[Enter `^Ec?' for help] U-Boot 2021.10+dfsg-1+apertis10bv2023dev2b2 (Apr 18 2022 - 16:34:49 +0000) CPU: Freescale i.MX6Q rev1.0 at 792 MHz Reset cause: POR Model: Freescale i.MX6 Quad SABRE Lite Board Board: SABRE Lite I2C: ready DRAM: 1 GiB MMC: FSL_SDHC: 0, FSL_SDHC: 1 Loading Environment from SPIFlash... SF: Detected sst25vf016b with page size 256 Bytes, erase size 4 KiB, total 2 MiB *** Warning - bad CRC, using default environment In: serial Out: serial Err: serial Net: using phy at 6 FEC [PRIME], usb_ether Error: usb_ether address not set. starting USB... Bus usb@2184000: usb dr_mode not found Bus usb@2184200: USB EHCI 1.00 scanning bus usb@2184000 for devices... 1 USB Device(s) found scanning bus usb@2184200 for devices... 2 USB Device(s) found scanning usb for storage devices... 0 Storage Device(s) found scanning usb for ethernet devices... 0 Ethernet Device(s) found Hit any key to stop autoboot: 3  0 => setenv autoload no setenv autoload no => setenv initrd_high 0xffffffff setenv initrd_high 0xffffffff => setenv fdt_high 0xffffffff setenv fdt_high 0xffffffff => dhcp dhcp BOOTP broadcast 1 DHCP client bound to address 192.168.201.13 (5 ms) => setenv serverip 192.168.201.1 setenv serverip 192.168.201.1 => tftp 0x10000000 10590651/tftp-deploy-l5yqndaz/kernel/zImage tftp 0x10000000 10590651/tftp-deploy-l5yqndaz/kernel/zImage Using FEC device TFTP from server 192.168.201.1; our IP address is 192.168.201.13 Filename '10590651/tftp-deploy-l5yqndaz/kernel/zImage'. Load address: 0x10000000 Loading: *################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# # 4.4 MiB/s done Bytes transferred = 12415488 (bd7200 hex) => tftp 0x14000000 10590651/tftp-deploy-l5yqndaz/ramdisk/ramdisk.cpio.gz.uboot tftp 0x14000000 10590651/tftp-deploy-l5yqndaz/ramdisk/ramdisk.cpio.gz.uboot Using FEC device TFTP from server 192.168.201.1; our IP address is 192.168.201.13 Filename '10590651/tftp-deploy-l5yqndaz/ramdisk/ramdisk.cpio.gz.uboot'. Load address: 0x14000000 Loading: *################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ############## 2.8 MiB/s done Bytes transferred = 15458484 (ebe0b4 hex) => setenv initrd_size ${filesize} setenv initrd_size ${filesize} => tftp 0x13f00000 10590651/tftp-deploy-l5yqndaz/dtb/imx6q-sabrelite.dtb tftp 0x13f00000 10590651/tftp-deploy-l5yqndaz/dtb/imx6q-sabrelite.dtb Using FEC device TFTP from server 192.168.201.1; our IP address is 192.168.201.13 Filename '10590651/tftp-deploy-l5yqndaz/dtb/imx6q-sabrelite.dtb'. Load address: 0x13f00000 Loading: *### 2.2 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/10590651/extract-nfsrootfs-4kmfd9k3,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/10590651/extract-nfsrootfs-4kmfd9k3,tcp,hard console_msg_format=syslog earlycon ip=dhcp' => bootz 0x10000000 0x14000000 0x13f00000 bootz 0x10000000 0x14000000 0x13f00000 Kernel image @ 0x10000000 [ 0x000000 - 0xbd7200 ] ## Loading init Ramdisk from Legacy Image at 14000000 ... Image Name: Image Type: ARM Linux RAMDisk Image (uncompressed) Data Size: 15458420 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 5.10.182-cip34 (KernelCI@build-j1608869-arm-gcc-10-multi-v7-defconfig-kselftest-kzn7g) (arm-linux-gnueabihf-gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Mon Jun 5 10:08:49 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/10590651/extract-nfsrootfs-4kmfd9k3,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: 921416K/1048576K available (17408K kernel code, 2658K rwdata, 8112K rodata, 2048K init, 6692K bss, 61624K 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 55481 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 15ns <6>[ 0.000008] sched_clock: 32 bits at 66MHz, resolution 15ns, wraps every 32537631224ns <6>[ 0.008094] clocksource: mxc_timer1: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 28958491609 ns <6>[ 0.022463] Console: colour dummy device 80x30 <4>[ 0.024371] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar <4>[ 0.032381] ... MAX_LOCKDEP_SUBCLASSES: 8 <4>[ 0.036724] ... MAX_LOCK_DEPTH: 48 <4>[ 0.041137] ... MAX_LOCKDEP_KEYS: 8192 <4>[ 0.045770] ... CLASSHASH_SIZE: 4096 <4>[ 0.050356] ... MAX_LOCKDEP_ENTRIES: 32768 <4>[ 0.055055] ... MAX_LOCKDEP_CHAINS: 65536 <4>[ 0.059778] ... CHAINHASH_SIZE: 32768 <4>[ 0.064451] memory used by lock dependency info: 4061 kB <4>[ 0.070130] memory used for stack traces: 2112 kB <4>[ 0.075152] per task-struct memory footprint: 1536 bytes <6>[ 0.080889] Calibrating delay loop (skipped), value calculated using timer frequency.. 132.00 BogoMIPS (lpj=660000) <6>[ 0.091543] pid_max: default: 32768 minimum: 301 <6>[ 0.096740] LSM: Security Framework initializing <6>[ 0.101330] LSM support for eBPF active <6>[ 0.105450] Mount-cache hash table entries: 2048 (order: 1, 8192 bytes, linear) <6>[ 0.112934] Mountpoint-cache hash table entries: 2048 (order: 1, 8192 bytes, linear) <6>[ 0.123471] CPU: Testing write buffer coherency: ok <6>[ 0.126090] CPU0: Spectre v2: using BPIALL workaround <6>[ 0.132242] CPU0: thread -1, cpu 0, socket 0, mpidr 80000000 <6>[ 0.140858] Setting up static identity map for 0x10300000 - 0x103000ac <6>[ 0.147302] rcu: Hierarchical SRCU implementation. <6>[ 0.158622] EFI services will not be available. <6>[ 0.161722] smp: Bringing up secondary CPUs ... <6>[ 0.168318] CPU1: thread -1, cpu 1, socket 0, mpidr 80000001 <6>[ 0.168334] CPU1: Spectre v2: using BPIALL workaround <6>[ 0.180224] CPU2: thread -1, cpu 2, socket 0, mpidr 80000002 <6>[ 0.180238] CPU2: Spectre v2: using BPIALL workaround <6>[ 0.191781] CPU3: thread -1, cpu 3, socket 0, mpidr 80000003 <6>[ 0.191795] CPU3: Spectre v2: using BPIALL workaround <6>[ 0.200838] smp: Brought up 1 node, 4 CPUs <6>[ 0.204541] SMP: Total of 4 processors activated (528.00 BogoMIPS). <6>[ 0.211170] CPU: All CPU(s) started in SVC mode. <6>[ 0.218507] devtmpfs: initialized <6>[ 0.268600] VFP support v0.3: implementor 41 architecture 3 part 30 variant 9 rev 4 <6>[ 0.276162] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns <6>[ 0.283889] futex hash table entries: 1024 (order: 4, 65536 bytes, linear) <6>[ 0.295801] pinctrl core: initialized pinctrl subsystem <6>[ 0.304742] DMI not present or invalid. <6>[ 0.308172] NET: Registered protocol family 16 <6>[ 0.320458] DMA: preallocated 256 KiB pool for atomic coherent allocations <6>[ 0.333320] thermal_sys: Registered thermal governor 'step_wise' <6>[ 0.333825] cpuidle: using governor menu <6>[ 0.341899] CPU identified as i.MX6Q, silicon rev 1.0 <6>[ 0.995830] vdd1p1: supplied by regulator-dummy <6>[ 1.025341] vdd3p0: supplied by regulator-dummy <6>[ 1.054506] vdd2p5: supplied by regulator-dummy <6>[ 1.083763] vddarm: supplied by regulator-dummy <6>[ 1.113769] vddpu: supplied by regulator-dummy <6>[ 1.142311] vddsoc: supplied by regulator-dummy <6>[ 2.306625] No ATAGs? <6>[ 2.307463] hw-breakpoint: found 5 (+1 reserved) breakpoint and 1 watchpoint registers. <6>[ 2.314602] hw-breakpoint: maximum watchpoint size is 4 bytes. <6>[ 2.337904] imx6q-pinctrl 20e0000.pinctrl: initialized IMX pinctrl driver <6>[ 2.367841] Serial: AMBA PL011 UART driver <6>[ 2.425449] Kprobes globally optimized <6>[ 2.530462] iommu: Default domain type: Translated <6>[ 2.534985] vgaarb: loaded <5>[ 2.540038] SCSI subsystem initialized <6>[ 2.543336] usbcore: registered new interface driver usbfs <6>[ 2.547267] usbcore: registered new interface driver hub <6>[ 2.552703] usbcore: registered new device driver usb <6>[ 2.564643] i2c i2c-0: IMX I2C adapter registered <6>[ 2.572981] i2c i2c-1: IMX I2C adapter registered <6>[ 2.579163] i2c i2c-2: IMX I2C adapter registered <6>[ 2.585411] pps_core: LinuxPPS API ver. 1 registered <6>[ 2.587862] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <6>[ 2.597306] PTP clock support registered <6>[ 2.617472] clocksource: Switched to clocksource mxc_timer1 <6>[ 4.195857] NET: Registered protocol family 2 <6>[ 4.198467] IP idents hash table entries: 16384 (order: 5, 131072 bytes, linear) <6>[ 4.208364] tcp_listen_portaddr_hash hash table entries: 512 (order: 2, 22528 bytes, linear) <6>[ 4.214376] TCP established hash table entries: 8192 (order: 3, 32768 bytes, linear) <6>[ 4.222504] TCP bind hash table entries: 8192 (order: 6, 327680 bytes, linear) <6>[ 4.231191] TCP: Hash tables configured (established 8192 bind 8192) <6>[ 4.237531] MPTCP token hash table entries: 1024 (order: 3, 49152 bytes, linear) <6>[ 4.244286] UDP hash table entries: 512 (order: 3, 49152 bytes, linear) <6>[ 4.251161] UDP-Lite hash table entries: 512 (order: 3, 49152 bytes, linear) <6>[ 4.258922] NET: Registered protocol family 1 <6>[ 4.265282] RPC: Registered named UNIX socket transport module. <6>[ 4.269089] RPC: Registered udp transport module. <6>[ 4.273925] RPC: Registered tcp transport module. <6>[ 4.278950] RPC: Registered tcp NFSv4.1 backchannel transport module. <6>[ 4.285602] NET: Registered protocol family 44 <6>[ 4.290361] PCI: CLS 0 bytes, default 64 <6>[ 4.296670] Trying to unpack rootfs image as initramfs... <6>[ 6.087715] Freeing initrd memory: 15100K <4>[ 6.090272] hw perfevents: no interrupt-affinity property for /pmu, guessing. <6>[ 6.097811] hw perfevents: enabled with armv7_cortex_a9 PMU driver, 7 counters available <5>[ 6.113060] Initialise system trusted keyrings <6>[ 6.115856] workingset: timestamp_bits=30 max_order=18 bucket_order=0 <6>[ 6.165417] squashfs: version 4.0 (2009/01/31) Phillip Lougher <5>[ 6.171966] NFS: Registering the id_resolver key type <5>[ 6.174620] Key type id_resolver registered <5>[ 6.178978] Key type id_legacy registered <6>[ 6.183680] nfs4filelayout_init: NFSv4 File Layout Driver Registering... <6>[ 6.190237] nfs4flexfilelayout_init: NFSv4 Flexfile Layout Driver Registering... <6>[ 6.197998] ntfs: driver 2.1.32 [Flags: R/O]. <5>[ 6.204233] Key type asymmetric registered <5>[ 6.206809] Asymmetric key parser 'x509' registered <6>[ 6.212234] bounce: pool size: 64 pages <6>[ 6.216058] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 247) <6>[ 6.223727] io scheduler mq-deadline registered <6>[ 6.228458] io scheduler kyber registered <4>[ 6.233478] test_firmware: interface ready <6>[ 6.396718] mxs-dma 110000.dma-apbh: initialized <4>[ 6.456767] imx-sdma 20ec000.sdma: Direct firmware load for imx/sdma/sdma-imx6q.bin failed with error -2 <6>[ 6.463987] imx-sdma 20ec000.sdma: external firmware not found, using ROM firmware <6>[ 6.677567] Serial: 8250/16550 driver, 5 ports, IRQ sharing enabled <6>[ 6.699792] SuperH (H)SCI(F) driver initialized <6>[ 6.704403] 2020000.serial: ttymxc0 at MMIO 0x2020000 (irq = 34, base_baud = 5000000) is a IMX <6>[ 6.715283] 21e8000.serial: ttymxc1 at MMIO 0x21e8000 (irq = 81, base_baud = 5000000) is a IMX <6>[ 6.721797] printk: console [ttymxc1] enabled <6>[ 6.721797] printk: console [ttymxc1] enabled <6>[ 6.730614] printk: bootconsole [ec_imx21] disabled <6>[ 6.730614] printk: bootconsole [ec_imx21] disabled <6>[ 6.746623] msm_serial: driver initialized <6>[ 6.752091] STMicroelectronics ASC driver initialized <6>[ 6.763418] STM32 USART driver initialized <6>[ 6.788519] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 0 <4>[ 6.810093] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 6.818716] panel-simple panel-lcd: Specify missing connector_type <4>[ 6.826579] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 6.875828] brd: module loaded <6>[ 6.929907] loop: module loaded <6>[ 6.936189] lkdtm: No crash points registered, enable through debugfs <6>[ 6.957138] ahci-imx 2200000.sata: fsl,transmit-level-mV not specified, using 00000024 <6>[ 6.965447] ahci-imx 2200000.sata: fsl,transmit-boost-mdB not specified, using 00000480 <6>[ 6.973804] ahci-imx 2200000.sata: fsl,transmit-atten-16ths not specified, using 00002000 <6>[ 6.982329] ahci-imx 2200000.sata: fsl,receive-eq-mdB not specified, using 05000000 <4>[ 6.990596] ahci-imx 2200000.sata: supply ahci not found, using dummy regulator <4>[ 6.998987] ahci-imx 2200000.sata: supply phy not found, using dummy regulator <4>[ 7.006987] ahci-imx 2200000.sata: supply target not found, using dummy regulator <6>[ 7.018508] ahci-imx 2200000.sata: SSS flag set, parallel bus scan disabled <6>[ 7.025793] ahci-imx 2200000.sata: AHCI 0001.0300 32 slots 1 ports 3 Gbps 0x1 impl platform mode <6>[ 7.034969] ahci-imx 2200000.sata: flags: ncq sntf stag pm led clo only pmp pio slum part ccc apst <6>[ 7.049160] scsi host0: ahci-imx <6>[ 7.054741] ata1: SATA max UDMA/133 mmio [mem 0x02200000-0x02203fff] port 0x100 irq 84 <6>[ 7.114310] bgmac_bcma: Broadcom 47xx GBit MAC driver loaded <6>[ 7.127804] pps pps0: new PPS source ptp0 <6>[ 7.172346] fec 2188000.ethernet eth0: registered PHC device 0 <6>[ 7.182842] e1000e: Intel(R) PRO/1000 Network Driver <6>[ 7.188155] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. <6>[ 7.194587] igb: Intel(R) Gigabit Ethernet Network Driver <6>[ 7.200325] igb: Copyright (c) 2007-2014 Intel Corporation. <6>[ 7.226426] pegasus: v0.9.3 (2013/04/25), Pegasus/Pegasus II USB Ethernet driver <6>[ 7.234305] usbcore: registered new interface driver pegasus <6>[ 7.240487] usbcore: registered new interface driver asix <6>[ 7.246322] usbcore: registered new interface driver ax88179_178a <6>[ 7.252880] usbcore: registered new interface driver cdc_ether <6>[ 7.259253] usbcore: registered new interface driver smsc75xx <6>[ 7.265473] usbcore: registered new interface driver smsc95xx <6>[ 7.271685] usbcore: registered new interface driver net1080 <6>[ 7.277807] usbcore: registered new interface driver cdc_subset <6>[ 7.284156] usbcore: registered new interface driver zaurus <6>[ 7.290318] usbcore: registered new interface driver cdc_ncm <6>[ 7.308086] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver <6>[ 7.314974] ehci-pci: EHCI PCI platform driver <6>[ 7.319896] ehci-platform: EHCI generic platform driver <6>[ 7.326319] ehci-orion: EHCI orion driver <6>[ 7.331501] SPEAr-ehci: EHCI SPEAr driver <6>[ 7.336586] ehci-st: EHCI STMicroelectronics driver <6>[ 7.342577] ehci-exynos: EHCI Exynos driver <6>[ 7.347865] ehci-atmel: EHCI Atmel driver <6>[ 7.352924] tegra-ehci: Tegra EHCI driver <6>[ 7.358094] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver <6>[ 7.364629] ohci-pci: OHCI PCI platform driver <6>[ 7.369550] ohci-platform: OHCI generic platform driver <6>[ 7.375925] SPEAr-ohci: OHCI SPEAr driver <6>[ 7.381063] ohci-st: OHCI STMicroelectronics driver <6>[ 7.387005] ohci-atmel: OHCI Atmel driver <6>[ 7.394531] usbcore: registered new interface driver usb-storage <6>[ 7.399981] ata1: SATA link down (SStatus 0 SControl 300) <6>[ 7.406820] ahci-imx 2200000.sata: no device found, disabling link. <6>[ 7.413477] ahci-imx 2200000.sata: pass ahci_imx..hotplug=1 to enable hotplug <6>[ 7.430690] i2c /dev entries driver <6>[ 7.509783] sdhci: Secure Digital Host Controller Interface driver <6>[ 7.516260] sdhci: Copyright(c) Pierre Ossman <6>[ 7.529832] Synopsys Designware Multimedia Card Interface Driver <6>[ 7.542897] sdhci-pltfm: SDHCI platform and OF driver helper <6>[ 7.552455] sdhci-esdhc-imx 219c000.mmc: Got CD GPIO <6>[ 7.552463] sdhci-esdhc-imx 2198000.mmc: Got CD GPIO <6>[ 7.563327] sdhci-esdhc-imx 2198000.mmc: Got WP GPIO <6>[ 7.569998] ledtrig-cpu: registered to indicate activity on CPUs <6>[ 7.579817] usbcore: registered new interface driver usbhid <6>[ 7.585682] usbhid: USB HID core driver <6>[ 7.591308] mmc3: SDHCI controller on 219c000.mmc [219c000.mmc] using ADMA <6>[ 7.603871] mmc2: SDHCI controller on 2198000.mmc [2198000.mmc] using ADMA <6>[ 7.612312] netem: version 1.3 <6>[ 7.615987] ipip: IPv4 and MPLS over IPv4 tunneling driver <6>[ 7.624142] IPv4 over IPsec tunneling driver <6>[ 7.633259] NET: Registered protocol family 10 <6>[ 7.643427] Segment Routing with IPv6 <6>[ 7.653056] NET: Registered protocol family 17 <5>[ 7.659921] Key type dns_resolver registered <6>[ 7.676560] ThumbEE CPU extension supported. <5>[ 7.681244] Registering SWP/SWPB emulation handler <5>[ 7.687940] Loading compiled-in X.509 certificates <6>[ 7.718850] mmc2: new high speed SDHC card at address 0001 <6>[ 7.729136] mmcblk2: mmc2:0001 SD 14.8 GiB <4>[ 7.754039] GPT:Primary header thinks Alt. header is not at the end of the disk. <4>[ 7.761973] GPT:29296874 != 30965759 <4>[ 7.765846] GPT:Alternate GPT header not at the end of the disk. <4>[ 7.772201] GPT:29296874 != 30965759 <4>[ 7.776067] GPT: Use GNU Parted to correct GPT errors. <6>[ 7.781660] mmcblk2: p1 p2 p3 <4>[ 7.883444] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 7.892363] panel-simple panel-lcd: Specify missing connector_type <4>[ 7.906740] panel-simple panel-lvds0: supply power not found, using dummy regulator <4>[ 7.945918] imx_usb 2184200.usb: No over current polarity defined <6>[ 7.959841] ci_hdrc ci_hdrc.1: EHCI Host Controller <6>[ 7.965370] ci_hdrc ci_hdrc.1: new USB bus registered, assigned bus number 1 <6>[ 8.000002] ci_hdrc ci_hdrc.1: USB 2.0 started, EHCI 1.00 <6>[ 8.018458] hub 1-0:1.0: USB hub found <6>[ 8.023101] hub 1-0:1.0: 1 port detected <3>[ 8.038564] imx_thermal 20c8000.anatop:tempmon: invalid sensor calibration data <3>[ 8.046179] imx_thermal 20c8000.anatop:tempmon: error -EINVAL: failed to init from nvmem <4>[ 8.054701] imx_thermal: probe of 20c8000.anatop:tempmon failed with error -22 <4>[ 8.084198] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 8.092886] panel-simple panel-lcd: Specify missing connector_type <4>[ 8.107098] panel-simple panel-lvds0: supply power not found, using dummy regulator <4>[ 8.140464] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 8.149082] panel-simple panel-lcd: Specify missing connector_type <4>[ 8.163201] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 8.182297] input: gpio-keys as /devices/platform/gpio-keys/input/input0 <4>[ 8.214258] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 8.222949] panel-simple panel-lcd: Specify missing connector_type <4>[ 8.237320] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 8.260737] Micrel KSZ9021 Gigabit PHY 2188000.ethernet-1:06: attached PHY driver [Micrel KSZ9021 Gigabit PHY] (mii_bus:phy_addr=2188000.ethernet-1:06, irq=POLL) <6>[ 8.437707] usb 1-1: new high-speed USB device number 2 using ci_hdrc <6>[ 8.645864] hub 1-1:1.0: USB hub found <6>[ 8.651775] hub 1-1:1.0: 3 ports detected <4>[ 8.681935] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 8.690563] panel-simple panel-lcd: Specify missing connector_type <4>[ 8.704924] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 10.399214] fec 2188000.ethernet eth0: Link is Up - 100Mbps/Full - flow control off <6>[ 10.408130] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready <5>[ 10.437378] Sending DHCP requests ., OK <6>[ 10.481924] IP-Config: Got DHCP answer from 192.168.201.1, my address is 192.168.201.13 <6>[ 10.490339] IP-Config: Complete: <6>[ 10.493863] device=eth0, hwaddr=00:19:b8:00:e5:47, ipaddr=192.168.201.13, mask=255.255.255.0, gw=192.168.201.1 <6>[ 10.504638] host=imx6q-sabrelite-lava-cbg-2, domain=lava-rack, nis-domain=(none) <6>[ 10.512840] bootserver=192.168.201.1, rootserver=192.168.201.1, rootpath= <6>[ 10.512860] nameserver0=192.168.201.1 <6>[ 10.581413] Freeing unused kernel memory: 2048K <6>[ 10.609263] Run /init as init process Loading, please wait... Starting version 247.3-7+deb11u2 <6>[ 15.060917] imx-ipuv3 2400000.ipu: IPUv3H probed <4>[ 15.092640] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 15.102645] panel-simple panel-lcd: Specify missing connector_type <6>[ 15.121163] imx-ipuv3 2800000.ipu: IPUv3H probed <4>[ 15.135789] panel-simple panel-lvds0: supply power not found, using dummy regulator <4>[ 15.176157] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 15.188992] panel-simple panel-lcd: Specify missing connector_type <4>[ 15.203861] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 15.245516] CAN device driver interface <4>[ 15.253710] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 15.262463] panel-simple panel-lcd: Specify missing connector_type <4>[ 15.277010] panel-simple panel-lvds0: supply power not found, using dummy regulator <4>[ 15.311147] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 15.319864] panel-simple panel-lcd: Specify missing connector_type <6>[ 15.342428] etnaviv etnaviv: bound 130000.gpu (ops gpu_ops [etnaviv]) <6>[ 15.365693] etnaviv etnaviv: bound 134000.gpu (ops gpu_ops [etnaviv]) <6>[ 15.388437] etnaviv etnaviv: bound 2204000.gpu (ops gpu_ops [etnaviv]) <6>[ 15.395326] etnaviv-gpu 130000.gpu: model: GC2000, revision: 5108 <6>[ 15.406568] etnaviv-gpu 134000.gpu: model: GC320, revision: 5007 <6>[ 15.422794] etnaviv-gpu 2204000.gpu: model: GC355, revision: 1215 <6>[ 15.429315] etnaviv-gpu 2204000.gpu: Ignoring GPU with VG and FE2.0 <6>[ 15.435712] caam 2100000.crypto: Entropy delay = 3200 <6>[ 15.441974] [drm] Initialized etnaviv 1.3.0 20151214 for etnaviv on minor 1 <4>[ 15.455619] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 15.502151] caam 2100000.crypto: Instantiated RNG4 SH0 <4>[ 15.539413] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 15.548325] panel-simple panel-lcd: Specify missing connector_type <6>[ 15.562912] caam 2100000.crypto: Instantiated RNG4 SH1 <6>[ 15.568442] caam 2100000.crypto: device ID = 0x0a16010000000000 (Era 4) <6>[ 15.575357] caam 2100000.crypto: job rings = 2, qi = 0 <4>[ 15.602295] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 15.622447] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) <6>[ 15.631727] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) <6>[ 15.641589] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) <6>[ 15.651201] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) <4>[ 15.672284] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 15.681376] panel-simple panel-lcd: Specify missing connector_type <4>[ 15.698096] usb_phy_generic usbphynop1: supply vcc not found, using dummy regulator <4>[ 15.707093] usb_phy_generic usbphynop1: dummy supplies not allowed for exclusive requests <4>[ 15.716346] usb_phy_generic usbphynop2: supply vcc not found, using dummy regulator <4>[ 15.734239] usb_phy_generic usbphynop2: dummy supplies not allowed for exclusive requests <6>[ 15.769693] sgtl5000 0-000a: sgtl5000 revision 0x11 <6>[ 15.786692] sgtl5000 0-000a: Using internal LDO instead of VDDD: check ER1 erratum <4>[ 15.789837] panel-simple panel-lvds0: supply power not found, using dummy regulator <4>[ 15.835482] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 15.844896] panel-simple panel-lcd: Specify missing connector_type <6>[ 15.923637] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) <6>[ 15.932735] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) <6>[ 15.941711] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) <6>[ 15.950509] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) <4>[ 16.000343] panel-simple panel-lvds0: supply power not found, using dummy regulator <4>[ 16.126384] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 16.135696] panel-simple panel-lcd: Specify missing connector_type <6>[ 16.187813] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) <6>[ 16.196548] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) <6>[ 16.205515] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) <6>[ 16.214324] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) <6>[ 16.741227] caam algorithms registered in /proc/crypto <6>[ 16.753323] caam 2100000.crypto: registering rng-caam <5>[ 16.882398] random: crng init done <4>[ 16.893661] panel-simple panel-lvds0: supply power not found, using dummy regulator <4>[ 16.927689] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 16.936355] panel-simple panel-lcd: Specify missing connector_type <6>[ 16.957717] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) <6>[ 16.966455] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) <6>[ 16.975373] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) <6>[ 16.984118] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) <4>[ 17.004125] panel-simple panel-lvds0: supply power not found, using dummy regulator <4>[ 17.037961] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 17.046634] panel-simple panel-lcd: Specify missing connector_type <6>[ 17.066530] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) <6>[ 17.075360] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) <6>[ 17.084244] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) <6>[ 17.092970] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) Begin: Loading essential drivers ... done. Begin: Running /scripts/init-premount ... done. Begin: Mounting root file system ... Begin: Running /scripts/nfs-top ... done. Begin: Running /scripts/nfs-premount ... Waiting up to 60 secs for any ethernet to become available Device /sys/class/net/eth0 found done. IP-Config: eth0 hardware address 00:19:b8:00:e5:47 mtu 1500 DHCP IP-Config: eth0 complete (dhcp from 192.168.201.1): address: 192.168.201.13 broadcast: 192.168.201.255 netmask: 255.255.255.0 gateway: 192.168.201.1 dns0 : 192.168.201.1 dns1 : 0.0.0.0 host : imx6q-sabrelite-lava-cbg-2 domain : lava-rack rootserver: 192.168.201.1 rootpath: filename : done. Begin: Running /scripts/nfs-bottom ... done. Begin: Running /scripts/init-bottom ... done. <30>[ 19.309425] systemd[1]: System time before build time, advancing clock. <30>[ 19.567415] systemd[1]: systemd 247.3-7+deb11u2 running in system mode. (+PAM +AUDIT +SELINUX +IMA +APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL +XZ +LZ4 +ZSTD +SECCOMP +BLKID +ELFUTILS +KMOD +IDN2 -IDN +PCRE2 default-hierarchy=unified) <30>[ 19.601213] systemd[1]: Detected architecture arm. Welcome to Debian GNU/Linux 11 (bullseye)! <30>[ 19.674753] systemd[1]: Set hostname to . <30>[ 21.511464] systemd[1]: Queued start job for default target Graphical Interface. <30>[ 21.526403] systemd[1]: Created slice system-getty.slice. [ OK ] Created slice system-getty.slice. <30>[ 21.573135] systemd[1]: Created slice system-modprobe.slice. [ OK ] Created slice system-modprobe.slice. <30>[ 21.623199] systemd[1]: Created slice system-serial\x2dgetty.slice. [ OK ] Created slice system-serial\x2dgetty.slice. <30>[ 21.672483] systemd[1]: Created slice User and Session Slice. [ OK ] Created slice User and Session Slice. <30>[ 21.722256] systemd[1]: Started Dispatch Password Requests to Console Directory Watch. [ OK ] Started Dispatch Password …ts to Console Directory Watch. <30>[ 21.771391] systemd[1]: Started Forward Password Requests to Wall Directory Watch. [ OK ] Started Forward Password R…uests to Wall Directory Watch. <30>[ 21.819700] systemd[1]: Condition check resulted in Arbitrary Executable File Formats File System Automount Point being skipped. <30>[ 21.832852] systemd[1]: Reached target Local Encrypted Volumes. [ OK ] Reached target Local Encrypted Volumes. <30>[ 21.868851] systemd[1]: Reached target Paths. [ OK ] Reached target Paths. <30>[ 21.907791] systemd[1]: Reached target Remote File Systems. [ OK ] Reached target Remote File Systems. <30>[ 21.948270] systemd[1]: Reached target Slices. [ OK ] Reached target Slices. <30>[ 21.989207] systemd[1]: Reached target Swap. [ OK ] Reached target Swap. <30>[ 22.032332] systemd[1]: Listening on initctl Compatibility Named Pipe. [ OK ] Listening on initctl Compatibility Named Pipe. <30>[ 22.136090] systemd[1]: Condition check resulted in Journal Audit Socket being skipped. <30>[ 22.154394] systemd[1]: Listening on Journal Socket (/dev/log). [ OK ] Listening on Journal Socket (/dev/log). <30>[ 22.213914] systemd[1]: Listening on Journal Socket. [ OK ] Listening on Journal Socket. <30>[ 22.263471] systemd[1]: Listening on Network Service Netlink Socket. [ OK ] Listening on Network Service Netlink Socket. <30>[ 22.319618] systemd[1]: Listening on udev Control Socket. [ OK ] Listening on udev Control Socket. <30>[ 22.362096] systemd[1]: Listening on udev Kernel Socket. [ OK ] Listening on udev Kernel Socket. <30>[ 22.411510] systemd[1]: Condition check resulted in Huge Pages File System being skipped. <30>[ 22.422190] systemd[1]: Condition check resulted in POSIX Message Queue File System being skipped. <30>[ 22.444077] systemd[1]: Mounting Kernel Debug File System... Mounting Kernel Debug File System... <30>[ 22.497568] systemd[1]: Mounting Kernel Trace File System... Mounting Kernel Trace File System... <30>[ 22.566018] systemd[1]: Starting Create list of static device nodes for the current kernel... Starting Create list of st…odes for the current kernel... <30>[ 22.631405] systemd[1]: Starting Load Kernel Module configfs... Starting Load Kernel Module configfs... <30>[ 22.688484] systemd[1]: Starting Load Kernel Module drm... Starting Load Kernel Module drm... <30>[ 22.748986] systemd[1]: Starting Load Kernel Module fuse... Starting Load Kernel Module fuse... <30>[ 22.796944] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped. <30>[ 22.830000] systemd[1]: Starting Journal Service... <6>[ 22.836277] fuse: init (API version 7.32) Starting Journal Service... <30>[ 22.905112] systemd[1]: Starting Load Kernel Modules... Starting Load Kernel Modules... <30>[ 22.953305] systemd[1]: Starting Remount Root and Kernel File Systems... Starting Remount Root and Kernel File Systems... <30>[ 23.012991] systemd[1]: Starting Coldplug All udev Devices... Starting Coldplug All udev Devices... <30>[ 23.089986] systemd[1]: Mounted Kernel Debug File System. [ OK ] Mounted Kernel Debug File System. <30>[ 23.140751] systemd[1]: Mounted Kernel Trace File System. [ OK ] Mounted Kernel Trace File System. <30>[ 23.197590] 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>[ 23.291416] systemd[1]: modprobe@configfs.service: Succeeded. <30>[ 23.302688] systemd[1]: Finished Load Kernel Module configfs. [ OK ] Finished Load Kernel Module configfs. <30>[ 23.354550] systemd[1]: modprobe@drm.service: Succeeded. <30>[ 23.365279] systemd[1]: Finished Load Kernel Module drm. [ OK ] Finished Load Kernel Module drm. <30>[ 23.424313] systemd[1]: modprobe@fuse.service: Succeeded. <30>[ 23.435251] systemd[1]: Finished Load Kernel Module fuse. [ OK ] Finished Load Kernel Module fuse. <30>[ 23.493640] systemd[1]: Finished Load Kernel Modules. [ OK ] Finished Load Kernel Modules. <30>[ 23.533547] systemd[1]: Finished Remount Root and Kernel File Systems. [ OK ] Finished Remount Root and Kernel File Systems. <30>[ 23.600927] systemd[1]: Mounting FUSE Control File System... Mounting FUSE Control File System... <30>[ 23.658374] systemd[1]: Mounting Kernel Configuration File System... Mounting Kernel Configuration File System... <30>[ 23.717737] systemd[1]: Condition check resulted in Rebuild Hardware Database being skipped. <30>[ 23.728158] systemd[1]: Condition check resulted in Platform Persistent Storage Archival being skipped. <30>[ 23.748132] systemd[1]: Starting Load/Save Random Seed... Starting Load/Save Random Seed... <30>[ 23.808396] systemd[1]: Starting Apply Kernel Variables... Starting Apply Kernel Variables... <30>[ 23.869522] systemd[1]: Starting Create System Users... Starting Create System Users... <30>[ 23.926070] systemd[1]: Started Journal Service. [ OK ] Started Journal Service. [ OK ] Mounted FUSE Control File System. [ OK ] Mounted Kernel Configuration File System. [ OK ] Finished Load/Save Random Seed. [ OK ] Finished Apply Kernel Variables. [ OK ] Finished Create System Users. Starting Flush Journal to Persistent Storage... Starting Create Static Device Nodes in /dev... <46>[ 24.386291] systemd-journald[280]: 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 ] 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 ] Finished Remove Stale Onli…ext4 Metadata Check Snapshots. [ 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 5.10.182-cip34 #1 SMP Mon Jun 5 10:08:49 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/10590651/extract-nfsrootfs-4kmfd9k3' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/10590651/extract-nfsrootfs-4kmfd9k3' / # 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-10590651/environment . /lava-10590651/environment / # /lava-10590651/bin/lava-test-runner /lava-10590651/0 /lava-10590651/bin/lava-test-runner /lava-10590651/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-10590651/0/tests/0_timesync-off ++ cat uuid + UUID=10590651_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-10590651/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=10590651_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/v5.10.180-cip34-236-g6d219c607dc68/arm/multi_v7_defconfig+kselftest/gcc-10/kselftest.tar.xz -L '' -S /dev/null -b imx6q-sabrelite -g cip-gitlab -e '' -p /opt/kselftests/mainline/ -n 1 -i 1 INFO: install_deps skipped --2023-06-05 10:21:44-- http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.180-cip34-236-g6d219c607dc68/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: 1409280 (1.3M) [application/octet-stream] Saving to: 'kselftest.tar.xz' kselftest.tar.xz 0%[ ] 0 --.