020 c0c33420 c2f5d400 ]--- # WRITE_RO_AFTER_I[N I T1:4.692800] 3e80: b6dcc000 0000000b c5357900 c5803f60 c5803ec4 c5803ea0 c07e0650 c0c3342c missing 'call trace:': [[ F A1I14.703402] 3ea0: 00000000 c2f5d400 b6dcc000 c2816000 c5803f60 c07e05ec c5803f5c c5803ec8 ] not ok 40 selftests:[ l k1d1t.714004] 3ec0: c0598d04 c07e05f8 00000001 00000000 c0599298 c13732e0 c0599298 c5802000 m: WRITE_RO_AFTER_INIT.sh[ # 1e4.724519] 3ee0: b6dcc000 00020000 00000004 0000000b 0001fff5 c5803ee0 00000001 b6dcb000 xit=1 # selftests: lkdt[m : 1W14.735120] 3f00: c5a28140 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ITE_KERN.sh [ 114.745723] 3f20: 00000000 00000000 c13732e0 c671ece4 c205c620 c2f5d400 c2f5d400 c5802000 [ 114.755024] 3f40: b6dcc000 00000000 00000000 00000004 c5803f94 c5803f60 c0599298 c0598c04 [ 114.763212] 3f60: 00000000 00000000 c5803fac c671ece4 0000000b 0000000b b6f13e00 00000004 [ 114.771402] 3f80: c03002e4 c5802000 c5803fa4 c5803f98 c0599328 c0599230 00000000 c5803fa8 [ 114.779590] 3fa0: c03000c0 c059931c 0000000b 0000000b 00000001 b6dcc000 0000000b 00000000 [ 114.787779] 3fc0: 0000000b 0000000b b6f13e00 00000004 00000001 00000000 00020000 becc0a64 [ 114.795966] 3fe0: 00000004 becc0798 b6e7e4cf b6e047e6 800e0030 00000001 00000000 00000000 [ 114.804148] Backtrace: [ 114.806630] [] (lkdtm_WRITE_KERN) from [] (lkdtm_do_action+0x2c/0x4c) [ 114.814820] r7:c5803f60 r6:0000000b r5:c5a4c000 r4:0000002a [ 114.820495] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 114.828517] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 114.836446] r9:c5803f60 r8:c5357900 r7:0000000b r6:b6dcc000 r5:c2f5d400 r4:c0c33420 [ 114.844209] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 114.852053] r9:c07e05ec r8:c5803f60 r7:c2816000 r6:b6dcc000 r5:c2f5d400 r4:00000000 [ 114.859809] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 114.866955] r10:00000004 r9:00000000 r8:00000000 r7:b6dcc000 r6:c5802000 r5:c2f5d400 [ 114.874791] r4:c2f5d400 [ 114.877338] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 114.884485] r9:c5802000 r8:c03002e4 r7:00000004 r6:b6f13e00 r5:0000000b r4:0000000b [ 114.892242] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 114.899819] Exception stack(0xc5803fa8 to 0xc5803ff0) [ 114.904881] 3fa0: 0000000b 0000000b 00000001 b6dcc000 0000000b 00000000 [ 114.913070] 3fc0: 0000000b 0000000b b6f13e00 00000004 00000001 00000000 00020000 becc0a64 [ 114.921257] 3fe0: 00000004 becc0798 b6e7e4cf b6e047e6 [ 114.926320] Code: f5d1f05c f5d1f07c e8b151f8 e2522020 (e8a051f8) [ 114.932427] ---[ end trace 602be0240ace6254 ]--- # Segmentation fault # [ 114.478828] lkdtm: Performing direct entry WRITE_KERN # [ 114.484502] lkdtm: attempting bad 7511124 byte write at c135da04 # [ 114.492719] 8<--- cut here --- # [ 114.498429] Unable to handle kernel paging request at virtual address c135da04 # [ 114.507734] pgd = e4f1c5f9 # [ 114.512607] [c135da04] *pgd=1121940e(bad) # [ 114.519481] Internal error: Oops: 80d [#14] SMP ARM # [ 114.526695] 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 imx_ldb flexcan can_dev dw_hdmi_imx etnaviv dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 # [ 114.558398] CPU: 3 PID: 2622 Comm: cat Tainted: G D W 5.10.162-cip23 #1 # [ 114.568562] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 114.577178] PC is at memcpy+0x50/0x330 # [ 114.583607] LR is at 0xe92dd830 # [ 114.589001] pc : [] lr : [] psr: 200e0013 # [ 114.597433] sp : c5803e2c ip : e1a0c00d fp : c5803e64 # [ 114.604739] r10: 0000000b r9 : c1accf6c r8 : e89da800 # [ 114.612129] r7 : e8bd4000 r6 : e52de004 r5 : e24cb004 r4 : e92dd800 # [ 114.620648] r3 : e1a0c00d r2 : 00729bb4 r1 : c0c33dd0 r0 : c135da04 # [ 114.629168] Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 114.638556] Control: 10c5387d Table: 1580404a DAC: 00000051 # [ 114.646380] Process cat (pid: 2622, stack limit = 0x0ea696a8) # [ 114.654291] Stack: (0xc5803e2c to 0xc5804000) # [ 114.660819] 3e20: c0c33db0 00729c54 c5803f60 c15e8704 c135da04 # [ 114.671423] 3e40: c135da04 c135dbe8 0000002a c5a4c000 0000000b c5803f60 c5803e74 c5803e68 # [ 114.682111] 3e60: c0c33040 c135dba8 c5803e9c c5803e78 c0c33540 c0c33020 c0c33420 c2f5d400 # [ 114.692800] 3e80: b6dcc000 0000000b c5357900 c5803f60 c5803ec4 c5803ea0 c07e0650 c0c3342c # [ 114.703402] 3ea0: 00000000 c2f5d400 b6dcc000 c2816000 c5803f60 c07e05ec c5803f5c c5803ec8 # [ 114.714004] 3ec0: c0598d04 c07e05f8 00000001 00000000 c0599298 c13732e0 c0599298 c5802000 # [ 114.724519] 3ee0: b6dcc000 00020000 00000004 0000000b 0001fff5 c5803ee0 00000001 b6dcb000 # [ 114.735120] 3f00: c5a28140 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 114.745723] 3f20: 00000000 00000000 c13732e0 c671ece4 c205c620 c2f5d400 c2f5d400 c5802000 # [ 114.755024] 3f40: b6dcc000 00000000 00000000 00000004 c5803f94 c5803f60 c0599298 c0598c04 # [ 114.763212] 3f60: 00000000 00000000 c5803fac c671ece4 0000000b 0000000b b6f13e00 00000004 # [ 114.771402] 3f80: c03002e4 c5802000 c5803fa4 c5803f98 c0599328 c0599230 00000000 c5803fa8 # [ 114.779590] 3fa0: c03000c0 c059931c 0000000b 0000000b 00000001 b6dcc000 0000000b 00000000 # [ 114.787779] 3fc0: 0000000b 0000000b b6f13e00 00000004 00000001 00000000 00020000 becc0a64 # [ 114.795966] 3fe0: 00000004 becc0798 b6e7e4cf b6e047e6 800e0030 00000001 00000000 00000000 # [ 114.804148] Backtrace: # [ 114.806630] [] (lkdtm_WRITE_KERN) from [] (lkdtm_do_action+0x2c/0x4c) # [ 114.814820] r7:c5803f60 r6:0000000b r5:c5a4c000 r4:0000002a # [ 114.820495] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 114.828517] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 114.836446] r9:c5803f60 r8:c5357900 r7:0000000b r6:b6dcc000 r5:c2f5d400 r4:c0c33420 # [ 114.844209] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 114.852053] r9:c07e05ec r8:c5803f60 r7:c2816000 r6:b6dcc000 r5:c2f5d400 r4:00000000 # [ 114.859809] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 114.866955] r10:00000004 r9:00000000 r8:00000000 r7:b6dcc000 r6:c5802000 r5:c2f5d400 # [ 114.874791] r4:c2f5d400 # [ 114.877338] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 114.884485] r9:c5802000 r8:c03002e4 r7:00000004 r6:b6f13e00 r5:0000000b r4:0000000b # [ 114.892242] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 114.899819] Exception stack(0xc[ 115.415525] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW 5803fa8 to 0xc5803ff0) # [ 114.[ 115.422728] lkdtm: attempting good refcount_inc() without overflow 904881] 3fa0: 0[ 115.431718] lkdtm: attempting bad refcount_inc() overflow 000000b 0000000b 00000001 b6dcc00[ 115.440061] ------------[ cut here ]------------ 0 0000000b 00000000 # [ 114.913[ 115.447456] WARNING: CPU: 2 PID: 2697 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 070] 3fc0: 0000000b 0000000b b6f1[ 115.458742] refcount_t: saturated; leaking memory. 3e00 00000004 00000001 00000000 0[ 115.466388] 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 imx_ldb flexcan can_dev dw_hdmi_imx etnaviv dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 0020000 becc0a64 # [ 114.921257[ 115.498100] CPU: 2 PID: 2697 Comm: cat Tainted: G D W 5.10.162-cip23 #1 ] 3fe0: 0[0 0 0101050.45 0b8e6c6c] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 0798 b6e7e4cf b6e[0 4 71e165 . 5#6926] Backtrace: [ 114.926320] Code: f5d1f05c f5 115.521470] [] (dump_backtrace) from [] (show_stack+0x20/0x24) d1f07c e8b151f8[ e 2151252.05230803] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f6f8 (e8a051f8) # [[ 111145..9539460] [] (show_stack) from [] (dump_stack+0xe0/0x100) 2427] ---[ end trace 602[b e 01215.548855] [] (dump_stack) from [] (__warn+0xfc/0x16c) 0ace6254 ]--- # W[R I T1E1_5K.E558242] r9:00000009 r8:c08722f4 r7:00000016 r6:00000009 r5:c08722f4 r4:c1a20ffc N: missing 'call trace[: ' :1 1[5.568154] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) AIL] not ok[ 4 11 1s5e.l5f7t7e973] r7:00000016 r6:c1a20ffc r5:c1a20fd4 r4:c68ea000 ts: lkdtm: WRITE_KER[N . s1h1 5#.585545] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) exit=1 # sel[f t e1s1t5.s5:9 6l755] r9:c1accf78 r8:c15e8704 r7:c68ebf60 r6:00000016 r5:c5d69000 r4:c68ea000 dtm: REFCOUNT_INC_OVER[F L O1W1.5.606412] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) h [ 115.618405] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_OVERFLOW+0x78/0x9c) [ 115.628749] [] (lkdtm_REFCOUNT_INC_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) [ 115.637886] r4:0000002b [ 115.640429] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 115.648447] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 115.656374] r9:c68ebf60 r8:c5357900 r7:00000016 r6:b6e0d000 r5:c5a28140 r4:c0c33420 [ 115.664132] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 115.671971] r9:c07e05ec r8:c68ebf60 r7:c2816000 r6:b6e0d000 r5:c5a28140 r4:00000000 [ 115.679723] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 115.686866] r10:00000004 r9:00000000 r8:00000000 r7:b6e0d000 r6:c68ea000 r5:c5a28140 [ 115.694700] r4:c5a28140 [ 115.697242] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 115.704386] r9:c68ea000 r8:c03002e4 r7:00000004 r6:b6f54e00 r5:00000016 r4:00000016 [ 115.712139] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 115.719713] Exception stack(0xc68ebfa8 to 0xc68ebff0) [ 115.724774] bfa0: 00000016 00000016 00000001 b6e0d000 00000016 00000000 [ 115.732959] bfc0: 00000016 00000016 b6f54e00 00000004 00000001 00000000 00020000 bed46a64 [ 115.741141] bfe0: 00000004 bed46798 b6ebf4cf b6e457e6 [ 115.746258] irq event stamp: 0 [ 115.749353] hardirqs last enabled at (0): [<00000000>] 0x0 [ 115.754942] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 [ 115.762475] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 [ 115.770031] softirqs last disabled at (0): [<00000000>] 0x0 [ 115.775621] ---[ end trace 602be0240ace6255 ]--- [ 115.780280] lkdtm: Overflow detected: saturated # [ 115.415525] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW # [ 115.422728] lkdtm: attempting good refcount_inc() without overflow # [ 115.431718] lkdtm: attempting bad refcount_inc() overflow # [ 115.440061] ------------[ cut here ]------------ # [ 115.447456] WARNING: CPU: 2 PID: 2697 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 115.458742] refcount_t: saturated; leaking memory. # [ 115.466388] 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 imx_ldb flexcan can_dev dw_hdmi_imx etnaviv dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 # [ 115.498100] CPU: 2 PID: 2697 Comm: cat Tainted: G D W 5.10.162-cip23 #1 # [ 115.508664] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 115.516926] Backtrace: # [ 115.521470] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 115.531803] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f6f8 # [ 115.539460] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 115.548855] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 115.558242] r9:00000009 r8:c08722f4 r7:00000016 r6:00000009 r5:c08722f4 r4:c1a20ffc # [ 115.568154] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 115.577973] r7:00000016 r6:c1a20ffc r5:c1a20fd4 r4:c68ea000 # [ 115.585545] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 115.596755] r9:c1accf78 r8:c15e8704 r7:c68ebf60 r6:00000016 r5:c5d69000 r4:c68ea000 # [ 115.606412] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 115.618405] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_OVERFLOW+0x78/0x9c) # [ 115.628749] [] (lkdtm_REFCOUNT_INC_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 115.637886] r4:0000002b # [ 115.640429] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 115.648447] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 115.656374] r9:c68ebf60 r8:c5357900 r7:00000016 r6:b6e0d000 r5:c5a28140 r4:c0c33420 # [ 115.664132] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 115.671971] r9:c07e05ec r8:c68ebf60 r7:c2816000 r6:b6e0d000 r5:c5a28140 r4:00000000 # [ 115.679723] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 115.686866] r10:00000004 r9:00000000 r8:00000000 r7:b6e0d000 r6:c68ea000 r5:c5a28140 # [ 115.694700] r4:c5a28140 # [ 115.697242] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 115.704386] r9:c68ea000 r8:c03002e4 r7:00000004 r6:b6f54e00 r5:00000016 r4:00000016 # [ 115.712139] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 115.719713] Exception stack(0xc68ebfa8 to 0xc68ebff0) # [ 115.724774] bfa0: 00000016 00000016 00000001 b6e0d000 00000016 00000000 # [ 115.732959] bfc0: 00000016 00000016 b6f54e00 00000004 00000001 00000000 00020000 bed46a64 # [ 115.741141] bfe0: 00000004 bed46798 b6ebf4cf b6e457e6 # [ 115.746258] irq event stamp: 0 # [ 115.749353] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 115.754942] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 # [ 115.762475] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 # [ 115.770031] softirqs last disabled at (0): [<00000000>] 0x0 # [ 115.775621] ---[ end trace 602be0240ace6255 ]--- # [ 115.780280] lkdtm: Overflow detected: saturated # REFCOUNT_INC_OVERFLOW: missin[ 116.193566] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW g 'call trace:': [FAIL] not ok 4[ 116.200250] lkdtm: attempting good refcount_add() without overflow 2 selftests: lkdtm: REFCOUNT_INC_[ 116.209262] lkdtm: attempting bad refcount_add() overflow OVERFLOW.sh # exit=1 # selftests[ 116.217538] ------------[ cut here ]------------ : lkdtm: REFCOUNT_ADD_OVERFLOW.sh[ 116.224953] WARNING: CPU: 2 PID: 2731 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 [ 116.236258] refcount_t: saturated; leaking memory. [ 116.241221] 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 imx_ldb flexcan can_dev dw_hdmi_imx etnaviv dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 [ 116.270384] CPU: 2 PID: 2731 Comm: cat Tainted: G D W 5.10.162-cip23 #1 [ 116.278134] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 116.284665] Backtrace: [ 116.287138] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 116.294717] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f6f8 [ 116.300388] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 116.307711] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 116.314684] r9:00000009 r8:c08722f4 r7:00000016 r6:00000009 r5:c08722f4 r4:c1a20ffc [ 116.322440] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 116.329929] r7:00000016 r6:c1a20ffc r5:c1a20fd4 r4:c6bae000 [ 116.335600] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) [ 116.344566] r9:c1accf90 r8:c15e8704 r7:c6baff60 r6:00000016 r5:c6e35000 r4:c6bae000 [ 116.352322] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) [ 116.361988] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_OVERFLOW+0x84/0xa8) [ 116.372083] [] (lkdtm_REFCOUNT_ADD_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) [ 116.381218] r4:0000002c [ 116.383761] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 116.391777] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 116.399703] r9:c6baff60 r8:c5357900 r7:00000016 r6:b6eac000 r5:c59e8640 r4:c0c33420 [ 116.407459] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 116.415297] r9:c07e05ec r8:c6baff60 r7:c2816000 r6:b6eac000 r5:c59e8640 r4:00000000 [ 116.423050] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 116.430192] r10:00000004 r9:00000000 r8:00000000 r7:b6eac000 r6:c6bae000 r5:c59e8640 [ 116.438025] r4:c59e8640 [ 116.440569] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 116.447713] r9:c6bae000 r8:c03002e4 r7:00000004 r6:b6ff3e00 r5:00000016 r4:00000016 [ 116.455468] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 116.463043] Exception stack(0xc6baffa8 to 0xc6bafff0) [ 116.468104] ffa0: 00000016 00000016 00000001 b6eac000 00000016 00000000 [ 116.476290] ffc0: 00000016 00000016 b6ff3e00 00000004 00000001 00000000 00020000 be8fea64 [ 116.484473] ffe0: 00000004 be8fe798 b6f5e4cf b6ee47e6 [ 116.489586] irq event stamp: 0 [ 116.492658] hardirqs last enabled at (0): [<00000000>] 0x0 [ 116.498274] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 [ 116.505777] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 [ 116.513317] softirqs last disabled at (0): [<00000000>] 0x0 [ 116.518932] ---[ end trace 602be0240ace6256 ]--- [ 116.523563] lkdtm: Overflow detected: saturated # [ 116.193566] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW # [ 116.200250] lkdtm: attempting good refcount_add() without overflow # [ 116.209262] lkdtm: attempting bad refcount_add() overflow # [ 116.217538] ------------[ cut here ]------------ # [ 116.224953] WARNING: CPU: 2 PID: 2731 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 116.236258] refcount_t: saturated; leaking memory. # [ 116.241221] 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 imx_ldb flexcan can_dev dw_hdmi_imx etnaviv dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 # [ 116.270384] CPU: 2 PID: 2731 Comm: cat Tainted: G D W 5.10.162-cip23 #1 # [ 116.278134] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 116.284665] Backtrace: # [ 116.287138] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 116.294717] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f6f8 # [ 116.300388] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 116.307711] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 116.314684] r9:00000009 r8:c08722f4 r7:00000016 r6:00000009 r5:c08722f4 r4:c1a20ffc # [ 116.322440] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 116.329929] r7:00000016 r6:c1a20ffc r5:c1a20fd4 r4:c6bae000 # [ 116.335600] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 116.344566] r9:c1accf90 r8:c15e8704 r7:c6baff60 r6:00000016 r5:c6e35000 r4:c6bae000 # [ 116.352322] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 116.361988] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_OVERFLOW+0x84/0xa8) # [ 116.372083] [] (lkdtm_REFCOUNT_ADD_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 116.381218] r4:0000002c # [ 116.383761] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 116.391777] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 116.399703] r9:c6baff60 r8:c5357900 r7:00000016 r6:b6eac000 r5:c59e8640 r4:c0c33420 # [ 116.407459] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 116.415297] r9:c07e05ec r8:c6baff60 r7:c2816000 r6:b6eac000 r5:c59e8640 r4:00000000 # [ 116.423050] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 116.430192] r10:00000004 r9:00000000 r8:00000000 r7:b6eac000 r6:c6bae000 r5:c59e8640 # [ 116.438025] r4:c59e8640 # [ 116.440569] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 116.447713] r9:c6bae000 r8:c03002e4 r7:00000004 r6:b6ff3e00 r5:00000016 r4:00000016 # [ 116.455468] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 116.463043] Exception stack(0xc6baffa8 to 0xc6bafff0) # [ 116.468104] ffa0: 00000016 00000016 00000001 b6eac000 00000016 00000000 # [ 116.476290] ffc0: 00000016 00000016 b6ff3e00 00000004 00000001 00000000 00020000 be8fea64 # [ 116.484473] ffe0: 00000004 be8fe798 b6f5e4cf b6ee47e6 # [ 116.489586] irq event stamp: 0 # [ 116.492658] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 116.498274] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 # [ 116.505777] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 # [ 116.513317] softirqs last disabled at (0): [<00000000>] 0x0 # [ 116.518932] ---[ end trace 602be0240ace6256 ]--- # [ 116.523563] lkdtm: Overflow detected: saturated # REFCOUNT_ADD_OVERFLOW: missing 'call trace:': [FAIL] not ok 43 selftests: lkdtm: REFCOUNT_ADD_OVERFLOW.sh # e[ 116.952483] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW xit=1 # selftests: lkdtm: REFCOU[ 116.960501] lkdtm: attempting bad refcount_inc_not_zero() overflow NT_INC_NOT_ZERO_OVERFLOW.sh [ 116.969635] ------------[ cut here ]------------ [ 116.976665] WARNING: CPU: 3 PID: 2765 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 [ 116.985112] refcount_t: saturated; leaking memory. [ 116.989960] 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 imx_ldb flexcan can_dev dw_hdmi_imx etnaviv dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 [ 117.019097] CPU: 3 PID: 2765 Comm: cat Tainted: G D W 5.10.162-cip23 #1 [ 117.026846] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 117.033377] Backtrace: [ 117.035849] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 117.043430] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f6f8 [ 117.049101] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 117.056424] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 117.063396] r9:00000009 r8:c08722c0 r7:00000013 r6:00000009 r5:c08722c0 r4:c1a20ffc [ 117.071152] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 117.078641] r7:00000013 r6:c1a20ffc r5:c1a20fd4 r4:c6c40000 [ 117.084312] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) [ 117.093282] r9:c1accfa8 r8:c15e8704 r7:c6c41f60 r6:0000001f r5:c4761000 r4:7fffffff [ 117.101035] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) [ 117.111481] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x50/0x88) [ 117.123137] r5:c4761000 r4:c6c40000 [ 117.126724] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) [ 117.136642] r4:0000002d [ 117.139186] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 117.147203] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 117.155127] r9:c6c41f60 r8:c5357900 r7:0000001f r6:b6e44000 r5:c5a91900 r4:c0c33420 [ 117.162884] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 117.170721] r9:c07e05ec r8:c6c41f60 r7:c2816000 r6:b6e44000 r5:c5a91900 r4:00000000 [ 117.178473] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 117.185616] r10:00000004 r9:00000000 r8:00000000 r7:b6e44000 r6:c6c40000 r5:c5a91900 [ 117.193450] r4:c5a91900 [ 117.195994] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 117.203136] r9:c6c40000 r8:c03002e4 r7:00000004 r6:b6f8be00 r5:0000001f r4:0000001f [ 117.210890] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 117.218463] Exception stack(0xc6c41fa8 to 0xc6c41ff0) [ 117.223522] 1fa0: 0000001f 0000001f 00000001 b6e44000 0000001f 00000000 [ 117.231710] 1fc0: 0000001f 0000001f b6f8be00 00000004 00000001 00000000 00020000 be810a64 [ 117.239893] 1fe0: 00000004 be810798 b6ef64cf b6e7c7e6 [ 117.245006] irq event stamp: 0 [ 117.248105] hardirqs last enabled at (0): [<00000000>] 0x0 [ 117.253694] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 [ 117.261232] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 [ 117.268791] softirqs last disabled at (0): [<00000000>] 0x0 [ 117.274380] ---[ end trace 602be0240ace6257 ]--- [ 117.279042] lkdtm: Overflow detected: saturated # [ 116.952483] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 116.960501] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 116.969635] ------------[ cut here ]------------ # [ 116.976665] WARNING: CPU: 3 PID: 2765 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 116.985112] refcount_t: saturated; leaking memory. # [ 116.989960] 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 imx_ldb flexcan can_dev dw_hdmi_imx etnaviv dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 # [ 117.019097] CPU: 3 PID: 2765 Comm: cat Tainted: G D W 5.10.162-cip23 #1 # [ 117.026846] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 117.033377] Backtrace: # [ 117.035849] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 117.043430] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f6f8 # [ 117.049101] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 117.056424] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 117.063396] r9:00000009 r8:c08722c0 r7:00000013 r6:00000009 r5:c08722c0 r4:c1a20ffc # [ 117.071152] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 117.078641] r7:00000013 r6:c1a20ffc r5:c1a20fd4 r4:c6c40000 # [ 117.084312] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 117.093282] r9:c1accfa8 r8:c15e8704 r7:c6c41f60 r6:0000001f r5:c4761000 r4:7fffffff # [ 117.101035] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 117.111481] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x50/0x88) # [ 117.123137] r5:c4761000 r4:c6c40000 # [ 117.126724] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 117.136642] r4:0000002d # [ 117.139186] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 117.147203] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 117.155127] r9:c6c41f60 r8:c5357900 r7:0000001f r6:b6e44000 r5:c5a91900 r4:c0c33420 # [ 117.162884] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 117.170721] r9:c07e05ec r8:c6c41f60 r7:c2816000 r6:b6e44000 r5:c5a91900 r4:00000000 # [ 117.178473] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 117.185616] r10:00000004 r9:00000000 r8:00000000 r7:b6e44000 r6:c6c40000 r5:c5a91900 # [ 117.193450] r4:c5a91900 # [ 117.195994] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 117.203136] r9:c6c40000 r8:c03002e4 r7:00000004 r6:b6f8be00 r5:0000001f r4:0000001f # [ 117.210890] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 117.218463] Exception stack(0xc6c41fa8 to 0xc6c41ff0) # [ 117.223522] 1fa0: 0000001f 0000001f 00000001 b6e44000 0000001f 00000000 # [ 117.231710] 1fc0: 0000001f 0000001f b6f8be00 00000004 00000001 00000000 00020000 be810a64 # [ 117.239893] 1fe0: 00000004 be810798 b6ef64cf b6e7c7e6 # [ 117.245006] irq event stamp: 0 # [ 117.248105] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 117.253694] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 # [ 117.261232] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 # [ 117.268791] softirqs last disabled at (0): [<00000000>] 0x0 # [ 117.274380] ---[ end trace 602be0240ace6257 ]--- # [ 117.279042] 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: REFCO[ 117.711938] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW UNT_ADD_NOT_ZERO_OVERFLOW.sh [ 117.719615] lkdtm: attempting bad refcount_add_not_zero() overflow [ 117.728305] ------------[ cut here ]------------ [ 117.732954] WARNING: CPU: 3 PID: 2799 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 [ 117.741543] refcount_t: saturated; leaking memory. [ 117.746393] 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 imx_ldb flexcan can_dev dw_hdmi_imx etnaviv dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 [ 117.775536] CPU: 3 PID: 2799 Comm: cat Tainted: G D W 5.10.162-cip23 #1 [ 117.783286] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 117.789819] Backtrace: [ 117.792291] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 117.799868] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f6f8 [ 117.805539] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 117.812861] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 117.819833] r9:00000009 r8:c08722c0 r7:00000013 r6:00000009 r5:c08722c0 r4:c1a20ffc [ 117.827588] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 117.835079] r7:00000013 r6:c1a20ffc r5:c1a20fd4 r4:c5c1a000 [ 117.840751] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) [ 117.849718] r9:c1accfc8 r8:c15e8704 r7:c5c1bf60 r6:0000001f r5:c4761000 r4:7fffffff [ 117.857474] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) [ 117.867918] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x50/0x88) [ 117.879572] r5:c4761000 r4:c5c1a000 [ 117.883162] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) [ 117.893080] r4:0000002e [ 117.895623] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 117.903640] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 117.911565] r9:c5c1bf60 r8:c5357900 r7:0000001f r6:b6dc6000 r5:c5a91b80 r4:c0c33420 [ 117.919321] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 117.927159] r9:c07e05ec r8:c5c1bf60 r7:c2816000 r6:b6dc6000 r5:c5a91b80 r4:00000000 [ 117.934911] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 117.942054] r10:00000004 r9:00000000 r8:00000000 r7:b6dc6000 r6:c5c1a000 r5:c5a91b80 [ 117.949887] r4:c5a91b80 [ 117.952431] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 117.959575] r9:c5c1a000 r8:c03002e4 r7:00000004 r6:b6f0de00 r5:0000001f r4:0000001f [ 117.967328] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 117.974903] Exception stack(0xc5c1bfa8 to 0xc5c1bff0) [ 117.979963] bfa0: 0000001f 0000001f 00000001 b6dc6000 0000001f 00000000 [ 117.988149] bfc0: 0000001f 0000001f b6f0de00 00000004 00000001 00000000 00020000 beee8a64 [ 117.996332] bfe0: 00000004 beee8798 b6e784cf b6dfe7e6 [ 118.001448] irq event stamp: 0 [ 118.004521] hardirqs last enabled at (0): [<00000000>] 0x0 [ 118.010136] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 [ 118.017691] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 [ 118.025229] softirqs last disabled at (0): [<00000000>] 0x0 [ 118.030873] ---[ end trace 602be0240ace6258 ]--- [ 118.035506] lkdtm: Overflow detected: saturated # [ 117.711938] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 117.719615] lkdtm: attempting bad refcount_add_not_zero() overflow # [ 117.728305] ------------[ cut here ]------------ # [ 117.732954] WARNING: CPU: 3 PID: 2799 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 117.741543] refcount_t: saturated; leaking memory. # [ 117.746393] 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 imx_ldb flexcan can_dev dw_hdmi_imx etnaviv dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 # [ 117.775536] CPU: 3 PID: 2799 Comm: cat Tainted: G D W 5.10.162-cip23 #1 # [ 117.783286] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 117.789819] Backtrace: # [ 117.792291] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 117.799868] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f6f8 # [ 117.805539] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 117.812861] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 117.819833] r9:00000009 r8:c08722c0 r7:00000013 r6:00000009 r5:c08722c0 r4:c1a20ffc # [ 117.827588] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 117.835079] r7:00000013 r6:c1a20ffc r5:c1a20fd4 r4:c5c1a000 # [ 117.840751] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 117.849718] r9:c1accfc8 r8:c15e8704 r7:c5c1bf60 r6:0000001f r5:c4761000 r4:7fffffff # [ 117.857474] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 117.867918] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x50/0x88) # [ 117.879572] r5:c4761000 r4:c5c1a000 # [ 117.883162] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 117.893080] r4:0000002e # [ 117.895623] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 