[Enter `^Ec?' for help] U-Boot 2021.10+dfsg-1+apertis10bv2023dev2b2 (Apr 18 2022 - 16:34:49 +0000) CPU: Freescale i.MX6Q rev1.2 at 792 MHz Reset cause: POR Model: Freescale i.MX6 Quad SABRE Lite Board Board: SABRE Lite I2C: ready DRAM: 1 GiB MMC: FSL_SDHC: 0, FSL_SDHC: 1 Loading Environment from SPIFlash... SF: Detected gd25q16 with page size 256 Bytes, erase size 4 KiB, total 2 MiB *** Warning - bad CRC, using default environment In: serial Out: serial Err: serial Net: using phy at 7 FEC [PRIME], usb_ether Error: usb_ether address not set. starting USB... Bus usb@2184000: usb dr_mode not found Bus usb@2184200: USB EHCI 1.00 scanning bus usb@2184000 for devices... 1 USB Device(s) found scanning bus usb@2184200 for devices... 2 USB Device(s) found scanning usb for storage devices... 0 Storage Device(s) found scanning usb for ethernet devices... 0 Ethernet Device(s) found 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 192.168.201.35 (10 ms) => setenv serverip 192.168.201.1 setenv serverip 192.168.201.1 => tftp 0x10000000 9568612/tftp-deploy-rkb0xcqy/kernel/zImage tftp 0x10000000 9568612/tftp-deploy-rkb0xcqy/kernel/zImage Using FEC device TFTP from server 192.168.201.1; our IP address is 192.168.201.35 Filename '9568612/tftp-deploy-rkb0xcqy/kernel/zImage'. Load address: 0x10000000 Loading: *################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ############################################################### 12 MiB/s done Bytes transferred = 12362240 (bca200 hex) => tftp 0x14000000 9568612/tftp-deploy-rkb0xcqy/ramdisk/ramdisk.cpio.gz.uboot tftp 0x14000000 9568612/tftp-deploy-rkb0xcqy/ramdisk/ramdisk.cpio.gz.uboot Using FEC device TFTP from server 192.168.201.1; our IP address is 192.168.201.35 Filename '9568612/tftp-deploy-rkb0xcqy/ramdisk/ramdisk.cpio.gz.uboot'. Load address: 0x14000000 Loading: *################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ############## 12.5 MiB/s done Bytes transferred = 15466280 (ebff28 hex) => setenv initrd_size ${filesize} setenv initrd_size ${filesize} => tftp 0x13f00000 9568612/tftp-deploy-rkb0xcqy/dtb/imx6q-sabrelite.dtb tftp 0x13f00000 9568612/tftp-deploy-rkb0xcqy/dtb/imx6q-sabrelite.dtb Using FEC device TFTP from server 192.168.201.1; our IP address is 192.168.201.35 Filename '9568612/tftp-deploy-rkb0xcqy/dtb/imx6q-sabrelite.dtb'. Load address: 0x13f00000 Loading: *### 3.7 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/9568612/extract-nfsrootfs-ay4azet_,tcp,hard console_msg_format=syslog earlycon ip=dhcp' setenv bootargs 'console=ttymxc1,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/9568612/extract-nfsrootfs-ay4azet_,tcp,hard console_msg_format=syslog earlycon ip=dhcp' => bootz 0x10000000 0x14000000 0x13f00000 bootz 0x10000000 0x14000000 0x13f00000 Kernel image @ 0x10000000 [ 0x000000 - 0xbca200 ] ## Loading init Ramdisk from Legacy Image at 14000000 ... Image Name: Image Type: ARM Linux RAMDisk Image (uncompressed) Data Size: 15466216 Bytes = 14.7 MiB Load Address: 00000000 Entry Point: 00000000 Verifying Checksum ... OK ## Flattened Device Tree blob at 13f00000 Booting using the fdt blob at 0x13f00000 Using Device Tree in place at 13f00000, end 13f0d5d0 Starting kernel ... [ 0.000000] Booting Linux on physical CPU 0x0 [ 0.000000] Linux version 5.10.173-cip27 (KernelCI@build-j1167410-arm-gcc-10-multi-v7-defconfig-kselftest-nvjxb) (arm-linux-gnueabihf-gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Sun Mar 12 07:56:45 UTC 2023 [ 0.000000] CPU: ARMv7 Processor [412fc09a] revision 10 (ARMv7), cr=10c5387d [ 0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache [ 0.000000] OF: fdt: Machine model: Freescale i.MX6 Quad SABRE Lite Board [ 0.000000] earlycon: ec_imx21 at MMIO 0x021e8000 (options '') [ 0.000000] printk: bootconsole [ec_imx21] enabled [ 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/9568612/extract-nfsrootfs-ay4azet_,tcp,hard console_msg_format=syslog earlycon ip=dhcp <6>[ 0.000000] Dentry cache hash table entries: 131072 (order: 7, 524288 bytes, linear) <6>[ 0.000000] Inode-cache hash table entries: 65536 (order: 6, 262144 bytes, linear) <6>[ 0.000000] mem auto-init: stack:off, heap alloc:off, heap free:off <6>[ 0.000000] Memory: 921412K/1048576K available (17408K kernel code, 2656K rwdata, 8100K rodata, 2048K init, 6694K bss, 61628K reserved, 65536K cma-reserved, 196608K highmem) <6>[ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 <6>[ 0.000000] ftrace: allocating 55399 entries in 163 pages <6>[ 0.000000] ftrace: allocated 163 pages with 4 groups <6>[ 0.000000] Running RCU self tests <6>[ 0.000000] rcu: Hierarchical RCU implementation. <6>[ 0.000000] rcu: RCU event tracing is enabled. <6>[ 0.000000] rcu: RCU lockdep checking is enabled. <6>[ 0.000000] rcu: RCU restricting CPUs from NR_CPUS=16 to nr_cpu_ids=4. <6>[ 0.000000] Rude variant of Tasks RCU enabled. <6>[ 0.000000] Tracing variant of Tasks RCU enabled. <6>[ 0.000000] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. <6>[ 0.000000] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4 <6>[ 0.000000] NR_IRQS: 16, nr_irqs: 16, preallocated irqs: 16 <6>[ 0.000000] L2C-310 errata 752271 769419 enabled <6>[ 0.000000] L2C-310 enabling early BRESP for Cortex-A9 <6>[ 0.000000] L2C-310 full line of zeros enabled for Cortex-A9 <6>[ 0.000000] L2C-310 ID prefetch enabled, offset 16 lines <6>[ 0.000000] L2C-310 dynamic clock gating enabled, standby mode enabled <6>[ 0.000000] L2C-310 cache controller enabled, 16 ways, 1024 kB <6>[ 0.000000] L2C-310: CACHE_ID 0x410000c7, AUX_CTRL 0x76470001 <6>[ 0.000000] Switching to timer-based delay loop, resolution 333ns <6>[ 0.000010] sched_clock: 32 bits at 3000kHz, resolution 333ns, wraps every 715827882841ns <6>[ 0.008445] clocksource: mxc_timer1: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 637086815595 ns <6>[ 0.022909] Console: colour dummy device 80x30 <4>[ 0.024816] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar <4>[ 0.032827] ... MAX_LOCKDEP_SUBCLASSES: 8 <4>[ 0.037170] ... MAX_LOCK_DEPTH: 48 <4>[ 0.041581] ... MAX_LOCKDEP_KEYS: 8192 <4>[ 0.046217] ... CLASSHASH_SIZE: 4096 <4>[ 0.050804] ... MAX_LOCKDEP_ENTRIES: 32768 <4>[ 0.055526] ... MAX_LOCKDEP_CHAINS: 65536 <4>[ 0.060200] ... CHAINHASH_SIZE: 32768 <4>[ 0.064897] memory used by lock dependency info: 4061 kB <4>[ 0.070577] memory used for stack traces: 2112 kB <4>[ 0.075622] per task-struct memory footprint: 1536 bytes <6>[ 0.081311] Calibrating delay loop (skipped), value calculated using timer frequency.. 6.00 BogoMIPS (lpj=30000) <6>[ 0.091727] pid_max: default: 32768 minimum: 301 <6>[ 0.096940] LSM: Security Framework initializing <6>[ 0.101518] LSM support for eBPF active <6>[ 0.105676] Mount-cache hash table entries: 2048 (order: 1, 8192 bytes, linear) <6>[ 0.113119] Mountpoint-cache hash table entries: 2048 (order: 1, 8192 bytes, linear) <6>[ 0.123667] CPU: Testing write buffer coherency: ok <6>[ 0.126282] CPU0: Spectre v2: using BPIALL workaround <6>[ 0.132556] CPU0: thread -1, cpu 0, socket 0, mpidr 80000000 <6>[ 0.141772] Setting up static identity map for 0x10300000 - 0x103000ac <6>[ 0.148325] rcu: Hierarchical SRCU implementation. <6>[ 0.161447] EFI services will not be available. <6>[ 0.164782] smp: Bringing up secondary CPUs ... <6>[ 0.171737] CPU1: thread -1, cpu 1, socket 0, mpidr 80000001 <6>[ 0.171754] CPU1: Spectre v2: using BPIALL workaround <6>[ 0.184444] CPU2: thread -1, cpu 2, socket 0, mpidr 80000002 <6>[ 0.184461] CPU2: Spectre v2: using BPIALL workaround <6>[ 0.196864] CPU3: thread -1, cpu 3, socket 0, mpidr 80000003 <6>[ 0.196878] CPU3: Spectre v2: using BPIALL workaround <6>[ 0.206309] smp: Brought up 1 node, 4 CPUs <6>[ 0.209630] SMP: Total of 4 processors activated (24.00 BogoMIPS). <6>[ 0.216163] CPU: All CPU(s) started in SVC mode. <6>[ 0.223805] devtmpfs: initialized <6>[ 0.288731] VFP support v0.3: implementor 41 architecture 3 part 30 variant 9 rev 4 <6>[ 0.296831] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns <6>[ 0.304145] futex hash table entries: 1024 (order: 4, 65536 bytes, linear) <6>[ 0.316342] pinctrl core: initialized pinctrl subsystem <6>[ 0.326682] DMI not present or invalid. <6>[ 0.330391] NET: Registered protocol family 16 <6>[ 0.344821] DMA: preallocated 256 KiB pool for atomic coherent allocations <6>[ 0.360013] thermal_sys: Registered thermal governor 'step_wise' <6>[ 0.360592] cpuidle: using governor menu <6>[ 0.368823] CPU identified as i.MX6Q, silicon rev 1.2 <6>[ 1.170727] vdd1p1: supplied by regulator-dummy <6>[ 1.206641] vdd3p0: supplied by regulator-dummy <6>[ 1.242149] vdd2p5: supplied by regulator-dummy <6>[ 1.277693] vddarm: supplied by regulator-dummy <6>[ 1.314143] vddpu: supplied by regulator-dummy <6>[ 1.348595] vddsoc: supplied by regulator-dummy <6>[ 2.770565] No ATAGs? <6>[ 2.771251] hw-breakpoint: found 5 (+1 reserved) breakpoint and 1 watchpoint registers. <6>[ 2.778620] hw-breakpoint: maximum watchpoint size is 4 bytes. <6>[ 2.805543] imx6q-pinctrl 20e0000.pinctrl: initialized IMX pinctrl driver <6>[ 2.841491] Serial: AMBA PL011 UART driver <6>[ 2.915307] Kprobes globally optimized <6>[ 3.046740] iommu: Default domain type: Translated <6>[ 3.051136] vgaarb: loaded <5>[ 3.057380] SCSI subsystem initialized <6>[ 3.060895] usbcore: registered new interface driver usbfs <6>[ 3.064693] usbcore: registered new interface driver hub <6>[ 3.070096] usbcore: registered new device driver usb <6>[ 3.083475] i2c i2c-0: IMX I2C adapter registered <6>[ 3.093248] i2c i2c-1: IMX I2C adapter registered <6>[ 3.100269] i2c i2c-2: IMX I2C adapter registered <6>[ 3.107381] pps_core: LinuxPPS API ver. 1 registered <6>[ 3.109790] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <6>[ 3.119400] PTP clock support registered <6>[ 3.143625] clocksource: Switched to clocksource mxc_timer1 <6>[ 4.907281] NET: Registered protocol family 2 <6>[ 4.909861] IP idents hash table entries: 16384 (order: 5, 131072 bytes, linear) <6>[ 4.920366] tcp_listen_portaddr_hash hash table entries: 512 (order: 2, 22528 bytes, linear) <6>[ 4.926480] TCP established hash table entries: 8192 (order: 3, 32768 bytes, linear) <6>[ 4.934520] TCP bind hash table entries: 8192 (order: 6, 327680 bytes, linear) <6>[ 4.943440] TCP: Hash tables configured (established 8192 bind 8192) <6>[ 4.949409] MPTCP token hash table entries: 1024 (order: 3, 49152 bytes, linear) <6>[ 4.956388] UDP hash table entries: 512 (order: 3, 49152 bytes, linear) <6>[ 4.963174] UDP-Lite hash table entries: 512 (order: 3, 49152 bytes, linear) <6>[ 4.970957] NET: Registered protocol family 1 <6>[ 4.977789] RPC: Registered named UNIX socket transport module. <6>[ 4.981202] RPC: Registered udp transport module. <6>[ 4.986357] RPC: Registered tcp transport module. <6>[ 4.991107] RPC: Registered tcp NFSv4.1 backchannel transport module. <6>[ 4.997923] NET: Registered protocol family 44 <6>[ 5.002533] PCI: CLS 0 bytes, default 64 <6>[ 5.009325] Trying to unpack rootfs image as initramfs... <6>[ 6.983797] Freeing initrd memory: 15104K <4>[ 6.986199] hw perfevents: no interrupt-affinity property for /pmu, guessing. <6>[ 6.994944] hw perfevents: enabled with armv7_cortex_a9 PMU driver, 7 counters available <5>[ 7.011074] Initialise system trusted keyrings <6>[ 7.014041] workingset: timestamp_bits=30 max_order=18 bucket_order=0 <6>[ 7.078151] squashfs: version 4.0 (2009/01/31) Phillip Lougher <5>[ 7.085642] NFS: Registering the id_resolver key type <5>[ 7.088275] Key type id_resolver registered <5>[ 7.092584] Key type id_legacy registered <6>[ 7.097655] nfs4filelayout_init: NFSv4 File Layout Driver Registering... <6>[ 7.103938] nfs4flexfilelayout_init: NFSv4 Flexfile Layout Driver Registering... <6>[ 7.111638] ntfs: driver 2.1.32 [Flags: R/O]. <5>[ 7.118551] Key type asymmetric registered <5>[ 7.120504] Asymmetric key parser 'x509' registered <6>[ 7.126047] bounce: pool size: 64 pages <6>[ 7.129777] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 247) <6>[ 7.137439] io scheduler mq-deadline registered <6>[ 7.142081] io scheduler kyber registered <4>[ 7.147441] test_firmware: interface ready <6>[ 7.346754] mxs-dma 110000.dma-apbh: initialized <4>[ 7.419413] imx-sdma 20ec000.sdma: Direct firmware load for imx/sdma/sdma-imx6q.bin failed with error -2 <6>[ 7.426694] imx-sdma 20ec000.sdma: external firmware not found, using ROM firmware <6>[ 7.724699] Serial: 8250/16550 driver, 5 ports, IRQ sharing enabled <6>[ 7.751067] SuperH (H)SCI(F) driver initialized <6>[ 7.756347] 2020000.serial: ttymxc0 at MMIO 0x2020000 (irq = 34, base_baud = 5000000) is a IMX <6>[ 7.768035] 21e8000.serial: ttymxc1 at MMIO 0x21e8000 (irq = 81, base_baud = 5000000) is a IMX <6>[ 7.774626] printk: console [ttymxc1] enabled <6>[ 7.774626] printk: console [ttymxc1] enabled <6>[ 7.783393] printk: bootconsole [ec_imx21] disabled <6>[ 7.783393] printk: bootconsole [ec_imx21] disabled <6>[ 7.800515] msm_serial: driver initialized <6>[ 7.806228] STMicroelectronics ASC driver initialized <6>[ 7.818706] STM32 USART driver initialized <6>[ 7.847772] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 0 <4>[ 7.871453] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 7.880307] panel-simple panel-lcd: Specify missing connector_type <4>[ 7.888613] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 7.949603] brd: module loaded <6>[ 8.017464] loop: module loaded <6>[ 8.024701] lkdtm: No crash points registered, enable through debugfs <6>[ 8.048909] ahci-imx 2200000.sata: fsl,transmit-level-mV not specified, using 00000024 <6>[ 8.057227] ahci-imx 2200000.sata: fsl,transmit-boost-mdB not specified, using 00000480 <6>[ 8.065609] ahci-imx 2200000.sata: fsl,transmit-atten-16ths not specified, using 00002000 <6>[ 8.074157] ahci-imx 2200000.sata: fsl,receive-eq-mdB not specified, using 05000000 <4>[ 8.082454] ahci-imx 2200000.sata: supply ahci not found, using dummy regulator <4>[ 8.091166] ahci-imx 2200000.sata: supply phy not found, using dummy regulator <4>[ 8.099316] ahci-imx 2200000.sata: supply target not found, using dummy regulator <6>[ 8.111146] ahci-imx 2200000.sata: SSS flag set, parallel bus scan disabled <6>[ 8.118547] ahci-imx 2200000.sata: AHCI 0001.0300 32 slots 1 ports 3 Gbps 0x1 impl platform mode <6>[ 8.127708] ahci-imx 2200000.sata: flags: ncq sntf stag pm led clo only pmp pio slum part ccc apst <6>[ 8.142747] scsi host0: ahci-imx <6>[ 8.148970] ata1: SATA max UDMA/133 mmio [mem 0x02200000-0x02203fff] port 0x100 irq 84 <6>[ 8.220845] bgmac_bcma: Broadcom 47xx GBit MAC driver loaded <6>[ 8.235221] pps pps0: new PPS source ptp0 <6>[ 8.284322] fec 2188000.ethernet eth0: registered PHC device 0 <6>[ 8.295829] e1000e: Intel(R) PRO/1000 Network Driver <6>[ 8.301099] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. <6>[ 8.307659] igb: Intel(R) Gigabit Ethernet Network Driver <6>[ 8.313416] igb: Copyright (c) 2007-2014 Intel Corporation. <6>[ 8.343648] pegasus: v0.9.3 (2013/04/25), Pegasus/Pegasus II USB Ethernet driver <6>[ 8.351526] usbcore: registered new interface driver pegasus <6>[ 8.357788] usbcore: registered new interface driver asix <6>[ 8.363714] usbcore: registered new interface driver ax88179_178a <6>[ 8.370274] usbcore: registered new interface driver cdc_ether <6>[ 8.376717] usbcore: registered new interface driver smsc75xx <6>[ 8.383087] usbcore: registered new interface driver smsc95xx <6>[ 8.389299] usbcore: registered new interface driver net1080 <6>[ 8.395508] usbcore: registered new interface driver cdc_subset <6>[ 8.401887] usbcore: registered new interface driver zaurus <6>[ 8.408102] usbcore: registered new interface driver cdc_ncm <6>[ 8.428247] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver <6>[ 8.435225] ehci-pci: EHCI PCI platform driver <6>[ 8.440146] ehci-platform: EHCI generic platform driver <6>[ 8.446835] ehci-orion: EHCI orion driver <6>[ 8.452165] SPEAr-ehci: EHCI SPEAr driver <6>[ 8.457487] ehci-st: EHCI STMicroelectronics driver <6>[ 8.463682] ehci-exynos: EHCI Exynos driver <6>[ 8.469100] ehci-atmel: EHCI Atmel driver <6>[ 8.474406] tegra-ehci: Tegra EHCI driver <6>[ 8.479689] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver <6>[ 8.486238] ata1: SATA link down (SStatus 0 SControl 300) <6>[ 8.486304] ohci-pci: OHCI PCI platform driver <6>[ 8.492294] ahci-imx 2200000.sata: no device found, disabling link. <6>[ 8.496956] ohci-platform: OHCI generic platform driver <6>[ 8.503425] ahci-imx 2200000.sata: pass ahci_imx..hotplug=1 to enable hotplug <6>[ 8.510027] SPEAr-ohci: OHCI SPEAr driver <6>[ 8.521763] ohci-st: OHCI STMicroelectronics driver <6>[ 8.528031] ohci-atmel: OHCI Atmel driver <6>[ 8.536295] usbcore: registered new interface driver usb-storage <6>[ 8.578919] i2c /dev entries driver <6>[ 8.674533] sdhci: Secure Digital Host Controller Interface driver <6>[ 8.681017] sdhci: Copyright(c) Pierre Ossman <6>[ 8.696342] Synopsys Designware Multimedia Card Interface Driver <6>[ 8.710867] sdhci-pltfm: SDHCI platform and OF driver helper <6>[ 8.720887] sdhci-esdhc-imx 2198000.mmc: Got CD GPIO <6>[ 8.720894] sdhci-esdhc-imx 219c000.mmc: Got CD GPIO <6>[ 8.721101] sdhci-esdhc-imx 2198000.mmc: Got WP GPIO <6>[ 8.739328] ledtrig-cpu: registered to indicate activity on CPUs <6>[ 8.749977] usbcore: registered new interface driver usbhid <6>[ 8.755935] usbhid: USB HID core driver <6>[ 8.776311] mmc3: SDHCI controller on 219c000.mmc [219c000.mmc] using ADMA <6>[ 8.776349] mmc2: SDHCI controller on 2198000.mmc [2198000.mmc] using ADMA <6>[ 8.788882] ipip: IPv4 and MPLS over IPv4 tunneling driver <6>[ 8.799438] IPv4 over IPsec tunneling driver <6>[ 8.809846] NET: Registered protocol family 10 <6>[ 8.820975] Segment Routing with IPv6 <6>[ 8.832108] mmc2: new high speed SDHC card at address 0001 <6>[ 8.832156] NET: Registered protocol family 17 <5>[ 8.844501] Key type dns_resolver registered <6>[ 8.847111] mmcblk2: mmc2:0001 SD 14.6 GiB <6>[ 8.870849] ThumbEE CPU extension supported. <5>[ 8.875690] Registering SWP/SWPB emulation handler <5>[ 8.882185] Loading compiled-in X.509 certificates <4>[ 8.885653] GPT:Primary header thinks Alt. header is not at the end of the disk. <4>[ 8.895151] GPT:29296874 != 30560255 <4>[ 8.899035] GPT:Alternate GPT header not at the end of the disk. <4>[ 8.905390] GPT:29296874 != 30560255 <4>[ 8.909262] GPT: Use GNU Parted to correct GPT errors. <6>[ 8.914830] mmcblk2: p1 p2 p3 <4>[ 9.084928] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 9.093713] panel-simple panel-lcd: Specify missing connector_type <4>[ 9.107702] panel-simple panel-lvds0: supply power not found, using dummy regulator <4>[ 9.145729] imx_usb 2184200.usb: No over current polarity defined <6>[ 9.159591] ci_hdrc ci_hdrc.1: EHCI Host Controller <6>[ 9.165237] ci_hdrc ci_hdrc.1: new USB bus registered, assigned bus number 1 <6>[ 9.203838] ci_hdrc ci_hdrc.1: USB 2.0 started, EHCI 1.00 <6>[ 9.225827] hub 1-0:1.0: USB hub found <6>[ 9.232439] hub 1-0:1.0: 1 port detected <6>[ 9.250177] imx_thermal 20c8000.anatop:tempmon: Automotive CPU temperature grade - max:125C critical:120C passive:115C <4>[ 9.284372] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 9.292977] panel-simple panel-lcd: Specify missing connector_type <4>[ 9.306977] panel-simple panel-lvds0: supply power not found, using dummy regulator <4>[ 9.339854] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 9.348509] panel-simple panel-lcd: Specify missing connector_type <4>[ 9.362449] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 9.382913] input: gpio-keys as /devices/platform/gpio-keys/input/input0 <4>[ 9.413944] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 9.422536] panel-simple panel-lcd: Specify missing connector_type <4>[ 9.436515] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 9.459077] Micrel KSZ9021 Gigabit PHY 2188000.ethernet-1:07: attached PHY driver [Micrel KSZ9021 Gigabit PHY] (mii_bus:phy_addr=2188000.ethernet-1:07, irq=POLL) <6>[ 9.643682] usb 1-1: new high-speed USB device number 2 using ci_hdrc <6>[ 9.853387] hub 1-1:1.0: USB hub found <6>[ 9.861171] hub 1-1:1.0: 3 ports detected <4>[ 9.898652] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 9.907517] panel-simple panel-lcd: Specify missing connector_type <4>[ 9.923989] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 12.565163] fec 2188000.ethernet eth0: Link is Up - 1Gbps/Full - flow control off <6>[ 12.574957] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready <5>[ 12.603153] Sending DHCP requests ., OK <6>[ 12.648113] IP-Config: Got DHCP answer from 192.168.201.1, my address is 192.168.201.35 <6>[ 12.656780] IP-Config: Complete: <6>[ 12.660363] device=eth0, hwaddr=00:19:b8:08:f1:09, ipaddr=192.168.201.35, mask=255.255.255.0, gw=192.168.201.1 <6>[ 12.671405] host=imx6q-sabrelite-lava-cbg-5, domain=lava-rack, nis-domain=(none) <6>[ 12.679711] bootserver=192.168.201.1, rootserver=192.168.201.1, rootpath= <6>[ 12.679759] nameserver0=192.168.201.1 <6>[ 12.756685] Freeing unused kernel memory: 2048K <6>[ 12.764047] Run /init as init process Loading, please wait... Starting version 247.3-7+deb11u1 <6>[ 17.243294] imx-ipuv3 2400000.ipu: IPUv3H probed <4>[ 17.280663] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 17.294742] panel-simple panel-lcd: Specify missing connector_type <6>[ 17.306166] imx-ipuv3 2800000.ipu: IPUv3H probed <4>[ 17.322421] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 17.366623] CAN device driver interface <4>[ 17.386451] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 17.395235] panel-simple panel-lcd: Specify missing connector_type <4>[ 17.409620] panel-simple panel-lvds0: supply power not found, using dummy regulator <4>[ 17.443098] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 17.451878] panel-simple panel-lcd: Specify missing connector_type <6>[ 17.483055] etnaviv etnaviv: bound 130000.gpu (ops gpu_ops [etnaviv]) <6>[ 17.493375] etnaviv etnaviv: bound 134000.gpu (ops gpu_ops [etnaviv]) <6>[ 17.501502] etnaviv etnaviv: bound 2204000.gpu (ops gpu_ops [etnaviv]) <6>[ 17.508937] etnaviv-gpu 130000.gpu: model: GC2000, revision: 5108 <6>[ 17.525367] etnaviv-gpu 134000.gpu: model: GC320, revision: 5007 <6>[ 17.531990] etnaviv-gpu 2204000.gpu: model: GC355, revision: 1215 <6>[ 17.538485] etnaviv-gpu 2204000.gpu: Ignoring GPU with VG and FE2.0 <6>[ 17.548727] [drm] Initialized etnaviv 1.3.0 20151214 for etnaviv on minor 1 <4>[ 17.560922] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 17.576624] caam 2100000.crypto: Entropy delay = 3200 <4>[ 17.595330] panel-simple panel-lcd: supply power not found, using dummy regulator <6>[ 17.596281] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) <4>[ 17.604084] panel-simple panel-lcd: Specify missing connector_type <6>[ 17.629486] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) <6>[ 17.638687] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) <6>[ 17.642764] caam 2100000.crypto: Instantiated RNG4 SH0 <6>[ 17.656974] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) <4>[ 17.695368] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 17.703530] caam 2100000.crypto: Instantiated RNG4 SH1 <6>[ 17.709022] caam 2100000.crypto: device ID = 0x0a16010000000000 (Era 4) <6>[ 17.716011] caam 2100000.crypto: job rings = 2, qi = 0 <4>[ 17.798529] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 17.813540] usb_phy_generic usbphynop1: supply vcc not found, using dummy regulator <4>[ 17.822609] usb_phy_generic usbphynop1: dummy supplies not allowed for exclusive requests <4>[ 17.832711] usb_phy_generic usbphynop2: supply vcc not found, using dummy regulator <4>[ 17.842430] usb_phy_generic usbphynop2: dummy supplies not allowed for exclusive requests <4>[ 17.859313] panel-simple panel-lcd: Specify missing connector_type <6>[ 17.889084] sgtl5000 0-000a: sgtl5000 revision 0x11 <6>[ 17.906636] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) <6>[ 17.908207] sgtl5000 0-000a: Using internal LDO instead of VDDD: check ER1 erratum <6>[ 17.915610] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) <6>[ 17.932027] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) <6>[ 17.940830] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) <4>[ 17.962537] panel-simple panel-lvds0: supply power not found, using dummy regulator <4>[ 18.024024] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 18.035846] panel-simple panel-lcd: Specify missing connector_type <6>[ 18.064519] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) <6>[ 18.073394] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) <6>[ 18.082298] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) <6>[ 18.091459] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) <4>[ 18.107753] panel-simple panel-lvds0: supply power not found, using dummy regulator <4>[ 18.142285] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 18.151175] panel-simple panel-lcd: Specify missing connector_type <6>[ 18.664366] caam algorithms registered in /proc/crypto <6>[ 18.676785] caam 2100000.crypto: registering rng-caam <6>[ 18.696632] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) <6>[ 18.705671] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) <6>[ 18.714520] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) <6>[ 18.723320] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) <4>[ 18.753304] panel-simple panel-lvds0: supply power not found, using dummy regulator <4>[ 18.791917] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 18.800752] panel-simple panel-lcd: Specify missing connector_type <6>[ 18.823492] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) <6>[ 18.832204] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) <6>[ 18.841174] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) <6>[ 18.849929] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) <5>[ 18.867587] random: crng init done Begin: Loading essential drivers ... done. Begin: Running /scripts/init-premount ... done. Begin: Mounting root file system ... Begin: Running /scripts/nfs-top ... done. Begin: Running /scripts/nfs-premount ... Waiting up to 60 secs for any ethernet to become available Device /sys/class/net/eth0 found done. IP-Config: eth0 hardware address 00:19:b8:08:f1:09 mtu 1500 DHCP IP-Config: eth0 complete (dhcp from 192.168.201.1): address: 192.168.201.35 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-5 domain : lava-rack rootserver: 192.168.201.1 rootpath: filename : done. Begin: Running /scripts/nfs-bottom ... done. Begin: Running /scripts/init-bottom ... done. <30>[ 21.340394] systemd[1]: System time before build time, advancing clock. <30>[ 21.604181] systemd[1]: systemd 247.3-7+deb11u1 running in system mode. (+PAM +AUDIT +SELINUX +IMA +APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL +XZ +LZ4 +ZSTD +SECCOMP +BLKID +ELFUTILS +KMOD +IDN2 -IDN +PCRE2 default-hierarchy=unified) <30>[ 21.631148] systemd[1]: Detected architecture arm. Welcome to Debian GNU/Linux 11 (bullseye)! <30>[ 21.711206] systemd[1]: Set hostname to . <30>[ 23.589050] systemd[1]: Queued start job for default target Graphical Interface. <30>[ 23.605803] systemd[1]: Created slice system-getty.slice. [ OK ] Created slice system-getty.slice. <30>[ 23.650184] systemd[1]: Created slice system-modprobe.slice. [ OK ] Created slice system-modprobe.slice. <30>[ 23.698716] systemd[1]: Created slice system-serial\x2dgetty.slice. [ OK ] Created slice system-serial\x2dgetty.slice. <30>[ 23.749943] systemd[1]: Created slice User and Session Slice. [ OK ] Created slice User and Session Slice. <30>[ 23.799415] systemd[1]: Started Dispatch Password Requests to Console Directory Watch. [ OK ] Started Dispatch Password …ts to Console Directory Watch. <30>[ 23.847386] systemd[1]: Started Forward Password Requests to Wall Directory Watch. [ OK ] Started Forward Password R…uests to Wall Directory Watch. <30>[ 23.895046] systemd[1]: Condition check resulted in Arbitrary Executable File Formats File System Automount Point being skipped. <30>[ 23.909626] systemd[1]: Reached target Local Encrypted Volumes. [ OK ] Reached target Local Encrypted Volumes. <30>[ 23.955951] systemd[1]: Reached target Paths. [ OK ] Reached target Paths. <30>[ 23.993727] systemd[1]: Reached target Remote File Systems. [ OK ] Reached target Remote File Systems. <30>[ 24.034285] systemd[1]: Reached target Slices. [ OK ] Reached target Slices. <30>[ 24.074545] systemd[1]: Reached target Swap. [ OK ] Reached target Swap. <30>[ 24.119273] systemd[1]: Listening on initctl Compatibility Named Pipe. [ OK ] Listening on initctl Compatibility Named Pipe. <30>[ 24.222378] systemd[1]: Condition check resulted in Journal Audit Socket being skipped. <30>[ 24.236650] systemd[1]: Listening on Journal Socket (/dev/log). [ OK ] Listening on Journal Socket (/dev/log). <30>[ 24.280778] systemd[1]: Listening on Journal Socket. [ OK ] Listening on Journal Socket. <30>[ 24.341245] systemd[1]: Listening on Network Service Netlink Socket. [ OK ] Listening on Network Service Netlink Socket. <30>[ 24.406962] systemd[1]: Listening on udev Control Socket. [ OK ] Listening on udev Control Socket. <30>[ 24.459796] systemd[1]: Listening on udev Kernel Socket. [ OK ] Listening on udev Kernel Socket. <30>[ 24.517854] systemd[1]: Condition check resulted in Huge Pages File System being skipped. <30>[ 24.529710] systemd[1]: Condition check resulted in POSIX Message Queue File System being skipped. <30>[ 24.550136] systemd[1]: Mounting Kernel Debug File System... Mounting Kernel Debug File System... <30>[ 24.607233] systemd[1]: Mounting Kernel Trace File System... Mounting Kernel Trace File System... <30>[ 24.674520] systemd[1]: Starting Create list of static device nodes for the current kernel... Starting Create list of st…odes for the current kernel... <30>[ 24.745713] systemd[1]: Starting Load Kernel Module configfs... Starting Load Kernel Module configfs... <30>[ 24.797501] systemd[1]: Starting Load Kernel Module drm... Starting Load Kernel Module drm... <30>[ 24.844729] systemd[1]: Starting Load Kernel Module fuse... Starting Load Kernel Module fuse... <30>[ 24.894037] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped. <6>[ 24.934305] fuse: init (API version 7.32) <30>[ 24.935027] systemd[1]: Starting Journal Service... Starting Journal Service... <30>[ 25.009610] systemd[1]: Starting Load Kernel Modules... Starting Load Kernel Modules... <30>[ 25.058137] systemd[1]: Starting Remount Root and Kernel File Systems... Starting Remount Root and Kernel File Systems... <30>[ 25.126101] systemd[1]: Starting Coldplug All udev Devices... Starting Coldplug All udev Devices... <30>[ 25.191949] systemd[1]: Mounted Kernel Debug File System. [ OK ] Mounted Kernel Debug File System. <30>[ 25.236245] systemd[1]: Mounted Kernel Trace File System. [ OK ] Mounted Kernel Trace File System. <30>[ 25.281986] systemd[1]: Finished Create list of static device nodes for the current kernel. [ OK ] Finished Create list of st… nodes for the current kernel. <30>[ 25.401498] systemd[1]: modprobe@configfs.service: Succeeded. <30>[ 25.412678] systemd[1]: Finished Load Kernel Module configfs. [ OK ] Finished Load Kernel Module configfs. <30>[ 25.459730] systemd[1]: modprobe@drm.service: Succeeded. <30>[ 25.470335] systemd[1]: Finished Load Kernel Module drm. [ OK ] Finished Load Kernel Module drm. <30>[ 25.519773] systemd[1]: modprobe@fuse.service: Succeeded. <30>[ 25.530864] systemd[1]: Finished Load Kernel Module fuse. [ OK ] Finished Load Kernel Module fuse. <30>[ 25.579564] systemd[1]: Finished Load Kernel Modules. [ OK ] Finished Load Kernel Modules. <30>[ 25.620459] systemd[1]: Finished Remount Root and Kernel File Systems. [ OK ] Finished Remount Root and Kernel File Systems. <30>[ 25.676563] systemd[1]: Mounting FUSE Control File System... Mounting FUSE Control File System... <30>[ 25.723528] systemd[1]: Mounting Kernel Configuration File System... Mounting Kernel Configuration File System... <30>[ 25.761254] systemd[1]: Condition check resulted in Rebuild Hardware Database being skipped. <30>[ 25.771900] systemd[1]: Condition check resulted in Platform Persistent Storage Archival being skipped. <30>[ 25.794582] systemd[1]: Starting Load/Save Random Seed... Starting Load/Save Random Seed... <30>[ 25.845030] systemd[1]: Starting Apply Kernel Variables... Starting Apply Kernel Variables... <30>[ 25.906900] systemd[1]: Starting Create System Users... Starting Create System Users... <30>[ 25.952180] 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... <46>[ 26.338849] systemd-journald[282]: Received client request to flush runtime journal. [ OK ] Finished Create Static Device Nodes in /dev. [ OK ] Reached target Local File Systems (Pre). [ OK ] Reached target Local File Systems. Starting Rule-based Manage…for Device Events and Files... [ OK ] Finished Flush Journal to Persistent Storage. Starting Create Volatile Files and Directories... [ OK ] Started Rule-based Manager for Device Events and Files. Starting Network Service... [ OK ] Finished Create Volatile Files and Directories. Starting Network Time Synchronization... Starting Update UTMP about System Boot/Shutdown... [ OK ] Started Network Service. Starting Network Name Resolution... [ OK ] Finished Update UTMP about System Boot/Shutdown. [ OK ] Started Network Time Synchronization. [ OK ] Reached target System Time Set. [ OK ] Reached target System Time Synchronized. [ OK ] Started Network Name Resolution. [ OK ] Reached target Network. [ OK ] Reached target Host and Network Name Lookups. [ OK ] Finished Coldplug All udev Devices. [ OK ] Reached target System Initialization. [ OK ] Started Daily apt download activities. [ OK ] Started Daily apt upgrade and clean activities. [ OK ] Started Periodic ext4 Onli…ata Check for All Filesystems. [ OK ] Started Discard unused blocks once a week. [ OK ] Started Daily Cleanup of Temporary Directories. [ OK ] Reached target Timers. [ OK ] Listening on D-Bus System Message Bus Socket. [ OK ] Reached target Sockets. [ OK ] Reached target Basic System. [ OK ] Started D-Bus System Message Bus. Starting Remove Stale Onli…t4 Metadata Check Snapshots... Starting User Login Management... Starting Permit User Sessions... [ OK ] Found device /dev/ttymxc1. [ OK ] Finished Permit User Sessions. [ OK ] Started User Login Management. [ OK ] Finished Remove Stale Onli…ext4 Metadata Check Snapshots. [ OK ] Reached target Hardware activated USB gadget. [ OK ] Listening on Load/Save RF …itch Status /dev/rfkill Watch. [ OK ] Started Getty on tty1. [ OK ] Started Serial Getty on ttymxc1. [ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Finished Update UTMP about System Runlevel Changes. Debian GNU/Linux 11 debian-bullseye-armhf ttymxc1 debian-bullseye-armhf login: root (automatic login) Linux debian-bullseye-armhf 5.10.173-cip27 #1 SMP Sun Mar 12 07:56:45 UTC 2023 armv7l The programs included with the Debian GNU/Linux system are free software; the exact distribution terms for each program are described in the individual files in /usr/share/doc/*/copyright. Debian GNU/Linux comes with ABSOLUTELY NO WARRANTY, to the extent permitted by applicable law. / # / # export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/9568612/extract-nfsrootfs-ay4azet_' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/9568612/extract-nfsrootfs-ay4azet_' / # 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-9568612/environment . /lava-9568612/environment / # /lava-9568612/bin/lava-test-runner /lava-9568612/0 /lava-9568612/bin/lava-test-runner /lava-9568612/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-9568612/0/tests/0_timesync-off ++ cat uuid + UUID=9568612_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-9568612/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=9568612_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/v5.10.168-cip27-638-g0d599cd2b6695/arm/multi_v7_defconfig+kselftest/gcc-10/kselftest.tar.xz -L '' -S skipfile-lkft.yaml -b imx6q-sabrelite -g cip-gitlab -e '' -p /opt/kselftests/mainline/ -n 1 -i 1 INFO: Generating a skipfile based on /lava-9568612/0/tests/1_kselftest-lkdtm/automated/linux/kselftest/skipfile-lkft.yaml INFO: Using the following generated skipfile contents (until EOF): breakpoints:breakpoint_test breakpoints:step_after_suspend_test net:rtnetlink.sh net:tls netfilter:bridge_brouter.sh netfilter:nft_flowtable.sh netfilter:nft_trans_stress.sh pidfd:pidfd_wait INFO: EOF INFO: install_deps skipped --2023-03-12 08:09:29-- http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.168-cip27-638-g0d599cd2b6695/arm/multi_v7_defconfig+kselftest/gcc-10/kselftest.tar.xz Resolving storage.kernelci.org (storage.kernelci.org)... 52.250.1.28 Connecting to storage.kernelci.org (storage.kernelci.org)|52.250.1.28|:80... connected. HTTP request sent, awaiting response... 