-KB/s kselftest.tar.xz 3%[ ] 43.57K 151KB/s kselftest.tar.xz 15%[==> ] 218.91K 377KB/s kselftest.tar.xz 62%[===========> ] 858.07K 844KB/s kselftest.tar.xz 100%[===================>] 1.34M 1.15MB/s in 1.2s 2023-06-05 10:21:45 (1.15 MB/s) - 'kselftest.tar.xz' saved [1409280/1409280] skiplist: ======================================== ======================================== lkdtm:PANIC.sh lkdtm:BUG.sh lkdtm:WARNING.sh lkdtm:WARNING_MESSAGE.sh lkdtm:EXCEPTION.sh lkdtm:LOOP.sh lkdtm:EXHAUST_STACK.sh lkdtm:CORRUPT_STACK.sh lkdtm:CORRUPT_STACK_STRONG.sh lkdtm:CORRUPT_LIST_ADD.sh lkdtm:CORRUPT_LIST_DEL.sh lkdtm:STACK_GUARD_PAGE_LEADING.sh lkdtm:STACK_GUARD_PAGE_TRAILING.sh lkdtm:UNSET_SMEP.sh lkdtm:DOUBLE_FAULT.sh lkdtm:CORRUPT_PAC.sh lkdtm:UNALIGNED_LOAD_STORE_WRITE.sh lkdtm:OVERWRITE_ALLOCATION.sh lkdtm:WRITE_AFTER_FREE.sh lkdtm:READ_AFTER_FREE.sh lkdtm:WRITE_BUDDY_AFTER_FREE.sh lkdtm:READ_BUDDY_AFTER_FREE.sh lkdtm:SLAB_FREE_DOUBLE.sh lkdtm:SLAB_FREE_CROSS.sh lkdtm:SLAB_FREE_PAGE.sh lkdtm:SOFTLOCKUP.sh lkdtm:HARDLOCKUP.sh lkdtm:SPINLOCKUP.sh lkdtm:HUNG_TASK.sh lkdtm:EXEC_DATA.sh lkdtm:EXEC_STACK.sh lkdtm:EXEC_KMALLOC.sh lkdtm:EXEC_VMALLOC.sh lkdtm:EXEC_RODATA.sh lkdtm:EXEC_USERSPACE.sh lkdtm:EXEC_NULL.sh lkdtm:ACCESS_USERSPACE.sh lkdtm:ACCESS_NULL.sh lkdtm:WRITE_RO.sh lkdtm:WRITE_RO_AFTER_INIT.sh lkdtm:WRITE_KERN.sh lkdtm:REFCOUNT_INC_OVERFLOW.sh lkdtm:REFCOUNT_ADD_OVERFLOW.sh lkdtm:REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_DEC_ZERO.sh lkdtm:REFCOUNT_DEC_NEGATIVE.sh lkdtm:REFCOUNT_DEC_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_SUB_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_INC_ZERO.sh lkdtm:REFCOUNT_ADD_ZERO.sh lkdtm:REFCOUNT_INC_SATURATED.sh lkdtm:REFCOUNT_DEC_SATURATED.sh lkdtm:REFCOUNT_ADD_SATURATED.sh lkdtm:REFCOUNT_INC_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_DEC_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_SUB_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_TIMING.sh lkdtm:ATOMIC_TIMING.sh lkdtm:USERCOPY_HEAP_SIZE_TO.sh lkdtm:USERCOPY_HEAP_SIZE_FROM.sh lkdtm:USERCOPY_HEAP_WHITELIST_TO.sh lkdtm:USERCOPY_HEAP_WHITELIST_FROM.sh lkdtm:USERCOPY_STACK_FRAME_TO.sh lkdtm:USERCOPY_STACK_FRAME_FROM.sh lkdtm:USERCOPY_STACK_BEYOND.sh lkdtm:USERCOPY_KERNEL.sh lkdtm:STACKLEAK_ERASING.sh lkdtm:CFI_FORWARD_PROTO.sh ============== Tests to run =============== lkdtm:PANIC.sh lkdtm:BUG.sh lkdtm:WARNING.sh lkdtm:WARNING_MESSAGE.sh lkdtm:EXCEPTION.sh lkdtm:LOOP.sh lkdtm:EXHAUST_STACK.sh lkdtm:CORRUPT_STACK.sh lkdtm:CORRUPT_STACK_STRONG.sh lkdtm:CORRUPT_LIST_ADD.sh lkdtm:CORRUPT_LIST_DEL.sh lkdtm:STACK_GUARD_PAGE_LEADING.sh lkdtm:STACK_GUARD_PAGE_TRAILING.sh lkdtm:UNSET_SMEP.sh lkdtm:DOUBLE_FAULT.sh lkdtm:CORRUPT_PAC.sh lkdtm:UNALIGNED_LOAD_STORE_WRITE.sh lkdtm:OVERWRITE_ALLOCATION.sh lkdtm:WRITE_AFTER_FREE.sh lkdtm:READ_AFTER_FREE.sh lkdtm:WRITE_BUDDY_AFTER_FREE.sh lkdtm:READ_BUDDY_AFTER_FREE.sh lkdtm:SLAB_FREE_DOUBLE.sh lkdtm:SLAB_FREE_CROSS.sh lkdtm:SLAB_FREE_PAGE.sh lkdtm:SOFTLOCKUP.sh lkdtm:HARDLOCKUP.sh lkdtm:SPINLOCKUP.sh lkdtm:HUNG_TASK.sh lkdtm:EXEC_DATA.sh lkdtm:EXEC_STACK.sh lkdtm:EXEC_KMALLOC.sh lkdtm:EXEC_VMALLOC.sh lkdtm:EXEC_RODATA.sh lkdtm:EXEC_USERSPACE.sh lkdtm:EXEC_NULL.sh lkdtm:ACCESS_USERSPACE.sh lkdtm:ACCESS_NULL.sh lkdtm:WRITE_RO.sh lkdtm:WRITE_RO_AFTER_INIT.sh lkdtm:WRITE_KERN.sh lkdtm:REFCOUNT_INC_OVERFLOW.sh lkdtm:REFCOUNT_ADD_OVERFLOW.sh lkdtm:REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_DEC_ZERO.sh lkdtm:REFCOUNT_DEC_NEGATIVE.sh lkdtm:REFCOUNT_DEC_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_SUB_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_INC_ZERO.sh lkdtm:REFCOUNT_ADD_ZERO.sh lkdtm:REFCOUNT_INC_SATURATED.sh lkdtm:REFCOUNT_DEC_SATURATED.sh lkdtm:REFCOUNT_ADD_SATURATED.sh lkdtm:REFCOUNT_INC_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_DEC_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_SUB_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_TIMING.sh lkdtm:ATOMIC_TIMING.sh lkdtm:USERCOPY_HEAP_SIZE_TO.sh lkdtm:USERCOPY_HEAP_SIZE_FROM.sh lkdtm:USERCOPY_HEAP_WHITELIST_TO.sh lkdtm:USERCOPY_HEAP_WHITELIST_FROM.sh lkdtm:USERCOPY_STACK_FRAME_TO.sh lkdtm:USERCOPY_STACK_FRAME_FROM.sh lkdtm:USERCOPY_STACK_BEYOND.sh lkdtm:USERCOPY_KERNEL.sh lkdtm:STACKLEAK_ERASING.sh lkdtm:CFI_FORWARD_PROTO.sh ===========End Tests to run =============== <12>[ 63.038250] 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>[ 64.222657] lkdtm: Performing direct entry BUG <4>[ 64.227868] ------------[ cut here ]------------ <2>[ 64.232760] kernel BUG at drivers/misc/lkdtm/bugs.c:76! <0>[ 64.238254] Internal error: Oops - BUG: 0 [#1] SMP ARM <4>[ 64.243662] 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 flexcan can_dev parallel_display imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3 <4>[ 64.273000] CPU: 2 PID: 701 Comm: cat Not tainted 5.10.182-cip34 #1 <4>[ 64.279537] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 64.286345] PC is at lkdtm_BUG+0x14/0x18 <4>[ 64.290540] LR is at lkdtm_do_action+0x2c/0x4c <4>[ 64.295251] pc : [] lr : [] psr: a00e0013 <4>[ 64.301786] sp : c6509e58 ip : c6509e68 fp : c6509e64 <4>[ 64.307278] r10: 00000004 r9 : c1acfee8 r8 : c15ebcc8 <4>[ 64.312772] r7 : c6509f60 r6 : 00000004 r5 : c5972000 r4 : 00000001 <4>[ 64.319567] r3 : c0c54d18 r2 : 72aa08a0 r1 : ef7ab5e0 r0 : c15ebcd0 <4>[ 64.326364] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 64.333768] Control: 10c5387d Table: 1670404a DAC: 00000051 <0>[ 64.339783] Process cat (pid: 701, stack limit = 0x01396e50) <0>[ 64.345714] Stack: (0xc6509e58 to 0xc650a000) <0>[ 64.350343] 9e40: c6509e74 c6509e68 <0>[ 64.358793] 9e60: c0c547ac c0c54d24 c6509e9c c6509e78 c0c54cac c0c5478c c0c54b8c c5ba03c0 <0>[ 64.367243] 9e80: b6e2f000 00000004 c5360b40 c6509f60 c6509ec4 c6509ea0 c07e05cc c0c54b98 <0>[ 64.375691] 9ea0: 00000000 c5ba03c0 b6e2f000 c2815800 c6509f60 c07e0568 c6509f5c c6509ec8 <0>[ 64.384141] 9ec0: c059ac18 c07e0574 00000001 00000000 c059b1c4 c139fd58 c059b1c4 c6508000 <0>[ 64.392591] 9ee0: b6e2f000 00020000 00000004 00000004 0001fffc c6509ee0 00000001 b6e2e000 <0>[ 64.401040] 9f00: c5b10f00 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 64.409490] 9f20: 00000000 00000000 c139fd58 72aa08a0 c205e4c0 c5ba03c0 c5ba03c0 c6508000 <0>[ 64.417941] 9f40: b6e2f000 00000000 00000000 00000004 c6509f94 c6509f60 c059b1c4 c059ab18 <0>[ 64.426390] 9f60: 00000000 00000000 c6509fac 72aa08a0 00000004 00000004 b6f76e00 00000004 <0>[ 64.434840] 9f80: c03002e4 c6508000 c6509fa4 c6509f98 c059b254 c059b15c 00000000 c6509fa8 <0>[ 64.443288] 9fa0: c03000c0 c059b248 00000004 00000004 00000001 b6e2f000 00000004 00000000 <0>[ 64.451738] 9fc0: 00000004 00000004 b6f76e00 00000004 00000001 00000000 00020000 bea8aac4 <0>[ 64.460186] 9fe0: 00000004 bea8a7f8 b6ee0d8f b6e677e6 800e0030 00000001 00000000 00000000 <0>[ 64.468627] Backtrace: <0>[ 64.471356] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 64.479202] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 64.487485] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 64.495676] r9:c6509f60 r8:c5360b40 r7:00000004 r6:b6e2f000 r5:c5ba03c0 r4:c0c54b8c <0>[ 64.503700] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 64.511802] r9:c07e0568 r8:c6509f60 r7:c2815800 r6:b6e2f000 r5:c5ba03c0 r4:00000000 <0>[ 64.519819] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 64.527226] r10:00000004 r9:00000000 r8:00000000 r7:b6e2f000 r6:c6508000 r5:c5ba03c0 <0>[ 64.535322] r4:c5ba03c0 <0>[ 64.538129] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 64.545536] r9:c6508000 r8:c03002e4 r7:00000004 r6:b6f76e00 r5:00000004 r4:00000004 <0>[ 64.553555] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 64.561391] Exception stack(0xc6509fa8 to 0xc6509ff0) <0>[ 64.566713] 9fa0: 00000004 00000004 00000001 b6e2f000 00000004 00000000 <0>[ 64.575161] 9fc0: 00000004 00000004 b6f76e00 00000004 00000001 00000000 00020000 bea8aac4 <0>[ 64.583608] 9fe0: 00000004 bea8a7f8 b6ee0d8f b6e677e6 <0>[ 64.588932] Code: e92dd800 e24cb004 e52de004 e8bd4000 (e7f001f2) <4>[ 64.595301] ---[ end trace 184820ef97b03c1f ]--- <3>[ 64.600190] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 64.609330] in_atomic(): 0, irqs_disabled(): 128, non_block: 0, pid: 701, name: cat <4>[ 64.617252] INFO: lockdep is turned off. <4>[ 64.621441] irq event stamp: 1610 <4>[ 64.625036] hardirqs last enabled at (1609): [] console_unlock+0x4b0/0x6c0 <4>[ 64.633139] hardirqs last disabled at (1610): [] __und_svc+0x60/0x6c <4>[ 64.640632] softirqs last enabled at (1606): [] __do_softirq+0x36c/0x5a0 <4>[ 64.648560] softirqs last disabled at (1571): [] __irq_exit_rcu+0x178/0x1d0 <4>[ 64.656662] CPU: 2 PID: 701 Comm: cat Tainted: G D 5.10.182-cip34 #1 <4>[ 64.664584] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 64.671377] Backtrace: <4>[ 64.674110] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 64.681951] r7:ffffffff r6:600e0093 r5:00000000 r4:c1f0fdf8 <4>[ 64.687888] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 64.695478] [] (dump_stack) from [] (___might_sleep+0x188/0x2e0) <4>[ 64.703495] r9:600e0093 r8:0000000b r7:c035c4c4 r6:00000031 r5:c19cc144 r4:c6508000 <4>[ 64.711513] [] (___might_sleep) from [] (__might_sleep+0x70/0xb0) <4>[ 64.719611] r6:00000000 r5:00000031 r4:c19cc144 <4>[ 64.724510] [] (__might_sleep) from [] (exit_signals+0x4c/0x420) <4>[ 64.732523] r6:00000001 r5:c6508000 r4:c5f81b00 <4>[ 64.737422] [] (exit_signals) from [] (do_exit+0x100/0xafc) <4>[ 64.745004] r8:0000000b r7:c1e0f98c r6:ffffe000 r5:00000000 r4:c5f81b00 <4>[ 64.751981] [] (do_exit) from [] (make_task_dead+0x68/0x74) <4>[ 64.759557] r7:c1e0f98c <4>[ 64.762369] [] (make_task_dead) from [] (die+0x370/0x37c) <4>[ 64.769776] [] (die) from [] (do_undefinstr+0x170/0x240) <4>[ 64.777096] r10:00000004 r9:c6508000 r8:c15ebcc8 r7:00000000 r6:c6509dc8 r5:c0c54d2c <4>[ 64.785192] r4:e7f001f2 <4>[ 64.787999] [] (do_undefinstr) from [] (__und_svc_finish+0x0/0x54) <4>[ 64.796182] Exception stack(0xc6509dc8 to 0xc6509e10) <4>[ 64.801506] 9dc0: c15ebcd0 ef7ab5e0 72aa08a0 c0c54d18 00000001 c5972000 <4>[ 64.809955] 9de0: 00000004 c6509f60 c15ebcc8 c1acfee8 00000004 c6509e64 c6509e68 c6509e58 <4>[ 64.818400] 9e00: c0c547ac c0c54d2c a00e0013 ffffffff <4>[ 64.823722] r7:c6509dfc r6:ffffffff r5:a00e0013 r4:c0c54d30 <4>[ 64.829655] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 64.837496] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 64.845774] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 64.853962] r9:c6509f60 r8:c5360b40 r7:00000004 r6:b6e2f000 r5:c5ba03c0 r4:c0c54b8c <4>[ 64.861980] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 64.870081] r9:c07e0568 r8:c6509f60 r7:c2815800 r6:b6e2f000 r5:c5ba03c0 r4:00000000 <4>[ 64.878095] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 64.885503] r10:00000004 r9:00000000 r8:00000000 r7:b6e2f000 r6:c6508000 r5:c5ba03c0 <4>[ 64.893598] r4:c5ba03c0 <4>[ 64.896404] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 64.903811] r9:c6508000 r8:c03002e4 r7:00000004 r6:b6f76e00 r5:00000004 r4:00000004 <4>[ 64.911825] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 64.919661] Exception stack(0xc6509fa8 to 0xc6509ff0) <4>[ 64.924983] 9fa0: 00000004 00000004 00000001 b6e2f000 00000004 00000000 <4>[ 64.933431] 9fc0: 00000004 00000004 b6f76e00 00000004 00000001 00000000 00020000 bea8aac4 <4>[ 64.941876] 9fe0: 00000004 bea8a7f8 b6ee0d8f b6e677e6 # Segmentation fault # [ 64.222657] lkdtm: Performing direct entry BUG # [ 64.227868] ------------[ cut here ]------------ # [ 64.232760] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 64.238254] Internal error: Oops - BUG: 0 [#1] SMP ARM # [ 64.243662] 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 flexcan can_dev parallel_display imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3 # [ 64.273000] CPU: 2 PID: 701 Comm: cat Not tainted 5.10.182-cip34 #1 # [ 64.279537] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 64.286345] PC is at lkdtm_BUG+0x14/0x18 # [ 64.290540] LR is at lkdtm_do_action+0x2c/0x4c # [ 64.295251] pc : [] lr : [] psr: a00e0013 # [ 64.301786] sp : c6509e58 ip : c6509e68 fp : c6509e64 # [ 64.307278] r10: 00000004 r9 : c1acfee8 r8 : c15ebcc8 # [ 64.312772] r7 : c6509f60 r6 : 00000004 r5 : c5972000 r4 : 00000001 # [ 64.319567] r3 : c0c54d18 r2 : 72aa08a0 r1 : ef7ab5e0 r0 : c15ebcd0 # [ 64.326364] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 64.333768] Control: 10c5387d Table: 1670404a DAC: 00000051 # [ 64.339783] Process cat (pid: 701, stack limit = 0x01396e50) # [ 64.345714] Stack: (0xc6509e58 to 0xc650a000) # [ 64.350343] 9e40: c6509e74 c6509e68 # [ 64.358793] 9e60: c0c547ac c0c54d24 c6509e9c c6509e78 c0c54cac c0c5478c c0c54b8c c5ba03c0 # [ 64.367243] 9e80: b6e2f000 00000004 c5360b40 c6509f60 c6509ec4 c6509ea0 c07e05cc c0c54b98 # [ 64.375691] 9ea0: 00000000 c5ba03c0 b6e2f000 c2815800 c6509f60 c07e0568 c6509f5c c6509ec8 # [ 64.384141] 9ec0: c059ac18 c07e0574 00000001 00000000 c059b1c4 c139fd58 c059b1c4 c6508000 # [ 64.392591] 9ee0: b6e2f000 00020000 00000004 00000004 0001fffc c6509ee0 00000001 b6e2e000 # [ 64.401040] 9f00: c5b10f00 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 64.409490] 9f20: 00000000 00000000 c139fd58 72aa08a0 c205e4c0 c5ba03c0 c5ba03c0 c6508000 # [ 64.417941] 9f40: b6e2f000 00000000 00000000 00000004 c6509f94 c6509f60 c059b1c4 c059ab18 # [ 64.426390] 9f60: 00000000 00000000 c6509fac 72aa08a0 00000004 00000004 b6f76e00 00000004 # [ 64.434840] 9f80: c03002e4 c6508000 c6509fa4 c6509f98 c059b254 c059b15c 00000000 c6509fa8 # [ 64.443288] 9fa0: c03000c0 c059b248 00000004 00000004 00000001 b6e2f000 00000004 00000000 # [ 64.451738] 9fc0: 00000004 00000004 b6f76e00 00000004 00000001 00000000 00020000 bea8aac4 # [ 64.460186] 9fe0: 00000004 bea8a7f8 b6ee0d8f b6e677e6 800e0030 00000001 00000000 00000000 # [ 64.468627] Backtrace: # [ 64.471356] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) # [ 64.479202] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 64.487485] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 64.495676] r9:c6509f60 r8:c5360b40 r7:00000004 r6:b6e2f000 r5:c5ba03c0 r4:c0c54b8c # [ 64.503700] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 64.511802] r9:c07e0568 r8:c6509f60 r7:c2815800 r6:b6e2f000 r5:c5ba03c0 r4:00000000 # [ 64.519819] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 64.527226] r10:00000004 r9:00000000 r8:00000000 r7:b6e2f000 r6:c6508000 r5:c5ba03c0 # [ 64.535322] r4:c5ba03c0 # [ 64.538129] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 64.545536] r9:c6508000 r8:c03002e4 r7:00000004 r6:b6f76e00 r5:00000004 r4:00000004 # [ 64.553555] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 64.561391] Exception stack(0xc6509fa8 to 0xc6509ff0) # [ 64.566713] 9fa0: 00000004 00000004 00000001 b6e2f000 00000004 00000000 # [ 64.575161] 9fc0: 00000004 00000004 b6f76e00 00000004 00000001 00000000 00020000 bea8aac4 # [ 64.583608] 9fe0: 00000004 bea8a7f8 b6ee0d8f b6e677e6 # [ 64.588932] Code: e92dd800 e24cb004 e52de004 e8bd4000 (e7f001f2) # [ 64.595301] ---[ end trace 184820ef97b03c1f ]--- # [ 64.600190] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 64.609330] in_atomic(): 0, irqs_disabled(): 128, non_block: 0, pid: 701, name: cat # [ 64.617252] INFO: lockdep is turned off. # [ 64.621441] irq event stamp: 1610 # [ 64.625036] hardirqs last enabled at (1609): [] console_unlock+0x4b0/0x6c0 # [ 64.633139] hardirqs last disabled at (1610): [] __und_svc+0x60/0x6c # [ 64.640632] softirqs last enabled at (1606): [] __do_softirq+0x36c/0x5a0 # [ 64.648560] softirqs last disabled at (1571): [] __irq_exit_rcu+0x178/0x1d0 # [ 64.656662] CPU: 2 PID: 701 Comm: cat Tainted: G D 5.10.182-cip34 #1 # [ 64.664584] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 64.671377] Backtrace: # [ 64.674110] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 64.681951] r7:ffffffff r6:600e0093 r5:00000000 r4:c1f0fdf8 # [ 64.687888] [[ 65.483478] lkdtm: Performing direct entry WARNING cfec>] (show_stack) from [[ 65.489409] ------------[ cut here ]------------ 68>] (dump_stack+0xe0/0x100) # [<4>[ 65.497056] WARNING: CPU: 2 PID: 772 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x48/0x4c 64.695478] [] (dump_<4>[ 65.508676] 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 flexcan can_dev parallel_display imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3 stack) from [] (___migh<4>[ 65.540593] CPU: 2 PID: 772 Comm: cat Tainted: G D W 5.10.182-cip34 #1 t_sleep+0x188/0x2e0) # [ 64.70<4>[ 65.551325] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 3495] r9:600e0093 r8:0000000b r7<4>[ 65.560973] Backtrace: :c035c4c4 r6:00000031 r5:c19cc144<4>[ 65.566562] [] (dump_backtrace) from [] (show_stack+0x20/0x24) r4:c6508000 # [ 64.711513] [<<4>[ 65.577242] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fdf8 c038f9e4>] (___might_sleep) from <4>[ 65.586036] [] (show_stack) from [] (dump_stack+0xe0/0x100) [] (__might_sleep+0x70/<4>[ 65.596472] [] (dump_stack) from [] (__warn+0x98/0x14c) 0xb0) # [ 64.719611] r6:00000<4>[ 65.606548] r9:00000009 r8:c0c54d78 r7:00000053 r6:00000009 r5:c0c54d78 r4:c1ad05a4 000 r5:00000031 r4:c19cc144 # [ <4>[ 65.617416] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) 64.724510] [] (__migh<4>[ 65.628017] r7:00000053 r6:c1ad05a4 r5:00000000 r4:c5e08000 t_sleep) from [] (exit_<4>[ 65.636802] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING+0x48/0x4c) signals+0x4c/0x420) # [ 64.732<4>[ 65.648012] r9:c1acfeec r8:c15ebcc8 r7:c5e09f60 r6:00000008 r5:c5afb000 r4:00000002 523] r6:00000001 r5:c6508000 r4:<4>[ 65.658876] [] (lkdtm_WARNING) from [] (lkdtm_do_action+0x2c/0x4c) c5f81b00 # [ 64.737422] [[ 65.669917] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) da90>] (exit_signals) from [[ 65.681051] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) c4c4>] (do_exit+0x100/0xafc) # [<4>[ 65.692083] r9:c5e09f60 r8:c5360b40 r7:00000008 r6:b6e11000 r5:c5ba0a00 r4:c0c54b8c 64.745004] r8:0000000b r7:c1e<4>[ 65.702956] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) 0f98c r6:ffffe000 r5:00000000 r4:<4>[ 65.713902] r9:c07e0568 r8:c5e09f60 r7:c2815800 r6:b6e11000 r5:c5ba0a00 r4:00000000 c5f81b00 # [ 64.751981] [[ 65.724768] [] (vfs_write) from [] (ksys_write+0x74/0xec) c3c4>] (do_exit) from [<4>[ 65.735027] r10:00000004 r9:00000000 r8:00000000 r7:b6e11000 r6:c5e08000 r5:c5ba0a00 ] (make_task_dead+0x68/0x74) # [<4>[ 65.745973] r4:c5ba0a00 64.759557] r7:c1e0f98c <4>[ 65.751638] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 65.761460] r9:c5e08000 r8:c03002e4 r7:00000004 r6:b6f58e00 r5:00000008 r4:00000008 # [ 64.762369] [] (ma<4>[ 65.769478] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) ke_task_dead) from [] (<4>[ 65.780167] Exception stack(0xc5e09fa8 to 0xc5e09ff0) die+0x370/0x37c) <4>[ 65.788347] 9fa0: 00000008 00000008 00000001 b6e11000 00000008 00000000 <4>[ 65.798343] 9fc0: 00000008 00000008 b6f58e00 00000004 00000001 00000000 00020000 beb8dac4 # [ 64.769776] [] (di<4>[ 65.806790] 9fe0: 00000004 beb8d7f8 b6ec2d8f b6e497e6 e) from [] (do_undefins<4>[ 65.815047] irq event stamp: 0 tr+0x170/0x240) # [ 64.777096]<4>[ 65.821183] hardirqs last enabled at (0): [<00000000>] 0x0 r10:00000004 r9:c6508000 r8:c15<4>[ 65.829907] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 ebcc8 r7:00000000 r6:c6509dc8 r5:<4>[ 65.840502] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 c0c54d2c # [ 64.785192] r4:e7<4>[ 65.851117] softirqs last disabled at (0): [<00000000>] 0x0 f001f2 # [ 64.787999] [[ 65.859788] ---[ end trace 184820ef97b03c20 ]--- 68>] (do_undefinstr) from [] (__und_svc_finish+0x0/0x54) # [ 64.796182] Exception stack(0xc6509dc8 to 0xc6509e10) # [ 64.801506] 9dc0: c15ebcd0 ef7ab5e0 72aa08a0 c0c54d18 00000001 c5972000 # [ 64.809955] 9de0: 00000004 c6509f60 c15ebcc8 c1acfee8 00000004 c6509e64 c6509e68 c6509e58 # [ 64.818400] 9e00: c0c547ac c0c54d2c a00e0013 ffffffff # [ 64.823722] r7:c6509dfc r6:ffffffff r5:a00e0013 r4:c0c54d30 # [ 64.829655] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) # [ 64.837496] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 64.845774] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 64.853962] r9:c6509f60 r8:c5360b40 r7:00000004 r6:b6e2f000 r5:c5ba03c0 r4:c0c54b8c # [ 64.861980] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 64.870081] r9:c07e0568 r8:c6509f60 r7:c2815800 r6:b6e2f000 r5:c5ba03c0 r4:00000000 # [ 64.878095] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 64.885503] r10:00000004 r9:00000000 r8:00000000 r7:b6e2f000 r6:c6508000 r5:c5ba03c0 # [ 64.893598] r4:c5ba03c0 # [ 64.896404] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 64.903811] r9:c6508000 r8:c03002e4 r7:00000004 r6:b6f76e00 r5:00000004 r4:00000004 # [ 64.911825] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 64.919661] Exception stack(0xc6509fa8 to 0xc6509ff0) # [ 64.924983] 9fa0: 00000004 00000004 00000001 b6e2f000 00000004 00000000 # [ 64.933431] 9fc0: 00000004 00000004 b6f76e00 00000004 00000001 00000000 00020000 bea8aac4 # [ 64.941876] 9fe0: 00000004 bea8a7f8 b6ee0d8f b6e677e6 # BUG: saw 'kernel BUG at': ok ok 2 selftests: lkdtm: BUG.sh # selftests: lkdtm: WARNING.sh # [ 65.483478] lkdtm: Performing direct entry WARNING # [ 65.489409] ------------[ cut here ]------------ # [ 65.497056] WARNING: CPU: 2 PID: 772 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x48/0x4c # [ 65.508676] 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 flexcan can_dev parallel_display imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3 # [ 65.540593] CPU: 2 PID: 772 Comm: cat Tainted: G D W 5.10.182-cip34 #1 # [ 65.551325] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 65.560973] Backtrace: # [ 65.566562] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 65.577242] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fdf8 # [ 65.586036] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 65.596472] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 65.606548] r9:00000009 r8:c0c54d78 r7:00000053 r6:00000009 r5:c0c54d78 r4:c1ad05a4 # [ 65.617416] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 65.628017] r7:00000053 r6:c1ad05a4 r5:00000000 r4:c5e08000 # [ 65.636802] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING+0x48/0x4c) # [ 65.648012] r9:c1acfeec r8:c15ebcc8 r7:c5e09f60 r6:00000008 r5:c5afb000 r4:00000002 # [ 65.658876] [] (lkdtm_WARNING) from [] (lkdtm_do_action+0x2c/0x4c) # [ 65.669917] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 65.681051] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 65.692083] r9:c5e09f60 r8:c5360b40 r7:00000008 r6:b6e11000 r5:c5ba0a00 r4:c0c54b8c # [ 65.702956] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 65.713902] r9:c07e0568 r8:c5e09f60 r7:c2815800 r6:b6e11000 r5:c5ba0a00 r4:00000000 # [ 65.724768] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 65.735027] r10:00000004 r9:00000000 r8:00000000 r7:b6e11000 r6:c5e08000 r5:c5ba0a00 # [ 65.745973] r4:c5ba0a00 # [ 65.751638] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 65.761460] r9:c5e08000 r8:c03002e4 r7:00000004 r6:b6f58e00 r5:00000008 r4:00000008 # [ 65.769478] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 65.780167] Exception stack(0xc5e09fa8 to 0xc5e09ff0) # [ 65.788347] 9fa0: 00000008 00000008 00000001 b6e11000 00000008 00000000 # [ 65.798343] 9fc0: 00000008 00000008 b6f58e00 00000004 00000001 00000000 00020000 beb8dac4 # [ 65.806790] 9fe0: 00000004 beb8d7f8 b6ec2d8f b6e497e6 # [ <6>[ 66.275518] lkdtm: Performing direct entry WARNING_MESSAGE 65.815047] irq event stamp: 0 <4>[ 66.282496] ------------[ cut here ]------------ # [ 65.821183] hardirqs last e<4>[ 66.290242] WARNING: CPU: 3 PID: 807 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x4c/0x54 nabled at (0): [<00000000>] 0x0 <4>[ 66.302500] Warning message trigger count: 2 # [ 65.829907] hardirqs last di<4>[ 66.309872] 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 flexcan can_dev parallel_display imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3 sabled at (0): [] copy_<4>[ 66.341842] CPU: 3 PID: 807 Comm: cat Tainted: G D W 5.10.182-cip34 #1 process+0x5f8/0x1944 # [ 65.84<4>[ 66.352575] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 0502] softirqs last enabled at (<4>[ 66.362226] Backtrace: 0): [] copy_process+0x5<4>[ 66.367813] [] (dump_backtrace) from [] (show_stack+0x20/0x24) f8/0x1944 # [ 65.851117] softi<4>[ 66.378495] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fdf8 rqs last disabled at (0): [<00000<4>[ 66.387281] [] (show_stack) from [] (dump_stack+0xe0/0x100) 000>] 0x0 # [ 65.859788] ---[ <4>[ 66.397717] [] (dump_stack) from [] (__warn+0x98/0x14c) end trace 184820ef97b03c20 ]--- <4>[ 66.407793] r9:00000009 r8:c0c54dc8 r7:00000058 r6:00000009 r5:c0c54dc8 r4:c1ad05a4 # WARNING: saw 'WARNING:': ok ok<4>[ 66.418665] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) 3 selftests: lkdtm: WARNING.sh <4>[ 66.429263] r7:00000058 r6:c1ad05a4 r5:c1ad05c0 r4:c60f4000 # selftests: lkdtm: WARNING_MESSA<4>[ 66.438050] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING_MESSAGE+0x4c/0x54) GE.sh <4>[ 66.449954] r9:c1acfef4 r8:c15ebcc8 r7:c60f5f60 r6:00000010 r5:c5db8000 r4:00000003 <4>[ 66.458564] [] (lkdtm_WARNING_MESSAGE) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 66.467448] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 66.475729] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 66.483917] r9:c60f5f60 r8:c5360b40 r7:00000010 r6:b6e3f000 r5:c64e2f00 r4:c0c54b8c <4>[ 66.491939] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 66.500039] r9:c07e0568 r8:c60f5f60 r7:c2815800 r6:b6e3f000 r5:c64e2f00 r4:00000000 <4>[ 66.508056] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 66.515463] r10:00000004 r9:00000000 r8:00000000 r7:b6e3f000 r6:c60f4000 r5:c64e2f00 <4>[ 66.523560] r4:c64e2f00 <4>[ 66.526369] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 66.533776] r9:c60f4000 r8:c03002e4 r7:00000004 r6:b6f86e00 r5:00000010 r4:00000010 <4>[ 66.541795] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 66.549633] Exception stack(0xc60f5fa8 to 0xc60f5ff0) <4>[ 66.554958] 5fa0: 00000010 00000010 00000001 b6e3f000 00000010 00000000 <4>[ 66.563408] 5fc0: 00000010 00000010 b6f86e00 00000004 00000001 00000000 00020000 be84fac4 <4>[ 66.571856] 5fe0: 00000004 be84f7f8 b6ef0d8f b6e777e6 <4>[ 66.577254] irq event stamp: 0 <4>[ 66.580592] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 66.586446] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 <4>[ 66.594254] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 <4>[ 66.602056] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 66.607939] ---[ end trace 184820ef97b03c21 ]--- # [ 66.275518] lkdtm: Performing direct entry WARNING_MESSAGE # [ 66.282496] ------------[ cut here ]------------ # [ 66.290242] WARNING: CPU: 3 PID: 807 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x4c/0x54 # [ 66.302500] Warning message trigger count: 2 # [ 66.309872] 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 flexcan can_dev parallel_display imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3 # [ 66.341842] CPU: 3 PID: 807 Comm: cat Tainted: G D W 5.10.182-cip34 #1 # [ 66.352575] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 66.362226] Backtrace: # [ 66.367813] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 66.378495] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fdf8 # [ 66.387281] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 66.397717] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 66.407793] r9:00000009 r8:c0c54dc8 r7:00000058 r6:00000009 r5:c0c54dc8 r4:c1ad05a4 # [ 66.418665] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 66.429263] r7:00000058 r6:c1ad05a4 r5:c1ad05c0 r4:c60f4000 # [ 66.438050] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING_MESSAGE+0x4c/0x54) # [ 66.449954] r9:c1acfef4 r8:c15ebcc8 r7:c60f5f60 r6:00000010 r5:c5db8000 r4:00000003 # [ 66.458564] [] (lkdtm_WARNING_MESSAGE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 66.467448] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 66.475729] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 66.483917] r9:c60f5f60 r8:c5360b40 r7:00000010 r6:b6e3f000 r5:c64e2f00 r4:c0c54b8c # [ 66.491939] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 66.500039] r9:c07e0568 r8:c60f5f60 r7:c2815800 r6:b6e3f000 r5:c64e2f00 r4:00000000 # [ 66.508056] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 66.515463] r10:00000004 r9:00000000 r8:00000000 r7:b6e3f000 r6:c60f4000 r5:c64e2f00 # [ 66.523560] r4:c64e2f00 # [ 66.526369] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 66.533776] r9:c60f4000 r8:c03002e4 r7:00000004 r6:b6f86e00 r5:00000010 r4:00000010 # [ 66.541795] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 66.549633] Exception stack(0xc60f5fa8 to 0xc60f5ff0) # [ 66.554958] 5fa0: 00000010 00000010 00000001 b6e3f000 00000010 00000000 # [ 66.563408] 5fc0: 00000010 00000010 b6f86e00 00000004 00000001 00000000 00020000 be84fac4 # [ 66.571856] 5fe0: 00000004 be84f7f8 b6ef0d8f b6e777e6 # [ 66.577254] irq event stamp: 0 # [ 66.580592] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 66.586446] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 # [ 66.594254] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 # [ 66.602056] softirqs last disabled at (0): [<00000000>] 0x0 # [ 66.607939] ---[ end trace 184820ef97b03c21 ]--- # WARNING_MESSAGE: saw 'message trigger': ok ok 4 selftests: lkdtm: WARNING_MESSAGE.sh # selftests: lkdtm: EXCEPTION.sh <6>[ 67.014579] lkdtm: Performing direct entry EXCEPTION <1>[ 67.019965] 8<--- cut here --- <1>[ 67.023300] Unable to handle kernel NULL pointer dereference at virtual address 00000000 <1>[ 67.031736] pgd = a5c0d3b8 <1>[ 67.034743] [00000000] *pgd=00000000 <0>[ 67.038714] Internal error: Oops: 805 [#2] SMP ARM <4>[ 67.043786] 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 flexcan can_dev parallel_display imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3 <4>[ 67.073106] CPU: 1 PID: 839 Comm: cat Tainted: G D W 5.10.182-cip34 #1 <4>[ 67.081032] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 67.087840] PC is at lkdtm_EXCEPTION+0x18/0x20 <4>[ 67.092558] LR is at lkdtm_do_action+0x2c/0x4c <4>[ 67.097271] pc : [] lr : [] psr: a00e0013 <4>[ 67.103806] sp : c59c5e58 ip : c59c5e68 fp : c59c5e64 <4>[ 67.109300] r10: 0000000a r9 : c1acff04 r8 : c15ebcc8 <4>[ 67.114794] r7 : c59c5f60 r6 : 0000000a r5 : c63e4000 r4 : 00000004 <4>[ 67.121590] r3 : 00000000 r2 : 37da22f9 r1 : ef7965e0 r0 : c15ebce8 <4>[ 67.128387] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 67.135793] Control: 10c5387d Table: 165b004a DAC: 00000051 <0>[ 67.141811] Process cat (pid: 839, stack limit = 0xd5382043) <0>[ 67.147740] Stack: (0xc59c5e58 to 0xc59c6000) <0>[ 67.152368] 5e40: c59c5e74 c59c5e68 <0>[ 67.160817] 5e60: c0c547ac c0c54ddc c59c5e9c c59c5e78 c0c54cac c0c5478c c0c54b8c c4772f00 <0>[ 67.169268] 5e80: b6ea5000 0000000a c5360b40 c59c5f60 c59c5ec4 c59c5ea0 c07e05cc c0c54b98 <0>[ 67.177716] 5ea0: 00000000 c4772f00 b6ea5000 c2815800 c59c5f60 c07e0568 c59c5f5c c59c5ec8 <0>[ 67.186166] 5ec0: c059ac18 c07e0574 00000001 00000000 c059b1c4 c139fd58 c059b1c4 c59c4000 <0>[ 67.194614] 5ee0: b6ea5000 00020000 00000004 0000000a 0001fff6 c59c5ee0 00000001 b6ea4000 <0>[ 67.203064] 5f00: c64e2000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 67.211513] 5f20: 00000000 00000000 c139fd58 37da22f9 c205e4c0 c4772f00 c4772f00 c59c4000 <0>[ 67.219963] 5f40: b6ea5000 00000000 00000000 00000004 c59c5f94 c59c5f60 c059b1c4 c059ab18 <0>[ 67.228414] 5f60: 00000000 00000000 c59c5fac 37da22f9 0000000a 0000000a b6fece00 00000004 <0>[ 67.236863] 5f80: c03002e4 c59c4000 c59c5fa4 c59c5f98 c059b254 c059b15c 00000000 c59c5fa8 <0>[ 67.245312] 5fa0: c03000c0 c059b248 0000000a 0000000a 00000001 b6ea5000 0000000a 00000000 <0>[ 67.253764] 5fc0: 0000000a 0000000a b6fece00 00000004 00000001 00000000 00020000 bec1eac4 <0>[ 67.262213] 5fe0: 00000004 bec1e7f8 b6f56d8f b6edd7e6 800e0030 00000001 00000000 00000000 <0>[ 67.270655] Backtrace: <0>[ 67.273387] [] (lkdtm_EXCEPTION) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 67.281754] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 67.290039] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 67.298231] r9:c59c5f60 r8:c5360b40 r7:0000000a r6:b6ea5000 r5:c4772f00 r4:c0c54b8c <0>[ 67.306256] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 67.314359] r9:c07e0568 r8:c59c5f60 r7:c2815800 r6:b6ea5000 r5:c4772f00 r4:00000000 <0>[ 67.322376] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 67.329784] r10:00000004 r9:00000000 r8:00000000 r7:b6ea5000 r6:c59c4000 r5:c4772f00 <0>[ 67.337879] r4:c4772f00 <0>[ 67.340688] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 67.348094] r9:c59c4000 r8:c03002e4 r7:00000004 r6:b6fece00 r5:0000000a r4:0000000a <0>[ 67.356114] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 67.363950] Exception stack(0xc59c5fa8 to 0xc59c5ff0) <0>[ 67.369272] 5fa0: 0000000a 0000000a 00000001 b6ea5000 0000000a 00000000 <0>[ 67.377721] 5fc0: 0000000a 0000000a b6fece00 00000004 00000001 00000000 00020000 bec1eac4 <0>[ 67.386168] 5fe0: 00000004 bec1e7f8 b6f56d8f b6edd7e6 <0>[ 67.391492] Code: e24cb004 e52de004 e8bd4000 e3a03000 (e5833000) <4>[ 67.397932] ---[ end trace 184820ef97b03c22 ]--- # Segmentation fault # [ 67.014579] lkdtm: Performing direct entry EXCEPTION # [ 67.019965] 8<--- cut here --- # [ 67.023300] Unable to handle kernel NULL pointer dereference at virtual address 00000000 # [ 67.031736] pgd = a5c0d3b8 # [ 67.034743] [00000000] *pgd=00000000 # [ 67.038714] Internal error: Oops: 805 [#2] SMP ARM # [ 67.043786] 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 flexcan can_dev parallel_display imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3 # [ 67.073106] CPU: 1 PID: 839 Comm: cat Tainted: G D W 5.10.182-cip34 #1 # [ 67.081032] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 67.087840] PC is at lkdtm_EXCEPTION+0x18/0x20 # [ 67.092558] LR is at lkdtm_do_action+0x2c/0x4c # [ 67.097271] pc : [] lr : [] psr: a00e0013 # [ 67.103806] sp : c59c5e58 ip : c59c5e68 fp : c59c5e64 # [ 67.109300] r10: 0000000a r9 : c1acff04 r8 : c15ebcc8 # [ 67.114794] r7 : c59c5f60 r6 : 0000000a r5 : c63e4000 r4 : 00000004 # [ 67.121590] r3 : 00000000 r2 : 37da22f9 r1 : ef7965e0 r0 : c15ebce8 # [ 67.128387] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 67.135793] Control: 10c5387d Table: 165b004a DAC: 00000051 # [ 67.141811] Process cat (pid: 839, stack limit = 0xd5382043) # [ 67.147740] Stack: (0xc59c5e58 to 0xc59c6000) # [ 67.152368] 5e40: c59c5e74 c59c5e68 # [ 67.160817] 5e60: c0c547ac c0c54ddc c59c5e9c c59c5e78 c0c54cac c0c5478c c0c54b8c c4772f00 # [ 67.169268] 5e80: b6ea5000 0000000a c5360b40 c59c5f60 c59c5ec4 c59c5ea0 c07e05cc c0c54b98 # [ 67.177716] 5ea0: 00000000 c4772f00 b6ea5000 c2815800 c59c5f60 c07e0568 c59c5f5c c59c5ec8 # [ 67.186166] 5ec0: c059ac18 c07e0574 00000001 00000000 c059b1c4 c139fd58 c059b1c4 c59c4000 # [ 67.194614] 5ee0: b6ea5000 00020000 00000004 0000000a 0001fff6 c59c5ee0 00000001 b6ea4000 # [ 67.203064] 5f00: c64e2000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 67.211513] 5f20: 00000000 00000000 c139fd58 37da22f9 c205e4c0 c4772f00 c4772f00 c59c4000 # [ 67.219963] 5f40: b6ea5000 00000000 00000000 00000004 c59c5f94 c59c5f60 c059b1c4 c059ab18 # [ 67.228414] 5f60: 00000000 00000000 c59c5fac 37da22f9 0000000a 0000000a b6fece00 00000004 # [ 67.236863] 5f80: c03002e4 c59c4000 c59c5fa4 c59c5f98 c059b254 c059b15c 00000000 c59c5fa8 # [ 67.245312] 5fa0: c03000c0 c059b248 0000000a 0000000a 00000001 b6ea5000 0000000a 00000000 # [ 67.253764] 5fc0: 0000000a 0000000a b6fece00 00000004 00000001 00000000 00020000 bec1eac4 # [ 67.262213] 5fe0: 00000004 bec1e7f8 b6f56d8f b6edd7e6 800e0030 00000001 00000000 00000000 # [ 67.270655] Backtrace: # [ 67.273387] [] (lkdtm_EXCEPTION) from [] (lkdtm_do_action+0x2c/0x4c) # [ 67.281754] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 67.290039] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 67.298231] r9:c59c5f60 r8:c5360b40 r7:0000000a r6:b6ea5000 r5:c4772f00 r4:c0c54b8c # [ 67.306256] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 67.314359] r9:c07e0568 r8:c59c5f60 r7:c2815800 r6:b6ea5000 r5:c4772f00 r4:00000000 # [ 67.322376] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 67.329784] r10:00000004 r9:00000000 r8:00000000 r7:b6ea5000 r6:c59c4000 r5:c4772f00 # [ 67.337879] r4:c4772f00 # [ 67.340688] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 67.348094] r9:c59c4000 r8:c03002e4 r7:00000004 r6:b6fece00 r5:0000000a r4:0000000a # [ 67.356114] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 67.363950] Exception stack(0xc59c5fa8 to 0xc59c5ff0) # [ 67.369272] 5fa0: 0000000a 0000000a 00000001 b6ea5000 0000000a 00000000 # [ 67.377721] 5fc0: 0000000a 0000000a b6fece00 00000004 00000001 00000000 00020000 bec1eac4 # [ 67.386168] 5fe0: 00000004 bec1e7f8 b6f56d8f b6edd7e6 # [ 67.391492] Code: e24cb004 e52de004 e8bd4000 e3a03000 (e5833000) # [ 67.397932] ---[ end trace 184820ef97b03c22 ]--- # 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>[ 68.818409] lkdtm: Performing direct entry CORRUPT_LIST_ADD <6>[ 68.824267] lkdtm: attempting good list addition <6>[ 68.829233] lkdtm: attempting corrupted list addition <3>[ 68.834562] lkdtm: list_add() corruption not detected! # [ 68.818409] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 68.824267] lkdtm: attempting good list addition # [ 68.829233] lkdtm: attempting corrupted list addition # [ 68.834562] 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>[ 69.249609] lkdtm: Performing direct entry CORRUPT_LIST_DEL <6>[ 69.255494] lkdtm: attempting good list removal <6>[ 69.260419] lkdtm: attempting corrupted list removal <3>[ 69.265684] lkdtm: list_del() corruption not detected! # [ 69.249609] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 69.255494] lkdtm: attempting good list removal # [ 69.260419] lkdtm: attempting corrupted list removal # [ 69.265684] 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>[ 69.690565] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING <6>[ 69.697146] lkdtm: attempting bad read from page below current stack <3>[ 69.703892] lkdtm: FAIL: accessed page before stack! (byte: 22) # [ 69.690565] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 69.697146] lkdtm: attempting bad read from page below current stack # [ 69.703892] lkdtm: FAIL: accessed page before stack! (byte: 22) # 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>[ 70.111555] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING <6>[ 70.118284] lkdtm: attempting bad read from page above current stack <3>[ 70.124915] lkdtm: FAIL: accessed page after stack! (byte: 0) # [ 70.111555] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING # [ 70.118284] lkdtm: attempting bad read from page above current stack # [ 70.124915] lkdtm: FAIL: accessed page after stack! (byte: 0) # STACK_GUARD_PAGE_TRAILING: missing 'call trace:': [FAIL] not ok 13 selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # exit=1 # selftests: lkdtm: UNSET_SMEP.sh <6>[ 70.516099] lkdtm: Performing direct entry UNSET_SMEP <3>[ 70.521518] lkdtm: XFAIL: this test is x86_64-only # [ 70.516099] lkdtm: Performing direct entry UNSET_SMEP # [ 70.521518] 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>[ 70.911237] lkdtm: Performing direct entry DOUBLE_FAULT <3>[ 70.916748] lkdtm: XFAIL: this test is ia32-only # [ 70.911237] lkdtm: Performing