117.903640] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 117.911565] r9:c5c1bf60 r8:c5357900 r7:0000001f r6:b6dc6000 r5:c5a91b80 r4:c0c33420 # [ 117.919321] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 117.927159] r9:c07e05ec r8:c5c1bf60 r7:c2816000 r6:b6dc6000 r5:c5a91b80 r4:00000000 # [ 117.934911] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 117.942054] r10:00000004 r9:00000000 r8:00000000 r7:b6dc6000 r6:c5c1a000 r5:c5a91b80 # [ 117.949887] r4:c5a91b80 # [ 117.952431] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 117.959575] r9:c5c1a000 r8:c03002e4 r7:00000004 r6:b6f0de00 r5:0000001f r4:0000001f # [ 117.967328] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 117.974903] Exception stack(0xc5c1bfa8 to 0xc5c1bff0) # [ 117.979963] bfa0: 0000001f 0000001f 00000001 b6dc6000 0000001f 00000000 # [ 117.988149] bfc0: 0000001f 0000001f b6f0de00 00000004 00000001 00000000 00020000 beee8a64 # [ 117.996332] bfe0: 00000004 beee8798 b6e784cf b6dfe7e6 # [ 118.001448] irq event stamp: 0 # [ 118.004521] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 118.010136] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 # [ 118.017691] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 # [ 118.025229] softirqs last disabled at (0): [<00000000>] 0x0 # [ 118.030873] ---[ end trace 602be0240ace6258 ]--- # [ 118.035506] lkdtm: Overfl[ 118.464041] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO ow detected: saturated # REFCOUN[ 118.470822] lkdtm: attempting good refcount_dec() T_ADD_NOT_ZERO_OVERFLOW: missing [ 118.478227] lkdtm: attempting bad refcount_dec() to zero 'call trace:': [FAIL] not ok 45 [ 118.486394] ------------[ cut here ]------------ selftests: lkdtm: REFCOUNT_ADD_NO[ 118.493854] WARNING: CPU: 2 PID: 2833 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 T_ZERO_OVERFLOW.sh # exit=1 # se[ 118.505173] refcount_t: decrement hit 0; leaking memory. lftests: lkdtm: REFCOUNT_DEC_ZERO[ 118.513351] 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 imx_ldb flexcan can_dev dw_hdmi_imx etnaviv dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 .sh [ 118.545068] CPU: 2 PID: 2833 Comm: cat Tainted: G D W 5.10.162-cip23 #1 [ 118.553195] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 118.559730] Backtrace: [ 118.562209] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 118.569793] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f6f8 [ 118.575468] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 118.582795] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 118.589771] r9:00000009 r8:c087228c r7:0000001f r6:00000009 r5:c087228c r4:c1a20ffc [ 118.597533] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 118.605027] r7:0000001f r6:c1a20ffc r5:c1a21060 r4:c6f2a000 [ 118.610701] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) [ 118.619674] r9:c1accfe8 r8:c15e8704 r7:c6f2bf60 r6:00000012 r5:c5d69000 r4:c6f2a000 [ 118.627433] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) [ 118.637102] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_ZERO+0x5c/0xd8) [ 118.646857] [] (lkdtm_REFCOUNT_DEC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) [ 118.655649] r4:0000002f [ 118.658197] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 118.666220] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 118.674147] r9:c6f2bf60 r8:c5357900 r7:00000012 r6:b6e4b000 r5:c5a912c0 r4:c0c33420 [ 118.681911] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 118.689752] r9:c07e05ec r8:c6f2bf60 r7:c2816000 r6:b6e4b000 r5:c5a912c0 r4:00000000 [ 118.697508] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 118.704654] r10:00000004 r9:00000000 r8:00000000 r7:b6e4b000 r6:c6f2a000 r5:c5a912c0 [ 118.712489] r4:c5a912c0 [ 118.715037] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 118.722183] r9:c6f2a000 r8:c03002e4 r7:00000004 r6:b6f92e00 r5:00000012 r4:00000012 [ 118.729940] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 118.737518] Exception stack(0xc6f2bfa8 to 0xc6f2bff0) [ 118.742582] bfa0: 00000012 00000012 00000001 b6e4b000 00000012 00000000 [ 118.750771] bfc0: 00000012 00000012 b6f92e00 00000004 00000001 00000000 00020000 bef08a64 [ 118.758956] bfe0: 00000004 bef08798 b6efd4cf b6e837e6 [ 118.764086] irq event stamp: 0 [ 118.767190] hardirqs last enabled at (0): [<00000000>] 0x0 [ 118.772785] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 [ 118.780316] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 [ 118.787868] softirqs last disabled at (0): [<00000000>] 0x0 [ 118.793502] ---[ end trace 602be0240ace6259 ]--- [ 118.798176] lkdtm: Zero detected: saturated # [ 118.464041] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO # [ 118.470822] lkdtm: attempting good refcount_dec() # [ 118.478227] lkdtm: attempting bad refcount_dec() to zero # [ 118.486394] ------------[ cut here ]------------ # [ 118.493854] WARNING: CPU: 2 PID: 2833 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 # [ 118.505173] refcount_t: decrement hit 0; leaking memory. # [ 118.513351] 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 imx_ldb flexcan can_dev dw_hdmi_imx etnaviv dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 # [ 118.545068] CPU: 2 PID: 2833 Comm: cat Tainted: G D W 5.10.162-cip23 #1 # [ 118.553195] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 118.559730] Backtrace: # [ 118.562209] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 118.569793] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f6f8 # [ 118.575468] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 118.582795] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 118.589771] r9:00000009 r8:c087228c r7:0000001f r6:00000009 r5:c087228c r4:c1a20ffc # [ 118.597533] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 118.605027] r7:0000001f r6:c1a20ffc r5:c1a21060 r4:c6f2a000 # [ 118.610701] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) # [ 118.619674] r9:c1accfe8 r8:c15e8704 r7:c6f2bf60 r6:00000012 r5:c5d69000 r4:c6f2a000 # [ 118.627433] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) # [ 118.637102] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_ZERO+0x5c/0xd8) # [ 118.646857] [] (lkdtm_REFCOUNT_DEC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 118.655649] r4:0000002f # [ 118.658197] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 118.666220] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 118.674147] r9:c6f2bf60 r8:c5357900 r7:00000012 r6:b6e4b000 r5:c5a912c0 r4:c0c33420 # [ 118.681911] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 118.689752] r9:c07e05ec r8:c6f2bf60 r7:c2816000 r6:b6e4b000 r5:c5a912c0 r4:00000000 # [ 118.697508] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 118.704654] r10:00000004 r9:00000000 r8:00000000 r7:b6e4b000 r6:c6f2a000 r5:c5a912c0 # [ 118.712489] r4:c5a912c0 # [ 118.715037] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 118.722183] r9:c6f2a000 r8:c03002e4 r7:00000004 r6:b6f92e00 r5:00000012 r4:00000012 # [ 118.729940] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 118.737518] Exception stack(0xc6f2bfa8 to 0xc6f2bff0) # [ 118.742582] bfa0: 00000012 00000012 00000001 b6e4b000 00000012 00000000 # [ 118.750771] bfc0: 00000012 00000012 b6f92e00 00000004 00000001 00000000 00020000 bef08a64 # [ 118.758956] bfe0: 00000004 bef08798 b6efd4cf b6e837e6 # [ 118.764086] irq event stamp: 0 # [ 118.767190] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 118.772785] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 # [ 118.780316] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 # [ 118.787868] softirqs last disabled at (0): [<00000000>] 0x0 # [ 118.793502] ---[ end trace 602be0240ace6259 ]--- # [ 118.798176] 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 [ 119.245524] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE [ 119.251741] lkdtm: attempting bad refcount_dec() below zero [ 119.257397] ------------[ cut here ]------------ [ 119.262076] WARNING: CPU: 1 PID: 2870 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 [ 119.270687] refcount_t: decrement hit 0; leaking memory. [ 119.276054] 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 imx_ldb flexcan can_dev dw_hdmi_imx etnaviv dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 [ 119.305211] CPU: 1 PID: 2870 Comm: cat Tainted: G D W 5.10.162-cip23 #1 [ 119.312961] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 119.319495] Backtrace: [ 119.321968] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 119.329548] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f6f8 [ 119.335221] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 119.342545] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 119.349518] r9:00000009 r8:c087228c r7:0000001f r6:00000009 r5:c087228c r4:c1a20ffc [ 119.357274] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 119.364764] r7:0000001f r6:c1a20ffc r5:c1a21060 r4:c6fb8000 [ 119.370437] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) [ 119.379403] r9:c1accffc r8:c15e8704 r7:c6fb9f60 r6:00000016 r5:00000000 r4:c6fb8000 [ 119.387158] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) [ 119.396824] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_NEGATIVE+0x48/0x70) [ 119.406922] [] (lkdtm_REFCOUNT_DEC_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) [ 119.416061] r5:c69a5000 r4:00000030 [ 119.419647] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 119.427665] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 119.435590] r9:c6fb9f60 r8:c5357900 r7:00000016 r6:b6e8a000 r5:c448c8c0 r4:c0c33420 [ 119.443348] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 119.451186] r9:c07e05ec r8:c6fb9f60 r7:c2816000 r6:b6e8a000 r5:c448c8c0 r4:00000000 [ 119.458939] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 119.466082] r10:00000004 r9:00000000 r8:00000000 r7:b6e8a000 r6:c6fb8000 r5:c448c8c0 [ 119.473916] r4:c448c8c0 [ 119.476462] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 119.483606] r9:c6fb8000 r8:c03002e4 r7:00000004 r6:b6fd1e00 r5:00000016 r4:00000016 [ 119.491361] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 119.498936] Exception stack(0xc6fb9fa8 to 0xc6fb9ff0) [ 119.503998] 9fa0: 00000016 00000016 00000001 b6e8a000 00000016 00000000 [ 119.512184] 9fc0: 00000016 00000016 b6fd1e00 00000004 00000001 00000000 00020000 bef23a64 [ 119.520367] 9fe0: 00000004 bef23798 b6f3c4cf b6ec27e6 [ 119.525504] irq event stamp: 0 [ 119.528602] hardirqs last enabled at (0): [<00000000>] 0x0 [ 119.534192] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 [ 119.541762] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 [ 119.549309] softirqs last disabled at (0): [<00000000>] 0x0 [ 119.554896] ---[ end trace 602be0240ace625a ]--- [ 119.559571] lkdtm: Negative detected: saturated # [ 119.245524] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 119.251741] lkdtm: attempting bad refcount_dec() below zero # [ 119.257397] ------------[ cut here ]------------ # [ 119.262076] WARNING: CPU: 1 PID: 2870 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 # [ 119.270687] refcount_t: decrement hit 0; leaking memory. # [ 119.276054] 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 imx_ldb flexcan can_dev dw_hdmi_imx etnaviv dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 # [ 119.305211] CPU: 1 PID: 2870 Comm: cat Tainted: G D W 5.10.162-cip23 #1 # [ 119.312961] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 119.319495] Backtrace: # [ 119.321968] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 119.329548] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f6f8 # [ 119.335221] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 119.342545] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 119.349518] r9:00000009 r8:c087228c r7:0000001f r6:00000009 r5:c087228c r4:c1a20ffc # [ 119.357274] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 119.364764] r7:0000001f r6:c1a20ffc r5:c1a21060 r4:c6fb8000 # [ 119.370437] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) # [ 119.379403] r9:c1accffc r8:c15e8704 r7:c6fb9f60 r6:00000016 r5:00000000 r4:c6fb8000 # [ 119.387158] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) # [ 119.396824] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_NEGATIVE+0x48/0x70) # [ 119.406922] [] (lkdtm_REFCOUNT_DEC_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 119.416061] r5:c69a5000 r4:00000030 # [ 119.419647] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 119.427665] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 119.435590] r9:c6fb9f60 r8:c5357900 r7:00000016 r6:b6e8a000 r5:c448c8c0 r4:c0c33420 # [ 119.443348] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 119.451186] r9:c07e05ec r8:c6fb9f60 r7:c2816000 r6:b6e8a000 r5:c448c8c0 r4:00000000 # [ 119.458939] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 119.466082] r10:00000004 r9:00000000 r8:00000000 r7:b6e8a000 r6:c6fb8000 r5:c448c8c0 # [ 119.473916] r4:c448c8c0 # [ 119.476462] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 119.483606] r9:c6fb8000 r8:c03002e4 r7:00000004 r6:b6fd1e00 r5:00000016 r4:00000016 # [ 119.491361] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 119.498936] Exception stack(0xc6fb9fa8 to 0xc6fb9ff0) # [ 119.503998] 9fa0: 00000016 00000016 00000001 b6e8a000 00000016 00000000 # [ 119.512184] 9fc0: 00000016 00000016 b6fd1e00 00000004 00000001 00000000 00020000 bef23a64 # [ 119.520367] 9fe0: 00000004 bef23798 b6f3c4cf b6ec27e6 # [ 119.525504] irq event stamp: 0 # [ 119.528602] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 119.534192] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 # [ 119.541762] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 # [ 119.549309] softirqs last disabled at (0): [<00000000>] 0x0 # [ 119.554896] ---[ end trace 602be0240ace625a ]--- # [ 119.559571] 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 [ 119.998699] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE [ 120.005507] lkdtm: attempting bad refcount_dec_and_test() below zero [ 120.012056] ------------[ cut here ]------------ [ 120.016803] WARNING: CPU: 3 PID: 2905 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 [ 120.025344] refcount_t: underflow; use-after-free. [ 120.030299] 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 imx_ldb flexcan can_dev dw_hdmi_imx etnaviv dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 [ 120.059756] CPU: 3 PID: 2905 Comm: cat Tainted: G D W 5.10.162-cip23 #1 [ 120.067508] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 120.074041] Backtrace: [ 120.076515] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 120.084094] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f6f8 [ 120.089766] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 120.097088] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 120.104059] r9:00000009 r8:c087235c r7:0000001c r6:00000009 r5:c087235c r4:c1a20ffc [ 120.111815] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 120.119304] r7:0000001c r6:c1a20ffc r5:c1a21038 r4:c478e000 [ 120.124975] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) [ 