200 OK Length: 1409800 (1.3M) [application/octet-stream] Saving to: 'kselftest.tar.xz' kselftest.tar.xz 0%[ ] 0 --.-KB/s kselftest.tar.xz 2%[ ] 38.84K 135KB/s kselftest.tar.xz 7%[> ] 106.71K 186KB/s kselftest.tar.xz 11%[=> ] 156.69K 183KB/s kselftest.tar.xz 15%[==> ] 207.60K 182KB/s kselftest.tar.xz 18%[==> ] 258.50K 181KB/s kselftest.tar.xz 21%[===> ] 293.37K 171KB/s kselftest.tar.xz 22%[===> ] 310.34K 155KB/s kselftest.tar.xz 24%[===> ] 340.03K 148KB/s kselftest.tar.xz 26%[====> ] 363.14K 144KB/s kselftest.tar.xz 27%[====> ] 375.87K 138KB/s kselftest.tar.xz 28%[====> ] 391.42K 132KB/s kselftest.tar.xz 29%[====> ] 405.57K 128KB/s eta 8s kselftest.tar.xz 30%[=====> ] 426.78K 126KB/s eta 8s kselftest.tar.xz 32%[=====> ] 443.75K 123KB/s eta 8s kselftest.tar.xz 33%[=====> ] 463.54K 121KB/s eta 8s kselftest.tar.xz 35%[======> ] 487.58K 121KB/s eta 8s kselftest.tar.xz 36%[======> ] 508.79K 120KB/s eta 7s kselftest.tar.xz 39%[======> ] 540.83K 117KB/s 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kselftest.tar.xz 92%[=================> ] 1.24M 74.4KB/s eta 2s kselftest.tar.xz 94%[=================> ] 1.27M 74.7KB/s eta 2s kselftest.tar.xz 96%[==================> ] 1.29M 73.7KB/s eta 1s kselftest.tar.xz 97%[==================> ] 1.31M 74.2KB/s eta 1s kselftest.tar.xz 99%[==================> ] 1.34M 75.6KB/s eta 1s kselftest.tar.xz 100%[===================>] 1.34M 75.8KB/s in 15s 2023-03-12 08:09:44 (92.6 KB/s) - 'kselftest.tar.xz' saved [1409800/1409800] skiplist: ======================================== breakpoints:breakpoint_test breakpoints:step_after_suspend_test net:rtnetlink.sh net:tls netfilter:bridge_brouter.sh netfilter:nft_flowtable.sh netfilter:nft_trans_stress.sh pidfd:pidfd_wait ======================================== lkdtm:PANIC.sh lkdtm:BUG.sh lkdtm:WARNING.sh lkdtm:WARNING_MESSAGE.sh lkdtm:EXCEPTION.sh lkdtm:LOOP.sh lkdtm:EXHAUST_STACK.sh lkdtm:CORRUPT_STACK.sh lkdtm:CORRUPT_STACK_STRONG.sh lkdtm:CORRUPT_LIST_ADD.sh lkdtm:CORRUPT_LIST_DEL.sh lkdtm:STACK_GUARD_PAGE_LEADING.sh lkdtm:STACK_GUARD_PAGE_TRAILING.sh lkdtm:UNSET_SMEP.sh lkdtm:DOUBLE_FAULT.sh lkdtm:CORRUPT_PAC.sh lkdtm:UNALIGNED_LOAD_STORE_WRITE.sh lkdtm:OVERWRITE_ALLOCATION.sh lkdtm:WRITE_AFTER_FREE.sh lkdtm:READ_AFTER_FREE.sh lkdtm:WRITE_BUDDY_AFTER_FREE.sh lkdtm:READ_BUDDY_AFTER_FREE.sh lkdtm:SLAB_FREE_DOUBLE.sh lkdtm:SLAB_FREE_CROSS.sh lkdtm:SLAB_FREE_PAGE.sh lkdtm:SOFTLOCKUP.sh lkdtm:HARDLOCKUP.sh lkdtm:SPINLOCKUP.sh lkdtm:HUNG_TASK.sh lkdtm:EXEC_DATA.sh lkdtm:EXEC_STACK.sh lkdtm:EXEC_KMALLOC.sh lkdtm:EXEC_VMALLOC.sh lkdtm:EXEC_RODATA.sh lkdtm:EXEC_USERSPACE.sh lkdtm:EXEC_NULL.sh lkdtm:ACCESS_USERSPACE.sh lkdtm:ACCESS_NULL.sh lkdtm:WRITE_RO.sh lkdtm:WRITE_RO_AFTER_INIT.sh lkdtm:WRITE_KERN.sh lkdtm:REFCOUNT_INC_OVERFLOW.sh lkdtm:REFCOUNT_ADD_OVERFLOW.sh lkdtm:REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_DEC_ZERO.sh lkdtm:REFCOUNT_DEC_NEGATIVE.sh lkdtm:REFCOUNT_DEC_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_SUB_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_INC_ZERO.sh lkdtm:REFCOUNT_ADD_ZERO.sh lkdtm:REFCOUNT_INC_SATURATED.sh lkdtm:REFCOUNT_DEC_SATURATED.sh lkdtm:REFCOUNT_ADD_SATURATED.sh lkdtm:REFCOUNT_INC_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_DEC_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_SUB_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_TIMING.sh lkdtm:ATOMIC_TIMING.sh lkdtm:USERCOPY_HEAP_SIZE_TO.sh lkdtm:USERCOPY_HEAP_SIZE_FROM.sh lkdtm:USERCOPY_HEAP_WHITELIST_TO.sh lkdtm:USERCOPY_HEAP_WHITELIST_FROM.sh lkdtm:USERCOPY_STACK_FRAME_TO.sh lkdtm:USERCOPY_STACK_FRAME_FROM.sh lkdtm:USERCOPY_STACK_BEYOND.sh lkdtm:USERCOPY_KERNEL.sh lkdtm:STACKLEAK_ERASING.sh lkdtm:CFI_FORWARD_PROTO.sh ============== Tests to run =============== lkdtm:PANIC.sh lkdtm:BUG.sh lkdtm:WARNING.sh lkdtm:WARNING_MESSAGE.sh lkdtm:EXCEPTION.sh lkdtm:LOOP.sh lkdtm:EXHAUST_STACK.sh lkdtm:CORRUPT_STACK.sh lkdtm:CORRUPT_STACK_STRONG.sh lkdtm:CORRUPT_LIST_ADD.sh lkdtm:CORRUPT_LIST_DEL.sh lkdtm:STACK_GUARD_PAGE_LEADING.sh lkdtm:STACK_GUARD_PAGE_TRAILING.sh lkdtm:UNSET_SMEP.sh lkdtm:DOUBLE_FAULT.sh lkdtm:CORRUPT_PAC.sh lkdtm:UNALIGNED_LOAD_STORE_WRITE.sh lkdtm:OVERWRITE_ALLOCATION.sh lkdtm:WRITE_AFTER_FREE.sh lkdtm:READ_AFTER_FREE.sh lkdtm:WRITE_BUDDY_AFTER_FREE.sh lkdtm:READ_BUDDY_AFTER_FREE.sh lkdtm:SLAB_FREE_DOUBLE.sh lkdtm:SLAB_FREE_CROSS.sh lkdtm:SLAB_FREE_PAGE.sh lkdtm:SOFTLOCKUP.sh lkdtm:HARDLOCKUP.sh lkdtm:SPINLOCKUP.sh lkdtm:HUNG_TASK.sh lkdtm:EXEC_DATA.sh lkdtm:EXEC_STACK.sh lkdtm:EXEC_KMALLOC.sh lkdtm:EXEC_VMALLOC.sh lkdtm:EXEC_RODATA.sh lkdtm:EXEC_USERSPACE.sh lkdtm:EXEC_NULL.sh lkdtm:ACCESS_USERSPACE.sh lkdtm:ACCESS_NULL.sh lkdtm:WRITE_RO.sh lkdtm:WRITE_RO_AFTER_INIT.sh lkdtm:WRITE_KERN.sh lkdtm:REFCOUNT_INC_OVERFLOW.sh lkdtm:REFCOUNT_ADD_OVERFLOW.sh lkdtm:REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_DEC_ZERO.sh lkdtm:REFCOUNT_DEC_NEGATIVE.sh lkdtm:REFCOUNT_DEC_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_SUB_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_INC_ZERO.sh lkdtm:REFCOUNT_ADD_ZERO.sh lkdtm:REFCOUNT_INC_SATURATED.sh lkdtm:REFCOUNT_DEC_SATURATED.sh lkdtm:REFCOUNT_ADD_SATURATED.sh lkdtm:REFCOUNT_INC_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_DEC_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_SUB_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_TIMING.sh lkdtm:ATOMIC_TIMING.sh lkdtm:USERCOPY_HEAP_SIZE_TO.sh lkdtm:USERCOPY_HEAP_SIZE_FROM.sh lkdtm:USERCOPY_HEAP_WHITELIST_TO.sh lkdtm:USERCOPY_HEAP_WHITELIST_FROM.sh lkdtm:USERCOPY_STACK_FRAME_TO.sh lkdtm:USERCOPY_STACK_FRAME_FROM.sh lkdtm:USERCOPY_STACK_BEYOND.sh lkdtm:USERCOPY_KERNEL.sh lkdtm:STACKLEAK_ERASING.sh lkdtm:CFI_FORWARD_PROTO.sh ===========End Tests to run =============== <12>[ 76.943823] 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 <6>[ 77.851962] lkdtm: Performing direct entry BUG <4>[ 77.857204] ------------[ cut here ]------------ <2>[ 77.862097] kernel BUG at drivers/misc/lkdtm/bugs.c:76! <0>[ 77.867593] Internal error: Oops - BUG: 0 [#1] SMP ARM <4>[ 77.873001] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan dw_hdmi_imx dw_hdmi can_dev etnaviv parallel_display imxdrm gpu_sched imx_ipu_v3 <4>[ 77.902318] CPU: 0 PID: 720 Comm: cat Not tainted 5.10.173-cip27 #1 <4>[ 77.908868] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 77.915694] PC is at lkdtm_BUG+0x14/0x18 <4>[ 77.919909] LR is at lkdtm_do_action+0x2c/0x4c <4>[ 77.924638] pc : [] lr : [] psr: a00e0013 <4>[ 77.931187] sp : c4739e58 ip : c4739e68 fp : c4739e64 <4>[ 77.936695] r10: 00000004 r9 : c1acce0c r8 : c15e8b44 <4>[ 77.942203] r7 : c4739f60 r6 : 00000004 r5 : c459f000 r4 : 00000001 <4>[ 77.949014] r3 : c0c367ac r2 : 4dda2ba1 r1 : ef7815e0 r0 : c15e8b4c <4>[ 77.955827] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 77.963249] Control: 10c5387d Table: 169a804a DAC: 00000051 <0>[ 77.969280] Process cat (pid: 720, stack limit = 0x258f78e7) <0>[ 77.975225] Stack: (0xc4739e58 to 0xc473a000) <0>[ 77.979872] 9e40: c4739e74 c4739e68 <0>[ 77.988342] 9e60: c0c36240 c0c367b8 c4739e9c c4739e78 c0c36740 c0c36220 c0c36620 c4310c80 <0>[ 77.996810] 9e80: b6df5000 00000004 c53183c0 c4739f60 c4739ec4 c4739ea0 c07e0a5c c0c3662c <0>[ 78.005278] 9ea0: 00000000 c4310c80 b6df5000 c2815800 c4739f60 c07e09f8 c4739f5c c4739ec8 <0>[ 78.013747] 9ec0: c0597f58 c07e0a04 00000001 00000000 c0598504 c5cc90e4 c0598504 c4738000 <0>[ 78.022215] 9ee0: b6df5000 00020000 00000004 00000004 0001fffc c4739ee0 00000001 00000805 <0>[ 78.030682] 9f00: c43457c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 78.039150] 9f20: 00000000 00000000 c4738000 4dda2ba1 b6df4000 c4310c80 c4310c80 c4738000 <0>[ 78.047618] 9f40: b6df5000 00000000 00000000 00000004 c4739f94 c4739f60 c0598504 c0597e58 <0>[ 78.056088] 9f60: 00000000 00000000 c4739fac 4dda2ba1 00000004 00000004 b6f3ce00 00000004 <0>[ 78.064555] 9f80: c03002e4 c4738000 c4739fa4 c4739f98 c0598594 c059849c 00000000 c4739fa8 <0>[ 78.073022] 9fa0: c03000c0 c0598588 00000004 00000004 00000001 b6df5000 00000004 00000000 <0>[ 78.081491] 9fc0: 00000004 00000004 b6f3ce00 00000004 00000001 00000000 00020000 be8c8a64 <0>[ 78.089957] 9fe0: 00000004 be8c8798 b6ea74cf b6e2d7e6 800e0030 00000001 00000000 00000000 <0>[ 78.098411] Backtrace: <0>[ 78.101171] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 78.109041] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 78.117353] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 78.125565] r9:c4739f60 r8:c53183c0 r7:00000004 r6:b6df5000 r5:c4310c80 r4:c0c36620 <0>[ 78.133615] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 78.141736] r9:c07e09f8 r8:c4739f60 r7:c2815800 r6:b6df5000 r5:c4310c80 r4:00000000 <0>[ 78.149777] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 78.157205] r10:00000004 r9:00000000 r8:00000000 r7:b6df5000 r6:c4738000 r5:c4310c80 <0>[ 78.165315] r4:c4310c80 <0>[ 78.168143] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 78.175570] r9:c4738000 r8:c03002e4 r7:00000004 r6:b6f3ce00 r5:00000004 r4:00000004 <0>[ 78.183610] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 78.191460] Exception stack(0xc4739fa8 to 0xc4739ff0) <0>[ 78.196801] 9fa0: 00000004 00000004 00000001 b6df5000 00000004 00000000 <0>[ 78.205269] 9fc0: 00000004 00000004 b6f3ce00 00000004 00000001 00000000 00020000 be8c8a64 <0>[ 78.213732] 9fe0: 00000004 be8c8798 b6ea74cf b6e2d7e6 <0>[ 78.219075] Code: e92dd800 e24cb004 e52de004 e8bd4000 (e7f001f2) <4>[ 78.225462] ---[ end trace 9a58a83fb7a00323 ]--- <3>[ 78.230367] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 78.239526] in_atomic(): 0, irqs_disabled(): 128, non_block: 0, pid: 720, name: cat <4>[ 78.247461] INFO: lockdep is turned off. <4>[ 78.251662] irq event stamp: 1646 <4>[ 78.255283] hardirqs last enabled at (1645): [] console_unlock+0x4b0/0x6c0 <4>[ 78.263402] hardirqs last disabled at (1646): [] __und_svc+0x60/0x6c <4>[ 78.270917] softirqs last enabled at (1642): [] __do_softirq+0x378/0x614 <4>[ 78.278864] softirqs last disabled at (1617): [] __irq_exit_rcu+0x178/0x1d0 <4>[ 78.286982] CPU: 0 PID: 720 Comm: cat Tainted: G D 5.10.173-cip27 #1 <4>[ 78.294920] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 78.301724] Backtrace: <4>[ 78.304492] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 78.312351] r7:ffffffff r6:600e0093 r5:00000000 r4:c1f0fcf8 <4>[ 78.318309] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 78.325924] [] (dump_stack) from [] (___might_sleep+0x188/0x2e0) <4>[ 78.333958] r9:600e0093 r8:0000000b r7:c035bed4 r6:00000031 r5:c19c9284 r4:c4738000 <4>[ 78.341996] [] (___might_sleep) from [] (__might_sleep+0x70/0xb0) <4>[ 78.350110] r6:00000000 r5:00000031 r4:c19c9284 <4>[ 78.355034] [] (__might_sleep) from [] (exit_signals+0x4c/0x420) <4>[ 78.363062] r6:00000001 r5:c4738000 r4:c5f43600 <4>[ 78.367987] [] (exit_signals) from [] (do_exit+0x100/0xb44) <4>[ 78.375584] r8:0000000b r7:c1e0f84c r6:ffffe000 r5:00000000 r4:c5f43600 <4>[ 78.382583] [] (do_exit) from [] (make_task_dead+0x68/0x74) <4>[ 78.390174] r7:c1e0f84c <4>[ 78.393006] [] (make_task_dead) from [] (die+0x370/0x37c) <4>[ 78.400433] [] (die) from [] (do_undefinstr+0x170/0x240) <4>[ 78.407772] r10:00000004 r9:c4738000 r8:c15e8b44 r7:00000000 r6:c4739dc8 r5:c0c367c0 <4>[ 78.415881] r4:e7f001f2 <4>[ 78.418708] [] (do_undefinstr) from [] (__und_svc_finish+0x0/0x54) <4>[ 78.426906] Exception stack(0xc4739dc8 to 0xc4739e10) <4>[ 78.432248] 9dc0: c15e8b4c ef7815e0 4dda2ba1 c0c367ac 00000001 c459f000 <4>[ 78.440718] 9de0: 00000004 c4739f60 c15e8b44 c1acce0c 00000004 c4739e64 c4739e68 c4739e58 <4>[ 78.449181] 9e00: c0c36240 c0c367c0 a00e0013 ffffffff <4>[ 78.454520] r7:c4739dfc r6:ffffffff r5:a00e0013 r4:c0c367c4 <4>[ 78.460477] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 78.468341] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 78.476647] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 78.484855] r9:c4739f60 r8:c53183c0 r7:00000004 r6:b6df5000 r5:c4310c80 r4:c0c36620 <4>[ 78.492899] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 78.501021] r9:c07e09f8 r8:c4739f60 r7:c2815800 r6:b6df5000 r5:c4310c80 r4:00000000 <4>[ 78.509058] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 78.516484] r10:00000004 r9:00000000 r8:00000000 r7:b6df5000 r6:c4738000 r5:c4310c80 <4>[ 78.524592] r4:c4310c80 <4>[ 78.527421] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 78.534847] r9:c4738000 r8:c03002e4 r7:00000004 r6:b6f3ce00 r5:00000004 r4:00000004 <4>[ 78.542883] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 78.550732] Exception stack(0xc4739fa8 to 0xc4739ff0) <4>[ 78.556073] 9fa0: 00000004 00000004 00000001 b6df5000 00000004 00000000 <4>[ 78.564541] 9fc0: 00000004 00000004 b6f3ce00 00000004 00000001 00000000 00020000 be8c8a64 <4>[ 78.573003] 9fe0: 00000004 be8c8798 b6ea74cf b6e2d7e6 # Segmentation fault # [ 77.851962] lkdtm: Performing direct entry BUG # [ 77.857204] ------------[ cut here ]------------ # [ 77.862097] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 77.867593] Internal error: Oops - BUG: 0 [#1] SMP ARM # [ 77.873001] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan dw_hdmi_imx dw_hdmi can_dev etnaviv parallel_display imxdrm gpu_sched imx_ipu_v3 # [ 77.902318] CPU: 0 PID: 720 Comm: cat Not tainted 5.10.173-cip27 #1 # [ 77.908868] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 77.915694] PC is at lkdtm_BUG+0x14/0x18 # [ 77.919909] LR is at lkdtm_do_action+0x2c/0x4c # [ 77.924638] pc : [] lr : [] psr: a00e0013 # [ 77.931187] sp : c4739e58 ip : c4739e68 fp : c4739e64 # [ 77.936695] r10: 00000004 r9 : c1acce0c r8 : c15e8b44 # [ 77.942203] r7 : c4739f60 r6 : 00000004 r5 : c459f000 r4 : 00000001 # [ 77.949014] r3 : c0c367ac r2 : 4dda2ba1 r1 : ef7815e0 r0 : c15e8b4c # [ 77.955827] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 77.963249] Control: 10c5387d Table: 169a804a DAC: 00000051 # [ 77.969280] Process cat (pid: 720, stack limit = 0x258f78e7) # [ 77.975225] Stack: (0xc4739e58 to 0xc473a000) # [ 77.979872] 9e40: c4739e74 c4739e68 # [ 77.988342] 9e60: c0c36240 c0c367b8 c4739e9c c4739e78 c0c36740 c0c36220 c0c36620 c4310c80 # [ 77.996810] 9e80: b6df5000 00000004 c53183c0 c4739f60 c4739ec4 c4739ea0 c07e0a5c c0c3662c # [ 78.005278] 9ea0: 00000000 c4310c80 b6df5000 c2815800 c4739f60 c07e09f8 c4739f5c c4739ec8 # [ 78.013747] 9ec0: c0597f58 c07e0a04 00000001 00000000 c0598504 c5cc90e4 c0598504 c4738000 # [ 78.022215] 9ee0: b6df5000 00020000 00000004 00000004 0001fffc c4739ee0 00000001 00000805 # [ 78.030682] 9f00: c43457c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 78.039150] 9f20: 00000000 00000000 c4738000 4dda2ba1 b6df4000 c4310c80 c4310c80 c4738000 # [ 78.047618] 9f40: b6df5000 00000000 00000000 00000004 c4739f94 c4739f60 c0598504 c0597e58 # [ 78.056088] 9f60: 00000000 00000000 c4739fac 4dda2ba1 00000004 00000004 b6f3ce00 00000004 # [ 78.064555] 9f80: c03002e4 c4738000 c4739fa4 c4739f98 c0598594 c059849c 00000000 c4739fa8 # [ 78.073022] 9fa0: c03000c0 c0598588 00000004 00000004 00000001 b6df5000 00000004 00000000 # [ 78.081491] 9fc0: 00000004 00000004 b6f3ce00 00000004 00000001 00000000 00020000 be8c8a64 # [ 78.089957] 9fe0: 00000004 be8c8798 b6ea74cf b6e2d7e6 800e0030 00000001 00000000 00000000 # [ 78.098411] Backtrace: # [ 78.101171] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) # [ 78.109041] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 78.117353] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 78.125565] r9:c4739f60 r8:c53183c0 r7:00000004 r6:b6df5000 r5:c4310c80 r4:c0c36620 # [ 78.133615] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 78.141736] r9:c07e09f8 r8:c4739f60 r7:c2815800 r6:b6df5000 r5:c4310c80 r4:00000000 # [ 78.149777] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 78.157205] r10:00000004 r9:00000000 r8:00000000 r7:b6df5000 r6:c4738000 r5:c4310c80 # [ 78.165315] r4:c4310c80 # [ 78.168143] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 78.175570] r9:c4738000 r8:c03002e4 r7:00000004 r6:b6f3ce00 r5:00000004 r4:00000004 # [ 78.183610] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 78.191460] Exception stack(0xc4739fa8 to 0xc4739ff0) # [ 78.196801] 9fa0: 00000004 00000004 00000001 b6df5000 00000004 00000000 # [ 78.205269] 9fc0: 00000004 00000004 b6f3ce00 00000004 00000001 00000000 00020000 be8c8a64 # [ 78.213732] 9fe0: 00000004 be8c8798 b6ea74cf b6e2d7e6 # [ 78.219075] Code: e92dd800 e24cb004 e52de004 e8bd4000 (e7f001f2) # [ 78.225462] ---[ end trace 9a58a83fb7a00323 ]--- # [ 78.230367] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 78.239526] in_atomic(): 0, irqs_disabled(): 128, non_block: 0, pid: 720, name: cat # [ 78.247461] INFO: lockdep is turned off. # [ 78.251662] irq event stamp: 1646 # [ 78.255283] hardirqs last enab<6>[ 79.051293] lkdtm: Performing direct entry WARNING led at (1645): [] conso<4>[ 79.056785] ------------[ cut here ]------------ le_unlock+0x4b0/0x6c0 # [ 78.2<4>[ 79.064448] WARNING: CPU: 1 PID: 791 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x48/0x4c 63402] hardirqs last disabled at <4>[ 79.076010] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan dw_hdmi_imx dw_hdmi can_dev etnaviv parallel_display imxdrm gpu_sched imx_ipu_v3 (1646): [] __und_svc+0x<4>[ 79.107967] CPU: 1 PID: 791 Comm: cat Tainted: G D W 5.10.173-cip27 #1 60/0x6c # [ 78.270917] softirq<4>[ 79.118692] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) s last enabled at (1642): [[ 79.128343] Backtrace: 21a8>] __do_softirq+0x378/0x614 <4>[ 79.133935] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 78.278864] softirqs last di<4>[ 79.144617] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcf8 sabled at (1617): [] __<4>[ 79.153404] [] (show_stack) from [] (dump_stack+0xe0/0x100) irq_exit_rcu+0x178/0x1d0 # [ 7<4>[ 79.163839] [] (dump_stack) from [] (__warn+0x98/0x14c) 8.286982] CPU: 0 PID: 720 Comm: c<4>[ 79.173917] r9:00000009 r8:c0c3680c r7:00000053 r6:00000009 r5:c0c3680c r4:c1acd4c8 at Tainted: G D 5.<4>[ 79.184788] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) 10.173-cip27 #1 # [ 78.294920]<4>[ 79.195389] r7:00000053 r6:c1acd4c8 r5:00000000 r4:c44a8000 Hardware name: Freescale i.MX6 Q<4>[ 79.204180] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING+0x48/0x4c) uad/DualLite (Device Tree) # [ <4>[ 79.215387] r9:c1acce10 r8:c15e8b44 r7:c44a9f60 r6:00000008 r5:c4452000 r4:00000002 78.301724] Backtrace: # [ 78<4>[ 79.226258] [] (lkdtm_WARNING) from [] (lkdtm_do_action+0x2c/0x4c) .304492] [] (dump_backt<4>[ 79.237296] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) race) from [] (show_sta<4>[ 79.248431] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) ck+0x20/0x24) # [ 78.312351] <4>[ 79.259464] r9:c44a9f60 r8:c53183c0 r7:00000008 r6:b6dea000 r5:c6c8cf00 r4:c0c36620 r7:ffffffff r6:600e0093 r5:000000<4>[ 79.270341] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) 00 r4:c1f0fcf8 # [ 78.318309] <4>[ 79.281285] r9:c07e09f8 r8:c44a9f60 r7:c2815800 r6:b6dea000 r5:c6c8cf00 r4:00000000 [] (show_stack) from [<<4>[ 79.292155] [] (vfs_write) from [] (ksys_write+0x74/0xec) c135a71c>] (dump_stack+0xe0/0x100<4>[ 79.302409] r10:00000004 r9:00000000 r8:00000000 r7:b6dea000 r6:c44a8000 r5:c6c8cf00 ) # [ 78.325924] [] <4>[ 79.313358] r4:c6c8cf00 (dump_stack) from [] (_<4>[ 79.319024] [] (ksys_write) from [] (sys_write+0x18/0x1c) __might_sleep+0x188/0x2e0) # [ <4>[ 79.329279] r9:c44a8000 r8:c03002e4 r7:00000004 r6:b6f31e00 r5:00000008 r4:00000008 78.333958] r9:600e0093 r8:00000<4>[ 79.340152] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) 00b r7:c035bed4 r6:00000031 r5:c1<4>[ 79.350836] Exception stack(0xc44a9fa8 to 0xc44a9ff0) 9c9284 r4:c4738000 # [ 78.3419<4>[ 79.359018] 9fa0: 00000008 00000008 00000001 b6dea000 00000008 00000000 96] [] (___might_sleep)<4>[ 79.370320] 9fc0: 00000008 00000008 b6f31e00 00000004 00000001 00000000 00020000 beac4a64 from [] (__might_sleep<4>[ 79.381616] 9fe0: 00000004 beac4798 b6e9c4cf b6e227e6 +0x70/0xb0) # [ 78.350110] r6<4>[ 79.389842] irq event stamp: 0 :00000000 r5:00000031 r4:c19c928<4>[ 79.396029] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 79.404625] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1980 4<4>[ 79.412389] softirqs last enabled at (0): [] copy_process+0x5f8/0x1980 <4>[ 79.420255] softirqs last disabled at (0): [<00000000>] 0x0 # <4>[ 79.426286] ---[ end trace 9a58a83fb7a00324 ]--- [ 78.355034] [] (__might_sleep) from [] (exit_signals+0x4c/0x420) # [ 78.363062] r6:00000001 r5:c4738000 r4:c5f43600 # [ 78.367987] [] (exit_signals) from [] (do_exit+0x100/0xb44) # [ 78.375584] r8:0000000b r7:c1e0f84c r6:ffffe000 r5:00000000 r4:c5f43600 # [ 78.382583] [] (do_exit) from [] (make_task_dead+0x68/0x74) # [ 78.390174] r7:c1e0f84c # [ 78.393006] [] (make_task_dead) from [] (die+0x370/0x37c) # [ 78.400433] [] (die) from [] (do_undefinstr+0x170/0x240) # [ 78.407772] r10:00000004 r9:c4738000 r8:c15e8b44 r7:00000000 r6:c4739dc8 r5:c0c367c0 # [ 78.415881] r4:e7f001f2 # [ 78.418708] [] (do_undefinstr) from [] (__und_svc_finish+0x0/0x54) # [ 78.426906] Exception stack(0xc4739dc8 to 0xc4739e10) # [ 78.432248] 9dc0: c15e8b4c ef7815e0 4dda2ba1 c0c367ac 00000001 c459f000 # [ 78.440718] 9de0: 00000004 c4739f60 c15e8b44 c1acce0c 00000004 c4739e64 c4739e68 c4739e58 # [ 78.449181] 9e00: c0c36240 c0c367c0 a00e0013 ffffffff # [ 78.454520] r7:c4739dfc r6:ffffffff r5:a00e0013 r4:c0c367c4 # [ 78.460477] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) # [ 78.468341] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 78.476647] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 78.484855] r9:c4739f60 r8:c53183c0 r7:00000004 r6:b6df5000 r5:c4310c80 r4:c0c36620 # [ 78.492899] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 78.501021] r9:c07e09f8 r8:c4739f60 r7:c2815800 r6:b6df5000 r5:c4310c80 r4:00000000 # [ 78.509058] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 78.516484] r10:00000004 r9:00000000 r8:00000000 r7:b6df5000 r6:c4738000 r5:c4310c80 # [ 78.524592] r4:c4310c80 # [ 78.527421] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 78.534847] r9:c4738000 r8:c03002e4 r7:00000004 r6:b6f3ce00 r5:00000004 r4:00000004 # [ 78.542883] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 78.550732] Exception stack(0xc4739fa8 to 0xc4739ff0) # [ 78.556073] 9fa0: 00000004 00000004 00000001 b6df5000 00000004 00000000 # [ 78.564541] 9fc0: 00000004 00000004 b6f3ce00 00000004 00000001 00000000 00020000 be8c8a64 # [ 78.573003] 9fe0: 00000004 be8c8798 b6ea74cf b6e2d7e6 # BUG: saw 'kernel BUG at': ok ok 2 selftests: lkdtm: BUG.sh # selftests: lkdtm: WARNING.sh # [ 79.051293] lkdtm: Performing direct entry WARNING # [ 79.056785] ------------[ cut here ]------------ # [ 79.064448] WARNING: CPU: 1 PID: 791 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x48/0x4c # [ 79.076010] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan dw_hdmi_imx dw_hdmi can_dev etnaviv parallel_display imxdrm gpu_sched imx_ipu_v3 # [ 79.107967] CPU: 1 PID: 791 Comm: cat Tainted: G D W 5.10.173-cip27 #1 # [ 79.118692] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 79.128343] Backtrace: # [ 79.133935] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 79.144617] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcf8 # [ 79.153404] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 79.163839] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 79.<6>[ 79.751469] lkdtm: Performing direct entry WARNING_MESSAGE 173917] r9:00000009 r8:c0c3680c <4>[ 79.757549] ------------[ cut here ]------------ r7:00000053 r6:00000009 r5:c0c368<4>[ 79.765278] WARNING: CPU: 3 PID: 826 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x4c/0x54 0c r4:c1acd4c8 # [ 79.184788] <4>[ 79.777510] Warning message trigger count: 2 [] (__warn) from [[ 79.784947] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan dw_hdmi_imx dw_hdmi can_dev etnaviv parallel_display imxdrm gpu_sched imx_ipu_v3 45b8>] (warn_slowpath_fmt+0x8c/0x<4>[ 79.816851] CPU: 3 PID: 826 Comm: cat Tainted: G D W 5.10.173-cip27 #1 a8) # [ 79.195389] r7:0000005<4>[ 79.827587] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 3 r6:c1acd4c8 r5:00000000 r4:c44a<4>[ 79.837239] Backtrace: 8000 # [ 79.204180] [[ 79.842827] [] (dump_backtrace) from [] (show_stack+0x20/0x24) >] (warn_slowpath_fmt) from [[ 79.853506] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcf8 3680c>] (lkdtm_WARNING+0x48/0x4c)<4>[ 79.862295] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 79.215387] r9:c1acce10 r<4>[ 79.872728] [] (dump_stack) from [] (__warn+0x98/0x14c) 8:c15e8b44 r7:c44a9f60 r6:0000000<4>[ 79.882807] r9:00000009 r8:c0c3685c r7:00000058 r6:00000009 r5:c0c3685c r4:c1acd4c8 8 r5:c4452000 r4:00000002 # [ <4>[ 79.893676] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) 79.226258] [] (lkdtm_WA<4>[ 79.904276] r7:00000058 r6:c1acd4c8 r5:c1acd4e4 r4:c4596000 RNING) from [] (lkdtm_d<4>[ 79.913065] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING_MESSAGE+0x4c/0x54) o_action+0x2c/0x4c) # [ 79.237<4>[ 79.924967] r9:c1acce18 r8:c15e8b44 r7:c4597f60 r6:00000010 r5:c6c3d000 r4:00000003 296] [] (lkdtm_do_actio<4>[ 79.935835] [] (lkdtm_WARNING_MESSAGE) from [] (lkdtm_do_action+0x2c/0x4c) n) from [] (direct_entr<4>[ 79.947566] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) y+0x120/0x18c) # [ 79.248431] <4>[ 79.958699] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [] (direct_entry) from <4>[ 79.969730] r9:c4597f60 r8:c53183c0 r7:00000010 r6:b6e1e000 r5:c420cc80 r4:c0c36620 [] (full_proxy_write+0x<4>[ 79.980605] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) 64/0x94) # [ 79.259464] r9:c4<4>[ 79.991549] r9:c07e09f8 r8:c4597f60 r7:c2815800 r6:b6e1e000 r5:c420cc80 r4:00000000 4a9f60 r8:c53183c0 r7:00000008 r6<4>[ 80.002416] [] (vfs_write) from [] (ksys_write+0x74/0xec) :b6dea000 r5:c6c8cf00 r4:c0c36620<4>[ 80.012673] r10:00000004 r9:00000000 r8:00000000 r7:b6e1e000 r6:c4596000 r5:c420cc80 # [ 79.270341] [] (<4>[ 80.023621] r4:c420cc80 full_proxy_write) from [[ 80.029287] [] (ksys_write) from [] (sys_write+0x18/0x1c) >] (vfs_write+0x10c/0x53c) # [ <4>[ 80.039543] r9:c4596000 r8:c03002e4 r7:00000004 r6:b6f65e00 r5:00000010 r4:00000010 79.281285] r9:c07e09f8 r8:c44a9<4>[ 80.050413] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) f60 r7:c2815800 r6:b6dea000 r5:c6<4>[ 80.061097] Exception stack(0xc4597fa8 to 0xc4597ff0) c8cf00 r4:00000000 # [ 79.2921<4>[ 80.069278] 7fa0: 00000010 00000010 00000001 b6e1e000 00000010 00000000 55] [] (vfs_write) from<4>[ 80.080576] 7fc0: 00000010 00000010 b6f65e00 00000004 00000001 00000000 00020000 be899a64 [] (ksys_write+0x74/0x<4>[ 80.091874] 7fe0: 00000004 be899798 b6ed04cf b6e567e6 ec) # [ 79.302409] r10:000000<4>[ 80.100090] irq event stamp: 0 04 r9:00000000 r8:00000000 r7:b6d<4>[ 80.106260] hardirqs last enabled at (0): [<00000000>] 0x0 ea000 r6:c44a8000 r5:c6c8cf00 # <4>[ 80.114968] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1980 [ 79.313358] r4:c6c8cf00 # [ <4>[ 80.125574] softirqs last enabled at (0): [] copy_process+0x5f8/0x1980 79.319024] [] (ksys_w<4>[ 80.136182] softirqs last disabled at (0): [<00000000>] 0x0 rite) from [] (sys_writ<4>[ 80.144868] ---[ end trace 9a58a83fb7a00325 ]--- e+0x18/0x1c) # [ 79.329279] r9:c44a8000 r8:c03002e4 r7:00000004 r6:b6f31e00 r5:00000008 r4:00000008 # [ 79.340152] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 79.350836] Exception stack(0xc44a9fa8 to 0xc44a9ff0) # [ 79.359018] 9fa0: 00000008 00000008 00000001 b6dea000 00000008 00000000 # [ 79.370320] 9fc0: 00000008 00000008 b6f31e00 00000004 00000001 00000000 00020000 beac4a64 # [ 79.381616] 9fe0: 00000004 beac4798 b6e9c4cf b6e227e6 # [ 79.389842] irq event stamp: 0 # [ 79.396029] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 79.404625] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1980 # [ 79.412389] softirqs last enabled at (0): [] copy_process+0x5f8/0x1980 # [ 79.420255] softirqs last disabled at (0): [<00000000>] 0x0 # [ 79.426286] ---[ end trace 9a58a83fb7a00324 ]--- # WARNING: saw 'WARNING:': ok ok 3 selftests: lkdtm: WARNING.sh # selftests: lkdtm: WARNING_MESSAGE.sh # [ 79.751469] lkdtm: Performing direct entry WARNING_MESSAGE # [ 79.757549] ------------[ cut here ]------------ # [ 79.765278] WARNING: CPU: 3 PID: 826 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x4c/0x54 # [ 79.777510] Warning message trigger count: 2 # [ 79.784947] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan dw_hdmi_imx dw_hdmi can_dev etnaviv parallel_display imxdrm gpu_sched imx_ipu_v3 # [ 79.816851] CPU: 3 PID: 826 Comm: cat Tainted: G D W 5.10.173-cip27 #1 # [ 79.827587] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 79.837239] Backtrace: # [ 79.842827] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 79.853506] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcf8 # [ 79.862295] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 79.872728] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 79.882807] r9:00000009 r8:c0c3685c r7:00000058 r6:00000009 r5:c0c3685c r4:c1acd4c8 # [ 79.893676] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 79.904276] r7:00000058 r6:c1acd4c8 r5:c1acd4e4 r4:c4596000 # [ 79.913065] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING_MESSAGE+0x4c/0x54) # [ 79.924967] r9:c1acce18 r8:c15e8b44 r7:c4597f60 r6:00000010 r5:c6c3d000 r4:00000003 # [ 79.935835] [] (lkdtm_WARNING_MESSAGE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 79.947566] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 79.958699] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 79.969730] r9:c4597f60 r8:c53183c0 r7:00000010 r6:b6e1e000 r5:c420cc80 r4:c0c36620 # [ 79.980605] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 79.991549] r9:c07e09f8 r8:c4597f60 r7:c2815800 r6:b6e1e000 r5:c420cc80 r4:00000000 # [ 80.002416] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 80.012673] r10:00000004 r9:00000000 r8:00000000 r7:b6e1e000 r6:c4596000 r5:c420cc80 # [ 80.023621] r4:c420cc80 # [ 80.029287] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 80.039543] r9:c4596000 r8:c03002e4 r7:00000004 r6:b6f65e00 r<6>[ 80.454687] lkdtm: Performing direct entry EXCEPTION 5:00000010 r4:00000010 # [< 1 > 80.462073] 8<--- cut here --- 80.050413] [] (sys_writ<1>[ 80.468004] Unable to handle kernel NULL pointer dereference at virtual address 00000000 e) from [] (ret_fast_sy<1>[ 80.479161] pgd = 745a8a9a scall+0x0/0x28) # [ 80.061097]<1>[ 80.485013] [00000000] *pgd=00000000 Exception stack(0xc459<70f>a[8 80.491665] Internal error: Oops: 805 [#2] SMP ARM to 0xc4597ff0) # [ 80.069278] <4>[ 80.499057] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan dw_hdmi_imx dw_hdmi can_dev etnaviv parallel_display imxdrm gpu_sched imx_ipu_v3 7fa0: < 4 > [ 080.531026] CPU: 2 PID: 858 Comm: cat Tainted: G D W 5.10.173-cip27 #1 000010 000000<140> [0 0 08000.0541107] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 1 b6e1e000 00000010 000000<04>0[ 80.549812] PC is at lkdtm_EXCEPTION+0x18/0x20 # [ 80.080576<]4 >7[f c 0 :8 0.556938] LR is at lkdtm_do_action+0x2c/0x4c 0000010 000<040>0[1 0 b860f.6553721] pc : [] lr : [] psr: a00e0013 e00 000000<044> [0 0 08000.05071068] sp : c440be58 ip : c440be68 fp : c440be64 00000000 0<040>2[0 0 0 08 0b.e589288] r10: 0000000a r9 : c1acce28 r8 : c15e8b44 99a64 # [ < 48>0[. 0 9 18807.4586594] r7 : c440bf60 r6 : 0000000a r5 : c470c000 r4 : 00000004 7fe0: 000<040>0[ 0 4 8b0e.85999288] r3 : 00000000 r2 : 2d6ce088 r1 : ef7ab5e0 r0 : c15e8b64 798 b6ed04cf b66[7 e 6 8 0#603811] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 80.10009<04]> [i r q 8e0v.e13200] Control: 10c5387d Table: 16e2804a DAC: 00000051 nt stamp: 0 # <[0 > [ 8 0 .8100621116] Process cat (pid: 858, stack limit = 0x04ee882c) 6260] hardirql[a s t8 0 .e629028] Stack: (0xc440be58 to 0xc440c000) abled at (0): [<<000>0[0 0 0 0800.635554] be40: c440be74 c440be68 ] 0x0 # [ 80.1<104>9[6 8 ] 8h.646074] be60: c0c36240 c0c36870 c440be9c c440be78 c0c36740 c0c36220 c0c36620 c68977c0 ardirqs last disae[d a t8 .656592] be80: b6e65000 0000000a c53183c0 c440bf60 c440bec4 c440bea0 c07e0a5c c0c3662c (0): [<]0 >c[o p y _8p0.667109] bea0: 00000000 c68977c0 b6e65000 c2815800 c440bf60 c07e09f8 c440bf5c c440bec8 ocess+0x5f8/0x198<00 > [# [8 0.677628] bec0: c0597f58 c07e0a04 00000001 00000000 c0598504 c1375478 c0598504 c440a000 80.125574] softir [l a s t80.688146] bee0: b6e65000 00020000 00000004 0000000a 0001fff6 c440bee0 00000001 b6e64000 enabled at (0<)0:> [[ < c 08305.698748] bf00: c2f8a640 00000000 00000000 00000000 00000000 00000000 00000000 00000000 d50>] copy_procs[+ 0 x 58f08709181] bf20: 00000000 00000000 c1375478 2d6ce088 c205dcc0 c68977c0 c68977c0 c440a000 /0x1980 # [ < 08>0[. 