[Enter `^Ec?' for help] U-Boot 2021.10+dfsg-1+apertis10bv2023dev2b2 (Apr 18 2022 - 16:34:49 +0000) CPU: Freescale i.MX6Q rev1.0 at 792 MHz Reset cause: POR Model: Freescale i.MX6 Quad SABRE Lite Board Board: SABRE Lite I2C: ready DRAM: 1 GiB MMC: FSL_SDHC: 0, FSL_SDHC: 1 Loading Environment from SPIFlash... SF: Detected sst25vf016b with page size 256 Bytes, erase size 4 KiB, total 2 MiB *** Warning - bad CRC, using default environment In: serial Out: serial Err: serial Net: using phy at 6 FEC [PRIME], usb_ether Error: usb_ether address not set. starting USB... Bus usb@2184000: usb dr_mode not found Bus usb@2184200: USB EHCI 1.00 scanning bus usb@2184000 for devices... 1 USB Device(s) found scanning bus usb@2184200 for devices... 2 USB Device(s) found scanning usb for storage devices... 0 Storage Device(s) found scanning usb for ethernet devices... 0 Ethernet Device(s) found Hit any key to stop autoboot: 3  0 => setenv autoload no setenv autoload no => setenv initrd_high 0xffffffff setenv initrd_high 0xffffffff => setenv fdt_high 0xffffffff setenv fdt_high 0xffffffff => dhcp dhcp BOOTP broadcast 1 DHCP client bound to address 192.168.101.100 (4 ms) => setenv serverip 192.168.101.1 setenv serverip 192.168.101.1 => tftp 0x10000000 7550121/tftp-deploy-haj5ejyv/kernel/zImage tftp 0x10000000 7550121/tftp-deploy-haj5ejyv/kernel/zImage Using FEC device TFTP from server 192.168.101.1; our IP address is 192.168.101.100 Filename '7550121/tftp-deploy-haj5ejyv/kernel/zImage'. Load address: 0x10000000 Loading: *################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ### 2.3 MiB/s done Bytes transferred = 12448256 (bdf200 hex) => tftp 0x14000000 7550121/tftp-deploy-haj5ejyv/ramdisk/ramdisk.cpio.gz.uboot tftp 0x14000000 7550121/tftp-deploy-haj5ejyv/ramdisk/ramdisk.cpio.gz.uboot Using FEC device TFTP from server 192.168.101.1; our IP address is 192.168.101.100 Filename '7550121/tftp-deploy-haj5ejyv/ramdisk/ramdisk.cpio.gz.uboot'. Load address: 0x14000000 Loading: *################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# 1.9 MiB/s done Bytes transferred = 15261344 (e8dea0 hex) => setenv initrd_size ${filesize} setenv initrd_size ${filesize} => tftp 0x13f00000 7550121/tftp-deploy-haj5ejyv/dtb/imx6q-sabrelite.dtb tftp 0x13f00000 7550121/tftp-deploy-haj5ejyv/dtb/imx6q-sabrelite.dtb Using FEC device TFTP from server 192.168.101.1; our IP address is 192.168.101.100 Filename '7550121/tftp-deploy-haj5ejyv/dtb/imx6q-sabrelite.dtb'. Load address: 0x13f00000 Loading: *### 2 MiB/s done Bytes transferred = 42393 (a599 hex) => setenv bootargs 'console=ttymxc1,115200n8 root=/dev/nfs rw nfsroot=192.168.101.1:/var/lib/lava/dispatcher/tmp/7550121/extract-nfsrootfs-tj4g6m9c,tcp,hard ip=dhcp' setenv bootargs 'console=ttymxc1,115200n8 root=/dev/nfs rw nfsroot=192.168.101.1:/var/lib/lava/dispatcher/tmp/7550121/extract-nfsrootfs-tj4g6m9c,tcp,hard ip=dhcp' => bootz 0x10000000 0x14000000 0x13f00000 bootz 0x10000000 0x14000000 0x13f00000 Kernel image @ 0x10000000 [ 0x000000 - 0xbdf200 ] ## Loading init Ramdisk from Legacy Image at 14000000 ... Image Name: Image Type: ARM Linux RAMDisk Image (uncompressed) Data Size: 15261280 Bytes = 14.6 MiB Load Address: 00000000 Entry Point: 00000000 Verifying Checksum ... OK ## Flattened Device Tree blob at 13f00000 Booting using the fdt blob at 0x13f00000 Using Device Tree in place at 13f00000, end 13f0d598 Starting kernel ... [ 0.000000] Booting Linux on physical CPU 0x0 [ 0.000000] Linux version 5.10.145-cip17 (KernelCI@build-j292233-arm-gcc-10-multi-v7-defconfig-kselftest-xvr8r) (arm-linux-gnueabihf-gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Tue Oct 11 09:41:14 UTC 2022 [ 0.000000] CPU: ARMv7 Processor [412fc09a] revision 10 (ARMv7), cr=10c5387d [ 0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache [ 0.000000] OF: fdt: Machine model: Freescale i.MX6 Quad SABRE Lite Board [ 0.000000] Memory policy: Data cache writealloc [ 0.000000] efi: UEFI not found. [ 0.000000] OF: fdt: Reserved memory: unsupported node format, ignoring [ 0.000000] cma: Reserved 64 MiB at 0x4c000000 [ 0.000000] Zone ranges: [ 0.000000] DMA [mem 0x0000000010000000-0x000000003fffffff] [ 0.000000] Normal empty [ 0.000000] HighMem [mem 0x0000000040000000-0x000000004fffffff] [ 0.000000] Movable zone start for each node [ 0.000000] Early memory node ranges [ 0.000000] node 0: [mem 0x0000000010000000-0x000000004fffffff] [ 0.000000] Initmem setup node 0 [mem 0x0000000010000000-0x000000004fffffff] [ 0.000000] percpu: Embedded 21 pages/cpu s55468 r8192 d22356 u86016 [ 0.000000] Built 1 zonelists, mobility grouping on. Total pages: 260608 [ 0.000000] Kernel command line: console=ttymxc1,115200n8 root=/dev/nfs rw nfsroot=192.168.101.1:/var/lib/lava/dispatcher/tmp/7550121/extract-nfsrootfs-tj4g6m9c,tcp,hard ip=dhcp [ 0.000000] Dentry cache hash table entries: 131072 (order: 7, 524288 bytes, linear) [ 0.000000] Inode-cache hash table entries: 65536 (order: 6, 262144 bytes, linear) [ 0.000000] mem auto-init: stack:off, heap alloc:off, heap free:off [ 0.000000] Memory: 921616K/1048576K available (17408K kernel code, 2653K rwdata, 8120K rodata, 2048K init, 6694K bss, 61424K reserved, 65536K cma-reserved, 196608K highmem) [ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 [ 0.000000] ftrace: allocating 56043 entries in 165 pages [ 0.000000] ftrace: allocated 165 pages with 4 groups [ 0.000000] Running RCU self tests [ 0.000000] rcu: Hierarchical RCU implementation. [ 0.000000] rcu: RCU event tracing is enabled. [ 0.000000] rcu: RCU lockdep checking is enabled. [ 0.000000] rcu: RCU restricting CPUs from NR_CPUS=16 to nr_cpu_ids=4. [ 0.000000] Rude variant of Tasks RCU enabled. [ 0.000000] Tracing variant of Tasks RCU enabled. [ 0.000000] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. [ 0.000000] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4 [ 0.000000] NR_IRQS: 16, nr_irqs: 16, preallocated irqs: 16 [ 0.000000] L2C-310 errata 752271 769419 enabled [ 0.000000] L2C-310 enabling early BRESP for Cortex-A9 [ 0.000000] L2C-310 full line of zeros enabled for Cortex-A9 [ 0.000000] L2C-310 ID prefetch enabled, offset 16 lines [ 0.000000] L2C-310 dynamic clock gating enabled, standby mode enabled [ 0.000000] L2C-310 cache controller enabled, 16 ways, 1024 kB [ 0.000000] L2C-310: CACHE_ID 0x410000c7, AUX_CTRL 0x76470001 [ 0.000000] Switching to timer-based delay loop, resolution 15ns [ 0.000008] sched_clock: 32 bits at 66MHz, resolution 15ns, wraps every 32537631224ns [ 0.000038] clocksource: mxc_timer1: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 28958491609 ns [ 0.004472] Console: colour dummy device 80x30 [ 0.004538] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 0.004569] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 0.004596] ... MAX_LOCK_DEPTH: 48 [ 0.004622] ... MAX_LOCKDEP_KEYS: 8192 [ 0.004649] ... CLASSHASH_SIZE: 4096 [ 0.004674] ... MAX_LOCKDEP_ENTRIES: 32768 [ 0.004699] ... MAX_LOCKDEP_CHAINS: 65536 [ 0.004726] ... CHAINHASH_SIZE: 32768 [ 0.004751] memory used by lock dependency info: 4061 kB [ 0.004777] memory used for stack traces: 2112 kB [ 0.004804] per task-struct memory footprint: 1536 bytes [ 0.004905] Calibrating delay loop (skipped), value calculated using timer frequency.. 132.00 BogoMIPS (lpj=660000) [ 0.004959] pid_max: default: 32768 minimum: 301 [ 0.005338] LSM: Security Framework initializing [ 0.005453] LSM support for eBPF active [ 0.005599] Mount-cache hash table entries: 2048 (order: 1, 8192 bytes, linear) [ 0.005650] Mountpoint-cache hash table entries: 2048 (order: 1, 8192 bytes, linear) [ 0.008228] CPU: Testing write buffer coherency: ok [ 0.008347] CPU0: Spectre v2: using BPIALL workaround [ 0.009456] CPU0: thread -1, cpu 0, socket 0, mpidr 80000000 [ 0.013384] Setting up static identity map for 0x10300000 - 0x103000ac [ 0.015821] rcu: Hierarchical SRCU implementation. [ 0.025581] EFI services will not be available. [ 0.026904] smp: Bringing up secondary CPUs ... [ 0.030281] CPU1: thread -1, cpu 1, socket 0, mpidr 80000001 [ 0.030296] CPU1: Spectre v2: using BPIALL workaround [ 0.034370] CPU2: thread -1, cpu 2, socket 0, mpidr 80000002 [ 0.034386] CPU2: Spectre v2: using BPIALL workaround [ 0.038093] CPU3: thread -1, cpu 3, socket 0, mpidr 80000003 [ 0.038107] CPU3: Spectre v2: using BPIALL workaround [ 0.039142] smp: Brought up 1 node, 4 CPUs [ 0.039188] SMP: Total of 4 processors activated (528.00 BogoMIPS). [ 0.039226] CPU: All CPU(s) started in SVC mode. [ 0.041885] devtmpfs: initialized [ 0.099805] VFP support v0.3: implementor 41 architecture 3 part 30 variant 9 rev 4 [ 0.102499] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 0.102575] futex hash table entries: 1024 (order: 4, 65536 bytes, linear) [ 0.107338] pinctrl core: initialized pinctrl subsystem [ 0.114552] DMI not present or invalid. [ 0.116931] NET: Registered protocol family 16 [ 0.128599] DMA: preallocated 256 KiB pool for atomic coherent allocations [ 0.138309] thermal_sys: Registered thermal governor 'step_wise' [ 0.138939] cpuidle: using governor menu [ 0.139472] CPU identified as i.MX6Q, silicon rev 1.0 [ 0.913803] vdd1p1: supplied by regulator-dummy [ 0.946754] vdd3p0: supplied by regulator-dummy [ 0.979312] vdd2p5: supplied by regulator-dummy [ 1.011880] vddarm: supplied by regulator-dummy [ 1.045363] vddpu: supplied by regulator-dummy [ 1.076945] vddsoc: supplied by regulator-dummy [ 2.458683] No ATAGs? [ 2.459458] hw-breakpoint: found 5 (+1 reserved) breakpoint and 1 watchpoint registers. [ 2.459542] hw-breakpoint: maximum watchpoint size is 4 bytes. [ 2.480348] imx6q-pinctrl 20e0000.pinctrl: initialized IMX pinctrl driver [ 2.511264] Serial: AMBA PL011 UART driver [ 2.577807] Kprobes globally optimized [ 2.674409] mxs-dma 110000.dma-apbh: initialized [ 2.707985] iommu: Default domain type: Translated [ 2.710240] vgaarb: loaded [ 2.715185] SCSI subsystem initialized [ 2.717391] usbcore: registered new interface driver usbfs [ 2.717734] usbcore: registered new interface driver hub [ 2.717976] usbcore: registered new device driver usb [ 2.725934] i2c i2c-0: IMX I2C adapter registered [ 2.733097] i2c i2c-1: IMX I2C adapter registered [ 2.737685] i2c i2c-2: IMX I2C adapter registered [ 2.742517] pps_core: LinuxPPS API ver. 1 registered [ 2.742558] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 2.742658] PTP clock support registered [ 2.761189] clocksource: Switched to clocksource mxc_timer1 [ 4.510820] NET: Registered protocol family 2 [ 4.511745] IP idents hash table entries: 16384 (order: 5, 131072 bytes, linear) [ 4.515273] tcp_listen_portaddr_hash hash table entries: 512 (order: 2, 22528 bytes, linear) [ 4.515459] TCP established hash table entries: 8192 (order: 3, 32768 bytes, linear) [ 4.515688] TCP bind hash table entries: 8192 (order: 6, 327680 bytes, linear) [ 4.517129] TCP: Hash tables configured (established 8192 bind 8192) [ 4.518218] MPTCP token hash table entries: 1024 (order: 3, 49152 bytes, linear) [ 4.518562] UDP hash table entries: 512 (order: 3, 49152 bytes, linear) [ 4.518823] UDP-Lite hash table entries: 512 (order: 3, 49152 bytes, linear) [ 4.519577] NET: Registered protocol family 1 [ 4.522628] RPC: Registered named UNIX socket transport module. [ 4.522719] RPC: Registered udp transport module. [ 4.522758] RPC: Registered tcp transport module. [ 4.522798] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 4.522852] NET: Registered protocol family 44 [ 4.522919] PCI: CLS 0 bytes, default 64 [ 4.525497] Trying to unpack rootfs image as initramfs... [ 6.413829] Freeing initrd memory: 14904K [ 6.414851] hw perfevents: no interrupt-affinity property for /pmu, guessing. [ 6.416115] hw perfevents: enabled with armv7_cortex_a9 PMU driver, 7 counters available [ 6.425542] Initialise system trusted keyrings [ 6.426745] workingset: timestamp_bits=30 max_order=18 bucket_order=0 [ 6.479077] squashfs: version 4.0 (2009/01/31) Phillip Lougher [ 6.483341] NFS: Registering the id_resolver key type [ 6.483584] Key type id_resolver registered [ 6.483675] Key type id_legacy registered [ 6.484364] nfs4filelayout_init: NFSv4 File Layout Driver Registering... [ 6.484468] nfs4flexfilelayout_init: NFSv4 Flexfile Layout Driver Registering... [ 6.484687] ntfs: driver 2.1.32 [Flags: R/O]. [ 6.486917] Key type asymmetric registered [ 6.487047] Asymmetric key parser 'x509' registered [ 6.487496] bounce: pool size: 64 pages [ 6.487667] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 247) [ 6.487772] io scheduler mq-deadline registered [ 6.487814] io scheduler kyber registered [ 6.488766] test_firmware: interface ready [ 6.739283] imx-sdma 20ec000.sdma: Direct firmware load for imx/sdma/sdma-imx6q.bin failed with error -2 [ 6.739543] imx-sdma 20ec000.sdma: external firmware not found, using ROM firmware [ 7.015150] Serial: 8250/16550 driver, 5 ports, IRQ sharing enabled [ 7.036880] SuperH (H)SCI(F) driver initialized [ 7.039965] 2020000.serial: ttymxc0 at MMIO 0x2020000 (irq = 34, base_baud = 5000000) is a IMX [ 7.045366] 21e8000.serial: ttymxc1 at MMIO 0x21e8000 (irq = 81, base_baud = 5000000) is a IMX [ 7.977532] printk: console [ttymxc1] enabled [ 7.988641] msm_serial: driver initialized [ 7.994009] STMicroelectronics ASC driver initialized [ 8.006066] STM32 USART driver initialized [ 8.033603] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 0 [ 8.056644] panel-simple panel-lcd: supply power not found, using dummy regulator [ 8.065142] panel-simple panel-lcd: Specify missing connector_type [ 8.073252] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 8.130021] brd: module loaded [ 8.193684] loop: module loaded [ 8.200210] lkdtm: No crash points registered, enable through debugfs [ 8.223614] ahci-imx 2200000.sata: fsl,transmit-level-mV not specified, using 00000024 [ 8.231660] ahci-imx 2200000.sata: fsl,transmit-boost-mdB not specified, using 00000480 [ 8.239709] ahci-imx 2200000.sata: fsl,transmit-atten-16ths not specified, using 00002000 [ 8.248000] ahci-imx 2200000.sata: fsl,receive-eq-mdB not specified, using 05000000 [ 8.256076] ahci-imx 2200000.sata: supply ahci not found, using dummy regulator [ 8.264384] ahci-imx 2200000.sata: supply phy not found, using dummy regulator [ 8.272279] ahci-imx 2200000.sata: supply target not found, using dummy regulator [ 8.283650] ahci-imx 2200000.sata: SSS flag set, parallel bus scan disabled [ 8.290681] ahci-imx 2200000.sata: AHCI 0001.0300 32 slots 1 ports 3 Gbps 0x1 impl platform mode [ 8.299615] ahci-imx 2200000.sata: flags: ncq sntf stag pm led clo only pmp pio slum part ccc apst [ 8.314331] scsi host0: ahci-imx [ 8.319976] ata1: SATA max UDMA/133 mmio [mem 0x02200000-0x02203fff] port 0x100 irq 84 [ 8.389094] bgmac_bcma: Broadcom 47xx GBit MAC driver loaded [ 8.402993] pps pps0: new PPS source ptp0 [ 8.449627] fec 2188000.ethernet eth0: registered PHC device 0 [ 8.460655] e1000e: Intel(R) PRO/1000 Network Driver [ 8.465726] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. [ 8.471982] igb: Intel(R) Gigabit Ethernet Network Driver [ 8.477418] igb: Copyright (c) 2007-2014 Intel Corporation. [ 8.506822] pegasus: v0.9.3 (2013/04/25), Pegasus/Pegasus II USB Ethernet driver [ 8.514502] usbcore: registered new interface driver pegasus [ 8.520411] usbcore: registered new interface driver asix [ 8.526052] usbcore: registered new interface driver ax88179_178a [ 8.532385] usbcore: registered new interface driver cdc_ether [ 8.538475] usbcore: registered new interface driver smsc75xx [ 8.544546] usbcore: registered new interface driver smsc95xx [ 8.550476] usbcore: registered new interface driver net1080 [ 8.556376] usbcore: registered new interface driver cdc_subset [ 8.562535] usbcore: registered new interface driver zaurus [ 8.568400] usbcore: registered new interface driver cdc_ncm [ 8.587850] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 8.594553] ehci-pci: EHCI PCI platform driver [ 8.599195] ehci-platform: EHCI generic platform driver [ 8.605573] ehci-orion: EHCI orion driver [ 8.610588] SPEAr-ehci: EHCI SPEAr driver [ 8.615632] ehci-st: EHCI STMicroelectronics driver [ 8.621592] ehci-exynos: EHCI Exynos driver [ 8.626738] ehci-atmel: EHCI Atmel driver [ 8.631765] tegra-ehci: Tegra EHCI driver [ 8.636768] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 8.643111] ohci-pci: OHCI PCI platform driver [ 8.647752] ohci-platform: OHCI generic platform driver [ 8.654086] SPEAr-ohci: OHCI SPEAr driver [ 8.659069] ohci-st: OHCI STMicroelectronics driver [ 8.664968] ohci-atmel: OHCI Atmel driver [ 8.672782] usbcore: registered new interface driver usb-storage [ 8.673627] ata1: SATA link down (SStatus 0 SControl 300) [ 8.684660] ahci-imx 2200000.sata: no device found, disabling link. [ 8.691026] ahci-imx 2200000.sata: pass ahci_imx..hotplug=1 to enable hotplug [ 8.714226] i2c /dev entries driver [ 8.806783] sdhci: Secure Digital Host Controller Interface driver [ 8.813067] sdhci: Copyright(c) Pierre Ossman [ 8.827795] Synopsys Designware Multimedia Card Interface Driver [ 8.841947] sdhci-pltfm: SDHCI platform and OF driver helper [ 8.851627] sdhci-esdhc-imx 2198000.mmc: Got CD GPIO [ 8.851634] sdhci-esdhc-imx 219c000.mmc: Got CD GPIO [ 8.851832] sdhci-esdhc-imx 2198000.mmc: Got WP GPIO [ 8.868916] ledtrig-cpu: registered to indicate activity on CPUs [ 8.879131] usbcore: registered new interface driver usbhid [ 8.884825] usbhid: USB HID core driver [ 8.904973] mmc3: SDHCI controller on 219c000.mmc [219c000.mmc] using ADMA [ 8.917093] ipip: IPv4 and MPLS over IPv4 tunneling driver [ 8.925377] gre: GRE over IPv4 demultiplexor driver [ 8.927415] mmc2: SDHCI controller on 2198000.mmc [2198000.mmc] using ADMA [ 8.930293] ip_gre: GRE over IPv4 tunneling driver [ 8.948409] IPv4 over IPsec tunneling driver [ 8.958179] NET: Registered protocol family 10 [ 8.969665] Segment Routing with IPv6 [ 8.980191] ip6_gre: GRE over IPv6 tunneling driver [ 8.988316] NET: Registered protocol family 17 [ 8.994527] 8021q: 802.1Q VLAN Support v1.8 [ 8.999827] Key type dns_resolver registered [ 9.018383] ThumbEE CPU extension supported. [ 9.022859] Registering SWP/SWPB emulation handler [ 9.029038] Loading compiled-in X.509 certificates [ 9.061276] mmc2: new high speed SDHC card at address 0001 [ 9.071498] mmcblk2: mmc2:0001 SD 14.6 GiB [ 9.098576] GPT:Primary header thinks Alt. header is not at the end of the disk. [ 9.106210] GPT:29296874 != 30560255 [ 9.109827] GPT:Alternate GPT header not at the end of the disk. [ 9.115936] GPT:29296874 != 30560255 [ 9.119553] GPT: Use GNU Parted to correct GPT errors. [ 9.124905] mmcblk2: p1 p2 p3 [ 9.266541] panel-simple panel-lcd: supply power not found, using dummy regulator [ 9.275196] panel-simple panel-lcd: Specify missing connector_type [ 9.291296] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 9.336312] imx_usb 2184200.usb: No over current polarity defined [ 9.351111] ci_hdrc ci_hdrc.1: EHCI Host Controller [ 9.356409] ci_hdrc ci_hdrc.1: new USB bus registered, assigned bus number 1 [ 9.392568] ci_hdrc ci_hdrc.1: USB 2.0 started, EHCI 1.00 [ 9.415425] hub 1-0:1.0: USB hub found [ 9.420361] hub 1-0:1.0: 1 port detected [ 9.438371] imx_thermal 20c8000.anatop:tempmon: invalid sensor calibration data [ 9.445804] imx_thermal 20c8000.anatop:tempmon: error -EINVAL: failed to init from nvmem [ 9.454290] imx_thermal: probe of 20c8000.anatop:tempmon failed with error -22 [ 9.489359] panel-simple panel-lcd: supply power not found, using dummy regulator [ 9.497913] panel-simple panel-lcd: Specify missing connector_type [ 9.514048] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 9.553542] panel-simple panel-lcd: supply power not found, using dummy regulator [ 9.562188] panel-simple panel-lcd: Specify missing connector_type [ 9.578107] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 9.600218] input: gpio-keys as /devices/platform/gpio-keys/input/input0 [ 9.638514] panel-simple panel-lcd: supply power not found, using dummy regulator [ 9.647133] panel-simple panel-lcd: Specify missing connector_type [ 9.663278] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 9.688225] Micrel KSZ9021 Gigabit PHY 2188000.ethernet-1:06: attached PHY driver [Micrel KSZ9021 Gigabit PHY] (mii_bus:phy_addr=2188000.ethernet-1:06, irq=POLL) [ 9.703982] IP-Config: Failed to open gretap0 [ 9.708402] IP-Config: Failed to open erspan0 [ 9.741591] Sending DHCP requests . [ 9.851309] usb 1-1: new high-speed USB device number 2 using ci_hdrc [ 10.070415] hub 1-1:1.0: USB hub found [ 10.075492] hub 1-1:1.0: 3 ports detected [ 10.113821] panel-simple panel-lcd: supply power not found, using dummy regulator [ 10.122580] panel-simple panel-lcd: Specify missing connector_type [ 10.139013] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 11.832612] fec 2188000.ethernet eth0: Link is Up - 100Mbps/Full - flow control rx/tx [ 11.841348] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready [ 12.351227] ., OK [ 12.393720] IP-Config: Got DHCP answer from 192.168.101.1, my address is 192.168.101.100 [ 12.402089] IP-Config: Complete: [ 12.405408] device=eth0, hwaddr=0e:cc:7b:b0:7c:c7, ipaddr=192.168.101.100, mask=255.255.255.0, gw=192.168.101.1 [ 12.416165] host=imx6q-sabrelite-cbg-1, domain=lava.cbg.collabora.co.uk, nis-domain=(none) [ 12.425072] bootserver=192.168.101.1, rootserver=192.168.101.1, rootpath= [ 12.425120] nameserver0=192.168.101.1 [ 12.506280] Freeing unused kernel memory: 2048K [ 12.512431] Run /init as init process Loading, please wait... Starting version 247.3-7+deb11u1 [ 17.711944] imx-ipuv3 2400000.ipu: IPUv3H probed [ 17.745533] imx-ipuv3 2800000.ipu: IPUv3H probed [ 17.776719] panel-simple panel-lcd: supply power not found, using dummy regulator [ 17.820062] panel-simple panel-lcd: Specify missing connector_type [ 17.857289] CAN device driver interface [ 17.863229] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 17.953121] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) [ 17.962346] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) [ 17.971362] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) [ 17.976934] panel-simple panel-lcd: supply power not found, using dummy regulator [ 17.980217] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) [ 17.996916] panel-simple panel-lcd: Specify missing connector_type [ 18.017667] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 18.072922] caam 2100000.crypto: Entropy delay = 3200 [ 18.134068] panel-simple panel-lcd: supply power not found, using dummy regulator [ 18.138819] caam 2100000.crypto: Instantiated RNG4 SH0 [ 18.142735] panel-simple panel-lcd: Specify missing connector_type [ 18.199583] caam 2100000.crypto: Instantiated RNG4 SH1 [ 18.204890] caam 2100000.crypto: device ID = 0x0a16010000000000 (Era 4) [ 18.211635] caam 2100000.crypto: job rings = 2, qi = 0 [ 18.271509] usb_phy_generic usbphynop1: supply vcc not found, using dummy regulator [ 18.280229] usb_phy_generic usbphynop1: dummy supplies not allowed for exclusive requests [ 18.289311] usb_phy_generic usbphynop2: supply vcc not found, using dummy regulator [ 18.299192] usb_phy_generic usbphynop2: dummy supplies not allowed for exclusive requests [ 18.301913] etnaviv etnaviv: bound 130000.gpu (ops gpu_ops [etnaviv]) [ 18.304482] sgtl5000 0-000a: sgtl5000 revision 0x11 [ 18.313254] sgtl5000 0-000a: Using internal LDO instead of VDDD: check ER1 erratum [ 18.318501] etnaviv etnaviv: bound 134000.gpu (ops gpu_ops [etnaviv]) [ 18.377309] etnaviv etnaviv: bound 2204000.gpu (ops gpu_ops [etnaviv]) [ 18.384139] etnaviv-gpu 130000.gpu: model: GC2000, revision: 5108 [ 18.414869] etnaviv-gpu 134000.gpu: model: GC320, revision: 5007 [ 18.426412] etnaviv-gpu 2204000.gpu: model: GC355, revision: 1215 [ 18.432841] etnaviv-gpu 2204000.gpu: Ignoring GPU with VG and FE2.0 [ 18.445750] [drm] Initialized etnaviv 1.3.0 20151214 for etnaviv on minor 1 [ 18.459222] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) [ 18.468095] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) [ 18.476702] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) [ 18.485331] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) [ 18.579049] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 18.673879] panel-simple panel-lcd: supply power not found, using dummy regulator [ 18.682660] panel-simple panel-lcd: Specify missing connector_type [ 18.736113] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) [ 18.744802] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) [ 18.753601] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) [ 18.762143] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) [ 19.066154] caam algorithms registered in /proc/crypto [ 19.083250] caam 2100000.crypto: registering rng-caam [ 19.211582] random: crng init done [ 19.218834] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 19.303085] panel-simple panel-lcd: supply power not found, using dummy regulator [ 19.311752] panel-simple panel-lcd: Specify missing connector_type [ 19.349533] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) [ 19.358234] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) [ 19.367041] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) [ 19.375601] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) [ 19.392982] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 19.441834] panel-simple panel-lcd: supply power not found, using dummy regulator [ 19.450422] panel-simple panel-lcd: Specify missing connector_type [ 19.474651] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) [ 19.483368] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) [ 19.492041] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) [ 19.500517] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) Begin: Loading essential drivers ... done. Begin: Running /scripts/init-premount ... done. Begin: Mounting root file system ... Begin: Running /scripts/nfs-top ... done. Begin: Running /scripts/nfs-premount ... done. IP-Config: erspan0 hardware address 00:00:00:00:00:00 mtu 1450 DHCP SIOCSIFFLAGS: Cannot assign requested address IP-Config: gretap0 hardware address 00:00:00:00:00:00 mtu 1462 DHCP SIOCSIFFLAGS: Cannot assign requested address IP-Config: eth0 hardware address 0e:cc:7b:b0:7c:c7 mtu 1500 DHCP IP-Config: eth0 complete (dhcp from 192.168.101.1): address: 192.168.101.100 broadcast: 192.168.101.255 netmask: 255.255.255.0 gateway: 192.168.101.1 dns0 : 192.168.101.1 dns1 : 0.0.0.0 host : imx6q-sabrelite-cbg-1 domain : lava.cbg.collabora.co.uk rootserver: 192.168.101.1 rootpath: filename : done. Begin: Running /scripts/nfs-bottom ... done. Begin: Running /scripts/init-bottom ... done. [ 22.708293] systemd[1]: System time before build time, advancing clock. [ 22.996622] 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) [ 23.023646] systemd[1]: Detected architecture arm. Welcome to [1mDebian GNU/Linux 11 (bullseye)[0m! [ 23.089057] systemd[1]: Set hostname to . [ 25.079944] systemd[1]: Queued start job for default target Graphical Interface. [ 25.096468] systemd[1]: Created slice system-getty.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-getty.slice[0m. [ 25.146708] systemd[1]: Created slice system-modprobe.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-modprobe.slice[0m. [ 25.196618] systemd[1]: Created slice system-serial\x2dgetty.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-serial\x2dgetty.slice[0m. [ 25.246009] systemd[1]: Created slice User and Session Slice. [[0;32m OK [0m] Created slice [0;1;39mUser and Session Slice[0m. [ 25.295659] systemd[1]: Started Dispatch Password Requests to Console Directory Watch. [[0;32m OK [0m] Started [0;1;39mDispatch Password …ts to Console Directory Watch[0m. [ 25.345028] systemd[1]: Started Forward Password Requests to Wall Directory Watch. [[0;32m OK [0m] Started [0;1;39mForward Password R…uests to Wall Directory Watch[0m. [ 25.392799] systemd[1]: Condition check resulted in Arbitrary Executable File Formats File System Automount Point being skipped. [ 25.406723] systemd[1]: Reached target Local Encrypted Volumes. [[0;32m OK [0m] Reached target [0;1;39mLocal Encrypted Volumes[0m. [ 25.452864] systemd[1]: Reached target Paths. [[0;32m OK [0m] Reached target [0;1;39mPaths[0m. [ 25.492248] systemd[1]: Reached target Remote File Systems. [[0;32m OK [0m] Reached target [0;1;39mRemote File Systems[0m. [ 25.542303] systemd[1]: Reached target Slices. [[0;32m OK [0m] Reached target [0;1;39mSlices[0m. [ 25.581591] systemd[1]: Reached target Swap. [[0;32m OK [0m] Reached target [0;1;39mSwap[0m. [ 25.625825] systemd[1]: Listening on initctl Compatibility Named Pipe. [[0;32m OK [0m] Listening on [0;1;39minitctl Compatibility Named Pipe[0m. [ 25.740314] systemd[1]: Condition check resulted in Journal Audit Socket being skipped. [ 25.759633] systemd[1]: Listening on Journal Socket (/dev/log). [[0;32m OK [0m] Listening on [0;1;39mJournal Socket (/dev/log)[0m. [ 25.808542] systemd[1]: Listening on Journal Socket. [[0;32m OK [0m] Listening on [0;1;39mJournal Socket[0m. [ 25.858897] systemd[1]: Listening on Network Service Netlink Socket. [[0;32m OK [0m] Listening on [0;1;39mNetwork Service Netlink Socket[0m. [ 25.915736] systemd[1]: Listening on udev Control Socket. [[0;32m OK [0m] Listening on [0;1;39mudev Control Socket[0m. [ 25.966684] systemd[1]: Listening on udev Kernel Socket. [[0;32m OK [0m] Listening on [0;1;39mudev Kernel Socket[0m. [ 26.016638] systemd[1]: Condition check resulted in Huge Pages File System being skipped. [ 26.027085] systemd[1]: Condition check resulted in POSIX Message Queue File System being skipped. [ 26.050617] systemd[1]: Mounting Kernel Debug File System... Mounting [0;1;39mKernel Debug File System[0m... [ 26.105013] systemd[1]: Mounting Kernel Trace File System... Mounting [0;1;39mKernel Trace File System[0m... [ 26.158303] systemd[1]: Starting Create list of static device nodes for the current kernel... Starting [0;1;39mCreate list of st…odes for the current kernel[0m... [ 26.216847] systemd[1]: Starting Load Kernel Module configfs... Starting [0;1;39mLoad Kernel Module configfs[0m... [ 26.265931] systemd[1]: Starting Load Kernel Module drm... Starting [0;1;39mLoad Kernel Module drm[0m... [ 26.315621] systemd[1]: Starting Load Kernel Module fuse... Starting [0;1;39mLoad Kernel Module fuse[0m... [ 26.362614] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped. [ 26.398809] systemd[1]: Starting Journal Service... [ 26.405733] fuse: init (API version 7.32) Starting [0;1;39mJournal Service[0m... [ 26.465681] systemd[1]: Starting Load Kernel Modules... Starting [0;1;39mLoad Kernel Modules[0m... [ 26.518884] systemd[1]: Starting Remount Root and Kernel File Systems... Starting [0;1;39mRemount Root and Kernel File Systems[0m... [ 26.583002] systemd[1]: Starting Coldplug All udev Devices... Starting [0;1;39mColdplug All udev Devices[0m... [ 26.680146] systemd[1]: Mounted Kernel Debug File System. [[0;32m OK [0m] Mounted [0;1;39mKernel Debug File System[0m. [ 26.726018] systemd[1]: Mounted Kernel Trace File System. [[0;32m OK [0m] Mounted [0;1;39mKernel Trace File System[0m. [ 26.754429] systemd[1]: Finished Create list of static device nodes for the current kernel. [[0;32m OK [0m] Finished [0;1;39mCreate list of st… nodes for the current kernel[0m. [ 26.866602] systemd[1]: modprobe@configfs.service: Succeeded. [ 26.879758] systemd[1]: Finished Load Kernel Module configfs. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Module configfs[0m. [ 26.938633] systemd[1]: modprobe@drm.service: Succeeded. [ 26.950285] systemd[1]: Finished Load Kernel Module drm. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Module drm[0m. [ 27.008786] systemd[1]: modprobe@fuse.service: Succeeded. [ 27.020204] systemd[1]: Finished Load Kernel Module fuse. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Module fuse[0m. [ 27.068547] systemd[1]: Finished Load Kernel Modules. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Modules[0m. [ 27.108396] systemd[1]: Finished Remount Root and Kernel File Systems. [[0;32m OK [0m] Finished [0;1;39mRemount Root and Kernel File Systems[0m. [ 27.166862] systemd[1]: Mounting FUSE Control File System... Mounting [0;1;39mFUSE Control File System[0m... [ 27.234388] systemd[1]: Mounting Kernel Configuration File System... Mounting [0;1;39mKernel Configuration File System[0m... [ 27.264300] systemd[1]: Condition check resulted in Rebuild Hardware Database being skipped. [ 27.275698] systemd[1]: Condition check resulted in Platform Persistent Storage Archival being skipped. [ 27.298526] systemd[1]: Starting Load/Save Random Seed... Starting [0;1;39mLoad/Save Random Seed[0m... [ 27.361682] systemd[1]: Starting Apply Kernel Variables... Starting [0;1;39mApply Kernel Variables[0m... [ 27.427121] systemd[1]: Starting Create System Users... Starting [0;1;39mCreate System Users[0m... [ 27.479854] systemd[1]: Started Journal Service. [[0;32m OK [0m] Started [0;1;39mJournal Service[0m. [[0;32m OK [0m] Mounted [0;1;39mFUSE Control File System[0m. [[0;32m OK [0m] Mounted [0;1;39mKernel Configuration File System[0m. [[0;32m OK [0m] Finished [0;1;39mLoad/Save Random Seed[0m. [[0;32m OK [0m] Finished [0;1;39mApply Kernel Variables[0m. Starting [0;1;39mFlush Journal to Persistent Storage[0m... [[0;32m OK [0m] Finished [0;1;39mCreate System Users[0m. Starting [0;1;39mCreate Static Device Nodes in /dev[0m... [ 27.889279] systemd-journald[276]: Received client request to flush runtime journal. [[0;32m OK [0m] Finished [0;1;39mCreate Static Device Nodes in /dev[0m. [[0;32m OK [0m] Reached target [0;1;39mLocal File Systems (Pre)[0m. [[0;32m OK [0m] Reached target [0;1;39mLocal File Systems[0m. Starting [0;1;39mRule-based Manage…for Device Events and Files[0m... [[0;32m OK [0m] Finished [0;1;39mFlush Journal to Persistent Storage[0m. Starting [0;1;39mCreate Volatile Files and Directories[0m... [[0;32m OK [0m] Started [0;1;39mRule-based Manager for Device Events and Files[0m. Starting [0;1;39mNetwork Service[0m... [[0;32m OK [0m] Finished [0;1;39mCreate Volatile Files and Directories[0m. Starting [0;1;39mUpdate UTMP about System Boot/Shutdown[0m... [[0;32m OK [0m] Started [0;1;39mNetwork Service[0m. Starting [0;1;39mNetwork Name Resolution[0m... [[0;32m OK [0m] Finished [0;1;39mUpdate UTMP about System Boot/Shutdown[0m. [[0;32m OK [0m] Started [0;1;39mNetwork Name Resolution[0m. [[0;32m OK [0m] Reached target [0;1;39mNetwork[0m. [[0;32m OK [0m] Reached target [0;1;39mHost and Network Name Lookups[0m. [[0;32m OK [0m] Reached target [0;1;39mHardware activated USB gadget[0m. [[0;32m OK [0m] Found device [0;1;39m/dev/ttymxc1[0m. [[0;32m OK [0m] Finished [0;1;39mColdplug All udev Devices[0m. [[0;32m OK [0m] Reached target [0;1;39mSystem Initialization[0m. [[0;32m OK [0m] Started [0;1;39mDaily apt download activities[0m. [[0;32m OK [0m] Started [0;1;39mDaily apt upgrade and clean activities[0m. [[0;32m OK [0m] Started [0;1;39mPeriodic ext4 Onli…ata Check for All Filesystems[0m. [[0;32m OK [0m] Started [0;1;39mDiscard unused blocks once a week[0m. [[0;32m OK [0m] Started [0;1;39mDaily Cleanup of Temporary Directories[0m. [[0;32m OK [0m] Reached target [0;1;39mTimers[0m. [[0;32m OK [0m] Listening on [0;1;39mD-Bus System Message Bus Socket[0m. [[0;32m OK [0m] Reached target [0;1;39mSockets[0m. [[0;32m OK [0m] Reached target [0;1;39mBasic System[0m. [[0;32m OK [0m] Started [0;1;39mD-Bus System Message Bus[0m. Starting [0;1;39mRemove Stale Onli…t4 Metadata Check Snapshots[0m... Starting [0;1;39mUser Login Management[0m... Starting [0;1;39mPermit User Sessions[0m... [[0;32m OK [0m] Finished [0;1;39mPermit User Sessions[0m. [[0;32m OK [0m] Finished [0;1;39mRemove Stale Onli…ext4 Metadata Check Snapshots[0m. [[0m[0;31m* [0m] A start job is running for User Login Management (14s / 1min 40s) M[K[[0;32m OK [0m] Started [0;1;39mUser Login Management[0m. [K[[0;32m OK [0m] Listening on [0;1;39mLoad/Save RF …itch Status /dev/rfkill Watch[0m. [[0;32m OK [0m] Started [0;1;39mGetty on tty1[0m. [[0;32m OK [0m] Started [0;1;39mSerial Getty on ttymxc1[0m. [[0;32m OK [0m] Reached target [0;1;39mLogin Prompts[0m. [[0;32m OK [0m] Reached target [0;1;39mMulti-User System[0m. [[0;32m OK [0m] Reached target [0;1;39mGraphical Interface[0m. Starting [0;1;39mUpdate UTMP about System Runlevel Changes[0m... [[0;32m OK [0m] Finished [0;1;39mUpdate UTMP about System Runlevel Changes[0m. Debian GNU/Linux 11 debian-bullseye-armhf ttymxc1 debian-bullseye-armhf login: root (automatic login) Linux debian-bullseye-armhf 5.10.145-cip17 #1 SMP Tue Oct 11 09:41:14 UTC 2022 armv7l The programs included with the Debian GNU/Linux system are free software; the exact distribution terms for each program are described in the individual files in /usr/share/doc/*/copyright. Debian GNU/Linux comes with ABSOLUTELY NO WARRANTY, to the extent permitted by applicable law. / # / # export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/7550121/extract-nfsrootfs-tj4g6m9c' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/7550121/extract-nfsrootfs-tj4g6m9c' / # export NFS_SERVER_IP='192.168.101.1' export NFS_SERVER_IP='192.168.101.1' / # # # / # export SHELL=/bin/bash export SHELL=/bin/bash / # . /lava-7550121/environment . /lava-7550121/environment / # /lava-7550121/bin/lava-test-runner /lava-7550121/0 /lava-7550121/bin/lava-test-runner /lava-7550121/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-7550121/0/tests/0_timesync-off ++ cat uuid + UUID=7550121_1.6.2.4.1 + set +x + systemctl stop systemd-timesyncd Failed to stop systemd-timesyncd.service: Unit systemd-timesyncd.service not loaded. + true + set +x + export TESTRUN_ID=1_kselftest-lkdtm + TESTRUN_ID=1_kselftest-lkdtm + cd /lava-7550121/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=7550121_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/v5.10.145-cip17-1-g92b5279a8e1f/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/ INFO: Generating a skipfile based on /lava-7550121/0/tests/1_kselftest-lkdtm/automated/linux/kselftest/skipfile-lkft.yaml INFO: Using the following generated skipfile contents (until EOF): breakpoints:breakpoint_test breakpoints:step_after_suspend_test ftrace:ftracetest net:rtnetlink.sh net:tls netfilter:bridge_brouter.sh netfilter:nft_flowtable.sh netfilter:nft_trans_stress.sh pidfd:pidfd_wait INFO: EOF INFO: Installing sed perl wget xz-utils iproute2 Hit:1 http://deb.debian.org/debian bullseye InRelease Reading package lists... E: Release file for http://deb.debian.org/debian/dists/bullseye/InRelease is not valid yet (invalid for another 33d 20h 52min 4s). Updates for this repository will not be applied. Reading package lists... Building dependency tree... Reading state information... iproute2 is already the newest version (5.10.0-4). perl is already the newest version (5.32.1-4+deb11u2). sed is already the newest version (4.7-1). wget is already the newest version (1.21-1+deb11u1). xz-utils is already the newest version (5.2.5-2.1~deb11u1). 