[Enter `^Ec?' for help] U-Boot 2021.10+dfsg-1+apertis10bv2023dev2b2 (Apr 18 2022 - 16:34:49 +0000) CPU: Freescale i.MX6Q rev1.2 at 792 MHz Reset cause: POR Model: Freescale i.MX6 Quad SABRE Lite Board Board: SABRE Lite I2C: ready DRAM: 1 GiB MMC: FSL_SDHC: 0, FSL_SDHC: 1 Loading Environment from SPIFlash... SF: Detected gd25q16 with page size 256 Bytes, erase size 4 KiB, total 2 MiB *** Warning - bad CRC, using default environment In: serial Out: serial Err: serial Net: using phy at 7 FEC [PRIME], usb_ether Error: usb_ether address not set. starting USB... Bus usb@2184000: usb dr_mode not found Bus usb@2184200: USB EHCI 1.00 scanning bus usb@2184000 for devices... 1 USB Device(s) found scanning bus usb@2184200 for devices... 2 USB Device(s) found scanning usb for storage devices... 0 Storage Device(s) found scanning usb for ethernet devices... 0 Ethernet Device(s) found Hit any key to stop autoboot: 3  0 => setenv autoload no setenv autoload no => setenv initrd_high 0xffffffff setenv initrd_high 0xffffffff => setenv fdt_high 0xffffffff setenv fdt_high 0xffffffff => dhcp dhcp BOOTP broadcast 1 DHCP client bound to address 192.168.201.33 (6 ms) => setenv serverip 192.168.201.1 setenv serverip 192.168.201.1 => tftp 0x10000000 11931743/tftp-deploy-tqwyi8sd/kernel/zImage tftp 0x10000000 11931743/tftp-deploy-tqwyi8sd/kernel/zImage Using FEC device TFTP from server 192.168.201.1; our IP address is 192.168.201.33 Filename '11931743/tftp-deploy-tqwyi8sd/kernel/zImage'. Load address: 0x10000000 Loading: *################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ########## 14.1 MiB/s done Bytes transferred = 12542464 (bf6200 hex) => tftp 0x14000000 11931743/tftp-deploy-tqwyi8sd/ramdisk/ramdisk.cpio.gz.uboot tftp 0x14000000 11931743/tftp-deploy-tqwyi8sd/ramdisk/ramdisk.cpio.gz.uboot Using FEC device TFTP from server 192.168.201.1; our IP address is 192.168.201.33 Filename '11931743/tftp-deploy-tqwyi8sd/ramdisk/ramdisk.cpio.gz.uboot'. Load address: 0x14000000 Loading: *################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ###### 14.2 MiB/s done Bytes transferred = 15340924 (ea157c hex) => setenv initrd_size ${filesize} setenv initrd_size ${filesize} => tftp 0x13f00000 11931743/tftp-deploy-tqwyi8sd/dtb/imx6q-sabrelite.dtb tftp 0x13f00000 11931743/tftp-deploy-tqwyi8sd/dtb/imx6q-sabrelite.dtb Using FEC device TFTP from server 192.168.201.1; our IP address is 192.168.201.33 Filename '11931743/tftp-deploy-tqwyi8sd/dtb/imx6q-sabrelite.dtb'. Load address: 0x13f00000 Loading: *### 4.1 MiB/s done Bytes transferred = 42661 (a6a5 hex) => setenv bootargs 'console=ttymxc1,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/11931743/extract-nfsrootfs-4h_3tyha,tcp,hard console_msg_format=syslog earlycon deferred_probe_timeout=60 ip=dhcp' setenv bootargs 'console=ttymxc1,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/11931743/extract-nfsrootfs-4h_3tyha,tcp,hard console_msg_format=syslog earlycon deferred_probe_timeout=60 ip=dhcp' => bootz 0x10000000 0x14000000 0x13f00000 bootz 0x10000000 0x14000000 0x13f00000 Kernel image @ 0x10000000 [ 0x000000 - 0xbf6200 ] ## Loading init Ramdisk from Legacy Image at 14000000 ... Image Name: Image Type: ARM Linux RAMDisk Image (uncompressed) Data Size: 15340860 Bytes = 14.6 MiB Load Address: 00000000 Entry Point: 00000000 Verifying Checksum ... OK ## Flattened Device Tree blob at 13f00000 Booting using the fdt blob at 0x13f00000 Using Device Tree in place at 13f00000, end 13f0d6a4 Starting kernel ... [ 0.000000] Booting Linux on physical CPU 0x0 [ 0.000000] Linux version 5.10.199-cip39 (KernelCI@build-j5174-arm-gcc-10-multi-v7-defconfig-kselftest-7htnq) (arm-linux-gnueabihf-gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Thu Nov 2 15:56:21 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/11931743/extract-nfsrootfs-4h_3tyha,tcp,hard console_msg_format=syslog earlycon deferred_probe_timeout=60 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: 921476K/1048576K available (17408K kernel code, 2714K rwdata, 8140K rodata, 2048K init, 6693K bss, 61564K 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 56128 entries in 165 pages <6>[ 0.000000] ftrace: allocated 165 pages with 4 groups <6>[ 0.000000] Running RCU self tests <6>[ 0.000000] rcu: Hierarchical RCU implementation. <6>[ 0.000000] rcu: RCU event tracing is enabled. <6>[ 0.000000] rcu: RCU lockdep checking is enabled. <6>[ 0.000000] rcu: RCU restricting CPUs from NR_CPUS=16 to nr_cpu_ids=4. <6>[ 0.000000] Rude variant of Tasks RCU enabled. <6>[ 0.000000] Tracing variant of Tasks RCU enabled. <6>[ 0.000000] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. <6>[ 0.000000] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4 <6>[ 0.000000] NR_IRQS: 16, nr_irqs: 16, preallocated irqs: 16 <6>[ 0.000000] L2C-310 errata 752271 769419 enabled <6>[ 0.000000] L2C-310 enabling early BRESP for Cortex-A9 <6>[ 0.000000] L2C-310 full line of zeros enabled for Cortex-A9 <6>[ 0.000000] L2C-310 ID prefetch enabled, offset 16 lines <6>[ 0.000000] L2C-310 dynamic clock gating enabled, standby mode enabled <6>[ 0.000000] L2C-310 cache controller enabled, 16 ways, 1024 kB <6>[ 0.000000] L2C-310: CACHE_ID 0x410000c7, AUX_CTRL 0x76470001 <6>[ 0.000000] Switching to timer-based delay loop, resolution 333ns <6>[ 0.000009] sched_clock: 32 bits at 3000kHz, resolution 333ns, wraps every 715827882841ns <6>[ 0.008446] clocksource: mxc_timer1: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 637086815595 ns <6>[ 0.022908] Console: colour dummy device 80x30 <4>[ 0.024816] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar <4>[ 0.032822] ... MAX_LOCKDEP_SUBCLASSES: 8 <4>[ 0.037165] ... MAX_LOCK_DEPTH: 48 <4>[ 0.041578] ... MAX_LOCKDEP_KEYS: 8192 <4>[ 0.046212] ... CLASSHASH_SIZE: 4096 <4>[ 0.050801] ... MAX_LOCKDEP_ENTRIES: 32768 <4>[ 0.055520] ... MAX_LOCKDEP_CHAINS: 65536 <4>[ 0.060196] ... CHAINHASH_SIZE: 32768 <4>[ 0.064894] memory used by lock dependency info: 4061 kB <4>[ 0.070572] memory used for stack traces: 2112 kB <4>[ 0.075617] per task-struct memory footprint: 1536 bytes <6>[ 0.081307] Calibrating delay loop (skipped), value calculated using timer frequency.. 6.00 BogoMIPS (lpj=30000) <6>[ 0.091720] CPU: Testing write buffer coherency: ok <6>[ 0.096858] CPU0: Spectre v2: using BPIALL workaround <6>[ 0.102132] pid_max: default: 32768 minimum: 301 <6>[ 0.107327] LSM: Security Framework initializing <6>[ 0.111951] LSM support for eBPF active <6>[ 0.116107] Mount-cache hash table entries: 2048 (order: 1, 8192 bytes, linear) <6>[ 0.123551] Mountpoint-cache hash table entries: 2048 (order: 1, 8192 bytes, linear) <6>[ 0.135004] CPU0: thread -1, cpu 0, socket 0, mpidr 80000000 <6>[ 0.141501] Setting up static identity map for 0x10300000 - 0x103000ac <6>[ 0.147884] rcu: Hierarchical SRCU implementation. <6>[ 0.159364] EFI services will not be available. <6>[ 0.162421] smp: Bringing up secondary CPUs ... <6>[ 0.168941] CPU1: thread -1, cpu 1, socket 0, mpidr 80000001 <6>[ 0.168956] CPU1: Spectre v2: using BPIALL workaround <6>[ 0.180698] CPU2: thread -1, cpu 2, socket 0, mpidr 80000002 <6>[ 0.180712] CPU2: Spectre v2: using BPIALL workaround <6>[ 0.192119] CPU3: thread -1, cpu 3, socket 0, mpidr 80000003 <6>[ 0.192134] CPU3: Spectre v2: using BPIALL workaround <6>[ 0.201153] smp: Brought up 1 node, 4 CPUs <6>[ 0.204879] SMP: Total of 4 processors activated (24.00 BogoMIPS). <6>[ 0.211412] CPU: All CPU(s) started in SVC mode. <6>[ 0.218670] devtmpfs: initialized <6>[ 0.265602] VFP support v0.3: implementor 41 architecture 3 part 30 variant 9 rev 4 <6>[ 0.273081] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns <6>[ 0.280954] futex hash table entries: 1024 (order: 4, 65536 bytes, linear) <6>[ 0.292662] pinctrl core: initialized pinctrl subsystem <6>[ 0.301615] DMI not present or invalid. <6>[ 0.305015] NET: Registered protocol family 16 <6>[ 0.317592] DMA: preallocated 256 KiB pool for atomic coherent allocations <6>[ 0.330239] thermal_sys: Registered thermal governor 'step_wise' <6>[ 0.330743] cpuidle: using governor menu <6>[ 0.338863] CPU identified as i.MX6Q, silicon rev 1.2 <6>[ 0.992089] vdd1p1: supplied by regulator-dummy <6>[ 1.021636] vdd3p0: supplied by regulator-dummy <6>[ 1.050777] vdd2p5: supplied by regulator-dummy <6>[ 1.079971] vddarm: supplied by regulator-dummy <6>[ 1.109916] vddpu: supplied by regulator-dummy <6>[ 1.138433] vddsoc: supplied by regulator-dummy <6>[ 2.299450] No ATAGs? <6>[ 2.300203] hw-breakpoint: found 5 (+1 reserved) breakpoint and 1 watchpoint registers. <6>[ 2.307438] hw-breakpoint: maximum watchpoint size is 4 bytes. <6>[ 2.330845] imx6q-pinctrl 20e0000.pinctrl: initialized IMX pinctrl driver <6>[ 2.360545] Serial: AMBA PL011 UART driver <6>[ 2.417516] Kprobes globally optimized <6>[ 2.520116] iommu: Default domain type: Translated <6>[ 2.524328] vgaarb: loaded <5>[ 2.529597] SCSI subsystem initialized <6>[ 2.532741] usbcore: registered new interface driver usbfs <6>[ 2.536755] usbcore: registered new interface driver hub <6>[ 2.542336] usbcore: registered new device driver usb <6>[ 2.554059] i2c i2c-0: IMX I2C adapter registered <6>[ 2.562279] i2c i2c-1: IMX I2C adapter registered <6>[ 2.568340] i2c i2c-2: IMX I2C adapter registered <6>[ 2.574625] pps_core: LinuxPPS API ver. 1 registered <6>[ 2.577023] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <6>[ 2.586554] PTP clock support registered <6>[ 2.605183] clocksource: Switched to clocksource mxc_timer1 <6>[ 4.357546] NET: Registered protocol family 2 <6>[ 4.360074] IP idents hash table entries: 16384 (order: 5, 131072 bytes, linear) <6>[ 4.369977] tcp_listen_portaddr_hash hash table entries: 512 (order: 2, 22528 bytes, linear) <6>[ 4.376048] TCP established hash table entries: 8192 (order: 3, 32768 bytes, linear) <6>[ 4.384036] TCP bind hash table entries: 8192 (order: 6, 327680 bytes, linear) <6>[ 4.392797] TCP: Hash tables configured (established 8192 bind 8192) <6>[ 4.399315] MPTCP token hash table entries: 1024 (order: 3, 49152 bytes, linear) <6>[ 4.405982] UDP hash table entries: 512 (order: 3, 49152 bytes, linear) <6>[ 4.412694] UDP-Lite hash table entries: 512 (order: 3, 49152 bytes, linear) <6>[ 4.420526] NET: Registered protocol family 1 <6>[ 4.427272] RPC: Registered named UNIX socket transport module. <6>[ 4.430670] RPC: Registered udp transport module. <6>[ 4.435705] RPC: Registered tcp transport module. <6>[ 4.440579] RPC: Registered tcp NFSv4.1 backchannel transport module. <6>[ 4.447349] NET: Registered protocol family 44 <6>[ 4.452005] PCI: CLS 0 bytes, default 64 <6>[ 4.458368] Trying to unpack rootfs image as initramfs... <6>[ 6.246298] Freeing initrd memory: 14984K <4>[ 6.248838] hw perfevents: no interrupt-affinity property for /pmu, guessing. <6>[ 6.256522] hw perfevents: enabled with armv7_cortex_a9 PMU driver, 7 counters available <5>[ 6.271500] Initialise system trusted keyrings <6>[ 6.274290] workingset: timestamp_bits=30 max_order=18 bucket_order=0 <6>[ 6.322060] squashfs: version 4.0 (2009/01/31) Phillip Lougher <5>[ 6.328598] NFS: Registering the id_resolver key type <5>[ 6.331211] Key type id_resolver registered <5>[ 6.335618] Key type id_legacy registered <6>[ 6.340285] nfs4filelayout_init: NFSv4 File Layout Driver Registering... <6>[ 6.346867] nfs4flexfilelayout_init: NFSv4 Flexfile Layout Driver Registering... <6>[ 6.354574] ntfs: driver 2.1.32 [Flags: R/O]. <5>[ 6.360842] Key type asymmetric registered <5>[ 6.363446] Asymmetric key parser 'x509' registered <6>[ 6.368876] bounce: pool size: 64 pages <6>[ 6.372690] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 247) <6>[ 6.380356] io scheduler mq-deadline registered <6>[ 6.385028] io scheduler kyber registered <4>[ 6.390136] test_firmware: interface ready <6>[ 6.551249] mxs-dma 110000.dma-controller: initialized <4>[ 6.611257] imx-sdma 20ec000.dma-controller: Direct firmware load for imx/sdma/sdma-imx6q.bin failed with error -2 <6>[ 6.619366] imx-sdma 20ec000.dma-controller: external firmware not found, using ROM firmware <6>[ 6.825389] Serial: 8250/16550 driver, 5 ports, IRQ sharing enabled <6>[ 6.847256] SuperH (H)SCI(F) driver initialized <6>[ 6.851870] 2020000.serial: ttymxc0 at MMIO 0x2020000 (irq = 34, base_baud = 5000000) is a IMX <6>[ 6.862692] 21e8000.serial: ttymxc1 at MMIO 0x21e8000 (irq = 81, base_baud = 5000000) is a IMX <6>[ 6.869248] printk: console [ttymxc1] enabled <6>[ 6.869248] printk: console [ttymxc1] enabled <6>[ 6.878034] printk: bootconsole [ec_imx21] disabled <6>[ 6.878034] printk: bootconsole [ec_imx21] disabled <6>[ 6.894012] msm_serial: driver initialized <6>[ 6.899455] STMicroelectronics ASC driver initialized <6>[ 6.910774] STM32 USART driver initialized <6>[ 6.935774] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 0 <4>[ 6.956014] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 6.964576] panel-simple panel-lcd: Specify missing connector_type <4>[ 6.972493] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 7.020904] brd: module loaded <6>[ 7.065578] loop: module loaded <6>[ 7.071753] lkdtm: No crash points registered, enable through debugfs <6>[ 7.092515] ahci-imx 2200000.sata: fsl,transmit-level-mV not specified, using 00000024 <6>[ 7.100800] ahci-imx 2200000.sata: fsl,transmit-boost-mdB not specified, using 00000480 <6>[ 7.109151] ahci-imx 2200000.sata: fsl,transmit-atten-16ths not specified, using 00002000 <6>[ 7.117674] ahci-imx 2200000.sata: fsl,receive-eq-mdB not specified, using 05000000 <4>[ 7.125938] ahci-imx 2200000.sata: supply ahci not found, using dummy regulator <4>[ 7.134315] ahci-imx 2200000.sata: supply phy not found, using dummy regulator <4>[ 7.142276] ahci-imx 2200000.sata: supply target not found, using dummy regulator <6>[ 7.153793] ahci-imx 2200000.sata: SSS flag set, parallel bus scan disabled <6>[ 7.161157] ahci-imx 2200000.sata: AHCI 0001.0300 32 slots 1 ports 3 Gbps 0x1 impl platform mode <6>[ 7.170318] ahci-imx 2200000.sata: flags: ncq sntf stag pm led clo only pmp pio slum part ccc apst <6>[ 7.184471] scsi host0: ahci-imx <6>[ 7.190113] ata1: SATA max UDMA/133 mmio [mem 0x02200000-0x02203fff] port 0x100 irq 84 <6>[ 7.249218] bgmac_bcma: Broadcom 47xx GBit MAC driver loaded <6>[ 7.262475] pps pps0: new PPS source ptp0 <6>[ 7.306383] fec 2188000.ethernet eth0: registered PHC device 0 <6>[ 7.316949] e1000e: Intel(R) PRO/1000 Network Driver <6>[ 7.322207] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. <6>[ 7.328672] igb: Intel(R) Gigabit Ethernet Network Driver <6>[ 7.334362] igb: Copyright (c) 2007-2014 Intel Corporation. <6>[ 7.360243] pegasus: v0.9.3 (2013/04/25), Pegasus/Pegasus II USB Ethernet driver <6>[ 7.368116] usbcore: registered new interface driver pegasus <6>[ 7.374265] usbcore: registered new interface driver asix <6>[ 7.380130] usbcore: registered new interface driver ax88179_178a <6>[ 7.386682] usbcore: registered new interface driver cdc_ether <6>[ 7.392987] usbcore: registered new interface driver smsc75xx <6>[ 7.399246] usbcore: registered new interface driver smsc95xx <6>[ 7.405462] usbcore: registered new interface driver net1080 <6>[ 7.411552] usbcore: registered new interface driver cdc_subset <6>[ 7.417934] usbcore: registered new interface driver zaurus <6>[ 7.424013] usbcore: registered new interface driver cdc_ncm <6>[ 7.441680] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver <6>[ 7.448614] ehci-pci: EHCI PCI platform driver <6>[ 7.453484] ehci-platform: EHCI generic platform driver <6>[ 7.459971] ehci-orion: EHCI orion driver <6>[ 7.465082] SPEAr-ehci: EHCI SPEAr driver <6>[ 7.470203] ehci-st: EHCI STMicroelectronics driver <6>[ 7.476183] ehci-exynos: EHCI Exynos driver <6>[ 7.481424] ehci-atmel: EHCI Atmel driver <6>[ 7.486528] tegra-ehci: Tegra EHCI driver <6>[ 7.491629] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver <6>[ 7.498206] ohci-pci: OHCI PCI platform driver <6>[ 7.503087] ohci-platform: OHCI generic platform driver <6>[ 7.509513] SPEAr-ohci: OHCI SPEAr driver <6>[ 7.514582] ohci-st: OHCI STMicroelectronics driver <6>[ 7.520568] ohci-atmel: OHCI Atmel driver <6>[ 7.527787] ata1: SATA link down (SStatus 0 SControl 300) <6>[ 7.528878] usbcore: registered new interface driver usb-storage <6>[ 7.533808] ahci-imx 2200000.sata: no device found, disabling link. <6>[ 7.546457] ahci-imx 2200000.sata: pass ahci_imx..hotplug=1 to enable hotplug <6>[ 7.569615] i2c /dev entries driver <6>[ 7.647974] sdhci: Secure Digital Host Controller Interface driver <6>[ 7.654450] sdhci: Copyright(c) Pierre Ossman <6>[ 7.667996] Synopsys Designware Multimedia Card Interface Driver <6>[ 7.681012] sdhci-pltfm: SDHCI platform and OF driver helper <6>[ 7.690508] sdhci-esdhc-imx 219c000.mmc: Got CD GPIO <6>[ 7.690514] sdhci-esdhc-imx 2198000.mmc: Got CD GPIO <6>[ 7.701302] sdhci-esdhc-imx 2198000.mmc: Got WP GPIO <6>[ 7.708342] ledtrig-cpu: registered to indicate activity on CPUs <6>[ 7.718127] usbcore: registered new interface driver usbhid <6>[ 7.723992] usbhid: USB HID core driver <6>[ 7.728917] mmc3: SDHCI controller on 219c000.mmc [219c000.mmc] using ADMA <6>[ 7.741680] mmc2: SDHCI controller on 2198000.mmc [2198000.mmc] using ADMA <6>[ 7.750869] ipip: IPv4 and MPLS over IPv4 tunneling driver <6>[ 7.758937] IPv4 over IPsec tunneling driver <6>[ 7.767949] NET: Registered protocol family 10 <6>[ 7.778058] Segment Routing with IPv6 <6>[ 7.787632] NET: Registered protocol family 17 <6>[ 7.790369] mmc2: new high speed SDHC card at address aaaa <6>[ 7.793844] 8021q: 802.1Q VLAN Support v1.8 <6>[ 7.801842] mmcblk2: mmc2:aaaa SL16G 14.8 GiB <5>[ 7.803658] Key type dns_resolver registered <4>[ 7.824508] GPT:Primary header thinks Alt. header is not at the end of the disk. <6>[ 7.826060] ThumbEE CPU extension supported. <4>[ 7.832431] GPT:29296874 != 31116287 <5>[ 7.836988] Registering SWP/SWPB emulation handler <4>[ 7.840798] GPT:Alternate GPT header not at the end of the disk. <5>[ 7.847162] Loading compiled-in X.509 certificates <4>[ 7.852255] GPT:29296874 != 31116287 <4>[ 7.852285] GPT: Use GNU Parted to correct GPT errors. <6>[ 7.866759] mmcblk2: p1 p2 p3 <4>[ 8.007798] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 8.016338] panel-simple panel-lcd: Specify missing connector_type <4>[ 8.028963] panel-simple panel-lvds0: supply power not found, using dummy regulator <4>[ 8.064834] imx_usb 2184200.usb: No over current polarity defined <6>[ 8.079905] ci_hdrc ci_hdrc.1: EHCI Host Controller <6>[ 8.085468] ci_hdrc ci_hdrc.1: new USB bus registered, assigned bus number 1 <6>[ 8.115677] ci_hdrc ci_hdrc.1: USB 2.0 started, EHCI 1.00 <6>[ 8.134738] hub 1-0:1.0: USB hub found <6>[ 8.139358] hub 1-0:1.0: 1 port detected <6>[ 8.154275] imx_thermal 20c8000.anatop:tempmon: Automotive CPU temperature grade - max:125C critical:120C passive:115C <4>[ 8.184800] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 8.193294] panel-simple panel-lcd: Specify missing connector_type <4>[ 8.205879] panel-simple panel-lvds0: supply power not found, using dummy regulator <4>[ 8.233767] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 8.242315] panel-simple panel-lcd: Specify missing connector_type <4>[ 8.254834] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 8.271816] input: gpio-keys as /devices/platform/gpio-keys/input/input0 <4>[ 8.300798] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 8.309247] panel-simple panel-lcd: Specify missing connector_type <4>[ 8.321902] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 8.343360] Micrel KSZ9021 Gigabit PHY 2188000.ethernet-1:07: attached PHY driver [Micrel KSZ9021 Gigabit PHY] (mii_bus:phy_addr=2188000.ethernet-1:07, irq=POLL) <6>[ 8.505528] usb 1-1: new high-speed USB device number 2 using ci_hdrc <6>[ 8.713895] hub 1-1:1.0: USB hub found <6>[ 8.718879] hub 1-1:1.0: 3 ports detected <4>[ 8.748112] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 8.756586] panel-simple panel-lcd: Specify missing connector_type <4>[ 8.769334] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 11.457087] fec 2188000.ethernet eth0: Link is Up - 1Gbps/Full - flow control off <6>[ 11.476455] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready <5>[ 11.505247] Sending DHCP requests ., OK <6>[ 11.549968] IP-Config: Got DHCP answer from 192.168.201.1, my address is 192.168.201.33 <6>[ 11.558428] IP-Config: Complete: <6>[ 11.561995] device=eth0, hwaddr=00:19:b8:08:f1:13, ipaddr=192.168.201.33, mask=255.255.255.0, gw=192.168.201.1 <6>[ 11.572771] host=imx6q-sabrelite-lava-cbg-3, domain=lava-rack, nis-domain=(none) <6>[ 11.580914] bootserver=192.168.201.1, rootserver=192.168.201.1, rootpath= <6>[ 11.580930] nameserver0=192.168.201.1 <6>[ 11.637000] Freeing unused kernel memory: 2048K <6>[ 11.646069] Run /init as init process Loading, please wait... Starting version 247.3-7+deb11u2 <6>[ 15.125608] imx-ipuv3 2400000.ipu: IPUv3H probed <6>[ 15.153750] imx-ipuv3 2800000.ipu: IPUv3H probed <4>[ 15.161543] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 15.171493] panel-simple panel-lcd: Specify missing connector_type <4>[ 15.193802] panel-simple panel-lvds0: supply power not found, using dummy regulator <4>[ 15.225934] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 15.240099] panel-simple panel-lcd: Specify missing connector_type <6>[ 15.253139] CAN device driver interface <4>[ 15.262919] panel-simple panel-lvds0: supply power not found, using dummy regulator <4>[ 15.293381] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 15.301953] panel-simple panel-lcd: Specify missing connector_type <6>[ 15.311897] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) <4>[ 15.320855] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 15.321054] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) <6>[ 15.337850] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) <6>[ 15.346812] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) <4>[ 15.349390] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 15.370316] panel-simple panel-lcd: Specify missing connector_type <4>[ 15.393455] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 15.481395] caam 2100000.crypto: Entropy delay = 3200 <6>[ 15.547693] caam 2100000.crypto: Instantiated RNG4 SH0 <6>[ 15.608463] caam 2100000.crypto: Instantiated RNG4 SH1 <6>[ 15.613922] caam 2100000.crypto: device ID = 0x0a16010000000000 (Era 4) <6>[ 15.620896] caam 2100000.crypto: job rings = 2, qi = 0 <4>[ 15.622894] usb_phy_generic usbphynop1: supply vcc not found, using dummy regulator <4>[ 15.635057] usb_phy_generic usbphynop1: dummy supplies not allowed for exclusive requests <4>[ 15.644178] usb_phy_generic usbphynop2: supply vcc not found, using dummy regulator <4>[ 15.652848] usb_phy_generic usbphynop2: dummy supplies not allowed for exclusive requests <6>[ 15.673463] etnaviv etnaviv: bound 130000.gpu (ops gpu_ops [etnaviv]) <6>[ 15.687198] sgtl5000 0-000a: sgtl5000 revision 0x11 <6>[ 15.692854] etnaviv etnaviv: bound 134000.gpu (ops gpu_ops [etnaviv]) <6>[ 15.730644] etnaviv etnaviv: bound 2204000.gpu (ops gpu_ops [etnaviv]) <6>[ 15.737626] etnaviv-gpu 130000.gpu: model: GC2000, revision: 5108 <6>[ 15.745172] sgtl5000 0-000a: Using internal LDO instead of VDDD: check ER1 erratum <6>[ 15.745620] etnaviv-gpu 134000.gpu: model: GC320, revision: 5007 <6>[ 15.760127] etnaviv-gpu 2204000.gpu: model: GC355, revision: 1215 <6>[ 15.766702] etnaviv-gpu 2204000.gpu: Ignoring GPU with VG and FE2.0 <6>[ 15.776488] [drm] Initialized etnaviv 1.3.0 20151214 for etnaviv on minor 1 <6>[ 15.793046] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) <6>[ 15.802052] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) <6>[ 15.810986] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) <6>[ 15.819917] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) <4>[ 15.856461] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 15.866502] panel-simple panel-lcd: Specify missing connector_type <4>[ 15.881867] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 15.942384] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) <6>[ 15.951542] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) <6>[ 15.960702] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) <6>[ 15.969724] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) <4>[ 15.988305] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 15.996915] panel-simple panel-lcd: Specify missing connector_type <4>[ 16.011476] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 16.492998] caam algorithms registered in /proc/crypto <6>[ 16.503305] caam 2100000.crypto: registering rng-caam <6>[ 16.533852] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) <6>[ 16.542559] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) <6>[ 16.551320] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) <6>[ 