1 3 68108.719610] bf40: b6e65000 00000000 00000000 00000004 c440bf94 c440bf60 c0598504 c0597e58 ] softirqs last da[b l e d8 .730044] bf60: 00000000 00000000 c440bfac 2d6ce088 0000000a 0000000a b6face00 00000004 at (0): [<00000<000>0[> ] 08x00740560] bf80: c03002e4 c440a000 c440bfa4 c440bf98 c0598594 c059849c 00000000 c440bfa8 # [ 80.144868<]0 >-[- - [ 8e.750992] bfa0: c03000c0 c0598588 0000000a 0000000a 00000001 b6e65000 0000000a 00000000 nd trace 9a58a837[a 0 0 3820.761509] bfc0: 0000000a 0000000a b6face00 00000004 00000001 00000000 00020000 becf8a64 ]--- # WARNING_S[S A G E8:.772027] bfe0: 00000004 becf8798 b6f174cf b6e9d7e6 800e0030 00000001 00000000 00000000 saw 'message trg[e r ' :8 0.782538] Backtrace: k ok 4 selftests: lt[m : 80.787336] [] (lkdtm_EXCEPTION) from [] (lkdtm_do_action+0x2c/0x4c) ARNING_MESSAGE.sh # l[f t e80.797941] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) sts: lkdtm: EXCEPTION.sh <0>[ 80.808465] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 80.818888] r9:c440bf60 r8:c53183c0 r7:0000000a r6:b6e65000 r5:c68977c0 r4:c0c36620 <0>[ 80.826909] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 80.835007] r9:c07e09f8 r8:c440bf60 r7:c2815800 r6:b6e65000 r5:c68977c0 r4:00000000 <0>[ 80.843021] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 80.850424] r10:00000004 r9:00000000 r8:00000000 r7:b6e65000 r6:c440a000 r5:c68977c0 <0>[ 80.858518] r4:c68977c0 <0>[ 80.861322] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 80.868726] r9:c440a000 r8:c03002e4 r7:00000004 r6:b6face00 r5:0000000a r4:0000000a <0>[ 80.876742] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 80.884579] Exception stack(0xc440bfa8 to 0xc440bff0) <0>[ 80.889898] bfa0: 0000000a 0000000a 00000001 b6e65000 0000000a 00000000 <0>[ 80.898346] bfc0: 0000000a 0000000a b6face00 00000004 00000001 00000000 00020000 becf8a64 <0>[ 80.906788] bfe0: 00000004 becf8798 b6f174cf b6e9d7e6 <0>[ 80.912109] Code: e24cb004 e52de004 e8bd4000 e3a03000 (e5833000) <4>[ 80.918534] ---[ end trace 9a58a83fb7a00326 ]--- # Segmentation fault # [ 80.454687] lkdtm: Performing direct entry EXCEPTION # [ 80.462073] 8<--- cut here --- # [ 80.468004] Unable to handle kernel NULL pointer dereference at virtual address 00000000 # [ 80.479161] pgd = 745a8a9a # [ 80.485013] [00000000] *pgd=00000000 # [ 80.491665] Internal error: Oops: 805 [#2] SMP ARM # [ 80.499057] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan dw_hdmi_imx dw_hdmi can_dev etnaviv parallel_display imxdrm gpu_sched imx_ipu_v3 # [ 80.531026] CPU: 2 PID: 858 Comm: cat Tainted: G D W 5.10.173-cip27 #1 # [ 80.541107] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 80.549812] PC is at lkdtm_EXCEPTION+0x18/0x20 # [ 80.556938] LR is at lkdtm_do_action+0x2c/0x4c # [ 80.563721] pc : [] lr : [] psr: a00e0013 # [ 80.572068] sp : c440be58 ip : c440be68 fp : c440be64 # [ 80.579288] r10: 0000000a r9 : c1acce28 r8 : c15e8b44 # [ 80.586594] r7 : c440bf60 r6 : 0000000a r5 : c470c000 r4 : 00000004 # [ 80.595288] r3 : 00000000 r2 : 2d6ce088 r1 : ef7ab5e0 r0 : c15e8b64 # [ 80.603811] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 80.613200] Control: 10c5387d Table: 16e2804a DAC: 00000051 # [ 80.621116] Process cat (pid: 858, stack limit = 0x04ee882c) # [ 80.629028] Stack: (0xc440be58 to 0xc440c000) # [ 80.635554] be40: c440be74 c440be68 # [ 80.646074] be60: c0c36240 c0c36870 c440be9c c440be78 c0c36740 c0c36220 c0c36620 c68977c0 # [ 80.656592] be80: b6e65000 0000000a c53183c0 c440bf60 c440bec4 c440bea0 c07e0a5c c0c3662c # [ 80.667109] bea0: 00000000 c68977c0 b6e65000 c2815800 c440bf60 c07e09f8 c440bf5c c440bec8 # [ 80.677628] bec0: c0597f58 c07e0a04 00000001 00000000 c0598504 c1375478 c0598504 c440a000 # [ 80.688146] bee0: b6e65000 00020000 00000004 0000000a 0001fff6 c440bee0 00000001 b6e64000 # [ 80.698748] bf00: c2f8a640 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 80.709181] bf20: 00000000 00000000 c1375478 2d6ce088 c205dcc0 c68977c0 c68977c0 c440a000 # [ 80.719610] bf40: b6e65000 00000000 00000000 00000004 c440bf94 c440bf60 c0598504 c0597e58 # [ 80.730044] bf60: 00000000 00000000 c440bfac 2d6ce088 0000000a 0000000a b6face00 00000004 # [ 80.740560] bf80: c03002e4 c440a000 c440bfa4 c440bf98 c0598594 c059849c 00000000 c440bfa8 # [ 80.750992] bfa0: c03000c0 c0598588 0000000a 0000000a 00000001 b6e65000 0000000a 00000000 # [ 80.761509] bfc0: 0000000a 0000000a b6face00 00000004 00000001 00000000 00020000 becf8a64 # [ 80.772027] bfe0: 00000004 becf8798 b6f174cf b6e9d7e6 800e0030 00000001 00000000 00000000 # [ 80.782538] Backtrace: # [ 80.787336] [] (lkdtm_EXCEPTION) from [] (lkdtm_do_action+0x2c/0x4c) # [ 80.797941] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 80.808465] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 80.818888] r9:c440bf60 r8:c53183c0 r7:0000000a r6:b6e65000 r5:c68977c0 r4:c0c36620 # [ 80.826909] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 80.835007] r9:c07e09f8 r8:c440bf60 r7:c2815800 r6:b6e65000 r5:c68977c0 r4:00000000 # [ 80.843021] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 80.850424] r10:00000004 r9:00000000 r8:00000000 r7:b6e65000 r6:c440a000 r5:c68977c0 # [ 80.858518] r4:c68977c0 # [ 80.861322] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 80.868726] r9:c440a000 r8:c03002e4 r7:00000004 r6:b6face00 r5:0000000a r4:0000000a # [ 80.876742] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 80.884579] Exception stack(0xc440bfa8 to 0xc440bff0) # [ 80.889898] bfa0: 0000000a 0000000a 00000001 b6e65000 0000000a 00000000 # [ 80.898346] bfc0: 0000000a 0000000a b6face00 00000004 00000001 00000000 00020000 becf8a64 # [ 80.906788] bfe0: 00000004 becf8798 b6f174cf b6e9d7e6 # [ 80.912109] Code: e24cb004 e52de004 e8bd4000 e3a03000 (e5833000) # [ 80.918534] ---[ end trace 9a58a83fb7a00326 ]--- # 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 <6>[ 82.093549] lkdtm: Performing direct entry CORRUPT_LIST_ADD <6>[ 82.099403] lkdtm: attempting good list addition <6>[ 82.104353] lkdtm: attempting corrupted list addition <3>[ 82.109674] lkdtm: list_add() corruption not detected! # [ 82.093549] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 82.099403] lkdtm: attempting good list addition # [ 82.104353] lkdtm: attempting corrupted list addition # [ 82.109674] 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 <6>[ 82.467692] lkdtm: Performing direct entry CORRUPT_LIST_DEL <6>[ 82.473719] lkdtm: attempting good list removal <6>[ 82.478546] lkdtm: attempting corrupted list removal <3>[ 82.483847] lkdtm: list_del() corruption not detected! # [ 82.467692] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 82.473719] lkdtm: attempting good list removal # [ 82.478546] lkdtm: attempting corrupted list removal # [ 82.483847] 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 <6>[ 82.802755] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING <6>[ 82.809539] lkdtm: attempting bad read from page below current stack <3>[ 82.816236] lkdtm: FAIL: accessed page before stack! (byte: 0) # [ 82.802755] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 82.809539] lkdtm: attempting bad read from page below current stack # [ 82.816236] 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 <6>[ 83.140354] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING <6>[ 83.147080] lkdtm: attempting bad read from page above current stack <3>[ 83.153820] lkdtm: FAIL: accessed page after stack! (byte: 33) # [ 83.140354] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING # [ 83.147080] lkdtm: attempting bad read from page above current stack # [ 83.153820] lkdtm: FAIL: accessed page after stack! (byte: 33) # 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 <6>[ 83.502295] lkdtm: Performing direct entry UNSET_SMEP <3>[ 83.507772] lkdtm: XFAIL: this test is x86_64-only # [ 83.502295] lkdtm: Performing direct entry UNSET_SMEP # [ 83.507772] 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 <6>[ 83.825264] lkdtm: Performing direct entry DOUBLE_FAULT <3>[ 83.830777] lkdtm: XFAIL: this test is ia32-only # [ 83.825264] lkdtm: Performing direct entry DOUBLE_FAULT # [ 83.830777] 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 <6>[ 84.151215] lkdtm: Performing direct entry CORRUPT_PAC <3>[ 84.156867] lkdtm: XFAIL: this test is arm64-only # [ 84.151215] lkdtm: Performing direct entry CORRUPT_PAC # [ 84.156867] 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 <6>[ 84.481630] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE <3>[ 84.488422] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS # [ 84.481630] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # [ 84.488422] 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 <6>[ 85.185987] lkdtm: Performing direct entry READ_AFTER_FREE <6>[ 85.191763] lkdtm: Value in memory before free: 12345678 <6>[ 85.197439] lkdtm: Attempting bad read from freed memory <6>[ 85.203101] lkdtm: Memory was not poisoned # [ 85.185987] lkdtm: Performing direct entry READ_AFTER_FREE # [ 85.191763] lkdtm: Value in memory before free: 12345678 # [ 85.197439] lkdtm: Attempting bad read from freed memory # [ 85.203101] 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 <6>[ 85.706008] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE <6>[ 85.712309] lkdtm: Value in memory before free: 12345678 <6>[ 85.718020] lkdtm: Attempting to read from freed memory <6>[ 85.723590] lkdtm: Buddy page was not poisoned # [ 85.706008] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE # [ 85.712309] lkdtm: Value in memory before free: 12345678 # [ 85.718020] lkdtm: Attempting to read from freed memory # [ 85.723590] 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 <6>[ 86.050512] lkdtm: Performing direct entry SLAB_FREE_DOUBLE <6>[ 86.056439] lkdtm: Attempting double slab free ... # [ 86.050512] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 86.056439] 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 <6>[ 86.388382] lkdtm: Performing direct entry SLAB_FREE_CROSS <6>[ 86.394412] lkdtm: Attempting cross-cache slab free ... # [ 86.388382] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 86.394412] 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 <6>[ 86.716647] lkdtm: Performing direct entry SLAB_FREE_PAGE <6>[ 86.722330] lkdtm: Attempting non-Slab slab free ... # [ 86.716647] lkdtm: Performing direct entry SLAB_FREE_PAGE # [ 86.722330] 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 <6>[ 87.792553] lkdtm: Performing direct entry EXEC_DATA <6>[ 87.798035] lkdtm: attempting ok execution at c0c36fb0 <6>[ 87.803512] lkdtm: attempting bad execution at c26f896c <1>[ 87.809022] 8<--- cut here --- <1>[ 87.812347] Unable to handle kernel paging request at virtual address c26f896c <1>[ 87.819847] pgd = 67c64fbd <1>[ 87.822839] [c26f896c] *pgd=1261141e(bad) <0>[ 87.827163] Internal error: Oops: 8000000d [#3] SMP ARM <4>[ 87.832674] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan dw_hdmi_imx dw_hdmi can_dev etnaviv parallel_display imxdrm gpu_sched imx_ipu_v3 <4>[ 87.862196] CPU: 1 PID: 1701 Comm: cat Tainted: G D W 5.10.173-cip27 #1 <4>[ 87.870220] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 87.877049] PC is at data_area+0x0/0x40 <4>[ 87.881182] LR is at execute_location+0xa4/0xb4 <4>[ 87.885998] pc : [] lr : [] psr: 600e0013 <4>[ 87.892548] sp : c6979e38 ip : 00000027 fp : c6979e54 <4>[ 87.898054] r10: 0000000a r9 : c1acd00c r8 : c15e8b44 <4>[ 87.903563] r7 : c6979f60 r6 : 00000001 r5 : c26f896c r4 : c0c36fb0 <4>[ 87.910372] r3 : d786ea59 r2 : d786ea59 r1 : ef7965e4 r0 : 0000002b <4>[ 87.917185] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 87.924605] Control: 10c5387d Table: 16e5c04a DAC: 00000051 <0>[ 87.930635] Process cat (pid: 1701, stack limit = 0xc8e1e388) <0>[ 87.936666] Stack: (0xc6979e38 to 0xc697a000) <0>[ 87.941310] 9e20: 0000001f c6d15000 <0>[ 87.949780] 9e40: 0000000a c6979f60 c6979e64 c6979e58 c1360e58 c1360c54 c6979e74 c6979e68 <0>[ 87.958248] 9e60: c0c36240 c1360e40 c6979e9c c6979e78 c0c36740 c0c36220 c0c36620 c2806500 <0>[ 87.966715] 9e80: b6ea2000 0000000a c53183c0 c6979f60 c6979ec4 c6979ea0 c07e0a5c c0c3662c <0>[ 87.975183] 9ea0: 00000000 c2806500 b6ea2000 c2815800 c6979f60 c07e09f8 c6979f5c c6979ec8 <0>[ 87.983653] 9ec0: c0597f58 c07e0a04 00000001 00000000 c0598504 c1375478 c0598504 c6978000 <0>[ 87.992119] 9ee0: b6ea2000 00020000 00000004 0000000a 0001fff6 c6979ee0 00000001 b6ea1000 <0>[ 88.000584] 9f00: c6894dc0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 88.009052] 9f20: 00000000 00000000 c1375478 d786ea59 c205dcc0 c2806500 c2806500 c6978000 <0>[ 88.017518] 9f40: b6ea2000 00000000 00000000 00000004 c6979f94 c6979f60 c0598504 c0597e58 <0>[ 88.025988] 9f60: 00000000 00000000 c6979fac d786ea59 0000000a 0000000a b6fe9e00 00000004 <0>[ 88.034455] 9f80: c03002e4 c6978000 c6979fa4 c6979f98 c0598594 c059849c 00000000 c6979fa8 <0>[ 88.042922] 9fa0: c03000c0 c0598588 0000000a 0000000a 00000001 b6ea2000 0000000a 00000000 <0>[ 88.051389] 9fc0: 0000000a 0000000a b6fe9e00 00000004 00000001 00000000 00020000 be9c9a64 <0>[ 88.059855] 9fe0: 00000004 be9c9798 b6f544cf b6eda7e6 800e0030 00000001 00000000 00000000 <0>[ 88.068308] Backtrace: <0>[ 88.071066] [] (execute_location) from [] (lkdtm_EXEC_DATA+0x24/0x28) <0>[ 88.079535] r7:c6979f60 r6:0000000a r5:c6d15000 r4:0000001f <0>[ 88.085497] [] (lkdtm_EXEC_DATA) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 88.093885] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 88.102195] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 88.110405] r9:c6979f60 r8:c53183c0 r7:0000000a r6:b6ea2000 r5:c2806500 r4:c0c36620 <0>[ 88.118464] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 88.126587] r9:c07e09f8 r8:c6979f60 r7:c2815800 r6:b6ea2000 r5:c2806500 r4:00000000 <0>[ 88.134627] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 88.142058] r10:00000004 r9:00000000 r8:00000000 r7:b6ea2000 r6:c6978000 r5:c2806500 <0>[ 88.150169] r4:c2806500 <0>[ 88.153002] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 88.160431] r9:c6978000 r8:c03002e4 r7:00000004 r6:b6fe9e00 r5:0000000a r4:0000000a <0>[ 88.168475] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 88.176329] Exception stack(0xc6979fa8 to 0xc6979ff0) <0>[ 88.181671] 9fa0: 0000000a 0000000a 00000001 b6ea2000 0000000a 00000000 <0>[ 88.190144] 9fc0: 0000000a 0000000a b6fe9e00 00000004 00000001 00000000 00020000 be9c9a64 <0>[ 88.198609] 9fe0: 00000004 be9c9798 b6f544cf b6eda7e6 <0>[ 88.203957] Code: 00000000 c589c240 c589c300 c589c3c0 (e1a0c00d) <4>[ 88.210344] ---[ end trace 9a58a83fb7a00327 ]--- # Segmentation fault # [ 87.792553] lkdtm: Performing direct entry EXEC_DATA # [ 87.798035] lkdtm: attempting ok execution at c0c36fb0 # [ 87.803512] lkdtm: attempting bad execution at c26f896c # [ 87.809022] 8<--- cut here --- # [ 87.812347] Unable to handle kernel paging request at virtual address c26f896c # [ 87.819847] pgd = 67c64fbd # [ 87.822839] [c26f896c] *pgd=1261141e(bad) # [ 87.827163] Internal error: Oops: 8000000d [#3] SMP ARM # [ 87.832674] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan dw_hdmi_imx dw_hdmi can_dev etnaviv parallel_display imxdrm gpu_sched imx_ipu_v3 # [ 87.862196] CPU: 1 PID: 1701 Comm: cat Tainted: G D W 5.10.173-cip27 #1 # [ 87.870220] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 87.877049] PC is at data_area+0x0/0x40 # [ 87.881182] LR is at execute_location+0xa4/0xb4 # [ 87.885998] pc : [] lr : [] psr: 600e0013 # [ 87.892548] sp : c6979e38 ip : 00000027 fp : c6979e54 # [ 87.898054] r10: 0000000a r9 : c1acd00c r8 : c15e8b44 # [ 87.903563] r7 : c6979f60 r6 : 00000001 r5 : c26f896c r4 : c0c36fb0 # [ 87.910372] r3 : d786ea59 r2 : d786ea59 r1 : ef7965e4 r0 : 0000002b # [ 87.917185] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 87.924605] Control: 10c5387d Table: 16e5c04a DAC: 00000051 # [ 87.930635] Process cat (pid: 1701, stack limit = 0xc8e1e388) # [ 87.936666] Stack: (0xc6979e38 to 0xc697a000) # [ 87.941310] 9e20: 0000001f c6d15000 # [ 87.949780] 9e40: 0000000a c6979f60 c6979e64 c6979e58 c1360e58 c1360c54 c6979e74 c6979e68 # [ 87.958248] 9e60: c0c36240 c1360e40 c6979e9c c6979e78 c0c36740 c0c36220 c0c36620 c2806500 # [ 87.966715] 9e80: b6ea2000 0000000a c53183c0 c6979f60 c6979ec4 c6979ea0 c07e0a5c c0c3662c # [ 87.975183] 9ea0: 00000000 c2806500 b6ea2000 c2815800 c6979f60 c07e09f8 c6979f5c c6979ec8 # [ 87.983653] 9ec0: c0597f58 c07e0a04 00000001 00000000 c0598504 c1375478 c0598504 c6978000 # [ 87.992119] 9ee0: b6ea2000 00020000 00000004 0000000a 0001fff6 c6979ee0 00000001 b6ea1000 # [ 88.000584] 9f00: c6894dc0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 88.009052] 9f20: 00000000 00000000 c1375478 d786ea59 c205dcc0 c2806500 c2806500 c6978000 # [ 88.017518] 9f40: b6ea2000 00000000 00000000 00000004 c6979f94 c6979f60 c0598504 c0597e58 # [ 88.025988] 9f60: 00000000 00000000 c6979fac d786ea59 0000000a 0000000a b6fe9e00 00000004 # [ 88.034455] 9f80: c03002e4 c6978000 c6979fa4 c6979f98 c0598594 c059849c 00000000 c6979fa8 # [ 88.042922] 9fa0: c03000c0 c0598588 0000000a 0000000a 00000001 b6ea2000 0000000a 00000000 # [ 88.051389] 9fc0: 0000000a 0000000a b6fe9e00 00000004 00000001 00000000 00020000 be9c9a64 # [ 88.059855] 9fe0: 00000004 be9c9798 b6f544cf b6eda7e6 800e0030 00000001 00000000 00000000 # [ 88.068308] Backtrace: # [ 88.071066] [] (execute_location) from [] (lkdtm_EXEC_DATA+0x24/0x28) # [ 88.079535] r7:c6979f60 r6:0000000a r5:c6d15000 r4:0000001f # [ 88.085497] [] (lkdtm_EXEC_DATA) from [] (lkdtm_do_action+0x2c/0x4c) # [ 88.093885] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 88.102195] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 88.110405] r9:c6979f60 r8:c53183c0 r7:0000000a r6:b6ea2000 r5:c2806500 r4:c0c36620 # [ 88.118464] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 88.126587] r9:c07e09f8 r8:c6979f60 r7:c281580<6>[ 88.642941] lkdtm: Performing direct entry EXEC_STACK 0 r6:b6ea2000 r5:c2806500 r4:0000<6>[ 88.651066] lkdtm: attempting ok execution at c0c36fb0 0000 # [ 88.134627] [[ 88.659291] lkdtm: attempting bad execution at c4597e0c >] (vfs_write) from [] <1>[ 88.667650] 8<--- cut here --- (ksys_write+<01x>7[4 / 0 x8e8c.)673773] Unable to handle kernel paging request at virtual address c4597e0c # [ 88.142<015>8[] r8180.:83165] pgd = 4599fcf8 00000004 r9:00000000 r8:0<010>0[0 88.688039] [c4597e0c] *pgd=1441141e(bad) 000 r7:b6ea2000 :[c 6 9 7888.694742] Internal error: Oops: 8000000d [#4] SMP ARM 00 r5:c2806500 # [ 88.150169] <4>[ 88.702308] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan dw_hdmi_imx dw_hdmi can_dev etnaviv parallel_display imxdrm gpu_sched imx_ipu_v3 r4:c2806500 # [ <4 >8[8 . 1 588.734272] CPU: 3 PID: 1777 Comm: cat Tainted: G D W 5.10.173-cip27 #1 002] [8[4 9 0 >8]8 .(7k4s437] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) ys_write) from [<<4c>0[5 9 8 5898.752963] PC is at 0xc4597e0c >] (sys_write+0x18/0c[) 88.758450] LR is at execute_location+0xa4/0xb4 [ 88.160<443>1[] 8r89.:7c65490] pc : [] lr : [] psr: 600e0013 978000 r8:c0<340>0[2 e 4 8r87.:773839] sp : c4597de8 ip : c4597cf0 fp : c4597e04 0000004 r6<:4b>6[f e 9 e8080. 7r81230] r10: 0000000b r9 : c1acd018 r8 : c15e8b44 :0000000a :[ 0 0 08080.0708a537] r7 : c4597f60 r6 : 00000001 r5 : c4597e0c r4 : c0c36fb0 # [ <848>.[1 6 8 48785.]7 9[7058] r3 : 9d55392a r2 : 9d55392a r1 : ef7c05e0 r0 : 0000002b c059857c>] (s[_ w r i8t8e.)805582] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none from [[0 c 0 >8]8 .(8r1e885] Control: 10c5387d Table: 16a6404a DAC: 00000051 t_fast_syscall<+00>x[0 / 0 x8288.822626] Process cat (pid: 1777, stack limit = 0xb495beff) # [ 88.1<706>3[2 9 ] 8E8x.c830628] Stack: (0xc4597de8 to 0xc4598000) ption stack(0xc697<90f>a[8 t o88.837157] 7de0: c4596000 c4452000 0000000b c4597f60 c4597e64 c4597e08 0xc6979ff0) # <[0 > [ 8 8 .8188847761] 7e00: c1360e94 c1360c54 c4597e6c e1a0c00d e92dd800 e24cb004 e52de004 e8bd4000 1671] 9fa0: < 0 > [ 88.858193] 7e20: e89da800 e1a0c00d e92dd830 e24cb004 e52de004 e8bd4000 e30d3374 e34c31b7 0000000a 0<000>0[0 0 0 a8 80.868797] 7e40: e3a02040 e3a01d33 e5930018 9d55392a 0000000b 00000020 c4597e74 c4597e68 000001 b6ea200<00 >0[0 0 0 08080.879229] 7e60: c0c36240 c1360e68 c4597e9c c4597e78 c0c36740 c0c36220 c0c36620 c4345b80 00000000 # [< 0 > [8 8 . 18980.889660] 7e80: b6e03000 0000000b c53183c0 c4597f60 c4597ec4 c4597ea0 c07e0a5c c0c3662c 44] 9fc0: 00000<000>a[ 0 0 08080900092] 7ea0: 00000000 c4345b80 b6e03000 c2815800 c4597f60 c07e09f8 c4597f5c c4597ec8 00a b6fe9e00 000<000>0[0 4 0808.910523] 7ec0: c0597f58 c07e0a04 00000001 00000000 c0598504 c1375478 c0598504 c4596000 00001 00000000 <000>0[2 0 0 0808 921041] 7ee0: b6e03000 00020000 00000004 0000000b 0001fff5 c4597ee0 00000001 b6e02000 be9c9a64 # [ < 0 >8[8 . 1 98886.931472] 7f00: c6b59180 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9] 9fe0: 00000004< 0b>e[9 c 9 789.941905] 7f20: 00000000 00000000 c1375478 9d55392a c205dcc0 c4345b80 c4345b80 c4596000 8 b6f544cf b6ede[6 #8 8[952422] 7f40: b6e03000 00000000 00000000 00000004 c4597f94 c4597f60 c0598504 c0597e58 88.203957] d[e : 08080.962853] 7f60: 00000000 00000000 c4597fac 9d55392a 0000000b 0000000b b6f4ae00 00000004 0000 c589c240 c<508>9[c 3 0 08 8c973284] 7f80: c03002e4 c4596000 c4597fa4 c4597f98 c0598594 c059849c 00000000 c4597fa8 589c3c0 (e1a0c00 [ # 8[8.983717] 7fa0: c03000c0 c0598588 0000000b 0000000b 00000001 b6e03000 0000000b 00000000 88.210344] --<-0[> [e n d 8t8r994235] 7fc0: 0000000b 0000000b b6f4ae00 00000004 00000001 00000000 00020000 bede0a64 ace 9a58a83fb7a<000>3[2 7 ]8-9-004666] 7fe0: 00000004 bede0798 b6eb54cf b6e3b7e6 800e0030 00000001 00000000 00000000 - # EXEC_DA:[ m i s8s9i.n015090] Backtrace: 'call trace:': [FAIL] < 0n>o[t 89.019718] [] (execute_location) from [] (lkdtm_EXEC_STACK+0x38/0x54) ok 30 selftests: d[t m : 8E.030577] r7:c4597f60 r6:0000000b r5:c4452000 r4:c4596000 XEC_DATA.sh # exit=1 #< 0s>e[l f 89.038584] [] (lkdtm_EXEC_STACK) from [] (lkdtm_do_action+0x2c/0x4c) tests: lkm[: E X8E9C._0S4T353] r4:00000020 ACK.sh <0>[ 89.053887] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 89.062850] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 89.071036] r9:c4597f60 r8:c53183c0 r7:0000000b r6:b6e03000 r5:c4345b80 r4:c0c36620 <0>[ 89.079055] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 89.087154] r9:c07e09f8 r8:c4597f60 r7:c2815800 r6:b6e03000 r5:c4345b80 r4:00000000 <0>[ 89.095169] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 89.102572] r10:00000004 r9:00000000 r8:00000000 r7:b6e03000 r6:c4596000 r5:c4345b80 <0>[ 89.110665] r4:c4345b80 <0>[ 89.113470] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 89.120875] r9:c4596000 r8:c03002e4 r7:00000004 r6:b6f4ae00 r5:0000000b r4:0000000b <0>[ 89.128892] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 89.136726] Exception stack(0xc4597fa8 to 0xc4597ff0) <0>[ 89.142046] 7fa0: 0000000b 0000000b 00000001 b6e03000 0000000b 00000000 <0>[ 89.150494] 7fc0: 0000000b 0000000b b6f4ae00 00000004 00000001 00000000 00020000 bede0a64 <0>[ 89.158938] 7fe0: 00000004 bede0798 b6eb54cf b6e3b7e6 <0>[ 89.164260] Code: c4597e08 c1360e94 c1360c54 c4597e6c (e1a0c00d) <4>[ 89.170624] ---[ end trace 9a58a83fb7a00328 ]--- # Segmentation fault # [ 88.642941] lkdtm: Performing direct entry EXEC_STACK # [ 88.651066] lkdtm: attempting ok execution at c0c36fb0 # [ 88.659291] lkdtm: attempting bad execution at c4597e0c # [ 88.667650] 8<--- cut here --- # [ 88.673773] Unable to handle kernel paging request at virtual address c4597e0c # [ 88.683165] pgd = 4599fcf8 # [ 88.688039] [c4597e0c] *pgd=1441141e(bad) # [ 88.694742] Internal error: Oops: 8000000d [#4] SMP ARM # [ 88.702308] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan dw_hdmi_imx dw_hdmi can_dev etnaviv parallel_display imxdrm gpu_sched imx_ipu_v3 # [ 88.734272] CPU: 3 PID: 1777 Comm: cat Tainted: G D W 5.10.173-cip27 #1 # [ 88.744437] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 88.752963] PC is at 0xc4597e0c # [ 88.758450] LR is at execute_location+0xa4/0xb4 # [ 88.765490] pc : [] lr : [] psr: 600e0013 # [ 88.773839] sp : c4597de8 ip : c4597cf0 fp : c4597e04 # [ 88.781230] r10: 0000000b r9 : c1acd018 r8 : c15e8b44 # [ 88.788537] r7 : c4597f60 r6 : 00000001 r5 : c4597e0c r4 : c0c36fb0 # [ 88.797058] r3 : 9d55392a r2 : 9d55392a r1 : ef7c05e0 r0 : 0000002b # [ 88.805582] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 88.814885] Control: 10c5387d Table: 16a6404a DAC: 00000051 # [ 88.822626] Process cat (pid: 1777, stack limit = 0xb495beff) # [ 88.830628] Stack: (0xc4597de8 to 0xc4598000) # [ 88.837157] 7de0: c4596000 c4452000 0000000b c4597f60 c4597e64 c4597e08 # [ 88.847761] 7e00: c1360e94 c1360c54 c4597e6c e1a0c00d e92dd800 e24cb004 e52de004 e8bd4000 # [ 88.858193] 7e20: e89da800 e1a0c00d e92dd830 e24cb004 e52de004 e8bd4000 e30d3374 e34c31b7 # [ 88.868797] 7e40: e3a02040 e3a01d33 e5930018 9d55392a 0000000b 00000020 c4597e74 c4597e68 # [ 88.879229] 7e60: c0c36240 c1360e68 c4597e9c c4597e78 c0c36740 c0c36220 c0c36620 c4345b80 # [ 88.889660] 7e80: b6e03000 0000000b c53183c0 c4597f60 c4597ec4 c4597ea0 c07e0a5c c0c3662c # [ 88.900092] 7ea0: 00000000 c4345b80 b6e03000 c2815800 c4597f60 c07e09f8 c4597f5c c4597ec8 # [ 88.910523] 7ec0: c0597f58 c07e0a04 00000001 00000000 c0598504 c1375478 c0598504 c4596000 # [ 88.921041] 7ee0: b6e03000 00020000 00000004 0000000b 0001fff5 c4597ee0 00000001 b6e02000 # [ 88.931472] 7f00: c6b59180 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 88.941905] 7f20: 00000000 00000000 c1375478 9d55392a c205dcc0 c4345b80 c4345b80 c4596000 # [ 88.952422] 7f40: b6e03000 00000000 00000000 00000004 c4597f94 c4597f60 c0598504 c0597e58 # [ 88.962853] 7f60: 00000000 00000000 c4597fac 9d55392a 0000000b 0000000b b6f4ae00 00000004 # [ 88.973284] 7f80: c03002e4 c4596000 c4597fa4 c4597f98 c0598594 c059849c 00000000 c4597fa8 # [ 88.983717] 7fa0: c03000c0 c0598588 0000000b 0000000b 00000001 b6e03000 0000000b 00000000 # [ 88.994235] 7fc0: 0000000b 0000000b b6f4ae00 00000004 00000001 00000000 00020000 bede0a64 # [ 89.004666] 7fe0: 00000004 bede0798 b6eb54cf b6e3b7e6 800e0030 00000001 00000000 00000000 # [ 89.015090] Backtrace: # [ 89.019718] [] (execute_location) from [] (lkdtm_EXEC_STACK+0x38/0x54) # [ 89.030577] r7:c4597f60 r6:0000000b r5:c4452000 r4:c4596000 # [ 89.038584] [] (lkdtm_EXEC_STACK) from [] (lkdtm_do_action+0x2c/0x4c) # [ 89.049353] r4:00000020 # [ 89.053887] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 89.062850] [] (direct_entry) from [] (full_proxy_write+0x64/0x94<6>[ 89.627637] lkdtm: Performing direct entry EXEC_KMALLOC ) # [ 89.071036] r9:c4597f60 <6>[ 89.635676] lkdtm: attempting ok execution at c0c36fb0 r8:c53183c0 r7:0000000b r6:b6e030<6>[ 89.643899] lkdtm: attempting bad execution at c470c700 00 r5:c4345b80 r4:c06[6 2 0 89.652192] 8<--- cut here --- # [ 89.0<719>0[5 5 ] 8[9<.c607758] Unable to handle kernel paging request at virtual address c470c700 7e09f8>] (fl[_ p r o8x9y._6w7063] pgd = 205f7c24 rite) from [] (v_[ 89.671850] [c470c700] *pgd=1461141e(bad) rite+0x10c/0x53c<)0 > [# [ 8 9.678640] Internal error: Oops: 8000000d [#5] SMP ARM 89.087154] r9:c07e09f8 r8:c4597f<4>[ 89.686204] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan dw_hdmi_imx dw_hdmi can_dev etnaviv parallel_display imxdrm gpu_sched imx_ipu_v3 60 r7:c2815800 r6:b63[0 0 0 89.718168] CPU: 2 PID: 1856 Comm: cat Tainted: G D W 5.10.173-cip27 #1 r5:c4345b80< 4r>4[: 0 0 08090.0708421] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 0 # [ 89.095169<]4 >[[< c 0 589.737033] PC is at 0xc470c700 7e4c>] (vfs_write) fr [[ < c89.742605] LR is at execute_location+0xa4/0xb4 0598504>] <(4k>[s y s _8w9r.i7t4e643] pc : [] lr : [] psr: 600e0013 +0x74/0xec<)4 > [# [ 8 9 .87957904] sp : c400be30 ip : 00000027 fp : c400be4c 102572] 0[: 0 0 08090.07064210] r10: 0000000d r9 : c1acd024 r8 : c15e8b44 r9:0000000<04> [r 8 : 08090.07072429] r7 : c400bf60 r6 : 00000001 r5 : c470c700 r4 : c0c36fb0 00 r7:b6e03<040>0[ r 6 :8c94.5791037] r3 : 717e60f1 r2 : 717e60f1 r1 : ef7ab5e4 r0 : 0000002b 6000 r5:c43450[ # 8[9 . 89646] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none 89.110665] :[c 4 3 4859b.898949] Control: 10c5387d Table: 168c404a DAC: 00000051 0 # [ 89.<101>3[4 7 0 8]9 .[8<6861] Process cat (pid: 1856, stack limit = 0x88ebccf6) c0598490>]< 0(>k[s y s _8w9r.i8t14688] Stack: (0xc400be30 to 0xc400c000) ) from []< 0(>s[y s _ w9.821131] be20: c470c700 c458a000 0000000d c400bf60 rite+0x18/0x1c) < 0#> [[ 889.831734] be40: c400be64 c400be50 c0c37000 c1360c54 00000021 c458a000 c400be74 c400be68 .120875] r<90:>c[4 5 9 68090.08 2250] be60: c0c36240 c0c36fd4 c400be9c c400be78 c0c36740 c0c36220 c0c36620 c6b59040 r8:c03002e4 r7:00<000>0[0 0 4 8r.852512] be80: b6e69000 0000000d c53183c0 c400bf60 c400bec4 c400bea0 c07e0a5c c0c3662c 6:b6f4ae00 r5<:00>0[0 0 0 0809b. 63030] bea0: 00000000 c6b59040 b6e69000 c2815800 c400bf60 c07e09f8 c400bf5c c400bec8 r4:0000000b # <[0 > [ 8 9 .8192873376] bec0: c0597f58 c07e0a04 00000001 00000000 c0598504 c1375478 c0598504 c400a000 8892] [>][ ( s y8s9_883806] bee0: b6e69000 00020000 00000004 0000000d 0001fff3 c400bee0 00000001 b6e68000 write) from [0[0 0 c 08>9]894237] bf00: c68a28c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 (ret_fast_sysca+[0 x 0 /809.904669] bf20: 00000000 00000000 c1375478 717e60f1 c205dcc0 c6b59040 c6b59040 c400a000 28) # [ 89.13<607>2[6 ] E8x9.915187] bf40: b6e69000 00000000 00000000 00000004 c400bf94 c400bf60 c0598504 c0597e58 eption stack(0xc4<509>7[f a 8 8t.925705] bf60: 00000000 00000000 c400bfac 717e60f1 0000000d 0000000d b6fb0e00 00000004 o 0xc4597ff0) # <[0 > [ 8 9 .81.936222] bf80: c03002e4 c400a000 c400bfa4 c400bf98 c0598594 c059849c 00000000 c400bfa8 42046] 7fa0: < 0 > [ 8 9 946739] bfa0: c03000c0 c0598588 0000000d 0000000d 00000001 b6e69000 0000000d 00000000 00000<000>b[ 0 0 08090.0957169] bfc0: 0000000d 0000000d b6fb0e00 00000004 00000001 00000000 00020000 bed41a64 b 00000001 b6e0<300>0[0 0 08090967514] bfe0: 00000004 bed41798 b6f1b4cf b6ea17e6 800e0030 00000001 00000000 00000000 000b 00000000 < 0#> [[ 8899.977939] Backtrace: 150494] 7fc0: 0000000b 0000000b <0>[ 89.982657] [] (execute_location) from [] (lkdtm_EXEC_KMALLOC+0x38/0x44) 6f4ae00 00000004 0<000>0[0 0 0 189.994122] r7:c400bf60 r6:0000000d r5:c458a000 r4:c470c700 00000000 00020000 be0[a 6 4 90.002210] [] (lkdtm_EXEC_KMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) # [ 89.1<508>9[3 8 ] 970f.e003069] r5:c458a000 r4:00000021 : 00000004 bede0798 [e b 5 40.018731] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) cf b6e3b7e6 # [ 89.164260]< 0C[ 90.029167] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) ode: c4597e08 c1<306>0[e 9 4 9c0.039937] r9:c400bf60 r8:c53183c0 r7:0000000d r6:b6e69000 r5:c6b59040 r4:c0c36620 360c54 c4597e6c (e1a0c00d) <#0 [ 90.050030] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) [ 89.170624] <-0->-[[ e n9d0 060712] r9:c07e09f8 r8:c400bf60 r7:c2815800 r6:b6e69000 r5:c6b59040 r4:00000000 trace 9a58a83fb7a00<302>8[ ] - -0.070710] [] (vfs_write) from [] (ksys_write+0x74/0xec) - # EXEC_STACK:< 0m>i[s s i n9g0.080271] r10:00000004 r9:00000000 r8:00000000 r7:b6e69000 r6:c400a000 r5:c6b59040 'call tre[: ' : 9[0F.A0I9L0437] r4:c6b59040 not ok 31 selftes:[ l k d0.094972] [] (ksys_write) from [] (sys_write+0x18/0x1c) tm: EXEC_STACK. [# e x9i0t104533] r9:c400a000 r8:c03002e4 r7:00000004 r6:b6fb0e00 r5:0000000d r4:0000000d =1 # selftests: lkd:[ E X 90.114533] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) C_KMALLOs[h 90.124611] Exception stack(0xc400bfa8 to 0xc400bff0) <0>[ 90.131142] bfa0: 0000000d 0000000d 00000001 b6e69000 0000000d 00000000 <0>[ 90.139590] bfc0: 0000000d 0000000d b6fb0e00 00000004 00000001 00000000 00020000 bed41a64 <0>[ 90.148035] bfe0: 00000004 bed41798 b6f1b4cf b6ea17e6 <0>[ 90.153358] Code: 00160017 00000000 00000000 00000000 (e1a0c00d) <4>[ 90.159722] ---[ end trace 9a58a83fb7a00329 ]--- # Segmentation fault # [ 89.627637] lkdtm: Performing direct entry EXEC_KMALLOC # [ 89.635676] lkdtm: attempting ok execution at c0c36fb0 # [ 89.643899] lkdtm: attempting bad execution at c470c700 # [ 89.652192] 8<--- cut here --- # [ 89.657758] Unable to handle kernel paging request at virtual address c470c700 # [ 89.667063] pgd = 205f7c24 # [ 89.671850] [c470c700] *pgd=1461141e(bad) # [ 89.678640] Internal error: Oops: 8000000d [#5] SMP ARM # [ 89.686204] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan dw_hdmi_imx dw_hdmi can_dev etnaviv parallel_display imxdrm gpu_sched imx_ipu_v3 # [ 89.718168] CPU: 2 PID: 1856 Comm: cat Tainted: G D W 5.10.173-cip27 #1 # [ 89.728421] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 89.737033] PC is at 0xc470c700 # [ 89.742605] LR is at execute_location+0xa4/0xb4 # [ 89.749643] pc : [] lr : [] psr: 600e0013 # [ 89.757904] sp : c400be30 ip : 00000027 fp : c400be4c # [ 89.765210] r10: 0000000d r9 : c1acd024 r8 : c15e8b44 # [ 89.772429] r7 : c400bf60 r6 : 00000001 r5 : c470c700 r4 : c0c36fb0 # [ 89.781037] r3 : 717e60f1 r2 : 717e60f1 r1 : ef7ab5e4 r0 : 0000002b # [ 89.789646] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 89.798949] Control: 10c5387d Table: 168c404a DAC: 00000051 # [ 89.806861] Process cat (pid: 1856, stack limit = 0x88ebccf6) # [ 89.814688] Stack: (0xc400be30 to 0xc400c000) # [ 89.821131] be20: c470c700 c458a000 0000000d c400bf60 # [ 89.831734] be40: c400be64 c400be50 c0c37000 c1360c54 00000021 c458a000 c400be74 c400be68 # [ 89.842250] be60: c0c36240 c0c36fd4 c400be9c c400be78 c0c36740 c0c36220 c0c36620 c6b59040 # [ 89.852512] be80: b6e69000 0000000d c53183c0 c400bf60 c400bec4 c400bea0 c07e0a5c c0c3662c # [ 89.863030] bea0: 00000000 c6b59040 b6e69000 c2815800 c400bf60 c07e09f8 c400bf5c c400bec8 # [ 89.873376] bec0: c0597f58 c07e0a04 00000001 00000000 c0598504 c1375478 c0598504 c400a000 # [ 89.883806] bee0: b6e69000 00020000 00000004 0000000d 0001fff3 c400bee0 00000001 b6e68000 # [ 89.894237] bf00: c68a28c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 89.904669] bf20: 00000000 00000000 c1375478 717e60f1 c205dcc0 c6b59040 c6b59040 c400a000 # [ 89.915187] bf40: b6e69000 00000000 00000000 00000004 c400bf94 c400bf60 c0598504 c0597e58 # [ 89.925705] bf60: 00000000 00000000 c400bfac 717e60f1 0000000d 0000000d b6fb0e00 00000004 # [ 89.936222] bf80: c03002e4 c400a000 c400bfa4 c400bf98 c0598594 c059849c 00000000 c400bfa8 # [ 89.946739] bfa0: c03000c0 c0598588 0000000d 0000000d 00000001 b6e69000 0000000d 00000000 # [ 89.957169] bfc0: 0000000d 0000000d b6fb0e00 00000004 00000001 00000000 00020000 bed41a64 # [ 89.967514] bfe0: 00000004 bed41798 b6f1b4cf b6ea17e6 800e0030 00000001 00000000 00000000 # [ 89.977939] Backtrace: # [ 89.982657] [] (execute_location) from [] (lkdtm_EXEC_KMALLOC+0x38/0x44) # [ 89.994122] r7:c400bf60 r6:0000000d r5:c458a000 r4:c470c700 # [ 90.002210] [] (lkdtm_EXEC_KMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) # [ 90.013069] r5:c458a000 r4:00000021 # [ 90.018731] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 90.029167] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 90.039937] r9:c400bf60 r8:c53183c0 r7:0000000d r6:b6e69000 r5:c6b59040 r4:c0c36620 <6>[ 90.567191] lkdtm: Performing direct entry EXEC_VMALLOC # [ 90.050030] [] (f<6>[ 90.573775] lkdtm: attempting ok execution at c0c36fb0 ull_proxy_write) from [<6>[ 90.581729] lkdtm: attempting bad execution at f0972000 ] (vfs_write+0x10c/0x53c) # [ <1>[ 90.590131] 8<--- cut here --- 90.060712] r9:c07e09f8 r8:c400bf<1>[ 90.596456] Unable to handle kernel paging request at virtual address f0972000 60 r7:c2815800 r6:b6e69000 r5:c6b<1>[ 90.606664] pgd = 7119f62f 59040 r4:00000000 # [ 90.07071<1>[ 90.612418] [f0972000] *pgd=12949811, *pte=494b765f, *ppte=494b745f 0] [] (vfs_write) from <0>[ 90.621858] Internal error: Oops: 8000000f [#6] SMP ARM [] (ksys_write+0x74/0xe<4>[ 90.630160] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan dw_hdmi_imx dw_hdmi can_dev etnaviv parallel_display imxdrm gpu_sched imx_ipu_v3 c) # [ 90.080271]< 4 >r[1 0 : 90.662125] CPU: 2 PID: 1933 Comm: cat Tainted: G D W 5.10.173-cip27 #1 0000004 r9:<040>0[0 0 0 0900 .r682377] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) :00000000 r7:b6e690<040> [r 6 : c0.680992] PC is at 0xf0972000 400a000 r5:c6b59040 #< 4>[[ 90.686564] LR is at execute_location+0xa4/0xb4 90.090437] :[c 6 b 59900.4693602] pc : [] lr : [] psr: 600e0013 # [ 90.0<944>9[7 2 ] 9[0<.c702037] sp : c6d77e30 ip : c6d77d38 fp : c6d77e4c 598490>] <(4k>s[y s _9w0r.i7t0e9427] r10: 0000000d r9 : c1acd034 r8 : c15e8b44 from [8[5 9 4 >9]0 .(7s16648] r7 : c6d77f60 r6 : 00000001 r5 : f0972000 r4 : c0c36fb0 s_write<+40>x[1 8 / 09x01.c7)2 5 56] r3 : 7d2bfd70 r2 : 7d2bfd70 r1 : ef7ab5e0 r0 : 0000002b # [ 90.104533<]4 > [r 9 : c9400733694] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none 0a000 r8:c03<040>2[e 4 r970:.0743083] Control: 10c5387d Table: 142cc04a DAC: 00000051 000004 r6:b6fb0e0<00 >r[5 : 0 090.750997] Process cat (pid: 1933, stack limit = 0x4b99f9c8) 0000d r4:0<000>0[0 0 0 d9 0 .#7 59082] Stack: (0xc6d77e30 to 0xc6d78000) 90.114533] [5[9 8 5 79c0.765524] 7e20: f0972000 c6c3f000 0000000d c6d77f60 ] (sys_write) fr [[ < c 0930.776042] 7e40: c6d77e64 c6d77e50 c0c37034 c1360c54 00000022 c6c3f000 c6d77e74 c6d77e68 00c0>] (ret_fast<_0s>y[s c a l9l0.786559] 7e60: c0c36240 c0c37018 c6d77e9c c6d77e78 c0c36740 c0c36220 c0c36620 c6895180 0x0/0x28) # [ < 0 >9[0 . 1 29406797077] 7e80: b6eb4000 0000000d c53183c0 c6d77f60 c6d77ec4 c6d77ea0 c07e0a5c c0c3662c 11] Exception stk[( 0 x c940.807508] 7ea0: 00000000 c6895180 b6eb4000 c2815800 c6d77f60 c07e09f8 c6d77f5c c6d77ec8 0bfa8 to 0xc400bff<00)> [ # 9[.818028] 7ec0: c0597f58 c07e0a04 00000001 00000000 c0598504 c1375478 c0598504 c6d76000 90.131142] bf:[ 9 0.828544] 7ee0: b6eb4000 00020000 00000004 0000000d 0001fff3 c6d77ee0 00000001 b6eb3000 0<000>0[0 0 0 d9 00.839061] 7f00: c6a41540 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000d 00000001< 0b>6[e 6 9 09000849494] 7f20: 00000000 00000000 c1375478 7d2bfd70 c205dcc0 c6895180 c6895180 c6d76000 0000000d 0000000<00 > [# [ 9 .859924] 7f40: b6eb4000 00000000 00000000 00000004 c6d77f94 c6d77f60 c0598504 c0597e58 90.139590] bf:[ 0 0 09000.870441] 7f60: 00000000 00000000 c6d77fac 7d2bfd70 0000000d 0000000d b6ffbe00 00000004 0d 0000000d b60[e 0 0 9000.880875] 7f80: c03002e4 c6d76000 c6d77fa4 c6d77f98 c0598594 c059849c 00000000 c6d77fa8 00004 00000001< 00>0[0 0 0 09000.891306] 7fa0: c03000c0 c0598588 0000000d 0000000d 00000001 b6eb4000 0000000d 00000000 00020000 bed41a<604> [ # [9 0 901737] 7fc0: 0000000d 0000000d b6ffbe00 00000004 00000001 00000000 00020000 beb00a64 90.148035] bfe<00:> [0 0 0 09000912168] 7fe0: 00000004 beb00798 b6f664cf b6eec7e6 800e0030 00000001 00000000 00000000 04 bed41798 b6b[4 c f 9b06.922594] Backtrace: a17e6 # [ 90.153358] Code: 0<0>[ 90.927312] [] (execute_location) from [] (lkdtm_EXEC_VMALLOC+0x28/0x34) 160017 00000000 0<000>0[0 0 0 09 .938689] r7:c6d77f60 r6:0000000d r5:c6c3f000 r4:f0972000 00000000 (e1a0c00d) # <[0 > [ 90.946693] [] (lkdtm_EXEC_VMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) 0.159722] --<-0[> [e n d 9t0r.a957724] r5:c6c3f000 r4:00000022 e 9a58a83fb7a0032<90 >][- - - 9 .963471] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # EXEC_KMALLOC: missing 'call< 0t[ 90.973823] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) race:': [FAIL] t[ o k 930.984593] r9:c6d77f60 r8:c53183c0 r7:0000000d r6:b6eb4000 r5:c6895180 r4:c0c36620 selftests: lkdtm: EXEC_KMALL] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) .sh # exit=1 # sf[t e s t9s.005370] r9:c07e09f8 r8:c6d77f60 r7:c2815800 r6:b6eb4000 r5:c6895180 r4:00000000 : lkdtm: EXEC_VMALLO<0C>.