[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 192.168.201.13 (24 ms) => setenv serverip 192.168.201.1 setenv serverip 192.168.201.1 => tftp 0x10000000 11005312/tftp-deploy-rbz7pohd/kernel/zImage tftp 0x10000000 11005312/tftp-deploy-rbz7pohd/kernel/zImage Using FEC device TFTP from server 192.168.201.1; our IP address is 192.168.201.13 Filename '11005312/tftp-deploy-rbz7pohd/kernel/zImage'. Load address: 0x10000000 Loading: *################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# 5.2 MiB/s done Bytes transferred = 12403200 (bd4200 hex) => tftp 0x14000000 11005312/tftp-deploy-rbz7pohd/ramdisk/ramdisk.cpio.gz.uboot tftp 0x14000000 11005312/tftp-deploy-rbz7pohd/ramdisk/ramdisk.cpio.gz.uboot Using FEC device TFTP from server 192.168.201.1; our IP address is 192.168.201.13 Filename '11005312/tftp-deploy-rbz7pohd/ramdisk/ramdisk.cpio.gz.uboot'. Load address: 0x14000000 Loading: *################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ############### 5 MiB/s done Bytes transferred = 15476314 (ec265a hex) => setenv initrd_size ${filesize} setenv initrd_size ${filesize} => tftp 0x13f00000 11005312/tftp-deploy-rbz7pohd/dtb/imx6q-sabrelite.dtb tftp 0x13f00000 11005312/tftp-deploy-rbz7pohd/dtb/imx6q-sabrelite.dtb Using FEC device TFTP from server 192.168.201.1; our IP address is 192.168.201.13 Filename '11005312/tftp-deploy-rbz7pohd/dtb/imx6q-sabrelite.dtb'. Load address: 0x13f00000 Loading: *### 2.9 MiB/s done Bytes transferred = 42449 (a5d1 hex) => setenv bootargs 'console=ttymxc1,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/11005312/extract-nfsrootfs-pyjxk7se,tcp,hard ip=dhcp' setenv bootargs 'console=ttymxc1,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/11005312/extract-nfsrootfs-pyjxk7se,tcp,hard ip=dhcp' => bootz 0x10000000 0x14000000 0x13f00000 bootz 0x10000000 0x14000000 0x13f00000 Kernel image @ 0x10000000 [ 0x000000 - 0xbd4200 ] ## Loading init Ramdisk from Legacy Image at 14000000 ... Image Name: Image Type: ARM Linux RAMDisk Image (uncompressed) Data Size: 15476250 Bytes = 14.8 MiB Load Address: 00000000 Entry Point: 00000000 Verifying Checksum ... OK ## Flattened Device Tree blob at 13f00000 Booting using the fdt blob at 0x13f00000 Using Device Tree in place at 13f00000, end 13f0d5d0 Starting kernel ... [ 0.000000] Booting Linux on physical CPU 0x0 [ 0.000000] Linux version 5.10.184-cip36 (KernelCI@build-j123671-arm-gcc-10-multi-v7-defconfig-kselftest-pkv9b) (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 Jul 4 06:05:44 UTC 2023 [ 0.000000] CPU: ARMv7 Processor [412fc09a] revision 10 (ARMv7), cr=10c5387d [ 0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache [ 0.000000] OF: fdt: Machine model: Freescale i.MX6 Quad SABRE Lite Board [ 0.000000] Memory policy: Data cache writealloc [ 0.000000] efi: UEFI not found. [ 0.000000] OF: fdt: Reserved memory: unsupported node format, ignoring [ 0.000000] cma: Reserved 64 MiB at 0x4c000000 [ 0.000000] Zone ranges: [ 0.000000] DMA [mem 0x0000000010000000-0x000000003fffffff] [ 0.000000] Normal empty [ 0.000000] HighMem [mem 0x0000000040000000-0x000000004fffffff] [ 0.000000] Movable zone start for each node [ 0.000000] Early memory node ranges [ 0.000000] node 0: [mem 0x0000000010000000-0x000000004fffffff] [ 0.000000] Initmem setup node 0 [mem 0x0000000010000000-0x000000004fffffff] [ 0.000000] percpu: Embedded 21 pages/cpu s55468 r8192 d22356 u86016 [ 0.000000] Built 1 zonelists, mobility grouping on. Total pages: 260608 [ 0.000000] Kernel command line: console=ttymxc1,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/11005312/extract-nfsrootfs-pyjxk7se,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: 921400K/1048576K available (17408K kernel code, 2658K rwdata, 8108K rodata, 2048K init, 6693K bss, 61640K reserved, 65536K cma-reserved, 196608K highmem) [ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 [ 0.000000] ftrace: allocating 55432 entries in 163 pages [ 0.000000] ftrace: allocated 163 pages with 4 groups [ 0.000000] Running RCU self tests [ 0.000000] rcu: Hierarchical RCU implementation. [ 0.000000] rcu: RCU event tracing is enabled. [ 0.000000] rcu: RCU lockdep checking is enabled. [ 0.000000] rcu: RCU restricting CPUs from NR_CPUS=16 to nr_cpu_ids=4. [ 0.000000] Rude variant of Tasks RCU enabled. [ 0.000000] Tracing variant of Tasks RCU enabled. [ 0.000000] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. [ 0.000000] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4 [ 0.000000] NR_IRQS: 16, nr_irqs: 16, preallocated irqs: 16 [ 0.000000] L2C-310 errata 752271 769419 enabled [ 0.000000] L2C-310 enabling early BRESP for Cortex-A9 [ 0.000000] L2C-310 full line of zeros enabled for Cortex-A9 [ 0.000000] L2C-310 ID prefetch enabled, offset 16 lines [ 0.000000] L2C-310 dynamic clock gating enabled, standby mode enabled [ 0.000000] L2C-310 cache controller enabled, 16 ways, 1024 kB [ 0.000000] L2C-310: CACHE_ID 0x410000c7, AUX_CTRL 0x76470001 [ 0.000000] Switching to timer-based delay loop, resolution 15ns [ 0.000008] sched_clock: 32 bits at 66MHz, resolution 15ns, wraps every 32537631224ns [ 0.000041] clocksource: mxc_timer1: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 28958491609 ns [ 0.004503] Console: colour dummy device 80x30 [ 0.004571] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 0.004602] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 0.004630] ... MAX_LOCK_DEPTH: 48 [ 0.004657] ... MAX_LOCKDEP_KEYS: 8192 [ 0.004683] ... CLASSHASH_SIZE: 4096 [ 0.004710] ... MAX_LOCKDEP_ENTRIES: 32768 [ 0.004736] ... MAX_LOCKDEP_CHAINS: 65536 [ 0.004762] ... CHAINHASH_SIZE: 32768 [ 0.004789] memory used by lock dependency info: 4061 kB [ 0.004816] memory used for stack traces: 2112 kB [ 0.004842] per task-struct memory footprint: 1536 bytes [ 0.004942] Calibrating delay loop (skipped), value calculated using timer frequency.. 132.00 BogoMIPS (lpj=660000) [ 0.004993] pid_max: default: 32768 minimum: 301 [ 0.005351] LSM: Security Framework initializing [ 0.005460] LSM support for eBPF active [ 0.005598] Mount-cache hash table entries: 2048 (order: 1, 8192 bytes, linear) [ 0.005651] Mountpoint-cache hash table entries: 2048 (order: 1, 8192 bytes, linear) [ 0.008179] CPU: Testing write buffer coherency: ok [ 0.008312] CPU0: Spectre v2: using BPIALL workaround [ 0.009338] CPU0: thread -1, cpu 0, socket 0, mpidr 80000000 [ 0.012877] Setting up static identity map for 0x10300000 - 0x103000ac [ 0.015285] rcu: Hierarchical SRCU implementation. [ 0.024140] EFI services will not be available. [ 0.025316] smp: Bringing up secondary CPUs ... [ 0.028235] CPU1: thread -1, cpu 1, socket 0, mpidr 80000001 [ 0.028249] CPU1: Spectre v2: using BPIALL workaround [ 0.031754] CPU2: thread -1, cpu 2, socket 0, mpidr 80000002 [ 0.031768] CPU2: Spectre v2: using BPIALL workaround [ 0.034921] CPU3: thread -1, cpu 3, socket 0, mpidr 80000003 [ 0.034936] CPU3: Spectre v2: using BPIALL workaround [ 0.035611] smp: Brought up 1 node, 4 CPUs [ 0.035649] SMP: Total of 4 processors activated (528.00 BogoMIPS). [ 0.035678] CPU: All CPU(s) started in SVC mode. [ 0.038076] devtmpfs: initialized [ 0.086694] VFP support v0.3: implementor 41 architecture 3 part 30 variant 9 rev 4 [ 0.089285] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 0.089359] futex hash table entries: 1024 (order: 4, 65536 bytes, linear) [ 0.094063] pinctrl core: initialized pinctrl subsystem [ 0.100521] DMI not present or invalid. [ 0.102687] NET: Registered protocol family 16 [ 0.112574] DMA: preallocated 256 KiB pool for atomic coherent allocations [ 0.121192] thermal_sys: Registered thermal governor 'step_wise' [ 0.121698] cpuidle: using governor menu [ 0.122185] CPU identified as i.MX6Q, silicon rev 1.0 [ 0.755092] vdd1p1: supplied by regulator-dummy [ 0.782083] vdd3p0: supplied by regulator-dummy [ 0.808628] vdd2p5: supplied by regulator-dummy [ 0.835333] vddarm: supplied by regulator-dummy [ 0.862757] vddpu: supplied by regulator-dummy [ 0.888567] vddsoc: supplied by regulator-dummy [ 2.023358] No ATAGs? [ 2.023901] hw-breakpoint: found 5 (+1 reserved) breakpoint and 1 watchpoint registers. [ 2.023979] hw-breakpoint: maximum watchpoint size is 4 bytes. [ 2.040748] imx6q-pinctrl 20e0000.pinctrl: initialized IMX pinctrl driver [ 2.066217] Serial: AMBA PL011 UART driver [ 2.122551] Kprobes globally optimized [ 2.225367] iommu: Default domain type: Translated [ 2.227301] vgaarb: loaded [ 2.231598] SCSI subsystem initialized [ 2.233538] usbcore: registered new interface driver usbfs [ 2.233829] usbcore: registered new interface driver hub [ 2.234033] usbcore: registered new device driver usb [ 2.240677] i2c i2c-0: IMX I2C adapter registered [ 2.246767] i2c i2c-1: IMX I2C adapter registered [ 2.250761] i2c i2c-2: IMX I2C adapter registered [ 2.254906] pps_core: LinuxPPS API ver. 1 registered [ 2.254943] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 2.255036] PTP clock support registered [ 2.270346] clocksource: Switched to clocksource mxc_timer1 [ 3.837839] NET: Registered protocol family 2 [ 3.838608] IP idents hash table entries: 16384 (order: 5, 131072 bytes, linear) [ 3.841824] tcp_listen_portaddr_hash hash table entries: 512 (order: 2, 22528 bytes, linear) [ 3.841994] TCP established hash table entries: 8192 (order: 3, 32768 bytes, linear) [ 3.842204] TCP bind hash table entries: 8192 (order: 6, 327680 bytes, linear) [ 3.843643] TCP: Hash tables configured (established 8192 bind 8192) [ 3.844639] MPTCP token hash table entries: 1024 (order: 3, 49152 bytes, linear) [ 3.844962] UDP hash table entries: 512 (order: 3, 49152 bytes, linear) [ 3.845229] UDP-Lite hash table entries: 512 (order: 3, 49152 bytes, linear) [ 3.845940] NET: Registered protocol family 1 [ 3.848540] RPC: Registered named UNIX socket transport module. [ 3.848620] RPC: Registered udp transport module. [ 3.848654] RPC: Registered tcp transport module. [ 3.848687] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 3.848739] NET: Registered protocol family 44 [ 3.848803] PCI: CLS 0 bytes, default 64 [ 3.851290] Trying to unpack rootfs image as initramfs... [ 5.653261] Freeing initrd memory: 15116K [ 5.654390] hw perfevents: no interrupt-affinity property for /pmu, guessing. [ 5.655390] hw perfevents: enabled with armv7_cortex_a9 PMU driver, 7 counters available [ 5.663589] Initialise system trusted keyrings [ 5.664534] workingset: timestamp_bits=30 max_order=18 bucket_order=0 [ 5.708247] squashfs: version 4.0 (2009/01/31) Phillip Lougher [ 5.711801] NFS: Registering the id_resolver key type [ 5.711972] Key type id_resolver registered [ 5.712055] Key type id_legacy registered [ 5.712609] nfs4filelayout_init: NFSv4 File Layout Driver Registering... [ 5.712712] nfs4flexfilelayout_init: NFSv4 Flexfile Layout Driver Registering... [ 5.712909] ntfs: driver 2.1.32 [Flags: R/O]. [ 5.714808] Key type asymmetric registered [ 5.714932] Asymmetric key parser 'x509' registered [ 5.715322] bounce: pool size: 64 pages [ 5.715471] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 247) [ 5.715571] io scheduler mq-deadline registered [ 5.715611] io scheduler kyber registered [ 5.716463] test_firmware: interface ready [ 5.874085] mxs-dma 110000.dma-apbh: initialized [ 5.931254] imx-sdma 20ec000.sdma: Direct firmware load for imx/sdma/sdma-imx6q.bin failed with error -2 [ 5.931502] imx-sdma 20ec000.sdma: external firmware not found, using ROM firmware [ 6.161353] Serial: 8250/16550 driver, 5 ports, IRQ sharing enabled [ 6.179480] SuperH (H)SCI(F) driver initialized [ 6.182242] 2020000.serial: ttymxc0 at MMIO 0x2020000 (irq = 34, base_baud = 5000000) is a IMX [ 6.186815] 21e8000.serial: ttymxc1 at MMIO 0x21e8000 (irq = 81, base_baud = 5000000) is a IMX [ 7.116322] printk: console [ttymxc1] enabled [ 7.126292] msm_serial: driver initialized [ 7.131447] STMicroelectronics ASC driver initialized [ 7.142457] STM32 USART driver initialized [ 7.166520] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 0 [ 7.186365] panel-simple panel-lcd: supply power not found, using dummy regulator [ 7.194739] panel-simple panel-lcd: Specify missing connector_type [ 7.202528] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 7.251312] brd: module loaded [ 7.304331] loop: module loaded [ 7.310467] lkdtm: No crash points registered, enable through debugfs [ 7.331060] ahci-imx 2200000.sata: fsl,transmit-level-mV not specified, using 00000024 [ 7.339017] ahci-imx 2200000.sata: fsl,transmit-boost-mdB not specified, using 00000480 [ 7.347254] ahci-imx 2200000.sata: fsl,transmit-atten-16ths not specified, using 00002000 [ 7.355526] ahci-imx 2200000.sata: fsl,receive-eq-mdB not specified, using 05000000 [ 7.363528] ahci-imx 2200000.sata: supply ahci not found, using dummy regulator [ 7.371649] ahci-imx 2200000.sata: supply phy not found, using dummy regulator [ 7.379291] ahci-imx 2200000.sata: supply target not found, using dummy regulator [ 7.390536] ahci-imx 2200000.sata: SSS flag set, parallel bus scan disabled [ 7.397557] ahci-imx 2200000.sata: AHCI 0001.0300 32 slots 1 ports 3 Gbps 0x1 impl platform mode [ 7.406473] ahci-imx 2200000.sata: flags: ncq sntf stag pm led clo only pmp pio slum part ccc apst [ 7.420472] scsi host0: ahci-imx [ 7.425811] ata1: SATA max UDMA/133 mmio [mem 0x02200000-0x02203fff] port 0x100 irq 84 [ 7.484610] bgmac_bcma: Broadcom 47xx GBit MAC driver loaded [ 7.497582] pps pps0: new PPS source ptp0 [ 7.541136] fec 2188000.ethernet eth0: registered PHC device 0 [ 7.551407] e1000e: Intel(R) PRO/1000 Network Driver [ 7.556404] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. [ 7.562620] igb: Intel(R) Gigabit Ethernet Network Driver [ 7.568048] igb: Copyright (c) 2007-2014 Intel Corporation. [ 7.593565] pegasus: v0.9.3 (2013/04/25), Pegasus/Pegasus II USB Ethernet driver [ 7.601190] usbcore: registered new interface driver pegasus [ 7.607079] usbcore: registered new interface driver asix [ 7.612688] usbcore: registered new interface driver ax88179_178a [ 7.618938] usbcore: registered new interface driver cdc_ether [ 7.625029] usbcore: registered new interface driver smsc75xx [ 7.631037] usbcore: registered new interface driver smsc95xx [ 7.636954] usbcore: registered new interface driver net1080 [ 7.642817] usbcore: registered new interface driver cdc_subset [ 7.648904] usbcore: registered new interface driver zaurus [ 7.654771] usbcore: registered new interface driver cdc_ncm [ 7.672101] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 7.678731] ehci-pci: EHCI PCI platform driver [ 7.683398] ehci-platform: EHCI generic platform driver [ 7.689557] ehci-orion: EHCI orion driver [ 7.694460] SPEAr-ehci: EHCI SPEAr driver [ 7.699270] ehci-st: EHCI STMicroelectronics driver [ 7.704990] ehci-exynos: EHCI Exynos driver [ 7.709969] ehci-atmel: EHCI Atmel driver [ 7.714818] tegra-ehci: Tegra EHCI driver [ 7.719658] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 7.725993] ohci-pci: OHCI PCI platform driver [ 7.730652] ohci-platform: OHCI generic platform driver [ 7.736767] SPEAr-ohci: OHCI SPEAr driver [ 7.741642] ohci-st: OHCI STMicroelectronics driver [ 7.747328] ohci-atmel: OHCI Atmel driver [ 7.755334] usbcore: registered new interface driver usb-storage [ 7.772607] ata1: SATA link down (SStatus 0 SControl 300) [ 7.778370] ahci-imx 2200000.sata: no device found, disabling link. [ 7.784758] ahci-imx 2200000.sata: pass ahci_imx..hotplug=1 to enable hotplug [ 7.790942] i2c /dev entries driver [ 7.869902] sdhci: Secure Digital Host Controller Interface driver [ 7.876175] sdhci: Copyright(c) Pierre Ossman [ 7.889343] Synopsys Designware Multimedia Card Interface Driver [ 7.902171] sdhci-pltfm: SDHCI platform and OF driver helper [ 7.911495] sdhci-esdhc-imx 219c000.mmc: Got CD GPIO [ 7.911502] sdhci-esdhc-imx 2198000.mmc: Got CD GPIO [ 7.921818] sdhci-esdhc-imx 2198000.mmc: Got WP GPIO [ 7.928747] ledtrig-cpu: registered to indicate activity on CPUs [ 7.938327] usbcore: registered new interface driver usbhid [ 7.944009] usbhid: USB HID core driver [ 7.963980] mmc2: SDHCI controller on 2198000.mmc [2198000.mmc] using ADMA [ 7.964493] mmc3: SDHCI controller on 219c000.mmc [219c000.mmc] using ADMA [ 7.970235] ipip: IPv4 and MPLS over IPv4 tunneling driver [ 7.972795] IPv4 over IPsec tunneling driver [ 7.992448] NET: Registered protocol family 10 [ 8.002355] Segment Routing with IPv6 [ 8.011280] mmc2: new high speed SDHC card at address 0001 [ 8.011702] NET: Registered protocol family 17 [ 8.020599] mmcblk2: mmc2:0001 SD 14.8 GiB [ 8.023408] Key type dns_resolver registered [ 8.041878] ThumbEE CPU extension supported. [ 8.046214] Registering SWP/SWPB emulation handler [ 8.047303] GPT:Primary header thinks Alt. header is not at the end of the disk. [ 8.052412] Loading compiled-in X.509 certificates [ 8.058578] GPT:29296874 != 30965759 [ 8.067030] GPT:Alternate GPT header not at the end of the disk. [ 8.073218] GPT:29296874 != 30965759 [ 8.076830] GPT: Use GNU Parted to correct GPT errors. [ 8.082120] mmcblk2: p1 p2 p3 [ 8.250683] panel-simple panel-lcd: supply power not found, using dummy regulator [ 8.259076] panel-simple panel-lcd: Specify missing connector_type [ 8.272611] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 8.310004] imx_usb 2184200.usb: No over current polarity defined [ 8.323545] ci_hdrc ci_hdrc.1: EHCI Host Controller [ 8.328841] ci_hdrc ci_hdrc.1: new USB bus registered, assigned bus number 1 [ 8.361649] ci_hdrc ci_hdrc.1: USB 2.0 started, EHCI 1.00 [ 8.380852] hub 1-0:1.0: USB hub found [ 8.385220] hub 1-0:1.0: 1 port detected [ 8.399905] imx_thermal 20c8000.anatop:tempmon: invalid sensor calibration data [ 8.407344] imx_thermal 20c8000.anatop:tempmon: error -EINVAL: failed to init from nvmem [ 8.415585] imx_thermal: probe of 20c8000.anatop:tempmon failed with error -22 [ 8.443679] panel-simple panel-lcd: supply power not found, using dummy regulator [ 8.452026] panel-simple panel-lcd: Specify missing connector_type [ 8.465467] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 8.497339] panel-simple panel-lcd: supply power not found, using dummy regulator [ 8.505691] panel-simple panel-lcd: Specify missing connector_type [ 8.519164] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 8.538854] input: gpio-keys as /devices/platform/gpio-keys/input/input0 [ 8.569161] panel-simple panel-lcd: supply power not found, using dummy regulator [ 8.577531] panel-simple panel-lcd: Specify missing connector_type [ 8.591068] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 8.614152] 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) [ 8.790635] usb 1-1: new high-speed USB device number 2 using ci_hdrc [ 8.998680] hub 1-1:1.0: USB hub found [ 9.004267] hub 1-1:1.0: 3 ports detected [ 9.033194] panel-simple panel-lcd: supply power not found, using dummy regulator [ 9.041555] panel-simple panel-lcd: Specify missing connector_type [ 9.055283] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 10.712074] fec 2188000.ethernet eth0: Link is Up - 100Mbps/Full - flow control off [ 10.730355] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready [ 10.760638] Sending DHCP requests ., OK [ 10.804764] IP-Config: Got DHCP answer from 192.168.201.1, my address is 192.168.201.13 [ 10.812996] IP-Config: Complete: [ 10.816299] device=eth0, hwaddr=00:19:b8:00:e5:47, ipaddr=192.168.201.13, mask=255.255.255.0, gw=192.168.201.1 [ 10.826962] host=imx6q-sabrelite-lava-cbg-2, domain=lava-rack, nis-domain=(none) [ 10.834963] bootserver=192.168.201.1, rootserver=192.168.201.1, rootpath= [ 10.835005] nameserver0=192.168.201.1 [ 10.910406] Freeing unused kernel memory: 2048K [ 10.921497] Run /init as init process Loading, please wait... Starting version 247.3-7+deb11u2 [ 15.379671] imx-ipuv3 2400000.ipu: IPUv3H probed [ 15.427246] panel-simple panel-lcd: supply power not found, using dummy regulator [ 15.435755] panel-simple panel-lcd: Specify missing connector_type [ 15.457404] imx-ipuv3 2800000.ipu: IPUv3H probed [ 15.503594] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 15.550613] CAN device driver interface [ 15.559040] panel-simple panel-lcd: supply power not found, using dummy regulator [ 15.568582] panel-simple panel-lcd: Specify missing connector_type [ 15.598948] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 15.642105] panel-simple panel-lcd: supply power not found, using dummy regulator [ 15.652385] panel-simple panel-lcd: Specify missing connector_type [ 15.691596] etnaviv etnaviv: bound 130000.gpu (ops gpu_ops [etnaviv]) [ 15.699849] etnaviv etnaviv: bound 134000.gpu (ops gpu_ops [etnaviv]) [ 15.710502] etnaviv etnaviv: bound 2204000.gpu (ops gpu_ops [etnaviv]) [ 15.717126] etnaviv-gpu 130000.gpu: model: GC2000, revision: 5108 [ 15.727683] etnaviv-gpu 134000.gpu: model: GC320, revision: 5007 [ 15.748203] etnaviv-gpu 2204000.gpu: model: GC355, revision: 1215 [ 15.754111] caam 2100000.crypto: Entropy delay = 3200 [ 15.754526] etnaviv-gpu 2204000.gpu: Ignoring GPU with VG and FE2.0 [ 15.795875] [drm] Initialized etnaviv 1.3.0 20151214 for etnaviv on minor 1 [ 15.820196] caam 2100000.crypto: Instantiated RNG4 SH0 [ 15.823030] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 15.878340] panel-simple panel-lcd: supply power not found, using dummy regulator [ 15.880950] caam 2100000.crypto: Instantiated RNG4 SH1 [ 15.886778] panel-simple panel-lcd: Specify missing connector_type [ 15.891119] caam 2100000.crypto: device ID = 0x0a16010000000000 (Era 4) [ 15.904007] caam 2100000.crypto: job rings = 2, qi = 0 [ 15.908098] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) [ 15.918127] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) [ 15.927075] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) [ 15.931084] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 15.936637] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) [ 15.989047] panel-simple panel-lcd: supply power not found, using dummy regulator [ 16.002361] sgtl5000 0-000a: sgtl5000 revision 0x11 [ 16.018311] usb_phy_generic usbphynop1: supply vcc not found, using dummy regulator [ 16.025870] panel-simple panel-lcd: Specify missing connector_type [ 16.027105] usb_phy_generic usbphynop1: dummy supplies not allowed for exclusive requests [ 16.041563] sgtl5000 0-000a: Using internal LDO instead of VDDD: check ER1 erratum [ 16.066599] usb_phy_generic usbphynop2: supply vcc not found, using dummy regulator [ 16.075397] usb_phy_generic usbphynop2: dummy supplies not allowed for exclusive requests [ 16.098079] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) [ 16.106764] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) [ 16.115377] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) [ 16.123886] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) [ 16.205482] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 16.282258] panel-simple panel-lcd: supply power not found, using dummy regulator [ 16.291198] panel-simple panel-lcd: Specify missing connector_type [ 16.339601] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) [ 16.348234] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) [ 16.356839] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) [ 16.365360] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) [ 17.022939] caam algorithms registered in /proc/crypto [ 17.037483] caam 2100000.crypto: registering rng-caam [ 17.050423] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 17.083337] panel-simple panel-lcd: supply power not found, using dummy regulator [ 17.091799] panel-simple panel-lcd: Specify missing connector_type [ 17.112269] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) [ 17.120909] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) [ 17.129400] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) [ 17.137880] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) [ 17.153461] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 17.191840] panel-simple panel-lcd: supply power not found, using dummy regulator [ 17.200578] panel-simple panel-lcd: Specify missing connector_type Begin: Loading essential drivers ... done. Begin: Running /scripts/init-premount ... done. Begin: Mounting[ 17.221455] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) root file system ... [ 17.226751] random: crng init done [ 17.232261] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) [ 17.245759] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) Begin: Running /scripts/nfs-top .[ 17.254456] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) .. done. Begin: Running /scripts/nfs-premount ... Waiting up to 60 secs for any ethernet to become available Device /sys/class/net/eth0 found done. IP-Config: eth0 hardware address 00:19:b8:00:e5:47 mtu 1500 DHCP IP-Config: eth0 complete (dhcp from 192.168.201.1): address: 192.168.201.13 broadcast: 192.168.201.255 netmask: 255.255.255.0 gateway: 192.168.201.1 dns0 : 192.168.201.1 dns1 : 0.0.0.0 host : imx6q-sabrelite-lava-cbg-2 domain : lava-rack rootserver: 192.168.201.1 rootpath: filename : done. Begin: Running /scripts/nfs-bottom ... done. Begin: Running /scripts/init-bottom ... done. [ 19.372514] systemd[1]: System time before build time, advancing clock. [ 19.641519] systemd[1]: systemd 247.3-7+deb11u2 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) [ 19.667644] systemd[1]: Detected architecture arm. Welcome to Debian GNU/Linux 11 (bullseye)! [ 19.737230] systemd[1]: Set hostname to . [ 21.447721] systemd[1]: Queued start job for default target Graphical Interface. [ 21.462457] systemd[1]: Created slice system-getty.slice. [ OK ] Created slice system-getty.slice. [ 21.506000] systemd[1]: Created slice system-modprobe.slice. [ OK ] Created slice system-modprobe.slice. [ 21.565290] systemd[1]: Created slice system-serial\x2dgetty.slice. [ OK ] Created slice system-serial\x2dgetty.slice. [ 21.605460] systemd[1]: Created slice User and Session Slice. [ OK ] Created slice User and Session Slice. [ 21.655089] systemd[1]: Started Dispatch Password Requests to Console Directory Watch. [ OK ] Started Dispatch Password …ts to Console Directory Watch. [ 21.704329] systemd[1]: Started Forward Password Requests to Wall Directory Watch. [ OK ] Started Forward Password R…uests to Wall Directory Watch. [ 21.752760] systemd[1]: Condition check resulted in Arbitrary Executable File Formats File System Automount Point being skipped. [ 21.765641] systemd[1]: Reached target Local Encrypted Volumes. [ OK ] Reached target Local Encrypted Volumes. [ 21.812714] systemd[1]: Reached target Paths. [ OK ] Reached target Paths. [ 21.851986] systemd[1]: Reached target Remote File Systems. [ OK ] Reached target Remote File Systems. [ 21.891131] systemd[1]: Reached target Slices. [ OK ] Reached target Slices. [ 21.932128] systemd[1]: Reached target Swap. [ OK ] Reached target Swap. [ 21.972435] systemd[1]: Listening on initctl Compatibility Named Pipe. [ OK ] Listening on initctl Compatibility Named Pipe. [ 22.069550] systemd[1]: Condition check resulted in Journal Audit Socket being skipped. [ 22.082217] systemd[1]: Listening on Journal Socket (/dev/log). [ OK ] Listening on Journal Socket (/dev/log). [ 22.137132] systemd[1]: Listening on Journal Socket. [ OK ] Listening on Journal Socket. [ 22.187580] systemd[1]: Listening on Network Service Netlink Socket. [ OK ] Listening on Network Service Netlink Socket. [ 22.241130] systemd[1]: Listening on udev Control Socket. [ OK ] Listening on udev Control Socket. [ 22.285457] systemd[1]: Listening on udev Kernel Socket. [ OK ] Listening on udev Kernel Socket. [ 22.335152] systemd[1]: Condition check resulted in Huge Pages File System being skipped. [ 22.345376] systemd[1]: Condition check resulted in POSIX Message Queue File System being skipped. [ 22.366996] systemd[1]: Mounting Kernel Debug File System... Mounting Kernel Debug File System... [ 22.413545] systemd[1]: Mounting Kernel Trace File System... Mounting Kernel Trace File System... [ 22.485523] systemd[1]: Starting Create list of static device nodes for the current kernel... Starting Create list of st…odes for the current kernel... [ 22.542436] systemd[1]: Starting Load Kernel Module configfs... Starting Load Kernel Module configfs... [ 22.602093] systemd[1]: Starting Load Kernel Module drm... Starting Load Kernel Module drm... [ 22.661857] systemd[1]: Starting Load Kernel Module fuse... Starting Load Kernel Module fuse... [ 22.729618] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped. [ 22.738283] fuse: init (API version 7.32) [ 22.762210] systemd[1]: Starting Journal Service... Starting Journal Service... [ 22.835359] systemd[1]: Starting Load Kernel Modules... Starting Load Kernel Modules... [ 22.887245] systemd[1]: Starting Remount Root and Kernel File Systems... Starting Remount Root and Kernel File Systems... [ 22.915679] systemd[1]: Starting Coldplug All udev Devices... Starting Coldplug All udev Devices... [ 22.983706] systemd[1]: Mounted Kernel Debug File System. [ OK ] Mounted Kernel Debug File System. [ 23.024192] systemd[1]: Mounted Kernel Trace File System. [ OK ] Mounted Kernel Trace File System. [ 23.081626] systemd[1]: Finished Create list of static device nodes for the current kernel. [ OK ] Finished Create list of st… nodes for the current kernel. [ 23.175650] systemd[1]: modprobe@configfs.service: Succeeded. [ 23.186606] systemd[1]: Finished Load Kernel Module configfs. [ OK ] Finished Load Kernel Module configfs. [ 23.246900] systemd[1]: modprobe@drm.service: Succeeded. [ 23.257283] systemd[1]: Finished Load Kernel Module drm. [ OK ] Finished Load Kernel Module drm. [ 23.306875] systemd[1]: modprobe@fuse.service: Succeeded. [ 23.317964] systemd[1]: Finished Load Kernel Module fuse. [ OK ] Finished Load Kernel Module fuse. [ 23.366881] systemd[1]: Finished Load Kernel Modules. [ OK ] Finished Load Kernel Modules. [ 23.406462] systemd[1]: Finished Remount Root and Kernel File Systems. [ OK ] Finished Remount Root and Kernel File Systems. [ 23.464973] systemd[1]: Mounting FUSE Control File System... Mounting FUSE Control File System... [ 23.510626] systemd[1]: Mounting Kernel Configuration File System... Mounting Kernel Configuration File System... [ 23.541271] systemd[1]: Condition check resulted in Rebuild Hardware Database being skipped. [ 23.551463] systemd[1]: Condition check resulted in Platform Persistent Storage Archival being skipped. [ 23.571867] systemd[1]: Starting Load/Save Random Seed... Starting Load/Save Random Seed... [ 23.633497] systemd[1]: Starting Apply Kernel Variables... Starting Apply Kernel Variables... [ 23.684059] systemd[1]: Starting Create System Users... Starting Create System Users... [ 23.736091] systemd[1]: Started Journal Service. [ OK ] Started Journal Service. [ OK ] Mounted FUSE Control File System. [ OK ] Mounted Kernel Configuration File System. [ OK ] Finished Load/Save Random Seed. [ OK ] Finished Apply Kernel Variables. Starting Flush Journal to Persistent Storage... [ OK ] Finished Create System Users. Starting Create Static Device Nodes in /dev... [ 24.128101] systemd-journald[278]: Received client request to flush runtime journal. [ OK ] Finished Create Static Device Nodes in /dev. [ OK ] Reached target Local File Systems (Pre). [ OK ] Reached target Local File Systems. Starting Rule-based Manage…for Device Events and Files... [ OK ] Finished Flush Journal to Persistent Storage. [ OK ] Started Rule-based Manager for Device Events and Files. Starting Network Service... Starting Create Volatile Files and Directories... [ OK ] Started Network Service. [ OK ] Finished Create Volatile Files and Directories. Starting Network Name Resolution... Starting Network Time Synchronization... Starting Update UTMP about System Boot/Shutdown... [ OK ] Finished Update UTMP about System Boot/Shutdown. [ OK ] Started Network Time Synchronization. [ OK ] Reached target System Time Set. [ OK ] Reached target System Time Synchronized. [ OK ] Finished Coldplug All udev Devices. [ OK ] Reached target System Initialization. [ OK ] Started Daily apt download activities. [ OK ] Started Daily apt upgrade and clean activities. [ OK ] Started Periodic ext4 Onli…ata Check for All Filesystems. [ OK ] Started Discard unused blocks once a week. [ OK ] Started Daily Cleanup of Temporary Directories. [ OK ] Reached target Timers. [ OK ] Listening on D-Bus System Message Bus Socket. [ OK ] Reached target Sockets. [ OK ] Reached target Basic System. [ OK ] Started D-Bus System Message Bus. Starting Remove Stale Onli…t4 Metadata Check Snapshots... Starting User Login Management... [ OK ] Started Network Name Resolution. [ OK ] Found device /dev/ttymxc1. [ OK ] Finished Remove Stale Onli…ext4 Metadata Check Snapshots. [* ] A start job is running for User Login Management (13s / 1min 39s) M [ OK ] Started User Login Management. [ OK ] Reached target Network. [ OK ] Reached target Host and Network Name Lookups. [ OK ] Reached target Hardware activated USB gadget. [ OK ] Listening on Load/Save RF …itch Status /dev/rfkill Watch. Starting Permit User Sessions... [ OK ] Finished Permit User Sessions. [ OK ] Started Getty on tty1. [ OK ] Started Serial Getty on ttymxc1. [ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Finished Update UTMP about System Runlevel Changes. Debian GNU/Linux 11 debian-bullseye-armhf ttymxc1 debian-bullseye-armhf login: root (automatic login) Linux debian-bullseye-armhf 5.10.184-cip36 #1 SMP Tue Jul 4 06:05:44 UTC 2023 armv7l The programs included with the Debian GNU/Linux system are free software; the exact distribution terms for each program are described in the individual files in /usr/share/doc/*/copyright. Debian GNU/Linux comes with ABSOLUTELY NO WARRANTY, to the extent permitted by applicable law. / # / # export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/11005312/extract-nfsrootfs-pyjxk7se' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/11005312/extract-nfsrootfs-pyjxk7se' / # export NFS_SERVER_IP='192.168.201.1' export NFS_SERVER_IP='192.168.201.1' / # # # / # export SHELL=/bin/bash export SHELL=/bin/bash / # . /lava-11005312/environment . /lava-11005312/environment / # /lava-11005312/bin/lava-test-runner /lava-11005312/0 /lava-11005312/bin/lava-test-runner /lava-11005312/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-11005312/0/tests/0_timesync-off ++ cat uuid + UUID=11005312_1.6.2.4.1 + set +x + systemctl stop systemd-timesyncd + set +x + export TESTRUN_ID=1_kselftest-lkdtm + TESTRUN_ID=1_kselftest-lkdtm + cd /lava-11005312/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=11005312_1.6.2.4.5 + set +x + cd ./automated/linux/kselftest/ + ./kselftest.sh -c lkdtm -T '' -t kselftest_armhf.tar.gz -s True -u http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.184-cip36-10-ga711f789c23e1/arm/multi_v7_defconfig+kselftest/gcc-10/kselftest.tar.xz -L '' -S /dev/null -b imx6q-sabrelite -g cip-gitlab -e '' -p /opt/kselftests/mainline/ -n 1 -i 1 INFO: install_deps skipped --2023-07-04 06:26:35-- http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.184-cip36-10-ga711f789c23e1/arm/multi_v7_defconfig+kselftest/gcc-10/kselftest.tar.xz Resolving storage.kernelci.org (storage.kernelci.org)... 20.171.243.82 Connecting to storage.kernelci.org (storage.kernelci.org)|20.171.243.82|:80... connected. HTTP request sent, awaiting response... 200 OK Length: 1411532 (1.3M) [application/octet-stream] Saving to: 'kselftest.tar.xz' kselftest.tar.xz 0%[ ] 0 --.