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded. --2022-08-07 13:26:12-- http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.145-cip17-1-g92b5279a8e1f/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: 1407980 (1.3M) [application/octet-stream] Saving to: 'kselftest.tar.xz' kselftest.tar.xz 0%[ ] 0 --.-KB/s kselftest.tar.xz 3%[ ] 44.98K 163KB/s kselftest.tar.xz 15%[==> ] 217.50K 388KB/s kselftest.tar.xz 40%[=======> ] 563.46K 657KB/s kselftest.tar.xz 79%[==============> ] 1.07M 967KB/s kselftest.tar.xz 100%[===================>] 1.34M 1.04MB/s in 1.3s 2022-08-07 13:26:14 (1.04 MB/s) - 'kselftest.tar.xz' saved [1407980/1407980] tar: ./user/test_user_copy.sh: time stamp 2022-10-11 09:30:02 is 5601827.585514816 s in the future tar: ./user: time stamp 2022-10-11 09:51:24 is 5603109.57589371 s in the future tar: ./efivarfs/open-unlink: time stamp 2022-10-11 09:51:00 is 5603085.563064786 s in the future tar: ./efivarfs/create-read: time stamp 2022-10-11 09:51:00 is 5603085.554138604 s in the future tar: ./efivarfs/efivarfs.sh: time stamp 2022-10-11 09:30:02 is 5601827.545902528 s in the future tar: ./efivarfs: time stamp 2022-10-11 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09:30:02 is 5601822.340362605 s in the future tar: ./ftrace/test.d/ftrace/func_event_triggers.tc: time stamp 2022-10-11 09:30:02 is 5601822.331007408 s in the future tar: ./ftrace/test.d/ftrace/func_traceonoff_triggers.tc: time stamp 2022-10-11 09:30:02 is 5601822.316640878 s in the future tar: ./ftrace/test.d/ftrace/tracing-error-log.tc: time stamp 2022-10-11 09:30:02 is 5601822.305904181 s in the future tar: ./ftrace/test.d/ftrace/fgraph-filter.tc: time stamp 2022-10-11 09:30:02 is 5601822.298185741 s in the future tar: ./ftrace/test.d/ftrace/fgraph-filter-stack.tc: time stamp 2022-10-11 09:30:02 is 5601822.29027556 s in the future tar: ./ftrace/test.d/ftrace/func-filter-notrace-pid.tc: time stamp 2022-10-11 09:30:02 is 5601822.282329363 s in the future tar: ./ftrace/test.d/ftrace/func_stack_tracer.tc: time stamp 2022-10-11 09:30:02 is 5601822.274309605 s in the future tar: ./ftrace/test.d/ftrace/func_mod_trace.tc: time stamp 2022-10-11 09:30:02 is 5601822.266650757 s in the future tar: ./ftrace/test.d/ftrace/func-filter-glob.tc: time stamp 2022-10-11 09:30:02 is 5601822.258913257 s in the future tar: ./ftrace/test.d/ftrace: time stamp 2022-10-11 09:30:02 is 5601822.255260105 s in the future tar: ./ftrace/test.d/direct/kprobe-direct.tc: time stamp 2022-10-11 09:30:02 is 5601822.243800014 s in the future tar: ./ftrace/test.d/direct/ftrace-direct.tc: time stamp 2022-10-11 09:30:02 is 5601822.235809635 s in the future tar: ./ftrace/test.d/direct: time stamp 2022-10-11 09:30:02 is 5601822.231989302 s in the future tar: ./ftrace/test.d/template: time stamp 2022-10-11 09:30:02 is 5601822.223528893 s in the future tar: ./ftrace/test.d/instances/instance.tc: time stamp 2022-10-11 09:30:02 is 5601822.212394302 s in the future tar: ./ftrace/test.d/instances/instance-event.tc: time stamp 2022-10-11 09:30:02 is 5601822.203923923 s in the future tar: ./ftrace/test.d/instances: time stamp 2022-10-11 09:30:02 is 5601822.200344605 s in the future tar: ./ftrace/test.d: time stamp 2022-10-11 09:30:02 is 5601822.19578159 s in the future tar: ./ftrace/ftracetest: time stamp 2022-10-11 09:30:02 is 5601822.186449454 s in the future tar: ./ftrace: time stamp 2022-10-11 09:51:21 is 5603101.182761529 s in the future tar: ./timers/nanosleep: time stamp 2022-10-11 09:51:16 is 5603096.170985014 s in the future tar: ./timers/set-tai: time stamp 2022-10-11 09:51:16 is 5603096.162925363 s in the future tar: ./timers/adjtick: time stamp 2022-10-11 09:51:16 is 5603096.154154105 s in the future tar: ./timers/posix_timers: time stamp 2022-10-11 09:51:16 is 5603096.145388878 s in the future tar: ./timers/inconsistency-check: time stamp 2022-10-11 09:51:16 is 5603096.136614514 s in the future tar: ./timers/change_skew: time stamp 2022-10-11 09:51:16 is 5603096.127892257 s in the future tar: ./timers/threadtest: time stamp 2022-10-11 09:51:16 is 5603096.118133423 s in the future tar: ./timers/leap-a-day: time stamp 2022-10-11 09:51:16 is 5603096.108395817 s in the future tar: ./timers/leapcrash: time stamp 2022-10-11 09:51:16 is 5603096.099433135 s in the future tar: ./timers/rtcpie: time stamp 2022-10-11 09:51:16 is 5603096.089657378 s in the future tar: ./timers/settings: time stamp 2022-10-11 09:30:02 is 5601822.081965363 s in the future tar: ./timers/set-2038: time stamp 2022-10-11 09:51:16 is 5603096.07346762 s in the future tar: ./timers/set-tz: time stamp 2022-10-11 09:51:16 is 5603096.064440378 s in the future tar: ./timers/freq-step: time stamp 2022-10-11 09:51:16 is 5603096.054687287 s in the future tar: ./timers/alarmtimer-suspend: time stamp 2022-10-11 09:51:16 is 5603096.045756454 s in the future tar: ./timers/nsleep-lat: time stamp 2022-10-11 09:51:16 is 5603096.036388999 s in the future tar: ./timers/skew_consistency: time stamp 2022-10-11 09:51:16 is 5603096.027534469 s in the future tar: ./timers/clocksource-switch: time stamp 2022-10-11 09:51:16 is 5603096.018468287 s in the future tar: ./timers/valid-adjtimex: time stamp 2022-10-11 09:51:16 is 5603096.008723499 s in the future tar: ./timers/set-timer-lat: time stamp 2022-10-11 09:51:16 is 5603095.999463211 s in the future tar: ./timers/mqueue-lat: time stamp 2022-10-11 09:51:16 is 5603095.990450423 s in the future tar: ./timers/raw_skew: time stamp 2022-10-11 09:51:16 is 5603095.978032545 s in the future tar: ./timers: time stamp 2022-10-11 09:51:24 is 5603103.97154456 s in the future tar: ./run_kselftest.sh: time stamp 2022-10-11 09:51:18 is 5603097.96067056 s in the future tar: ./cpu-hotplug/cpu-on-off-test.sh: time stamp 2022-10-11 09:30:02 is 5601821.948834408 s in the future tar: ./cpu-hotplug: time stamp 2022-10-11 09:51:20 is 5603099.944845545 s in the future tar: ./pstore/common_tests: time stamp 2022-10-11 09:30:02 is 5601821.933255545 s in the future tar: ./pstore/pstore_post_reboot_tests: time stamp 2022-10-11 09:30:02 is 5601821.925173726 s in the future tar: ./pstore/pstore_crash_test: time stamp 2022-10-11 09:30:02 is 5601821.917078863 s in the future tar: ./pstore/pstore_tests: time stamp 2022-10-11 09:30:02 is 5601821.909303908 s in the future tar: ./pstore: time stamp 2022-10-11 09:51:23 is 5603102.905639272 s in the future tar: ./exec/load_address_16777216: time stamp 2022-10-11 09:51:00 is 5603079.749837348 s in the future tar: ./exec/execveat.denatured: time stamp 2022-10-11 09:51:00 is 5603079.73950559 s in the future tar: ./exec/Makefile: time stamp 2022-10-11 09:30:02 is 5601821.731483226 s in the future tar: ./exec/execveat: time stamp 2022-10-11 09:51:00 is 5603079.721229242 s in the future tar: ./exec/recursion-depth: time stamp 2022-10-11 09:51:00 is 5603079.712044499 s in the future tar: ./exec/binfmt_script: time stamp 2022-10-11 09:30:02 is 5601821.703209423 s in the future tar: ./exec/execveat.symlink: time stamp 2022-10-11 09:51:00 is 5603079.698051029 s in the future tar: ./exec/load_address_2097152: time stamp 2022-10-11 09:51:00 is 5603079.624705605 s in the future tar: ./exec/script: time stamp 2022-10-11 09:51:00 is 5603079.617810242 s in the future tar: ./exec/non-regular: time stamp 2022-10-11 09:51:00 is 5603079.603143726 s in the future tar: ./exec/load_address_4096: time stamp 2022-10-11 09:51:00 is 5603079.504505105 s in the future tar: ./exec/subdir: time stamp 2022-10-11 09:51:00 is 5603079.499379333 s in the future tar: ./exec: time stamp 2022-10-11 09:51:20 is 5603099.495413439 s in the future tar: ./size/get_size: time stamp 2022-10-11 09:51:16 is 5603095.484021363 s in the future tar: ./size: time stamp 2022-10-11 09:51:24 is 5603103.480356969 s in the future tar: ./mqueue/mq_perf_tests: time stamp 2022-10-11 09:51:04 is 5603083.464066939 s in the future tar: ./mqueue/mq_open_tests: time stamp 2022-10-11 09:51:04 is 5603083.446571999 s in the future tar: ./mqueue: time stamp 2022-10-11 09:51:22 is 5603101.442594439 s in the future tar: ./capabilities/validate_cap: time stamp 2022-10-11 09:50:59 is 5603078.42909853 s in the future tar: ./capabilities/test_execve: time stamp 2022-10-11 09:50:59 is 5603078.408830545 s in the future tar: ./capabilities: time stamp 2022-10-11 09:51:20 is 5603099.403116863 s in the future tar: ./clone3/clone3_set_tid: time stamp 2022-10-11 09:50:59 is 5603078.388107817 s in the future tar: ./clone3/clone3_clear_sighand: time stamp 2022-10-11 09:50:59 is 5603078.377413333 s in the future tar: ./clone3/clone3: time stamp 2022-10-11 09:50:59 is 5603078.36539306 s in the future tar: ./clone3/clone3_cap_checkpoint_restore: time stamp 2022-10-11 09:50:59 is 5603078.345770757 s in the future tar: ./clone3: time stamp 2022-10-11 09:51:20 is 5603099.341602545 s in the future tar: ./pidfd/pidfd_getfd_test: time stamp 2022-10-11 09:51:11 is 5603090.323807499 s in the future tar: ./pidfd/pidfd_test: time stamp 2022-10-11 09:51:11 is 5603090.31172806 s in the future tar: ./pidfd/pidfd_fdinfo_test: time stamp 2022-10-11 09:51:11 is 5603090.298802211 s in the future tar: ./pidfd/pidfd_wait: time stamp 2022-10-11 09:51:11 is 5603090.274967742 s in the future tar: ./pidfd/pidfd_poll_test: time stamp 2022-10-11 09:51:11 is 5603090.26354353 s in the future tar: ./pidfd/pidfd_setns_test: time stamp 2022-10-11 09:51:11 is 5603090.245345499 s in the future tar: ./pidfd/pidfd_open_test: time stamp 2022-10-11 09:51:11 is 5603090.23424112 s in the future tar: ./pidfd: time stamp 2022-10-11 09:51:23 is 5603102.230553348 s in the future tar: ./kselftest-list.txt: time stamp 2022-10-11 09:51:25 is 5603104.220180651 s in the future tar: ./ptrace/peeksiginfo: time stamp 2022-10-11 09:51:12 is 5603091.206776954 s in the future tar: ./ptrace/get_syscall_info: time stamp 2022-10-11 09:51:12 is 5603091.186612348 s in the future tar: ./ptrace/vmaccess: time stamp 2022-10-11 09:51:12 is 5603091.173642939 s in the future tar: ./ptrace: time stamp 2022-10-11 09:51:23 is 5603102.169846151 s in the future tar: ./kselftest/prefix.pl: time stamp 2022-10-11 09:51:18 is 5603097.158769166 s in the future tar: ./kselftest/runner.sh: time stamp 2022-10-11 09:51:18 is 5603097.151089105 s in the future tar: ./kselftest/module.sh: time stamp 2022-10-11 09:51:18 is 5603097.143514908 s in the future tar: ./kselftest: time stamp 2022-10-11 09:51:18 is 5603097.138484787 s in the future tar: ./tpm2/test_space.sh: time stamp 2022-10-11 09:30:02 is 5601821.120101817 s in the future tar: ./tpm2/test_smoke.sh: time stamp 2022-10-11 09:30:02 is 5601821.11195356 s in the future tar: ./tpm2/tpm2.py: time stamp 2022-10-11 09:30:02 is 5601821.101685924 s in the future tar: ./tpm2/tpm2_tests.py: time stamp 2022-10-11 09:30:02 is 5601821.088810075 s in the future tar: ./tpm2: time stamp 2022-10-11 09:51:24 is 5603103.082146711 s in the future tar: .: time stamp 2022-10-11 09:51:25 is 5603104.076505196 s in the future skiplist: ======================================== breakpoints:breakpoint_test breakpoints:step_after_suspend_test ftrace:ftracetest net:rtnetlink.sh net:tls netfilter:bridge_brouter.sh netfilter:nft_flowtable.sh netfilter:nft_trans_stress.sh pidfd:pidfd_wait ======================================== [ 98.412440] 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 [ 99.376603] lkdtm: Performing direct entry BUG [ 99.381472] ------------[ cut here ]------------ [ 99.386103] kernel BUG at drivers/misc/lkdtm/bugs.c:76! [ 99.391338] Internal error: Oops - BUG: 0 [#1] SMP ARM [ 99.396485] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imx_ldb etnaviv dw_hdmi_imx dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 [ 99.425566] CPU: 0 PID: 797 Comm: cat Not tainted 5.10.145-cip17 #1 [ 99.431840] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 99.438391] PC is at lkdtm_BUG+0x14/0x18 [ 99.442326] LR is at lkdtm_do_action+0x2c/0x4c [ 99.446778] pc : [] lr : [] psr: a00e0013 [ 99.453052] sp : c6f19e58 ip : c6f19e68 fp : c6f19e64 [ 99.458283] r10: 00000004 r9 : c1ad01ac r8 : c15e8544 [ 99.463514] r7 : c6f19f60 r6 : 00000004 r5 : c69b6000 r4 : 00000001 [ 99.470048] r3 : c0c2e98c r2 : 6a468b7b r1 : ef7815e0 r0 : c15e854c [ 99.476584] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 99.483729] Control: 10c5387d Table: 16f3804a DAC: 00000051 [ 99.489483] Process cat (pid: 797, stack limit = 0x4eac625e) [ 99.495151] Stack: (0xc6f19e58 to 0xc6f1a000) [ 99.499518] 9e40: c6f19e74 c6f19e68 [ 99.507706] 9e60: c0c2e420 c0c2e998 c6f19e9c c6f19e78 c0c2e920 c0c2e400 c0c2e800 c681ca00 [ 99.515894] 9e80: b6e21000 00000004 c532f240 c6f19f60 c6f19ec4 c6f19ea0 c07f5a58 c0c2e80c [ 99.524081] 9ea0: 00000000 c681ca00 b6e21000 c2816000 c6f19f60 c07f59f4 c6f19f5c c6f19ec8 [ 99.532271] 9ec0: c05986f0 c07f5a00 00000001 00000000 c0598c84 c13a08a0 c0598c84 c6f18000 [ 99.540460] 9ee0: b6e21000 00020000 00000004 00000004 0001fffc c6f19ee0 00000001 b6e20000 [ 99.548648] 9f00: c47eaa00 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 99.556838] 9f20: 00000000 00000000 c13a08a0 6a468b7b c205cb20 c681ca00 c681ca00 c6f18000 [ 99.565027] 9f40: b6e21000 00000000 00000000 00000004 c6f19f94 c6f19f60 c0598c84 c05985f0 [ 99.573216] 9f60: 00000000 00000000 c6f19fac 6a468b7b 00000004 00000004 b6f68e00 00000004 [ 99.581405] 9f80: c03002e4 c6f18000 c6f19fa4 c6f19f98 c0598d14 c0598c1c 00000000 c6f19fa8 [ 99.589593] 9fa0: c03000c0 c0598d08 00000004 00000004 00000001 b6e21000 00000004 00000000 [ 99.597781] 9fc0: 00000004 00000004 b6f68e00 00000004 00000001 00000000 00020000 bedd7a54 [ 99.605970] 9fe0: 00000004 bedd7788 b6ed34cf b6e597e6 800e0030 00000001 00000000 00000000 [ 99.614152] Backtrace: [ 99.616624] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) [ 99.624210] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 99.632234] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 99.640164] r9:c6f19f60 r8:c532f240 r7:00000004 r6:b6e21000 r5:c681ca00 r4:c0c2e800 [ 99.647924] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 99.655765] r9:c07f59f4 r8:c6f19f60 r7:c2816000 r6:b6e21000 r5:c681ca00 r4:00000000 [ 99.663521] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 99.670668] r10:00000004 r9:00000000 r8:00000000 r7:b6e21000 r6:c6f18000 r5:c681ca00 [ 99.678503] r4:c681ca00 [ 99.681050] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 99.688195] r9:c6f18000 r8:c03002e4 r7:00000004 r6:b6f68e00 r5:00000004 r4:00000004 [ 99.695953] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 99.703528] Exception stack(0xc6f19fa8 to 0xc6f19ff0) [ 99.708590] 9fa0: 00000004 00000004 00000001 b6e21000 00000004 00000000 [ 99.716778] 9fc0: 00000004 00000004 b6f68e00 00000004 00000001 00000000 00020000 bedd7a54 [ 99.724962] 9fe0: 00000004 bedd7788 b6ed34cf b6e597e6 [ 99.730026] Code: e92dd800 e24cb004 e52de004 e8bd4000 (e7f001f2) [ 99.736132] ---[ end trace ca4978ee28c71845 ]--- [ 99.740761] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 99.749643] in_atomic(): 0, irqs_disabled(): 128, non_block: 0, pid: 797, name: cat [ 99.757304] INFO: lockdep is turned off. [ 99.761233] irq event stamp: 1602 [ 99.764567] hardirqs last enabled at (1601): [] console_unlock+0x4b0/0x6c0 [ 99.772410] hardirqs last disabled at (1602): [] __und_svc+0x60/0x6c [ 99.779643] softirqs last enabled at (1598): [] __do_softirq+0x378/0x5fc [ 99.787311] softirqs last disabled at (1593): [] __irq_exit_rcu+0x178/0x1d0 [ 99.795151] CPU: 0 PID: 797 Comm: cat Tainted: G D 5.10.145-cip17 #1 [ 99.802813] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 99.809346] Backtrace: [ 99.811824] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 99.819404] r7:ffffffff r6:600e0093 r5:00000000 r4:c1f0f728 [ 99.825078] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 99.832409] [] (dump_stack) from [] (___might_sleep+0x1b0/0x2c0) [ 99.840163] r9:600e0093 r8:0000000b r7:c035bb84 r6:00000031 r5:c19cce14 r4:c6f18000 [ 99.847919] [] (___might_sleep) from [] (__might_sleep+0x70/0xb0) [ 99.855757] r6:00000000 r5:00000031 r4:c19cce14 [ 99.860395] [] (__might_sleep) from [] (exit_signals+0x4c/0x3fc) [ 99.868147] r6:00000001 r5:c6f18000 r4:c5d16c00 [ 99.872786] [] (exit_signals) from [] (do_exit+0x10c/0xb4c) [ 99.880107] r8:0000000b r7:c1e0fc8c r6:ffffe000 r5:00000000 r4:c5d16c00 [ 99.886827] [] (do_exit) from [] (die+0x374/0x380) [ 99.893362] r7:c1e0fc8c [ 99.895908] [] (die) from [] (do_undefinstr+0x170/0x240) [ 99.902968] r10:00000004 r9:c6f18000 r8:c15e8544 r7:00000000 r6:c6f19dc8 r5:c0c2e9a0 [ 99.910804] r4:e7f001f2 [ 99.913352] [] (do_undefinstr) from [] (__und_svc_finish+0x0/0x54) [ 99.921275] Exception stack(0xc6f19dc8 to 0xc6f19e10) [ 99.926338] 9dc0: c15e854c ef7815e0 6a468b7b c0c2e98c 00000001 c69b6000 [ 99.934527] 9de0: 00000004 c6f19f60 c15e8544 c1ad01ac 00000004 c6f19e64 c6f19e68 c6f19e58 [ 99.942712] 9e00: c0c2e420 c0c2e9a0 a00e0013 ffffffff [ 99.947773] r7:c6f19dfc r6:ffffffff r5:a00e0013 r4:c0c2e9a4 [ 99.953451] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) [ 99.961034] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 99.969051] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 99.976979] r9:c6f19f60 r8:c532f240 r7:00000004 r6:b6e21000 r5:c681ca00 r4:c0c2e800 [ 99.984737] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 99.992578] r9:c07f59f4 r8:c6f19f60 r7:c2816000 r6:b6e21000 r5:c681ca00 r4:00000000 [ 100.000333] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 100.007480] r10:00000004 r9:00000000 r8:00000000 r7:b6e21000 r6:c6f18000 r5:c681ca00 [ 100.015315] r4:c681ca00 [ 100.017861] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 100.025009] r9:c6f18000 r8:c03002e4 r7:00000004 r6:b6f68e00 r5:00000004 r4:00000004 [ 100.032765] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 100.040340] Exception stack(0xc6f19fa8 to 0xc6f19ff0) [ 100.045402] 9fa0: 00000004 00000004 00000001 b6e21000 00000004 00000000 [ 100.053590] 9fc0: 00000004 00000004 b6f68e00 00000004 00000001 00000000 00020000 bedd7a54 [ 100.061776] 9fe0: 00000004 bedd7788 b6ed34cf b6e597e6 # Segmentation fault # [ 99.376603] lkdtm: Performing direct entry BUG # [ 99.381472] ------------[ cut here ]------------ # [ 99.386103] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 99.391338] Internal error: Oops - BUG: 0 [#1] SMP ARM # [ 99.396485] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imx_ldb etnaviv dw_hdmi_imx dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 # [ 99.425566] CPU: 0 PID: 797 Comm: cat Not tainted 5.10.145-cip17 #1 # [ 99.431840] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 99.438391] PC is at lkdtm_BUG+0x14/0x18 # [ 99.442326] LR is at lkdtm_do_action+0x2c/0x4c # [ 99.446778] pc : [] lr : [] psr: a00e0013 # [ 99.453052] sp : c6f19e58 ip : c6f19e68 fp : c6f19e64 # [ 99.458283] r10: 00000004 r9 : c1ad01ac r8 : c15e8544 # [ 99.463514] r7 : c6f19f60 r6 : 00000004 r5 : c69b6000 r4 : 00000001 # [ 99.470048] r3 : c0c2e98c r2 : 6a468b7b r1 : ef7815e0 r0 : c15e854c # [ 99.476584] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 99.483729] Control: 10c5387d Table: 16f3804a DAC: 00000051 # [ 99.489483] Process cat (pid: 797, stack limit = 0x4eac625e) # [ 99.495151] Stack: (0xc6f19e58 to 0xc6f1a000) # [ 99.499518] 9e40: c6f19e74 c6f19e68 # [ 99.507706] 9e60: c0c2e420 c0c2e998 c6f19e9c c6f19e78 c0c2e920 c0c2e400 c0c2e800 c681ca00 # [ 99.515894] 9e80: b6e21000 00000004 c532f240 c6f19f60 c6f19ec4 c6f19ea0 c07f5a58 c0c2e80c # [ 99.524081] 9ea0: 00000000 c681ca00 b6e21000 c2816000 c6f19f60 c07f59f4 c6f19f5c c6f19ec8 # [ 99.532271] 9ec0: c05986f0 c07f5a00 00000001 00000000 c0598c84 c13a08a0 c0598c84 c6f18000 # [ 99.540460] 9ee0: b6e21000 00020000 00000004 00000004 0001fffc c6f19ee0 00000001 b6e20000 # [ 99.548648] 9f00: c47eaa00 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 99.556838] 9f20: 00000000 00000000 c13a08a0 6a468b7b c205cb20 c681ca00 c681ca00 c6f18000 # [ 99.565027] 9f40: b6e21000 00000000 00000000 00000004 c6f19f94 c6f19f60 c0598c84 c05985f0 # [ 99.573216] 9f60: 00000000 00000000 c6f19fac 6a468b7b 00000004 00000004 b6f68e00 00000004 # [ 99.581405] 9f80: c03002e4 c6f18000 c6f19fa4 c6f19f98 c0598d14 c0598c1c 00000000 c6f19fa8 # [ 99.589593] 9fa0: c03000c0 c0598d08 00000004 00000004 00000001 b6e21000 00000004 00000000 # [ 99.597781] 9fc0: 00000004 00000004 b6f68e00 00000004 00000001 00000000 00020000 bedd7a54 # [ 99.605970] 9fe0: 00000004 bedd7788 b6ed34cf b6e597e6 800e0030 00000001 00000000 00000000 # [ 99.614152] Backtrace: # [ 99.616624] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) # [ 99.624210] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 99.632234] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 99.640164] r9:c6f19f60 r8:c532f240 r7:00000004 r6:b6e21000 r5:c681ca00 r4:c0c2e800 # [ 99.647924] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 99.655765] r9:c07f59f4 r8:c6f19f60 r7:c2816000 r6:b6e21000 r5:c681ca00 r4:00000000 # [ 99.663521] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 99.670668] r10:00000004 r9:00000000 r8:00000000 r7:b6e21000 r6:c6f18000 r5:c681ca00 # [ 99.678503] r4:c681ca00 # [ 99.681050] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 99.688195] r9:c6f18000 r8:c03002e4 r7:00000004 r6:b6f68e00 r5:00000004 r4:00000004 # [ 99.695953] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 99.703528] Exception stack(0xc6f19fa8 to 0xc6f19ff0) # [ 99.708590] 9fa0: 00000004 00000004 00000001 b6e21000 00000004 00000000 # [ 99.716778] 9fc0: 00000004 00000004 b6f68e00 00000004 00000001 00000000 00020000 bedd7a54 # [ 99.724962] 9fe0: 00000004 bedd7788 b6ed34cf b6e597e6 # [ 99.730026] Code: e92dd800 e24cb004 e52de004 e8bd4000 (e7f001f2) # [ 99.736132] ---[ end trace ca4978ee28c71845 ]--- # [ 99.740761] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 99.749643] in_atomic(): 0, irqs_disabled(): 128, non_block: 0, pid: 797, name: cat # [ 99.757304] INFO: lockdep is turned off. # [ 99.761233] irq event stamp: 1602 # [ 99.764567] hardirqs last enabled at (1601): [] console_unlock+0x4b0/0x6c0 # [ 99.772410] hardirqs last disabled at (1602): [] __und_svc+0x60/0x6c # [ 99.779643] softirqs last enabled at (1598): [] __do_softirq+0x378/0x5fc # [ 99.787311] softirqs last disabled at (1593): [] __irq_exit_rcu+0x178/0x1d0 # [ 99.795151] CPU: 0 PID: 797 Comm: cat Tainted: G D 5.10.145-cip17 #1 # [ 99.802813] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 99.809346] Backtrace: # [ 99.811824] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 99.819404] r7:ffffffff r6:600e0093 r5:00000000 r4:c1f0f728 # [ 99.825078] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 99.832409] [] (dump_stack) from [] (___might_sleep+0x1b0/0x2c0) # [ 99.840163] r9:600e0093 r8:0000000b r7:c035bb84 r6:00000031 r5:c19cce14 r4:c6f18000 # [ 99.847919] [] (___might_sleep) from [] (__might_sleep+0x70/0xb0) # [ 99.855757] r6:00000000 r5:00000031 r4:c19cce14 # [ 99.860395] [] (__might_sleep) from [] (exit_signals+0x4c/0x3fc) # [ 99.868147] r6:00000001 r5:c6f18000 r4:c5d16c00 # [ 99.872786] [] (exit_signals) from [] (do_exit+0x10c/0xb4c) # [ 99.880107] r8:0000000b r7:c1e0fc8c r6:ffffe000 r5:00000000 r4:c5d16c00 # [ 99.886827] [] (do_exit) from [] (die+0x374/0x380) # [ 99.893362] r7:c1e0fc8c # [ 99.895908] [] (die) from [] (do_undefinstr+0x170/0x24[ 100.692320] lkdtm: Performing direct entry WARNING 0) # [ 99.902968] r10:0000000[ 100.699895] ------------[ cut here ]------------ 4 r9:c6f18000 r8:c15e8544 r7:0000[ 100.707494] WARNING: CPU: 1 PID: 868 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x48/0x4c 0000 r6:c6f19dc8 r5:c0c2e9a0 # [[ 100.718727] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imx_ldb etnaviv dw_hdmi_imx dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 99.910804] r4:e7f001f2 # [ [ 100.750449] CPU: 1 PID: 868 Comm: cat Tainted: G D W 5.10.145-cip17 #1 99.913352] [] (do_unde[ 100.760889] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) finstr) from [] (__und_[ 100.770283] Backtrace: svc_finish+0x0/0x54) # [ 99.92[ 100.775615] [] (dump_backtrace) from [] (show_stack+0x20/0x24) 1275] Exception stack(0xc6f19dc8 [ 100.786028] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f728 to 0xc6f19e10) # [ 99.926338] [ 100.794557] [] (show_stack) from [] (dump_stack+0xe0/0x100) 9dc0: c15e854c [ 100.804727] [] (dump_stack) from [] (__warn+0xfc/0x16c) ef7815e0 6a468b7b c0c2e98c 000000[ 100.814542] r9:00000009 r8:c0c2e9ec r7:00000053 r6:00000009 r5:c0c2e9ec r4:c1ad0868 01 c69b6000 # [ 99.934527] 9de[ 100.825145] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) 0: 00000004 c6f19f60 c15e8544 c1a[ 100.835487] r7:00000053 r6:c1ad0868 r5:00000000 r4:c68aa000 d01ac 00000004 c6f19e64 c6f19e68 [ 100.844016] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING+0x48/0x4c) c6f19e58 # [ 99.942712] 9e00: [ 100.854960] r9:c1ad01b0 r8:c15e8544 r7:c68abf60 r6:00000008 r5:c6897000 r4:00000002 c0c2e420 c0c2e9a0 a00e0013 ffffff[ 100.865569] [] (lkdtm_WARNING) from [] (lkdtm_do_action+0x2c/0x4c) ff # [ 99.947773] r7:c6f19dfc[ 100.876346] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) r6:ffffffff r5:a00e0013 r4:c0c2e[ 100.887214] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) 9a4 # [ 99.953451] [[ 100.897984] r9:c68abf60 r8:c532f240 r7:00000008 r6:b6eaa000 r5:c5a9f040 r4:c0c2e800 ] (lkdtm_BUG) from [] ([ 100.908594] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) lkdtm_do_action+0x2c/0x4c) # [ [ 100.919279] r9:c07f59f4 r8:c68abf60 r7:c2816000 r6:b6eaa000 r5:c5a9f040 r4:00000000 99.961034] [] (lkdtm_d[ 100.929883] [] (vfs_write) from [] (ksys_write+0x74/0xec) o_action) from [] (dire[ 100.939878] r10:00000004 r9:00000000 r8:00000000 r7:b6eaa000 r6:c68aa000 r5:c5a9f040 ct_entry+0x120/0x18c) # [ 99.9[ 100.950565] r4:c5a9f040 69051] [] (direct_entry[ 100.955970] [] (ksys_write) from [] (sys_write+0x18/0x1c) ) from [] (full_proxy_w[ 100.965963] r9:c68aa000 r8:c03002e4 r7:00000004 r6:b6ff1e00 r5:00000008 r4:00000008 rite+0x64/0x94) [ 100.976572] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 99.976979] r9:c6f19f60 r8:[ 100.985605] Exception stack(0xc68abfa8 to 0xc68abff0) c532f240 r7:00000004 r6:b6e21000 [ 100.993523] bfa0: 00000008 00000008 00000001 b6eaa000 00000008 00000000 r5:c681ca00 r4:c0c2e800 [ 101.004561] bfc0: 00000008 00000008 b6ff1e00 00000004 00000001 00000000 00020000 bec83a54 # [ 99.984737] [] (fu[ 101.014900] bfe0: 00000004 bec83788 b6f5c4cf b6ee27e6 ll_proxy_write) from [][ 101.022903] irq event stamp: 0 (vfs_write+0x10c/0x524) # [ 9[ 101.028741] hardirqs last enabled at (0): [<00000000>] 0x0 9.992578] r9:c07f59f4 r8:c6f19f6[ 101.037234] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c 0 r7:c2816000 r6:b6e21000 r5:c681[ 101.047553] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c ca00 r4:00000000 # [ 100.000333[ 101.057903] softirqs last disabled at (0): [<00000000>] 0x0 ] [] (vfs_write) from [[ 101.066359] ---[ end trace ca4978ee28c71846 ]--- ] (ksys_write+0x74/0xec) # [ 100.007480] r10:00000004 r9:00000000 r8:00000000 r7:b6e21000 r6:c6f18000 r5:c681ca00 # [ 100.015315] r4:c681ca00 # [ 100.017861] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 100.025009] r9:c6f18000 r8:c03002e4 r7:00000004 r6:b6f68e00 r5:00000004 r4:00000004 # [ 100.032765] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 100.040340] Exception stack(0xc6f19fa8 to 0xc6f19ff0) # [ 100.045402] 9fa0: 00000004 00000004 00000001 b6e21000 00000004 00000000 # [ 100.053590] 9fc0: 00000004 00000004 b6f68e00 00000004 00000001 00000000 00020000 bedd7a54 # [ 100.061776] 9fe0: 00000004 bedd7788 b6ed34cf b6e597e6 # BUG: saw 'kernel BUG at': ok ok 2 selftests: lkdtm: BUG.sh # selftests: lkdtm: WARNING.sh # [ 100.692320] lkdtm: Performing direct entry WARNING # [ 100.699895] ------------[ cut here ]------------ # [ 100.707494] WARNING: CPU: 1 PID: 868 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x48/0x4c # [ 100.718727] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imx_ldb etnaviv dw_hdmi_imx dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 # [ 100.750449] CPU: 1 PID: 868 Comm: cat Tainted: G D W 5.10.145-cip17 #1 # [ 100.760889] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 100.770283] Backtrace: # [ 100.775615] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 100.786028] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f728 # [ 100.794557] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 100.804727] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 100.814542] r9:00000009 r8:c0c2e9ec r7:00000053 r6:00000009 r5:c0c2e9ec r4:c1ad0868 # [ 100.825145] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 100.835487] r7:00000053 r6:c1ad0868 r5:00000000 r4:c68aa000 # [ 100.844016] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING+0x48/0x4c) # [ 100.854960] r9:c1ad01b0 r8:c15e8544 r7:c68abf60 r6:00000008 r5:c6897000 r4:00000002 # [ 100.865569] [] (lkdtm_WARNING) from [] (lkdtm_do_action+0x2c/0x4c) # [ 100.876346] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 100.887214] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 100.897984] r9:c68abf60 r8:c532f240 r7:00000008 r6:b6eaa000 r5:c5a9f040 r4:c0c2e800 # [ 100.908594] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 100.919279] r9:c07f59f4 r8:c68abf60 r7:c2816000 r6:b6eaa000 r5:c5a9f040 r4:00000000 # [ 100.929883] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 100.939878] r10:00000004 r9:00000000 r8:00000000 r7:b6eaa000 r6:c68aa000 r5:c5a9f040 # [ 100.950565] r4:c5a9f040 # [ 100.955970] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 100.965963] r9:c68aa000 r8:c03002e4 r7:00000004 r6:b6ff1e00 r5:00000008 r4:00000008 # [ 100.976572] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 100.985605] Exception stack(0xc68abfa8 to 0xc68abff0) # [ 100.993523] bfa0: 00000008 00000008 00000001 b6eaa000 00000008 00000000 # [ 101.004561] bfc0: 00000008 00000008 b6ff1e00 00000004 00000001 00000000 00020000 bec83a54 # [ 101.014900] bfe0: 00000004 bec83788 b6f5c4cf b6ee27e6 # [ 101.022903] irq event stamp: 0 # [ 101.028741] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 101.037234] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 101.047553] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 101.057903] softirqs last disabled at (0): [<00000000>] 0x0 # [ 101.066359] ---[ end trace ca4978ee28c71846 ]--- # WARNING: saw 'WARNING:': ok ok 3 selftests: lkdtm: WARNING.sh # selftests: lkdtm: WARNING_MESSAGE.sh [ 101.483964] lkdtm: Performing direct entry WARNING_MESSAGE [ 101.489475] ------------[ cut here ]------------ [ 101.494208] WARNING: CPU: 1 PID: 903 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x4c/0x54 [ 101.503414] Warning message trigger count: 2 [ 101.507698] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imx_ldb etnaviv dw_hdmi_imx dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 [ 101.536948] CPU: 1 PID: 903 Comm: cat Tainted: G D W 5.10.145-cip17 #1 [ 101.544615] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 101.551148] Backtrace: [ 101.553633] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 101.561217] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f728 [ 101.566892] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 101.574221] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 101.581195] r9:00000009 r8:c0c2ea3c r7:00000058 r6:00000009 r5:c0c2ea3c r4:c1ad0868 [ 101.588953] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 101.596444] r7:00000058 r6:c1ad0868 r5:c1ad0884 r4:c6f18000 [ 101.602119] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING_MESSAGE+0x4c/0x54) [ 101.610914] r9:c1ad01b8 r8:c15e8544 r7:c6f19f60 r6:00000010 r5:c6cd8000 r4:00000003 [ 101.618673] [] (lkdtm_WARNING_MESSAGE) from [] (lkdtm_do_action+0x2c/0x4c) [ 101.627299] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 101.635320] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 101.643247] r9:c6f19f60 r8:c532f240 r7:00000010 r6:b6e36000 r5:c5a9e640 r4:c0c2e800 [ 101.651009] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 101.658850] r9:c07f59f4 r8:c6f19f60 r7:c2816000 r6:b6e36000 r5:c5a9e640 r4:00000000 [ 101.666604] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 101.673750] r10:00000004 r9:00000000 r8:00000000 r7:b6e36000 r6:c6f18000 r5:c5a9e640 [ 101.681585] r4:c5a9e640 [ 101.684132] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 101.691280] r9:c6f18000 r8:c03002e4 r7:00000004 r6:b6f7de00 r5:00000010 r4:00000010 [ 101.699038] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 101.706616] Exception stack(0xc6f19fa8 to 0xc6f19ff0) [ 101.711682] 9fa0: 00000010 00000010 00000001 b6e36000 00000010 00000000 [ 101.719872] 9fc0: 00000010 00000010 b6f7de00 00000004 00000001 00000000 00020000 be87da54 [ 101.728058] 9fe0: 00000004 be87d788 b6ee84cf b6e6e7e6 [ 101.733219] irq event stamp: 0 [ 101.736297] hardirqs last enabled at (0): [<00000000>] 0x0 [ 101.741928] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 101.749435] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 101.757009] softirqs last disabled at (0): [<00000000>] 0x0 [ 101.762649] ---[ end trace ca4978ee28c71847 ]--- # [ 101.483964] lkdtm: Performing direct entry WARNING_MESSAGE # [ 101.489475] ------------[ cut here ]------------ # [ 101.494208] WARNING: CPU: 1 PID: 903 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x4c/0x54 # [ 101.503414] Warning message trigger count: 2 # [ 101.507698] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imx_ldb etnaviv dw_hdmi_imx dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 # [ 101.536948] CPU: 1 PID: 903 Comm: cat Tainted: G D W 5.10.145-cip17 #1 # [ 101.544615] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 101.551148] Backtrace: # [ 101.553633] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 101.561217] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f728 # [ 101.566892] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 101.574221] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 101.581195] r9:00000009 r8:c0c2ea3c r7:00000058 r6:00000009 r5:c0c2ea3c r4:c1ad0868 # [ 101.588953] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 101.596444] r7:00000058 r6:c1ad0868 r5:c1ad0884 r4:c6f18000 # [ 101.602119] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING_MESSAGE+0x4c/0x54) # [ 101.610914] r9:c1ad01b8 r8:c15e8544 r7:c6f19f60 r6:00000010 r5:c6cd8000 r4:00000003 # [ 101.618673] [] (lkdtm_WARNING_MESSAGE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 101.627299] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 101.635320] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 101.643247] r9:c6f19f60 r8:c532f240 r7:00000010 r6:b6e36000 r5:c5a9e640 r4:c0c2e800 # [ 101.651009] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 101.658850] r9:c07f59f4 r8:c6f19f60 r7:c2816000 r6:b6e36000 r5:c5a9e640 r4:00000000 # [ 101.666604] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 101.673750] r10:00000004 r9:00000000 r8:00000000 r7:b6e36000 r6:c6f18000 r5:c5a9e640 # [ 101.681585] r4:c5a9e640 # [ 101.684132] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 101.691280] r9:c6f18000 r8:c03002e4 r7:00000004 r6:b6f7de00 r5:00000010 r4:00000010 # [ 101.699038] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 101.706616] Exception stack(0xc6f19fa8 to 0xc6f19ff0) # [ 101.711682] 9fa0: 00000010 00000010 00000001 b6e36000 00000010 00000000 # [ 101.719872] 9fc0: 00000010 00000010 b6f7de00 00000004 00000001 00000000 00020000 be87da54 # [ 101.728058] 9fe0: 00000004 be87d788 b6ee84cf b6e6e7e6 # [ 101.733219] irq event stamp: 0 # [ 101.736297] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 101.741928] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 101.749435] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 101.757009] softirqs last disabled at (0): [<00000000>] 0x0 # [ 101.762649] ---[ end trace ca4978ee28c71847 ]--- # WARNING_MESSAGE: saw 'message trigger': ok ok 4 selftests: lkdtm: WARNING_MESSAGE.sh # selftests: lkdtm: EXCEPTION.sh [ 102.153180] lkdtm: Performing direct entry EXCEPTION [ 102.158179] 8<--- cut here --- [ 102.161331] Unable to handle kernel NULL pointer dereference at virtual address 00000000 [ 102.169443] pgd = f84e836a [ 102.172283] [00000000] *pgd=00000000 [ 102.175894] Internal