direct entry DOUBLE_FAULT # [ 70.916748] 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>[ 71.299963] lkdtm: Performing direct entry CORRUPT_PAC <3>[ 71.305387] lkdtm: XFAIL: this test is arm64-only # [ 71.299963] lkdtm: Performing direct entry CORRUPT_PAC # [ 71.305387] 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>[ 71.694372] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE <3>[ 71.701150] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS # [ 71.694372] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # [ 71.701150] 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>[ 72.553293] lkdtm: Performing direct entry READ_AFTER_FREE <6>[ 72.559159] lkdtm: Value in memory before free: 12345678 <6>[ 72.564751] lkdtm: Attempting bad read from freed memory <6>[ 72.570377] lkdtm: Memory was not poisoned # [ 72.553293] lkdtm: Performing direct entry READ_AFTER_FREE # [ 72.559159] lkdtm: Value in memory before free: 12345678 # [ 72.564751] lkdtm: Attempting bad read from freed memory # [ 72.570377] 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>[ 73.201838] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE <6>[ 73.208278] lkdtm: Value in memory before free: 12345678 <6>[ 73.213892] lkdtm: Attempting to read from freed memory <6>[ 73.219496] lkdtm: Buddy page was not poisoned # [ 73.201838] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE # [ 73.208278] lkdtm: Value in memory before free: 12345678 # [ 73.213892] lkdtm: Attempting to read from freed memory # [ 73.219496] 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>[ 73.635412] lkdtm: Performing direct entry SLAB_FREE_DOUBLE <6>[ 73.641480] lkdtm: Attempting double slab free ... # [ 73.635412] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 73.641480] 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>[ 74.058069] lkdtm: Performing direct entry SLAB_FREE_CROSS <6>[ 74.063853] lkdtm: Attempting cross-cache slab free ... # [ 74.058069] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 74.063853] 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>[ 74.482721] lkdtm: Performing direct entry SLAB_FREE_PAGE <6>[ 74.488467] lkdtm: Attempting non-Slab slab free ... # [ 74.482721] lkdtm: Performing direct entry SLAB_FREE_PAGE # [ 74.488467] 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>[ 75.804403] lkdtm: Performing direct entry EXEC_DATA <6>[ 75.809799] lkdtm: attempting ok execution at c0c5551c <6>[ 75.815241] lkdtm: attempting bad execution at c26f8924 <1>[ 75.820893] 8<--- cut here --- <1>[ 75.824239] Unable to handle kernel paging request at virtual address c26f8924 <1>[ 75.831744] pgd = 5b6c82ed <1>[ 75.834722] [c26f8924] *pgd=1261141e(bad) <0>[ 75.839021] Internal error: Oops: 8000000d [#3] SMP ARM <4>[ 75.844517] 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 flexcan can_dev parallel_display imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3 <4>[ 75.873838] CPU: 3 PID: 1682 Comm: cat Tainted: G D W 5.10.182-cip34 #1 <4>[ 75.881851] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 75.888660] PC is at data_area+0x0/0x40 <4>[ 75.892776] LR is at execute_location+0xa4/0xb4 <4>[ 75.897578] pc : [] lr : [] psr: 600e0013 <4>[ 75.904113] sp : c5acde38 ip : c5acdd40 fp : c5acde54 <4>[ 75.909608] r10: 0000000a r9 : c1ad00e8 r8 : c15ebcc8 <4>[ 75.915102] r7 : c5acdf60 r6 : 00000001 r5 : c26f8924 r4 : c0c5551c <4>[ 75.921897] r3 : e17235a6 r2 : e17235a6 r1 : ef7c05e0 r0 : 0000002b <4>[ 75.928694] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 75.936098] Control: 10c5387d Table: 1581004a DAC: 00000051 <0>[ 75.942115] Process cat (pid: 1682, stack limit = 0xd2d37779) <0>[ 75.948130] Stack: (0xc5acde38 to 0xc5ace000) <0>[ 75.952756] de20: 0000001f c646e000 <0>[ 75.961207] de40: 0000000a c5acdf60 c5acde64 c5acde58 c138aa0c c138a808 c5acde74 c5acde68 <0>[ 75.969658] de60: c0c547ac c138a9f4 c5acde9c c5acde78 c0c54cac c0c5478c c0c54b8c c64e3680 <0>[ 75.978108] de80: b6e0b000 0000000a c5360b40 c5acdf60 c5acdec4 c5acdea0 c07e05cc c0c54b98 <0>[ 75.986556] dea0: 00000000 c64e3680 b6e0b000 c2815800 c5acdf60 c07e0568 c5acdf5c c5acdec8 <0>[ 75.995005] dec0: c059ac18 c07e0574 00000001 00000000 c059b1c4 c139fd58 c059b1c4 c5acc000 <0>[ 76.003454] dee0: b6e0b000 00020000 00000004 0000000a 0001fff6 c5acdee0 00000001 b6e0a000 <0>[ 76.011902] df00: c5bf5e00 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 76.020354] df20: 00000000 00000000 c139fd58 e17235a6 c205e4c0 c64e3680 c64e3680 c5acc000 <0>[ 76.028803] df40: b6e0b000 00000000 00000000 00000004 c5acdf94 c5acdf60 c059b1c4 c059ab18 <0>[ 76.037252] df60: 00000000 00000000 c5acdfac e17235a6 0000000a 0000000a b6f52e00 00000004 <0>[ 76.045702] df80: c03002e4 c5acc000 c5acdfa4 c5acdf98 c059b254 c059b15c 00000000 c5acdfa8 <0>[ 76.054150] dfa0: c03000c0 c059b248 0000000a 0000000a 00000001 b6e0b000 0000000a 00000000 <0>[ 76.062601] dfc0: 0000000a 0000000a b6f52e00 00000004 00000001 00000000 00020000 bebd0ac4 <0>[ 76.071050] dfe0: 00000004 bebd07f8 b6ebcd8f b6e437e6 800e0030 00000001 00000000 00000000 <0>[ 76.079495] Backtrace: <0>[ 76.082228] [] (execute_location) from [] (lkdtm_EXEC_DATA+0x24/0x28) <0>[ 76.090680] r7:c5acdf60 r6:0000000a r5:c646e000 r4:0000001f <0>[ 76.096619] [] (lkdtm_EXEC_DATA) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 76.104985] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 76.113269] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 76.121459] r9:c5acdf60 r8:c5360b40 r7:0000000a r6:b6e0b000 r5:c64e3680 r4:c0c54b8c <0>[ 76.129484] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 76.137585] r9:c07e0568 r8:c5acdf60 r7:c2815800 r6:b6e0b000 r5:c64e3680 r4:00000000 <0>[ 76.145602] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 76.153010] r10:00000004 r9:00000000 r8:00000000 r7:b6e0b000 r6:c5acc000 r5:c64e3680 <0>[ 76.161106] r4:c64e3680 <0>[ 76.163914] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 76.171322] r9:c5acc000 r8:c03002e4 r7:00000004 r6:b6f52e00 r5:0000000a r4:0000000a <0>[ 76.179343] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 76.187182] Exception stack(0xc5acdfa8 to 0xc5acdff0) <0>[ 76.192507] dfa0: 0000000a 0000000a 00000001 b6e0b000 0000000a 00000000 <0>[ 76.200959] dfc0: 0000000a 0000000a b6f52e00 00000004 00000001 00000000 00020000 bebd0ac4 <0>[ 76.209405] dfe0: 00000004 bebd07f8 b6ebcd8f b6e437e6 <0>[ 76.214731] Code: 00000000 c40089c0 c4008a80 c4008b40 (e1a0c00d) <4>[ 76.221098] ---[ end trace 184820ef97b03c23 ]--- # Segmentation fault # [ 75.804403] lkdtm: Performing direct entry EXEC_DATA # [ 75.809799] lkdtm: attempting ok execution at c0c5551c # [ 75.815241] lkdtm: attempting bad execution at c26f8924 # [ 75.820893] 8<--- cut here --- # [ 75.824239] Unable to handle kernel paging request at virtual address c26f8924 # [ 75.831744] pgd = 5b6c82ed # [ 75.834722] [c26f8924] *pgd=1261141e(bad) # [ 75.839021] Internal error: Oops: 8000000d [#3] SMP ARM # [ 75.844517] 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 flexcan can_dev parallel_display imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3 # [ 75.873838] CPU: 3 PID: 1682 Comm: cat Tainted: G D W 5.10.182-cip34 #1 # [ 75.881851] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 75.888660] PC is at data_area+0x0/0x40 # [ 75.892776] LR is at execute_location+0xa4/0xb4 # [ 75.897578] pc : [] lr : [] psr: 600e0013 # [ 75.904113] sp : c5acde38 ip : c5acdd40 fp : c5acde54 # [ 75.909608] r10: 0000000a r9 : c1ad00e8 r8 : c15ebcc8 # [ 75.915102] r7 : c5acdf60 r6 : 00000001 r5 : c26f8924 r4 : c0c5551c # [ 75.921897] r3 : e17235a6 r2 : e17235a6 r1 : ef7c05e0 r0 : 0000002b # [ 75.928694] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 75.936098] Control: 10c5387d Table: 1581004a DAC: 00000051 # [ 75.942115] Process cat (pid: 1682, stack limit = 0xd2d37779) # [ 75.948130] Stack: (0xc5acde38 to 0xc5ace000) # [ 75.952756] de20: 0000001f c646e000 # [ 75.961207] de40: 0000000a c5acdf60 c5acde64 c5acde58 c138aa0c c138a808 c5acde74 c5acde68 # [ 75.969658] de60: c0c547ac c138a9f4 c5acde9c c5acde78 c0c54cac c0c5478c c0c54b8c c64e3680 # [ 75.978108] de80: b6e0b000 0000000a c5360b40 c5acdf60 c5acdec4 c5acdea0 c07e05cc c0c54b98 # [ 75.986556] dea0: 00000000 c64e3680 b6e0b000 c2815800 c5acdf60 c07e0568 c5acdf5c c5acdec8 # [ 75.995005] dec0: c059ac18 c07e0574 00000001 00000000 c059b1c4 c139fd58 c059b1c4 c5acc000 # [ 76.003454] dee0: b6e0b000 00020000 00000004 0000000a 0001fff6 c5acdee0 00000001 b6e0a000 # [ 76.011902] df00: c5bf5e00 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 76.020354] df20: 00000000 00000000 c139fd58 e17235a6 c205e4c0 c64e3680 c64e3680 c5acc000 # [ 76.028803] df40: b6e0b000 00000000 00000000 00000004 c5acdf94 c5acdf60 c059b1c4 c059ab18 # [ 76.037252] df60: 00000000 00000000 c5acdfac e17235a6 0000000a 0000000a b6f52e00 00000004 # [ 76.045702] df80: c03002e4 c5acc000 c5acdfa4 c5acdf98 c059b254 c059b15c 00000000 c5acdfa8 # [ 76.054150] dfa0: c03000c0 c059b248 0000000a 0000000a 00000001 b6e0b000 0000000a 00000000 # [ 76.062601] dfc0: 0000000a 0000000a b6f52e00 00000004 00000001 00000000 00020000 bebd0ac4 # [ 76.071050] dfe0: 00000004 bebd07f8 b6ebcd8f b6e437e6 800e0030 00000001 00000000 00000000 # [ 76.079495] Backtrace: # [ 76.082228] [] (execute_location) from [] (lkdtm_EXEC_DATA+0x24/0x28) # [ 76.090680] r7:c5acdf60 r6:0000000a r5:c646e000 r4:0000001f # [ 76.096619] [] (lkdtm_EXEC_DATA) from [] (lkdtm_do_action+0x2c/0x4c) # [ 76.104985] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 76.113269] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 76.121459] r9:c5acdf60 r8:c5360b40 r7:0000000a r6:b6e0b000 r5:c64e3680 r4:c0c54b8c # [ 76.129484] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 76.137585] r9:c07e0568 r8:c5acdf60 r7:c2815800 r6:b6e0b000 r5:c64e3680 r4:00000000 # [ 76.145602] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 76.153010] r10:00000004 r9:00000000 r8:00000000 r7:b6e0b000 r6:c5acc000 r5:c64e3680 # [ 76.161106] r4:c64e3680 # [ 76.163914] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 76.171322] r9:c5acc000 r8:c03002e4 r7:00000004 r6:b6f52e00 r5:0000000a r4:0000000a # [ 76.179343] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 76.187182] Exception stack(0xc5acdfa8 to 0xc5acdff0) # [<6>[ 76.692630] lkdtm: Performing direct entry EXEC_STACK 76.192507] dfa0: <6>[ 76.699863] lkdtm: attempting ok execution at c0c5551c 0000000a 0000000a 00000001 b<6>[ 76.708052] lkdtm: attempting bad execution at c478fe0c 6e0b000 0000000a 00000000 < 1#> [ 76.716362] 8<--- cut here --- 76.200959] d0[: 0 07060722187] Unable to handle kernel paging request at virtual address c478fe0c 000a 0000000a b<61f>5[2 e 0 07 60731666] pgd = b830ece1 0000004 00000001 00000000 00020<0>[ 76.736627] [c478fe0c] *pgd=1461141e(bad) 00 bebd0ac4 # [ 76.<200>9[4 0 76.743592] Internal error: Oops: 8000000d [#4] SMP ARM ] dfe0: 00000004 bebd07f8 b6ebcd8<4>[ 76.751415] 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 flexcan can_dev parallel_display imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3 f b6e437e6 # [ 76.214<743>1[] 76.783380] CPU: 2 PID: 1758 Comm: cat Tainted: G D W 5.10.182-cip34 #1 Code: 00000000< 4c>4[0 0 8 97c60.793805] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) c4008a80 c4008b40 <(4e>1[a 0 c 076.802592] PC is at 0xc478fe0c d) # [ 76.221098] ---[ end [ 76.808171] LR is at execute_location+0xa4/0xb4 race 184820ef9<74b>0[3 c 2 37 6].815639] pc : [] lr : [] psr: 600e0013 -- # EXEC_DA[: m7i6s.s8i4159] sp : c478fde8 ip : 00000027 fp : c478fe04 ng 'call trac'[: [ F7A6I.L31466] r10: 0000000b r9 : c1ad00f4 r8 : c15ebcc8 ] not ok 30 sf[t e s t7s6:.838860] r7 : c478ff60 r6 : 00000001 r5 : c478fe0c r4 : c0c5551c lkdtm: EXEC_DA.[s h #7 6e.847641] r3 : 574ba5ec r2 : 574ba5ec r1 : ef7ab5e4 r0 : 0000002b it=1 # selftests:< 4l>[k d t m7:.856425] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none EXEC_STACK.sh< 4 >[ 76.865899] Control: 10c5387d Table: 160c804a DAC: 00000051 <0>[ 76.873292] Process cat (pid: 1758, stack limit = 0x469a8104) <0>[ 76.879308] Stack: (0xc478fde8 to 0xc4790000) <0>[ 76.883940] fde0: c478e000 c5c11000 0000000b c478ff60 c478fe64 c478fe08 <0>[ 76.892390] fe00: c138aa48 c138a808 c478fe6c e1a0c00d e92dd800 e24cb004 e52de004 e8bd4000 <0>[ 76.900840] fe20: e89da800 e1a0c00d e92dd830 e24cb004 e52de004 e8bd4000 e3003374 e34c31b8 <0>[ 76.909290] fe40: e3a02040 e3a01d33 e5930018 574ba5ec 0000000b 00000020 c478fe74 c478fe68 <0>[ 76.917739] fe60: c0c547ac c138aa1c c478fe9c c478fe78 c0c54cac c0c5478c c0c54b8c c5a9edc0 <0>[ 76.926188] fe80: b6eb4000 0000000b c5360b40 c478ff60 c478fec4 c478fea0 c07e05cc c0c54b98 <0>[ 76.934637] fea0: 00000000 c5a9edc0 b6eb4000 c2815800 c478ff60 c07e0568 c478ff5c c478fec8 <0>[ 76.943087] fec0: c059ac18 c07e0574 00000001 00000000 c059b1c4 c139fd58 c059b1c4 c478e000 <0>[ 76.951535] fee0: b6eb4000 00020000 00000004 0000000b 0001fff5 c478fee0 00000001 b6eb3000 <0>[ 76.959984] ff00: c64e32c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 76.968432] ff20: 00000000 00000000 c139fd58 574ba5ec c205e4c0 c5a9edc0 c5a9edc0 c478e000 <0>[ 76.976881] ff40: b6eb4000 00000000 00000000 00000004 c478ff94 c478ff60 c059b1c4 c059ab18 <0>[ 76.985330] ff60: 00000000 00000000 c478ffac 574ba5ec 0000000b 0000000b b6ffbe00 00000004 <0>[ 76.993778] ff80: c03002e4 c478e000 c478ffa4 c478ff98 c059b254 c059b15c 00000000 c478ffa8 <0>[ 77.002226] ffa0: c03000c0 c059b248 0000000b 0000000b 00000001 b6eb4000 0000000b 00000000 <0>[ 77.010675] ffc0: 0000000b 0000000b b6ffbe00 00000004 00000001 00000000 00020000 be942ac4 <0>[ 77.019123] ffe0: 00000004 be9427f8 b6f65d8f b6eec7e6 800e0030 00000001 00000000 00000000 <0>[ 77.027565] Backtrace: <0>[ 77.030300] [] (execute_location) from [] (lkdtm_EXEC_STACK+0x38/0x54) <0>[ 77.038838] r7:c478ff60 r6:0000000b r5:c5c11000 r4:c478e000 <0>[ 77.044774] [] (lkdtm_EXEC_STACK) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 77.053219] r4:00000020 <0>[ 77.056026] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 77.064310] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 77.072501] r9:c478ff60 r8:c5360b40 r7:0000000b r6:b6eb4000 r5:c5a9edc0 r4:c0c54b8c <0>[ 77.080523] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 77.088625] r9:c07e0568 r8:c478ff60 r7:c2815800 r6:b6eb4000 r5:c5a9edc0 r4:00000000 <0>[ 77.096641] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 77.104049] r10:00000004 r9:00000000 r8:00000000 r7:b6eb4000 r6:c478e000 r5:c5a9edc0 <0>[ 77.112145] r4:c5a9edc0 <0>[ 77.114953] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 77.122360] r9:c478e000 r8:c03002e4 r7:00000004 r6:b6ffbe00 r5:0000000b r4:0000000b <0>[ 77.130380] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 77.138216] Exception stack(0xc478ffa8 to 0xc478fff0) <0>[ 77.143537] ffa0: 0000000b 0000000b 00000001 b6eb4000 0000000b 00000000 <0>[ 77.151987] ffc0: 0000000b 0000000b b6ffbe00 00000004 00000001 00000000 00020000 be942ac4 <0>[ 77.160433] ffe0: 00000004 be9427f8 b6f65d8f b6eec7e6 <0>[ 77.165756] Code: c478fe08 c138aa48 c138a808 c478fe6c (e1a0c00d) <4>[ 77.172124] ---[ end trace 184820ef97b03c24 ]--- # Segmentation fault # [ 76.692630] lkdtm: Performing direct entry EXEC_STACK # [ 76.699863] lkdtm: attempting ok execution at c0c5551c # [ 76.708052] lkdtm: attempting bad execution at c478fe0c # [ 76.716362] 8<--- cut here --- # [ 76.722187] Unable to handle kernel paging request at virtual address c478fe0c # [ 76.731666] pgd = b830ece1 # [ 76.736627] [c478fe0c] *pgd=1461141e(bad) # [ 76.743592] Internal error: Oops: 8000000d [#4] SMP ARM # [ 76.751415] 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 flexcan can_dev parallel_display imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3 # [ 76.783380] CPU: 2 PID: 1758 Comm: cat Tainted: G D W 5.10.182-cip34 #1 # [ 76.793805] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 76.802592] PC is at 0xc478fe0c # [ 76.808171] LR is at execute_location+0xa4/0xb4 # [ 76.815639] pc : [] lr : [] psr: 600e0013 # [ 76.824159] sp : c478fde8 ip : 00000027 fp : c478fe04 # [ 76.831466] r10: 0000000b r9 : c1ad00f4 r8 : c15ebcc8 # [ 76.838860] r7 : c478ff60 r6 : 00000001 r5 : c478fe0c r4 : c0c5551c # [ 76.847641] r3 : 574ba5ec r2 : 574ba5ec r1 : ef7ab5e4 r0 : 0000002b # [ 76.856425] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 76.865899] Control: 10c5387d Table: 160c804a DAC: 00000051 # [ 76.873292] Process cat (pid: 1758, stack limit = 0x469a8104) # [ 76.879308] Stack: (0xc478fde8 to 0xc4790000) # [ 76.883940] fde0: c478e000 c5c11000 0000000b c478ff60 c478fe64 c478fe08 # [ 76.892390] fe00: c138aa48 c138a808 c478fe6c e1a0c00d e92dd800 e24cb004 e52de004 e8bd4000 # [ 76.900840] fe20: e89da800 e1a0c00d e92dd830 e24cb004 e52de004 e8bd4000 e3003374 e34c31b8 # [ 76.909290] fe40: e3a02040 e3a01d33 e5930018 574ba5ec 0000000b 00000020 c478fe74 c478fe68 # [ 76.917739] fe60: c0c547ac c138aa1c c478fe9c c478fe78 c0c54cac c0c5478c c0c54b8c c5a9edc0 # [ 76.926188] fe80: b6eb4000 0000000b c5360b40 c478ff60 c478fec4 c478fea0 c07e05cc c0c54b98 # [ 76.934637] fea0: 00000000 c5a9edc0 b6eb4000 c2815800 c478ff60 c07e0568 c478ff5c c478fec8 # [ 76.943087] fec0: c059ac18 c07e0574 00000001 00000000 c059b1c4 c139fd58 c059b1c4 c478e000 # [ 76.951535] fee0: b6eb4000 00020000 00000004 0000000b 0001fff5 c478fee0 00000001 b6eb3000 # [ 76.959984] ff00: c64e32c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 76.968432] ff20: 00000000 00000000 c139fd58 574ba5ec c205e4c0 c5a9edc0 c5a9edc0 c478e000 # [ 76.976881] ff40: b6eb4000 00000000 00000000 00000004 c478ff94 c478ff60 c059b1c4 c059ab18 # [ 76.985330] ff60: 00000000 00000000 c478ffac 574ba5ec 0000000b 0000000b b6ffbe00 00000004 # [ 76.993778] ff80: c03002e4 c478e000 c478ffa4 c478ff98 c059b254 c059b15c 00000000 c478ffa8 # [ 77.002226] ffa0: c03000c0 c059b248 0000000b 0000000b 00000001 b6eb4000 0000000b 00000000 # [ 77.010675] ffc0: 0000000b 0000000b b6ffbe00 00000004 00000001 00000000 00020000 be942ac4 # [ 77.019123] ffe0: 00000004 be9427f8 b6f65d8f b6eec7e6 800e0030 00000001 00000000 00000000 # [ 77.027565] Backtrace: # [ 77.030300] [] (execute_location) from [] (lkdtm_EXEC_STACK+0x38/0x54) # [ 77.038838] r7:c478ff60 r6:0000000b r5:c5c11000 r4:c478e000 # [ 77.044774] [] (lkdtm_EXEC_STACK) from [] (lkdtm_do_action+0x2c/0x4c) # [ 77.053219] r4:00000020 # [ 77.056026] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 77.064310] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 77.072501] r9:c478ff60 r8:c5360b40 r7:0000000b r6:b6eb4000 r5:c5a9edc0 r4:c0c54b8c # [ 77.080523] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 77.088625] r9:c07e0568 r8:c478ff60 r7:c2815800 r6:b6eb4000 r5:c5a9edc0 r4:00000000 # [ 77.096641] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 77.104049] r10:00000004 r9:00000000 r8:00000000 r7:b6eb4000 r6:c478e000 r5:c5a9edc0 # [ 77.112145] r4:c5a9edc0 # [ 77.114953] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 77.122360] r9:c478e000 r8:c03002e4 r7:00000004 r6:b6ffbe00 r5:0000000b r4:0000000b # [ 77.130380] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 77.138216] Exception stack(0xc478ffa8 to 0xc478fff0) # [ 77.143537] ffa0: 0000000b 0000000b 00000001 b6eb4000 0000000b 00000000 # [ 77.151987] ffc0: 0000000b 0000000b b6ffbe00 00000004 00000001 00000000 00020000 be942ac4 # [ 77.160433] ffe0: 00000004 be9427f8 b6f65d8f b6eec7e6 # [ 77.165756] Code: c478fe08 c138aa48 c138a808 c478fe6c (e1a0c00d) # [ 77.172124] ---[ end trace 184820ef97b03c24<6>[ 77.724144] lkdtm: Performing direct entry EXEC_KMALLOC ]--- # EXEC_STACK: missing 'cal<6>[ 77.730967] lkdtm: attempting ok execution at c0c5551c l trace:': [FAIL] not ok 31 self<6>[ 77.739207] lkdtm: attempting bad execution at c61edc40 tests: lkdtm: EXEC_STACK.sh # exi<1>[ 77.747595] 8<--- cut here --- t=1 # selftests: lt[m : E7.753641] Unable to handle kernel paging request at virtual address c61edc40 XEC_KMALLOC.sh < 1>[ 77.763291] pgd = 9d22a786 <1>[ 77.767647] [c61edc40] *pgd=1601141e(bad) <0>[ 77.771944] Internal error: Oops: 8000000d [#5] SMP ARM <4>[ 77.777439] 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 flexcan can_dev parallel_display imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3 <4>[ 77.806770] CPU: 3 PID: 1837 Comm: cat Tainted: G D W 5.10.182-cip34 #1 <4>[ 77.814783] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 77.821584] PC is at 0xc61edc40 <4>[ 77.825007] LR is at execute_location+0xa4/0xb4 <4>[ 77.829806] pc : [] lr : [] psr: 600e0013 <4>[ 77.836339] sp : c5e0fe30 ip : c5e0fd38 fp : c5e0fe4c <4>[ 77.841831] r10: 0000000d r9 : c1ad0100 r8 : c15ebcc8 <4>[ 77.847324] r7 : c5e0ff60 r6 : 00000001 r5 : c61edc40 r4 : c0c5551c <4>[ 77.854119] r3 : 6b7610fb r2 : 6b7610fb r1 : ef7c05e0 r0 : 0000002b <4>[ 77.860917] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 77.868322] Control: 10c5387d Table: 1629004a DAC: 00000051 <0>[ 77.874337] Process cat (pid: 1837, stack limit = 0xc000be2c) <0>[ 77.880352] Stack: (0xc5e0fe30 to 0xc5e10000) <0>[ 77.884982] fe20: c61edc40 c6471000 0000000d c5e0ff60 <0>[ 77.893431] fe40: c5e0fe64 c5e0fe50 c0c5556c c138a808 00000021 c6471000 c5e0fe74 c5e0fe68 <0>[ 77.901879] fe60: c0c547ac c0c55540 c5e0fe9c c5e0fe78 c0c54cac c0c5478c c0c54b8c c5b10780 <0>[ 77.910328] fe80: b6eb2000 0000000d c5360b40 c5e0ff60 c5e0fec4 c5e0fea0 c07e05cc c0c54b98 <0>[ 77.918779] fea0: 00000000 c5b10780 b6eb2000 c2815800 c5e0ff60 c07e0568 c5e0ff5c c5e0fec8 <0>[ 77.927228] fec0: c059ac18 c07e0574 00000001 00000000 c059b1c4 c139fd58 c059b1c4 c5e0e000 <0>[ 77.935678] fee0: b6eb2000 00020000 00000004 0000000d 0001fff3 c5e0fee0 00000001 b6eb1000 <0>[ 77.944125] ff00: c64e3900 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 77.952574] ff20: 00000000 00000000 c139fd58 6b7610fb c205e4c0 c5b10780 c5b10780 c5e0e000 <0>[ 77.961024] ff40: b6eb2000 00000000 00000000 00000004 c5e0ff94 c5e0ff60 c059b1c4 c059ab18 <0>[ 77.969473] ff60: 00000000 00000000 c5e0ffac 6b7610fb 0000000d 0000000d b6ff9e00 00000004 <0>[ 77.977922] ff80: c03002e4 c5e0e000 c5e0ffa4 c5e0ff98 c059b254 c059b15c 00000000 c5e0ffa8 <0>[ 77.986370] ffa0: c03000c0 c059b248 0000000d 0000000d 00000001 b6eb2000 0000000d 00000000 <0>[ 77.994820] ffc0: 0000000d 0000000d b6ff9e00 00000004 00000001 00000000 00020000 beed2ac4 <0>[ 78.003268] ffe0: 00000004 beed27f8 b6f63d8f b6eea7e6 800e0030 00000001 00000000 00000000 <0>[ 78.011710] Backtrace: <0>[ 78.014445] [] (execute_location) from [] (lkdtm_EXEC_KMALLOC+0x38/0x44) <0>[ 78.023156] r7:c5e0ff60 r6:0000000d r5:c6471000 r4:c61edc40 <0>[ 78.029090] [] (lkdtm_EXEC_KMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 78.037709] r5:c6471000 r4:00000021 <0>[ 78.041558] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 78.049840] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 78.058030] r9:c5e0ff60 r8:c5360b40 r7:0000000d r6:b6eb2000 r5:c5b10780 r4:c0c54b8c <0>[ 78.066052] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 78.074155] r9:c07e0568 r8:c5e0ff60 r7:c2815800 r6:b6eb2000 r5:c5b10780 r4:00000000 <0>[ 78.082171] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 78.089578] r10:00000004 r9:00000000 r8:00000000 r7:b6eb2000 r6:c5e0e000 r5:c5b10780 <0>[ 78.097674] r4:c5b10780 <0>[ 78.100481] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 78.107888] r9:c5e0e000 r8:c03002e4 r7:00000004 r6:b6ff9e00 r5:0000000d r4:0000000d <0>[ 78.115909] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 78.123746] Exception stack(0xc5e0ffa8 to 0xc5e0fff0) <0>[ 78.129068] ffa0: 0000000d 0000000d 00000001 b6eb2000 0000000d 00000000 <0>[ 78.137517] ffc0: 0000000d 0000000d b6ff9e00 00000004 00000001 00000000 00020000 beed2ac4 <0>[ 78.145963] ffe0: 00000004 beed27f8 b6f63d8f b6eea7e6 <0>[ 78.151288] Code: 00000002 00000000 00000000 00000000 (e1a0c00d) <4>[ 78.157655] ---[ end trace 184820ef97b03c25 ]--- # Segmentation fault # [ 77.724144] lkdtm: Performing direct entry EXEC_KMALLOC # [ 77.730967] lkdtm: attempting ok execution at c0c5551c # [ 77.739207] lkdtm: attempting bad execution at c61edc40 # [ 77.747595] 8<--- cut here --- # [ 77.753641] Unable to handle kernel paging request at virtual address c61edc40 # [ 77.763291] pgd = 9d22a786 # [ 77.767647] [c61edc40] *pgd=1601141e(bad) # [ 77.771944] Internal error: Oops: 8000000d [#5] SMP ARM # [ 77.777439] 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 flexcan can_dev parallel_display imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3 # [ 77.806770] CPU: 3 PID: 1837 Comm: cat Tainted: G D W 5.10.182-cip34 #1 # [ 77.814783] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 77.821584] PC is at 0xc61edc40 # [ 77.825007] LR is at execute_location+0xa4/0xb4 # [ 77.829806] pc : [] lr : [] psr: 600e0013 # [ 77.836339] sp : c5e0fe30 ip : c5e0fd38 fp : c5e0fe4c # [ 77.841831] r10: 0000000d r9 : c1ad0100 r8 : c15ebcc8 # [ 77.847324] r7 : c5e0ff60 r6 : 00000001 r5 : c61edc40 r4 : c0c5551c # [ 77.854119] r3 : 6b7610fb r2 : 6b7610fb r1 : ef7c05e0 r0 : 0000002b # [ 77.860917] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 77.868322] Control: 10c5387d Table: 1629004a DAC: 00000051 # [ 77.874337] Process cat (pid: 1837, stack limit = 0xc000be2c) # [ 77.880352] Stack: (0xc5e0fe30 to 0xc5e10000) # [ 77.884982] fe20: c61edc40 c6471000 0000000d c5e0ff60 # [ 77.893431] fe40: c5e0fe64 c5e0fe50 c0c5556c c138a808 00000021 c6471000 c5e0fe74 c5e0fe68 # [ 77.901879] fe60: c0c547ac c0c55540 c5e0fe9c c5e0fe78 c0c54cac c0c5478c c0c54b8c c5b10780 # [ 77.910328] fe80: b6eb2000 0000000d c5360b40 c5e0ff60 c5e0fec4 c5e0fea0 c07e05cc c0c54b98 # [ 77.918779] fea0: 00000000 c5b10780 b6eb2000 c2815800 c5e0ff60 c07e0568 c5e0ff5c c5e0fec8 # [ 77.927228] fec0: c059ac18 c07e0574 00000001 00000000 c059b1c4 c139fd58 c059b1c4 c5e0e000 # [ 77.935678] fee0: b6eb2000 00020000 00000004 0000000d 0001fff3 c5e0fee0 00000001 b6eb1000 # [ 77.944125] ff00: c64e3900 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 77.952574] ff20: 00000000 00000000 c139fd58 6b7610fb c205e4c0 c5b10780 c5b10780 c5e0e000 # [ 77.961024] ff40: b6eb2000 00000000 00000000 00000004 c5e0ff94 c5e0ff60 c059b1c4 c059ab18 # [ 77.969473] ff60: 00000000 00000000 c5e0ffac 6b7610fb 0000000d 0000000d b6ff9e00 00000004 # [ 77.977922] ff80: c03002e4 c5e0e000 c5e0ffa4 c5e0ff98 c059b254 c059b15c 00000000 c5e0ffa8 # [ 77.986370] ffa0: c03000c0 c059b248 0000000d 0000000d 00000001 b6eb2000 0000000d 00000000 # [ 77.994820] ffc0: 0000000d 0000000d b6ff9e00 00000004 00000001 00000000 00020000 beed2ac4 # [ 78.003268] ffe0: 00000004 beed27f8 b6f63d8f b6eea7e6 800e0030 00000001 00000000 00000000 # [ 78.011710] Backtrace: # [ 78.014445] [] (execute_location) from [] (lkdtm_EXEC_KMALLOC+0x38/0x44) # [ 78.023156] r7:c5e0ff60 r6:0000000d r5:c6471000 r4:c61edc40 # [ 78.029090] [] (lkdtm_EXEC_KMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) # [ 78.037709] r5:c6471000 r4:00000021 # [ 78.041558] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 78.049840] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 78.058030] r9:c5e0ff60 r8:c5360b40 r7:0000000d r6:b6eb2000 r5:c5b10780 r4:c0c54b8c # [ 78.066052] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 78.074155] r9:c07e0568 r8:c5e0ff60 r7:c2815800 r6:b6eb2000 r5:c5b10780 r4:00000000 # [ 78.082171] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 78.089578] r10:00000004 r9:00000000 r8:00000000 r7:b6eb2000 r6:c5e0e000 r5:c5b10780 # [ 78.097674] r4:c5b10780 # [ 78.100481] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 78.107888] r9:c5e0e000 r8:c03002e4 r7:00000004 r6:b6ff9e00 r5:0000000d r4:0000000d # [ 78.115909] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 78.123746] Exception stack(0xc5e0ffa8 to 0xc5e0fff0) # [ 78.129068] ffa0: 0000000d 0000000d 00000001 b6eb2000 0000000d 00000000 # [ 78.137517] ffc0: 0000000d 0000000d b6ff9e00 00000004 00000001 00000000 00020000 beed2ac4 # [ 78.145963] ffe0: 00000004 beed27f8 b6f63d8f b6eea7e6 # [ 78.151288] Code: 00000002 00000000 00000000 00000000 (e1a0c00d) # [ 78.1576<6>[ 78.675941] lkdtm: Performing direct entry EXEC_VMALLOC 55] ---[ end trace 184820ef97b03c<6>[ 78.681783] lkdtm: attempting ok execution at c0c5551c 25 ]--- # EXEC_KMALLOC: missing <6>[ 78.689974] lkdtm: attempting bad execution at f096c000 'call trace:': [FAIL] not ok 32 <1>[ 78.698312] 8<--- cut here --- selftests: lkdtm: EXEC_KMALLOC.sh<1>[ 78.704456] Unable to handle kernel paging request at virtual address f096c000 # exit=1 # selftests: lkdtm: EX<1>[ 78.714861] pgd = 575a2138 EC_VMALLOC.sh <1>[ 78.720677] [f096c000] *pgd=12949811, *pte=4944365f, *ppte=4944345f <0>[ 78.728492] Internal error: Oops: 8000000f [#6] SMP ARM <4>[ 78.733992] 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 flexcan can_dev parallel_display imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3 <4>[ 78.763332] CPU: 3 PID: 1914 Comm: cat Tainted: G D W 5.10.182-cip34 #1 <4>[ 78.771345] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 78.778149] PC is at 0xf096c000 <4>[ 78.781573] LR is at execute_location+0xa4/0xb4 <4>[ 78.786373] pc : [] lr : [] psr: 600e0013 <4>[ 78.792910] sp : c64f5e30 ip : c64f5d38 fp : c64f5e4c <4>[ 78.798404] r10: 0000000d r9 : c1ad0110 r8 : c15ebcc8 <4>[ 78.803897] r7 : c64f5f60 r6 : 00000001 r5 : f096c000 r4 : c0c5551c <4>[ 78.810693] r3 : 1ee18f92 r2 : 1ee18f92 r1 : ef7c05e0 r0 : 0000002b <4>[ 78.817490] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 78.824895] Control: 10c5387d Table: 1651404a DAC: 00000051 <0>[ 78.830911] Process cat (pid: 1914, stack limit = 0x72f9a0ea) <0>[ 78.836927] Stack: (0xc64f5e30 to 0xc64f6000) <0>[ 78.841556] 5e20: f096c000 c646e000 0000000d c64f5f60 <0>[ 78.850007] 5e40: c64f5e64 c64f5e50 c0c555a0 c138a808 00000022 c646e000 c64f5e74 c64f5e68 <0>[ 78.858456] 5e60: c0c547ac c0c55584 c64f5e9c c64f5e78 c0c54cac c0c5478c c0c54b8c c5cfb2c0 <0>[ 78.866905] 5e80: b6db7000 0000000d c5360b40 c64f5f60 c64f5ec4 c64f5ea0 c07e05cc c0c54b98 <0>[ 78.875354] 5ea0: 00000000 c5cfb2c0 b6db7000 c2815800 c64f5f60 c07e0568 c64f5f5c c64f5ec8 <0>[ 78.883803] 5ec0: c059ac18 c07e0574 00000001 00000000 c059b1c4 c139fd58 c059b1c4 c64f4000 <0>[ 78.892252] 5ee0: b6db7000 00020000 00000004 0000000d 0001fff3 c64f5ee0 00000001 b6db6000 <0>[ 78.900700] 5f00: c5bf63c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 78.909149] 5f20: 00000000 00000000 c139fd58 1ee18f92 c205e4c0 c5cfb2c0 c5cfb2c0 c64f4000 <0>[ 78.917599] 5f40: b6db7000 00000000 00000000 00000004 c64f5f94 c64f5f60 c059b1c4 c059ab18 <0>[ 78.926049] 5f60: 00000000 00000000 c64f5fac 1ee18f92 0000000d 0000000d b6efee00 00000004 <0>[ 78.934498] 5f80: c03002e4 c64f4000 c64f5fa4 c64f5f98 c059b254 c059b15c 00000000 c64f5fa8 <0>[ 78.942947] 5fa0: c03000c0 c059b248 0000000d 0000000d 00000001 b6db7000 0000000d 00000000 <0>[ 78.951396] 5fc0: 0000000d 0000000d b6efee00 00000004 00000001 00000000 00020000 bed02ac4 <0>[ 78.959845] 5fe0: 00000004 bed027f8 b6e68d8f b6def7e6 800e0030 00000001 00000000 00000000 <0>[ 78.968286] Backtrace: <0>[ 78.971027] [] (execute_location) from [] (lkdtm_EXEC_VMALLOC+0x28/0x34) <0>[ 78.979738] r7:c64f5f60 r6:0000000d r5:c646e000 r4:f096c000 <0>[ 78.985673] [] (lkdtm_EXEC_VMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 78.994293] r5:c646e000 r4:00000022 <0>[ 78.998143] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 79.006426] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 79.014616] r9:c64f5f60 r8:c5360b40 r7:0000000d r6:b6db7000 r5:c5cfb2c0 r4:c0c54b8c <0>[ 79.022640] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 79.030745] r9:c07e0568 r8:c64f5f60 r7:c2815800 r6:b6db7000 r5:c5cfb2c0 r4:00000000 <0>[ 79.038763] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 79.046171] r10:00000004 r9:00000000 r8:00000000 r7:b6db7000 r6:c64f4000 r5:c5cfb2c0 <0>[ 79.054268] r4:c5cfb2c0 <0>[ 79.057075] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 79.064483] r9:c64f4000 r8:c03002e4 r7:00000004 r6:b6efee00 r5:0000000d r4:0000000d <0>[ 79.072502] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 79.080341] Exception stack(0xc64f5fa8 to 0xc64f5ff0) <0>[ 79.085665] 5fa0: 0000000d 0000000d 00000001 b6db7000 0000000d 00000000 <0>[ 79.094114] 5fc0: 0000000d 0000000d b6efee00 00000004 00000001 00000000 00020000 bed02ac4 <0>[ 79.102558] 5fe0: 00000004 bed027f8 b6e68d8f b6def7e6 <0>[ 79.107887] Code: bad PC value <4>[ 79.111300] ---[ end trace 184820ef97b03c26 ]--- # Segmentation fault # [ 78.675941] lkdtm: Performing direct entry EXEC_VMALLOC # [ 78.681783] lkdtm: attempting ok execution at c0c5551c # [ 78.689974] lkdtm: attempting bad execution at f096c000 # [ 78.698312] 8<--- cut here --- # [ 78.704456] Unable to handle kernel paging request at virtual address f096c000 # [ 78.714861] pgd = 575a2138 # [ 78.720677] [f096c000] *pgd=12949811, *pte=4944365f, *ppte=4944345f # [ 78.728492] Internal error: Oops: 8000000f [#6] SMP ARM # [ 78.733992] 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 flexcan can_dev parallel_display imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3 # [ 78.763332] CPU: 3 PID: 1914 Comm: cat Tainted: G D W 5.10.182-cip34 #1 # [ 78.771345] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 78.778149] PC is at 0xf096c000 # [ 78.781573] LR is at execute_location+0xa4/0xb4 # [ 78.786373] pc : [] lr : [] psr: 600e0013 # [ 78.792910] sp : c64f5e30 ip : c64f5d38 fp : c64f5e4c # [ 78.798404] r10: 0000000d r9 : c1ad0110 r8 : c15ebcc8 # [ 78.803897] r7 : c64f5f60 r6 : 00000001 r5 : f096c000 r4 : c0c5551c # [ 78.810693] r3 : 1ee18f92 r2 : 1ee18f92 r1 : ef7c05e0 r0 : 0000002b # [ 78.817490] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 78.824895] Control: 10c5387d Table: 1651404a DAC: 00000051 # [ 78.830911] Process cat (pid: 1914, stack limit = 0x72f9a0ea) # [ 78.836927] Stack: (0xc64f5e30 to 0xc64f6000) # [ 78.841556] 5e20: f096c000 c646e000 0000000d c64f5f60 # [ 78.850007] 5e40: c64f5e64 c64f5e50 c0c555a0 c138a808 00000022 c646e000 c64f5e74 c64f5e68 # [ 78.858456] 5e60: c0c547ac c0c55584 c64f5e9c c64f5e78 c0c54cac c0c5478c c0c54b8c c5cfb2c0 # [ 78.866905] 5e80: b6db7000 0000000d c5360b40 c64f5f60 c64f5ec4 c64f5ea0 c07e05cc c0c54b98 # [ 78.875354] 5ea0: 00000000 c5cfb2c0 b6db7000 c2815800 c64f5f60 c07e0568 c64f5f5c c64f5ec8 # [ 78.883803] 5ec0: c059ac18 c07e0574 00000001 00000000 c059b1c4 c139fd58 c059b1c4 c64f4000 # [ 78.892252] 5ee0: b6db7000 00020000 00000004 0000000d 0001fff3 c64f5ee0 00000001 b6db6000 # [ 78.900700] 5f00: c5bf63c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 78.909149] 5f20: 00000000 00000000 c139fd58 1ee18f92 c205e4c0 c5cfb2c0 c5cfb2c0 c64f4000 # [ 78.917599] 5f40: b6db7000 00000000 00000000 00000004 c64f5f94 c64f5f60 c059b1c4 c059ab18 # [ 78.926049] 5f60: 00000000 00000000 c64f5fac 1ee18f92 0000000d 0000000d b6efee00 00000004 # [ 78.934498] 5f80: c03002e4 c64f4000 c64f5fa4 c64f5f98 c059b254 c059b15c 00000000 c64f5fa8 # [ 78.942947] 5fa0: c03000c0 c059b248 0000000d 0000000d 00000001 b6db7000 0000000d 00000000 # [ 78.951396] 5fc0: 0000000d 0000000d b6efee00 00000004 00000001 00000000 00020000 bed02ac4 # [ 78.959845] 5fe0: 00000004 bed027f8 b6e68d8f b6def7e6 800e0030 00000001 00000000 00000000 # [ 78.968286] Backtrace: # [ 78.971027] [] (execute_location) from [] (lkdtm_EXEC_VMALLOC+0x28/0x34) # [ 78.979738] r7:c64f5f60 r6:0000000d r5:c646e000 r4:f096c000 # [ 78.985673] [] (lkdtm_EXEC_VMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) # [ 78.994293] r5:c646e000 r4:00000022 # [ 78.998143] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 79.006426] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 79.014616] r9:c64f5f60 r8:c5360b40 r7:0000000d r6:b6db7000 r5:c5cfb2c0 r4:c0c54b8c # [ 79.022640] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 79.030745] r9:c07e0568 r8:c64f5f60 r7:c2815800 r6:b6db7000 r5:c5cfb2c0 r4:00000000 # [ 79.038763] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 79.046171] r10:00000004 r9:00000000 r8:00000000 r7:b6db7000 r6:c64f4000 r5:c5cfb2c0 # [ 79.054268] r4:c5cfb2c0 # [ 79.057075] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 79.064483] r9:c64f4000 r8:c03002e4 r7:00000004 r6:b6efee00 r5:0000000d r4:0000000d # [ 79.072502] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 79.080341] Exception stack(0xc64f5fa8 to 0xc64f5ff0) # [ 79.085665] 5fa0: 0000000d 0000000d 00000001 b6db7000 0000000d 00000000 # [ 79.094114] 5fc0: 0000000d 0000000d b6efee00 00000004 00000001 00000000 00020000 bed02ac4 # [ 79.102558] 5fe0: 00000004 bed027f8 b6e68d8f b6def7e6 # [ 79.107887] Code: bad PC value # [ 79.111300] ---[ end trace 184820ef97b03c26 ]--- # EXEC_VMALLOC: missing 'call trace:': [FAIL] not ok 33 selftests: lkdtm: EXEC_VMALLOC.sh # <6>[ 79.632266] lkdtm: Performing direct entry EXEC_RODATA exit=1 # selftests: lkdtm: EXEC_<6>[ 79.638349] lkdtm: attempting ok execution at c0c5551c RODATA.sh <6>[ 79.646519] lkdtm: attempting bad execution at c15ebf64 <1>[ 79.653077] 8<--- cut here --- <1>[ 79.656424] Unable to handle kernel paging request at virtual address c15ebf64 <1>[ 79.663936] pgd = 199d0ad4 <1>[ 79.666930] [c15ebf64] *pgd=1141941e(bad) <0>[ 79.671260] Internal error: Oops: 8000000d [#7] SMP ARM <4>[ 79.676769] 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 flexcan can_dev parallel_display imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3 <4>[ 79.706314] CPU: 0 PID: 1991 Comm: cat Tainted: G D W 5.10.182-cip34 #1 <4>[ 79.714339] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 79.721167] PC is at lkdtm_rodata_do_nothing+0x0/0x10 <4>[ 79.726522] LR is at execute_location+0xa4/0xb4 <4>[ 79.731340] pc : [] lr : [] psr: 600e0013 <4>[ 79.737889] sp : c5aebe38 ip : c5aebd40 fp : c5aebe54 <4>[ 79.743395] r10: 0000000c r9 : c1ad0120 r8 : c15ebcc8 <4>[ 79.748902] r7 : c5aebf60 r6 : 00000000 r5 : c15ebf64 r4 : c0c5551c <4>[ 79.755711] r3 : d31c8684 r2 : d31c8684 r1 : ef7815e0 r0 : 0000002b <4>[ 79.762527] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 79.769945] Control: 10c5387d Table: 1581404a DAC: 00000051 <0>[ 79.775977] Process cat (pid: 1991, stack limit = 0x642bae35) <0>[ 79.782007] Stack: (0xc5aebe38 to 0xc5aec000) <0>[ 79.786651] be20: 00000023 c6415000 <0>[ 79.795120] be40: 0000000c c5aebf60 c5aebe64 c5aebe58 c138aa88 c138a808 c5aebe74 c5aebe68 <0>[ 79.803587] be60: c0c547ac c138aa70 c5aebe9c c5aebe78 c0c54cac c0c5478c c0c54b8c c611be00 <0>[ 79.812053] be80: b6e26000 0000000c c5360b40 c5aebf60 c5aebec4 c5aebea0 c07e05cc c0c54b98 <0>[ 79.820520] bea0: 00000000 c611be00 b6e26000 c2815800 c5aebf60 c07e0568 c5aebf5c c5aebec8 <0>[ 79.828988] bec0: c059ac18 c07e0574 00000001 00000000 c059b1c4 c139fd58 c059b1c4 c5aea000 <0>[ 79.837455] bee0: b6e26000 00020000 00000004 0000000c 0001fff4 c5aebee0 00000001 b6e25000 <0>[ 79.845921] bf00: c5b117c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 79.854390] bf20: 00000000 00000000 c139fd58 d31c8684 c205e4c0 c611be00 c611be00 c5aea000 <0>[ 79.862859] bf40: b6e26000 00000000 00000000 00000004 c5aebf94 c5aebf60 c059b1c4 c059ab18 <0>[ 79.871327] bf60: 00000000 00000000 c5aebfac d31c8684 0000000c 0000000c b6f6de00 00000004 <0>[ 79.879794] bf80: c03002e4 c5aea000 c5aebfa4 c5aebf98 c059b254 c059b15c 00000000 c5aebfa8 <0>[ 79.888261] bfa0: c03000c0 c059b248 0000000c 0000000c 00000001 b6e26000 0000000c 00000000 <0>[ 79.896729] bfc0: 0000000c 0000000c b6f6de00 00000004 00000001 00000000 00020000 becc2ac4 <0>[ 79.905196] bfe0: 00000004 becc27f8 b6ed7d8f b6e5e7e6 800e0030 00000001 00000000 00000000 <0>[ 79.913651] Backtrace: <0>[ 79.916414] [] (execute_location) from [] (lkdtm_EXEC_RODATA+0x24/0x28) <0>[ 79.925060] r7:c5aebf60 r6:0000000c r5:c6415000 r4:00000023 <0>[ 79.931019] [] (lkdtm_EXEC_RODATA) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 79.939578] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 79.947883] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 79.956092] r9:c5aebf60 r8:c5360b40 r7:0000000c r6:b6e26000 r5:c611be00 r4:c0c54b8c <0>[ 79.964138] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 79.972260] r9:c07e0568 r8:c5aebf60 r7:c2815800 r6:b6e26000 r5:c611be00 r4:00000000 <0>[ 79.980297] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 79.987723] r10:00000004 r9:00000000 r8:00000000 r7:b6e26000 r6:c5aea000 r5:c611be00 <0>[ 79.995832] r4:c611be00 <0>[ 79.998660] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 80.006086] r9:c5aea000 r8:c03002e4 r7:00000004 r6:b6f6de00 r5:0000000c r4:0000000c <0>[ 80.014125] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 80.021976] Exception stack(0xc5aebfa8 to 0xc5aebff0) <0>[ 80.027316] bfa0: 0000000c 0000000c 00000001 b6e26000 0000000c 00000000 <0>[ 80.035784] bfc0: 0000000c 0000000c b6f6de00 00000004 00000001 00000000 00020000 becc2ac4 <0>[ 80.044246] bfe0: 00000004 becc27f8 b6ed7d8f b6e5e7e6 <0>[ 80.049589] Code: 5f727563 6e756f63 00000074 aa55aa55 (e1a0c00d) <4>[ 80.055975] ---[ end trace 184820ef97b03c27 ]--- # Segmentation fault # [ 79.632266] lkdtm: Performing direct entry EXEC_RODATA # [ 79.638349] lkdtm: attempting ok execution at c0c5551c # [ 79.646519] lkdtm: attempting bad execution at c15ebf64 # [ 79.653077] 8<--- cut here --- # [ 79.656424] Unable to handle kernel paging request at virtual address c15ebf64 # [ 79.663936] pgd = 199d0ad4 # [ 79.666930] [c15ebf64] *pgd=1141941e(bad) # [ 79.671260] Internal error: Oops: 8000000d [#7] SMP ARM # [ 79.676769] 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 flexcan can_dev parallel_display imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3 # [ 79.706314] CPU: 0 PID: 1991 Comm: cat Tainted: G D W 5.10.182-cip34 #1 # [ 79.714339] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 79.721167] PC is at lkdtm_rodata_do_nothing+0x0/0x10 # [ 79.726522] LR is at execute_location+0xa4/0xb4 # [ 79.731340] pc : [] lr : [] psr: 600e0013 # [ 79.737889] sp : c5aebe38 ip : c5aebd40 fp : c5aebe54 # [ 79.743395] r10: 0000000c r9 : c1ad0120 r8 : c15ebcc8 # [ 79.748902] r7 : c5aebf60 r6 : 00000000 r5 : c15ebf64 r4 : c0c5551c # [ 79.755711] r3 : d31c8684 r2 : d31c8684 r1 : ef7815e0 r0 : 0000002b # [ 79.762527] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 79.769945] Control: 10c5387d Table: 1581404a DAC: 00000051 # [ 79.775977] Process cat (pid: 1991, stack limit = 0x642bae35) # [ 79.782007] Stack: (0xc5aebe38 to 0xc5aec000) # [ 79.786651] be20: 00000023 c6415000 # [ 79.795120] be40: 0000000c c5aebf60 c5aebe64 c5aebe58 c138aa88 c138a808 c5aebe74 c5aebe68 # [ 79.803587] be60: c0c547ac c138aa70 c5aebe9c c5aebe78 c0c54cac c0c5478c c0c54b8c c611be00 # [ 79.812053] be80: b6e26000 0000000c c5360b40 c5aebf60 c5aebec4 c5aebea0 c07e05cc c0c54b98 # [ 79.820520] bea0: 00000000 c611be00 b6e26000 c2815800 c5aebf60 c07e0568 c5aebf5c c5aebec8 # [ 79.828988] bec0: c059ac18 c07e0574 00000001 00000000 c059b1c4 c139fd58 c059b1c4 c5aea000 # [ 79.837455] bee0: b6e26000 00020000 00000004 0000000c 0001fff4 c5aebee0 00000001 b6e25000 # [ 79.845921] bf00: c5b117c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 79.854390] bf20: 00000000 00000000 c139fd58 d31c8684 c205e4c0 c611be00 c611be00 c5aea000 # [ 79.862859] bf40: b6e26000 00000000 00000000 00000004 c5aebf94 c5aebf60 c059b1c4 c059ab18 # [ 79.871327] bf60: 00000000 00000000 c5aebfac d31c8684 0000000c 0000000c b6f6de00 00000004 # [ 79.879794] bf80: c03002e4 c5aea000 c5aebfa4 c5aebf98 c059b254 c059b15c 00000000 c5aebfa8 # [ 79.888261] bfa0: c03000c0 c059b248 0000000c 0000000c 00000001 b6e26000 0000000c 00000000 # [ 79.896729] bfc0: 0000000c 0000000c b6f6de00 00000004 00000001 00000000 00020000 becc2ac4 # [ 79.905196] bfe0: 00000004 becc27f8 b6ed7d8f b6e5e7e6 800e0030 00000001 00000000 00000000 # [ 79.913651] Backtrace: # [ 79.916414] [] (execute_location) from [] (lkdtm_EXEC_RODATA+0x24/0x28) # [ 79.925060] r7:c5aebf60 r6:0000000c r5:c6415000 r4:00000023 # [ 79.931019] [] (lkdtm_EXEC_RODATA) from [] (lkdtm_do_action+0x2c/0x4c) # [ 79.939578] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 79.947883] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 79.956092] r9:c5aebf60 r8:c5360b40 r7:0000000c r6:b6e26000 r5:c611be00 r4:c0c54b8c # [ 79.964138] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 79.972260] r9:c07e0568 r8:c5aebf60 r7:c2815800 r6:b6e26000 r5:c611be00 r4:00000000 # [ 79.980297] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 79.987723] r10:00000004 r9:00000000 r8:00000000 r7:b6e26000 r6:c5aea000 r5:c611be00 # [ 79.995832] r4:c611be00 # [ 79.998660] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 80.006086] r9:c5aea000 r8:c03002e4 r7:00000004 r6:b6f6de00 r5:0000000c r4:0000000c # [ 80.014125] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 80.021976] Exception stack(0xc5aebfa8 to 0xc5aebff0) # [ 80.027316] bfa0: 0000000c 0000000c 00000001 b6e26000 0000000c 00000000 # [ 80.035784] bfc0: 0000000c 0000000c b6f6de00 00000004 00000001 00000000 00020000 becc2ac4 # [ 80.044246] bfe0: 00000004 becc27f8 b6ed7d8f b6e5e7e6 # [ 80.049589] Code: 5f727563 6e756f63 00000074 aa55aa55 (e1a0c00d) # [ 80.055975] ---[ end trace 184820ef97b03c27 ]--- # EXEC_RODATA: missing 'call trace:': [FAIL] not ok 34 selftests: lkdtm: EXEC_RODATA.sh # exit=1 # selftests: lkdtm: EXEC_USERSPACE.sh <6>[ 80.657079] lkdtm: Performing direct entry EXEC_USERSPACE <6>[ 80.662950] lkdtm: attempting ok execution at c0c5551c <6>[ 80.668550] lkdtm: attempting bad execution at b6f33000 <1>[ 80.674059] Unhandled prefetch abort: page domain fault (0x00b) at 0xb6f33000 <0>[ 80.681468] Internal error: : b [#8] SMP ARM <4>[ 80.686009] 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 flexcan can_dev parallel_display imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3 <4>[ 80.715341] CPU: 1 PID: 2067 Comm: cat Tainted: G D W 5.10.182-cip34 #1 <4>[ 80.723354] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 80.730155] PC is at 0xb6f33000 <4>[ 80.733574] LR is at lkdtm_EXEC_USERSPACE+0xc4/0xd4 <4>[ 80.738721] pc : [] lr : [] psr: 600e0013 <4>[ 80.745255] sp : c5bf3e48 ip : 00000027 fp : c5bf3e64 <4>[ 80.750747] r10: 0000000f r9 : c1ad012c r8 : c15ebcc8 <4>[ 80.756240] r7 : c5bf3f60 r6 : 0000000f r5 : c5db8000 r4 : b6f33000 <4>[ 80.763036] r3 : 02c49f4e r2 : 02c49f4e r1 : ef7965e4 r0 : 0000002b <4>[ 80.769833] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 80.777238] Control: 10c5387d Table: 1607004a DAC: 00000051 <0>[ 80.783253] Process cat (pid: 2067, stack limit = 0xaed68845) <0>[ 80.789271] Stack: (0xc5bf3e48 to 0xc5bf4000) <0>[ 80.793902] 3e40: 00000001 00000000 0000000f 00000024 c5bf3e74 c5bf3e68 <0>[ 80.802352] 3e60: c0c547ac c0c555b8 c5bf3e9c c5bf3e78 c0c54cac c0c5478c c0c54b8c c5bf7900 <0>[ 80.810803] 3e80: b6ded000 0000000f c5360b40 c5bf3f60 c5bf3ec4 c5bf3ea0 c07e05cc c0c54b98 <0>[ 80.819253] 3ea0: 00000000 c5bf7900 b6ded000 c2815800 c5bf3f60 c07e0568 c5bf3f5c c5bf3ec8 <0>[ 80.827703] 3ec0: c059ac18 c07e0574 00000001 00000000 c059b1c4 c596cb64 c059b1c4 c5bf2000 <0>[ 80.836152] 3ee0: b6ded000 00020000 00000004 0000000f 0001fff1 c5bf3ee0 00000001 00000805 <0>[ 80.844601] 3f00: c4770640 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 80.853051] 3f20: 00000000 00000000 c5bf2000 02c49f4e b6dec000 c5bf7900 c5bf7900 c5bf2000 <0>[ 80.861499] 3f40: b6ded000 00000000 00000000 00000004 c5bf3f94 c5bf3f60 c059b1c4 c059ab18 <0>[ 80.869949] 3f60: 00000000 00000000 c5bf3fac 02c49f4e 0000000f 0000000f b6f34e00 00000004 <0>[ 80.878398] 3f80: c03002e4 c5bf2000 c5bf3fa4 c5bf3f98 c059b254 c059b15c 00000000 c5bf3fa8 <0>[ 80.886846] 3fa0: c03000c0 c059b248 0000000f 0000000f 00000001 b6ded000 0000000f 00000000 <0>[ 80.895297] 3fc0: 0000000f 0000000f b6f34e00 00000004 00000001 00000000 00020000 bee1dac4 <0>[ 80.903745] 3fe0: 00000004 bee1d7f8 b6e9ed8f b6e257e6 800e0030 00000001 00000000 00000000 <0>[ 80.912186] Backtrace: <0>[ 80.914919] [] (lkdtm_EXEC_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 80.923713] r4:00000024 <0>[ 80.926524] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 80.934806] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 80.942997] r9:c5bf3f60 r8:c5360b40 r7:0000000f r6:b6ded000 r5:c5bf7900 r4:c0c54b8c <0>[ 80.951021] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 80.959124] r9:c07e0568 r8:c5bf3f60 r7:c2815800 r6:b6ded000 r5:c5bf7900 r4:00000000 <0>[ 80.967142] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 80.974549] r10:00000004 r9:00000000 r8:00000000 r7:b6ded000 r6:c5bf2000 r5:c5bf7900 <0>[ 80.982645] r4:c5bf7900 <0>[ 80.985453] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 80.992860] r9:c5bf2000 r8:c03002e4 r7:00000004 r6:b6f34e00 r5:0000000f r4:0000000f <0>[ 81.000880] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 81.008716] Exception stack(0xc5bf3fa8 to 0xc5bf3ff0) <0>[ 81.014038] 3fa0: 0000000f 0000000f 00000001 b6ded000 0000000f 00000000 <0>[ 81.022488] 3fc0: 0000000f 0000000f b6f34e00 00000004 00000001 00000000 00020000 bee1dac4 <0>[ 81.030934] 3fe0: 00000004 bee1d7f8 b6e9ed8f b6e257e6 <0>[ 81.036262] Code: bad PC value <4>[ 81.039594] ---[ end trace 184820ef97b03c28 ]--- # Segmentation fault # [ 80.657079] lkdtm: Performing direct entry EXEC_USERSPACE # [ 80.662950] lkdtm: attempting ok execution at c0c5551c # [ 80.668550] lkdtm: attempting bad execution at b6f33000 # [ 80.674059] Unhandled prefetch abort: page domain fault (0x00b) at 0xb6f33000 # [ 80.681468] Internal error: : b [#8] SMP ARM # [ 80.686009] 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 flexcan can_dev parallel_display imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3 # [ 80.715341] CPU: 1 PID: 2067 Comm: cat Tainted: G D W 5.10.182-cip34 #1 # [ 80.723354] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 80.730155] PC is at 0xb6f33000 # [ 80.733574] LR is at lkdtm_EXEC_USERSPACE+0xc4/0xd4 # [ 80.738721] pc : [] lr : [] psr: 600e0013 # [ 80.745255] sp : c5bf3e48 ip : 00000027 fp : c5bf3e64 # [ 80.750747] r10: 0000000f r9 : c1ad012c r8 : c15ebcc8 # [ 80.756240] r7 : c5bf3f60 r6 : 0000000f r5 : c5db8000 r4 : b6f33000 # [ 80.763036] r3 : 02c49f4e r2 : 02c49f4e r1 : ef7965e4 r0 : 0000002b # [ 80.769833] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 80.777238] Control: 10c5387d Table: 1607004a DAC: 00000051 # [ 80.783253] Process cat (pid: 2067, stack limit = 0xaed68845) # [ 80.789271] Stack: (0xc5bf3e48 to 0xc5bf4000) # [ 80.793902] 3e40: 00000001 00000000 0000000f 00000024 c5bf3e74 c5bf3e68 # [ 80.802352] 3e60: c0c547ac c0c555b8 c5bf3e9c c5bf3e78 c0c54cac c0c5478c c0c54b8c c5bf7900 # [ 80.810803] 3e80: b6ded000 0000000f c5360b40 c5bf3f60 c5bf3ec4 c5bf3ea0 c07e05cc c0c54b98 # [ 80.819253] 3ea0: 00000000 c5bf7900 b6ded000 c2815800 c5bf3f60 c07e0568 c5bf3f5c c5bf3ec8 # [ 80.827703] 3ec0: c059ac18 c07e0574 00000001 00000000 c059b1c4 c596cb64 c059b1c4 c5bf2000 # [ 80.836152] 3ee0: b6ded000 00020000 00000004 0000000f 0001fff1 c5bf3ee0 00000001 00000805 # [ 80.844601] 3f00: c4770640 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 80.853051] 3f20: 00000000 00000000 c5bf2000 02c49f4e b6dec000 c5bf7900 c5bf7900 c5bf2000 # [ 80.861499] 3f40: b6ded000 00000000 00000000 00000004 c5bf3f94 c5bf3f60 c059b1c4 c059ab18 # [ 80.869949] 3f60: 00000000 00000000 c5bf3fac 02c49f4e 0000000f 0000000f b6f34e00 00000004 # [ 80.878398] 3f80: c03002e4 c5bf2000 c5bf3fa4 c5bf3f98 c059b254 c059b15c 00000000 c5bf3fa8 # [ 80.886846] 3fa0: c03000c0 c059b248 0000000f 0000000f 00000001 b6ded000 0000000f 00000000 # [ 80.895297] 3fc0: 0000000f 0000000f b6f34e00 00000004 00000001 00000000 00020000 bee1dac4 # [ 80.903745] 3fe0: 00000004 bee1d7f8 b6e9ed8f b6e257e6 800e0030 00000001 00000000 00000000 # [ 80.912186] Backtrace: # [ 80.914919] [] (lkdtm_EXEC_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 80.923713] r4:00000024 # [ 80.926524] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 80.934806] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 80.942997] r9:c5bf3f60 r8:c5360b40 r7:0000000f r6:b6ded000 r5:c5bf7900 r4:c0c54b8c # [ 80.951021] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 80.959124] r9:c07e0568 r8:c5bf3f60 r7:c2815800 r6:b6ded000 r5:c5bf7900 r4:00000000 # [ 80.967142] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 80.974549] r10:00000004 r9:00000000 r8:00000000 r7:b6ded000 r6:c5bf2000 r5:c5bf7900 # [ 80.982645] r4:c5bf7900 # [ 80.985453] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 80.992860] r9:c5bf2000 r8:c03002e4 r7:00000004 r6:b6f34e00 r5:0000000f r4:0000000f # [ 81.000880] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 81.008716] Exception stack(0xc5bf3fa8 to 0xc5bf3ff0) # [ 81.014038] 3fa0: 0000000f 0000000f 00000001 b6ded000 0000000f 00000000 # [ 81.022488] 3fc0: 0000000f 0000000f b6f34e00 00000004 00000001 00000000 00020000 bee1dac4 # [ 81.030934] 3fe0: 00000004 bee1d7f8 b6e9ed8f b6e257e6 # [ 81.036262] Code: bad PC value # [ 81.039594] ---[ end trace 184820ef97b03c28 ]--- # EXEC_USERSPACE: missing 'call trace:': [FAIL] not ok 35 selftests: lkdtm: EXEC_USERSPACE.sh # exit=1 # selftests: lkdtm: EXEC_NULL.sh <6>[ 81.597421] lkdtm: Performing direct entry EXEC_NULL <6>[ 81.602673] lkdtm: attempting ok execution at c0c5551c <6>[ 81.608166] lkdtm: attempting bad execution at 00000000 <1>[ 81.613678] 8<--- cut here --- <1>[ 81.617010] Unable to handle kernel NULL pointer dereference at virtual address 00000000 <1>[ 81.625437] pgd = 5fd3edca <1>[ 81.628473] [00000000] *pgd=00000000 <0>[ 81.632385] Internal error: Oops: 80000005 [#9] SMP ARM <4>[ 81.637892] 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 flexcan can_dev parallel_display imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3 <4>[ 81.667218] CPU: 3 PID: 2138 Comm: cat Tainted: G D W 5.10.182-cip34 #1 <4>[ 81.675231] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 81.682032] PC is at 0x0 <4>[ 81.684850] LR is at execute_location+0xa4/0xb4 <4>[ 81.689650] pc : [<00000000>] lr : [] psr: 600e0013 <4>[ 81.696186] sp : c59b9e38 ip : 00000027 fp : c59b9e54 <4>[ 81.701678] r10: 0000000a r9 : c1ad013c r8 : c15ebcc8 <4>[ 81.707171] r7 : c59b9f60 r6 : 00000000 r5 : 00000000 r4 : c0c5551c <4>[ 81.713967] r3 : 79b1bf22 r2 : 79b1bf22 r1 : ef7c05e4 r0 : 0000002b <4>[ 81.720763] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 81.728170] Control: 10c5387d Table: 163a804a DAC: 00000051 <0>[ 81.734185] Process cat (pid: 2138, stack limit = 0xda2062a3) <0>[ 81.740201] Stack: (0xc59b9e38 to 0xc59ba000) <0>[ 81.744829] 9e20: 00000025 c646e000 <0>[ 81.753280] 9e40: 0000000a c59b9f60 c59b9e64 c59b9e58 c138aaac c138a808 c59b9e74 c59b9e68 <0>[ 81.761728] 9e60: c0c547ac c138aa98 c59b9e9c c59b9e78 c0c54cac c0c5478c c0c54b8c c61177c0 <0>[ 81.770177] 9e80: b6e3c000 0000000a c5360b40 c59b9f60 c59b9ec4 c59b9ea0 c07e05cc c0c54b98 <0>[ 81.778627] 9ea0: 00000000 c61177c0 b6e3c000 c2815800 c59b9f60 c07e0568 c59b9f5c c59b9ec8 <0>[ 81.787076] 9ec0: c059ac18 c07e0574 00000001 00000000 c059b1c4 c139fd58 c059b1c4 c59b8000 <0>[ 81.795524] 9ee0: b6e3c000 00020000 00000004 0000000a 0001fff6 c59b9ee0 00000001 b6e3b000 <0>[ 81.803973] 9f00: c5bf7cc0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 81.812422] 9f20: 00000000 00000000 c139fd58 79b1bf22 c205e4c0 c61177c0 c61177c0 c59b8000 <0>[ 81.820872] 9f40: b6e3c000 00000000 00000000 00000004 c59b9f94 c59b9f60 c059b1c4 c059ab18 <0>[ 81.829322] 9f60: 00000000 00000000 c59b9fac 79b1bf22 0000000a 0000000a b6f83e00 00000004 <0>[ 81.837771] 9f80: c03002e4 c59b8000 c59b9fa4 c59b9f98 c059b254 c059b15c 00000000 c59b9fa8 <0>[ 81.846220] 9fa0: c03000c0 c059b248 0000000a 0000000a 00000001 b6e3c000 0000000a 00000000 <0>[ 81.854669] 9fc0: 0000000a 0000000a b6f83e00 00000004 00000001 00000000 00020000 bea7aac4 <0>[ 81.863118] 9fe0: 00000004 bea7a7f8 b6eedd8f b6e747e6 800e0030 00000001 00000000 00000000 <0>[ 81.871561] Backtrace: <0>[ 81.874296] [] (execute_location) from [] (lkdtm_EXEC_NULL+0x20/0x24) <0>[ 81.882747] r7:c59b9f60 r6:0000000a r5:c646e000 r4:00000025 <0>[ 81.888686] [] (lkdtm_EXEC_NULL) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 81.897052] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 81.905335] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 81.913524] r9:c59b9f60 r8:c5360b40 r7:0000000a r6:b6e3c000 r5:c61177c0 r4:c0c54b8c <0>[ 81.921547] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 81.929653] r9:c07e0568 r8:c59b9f60 r7:c2815800 r6:b6e3c000 r5:c61177c0 r4:00000000 <0>[ 81.937674] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 81.945084] r10:00000004 r9:00000000 r8:00000000 r7:b6e3c000 r6:c59b8000 r5:c61177c0 <0>[ 81.953180] r4:c61177c0 <0>[ 81.955989] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 81.963399] r9:c59b8000 r8:c03002e4 r7:00000004 r6:b6f83e00 r5:0000000a r4:0000000a <0>[ 81.971421] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 81.979260] Exception stack(0xc59b9fa8 to 0xc59b9ff0) <0>[ 81.984584] 9fa0: 0000000a 0000000a 00000001 b6e3c000 0000000a 00000000 <0>[ 81.993033] 9fc0: 0000000a 0000000a b6f83e00 00000004 00000001 00000000 00020000 bea7aac4 <0>[ 82.001481] 9fe0: 00000004 bea7a7f8 b6eedd8f b6e747e6 <0>[ 82.006809] Code: bad PC value <4>[ 82.010230] ---[ end trace 184820ef97b03c29 ]--- # Segmentation fault # [ 81.597421] lkdtm: Performing direct entry EXEC_NULL # [ 81.602673] lkdtm: attempting ok execution at c0c5551c # [ 81.608166] lkdtm: attempting bad execution at 00000000 # [ 81.613678] 8<--- cut here --- # [ 81.617010] Unable to handle kernel NULL pointer dereference at virtual address 00000000 # [ 81.625437] pgd = 5fd3edca # [ 81.628473] [00000000] *pgd=00000000 # [ 81.632385] Internal error: Oops: 80000005 [#9] SMP ARM # [ 81.637892] 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 flexcan can_dev parallel_display imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3 # [ 81.667218] CPU: 3 PID: 2138 Comm: cat Tainted: G D W 5.10.182-cip34 #1 # [ 81.675231] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 81.682032] PC is at 0x0 # [ 81.684850] LR is at execute_location+0xa4/0xb4 # [ 81.689650] pc : [<00000000>] lr : [] psr: 600e0013 # [ 81.696186] sp : c59b9e38 ip : 00000027 fp : c59b9e54 # [ 81.701678] r10: 0000000a r9 : c1ad013c r8 : c15ebcc8 # [ 81.707171] r7 : c59b9f60 r6 : 00000000 r5 : 00000000 r4 : c0c5551c # [ 81.713967] r3 : 79b1bf22 r2 : 79b1bf22 r1 : ef7c05e4 r0 : 0000002b # [ 81.720763] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 81.728170] Control: 10c5387d Table: 163a804a DAC: 00000051 # [ 81.734185] Process cat (pid: 2138, stack limit = 0xda2062a3) # [ 81.740201] Stack: (0xc59b9e38 to 0xc59ba000) # [ 81.744829] 9e20: 00000025 c646e000 # [ 81.753280] 9e40: 0000000a c59b9f60 c59b9e64 c59b9e58 c138aaac c138a808 c59b9e74 c59b9e68 # [ 81.761728] 9e60: c0c547ac c138aa98 c59b9e9c c59b9e78 c0c54cac c0c5478c c0c54b8c c61177c0 # [ 81.770177] 9e80: b6e3c000 0000000a c5360b40 c59b9f60 c59b9ec4 c59b9ea0 c07e05cc c0c54b98 # [ 81.778627] 9ea0: 00000000 c61177c0 b6e3c000 c2815800 c59b9f60 c07e0568 c59b9f5c c59b9ec8 # [ 81.787076] 9ec0: c059ac18 c07e0574 00000001 00000000 c059b1c4 c139fd58 c059b1c4 c59b8000 # [ 81.795524] 9ee0: b6e3c000 00020000 00000004 0000000a 0001fff6 c59b9ee0 00000001 b6e3b000 # [ 81.803973] 9f00: c5bf7cc0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 81.812422] 9f20: 00000000 00000000 c139fd58 79b1bf22 c205e4c0 c61177c0 c61177c0 c59b8000 # [ 81.820872] 9f40: b6e3c000 00000000 00000000 00000004 c59b9f94 c59b9f60 c059b1c4 c059ab18 # [ 81.829322] 9f60: 00000000 00000000 c59b9fac 79b1bf22 0000000a 0000000a b6f83e00 00000004 # [ 81.837771] 9f80: c03002e4 c59b8000 c59b9fa4 c59b9f98 c059b254 c059b15c 00000000 c59b9fa8 # [ 81.846220] 9fa0: c03000c0 c059b248 0000000a 0000000a 00000001 b6e3c000 0000000a 00000000 # [ 81.854669] 9fc0: 0000000a 0000000a b6f83e00 00000004 00000001 00000000 00020000 bea7aac4 # [ 81.863118] 9fe0: 00000004 bea7a7f8 b6eedd8f b6e747e6 800e0030 00000001 00000000 00000000 # [ 81.871561] Backtrace: # [ 81.874296] [] (execute_location) from [] (lkdtm_EXEC_NULL+0x20/0x24) # [ 81.882747] r7:c59b9f60 r6:0000000a r5:c646e000 r4:00000025 # [ 81.888686] [] (lkdtm_EXEC_NULL) from [] (lkdtm_do_action+0x2c/0x4c) # [ 81.897052] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 81.905335] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 81.913524] r9:c59b9f60 r8:c5360b40 r7:0000000a r6:b6e3c000 r5:c61177c0 r4:c0c54b8c # [ 81.921547] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 81.929653] r9:c07e0568 r8:c59b9f60 r7:c2815800 r6:b6e3c000 r5:c61177c0 r4:00000000 # [ 81.937674] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 81.945084] r10:00000004 r9:00000000 r8:00000000 r7:b6e3c000 r6:c59b8000 r5:c61177c0 # [ 81.953180] r4:c61177c0 # [ 81.955989] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 81.963399] r9:c59b8000 r8:c03002e4 r7:00000004 r6:b6f83e00 r5:0000000a r4:0000000a # [ 81.971421] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 81.979260] Exception stack(0xc59b9fa8 to 0xc59b9ff0) # [ 81.984584] 9fa0: 0000000a 0000000a 00000001 b6e3c000 0000000a 00000000 # [ 81.993033] 9fc0: 0000000a 0000000a b6f83e00 00000004 00000001 00000000 00020000 bea7aac4 # [ 82.001481] 9fe0: 00000004 bea7a7f8 b6eedd8f b6e747e6 # [ 82.006809] Code: bad PC value # [ 82.010230] ---[ end trace 184820ef97b03c29 ]--- # EXEC_NULL: missing 'call trace:': [FAIL] not ok 36 selftests: lkdtm:<6>[ 82.545725] lkdtm: Performing direct entry ACCESS_USERSPACE EXEC_NULL.sh # exit=1 # selftes<6>[ 82.552821] lkdtm: attempting bad read at b6f88000 ts: lkdtm: ACCESS_USERSPACE.sh <1>[ 82.560579] 8<--- cut here --- <1>[ 82.566587] Unhandled fault: page domain fault (0x01b) at 0xb6f88000 <1>[ 82.573222] pgd = 4b5bfd36 <1>[ 82.576200] [b6f88000] *pgd=49120831 <0>[ 82.580058] Internal error: : 1b [#10] SMP ARM <4>[ 82.584773] 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 flexcan can_dev parallel_display imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3 <4>[ 82.614108] CPU: 1 PID: 2214 Comm: cat Tainted: G D W 5.10.182-cip34 #1 <4>[ 82.622120] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 82.628928] PC is at lkdtm_ACCESS_USERSPACE+0x114/0x16c <4>[ 82.634435] LR is at __irq_work_queue_local+0x40/0x74 <4>[ 82.639756] pc : [] lr : [] psr: 600e0013 <4>[ 82.646292] sp : c59b9e38 ip : c59b9d40 fp : c59b9e64 <4>[ 82.651785] r10: 00000011 r9 : c1ad0148 r8 : c15ebcc8 <4>[ 82.657279] r7 : c59b9f60 r6 : 00000051 r5 : c59b8000 r4 : b6f88000 <4>[ 82.664074] r3 : ab969d9a r2 : ab969d9a r1 : ef7965e0 r0 : 00000026 <4>[ 82.670871] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 82.678275] Control: 10c5387d Table: 1651004a DAC: 00000051 <0>[ 82.684291] Process cat (pid: 2214, stack limit = 0xda2062a3) <0>[ 82.690307] Stack: (0xc59b9e38 to 0xc59ba000) <0>[ 82.694936] 9e20: 00000022 00000000 <0>[ 82.703385] 9e40: 00000000 ab969d9a c59b9e6c 00000026 c5da5000 00000011 c59b9e74 c59b9e68 <0>[ 82.711834] 9e60: c0c547ac c0c5568c c59b9e9c c59b9e78 c0c54cac c0c5478c c0c54b8c c5ad83c0 <0>[ 82.720285] 9e80: b6e42000 00000011 c5360b40 c59b9f60 c59b9ec4 c59b9ea0 c07e05cc c0c54b98 <0>[ 82.728734] 9ea0: 00000000 c5ad83c0 b6e42000 c2815800 c59b9f60 c07e0568 c59b9f5c c59b9ec8 <0>[ 82.737184] 9ec0: c059ac18 c07e0574 00000001 00000000 c059b1c4 c139fd58 c059b1c4 c59b8000 <0>[ 82.745634] 9ee0: b6e42000 00020000 00000004 00000011 0001ffef c59b9ee0 00000001 b6e41000 <0>[ 82.754081] 9f00: c4770640 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 82.762531] 9f20: 00000000 00000000 c139fd58 ab969d9a c205e4c0 c5ad83c0 c5ad83c0 c59b8000 <0>[ 82.770978] 9f40: b6e42000 00000000 00000000 00000004 c59b9f94 c59b9f60 c059b1c4 c059ab18 <0>[ 82.779427] 9f60: 00000000 00000000 c59b9fac ab969d9a 00000011 00000011 b6f89e00 00000004 <0>[ 82.787876] 9f80: c03002e4 c59b8000 c59b9fa4 c59b9f98 c059b254 c059b15c 00000000 c59b9fa8 <0>[ 82.796325] 9fa0: c03000c0 c059b248 00000011 00000011 00000001 b6e42000 00000011 00000000 <0>[ 82.804775] 9fc0: 00000011 00000011 b6f89e00 00000004 00000001 00000000 00020000 be88fac4 <0>[ 82.813224] 9fe0: 00000004 be88f7f8 b6ef3d8f b6e7a7e6 800e0030 00000001 00000000 00000000 <0>[ 82.821667] Backtrace: <0>[ 82.824399] [] (lkdtm_ACCESS_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 82.833369] r6:00000011 r5:c5da5000 r4:00000026 <0>[ 82.838262] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 82.846546] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 82.854735] r9:c59b9f60 r8:c5360b40 r7:00000011 r6:b6e42000 r5:c5ad83c0 r4:c0c54b8c <0>[ 82.862758] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 82.870861] r9:c07e0568 r8:c59b9f60 r7:c2815800 r6:b6e42000 r5:c5ad83c0 r4:00000000 <0>[ 82.878877] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 82.886285] r10:00000004 r9:00000000 r8:00000000 r7:b6e42000 r6:c59b8000 r5:c5ad83c0 <0>[ 82.894382] r4:c5ad83c0 <0>[ 82.897190] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 82.904598] r9:c59b8000 r8:c03002e4 r7:00000004 r6:b6f89e00 r5:00000011 r4:00000011 <0>[ 82.912617] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 82.920454] Exception stack(0xc59b9fa8 to 0xc59b9ff0) <0>[ 82.925777] 9fa0: 00000011 00000011 00000001 b6e42000 00000011 00000000 <0>[ 82.934228] 9fc0: 00000011 00000011 b6f89e00 00000004 00000001 00000000 00020000 be88fac4 <0>[ 82.942675] 9fe0: 00000004 be88f7f8 b6ef3d8f b6e7a7e6 <0>[ 82.948002] Code: e1a01004 e301006c e34c01ad eb1ca8b8 (e5943000) <4>[ 82.954370] ---[ end trace 184820ef97b03c2a ]--- # Segmentation fault # [ 82.545725] lkdtm: Performing direct entry ACCESS_USERSPACE # [ 82.552821] lkdtm: attempting bad read at b6f88000 # [ 82.560579] 8<--- cut here --- # [ 82.566587] Unhandled fault: page domain fault (0x01b) at 0xb6f88000 # [ 82.573222] pgd = 4b5bfd36 # [ 82.576200] [b6f88000] *pgd=49120831 # [ 82.580058] Internal error: : 1b [#10] SMP ARM # [ 82.584773] 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 flexcan can_dev parallel_display imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3 # [ 82.614108] CPU: 1 PID: 2214 Comm: cat Tainted: G D W 5.10.182-cip34 #1 # [ 82.622120] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 82.628928] PC is at lkdtm_ACCESS_USERSPACE+0x114/0x16c # [ 82.634435] LR is at __irq_work_queue_local+0x40/0x74 # [ 82.639756] pc : [] lr : [] psr: 600e0013 # [ 82.646292] sp : c59b9e38 ip : c59b9d40 fp : c59b9e64 # [ 82.651785] r10: 00000011 r9 : c1ad0148 r8 : c15ebcc8 # [ 82.657279] r7 : c59b9f60 r6 : 00000051 r5 : c59b8000 r4 : b6f88000 # [ 82.664074] r3 : ab969d9a r2 : ab969d9a r1 : ef7965e0 r0 : 00000026 # [ 82.670871] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 82.678275] Control: 10c5387d Table: 1651004a DAC: 00000051 # [ 82.684291] Process cat (pid: 2214, stack limit = 0xda2062a3) # [ 82.690307] Stack: (0xc59b9e38 to 0xc59ba000) # [ 82.694936] 9e20: 00000022 00000000 # [ 82.703385] 9e40: 00000000 ab969d9a c59b9e6c 00000026 c5da5000 00000011 c59b9e74 c59b9e68 # [ 82.711834] 9e60: c0c547ac c0c5568c c59b9e9c c59b9e78 c0c54cac c0c5478c c0c54b8c c5ad83c0 # [ 82.720285] 9e80: b6e42000 00000011 c5360b40 c59b9f60 c59b9ec4 c59b9ea0 c07e05cc c0c54b98 # [ 82.728734] 9ea0: 00000000 c5ad83c0 b6e42000 c2815800 c59b9f60 c07e0568 c59b9f5c c59b9ec8 # [ 82.737184] 9ec0: c059ac18 c07e0574 00000001 00000000 c059b1c4 c139fd58 c059b1c4 c59b8000 # [ 82.745634] 9ee0: b6e42000 00020000 00000004 00000011 0001ffef c59b9ee0 00000001 b6e41000 # [ 82.754081] 9f00: c4770640 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 82.762531] 9f20: 00000000 00000000 c139fd58 ab969d9a c205e4c0 c5ad83c0 c5ad83c0 c59b8000 # [ 82.770978] 9f40: b6e42000 00000000 00000000 00000004 c59b9f94 c59b9f60 c059b1c4 c059ab18 # [ 82.779427] 9f60: 00000000 00000000 c59b9fac ab969d9a 00000011 00000011 b6f89e00 00000004 # [ 82.787876] 9f80: c03002e4 c59b8000 c59b9fa4 c59b9f98 c059b254 c059b15c 00000000 c59b9fa8 # [ 82.796325] 9fa0: c03000c0 c059b248 00000011 00000011 00000001 b6e42000 00000011 00000000 # [ 82.804775] 9fc0: 00000011 00000011 b6f89e00 00000004 00000001 00000000 00020000 be88fac4 # [ 82.813224] 9fe0: 00000004 be88f7f8 b6ef3d8f b6e7a7e6 800e0030 00000001 00000000 00000000 # [ 82.821667] Backtrace: # [ 82.824399] [] (lkdtm_ACCESS_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 82.833369] r6:00000011 r5:c5da5000 r4:00000026 # [ 82.838262] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 82.846546] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 82.854735] r9:c59b9f60 r8:c5360b40 r7:00000011 r6:b6e42000 r5:c5ad83c0 r4:c0c54b8c # [ 82.862758] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 82.870861] r9:c07e0568 r8:c59b9f60 r7:c2815800 r6:b6e42000 r5:c5ad83c0 r4:00000000 # [ 82.878877] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 82.886285] r10:00000004 r9:00000000 r8:00000000 r7:b6e42000 r6:c59b8000 r5:c5ad83c0 # [ 82.894382] r4:c5ad83c0 # [ 82.897190] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 82.904598] r9:c59b8000 r8:c03002e4 r7:00000004 r6:b6f89e00 r5:00000011 r4:00000011 # [ 82.912617] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 82.920454] Exception stack(0xc59b9fa8 to 0xc59b9ff0) # [ 82.925777] 9fa0: 00000011 00000011 00000001 b6e42000 00000011 00000000 # [ 82.934228] 9fc0: 00000011 00000011 b6f89e00 00000004 00000001 00000000 00020000 be88fac4 # [ 82.942675] 9fe0: 00000004 be88f7f8 b6ef3d8f b6e7a7e6 # [ 82.948002] Code: e1a01004 e301006c e34c01ad eb1ca8b8 (e5943000) # [ 82.954370] ---[ end trace 184820ef97b03c2a ]--- # ACCESS_USERSPACE: missing 'call trace:': [FAIL] not ok 37 selftests: lkdtm: ACCESS_USERSPACE.sh # exit=1 # selftests: lkdtm: ACCESS_NULL.sh <6>[ 83.528393] lkdtm: Performing direct entry ACCESS_NULL <6>[ 83.533847] lkdtm: attempting bad read at 00000000 <1>[ 83.539011] 8<--- cut here --- <1>[ 83.542597] Unable to handle kernel NULL pointer dereference at virtual address 00000000 <1>[ 83.551073] pgd = 334d4afc <1>[ 83.554060] [00000000] *pgd=00000000 <0>[ 83.557967] Internal error: Oops: 5 [#11] SMP ARM <4>[ 83.562943] 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 flexcan can_dev parallel_display imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3 <4>[ 83.592280] CPU: 0 PID: 2289 Comm: cat Tainted: G D W 5.10.182-cip34 #1 <4>[ 83.600294] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 83.607106] PC is at lkdtm_ACCESS_NULL+0x28/0x68 <4>[ 83.612008] LR is at __irq_work_queue_local+0x40/0x74 <4>[ 83.617329] pc : [] lr : [] psr: 600e0013 <4>[ 83.623864] sp : c4773e50 ip : c4773d58 fp : c4773e64 <4>[ 83.629356] r10: 0000000c r9 : c1ad015c r8 : c15ebcc8 <4>[ 83.634849] r7 : c4773f60 r6 : 0000000c r5 : c6418000 r4 : 00000000 <4>[ 83.641644] r3 : 32872935 r2 : 32872935 r1 : ef7815e0 r0 : 00000026 <4>[ 83.648441] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 83.655844] Control: 10c5387d Table: 1651804a DAC: 00000051 <0>[ 83.661860] Process cat (pid: 2289, stack limit = 0x12b859fb) <0>[ 83.667875] Stack: (0xc4773e50 to 0xc4774000) <0>[ 83.672503] 3e40: 00000027 c6418000 c4773e74 c4773e68 <0>[ 83.680952] 3e60: c0c547ac c138aabc c4773e9c c4773e78 c0c54cac c0c5478c c0c54b8c c64e2500 <0>[ 83.689401] 3e80: b6eae000 0000000c c5360b40 c4773f60 c4773ec4 c4773ea0 c07e05cc c0c54b98 <0>[ 83.697851] 3ea0: 00000000 c64e2500 b6eae000 c2815800 c4773f60 c07e0568 c4773f5c c4773ec8 <0>[ 83.706299] 3ec0: c059ac18 c07e0574 00000001 00000000 c059b1c4 c139fd58 c059b1c4 c4772000 <0>[ 83.714747] 3ee0: b6eae000 00020000 00000004 0000000c 0001fff4 c4773ee0 00000001 b6ead000 <0>[ 83.723197] 3f00: c5e5e8c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 83.731645] 3f20: 00000000 00000000 c139fd58 32872935 c205e4c0 c64e2500 c64e2500 c4772000 <0>[ 83.740095] 3f40: b6eae000 00000000 00000000 00000004 c4773f94 c4773f60 c059b1c4 c059ab18 <0>[ 83.748546] 3f60: 00000000 00000000 c4773fac 32872935 0000000c 0000000c b6ff5e00 00000004 <0>[ 83.756995] 3f80: c03002e4 c4772000 c4773fa4 c4773f98 c059b254 c059b15c 00000000 c4773fa8 <0>[ 83.765443] 3fa0: c03000c0 c059b248 0000000c 0000000c 00000001 b6eae000 0000000c 00000000 <0>[ 83.773894] 3fc0: 0000000c 0000000c b6ff5e00 00000004 00000001 00000000 00020000 bee07ac4 <0>[ 83.782343] 3fe0: 00000004 bee077f8 b6f5fd8f b6ee67e6 800e0030 00000001 00000000 00000000 <0>[ 83.790786] Backtrace: <0>[ 83.793522] [] (lkdtm_ACCESS_NULL) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 83.802056] r5:c6418000 r4:00000027 <0>[ 83.805907] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 83.814191] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 83.822384] r9:c4773f60 r8:c5360b40 r7:0000000c r6:b6eae000 r5:c64e2500 r4:c0c54b8c <0>[ 83.830406] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 83.838510] r9:c07e0568 r8:c4773f60 r7:c2815800 r6:b6eae000 r5:c64e2500 r4:00000000 <0>[ 83.846527] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 83.853936] r10:00000004 r9:00000000 