16.559968] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) <4>[ 16.573896] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 16.582467] panel-simple panel-lcd: Specify missing connector_type <4>[ 16.595668] panel-simple panel-lvds0: supply power not found, using dummy regulator 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. <5>[ 16.692385] random: crng init done IP-Config: eth0 hardware address 00:19:b8:08:f1:13 mtu 1500 DHCP IP-Config: eth0 complete (dhcp from 192.168.201.1): address: 192.168.201.33 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-3 domain : lava-rack rootserver: 192.168.201.1 rootpath: filename : done. Begin: Running /scripts/nfs-bottom ... done. Begin: Running /scripts/init-bottom ... done. <30>[ 18.565201] systemd[1]: System time before build time, advancing clock. <30>[ 18.791297] 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>[ 18.819788] systemd[1]: Detected architecture arm. Welcome to Debian GNU/Linux 11 (bullseye)! <30>[ 18.881982] systemd[1]: Set hostname to . <30>[ 20.446867] systemd[1]: Queued start job for default target Graphical Interface. <30>[ 20.462534] systemd[1]: Created slice system-getty.slice. [ OK ] Created slice system-getty.slice. <30>[ 20.507766] systemd[1]: Created slice system-modprobe.slice. [ OK ] Created slice system-modprobe.slice. <30>[ 20.550184] systemd[1]: Created slice system-serial\x2dgetty.slice. [ OK ] Created slice system-serial\x2dgetty.slice. <30>[ 20.599468] systemd[1]: Created slice User and Session Slice. [ OK ] Created slice User and Session Slice. <30>[ 20.649404] systemd[1]: Started Dispatch Password Requests to Console Directory Watch. [ OK ] Started Dispatch Password …ts to Console Directory Watch. <30>[ 20.698630] systemd[1]: Started Forward Password Requests to Wall Directory Watch. [ OK ] Started Forward Password R…uests to Wall Directory Watch. <30>[ 20.746940] systemd[1]: Condition check resulted in Arbitrary Executable File Formats File System Automount Point being skipped. <30>[ 20.760890] systemd[1]: Reached target Local Encrypted Volumes. [ OK ] Reached target Local Encrypted Volumes. <30>[ 20.807488] systemd[1]: Reached target Paths. [ OK ] Reached target Paths. <30>[ 20.845691] systemd[1]: Reached target Remote File Systems. [ OK ] Reached target Remote File Systems. <30>[ 20.886101] systemd[1]: Reached target Slices. [ OK ] Reached target Slices. <30>[ 20.926277] systemd[1]: Reached target Swap. [ OK ] Reached target Swap. <30>[ 20.970460] systemd[1]: Listening on initctl Compatibility Named Pipe. [ OK ] Listening on initctl Compatibility Named Pipe. <30>[ 21.066965] systemd[1]: Condition check resulted in Journal Audit Socket being skipped. <30>[ 21.081312] systemd[1]: Listening on Journal Socket (/dev/log). [ OK ] Listening on Journal Socket (/dev/log). <30>[ 21.131444] systemd[1]: Listening on Journal Socket. [ OK ] Listening on Journal Socket. <30>[ 21.169352] systemd[1]: Listening on Network Service Netlink Socket. [ OK ] Listening on Network Service Netlink Socket. <30>[ 21.236028] systemd[1]: Listening on udev Control Socket. [ OK ] Listening on udev Control Socket. <30>[ 21.280477] systemd[1]: Listening on udev Kernel Socket. [ OK ] Listening on udev Kernel Socket. <30>[ 21.329315] systemd[1]: Condition check resulted in Huge Pages File System being skipped. <30>[ 21.340509] systemd[1]: Condition check resulted in POSIX Message Queue File System being skipped. <30>[ 21.362157] systemd[1]: Mounting Kernel Debug File System... Mounting Kernel Debug File System... <30>[ 21.407206] systemd[1]: Mounting Kernel Trace File System... Mounting Kernel Trace File System... <30>[ 21.456421] systemd[1]: Starting Create list of static device nodes for the current kernel... Starting Create list of st…odes for the current kernel... <30>[ 21.519836] systemd[1]: Starting Load Kernel Module configfs... Starting Load Kernel Module configfs... <30>[ 21.568647] systemd[1]: Starting Load Kernel Module drm... Starting Load Kernel Module drm... <30>[ 21.627850] systemd[1]: Starting Load Kernel Module fuse... Starting Load Kernel Module fuse... <30>[ 21.722757] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped. <6>[ 21.744604] fuse: init (API version 7.32) <30>[ 21.754703] systemd[1]: Starting Journal Service... Starting Journal Service... <30>[ 21.828626] systemd[1]: Starting Load Kernel Modules... Starting Load Kernel Modules... <30>[ 21.876985] systemd[1]: Starting Remount Root and Kernel File Systems... Starting Remount Root and Kernel File Systems... <30>[ 21.934326] systemd[1]: Starting Coldplug All udev Devices... Starting Coldplug All udev Devices... <30>[ 21.970405] systemd[1]: Mounted Kernel Debug File System. [ OK ] Mounted Kernel Debug File System. <30>[ 22.018593] systemd[1]: Mounted Kernel Trace File System. [ OK ] Mounted Kernel Trace File System. <30>[ 22.075640] 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>[ 22.167903] systemd[1]: modprobe@configfs.service: Succeeded. <30>[ 22.178181] systemd[1]: Finished Load Kernel Module configfs. [ OK ] Finished Load Kernel Module configfs. <30>[ 22.230553] systemd[1]: modprobe@drm.service: Succeeded. <30>[ 22.240377] systemd[1]: Finished Load Kernel Module drm. [ OK ] Finished Load Kernel Module drm. <30>[ 22.290612] systemd[1]: modprobe@fuse.service: Succeeded. <30>[ 22.301064] systemd[1]: Finished Load Kernel Module fuse. [ OK ] Finished Load Kernel Module fuse. <30>[ 22.350394] systemd[1]: Finished Load Kernel Modules. [ OK ] Finished Load Kernel Modules. <30>[ 22.400238] systemd[1]: Finished Remount Root and Kernel File Systems. [ OK ] Finished Remount Root and Kernel File Systems. <30>[ 22.447064] systemd[1]: Started Journal Service. [ OK ] Started Journal Service. Mounting FUSE Control File System... Mounting Kernel Configuration File System... Starting Flush Journal to Persistent Storage... Starting Load/Save Random Seed... Starting Apply Kernel Variables... <46>[ 22.718980] systemd-journald[293]: Received client request to flush runtime journal. Starting Create System Users... [ 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 Create Static Device Nodes in /dev... [ OK ] Finished Flush Journal to Persistent Storage. [ OK ] Finished Create Static Device Nodes in /dev. [ OK ] Reached target Local File Systems (Pre). [ OK ] Reached target Local File Systems. Starting Create Volatile Files and Directories... Starting Rule-based Manage…for Device Events and Files... [ 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 ] Finished Update UTMP about System Boot/Shutdown. [ OK ] Started Network Service. Starting Network Name Resolution... [ OK ] Started Network Time Synchronization. [ OK ] Reached target System Time Set. [ OK ] Reached target System Time Synchronized. [ OK ] Finished Coldplug All udev Devices. [ OK ] Started Network Name Resolution. [ OK ] Reached target Network. [ OK ] Reached target Host and Network Name Lookups. [ 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 ] Reached target Hardware activated USB gadget. [ 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 ] Finished Remove Stale Onli…ext4 Metadata Check Snapshots. [ OK ] Started User Login Management. [ OK ] Listening on Load/Save RF …itch Status /dev/rfkill Watch. [ OK ] Started Getty on tty1. [ OK ] Started Serial Getty on ttymxc1. [ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Finished Update UTMP about System Runlevel Changes. Debian GNU/Linux 11 debian-bullseye-armhf ttymxc1 debian-bullseye-armhf login: root (automatic login) Linux debian-bullseye-armhf 5.10.199-cip39 #1 SMP Thu Nov 2 15:56:21 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/11931743/extract-nfsrootfs-4h_3tyha' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/11931743/extract-nfsrootfs-4h_3tyha' / # 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-11931743/environment . /lava-11931743/environment / # /lava-11931743/bin/lava-test-runner /lava-11931743/0 /lava-11931743/bin/lava-test-runner /lava-11931743/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-11931743/0/tests/0_timesync-off ++ cat uuid + UUID=11931743_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-11931743/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=11931743_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/v5.10.194-cip39-915-g96fa7f16cf02/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 --2023-11-02 16:13:52-- http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.194-cip39-915-g96fa7f16cf02/arm/multi_v7_defconfig+kselftest/gcc-10/kselftest.tar.xz Resolving storage.kernelci.org (storage.kernelci.org)... 20.171.243.82 Connecting to storage.kernelci.org (storage.kernelci.org)|20.171.243.82|:80... connected. HTTP request sent, awaiting response... 200 OK Length: 1410556 (1.3M) [application/octet-stream] Saving to: 'kselftest.tar.xz' kselftest.tar.xz 0%[ ] 0 --.-KB/s kselftest.tar.xz 3%[ ] 48.74K 127KB/s kselftest.tar.xz 8%[> ] 123.68K 193KB/s kselftest.tar.xz 15%[==> ] 211.35K 235KB/s kselftest.tar.xz 19%[==> ] 268.40K 233KB/s kselftest.tar.xz 23%[===> ] 329.21K 233KB/s kselftest.tar.xz 28%[====> ] 392.84K 235KB/s kselftest.tar.xz 33%[=====> ] 460.71K 239KB/s kselftest.tar.xz 38%[======> ] 527.17K 241KB/s kselftest.tar.xz 43%[=======> ] 598.81K 245KB/s kselftest.tar.xz 46%[========> ] 641.23K 237KB/s kselftest.tar.xz 52%[=========> ] 720.90K 243KB/s kselftest.tar.xz 55%[==========> ] 766.15K 238KB/s eta 3s kselftest.tar.xz 58%[==========> ] 807.16K 232KB/s eta 3s kselftest.tar.xz 62%[===========> ] 854.75K 229KB/s eta 3s kselftest.tar.xz 65%[============> ] 900.49K 225KB/s eta 3s kselftest.tar.xz 68%[============> ] 948.08K 232KB/s eta 2s kselftest.tar.xz 71%[=============> ] 980.60K 217KB/s eta 2s kselftest.tar.xz 74%[=============> ] 1.00M 211KB/s eta 2s kselftest.tar.xz 77%[==============> ] 1.04M 206KB/s eta 2s kselftest.tar.xz 80%[===============> ] 1.08M 206KB/s eta 2s kselftest.tar.xz 82%[===============> ] 1.12M 200KB/s eta 1s kselftest.tar.xz 86%[================> ] 1.16M 196KB/s eta 1s kselftest.tar.xz 89%[================> ] 1.20M 197KB/s eta 1s kselftest.tar.xz 92%[=================> ] 1.24M 193KB/s eta 1s kselftest.tar.xz 95%[==================> ] 1.29M 190KB/s eta 1s kselftest.tar.xz 99%[==================> ] 1.33M 185KB/s eta 0s kselftest.tar.xz 100%[===================>] 1.34M 188KB/s in 6.6s 2023-11-02 16:13:59 (208 KB/s) - 'kselftest.tar.xz' saved [1410556/1410556] 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 =============== shardfile-lkdtm pass <12>[ 59.880076] 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>[ 60.853653] lkdtm: Performing direct entry BUG <4>[ 60.858997] ------------[ cut here ]------------ <2>[ 60.863900] kernel BUG at drivers/misc/lkdtm/bugs.c:76! <0>[ 60.869395] Internal error: Oops - BUG: 0 [#1] SMP ARM <4>[ 60.874802] 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 imx_ldb can_dev etnaviv dw_hdmi_imx dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 <4>[ 60.904143] CPU: 0 PID: 720 Comm: cat Not tainted 5.10.199-cip39 #1 <4>[ 60.910678] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 60.917484] PC is at lkdtm_BUG+0x14/0x18 <4>[ 60.921678] LR is at lkdtm_do_action+0x2c/0x4c <4>[ 60.926392] pc : [] lr : [] psr: a00e0013 <4>[ 60.932928] sp : c5953e58 ip : c5953e68 fp : c5953e64 <4>[ 60.938422] r10: 00000004 r9 : c1ad510c r8 : c15ebbf4 <4>[ 60.943916] r7 : c5953f60 r6 : 00000004 r5 : c6b22000 r4 : 00000001 <4>[ 60.950712] r3 : c0c56e64 r2 : 2f355373 r1 : ef7815e0 r0 : c15ebbfc <4>[ 60.957508] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 60.964912] Control: 10c5387d Table: 16eb404a DAC: 00000051 <0>[ 60.970928] Process cat (pid: 720, stack limit = 0x54f430f0) <0>[ 60.976855] Stack: (0xc5953e58 to 0xc5954000) <0>[ 60.981483] 3e40: c5953e74 c5953e68 <0>[ 60.989933] 3e60: c0c568f8 c0c56e70 c5953e9c c5953e78 c0c56df8 c0c568d8 c0c56cd8 c5a45e00 <0>[ 60.998381] 3e80: b6e6e000 00000004 c30bfd80 c5953f60 c5953ec4 c5953ea0 c07e1338 c0c56ce4 <0>[ 61.006831] 3ea0: 00000000 c5a45e00 b6e6e000 c2815800 c5953f60 c07e12d4 c5953f5c c5953ec8 <0>[ 61.015281] 3ec0: c059b86c c07e12e0 00000001 00000000 c059be18 c13dbdd0 c059be18 c5952000 <0>[ 61.023730] 3ee0: b6e6e000 00020000 00000004 00000004 0001fffc c5953ee0 00000001 b6e6d000 <0>[ 61.032178] 3f00: c6a7e500 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 61.040628] 3f20: 00000000 00000000 c13dbdd0 2f355373 c206c0e0 