[s h 1.015454] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 91.025015] r10:00000004 r9:00000000 r8:00000000 r7:b6eb4000 r6:c6d76000 r5:c6895180 <0>[ 91.033109] r4:c6895180 <0>[ 91.035912] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 91.043316] r9:c6d76000 r8:c03002e4 r7:00000004 r6:b6ffbe00 r5:0000000d r4:0000000d <0>[ 91.051332] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 91.059167] Exception stack(0xc6d77fa8 to 0xc6d77ff0) <0>[ 91.064486] 7fa0: 0000000d 0000000d 00000001 b6eb4000 0000000d 00000000 <0>[ 91.072932] 7fc0: 0000000d 0000000d b6ffbe00 00000004 00000001 00000000 00020000 beb00a64 <0>[ 91.081375] 7fe0: 00000004 beb00798 b6f664cf b6eec7e6 <0>[ 91.086700] Code: bad PC value <4>[ 91.090117] ---[ end trace 9a58a83fb7a0032a ]--- # Segmentation fault # [ 90.567191] lkdtm: Performing direct entry EXEC_VMALLOC # [ 90.573775] lkdtm: attempting ok execution at c0c36fb0 # [ 90.581729] lkdtm: attempting bad execution at f0972000 # [ 90.590131] 8<--- cut here --- # [ 90.596456] Unable to handle kernel paging request at virtual address f0972000 # [ 90.606664] pgd = 7119f62f # [ 90.612418] [f0972000] *pgd=12949811, *pte=494b765f, *ppte=494b745f # [ 90.621858] Internal error: Oops: 8000000f [#6] SMP ARM # [ 90.630160] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan dw_hdmi_imx dw_hdmi can_dev etnaviv parallel_display imxdrm gpu_sched imx_ipu_v3 # [ 90.662125] CPU: 2 PID: 1933 Comm: cat Tainted: G D W 5.10.173-cip27 #1 # [ 90.672377] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 90.680992] PC is at 0xf0972000 # [ 90.686564] LR is at execute_location+0xa4/0xb4 # [ 90.693602] pc : [] lr : [] psr: 600e0013 # [ 90.702037] sp : c6d77e30 ip : c6d77d38 fp : c6d77e4c # [ 90.709427] r10: 0000000d r9 : c1acd034 r8 : c15e8b44 # [ 90.716648] r7 : c6d77f60 r6 : 00000001 r5 : f0972000 r4 : c0c36fb0 # [ 90.725256] r3 : 7d2bfd70 r2 : 7d2bfd70 r1 : ef7ab5e0 r0 : 0000002b # [ 90.733694] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 90.743083] Control: 10c5387d Table: 142cc04a DAC: 00000051 # [ 90.750997] Process cat (pid: 1933, stack limit = 0x4b99f9c8) # [ 90.759082] Stack: (0xc6d77e30 to 0xc6d78000) # [ 90.765524] 7e20: f0972000 c6c3f000 0000000d c6d77f60 # [ 90.776042] 7e40: c6d77e64 c6d77e50 c0c37034 c1360c54 00000022 c6c3f000 c6d77e74 c6d77e68 # [ 90.786559] 7e60: c0c36240 c0c37018 c6d77e9c c6d77e78 c0c36740 c0c36220 c0c36620 c6895180 # [ 90.797077] 7e80: b6eb4000 0000000d c53183c0 c6d77f60 c6d77ec4 c6d77ea0 c07e0a5c c0c3662c # [ 90.807508] 7ea0: 00000000 c6895180 b6eb4000 c2815800 c6d77f60 c07e09f8 c6d77f5c c6d77ec8 # [ 90.818028] 7ec0: c0597f58 c07e0a04 00000001 00000000 c0598504 c1375478 c0598504 c6d76000 # [ 90.828544] 7ee0: b6eb4000 00020000 00000004 0000000d 0001fff3 c6d77ee0 00000001 b6eb3000 # [ 90.839061] 7f00: c6a41540 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 90.849494] 7f20: 00000000 00000000 c1375478 7d2bfd70 c205dcc0 c6895180 c6895180 c6d76000 # [ 90.859924] 7f40: b6eb4000 00000000 00000000 00000004 c6d77f94 c6d77f60 c0598504 c0597e58 # [ 90.870441] 7f60: 00000000 00000000 c6d77fac 7d2bfd70 0000000d 0000000d b6ffbe00 00000004 # [ 90.880875] 7f80: c03002e4 c6d76000 c6d77fa4 c6d77f98 c0598594 c059849c 00000000 c6d77fa8 # [ 90.891306] 7fa0: c03000c0 c0598588 0000000d 0000000d 00000001 b6eb4000 0000000d 00000000 # [ 90.901737] 7fc0: 0000000d 0000000d b6ffbe00 00000004 00000001 00000000 00020000 beb00a64 # [ 90.912168] 7fe0: 00000004 beb00798 b6f664cf b6eec7e6 800e0030 00000001 00000000 00000000 # [ 90.922594] Backtrace: # [ 90.927312] [] (execute_location) from [] (lkdtm_EXEC_VMALLOC+0x28/0x34) # [ 90.938689] r7:c6d77f60 r6:0000000d r5:c6c3f000 r4:f0972000 # [ 90.946693] [] (lkdtm_EXEC_VMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) # [ 90.957724] r5:c6c3f000 r4:00000022 # [ 90.963471] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 90.973823] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 90.984593] r9:c6d77f60 r8:c53183c0 r7:0000000d r6:b6eb4000 r5:c6895180 r4:c0c36620 # [ 90.994685] [<6>[ 91.511309] lkdtm: Performing direct entry EXEC_RODATA ] (full_proxy_write) from [[ 91.517186] lkdtm: attempting ok execution at c0c36fb0 f58>] (vfs_write+0x10c/0x53c) # <6>[ 91.525482] lkdtm: attempting bad execution at c15e8de0 [ 91.005370] r9:c07e09f8 r8:c6<1>[ 91.533781] 8<--- cut here --- d77f60 r7:c2<811>5[8 0 0 9r16.:539897] Unable to handle kernel paging request at virtual address c15e8de0 6eb4000 r5:c<618>9[5 1 8 09 1r.4549290] pgd = b4bbf03c 00000000 # [ 91.01545<41]> [[ 91.554163] [c15e8de0] *pgd=1141941e(bad) c0597e4c>] (vfs_i[t e )9 1f560867] Internal error: Oops: 8000000d [#7] SMP ARM rom [] (ksys_write+0x74<4>[ 91.568344] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan dw_hdmi_imx dw_hdmi can_dev etnaviv parallel_display imxdrm gpu_sched imx_ipu_v3 /0xec) # [ 91.02<540>1[5 ] 1.600306] CPU: 2 PID: 2010 Comm: cat Tainted: G D W 5.10.173-cip27 #1 r10:00<040>0[0 0 4 9r19.:601000471] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 0000 r8:00000000 r7:b6eb4000< 4r>[ 91.618919] PC is at lkdtm_rodata_do_nothing+0x0/0x10 :c6d76000 r5:c6895<148>0[ # 91.626828] LR is at execute_location+0xa4/0xb4 91.033109<]4 > [r 4 : c9618.693781] pc : [] lr : [] psr: 600e0013 5180 # [< 4 > [9 1 . 09315.96142127] sp : c4597e38 ip : c4597d40 fp : c4597e54 ] [9[0 > ] 9(1k.s6y4s9346] r10: 0000000c r9 : c1acd044 r8 : c15e8b44 write) from< 4[><[c 0 5 99815.9656567] r7 : c4597f60 r6 : 00000000 r5 : c15e8de0 r4 : c0c36fb0 >] (sys_wt[e + 0 x9118./606x174] r3 : 4131cbd0 r2 : 4131cbd0 r1 : ef7ab5e0 r0 : 0000002b 1c) # [ 91<.40>4[3 3 1 69]1 . 73698] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none r9:c6d76000 r8<:4c>0[3 0 0921e.483001] Control: 10c5387d Table: 16f3404a DAC: 00000051 r7:00000004< 0r>6[: b 6 f9f1b.e690913] Process cat (pid: 2010, stack limit = 0xb495beff) 0 r5:000000<00d> [r 4 : 09010.0608826] Stack: (0xc4597e38 to 0xc4598000) 00d # [ 91.<005>1[3 3 2 ]9 1[.705267] 7e20: 00000023 c6c3f000 c059857c>] (sys_wt[e ) f9r.715700] 7e40: 0000000c c4597f60 c4597e64 c4597e58 c1360ed4 c1360c54 c4597e74 c4597e68 om []< 0(>r[e t _ f9a1s726218] 7e60: c0c36240 c1360ebc c4597e9c c4597e78 c0c36740 c0c36220 c0c36620 c6b59040 t_syscall+0x0/08[) #9 1[736649] 7e80: b6e19000 0000000c c53183c0 c4597f60 c4597ec4 c4597ea0 c07e0a5c c0c3662c 91.059167] Exp[t i o n9 1.747081] 7ea0: 00000000 c6b59040 b6e19000 c2815800 c4597f60 c07e09f8 c4597f5c c4597ec8 tack(0xc6d77fa8 [0 x c 69d1.757599] 7ec0: c0597f58 c07e0a04 00000001 00000000 c0598504 c1375478 c0598504 c4596000 7ff0) # [ 91.<006>4[4 8 6 ]9 1.768115] 7ee0: b6e19000 00020000 00000004 0000000c 0001fff4 c4597ee0 00000001 b6e18000 fa0: < 0 > [ 9 1 . 78633] 7f00: c4345040 00000000 00000000 00000000 00000000 00000000 00000000 00000000 0000000d 00000<000>d[ 0 0 09010.788979] 7f20: 00000000 00000000 c1375478 4131cbd0 c205dcc0 c6b59040 c6b59040 c4596000 01 b6eb4000 000<000>0[0 d 09010799410] 7f40: b6e19000 00000000 00000000 00000004 c4597f94 c4597f60 c0598504 c0597e58 00000 # [ 91.<007>2[9 3 2 ]9 1.809843] 7f60: 00000000 00000000 c4597fac 4131cbd0 0000000c 0000000c b6f60e00 00000004 fc0: 0000000d 000<000>0[0 d b96.820361] 7f80: c03002e4 c4596000 c4597fa4 c4597f98 c0598594 c059849c 00000000 c4597fa8 ffbe00 00000004< 00>0[0 0 0 09011830877] 7fa0: c03000c0 c0598588 0000000c 0000000c 00000001 b6e19000 0000000c 00000000 00000000 0002000<00 >b[e b 0 09a.841310] 7fc0: 0000000c 0000000c b6f60e00 00000004 00000001 00000000 00020000 bef45a64 64 # [ 91.0<801>3[7 5 ] 971f.851827] 7fe0: 00000004 bef45798 b6ecb4cf b6e517e6 800e0030 00000001 00000000 00000000 0: 00000004 beb0<007>9[8 b 69f1.862252] Backtrace: 64cf b6eec7e6 # [ < 0 >9[1 . 0 81.867058] [] (execute_location) from [] (lkdtm_EXEC_RODATA+0x24/0x28) 6700] Code: bad Pv[a l u e9 .877837] r7:c4597f60 r6:0000000c r5:c6c3f000 r4:00000023 # [ 91.090117] ---[ end t[ 91.885845] [] (lkdtm_EXEC_RODATA) from [] (lkdtm_do_action+0x2c/0x4c) e 9a58a83fb7a0032a ]-<-0-> [ # 91.896966] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) EXEC_VMALLOC: missing 'call t] (direct_entry) from [] (full_proxy_write+0x64/0x94) ce:': [FAIL] not [3 3 s91.918261] r9:c4597f60 r8:c53183c0 r7:0000000c r6:b6e19000 r5:c6b59040 r4:c0c36620 lftests: lkdtm: EXEC_VMALLOC.s[ 91.928438] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # exit=1 # sele[s t s :9 1l939207] r9:c07e09f8 r8:c4597f60 r7:c2815800 r6:b6e19000 r5:c6b59040 r4:00000000 kdtm: EXEC_RODATA.sh <0>[ 91.949209] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 91.958506] r10:00000004 r9:00000000 r8:00000000 r7:b6e19000 r6:c4596000 r5:c6b59040 <0>[ 91.966602] r4:c6b59040 <0>[ 91.969406] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 91.976810] r9:c4596000 r8:c03002e4 r7:00000004 r6:b6f60e00 r5:0000000c r4:0000000c <0>[ 91.984827] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 91.992661] Exception stack(0xc4597fa8 to 0xc4597ff0) <0>[ 91.997982] 7fa0: 0000000c 0000000c 00000001 b6e19000 0000000c 00000000 <0>[ 92.006426] 7fc0: 0000000c 0000000c b6f60e00 00000004 00000001 00000000 00020000 bef45a64 <0>[ 92.014870] 7fe0: 00000004 bef45798 b6ecb4cf b6e517e6 <0>[ 92.020193] Code: 5f727563 6e756f63 00000074 aa55aa55 (e1a0c00d) <4>[ 92.026557] ---[ end trace 9a58a83fb7a0032b ]--- # Segmentation fault # [ 91.511309] lkdtm: Performing direct entry EXEC_RODATA # [ 91.517186] lkdtm: attempting ok execution at c0c36fb0 # [ 91.525482] lkdtm: attempting bad execution at c15e8de0 # [ 91.533781] 8<--- cut here --- # [ 91.539897] Unable to handle kernel paging request at virtual address c15e8de0 # [ 91.549290] pgd = b4bbf03c # [ 91.554163] [c15e8de0] *pgd=1141941e(bad) # [ 91.560867] Internal error: Oops: 8000000d [#7] SMP ARM # [ 91.568344] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan dw_hdmi_imx dw_hdmi can_dev etnaviv parallel_display imxdrm gpu_sched imx_ipu_v3 # [ 91.600306] CPU: 2 PID: 2010 Comm: cat Tainted: G D W 5.10.173-cip27 #1 # [ 91.610471] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 91.618919] PC is at lkdtm_rodata_do_nothing+0x0/0x10 # [ 91.626828] LR is at execute_location+0xa4/0xb4 # [ 91.633781] pc : [] lr : [] psr: 600e0013 # [ 91.642127] sp : c4597e38 ip : c4597d40 fp : c4597e54 # [ 91.649346] r10: 0000000c r9 : c1acd044 r8 : c15e8b44 # [ 91.656567] r7 : c4597f60 r6 : 00000000 r5 : c15e8de0 r4 : c0c36fb0 # [ 91.665174] r3 : 4131cbd0 r2 : 4131cbd0 r1 : ef7ab5e0 r0 : 0000002b # [ 91.673698] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 91.683001] Control: 10c5387d Table: 16f3404a DAC: 00000051 # [ 91.690913] Process cat (pid: 2010, stack limit = 0xb495beff) # [ 91.698826] Stack: (0xc4597e38 to 0xc4598000) # [ 91.705267] 7e20: 00000023 c6c3f000 # [ 91.715700] 7e40: 0000000c c4597f60 c4597e64 c4597e58 c1360ed4 c1360c54 c4597e74 c4597e68 # [ 91.726218] 7e60: c0c36240 c1360ebc c4597e9c c4597e78 c0c36740 c0c36220 c0c36620 c6b59040 # [ 91.736649] 7e80: b6e19000 0000000c c53183c0 c4597f60 c4597ec4 c4597ea0 c07e0a5c c0c3662c # [ 91.747081] 7ea0: 00000000 c6b59040 b6e19000 c2815800 c4597f60 c07e09f8 c4597f5c c4597ec8 # [ 91.757599] 7ec0: c0597f58 c07e0a04 00000001 00000000 c0598504 c1375478 c0598504 c4596000 # [ 91.768115] 7ee0: b6e19000 00020000 00000004 0000000c 0001fff4 c4597ee0 00000001 b6e18000 # [ 91.778633] 7f00: c4345040 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 91.788979] 7f20: 00000000 00000000 c1375478 4131cbd0 c205dcc0 c6b59040 c6b59040 c4596000 # [ 91.799410] 7f40: b6e19000 00000000 00000000 00000004 c4597f94 c4597f60 c0598504 c0597e58 # [ 91.809843] 7f60: 00000000 00000000 c4597fac 4131cbd0 0000000c 0000000c b6f60e00 00000004 # [ 91.820361] 7f80: c03002e4 c4596000 c4597fa4 c4597f98 c0598594 c059849c 00000000 c4597fa8 # [ 91.830877] 7fa0: c03000c0 c0598588 0000000c 0000000c 00000001 b6e19000 0000000c 00000000 # [ 91.841310] 7fc0: 0000000c 0000000c b6f60e00 00000004 00000001 00000000 00020000 bef45a64 # [ 91.851827] 7fe0: 00000004 bef45798 b6ecb4cf b6e517e6 800e0030 00000001 00000000 00000000 # [ 91.862252] Backtrace: # [ 91.867058] [] (execute_location) from [] (lkdtm_EXEC_RODATA+0x24/0x28) # [ 91.877837] r7:c4597f60 r6:0000000c r5:c6c3f000 r4:00000023 # [ 91.885845] [] (lkdtm_EXEC_RODATA) from [] (lkdtm_do_action+0x2c/0x4c) # [ 91.896966] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 91.907489] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 91.918261] r9:c4597f60 r8:c53183c0 r7:0000000c r6:b6e19000 r5:c6b59040 r4:c0c36620 # [ 91.928438] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 91.939207] r9:c07e09f8 r8:c4597f60 r7:c2815800 r6:b6e19000 r5:c6b59040 r4:00000000 # [ 91.949209] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 91.958506] r10:00000004 r9:<6>[ 92.456278] lkdtm: Performing direct entry EXEC_USERSPACE 00000000 r8:00000000 r7:b6e19000 <6>[ 92.463379] lkdtm: attempting ok execution at c0c36fb0 r6:c4596000 r5:c6b59040 # [ 91<6>[ 92.471571] lkdtm: attempting bad execution at b6ff7000 .966602] r4:c6b59040 # [ 91.9<1>[ 92.479851] Unhandled prefetch abort: page domain fault (0x00b) at 0xb6ff7000 69406] [] (ksys_write) <0>[ 92.490071] Internal error: : b [#8] SMP ARM from [] (sys_write+0x18<4>[ 92.497464] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan dw_hdmi_imx dw_hdmi can_dev etnaviv parallel_display imxdrm gpu_sched imx_ipu_v3 /0x1c) # [ 91.976810] r9:c459<4>[ 92.529446] CPU: 1 PID: 2086 Comm: cat Tainted: G D W 5.10.173-cip27 #1 6000 r8:c03002e4 r<74:>0[0 0 0 90.540307] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 004 r6:b6f60e00 r5:0000000c< 4r>4 92.549192] PC is at 0xb6ff7000 :0000000c # [ 91.984827] [[ 92.555130] LR is at lkdtm_EXEC_USERSPACE+0xc4/0xd4 9857c>] (sys_write) fro[[< c 92.563123] pc : [] lr : [] psr: 600e0013 03000c0>] (ret_fast_sya[l l 92.571999] sp : c6b3de48 ip : c6b3dd50 fp : c6b3de64 0x0/0x28) # [ < 49>1[. 9 9 2962.579831] r10: 0000000f r9 : c1acd050 r8 : c15e8b44 1] Exception stac0[x c 4 599.587407] r7 : c6b3df60 r6 : 0000000f r5 : c6d0a000 r4 : b6ff7000 7fa8 to 0xc4597ff0<)4 > [# [9 .596285] r3 : 3237261d r2 : 3237261d r1 : ef7965e0 r0 : 0000002b 91.997982] 7fa0: < 4 > [ 92.605163] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none 0000000c 000<040>0[0 c 92.614994] Control: 10c5387d Table: 16f4c04a DAC: 00000051 0000001 b6e19000 0000000c< 00>0[0 92.623267] Process cat (pid: 2086, stack limit = 0xa49db08b) 00000 # [ 92.00642<60]> [7 f c92.631706] Stack: (0xc6b3de48 to 0xc6b3e000) 0: 0000000c 0000000c b6f60e00 000<0>[ 92.638596] de40: 00000001 00000000 0000000f 00000024 c6b3de74 c6b3de68 00004 00000001 00000000 00020000<0>[ 92.649900] de60: c0c36240 c0c3704c c6b3de9c c6b3de78 c0c36740 c0c36220 c0c36620 c4344500 bef45a64 # [ 92.014870] 7f[ 92.672166] dea0: 00000000 c4344500 b6eb1000 c2815800 c6b3df60 c07e09f8 c6b3df5c c6b3dec8 517e6 # [ 92.020193] Code<:0 >[ 92.683300] dec0: c0597f58 c07e0a04 00000001 00000000 c0598504 c1375478 c0598504 c6b3c000 f727563 6e756f63 00000074 aa55a[ 92.694347] dee0: b6eb1000 00020000 00000004 0000000f 0001fff1 c6b3dee0 00000001 b6eb0000 55 (e1a0c00d) # [ 92.0265<507[ 92.705480] df00: c6b85a40 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ] ---[ end trace 9a58a83fb7a003<2>[ 92.716528] df20: 00000000 00000000 c1375478 3237261d c205dcc0 c4344500 c4344500 c6b3c000 b ]--- # EXEC_RODATA: missing< 0>[ 92.727660] df40: b6eb1000 00000000 00000000 00000004 c6b3df94 c6b3df60 c0598504 c0597e58 call trace:': [FAIL] not ok 3<40>[ 92.738795] df60: 00000000 00000000 c6b3dfac 3237261d 0000000f 0000000f b6ff8e00 00000004 selftests: lkdtm: EXEC_RODATA.[ 92.749928] df80: c03002e4 c6b3c000 c6b3dfa4 c6b3df98 c0598594 c059849c 00000000 c6b3dfa8 # exit=1 # selftests: lkdtm:< 0>[ 92.761062] dfa0: c03000c0 c0598588 0000000f 0000000f 00000001 b6eb1000 0000000f 00000000 XEC_USERSPACE.sh <0>[ 92.772198] dfc0: 0000000f 0000000f b6ff8e00 00000004 00000001 00000000 00020000 beacaa64 <0>[ 92.782202] dfe0: 00000004 beaca798 b6f634cf b6ee97e6 800e0030 00000001 00000000 00000000 <0>[ 92.790658] Backtrace: <0>[ 92.793424] [] (lkdtm_EXEC_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 92.802233] r4:00000024 <0>[ 92.805064] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 92.813376] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 92.821586] r9:c6b3df60 r8:c53183c0 r7:0000000f r6:b6eb1000 r5:c4344500 r4:c0c36620 <0>[ 92.829635] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 92.837756] r9:c07e09f8 r8:c6b3df60 r7:c2815800 r6:b6eb1000 r5:c4344500 r4:00000000 <0>[ 92.845797] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 92.853223] r10:00000004 r9:00000000 r8:00000000 r7:b6eb1000 r6:c6b3c000 r5:c4344500 <0>[ 92.861333] r4:c4344500 <0>[ 92.864161] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 92.871587] r9:c6b3c000 r8:c03002e4 r7:00000004 r6:b6ff8e00 r5:0000000f r4:0000000f <0>[ 92.879631] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 92.887482] Exception stack(0xc6b3dfa8 to 0xc6b3dff0) <0>[ 92.892823] dfa0: 0000000f 0000000f 00000001 b6eb1000 0000000f 00000000 <0>[ 92.901292] dfc0: 0000000f 0000000f b6ff8e00 00000004 00000001 00000000 00020000 beacaa64 <0>[ 92.909756] dfe0: 00000004 beaca798 b6f634cf b6ee97e6 <0>[ 92.915105] Code: bad PC value <4>[ 92.918457] ---[ end trace 9a58a83fb7a0032c ]--- # Segmentation fault # [ 92.456278] lkdtm: Performing direct entry EXEC_USERSPACE # [ 92.463379] lkdtm: attempting ok execution at c0c36fb0 # [ 92.471571] lkdtm: attempting bad execution at b6ff7000 # [ 92.479851] Unhandled prefetch abort: page domain fault (0x00b) at 0xb6ff7000 # [ 92.490071] Internal error: : b [#8] SMP ARM # [ 92.497464] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan dw_hdmi_imx dw_hdmi can_dev etnaviv parallel_display imxdrm gpu_sched imx_ipu_v3 # [ 92.529446] CPU: 1 PID: 2086 Comm: cat Tainted: G D W 5.10.173-cip27 #1 # [ 92.540307] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 92.549192] PC is at 0xb6ff7000 # [ 92.555130] LR is at lkdtm_EXEC_USERSPACE+0xc4/0xd4 # [ 92.563123] pc : [] lr : [] psr: 600e0013 # [ 92.571999] sp : c6b3de48 ip : c6b3dd50 fp : c6b3de64 # [ 92.579831] r10: 0000000f r9 : c1acd050 r8 : c15e8b44 # [ 92.587407] r7 : c6b3df60 r6 : 0000000f r5 : c6d0a000 r4 : b6ff7000 # [ 92.596285] r3 : 3237261d r2 : 3237261d r1 : ef7965e0 r0 : 0000002b # [ 92.605163] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 92.614994] Control: 10c5387d Table: 16f4c04a DAC: 00000051 # [ 92.623267] Process cat (pid: 2086, stack limit = 0xa49db08b) # [ 92.631706] Stack: (0xc6b3de48 to 0xc6b3e000) # [ 92.638596] de40: 00000001 00000000 0000000f 00000024 c6b3de74 c6b3de68 # [ 92.649900] de60: c0c36240 c0c3704c c6b3de9c c6b3de78 c0c36740 c0c36220 c0c36620 c4344500 # [ 92.661119] de80: b6eb1000 0000000f c53183c0 c6b3df60 c6b3dec4 c6b3dea0 c07e0a5c c0c3662c # [ 92.672166] dea0: 00000000 c4344500 b6eb1000 c2815800 c6b3df60 c07e09f8 c6b3df5c c6b3dec8 # [ 92.683300] dec0: c0597f58 c07e0a04 00000001 00000000 c0598504 c1375478 c0598504 c6b3c000 # [ 92.694347] dee0: b6eb1000 00020000 00000004 0000000f 0001fff1 c6b3dee0 00000001 b6eb0000 # [ 92.705480] df00: c6b85a40 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 92.716528] df20: 00000000 00000000 c1375478 3237261d c205dcc0 c4344500 c4344500 c6b3c000 # [ 92.727660] df40: b6eb1000 00000000 00000000 00000004 c6b3df94 c6b3df60 c0598504 c0597e58 # [ 92.738795] df60: 00000000 00000000 c6b3dfac 3237261d 0000000f 0000000f b6ff8e00 00000004 # [ 92.749928] df80: c03002e4 c6b3c000 c6b3dfa4 c6b3df98 c0598594 c059849c 00000000 c6b3dfa8 # [ 92.761062] dfa0: c03000c0 c0598588 0000000f 0000000f 00000001 b6eb1000 0000000f 00000000 # [ 92.772198] dfc0: 0000000f 0000000f b6ff8e00 00000004 00000001 00000000 00020000 beacaa64 # [ 92.782202] dfe0: 00000004 beaca798 b6f634cf b6ee97e6 800e0030 00000001 00000000 00000000 # [ 92.790658] Backtrace: # [ 92.793424] [] (lkdtm_EXEC_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 92.802233] r4:00000024 # [ 92.805064] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 92.813376] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 92.821586] r9:c6b3df60 r8:c53183c0 r7:0000000f r6:b6eb1000 r5:c4344500 r4:c0c36620 # [ 92.829635] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 92.837756] r9:c07e09f8 r8:c6b3df60 r7:c2815800 r6:b6eb1000 r5:c4344500 r4:00000000 # [ 92.845797] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 92.853223] r10:00000004 r9:0<6>[ 93.316782] lkdtm: Performing direct entry EXEC_NULL 0000000 r8:00000000 r7:b6eb1000 r<6>[ 93.324785] lkdtm: attempting ok execution at c0c36fb0 6:c6b3c000 r5:c4344500 # [ 92.<6>[ 93.332987] lkdtm: attempting bad execution at 00000000 861333] r4:c4344500 # [ 92.86<1>[ 93.341402] 8<--- cut here --- 4161] [] (ksys_write) f<1>[ 93.347663] Unable to handle kernel NULL pointer dereference at virtual address 00000000 rom [] (sys_write+0x18/<1>[ 93.359959] pgd = 1b2132c9 0x1c) # [ 92.871587] r9:c6b3c<1>[ 93.364759] [00000000] *pgd=00000000 000 r8:c03002e4 r7:00000004 r6:b6<0>[ 93.371439] Internal error: Oops: 80000005 [#9] SMP ARM <4>[ 93.379748] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan dw_hdmi_imx dw_hdmi can_dev etnaviv parallel_display imxdrm gpu_sched imx_ipu_v3 <4>[ 93.409037] CPU: 0 PID: 2157 Comm: cat Tainted: G D W 5.10.173-cip27 #1 <4>[ 93.417048] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 93.423846] PC is at 0x0 <4>[ 93.426654] LR is at execute_location+0xa4/0xb4 <4>[ 93.431452] pc : [<00000000>] lr : [] psr: 600e0013 <4>[ 93.437984] sp : c6f35e38 ip : c6f35d40 fp : c6f35e54 <4>[ 93.443473] r10: 0000000a r9 : c1acd060 r8 : c15e8b44 <4>[ 93.448964] r7 : c6f35f60 r6 : 00000000 r5 : 00000000 r4 : c0c36fb0 <4>[ 93.455756] r3 : 8f68c5ae r2 : 8f68c5ae r1 : ef7815e0 r0 : 0000002b <4>[ 93.462550] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 93.469952] Control: 10c5387d Table: 16ee404a DAC: 00000051 <0>[ 93.475964] Process cat (pid: 2157, stack limit = 0x816c329e) <0>[ 93.481978] Stack: (0xc6f35e38 to 0xc6f36000) <0>[ 93.486603] 5e20: 00000025 c5f27000 <0>[ 93.495049] 5e40: 0000000a c6f35f60 c6f35e64 c6f35e58 c1360ef8 c1360c54 c6f35e74 c6f35e68 <0>[ 93.503493] 5e60: c0c36240 c1360ee4 c6f35e9c c6f35e78 c0c36740 c0c36220 c0c36620 c6b59e00 <0>[ 93.511939] 5e80: b6e1b000 0000000a c53183c0 c6f35f60 c6f35ec4 c6f35ea0 c07e0a5c c0c3662c <0>[ 93.520385] 5ea0: 00000000 c6b59e00 b6e1b000 c2815800 c6f35f60 c07e09f8 c6f35f5c c6f35ec8 <0>[ 93.528832] 5ec0: c0597f58 c07e0a04 00000001 00000000 c0598504 c1375478 c0598504 c6f34000 <0>[ 93.537278] 5ee0: b6e1b000 00020000 00000004 0000000a 0001fff6 c6f35ee0 00000001 b6e1a000 <0>[ 93.545723] 5f00: c47dec80 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 93.554169] 5f20: 00000000 00000000 c1375478 8f68c5ae c205dcc0 c6b59e00 c6b59e00 c6f34000 <0>[ 93.562616] 5f40: b6e1b000 00000000 00000000 00000004 c6f35f94 c6f35f60 c0598504 c0597e58 <0>[ 93.571061] 5f60: 00000000 00000000 c6f35fac 8f68c5ae 0000000a 0000000a b6f62e00 00000004 <0>[ 93.579507] 5f80: c03002e4 c6f34000 c6f35fa4 c6f35f98 c0598594 c059849c 00000000 c6f35fa8 <0>[ 93.587951] 5fa0: c03000c0 c0598588 0000000a 0000000a 00000001 b6e1b000 0000000a 00000000 <0>[ 93.596397] 5fc0: 0000000a 0000000a b6f62e00 00000004 00000001 00000000 00020000 be866a64 <0>[ 93.604843] 5fe0: 00000004 be866798 b6ecd4cf b6e537e6 800e0030 00000001 00000000 00000000 <0>[ 93.613282] Backtrace: <0>[ 93.616008] [] (execute_location) from [] (lkdtm_EXEC_NULL+0x20/0x24) <0>[ 93.624455] r7:c6f35f60 r6:0000000a r5:c5f27000 r4:00000025 <0>[ 93.630389] [] (lkdtm_EXEC_NULL) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 93.638751] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 93.647031] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 93.655217] r9:c6f35f60 r8:c53183c0 r7:0000000a r6:b6e1b000 r5:c6b59e00 r4:c0c36620 <0>[ 93.663237] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 93.671336] r9:c07e09f8 r8:c6f35f60 r7:c2815800 r6:b6e1b000 r5:c6b59e00 r4:00000000 <0>[ 93.679348] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 93.686752] r10:00000004 r9:00000000 r8:00000000 r7:b6e1b000 r6:c6f34000 r5:c6b59e00 <0>[ 93.694847] r4:c6b59e00 <0>[ 93.697650] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 93.705053] r9:c6f34000 r8:c03002e4 r7:00000004 r6:b6f62e00 r5:0000000a r4:0000000a <0>[ 93.713068] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 93.720903] Exception stack(0xc6f35fa8 to 0xc6f35ff0) <0>[ 93.726221] 5fa0: 0000000a 0000000a 00000001 b6e1b000 0000000a 00000000 <0>[ 93.734666] 5fc0: 0000000a 0000000a b6f62e00 00000004 00000001 00000000 00020000 be866a64 <0>[ 93.743109] 5fe0: 00000004 be866798 b6ecd4cf b6e537e6 <0>[ 93.748432] Code: bad PC value ff8e00 r5:0000000f r4:0000000f #<4>[ 93.751821] ---[ end trace 9a58a83fb7a0032d ]--- [ 92.879631] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 92.887482] Exception stack(0xc6b3dfa8 to 0xc6b3dff0) # [ 92.892823] dfa0: 0000000f 0000000f 00000001 b6eb1000 0000000f 00000000 # [ 92.901292] dfc0: 0000000f 0000000f b6ff8e00 00000004 00000001 00000000 00020000 beacaa64 # [ 92.909756] dfe0: 00000004 beaca798 b6f634cf b6ee97e6 # [ 92.915105] Code: bad PC value # [ 92.918457] ---[ end trace 9a58a83fb7a0032c ]--- # EXEC_USERSPACE: missing 'call trace:': [FAIL] not ok 35 selftests: lkdtm: EXEC_USERSPACE.sh # exit=1 # selftests: lkdtm: EXEC_NULL.sh # Segmentation fault # [ 93.316782] lkdtm: Performing direct entry EXEC_NULL # [ 93.324785] lkdtm: attempting ok execution at c0c36fb0 # [ 93.332987] lkdtm: attempting bad execution at 00000000 # [ 93.341402] 8<--- cut here --- # [ 93.347663] Unable to handle kernel NULL pointer dereference at virtual address 00000000 # [ 93.359959] pgd = 1b2132c9 # [ 93.364759] [00000000] *pgd=00000000 # [ 93.371439] Internal error: Oops: 80000005 [#9] SMP ARM # [ 93.379748] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan dw_hdmi_imx dw_hdmi can_dev etnaviv parallel_display imxdrm gpu_sched imx_ipu_v3 # [ 93.409037] CPU: 0 PID: 2157 Comm: cat Tainted: G D W 5.10.173-cip27 #1 # [ 93.417048] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 93.423846] PC is at 0x0 # [ 93.426654] LR is at execute_location+0xa4/0xb4 # [ 93.431452] pc : [<00000000>] lr : [] psr: 600e0013 # [ 93.437984] sp : c6f35e38 ip : c6f35d40 fp : c6f35e54 # [ 93.443473] r10: 0000000a r9 : c1acd060 r8 : c15e8b44 # [ 93.448964] r7 : c6f35f60 r6 : 00000000 r5 : 00000000 r4 : c0c36fb0 # [ 93.455756] r3 : 8f68c5ae r2 : 8f68c5ae r1 : ef7815e0 r0 : 0000002b # [ 93.462550] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 93.469952] Control: 10c5387d Table: 16ee404a DAC: 00000051 # [ 93.475964] Process cat (pid: 2157, stack limit = 0x816c329e) # [ 93.481978] Stack: (0xc6f35e38 to 0xc6f36000) # [ 93.486603] 5e20: 00000025 c5f27000 # [ 93.495049] 5e40: 0000000a c6f35f60 c6f35e64 c6f35e58 c1360ef8 c1360c54 c6f35e74 c6f35e68 # [ 93.503493] 5e60: c0c36240 c1360ee4 c6f35e9c c6f35e78 c0c36740 c0c36220 c0c36620 c6b59e00 # [ 93.511939] 5e80: b6e1b000 0000000a c53183c0 c6f35f60 c6f35ec4 c6f35ea0 c07e0a5c c0c3662c # [ 93.520385] 5ea0: 00000000 c6b59e00 b6e1b000 c2815800 c6f35f60 c07e09f8 c6f35f5c c6f35ec8 # [ 93.528832] 5ec0: c0597f58 c07e0a04 00000001 00000000 c0598504 c1375478 c0598504 c6f34000 # [ 93.537278] 5ee0: b6e1b000 00020000 00000004 0000000a 0001fff6 c6f35ee0 00000001 b6e1a000 # [ 93.545723] 5f00: c47dec80 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 93.554169] 5f20: 00000000 00000000 c1375478 8f68c5ae c205dcc0 c6b59e00 c6b59e00 c6f34000 # [ 93.562616] 5f40: b6e1b000 00000000 00000000 00000004 c6f35f94 c6f35f60 c0598504 c0597e58 # [ 93.571061] 5f60: 00000000 00000000 c6f35fac 8f68c5ae 0000000a 0000000a b6f62e00 00000004 # [ 93.579507] 5f80: c03002e4 c6f34000 c6f35fa4 c6f35f98 c0598594 c059849c 00000000 c6f35fa8 # [ 93.587951] 5fa0: c03000c0 c0598588 0000000a 0000000a 00000001 b6e1b000 0000000a 00000000 # [ 93.596397] 5fc0: 0000000a 0000000a b6f62e00 00000004 00000001 00000000 00020000 be866a64 # [ 93.604843] 5fe0: 00000004 be866798 b6ecd4cf b6e537e6 800e0030 00000001 00000000 00000000 # [ 93.613282] Backtrace: # [ 93.616008] [] (execute_location) from [] (lkdtm_EXEC_NULL+0x20/0x24) # [ 93.624455] r7:c6f35f60 r6:0000000a r5:c5f27000 r4:00000025 # [ 93.630389] [] (lkdtm_EXEC_NULL) from [] (lkdtm_do_action+0x2c/0x4c) # [ 93.638751] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 93.647031] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 93.655217] r9:c6f35f60 r8:c53183c0 r7:0000000a r6:b6e1b000 r5:c6b59e00 r4:c0c36620 # [ 93.663237] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 93.671336] r9:c07e09f8 r8:c6f35f60 r7:c2815800 r6:b6e1b000 r5:c6b59e00 r4:00000000 # [ 93.679348] [[ 94.195834] lkdtm: Performing direct entry ACCESS_USERSPACE 4c>] (vfs_write) from [<6>[ 94.202885] lkdtm: attempting bad read at b6f16000 ] (ksys_write+0x74/0xec) # [ 9<1>[ 94.210835] 8<--- cut here --- 3.686752] r10:00000004 r9:0000001>[ 94.216948] Unhandled fault: page domain fault (0x01b) at 0xb6f16000 00 r8:00000000 r7:b6e10[0 94.226343] pgd = a2277b3d 6:c6f34000 r5:c6b59e00 # [ 93.<1>[ 94.231661] [b6f16000] *pgd=49153831 694847] r4:c6b59e00 # [ 9<30.[ 94.238376] Internal error: : 1b [#10] SMP ARM 697650] [] (ksys_write)<4>[ 94.245684] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan dw_hdmi_imx dw_hdmi can_dev etnaviv parallel_display imxdrm gpu_sched imx_ipu_v3 from [] (sys_write+0x1<4>[ 94.277662] CPU: 2 PID: 2233 Comm: cat Tainted: G D W 5.10.173-cip27 #1 8/0x1c) # [ 93.70<540>5[3 ] 94.288522] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) r9:c6f34000 r8:c03002e4 r7:000000<4>[ 94.297592] PC is at lkdtm_ACCESS_USERSPACE+0x114/0x16c 04 r6:b6f62e00 r5:0000000a r4:0<0>[ 94.305935] LR is at __irq_work_queue_local+0x40/0x74 00000a # [ 93.71306<84]> [[ < 94.313938] pc : [] lr : [] psr: 600e0013 059857c>] (sys_write) o[m 94.322811] sp : c6afbe38 ip : c6afbd40 fp : c6afbe64 ] (ret_s[t _ s y9s.330643] r10: 00000011 r9 : c1acd06c r8 : c15e8b44 call+0x0/0x28) # [ < 4 >9[3 . 7 94.338219] r7 : c6afbf60 r6 : 00000051 r5 : c6afa000 r4 : b6f16000 0903] Exception stack(<40>x[c 6 f94.347267] r3 : 9acb11f7 r2 : 9acb11f7 r1 : ef7ab5e0 r0 : 00000026 35fa8 to 0xc6f35ff0) # [ <4 >9[ 94.356321] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none .726221] 5fa0: < 4 > [ 94.366236] Control: 10c5387d Table: 16bac04a DAC: 00000051 0000000a 0000000a 0000<000>0[ 94.374678] Process cat (pid: 2233, stack limit = 0x210324a4) b6e1b000 0000000a 00<000>0[0 0 094.383204] Stack: (0xc6afbe38 to 0xc6afc000) # [ 93.734666] 5fc0: 000<000>[ 94.390088] be20: 00000022 00000000 0a 0000000a b6f62e00 00000004 000<0>[ 94.401139] be40: 00000000 9acb11f7 c6afbe6c 00000026 c458a000 00000011 c6afbe74 c6afbe68 00001 00000000 00020000 be866a6<4>[ 94.412442] be60: c0c36240 c0c37120 c6afbe9c c6afbe78 c0c36740 c0c36220 c0c36620 c42e5540 # [ 93.743109] 5fe0: 000000<0>[ 94.423575] be80: b6dd0000 00000011 c53183c0 c6afbf60 c6afbec4 c6afbea0 c07e0a5c c0c3662c 4 be866798 b6ecd4cf b6e537e6 < 0#[ 94.434707] bea0: 00000000 c42e5540 b6dd0000 c2815800 c6afbf60 c07e09f8 c6afbf5c c6afbec8 [ 93.748432] Code: bad PC v[ 94.445757] bec0: c0597f58 c07e0a04 00000001 00000000 c0598504 c1375478 c0598504 c6afa000 ue # [ 93.751821] ---[ end [ 94.456888] bee0: b6dd0000 00020000 00000004 00000011 0001ffef c6afbee0 00000001 b6dcf000 ace 9a58a83fb7a0032d ]--- # [ 94.479069] bf20: 00000000 00000000 c1375478 9acb11f7 c205dcc0 c42e5540 c42e5540 c6afa000 [FAIL] not ok 36 selftests: lk[ 94.490201] bf40: b6dd0000 00000000 00000000 00000004 c6afbf94 c6afbf60 c0598504 c0597e58 tm: EXEC_NULL.sh # exit=1 # s[ 94.501332] bf60: 00000000 00000000 c6afbfac 9acb11f7 00000011 00000011 b6f17e00 00000004 ftests: lkdtm: ACCESS_USERSPACE<.>[ 94.512466] bf80: c03002e4 c6afa000 c6afbfa4 c6afbf98 c0598594 c059849c 00000000 c6afbfa8 sh <0>[ 94.523598] bfa0: c03000c0 c0598588 00000011 00000011 00000001 b6dd0000 00000011 00000000 <0>[ 94.532389] bfc0: 00000011 00000011 b6f17e00 00000004 00000001 00000000 00020000 beb12a64 <0>[ 94.540857] bfe0: 00000004 beb12798 b6e824cf b6e087e6 800e0030 00000001 00000000 00000000 <0>[ 94.549312] Backtrace: <0>[ 94.552079] [] (lkdtm_ACCESS_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 94.561068] r6:00000011 r5:c458a000 r4:00000026 <0>[ 94.565980] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 94.574290] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 94.582500] r9:c6afbf60 r8:c53183c0 r7:00000011 r6:b6dd0000 r5:c42e5540 r4:c0c36620 <0>[ 94.590550] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 94.598670] r9:c07e09f8 r8:c6afbf60 r7:c2815800 r6:b6dd0000 r5:c42e5540 r4:00000000 <0>[ 94.606709] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 94.614134] r10:00000004 r9:00000000 r8:00000000 r7:b6dd0000 r6:c6afa000 r5:c42e5540 <0>[ 94.622246] r4:c42e5540 <0>[ 94.625075] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 94.632502] r9:c6afa000 r8:c03002e4 r7:00000004 r6:b6f17e00 r5:00000011 r4:00000011 <0>[ 94.640543] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 94.648393] Exception stack(0xc6afbfa8 to 0xc6afbff0) <0>[ 94.653736] bfa0: 00000011 00000011 00000001 b6dd0000 00000011 00000000 <0>[ 94.662204] bfc0: 00000011 00000011 b6f17e00 00000004 00000001 00000000 00020000 beb12a64 <0>[ 94.670666] bfe0: 00000004 beb12798 b6e824cf b6e087e6 <0>[ 94.676011] Code: e1a01004 e30d0f90 e34c01ac eb1c7b40 (e5943000) <4>[ 94.682397] ---[ end trace 9a58a83fb7a0032e ]--- # Segmentation fault # [ 94.195834] lkdtm: Performing direct entry ACCESS_USERSPACE # [ 94.202885] lkdtm: attempting bad read at b6f16000 # [ 94.210835] 8<--- cut here --- # [ 94.216948] Unhandled fault: page domain fault (0x01b) at 0xb6f16000 # [ 94.226343] pgd = a2277b3d # [ 94.231661] [b6f16000] *pgd=49153831 # [ 94.238376] Internal error: : 1b [#10] SMP ARM # [ 94.245684] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan dw_hdmi_imx dw_hdmi can_dev etnaviv parallel_display imxdrm gpu_sched imx_ipu_v3 # [ 94.277662] CPU: 2 PID: 2233 Comm: cat Tainted: G D W 5.10.173-cip27 #1 # [ 94.288522] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 94.297592] PC is at lkdtm_ACCESS_USERSPACE+0x114/0x16c # [ 94.305935] LR is at __irq_work_queue_local+0x40/0x74 # [ 94.313938] pc : [] lr : [] psr: 600e0013 # [ 94.322811] sp : c6afbe38 ip : c6afbd40 fp : c6afbe64 # [ 94.330643] r10: 00000011 r9 : c1acd06c r8 : c15e8b44 # [ 94.338219] r7 : c6afbf60 r6 : 00000051 r5 : c6afa000 r4 : b6f16000 # [ 94.347267] r3 : 9acb11f7 r2 : 9acb11f7 r1 : ef7ab5e0 r0 : 00000026 # [ 94.356321] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 94.366236] Control: 10c5387d Table: 16bac04a DAC: 00000051 # [ 94.374678] Process cat (pid: 2233, stack limit = 0x210324a4) # [ 94.383204] Stack: (0xc6afbe38 to 0xc6afc000) # [ 94.390088] be20: 00000022 00000000 # [ 94.401139] be40: 00000000 9acb11f7 c6afbe6c 00000026 c458a000 00000011 c6afbe74 c6afbe68 # [ 94.412442] be60: c0c36240 c0c37120 c6afbe9c c6afbe78 c0c36740 c0c36220 c0c36620 c42e5540 # [ 94.423575] be80: b6dd0000 00000011 c53183c0 c6afbf60 c6afbec4 c6afbea0 c07e0a5c c0c3662c # [ 94.434707] bea0: 00000000 c42e5540 b6dd0000 c2815800 c6afbf60 c07e09f8 c6afbf5c c6afbec8 # [ 94.445757] bec0: c0597f58 c07e0a04 00000001 00000000 c0598504 c1375478 c0598504 c6afa000 # [ 94.456888] bee0: b6dd0000 00020000 00000004 00000011 0001ffef c6afbee0 00000001 b6dcf000 # [ 94.468019] bf00: c47de780 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 94.479069] bf20: 00000000 00000000 c1375478 9acb11f7 c205dcc0 c42e5540 c42e5540 c6afa000 # [ 94.490201] bf40: b6dd0000 00000000 00000000 00000004 c6afbf94 c6afbf60 c0598504 c0597e58 # [ 94.501332] bf60: 00000000 00000000 c6afbfac 9acb11f7 00000011 00000011 b6f17e00 00000004 # [ 94.512466] bf80: c03002e4 c6afa000 c6afbfa4 c6afbf98 c0598594 c059849c 00000000 c6afbfa8 # [ 94.523598] bfa0: c03000c0 c0598588 00000011 00000011 00000001 b6dd0000 00000011 00000000 # [ 94.532389] bfc0: 00000011 00000011 b6f17e00 00000004 00000001 00000000 00020000 beb12a64 # [ 94.540857] bfe0: 00000004 beb12798 b6e824cf b6e087e6 800e0030 00000001 00000000 00000000 # [ 94.549312] Backtrace: # [ 94.552079] [] (lkdtm_ACCESS_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 94.561068] r6:00000011 r5:c458a000 r4:00000026 # [ 94.565980] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 94.574290] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 94.582500] r9:c6afbf60 r8:c53183c0 r7:00000011 r6:b6dd0000 r5:c42e5540 r4:c0c36620 # [ 94.590550] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 94.598670] r9:c07e09f8 r8:c6afbf60 r7:c2815800 r6:b6dd0000 r5:c42e5540 r4:00000000 # [ 94.606709] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 94.614134] r10:00000004 r9:00000000 r8:00000000 r7:b6dd0000 r6:c6afa000 r5:c42e5540 # [ 94.622246] r4:c42e5540 # [ 94.625075] [[ 95.128245] lkdtm: Performing direct entry ACCESS_NULL 490>] (ksys_write) from [[ 95.135625] lkdtm: attempting bad read at 00000000 4>] (sys_write+0x18/0x1c) # [ <1>[ 95.143527] 8<--- cut here --- 94.632502] r9:c6afa000 r8:c03002<1>[ 95.149700] Unable to handle kernel NULL pointer dereference at virtual address 00000000 e4 r7:00000004 r6:b6f17e00 r5:000<1>[ 95.162035] pgd = dfd0ac27 00011 r4:00000011 # [ 94.64054<1>[ 95.167176] [00000000] *pgd=00000000 3] [] (sys_write) from <0>[ 95.173550] Internal error: Oops: 5 [#11] SMP ARM <4>[ 95.181334] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan dw_hdmi_imx dw_hdmi can_dev etnaviv parallel_display imxdrm gpu_sched imx_ipu_v3 <4>[ 95.210665] CPU: 0 PID: 2308 Comm: cat Tainted: G D W 5.10.173-cip27 #1 <4>[ 95.218675] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 95.225482] PC is at lkdtm_ACCESS_NULL+0x28/0x68 <4>[ 95.230374] LR is at __irq_work_queue_local+0x40/0x74 <4>[ 95.235695] pc : [] lr : [] psr: 600e0013 <4>[ 95.242230] sp : c440be50 ip : c440bd58 fp : c440be64 <4>[ 95.247721] r10: 0000000c r9 : c1acd080 r8 : c15e8b44 <4>[ 95.253215] r7 : c440bf60 r6 : 0000000c r5 : c6e5c000 r4 : 00000000 <4>[ 95.260009] r3 : 955fa815 r2 : 955fa815 r1 : ef7815e0 r0 : 00000026 <4>[ 95.266807] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 95.274214] Control: 10c5387d Table: 1681004a DAC: 00000051 <0>[ 95.280229] Process cat (pid: 2308, stack limit = 0x04ee882c) <0>[ 95.286244] Stack: (0xc440be50 to 0xc440c000) <0>[ 95.290874] be40: 00000027 