-KB/s kselftest.tar.xz 3%[ ] 44.98K 171KB/s kselftest.tar.xz 15%[==> ] 217.50K 411KB/s kselftest.tar.xz 57%[==========> ] 788.78K 992KB/s kselftest.tar.xz 95%[==================> ] 1.29M 1.28MB/s kselftest.tar.xz 100%[===================>] 1.35M 1.26MB/s in 1.1s 2023-07-04 06:26:36 (1.26 MB/s) - 'kselftest.tar.xz' saved [1411532/1411532] skiplist: ======================================== ======================================== lkdtm:PANIC.sh lkdtm:BUG.sh lkdtm:WARNING.sh lkdtm:WARNING_MESSAGE.sh lkdtm:EXCEPTION.sh lkdtm:LOOP.sh lkdtm:EXHAUST_STACK.sh lkdtm:CORRUPT_STACK.sh lkdtm:CORRUPT_STACK_STRONG.sh lkdtm:CORRUPT_LIST_ADD.sh lkdtm:CORRUPT_LIST_DEL.sh lkdtm:STACK_GUARD_PAGE_LEADING.sh lkdtm:STACK_GUARD_PAGE_TRAILING.sh lkdtm:UNSET_SMEP.sh lkdtm:DOUBLE_FAULT.sh lkdtm:CORRUPT_PAC.sh lkdtm:UNALIGNED_LOAD_STORE_WRITE.sh lkdtm:OVERWRITE_ALLOCATION.sh lkdtm:WRITE_AFTER_FREE.sh lkdtm:READ_AFTER_FREE.sh lkdtm:WRITE_BUDDY_AFTER_FREE.sh lkdtm:READ_BUDDY_AFTER_FREE.sh lkdtm:SLAB_FREE_DOUBLE.sh lkdtm:SLAB_FREE_CROSS.sh lkdtm:SLAB_FREE_PAGE.sh lkdtm:SOFTLOCKUP.sh lkdtm:HARDLOCKUP.sh lkdtm:SPINLOCKUP.sh lkdtm:HUNG_TASK.sh lkdtm:EXEC_DATA.sh lkdtm:EXEC_STACK.sh lkdtm:EXEC_KMALLOC.sh lkdtm:EXEC_VMALLOC.sh lkdtm:EXEC_RODATA.sh lkdtm:EXEC_USERSPACE.sh lkdtm:EXEC_NULL.sh lkdtm:ACCESS_USERSPACE.sh lkdtm:ACCESS_NULL.sh lkdtm:WRITE_RO.sh lkdtm:WRITE_RO_AFTER_INIT.sh lkdtm:WRITE_KERN.sh lkdtm:REFCOUNT_INC_OVERFLOW.sh lkdtm:REFCOUNT_ADD_OVERFLOW.sh lkdtm:REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_DEC_ZERO.sh lkdtm:REFCOUNT_DEC_NEGATIVE.sh lkdtm:REFCOUNT_DEC_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_SUB_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_INC_ZERO.sh lkdtm:REFCOUNT_ADD_ZERO.sh lkdtm:REFCOUNT_INC_SATURATED.sh lkdtm:REFCOUNT_DEC_SATURATED.sh lkdtm:REFCOUNT_ADD_SATURATED.sh lkdtm:REFCOUNT_INC_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_DEC_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_SUB_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_TIMING.sh lkdtm:ATOMIC_TIMING.sh lkdtm:USERCOPY_HEAP_SIZE_TO.sh lkdtm:USERCOPY_HEAP_SIZE_FROM.sh lkdtm:USERCOPY_HEAP_WHITELIST_TO.sh lkdtm:USERCOPY_HEAP_WHITELIST_FROM.sh lkdtm:USERCOPY_STACK_FRAME_TO.sh lkdtm:USERCOPY_STACK_FRAME_FROM.sh lkdtm:USERCOPY_STACK_BEYOND.sh lkdtm:USERCOPY_KERNEL.sh lkdtm:STACKLEAK_ERASING.sh lkdtm:CFI_FORWARD_PROTO.sh ============== Tests to run =============== lkdtm:PANIC.sh lkdtm:BUG.sh lkdtm:WARNING.sh lkdtm:WARNING_MESSAGE.sh lkdtm:EXCEPTION.sh lkdtm:LOOP.sh lkdtm:EXHAUST_STACK.sh lkdtm:CORRUPT_STACK.sh lkdtm:CORRUPT_STACK_STRONG.sh lkdtm:CORRUPT_LIST_ADD.sh lkdtm:CORRUPT_LIST_DEL.sh lkdtm:STACK_GUARD_PAGE_LEADING.sh lkdtm:STACK_GUARD_PAGE_TRAILING.sh lkdtm:UNSET_SMEP.sh lkdtm:DOUBLE_FAULT.sh lkdtm:CORRUPT_PAC.sh lkdtm:UNALIGNED_LOAD_STORE_WRITE.sh lkdtm:OVERWRITE_ALLOCATION.sh lkdtm:WRITE_AFTER_FREE.sh lkdtm:READ_AFTER_FREE.sh lkdtm:WRITE_BUDDY_AFTER_FREE.sh lkdtm:READ_BUDDY_AFTER_FREE.sh lkdtm:SLAB_FREE_DOUBLE.sh lkdtm:SLAB_FREE_CROSS.sh lkdtm:SLAB_FREE_PAGE.sh lkdtm:SOFTLOCKUP.sh lkdtm:HARDLOCKUP.sh lkdtm:SPINLOCKUP.sh lkdtm:HUNG_TASK.sh lkdtm:EXEC_DATA.sh lkdtm:EXEC_STACK.sh lkdtm:EXEC_KMALLOC.sh lkdtm:EXEC_VMALLOC.sh lkdtm:EXEC_RODATA.sh lkdtm:EXEC_USERSPACE.sh lkdtm:EXEC_NULL.sh lkdtm:ACCESS_USERSPACE.sh lkdtm:ACCESS_NULL.sh lkdtm:WRITE_RO.sh lkdtm:WRITE_RO_AFTER_INIT.sh lkdtm:WRITE_KERN.sh lkdtm:REFCOUNT_INC_OVERFLOW.sh lkdtm:REFCOUNT_ADD_OVERFLOW.sh lkdtm:REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_DEC_ZERO.sh lkdtm:REFCOUNT_DEC_NEGATIVE.sh lkdtm:REFCOUNT_DEC_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_SUB_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_INC_ZERO.sh lkdtm:REFCOUNT_ADD_ZERO.sh lkdtm:REFCOUNT_INC_SATURATED.sh lkdtm:REFCOUNT_DEC_SATURATED.sh lkdtm:REFCOUNT_ADD_SATURATED.sh lkdtm:REFCOUNT_INC_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_DEC_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_SUB_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_TIMING.sh lkdtm:ATOMIC_TIMING.sh lkdtm:USERCOPY_HEAP_SIZE_TO.sh lkdtm:USERCOPY_HEAP_SIZE_FROM.sh lkdtm:USERCOPY_HEAP_WHITELIST_TO.sh lkdtm:USERCOPY_HEAP_WHITELIST_FROM.sh lkdtm:USERCOPY_STACK_FRAME_TO.sh lkdtm:USERCOPY_STACK_FRAME_FROM.sh lkdtm:USERCOPY_STACK_BEYOND.sh lkdtm:USERCOPY_KERNEL.sh lkdtm:STACKLEAK_ERASING.sh lkdtm:CFI_FORWARD_PROTO.sh ===========End Tests to run =============== [ 61.632418] 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 [ 62.729667] lkdtm: Performing direct entry BUG [ 62.734536] ------------[ cut here ]------------ [ 62.739167] kernel BUG at drivers/misc/lkdtm/bugs.c:76! [ 62.744401] Internal error: Oops - BUG: 0 [#1] SMP ARM [ 62.749550] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display imx_ldb imxdrm etnaviv gpu_sched imx_ipu_v3 [ 62.778632] CPU: 2 PID: 700 Comm: cat Not tainted 5.10.184-cip36 #1 [ 62.784907] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 62.791452] PC is at lkdtm_BUG+0x14/0x18 [ 62.795387] LR is at lkdtm_do_action+0x2c/0x4c [ 62.799840] pc : [] lr : [] psr: a00e0013 [ 62.806114] sp : c5cc3e58 ip : c5cc3e68 fp : c5cc3e64 [ 62.811345] r10: 00000004 r9 : c1ace9f8 r8 : c15ead50 [ 62.816577] r7 : c5cc3f60 r6 : 00000004 r5 : c6dc1000 r4 : 00000001 [ 62.823113] r3 : c0c53e88 r2 : 0d74ec29 r1 : ef7ab5e0 r0 : c15ead58 [ 62.829650] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 62.836793] Control: 10c5387d Table: 16f3004a DAC: 00000051 [ 62.842548] Process cat (pid: 700, stack limit = 0x97a6f058) [ 62.848216] Stack: (0xc5cc3e58 to 0xc5cc4000) [ 62.852584] 3e40: c5cc3e74 c5cc3e68 [ 62.860773] 3e60: c0c5391c c0c53e94 c5cc3e9c c5cc3e78 c0c53e1c c0c538fc c0c53cfc c6e27a40 [ 62.868962] 3e80: b6e1b000 00000004 c30e7780 c5cc3f60 c5cc3ec4 c5cc3ea0 c07e066c c0c53d08 [ 62.877151] 3ea0: 00000000 c6e27a40 b6e1b000 c2815800 c5cc3f60 c07e0608 c5cc3f5c c5cc3ec8 [ 62.885339] 3ec0: c059acf0 c07e0614 00000001 00000000 c059b29c c139ca10 c059b29c c5cc2000 [ 62.893528] 3ee0: b6e1b000 00020000 00000004 00000004 0001fffc c5cc3ee0 00000001 b6e1a000 [ 62.901717] 3f00: c59a1e00 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 62.909906] 3f20: 00000000 00000000 c139ca10 0d74ec29 c205e380 c6e27a40 c6e27a40 c5cc2000 [ 62.918094] 3f40: b6e1b000 00000000 00000000 00000004 c5cc3f94 c5cc3f60 c059b29c c059abf0 [ 62.926283] 3f60: 00000000 00000000 c5cc3fac 0d74ec29 00000004 00000004 b6f62e00 00000004 [ 62.934471] 3f80: c03002e4 c5cc2000 c5cc3fa4 c5cc3f98 c059b32c c059b234 00000000 c5cc3fa8 [ 62.942658] 3fa0: c03000c0 c059b320 00000004 00000004 00000001 b6e1b000 00000004 00000000 [ 62.950847] 3fc0: 00000004 00000004 b6f62e00 00000004 00000001 00000000 00020000 bedccac4 [ 62.959035] 3fe0: 00000004 bedcc7f8 b6eccd8f b6e537e6 800e0030 00000001 00000000 00000000 [ 62.967217] Backtrace: [ 62.969685] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) [ 62.977268] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 62.985290] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 62.993221] r9:c5cc3f60 r8:c30e7780 r7:00000004 r6:b6e1b000 r5:c6e27a40 r4:c0c53cfc [ 63.000983] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 63.008825] r9:c07e0608 r8:c5cc3f60 r7:c2815800 r6:b6e1b000 r5:c6e27a40 r4:00000000 [ 63.016581] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 63.023729] r10:00000004 r9:00000000 r8:00000000 r7:b6e1b000 r6:c5cc2000 r5:c6e27a40 [ 63.031565] r4:c6e27a40 [ 63.034111] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 63.041258] r9:c5cc2000 r8:c03002e4 r7:00000004 r6:b6f62e00 r5:00000004 r4:00000004 [ 63.049018] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 63.056594] Exception stack(0xc5cc3fa8 to 0xc5cc3ff0) [ 63.061657] 3fa0: 00000004 00000004 00000001 b6e1b000 00000004 00000000 [ 63.069847] 3fc0: 00000004 00000004 b6f62e00 00000004 00000001 00000000 00020000 bedccac4 [ 63.078033] 3fe0: 00000004 bedcc7f8 b6eccd8f b6e537e6 [ 63.083097] Code: e92dd800 e24cb004 e52de004 e8bd4000 (e7f001f2) [ 63.089204] ---[ end trace 10039795b0cb1a47 ]--- [ 63.093834] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 63.102715] in_atomic(): 0, irqs_disabled(): 128, non_block: 0, pid: 700, name: cat [ 63.110376] INFO: lockdep is turned off. [ 63.114305] irq event stamp: 1578 [ 63.117639] hardirqs last enabled at (1577): [] console_unlock+0x4b0/0x6c0 [ 63.125481] hardirqs last disabled at (1578): [] __und_svc+0x60/0x6c [ 63.132716] softirqs last enabled at (1574): [] __do_softirq+0x36c/0x5a0 [ 63.140385] softirqs last disabled at (1563): [] __irq_exit_rcu+0x178/0x1d0 [ 63.148225] CPU: 2 PID: 700 Comm: cat Tainted: G D 5.10.184-cip36 #1 [ 63.155888] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 63.162421] Backtrace: [ 63.164893] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 63.172474] r7:ffffffff r6:600e0093 r5:00000000 r4:c1f0fcb8 [ 63.178151] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 63.185481] [] (dump_stack) from [] (___might_sleep+0x188/0x2e0) [ 63.193238] r9:600e0093 r8:0000000b r7:c035c4c4 r6:00000031 r5:c19caf00 r4:c5cc2000 [ 63.200994] [] (___might_sleep) from [] (__might_sleep+0x70/0xb0) [ 63.208833] r6:00000000 r5:00000031 r4:c19caf00 [ 63.213469] [] (__might_sleep) from [] (exit_signals+0x4c/0x420) [ 63.221221] r6:00000001 r5:c5cc2000 r4:c6e3a880 [ 63.225858] [] (exit_signals) from [] (do_exit+0x100/0xafc) [ 63.233176] r8:0000000b r7:c1e0f84c r6:ffffe000 r5:00000000 r4:c6e3a880 [ 63.239893] [] (do_exit) from [] (make_task_dead+0x68/0x74) [ 63.247208] r7:c1e0f84c [ 63.249759] [] (make_task_dead) from [] (die+0x370/0x37c) [ 63.256905] [] (die) from [] (do_undefinstr+0x170/0x240) [ 63.263964] r10:00000004 r9:c5cc2000 r8:c15ead50 r7:00000000 r6:c5cc3dc8 r5:c0c53e9c [ 63.271799] r4:e7f001f2 [ 63.274346] [] (do_undefinstr) from [] (__und_svc_finish+0x0/0x54) [ 63.282269] Exception stack(0xc5cc3dc8 to 0xc5cc3e10) [ 63.287333] 3dc0: c15ead58 ef7ab5e0 0d74ec29 c0c53e88 00000001 c6dc1000 [ 63.295522] 3de0: 00000004 c5cc3f60 c15ead50 c1ace9f8 00000004 c5cc3e64 c5cc3e68 c5cc3e58 [ 63.303709] 3e00: c0c5391c c0c53e9c a00e0013 ffffffff [ 63.308771] r7:c5cc3dfc r6:ffffffff r5:a00e0013 r4:c0c53ea0 [ 63.314445] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) [ 63.322026] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 63.330045] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 63.337973] r9:c5cc3f60 r8:c30e7780 r7:00000004 r6:b6e1b000 r5:c6e27a40 r4:c0c53cfc [ 63.345730] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 63.353572] r9:c07e0608 r8:c5cc3f60 r7:c2815800 r6:b6e1b000 r5:c6e27a40 r4:00000000 [ 63.361328] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 63.368475] r10:00000004 r9:00000000 r8:00000000 r7:b6e1b000 r6:c5cc2000 r5:c6e27a40 [ 63.376309] r4:c6e27a40 [ 63.378856] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 63.386002] r9:c5cc2000 r8:c03002e4 r7:00000004 r6:b6f62e00 r5:00000004 r4:00000004 [ 63.393757] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 63.401332] Exception stack(0xc5cc3fa8 to 0xc5cc3ff0) [ 63.406394] 3fa0: 00000004 00000004 00000001 b6e1b000 00000004 00000000 [ 63.414582] 3fc0: 00000004 00000004 b6f62e00 00000004 00000001 00000000 00020000 bedccac4 [ 63.422767] 3fe0: 00000004 bedcc7f8 b6eccd8f b6e537e6 # Segmentation fault # [ 62.729667] lkdtm: Performing direct entry BUG # [ 62.734536] ------------[ cut here ]------------ # [ 62.739167] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 62.744401] Internal error: Oops - BUG: 0 [#1] SMP ARM # [ 62.749550] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display imx_ldb imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 62.778632] CPU: 2 PID: 700 Comm: cat Not tainted 5.10.184-cip36 #1 # [ 62.784907] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 62.791452] PC is at lkdtm_BUG+0x14/0x18 # [ 62.795387] LR is at lkdtm_do_action+0x2c/0x4c # [ 62.799840] pc : [] lr : [] psr: a00e0013 # [ 62.806114] sp : c5cc3e58 ip : c5cc3e68 fp : c5cc3e64 # [ 62.811345] r10: 00000004 r9 : c1ace9f8 r8 : c15ead50 # [ 62.816577] r7 : c5cc3f60 r6 : 00000004 r5 : c6dc1000 r4 : 00000001 # [ 62.823113] r3 : c0c53e88 r2 : 0d74ec29 r1 : ef7ab5e0 r0 : c15ead58 # [ 62.829650] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 62.836793] Control: 10c5387d Table: 16f3004a DAC: 00000051 # [ 62.842548] Process cat (pid: 700, stack limit = 0x97a6f058) # [ 62.848216] Stack: (0xc5cc3e58 to 0xc5cc4000) # [ 62.852584] 3e40: c5cc3e74 c5cc3e68 # [ 62.860773] 3e60: c0c5391c c0c53e94 c5cc3e9c c5cc3e78 c0c53e1c c0c538fc c0c53cfc c6e27a40 # [ 62.868962] 3e80: b6e1b000 00000004 c30e7780 c5cc3f60 c5cc3ec4 c5cc3ea0 c07e066c c0c53d08 # [ 62.877151] 3ea0: 00000000 c6e27a40 b6e1b000 c2815800 c5cc3f60 c07e0608 c5cc3f5c c5cc3ec8 # [ 62.885339] 3ec0: c059acf0 c07e0614 00000001 00000000 c059b29c c139ca10 c059b29c c5cc2000 # [ 62.893528] 3ee0: b6e1b000 00020000 00000004 00000004 0001fffc c5cc3ee0 00000001 b6e1a000 # [ 62.901717] 3f00: c59a1e00 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 62.909906] 3f20: 00000000 00000000 c139ca10 0d74ec29 c205e380 c6e27a40 c6e27a40 c5cc2000 # [ 62.918094] 3f40: b6e1b000 00000000 00000000 00000004 c5cc3f94 c5cc3f60 c059b29c c059abf0 # [ 62.926283] 3f60: 00000000 00000000 c5cc3fac 0d74ec29 00000004 00000004 b6f62e00 00000004 # [ 62.934471] 3f80: c03002e4 c5cc2000 c5cc3fa4 c5cc3f98 c059b32c c059b234 00000000 c5cc3fa8 # [ 62.942658] 3fa0: c03000c0 c059b320 00000004 00000004 00000001 b6e1b000 00000004 00000000 # [ 62.950847] 3fc0: 00000004 00000004 b6f62e00 00000004 00000001 00000000 00020000 bedccac4 # [ 62.959035] 3fe0: 00000004 bedcc7f8 b6eccd8f b6e537e6 800e0030 00000001 00000000 00000000 # [ 62.967217] Backtrace: # [ 62.969685] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) # [ 62.977268] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 62.985290] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 62.993221] r9:c5cc3f60 r8:c30e7780 r7:00000004 r6:b6e1b000 r5:c6e27a40 r4:c0c53cfc # [ 63.000983] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 63.008825] r9:c07e0608 r8:c5cc3f60 r7:c2815800 r6:b6e1b000 r5:c6e27a40 r4:00000000 # [ 63.016581] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 63.023729] r10:00000004 r9:00000000 r8:00000000 r7:b6e1b000 r6:c5cc2000 r5:c6e27a40 # [ 63.031565] r4:c6e27a40 # [ 63.034111] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 63.041258] r9:c5cc2000 r8:c03002e4 r7:00000004 r6:b6f62e00 r5:00000004 r4:00000004 # [ 63.049018] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 63.056594] Exception stack(0xc5cc3fa8 to 0xc5cc3ff0) # [ 63.061657] 3fa0: 00000004 00000004 00000001 b6e1b000 00000004 00000000 # [ 63.069847] 3fc0: 00000004 00000004 b6f62e00 00000004 00000001 00000000 00020000 bedccac4 # [ 63.078033] 3fe0: 00000004 bedcc7f8 b6eccd8f b6e537e6 # [ 63.083097] Code: e92dd800 e24cb004 e52de004 e8bd4000 (e7f001f2) # [ 63.089204] ---[ end trace 10039795b0cb1a47 ]--- # [ 63.093834] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 63.102715] in_atomic(): 0, irqs_disabled(): 128, non_block: 0, pid: 700, name: cat # [ 63.110376] INFO: lockdep is turned off. # [ 63.114305] irq event stamp: 1578 # [ 63.117639] hardirqs last enabled at (1577): [] console_unlock+0x4b0/0x6c0 # [ 63.125481] hardirqs last disabled at (1578): [] __und_svc+0x60/0x6c # [ 63.132716] softirqs last enabled at (1574): [] __do_softirq+0x36c/0x5a0 # [ 63.140385] softirqs last disabled at (1563): [] __irq_exit_rcu+0x178/0x1d0 # [ 63.148225] CPU: 2 PID: 700 Comm: cat Tainted: G D 5.10.184-cip36 #1 # [ 63.155888] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 63.162421] Backtrace: # [ 63.164893] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 63.172474] r7:ffffffff r6:600e0093 r5:00000000 r4:c1f0fcb8 # [ 63.178151] [] (show_stack) from [] (dump_stack+0xe0/0x1[ 63.982645] lkdtm: Performing direct entry WARNING 00) # [ 63.185481] [[ 63.987966] ------------[ cut here ]------------ ] (dump_stack) from [] [ 63.995527] WARNING: CPU: 1 PID: 771 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x48/0x4c (___might_sleep+0x188/0x2e0) # [[ 64.006808] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display imx_ldb imxdrm etnaviv gpu_sched imx_ipu_v3 63.193238] r9:600e0093 r8:000[ 64.038495] CPU: 1 PID: 771 Comm: cat Tainted: G D W 5.10.184-cip36 #1 0000b r7:c035c4c4 r6:00000031 r5:[ 64.048963] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) c19caf00 r4:c5cc2000 # [ 63.20[ 64.058355] Backtrace: 0994] [] (___might_slee[ 64.063680] [] (dump_backtrace) from [] (show_stack+0x20/0x24) p) from [] (__might_sle[ 64.074101] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 ep+0x70/0xb0) # [ 63.208833] [ 64.082627] [] (show_stack) from [] (dump_stack+0xe0/0x100) r6:00000000 r5:00000031 r4:c19caf[ 64.092801] [] (dump_stack) from [] (__warn+0x98/0x14c) 00 # [ 63.213469] [][ 64.102618] r9:00000009 r8:c0c53ee8 r7:00000053 r6:00000009 r5:c0c53ee8 r4:c1acf0b4 (__might_sleep) from [[ 64.113226] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) ] (exit_signals+0x4c/0x420) # [ [ 64.123565] r7:00000053 r6:c1acf0b4 r5:00000000 r4:c6904000 63.221221] r6:00000001 r5:c5cc[ 64.132092] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING+0x48/0x4c) 2000 r4:c6e3a880 # [ 63.225858[ 64.143040] r9:c1ace9fc r8:c15ead50 r7:c6905f60 r6:00000008 r5:c6d7c000 r4:00000002 ] [] (exit_signals) fro[ 64.153647] [] (lkdtm_WARNING) from [] (lkdtm_do_action+0x2c/0x4c) m [] (do_exit+0x100/0xa[ 64.164425] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) fc) # [ 63.233176] r8:0000000[ 64.175294] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) b r7:c1e0f84c r6:ffffe000 r5:0000[ 64.186066] r9:c6905f60 r8:c30e7780 r7:00000008 r6:b6e70000 r5:c5b23540 r4:c0c53cfc 0000 r4:c6e3a880 # [ 63.239893[ 64.196678] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) ] [] (do_exit) from [] (make_task_dead+0x68/0x[ 64.217968] [] (vfs_write) from [] (ksys_write+0x74/0xec) 74) # [ 63.247208] r7:c1e0f84[ 64.227964] r10:00000004 r9:00000000 r8:00000000 r7:b6e70000 r6:c6904000 r5:c5b23540 c # [ 63.249759] [] [ 64.238649] r4:c5b23540 (make_task_dead) from [[ 64.244054] [] (ksys_write) from [] (sys_write+0x18/0x1c) ] (die+0x370/0x37c) # [ 63.256[ 64.254048] r9:c6904000 r8:c03002e4 r7:00000004 r6:b6fb7e00 r5:00000008 r4:00000008 905] [] (die) from [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) 30ead8>] (do_undefinstr+0x170/0x2[ 64.275080] Exception stack(0xc6905fa8 to 0xc6905ff0) 40) # [ 63.263964] r10:000000[ 64.282998] 5fa0: 00000008 00000008 00000001 b6e70000 00000008 00000000 04 r9:c5cc2000 r8:c15ead50 r7:000[ 64.294039] 5fc0: 00000008 00000008 b6fb7e00 00000004 00000001 00000000 00020000 beffcac4 00000 r6:c5cc3dc8 r5:c0c53e9c # [ 64.305074] 5fe0: 00000004 beffc7f8 b6f21d8f b6ea87e6 [ 63.271799] r4:e7f001f2 # [ [ 64.313090] irq event stamp: 0 63.274346] [] (do_und[ 64.318933] hardirqs last enabled at (0): [<00000000>] 0x0 efinstr) from [] (__und[ 64.327401] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 _svc_finish+0x0/0x54) # [ 63.2[ 64.337739] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 82269] Exception stack(0xc5cc3dc8[ 64.348078] softirqs last disabled at (0): [<00000000>] 0x0 to 0xc5cc3e10) # [ 63.287333][ 64.356528] ---[ end trace 10039795b0cb1a48 ]--- 3dc0: c15ead58 ef7ab5e0 0d74ec29 c0c53e88 00000001 c6dc1000 # [ 63.295522] 3de0: 00000004 c5cc3f60 c15ead50 c1ace9f8 00000004 c5cc3e64 c5cc3e68 c5cc3e58 # [ 63.303709] 3e00: c0c5391c c0c53e9c a00e0013 ffffffff # [ 63.308771] r7:c5cc3dfc r6:ffffffff r5:a00e0013 r4:c0c53ea0 # [ 63.314445] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) # [ 63.322026] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 63.330045] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 63.337973] r9:c5cc3f60 r8:c30e7780 r7:00000004 r6:b6e1b000 r5:c6e27a40 r4:c0c53cfc # [ 63.345730] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 63.353572] r9:c07e0608 r8:c5cc3f60 r7:c2815800 r6:b6e1b000 r5:c6e27a40 r4:00000000 # [ 63.361328] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 63.368475] r10:00000004 r9:00000000 r8:00000000 r7:b6e1b000 r6:c5cc2000 r5:c6e27a40 # [ 63.376309] r4:c6e27a40 # [ 63.378856] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 63.386002] r9:c5cc2000 r8:c03002e4 r7:00000004 r6:b6f62e00 r5:00000004 r4:00000004 # [ 63.393757] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 63.401332] Exception stack(0xc5cc3fa8 to 0xc5cc3ff0) # [ 63.406394] 3fa0: 00000004 00000004 00000001 b6e1b000 00000004 00000000 # [ 63.414582] 3fc0: 00000004 00000004 b6f62e00 00000004 00000001 00000000 00020000 bedccac4 # [ 63.422767] 3fe0: 00000004 bedcc7f8 b6eccd8f b6e537e6 # BUG: saw 'kernel BUG at': ok ok 2 selftests: lkdtm: BUG.sh # selftests: lkdtm: WARNING.sh # [ 63.982645] lkdtm: Performing direct entry WARNING # [ 63.987966] ------------[ cut here ]------------ # [ 63.995527] WARNING: CPU: 1 PID: 771 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x48/0x4c # [ 64.006808] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display imx_ldb imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 64.038495] CPU: 1 PID: 771 Comm: cat Tainted: G D W 5.10.184-cip36 #1 # [ 64.048963] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 64.058355] Backtrace: # [ 64.063680] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 64.074101] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 # [ 64.082627] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 64.092801] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 64.102618] r9:00000009 r8:c0c53ee8 r7:00000053 r6:00000009 r5:c0c53ee8 r4:c1acf0b4 # [ 64.113226] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 64.123565] r7:00000053 r6:c1acf0b4 r5:00000000 r4:c6904000 # [ 64.132092] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING+0x48/0x4c) # [ 64.143040] r9:c1ace9fc r8:c15ead50 r7:c6905f60 r6:00000008 r5:c6d7c000 r4:00000002 # [ 64.153647] [] (lkdtm_WARNING) from [] (lkdtm_do_action+0x2c/0x4c) # [ 64.164425] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 64.175294] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 64.186066] r9:c6905f60 r8:c30e7780 r7:00000008 r6:b6e70000 r5:c5b23540 r4:c0c53cfc # [ 64.196678] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 64.207364] r9:c07e0608 r8:c6905f60 r7:c2815800 r6:b6e70000 r5:c5b23540 r4:00000000 # [ 64.217968] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 64.227964] r10:00000004 r9:00000000 r8:00000000 r7:b6e70000 r6:c6904000 r5:c5b23540 # [ 64.238649] r4:c5b23540 # [ 64.244054] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 64.254048] r9:c6904000 r8:c03002e4 r7:00000004 r6:b6fb7e00 r5:00000008 r4:00000008 # [ 64.264659] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 64.275080] Exception stack(0xc6905fa8 to 0xc6905ff0) # [ 64.282998] 5fa0: 00000008 00000008 00000001 b6e70000 00000008 00000000 # [ 64.294039] 5fc0: 00000008 00000008 b6fb7e00 00000004 00000001 00000000 00020000 beffcac4 # [ 64.305074] 5fe0: 00000004 beffc7f8 b6f21d8f b6ea87e6 # [ 64.313090] irq event stamp: 0 # [ 64.318933] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 64.32740[ 64.768978] lkdtm: Performing direct entry WARNING_MESSAGE 1] hardirqs last disabled at (0):[ 64.776013] ------------[ cut here ]------------ [] copy_process+0x5f8/[ 64.783518] WARNING: CPU: 2 PID: 806 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x4c/0x54 0x1944 # [ 64.337739] softirqs[ 64.795497] Warning message trigger count: 2 last enabled at (0): [] copy_process+0x5f8/0x1944 # [[ 64.834352] CPU: 2 PID: 806 Comm: cat Tainted: G D W 5.10.184-cip36 #1 64.348078] softirqs last disab[ 64.844784] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) led at (0): [<00000000>] 0x0 # [[ 64.854173] Backtrace: 64.356528] ---[ end trace 1003[ 64.859499] [] (dump_backtrace) from [] (show_stack+0x20/0x24) 9795b0cb1a48 ]--- # WARNING: saw[ 64.869919] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 'WARNING:': ok ok 3 selftests: [ 64.878445] [] (show_stack) from [] (dump_stack+0xe0/0x100) lkdtm: WARNING.sh # selftests: l[ 64.888618] [] (dump_stack) from [] (__warn+0x98/0x14c) kdtm: WARNING_MESSAGE.sh [ 64.898437] r9:00000009 r8:c0c53f38 r7:00000058 r6:00000009 r5:c0c53f38 r4:c1acf0b4 [ 64.908433] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 64.915926] r7:00000058 r6:c1acf0b4 r5:c1acf0d0 r4:c5d26000 [ 64.921601] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING_MESSAGE+0x4c/0x54) [ 64.930400] r9:c1acea04 r8:c15ead50 r7:c5d27f60 r6:00000010 r5:c6dc1000 r4:00000003 [ 64.938156] [] (lkdtm_WARNING_MESSAGE) from [] (lkdtm_do_action+0x2c/0x4c) [ 64.946781] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 64.954804] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 64.962735] r9:c5d27f60 r8:c30e7780 r7:00000010 r6:b6e19000 r5:c6ac5a40 r4:c0c53cfc [ 64.970498] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 64.978339] r9:c07e0608 r8:c5d27f60 r7:c2815800 r6:b6e19000 r5:c6ac5a40 r4:00000000 [ 64.986096] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 64.993244] r10:00000004 r9:00000000 r8:00000000 r7:b6e19000 r6:c5d26000 r5:c6ac5a40 [ 65.001079] r4:c6ac5a40 [ 65.003626] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 65.010774] r9:c5d26000 r8:c03002e4 r7:00000004 r6:b6f60e00 r5:00000010 r4:00000010 [ 65.018534] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 65.026112] Exception stack(0xc5d27fa8 to 0xc5d27ff0) [ 65.031175] 7fa0: 00000010 00000010 00000001 b6e19000 00000010 00000000 [ 65.039365] 7fc0: 00000010 00000010 b6f60e00 00000004 00000001 00000000 00020000 be85cac4 [ 65.047550] 7fe0: 00000004 be85c7f8 b6ecad8f b6e517e6 [ 65.052690] irq event stamp: 0 [ 65.055767] hardirqs last enabled at (0): [<00000000>] 0x0 [ 65.061392] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 [ 65.068895] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 [ 65.076428] softirqs last disabled at (0): [<00000000>] 0x0 [ 65.082061] ---[ end trace 10039795b0cb1a49 ]--- # [ 64.768978] lkdtm: Performing direct entry WARNING_MESSAGE # [ 64.776013] ------------[ cut here ]------------ # [ 64.783518] WARNING: CPU: 2 PID: 806 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x4c/0x54 # [ 64.795497] Warning message trigger count: 2 # [ 64.802595] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display imx_ldb imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 64.834352] CPU: 2 PID: 806 Comm: cat Tainted: G D W 5.10.184-cip36 #1 # [ 64.844784] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 64.854173] Backtrace: # [ 64.859499] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 64.869919] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 # [ 64.878445] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 64.888618] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 64.898437] r9:00000009 r8:c0c53f38 r7:00000058 r6:00000009 r5:c0c53f38 r4:c1acf0b4 # [ 64.908433] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 64.915926] r7:00000058 r6:c1acf0b4 r5:c1acf0d0 r4:c5d26000 # [ 64.921601] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING_MESSAGE+0x4c/0x54) # [ 64.930400] r9:c1acea04 r8:c15ead50 r7:c5d27f60 r6:00000010 r5:c6dc1000 r4:00000003 # [ 64.938156] [] (lkdtm_WARNING_MESSAGE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 64.946781] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 64.954804] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 64.962735] r9:c5d27f60 r8:c30e7780 r7:00000010 r6:b6e19000 r5:c6ac5a40 r4:c0c53cfc # [ 64.970498] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 64.978339] r9:c07e0608 r8:c5d27f60 r7:c2815800 r6:b6e19000 r5:c6ac5a40 r4:00000000 # [ 64.986096] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 64.993244] r10:00000004 r9:00000000 r8:00000000 r7:b6e19000 r6:c5d26000 r5:c6ac5a40 # [ 65.001079] r4:c6ac5a40 # [ 65.003626] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 65.010774] r9:c5d26000 r8:c03002e4 r7:00000004 r6:b6f60e00 r5:00000010 r4:00000010 # [ 65.018534] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 65.026112] Exception stack(0xc5d27fa8 to 0xc5d27ff0) # [ 65.031175] 7fa0: 00000010 00000010 00000001 b6e19000 00000010 00000000 # [ 65.039365] 7fc0: 00000010 00000010 b6f60e00 00000004 00000001 00000000 00020000 be85cac4 # [ 65.047550] 7fe0: 00000004 be85c7f8 b6ecad8f b6e517e6 # [ 65.052690] irq event stamp: 0 # [ 65.055767] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 65.061392] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 # [ 65.068895] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 # [ 65.076428] softirqs last disabled at (0): [<00000000>] 0x0 # [ 65.082061] ---[ end trace 10039795b0cb1a49 ]--- # WARNING_MESSAGE: saw 'message trigger': ok ok 4 selftests: lkdtm: WARNING_MESSAGE.sh # selftests: lkdtm: EXCEPTION.sh [ 65.482984] lkdtm: Performing direct entry EXCEPTION [ 65.488015] 8<--- cut here --- [ 65.491278] Unable to handle kernel NULL pointer dereference at virtual address 00000000 [ 65.499418] pgd = 1ff95244 [ 65.502310] [00000000] *pgd=00000000 [ 65.505960] Internal error: Oops: 805 [#2] SMP ARM [ 65.510766] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display imx_ldb imxdrm etnaviv gpu_sched imx_ipu_v3 [ 65.539829] CPU: 2 PID: 838 Comm: cat Tainted: G D W 5.10.184-cip36 #1 [ 65.547494] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 65.554043] PC is at lkdtm_EXCEPTION+0x18/0x20 [ 65.558497] LR is at lkdtm_do_action+0x2c/0x4c [ 65.562950] pc : [] lr : [] psr: a00e0013 [ 65.569225] sp : c5cc3e58 ip : c5cc3e68 fp : c5cc3e64 [ 65.574455] r10: 0000000a r9 : c1acea14 r8 : c15ead50 [ 65.579690] r7 : c5cc3f60 r6 : 0000000a r5 : c6c07000 r4 : 00000004 [ 65.586227] r3 : 00000000 r2 : d26ded71 r1 : ef7ab5e0 r0 : c15ead70 [ 65.592763] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 65.599907] Control: 10c5387d Table: 16d9404a DAC: 00000051 [ 65.605663] Process cat (pid: 838, stack limit = 0x97a6f058) [ 65.611331] Stack: (0xc5cc3e58 to 0xc5cc4000) [ 65.615700] 3e40: c5cc3e74 c5cc3e68 [ 65.623889] 3e60: c0c5391c c0c53f4c c5cc3e9c c5cc3e78 c0c53e1c c0c538fc c0c53cfc c5b22a00 [ 65.632079] 3e80: b6df6000 0000000a c30e7780 c5cc3f60 c5cc3ec4 c5cc3ea0 c07e066c c0c53d08 [ 65.640269] 3ea0: 00000000 c5b22a00 b6df6000 c2815800 c5cc3f60 c07e0608 c5cc3f5c c5cc3ec8 [ 65.648458] 3ec0: c059acf0 c07e0614 00000001 00000000 c059b29c c2d6d924 c059b29c c5cc2000 [ 65.656646] 3ee0: b6df6000 00020000 00000004 0000000a 0001fff6 c5cc3ee0 00000001 00000805 [ 65.664833] 3f00: c59a1180 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 65.673022] 3f20: 00000000 00000000 c5cc2000 d26ded71 b6df5000 c5b22a00 c5b22a00 c5cc2000 [ 65.681213] 3f40: b6df6000 00000000 00000000 00000004 c5cc3f94 c5cc3f60 c059b29c c059abf0 [ 65.689402] 3f60: 00000000 00000000 c5cc3fac d26ded71 0000000a 0000000a b6f3de00 00000004 [ 65.697591] 3f80: c03002e4 c5cc2000 c5cc3fa4 c5cc3f98 c059b32c c059b234 00000000 c5cc3fa8 [ 65.705779] 3fa0: c03000c0 c059b320 0000000a 0000000a 00000001 b6df6000 0000000a 00000000 [ 65.713968] 3fc0: 0000000a 0000000a b6f3de00 00000004 00000001 00000000 00020000 bef6aac4 [ 65.722156] 3fe0: 00000004 bef6a7f8 b6ea7d8f b6e2e7e6 800e0030 00000001 00000000 00000000 [ 65.730338] Backtrace: [ 65.732808] [] (lkdtm_EXCEPTION) from [] (lkdtm_do_action+0x2c/0x4c) [ 65.740914] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 65.748936] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 65.756871] r9:c5cc3f60 r8:c30e7780 r7:0000000a r6:b6df6000 r5:c5b22a00 r4:c0c53cfc [ 65.764633] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 65.772475] r9:c07e0608 r8:c5cc3f60 r7:c2815800 r6:b6df6000 r5:c5b22a00 r4:00000000 [ 65.780232] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 65.787379] r10:00000004 r9:00000000 r8:00000000 r7:b6df6000 r6:c5cc2000 r5:c5b22a00 [ 65.795214] r4:c5b22a00 [ 65.797763] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 65.804911] r9:c5cc2000 r8:c03002e4 r7:00000004 r6:b6f3de00 r5:0000000a r4:0000000a [ 65.812672] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 65.820249] Exception stack(0xc5cc3fa8 to 0xc5cc3ff0) [ 65.825311] 3fa0: 0000000a 0000000a 00000001 b6df6000 0000000a 00000000 [ 65.833499] 3fc0: 0000000a 0000000a b6f3de00 00000004 00000001 00000000 00020000 bef6aac4 [ 65.841685] 3fe0: 00000004 bef6a7f8 b6ea7d8f b6e2e7e6 [ 65.846749] Code: e24cb004 e52de004 e8bd4000 e3a03000 (e5833000) [ 65.852940] ---[ end trace 10039795b0cb1a4a ]--- # Segmentation fault # [ 65.482984] lkdtm: Performing direct entry EXCEPTION # [ 65.488015] 8<--- cut here --- # [ 65.491278] Unable to handle kernel NULL pointer dereference at virtual address 00000000 # [ 65.499418] pgd = 1ff95244 # [ 65.502310] [00000000] *pgd=00000000 # [ 65.505960] Internal error: Oops: 805 [#2] SMP ARM # [ 65.510766] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display imx_ldb imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 65.539829] CPU: 2 PID: 838 Comm: cat Tainted: G D W 5.10.184-cip36 #1 # [ 65.547494] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 65.554043] PC is at lkdtm_EXCEPTION+0x18/0x20 # [ 65.558497] LR is at lkdtm_do_action+0x2c/0x4c # [ 65.562950] pc : [] lr : [] psr: a00e0013 # [ 65.569225] sp : c5cc3e58 ip : c5cc3e68 fp : c5cc3e64 # [ 65.574455] r10: 0000000a r9 : c1acea14 r8 : c15ead50 # [ 65.579690] r7 : c5cc3f60 r6 : 0000000a r5 : c6c07000 r4 : 00000004 # [ 65.586227] r3 : 00000000 r2 : d26ded71 r1 : ef7ab5e0 r0 : c15ead70 # [ 65.592763] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 65.599907] Control: 10c5387d Table: 16d9404a DAC: 00000051 # [ 65.605663] Process cat (pid: 838, stack limit = 0x97a6f058) # [ 65.611331] Stack: (0xc5cc3e58 to 0xc5cc4000) # [ 65.615700] 3e40: c5cc3e74 c5cc3e68 # [ 65.623889] 3e60: c0c5391c c0c53f4c c5cc3e9c c5cc3e78 c0c53e1c c0c538fc c0c53cfc c5b22a00 # [ 65.632079] 3e80: b6df6000 0000000a c30e7780 c5cc3f60 c5cc3ec4 c5cc3ea0 c07e066c c0c53d08 # [ 65.640269] 3ea0: 00000000 c5b22a00 b6df6000 c2815800 c5cc3f60 c07e0608 c5cc3f5c c5cc3ec8 # [ 65.648458] 3ec0: c059acf0 c07e0614 00000001 00000000 c059b29c c2d6d924 c059b29c c5cc2000 # [ 65.656646] 3ee0: b6df6000 00020000 00000004 0000000a 0001fff6 c5cc3ee0 00000001 00000805 # [ 65.664833] 3f00: c59a1180 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 65.673022] 3f20: 00000000 00000000 c5cc2000 d26ded71 b6df5000 c5b22a00 c5b22a00 c5cc2000 # [ 65.681213] 3f40: b6df6000 00000000 00000000 00000004 c5cc3f94 c5cc3f60 c059b29c c059abf0 # [ 65.689402] 3f60: 00000000 00000000 c5cc3fac d26ded71 0000000a 0000000a b6f3de00 00000004 # [ 65.697591] 3f80: c03002e4 c5cc2000 c5cc3fa4 c5cc3f98 c059b32c c059b234 00000000 c5cc3fa8 # [ 65.705779] 3fa0: c03000c0 c059b320 0000000a 0000000a 00000001 b6df6000 0000000a 00000000 # [ 65.713968] 3fc0: 0000000a 0000000a b6f3de00 00000004 00000001 00000000 00020000 bef6aac4 # [ 65.722156] 3fe0: 00000004 bef6a7f8 b6ea7d8f b6e2e7e6 800e0030 00000001 00000000 00000000 # [ 65.730338] Backtrace: # [ 65.732808] [] (lkdtm_EXCEPTION) from [] (lkdtm_do_action+0x2c/0x4c) # [ 65.740914] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 65.748936] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 65.756871] r9:c5cc3f60 r8:c30e7780 r7:0000000a r6:b6df6000 r5:c5b22a00 r4:c0c53cfc # [ 65.764633] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 65.772475] r9:c07e0608 r8:c5cc3f60 r7:c2815800 r6:b6df6000 r5:c5b22a00 r4:00000000 # [ 65.780232] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 65.787379] r10:00000004 r9:00000000 r8:00000000 r7:b6df6000 r6:c5cc2000 r5:c5b22a00 # [ 65.795214] r4:c5b22a00 # [ 65.797763] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 65.804911] r9:c5cc2000 r8:c03002e4 r7:00000004 r6:b6f3de00 r5:0000000a r4:0000000a # [ 65.812672] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 65.820249] Exception stack(0xc5cc3fa8 to 0xc5cc3ff0) # [ 65.825311] 3fa0: 0000000a 0000000a 00000001 b6df6000 0000000a 00000000 # [ 65.833499] 3fc0: 0000000a 0000000a b6f3de00 00000004 00000001 00000000 00020000 bef6aac4 # [ 65.841685] 