c5a45e00 c5a45e00 c5952000 <0>[ 61.049076] 3f40: b6e6e000 00000000 00000000 00000004 c5953f94 c5953f60 c059be18 c059b76c <0>[ 61.057526] 3f60: 00000000 00000000 c5953fac 2f355373 00000004 00000004 b6fb5e00 00000004 <0>[ 61.065975] 3f80: c03002e4 c5952000 c5953fa4 c5953f98 c059bea8 c059bdb0 00000000 c5953fa8 <0>[ 61.074425] 3fa0: c03000c0 c059be9c 00000004 00000004 00000001 b6e6e000 00000004 00000000 <0>[ 61.082875] 3fc0: 00000004 00000004 b6fb5e00 00000004 00000001 00000000 00020000 bec26ac4 <0>[ 61.091322] 3fe0: 00000004 bec267f8 b6f1fd8f b6ea67e6 800e0030 00000001 00000000 00000000 <0>[ 61.099765] Backtrace: <0>[ 61.102496] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 61.110341] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 61.118628] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 61.126819] r9:c5953f60 r8:c30bfd80 r7:00000004 r6:b6e6e000 r5:c5a45e00 r4:c0c56cd8 <0>[ 61.134841] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 61.142944] r9:c07e12d4 r8:c5953f60 r7:c2815800 r6:b6e6e000 r5:c5a45e00 r4:00000000 <0>[ 61.150962] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 61.158371] r10:00000004 r9:00000000 r8:00000000 r7:b6e6e000 r6:c5952000 r5:c5a45e00 <0>[ 61.166467] r4:c5a45e00 <0>[ 61.169278] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 61.176686] r9:c5952000 r8:c03002e4 r7:00000004 r6:b6fb5e00 r5:00000004 r4:00000004 <0>[ 61.184707] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 61.192544] Exception stack(0xc5953fa8 to 0xc5953ff0) <0>[ 61.197866] 3fa0: 00000004 00000004 00000001 b6e6e000 00000004 00000000 <0>[ 61.206315] 3fc0: 00000004 00000004 b6fb5e00 00000004 00000001 00000000 00020000 bec26ac4 <0>[ 61.214762] 3fe0: 00000004 bec267f8 b6f1fd8f b6ea67e6 <0>[ 61.220086] Code: e92dd800 e24cb004 e52de004 e8bd4000 (e7f001f2) <4>[ 61.226454] ---[ end trace 707f2933438bd7de ]--- <3>[ 61.231343] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 61.240485] in_atomic(): 0, irqs_disabled(): 128, non_block: 0, pid: 720, name: cat <4>[ 61.248407] INFO: lockdep is turned off. <4>[ 61.252598] irq event stamp: 1598 <4>[ 61.256192] hardirqs last enabled at (1597): [] console_unlock+0x4b0/0x6c0 <4>[ 61.264293] hardirqs last disabled at (1598): [] __und_svc+0x60/0x6c <4>[ 61.271787] softirqs last enabled at (1594): [] __do_softirq+0x36c/0x5a0 <4>[ 61.279716] softirqs last disabled at (1583): [] __irq_exit_rcu+0x178/0x1d0 <4>[ 61.287817] CPU: 0 PID: 720 Comm: cat Tainted: G D 5.10.199-cip39 #1 <4>[ 61.295740] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 61.302534] Backtrace: <4>[ 61.305266] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 61.313107] r7:ffffffff r6:600e0093 r5:00000000 r4:c1f1d078 <4>[ 61.319043] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 61.326633] [] (dump_stack) from [] (___might_sleep+0x188/0x2e0) <4>[ 61.334651] r9:600e0093 r8:0000000b r7:c035c468 r6:00000031 r5:c19d13c8 r4:c5952000 <4>[ 61.342668] [] (___might_sleep) from [] (__might_sleep+0x70/0xb0) <4>[ 61.350767] r6:00000000 r5:00000031 r4:c19d13c8 <4>[ 61.355667] [] (__might_sleep) from [] (exit_signals+0x4c/0x420) <4>[ 61.363678] r6:00000001 r5:c5952000 r4:c5f0ec00 <4>[ 61.368577] [] (exit_signals) from [] (do_exit+0x100/0xafc) <4>[ 61.376159] r8:0000000b r7:c1e1cb0c r6:ffffe000 r5:00000000 r4:c5f0ec00 <4>[ 61.383137] [] (do_exit) from [] (make_task_dead+0x68/0x74) <4>[ 61.390712] r7:c1e1cb0c <4>[ 61.393524] [] (make_task_dead) from [] (die+0x370/0x37c) <4>[ 61.400931] [] (die) from [] (do_undefinstr+0x170/0x240) <4>[ 61.408252] r10:00000004 r9:c5952000 r8:c15ebbf4 r7:00000000 r6:c5953dc8 r5:c0c56e78 <4>[ 61.416348] r4:e7f001f2 <4>[ 61.419156] [] (do_undefinstr) from [] (__und_svc_finish+0x0/0x54) <4>[ 61.427340] Exception stack(0xc5953dc8 to 0xc5953e10) <4>[ 61.432663] 3dc0: c15ebbfc ef7815e0 2f355373 c0c56e64 00000001 c6b22000 <4>[ 61.441114] 3de0: 00000004 c5953f60 c15ebbf4 c1ad510c 00000004 c5953e64 c5953e68 c5953e58 <4>[ 61.449559] 3e00: c0c568f8 c0c56e78 a00e0013 ffffffff <4>[ 61.454880] r7:c5953dfc r6:ffffffff r5:a00e0013 r4:c0c56e7c <4>[ 61.460814] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 61.468657] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 61.476938] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 61.485127] r9:c5953f60 r8:c30bfd80 r7:00000004 r6:b6e6e000 r5:c5a45e00 r4:c0c56cd8 <4>[ 61.493148] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 61.501251] r9:c07e12d4 r8:c5953f60 r7:c2815800 r6:b6e6e000 r5:c5a45e00 r4:00000000 <4>[ 61.509268] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 61.516676] r10:00000004 r9:00000000 r8:00000000 r7:b6e6e000 r6:c5952000 r5:c5a45e00 <4>[ 61.524771] r4:c5a45e00 <4>[ 61.527580] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 61.534987] r9:c5952000 r8:c03002e4 r7:00000004 r6:b6fb5e00 r5:00000004 r4:00000004 <4>[ 61.543005] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 61.550841] Exception stack(0xc5953fa8 to 0xc5953ff0) <4>[ 61.556163] 3fa0: 00000004 00000004 00000001 b6e6e000 00000004 00000000 <4>[ 61.564612] 3fc0: 00000004 00000004 b6fb5e00 00000004 00000001 00000000 00020000 bec26ac4 <4>[ 61.573057] 3fe0: 00000004 bec267f8 b6f1fd8f b6ea67e6 # Segmentation fault # [ 60.853653] lkdtm: Performing direct entry BUG # [ 60.858997] ------------[ cut here ]------------ # [ 60.863900] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 60.869395] Internal error: Oops - BUG: 0 [#1] SMP ARM # [ 60.874802] 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 imx_ldb can_dev etnaviv dw_hdmi_imx dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 # [ 60.904143] CPU: 0 PID: 720 Comm: cat Not tainted 5.10.199-cip39 #1 # [ 60.910678] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 60.917484] PC is at lkdtm_BUG+0x14/0x18 # [ 60.921678] LR is at lkdtm_do_action+0x2c/0x4c # [ 60.926392] pc : [] lr : [] psr: a00e0013 # [ 60.932928] sp : c5953e58 ip : c5953e68 fp : c5953e64 # [ 60.938422] r10: 00000004 r9 : c1ad510c r8 : c15ebbf4 # [ 60.943916] r7 : c5953f60 r6 : 00000004 r5 : c6b22000 r4 : 00000001 # [ 60.950712] r3 : c0c56e64 r2 : 2f355373 r1 : ef7815e0 r0 : c15ebbfc # [ 60.957508] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 60.964912] Control: 10c5387d Table: 16eb404a DAC: 00000051 # [ 60.970928] Process cat (pid: 720, stack limit = 0x54f430f0) # [ 60.976855] Stack: (0xc5953e58 to 0xc5954000) # [ 60.981483] 3e40: c5953e74 c5953e68 # [ 60.989933] 3e60: c0c568f8 c0c56e70 c5953e9c c5953e78 c0c56df8 c0c568d8 c0c56cd8 c5a45e00 # [ 60.998381] 3e80: b6e6e000 00000004 c30bfd80 c5953f60 c5953ec4 c5953ea0 c07e1338 c0c56ce4 # [ 61.006831] 3ea0: 00000000 c5a45e00 b6e6e000 c2815800 c5953f60 c07e12d4 c5953f5c c5953ec8 # [ 61.015281] 3ec0: c059b86c c07e12e0 00000001 00000000 c059be18 c13dbdd0 c059be18 c5952000 # [ 61.023730] 3ee0: b6e6e000 00020000 00000004 00000004 0001fffc c5953ee0 00000001 b6e6d000 # [ 61.032178] 3f00: c6a7e500 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 61.040628] 3f20: 00000000 00000000 c13dbdd0 2f355373 c206c0e0 c5a45e00 c5a45e00 c5952000 # [ 61.049076] 3f40: b6e6e000 00000000 00000000 00000004 c5953f94 c5953f60 c059be18 c059b76c # [ 61.057526] 3f60: 00000000 00000000 c5953fac 2f355373 00000004 00000004 b6fb5e00 00000004 # [ 61.065975] 3f80: c03002e4 c5952000 c5953fa4 c5953f98 c059bea8 c059bdb0 00000000 c5953fa8 # [ 61.074425] 3fa0: c03000c0 c059be9c 00000004 00000004 00000001 b6e6e000 00000004 00000000 # [ 61.082875] 3fc0: 00000004 00000004 b6fb5e00 00000004 00000001 00000000 00020000 bec26ac4 # [ 61.091322] 3fe0: 00000004 bec267f8 b6f1fd8f b6ea67e6 800e0030 00000001 00000000 00000000 # [ 61.099765] Backtrace: # [ 61.102496] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) # [ 61.110341] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 61.118628] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 61.126819] r9:c5953f60 r8:c30bfd80 r7:00000004 r6:b6e6e000 r5:c5a45e00 r4:c0c56cd8 # [ 61.134841] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 61.142944] r9:c07e12d4 r8:c5953f60 r7:c2815800 r6:b6e6e000 r5:c5a45e00 r4:00000000 # [ 61.150962] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 61.158371] r10:00000004 r9:00000000 r8:00000000 r7:b6e6e000 r6:c5952000 r5:c5a45e00 # [ 61.166467] r4:c5a45e00 # [ 61.169278] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 61.176686] r9:c5952000 r8:c03002e4 r7:00000004 r6:b6fb5e00 r5:00000004 r4:00000004 # [ 61.184707] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 61.192544] Exception stack(0xc5953fa8 to 0xc5953ff0) # [ 61.197866] 3fa0: 00000004 00000004 00000001 b6e6e000 00000004 00000000 # [ 61.206315] 3fc0: 00000004 00000004 b6fb5e00 00000004 00000001 00000000 00020000 bec26ac4 # [ 61.214762] 3fe0: 00000004 bec267f8 b6f1fd8f b6ea67e6 # [ 61.220086] Code: e92dd800 e24cb004 e52de004 e8bd4000 (e7f001f2) # [ 61.226454] ---[ end trace 707f2933438bd7de ]--- # [ 61.231343] BUG: sleeping function called from invalid context at i<6>[ 62.033511] lkdtm: Performing direct entry WARNING nclude/linux/percpu-rwsem.h:49 #<4>[ 62.040606] ------------[ cut here ]------------ [ 61.240485] in_atomic(): 0, i<4>[ 62.048434] WARNING: CPU: 0 PID: 792 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x48/0x4c rqs_disabled(): 128, non_block: 0<4>[ 62.059990] 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 imx_ldb can_dev etnaviv dw_hdmi_imx dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 , pid: 720, name: cat # [ 61.2<4>[ 62.091987] CPU: 0 PID: 792 Comm: cat Tainted: G D W 5.10.199-cip39 #1 <4>[ 62.102702] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 62.109495] Backtrace: <4>[ 62.112228] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 62.120069] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d078 <4>[ 62.126000] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 62.133584] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 62.140815] r9:00000009 r8:c0c56ec4 r7:00000053 r6:00000009 r5:c0c56ec4 r4:c1ad57c8 <4>[ 62.148828] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 62.156578] r7:00000053 r6:c1ad57c8 r5:00000000 r4:c69ac000 <4>[ 62.162509] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING+0x48/0x4c) <4>[ 62.170868] r9:c1ad5110 r8:c15ebbf4 r7:c69adf60 r6:00000008 r5:c6b21000 r4:00000002 <4>[ 62.178881] [] (lkdtm_WARNING) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 62.187068] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 62.195347] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 62.203533] r9:c69adf60 r8:c30bfd80 r7:00000008 r6:b6e73000 r5:c4755900 r4:c0c56cd8 <4>[ 62.211551] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 62.219649] r9:c07e12d4 r8:c69adf60 r7:c2815800 r6:b6e73000 r5:c4755900 r4:00000000 <4>[ 62.227662] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 62.235066] r10:00000004 r9:00000000 r8:00000000 r7:b6e73000 r6:c69ac000 r5:c4755900 <4>[ 62.243160] r4:c4755900 <4>[ 62.245964] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 62.253368] r9:c69ac000 r8:c03002e4 r7:00000004 r6:b6fbae00 r5:00000008 r4:00000008 <4>[ 62.261382] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 62.269216] Exception stack(0xc69adfa8 to 0xc69adff0) <4>[ 62.274537] dfa0: 00000008 00000008 00000001 b6e73000 00000008 00000000 <4>[ 62.282985] dfc0: 00000008 00000008 b6fbae00 00000004 00000001 00000000 00020000 becf5ac4 <4>[ 62.291428] dfe0: 00000004 becf57f8 b6f24d8f b6eab7e6 48407] INFO: lockdep is turned of<4>[ 62.296802] irq event stamp: 0 f. # [ 61.252598] irq event st<4>[ 62.302987] hardirqs last enabled at (0): [<00000000>] 0x0 amp: 1598 # [ 61.256192] hardi<4>[ 62.311702] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac rqs last enabled at (1597): [[ 62.322323] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac 3d6858>] console_unlock+0x4b0/0x6<4>[ 62.332943] softirqs last disabled at (0): [<00000000>] 0x0 c0 # [ 61.264293] hardirqs las<4>[ 62.341655] ---[ end trace 707f2933438bd7df ]--- t disabled at (1598): [] __und_svc+0x60/0x6c # [ 61.271787] softirqs last enabled at (1594): [] __do_softirq+0x36c/0x5a0 # [ 61.279716] softirqs last disabled at (1583): [] __irq_exit_rcu+0x178/0x1d0 # [ 61.287817] CPU: 0 PID: 720 Comm: cat Tainted: G D 5.10.199-cip39 #1 # [ 61.295740] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 61.302534] Backtrace: # [ 61.305266] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 61.313107] r7:ffffffff r6:600e0093 r5:00000000 r4:c1f1d078 # [ 