c6e5c000 c440be74 c440be68 <0>[ 95.299324] be60: c0c36240 c1360f08 c440be9c c440be78 c0c36740 c0c36220 c0c36620 c47f1b80 <0>[ 95.307773] be80: b6ea8000 0000000c c53183c0 c440bf60 c440bec4 c440bea0 c07e0a5c c0c3662c <0>[ 95.316222] bea0: 00000000 c47f1b80 b6ea8000 c2815800 c440bf60 c07e09f8 c440bf5c c440bec8 <0>[ 95.324672] bec0: c0597f58 c07e0a04 00000001 00000000 c0598504 c1375478 c0598504 c440a000 <0>[ 95.333122] bee0: b6ea8000 00020000 00000004 0000000c 0001fff4 c440bee0 00000001 b6ea7000 <0>[ 95.341570] bf00: c47de000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 95.350020] bf20: 00000000 00000000 c1375478 955fa815 c205dcc0 c47f1b80 c47f1b80 c440a000 <0>[ 95.358471] bf40: b6ea8000 00000000 00000000 00000004 c440bf94 c440bf60 c0598504 c0597e58 <0>[ 95.366920] bf60: 00000000 00000000 c440bfac 955fa815 0000000c 0000000c b6fefe00 00000004 <0>[ 95.375369] bf80: c03002e4 c440a000 c440bfa4 c440bf98 c0598594 c059849c 00000000 c440bfa8 <0>[ 95.383818] bfa0: c03000c0 c0598588 0000000c 0000000c 00000001 b6ea8000 0000000c 00000000 <0>[ 95.392268] bfc0: 0000000c 0000000c b6fefe00 00000004 00000001 00000000 00020000 be969a64 <0>[ 95.400719] bfe0: 00000004 be969798 b6f5a4cf b6ee07e6 800e0030 00000001 00000000 00000000 <0>[ 95.409161] Backtrace: <0>[ 95.411896] [] (lkdtm_ACCESS_NULL) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 95.420430] r5:c6e5c000 r4:00000027 <0>[ 95.424282] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 95.432567] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 95.440756] r9:c440bf60 r8:c53183c0 r7:0000000c r6:b6ea8000 r5:c47f1b80 r4:c0c36620 <0>[ 95.448781] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 95.456884] r9:c07e09f8 r8:c440bf60 r7:c2815800 r6:b6ea8000 r5:c47f1b80 r4:00000000 <0>[ 95.464902] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 95.472309] r10:00000004 r9:00000000 r8:00000000 r7:b6ea8000 r6:c440a000 r5:c47f1b80 <0>[ 95.480406] r4:c47f1b80 <0>[ 95.483214] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 95.490620] r9:c440a000 r8:c03002e4 r7:00000004 r6:b6fefe00 r5:0000000c r4:0000000c <0>[ 95.498640] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 95.506477] Exception stack(0xc440bfa8 to 0xc440bff0) <0>[ 95.511799] bfa0: 0000000c 0000000c 00000001 b6ea8000 0000000c 00000000 <0>[ 95.520248] bfc0: 0000000c 0000000c b6fefe00 00000004 00000001 00000000 00020000 be969a64 <0>[ 95.528695] bfe0: 00000004 be969798 b6f5a4cf b6ee07e6 <0>[ 95.534019] Code: e30d0f90 e34c01ac e1a01004 ebffd401 (e5945000) [] (ret_fast_syscall+0x<4>[ 95.540460] ---[ end trace 9a58a83fb7a0032f ]--- 0/0x28) # [ 94.648393] Exception stack(0xc6afbfa8 to 0xc6afbff0) # [ 94.653736] bfa0: 00000011 00000011 00000001 b6dd0000 00000011 00000000 # [ 94.662204] bfc0: 00000011 00000011 b6f17e00 00000004 00000001 00000000 00020000 beb12a64 # [ 94.670666] bfe0: 00000004 beb12798 b6e824cf b6e087e6 # [ 94.676011] Code: e1a01004 e30d0f90 e34c01ac eb1c7b40 (e5943000) # [ 94.682397] ---[ end trace 9a58a83fb7a0032e ]--- # ACCESS_USERSPACE: missing 'call trace:': [FAIL] not ok 37 selftests: lkdtm: ACCESS_USERSPACE.sh # exit=1 # selftests: lkdtm: ACCESS_NULL.sh # Segmentation fault # [ 95.128245] lkdtm: Performing direct entry ACCESS_NULL # [ 95.135625] lkdtm: attempting bad read at 00000000 # [ 95.143527] 8<--- cut here --- # [ 95.149700] Unable to handle kernel NULL pointer dereference at virtual address 00000000 # [ 95.162035] pgd = dfd0ac27 # [ 95.167176] [00000000] *pgd=00000000 # [ 95.173550] Internal error: Oops: 5 [#11] SMP ARM # [ 95.181334] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan dw_hdmi_imx dw_hdmi can_dev etnaviv parallel_display imxdrm gpu_sched imx_ipu_v3 # [ 95.210665] CPU: 0 PID: 2308 Comm: cat Tainted: G D W 5.10.173-cip27 #1 # [ 95.218675] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 95.225482] PC is at lkdtm_ACCESS_NULL+0x28/0x68 # [ 95.230374] LR is at __irq_work_queue_local+0x40/0x74 # [ 95.235695] pc : [] lr : [] psr: 600e0013 # [ 95.242230] sp : c440be50 ip : c440bd58 fp : c440be64 # [ 95.247721] r10: 0000000c r9 : c1acd080 r8 : c15e8b44 # [ 95.253215] r7 : c440bf60 r6 : 0000000c r5 : c6e5c000 r4 : 00000000 # [ 95.260009] r3 : 955fa815 r2 : 955fa815 r1 : ef7815e0 r0 : 00000026 # [ 95.266807] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 95.274214] Control: 10c5387d Table: 1681004a DAC: 00000051 # [ 95.280229] Process cat (pid: 2308, stack limit = 0x04ee882c) # [ 95.286244] Stack: (0xc440be50 to 0xc440c000) # [ 95.290874] be40: 00000027 c6e5c000 c440be74 c440be68 # [ 95.299324] be60: c0c36240 c1360f08 c440be9c c440be78 c0c36740 c0c36220 c0c36620 c47f1b80 # [ 95.307773] be80: b6ea8000 0000000c c53183c0 c440bf60 c440bec4 c440bea0 c07e0a5c c0c3662c # [ 95.316222] bea0: 00000000 c47f1b80 b6ea8000 c2815800 c440bf60 c07e09f8 c440bf5c c440bec8 # [ 95.324672] bec0: c0597f58 c07e0a04 00000001 00000000 c0598504 c1375478 c0598504 c440a000 # [ 95.333122] bee0: b6ea8000 00020000 00000004 0000000c 0001fff4 c440bee0 00000001 b6ea7000 # [ 95.341570] bf00: c47de000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 95.350020] bf20: 00000000 00000000 c1375478 955fa815 c205dcc0 c47f1b80 c47f1b80 c440a000 # [ 95.358471] bf40: b6ea8000 00000000 00000000 00000004 c440bf94 c440bf60 c0598504 c0597e58 # [ 95.366920] bf60: 00000000 00000000 c440bfac 955fa815 0000000c 0000000c b6fefe00 00000004 # [ 95.375369] bf80: c03002e4 c440a000 c440bfa4 c440bf98 c0598594 c059849c 00000000 c440bfa8 # [ 95.383818] bfa0: c03000c0 c0598588 0000000c 0000000c 00000001 b6ea8000 0000000c 00000000 # [ 95.392268] bfc0: 0000000c 0000000c b6fefe00 00000004 00000001 00000000 00020000 be969a64 # [ 95.400719] bfe0: 00000004 be969798 b6f5a4cf b6ee07e6 800e0030 00000001 00000000 00000000 # [ 95.409161] Backtrace: # [ 95.411896] [] (lkdtm_ACCESS_NULL) from [] (lkdtm_do_action+0x2c/0x4c) # [ 95.420430] r5:c6e5c000 r4:00000027 # [ 95.424282] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 95.432567] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 95.440756] r9:c440bf60 r8:c53183c0 r7:0000000c r6:b6ea8000 r5:c47f1b80 r4:c0c36620 # [ 95.448781] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 95.456884] r9:c07e09f8 r8:c440bf60 r7:c2815800 r6:b6ea8000 r5:c47f1b80 r4:00000000 # [ 95.464902] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 95.472309] r10:00000004 r9:00000000 r8:00000000 r7:b6ea8000 r6:c440a000 r5:c47f1b80 # [ 95.480406] r4:c47f1b80 # [ 95.483214] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 95.490620] r9:c440a000 r8:c03002e4 r7:00000004 r6:b6fefe00 r5:0000000c r4:0000000c # [ 95.498640] [] (sys_write) from [] (ret<6>[ 96.020577] lkdtm: Performing direct entry WRITE_RO _fast_syscall+0x0/0x28) # [ 95<6>[ 96.027386] lkdtm: attempting bad rodata write at c15e8ddc .506477] Exception stack(0xc440bf<1>[ 96.036009] 8<--- cut here --- <1>[ 96.042143] Unable to handle kernel paging request at virtual address c15e8ddc <1>[ 96.049633] pgd = b6781371 <1>[ 96.052608] [c15e8ddc] *pgd=1141941e(bad) <0>[ 96.056901] Internal error: Oops: 80d [#12] SMP ARM <4>[ 96.062046] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan dw_hdmi_imx dw_hdmi can_dev etnaviv parallel_display imxdrm gpu_sched imx_ipu_v3 <4>[ 96.091334] CPU: 0 PID: 2382 Comm: cat Tainted: G D W 5.10.173-cip27 #1 <4>[ 96.099341] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 96.106144] PC is at lkdtm_WRITE_RO+0x44/0x50 <4>[ 96.110773] LR is at __irq_work_queue_local+0x40/0x74 <4>[ 96.116089] pc : [] lr : [] psr: 600e0013 <4>[ 96.122621] sp : c6f4de50 ip : c6f4dd58 fp : c6f4de64 <4>[ 96.128112] r10: 00000009 r9 : c1acd08c r8 : c15e8b44 <4>[ 96.133601] r7 : c6f4df60 r6 : 00000009 r5 : c6e5e000 r4 : c15e8ddc <4>[ 96.140394] r3 : 0198b861 r2 : aa55aa55 r1 : ef7815e0 r0 : c1acde90 <4>[ 96.147187] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 96.154589] Control: 10c5387d Table: 16f6c04a DAC: 00000051 <0>[ 96.160602] Process cat (pid: 2382, stack limit = 0x49b1d93a) <0>[ 96.166614] Stack: (0xc6f4de50 to 0xc6f4e000) <0>[ 96.171242] de40: 00000028 c6e5e000 c6f4de74 c6f4de68 <0>[ 96.179687] de60: c0c36240 c1360d08 c6f4de9c c6f4de78 c0c36740 c0c36220 c0c36620 c6b59040 <0>[ 96.188133] de80: b6e1c000 00000009 c53183c0 c6f4df60 c6f4dec4 c6f4dea0 c07e0a5c c0c3662c <0>[ 96.196578] dea0: 00000000 c6b59040 b6e1c000 c2815800 c6f4df60 c07e09f8 c6f4df5c c6f4dec8 <0>[ 96.205023] dec0: c0597f58 c07e0a04 00000001 00000000 c0598504 c1375478 c0598504 c6f4c000 <0>[ 96.213469] dee0: b6e1c000 00020000 00000004 00000009 0001fff7 c6f4dee0 00000001 b6e1b000 <0>[ 96.221915] df00: c44ea500 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 96.230361] df20: 00000000 00000000 c1375478 f8ba3048 c205dcc0 c6b59040 c6b59040 c6f4c000 <0>[ 96.238809] df40: b6e1c000 00000000 00000000 00000004 c6f4df94 c6f4df60 c0598504 c0597e58 <0>[ 96.247254] df60: 00000000 00000000 c6f4dfac f8ba3048 00000009 00000009 b6f63e00 00000004 <0>[ 96.255700] df80: c03002e4 c6f4c000 c6f4dfa4 c6f4df98 c0598594 c059849c 00000000 c6f4dfa8 <0>[ 96.264145] dfa0: c03000c0 c0598588 00000009 00000009 00000001 b6e1c000 00000009 00000000 <0>[ 96.272591] dfc0: 00000009 00000009 b6f63e00 00000004 00000001 00000000 00020000 bec57a64 <0>[ 96.281036] dfe0: 00000004 bec57798 b6ece4cf b6e547e6 800e0030 00000001 00000000 00000000 <0>[ 96.289476] Backtrace: <0>[ 96.292206] [] (lkdtm_WRITE_RO) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 96.300479] r5:c6e5e000 r4:00000028 <0>[ 96.304327] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 96.312608] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 96.320794] r9:c6f4df60 r8:c53183c0 r7:00000009 r6:b6e1c000 r5:c6b59040 r4:c0c36620 <0>[ 96.328814] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 96.336913] r9:c07e09f8 r8:c6f4df60 r7:c2815800 r6:b6e1c000 r5:c6b59040 r4:00000000 <0>[ 96.344928] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 96.352332] r10:00000004 r9:00000000 r8:00000000 r7:b6e1c000 r6:c6f4c000 r5:c6b59040 <0>[ 96.360426] r4:c6b59040 <0>[ 96.363231] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 96.370636] r9:c6f4c000 r8:c03002e4 r7:00000004 r6:b6f63e00 r5:00000009 r4:00000009 <0>[ 96.378654] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 96.386488] Exception stack(0xc6f4dfa8 to 0xc6f4dff0) <0>[ 96.391807] dfa0: 00000009 00000009 00000001 b6e1c000 00000009 00000000 <0>[ 96.400253] dfc0: 00000009 00000009 b6f63e00 00000004 00000001 00000000 00020000 bec57a64 <0>[ 96.408696] dfe0: 00000004 bec57798 b6ece4cf b6e547e6 <0>[ 96.414017] Code: e34a3bcd e30d0e90 e34c01ac e0233002 (e5843000) <4>[ 96.420381] ---[ end trace 9a58a83fb7a00330 ]--- a8 to 0xc440bff0) # [ 95.511799] bfa0: 0000000c 0000000c 00000001 b6ea8000 0000000c 00000000 # [ 95.520248] bfc0: 0000000c 0000000c b6fefe00 00000004 00000001 00000000 00020000 be969a64 # [ 95.528695] bfe0: 00000004 be969798 b6f5a4cf b6ee07e6 # [ 95.534019] Code: e30d0f90 e34c01ac e1a01004 ebffd401 (e5945000) # [ 95.540460] ---[ end trace 9a58a83fb7a0032f ]--- # ACCESS_NULL: missing 'call trace:': [FAIL] not ok 38 selftests: lkdtm: ACCESS_NULL.sh # exit=1 # selftests: lkdtm: WRITE_RO.sh # Segmentation fault # [ 96.020577] lkdtm: Performing direct entry WRITE_RO # [ 96.027386] lkdtm: attempting bad rodata write at c15e8ddc # [ 96.036009] 8<--- cut here --- # [ 96.042143] Unable to handle kernel paging request at virtual address c15e8ddc # [ 96.049633] pgd = b6781371 # [ 96.052608] [c15e8ddc] *pgd=1141941e(bad) # [ 96.056901] Internal error: Oops: 80d [#12] SMP ARM # [ 96.062046] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan dw_hdmi_imx dw_hdmi can_dev etnaviv parallel_display imxdrm gpu_sched imx_ipu_v3 # [ 96.091334] CPU: 0 PID: 2382 Comm: cat Tainted: G D W 5.10.173-cip27 #1 # [ 96.099341] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 96.106144] PC is at lkdtm_WRITE_RO+0x44/0x50 # [ 96.110773] LR is at __irq_work_queue_local+0x40/0x74 # [ 96.116089] pc : [] lr : [] psr: 600e0013 # [ 96.122621] sp : c6f4de50 ip : c6f4dd58 fp : c6f4de64 # [ 96.128112] r10: 00000009 r9 : c1acd08c r8 : c15e8b44 # [ 96.133601] r7 : c6f4df60 r6 : 00000009 r5 : c6e5e000 r4 : c15e8ddc # [ 96.140394] r3 : 0198b861 r2 : aa55aa55 r1 : ef7815e0 r0 : c1acde90 # [ 96.147187] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 96.154589] Control: 10c5387d Table: 16f6c04a DAC: 00000051 # [ 96.160602] Process cat (pid: 2382, stack limit = 0x49b1d93a) # [ 96.166614] Stack: (0xc6f4de50 to 0xc6f4e000) # [ 96.171242] de40: 00000028 c6e5e000 c6f4de74 c6f4de68 # [ 96.179687] de60: c0c36240 c1360d08 c6f4de9c c6f4de78 c0c36740 c0c36220 c0c36620 c6b59040 # [ 96.188133] de80: b6e1c000 00000009 c53183c0 c6f4df60 c6f4dec4 c6f4dea0 c07e0a5c c0c3662c # [ 96.196578] dea0: 00000000 c6b59040 b6e1c000 c2815800 c6f4df60 c07e09f8 c6f4df5c c6f4dec8 # [ 96.205023] dec0: c0597f58 c07e0a04 00000001 00000000 c0598504 c1375478 c0598504 c6f4c000 # [ 96.213469] dee0: b6e1c000 00020000 00000004 00000009 0001fff7 c6f4dee0 00000001 b6e1b000 # [ 96.221915] df00: c44ea500 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 96.230361] df20: 00000000 00000000 c1375478 f8ba3048 c205dcc0 c6b59040 c6b59040 c6f4c000 # [ 96.238809] df40: b6e1c000 00000000 00000000 00000004 c6f4df94 c6f4df60 c0598504 c0597e58 # [ 96.247254] df60: 00000000 00000000 c6f4dfac f8ba3048 00000009 00000009 b6f63e00 00000004 # [ 96.255700] df80: c03002e4 c6f4c000 c6f4dfa4 c6f4df98 c0598594 c059849c 00000000 c6f4dfa8 # [ 96.264145] dfa0: c03000c0 c0598588 00000009 00000009 00000001 b6e1c000 00000009 00000000 # [ 96.272591] dfc0: 00000009 00000009 b6f63e00 00000004 00000001 00000000 00020000 bec57a64 # [ 96.281036] dfe0: 00000004 bec57798 b6ece4cf b6e547e6 800e0030 00000001 00000000 00000000 # [ 96.289476] Backtrace: # [ 96.292206] [] (lkdtm_WRITE_RO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 96.300479] r5:c6e5e000 r4:00000028 # [ 96.304327] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 96.312608] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 96.320794] r9:c6f4df60 r8:c53183c0 r7:00000009 r6:b6e1c000 r5:c6b59040 r4:c0c36620 # [ 96.328814] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 96.336913] r9:c07e09f8 r8:c6f4df60 r7:c2815800 r6:b6e1c000 r5:c6b59040 r4:00000000 # [ 96.344928] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 96.352332] r10:00000004 r9:00000000 r8:00000000 r7:b6e1c000 r6:c6f4c000 r5:c6b59040 # [ 96.360426] r4:c6b59040 # [ 96.363231] [] (ksys_write) from [] (sys_wr<6>[ 96.877635] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT ite+0x18/0x1c) # [ 96.370636] <6>[ 96.884481] lkdtm: attempting bad ro_after_init write at c1b7ec60 r9:c6f4c000 r8:c03002e4 r7:00000<1>[ 96.893641] 8<--- cut here --- 004 r6:b6f63e00 r5:000<010>0[0 9 96.899760] Unable to handle kernel paging request at virtual address c1b7ec60 r4:00000009 # [ 96.3<718>6[5 4 96.909592] pgd = 59047b8c ] [] (sys_write) from [<1>[ 96.914909] [c1b7ec60] *pgd=11a1941e(bad) ] (ret_fast_syscall+0x<0>[ 96.922058] Internal error: Oops: 80d [#13] SMP ARM /0x28) # [ 96.386488] Exceptio<4>[ 96.929971] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan dw_hdmi_imx dw_hdmi can_dev etnaviv parallel_display imxdrm gpu_sched imx_ipu_v3 n stack(0xc6f4dfa8 to 0xc6f4dff<0>[ 96.961951] CPU: 3 PID: 2456 Comm: cat Tainted: G D W 5.10.173-cip27 #1 ) # [ 96.391807] [a 0 : 6.972641] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 00000009 000000<4>[ 96.981621] PC is at lkdtm_WRITE_RO_AFTER_INIT+0x64/0x70 09 00000001 b6e1c000 00000009< 40[ 96.990059] LR is at __irq_work_queue_local+0x40/0x74 0000000 # [ 96.40025<34]> [d f 96.997976] pc : [] lr : [] psr: 600e0013 c0: 00000009 00<040>0[0 0 9 9b76006849] sp : c6ab5e50 ip : c6ab5d58 fp : c6ab5e64 f63e00 00000004 0<040>0[0 0 0 19 .014338] r10: 00000014 r9 : c1acd098 r8 : c15e8b44 00000000 00020000 be7[a 6 4 97.021916] r7 : c6ab5f60 r6 : 00000014 r5 : c4450000 r4 : c1b7ec60 # [ 96.408696] [e 0 : 90.030963] r3 : fe67479e r2 : 55aa55aa r1 : ef7c05e0 r0 : c1acde90 0000004 bec57798 b6ece4cb[ 6 97.039845] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none e547e6 # [ 96.4140<147>][ C o97.049589] Control: 10c5387d Table: 146b004a DAC: 00000051 de: e34a3bcd e30d0e90 4[c 0 97.057860] Process cat (pid: 2456, stack limit = 0x773b1d88) ac e0233002 (e5843<000>0[) 97.066215] Stack: (0xc6ab5e50 to 0xc6ab6000) [ 96.420381] ---[ end tra[ 97.073016] 5e40: 00000029 c4450000 c6ab5e74 c6ab5e68 9a58a83fb7a00330 ]--- # WRITE_[ 97.084065] 5e60: c0c36240 c1360d58 c6ab5e9c c6ab5e78 c0c36740 c0c36220 c0c36620 c4344140 O: missing 'call trace:': [FAIL<]>[ 97.095200] 5e80: b6e19000 00000014 c53183c0 c6ab5f60 c6ab5ec4 c6ab5ea0 c07e0a5c c0c3662c not ok 39 selftests: lkdtm: W[ 97.106333] 5ea0: 00000000 c4344140 b6e19000 c2815800 c6ab5f60 c07e09f8 c6ab5f5c c6ab5ec8 ITE_RO.sh # exit=1 # selftest[ 97.117467] 5ec0: c0597f58 c07e0a04 00000001 00000000 c0598504 c1375478 c0598504 c6ab4000 lkdtm: WRITE_RO_AFTER_INIT.s[ 97.139649] 5f00: c44eba40 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 97.148182] 5f20: 00000000 00000000 c1375478 67ead0c3 c205dcc0 c4344140 c4344140 c6ab4000 <0>[ 97.156650] 5f40: b6e19000 00000000 00000000 00000004 c6ab5f94 c6ab5f60 c0598504 c0597e58 <0>[ 97.165118] 5f60: 00000000 00000000 c6ab5fac 67ead0c3 00000014 00000014 b6f60e00 00000004 <0>[ 97.173585] 5f80: c03002e4 c6ab4000 c6ab5fa4 c6ab5f98 c0598594 c059849c 00000000 c6ab5fa8 <0>[ 97.182051] 5fa0: c03000c0 c0598588 00000014 00000014 00000001 b6e19000 00000014 00000000 <0>[ 97.190520] 5fc0: 00000014 00000014 b6f60e00 00000004 00000001 00000000 00020000 beaa2a64 <0>[ 97.198988] 5fe0: 00000004 beaa2798 b6ecb4cf b6e517e6 800e0030 00000001 00000000 00000000 <0>[ 97.207442] Backtrace: <0>[ 97.210211] [] (lkdtm_WRITE_RO_AFTER_INIT) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 97.219457] r5:c4450000 r4:00000029 <0>[ 97.223329] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 97.231638] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 97.239848] r9:c6ab5f60 r8:c53183c0 r7:00000014 r6:b6e19000 r5:c4344140 r4:c0c36620 <0>[ 97.247897] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 97.256018] r9:c07e09f8 r8:c6ab5f60 r7:c2815800 r6:b6e19000 r5:c4344140 r4:00000000 <0>[ 97.264057] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 97.271485] r10:00000004 r9:00000000 r8:00000000 r7:b6e19000 r6:c6ab4000 r5:c4344140 <0>[ 97.279594] r4:c4344140 <0>[ 97.282422] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 97.289849] r9:c6ab4000 r8:c03002e4 r7:00000004 r6:b6f60e00 r5:00000014 r4:00000014 <0>[ 97.297889] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 97.305739] Exception stack(0xc6ab5fa8 to 0xc6ab5ff0) <0>[ 97.311082] 5fa0: 00000014 00000014 00000001 b6e19000 00000014 00000000 <0>[ 97.319551] 5fc0: 00000014 00000014 b6f60e00 00000004 00000001 00000000 00020000 beaa2a64 <0>[ 97.328012] 5fe0: 00000004 beaa2798 b6ecb4cf b6e517e6 <0>[ 97.333356] Code: e34a3bcd e30d0e90 e34c01ac e0233002 (e5843000) <4>[ 97.339741] ---[ end trace 9a58a83fb7a00331 ]--- # Segmentation fault # [ 96.877635] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT # [ 96.884481] lkdtm: attempting bad ro_after_init write at c1b7ec60 # [ 96.893641] 8<--- cut here --- # [ 96.899760] Unable to handle kernel paging request at virtual address c1b7ec60 # [ 96.909592] pgd = 59047b8c # [ 96.914909] [c1b7ec60] *pgd=11a1941e(bad) # [ 96.922058] Internal error: Oops: 80d [#13] SMP ARM # [ 96.929971] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan dw_hdmi_imx dw_hdmi can_dev etnaviv parallel_display imxdrm gpu_sched imx_ipu_v3 # [ 96.961951] CPU: 3 PID: 2456 Comm: cat Tainted: G D W 5.10.173-cip27 #1 # [ 96.972641] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 96.981621] PC is at lkdtm_WRITE_RO_AFTER_INIT+0x64/0x70 # [ 96.990059] LR is at __irq_work_queue_local+0x40/0x74 # [ 96.997976] pc : [] lr : [] psr: 600e0013 # [ 97.006849] sp : c6ab5e50 ip : c6ab5d58 fp : c6ab5e64 # [ 97.014338] r10: 00000014 r9 : c1acd098 r8 : c15e8b44 # [ 97.021916] r7 : c6ab5f60 r6 : 00000014 r5 : c4450000 r4 : c1b7ec60 # [ 97.030963] r3 : fe67479e r2 : 55aa55aa r1 : ef7c05e0 r0 : c1acde90 # [ 97.039845] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 97.049589] Control: 10c5387d Table: 146b004a DAC: 00000051 # [ 97.057860] Process cat (pid: 2456, stack limit = 0x773b1d88) # [ 97.066215] Stack: (0xc6ab5e50 to 0xc6ab6000) # [ 97.073016] 5e40: 00000029 c4450000 c6ab5e74 c6ab5e68 # [ 97.084065] 5e60: c0c36240 c1360d58 c6ab5e9c c6ab5e78 c0c36740 c0c36220 c0c36620 c4344140 # [ 97.095200] 5e80: b6e19000 00000014 c53183c0 c6ab5f60 c6ab5ec4 c6ab5ea0 c07e0a5c c0c3662c # [ 97.106333] 5ea0: 00000000 c4344140 b6e19000 c2815800 c6ab5f60 c07e09f8 c6ab5f5c c6ab5ec8 # [ 97.117467] 5ec0: c0597f58 c07e0a04 00000001 00000000 c0598504 c1375478 c0598504 c6ab4000 # [ 97.128603] 5ee0: b6e19000 00020000 00000004 00000014 0001ffec c6ab5ee0 00000001 b6e18000 # [ 97.139649] 5f00: c44eba40 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 97.148182] 5f20: 00000000 00000000 c1375478 67ead0c3 c205dcc0 c4344140 c4344140 c6ab4000 # [ 97.156650] 5f40: b6e19000 00000000 00000000 00000004 c6ab5f94 c6ab5f60 c0598504 c0597e58 # [ 97.165118] 5f60: 00000000 00000000 c6ab5fac 67ead0c3 00000014 00000014 b6f60e00 00000004 # [ 97.173585] 5f80: c03002e4 c6ab4000 c6ab5fa4 c6ab5f98 c0598594 c059849c 00000000 c6ab5fa8 # [ 97.182051] 5fa0: c03000c0 c0598588 00000014 00000014 00000001 b6e19000 00000014 00000000 # [ 97.190520] 5fc0: 00000014 00000014 b6f60e00 00000004 00000001 00000000 00020000 beaa2a64 # [ 97.198988] 5fe0: 00000004 beaa2798 b6ecb4cf b6e517e6 800e0030 00000001 00000000 00000000 # [ 97.207442] Backtrace: # [ 97.210211] [] (lkdtm_WRITE_RO_AFTER_INIT) from [] (lkdtm_do_action+0x2c/0x4c) # [ 97.219457] r5:c4450000 r4:00000029 # [ 97.223329] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 97.231638] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 97.239848] r9:c6ab5f60 r8:c53183c0 r7:00000014 r6:b6e19000 r5:c4344140 r4:c0c36620 # [ 97.247897] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 97.256018] r9:c07e09f8 r8:c6ab5f60 r7:c2815800 r6:b6e19000 r5:c4344140 r4:00000000 # [ 97.264057] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 97.271485] r10:00000004 r9:00000000 r8:00000000 r7:b6e19000 r6:c6ab4000 r5:c4344140 # [ 97.279594] r4:c4344140 # [ 97.282422<6>[ 97.822202] lkdtm: Performing direct entry WRITE_KERN ] [] (ksys_write) from <6>[ 97.830097] lkdtm: attempting bad 7511156 byte write at c1360c24 [] (sys_write+0x18/0x1c<1>[ 97.839198] 8<--- cut here --- ) # [ 97.289849] r9:c<61a>b[4 97.845342] Unable to handle kernel paging request at virtual address c1360c24 000 r8:c0300<21e>4[ r 7 :9070.0855251] pgd = a9062dee 0004 r6:b6f60e00 r5:00000014< 1r>[ 97.860127] [c1360c24] *pgd=1121940e(bad) :00000014 # [ 97<.0>2[9 7 8 897.867004] Internal error: Oops: 80d [#14] SMP ARM ] [] (sys_write) from [<4>[ 97.874308] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan dw_hdmi_imx dw_hdmi can_dev etnaviv parallel_display imxdrm gpu_sched imx_ipu_v3 ] (ret_ft[_ s y s97.906270] CPU: 3 PID: 2530 Comm: cat Tainted: G D W 5.10.173-cip27 #1 all+0x0/0x2<84)> [ # [9 7 . 996436] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 7.305739] Exception sta([0 x 97.925056] PC is at memcpy+0x50/0x330 c6ab5fa8 to 0xc65[f f 0 )9 7.931402] LR is at 0xe92dd830 # [ 97.31<140>8[2 ] 59f7a.9036882] pc : [] lr : [] psr: 200e0013 < 4 > [ 9 7 .09045230] sp : c6e8be2c ip : e1a0c00d fp : c6e8be64 00014 000<040>0[1 4 09070.09050536] r10: 0000000b r9 : c1acd0ac r8 : e89da800 01 b6e190<040> [0 0 0 09070.19549756] r7 : e8bd4000 r6 : e52de004 r5 : e24cb004 r4 : e92dd800 00000000 <#4 >[[ 9977..39168277] r3 : e1a0c00d r2 : 00729bd4 r1 : c0c36fd0 r0 : c1360c24 551] 5fc0: <040>0[0 0 0 1947 .0906888] Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none 000014 b6f6<04e>0[0 0 0970.09086103] Control: 10c5387d Table: 16c7804a DAC: 00000051 04 00000001 0<000>0[0 0 0 09 70.093931] Process cat (pid: 2530, stack limit = 0x330bab88) 020000 beaa24[ # 9[8 . 001845] Stack: (0xc6e8be2c to 0xc6e8c000) 97.328012] 5fe0:< 00>0[0 0 0 0908.008373] be20: c0c36fb0 00729c74 c6e8bf60 c15e8b44 c1360c24 beaa2798 b6ecb4 [b 6 e9581018891] be40: c1360c24 c1360e08 0000002a c5f8a000 0000000b c6e8bf60 c6e8be74 c6e8be68 7e6 # [ 97.3<303>3[5 6 ] 9C8o029322] be60: c0c36240 c1360dc8 c6e8be9c c6e8be78 c0c36740 c0c36220 c0c36620 c69ca000 de: e34a3bcd e<300>d[0 e 9 09 8e.039753] be80: b6e48000 0000000b c53183c0 c6e8bf60 c6e8bec4 c6e8bea0 c07e0a5c c0c3662c 4c01ac e023300<20 >([e 5 8 49380.050184] bea0: 00000000 c69ca000 b6e48000 c2815800 c6e8bf60 c07e09f8 c6e8bf5c c6e8bec8 0) # [ 97.3<309>7[4 1 ] 9 8-.060617] bec0: c0597f58 c07e0a04 00000001 00000000 c0598504 c1375478 c0598504 c6e8a000 -[ end trace 9a<508>a[8 3 f b978a071048] bee0: b6e48000 00020000 00000004 0000000b 0001fff5 c6e8bee0 00000001 b6e47000 00331 ]--- # I[T E _ R9O8_.081479] bf00: c472bcc0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 FTER_INIT: missi [' c a l9l8.091912] bf20: 00000000 00000000 c1375478 e847e147 c205dcc0 c69ca000 c69ca000 c6e8a000 trace:': [FAIL] t[ o k9 8.102430] bf40: b6e48000 00000000 00000000 00000004 c6e8bf94 c6e8bf60 c0598504 c0597e58 0 selftests: lkm[: W R9I8T112949] bf60: 00000000 00000000 c6e8bfac e847e147 0000000b 0000000b b6f8fe00 00000004 E_RO_AFTER_IN.[s h #9 8e.x23381] bf80: c03002e4 c6e8a000 c6e8bfa4 c6e8bf98 c0598594 c059849c 00000000 c6e8bfa8 it=1 # selftes[: l k9d8t.133727] bfa0: c03000c0 c0598588 0000000b 0000000b 00000001 b6e48000 0000000b 00000000 : WRITE_KERN.sh< 0 >[ 98.144159] bfc0: 0000000b 0000000b b6f8fe00 00000004 00000001 00000000 00020000 bef21a64 <0>[ 98.154069] bfe0: 00000004 bef21798 b6efa4cf b6e807e6 800e0030 00000001 00000000 00000000 <0>[ 98.162509] Backtrace: <0>[ 98.165243] [] (lkdtm_WRITE_KERN) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 98.173691] r7:c6e8bf60 r6:0000000b r5:c5f8a000 r4:0000002a <0>[ 98.179623] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 98.187904] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 98.196091] r9:c6e8bf60 r8:c53183c0 r7:0000000b r6:b6e48000 r5:c69ca000 r4:c0c36620 <0>[ 98.204112] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 98.212211] r9:c07e09f8 r8:c6e8bf60 r7:c2815800 r6:b6e48000 r5:c69ca000 r4:00000000 <0>[ 98.220226] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 98.227631] r10:00000004 r9:00000000 r8:00000000 r7:b6e48000 r6:c6e8a000 r5:c69ca000 <0>[ 98.235724] r4:c69ca000 <0>[ 98.238527] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 98.245930] r9:c6e8a000 r8:c03002e4 r7:00000004 r6:b6f8fe00 r5:0000000b r4:0000000b <0>[ 98.253946] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 98.261780] Exception stack(0xc6e8bfa8 to 0xc6e8bff0) <0>[ 98.267103] bfa0: 0000000b 0000000b 00000001 b6e48000 0000000b 00000000 <0>[ 98.275547] bfc0: 0000000b 0000000b b6f8fe00 00000004 00000001 00000000 00020000 bef21a64 <0>[ 98.283991] bfe0: 00000004 bef21798 b6efa4cf b6e807e6 <0>[ 98.289312] Code: f5d1f05c f5d1f07c e8b151f8 e2522020 (e8a051f8) <4>[ 98.295674] ---[ end trace 9a58a83fb7a00332 ]--- # Segmentation fault # [ 97.822202] lkdtm: Performing direct entry WRITE_KERN # [ 97.830097] lkdtm: attempting bad 7511156 byte write at c1360c24 # [ 97.839198] 8<--- cut here --- # [ 97.845342] Unable to handle kernel paging request at virtual address c1360c24 # [ 97.855251] pgd = a9062dee # [ 97.860127] [c1360c24] *pgd=1121940e(bad) # [ 97.867004] Internal error: Oops: 80d [#14] SMP ARM # [ 97.874308] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan dw_hdmi_imx dw_hdmi can_dev etnaviv parallel_display imxdrm gpu_sched imx_ipu_v3 # [ 97.906270] CPU: 3 PID: 2530 Comm: cat Tainted: G D W 5.10.173-cip27 #1 # [ 97.916436] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 97.925056] PC is at memcpy+0x50/0x330 # [ 97.931402] LR is at 0xe92dd830 # [ 97.936882] pc : [] lr : [] psr: 200e0013 # [ 97.945230] sp : c6e8be2c ip : e1a0c00d fp : c6e8be64 # [ 97.952536] r10: 0000000b r9 : c1acd0ac r8 : e89da800 # [ 97.959756] r7 : e8bd4000 r6 : e52de004 r5 : e24cb004 r4 : e92dd800 # [ 97.968277] r3 : e1a0c00d r2 : 00729bd4 r1 : c0c36fd0 r0 : c1360c24 # [ 97.976888] Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 97.986103] Control: 10c5387d Table: 16c7804a DAC: 00000051 # [ 97.993931] Process cat (pid: 2530, stack limit = 0x330bab88) # [ 98.001845] Stack: (0xc6e8be2c to 0xc6e8c000) # [ 98.008373] be20: c0c36fb0 00729c74 c6e8bf60 c15e8b44 c1360c24 # [ 98.018891] be40: c1360c24 c1360e08 0000002a c5f8a000 0000000b c6e8bf60 c6e8be74 c6e8be68 # [ 98.029322] be60: c0c36240 c1360dc8 c6e8be9c c6e8be78 c0c36740 c0c36220 c0c36620 c69ca000 # [ 98.039753] be80: b6e48000 0000000b c53183c0 c6e8bf60 c6e8bec4 c6e8bea0 c07e0a5c c0c3662c # [ 98.050184] bea0: 00000000 c69ca000 b6e48000 c2815800 c6e8bf60 c07e09f8 c6e8bf5c c6e8bec8 # [ 98.060617] bec0: c0597f58 c07e0a04 00000001 00000000 c0598504 c1375478 c0598504 c6e8a000 # [ 98.071048] bee0: b6e48000 00020000 00000004 0000000b 0001fff5 c6e8bee0 00000001 b6e47000 # [ 98.081479] bf00: c472bcc0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 98.091912] bf20: 00000000 00000000 c1375478 e847e147 c205dcc0 c69ca000 c69ca000 c6e8a000 # [ 98.102430] bf40: b6e48000 00000000 00000000 00000004 c6e8bf94 c6e8bf60 c0598504 c0597e58 # [ 98.112949] bf60: 00000000 00000000 c6e8bfac e847e147 0000000b 0000000b b6f8fe00 00000004 # [ 98.123381] bf80: c03002e4 c6e8a000 c6e8bfa4 c6e8bf98 c0598594 c059849c 00000000 c6e8bfa8 # [ 98.133727] bfa0: c03000c0 c0598588 0000000b 0000000b 00000001 b6e48000 0000000b 00000000 # [ 98.144159] bfc0: 0000000b 0000000b b6f8fe00 00000004 00000001 00000000 00020000 bef21a64 # [ 98.154069] bfe0: 00000004 bef21798 b6efa4cf b6e807e6 800e0030 00000001 00000000 00000000 # [ 98.162509] Backtrace: # [ 98.165243] [] (lkdtm_WRITE_KERN) from [] (lkdtm_do_action+0x2c/0x4c) # [ 98.173691] r7:c6e8bf60 r6:0000000b r5:c5f8a000 r4:0000002a # [ 98.179623] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 98.187904] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 98.196091] r9:c6e8bf60 r8:c53183c0 r7:0000000b r6:b6e48000 r5:c69ca000 r4:c0c36620 # [ 98.204112] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 98.212211] r9:c07e09f8 r8:c6e8bf60 r7:c2815800 r6:b6e48000 r5:c69ca000 r4:00000000 # [ 98.220226] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 98.227631] r10:00000004 r9:00000000 r8:00000000 r7:b6e48000 r6:c6e8a000 r5:c69ca000 # [ 98.235724] r4:c69ca000 # [ 98.238527] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 98.245930] r9:c6e8a000 r8:c03002e4 r<6>[ 98.765920] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW 7:00000004 r6:b6f8fe00 r5:0000000<6>[ 98.772946] lkdtm: attempting good refcount_inc() without overflow b r4:0000000b # [ 98.253946] [<6>[ 98.782428] lkdtm: attempting bad refcount_inc() overflow ] (sys_write) from [[ 98.790925] ------------[ cut here ]------------ 3000c0>] (ret_fast_syscall+0x0/0x<4>[ 98.798827] WARNING: CPU: 0 PID: 2605 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 28) # [ 98.261780] Exception s<4>[ 98.810339] refcount_t: saturated; leaking memory. tack(0xc6e8bfa8 to 0xc6e8bff0) #<4>[ 98.818343] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan dw_hdmi_imx dw_hdmi can_dev etnaviv parallel_display imxdrm gpu_sched imx_ipu_v3 [ 98.267103] bfa0: <4>[ 98.850272] CPU: 0 PID: 2605 Comm: cat Tainted: G D W 5.10.173-cip27 #1 <4>[ 98.861093] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 98.867885] Backtrace: <4>[ 98.870620] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 98.878458] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcf8 <4>[ 98.884393] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 98.891981] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 98.899211] r9:00000009 r8:c0874538 r7:00000016 r6:00000009 r5:c0874538 r4:c1a210e4 <4>[ 98.907226] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 98.914974] r7:00000016 r6:c1a210e4 r5:c1a210bc r4:c4038000 <4>[ 98.920907] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) <4>[ 98.930133] r9:c1acd0b8 r8:c15e8b44 r7:c4039f60 r6:00000016 r5:c6e5f000 r4:c4038000 <4>[ 98.938152] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) <4>[ 98.948079] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_OVERFLOW+0x78/0x9c) <4>[ 98.958440] [] (lkdtm_REFCOUNT_INC_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 98.967836] r4:0000002b <4>[ 98.970641] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 98.978920] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 98.987106] r9:c4039f60 r8:c53183c0 r7:00000016 r6:b6e56000 r5:c47dec80 r4:c0c36620 <4>[ 98.995125] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 99.003222] r9:c07e09f8 r8:c4039f60 r7:c2815800 r6:b6e56000 r5:c47dec80 r4:00000000 <4>[ 99.011235] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 99.018639] r10:00000004 r9:00000000 r8:00000000 r7:b6e56000 r6:c4038000 r5:c47dec80 <4>[ 99.026732] r4:c47dec80 <4>[ 99.029535] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 99.036938] r9:c4038000 r8:c03002e4 r7:00000004 r6:b6f9de00 r5:00000016 r4:00000016 <4>[ 99.044954] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 99.052789] Exception stack(0xc4039fa8 to 0xc4039ff0) <4>[ 99.058109] 9fa0: 00000016 00000016 00000001 b6e56000 00000016 00000000 <4>[ 99.066554] 9fc0: 00000016 00000016 b6f9de00 00000004 00000001 00000000 00020000 bea6ca64 <4>[ 99.074998] 9fe0: 00000004 bea6c798 b6f084cf b6e8e7e6 0000000b 0000000b 00000001<4>[ 99.080375] irq event stamp: 0 b6e48000 0000000b 00000000 # [ <4>[ 99.086584] hardirqs last enabled at (0): [<00000000>] 0x0 98.275547] bfc0: 0000000b 00000<4>[ 99.095312] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1980 00b b6f8fe00 00000004 00000001 00<4>[ 99.105961] softirqs last enabled at (0): [] copy_process+0x5f8/0x1980 000000 00020000 bef21a64 # [ 9<4>[ 99.116581] softirqs last disabled at (0): [<00000000>] 0x0 8.283991] bfe0: 00000004 bef21798<4>[ 99.125287] ---[ end trace 9a58a83fb7a00333 ]--- b6efa4cf b6e807e6 # [ 98.2893<6>[ 99.133050] lkdtm: Overflow detected: saturated 12] Code: f5d1f05c f5d1f07c e8b151f8 e2522020 (e8a051f8) # [ 98.295674] ---[ end trace 9a58a83fb7a00332 ]--- # WRITE_KERN: missing 'call trace:': [FAIL] not ok 41 selftests: lkdtm: WRITE_KERN.sh # exit=1 # selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh # [ 98.765920] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW # [ 98.772946] lkdtm: attempting good refcount_inc() without overflow # [ 98.782428] lkdtm: attempting bad refcount_inc() overflow # [ 98.790925] ------------[ cut here ]------------ # [ 98.798827] WARNING: CPU: 0 PID: 2605 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 98.810339] refcount_t: saturated; leaking memory. # [ 98.818343] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan dw_hdmi_imx dw_hdmi can_dev etnaviv parallel_display imxdrm gpu_sched imx_ipu_v3 # [ 98.850272] CPU: 0 PID: 2605 Comm: cat Tainted: G D W 5.10.173-cip27 #1 # [ 98.861093] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 98.867885] Backtrace: # [ 98.870620] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 98.878458] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcf8 # [ 98.884393] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 98.891981] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 98.899211] r9:00000009 r8:c0874538 r7:00000016 r6:00000009 r5:c0874538 r4:c1a210e4 # [ 98.907226] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 98.914974] r7:00000016 r6:c1a210e4 r5:c1a210bc r4:c4038000 # [ 98.920907] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 98.930133] r9:c1acd0b8 r8:c15e8b44 r7:c4039f60 r6:00000016 r5:c6e5f000 r4:c4038000 # [ 98.938152] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 98.948079] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_OVERFLOW+0x78/0x9c) # [ 98.958440] [] (lkdtm_REFCOUNT_INC_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 98.967836] r4:0000002b # [ 98.970641] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 98.978920] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 98.987106] r9:c4039f60 r8:c53183c0 r7:00000016 r6:b6e56000 r5:c47dec80 r4:c0c36620 # [ 98.995125] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 99.003222] r9:c07e09f8 r8:c4039f60 r7:c2815800 r6:b6e56000 r5:c47dec80 r4:00000000 # [ 99.011235] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 99.018639] r10:00000004 r9:00000000 r8:00000000 r7:b6e56000 r6:c4038000 r5:c47dec80 # [ 99.026732] r4:c47dec80 # [ 99.029535] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 99.036938] r9:c4038000 r8:c03002e4 r7:00000004 r6:b6f9de00 r5:00000016 r4:00000016 # [ 99.044954] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 99.052789] Exception stack(0xc4039fa8 to 0xc4039ff0) # [ 99.058109] 9fa0: 00000016 00000016 00000001 b6e56000 00000016 00000000 # [ 99.066554] 9fc0: 00000016 00000016 b6f9de00 