error: Oops: 805 [#2] SMP ARM [ 102.180698] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imx_ldb etnaviv dw_hdmi_imx dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 [ 102.209754] CPU: 1 PID: 935 Comm: cat Tainted: G D W 5.10.145-cip17 #1 [ 102.217418] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 102.223970] PC is at lkdtm_EXCEPTION+0x18/0x20 [ 102.228426] LR is at lkdtm_do_action+0x2c/0x4c [ 102.232876] pc : [] lr : [] psr: a00e0013 [ 102.239150] sp : c6c7fe58 ip : c6c7fe68 fp : c6c7fe64 [ 102.244382] r10: 0000000a r9 : c1ad01c8 r8 : c15e8544 [ 102.249616] r7 : c6c7ff60 r6 : 0000000a r5 : c6897000 r4 : 00000004 [ 102.256150] r3 : 00000000 r2 : 10e0f2b8 r1 : ef7965e0 r0 : c15e8564 [ 102.262687] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 102.269829] Control: 10c5387d Table: 16fec04a DAC: 00000051 [ 102.275585] Process cat (pid: 935, stack limit = 0x1fcee449) [ 102.281254] Stack: (0xc6c7fe58 to 0xc6c80000) [ 102.285622] fe40: c6c7fe74 c6c7fe68 [ 102.293812] fe60: c0c2e420 c0c2ea50 c6c7fe9c c6c7fe78 c0c2e920 c0c2e400 c0c2e800 c6aa03c0 [ 102.302001] fe80: b6e00000 0000000a c532f240 c6c7ff60 c6c7fec4 c6c7fea0 c07f5a58 c0c2e80c [ 102.310190] fea0: 00000000 c6aa03c0 b6e00000 c2816000 c6c7ff60 c07f59f4 c6c7ff5c c6c7fec8 [ 102.318379] fec0: c05986f0 c07f5a00 00000001 00000000 c0598c84 c59d0b64 c0598c84 c6c7e000 [ 102.326568] fee0: b6e00000 00020000 00000004 0000000a 0001fff6 c6c7fee0 00000001 00000805 [ 102.334755] ff00: c6aa3540 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 102.342944] ff20: 00000000 00000000 c6c7e000 10e0f2b8 b6dff000 c6aa03c0 c6aa03c0 c6c7e000 [ 102.351132] ff40: b6e00000 00000000 00000000 00000004 c6c7ff94 c6c7ff60 c0598c84 c05985f0 [ 102.359320] ff60: 00000000 00000000 c6c7ffac 10e0f2b8 0000000a 0000000a b6f47e00 00000004 [ 102.367509] ff80: c03002e4 c6c7e000 c6c7ffa4 c6c7ff98 c0598d14 c0598c1c 00000000 c6c7ffa8 [ 102.375696] ffa0: c03000c0 c0598d08 0000000a 0000000a 00000001 b6e00000 0000000a 00000000 [ 102.383885] ffc0: 0000000a 0000000a b6f47e00 00000004 00000001 00000000 00020000 bef1ea54 [ 102.392072] ffe0: 00000004 bef1e788 b6eb24cf b6e387e6 800e0030 00000001 00000000 00000000 [ 102.400253] Backtrace: [ 102.402726] [] (lkdtm_EXCEPTION) from [] (lkdtm_do_action+0x2c/0x4c) [ 102.410834] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 102.418857] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 102.426789] r9:c6c7ff60 r8:c532f240 r7:0000000a r6:b6e00000 r5:c6aa03c0 r4:c0c2e800 [ 102.434551] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 102.442393] r9:c07f59f4 r8:c6c7ff60 r7:c2816000 r6:b6e00000 r5:c6aa03c0 r4:00000000 [ 102.450150] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 102.457296] r10:00000004 r9:00000000 r8:00000000 r7:b6e00000 r6:c6c7e000 r5:c6aa03c0 [ 102.465131] r4:c6aa03c0 [ 102.467680] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 102.474826] r9:c6c7e000 r8:c03002e4 r7:00000004 r6:b6f47e00 r5:0000000a r4:0000000a [ 102.482586] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 102.490162] Exception stack(0xc6c7ffa8 to 0xc6c7fff0) [ 102.495225] ffa0: 0000000a 0000000a 00000001 b6e00000 0000000a 00000000 [ 102.503415] ffc0: 0000000a 0000000a b6f47e00 00000004 00000001 00000000 00020000 bef1ea54 [ 102.511600] ffe0: 00000004 bef1e788 b6eb24cf b6e387e6 [ 102.516665] Code: e24cb004 e52de004 e8bd4000 e3a03000 (e5833000) [ 102.522875] ---[ end trace ca4978ee28c71848 ]--- # Segmentation fault # [ 102.153180] lkdtm: Performing direct entry EXCEPTION # [ 102.158179] 8<--- cut here --- # [ 102.161331] Unable to handle kernel NULL pointer dereference at virtual address 00000000 # [ 102.169443] pgd = f84e836a # [ 102.172283] [00000000] *pgd=00000000 # [ 102.175894] Internal error: Oops: 805 [#2] SMP ARM # [ 102.180698] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imx_ldb etnaviv dw_hdmi_imx dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 # [ 102.209754] CPU: 1 PID: 935 Comm: cat Tainted: G D W 5.10.145-cip17 #1 # [ 102.217418] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 102.223970] PC is at lkdtm_EXCEPTION+0x18/0x20 # [ 102.228426] LR is at lkdtm_do_action+0x2c/0x4c # [ 102.232876] pc : [] lr : [] psr: a00e0013 # [ 102.239150] sp : c6c7fe58 ip : c6c7fe68 fp : c6c7fe64 # [ 102.244382] r10: 0000000a r9 : c1ad01c8 r8 : c15e8544 # [ 102.249616] r7 : c6c7ff60 r6 : 0000000a r5 : c6897000 r4 : 00000004 # [ 102.256150] r3 : 00000000 r2 : 10e0f2b8 r1 : ef7965e0 r0 : c15e8564 # [ 102.262687] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 102.269829] Control: 10c5387d Table: 16fec04a DAC: 00000051 # [ 102.275585] Process cat (pid: 935, stack limit = 0x1fcee449) # [ 102.281254] Stack: (0xc6c7fe58 to 0xc6c80000) # [ 102.285622] fe40: c6c7fe74 c6c7fe68 # [ 102.293812] fe60: c0c2e420 c0c2ea50 c6c7fe9c c6c7fe78 c0c2e920 c0c2e400 c0c2e800 c6aa03c0 # [ 102.302001] fe80: b6e00000 0000000a c532f240 c6c7ff60 c6c7fec4 c6c7fea0 c07f5a58 c0c2e80c # [ 102.310190] fea0: 00000000 c6aa03c0 b6e00000 c2816000 c6c7ff60 c07f59f4 c6c7ff5c c6c7fec8 # [ 102.318379] fec0: c05986f0 c07f5a00 00000001 00000000 c0598c84 c59d0b64 c0598c84 c6c7e000 # [ 102.326568] fee0: b6e00000 00020000 00000004 0000000a 0001fff6 c6c7fee0 00000001 00000805 # [ 102.334755] ff00: c6aa3540 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 102.342944] ff20: 00000000 00000000 c6c7e000 10e0f2b8 b6dff000 c6aa03c0 c6aa03c0 c6c7e000 # [ 102.351132] ff40: b6e00000 00000000 00000000 00000004 c6c7ff94 c6c7ff60 c0598c84 c05985f0 # [ 102.359320] ff60: 00000000 00000000 c6c7ffac 10e0f2b8 0000000a 0000000a b6f47e00 00000004 # [ 102.367509] ff80: c03002e4 c6c7e000 c6c7ffa4 c6c7ff98 c0598d14 c0598c1c 00000000 c6c7ffa8 # [ 102.375696] ffa0: c03000c0 c0598d08 0000000a 0000000a 00000001 b6e00000 0000000a 00000000 # [ 102.383885] ffc0: 0000000a 0000000a b6f47e00 00000004 00000001 00000000 00020000 bef1ea54 # [ 102.392072] ffe0: 00000004 bef1e788 b6eb24cf b6e387e6 800e0030 00000001 00000000 00000000 # [ 102.400253] Backtrace: # [ 102.402726] [] (lkdtm_EXCEPTION) from [] (lkdtm_do_action+0x2c/0x4c) # [ 102.410834] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 102.418857] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 102.426789] r9:c6c7ff60 r8:c532f240 r7:0000000a r6:b6e00000 r5:c6aa03c0 r4:c0c2e800 # [ 102.434551] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 102.442393] r9:c07f59f4 r8:c6c7ff60 r7:c2816000 r6:b6e00000 r5:c6aa03c0 r4:00000000 # [ 102.450150] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 102.457296] r10:00000004 r9:00000000 r8:00000000 r7:b6e00000 r6:c6c7e000 r5:c6aa03c0 # [ 102.465131] r4:c6aa03c0 # [ 102.467680] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 102.474826] r9:c6c7e000 r8:c03002e4 r7:00000004 r6:b6f47e00 r5:0000000a r4:0000000a # [ 102.482586] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 102.490162] Exception stack(0xc6c7ffa8 to 0xc6c7fff0) # [ 102.495225] ffa0: 0000000a 0000000a 00000001 b6e00000 0000000a 00000000 # [ 102.503415] ffc0: 0000000a 0000000a b6f47e00 00000004 00000001 00000000 00020000 bef1ea54 # [ 102.511600] ffe0: 00000004 bef1e788 b6eb24cf b6e387e6 # [ 102.516665] Code: e24cb004 e52de004 e8bd4000 e3a03000 (e5833000) # [ 102.522875] ---[ end trace ca4978ee28c71848 ]--- # 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 [ 103.917316] lkdtm: Performing direct entry CORRUPT_LIST_ADD [ 103.923071] lkdtm: attempting good list addition [ 103.927722] lkdtm: attempting corrupted list addition [ 103.932845] lkdtm: list_add() corruption not detected! # [ 103.917316] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 103.923071] lkdtm: attempting good list addition # [ 103.927722] lkdtm: attempting corrupted list addition # [ 103.932845] 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 [ 104.359362] lkdtm: Performing direct entry CORRUPT_LIST_DEL [ 104.365047] lkdtm: attempting good list removal [ 104.369593] lkdtm: attempting corrupted list removal [ 104.374642] lkdtm: list_del() corruption not detected! # [ 104.359362] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 104.365047] lkdtm: attempting good list removal # [ 104.369593] lkdtm: attempting corrupted list removal # [ 104.374642] 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 [ 104.753348] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING [ 104.759640] lkdtm: attempting bad read from page below current stack [ 104.766088] lkdtm: FAIL: accessed page before stack! (byte: 0) # [ 104.753348] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 104.759640] lkdtm: attempting bad read from page below current stack # [ 104.766088] 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 [ 105.169055] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING [ 105.175588] lkdtm: attempting bad read from page above current stack [ 105.182082] lkdtm: FAIL: accessed page after stack! (byte: 0) # [ 105.169055] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING # [ 105.175588] lkdtm: attempting bad read from page above current stack # [ 105.182082] lkdtm: FAIL: accessed page after stack! (byte: 0) # STACK_GUARD_PAGE_TRAILING: missing 'call trace:': [FAIL] not ok 13 selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # exit=1 # selftests: lkdtm: UNSET_SMEP.sh [ 105.575030] lkdtm: Performing direct entry UNSET_SMEP [ 105.580106] lkdtm: XFAIL: this test is x86_64-only # [ 105.575030] lkdtm: Performing direct entry UNSET_SMEP # [ 105.580106] 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 [ 105.977000] lkdtm: Performing direct entry DOUBLE_FAULT [ 105.982404] lkdtm: XFAIL: this test is ia32-only # [ 105.977000] lkdtm: Performing direct entry DOUBLE_FAULT # [ 105.982404] 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 [ 106.376384] lkdtm: Performing direct entry CORRUPT_PAC [ 106.381599] lkdtm: XFAIL: this test is arm64-only # [ 106.376384] lkdtm: Performing direct entry CORRUPT_PAC # [ 106.381599] 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 [ 106.791352] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE [ 106.797818] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS # [ 106.791352] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # [ 106.797818] 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 [ 107.666569] lkdtm: Performing direct entry READ_AFTER_FREE [ 107.672165] lkdtm: Value in memory before free: 12345678 [ 107.677492] lkdtm: Attempting bad read from freed memory [ 107.682859] lkdtm: Memory was not poisoned # [ 107.666569] lkdtm: Performing direct entry READ_AFTER_FREE # [ 107.672165] lkdtm: Value in memory before free: 12345678 # [ 107.677492] lkdtm: Attempting bad read from freed memory # [ 107.682859] 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 [ 108.280813] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE [ 108.287066] lkdtm: Value in memory before free: 12345678 [ 108.292478] lkdtm: Attempting to read from freed memory [ 108.297719] lkdtm: Buddy page was not poisoned # [ 108.280813] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE # [ 108.287066] lkdtm: Value in memory before free: 12345678 # [ 108.292478] lkdtm: Attempting to read from freed memory # [ 108.297719] 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 [ 108.686550] lkdtm: Performing direct entry SLAB_FREE_DOUBLE [ 108.692255] lkdtm: Attempting double slab free ... # [ 108.686550] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 108.692255] 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 [ 109.084391] lkdtm: Performing direct entry SLAB_FREE_CROSS [ 109.089917] lkdtm: Attempting cross-cache slab free ... # [ 109.084391] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 109.089917] 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 [ 109.501195] lkdtm: Performing direct entry SLAB_FREE_PAGE [ 109.506652] lkdtm: Attempting non-Slab slab free ... # [ 109.501195] lkdtm: Performing direct entry SLAB_FREE_PAGE # [ 109.506652] 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 [ 110.782742] lkdtm: Performing direct entry EXEC_DATA [ 110.787735] lkdtm: attempting ok execution at c0c2f190 [ 110.793019] lkdtm: attempting bad execution at c26f774c [ 110.798268] 8<--- cut here --- [ 110.801334] Unable to handle kernel paging request at virtual address c26f774c [ 110.808566] pgd = 3d1d8544 [ 110.811279] [c26f774c] *pgd=1261141e(bad) [ 110.815315] Internal error: Oops: 8000000d [#3] SMP ARM [ 110.820549] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imx_ldb etnaviv dw_hdmi_imx dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 [ 110.849624] CPU: 0 PID: 1778 Comm: cat Tainted: G D W 5.10.145-cip17 #1 [ 110.857374] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 110.863917] PC is at data_area+0x0/0x40 [ 110.867767] LR is at execute_location+0xa4/0xb4 [ 110.872308] pc : [] lr : [] psr: 600e0013 [ 110.878582] sp : c6c51e38 ip : 00000027 fp : c6c51e54 [ 110.883813] r10: 0000000a r9 : c1ad03ac r8 : c15e8544 [ 110.889045] r7 : c6c51f60 r6 : 00000001 r5 : c26f774c r4 : c0c2f190 [ 110.895578] r3 : 2b358972 r2 : 2b358972 r1 : ef7815e4 r0 : 0000002b [ 110.902115] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 110.909257] Control: 10c5387d Table: 16f0004a DAC: 00000051 [ 110.915011] Process cat (pid: 1778, stack limit = 0x2ba7a024) [ 110.920765] Stack: (0xc6c51e38 to 0xc6c52000) [ 110.925132] 1e20: 0000001f c6c87000 [ 110.933321] 1e40: 0000000a c6c51f60 c6c51e64 c6c51e58 c138b248 c138b044 c6c51e74 c6c51e68 [ 110.941509] 1e60: c0c2e420 c138b230 c6c51e9c c6c51e78 c0c2e920 c0c2e400 c0c2e800 c5b38a00 [ 110.949696] 1e80: b6dd5000 0000000a c532f240 c6c51f60 c6c51ec4 c6c51ea0 c07f5a58 c0c2e80c [ 110.957885] 1ea0: 00000000 c5b38a00 b6dd5000 c2816000 c6c51f60 c07f59f4 c6c51f5c c6c51ec8 [ 110.966071] 1ec0: c05986f0 c07f5a00 00000001 00000000 c0598c84 c13a08a0 c0598c84 c6c50000 [ 110.974260] 1ee0: b6dd5000 00020000 00000004 0000000a 0001fff6 c6c51ee0 00000001 b6dd4000 [ 110.982447] 1f00: c5abcf00 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 110.990635] 1f20: 00000000 00000000 c13a08a0 2b358972 c205cb20 c5b38a00 c5b38a00 c6c50000 [ 110.998824] 1f40: b6dd5000 00000000 00000000 00000004 c6c51f94 c6c51f60 c0598c84 c05985f0 [ 111.007012] 1f60: 00000000 00000000 c6c51fac 2b358972 0000000a 0000000a b6f1ce00 00000004 [ 111.015200] 1f80: c03002e4 c6c50000 c6c51fa4 c6c51f98 c0598d14 c0598c1c 00000000 c6c51fa8 [ 111.023387] 1fa0: c03000c0 c0598d08 0000000a 0000000a 00000001 b6dd5000 0000000a 00000000 [ 111.031576] 1fc0: 0000000a 0000000a b6f1ce00 00000004 00000001 00000000 00020000 beb8ba54 [ 111.039764] 1fe0: 00000004 beb8b788 b6e874cf b6e0d7e6 800e0030 00000001 00000000 00000000 [ 111.047946] Backtrace: [ 111.050417] [] (execute_location) from [] (lkdtm_EXEC_DATA+0x24/0x28) [ 111.058607] r7:c6c51f60 r6:0000000a r5:c6c87000 r4:0000001f [ 111.064289] [] (lkdtm_EXEC_DATA) from [] (lkdtm_do_action+0x2c/0x4c) [ 111.072398] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 111.080419] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 111.088348] r9:c6c51f60 r8:c532f240 r7:0000000a r6:b6dd5000 r5:c5b38a00 r4:c0c2e800 [ 111.096110] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 111.103955] r9:c07f59f4 r8:c6c51f60 r7:c2816000 r6:b6dd5000 r5:c5b38a00 r4:00000000 [ 111.111712] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 111.118859] r10:00000004 r9:00000000 r8:00000000 r7:b6dd5000 r6:c6c50000 r5:c5b38a00 [ 111.126694] r4:c5b38a00 [ 111.129241] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 111.136387] r9:c6c50000 r8:c03002e4 r7:00000004 r6:b6f1ce00 r5:0000000a r4:0000000a [ 111.144144] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 111.151720] Exception stack(0xc6c51fa8 to 0xc6c51ff0) [ 111.156781] 1fa0: 0000000a 0000000a 00000001 b6dd5000 0000000a 00000000 [ 111.164969] 1fc0: 0000000a 0000000a b6f1ce00 00000004 00000001 00000000 00020000 beb8ba54 [ 111.173154] 1fe0: 00000004 beb8b788 b6e874cf b6e0d7e6 [ 111.178217] Code: 00000000 c4031480 c4031540 c4031600 (e1a0c00d) [ 111.184323] ---[ end trace ca4978ee28c71849 ]--- # Segmentation fault # [ 110.782742] lkdtm: Performing direct entry EXEC_DATA # [ 110.787735] lkdtm: attempting ok execution at c0c2f190 # [ 110.793019] lkdtm: attempting bad execution at c26f774c # [ 110.798268] 8<--- cut here --- # [ 110.801334] Unable to handle kernel paging request at virtual address c26f774c # [ 110.808566] pgd = 3d1d8544 # [ 110.811279] [c26f774c] *pgd=1261141e(bad) # [ 110.815315] Internal error: Oops: 8000000d [#3] SMP ARM # [ 110.820549] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imx_ldb etnaviv dw_hdmi_imx dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 # [ 110.849624] CPU: 0 PID: 1778 Comm: cat Tainted: G D W 5.10.145-cip17 #1 # [ 110.857374] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 110.863917] PC is at data_area+0x0/0x40 # [ 110.867767] LR is at execute_location+0xa4/0xb4 # [ 110.872308] pc : [] lr : [] psr: 600e0013 # [ 110.878582] sp : c6c51e38 ip : 00000027 fp : c6c51e54 # [ 110.883813] r10: 0000000a r9 : c1ad03ac r8 : c15e8544 # [ 110.889045] r7 : c6c51f60 r6 : 00000001 r5 : c26f774c r4 : c0c2f190 # [ 110.895578] r3 : 2b358972 r2 : 2b358972 r1 : ef7815e4 r0 : 0000002b # [ 110.902115] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 110.909257] Control: 10c5387d Table: 16f0004a DAC: 00000051 # [ 110.915011] Process cat (pid: 1778, stack limit = 0x2ba7a024) # [ 110.920765] Stack: (0xc6c51e38 to 0xc6c52000) # [ 110.925132] 1e20: 0000001f c6c87000 # [ 110.933321] 1e40: 0000000a c6c51f60 c6c51e64 c6c51e58 c138b248 c138b044 c6c51e74 c6c51e68 # [ 110.941509] 1e60: c0c2e420 c138b230 c6c51e9c c6c51e78 c0c2e920 c0c2e400 c0c2e800 c5b38a00 # [ 110.949696] 1e80: b6dd5000 0000000a c532f240 c6c51f60 c6c51ec4 c6c51ea0 c07f5a58 c0c2e80c # [ 110.957885] 1ea0: 00000000 c5b38a00 b6dd5000 c2816000 c6c51f60 c07f59f4 c6c51f5c c6c51ec8 # [ 110.966071] 1ec0: c05986f0 c07f5a00 00000001 00000000 c0598c84 c13a08a0 c0598c84 c6c50000 # [ 110.974260] 1ee0: b6dd5000 00020000 00000004 0000000a 0001fff6 c6c51ee0 00000001 b6dd4000 # [ 110.982447] 1f00: c5abcf00 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 110.990635] 1f20: 00000000 00000000 c13a08a0 2b358972 c205cb20 c5b38a00 c5b38a00 c6c50000 # [ 110.998824] 1f40: b6dd5000 00000000 00000000 00000004 c6c51f94 c6c51f60 c0598c84 c05985f0 # [ 111.007012] 1f60: 00000000 00000000 c6c51fac 2b358972 0000000a 0000000a b6f1ce00 00000004 # [ 111.015200] 1f80: c03002e4 c6c50000 c6c51fa4 c6c51f98 c0598d14 c0598c1c 00000000 c6c51fa8 # [ 111.023387] 1fa0: c03000c0 c0598d08 0000000a 0000000a 00000001 b6dd5000 0000000a 00000000 # [ 111.031576] 1fc0: 0000000a 0000000a b6f1ce00 00000004 00000001 00000000 00020000 beb8ba54 # [ 111.039764] 1fe0: 00000004 beb8b788 b6e874cf b6e0d7e6 800e0030 00000001 00000000 00000000 # [ 111.047946] Backtrace: # [ 111.050417] [] (execute_location) from [] (lkdtm_EXEC_DATA+0x24/0x28) # [ 111.058607] r7:c6c51f60 r6:0000000a r5:c6c87000 r4:0000001f # [ 111.064289] [] (lkdtm_EXEC_DATA) from [] (lkdtm_do_action+0x2c/0x4c) # [ 111.072398] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 111.080419] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 111.088348] r9:c6c51f60 r8:c532f240 r7:0000000a r6:b6dd5000 r5:c5b38a00 r4:c0c2e800 # [ 111.096110] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 111.103955] r9:c07f59f4 r8:c6c51f60 r7:c2816000 r6:b6dd5000 r5:c5b38a00 r4:00000000 # [ 111.111712] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 111.118859] r10:00000004 r9:00000000 r8:00000000 r7:b6dd5000 r6:c6c50000 r5:c5b38a00 # [ 111.126694] r4:c5b38a00 # [ 111.129241] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 111.136387] r9:c6c50000 r8:c03002e4 r7:00000004 r6:b6f1ce00 r5:0000000a r4:0000000a # [ 111.144144] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 111.151720] Exception stack(0xc6c51fa8 to 0xc6c51ff0) # [ 111.156781] 1fa0: 0000000a 0000000a 00000001 b6dd5000 0000000a 00000000 # [ 111.164969] 1fc0: 0000000a 0000000a b6f1ce00 00000004 00000001 00000000 00020000 beb8ba54 # [ 111.173154] 1fe0: 00000004 beb8b788 b6e874cf b6e0d7e6 # [ 111.178217] Code: [ 111.707522] lkdtm: Performing direct entry EXEC_STACK 00000000 c4031480 c4031540 c40316[ 111.714795] lkdtm: attempting ok execution at c0c2f190 00 (e1a0c00d) # [ 111.184323] [ 111.722770] lkdtm: attempting bad execution at c6c51e0c ---[ end trace ca4978ee28c71849 ][ 111.730782] 8<--- cut here --- --- # EXEC_D[A T A1:1 1m.i7s3s6i87] Unable to handle kernel paging request at virtual address c6c51e0c ng 'call trace:':[ [ F1A1I1L.]75819] pgd = d47d4335 not ok 30 selftests: lkdtm: EXEC[ 111.750604] [c6c51e0c] *pgd=16c1141e(bad) _DATA.sh # exit=1 # self[t e s1t1.757480] Internal error: Oops: 8000000d [#4] SMP ARM s: lkdtm: EXEC_STACK.sh [ 111.765127] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imx_ldb etnaviv dw_hdmi_imx dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 [ 111.796133] CPU: 1 PID: 1854 Comm: cat Tainted: G D W 5.10.145-cip17 #1 [ 111.803884] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 111.810427] PC is at 0xc6c51e0c [ 111.813584] LR is at execute_location+0xa4/0xb4 [ 111.818121] pc : [] lr : [] psr: 600e0013 [ 111.824396] sp : c6c51de8 ip : 00000027 fp : c6c51e04 [ 111.829628] r10: 0000000b r9 : c1ad03b8 r8 : c15e8544 [ 111.834860] r7 : c6c51f60 r6 : 00000001 r5 : c6c51e0c r4 : c0c2f190 [ 111.841393] r3 : 0f5dd7ba r2 : 0f5dd7ba r1 : ef7965e4 r0 : 0000002b [ 111.847930] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 111.855075] Control: 10c5387d Table: 16a0004a DAC: 00000051 [ 111.860831] Process cat (pid: 1854, stack limit = 0x2ba7a024) [ 111.866584] Stack: (0xc6c51de8 to 0xc6c52000) [ 111.870954] 1de0: c6c50000 c5db5000 0000000b c6c51f60 c6c51e64 c6c51e08 [ 111.879143] 1e00: c138b284 c138b044 c6c51e6c e1a0c00d e92dd800 e24cb004 e52de004 e8bd4000 [ 111.887331] 1e20: e89da800 e1a0c00d e92dd830 e24cb004 e52de004 e8bd4000 e3023374 e34c31b8 [ 111.895520] 1e40: e3a02040 e3a01d33 e5930018 0f5dd7ba 0000000b 00000020 c6c51e74 c6c51e68 [ 111.903709] 1e60: c0c2e420 c138b258 c6c51e9c c6c51e78 c0c2e920 c0c2e400 c0c2e800 c681c3c0 [ 111.911898] 1e80: b6e5c000 0000000b c532f240 c6c51f60 c6c51ec4 c6c51ea0 c07f5a58 c0c2e80c [ 111.920086] 1ea0: 00000000 c681c3c0 b6e5c000 c2816000 c6c51f60 c07f59f4 c6c51f5c c6c51ec8 [ 111.928276] 1ec0: c05986f0 c07f5a00 00000001 00000000 c0598c84 c13a08a0 c0598c84 c6c50000 [ 111.936465] 1ee0: b6e5c000 00020000 00000004 0000000b 0001fff5 c6c51ee0 00000001 b6e5b000 [ 111.944653] 1f00: c5a9f900 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 111.952843] 1f20: 00000000 00000000 c13a08a0 0f5dd7ba c205cb20 c681c3c0 c681c3c0 c6c50000 [ 111.961033] 1f40: b6e5c000 00000000 00000000 00000004 c6c51f94 c6c51f60 c0598c84 c05985f0 [ 111.969221] 1f60: 00000000 00000000 c6c51fac 0f5dd7ba 0000000b 0000000b b6fa3e00 00000004 [ 111.977409] 1f80: c03002e4 c6c50000 c6c51fa4 c6c51f98 c0598d14 c0598c1c 00000000 c6c51fa8 [ 111.985597] 1fa0: c03000c0 c0598d08 0000000b 0000000b 00000001 b6e5c000 0000000b 00000000 [ 111.993786] 1fc0: 0000000b 0000000b b6fa3e00 00000004 00000001 00000000 00020000 bef1ea54 [ 112.001973] 1fe0: 00000004 bef1e788 b6f0e4cf b6e947e6 800e0030 00000001 00000000 00000000 [ 112.010155] Backtrace: [ 112.012627] [] (execute_location) from [] (lkdtm_EXEC_STACK+0x38/0x54) [ 112.020906] r7:c6c51f60 r6:0000000b r5:c5db5000 r4:c6c50000 [ 112.026588] [] (lkdtm_EXEC_STACK) from [] (lkdtm_do_action+0x2c/0x4c) [ 112.034773] r4:00000020 [ 112.037324] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 112.045347] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 112.053275] r9:c6c51f60 r8:c532f240 r7:0000000b r6:b6e5c000 r5:c681c3c0 r4:c0c2e800 [ 112.061038] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 112.068880] r9:c07f59f4 r8:c6c51f60 r7:c2816000 r6:b6e5c000 r5:c681c3c0 r4:00000000 [ 112.076636] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 112.083783] r10:00000004 r9:00000000 r8:00000000 r7:b6e5c000 r6:c6c50000 r5:c681c3c0 [ 112.091617] r4:c681c3c0 [ 112.094163] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 112.101310] r9:c6c50000 r8:c03002e4 r7:00000004 r6:b6fa3e00 r5:0000000b r4:0000000b [ 112.109068] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 112.116644] Exception stack(0xc6c51fa8 to 0xc6c51ff0) [ 112.121706] 1fa0: 0000000b 0000000b 00000001 b6e5c000 0000000b 00000000 [ 112.129895] 1fc0: 0000000b 0000000b b6fa3e00 00000004 00000001 00000000 00020000 bef1ea54 [ 112.138080] 1fe0: 00000004 bef1e788 b6f0e4cf b6e947e6 [ 112.143143] Code: c6c51e08 c138b284 c138b044 c6c51e6c (e1a0c00d) [ 112.149250] ---[ end trace ca4978ee28c7184a ]--- # Segmentation fault # [ 111.707522] lkdtm: Performing direct entry EXEC_STACK # [ 111.714795] lkdtm: attempting ok execution at c0c2f190 # [ 111.722770] lkdtm: attempting bad execution at c6c51e0c # [ 111.730782] 8<--- cut here --- # [ 111.736687] Unable to handle kernel paging request at virtual address c6c51e0c # [ 111.745819] pgd = d47d4335 # [ 111.750604] [c6c51e0c] *pgd=16c1141e(bad) # [ 111.757480] Internal error: Oops: 8000000d [#4] SMP ARM # [ 111.765127] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imx_ldb etnaviv dw_hdmi_imx dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 # [ 111.796133] CPU: 1 PID: 1854 Comm: cat Tainted: G D W 5.10.145-cip17 #1 # [ 111.803884] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 111.810427] PC is at 0xc6c51e0c # [ 111.813584] LR is at execute_location+0xa4/0xb4 # [ 111.818121] pc : [] lr : [] psr: 600e0013 # [ 111.824396] sp : c6c51de8 ip : 00000027 fp : c6c51e04 # [ 111.829628] r10: 0000000b r9 : c1ad03b8 r8 : c15e8544 # [ 111.834860] r7 : c6c51f60 r6 : 00000001 r5 : c6c51e0c r4 : c0c2f190 # [ 111.841393] r3 : 0f5dd7ba r2 : 0f5dd7ba r1 : ef7965e4 r0 : 0000002b # [ 111.847930] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 111.855075] Control: 10c5387d Table: 16a0004a DAC: 00000051 # [ 111.860831] Process cat (pid: 1854, stack limit = 0x2ba7a024) # [ 111.866584] Stack: (0xc6c51de8 to 0xc6c52000) # [ 111.870954] 1de0: c6c50000 c5db5000 0000000b c6c51f60 c6c51e64 c6c51e08 # [ 111.879143] 1e00: c138b284 c138b044 c6c51e6c e1a0c00d e92dd800 e24cb004 e52de004 e8bd4000 # [ 111.887331] 1e20: e89da800 e1a0c00d e92dd830 e24cb004 e52de004 e8bd4000 e3023374 e34c31b8 # [ 111.895520] 1e40: e3a02040 e3a01d33 e5930018 0f5dd7ba 0000000b 00000020 c6c51e74 c6c51e68 # [ 111.903709] 1e60: c0c2e420 c138b258 c6c51e9c c6c51e78 c0c2e920 c0c2e400 c0c2e800 c681c3c0 # [ 111.911898] 1e80: b6e5c000 0000000b c532f240 c6c51f60 c6c51ec4 c6c51ea0 c07f5a58 c0c2e80c # [ 111.920086] 1ea0: 00000000 c681c3c0 b6e5c000 c2816000 c6c51f60 c07f59f4 c6c51f5c c6c51ec8 # [ 111.928276] 1ec0: c05986f0 c07f5a00 00000001 00000000 c0598c84 c13a08a0 c0598c84 c6c50000 # [ 111.936465] 1ee0: b6e5c000 00020000 00000004 0000000b 0001fff5 c6c51ee0 00000001 b6e5b000 # [ 111.944653] 1f00: c5a9f900 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 111.952843] 1f20: 00000000 00000000 c13a08a0 0f5dd7ba c205cb20 c681c3c0 c681c3c0 c6c50000 # [ 111.961033] 1f40: b6e5c000 00000000 00000000 00000004 c6c51f94 c6c51f60 c0598c84 c05985f0 # [ 111.969221] 1f60: 00000000 00000000 c6c51fac 0f5dd7ba 0000000b 0000000b b6fa3e00 00000004 # [ 111.977409] 1f80: c03002e4 c6c50000 c6c51fa4 c6c51f98 c0598d14 c0598c1c 00000000 c6c51fa8 # [ 111.985597] 1fa0: c03000c0 c0598d08 0000000b 0000000b 00000001 b6e5c000 0000000b 00000000 # [ 111.993786] 1fc0: 0000000b 0000000b b6fa3e00 00000004 00000001 00000000 00020000 bef1ea54 # [ 112.001973] 1fe0: 00000004 bef1e788 b6f0e4cf b6e947e6 800e0030 00000001 00000000 00000000 # [ 112.010155] Backtrace: # [ 112.012627] [] (execute_location) from [] (lkdtm_EXEC_STACK+0x38/0x54) # [ 112.020906] r7:c6c51f60 r6:0000000b r5:c5db5000 r4:c6c50000 # [ 112.026588] [] (lkdtm_EXEC_STACK) from [] (lkdtm_do_action+0x2c/0x4c) # [ 112.034773] r4:00000020 # [ 112.037324] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 112.045347] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 112.053275] r9:c6c51f60 r8:c532f240 r7:0000000b r6:b6e5c000 r5:c681c3c0 r4:c0c2e800 # [ 112.061038] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 112.068880] r9:c07f59f4 r8:c6c51f60 r7:c2816000 r6:b6e5c000 r5:c681c3c0 r4:00000000 # [ 112.076636] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 112.083783] r10:00000004 r9:00000000 r8:00000000 r7:b6e5c000 r6:c6c50000 r5:c681c3c0 # [ 112.091617] r4:c681c3c0 # [ 112.094163] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 112.101310] r9:c6c50000 r8:c03002e4 r7:00000004 r6:b6fa3e00 r5:0000000b r4:0000000b # [ 112.109068] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 112.116644] Exception stack(0xc6c51fa8 to 0xc6c51ff0) # [ 112.121706] 1fa0: 0000000b 0000000b 00000001 b6e5c000 0000000b 00000000 # [ 112.129895] 1fc0: 0000000b 0000000b b6fa3e00 00000004 00000001 00000000 00020000 bef1ea54 # [ 112.138080] 1fe0: 00000004 bef1e788 b6f0e4cf b6e947e6 # [ 112.143143] Code: c6c51e08 c138b284 c138b044 c6c51e6c (e1a0c00d) # [ 112.149250] ---[ end trace ca4978ee28c7184a ]--- # EXEC_STACK: missing 'call trace:': [FAIL] n[ 112.675516] lkdtm: Performing direct entry EXEC_KMALLOC ot ok 31 selftests: lkdtm: EXEC_S[ 112.683316] lkdtm: attempting ok execution at c0c2f190 TACK.sh # exit=1 # selftests: lk[ 112.691340] lkdtm: attempting bad execution at c5ec0440 dtm: EXEC_KMALLOC.sh [ 112.699335] 8<--- cut here --- [ 112.704274] Unable to handle kernel paging request at virtual address c5ec0440 [ 112.711507] pgd = 4a988778 [ 112.714222] [c5ec0440] *pgd=15e1141e(bad) [ 112.718257] Internal error: Oops: 8000000d [#5] SMP ARM [ 112.723491] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imx_ldb etnaviv dw_hdmi_imx dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 [ 112.752568] CPU: 3 PID: 1933 Comm: cat Tainted: G D W 5.10.145-cip17 #1 [ 112.760317] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 112.766856] PC is at 0xc5ec0440 [ 112.770015] LR is at execute_location+0xa4/0xb4 [ 112.774553] pc : [] lr : [] psr: 600e0013 [ 112.780827] sp : c684be30 ip : 00000027 fp : c684be4c [ 112.786059] r10: 0000000d r9 : c1ad03c4 r8 : c15e8544 [ 112.791291] r7 : c684bf60 r6 : 00000001 r5 : c5ec0440 r4 : c0c2f190 [ 112.797825] r3 : a68e3bb6 r2 : a68e3bb6 r1 : ef7c05e4 r0 : 0000002b [ 112.804360] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 112.811502] Control: 10c5387d Table: 16e4804a DAC: 00000051 [ 112.817256] Process cat (pid: 1933, stack limit = 0x4888e605) [ 112.823010] Stack: (0xc684be30 to 0xc684c000) [ 112.827380] be20: c5ec0440 c69bb000 0000000d c684bf60 [ 112.835569] be40: c684be64 c684be50 c0c2f1e0 c138b044 00000021 c69bb000 c684be74 c684be68 [ 112.843757] be60: c0c2e420 c0c2f1b4 c684be9c c684be78 c0c2e920 c0c2e400 c0c2e800 c29cadc0 [ 112.851945] be80: b6e3c000 0000000d c532f240 c684bf60 c684bec4 c684bea0 c07f5a58 c0c2e80c [ 112.860132] bea0: 00000000 c29cadc0 b6e3c000 c2816000 c684bf60 c07f59f4 c684bf5c c684bec8 [ 112.868322] bec0: c05986f0 c07f5a00 00000001 00000000 c0598c84 c13a08a0 c0598c84 c684a000 [ 112.876509] bee0: b6e3c000 00020000 00000004 0000000d 0001fff3 c684bee0 00000001 b6e3b000 [ 112.884696] bf00: c681db80 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 112.892885] bf20: 00000000 00000000 c13a08a0 a68e3bb6 c205cb20 c29cadc0 c29cadc0 c684a000 [ 112.901073] bf40: b6e3c000 00000000 00000000 00000004 c684bf94 c684bf60 c0598c84 c05985f0 [ 112.909262] bf60: 00000000 00000000 c684bfac a68e3bb6 0000000d 0000000d b6f83e00 00000004 [ 112.917449] bf80: c03002e4 c684a000 c684bfa4 c684bf98 c0598d14 c0598c1c 00000000 c684bfa8 [ 112.925636] bfa0: c03000c0 c0598d08 0000000d 0000000d 00000001 b6e3c000 0000000d 00000000 [ 112.933824] bfc0: 0000000d 0000000d b6f83e00 00000004 00000001 00000000 00020000 be9bfa54 [ 112.942011] bfe0: 00000004 be9bf788 b6eee4cf b6e747e6 800e0030 00000001 00000000 00000000 [ 112.950192] Backtrace: [ 112.952670] [] (execute_location) from [] (lkdtm_EXEC_KMALLOC+0x38/0x44) [ 112.961120] r7:c684bf60 r6:0000000d r5:c69bb000 r4:c5ec0440 [ 112.966796] [] (lkdtm_EXEC_KMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) [ 112.975153] r5:c69bb000 r4:00000021 [ 112.978745] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 112.986766] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 112.994695] r9:c684bf60 r8:c532f240 r7:0000000d r6:b6e3c000 r5:c29cadc0 r4:c0c2e800 [ 113.002456] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 113.010300] r9:c07f59f4 r8:c684bf60 r7:c2816000 r6:b6e3c000 r5:c29cadc0 r4:00000000 [ 113.018054] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 113.025201] r10:00000004 r9:00000000 r8:00000000 r7:b6e3c000 r6:c684a000 r5:c29cadc0 [ 113.033036] r4:c29cadc0 [ 113.035581] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 113.042728] r9:c684a000 r8:c03002e4 r7:00000004 r6:b6f83e00 r5:0000000d r4:0000000d [ 113.050485] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 113.058061] Exception stack(0xc684bfa8 to 0xc684bff0) [ 113.063122] bfa0: 0000000d 0000000d 00000001 b6e3c000 0000000d 00000000 [ 113.071310] bfc0: 0000000d 0000000d b6f83e00 00000004 00000001 00000000 00020000 be9bfa54 [ 113.079497] bfe0: 00000004 be9bf788 b6eee4cf b6e747e6 [ 113.084560] Code: eff0f300 eff131c0 eff08c80 eff0a3e0 (e1a0c00d) [ 113.090667] ---[ end trace ca4978ee28c7184b ]--- # Segmentation fault # [ 112.675516] lkdtm: Performing direct entry EXEC_KMALLOC # [ 112.683316] lkdtm: attempting ok execution at c0c2f190 # [ 112.691340] lkdtm: attempting bad execution at c5ec0440 # [ 112.699335] 8<--- cut here --- # [ 112.704274] Unable to handle kernel paging request at virtual address c5ec0440 # [ 112.711507] pgd = 4a988778 # [ 112.714222] [c5ec0440] *pgd=15e1141e(bad) # [ 112.718257] Internal error: Oops: 8000000d [#5] SMP ARM # [ 112.723491] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imx_ldb etnaviv dw_hdmi_imx dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 # [ 112.752568] CPU: 3 PID: 1933 Comm: cat Tainted: G D W 5.10.145-cip17 #1 # [ 112.760317] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 112.766856] PC is at 0xc5ec0440 # [ 112.770015] LR is at execute_location+0xa4/0xb4 # [ 112.774553] pc : [] lr : [] psr: 600e0013 # [ 112.780827] sp : c684be30 ip : 00000027 fp : c684be4c # [ 112.786059] r10: 0000000d r9 : c1ad03c4 r8 : c15e8544 # [ 112.791291] r7 : c684bf60 r6 : 00000001 r5 : c5ec0440 r4 : c0c2f190 # [ 112.797825] r3 : a68e3bb6 r2 : a68e3bb6 r1 : ef7c05e4 r0 : 0000002b # [ 112.804360] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 112.811502] Control: 10c5387d Table: 16e4804a DAC: 00000051 # [ 112.817256] Process cat (pid: 1933, stack limit = 0x4888e605) # [ 112.823010] Stack: (0xc684be30 to 0xc684c000) # [ 112.827380] be20: c5ec0440 c69bb000 0000000d c684bf60 # [ 112.835569] be40: c684be64 c684be50 c0c2f1e0 c138b044 00000021 c69bb000 c684be74 c684be68 # [ 112.843757] be60: c0c2e420 c0c2f1b4 c684be9c c684be78 c0c2e920 c0c2e400 c0c2e800 c29cadc0 # [ 112.851945] be80: b6e3c000 0000000d c532f240 c684bf60 c684bec4 c684bea0 c07f5a58 c0c2e80c # [ 112.860132] bea0: 00000000 c29cadc0 b6e3c000 c2816000 c684bf60 c07f59f4 c684bf5c c684bec8 # [ 112.868322] bec0: c05986f0 c07f5a00 00000001 00000000 c0598c84 c13a08a0 c0598c84 c684a000 # [ 112.876509] bee0: b6e3c000 00020000 00000004 0000000d 0001fff3 c684bee0 00000001 b6e3b000 # [ 112.884696] bf00: c681db80 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 112.892885] bf20: 00000000 00000000 c13a08a0 a68e3bb6 c205cb20 c29cadc0 c29cadc0 c684a000 # [ 112.901073] bf40: b6e3c000 00000000 00000000 00000004 c684bf94 c684bf60 c0598c84 c05985f0 # [ 112.909262] bf60: 00000000 00000000 c684bfac a68e3bb6 0000000d 0000000d b6f83e00 00000004 # [ 112.917449] bf80: c03002e4 c684a000 c684bfa4 c684bf98 c0598d14 c0598c1c 00000000 c684bfa8 # [ 112.925636] bfa0: c03000c0 c0598d08 0000000d 0000000d 00000001 b6e3c000 0000000d 00000000 # [ 112.933824] bfc0: 0000000d 0000000d b6f83e00 00000004 00000001 00000000 00020000 be9bfa54 # [ 112.942011] bfe0: 00000004 be9bf788 b6eee4cf b6e747e6 800e0030 00000001 00000000 00000000 # [ 112.950192] Backtrace: # [ 112.952670] [] (execute_location) from [] (lkdtm_EXEC_KMALLOC+0x38/0x44) # [ 112.961120] r7:c684bf60 r6:0000000d r5:c69bb000 r4:c5ec0440 # [ 112.966796] [] (lkdtm_EXEC_KMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) # [ 112.975153] r5:c69bb000 r4:00000021 # [ 112.978745] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 112.986766] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 112.994695] r9:c684bf60 r8:c532f240 r7:0000000d r6:b6e3c000 r5:c29cadc0 r4:c0c2e800 # [ 113.002456] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 113.010300] r9:c07f59f4 r8:c684bf60 r7:c2816000 r6:b6e3c000 r5:c29cadc0 r4:00000000 # [ 113.018054] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 113.025201] r10:00000004 r9:00000000 r8:00000000 r7:b6e3c000 r6:c684a000 r5:c29cadc0 # [ 113.033036] r4:c29cadc0 # [ 113.035581] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 113.042728] r9:c684a000 r8:c03002e4 r7:00000004 r6:b6f83e00 r5:0000000d r4:0000000d # [ 113.050485] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 113.058061] Exception stack(0xc684bfa8 to 0xc684bff0) # [ 113.063122] bfa0: 0000000d 0000000d 00000001 b6e3c000 0000000d 00000000 # [ 113.071310] bfc0: 0000000d 0000000d b6f83e00 00000004 00000001 00000000 00020000 be9bfa54 # [ 113.079497] bfe0: 00000004 be9bf788 b6eee4cf b6e747e6 # [ 113.084560] Code: eff0f300 eff131c0 eff08c80 eff0a3e0 (e1a0c00d) # [ 113.090667] ---[ end trace ca4978ee28c7184b ]--- # EXEC_KMALLOC: missing 'call trace:': [FAIL] not ok 32 selftests: lkdtm: EXEC_KMALLOC.sh # exit=1 # selftests: lkdtm: EXEC_VMALLOC.sh [ 113.629648] lkdtm: Performing