r8:00000000 r7:b6eae000 r6:c4772000 r5:c64e2500 <0>[ 83.862031] r4:c64e2500 <0>[ 83.864838] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 83.872244] r9:c4772000 r8:c03002e4 r7:00000004 r6:b6ff5e00 r5:0000000c r4:0000000c <0>[ 83.880263] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 83.888099] Exception stack(0xc4773fa8 to 0xc4773ff0) <0>[ 83.893422] 3fa0: 0000000c 0000000c 00000001 b6eae000 0000000c 00000000 <0>[ 83.901870] 3fc0: 0000000c 0000000c b6ff5e00 00000004 00000001 00000000 00020000 bee07ac4 <0>[ 83.910317] 3fe0: 00000004 bee077f8 b6f5fd8f b6ee67e6 <0>[ 83.915640] Code: e301006c e34c01ad e1a01004 ebffd3e7 (e5945000) <4>[ 83.922050] ---[ end trace 184820ef97b03c2b ]--- # Segmentation fault # [ 83.528393] lkdtm: Performing direct entry ACCESS_NULL # [ 83.533847] lkdtm: attempting bad read at 00000000 # [ 83.539011] 8<--- cut here --- # [ 83.542597] Unable to handle kernel NULL pointer dereference at virtual address 00000000 # [ 83.551073] pgd = 334d4afc # [ 83.554060] [00000000] *pgd=00000000 # [ 83.557967] Internal error: Oops: 5 [#11] SMP ARM # [ 83.562943] 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 flexcan can_dev parallel_display imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3 # [ 83.592280] CPU: 0 PID: 2289 Comm: cat Tainted: G D W 5.10.182-cip34 #1 # [ 83.600294] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 83.607106] PC is at lkdtm_ACCESS_NULL+0x28/0x68 # [ 83.612008] LR is at __irq_work_queue_local+0x40/0x74 # [ 83.617329] pc : [] lr : [] psr: 600e0013 # [ 83.623864] sp : c4773e50 ip : c4773d58 fp : c4773e64 # [ 83.629356] r10: 0000000c r9 : c1ad015c r8 : c15ebcc8 # [ 83.634849] r7 : c4773f60 r6 : 0000000c r5 : c6418000 r4 : 00000000 # [ 83.641644] r3 : 32872935 r2 : 32872935 r1 : ef7815e0 r0 : 00000026 # [ 83.648441] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 83.655844] Control: 10c5387d Table: 1651804a DAC: 00000051 # [ 83.661860] Process cat (pid: 2289, stack limit = 0x12b859fb) # [ 83.667875] Stack: (0xc4773e50 to 0xc4774000) # [ 83.672503] 3e40: 00000027 c6418000 c4773e74 c4773e68 # [ 83.680952] 3e60: c0c547ac c138aabc c4773e9c c4773e78 c0c54cac c0c5478c c0c54b8c c64e2500 # [ 83.689401] 3e80: b6eae000 0000000c c5360b40 c4773f60 c4773ec4 c4773ea0 c07e05cc c0c54b98 # [ 83.697851] 3ea0: 00000000 c64e2500 b6eae000 c2815800 c4773f60 c07e0568 c4773f5c c4773ec8 # [ 83.706299] 3ec0: c059ac18 c07e0574 00000001 00000000 c059b1c4 c139fd58 c059b1c4 c4772000 # [ 83.714747] 3ee0: b6eae000 00020000 00000004 0000000c 0001fff4 c4773ee0 00000001 b6ead000 # [ 83.723197] 3f00: c5e5e8c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 83.731645] 3f20: 00000000 00000000 c139fd58 32872935 c205e4c0 c64e2500 c64e2500 c4772000 # [ 83.740095] 3f40: b6eae000 00000000 00000000 00000004 c4773f94 c4773f60 c059b1c4 c059ab18 # [ 83.748546] 3f60: 00000000 00000000 c4773fac 32872935 0000000c 0000000c b6ff5e00 00000004 # [ 83.756995] 3f80: c03002e4 c4772000 c4773fa4 c4773f98 c059b254 c059b15c 00000000 c4773fa8 # [ 83.765443] 3fa0: c03000c0 c059b248 0000000c 0000000c 00000001 b6eae000 0000000c 00000000 # [ 83.773894] 3fc0: 0000000c 0000000c b6ff5e00 00000004 00000001 00000000 00020000 bee07ac4 # [ 83.782343] 3fe0: 00000004 bee077f8 b6f5fd8f b6ee67e6 800e0030 00000001 00000000 00000000 # [ 83.790786] Backtrace: # [ 83.793522] [] (lkdtm_ACCESS_NULL) from [] (lkdtm_do_action+0x2c/0x4c) # [ 83.802056] r5:c6418000 r4:00000027 # [ 83.805907] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 83.814191] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 83.822384] r9:c4773f60 r8:c5360b40 r7:0000000c r6:b6eae000 r5:c64e2500 r4:c0c54b8c # [ 83.830406] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 83.838510] r9:c07e0568 r8:c4773f60 r7:c2815800 r6:b6eae000 r5:c64e2500 r4:00000000 # [ 83.846527] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 83.853936] r10:00000004 r9:00000000 r8:00000000 r7:b6eae000 r6:c4772000 r5:c64e2500 # [ 83.862031] r4:c64e2500 # [ 83.864838] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 83.872244] r9:c4772000 r8:c03002e4 r7:00000004 r6:b6ff5e00 r5:0000000c r4:0000000c # [ 83.880263] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 83.888099] Exception stack(0xc4773fa8 to 0xc4773ff0) # [ 83.893422] 3fa0: 0000000c 0000000c 00000001 b6eae000 0000000c 00000000 # [ 83.901870] 3fc0: 0000000c 0000000c b6ff5e00 00000004 00000001 00000000 00020000 bee07ac4 # [ 83.910317] 3fe0: 00000004 bee077f8 b6f5fd8f b6ee67e6 # [ 83.915640] Code: e301006c e34c01ad e1a01004 ebffd3e7 (e5945000) # [ 83.922050] ---[ end trace 184820ef97b03c2b ]--- # ACCESS_NULL: missing 'call trace:': [FAIL] not ok 38 selftests: lkdtm: ACCESS_NULL.sh # exit=1 # selftests: lkdtm: WRITE_RO.sh <6>[ 84.468490] lkdtm: Performing direct entry WRITE_RO <6>[ 84.474608] lkdtm: attempting bad rodata write at c15ebf60 <1>[ 84.480464] 8<--- cut here --- <1>[ 84.483798] Unable to handle kernel paging request at virtual address c15ebf60 <1>[ 84.491294] pgd = 5b6c82ed <1>[ 84.494271] [c15ebf60] *pgd=1141941e(bad) <0>[ 84.498572] Internal error: Oops: 80d [#12] SMP ARM <4>[ 84.503720] 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 flexcan can_dev parallel_display imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3 <4>[ 84.533053] CPU: 2 PID: 2363 Comm: cat Tainted: G D W 5.10.182-cip34 #1 <4>[ 84.541065] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 84.547879] PC is at lkdtm_WRITE_RO+0x44/0x50 <4>[ 84.552518] LR is at __irq_work_queue_local+0x40/0x74 <4>[ 84.557839] pc : [] lr : [] psr: 600e0013 <4>[ 84.564375] sp : c6109e50 ip : c6109d58 fp : c6109e64 <4>[ 84.569868] r10: 00000009 r9 : c1ad0168 r8 : c15ebcc8 <4>[ 84.575361] r7 : c6109f60 r6 : 00000009 r5 : c5c1b000 r4 : c15ebf60 <4>[ 84.582157] r3 : 0198b861 r2 : aa55aa55 r1 : ef7ab5e0 r0 : c1ad0f6c <4>[ 84.588954] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 84.596358] Control: 10c5387d Table: 1581004a DAC: 00000051 <0>[ 84.602372] Process cat (pid: 2363, stack limit = 0x0ee4558d) <0>[ 84.608388] Stack: (0xc6109e50 to 0xc610a000) <0>[ 84.613017] 9e40: 00000028 c5c1b000 c6109e74 c6109e68 <0>[ 84.621468] 9e60: c0c547ac c138a8bc c6109e9c c6109e78 c0c54cac c0c5478c c0c54b8c c5a9f2c0 <0>[ 84.629918] 9e80: b6ead000 00000009 c5360b40 c6109f60 c6109ec4 c6109ea0 c07e05cc c0c54b98 <0>[ 84.638366] 9ea0: 00000000 c5a9f2c0 b6ead000 c2815800 c6109f60 c07e0568 c6109f5c c6109ec8 <0>[ 84.646815] 9ec0: c059ac18 c07e0574 00000001 00000000 c059b1c4 c139fd58 c059b1c4 c6108000 <0>[ 84.655264] 9ee0: b6ead000 00020000 00000004 00000009 0001fff7 c6109ee0 00000001 b6eac000 <0>[ 84.663712] 9f00: c64e3900 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 84.672162] 9f20: 00000000 00000000 c139fd58 9fa58e0d c205e4c0 c5a9f2c0 c5a9f2c0 c6108000 <0>[ 84.680610] 9f40: b6ead000 00000000 00000000 00000004 c6109f94 c6109f60 c059b1c4 c059ab18 <0>[ 84.689060] 9f60: 00000000 00000000 c6109fac 9fa58e0d 00000009 00000009 b6ff4e00 00000004 <0>[ 84.697510] 9f80: c03002e4 c6108000 c6109fa4 c6109f98 c059b254 c059b15c 00000000 c6109fa8 <0>[ 84.705958] 9fa0: c03000c0 c059b248 00000009 00000009 00000001 b6ead000 00000009 00000000 <0>[ 84.714409] 9fc0: 00000009 00000009 b6ff4e00 00000004 00000001 00000000 00020000 befaaac4 <0>[ 84.722857] 9fe0: 00000004 befaa7f8 b6f5ed8f b6ee57e6 800e0030 00000001 00000000 00000000 <0>[ 84.731301] Backtrace: <0>[ 84.734036] [] (lkdtm_WRITE_RO) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 84.742313] r5:c5c1b000 r4:00000028 <0>[ 84.746163] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 84.754445] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 84.762635] r9:c6109f60 r8:c5360b40 r7:00000009 r6:b6ead000 r5:c5a9f2c0 r4:c0c54b8c <0>[ 84.770659] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 84.778762] r9:c07e0568 r8:c6109f60 r7:c2815800 r6:b6ead000 r5:c5a9f2c0 r4:00000000 <0>[ 84.786780] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 84.794187] r10:00000004 r9:00000000 r8:00000000 r7:b6ead000 r6:c6108000 r5:c5a9f2c0 <0>[ 84.802282] r4:c5a9f2c0 <0>[ 84.805089] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 84.812495] r9:c6108000 r8:c03002e4 r7:00000004 r6:b6ff4e00 r5:00000009 r4:00000009 <0>[ 84.820515] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 84.828351] Exception stack(0xc6109fa8 to 0xc6109ff0) <0>[ 84.833673] 9fa0: 00000009 00000009 00000001 b6ead000 00000009 00000000 <0>[ 84.842121] 9fc0: 00000009 00000009 b6ff4e00 00000004 00000001 00000000 00020000 befaaac4 <0>[ 84.850566] 9fe0: 00000004 befaa7f8 b6f5ed8f b6ee57e6 <0>[ 84.855890] Code: e34a3bcd e3000f6c e34c01ad e0233002 (e5843000) <4>[ 84.862258] ---[ end trace 184820ef97b03c2c ]--- # Segmentation fault # [ 84.468490] lkdtm: Performing direct entry WRITE_RO # [ 84.474608] lkdtm: attempting bad rodata write at c15ebf60 # [ 84.480464] 8<--- cut here --- # [ 84.483798] Unable to handle kernel paging request at virtual address c15ebf60 # [ 84.491294] pgd = 5b6c82ed # [ 84.494271] [c15ebf60] *pgd=1141941e(bad) # [ 84.498572] Internal error: Oops: 80d [#12] SMP ARM # [ 84.503720] 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 flexcan can_dev parallel_display imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3 # [ 84.533053] CPU: 2 PID: 2363 Comm: cat Tainted: G D W 5.10.182-cip34 #1 # [ 84.541065] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 84.547879] PC is at lkdtm_WRITE_RO+0x44/0x50 # [ 84.552518] LR is at __irq_work_queue_local+0x40/0x74 # [ 84.557839] pc : [] lr : [] psr: 600e0013 # [ 84.564375] sp : c6109e50 ip : c6109d58 fp : c6109e64 # [ 84.569868] r10: 00000009 r9 : c1ad0168 r8 : c15ebcc8 # [ 84.575361] r7 : c6109f60 r6 : 00000009 r5 : c5c1b000 r4 : c15ebf60 # [ 84.582157] r3 : 0198b861 r2 : aa55aa55 r1 : ef7ab5e0 r0 : c1ad0f6c # [ 84.588954] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 84.596358] Control: 10c5387d Table: 1581004a DAC: 00000051 # [ 84.602372] Process cat (pid: 2363, stack limit = 0x0ee4558d) # [ 84.608388] Stack: (0xc6109e50 to 0xc610a000) # [ 84.613017] 9e40: 00000028 c5c1b000 c6109e74 c6109e68 # [ 84.621468] 9e60: c0c547ac c138a8bc c6109e9c c6109e78 c0c54cac c0c5478c c0c54b8c c5a9f2c0 # [ 84.629918] 9e80: b6ead000 00000009 c5360b40 c6109f60 c6109ec4 c6109ea0 c07e05cc c0c54b98 # [ 84.638366] 9ea0: 00000000 c5a9f2c0 b6ead000 c2815800 c6109f60 c07e0568 c6109f5c c6109ec8 # [ 84.646815] 9ec0: c059ac18 c07e0574 00000001 00000000 c059b1c4 c139fd58 c059b1c4 c6108000 # [ 84.655264] 9ee0: b6ead000 00020000 00000004 00000009 0001fff7 c6109ee0 00000001 b6eac000 # [ 84.663712] 9f00: c64e3900 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 84.672162] 9f20: 00000000 00000000 c139fd58 9fa58e0d c205e4c0 c5a9f2c0 c5a9f2c0 c6108000 # [ 84.680610] 9f40: b6ead000 00000000 00000000 00000004 c6109f94 c6109f60 c059b1c4 c059ab18 # [ 84.689060] 9f60: 00000000 00000000 c6109fac 9fa58e0d 00000009 00000009 b6ff4e00 00000004 # [ 84.697510] 9f80: c03002e4 c6108000 c6109fa4 c6109f98 c059b254 c059b15c 00000000 c6109fa8 # [ 84.705958] 9fa0: c03000c0 c059b248 00000009 00000009 00000001 b6ead000 00000009 00000000 # [ 84.714409] 9fc0: 00000009 00000009 b6ff4e00 00000004 00000001 00000000 00020000 befaaac4 # [ 84.722857] 9fe0: 00000004 befaa7f8 b6f5ed8f b6ee57e6 800e0030 00000001 00000000 00000000 # [ 84.731301] Backtrace: # [ 84.734036] [] (lkdtm_WRITE_RO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 84.742313] r5:c5c1b000 r4:00000028 # [ 84.746163] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 84.754445] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 84.762635] r9:c6109f60 r8:c5360b40 r7:00000009 r6:b6ead000 r5:c5a9f2c0 r4:c0c54b8c # [ 84.770659] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 84.778762] r9:c07e0568 r8:c6109f60 r7:c2815800 r6:b6ead000 r5:c5a9f2c0 r4:00000000 # [ 84.786780] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 84.794187] r10:00000004 r9:00000000 r8:00000000 r7:b6ead000 r6:c6108000 r5:c5a9f2c0 # [ 84.802282] r4:c5a9f2c0 # [ 84.805089] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 84.812495] r9:c6108000 r8:c03002e4 r7:00000004 r6:b6ff4e00 r5:00000009 r4:00000009 # [ 84.820515] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 84.828351] Exception stack(0xc6109fa8 to 0xc6109ff0) # [ 84.833673] 9fa0: 00000009 00000009 00000001 b6ead000 00000009 00000000 # [ 84.842121] 9fc0: 00000009 00000009 b6ff4e00 00000004 00000001 00000000 00020000 befaaac4 # [ 84.850566] 9fe0: 00000004 befaa7f8 b6f5ed8f b6ee57e6 # [ 84.855890] Code: e34a3bcd e3000f6c e34c01ad e0233002 (e5843000) # [ 84.862258] ---[ end trace 184820ef97b03c2c ]--- # WRITE_RO: missing 'call trace:': [FAIL] not ok 39 selftests: lkdtm: WRITE_RO.sh # exit=1 # selftests: lkdtm: WRITE_RO_AFTER_INIT.sh <6>[ 85.393494] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT <6>[ 85.399687] lkdtm: attempting bad ro_after_init write at c1b81c60 <1>[ 85.406061] 8<--- cut here --- <1>[ 85.409386] Unable to handle kernel paging request at virtual address c1b81c60 <1>[ 85.416879] pgd = d4b2fe58 <1>[ 85.419855] [c1b81c60] *pgd=11a1941e(bad) <0>[ 85.424151] Internal error: Oops: 80d [#13] SMP ARM <4>[ 85.429298] 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 flexcan can_dev parallel_display imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3 <4>[ 85.458631] CPU: 0 PID: 2437 Comm: cat Tainted: G D W 5.10.182-cip34 #1 <4>[ 85.466643] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 85.473454] PC is at lkdtm_WRITE_RO_AFTER_INIT+0x64/0x70 <4>[ 85.479038] LR is at 0x0 <4>[ 85.481841] pc : [] lr : [<00000000>] psr: 600e0013 <4>[ 85.488377] sp : c60f5e50 ip : 00000027 fp : c60f5e64 <4>[ 85.493868] r10: 00000014 r9 : c1ad0174 r8 : c15ebcc8 <4>[ 85.499360] r7 : c60f5f60 r6 : 00000014 r5 : c6459000 r4 : c1b81c60 <4>[ 85.506155] r3 : fe67479e r2 : 55aa55aa r1 : ef7815e4 r0 : c1ad0f6c <4>[ 85.512952] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 85.520355] Control: 10c5387d Table: 166fc04a DAC: 00000051 <0>[ 85.526372] Process cat (pid: 2437, stack limit = 0x56f16264) <0>[ 85.532386] Stack: (0xc60f5e50 to 0xc60f6000) <0>[ 85.537016] 5e40: 00000029 c6459000 c60f5e74 c60f5e68 <0>[ 85.545467] 5e60: c0c547ac c138a90c c60f5e9c c60f5e78 c0c54cac c0c5478c c0c54b8c c4766f00 <0>[ 85.553918] 5e80: b6dc4000 00000014 c5360b40 c60f5f60 c60f5ec4 c60f5ea0 c07e05cc c0c54b98 <0>[ 85.562367] 5ea0: 00000000 c4766f00 b6dc4000 c2815800 c60f5f60 c07e0568 c60f5f5c c60f5ec8 <0>[ 85.570818] 5ec0: c059ac18 c07e0574 00000001 00000000 c059b1c4 c139fd58 c059b1c4 c60f4000 <0>[ 85.579268] 5ee0: b6dc4000 00020000 00000004 00000014 0001ffec c60f5ee0 00000001 b6dc3000 <0>[ 85.587717] 5f00: c59aac80 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 85.596165] 5f20: 00000000 00000000 c139fd58 44e3a8f2 c205e4c0 c4766f00 c4766f00 c60f4000 <0>[ 85.604614] 5f40: b6dc4000 00000000 00000000 00000004 c60f5f94 c60f5f60 c059b1c4 c059ab18 <0>[ 85.613062] 5f60: 00000000 00000000 c60f5fac 44e3a8f2 00000014 00000014 b6f0be00 00000004 <0>[ 85.621511] 5f80: c03002e4 c60f4000 c60f5fa4 c60f5f98 c059b254 c059b15c 00000000 c60f5fa8 <0>[ 85.629960] 5fa0: c03000c0 c059b248 00000014 00000014 00000001 b6dc4000 00000014 00000000 <0>[ 85.638407] 5fc0: 00000014 00000014 b6f0be00 00000004 00000001 00000000 00020000 bee7eac4 <0>[ 85.646855] 5fe0: 00000004 bee7e7f8 b6e75d8f b6dfc7e6 800e0030 00000001 00000000 00000000 <0>[ 85.655298] Backtrace: <0>[ 85.658033] [] (lkdtm_WRITE_RO_AFTER_INIT) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 85.667264] r5:c6459000 r4:00000029 <0>[ 85.671113] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 85.679396] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 85.687586] r9:c60f5f60 r8:c5360b40 r7:00000014 r6:b6dc4000 r5:c4766f00 r4:c0c54b8c <0>[ 85.695608] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 85.703710] r9:c07e0568 r8:c60f5f60 r7:c2815800 r6:b6dc4000 r5:c4766f00 r4:00000000 <0>[ 85.711727] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 85.719134] r10:00000004 r9:00000000 r8:00000000 r7:b6dc4000 r6:c60f4000 r5:c4766f00 <0>[ 85.727229] r4:c4766f00 <0>[ 85.730036] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 85.737442] r9:c60f4000 r8:c03002e4 r7:00000004 r6:b6f0be00 r5:00000014 r4:00000014 <0>[ 85.745460] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 85.753297] Exception stack(0xc60f5fa8 to 0xc60f5ff0) <0>[ 85.758619] 5fa0: 00000014 00000014 00000001 b6dc4000 00000014 00000000 <0>[ 85.767068] 5fc0: 00000014 00000014 b6f0be00 00000004 00000001 00000000 00020000 bee7eac4 <0>[ 85.775514] 5fe0: 00000004 bee7e7f8 b6e75d8f b6dfc7e6 <0>[ 85.780837] Code: e34a3bcd e3000f6c e34c01ad e0233002 (e5843000) <4>[ 85.787206] ---[ end trace 184820ef97b03c2d ]--- # Segmentation fault # [ 85.393494] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT # [ 85.399687] lkdtm: attempting bad ro_after_init write at c1b81c60 # [ 85.406061] 8<--- cut here --- # [ 85.409386] Unable to handle kernel paging request at virtual address c1b81c60 # [ 85.416879] pgd = d4b2fe58 # [ 85.419855] [c1b81c60] *pgd=11a1941e(bad) # [ 85.424151] Internal error: Oops: 80d [#13] SMP ARM # [ 85.429298] 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 flexcan can_dev parallel_display imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3 # [ 85.458631] CPU: 0 PID: 2437 Comm: cat Tainted: G D W 5.10.182-cip34 #1 # [ 85.466643] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 85.473454] PC is at lkdtm_WRITE_RO_AFTER_INIT+0x64/0x70 # [ 85.479038] LR is at 0x0 # [ 85.481841] pc : [] lr : [<00000000>] psr: 600e0013 # [ 85.488377] sp : c60f5e50 ip : 00000027 fp : c60f5e64 # [ 85.493868] r10: 00000014 r9 : c1ad0174 r8 : c15ebcc8 # [ 85.499360] r7 : c60f5f60 r6 : 00000014 r5 : c6459000 r4 : c1b81c60 # [ 85.506155] r3 : fe67479e r2 : 55aa55aa r1 : ef7815e4 r0 : c1ad0f6c # [ 85.512952] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 85.520355] Control: 10c5387d Table: 166fc04a DAC: 00000051 # [ 85.526372] Process cat (pid: 2437, stack limit = 0x56f16264) # [ 85.532386] Stack: (0xc60f5e50 to 0xc60f6000) # [ 85.537016] 5e40: 00000029 c6459000 c60f5e74 c60f5e68 # [ 85.545467] 5e60: c0c547ac c138a90c c60f5e9c c60f5e78 c0c54cac c0c5478c c0c54b8c c4766f00 # [ 85.553918] 5e80: b6dc4000 00000014 c5360b40 c60f5f60 c60f5ec4 c60f5ea0 c07e05cc c0c54b98 # [ 85.562367] 5ea0: 00000000 c4766f00 b6dc4000 c2815800 c60f5f60 c07e0568 c60f5f5c c60f5ec8 # [ 85.570818] 5ec0: c059ac18 c07e0574 00000001 00000000 c059b1c4 c139fd58 c059b1c4 c60f4000 # [ 85.579268] 5ee0: b6dc4000 00020000 00000004 00000014 0001ffec c60f5ee0 00000001 b6dc3000 # [ 85.587717] 5f00: c59aac80 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 85.596165] 5f20: 00000000 00000000 c139fd58 44e3a8f2 c205e4c0 c4766f00 c4766f00 c60f4000 # [ 85.604614] 5f40: b6dc4000 00000000 00000000 00000004 c60f5f94 c60f5f60 c059b1c4 c059ab18 # [ 85.613062] 5f60: 00000000 00000000 c60f5fac 44e3a8f2 00000014 00000014 b6f0be00 00000004 # [ 85.621511] 5f80: c03002e4 c60f4000 c60f5fa4 c60f5f98 c059b254 c059b15c 00000000 c60f5fa8 # [ 85.629960] 5fa0: c03000c0 c059b248 00000014 00000014 00000001 b6dc4000 00000014 00000000 # [ 85.638407] 5fc0: 00000014 00000014 b6f0be00 00000004 00000001 00000000 00020000 bee7eac4 # [ 85.646855] 5fe0: 00000004 bee7e7f8 b6e75d8f b6dfc7e6 800e0030 00000001 00000000 00000000 # [ 85.655298] Backtrace: # [ 85.658033] [] (lkdtm_WRITE_RO_AFTER_INIT) from [] (lkdtm_do_action+0x2c/0x4c) # [ 85.667264] r5:c6459000 r4:00000029 # [ 85.671113] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 85.679396] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 85.687586] r9:c60f5f60 r8:c5360b40 r7:00000014 r6:b6dc4000 r5:c4766f00 r4:c0c54b8c # [ 85.695608] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 85.703710] r9:c07e0568 r8:c60f5f60 r7:c2815800 r6:b6dc4000 r5:c4766f00 r4:00000000 # [ 85.711727] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 85.719134] r10:00000004 r9:00000000 r8:00000000 r7:b6dc4000 r6:c60f4000 r5:c4766f00 # [ 85.727229] r4:c4766f00 # [ 85.730036] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 85.737442] r9:c60f4000 r8:c03002e4 r7:00000004 r6:b6f0be00 r5:00000014 r4:00000014 # [ 85.745460] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 85.753297] Exception stack(0xc60f5fa8 to 0xc60f5ff0) # [ 85.758619] 5fa0: 00000014 00000014 00000001 b6dc4000 00000014 00000000 # [ 85.767068] 5fc0: 00000014 00000014 b6f0be00 00000004 00000001 00000000 00020000 bee7eac4 # [ 85.775514] 5fe0: 00000004 bee7e7f8 b6e75d8f b6dfc7e6 # [ 85.780837] Code: e34a3bcd e3000f6c e34c01ad e0233002 (e5843000) # [ 85.787206] ---[ end trace 184820ef97b03c2d ]--- # WRITE_RO_AFTER_INIT: missing 'call trace:': [FAIL] not ok 40 selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # exit=1 # selftests: lkdtm: WRITE_KERN.sh <6>[ 86.448449] lkdtm: Performing direct entry WRITE_KERN <6>[ 86.453790] lkdtm: attempting bad 7557820 byte write at c138a7d8 <1>[ 86.460138] 8<--- cut here --- <1>[ 86.463470] Unable to handle kernel paging request at virtual address c138a7d8 <1>[ 86.470966] pgd = 5d4d6457 <1>[ 86.473943] [c138a7d8] *pgd=1121940e(bad) <0>[ 86.478242] Internal error: Oops: 80d [#14] SMP ARM <4>[ 86.483390] 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 flexcan can_dev parallel_display imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3 <4>[ 86.512724] CPU: 0 PID: 2511 Comm: cat Tainted: G D W 5.10.182-cip34 #1 <4>[ 86.520736] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 86.527542] PC is at memcpy+0x50/0x330 <4>[ 86.531565] LR is at 0xe92dd830 <4>[ 86.534976] pc : [] lr : [] psr: 200e0013 <4>[ 86.541511] sp : c60fde2c ip : e1a0c00d fp : c60fde64 <4>[ 86.547003] r10: 0000000b r9 : c1ad0188 r8 : e89da800 <4>[ 86.552497] r7 : e8bd4000 r6 : e52de004 r5 : e24cb004 r4 : e92dd800 <4>[ 86.559293] r3 : e1a0c00d r2 : 0073521c r1 : c0c5553c r0 : c138a7d8 <4>[ 86.566092] Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 86.573496] Control: 10c5387d Table: 165b404a DAC: 00000051 <0>[ 86.579511] Process cat (pid: 2511, stack limit = 0xb1947ad8) <0>[ 86.585528] Stack: (0xc60fde2c to 0xc60fe000) <0>[ 86.590158] de20: c0c5551c 007352bc c60fdf60 c15ebcc8 c138a7d8 <0>[ 86.598609] de40: c138a7d8 c138a9bc 0000002a c643b000 0000000b c60fdf60 c60fde74 c60fde68 <0>[ 86.607058] de60: c0c547ac c138a97c c60fde9c c60fde78 c0c54cac c0c5478c c0c54b8c c4766c80 <0>[ 86.615508] de80: b6e19000 0000000b c5360b40 c60fdf60 c60fdec4 c60fdea0 c07e05cc c0c54b98 <0>[ 86.623956] dea0: 00000000 c4766c80 b6e19000 c2815800 c60fdf60 c07e0568 c60fdf5c c60fdec8 <0>[ 86.632406] dec0: c059ac18 c07e0574 00000001 00000000 c059b1c4 c04780e4 c059b1c4 c60fc000 <0>[ 86.640856] dee0: c030d968 ffffe000 c60fdf1c c60fdef8 c04780e4 c030f1e0 ffffe000 c03002e4 <0>[ 86.649305] df00: c60fdf34 c60fdf10 c030e110 c030f1b0 c60fc000 00000000 ffffe000 c205e4c0 <0>[ 86.657754] df20: 00000000 c0301210 c60fdf6c acb0bcbc c030f238 c4766c80 c4766c80 c60fc000 <0>[ 86.666203] df40: b6e19000 00000000 00000000 00000004 c60fdf94 c60fdf60 c059b1c4 c059ab18 <0>[ 86.674654] df60: 00000000 00000000 c0477d68 acb0bcbc 0000000b 0000000b b6f60e00 00000004 <0>[ 86.683103] df80: c03002e4 c60fc000 c60fdfa4 c60fdf98 c059b254 c059b15c 00000000 c60fdfa8 <0>[ 86.691551] dfa0: c03000c0 c059b248 0000000b 0000000b 00000001 b6e19000 0000000b 00000000 <0>[ 86.700000] dfc0: 0000000b 0000000b b6f60e00 00000004 00000001 00000000 00020000 bed38ac4 <0>[ 86.708448] dfe0: 00000004 bed387f8 b6ecad8f b6e517e6 800e0030 00000001 00000000 00000000 <0>[ 86.716892] Backtrace: <0>[ 86.719634] [] (lkdtm_WRITE_KERN) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 86.728084] r7:c60fdf60 r6:0000000b r5:c643b000 r4:0000002a <0>[ 86.734017] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 86.742302] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 86.750491] r9:c60fdf60 r8:c5360b40 r7:0000000b r6:b6e19000 r5:c4766c80 r4:c0c54b8c <0>[ 86.758515] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 86.766616] r9:c07e0568 r8:c60fdf60 r7:c2815800 r6:b6e19000 r5:c4766c80 r4:00000000 <0>[ 86.774634] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 86.782041] r10:00000004 r9:00000000 r8:00000000 r7:b6e19000 r6:c60fc000 r5:c4766c80 <0>[ 86.790138] r4:c4766c80 <0>[ 86.792946] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 86.800354] r9:c60fc000 r8:c03002e4 r7:00000004 r6:b6f60e00 r5:0000000b r4:0000000b <0>[ 86.808373] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 86.816208] Exception stack(0xc60fdfa8 to 0xc60fdff0) <0>[ 86.821531] dfa0: 0000000b 0000000b 00000001 b6e19000 0000000b 00000000 <0>[ 86.829980] dfc0: 0000000b 0000000b b6f60e00 00000004 00000001 00000000 00020000 bed38ac4 <0>[ 86.838425] dfe0: 00000004 bed387f8 b6ecad8f b6e517e6 <0>[ 86.843750] Code: f5d1f05c f5d1f07c e8b151f8 e2522020 (e8a051f8) <4>[ 86.850119] ---[ end trace 184820ef97b03c2e ]--- # Segmentation fault # [ 86.448449] lkdtm: Performing direct entry WRITE_KERN # [ 86.453790] lkdtm: attempting bad 7557820 byte write at c138a7d8 # [ 86.460138] 8<--- cut here --- # [ 86.463470] Unable to handle kernel paging request at virtual address c138a7d8 # [ 86.470966] pgd = 5d4d6457 # [ 86.473943] [c138a7d8] *pgd=1121940e(bad) # [ 86.478242] Internal error: Oops: 80d [#14] SMP ARM # [ 86.483390] 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 flexcan can_dev parallel_display imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3 # [ 86.512724] CPU: 0 PID: 2511 Comm: cat Tainted: G D W 5.10.182-cip34 #1 # [ 86.520736] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 86.527542] PC is at memcpy+0x50/0x330 # [ 86.531565] LR is at 0xe92dd830 # [ 86.534976] pc : [] lr : [] psr: 200e0013 # [ 86.541511] sp : c60fde2c ip : e1a0c00d fp : c60fde64 # [ 86.547003] r10: 0000000b r9 : c1ad0188 r8 : e89da800 # [ 86.552497] r7 : e8bd4000 r6 : e52de004 r5 : e24cb004 r4 : e92dd800 # [ 86.559293] r3 : e1a0c00d r2 : 0073521c r1 : c0c5553c r0 : c138a7d8 # [ 86.566092] Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 86.573496] Control: 10c5387d Table: 165b404a DAC: 00000051 # [ 86.579511] Process cat (pid: 2511, stack limit = 0xb1947ad8) # [ 86.585528] Stack: (0xc60fde2c to 0xc60fe000) # [ 86.590158] de20: c0c5551c 007352bc c60fdf60 c15ebcc8 c138a7d8 # [ 86.598609] de40: c138a7d8 c138a9bc 0000002a c643b000 0000000b c60fdf60 c60fde74 c60fde68 # [ 86.607058] de60: c0c547ac c138a97c c60fde9c c60fde78 c0c54cac c0c5478c c0c54b8c c4766c80 # [ 86.615508] de80: b6e19000 0000000b c5360b40 c60fdf60 c60fdec4 c60fdea0 c07e05cc c0c54b98 # [ 86.623956] dea0: 00000000 c4766c80 b6e19000 c2815800 c60fdf60 c07e0568 c60fdf5c c60fdec8 # [ 86.632406] dec0: c059ac18 c07e0574 00000001 00000000 c059b1c4 c04780e4 c059b1c4 c60fc000 # [ 86.640856] dee0: c030d968 ffffe000 c60fdf1c c60fdef8 c04780e4 c030f1e0 ffffe000 c03002e4 # [ 86.649305] df00: c60fdf34 c60fdf10 c030e110 c030f1b0 c60fc000 00000000 ffffe000 c205e4c0 # [ 86.657754] df20: 00000000 c0301210 c60fdf6c acb0bcbc c030f238 c4766c80 c4766c80 c60fc000 # [ 86.666203] df40: b6e19000 00000000 00000000 00000004 c60fdf94 c60fdf60 c059b1c4 c059ab18 # [ 86.674654] df60: 00000000 00000000 c0477d68 acb0bcbc 0000000b 0000000b b6f60e00 00000004 # [ 86.683103] df80: c03002e4 c60fc000 c60fdfa4 c60fdf98 c059b254 c059b15c 00000000 c60fdfa8 # [ 86.691551] dfa0: c03000c0 c059b248 0000000b 0000000b 00000001 b6e19000 0000000b 00000000 # [ 86.700000] dfc0: 0000000b 0000000b b6f60e00 00000004 00000001 00000000 00020000 bed38ac4 # [ 86.708448] dfe0: 00000004 bed387f8 b6ecad8f b6e517e6 800e0030 00000001 00000000 00000000 # [ 86.716892] Backtrace: # [ 86.719634] [] (lkdtm_WRITE_KERN) from [] (lkdtm_do_action+0x2c/0x4c) # [ 86.728084] r7:c60fdf60 r6:0000000b r5:c643b000 r4:0000002a # [ 86.734017] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 86.742302] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 86.750491] r9:c60fdf60 r8:c5360b40 r7:0000000b r6:b6e19000 r5:c4766c80 r4:c0c54b8c # [ 86.758515] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 86.766616] r9:c07e0568 r8:c60fdf60 r7:c2815800 r6:b6e19000 r5:c4766c80 r4:00000000 # [ 86.774634] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 86.782041] r10:00000004 r9:00000000 r8:00000000 r7:b6e19000 r6:c60fc000 r5:c4766c80 # [ 86.790138] r4:c4766c80 # [ 86.792946] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 86.800354] r9:c60fc000 r8:c03002e4 r7:00000004 r6:b6f60e00 r5:0000000b r4:0000000b # [ 86.808373] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 86.816208] Exception stack(0xc60fdfa8 to 0xc60fdff0) # [ 86.821531] dfa0: 0000000b 0000000b 00000001 b6e19000 0000000b 00000000 # [ 86.829980] dfc0: 0000000b 0000000b b6f60e00 00000004 00000001 00000000 00020000 bed38ac4 # [ 86.838425] dfe0: 00000004 bed387f8 b6ecad8f b6e517e6 # [ 86.843750] Code: f5d1f05c f5d1f07c e8b151f8 e2522020 (e8a051f8) # [ 86.850119] ---[ end trace 184820ef97b03c2e ]--- # WRITE_KERN: missing 'call trace:': [FAIL] not ok 41 selftests: lkdtm: WRITE_KERN.sh # exit=1 # selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh <6>[ 87.466656] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW <6>[ 87.473083] lkdtm: attempting good refcount_inc() without overflow <6>[ 87.479629] lkdtm: attempting bad refcount_inc() overflow <4>[ 87.485306] ------------[ cut here ]------------ <4>[ 87.490251] WARNING: CPU: 3 PID: 2586 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 <4>[ 87.499003] refcount_t: saturated; leaking memory. <4>[ 87.504069] 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 flexcan can_dev parallel_display imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3 <4>[ 87.533577] CPU: 3 PID: 2586 Comm: cat Tainted: G D W 5.10.182-cip34 #1 <4>[ 87.541592] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 87.548388] Backtrace: <4>[ 87.551129] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 87.558971] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fdf8 <4>[ 87.564908] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 87.572499] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 87.579734] r9:00000009 r8:c0873b88 r7:00000016 r6:00000009 r5:c0873b88 r4:c1a2419c <4>[ 87.587752] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 87.595505] r7:00000016 r6:c1a2419c r5:c1a24174 r4:c5cfc000 <4>[ 87.601443] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) <4>[ 87.610672] r9:c1ad0194 r8:c15ebcc8 r7:c5cfdf60 r6:00000016 r5:c63b6000 r4:c5cfc000 <4>[ 87.618692] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) <4>[ 87.628627] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_OVERFLOW+0x78/0x9c) <4>[ 87.638988] [] (lkdtm_REFCOUNT_INC_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 87.648387] r4:0000002b <4>[ 87.651192] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 87.659475] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 87.667663] r9:c5cfdf60 r8:c5360b40 r7:00000016 r6:b6e22000 r5:c5a9eb40 r4:c0c54b8c <4>[ 87.675684] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 87.683785] r9:c07e0568 r8:c5cfdf60 r7:c2815800 r6:b6e22000 r5:c5a9eb40 r4:00000000 <4>[ 87.691800] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 87.699207] r10:00000004 r9:00000000 r8:00000000 r7:b6e22000 r6:c5cfc000 r5:c5a9eb40 <4>[ 87.707304] r4:c5a9eb40 <4>[ 87.710110] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 87.717519] r9:c5cfc000 r8:c03002e4 r7:00000004 r6:b6f69e00 r5:00000016 r4:00000016 <4>[ 87.725538] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 87.733376] Exception stack(0xc5cfdfa8 to 0xc5cfdff0) <4>[ 87.738700] dfa0: 00000016 00000016 00000001 b6e22000 00000016 00000000 <4>[ 87.747150] dfc0: 00000016 00000016 b6f69e00 00000004 00000001 00000000 00020000 bead0ac4 <4>[ 87.755595] dfe0: 00000004 bead07f8 b6ed3d8f b6e5a7e6 <4>[ 87.760983] irq event stamp: 0 <4>[ 87.764322] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 87.770210] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 <4>[ 87.778029] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 <4>[ 87.785805] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 87.791717] ---[ end trace 184820ef97b03c2f ]--- <6>[ 87.796625] lkdtm: Overflow detected: saturated # [ 87.466656] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW # [ 87.473083] lkdtm: attempting good refcount_inc() without overflow # [ 87.479629] lkdtm: attempting bad refcount_inc() overflow # [ 87.485306] ------------[ cut here ]------------ # [ 87.490251] WARNING: CPU: 3 PID: 2586 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 87.499003] refcount_t: saturated; leaking memory. # [ 87.504069] 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 flexcan can_dev parallel_display imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3 # [ 87.533577] CPU: 3 PID: 2586 Comm: cat Tainted: G D W 5.10.182-cip34 #1 # [ 87.541592] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 87.548388] Backtrace: # [ 87.551129] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 87.558971] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fdf8 # [ 87.564908] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 87.572499] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 87.579734] r9:00000009 r8:c0873b88 r7:00000016 r6:00000009 r5:c0873b88 r4:c1a2419c # [ 87.587752] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 87.595505] r7:00000016 r6:c1a2419c r5:c1a24174 r4:c5cfc000 # [ 87.601443] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 87.610672] r9:c1ad0194 r8:c15ebcc8 r7:c5cfdf60 r6:00000016 r5:c63b6000 r4:c5cfc000 # [ 87.618692] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 87.628627] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_OVERFLOW+0x78/0x9c) # [ 87.638988] [] (lkdtm_REFCOUNT_INC_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 87.648387] r4:0000002b # [ 87.651192] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 87.659475] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 87.667663] r9:c5cfdf60 r8:c5360b40 r7:00000016 r6:b6e22000 r5:c5a9eb40 r4:c0c54b8c # [ 87.675684] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 87.683785] r9:c07e0568 r8:c5cfdf60 r7:c2815800 r6:b6e22000 r5:c5a9eb40 r4:00000000 # [ 87.691800] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 87.699207] r10:00000004 r9:00000000 r8:00000000 r7:b6e22000 r6:c5cfc000 r5:c5a9eb40 # [ 87.707304] r4:c5a9eb40 # [ 87.710110] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 87.717519] r9:c5cfc000 r8:c03002e4 r7:00000004 r6:b6f69e00 r5:00000016 r4:00000016 # [ 87.725538] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 87.733376] Exception stack(0xc5cfdfa8 to 0xc5cfdff0) # [ 87.738700] dfa0: 00000016 00000016 00000001 b6e22000 00000016 00000000 # [ 87.747150] dfc0: 00000016 00000016 b6f69e00 00000004 00000001 00000000 00020000 bead0ac4 # [ 87.755595] dfe0: 00000004 bead07f8 b6ed3d8f b6e5a7e6 # [ 87.760983] irq event stamp: 0 # [ 87.764322] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 87.770210] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 # [ 87.778029] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 # [ 87.785805] softirqs last disabled at (0): [<00000000>] 0x0 # [ 87.791717] ---[ end trace 184820ef97b03c2f ]--- # [ 87.796625] lkdtm: Overflow detected: saturated # REFCOUNT_INC_OVERFLOW: missing 'call trace:': [FAIL] not ok 42 selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh # exit=1 # selftests: lkdtm: REFCOUNT_ADD_OVERFLOW.sh <6>[ 88.308272] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW <6>[ 88.314565] lkdtm: attempting good refcount_add() without overflow <6>[ 88.321075] lkdtm: attempting bad refcount_add() overflow <4>[ 88.326751] ------------[ cut here ]------------ <4>[ 88.331731] WARNING: CPU: 1 PID: 2620 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 <4>[ 88.340485] refcount_t: saturated; leaking memory. <4>[ 88.345550] 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 flexcan can_dev parallel_display imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3 <4>[ 88.375039] CPU: 1 PID: 2620 Comm: cat Tainted: G D W 5.10.182-cip34 #1 <4>[ 88.383053] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 88.389850] Backtrace: <4>[ 88.392589] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 88.400433] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fdf8 <4>[ 88.406369] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 