00000004 00000001 00000000 00020000 bea6ca64 # [ 99.074998] 9fe0: 00000004 bea6c798 b6f084cf b6e8e7e6 # [ 99.080375] irq event stamp: 0 # [ 99.086584] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 99.095312] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1980 # [ 99.105961] softirqs last enabled at (0): [] copy_process+0x5f8/0x1980 # [ 99.116581] softirqs last disabled at (0): [<00000000>] 0x0 # [ 99.125287] ---[ end trace 9a58a83fb7a0033<6>[ 99.549591] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW 3 ]--- # [ 99.133050] lkdtm: O<6>[ 99.558196] lkdtm: attempting good refcount_add() without overflow verflow detected: saturated # RE<6>[ 99.567596] lkdtm: attempting bad refcount_add() overflow FCOUNT_INC_OVERFLOW: missing 'cal<4>[ 99.576045] ------------[ cut here ]------------ l trace:': [FAIL] not ok 42 self<4>[ 99.583790] WARNING: CPU: 1 PID: 2639 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 tests: lkdtm: REFCOUNT_INC_OVERFL<4>[ 99.595348] refcount_t: saturated; leaking memory. OW.sh # exit=1 # selftests: lkdt<4>[ 99.603235] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan dw_hdmi_imx dw_hdmi can_dev etnaviv parallel_display imxdrm gpu_sched imx_ipu_v3 m: REFCOUNT_ADD_OVERFLOW.sh <4>[ 99.635213] CPU: 1 PID: 2639 Comm: cat Tainted: G D W 5.10.173-cip27 #1 <4>[ 99.645683] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 99.652478] Backtrace: <4>[ 99.655214] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 99.663053] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcf8 <4>[ 99.668986] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 99.676569] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 99.683800] r9:00000009 r8:c0874538 r7:00000016 r6:00000009 r5:c0874538 r4:c1a210e4 <4>[ 99.691817] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 99.699567] r7:00000016 r6:c1a210e4 r5:c1a210bc r4:c6978000 <4>[ 99.705499] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) <4>[ 99.714726] r9:c1acd0d0 r8:c15e8b44 r7:c6979f60 r6:00000016 r5:c6d06000 r4:c6978000 <4>[ 99.722744] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) <4>[ 99.732673] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_OVERFLOW+0x84/0xa8) <4>[ 99.743032] [] (lkdtm_REFCOUNT_ADD_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 99.752429] r4:0000002c <4>[ 99.755234] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 99.763514] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 99.771699] r9:c6979f60 r8:c53183c0 r7:00000016 r6:b6e96000 r5:c4199b80 r4:c0c36620 <4>[ 99.779718] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 99.787817] r9:c07e09f8 r8:c6979f60 r7:c2815800 r6:b6e96000 r5:c4199b80 r4:00000000 <4>[ 99.795830] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 99.803234] r10:00000004 r9:00000000 r8:00000000 r7:b6e96000 r6:c6978000 r5:c4199b80 <4>[ 99.811328] r4:c4199b80 <4>[ 99.814133] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 99.821536] r9:c6978000 r8:c03002e4 r7:00000004 r6:b6fdde00 r5:00000016 r4:00000016 <4>[ 99.829552] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 99.837386] Exception stack(0xc6979fa8 to 0xc6979ff0) <4>[ 99.842708] 9fa0: 00000016 00000016 00000001 b6e96000 00000016 00000000 <4>[ 99.851157] 9fc0: 00000016 00000016 b6fdde00 00000004 00000001 00000000 00020000 bed08a64 <4>[ 99.859600] 9fe0: 00000004 bed08798 b6f484cf b6ece7e6 <4>[ 99.864990] irq event stamp: 0 <4>[ 99.868346] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 99.874231] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1980 <4>[ 99.881989] softirqs last enabled at (0): [] copy_process+0x5f8/0x1980 <4>[ 99.889777] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 99.895648] ---[ end trace 9a58a83fb7a00334 ]--- <6>[ 99.900538] lkdtm: Overflow detected: saturated # [ 99.549591] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW # [ 99.558196] lkdtm: attempting good refcount_add() without overflow # [ 99.567596] lkdtm: attempting bad refcount_add() overflow # [ 99.576045] ------------[ cut here ]------------ # [ 99.583790] WARNING: CPU: 1 PID: 2639 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 99.595348] refcount_t: saturated; leaking memory. # [ 99.603235] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan dw_hdmi_imx dw_hdmi can_dev etnaviv parallel_display imxdrm gpu_sched imx_ipu_v3 # [ 99.635213] CPU: 1 PID: 2639 Comm: cat Tainted: G D W 5.10.173-cip27 #1 # [ 99.645683] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 99.652478] Backtrace: # [ 99.655214] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 99.663053] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcf8 # [ 99.668986] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 99.676569] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 99.683800] r9:00000009 r8:c0874538 r7:00000016 r6:00000009 r5:c0874538 r4:c1a210e4 # [ 99.691817] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 99.699567] r7:00000016 r6:c1a210e4 r5:c1a210bc r4:c6978000 # [ 99.705499] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 99.714726] r9:c1acd0d0 r8:c15e8b44 r7:c6979f60 r6:00000016 r5:c6d06000 r4:c6978000 # [ 99.722744] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 99.732673] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_OVERFLOW+0x84/0xa8) # [ 99.743032] [] (lkdtm_REFCOUNT_ADD_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 99.752429] r4:0000002c # [ 99.755234] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 99.763514] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 99.771699] r9:c6979f60 r8:c53183c0 r7:00000016 r6:b6e96000 r5:c4199b80 r4:c0c36620 # [ 99.779718] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 99.787817] r9:c07e09f8 r8:c6979f60 r7:c2815800 r6:b6e96000 r5:c4199b80 r4:00000000 # [ 99.795830] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 99.803234] r10:00000004 r9:00000000 r8:00000000 r7:b6e96000 r6:c6978000 r5:c4199b80 # [ 99.811328] r4:c4199b80 # [ 99.814133] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 99.821536] r9:c6978000 r8:c03002e4 r7:00000004 r6:b6fdde00 r5:00000016 r4:00000016 # [ 99.829552] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 99.837386] Exception stack(0xc6979fa8 to 0xc6979ff0) # [ 99.842708] 9fa0: 00000016 00000016 00000001 b6e96000 00000016 00000000 # [ 99.851157] 9fc0: 00000016 00000016 b6fdde00 00000004 00000001 00000000 00020000 bed08a64 # [ 99.859600] 9fe0: 00000004 bed08798 b6f484cf b6ece7e6 # [ 99.864990] irq event stamp: 0 # [ 99.868346] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 99.874231] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1980 # [ 99.881989] softirqs last enabled at (0): [] copy_process+0x5f8/0x1980 # [ 99.889777] softirqs last disabled at (0): [<00000000>] 0x0 <6>[ 100.302536] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 99.895648] ---[ end trace 9<6>[ 100.310419] lkdtm: attempting bad refcount_inc_not_zero() overflow a58a83fb7a00334 ]--- # [ 99.90<4>[ 100.319690] ------------[ cut here ]------------ 0538] lkdtm: Overflow detected: s<4>[ 100.327468] WARNING: CPU: 2 PID: 2673 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 aturated # REFCOUNT_ADD_OVERFLOW<4>[ 100.339014] refcount_t: saturated; leaking memory. : missing 'call trace:': [FAIL] <4>[ 100.346940] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan dw_hdmi_imx dw_hdmi can_dev etnaviv parallel_display imxdrm gpu_sched imx_ipu_v3 not ok 43 selftests: lkdtm: REFCO<4>[ 100.378905] CPU: 2 PID: 2673 Comm: cat Tainted: G D W 5.10.173-cip27 #1 UNT_ADD_OVEL[O W .1s0h0. 3#89720] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) exit=1 # selftes:[ l k1d0t.398328] Backtrace: m: REFCOUNT_INC_NOT_ZERO_OVERFLOW<4>[ 100.403136] [] (dump_backtrace) from [] (show_stack+0x20/0x24) .sh <4>[ 100.413816] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcf8 <4>[ 100.420171] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 100.427755] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 100.434987] r9:00000009 r8:c0874504 r7:00000013 r6:00000009 r5:c0874504 r4:c1a210e4 <4>[ 100.443003] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 100.450751] r7:00000013 r6:c1a210e4 r5:c1a210bc r4:c4596000 <4>[ 100.456685] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) <4>[ 100.465911] r9:c1acd0e8 r8:c15e8b44 r7:c4597f60 r6:0000001f r5:c6d20000 r4:7fffffff <4>[ 100.473928] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) <4>[ 100.484635] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x50/0x88) <4>[ 100.496550] r5:c6d20000 r4:c4596000 <4>[ 100.500401] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 100.510581] r4:0000002d <4>[ 100.513386] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 100.521665] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 100.529852] r9:c4597f60 r8:c53183c0 r7:0000001f r6:b6e9f000 r5:c472adc0 r4:c0c36620 <4>[ 100.537871] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 100.545970] r9:c07e09f8 r8:c4597f60 r7:c2815800 r6:b6e9f000 r5:c472adc0 r4:00000000 <4>[ 100.553984] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 100.561386] r10:00000004 r9:00000000 r8:00000000 r7:b6e9f000 r6:c4596000 r5:c472adc0 <4>[ 100.569481] r4:c472adc0 <4>[ 100.572286] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 100.579688] r9:c4596000 r8:c03002e4 r7:00000004 r6:b6fe6e00 r5:0000001f r4:0000001f <4>[ 100.587704] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 100.595539] Exception stack(0xc4597fa8 to 0xc4597ff0) <4>[ 100.600860] 7fa0: 0000001f 0000001f 00000001 b6e9f000 0000001f 00000000 <4>[ 100.609308] 7fc0: 0000001f 0000001f b6fe6e00 00000004 00000001 00000000 00020000 bec86a64 <4>[ 100.617754] 7fe0: 00000004 bec86798 b6f514cf b6ed77e6 <4>[ 100.623140] irq event stamp: 0 <4>[ 100.626478] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 100.632329] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1980 <4>[ 100.640129] softirqs last enabled at (0): [] copy_process+0x5f8/0x1980 <4>[ 100.647922] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 100.653798] ---[ end trace 9a58a83fb7a00335 ]--- <6>[ 100.658687] lkdtm: Overflow detected: saturated # [ 100.302536] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 100.310419] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 100.319690] ------------[ cut here ]------------ # [ 100.327468] WARNING: CPU: 2 PID: 2673 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 100.339014] refcount_t: saturated; leaking memory. # [ 100.346940] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan dw_hdmi_imx dw_hdmi can_dev etnaviv parallel_display imxdrm gpu_sched imx_ipu_v3 # [ 100.378905] CPU: 2 PID: 2673 Comm: cat Tainted: G D W 5.10.173-cip27 #1 # [ 100.389720] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 100.398328] Backtrace: # [ 100.403136] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 100.413816] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcf8 # [ 100.420171] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 100.427755] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 100.434987] r9:00000009 r8:c0874504 r7:00000013 r6:00000009 r5:c0874504 r4:c1a210e4 # [ 100.443003] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 100.450751] r7:00000013 r6:c1a210e4 r5:c1a210bc r4:c4596000 # [ 100.456685] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 100.465911] r9:c1acd0e8 r8:c15e8b44 r7:c4597f60 r6:0000001f r5:c6d20000 r4:7fffffff # [ 100.473928] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 100.484635] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x50/0x88) # [ 100.496550] r5:c6d20000 r4:c4596000 # [ 100.500401] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 100.510581] r4:0000002d # [ 100.513386] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 100.521665] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 100.529852] r9:c4597f60 r8:c53183c0 r7:0000001f r6:b6e9f000 r5:c472adc0 r4:c0c36620 # [ 100.537871] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 100.545970] r9:c07e09f8 r8:c4597f60 r7:c2815800 r6:b6e9f000 r5:c472adc0 r4:00000000 # [ 100.553984] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 100.561386] r10:00000004 r9:00000000 r8:00000000 r7:b6e9f000 r6:c4596000 r5:c472adc0 # [ 100.569481] r4:c472adc0 # [ 100.572286] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 100.579688] r9:c4596000 r8:c03002e4 r7:00000004 r6:b6fe6e00 r5:0000001f r4:0000001f # [ 100.587704] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 100.595539] Exception stack(0xc4597fa8 to 0xc4597ff0) # [ 100.600860] 7fa0: 0000001f 0000001f 00000001 b6e9f000 0000001f 00000000 # [ 100.609308] 7fc0: 0000001f 0000001f b6fe6e00 00000004 00000001 00000000 00020000 bec86a64 # [ 100.617754] 7fe0: 00000004 bec86798 b6f514cf b6ed77e6 # [ 100.623140] irq event stamp: 0 # [ 100.626478] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 100.632329] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1980 # [ 100.640129] softirqs last enabled at (0): [] copy_process+0x5f8/0x1980 # [ 100.647922] softirqs last disabled at (0): [<00000000>] 0x0 # [ 100.653798] ---[ end trace 9a58a83fb7a00335 ]--- # [ 100.658687] lkdtm: Overflow detected: saturated # REF<6>[ 101.073462] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW COUNT_INC_NOT_ZERO_OVF[L O101.082400] lkdtm: attempting bad refcount_add_not_zero() overflow : missing 'call trace:': [FAIL] <4>[ 101.091184] ------------[ cut here ]------------ not ok 44 selftests: lkdtm: REFCO<4>[ 101.098949] WARNING: CPU: 3 PID: 2707 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 UNT_INC_NOT_ZERO_OVERFLOW.sh # ex<4>[ 101.110491] refcount_t: saturated; leaking memory. it=1 # selftests: lkdtm: REFCOUN<4>[ 101.118412] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan dw_hdmi_imx dw_hdmi can_dev etnaviv parallel_display imxdrm gpu_sched imx_ipu_v3 T_ADD_NOT_ZERO_OVERFLOW.sh <4>[ 101.150356] CPU: 3 PID: 2707 Comm: cat Tainted: G D W 5.10.173-cip27 #1 <4>[ 101.160722] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 101.167516] Backtrace: <4>[ 101.170253] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 101.178092] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcf8 <4>[ 101.184026] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 101.191610] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 101.198840] r9:00000009 r8:c0874504 r7:00000013 r6:00000009 r5:c0874504 r4:c1a210e4 <4>[ 101.206856] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 101.214606] r7:00000013 r6:c1a210e4 r5:c1a210bc r4:c6afa000 <4>[ 101.220544] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) <4>[ 101.229770] r9:c1acd108 r8:c15e8b44 r7:c6afbf60 r6:0000001f r5:c4450000 r4:7fffffff <4>[ 101.237788] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) <4>[ 101.248495] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x50/0x88) <4>[ 101.260410] r5:c4450000 r4:c6afa000 <4>[ 101.264259] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 101.274440] r4:0000002e <4>[ 101.277244] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 101.285523] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 101.293711] r9:c6afbf60 r8:c53183c0 r7:0000001f r6:b6e07000 r5:c41983c0 r4:c0c36620 <4>[ 101.301732] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 101.309831] r9:c07e09f8 r8:c6afbf60 r7:c2815800 r6:b6e07000 r5:c41983c0 r4:00000000 <4>[ 101.317843] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 101.325247] r10:00000004 r9:00000000 r8:00000000 r7:b6e07000 r6:c6afa000 r5:c41983c0 <4>[ 101.333341] r4:c41983c0 <4>[ 101.336144] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 101.343549] r9:c6afa000 r8:c03002e4 r7:00000004 r6:b6f4ee00 r5:0000001f r4:0000001f <4>[ 101.351564] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 101.359398] Exception stack(0xc6afbfa8 to 0xc6afbff0) <4>[ 101.364718] bfa0: 0000001f 0000001f 00000001 b6e07000 0000001f 00000000 <4>[ 101.373164] bfc0: 0000001f 0000001f b6f4ee00 00000004 00000001 00000000 00020000 bec76a64 <4>[ 101.381607] bfe0: 00000004 bec76798 b6eb94cf b6e3f7e6 <4>[ 101.386984] irq event stamp: 0 <4>[ 101.390317] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 101.396196] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1980 <4>[ 101.403992] softirqs last enabled at (0): [] copy_process+0x5f8/0x1980 <4>[ 101.411758] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 101.417636] ---[ end trace 9a58a83fb7a00336 ]--- <6>[ 101.422527] lkdtm: Overflow detected: saturated # [ 101.073462] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 101.082400] lkdtm: attempting bad refcount_add_not_zero() overflow # [ 101.091184] ------------[ cut here ]------------ # [ 101.098949] WARNING: CPU: 3 PID: 2707 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 101.110491] refcount_t: saturated; leaking memory. # [ 101.118412] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan dw_hdmi_imx dw_hdmi can_dev etnaviv parallel_display imxdrm gpu_sched imx_ipu_v3 # [ 101.150356] CPU: 3 PID: 2707 Comm: cat Tainted: G D W 5.10.173-cip27 #1 # [ 101.160722] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 101.167516] Backtrace: # [ 101.170253] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 101.178092] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcf8 # [ 101.184026] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 101.191610] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 101.198840] r9:00000009 r8:c0874504 r7:00000013 r6:00000009 r5:c0874504 r4:c1a210e4 # [ 101.206856] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 101.214606] r7:00000013 r6:c1a210e4 r5:c1a210bc r4:c6afa000 # [ 101.220544] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 101.229770] r9:c1acd108 r8:c15e8b44 r7:c6afbf60 r6:0000001f r5:c4450000 r4:7fffffff # [ 101.237788] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 101.248495] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x50/0x88) # [ 101.260410] r5:c4450000 r4:c6afa000 # [ 101.264259] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 101.274440] r4:0000002e # [ 101.277244] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 101.285523] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 101.293711] r9:c6afbf60 r8:c53183c0 r7:0000001f r6:b6e07000 r5:c41983c0 r4:c0c36620 # [ 101.301732] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 101.309831] r9:c07e09f8 r8:c6afbf60 r7:c2815800 r6:b6e07000 r5:c41983c0 r4:00000000 # [ 101.317843] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 101.325247] r10:00000004 r9:00000000 r8:00000000 r7:b6e07000 r6:c6afa000 r5:c41983c0 # [ 101.333341] r4:c41983c0 # [ 101.336144] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 101.343549] r9:c6afa000 r8:c03002e4 r7:00000004 r6:b6f4ee00 r5:0000001f r4:0000001f # [ 101.351564] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 101.359398] Exception stack(0xc6afbfa8 to 0xc6afbff0) # [ 101.364718] bfa0: 0000001f 0000001f 00000001 b6e07000 0000001f 00000000 # [ 101.373164] bfc0: 0000001f 0000001f b6f4ee00 00000004 00000001 00000000 00020000 bec76a64 # [ 101.381607] bfe0: 00000004 bec76798 b6eb94cf b6e3f7e6 # [ 101.386984] irq event stamp: 0 # [ 101.390317] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 101.396196] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1980 # [ 101.403992] softirqs last enabled at (0): [] copy_process+0x5f8/0x1980 # [ 101.411758] softirqs last disabled at (0): [<00000000>] 0x0 # [ 101.417636] ---[ en<6>[ 101.832945] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO d trace 9a58a83fb7a00336 ]--- # <6>[ 101.839694] lkdtm: attempting good refcount_dec() [ 101.422527] lkdtm: Overflow de<6>[ 101.847549] lkdtm: attempting bad refcount_dec() to zero tected: saturated # REFCOUNT_ADD<4>[ 101.855946] ------------[ cut here ]------------ _NOT_ZERO_OVERFLOW: missing 'call<4>[ 101.863797] WARNING: CPU: 2 PID: 2741 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 trace:': [FAIL] not ok 45 selft<4>[ 101.875232] refcount_t: decrement hit 0; leaking memory. ests: lkdtm: REFCOUNT_ADD_NOT_ZER<4>[ 101.883663] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan dw_hdmi_imx dw_hdmi can_dev etnaviv parallel_display imxdrm gpu_sched imx_ipu_v3 O_OVERFLOW.sh # exit=1 # selftes<4>[ 101.915624] CPU: 2 PID: 2741 Comm: cat Tainted: G D W 5.10.173-cip27 #1 ts: lkdtm<:4 >R[ E F1C0O1U.N9T2_6448] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) EC_ZERO.sh <4>[ 101.934971] Backtrace: <4>[ 101.938734] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 101.946572] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcf8 <4>[ 101.952506] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 101.960090] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 101.967320] r9:00000009 r8:c08744d0 r7:0000001f r6:00000009 r5:c08744d0 r4:c1a210e4 <4>[ 101.975335] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 101.983084] r7:0000001f r6:c1a210e4 r5:c1a21148 r4:c6f4a000 <4>[ 101.989018] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) <4>[ 101.998246] r9:c1acd128 r8:c15e8b44 r7:c6f4bf60 r6:00000012 r5:c6a9c000 r4:c6f4a000 <4>[ 102.006263] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) <4>[ 102.016187] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_ZERO+0x5c/0xd8) <4>[ 102.026202] [] (lkdtm_REFCOUNT_DEC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 102.035252] r4:0000002f <4>[ 102.038057] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 102.046337] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 102.054524] r9:c6f4bf60 r8:c53183c0 r7:00000012 r6:b6e9a000 r5:c44ea780 r4:c0c36620 <4>[ 102.062545] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 102.070643] r9:c07e09f8 r8:c6f4bf60 r7:c2815800 r6:b6e9a000 r5:c44ea780 r4:00000000 <4>[ 102.078655] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 102.086058] r10:00000004 r9:00000000 r8:00000000 r7:b6e9a000 r6:c6f4a000 r5:c44ea780 <4>[ 102.094151] r4:c44ea780 <4>[ 102.096955] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 102.104358] r9:c6f4a000 r8:c03002e4 r7:00000004 r6:b6fe1e00 r5:00000012 r4:00000012 <4>[ 102.112373] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 102.120208] Exception stack(0xc6f4bfa8 to 0xc6f4bff0) <4>[ 102.125529] bfa0: 00000012 00000012 00000001 b6e9a000 00000012 00000000 <4>[ 102.133975] bfc0: 00000012 00000012 b6fe1e00 00000004 00000001 00000000 00020000 bed0ea64 <4>[ 102.142417] bfe0: 00000004 bed0e798 b6f4c4cf b6ed27e6 <4>[ 102.147805] irq event stamp: 0 <4>[ 102.151139] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 102.157022] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1980 <4>[ 102.164837] softirqs last enabled at (0): [] copy_process+0x5f8/0x1980 <4>[ 102.172598] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 102.178488] ---[ end trace 9a58a83fb7a00337 ]--- <6>[ 102.183407] lkdtm: Zero detected: saturated # [ 101.832945] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO # [ 101.839694] lkdtm: attempting good refcount_dec() # [ 101.847549] lkdtm: attempting bad refcount_dec() to zero # [ 101.855946] ------------[ cut here ]------------ # [ 101.863797] WARNING: CPU: 2 PID: 2741 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 # [ 101.875232] refcount_t: decrement hit 0; leaking memory. # [ 101.883663] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan dw_hdmi_imx dw_hdmi can_dev etnaviv parallel_display imxdrm gpu_sched imx_ipu_v3 # [ 101.915624] CPU: 2 PID: 2741 Comm: cat Tainted: G D W 5.10.173-cip27 #1 # [ 101.926448] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 101.934971] Backtrace: # [ 101.938734] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 101.946572] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcf8 # [ 101.952506] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 101.960090] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 101.967320] r9:00000009 r8:c08744d0 r7:0000001f r6:00000009 r5:c08744d0 r4:c1a210e4 # [ 101.975335] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 101.983084] r7:0000001f r6:c1a210e4 r5:c1a21148 r4:c6f4a000 # [ 101.989018] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) # [ 101.998246] r9:c1acd128 r8:c15e8b44 r7:c6f4bf60 r6:00000012 r5:c6a9c000 r4:c6f4a000 # [ 102.006263] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) # [ 102.016187] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_ZERO+0x5c/0xd8) # [ 102.026202] [] (lkdtm_REFCOUNT_DEC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 102.035252] r4:0000002f # [ 102.038057] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 102.046337] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 102.054524] r9:c6f4bf60 r8:c53183c0 r7:00000012 r6:b6e9a000 r5:c44ea780 r4:c0c36620 # [ 102.062545] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 102.070643] r9:c07e09f8 r8:c6f4bf60 r7:c2815800 r6:b6e9a000 r5:c44ea780 r4:00000000 # [ 102.078655] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 102.086058] r10:00000004 r9:00000000 r8:00000000 r7:b6e9a000 r6:c6f4a000 r5:c44ea780 # [ 102.094151] r4:c44ea780 # [ 102.096955] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 102.104358] r9:c6f4a000 r8:c03002e4 r7:00000004 r6:b6fe1e00 r5:00000012 r4:00000012 # [ 102.112373] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 102.120208] Exception stack(0xc6f4bfa8 to 0xc6f4bff0) # [ 102.125529] bfa0: 00000012 00000012 00000001 b6e9a000 00000012 00000000 # [ 102.133975] bfc0: 00000012 00000012 b6fe1e00 00000004 00000001 00000000 00020000 bed0ea64 # [ 102.142417] bfe0: 00000004 bed0e798 b6f4c4cf b6ed27e6 # [ 102.147805] irq event stamp: 0 # [ 102.151139] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 102.157022] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1980 # [ 102.164837] softirqs last enabled at (0): [] copy_process+0x5f8/0x1980 # [ 102.172598] softirqs last disabled at (0): [<00000000>] 0x0 # [ 102.178488] ---[ end trace 9a58a83fb7a00337 ]--- # [ 102.183407] lkdtm: Zero detected: saturated # REFCOUNT_DEC_ZERO: missing 'call trace:': [FAIL] not ok 46 selftests: lkdtm: REFCOUNT_DEC_ZERO.sh # exit=1 # selftests: <6>[ 102.611773] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE lkdtm: REFCOUNT_DEC_NEGATIVE.sh <6>[ 102.619393] lkdtm: attempting bad refcount_dec() below zero <4>[ 102.628084] ------------[ cut here ]------------ <4>[ 102.633014] WARNING: CPU: 0 PID: 2778 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 <4>[ 102.641747] refcount_t: decrement hit 0; leaking memory. <4>[ 102.647355] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan dw_hdmi_imx dw_hdmi can_dev etnaviv parallel_display imxdrm gpu_sched imx_ipu_v3 <4>[ 102.676754] CPU: 0 PID: 2778 Comm: cat Tainted: G D W 5.10.173-cip27 #1 <4>[ 102.684765] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 102.691558] Backtrace: <4>[ 102.694291] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 102.702130] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcf8 <4>[ 102.708062] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 102.715647] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 102.722877] r9:00000009 r8:c08744d0 r7:0000001f r6:00000009 r5:c08744d0 r4:c1a210e4 <4>[ 102.730890] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 102.738641] r7:0000001f r6:c1a210e4 r5:c1a21148 r4:c6afa000 <4>[ 102.744571] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) <4>[ 102.753797] r9:c1acd13c r8:c15e8b44 r7:c6afbf60 r6:00000016 r5:00000000 r4:c6afa000 <4>[ 102.761812] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) <4>[ 102.771736] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_NEGATIVE+0x48/0x70) <4>[ 102.782096] [] (lkdtm_REFCOUNT_DEC_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 102.791492] r5:c6e5f000 r4:00000030 <4>[ 102.795339] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 102.803618] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 102.811804] r9:c6afbf60 r8:c53183c0 r7:00000016 r6:b6db6000 r5:c47de000 r4:c0c36620 <4>[ 102.819823] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 102.827921] r9:c07e09f8 r8:c6afbf60 r7:c2815800 r6:b6db6000 r5:c47de000 r4:00000000 <4>[ 102.835935] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 102.843340] r10:00000004 r9:00000000 r8:00000000 r7:b6db6000 r6:c6afa000 r5:c47de000 <4>[ 102.851433] r4:c47de000 <4>[ 102.854236] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 102.861640] r9:c6afa000 r8:c03002e4 r7:00000004 r6:b6efde00 r5:00000016 r4:00000016 <4>[ 102.869656] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 102.877491] Exception stack(0xc6afbfa8 to 0xc6afbff0) <4>[ 102.882812] bfa0: 00000016 00000016 00000001 b6db6000 00000016 00000000 <4>[ 102.891259] bfc0: 00000016 00000016 b6efde00 00000004 00000001 00000000 00020000 be89ba64 <4>[ 102.899702] bfe0: 00000004 be89b798 b6e684cf b6dee7e6 <4>[ 102.905045] irq event stamp: 0 <4>[ 102.908375] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 102.914248] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1980 <4>[ 102.922005] softirqs last enabled at (0): [] copy_process+0x5f8/0x1980 <4>[ 102.929779] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 102.935642] ---[ end trace 9a58a83fb7a00338 ]--- <6>[ 102.940530] lkdtm: Negative detected: saturated # [ 102.611773] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 102.619393] lkdtm: attempting bad refcount_dec() below zero # [ 102.628084] ------------[ cut here ]------------ # [ 102.633014] WARNING: CPU: 0 PID: 2778 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 # [ 102.641747] refcount_t: decrement hit 0; leaking memory. # [ 102.647355] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan dw_hdmi_imx dw_hdmi can_dev etnaviv parallel_display imxdrm gpu_sched imx_ipu_v3 # [ 102.676754] CPU: 0 PID: 2778 Comm: cat Tainted: G D W 5.10.173-cip27 #1 # [ 102.684765] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 102.691558] Backtrace: # [ 102.694291] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 102.702130] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcf8 # [ 102.708062] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 102.715647] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 102.722877] r9:00000009 r8:c08744d0 r7:0000001f r6:00000009 r5:c08744d0 r4:c1a210e4 # [ 102.730890] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 102.738641] r7:0000001f r6:c1a210e4 r5:c1a21148 r4:c6afa000 # [ 102.744571] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) # [ 102.753797] r9:c1acd13c r8:c15e8b44 r7:c6afbf60 r6:00000016 r5:00000000 r4:c6afa000 # [ 102.761812] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) # [ 102.771736] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_NEGATIVE+0x48/0x70) # [ 102.782096] [] (lkdtm_REFCOUNT_DEC_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 102.791492] r5:c6e5f000 r4:00000030 # [ 102.795339] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 102.803618] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 102.811804] r9:c6afbf60 r8:c53183c0 r7:00000016 r6:b6db6000 r5:c47de000 r4:c0c36620 # [ 102.819823] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 102.827921] r9:c07e09f8 r8:c6afbf60 r7:c2815800 r6:b6db6000 r5:c47de000 r4:00000000 # [ 102.835935] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 102.843340] r10:00000004 r9:00000000 r8:00000000 r7:b6db6000 r6:c6afa000 r5:c47de000 # [ 102.851433] r4:c47de000 # [ 102.854236] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 102.861640] r9:c6afa000 r8:c03002e4 r7:00000004 r6:b6efde00 r5:00000016 r4:00000016 # [ 102.869656] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 102.877491] Exception stack(0xc6afbfa8 to 0xc6afbff0) # [ 102.882812] bfa0: 00000016 00000016 00000001 b6db6000 00000016 00000000 # [ 102.891259] bfc0: 00000016 00000016 b6efde00 00000004 00000001 00000000 00020000 be89ba64 # [ 102.899702] bfe0: 00000004 be89b798 b6e684cf b6dee7e6 # [ 102.905045] irq event stamp: 0 # [ 102.908375] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 102.914248] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1980 # [ 102.922005] softirqs last enabled at (0): [] copy_process+0x5f8/0x1980 # [ 102.929779] softirqs last disabled at (0): [<00000000>] 0x0 # [ 102.935642] ---[ end trace 9a58a83fb7a00338 ]--- # [ 102.940530] 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 <6>[ 103.387507] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE <6>[ 103.394636] lkdtm: attempting bad refcount_dec_and_test() below zero <4>[ 103.401262] ------------[ cut here ]------------ <4>[ 103.406224] WARNING: CPU: 1 PID: 2813 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 <4>[ 103.415052] refcount_t: underflow; use-after-free. <4>[ 103.420114] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan dw_hdmi_imx dw_hdmi can_dev etnaviv parallel_display imxdrm gpu_sched imx_ipu_v3 <4>[ 103.449574] CPU: 1 PID: 2813 Comm: cat Tainted: G D W 5.10.173-cip27 #1 <4>[ 103.457584] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 103.464377] Backtrace: <4>[ 103.467112] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 103.474951] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcf8 <4>[ 103.480884] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 103.488469] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 103.495701] r9:00000009 r8:c08745a0 r7:0000001c r6:00000009 r5:c08745a0 r4:c1a210e4 <4>[ 103.503716] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 103.511466] r7:0000001c r6:c1a210e4 r5:c1a21120 r4:c6afa000 <4>[ 103.517398] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) <4>[ 103.526712] r9:c1acd154 r8:c15e8b44 r7:c6afbf60 r6:0000001f r5:00000000 r4:c6afa000 <4>[ 103.534732] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) <4>[ 103.545442] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x50/0x8c) <4>[ 103.557364] [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 103.567544] r5:c6d06000 r4:00000031 <4>[ 103.571390] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 103.579668] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 103.587855] r9:c6afbf60 r8:c53183c0 r7:0000001f r6:b6dcd000 r5:c47f0280 r4:c0c36620 <4>[ 103.595874] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 103.603971] r9:c07e09f8 r8:c6afbf60 r7:c2815800 r6:b6dcd000 r5:c47f0280 r4:00000000 <4>[ 103.611984] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 103.619388] r10:00000004 r9:00000000 r8:00000000 r7:b6dcd000 r6:c6afa000 r5:c47f0280 <4>[ 103.627482] r4:c47f0280 <4>[ 103.630285] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 103.637689] r9:c6afa000 r8:c03002e4 r7:00000004 r6:b6f14e00 r5:0000001f r4:0000001f <4>[ 103.645706] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 103.653540] Exception stack(0xc6afbfa8 to 0xc6afbff0) <4>[ 103.658862] bfa0: 0000001f 0000001f 00000001 b6dcd000 0000001f 00000000 <4>[ 103.667307] bfc0: 0000001f 0000001f b6f14e00 00000004 00000001 00000000 00020000 befe6a64 <4>[ 103.675750] bfe0: 00000004 befe6798 b6e7f4cf b6e057e6 <4>[ 103.681100] irq event stamp: 0 <4>[ 103.684453] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 103.690302] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1980 <4>[ 103.698113] softirqs last enabled at (0): [] copy_process+0x5f8/0x1980 <4>[ 103.705943] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 103.711789] ---[ end trace 9a58a83fb7a00339 ]--- <6>[ 103.716714] lkdtm: Negative detected: saturated # [ 103.387507] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 103.394636] lkdtm: attempting bad refcount_dec_and_test() below zero # [ 103.401262] ------------[ cut here ]------------ # [ 103.406224] WARNING: CPU: 1 PID: 2813 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 103.415052] refcount_t: underflow; use-after-free. # [ 103.420114] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan dw_hdmi_imx dw_hdmi can_dev etnaviv parallel_display imxdrm gpu_sched imx_ipu_v3 # [ 103.449574] CPU: 1 PID: 2813 Comm: cat Tainted: G D W 5.10.173-cip27 #1 # [ 103.457584] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 103.464377] Backtrace: # [ 103.467112] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 103.474951] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcf8 # [ 103.480884] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 103.488469] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 103.495701] r9:00000009 r8:c08745a0 r7:0000001c r6:00000009 r5:c08745a0 r4:c1a210e4 # [ 103.503716] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 103.511466] r7:0000001c r6:c1a210e4 r5:c1a21120 r4:c6afa000 # [ 103.517398] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 103.526712] r9:c1acd154 r8:c15e8b44 r7:c6afbf60 r6:0000001f r5:00000000 r4:c6afa000 # [ 103.534732] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 103.545442] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x50/0x8c) # [ 