direct entry EXEC_VMALLOC [ 113.635075] lkdtm: attempting ok execution at c0c2f190 [ 113.640231] lkdtm: attempting bad execution at f0971000 [ 113.645583] 8<--- cut here --- [ 113.648662] Unable to handle kernel paging request at virtual address f0971000 [ 113.655989] pgd = a44df0a3 [ 113.658722] [f0971000] *pgd=1294b811, *pte=4929a65f, *ppte=4929a45f [ 113.665105] Internal error: Oops: 8000000f [#6] SMP ARM [ 113.670347] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imx_ldb etnaviv dw_hdmi_imx dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 [ 113.699405] CPU: 2 PID: 2010 Comm: cat Tainted: G D W 5.10.145-cip17 #1 [ 113.707157] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 113.713700] PC is at 0xf0971000 [ 113.716859] LR is at execute_location+0xa4/0xb4 [ 113.721397] pc : [] lr : [] psr: 600e0013 [ 113.727672] sp : c6d6fe30 ip : c6d6fd38 fp : c6d6fe4c [ 113.732902] r10: 0000000d r9 : c1ad03d4 r8 : c15e8544 [ 113.738136] r7 : c6d6ff60 r6 : 00000001 r5 : f0971000 r4 : c0c2f190 [ 113.744670] r3 : 0192a73f r2 : 0192a73f r1 : ef7ab5e0 r0 : 0000002b [ 113.751207] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 113.758351] Control: 10c5387d Table: 1690804a DAC: 00000051 [ 113.764108] Process cat (pid: 2010, stack limit = 0xf0cb99bc) [ 113.769863] Stack: (0xc6d6fe30 to 0xc6d70000) [ 113.774233] fe20: f0971000 c5860000 0000000d c6d6ff60 [ 113.782421] fe40: c6d6fe64 c6d6fe50 c0c2f214 c138b044 00000022 c5860000 c6d6fe74 c6d6fe68 [ 113.790610] fe60: c0c2e420 c0c2f1f8 c6d6fe9c c6d6fe78 c0c2e920 c0c2e400 c0c2e800 c5e6d900 [ 113.798799] fe80: b6e61000 0000000d c532f240 c6d6ff60 c6d6fec4 c6d6fea0 c07f5a58 c0c2e80c [ 113.806987] fea0: 00000000 c5e6d900 b6e61000 c2816000 c6d6ff60 c07f59f4 c6d6ff5c c6d6fec8 [ 113.815176] fec0: c05986f0 c07f5a00 00000001 00000000 c0598c84 c13a08a0 c0598c84 c6d6e000 [ 113.823365] fee0: b6e61000 00020000 00000004 0000000d 0001fff3 c6d6fee0 00000001 b6e60000 [ 113.831553] ff00: c5b623c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 113.839742] ff20: 00000000 00000000 c13a08a0 0192a73f c205cb20 c5e6d900 c5e6d900 c6d6e000 [ 113.847931] ff40: b6e61000 00000000 00000000 00000004 c6d6ff94 c6d6ff60 c0598c84 c05985f0 [ 113.856120] ff60: 00000000 00000000 c6d6ffac 0192a73f 0000000d 0000000d b6fa8e00 00000004 [ 113.864309] ff80: c03002e4 c6d6e000 c6d6ffa4 c6d6ff98 c0598d14 c0598c1c 00000000 c6d6ffa8 [ 113.872496] ffa0: c03000c0 c0598d08 0000000d 0000000d 00000001 b6e61000 0000000d 00000000 [ 113.880685] ffc0: 0000000d 0000000d b6fa8e00 00000004 00000001 00000000 00020000 bea5fa54 [ 113.888872] ffe0: 00000004 bea5f788 b6f134cf b6e997e6 800e0030 00000001 00000000 00000000 [ 113.897053] Backtrace: [ 113.899530] [] (execute_location) from [] (lkdtm_EXEC_VMALLOC+0x28/0x34) [ 113.907980] r7:c6d6ff60 r6:0000000d r5:c5860000 r4:f0971000 [ 113.913658] [] (lkdtm_EXEC_VMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) [ 113.922017] r5:c5860000 r4:00000022 [ 113.925608] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 113.933631] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 113.941559] r9:c6d6ff60 r8:c532f240 r7:0000000d r6:b6e61000 r5:c5e6d900 r4:c0c2e800 [ 113.949321] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 113.957162] r9:c07f59f4 r8:c6d6ff60 r7:c2816000 r6:b6e61000 r5:c5e6d900 r4:00000000 [ 113.964918] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 113.972064] r10:00000004 r9:00000000 r8:00000000 r7:b6e61000 r6:c6d6e000 r5:c5e6d900 [ 113.979900] r4:c5e6d900 [ 113.982446] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 113.989594] r9:c6d6e000 r8:c03002e4 r7:00000004 r6:b6fa8e00 r5:0000000d r4:0000000d [ 113.997353] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 114.004928] Exception stack(0xc6d6ffa8 to 0xc6d6fff0) [ 114.009991] ffa0: 0000000d 0000000d 00000001 b6e61000 0000000d 00000000 [ 114.018179] ffc0: 0000000d 0000000d b6fa8e00 00000004 00000001 00000000 00020000 bea5fa54 [ 114.026363] ffe0: 00000004 bea5f788 b6f134cf b6e997e6 [ 114.031429] Code: bad PC value [ 114.034617] ---[ end trace ca4978ee28c7184c ]--- # Segmentation fault # [ 113.629648] lkdtm: Performing direct entry EXEC_VMALLOC # [ 113.635075] lkdtm: attempting ok execution at c0c2f190 # [ 113.640231] lkdtm: attempting bad execution at f0971000 # [ 113.645583] 8<--- cut here --- # [ 113.648662] Unable to handle kernel paging request at virtual address f0971000 # [ 113.655989] pgd = a44df0a3 # [ 113.658722] [f0971000] *pgd=1294b811, *pte=4929a65f, *ppte=4929a45f # [ 113.665105] Internal error: Oops: 8000000f [#6] SMP ARM # [ 113.670347] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imx_ldb etnaviv dw_hdmi_imx dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 # [ 113.699405] CPU: 2 PID: 2010 Comm: cat Tainted: G D W 5.10.145-cip17 #1 # [ 113.707157] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 113.713700] PC is at 0xf0971000 # [ 113.716859] LR is at execute_location+0xa4/0xb4 # [ 113.721397] pc : [] lr : [] psr: 600e0013 # [ 113.727672] sp : c6d6fe30 ip : c6d6fd38 fp : c6d6fe4c # [ 113.732902] r10: 0000000d r9 : c1ad03d4 r8 : c15e8544 # [ 113.738136] r7 : c6d6ff60 r6 : 00000001 r5 : f0971000 r4 : c0c2f190 # [ 113.744670] r3 : 0192a73f r2 : 0192a73f r1 : ef7ab5e0 r0 : 0000002b # [ 113.751207] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 113.758351] Control: 10c5387d Table: 1690804a DAC: 00000051 # [ 113.764108] Process cat (pid: 2010, stack limit = 0xf0cb99bc) # [ 113.769863] Stack: (0xc6d6fe30 to 0xc6d70000) # [ 113.774233] fe20: f0971000 c5860000 0000000d c6d6ff60 # [ 113.782421] fe40: c6d6fe64 c6d6fe50 c0c2f214 c138b044 00000022 c5860000 c6d6fe74 c6d6fe68 # [ 113.790610] fe60: c0c2e420 c0c2f1f8 c6d6fe9c c6d6fe78 c0c2e920 c0c2e400 c0c2e800 c5e6d900 # [ 113.798799] fe80: b6e61000 0000000d c532f240 c6d6ff60 c6d6fec4 c6d6fea0 c07f5a58 c0c2e80c # [ 113.806987] fea0: 00000000 c5e6d900 b6e61000 c2816000 c6d6ff60 c07f59f4 c6d6ff5c c6d6fec8 # [ 113.815176] fec0: c05986f0 c07f5a00 00000001 00000000 c0598c84 c13a08a0 c0598c84 c6d6e000 # [ 113.823365] fee0: b6e61000 00020000 00000004 0000000d 0001fff3 c6d6fee0 00000001 b6e60000 # [ 113.831553] ff00: c5b623c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 113.839742] ff20: 00000000 00000000 c13a08a0 0192a73f c205cb20 c5e6d900 c5e6d900 c6d6e000 # [ 113.847931] ff40: b6e61000 00000000 00000000 00000004 c6d6ff94 c6d6ff60 c0598c84 c05985f0 # [ 113.856120] ff60: 00000000 00000000 c6d6ffac 0192a73f 0000000d 0000000d b6fa8e00 00000004 # [ 113.864309] ff80: c03002e4 c6d6e000 c6d6ffa4 c6d6ff98 c0598d14 c0598c1c 00000000 c6d6ffa8 # [ 113.872496] ffa0: c03000c0 c0598d08 0000000d 0000000d 00000001 b6e61000 0000000d 00000000 # [ 113.880685] ffc0: 0000000d 0000000d b6fa8e00 00000004 00000001 00000000 00020000 bea5fa54 # [ 113.888872] ffe0: 00000004 bea5f788 b6f134cf b6e997e6 800e0030 00000001 00000000 00000000 # [ 113.897053] Backtrace: # [ 113.899530] [] (execute_location) from [] (lkdtm_EXEC_VMALLOC+0x28/0x34) # [ 113.907980] r7:c6d6ff60 r6:0000000d r5:c5860000 r4:f0971000 # [ 113.913658] [] (lkdtm_EXEC_VMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) # [ 113.922017] r5:c5860000 r4:00000022 # [ 113.925608] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 113.933631] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 113.941559] r9:c6d6ff60 r8:c532f240 r7:0000000d r6:b6e61000 r5:c5e6d900 r4:c0c2e800 # [ 113.949321] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 113.957162] r9:c07f59f4 r8:c6d6ff60 r7:c2816000 r6:b6e61000 r5:c5e6d900 r4:00000000 # [ 113.964918] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 113.972064] r10:00000004 r9:00000000 r8:00000000 r7:b6e61000 r6:c6d6e000 r5:c5e6d900 # [ 113.979900] r4:c5e6d900 # [ 113.982446] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 113.989594] r9:c6d6e000 r8:c03002e4 r7:00000004 r6:b6fa8e00 r5:0000000d r4:0000000d # [ 113.997353] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 114.004928] Exception stack(0xc6d6ffa8 to 0xc6d6fff0) # [ 114.009991] ffa0: 0000000d 0000000d 00000001 b6e61000 0000000d 00000000 # [ 114.018179] ffc0: 0000000d 0000000d b6fa8e00 00000004 00000001 00000000 00020000 bea5fa54 # [ 114.026363] ffe0: 00000004 bea5f788 b6f134cf b6e997e6 # [ 114.031429] Code: bad PC value # [ 114.034617] ---[ end trace ca4978ee28c7184c ]--- # EXEC_VMALLOC: missing 'call trace:': [FAIL] not ok 33 selftests: lkdtm: EXEC_VMALLOC.sh # exit=1 # selftests: lkdtm: EXEC_RODATA.sh [ 114.600280] lkdtm: Performing direct entry EXEC_RODATA [ 114.605565] lkdtm: attempting ok execution at c0c2f190 [ 114.610739] lkdtm: attempting bad execution at c15e87e0 [ 114.616064] 8<--- cut here --- [ 114.619133] Unable to handle kernel paging request at virtual address c15e87e0 [ 114.626366] pgd = f84e836a [ 114.629083] [c15e87e0] *pgd=1141941e(bad) [ 114.633120] Internal error: Oops: 8000000d [#7] SMP ARM [ 114.638356] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imx_ldb etnaviv dw_hdmi_imx dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 [ 114.667436] CPU: 0 PID: 2087 Comm: cat Tainted: G D W 5.10.145-cip17 #1 [ 114.675185] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 114.681730] PC is at lkdtm_rodata_do_nothing+0x0/0x10 [ 114.686798] LR is at execute_location+0xa4/0xb4 [ 114.691336] pc : [] lr : [] psr: 600e0013 [ 114.697610] sp : c6c51e38 ip : c6c51d40 fp : c6c51e54 [ 114.702842] r10: 0000000c r9 : c1ad03e4 r8 : c15e8544 [ 114.708074] r7 : c6c51f60 r6 : 00000000 r5 : c15e87e0 r4 : c0c2f190 [ 114.714609] r3 : 6e71e716 r2 : 6e71e716 r1 : ef7815e0 r0 : 0000002b [ 114.721146] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 114.728288] Control: 10c5387d Table: 16fec04a DAC: 00000051 [ 114.734042] Process cat (pid: 2087, stack limit = 0x2ba7a024) [ 114.739797] Stack: (0xc6c51e38 to 0xc6c52000) [ 114.744165] 1e20: 00000023 c5df0000 [ 114.752356] 1e40: 0000000c c6c51f60 c6c51e64 c6c51e58 c138b2c4 c138b044 c6c51e74 c6c51e68 [ 114.760544] 1e60: c0c2e420 c138b2ac c6c51e9c c6c51e78 c0c2e920 c0c2e400 c0c2e800 c5aa5cc0 [ 114.768732] 1e80: b6e81000 0000000c c532f240 c6c51f60 c6c51ec4 c6c51ea0 c07f5a58 c0c2e80c [ 114.776921] 1ea0: 00000000 c5aa5cc0 b6e81000 c2816000 c6c51f60 c07f59f4 c6c51f5c c6c51ec8 [ 114.785109] 1ec0: c05986f0 c07f5a00 00000001 00000000 c0598c84 c13a08a0 c0598c84 c6c50000 [ 114.793297] 1ee0: b6e81000 00020000 00000004 0000000c 0001fff4 c6c51ee0 00000001 b6e80000 [ 114.801486] 1f00: c5abc3c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 114.809674] 1f20: 00000000 00000000 c13a08a0 6e71e716 c205cb20 c5aa5cc0 c5aa5cc0 c6c50000 [ 114.817862] 1f40: b6e81000 00000000 00000000 00000004 c6c51f94 c6c51f60 c0598c84 c05985f0 [ 114.826052] 1f60: 00000000 00000000 c6c51fac 6e71e716 0000000c 0000000c b6fc8e00 00000004 [ 114.834240] 1f80: c03002e4 c6c50000 c6c51fa4 c6c51f98 c0598d14 c0598c1c 00000000 c6c51fa8 [ 114.842429] 1fa0: c03000c0 c0598d08 0000000c 0000000c 00000001 b6e81000 0000000c 00000000 [ 114.850618] 1fc0: 0000000c 0000000c b6fc8e00 00000004 00000001 00000000 00020000 beef2a54 [ 114.858806] 1fe0: 00000004 beef2788 b6f334cf b6eb97e6 800e0030 00000001 00000000 00000000 [ 114.866988] Backtrace: [ 114.869459] [] (execute_location) from [] (lkdtm_EXEC_RODATA+0x24/0x28) [ 114.877822] r7:c6c51f60 r6:0000000c r5:c5df0000 r4:00000023 [ 114.883505] [] (lkdtm_EXEC_RODATA) from [] (lkdtm_do_action+0x2c/0x4c) [ 114.891786] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 114.899810] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 114.907739] r9:c6c51f60 r8:c532f240 r7:0000000c r6:b6e81000 r5:c5aa5cc0 r4:c0c2e800 [ 114.915499] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 114.923342] r9:c07f59f4 r8:c6c51f60 r7:c2816000 r6:b6e81000 r5:c5aa5cc0 r4:00000000 [ 114.931099] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 114.938246] r10:00000004 r9:00000000 r8:00000000 r7:b6e81000 r6:c6c50000 r5:c5aa5cc0 [ 114.946083] r4:c5aa5cc0 [ 114.948629] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 114.955775] r9:c6c50000 r8:c03002e4 r7:00000004 r6:b6fc8e00 r5:0000000c r4:0000000c [ 114.963536] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 114.971111] Exception stack(0xc6c51fa8 to 0xc6c51ff0) [ 114.976173] 1fa0: 0000000c 0000000c 00000001 b6e81000 0000000c 00000000 [ 114.984360] 1fc0: 0000000c 0000000c b6fc8e00 00000004 00000001 00000000 00020000 beef2a54 [ 114.992545] 1fe0: 00000004 beef2788 b6f334cf b6eb97e6 [ 114.997610] Code: 5f727563 6e756f63 00000074 aa55aa55 (e1a0c00d) [ 115.003717] ---[ end trace ca4978ee28c7184d ]--- # Segmentation fault # [ 114.600280] lkdtm: Performing direct entry EXEC_RODATA # [ 114.605565] lkdtm: attempting ok execution at c0c2f190 # [ 114.610739] lkdtm: attempting bad execution at c15e87e0 # [ 114.616064] 8<--- cut here --- # [ 114.619133] Unable to handle kernel paging request at virtual address c15e87e0 # [ 114.626366] pgd = f84e836a # [ 114.629083] [c15e87e0] *pgd=1141941e(bad) # [ 114.633120] Internal error: Oops: 8000000d [#7] SMP ARM # [ 114.638356] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imx_ldb etnaviv dw_hdmi_imx dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 # [ 114.667436] CPU: 0 PID: 2087 Comm: cat Tainted: G D W 5.10.145-cip17 #1 # [ 114.675185] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 114.681730] PC is at lkdtm_rodata_do_nothing+0x0/0x10 # [ 114.686798] LR is at execute_location+0xa4/0xb4 # [ 114.691336] pc : [] lr : [] psr: 600e0013 # [ 114.697610] sp : c6c51e38 ip : c6c51d40 fp : c6c51e54 # [ 114.702842] r10: 0000000c r9 : c1ad03e4 r8 : c15e8544 # [ 114.708074] r7 : c6c51f60 r6 : 00000000 r5 : c15e87e0 r4 : c0c2f190 # [ 114.714609] r3 : 6e71e716 r2 : 6e71e716 r1 : ef7815e0 r0 : 0000002b # [ 114.721146] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 114.728288] Control: 10c5387d Table: 16fec04a DAC: 00000051 # [ 114.734042] Process cat (pid: 2087, stack limit = 0x2ba7a024) # [ 114.739797] Stack: (0xc6c51e38 to 0xc6c52000) # [ 114.744165] 1e20: 00000023 c5df0000 # [ 114.752356] 1e40: 0000000c c6c51f60 c6c51e64 c6c51e58 c138b2c4 c138b044 c6c51e74 c6c51e68 # [ 114.760544] 1e60: c0c2e420 c138b2ac c6c51e9c c6c51e78 c0c2e920 c0c2e400 c0c2e800 c5aa5cc0 # [ 114.768732] 1e80: b6e81000 0000000c c532f240 c6c51f60 c6c51ec4 c6c51ea0 c07f5a58 c0c2e80c # [ 114.776921] 1ea0: 00000000 c5aa5cc0 b6e81000 c2816000 c6c51f60 c07f59f4 c6c51f5c c6c51ec8 # [ 114.785109] 1ec0: c05986f0 c07f5a00 00000001 00000000 c0598c84 c13a08a0 c0598c84 c6c50000 # [ 114.793297] 1ee0: b6e81000 00020000 00000004 0000000c 0001fff4 c6c51ee0 00000001 b6e80000 # [ 114.801486] 1f00: c5abc3c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 114.809674] 1f20: 00000000 00000000 c13a08a0 6e71e716 c205cb20 c5aa5cc0 c5aa5cc0 c6c50000 # [ 114.817862] 1f40: b6e81000 00000000 00000000 00000004 c6c51f94 c6c51f60 c0598c84 c05985f0 # [ 114.826052] 1f60: 00000000 00000000 c6c51fac 6e71e716 0000000c 0000000c b6fc8e00 00000004 # [ 114.834240] 1f80: c03002e4 c6c50000 c6c51fa4 c6c51f98 c0598d14 c0598c1c 00000000 c6c51fa8 # [ 114.842429] 1fa0: c03000c0 c0598d08 0000000c 0000000c 00000001 b6e81000 0000000c 00000000 # [ 114.850618] 1fc0: 0000000c 0000000c b6fc8e00 00000004 00000001 00000000 00020000 beef2a54 # [ 114.858806] 1fe0: 00000004 beef2788 b6f334cf b6eb97e6 800e0030 00000001 00000000 00000000 # [ 114.866988] Backtrace: # [ 114.869459] [] (execute_location) from [] (lkdtm_EXEC_RODATA+0x24/0x28) # [ 114.877822] r7:c6c51f60 r6:0000000c r5:c5df0000 r4:00000023 # [ 114.883505] [] (lkdtm_EXEC_RODATA) from [] (lkdtm_do_action+0x2c/0x4c) # [ 114.891786] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 114.899810] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 114.907739] r9:c6c51f60 r8:c532f240 r7:0000000c r6:b6e81000 r5:c5aa5cc0 r4:c0c2e800 # [ 114.915499] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 114.923342] r9:c07f59f4 r8:c6c51f60 r7:c2816000 r6:b6e81000 r5:c5aa5cc0 r4:00000000 # [ 114.931099] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 114.938246] r10:00000004 r9:00000000 r8:00000000 r7:b6e81000 r6:c6c50000 r5:c5aa5cc0 # [ 114.946083] r4:c5aa5cc0 # [ 114.948629] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 114.955775] r9:c6c50000 r8:c03002e4 r7:00000004 r6:b6fc8e00 r5:0000000c r4:0000000c # [ 114.963536] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 114.971111] Exception stack(0xc6c51fa8 to 0xc6c51ff0) # [ 114.976173] 1fa0: 0000000c 0000000c 00000001 b6e81000 0000000c 00000000 # [ 114.984360] 1fc0: 0000000c 0000000c b6fc8e00 00000004 00000001 00000000 00020000 beef2a54 # [ 114.992545] 1fe0: 00000004 beef2788 b6f334cf b6eb97e6 # [ 114.997610] Code: 5f727563 6e756f63 00000074 aa55aa55 (e1a0c00d) # [ 115.003717] ---[ end trace ca4978ee28c7184d ]--- # EXEC_RODATA: missing 'call trace:': [FAIL] not ok 34 selftests: lkdtm: EXEC_RODATA.sh # exit=1 # selftests: lkdtm: EXEC_USERSPACE.sh [ 115.608253] lkdtm: Performing direct entry EXEC_USERSPACE [ 115.613755] lkdtm: attempting ok execution at c0c2f190 [ 115.618966] lkdtm: attempting bad execution at b6f48000 [ 115.624277] Unhandled prefetch abort: page domain fault (0x00b) at 0xb6f48000 [ 115.631428] Internal error: : b [#8] SMP ARM [ 115.635708] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imx_ldb etnaviv dw_hdmi_imx dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 [ 115.664787] CPU: 0 PID: 2163 Comm: cat Tainted: G D W 5.10.145-cip17 #1 [ 115.672537] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 115.679076] PC is at 0xb6f48000 [ 115.682237] LR is at lkdtm_EXEC_USERSPACE+0xc4/0xd4 [ 115.687124] pc : [] lr : [] psr: 600e0013 [ 115.693397] sp : c6f49e48 ip : c6f49d50 fp : c6f49e64 [ 115.698628] r10: 0000000f r9 : c1ad03f0 r8 : c15e8544 [ 115.703861] r7 : c6f49f60 r6 : 0000000f r5 : c6b04000 r4 : b6f48000 [ 115.710397] r3 : 23072a55 r2 : 23072a55 r1 : ef7815e0 r0 : 0000002b [ 115.716932] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 115.724075] Control: 10c5387d Table: 16ea404a DAC: 00000051 [ 115.729830] Process cat (pid: 2163, stack limit = 0xca81de5e) [ 115.735583] Stack: (0xc6f49e48 to 0xc6f4a000) [ 115.739953] 9e40: 00000001 00000000 0000000f 00000024 c6f49e74 c6f49e68 [ 115.748144] 9e60: c0c2e420 c0c2f22c c6f49e9c c6f49e78 c0c2e920 c0c2e400 c0c2e800 c5e6d7c0 [ 115.756331] 9e80: b6e02000 0000000f c532f240 c6f49f60 c6f49ec4 c6f49ea0 c07f5a58 c0c2e80c [ 115.764521] 9ea0: 00000000 c5e6d7c0 b6e02000 c2816000 c6f49f60 c07f59f4 c6f49f5c c6f49ec8 [ 115.772712] 9ec0: c05986f0 c07f5a00 00000001 00000000 c0598c84 c13a08a0 c0598c84 c6f48000 [ 115.780901] 9ee0: b6e02000 00020000 00000004 0000000f 0001fff1 c6f49ee0 00000001 b6e01000 [ 115.789089] 9f00: c5abd400 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 115.797278] 9f20: 00000000 00000000 c13a08a0 23072a55 c205cb20 c5e6d7c0 c5e6d7c0 c6f48000 [ 115.805467] 9f40: b6e02000 00000000 00000000 00000004 c6f49f94 c6f49f60 c0598c84 c05985f0 [ 115.813656] 9f60: 00000000 00000000 c6f49fac 23072a55 0000000f 0000000f b6f49e00 00000004 [ 115.821844] 9f80: c03002e4 c6f48000 c6f49fa4 c6f49f98 c0598d14 c0598c1c 00000000 c6f49fa8 [ 115.830034] 9fa0: c03000c0 c0598d08 0000000f 0000000f 00000001 b6e02000 0000000f 00000000 [ 115.838222] 9fc0: 0000000f 0000000f b6f49e00 00000004 00000001 00000000 00020000 bebb2a54 [ 115.846411] 9fe0: 00000004 bebb2788 b6eb44cf b6e3a7e6 800e0030 00000001 00000000 00000000 [ 115.854593] Backtrace: [ 115.857066] [] (lkdtm_EXEC_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) [ 115.865599] r4:00000024 [ 115.868151] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 115.876174] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 115.884104] r9:c6f49f60 r8:c532f240 r7:0000000f r6:b6e02000 r5:c5e6d7c0 r4:c0c2e800 [ 115.891865] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 115.899707] r9:c07f59f4 r8:c6f49f60 r7:c2816000 r6:b6e02000 r5:c5e6d7c0 r4:00000000 [ 115.907462] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 115.914609] r10:00000004 r9:00000000 r8:00000000 r7:b6e02000 r6:c6f48000 r5:c5e6d7c0 [ 115.922444] r4:c5e6d7c0 [ 115.924990] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 115.932137] r9:c6f48000 r8:c03002e4 r7:00000004 r6:b6f49e00 r5:0000000f r4:0000000f [ 115.939894] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 115.947470] Exception stack(0xc6f49fa8 to 0xc6f49ff0) [ 115.952532] 9fa0: 0000000f 0000000f 00000001 b6e02000 0000000f 00000000 [ 115.960719] 9fc0: 0000000f 0000000f b6f49e00 00000004 00000001 00000000 00020000 bebb2a54 [ 115.968904] 9fe0: 00000004 bebb2788 b6eb44cf b6e3a7e6 [ 115.973971] Code: bad PC value [ 115.977041] ---[ end trace ca4978ee28c7184e ]--- # Segmentation fault # [ 115.608253] lkdtm: Performing direct entry EXEC_USERSPACE # [ 115.613755] lkdtm: attempting ok execution at c0c2f190 # [ 115.618966] lkdtm: attempting bad execution at b6f48000 # [ 115.624277] Unhandled prefetch abort: page domain fault (0x00b) at 0xb6f48000 # [ 115.631428] Internal error: : b [#8] SMP ARM # [ 115.635708] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imx_ldb etnaviv dw_hdmi_imx dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 # [ 115.664787] CPU: 0 PID: 2163 Comm: cat Tainted: G D W 5.10.145-cip17 #1 # [ 115.672537] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 115.679076] PC is at 0xb6f48000 # [ 115.682237] LR is at lkdtm_EXEC_USERSPACE+0xc4/0xd4 # [ 115.687124] pc : [] lr : [] psr: 600e0013 # [ 115.693397] sp : c6f49e48 ip : c6f49d50 fp : c6f49e64 # [ 115.698628] r10: 0000000f r9 : c1ad03f0 r8 : c15e8544 # [ 115.703861] r7 : c6f49f60 r6 : 0000000f r5 : c6b04000 r4 : b6f48000 # [ 115.710397] r3 : 23072a55 r2 : 23072a55 r1 : ef7815e0 r0 : 0000002b # [ 115.716932] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 115.724075] Control: 10c5387d Table: 16ea404a DAC: 00000051 # [ 115.729830] Process cat (pid: 2163, stack limit = 0xca81de5e) # [ 115.735583] Stack: (0xc6f49e48 to 0xc6f4a000) # [ 115.739953] 9e40: 00000001 00000000 0000000f 00000024 c6f49e74 c6f49e68 # [ 115.748144] 9e60: c0c2e420 c0c2f22c c6f49e9c c6f49e78 c0c2e920 c0c2e400 c0c2e800 c5e6d7c0 # [ 115.756331] 9e80: b6e02000 0000000f c532f240 c6f49f60 c6f49ec4 c6f49ea0 c07f5a58 c0c2e80c # [ 115.764521] 9ea0: 00000000 c5e6d7c0 b6e02000 c2816000 c6f49f60 c07f59f4 c6f49f5c c6f49ec8 # [ 115.772712] 9ec0: c05986f0 c07f5a00 00000001 00000000 c0598c84 c13a08a0 c0598c84 c6f48000 # [ 115.780901] 9ee0: b6e02000 00020000 00000004 0000000f 0001fff1 c6f49ee0 00000001 b6e01000 # [ 115.789089] 9f00: c5abd400 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 115.797278] 9f20: 00000000 00000000 c13a08a0 23072a55 c205cb20 c5e6d7c0 c5e6d7c0 c6f48000 # [ 115.805467] 9f40: b6e02000 00000000 00000000 00000004 c6f49f94 c6f49f60 c0598c84 c05985f0 # [ 115.813656] 9f60: 00000000 00000000 c6f49fac 23072a55 0000000f 0000000f b6f49e00 00000004 # [ 115.821844] 9f80: c03002e4 c6f48000 c6f49fa4 c6f49f98 c0598d14 c0598c1c 00000000 c6f49fa8 # [ 115.830034] 9fa0: c03000c0 c0598d08 0000000f 0000000f 00000001 b6e02000 0000000f 00000000 # [ 115.838222] 9fc0: 0000000f 0000000f b6f49e00 00000004 00000001 00000000 00020000 bebb2a54 # [ 115.846411] 9fe0: 00000004 bebb2788 b6eb44cf b6e3a7e6 800e0030 00000001 00000000 00000000 # [ 115.854593] Backtrace: # [ 115.857066] [] (lkdtm_EXEC_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 115.865599] r4:00000024 # [ 115.868151] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 115.876174] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 115.884104] r9:c6f49f60 r8:c532f240 r7:0000000f r6:b6e02000 r5:c5e6d7c0 r4:c0c2e800 # [ 115.891865] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 115.899707] r9:c07f59f4 r8:c6f49f60 r7:c2816000 r6:b6e02000 r5:c5e6d7c0 r4:00000000 # [ 115.907462] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 115.914609] r10:00000004 r9:00000000 r8:00000000 r7:b6e02000 r6:c6f48000 r5:c5e6d7c0 # [ 115.922444] r4:c5e6d7c0 # [ 115.924990] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 115.932137] r9:c6f48000 r8:c03002e4 r7:00000004 r6:b6f49e00 r5:0000000f r4:0000000f # [ 115.939894] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 115.947470] Exception stack(0xc6f49fa8 to 0xc6f49ff0) # [ 115.952532] 9fa0: 0000000f 0000000f 00000001 b6e02000 0000000f 00000000 # [ 115.960719] 9fc0: 0000000f 0000000f b6f49e00 00000004 00000001 00000000 00020000 bebb2a54 # [ 115.968904] 9fe0: 00000004 bebb2788 b6eb44cf b6e3a7e6 # [ 115.973971] Code: bad PC value # [ 115.977041] ---[ end trace ca4978ee28c7184e ]--- # EXEC_USERSPACE: missing 'call trace:': [FAIL] not ok 35 selftests: lkdtm: EXEC_USERSPACE.sh # exit=1 # selftests: lkdtm: EXEC_NULL.sh [ 116.566025] lkdtm: Performing direct entry EXEC_NULL [ 116.571113] lkdtm: attempting ok execution at c0c2f190 [ 116.576266] lkdtm: attempting bad execution at 00000000 [ 116.581584] 8<--- cut here --- [ 116.584657] Unable to handle kernel NULL pointer dereference at virtual address 00000000 [ 116.592867] pgd = b7b32bd2 [ 116.595596] [00000000] *pgd=00000000 [ 116.599209] Internal error: Oops: 80000005 [#9] SMP ARM [ 116.604449] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imx_ldb etnaviv dw_hdmi_imx dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 [ 116.633509] CPU: 2 PID: 2234 Comm: cat Tainted: G D W 5.10.145-cip17 #1 [ 116.641261] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 116.647802] PC is at 0x0 [ 116.650353] LR is at execute_location+0xa4/0xb4 [ 116.654893] pc : [<00000000>] lr : [] psr: 600e0013 [ 116.661169] sp : c6ea7e38 ip : c6ea7d40 fp : c6ea7e54 [ 116.666401] r10: 0000000a r9 : c1ad0400 r8 : c15e8544 [ 116.671634] r7 : c6ea7f60 r6 : 00000000 r5 : 00000000 r4 : c0c2f190 [ 116.678169] r3 : 39ee2ac8 r2 : 39ee2ac8 r1 : ef7ab5e0 r0 : 0000002b [ 116.684706] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 116.691850] Control: 10c5387d Table: 16efc04a DAC: 00000051 [ 116.697607] Process cat (pid: 2234, stack limit = 0xa08d256e) [ 116.703362] Stack: (0xc6ea7e38 to 0xc6ea8000) [ 116.707730] 7e20: 00000025 c5860000 [ 116.715920] 7e40: 0000000a c6ea7f60 c6ea7e64 c6ea7e58 c138b2e8 c138b044 c6ea7e74 c6ea7e68 [ 116.724109] 7e60: c0c2e420 c138b2d4 c6ea7e9c c6ea7e78 c0c2e920 c0c2e400 c0c2e800 c5abeb40 [ 116.732298] 7e80: b6e46000 0000000a c532f240 c6ea7f60 c6ea7ec4 c6ea7ea0 c07f5a58 c0c2e80c [ 116.740487] 7ea0: 00000000 c5abeb40 b6e46000 c2816000 c6ea7f60 c07f59f4 c6ea7f5c c6ea7ec8 [ 116.748675] 7ec0: c05986f0 c07f5a00 00000001 00000000 c0598c84 c13a08a0 c0598c84 c6ea6000 [ 116.756865] 7ee0: b6e46000 00020000 00000004 0000000a 0001fff6 c6ea7ee0 00000001 b6e45000 [ 116.765052] 7f00: c681d2c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 116.773240] 7f20: 00000000 00000000 c13a08a0 39ee2ac8 c205cb20 c5abeb40 c5abeb40 c6ea6000 [ 116.781429] 7f40: b6e46000 00000000 00000000 00000004 c6ea7f94 c6ea7f60 c0598c84 c05985f0 [ 116.789616] 7f60: 00000000 00000000 c6ea7fac 39ee2ac8 0000000a 0000000a b6f8de00 00000004 [ 116.797805] 7f80: c03002e4 c6ea6000 c6ea7fa4 c6ea7f98 c0598d14 c0598c1c 00000000 c6ea7fa8 [ 116.805995] 7fa0: c03000c0 c0598d08 0000000a 0000000a 00000001 b6e46000 0000000a 00000000 [ 116.814183] 7fc0: 0000000a 0000000a b6f8de00 00000004 00000001 00000000 00020000 beac3a54 [ 116.822370] 7fe0: 00000004 beac3788 b6ef84cf b6e7e7e6 800e0030 00000001 00000000 00000000 [ 116.830553] Backtrace: [ 116.833024] [] (execute_location) from [] (lkdtm_EXEC_NULL+0x20/0x24) [ 116.841215] r7:c6ea7f60 r6:0000000a r5:c5860000 r4:00000025 [ 116.846896] [] (lkdtm_EXEC_NULL) from [] (lkdtm_do_action+0x2c/0x4c) [ 116.855006] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 116.863029] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 116.870959] r9:c6ea7f60 r8:c532f240 r7:0000000a r6:b6e46000 r5:c5abeb40 r4:c0c2e800 [ 116.878722] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 116.886566] r9:c07f59f4 r8:c6ea7f60 r7:c2816000 r6:b6e46000 r5:c5abeb40 r4:00000000 [ 116.894321] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 116.901468] r10:00000004 r9:00000000 r8:00000000 r7:b6e46000 r6:c6ea6000 r5:c5abeb40 [ 116.909304] r4:c5abeb40 [ 116.911851] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 116.919000] r9:c6ea6000 r8:c03002e4 r7:00000004 r6:b6f8de00 r5:0000000a r4:0000000a [ 116.926760] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 116.934335] Exception stack(0xc6ea7fa8 to 0xc6ea7ff0) [ 116.939398] 7fa0: 0000000a 0000000a 00000001 b6e46000 0000000a 00000000 [ 116.947587] 7fc0: 0000000a 0000000a b6f8de00 00000004 00000001 00000000 00020000 beac3a54 [ 116.955773] 7fe0: 00000004 beac3788 b6ef84cf b6e7e7e6 [ 116.960841] Code: bad PC value [ 116.963996] ---[ end trace ca4978ee28c7184f ]--- # Segmentation fault # [ 116.566025] lkdtm: Performing direct entry EXEC_NULL # [ 116.571113] lkdtm: attempting ok execution at c0c2f190 # [ 116.576266] lkdtm: attempting bad execution at 00000000 # [ 116.581584] 8<--- cut here --- # [ 116.584657] Unable to handle kernel NULL pointer dereference at virtual address 00000000 # [ 116.592867] pgd = b7b32bd2 # [ 116.595596] [00000000] *pgd=00000000 # [ 116.599209] Internal error: Oops: 80000005 [#9] SMP ARM # [ 116.604449] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imx_ldb etnaviv dw_hdmi_imx dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 # [ 116.633509] CPU: 2 PID: 2234 Comm: cat Tainted: G D W 5.10.145-cip17 #1 # [ 116.641261] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 116.647802] PC is at 0x0 # [ 116.650353] LR is at execute_location+0xa4/0xb4 # [ 116.654893] pc : [<00000000>] lr : [] psr: 600e0013 # [ 116.661169] sp : c6ea7e38 ip : c6ea7d40 fp : c6ea7e54 # [ 116.666401] r10: 0000000a r9 : c1ad0400 r8 : c15e8544 # [ 116.671634] r7 : c6ea7f60 r6 : 00000000 r5 : 00000000 r4 : c0c2f190 # [ 116.678169] r3 : 39ee2ac8 r2 : 39ee2ac8 r1 : ef7ab5e0 r0 : 0000002b # [ 116.684706] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 116.691850] Control: 10c5387d Table: 16efc04a DAC: 00000051 # [ 116.697607] Process cat (pid: 2234, stack limit = 0xa08d256e) # [ 116.703362] Stack: (0xc6ea7e38 to 0xc6ea8000) # [ 116.707730] 7e20: 00000025 c5860000 # [ 116.715920] 7e40: 0000000a c6ea7f60 c6ea7e64 c6ea7e58 c138b2e8 c138b044 c6ea7e74 c6ea7e68 # [ 116.724109] 7e60: c0c2e420 c138b2d4 c6ea7e9c c6ea7e78 c0c2e920 c0c2e400 c0c2e800 c5abeb40 # [ 116.732298] 7e80: b6e46000 0000000a c532f240 c6ea7f60 c6ea7ec4 c6ea7ea0 c07f5a58 c0c2e80c # [ 116.740487] 7ea0: 00000000 c5abeb40 b6e46000 c2816000 c6ea7f60 c07f59f4 c6ea7f5c c6ea7ec8 # [ 116.748675] 7ec0: c05986f0 c07f5a00 00000001 00000000 c0598c84 c13a08a0 c0598c84 c6ea6000 # [ 116.756865] 7ee0: b6e46000 00020000 00000004 0000000a 0001fff6 c6ea7ee0 00000001 b6e45000 # [ 116.765052] 7f00: c681d2c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 116.773240] 7f20: 00000000 00000000 c13a08a0 39ee2ac8 c205cb20 c5abeb40 c5abeb40 c6ea6000 # [ 116.781429] 7f40: b6e46000 00000000 00000000 00000004 c6ea7f94 c6ea7f60 c0598c84 c05985f0 # [ 116.789616] 7f60: 00000000 00000000 c6ea7fac 39ee2ac8 0000000a 0000000a b6f8de00 00000004 # [ 116.797805] 7f80: c03002e4 c6ea6000 c6ea7fa4 c6ea7f98 c0598d14 c0598c1c 00000000 c6ea7fa8 # [ 116.805995] 7fa0: c03000c0 c0598d08 0000000a 0000000a 00000001 b6e46000 0000000a 00000000 # [ 116.814183] 7fc0: 0000000a 0000000a b6f8de00 00000004 00000001 00000000 00020000 beac3a54 # [ 116.822370] 7fe0: 00000004 beac3788 b6ef84cf b6e7e7e6 800e0030 00000001 00000000 00000000 # [ 116.830553] Backtrace: # [ 116.833024] [] (execute_location) from [] (lkdtm_EXEC_NULL+0x20/0x24) # [ 116.841215] r7:c6ea7f60 r6:0000000a r5:c5860000 r4:00000025 # [ 116.846896] [] (lkdtm_EXEC_NULL) from [] (lkdtm_do_action+0x2c/0x4c) # [ 116.855006] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 116.863029] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 116.870959] r9:c6ea7f60 r8:c532f240 r7:0000000a r6:b6e46000 r5:c5abeb40 r4:c0c2e800 # [ 116.878722] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 116.886566] r9:c07f59f4 r8:c6ea7f60 r7:c2816000 r6:b6e46000 r5:c5abeb40 r4:00000000 # [ 116.894321] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 116.901468] r10:00000004 r9:00000000 r8:00000000 r7:b6e46000 r6:c6ea6000 r5:c5abeb40 # [ 116.909304] r4:c5abeb40 # [ 116.911851] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 116.919000] r9:c6ea6000 r8:c03002e4 r7:00000004 r6:b6f8de00 r5:0000000a r4:0000000a # [ 116.926760] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 116.934335] Exception stack(0xc6ea7fa8 to 0xc[ 117.508235] lkdtm: Performing direct entry ACCESS_USERSPACE 6ea7ff0) # [ 116.939398] 7fa0: [ 117.514606] lkdtm: attempting bad read at b6f9b000 0000000a 000000[ 117.522182] 8<--- cut here --- 0a 00000001 b[6 e 4161070.05 208060] Unhandled fault: page domain fault (0x01b) at 0xb6f9b000 00000a 0000000[0 1#1 7[. 