88.413960] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 88.421194] r9:00000009 r8:c0873b88 r7:00000016 r6:00000009 r5:c0873b88 r4:c1a2419c <4>[ 88.429212] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 88.436965] r7:00000016 r6:c1a2419c r5:c1a24174 r4:c5b20000 <4>[ 88.442902] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) <4>[ 88.452134] r9:c1ad01ac r8:c15ebcc8 r7:c5b21f60 r6:00000016 r5:c63e6000 r4:c5b20000 <4>[ 88.460153] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) <4>[ 88.470088] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_OVERFLOW+0x84/0xa8) <4>[ 88.480452] [] (lkdtm_REFCOUNT_ADD_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 88.489850] r4:0000002c <4>[ 88.492658] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 88.500940] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 88.509128] r9:c5b21f60 r8:c5360b40 r7:00000016 r6:b6e98000 r5:c4767400 r4:c0c54b8c <4>[ 88.517150] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 88.525252] r9:c07e0568 r8:c5b21f60 r7:c2815800 r6:b6e98000 r5:c4767400 r4:00000000 <4>[ 88.533269] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 88.540676] r10:00000004 r9:00000000 r8:00000000 r7:b6e98000 r6:c5b20000 r5:c4767400 <4>[ 88.548772] r4:c4767400 <4>[ 88.551578] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 88.558987] r9:c5b20000 r8:c03002e4 r7:00000004 r6:b6fdfe00 r5:00000016 r4:00000016 <4>[ 88.567007] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 88.574845] Exception stack(0xc5b21fa8 to 0xc5b21ff0) <4>[ 88.580170] 1fa0: 00000016 00000016 00000001 b6e98000 00000016 00000000 <4>[ 88.588619] 1fc0: 00000016 00000016 b6fdfe00 00000004 00000001 00000000 00020000 bef7dac4 <4>[ 88.597064] 1fe0: 00000004 bef7d7f8 b6f49d8f b6ed07e6 <4>[ 88.602459] irq event stamp: 0 <4>[ 88.605798] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 88.611689] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 <4>[ 88.619524] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 <4>[ 88.627353] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 88.633218] ---[ end trace 184820ef97b03c30 ]--- <6>[ 88.638154] lkdtm: Overflow detected: saturated # [ 88.308272] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW # [ 88.314565] lkdtm: attempting good refcount_add() without overflow # [ 88.321075] lkdtm: attempting bad refcount_add() overflow # [ 88.326751] ------------[ cut here ]------------ # [ 88.331731] WARNING: CPU: 1 PID: 2620 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 88.340485] refcount_t: saturated; leaking memory. # [ 88.345550] 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 flexcan can_dev parallel_display imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3 # [ 88.375039] CPU: 1 PID: 2620 Comm: cat Tainted: G D W 5.10.182-cip34 #1 # [ 88.383053] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 88.389850] Backtrace: # [ 88.392589] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 88.400433] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fdf8 # [ 88.406369] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 88.413960] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 88.421194] r9:00000009 r8:c0873b88 r7:00000016 r6:00000009 r5:c0873b88 r4:c1a2419c # [ 88.429212] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 88.436965] r7:00000016 r6:c1a2419c r5:c1a24174 r4:c5b20000 # [ 88.442902] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 88.452134] r9:c1ad01ac r8:c15ebcc8 r7:c5b21f60 r6:00000016 r5:c63e6000 r4:c5b20000 # [ 88.460153] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 88.470088] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_OVERFLOW+0x84/0xa8) # [ 88.480452] [] (lkdtm_REFCOUNT_ADD_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 88.489850] r4:0000002c # [ 88.492658] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 88.500940] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 88.509128] r9:c5b21f60 r8:c5360b40 r7:00000016 r6:b6e98000 r5:c4767400 r4:c0c54b8c # [ 88.517150] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 88.525252] r9:c07e0568 r8:c5b21f60 r7:c2815800 r6:b6e98000 r5:c4767400 r4:00000000 # [ 88.533269] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 88.540676] r10:00000004 r9:00000000 r8:00000000 r7:b6e98000 r6:c5b20000 r5:c4767400 # [ 88.548772] r4:c4767400 # [ 88.551578] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 88.558987] r9:c5b20000 r8:c03002e4 r7:00000004 r6:b6fdfe00 r5:00000016 r4:00000016 # [ 88.567007] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 88.574845] Exception stack(0xc5b21fa8 to 0xc5b21ff0) # [ 88.580170] 1fa0: 00000016 00000016 00000001 b6e98000 00000016 00000000 # [ 88.588619] 1fc0: 00000016 00000016 b6fdfe00 00000004 00000001 00000000 00020000 bef7dac4 # [ 88.597064] 1fe0: 00000004 bef7d7f8 b6f49d8f b6ed07e6 # [ 88.602459] irq event stamp: 0 # [ 88.605798] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 88.611689] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 # [ 88.619524] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 # [ 88.627353] softirqs last disabled at (0): [<00000000>] 0x0 # [ 88.633218] ---[ end trace 184820ef97b03c30 ]--- # [ 88.638154] lkdtm: Overflow detected: saturated # REFCOUNT_ADD_OVERFLOW: missing 'call trace:': [FAIL] not ok 43 selftests: lkdtm: REFCOUNT_ADD_OVERFLOW.sh # exit=1 # selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh <6>[ 89.151105] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW <6>[ 89.158271] lkdtm: attempting bad refcount_inc_not_zero() overflow <4>[ 89.164729] ------------[ cut here ]------------ <4>[ 89.169695] WARNING: CPU: 0 PID: 2654 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 <4>[ 89.178468] refcount_t: saturated; leaking memory. <4>[ 89.183536] 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 flexcan can_dev parallel_display imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3 <4>[ 89.213135] CPU: 0 PID: 2654 Comm: cat Tainted: G D W 5.10.182-cip34 #1 <4>[ 89.221151] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 89.227948] Backtrace: <4>[ 89.230686] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 89.238528] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fdf8 <4>[ 89.244470] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 89.252059] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 89.259293] r9:00000009 r8:c0873b54 r7:00000013 r6:00000009 r5:c0873b54 r4:c1a2419c <4>[ 89.267315] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 89.275068] r7:00000013 r6:c1a2419c r5:c1a24174 r4:c5aea000 <4>[ 89.281001] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) <4>[ 89.290231] r9:c1ad01c4 r8:c15ebcc8 r7:c5aebf60 r6:0000001f r5:c6425000 r4:7fffffff <4>[ 89.298255] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) <4>[ 89.308966] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x50/0x88) <4>[ 89.320885] r5:c6425000 r4:c5aea000 <4>[ 89.324739] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 89.334919] r4:0000002d <4>[ 89.337726] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 89.346007] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 89.354196] r9:c5aebf60 r8:c5360b40 r7:0000001f r6:b6e56000 r5:c5bd2dc0 r4:c0c54b8c <4>[ 89.362217] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 89.370318] r9:c07e0568 r8:c5aebf60 r7:c2815800 r6:b6e56000 r5:c5bd2dc0 r4:00000000 <4>[ 89.378336] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 89.385742] r10:00000004 r9:00000000 r8:00000000 r7:b6e56000 r6:c5aea000 r5:c5bd2dc0 <4>[ 89.393839] r4:c5bd2dc0 <4>[ 89.396646] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 89.404053] r9:c5aea000 r8:c03002e4 r7:00000004 r6:b6f9de00 r5:0000001f r4:0000001f <4>[ 89.412070] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 89.419909] Exception stack(0xc5aebfa8 to 0xc5aebff0) <4>[ 89.425234] bfa0: 0000001f 0000001f 00000001 b6e56000 0000001f 00000000 <4>[ 89.433683] bfc0: 0000001f 0000001f b6f9de00 00000004 00000001 00000000 00020000 be88fac4 <4>[ 89.442131] bfe0: 00000004 be88f7f8 b6f07d8f b6e8e7e6 <4>[ 89.447586] irq event stamp: 0 <4>[ 89.450931] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 89.456787] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 <4>[ 89.464597] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 <4>[ 89.472391] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 89.478276] ---[ end trace 184820ef97b03c31 ]--- <6>[ 89.483171] lkdtm: Overflow detected: saturated # [ 89.151105] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 89.158271] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 89.164729] ------------[ cut here ]------------ # [ 89.169695] WARNING: CPU: 0 PID: 2654 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 89.178468] refcount_t: saturated; leaking memory. # [ 89.183536] 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 flexcan can_dev parallel_display imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3 # [ 89.213135] CPU: 0 PID: 2654 Comm: cat Tainted: G D W 5.10.182-cip34 #1 # [ 89.221151] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 89.227948] Backtrace: # [ 89.230686] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 89.238528] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fdf8 # [ 89.244470] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 89.252059] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 89.259293] r9:00000009 r8:c0873b54 r7:00000013 r6:00000009 r5:c0873b54 r4:c1a2419c # [ 89.267315] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 89.275068] r7:00000013 r6:c1a2419c r5:c1a24174 r4:c5aea000 # [ 89.281001] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 89.290231] r9:c1ad01c4 r8:c15ebcc8 r7:c5aebf60 r6:0000001f r5:c6425000 r4:7fffffff # [ 89.298255] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 89.308966] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x50/0x88) # [ 89.320885] r5:c6425000 r4:c5aea000 # [ 89.324739] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 89.334919] r4:0000002d # [ 89.337726] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 89.346007] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 89.354196] r9:c5aebf60 r8:c5360b40 r7:0000001f r6:b6e56000 r5:c5bd2dc0 r4:c0c54b8c # [ 89.362217] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 89.370318] r9:c07e0568 r8:c5aebf60 r7:c2815800 r6:b6e56000 r5:c5bd2dc0 r4:00000000 # [ 89.378336] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 89.385742] r10:00000004 r9:00000000 r8:00000000 r7:b6e56000 r6:c5aea000 r5:c5bd2dc0 # [ 89.393839] r4:c5bd2dc0 # [ 89.396646] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 89.404053] r9:c5aea000 r8:c03002e4 r7:00000004 r6:b6f9de00 r5:0000001f r4:0000001f # [ 89.412070] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 89.419909] Exception stack(0xc5aebfa8 to 0xc5aebff0) # [ 89.425234] bfa0: 0000001f 0000001f 00000001 b6e56000 0000001f 00000000 # [ 89.433683] bfc0: 0000001f 0000001f b6f9de00 00000004 00000001 00000000 00020000 be88fac4 # [ 89.442131] bfe0: 00000004 be88f7f8 b6f07d8f b6e8e7e6 # [ 89.447586] irq event stamp: 0 # [ 89.450931] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 89.456787] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 # [ 89.464597] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 # [ 89.472391] softirqs last disabled at (0): [<00000000>] 0x0 # [ 89.478276] ---[ end trace 184820ef97b03c31 ]--- # [ 89.483171] lkdtm: Overflow detected: saturated # REFCOUNT_INC_NOT_ZERO_OVERFLOW: missing 'call trace:': [FAIL] not ok 44 selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh # exit=1 # selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh <6>[ 90.010354] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW <6>[ 90.017476] lkdtm: attempting bad refcount_add_not_zero() overflow <4>[ 90.023936] ------------[ cut here ]------------ <4>[ 90.028885] WARNING: CPU: 0 PID: 2688 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 <4>[ 90.037655] refcount_t: saturated; leaking memory. <4>[ 90.042721] 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 flexcan can_dev parallel_display imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3 <4>[ 90.072305] CPU: 0 PID: 2688 Comm: cat Tainted: G D W 5.10.182-cip34 #1 <4>[ 90.080321] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 90.087117] Backtrace: <4>[ 90.089857] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 90.097700] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fdf8 <4>[ 90.103638] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 90.111228] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 90.118463] r9:00000009 r8:c0873b54 r7:00000013 r6:00000009 r5:c0873b54 r4:c1a2419c <4>[ 90.126483] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 90.134237] r7:00000013 r6:c1a2419c r5:c1a24174 r4:c6348000 <4>[ 90.140172] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) <4>[ 90.149402] r9:c1ad01e4 r8:c15ebcc8 r7:c6349f60 r6:0000001f r5:c2a69000 r4:7fffffff <4>[ 90.157426] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) <4>[ 90.168140] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x50/0x88) <4>[ 90.180058] r5:c2a69000 r4:c6348000 <4>[ 90.183912] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 90.194091] r4:0000002e <4>[ 90.196900] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 90.205182] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 90.213371] r9:c6349f60 r8:c5360b40 r7:0000001f r6:b6ead000 r5:c5a10500 r4:c0c54b8c <4>[ 90.221394] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 90.229497] r9:c07e0568 r8:c6349f60 r7:c2815800 r6:b6ead000 r5:c5a10500 r4:00000000 <4>[ 90.237513] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 90.244920] r10:00000004 r9:00000000 r8:00000000 r7:b6ead000 r6:c6348000 r5:c5a10500 <4>[ 90.253016] r4:c5a10500 <4>[ 90.255824] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 90.263233] r9:c6348000 r8:c03002e4 r7:00000004 r6:b6ff4e00 r5:0000001f r4:0000001f <4>[ 90.271252] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 90.279089] Exception stack(0xc6349fa8 to 0xc6349ff0) <4>[ 90.284414] 9fa0: 0000001f 0000001f 00000001 b6ead000 0000001f 00000000 <4>[ 90.292862] 9fc0: 0000001f 0000001f b6ff4e00 00000004 00000001 00000000 00020000 bea03ac4 <4>[ 90.301309] 9fe0: 00000004 bea037f8 b6f5ed8f b6ee57e6 <4>[ 90.306714] irq event stamp: 0 <4>[ 90.310080] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 90.315937] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 <4>[ 90.323868] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 <4>[ 90.331796] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 90.337677] ---[ end trace 184820ef97b03c32 ]--- <6>[ 90.342573] lkdtm: Overflow detected: saturated # [ 90.010354] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 90.017476] lkdtm: attempting bad refcount_add_not_zero() overflow # [ 90.023936] ------------[ cut here ]------------ # [ 90.028885] WARNING: CPU: 0 PID: 2688 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 90.037655] refcount_t: saturated; leaking memory. # [ 90.042721] 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 flexcan can_dev parallel_display imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3 # [ 90.072305] CPU: 0 PID: 2688 Comm: cat Tainted: G D W 5.10.182-cip34 #1 # [ 90.080321] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 90.087117] Backtrace: # [ 90.089857] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 90.097700] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fdf8 # [ 90.103638] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 90.111228] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 90.118463] r9:00000009 r8:c0873b54 r7:00000013 r6:00000009 r5:c0873b54 r4:c1a2419c # [ 90.126483] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 90.134237] r7:00000013 r6:c1a2419c r5:c1a24174 r4:c6348000 # [ 90.140172] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 90.149402] r9:c1ad01e4 r8:c15ebcc8 r7:c6349f60 r6:0000001f r5:c2a69000 r4:7fffffff # [ 90.157426] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 90.168140] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x50/0x88) # [ 90.180058] r5:c2a69000 r4:c6348000 # [ 90.183912] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 90.194091] r4:0000002e # [ 90.196900] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 90.205182] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 90.213371] r9:c6349f60 r8:c5360b40 r7:0000001f r6:b6ead000 r5:c5a10500 r4:c0c54b8c # [ 90.221394] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 90.229497] r9:c07e0568 r8:c6349f60 r7:c2815800 r6:b6ead000 r5:c5a10500 r4:00000000 # [ 90.237513] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 90.244920] r10:00000004 r9:00000000 r8:00000000 r7:b6ead000 r6:c6348000 r5:c5a10500 # [ 90.253016] r4:c5a10500 # [ 90.255824] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 90.263233] r9:c6348000 r8:c03002e4 r7:00000004 r6:b6ff4e00 r5:0000001f r4:0000001f # [ 90.271252] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 90.279089] Exception stack(0xc6349fa8 to 0xc6349ff0) # [ 90.284414] 9fa0: 0000001f 0000001f 00000001 b6ead000 0000001f 00000000 # [ 90.292862] 9fc0: 0000001f 0000001f b6ff4e00 00000004 00000001 00000000 00020000 bea03ac4 # [ 90.301309] 9fe0: 00000004 bea037f8 b6f5ed8f b6ee57e6 # [ 90.306714] irq event stamp: 0 # [ 90.310080] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 90.315937] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 # [ 90.323868] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 # [ 90.331796] softirqs last disabled at (0): [<00000000>] 0x0 # [ 90.337677] ---[ end trace 184820ef97b03c32 ]--- # [ 90.342573] lkdtm: Overflow detected: saturated # REFCOUNT_ADD_NOT_ZERO_OVERFLOW: missing 'call trace:': [FAIL] not ok 45 selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh # exit=1 # selftests: lkdtm: REFCOUNT_DEC_ZERO.sh <6>[ 90.896385] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO <6>[ 90.902491] lkdtm: attempting good refcount_dec() <6>[ 90.907586] lkdtm: attempting bad refcount_dec() to zero <4>[ 90.913197] ------------[ cut here ]------------ <4>[ 90.918230] WARNING: CPU: 2 PID: 2722 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 <4>[ 90.926956] refcount_t: decrement hit 0; leaking memory. <4>[ 90.932579] 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 flexcan can_dev parallel_display imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3 <4>[ 90.962084] CPU: 2 PID: 2722 Comm: cat Tainted: G D W 5.10.182-cip34 #1 <4>[ 90.970101] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 90.976896] Backtrace: <4>[ 90.979637] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 90.987480] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fdf8 <4>[ 90.993417] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 91.001008] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 91.008244] r9:00000009 r8:c0873b20 r7:0000001f r6:00000009 r5:c0873b20 r4:c1a2419c <4>[ 91.016263] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 91.024017] r7:0000001f r6:c1a2419c r5:c1a24200 r4:c4772000 <4>[ 91.029950] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) <4>[ 91.039182] r9:c1ad0204 r8:c15ebcc8 r7:c4773f60 r6:00000012 r5:c5c1b000 r4:c4772000 <4>[ 91.047208] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) <4>[ 91.057140] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_ZERO+0x5c/0xd8) <4>[ 91.067158] [] (lkdtm_REFCOUNT_DEC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 91.076209] r4:0000002f <4>[ 91.079016] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 91.087299] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 91.095488] r9:c4773f60 r8:c5360b40 r7:00000012 r6:b6e83000 r5:c44b3b80 r4:c0c54b8c <4>[ 91.103511] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 91.111612] r9:c07e0568 r8:c4773f60 r7:c2815800 r6:b6e83000 r5:c44b3b80 r4:00000000 <4>[ 91.119628] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 91.127036] r10:00000004 r9:00000000 r8:00000000 r7:b6e83000 r6:c4772000 r5:c44b3b80 <4>[ 91.135132] r4:c44b3b80 <4>[ 91.137937] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 91.145344] r9:c4772000 r8:c03002e4 r7:00000004 r6:b6fcae00 r5:00000012 r4:00000012 <4>[ 91.153363] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 91.161202] Exception stack(0xc4773fa8 to 0xc4773ff0) <4>[ 91.166527] 3fa0: 00000012 00000012 00000001 b6e83000 00000012 00000000 <4>[ 91.174978] 3fc0: 00000012 00000012 b6fcae00 00000004 00000001 00000000 00020000 bef9aac4 <4>[ 91.183426] 3fe0: 00000004 bef9a7f8 b6f34d8f b6ebb7e6 <4>[ 91.188866] irq event stamp: 0 <4>[ 91.192210] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 91.198105] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 <4>[ 91.205868] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 <4>[ 91.213664] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 91.219549] ---[ end trace 184820ef97b03c33 ]--- <6>[ 91.224443] lkdtm: Zero detected: saturated # [ 90.896385] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO # [ 90.902491] lkdtm: attempting good refcount_dec() # [ 90.907586] lkdtm: attempting bad refcount_dec() to zero # [ 90.913197] ------------[ cut here ]------------ # [ 90.918230] WARNING: CPU: 2 PID: 2722 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 # [ 90.926956] refcount_t: decrement hit 0; leaking memory. # [ 90.932579] 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 flexcan can_dev parallel_display imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3 # [ 90.962084] CPU: 2 PID: 2722 Comm: cat Tainted: G D W 5.10.182-cip34 #1 # [ 90.970101] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 90.976896] Backtrace: # [ 90.979637] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 90.987480] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fdf8 # [ 90.993417] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 91.001008] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 91.008244] r9:00000009 r8:c0873b20 r7:0000001f r6:00000009 r5:c0873b20 r4:c1a2419c # [ 91.016263] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 91.024017] r7:0000001f r6:c1a2419c r5:c1a24200 r4:c4772000 # [ 91.029950] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) # [ 91.039182] r9:c1ad0204 r8:c15ebcc8 r7:c4773f60 r6:00000012 r5:c5c1b000 r4:c4772000 # [ 91.047208] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) # [ 91.057140] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_ZERO+0x5c/0xd8) # [ 91.067158] [] (lkdtm_REFCOUNT_DEC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 91.076209] r4:0000002f # [ 91.079016] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 91.087299] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 91.095488] r9:c4773f60 r8:c5360b40 r7:00000012 r6:b6e83000 r5:c44b3b80 r4:c0c54b8c # [ 91.103511] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 91.111612] r9:c07e0568 r8:c4773f60 r7:c2815800 r6:b6e83000 r5:c44b3b80 r4:00000000 # [ 91.119628] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 91.127036] r10:00000004 r9:00000000 r8:00000000 r7:b6e83000 r6:c4772000 r5:c44b3b80 # [ 91.135132] r4:c44b3b80 # [ 91.137937] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 91.145344] r9:c4772000 r8:c03002e4 r7:00000004 r6:b6fcae00 r5:00000012 r4:00000012 # [ 91.153363] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 91.161202] Exception stack(0xc4773fa8 to 0xc4773ff0) # [ 91.166527] 3fa0: 00000012 00000012 00000001 b6e83000 00000012 00000000 # [ 91.174978] 3fc0: 00000012 00000012 b6fcae00 00000004 00000001 00000000 00020000 bef9aac4 # [ 91.183426] 3fe0: 00000004 bef9a7f8 b6f34d8f b6ebb7e6 # [ 91.188866] irq event stamp: 0 # [ 91.192210] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 91.198105] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 # [ 91.205868] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 # [ 91.213664] softirqs last disabled at (0): [<00000000>] 0x0 # [ 91.219549] ---[ end trace 184820ef97b03c33 ]--- # [ 91.224443] lkdtm: Zero detected: saturated # REFCOUNT_DEC_ZERO: missing 'call trace:': [FAIL] not ok 46 selftests: lkdtm: REFCOUNT_DEC_ZERO.sh # exit=1 # selftests: lkdtm: REFCOUNT_DEC_NEGATIVE.sh <6>[ 91.764769] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE <6>[ 91.771183] lkdtm: attempting bad refcount_dec() below zero <4>[ 91.777056] ------------[ cut here ]------------ <4>[ 91.782123] WARNING: CPU: 3 PID: 2759 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 <4>[ 91.790964] refcount_t: decrement hit 0; leaking memory. <4>[ 91.796574] 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 flexcan can_dev parallel_display imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3 <4>[ 91.826512] CPU: 3 PID: 2759 Comm: cat Tainted: G D W 5.10.182-cip34 #1 <4>[ 91.834544] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 91.841354] Backtrace: <4>[ 91.844123] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 91.851985] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fdf8 <4>[ 91.857945] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 91.865557] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 91.872814] r9:00000009 r8:c0873b20 r7:0000001f r6:00000009 r5:c0873b20 r4:c1a2419c <4>[ 91.880857] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 91.888630] r7:0000001f r6:c1a2419c r5:c1a24200 r4:c5e0e000 <4>[ 91.894586] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) <4>[ 91.903836] r9:c1ad0218 r8:c15ebcc8 r7:c5e0ff60 r6:00000016 r5:00000000 r4:c5e0e000 <4>[ 91.911882] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) <4>[ 91.921837] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_NEGATIVE+0x48/0x70) <4>[ 91.932224] [] (lkdtm_REFCOUNT_DEC_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 91.941641] r5:c63b6000 r4:00000030 <4>[ 91.945509] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 91.953815] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 91.962023] r9:c5e0ff60 r8:c5360b40 r7:00000016 r6:b6e9e000 r5:c4766a00 r4:c0c54b8c <4>[ 91.970069] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 91.978188] r9:c07e0568 r8:c5e0ff60 r7:c2815800 r6:b6e9e000 r5:c4766a00 r4:00000000 <4>[ 91.986225] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 91.993650] r10:00000004 r9:00000000 r8:00000000 r7:b6e9e000 r6:c5e0e000 r5:c4766a00 <4>[ 92.001760] r4:c4766a00 <4>[ 92.004587] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 92.012013] r9:c5e0e000 r8:c03002e4 r7:00000004 r6:b6fe5e00 r5:00000016 r4:00000016 <4>[ 92.020051] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 92.027902] Exception stack(0xc5e0ffa8 to 0xc5e0fff0) <4>[ 92.033244] ffa0: 00000016 00000016 00000001 b6e9e000 00000016 00000000 <4>[ 92.041714] ffc0: 00000016 00000016 b6fe5e00 00000004 00000001 00000000 00020000 bebf6ac4 <4>[ 92.050175] ffe0: 00000004 bebf67f8 b6f4fd8f b6ed67e6 <4>[ 92.055701] irq event stamp: 0 <4>[ 92.059131] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 92.065016] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 <4>[ 92.072865] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 <4>[ 92.080715] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 92.086589] ---[ end trace 184820ef97b03c34 ]--- <6>[ 92.091614] lkdtm: Negative detected: saturated # [ 91.764769] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 91.771183] lkdtm: attempting bad refcount_dec() below zero # [ 91.777056] ------------[ cut here ]------------ # [ 91.782123] WARNING: CPU: 3 PID: 2759 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 # [ 91.790964] refcount_t: decrement hit 0; leaking memory. # [ 91.796574] 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 flexcan can_dev parallel_display imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3 # [ 91.826512] CPU: 3 PID: 2759 Comm: cat Tainted: G D W 5.10.182-cip34 #1 # [ 91.834544] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 91.841354] Backtrace: # [ 91.844123] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 91.851985] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fdf8 # [ 91.857945] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 91.865557] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 91.872814] r9:00000009 r8:c0873b20 r7:0000001f r6:00000009 r5:c0873b20 r4:c1a2419c # [ 91.880857] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 91.888630] r7:0000001f r6:c1a2419c r5:c1a24200 r4:c5e0e000 # [ 91.894586] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) # [ 91.903836] r9:c1ad0218 r8:c15ebcc8 r7:c5e0ff60 r6:00000016 r5:00000000 r4:c5e0e000 # [ 91.911882] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) # [ 91.921837] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_NEGATIVE+0x48/0x70) # [ 91.932224] [] (lkdtm_REFCOUNT_DEC_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 91.941641] r5:c63b6000 r4:00000030 # [ 91.945509] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 91.953815] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 91.962023] r9:c5e0ff60 r8:c5360b40 r7:00000016 r6:b6e9e000 r5:c4766a00 r4:c0c54b8c # [ 91.970069] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 91.978188] r9:c07e0568 r8:c5e0ff60 r7:c2815800 r6:b6e9e000 r5:c4766a00 r4:00000000 # [ 91.986225] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 91.993650] r10:00000004 r9:00000000 r8:00000000 r7:b6e9e000 r6:c5e0e000 r5:c4766a00 # [ 92.001760] r4:c4766a00 # [ 92.004587] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 92.012013] r9:c5e0e000 r8:c03002e4 r7:00000004 r6:b6fe5e00 r5:00000016 r4:00000016 # [ 92.020051] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 92.027902] Exception stack(0xc5e0ffa8 to 0xc5e0fff0) # [ 92.033244] ffa0: 00000016 00000016 00000001 b6e9e000 00000016 00000000 # [ 92.041714] ffc0: 00000016 00000016 b6fe5e00 00000004 00000001 00000000 00020000 bebf6ac4 # [ 92.050175] ffe0: 00000004 bebf67f8 b6f4fd8f b6ed67e6 # [ 92.055701] irq event stamp: 0 # [ 92.059131] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 92.065016] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 # [ 92.072865] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 # [ 92.080715] softirqs last disabled at (0): [<00000000>] 0x0 # [ 92.086589] ---[ end trace 184820ef97b03c34 ]--- # [ 92.091614] 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>[ 92.654351] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE <6>[ 92.661522] lkdtm: attempting bad refcount_dec_and_test() below zero <4>[ 92.668209] ------------[ cut here ]------------ <4>[ 92.673122] WARNING: CPU: 0 PID: 2794 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 <4>[ 92.681978] refcount_t: underflow; use-after-free. <4>[ 92.687044] 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 flexcan can_dev parallel_display imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3 <4>[ 92.716695] CPU: 0 PID: 2794 Comm: cat Tainted: G D W 5.10.182-cip34 #1 <4>[ 92.724711] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 92.731506] Backtrace: <4>[ 92.734246] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 92.742089] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fdf8 <4>[ 92.748025] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 92.755614] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 92.762849] r9:00000009 r8:c0873bf0 r7:0000001c r6:00000009 r5:c0873bf0 r4:c1a2419c <4>[ 92.770869] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 92.778622] r7:0000001c r6:c1a2419c r5:c1a241d8 r4:c612a000 <4>[ 92.784558] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) <4>[ 92.793877] r9:c1ad0230 r8:c15ebcc8 r7:c612bf60 r6:0000001f r5:00000000 r4:c612a000 <4>[ 92.801898] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) <4>[ 92.812617] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x50/0x8c) <4>[ 92.824544] [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 92.834727] r5:c6451000 r4:00000031 <4>[ 92.838576] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 92.846858] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 92.855047] r9:c612bf60 r8:c5360b40 r7:0000001f r6:b6e1e000 r5:c5ad8280 r4:c0c54b8c <4>[ 92.863070] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 92.871171] r9:c07e0568 r8:c612bf60 r7:c2815800 r6:b6e1e000 r5:c5ad8280 r4:00000000 <4>[ 92.879187] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 92.886594] r10:00000004 r9:00000000 r8:00000000 r7:b6e1e000 r6:c612a000 r5:c5ad8280 <4>[ 92.894689] r4:c5ad8280 <4>[ 92.897497] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 92.904904] r9:c612a000 r8:c03002e4 r7:00000004 r6:b6f65e00 r5:0000001f r4:0000001f <4>[ 92.912923] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 92.920763] Exception stack(0xc612bfa8 to 0xc612bff0) <4>[ 92.926087] bfa0: 0000001f 0000001f 00000001 b6e1e000 0000001f 00000000 <4>[ 92.934537] bfc0: 0000001f 0000001f b6f65e00 00000004 00000001 00000000 00020000 be96bac4 <4>[ 92.942985] bfe0: 00000004 be96b7f8 b6ecfd8f b6e567e6 <4>[ 92.948363] irq event stamp: 0 <4>[ 92.951705] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 92.957598] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 <4>[ 92.965360] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 <4>[ 92.973161] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 92.979046] ---[ end trace 184820ef97b03c35 ]--- <6>[ 92.983939] lkdtm: Negative detected: saturated # [ 92.654351] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 92.661522] lkdtm: attempting bad refcount_dec_and_test() below zero # [ 92.668209] ------------[ cut here ]------------ # [ 92.673122] WARNING: CPU: 0 PID: 2794 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 92.681978] refcount_t: underflow; use-after-free. # [ 92.687044] 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 flexcan can_dev parallel_display imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3 # [ 92.716695] CPU: 0 PID: 2794 Comm: cat Tainted: G D W 5.10.182-cip34 #1 # [ 92.724711] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 92.731506] Backtrace: # [ 92.734246] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 92.742089] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fdf8 # [ 92.748025] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 92.755614] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 92.762849] r9:00000009 r8:c0873bf0 r7:0000001c r6:00000009 r5:c0873bf0 r4:c1a2419c # [ 92.770869] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 92.778622] r7:0000001c r6:c1a2419c r5:c1a241d8 r4:c612a000 # [ 92.784558] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 92.793877] r9:c1ad0230 r8:c15ebcc8 r7:c612bf60 r6:0000001f r5:00000000 r4:c612a000 # [ 92.801898] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 92.812617] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x50/0x8c) # [ 92.824544] [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 92.834727] r5:c6451000 r4:00000031 # [ 92.838576] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 92.846858] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 92.855047] r9:c612bf60 r8:c5360b40 r7:0000001f r6:b6e1e000 r5:c5ad8280 r4:c0c54b8c # [ 92.863070] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 92.871171] r9:c07e0568 r8:c612bf60 r7:c2815800 r6:b6e1e000 r5:c5ad8280 r4:00000000 # [ 92.879187] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 92.886594] r10:00000004 r9:00000000 r8:00000000 r7:b6e1e000 r6:c612a000 r5:c5ad8280 # [ 92.894689] r4:c5ad8280 # [ 92.897497] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 92.904904] r9:c612a000 r8:c03002e4 r7:00000004 r6:b6f65e00 r5:0000001f r4:0000001f # [ 92.912923] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 92.920763] Exception stack(0xc612bfa8 to 0xc612bff0) # [ 92.926087] bfa0: 0000001f 0000001f 00000001 b6e1e000 0000001f 00000000 # [ 92.934537] bfc0: 0000001f 0000001f b6f65e00 00000004 00000001 00000000 00020000 be96bac4 # [ 92.942985] bfe0: 00000004 be96b7f8 b6ecfd8f b6e567e6 # [ 92.948363] irq event stamp: 0 # [ 92.951705] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 92.957598] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 # [ 92.965360] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 # [ 92.973161] softirqs last disabled at (0): [<00000000>] 0x0 # [ 