103.557364] [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 103.567544] r5:c6d06000 r4:00000031 # [ 103.571390] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 103.579668] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 103.587855] r9:c6afbf60 r8:c53183c0 r7:0000001f r6:b6dcd000 r5:c47f0280 r4:c0c36620 # [ 103.595874] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 103.603971] r9:c07e09f8 r8:c6afbf60 r7:c2815800 r6:b6dcd000 r5:c47f0280 r4:00000000 # [ 103.611984] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 103.619388] r10:00000004 r9:00000000 r8:00000000 r7:b6dcd000 r6:c6afa000 r5:c47f0280 # [ 103.627482] r4:c47f0280 # [ 103.630285] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 103.637689] r9:c6afa000 r8:c03002e4 r7:00000004 r6:b6f14e00 r5:0000001f r4:0000001f # [ 103.645706] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 103.653540] Exception stack(0xc6afbfa8 to 0xc6afbff0) # [ 103.658862] bfa0: 0000001f 0000001f 00000001 b6dcd000 0000001f 00000000 # [ 103.667307] bfc0: 0000001f 0000001f b6f14e00 00000004 00000001 00000000 00020000 befe6a64 # [ 103.675750] bfe0: 00000004 befe6798 b6e7f4cf b6e057e6 # [ 103.681100] irq event stamp: 0 # [ 103.684453] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 103.690302] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1980 # [ 103.698113] softirqs last enabled at (0): [] copy_process+0x5f8/0x1980 # [ 103.705943] softirqs last disabled at (0): [<00000000>] 0x0 # [ 103.711789] ---[ end trace 9a58a83fb7a00339 ]--- # [ 103.716714] 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<6>[ 104.153188] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE .sh <6>[ 104.162105] lkdtm: attempting bad refcount_sub_and_test() below zero <4>[ 104.169212] ------------[ cut here ]------------ <4>[ 104.174162] WARNING: CPU: 1 PID: 2848 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 <4>[ 104.182960] refcount_t: underflow; use-after-free. <4>[ 104.188064] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan dw_hdmi_imx dw_hdmi can_dev etnaviv parallel_display imxdrm gpu_sched imx_ipu_v3 <4>[ 104.217534] CPU: 1 PID: 2848 Comm: cat Tainted: G D W 5.10.173-cip27 #1 <4>[ 104.225547] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 104.232344] Backtrace: <4>[ 104.235086] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 104.242929] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcf8 <4>[ 104.248866] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 104.256454] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 104.263691] r9:00000009 r8:c08745a0 r7:0000001c r6:00000009 r5:c08745a0 r4:c1a210e4 <4>[ 104.271711] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 104.279463] r7:0000001c r6:c1a210e4 r5:c1a21120 r4:c6d76000 <4>[ 104.285399] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) <4>[ 104.294716] r9:c1acd174 r8:c15e8b44 r7:c6d77f60 r6:0000001f r5:c6d06000 r4:c6d76000 <4>[ 104.302739] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) <4>[ 104.313453] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x50/0x8c) <4>[ 104.325378] [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 104.335558] r4:00000032 <4>[ 104.338365] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 104.346650] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 104.354839] r9:c6d77f60 r8:c53183c0 r7:0000001f r6:b6e6d000 r5:c47f0f00 r4:c0c36620 <4>[ 104.362864] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 104.370966] r9:c07e09f8 r8:c6d77f60 r7:c2815800 r6:b6e6d000 r5:c47f0f00 r4:00000000 <4>[ 104.378983] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 104.386391] r10:00000004 r9:00000000 r8:00000000 r7:b6e6d000 r6:c6d76000 r5:c47f0f00 <4>[ 104.394487] r4:c47f0f00 <4>[ 104.397296] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 104.404704] r9:c6d76000 r8:c03002e4 r7:00000004 r6:b6fb4e00 r5:0000001f r4:0000001f <4>[ 104.412724] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 104.420562] Exception stack(0xc6d77fa8 to 0xc6d77ff0) <4>[ 104.425886] 7fa0: 0000001f 0000001f 00000001 b6e6d000 0000001f 00000000 <4>[ 104.434336] 7fc0: 0000001f 0000001f b6fb4e00 00000004 00000001 00000000 00020000 be9afa64 <4>[ 104.442782] 7fe0: 00000004 be9af798 b6f1f4cf b6ea57e6 <4>[ 104.448173] irq event stamp: 0 <4>[ 104.451512] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 104.457400] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1980 <4>[ 104.465203] softirqs last enabled at (0): [] copy_process+0x5f8/0x1980 <4>[ 104.472971] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 104.478877] ---[ end trace 9a58a83fb7a0033a ]--- <6>[ 104.483803] lkdtm: Negative detected: saturated # [ 104.153188] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 104.162105] lkdtm: attempting bad refcount_sub_and_test() below zero # [ 104.169212] ------------[ cut here ]------------ # [ 104.174162] WARNING: CPU: 1 PID: 2848 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 104.182960] refcount_t: underflow; use-after-free. # [ 104.188064] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan dw_hdmi_imx dw_hdmi can_dev etnaviv parallel_display imxdrm gpu_sched imx_ipu_v3 # [ 104.217534] CPU: 1 PID: 2848 Comm: cat Tainted: G D W 5.10.173-cip27 #1 # [ 104.225547] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 104.232344] Backtrace: # [ 104.235086] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 104.242929] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcf8 # [ 104.248866] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 104.256454] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 104.263691] r9:00000009 r8:c08745a0 r7:0000001c r6:00000009 r5:c08745a0 r4:c1a210e4 # [ 104.271711] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 104.279463] r7:0000001c r6:c1a210e4 r5:c1a21120 r4:c6d76000 # [ 104.285399] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 104.294716] r9:c1acd174 r8:c15e8b44 r7:c6d77f60 r6:0000001f r5:c6d06000 r4:c6d76000 # [ 104.302739] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 104.313453] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x50/0x8c) # [ 104.325378] [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 104.335558] r4:00000032 # [ 104.338365] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 104.346650] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 104.354839] r9:c6d77f60 r8:c53183c0 r7:0000001f r6:b6e6d000 r5:c47f0f00 r4:c0c36620 # [ 104.362864] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 104.370966] r9:c07e09f8 r8:c6d77f60 r7:c2815800 r6:b6e6d000 r5:c47f0f00 r4:00000000 # [ 104.378983] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 104.386391] r10:00000004 r9:00000000 r8:00000000 r7:b6e6d000 r6:c6d76000 r5:c47f0f00 # [ 104.394487] r4:c47f0f00 # [ 104.397296] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 104.404704] r9:c6d76000 r8:c03002e4 r7:00000004 r6:b6fb4e00 r5:0000001f r4:0000001f # [ 104.412724] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 104.420562] Exception stack(0xc6d77fa8 to 0xc6d77ff0) # [ 104.425886] 7fa0: 0000001f 0000001f 00000001 b6e6d000 0000001f 00000000 # [ 104.434336] 7fc0: 0000001f 0000001f b6fb4e00 00000004 00000001 00000000 00020000 be9afa64 # [ 104.442782] 7fe0: 00000004 be9af798 b6f1f4cf b6ea57e6 # [ 104.448173] irq event stamp: 0 # [ 104.451512] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 104.457400] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1980 # [ 104.465203] softirqs last enabled at (0): [] copy_process+0x5f8/0x1980 # [ 104.472971] softirqs last disabled at (0): [<00000000>] 0x0 # [ 104.478877] ---[ end trace 9a58a83fb7a0033a ]--- # [ 104.483803] 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 <6>[ 104.922588] lkdtm: Performing direct entry REFCOUNT_INC_ZERO <6>[ 104.928628] lkdtm: attempting safe refcount_inc_not_zero() from zero <6>[ 104.935303] lkdtm: Good: zero detected <6>[ 104.939324] lkdtm: Correctly stayed at zero <6>[ 104.943813] lkdtm: attempting bad refcount_inc() from zero <4>[ 104.949569] ------------[ cut here ]------------ <4>[ 104.954509] WARNING: CPU: 2 PID: 2880 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 <4>[ 104.963340] refcount_t: addition on 0; use-after-free. <4>[ 104.968747] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan dw_hdmi_imx dw_hdmi can_dev etnaviv parallel_display imxdrm gpu_sched imx_ipu_v3 <4>[ 104.998152] CPU: 2 PID: 2880 Comm: cat Tainted: G D W 5.10.173-cip27 #1 <4>[ 105.006163] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 105.012956] Backtrace: <4>[ 105.015690] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 105.023529] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcf8 <4>[ 105.029461] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 105.037043] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 105.044274] r9:00000009 r8:c087456c r7:00000019 r6:00000009 r5:c087456c r4:c1a210e4 <4>[ 105.052290] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 105.060039] r7:00000019 r6:c1a210e4 r5:c1a210f4 r4:c440a000 <4>[ 105.065970] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) <4>[ 105.075283] r9:c1acd194 r8:c15e8b44 r7:c440bf60 r6:00000012 r5:00000000 r4:c440a000 <4>[ 105.083300] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) <4>[ 105.093226] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_ZERO+0xa8/0xcc) <4>[ 105.103237] [] (lkdtm_REFCOUNT_INC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 105.112287] r5:c6d20000 r4:00000033 <4>[ 105.116133] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 105.124412] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 105.132597] r9:c440bf60 r8:c53183c0 r7:00000012 r6:b6e39000 r5:c2806780 r4:c0c36620 <4>[ 105.140615] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 105.148714] r9:c07e09f8 r8:c440bf60 r7:c2815800 r6:b6e39000 r5:c2806780 r4:00000000 <4>[ 105.156727] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 105.164131] r10:00000004 r9:00000000 r8:00000000 r7:b6e39000 r6:c440a000 r5:c2806780 <4>[ 105.172226] r4:c2806780 <4>[ 105.175032] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 105.182437] r9:c440a000 r8:c03002e4 r7:00000004 r6:b6f80e00 r5:00000012 r4:00000012 <4>[ 105.190454] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 105.198288] Exception stack(0xc440bfa8 to 0xc440bff0) <4>[ 105.203610] bfa0: 00000012 00000012 00000001 b6e39000 00000012 00000000 <4>[ 105.212055] bfc0: 00000012 00000012 b6f80e00 00000004 00000001 00000000 00020000 bef74a64 <4>[ 105.220499] bfe0: 00000004 bef74798 b6eeb4cf b6e717e6 <4>[ 105.225856] irq event stamp: 0 <4>[ 105.229187] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 105.235069] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1980 <4>[ 105.242841] softirqs last enabled at (0): [] copy_process+0x5f8/0x1980 <4>[ 105.250659] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 105.256568] ---[ end trace 9a58a83fb7a0033b ]--- <6>[ 105.261472] lkdtm: Zero detected: saturated # [ 104.922588] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 104.928628] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 104.935303] lkdtm: Good: zero detected # [ 104.939324] lkdtm: Correctly stayed at zero # [ 104.943813] lkdtm: attempting bad refcount_inc() from zero # [ 104.949569] ------------[ cut here ]------------ # [ 104.954509] WARNING: CPU: 2 PID: 2880 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 # [ 104.963340] refcount_t: addition on 0; use-after-free. # [ 104.968747] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan dw_hdmi_imx dw_hdmi can_dev etnaviv parallel_display imxdrm gpu_sched imx_ipu_v3 # [ 104.998152] CPU: 2 PID: 2880 Comm: cat Tainted: G D W 5.10.173-cip27 #1 # [ 105.006163] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 105.012956] Backtrace: # [ 105.015690] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 105.023529] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcf8 # [ 105.029461] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 105.037043] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 105.044274] r9:00000009 r8:c087456c r7:00000019 r6:00000009 r5:c087456c r4:c1a210e4 # [ 105.052290] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 105.060039] r7:00000019 r6:c1a210e4 r5:c1a210f4 r4:c440a000 # [ 105.065970] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) # [ 105.075283] r9:c1acd194 r8:c15e8b44 r7:c440bf60 r6:00000012 r5:00000000 r4:c440a000 # [ 105.083300] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) # [ 105.093226] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_ZERO+0xa8/0xcc) # [ 105.103237] [] (lkdtm_REFCOUNT_INC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 105.112287] r5:c6d20000 r4:00000033 # [ 105.116133] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 105.124412] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 105.132597] r9:c440bf60 r8:c53183c0 r7:00000012 r6:b6e39000 r5:c2806780 r4:c0c36620 # [ 105.140615] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 105.148714] r9:c07e09f8 r8:c440bf60 r7:c2815800 r6:b6e39000 r5:c2806780 r4:00000000 # [ 105.156727] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 105.164131] r10:00000004 r9:00000000 r8:00000000 r7:b6e39000 r6:c440a000 r5:c2806780 # [ 105.172226] r4:c2806780 # [ 105.175032] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 105.182437] r9:c440a000 r8:c03002e4 r7:00000004 r6:b6f80e00 r5:00000012 r4:00000012 # [ 105.190454] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 105.198288] Exception stack(0xc440bfa8 to 0xc440bff0) # [ 105.203610] bfa0: 00000012 00000012 00000001 b6e39000 00000012 00000000 # [ 105.212055] bfc0: 00000012 00000012 b6f80e00 00000004 00000001 00000000 00020000 bef74a64 # [ 105.220499] bfe0: 00000004 bef74798 b6eeb4cf b6e717e6 # [ 105.225856] irq event stamp: 0 # [ 105.229187] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 105.235069] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1980 # [ 105.242841] softirqs last enabled at (0): [] copy_process+0x5f8/0x1980 # [ 105.250659] softirqs last disabled at (0): [<00000000>] 0x0 # [ 105.256568] ---[ end trace 9a58a83fb7a0033b ]--- # [ 105.261472] lkdtm: Zero detected: saturated # REFCOUNT_INC_ZERO: m<6>[ 105.696710] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO issing 'call trace:': [FAIL] not<6>[ 105.703921] lkdtm: attempting safe refcount_add_not_zero() from zero ok 50 selftests: lkdtm: REFCOUNT<6>[ 105.713372] lkdtm: Good: zero detected _INC_ZERO.sh # i[t = 11 0 5#720200] lkdtm: Correctly stayed at zero selftests: lkdtm: REFCOUNT_ADD_Z<6>[ 105.726679] lkdtm: attempting bad refcount_add() from zero ERO.sh <4>[ 105.735280] ------------[ cut here ]------------ <4>[ 105.740837] WARNING: CPU: 1 PID: 2914 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 <4>[ 105.749657] refcount_t: addition on 0; use-after-free. <4>[ 105.755092] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan dw_hdmi_imx dw_hdmi can_dev etnaviv parallel_display imxdrm gpu_sched imx_ipu_v3 <4>[ 105.784498] CPU: 1 PID: 2914 Comm: cat Tainted: G D W 5.10.173-cip27 #1 <4>[ 105.792508] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 105.799302] Backtrace: <4>[ 105.802036] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 105.809875] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcf8 <4>[ 105.815807] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 105.823391] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 105.830621] r9:00000009 r8:c087456c r7:00000019 r6:00000009 r5:c087456c r4:c1a210e4 <4>[ 105.838640] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 105.846389] r7:00000019 r6:c1a210e4 r5:c1a210f4 r4:c6ab4000 <4>[ 105.852320] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) <4>[ 105.861633] r9:c1acd1a8 r8:c15e8b44 r7:c6ab5f60 r6:00000012 r5:00000000 r4:c6ab4000 <4>[ 105.869650] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) <4>[ 105.879576] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_ZERO+0xa8/0xcc) <4>[ 105.889587] [] (lkdtm_REFCOUNT_ADD_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 105.898636] r5:c6d06000 r4:00000034 <4>[ 105.902482] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 105.910760] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 105.918946] r9:c6ab5f60 r8:c53183c0 r7:00000012 r6:b6dc9000 r5:c6895040 r4:c0c36620 <4>[ 105.926967] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 105.935065] r9:c07e09f8 r8:c6ab5f60 r7:c2815800 r6:b6dc9000 r5:c6895040 r4:00000000 <4>[ 105.943078] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 105.950482] r10:00000004 r9:00000000 r8:00000000 r7:b6dc9000 r6:c6ab4000 r5:c6895040 <4>[ 105.958576] r4:c6895040 <4>[ 105.961381] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 105.968786] r9:c6ab4000 r8:c03002e4 r7:00000004 r6:b6f10e00 r5:00000012 r4:00000012 <4>[ 105.976802] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 105.984637] Exception stack(0xc6ab5fa8 to 0xc6ab5ff0) <4>[ 105.989958] 5fa0: 00000012 00000012 00000001 b6dc9000 00000012 00000000 <4>[ 105.998405] 5fc0: 00000012 00000012 b6f10e00 00000004 00000001 00000000 00020000 bebd8a64 <4>[ 106.006847] 5fe0: 00000004 bebd8798 b6e7b4cf b6e017e6 <4>[ 106.012217] irq event stamp: 0 <4>[ 106.015571] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 106.021422] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1980 <4>[ 106.029243] softirqs last enabled at (0): [] copy_process+0x5f8/0x1980 <4>[ 106.037051] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 106.042903] ---[ end trace 9a58a83fb7a0033c ]--- <6>[ 106.047830] lkdtm: Zero detected: saturated # [ 105.696710] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 105.703921] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 105.713372] lkdtm: Good: zero detected # [ 105.720200] lkdtm: Correctly stayed at zero # [ 105.726679] lkdtm: attempting bad refcount_add() from zero # [ 105.735280] ------------[ cut here ]------------ # [ 105.740837] WARNING: CPU: 1 PID: 2914 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 # [ 105.749657] refcount_t: addition on 0; use-after-free. # [ 105.755092] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan dw_hdmi_imx dw_hdmi can_dev etnaviv parallel_display imxdrm gpu_sched imx_ipu_v3 # [ 105.784498] CPU: 1 PID: 2914 Comm: cat Tainted: G D W 5.10.173-cip27 #1 # [ 105.792508] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 105.799302] Backtrace: # [ 105.802036] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 105.809875] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcf8 # [ 105.815807] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 105.823391] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 105.830621] r9:00000009 r8:c087456c r7:00000019 r6:00000009 r5:c087456c r4:c1a210e4 # [ 105.838640] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 105.846389] r7:00000019 r6:c1a210e4 r5:c1a210f4 r4:c6ab4000 # [ 105.852320] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) # [ 105.861633] r9:c1acd1a8 r8:c15e8b44 r7:c6ab5f60 r6:00000012 r5:00000000 r4:c6ab4000 # [ 105.869650] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) # [ 105.879576] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_ZERO+0xa8/0xcc) # [ 105.889587] [] (lkdtm_REFCOUNT_ADD_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 105.898636] r5:c6d06000 r4:00000034 # [ 105.902482] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 105.910760] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 105.918946] r9:c6ab5f60 r8:c53183c0 r7:00000012 r6:b6dc9000 r5:c6895040 r4:c0c36620 # [ 105.926967] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 105.935065] r9:c07e09f8 r8:c6ab5f60 r7:c2815800 r6:b6dc9000 r5:c6895040 r4:00000000 # [ 105.943078] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 105.950482] r10:00000004 r9:00000000 r8:00000000 r7:b6dc9000 r6:c6ab4000 r5:c6895040 # [ 105.958576] r4:c6895040 # [ 105.961381] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 105.968786] r9:c6ab4000 r8:c03002e4 r7:00000004 r6:b6f10e00 r5:00000012 r4:00000012 # [ 105.976802] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 105.984637] Exception stack(0xc6ab5fa8 to 0xc6ab5ff0) # [ 105.989958] 5fa0: 00000012 00000012 00000001 b6dc9000 00000012 00000000 # [ 105.998405] 5fc0: 00000012 00000012 b6f10e00 00000004 00000001 00000000 00020000 bebd8a64 # [ 106.006847] 5fe0: 00000004 bebd8798 b6e7b4cf b6e017e6 # [ 106.012217] irq event stamp: 0 # [ 106.015571] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 106.021422] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1980 # [ 106.029243] softirqs last enabled at (0): [] copy_process+0x5f8/0x1980 # [ 106.037051] softirqs last disabled at (0): [<00000000>] 0x0 # [ 106.042903] ---[ end trace 9a58a83fb7a0033c ]--- # [ 106.047830] lkdtm: Zero detected: saturated # REFCOUNT_ADD_ZERO: missing 'call trace:': [FAIL] not ok 51 selftests: lkdtm: REFCOUNT_ADD_ZERO.sh #<6>[ 106.490479] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED exit=1 # selftests: lkdtm: REFC<6>[ 106.499678] lkdtm: attempting bad refcount_inc() from saturated OUNT_INC_SATURATED.sh <4>[ 106.508638] ------------[ cut here ]------------ <4>[ 106.515563] WARNING: CPU: 1 PID: 2951 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 <4>[ 106.524323] refcount_t: saturated; leaking memory. <4>[ 106.529386] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan dw_hdmi_imx dw_hdmi can_dev etnaviv parallel_display imxdrm gpu_sched imx_ipu_v3 <4>[ 106.558788] CPU: 1 PID: 2951 Comm: cat Tainted: G D W 5.10.173-cip27 #1 <4>[ 106.566798] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 106.573591] Backtrace: <4>[ 106.576325] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 106.584165] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcf8 <4>[ 106.590097] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 106.597682] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 106.604912] r9:00000009 r8:c0874538 r7:00000016 r6:00000009 r5:c0874538 r4:c1a210e4 <4>[ 106.612927] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 106.620676] r7:00000016 r6:c1a210e4 r5:c1a210bc r4:c47e8000 <4>[ 106.626607] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) <4>[ 106.635833] r9:c1acd1bc r8:c15e8b44 r7:c47e9f60 r6:00000017 r5:c6d0a000 r4:c47e8000 <4>[ 106.643852] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) <4>[ 106.653778] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_SATURATED+0x4c/0x70) <4>[ 106.664224] [] (lkdtm_REFCOUNT_INC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 106.673708] r4:00000035 <4>[ 106.676511] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 106.684789] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 106.692974] r9:c47e9f60 r8:c53183c0 r7:00000017 r6:b6e2d000 r5:c42d3540 r4:c0c36620 <4>[ 106.700994] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 106.709094] r9:c07e09f8 r8:c47e9f60 r7:c2815800 r6:b6e2d000 r5:c42d3540 r4:00000000 <4>[ 106.717107] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 106.724511] r10:00000004 r9:00000000 r8:00000000 r7:b6e2d000 r6:c47e8000 r5:c42d3540 <4>[ 106.732604] r4:c42d3540 <4>[ 106.735407] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 106.742812] r9:c47e8000 r8:c03002e4 r7:00000004 r6:b6f74e00 r5:00000017 r4:00000017 <4>[ 106.750828] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 106.758664] Exception stack(0xc47e9fa8 to 0xc47e9ff0) <4>[ 106.763987] 9fa0: 00000017 00000017 00000001 b6e2d000 00000017 00000000 <4>[ 106.772435] 9fc0: 00000017 00000017 b6f74e00 00000004 00000001 00000000 00020000 bef03a64 <4>[ 106.780879] 9fe0: 00000004 bef03798 b6edf4cf b6e657e6 <4>[ 106.786268] irq event stamp: 0 <4>[ 106.789600] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 106.795480] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1980 <4>[ 106.803278] softirqs last enabled at (0): [] copy_process+0x5f8/0x1980 <4>[ 106.811042] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 106.816932] ---[ end trace 9a58a83fb7a0033d ]--- <6>[ 106.821827] lkdtm: Saturation detected: still saturated # [ 106.490479] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 106.499678] lkdtm: attempting bad refcount_inc() from saturated # [ 106.508638] ------------[ cut here ]------------ # [ 106.515563] WARNING: CPU: 1 PID: 2951 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 106.524323] refcount_t: saturated; leaking memory. # [ 106.529386] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan dw_hdmi_imx dw_hdmi can_dev etnaviv parallel_display imxdrm gpu_sched imx_ipu_v3 # [ 106.558788] CPU: 1 PID: 2951 Comm: cat Tainted: G D W 5.10.173-cip27 #1 # [ 106.566798] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 106.573591] Backtrace: # [ 106.576325] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 106.584165] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcf8 # [ 106.590097] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 106.597682] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 106.604912] r9:00000009 r8:c0874538 r7:00000016 r6:00000009 r5:c0874538 r4:c1a210e4 # [ 106.612927] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 106.620676] r7:00000016 r6:c1a210e4 r5:c1a210bc r4:c47e8000 # [ 106.626607] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 106.635833] r9:c1acd1bc r8:c15e8b44 r7:c47e9f60 r6:00000017 r5:c6d0a000 r4:c47e8000 # [ 106.643852] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 106.653778] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_SATURATED+0x4c/0x70) # [ 106.664224] [] (lkdtm_REFCOUNT_INC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 106.673708] r4:00000035 # [ 106.676511] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 106.684789] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 106.692974] r9:c47e9f60 r8:c53183c0 r7:00000017 r6:b6e2d000 r5:c42d3540 r4:c0c36620 # [ 106.700994] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 106.709094] r9:c07e09f8 r8:c47e9f60 r7:c2815800 r6:b6e2d000 r5:c42d3540 r4:00000000 # [ 106.717107] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 106.724511] r10:00000004 r9:00000000 r8:00000000 r7:b6e2d000 r6:c47e8000 r5:c42d3540 # [ 106.732604] r4:c42d3540 # [ 106.735407] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 106.742812] r9:c47e8000 r8:c03002e4 r7:00000004 r6:b6f74e00 r5:00000017 r4:00000017 # [ 106.750828] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 106.758664] Exception stack(0xc47e9fa8 to 0xc47e9ff0) # [ 106.763987] 9fa0: 00000017 00000017 00000001 b6e2d000 00000017 00000000 # [ 106.772435] 9fc0: 00000017 00000017 b6f74e00 00000004 00000001 00000000 00020000 bef03a64 # [ 106.780879] 9fe0: 00000004 bef03798 b6edf4cf b6e657e6 # [ 106.786268] irq event stamp: 0 # [ 106.789600] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 106.795480] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1980 # [ 106.803278] softirqs last enabled at (0): [] copy_process+0x5f8/0x1980 # [ 106.811042] softirqs last disabled at (0): [<00000000>] 0x0 # [ 106.816932] ---[ end trace 9a58a83fb7a0033d ]--- # [ 106.821827] 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 <6>[ 107.281479] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED <6>[ 107.288005] lkdtm: attempting bad refcount_dec() from saturated <4>[ 107.294267] ------------[ cut here ]------------ <4>[ 107.299179] WARNING: CPU: 1 PID: 2986 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 <4>[ 107.308027] refcount_t: decrement hit 0; leaking memory. <4>[ 107.313660] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan dw_hdmi_imx dw_hdmi can_dev etnaviv parallel_display imxdrm gpu_sched imx_ipu_v3 <4>[ 107.343068] CPU: 1 PID: 2986 Comm: cat Tainted: G D W 5.10.173-cip27 #1 <4>[ 107.351079] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 107.357871] Backtrace: <4>[ 107.360605] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 107.368444] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcf8 <4>[ 107.374379] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 107.381962] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 107.389192] r9:00000009 r8:c08744d0 r7:0000001f r6:00000009 r5:c08744d0 r4:c1a210e4 <4>[ 107.397209] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 107.404958] r7:0000001f r6:c1a210e4 r5:c1a21148 r4:c6fe8000 <4>[ 107.410890] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) <4>[ 107.420116] r9:c1acd1d4 r8:c15e8b44 r7:c6fe9f60 r6:00000017 r5:c6d0a000 r4:c6fe8000 <4>[ 107.428131] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) <4>[ 107.438057] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_SATURATED+0x48/0x6c) <4>[ 107.448505] [] (lkdtm_REFCOUNT_DEC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 107.457988] r4:00000036 <4>[ 107.460792] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 107.469070] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 107.477257] r9:c6fe9f60 r8:c53183c0 r7:00000017 r6:b6ea4000 r5:c6895400 r4:c0c36620 <4>[ 107.485277] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 107.493376] r9:c07e09f8 r8:c6fe9f60 r7:c2815800 r6:b6ea4000 r5:c6895400 r4:00000000 <4>[ 107.501389] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 107.508794] r10:00000004 r9:00000000 r8:00000000 r7:b6ea4000 r6:c6fe8000 r5:c6895400 <4>[ 107.516886] r4:c6895400 <4>[ 107.519691] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 107.527094] r9:c6fe8000 r8:c03002e4 r7:00000004 r6:b6febe00 r5:00000017 r4:00000017 <4>[ 107.535110] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 107.542945] Exception stack(0xc6fe9fa8 to 0xc6fe9ff0) <4>[ 107.548268] 9fa0: 00000017 00000017 00000001 b6ea4000 00000017 00000000 <4>[ 107.556716] 9fc0: 00000017 00000017 b6febe00 00000004 00000001 00000000 00020000 beb60a64 <4>[ 107.565159] 9fe0: 00000004 beb60798 b6f564cf b6edc7e6 <4>[ 107.570528] irq event stamp: 0 <4>[ 107.573881] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 107.579732] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1980 <4>[ 107.587524] softirqs last enabled at (0): [] copy_process+0x5f8/0x1980 <4>[ 107.595324] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 107.601176] ---[ end trace 9a58a83fb7a0033e ]--- <6>[ 107.606096] lkdtm: Saturation detected: still saturated # [ 107.281479] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 107.288005] lkdtm: attempting bad refcount_dec() from saturated # [ 107.294267] ------------[ cut here ]------------ # [ 107.299179] WARNING: CPU: 1 PID: 2986 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 # [ 107.308027] refcount_t: decrement hit 0; leaking memory. # [ 107.313660] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan dw_hdmi_imx dw_hdmi can_dev etnaviv parallel_display imxdrm gpu_sched imx_ipu_v3 # [ 107.343068] CPU: 1 PID: 2986 Comm: cat Tainted: G D W 5.10.173-cip27 #1 # [ 107.351079] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 107.357871] Backtrace: # [ 107.360605] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 107.368444] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcf8 # [ 107.374379] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 107.381962] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 107.389192] r9:00000009 r8:c08744d0 r7:0000001f r6:00000009 r5:c08744d0 r4:c1a210e4 # [ 107.397209] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 107.404958] r7:0000001f r6:c1a210e4 r5:c1a21148 r4:c6fe8000 # [ 107.410890] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) # [ 107.420116] r9:c1acd1d4 r8:c15e8b44 r7:c6fe9f60 r6:00000017 r5:c6d0a000 r4:c6fe8000 # [ 107.428131] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) # [ 107.438057] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_SATURATED+0x48/0x6c) # [ 107.448505] [] (lkdtm_REFCOUNT_DEC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 107.457988] r4:00000036 # [ 107.460792] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 107.469070] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 107.477257] r9:c6fe9f60 r8:c53183c0 r7:00000017 r6:b6ea4000 r5:c6895400 r4:c0c36620 # [ 107.485277] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 107.493376] r9:c07e09f8 r8:c6fe9f60 r7:c2815800 r6:b6ea4000 r5:c6895400 r4:00000000 # [ 107.501389] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 107.508794] r10:00000004 r9:00000000 r8:00000000 r7:b6ea4000 r6:c6fe8000 r5:c6895400 # [ 107.516886] r4:c6895400 # [ 107.519691] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 107.527094] r9:c6fe8000 r8:c03002e4 r7:00000004 r6:b6febe00 r5:00000017 r4:00000017 # [ 107.535110] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 107.542945] Exception stack(0xc6fe9fa8 to 0xc6fe9ff0) # [ 107.548268] 9fa0: 00000017 00000017 00000001 b6ea4000 00000017 00000000 # [ 107.556716] 9fc0: 00000017 00000017 b6febe00 00000004 00000001 00000000 00020000 beb60a64 # [ 107.565159] 9fe0: 00000004 beb60798 b6f564cf b6edc7e6 # [ 107.570528] irq event stamp: 0 # [ 107.573881] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 107.579732] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1980 # [ 107.587524] softirqs last enabled at (0): [] copy_process+0x5f8/0x1980 # [ 107.595324] softirqs last disabled at (0): [<00000000>] 0x0 # [ 107.601176] ---[ end trace 9a58a83fb7a0033e ]--- # [ 107.606096] 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 <6>[ 108.066701] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED <6>[ 108.073123] lkdtm: attempting bad refcount_dec() from saturated <4>[ 108.079317] ------------[ cut here ]------------ <4>[ 108.084395] WARNING: CPU: 0 PID: 3021 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 <4>[ 108.093175] refcount_t: saturated; leaking memory. <4>[ 108.098237] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan dw_hdmi_imx dw_hdmi can_dev etnaviv parallel_display imxdrm gpu_sched imx_ipu_v3 <4>[ 108.127665] CPU: 0 PID: 3021 Comm: cat Tainted: G D W 5.10.173-cip27 #1 <4>[ 108.135675] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 108.142467] Backtrace: <4>[ 108.145202] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 108.153041] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcf8 <4>[ 108.158974] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 108.166558] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 108.173789] r9:00000009 r8:c0874538 r7:00000016 r6:00000009 r5:c0874538 r4:c1a210e4 <4>[ 108.181805] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 108.189555] r7:00000016 r6:c1a210e4 r5:c1a210bc r4:c47ec000 <4>[ 108.195486] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) <4>[ 108.204712] r9:c1acd1ec r8:c15e8b44 r7:c47edf60 r6:00000017 r5:c6eb6000 r4:c47ec000 <4>[ 108.212730] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) <4>[ 108.222658] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_SATURATED+0x4c/0x70) <4>[ 108.233104] [] (lkdtm_REFCOUNT_ADD_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 108.242586] r4:00000037 <4>[ 108.245390] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 108.253670] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 108.261855] r9:c47edf60 r8:c53183c0 r7:00000017 r6:b6e20000 r5:c6897cc0 r4:c0c36620 <4>[ 108.269873] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 108.277974] r9:c07e09f8 r8:c47edf60 r7:c2815800 r6:b6e20000 r5:c6897cc0 r4:00000000 <4>[ 108.285988] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 108.293393] r10:00000004 r9:00000000 r8:00000000 r7:b6e20000 r6:c47ec000 r5:c6897cc0 <4>[ 108.301486] r4:c6897cc0 <4>[ 108.304289] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 108.311693] r9:c47ec000 r8:c03002e4 r7:00000004 r6:b6f67e00 r5:00000017 r4:00000017 <4>[ 108.319710] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 108.327545] Exception stack(0xc47edfa8 to 0xc47edff0) <4>[ 108.332866] dfa0: 00000017 00000017 00000001 b6e20000 00000017 00000000 <4>[ 108.341312] dfc0: 00000017 00000017 b6f67e00 00000004 00000001 00000000 00020000 bedc6a64 <4>[ 108.349755] dfe0: 00000004 bedc6798 b6ed24cf b6e587e6 <4>[ 108.355131] irq event stamp: 0 <4>[ 108.358464] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 108.364350] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1980 <4>[ 108.372123] softirqs last enabled at (0): [] copy_process+0x5f8/0x1980 <4>[ 108.380754] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 108.386658] ---[ end trace 9a58a83fb7a0033f ]--- <6>[ 108.391549] 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 # [ 108.066701] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 108.073123] lkdtm: attempting bad refcount_dec() from saturated # [ 108.079317] ------------[ cut here ]------------ # [ 108.084395] WARNING: CPU: 0 PID: 3021 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 108.093175] refcount_t: saturated; leaking memory. # [ 108.098237] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan dw_hdmi_imx dw_hdmi can_dev etnaviv