61.319043] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 61.326633] [] (dump_stack) from [] (___might_sleep+0x188/0x2e0) # [ 61.334651] r9:600e0093 r8:0000000b r7:c035c468 r6:00000031 r5:c19d13c8 r4:c5952000 # [ 61.342668] [] (___might_sleep) from [] (__might_sleep+0x70/0xb0) # [ 61.350767] r6:00000000 r5:00000031 r4:c19d13c8 # [ 61.355667] [] (__might_sleep) from [] (exit_signals+0x4c/0x420) # [ 61.363678] r6:00000001 r5:c5952000 r4:c5f0ec00 # [ 61.368577] [] (exit_signals) from [] (do_exit+0x100/0xafc) # [ 61.376159] r8:0000000b r7:c1e1cb0c r6:ffffe000 r5:00000000 r4:c5f0ec00 # [ 61.383137] [] (do_exit) from [] (make_task_dead+0x68/0x74) # [ 61.390712] r7:c1e1cb0c # [ 61.393524] [] (make_task_dead) from [] (die+0x370/0x37c) # [ 61.400931] [] (die) from [] (do_undefinstr+0x170/0x240) # [ 61.408252] r10:00000004 r9:c5952000 r8:c15ebbf4 r7:00000000 r6:c5953dc8 r5:c0c56e78 # [ 61.416348] r4:e7f001f2 # [ 61.419156] [] (do_undefinstr) from [] (__und_svc_finish+0x0/0x54) # [ 61.427340] Exception stack(0xc5953dc8 to 0xc5953e10) # [ 61.432663] 3dc0: c15ebbfc ef7815e0 2f355373 c0c56e64 00000001 c6b22000 # [ 61.441114] 3de0: 00000004 c5953f60 c15ebbf4 c1ad510c 00000004 c5953e64 c5953e68 c5953e58 # [ 61.449559] 3e00: c0c568f8 c0c56e78 a00e0013 ffffffff # [ 61.454880] r7:c5953dfc r6:ffffffff r5:a00e0013 r4:c0c56e7c # [ 61.460814] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) # [ 61.468657] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 61.476938] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 61.485127] r9:c5953f60 r8:c30bfd80 r7:00000004 r6:b6e6e000 r5:c5a45e00 r4:c0c56cd8 # [ 61.493148] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 61.501251] r9:c07e12d4 r8:c5953f60 r7:c2815800 r6:b6e6e000 r5:c5a45e00 r4:00000000 # [ 61.509268] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 61.516676] r10:00000004 r9:00000000 r8:00000000 r7:b6e6e000 r6:c5952000 r5:c5a45e00 # [ 61.524771] r4:c5a45e00 # [ 61.527580] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 61.534987] r9:c5952000 r8:c03002e4 r7:00000004 r6:b6fb5e00 r5:00000004 r4:00000004 # [ 61.543005] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 61.550841] Exception stack(0xc5953fa8 to 0xc5953ff0) # [ 61.556163] 3fa0: 00000004 00000004 00000001 b6e6e000 00000004 00000000 # [ 61.564612] 3fc0: 00000004 00000004 b6fb5e00 00000004 00000001 00000000 00020000 bec26ac4 # [ 61.573057] 3fe0: 00000004 bec267f8 b6f1fd8f b6ea67e6 # BUG: saw 'kernel BUG at': ok ok 2 selftests: lkdtm: BUG.sh # selftests: lkdtm: WARNING.sh # [ 62.033511] lkdtm: Performing direct entry WARNING # [ 62.040606] ------------[ cut here ]------------ # [ 62.048434] WARNING: CPU: 0 PID: 792 at dri<6>[ 62.676649] lkdtm: Performing direct entry WARNING_MESSAGE vers/misc/lkdtm/bugs.c:83 lkdtm_W<4>[ 62.683599] ------------[ cut here ]------------ ARNING+0x48/0x4c # [ 62.059990<4>[ 62.691613] WARNING: CPU: 2 PID: 828 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x4c/0x54 ] Modules linked in: fuse ip_tabl<4>[ 62.703661] Warning message trigger count: 2 es x_tables caam_jr caamhash_desc<4>[ 62.711134] 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 imx_ldb can_dev etnaviv dw_hdmi_imx dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 caamalg_desc crypto_engine authe<4>[ 62.743027] CPU: 2 PID: 828 Comm: cat Tainted: G D W 5.10.199-cip39 #1 nc libdes snd_soc_sgtl5000 phy_ge<4>[ 62.753758] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) neric snd_soc_core ac97_bus snd_p<4>[ 62.763412] Backtrace: cm_dmaengine snd_pcm snd_timer sn<4>[ 62.768998] [] (dump_backtrace) from [] (show_stack+0x20/0x24) d soundcore caam error flexcan im<4>[ 62.779683] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d078 x_ldb can_dev etnaviv dw_hdmi_imx<4>[ 62.788469] [] (show_stack) from [] (dump_stack+0xe0/0x100) dw_hdmi gpu_sched parallel_displ<4>[ 62.798905] [] (dump_stack) from [] (__warn+0x98/0x14c) ay imxdrm imx_ipu_v3 # [ 62.09<4>[ 62.808984] r9:00000009 r8:c0c56f14 r7:00000058 r6:00000009 r5:c0c56f14 r4:c1ad57c8 1987] CPU: 0 PID: 792 Comm: cat T<4>[ 62.819849] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) ainted: G D W 5.10.1<4>[ 62.830451] r7:00000058 r6:c1ad57c8 r5:c1ad57e4 r4:c6ac2000 99-cip39 #1 # [ 62.102702] Har<4>[ 62.839238] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING_MESSAGE+0x4c/0x54) dware name: Freescale i.MX6 Quad/<4>[ 62.851143] r9:c1ad5118 r8:c15ebbf4 r7:c6ac3f60 r6:00000010 r5:c6c40000 r4:00000003 DualLite (Device Tree) # [ 62.<4>[ 62.862011] [] (lkdtm_WARNING_MESSAGE) from [] (lkdtm_do_action+0x2c/0x4c) 109495] Backtrace: # [ 62.112<4>[ 62.873743] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) 228] [] (dump_backtrace<4>[ 62.884876] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) ) from [] (show_stack+0<4>[ 62.895909] r9:c6ac3f60 r8:c30bfd80 r7:00000010 r6:b6dc7000 r5:c6a99cc0 r4:c0c56cd8 x20/0x24) # [ 62.120069] r7:f<4>[ 62.906783] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) fffffff r6:600e0013 r5:00000000 r<4>[ 62.917729] r9:c07e12d4 r8:c6ac3f60 r7:c2815800 r6:b6dc7000 r5:c6a99cc0 r4:00000000 4:c1f1d078 # [ 62.126000] [[ 62.928595] [] (vfs_write) from [] (ksys_write+0x74/0xec) 3b8f88>] (show_stack) from [[ 62.938852] r10:00000004 r9:00000000 r8:00000000 r7:b6dc7000 r6:c6ac2000 r5:c6a99cc0 01f0>] (dump_stack+0xe0/0x100) #<4>[ 62.949801] r4:c6a99cc0 [ 62.133584] [] (dum<4>[ 62.955463] [] (ksys_write) from [] (sys_write+0x18/0x1c) p_stack) from [] (__war<4>[ 62.965720] r9:c6ac2000 r8:c03002e4 r7:00000004 r6:b6f0be00 r5:00000010 r4:00000010 n+0x98/0x14c) # [ 62.140815] <4>[ 62.976589] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) r9:00000009 r8:c0c56ec4 r7:000000<4>[ 62.987273] Exception stack(0xc6ac3fa8 to 0xc6ac3ff0) 53 r6:00000009 r5:c0c56ec4 r4:c1a<4>[ 62.995453] 3fa0: 00000010 00000010 00000001 b6dc7000 00000010 00000000 d57c8 # [ 62.148828] [[ 63.006755] 3fc0: 00000010 00000010 b6f0be00 00000004 00000001 00000000 00020000 beffdac4 0>] (__warn) from [] (w<4>[ 63.018050] 3fe0: 00000004 beffd7f8 b6e78d8f b6dff7e6 arn_slowpath_fmt+0x8c/0xa8) # [ <4>[ 63.026268] irq event stamp: 0 62.156578] r7:00000053 r6:c1ad<4>[ 63.032413] hardirqs last enabled at (0): [<00000000>] 0x0 57c8 r5:00000000 r4:c69ac000 # [<4>[ 63.041144] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac 62.162509] [] (warn_<4>[ 63.051740] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac slowpath_fmt) from [] (<4>[ 63.062347] softirqs last disabled at (0): [<00000000>] 0x0 lkdtm_WARNING+0x48/0x4c) # [ 6<4>[ 63.071038] ---[ end trace 707f2933438bd7e0 ]--- 2.170868] r9:c1ad5110 r8:c15ebbf4 r7:c69adf60 r6:00000008 r5:c6b21000 r4:00000002 # [ 62.178881] [] (lkdtm_WARNING) from [] (lkdtm_do_action+0x2c/0x4c) # [ 62.187068] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 62.195347] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 62.203533] r9:c69adf60 r8:c30bfd80 r7:00000008 r6:b6e73000 r5:c4755900 r4:c0c56cd8 # [ 62.211551] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 62.219649] r9:c07e12d4 r8:c69adf60 r7:c2815800 r6:b6e73000 r5:c4755900 r4:00000000 # [ 62.227662] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 62.235066] r10:00000004 r9:00000000 r8:00000000 r7:b6e73000 r6:c69ac000 r5:c4755900 # [ 62.243160] r4:c4755900 # [ 62.245964] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 62.253368] r9:c69ac000 r8:c03002e4 r7:00000004 r6:b6fbae00 r5:00000008 r4:00000008 # [ 62.261382] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 62.269216] Exception stack(0xc69adfa8 to 0xc69adff0) # [ 62.274537] dfa0: 00000008 00000008 00000001 b6e73000 00000008 00000000 # [ 62.282985] dfc0: 00000008 00000008 b6fbae00 00000004 00000001 00000000 00020000 becf5ac4 # [ 62.291428] dfe0: 00000004 becf57f8 b6f24d8f b6eab7e6 # [ 62.296802] irq event stamp: 0 # [ 62.302987] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 62.311702] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 62.322323] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 62.332943] softirqs last disabled at (0): [<00000000>] 0x0 # [ 62.341655] ---[ end trace 707f2933438bd7df ]--- # WARNING: saw 'WARNING:': ok ok 3 selftests: lkdtm: WARNING.sh # selftests: lkdtm: WARNING_MESSAGE.sh # [ 62.676649] lkdtm: Performing direct entry WARNING_MESSAGE # [ 62.683599] ------------[ cut here ]------------ # [ 62.691613] WARNING: CPU: 2 PID: 828 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x4c/0x54 # [ 62.703661] Warning message trigger count: 2 # [ 62.711134] 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 imx_ldb can_dev etnaviv dw_hdmi_imx dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 # [ 62.743027] CPU: 2 PID: 828 Comm: cat Tainted: G D W 5.10.199-cip39 #1 # [ 62.753758] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 62.763412] Backtrace: # [ 62.768998] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 62.779683] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d078 # [ 62.788469] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 62.798905] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 62.808984] r9:00000009 r8:c0c56f14 r7:00000058 r6:00000009 r5:c0c56f14 r4:c1ad57c8 # [ 62.819849] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 62.830451] r7:00000058 r6:c1ad57c8 r5:c1ad57e4 r4:c6ac2000 # [ 62.839238] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING_MESSAGE+0x4c/0x54) # [ 62.851143] r9:c1ad5118 r8:c15ebbf4 r7:c6ac3f60 r6:00000010 r5:c6c40000 r4:00000003 # [ 62.862011] [] (lkdtm_WARNING_MESSAGE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 62.873743] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 62.884876] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 62.895909] r9:c6ac3f60 r8:c30bfd80 r7:00000010 r6:b<6>[ 63.412260] lkdtm: Performing direct entry EXCEPTION 6dc7000 r5:c6a99cc0 r4:c0c56cd8 <1>[ 63.418137] 8<--- cut here --- # [ 62.906783] [] (fu<1>[ 63.424043] Unable to handle kernel NULL pointer dereference at virtual address 00000000 ll_proxy_write) from []<1>[ 63.435319] pgd = 9ad20da9 (vfs_write+0x10c/0x53c) # [ 6<1>[ 63.441096] [00000000] *pgd=00000000 2.917729] r9:c07e12d4 r8:c6ac3f6<0>[ 63.447833] Internal error: Oops: 805 [#2] SMP ARM 0 r7:c2815800 r6:b6dc7000 r5:c6a9<4>[ 63.455693] 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 imx_ldb can_dev etnaviv dw_hdmi_imx dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 9cc0 r4:00000000 # [ < 4 >6[2 . 63.487662] CPU: 3 PID: 861 Comm: cat Tainted: G D W 5.10.199-cip39 #1 28595] [6[0 > ] 6(3v.f97916] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) s_write) from [] (ksy[ 63.506625] PC is at lkdtm_EXCEPTION+0x18/0x20 _write+0x74/0xec) < 4#> [[ 63.514012] LR is at lkdtm_do_action+0x2c/0x4c 2.938852] r10<:40>0[0 0 0 0630.420882] pc : [] lr : [] psr: a00e0013 r9:000000<040> [r 8 : 06030.05029317] sp : c6a1be58 ip : c6a1be68 fp : c6a1be64 00 r7:b6d0[0 0 r663:.c563a625] r10: 0000000a r9 : c1ad5128 r8 : c15ebbf4 c2000 r5:c6a<949>c[c 0 63#. 5[3847] r7 : c6a1bf60 r6 : 0000000a r5 : c6b37000 r4 : 00000004 62.9498<041>][ r 46:3c.65a52455] r3 : 00000000 r2 : 9aac001a r1 : ef7c05e0 r0 : c15ebc14 9cc0 # [ 6<24.>9[5 5 4 6633]. 61068] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [] <(4k>s[ y s _6w3r.i570373] Control: 10c5387d Table: 16b0404a DAC: 00000051 e) from [8[> ] (6s3y578288] Process cat (pid: 861, stack limit = 0xf05162fb) s_write+0x18x[1 c ) 6 3#. 586203] Stack: (0xc6a1be58 to 0xc6a1c000) 62.965720] r<90:>c[6 a c 2603.592733] be40: c6a1be74 c6a1be68 0 r8:c03002e4 r7:000<000>0[0 4 63.603256] be60: c0c568f8 c0c56f28 c6a1be9c c6a1be78 c0c56df8 c0c568d8 c0c56cd8 c5951400 6:b6f0be00 r5:000000<100>[ r 4 :3.613947] be80: b6dcb000 0000000a c30bfd80 c6a1bf60 c6a1bec4 c6a1bea0 c07e1338 c0c56ce4 00000010 # [ <602>.