5 316326] pgd = 566165a6 6.947587] 7fc0: 0000000a[ 0 01017.541029] [b6f9b000] *pgd=492a4831 000a b6f8de00 00000004 0[0 0 1010.547039] Internal error: : 1b [#10] SMP ARM 001 00000000 00020000 beac3a54 #[ 117.553820] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imx_ldb etnaviv dw_hdmi_imx dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 [ 116.955773] 7fe0: 0000[0 0 0117.585525] CPU: 3 PID: 2310 Comm: cat Tainted: G D W 5.10.145-cip17 #1 beac3788 b6ef[8 4 c1f1 7b.65e975776] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 7e6 # [ 116.960841] Code: bad P[ 117.604315] PC is at lkdtm_ACCESS_USERSPACE+0x114/0x16c C value # [ 116.963996] ---[ [e 117.612396] LR is at __irq_work_queue_local+0x40/0x74 nd trace ca4978[e e 2181c77.16824125] pc : [] lr : [] psr: 600e0013 f ]--- # [E X E1C17_.N6U2L8L3:8 ] sp : c6ea5e38 ip : c6ea5d40 fp : c6ea5e64 missing 'call t[r a c1e1:7'.:6 3[344] r10: 00000011 r9 : c1ad040c r8 : c15e8544 FAIL] not ok[ 3 61 1s7e.l6f4t2e63] r7 : c6ea5f60 r6 : 00000051 r5 : c6ea4000 r4 : b6f9b000 sts: lkdtm: [E X E1C1_7N.U6L5L0.998] r3 : 4728b588 r2 : 4728b588 r1 : ef7c05e0 r0 : 00000026 h # exit=1 # se[l f t1e1s7t.s6:59434] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none lkdtm: ACCESS_[U S E1R1S7P.A6C6E8648] Control: 10c5387d Table: 15d4c04a DAC: 00000051 sh [ 117.676391] Process cat (pid: 2310, stack limit = 0x55ec4a4c) [ 117.682478] Stack: (0xc6ea5e38 to 0xc6ea6000) [ 117.686846] 5e20: 00000022 00000000 [ 117.695037] 5e40: 00000000 4728b588 c6ea5e6c 00000026 c5d62000 00000011 c6ea5e74 c6ea5e68 [ 117.703227] 5e60: c0c2e420 c0c2f300 c6ea5e9c c6ea5e78 c0c2e920 c0c2e400 c0c2e800 c681d2c0 [ 117.711416] 5e80: b6e55000 00000011 c532f240 c6ea5f60 c6ea5ec4 c6ea5ea0 c07f5a58 c0c2e80c [ 117.719604] 5ea0: 00000000 c681d2c0 b6e55000 c2816000 c6ea5f60 c07f59f4 c6ea5f5c c6ea5ec8 [ 117.727793] 5ec0: c05986f0 c07f5a00 00000001 00000000 c0598c84 c13a08a0 c0598c84 c6ea4000 [ 117.735982] 5ee0: b6e55000 00020000 00000004 00000011 0001ffef c6ea5ee0 00000001 b6e54000 [ 117.744169] 5f00: c5abf400 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 117.752357] 5f20: 00000000 00000000 c13a08a0 4728b588 c205cb20 c681d2c0 c681d2c0 c6ea4000 [ 117.760544] 5f40: b6e55000 00000000 00000000 00000004 c6ea5f94 c6ea5f60 c0598c84 c05985f0 [ 117.768733] 5f60: 00000000 00000000 c6ea5fac 4728b588 00000011 00000011 b6f9ce00 00000004 [ 117.776921] 5f80: c03002e4 c6ea4000 c6ea5fa4 c6ea5f98 c0598d14 c0598c1c 00000000 c6ea5fa8 [ 117.785108] 5fa0: c03000c0 c0598d08 00000011 00000011 00000001 b6e55000 00000011 00000000 [ 117.793297] 5fc0: 00000011 00000011 b6f9ce00 00000004 00000001 00000000 00020000 bec5ca54 [ 117.801485] 5fe0: 00000004 bec5c788 b6f074cf b6e8d7e6 800e0030 00000001 00000000 00000000 [ 117.809665] Backtrace: [ 117.812140] [] (lkdtm_ACCESS_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) [ 117.820851] r6:00000011 r5:c5d62000 r4:00000026 [ 117.825486] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 117.833509] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 117.841438] r9:c6ea5f60 r8:c532f240 r7:00000011 r6:b6e55000 r5:c681d2c0 r4:c0c2e800 [ 117.849199] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 117.857041] r9:c07f59f4 r8:c6ea5f60 r7:c2816000 r6:b6e55000 r5:c681d2c0 r4:00000000 [ 117.864800] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 117.871946] r10:00000004 r9:00000000 r8:00000000 r7:b6e55000 r6:c6ea4000 r5:c681d2c0 [ 117.879781] r4:c681d2c0 [ 117.882328] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 117.889475] r9:c6ea4000 r8:c03002e4 r7:00000004 r6:b6f9ce00 r5:00000011 r4:00000011 [ 117.897234] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 117.904809] Exception stack(0xc6ea5fa8 to 0xc6ea5ff0) [ 117.909871] 5fa0: 00000011 00000011 00000001 b6e55000 00000011 00000000 [ 117.918061] 5fc0: 00000011 00000011 b6f9ce00 00000004 00000001 00000000 00020000 bec5ca54 [ 117.926248] 5fe0: 00000004 bec5c788 b6f074cf b6e8d7e6 [ 117.931313] Code: e1a01004 e3010330 e34c01ad eb1d43fb (e5943000) [ 117.937422] ---[ end trace ca4978ee28c71850 ]--- # Segmentation fault # [ 117.508235] lkdtm: Performing direct entry ACCESS_USERSPACE # [ 117.514606] lkdtm: attempting bad read at b6f9b000 # [ 117.522182] 8<--- cut here --- # [ 117.528060] Unhandled fault: page domain fault (0x01b) at 0xb6f9b000 # [ 117.536326] pgd = 566165a6 # [ 117.541029] [b6f9b000] *pgd=492a4831 # [ 117.547039] Internal error: : 1b [#10] SMP ARM # [ 117.553820] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imx_ldb etnaviv dw_hdmi_imx dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 # [ 117.585525] CPU: 3 PID: 2310 Comm: cat Tainted: G D W 5.10.145-cip17 #1 # [ 117.595776] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 117.604315] PC is at lkdtm_ACCESS_USERSPACE+0x114/0x16c # [ 117.612396] LR is at __irq_work_queue_local+0x40/0x74 # [ 117.620125] pc : [] lr : [] psr: 600e0013 # [ 117.628382] sp : c6ea5e38 ip : c6ea5d40 fp : c6ea5e64 # [ 117.635344] r10: 00000011 r9 : c1ad040c r8 : c15e8544 # [ 117.642563] r7 : c6ea5f60 r6 : 00000051 r5 : c6ea4000 r4 : b6f9b000 # [ 117.650998] r3 : 4728b588 r2 : 4728b588 r1 : ef7c05e0 r0 : 00000026 # [ 117.659434] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 117.668648] Control: 10c5387d Table: 15d4c04a DAC: 00000051 # [ 117.676391] Process cat (pid: 2310, stack limit = 0x55ec4a4c) # [ 117.682478] Stack: (0xc6ea5e38 to 0xc6ea6000) # [ 117.686846] 5e20: 00000022 00000000 # [ 117.695037] 5e40: 00000000 4728b588 c6ea5e6c 00000026 c5d62000 00000011 c6ea5e74 c6ea5e68 # [ 117.703227] 5e60: c0c2e420 c0c2f300 c6ea5e9c c6ea5e78 c0c2e920 c0c2e400 c0c2e800 c681d2c0 # [ 117.711416] 5e80: b6e55000 00000011 c532f240 c6ea5f60 c6ea5ec4 c6ea5ea0 c07f5a58 c0c2e80c # [ 117.719604] 5ea0: 00000000 c681d2c0 b6e55000 c2816000 c6ea5f60 c07f59f4 c6ea5f5c c6ea5ec8 # [ 117.727793] 5ec0: c05986f0 c07f5a00 00000001 00000000 c0598c84 c13a08a0 c0598c84 c6ea4000 # [ 117.735982] 5ee0: b6e55000 00020000 00000004 00000011 0001ffef c6ea5ee0 00000001 b6e54000 # [ 117.744169] 5f00: c5abf400 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 117.752357] 5f20: 00000000 00000000 c13a08a0 4728b588 c205cb20 c681d2c0 c681d2c0 c6ea4000 # [ 117.760544] 5f40: b6e55000 00000000 00000000 00000004 c6ea5f94 c6ea5f60 c0598c84 c05985f0 # [ 117.768733] 5f60: 00000000 00000000 c6ea5fac 4728b588 00000011 00000011 b6f9ce00 00000004 # [ 117.776921] 5f80: c03002e4 c6ea4000 c6ea5fa4 c6ea5f98 c0598d14 c0598c1c 00000000 c6ea5fa8 # [ 117.785108] 5fa0: c03000c0 c0598d08 00000011 00000011 00000001 b6e55000 00000011 00000000 # [ 117.793297] 5fc0: 00000011 00000011 b6f9ce00 00000004 00000001 00000000 00020000 bec5ca54 # [ 117.801485] 5fe0: 00000004 bec5c788 b6f074cf b6e8d7e6 800e0030 00000001 00000000 00000000 # [ 117.809665] Backtrace: # [ 117.812140] [] (lkdtm_ACCESS_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 117.820851] r6:00000011 r5:c5d62000 r4:00000026 # [ 117.825486] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 117.833509] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 117.841438] r9:c6ea5f60 r8:c532f240 r7:00000011 r6:b6e55000 r5:c681d2c0 r4:c0c2e800 # [ 117.849199] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 117.857041] r9:c07f59f4 r8:c6ea5f60 r7:c2816000 r6:b6e55000 r5:c681d2c0 r4:00000000 # [ 117.864800] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 117.871946] r10:00000004 r9:00000000 r8:00000000 r7:b6e55000 r6:c6ea4000 r5:c681d2c0 # [ 117.879781] r4:c681d2c0 # [ 117.882328] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 117.889475] r9:c6ea4000 r8:c03002e4 r7:00000004 r6:b6f9ce00 r5:00000011 r4:00000011 # [ 117.897234] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 117.904809] Exception stack(0xc6ea5fa8 to 0xc6ea5ff0) # [ 117.909871] 5fa0: 00000011 00000011 00000001 b6e55000 00000011 00000000 # [ 117.918061] 5fc0: 00000011 00000011 b6f9ce00 00000004 00000001 00000000 00020000 bec5ca54 # [ 117.926248] 5fe0: 00000004 bec5c788 b6f074cf b6e8d7e6 # [ 117.931313] Code: e1a01004 e3010330 e34c01ad eb1d43fb (e5943000) # [ 117.937422] ---[ end trace ca4978ee28c71850 ]--- # ACCESS_USERSPACE: missing 'call trace:': [FAIL] not ok 37 selftests: lkdtm: ACCESS_USERSPACE.sh # exit=1 # selftests: lkdtm: ACCESS_NULL.sh [ 118.516014] lkdtm: Performing direct entry ACCESS_NULL [ 118.521315] lkdtm: attempting bad read at 00000000 [ 118.526160] 8<--- cut here --- [ 118.529247] Unable to handle kernel NULL pointer dereference at virtual address 00000000 [ 118.537442] pgd = 566165a6 [ 118.540167] [00000000] *pgd=00000000 [ 118.543838] Internal error: Oops: 5 [#11] SMP ARM [ 118.548557] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imx_ldb etnaviv dw_hdmi_imx dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 [ 118.577624] CPU: 3 PID: 2385 Comm: cat Tainted: G D W 5.10.145-cip17 #1 [ 118.585377] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 118.591925] PC is at lkdtm_ACCESS_NULL+0x28/0x68 [ 118.596553] LR is at 0x0 [ 118.599096] pc : [] lr : [<00000000>] psr: 600e0013 [ 118.605372] sp : c6c51e50 ip : 00000027 fp : c6c51e64 [ 118.610605] r10: 0000000c r9 : c1ad0420 r8 : c15e8544 [ 118.615837] r7 : c6c51f60 r6 : 0000000c r5 : c6973000 r4 : 00000000 [ 118.622371] r3 : 7b2d45f4 r2 : 7b2d45f4 r1 : ef7c05e4 r0 : 00000026 [ 118.628908] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 118.636053] Control: 10c5387d Table: 15d4c04a DAC: 00000051 [ 118.641808] Process cat (pid: 2385, stack limit = 0x2ba7a024) [ 118.647563] Stack: (0xc6c51e50 to 0xc6c52000) [ 118.651932] 1e40: 00000027 c6973000 c6c51e74 c6c51e68 [ 118.660121] 1e60: c0c2e420 c138b2f8 c6c51e9c c6c51e78 c0c2e920 c0c2e400 c0c2e800 c681cb40 [ 118.668310] 1e80: b6e8e000 0000000c c532f240 c6c51f60 c6c51ec4 c6c51ea0 c07f5a58 c0c2e80c [ 118.676498] 1ea0: 00000000 c681cb40 b6e8e000 c2816000 c6c51f60 c07f59f4 c6c51f5c c6c51ec8 [ 118.684688] 1ec0: c05986f0 c07f5a00 00000001 00000000 c0598c84 c13a08a0 c0598c84 c6c50000 [ 118.692876] 1ee0: b6e8e000 00020000 00000004 0000000c 0001fff4 c6c51ee0 00000001 b6e8d000 [ 118.701064] 1f00: c5b38000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 118.709254] 1f20: 00000000 00000000 c13a08a0 7b2d45f4 c205cb20 c681cb40 c681cb40 c6c50000 [ 118.717443] 1f40: b6e8e000 00000000 00000000 00000004 c6c51f94 c6c51f60 c0598c84 c05985f0 [ 118.725633] 1f60: 00000000 00000000 c6c51fac 7b2d45f4 0000000c 0000000c b6fd5e00 00000004 [ 118.733822] 1f80: c03002e4 c6c50000 c6c51fa4 c6c51f98 c0598d14 c0598c1c 00000000 c6c51fa8 [ 118.742010] 1fa0: c03000c0 c0598d08 0000000c 0000000c 00000001 b6e8e000 0000000c 00000000 [ 118.750199] 1fc0: 0000000c 0000000c b6fd5e00 00000004 00000001 00000000 00020000 bea81a54 [ 118.758387] 1fe0: 00000004 bea81788 b6f404cf b6ec67e6 800e0030 00000001 00000000 00000000 [ 118.766569] Backtrace: [ 118.769048] [] (lkdtm_ACCESS_NULL) from [] (lkdtm_do_action+0x2c/0x4c) [ 118.777322] r5:c6973000 r4:00000027 [ 118.780916] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 118.788940] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 118.796869] r9:c6c51f60 r8:c532f240 r7:0000000c r6:b6e8e000 r5:c681cb40 r4:c0c2e800 [ 118.804631] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 118.812473] r9:c07f59f4 r8:c6c51f60 r7:c2816000 r6:b6e8e000 r5:c681cb40 r4:00000000 [ 118.820230] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 118.827377] r10:00000004 r9:00000000 r8:00000000 r7:b6e8e000 r6:c6c50000 r5:c681cb40 [ 118.835213] r4:c681cb40 [ 118.837760] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 118.844908] r9:c6c50000 r8:c03002e4 r7:00000004 r6:b6fd5e00 r5:0000000c r4:0000000c [ 118.852666] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 118.860242] Exception stack(0xc6c51fa8 to 0xc6c51ff0) [ 118.865307] 1fa0: 0000000c 0000000c 00000001 b6e8e000 0000000c 00000000 [ 118.873499] 1fc0: 0000000c 0000000c b6fd5e00 00000004 00000001 00000000 00020000 bea81a54 [ 118.881686] 1fe0: 00000004 bea81788 b6f404cf b6ec67e6 [ 118.886752] Code: e3010330 e34c01ad e1a01004 ebffd438 (e5945000) [ 118.892940] ---[ end trace ca4978ee28c71851 ]--- # Segmentation fault # [ 118.516014] lkdtm: Performing direct entry ACCESS_NULL # [ 118.521315] lkdtm: attempting bad read at 00000000 # [ 118.526160] 8<--- cut here --- # [ 118.529247] Unable to handle kernel NULL pointer dereference at virtual address 00000000 # [ 118.537442] pgd = 566165a6 # [ 118.540167] [00000000] *pgd=00000000 # [ 118.543838] Internal error: Oops: 5 [#11] SMP ARM # [ 118.548557] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imx_ldb etnaviv dw_hdmi_imx dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 # [ 118.577624] CPU: 3 PID: 2385 Comm: cat Tainted: G D W 5.10.145-cip17 #1 # [ 118.585377] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 118.591925] PC is at lkdtm_ACCESS_NULL+0x28/0x68 # [ 118.596553] LR is at 0x0 # [ 118.599096] pc : [] lr : [<00000000>] psr: 600e0013 # [ 118.605372] sp : c6c51e50 ip : 00000027 fp : c6c51e64 # [ 118.610605] r10: 0000000c r9 : c1ad0420 r8 : c15e8544 # [ 118.615837] r7 : c6c51f60 r6 : 0000000c r5 : c6973000 r4 : 00000000 # [ 118.622371] r3 : 7b2d45f4 r2 : 7b2d45f4 r1 : ef7c05e4 r0 : 00000026 # [ 118.628908] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 118.636053] Control: 10c5387d Table: 15d4c04a DAC: 00000051 # [ 118.641808] Process cat (pid: 2385, stack limit = 0x2ba7a024) # [ 118.647563] Stack: (0xc6c51e50 to 0xc6c52000) # [ 118.651932] 1e40: 00000027 c6973000 c6c51e74 c6c51e68 # [ 118.660121] 1e60: c0c2e420 c138b2f8 c6c51e9c c6c51e78 c0c2e920 c0c2e400 c0c2e800 c681cb40 # [ 118.668310] 1e80: b6e8e000 0000000c c532f240 c6c51f60 c6c51ec4 c6c51ea0 c07f5a58 c0c2e80c # [ 118.676498] 1ea0: 00000000 c681cb40 b6e8e000 c2816000 c6c51f60 c07f59f4 c6c51f5c c6c51ec8 # [ 118.684688] 1ec0: c05986f0 c07f5a00 00000001 00000000 c0598c84 c13a08a0 c0598c84 c6c50000 # [ 118.692876] 1ee0: b6e8e000 00020000 00000004 0000000c 0001fff4 c6c51ee0 00000001 b6e8d000 # [ 118.701064] 1f00: c5b38000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 118.709254] 1f20: 00000000 00000000 c13a08a0 7b2d45f4 c205cb20 c681cb40 c681cb40 c6c50000 # [ 118.717443] 1f40: b6e8e000 00000000 00000000 00000004 c6c51f94 c6c51f60 c0598c84 c05985f0 # [ 118.725633] 1f60: 00000000 00000000 c6c51fac 7b2d45f4 0000000c 0000000c b6fd5e00 00000004 # [ 118.733822] 1f80: c03002e4 c6c50000 c6c51fa4 c6c51f98 c0598d14 c0598c1c 00000000 c6c51fa8 # [ 118.742010] 1fa0: c03000c0 c0598d08 0000000c 0000000c 00000001 b6e8e000 0000000c 00000000 # [ 118.750199] 1fc0: 0000000c 0000000c b6fd5e00 00000004 00000001 00000000 00020000 bea81a54 # [ 118.758387] 1fe0: 00000004 bea81788 b6f404cf b6ec67e6 800e0030 00000001 00000000 00000000 # [ 118.766569] Backtrace: # [ 118.769048] [] (lkdtm_ACCESS_NULL) from [] (lkdtm_do_action+0x2c/0x4c) # [ 118.777322] r5:c6973000 r4:00000027 # [ 118.780916] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 118.788940] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 118.796869] r9:c6c51f60 r8:c532f240 r7:0000000c r6:b6e8e000 r5:c681cb40 r4:c0c2e800 # [ 118.804631] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 118.812473] r9:c07f59f4 r8:c6c51f60 r7:c2816000 r6:b6e8e000 r5:c681cb40 r4:00000000 # [ 118.820230] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 118.827377] r10:00000004 r9:00000000 r8:00000000 r7:b6e8e000 r6:c6c50000 r5:c681cb40 # [ 118.835213] r4:c681cb40 # [ 118.837760] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 118.844908] r9:c6c50000 r8:c03002e4 r7:00000004 r6:b6fd5e00 r5:0000000c r4:0000000c # [ 118.852666] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 118.860242] Exception stack(0xc6c51fa8 to 0xc6c51ff0) # [ 118.865307] 1fa0: 0000000c 0000000c 00000001 b6e8e000 0000000c 00000000 # [ 118.873499] 1fc0: 0000000c 0000000c b6fd5e00 00000004 00000001 00000000 00020000 bea81a54 # [ 118.881686] 1fe0: 00000004 bea81788 b6f404cf b6ec67e6 # [ 118.886752] Code: e3010330 e34c01ad e1a01004 ebffd438 (e5945000) # [ 118.892940] ---[ end trace ca4978ee28c71851 ]--- # ACCESS_NULL: missing 'call trace:': [FAIL] not ok 38 selftests: lkdtm: ACCESS_NULL.sh # exit=1 # selftests: lkdtm: WRITE_RO.sh [ 119.446256] lkdtm: Performing direct entry WRITE_RO [ 119.451223] lkdtm: attempting bad rodata write at c15e87dc [ 119.456726] 8<--- cut here --- [ 119.459789] Unable to handle kernel paging request at virtual address c15e87dc [ 119.467021] pgd = b7b32bd2 [ 119.469735] [c15e87dc] *pgd=1141941e(bad) [ 119.473769] Internal error: Oops: 80d [#12] SMP ARM [ 119.478656] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imx_ldb etnaviv dw_hdmi_imx dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 [ 119.507732] CPU: 3 PID: 2459 Comm: cat Tainted: G D W 5.10.145-cip17 #1 [ 119.515482] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 119.522026] PC is at lkdtm_WRITE_RO+0x44/0x50 [ 119.526394] LR is at 0x0 [ 119.528936] pc : [] lr : [<00000000>] psr: 600e0013 [ 119.535209] sp : c6efbe50 ip : 00000027 fp : c6efbe64 [ 119.540440] r10: 00000009 r9 : c1ad042c r8 : c15e8544 [ 119.545672] r7 : c6efbf60 r6 : 00000009 r5 : c5843000 r4 : c15e87dc [ 119.552207] r3 : 0198b861 r2 : aa55aa55 r1 : ef7c05e4 r0 : c1ad1230 [ 119.558743] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 119.565887] Control: 10c5387d Table: 16efc04a DAC: 00000051 [ 119.571641] Process cat (pid: 2459, stack limit = 0xe4449fe0) [ 119.577395] Stack: (0xc6efbe50 to 0xc6efc000) [ 119.581765] be40: 00000028 c5843000 c6efbe74 c6efbe68 [ 119.589953] be60: c0c2e420 c138b0f8 c6efbe9c c6efbe78 c0c2e920 c0c2e400 c0c2e800 c6e1b540 [ 119.598142] be80: b6e53000 00000009 c532f240 c6efbf60 c6efbec4 c6efbea0 c07f5a58 c0c2e80c [ 119.606330] bea0: 00000000 c6e1b540 b6e53000 c2816000 c6efbf60 c07f59f4 c6efbf5c c6efbec8 [ 119.614519] bec0: c05986f0 c07f5a00 00000001 00000000 c0598c84 c13a08a0 c0598c84 c6efa000 [ 119.622707] bee0: b6e53000 00020000 00000004 00000009 0001fff7 c6efbee0 00000001 b6e52000 [ 119.630894] bf00: c5abc780 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 119.639083] bf20: 00000000 00000000 c13a08a0 d04ca753 c205cb20 c6e1b540 c6e1b540 c6efa000 [ 119.647270] bf40: b6e53000 00000000 00000000 00000004 c6efbf94 c6efbf60 c0598c84 c05985f0 [ 119.655457] bf60: 00000000 00000000 c6efbfac d04ca753 00000009 00000009 b6f9ae00 00000004 [ 119.663645] bf80: c03002e4 c6efa000 c6efbfa4 c6efbf98 c0598d14 c0598c1c 00000000 c6efbfa8 [ 119.671834] bfa0: c03000c0 c0598d08 00000009 00000009 00000001 b6e53000 00000009 00000000 [ 119.680022] bfc0: 00000009 00000009 b6f9ae00 00000004 00000001 00000000 00020000 be81ea54 [ 119.688210] bfe0: 00000004 be81e788 b6f054cf b6e8b7e6 800e0030 00000001 00000000 00000000 [ 119.696392] Backtrace: [ 119.698868] [] (lkdtm_WRITE_RO) from [] (lkdtm_do_action+0x2c/0x4c) [ 119.706882] r5:c5843000 r4:00000028 [ 119.710474] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 119.718499] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 119.726428] r9:c6efbf60 r8:c532f240 r7:00000009 r6:b6e53000 r5:c6e1b540 r4:c0c2e800 [ 119.734188] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 119.742030] r9:c07f59f4 r8:c6efbf60 r7:c2816000 r6:b6e53000 r5:c6e1b540 r4:00000000 [ 119.749787] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 119.756933] r10:00000004 r9:00000000 r8:00000000 r7:b6e53000 r6:c6efa000 r5:c6e1b540 [ 119.764768] r4:c6e1b540 [ 119.767314] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 119.774460] r9:c6efa000 r8:c03002e4 r7:00000004 r6:b6f9ae00 r5:00000009 r4:00000009 [ 119.782217] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 119.789792] Exception stack(0xc6efbfa8 to 0xc6efbff0) [ 119.794854] bfa0: 00000009 00000009 00000001 b6e53000 00000009 00000000 [ 119.803043] bfc0: 00000009 00000009 b6f9ae00 00000004 00000001 00000000 00020000 be81ea54 [ 119.811228] bfe0: 00000004 be81e788 b6f054cf b6e8b7e6 [ 119.816291] Code: e34a3bcd e3010230 e34c01ad e0233002 (e5843000) [ 119.822398] ---[ end trace ca4978ee28c71852 ]--- # Segmentation fault # [ 119.446256] lkdtm: Performing direct entry WRITE_RO # [ 119.451223] lkdtm: attempting bad rodata write at c15e87dc # [ 119.456726] 8<--- cut here --- # [ 119.459789] Unable to handle kernel paging request at virtual address c15e87dc # [ 119.467021] pgd = b7b32bd2 # [ 119.469735] [c15e87dc] *pgd=1141941e(bad) # [ 119.473769] Internal error: Oops: 80d [#12] SMP ARM # [ 119.478656] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imx_ldb etnaviv dw_hdmi_imx dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 # [ 119.507732] CPU: 3 PID: 2459 Comm: cat Tainted: G D W 5.10.145-cip17 #1 # [ 119.515482] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 119.522026] PC is at lkdtm_WRITE_RO+0x44/0x50 # [ 119.526394] LR is at 0x0 # [ 119.528936] pc : [] lr : [<00000000>] psr: 600e0013 # [ 119.535209] sp : c6efbe50 ip : 00000027 fp : c6efbe64 # [ 119.540440] r10: 00000009 r9 : c1ad042c r8 : c15e8544 # [ 119.545672] r7 : c6efbf60 r6 : 00000009 r5 : c5843000 r4 : c15e87dc # [ 119.552207] r3 : 0198b861 r2 : aa55aa55 r1 : ef7c05e4 r0 : c1ad1230 # [ 119.558743] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 119.565887] Control: 10c5387d Table: 16efc04a DAC: 00000051 # [ 119.571641] Process cat (pid: 2459, stack limit = 0xe4449fe0) # [ 119.577395] Stack: (0xc6efbe50 to 0xc6efc000) # [ 119.581765] be40: 00000028 c5843000 c6efbe74 c6efbe68 # [ 119.589953] be60: c0c2e420 c138b0f8 c6efbe9c c6efbe78 c0c2e920 c0c2e400 c0c2e800 c6e1b540 # [ 119.598142] be80: b6e53000 00000009 c532f240 c6efbf60 c6efbec4 c6efbea0 c07f5a58 c0c2e80c # [ 119.606330] bea0: 00000000 c6e1b540 b6e53000 c2816000 c6efbf60 c07f59f4 c6efbf5c c6efbec8 # [ 119.614519] bec0: c05986f0 c07f5a00 00000001 00000000 c0598c84 c13a08a0 c0598c84 c6efa000 # [ 119.622707] bee0: b6e53000 00020000 00000004 00000009 0001fff7 c6efbee0 00000001 b6e52000 # [ 119.630894] bf00: c5abc780 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 119.639083] bf20: 00000000 00000000 c13a08a0 d04ca753 c205cb20 c6e1b540 c6e1b540 c6efa000 # [ 119.647270] bf40: b6e53000 00000000 00000000 00000004 c6efbf94 c6efbf60 c0598c84 c05985f0 # [ 119.655457] bf60: 00000000 00000000 c6efbfac d04ca753 00000009 00000009 b6f9ae00 00000004 # [ 119.663645] bf80: c03002e4 c6efa000 c6efbfa4 c6efbf98 c0598d14 c0598c1c 00000000 c6efbfa8 # [ 119.671834] bfa0: c03000c0 c0598d08 00000009 00000009 00000001 b6e53000 00000009 00000000 # [ 119.680022] bfc0: 00000009 00000009 b6f9ae00 00000004 00000001 00000000 00020000 be81ea54 # [ 119.688210] bfe0: 00000004 be81e788 b6f054cf b6e8b7e6 800e0030 00000001 00000000 00000000 # [ 119.696392] Backtrace: # [ 119.698868] [] (lkdtm_WRITE_RO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 119.706882] r5:c5843000 r4:00000028 # [ 119.710474] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 119.718499] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 119.726428] r9:c6efbf60 r8:c532f240 r7:00000009 r6:b6e53000 r5:c6e1b540 r4:c0c2e800 # [ 119.734188] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 119.742030] r9:c07f59f4 r8:c6efbf60 r7:c2816000 r6:b6e53000 r5:c6e1b540 r4:00000000 # [ 119.749787] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 119.756933] r10:00000004 r9:00000000 r8:00000000 r7:b6e53000 r6:c6efa000 r5:c6e1b540 # [ 119.764768] r4:c6e1b540 # [ 119.767314] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 119.774460] r9:c6efa000 r8:c03002e4 r7:00000004 r6:b6f9ae00 r5:00000009 r4:00000009 # [ 119.782217] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 119.789792] Exception stack(0xc6efbfa8 to 0xc6efbff0) # [ 119.794854] bfa0: 00000009 00000009 00000001 b6e53000 00000009 00000000 # [ 119.803043] bfc0: 00000009 00000009 b6f9ae00 00000004 00000001 00000000 00020000 be81ea54 # [ 119.811228] bfe0: 00000004 be81e788 b6f054cf b6e8b7e6 # [ 119.816291] Code: e34a3bcd e3010230 e34c01ad e0233002 (e5843000) # [ 119.822398] ---[ end trace ca4978ee28c71852 ]--- # WRITE_RO: missing 'call trace:': [FAIL] not ok 39 selftests: lkdtm: WRITE_RO.sh # exit=1 # selftests: lkdtm: WRITE_RO_AFTER_INIT.sh [ 120.406478] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT [ 120.412407] lkdtm: attempting bad ro_after_init write at c1b83c60 [ 120.418520] 8<--- cut here --- [ 120.421582] Unable to handle kernel paging request at virtual address c1b83c60 [ 120.428812] pgd = 8fafdb1b [ 120.431526] [c1b83c60] *pgd=11a1941e(bad) [ 120.435561] Internal error: Oops: 80d [#13] SMP ARM [ 120.440449] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imx_ldb etnaviv dw_hdmi_imx dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 [ 120.469526] CPU: 0 PID: 2533 Comm: cat Tainted: G D W 5.10.145-cip17 #1 [ 120.477277] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 120.483823] PC is at lkdtm_WRITE_RO_AFTER_INIT+0x64/0x70 [ 120.489146] LR is at 0x0 [ 120.491688] pc : [] lr : [<00000000>] psr: 600e0013 [ 120.497963] sp : c5d4fe50 ip : 00000027 fp : c5d4fe64 [ 120.503194] r10: 00000014 r9 : c1ad0438 r8 : c15e8544 [ 120.508427] r7 : c5d4ff60 r6 : 00000014 r5 : c6b04000 r4 : c1b83c60 [ 120.514960] r3 : fe67479e r2 : 55aa55aa r1 : ef7815e4 r0 : c1ad1230 [ 120.521496] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 120.528639] Control: 10c5387d Table: 16f1804a DAC: 00000051 [ 120.534392] Process cat (pid: 2533, stack limit = 0xeb969d01) [ 120.540145] Stack: (0xc5d4fe50 to 0xc5d50000) [ 120.544514] fe40: 00000029 c6b04000 c5d4fe74 c5d4fe68 [ 120.552702] fe60: c0c2e420 c138b148 c5d4fe9c c5d4fe78 c0c2e920 c0c2e400 c0c2e800 c681c500 [ 120.560891] fe80: b6dea000 00000014 c532f240 c5d4ff60 c5d4fec4 c5d4fea0 c07f5a58 c0c2e80c [ 120.569079] fea0: 00000000 c681c500 b6dea000 c2816000 c5d4ff60 c07f59f4 c5d4ff5c c5d4fec8 [ 120.577269] fec0: c05986f0 c07f5a00 00000001 00000000 c0598c84 c59dc5e4 c0598c84 c5d4e000 [ 120.585458] fee0: b6dea000 00020000 00000004 00000014 0001ffec c5d4fee0 00000001 00000805 [ 120.593647] ff00: c5abcf00 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 120.601836] ff20: 00000000 00000000 c5d4e000 2f007a10 b6de9000 c681c500 c681c500 c5d4e000 [ 120.610024] ff40: b6dea000 00000000 00000000 00000004 c5d4ff94 c5d4ff60 c0598c84 c05985f0 [ 120.618212] ff60: 00000000 00000000 c5d4ffac 2f007a10 00000014 00000014 b6f31e00 00000004 [ 120.626400] ff80: c03002e4 c5d4e000 c5d4ffa4 c5d4ff98 c0598d14 c0598c1c 00000000 c5d4ffa8 [ 120.634587] ffa0: c03000c0 c0598d08 00000014 00000014 00000001 b6dea000 00000014 00000000 [ 120.642775] ffc0: 00000014 00000014 b6f31e00 00000004 00000001 00000000 00020000 bede3a54 [ 120.650962] ffe0: 00000004 bede3788 b6e9c4cf b6e227e6 800e0030 00000001 00000000 00000000 [ 120.659143] Backtrace: [ 120.661620] [] (lkdtm_WRITE_RO_AFTER_INIT) from [] (lkdtm_do_action+0x2c/0x4c) [ 120.670589] r5:c6b04000 r4:00000029 [ 120.674181] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 120.682204] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 120.690132] r9:c5d4ff60 r8:c532f240 r7:00000014 r6:b6dea000 r5:c681c500 r4:c0c2e800 [ 120.697894] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 120.705734] r9:c07f59f4 r8:c5d4ff60 r7:c2816000 r6:b6dea000 r5:c681c500 r4:00000000 [ 120.713488] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 120.720634] r10:00000004 r9:00000000 r8:00000000 r7:b6dea000 r6:c5d4e000 r5:c681c500 [ 120.728469] r4:c681c500 [ 120.731015] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 120.738162] r9:c5d4e000 r8:c03002e4 r7:00000004 r6:b6f31e00 r5:00000014 r4:00000014 [ 120.745920] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 120.753496] Exception stack(0xc5d4ffa8 to 0xc5d4fff0) [ 120.758558] ffa0: 00000014 00000014 00000001 b6dea000 00000014 00000000 [ 120.766747] ffc0: 00000014 00000014 b6f31e00 00000004 00000001 00000000 00020000 bede3a54 [ 120.774932] ffe0: 00000004 bede3788 b6e9c4cf b6e227e6 [ 120.779994] Code: e34a3bcd e3010230 e34c01ad e0233002 (e5843000) [ 120.786101] ---[ end trace ca4978ee28c71853 ]--- # Segmentation fault # [ 120.406478] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT # [ 120.412407] lkdtm: attempting bad ro_after_init write at c1b83c60 # [ 120.418520] 8<--- cut here --- # [ 120.421582] Unable to handle kernel paging request at virtual address c1b83c60 # [ 120.428812] pgd = 8fafdb1b # [ 120.431526] [c1b83c60] *pgd=11a1941e(bad) # [ 120.435561] Internal error: Oops: 80d [#13] SMP ARM # [ 120.440449] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imx_ldb etnaviv dw_hdmi_imx dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 # [ 120.469526] CPU: 0 PID: 2533 Comm: cat Tainted: G D W 5.10.145-cip17 #1 # [ 120.477277] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 120.483823] PC is at lkdtm_WRITE_RO_AFTER_INIT+0x64/0x70 # [ 120.489146] LR is at 0x0 # [ 120.491688] pc : [] lr : [<00000000>] psr: 600e0013 # [ 120.497963] sp : c5d4fe50 ip : 00000027 fp : c5d4fe64 # [ 120.503194] r10: 00000014 r9 : c1ad0438 r8 : c15e8544 # [ 120.508427] r7 : c5d4ff60 r6 : 00000014 r5 : c6b04000 r4 : c1b83c60 # [ 120.514960] r3 : fe67479e r2 : 55aa55aa r1 : ef7815e4 r0 : c1ad1230 # [ 120.521496] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 120.528639] Control: 10c5387d Table: 16f1804a DAC: 00000051 # [ 120.534392] Process cat (pid: 2533, stack limit = 0xeb969d01) # [ 120.540145] Stack: (0xc5d4fe50 to 0xc5d50000) # [ 120.544514] fe40: 00000029 c6b04000 c5d4fe74 c5d4fe68 # [ 120.552702] fe60: c0c2e420 c138b148 c5d4fe9c c5d4fe78 c0c2e920 c0c2e400 c0c2e800 c681c500 # [ 120.560891] fe80: b6dea000 00000014 c532f240 c5d4ff60 c5d4fec4 c5d4fea0 c07f5a58 c0c2e80c # [ 120.569079] fea0: 00000000 c681c500 b6dea000 c2816000 c5d4ff60 c07f59f4 c5d4ff5c c5d4fec8 # [ 120.577269] fec0: c05986f0 c07f5a00 00000001 00000000 c0598c84 c59dc5e4 c0598c84 c5d4e000 # [ 120.585458] fee0: b6dea000 00020000 00000004 00000014 0001ffec c5d4fee0 00000001 00000805 # [ 120.593647] ff00: c5abcf00 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 120.601836] ff20: 00000000 00000000 c5d4e000 2f007a10 b6de9000 c681c500 c681c500 c5d4e000 # [ 120.610024] ff40: b6dea000 00000000 00000000 00000004 c5d4ff94 c5d4ff60 c0598c84 c05985f0 # [ 120.618212] ff60: 00000000 00000000 c5d4ffac 2f007a10 00000014 00000014 b6f31e00 00000004 # [ 120.626400] ff80: c03002e4 c5d4e000 c5d4ffa4 c5d4ff98 c0598d14 c0598c1c 00000000 c5d4ffa8 # [ 120.634587] ffa0: c03000c0 c0598d08 00000014 00000014 00000001 b6dea000 00000014 00000000 # [ 120.642775] ffc0: 00000014 00000014 b6f31e00 00000004 00000001 00000000 00020000 bede3a54 # [ 120.650962] ffe0: 00000004 bede3788 b6e9c4cf b6e227e6 800e0030 00000001 00000000 00000000 # [ 120.659143] Backtrace: # [ 120.661620] [] (lkdtm_WRITE_RO_AFTER_INIT) from [] (lkdtm_do_action+0x2c/0x4c) # [ 120.670589] r5:c6b04000 r4:00000029 # [ 120.674181] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 120.682204] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 120.690132] r9:c5d4ff60 r8:c532f240 r7:00000014 r6:b6dea000 r5:c681c500 r4:c0c2e800 # [ 120.697894] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 120.705734] r9:c07f59f4 r8:c5d4ff60 r7:c2816000 r6:b6dea000 r5:c681c500 r4:00000000 # [ 120.713488] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 120.720634] r10:00000004 r9:00000000 r8:00000000 r7:b6dea000 r6:c5d4e000 r5:c681c500 # [ 120.728469] r4:c681c500 # [ 120.731015] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 120.738162] r9:c5d4e000 r8:c03002e4 r7:00000004 r6:b6f31e00 r5:00000014 r4:00000014 # [ 120.745920] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 120.753496] Exception stack(0xc5d4ffa8 to 0xc5d4fff0) # [ 120.758558] ffa0: 00000014 00000014 00000001 b6dea000 00000014 00000000 # [ 120.766747] ffc0: 00000014 00000014 b6f31e00 00000004 00000001 00000000 00020000 bede3a54 # [ 120.774932] ffe0: 00000004 bede3788 b6e9c4cf b6e227e6 # [ 120.779994] Code: e34a3bcd e3010230 e34c01ad e0233002 (e5843000) # [ 120.786101] ---[ end trace ca4978ee28c71853 ]--- # WRITE_RO_AFTER_INIT: missing 'call trace:': [FAIL] not ok 40 selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # exit=1 # selftests: lkdtm: WRITE_KERN.sh [ 121.365222] lkdtm: Performing direct entry WRITE_KERN [ 121.370302] lkdtm: attempting bad 7716484 byte write at c138b014 [ 121.376417] 8<--- cut here --- [ 121.379488] Unable to handle kernel paging request at virtual address c138b014 [ 121.386723] pgd = a0fbbed3 [ 121.389439] [c138b014] *pgd=1121940e(bad) [ 121.393477] Internal error: Oops: 80d [#14] SMP ARM [ 121.398364] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imx_ldb etnaviv dw_hdmi_imx dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 [ 121.427442] CPU: 1 PID: 2607 Comm: cat Tainted: G D W 5.10.145-cip17 #1 [ 121.435193] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 121.441736] PC is at memcpy+0x50/0x330 [ 121.445495] LR is at 0xe92dd830 [ 121.448644] pc : [] lr : [] psr: 200e0013 [ 121.454919] sp : c6bf9e2c ip : e1a0c00d fp : c6bf9e64 [ 121.460150] r10: 0000000b r9 : c1ad044c r8 : e89da800 [ 121.465382] r7 : e8bd4000 r6 : e52de004 r5 : e24cb004 r4 : e92dd800 [ 121.471916] r3 : e1a0c00d r2 : 0075bde4 r1 : c0c2f1b0 r0 : c138b014 [ 121.478452] Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 121.485598] Control: 10c5387d Table: 16f5004a DAC: 00000051 [ 121.491354] Process cat (pid: 2607, stack limit = 0x30db75bb) [ 121.497109] Stack: (0xc6bf9e2c to 0xc6bfa000) [ 121.501480] 9e20: c0c2f190 0075be84 c6bf9f60 c15e8544 c138b014 [ 121.509671] 9e40: c138b014 c138b1f8 0000002a c6950000 0000000b c6bf9f60 c6bf9e74 c6bf9e68 [ 121.517859] 9e60: c0c2e420 c138b1b8 c6bf9e9c c6bf9e78 c0c2e920 c0c2e400 c0c2e800 c5abf540 [ 121.526047] 9e80: b6e08000 0000000b c532f240 c6bf9f60 c6bf9ec4 c6bf9ea0 c07f5a58 c0c2e80c [ 121.534235] 9ea0: 00000000 c5abf540 b6e08000 c2816000 c6bf9f60 c07f59f4 c6bf9f5c c6bf9ec8 [ 121.542426] 9ec0: c05986f0 c07f5a00 00000001 00000000 c0598c84 c13a08a0 c0598c84 c6bf8000 [ 121.550613] 9ee0: b6e08000 00020000 00000004 0000000b 0001fff5 c6bf9ee0 00000001 b6e07000 [ 121.558801] 9f00: c6e1af00 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 121.566990] 9f20: 00000000 00000000 c13a08a0 9ebb299d c205cb20 c5abf540 c5abf540 c6bf8000 [ 121.575179] 9f40: b6e08000 00000000 00000000 00000004 c6bf9f94 c6bf9f60 c0598c84 c05985f0 [ 121.583368] 9f60: 00000000 00000000 c6bf9fac 9ebb299d 0000000b 0000000b b6f4fe00 00000004 [ 121.591557] 9f80: c03002e4 c6bf8000 c6bf9fa4 c6bf9f98 c0598d14 c0598c1c 00000000 c6bf9fa8 [ 121.599744] 9fa0: c03000c0 c0598d08 0000000b 0000000b 00000001 b6e08000 0000000b 00000000 [ 121.607933] 9fc0: 0000000b 0000000b b6f4fe00 00000004 00000001 00000000 00020000 be817a54 [ 121.616121] 9fe0: 00000004 be817788 b6eba4cf b6e407e6 800e0030 00000001 00000000 00000000 [ 121.624302] Backtrace: [ 121.626784] [] (lkdtm_WRITE_KERN) from [] (lkdtm_do_action+0x2c/0x4c) [ 121.634973] r7:c6bf9f60 r6:0000000b r5:c6950000 r4:0000002a [ 121.640649] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 121.648672] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 121.656602] r9:c6bf9f60 r8:c532f240 r7:0000000b r6:b6e08000 r5:c5abf540 r4:c0c2e800 [ 121.664365] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 121.672207] r9:c07f59f4 r8:c6bf9f60 r7:c2816000 r6:b6e08000 r5:c5abf540 r4:00000000 [ 121.679963] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 121.687110] r10:00000004 r9:00000000 r8:00000000 r7:b6e08000 r6:c6bf8000 r5:c5abf540 [ 121.694945] r4:c5abf540 [ 121.697493] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 121.704639] r9:c6bf8000 r8:c03002e4 r7:00000004 r6:b6f4fe00 r5:0000000b r4:0000000b [ 121.712398] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 121.719973] Exception stack(0xc6bf9fa8 to 0xc6bf9ff0) [ 121.725035] 9fa0: 0000000b 0000000b 00000001 b6e08000 0000000b 00000000 [ 121.733223] 9fc0: 0000000b 0000000b b6f4fe00 00000004 00000001 00000000 00020000 be817a54 [ 121.741408] 9fe0: 00000004 be817788 b6eba4cf b6e407e6 [ 121.746471] Code: f5d1f05c f5d1f07c e8b151f8 e2522020 (e8a051f8) [ 121.752578] ---[ end trace ca4978ee28c71854 ]--- # Segmentation fault # [ 121.365222] lkdtm: Performing direct entry WRITE_KERN # [ 121.370302] lkdtm: attempting bad 7716484 byte write at c138b014 # [ 121.376417] 8<--- cut here --- # [ 121.379488] Unable to handle kernel paging request at virtual address c138b014 # [ 121.386723] pgd = a0fbbed3 # [ 121.389439] [c138b014] *pgd=1121940e(bad) # [ 121.393477] Internal error: Oops: 80d [#14] SMP ARM # [ 121.398364] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imx_ldb etnaviv dw_hdmi_imx dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 # [ 121.427442] CPU: 1 PID: 2607 Comm: cat Tainted: G D W 5.10.145-cip17 #1 # [ 121.435193] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 121.441736] PC is at memcpy+0x50/0x330 # [ 121.445495] LR is at 0xe92dd830 # [ 121.448644] pc : [] lr : [] psr: 200e0013 # [ 121.454919] sp : c6bf9e2c ip : e1a0c00d fp : c6bf9e64 # [ 121.460150] r10: 0000000b r9 : c1ad044c r8 : e89da800 # [ 121.465382] r7 : e8bd4000 r6 : e52de004 r5 : e24cb004 r4 : e92dd800 # [ 121.471916] r3 : e1a0c00d r2 : 0075bde4 r1 : c0c2f1b0 r0 : c138b014 # [ 121.478452] Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 121.485598] Control: 10c5387d Table: 16f5004a DAC: 00000051 # [ 121.491354] Process cat (pid: 2607, stack limit = 0x30db75bb) # [ 121.497109] Stack: (0xc6bf9e2c to 0xc6bfa000) # [ 121.501480] 9e20: c0c2f190 0075be84 c6bf9f60 c15e8544 c138b014 # [ 121.509671] 9e40: c138b014 c138b1f8 0000002a c6950000 0000000b c6bf9f60 c6bf9e74 c6bf9e68 # [ 121.517859] 9e60: c0c2e420 c138b1b8 c6bf9e9c c6bf9e78 c0c2e920 c0c2e400 c0c2e800 c5abf540 # [ 121.526047] 9e80: b6e08000 0000000b c532f240 c6bf9f60 c6bf9ec4 c6bf9ea0 c07f5a58 c0c2e80c # [ 121.534235] 9ea0: 00000000 c5abf540 b6e08000 c2816000 c6bf9f60 c07f59f4 c6bf9f5c c6bf9ec8 # [ 121.542426] 9ec0: c05986f0 c07f5a00 00000001 00000000 c0598c84 c13a08a0 c0598c84 c6bf8000 # [ 121.550613] 9ee0: b6e08000 00020000 00000004 0000000b 0001fff5 c6bf9ee0 00000001 b6e07000 # [ 121.558801] 9f00: c6e1af00 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 121.566990] 9f20: 00000000 00000000 c13a08a0 9ebb299d c205cb20 c5abf540 c5abf540 c6bf8000 # [ 121.575179] 9f40: b6e08000 00000000 00000000 00000004 c6bf9f94 c6bf9f60 c0598c84 c05985f0 # [ 121.583368] 9f60: 00000000 00000000 c6bf9fac 9ebb299d 0000000b 0000000b b6f4fe00 00000004 # [ 121.591557] 9f80: c03002e4 c6bf8000 c6bf9fa4 c6bf9f98 c0598d14 c0598c1c 00000000 c6bf9fa8 # [ 121.599744] 9fa0: c03000c0 c0598d08 0000000b 0000000b 00000001 b6e08000 0000000b 00000000 # [ 121.607933] 9fc0: 0000000b 0000000b b6f4fe00 00000004 00000001 00000000 00020000 be817a54 # [ 121.616121] 9fe0: 00000004 be817788 b6eba4cf b6e407e6 800e0030 00000001 00000000 00000000 # [ 121.624302] Backtrace: # [ 121.626784] [] (lkdtm_WRITE_KERN) from [] (lkdtm_do_action+0x2c/0x4c) # [ 121.634973] r7:c6bf9f60 r6:0000000b r5:c6950000 r4:0000002a # [ 121.640649] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 121.648672] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 121.656602] r9:c6bf9f60 r8:c532f240 r7:0000000b r6:b6e08000 r5:c5abf540 r4:c0c2e800 # [ 121.664365] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 121.672207] r9:c07f59f4 r8:c6bf9f60 r7:c2816000 r6:b6e08000 r5:c5abf540 r4:00000000 # [ 121.679963] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 121.687110] r10:00000004 r9:00000000 r8:00000000 r7:b6e08000 r6:c6bf8000 r5:c5abf540 # [ 121.694945] r4:c5abf540 # [ 121.697493] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 121.704639] r9:c6bf8000 r8:c03002e4 r7:00000004 r6:b6f4fe00 r5:0000000b r4:0000000b # [ 121.712398] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 121.719973] Exception stack(0xc6bf9fa8 to 0xc6bf9ff0) # [ 121.725035] 9fa0: 0000000b 0000000b 00000001 b6e08000 0000000b 00000000 # [ 121.733223] 9fc0: 0000000b 0000000b b6f4fe00 00000004 00000001 00000000 00020000 be817a54 # [ 121.741408] 9fe0: 00000004 be817788 b6eba4cf b6e407e6 # [ 121.746471] Code: f5d1f05c f5d1f07c e8b151f8 e2522020 (e8a051f8) # [ 121.752578] ---[ end trace ca4978ee28c71854 ]--- # WRITE_KERN: missing 'call trace:': [FAIL] not ok 41 selftests: lkd[ 122.351906] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW tm: WRITE_KERN.sh # e[x i t1=212358267] lkdtm: attempting good refcount_inc() without overflow # selftests: lkdtm: REFCOUNT_INC[ 122.366787] lkdtm: attempting bad refcount_inc() overflow _OVERFLOW.sh [ 122.375038] ------------[ cut here ]------------ [ 122.380818] WARNING: CPU: 1 PID: 2682 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 [ 122.389341] refcount_t: saturated; leaking memory. [ 122.394187] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imx_ldb etnaviv dw_hdmi_imx dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 [ 122.423434] CPU: 1 PID: 2682 Comm: cat Tainted: G D W 5.10.145-cip17 #1 [ 122.431188] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 122.437723] Backtrace: [ 122.440206] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 122.447789] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f728 [ 122.453465] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 122.460793] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 122.467765] r9:00000009 r8:c086de04 r7:00000016 r6:00000009 r5:c086de04 r4:c1a248c4 [ 122.475523] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 122.483015] r7:00000016 r6:c1a248c4 r5:c1a2489c r4:c6c06000 [ 122.488693] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) [ 122.497664] r9:c1ad0458 r8:c15e8544 r7:c6c07f60 r6:00000016 r5:c6d58000 r4:c6c06000 [ 122.505431] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) [ 122.515103] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_OVERFLOW+0x78/0x9c) [ 122.525205] [] (lkdtm_REFCOUNT_INC_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) [ 122.534343] r4:0000002b [ 122.536894] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 122.544915] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 122.552842] r9:c6c07f60 r8:c532f240 r7:00000016 r6:b6e1f000 r5:c5abf7c0 r4:c0c2e800 [ 122.560605] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 122.568445] r9:c07f59f4 r8:c6c07f60 r7:c2816000 r6:b6e1f000 r5:c5abf7c0 r4:00000000 [ 122.576199] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 122.583346] r10:00000004 r9:00000000 r8:00000000 r7:b6e1f000 r6:c6c06000 r5:c5abf7c0 [ 122.591182] r4:c5abf7c0 [ 122.593729] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 122.600875] r9:c6c06000 r8:c03002e4 r7:00000004 r6:b6f66e00 r5:00000016 r4:00000016 [ 122.608634] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 122.616211] Exception stack(0xc6c07fa8 to 0xc6c07ff0) [ 122.621276] 7fa0: 00000016 00000016 00000001 b6e1f000 00000016 00000000 [ 122.629467] 7fc0: 00000016 00000016 b6f66e00 00000004 