3fe0: 00000004 bef6a7f8 b6ea7d8f b6e2e7e6 # [ 65.846749] Code: e24cb004 e52de004 e8bd4000 e3a03000 (e5833000) # [ 65.852940] ---[ end trace 10039795b0cb1a4a ]--- # 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 [ 67.239745] lkdtm: Performing direct entry CORRUPT_LIST_ADD [ 67.245392] lkdtm: attempting good list addition [ 67.250025] lkdtm: attempting corrupted list addition [ 67.255178] lkdtm: list_add() corruption not detected! # [ 67.239745] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 67.245392] lkdtm: attempting good list addition # [ 67.250025] lkdtm: attempting corrupted list addition # [ 67.255178] 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 [ 67.680492] lkdtm: Performing direct entry CORRUPT_LIST_DEL [ 67.686089] lkdtm: attempting good list removal [ 67.690714] lkdtm: attempting corrupted list removal [ 67.695695] lkdtm: list_del() corruption not detected! # [ 67.680492] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 67.686089] lkdtm: attempting good list removal # [ 67.690714] lkdtm: attempting corrupted list removal # [ 67.695695] 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 [ 68.108272] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING [ 68.114720] lkdtm: attempting bad read from page below current stack [ 68.121171] lkdtm: FAIL: accessed page before stack! (byte: 0) # [ 68.108272] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 68.114720] lkdtm: attempting bad read from page below current stack # [ 68.121171] 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 [ 68.516332] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING [ 68.522781] lkdtm: attempting bad read from page above current stack [ 68.529151] lkdtm: FAIL: accessed page after stack! (byte: 61) # [ 68.516332] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING # [ 68.522781] lkdtm: attempting bad read from page above current stack # [ 68.529151] lkdtm: FAIL: accessed page after stack! (byte: 61) # 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 [ 68.932686] lkdtm: Performing direct entry UNSET_SMEP [ 68.937764] lkdtm: XFAIL: this test is x86_64-only # [ 68.932686] lkdtm: Performing direct entry UNSET_SMEP # [ 68.937764] 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 [ 69.339468] lkdtm: Performing direct entry DOUBLE_FAULT [ 69.344898] lkdtm: XFAIL: this test is ia32-only # [ 69.339468] lkdtm: Performing direct entry DOUBLE_FAULT # [ 69.344898] 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 [ 69.731724] lkdtm: Performing direct entry CORRUPT_PAC [ 69.736914] lkdtm: XFAIL: this test is arm64-only # [ 69.731724] lkdtm: Performing direct entry CORRUPT_PAC # [ 69.736914] 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 [ 70.147894] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE [ 70.154499] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS # [ 70.147894] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # [ 70.154499] 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 [ 71.000437] lkdtm: Performing direct entry READ_AFTER_FREE [ 71.005952] lkdtm: Value in memory before free: 12345678 [ 71.011343] lkdtm: Attempting bad read from freed memory [ 71.016671] lkdtm: Memory was not poisoned # [ 71.000437] lkdtm: Performing direct entry READ_AFTER_FREE # [ 71.005952] lkdtm: Value in memory before free: 12345678 # [ 71.011343] lkdtm: Attempting bad read from freed memory # [ 71.016671] 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 [ 71.645347] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE [ 71.651460] lkdtm: Value in memory before free: 12345678 [ 71.656789] lkdtm: Attempting to read from freed memory [ 71.662078] lkdtm: Buddy page was not poisoned # [ 71.645347] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE # [ 71.651460] lkdtm: Value in memory before free: 12345678 # [ 71.656789] lkdtm: Attempting to read from freed memory # [ 71.662078] 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 [ 72.077883] lkdtm: Performing direct entry SLAB_FREE_DOUBLE [ 72.083576] lkdtm: Attempting double slab free ... # [ 72.077883] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 72.083576] 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 [ 72.493469] lkdtm: Performing direct entry SLAB_FREE_CROSS [ 72.498993] lkdtm: Attempting cross-cache slab free ... # [ 72.493469] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 72.498993] 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 [ 72.907535] lkdtm: Performing direct entry SLAB_FREE_PAGE [ 72.913028] lkdtm: Attempting non-Slab slab free ... # [ 72.907535] lkdtm: Performing direct entry SLAB_FREE_PAGE # [ 72.913028] 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 [ 74.199126] lkdtm: Performing direct entry EXEC_DATA [ 74.204203] lkdtm: attempting ok execution at c0c5468c [ 74.209359] lkdtm: attempting bad execution at c26f8924 [ 74.214659] 8<--- cut here --- [ 74.217727] Unable to handle kernel paging request at virtual address c26f8924 [ 74.224961] pgd = 8a6f5301 [ 74.227678] [c26f8924] *pgd=1261141e(bad) [ 74.231713] Internal error: Oops: 8000000d [#3] SMP ARM [ 74.236948] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display imx_ldb imxdrm etnaviv gpu_sched imx_ipu_v3 [ 74.266030] CPU: 3 PID: 1681 Comm: cat Tainted: G D W 5.10.184-cip36 #1 [ 74.273781] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 74.280325] PC is at data_area+0x0/0x40 [ 74.284179] LR is at execute_location+0xa4/0xb4 [ 74.288718] pc : [] lr : [] psr: 600e0013 [ 74.294995] sp : c5d27e38 ip : c5d27d40 fp : c5d27e54 [ 74.300226] r10: 0000000a r9 : c1acebf8 r8 : c15ead50 [ 74.305457] r7 : c5d27f60 r6 : 00000001 r5 : c26f8924 r4 : c0c5468c [ 74.311992] r3 : 9a19d63e r2 : 9a19d63e r1 : ef7c05e0 r0 : 0000002b [ 74.318528] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 74.325672] Control: 10c5387d Table: 16c0004a DAC: 00000051 [ 74.331426] Process cat (pid: 1681, stack limit = 0x646d7fe8) [ 74.337184] Stack: (0xc5d27e38 to 0xc5d28000) [ 74.341551] 7e20: 0000001f c599e000 [ 74.349743] 7e40: 0000000a c5d27f60 c5d27e64 c5d27e58 c13876c4 c13874c0 c5d27e74 c5d27e68 [ 74.357931] 7e60: c0c5391c c13876ac c5d27e9c c5d27e78 c0c53e1c c0c538fc c0c53cfc c6a92780 [ 74.366119] 7e80: b6e27000 0000000a c30e7780 c5d27f60 c5d27ec4 c5d27ea0 c07e066c c0c53d08 [ 74.374308] 7ea0: 00000000 c6a92780 b6e27000 c2815800 c5d27f60 c07e0608 c5d27f5c c5d27ec8 [ 74.382499] 7ec0: c059acf0 c07e0614 00000001 00000000 c059b29c c139ca10 c059b29c c5d26000 [ 74.390688] 7ee0: b6e27000 00020000 00000004 0000000a 0001fff6 c5d27ee0 00000001 b6e26000 [ 74.398877] 7f00: c59a1680 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 74.407065] 7f20: 00000000 00000000 c139ca10 9a19d63e c205e380 c6a92780 c6a92780 c5d26000 [ 74.415253] 7f40: b6e27000 00000000 00000000 00000004 c5d27f94 c5d27f60 c059b29c c059abf0 [ 74.423443] 7f60: 00000000 00000000 c5d27fac 9a19d63e 0000000a 0000000a b6f6ee00 00000004 [ 74.431630] 7f80: c03002e4 c5d26000 c5d27fa4 c5d27f98 c059b32c c059b234 00000000 c5d27fa8 [ 74.439818] 7fa0: c03000c0 c059b320 0000000a 0000000a 00000001 b6e27000 0000000a 00000000 [ 74.448010] 7fc0: 0000000a 0000000a b6f6ee00 00000004 00000001 00000000 00020000 be84fac4 [ 74.456197] 7fe0: 00000004 be84f7f8 b6ed8d8f b6e5f7e6 800e0030 00000001 00000000 00000000 [ 74.464379] Backtrace: [ 74.466851] [] (execute_location) from [] (lkdtm_EXEC_DATA+0x24/0x28) [ 74.475042] r7:c5d27f60 r6:0000000a r5:c599e000 r4:0000001f [ 74.480718] [] (lkdtm_EXEC_DATA) from [] (lkdtm_do_action+0x2c/0x4c) [ 74.488822] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 74.496844] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 74.504773] r9:c5d27f60 r8:c30e7780 r7:0000000a r6:b6e27000 r5:c6a92780 r4:c0c53cfc [ 74.512533] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 74.520375] r9:c07e0608 r8:c5d27f60 r7:c2815800 r6:b6e27000 r5:c6a92780 r4:00000000 [ 74.528131] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 74.535279] r10:00000004 r9:00000000 r8:00000000 r7:b6e27000 r6:c5d26000 r5:c6a92780 [ 74.543115] r4:c6a92780 [ 74.545661] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 74.552810] r9:c5d26000 r8:c03002e4 r7:00000004 r6:b6f6ee00 r5:0000000a r4:0000000a [ 74.560569] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 74.568147] Exception stack(0xc5d27fa8 to 0xc5d27ff0) [ 74.573210] 7fa0: 0000000a 0000000a 00000001 b6e27000 0000000a 00000000 [ 74.581400] 7fc0: 0000000a 0000000a b6f6ee00 00000004 00000001 00000000 00020000 be84fac4 [ 74.589586] 7fe0: 00000004 be84f7f8 b6ed8d8f b6e5f7e6 [ 74.594649] Code: 00000000 c430e0c0 c430e180 c430e240 (e1a0c00d) [ 74.600757] ---[ end trace 10039795b0cb1a4b ]--- # Segmentation fault # [ 74.199126] lkdtm: Performing direct entry EXEC_DATA # [ 74.204203] lkdtm: attempting ok execution at c0c5468c # [ 74.209359] lkdtm: attempting bad execution at c26f8924 # [ 74.214659] 8<--- cut here --- # [ 74.217727] Unable to handle kernel paging request at virtual address c26f8924 # [ 74.224961] pgd = 8a6f5301 # [ 74.227678] [c26f8924] *pgd=1261141e(bad) # [ 74.231713] Internal error: Oops: 8000000d [#3] SMP ARM # [ 74.236948] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display imx_ldb imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 74.266030] CPU: 3 PID: 1681 Comm: cat Tainted: G D W 5.10.184-cip36 #1 # [ 74.273781] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 74.280325] PC is at data_area+0x0/0x40 # [ 74.284179] LR is at execute_location+0xa4/0xb4 # [ 74.288718] pc : [] lr : [] psr: 600e0013 # [ 74.294995] sp : c5d27e38 ip : c5d27d40 fp : c5d27e54 # [ 74.300226] r10: 0000000a r9 : c1acebf8 r8 : c15ead50 # [ 74.305457] r7 : c5d27f60 r6 : 00000001 r5 : c26f8924 r4 : c0c5468c # [ 74.311992] r3 : 9a19d63e r2 : 9a19d63e r1 : ef7c05e0 r0 : 0000002b # [ 74.318528] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 74.325672] Control: 10c5387d Table: 16c0004a DAC: 00000051 # [ 74.331426] Process cat (pid: 1681, stack limit = 0x646d7fe8) # [ 74.337184] Stack: (0xc5d27e38 to 0xc5d28000) # [ 74.341551] 7e20: 0000001f c599e000 # [ 74.349743] 7e40: 0000000a c5d27f60 c5d27e64 c5d27e58 c13876c4 c13874c0 c5d27e74 c5d27e68 # [ 74.357931] 7e60: c0c5391c c13876ac c5d27e9c c5d27e78 c0c53e1c c0c538fc c0c53cfc c6a92780 # [ 74.366119] 7e80: b6e27000 0000000a c30e7780 c5d27f60 c5d27ec4 c5d27ea0 c07e066c c0c53d08 # [ 74.374308] 7ea0: 00000000 c6a92780 b6e27000 c2815800 c5d27f60 c07e0608 c5d27f5c c5d27ec8 # [ 74.382499] 7ec0: c059acf0 c07e0614 00000001 00000000 c059b29c c139ca10 c059b29c c5d26000 # [ 74.390688] 7ee0: b6e27000 00020000 00000004 0000000a 0001fff6 c5d27ee0 00000001 b6e26000 # [ 74.398877] 7f00: c59a1680 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 74.407065] 7f20: 00000000 00000000 c139ca10 9a19d63e c205e380 c6a92780 c6a92780 c5d26000 # [ 74.415253] 7f40: b6e27000 00000000 00000000 00000004 c5d27f94 c5d27f60 c059b29c c059abf0 # [ 74.423443] 7f60: 00000000 00000000 c5d27fac 9a19d63e 0000000a 0000000a b6f6ee00 00000004 # [ 74.431630] 7f80: c03002e4 c5d26000 c5d27fa4 c5d27f98 c059b32c c059b234 00000000 c5d27fa8 # [ 74.439818] 7fa0: c03000c0 c059b320 0000000a 0000000a 00000001 b6e27000 0000000a 00000000 # [ 74.448010] 7fc0: 0000000a 0000000a b6f6ee00 00000004 00000001 00000000 00020000 be84fac4 # [ 74.456197] 7fe0: 00000004 be84f7f8 b6ed8d8f b6e5f7e6 800e0030 00000001 00000000 00000000 # [ 74.464379] Backtrace: # [ 74.466851] [] (execute_location) from [] (lkdtm_EXEC_DATA+0x24/0x28) # [ 74.475042] r7:c5d27f60 r6:0000000a r5:c599e000 r4:0000001f # [ 74.480718] [] (lkdtm_EXEC_DATA) from [] (lkdtm_do_action+0x2c/0x4c) # [ 74.488822] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 74.496844] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 74.504773] r9:c5d27f60 r8:c30e7780 r7:0000000a r6:b6e27000 r5:c6a92780 r4:c0c53cfc # [ 74.512533] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 74.520375] r9:c07e0608 r8:c5d27f60 r7:c2815800 r6:b6e27000 r5:c6a92780 r4:00000000 # [ 74.528131] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 74.535279] r10:00000004 r9:00000000 r8:00000000 r7:b6e27000 r6:c5d26000 r5:c6a92780 # [ 74.543115] r4:c6a92780 # [ 74.545661] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 74.552810] r9:c5d26000 r8:c03002e4 r7:00000004 r6:b6f6ee00 r5:0000000a r4:0000000a # [ 74.560569] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 74.568147] Exception stack(0xc5d27fa8 to 0xc5d27ff0) # [ 74.573210] 7fa0: 0000000a 0000000a 00000001 b6e27000 0000000a 00000000 # [ 74.581400] 7fc0: 0000000a 0[ 75.115465] lkdtm: Performing direct entry EXEC_STACK 000000a b6f6ee00 00000004 0000000[ 75.123097] lkdtm: attempting ok execution at c0c5468c 1 00000000 00020000 be84fac4 # [[ 75.131107] lkdtm: attempting bad execution at c6de7e0c 74.589586] 7fe0: 0000[0 0 0 475.139137] 8<--- cut here --- be84f7f8 b6ed8d8f [b 6 e 57f57.e144614] Unable to handle kernel paging request at virtual address c6de7e0c # [ 74.59[4 6 4 97]5 .C1o5d4e07] pgd = 7f8f3873 : 00000000 c430e0c0 c430e180 c430[ 75.158623] [c6de7e0c] *pgd=16c1141e(bad) e240 (e1a0c00d) # [ [ 7 4 .76.165503] Internal error: Oops: 8000000d [#4] SMP ARM 00757] ---[ end trace 10039795b0c[ 75.173065] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display imx_ldb imxdrm etnaviv gpu_sched imx_ipu_v3 b1a4b ]--- # EXEC_DATA:[ m i s75.204769] CPU: 2 PID: 1757 Comm: cat Tainted: G D W 5.10.184-cip36 #1 ing 'call tra[c e : '7:5 .[2F1A4I33] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) L] not ok 30 selfte[s t s :7 5l.223373] PC is at 0xc6de7e0c dtm: EXEC_DATA.sh # exit=1 # se[ 75.228777] LR is at execute_location+0xa4/0xb4 ftests: lkdtm:[ E X E7C5_.S2T3A6072] pc : [] lr : [] psr: 600e0013 K.sh [ 75.244332] sp : c6de7de8 ip : 00000027 fp : c6de7e04 [ 75.250075] r10: 0000000b r9 : c1acec04 r8 : c15ead50 [ 75.255307] r7 : c6de7f60 r6 : 00000001 r5 : c6de7e0c r4 : c0c5468c [ 75.261841] r3 : 6361d9e4 r2 : 6361d9e4 r1 : ef7ab5e4 r0 : 0000002b [ 75.268378] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 75.275522] Control: 10c5387d Table: 1686804a DAC: 00000051 [ 75.281278] Process cat (pid: 1757, stack limit = 0x8bea7d3b) [ 75.287033] Stack: (0xc6de7de8 to 0xc6de8000) [ 75.291404] 7de0: c6de6000 c5a1a000 0000000b c6de7f60 c6de7e64 c6de7e08 [ 75.299593] 7e00: c1387700 c13874c0 c6de7e6c e1a0c00d e92dd800 e24cb004 e52de004 e8bd4000 [ 75.307783] 7e20: e89da800 e1a0c00d e92dd830 e24cb004 e52de004 e8bd4000 e30f3374 e34c31b7 [ 75.315972] 7e40: e3a02040 e3a01d33 e5930018 6361d9e4 0000000b 00000020 c6de7e74 c6de7e68 [ 75.324160] 7e60: c0c5391c c13876d4 c6de7e9c c6de7e78 c0c53e1c c0c538fc c0c53cfc c6a788c0 [ 75.332349] 7e80: b6e17000 0000000b c30e7780 c6de7f60 c6de7ec4 c6de7ea0 c07e066c c0c53d08 [ 75.340537] 7ea0: 00000000 c6a788c0 b6e17000 c2815800 c6de7f60 c07e0608 c6de7f5c c6de7ec8 [ 75.348727] 7ec0: c059acf0 c07e0614 00000001 00000000 c059b29c c139ca10 c059b29c c6de6000 [ 75.356916] 7ee0: b6e17000 00020000 00000004 0000000b 0001fff5 c6de7ee0 00000001 b6e16000 [ 75.365104] 7f00: c5977680 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 75.373293] 7f20: 00000000 00000000 c139ca10 6361d9e4 c205e380 c6a788c0 c6a788c0 c6de6000 [ 75.381483] 7f40: b6e17000 00000000 00000000 00000004 c6de7f94 c6de7f60 c059b29c c059abf0 [ 75.389672] 7f60: 00000000 00000000 c6de7fac 6361d9e4 0000000b 0000000b b6f5ee00 00000004 [ 75.397861] 7f80: c03002e4 c6de6000 c6de7fa4 c6de7f98 c059b32c c059b234 00000000 c6de7fa8 [ 75.406049] 7fa0: c03000c0 c059b320 0000000b 0000000b 00000001 b6e17000 0000000b 00000000 [ 75.414239] 7fc0: 0000000b 0000000b b6f5ee00 00000004 00000001 00000000 00020000 bea52ac4 [ 75.422428] 7fe0: 00000004 bea527f8 b6ec8d8f b6e4f7e6 800e0030 00000001 00000000 00000000 [ 75.430610] Backtrace: [ 75.433084] [] (execute_location) from [] (lkdtm_EXEC_STACK+0x38/0x54) [ 75.441362] r7:c6de7f60 r6:0000000b r5:c5a1a000 r4:c6de6000 [ 75.447039] [] (lkdtm_EXEC_STACK) from [] (lkdtm_do_action+0x2c/0x4c) [ 75.455224] r4:00000020 [ 75.457771] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 75.465794] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 75.473724] r9:c6de7f60 r8:c30e7780 r7:0000000b r6:b6e17000 r5:c6a788c0 r4:c0c53cfc [ 75.481487] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 75.489329] r9:c07e0608 r8:c6de7f60 r7:c2815800 r6:b6e17000 r5:c6a788c0 r4:00000000 [ 75.497085] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 75.504231] r10:00000004 r9:00000000 r8:00000000 r7:b6e17000 r6:c6de6000 r5:c6a788c0 [ 75.512066] r4:c6a788c0 [ 75.514613] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 75.521760] r9:c6de6000 r8:c03002e4 r7:00000004 r6:b6f5ee00 r5:0000000b r4:0000000b [ 75.529519] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 75.537097] Exception stack(0xc6de7fa8 to 0xc6de7ff0) [ 75.542159] 7fa0: 0000000b 0000000b 00000001 b6e17000 0000000b 00000000 [ 75.550349] 7fc0: 0000000b 0000000b b6f5ee00 00000004 00000001 00000000 00020000 bea52ac4 [ 75.558538] 7fe0: 00000004 bea527f8 b6ec8d8f b6e4f7e6 [ 75.563601] Code: c6de7e08 c1387700 c13874c0 c6de7e6c (e1a0c00d) [ 75.569708] ---[ end trace 10039795b0cb1a4c ]--- # Segmentation fault # [ 75.115465] lkdtm: Performing direct entry EXEC_STACK # [ 75.123097] lkdtm: attempting ok execution at c0c5468c # [ 75.131107] lkdtm: attempting bad execution at c6de7e0c # [ 75.139137] 8<--- cut here --- # [ 75.144614] Unable to handle kernel paging request at virtual address c6de7e0c # [ 75.154007] pgd = 7f8f3873 # [ 75.158623] [c6de7e0c] *pgd=16c1141e(bad) # [ 75.165503] Internal error: Oops: 8000000d [#4] SMP ARM # [ 75.173065] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display imx_ldb imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 75.204769] CPU: 2 PID: 1757 Comm: cat Tainted: G D W 5.10.184-cip36 #1 # [ 75.214933] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 75.223373] PC is at 0xc6de7e0c # [ 75.228777] LR is at execute_location+0xa4/0xb4 # [ 75.236072] pc : [] lr : [] psr: 600e0013 # [ 75.244332] sp : c6de7de8 ip : 00000027 fp : c6de7e04 # [ 75.250075] r10: 0000000b r9 : c1acec04 r8 : c15ead50 # [ 75.255307] r7 : c6de7f60 r6 : 00000001 r5 : c6de7e0c r4 : c0c5468c # [ 75.261841] r3 : 6361d9e4 r2 : 6361d9e4 r1 : ef7ab5e4 r0 : 0000002b # [ 75.268378] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 75.275522] Control: 10c5387d Table: 1686804a DAC: 00000051 # [ 75.281278] Process cat (pid: 1757, stack limit = 0x8bea7d3b) # [ 75.287033] Stack: (0xc6de7de8 to 0xc6de8000) # [ 75.291404] 7de0: c6de6000 c5a1a000 0000000b c6de7f60 c6de7e64 c6de7e08 # [ 75.299593] 7e00: c1387700 c13874c0 c6de7e6c e1a0c00d e92dd800 e24cb004 e52de004 e8bd4000 # [ 75.307783] 7e20: e89da800 e1a0c00d e92dd830 e24cb004 e52de004 e8bd4000 e30f3374 e34c31b7 # [ 75.315972] 7e40: e3a02040 e3a01d33 e5930018 6361d9e4 0000000b 00000020 c6de7e74 c6de7e68 # [ 75.324160] 7e60: c0c5391c c13876d4 c6de7e9c c6de7e78 c0c53e1c c0c538fc c0c53cfc c6a788c0 # [ 75.332349] 7e80: b6e17000 0000000b c30e7780 c6de7f60 c6de7ec4 c6de7ea0 c07e066c c0c53d08 # [ 75.340537] 7ea0: 00000000 c6a788c0 b6e17000 c2815800 c6de7f60 c07e0608 c6de7f5c c6de7ec8 # [ 75.348727] 7ec0: c059acf0 c07e0614 00000001 00000000 c059b29c c139ca10 c059b29c c6de6000 # [ 75.356916] 7ee0: b6e17000 00020000 00000004 0000000b 0001fff5 c6de7ee0 00000001 b6e16000 # [ 75.365104] 7f00: c5977680 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 75.373293] 7f20: 00000000 00000000 c139ca10 6361d9e4 c205e380 c6a788c0 c6a788c0 c6de6000 # [ 75.381483] 7f40: b6e17000 00000000 00000000 00000004 c6de7f94 c6de7f60 c059b29c c059abf0 # [ 75.389672] 7f60: 00000000 00000000 c6de7fac 6361d9e4 0000000b 0000000b b6f5ee00 00000004 # [ 75.397861] 7f80: c03002e4 c6de6000 c6de7fa4 c6de7f98 c059b32c c059b234 00000000 c6de7fa8 # [ 75.406049] 7fa0: c03000c0 c059b320 0000000b 0000000b 00000001 b6e17000 0000000b 00000000 # [ 75.414239] 7fc0: 0000000b 0000000b b6f5ee00 00000004 00000001 00000000 00020000 bea52ac4 # [ 75.422428] 7fe0: 00000004 bea527f8 b6ec8d8f b6e4f7e6 800e0030 00000001 00000000 00000000 # [ 75.430610] Backtrace: # [ 75.433084] [] (execute_location) from [] (lkdtm_EXEC_STACK+0x38/0x54) # [ 75.441362] r7:c6de7f60 r6:0000000b r5:c5a1a000 r4:c6de6000 # [ 75.447039] [] (lkdtm_EXEC_STACK) from [] (lkdtm_do_action+0x2c/0x4c) # [ 75.455224] r4:00000020 # [ 75.457771] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 75.465794] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 75.473724] r9:c6de7f60 r8:c30e7780 r7:0000000b r6:b6e17000 r5:c6a788c0 r4:c0c53cfc # [ 75.481487] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 75.489329] r9:c07e0608 r8:c6de7f60 r7:c2815800 r6:b6e17000 r5:c6a788c0 r4:00000000 # [ 75.497085] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 75.504231] r10:00000004 r9:00000000 r8:00000000 r7:b6e17000 r6:c6de6000 r5:c6a788c0 # [ 75.512066] r4:c6a788c0 # [ 75.514613] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 75.521760] r9:c6de6000 r8:c03002e4 r7:00000004 r6:b6f5ee00 r5:0000000b r4:0000000b # [ 75.529519] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 75.537097] Exception stack(0xc6de7fa8 to 0xc6de7ff0) # [ 75.542159] 7fa0: 0000000b 0000000b 00000001 b6e17000 0000000b 00000000 # [ 75.550349] 7fc0: 0000000b 0000000b[ 76.097337] lkdtm: Performing direct entry EXEC_KMALLOC b6f5ee00 00000004 00000001 00000[ 76.104926] lkdtm: attempting ok execution at c0c5468c 000 00020000 bea52ac4 # [ 75.5[ 76.112943] lkdtm: attempting bad execution at c4740580 58538] 7fe0: 00000004 bea527f8 b6[ 76.120980] 8<--- cut here --- ec8d8f b6e4f7e6 #[ [ 7 6 .7156809] Unable to handle kernel paging request at virtual address c4740580 .563601] Code[: c 67d6e.71e306812] pgd = ac86e960 c1387700 c13874c0 c6de7e6c (e[1 76.140729] [c4740580] *pgd=1461141e(bad) 0c00d) # [ 75.56970[8 ] -7-.147435] Internal error: Oops: 8000000d [#5] SMP ARM -[ end trace 10039795b0cb1a4c ]--[ 76.154998] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display imx_ldb imxdrm etnaviv gpu_sched imx_ipu_v3 - # EXEC_STACK: missing[ ' c a76.186702] CPU: 1 PID: 1836 Comm: cat Tainted: G D W 5.10.184-cip36 #1 l trace:': [F[A I L ]7 6 .n1o9t6 67] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) ok 31 selftests: lkd[t m : 7E6X.205307] PC is at 0xc4740580 C_STACK.sh # exit=1 # selftests: 76.210715] LR is at execute_location+0xa4/0xb4 lkdtm: EXEC_KMALL[O C . s7h6 .2 8009] pc : [] lr : [] psr: 600e0013 [ 76.226355] sp : c6f73e30 ip : c6f73d38 fp : c6f73e4c [ 76.231586] r10: 0000000d r9 : c1acec10 r8 : c15ead50 [ 76.236819] r7 : c6f73f60 r6 : 00000001 r5 : c4740580 r4 : c0c5468c [ 76.243353] r3 : 961e94e8 r2 : 961e94e8 r1 : ef7965e0 r0 : 0000002b [ 76.249891] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 76.257034] Control: 10c5387d Table: 1686c04a DAC: 00000051 [ 76.262792] Process cat (pid: 1836, stack limit = 0x2be07ed8) [ 76.268546] Stack: (0xc6f73e30 to 0xc6f74000) [ 76.272917] 3e20: c4740580 c6b8c000 0000000d c6f73f60 [ 76.281108] 3e40: c6f73e64 c6f73e50 c0c546dc c13874c0 00000021 c6b8c000 c6f73e74 c6f73e68 [ 76.289297] 3e60: c0c5391c c0c546b0 c6f73e9c c6f73e78 c0c53e1c c0c538fc c0c53cfc c69a03c0 [ 76.297487] 3e80: b6e52000 0000000d c30e7780 c6f73f60 c6f73ec4 c6f73ea0 c07e066c c0c53d08 [ 76.305676] 3ea0: 00000000 c69a03c0 b6e52000 c2815800 c6f73f60 c07e0608 c6f73f5c c6f73ec8 [ 76.313865] 3ec0: c059acf0 c07e0614 00000001 00000000 c059b29c c139ca10 c059b29c c6f72000 [ 76.322056] 3ee0: b6e52000 00020000 00000004 0000000d 0001fff3 c6f73ee0 00000001 b6e51000 [ 76.330245] 3f00: c6b07a40 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 76.338434] 3f20: 00000000 00000000 c139ca10 961e94e8 c205e380 c69a03c0 c69a03c0 c6f72000 [ 76.346623] 3f40: b6e52000 00000000 00000000 00000004 c6f73f94 c6f73f60 c059b29c c059abf0 [ 76.354812] 3f60: 00000000 00000000 c6f73fac 961e94e8 0000000d 0000000d b6f99e00 00000004 [ 76.363000] 3f80: c03002e4 c6f72000 c6f73fa4 c6f73f98 c059b32c c059b234 00000000 c6f73fa8 [ 76.371188] 3fa0: c03000c0 c059b320 0000000d 0000000d 00000001 b6e52000 0000000d 00000000 [ 76.379375] 3fc0: 0000000d 0000000d b6f99e00 00000004 00000001 00000000 00020000 bef03ac4 [ 76.387565] 3fe0: 00000004 bef037f8 b6f03d8f b6e8a7e6 800e0030 00000001 00000000 00000000 [ 76.395746] Backtrace: [ 76.398220] [] (execute_location) from [] (lkdtm_EXEC_KMALLOC+0x38/0x44) [ 76.406671] r7:c6f73f60 r6:0000000d r5:c6b8c000 r4:c4740580 [ 76.412346] [] (lkdtm_EXEC_KMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) [ 76.420704] r5:c6b8c000 r4:00000021 [ 76.424293] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 76.432314] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 76.440245] r9:c6f73f60 r8:c30e7780 r7:0000000d r6:b6e52000 r5:c69a03c0 r4:c0c53cfc [ 76.448007] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 76.455849] r9:c07e0608 r8:c6f73f60 r7:c2815800 r6:b6e52000 r5:c69a03c0 r4:00000000 [ 76.463604] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 76.470750] r10:00000004 r9:00000000 r8:00000000 r7:b6e52000 r6:c6f72000 r5:c69a03c0 [ 76.478585] r4:c69a03c0 [ 76.481131] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 76.488277] r9:c6f72000 r8:c03002e4 r7:00000004 r6:b6f99e00 r5:0000000d r4:0000000d [ 76.496036] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 76.503612] Exception stack(0xc6f73fa8 to 0xc6f73ff0) [ 76.508673] 3fa0: 0000000d 0000000d 00000001 b6e52000 0000000d 00000000 [ 76.516862] 3fc0: 0000000d 0000000d b6f99e00 00000004 00000001 00000000 00020000 bef03ac4 [ 76.525047] 3fe0: 00000004 bef037f8 b6f03d8f b6e8a7e6 [ 76.530111] Code: 00160017 00000000 00000000 00000000 (e1a0c00d) [ 76.536221] ---[ end trace 10039795b0cb1a4d ]--- # Segmentation fault # [ 76.097337] lkdtm: Performing direct entry EXEC_KMALLOC # [ 76.104926] lkdtm: attempting ok execution at c0c5468c # [ 76.112943] lkdtm: attempting bad execution at c4740580 # [ 76.120980] 8<--- cut here --- # [ 76.126809] Unable to handle kernel paging request at virtual address c4740580 # [ 76.136112] pgd = ac86e960 # [ 76.140729] [c4740580] *pgd=1461141e(bad) # [ 76.147435] Internal error: Oops: 8000000d [#5] SMP ARM # [ 76.154998] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display imx_ldb imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 76.186702] CPU: 1 PID: 1836 Comm: cat Tainted: G D W 5.10.184-cip36 #1 # [ 76.196867] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 76.205307] PC is at 0xc4740580 # [ 76.210715] LR is at execute_location+0xa4/0xb4 # [ 76.218009] pc : [] lr : [] psr: 600e0013 # [ 76.226355] sp : c6f73e30 ip : c6f73d38 fp : c6f73e4c # [ 76.231586] r10: 0000000d r9 : c1acec10 r8 : c15ead50 # [ 76.236819] r7 : c6f73f60 r6 : 00000001 r5 : c4740580 r4 : c0c5468c # [ 76.243353] r3 : 961e94e8 r2 : 961e94e8 r1 : ef7965e0 r0 : 0000002b # [ 76.249891] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 76.257034] Control: 10c5387d Table: 1686c04a DAC: 00000051 # [ 76.262792] Process cat (pid: 1836, stack limit = 0x2be07ed8) # [ 76.268546] Stack: (0xc6f73e30 to 0xc6f74000) # [ 76.272917] 3e20: c4740580 c6b8c000 0000000d c6f73f60 # [ 76.281108] 3e40: c6f73e64 c6f73e50 c0c546dc c13874c0 00000021 c6b8c000 c6f73e74 c6f73e68 # [ 76.289297] 3e60: c0c5391c c0c546b0 c6f73e9c c6f73e78 c0c53e1c c0c538fc c0c53cfc c69a03c0 # [ 76.297487] 3e80: b6e52000 0000000d c30e7780 c6f73f60 c6f73ec4 c6f73ea0 c07e066c c0c53d08 # [ 76.305676] 3ea0: 00000000 c69a03c0 b6e52000 c2815800 c6f73f60 c07e0608 c6f73f5c c6f73ec8 # [ 76.313865] 3ec0: c059acf0 c07e0614 00000001 00000000 c059b29c c139ca10 c059b29c c6f72000 # [ 76.322056] 3ee0: b6e52000 00020000 00000004 0000000d 0001fff3 c6f73ee0 00000001 b6e51000 # [ 76.330245] 3f00: c6b07a40 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 76.338434] 3f20: 00000000 00000000 c139ca10 961e94e8 c205e380 c69a03c0 c69a03c0 c6f72000 # [ 76.346623] 3f40: b6e52000 00000000 00000000 00000004 c6f73f94 c6f73f60 c059b29c c059abf0 # [ 76.354812] 3f60: 00000000 00000000 c6f73fac 961e94e8 0000000d 0000000d b6f99e00 00000004 # [ 76.363000] 3f80: c03002e4 c6f72000 c6f73fa4 c6f73f98 c059b32c c059b234 00000000 c6f73fa8 # [ 76.371188] 3fa0: c03000c0 c059b320 0000000d 0000000d 00000001 b6e52000 0000000d 00000000 # [ 76.379375] 3fc0: 0000000d 0000000d b6f99e00 00000004 00000001 00000000 00020000 bef03ac4 # [ 76.387565] 3fe0: 00000004 bef037f8 b6f03d8f b6e8a7e6 800e0030 00000001 00000000 00000000 # [ 76.395746] Backtrace: # [ 76.398220] [] (execute_location) from [] (lkdtm_EXEC_KMALLOC+0x38/0x44) # [ 76.406671] r7:c6f73f60 r6:0000000d r5:c6b8c000 r4:c4740580 # [ 76.412346] [] (lkdtm_EXEC_KMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) # [ 76.420704] r5:c6b8c000 r4:00000021 # [ 76.424293] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 76.432314] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 76.440245] r9:c6f73f60 r8:c30e7780 r7:0000000d r6:b6e52000 r5:c69a03c0 r4:c0c53cfc # [ 76.448007] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 76.455849] r9:c07e0608 r8:c6f73f60 r7:c2815800 r6:b6e52000 r5:c69a03c0 r4:00000000 # [ 76.463604] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 76.470750] r10:00000004 r9:00000000 r8:00000000 r7:b6e52000 r6:c6f72000 r5:c69a03c0 # [ 76.478585] r4:c69a03c0 # [ 76.481131] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 76.488277] r9:c6f72000 r8:c03002e4 r7:00000004 r6:b6f99e00 r5:0000000d r4:0000000d # [ 76.496036] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 76.503612] Exception stack(0xc6f73fa8 to 0xc6f73ff0) # [ 76.508673] 3fa0: 0000000d 0000000d 00000001 b6e52000 0000000d 00000000 # [ 76.516862] 3fc0: 0000000d 0000000d b6f99e00 00000004 00000001 00000000 00020000 bef03ac4 # [ 76.525047] 3fe0: 00000004 bef037f8 b6f03d8f b6e8a7e6 # [ 76.530111] Code: 00160017 00000000 00000000 00000000 (e1a0c00d) # [ 76.536221] ---[ end trace 10039795b0cb1a4d ]--- # EXEC_KMALLOC: missing 'call trace:': [FAIL] not ok 32 selftests: lkdtm: EXEC_KMALLOC.sh # exit=1 # selftests: lkdtm: EXEC_VMALLOC.sh [ 77.097731] lkdtm: Performing direct entry EXEC_VMALLOC [ 77.103162] lkdtm: attempting ok execution at c0c5468c [ 77.108320] lkdtm: attempting bad execution at f0980000 [ 77.113685] 8<--- cut here --- [ 77.116760] Unable to handle kernel paging request at virtual address f0980000 [ 77.124068] pgd = 7f8f3873 [ 77.126795] [f0980000] *pgd=12949811, *pte=4b85e65f, *ppte=4b85e45f [ 77.133150] Internal error: Oops: 8000000f [#6] SMP ARM [ 77.138388] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display imx_ldb imxdrm etnaviv gpu_sched imx_ipu_v3 [ 77.167472] CPU: 0 PID: 1913 Comm: cat Tainted: G D W 5.10.184-cip36 #1 [ 77.175222] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 77.181762] PC is at 0xf0980000 [ 77.184924] LR is at execute_location+0xa4/0xb4 [ 77.189464] pc : [] lr : [] psr: 600e0013 [ 77.195738] sp : c6d97e30 ip : c6d97d38 fp : c6d97e4c [ 77.200971] r10: 0000000d r9 : c1acec20 r8 : c15ead50 [ 77.206204] r7 : c6d97f60 r6 : 00000001 r5 : f0980000 r4 : c0c5468c [ 77.212739] r3 : 36aebd2a r2 : 36aebd2a r1 : ef7815e0 r0 : 0000002b [ 77.219276] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 77.226420] Control: 10c5387d Table: 1686804a DAC: 00000051 [ 77.232175] Process cat (pid: 1913, stack limit = 0x07e1a550) [ 77.237930] Stack: (0xc6d97e30 to 0xc6d98000) [ 77.242298] 7e20: f0980000 c5815000 0000000d c6d97f60 [ 77.250489] 7e40: c6d97e64 c6d97e50 c0c54710 c13874c0 00000022 c5815000 c6d97e74 c6d97e68 [ 77.258678] 7e60: c0c5391c c0c546f4 c6d97e9c c6d97e78 c0c53e1c c0c538fc c0c53cfc c5aa6dc0 [ 77.266868] 7e80: b6e98000 0000000d c30e7780 c6d97f60 c6d97ec4 c6d97ea0 c07e066c c0c53d08 [ 77.275056] 7ea0: 00000000 c5aa6dc0 b6e98000 c2815800 c6d97f60 c07e0608 c6d97f5c c6d97ec8 [ 77.283246] 7ec0: c059acf0 c07e0614 00000001 00000000 c059b29c c139ca10 c059b29c c6d96000 [ 77.291434] 7ee0: b6e98000 00020000 00000004 0000000d 0001fff3 c6d97ee0 00000001 b6e97000 [ 77.299623] 7f00: c69a0640 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 77.307813] 7f20: 00000000 00000000 c139ca10 36aebd2a c205e380 c5aa6dc0 c5aa6dc0 c6d96000 [ 77.316002] 7f40: b6e98000 00000000 00000000 00000004 c6d97f94 c6d97f60 c059b29c c059abf0 [ 77.324191] 7f60: 00000000 00000000 c6d97fac 36aebd2a 0000000d 0000000d b6fdfe00 00000004 [ 77.332381] 7f80: c03002e4 c6d96000 c6d97fa4 c6d97f98 c059b32c c059b234 00000000 c6d97fa8 [ 77.340570] 7fa0: c03000c0 c059b320 0000000d 0000000d 00000001 b6e98000 0000000d 00000000 [ 77.348760] 7fc0: 0000000d 0000000d b6fdfe00 00000004 00000001 00000000 00020000 bee44ac4 [ 77.356947] 7fe0: 00000004 bee447f8 b6f49d8f b6ed07e6 800e0030 00000001 00000000 00000000 [ 77.365129] Backtrace: [ 77.367603] [] (execute_location) from [] (lkdtm_EXEC_VMALLOC+0x28/0x34) [ 77.376055] r7:c6d97f60 r6:0000000d r5:c5815000 r4:f0980000 [ 77.381728] [] (lkdtm_EXEC_VMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) [ 77.390086] r5:c5815000 r4:00000022 [ 77.393675] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 77.401698] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 77.409627] r9:c6d97f60 r8:c30e7780 r7:0000000d r6:b6e98000 r5:c5aa6dc0 r4:c0c53cfc [ 77.417389] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 77.425232] r9:c07e0608 r8:c6d97f60 r7:c2815800 r6:b6e98000 r5:c5aa6dc0 r4:00000000 [ 77.432988] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 77.440134] r10:00000004 r9:00000000 r8:00000000 r7:b6e98000 r6:c6d96000 r5:c5aa6dc0 [ 77.447971] r4:c5aa6dc0 [ 77.450517] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 77.457664] r9:c6d96000 r8:c03002e4 r7:00000004 r6:b6fdfe00 r5:0000000d r4:0000000d [ 77.465424] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 77.472999] Exception stack(0xc6d97fa8 to 0xc6d97ff0) [ 77.478061] 7fa0: 0000000d 0000000d 00000001 b6e98000 0000000d 00000000 [ 77.486249] 7fc0: 0000000d 0000000d b6fdfe00 00000004 00000001 00000000 00020000 bee44ac4 [ 77.494435] 7fe0: 00000004 bee447f8 b6f49d8f b6ed07e6 [ 77.499502] Code: bad PC value [ 77.502622] ---[ end trace 10039795b0cb1a4e ]--- # Segmentation fault # [ 77.097731] lkdtm: Performing direct entry EXEC_VMALLOC # [ 77.103162] lkdtm: attempting ok execution at c0c5468c # [ 77.108320] lkdtm: attempting bad execution at f0980000 # [ 77.113685] 8<--- cut here --- # [ 77.116760] Unable to handle kernel paging request at virtual address f0980000 # [ 77.124068] pgd = 7f8f3873 # [ 77.126795] [f0980000] *pgd=12949811, *pte=4b85e65f, *ppte=4b85e45f # [ 77.133150] Internal error: Oops: 8000000f [#6] SMP ARM # [ 77.138388] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display imx_ldb imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 77.167472] CPU: 0 PID: 1913 Comm: cat Tainted: G D W 5.10.184-cip36 #1 # [ 77.175222] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 77.181762] PC is at 0xf0980000 # [ 77.184924] LR is at execute_location+0xa4/0xb4 # [ 77.189464] pc : [] lr : [] psr: 600e0013 # [ 77.195738] sp : c6d97e30 ip : c6d97d38 fp : c6d97e4c # [ 77.200971] r10: 0000000d r9 : c1acec20 r8 : c15ead50 # [ 77.206204] r7 : c6d97f60 r6 : 00000001 r5 : f0980000 r4 : c0c5468c # [ 77.212739] r3 : 36aebd2a r2 : 36aebd2a r1 : ef7815e0 r0 : 0000002b # [ 77.219276] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 77.226420] Control: 10c5387d Table: 1686804a DAC: 00000051 # [ 77.232175] Process cat (pid: 1913, stack limit = 0x07e1a550) # [ 77.237930] Stack: (0xc6d97e30 to 0xc6d98000) # [ 77.242298] 7e20: f0980000 c5815000 0000000d c6d97f60 # [ 77.250489] 7e40: c6d97e64 c6d97e50 c0c54710 c13874c0 00000022 c5815000 c6d97e74 c6d97e68 # [ 77.258678] 7e60: c0c5391c c0c546f4 c6d97e9c c6d97e78 c0c53e1c c0c538fc c0c53cfc c5aa6dc0 # [ 77.266868] 7e80: b6e98000 0000000d c30e7780 c6d97f60 c6d97ec4 c6d97ea0 c07e066c c0c53d08 # [ 77.275056] 7ea0: 00000000 c5aa6dc0 b6e98000 c2815800 c6d97f60 c07e0608 c6d97f5c c6d97ec8 # [ 77.283246] 7ec0: c059acf0 