120.134028] r9:c1acd014 r8:c15e8704 r7:c478ff60 r6:0000001f r5:00000000 r4:c478e000 [ 120.141786] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) [ 120.152232] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x50/0x8c) [ 120.163894] [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) [ 120.173814] r5:c6be3000 r4:00000031 [ 120.177399] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 120.185414] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 120.193339] r9:c478ff60 r8:c5357900 r7:0000001f r6:b6e27000 r5:c5a7edc0 r4:c0c33420 [ 120.201097] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 120.208935] r9:c07e05ec r8:c478ff60 r7:c2816000 r6:b6e27000 r5:c5a7edc0 r4:00000000 [ 120.216686] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 120.223829] r10:00000004 r9:00000000 r8:00000000 r7:b6e27000 r6:c478e000 r5:c5a7edc0 [ 120.231661] r4:c5a7edc0 [ 120.234205] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 120.241347] r9:c478e000 r8:c03002e4 r7:00000004 r6:b6f6ee00 r5:0000001f r4:0000001f [ 120.249101] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 120.256677] Exception stack(0xc478ffa8 to 0xc478fff0) [ 120.261737] ffa0: 0000001f 0000001f 00000001 b6e27000 0000001f 00000000 [ 120.269926] ffc0: 0000001f 0000001f b6f6ee00 00000004 00000001 00000000 00020000 bed62a64 [ 120.278110] ffe0: 00000004 bed62798 b6ed94cf b6e5f7e6 [ 120.283220] irq event stamp: 0 [ 120.286293] hardirqs last enabled at (0): [<00000000>] 0x0 [ 120.291908] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 [ 120.299493] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 [ 120.307029] softirqs last disabled at (0): [<00000000>] 0x0 [ 120.312617] ---[ end trace 602be0240ace625b ]--- [ 120.317280] lkdtm: Negative detected: saturated # [ 119.998699] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 120.005507] lkdtm: attempting bad refcount_dec_and_test() below zero # [ 120.012056] ------------[ cut here ]------------ # [ 120.016803] WARNING: CPU: 3 PID: 2905 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 120.025344] refcount_t: underflow; use-after-free. # [ 120.030299] 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 imx_ldb flexcan can_dev dw_hdmi_imx etnaviv dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 # [ 120.059756] CPU: 3 PID: 2905 Comm: cat Tainted: G D W 5.10.162-cip23 #1 # [ 120.067508] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 120.074041] Backtrace: # [ 120.076515] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 120.084094] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f6f8 # [ 120.089766] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 120.097088] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 120.104059] r9:00000009 r8:c087235c r7:0000001c r6:00000009 r5:c087235c r4:c1a20ffc # [ 120.111815] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 120.119304] r7:0000001c r6:c1a20ffc r5:c1a21038 r4:c478e000 # [ 120.124975] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 120.134028] r9:c1acd014 r8:c15e8704 r7:c478ff60 r6:0000001f r5:00000000 r4:c478e000 # [ 120.141786] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 120.152232] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x50/0x8c) # [ 120.163894] [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 120.173814] r5:c6be3000 r4:00000031 # [ 120.177399] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 120.185414] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 120.193339] r9:c478ff60 r8:c5357900 r7:0000001f r6:b6e27000 r5:c5a7edc0 r4:c0c33420 # [ 120.201097] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 120.208935] r9:c07e05ec r8:c478ff60 r7:c2816000 r6:b6e27000 r5:c5a7edc0 r4:00000000 # [ 120.216686] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 120.223829] r10:00000004 r9:00000000 r8:00000000 r7:b6e27000 r6:c478e000 r5:c5a7edc0 # [ 120.231661] r4:c5a7edc0 # [ 120.234205] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 120.241347] r9:c478e000 r8:c03002e4 r7:00000004 r6:b6f6ee00 r5:0000001f r4:0000001f # [ 120.249101] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 120.256677] Exception stack(0xc478ffa8 to 0xc478fff0) # [ 120.261737] ffa0: 0000001f 0000001f 00000001 b6e27000 0000001f 00000000 # [ 120.269926] ffc0: 0000001f 0000001f b6f6ee00 00000004 00000001 00000000 00020000 bed62a64 # [ 120.278110] ffe0: 00000004 bed62798 b6ed94cf b6e5f7e6 # [ 120.283220] irq event stamp: 0 # [ 120.286293] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 120.291908] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 # [ 120.299493] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 # [ 120.307029] softirqs last disabled at (0): [<00000000>] 0x0 # [ 120.312617] ---[ end trace 602be0240ace625b ]--- # [ 120.317280] lkdtm: Negative detected: saturated # REFCOUNT_DEC_AND_TEST_NEGATIVE: saw 'Negative detected: saturated': ok ok 48 selftests: lkdtm: REFCOUNT_DEC_AND_TEST_NE[ 120.747618] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE GATIVE.sh # selftests: lkdtm: RE[ 120.755952] lkdtm: attempting bad refcount_sub_and_test() below zero FCOUNT_SUB_AND_TEST_NEGATIVE.sh [ 120.765208] ------------[ cut here ]------------ [ 120.772749] WARNING: CPU: 0 PID: 2940 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 [ 120.781369] refcount_t: underflow; use-after-free. [ 120.786194] 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 imx_ldb flexcan can_dev dw_hdmi_imx etnaviv dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 [ 120.815356] CPU: 0 PID: 2940 Comm: cat Tainted: G D W 5.10.162-cip23 #1 [ 120.823105] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 120.829638] Backtrace: [ 120.832110] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 120.839688] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f6f8 [ 120.845359] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 120.852681] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 120.859653] r9:00000009 r8:c087235c r7:0000001c r6:00000009 r5:c087235c r4:c1a20ffc [ 120.867408] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 120.874897] r7:0000001c r6:c1a20ffc r5:c1a21038 r4:c6bae000 [ 120.880567] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) [ 120.889620] r9:c1acd034 r8:c15e8704 r7:c6baff60 r6:0000001f r5:c5afa000 r4:c6bae000 [ 120.897377] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) [ 120.907824] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x50/0x8c) [ 120.919484] [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) [ 120.929402] r4:00000032 [ 120.931944] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 120.939962] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 120.947887] r9:c6baff60 r8:c5357900 r7:0000001f r6:b6ddc000 r5:c5b34280 r4:c0c33420 [ 120.955645] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 120.963484] r9:c07e05ec r8:c6baff60 r7:c2816000 r6:b6ddc000 r5:c5b34280 r4:00000000 [ 120.971236] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 120.978379] r10:00000004 r9:00000000 r8:00000000 r7:b6ddc000 r6:c6bae000 r5:c5b34280 [ 120.986214] r4:c5b34280 [ 120.988757] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 120.995901] r9:c6bae000 r8:c03002e4 r7:00000004 r6:b6f23e00 r5:0000001f r4:0000001f [ 121.003656] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 121.011230] Exception stack(0xc6baffa8 to 0xc6bafff0) [ 121.016291] ffa0: 0000001f 0000001f 00000001 b6ddc000 0000001f 00000000 [ 121.024478] ffc0: 0000001f 0000001f b6f23e00 00000004 00000001 00000000 00020000 bec6ba64 [ 121.032661] ffe0: 00000004 bec6b798 b6e8e4cf b6e147e6 [ 121.037745] irq event stamp: 0 [ 121.040816] hardirqs last enabled at (0): [<00000000>] 0x0 [ 121.046427] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 [ 121.053924] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 [ 121.061438] softirqs last disabled at (0): [<00000000>] 0x0 [ 121.067042] ---[ end trace 602be0240ace625c ]--- [ 121.071670] lkdtm: Negative detected: saturated # [ 120.747618] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 120.755952] lkdtm: attempting bad refcount_sub_and_test() below zero # [ 120.765208] ------------[ cut here ]------------ # [ 120.772749] WARNING: CPU: 0 PID: 2940 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 120.781369] refcount_t: underflow; use-after-free. # [ 120.786194] 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 imx_ldb flexcan can_dev dw_hdmi_imx etnaviv dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 # [ 120.815356] CPU: 0 PID: 2940 Comm: cat Tainted: G D W 5.10.162-cip23 #1 # [ 120.823105] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 120.829638] Backtrace: # [ 120.832110] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 120.839688] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f6f8 # [ 120.845359] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 120.852681] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 120.859653] r9:00000009 r8:c087235c r7:0000001c r6:00000009 r5:c087235c r4:c1a20ffc # [ 120.867408] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 120.874897] r7:0000001c r6:c1a20ffc r5:c1a21038 r4:c6bae000 # [ 120.880567] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 120.889620] r9:c1acd034 r8:c15e8704 r7:c6baff60 r6:0000001f r5:c5afa000 r4:c6bae000 # [ 120.897377] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 120.907824] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x50/0x8c) # [ 120.919484] [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 120.929402] r4:00000032 # [ 120.931944] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 120.939962] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 120.947887] r9:c6baff60 r8:c5357900 r7:0000001f r6:b6ddc000 r5:c5b34280 r4:c0c33420 # [ 120.955645] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 120.963484] r9:c07e05ec r8:c6baff60 r7:c2816000 r6:b6ddc000 r5:c5b34280 r4:00000000 # [ 120.971236] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 120.978379] r10:00000004 r9:00000000 r8:00000000 r7:b6ddc000 r6:c6bae000 r5:c5b34280 # [ 120.986214] r4:c5b34280 # [ 120.988757] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 120.995901] r9:c6bae000 r8:c03002e4 r7:00000004 r6:b6f23e00 r5:0000001f r4:0000001f # [ 121.003656] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 121.011230] Exception stack(0xc6baffa8 to 0xc6bafff0) # [ 121.016291] ffa0: 0000001f 0000001f 00000001 b6ddc000 0000001f 00000000 # [ 121.024478] ffc0: 0000001f 0000001f b6f23e00 00000004 00000001 00000000 00020000 bec6ba64 # [ 121.032661] ffe0: 00000004 bec6b798 b6e8e4cf b6e147e6 # [ 121.037745] irq event stamp: 0 # [ 121.040816] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 121.046427] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 # [ 121.053924] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 # [ 121.061438] softirqs last disabled at (0): [<00000000>] 0x0 # [ 121.067042] ---[ end trace 602be0240ace625c ]--- # [ 121.071670] 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_I[ 121.508042] lkdtm: Performing direct entry REFCOUNT_INC_ZERO NC_ZERO.sh [ 121.516413] lkdtm: attempting safe refcount_inc_not_zero() from zero [ 121.523801] lkdtm: Good: zero detected [ 121.527648] lkdtm: Correctly stayed at zero [ 121.531866] lkdtm: attempting bad refcount_inc() from zero [ 121.538976] ------------[ cut here ]------------ [ 121.545289] WARNING: CPU: 0 PID: 2972 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 [ 121.553859] refcount_t: addition on 0; use-after-free. [ 121.559037] 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 imx_ldb flexcan can_dev dw_hdmi_imx etnaviv dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 [ 121.588184] CPU: 0 PID: 2972 Comm: cat Tainted: G D W 5.10.162-cip23 #1 [ 121.595933] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 121.602465] Backtrace: [ 121.604937] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 121.612517] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f6f8 [ 121.618187] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 121.625510] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 121.632480] r9:00000009 r8:c0872328 r7:00000019 r6:00000009 r5:c0872328 r4:c1a20ffc [ 121.640236] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 121.647724] r7:00000019 r6:c1a20ffc r5:c1a2100c r4:c68ea000 [ 121.653395] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) [ 121.662450] r9:c1acd054 r8:c15e8704 r7:c68ebf60 r6:00000012 r5:00000000 r4:c68ea000 [ 121.670206] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) [ 121.679871] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_ZERO+0xa8/0xcc) [ 121.689622] [] (lkdtm_REFCOUNT_INC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) [ 121.698414] r5:c5e56000 r4:00000033 [ 121.702000] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 121.710017] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 121.717942] r9:c68ebf60 r8:c5357900 r7:00000012 r6:b6e24000 r5:c6a1a8c0 r4:c0c33420 [ 121.725701] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 121.733539] r9:c07e05ec r8:c68ebf60 r7:c2816000 r6:b6e24000 r5:c6a1a8c0 r4:00000000 [ 121.741291] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 121.748434] r10:00000004 r9:00000000 r8:00000000 r7:b6e24000 r6:c68ea000 r5:c6a1a8c0 [ 121.756268] r4:c6a1a8c0 [ 121.758812] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 121.765955] r9:c68ea000 r8:c03002e4 r7:00000004 r6:b6f6be00 r5:00000012 r4:00000012 [ 121.773709] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 121.781284] Exception stack(0xc68ebfa8 to 0xc68ebff0) [ 121.786344] bfa0: 00000012 00000012 00000001 b6e24000 00000012 00000000 [ 121.794528] bfc0: 00000012 00000012 b6f6be00 00000004 00000001 00000000 00020000 beed0a64 [ 121.802711] bfe0: 00000004 beed0798 b6ed64cf b6e5c7e6 [ 121.807796] irq event stamp: 0 [ 121.810869] hardirqs last enabled at (0): [<00000000>] 0x0 [ 121.816478] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 [ 121.823974] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 [ 121.831489] softirqs last disabled at (0): [<00000000>] 0x0 [ 121.837091] ---[ end trace 602be0240ace625d ]--- [ 121.841719] lkdtm: Zero detected: saturated # [ 121.508042] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 121.516413] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 121.523801] lkdtm: Good: zero detected # [ 121.527648] lkdtm: Correctly stayed at zero # [ 121.531866] lkdtm: attempting bad refcount_inc() from zero # [ 121.538976] ------------[ cut here ]------------ # [ 121.545289] WARNING: CPU: 0 PID: 2972 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 # [ 121.553859] refcount_t: addition on 0; use-after-free. # [ 121.559037] 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 imx_ldb flexcan can_dev dw_hdmi_imx etnaviv dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 # [ 121.588184] CPU: 0 PID: 2972 Comm: cat Tainted: G D W 5.10.162-cip23 #1 # [ 121.595933] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 121.602465] Backtrace: # [ 121.604937] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 121.612517] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f6f8 # [ 121.618187] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 121.625510] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 121.632480] r9:00000009 r8:c0872328 r7:00000019 r6:00000009 r5:c0872328 r4:c1a20ffc # [ 121.640236] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 121.647724] r7:00000019 r6:c1a20ffc r5:c1a2100c r4:c68ea000 # [ 121.653395] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) # [ 121.662450] r9:c1acd054 r8:c15e8704 r7:c68ebf60 r6:00000012 r5:00000000 r4:c68ea000 # [ 121.670206] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) # [ 121.679871] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_ZERO+0xa8/0xcc) # [ 121.689622] [] (lkdtm_REFCOUNT_INC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 121.698414] r5:c5e56000 r4:00000033 # [ 121.702000] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 121.710017] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 121.717942] r9:c68ebf60 r8:c5357900 r7:00000012 r6:b6e24000 r5:c6a1a8c0 r4:c0c33420 # [ 121.725701] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 121.733539] r9:c07e05ec r8:c68ebf60 r7:c2816000 r6:b6e24000 r5:c6a1a8c0 r4:00000000 # [ 121.741291] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 121.748434] r10:00000004 r9:00000000 r8:00000000 r7:b6e24000 r6:c68ea000 r5:c6a1a8c0 # [ 121.756268] r4:c6a1a8c0 # [ 121.758812] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 121.765955] r9:c68ea000 r8:c03002e4 r7:00000004 r6:b6f6be00 r5:00000012 r4:00000012 # [ 121.773709] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 121.781284] Exception stack(0xc68ebfa8 to 0xc68ebff0) # [ 121.786344] bfa0: 00000012 00000012 00000001 b6e24000 00000012 00000000 # [ 121.794528] bfc0: 00000012 00000012 b6f6be00 00000004 00000001 00000000 00020000 beed0a64 # [ 121.802711] bfe0: 00000004 beed0798 b6ed64cf b6e5c7e6 # [ 121.807796] irq event stamp: 0 # [ 121.810869] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 121.816478] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 # [ 121.823974] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 # [ 121.831489] sof[ 122.266002] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO tirqs last disabled at (0): [<000[ 122.272548] lkdtm: attempting safe refcount_add_not_zero() from zero 00000>] 0x0 # [ 121.837091] ---[ 122.281718] lkdtm: Good: zero detected [ end trace 602be0240ace625d ]---[ 122.288350] lkdtm: Correctly stayed at zero # [ 121[. 8 4112721.92]9 5l3k42] lkdtm: attempting bad refcount_add() from zero tm: Zero detected: saturated # R[ 122.302703] ------------[ cut here ]------------ EFCOUNT_INC_ZERO: missing 'call t[ 122.310224] WARNING: CPU: 1 PID: 3006 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 race:': [FAIL] not ok 50 selftes[ 122.321580] refcount_t: addition on 0; use-after-free. ts: lkdtm: REFCOUNT_INC_ZERO.sh #[ 122.329583] 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 imx_ldb flexcan can_dev dw_hdmi_imx etnaviv dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 exit=1 # selftests: lkdtm: REFC[ 122.361290] CPU: 1 PID: 3006 Comm: cat Tainted: G D W 5.10.162-cip23 #1 OUNT_ADD_ZE[R O .1s2h2 . 371848] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 122.379935] Backtrace: [ 122.382408] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 122.389987] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f6f8 [ 122.395658] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 122.402982] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 122.409955] r9:00000009 r8:c0872328 r7:00000019 r6:00000009 r5:c0872328 r4:c1a20ffc [ 122.417710] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 122.425199] r7:00000019 r6:c1a20ffc r5:c1a2100c r4:c6be6000 [ 122.430870] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) [ 122.439925] r9:c1acd068 r8:c15e8704 r7:c6be7f60 r6:00000012 r5:00000000 r4:c6be6000 [ 122.447681] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) [ 122.457347] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_ZERO+0xa8/0xcc) [ 122.467096] [] (lkdtm_REFCOUNT_ADD_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) [ 122.475885] r5:c69a4000 r4:00000034 [ 122.479470] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 122.487488] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 122.495414] r9:c6be7f60 r8:c5357900 r7:00000012 r6:b6e53000 r5:c448c500 r4:c0c33420 [ 122.503174] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 122.511012] r9:c07e05ec r8:c6be7f60 r7:c2816000 r6:b6e53000 r5:c448c500 r4:00000000 [ 122.518764] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 122.525907] r10:00000004 r9:00000000 r8:00000000 r7:b6e53000 r6:c6be6000 r5:c448c500 [ 122.533740] r4:c448c500 [ 122.536284] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 122.543428] r9:c6be6000 r8:c03002e4 r7:00000004 r6:b6f9ae00 r5:00000012 r4:00000012 [ 122.551182] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 122.558756] Exception stack(0xc6be7fa8 to 0xc6be7ff0) [ 122.563816] 7fa0: 00000012 00000012 00000001 b6e53000 00000012 00000000 [ 122.572002] 7fc0: 00000012 00000012 b6f9ae00 00000004 00000001 00000000 00020000 bec5aa64 [ 122.580185] 7fe0: 00000004 bec5a798 b6f054cf b6e8b7e6 [ 122.585307] irq event stamp: 0 [ 122.588406] hardirqs last enabled at (0): [<00000000>] 0x0 [ 122.593997] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 [ 122.601560] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 [ 122.609124] softirqs last disabled at (0): [<00000000>] 0x0 [ 122.614716] ---[ end trace 602be0240ace625e ]--- [ 122.619379] lkdtm: Zero detected: saturated # [ 122.266002] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 122.272548] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 122.281718] lkdtm: Good: zero detected # [ 122.288350] lkdtm: Correctly stayed at zero # [ 122.295342] lkdtm: attempting bad refcount_add() from zero # [ 122.302703] ------------[ cut here ]------------ # [ 122.310224] WARNING: CPU: 1 PID: 3006 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 # [ 122.321580] refcount_t: addition on 0; use-after-free. # [ 122.329583] 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 imx_ldb flexcan can_dev dw_hdmi_imx etnaviv dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 # [ 122.361290] CPU: 1 PID: 3006 Comm: cat Tainted: G D W 5.10.162-cip23 #1 # [ 122.371848] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 122.379935] Backtrace: # [ 122.382408] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 122.389987] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f6f8 # [ 122.395658] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 122.402982] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 122.409955] r9:00000009 r8:c0872328 r7:00000019 r6:00000009 r5:c0872328 r4:c1a20ffc # [ 122.417710] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 122.425199] r7:00000019 r6:c1a20ffc r5:c1a2100c r4:c6be6000 # [ 122.430870] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) # [ 122.439925] r9:c1acd068 r8:c15e8704 r7:c6be7f60 r6:00000012 r5:00000000 r4:c6be6000 # [ 122.447681] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) # [ 122.457347] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_ZERO+0xa8/0xcc) # [ 122.467096] [] (lkdtm_REFCOUNT_ADD_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 122.475885] r5:c69a4000 r4:00000034 # [ 122.479470] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 122.487488] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 122.495414] r9:c6be7f60 r8:c5357900 r7:00000012 r6:b6e53000 r5:c448c500 r4:c0c33420 # [ 122.503174] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 122.511012] r9:c07e05ec r8:c6be7f60 r7:c2816000 r6:b6e53000 r5:c448c500 r4:00000000 # [ 122.518764] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 122.525907] r10:00000004 r9:00000000 r8:00000000 r7:b6e53000 r6:c6be6000 r5:c448c500 # [ 122.533740] r4:c448c500 # [ 122.536284] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 122.543428] r9:c6be6000 r8:c03002e4 r7:00000004 r6:b6f9ae00 r5:00000012 r4:00000012 # [ 122.551182] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 122.558756] Exception stack(0xc6be7fa8 to 0xc6be7ff0) # [ 122.563816] 7fa0: 00000012 00000012 00000001 b6e53000 00000012 00000000 # [ 122.572002] 7fc0: 00000012 00000012 b6f9ae00 00000004 00000001 00000000 00020000 bec5aa64 # [ 122.580185] 7fe0: 00000004 bec5a798 b6f054cf b6e8b7e6 # [ 122.585307] irq event stamp: 0 # [ 122.588406] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 122.593997] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 # [ 122.601560] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 # [ 122.609124] softirqs last disabled at (0): [<00000000>] 0x0 # [ 122.614716] ---[ end trace 602be0240ace625e ]--- # [ 122.619379] 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 [ 123.076877] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED [ 123.082994] lkdtm: attempting bad refcount_inc() from saturated [ 123.089113] ------------[ cut here ]------------ [ 123.093784] WARNING: CPU: 0 PID: 3043 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 [ 123.102263] refcount_t: saturated; leaking memory. [ 123.107108] 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 imx_ldb flexcan can_dev dw_hdmi_imx etnaviv dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 [ 123.136365] CPU: 0 PID: 3043 Comm: cat Tainted: G D W 5.10.162-cip23 #1 [ 123.144126] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 123.150656] Backtrace: [ 123.153129] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 123.160708] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f6f8 [ 123.166380] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 123.173702] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 123.180676] r9:00000009 r8:c08722f4 r7:00000016 r6:00000009 r5:c08722f4 r4:c1a20ffc [ 123.188430] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 123.195919] r7:00000016 r6:c1a20ffc r5:c1a20fd4 r4:c5c1a000 [ 123.201591] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) [ 123.210557] r9:c1acd07c r8:c15e8704 r7:c5c1bf60 r6:00000017 r5:c5e56000 r4:c5c1a000 [ 123.218314] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) [ 123.227979] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_SATURATED+0x4c/0x70) [ 123.238162] [] (lkdtm_REFCOUNT_INC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) [ 123.247385] r4:00000035 [ 123.249928] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 123.257947] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 123.265873] r9:c5c1bf60 r8:c5357900 r7:00000017 r6:b6e70000 r5:c2fd0dc0 r4:c0c33420 [ 123.273631] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 123.281469] r9:c07e05ec r8:c5c1bf60 r7:c2816000 r6:b6e70000 r5:c2fd0dc0 r4:00000000 [ 123.289222] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 123.296367] r10:00000004 r9:00000000 r8:00000000 r7:b6e70000 r6:c5c1a000 r5:c2fd0dc0 [ 123.304200] r4:c2fd0dc0 [ 123.306743] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 123.313886] r9:c5c1a000 r8:c03002e4 r7:00000004 r6:b6fb7e00 r5:00000017 r4:00000017 [ 123.321640] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 123.329214] Exception stack(0xc5c1bfa8 to 0xc5c1bff0) [ 123.334275] bfa0: 00000017 00000017 00000001 b6e70000 00000017 00000000 [ 123.342461] bfc0: 00000017 00000017 b6fb7e00 00000004 00000001 00000000 00020000 befbea64 [ 123.350645] bfe0: 00000004 befbe798 b6f224cf b6ea87e6 [ 123.355743] irq event stamp: 0 [ 123.358839] hardirqs last enabled at (0): [<00000000>] 0x0 [ 123.364428] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 [ 123.371963] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 [ 123.379501] softirqs last disabled at (0): [<00000000>] 0x0 [ 123.385087] ---[ end trace 602be0240ace625f ]--- [ 123.389740] lkdtm: Saturation detected: still saturated # [ 123.076877] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 123.082994] lkdtm: attempting bad refcount_inc() from saturated # [ 123.089113] ------------[ cut here ]------------ # [ 123.093784] WARNING: CPU: 0 PID: 3043 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 123.102263] refcount_t: saturated; leaking memory. # [ 123.107108] 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 imx_ldb flexcan can_dev dw_hdmi_imx etnaviv dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 # [ 123.136365] CPU: 0 PID: 3043 Comm: cat Tainted: G D W 5.10.162-cip23 #1 # [ 123.144126] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 123.150656] Backtrace: # [ 123.153129] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 123.160708] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f6f8 # [ 123.166380] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 123.173702] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 123.180676] r9:00000009 r8:c08722f4 r7:00000016 r6:00000009 r5:c08722f4 r4:c1a20ffc # [ 123.188430] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 123.195919] r7:00000016 r6:c1a20ffc r5:c1a20fd4 r4:c5c1a000 # [ 123.201591] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 123.210557] r9:c1acd07c r8:c15e8704 r7:c5c1bf60 r6:00000017 r5:c5e56000 r4:c5c1a000 # [ 123.218314] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 123.227979] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_SATURATED+0x4c/0x70) # [ 123.238162] [] (lkdtm_REFCOUNT_INC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 123.247385] r4:00000035 # [ 123.249928] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 123.257947] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 123.265873] r9:c5c1bf60 r8:c5357900 r7:00000017 r6:b6e70000 r5:c2fd0dc0 r4:c0c33420 # [ 123.273631] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 123.281469] r9:c07e05ec r8:c5c1bf60 r7:c2816000 r6:b6e70000 r5:c2fd0dc0 r4:00000000 # [ 123.289222] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 123.296367] r10:00000004 r9:00000000 r8:00000000 r7:b6e70000 r6:c5c1a000 r5:c2fd0dc0 # [ 123.304200] r4:c2fd0dc0 # [ 123.306743] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 123.313886] r9:c5c1a000 r8:c03002e4 r7:00000004 r6:b6fb7e00 r5:00000017 r4:00000017 # [ 123.321640] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 123.329214] Exception stack(0xc5c1bfa8 to 0xc5c1bff0) # [ 123.334275] bfa0: 00000017 00000017 00000001 b6e70000 00000017 00000000 # [ 123.342461] bfc0: 00000017 00000017 b6fb7e00 00000004 00000001 00000000 00020000 befbea64 # [ 123.350645] bfe0: 00000004 befbe798 b6f224cf b6ea87e6 # [ 123.355743] irq event stamp: 0 # [ 123.358839] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 123.364428] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 # [ 123.371963] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 # [ 123.379501] softirqs last disabled at (0): [<00000000>] 0x0 # [ 123.385087] ---[ end trace 602be0240ace625f ]--- # [ 123.389740] 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 [ 123.853682] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED [ 123.859887] lkdtm: attempting bad refcount_dec() from saturated [ 123.865821] ------------[ cut here ]------------ [ 123.870630] WARNING: CPU: 0 