00000001 00000000 00020000 bee85a54 [ 122.637652] 7fe0: 00000004 bee85788 b6ed14cf b6e577e6 [ 122.642789] irq event stamp: 0 [ 122.645865] hardirqs last enabled at (0): [<00000000>] 0x0 [ 122.651493] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 122.658996] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 122.666554] softirqs last disabled at (0): [<00000000>] 0x0 [ 122.672231] ---[ end trace ca4978ee28c71855 ]--- [ 122.676870] lkdtm: Overflow detected: saturated # [ 122.351906] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW # [ 122.358267] lkdtm: attempting good refcount_inc() without overflow # [ 122.366787] lkdtm: attempting bad refcount_inc() overflow # [ 122.375038] ------------[ cut here ]------------ # [ 122.380818] WARNING: CPU: 1 PID: 2682 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 122.389341] refcount_t: saturated; leaking memory. # [ 122.394187] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imx_ldb etnaviv dw_hdmi_imx dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 # [ 122.423434] CPU: 1 PID: 2682 Comm: cat Tainted: G D W 5.10.145-cip17 #1 # [ 122.431188] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 122.437723] Backtrace: # [ 122.440206] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 122.447789] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f728 # [ 122.453465] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 122.460793] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 122.467765] r9:00000009 r8:c086de04 r7:00000016 r6:00000009 r5:c086de04 r4:c1a248c4 # [ 122.475523] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 122.483015] r7:00000016 r6:c1a248c4 r5:c1a2489c r4:c6c06000 # [ 122.488693] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 122.497664] r9:c1ad0458 r8:c15e8544 r7:c6c07f60 r6:00000016 r5:c6d58000 r4:c6c06000 # [ 122.505431] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 122.515103] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_OVERFLOW+0x78/0x9c) # [ 122.525205] [] (lkdtm_REFCOUNT_INC_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 122.534343] r4:0000002b # [ 122.536894] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 122.544915] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 122.552842] r9:c6c07f60 r8:c532f240 r7:00000016 r6:b6e1f000 r5:c5abf7c0 r4:c0c2e800 # [ 122.560605] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 122.568445] r9:c07f59f4 r8:c6c07f60 r7:c2816000 r6:b6e1f000 r5:c5abf7c0 r4:00000000 # [ 122.576199] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 122.583346] r10:00000004 r9:00000000 r8:00000000 r7:b6e1f000 r6:c6c06000 r5:c5abf7c0 # [ 122.591182] r4:c5abf7c0 # [ 122.593729] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 122.600875] r9:c6c06000 r8:c03002e4 r7:00000004 r6:b6f66e00 r5:00000016 r4:00000016 # [ 122.608634] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 122.616211] Exception stack(0xc6c07fa8 to 0xc6c07ff0) # [ 122.621276] 7fa0: 00000016 00000016 00000001 b6e1f000 00000016 00000000 # [ 122.629467] 7fc0: 00000016 00000016 b6f66e00 00000004 00000001 00000000 00020000 bee85a54 # [ 122.637652] 7fe0: 00000004 bee85788 b6ed14cf b6e577e6 # [ 122.642789] irq event stamp: 0 # [ 122.645865] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 122.651493] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 122.658996] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 122.666554] softirqs last disabled at (0): [<00000000>] 0x0 # [ 122.672231] ---[ end trace ca4978ee28c71855 ]--- # [ 122.676870] lkdtm: Overflow detected: saturated # REFCOUNT_INC_OVERFLOW: missing 'call trace:': [FAIL] not ok 42 selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh # exit=1 # selftests: lkdtm: REFCOUNT_ADD_OVERFLOW.sh [ 123.178815] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW [ 123.185023] lkdtm: attempting good refcount_add() without overflow [ 123.191379] lkdtm: attempting bad refcount_add() overflow [ 123.196816] ------------[ cut here ]------------ [ 123.201616] WARNING: CPU: 0 PID: 2716 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 [ 123.210089] refcount_t: saturated; leaking memory. [ 123.214996] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imx_ldb etnaviv dw_hdmi_imx dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 [ 123.244743] CPU: 0 PID: 2716 Comm: cat Tainted: G D W 5.10.145-cip17 #1 [ 123.252513] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 123.259061] Backtrace: [ 123.261579] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 123.269185] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f728 [ 123.274884] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 123.282236] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 123.289229] r9:00000009 r8:c086de04 r7:00000016 r6:00000009 r5:c086de04 r4:c1a248c4 [ 123.297006] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 123.304514] r7:00000016 r6:c1a248c4 r5:c1a2489c r4:c684e000 [ 123.310215] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) [ 123.319203] r9:c1ad0470 r8:c15e8544 r7:c684ff60 r6:00000016 r5:c5825000 r4:c684e000 [ 123.326996] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) [ 123.336691] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_OVERFLOW+0x84/0xa8) [ 123.346815] [] (lkdtm_REFCOUNT_ADD_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) [ 123.355965] r4:0000002c [ 123.358537] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 123.366579] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 123.374525] r9:c684ff60 r8:c532f240 r7:00000016 r6:b6dec000 r5:c5a07180 r4:c0c2e800 [ 123.382309] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 123.390169] r9:c07f59f4 r8:c684ff60 r7:c2816000 r6:b6dec000 r5:c5a07180 r4:00000000 [ 123.397942] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 123.405107] r10:00000004 r9:00000000 r8:00000000 r7:b6dec000 r6:c684e000 r5:c5a07180 [ 123.412955] r4:c5a07180 [ 123.415521] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 123.422686] r9:c684e000 r8:c03002e4 r7:00000004 r6:b6f33e00 r5:00000016 r4:00000016 [ 123.430463] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 123.438053] Exception stack(0xc684ffa8 to 0xc684fff0) [ 123.443134] ffa0: 00000016 00000016 00000001 b6dec000 00000016 00000000 [ 123.451343] ffc0: 00000016 00000016 b6f33e00 00000004 00000001 00000000 00020000 bee6ba54 [ 123.459545] ffe0: 00000004 bee6b788 b6e9e4cf b6e247e6 [ 123.464718] irq event stamp: 0 [ 123.467824] hardirqs last enabled at (0): [<00000000>] 0x0 [ 123.473538] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 123.481146] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 123.488673] softirqs last disabled at (0): [<00000000>] 0x0 [ 123.494355] ---[ end trace ca4978ee28c71856 ]--- [ 123.499010] lkdtm: Overflow detected: saturated # [ 123.178815] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW # [ 123.185023] lkdtm: attempting good refcount_add() without overflow # [ 123.191379] lkdtm: attempting bad refcount_add() overflow # [ 123.196816] ------------[ cut here ]------------ # [ 123.201616] WARNING: CPU: 0 PID: 2716 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 123.210089] refcount_t: saturated; leaking memory. # [ 123.214996] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imx_ldb etnaviv dw_hdmi_imx dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 # [ 123.244743] CPU: 0 PID: 2716 Comm: cat Tainted: G D W 5.10.145-cip17 #1 # [ 123.252513] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 123.259061] Backtrace: # [ 123.261579] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 123.269185] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f728 # [ 123.274884] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 123.282236] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 123.289229] r9:00000009 r8:c086de04 r7:00000016 r6:00000009 r5:c086de04 r4:c1a248c4 # [ 123.297006] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 123.304514] r7:00000016 r6:c1a248c4 r5:c1a2489c r4:c684e000 # [ 123.310215] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 123.319203] r9:c1ad0470 r8:c15e8544 r7:c684ff60 r6:00000016 r5:c5825000 r4:c684e000 # [ 123.326996] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 123.336691] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_OVERFLOW+0x84/0xa8) # [ 123.346815] [] (lkdtm_REFCOUNT_ADD_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 123.355965] r4:0000002c # [ 123.358537] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 123.366579] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 123.374525] r9:c684ff60 r8:c532f240 r7:00000016 r6:b6dec000 r5:c5a07180 r4:c0c2e800 # [ 123.382309] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 123.390169] r9:c07f59f4 r8:c684ff60 r7:c2816000 r6:b6dec000 r5:c5a07180 r4:00000000 # [ 123.397942] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 123.405107] r10:00000004 r9:00000000 r8:00000000 r7:b6dec000 r6:c684e000 r5:c5a07180 # [ 123.412955] r4:c5a07180 # [ 123.415521] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 123.422686] r9:c684e000 r8:c03002e4 r7:00000004 r6:b6f33e00 r5:00000016 r4:00000016 # [ 123.430463] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 123.438053] Exception stack(0xc684ffa8 to 0xc684fff0) # [ 123.443134] ffa0: 00000016 00000016 00000001 b6dec000 00000016 00000000 # [ 123.451343] ffc0: 00000016 00000016 b6f33e00 00000004 00000001 00000000 00020000 bee6ba54 # [ 123.459545] ffe0: 00000004 bee6b788 b6e9e4cf b6e247e6 # [ 123.464718] irq event stamp: 0 # [ 123.467824] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 123.473538] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 123.481146] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 123.488673] softirqs last disabled at (0): [<00000000>] 0x0 # [ 123.494355] ---[ end trace ca4978ee28c71856 ]--- # [ 123.499010] lkdtm: Overflow detected: saturated # REFCOUNT_ADD_OVERFLOW: missing 'call trace:': [FAIL] not ok 43 selftests: lkdtm: REFCOUNT_ADD_OVERFLOW.sh # exit=1 # selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh [ 124.017499] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW [ 124.024390] lkdtm: attempting bad refcount_inc_not_zero() overflow [ 124.030587] ------------[ cut here ]------------ [ 124.035285] WARNING: CPU: 0 PID: 2750 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 [ 124.043789] refcount_t: saturated; leaking memory. [ 124.048596] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imx_ldb etnaviv dw_hdmi_imx dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 [ 124.077930] CPU: 0 PID: 2750 Comm: cat Tainted: G D W 5.10.145-cip17 #1 [ 124.085682] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 124.092217] Backtrace: [ 124.094702] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 124.102285] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f728 [ 124.107962] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 124.115289] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 124.122263] r9:00000009 r8:c086ddd0 r7:00000013 r6:00000009 r5:c086ddd0 r4:c1a248c4 [ 124.130021] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 124.137513] r7:00000013 r6:c1a248c4 r5:c1a2489c r4:c6ffc000 [ 124.143192] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) [ 124.152162] r9:c1ad0488 r8:c15e8544 r7:c6ffdf60 r6:0000001f r5:c6b03000 r4:7fffffff [ 124.159924] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) [ 124.170373] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x50/0x88) [ 124.182028] r5:c6b03000 r4:c6ffc000 [ 124.185625] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) [ 124.195544] r4:0000002d [ 124.198092] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 124.206114] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 124.214041] r9:c6ffdf60 r8:c532f240 r7:0000001f r6:b6dfe000 r5:c5e6c8c0 r4:c0c2e800 [ 124.221800] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 124.229641] r9:c07f59f4 r8:c6ffdf60 r7:c2816000 r6:b6dfe000 r5:c5e6c8c0 r4:00000000 [ 124.237396] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 124.244542] r10:00000004 r9:00000000 r8:00000000 r7:b6dfe000 r6:c6ffc000 r5:c5e6c8c0 [ 124.252377] r4:c5e6c8c0 [ 124.254923] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 124.262070] r9:c6ffc000 r8:c03002e4 r7:00000004 r6:b6f45e00 r5:0000001f r4:0000001f [ 124.269828] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 124.277405] Exception stack(0xc6ffdfa8 to 0xc6ffdff0) [ 124.282468] dfa0: 0000001f 0000001f 00000001 b6dfe000 0000001f 00000000 [ 124.290658] dfc0: 0000001f 0000001f b6f45e00 00000004 00000001 00000000 00020000 be958a54 [ 124.298843] dfe0: 00000004 be958788 b6eb04cf b6e367e6 [ 124.303950] irq event stamp: 0 [ 124.307029] hardirqs last enabled at (0): [<00000000>] 0x0 [ 124.312662] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 124.320164] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 124.327696] softirqs last disabled at (0): [<00000000>] 0x0 [ 124.333315] ---[ end trace ca4978ee28c71857 ]--- [ 124.337947] lkdtm: Overflow detected: saturated # [ 124.017499] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 124.024390] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 124.030587] ------------[ cut here ]------------ # [ 124.035285] WARNING: CPU: 0 PID: 2750 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 124.043789] refcount_t: saturated; leaking memory. # [ 124.048596] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imx_ldb etnaviv dw_hdmi_imx dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 # [ 124.077930] CPU: 0 PID: 2750 Comm: cat Tainted: G D W 5.10.145-cip17 #1 # [ 124.085682] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 124.092217] Backtrace: # [ 124.094702] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 124.102285] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f728 # [ 124.107962] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 124.115289] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 124.122263] r9:00000009 r8:c086ddd0 r7:00000013 r6:00000009 r5:c086ddd0 r4:c1a248c4 # [ 124.130021] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 124.137513] r7:00000013 r6:c1a248c4 r5:c1a2489c r4:c6ffc000 # [ 124.143192] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 124.152162] r9:c1ad0488 r8:c15e8544 r7:c6ffdf60 r6:0000001f r5:c6b03000 r4:7fffffff # [ 124.159924] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 124.170373] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x50/0x88) # [ 124.182028] r5:c6b03000 r4:c6ffc000 # [ 124.185625] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 124.195544] r4:0000002d # [ 124.198092] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 124.206114] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 124.214041] r9:c6ffdf60 r8:c532f240 r7:0000001f r6:b6dfe000 r5:c5e6c8c0 r4:c0c2e800 # [ 124.221800] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 124.229641] r9:c07f59f4 r8:c6ffdf60 r7:c2816000 r6:b6dfe000 r5:c5e6c8c0 r4:00000000 # [ 124.237396] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 124.244542] r10:00000004 r9:00000000 r8:00000000 r7:b6dfe000 r6:c6ffc000 r5:c5e6c8c0 # [ 124.252377] r4:c5e6c8c0 # [ 124.254923] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 124.262070] r9:c6ffc000 r8:c03002e4 r7:00000004 r6:b6f45e00 r5:0000001f r4:0000001f # [ 124.269828] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 124.277405] Exception stack(0xc6ffdfa8 to 0xc6ffdff0) # [ 124.282468] dfa0: 0000001f 0000001f 00000001 b6dfe000 0000001f 00000000 # [ 124.290658] dfc0: 0000001f 0000001f b6f45e00 00000004 00000001 00000000 00020000 be958a54 # [ 124.298843] dfe0: 00000004 be958788 b6eb04cf b6e367e6 # [ 124.303950] irq event stamp: 0 # [ 124.307029] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 124.312662] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 124.320164] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 124.327696] softirqs last disabled at (0): [<00000000>] 0x0 # [ 124.333315] ---[ end trace ca4978ee28c71857 ]--- # [ 124.337947] lkdtm: Overflow detected: saturated # REFCOUNT_INC_NOT_ZERO_OVERFLOW: missing 'call trace:': [FAIL] not ok 44 selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh # exit=1 # selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh [ 124.856531] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW [ 124.863463] lkdtm: attempting bad refcount_add_not_zero() overflow [ 124.869681] ------------[ cut here ]------------ [ 124.874397] WARNING: CPU: 0 PID: 2784 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 [ 124.882908] refcount_t: saturated; leaking memory. [ 124.887714] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imx_ldb etnaviv dw_hdmi_imx dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 [ 124.916966] CPU: 0 PID: 2784 Comm: cat Tainted: G D W 5.10.145-cip17 #1 [ 124.924718] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 124.931253] Backtrace: [ 124.933736] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 124.941318] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f728 [ 124.946995] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 124.954324] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 124.961298] r9:00000009 r8:c086ddd0 r7:00000013 r6:00000009 r5:c086ddd0 r4:c1a248c4 [ 124.969055] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 124.976547] r7:00000013 r6:c1a248c4 r5:c1a2489c r4:c6c50000 [ 124.982226] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) [ 124.991196] r9:c1ad04a8 r8:c15e8544 r7:c6c51f60 r6:0000001f r5:c5e71000 r4:7fffffff [ 124.998957] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) [ 125.009408] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x50/0x88) [ 125.021064] r5:c5e71000 r4:c6c50000 [ 125.024663] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) [ 125.034583] r4:0000002e [ 125.037133] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 125.045155] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 125.053082] r9:c6c51f60 r8:c532f240 r7:0000001f r6:b6dcd000 r5:c5a077c0 r4:c0c2e800 [ 125.060844] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 125.068685] r9:c07f59f4 r8:c6c51f60 r7:c2816000 r6:b6dcd000 r5:c5a077c0 r4:00000000 [ 125.076441] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 125.083588] r10:00000004 r9:00000000 r8:00000000 r7:b6dcd000 r6:c6c50000 r5:c5a077c0 [ 125.091424] r4:c5a077c0 [ 125.093969] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 125.101114] r9:c6c50000 r8:c03002e4 r7:00000004 r6:b6f14e00 r5:0000001f r4:0000001f [ 125.108871] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 125.116448] Exception stack(0xc6c51fa8 to 0xc6c51ff0) [ 125.121512] 1fa0: 0000001f 0000001f 00000001 b6dcd000 0000001f 00000000 [ 125.129701] 1fc0: 0000001f 0000001f b6f14e00 00000004 00000001 00000000 00020000 becf2a54 [ 125.137886] 1fe0: 00000004 becf2788 b6e7f4cf b6e057e6 [ 125.143030] irq event stamp: 0 [ 125.146109] hardirqs last enabled at (0): [<00000000>] 0x0 [ 125.151732] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 125.159234] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 125.167701] softirqs last disabled at (0): [<00000000>] 0x0 [ 125.173351] ---[ end trace ca4978ee28c71858 ]--- [ 125.177984] lkdtm: Overflow detected: saturated # [ 124.856531] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 124.863463] lkdtm: attempting bad refcount_add_not_zero() overflow # [ 124.869681] ------------[ cut here ]------------ # [ 124.874397] WARNING: CPU: 0 PID: 2784 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 124.882908] refcount_t: saturated; leaking memory. # [ 124.887714] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imx_ldb etnaviv dw_hdmi_imx dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 # [ 124.916966] CPU: 0 PID: 2784 Comm: cat Tainted: G D W 5.10.145-cip17 #1 # [ 124.924718] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 124.931253] Backtrace: # [ 124.933736] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 124.941318] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f728 # [ 124.946995] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 124.954324] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 124.961298] r9:00000009 r8:c086ddd0 r7:00000013 r6:00000009 r5:c086ddd0 r4:c1a248c4 # [ 124.969055] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 124.976547] r7:00000013 r6:c1a248c4 r5:c1a2489c r4:c6c50000 # [ 124.982226] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 124.991196] r9:c1ad04a8 r8:c15e8544 r7:c6c51f60 r6:0000001f r5:c5e71000 r4:7fffffff # [ 124.998957] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 125.009408] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x50/0x88) # [ 125.021064] r5:c5e71000 r4:c6c50000 # [ 125.024663] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 125.034583] r4:0000002e # [ 125.037133] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 125.045155] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 125.053082] r9:c6c51f60 r8:c532f240 r7:0000001f r6:b6dcd000 r5:c5a077c0 r4:c0c2e800 # [ 125.060844] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 125.068685] r9:c07f59f4 r8:c6c51f60 r7:c2816000 r6:b6dcd000 r5:c5a077c0 r4:00000000 # [ 125.076441] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 125.083588] r10:00000004 r9:00000000 r8:00000000 r7:b6dcd000 r6:c6c50000 r5:c5a077c0 # [ 125.091424] r4:c5a077c0 # [ 125.093969] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 125.101114] r9:c6c50000 r8:c03002e4 r7:00000004 r6:b6f14e00 r5:0000001f r4:0000001f # [ 125.108871] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 125.116448] Exception stack(0xc6c51fa8 to 0xc6c51ff0) # [ 125.121512] 1fa0: 0000001f 0000001f 00000001 b6dcd000 0000001f 00000000 # [ 125.129701] 1fc0: 0000001f 0000001f b6f14e00 00000004 00000001 00000000 00020000 becf2a54 # [ 125.137886] 1fe0: 00000004 becf2788 b6e7f4cf b6e057e6 # [ 125.143030] irq event stamp: 0 # [ 125.146109] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 125.151732] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 125.159234] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 125.167701] softirqs last disabled at (0): [<00000000>] 0x0 # [ 125.173351] ---[ end trace ca4978ee28c71858 ]--- # [ 125.177984] lkdtm: Overflow detected: saturated # REFCOUNT_ADD_NOT_ZERO_OVERFLOW: missing 'call trace:': [FAIL] not ok 45 selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh # exit=1 # selftests: lkdtm: REFCOUNT_DEC_ZERO.sh [ 125.706007] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO [ 125.711819] lkdtm: attempting good refcount_dec() [ 125.716559] lkdtm: attempting bad refcount_dec() to zero [ 125.722009] ------------[ cut here ]------------ [ 125.726683] WARNING: CPU: 3 PID: 2818 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 [ 125.735199] refcount_t: decrement hit 0; leaking memory. [ 125.740526] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imx_ldb etnaviv dw_hdmi_imx dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 [ 125.769753] CPU: 3 PID: 2818 Comm: cat Tainted: G D W 5.10.145-cip17 #1 [ 125.777505] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 125.784042] Backtrace: [ 125.786523] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 125.794105] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f728 [ 125.799782] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 125.807111] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 125.814086] r9:00000009 r8:c086dd9c r7:0000001f r6:00000009 r5:c086dd9c r4:c1a248c4 [ 125.821844] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 125.829335] r7:0000001f r6:c1a248c4 r5:c1a24928 r4:c6c06000 [ 125.835012] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) [ 125.843982] r9:c1ad04c8 r8:c15e8544 r7:c6c07f60 r6:00000012 r5:c5a82000 r4:c6c06000 [ 125.851743] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) [ 125.861412] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_ZERO+0x5c/0xd8) [ 125.871172] [] (lkdtm_REFCOUNT_DEC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) [ 125.879964] r4:0000002f [ 125.882514] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 125.890536] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 125.898463] r9:c6c07f60 r8:c532f240 r7:00000012 r6:b6e40000 r5:c5a9fa40 r4:c0c2e800 [ 125.906222] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 125.914064] r9:c07f59f4 r8:c6c07f60 r7:c2816000 r6:b6e40000 r5:c5a9fa40 r4:00000000 [ 125.921818] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 125.928964] r10:00000004 r9:00000000 r8:00000000 r7:b6e40000 r6:c6c06000 r5:c5a9fa40 [ 125.936800] r4:c5a9fa40 [ 125.939346] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 125.946493] r9:c6c06000 r8:c03002e4 r7:00000004 r6:b6f87e00 r5:00000012 r4:00000012 [ 125.954250] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 125.961827] Exception stack(0xc6c07fa8 to 0xc6c07ff0) [ 125.966889] 7fa0: 00000012 00000012 00000001 b6e40000 00000012 00000000 [ 125.975079] 7fc0: 00000012 00000012 b6f87e00 00000004 00000001 00000000 00020000 beb1ea54 [ 125.983263] 7fe0: 00000004 beb1e788 b6ef24cf b6e787e6 [ 125.988396] irq event stamp: 0 [ 125.991518] hardirqs last enabled at (0): [<00000000>] 0x0 [ 125.997113] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 126.004667] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 126.012228] softirqs last disabled at (0): [<00000000>] 0x0 [ 126.017824] ---[ end trace ca4978ee28c71859 ]--- [ 126.022506] lkdtm: Zero detected: saturated # [ 125.706007] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO # [ 125.711819] lkdtm: attempting good refcount_dec() # [ 125.716559] lkdtm: attempting bad refcount_dec() to zero # [ 125.722009] ------------[ cut here ]------------ # [ 125.726683] WARNING: CPU: 3 PID: 2818 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 # [ 125.735199] refcount_t: decrement hit 0; leaking memory. # [ 125.740526] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imx_ldb etnaviv dw_hdmi_imx dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 # [ 125.769753] CPU: 3 PID: 2818 Comm: cat Tainted: G D W 5.10.145-cip17 #1 # [ 125.777505] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 125.784042] Backtrace: # [ 125.786523] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 125.794105] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f728 # [ 125.799782] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 125.807111] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 125.814086] r9:00000009 r8:c086dd9c r7:0000001f r6:00000009 r5:c086dd9c r4:c1a248c4 # [ 125.821844] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 125.829335] r7:0000001f r6:c1a248c4 r5:c1a24928 r4:c6c06000 # [ 125.835012] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) # [ 125.843982] r9:c1ad04c8 r8:c15e8544 r7:c6c07f60 r6:00000012 r5:c5a82000 r4:c6c06000 # [ 125.851743] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) # [ 125.861412] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_ZERO+0x5c/0xd8) # [ 125.871172] [] (lkdtm_REFCOUNT_DEC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 125.879964] r4:0000002f # [ 125.882514] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 125.890536] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 125.898463] r9:c6c07f60 r8:c532f240 r7:00000012 r6:b6e40000 r5:c5a9fa40 r4:c0c2e800 # [ 125.906222] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 125.914064] r9:c07f59f4 r8:c6c07f60 r7:c2816000 r6:b6e40000 r5:c5a9fa40 r4:00000000 # [ 125.921818] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 125.928964] r10:00000004 r9:00000000 r8:00000000 r7:b6e40000 r6:c6c06000 r5:c5a9fa40 # [ 125.936800] r4:c5a9fa40 # [ 125.939346] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 125.946493] r9:c6c06000 r8:c03002e4 r7:00000004 r6:b6f87e00 r5:00000012 r4:00000012 # [ 125.954250] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 125.961827] Exception stack(0xc6c07fa8 to 0xc6c07ff0) # [ 125.966889] 7fa0: 00000012 00000012 00000001 b6e40000 00000012 00000000 # [ 125.975079] 7fc0: 00000012 00000012 b6f87e00 00000004 00000001 00000000 00020000 beb1ea54 # [ 125.983263] 7fe0: 00000004 beb1e788 b6ef24cf b6e787e6 # [ 125.988396] irq event stamp: 0 # [ 125.991518] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 125.997113] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 126.004667] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 126.012228] softirqs last disabled at (0): [<00000000>] 0x0 # [ 126.017824] ---[ end trace ca4978ee28c71859 ]--- # [ 126.022506] 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 [ 126.549096] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE [ 126.555274] lkdtm: attempting bad refcount_dec() below zero [ 126.560976] ------------[ cut here ]------------ [ 126.565665] WARNING: CPU: 3 PID: 2855 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 [ 126.574202] refcount_t: decrement hit 0; leaking memory. [ 126.579530] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imx_ldb etnaviv dw_hdmi_imx dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 [ 126.608773] CPU: 3 PID: 2855 Comm: cat Tainted: G D W 5.10.145-cip17 #1 [ 126.616527] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 126.623061] Backtrace: [ 126.625541] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 126.633125] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f728 [ 126.638801] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 126.646130] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 126.653103] r9:00000009 r8:c086dd9c r7:0000001f r6:00000009 r5:c086dd9c r4:c1a248c4 [ 126.660861] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 126.668352] r7:0000001f r6:c1a248c4 r5:c1a24928 r4:c6ac6000 [ 126.674030] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) [ 126.683000] r9:c1ad04dc r8:c15e8544 r7:c6ac7f60 r6:00000016 r5:00000000 r4:c6ac6000 [ 126.690762] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) [ 126.700429] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_NEGATIVE+0x48/0x70) [ 126.710537] [] (lkdtm_REFCOUNT_DEC_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) [ 126.719677] r5:c5ddb000 r4:00000030 [ 126.723269] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 126.731289] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 126.739217] r9:c6ac7f60 r8:c532f240 r7:00000016 r6:b6e65000 r5:c5abe3c0 r4:c0c2e800 [ 126.746980] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 126.754821] r9:c07f59f4 r8:c6ac7f60 r7:c2816000 r6:b6e65000 r5:c5abe3c0 r4:00000000 [ 126.762576] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 126.769722] r10:00000004 r9:00000000 r8:00000000 r7:b6e65000 r6:c6ac6000 r5:c5abe3c0 [ 126.777556] r4:c5abe3c0 [ 126.780104] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 126.787249] r9:c6ac6000 r8:c03002e4 r7:00000004 r6:b6face00 r5:00000016 r4:00000016 [ 126.795008] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 126.802586] Exception stack(0xc6ac7fa8 to 0xc6ac7ff0) [ 126.807650] 7fa0: 00000016 00000016 00000001 b6e65000 00000016 00000000 [ 126.815841] 7fc0: 00000016 00000016 b6face00 00000004 00000001 00000000 00020000 befd5a54 [ 126.824025] 7fe0: 00000004 befd5788 b6f174cf b6e9d7e6 [ 126.829160] irq event stamp: 0 [ 126.832270] hardirqs last enabled at (0): [<00000000>] 0x0 [ 126.837864] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 126.845422] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 126.852975] softirqs last disabled at (0): [<00000000>] 0x0 [ 126.858594] ---[ end trace ca4978ee28c7185a ]--- [ 126.863272] lkdtm: Negative detected: saturated # [ 126.549096] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 126.555274] lkdtm: attempting bad refcount_dec() below zero # [ 126.560976] ------------[ cut here ]------------ # [ 126.565665] WARNING: CPU: 3 PID: 2855 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 # [ 126.574202] refcount_t: decrement hit 0; leaking memory. # [ 126.579530] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imx_ldb etnaviv dw_hdmi_imx dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 # [ 126.608773] CPU: 3 PID: 2855 Comm: cat Tainted: G D W 5.10.145-cip17 #1 # [ 126.616527] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 126.623061] Backtrace: # [ 126.625541] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 126.633125] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f728 # [ 126.638801] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 126.646130] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 126.653103] r9:00000009 r8:c086dd9c r7:0000001f r6:00000009 r5:c086dd9c r4:c1a248c4 # [ 126.660861] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 126.668352] r7:0000001f r6:c1a248c4 r5:c1a24928 r4:c6ac6000 # [ 126.674030] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) # [ 126.683000] r9:c1ad04dc r8:c15e8544 r7:c6ac7f60 r6:00000016 r5:00000000 r4:c6ac6000 # [ 126.690762] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) # [ 126.700429] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_NEGATIVE+0x48/0x70) # [ 126.710537] [] (lkdtm_REFCOUNT_DEC_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 126.719677] r5:c5ddb000 r4:00000030 # [ 126.723269] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 126.731289] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 126.739217] r9:c6ac7f60 r8:c532f240 r7:00000016 r6:b6e65000 r5:c5abe3c0 r4:c0c2e800 # [ 126.746980] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 126.754821] r9:c07f59f4 r8:c6ac7f60 r7:c2816000 r6:b6e65000 r5:c5abe3c0 r4:00000000 # [ 126.762576] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 126.769722] r10:00000004 r9:00000000 r8:00000000 r7:b6e65000 r6:c6ac6000 r5:c5abe3c0 # [ 126.777556] r4:c5abe3c0 # [ 126.780104] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 126.787249] r9:c6ac6000 r8:c03002e4 r7:00000004 r6:b6face00 r5:00000016 r4:00000016 # [ 126.795008] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 126.802586] Exception stack(0xc6ac7fa8 to 0xc6ac7ff0) # [ 126.807650] 7fa0: 00000016 00000016 00000001 b6e65000 00000016 00000000 # [ 126.815841] 7fc0: 00000016 00000016 b6face00 00000004 00000001 00000000 00020000 befd5a54 # [ 126.824025] 7fe0: 00000004 befd5788 b6f174cf b6e9d7e6 # [ 126.829160] irq event stamp: 0 # [ 126.832270] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 126.837864] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 126.845422] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 126.852975] softirqs last disabled at (0): [<00000000>] 0x0 # [ 126.858594] ---[ end trace ca4978ee28c7185a ]--- # [ 126.863272] 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 [ 127.382741] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE [ 127.389579] lkdtm: attempting bad refcount_dec_and_test() below zero [ 127.396021] ------------[ cut here ]------------ [ 127.400675] WARNING: CPU: 1 PID: 2890 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 [ 127.409272] refcount_t: underflow; use-after-free. [ 127.414147] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imx_ldb etnaviv dw_hdmi_imx dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 [ 127.443461] CPU: 1 PID: 2890 Comm: cat Tainted: G D W 5.10.145-cip17 #1 [ 127.451224] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 127.457759] Backtrace: [ 127.460240] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 127.467823] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f728 [ 127.473500] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 127.480826] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 127.487800] r9:00000009 r8:c086de6c r7:0000001c r6:00000009 r5:c086de6c r4:c1a248c4 [ 127.495559] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 127.503051] r7:0000001c r6:c1a248c4 r5:c1a24900 r4:c6c1c000 [ 127.508729] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) [ 127.517785] r9:c1ad04f4 r8:c15e8544 r7:c6c1df60 r6:0000001f r5:00000000 r4:c6c1c000 [ 127.525553] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) [ 127.536008] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x50/0x8c) [ 127.547676] [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) [ 127.557597] r5:c6d58000 r4:00000031 [ 127.561191] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 127.569213] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 127.577141] r9:c6c1df60 r8:c532f240 r7:0000001f r6:b6eac000 r5:c5b39cc0 r4:c0c2e800 [ 127.584902] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 127.592742] r9:c07f59f4 r8:c6c1df60 r7:c2816000 r6:b6eac000 r5:c5b39cc0 r4:00000000 [ 127.600496] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 127.607642] r10:00000004 r9:00000000 r8:00000000 r7:b6eac000 r6:c6c1c000 r5:c5b39cc0 [ 127.615479] r4:c5b39cc0 [ 127.618029] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 127.625176] r9:c6c1c000 r8:c03002e4 r7:00000004 r6:b6ff3e00 r5:0000001f r4:0000001f [ 127.632934] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 127.640511] Exception stack(0xc6c1dfa8 to 0xc6c1dff0) [ 127.645573] dfa0: 0000001f 0000001f 00000001 b6eac000 0000001f 00000000 [ 127.653761] dfc0: 0000001f 0000001f b6ff3e00 00000004 00000001 00000000 00020000 bee88a54 [ 127.661946] dfe0: 00000004 bee88788 b6f5e4cf b6ee47e6 [ 127.667079] irq event stamp: 0 [ 127.670157] hardirqs last enabled at (0): [<00000000>] 0x0 [ 127.675783] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 127.683327] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 127.690856] softirqs last disabled at (0): [<00000000>] 0x0 [ 127.696527] ---[ end trace ca4978ee28c7185b ]--- [ 