92.979046] ---[ end trace 184820ef97b03c35 ]--- # [ 92.983939] lkdtm: Negative detected: saturated # REFCOUNT_DEC_AND_TEST_NEGATIVE: saw 'Negative detected: saturated': ok ok 48 selftests: lkdtm: REFCOUNT_DEC_AND_TEST_NEGATIVE.sh # selftests: lkdtm: REFCOUNT_SUB_AND_TEST_NEGATIVE.sh <6>[ 93.539733] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE <6>[ 93.546808] lkdtm: attempting bad refcount_sub_and_test() below zero <4>[ 93.553509] ------------[ cut here ]------------ <4>[ 93.558493] WARNING: CPU: 0 PID: 2829 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 <4>[ 93.567358] refcount_t: underflow; use-after-free. <4>[ 93.572424] 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 flexcan can_dev parallel_display imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3 <4>[ 93.602028] CPU: 0 PID: 2829 Comm: cat Tainted: G D W 5.10.182-cip34 #1 <4>[ 93.610043] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 93.616840] Backtrace: <4>[ 93.619578] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 93.627422] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fdf8 <4>[ 93.633359] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 93.640950] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 93.648185] r9:00000009 r8:c0873bf0 r7:0000001c r6:00000009 r5:c0873bf0 r4:c1a2419c <4>[ 93.656203] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 93.663957] r7:0000001c r6:c1a2419c r5:c1a241d8 r4:c612a000 <4>[ 93.669892] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) <4>[ 93.679210] r9:c1ad0250 r8:c15ebcc8 r7:c612bf60 r6:0000001f r5:c6431000 r4:c612a000 <4>[ 93.687232] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) <4>[ 93.697951] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x50/0x8c) <4>[ 93.709880] [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 93.720061] r4:00000032 <4>[ 93.722867] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 93.731150] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 93.739338] r9:c612bf60 r8:c5360b40 r7:0000001f r6:b6e61000 r5:c5a10000 r4:c0c54b8c <4>[ 93.747361] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 93.755463] r9:c07e0568 r8:c612bf60 r7:c2815800 r6:b6e61000 r5:c5a10000 r4:00000000 <4>[ 93.763479] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 93.770886] r10:00000004 r9:00000000 r8:00000000 r7:b6e61000 r6:c612a000 r5:c5a10000 <4>[ 93.778982] r4:c5a10000 <4>[ 93.781789] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 93.789196] r9:c612a000 r8:c03002e4 r7:00000004 r6:b6fa8e00 r5:0000001f r4:0000001f <4>[ 93.797214] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 93.805053] Exception stack(0xc612bfa8 to 0xc612bff0) <4>[ 93.810377] bfa0: 0000001f 0000001f 00000001 b6e61000 0000001f 00000000 <4>[ 93.818828] bfc0: 0000001f 0000001f b6fa8e00 00000004 00000001 00000000 00020000 bed24ac4 <4>[ 93.827274] bfe0: 00000004 bed247f8 b6f12d8f b6e997e6 <4>[ 93.832672] irq event stamp: 0 <4>[ 93.836010] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 93.841900] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 <4>[ 93.849711] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 <4>[ 93.858818] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 93.865443] ---[ end trace 184820ef97b03c36 ]--- <6>[ 93.870389] lkdtm: Negative detected: saturated # [ 93.539733] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 93.546808] lkdtm: attempting bad refcount_sub_and_test() below zero # [ 93.553509] ------------[ cut here ]------------ # [ 93.558493] WARNING: CPU: 0 PID: 2829 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 93.567358] refcount_t: underflow; use-after-free. # [ 93.572424] 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 flexcan can_dev parallel_display imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3 # [ 93.602028] CPU: 0 PID: 2829 Comm: cat Tainted: G D W 5.10.182-cip34 #1 # [ 93.610043] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 93.616840] Backtrace: # [ 93.619578] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 93.627422] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fdf8 # [ 93.633359] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 93.640950] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 93.648185] r9:00000009 r8:c0873bf0 r7:0000001c r6:00000009 r5:c0873bf0 r4:c1a2419c # [ 93.656203] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 93.663957] r7:0000001c r6:c1a2419c r5:c1a241d8 r4:c612a000 # [ 93.669892] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 93.679210] r9:c1ad0250 r8:c15ebcc8 r7:c612bf60 r6:0000001f r5:c6431000 r4:c612a000 # [ 93.687232] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 93.697951] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x50/0x8c) # [ 93.709880] [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 93.720061] r4:00000032 # [ 93.722867] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 93.731150] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 93.739338] r9:c612bf60 r8:c5360b40 r7:0000001f r6:b6e61000 r5:c5a10000 r4:c0c54b8c # [ 93.747361] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 93.755463] r9:c07e0568 r8:c612bf60 r7:c2815800 r6:b6e61000 r5:c5a10000 r4:00000000 # [ 93.763479] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 93.770886] r10:00000004 r9:00000000 r8:00000000 r7:b6e61000 r6:c612a000 r5:c5a10000 # [ 93.778982] r4:c5a10000 # [ 93.781789] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 93.789196] r9:c612a000 r8:c03002e4 r7:00000004 r6:b6fa8e00 r5:0000001f r4:0000001f # [ 93.797214] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 93.805053] Exception stack(0xc612bfa8 to 0xc612bff0) # [ 93.810377] bfa0: 0000001f 0000001f 00000001 b6e61000 0000001f 00000000 # [ 93.818828] bfc0: 0000001f 0000001f b6fa8e00 00000004 00000001 00000000 00020000 bed24ac4 # [ 93.827274] bfe0: 00000004 bed247f8 b6f12d8f b6e997e6 # [ 93.832672] irq event stamp: 0 # [ 93.836010] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 93.841900] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 # [ 93.849711] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 # [ 93.858818] softirqs last disabled at (0): [<00000000>] 0x0 # [ 93.865443] ---[ end trace 184820ef97b03c36 ]--- # [ 93.870389] 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>[ 94.420119] lkdtm: Performing direct entry REFCOUNT_INC_ZERO <6>[ 94.426091] lkdtm: attempting safe refcount_inc_not_zero() from zero <6>[ 94.432868] lkdtm: Good: zero detected <6>[ 94.436916] lkdtm: Correctly stayed at zero <6>[ 94.441438] lkdtm: attempting bad refcount_inc() from zero <4>[ 94.447259] ------------[ cut here ]------------ <4>[ 94.452169] WARNING: CPU: 0 PID: 2861 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 <4>[ 94.461109] refcount_t: addition on 0; use-after-free. <4>[ 94.466523] 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 flexcan can_dev parallel_display imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3 <4>[ 94.496029] CPU: 0 PID: 2861 Comm: cat Tainted: G D W 5.10.182-cip34 #1 <4>[ 94.504044] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 94.510840] Backtrace: <4>[ 94.513578] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 94.521421] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fdf8 <4>[ 94.527359] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 94.534950] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 94.542184] r9:00000009 r8:c0873bbc r7:00000019 r6:00000009 r5:c0873bbc r4:c1a2419c <4>[ 94.550206] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 94.557960] r7:00000019 r6:c1a2419c r5:c1a241ac r4:c64e6000 <4>[ 94.563897] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) <4>[ 94.573217] r9:c1ad0270 r8:c15ebcc8 r7:c64e7f60 r6:00000012 r5:00000000 r4:c64e6000 <4>[ 94.581239] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) <4>[ 94.591176] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_ZERO+0xa8/0xcc) <4>[ 94.601193] [] (lkdtm_REFCOUNT_INC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 94.610247] r5:c6432000 r4:00000033 <4>[ 94.614097] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 94.622379] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 94.630568] r9:c64e7f60 r8:c5360b40 r7:00000012 r6:b6e67000 r5:c5a10500 r4:c0c54b8c <4>[ 94.638590] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 94.646692] r9:c07e0568 r8:c64e7f60 r7:c2815800 r6:b6e67000 r5:c5a10500 r4:00000000 <4>[ 94.654708] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 94.662118] r10:00000004 r9:00000000 r8:00000000 r7:b6e67000 r6:c64e6000 r5:c5a10500 <4>[ 94.670214] r4:c5a10500 <4>[ 94.673023] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 94.680431] r9:c64e6000 r8:c03002e4 r7:00000004 r6:b6faee00 r5:00000012 r4:00000012 <4>[ 94.688451] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 94.696288] Exception stack(0xc64e7fa8 to 0xc64e7ff0) <4>[ 94.701613] 7fa0: 00000012 00000012 00000001 b6e67000 00000012 00000000 <4>[ 94.710064] 7fc0: 00000012 00000012 b6faee00 00000004 00000001 00000000 00020000 bee66ac4 <4>[ 94.718510] 7fe0: 00000004 bee667f8 b6f18d8f b6e9f7e6 <4>[ 94.723919] irq event stamp: 0 <4>[ 94.727289] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 94.733147] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 <4>[ 94.740954] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 <4>[ 94.748760] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 94.754612] ---[ end trace 184820ef97b03c37 ]--- <6>[ 94.759538] lkdtm: Zero detected: saturated # [ 94.420119] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 94.426091] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 94.432868] lkdtm: Good: zero detected # [ 94.436916] lkdtm: Correctly stayed at zero # [ 94.441438] lkdtm: attempting bad refcount_inc() from zero # [ 94.447259] ------------[ cut here ]------------ # [ 94.452169] WARNING: CPU: 0 PID: 2861 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 # [ 94.461109] refcount_t: addition on 0; use-after-free. # [ 94.466523] 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 flexcan can_dev parallel_display imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3 # [ 94.496029] CPU: 0 PID: 2861 Comm: cat Tainted: G D W 5.10.182-cip34 #1 # [ 94.504044] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 94.510840] Backtrace: # [ 94.513578] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 94.521421] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fdf8 # [ 94.527359] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 94.534950] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 94.542184] r9:00000009 r8:c0873bbc r7:00000019 r6:00000009 r5:c0873bbc r4:c1a2419c # [ 94.550206] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 94.557960] r7:00000019 r6:c1a2419c r5:c1a241ac r4:c64e6000 # [ 94.563897] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) # [ 94.573217] r9:c1ad0270 r8:c15ebcc8 r7:c64e7f60 r6:00000012 r5:00000000 r4:c64e6000 # [ 94.581239] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) # [ 94.591176] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_ZERO+0xa8/0xcc) # [ 94.601193] [] (lkdtm_REFCOUNT_INC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 94.610247] r5:c6432000 r4:00000033 # [ 94.614097] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 94.622379] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 94.630568] r9:c64e7f60 r8:c5360b40 r7:00000012 r6:b6e67000 r5:c5a10500 r4:c0c54b8c # [ 94.638590] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 94.646692] r9:c07e0568 r8:c64e7f60 r7:c2815800 r6:b6e67000 r5:c5a10500 r4:00000000 # [ 94.654708] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 94.662118] r10:00000004 r9:00000000 r8:00000000 r7:b6e67000 r6:c64e6000 r5:c5a10500 # [ 94.670214] r4:c5a10500 # [ 94.673023] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 94.680431] r9:c64e6000 r8:c03002e4 r7:00000004 r6:b6faee00 r5:00000012 r4:00000012 # [ 94.688451] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 94.696288] Exception stack(0xc64e7fa8 to 0xc64e7ff0) # [ 94.701613] 7fa0: 00000012 00000012 00000001 b6e67000 00000012 00000000 # [ 94.710064] 7fc0: 00000012 00000012 b6faee00 00000004 00000001 00000000 00020000 bee66ac4 # [ 94.718510] 7fe0: 00000004 bee667f8 b6f18d8f b6e9f7e6 # [ 94.723919] irq event stamp: 0 # [ 94.727289] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 94.733147] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 # [ 94.740954] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 # [ 94.748760] softirqs last disabled at (0): [<00000000>] 0x0 # [ 94.754612] ---[ end trace 184820ef97b03c37 ]--- # [ 94.759538] lkdtm: Zero detected: saturated # REFCOUNT_INC_ZERO: missing 'call trace:': [FAIL] not ok 50 selftests: lkdtm: REFCOUNT_INC_ZERO.sh # exit=1 # selftests: lkdtm: REFCOUNT_ADD_ZERO.sh <6>[ 95.345631] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO <6>[ 95.351651] lkdtm: attempting safe refcount_add_not_zero() from zero <6>[ 95.358334] lkdtm: Good: zero detected <6>[ 95.362362] lkdtm: Correctly stayed at zero <6>[ 95.366817] lkdtm: attempting bad refcount_add() from zero <4>[ 95.372627] ------------[ cut here ]------------ <4>[ 95.377571] WARNING: CPU: 3 PID: 2895 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 <4>[ 95.386370] refcount_t: addition on 0; use-after-free. <4>[ 95.391819] 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 flexcan can_dev parallel_display imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3 <4>[ 95.421293] CPU: 3 PID: 2895 Comm: cat Tainted: G D W 5.10.182-cip34 #1 <4>[ 95.429308] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 95.436103] Backtrace: <4>[ 95.438841] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 95.446686] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fdf8 <4>[ 95.452623] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 95.460211] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 95.467446] r9:00000009 r8:c0873bbc r7:00000019 r6:00000009 r5:c0873bbc r4:c1a2419c <4>[ 95.475465] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 95.483220] r7:00000019 r6:c1a2419c r5:c1a241ac r4:c6348000 <4>[ 95.489155] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) <4>[ 95.498472] r9:c1ad0284 r8:c15ebcc8 r7:c6349f60 r6:00000012 r5:00000000 r4:c6348000 <4>[ 95.506494] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) <4>[ 95.516428] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_ZERO+0xa8/0xcc) <4>[ 95.526444] [] (lkdtm_REFCOUNT_ADD_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 95.535498] r5:c62b3000 r4:00000034 <4>[ 95.539346] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 95.547629] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 95.555817] r9:c6349f60 r8:c5360b40 r7:00000012 r6:b6dda000 r5:c5c90a00 r4:c0c54b8c <4>[ 95.563840] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 95.571940] r9:c07e0568 r8:c6349f60 r7:c2815800 r6:b6dda000 r5:c5c90a00 r4:00000000 <4>[ 95.579957] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 95.587364] r10:00000004 r9:00000000 r8:00000000 r7:b6dda000 r6:c6348000 r5:c5c90a00 <4>[ 95.595460] r4:c5c90a00 <4>[ 95.598267] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 95.605675] r9:c6348000 r8:c03002e4 r7:00000004 r6:b6f21e00 r5:00000012 r4:00000012 <4>[ 95.613694] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 95.621532] Exception stack(0xc6349fa8 to 0xc6349ff0) <4>[ 95.626855] 9fa0: 00000012 00000012 00000001 b6dda000 00000012 00000000 <4>[ 95.635305] 9fc0: 00000012 00000012 b6f21e00 00000004 00000001 00000000 00020000 bee9dac4 <4>[ 95.643750] 9fe0: 00000004 bee9d7f8 b6e8bd8f b6e127e6 <4>[ 95.649135] irq event stamp: 0 <4>[ 95.652474] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 95.658363] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 <4>[ 95.666131] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 <4>[ 95.673939] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 95.679828] ---[ end trace 184820ef97b03c38 ]--- <6>[ 95.684727] lkdtm: Zero detected: saturated # [ 95.345631] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 95.351651] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 95.358334] lkdtm: Good: zero detected # [ 95.362362] lkdtm: Correctly stayed at zero # [ 95.366817] lkdtm: attempting bad refcount_add() from zero # [ 95.372627] ------------[ cut here ]------------ # [ 95.377571] WARNING: CPU: 3 PID: 2895 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 # [ 95.386370] refcount_t: addition on 0; use-after-free. # [ 95.391819] 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 flexcan can_dev parallel_display imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3 # [ 95.421293] CPU: 3 PID: 2895 Comm: cat Tainted: G D W 5.10.182-cip34 #1 # [ 95.429308] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 95.436103] Backtrace: # [ 95.438841] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 95.446686] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fdf8 # [ 95.452623] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 95.460211] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 95.467446] r9:00000009 r8:c0873bbc r7:00000019 r6:00000009 r5:c0873bbc r4:c1a2419c # [ 95.475465] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 95.483220] r7:00000019 r6:c1a2419c r5:c1a241ac r4:c6348000 # [ 95.489155] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) # [ 95.498472] r9:c1ad0284 r8:c15ebcc8 r7:c6349f60 r6:00000012 r5:00000000 r4:c6348000 # [ 95.506494] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) # [ 95.516428] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_ZERO+0xa8/0xcc) # [ 95.526444] [] (lkdtm_REFCOUNT_ADD_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 95.535498] r5:c62b3000 r4:00000034 # [ 95.539346] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 95.547629] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 95.555817] r9:c6349f60 r8:c5360b40 r7:00000012 r6:b6dda000 r5:c5c90a00 r4:c0c54b8c # [ 95.563840] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 95.571940] r9:c07e0568 r8:c6349f60 r7:c2815800 r6:b6dda000 r5:c5c90a00 r4:00000000 # [ 95.579957] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 95.587364] r10:00000004 r9:00000000 r8:00000000 r7:b6dda000 r6:c6348000 r5:c5c90a00 # [ 95.595460] r4:c5c90a00 # [ 95.598267] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 95.605675] r9:c6348000 r8:c03002e4 r7:00000004 r6:b6f21e00 r5:00000012 r4:00000012 # [ 95.613694] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 95.621532] Exception stack(0xc6349fa8 to 0xc6349ff0) # [ 95.626855] 9fa0: 00000012 00000012 00000001 b6dda000 00000012 00000000 # [ 95.635305] 9fc0: 00000012 00000012 b6f21e00 00000004 00000001 00000000 00020000 bee9dac4 # [ 95.643750] 9fe0: 00000004 bee9d7f8 b6e8bd8f b6e127e6 # [ 95.649135] irq event stamp: 0 # [ 95.652474] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 95.658363] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 # [ 95.666131] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 # [ 95.673939] softirqs last disabled at (0): [<00000000>] 0x0 # [ 95.679828] ---[ end trace 184820ef97b03c38 ]--- # [ 95.684727] lkdtm: Zero detected: saturated # REFCOUNT_ADD_ZERO: missing 'call trace:': [FAIL] not ok 51 selftests: lkdtm: REFCOUNT_ADD_ZERO.sh # exit=1 # selftests: lkdtm: REFCOUNT_INC_SATURATED.sh <6>[ 96.262338] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED <6>[ 96.268779] lkdtm: attempting bad refcount_inc() from saturated <4>[ 96.274974] ------------[ cut here ]------------ <4>[ 96.279932] WARNING: CPU: 1 PID: 2932 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 <4>[ 96.288703] refcount_t: saturated; leaking memory. <4>[ 96.293769] 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 flexcan can_dev parallel_display imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3 <4>[ 96.323263] CPU: 1 PID: 2932 Comm: cat Tainted: G D W 5.10.182-cip34 #1 <4>[ 96.331277] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 96.338074] Backtrace: <4>[ 96.340813] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 96.348656] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fdf8 <4>[ 96.354594] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 96.362183] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 96.369418] r9:00000009 r8:c0873b88 r7:00000016 r6:00000009 r5:c0873b88 r4:c1a2419c <4>[ 96.377438] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 96.385190] r7:00000016 r6:c1a2419c r5:c1a24174 r4:c64e6000 <4>[ 96.391127] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) <4>[ 96.400357] r9:c1ad0298 r8:c15ebcc8 r7:c64e7f60 r6:00000017 r5:c60bb000 r4:c64e6000 <4>[ 96.408376] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) <4>[ 96.418311] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_SATURATED+0x4c/0x70) <4>[ 96.428762] [] (lkdtm_REFCOUNT_INC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 96.438247] r4:00000035 <4>[ 96.441054] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 96.449336] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 96.457526] r9:c64e7f60 r8:c5360b40 r7:00000017 r6:b6e62000 r5:c64e3180 r4:c0c54b8c <4>[ 96.465547] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 96.473648] r9:c07e0568 r8:c64e7f60 r7:c2815800 r6:b6e62000 r5:c64e3180 r4:00000000 <4>[ 96.481665] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 96.489072] r10:00000004 r9:00000000 r8:00000000 r7:b6e62000 r6:c64e6000 r5:c64e3180 <4>[ 96.497169] r4:c64e3180 <4>[ 96.499977] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 96.507384] r9:c64e6000 r8:c03002e4 r7:00000004 r6:b6fa9e00 r5:00000017 r4:00000017 <4>[ 96.515403] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 96.523241] Exception stack(0xc64e7fa8 to 0xc64e7ff0) <4>[ 96.528567] 7fa0: 00000017 00000017 00000001 b6e62000 00000017 00000000 <4>[ 96.537017] 7fc0: 00000017 00000017 b6fa9e00 00000004 00000001 00000000 00020000 be89bac4 <4>[ 96.545463] 7fe0: 00000004 be89b7f8 b6f13d8f b6e9a7e6 <4>[ 96.550858] irq event stamp: 0 <4>[ 96.554198] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 96.560088] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 <4>[ 96.567909] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 <4>[ 96.575698] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 96.581598] ---[ end trace 184820ef97b03c39 ]--- <6>[ 96.586496] lkdtm: Saturation detected: still saturated # [ 96.262338] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 96.268779] lkdtm: attempting bad refcount_inc() from saturated # [ 96.274974] ------------[ cut here ]------------ # [ 96.279932] WARNING: CPU: 1 PID: 2932 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 96.288703] refcount_t: saturated; leaking memory. # [ 96.293769] 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 flexcan can_dev parallel_display imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3 # [ 96.323263] CPU: 1 PID: 2932 Comm: cat Tainted: G D W 5.10.182-cip34 #1 # [ 96.331277] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 96.338074] Backtrace: # [ 96.340813] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 96.348656] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fdf8 # [ 96.354594] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 96.362183] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 96.369418] r9:00000009 r8:c0873b88 r7:00000016 r6:00000009 r5:c0873b88 r4:c1a2419c # [ 96.377438] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 96.385190] r7:00000016 r6:c1a2419c r5:c1a24174 r4:c64e6000 # [ 96.391127] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 96.400357] r9:c1ad0298 r8:c15ebcc8 r7:c64e7f60 r6:00000017 r5:c60bb000 r4:c64e6000 # [ 96.408376] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 96.418311] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_SATURATED+0x4c/0x70) # [ 96.428762] [] (lkdtm_REFCOUNT_INC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 96.438247] r4:00000035 # [ 96.441054] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 96.449336] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 96.457526] r9:c64e7f60 r8:c5360b40 r7:00000017 r6:b6e62000 r5:c64e3180 r4:c0c54b8c # [ 96.465547] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 96.473648] r9:c07e0568 r8:c64e7f60 r7:c2815800 r6:b6e62000 r5:c64e3180 r4:00000000 # [ 96.481665] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 96.489072] r10:00000004 r9:00000000 r8:00000000 r7:b6e62000 r6:c64e6000 r5:c64e3180 # [ 96.497169] r4:c64e3180 # [ 96.499977] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 96.507384] r9:c64e6000 r8:c03002e4 r7:00000004 r6:b6fa9e00 r5:00000017 r4:00000017 # [ 96.515403] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 96.523241] Exception stack(0xc64e7fa8 to 0xc64e7ff0) # [ 96.528567] 7fa0: 00000017 00000017 00000001 b6e62000 00000017 00000000 # [ 96.537017] 7fc0: 00000017 00000017 b6fa9e00 00000004 00000001 00000000 00020000 be89bac4 # [ 96.545463] 7fe0: 00000004 be89b7f8 b6f13d8f b6e9a7e6 # [ 96.550858] irq event stamp: 0 # [ 96.554198] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 96.560088] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 # [ 96.567909] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 # [ 96.575698] softirqs last disabled at (0): [<00000000>] 0x0 # [ 96.581598] ---[ end trace 184820ef97b03c39 ]--- # [ 96.586496] 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>[ 97.170484] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED <6>[ 97.176892] lkdtm: attempting bad refcount_dec() from saturated <4>[ 97.183252] ------------[ cut here ]------------ <4>[ 97.188314] WARNING: CPU: 1 PID: 2967 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 <4>[ 97.197049] refcount_t: decrement hit 0; leaking memory. <4>[ 97.202782] 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 flexcan can_dev parallel_display imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3 <4>[ 97.232640] CPU: 1 PID: 2967 Comm: cat Tainted: G D W 5.10.182-cip34 #1 <4>[ 97.240673] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 97.247482] Backtrace: <4>[ 97.250253] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 97.258116] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fdf8 <4>[ 97.264075] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 97.271691] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 97.278944] r9:00000009 r8:c0873b20 r7:0000001f r6:00000009 r5:c0873b20 r4:c1a2419c <4>[ 97.286985] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 97.294758] r7:0000001f r6:c1a2419c r5:c1a24200 r4:c5bf2000 <4>[ 97.300715] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) <4>[ 97.309966] r9:c1ad02b0 r8:c15ebcc8 r7:c5bf3f60 r6:00000017 r5:c60bb000 r4:c5bf2000 <4>[ 97.318015] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) <4>[ 97.327972] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_SATURATED+0x48/0x6c) <4>[ 97.338443] [] (lkdtm_REFCOUNT_DEC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 97.347944] r4:00000036 <4>[ 97.350771] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 97.359075] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 97.367284] r9:c5bf3f60 r8:c5360b40 r7:00000017 r6:b6dff000 r5:c5ad9b80 r4:c0c54b8c <4>[ 97.375329] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 97.383450] r9:c07e0568 r8:c5bf3f60 r7:c2815800 r6:b6dff000 r5:c5ad9b80 r4:00000000 <4>[ 97.391486] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 97.398913] r10:00000004 r9:00000000 r8:00000000 r7:b6dff000 r6:c5bf2000 r5:c5ad9b80 <4>[ 97.407022] r4:c5ad9b80 <4>[ 97.409850] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 97.417278] r9:c5bf2000 r8:c03002e4 r7:00000004 r6:b6f46e00 r5:00000017 r4:00000017 <4>[ 97.425318] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 97.433172] Exception stack(0xc5bf3fa8 to 0xc5bf3ff0) <4>[ 97.438514] 3fa0: 00000017 00000017 00000001 b6dff000 00000017 00000000 <4>[ 97.446984] 3fc0: 00000017 00000017 b6f46e00 00000004 00000001 00000000 00020000 beb49ac4 <4>[ 97.455445] 3fe0: 00000004 beb497f8 b6eb0d8f b6e377e6 <4>[ 97.460912] irq event stamp: 0 <4>[ 97.464279] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 97.470226] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 <4>[ 97.478075] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 <4>[ 97.485864] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 97.491790] ---[ end trace 184820ef97b03c3a ]--- <6>[ 97.496713] lkdtm: Saturation detected: still saturated # [ 97.170484] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 97.176892] lkdtm: attempting bad refcount_dec() from saturated # [ 97.183252] ------------[ cut here ]------------ # [ 97.188314] WARNING: CPU: 1 PID: 2967 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 # [ 97.197049] refcount_t: decrement hit 0; leaking memory. # [ 97.202782] 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 flexcan can_dev parallel_display imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3 # [ 97.232640] CPU: 1 PID: 2967 Comm: cat Tainted: G D W 5.10.182-cip34 #1 # [ 97.240673] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 97.247482] Backtrace: # [ 97.250253] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 97.258116] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fdf8 # [ 97.264075] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 97.271691] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 97.278944] r9:00000009 r8:c0873b20 r7:0000001f r6:00000009 r5:c0873b20 r4:c1a2419c # [ 97.286985] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 97.294758] r7:0000001f r6:c1a2419c r5:c1a24200 r4:c5bf2000 # [ 97.300715] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) # [ 97.309966] r9:c1ad02b0 r8:c15ebcc8 r7:c5bf3f60 r6:00000017 r5:c60bb000 r4:c5bf2000 # [ 97.318015] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) # [ 97.327972] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_SATURATED+0x48/0x6c) # [ 97.338443] [] (lkdtm_REFCOUNT_DEC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 97.347944] r4:00000036 # [ 97.350771] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 97.359075] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 97.367284] r9:c5bf3f60 r8:c5360b40 r7:00000017 r6:b6dff000 r5:c5ad9b80 r4:c0c54b8c # [ 97.375329] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 97.383450] r9:c07e0568 r8:c5bf3f60 r7:c2815800 r6:b6dff000 r5:c5ad9b80 r4:00000000 # [ 97.391486] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 97.398913] r10:00000004 r9:00000000 r8:00000000 r7:b6dff000 r6:c5bf2000 r5:c5ad9b80 # [ 97.407022] r4:c5ad9b80 # [ 97.409850] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 97.417278] r9:c5bf2000 r8:c03002e4 r7:00000004 r6:b6f46e00 r5:00000017 r4:00000017 # [ 97.425318] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 97.433172] Exception stack(0xc5bf3fa8 to 0xc5bf3ff0) # [ 97.438514] 3fa0: 00000017 00000017 00000001 b6dff000 00000017 00000000 # [ 97.446984] 3fc0: 00000017 00000017 b6f46e00 00000004 00000001 00000000 00020000 beb49ac4 # [ 97.455445] 3fe0: 00000004 beb497f8 b6eb0d8f b6e377e6 # [ 97.460912] irq event stamp: 0 # [ 97.464279] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 97.470226] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 # [ 97.478075] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 # [ 97.485864] softirqs last disabled at (0): [<00000000>] 0x0 # [ 97.491790] ---[ end trace 184820ef97b03c3a ]--- # [ 97.496713] 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>[ 98.106820] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED <6>[ 98.113274] lkdtm: attempting bad refcount_dec() from saturated <4>[ 98.119508] ------------[ cut here ]------------ <4>[ 98.124420] WARNING: CPU: 0 PID: 3002 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 <4>[ 98.133205] refcount_t: saturated; leaking memory. <4>[ 98.138312] 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 flexcan can_dev parallel_display imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3 <4>[ 98.167917] CPU: 0 PID: 3002 Comm: cat Tainted: G D W 5.10.182-cip34 #1 <4>[ 98.175932] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 98.182728] Backtrace: <4>[ 98.185466] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 98.193311] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fdf8 <4>[ 98.199251] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 98.206839] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 98.214074] r9:00000009 r8:c0873b88 r7:00000016 r6:00000009 r5:c0873b88 r4:c1a2419c <4>[ 98.222093] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 98.229847] r7:00000016 r6:c1a2419c r5:c1a24174 r4:c64e6000 <4>[ 98.235780] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) <4>[ 98.245011] r9:c1ad02c8 r8:c15ebcc8 r7:c64e7f60 r6:00000017 r5:c6453000 r4:c64e6000 <4>[ 98.253032] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) <4>[ 98.262968] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_SATURATED+0x4c/0x70) <4>[ 98.273420] [] (lkdtm_REFCOUNT_ADD_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 98.282907] r4:00000037 <4>[ 98.285713] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 98.293994] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 98.302185] r9:c64e7f60 r8:c5360b40 r7:00000017 r6:b6e9f000 r5:c5c90000 r4:c0c54b8c <4>[ 98.310208] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 98.318312] r9:c07e0568 r8:c64e7f60 r7:c2815800 r6:b6e9f000 r5:c5c90000 r4:00000000 <4>[ 98.326329] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 98.333739] r10:00000004 r9:00000000 r8:00000000 r7:b6e9f000 r6:c64e6000 r5:c5c90000 <4>[ 98.341835] r4:c5c90000 <4>[ 98.344642] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 98.352050] r9:c64e6000 r8:c03002e4 r7:00000004 r6:b6fe6e00 r5:00000017 r4:00000017 <4>[ 98.360070] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 98.367909] Exception stack(0xc64e7fa8 to 0xc64e7ff0) <4>[ 98.373232] 7fa0: 00000017 00000017 00000001 b6e9f000 00000017 00000000 <4>[ 98.381684] 7fc0: 00000017 00000017 b6fe6e00 00000004 00000001 00000000 00020000 bee34ac4 <4>[ 98.390129] 7fe0: 00000004 bee347f8 b6f50d8f b6ed77e6 <4>[ 98.395534] irq event stamp: 0 <4>[ 98.398903] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 98.404760] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 <4>[ 98.412995] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 <4>[ 98.420854] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 98.426705] ---[ end trace 184820ef97b03c3b ]--- <6>[ 98.431628] lkdtm: Saturation detected: still saturated # [ 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] On node 0 totalpages: 262144 # [ 0.000000] DMA zone: 1536 pages used for memmap # [ 0.000000] DMA zone: 0 pages reserved # [ 0.000000] DMA zone: 196608 pages, LIFO batch:63 # [ 0.000000] HighMem zone: 65536 pages, LIFO batch:15 # [ 0.000000] percpu: Embedded 21 pages/cpu s55468 r8192 d22356 u86016 # [ 0.000000] pcpu-alloc: s55468 r8192 d22356 u86016 alloc=21*4096 # [ 0.000000] pcpu-alloc: [0] 0 [0] 1 [0] 2 [0] 3 # [ 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/10590651/extract-nfsrootfs-4kmfd9k3,tcp,hard console_msg_format=syslog earlycon ip=dhcp # [ 0.000000] Dentry cache hash table entries: 131072 (order: 7, 524288 bytes, linear) # [ 0.000000] Inode-cache hash table entries: 65536 (order: 6, 262144 bytes, linear) # [ 0.000000] mem auto-init: stack:off, heap alloc:off, heap free:off # [ 0.000000] Memory: 921416K/1048576K available (17408K kernel code, 2658K rwdata, 8112K rodata, 2048K init, 6692K bss, 61624K reserved, 65536K cma-reserved, 196608K highmem) # [ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 # [ 0.000000] ftrace: allocating 55481 entries in 163 pages # [ 0.000000] ftrace: allocated 163 pages with 4 groups # [ 0.000000] Running RCU self tests # [ 98.106820] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 98.113274] lkdtm: attempting bad refcount_dec() from saturated # [ 98.119508] ------------[ cut here ]------------ # [ 98.124420] WARNING: CPU: 0 PID: 3002 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 98.133205] refcount_t: saturated; leaking memory. # [ 98.138312] 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 flexcan can_dev