c07e0614 00000001 00000000 c059b29c c139ca10 c059b29c c6d96000 # [ 77.291434] 7ee0: b6e98000 00020000 00000004 0000000d 0001fff3 c6d97ee0 00000001 b6e97000 # [ 77.299623] 7f00: c69a0640 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 77.307813] 7f20: 00000000 00000000 c139ca10 36aebd2a c205e380 c5aa6dc0 c5aa6dc0 c6d96000 # [ 77.316002] 7f40: b6e98000 00000000 00000000 00000004 c6d97f94 c6d97f60 c059b29c c059abf0 # [ 77.324191] 7f60: 00000000 00000000 c6d97fac 36aebd2a 0000000d 0000000d b6fdfe00 00000004 # [ 77.332381] 7f80: c03002e4 c6d96000 c6d97fa4 c6d97f98 c059b32c c059b234 00000000 c6d97fa8 # [ 77.340570] 7fa0: c03000c0 c059b320 0000000d 0000000d 00000001 b6e98000 0000000d 00000000 # [ 77.348760] 7fc0: 0000000d 0000000d b6fdfe00 00000004 00000001 00000000 00020000 bee44ac4 # [ 77.356947] 7fe0: 00000004 bee447f8 b6f49d8f b6ed07e6 800e0030 00000001 00000000 00000000 # [ 77.365129] Backtrace: # [ 77.367603] [] (execute_location) from [] (lkdtm_EXEC_VMALLOC+0x28/0x34) # [ 77.376055] r7:c6d97f60 r6:0000000d r5:c5815000 r4:f0980000 # [ 77.381728] [] (lkdtm_EXEC_VMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) # [ 77.390086] r5:c5815000 r4:00000022 # [ 77.393675] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 77.401698] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 77.409627] r9:c6d97f60 r8:c30e7780 r7:0000000d r6:b6e98000 r5:c5aa6dc0 r4:c0c53cfc # [ 77.417389] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 77.425232] r9:c07e0608 r8:c6d97f60 r7:c2815800 r6:b6e98000 r5:c5aa6dc0 r4:00000000 # [ 77.432988] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 77.440134] r10:00000004 r9:00000000 r8:00000000 r7:b6e98000 r6:c6d96000 r5:c5aa6dc0 # [ 77.447971] r4:c5aa6dc0 # [ 77.450517] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 77.457664] r9:c6d96000 r8:c03002e4 r7:00000004 r6:b6fdfe00 r5:0000000d r4:0000000d # [ 77.465424] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 77.472999] Exception stack(0xc6d97fa8 to 0xc6d97ff0) # [ 77.478061] 7fa0: 0000000d 0000000d 00000001 b6e98000 0000000d 00000000 # [ 77.486249] 7fc0: 0000000d 0000000d b6fdfe00 00000004 00000001 00000000 00020000 bee44ac4 # [ 77.494435] 7fe0: 00000004 bee447f8 b6f49d8f b6ed07e6 # [ 77.499502] Code: bad PC value # [ 77.502622] ---[ end trace 10039795b0cb1a4e ]--- # EXEC_VMALLOC: missing 'call trace:': [FAIL] not ok 33 selftests: lkdtm: EXEC_VMALLOC.sh # exit=1 # selftests: lkdtm: EXEC_RODATA.sh [ 78.084591] lkdtm: Performing direct entry EXEC_RODATA [ 78.089784] lkdtm: attempting ok execution at c0c5468c [ 78.095074] lkdtm: attempting bad execution at c15eafec [ 78.100417] 8<--- cut here --- [ 78.103500] Unable to handle kernel paging request at virtual address c15eafec [ 78.110740] pgd = 7f97e61f [ 78.113456] [c15eafec] *pgd=1141941e(bad) [ 78.117494] Internal error: Oops: 8000000d [#7] SMP ARM [ 78.122731] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display imx_ldb imxdrm etnaviv gpu_sched imx_ipu_v3 [ 78.151813] CPU: 3 PID: 1990 Comm: cat Tainted: G D W 5.10.184-cip36 #1 [ 78.159564] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 78.166111] PC is at lkdtm_rodata_do_nothing+0x0/0x10 [ 78.171181] LR is at execute_location+0xa4/0xb4 [ 78.175721] pc : [] lr : [] psr: 600e0013 [ 78.181997] sp : c6969e38 ip : c6969d40 fp : c6969e54 [ 78.187229] r10: 0000000c r9 : c1acec30 r8 : c15ead50 [ 78.192461] r7 : c6969f60 r6 : 00000000 r5 : c15eafec r4 : c0c5468c [ 78.198996] r3 : b78675da r2 : b78675da r1 : ef7c05e0 r0 : 0000002b [ 78.205532] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 78.212676] Control: 10c5387d Table: 16fc004a DAC: 00000051 [ 78.218429] Process cat (pid: 1990, stack limit = 0x95b07a80) [ 78.224185] Stack: (0xc6969e38 to 0xc696a000) [ 78.228553] 9e20: 00000023 c6b57000 [ 78.236743] 9e40: 0000000c c6969f60 c6969e64 c6969e58 c1387740 c13874c0 c6969e74 c6969e68 [ 78.244933] 9e60: c0c5391c c1387728 c6969e9c c6969e78 c0c53e1c c0c538fc c0c53cfc c5b94b40 [ 78.253122] 9e80: b6e1d000 0000000c c30e7780 c6969f60 c6969ec4 c6969ea0 c07e066c c0c53d08 [ 78.261310] 9ea0: 00000000 c5b94b40 b6e1d000 c2815800 c6969f60 c07e0608 c6969f5c c6969ec8 [ 78.269498] 9ec0: c059acf0 c07e0614 00000001 00000000 c059b29c c139ca10 c059b29c c6968000 [ 78.277688] 9ee0: b6e1d000 00020000 00000004 0000000c 0001fff4 c6969ee0 00000001 b6e1c000 [ 78.285876] 9f00: c69a0780 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 78.294065] 9f20: 00000000 00000000 c139ca10 b78675da c205e380 c5b94b40 c5b94b40 c6968000 [ 78.302254] 9f40: b6e1d000 00000000 00000000 00000004 c6969f94 c6969f60 c059b29c c059abf0 [ 78.310445] 9f60: 00000000 00000000 c6969fac b78675da 0000000c 0000000c b6f64e00 00000004 [ 78.318634] 9f80: c03002e4 c6968000 c6969fa4 c6969f98 c059b32c c059b234 00000000 c6969fa8 [ 78.326821] 9fa0: c03000c0 c059b320 0000000c 0000000c 00000001 b6e1d000 0000000c 00000000 [ 78.335011] 9fc0: 0000000c 0000000c b6f64e00 00000004 00000001 00000000 00020000 bebe8ac4 [ 78.343199] 9fe0: 00000004 bebe87f8 b6eced8f b6e557e6 800e0030 00000001 00000000 00000000 [ 78.351380] Backtrace: [ 78.353852] [] (execute_location) from [] (lkdtm_EXEC_RODATA+0x24/0x28) [ 78.362216] r7:c6969f60 r6:0000000c r5:c6b57000 r4:00000023 [ 78.367893] [] (lkdtm_EXEC_RODATA) from [] (lkdtm_do_action+0x2c/0x4c) [ 78.376171] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 78.384193] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 78.392122] r9:c6969f60 r8:c30e7780 r7:0000000c r6:b6e1d000 r5:c5b94b40 r4:c0c53cfc [ 78.399885] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 78.407731] r9:c07e0608 r8:c6969f60 r7:c2815800 r6:b6e1d000 r5:c5b94b40 r4:00000000 [ 78.415490] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 78.422637] r10:00000004 r9:00000000 r8:00000000 r7:b6e1d000 r6:c6968000 r5:c5b94b40 [ 78.430473] r4:c5b94b40 [ 78.433020] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 78.440167] r9:c6968000 r8:c03002e4 r7:00000004 r6:b6f64e00 r5:0000000c r4:0000000c [ 78.447928] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 78.455504] Exception stack(0xc6969fa8 to 0xc6969ff0) [ 78.460567] 9fa0: 0000000c 0000000c 00000001 b6e1d000 0000000c 00000000 [ 78.468756] 9fc0: 0000000c 0000000c b6f64e00 00000004 00000001 00000000 00020000 bebe8ac4 [ 78.476940] 9fe0: 00000004 bebe87f8 b6eced8f b6e557e6 [ 78.482003] Code: 5f727563 6e756f63 00000074 aa55aa55 (e1a0c00d) [ 78.488112] ---[ end trace 10039795b0cb1a4f ]--- # Segmentation fault # [ 78.084591] lkdtm: Performing direct entry EXEC_RODATA # [ 78.089784] lkdtm: attempting ok execution at c0c5468c # [ 78.095074] lkdtm: attempting bad execution at c15eafec # [ 78.100417] 8<--- cut here --- # [ 78.103500] Unable to handle kernel paging request at virtual address c15eafec # [ 78.110740] pgd = 7f97e61f # [ 78.113456] [c15eafec] *pgd=1141941e(bad) # [ 78.117494] Internal error: Oops: 8000000d [#7] SMP ARM # [ 78.122731] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display imx_ldb imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 78.151813] CPU: 3 PID: 1990 Comm: cat Tainted: G D W 5.10.184-cip36 #1 # [ 78.159564] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 78.166111] PC is at lkdtm_rodata_do_nothing+0x0/0x10 # [ 78.171181] LR is at execute_location+0xa4/0xb4 # [ 78.175721] pc : [] lr : [] psr: 600e0013 # [ 78.181997] sp : c6969e38 ip : c6969d40 fp : c6969e54 # [ 78.187229] r10: 0000000c r9 : c1acec30 r8 : c15ead50 # [ 78.192461] r7 : c6969f60 r6 : 00000000 r5 : c15eafec r4 : c0c5468c # [ 78.198996] r3 : b78675da r2 : b78675da r1 : ef7c05e0 r0 : 0000002b # [ 78.205532] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 78.212676] Control: 10c5387d Table: 16fc004a DAC: 00000051 # [ 78.218429] Process cat (pid: 1990, stack limit = 0x95b07a80) # [ 78.224185] Stack: (0xc6969e38 to 0xc696a000) # [ 78.228553] 9e20: 00000023 c6b57000 # [ 78.236743] 9e40: 0000000c c6969f60 c6969e64 c6969e58 c1387740 c13874c0 c6969e74 c6969e68 # [ 78.244933] 9e60: c0c5391c c1387728 c6969e9c c6969e78 c0c53e1c c0c538fc c0c53cfc c5b94b40 # [ 78.253122] 9e80: b6e1d000 0000000c c30e7780 c6969f60 c6969ec4 c6969ea0 c07e066c c0c53d08 # [ 78.261310] 9ea0: 00000000 c5b94b40 b6e1d000 c2815800 c6969f60 c07e0608 c6969f5c c6969ec8 # [ 78.269498] 9ec0: c059acf0 c07e0614 00000001 00000000 c059b29c c139ca10 c059b29c c6968000 # [ 78.277688] 9ee0: b6e1d000 00020000 00000004 0000000c 0001fff4 c6969ee0 00000001 b6e1c000 # [ 78.285876] 9f00: c69a0780 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 78.294065] 9f20: 00000000 00000000 c139ca10 b78675da c205e380 c5b94b40 c5b94b40 c6968000 # [ 78.302254] 9f40: b6e1d000 00000000 00000000 00000004 c6969f94 c6969f60 c059b29c c059abf0 # [ 78.310445] 9f60: 00000000 00000000 c6969fac b78675da 0000000c 0000000c b6f64e00 00000004 # [ 78.318634] 9f80: c03002e4 c6968000 c6969fa4 c6969f98 c059b32c c059b234 00000000 c6969fa8 # [ 78.326821] 9fa0: c03000c0 c059b320 0000000c 0000000c 00000001 b6e1d000 0000000c 00000000 # [ 78.335011] 9fc0: 0000000c 0000000c b6f64e00 00000004 00000001 00000000 00020000 bebe8ac4 # [ 78.343199] 9fe0: 00000004 bebe87f8 b6eced8f b6e557e6 800e0030 00000001 00000000 00000000 # [ 78.351380] Backtrace: # [ 78.353852] [] (execute_location) from [] (lkdtm_EXEC_RODATA+0x24/0x28) # [ 78.362216] r7:c6969f60 r6:0000000c r5:c6b57000 r4:00000023 # [ 78.367893] [] (lkdtm_EXEC_RODATA) from [] (lkdtm_do_action+0x2c/0x4c) # [ 78.376171] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 78.384193] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 78.392122] r9:c6969f60 r8:c30e7780 r7:0000000c r6:b6e1d000 r5:c5b94b40 r4:c0c53cfc # [ 78.399885] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 78.407731] r9:c07e0608 r8:c6969f60 r7:c2815800 r6:b6e1d000 r5:c5b94b40 r4:00000000 # [ 78.415490] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 78.422637] r10:00000004 r9:00000000 r8:00000000 r7:b6e1d000 r6:c6968000 r5:c5b94b40 # [ 78.430473] r4:c5b94b40 # [ 78.433020] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 78.440167] r9:c6968000 r8:c03002e4 r7:00000004 r6:b6f64e00 r5:0000000c r4:0000000c # [ 78.447928] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 78.455504] Exception stack(0xc6969fa8 to 0xc6969ff0) # [ 78.460567] 9fa0: 0000000c 0000000c 00000001 b6e1d000 0000000c 00000000 # [ 78.468756] 9fc0: 0000000c 0000000c b6f64e00 00000004 00000001 00000000 00020000 bebe8ac4 # [ 78.476940] 9fe0: 00000004 bebe87f8 b6eced8f b6e557e6 # [ 78.482003] Code: 5f727563 6e756f63 00000074 aa55aa55 (e1a0c00d) # [ 78[ 79.031514] lkdtm: Performing direct entry EXEC_USERSPACE .488112] ---[ end trace 10039795b[ 79.038433] lkdtm: attempting ok execution at c0c5468c 0cb1a4f ]--- # EXEC_RODATA: miss[ 79.046630] lkdtm: attempting bad execution at b6f7a000 ing 'call trace:': [FAIL] not ok[ 79.054581] Unhandled prefetch abort: page domain fault (0x00b) at 0xb6f7a000 34 selftests: lkdtm:[ E X E7C9_064501] Internal error: : b [#8] SMP ARM RODATA.sh # exit=1 # selftests: [ 79.071023] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display imx_ldb imxdrm etnaviv gpu_sched imx_ipu_v3 lkdtm: EXEC_USERSPACE.s[h 79.102728] CPU: 2 PID: 2066 Comm: cat Tainted: G D W 5.10.184-cip36 #1 [ 79.112718] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 79.119261] PC is at 0xb6f7a000 [ 79.122418] LR is at lkdtm_EXEC_USERSPACE+0xc4/0xd4 [ 79.127303] pc : [] lr : [] psr: 600e0013 [ 79.133577] sp : c6969e48 ip : c6969d50 fp : c6969e64 [ 79.138810] r10: 0000000f r9 : c1acec3c r8 : c15ead50 [ 79.144041] r7 : c6969f60 r6 : 0000000f r5 : c5a1a000 r4 : b6f7a000 [ 79.150576] r3 : aa59d2eb r2 : aa59d2eb r1 : ef7ab5e0 r0 : 0000002b [ 79.157113] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 79.164258] Control: 10c5387d Table: 16e3004a DAC: 00000051 [ 79.170013] Process cat (pid: 2066, stack limit = 0x95b07a80) [ 79.175767] Stack: (0xc6969e48 to 0xc696a000) [ 79.180138] 9e40: 00000001 00000000 0000000f 00000024 c6969e74 c6969e68 [ 79.188329] 9e60: c0c5391c c0c54728 c6969e9c c6969e78 c0c53e1c c0c538fc c0c53cfc c5b2b7c0 [ 79.196517] 9e80: b6e34000 0000000f c30e7780 c6969f60 c6969ec4 c6969ea0 c07e066c c0c53d08 [ 79.204706] 9ea0: 00000000 c5b2b7c0 b6e34000 c2815800 c6969f60 c07e0608 c6969f5c c6969ec8 [ 79.212895] 9ec0: c059acf0 c07e0614 00000001 00000000 c059b29c c139ca10 c059b29c c6968000 [ 79.221084] 9ee0: b6e34000 00020000 00000004 0000000f 0001fff1 c6969ee0 00000001 b6e33000 [ 79.229271] 9f00: c5b94dc0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 79.237460] 9f20: 00000000 00000000 c139ca10 aa59d2eb c205e380 c5b2b7c0 c5b2b7c0 c6968000 [ 79.245648] 9f40: b6e34000 00000000 00000000 00000004 c6969f94 c6969f60 c059b29c c059abf0 [ 79.253839] 9f60: 00000000 00000000 c6969fac aa59d2eb 0000000f 0000000f b6f7be00 00000004 [ 79.262028] 9f80: c03002e4 c6968000 c6969fa4 c6969f98 c059b32c c059b234 00000000 c6969fa8 [ 79.270216] 9fa0: c03000c0 c059b320 0000000f 0000000f 00000001 b6e34000 0000000f 00000000 [ 79.278407] 9fc0: 0000000f 0000000f b6f7be00 00000004 00000001 00000000 00020000 bebadac4 [ 79.286594] 9fe0: 00000004 bebad7f8 b6ee5d8f b6e6c7e6 800e0030 00000001 00000000 00000000 [ 79.294776] Backtrace: [ 79.297247] [] (lkdtm_EXEC_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) [ 79.305780] r4:00000024 [ 79.308329] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 79.316354] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 79.324285] r9:c6969f60 r8:c30e7780 r7:0000000f r6:b6e34000 r5:c5b2b7c0 r4:c0c53cfc [ 79.332046] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 79.339886] r9:c07e0608 r8:c6969f60 r7:c2815800 r6:b6e34000 r5:c5b2b7c0 r4:00000000 [ 79.347642] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 79.354788] r10:00000004 r9:00000000 r8:00000000 r7:b6e34000 r6:c6968000 r5:c5b2b7c0 [ 79.362624] r4:c5b2b7c0 [ 79.365173] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 79.372319] r9:c6968000 r8:c03002e4 r7:00000004 r6:b6f7be00 r5:0000000f r4:0000000f [ 79.380079] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 79.387655] Exception stack(0xc6969fa8 to 0xc6969ff0) [ 79.392717] 9fa0: 0000000f 0000000f 00000001 b6e34000 0000000f 00000000 [ 79.400906] 9fc0: 0000000f 0000000f b6f7be00 00000004 00000001 00000000 00020000 bebadac4 [ 79.409091] 9fe0: 00000004 bebad7f8 b6ee5d8f b6e6c7e6 [ 79.414157] Code: bad PC value [ 79.417228] ---[ end trace 10039795b0cb1a50 ]--- # Segmentation fault # [ 79.031514] lkdtm: Performing direct entry EXEC_USERSPACE # [ 79.038433] lkdtm: attempting ok execution at c0c5468c # [ 79.046630] lkdtm: attempting bad execution at b6f7a000 # [ 79.054581] Unhandled prefetch abort: page domain fault (0x00b) at 0xb6f7a000 # [ 79.064501] Internal error: : b [#8] SMP ARM # [ 79.071023] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display imx_ldb imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 79.102728] CPU: 2 PID: 2066 Comm: cat Tainted: G D W 5.10.184-cip36 #1 # [ 79.112718] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 79.119261] PC is at 0xb6f7a000 # [ 79.122418] LR is at lkdtm_EXEC_USERSPACE+0xc4/0xd4 # [ 79.127303] pc : [] lr : [] psr: 600e0013 # [ 79.133577] sp : c6969e48 ip : c6969d50 fp : c6969e64 # [ 79.138810] r10: 0000000f r9 : c1acec3c r8 : c15ead50 # [ 79.144041] r7 : c6969f60 r6 : 0000000f r5 : c5a1a000 r4 : b6f7a000 # [ 79.150576] r3 : aa59d2eb r2 : aa59d2eb r1 : ef7ab5e0 r0 : 0000002b # [ 79.157113] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 79.164258] Control: 10c5387d Table: 16e3004a DAC: 00000051 # [ 79.170013] Process cat (pid: 2066, stack limit = 0x95b07a80) # [ 79.175767] Stack: (0xc6969e48 to 0xc696a000) # [ 79.180138] 9e40: 00000001 00000000 0000000f 00000024 c6969e74 c6969e68 # [ 79.188329] 9e60: c0c5391c c0c54728 c6969e9c c6969e78 c0c53e1c c0c538fc c0c53cfc c5b2b7c0 # [ 79.196517] 9e80: b6e34000 0000000f c30e7780 c6969f60 c6969ec4 c6969ea0 c07e066c c0c53d08 # [ 79.204706] 9ea0: 00000000 c5b2b7c0 b6e34000 c2815800 c6969f60 c07e0608 c6969f5c c6969ec8 # [ 79.212895] 9ec0: c059acf0 c07e0614 00000001 00000000 c059b29c c139ca10 c059b29c c6968000 # [ 79.221084] 9ee0: b6e34000 00020000 00000004 0000000f 0001fff1 c6969ee0 00000001 b6e33000 # [ 79.229271] 9f00: c5b94dc0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 79.237460] 9f20: 00000000 00000000 c139ca10 aa59d2eb c205e380 c5b2b7c0 c5b2b7c0 c6968000 # [ 79.245648] 9f40: b6e34000 00000000 00000000 00000004 c6969f94 c6969f60 c059b29c c059abf0 # [ 79.253839] 9f60: 00000000 00000000 c6969fac aa59d2eb 0000000f 0000000f b6f7be00 00000004 # [ 79.262028] 9f80: c03002e4 c6968000 c6969fa4 c6969f98 c059b32c c059b234 00000000 c6969fa8 # [ 79.270216] 9fa0: c03000c0 c059b320 0000000f 0000000f 00000001 b6e34000 0000000f 00000000 # [ 79.278407] 9fc0: 0000000f 0000000f b6f7be00 00000004 00000001 00000000 00020000 bebadac4 # [ 79.286594] 9fe0: 00000004 bebad7f8 b6ee5d8f b6e6c7e6 800e0030 00000001 00000000 00000000 # [ 79.294776] Backtrace: # [ 79.297247] [] (lkdtm_EXEC_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 79.305780] r4:00000024 # [ 79.308329] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 79.316354] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 79.324285] r9:c6969f60 r8:c30e7780 r7:0000000f r6:b6e34000 r5:c5b2b7c0 r4:c0c53cfc # [ 79.332046] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 79.339886] r9:c07e0608 r8:c6969f60 r7:c2815800 r6:b6e34000 r5:c5b2b7c0 r4:00000000 # [ 79.347642] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 79.354788] r10:00000004 r9:00000000 r8:00000000 r7:b6e34000 r6:c6968000 r5:c5b2b7c0 # [ 79.362624] r4:c5b2b7c0 # [ 79.365173] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 79.372319] r9:c6968000 r8:c03002e4 r7:00000004 r6:b6f7be00 r5:0000000f r4:0000000f # [ 79.380079] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 79.387655] Exception stack(0xc6969fa8 to 0xc6969ff0) # [ 79.392717] 9fa0: 0000000f 0000000f 00000001 b6e34000 0000000f 00000000 # [ 79.400906] 9fc0: 0000000f 0000000f b6f7be00 00000004 00000001 00000000 00020000 bebadac4 # [ 79.409091] 9fe0: 00000004 bebad7f8 b6ee5d8f b6e6c7e6 # [ 79.414157] Code: bad PC value # [ 79.417228] ---[ end trace 10039795b0cb1a50 ]--- # EXEC_USERSPACE: missing 'call trace:': [FAIL] not ok 35 selftests: lkdtm: EXEC_USERSPACE.sh # exit=1 # selftests: lkdtm: EXEC_NULL.sh [ 79.968021] lkdtm: Performing direct entry EXEC_NULL [ 79.973072] lkdtm: attempting ok execution at c0c5468c [ 79.978226] lkdtm: attempting bad execution at 00000000 [ 79.983525] 8<--- cut here --- [ 79.986600] Unable to handle kernel NULL pointer dereference at virtual address 00000000 [ 79.994801] pgd = 04fd254d [ 79.997526] [00000000] *pgd=00000000 [ 80.001172] Internal error: Oops: 80000005 [#9] SMP ARM [ 80.006408] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display imx_ldb imxdrm etnaviv gpu_sched imx_ipu_v3 [ 80.035493] CPU: 0 PID: 2137 Comm: cat Tainted: G D W 5.10.184-cip36 #1 [ 80.043245] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 80.049785] PC is at 0x0 [ 80.052339] LR is at execute_location+0xa4/0xb4 [ 80.056879] pc : [<00000000>] lr : [] psr: 600e0013 [ 80.063154] sp : c6de7e38 ip : c6de7d40 fp : c6de7e54 [ 80.068387] r10: 0000000a r9 : c1acec4c r8 : c15ead50 [ 80.073620] r7 : c6de7f60 r6 : 00000000 r5 : 00000000 r4 : c0c5468c [ 80.080154] r3 : f121e07c r2 : f121e07c r1 : ef7815e0 r0 : 0000002b [ 80.086690] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 80.093834] Control: 10c5387d Table: 16f7404a DAC: 00000051 [ 80.099588] Process cat (pid: 2137, stack limit = 0x8bea7d3b) [ 80.105343] Stack: (0xc6de7e38 to 0xc6de8000) [ 80.109710] 7e20: 00000025 c5815000 [ 80.117900] 7e40: 0000000a c6de7f60 c6de7e64 c6de7e58 c1387764 c13874c0 c6de7e74 c6de7e68 [ 80.126088] 7e60: c0c5391c c1387750 c6de7e9c c6de7e78 c0c53e1c c0c538fc c0c53cfc c6b06000 [ 80.134278] 7e80: b6e0b000 0000000a c30e7780 c6de7f60 c6de7ec4 c6de7ea0 c07e066c c0c53d08 [ 80.142467] 7ea0: 00000000 c6b06000 b6e0b000 c2815800 c6de7f60 c07e0608 c6de7f5c c6de7ec8 [ 80.150657] 7ec0: c059acf0 c07e0614 00000001 00000000 c059b29c c139ca10 c059b29c c6de6000 [ 80.158845] 7ee0: b6e0b000 00020000 00000004 0000000a 0001fff6 c6de7ee0 00000001 b6e0a000 [ 80.167034] 7f00: c69ff680 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 80.175224] 7f20: 00000000 00000000 c139ca10 f121e07c c205e380 c6b06000 c6b06000 c6de6000 [ 80.183415] 7f40: b6e0b000 00000000 00000000 00000004 c6de7f94 c6de7f60 c059b29c c059abf0 [ 80.191606] 7f60: 00000000 00000000 c6de7fac f121e07c 0000000a 0000000a b6f52e00 00000004 [ 80.199796] 7f80: c03002e4 c6de6000 c6de7fa4 c6de7f98 c059b32c c059b234 00000000 c6de7fa8 [ 80.207984] 7fa0: c03000c0 c059b320 0000000a 0000000a 00000001 b6e0b000 0000000a 00000000 [ 80.216172] 7fc0: 0000000a 0000000a b6f52e00 00000004 00000001 00000000 00020000 bec20ac4 [ 80.224360] 7fe0: 00000004 bec207f8 b6ebcd8f b6e437e6 800e0030 00000001 00000000 00000000 [ 80.232542] Backtrace: [ 80.235014] [] (execute_location) from [] (lkdtm_EXEC_NULL+0x20/0x24) [ 80.243205] r7:c6de7f60 r6:0000000a r5:c5815000 r4:00000025 [ 80.248884] [] (lkdtm_EXEC_NULL) from [] (lkdtm_do_action+0x2c/0x4c) [ 80.256989] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 80.265012] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 80.272940] r9:c6de7f60 r8:c30e7780 r7:0000000a r6:b6e0b000 r5:c6b06000 r4:c0c53cfc [ 80.280703] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 80.288543] r9:c07e0608 r8:c6de7f60 r7:c2815800 r6:b6e0b000 r5:c6b06000 r4:00000000 [ 80.296298] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 80.303445] r10:00000004 r9:00000000 r8:00000000 r7:b6e0b000 r6:c6de6000 r5:c6b06000 [ 80.311280] r4:c6b06000 [ 80.313826] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 80.320972] r9:c6de6000 r8:c03002e4 r7:00000004 r6:b6f52e00 r5:0000000a r4:0000000a [ 80.328729] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 80.336305] Exception stack(0xc6de7fa8 to 0xc6de7ff0) [ 80.341366] 7fa0: 0000000a 0000000a 00000001 b6e0b000 0000000a 00000000 [ 80.349554] 7fc0: 0000000a 0000000a b6f52e00 00000004 00000001 00000000 00020000 bec20ac4 [ 80.357739] 7fe0: 00000004 bec207f8 b6ebcd8f b6e437e6 [ 80.362804] Code: bad PC value [ 80.365925] ---[ end trace 10039795b0cb1a51 ]--- # Segmentation fault # [ 79.968021] lkdtm: Performing direct entry EXEC_NULL # [ 79.973072] lkdtm: attempting ok execution at c0c5468c # [ 79.978226] lkdtm: attempting bad execution at 00000000 # [ 79.983525] 8<--- cut here --- # [ 79.986600] Unable to handle kernel NULL pointer dereference at virtual address 00000000 # [ 79.994801] pgd = 04fd254d # [ 79.997526] [00000000] *pgd=00000000 # [ 80.001172] Internal error: Oops: 80000005 [#9] SMP ARM # [ 80.006408] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display imx_ldb imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 80.035493] CPU: 0 PID: 2137 Comm: cat Tainted: G D W 5.10.184-cip36 #1 # [ 80.043245] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 80.049785] PC is at 0x0 # [ 80.052339] LR is at execute_location+0xa4/0xb4 # [ 80.056879] pc : [<00000000>] lr : [] psr: 600e0013 # [ 80.063154] sp : c6de7e38 ip : c6de7d40 fp : c6de7e54 # [ 80.068387] r10: 0000000a r9 : c1acec4c r8 : c15ead50 # [ 80.073620] r7 : c6de7f60 r6 : 00000000 r5 : 00000000 r4 : c0c5468c # [ 80.080154] r3 : f121e07c r2 : f121e07c r1 : ef7815e0 r0 : 0000002b # [ 80.086690] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 80.093834] Control: 10c5387d Table: 16f7404a DAC: 00000051 # [ 80.099588] Process cat (pid: 2137, stack limit = 0x8bea7d3b) # [ 80.105343] Stack: (0xc6de7e38 to 0xc6de8000) # [ 80.109710] 7e20: 00000025 c5815000 # [ 80.117900] 7e40: 0000000a c6de7f60 c6de7e64 c6de7e58 c1387764 c13874c0 c6de7e74 c6de7e68 # [ 80.126088] 7e60: c0c5391c c1387750 c6de7e9c c6de7e78 c0c53e1c c0c538fc c0c53cfc c6b06000 # [ 80.134278] 7e80: b6e0b000 0000000a c30e7780 c6de7f60 c6de7ec4 c6de7ea0 c07e066c c0c53d08 # [ 80.142467] 7ea0: 00000000 c6b06000 b6e0b000 c2815800 c6de7f60 c07e0608 c6de7f5c c6de7ec8 # [ 80.150657] 7ec0: c059acf0 c07e0614 00000001 00000000 c059b29c c139ca10 c059b29c c6de6000 # [ 80.158845] 7ee0: b6e0b000 00020000 00000004 0000000a 0001fff6 c6de7ee0 00000001 b6e0a000 # [ 80.167034] 7f00: c69ff680 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 80.175224] 7f20: 00000000 00000000 c139ca10 f121e07c c205e380 c6b06000 c6b06000 c6de6000 # [ 80.183415] 7f40: b6e0b000 00000000 00000000 00000004 c6de7f94 c6de7f60 c059b29c c059abf0 # [ 80.191606] 7f60: 00000000 00000000 c6de7fac f121e07c 0000000a 0000000a b6f52e00 00000004 # [ 80.199796] 7f80: c03002e4 c6de6000 c6de7fa4 c6de7f98 c059b32c c059b234 00000000 c6de7fa8 # [ 80.207984] 7fa0: c03000c0 c059b320 0000000a 0000000a 00000001 b6e0b000 0000000a 00000000 # [ 80.216172] 7fc0: 0000000a 0000000a b6f52e00 00000004 00000001 00000000 00020000 bec20ac4 # [ 80.224360] 7fe0: 00000004 bec207f8 b6ebcd8f b6e437e6 800e0030 00000001 00000000 00000000 # [ 80.232542] Backtrace: # [ 80.235014] [] (execute_location) from [] (lkdtm_EXEC_NULL+0x20/0x24) # [ 80.243205] r7:c6de7f60 r6:0000000a r5:c5815000 r4:00000025 # [ 80.248884] [] (lkdtm_EXEC_NULL) from [] (lkdtm_do_action+0x2c/0x4c) # [ 80.256989] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 80.265012] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 80.272940] r9:c6de7f60 r8:c30e7780 r7:0000000a r6:b6e0b000 r5:c6b06000 r4:c0c53cfc # [ 80.280703] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 80.288543] r9:c07e0608 r8:c6de7f60 r7:c2815800 r6:b6e0b000 r5:c6b06000 r4:00000000 # [ 80.296298] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 80.303445] r10:00000004 r9:00000000 r8:00000000 r7:b6e0b000 r6:c6de6000 r5:c6b06000 # [ 80.311280] r4:c6b06000 # [ 80.313826] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 80.320972] r9:c6de6000 r8:c03002e4 r7:00000004 r6:b6f52e00 r5:0000000a r4:0000000a # [ 80.328729] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 80.336305] Exception stack(0xc6de7fa8 to 0xc6de7ff0) # [ 80.341366] 7fa0: 0000000a 0000000a 00000001 b6e0b000 0000000a 00000000 # [ 80.349554] 7fc0: 0000000a 0000000a b6f52e00 00000004 00000001 00000000 00020000 bec20ac4 # [ 80.357739] 7fe0: 00000004 bec207f8 b6ebcd8f b6e437e6 # [ 80.362804] Code: bad PC value # [ 80.365925] ---[ end trace 10039795b0cb1a51 ]--- # EXEC_NULL: missing 'call trace:': [FAIL] not ok 36 selftests: lkdtm: EXEC_NULL.sh # exit=1 # selftests: lkdtm: ACCESS_USERSPACE.sh [ 81.004122] lkdtm: Performing direct entry ACCESS_USERSPACE [ 81.009832] lkdtm: attempting bad read at b6f16000 [ 81.014745] 8<--- cut here --- [ 81.017832] Unhandled fault: page domain fault (0x01b) at 0xb6f16000 [ 81.024204] pgd = bcb51df5 [ 81.026921] [b6f16000] *pgd=4957b831 [ 81.030519] Internal error: : 1b [#10] SMP ARM [ 81.034972] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display imx_ldb imxdrm etnaviv gpu_sched imx_ipu_v3 [ 81.064052] CPU: 0 PID: 2213 Comm: cat Tainted: G D W 5.10.184-cip36 #1 [ 81.071803] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 81.078350] PC is at lkdtm_ACCESS_USERSPACE+0x114/0x16c [ 81.083596] LR is at __irq_work_queue_local+0x40/0x74 [ 81.088656] pc : [] lr : [] psr: 600e0013 [ 81.094930] sp : c6f73e38 ip : c6f73d40 fp : c6f73e64 [ 81.100161] r10: 00000011 r9 : c1acec58 r8 : c15ead50 [ 81.105395] r7 : c6f73f60 r6 : 00000051 r5 : c6f72000 r4 : b6f16000 [ 81.111930] r3 : 0139272b r2 : 0139272b r1 : ef7815e0 r0 : 00000026 [ 81.118466] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 81.125611] Control: 10c5387d Table: 159b804a DAC: 00000051 [ 81.131366] Process cat (pid: 2213, stack limit = 0x2be07ed8) [ 81.137121] Stack: (0xc6f73e38 to 0xc6f74000) [ 81.141490] 3e20: 00000022 00000000 [ 81.149682] 3e40: 00000000 0139272b c6f73e6c 00000026 c5815000 00000011 c6f73e74 c6f73e68 [ 81.157871] 3e60: c0c5391c c0c547fc c6f73e9c c6f73e78 c0c53e1c c0c538fc c0c53cfc c59a12c0 [ 81.166059] 3e80: b6dd0000 00000011 c30e7780 c6f73f60 c6f73ec4 c6f73ea0 c07e066c c0c53d08 [ 81.174250] 3ea0: 00000000 c59a12c0 b6dd0000 c2815800 c6f73f60 c07e0608 c6f73f5c c6f73ec8 [ 81.182439] 3ec0: c059acf0 c07e0614 00000001 00000000 c059b29c c139ca10 c059b29c c6f72000 [ 81.190627] 3ee0: b6dd0000 00020000 00000004 00000011 0001ffef c6f73ee0 00000001 b6dcf000 [ 81.198815] 3f00: c5b95a40 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 81.207007] 3f20: 00000000 00000000 c139ca10 0139272b c205e380 c59a12c0 c59a12c0 c6f72000 [ 81.215196] 3f40: b6dd0000 00000000 00000000 00000004 c6f73f94 c6f73f60 c059b29c c059abf0 [ 81.223384] 3f60: 00000000 00000000 c6f73fac 0139272b 00000011 00000011 b6f17e00 00000004 [ 81.231571] 3f80: c03002e4 c6f72000 c6f73fa4 c6f73f98 c059b32c c059b234 00000000 c6f73fa8 [ 81.239759] 3fa0: c03000c0 c059b320 00000011 00000011 00000001 b6dd0000 00000011 00000000 [ 81.247947] 3fc0: 00000011 00000011 b6f17e00 00000004 00000001 00000000 00020000 bea7aac4 [ 81.256135] 3fe0: 00000004 bea7a7f8 b6e81d8f b6e087e6 800e0030 00000001 00000000 00000000 [ 81.264316] Backtrace: [ 81.266786] [] (lkdtm_ACCESS_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) [ 81.275497] r6:00000011 r5:c5815000 r4:00000026 [ 81.280130] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 81.288153] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 81.296083] r9:c6f73f60 r8:c30e7780 r7:00000011 r6:b6dd0000 r5:c59a12c0 r4:c0c53cfc [ 81.303847] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 81.311689] r9:c07e0608 r8:c6f73f60 r7:c2815800 r6:b6dd0000 r5:c59a12c0 r4:00000000 [ 81.319445] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 81.326593] r10:00000004 r9:00000000 r8:00000000 r7:b6dd0000 r6:c6f72000 r5:c59a12c0 [ 81.334428] r4:c59a12c0 [ 81.336976] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 81.344122] r9:c6f72000 r8:c03002e4 r7:00000004 r6:b6f17e00 r5:00000011 r4:00000011 [ 81.351883] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 81.359459] Exception stack(0xc6f73fa8 to 0xc6f73ff0) [ 81.364521] 3fa0: 00000011 00000011 00000001 b6dd0000 00000011 00000000 [ 81.372710] 3fc0: 00000011 00000011 b6f17e00 00000004 00000001 00000000 00020000 bea7aac4 [ 81.380894] 3fe0: 00000004 bea7a7f8 b6e81d8f b6e087e6 [ 81.385959] Code: e1a01004 e30f0b7c e34c01ac eb1c9f8e (e5943000) [ 81.392067] ---[ end trace 10039795b0cb1a52 ]--- # Segmentation fault # [ 81.004122] lkdtm: Performing direct entry ACCESS_USERSPACE # [ 81.009832] lkdtm: attempting bad read at b6f16000 # [ 81.014745] 8<--- cut here --- # [ 81.017832] Unhandled fault: page domain fault (0x01b) at 0xb6f16000 # [ 81.024204] pgd = bcb51df5 # [ 81.026921] [b6f16000] *pgd=4957b831 # [ 81.030519] Internal error: : 1b [#10] SMP ARM # [ 81.034972] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display imx_ldb imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 81.064052] CPU: 0 PID: 2213 Comm: cat Tainted: G D W 5.10.184-cip36 #1 # [ 81.071803] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 81.078350] PC is at lkdtm_ACCESS_USERSPACE+0x114/0x16c # [ 81.083596] LR is at __irq_work_queue_local+0x40/0x74 # [ 81.088656] pc : [] lr : [] psr: 600e0013 # [ 81.094930] sp : c6f73e38 ip : c6f73d40 fp : c6f73e64 # [ 81.100161] r10: 00000011 r9 : c1acec58 r8 : c15ead50 # [ 81.105395] r7 : c6f73f60 r6 : 00000051 r5 : c6f72000 r4 : b6f16000 # [ 81.111930] r3 : 0139272b r2 : 0139272b r1 : ef7815e0 r0 : 00000026 # [ 81.118466] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 81.125611] Control: 10c5387d Table: 159b804a DAC: 00000051 # [ 81.131366] Process cat (pid: 2213, stack limit = 0x2be07ed8) # [ 81.137121] Stack: (0xc6f73e38 to 0xc6f74000) # [ 81.141490] 3e20: 00000022 00000000 # [ 81.149682] 3e40: 00000000 0139272b c6f73e6c 00000026 c5815000 00000011 c6f73e74 c6f73e68 # [ 81.157871] 3e60: c0c5391c c0c547fc c6f73e9c c6f73e78 c0c53e1c c0c538fc c0c53cfc c59a12c0 # [ 81.166059] 3e80: b6dd0000 00000011 c30e7780 c6f73f60 c6f73ec4 c6f73ea0 c07e066c c0c53d08 # [ 81.174250] 3ea0: 00000000 c59a12c0 b6dd0000 c2815800 c6f73f60 c07e0608 c6f73f5c c6f73ec8 # [ 81.182439] 3ec0: c059acf0 c07e0614 00000001 00000000 c059b29c c139ca10 c059b29c c6f72000 # [ 81.190627] 3ee0: b6dd0000 00020000 00000004 00000011 0001ffef c6f73ee0 00000001 b6dcf000 # [ 81.198815] 3f00: c5b95a40 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 81.207007] 3f20: 00000000 00000000 c139ca10 0139272b c205e380 c59a12c0 c59a12c0 c6f72000 # [ 81.215196] 3f40: b6dd0000 00000000 00000000 00000004 c6f73f94 c6f73f60 c059b29c c059abf0 # [ 81.223384] 3f60: 00000000 00000000 c6f73fac 0139272b 00000011 00000011 b6f17e00 00000004 # [ 81.231571] 3f80: c03002e4 c6f72000 c6f73fa4 c6f73f98 c059b32c c059b234 00000000 c6f73fa8 # [ 81.239759] 3fa0: c03000c0 c059b320 00000011 00000011 00000001 b6dd0000 00000011 00000000 # [ 81.247947] 3fc0: 00000011 00000011 b6f17e00 00000004 00000001 00000000 00020000 bea7aac4 # [ 81.256135] 3fe0: 00000004 bea7a7f8 b6e81d8f b6e087e6 800e0030 00000001 00000000 00000000 # [ 81.264316] Backtrace: # [ 81.266786] [] (lkdtm_ACCESS_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 81.275497] r6:00000011 r5:c5815000 r4:00000026 # [ 81.280130] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 81.288153] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 81.296083] r9:c6f73f60 r8:c30e7780 r7:00000011 r6:b6dd0000 r5:c59a12c0 r4:c0c53cfc # [ 81.303847] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 81.311689] r9:c07e0608 r8:c6f73f60 r7:c2815800 r6:b6dd0000 r5:c59a12c0 r4:00000000 # [ 81.319445] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 81.326593] r10:00000004 r9:00000000 r8:00000000 r7:b6dd0000 r6:c6f72000 r5:c59a12c0 # [ 81.334428] r4:c59a12c0 # [ 81.336976] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 81.344122] r9:c6f72000 r8:c03002e4 r7:00000004 r6:b6f17e00 r5:00000011 r4:00000011 # [ 81.351883] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 81.359459] Exception stack(0xc6f73fa8 to 0xc6f73ff0) # [ 81.364521] 3fa0: 00000011 00000011 00000001 b6dd0000 00000011 00000000 # [ 81.372710] 3fc0: 00000011 00000011 b6f17e00 00000004 00000001 00000000 00020000 bea7aac4 # [ 81.380894] 3fe0: 00000004 bea7a7f8 b6e81d8f b6e087e6 # [ 81.385959] Code: e1a01004 e30f0b7c e34c01ac eb1c9f8e (e5943000) # [ 81.392067] ---[ end trace 10039795b0cb1a52 ]--- # ACCESS_USERSPACE: missing 'call trace:': [FAIL] not ok 37 selftests: lkdtm: ACCESS_USERSPACE.sh # exit=1 # selftests: lkdtm: ACCESS_NULL.sh [ 81.993041] lkdtm: Performing direct entry ACCESS_NULL [ 81.998235] lkdtm: attempting bad read at 00000000 [ 82.003157] 8<--- cut here --- [ 82.006266] Unable to handle kernel NULL pointer dereference at virtual address 00000000 [ 82.014446] pgd = 23ffdfb7 [ 82.017173] [00000000] *pgd=00000000 [ 82.020851] Internal error: Oops: 5 [#11] SMP ARM [ 82.025571] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display imx_ldb imxdrm etnaviv gpu_sched imx_ipu_v3 [ 82.054642] CPU: 2 PID: 2288 Comm: cat Tainted: G D W 5.10.184-cip36 #1 [ 82.062394] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 82.068946] PC is at lkdtm_ACCESS_NULL+0x28/0x68 [ 82.073585] LR is at __irq_work_queue_local+0x40/0x74 [ 82.078646] pc : [] lr : [] psr: 600e0013 [ 82.084922] sp : c6b67e50 ip : c6b67d58 fp : c6b67e64 [ 82.090154] r10: 0000000c r9 : c1acec6c r8 : c15ead50 [ 82.095386] r7 : c6b67f60 r6 : 0000000c r5 : c5b43000 r4 : 00000000 [ 82.101921] r3 : 1dab4e52 r2 : 1dab4e52 r1 : ef7ab5e0 r0 : 00000026 [ 82.108457] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 82.115600] Control: 10c5387d Table: 169c804a DAC: 00000051 [ 82.121356] Process cat (pid: 2288, stack limit = 0xbfa4ba9b) [ 82.127111] Stack: (0xc6b67e50 to 0xc6b68000) [ 82.131482] 7e40: 00000027 c5b43000 c6b67e74 c6b67e68 [ 82.139673] 7e60: c0c5391c c1387774 c6b67e9c c6b67e78 c0c53e1c c0c538fc c0c53cfc c6a263c0 [ 82.147863] 7e80: b6e2a000 0000000c c30e7780 c6b67f60 