127.701215] lkdtm: Negative detected: saturated # [ 127.382741] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 127.389579] lkdtm: attempting bad refcount_dec_and_test() below zero # [ 127.396021] ------------[ cut here ]------------ # [ 127.400675] WARNING: CPU: 1 PID: 2890 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 127.409272] refcount_t: underflow; use-after-free. # [ 127.414147] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imx_ldb etnaviv dw_hdmi_imx dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 # [ 127.443461] CPU: 1 PID: 2890 Comm: cat Tainted: G D W 5.10.145-cip17 #1 # [ 127.451224] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 127.457759] Backtrace: # [ 127.460240] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 127.467823] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f728 # [ 127.473500] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 127.480826] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 127.487800] r9:00000009 r8:c086de6c r7:0000001c r6:00000009 r5:c086de6c r4:c1a248c4 # [ 127.495559] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 127.503051] r7:0000001c r6:c1a248c4 r5:c1a24900 r4:c6c1c000 # [ 127.508729] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 127.517785] r9:c1ad04f4 r8:c15e8544 r7:c6c1df60 r6:0000001f r5:00000000 r4:c6c1c000 # [ 127.525553] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 127.536008] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x50/0x8c) # [ 127.547676] [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 127.557597] r5:c6d58000 r4:00000031 # [ 127.561191] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 127.569213] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 127.577141] r9:c6c1df60 r8:c532f240 r7:0000001f r6:b6eac000 r5:c5b39cc0 r4:c0c2e800 # [ 127.584902] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 127.592742] r9:c07f59f4 r8:c6c1df60 r7:c2816000 r6:b6eac000 r5:c5b39cc0 r4:00000000 # [ 127.600496] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 127.607642] r10:00000004 r9:00000000 r8:00000000 r7:b6eac000 r6:c6c1c000 r5:c5b39cc0 # [ 127.615479] r4:c5b39cc0 # [ 127.618029] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 127.625176] r9:c6c1c000 r8:c03002e4 r7:00000004 r6:b6ff3e00 r5:0000001f r4:0000001f # [ 127.632934] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 127.640511] Exception stack(0xc6c1dfa8 to 0xc6c1dff0) # [ 127.645573] dfa0: 0000001f 0000001f 00000001 b6eac000 0000001f 00000000 # [ 127.653761] dfc0: 0000001f 0000001f b6ff3e00 00000004 00000001 00000000 00020000 bee88a54 # [ 127.661946] dfe0: 00000004 bee88788 b6f5e4cf b6ee47e6 # [ 127.667079] irq event stamp: 0 # [ 127.670157] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 127.675783] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 127.683327] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 127.690856] softirqs last disabled at (0): [<00000000>] 0x0 # [ 127.696527] ---[ end trace ca4978ee28c7185b ]--- # [ 127.701215] lkdtm: Negative detected: saturated # REFCOUNT_DEC_AND_TEST_NEGATIVE: saw 'Negative detected: saturated': ok ok 48 selftests: lkdtm: REFCOUNT_DEC_AND_TEST_NEGATIVE.sh # selftests: lkdtm: REFCOUNT_SUB_AND_TEST_NEGATIVE.sh [ 128.243342] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE [ 128.250180] lkdtm: attempting bad refcount_sub_and_test() below zero [ 128.256719] ------------[ cut here ]------------ [ 128.261524] WARNING: CPU: 3 PID: 2925 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 [ 128.270087] refcount_t: underflow; use-after-free. [ 128.274933] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imx_ldb etnaviv dw_hdmi_imx dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 [ 128.304155] CPU: 3 PID: 2925 Comm: cat Tainted: G D W 5.10.145-cip17 #1 [ 128.311907] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 128.318442] Backtrace: [ 128.320926] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 128.328508] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f728 [ 128.334184] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 128.341511] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 128.348486] r9:00000009 r8:c086de6c r7:0000001c r6:00000009 r5:c086de6c r4:c1a248c4 [ 128.356244] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 128.363736] r7:0000001c r6:c1a248c4 r5:c1a24900 r4:c6ea4000 [ 128.369414] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) [ 128.378471] r9:c1ad0514 r8:c15e8544 r7:c6ea5f60 r6:0000001f r5:c5a82000 r4:c6ea4000 [ 128.386237] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) [ 128.396690] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x50/0x8c) [ 128.408359] [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) [ 128.418279] r4:00000032 [ 128.420831] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 128.428853] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 128.436781] r9:c6ea5f60 r8:c532f240 r7:0000001f r6:b6e41000 r5:c5b1cf00 r4:c0c2e800 [ 128.444544] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 128.452385] r9:c07f59f4 r8:c6ea5f60 r7:c2816000 r6:b6e41000 r5:c5b1cf00 r4:00000000 [ 128.460141] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 128.467286] r10:00000004 r9:00000000 r8:00000000 r7:b6e41000 r6:c6ea4000 r5:c5b1cf00 [ 128.475121] r4:c5b1cf00 [ 128.477667] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 128.484813] r9:c6ea4000 r8:c03002e4 r7:00000004 r6:b6f88e00 r5:0000001f r4:0000001f [ 128.492573] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 128.500151] Exception stack(0xc6ea5fa8 to 0xc6ea5ff0) [ 128.505214] 5fa0: 0000001f 0000001f 00000001 b6e41000 0000001f 00000000 [ 128.513404] 5fc0: 0000001f 0000001f b6f88e00 00000004 00000001 00000000 00020000 bef98a54 [ 128.521589] 5fe0: 00000004 bef98788 b6ef34cf b6e797e6 [ 128.526721] irq event stamp: 0 [ 128.529800] hardirqs last enabled at (0): [<00000000>] 0x0 [ 128.535438] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 128.542980] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 128.550509] softirqs last disabled at (0): [<00000000>] 0x0 [ 128.556160] ---[ end trace ca4978ee28c7185c ]--- [ 128.560798] lkdtm: Negative detected: saturated # [ 128.243342] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 128.250180] lkdtm: attempting bad refcount_sub_and_test() below zero # [ 128.256719] ------------[ cut here ]------------ # [ 128.261524] WARNING: CPU: 3 PID: 2925 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 128.270087] refcount_t: underflow; use-after-free. # [ 128.274933] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imx_ldb etnaviv dw_hdmi_imx dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 # [ 128.304155] CPU: 3 PID: 2925 Comm: cat Tainted: G D W 5.10.145-cip17 #1 # [ 128.311907] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 128.318442] Backtrace: # [ 128.320926] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 128.328508] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f728 # [ 128.334184] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 128.341511] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 128.348486] r9:00000009 r8:c086de6c r7:0000001c r6:00000009 r5:c086de6c r4:c1a248c4 # [ 128.356244] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 128.363736] r7:0000001c r6:c1a248c4 r5:c1a24900 r4:c6ea4000 # [ 128.369414] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 128.378471] r9:c1ad0514 r8:c15e8544 r7:c6ea5f60 r6:0000001f r5:c5a82000 r4:c6ea4000 # [ 128.386237] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 128.396690] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x50/0x8c) # [ 128.408359] [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 128.418279] r4:00000032 # [ 128.420831] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 128.428853] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 128.436781] r9:c6ea5f60 r8:c532f240 r7:0000001f r6:b6e41000 r5:c5b1cf00 r4:c0c2e800 # [ 128.444544] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 128.452385] r9:c07f59f4 r8:c6ea5f60 r7:c2816000 r6:b6e41000 r5:c5b1cf00 r4:00000000 # [ 128.460141] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 128.467286] r10:00000004 r9:00000000 r8:00000000 r7:b6e41000 r6:c6ea4000 r5:c5b1cf00 # [ 128.475121] r4:c5b1cf00 # [ 128.477667] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 128.484813] r9:c6ea4000 r8:c03002e4 r7:00000004 r6:b6f88e00 r5:0000001f r4:0000001f # [ 128.492573] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 128.500151] Exception stack(0xc6ea5fa8 to 0xc6ea5ff0) # [ 128.505214] 5fa0: 0000001f 0000001f 00000001 b6e41000 0000001f 00000000 # [ 128.513404] 5fc0: 0000001f 0000001f b6f88e00 00000004 00000001 00000000 00020000 bef98a54 # [ 128.521589] 5fe0: 00000004 bef98788 b6ef34cf b6e797e6 # [ 128.526721] irq event stamp: 0 # [ 128.529800] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 128.535438] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 128.542980] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 128.550509] softirqs last disabled at (0): [<00000000>] 0x0 # [ 128.556160] ---[ end trace ca4978ee28c7185c ]--- # [ 128.560798] lkdtm: Negative detected: saturated # REFCOUNT_SUB_AND_TEST_NEGATIVE: saw 'Negative detected: saturated': ok ok 49 selftests: lkdtm: REFCOUNT_SUB_AND_TEST_NEGATIVE.sh # selftests: lkdtm: REFCOUNT_INC_ZERO.sh [ 129.096319] lkdtm: Performing direct entry REFCOUNT_INC_ZERO [ 129.102054] lkdtm: attempting safe refcount_inc_not_zero() from zero [ 129.108422] lkdtm: Good: zero detected [ 129.112247] lkdtm: Correctly stayed at zero [ 129.116446] lkdtm: attempting bad refcount_inc() from zero [ 129.121988] ------------[ cut here ]------------ [ 129.126640] WARNING: CPU: 2 PID: 2957 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 [ 129.135213] refcount_t: addition on 0; use-after-free. [ 129.140365] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imx_ldb etnaviv dw_hdmi_imx dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 [ 129.169598] CPU: 2 PID: 2957 Comm: cat Tainted: G D W 5.10.145-cip17 #1 [ 129.177351] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 129.183886] Backtrace: [ 129.186366] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 129.193948] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f728 [ 129.199625] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 129.206952] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 129.213924] r9:00000009 r8:c086de38 r7:00000019 r6:00000009 r5:c086de38 r4:c1a248c4 [ 129.221681] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 129.229172] r7:00000019 r6:c1a248c4 r5:c1a248d4 r4:c6f58000 [ 129.234849] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) [ 129.243905] r9:c1ad0534 r8:c15e8544 r7:c6f59f60 r6:00000012 r5:00000000 r4:c6f58000 [ 129.251674] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) [ 129.261348] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_ZERO+0xa8/0xcc) [ 129.271102] [] (lkdtm_REFCOUNT_INC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) [ 129.279895] r5:c5cc4000 r4:00000033 [ 129.283489] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 129.291512] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 129.299439] r9:c6f59f60 r8:c532f240 r7:00000012 r6:b6e18000 r5:c2fe1040 r4:c0c2e800 [ 129.307201] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 129.315043] r9:c07f59f4 r8:c6f59f60 r7:c2816000 r6:b6e18000 r5:c2fe1040 r4:00000000 [ 129.322799] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 129.329946] r10:00000004 r9:00000000 r8:00000000 r7:b6e18000 r6:c6f58000 r5:c2fe1040 [ 129.337780] r4:c2fe1040 [ 129.340327] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 129.347472] r9:c6f58000 r8:c03002e4 r7:00000004 r6:b6f5fe00 r5:00000012 r4:00000012 [ 129.355232] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 129.362808] Exception stack(0xc6f59fa8 to 0xc6f59ff0) [ 129.367872] 9fa0: 00000012 00000012 00000001 b6e18000 00000012 00000000 [ 129.376063] 9fc0: 00000012 00000012 b6f5fe00 00000004 00000001 00000000 00020000 be821a54 [ 129.384249] 9fe0: 00000004 be821788 b6eca4cf b6e507e6 [ 129.389389] irq event stamp: 0 [ 129.392507] hardirqs last enabled at (0): [<00000000>] 0x0 [ 129.398100] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 129.405669] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 129.413206] softirqs last disabled at (0): [<00000000>] 0x0 [ 129.418797] ---[ end trace ca4978ee28c7185d ]--- [ 129.423463] lkdtm: Zero detected: saturated # [ 129.096319] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 129.102054] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 129.108422] lkdtm: Good: zero detected # [ 129.112247] lkdtm: Correctly stayed at zero # [ 129.116446] lkdtm: attempting bad refcount_inc() from zero # [ 129.121988] ------------[ cut here ]------------ # [ 129.126640] WARNING: CPU: 2 PID: 2957 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 # [ 129.135213] refcount_t: addition on 0; use-after-free. # [ 129.140365] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imx_ldb etnaviv dw_hdmi_imx dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 # [ 129.169598] CPU: 2 PID: 2957 Comm: cat Tainted: G D W 5.10.145-cip17 #1 # [ 129.177351] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 129.183886] Backtrace: # [ 129.186366] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 129.193948] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f728 # [ 129.199625] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 129.206952] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 129.213924] r9:00000009 r8:c086de38 r7:00000019 r6:00000009 r5:c086de38 r4:c1a248c4 # [ 129.221681] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 129.229172] r7:00000019 r6:c1a248c4 r5:c1a248d4 r4:c6f58000 # [ 129.234849] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) # [ 129.243905] r9:c1ad0534 r8:c15e8544 r7:c6f59f60 r6:00000012 r5:00000000 r4:c6f58000 # [ 129.251674] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) # [ 129.261348] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_ZERO+0xa8/0xcc) # [ 129.271102] [] (lkdtm_REFCOUNT_INC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 129.279895] r5:c5cc4000 r4:00000033 # [ 129.283489] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 129.291512] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 129.299439] r9:c6f59f60 r8:c532f240 r7:00000012 r6:b6e18000 r5:c2fe1040 r4:c0c2e800 # [ 129.307201] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 129.315043] r9:c07f59f4 r8:c6f59f60 r7:c2816000 r6:b6e18000 r5:c2fe1040 r4:00000000 # [ 129.322799] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 129.329946] r10:00000004 r9:00000000 r8:00000000 r7:b6e18000 r6:c6f58000 r5:c2fe1040 # [ 129.337780] r4:c2fe1040 # [ 129.340327] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 129.347472] r9:c6f58000 r8:c03002e4 r7:00000004 r6:b6f5fe00 r5:00000012 r4:00000012 # [ 129.355232] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 129.362808] Exception stack(0xc6f59fa8 to 0xc6f59ff0) # [ 129.367872] 9fa0: 00000012 00000012 00000001 b6e18000 00000012 00000000 # [ 129.376063] 9fc0: 00000012 00000012 b6f5fe00 00000004 00000001 00000000 00020000 be821a54 # [ 129.384249] 9fe0: 00000004 be821788 b6eca4cf b6e507e6 # [ 129.389389] irq event stamp: 0 # [ 129.392507] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 129.398100] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 129.405669] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 129.413206] softirqs last disabled at (0): [<00000000>] 0x0 # [ 129.418797] ---[ end trace ca4978ee28c7185d ]--- # [ 129.423463] lkdtm: Zero detected: saturated # REFCOUNT_INC_ZERO: missing 'call trace:': [FAIL] not ok 50 selftests: lkdtm: REFCOUNT_INC_ZERO.sh # exit=1 # selftests: lkdtm: REFCOUNT_ADD_ZERO.sh [ 129.979868] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO [ 129.985605] lkdtm: attempting safe refcount_add_not_zero() from zero [ 129.992047] lkdtm: Good: zero detected [ 129.995812] lkdtm: Correctly stayed at zero [ 130.000007] lkdtm: attempting bad refcount_add() from zero [ 130.005558] ------------[ cut here ]------------ [ 130.010211] WARNING: CPU: 0 PID: 2991 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 [ 130.018787] refcount_t: addition on 0; use-after-free. [ 130.024066] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imx_ldb etnaviv dw_hdmi_imx dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 [ 130.053304] CPU: 0 PID: 2991 Comm: cat Tainted: G D W 5.10.145-cip17 #1 [ 130.061057] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 130.067591] Backtrace: [ 130.070072] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 130.077653] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f728 [ 130.083329] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 130.090656] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 130.097630] r9:00000009 r8:c086de38 r7:00000019 r6:00000009 r5:c086de38 r4:c1a248c4 [ 130.105386] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 130.112877] r7:00000019 r6:c1a248c4 r5:c1a248d4 r4:c5d4a000 [ 130.118556] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) [ 130.127612] r9:c1ad0548 r8:c15e8544 r7:c5d4bf60 r6:00000012 r5:00000000 r4:c5d4a000 [ 130.135379] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) [ 130.145053] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_ZERO+0xa8/0xcc) [ 130.154807] [] (lkdtm_REFCOUNT_ADD_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) [ 130.163599] r5:c699e000 r4:00000034 [ 130.167191] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 130.175214] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 130.183141] r9:c5d4bf60 r8:c532f240 r7:00000012 r6:b6eb1000 r5:c5ac3cc0 r4:c0c2e800 [ 130.190903] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 130.198744] r9:c07f59f4 r8:c5d4bf60 r7:c2816000 r6:b6eb1000 r5:c5ac3cc0 r4:00000000 [ 130.206499] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 130.213646] r10:00000004 r9:00000000 r8:00000000 r7:b6eb1000 r6:c5d4a000 r5:c5ac3cc0 [ 130.221482] r4:c5ac3cc0 [ 130.224030] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 130.231176] r9:c5d4a000 r8:c03002e4 r7:00000004 r6:b6ff8e00 r5:00000012 r4:00000012 [ 130.238934] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 130.246510] Exception stack(0xc5d4bfa8 to 0xc5d4bff0) [ 130.251573] bfa0: 00000012 00000012 00000001 b6eb1000 00000012 00000000 [ 130.259763] bfc0: 00000012 00000012 b6ff8e00 00000004 00000001 00000000 00020000 bec43a54 [ 130.267948] bfe0: 00000004 bec43788 b6f634cf b6ee97e6 [ 130.273095] irq event stamp: 0 [ 130.276171] hardirqs last enabled at (0): [<00000000>] 0x0 [ 130.281801] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 130.289324] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 130.298022] softirqs last disabled at (0): [<00000000>] 0x0 [ 130.303685] ---[ end trace ca4978ee28c7185e ]--- [ 130.308319] lkdtm: Zero detected: saturated # [ 129.979868] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 129.985605] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 129.992047] lkdtm: Good: zero detected # [ 129.995812] lkdtm: Correctly stayed at zero # [ 130.000007] lkdtm: attempting bad refcount_add() from zero # [ 130.005558] ------------[ cut here ]------------ # [ 130.010211] WARNING: CPU: 0 PID: 2991 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 # [ 130.018787] refcount_t: addition on 0; use-after-free. # [ 130.024066] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imx_ldb etnaviv dw_hdmi_imx dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 # [ 130.053304] CPU: 0 PID: 2991 Comm: cat Tainted: G D W 5.10.145-cip17 #1 # [ 130.061057] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 130.067591] Backtrace: # [ 130.070072] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 130.077653] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f728 # [ 130.083329] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 130.090656] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 130.097630] r9:00000009 r8:c086de38 r7:00000019 r6:00000009 r5:c086de38 r4:c1a248c4 # [ 130.105386] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 130.112877] r7:00000019 r6:c1a248c4 r5:c1a248d4 r4:c5d4a000 # [ 130.118556] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) # [ 130.127612] r9:c1ad0548 r8:c15e8544 r7:c5d4bf60 r6:00000012 r5:00000000 r4:c5d4a000 # [ 130.135379] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) # [ 130.145053] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_ZERO+0xa8/0xcc) # [ 130.154807] [] (lkdtm_REFCOUNT_ADD_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 130.163599] r5:c699e000 r4:00000034 # [ 130.167191] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 130.175214] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 130.183141] r9:c5d4bf60 r8:c532f240 r7:00000012 r6:b6eb1000 r5:c5ac3cc0 r4:c0c2e800 # [ 130.190903] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 130.198744] r9:c07f59f4 r8:c5d4bf60 r7:c2816000 r6:b6eb1000 r5:c5ac3cc0 r4:00000000 # [ 130.206499] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 130.213646] r10:00000004 r9:00000000 r8:00000000 r7:b6eb1000 r6:c5d4a000 r5:c5ac3cc0 # [ 130.221482] r4:c5ac3cc0 # [ 130.224030] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 130.231176] r9:c5d4a000 r8:c03002e4 r7:00000004 r6:b6ff8e00 r5:00000012 r4:00000012 # [ 130.238934] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 130.246510] Exception stack(0xc5d4bfa8 to 0xc5d4bff0) # [ 130.251573] bfa0: 00000012 00000012 00000001 b6eb1000 00000012 00000000 # [ 130.259763] bfc0: 00000012 00000012 b6ff8e00 00000004 00000001 00000000 00020000 bec43a54 # [ 130.267948] bfe0: 00000004 bec43788 b6f634cf b6ee97e6 # [ 130.273095] irq event stamp: 0 # [ 130.276171] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 130.281801] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 130.289324] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 130.298022] softirqs last disabled at (0): [<00000000>] 0x0 # [ 130.303685] ---[ end trace ca4978ee28c7185e ]--- # [ 130.308319] 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 [ 130.881667] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED [ 130.887786] lkdtm: attempting bad refcount_inc() from saturated [ 130.893767] ------------[ cut here ]------------ [ 130.898421] WARNING: CPU: 0 PID: 3028 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 [ 130.906930] refcount_t: saturated; leaking memory. [ 130.911778] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imx_ldb etnaviv dw_hdmi_imx dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 [ 130.941120] CPU: 0 PID: 3028 Comm: cat Tainted: G D W 5.10.145-cip17 #1 [ 130.948873] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 130.955409] Backtrace: [ 130.957892] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 130.965475] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f728 [ 130.971151] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 130.978478] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 130.985453] r9:00000009 r8:c086de04 r7:00000016 r6:00000009 r5:c086de04 r4:c1a248c4 [ 130.993209] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 131.000702] r7:00000016 r6:c1a248c4 r5:c1a2489c r4:c692c000 [ 131.006379] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) [ 131.015350] r9:c1ad055c r8:c15e8544 r7:c692df60 r6:00000017 r5:c699e000 r4:c692c000 [ 131.023116] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) [ 131.032789] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_SATURATED+0x4c/0x70) [ 131.042980] [] (lkdtm_REFCOUNT_INC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) [ 131.052205] r4:00000035 [ 131.054756] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 131.062780] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 131.070709] r9:c692df60 r8:c532f240 r7:00000017 r6:b6e92000 r5:c5a06000 r4:c0c2e800 [ 131.078471] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 131.086314] r9:c07f59f4 r8:c692df60 r7:c2816000 r6:b6e92000 r5:c5a06000 r4:00000000 [ 131.094068] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 131.101214] r10:00000004 r9:00000000 r8:00000000 r7:b6e92000 r6:c692c000 r5:c5a06000 [ 131.109049] r4:c5a06000 [ 131.111596] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 131.118743] r9:c692c000 r8:c03002e4 r7:00000004 r6:b6fd9e00 r5:00000017 r4:00000017 [ 131.126501] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 131.134078] Exception stack(0xc692dfa8 to 0xc692dff0) [ 131.139141] dfa0: 00000017 00000017 00000001 b6e92000 00000017 00000000 [ 131.147329] dfc0: 00000017 00000017 b6fd9e00 00000004 00000001 00000000 00020000 be9c0a54 [ 131.155514] dfe0: 00000004 be9c0788 b6f444cf b6eca7e6 [ 131.160620] irq event stamp: 0 [ 131.163730] hardirqs last enabled at (0): [<00000000>] 0x0 [ 131.169325] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 131.176888] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 131.184440] softirqs last disabled at (0): [<00000000>] 0x0 [ 131.190031] ---[ end trace ca4978ee28c7185f ]--- [ 131.194698] lkdtm: Saturation detected: still saturated # [ 130.881667] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 130.887786] lkdtm: attempting bad refcount_inc() from saturated # [ 130.893767] ------------[ cut here ]------------ # [ 130.898421] WARNING: CPU: 0 PID: 3028 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 130.906930] refcount_t: saturated; leaking memory. # [ 130.911778] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imx_ldb etnaviv dw_hdmi_imx dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 # [ 130.941120] CPU: 0 PID: 3028 Comm: cat Tainted: G D W 5.10.145-cip17 #1 # [ 130.948873] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 130.955409] Backtrace: # [ 130.957892] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 130.965475] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f728 # [ 130.971151] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 130.978478] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 130.985453] r9:00000009 r8:c086de04 r7:00000016 r6:00000009 r5:c086de04 r4:c1a248c4 # [ 130.993209] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 131.000702] r7:00000016 r6:c1a248c4 r5:c1a2489c r4:c692c000 # [ 131.006379] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 131.015350] r9:c1ad055c r8:c15e8544 r7:c692df60 r6:00000017 r5:c699e000 r4:c692c000 # [ 131.023116] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 131.032789] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_SATURATED+0x4c/0x70) # [ 131.042980] [] (lkdtm_REFCOUNT_INC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 131.052205] r4:00000035 # [ 131.054756] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 131.062780] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 131.070709] r9:c692df60 r8:c532f240 r7:00000017 r6:b6e92000 r5:c5a06000 r4:c0c2e800 # [ 131.078471] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 131.086314] r9:c07f59f4 r8:c692df60 r7:c2816000 r6:b6e92000 r5:c5a06000 r4:00000000 # [ 131.094068] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 131.101214] r10:00000004 r9:00000000 r8:00000000 r7:b6e92000 r6:c692c000 r5:c5a06000 # [ 131.109049] r4:c5a06000 # [ 131.111596] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 131.118743] r9:c692c000 r8:c03002e4 r7:00000004 r6:b6fd9e00 r5:00000017 r4:00000017 # [ 131.126501] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 131.134078] Exception stack(0xc692dfa8 to 0xc692dff0) # [ 131.139141] dfa0: 00000017 00000017 00000001 b6e92000 00000017 00000000 # [ 131.147329] dfc0: 00000017 00000017 b6fd9e00 00000004 00000001 00000000 00020000 be9c0a54 # [ 131.155514] dfe0: 00000004 be9c0788 b6f444cf b6eca7e6 # [ 131.160620] irq event stamp: 0 # [ 131.163730] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 131.169325] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 131.176888] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 131.184440] softirqs last disabled at (0): [<00000000>] 0x0 # [ 131.190031] ---[ end trace ca4978ee28c7185f ]--- # [ 131.194698] 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 [ 131.771253] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED [ 131.777397] lkdtm: attempting bad refcount_dec() from saturated [ 131.783425] ------------[ cut here ]------------ [ 131.788081] WARNING: CPU: 0 PID: 3063 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 [ 131.796582] refcount_t: decrement hit 0; leaking memory. [ 131.801954] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imx_ldb etnaviv dw_hdmi_imx dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 [ 131.831284] CPU: 0 PID: 3063 Comm: cat Tainted: G D W 5.10.145-cip17 #1 [ 131.839036] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 131.845571] Backtrace: [ 131.848051] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 131.855634] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f728 [ 131.861311] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 131.868638] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 131.875612] r9:00000009 r8:c086dd9c r7:0000001f r6:00000009 r5:c086dd9c r4:c1a248c4 [ 131.883368] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 131.890860] r7:0000001f r6:c1a248c4 r5:c1a24928 r4:c6bf8000 [ 131.896537] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) [ 131.905506] r9:c1ad0574 r8:c15e8544 r7:c6bf9f60 r6:00000017 r5:c69ff000 r4:c6bf8000 [ 131.913267] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) [ 131.922936] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_SATURATED+0x48/0x6c) [ 131.933130] [] (lkdtm_REFCOUNT_DEC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) [ 131.942355] r4:00000036 [ 131.944903] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 131.952925] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 131.960855] r9:c6bf9f60 r8:c532f240 r7:00000017 r6:b6dba000 r5:c6e1a3c0 r4:c0c2e800 [ 131.968616] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 131.976458] r9:c07f59f4 r8:c6bf9f60 r7:c2816000 r6:b6dba000 r5:c6e1a3c0 r4:00000000 [ 131.984214] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 131.991362] r10:00000004 r9:00000000 r8:00000000 r7:b6dba000 r6:c6bf8000 r5:c6e1a3c0 [ 131.999198] r4:c6e1a3c0 [ 132.001746] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 132.008893] r9:c6bf8000 r8:c03002e4 r7:00000004 r6:b6f01e00 r5:00000017 r4:00000017 [ 132.016651] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 132.024229] Exception stack(0xc6bf9fa8 to 0xc6bf9ff0) [ 132.029291] 9fa0: 00000017 00000017 00000001 b6dba000 00000017 00000000 [ 132.037480] 9fc0: 00000017 00000017 b6f01e00 00000004 00000001 00000000 00020000 bea88a54 [ 132.045666] 9fe0: 00000004 bea88788 b6e6c4cf b6df27e6 [ 132.050769] irq event stamp: 0 [ 132.053875] hardirqs last enabled at (0): [<00000000>] 0x0 [ 132.059470] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 132.067019] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 132.074563] softirqs last disabled at (0): [<00000000>] 0x0 [ 132.080155] ---[ end trace ca4978ee28c71860 ]--- [ 132.084818] lkdtm: Saturation detected: still saturated # [ 131.771253] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 131.777397] lkdtm: attempting bad refcount_dec() from saturated # [ 131.783425] ------------[ cut here ]------------ # [ 131.788081] WARNING: CPU: 0 PID: 3063 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 # [ 131.796582] refcount_t: decrement hit 0; leaking memory. # [ 131.801954] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imx_ldb etnaviv dw_hdmi_imx dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 # [ 131.831284] CPU: 0 PID: 3063 Comm: cat Tainted: G D W 5.10.145-cip17 #1 # [ 131.839036] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 131.845571] Backtrace: # [ 131.848051] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 131.855634] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f728 # [ 131.861311] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 131.868638] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 131.875612] r9:00000009 r8:c086dd9c r7:0000001f r6:00000009 r5:c086dd9c r4:c1a248c4 # [ 131.883368] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 131.890860] r7:0000001f r6:c1a248c4 r5:c1a24928 r4:c6bf8000 # [ 131.896537] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) # [ 131.905506] r9:c1ad0574 r8:c15e8544 r7:c6bf9f60 r6:00000017 r5:c69ff000 r4:c6bf8000 # [ 131.913267] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) # [ 131.922936] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_SATURATED+0x48/0x6c) # [ 131.933130] [] (lkdtm_REFCOUNT_DEC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 131.942355] r4:00000036 # [ 131.944903] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 131.952925] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 131.960855] r9:c6bf9f60 r8:c532f240 r7:00000017 r6:b6dba000 r5:c6e1a3c0 r4:c0c2e800 # [ 131.968616] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 131.976458] r9:c07f59f4 r8:c6bf9f60 r7:c2816000 r6:b6dba000 r5:c6e1a3c0 r4:00000000 # [ 131.984214] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 131.991362] r10:00000004 r9:00000000 r8:00000000 r7:b6dba000 r6:c6bf8000 r5:c6e1a3c0 # [ 131.999198] r4:c6e1a3c0 # [ 132.001746] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 132.008893] r9:c6bf8000 r8:c03002e4 r7:00000004 r6:b6f01e00 r5:00000017 r4:00000017 # [ 132.016651] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 132.024229] Exception stack(0xc6bf9fa8 to 0xc6bf9ff0) # [ 132.029291] 9fa0: 00000017 00000017 00000001 b6dba000 00000017 00000000 # [ 132.037480] 9fc0: 00000017 00000017 b6f01e00 00000004 00000001 00000000 00020000 bea88a54 # [ 132.045666] 9fe0: 00000004 bea88788 b6e6c4cf b6df27e6 # [ 132.050769] irq event stamp: 0 # [ 132.053875] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 132.059470] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 132.067019] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 132.074563] softirqs last disabled at (0): [<00000000>] 0x0 # [ 132.080155] ---[ end trace ca4978ee28c71860 ]--- # [ 132.084818] 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 [ 132.678789] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED [ 132.685003] lkdtm: attempting bad refcount_dec() from saturated [ 132.690983] ------------[ cut here ]------------ [ 132.695639] WARNING: CPU: 1 PID: 3098 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 [ 132.704138] refcount_t: saturated; leaking memory. [ 132.708944] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imx_ldb etnaviv dw_hdmi_imx dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 [ 132.738175] CPU: 1 PID: 3098 Comm: cat Tainted: G D W 5.10.145-cip17 #1 [ 132.745928] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 132.752464] Backtrace: [ 132.754946] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 132.762530] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f728 [ 132.768207] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 132.775534] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 132.782506] r9:00000009 r8:c086de04 r7:00000016 r6:00000009 r5:c086de04 r4:c1a248c4 [ 132.790265] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 132.797757] r7:00000016 r6:c1a248c4 r5:c1a2489c r4:c5c00000 [ 132.803432] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) [ 132.812402] r9:c1ad058c r8:c15e8544 r7:c5c01f60 r6:00000017 r5:c6950000 r4:c5c00000 [ 132.820170] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) [ 132.829842] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_SATURATED+0x4c/0x70) [ 132.840032] [] (lkdtm_REFCOUNT_ADD_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) [ 132.849259] r4:00000037 [ 132.851808] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 132.859830] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 132.867759] r9:c5c01f60 r8:c532f240 r7:00000017 r6:b6e97000 r5:c5ac2640 r4:c0c2e800 [ 132.875519] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 132.883359] r9:c07f59f4 r8:c5c01f60 r7:c2816000 r6:b6e97000 r5:c5ac2640 r4:00000000 [ 132.891116] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 132.898262] r10:00000004 r9:00000000 r8:00000000 r7:b6e97000 r6:c5c00000 r5:c5ac2640 [ 132.906099] r4:c5ac2640 [ 132.908647] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 132.915795] r9:c5c00000 r8:c03002e4 r7:00000004 r6:b6fdee00 r5:00000017 r4:00000017 [ 132.923552] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 132.931128] Exception stack(0xc5c01fa8 to 0xc5c01ff0) [ 132.936192] 1fa0: 00000017 00000017 00000001 b6e97000 00000017 00000000 [ 132.944381] 1fc0: 00000017 00000017 b6fdee00 00000004 00000001 00000000 00020000 bec6fa54 [ 132.952565] 1fe0: 00000004 bec6f788 b6f494cf b6ecf7e6 [ 132.957702] irq event stamp: 0 [ 132.960781] hardirqs last enabled at (0): [<00000000>] 0x0 [ 132.966405] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 132.973952] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 132.981490] softirqs last disabled at (0): [<00000000>] 0x0 [ 132.987102] ---[ end trace ca4978ee28c71861 ]--- [ 132.991771] lkdtm: Saturation detected: still saturated # [ 132.678789] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 132.685003] lkdtm: attempting bad refcount_dec() from saturated # [ 132.690983] ------------[ cut here ]------------ # [ 132.695639] WARNING: CPU: 1 PID: 3098 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 132.704138] refcount_t: saturated; leaking