parallel_display imxdrm gpu_sched imx_ipu_v3 # [ 108.127665] CPU: 0 PID: 3021 Comm: cat Tainted: G D W 5.10.173-cip27 #1 # [ 108.135675] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 108.142467] Backtrace: # [ 108.145202] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 108.153041] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcf8 # [ 108.158974] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 108.166558] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 108.173789] r9:00000009 r8:c0874538 r7:00000016 r6:00000009 r5:c0874538 r4:c1a210e4 # [ 108.181805] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 108.189555] r7:00000016 r6:c1a210e4 r5:c1a210bc r4:c47ec000 # [ 108.195486] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 108.204712] r9:c1acd1ec r8:c15e8b44 r7:c47edf60 r6:00000017 r5:c6eb6000 r4:c47ec000 # [ 108.212730] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 108.222658] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_SATURATED+0x4c/0x70) # [ 108.233104] [] (lkdtm_REFCOUNT_ADD_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 108.242586] r4:00000037 # [ 108.245390] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 108.253670] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 108.261855] r9:c47edf60 r8:c53183c0 r7:00000017 r6:b6e20000 r5:c6897cc0 r4:c0c36620 # [ 108.269873] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 108.277974] r9:c07e09f8 r8:c47edf60 r7:c2815800 r6:b6e20000 r5:c6897cc0 r4:00000000 # [ 108.285988] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 108.293393] r10:00000004 r9:00000000 r8:00000000 r7:b6e20000 r6:c47ec000 r5:c6897cc0 # [ 108.301486] r4:c6897cc0 # [ 108.304289] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 108.311693] r9:c47ec000 r8:c03002e4 r7:00000004 r6:b6f67e00 r5:00000017 r4:00000017 # [ 108.319710] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 108.327545] Exception stack(0xc47edfa8 to 0xc47edff0) # [ 108.332866] dfa0: 00000017 00000017 00000001 b6e20000 00000017 00000000 # [ 108.341312] dfc0: 00000017 00000017 b6f67e00 00000004 00000001 00000000 00020000 bedc6a64 # [ 108.349755] dfe0: 00000004 bedc6798 b6ed24cf b6e587e6 # [ 108.355131] irq event stamp: 0 # [ 108.358464] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 108.364350] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1980 # [ 108.372123] softirqs last enabled at (0): [] copy_process+0x5f8/0x1980 # [ 108.380754] softirqs last disabled at (0): [<00000000>] 0x0 # [ 108.386658] ---[ end trace 9a58a83fb7a0033f ]--- # [ 108.391549] lkdtm: Saturation detected: still saturated # REFCOUNT_ADD_SATURATED: saw 'Saturation detected: still saturated': ok ok 54 selftests: lkdtm: RE<6>[ 108.854435] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED FCOUNT_ADD_SATUT[E D .1s0h8 862859] lkdtm: attempting bad refcount_inc_not_zero() from saturated # selftests: lkdtm: REFCOUNT_INC<4>[ 108.871950] ------------[ cut here ]------------ _NOT_ZERO_SATURATED.sh <4>[ 108.879658] WARNING: CPU: 3 PID: 3053 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 <4>[ 108.890533] refcount_t: saturated; leaking memory. <4>[ 108.895644] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan dw_hdmi_imx dw_hdmi can_dev etnaviv parallel_display imxdrm gpu_sched imx_ipu_v3 <4>[ 108.925042] CPU: 3 PID: 3053 Comm: cat Tainted: G D W 5.10.173-cip27 #1 <4>[ 108.933053] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 108.939846] Backtrace: <4>[ 108.942582] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 108.950420] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcf8 <4>[ 108.956355] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 108.963941] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 108.971173] r9:00000009 r8:c0874504 r7:00000013 r6:00000009 r5:c0874504 r4:c1a210e4 <4>[ 108.979189] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 108.986940] r7:00000013 r6:c1a210e4 r5:c1a210bc r4:c6b98000 <4>[ 108.992873] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) <4>[ 109.002099] r9:c1acd204 r8:c15e8b44 r7:c6b99f60 r6:00000020 r5:c5f8a000 r4:c0000000 <4>[ 109.010115] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) <4>[ 109.020824] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x50/0x88) <4>[ 109.032825] r5:c5f8a000 r4:c6b98000 <4>[ 109.036676] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 109.046941] r4:00000038 <4>[ 109.049744] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 109.058023] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 109.066209] r9:c6b99f60 r8:c53183c0 r7:00000020 r6:b6dda000 r5:c68972c0 r4:c0c36620 <4>[ 109.074230] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 109.082329] r9:c07e09f8 r8:c6b99f60 r7:c2815800 r6:b6dda000 r5:c68972c0 r4:00000000 <4>[ 109.090343] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 109.097747] r10:00000004 r9:00000000 r8:00000000 r7:b6dda000 r6:c6b98000 r5:c68972c0 <4>[ 109.105841] r4:c68972c0 <4>[ 109.108645] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 109.116049] r9:c6b98000 r8:c03002e4 r7:00000004 r6:b6f21e00 r5:00000020 r4:00000020 <4>[ 109.124065] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 109.131900] Exception stack(0xc6b99fa8 to 0xc6b99ff0) <4>[ 109.137221] 9fa0: 00000020 00000020 00000001 b6dda000 00000020 00000000 <4>[ 109.145669] 9fc0: 00000020 00000020 b6f21e00 00000004 00000001 00000000 00020000 bec29a64 <4>[ 109.154112] 9fe0: 00000004 bec29798 b6e8c4cf b6e127e6 <4>[ 109.159500] irq event stamp: 0 <4>[ 109.162835] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 109.168712] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1980 <4>[ 109.176528] softirqs last enabled at (0): [] copy_process+0x5f8/0x1980 <4>[ 109.184323] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 109.190179] ---[ end trace 9a58a83fb7a00340 ]--- <6>[ 109.195102] lkdtm: Saturation detected: still saturated # [ 108.854435] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 108.862859] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 108.871950] ------------[ cut here ]------------ # [ 108.879658] WARNING: CPU: 3 PID: 3053 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 108.890533] refcount_t: saturated; leaking memory. # [ 108.895644] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan dw_hdmi_imx dw_hdmi can_dev etnaviv parallel_display imxdrm gpu_sched imx_ipu_v3 # [ 108.925042] CPU: 3 PID: 3053 Comm: cat Tainted: G D W 5.10.173-cip27 #1 # [ 108.933053] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 108.939846] Backtrace: # [ 108.942582] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 108.950420] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcf8 # [ 108.956355] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 108.963941] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 108.971173] r9:00000009 r8:c0874504 r7:00000013 r6:00000009 r5:c0874504 r4:c1a210e4 # [ 108.979189] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 108.986940] r7:00000013 r6:c1a210e4 r5:c1a210bc r4:c6b98000 # [ 108.992873] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 109.002099] r9:c1acd204 r8:c15e8b44 r7:c6b99f60 r6:00000020 r5:c5f8a000 r4:c0000000 # [ 109.010115] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 109.020824] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x50/0x88) # [ 109.032825] r5:c5f8a000 r4:c6b98000 # [ 109.036676] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 109.046941] r4:00000038 # [ 109.049744] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 109.058023] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 109.066209] r9:c6b99f60 r8:c53183c0 r7:00000020 r6:b6dda000 r5:c68972c0 r4:c0c36620 # [ 109.074230] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 109.082329] r9:c07e09f8 r8:c6b99f60 r7:c2815800 r6:b6dda000 r5:c68972c0 r4:00000000 # [ 109.090343] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 109.097747] r10:00000004 r9:00000000 r8:00000000 r7:b6dda000 r6:c6b98000 r5:c68972c0 # [ 109.105841] r4:c68972c0 # [ 109.108645] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 109.116049] r9:c6b98000 r8:c03002e4 r7:00000004 r6:b6f21e00 r5:00000020 r4:00000020 # [ 109.124065] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 109.131900] Exception stack(0xc6b99fa8 to 0xc6b99ff0) # [ 109.137221] 9fa0: 00000020 00000020 00000001 b6dda000 00000020 00000000 # [ 109.145669] 9fc0: 00000020 00000020 b6f21e00 00000004 00000001 00000000 00020000 bec29a64 # [ 109.154112] 9fe0: 00000004 bec29798 b6e8c4cf b6e127e6 # [ 109.159500] irq event stamp: 0 # [ 109.162835] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 109.168712] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1980 # [ 109.176528] softirqs last enabled at (0): [] copy_process+0x5f8/0x1980 # [ 109.184323] softirqs last disabled at (0): [<00000000>] 0x0 # [ 109.190179] ---[ end trace 9a58a83fb7a00340 ]--- # [ 109.195102] 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_<6>[ 109.646363] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED ZERO_SATURATED.sh <6>[ 109.655231] lkdtm: attempting bad refcount_add_not_zero() from saturated <4>[ 109.663793] ------------[ cut here ]------------ <4>[ 109.668706] WARNING: CPU: 0 PID: 3087 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 <4>[ 109.677516] refcount_t: saturated; leaking memory. <4>[ 109.682602] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan dw_hdmi_imx dw_hdmi can_dev etnaviv parallel_display imxdrm gpu_sched imx_ipu_v3 <4>[ 109.712029] CPU: 0 PID: 3087 Comm: cat Tainted: G D W 5.10.173-cip27 #1 <4>[ 109.720040] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 109.726833] Backtrace: <4>[ 109.729570] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 109.737409] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcf8 <4>[ 109.743342] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 109.750927] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 109.758158] r9:00000009 r8:c0874504 r7:00000013 r6:00000009 r5:c0874504 r4:c1a210e4 <4>[ 109.766174] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 109.773924] r7:00000013 r6:c1a210e4 r5:c1a210bc r4:c6a9a000 <4>[ 109.779856] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) <4>[ 109.789085] r9:c1acd224 r8:c15e8b44 r7:c6a9bf60 r6:00000020 r5:c6eb5000 r4:c0000000 <4>[ 109.797099] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) <4>[ 109.807807] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x50/0x88) <4>[ 109.819809] r5:c6eb5000 r4:c6a9a000 <4>[ 109.823660] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 109.833924] r4:00000039 <4>[ 109.836728] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 109.845008] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 109.853194] r9:c6a9bf60 r8:c53183c0 r7:00000020 r6:b6dc5000 r5:c41f8280 r4:c0c36620 <4>[ 109.861215] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 109.869315] r9:c07e09f8 r8:c6a9bf60 r7:c2815800 r6:b6dc5000 r5:c41f8280 r4:00000000 <4>[ 109.877330] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 109.884735] r10:00000004 r9:00000000 r8:00000000 r7:b6dc5000 r6:c6a9a000 r5:c41f8280 <4>[ 109.892829] r4:c41f8280 <4>[ 109.895633] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 109.903037] r9:c6a9a000 r8:c03002e4 r7:00000004 r6:b6f0ce00 r5:00000020 r4:00000020 <4>[ 109.911055] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 109.918889] Exception stack(0xc6a9bfa8 to 0xc6a9bff0) <4>[ 109.924212] bfa0: 00000020 00000020 00000001 b6dc5000 00000020 00000000 <4>[ 109.932657] bfc0: 00000020 00000020 b6f0ce00 00000004 00000001 00000000 00020000 beaaba64 <4>[ 109.941099] bfe0: 00000004 beaab798 b6e774cf b6dfd7e6 <4>[ 109.946475] irq event stamp: 0 <4>[ 109.949809] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 109.955687] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1980 <4>[ 109.963480] softirqs last enabled at (0): [] copy_process+0x5f8/0x1980 <4>[ 109.971236] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 109.978426] ---[ end trace 9a58a83fb7a00341 ]--- <6>[ 109.984284] lkdtm: Saturation detected: still saturated # [ 109.646363] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 109.655231] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 109.663793] ------------[ cut here ]------------ # [ 109.668706] WARNING: CPU: 0 PID: 3087 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 109.677516] refcount_t: saturated; leaking memory. # [ 109.682602] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan dw_hdmi_imx dw_hdmi can_dev etnaviv parallel_display imxdrm gpu_sched imx_ipu_v3 # [ 109.712029] CPU: 0 PID: 3087 Comm: cat Tainted: G D W 5.10.173-cip27 #1 # [ 109.720040] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 109.726833] Backtrace: # [ 109.729570] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 109.737409] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcf8 # [ 109.743342] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 109.750927] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 109.758158] r9:00000009 r8:c0874504 r7:00000013 r6:00000009 r5:c0874504 r4:c1a210e4 # [ 109.766174] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 109.773924] r7:00000013 r6:c1a210e4 r5:c1a210bc r4:c6a9a000 # [ 109.779856] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 109.789085] r9:c1acd224 r8:c15e8b44 r7:c6a9bf60 r6:00000020 r5:c6eb5000 r4:c0000000 # [ 109.797099] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 109.807807] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x50/0x88) # [ 109.819809] r5:c6eb5000 r4:c6a9a000 # [ 109.823660] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 109.833924] r4:00000039 # [ 109.836728] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 109.845008] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 109.853194] r9:c6a9bf60 r8:c53183c0 r7:00000020 r6:b6dc5000 r5:c41f8280 r4:c0c36620 # [ 109.861215] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 109.869315] r9:c07e09f8 r8:c6a9bf60 r7:c2815800 r6:b6dc5000 r5:c41f8280 r4:00000000 # [ 109.877330] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 109.884735] r10:00000004 r9:00000000 r8:00000000 r7:b6dc5000 r6:c6a9a000 r5:c41f8280 # [ 109.892829] r4:c41f8280 # [ 109.895633] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 109.903037] r9:c6a9a000 r8:c03002e4 r7:00000004 r6:b6f0ce00 r5:00000020 r4:00000020 # [ 109.911055] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 109.918889] Exception stack(0xc6a9bfa8 to 0xc6a9bff0) # [ 109.924212] bfa0: 00000020 00000020 00000001 b6dc5000 00000020 00000000 # [ 109.932657] bfc0: 00000020 00000020 b6f0ce00 00000004 00000001 00000000 00020000 beaaba64 # [ 109.941099] bfe0: 00000004 beaab798 b6e774cf b6dfd7e6 # [ 109.946475] irq event stamp: 0 # [ 109.949809] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 109.955687] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1980 # [ 109.963480] softirqs last enabled at (0): [] copy_process+0x5f8/0x1980 # [ 109.971236] softirqs last disabled at (0): [<00000000>] 0x0 # [ 109.978426] ---[ end trace 9a58a83fb7a00341 ]--- # [ 109.984284] 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 <6>[ 110.465181] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED <6>[ 110.472343] lkdtm: attempting bad refcount_dec_and_test() from saturated <4>[ 110.479408] ------------[ cut here ]------------ <4>[ 110.484391] WARNING: CPU: 2 PID: 3124 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 <4>[ 110.493266] refcount_t: underflow; use-after-free. <4>[ 110.498333] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan dw_hdmi_imx dw_hdmi can_dev etnaviv parallel_display imxdrm gpu_sched imx_ipu_v3 <4>[ 110.527823] CPU: 2 PID: 3124 Comm: cat Tainted: G D W 5.10.173-cip27 #1 <4>[ 110.535837] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 110.542635] Backtrace: <4>[ 110.545377] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 110.553220] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcf8 <4>[ 110.559157] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 110.566747] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 110.573983] r9:00000009 r8:c08745a0 r7:0000001c r6:00000009 r5:c08745a0 r4:c1a210e4 <4>[ 110.582005] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 110.589757] r7:0000001c r6:c1a210e4 r5:c1a21120 r4:c6ab4000 <4>[ 110.595694] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) <4>[ 110.605012] r9:c1acd244 r8:c15e8b44 r7:c6ab5f60 r6:00000020 r5:c41d2000 r4:c6ab4000 <4>[ 110.613037] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) <4>[ 110.623752] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x50/0x88) <4>[ 110.635767] [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 110.646033] r4:0000003a <4>[ 110.648842] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 110.657126] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 110.665317] r9:c6ab5f60 r8:c53183c0 r7:00000020 r6:b6dd7000 r5:c6894000 r4:c0c36620 <4>[ 110.673343] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 110.681446] r9:c07e09f8 r8:c6ab5f60 r7:c2815800 r6:b6dd7000 r5:c6894000 r4:00000000 <4>[ 110.689464] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 110.696871] r10:00000004 r9:00000000 r8:00000000 r7:b6dd7000 r6:c6ab4000 r5:c6894000 <4>[ 110.704969] r4:c6894000 <4>[ 110.707776] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 110.715185] r9:c6ab4000 r8:c03002e4 r7:00000004 r6:b6f1ee00 r5:00000020 r4:00000020 <4>[ 110.723205] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 110.731043] Exception stack(0xc6ab5fa8 to 0xc6ab5ff0) <4>[ 110.736369] 5fa0: 00000020 00000020 00000001 b6dd7000 00000020 00000000 <4>[ 110.744819] 5fc0: 00000020 00000020 b6f1ee00 00000004 00000001 00000000 00020000 bec71a64 <4>[ 110.753267] 5fe0: 00000004 bec71798 b6e894cf b6e0f7e6 <4>[ 110.758660] irq event stamp: 0 <4>[ 110.762005] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 110.767902] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1980 <4>[ 110.775726] softirqs last enabled at (0): [] copy_process+0x5f8/0x1980 <4>[ 110.783571] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 110.789424] ---[ end trace 9a58a83fb7a00342 ]--- <6>[ 110.794385] lkdtm: Saturation detected: still saturated # [ 110.465181] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 110.472343] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 110.479408] ------------[ cut here ]------------ # [ 110.484391] WARNING: CPU: 2 PID: 3124 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 110.493266] refcount_t: underflow; use-after-free. # [ 110.498333] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan dw_hdmi_imx dw_hdmi can_dev etnaviv parallel_display imxdrm gpu_sched imx_ipu_v3 # [ 110.527823] CPU: 2 PID: 3124 Comm: cat Tainted: G D W 5.10.173-cip27 #1 # [ 110.535837] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 110.542635] Backtrace: # [ 110.545377] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 110.553220] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcf8 # [ 110.559157] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 110.566747] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 110.573983] r9:00000009 r8:c08745a0 r7:0000001c r6:00000009 r5:c08745a0 r4:c1a210e4 # [ 110.582005] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 110.589757] r7:0000001c r6:c1a210e4 r5:c1a21120 r4:c6ab4000 # [ 110.595694] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 110.605012] r9:c1acd244 r8:c15e8b44 r7:c6ab5f60 r6:00000020 r5:c41d2000 r4:c6ab4000 # [ 110.613037] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 110.623752] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x50/0x88) # [ 110.635767] [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 110.646033] r4:0000003a # [ 110.648842] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 110.657126] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 110.665317] r9:c6ab5f60 r8:c53183c0 r7:00000020 r6:b6dd7000 r5:c6894000 r4:c0c36620 # [ 110.673343] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 110.681446] r9:c07e09f8 r8:c6ab5f60 r7:c2815800 r6:b6dd7000 r5:c6894000 r4:00000000 # [ 110.689464] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 110.696871] r10:00000004 r9:00000000 r8:00000000 r7:b6dd7000 r6:c6ab4000 r5:c6894000 # [ 110.704969] r4:c6894000 # [ 110.707776] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 110.715185] r9:c6ab4000 r8:c03002e4 r7:00000004 r6:b6f1ee00 r5:00000020 r4:00000020 # [ 110.723205] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 110.731043] Exception stack(0xc6ab5fa8 to 0xc6ab5ff0) # [ 110.736369] 5fa0: 00000020 00000020 00000001 b6dd7000 00000020 00000000 # [ 110.744819] 5fc0: 00000020 00000020 b6f1ee00 00000004 00000001 00000000 00020000 bec71a64 # [ 110.753267] 5fe0: 00000004 bec71798 b6e894cf b6e0f7e6 # [ 110.758660] irq event stamp: 0 # [ 110.762005] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 110.767902] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1980 # [ 110.775726] softirqs last enabled at (0): [] copy_process+0x5f8/0x1980 # [ 110.783571] softirqs last disabled at (0): [<00000000>] 0x0 # [ 110.789424] ---[ end trace 9a58a83fb7a00342 ]--- # [ 110.794385] 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 <6>[ 111.253249] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED <6>[ 111.260406] lkdtm: attempting bad refcount_sub_and_test() from saturated <4>[ 111.267490] ------------[ cut here ]------------ <4>[ 111.272434] WARNING: CPU: 1 PID: 3159 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 <4>[ 111.281292] refcount_t: underflow; use-after-free. <4>[ 111.286453] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan dw_hdmi_imx dw_hdmi can_dev etnaviv parallel_display imxdrm gpu_sched imx_ipu_v3 <4>[ 111.316175] CPU: 1 PID: 3159 Comm: cat Tainted: G D W 5.10.173-cip27 #1 <4>[ 111.324185] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 111.330978] Backtrace: <4>[ 111.333712] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 111.341552] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcf8 <4>[ 111.347485] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 111.355070] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 111.362301] r9:00000009 r8:c08745a0 r7:0000001c r6:00000009 r5:c08745a0 r4:c1a210e4 <4>[ 111.370317] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 111.378066] r7:0000001c r6:c1a210e4 r5:c1a21120 r4:c6d76000 <4>[ 111.383999] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) <4>[ 111.393314] r9:c1acd264 r8:c15e8b44 r7:c6d77f60 r6:00000020 r5:c6d0a000 r4:c6d76000 <4>[ 111.401334] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) <4>[ 111.412045] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x50/0x88) <4>[ 111.424054] [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 111.434319] r4:0000003b <4>[ 111.437125] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 111.445404] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 111.453591] r9:c6d77f60 r8:c53183c0 r7:00000020 r6:b6de9000 r5:c5801a40 r4:c0c36620 <4>[ 111.461612] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 111.469711] r9:c07e09f8 r8:c6d77f60 r7:c2815800 r6:b6de9000 r5:c5801a40 r4:00000000 <4>[ 111.477723] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 111.485126] r10:00000004 r9:00000000 r8:00000000 r7:b6de9000 r6:c6d76000 r5:c5801a40 <4>[ 111.493220] r4:c5801a40 <4>[ 111.496025] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 111.503429] r9:c6d76000 r8:c03002e4 r7:00000004 r6:b6f30e00 r5:00000020 r4:00000020 <4>[ 111.511444] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 111.519278] Exception stack(0xc6d77fa8 to 0xc6d77ff0) <4>[ 111.524601] 7fa0: 00000020 00000020 00000001 b6de9000 00000020 00000000 <4>[ 111.533048] 7fc0: 00000020 00000020 b6f30e00 00000004 00000001 00000000 00020000 bef38a64 <4>[ 111.541490] 7fe0: 00000004 bef38798 b6e9b4cf b6e217e6 <4>[ 111.546866] irq event stamp: 0 <4>[ 111.550199] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 111.556075] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1980 <4>[ 111.563887] softirqs last enabled at (0): [] copy_process+0x5f8/0x1980 <4>[ 111.571649] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 111.577527] ---[ end trace 9a58a83fb7a00343 ]--- <6>[ 111.582440] lkdtm: Saturation detected: still saturated # [ 111.253249] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 111.260406] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 111.267490] ------------[ cut here ]------------ # [ 111.272434] WARNING: CPU: 1 PID: 3159 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 111.281292] refcount_t: underflow; use-after-free. # [ 111.286453] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan dw_hdmi_imx dw_hdmi can_dev etnaviv parallel_display imxdrm gpu_sched imx_ipu_v3 # [ 111.316175] CPU: 1 PID: 3159 Comm: cat Tainted: G D W 5.10.173-cip27 #1 # [ 111.324185] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 111.330978] Backtrace: # [ 111.333712] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 111.341552] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcf8 # [ 111.347485] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 111.355070] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 111.362301] r9:00000009 r8:c08745a0 r7:0000001c r6:00000009 r5:c08745a0 r4:c1a210e4 # [ 111.370317] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 111.378066] r7:0000001c r6:c1a210e4 r5:c1a21120 r4:c6d76000 # [ 111.383999] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 111.393314] r9:c1acd264 r8:c15e8b44 r7:c6d77f60 r6:00000020 r5:c6d0a000 r4:c6d76000 # [ 111.401334] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 111.412045] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x50/0x88) # [ 111.424054] [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 111.434319] r4:0000003b # [ 111.437125] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 111.445404] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 111.453591] r9:c6d77f60 r8:c53183c0 r7:00000020 r6:b6de9000 r5:c5801a40 r4:c0c36620 # [ 111.461612] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 111.469711] r9:c07e09f8 r8:c6d77f60 r7:c2815800 r6:b6de9000 r5:c5801a40 r4:00000000 # [ 111.477723] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 111.485126] r10:00000004 r9:00000000 r8:00000000 r7:b6de9000 r6:c6d76000 r5:c5801a40 # [ 111.493220] r4:c5801a40 # [ 111.496025] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 111.503429] r9:c6d76000 r8:c03002e4 r7:00000004 r6:b6f30e00 r5:00000020 r4:00000020 # [ 111.511444] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 111.519278] Exception stack(0xc6d77fa8 to 0xc6d77ff0) # [ 111.524601] 7fa0: 00000020 00000020 00000001 b6de9000 00000020 00000000 # [ 111.533048] 7fc0: 00000020 00000020 b6f30e00 00000004 00000001 00000000 00020000 bef38a64 # [ 111.541490] 7fe0: 00000004 bef38798 b6e9b4cf b6e217e6 # [ 111.546866] irq event stamp: 0 # [ 111.550199] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 111.556075] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1980 # [ 111.563887] softirqs last enabled at (0): [] copy_process+0x5f8/0x1980 # [ 111.571649] softirqs last disabled at (0): [<00000000>] 0x0 # [ 111.577527] ---[ end trace 9a58a83fb7a00343 ]--- # [ 111.582440] 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 <6>[ 112.410862] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO <6>[ 112.417306] lkdtm: attempting good copy_to_user of correct size <6>[ 112.423623] lkdtm: attempting bad copy_to_user of too large size # [ 112.410862] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 112.417306] lkdtm: attempting good copy_to_user of correct size # [ 112.423623] 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 <6>[ 112.853626] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM <6>[ 112.860195] lkdtm: attempting good copy_from_user of correct size <6>[ 112.866733] lkdtm: attempting bad copy_from_user of too large size # [ 112.853626] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 112.860195] lkdtm: attempting good copy_from_user of correct size # [ 112.866733] 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 <6>[ 113.287749] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO <6>[ 113.294654] lkdtm: attempting good copy_to_user inside whitelist <6>[ 113.301006] lkdtm: attempting bad copy_to_user outside whitelist # [ 113.287749] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 113.294654] lkdtm: attempting good copy_to_user inside whitelist # [ 113.301006] 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 <6>[ 113.730844] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM <6>[ 113.737988] lkdtm: attempting good copy_from_user inside whitelist <6>[ 113.744549] lkdtm: attempting bad copy_from_user outside whitelist # [ 113.730844] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 113.737988] lkdtm: attempting good copy_from_user inside whitelist # [ 113.744549] 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 <6>[ 114.169387] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO <6>[ 114.175915] lkdtm: good_stack: c47ede0c-c47ede2c <6>[ 114.180804] lkdtm: bad_stack : c47edd84-c47edda4 <6>[ 114.185736] lkdtm: attempting good copy_to_user of local stack <6>[ 114.191875] lkdtm: attempting bad copy_to_user of distant stack # [ 114.169387] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 114.175915] lkdtm: good_stack: c47ede0c-c47ede2c # [ 114.180804] lkdtm: bad_stack : c47edd84-c47edda4 # [ 114.185736] lkdtm: attempting good copy_to_user of local stack # [ 114.191875] 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 <6>[ 114.609443] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM <6>[ 114.616183] lkdtm: good_stack: c6d77e0c-c6d77e2c <6>[ 114.621094] lkdtm: bad_stack : c6d77d84-c6d77da4 <6>[ 114.626158] lkdtm: attempting good copy_from_user of local stack <6>[ 114.632483] lkdtm: attempting bad copy_from_user of distant stack # [ 114.609443] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 114.616183] lkdtm: good_stack: c6d77e0c-c6d77e2c # [ 114.621094] lkdtm: bad_stack : c6d77d84-c6d77da4 # [ 114.626158] lkdtm: attempting good copy_from_user of local stack # [ 114.632483] 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 <6>[ 115.060578] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND <6>[ 115.067060] lkdtm: good_stack: c68ebe0c-c68ebe2c <6>[ 115.071982] lkdtm: bad_stack : c68ebffc-c68ec01c <6>[ 115.076945] lkdtm: attempting good copy_to_user of local stack <6>[ 115.083160] lkdtm: attempting bad copy_to_user of distant stack # [ 115.060578] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 115.067060] lkdtm: good_stack: c68ebe0c-c68ebe2c # [ 115.071982] lkdtm: bad_stack : c68ebffc-c68ec01c # [ 115.076945] lkdtm: attempting good copy_to_user of local stack # [ 115.083160] 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 <6>[ 115.508791] lkdtm: Performing direct entry USERCOPY_KERNEL <6>[ 115.514611] lkdtm: attempting good copy_to_user from kernel rodata: c15e8df0 <6>[ 115.521961] lkdtm: attempting bad copy_to_user from kernel text: c0539bfc <3>[ 115.529203] lkdtm: FAIL: survived bad copy_to_user() # [ 115.508791] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 115.514611] lkdtm: attempting good copy_to_user from kernel rodata: c15e8df0 # [ 115.521961] lkdtm: attempting bad copy_to_user from kernel text: c0539bfc # [ 115.529203] 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 <6>[ 115.974810] lkdtm: Performing direct entry STACKLEAK_ERASING <6>[ 115.980751] lkdtm: checking unused part of the thread stack (7732 bytes)... <3>[ 115.988083] lkdtm: FAIL: the erased part is not found (checked 7732 bytes) <3>[ 115.995271] lkdtm: FAIL: the thread stack is NOT properly erased <4>[ 116.001555] CPU: 2 PID: 3524 Comm: cat Tainted: G D W 5.10.173-cip27 #1 <4>[ 116.009565] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 116.016357] Backtrace: <4>[ 116.019096] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 116.026935] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcf8 <4>[ 116.032869] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 116.040452] [] (dump_stack) from [] (lkdtm_STACKLEAK_ERASING+0x148/0x174) <4>[ 116.049248] r9:c1acd36c r8:c15e8b44 r7:c46d3f60 r6:c46d3e34 r5:c46d2000 r4:0000078d <4>[ 116.057265] [] (lkdtm_STACKLEAK_ERASING) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 116.066318] r8:c15e8b44 r7:c46d3f60 r6:00000012 r5:c41ff000 r4:00000046 <4>[ 116.073290] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 116.081569] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 116.089756] r9:c46d3f60 r8:c53183c0 r7:00000012 r6:b6dd1000 r5:c47f0000 r4:c0c36620 <4>[ 116.097777] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 116.105877] r9:c07e09f8 r8:c46d3f60 r7:c2815800 r6:b6dd1000 r5:c47f0000 r4:00000000 <4>[ 116.113891] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 116.121295] r10:00000004 r9:00000000 r8:00000000 r7:b6dd1000 r6:c46d2000 r5:c47f0000 <4>[ 116.129391] r4:c47f0000 <4>[ 116.132194] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 116.139598] r9:c46d2000 r8:c03002e4 r7:00000004 r6:b6f18e00 r5:00000012 r4:00000012 <4>[ 116.147615] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 116.155450] Exception stack(0xc46d3fa8 to 0xc46d3ff0) <4>[ 116.160771] 3fa0: 00000012 00000012 00000001 b6dd1000 00000012 00000000 <4>[ 116.169218] 3fc0: 00000012 00000012 b6f18e00 00000004 00000001 00000000 00020000 beee1a64 <4>[ 116.177663] 3fe0: 00000004 beee1798 b6e834cf b6e097e6 # [ 115.974810] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 115.980751] lkdtm: checking unused part of the thread stack (7732 bytes)... # [ 115.988083] lkdtm: FAIL: the erased part is not found (checked 7732 bytes) # [ 115.995271] lkdtm: FAIL: the thread stack is NOT properly erased # [ 116.001555] CPU: 2 PID: 3524 Comm: cat Tainted: G D W 5.10.173-cip27 #1 # [ 116.009565] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 116.016357] Backtrace: # [ 116.019096] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 116.026935] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcf8 # [ 116.032869] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 116.040452] [] (dump_stack) from [] (lkdtm_STACKLEAK_ERASING+0x148/0x174) # [ 116.049248] r9:c1acd36c r8:c15e8b44 r7:c46d3f60 r6:c46d3e34 r5:c46d2000 r4:0000078d # [ 116.057265] [] (lkdtm_STACKLEAK_ERASING) from [] (lkdtm_do_action+0x2c/0x4c) # [ 116.066318] r8:c15e8b44 r7:c46d3f60 r6:00000012 r5:c41ff000 r4:00000046 # [ 116.073290] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 116.081569] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 116.089756] r9:c46d3f60 r8:c53183c0 r7:00000012 r6:b6dd1000 r5:c47f0000 r4:c0c36620 # [ 116.097777] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 116.105877] r9:c07e09f8 r8:c46d3f60 r7:c2815800 r6:b6dd1000 r5:c47f0000 r4:00000000 # [ 116.113891] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 116.121295] r10:00000004 r9:00000000 r8:00000000 r7:b6dd1000 r6:c46d2000 r5:c47f0000 # [ 116.129391] r4:c47f0000 # [ 116.132194] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 116.139598] r9:c46d2000 r8:c03002e4 r7:00000004 r6:b6f18e00 r5:00000012 r4:00000012 # [ 116.147615] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 116.155450] Exception stack(0xc46d3fa8 to 0xc46d3ff0) # [ 116.160771] 3fa0: 00000012 00000012 00000001 b6dd1000 00000012 00000000 # [ 116.169218] 3fc0: 00000012 00000012 b6f18e00 00000004 00000001 00000000 00020000 beee1a64 # [ 116.177663] 3fe0: 00000004 beee1798 b6e834cf b6e097e6 # 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 <6>[ 116.619058] lkdtm: Performing direct entry CFI_FORWARD_PROTO <6>[ 116.625146] lkdtm: Calling matched prototype ... <6>[ 116.630066] lkdtm: Calling mismatched prototype ... <6>[ 116.635270] lkdtm: Fail: survived mismatched prototype function call! # [ 116.619058] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 116.625146] lkdtm: Calling matched prototype ... # [ 116.630066] lkdtm: Calling mismatched prototype ... # [ 116.635270] 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 skip lkdtm_BUG_sh pass lkdtm_WARNING_sh pass lkdtm_WARNING_MESSAGE_sh pass lkdtm_EXCEPTION_sh fail lkdtm_LOOP_sh skip lkdtm_EXHAUST_STACK_sh skip lkdtm_CORRUPT_STACK_sh skip 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 skip lkdtm_DOUBLE_FAULT_sh skip lkdtm_CORRUPT_PAC_sh skip lkdtm_UNALIGNED_LOAD_STORE_WRITE_sh skip lkdtm_OVERWRITE_ALLOCATION_sh skip lkdtm_WRITE_AFTER_FREE_sh skip lkdtm_READ_AFTER_FREE_sh fail 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 skip lkdtm_HARDLOCKUP_sh skip lkdtm_SPINLOCKUP_sh skip 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 skip 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 / #