PID: 3078 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 [ 123.879131] refcount_t: decrement hit 0; leaking memory. [ 123.884453] 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 imx_ldb flexcan can_dev dw_hdmi_imx etnaviv dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 [ 123.913677] CPU: 0 PID: 3078 Comm: cat Tainted: G D W 5.10.162-cip23 #1 [ 123.921436] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 123.927969] Backtrace: [ 123.930443] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 123.938020] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f6f8 [ 123.943693] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 123.951015] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 123.957989] r9:00000009 r8:c087228c r7:0000001f r6:00000009 r5:c087228c r4:c1a20ffc [ 123.965744] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 123.973235] r7:0000001f r6:c1a20ffc r5:c1a21060 r4:c5c1a000 [ 123.978906] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) [ 123.987872] r9:c1acd094 r8:c15e8704 r7:c5c1bf60 r6:00000017 r5:c5e56000 r4:c5c1a000 [ 123.995627] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) [ 124.005291] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_SATURATED+0x48/0x6c) [ 124.015477] [] (lkdtm_REFCOUNT_DEC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) [ 124.024702] r4:00000036 [ 124.027246] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 124.035263] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 124.043188] r9:c5c1bf60 r8:c5357900 r7:00000017 r6:b6ead000 r5:c5b1b680 r4:c0c33420 [ 124.050946] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 124.058785] r9:c07e05ec r8:c5c1bf60 r7:c2816000 r6:b6ead000 r5:c5b1b680 r4:00000000 [ 124.066536] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 124.073679] r10:00000004 r9:00000000 r8:00000000 r7:b6ead000 r6:c5c1a000 r5:c5b1b680 [ 124.081511] r4:c5b1b680 [ 124.084057] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 124.091202] r9:c5c1a000 r8:c03002e4 r7:00000004 r6:b6ff4e00 r5:00000017 r4:00000017 [ 124.098956] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 124.106530] Exception stack(0xc5c1bfa8 to 0xc5c1bff0) [ 124.111593] bfa0: 00000017 00000017 00000001 b6ead000 00000017 00000000 [ 124.119779] bfc0: 00000017 00000017 b6ff4e00 00000004 00000001 00000000 00020000 bead1a64 [ 124.127962] bfe0: 00000004 bead1798 b6f5f4cf b6ee57e6 [ 124.133062] irq event stamp: 0 [ 124.136134] hardirqs last enabled at (0): [<00000000>] 0x0 [ 124.141752] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 [ 124.149289] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 [ 124.156827] softirqs last disabled at (0): [<00000000>] 0x0 [ 124.162414] ---[ end trace 602be0240ace6260 ]--- [ 124.167069] lkdtm: Saturation detected: still saturated # [ 123.853682] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 123.859887] lkdtm: attempting bad refcount_dec() from saturated # [ 123.865821] ------------[ cut here ]------------ # [ 123.870630] WARNING: CPU: 0 PID: 3078 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 # [ 123.879131] refcount_t: decrement hit 0; leaking memory. # [ 123.884453] 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 imx_ldb flexcan can_dev dw_hdmi_imx etnaviv dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 # [ 123.913677] CPU: 0 PID: 3078 Comm: cat Tainted: G D W 5.10.162-cip23 #1 # [ 123.921436] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 123.927969] Backtrace: # [ 123.930443] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 123.938020] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f6f8 # [ 123.943693] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 123.951015] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 123.957989] r9:00000009 r8:c087228c r7:0000001f r6:00000009 r5:c087228c r4:c1a20ffc # [ 123.965744] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 123.973235] r7:0000001f r6:c1a20ffc r5:c1a21060 r4:c5c1a000 # [ 123.978906] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) # [ 123.987872] r9:c1acd094 r8:c15e8704 r7:c5c1bf60 r6:00000017 r5:c5e56000 r4:c5c1a000 # [ 123.995627] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) # [ 124.005291] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_SATURATED+0x48/0x6c) # [ 124.015477] [] (lkdtm_REFCOUNT_DEC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 124.024702] r4:00000036 # [ 124.027246] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 124.035263] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 124.043188] r9:c5c1bf60 r8:c5357900 r7:00000017 r6:b6ead000 r5:c5b1b680 r4:c0c33420 # [ 124.050946] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 124.058785] r9:c07e05ec r8:c5c1bf60 r7:c2816000 r6:b6ead000 r5:c5b1b680 r4:00000000 # [ 124.066536] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 124.073679] r10:00000004 r9:00000000 r8:00000000 r7:b6ead000 r6:c5c1a000 r5:c5b1b680 # [ 124.081511] r4:c5b1b680 # [ 124.084057] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 124.091202] r9:c5c1a000 r8:c03002e4 r7:00000004 r6:b6ff4e00 r5:00000017 r4:00000017 # [ 124.098956] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 124.106530] Exception stack(0xc5c1bfa8 to 0xc5c1bff0) # [ 124.111593] bfa0: 00000017 00000017 00000001 b6ead000 00000017 00000000 # [ 124.119779] bfc0: 00000017 00000017 b6ff4e00 00000004 00000001 00000000 00020000 bead1a64 # [ 124.127962] bfe0: 00000004 bead1798 b6f5f4cf b6ee57e6 # [ 124.133062] irq event stamp: 0 # [ 124.136134] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 124.141752] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 # [ 124.149289] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 # [ 124.156827] softirqs last disabled at (0): [<00000000>] 0x0 # [ 124.162414] ---[ end trace 602be0240ace6260 ]--- # [ 124.167069] 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 [ 124.652189] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED [ 124.658429] lkdtm: attempting bad refcount_dec() from saturated [ 124.664390] ------------[ cut here ]------------ [ 124.669104] WARNING: CPU: 3 PID: 3113 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 [ 124.677683] refcount_t: saturated; leaking memory. [ 124.682512] 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 imx_ldb flexcan can_dev dw_hdmi_imx etnaviv dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 [ 124.711659] CPU: 3 PID: 3113 Comm: cat Tainted: G D W 5.10.162-cip23 #1 [ 124.719410] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 124.725942] Backtrace: [ 124.728415] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 124.735993] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f6f8 [ 124.741664] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 124.748986] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 124.755958] r9:00000009 r8:c08722f4 r7:00000016 r6:00000009 r5:c08722f4 r4:c1a20ffc [ 124.763714] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 124.771204] r7:00000016 r6:c1a20ffc r5:c1a20fd4 r4:c69d2000 [ 124.776876] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) [ 124.785841] r9:c1acd0ac r8:c15e8704 r7:c69d3f60 r6:00000017 r5:c6b16000 r4:c69d2000 [ 124.793599] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) [ 124.803266] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_SATURATED+0x4c/0x70) [ 124.813449] [] (lkdtm_REFCOUNT_ADD_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) [ 124.822673] r4:00000037 [ 124.825216] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 124.833232] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 124.841157] r9:c69d3f60 r8:c5357900 r7:00000017 r6:b6dbf000 r5:c5810c80 r4:c0c33420 [ 124.848915] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 124.856752] r9:c07e05ec r8:c69d3f60 r7:c2816000 r6:b6dbf000 r5:c5810c80 r4:00000000 [ 124.864505] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 124.871650] r10:00000004 r9:00000000 r8:00000000 r7:b6dbf000 r6:c69d2000 r5:c5810c80 [ 124.879485] r4:c5810c80 [ 124.882029] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 124.889173] r9:c69d2000 r8:c03002e4 r7:00000004 r6:b6f06e00 r5:00000017 r4:00000017 [ 124.896928] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 124.904502] Exception stack(0xc69d3fa8 to 0xc69d3ff0) [ 124.909562] 3fa0: 00000017 00000017 00000001 b6dbf000 00000017 00000000 [ 124.917750] 3fc0: 00000017 00000017 b6f06e00 00000004 00000001 00000000 00020000 bed23a64 [ 124.925934] 3fe0: 00000004 bed23798 b6e714cf b6df77e6 [ 124.931047] irq event stamp: 0 [ 124.934118] hardirqs last enabled at (0): [<00000000>] 0x0 [ 124.939733] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 [ 124.947266] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 [ 124.954797] softirqs last disabled at (0): [<00000000>] 0x0 [ 124.960431] ---[ end trace 602be0240ace6261 ]--- [ 124.965064] lkdtm: Saturation detected: still saturated # [ 0.000000] CPU: ARMv7 Processor [412fc09a] revision 10 (ARMv7), cr=10c5387d # [ 0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache # [ 124.652189] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 124.658429] lkdtm: attempting bad refcount_dec() from saturated # [ 124.664390] ------------[ cut here ]------------ # [ 124.669104] WARNING: CPU: 3 PID: 3113 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 124.677683] refcount_t: saturated; leaking memory. # [ 124.682512] 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 imx_ldb flexcan can_dev dw_hdmi_imx etnaviv dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 # [ 124.711659] CPU: 3 PID: 3113 Comm: cat Tainted: G D W 5.10.162-cip23 #1 # [ 124.719410] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 124.725942] Backtrace: # [ 124.728415] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 124.735993] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f6f8 # [ 124.741664] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 124.748986] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 124.755958] r9:00000009 r8:c08722f4 r7:00000016 r6:00000009 r5:c08722f4 r4:c1a20ffc # [ 124.763714] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 124.771204] r7:00000016 r6:c1a20ffc r5:c1a20fd4 r4:c69d2000 # [ 124.776876] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 124.785841] r9:c1acd0ac r8:c15e8704 r7:c69d3f60 r6:00000017 r5:c6b16000 r4:c69d2000 # [ 124.793599] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 124.803266] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_SATURATED+0x4c/0x70) # [ 124.813449] [] (lkdtm_REFCOUNT_ADD_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 124.822673] r4:00000037 # [ 124.825216] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 124.833232] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 124.841157] r9:c69d3f60 r8:c5357900 r7:00000017 r6:b6dbf000 r5:c5810c80 r4:c0c33420 # [ 124.848915] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 124.856752] r9:c07e05ec r8:c69d3f60 r7:c2816000 r6:b6dbf000 r5:c5810c80 r4:00000000 # [ 124.864505] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 124.871650] r10:00000004 r9:00000000 r8:00000000 r7:b6dbf000 r6:c69d2000 r5:c5810c80 # [ 124.879485] r4:c5810c80 # [ 124.882029] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 124.889173] r9:c69d2000 r8:c03002e4 r7:00000004 r6:b6f06e00 r5:00000017 r4:00000017 # [ 124.896928] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 124.904502] Exception stack(0xc69d3fa8 to 0xc69d3ff0) # [ 124.909562] 3fa0: 00000017 00000017 00000001 b6dbf000 00000017 00000000 # [ 124.917750] 3fc0: 00000017 00000017 b6f06e00 00000004 00000001 00000000 00020000 bed23a64 # [ 124.925934] 3fe0: 00000004 bed23798 b6e714cf b6df77e6 # [ 124.931047] irq event stamp: 0 # [ 124.934118] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 124.939733] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 # [ 124.947266] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 # [ 124.954797] softirqs last disabled at (0): [<00000000>] 0x0 # [ 124.960431] ---[ end trace 602be0240ace6261 ]--- # [ 124.965064] lkdtm: Saturation detected: still saturated # REFCOUNT_ADD_SATURATED: saw 'Saturation detected: still saturated': ok ok[ 125.420465] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED 54 selftests: lkdtm: REFCOUNT_AD[ 125.427823] lkdtm: attempting bad refcount_inc_not_zero() from saturated D_SATURATED.sh # selftests: lkdt[ 125.437490] ------------[ cut here ]------------ m: REFCOUNT_INC_NOT_ZERO_SATURATE[ 125.444942] WARNING: CPU: 0 PID: 3145 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 D.sh [ 125.456238] refcount_t: saturated; leaking memory. [ 125.461558] 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 imx_ldb flexcan can_dev dw_hdmi_imx etnaviv dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 [ 125.490737] CPU: 0 PID: 3145 Comm: cat Tainted: G D W 5.10.162-cip23 #1 [ 125.498486] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 125.505020] Backtrace: [ 125.507494] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 125.515071] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f6f8 [ 125.520742] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 125.528065] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 125.535036] r9:00000009 r8:c08722c0 r7:00000013 r6:00000009 r5:c08722c0 r4:c1a20ffc [ 125.542791] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 125.550281] r7:00000013 r6:c1a20ffc r5:c1a20fd4 r4:c6b40000 [ 125.555951] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) [ 125.564918] r9:c1acd0c4 r8:c15e8704 r7:c6b41f60 r6:00000020 r5:c5ab8000 r4:c0000000 [ 125.572673] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) [ 125.583122] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x50/0x88) [ 125.594863] r5:c5ab8000 r4:c6b40000 [ 125.598452] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) [ 125.608456] r4:00000038 [ 125.611001] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 125.619020] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 125.626947] r9:c6b41f60 r8:c5357900 r7:00000020 r6:b6ddc000 r5:c59fc640 r4:c0c33420 [ 125.634704] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 125.642542] r9:c07e05ec r8:c6b41f60 r7:c2816000 r6:b6ddc000 r5:c59fc640 r4:00000000 [ 125.650295] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 125.657440] r10:00000004 r9:00000000 r8:00000000 r7:b6ddc000 r6:c6b40000 r5:c59fc640 [ 125.665273] r4:c59fc640 [ 125.667818] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 125.674962] r9:c6b40000 r8:c03002e4 r7:00000004 r6:b6f23e00 r5:00000020 r4:00000020 [ 125.682716] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 125.690291] Exception stack(0xc6b41fa8 to 0xc6b41ff0) [ 125.695352] 1fa0: 00000020 00000020 00000001 b6ddc000 00000020 00000000 [ 125.703539] 1fc0: 00000020 00000020 b6f23e00 00000004 00000001 00000000 00020000 be90da64 [ 125.711722] 1fe0: 00000004 be90d798 b6e8e4cf b6e147e6 [ 125.716841] irq event stamp: 0 [ 125.719913] hardirqs last enabled at (0): [<00000000>] 0x0 [ 125.725500] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 [ 125.733603] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 [ 125.741157] softirqs last disabled at (0): [<00000000>] 0x0 [ 125.746763] ---[ end trace 602be0240ace6262 ]--- [ 125.751393] lkdtm: Saturation detected: still saturated # [ 125.420465] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 125.427823] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 125.437490] ------------[ cut here ]------------ # [ 125.444942] WARNING: CPU: 0 PID: 3145 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 125.456238] refcount_t: saturated; leaking memory. # [ 125.461558] 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 imx_ldb flexcan can_dev dw_hdmi_imx etnaviv dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 # [ 125.490737] CPU: 0 PID: 3145 Comm: cat Tainted: G D W 5.10.162-cip23 #1 # [ 125.498486] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 125.505020] Backtrace: # [ 125.507494] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 125.515071] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f6f8 # [ 125.520742] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 125.528065] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 125.535036] r9:00000009 r8:c08722c0 r7:00000013 r6:00000009 r5:c08722c0 r4:c1a20ffc # [ 125.542791] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 125.550281] r7:00000013 r6:c1a20ffc r5:c1a20fd4 r4:c6b40000 # [ 125.555951] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 125.564918] r9:c1acd0c4 r8:c15e8704 r7:c6b41f60 r6:00000020 r5:c5ab8000 r4:c0000000 # [ 125.572673] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 125.583122] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x50/0x88) # [ 125.594863] r5:c5ab8000 r4:c6b40000 # [ 125.598452] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 125.608456] r4:00000038 # [ 125.611001] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 125.619020] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 125.626947] r9:c6b41f60 r8:c5357900 r7:00000020 r6:b6ddc000 r5:c59fc640 r4:c0c33420 # [ 125.634704] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 125.642542] r9:c07e05ec r8:c6b41f60 r7:c2816000 r6:b6ddc000 r5:c59fc640 r4:00000000 # [ 125.650295] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 125.657440] r10:00000004 r9:00000000 r8:00000000 r7:b6ddc000 r6:c6b40000 r5:c59fc640 # [ 125.665273] r4:c59fc640 # [ 125.667818] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 125.674962] r9:c6b40000 r8:c03002e4 r7:00000004 r6:b6f23e00 r5:00000020 r4:00000020 # [ 125.682716] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 125.690291] Exception stack(0xc6b41fa8 to 0xc6b41ff0) # [ 125.695352] 1fa0: 00000020 00000020 00000001 b6ddc000 00000020 00000000 # [ 125.703539] 1fc0: 00000020 00000020 b6f23e00 00000004 00000001 00000000 00020000 be90da64 # [ 125.711722] 1fe0: 00000004 be90d798 b6e8e4cf b6e147e6 # [ 125.716841] irq event stamp: 0 # [ 125.719913] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 125.725500] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 # [ 125.733603] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 # [ 125.741157] softirqs last disabled at (0): [<00000000>] 0x0 # [ 125.746763] ---[ end trace 602be0240ace6262 ]--- # [ 125.751393] 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 [ 126.215965] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED [ 126.222934] lkdtm: attempting bad refcount_add_not_zero() from saturated [ 126.229694] ------------[ cut here ]------------ [ 126.234338] WARNING: CPU: 0 PID: 3179 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 [ 126.242823] refcount_t: saturated; leaking memory. [ 126.247651] 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 imx_ldb flexcan can_dev dw_hdmi_imx etnaviv dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 [ 126.276892] CPU: 0 PID: 3179 Comm: cat Tainted: G D W 5.10.162-cip23 #1 [ 126.284642] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 126.291175] Backtrace: [ 126.293648] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 126.301228] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f6f8 [ 126.306898] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 126.314221] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 126.321192] r9:00000009 r8:c08722c0 r7:00000013 r6:00000009 r5:c08722c0 r4:c1a20ffc [ 126.328947] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 126.336436] r7:00000013 r6:c1a20ffc r5:c1a20fd4 r4:c6b40000 [ 126.342108] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) [ 126.351076] r9:c1acd0e4 r8:c15e8704 r7:c6b41f60 r6:00000020 r5:c5e00000 r4:c0000000 [ 126.358833] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) [ 126.369280] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x50/0x88) [ 126.381020] r5:c5e00000 r4:c6b40000 [ 126.384609] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) [ 126.394613] r4:00000039 [ 126.397157] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 126.405174] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 126.413100] r9:c6b41f60 r8:c5357900 r7:00000020 r6:b6dfc000 r5:c5b35900 r4:c0c33420 [ 126.420858] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 126.428697] r9:c07e05ec r8:c6b41f60 r7:c2816000 r6:b6dfc000 r5:c5b35900 r4:00000000 [ 126.436449] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 126.443594] r10:00000004 r9:00000000 r8:00000000 r7:b6dfc000 r6:c6b40000 r5:c5b35900 [ 126.451427] r4:c5b35900 [ 126.453972] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 126.461117] r9:c6b40000 r8:c03002e4 r7:00000004 r6:b6f43e00 r5:00000020 r4:00000020 [ 126.468871] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 126.476446] Exception stack(0xc6b41fa8 to 0xc6b41ff0) [ 126.481508] 1fa0: 00000020 00000020 00000001 b6dfc000 00000020 00000000 [ 126.489694] 1fc0: 00000020 00000020 b6f43e00 00000004 00000001 00000000 00020000 bed6fa64 [ 126.497879] 1fe0: 00000004 bed6f798 b6eae4cf b6e347e6 [ 126.502972] irq event stamp: 0 [ 126.506045] hardirqs last enabled at (0): [<00000000>] 0x0 [ 126.511659] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 [ 126.519193] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 [ 126.526726] softirqs last disabled at (0): [<00000000>] 0x0 [ 126.532316] ---[ end trace 602be0240ace6263 ]--- [ 126.536968] lkdtm: Saturation detected: still saturated # [ 126.215965] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 126.222934] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 126.229694] ------------[ cut here ]------------ # [ 126.234338] WARNING: CPU: 0 PID: 3179 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 126.242823] refcount_t: saturated; leaking memory. # [ 126.247651] 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 imx_ldb flexcan can_dev dw_hdmi_imx etnaviv dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 # [ 126.276892] CPU: 0 PID: 3179 Comm: cat Tainted: G D W 5.10.162-cip23 #1 # [ 126.284642] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 126.291175] Backtrace: # [ 126.293648] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 126.301228] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f6f8 # [ 126.306898] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 126.314221] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 126.321192] r9:00000009 r8:c08722c0 r7:00000013 r6:00000009 r5:c08722c0 r4:c1a20ffc # [ 126.328947] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 126.336436] r7:00000013 r6:c1a20ffc r5:c1a20fd4 r4:c6b40000 # [ 126.342108] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 126.351076] r9:c1acd0e4 r8:c15e8704 r7:c6b41f60 r6:00000020 r5:c5e00000 r4:c0000000 # [ 126.358833] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 126.369280] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x50/0x88) # [ 126.381020] r5:c5e00000 r4:c6b40000 # [ 126.384609] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 126.394613] r4:00000039 # [ 126.397157] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 126.405174] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 126.413100] r9:c6b41f60 r8:c5357900 r7:00000020 r6:b6dfc000 r5:c5b35900 r4:c0c33420 # [ 126.420858] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 126.428697] r9:c07e05ec r8:c6b41f60 r7:c2816000 r6:b6dfc000 r5:c5b35900 r4:00000000 # [ 126.436449] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 126.443594] r10:00000004 r9:00000000 r8:00000000 r7:b6dfc000 r6:c6b40000 r5:c5b35900 # [ 126.451427] r4:c5b35900 # [ 126.453972] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 126.461117] r9:c6b40000 r8:c03002e4 r7:00000004 r6:b6f43e00 r5:00000020 r4:00000020 # [ 126.468871] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 126.476446] Exception stack(0xc6b41fa8 to 0xc6b41ff0) # [ 126.481508] 1fa0: 00000020 00000020 00000001 b6dfc000 00000020 00000000 # [ 126.489694] 1fc0: 00000020 00000020 b6f43e00 00000004 00000001 00000000 00020000 bed6fa64 # [ 126.497879] 1fe0: 00000004 bed6f798 b6eae4cf b6e347e6 # [ 126.502972] irq event stamp: 0 # [ 126.506045] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 126.511659] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 # [ 126.519193] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 # [ 126.526726] softirqs last disabled at (0): [<00000000>] 0x0 # [ 126.532316] ---[ end trace 602be0240ace6263 ]--- # [ 126.536968] 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 [ 127.015568] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED [ 127.022613] lkdtm: attempting bad refcount_dec_and_test() from saturated [ 127.029404] ------------[ cut here ]------------ [ 127.035648] WARNING: CPU: 0 PID: 3216 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 [ 127.045147] refcount_t: underflow; use-after-free. [ 127.049975] 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 imx_ldb flexcan can_dev dw_hdmi_imx etnaviv dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 [ 127.079123] CPU: 0 PID: 3216 Comm: cat Tainted: G D W 5.10.162-cip23 #1 [ 127.086873] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 127.093406] Backtrace: [ 127.095881] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 127.103459] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f6f8 [ 127.109131] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 127.116454] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 127.123425] r9:00000009 r8:c087235c r7:0000001c r6:00000009 r5:c087235c r4:c1a20ffc [ 127.131181] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 127.138670] r7:0000001c r6:c1a20ffc r5:c1a21038 r4:c595a000 [ 127.144341] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) [ 127.153394] r9:c1acd104 r8:c15e8704 r7:c595bf60 r6:00000020 r5:c5e00000 r4:c595a000 [ 127.161151] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) [ 127.171600] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x50/0x88) [ 127.183348] [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) [ 127.193353] r4:0000003a [ 127.195898] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 127.203916] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 127.211842] r9:c595bf60 r8:c5357900 r7:00000020 r6:b6dff000 r5:c59ae8c0 r4:c0c33420 [ 127.219600] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 127.227439] r9:c07e05ec r8:c595bf60 r7:c2816000 r6:b6dff000 r5:c59ae8c0 r4:00000000 [ 127.235192] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 127.242336] r10:00000004 r9:00000000 r8:00000000 r7:b6dff000 r6:c595a000 r5:c59ae8c0 [ 127.250170] r4:c59ae8c0 [ 127.252715] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 127.259859] r9:c595a000 r8:c03002e4 r7:00000004 r6:b6f46e00 r5:00000020 r4:00000020 [ 127.267615] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 127.275190] Exception stack(0xc595bfa8 to 0xc595bff0) [ 127.280251] bfa0: 00000020 00000020 00000001 b6dff000 00000020 00000000 [ 127.288437] bfc0: 00000020 00000020 b6f46e00 00000004 00000001 00000000 00020000 bee82a64 [ 127.296621] bfe0: 00000004 bee82798 b6eb14cf b6e377e6 [ 127.301703] irq event stamp: 0 [ 127.304773] hardirqs last enabled at (0): [<00000000>] 0x0 [ 127.310385] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 [ 127.317901] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 [ 127.325396] softirqs last disabled at (0): [<00000000>] 0x0 [ 127.330999] ---[ end trace 602be0240ace6264 ]--- [ 127.335626] lkdtm: Saturation detected: still saturated # [ 127.015568] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 127.022613] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 127.029404] ------------[ cut here ]------------ # [ 127.035648] WARNING: CPU: 0 PID: 3216 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 127.045147] refcount_t: underflow; use-after-free. # [ 127.049975] 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 imx_ldb flexcan can_dev dw_hdmi_imx etnaviv dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 # [ 127.079123] CPU: 0 PID: 3216 Comm: cat Tainted: G D W 5.10.162-cip23 #1 # [ 127.086873] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 127.093406] Backtrace: # [ 127.095881] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 127.103459] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f6f8 # [ 127.109131] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 127.116454] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 127.123425] r9:00000009 r8:c087235c r7:0000001c r6:00000009 r5:c087235c r4:c1a20ffc # [ 127.131181] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 127.138670] r7:0000001c r6:c1a20ffc r5:c1a21038 r4:c595a000 # [ 127.144341] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 127.153394] r9:c1acd104 r8:c15e8704 r7:c595bf60 r6:00000020 r5:c5e00000 r4:c595a000 # [ 127.161151] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 127.171600] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x50/0x88) # [ 127.183348] [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 127.193353] r4:0000003a # [ 127.195898] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 127.203916] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 127.211842] r9:c595bf60 r8:c5357900 r7:00000020 r6:b6dff000 r5:c59ae8c0 r4:c0c33420 # [ 127.219600] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 127.227439] r9:c07e05ec r8:c595bf60 r7:c2816000 r6:b6dff000 r5:c59ae8c0 r4:00000000 # [ 127.235192] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 127.242336] r10:00000004 r9:00000000 r8:00000000 r7:b6dff000 r6:c595a000 r5:c59ae8c0 # [ 127.250170] r4:c59ae8c0 # [ 127.252715] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 127.259859] r9:c595a000 r8:c03002e4 r7:00000004 r6:b6f46e00 r5:00000020 r4:00000020 # [ 127.267615] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 127.275190] Exception stack(0xc595bfa8 to 0xc595bff0) # [ 127.280251] bfa0: 00000020 00000020 00000001 b6dff000 00000020 00000000 # [ 127.288437] bfc0: 00000020 00000020 b6f46e00 00000004 00000001 00000000 00020000 bee82a64 # [ 127.296621] bfe0: 00000004 bee82798 b6eb14cf b6e377e6 # [ 127.301703] irq event stamp: 0 # [ 127.304773] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 127.310385] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 # [ 