[9 7 6 5683.624552] bea0: 00000000 c5951400 b6dcb000 c2815800 c6a1bf60 c07e12d4 c6a1bf5c c6a1bec8 ] [] (syw[r i t e63.635074] bec0: c059b86c c07e12e0 00000001 00000000 c059be18 c13dbdd0 c059be18 c6a1a000 from [0]> [( r e t6_3.645681] bee0: b6dcb000 00020000 00000004 0000000a 0001fff6 c6a1bee0 00000001 b6dca000 ast_syscall+0x0/0x<208>)[ # 63.656201] bf00: c6a98500 00000000 00000000 00000000 00000000 00000000 00000000 00000000 62.987273] Exct[i o n 6s.666808] bf20: 00000000 00000000 c13dbdd0 9aac001a c206c0e0 c5951400 c5951400 c6a1a000 tack(0xc6ac3fa8 to 06[a c 3 63.677330] bf40: b6dcb000 00000000 00000000 00000004 c6a1bf94 c6a1bf60 c059be18 c059b76c f0) # [ 62.995453<]0 >3[f a 0 63.688024] bf60: 00000000 00000000 c6a1bfac 9aac001a 0000000a 0000000a b6f12e00 00000004 <000>0[0 0 0 13.698716] bf80: c03002e4 c6a1a000 c6a1bfa4 c6a1bf98 c059bea8 c059bdb0 00000000 c6a1bfa8 0 00000010 00000<000>1[ b 6 d6c3.709323] bfa0: c03000c0 c059be9c 0000000a 0000000a 00000001 b6dcb000 0000000a 00000000 000 00000010 000000<000> [ # [3.719844] bfc0: 0000000a 0000000a b6f12e00 00000004 00000001 00000000 00020000 befe9ac4 63.006755] 3fc0:< 00>0[0 0 0 03.730449] bfe0: 00000004 befe97f8 b6e7cd8f b6e037e6 800e0030 00000001 00000000 00000000 10 00000010 b6f0be0<00 >0[0 0 0 03.741050] Backtrace: 004 00000001 00000000 000<200>0[0 63.745938] [] (lkdtm_EXCEPTION) from [] (lkdtm_do_action+0x2c/0x4c) 0 beffdac4 # [ 63.01805<00]> [ 63.756720] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) fe0: 00000004 beffd7f8 b6e78d8f< >[ 63.767503] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) b6dff7e6 # [ 63.02<602>6[8 ] 63.778363] r9:c6a1bf60 r8:c30bfd80 r7:0000000a r6:b6dcb000 r5:c5951400 r4:c0c56cd8 irq event stamp: 0 # [ 63.032<0>[ 63.788630] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) 13] hardirqs last < 0e>n[a b l e63.799486] r9:c07e12d4 r8:c6a1bf60 r7:c2815800 r6:b6dcb000 r5:c5951400 r4:00000000 at (0): [<00000000>] 0 [ # 63.809663] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 63.041144] hardq[s l 63.819398] r10:00000004 r9:00000000 r8:00000000 r7:b6dcb000 r6:c6a1a000 r5:c5951400 st disabled< 0a>t[ ( 0 )6:3 .[8<9739] r4:c5951400 c03538f4>] copy_process+<00x>5[f 63.834364] [] (ksys_write) from [] (sys_write+0x18/0x1c) /0x1dac # [ <603>.[0 5 1 76430844184] r9:c6a1a000 r8:c03002e4 r7:00000004 r6:b6f12e00 r5:0000000a r4:0000000a ] softirqs last enabled a([ 63.854190] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) ): [>[] c o6p3y._8p4525] Exception stack(0xc6a1bfa8 to 0xc6a1bff0) rocess+0x5f8/0x1c[ # 6[3.871665] bfa0: 0000000a 0000000a 00000001 b6dcb000 0000000a 00000000 63.062347] softis[ l a s63.882186] bfc0: 0000000a 0000000a b6f12e00 00000004 00000001 00000000 00020000 befe9ac4 disabled at (<00)>:[ [ < 06030.892789] bfe0: 00000004 befe97f8 b6e7cd8f b6e037e6 0000>] 0x0 # [ <603>.[0 7 1 063.900101] Code: e24cb004 e52de004 e8bd4000 e3a03000 (e5833000) 8] ---[ end trace 707f2933438bd7e<4>[ 63.908722] ---[ end trace 707f2933438bd7e1 ]--- 0 ]--- # WARNING_MESSAGE: saw 'message trigger': ok ok 4 selftests: lkdtm: WARNING_MESSAGE.sh # selftests: lkdtm: EXCEPTION.sh # Segmentation fault # [ 63.412260] lkdtm: Performing direct entry EXCEPTION # [ 63.418137] 8<--- cut here --- # [ 63.424043] Unable to handle kernel NULL pointer dereference at virtual address 00000000 # [ 63.435319] pgd = 9ad20da9 # [ 63.441096] [00000000] *pgd=00000000 # [ 63.447833] Internal error: Oops: 805 [#2] SMP ARM # [ 63.455693] 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 imx_ldb can_dev etnaviv dw_hdmi_imx dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 # [ 63.487662] CPU: 3 PID: 861 Comm: cat Tainted: G D W 5.10.199-cip39 #1 # [ 63.497916] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 63.506625] PC is at lkdtm_EXCEPTION+0x18/0x20 # [ 63.514012] LR is at lkdtm_do_action+0x2c/0x4c # [ 63.520882] pc : [] lr : [] psr: a00e0013 # [ 63.529317] sp : c6a1be58 ip : c6a1be68 fp : c6a1be64 # [ 63.536625] r10: 0000000a r9 : c1ad5128 r8 : c15ebbf4 # [ 63.543847] r7 : c6a1bf60 r6 : 0000000a r5 : c6b37000 r4 : 00000004 # [ 63.552455] r3 : 00000000 r2 : 9aac001a r1 : ef7c05e0 r0 : c15ebc14 # [ 63.561068] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 63.570373] Control: 10c5387d Table: 16b0404a DAC: 00000051 # [ 63.578288] Process cat (pid: 861, stack limit = 0xf05162fb) # [ 63.586203] Stack: (0xc6a1be58 to 0xc6a1c000) # [ 63.592733] be40: c6a1be74 c6a1be68 # [ 63.603256] be60: c0c568f8 c0c56f28 c6a1be9c c6a1be78 c0c56df8 c0c568d8 c0c56cd8 c5951400 # [ 63.613947] be80: b6dcb000 0000000a c30bfd80 c6a1bf60 c6a1bec4 c6a1bea0 c07e1338 c0c56ce4 # [ 63.624552] bea0: 00000000 c5951400 b6dcb000 c2815800 c6a1bf60 c07e12d4 c6a1bf5c c6a1bec8 # [ 63.635074] bec0: c059b86c c07e12e0 00000001 00000000 c059be18 c13dbdd0 c059be18 c6a1a000 # [ 63.645681] bee0: b6dcb000 00020000 00000004 0000000a 0001fff6 c6a1bee0 00000001 b6dca000 # [ 63.656201] bf00: c6a98500 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 63.666808] bf20: 00000000 00000000 c13dbdd0 9aac001a c206c0e0 c5951400 c5951400 c6a1a000 # [ 63.677330] bf40: b6dcb000 00000000 00000000 00000004 c6a1bf94 c6a1bf60 c059be18 c059b76c # [ 63.688024] bf60: 00000000 00000000 c6a1bfac 9aac001a 0000000a 0000000a b6f12e00 00000004 # [ 63.698716] bf80: c03002e4 c6a1a000 c6a1bfa4 c6a1bf98 c059bea8 c059bdb0 00000000 c6a1bfa8 # [ 63.709323] bfa0: c03000c0 c059be9c 0000000a 0000000a 00000001 b6dcb000 0000000a 00000000 # [ 63.719844] bfc0: 0000000a 0000000a b6f12e00 00000004 00000001 00000000 00020000 befe9ac4 # [ 63.730449] bfe0: 00000004 befe97f8 b6e7cd8f b6e037e6 800e0030 00000001 00000000 00000000 # [ 63.741050] Backtrace: # [ 63.745938] [] (lkdtm_EXCEPTION) from [] (lkdtm_do_action+0x2c/0x4c) # [ 63.756720] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 63.767503] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 63.778363] r9:c6a1bf60 r8:c30bfd80 r7:0000000a r6:b6dcb000 r5:c5951400 r4:c0c56cd8 # [ 63.788630] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 63.799486] r9:c07e12d4 r8:c6a1bf60 r7:c2815800 r6:b6dcb000 r5:c5951400 r4:00000000 # [ 63.809663] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 63.819398] r10:00000004 r9:00000000 r8:00000000 r7:b6dcb000 r6:c6a1a000 r5:c5951400 # [ 63.829739] r4:c5951400 # [ 63.834364] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 63.844184] r9:c6a1a000 r8:c03002e4 r7:00000004 r6:b6f12e00 r5:0000000a r4:0000000a # [ 63.854190] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 63.864525] Exception stack(0xc6a1bfa8 to 0xc6a1bff0) # [ 63.871665] bfa0: 0000000a 0000000a 00000001 b6dcb000 0000000a 00000000 # [ 63.882186] bfc0: 0000000a 0000000a b6f12e00 00000004 00000001 00000000 00020000 befe9ac4 # [ 63.892789] bfe0: 00000004 befe97f8 b6e7cd8f b6e037e6 # [ 63.900101] Code: e24cb004 e52de004 e8bd4000 e3a03000 (e5833000) # [ 63.908722] ---[ end trace 707f2933438bd7e1 ]--- # 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>[ 65.021484] lkdtm: Performing direct entry CORRUPT_LIST_ADD <6>[ 65.027403] lkdtm: attempting good list addition <6>[ 65.032292] lkdtm: attempting corrupted list addition <3>[ 65.037719] lkdtm: list_add() corruption not detected! # [ 65.021484] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 65.027403] lkdtm: attempting good list addition # [ 65.032292] lkdtm: attempting corrupted list addition # [ 65.037719] 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>[ 65.370272] lkdtm: Performing direct entry CORRUPT_LIST_DEL <6>[ 65.376181] lkdtm: attempting good list removal <6>[ 65.380988] lkdtm: attempting corrupted list removal <3>[ 65.386368] lkdtm: list_del() corruption not detected! # [ 65.370272] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 65.376181] lkdtm: attempting good list removal # [ 65.380988] lkdtm: attempting corrupted list removal # [ 65.386368] 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>[ 65.691803] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING <6>[ 65.698511] lkdtm: attempting bad read from page below current stack <3>[ 65.705214] lkdtm: FAIL: accessed page before stack! (byte: 0) # [ 65.691803] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 65.698511] lkdtm: attempting bad read from page below current stack # [ 65.705214] lkdtm: FAIL: accessed page before stack! (byte: 0) # STACK_GUARD_PAGE_LEADING: missing 'call trace:': [FAIL] not ok 12 selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh # exit=1 # selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh <6>[ 66.009544] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING <6>[ 66.016260] lkdtm: attempting bad read from page above current stack <3>[ 66.022890] lkdtm: FAIL: accessed page after stack! (byte: 6) # [ 66.009544] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING # [ 66.016260] lkdtm: attempting bad read from page above current stack # [ 66.022890] lkdtm: FAIL: accessed page after stack! (byte: 6) # 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>[ 66.339952] lkdtm: Performing direct entry UNSET_SMEP <3>[ 66.345471] lkdtm: XFAIL: this test is x86_64-only # [ 66.339952] lkdtm: Performing direct entry UNSET_SMEP # [ 66.345471] 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>[ 66.652174] lkdtm: Performing direct entry DOUBLE_FAULT <3>[ 66.658030] lkdtm: XFAIL: this test is ia32-only # [ 66.652174] lkdtm: Performing direct entry DOUBLE_FAULT # [ 66.658030] 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>[ 66.980562] lkdtm: Performing direct entry CORRUPT_PAC <3>[ 66.986040] lkdtm: XFAIL: this test is arm64-only # [ 66.980562] lkdtm: Performing direct entry CORRUPT_PAC # [ 66.986040] 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>[ 67.301802] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE <3>[ 67.308709] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS # [ 67.301802] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # [ 67.308709] 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>[ 67.982318] lkdtm: Performing direct entry READ_AFTER_FREE <6>[ 67.988153] lkdtm: Value in memory before free: 12345678 <6>[ 67.993742] lkdtm: Attempting bad read from freed memory <6>[ 67.999475] lkdtm: Memory was not poisoned # [ 67.982318] lkdtm: Performing direct entry READ_AFTER_FREE # [ 67.988153] lkdtm: Value in memory before free: 12345678 # [ 67.993742] lkdtm: Attempting bad read from freed memory # [ 67.999475] 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>[ 68.492792] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE <6>[ 68.499287] lkdtm: Value in memory before free: 12345678 <6>[ 68.504905] lkdtm: Attempting to read from freed memory <6>[ 68.510464] lkdtm: Buddy page was not poisoned # [ 68.492792] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE # [ 68.499287] lkdtm: Value in memory before free: 12345678 # [ 68.504905] lkdtm: Attempting to read from freed memory # [ 68.510464] 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>[ 68.818185] lkdtm: Performing direct entry SLAB_FREE_DOUBLE <6>[ 68.824052] lkdtm: Attempting double slab free ... # [ 68.818185] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 68.824052] 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>[ 69.137197] lkdtm: Performing direct entry SLAB_FREE_CROSS <6>[ 69.142977] lkdtm: Attempting cross-cache slab free ... # [ 69.137197] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 69.142977] 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>[ 69.458503] lkdtm: Performing direct entry SLAB_FREE_PAGE <6>[ 69.464185] lkdtm: Attempting non-Slab slab free ... # [ 69.458503] lkdtm: Performing direct entry SLAB_FREE_PAGE # [ 69.464185] 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 <6>[ 69.637486] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) <6>[ 69.646366] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) <6>[ 69.655036] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) <6>[ 69.663747] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) <4>[ 69.676548] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 69.684953] panel-simple panel-lcd: Specify missing connector_type <4>[ 69.696613] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 69.707449] platform backlight-lcd: deferred probe pending <6>[ 69.713243] platform backlight-lvds: deferred probe pending <6>[ 69.719229] platform ldb: deferred probe pending <6>[ 69.724144] platform panel-lcd: deferred probe pending <6>[ 69.729663] platform panel-lvds0: deferred probe pending # 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>[ 70.539263] lkdtm: Performing direct entry EXEC_DATA <6>[ 70.544511] lkdtm: attempting ok execution at c0c57668 <6>[ 70.550083] lkdtm: attempting bad execution at c27069b4 <1>[ 70.555674] 8<--- cut here --- <1>[ 70.559003] Unable to handle kernel paging request at virtual address c27069b4 <1>[ 70.566503] pgd = 0a91e8b0 <1>[ 70.569495] [c27069b4] *pgd=1261141e(bad) <0>[ 70.573822] Internal error: Oops: 8000000d [#3] SMP ARM <4>[ 70.579333] 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 imx_ldb can_dev etnaviv dw_hdmi_imx dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 <4>[ 70.608882] CPU: 2 PID: 1735 Comm: cat Tainted: G D W 5.10.199-cip39 #1 <4>[ 70.616910] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 70.623739] PC is at data_area+0x0/0x40 <4>[ 70.627874] LR is at execute_location+0xa4/0xb4 <4>[ 70.632689] pc : [] lr : [] psr: 600e0013 <4>[ 70.639239] sp : c46bbe38 ip : c46bbd40 fp : c46bbe54 <4>[ 70.644746] r10: 0000000a r9 : c1ad530c r8 : c15ebbf4 <4>[ 70.650253] r7 : c46bbf60 r6 : 00000001 r5 : c27069b4 r4 : c0c57668 <4>[ 70.657062] r3 : 905658df r2 : 905658df r1 : ef7ab5e0 r0 : 0000002b <4>[ 70.663874] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 70.671291] Control: 10c5387d Table: 1689004a DAC: 00000051 <0>[ 70.677322] Process cat (pid: 1735, stack limit = 0x1d923533) <0>[ 70.683355] Stack: (0xc46bbe38 to 0xc46bc000) <0>[ 70.687999] be20: 0000001f c478a000 <0>[ 70.696469] be40: 0000000a c46bbf60 c46bbe64 c46bbe58 c13c6a1c c13c6818 c46bbe74 c46bbe68 <0>[ 70.704938] be60: c0c568f8 c13c6a04 c46bbe9c c46bbe78 c0c56df8 c0c568d8 c0c56cd8 c59343c0 <0>[ 70.713405] be80: b6de2000 0000000a c30bfd80 c46bbf60 c46bbec4 c46bbea0 c07e1338 c0c56ce4 <0>[ 70.721872] bea0: 00000000 c59343c0 b6de2000 c2815800 c46bbf60 c07e12d4 c46bbf5c c46bbec8 <0>[ 70.730341] bec0: c059b86c c07e12e0 00000001 00000000 c059be18 c2d708a4 c059be18 c46ba000 <0>[ 70.738809] bee0: b6de2000 00020000 00000004 0000000a 0001fff6 c46bbee0 00000001 00000805 <0>[ 70.747275] bf00: c6929a40 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 70.755744] bf20: 00000000 00000000 c46ba000 905658df b6de1000 c59343c0 c59343c0 c46ba000 <0>[ 70.764212] bf40: b6de2000 00000000 00000000 00000004 c46bbf94 c46bbf60 c059be18 c059b76c <0>[ 70.772680] bf60: 00000000 00000000 c46bbfac 905658df 0000000a 0000000a b6f29e00 00000004 <0>[ 70.781147] bf80: c03002e4 c46ba000 c46bbfa4 c46bbf98 c059bea8 c059bdb0 00000000 c46bbfa8 <0>[ 70.789614] bfa0: c03000c0 c059be9c 0000000a 0000000a 00000001 b6de2000 0000000a 00000000 <0>[ 70.798081] bfc0: 0000000a 0000000a b6f29e00 00000004 00000001 00000000 00020000 beb37ac4 <0>[ 70.806549] bfe0: 00000004 beb377f8 b6e93d8f b6e1a7e6 800e0030 00000001 00000000 00000000 <0>[ 70.815005] Backtrace: <0>[ 70.817768] [] (execute_location) from [] (lkdtm_EXEC_DATA+0x24/0x28) <0>[ 70.826240] r7:c46bbf60 r6:0000000a r5:c478a000 r4:0000001f <0>[ 70.832201] [] (lkdtm_EXEC_DATA) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 70.840589] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 70.848900] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 70.857111] r9:c46bbf60 r8:c30bfd80 r7:0000000a r6:b6de2000 r5:c59343c0 r4:c0c56cd8 <0>[ 70.865159] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 70.873281] r9:c07e12d4 r8:c46bbf60 r7:c2815800 r6:b6de2000 r5:c59343c0 r4:00000000 <0>[ 70.881320] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 70.888748] r10:00000004 r9:00000000 r8:00000000 r7:b6de2000 r6:c46ba000 r5:c59343c0 <0>[ 70.896857] r4:c59343c0 <0>[ 70.899684] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 70.907111] r9:c46ba000 r8:c03002e4 r7:00000004 r6:b6f29e00 r5:0000000a r4:0000000a <0>[ 70.915151] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 70.923002] Exception stack(0xc46bbfa8 to 0xc46bbff0) <0>[ 70.928345] bfa0: 0000000a 0000000a 00000001 b6de2000 0000000a 00000000 <0>[ 70.936815] bfc0: 0000000a 0000000a b6f29e00 00000004 00000001 00000000 00020000 beb37ac4 <0>[ 70.945277] bfe0: 00000004 beb377f8 b6e93d8f b6e1a7e6 <0>[ 70.950621] Code: 00000000 c2b1b6c0 c2b1b780 c2b1b840 (e1a0c00d) <4>[ 70.957009] ---[ end trace 707f2933438bd7e2 ]--- # Segmentation fault # [ 70.539263] lkdtm: Performing direct entry EXEC_DATA # [ 70.544511] lkdtm: attempting ok execution at c0c57668 # [ 70.550083] lkdtm: attempting bad execution at c27069b4 # [ 70.555674] 8<--- cut here --- # [ 70.559003] Unable to handle kernel paging request at virtual address c27069b4 # [ 70.566503] pgd = 0a91e8b0 # [ 70.569495] [c27069b4] *pgd=1261141e(bad) # [ 70.573822] Internal error: Oops: 8000000d [#3] SMP ARM # [ 70.579333] 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 imx_ldb can_dev etnaviv dw_hdmi_imx dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 # [ 70.608882] CPU: 2 PID: 1735 Comm: cat Tainted: G D W 5.10.199-cip39 #1 # [ 70.616910] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 70.623739] PC is at data_area+0x0/0x40 # [ 70.627874] LR is at execute_location+0xa4/0xb4 # [ 70.632689] pc : [] lr : [] psr: 600e0013 # [ 70.639239] sp : c46bbe38 ip : c46bbd40 fp : c46bbe54 # [ 70.644746] r10: 0000000a r9 : c1ad530c r8 : c15ebbf4 # [ 70.650253] r7 : c46bbf60 r6 : 00000001 r5 : c27069b4 r4 : c0c57668 # [ 70.657062] r3 : 905658df r2 : 905658df r1 : ef7ab5e0 r0 : 0000002b # [ 70.663874] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 70.671291] Control: 10c5387d Table: 1689004a DAC: 00000051 # [ 70.677322] Process cat (pid: 1735, stack limit = 0x1d923533) # [ 70.683355] Stack: (0xc46bbe38 to 0xc46bc000) # [ 70.687999] be20: 0000001f c478a000 # [ 70.696469] be40: 0000000a c46bbf60 c46bbe64 c46bbe58 c13c6a1c c13c6818 c46bbe74 c46bbe68 # [ 70.704938] be60: c0c568f8 c13c6a04 c46bbe9c c46bbe78 c0c56df8 c0c568d8 c0c56cd8 c59343c0 # [ 70.713405] be80: b6de2000 0000000a c30bfd80 c46bbf60 c46bbec4 c46bbea0 c07e1338 c0c56ce4 # [ 70.721872] bea0: 00000000 c59343c0 b6de2000 c2815800 c46bbf60 c07e12d4 c46bbf5c c46bbec8 # [ 70.730341] bec0: c059b86c c07e12e0 00000001 00000000 c059be18 c2d708a4 c059be18 c46ba000 # [ 70.738809] bee0: b6de2000 00020000 00000004 0000000a 0001fff6 c46bbee0 00000001 00000805 # [ 70.747275] bf00: c6929a40 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 70.755744] bf20: 00000000 00000000 c46ba000 905658df b6de1000 c59343c0 c59343c0 c46ba000 # [ 70.764212] bf40: b6de2000 00000000 00000000 00000004 c46bbf94 c46bbf60 c059be18 c059b76c # [ 70.772680] bf60: 00000000 00000000 c46bbfac 905658df 0000000a 0000000a b6f29e00 00000004 # [ 70.781147] bf80: c03002e4 c46ba000 c46bbfa4 c46bbf98 c059bea8 c059bdb0 00000000 c46bbfa8 # [ 70.789614] bfa0: c03000c0 c059be9c 0000000a 0000000a 00000001 b6de2000 0000000a 00000000 # [ 70.798081] bfc0: 0000000a 0000000a b6f29e00 00000004 00000001 00000000 00020000 beb37ac4 # [ 70.806549] bfe0: 00000004 beb377f8 b6e93d8f b6e1a7e6 800e0030 00000001 00000000 00000000 # [ 70.815005] Backtrace: # [ 70.817768] [] (execute_location) from [] (lkdtm_EXEC_DATA+0x24/0x28) # [ 70.826240] r7:c46bbf60 r6:0000000a r5:c478a000 r4:0000001f # [ 70.832201] [] (lkdtm_EXEC_DATA) from [] (lkdtm_do_action+0x2c/0x4c) # [ 70.840589] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 70.848900] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 70.857111] r9:c46bbf60 r8:c30bfd80 r7:0000000a r6:b6de2000 r5:c59343c0 r4:c0c56cd8 # [ 70.865159] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 70.873<6>[ 71.370428] lkdtm: Performing direct entry EXEC_STACK 281] r9:c07e12d4 r8:c46bbf60 r7:<6>[ 71.376866] lkdtm: attempting ok execution at c0c57668 c2815800 r6:b6de2000 r5:c59343c0 <6>[ 71.384987] lkdtm: attempting bad execution at c5c23e0c r4:00000000 # [ 70.881320] [[ 71.393398] 8<--- cut here --- 059b760>] (vfs_write) from [[ 71.399508] Unable to handle kernel paging request at virtual address c5c23e0c be18>] (ksys_write+0x74/0xec) #<1>[ 71.409767] pgd = 54649c8e [ 70.888748] r10:00000004 r9:0<1>[ 71.415509] [c5c23e0c] *pgd=15c1141e(bad) 0000000 r8:00000000 r7:b6de2000 r<0>[ 71.422652] Internal error: Oops: 8000000d [#4] SMP ARM 6:c46ba000 r5:c59343c0 # [ 70.<4>[ 71.430991] 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 imx_ldb can_dev etnaviv dw_hdmi_imx dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 896857] r4:c59343c0 # [ 70.89<4>[ 71.462960] CPU: 1 PID: 1812 Comm: cat Tainted: G D W 5.10.199-cip39 #1 9684] [] (ksys_writ] (sys_write+0x1<4>[ 71.483213] PC is at 0xc5c23e0c 8/0x1c) # [ 70.907111] r9:c46<4>[ 71.489488] LR is at execute_location+0xa4/0xb4 ba000 r8:c03002e4 r7:000000<044> 71.497126] pc : [] lr : [] psr: 600e0013 r6:b6f29e00 r5:0000000a r4<:40>[0 71.506168] sp : c5c23de8 ip : c5c23cf0 fp : c5c23e04 00000a # [ 70.915151] [[ 71.514083] r10: 0000000b r9 : c1ad5318 r8 : c15ebbf4 e90>] (sys_write) from [0[ 71.522257] r7 : c5c23f60 r6 : 00000001 r5 : c5c23e0c r4 : c0c57668 0c0>] (ret_fast_syscall+0x0/<04x>[ 71.531562] r3 : 685a5054 r2 : 685a5054 r1 : ef7965e0 r0 : 0000002b 8) # [ 70.923002] Exception [ 71.540955] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none tack(0xc46bbfa8 to 0xc46bbf) 71.551035] Control: 10c5387d Table: 1689404a DAC: 00000051 # [ 70.928345] bfa0: 0>[ 71.559558] Process cat (pid: 1812, stack limit = 0x32ae91f9) 0000000a 0000000a 0<000[ 71.568340] Stack: (0xc5c23de8 to 0xc5c24000) 00001 b6de2000 0000000a 00000000 <0>[ 71.575568] 3de0: c5c22000 c6b33000 0000000b c5c23f60 c5c23e64 c5c23e08 # [ 70.936815] bfc0: 0000000a <0>[ 71.586871] 3e00: c13c6a58 c13c6818 c5c23e6c e1a0c00d e92dd800 e24cb004 e52de004 e8bd4000 0000000a b6f29e00 00000004 000000<0>[ 71.598168] 3e20: e89da800 e1a0c00d e92dd830 e24cb004 e52de004 e8bd4000 e3073374 e34c31b8 01 00000000 00020000 beb37ac4 # <0>[ 71.609467] 3e40: e3a02040 e3a01d33 e5930018 685a5054 0000000b 00000020 c5c23e74 c5c23e68 [ 70.945277] bfe0: 00000004 beb<0>[ 71.620768] 3e60: c0c568f8 c13c6a2c c5c23e9c c5c23e78 c0c56df8 c0c568d8 c0c56cd8 c6928b40 377f8 b6e93d8f b6e1a7e6 # [ 70<0>[ 71.632066] 3e80: b6e24000 0000000b c30bfd80 c5c23f60 c5c23ec4 c5c23ea0 c07e1338 c0c56ce4 .950621] Code: 00000000 c2b1b6c0 <0>[ 71.643365] 3ea0: 00000000 c6928b40 b6e24000 c2815800 c5c23f60 c07e12d4 c5c23f5c c5c23ec8 c2b1b780 c2b1b840 (e1a0c00d) # <0>[ 71.654668] 3ec0: c059b86c c07e12e0 00000001 00000000 c059be18 c13dbdd0 c059be18 c5c22000 [ 70.957009] ---[ end trace 707<0>[ 71.665967] 3ee0: b6e24000 00020000 00000004 0000000b 0001fff5 c5c23ee0 00000001 b6e23000 f2933438bd7e2 ]--- # EXEC_DATA: <0>[ 71.677265] 3f00: c5ffe780 00000000 00000000 00000000 00000000 00000000 00000000 00000000 missing 'call trace:': [FAIL] no<0>[ 71.688568] 3f20: 00000000 00000000 c13dbdd0 685a5054 c206c0e0 c6928b40 c6928b40 c5c22000 t ok 30 selftests: lkdtm: EXEC_DA<0>[ 71.699867] 3f40: b6e24000 00000000 00000000 00000004 c5c23f94 c5c23f60 c059be18 c059b76c TA.sh # exit=1 # selftests: lkdt<0>[ 71.711168] 3f60: 00000000 00000000 c5c23fac 685a5054 0000000b 0000000b b6f6be00 00000004 m: EXEC_STACK.sh <0>[ 71.722466] 3f80: c03002e4 c5c22000 c5c23fa4 c5c23f98 c059bea8 c059bdb0 00000000 c5c23fa8 <0>[ 71.732463] 3fa0: c03000c0 c059be9c 0000000b 0000000b 00000001 b6e24000 0000000b 00000000 <0>[ 71.740930] 3fc0: 0000000b 0000000b b6f6be00 00000004 00000001 00000000 00020000 becf9ac4 <0>[ 71.749396] 3fe0: 00000004 becf97f8 b6ed5d8f b6e5c7e6 800e0030 00000001 00000000 00000000 <0>[ 71.757851] Backtrace: <0>[ 71.760613] [] (execute_location) from [] (lkdtm_EXEC_STACK+0x38/0x54) <0>[ 71.769172] r7:c5c23f60 r6:0000000b r5:c6b33000 r4:c5c22000 <0>[ 71.775136] [] (lkdtm_EXEC_STACK) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 71.783594] r4:00000020 <0>[ 71.786422] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 71.794732] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 71.802941] r9:c5c23f60 r8:c30bfd80 r7:0000000b r6:b6e24000 r5:c6928b40 r4:c0c56cd8 <0>[ 71.810988] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 71.819108] r9:c07e12d4 r8:c5c23f60 r7:c2815800 r6:b6e24000 r5:c6928b40 r4:00000000 <0>[ 71.827147] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 71.834577] r10:00000004 r9:00000000 r8:00000000 r7:b6e24000 r6:c5c22000 r5:c6928b40 <0>[ 71.842686] r4:c6928b40 <0>[ 71.845517] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 71.852944] r9:c5c22000 r8:c03002e4 r7:00000004 r6:b6f6be00 r5:0000000b r4:0000000b <0>[ 71.860985] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 71.868834] Exception stack(0xc5c23fa8 to 0xc5c23ff0) <0>[ 71.874176] 3fa0: 0000000b 0000000b 00000001 b6e24000 0000000b 00000000 <0>[ 71.882647] 3fc0: 0000000b 0000000b b6f6be00 00000004 00000001 00000000 00020000 becf9ac4 <0>[ 71.891109] 3fe0: 00000004 becf97f8 b6ed5d8f b6e5c7e6 <0>[ 71.896451] Code: c5c23e08 c13c6a58 c13c6818 c5c23e6c (e1a0c00d) <4>[ 71.902837] ---[ end trace 707f2933438bd7e3 ]--- # Segmentation fault # [ 71.370428] lkdtm: Performing direct entry EXEC_STACK # [ 71.376866] lkdtm: attempting ok execution at c0c57668 # [ 71.384987] lkdtm: attempting bad execution at c5c23e0c # [ 71.393398] 8<--- cut here --- # [ 