parallel_display imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3 # [ 98.167917] CPU: 0 PID: 3002 Comm: cat Tainted: G D W 5.10.182-cip34 #1 # [ 98.175932] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 98.182728] Backtrace: # [ 98.185466] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 98.193311] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fdf8 # [ 98.199251] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 98.206839] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 98.214074] r9:00000009 r8:c0873b88 r7:00000016 r6:00000009 r5:c0873b88 r4:c1a2419c # [ 98.222093] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 98.229847] r7:00000016 r6:c1a2419c r5:c1a24174 r4:c64e6000 # [ 98.235780] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 98.245011] r9:c1ad02c8 r8:c15ebcc8 r7:c64e7f60 r6:00000017 r5:c6453000 r4:c64e6000 # [ 98.253032] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 98.262968] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_SATURATED+0x4c/0x70) # [ 98.273420] [] (lkdtm_REFCOUNT_ADD_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 98.282907] r4:00000037 # [ 98.285713] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 98.293994] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 98.302185] r9:c64e7f60 r8:c5360b40 r7:00000017 r6:b6e9f000 r5:c5c90000 r4:c0c54b8c # [ 98.310208] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 98.318312] r9:c07e0568 r8:c64e7f60 r7:c2815800 r6:b6e9f000 r5:c5c90000 r4:00000000 # [ 98.326329] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 98.333739] r10:00000004 r9:00000000 r8:00000000 r7:b6e9f000 r6:c64e6000 r5:c5c90000 # [ 98.341835] r4:c5c90000 # [ 98.344642] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 98.352050] r9:c64e6000 r8:c03002e4 r7:00000004 r6:b6fe6e00 r5:00000017 r4:00000017 # [ 98.360070] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 98.367909] Exception stack(0xc64e7fa8 to 0xc64e7ff0) # [ 98.373232] 7fa0: 00000017 00000017 00000001 b6e9f000 00000017 00000000 # [ 98.381684] 7fc0: 00000017 00000017 b6fe6e00 00000004 00000001 00000000 00020000 bee34ac4 # [ 98.390129] 7fe0: 00000004 bee347f8 b6f50d8f b6ed77e6 # [ 98.395534] irq event stamp: 0 # [ 98.398903] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 98.404760] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 # [ 98.412995] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 # [ 98.420<6>[ 99.075080] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED 854] softirqs last disabled at (0<6>[ 99.083851] lkdtm: attempting bad refcount_inc_not_zero() from saturated ): [<00000000>] 0x0 # [ 98.426<4>[ 99.093616] ------------[ cut here ]------------ 705] ---[ end trace 184820ef97b03<4>[ 99.101359] WARNING: CPU: 3 PID: 3034 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 c3b ]--- # [ 98.431628] lkdtm:<4>[ 99.112892] refcount_t: saturated; leaking memory. Saturation detected: still satur<4>[ 99.120810] 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 flexcan can_dev parallel_display imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3 ated # REFCOUNT_ADD_SATURATED: s<4>[ 99.152809] CPU: 3 PID: 3034 Comm: cat Tainted: G D W 5.10.182-cip34 #1 aw 'Saturation detected: st[ 99.163584] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) saturated': ok ok 54 selftests:<4>[ 99.172890] Backtrace: lkdtm: REFCOUNT_ADD_SATURATED.sh<4>[ 99.178496] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # selftests: lkdtm: REFCOUNT_IN<4>[ 99.189174] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fdf8 C_NOT_ZERO_SATURATED.sh <4>[ 99.197971] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 99.207714] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 99.214971] r9:00000009 r8:c0873b54 r7:00000013 r6:00000009 r5:c0873b54 r4:c1a2419c <4>[ 99.223016] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 99.230788] r7:00000013 r6:c1a2419c r5:c1a24174 r4:c47a6000 <4>[ 99.236747] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) <4>[ 99.245999] r9:c1ad02e0 r8:c15ebcc8 r7:c47a7f60 r6:00000020 r5:c62b3000 r4:c0000000 <4>[ 99.254049] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) <4>[ 99.264788] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x50/0x88) <4>[ 99.276809] r5:c62b3000 r4:c47a6000 <4>[ 99.280686] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 99.290966] r4:00000038 <4>[ 99.293793] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 99.302096] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 99.310308] r9:c47a7f60 r8:c5360b40 r7:00000020 r6:b6df2000 r5:c5954f00 r4:c0c54b8c <4>[ 99.318354] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 99.326477] r9:c07e0568 r8:c47a7f60 r7:c2815800 r6:b6df2000 r5:c5954f00 r4:00000000 <4>[ 99.334514] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 99.341942] r10:00000004 r9:00000000 r8:00000000 r7:b6df2000 r6:c47a6000 r5:c5954f00 <4>[ 99.350051] r4:c5954f00 <4>[ 99.352879] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 99.360307] r9:c47a6000 r8:c03002e4 r7:00000004 r6:b6f39e00 r5:00000020 r4:00000020 <4>[ 99.368347] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 99.376201] Exception stack(0xc47a7fa8 to 0xc47a7ff0) <4>[ 99.381545] 7fa0: 00000020 00000020 00000001 b6df2000 00000020 00000000 <4>[ 99.390015] 7fc0: 00000020 00000020 b6f39e00 00000004 00000001 00000000 00020000 be8aeac4 <4>[ 99.398477] 7fe0: 00000004 be8ae7f8 b6ea3d8f b6e2a7e6 <4>[ 99.403966] irq event stamp: 0 <4>[ 99.407387] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 99.413275] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 <4>[ 99.421122] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 <4>[ 99.428966] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 99.434867] ---[ end trace 184820ef97b03c3c ]--- <6>[ 99.439902] lkdtm: Saturation detected: still saturated # [ 99.075080] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 99.083851] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 99.093616] ------------[ cut here ]------------ # [ 99.101359] WARNING: CPU: 3 PID: 3034 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 99.112892] refcount_t: saturated; leaking memory. # [ 99.120810] 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 flexcan can_dev parallel_display imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3 # [ 99.152809] CPU: 3 PID: 3034 Comm: cat Tainted: G D W 5.10.182-cip34 #1 # [ 99.163584] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 99.172890] Backtrace: # [ 99.178496] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 99.189174] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fdf8 # [ 99.197971] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 99.207714] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 99.214971] r9:00000009 r8:c0873b54 r7:00000013 r6:00000009 r5:c0873b54 r4:c1a2419c # [ 99.223016] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 99.230788] r7:00000013 r6:c1a2419c r5:c1a24174 r4:c47a6000 # [ 99.236747] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 99.245999] r9:c1ad02e0 r8:c15ebcc8 r7:c47a7f60 r6:00000020 r5:c62b3000 r4:c0000000 # [ 99.254049] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 99.264788] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x50/0x88) # [ 99.276809] r5:c62b3000 r4:c47a6000 # [ 99.280686] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 99.290966] r4:00000038 # [ 99.293793] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 99.302096] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 99.310308] r9:c47a7f60 r8:c5360b40 r7:00000020 r6:b6df2000 r5:c5954f00 r4:c0c54b8c # [ 99.318354] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 99.326477] r9:c07e0568 r8:c47a7f60 r7:c2815800 r6:b6df2000 r5:c5954f00 r4:00000000 # [ 99.334514] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 99.341942] r10:00000004 r9:00000000 r8:00000000 r7:b6df2000 r6:c47a6000 r5:c5954f00 # [ 99.350051] r4:c5954f00 # [ 99.352879] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 99.360307] r9:c47a6000 r8:c03002e4 r7:00000004 r6:b6f39e00 r5:00000020 r4:00000020 # [ 99.368347] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 99.376201] Exception stack(0xc47a7fa8 to 0xc47a7ff0) # [ 99.381545] 7fa0: 00000020 00000020 00000001 b6df2000 00000020 00000000 # [ 99.390015] 7fc0: 00000020 00000020 b6f39e00 00000004 00000001 00000000 00020000 be8aeac4 # [ 99.398477] 7fe0: 00000004 be8ae7f8 b6ea3d8f b6e2a7e6 # [ 99.403966] irq event stamp: 0 # [ 99.407387] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 99.413275] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 # [ 99.421122] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 # [ 99.428966] softirqs last disabled at (0): [<00000000>] 0x0 # [ 99.434867] ---[ end trace 184820ef97b03c3c ]--- # [ 99.439902] lkdtm: Saturation detected: still saturated # REFCOUNT_INC_NOT_ZERO_SATURATED: missing 'call trace:': [FAIL] not ok 55 selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_SATURATED.sh # exit=1 # selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_SATURATED.sh <6>[ 100.041873] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED <6>[ 100.049105] lkdtm: attempting bad refcount_add_not_zero() from saturated <4>[ 100.056084] ------------[ cut here ]------------ <4>[ 100.061033] WARNING: CPU: 0 PID: 3068 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 <4>[ 100.069814] refcount_t: saturated; leaking memory. <4>[ 100.074881] 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 flexcan can_dev parallel_display imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3 <4>[ 100.104486] CPU: 0 PID: 3068 Comm: cat Tainted: G D W 5.10.182-cip34 #1 <4>[ 100.112502] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 100.119300] Backtrace: <4>[ 100.122042] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 100.129886] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fdf8 <4>[ 100.135823] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 100.143416] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 100.150653] r9:00000009 r8:c0873b54 r7:00000013 r6:00000009 r5:c0873b54 r4:c1a2419c <4>[ 100.158673] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 100.166427] r7:00000013 r6:c1a2419c r5:c1a24174 r4:c4762000 <4>[ 100.172363] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) <4>[ 100.181594] r9:c1ad0300 r8:c15ebcc8 r7:c4763f60 r6:00000020 r5:c6456000 r4:c0000000 <4>[ 100.189619] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) <4>[ 100.200334] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x50/0x88) <4>[ 100.212339] r5:c6456000 r4:c4762000 <4>[ 100.216194] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 100.226461] r4:00000039 <4>[ 100.229270] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 100.237553] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 100.245742] r9:c4763f60 r8:c5360b40 r7:00000020 r6:b6e15000 r5:c5c91900 r4:c0c54b8c <4>[ 100.253765] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 100.261867] r9:c07e0568 r8:c4763f60 r7:c2815800 r6:b6e15000 r5:c5c91900 r4:00000000 <4>[ 100.269884] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 100.277292] r10:00000004 r9:00000000 r8:00000000 r7:b6e15000 r6:c4762000 r5:c5c91900 <4>[ 100.285389] r4:c5c91900 <4>[ 100.288197] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 100.295606] r9:c4762000 r8:c03002e4 r7:00000004 r6:b6f5ce00 r5:00000020 r4:00000020 <4>[ 100.303626] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 100.311466] Exception stack(0xc4763fa8 to 0xc4763ff0) <4>[ 100.316790] 3fa0: 00000020 00000020 00000001 b6e15000 00000020 00000000 <4>[ 100.325241] 3fc0: 00000020 00000020 b6f5ce00 00000004 00000001 00000000 00020000 be909ac4 <4>[ 100.333688] 3fe0: 00000004 be9097f8 b6ec6d8f b6e4d7e6 <4>[ 100.339057] irq event stamp: 0 <4>[ 100.342394] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 100.348281] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 <4>[ 100.356046] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 <4>[ 100.363862] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 100.369760] ---[ end trace 184820ef97b03c3d ]--- <6>[ 100.374658] lkdtm: Saturation detected: still saturated # [ 100.041873] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 100.049105] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 100.056084] ------------[ cut here ]------------ # [ 100.061033] WARNING: CPU: 0 PID: 3068 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 100.069814] refcount_t: saturated; leaking memory. # [ 100.074881] 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 flexcan can_dev parallel_display imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3 # [ 100.104486] CPU: 0 PID: 3068 Comm: cat Tainted: G D W 5.10.182-cip34 #1 # [ 100.112502] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 100.119300] Backtrace: # [ 100.122042] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 100.129886] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fdf8 # [ 100.135823] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 100.143416] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 100.150653] r9:00000009 r8:c0873b54 r7:00000013 r6:00000009 r5:c0873b54 r4:c1a2419c # [ 100.158673] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 100.166427] r7:00000013 r6:c1a2419c r5:c1a24174 r4:c4762000 # [ 100.172363] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 100.181594] r9:c1ad0300 r8:c15ebcc8 r7:c4763f60 r6:00000020 r5:c6456000 r4:c0000000 # [ 100.189619] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 100.200334] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x50/0x88) # [ 100.212339] r5:c6456000 r4:c4762000 # [ 100.216194] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 100.226461] r4:00000039 # [ 100.229270] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 100.237553] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 100.245742] r9:c4763f60 r8:c5360b40 r7:00000020 r6:b6e15000 r5:c5c91900 r4:c0c54b8c # [ 100.253765] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 100.261867] r9:c07e0568 r8:c4763f60 r7:c2815800 r6:b6e15000 r5:c5c91900 r4:00000000 # [ 100.269884] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 100.277292] r10:00000004 r9:00000000 r8:00000000 r7:b6e15000 r6:c4762000 r5:c5c91900 # [ 100.285389] r4:c5c91900 # [ 100.288197] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 100.295606] r9:c4762000 r8:c03002e4 r7:00000004 r6:b6f5ce00 r5:00000020 r4:00000020 # [ 100.303626] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 100.311466] Exception stack(0xc4763fa8 to 0xc4763ff0) # [ 100.316790] 3fa0: 00000020 00000020 00000001 b6e15000 00000020 00000000 # [ 100.325241] 3fc0: 00000020 00000020 b6f5ce00 00000004 00000001 00000000 00020000 be909ac4 # [ 100.333688] 3fe0: 00000004 be9097f8 b6ec6d8f b6e4d7e6 # [ 100.339057] irq event stamp: 0 # [ 100.342394] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 100.348281] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 # [ 100.356046] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 # [ 100.363862] softirqs last disabled at (0): [<00000000>] 0x0 # [ 100.369760] ---[ end trace 184820ef97b03c3d ]--- # [ 100.374658] 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>[ 100.988449] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED <6>[ 100.995639] lkdtm: attempting bad refcount_dec_and_test() from saturated <4>[ 101.002702] ------------[ cut here ]------------ <4>[ 101.007689] WARNING: CPU: 3 PID: 3105 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 <4>[ 101.016489] refcount_t: underflow; use-after-free. <4>[ 101.021624] 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 flexcan can_dev parallel_display imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3 <4>[ 101.051113] CPU: 3 PID: 3105 Comm: cat Tainted: G D W 5.10.182-cip34 #1 <4>[ 101.059130] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 101.065925] Backtrace: <4>[ 101.068663] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 101.076506] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fdf8 <4>[ 101.082444] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 101.090033] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 101.097271] r9:00000009 r8:c0873bf0 r7:0000001c r6:00000009 r5:c0873bf0 r4:c1a2419c <4>[ 101.105291] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 101.113045] r7:0000001c r6:c1a2419c r5:c1a241d8 r4:c5b26000 <4>[ 101.118982] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) <4>[ 101.128300] r9:c1ad0320 r8:c15ebcc8 r7:c5b27f60 r6:00000020 r5:c63b1000 r4:c5b26000 <4>[ 101.136322] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) <4>[ 101.147039] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x50/0x88) <4>[ 101.159053] [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 101.169320] r4:0000003a <4>[ 101.172128] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 101.180412] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 101.188601] r9:c5b27f60 r8:c5360b40 r7:00000020 r6:b6dce000 r5:c5a26280 r4:c0c54b8c <4>[ 101.196623] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 101.204724] r9:c07e0568 r8:c5b27f60 r7:c2815800 r6:b6dce000 r5:c5a26280 r4:00000000 <4>[ 101.212740] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 101.220149] r10:00000004 r9:00000000 r8:00000000 r7:b6dce000 r6:c5b26000 r5:c5a26280 <4>[ 101.228246] r4:c5a26280 <4>[ 101.231055] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 101.238463] r9:c5b26000 r8:c03002e4 r7:00000004 r6:b6f15e00 r5:00000020 r4:00000020 <4>[ 101.246484] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 101.254323] Exception stack(0xc5b27fa8 to 0xc5b27ff0) <4>[ 101.259648] 7fa0: 00000020 00000020 00000001 b6dce000 00000020 00000000 <4>[ 101.268099] 7fc0: 00000020 00000020 b6f15e00 00000004 00000001 00000000 00020000 beff4ac4 <4>[ 101.276545] 7fe0: 00000004 beff47f8 b6e7fd8f b6e067e6 <4>[ 101.281937] irq event stamp: 0 <4>[ 101.285277] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 101.291170] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 <4>[ 101.299003] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 <4>[ 101.306784] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 101.312674] ---[ end trace 184820ef97b03c3e ]--- <6>[ 101.317608] lkdtm: Saturation detected: still saturated # [ 100.988449] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 100.995639] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 101.002702] ------------[ cut here ]------------ # [ 101.007689] WARNING: CPU: 3 PID: 3105 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 101.016489] refcount_t: underflow; use-after-free. # [ 101.021624] 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 flexcan can_dev parallel_display imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3 # [ 101.051113] CPU: 3 PID: 3105 Comm: cat Tainted: G D W 5.10.182-cip34 #1 # [ 101.059130] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 101.065925] Backtrace: # [ 101.068663] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 101.076506] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fdf8 # [ 101.082444] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 101.090033] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 101.097271] r9:00000009 r8:c0873bf0 r7:0000001c r6:00000009 r5:c0873bf0 r4:c1a2419c # [ 101.105291] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 101.113045] r7:0000001c r6:c1a2419c r5:c1a241d8 r4:c5b26000 # [ 101.118982] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 101.128300] r9:c1ad0320 r8:c15ebcc8 r7:c5b27f60 r6:00000020 r5:c63b1000 r4:c5b26000 # [ 101.136322] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 101.147039] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x50/0x88) # [ 101.159053] [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 101.169320] r4:0000003a # [ 101.172128] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 101.180412] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 101.188601] r9:c5b27f60 r8:c5360b40 r7:00000020 r6:b6dce000 r5:c5a26280 r4:c0c54b8c # [ 101.196623] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 101.204724] r9:c07e0568 r8:c5b27f60 r7:c2815800 r6:b6dce000 r5:c5a26280 r4:00000000 # [ 101.212740] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 101.220149] r10:00000004 r9:00000000 r8:00000000 r7:b6dce000 r6:c5b26000 r5:c5a26280 # [ 101.228246] r4:c5a26280 # [ 101.231055] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 101.238463] r9:c5b26000 r8:c03002e4 r7:00000004 r6:b6f15e00 r5:00000020 r4:00000020 # [ 101.246484] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 101.254323] Exception stack(0xc5b27fa8 to 0xc5b27ff0) # [ 101.259648] 7fa0: 00000020 00000020 00000001 b6dce000 00000020 00000000 # [ 101.268099] 7fc0: 00000020 00000020 b6f15e00 00000004 00000001 00000000 00020000 beff4ac4 # [ 101.276545] 7fe0: 00000004 beff47f8 b6e7fd8f b6e067e6 # [ 101.281937] irq event stamp: 0 # [ 101.285277] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 101.291170] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 # [ 101.299003] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 # [ 101.306784] softirqs last disabled at (0): [<00000000>] 0x0 # [ 101.312674] ---[ end trace 184820ef97b03c3e ]--- # [ 101.317608] 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>[ 101.903409] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED <6>[ 101.910772] lkdtm: attempting bad refcount_sub_and_test() from saturated <4>[ 101.917909] ------------[ cut here ]------------ <4>[ 101.922854] WARNING: CPU: 2 PID: 3140 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 <4>[ 101.931766] refcount_t: underflow; use-after-free. <4>[ 101.936854] 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 flexcan can_dev parallel_display imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3 <4>[ 101.967018] CPU: 2 PID: 3140 Comm: cat Tainted: G D W 5.10.182-cip34 #1 <4>[ 101.975053] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 101.981865] Backtrace: <4>[ 101.984637] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 101.992499] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fdf8 <4>[ 101.998463] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 102.006078] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 102.013332] r9:00000009 r8:c0873bf0 r7:0000001c r6:00000009 r5:c0873bf0 r4:c1a2419c <4>[ 102.021374] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 102.029145] r7:0000001c r6:c1a2419c r5:c1a241d8 r4:c5962000 <4>[ 102.035103] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) <4>[ 102.044440] r9:c1ad0340 r8:c15ebcc8 r7:c5963f60 r6:00000020 r5:c2c53000 r4:c5962000 <4>[ 102.052485] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) <4>[ 102.063232] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x50/0x88) <4>[ 102.075267] [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 102.085549] r4:0000003b <4>[ 102.088376] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 102.096682] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 102.104891] r9:c5963f60 r8:c5360b40 r7:00000020 r6:b6e60000 r5:c5a10140 r4:c0c54b8c <4>[ 102.112937] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 102.121059] r9:c07e0568 r8:c5963f60 r7:c2815800 r6:b6e60000 r5:c5a10140 r4:00000000 <4>[ 102.129095] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 102.136522] r10:00000004 r9:00000000 r8:00000000 r7:b6e60000 r6:c5962000 r5:c5a10140 <4>[ 102.144631] r4:c5a10140 <4>[ 102.147459] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 102.154887] r9:c5962000 r8:c03002e4 r7:00000004 r6:b6fa7e00 r5:00000020 r4:00000020 <4>[ 102.162927] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 102.170782] Exception stack(0xc5963fa8 to 0xc5963ff0) <4>[ 102.176126] 3fa0: 00000020 00000020 00000001 b6e60000 00000020 00000000 <4>[ 102.184598] 3fc0: 00000020 00000020 b6fa7e00 00000004 00000001 00000000 00020000 bede1ac4 <4>[ 102.193062] 3fe0: 00000004 bede17f8 b6f11d8f b6e987e6 <4>[ 102.198576] irq event stamp: 0 <4>[ 102.201947] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 102.207906] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 <4>[ 102.215741] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 <4>[ 102.223651] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 102.229595] ---[ end trace 184820ef97b03c3f ]--- <6>[ 102.234515] lkdtm: Saturation detected: still saturated # [ 101.903409] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 101.910772] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 101.917909] ------------[ cut here ]------------ # [ 101.922854] WARNING: CPU: 2 PID: 3140 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 101.931766] refcount_t: underflow; use-after-free. # [ 101.936854] 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 flexcan can_dev parallel_display imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3 # [ 101.967018] CPU: 2 PID: 3140 Comm: cat Tainted: G D W 5.10.182-cip34 #1 # [ 101.975053] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 101.981865] Backtrace: # [ 101.984637] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 101.992499] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fdf8 # [ 101.998463] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 102.006078] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 102.013332] r9:00000009 r8:c0873bf0 r7:0000001c r6:00000009 r5:c0873bf0 r4:c1a2419c # [ 102.021374] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 102.029145] r7:0000001c r6:c1a2419c r5:c1a241d8 r4:c5962000 # [ 102.035103] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 102.044440] r9:c1ad0340 r8:c15ebcc8 r7:c5963f60 r6:00000020 r5:c2c53000 r4:c5962000 # [ 102.052485] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 102.063232] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x50/0x88) # [ 102.075267] [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 102.085549] r4:0000003b # [ 102.088376] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 102.096682] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 102.104891] r9:c5963f60 r8:c5360b40 r7:00000020 r6:b6e60000 r5:c5a10140 r4:c0c54b8c # [ 102.112937] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 102.121059] r9:c07e0568 r8:c5963f60 r7:c2815800 r6:b6e60000 r5:c5a10140 r4:00000000 # [ 102.129095] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 102.136522] r10:00000004 r9:00000000 r8:00000000 r7:b6e60000 r6:c5962000 r5:c5a10140 # [ 102.144631] r4:c5a10140 # [ 102.147459] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 102.154887] r9:c5962000 r8:c03002e4 r7:00000004 r6:b6fa7e00 r5:00000020 r4:00000020 # [ 102.162927] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 102.170782] Exception stack(0xc5963fa8 to 0xc5963ff0) # [ 102.176126] 3fa0: 00000020 00000020 00000001 b6e60000 00000020 00000000 # [ 102.184598] 3fc0: 00000020 00000020 b6fa7e00 00000004 00000001 00000000 00020000 bede1ac4 # [ 102.193062] 3fe0: 00000004 bede17f8 b6f11d8f b6e987e6 # [ 102.198576] irq event stamp: 0 # [ 102.201947] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 102.207906] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1944 # [ 102.215741] softirqs last enabled at (0): [] copy_process+0x5f8/0x1944 # [ 102.223651] softirqs last disabled at (0): [<00000000>] 0x0 # [ 102.229595] ---[ end trace 184820ef97b03c3f ]--- # [ 102.234515] 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>[ 103.248756] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO <6>[ 103.255064] lkdtm: attempting good copy_to_user of correct size <6>[ 103.261392] lkdtm: attempting bad copy_to_user of too large size # [ 103.248756] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 103.255064] lkdtm: attempting good copy_to_user of correct size # [ 103.261392] 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>[ 103.822823] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM <6>[ 103.829359] lkdtm: attempting good copy_from_user of correct size <6>[ 103.835753] lkdtm: attempting bad copy_from_user of too large size # [ 103.822823] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 103.829359] lkdtm: attempting good copy_from_user of correct size # [ 103.835753] 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>[ 104.385334] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO <6>[ 104.392254] lkdtm: attempting good copy_to_user inside whitelist <6>[ 104.398760] lkdtm: attempting bad copy_to_user outside whitelist # [ 104.385334] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 104.392254] lkdtm: attempting good copy_to_user inside whitelist # [ 104.398760] 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>[ 104.935459] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM <6>[ 104.942475] lkdtm: attempting good copy_from_user inside whitelist <6>[ 104.949005] lkdtm: attempting bad copy_from_user outside whitelist # [ 104.935459] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 104.942475] lkdtm: attempting good copy_from_user inside whitelist # [ 104.949005] 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>[ 105.497918] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO <6>[ 105.504390] lkdtm: good_stack: c59c5e0c-c59c5e2c <6>[ 105.509327] lkdtm: bad_stack : c59c5d84-c59c5da4 <6>[ 105.514237] lkdtm: attempting good copy_to_user of local stack <6>[ 105.520442] lkdtm: attempting bad copy_to_user of distant stack # [ 105.497918] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 105.504390] lkdtm: good_stack: c59c5e0c-c59c5e2c # [ 105.509327] lkdtm: bad_stack : c59c5d84-c59c5da4 # [ 105.514237] lkdtm: attempting good copy_to_user of local stack # [ 105.520442] 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>[ 106.064717] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM <6>[ 106.071462] lkdtm: good_stack: c478fe0c-c478fe2c <6>[ 106.076358] lkdtm: bad_stack : c478fd84-c478fda4 <6>[ 106.081330] lkdtm: attempting good copy_from_user of local stack <6>[ 106.087685] lkdtm: attempting bad copy_from_user of distant stack # [ 106.064717] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 106.071462] lkdtm: good_stack: c478fe0c-c478fe2c # [ 106.076358] lkdtm: bad_stack : c478fd84-c478fda4 # [ 106.081330] lkdtm: attempting good copy_from_user of local stack # [ 106.087685] 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>[ 106.637726] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND <6>[ 106.644051] lkdtm: good_stack: c5b97e0c-c5b97e2c <6>[ 106.649102] lkdtm: bad_stack : c5b97ffc-c5b9801c <6>[ 106.654043] lkdtm: attempting good copy_to_user of local stack <6>[ 106.660268] lkdtm: attempting bad copy_to_user of distant stack # [ 106.637726] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 106.644051] lkdtm: good_stack: c5b97e0c-c5b97e2c # [ 106.649102] lkdtm: bad_stack : c5b97ffc-c5b9801c # [ 106.654043] lkdtm: attempting good copy_to_user of local stack # [ 106.660268] 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>[ 107.212151] lkdtm: Performing direct entry USERCOPY_KERNEL <6>[ 107.218131] lkdtm: attempting good copy_to_user from kernel rodata: c15ebf74 <6>[ 107.225551] lkdtm: attempting bad copy_to_user from kernel text: c053cb4c <3>[ 107.232715] lkdtm: FAIL: survived bad copy_to_user() # [ 107.212151] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 107.218131] lkdtm: attempting good copy_to_user from kernel rodata: c15ebf74 # [ 107.225551] lkdtm: attempting bad copy_to_user from kernel text: c053cb4c # [ 107.232715] 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>[ 107.794596] lkdtm: Performing direct entry STACKLEAK_ERASING <6>[ 107.800672] lkdtm: checking unused part of the thread stack (7732 bytes)... <3>[ 107.808119] lkdtm: FAIL: the erased part is not found (checked 7732 bytes) <3>[ 107.815293] lkdtm: FAIL: the thread stack is NOT properly erased <4>[ 107.821665] CPU: 1 PID: 3505 Comm: cat Tainted: G D W 5.10.182-cip34 #1 <4>[ 107.829680] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 107.836477] Backtrace: <4>[ 107.839219] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 107.847063] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fdf8 <4>[ 107.853000] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 107.860595] [] (dump_stack) from [] (lkdtm_STACKLEAK_ERASING+0x148/0x174) <4>[ 107.869394] r9:c1ad0448 r8:c15ebcc8 r7:c5bf3f60 r6:c5bf3e34 r5:c5bf2000 r4:0000078d <4>[ 107.877416] [] (lkdtm_STACKLEAK_ERASING) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 107.886472] r8:c15ebcc8 r7:c5bf3f60 r6:00000012 r5:c60bb000 r4:00000046 <4>[ 107.893449] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 107.901733] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 107.909923] r9:c5bf3f60 r8:c5360b40 r7:00000012 r6:b6dcc000 r5:c5f99680 r4:c0c54b8c <4>[ 107.917945] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 107.926049] r9:c07e0568 r8:c5bf3f60 r7:c2815800 r6:b6dcc000 r5:c5f99680 r4:00000000 <4>[ 107.934065] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 107.941474] r10:00000004 r9:00000000 r8:00000000 r7:b6dcc000 r6:c5bf2000 r5:c5f99680 <4>[ 107.949570] r4:c5f99680 <4>[ 107.952379] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 107.959787] r9:c5bf2000 r8:c03002e4 r7:00000004 r6:b6f13e00 r5:00000012 r4:00000012 <4>[ 107.967806] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 107.975646] Exception stack(0xc5bf3fa8 to 0xc5bf3ff0) <4>[ 107.980970] 3fa0: 00000012 00000012 00000001 b6dcc000 00000012 00000000 <4>[ 107.989421] 3fc0: 00000012 00000012 b6f13e00 00000004 00000001 00000000 00020000 bef66ac4 <4>[ 107.997868] 3fe0: 00000004 bef667f8 b6e7dd8f b6e047e6 # [ 107.794596] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 107.800672] lkdtm: checking unused part of the thread stack (7732 bytes)... # [ 107.808119] lkdtm: FAIL: the erased part is not found (checked 7732 bytes) # [ 107.815293] lkdtm: FAIL: the thread stack is NOT properly erased # [ 107.821665] CPU: 1 PID: 3505 Comm: cat Tainted: G D W 5.10.182-cip34 #1 # [ 107.829680] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 107.836477] Backtrace: # [ 107.839219] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 107.847063] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fdf8 # [ 107.853000] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 107.860595] [] (dump_stack) from [] (lkdtm_STACKLEAK_ERASING+0x148/0x174) # [ 107.869394] r9:c1ad0448 r8:c15ebcc8 r7:c5bf3f60 r6:c5bf3e34 r5:c5bf2000 r4:0000078d # [ 107.877416] [] (lkdtm_STACKLEAK_ERASING) from [] (lkdtm_do_action+0x2c/0x4c) # [ 107.886472] r8:c15ebcc8 r7:c5bf3f60 r6:00000012 r5:c60bb000 r4:00000046 # [ 107.893449] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 107.901733] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 107.909923] r9:c5bf3f60 r8:c5360b40 r7:00000012 r6:b6dcc000 r5:c5f99680 r4:c0c54b8c # [ 107.917945] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 107.926049] r9:c07e0568 r8:c5bf3f60 r7:c2815800 r6:b6dcc000 r5:c5f99680 r4:00000000 # [ 107.934065] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 107.941474] r10:00000004 r9:00000000 r8:00000000 r7:b6dcc000 r6:c5bf2000 r5:c5f99680 # [ 107.949570] r4:c5f99680 # [ 107.952379] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 107.959787] r9:c5bf2000 r8:c03002e4 r7:00000004 r6:b6f13e00 r5:00000012 r4:00000012 # [ 107.967806] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 107.975646] Exception stack(0xc5bf3fa8 to 0xc5bf3ff0) # [ 107.980970] 3fa0: 00000012 00000012 00000001 b6dcc000 00000012 00000000 # [ 107.989421] 3fc0: 00000012 00000012 b6f13e00 00000004 00000001 00000000 00020000 bef66ac4 # [ 107.997868] 3fe0: 00000004 bef667f8 b6e7dd8f b6e047e6 # 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>[ 108.576653] lkdtm: Performing direct entry CFI_FORWARD_PROTO <6>[ 108.582735] lkdtm: Calling matched prototype ... <6>[ 108.587743] lkdtm: Calling mismatched prototype ... <6>[ 108.592926] lkdtm: Fail: survived mismatched prototype function call! # [ 108.576653] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 108.582735] lkdtm: Calling matched prototype ... # [ 108.587743] lkdtm: Calling mismatched prototype ... # [ 108.592926] 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 / #