127.317901] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 # [ 127.325396] softirqs last disabled at (0): [<00000000>] 0x0 # [ 127.330999] ---[ end trace 602be0240ace6264 ]--- # [ 127.335626] 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 # sel[ 127.790332] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED ftests: lkdtm: REFCOUNT_SUB_AND_T[ 127.798246] lkdtm: attempting bad refcount_sub_and_test() from saturated EST_SATURATED.sh [ 127.807684] ------------[ cut here ]------------ [ 127.813802] WARNING: CPU: 3 PID: 3251 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 [ 127.822435] refcount_t: underflow; use-after-free. [ 127.827293] 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 imx_ldb flexcan can_dev dw_hdmi_imx etnaviv dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 [ 127.856446] CPU: 3 PID: 3251 Comm: cat Tainted: G D W 5.10.162-cip23 #1 [ 127.864197] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 127.870728] Backtrace: [ 127.873203] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 127.880781] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f6f8 [ 127.886453] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 127.893777] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 127.900747] r9:00000009 r8:c087235c r7:0000001c r6:00000009 r5:c087235c r4:c1a20ffc [ 127.908505] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 127.915996] r7:0000001c r6:c1a20ffc r5:c1a21038 r4:c595a000 [ 127.921670] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) [ 127.930723] r9:c1acd124 r8:c15e8704 r7:c595bf60 r6:00000020 r5:c6b07000 r4:c595a000 [ 127.938481] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) [ 127.948929] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x50/0x88) [ 127.960677] [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) [ 127.970680] r4:0000003b [ 127.973224] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 127.981243] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 127.989168] r9:c595bf60 r8:c5357900 r7:00000020 r6:b6dfd000 r5:c2fd0f00 r4:c0c33420 [ 127.996928] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 128.004766] r9:c07e05ec r8:c595bf60 r7:c2816000 r6:b6dfd000 r5:c2fd0f00 r4:00000000 [ 128.012519] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 128.019663] r10:00000004 r9:00000000 r8:00000000 r7:b6dfd000 r6:c595a000 r5:c2fd0f00 [ 128.027496] r4:c2fd0f00 [ 128.030040] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 128.037184] r9:c595a000 r8:c03002e4 r7:00000004 r6:b6f44e00 r5:00000020 r4:00000020 [ 128.044938] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 128.052512] Exception stack(0xc595bfa8 to 0xc595bff0) [ 128.057572] bfa0: 00000020 00000020 00000001 b6dfd000 00000020 00000000 [ 128.065761] bfc0: 00000020 00000020 b6f44e00 00000004 00000001 00000000 00020000 beb0ca64 [ 128.073945] bfe0: 00000004 beb0c798 b6eaf4cf b6e357e6 [ 128.079059] irq event stamp: 0 [ 128.082133] hardirqs last enabled at (0): [<00000000>] 0x0 [ 128.087750] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 [ 128.095251] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 [ 128.102792] softirqs last disabled at (0): [<00000000>] 0x0 [ 128.108421] ---[ end trace 602be0240ace6265 ]--- [ 128.113055] lkdtm: Saturation detected: still saturated # [ 127.790332] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 127.798246] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 127.807684] ------------[ cut here ]------------ # [ 127.813802] WARNING: CPU: 3 PID: 3251 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 127.822435] refcount_t: underflow; use-after-free. # [ 127.827293] 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 imx_ldb flexcan can_dev dw_hdmi_imx etnaviv dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 # [ 127.856446] CPU: 3 PID: 3251 Comm: cat Tainted: G D W 5.10.162-cip23 #1 # [ 127.864197] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 127.870728] Backtrace: # [ 127.873203] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 127.880781] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f6f8 # [ 127.886453] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 127.893777] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 127.900747] r9:00000009 r8:c087235c r7:0000001c r6:00000009 r5:c087235c r4:c1a20ffc # [ 127.908505] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 127.915996] r7:0000001c r6:c1a20ffc r5:c1a21038 r4:c595a000 # [ 127.921670] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 127.930723] r9:c1acd124 r8:c15e8704 r7:c595bf60 r6:00000020 r5:c6b07000 r4:c595a000 # [ 127.938481] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 127.948929] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x50/0x88) # [ 127.960677] [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 127.970680] r4:0000003b # [ 127.973224] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 127.981243] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 127.989168] r9:c595bf60 r8:c5357900 r7:00000020 r6:b6dfd000 r5:c2fd0f00 r4:c0c33420 # [ 127.996928] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 128.004766] r9:c07e05ec r8:c595bf60 r7:c2816000 r6:b6dfd000 r5:c2fd0f00 r4:00000000 # [ 128.012519] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 128.019663] r10:00000004 r9:00000000 r8:00000000 r7:b6dfd000 r6:c595a000 r5:c2fd0f00 # [ 128.027496] r4:c2fd0f00 # [ 128.030040] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 128.037184] r9:c595a000 r8:c03002e4 r7:00000004 r6:b6f44e00 r5:00000020 r4:00000020 # [ 128.044938] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 128.052512] Exception stack(0xc595bfa8 to 0xc595bff0) # [ 128.057572] bfa0: 00000020 00000020 00000001 b6dfd000 00000020 00000000 # [ 128.065761] bfc0: 00000020 00000020 b6f44e00 00000004 00000001 00000000 00020000 beb0ca64 # [ 128.073945] bfe0: 00000004 beb0c798 b6eaf4cf b6e357e6 # [ 128.079059] irq event stamp: 0 # [ 128.082133] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 128.087750] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1974 # [ 128.095251] softirqs last enabled at (0): [] copy_process+0x5f8/0x1974 # [ 128.102792] softirqs last disabled at (0): [<00000000>] 0x0 # [ 128.108421] ---[ end trace 602be0240ace6265 ]--- # [ 128.113055] 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 [ 128.913400] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO [ 128.919637] lkdtm: attempting good copy_to_user of correct size [ 128.925645] lkdtm: attempting bad copy_to_user of too large size # [ 128.913400] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 128.919637] lkdtm: attempting good copy_to_user of correct size # [ 128.925645] 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 [ 129.327464] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM [ 129.333680] lkdtm: attempting good copy_from_user of correct size [ 129.340039] lkdtm: attempting bad copy_from_user of too large size # [ 129.327464] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 129.333680] lkdtm: attempting good copy_from_user of correct size # [ 129.340039] 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 [ 129.747884] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO [ 129.754378] lkdtm: attempting good copy_to_user inside whitelist [ 129.760538] lkdtm: attempting bad copy_to_user outside whitelist # [ 129.747884] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 129.754378] lkdtm: attempting good copy_to_user inside whitelist # [ 129.760538] 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 [ 130.170643] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM [ 130.177365] lkdtm: attempting good copy_from_user inside whitelist [ 130.183570] lkdtm: attempting bad copy_from_user outside whitelist # [ 130.170643] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 130.177365] lkdtm: attempting good copy_from_user inside whitelist # [ 130.183570] 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 [ 130.603405] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO [ 130.609769] lkdtm: good_stack: c478fe0c-c478fe2c [ 130.614428] lkdtm: bad_stack : c478fd84-c478fda4 [ 130.619176] lkdtm: attempting good copy_to_user of local stack [ 130.625066] lkdtm: attempting bad copy_to_user of distant stack # [ 130.603405] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 130.609769] lkdtm: good_stack: c478fe0c-c478fe2c # [ 130.614428] lkdtm: bad_stack : c478fd84-c478fda4 # [ 130.619176] lkdtm: attempting good copy_to_user of local stack # [ 130.625066] 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 [ 131.031395] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM [ 131.037830] lkdtm: good_stack: c6b41e0c-c6b41e2c [ 131.042464] lkdtm: bad_stack : c6b41d84-c6b41da4 [ 131.047296] lkdtm: attempting good copy_from_user of local stack [ 131.053409] lkdtm: attempting bad copy_from_user of distant stack # [ 131.031395] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 131.037830] lkdtm: good_stack: c6b41e0c-c6b41e2c # [ 131.042464] lkdtm: bad_stack : c6b41d84-c6b41da4 # [ 131.047296] lkdtm: attempting good copy_from_user of local stack # [ 131.053409] 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 [ 131.495350] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND [ 131.501457] lkdtm: good_stack: c6be7e0c-c6be7e2c [ 131.506093] lkdtm: bad_stack : c6be7ffc-c6be801c [ 131.510860] lkdtm: attempting good copy_to_user of local stack [ 131.516850] lkdtm: attempting bad copy_to_user of distant stack # [ 131.495350] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 131.501457] lkdtm: good_stack: c6be7e0c-c6be7e2c # [ 131.506093] lkdtm: bad_stack : c6be7ffc-c6be801c # [ 131.510860] lkdtm: attempting good copy_to_user of local stack # [ 131.516850] 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 [ 131.949124] lkdtm: Performing direct entry USERCOPY_KERNEL [ 131.954645] lkdtm: attempting good copy_to_user from kernel rodata: c15e89b0 [ 131.961939] lkdtm: attempting bad copy_to_user from kernel text: c053a588 [ 131.968824] lkdtm: FAIL: survived bad copy_to_user() # [ 131.949124] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 131.954645] lkdtm: attempting good copy_to_user from kernel rodata: c15e89b0 # [ 131.961939] lkdtm: attempting bad copy_to_user from kernel text: c053a588 # [ 131.968824] 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 [ 132.420432] lkdtm: Performing direct entry STACKLEAK_ERASING [ 132.426116] lkdtm: checking unused part of the thread stack (7732 bytes)... [ 132.433213] lkdtm: FAIL: the erased part is not found (checked 7732 bytes) [ 132.440207] lkdtm: FAIL: the thread stack is NOT properly erased [ 132.446256] CPU: 3 PID: 3616 Comm: cat Tainted: G D W 5.10.162-cip23 #1 [ 132.454007] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 132.460540] Backtrace: [ 132.463016] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 132.470594] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f6f8 [ 132.476267] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 132.483588] [] (dump_stack) from [] (lkdtm_STACKLEAK_ERASING+0x148/0x174) [ 132.492122] r9:c1acd22c r8:c15e8704 r7:c4731f60 r6:c4731e34 r5:c4730000 r4:0000078d [ 132.499877] [] (lkdtm_STACKLEAK_ERASING) from [] (lkdtm_do_action+0x2c/0x4c) [ 132.508670] r8:c15e8704 r7:c4731f60 r6:00000012 r5:c6b07000 r4:00000046 [ 132.515381] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 132.523398] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 132.531323] r9:c4731f60 r8:c5357900 r7:00000012 r6:b6e9e000 r5:c5810780 r4:c0c33420 [ 132.539083] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 132.546922] r9:c07e05ec r8:c4731f60 r7:c2816000 r6:b6e9e000 r5:c5810780 r4:00000000 [ 132.554675] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 132.561820] r10:00000004 r9:00000000 r8:00000000 r7:b6e9e000 r6:c4730000 r5:c5810780 [ 132.569652] r4:c5810780 [ 132.572196] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 132.579339] r9:c4730000 r8:c03002e4 r7:00000004 r6:b6fe5e00 r5:00000012 r4:00000012 [ 132.587094] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 132.594669] Exception stack(0xc4731fa8 to 0xc4731ff0) [ 132.599729] 1fa0: 00000012 00000012 00000001 b6e9e000 00000012 00000000 [ 132.607916] 1fc0: 00000012 00000012 b6fe5e00 00000004 00000001 00000000 00020000 be9e0a64 [ 132.616100] 1fe0: 00000004 be9e0798 b6f504cf b6ed67e6 # [ 132.420432] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 132.426116] lkdtm: checking unused part of the thread stack (7732 bytes)... # [ 132.433213] lkdtm: FAIL: the erased part is not found (checked 7732 bytes) # [ 132.440207] lkdtm: FAIL: the thread stack is NOT properly erased # [ 132.446256] CPU: 3 PID: 3616 Comm: cat Tainted: G D W 5.10.162-cip23 #1 # [ 132.454007] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 132.460540] Backtrace: # [ 132.463016] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 132.470594] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f6f8 # [ 132.476267] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 132.483588] [] (dump_stack) from [] (lkdtm_STACKLEAK_ERASING+0x148/0x174) # [ 132.492122] r9:c1acd22c r8:c15e8704 r7:c4731f60 r6:c4731e34 r5:c4730000 r4:0000078d # [ 132.499877] [] (lkdtm_STACKLEAK_ERASING) from [] (lkdtm_do_action+0x2c/0x4c) # [ 132.508670] r8:c15e8704 r7:c4731f60 r6:00000012 r5:c6b07000 r4:00000046 # [ 132.515381] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 132.523398] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 132.531323] r9:c4731f60 r8:c5357900 r7:00000012 r6:b6e9e000 r5:c5810780 r4:c0c33420 # [ 132.539083] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 132.546922] r9:c07e05ec r8:c4731f60 r7:c2816000 r6:b6e9e000 r5:c5810780 r4:00000000 # [ 132.554675] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 132.561820] r10:00000004 r9:00000000 r8:00000000 r7:b6e9e000 r6:c4730000 r5:c5810780 # [ 132.569652] r4:c5810780 # [ 132.572196] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 132.579339] r9:c4730000 r8:c03002e4 r7:00000004 r6:b6fe5e00 r5:00000012 r4:00000012 # [ 132.587094] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 132.594669] Exception stack(0xc4731fa8 to 0xc4731ff0) # [ 132.599729] 1fa0: 00000012 00000012 00000001 b6e9e000 00000012 00000000 # [ 132.607916] 1fc0: 00000012 00000012 b6fe5e00 00000004 00000001 00000000 00020000 be9e0a64 # [ 132.616100] 1fe0: 00000004 be9e0798 b6f504cf b6ed67e6 # 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 [ 133.066298] lkdtm: Performing direct entry CFI_FORWARD_PROTO [ 133.072065] lkdtm: Calling matched prototype ... [ 133.076790] lkdtm: Calling mismatched prototype ... [ 133.081684] lkdtm: Fail: survived mismatched prototype function call! # [ 133.066298] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 133.072065] lkdtm: Calling matched prototype ... # [ 133.076790] lkdtm: Calling mismatched prototype ... # [ 133.081684] 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 /lava-8570582/0/tests/1_kselftest-lkdtm ./kselftest.sh: 131: ./parse-output.py: not found + ../../utils/send-to-lava.sh ./output/result.txt + set +x / #