c6b67ec4 c6b67ea0 c07e066c c0c53d08 [ 82.156052] 7ea0: 00000000 c6a263c0 b6e2a000 c2815800 c6b67f60 c07e0608 c6b67f5c c6b67ec8 [ 82.164241] 7ec0: c059acf0 c07e0614 00000001 00000000 c059b29c c139ca10 c059b29c c6b66000 [ 82.172429] 7ee0: b6e2a000 00020000 00000004 0000000c 0001fff4 c6b67ee0 00000001 b6e29000 [ 82.180617] 7f00: c59a0a00 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 82.188806] 7f20: 00000000 00000000 c139ca10 1dab4e52 c205e380 c6a263c0 c6a263c0 c6b66000 [ 82.196996] 7f40: b6e2a000 00000000 00000000 00000004 c6b67f94 c6b67f60 c059b29c c059abf0 [ 82.205185] 7f60: 00000000 00000000 c6b67fac 1dab4e52 0000000c 0000000c b6f71e00 00000004 [ 82.213374] 7f80: c03002e4 c6b66000 c6b67fa4 c6b67f98 c059b32c c059b234 00000000 c6b67fa8 [ 82.221562] 7fa0: c03000c0 c059b320 0000000c 0000000c 00000001 b6e2a000 0000000c 00000000 [ 82.229751] 7fc0: 0000000c 0000000c b6f71e00 00000004 00000001 00000000 00020000 be850ac4 [ 82.237939] 7fe0: 00000004 be8507f8 b6edbd8f b6e627e6 800e0030 00000001 00000000 00000000 [ 82.246120] Backtrace: [ 82.248591] [] (lkdtm_ACCESS_NULL) from [] (lkdtm_do_action+0x2c/0x4c) [ 82.256867] r5:c5b43000 r4:00000027 [ 82.260458] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 82.268481] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 82.276411] r9:c6b67f60 r8:c30e7780 r7:0000000c r6:b6e2a000 r5:c6a263c0 r4:c0c53cfc [ 82.284174] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 82.292017] r9:c07e0608 r8:c6b67f60 r7:c2815800 r6:b6e2a000 r5:c6a263c0 r4:00000000 [ 82.299777] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 82.306927] r10:00000004 r9:00000000 r8:00000000 r7:b6e2a000 r6:c6b66000 r5:c6a263c0 [ 82.314765] r4:c6a263c0 [ 82.317314] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 82.324463] r9:c6b66000 r8:c03002e4 r7:00000004 r6:b6f71e00 r5:0000000c r4:0000000c [ 82.332222] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 82.339800] Exception stack(0xc6b67fa8 to 0xc6b67ff0) [ 82.344863] 7fa0: 0000000c 0000000c 00000001 b6e2a000 0000000c 00000000 [ 82.353055] 7fc0: 0000000c 0000000c b6f71e00 00000004 00000001 00000000 00020000 be850ac4 [ 82.361242] 7fe0: 00000004 be8507f8 b6edbd8f b6e627e6 [ 82.366306] Code: e30f0b7c e34c01ac e1a01004 ebffd3eb (e5945000) [ 82.372552] ---[ end trace 10039795b0cb1a53 ]--- # Segmentation fault # [ 81.993041] lkdtm: Performing direct entry ACCESS_NULL # [ 81.998235] lkdtm: attempting bad read at 00000000 # [ 82.003157] 8<--- cut here --- # [ 82.006266] Unable to handle kernel NULL pointer dereference at virtual address 00000000 # [ 82.014446] pgd = 23ffdfb7 # [ 82.017173] [00000000] *pgd=00000000 # [ 82.020851] Internal error: Oops: 5 [#11] SMP ARM # [ 82.025571] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display imx_ldb imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 82.054642] CPU: 2 PID: 2288 Comm: cat Tainted: G D W 5.10.184-cip36 #1 # [ 82.062394] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 82.068946] PC is at lkdtm_ACCESS_NULL+0x28/0x68 # [ 82.073585] LR is at __irq_work_queue_local+0x40/0x74 # [ 82.078646] pc : [] lr : [] psr: 600e0013 # [ 82.084922] sp : c6b67e50 ip : c6b67d58 fp : c6b67e64 # [ 82.090154] r10: 0000000c r9 : c1acec6c r8 : c15ead50 # [ 82.095386] r7 : c6b67f60 r6 : 0000000c r5 : c5b43000 r4 : 00000000 # [ 82.101921] r3 : 1dab4e52 r2 : 1dab4e52 r1 : ef7ab5e0 r0 : 00000026 # [ 82.108457] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 82.115600] Control: 10c5387d Table: 169c804a DAC: 00000051 # [ 82.121356] Process cat (pid: 2288, stack limit = 0xbfa4ba9b) # [ 82.127111] Stack: (0xc6b67e50 to 0xc6b68000) # [ 82.131482] 7e40: 00000027 c5b43000 c6b67e74 c6b67e68 # [ 82.139673] 7e60: c0c5391c c1387774 c6b67e9c c6b67e78 c0c53e1c c0c538fc c0c53cfc c6a263c0 # [ 82.147863] 7e80: b6e2a000 0000000c c30e7780 c6b67f60 c6b67ec4 c6b67ea0 c07e066c c0c53d08 # [ 82.156052] 7ea0: 00000000 c6a263c0 b6e2a000 c2815800 c6b67f60 c07e0608 c6b67f5c c6b67ec8 # [ 82.164241] 7ec0: c059acf0 c07e0614 00000001 00000000 c059b29c c139ca10 c059b29c c6b66000 # [ 82.172429] 7ee0: b6e2a000 00020000 00000004 0000000c 0001fff4 c6b67ee0 00000001 b6e29000 # [ 82.180617] 7f00: c59a0a00 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 82.188806] 7f20: 00000000 00000000 c139ca10 1dab4e52 c205e380 c6a263c0 c6a263c0 c6b66000 # [ 82.196996] 7f40: b6e2a000 00000000 00000000 00000004 c6b67f94 c6b67f60 c059b29c c059abf0 # [ 82.205185] 7f60: 00000000 00000000 c6b67fac 1dab4e52 0000000c 0000000c b6f71e00 00000004 # [ 82.213374] 7f80: c03002e4 c6b66000 c6b67fa4 c6b67f98 c059b32c c059b234 00000000 c6b67fa8 # [ 82.221562] 7fa0: c03000c0 c059b320 0000000c 0000000c 00000001 b6e2a000 0000000c 00000000 # [ 82.229751] 7fc0: 0000000c 0000000c b6f71e00 00000004 00000001 00000000 00020000 be850ac4 # [ 82.237939] 7fe0: 00000004 be8507f8 b6edbd8f b6e627e6 800e0030 00000001 00000000 00000000 # [ 82.246120] Backtrace: # [ 82.248591] [] (lkdtm_ACCESS_NULL) from [] (lkdtm_do_action+0x2c/0x4c) # [ 82.256867] r5:c5b43000 r4:00000027 # [ 82.260458] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 82.268481] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 82.276411] r9:c6b67f60 r8:c30e7780 r7:0000000c r6:b6e2a000 r5:c6a263c0 r4:c0c53cfc # [ 82.284174] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 82.292017] r9:c07e0608 r8:c6b67f60 r7:c2815800 r6:b6e2a000 r5:c6a263c0 r4:00000000 # [ 82.299777] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 82.306927] r10:00000004 r9:00000000 r8:00000000 r7:b6e2a000 r6:c6b66000 r5:c6a263c0 # [ 82.314765] r4:c6a263c0 # [ 82.317314] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 82.324463] r9:c6b66000 r8:c03002e4 r7:00000004 r6:b6f71e00 r5:0000000c r4:0000000c # [ 82.332222] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 82.339800] Exception stack(0xc6b67fa8 to 0xc6b67ff0) # [ 82.344863] 7fa0: 0000000c 0000000c 00000001 b6e2a000 0000000c 00000000 # [ 82.353055] 7fc0: 0000000c 0000000c b6f71e00 00000004 00000001 00000000 00020000 be850ac4 # [ 82.361242] 7fe0: 00000004 be8507f8 b6edbd8f b6e627e6 # [ 82.366306] Code: e30f0b7c e34c01ac e1a01004 ebffd3eb (e5945000) # [ 82.372552] ---[ end trace 10039795b0cb1a53 ]--- # ACCESS_NULL: missing 'call trace:': [FAIL] not ok 38 selftests: lkdtm: ACCESS_NULL.sh # exit=1 # selftests: lkdtm: WRITE_RO.sh [ 82.928048] lkdtm: Performing direct entry WRITE_RO [ 82.933111] lkdtm: attempting bad rodata write at c15eafe8 [ 82.938641] 8<--- cut here --- [ 82.941722] Unable to handle kernel paging request at virtual address c15eafe8 [ 82.948970] pgd = 8a6f5301 [ 82.951700] [c15eafe8] *pgd=1141941e(bad) [ 82.955766] Internal error: Oops: 80d [#12] SMP ARM [ 82.960669] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display imx_ldb imxdrm etnaviv gpu_sched imx_ipu_v3 [ 82.989965] CPU: 2 PID: 2362 Comm: cat Tainted: G D W 5.10.184-cip36 #1 [ 82.997731] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 83.004303] PC is at lkdtm_WRITE_RO+0x44/0x50 [ 83.008688] LR is at 0x0 [ 83.011244] pc : [] lr : [<00000000>] psr: 600e0013 [ 83.017533] sp : c6f73e50 ip : 00000027 fp : c6f73e64 [ 83.022779] r10: 00000009 r9 : c1acec78 r8 : c15ead50 [ 83.028025] r7 : c6f73f60 r6 : 00000009 r5 : c68f6000 r4 : c15eafe8 [ 83.034575] r3 : 0198b861 r2 : aa55aa55 r1 : ef7ab5e4 r0 : c1acfa7c [ 83.041128] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 83.048285] Control: 10c5387d Table: 16c0004a DAC: 00000051 [ 83.054054] Process cat (pid: 2362, stack limit = 0x2be07ed8) [ 83.059824] Stack: (0xc6f73e50 to 0xc6f74000) [ 83.064211] 3e40: 00000028 c68f6000 c6f73e74 c6f73e68 [ 83.072421] 3e60: c0c5391c c1387574 c6f73e9c c6f73e78 c0c53e1c c0c538fc c0c53cfc c59772c0 [ 83.080629] 3e80: b6e1a000 00000009 c30e7780 c6f73f60 c6f73ec4 c6f73ea0 c07e066c c0c53d08 [ 83.088836] 3ea0: 00000000 c59772c0 b6e1a000 c2815800 c6f73f60 c07e0608 c6f73f5c c6f73ec8 [ 83.097044] 3ec0: c059acf0 c07e0614 00000001 00000000 c059b29c c139ca10 c059b29c c6f72000 [ 83.105250] 3ee0: b6e1a000 00020000 00000004 00000009 0001fff7 c6f73ee0 00000001 b6e19000 [ 83.113456] 3f00: c69fe8c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 83.121663] 3f20: 00000000 00000000 c139ca10 6740facd c205e380 c59772c0 c59772c0 c6f72000 [ 83.129871] 3f40: b6e1a000 00000000 00000000 00000004 c6f73f94 c6f73f60 c059b29c c059abf0 [ 83.138079] 3f60: 00000000 00000000 c6f73fac 6740facd 00000009 00000009 b6f61e00 00000004 [ 83.146286] 3f80: c03002e4 c6f72000 c6f73fa4 c6f73f98 c059b32c c059b234 00000000 c6f73fa8 [ 83.154493] 3fa0: c03000c0 c059b320 00000009 00000009 00000001 b6e1a000 00000009 00000000 [ 83.162701] 3fc0: 00000009 00000009 b6f61e00 00000004 00000001 00000000 00020000 bea68ac4 [ 83.170907] 3fe0: 00000004 bea687f8 b6ecbd8f b6e527e6 800e0030 00000001 00000000 00000000 [ 83.179102] Backtrace: [ 83.181605] [] (lkdtm_WRITE_RO) from [] (lkdtm_do_action+0x2c/0x4c) [ 83.189636] r5:c68f6000 r4:00000028 [ 83.193247] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 83.201294] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 83.209243] r9:c6f73f60 r8:c30e7780 r7:00000009 r6:b6e1a000 r5:c59772c0 r4:c0c53cfc [ 83.217028] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 83.224890] r9:c07e0608 r8:c6f73f60 r7:c2815800 r6:b6e1a000 r5:c59772c0 r4:00000000 [ 83.232666] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 83.239834] r10:00000004 r9:00000000 r8:00000000 r7:b6e1a000 r6:c6f72000 r5:c59772c0 [ 83.247682] r4:c59772c0 [ 83.250247] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 83.257413] r9:c6f72000 r8:c03002e4 r7:00000004 r6:b6f61e00 r5:00000009 r4:00000009 [ 83.265193] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 83.272784] Exception stack(0xc6f73fa8 to 0xc6f73ff0) [ 83.277863] 3fa0: 00000009 00000009 00000001 b6e1a000 00000009 00000000 [ 83.286070] 3fc0: 00000009 00000009 b6f61e00 00000004 00000001 00000000 00020000 bea68ac4 [ 83.294272] 3fe0: 00000004 bea687f8 b6ecbd8f b6e527e6 [ 83.299353] Code: e34a3bcd e30f0a7c e34c01ac e0233002 (e5843000) [ 83.305480] ---[ end trace 10039795b0cb1a54 ]--- # Segmentation fault # [ 82.928048] lkdtm: Performing direct entry WRITE_RO # [ 82.933111] lkdtm: attempting bad rodata write at c15eafe8 # [ 82.938641] 8<--- cut here --- # [ 82.941722] Unable to handle kernel paging request at virtual address c15eafe8 # [ 82.948970] pgd = 8a6f5301 # [ 82.951700] [c15eafe8] *pgd=1141941e(bad) # [ 82.955766] Internal error: Oops: 80d [#12] SMP ARM # [ 82.960669] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display imx_ldb imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 82.989965] CPU: 2 PID: 2362 Comm: cat Tainted: G D W 5.10.184-cip36 #1 # [ 82.997731] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 83.004303] PC is at lkdtm_WRITE_RO+0x44/0x50 # [ 83.008688] LR is at 0x0 # [ 83.011244] pc : [] lr : [<00000000>] psr: 600e0013 # [ 83.017533] sp : c6f73e50 ip : 00000027 fp : c6f73e64 # [ 83.022779] r10: 00000009 r9 : c1acec78 r8 : c15ead50 # [ 83.028025] r7 : c6f73f60 r6 : 00000009 r5 : c68f6000 r4 : c15eafe8 # [ 83.034575] r3 : 0198b861 r2 : aa55aa55 r1 : ef7ab5e4 r0 : c1acfa7c # [ 83.041128] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 83.048285] Control: 10c5387d Table: 16c0004a DAC: 00000051 # [ 83.054054] Process cat (pid: 2362, stack limit = 0x2be07ed8) # [ 83.059824] Stack: (0xc6f73e50 to 0xc6f74000) # [ 83.064211] 3e40: 00000028 c68f6000 c6f73e74 c6f73e68 # [ 83.072421] 3e60: c0c5391c c1387574 c6f73e9c c6f73e78 c0c53e1c c0c538fc c0c53cfc c59772c0 # [ 83.080629] 3e80: b6e1a000 00000009 c30e7780 c6f73f60 c6f73ec4 c6f73ea0 c07e066c c0c53d08 # [ 83.088836] 3ea0: 00000000 c59772c0 b6e1a000 c2815800 c6f73f60 c07e0608 c6f73f5c c6f73ec8 # [ 83.097044] 3ec0: c059acf0 c07e0614 00000001 00000000 c059b29c c139ca10 c059b29c c6f72000 # [ 83.105250] 3ee0: b6e1a000 00020000 00000004 00000009 0001fff7 c6f73ee0 00000001 b6e19000 # [ 83.113456] 3f00: c69fe8c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 83.121663] 3f20: 00000000 00000000 c139ca10 6740facd c205e380 c59772c0 c59772c0 c6f72000 # [ 83.129871] 3f40: b6e1a000 00000000 00000000 00000004 c6f73f94 c6f73f60 c059b29c c059abf0 # [ 83.138079] 3f60: 00000000 00000000 c6f73fac 6740facd 00000009 00000009 b6f61e00 00000004 # [ 83.146286] 3f80: c03002e4 c6f72000 c6f73fa4 c6f73f98 c059b32c c059b234 00000000 c6f73fa8 # [ 83.154493] 3fa0: c03000c0 c059b320 00000009 00000009 00000001 b6e1a000 00000009 00000000 # [ 83.162701] 3fc0: 00000009 00000009 b6f61e00 00000004 00000001 00000000 00020000 bea68ac4 # [ 83.170907] 3fe0: 00000004 bea687f8 b6ecbd8f b6e527e6 800e0030 00000001 00000000 00000000 # [ 83.179102] Backtrace: # [ 83.181605] [] (lkdtm_WRITE_RO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 83.189636] r5:c68f6000 r4:00000028 # [ 83.193247] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 83.201294] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 83.209243] r9:c6f73f60 r8:c30e7780 r7:00000009 r6:b6e1a000 r5:c59772c0 r4:c0c53cfc # [ 83.217028] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 83.224890] r9:c07e0608 r8:c6f73f60 r7:c2815800 r6:b6e1a000 r5:c59772c0 r4:00000000 # [ 83.232666] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 83.239834] r10:00000004 r9:00000000 r8:00000000 r7:b6e1a000 r6:c6f72000 r5:c59772c0 # [ 83.247682] r4:c59772c0 # [ 83.250247] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 83.257413] r9:c6f72000 r8:c03002e4 r7:00000004 r6:b6f61e00 r5:00000009 r4:00000009 # [ 83.265193] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 83.272784] Exception stack(0xc6f73fa8 to 0xc6f73ff0) # [ 83.277863] 3fa0: 00000009 00000009 00000001 b6e1a000 00000009 00000000 # [ 83.286070] 3fc0: 00000009 00000009 b6f61e00 00000004 00000001 00000000 00020000 bea68ac4 # [ 83.294272] 3fe0: 00000004 bea687f8 b6ecbd8f b6e527e6 # [ 83.299353] Code: e34a3bcd e30f0a7c e34c01ac e0233002 (e5843000) # [ 83.305480] ---[ end trace 10039795b0cb1a54 ]--- # WRITE_RO: missing 'call trace:': [FAIL] not ok 39 selftests: lkdtm: WRITE_RO.sh # exit=1 # selftests: lkdtm: WRITE_RO_AFTER_INIT.sh [ 83.884216] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT [ 83.890200] lkdtm: attempting bad ro_after_init write at c1b80c60 [ 83.896334] 8<--- cut here --- [ 83.899412] Unable to handle kernel paging request at virtual address c1b80c60 [ 83.906652] pgd = 97794b7b [ 83.909368] [c1b80c60] *pgd=11a1941e(bad) [ 83.913402] Internal error: Oops: 80d [#13] SMP ARM [ 83.918291] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display imx_ldb imxdrm etnaviv gpu_sched imx_ipu_v3 [ 83.947372] CPU: 3 PID: 2436 Comm: cat Tainted: G D W 5.10.184-cip36 #1 [ 83.955122] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 83.961672] PC is at lkdtm_WRITE_RO_AFTER_INIT+0x64/0x70 [ 83.966995] LR is at 0x0 [ 83.969538] pc : [] lr : [<00000000>] psr: 600e0013 [ 83.975811] sp : c5d27e50 ip : 00000027 fp : c5d27e64 [ 83.981045] r10: 00000014 r9 : c1acec84 r8 : c15ead50 [ 83.986278] r7 : c5d27f60 r6 : 00000014 r5 : c5acc000 r4 : c1b80c60 [ 83.992812] r3 : fe67479e r2 : 55aa55aa r1 : ef7c05e4 r0 : c1acfa7c [ 83.999348] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 84.006491] Control: 10c5387d Table: 168d004a DAC: 00000051 [ 84.012248] Process cat (pid: 2436, stack limit = 0x646d7fe8) [ 84.018002] Stack: (0xc5d27e50 to 0xc5d28000) [ 84.022371] 7e40: 00000029 c5acc000 c5d27e74 c5d27e68 [ 84.030562] 7e60: c0c5391c c13875c4 c5d27e9c c5d27e78 c0c53e1c c0c538fc c0c53cfc c5ae3a40 [ 84.038751] 7e80: b6e70000 00000014 c30e7780 c5d27f60 c5d27ec4 c5d27ea0 c07e066c c0c53d08 [ 84.046939] 7ea0: 00000000 c5ae3a40 b6e70000 c2815800 c5d27f60 c07e0608 c5d27f5c c5d27ec8 [ 84.055129] 7ec0: c059acf0 c07e0614 00000001 00000000 c059b29c c139ca10 c059b29c c5d26000 [ 84.063316] 7ee0: b6e70000 00020000 00000004 00000014 0001ffec c5d27ee0 00000001 b6e6f000 [ 84.071504] 7f00: c6b07900 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 84.079694] 7f20: 00000000 00000000 c139ca10 b90a72a6 c205e380 c5ae3a40 c5ae3a40 c5d26000 [ 84.087881] 7f40: b6e70000 00000000 00000000 00000004 c5d27f94 c5d27f60 c059b29c c059abf0 [ 84.096070] 7f60: 00000000 00000000 c5d27fac b90a72a6 00000014 00000014 b6fb7e00 00000004 [ 84.104260] 7f80: c03002e4 c5d26000 c5d27fa4 c5d27f98 c059b32c c059b234 00000000 c5d27fa8 [ 84.112447] 7fa0: c03000c0 c059b320 00000014 00000014 00000001 b6e70000 00000014 00000000 [ 84.120637] 7fc0: 00000014 00000014 b6fb7e00 00000004 00000001 00000000 00020000 be8a4ac4 [ 84.128825] 7fe0: 00000004 be8a47f8 b6f21d8f b6ea87e6 800e0030 00000001 00000000 00000000 [ 84.137007] Backtrace: [ 84.139482] [] (lkdtm_WRITE_RO_AFTER_INIT) from [] (lkdtm_do_action+0x2c/0x4c) [ 84.148450] r5:c5acc000 r4:00000029 [ 84.152040] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 84.160064] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 84.167994] r9:c5d27f60 r8:c30e7780 r7:00000014 r6:b6e70000 r5:c5ae3a40 r4:c0c53cfc [ 84.175757] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 84.183599] r9:c07e0608 r8:c5d27f60 r7:c2815800 r6:b6e70000 r5:c5ae3a40 r4:00000000 [ 84.191354] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 84.198502] r10:00000004 r9:00000000 r8:00000000 r7:b6e70000 r6:c5d26000 r5:c5ae3a40 [ 84.206338] r4:c5ae3a40 [ 84.208886] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 84.216032] r9:c5d26000 r8:c03002e4 r7:00000004 r6:b6fb7e00 r5:00000014 r4:00000014 [ 84.223792] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 84.231368] Exception stack(0xc5d27fa8 to 0xc5d27ff0) [ 84.236430] 7fa0: 00000014 00000014 00000001 b6e70000 00000014 00000000 [ 84.244620] 7fc0: 00000014 00000014 b6fb7e00 00000004 00000001 00000000 00020000 be8a4ac4 [ 84.252805] 7fe0: 00000004 be8a47f8 b6f21d8f b6ea87e6 [ 84.257869] Code: e34a3bcd e30f0a7c e34c01ac e0233002 (e5843000) [ 84.263977] ---[ end trace 10039795b0cb1a55 ]--- # Segmentation fault # [ 83.884216] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT # [ 83.890200] lkdtm: attempting bad ro_after_init write at c1b80c60 # [ 83.896334] 8<--- cut here --- # [ 83.899412] Unable to handle kernel paging request at virtual address c1b80c60 # [ 83.906652] pgd = 97794b7b # [ 83.909368] [c1b80c60] *pgd=11a1941e(bad) # [ 83.913402] Internal error: Oops: 80d [#13] SMP ARM # [ 83.918291] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display imx_ldb imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 83.947372] CPU: 3 PID: 2436 Comm: cat Tainted: G D W 5.10.184-cip36 #1 # [ 83.955122] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 83.961672] PC is at lkdtm_WRITE_RO_AFTER_INIT+0x64/0x70 # [ 83.966995] LR is at 0x0 # [ 83.969538] pc : [] lr : [<00000000>] psr: 600e0013 # [ 83.975811] sp : c5d27e50 ip : 00000027 fp : c5d27e64 # [ 83.981045] r10: 00000014 r9 : c1acec84 r8 : c15ead50 # [ 83.986278] r7 : c5d27f60 r6 : 00000014 r5 : c5acc000 r4 : c1b80c60 # [ 83.992812] r3 : fe67479e r2 : 55aa55aa r1 : ef7c05e4 r0 : c1acfa7c # [ 83.999348] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 84.006491] Control: 10c5387d Table: 168d004a DAC: 00000051 # [ 84.012248] Process cat (pid: 2436, stack limit = 0x646d7fe8) # [ 84.018002] Stack: (0xc5d27e50 to 0xc5d28000) # [ 84.022371] 7e40: 00000029 c5acc000 c5d27e74 c5d27e68 # [ 84.030562] 7e60: c0c5391c c13875c4 c5d27e9c c5d27e78 c0c53e1c c0c538fc c0c53cfc c5ae3a40 # [ 84.038751] 7e80: b6e70000 00000014 c30e7780 c5d27f60 c5d27ec4 c5d27ea0 c07e066c c0c53d08 # [ 84.046939] 7ea0: 00000000 c5ae3a40 b6e70000 c2815800 c5d27f60 c07e0608 c5d27f5c c5d27ec8 # [ 84.055129] 7ec0: c059acf0 c07e0614 00000001 00000000 c059b29c c139ca10 c059b29c c5d26000 # [ 84.063316] 7ee0: b6e70000 00020000 00000004 00000014 0001ffec c5d27ee0 00000001 b6e6f000 # [ 84.071504] 7f00: c6b07900 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 84.079694] 7f20: 00000000 00000000 c139ca10 b90a72a6 c205e380 c5ae3a40 c5ae3a40 c5d26000 # [ 84.087881] 7f40: b6e70000 00000000 00000000 00000004 c5d27f94 c5d27f60 c059b29c c059abf0 # [ 84.096070] 7f60: 00000000 00000000 c5d27fac b90a72a6 00000014 00000014 b6fb7e00 00000004 # [ 84.104260] 7f80: c03002e4 c5d26000 c5d27fa4 c5d27f98 c059b32c c059b234 00000000 c5d27fa8 # [ 84.112447] 7fa0: c03000c0 c059b320 00000014 00000014 00000001 b6e70000 00000014 00000000 # [ 84.120637] 7fc0: 00000014 00000014 b6fb7e00 00000004 00000001 00000000 00020000 be8a4ac4 # [ 84.128825] 7fe0: 00000004 be8a47f8 b6f21d8f b6ea87e6 800e0030 00000001 00000000 00000000 # [ 84.137007] Backtrace: # [ 84.139482] [] (lkdtm_WRITE_RO_AFTER_INIT) from [] (lkdtm_do_action+0x2c/0x4c) # [ 84.148450] r5:c5acc000 r4:00000029 # [ 84.152040] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 84.160064] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 84.167994] r9:c5d27f60 r8:c30e7780 r7:00000014 r6:b6e70000 r5:c5ae3a40 r4:c0c53cfc # [ 84.175757] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 84.183599] r9:c07e0608 r8:c5d27f60 r7:c2815800 r6:b6e70000 r5:c5ae3a40 r4:00000000 # [ 84.191354] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 84.198502] r10:00000004 r9:00000000 r8:00000000 r7:b6e70000 r6:c5d26000 r5:c5ae3a40 # [ 84.206338] r4:c5ae3a40 # [ 84.208886] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 84.216032] r9:c5d26000 r8:c03002e4 r7:00000004 r6:b6fb7e00 r5:00000014 r4:00000014 # [ 84.223792] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 84.231368] Exception stack(0xc5d27fa8 to 0xc5d27ff0) # [ 84.236430] 7fa0: 00000014 00000014 00000001 b6e70000 00000014 00000000 # [ 84.244620] 7fc0: 00000014 00000014 b6fb7e00 00000004 00000001 00000000 00020000 be8a4ac4 # [ 84.252805] 7fe0: 00000004 be8a47f8 b6f21d8f b6ea87e6 # [ 84.257869] Code: e34a3bcd e30f0a7c e34c01ac e0233002 (e5843000) # [ 84.263977] ---[ end trace 10039795b0cb1a55 ]--- # 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 [ 84.807652] lkdtm: Performing direct entry WRITE_KERN [ 84.812883] lkdtm: attempting bad 7548420 byte write at c1387490 [ 84.818932] 8<--- cut here --- [ 84.822003] Unable to handle kernel paging request at virtual address c1387490 [ 84.829234] pgd = cfd04ecc [ 84.831949] [c1387490] *pgd=1121940e(bad) [ 84.835986] Internal error: Oops: 80d [#14] SMP ARM [ 84.840873] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display imx_ldb imxdrm etnaviv gpu_sched imx_ipu_v3 [ 84.869952] CPU: 1 PID: 2510 Comm: cat Tainted: G D W 5.10.184-cip36 #1 [ 84.877703] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 84.884249] PC is at memcpy+0x50/0x330 [ 84.888011] LR is at 0xe92dd830 [ 84.891160] pc : [] lr : [] psr: 200e0013 [ 84.897435] sp : c6951e2c ip : e1a0c00d fp : c6951e64 [ 84.902666] r10: 0000000b r9 : c1acec98 r8 : e89da800 [ 84.907899] r7 : e8bd4000 r6 : e52de004 r5 : e24cb004 r4 : e92dd800 [ 84.914436] r3 : e1a0c00d r2 : 00732d64 r1 : c0c546ac r0 : c1387490 [ 84.920972] Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 84.928115] Control: 10c5387d Table: 16fd804a DAC: 00000051 [ 84.933869] Process cat (pid: 2510, stack limit = 0x2a84827f) [ 84.939622] Stack: (0xc6951e2c to 0xc6952000) [ 84.943992] 1e20: c0c5468c 00732e04 c6951f60 c15ead50 c1387490 [ 84.952181] 1e40: c1387490 c1387674 0000002a c6b8c000 0000000b c6951f60 c6951e74 c6951e68 [ 84.960369] 1e60: c0c5391c c1387634 c6951e9c c6951e78 c0c53e1c c0c538fc c0c53cfc c69fe140 [ 84.968558] 1e80: b6dfb000 0000000b c30e7780 c6951f60 c6951ec4 c6951ea0 c07e066c c0c53d08 [ 84.976748] 1ea0: 00000000 c69fe140 b6dfb000 c2815800 c6951f60 c07e0608 c6951f5c c6951ec8 [ 84.984938] 1ec0: c059acf0 c07e0614 00000001 00000000 c059b29c c59685e4 c059b29c c6950000 [ 84.993127] 1ee0: b6dfb000 00020000 00000004 0000000b 0001fff5 c6951ee0 00000001 00000805 [ 85.001315] 1f00: c5976140 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 85.009505] 1f20: 00000000 00000000 c6950000 69690cbc b6dfa000 c69fe140 c69fe140 c6950000 [ 85.017694] 1f40: b6dfb000 00000000 00000000 00000004 c6951f94 c6951f60 c059b29c c059abf0 [ 85.025883] 1f60: 00000000 00000000 c6951fac 69690cbc 0000000b 0000000b b6f42e00 00000004 [ 85.034075] 1f80: c03002e4 c6950000 c6951fa4 c6951f98 c059b32c c059b234 00000000 c6951fa8 [ 85.042262] 1fa0: c03000c0 c059b320 0000000b 0000000b 00000001 b6dfb000 0000000b 00000000 [ 85.050451] 1fc0: 0000000b 0000000b b6f42e00 00000004 00000001 00000000 00020000 bedd5ac4 [ 85.058638] 1fe0: 00000004 bedd57f8 b6eacd8f b6e337e6 800e0030 00000001 00000000 00000000 [ 85.066822] Backtrace: [ 85.069300] [] (lkdtm_WRITE_KERN) from [] (lkdtm_do_action+0x2c/0x4c) [ 85.077489] r7:c6951f60 r6:0000000b r5:c6b8c000 r4:0000002a [ 85.083161] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 85.091183] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 85.099110] r9:c6951f60 r8:c30e7780 r7:0000000b r6:b6dfb000 r5:c69fe140 r4:c0c53cfc [ 85.106873] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 85.114716] r9:c07e0608 r8:c6951f60 r7:c2815800 r6:b6dfb000 r5:c69fe140 r4:00000000 [ 85.122471] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 85.129618] r10:00000004 r9:00000000 r8:00000000 r7:b6dfb000 r6:c6950000 r5:c69fe140 [ 85.137453] r4:c69fe140 [ 85.139999] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 85.147145] r9:c6950000 r8:c03002e4 r7:00000004 r6:b6f42e00 r5:0000000b r4:0000000b [ 85.154905] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 85.162481] Exception stack(0xc6951fa8 to 0xc6951ff0) [ 85.167544] 1fa0: 0000000b 0000000b 00000001 b6dfb000 0000000b 00000000 [ 85.175732] 1fc0: 0000000b 0000000b b6f42e00 00000004 00000001 00000000 00020000 bedd5ac4 [ 85.183918] 1fe0: 00000004 bedd57f8 b6eacd8f b6e337e6 [ 85.188982] Code: f5d1f05c f5d1f07c e8b151f8 e2522020 (e8a051f8) [ 85.195090] ---[ end trace 10039795b0cb1a56 ]--- # Segmentation fault # [ 84.807652] lkdtm: Performing direct entry WRITE_KERN # [ 84.812883] lkdtm: attempting bad 7548420 byte write at c1387490 # [ 84.818932] 8<--- cut here --- # [ 84.822003] Unable to handle kernel paging request at virtual address c1387490 # [ 84.829234] pgd = cfd04ecc # [ 84.831949] [c1387490] *pgd=1121940e(bad) # [ 84.835986] Internal error: Oops: 80d [#14] SMP ARM # [ 84.840873] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display imx_ldb imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 84.869952] CPU: 1 PID: 2510 Comm: cat Tainted: G D W 5.10.184-cip36 #1 # [ 84.877703] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 84.884249] PC is at memcpy+0x50/0x330 # [ 84.888011] LR is at 0xe92dd830 # [ 84.891160] pc : [] lr : [] psr: 200e0013 # [ 84.897435] sp : c6951e2c ip : e1a0c00d fp : c6951e64 # [ 84.902666] r10: 0000000b r9 : c1acec98 r8 : e89da800 # [ 84.907899] r7 : e8bd4000 r6 : e52de004 r5 : e24cb004 r4 : e92dd800 # [ 84.914436] r3 : e1a0c00d r2 : 00732d64 r1 : c0c546ac r0 : c1387490 # [ 84.920972] Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 84.928115] Control: 10c5387d Table: 16fd804a DAC: 00000051 # [ 84.933869] Process cat (pid: 2510, stack limit = 0x2a84827f) # [ 84.939622] Stack: (0xc6951e2c to 0xc6952000) # [ 84.943992] 1e20: c0c5468c 00732e04 c6951f60 c15ead50 c1387490 # [ 84.952181] 1e40: c1387490 c1387674 0000002a c6b8c000 0000000b c6951f60 c6951e74 c6951e68 # [ 84.960369] 1e60: c0c5391c c1387634 c6951e9c c6951e78 c0c53e1c c0c538fc c0c53cfc c69fe140 # [ 84.968558] 1e80: b6dfb000 0000000b c30e7780 c6951f60 c6951ec4 c6951ea0 c07e066c c0c53d08 # [ 84.976748] 1ea0: 00000000 c69fe140 b6dfb000 c2815800 c6951f60 c07e0608 c6951f5c c6951ec8 # [ 84.984938] 1ec0: c059acf0 c07e0614 00000001 00000000 c059b29c c59685e4 c059b29c c6950000 # [ 84.993127] 1ee0: b6dfb000 00020000 00000004 0000000b 0001fff5 c6951ee0 00000001 00000805 # [ 85.001315] 1f00: c5976140 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 85.009505] 1f20: 00000000 00000000 c6950000 69690cbc b6dfa000 c69fe140 c69fe140 c6950000 # [ 85.017694] 1f40: b6dfb000 00000000 00000000 00000004 c6951f94 c6951f60 c059b29c c059abf0 # [ 85.025883] 1f60: 00000000 00000000 c6951fac 69690cbc 0000000b 0000000b b6f42e00 00000004 # [ 85.034075] 1f80: c03002e4 c6950000 c6951fa4 c6951f98 c059b32c c059b234 00000000 c6951fa8 # [ 85.042262] 1fa0: c03000c0 c059b320 0000000b 0000000b 00000001 b6dfb000 0000000b 00000000 # [ 85.050451] 1fc0: 0000000b 0000000b b6f42e00 00000004 00000001 00000000 00020000 bedd5ac4 # [ 85.058638] 1fe0: 00000004 bedd57f8 b6eacd8f b6e337e6 800e0030 00000001 00000000 00000000 # [ 85.066822] Backtrace: # [ 85.069300] [] (lkdtm_WRITE_KERN) from [] (lkdtm_do_action+0x2c/0x4c) # [ 85.077489] r7:c6951f60 r6:0000000b r5:c6b8c000 r4:0000002a # [ 85.083161] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 85.091183] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 85.099110] r9:c6951f60 r8:c30e7780 r7:0000000b r6:b6dfb000 r5:c69fe140 r4:c0c53cfc # [ 85.106873] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 85.114716] r9:c07e0608 r8:c6951f60 r7:c2815800 r6:b6dfb000 r5:c69fe140 r4:00000000 # [ 85.122471] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 85.129618] r10:00000004 r9:00000000 r8:00000000 r7:b6dfb000 r6:c6950000 r5:c69fe140 # [ 85.137453] r4:c69fe140 # [ 85.139999] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 85.147145] r9:c6950000 r8:c03002e4 r7:00000004 r6:b6f42e00 r5:0000000b r4:0000000b # [ 85.154905] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 85.162481] Exception stack(0xc6951fa8 to 0xc6951ff0) # [ 85.167544] 1fa0: 0000000b 0000000b 00000001 b6dfb000 0000000b 00000000 # [ 85.175732] 1fc0: 0000000b 0000000b b6f42e00 00000004 00000001 00000000 00020000 bedd5ac4 # [ 85.183918] 1fe0: 00000004 bedd57f8 b6eacd8f b6e337e6 # [ 85.188982] Code: f5d1f05c f5d1f07c e8b151f8 e2522020 (e8a051f8) # [ 85.195090] ---[ end trace 10039795b0cb1a56 ]--- # WRITE_KERN: missing 'call trace:': [FAIL] not ok 41 selftests: lkdtm: WRITE_KERN.sh # exit=1 # selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh [ 85.807861] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW [ 85.814037] lkdtm: attempting good refcount_inc() without overflow [ 85.820333] lkdtm: attempting bad refcount_inc() overflow [ 85.825774] ------------[ cut here ]------------ [ 85.830481] WARNING: CPU: 0 PID: 2585 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 [ 85.838932] refcount_t: saturated; leaking memory. [ 85.843781] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display imx_ldb imxdrm etnaviv gpu_sched imx_ipu_v3 [ 85.873095] CPU: 0 PID: 2585 Comm: cat Tainted: G D W 5.10.184-cip36 #1 [ 85.880848] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 85.887383] Backtrace: [ 85.889860] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 85.897442] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 [ 85.903121] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 85.910449] [] (dump_stack) from [] (__warn+0x98/0x14c) [ 85.917423] r9:00000009 r8:c0873bf0 r7:00000016 r6:00000009 r5:c0873bf0 r4:c1a22f4c [ 85.925180] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 85.932672] r7:00000016 r6:c1a22f4c r5:c1a22f24 r4:c5f74000 [ 85.938344] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) [ 85.947314] r9:c1aceca4 r8:c15ead50 r7:c5f75f60 r6:00000016 r5:c6d88000 r4:c5f74000 [ 85.955078] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) [ 85.964751] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_OVERFLOW+0x78/0x9c) [ 85.974854] [] (lkdtm_REFCOUNT_INC_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) [ 85.983993] r4:0000002b [ 85.986541] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 85.994562] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 86.002491] r9:c5f75f60 r8:c30e7780 r7:00000016 r6:b6e8d000 r5:c59a1040 r4:c0c53cfc [ 86.010253] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 86.018096] r9:c07e0608 r8:c5f75f60 r7:c2815800 r6:b6e8d000 r5:c59a1040 r4:00000000 [ 86.025852] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 86.032999] r10:00000004 r9:00000000 r8:00000000 r7:b6e8d000 r6:c5f74000 r5:c59a1040 [ 86.040834] r4:c59a1040 [ 86.043381] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 86.050531] r9:c5f74000 r8:c03002e4 r7:00000004 r6:b6fd4e00 r5:00000016 r4:00000016 [ 86.058288] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 86.065867] Exception stack(0xc5f75fa8 to 0xc5f75ff0) [ 86.070931] 5fa0: 00000016 00000016 00000001 b6e8d000 00000016 00000000 [ 86.079120] 5fc0: 00000016 00000016 b6fd4e00 00000004 00000001 00000000 00020000 bef21ac4 [ 86.087305] 5fe0: 00000004 bef217f8 b6f3ed8f b6ec57e6 [ 86.092477] irq event stamp: 0 [ 86.095557] hardirqs last enabled at (0): [<00000000>] 0x0 [ 86.101190] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 [ 86.108692] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 [ 86.116251] softirqs last disabled at (0): [<00000000>] 0x0 [ 86.121887] ---[ end trace 10039795b0cb1a57 ]--- [ 86.126521] lkdtm: Overflow detected: saturated # [ 85.807861] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW # [ 85.814037] lkdtm: attempting good refcount_inc() without overflow # [ 85.820333] lkdtm: attempting bad refcount_inc() overflow # [ 85.825774] ------------[ cut here ]------------ # [ 85.830481] WARNING: CPU: 0 PID: 2585 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 85.838932] refcount_t: saturated; leaking memory. # [ 85.843781] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display imx_ldb imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 85.873095] CPU: 0 PID: 2585 Comm: cat Tainted: G D W 5.10.184-cip36 #1 # [ 85.880848] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 85.887383] Backtrace: # [ 85.889860] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 85.897442] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 # [ 85.903121] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 85.910449] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 85.917423] r9:00000009 r8:c0873bf0 r7:00000016 r6:00000009 r5:c0873bf0 r4:c1a22f4c # [ 85.925180] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 85.932672] r7:00000016 r6:c1a22f4c r5:c1a22f24 r4:c5f74000 # [ 85.938344] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 85.947314] r9:c1aceca4 r8:c15ead50 r7:c5f75f60 r6:00000016 r5:c6d88000 r4:c5f74000 # [ 85.955078] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 85.964751] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_OVERFLOW+0x78/0x9c) # [ 85.974854] [] (lkdtm_REFCOUNT_INC_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 85.983993] r4:0000002b # [ 85.986541] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 85.994562] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 86.002491] r9:c5f75f60 r8:c30e7780 r7:00000016 r6:b6e8d000 r5:c59a1040 r4:c0c53cfc # [ 86.010253] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 86.018096] r9:c07e0608 r8:c5f75f60 r7:c2815800 r6:b6e8d000 r5:c59a1040 r4:00000000 # [ 86.025852] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 86.032999] r10:00000004 r9:00000000 r8:00000000 r7:b6e8d000 r6:c5f74000 r5:c59a1040 # [ 86.040834] r4:c59a1040 # [ 86.043381] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 86.050531] r9:c5f74000 r8:c03002e4 r7:00000004 r6:b6fd4e00 r5:00000016 r4:00000016 # [ 86.058288] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 86.065867] Exception stack(0xc5f75fa8 to 0xc5f75ff0) # [ 86.070931] 5fa0: 00000016 00000016 00000001 b6e8d000 00000016 00000000 # [ 86.079120] 5fc0: 00000016 00000016 b6fd4e00 00000004 00000001 00000000 00020000 bef21ac4 # [ 86.087305] 5fe0: 00000004 bef217f8 b6f3ed8f b6ec57e6 # [ 86.092477] irq event stamp: 0 # [ 86.095557] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 86.101190] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 # [ 86.108692] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 # [ 86.116251] softirqs last disabled at (0): [<00000000>] 0x0 # [ 86.121887] ---[ end trace 10039795b0cb1a57 ]--- # [ 86.126521] 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 [ 86.672459] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW [ 86.678491] lkdtm: attempting good refcount_add() without overflow [ 86.684768] lkdtm: attempting bad refcount_add() overflow [ 86.690223] ------------[ cut here ]------------ [ 86.694873] WARNING: CPU: 3 PID: 2619 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 [ 86.703373] refcount_t: saturated; leaking memory. [ 86.708179] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display imx_ldb imxdrm etnaviv gpu_sched imx_ipu_v3 [ 86.737416] CPU: 3 PID: 2619 Comm: cat Tainted: G D W 5.10.184-cip36 #1 [ 86.745169] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 86.751704] Backtrace: [ 86.754182] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 86.761767] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 [ 86.767443] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 86.774773] [] (dump_stack) from [] (__warn+0x98/0x14c) [ 86.781747] r9:00000009 r8:c0873bf0 r7:00000016 r6:00000009 r5:c0873bf0 r4:c1a22f4c [ 86.789504] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 86.796996] r7:00000016 r6:c1a22f4c r5:c1a22f24 r4:c6f72000 [ 86.802668] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) [ 86.811640] r9:c1acecbc r8:c15ead50 r7:c6f73f60 r6:00000016 r5:c5efe000 r4:c6f72000 [ 86.819404] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) [ 86.829080] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_OVERFLOW+0x84/0xa8) [ 86.839182] [] (lkdtm_REFCOUNT_ADD_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) [ 86.848322] r4:0000002c [ 86.850870] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 86.858893] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 86.866823] r9:c6f73f60 r8:c30e7780 r7:00000016 r6:b6e24000 r5:c5a668c0 r4:c0c53cfc [ 86.874585] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 86.882426] r9:c07e0608 r8:c6f73f60 r7:c2815800 r6:b6e24000 r5:c5a668c0 r4:00000000 [ 86.890182] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 86.897329] r10:00000004 r9:00000000 r8:00000000 r7:b6e24000 r6:c6f72000 r5:c5a668c0 [ 86.905163] r4:c5a668c0 [ 86.907709] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 86.914856] r9:c6f72000 r8:c03002e4 r7:00000004 r6:b6f6be00 r5:00000016 r4:00000016 [ 86.922614] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 86.930191] Exception stack(0xc6f73fa8 to 0xc6f73ff0) [ 86.935256] 3fa0: 00000016 00000016 00000001 b6e24000 00000016 00000000 [ 86.943445] 3fc0: 00000016 00000016 b6f6be00 00000004 00000001 00000000 00020000 beebcac4 [ 86.951632] 3fe0: 00000004 beebc7f8 b6ed5d8f b6e5c7e6 [ 86.956767] irq event stamp: 0 [ 86.959846] hardirqs last enabled at (0): [<00000000>] 0x0 [ 86.965475] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 [ 86.973052] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 [ 86.980603] softirqs last disabled at (0): [<00000000>] 0x0 [ 86.986194] ---[ end trace 10039795b0cb1a58 ]--- [ 86.990882] lkdtm: Overflow detected: saturated # [ 86.672459] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW # [ 86.678491] lkdtm: attempting good refcount_add() without overflow # [ 86.684768] lkdtm: attempting bad refcount_add() overflow # [ 86.690223] ------------[ cut here ]------------ # [ 86.694873] WARNING: CPU: 3 PID: 2619 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 86.703373] refcount_t: saturated; leaking memory. # [ 86.708179] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display imx_ldb imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 86.737416] CPU: 3 PID: 2619 Comm: cat Tainted: G D W 5.10.184-cip36 #1 # [ 86.745169] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 86.751704] Backtrace: # [ 86.754182] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 86.761767] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 # [ 86.767443] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 86.774773] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 86.781747] r9:00000009 r8:c0873bf0 r7:00000016 r6:00000009 r5:c0873bf0 r4:c1a22f4c # [ 86.789504] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 86.796996] r7:00000016 r6:c1a22f4c r5:c1a22f24 r4:c6f72000 # [ 86.802668] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 86.811640] r9:c1acecbc r8:c15ead50 r7:c6f73f60 r6:00000016 r5:c5efe000 r4:c6f72000 # [ 86.819404] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 86.829080] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_OVERFLOW+0x84/0xa8) # [ 86.839182] [] (lkdtm_REFCOUNT_ADD_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 86.848322] r4:0000002c # [ 86.850870] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 86.858893] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 86.866823] r9:c6f73f60 r8:c30e7780 r7:00000016 r6:b6e24000 r5:c5a668c0 r4:c0c53cfc # [ 86.874585] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 86.882426] r9:c07e0608 r8:c6f73f60 r7:c2815800 r6:b6e24000 r5:c5a668c0 r4:00000000 # [ 86.890182] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 86.897329] r10:00000004 r9:00000000 r8:00000000 r7:b6e24000 r6:c6f72000 r5:c5a668c0 # [ 86.905163] r4:c5a668c0 # [ 86.907709] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 86.914856] r9:c6f72000 r8:c03002e4 r7:00000004 r6:b6f6be00 r5:00000016 r4:00000016 # [ 86.922614] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 86.930191] Exception stack(0xc6f73fa8 to 0xc6f73ff0) # [ 86.935256] 3fa0: 00000016 00000016 00000001 b6e24000 00000016 00000000 # [ 86.943445] 3fc0: 00000016 00000016 b6f6be00 00000004 00000001 00000000 00020000 beebcac4 # [ 86.951632] 3fe0: 00000004 beebc7f8 b6ed5d8f b6e5c7e6 # [ 86.956767] irq event stamp: 0 # [ 86.959846] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 86.965475] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 # [ 86.973052] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 # [ 86.980603] softirqs last disabled at (0): [<00000000>] 0x0 # [ 86.986194] ---[ end trace 10039795b0cb1a58 ]--- # [ 86.990882] 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 [ 87.516660] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW [ 87.523523] lkdtm: attempting bad refcount_inc_not_zero() overflow [ 87.529718] ------------[ cut here ]------------ [ 87.534433] WARNING: CPU: 3 PID: 2653 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 [ 87.542929] refcount_t: saturated; leaking memory. [ 87.547736] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display imx_ldb imxdrm etnaviv gpu_sched imx_ipu_v3 [ 87.576975] CPU: 3 PID: 2653 Comm: cat Tainted: G D W 5.10.184-cip36 #1 [ 87.584728] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 87.591262] Backtrace: [ 87.593739] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 87.601322] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 [ 87.606999] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 87.614329] [] (dump_stack) from [] (__warn+0x98/0x14c) [ 87.621304] r9:00000009 r8:c0873bbc r7:00000013 r6:00000009 r5:c0873bbc r4:c1a22f4c [ 87.629064] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 87.636556] r7:00000013 r6:c1a22f4c r5:c1a22f24 r4:c69ea000 [ 87.642233] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) [ 87.651203] r9:c1acecd4 r8:c15ead50 r7:c69ebf60 r6:0000001f r5:c6c32000 r4:7fffffff [ 87.658966] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) [ 87.669419] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x50/0x88) [ 87.681075] r5:c6c32000 r4:c69ea000 [ 87.684669] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) [ 87.694590] r4:0000002d [ 87.697137] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 87.705158] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 87.713089] r9:c69ebf60 r8:c30e7780 r7:0000001f r6:b6e73000 r5:c5a66500 r4:c0c53cfc [ 87.720853] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 87.728695] r9:c07e0608 r8:c69ebf60 r7:c2815800 r6:b6e73000 r5:c5a66500 r4:00000000 [ 87.736451] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 87.743597] r10:00000004 r9:00000000 r8:00000000 r7:b6e73000 r6:c69ea000 r5:c5a66500 [ 87.751432] r4:c5a66500 [ 87.753978] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 87.761125] r9:c69ea000 r8:c03002e4 r7:00000004 r6:b6fbae00 r5:0000001f r4:0000001f [ 87.768884] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 87.776461] Exception stack(0xc69ebfa8 to 0xc69ebff0) [ 87.781524] bfa0: 0000001f 0000001f 00000001 b6e73000 0000001f 00000000 [ 87.789712] bfc0: 0000001f 0000001f b6fbae00 00000004 00000001 00000000 00020000 bec05ac4 [ 87.797898] bfe0: 00000004 bec057f8 b6f24d8f b6eab7e6 [ 87.803023] irq event stamp: 0 [ 87.806103] hardirqs last enabled at (0): [<00000000>] 0x0 [ 87.811728] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 [ 87.819248] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 [ 87.826797] softirqs last disabled at (0): [<00000000>] 0x0 [ 87.832424] ---[ end trace 10039795b0cb1a59 ]--- [ 87.837061] lkdtm: Overflow detected: saturated # [ 87.516660] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 87.523523] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 87.529718] ------------[ cut here ]------------ # [ 87.534433] WARNING: CPU: 3 PID: 2653 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 87.542929] refcount_t: saturated; leaking memory. # [ 87.547736] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display imx_ldb imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 87.576975] CPU: 3 PID: 2653 Comm: cat Tainted: G D W 5.10.184-cip36 #1 # [ 87.584728] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 87.591262] Backtrace: # [ 87.593739] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 87.601322] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 # [ 87.606999] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 87.614329] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 87.621304] r9:00000009 r8:c0873bbc r7:00000013 r6:00000009 r5:c0873bbc r4:c1a22f4c # [ 87.629064] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 87.636556] r7:00000013 r6:c1a22f4c r5:c1a22f24 r4:c69ea000 # [ 87.642233] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 87.651203] r9:c1acecd4 r8:c15ead50 r7:c69ebf60 r6:0000001f r5:c6c32000 r4:7fffffff # [ 87.658966] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 87.669419] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x50/0x88) # [ 87.681075] r5:c6c32000 r4:c69ea000 # [ 87.684669] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 87.694590] r4:0000002d # [ 87.697137] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 87.705158] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 87.713089] r9:c69ebf60 r8:c30e7780 r7:0000001f r6:b6e73000 r5:c5a66500 r4:c0c53cfc # [ 87.720853] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 87.728695] r9:c07e0608 r8:c69ebf60 r7:c2815800 r6:b6e73000 r5:c5a66500 r4:00000000 # [ 87.736451] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 87.743597] r10:00000004 r9:00000000 r8:00000000 r7:b6e73000 r6:c69ea000 r5:c5a66500 # [ 87.751432] r4:c5a66500 # [ 87.753978] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 87.761125] r9:c69ea000 r8:c03002e4 r7:00000004 r6:b6fbae00 r5:0000001f r4:0000001f # [ 87.768884] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 87.776461] Exception stack(0xc69ebfa8 to 0xc69ebff0) # [ 87.781524] bfa0: 0000001f 0000001f 00000001 b6e73000 0000001f 00000000 # [ 87.789712] bfc0: 0000001f 0000001f b6fbae00 00000004 00000001 00000000 00020000 bec05ac4 # [ 87.797898] bfe0: 00000004 bec057f8 b6f24d8f b6eab7e6 # [ 87.803023] irq event stamp: 0 # [ 87.806103] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 87.811728] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 # [ 87.819248] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 # [ 87.826797] softirqs last disabled at (0): [<00000000>] 0x0 # [ 87.832424] ---[ end trace 10039795b0cb1a59 ]--- # [ 87.837061] 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 [ 88.373536] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW [ 88.380396] lkdtm: attempting bad refcount_add_not_zero() overflow [ 88.386592] ------------[ cut here ]------------ [ 88.391284] WARNING: CPU: 1 PID: 2687 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 [ 88.399736] refcount_t: saturated; leaking memory. [ 88.404597] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display imx_ldb imxdrm etnaviv gpu_sched imx_ipu_v3 [ 88.433814] CPU: 1 PID: 2687 Comm: cat Tainted: G D W 5.10.184-cip36 #1 [ 88.441568] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 88.448104] Backtrace: [ 88.450581] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 88.458166] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 [ 88.463845] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 88.471172] [] (dump_stack) from [] (__warn+0x98/0x14c) [ 88.478149] r9:00000009 r8:c0873bbc r7:00000013 r6:00000009 r5:c0873bbc r4:c1a22f4c [ 88.485906] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 88.493400] r7:00000013 r6:c1a22f4c r5:c1a22f24 r4:c6f72000 [ 88.499075] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) [ 88.508045] r9:c1acecf4 r8:c15ead50 r7:c6f73f60 r6:0000001f r5:c6d82000 r4:7fffffff [ 88.515808] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) [ 88.526260] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x50/0x88) [ 88.537918] r5:c6d82000 r4:c6f72000 [ 88.541511] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) [ 88.551432] r4:0000002e [ 88.553980] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 88.562002] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 88.569933] r9:c6f73f60 r8:c30e7780 r7:0000001f r6:b6e3e000 r5:c59c7400 r4:c0c53cfc [ 88.577695] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 88.585536] r9:c07e0608 r8:c6f73f60 r7:c2815800 r6:b6e3e000 r5:c59c7400 r4:00000000 [ 88.593292] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 88.600440] r10:00000004 r9:00000000 r8:00000000 r7:b6e3e000 r6:c6f72000 r5:c59c7400 [ 88.608275] r4:c59c7400 [ 88.610821] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 88.617967] r9:c6f72000 r8:c03002e4 r7:00000004 r6:b6f85e00 r5:0000001f r4:0000001f [ 88.625726] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 88.633304] Exception stack(0xc6f73fa8 to 0xc6f73ff0) [ 88.638369] 3fa0: 0000001f 0000001f 00000001 b6e3e000 0000001f 00000000 [ 88.646559] 3fc0: 0000001f 0000001f b6f85e00 00000004 00000001 00000000 00020000 bed8cac4 [ 88.654746] 3fe0: 00000004 bed8c7f8 b6eefd8f b6e767e6 [ 88.659874] irq event stamp: 0 [ 88.662980] hardirqs last enabled at (0): [<00000000>] 0x0 [ 88.668575] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 [ 88.676118] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 [ 88.683683] softirqs last disabled at (0): [<00000000>] 0x0 [ 88.689275] ---[ end trace 10039795b0cb1a5a ]--- [ 88.693957] lkdtm: Overflow detected: saturated # [ 88.373536] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 88.380396] lkdtm: attempting bad refcount_add_not_zero() overflow # [ 88.386592] ------------[ cut here ]------------ # [ 88.391284] WARNING: CPU: 1 PID: 2687 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 88.399736] refcount_t: saturated; leaking memory. # [ 88.404597] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display imx_ldb imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 88.433814] CPU: 1 PID: 2687 Comm: cat Tainted: G D W 5.10.184-cip36 #1 # [ 88.441568] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 88.448104] Backtrace: # [ 88.450581] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 88.458166] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 # [ 88.463845] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 88.471172] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 88.478149] r9:00000009 r8:c0873bbc r7:00000013 r6:00000009 r5:c0873bbc r4:c1a22f4c # [ 88.485906] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 88.493400] r7:00000013 r6:c1a22f4c r5:c1a22f24 r4:c6f72000 # [ 88.499075] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 88.508045] r9:c1acecf4 r8:c15ead50 r7:c6f73f60 r6:0000001f r5:c6d82000 r4:7fffffff # [ 88.515808] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 88.526260] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x50/0x88) # [ 88.537918] r5:c6d82000 r4:c6f72000 # [ 88.541511] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 88.551432] r4:0000002e # [ 88.553980] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 88.562002] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 88.569933] r9:c6f73f60 r8:c30e7780 r7:0000001f r6:b6e3e000 r5:c59c7400 r4:c0c53cfc # [ 88.577695] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 88.585536] r9:c07e0608 r8:c6f73f60 r7:c2815800 r6:b6e3e000 r5:c59c7400 r4:00000000 # [ 88.593292] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 88.600440] r10:00000004 r9:00000000 r8:00000000 r7:b6e3e000 r6:c6f72000 r5:c59c7400 # [ 88.608275] r4:c59c7400 # [ 88.610821] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 88.617967] r9:c6f72000 r8:c03002e4 r7:00000004 r6:b6f85e00 r5:0000001f r4:0000001f # [ 88.625726] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 88.633304] Exception stack(0xc6f73fa8 to 0xc6f73ff0) # [ 88.638369] 3fa0: 0000001f 0000001f 00000001 b6e3e000 0000001f 00000000 # [ 88.646559] 3fc0: 0000001f 0000001f b6f85e00 00000004 00000001 00000000 00020000 bed8cac4 # [ 88.654746] 3fe0: 00000004 bed8c7f8 b6eefd8f b6e767e6 # [ 88.659874] irq event stamp: 0 # [ 88.662980] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 88.668575] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 # [ 88.676118] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 # [ 88.683683] softirqs last disabled at (0): [<00000000>] 0x0 # [ 88.689275] ---[ end trace 10039795b0cb1a5a ]--- # [ 88.693957] 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 [ 89.244379] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO [ 89.250065] lkdtm: attempting good refcount_dec() [ 89.254857] lkdtm: attempting bad refcount_dec() to zero [ 89.260229] ------------[ cut here ]------------ [ 89.264878] WARNING: CPU: 3 PID: 2721 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 [ 89.273385] refcount_t: decrement hit 0; leaking memory. [ 89.278710] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display imx_ldb imxdrm etnaviv gpu_sched imx_ipu_v3 [ 89.307943] CPU: 3 PID: 2721 Comm: cat Tainted: G D W 5.10.184-cip36 #1 [ 89.315697] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 89.322233] Backtrace: [ 89.324709] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 89.332291] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 [ 89.337969] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 89.345297] [] (dump_stack) from [] (__warn+0x98/0x14c) [ 89.352271] r9:00000009 r8:c0873b88 r7:0000001f r6:00000009 r5:c0873b88 r4:c1a22f4c [ 89.360030] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 89.367524] r7:0000001f r6:c1a22f4c r5:c1a22fb0 r4:c6b62000 [ 89.373198] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) [ 89.382170] r9:c1aced14 r8:c15ead50 r7:c6b63f60 r6:00000012 r5:c6c32000 r4:c6b62000 [ 89.389933] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) [ 89.399605] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_ZERO+0x5c/0xd8) [ 89.409360] [] (lkdtm_REFCOUNT_DEC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) [ 89.418152] r4:0000002f [ 89.420699] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 89.428721] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 89.436649] r9:c6b63f60 r8:c30e7780 r7:00000012 r6:b6e53000 r5:c5a67400 r4:c0c53cfc [ 89.444410] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 89.452252] r9:c07e0608 r8:c6b63f60 r7:c2815800 r6:b6e53000 r5:c5a67400 r4:00000000 [ 89.460009] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 89.467157] r10:00000004 r9:00000000 r8:00000000 r7:b6e53000 r6:c6b62000 r5:c5a67400 [ 89.474994] r4:c5a67400 [ 89.477539] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 89.484685] r9:c6b62000 r8:c03002e4 r7:00000004 r6:b6f9ae00 r5:00000012 r4:00000012 [ 89.492443] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 89.500021] Exception stack(0xc6b63fa8 to 0xc6b63ff0) [ 89.505086] 3fa0: 00000012 00000012 00000001 b6e53000 00000012 00000000 [ 89.513276] 3fc0: 00000012 00000012 b6f9ae00 00000004 00000001 00000000 00020000 be916ac4 [ 89.521461] 3fe0: 00000004 be9167f8 b6f04d8f b6e8b7e6 [ 89.526592] irq event stamp: 0 [ 89.529669] hardirqs last enabled at (0): [<00000000>] 0x0 [ 89.535293] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 [ 89.542844] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 [ 89.550411] softirqs last disabled at (0): [<00000000>] 0x0 [ 89.556010] ---[ end trace 10039795b0cb1a5b ]--- [ 89.560679] lkdtm: Zero detected: saturated # [ 89.244379] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO # [ 89.250065] lkdtm: attempting good refcount_dec() # [ 89.254857] lkdtm: attempting bad refcount_dec() to zero # [ 89.260229] ------------[ cut here ]------------ # [ 89.264878] WARNING: CPU: 3 PID: 2721 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 # [ 89.273385] refcount_t: decrement hit 0; leaking memory. # [ 89.278710] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display imx_ldb imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 89.307943] CPU: 3 PID: 2721 Comm: cat Tainted: G D W 5.10.184-cip36 #1 # [ 89.315697] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 89.322233] Backtrace: # [ 89.324709] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 89.332291] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 # [ 89.337969] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 89.345297] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 89.352271] r9:00000009 r8:c0873b88 r7:0000001f r6:00000009 r5:c0873b88 r4:c1a22f4c # [ 89.360030] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 89.367524] r7:0000001f r6:c1a22f4c r5:c1a22fb0 r4:c6b62000 # [ 89.373198] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) # [ 89.382170] r9:c1aced14 r8:c15ead50 r7:c6b63f60 r6:00000012 r5:c6c32000 r4:c6b62000 # [ 89.389933] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) # [ 89.399605] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_ZERO+0x5c/0xd8) # [ 89.409360] [] (lkdtm_REFCOUNT_DEC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 89.418152] r4:0000002f # [ 89.420699] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 89.428721] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 89.436649] r9:c6b63f60 r8:c30e7780 r7:00000012 r6:b6e53000 r5:c5a67400 r4:c0c53cfc # [ 89.444410] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 89.452252] r9:c07e0608 r8:c6b63f60 r7:c2815800 r6:b6e53000 r5:c5a67400 r4:00000000 # [ 89.460009] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 89.467157] r10:00000004 r9:00000000 r8:00000000 r7:b6e53000 r6:c6b62000 r5:c5a67400 # [ 89.474994] r4:c5a67400 # [ 89.477539] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 89.484685] r9:c6b62000 r8:c03002e4 r7:00000004 r6:b6f9ae00 r5:00000012 r4:00000012 # [ 89.492443] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 89.500021] Exception stack(0xc6b63fa8 to 0xc6b63ff0) # [ 89.505086] 3fa0: 00000012 00000012 00000001 b6e53000 00000012 00000000 # [ 89.513276] 3fc0: 00000012 00000012 b6f9ae00 00000004 00000001 00000000 00020000 be916ac4 # [ 89.521461] 3fe0: 00000004 be9167f8 b6f04d8f b6e8b7e6 # [ 89.526592] irq event stamp: 0 # [ 89.529669] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 89.535293] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 # [ 89.542844] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 # [ 89.550411] softirqs last disabled at (0): [<00000000>] 0x0 # [ 89.556010] ---[ end trace 10039795b0cb1a5b ]--- # [ 89.560679] 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 [ 90.118325] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE [ 90.124473] lkdtm: attempting bad refcount_dec() below zero [ 90.130160] ------------[ cut here ]------------ [ 90.134842] WARNING: CPU: 2 PID: 2758 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 [ 90.143368] refcount_t: decrement hit 0; leaking memory. [ 90.148695] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display imx_ldb imxdrm etnaviv gpu_sched imx_ipu_v3 [ 90.177925] CPU: 2 PID: 2758 Comm: cat Tainted: G D W 5.10.184-cip36 #1 [ 90.185679] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 90.192214] Backtrace: [ 90.194692] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 90.202274] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 [ 90.207950] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 90.215277] [] (dump_stack) from [] (__warn+0x98/0x14c) [ 90.222251] r9:00000009 r8:c0873b88 r7:0000001f r6:00000009 r5:c0873b88 r4:c1a22f4c [ 90.230008] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 90.237502] r7:0000001f r6:c1a22f4c r5:c1a22fb0 r4:c59ee000 [ 90.243176] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) [ 90.252147] r9:c1aced28 r8:c15ead50 r7:c59eff60 r6:00000016 r5:00000000 r4:c59ee000 [ 90.259907] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) [ 90.269578] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_NEGATIVE+0x48/0x70) [ 90.279680] [] (lkdtm_REFCOUNT_DEC_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) [ 90.288821] r5:c5a1a000 r4:00000030 [ 90.292409] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 90.300431] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 90.308360] r9:c59eff60 r8:c30e7780 r7:00000016 r6:b6e2e000 r5:c581f7c0 r4:c0c53cfc [ 90.316123] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 90.323966] r9:c07e0608 r8:c59eff60 r7:c2815800 r6:b6e2e000 r5:c581f7c0 r4:00000000 [ 90.331722] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 90.338870] r10:00000004 r9:00000000 r8:00000000 r7:b6e2e000 r6:c59ee000 r5:c581f7c0 [ 90.346707] r4:c581f7c0 [ 90.349254] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 90.356403] r9:c59ee000 r8:c03002e4 r7:00000004 r6:b6f75e00 r5:00000016 r4:00000016 [ 90.364161] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 90.371739] Exception stack(0xc59effa8 to 0xc59efff0) [ 90.376805] ffa0: 00000016 00000016 00000001 b6e2e000 00000016 00000000 [ 90.384995] ffc0: 00000016 00000016 b6f75e00 00000004 00000001 00000000 00020000 bec1bac4 [ 90.393180] ffe0: 00000004 bec1b7f8 b6edfd8f b6e667e6 [ 90.398333] irq event stamp: 0 [ 90.401437] hardirqs last enabled at (0): [<00000000>] 0x0 [ 90.407030] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 [ 90.414578] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 [ 90.422144] softirqs last disabled at (0): [<00000000>] 0x0 [ 90.427737] ---[ end trace 10039795b0cb1a5c ]--- [ 90.432419] lkdtm: Negative detected: saturated # [ 90.118325] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 90.124473] lkdtm: attempting bad refcount_dec() below zero # [ 90.130160] ------------[ cut here ]------------ # [ 90.134842] WARNING: CPU: 2 PID: 2758 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 # [ 90.143368] refcount_t: decrement hit 0; leaking memory. # [ 90.148695] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display imx_ldb imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 90.177925] CPU: 2 PID: 2758 Comm: cat Tainted: G D W 5.10.184-cip36 #1 # [ 90.185679] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 90.192214] Backtrace: # [ 90.194692] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 90.202274] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 # [ 90.207950] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 90.215277] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 90.222251] r9:00000009 r8:c0873b88 r7:0000001f r6:00000009 r5:c0873b88 r4:c1a22f4c # [ 90.230008] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 90.237502] r7:0000001f r6:c1a22f4c r5:c1a22fb0 r4:c59ee000 # [ 90.243176] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) # [ 90.252147] r9:c1aced28 r8:c15ead50 r7:c59eff60 r6:00000016 r5:00000000 r4:c59ee000 # [ 90.259907] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) # [ 90.269578] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_NEGATIVE+0x48/0x70) # [ 90.279680] [] (lkdtm_REFCOUNT_DEC_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 90.288821] r5:c5a1a000 r4:00000030 # [ 90.292409] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 90.300431] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 90.308360] r9:c59eff60 r8:c30e7780 r7:00000016 r6:b6e2e000 r5:c581f7c0 r4:c0c53cfc # [ 90.316123] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 90.323966] r9:c07e0608 r8:c59eff60 r7:c2815800 r6:b6e2e000 r5:c581f7c0 r4:00000000 # [ 90.331722] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 90.338870] r10:00000004 r9:00000000 r8:00000000 r7:b6e2e000 r6:c59ee000 r5:c581f7c0 # [ 90.346707] r4:c581f7c0 # [ 90.349254] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 90.356403] r9:c59ee000 r8:c03002e4 r7:00000004 r6:b6f75e00 r5:00000016 r4:00000016 # [ 90.364161] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 90.371739] Exception stack(0xc59effa8 to 0xc59efff0) # [ 90.376805] ffa0: 00000016 00000016 00000001 b6e2e000 00000016 00000000 # [ 90.384995] ffc0: 00000016 00000016 b6f75e00 00000004 00000001 00000000 00020000 bec1bac4 # [ 90.393180] ffe0: 00000004 bec1b7f8 b6edfd8f b6e667e6 # [ 90.398333] irq event stamp: 0 # [ 90.401437] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 90.407030] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 # [ 90.414578] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 # [ 90.422144] softirqs last disabled at (0): [<00000000>] 0x0 # [ 90.427737] ---[ end trace 10039795b0cb1a5c ]--- # [ 90.432419] 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 [ 90.979747] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE [ 90.986684] lkdtm: attempting bad refcount_dec_and_test() below zero [ 90.993230] ------------[ cut here ]------------ [ 90.997913] WARNING: CPU: 3 PID: 2793 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 [ 91.006517] refcount_t: underflow; use-after-free. [ 91.011361] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display imx_ldb imxdrm etnaviv gpu_sched imx_ipu_v3 [ 91.040609] CPU: 3 PID: 2793 Comm: cat Tainted: G D W 5.10.184-cip36 #1 [ 91.048361] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 91.054896] Backtrace: [ 91.057373] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 91.064955] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 [ 91.070633] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 91.077961] [] (dump_stack) from [] (__warn+0x98/0x14c) [ 91.084936] r9:00000009 r8:c0873c58 r7:0000001c r6:00000009 r5:c0873c58 r4:c1a22f4c [ 91.092694] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 91.100186] r7:0000001c r6:c1a22f4c r5:c1a22f88 r4:c5f74000 [ 91.105860] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) [ 91.114917] r9:c1aced40 r8:c15ead50 r7:c5f75f60 r6:0000001f r5:00000000 r4:c5f74000 [ 91.122678] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) [ 91.133134] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x50/0x8c) [ 91.144801] [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) [ 91.154722] r5:c6c32000 r4:00000031 [ 91.158311] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 91.166331] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 91.174259] r9:c5f75f60 r8:c30e7780 r7:0000001f r6:b6e4b000 r5:c5a67a40 r4:c0c53cfc [ 91.182023] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 91.189864] r9:c07e0608 r8:c5f75f60 r7:c2815800 r6:b6e4b000 r5:c5a67a40 r4:00000000 [ 91.197620] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 91.204768] r10:00000004 r9:00000000 r8:00000000 r7:b6e4b000 r6:c5f74000 r5:c5a67a40 [ 91.212604] r4:c5a67a40 [ 91.215150] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 91.222298] r9:c5f74000 r8:c03002e4 r7:00000004 r6:b6f92e00 r5:0000001f r4:0000001f [ 91.230057] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 91.237635] Exception stack(0xc5f75fa8 to 0xc5f75ff0) [ 91.242700] 5fa0: 0000001f 0000001f 00000001 b6e4b000 0000001f 00000000 [ 91.250888] 5fc0: 0000001f 0000001f b6f92e00 00000004 00000001 00000000 00020000 be89bac4 [ 91.259074] 5fe0: 00000004 be89b7f8 b6efcd8f b6e837e6 [ 91.264206] irq event stamp: 0 [ 91.267283] hardirqs last enabled at (0): [<00000000>] 0x0 [ 91.272923] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 [ 91.280474] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 [ 91.287997] softirqs last disabled at (0): [<00000000>] 0x0 [ 91.293648] ---[ end trace 10039795b0cb1a5d ]--- [ 91.298285] lkdtm: Negative detected: saturated # [ 90.979747] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 90.986684] lkdtm: attempting bad refcount_dec_and_test() below zero # [ 90.993230] ------------[ cut here ]------------ # [ 90.997913] WARNING: CPU: 3 PID: 2793 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 91.006517] refcount_t: underflow; use-after-free. # [ 91.011361] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display imx_ldb imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 91.040609] CPU: 3 PID: 2793 Comm: cat Tainted: G D W 5.10.184-cip36 #1 # [ 91.048361] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 91.054896] Backtrace: # [ 91.057373] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 91.064955] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 # [ 91.070633] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 91.077961] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 91.084936] r9:00000009 r8:c0873c58 r7:0000001c r6:00000009 r5:c0873c58 r4:c1a22f4c # [ 91.092694] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 91.100186] r7:0000001c r6:c1a22f4c r5:c1a22f88 r4:c5f74000 # [ 91.105860] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 91.114917] r9:c1aced40 r8:c15ead50 r7:c5f75f60 r6:0000001f r5:00000000 r4:c5f74000 # [ 91.122678] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 91.133134] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x50/0x8c) # [ 91.144801] [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 91.154722] r5:c6c32000 r4:00000031 # [ 91.158311] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 91.166331] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 91.174259] r9:c5f75f60 r8:c30e7780 r7:0000001f r6:b6e4b000 r5:c5a67a40 r4:c0c53cfc # [ 91.182023] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 91.189864] r9:c07e0608 r8:c5f75f60 r7:c2815800 r6:b6e4b000 r5:c5a67a40 r4:00000000 # [ 91.197620] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 91.204768] r10:00000004 r9:00000000 r8:00000000 r7:b6e4b000 r6:c5f74000 r5:c5a67a40 # [ 91.212604] r4:c5a67a40 # [ 91.215150] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 91.222298] r9:c5f74000 r8:c03002e4 r7:00000004 r6:b6f92e00 r5:0000001f r4:0000001f # [ 91.230057] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 91.237635] Exception stack(0xc5f75fa8 to 0xc5f75ff0) # [ 91.242700] 5fa0: 0000001f 0000001f 00000001 b6e4b000 0000001f 00000000 # [ 91.250888] 5fc0: 0000001f 0000001f b6f92e00 00000004 00000001 00000000 00020000 be89bac4 # [ 91.259074] 5fe0: 00000004 be89b7f8 b6efcd8f b6e837e6 # [ 91.264206] irq event stamp: 0 # [ 91.267283] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 91.272923] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 # [ 91.280474] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 # [ 91.287997] softirqs last disabled at (0): [<00000000>] 0x0 # [ 91.293648] ---[ end trace 10039795b0cb1a5d ]--- # [ 91.298285] 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 [ 91.860058] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE [ 91.866999] lkdtm: attempting bad refcount_sub_and_test() below zero [ 91.873464] ------------[ cut here ]------------ [ 91.878145] WARNING: CPU: 1 PID: 2828 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 [ 91.886758] refcount_t: underflow; use-after-free. [ 91.891600] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display imx_ldb imxdrm etnaviv gpu_sched imx_ipu_v3 [ 91.920837] CPU: 1 PID: 2828 Comm: cat Tainted: G D W 5.10.184-cip36 #1 [ 91.928591] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 91.935126] Backtrace: [ 91.937605] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 91.945189] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 [ 91.950864] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 91.958192] [] (dump_stack) from [] (__warn+0x98/0x14c) [ 91.965165] r9:00000009 r8:c0873c58 r7:0000001c r6:00000009 r5:c0873c58 r4:c1a22f4c [ 91.972923] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 91.980417] r7:0000001c r6:c1a22f4c r5:c1a22f88 r4:c69ea000 [ 91.986090] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) [ 91.995149] r9:c1aced60 r8:c15ead50 r7:c69ebf60 r6:0000001f r5:c6d82000 r4:c69ea000 [ 92.002909] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) [ 92.013366] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x50/0x8c) [ 92.025030] [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) [ 92.034950] r4:00000032 [ 92.037497] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 92.045519] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 92.053447] r9:c69ebf60 r8:c30e7780 r7:0000001f r6:b6ea7000 r5:c59a0dc0 r4:c0c53cfc [ 92.061211] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 92.069052] r9:c07e0608 r8:c69ebf60 r7:c2815800 r6:b6ea7000 r5:c59a0dc0 r4:00000000 [ 92.076807] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 92.083954] r10:00000004 r9:00000000 r8:00000000 r7:b6ea7000 r6:c69ea000 r5:c59a0dc0 [ 92.091790] r4:c59a0dc0 [ 92.094336] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 92.101484] r9:c69ea000 r8:c03002e4 r7:00000004 r6:b6feee00 r5:0000001f r4:0000001f [ 92.109241] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 92.116819] Exception stack(0xc69ebfa8 to 0xc69ebff0) [ 92.121883] bfa0: 0000001f 0000001f 00000001 b6ea7000 0000001f 00000000 [ 92.130073] bfc0: 0000001f 0000001f b6feee00 00000004 00000001 00000000 00020000 becdcac4 [ 92.138260] bfe0: 00000004 becdc7f8 b6f58d8f b6edf7e6 [ 92.143408] irq event stamp: 0 [ 92.146489] hardirqs last enabled at (0): [<00000000>] 0x0 [ 92.152114] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 [ 92.159616] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 [ 92.167180] softirqs last disabled at (0): [<00000000>] 0x0 [ 92.172815] ---[ end trace 10039795b0cb1a5e ]--- [ 92.177466] lkdtm: Negative detected: saturated # [ 91.860058] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 91.866999] lkdtm: attempting bad refcount_sub_and_test() below zero # [ 91.873464] ------------[ cut here ]------------ # [ 91.878145] WARNING: CPU: 1 PID: 2828 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 91.886758] refcount_t: underflow; use-after-free. # [ 91.891600] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display imx_ldb imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 91.920837] CPU: 1 PID: 2828 Comm: cat Tainted: G D W 5.10.184-cip36 #1 # [ 91.928591] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 91.935126] Backtrace: # [ 91.937605] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 91.945189] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 # [ 91.950864] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 91.958192] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 91.965165] r9:00000009 r8:c0873c58 r7:0000001c r6:00000009 r5:c0873c58 r4:c1a22f4c # [ 91.972923] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 91.980417] r7:0000001c r6:c1a22f4c r5:c1a22f88 r4:c69ea000 # [ 91.986090] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 91.995149] r9:c1aced60 r8:c15ead50 r7:c69ebf60 r6:0000001f r5:c6d82000 r4:c69ea000 # [ 92.002909] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 92.013366] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x50/0x8c) # [ 92.025030] [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 92.034950] r4:00000032 # [ 92.037497] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 92.045519] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 92.053447] r9:c69ebf60 r8:c30e7780 r7:0000001f r6:b6ea7000 r5:c59a0dc0 r4:c0c53cfc # [ 92.061211] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 92.069052] r9:c07e0608 r8:c69ebf60 r7:c2815800 r6:b6ea7000 r5:c59a0dc0 r4:00000000 # [ 92.076807] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 92.083954] r10:00000004 r9:00000000 r8:00000000 r7:b6ea7000 r6:c69ea000 r5:c59a0dc0 # [ 92.091790] r4:c59a0dc0 # [ 92.094336] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 92.101484] r9:c69ea000 r8:c03002e4 r7:00000004 r6:b6feee00 r5:0000001f r4:0000001f # [ 92.109241] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 92.116819] Exception stack(0xc69ebfa8 to 0xc69ebff0) # [ 92.121883] bfa0: 0000001f 0000001f 00000001 b6ea7000 0000001f 00000000 # [ 92.130073] bfc0: 0000001f 0000001f b6feee00 00000004 00000001 00000000 00020000 becdcac4 # [ 92.138260] bfe0: 00000004 becdc7f8 b6f58d8f b6edf7e6 # [ 92.143408] irq event stamp: 0 # [ 92.146489] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 92.152114] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 # [ 92.159616] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 # [ 92.167180] softirqs last disabled at (0): [<00000000>] 0x0 # [ 92.172815] ---[ end trace 10039795b0cb1a5e ]--- # [ 92.177466] 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 [ 92.723765] lkdtm: Performing direct entry REFCOUNT_INC_ZERO [ 92.729474] lkdtm: attempting safe refcount_inc_not_zero() from zero [ 92.735990] lkdtm: Good: zero detected [ 92.739777] lkdtm: Correctly stayed at zero [ 92.744037] lkdtm: attempting bad refcount_inc() from zero [ 92.749538] ------------[ cut here ]------------ [ 92.754240] WARNING: CPU: 3 PID: 2860 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 [ 92.762823] refcount_t: addition on 0; use-after-free. [ 92.767974] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display imx_ldb imxdrm etnaviv gpu_sched imx_ipu_v3 [ 92.797204] CPU: 3 PID: 2860 Comm: cat Tainted: G D W 5.10.184-cip36 #1 [ 92.804958] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 92.811494] Backtrace: [ 92.813971] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 92.821554] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 [ 92.827230] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 92.834559] [] (dump_stack) from [] (__warn+0x98/0x14c) [ 92.841535] r9:00000009 r8:c0873c24 r7:00000019 r6:00000009 r5:c0873c24 r4:c1a22f4c [ 92.849294] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 92.856787] r7:00000019 r6:c1a22f4c r5:c1a22f5c r4:c6f72000 [ 92.862463] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) [ 92.871519] r9:c1aced80 r8:c15ead50 r7:c6f73f60 r6:00000012 r5:00000000 r4:c6f72000 [ 92.879281] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) [ 92.888954] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_ZERO+0xa8/0xcc) [ 92.898710] [] (lkdtm_REFCOUNT_INC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) [ 92.907501] r5:c6c32000 r4:00000033 [ 92.911089] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 92.919110] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 92.927038] r9:c6f73f60 r8:c30e7780 r7:00000012 r6:b6e83000 r5:c5a67e00 r4:c0c53cfc [ 92.934799] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 92.942642] r9:c07e0608 r8:c6f73f60 r7:c2815800 r6:b6e83000 r5:c5a67e00 r4:00000000 [ 92.950398] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 92.957544] r10:00000004 r9:00000000 r8:00000000 r7:b6e83000 r6:c6f72000 r5:c5a67e00 [ 92.965379] r4:c5a67e00 [ 92.967927] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 92.975076] r9:c6f72000 r8:c03002e4 r7:00000004 r6:b6fcae00 r5:00000012 r4:00000012 [ 92.982838] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 92.990416] Exception stack(0xc6f73fa8 to 0xc6f73ff0) [ 92.995481] 3fa0: 00000012 00000012 00000001 b6e83000 00000012 00000000 [ 93.003671] 3fc0: 00000012 00000012 b6fcae00 00000004 00000001 00000000 00020000 bec7aac4 [ 93.011857] 3fe0: 00000004 bec7a7f8 b6f34d8f b6ebb7e6 [ 93.016992] irq event stamp: 0 [ 93.020070] hardirqs last enabled at (0): [<00000000>] 0x0 [ 93.025704] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 [ 93.033292] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 [ 93.040905] softirqs last disabled at (0): [<00000000>] 0x0 [ 93.046531] ---[ end trace 10039795b0cb1a5f ]--- [ 93.051208] lkdtm: Zero detected: saturated # [ 92.723765] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 92.729474] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 92.735990] lkdtm: Good: zero detected # [ 92.739777] lkdtm: Correctly stayed at zero # [ 92.744037] lkdtm: attempting bad refcount_inc() from zero # [ 92.749538] ------------[ cut here ]------------ # [ 92.754240] WARNING: CPU: 3 PID: 2860 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 # [ 92.762823] refcount_t: addition on 0; use-after-free. # [ 92.767974] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display imx_ldb imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 92.797204] CPU: 3 PID: 2860 Comm: cat Tainted: G D W 5.10.184-cip36 #1 # [ 92.804958] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 92.811494] Backtrace: # [ 92.813971] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 92.821554] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 # [ 92.827230] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 92.834559] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 92.841535] r9:00000009 r8:c0873c24 r7:00000019 r6:00000009 r5:c0873c24 r4:c1a22f4c # [ 92.849294] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 92.856787] r7:00000019 r6:c1a22f4c r5:c1a22f5c r4:c6f72000 # [ 92.862463] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) # [ 92.871519] r9:c1aced80 r8:c15ead50 r7:c6f73f60 r6:00000012 r5:00000000 r4:c6f72000 # [ 92.879281] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) # [ 92.888954] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_ZERO+0xa8/0xcc) # [ 92.898710] [] (lkdtm_REFCOUNT_INC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 92.907501] r5:c6c32000 r4:00000033 # [ 92.911089] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 92.919110] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 92.927038] r9:c6f73f60 r8:c30e7780 r7:00000012 r6:b6e83000 r5:c5a67e00 r4:c0c53cfc # [ 92.934799] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 92.942642] r9:c07e0608 r8:c6f73f60 r7:c2815800 r6:b6e83000 r5:c5a67e00 r4:00000000 # [ 92.950398] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 92.957544] r10:00000004 r9:00000000 r8:00000000 r7:b6e83000 r6:c6f72000 r5:c5a67e00 # [ 92.965379] r4:c5a67e00 # [ 92.967927] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 92.975076] r9:c6f72000 r8:c03002e4 r7:00000004 r6:b6fcae00 r5:00000012 r4:00000012 # [ 92.982838] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 92.990416] Exception stack(0xc6f73fa8 to 0xc6f73ff0) # [ 92.995481] 3fa0: 00000012 00000012 00000001 b6e83000 00000012 00000000 # [ 93.003671] 3fc0: 00000012 00000012 b6fcae00 00000004 00000001 00000000 00020000 bec7aac4 # [ 93.011857] 3fe0: 00000004 bec7a7f8 b6f34d8f b6ebb7e6 # [ 93.016992] irq event stamp: 0 # [ 93.020070] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 93.025704] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 # [ 93.033292] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 # [ 93.040905] softirqs last disabled at (0): [<00000000>] 0x0 # [ 93.046531] ---[ end trace 10039795b0cb1a5f ]--- # [ 93.051208] 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 [ 93.607830] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO [ 93.613614] lkdtm: attempting safe refcount_add_not_zero() from zero [ 93.619982] lkdtm: Good: zero detected [ 93.623789] lkdtm: Correctly stayed at zero [ 93.627987] lkdtm: attempting bad refcount_add() from zero [ 93.633524] ------------[ cut here ]------------ [ 93.638173] WARNING: CPU: 0 PID: 2894 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 [ 93.646746] refcount_t: addition on 0; use-after-free. [ 93.652025] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display imx_ldb imxdrm etnaviv gpu_sched imx_ipu_v3 [ 93.681264] CPU: 0 PID: 2894 Comm: cat Tainted: G D W 5.10.184-cip36 #1 [ 93.689017] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 93.695551] Backtrace: [ 93.698030] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 93.705613] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 [ 93.711291] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 93.718620] [] (dump_stack) from [] (__warn+0x98/0x14c) [ 93.725593] r9:00000009 r8:c0873c24 r7:00000019 r6:00000009 r5:c0873c24 r4:c1a22f4c [ 93.733350] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 93.740841] r7:00000019 r6:c1a22f4c r5:c1a22f5c r4:c6d22000 [ 93.746515] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) [ 93.755572] r9:c1aced94 r8:c15ead50 r7:c6d23f60 r6:00000012 r5:00000000 r4:c6d22000 [ 93.763332] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) [ 93.773006] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_ZERO+0xa8/0xcc) [ 93.782760] [] (lkdtm_REFCOUNT_ADD_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) [ 93.791552] r5:c452a000 r4:00000034 [ 93.795139] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 93.803160] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 93.811089] r9:c6d23f60 r8:c30e7780 r7:00000012 r6:b6eb0000 r5:c5804a00 r4:c0c53cfc [ 93.818852] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 93.826695] r9:c07e0608 r8:c6d23f60 r7:c2815800 r6:b6eb0000 r5:c5804a00 r4:00000000 [ 93.834450] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 93.841597] r10:00000004 r9:00000000 r8:00000000 r7:b6eb0000 r6:c6d22000 r5:c5804a00 [ 93.849435] r4:c5804a00 [ 93.851982] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 93.859129] r9:c6d22000 r8:c03002e4 r7:00000004 r6:b6ff7e00 r5:00000012 r4:00000012 [ 93.866889] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 93.874468] Exception stack(0xc6d23fa8 to 0xc6d23ff0) [ 93.879532] 3fa0: 00000012 00000012 00000001 b6eb0000 00000012 00000000 [ 93.887721] 3fc0: 00000012 00000012 b6ff7e00 00000004 00000001 00000000 00020000 be925ac4 [ 93.895908] 3fe0: 00000004 be9257f8 b6f61d8f b6ee87e6 [ 93.901030] irq event stamp: 0 [ 93.904108] hardirqs last enabled at (0): [<00000000>] 0x0 [ 93.909701] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 [ 93.917249] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 [ 93.926471] softirqs last disabled at (0): [<00000000>] 0x0 [ 93.933648] ---[ end trace 10039795b0cb1a60 ]--- [ 93.938298] lkdtm: Zero detected: saturated # [ 93.607830] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 93.613614] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 93.619982] lkdtm: Good: zero detected # [ 93.623789] lkdtm: Correctly stayed at zero # [ 93.627987] lkdtm: attempting bad refcount_add() from zero # [ 93.633524] ------------[ cut here ]------------ # [ 93.638173] WARNING: CPU: 0 PID: 2894 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 # [ 93.646746] refcount_t: addition on 0; use-after-free. # [ 93.652025] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display imx_ldb imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 93.681264] CPU: 0 PID: 2894 Comm: cat Tainted: G D W 5.10.184-cip36 #1 # [ 93.689017] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 93.695551] Backtrace: # [ 93.698030] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 93.705613] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 # [ 93.711291] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 93.718620] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 93.725593] r9:00000009 r8:c0873c24 r7:00000019 r6:00000009 r5:c0873c24 r4:c1a22f4c # [ 93.733350] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 93.740841] r7:00000019 r6:c1a22f4c r5:c1a22f5c r4:c6d22000 # [ 93.746515] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) # [ 93.755572] r9:c1aced94 r8:c15ead50 r7:c6d23f60 r6:00000012 r5:00000000 r4:c6d22000 # [ 93.763332] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) # [ 93.773006] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_ZERO+0xa8/0xcc) # [ 93.782760] [] (lkdtm_REFCOUNT_ADD_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 93.791552] r5:c452a000 r4:00000034 # [ 93.795139] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 93.803160] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 93.811089] r9:c6d23f60 r8:c30e7780 r7:00000012 r6:b6eb0000 r5:c5804a00 r4:c0c53cfc # [ 93.818852] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 93.826695] r9:c07e0608 r8:c6d23f60 r7:c2815800 r6:b6eb0000 r5:c5804a00 r4:00000000 # [ 93.834450] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 93.841597] r10:00000004 r9:00000000 r8:00000000 r7:b6eb0000 r6:c6d22000 r5:c5804a00 # [ 93.849435] r4:c5804a00 # [ 93.851982] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 93.859129] r9:c6d22000 r8:c03002e4 r7:00000004 r6:b6ff7e00 r5:00000012 r4:00000012 # [ 93.866889] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 93.874468] Exception stack(0xc6d23fa8 to 0xc6d23ff0) # [ 93.879532] 3fa0: 00000012 00000012 00000001 b6eb0000 00000012 00000000 # [ 93.887721] 3fc0: 00000012 00000012 b6ff7e00 00000004 00000001 00000000 00020000 be925ac4 # [ 93.895908] 3fe0: 00000004 be9257f8 b6f61d8f b6ee87e6 # [ 93.901030] irq event stamp: 0 # [ 93.904108] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 93.909701] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 # [ 93.917249] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 # [ 93.926471] softirqs last disabled at (0): [<00000000>] 0x0 # [ 93.933648] ---[ end trace 10039795b0cb1a60 ]--- # [ 93.938298] 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 [ 94.527861] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED [ 94.534096] lkdtm: attempting bad refcount_inc() from saturated [ 94.540053] ------------[ cut here ]------------ [ 94.544759] WARNING: CPU: 0 PID: 2931 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 [ 94.553270] refcount_t: saturated; leaking memory. [ 94.558078] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display imx_ldb imxdrm etnaviv gpu_sched imx_ipu_v3 [ 94.587412] CPU: 0 PID: 2931 Comm: cat Tainted: G D W 5.10.184-cip36 #1 [ 94.595166] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 94.601700] Backtrace: [ 94.604178] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 94.611761] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 [ 94.617438] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 94.624765] [] (dump_stack) from [] (__warn+0x98/0x14c) [ 94.631740] r9:00000009 r8:c0873bf0 r7:00000016 r6:00000009 r5:c0873bf0 r4:c1a22f4c [ 94.639497] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 94.646990] r7:00000016 r6:c1a22f4c r5:c1a22f24 r4:c6ac6000 [ 94.652665] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) [ 94.661636] r9:c1aceda8 r8:c15ead50 r7:c6ac7f60 r6:00000017 r5:c452a000 r4:c6ac6000 [ 94.669396] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) [ 94.679070] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_SATURATED+0x4c/0x70) [ 94.689260] [] (lkdtm_REFCOUNT_INC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) [ 94.698486] r4:00000035 [ 94.701032] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 94.709053] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 94.716982] r9:c6ac7f60 r8:c30e7780 r7:00000017 r6:b6e7c000 r5:c6956280 r4:c0c53cfc [ 94.724743] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 94.732585] r9:c07e0608 r8:c6ac7f60 r7:c2815800 r6:b6e7c000 r5:c6956280 r4:00000000 [ 94.740341] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 94.747488] r10:00000004 r9:00000000 r8:00000000 r7:b6e7c000 r6:c6ac6000 r5:c6956280 [ 94.755324] r4:c6956280 [ 94.757870] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 94.765018] r9:c6ac6000 r8:c03002e4 r7:00000004 r6:b6fc3e00 r5:00000017 r4:00000017 [ 94.772778] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 94.780356] Exception stack(0xc6ac7fa8 to 0xc6ac7ff0) [ 94.785421] 7fa0: 00000017 00000017 00000001 b6e7c000 00000017 00000000 [ 94.793612] 7fc0: 00000017 00000017 b6fc3e00 00000004 00000001 00000000 00020000 be8a9ac4 [ 94.801797] 7fe0: 00000004 be8a97f8 b6f2dd8f b6eb47e6 [ 94.806969] irq event stamp: 0 [ 94.810051] hardirqs last enabled at (0): [<00000000>] 0x0 [ 94.815677] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 [ 94.823210] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 [ 94.830747] softirqs last disabled at (0): [<00000000>] 0x0 [ 94.836335] ---[ end trace 10039795b0cb1a61 ]--- [ 94.840995] lkdtm: Saturation detected: still saturated # [ 94.527861] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 94.534096] lkdtm: attempting bad refcount_inc() from saturated # [ 94.540053] ------------[ cut here ]------------ # [ 94.544759] WARNING: CPU: 0 PID: 2931 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 94.553270] refcount_t: saturated; leaking memory. # [ 94.558078] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display imx_ldb imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 94.587412] CPU: 0 PID: 2931 Comm: cat Tainted: G D W 5.10.184-cip36 #1 # [ 94.595166] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 94.601700] Backtrace: # [ 94.604178] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 94.611761] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 # [ 94.617438] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 94.624765] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 94.631740] r9:00000009 r8:c0873bf0 r7:00000016 r6:00000009 r5:c0873bf0 r4:c1a22f4c # [ 94.639497] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 94.646990] r7:00000016 r6:c1a22f4c r5:c1a22f24 r4:c6ac6000 # [ 94.652665] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 94.661636] r9:c1aceda8 r8:c15ead50 r7:c6ac7f60 r6:00000017 r5:c452a000 r4:c6ac6000 # [ 94.669396] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 94.679070] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_SATURATED+0x4c/0x70) # [ 94.689260] [] (lkdtm_REFCOUNT_INC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 94.698486] r4:00000035 # [ 94.701032] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 94.709053] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 94.716982] r9:c6ac7f60 r8:c30e7780 r7:00000017 r6:b6e7c000 r5:c6956280 r4:c0c53cfc # [ 94.724743] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 94.732585] r9:c07e0608 r8:c6ac7f60 r7:c2815800 r6:b6e7c000 r5:c6956280 r4:00000000 # [ 94.740341] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 94.747488] r10:00000004 r9:00000000 r8:00000000 r7:b6e7c000 r6:c6ac6000 r5:c6956280 # [ 94.755324] r4:c6956280 # [ 94.757870] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 94.765018] r9:c6ac6000 r8:c03002e4 r7:00000004 r6:b6fc3e00 r5:00000017 r4:00000017 # [ 94.772778] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 94.780356] Exception stack(0xc6ac7fa8 to 0xc6ac7ff0) # [ 94.785421] 7fa0: 00000017 00000017 00000001 b6e7c000 00000017 00000000 # [ 94.793612] 7fc0: 00000017 00000017 b6fc3e00 00000004 00000001 00000000 00020000 be8a9ac4 # [ 94.801797] 7fe0: 00000004 be8a97f8 b6f2dd8f b6eb47e6 # [ 94.806969] irq event stamp: 0 # [ 94.810051] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 94.815677] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 # [ 94.823210] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 # [ 94.830747] softirqs last disabled at (0): [<00000000>] 0x0 # [ 94.836335] ---[ end trace 10039795b0cb1a61 ]--- # [ 94.840995] 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 [ 95.465872] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED [ 95.472133] lkdtm: attempting bad refcount_dec() from saturated [ 95.478091] ------------[ cut here ]------------ [ 95.482899] WARNING: CPU: 3 PID: 2966 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 [ 95.491463] refcount_t: decrement hit 0; leaking memory. [ 95.496812] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display imx_ldb imxdrm etnaviv gpu_sched imx_ipu_v3 [ 95.526437] CPU: 3 PID: 2966 Comm: cat Tainted: G D W 5.10.184-cip36 #1 [ 95.534210] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 95.540760] Backtrace: [ 95.543269] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 95.550871] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 [ 95.556571] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 95.563923] [] (dump_stack) from [] (__warn+0x98/0x14c) [ 95.570919] r9:00000009 r8:c0873b88 r7:0000001f r6:00000009 r5:c0873b88 r4:c1a22f4c [ 95.578697] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 95.586205] r7:0000001f r6:c1a22f4c r5:c1a22fb0 r4:c6ac6000 [ 95.591898] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) [ 95.600888] r9:c1acedc0 r8:c15ead50 r7:c6ac7f60 r6:00000017 r5:c2c57000 r4:c6ac6000 [ 95.608673] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) [ 95.618367] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_SATURATED+0x48/0x6c) [ 95.628580] [] (lkdtm_REFCOUNT_DEC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) [ 95.637818] r4:00000036 [ 95.640384] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 95.648427] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 95.656374] r9:c6ac7f60 r8:c30e7780 r7:00000017 r6:b6e45000 r5:c581f540 r4:c0c53cfc [ 95.664161] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 95.672022] r9:c07e0608 r8:c6ac7f60 r7:c2815800 r6:b6e45000 r5:c581f540 r4:00000000 [ 95.679798] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 95.686964] r10:00000004 r9:00000000 r8:00000000 r7:b6e45000 r6:c6ac6000 r5:c581f540 [ 95.694812] r4:c581f540 [ 95.697378] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 95.704544] r9:c6ac6000 r8:c03002e4 r7:00000004 r6:b6f8ce00 r5:00000017 r4:00000017 [ 95.712322] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 95.719914] Exception stack(0xc6ac7fa8 to 0xc6ac7ff0) [ 95.724996] 7fa0: 00000017 00000017 00000001 b6e45000 00000017 00000000 [ 95.733206] 7fc0: 00000017 00000017 b6f8ce00 00000004 00000001 00000000 00020000 beda0ac4 [ 95.741409] 7fe0: 00000004 beda07f8 b6ef6d8f b6e7d7e6 [ 95.746594] irq event stamp: 0 [ 95.749699] hardirqs last enabled at (0): [<00000000>] 0x0 [ 95.755380] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 [ 95.762967] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 [ 95.770550] softirqs last disabled at (0): [<00000000>] 0x0 [ 95.776162] ---[ end trace 10039795b0cb1a62 ]--- [ 95.780876] lkdtm: Saturation detected: still saturated # [ 95.465872] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 95.472133] lkdtm: attempting bad refcount_dec() from saturated # [ 95.478091] ------------[ cut here ]------------ # [ 95.482899] WARNING: CPU: 3 PID: 2966 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 # [ 95.491463] refcount_t: decrement hit 0; leaking memory. # [ 95.496812] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display imx_ldb imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 95.526437] CPU: 3 PID: 2966 Comm: cat Tainted: G D W 5.10.184-cip36 #1 # [ 95.534210] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 95.540760] Backtrace: # [ 95.543269] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 95.550871] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 # [ 95.556571] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 95.563923] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 95.570919] r9:00000009 r8:c0873b88 r7:0000001f r6:00000009 r5:c0873b88 r4:c1a22f4c # [ 95.578697] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 95.586205] r7:0000001f r6:c1a22f4c r5:c1a22fb0 r4:c6ac6000 # [ 95.591898] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) # [ 95.600888] r9:c1acedc0 r8:c15ead50 r7:c6ac7f60 r6:00000017 r5:c2c57000 r4:c6ac6000 # [ 95.608673] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) # [ 95.618367] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_SATURATED+0x48/0x6c) # [ 95.628580] [] (lkdtm_REFCOUNT_DEC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 95.637818] r4:00000036 # [ 95.640384] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 95.648427] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 95.656374] r9:c6ac7f60 r8:c30e7780 r7:00000017 r6:b6e45000 r5:c581f540 r4:c0c53cfc # [ 95.664161] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 95.672022] r9:c07e0608 r8:c6ac7f60 r7:c2815800 r6:b6e45000 r5:c581f540 r4:00000000 # [ 95.679798] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 95.686964] r10:00000004 r9:00000000 r8:00000000 r7:b6e45000 r6:c6ac6000 r5:c581f540 # [ 95.694812] r4:c581f540 # [ 95.697378] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 95.704544] r9:c6ac6000 r8:c03002e4 r7:00000004 r6:b6f8ce00 r5:00000017 r4:00000017 # [ 95.712322] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 95.719914] Exception stack(0xc6ac7fa8 to 0xc6ac7ff0) # [ 95.724996] 7fa0: 00000017 00000017 00000001 b6e45000 00000017 00000000 # [ 95.733206] 7fc0: 00000017 00000017 b6f8ce00 00000004 00000001 00000000 00020000 beda0ac4 # [ 95.741409] 7fe0: 00000004 beda07f8 b6ef6d8f b6e7d7e6 # [ 95.746594] irq event stamp: 0 # [ 95.749699] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 95.755380] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 # [ 95.762967] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 # [ 95.770550] softirqs last disabled at (0): [<00000000>] 0x0 # [ 95.776162] ---[ end trace 10039795b0cb1a62 ]--- # [ 95.780876] 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 [ 96.403977] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED [ 96.410241] lkdtm: attempting bad refcount_dec() from saturated [ 96.416199] ------------[ cut here ]------------ [ 96.420965] WARNING: CPU: 2 PID: 3001 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 [ 96.429443] refcount_t: saturated; leaking memory. [ 96.434306] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display imx_ldb imxdrm etnaviv gpu_sched imx_ipu_v3 [ 96.463550] CPU: 2 PID: 3001 Comm: cat Tainted: G D W 5.10.184-cip36 #1 [ 96.471305] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 96.477839] Backtrace: [ 96.480315] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 96.487898] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 [ 96.493574] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 96.500902] [] (dump_stack) from [] (__warn+0x98/0x14c) [ 96.507879] r9:00000009 r8:c0873bf0 r7:00000016 r6:00000009 r5:c0873bf0 r4:c1a22f4c [ 96.515638] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 96.523129] r7:00000016 r6:c1a22f4c r5:c1a22f24 r4:c6ac6000 [ 96.528805] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) [ 96.537774] r9:c1acedd8 r8:c15ead50 r7:c6ac7f60 r6:00000017 r5:c6d85000 r4:c6ac6000 [ 96.545533] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) [ 96.555208] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_SATURATED+0x4c/0x70) [ 96.565397] [] (lkdtm_REFCOUNT_ADD_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) [ 96.574625] r4:00000037 [ 96.577171] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 96.585191] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 96.593120] r9:c6ac7f60 r8:c30e7780 r7:00000017 r6:b6e60000 r5:c69a2f00 r4:c0c53cfc [ 96.600882] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 96.608724] r9:c07e0608 r8:c6ac7f60 r7:c2815800 r6:b6e60000 r5:c69a2f00 r4:00000000 [ 96.616480] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 96.623627] r10:00000004 r9:00000000 r8:00000000 r7:b6e60000 r6:c6ac6000 r5:c69a2f00 [ 96.631464] r4:c69a2f00 [ 96.634011] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 96.641159] r9:c6ac6000 r8:c03002e4 r7:00000004 r6:b6fa7e00 r5:00000017 r4:00000017 [ 96.648918] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 96.656494] Exception stack(0xc6ac7fa8 to 0xc6ac7ff0) [ 96.661558] 7fa0: 00000017 00000017 00000001 b6e60000 00000017 00000000 [ 96.669747] 7fc0: 00000017 00000017 b6fa7e00 00000004 00000001 00000000 00020000 bebf5ac4 [ 96.677933] 7fe0: 00000004 bebf57f8 b6f11d8f b6e987e6 [ 96.683074] irq event stamp: 0 [ 96.686152] hardirqs last enabled at (0): [<00000000>] 0x0 [ 96.691781] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 [ 96.699304] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 [ 96.706867] softirqs last disabled at (0): [<00000000>] 0x0 [ 96.712503] ---[ end trace 10039795b0cb1a63 ]--- [ 96.717144] lkdtm: Saturation detected: still saturated # [ 0.000000] CPU: ARMv7 Processor [412fc09a] revision 10 (ARMv7), cr=10c5387d # [ 0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache # [ 96.403977] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 96.410241] lkdtm: attempting bad refcount_dec() from saturated # [ 96.416199] ------------[ cut here ]------------ # [ 96.420965] WARNING: CPU: 2 PID: 3001 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 96.429443] refcount_t: saturated; leaking memory. # [ 96.434306] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display imx_ldb imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 96.463550] CPU: 2 PID: 3001 Comm: cat Tainted: G D W 5.10.184-cip36 #1 # [ 96.471305] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 96.477839] Backtrace: # [ 96.480315] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 96.487898] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 # [ 96.493574] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 96.500902] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 96.507879] r9:00000009 r8:c0873bf0 r7:00000016 r6:00000009 r5:c0873bf0 r4:c1a22f4c # [ 96.515638] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 96.523129] r7:00000016 r6:c1a22f4c r5:c1a22f24 r4:c6ac6000 # [ 96.528805] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 96.537774] r9:c1acedd8 r8:c15ead50 r7:c6ac7f60 r6:00000017 r5:c6d85000 r4:c6ac6000 # [ 96.545533] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 96.555208] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_SATURATED+0x4c/0x70) # [ 96.565397] [] (lkdtm_REFCOUNT_ADD_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 96.574625] r4:00000037 # [ 96.577171] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 96.585191] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 96.593120] r9:c6ac7f60 r8:c30e7780 r7:00000017 r6:b6e60000 r5:c69a2f00 r4:c0c53cfc # [ 96.600882] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 96.608724] r9:c07e0608 r8:c6ac7f60 r7:c2815800 r6:b6e60000 r5:c69a2f00 r4:00000000 # [ 96.616480] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 96.623627] r10:00000004 r9:00000000 r8:00000000 r7:b6e60000 r6:c6ac6000 r5:c69a2f00 # [ 96.631464] r4:c69a2f00 # [ 96.634011] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 96.641159] r9:c6ac6000 r8:c03002e4 r7:00000004 r6:b6fa7e00 r5:00000017 r4:00000017 # [ 96.648918] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 96.656494] Exception stack(0xc6ac7fa8 to 0xc6ac7ff0) # [ 96.661558] 7fa0: 00000017 00000017 00000001 b6e60000 00000017 00000000 # [ 96.669747] 7fc0: 00000017 00000017 b6fa7e00 00000004 00000001 00000000 00020000 bebf5ac4 # [ 96.677933] 7fe0: 00000004 bebf57f8 b6f11d8f b6e987e6 # [ 96.683074] irq event stamp: 0 # [ 96.686152] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 96.691781] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 # [ 96.699304] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 # [ 96.706867] softirqs last disabled at (0): [<00000000>] 0x0 # [ 96.712503] ---[ end trace 10039795b0cb1a63 ]--- # [ 96.717144] 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 [ 97.294166] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED [ 97.301191] lkdtm: attempting bad refcount_inc_not_zero() from saturated [ 97.307908] ------------[ cut here ]------------ [ 97.312600] WARNING: CPU: 2 PID: 3033 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 [ 97.321094] refcount_t: saturated; leaking memory. [ 97.325901] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display imx_ldb imxdrm etnaviv gpu_sched imx_ipu_v3 [ 97.355143] CPU: 2 PID: 3033 Comm: cat Tainted: G D W 5.10.184-cip36 #1 [ 97.362897] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 97.369432] Backtrace: [ 97.371912] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 97.379494] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 [ 97.385169] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 97.392498] [] (dump_stack) from [] (__warn+0x98/0x14c) [ 97.399474] r9:00000009 r8:c0873bbc r7:00000013 r6:00000009 r5:c0873bbc r4:c1a22f4c [ 97.407233] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 97.414725] r7:00000013 r6:c1a22f4c r5:c1a22f24 r4:c6fc6000 [ 97.420400] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) [ 97.429371] r9:c1acedf0 r8:c15ead50 r7:c6fc7f60 r6:00000020 r5:c6d85000 r4:c0000000 [ 97.437135] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) [ 97.447588] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x50/0x88) [ 97.459336] r5:c6d85000 r4:c6fc6000 [ 97.462929] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) [ 97.472935] r4:00000038 [ 97.475483] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 97.483504] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 97.491433] r9:c6fc7f60 r8:c30e7780 r7:00000020 r6:b6dee000 r5:c69a3540 r4:c0c53cfc [ 97.499195] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 97.507038] r9:c07e0608 r8:c6fc7f60 r7:c2815800 r6:b6dee000 r5:c69a3540 r4:00000000 [ 97.514793] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 97.521940] r10:00000004 r9:00000000 r8:00000000 r7:b6dee000 r6:c6fc6000 r5:c69a3540 [ 97.529776] r4:c69a3540 [ 97.532323] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 97.539470] r9:c6fc6000 r8:c03002e4 r7:00000004 r6:b6f35e00 r5:00000020 r4:00000020 [ 97.547231] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 97.554810] Exception stack(0xc6fc7fa8 to 0xc6fc7ff0) [ 97.559875] 7fa0: 00000020 00000020 00000001 b6dee000 00000020 00000000 [ 97.568065] 7fc0: 00000020 00000020 b6f35e00 00000004 00000001 00000000 00020000 beab8ac4 [ 97.576250] 7fe0: 00000004 beab87f8 b6e9fd8f b6e267e6 [ 97.581386] irq event stamp: 0 [ 97.584464] hardirqs last enabled at (0): [<00000000>] 0x0 [ 97.590057] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 [ 97.597607] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 [ 97.605177] softirqs last disabled at (0): [<00000000>] 0x0 [ 97.610809] ---[ end trace 10039795b0cb1a64 ]--- [ 97.615447] lkdtm: Saturation detected: still saturated # [ 97.294166] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 97.301191] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 97.307908] ------------[ cut here ]------------ # [ 97.312600] WARNING: CPU: 2 PID: 3033 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 97.321094] refcount_t: saturated; leaking memory. # [ 97.325901] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display imx_ldb imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 97.355143] CPU: 2 PID: 3033 Comm: cat Tainted: G D W 5.10.184-cip36 #1 # [ 97.362897] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 97.369432] Backtrace: # [ 97.371912] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 97.379494] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 # [ 97.385169] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 97.392498] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 97.399474] r9:00000009 r8:c0873bbc r7:00000013 r6:00000009 r5:c0873bbc r4:c1a22f4c # [ 97.407233] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 97.414725] r7:00000013 r6:c1a22f4c r5:c1a22f24 r4:c6fc6000 # [ 97.420400] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 97.429371] r9:c1acedf0 r8:c15ead50 r7:c6fc7f60 r6:00000020 r5:c6d85000 r4:c0000000 # [ 97.437135] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 97.447588] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x50/0x88) # [ 97.459336] r5:c6d85000 r4:c6fc6000 # [ 97.462929] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 97.472935] r4:00000038 # [ 97.475483] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 97.483504] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 97.491433] r9:c6fc7f60 r8:c30e7780 r7:00000020 r6:b6dee000 r5:c69a3540 r4:c0c53cfc # [ 97.499195] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 97.507038] r9:c07e0608 r8:c6fc7f60 r7:c2815800 r6:b6dee000 r5:c69a3540 r4:00000000 # [ 97.514793] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 97.521940] r10:00000004 r9:00000000 r8:00000000 r7:b6dee000 r6:c6fc6000 r5:c69a3540 # [ 97.529776] r4:c69a3540 # [ 97.532323] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 97.539470] r9:c6fc6000 r8:c03002e4 r7:00000004 r6:b6f35e00 r5:00000020 r4:00000020 # [ 97.547231] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 97.554810] Exception stack(0xc6fc7fa8 to 0xc6fc7ff0) # [ 97.559875] 7fa0: 00000020 00000020 00000001 b6dee000 00000020 00000000 # [ 97.568065] 7fc0: 00000020 00000020 b6f35e00 00000004 00000001 00000000 00020000 beab8ac4 # [ 97.576250] 7fe0: 00000004 beab87f8 b6e9fd8f b6e267e6 # [ 97.581386] irq event stamp: 0 # [ 97.584464] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 97.590057] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 # [ 97.597607] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 # [ 97.605177] softirqs last disabled at (0): [<00000000>] 0x0 # [ 97.610809] ---[ end trace 10039795b0cb1a64 ]--- # [ 97.615447] 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 [ 98.205983] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED [ 98.213014] lkdtm: attempting bad refcount_add_not_zero() from saturated [ 98.219756] ------------[ cut here ]------------ [ 98.224555] WARNING: CPU: 3 PID: 3067 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 [ 98.233130] refcount_t: saturated; leaking memory. [ 98.237958] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display imx_ldb imxdrm etnaviv gpu_sched imx_ipu_v3 [ 98.267556] CPU: 3 PID: 3067 Comm: cat Tainted: G D W 5.10.184-cip36 #1 [ 98.275329] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 98.281878] Backtrace: [ 98.284388] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 98.291992] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 [ 98.297695] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 98.305048] [] (dump_stack) from [] (__warn+0x98/0x14c) [ 98.312044] r9:00000009 r8:c0873bbc r7:00000013 r6:00000009 r5:c0873bbc r4:c1a22f4c [ 98.319826] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 98.327338] r7:00000013 r6:c1a22f4c r5:c1a22f24 r4:c59ee000 [ 98.333035] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) [ 98.342025] r9:c1acee10 r8:c15ead50 r7:c59eff60 r6:00000020 r5:c2f6d000 r4:c0000000 [ 98.349814] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) [ 98.360294] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x50/0x88) [ 98.372056] r5:c2f6d000 r4:c59ee000 [ 98.375673] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) [ 98.385696] r4:00000039 [ 98.388261] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 98.396306] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 98.404255] r9:c59eff60 r8:c30e7780 r7:00000020 r6:b6def000 r5:c581f540 r4:c0c53cfc [ 98.412039] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 98.419901] r9:c07e0608 r8:c59eff60 r7:c2815800 r6:b6def000 r5:c581f540 r4:00000000 [ 98.427678] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 98.434845] r10:00000004 r9:00000000 r8:00000000 r7:b6def000 r6:c59ee000 r5:c581f540 [ 98.442695] r4:c581f540 [ 98.445263] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 98.452431] r9:c59ee000 r8:c03002e4 r7:00000004 r6:b6f36e00 r5:00000020 r4:00000020 [ 98.460211] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 98.467803] Exception stack(0xc59effa8 to 0xc59efff0) [ 98.472888] ffa0: 00000020 00000020 00000001 b6def000 00000020 00000000 [ 98.481099] ffc0: 00000020 00000020 b6f36e00 00000004 00000001 00000000 00020000 be86dac4 [ 98.489301] ffe0: 00000004 be86d7f8 b6ea0d8f b6e277e6 [ 98.494506] irq event stamp: 0 [ 98.497610] hardirqs last enabled at (0): [<00000000>] 0x0 [ 98.503295] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 [ 98.510889] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 [ 98.518415] softirqs last disabled at (0): [<00000000>] 0x0 [ 98.524080] ---[ end trace 10039795b0cb1a65 ]--- [ 98.528736] lkdtm: Saturation detected: still saturated # [ 98.205983] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 98.213014] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 98.219756] ------------[ cut here ]------------ # [ 98.224555] WARNING: CPU: 3 PID: 3067 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 98.233130] refcount_t: saturated; leaking memory. # [ 98.237958] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display imx_ldb imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 98.267556] CPU: 3 PID: 3067 Comm: cat Tainted: G D W 5.10.184-cip36 #1 # [ 98.275329] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 98.281878] Backtrace: # [ 98.284388] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 98.291992] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 # [ 98.297695] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 98.305048] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 98.312044] r9:00000009 r8:c0873bbc r7:00000013 r6:00000009 r5:c0873bbc r4:c1a22f4c # [ 98.319826] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 98.327338] r7:00000013 r6:c1a22f4c r5:c1a22f24 r4:c59ee000 # [ 98.333035] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 98.342025] r9:c1acee10 r8:c15ead50 r7:c59eff60 r6:00000020 r5:c2f6d000 r4:c0000000 # [ 98.349814] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 98.360294] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x50/0x88) # [ 98.372056] r5:c2f6d000 r4:c59ee000 # [ 98.375673] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 98.385696] r4:00000039 # [ 98.388261] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 98.396306] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 98.404255] r9:c59eff60 r8:c30e7780 r7:00000020 r6:b6def000 r5:c581f540 r4:c0c53cfc # [ 98.412039] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 98.419901] r9:c07e0608 r8:c59eff60 r7:c2815800 r6:b6def000 r5:c581f540 r4:00000000 # [ 98.427678] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 98.434845] r10:00000004 r9:00000000 r8:00000000 r7:b6def000 r6:c59ee000 r5:c581f540 # [ 98.442695] r4:c581f540 # [ 98.445263] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 98.452431] r9:c59ee000 r8:c03002e4 r7:00000004 r6:b6f36e00 r5:00000020 r4:00000020 # [ 98.460211] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 98.467803] Exception stack(0xc59effa8 to 0xc59efff0) # [ 98.472888] ffa0: 00000020 00000020 00000001 b6def000 00000020 00000000 # [ 98.481099] ffc0: 00000020 00000020 b6f36e00 00000004 00000001 00000000 00020000 be86dac4 # [ 98.489301] ffe0: 00000004 be86d7f8 b6ea0d8f b6e277e6 # [ 98.494506] irq event stamp: 0 # [ 98.497610] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 98.503295] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 # [ 98.510889] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 # [ 98.518415] softirqs last disabled at (0): [<00000000>] 0x0 # [ 98.524080] ---[ end trace 10039795b0cb1a65 ]--- # [ 98.528736] 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 [ 99.166264] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED [ 99.173345] lkdtm: attempting bad refcount_dec_and_test() from saturated [ 99.180181] ------------[ cut here ]------------ [ 99.184866] WARNING: CPU: 3 PID: 3104 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 [ 99.193520] refcount_t: underflow; use-after-free. [ 99.198350] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display imx_ldb imxdrm etnaviv gpu_sched imx_ipu_v3 [ 99.227963] CPU: 3 PID: 3104 Comm: cat Tainted: G D W 5.10.184-cip36 #1 [ 99.235738] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 99.242289] Backtrace: [ 99.244797] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 99.252401] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 [ 99.258102] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 99.265453] [] (dump_stack) from [] (__warn+0x98/0x14c) [ 99.272449] r9:00000009 r8:c0873c58 r7:0000001c r6:00000009 r5:c0873c58 r4:c1a22f4c [ 99.280234] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 99.287747] r7:0000001c r6:c1a22f4c r5:c1a22f88 r4:c5f20000 [ 99.293443] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) [ 99.302521] r9:c1acee30 r8:c15ead50 r7:c5f21f60 r6:00000020 r5:c2f6d000 r4:c5f20000 [ 99.310304] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) [ 99.320789] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x50/0x88) [ 99.332564] [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) [ 99.342585] r4:0000003a [ 99.345152] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 99.353198] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 99.361146] r9:c5f21f60 r8:c30e7780 r7:00000020 r6:b6e15000 r5:c59c7400 r4:c0c53cfc [ 99.368932] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 99.376793] r9:c07e0608 r8:c5f21f60 r7:c2815800 r6:b6e15000 r5:c59c7400 r4:00000000 [ 99.384570] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 99.391736] r10:00000004 r9:00000000 r8:00000000 r7:b6e15000 r6:c5f20000 r5:c59c7400 [ 99.399586] r4:c59c7400 [ 99.402152] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 99.409319] r9:c5f20000 r8:c03002e4 r7:00000004 r6:b6f5ce00 r5:00000020 r4:00000020 [ 99.417097] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 99.424689] Exception stack(0xc5f21fa8 to 0xc5f21ff0) [ 99.429773] 1fa0: 00000020 00000020 00000001 b6e15000 00000020 00000000 [ 99.437982] 1fc0: 00000020 00000020 b6f5ce00 00000004 00000001 00000000 00020000 bed1eac4 [ 99.446184] 1fe0: 00000004 bed1e7f8 b6ec6d8f b6e4d7e6 [ 99.451388] irq event stamp: 0 [ 99.454494] hardirqs last enabled at (0): [<00000000>] 0x0 [ 99.460180] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 [ 99.467712] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 [ 99.475297] softirqs last disabled at (0): [<00000000>] 0x0 [ 99.480961] ---[ end trace 10039795b0cb1a66 ]--- [ 99.485652] lkdtm: Saturation detected: still saturated # [ 99.166264] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 99.173345] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 99.180181] ------------[ cut here ]------------ # [ 99.184866] WARNING: CPU: 3 PID: 3104 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 99.193520] refcount_t: underflow; use-after-free. # [ 99.198350] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display imx_ldb imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 99.227963] CPU: 3 PID: 3104 Comm: cat Tainted: G D W 5.10.184-cip36 #1 # [ 99.235738] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 99.242289] Backtrace: # [ 99.244797] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 99.252401] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 # [ 99.258102] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 99.265453] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 99.272449] r9:00000009 r8:c0873c58 r7:0000001c r6:00000009 r5:c0873c58 r4:c1a22f4c # [ 99.280234] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 99.287747] r7:0000001c r6:c1a22f4c r5:c1a22f88 r4:c5f20000 # [ 99.293443] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 99.302521] r9:c1acee30 r8:c15ead50 r7:c5f21f60 r6:00000020 r5:c2f6d000 r4:c5f20000 # [ 99.310304] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 99.320789] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x50/0x88) # [ 99.332564] [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 99.342585] r4:0000003a # [ 99.345152] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 99.353198] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 99.361146] r9:c5f21f60 r8:c30e7780 r7:00000020 r6:b6e15000 r5:c59c7400 r4:c0c53cfc # [ 99.368932] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 99.376793] r9:c07e0608 r8:c5f21f60 r7:c2815800 r6:b6e15000 r5:c59c7400 r4:00000000 # [ 99.384570] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 99.391736] r10:00000004 r9:00000000 r8:00000000 r7:b6e15000 r6:c5f20000 r5:c59c7400 # [ 99.399586] r4:c59c7400 # [ 99.402152] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 99.409319] r9:c5f20000 r8:c03002e4 r7:00000004 r6:b6f5ce00 r5:00000020 r4:00000020 # [ 99.417097] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 99.424689] Exception stack(0xc5f21fa8 to 0xc5f21ff0) # [ 99.429773] 1fa0: 00000020 00000020 00000001 b6e15000 00000020 00000000 # [ 99.437982] 1fc0: 00000020 00000020 b6f5ce00 00000004 00000001 00000000 00020000 bed1eac4 # [ 99.446184] 1fe0: 00000004 bed1e7f8 b6ec6d8f b6e4d7e6 # [ 99.451388] irq event stamp: 0 # [ 99.454494] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 99.460180] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 # [ 99.467712] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 # [ 99.475297] softirqs last disabled at (0): [<00000000>] 0x0 # [ 99.480961] ---[ end trace 10039795b0cb1a66 ]--- # [ 99.485652] 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 [ 100.098851] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED [ 100.105913] lkdtm: attempting bad refcount_sub_and_test() from saturated [ 100.112752] ------------[ cut here ]------------ [ 100.117434] WARNING: CPU: 2 PID: 3139 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 [ 100.126056] refcount_t: underflow; use-after-free. [ 100.130906] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display imx_ldb imxdrm etnaviv gpu_sched imx_ipu_v3 [ 100.160169] CPU: 2 PID: 3139 Comm: cat Tainted: G D W 5.10.184-cip36 #1 [ 100.167923] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 100.174459] Backtrace: [ 100.176939] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 100.184522] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 [ 100.190200] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 100.197528] [] (dump_stack) from [] (__warn+0x98/0x14c) [ 100.204504] r9:00000009 r8:c0873c58 r7:0000001c r6:00000009 r5:c0873c58 r4:c1a22f4c [ 100.212263] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 100.219757] r7:0000001c r6:c1a22f4c r5:c1a22f88 r4:c6bca000 [ 100.225433] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) [ 100.234491] r9:c1acee50 r8:c15ead50 r7:c6bcbf60 r6:00000020 r5:c6d85000 r4:c6bca000 [ 100.242252] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) [ 100.252710] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x50/0x88) [ 100.264463] [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) [ 100.274470] r4:0000003b [ 100.277017] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 100.285039] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 100.292969] r9:c6bcbf60 r8:c30e7780 r7:00000020 r6:b6df5000 r5:c59a1a40 r4:c0c53cfc [ 100.300734] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 100.308576] r9:c07e0608 r8:c6bcbf60 r7:c2815800 r6:b6df5000 r5:c59a1a40 r4:00000000 [ 100.316333] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 100.323481] r10:00000004 r9:00000000 r8:00000000 r7:b6df5000 r6:c6bca000 r5:c59a1a40 [ 100.331316] r4:c59a1a40 [ 100.333864] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 100.341012] r9:c6bca000 r8:c03002e4 r7:00000004 r6:b6f3ce00 r5:00000020 r4:00000020 [ 100.348770] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 100.356348] Exception stack(0xc6bcbfa8 to 0xc6bcbff0) [ 100.361412] bfa0: 00000020 00000020 00000001 b6df5000 00000020 00000000 [ 100.369601] bfc0: 00000020 00000020 b6f3ce00 00000004 00000001 00000000 00020000 beb23ac4 [ 100.377787] bfe0: 00000004 beb237f8 b6ea6d8f b6e2d7e6 [ 100.382928] irq event stamp: 0 [ 100.386008] hardirqs last enabled at (0): [<00000000>] 0x0 [ 100.391650] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 [ 100.399181] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 [ 100.406758] softirqs last disabled at (0): [<00000000>] 0x0 [ 100.412392] ---[ end trace 10039795b0cb1a67 ]--- [ 100.417028] lkdtm: Saturation detected: still saturated # [ 100.098851] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 100.105913] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 100.112752] ------------[ cut here ]------------ # [ 100.117434] WARNING: CPU: 2 PID: 3139 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 100.126056] refcount_t: underflow; use-after-free. # [ 100.130906] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display imx_ldb imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 100.160169] CPU: 2 PID: 3139 Comm: cat Tainted: G D W 5.10.184-cip36 #1 # [ 100.167923] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 100.174459] Backtrace: # [ 100.176939] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 100.184522] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 # [ 100.190200] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 100.197528] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 100.204504] r9:00000009 r8:c0873c58 r7:0000001c r6:00000009 r5:c0873c58 r4:c1a22f4c # [ 100.212263] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 100.219757] r7:0000001c r6:c1a22f4c r5:c1a22f88 r4:c6bca000 # [ 100.225433] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 100.234491] r9:c1acee50 r8:c15ead50 r7:c6bcbf60 r6:00000020 r5:c6d85000 r4:c6bca000 # [ 100.242252] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 100.252710] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x50/0x88) # [ 100.264463] [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 100.274470] r4:0000003b # [ 100.277017] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 100.285039] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 100.292969] r9:c6bcbf60 r8:c30e7780 r7:00000020 r6:b6df5000 r5:c59a1a40 r4:c0c53cfc # [ 100.300734] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 100.308576] r9:c07e0608 r8:c6bcbf60 r7:c2815800 r6:b6df5000 r5:c59a1a40 r4:00000000 # [ 100.316333] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 100.323481] r10:00000004 r9:00000000 r8:00000000 r7:b6df5000 r6:c6bca000 r5:c59a1a40 # [ 100.331316] r4:c59a1a40 # [ 100.333864] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 100.341012] r9:c6bca000 r8:c03002e4 r7:00000004 r6:b6f3ce00 r5:00000020 r4:00000020 # [ 100.348770] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 100.356348] Exception stack(0xc6bcbfa8 to 0xc6bcbff0) # [ 100.361412] bfa0: 00000020 00000020 00000001 b6df5000 00000020 00000000 # [ 100.369601] bfc0: 00000020 00000020 b6f3ce00 00000004 00000001 00000000 00020000 beb23ac4 # [ 100.377787] bfe0: 00000004 beb237f8 b6ea6d8f b6e2d7e6 # [ 100.382928] irq event stamp: 0 # [ 100.386008] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 100.391650] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 # [ 100.399181] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 # [ 100.406758] softirqs last disabled at (0): [<00000000>] 0x0 # [ 100.412392] ---[ end trace 10039795b0cb1a67 ]--- # [ 100.417028] 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 [ 101.464527] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO [ 101.470705] lkdtm: attempting good copy_to_user of correct size [ 101.476731] lkdtm: attempting bad copy_to_user of too large size # [ 101.464527] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 101.470705] lkdtm: attempting good copy_to_user of correct size # [ 101.476731] 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 [ 102.043878] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM [ 102.050276] lkdtm: attempting good copy_from_user of correct size [ 102.056451] lkdtm: attempting bad copy_from_user of too large size # [ 102.043878] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 102.050276] lkdtm: attempting good copy_from_user of correct size # [ 102.056451] 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 [ 102.615217] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO [ 102.621940] lkdtm: attempting good copy_to_user inside whitelist [ 102.628052] lkdtm: attempting bad copy_to_user outside whitelist # [ 102.615217] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 102.621940] lkdtm: attempting good copy_to_user inside whitelist # [ 102.628052] 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 [ 103.189478] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM [ 103.196359] lkdtm: attempting good copy_from_user inside whitelist [ 103.202718] lkdtm: attempting bad copy_from_user outside whitelist # [ 103.189478] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 103.196359] lkdtm: attempting good copy_from_user inside whitelist # [ 103.202718] 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 [ 103.769981] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO [ 103.776303] lkdtm: good_stack: c5a75e0c-c5a75e2c [ 103.781093] lkdtm: bad_stack : c5a75d84-c5a75da4 [ 103.785773] lkdtm: attempting good copy_to_user of local stack [ 103.791824] lkdtm: attempting bad copy_to_user of distant stack # [ 103.769981] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 103.776303] lkdtm: good_stack: c5a75e0c-c5a75e2c # [ 103.781093] lkdtm: bad_stack : c5a75d84-c5a75da4 # [ 103.785773] lkdtm: attempting good copy_to_user of local stack # [ 103.791824] 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 [ 104.346341] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM [ 104.352857] lkdtm: good_stack: c6fc7e0c-c6fc7e2c [ 104.357514] lkdtm: bad_stack : c6fc7d84-c6fc7da4 [ 104.362222] lkdtm: attempting good copy_from_user of local stack [ 104.368264] lkdtm: attempting bad copy_from_user of distant stack # [ 104.346341] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 104.352857] lkdtm: good_stack: c6fc7e0c-c6fc7e2c # [ 104.357514] lkdtm: bad_stack : c6fc7d84-c6fc7da4 # [ 104.362222] lkdtm: attempting good copy_from_user of local stack # [ 104.368264] 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 [ 104.938051] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND [ 104.944219] lkdtm: good_stack: c5cd5e0c-c5cd5e2c [ 104.948877] lkdtm: bad_stack : c5cd5ffc-c5cd601c [ 104.953609] lkdtm: attempting good copy_to_user of local stack [ 104.959495] lkdtm: attempting bad copy_to_user of distant stack # [ 104.938051] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 104.944219] lkdtm: good_stack: c5cd5e0c-c5cd5e2c # [ 104.948877] lkdtm: bad_stack : c5cd5ffc-c5cd601c # [ 104.953609] lkdtm: attempting good copy_to_user of local stack # [ 104.959495] 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 [ 105.517590] lkdtm: Performing direct entry USERCOPY_KERNEL [ 105.523302] lkdtm: attempting good copy_to_user from kernel rodata: c15eaffc [ 105.530550] lkdtm: attempting bad copy_to_user from kernel text: c053cc24 [ 105.537391] lkdtm: FAIL: survived bad copy_to_user() # [ 105.517590] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 105.523302] lkdtm: attempting good copy_to_user from kernel rodata: c15eaffc # [ 105.530550] lkdtm: attempting bad copy_to_user from kernel text: c053cc24 # [ 105.537391] 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 [ 106.129660] lkdtm: Performing direct entry STACKLEAK_ERASING [ 106.135430] lkdtm: checking unused part of the thread stack (7732 bytes)... [ 106.142509] lkdtm: FAIL: the erased part is not found (checked 7732 bytes) [ 106.149402] lkdtm: FAIL: the thread stack is NOT properly erased [ 106.155489] CPU: 3 PID: 3504 Comm: cat Tainted: G D W 5.10.184-cip36 #1 [ 106.163245] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 106.169780] Backtrace: [ 106.172261] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 106.179844] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 [ 106.185521] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 106.192852] [] (dump_stack) from [] (lkdtm_STACKLEAK_ERASING+0x148/0x174) [ 106.201389] r9:c1acef58 r8:c15ead50 r7:c5a75f60 r6:c5a75e34 r5:c5a74000 r4:0000078d [ 106.209148] [] (lkdtm_STACKLEAK_ERASING) from [] (lkdtm_do_action+0x2c/0x4c) [ 106.217946] r8:c15ead50 r7:c5a75f60 r6:00000012 r5:c452a000 r4:00000046 [ 106.224659] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 106.232682] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 106.240611] r9:c5a75f60 r8:c30e7780 r7:00000012 r6:b6e73000 r5:c69ff540 r4:c0c53cfc [ 106.248373] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 106.256217] r9:c07e0608 r8:c5a75f60 r7:c2815800 r6:b6e73000 r5:c69ff540 r4:00000000 [ 106.263975] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 106.271123] r10:00000004 r9:00000000 r8:00000000 r7:b6e73000 r6:c5a74000 r5:c69ff540 [ 106.278960] r4:c69ff540 [ 106.281507] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 106.288655] r9:c5a74000 r8:c03002e4 r7:00000004 r6:b6fbae00 r5:00000012 r4:00000012 [ 106.296417] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 106.303996] Exception stack(0xc5a75fa8 to 0xc5a75ff0) [ 106.309061] 5fa0: 00000012 00000012 00000001 b6e73000 00000012 00000000 [ 106.317252] 5fc0: 00000012 00000012 b6fbae00 00000004 00000001 00000000 00020000 bec5fac4 [ 106.325438] 5fe0: 00000004 bec5f7f8 b6f24d8f b6eab7e6 # [ 106.129660] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 106.135430] lkdtm: checking unused part of the thread stack (7732 bytes)... # [ 106.142509] lkdtm: FAIL: the erased part is not found (checked 7732 bytes) # [ 106.149402] lkdtm: FAIL: the thread stack is NOT properly erased # [ 106.155489] CPU: 3 PID: 3504 Comm: cat Tainted: G D W 5.10.184-cip36 #1 # [ 106.163245] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 106.169780] Backtrace: # [ 106.172261] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 106.179844] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8 # [ 106.185521] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 106.192852] [] (dump_stack) from [] (lkdtm_STACKLEAK_ERASING+0x148/0x174) # [ 106.201389] r9:c1acef58 r8:c15ead50 r7:c5a75f60 r6:c5a75e34 r5:c5a74000 r4:0000078d # [ 106.209148] [] (lkdtm_STACKLEAK_ERASING) from [] (lkdtm_do_action+0x2c/0x4c) # [ 106.217946] r8:c15ead50 r7:c5a75f60 r6:00000012 r5:c452a000 r4:00000046 # [ 106.224659] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 106.232682] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 106.240611] r9:c5a75f60 r8:c30e7780 r7:00000012 r6:b6e73000 r5:c69ff540 r4:c0c53cfc # [ 106.248373] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 106.256217] r9:c07e0608 r8:c5a75f60 r7:c2815800 r6:b6e73000 r5:c69ff540 r4:00000000 # [ 106.263975] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 106.271123] r10:00000004 r9:00000000 r8:00000000 r7:b6e73000 r6:c5a74000 r5:c69ff540 # [ 106.278960] r4:c69ff540 # [ 106.281507] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 106.288655] r9:c5a74000 r8:c03002e4 r7:00000004 r6:b6fbae00 r5:00000012 r4:00000012 # [ 106.296417] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 106.303996] Exception stack(0xc5a75fa8 to 0xc5a75ff0) # [ 106.309061] 5fa0: 00000012 00000012 00000001 b6e73000 00000012 00000000 # [ 106.317252] 5fc0: 00000012 00000012 b6fbae00 00000004 00000001 00000000 00020000 bec5fac4 # [ 106.325438] 5fe0: 00000004 bec5f7f8 b6f24d8f b6eab7e6 # 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 [ 106.888563] lkdtm: Performing direct entry CFI_FORWARD_PROTO [ 106.894356] lkdtm: Calling matched prototype ... [ 106.899010] lkdtm: Calling mismatched prototype ... [ 106.904061] lkdtm: Fail: survived mismatched prototype function call! # [ 106.888563] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 106.894356] lkdtm: Calling matched prototype ... # [ 106.899010] lkdtm: Calling mismatched prototype ... # [ 106.904061] 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 lkdtm_PANIC_sh_selftests_lkdtm_panic_sh skip lkdtm_BUG_sh pass lkdtm_WARNING_sh pass lkdtm_WARNING_MESSAGE_sh pass lkdtm_EXCEPTION_sh fail lkdtm_LOOP_sh_selftests_lkdtm_loop_sh skip lkdtm_EXHAUST_STACK_sh_selftests_lkdtm_exhaust_stack_sh skip lkdtm_CORRUPT_STACK_sh_selftests_lkdtm_corrupt_stack_sh skip lkdtm_CORRUPT_STACK_STRONG_sh_selftests_lkdtm_corrupt_stack_strong_sh skip lkdtm_CORRUPT_LIST_ADD_sh fail lkdtm_CORRUPT_LIST_DEL_sh fail lkdtm_STACK_GUARD_PAGE_LEADING_sh fail lkdtm_STACK_GUARD_PAGE_TRAILING_sh fail lkdtm_UNSET_SMEP_sh_selftests_lkdtm_unset_smep_sh skip lkdtm_DOUBLE_FAULT_sh_selftests_lkdtm_double_fault_sh skip lkdtm_CORRUPT_PAC_sh_selftests_lkdtm_corrupt_pac_sh skip lkdtm_UNALIGNED_LOAD_STORE_WRITE_sh_selftests_lkdtm_unaligned_load_store_write_sh skip lkdtm_OVERWRITE_ALLOCATION_sh_selftests_lkdtm_overwrite_allocation_sh skip lkdtm_WRITE_AFTER_FREE_sh_selftests_lkdtm_write_after_free_sh skip lkdtm_READ_AFTER_FREE_sh fail lkdtm_WRITE_BUDDY_AFTER_FREE_sh_selftests_lkdtm_write_buddy_after_free_sh skip lkdtm_READ_BUDDY_AFTER_FREE_sh fail lkdtm_SLAB_FREE_DOUBLE_sh fail lkdtm_SLAB_FREE_CROSS_sh fail lkdtm_SLAB_FREE_PAGE_sh fail lkdtm_SOFTLOCKUP_sh_selftests_lkdtm_softlockup_sh skip lkdtm_HARDLOCKUP_sh_selftests_lkdtm_hardlockup_sh skip lkdtm_SPINLOCKUP_sh_selftests_lkdtm_spinlockup_sh skip lkdtm_HUNG_TASK_sh_selftests_lkdtm_hung_task_sh skip lkdtm_EXEC_DATA_sh fail lkdtm_EXEC_STACK_sh fail lkdtm_EXEC_KMALLOC_sh fail lkdtm_EXEC_VMALLOC_sh fail lkdtm_EXEC_RODATA_sh fail lkdtm_EXEC_USERSPACE_sh fail lkdtm_EXEC_NULL_sh fail lkdtm_ACCESS_USERSPACE_sh fail lkdtm_ACCESS_NULL_sh fail lkdtm_WRITE_RO_sh fail lkdtm_WRITE_RO_AFTER_INIT_sh fail lkdtm_WRITE_KERN_sh fail lkdtm_REFCOUNT_INC_OVERFLOW_sh fail lkdtm_REFCOUNT_ADD_OVERFLOW_sh fail lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW_sh fail lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW_sh fail lkdtm_REFCOUNT_DEC_ZERO_sh fail lkdtm_REFCOUNT_DEC_NEGATIVE_sh pass lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE_sh pass lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE_sh pass lkdtm_REFCOUNT_INC_ZERO_sh fail lkdtm_REFCOUNT_ADD_ZERO_sh fail lkdtm_REFCOUNT_INC_SATURATED_sh pass lkdtm_REFCOUNT_DEC_SATURATED_sh pass lkdtm_REFCOUNT_ADD_SATURATED_sh pass lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED_sh fail lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED_sh fail lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED_sh pass lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED_sh pass lkdtm_REFCOUNT_TIMING_sh_selftests_lkdtm_refcount_timing_sh skip lkdtm_ATOMIC_TIMING_sh_selftests_lkdtm_atomic_timing_sh skip lkdtm_USERCOPY_HEAP_SIZE_TO_sh fail lkdtm_USERCOPY_HEAP_SIZE_FROM_sh fail lkdtm_USERCOPY_HEAP_WHITELIST_TO_sh fail lkdtm_USERCOPY_HEAP_WHITELIST_FROM_sh fail lkdtm_USERCOPY_STACK_FRAME_TO_sh fail lkdtm_USERCOPY_STACK_FRAME_FROM_sh fail lkdtm_USERCOPY_STACK_BEYOND_sh fail lkdtm_USERCOPY_KERNEL_sh fail lkdtm_STACKLEAK_ERASING_sh fail lkdtm_CFI_FORWARD_PROTO_sh fail + ../../utils/send-to-lava.sh ./output/result.txt + set +x / #