memory. # [ 132.708944] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imx_ldb etnaviv dw_hdmi_imx dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 # [ 132.738175] CPU: 1 PID: 3098 Comm: cat Tainted: G D W 5.10.145-cip17 #1 # [ 132.745928] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 132.752464] Backtrace: # [ 132.754946] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 132.762530] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f728 # [ 132.768207] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 132.775534] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 132.782506] r9:00000009 r8:c086de04 r7:00000016 r6:00000009 r5:c086de04 r4:c1a248c4 # [ 132.790265] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 132.797757] r7:00000016 r6:c1a248c4 r5:c1a2489c r4:c5c00000 # [ 132.803432] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 132.812402] r9:c1ad058c r8:c15e8544 r7:c5c01f60 r6:00000017 r5:c6950000 r4:c5c00000 # [ 132.820170] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 132.829842] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_SATURATED+0x4c/0x70) # [ 132.840032] [] (lkdtm_REFCOUNT_ADD_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 132.849259] r4:00000037 # [ 132.851808] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 132.859830] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 132.867759] r9:c5c01f60 r8:c532f240 r7:00000017 r6:b6e97000 r5:c5ac2640 r4:c0c2e800 # [ 132.875519] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 132.883359] r9:c07f59f4 r8:c5c01f60 r7:c2816000 r6:b6e97000 r5:c5ac2640 r4:00000000 # [ 132.891116] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 132.898262] r10:00000004 r9:00000000 r8:00000000 r7:b6e97000 r6:c5c00000 r5:c5ac2640 # [ 132.906099] r4:c5ac2640 # [ 132.908647] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 132.915795] r9:c5c00000 r8:c03002e4 r7:00000004 r6:b6fdee00 r5:00000017 r4:00000017 # [ 132.923552] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 132.931128] Exception stack(0xc5c01fa8 to 0xc5c01ff0) # [ 132.936192] 1fa0: 00000017 00000017 00000001 b6e97000 00000017 00000000 # [ 132.944381] 1fc0: 00000017 00000017 b6fdee00 00000004 00000001 00000000 00020000 bec6fa54 # [ 132.952565] 1fe0: 00000004 bec6f788 b6f494cf b6ecf7e6 # [ 132.957702] irq event stamp: 0 # [ 132.960781] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 132.966405] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 132.973952] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 132.981490] softirqs last disabled at (0): [<00000000>] 0x0 # [ 132.987102] ---[ end trace ca4978ee28c71861 ]--- # [ 132.991771] lkdtm: Saturation detected: still saturated # REFCOUNT_ADD_SATURATED: saw 'Saturation detected: still saturated': ok ok 54 selftests: lkdtm: REFCOUNT_ADD_SATURATED.sh # selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_SATURATED.sh [ 133.575700] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED [ 133.582807] lkdtm: attempting bad refcount_inc_not_zero() from saturated [ 133.589545] ------------[ cut here ]------------ [ 133.594328] WARNING: CPU: 1 PID: 3130 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 [ 133.602887] refcount_t: saturated; leaking memory. [ 133.607713] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imx_ldb etnaviv dw_hdmi_imx dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 [ 133.637322] CPU: 1 PID: 3130 Comm: cat Tainted: G D W 5.10.145-cip17 #1 [ 133.645095] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 133.651645] Backtrace: [ 133.654162] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 133.661764] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f728 [ 133.667466] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 133.674818] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 133.681811] r9:00000009 r8:c086ddd0 r7:00000013 r6:00000009 r5:c086ddd0 r4:c1a248c4 [ 133.689587] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 133.697096] r7:00000013 r6:c1a248c4 r5:c1a2489c r4:c6c56000 [ 133.702800] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) [ 133.711792] r9:c1ad05a4 r8:c15e8544 r7:c6c57f60 r6:00000020 r5:c6950000 r4:c0000000 [ 133.719577] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) [ 133.730051] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x50/0x88) [ 133.741808] r5:c6950000 r4:c6c56000 [ 133.745430] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) [ 133.755449] r4:00000038 [ 133.758020] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 133.766065] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 133.774013] r9:c6c57f60 r8:c532f240 r7:00000020 r6:b6e25000 r5:c5b39540 r4:c0c2e800 [ 133.781795] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 133.789655] r9:c07f59f4 r8:c6c57f60 r7:c2816000 r6:b6e25000 r5:c5b39540 r4:00000000 [ 133.797429] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 133.804595] r10:00000004 r9:00000000 r8:00000000 r7:b6e25000 r6:c6c56000 r5:c5b39540 [ 133.812444] r4:c5b39540 [ 133.815012] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 133.822178] r9:c6c56000 r8:c03002e4 r7:00000004 r6:b6f6ce00 r5:00000020 r4:00000020 [ 133.829956] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 133.837548] Exception stack(0xc6c57fa8 to 0xc6c57ff0) [ 133.842631] 7fa0: 00000020 00000020 00000001 b6e25000 00000020 00000000 [ 133.850840] 7fc0: 00000020 00000020 b6f6ce00 00000004 00000001 00000000 00020000 bef85a54 [ 133.859043] 7fe0: 00000004 bef85788 b6ed74cf b6e5d7e6 [ 133.864305] irq event stamp: 0 [ 133.867420] hardirqs last enabled at (0): [<00000000>] 0x0 [ 133.873119] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 133.880654] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 133.888244] softirqs last disabled at (0): [<00000000>] 0x0 [ 133.893921] ---[ end trace ca4978ee28c71862 ]--- [ 133.898576] lkdtm: Saturation detected: still saturated # [ 133.575700] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 133.582807] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 133.589545] ------------[ cut here ]------------ # [ 133.594328] WARNING: CPU: 1 PID: 3130 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 133.602887] refcount_t: saturated; leaking memory. # [ 133.607713] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imx_ldb etnaviv dw_hdmi_imx dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 # [ 133.637322] CPU: 1 PID: 3130 Comm: cat Tainted: G D W 5.10.145-cip17 #1 # [ 133.645095] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 133.651645] Backtrace: # [ 133.654162] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 133.661764] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f728 # [ 133.667466] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 133.674818] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 133.681811] r9:00000009 r8:c086ddd0 r7:00000013 r6:00000009 r5:c086ddd0 r4:c1a248c4 # [ 133.689587] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 133.697096] r7:00000013 r6:c1a248c4 r5:c1a2489c r4:c6c56000 # [ 133.702800] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 133.711792] r9:c1ad05a4 r8:c15e8544 r7:c6c57f60 r6:00000020 r5:c6950000 r4:c0000000 # [ 133.719577] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 133.730051] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x50/0x88) # [ 133.741808] r5:c6950000 r4:c6c56000 # [ 133.745430] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 133.755449] r4:00000038 # [ 133.758020] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 133.766065] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 133.774013] r9:c6c57f60 r8:c532f240 r7:00000020 r6:b6e25000 r5:c5b39540 r4:c0c2e800 # [ 133.781795] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 133.789655] r9:c07f59f4 r8:c6c57f60 r7:c2816000 r6:b6e25000 r5:c5b39540 r4:00000000 # [ 133.797429] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 133.804595] r10:00000004 r9:00000000 r8:00000000 r7:b6e25000 r6:c6c56000 r5:c5b39540 # [ 133.812444] r4:c5b39540 # [ 133.815012] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 133.822178] r9:c6c56000 r8:c03002e4 r7:00000004 r6:b6f6ce00 r5:00000020 r4:00000020 # [ 133.829956] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 133.837548] Exception stack(0xc6c57fa8 to 0xc6c57ff0) # [ 133.842631] 7fa0: 00000020 00000020 00000001 b6e25000 00000020 00000000 # [ 133.850840] 7fc0: 00000020 00000020 b6f6ce00 00000004 00000001 00000000 00020000 bef85a54 # [ 133.859043] 7fe0: 00000004 bef85788 b6ed74cf b6e5d7e6 # [ 133.864305] irq event stamp: 0 # [ 133.867420] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 133.873119] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 133.880654] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 133.888244] softirqs last disabled at (0): [<00000000>] 0x0 # [ 133.893921] ---[ end trace ca4978ee28c71862 ]--- # [ 133.898576] lkdtm: Saturation detected: still saturated # REFCOUNT_INC_NOT_ZERO_SATURATED: missing 'call trace:': [FAIL] not ok 55 selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_SATURATED.sh # exit=1 # selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_SATURATED.sh [ 134.489926] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED [ 134.496914] lkdtm: attempting bad refcount_add_not_zero() from saturated [ 134.503696] ------------[ cut here ]------------ [ 134.508350] WARNING: CPU: 2 PID: 3164 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 [ 134.516841] refcount_t: saturated; leaking memory. [ 134.521681] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imx_ldb etnaviv dw_hdmi_imx dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 [ 134.550928] CPU: 2 PID: 3164 Comm: cat Tainted: G D W 5.10.145-cip17 #1 [ 134.558682] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 134.565219] Backtrace: [ 134.567701] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 134.575285] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f728 [ 134.580963] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 134.588289] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 134.595263] r9:00000009 r8:c086ddd0 r7:00000013 r6:00000009 r5:c086ddd0 r4:c1a248c4 [ 134.603020] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 134.610513] r7:00000013 r6:c1a248c4 r5:c1a2489c r4:c684c000 [ 134.616189] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) [ 134.625159] r9:c1ad05c4 r8:c15e8544 r7:c684df60 r6:00000020 r5:c6bd1000 r4:c0000000 [ 134.632921] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) [ 134.643372] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x50/0x88) [ 134.655117] r5:c6bd1000 r4:c684c000 [ 134.658715] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) [ 134.668721] r4:00000039 [ 134.671271] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 134.679293] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 134.687222] r9:c684df60 r8:c532f240 r7:00000020 r6:b6e98000 r5:c6a88140 r4:c0c2e800 [ 134.694983] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 134.702825] r9:c07f59f4 r8:c684df60 r7:c2816000 r6:b6e98000 r5:c6a88140 r4:00000000 [ 134.710580] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 134.717726] r10:00000004 r9:00000000 r8:00000000 r7:b6e98000 r6:c684c000 r5:c6a88140 [ 134.725562] r4:c6a88140 [ 134.728110] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 134.735257] r9:c684c000 r8:c03002e4 r7:00000004 r6:b6fdfe00 r5:00000020 r4:00000020 [ 134.743017] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 134.750595] Exception stack(0xc684dfa8 to 0xc684dff0) [ 134.755661] dfa0: 00000020 00000020 00000001 b6e98000 00000020 00000000 [ 134.763852] dfc0: 00000020 00000020 b6fdfe00 00000004 00000001 00000000 00020000 be9f8a54 [ 134.772037] dfe0: 00000004 be9f8788 b6f4a4cf b6ed07e6 [ 134.777161] irq event stamp: 0 [ 134.780239] hardirqs last enabled at (0): [<00000000>] 0x0 [ 134.785864] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 134.793412] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 134.800978] softirqs last disabled at (0): [<00000000>] 0x0 [ 134.806573] ---[ end trace ca4978ee28c71863 ]--- [ 134.811240] lkdtm: Saturation detected: still saturated # [ 134.489926] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 134.496914] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 134.503696] ------------[ cut here ]------------ # [ 134.508350] WARNING: CPU: 2 PID: 3164 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 134.516841] refcount_t: saturated; leaking memory. # [ 134.521681] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imx_ldb etnaviv dw_hdmi_imx dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 # [ 134.550928] CPU: 2 PID: 3164 Comm: cat Tainted: G D W 5.10.145-cip17 #1 # [ 134.558682] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 134.565219] Backtrace: # [ 134.567701] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 134.575285] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f728 # [ 134.580963] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 134.588289] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 134.595263] r9:00000009 r8:c086ddd0 r7:00000013 r6:00000009 r5:c086ddd0 r4:c1a248c4 # [ 134.603020] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 134.610513] r7:00000013 r6:c1a248c4 r5:c1a2489c r4:c684c000 # [ 134.616189] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 134.625159] r9:c1ad05c4 r8:c15e8544 r7:c684df60 r6:00000020 r5:c6bd1000 r4:c0000000 # [ 134.632921] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 134.643372] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x50/0x88) # [ 134.655117] r5:c6bd1000 r4:c684c000 # [ 134.658715] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 134.668721] r4:00000039 # [ 134.671271] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 134.679293] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 134.687222] r9:c684df60 r8:c532f240 r7:00000020 r6:b6e98000 r5:c6a88140 r4:c0c2e800 # [ 134.694983] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 134.702825] r9:c07f59f4 r8:c684df60 r7:c2816000 r6:b6e98000 r5:c6a88140 r4:00000000 # [ 134.710580] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 134.717726] r10:00000004 r9:00000000 r8:00000000 r7:b6e98000 r6:c684c000 r5:c6a88140 # [ 134.725562] r4:c6a88140 # [ 134.728110] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 134.735257] r9:c684c000 r8:c03002e4 r7:00000004 r6:b6fdfe00 r5:00000020 r4:00000020 # [ 134.743017] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 134.750595] Exception stack(0xc684dfa8 to 0xc684dff0) # [ 134.755661] dfa0: 00000020 00000020 00000001 b6e98000 00000020 00000000 # [ 134.763852] dfc0: 00000020 00000020 b6fdfe00 00000004 00000001 00000000 00020000 be9f8a54 # [ 134.772037] dfe0: 00000004 be9f8788 b6f4a4cf b6ed07e6 # [ 134.777161] irq event stamp: 0 # [ 134.780239] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 134.785864] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 134.793412] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 134.800978] softirqs last disabled at (0): [<00000000>] 0x0 # [ 134.806573] ---[ end trace ca4978ee28c71863 ]--- # [ 134.811240] lkdtm: Saturation detected: still saturated # REFCOUNT_ADD_NOT_ZERO_SATURATED: missing 'call trace:': [FAIL] not ok 56 selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_SATURATED.sh # exit=1 # selftests: lkdtm: REFCOUNT_DEC_AND_TEST_SATURATED.sh [ 135.378919] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED [ 135.385968] lkdtm: attempting bad refcount_dec_and_test() from saturated [ 135.392796] ------------[ cut here ]------------ [ 135.397483] WARNING: CPU: 3 PID: 3201 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 [ 135.406096] refcount_t: underflow; use-after-free. [ 135.410943] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imx_ldb etnaviv dw_hdmi_imx dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 [ 135.440166] CPU: 3 PID: 3201 Comm: cat Tainted: G D W 5.10.145-cip17 #1 [ 135.447919] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 135.454453] Backtrace: [ 135.456936] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 135.464518] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f728 [ 135.470197] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 135.477525] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 135.484501] r9:00000009 r8:c086de6c r7:0000001c r6:00000009 r5:c086de6c r4:c1a248c4 [ 135.492259] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 135.499751] r7:0000001c r6:c1a248c4 r5:c1a24900 r4:c5e84000 [ 135.505429] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) [ 135.514487] r9:c1ad05e4 r8:c15e8544 r7:c5e85f60 r6:00000020 r5:c5a82000 r4:c5e84000 [ 135.522254] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) [ 135.532711] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x50/0x88) [ 135.544465] [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) [ 135.554471] r4:0000003a [ 135.557020] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 135.565042] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 135.572969] r9:c5e85f60 r8:c532f240 r7:00000020 r6:b6e3f000 r5:c5b62280 r4:c0c2e800 [ 135.580731] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 135.588573] r9:c07f59f4 r8:c5e85f60 r7:c2816000 r6:b6e3f000 r5:c5b62280 r4:00000000 [ 135.596328] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 135.603474] r10:00000004 r9:00000000 r8:00000000 r7:b6e3f000 r6:c5e84000 r5:c5b62280 [ 135.611309] r4:c5b62280 [ 135.613857] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 135.621005] r9:c5e84000 r8:c03002e4 r7:00000004 r6:b6f86e00 r5:00000020 r4:00000020 [ 135.628765] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 135.636343] Exception stack(0xc5e85fa8 to 0xc5e85ff0) [ 135.641407] 5fa0: 00000020 00000020 00000001 b6e3f000 00000020 00000000 [ 135.649597] 5fc0: 00000020 00000020 b6f86e00 00000004 00000001 00000000 00020000 bebdba54 [ 135.657783] 5fe0: 00000004 bebdb788 b6ef14cf b6e777e6 [ 135.662929] irq event stamp: 0 [ 135.666007] hardirqs last enabled at (0): [<00000000>] 0x0 [ 135.671635] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 135.679148] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 135.686734] softirqs last disabled at (0): [<00000000>] 0x0 [ 135.692361] ---[ end trace ca4978ee28c71864 ]--- [ 135.697001] lkdtm: Saturation detected: still saturated # [ 135.378919] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 135.385968] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 135.392796] ------------[ cut here ]------------ # [ 135.397483] WARNING: CPU: 3 PID: 3201 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 135.406096] refcount_t: underflow; use-after-free. # [ 135.410943] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imx_ldb etnaviv dw_hdmi_imx dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 # [ 135.440166] CPU: 3 PID: 3201 Comm: cat Tainted: G D W 5.10.145-cip17 #1 # [ 135.447919] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 135.454453] Backtrace: # [ 135.456936] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 135.464518] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f728 # [ 135.470197] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 135.477525] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 135.484501] r9:00000009 r8:c086de6c r7:0000001c r6:00000009 r5:c086de6c r4:c1a248c4 # [ 135.492259] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 135.499751] r7:0000001c r6:c1a248c4 r5:c1a24900 r4:c5e84000 # [ 135.505429] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 135.514487] r9:c1ad05e4 r8:c15e8544 r7:c5e85f60 r6:00000020 r5:c5a82000 r4:c5e84000 # [ 135.522254] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 135.532711] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x50/0x88) # [ 135.544465] [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 135.554471] r4:0000003a # [ 135.557020] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 135.565042] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 135.572969] r9:c5e85f60 r8:c532f240 r7:00000020 r6:b6e3f000 r5:c5b62280 r4:c0c2e800 # [ 135.580731] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 135.588573] r9:c07f59f4 r8:c5e85f60 r7:c2816000 r6:b6e3f000 r5:c5b62280 r4:00000000 # [ 135.596328] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 135.603474] r10:00000004 r9:00000000 r8:00000000 r7:b6e3f000 r6:c5e84000 r5:c5b62280 # [ 135.611309] r4:c5b62280 # [ 135.613857] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 135.621005] r9:c5e84000 r8:c03002e4 r7:00000004 r6:b6f86e00 r5:00000020 r4:00000020 # [ 135.628765] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 135.636343] Exception stack(0xc5e85fa8 to 0xc5e85ff0) # [ 135.641407] 5fa0: 00000020 00000020 00000001 b6e3f000 00000020 00000000 # [ 135.649597] 5fc0: 00000020 00000020 b6f86e00 00000004 00000001 00000000 00020000 bebdba54 # [ 135.657783] 5fe0: 00000004 bebdb788 b6ef14cf b6e777e6 # [ 135.662929] irq event stamp: 0 # [ 135.666007] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 135.671635] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 135.679148] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 135.686734] softirqs last disabled at (0): [<00000000>] 0x0 # [ 135.692361] ---[ end trace ca4978ee28c71864 ]--- # [ 135.697001] lkdtm: Saturation detected: still saturated # REFCOUNT_DEC_AND_TEST_SATURATED: saw 'Saturation detected: still saturated': ok ok 57 selftests: lkdtm: REFCOUNT_DEC_AND_TEST_SATURATED.sh # selftests: lkdtm: REFCOUNT_SUB_AND_TEST_SATURATED.sh [ 136.268976] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED [ 136.276075] lkdtm: attempting bad refcount_sub_and_test() from saturated [ 136.282905] ------------[ cut here ]------------ [ 136.287595] WARNING: CPU: 0 PID: 3236 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 [ 136.296279] refcount_t: underflow; use-after-free. [ 136.301184] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imx_ldb etnaviv dw_hdmi_imx dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 [ 136.330966] CPU: 0 PID: 3236 Comm: cat Tainted: G D W 5.10.145-cip17 #1 [ 136.338738] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 136.345286] Backtrace: [ 136.347804] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 136.355405] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f728 [ 136.361105] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 136.368454] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 136.375449] r9:00000009 r8:c086de6c r7:0000001c r6:00000009 r5:c086de6c r4:c1a248c4 [ 136.383225] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 136.390736] r7:0000001c r6:c1a248c4 r5:c1a24900 r4:c6b3c000 [ 136.396437] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) [ 136.405512] r9:c1ad0604 r8:c15e8544 r7:c6b3df60 r6:00000020 r5:c699e000 r4:c6b3c000 [ 136.413308] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) [ 136.423790] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x50/0x88) [ 136.435567] [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) [ 136.445587] r4:0000003b [ 136.448158] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 136.456202] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 136.464149] r9:c6b3df60 r8:c532f240 r7:00000020 r6:b6df0000 r5:c6e1a140 r4:c0c2e800 [ 136.471931] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 136.479793] r9:c07f59f4 r8:c6b3df60 r7:c2816000 r6:b6df0000 r5:c6e1a140 r4:00000000 [ 136.487568] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 136.494734] r10:00000004 r9:00000000 r8:00000000 r7:b6df0000 r6:c6b3c000 r5:c6e1a140 [ 136.502582] r4:c6e1a140 [ 136.505148] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 136.512313] r9:c6b3c000 r8:c03002e4 r7:00000004 r6:b6f37e00 r5:00000020 r4:00000020 [ 136.520091] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 136.527682] Exception stack(0xc6b3dfa8 to 0xc6b3dff0) [ 136.532764] dfa0: 00000020 00000020 00000001 b6df0000 00000020 00000000 [ 136.540973] dfc0: 00000020 00000020 b6f37e00 00000004 00000001 00000000 00020000 bead8a54 [ 136.549175] dfe0: 00000004 bead8788 b6ea24cf b6e287e6 [ 136.554354] irq event stamp: 0 [ 136.557461] hardirqs last enabled at (0): [<00000000>] 0x0 [ 136.563156] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 136.570686] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 136.578274] softirqs last disabled at (0): [<00000000>] 0x0 [ 136.583949] ---[ end trace ca4978ee28c71865 ]--- [ 136.588636] lkdtm: Saturation detected: still saturated # [ 136.268976] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 136.276075] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 136.282905] ------------[ cut here ]------------ # [ 136.287595] WARNING: CPU: 0 PID: 3236 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 136.296279] refcount_t: underflow; use-after-free. # [ 136.301184] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev imx_ldb etnaviv dw_hdmi_imx dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 # [ 136.330966] CPU: 0 PID: 3236 Comm: cat Tainted: G D W 5.10.145-cip17 #1 # [ 136.338738] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 136.345286] Backtrace: # [ 136.347804] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 136.355405] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f728 # [ 136.361105] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 136.368454] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 136.375449] r9:00000009 r8:c086de6c r7:0000001c r6:00000009 r5:c086de6c r4:c1a248c4 # [ 136.383225] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 136.390736] r7:0000001c r6:c1a248c4 r5:c1a24900 r4:c6b3c000 # [ 136.396437] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 136.405512] r9:c1ad0604 r8:c15e8544 r7:c6b3df60 r6:00000020 r5:c699e000 r4:c6b3c000 # [ 136.413308] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 136.423790] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x50/0x88) # [ 136.435567] [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 136.445587] r4:0000003b # [ 136.448158] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 136.456202] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 136.464149] r9:c6b3df60 r8:c532f240 r7:00000020 r6:b6df0000 r5:c6e1a140 r4:c0c2e800 # [ 136.471931] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 136.479793] r9:c07f59f4 r8:c6b3df60 r7:c2816000 r6:b6df0000 r5:c6e1a140 r4:00000000 # [ 136.487568] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 136.494734] r10:00000004 r9:00000000 r8:00000000 r7:b6df0000 r6:c6b3c000 r5:c6e1a140 # [ 136.502582] r4:c6e1a140 # [ 136.505148] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 136.512313] r9:c6b3c000 r8:c03002e4 r7:00000004 r6:b6f37e00 r5:00000020 r4:00000020 # [ 136.520091] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 136.527682] Exception stack(0xc6b3dfa8 to 0xc6b3dff0) # [ 136.532764] dfa0: 00000020 00000020 00000001 b6df0000 00000020 00000000 # [ 136.540973] dfc0: 00000020 00000020 b6f37e00 00000004 00000001 00000000 00020000 bead8a54 # [ 136.549175] dfe0: 00000004 bead8788 b6ea24cf b6e287e6 # [ 136.554354] irq event stamp: 0 # [ 136.557461] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 136.563156] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 136.570686] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 136.578274] softirqs last disabled at (0): [<00000000>] 0x0 # [ 136.583949] ---[ end trace ca4978ee28c71865 ]--- # [ 136.588636] lkdtm: Saturation detected: still saturated # REFCOUNT_SUB_AND_TEST_SATURATED: saw 'Saturation detected: still saturated': ok ok 58 selftests: lkdtm: REFCOUNT_SUB_AND_TEST_SATURATED.sh # selftests: lkdtm: REFCOUNT_TIMING.sh # Skipping REFCOUNT_TIMING: timing only ok 59 selftests: lkdtm: REFCOUNT_TIMING.sh # SKIP # selftests: lkdtm: ATOMIC_TIMING.sh # Skipping ATOMIC_TIMING: timing only ok 60 selftests: lkdtm: ATOMIC_TIMING.sh # SKIP # selftests: lkdtm: USERCOPY_HEAP_SIZE_TO.sh [ 137.600255] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO [ 137.606439] lkdtm: attempting good copy_to_user of correct size [ 137.612481] lkdtm: attempting bad copy_to_user of too large size # [ 137.600255] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 137.606439] lkdtm: attempting good copy_to_user of correct size # [ 137.612481] lkdtm: attempting bad copy_to_user of too large size # USERCOPY_HEAP_SIZE_TO: missing 'call trace:': [FAIL] not ok 61 selftests: lkdtm: USERCOPY_HEAP_SIZE_TO.sh # exit=1 # selftests: lkdtm: USERCOPY_HEAP_SIZE_FROM.sh [ 138.148576] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM [ 138.154937] lkdtm: attempting good copy_from_user of correct size [ 138.161197] lkdtm: attempting bad copy_from_user of too large size # [ 138.148576] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 138.154937] lkdtm: attempting good copy_from_user of correct size # [ 138.161197] lkdtm: attempting bad copy_from_user of too large size # USERCOPY_HEAP_SIZE_FROM: missing 'call trace:': [FAIL] not ok 62 selftests: lkdtm: USERCOPY_HEAP_SIZE_FROM.sh # exit=1 # selftests: lkdtm: USERCOPY_HEAP_WHITELIST_TO.sh [ 138.676481] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO [ 138.683067] lkdtm: attempting good copy_to_user inside whitelist [ 138.689130] lkdtm: attempting bad copy_to_user outside whitelist # [ 138.676481] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 138.683067] lkdtm: attempting good copy_to_user inside whitelist # [ 138.689130] 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 [ 139.224279] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM [ 139.231096] lkdtm: attempting good copy_from_user inside whitelist [ 139.237337] lkdtm: attempting bad copy_from_user outside whitelist # [ 139.224279] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 139.231096] lkdtm: attempting good copy_from_user inside whitelist # [ 139.237337] lkdtm: attempting bad copy_from_user outside whitelist # USERCOPY_HEAP_WHITELIST_FROM: missing 'call trace:': [FAIL] not ok 64 selftests: lkdtm: USERCOPY_HEAP_WHITELIST_FROM.sh # exit=1 # selftests: lkdtm: USERCOPY_STACK_FRAME_TO.sh [ 139.767412] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO [ 139.773744] lkdtm: good_stack: c692de0c-c692de2c [ 139.778398] lkdtm: bad_stack : c692dd84-c692dda4 [ 139.783100] lkdtm: attempting good copy_to_user of local stack [ 139.788989] lkdtm: attempting bad copy_to_user of distant stack # [ 139.767412] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 139.773744] lkdtm: good_stack: c692de0c-c692de2c # [ 139.778398] lkdtm: bad_stack : c692dd84-c692dda4 # [ 139.783100] lkdtm: attempting good copy_to_user of local stack # [ 139.788989] 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 [ 140.320679] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM [ 140.327221] lkdtm: good_stack: c5a3de0c-c5a3de2c [ 140.331947] lkdtm: bad_stack : c5a3dd84-c5a3dda4 [ 140.336608] lkdtm: attempting good copy_from_user of local stack [ 140.342700] lkdtm: attempting bad copy_from_user of distant stack # [ 140.320679] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 140.327221] lkdtm: good_stack: c5a3de0c-c5a3de2c # [ 140.331947] lkdtm: bad_stack : c5a3dd84-c5a3dda4 # [ 140.336608] lkdtm: attempting good copy_from_user of local stack # [ 140.342700] lkdtm: attempting bad copy_from_user of distant stack # USERCOPY_STACK_FRAME_FROM: missing 'call trace:': [FAIL] not ok 66 selftests: lkdtm: USERCOPY_STACK_FRAME_FROM.sh # exit=1 # selftests: lkdtm: USERCOPY_STACK_BEYOND.sh [ 140.866974] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND [ 140.873130] lkdtm: good_stack: c5d1be0c-c5d1be2c [ 140.877786] lkdtm: bad_stack : c5d1bffc-c5d1c01c [ 140.882495] lkdtm: attempting good copy_to_user of local stack [ 140.888385] lkdtm: attempting bad copy_to_user of distant stack # [ 140.866974] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 140.873130] lkdtm: good_stack: c5d1be0c-c5d1be2c # [ 140.877786] lkdtm: bad_stack : c5d1bffc-c5d1c01c # [ 140.882495] lkdtm: attempting good copy_to_user of local stack # [ 140.888385] 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 [ 141.408294] lkdtm: Performing direct entry USERCOPY_KERNEL [ 141.413875] lkdtm: attempting good copy_to_user from kernel rodata: c15e87f0 [ 141.421029] lkdtm: attempting bad copy_to_user from kernel text: c053a034 [ 141.427841] lkdtm: FAIL: survived bad copy_to_user() # [ 141.408294] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 141.413875] lkdtm: attempting good copy_to_user from kernel rodata: c15e87f0 # [ 141.421029] lkdtm: attempting bad copy_to_user from kernel text: c053a034 # [ 141.427841] lkdtm: FAIL: survived bad copy_to_user() # USERCOPY_KERNEL: missing 'call trace:': [FAIL] not ok 68 selftests: lkdtm: USERCOPY_KERNEL.sh # exit=1 # selftests: lkdtm: STACKLEAK_ERASING.sh [ 141.971199] lkdtm: Performing direct entry STACKLEAK_ERASING [ 141.976913] lkdtm: checking unused part of the thread stack (7732 bytes)... [ 141.984125] lkdtm: FAIL: the erased part is not found (checked 7732 bytes) [ 141.991142] lkdtm: FAIL: the thread stack is NOT properly erased [ 141.997200] CPU: 1 PID: 3601 Comm: cat Tainted: G D W 5.10.145-cip17 #1 [ 142.004952] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 142.011488] Backtrace: [ 142.013975] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 142.021555] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f728 [ 142.027234] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 142.034564] [] (dump_stack) from [] (lkdtm_STACKLEAK_ERASING+0x148/0x174) [ 142.043101] r9:c1ad070c r8:c15e8544 r7:c5e85f60 r6:c5e85e34 r5:c5e84000 r4:0000078d [ 142.050865] [] (lkdtm_STACKLEAK_ERASING) from [] (lkdtm_do_action+0x2c/0x4c) [ 142.059662] r8:c15e8544 r7:c5e85f60 r6:00000012 r5:c5d9b000 r4:00000046 [ 142.066380] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 142.074402] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 142.082330] r9:c5e85f60 r8:c532f240 r7:00000012 r6:b6dba000 r5:c5ac2b40 r4:c0c2e800 [ 142.090090] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 142.097933] r9:c07f59f4 r8:c5e85f60 r7:c2816000 r6:b6dba000 r5:c5ac2b40 r4:00000000 [ 142.105688] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 142.112837] r10:00000004 r9:00000000 r8:00000000 r7:b6dba000 r6:c5e84000 r5:c5ac2b40 [ 142.120671] r4:c5ac2b40 [ 142.123220] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 142.130367] r9:c5e84000 r8:c03002e4 r7:00000004 r6:b6f01e00 r5:00000012 r4:00000012 [ 142.138127] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 142.145705] Exception stack(0xc5e85fa8 to 0xc5e85ff0) [ 142.150770] 5fa0: 00000012 00000012 00000001 b6dba000 00000012 00000000 [ 142.158961] 5fc0: 00000012 00000012 b6f01e00 00000004 00000001 00000000 00020000 bef85a54 [ 142.167147] 5fe0: 00000004 bef85788 b6e6c4cf b6df27e6 # [ 141.971199] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 141.976913] lkdtm: checking unused part of the thread stack (7732 bytes)... # [ 141.984125] lkdtm: FAIL: the erased part is not found (checked 7732 bytes) # [ 141.991142] lkdtm: FAIL: the thread stack is NOT properly erased # [ 141.997200] CPU: 1 PID: 3601 Comm: cat Tainted: G D W 5.10.145-cip17 #1 # [ 142.004952] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 142.011488] Backtrace: # [ 142.013975] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 142.021555] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f728 # [ 142.027234] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 142.034564] [] (dump_stack) from [] (lkdtm_STACKLEAK_ERASING+0x148/0x174) # [ 142.043101] r9:c1ad070c r8:c15e8544 r7:c5e85f60 r6:c5e85e34 r5:c5e84000 r4:0000078d # [ 142.050865] [] (lkdtm_STACKLEAK_ERASING) from [] (lkdtm_do_action+0x2c/0x4c) # [ 142.059662] r8:c15e8544 r7:c5e85f60 r6:00000012 r5:c5d9b000 r4:00000046 # [ 142.066380] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 142.074402] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 142.082330] r9:c5e85f60 r8:c532f240 r7:00000012 r6:b6dba000 r5:c5ac2b40 r4:c0c2e800 # [ 142.090090] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 142.097933] r9:c07f59f4 r8:c5e85f60 r7:c2816000 r6:b6dba000 r5:c5ac2b40 r4:00000000 # [ 142.105688] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 142.112837] r10:00000004 r9:00000000 r8:00000000 r7:b6dba000 r6:c5e84000 r5:c5ac2b40 # [ 142.120671] r4:c5ac2b40 # [ 142.123220] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 142.130367] r9:c5e84000 r8:c03002e4 r7:00000004 r6:b6f01e00 r5:00000012 r4:00000012 # [ 142.138127] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 142.145705] Exception stack(0xc5e85fa8 to 0xc5e85ff0) # [ 142.150770] 5fa0: 00000012 00000012 00000001 b6dba000 00000012 00000000 # [ 142.158961] 5fc0: 00000012 00000012 b6f01e00 00000004 00000001 00000000 00020000 bef85a54 # [ 142.167147] 5fe0: 00000004 bef85788 b6e6c4cf b6df27e6 # 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 [ 142.708500] lkdtm: Performing direct entry CFI_FORWARD_PROTO [ 142.714363] lkdtm: Calling matched prototype ... [ 142.719015] lkdtm: Calling mismatched prototype ... [ 142.724041] lkdtm: Fail: survived mismatched prototype function call! # [ 142.708500] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 142.714363] lkdtm: Calling matched prototype ... # [ 142.719015] lkdtm: Calling mismatched prototype ... # [ 142.724041] lkdtm: Fail: survived mismatched prototype function call! # CFI_FORWARD_PROTO: missing 'call trace:': [FAIL] not ok 70 selftests: lkdtm: CFI_FORWARD_PROTO.sh # exit=1 + ../../utils/send-to-lava.sh ./output/result.txt + set +x / #