71.399508] Unable to handle kernel paging request at virtual address c5c23e0c # [ 71.409767] pgd = 54649c8e # [ 71.415509] [c5c23e0c] *pgd=15c1141e(bad) # [ 71.422652] Internal error: Oops: 8000000d [#4] SMP ARM # [ 71.430991] 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 imx_ldb can_dev etnaviv dw_hdmi_imx dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 # [ 71.462960] CPU: 1 PID: 1812 Comm: cat Tainted: G D W 5.10.199-cip39 #1 # [ 71.473816] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 71.483213] PC is at 0xc5c23e0c # [ 71.489488] LR is at execute_location+0xa4/0xb4 # [ 71.497126] pc : [] lr : [] psr: 600e0013 # [ 71.506168] sp : c5c23de8 ip : c5c23cf0 fp : c5c23e04 # [ 71.514083] r10: 0000000b r9 : c1ad5318 r8 : c15ebbf4 # [ 71.522257] r7 : c5c23f60 r6 : 00000001 r5 : c5c23e0c r4 : c0c57668 # [ 71.531562] r3 : 685a5054 r2 : 685a5054 r1 : ef7965e0 r0 : 0000002b # [ 71.540955] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 71.551035] Control: 10c5387d Table: 1689404a DAC: 00000051 # [ 71.559558] Process cat (pid: 1812, stack limit = 0x32ae91f9) # [ 71.568340] Stack: (0xc5c23de8 to 0xc5c24000) # [ 71.575568] 3de0: c5c22000 c6b33000 0000000b c5c23f60 c5c23e64 c5c23e08 # [ 71.586871] 3e00: c13c6a58 c13c6818 c5c23e6c e1a0c00d e92dd800 e24cb004 e52de004 e8bd4000 # [ 71.598168] 3e20: e89da800 e1a0c00d e92dd830 e24cb004 e52de004 e8bd4000 e3073374 e34c31b8 # [ 71.609467] 3e40: e3a02040 e3a01d33 e5930018 685a5054 0000000b 00000020 c5c23e74 c5c23e68 # [ 71.620768] 3e60: c0c568f8 c13c6a2c c5c23e9c c5c23e78 c0c56df8 c0c568d8 c0c56cd8 c6928b40 # [ 71.632066] 3e80: b6e24000 0000000b c30bfd80 c5c23f60 c5c23ec4 c5c23ea0 c07e1338 c0c56ce4 # [ 71.643365] 3ea0: 00000000 c6928b40 b6e24000 c2815800 c5c23f60 c07e12d4 c5c23f5c c5c23ec8 # [ 71.654668] 3ec0: c059b86c c07e12e0 00000001 00000000 c059be18 c13dbdd0 c059be18 c5c22000 # [ 71.665967] 3ee0: b6e24000 00020000 00000004 0000000b 0001fff5 c5c23ee0 00000001 b6e23000 # [ 71.677265] 3f00: c5ffe780 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 71.688568] 3f20: 00000000 00000000 c13dbdd0 685a5054 c206c0e0 c6928b40 c6928b40 c5c22000 # [ 71.699867] 3f40: b6e24000 00000000 00000000 00000004 c5c23f94 c5c23f60 c059be18 c059b76c # [ 71.711168] 3f60: 00000000 00000000 c5c23fac 685a5054 0000000b 0000000b b6f6be00 00000004 # [ 71.722466] 3f80: c03002e4 c5c22000 c5c23fa4 c5c23f98 c059bea8 c059bdb0 00000000 c5c23fa8 # [ 71.732463] 3fa0: c03000c0 c059be9c 0000000b 0000000b 00000001 b6e24000 0000000b 00000000 # [ 71.740930] 3fc0: 0000000b 0000000b b6f6be00 00000004 00000001 00000000 00020000 becf9ac4 # [ 71.749396] 3fe0: 00000004 becf97f8 b6ed5d8f b6e5c7e6 800e0030 00000001 00000000 00000000 # [ 71.757851] Backtrace: # [ 71.760613] [] (execute_location) from [] (lkdtm_EXEC_STACK+0x38/0x54) # [ 71.769172] r7:c5c23f60 r6:0000000b r5:c6b33000 r4:c5c22000 # [ 71.775136] [] (lkdtm_EXEC_STACK) from [] (lkdtm_do_action+0x2c/0x4c) # [ 71.783594] r4:00000020 # [ 71.786422] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 71.794732] [] (direct_entr<6>[ 72.317418] lkdtm: Performing direct entry EXEC_KMALLOC y) from [] (full_proxy_<6>[ 72.325028] lkdtm: attempting ok execution at c0c57668 write+0x64/0x94) # [ 71.802941<6>[ 72.334240] lkdtm: attempting bad execution at c6c424c0 ] r9:c5c23f60 r8:c30bfd80 r7:000<1>[ 72.342092] 8<--- cut here --- <1>[ 72.347896] Unable to handle kernel paging request at virtual address c6c424c0 <1>[ 72.355386] pgd = 424a1886 <1>[ 72.358358] [c6c424c0] *pgd=16c1141e(bad) <0>[ 72.362648] Internal error: Oops: 8000000d [#5] SMP ARM <4>[ 72.368140] 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 imx_ldb can_dev etnaviv dw_hdmi_imx dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 <4>[ 72.397435] CPU: 0 PID: 1892 Comm: cat Tainted: G D W 5.10.199-cip39 #1 <4>[ 72.405444] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 72.412242] PC is at 0xc6c424c0 <4>[ 72.415657] LR is at execute_location+0xa4/0xb4 <4>[ 72.420456] pc : [] lr : [] psr: 600e0013 <4>[ 72.426988] sp : c6ac3e30 ip : c6ac3d38 fp : c6ac3e4c <4>[ 72.432477] r10: 0000000d r9 : c1ad5324 r8 : c15ebbf4 <4>[ 72.437967] r7 : c6ac3f60 r6 : 00000001 r5 : c6c424c0 r4 : c0c57668 <4>[ 72.444760] r3 : aa4a577d r2 : aa4a577d r1 : ef7815e0 r0 : 0000002b <4>[ 72.451555] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 72.458955] Control: 10c5387d Table: 16a4804a DAC: 00000051 <0>[ 72.464966] Process cat (pid: 1892, stack limit = 0xdb4a02b0) <0>[ 72.470980] Stack: (0xc6ac3e30 to 0xc6ac4000) <0>[ 72.475606] 3e20: c6c424c0 c5c41000 0000000d c6ac3f60 <0>[ 72.484053] 3e40: c6ac3e64 c6ac3e50 c0c576b8 c13c6818 00000021 c5c41000 c6ac3e74 c6ac3e68 <0>[ 72.492499] 3e60: c0c568f8 c0c5768c c6ac3e9c c6ac3e78 c0c56df8 c0c568d8 c0c56cd8 c4755a40 <0>[ 72.500945] 3e80: b6dc6000 0000000d c30bfd80 c6ac3f60 c6ac3ec4 c6ac3ea0 c07e1338 c0c56ce4 <0>[ 72.509389] 3ea0: 00000000 c4755a40 b6dc6000 c2815800 c6ac3f60 c07e12d4 c6ac3f5c c6ac3ec8 <0>[ 72.517836] 3ec0: c059b86c c07e12e0 00000001 00000000 c059be18 c13dbdd0 c059be18 c6ac2000 <0>[ 72.526280] 3ee0: b6dc6000 00020000 00000004 0000000d 0001fff3 c6ac3ee0 00000001 b6dc5000 <0>[ 72.534727] 3f00: c5b7edc0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 72.543172] 3f20: 00000000 00000000 c13dbdd0 aa4a577d c206c0e0 c4755a40 c4755a40 c6ac2000 <0>[ 72.551619] 3f40: b6dc6000 00000000 00000000 00000004 c6ac3f94 c6ac3f60 c059be18 c059b76c <0>[ 72.560065] 3f60: 00000000 00000000 c6ac3fac aa4a577d 0000000d 0000000d b6f0de00 00000004 <0>[ 72.568509] 3f80: c03002e4 c6ac2000 c6ac3fa4 c6ac3f98 c059bea8 c059bdb0 00000000 c6ac3fa8 <0>[ 72.576954] 3fa0: c03000c0 c059be9c 0000000d 0000000d 00000001 b6dc6000 0000000d 00000000 <0>[ 72.585399] 3fc0: 0000000d 0000000d b6f0de00 00000004 00000001 00000000 00020000 bee10ac4 <0>[ 72.593843] 3fe0: 00000004 bee107f8 b6e77d8f b6dfe7e6 800e0030 00000001 00000000 00000000 <0>[ 72.602284] Backtrace: <0>[ 72.605013] [] (execute_location) from [] (lkdtm_EXEC_KMALLOC+0x38/0x44) <0>[ 72.613721] r7:c6ac3f60 r6:0000000d r5:c5c41000 r4:c6c424c0 <0>[ 72.619652] [] (lkdtm_EXEC_KMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 72.628268] r5:c5c41000 r4:00000021 <0>[ 72.632115] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 72.640396] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 72.648581] r9:c6ac3f60 r8:c30bfd80 r7:0000000d r6:b6dc6000 r5:c4755a40 r4:c0c56cd8 <0>[ 72.656600] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 72.664697] r9:c07e12d4 r8:c6ac3f60 r7:c2815800 r6:b6dc6000 r5:c4755a40 r4:00000000 <0>[ 72.672710] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 72.680114] r10:00000004 r9:00000000 r8:00000000 r7:b6dc6000 r6:c6ac2000 r5:c4755a40 <0>[ 72.688206] r4:c4755a40 <0>[ 72.691011] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 72.698414] r9:c6ac2000 r8:c03002e4 r7:00000004 r6:b6f0de00 r5:0000000d r4:0000000d <0>[ 72.706430] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 72.714264] Exception stack(0xc6ac3fa8 to 0xc6ac3ff0) <0>[ 72.719583] 3fa0: 0000000d 0000000d 00000001 b6dc6000 0000000d 00000000 <0>[ 72.728029] 3fc0: 0000000d 0000000d b6f0de00 00000004 00000001 00000000 00020000 bee10ac4 <0>[ 72.736471] 3fe0: 00000004 bee107f8 b6e77d8f b6dfe7e6 <0>[ 72.741793] Code: 1b000000 6b636f72 70696863 6970672c (e1a0c00d) <4>[ 72.748157] ---[ end trace 707f2933438bd7e4 ]--- 0000b r6:b6e24000 r5:c6928b40 r4:c0c56cd8 # [ 71.810988] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 71.819108] r9:c07e12d4 r8:c5c23f60 r7:c2815800 r6:b6e24000 r5:c6928b40 r4:00000000 # [ 71.827147] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 71.834577] r10:00000004 r9:00000000 r8:00000000 r7:b6e24000 r6:c5c22000 r5:c6928b40 # [ 71.842686] r4:c6928b40 # [ 71.845517] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 71.852944] r9:c5c22000 r8:c03002e4 r7:00000004 r6:b6f6be00 r5:0000000b r4:0000000b # [ 71.860985] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 71.868834] Exception stack(0xc5c23fa8 to 0xc5c23ff0) # [ 71.874176] 3fa0: 0000000b 0000000b 00000001 b6e24000 0000000b 00000000 # [ 71.882647] 3fc0: 0000000b 0000000b b6f6be00 00000004 00000001 00000000 00020000 becf9ac4 # [ 71.891109] 3fe0: 00000004 becf97f8 b6ed5d8f b6e5c7e6 # [ 71.896451] Code: c5c23e08 c13c6a58 c13c6818 c5c23e6c (e1a0c00d) # [ 71.902837] ---[ end trace 707f2933438bd7e3 ]--- # EXEC_STACK: missing 'call trace:': [FAIL] not ok 31 selftests: lkdtm: EXEC_STACK.sh # exit=1 # selftests: lkdtm: EXEC_KMALLOC.sh # Segmentation fault # [ 72.317418] lkdtm: Performing direct entry EXEC_KMALLOC # [ 72.325028] lkdtm: attempting ok execution at c0c57668 # [ 72.334240] lkdtm: attempting bad execution at c6c424c0 # [ 72.342092] 8<--- cut here --- # [ 72.347896] Unable to handle kernel paging request at virtual address c6c424c0 # [ 72.355386] pgd = 424a1886 # [ 72.358358] [c6c424c0] *pgd=16c1141e(bad) # [ 72.362648] Internal error: Oops: 8000000d [#5] SMP ARM # [ 72.368140] 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 imx_ldb can_dev etnaviv dw_hdmi_imx dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 # [ 72.397435] CPU: 0 PID: 1892 Comm: cat Tainted: G D W 5.10.199-cip39 #1 # [ 72.405444] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 72.412242] PC is at 0xc6c424c0 # [ 72.415657] LR is at execute_location+0xa4/0xb4 # [ 72.420456] pc : [] lr : [] psr: 600e0013 # [ 72.426988] sp : c6ac3e30 ip : c6ac3d38 fp : c6ac3e4c # [ 72.432477] r10: 0000000d r9 : c1ad5324 r8 : c15ebbf4 # [ 72.437967] r7 : c6ac3f60 r6 : 00000001 r5 : c6c424c0 r4 : c0c57668 # [ 72.444760] r3 : aa4a577d r2 : aa4a577d r1 : ef7815e0 r0 : 0000002b # [ 72.451555] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 72.458955] Control: 10c5387d Table: 16a4804a DAC: 00000051 # [ 72.464966] Process cat (pid: 1892, stack limit = 0xdb4a02b0) # [ 72.470980] Stack: (0xc6ac3e30 to 0xc6ac4000) # [ 72.475606] 3e20: c6c424c0 c5c41000 0000000d c6ac3f60 # [ 72.484053] 3e40: c6ac3e64 c6ac3e50 c0c576b8 c13c6818 00000021 c5c41000 c6ac3e74 c6ac3e68 # [ 72.492499] 3e60: c0c568f8 c0c5768c c6ac3e9c c6ac3e78 c0c56df8 c0c568d8 c0c56cd8 c4755a40 # [ 72.500945] 3e80: b6dc6000 0000000d c30bfd80 c6ac3f60 c6ac3ec4 c6ac3ea0 c07e1338 c0c56ce4 # [ 72.509389] 3ea0: 00000000 c4755a40 b6dc6000 c2815800 c6ac3f60 c07e12d4 c6ac3f5c c6ac3ec8 # [ 72.517836] 3ec0: c059b86c c07e12e0 00000001 00000000 c059be18 c13dbdd0 c059be18 c6ac2000 # [ 72.526280] 3ee0: b6dc6000 00020000 00000004 0000000d 0001fff3 c6ac3ee0 00000001 b6dc5000 # [ 72.534727] 3f00: c5b7edc0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 72.543172] 3f20: 00000000 00000000 c13dbdd0 aa4a577d c206c0e0 c4755a40 c4755a40 c6ac2000 # [ 72.551619] 3f40: b6dc6000 00000000 00000000 00000004 c6ac3f94 c6ac3f60 c059be18 c059b76c # [ 72.560065] 3f60: 00000000 00000000 c6ac3fac aa4a577d 0000000d 0000000d b6f0de00 00000004 # [ 72.568509] 3f80: c03002e4 c6ac2000 c6ac3fa4 c6ac3f98 c059bea8 c059bdb0 00000000 c6ac3fa8 # [ 72.576954] 3fa0: c03000c0 c059be9c 0000000d 0000000d 00000001 b6dc6000 0000000d 00000000 # [ 72.585399] 3fc0: 0000000d 0000000d b6f0de00 00000004 00000001 00000000 00020000 bee10ac4 # [ 72.593843] 3fe0: 00000004 bee107f8 b6e77d8f b6dfe7e6 800e0030 00000001 00000000 00000000 # [ 72.602284] Backtrace: # [ 72.605013] [] (execute_location) from [] (lkdtm_EXEC_KMALLOC+0x38/0x44) # [ 72.613721] r7:c6ac3f60 r6:0000000d r5:c5c41000 r4:c6c424c0 # [ 72.619652] [] (lkdtm_EXEC_KMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) # [ 72.628268] r5:c5c41000 r4:00000021 # [ 72.632115] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 72.640396] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 72.648581] r9:c6ac3f60 r8:c30bfd80 r7:0000000d r6:b6dc6000 r5:c4755a40 r4:c0c56cd8 # [ 72.656600] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 72.664697] r9:c07e12d4 r8:c6ac3f60 r7:c2815800 r6:b6dc6000 r5:c4755a40 r4:00000000 # [ 72.672710] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 72.680114] r10:00000004 r9:00000000 r8:00000000 r7:b6dc6000 r6:c6ac2000 r5:c4755a40 # [ 72.688206] r4:c4755<6>[ 73.221753] lkdtm: Performing direct entry EXEC_VMALLOC a40 # [ 72.691011] [<6>[ 73.227784] lkdtm: attempting ok execution at c0c57668 ] (ksys_write) from [] <6>[ 73.236090] lkdtm: attempting bad execution at f0970000 (sys_write+0x18/0x1c) # [ 72.6<1>[ 73.244403] 8<--- cut here --- 98414] r9:c6ac2000 r8:c03002e4 r<1>[ 73.250623] Unable to handle kernel paging request at virtual address f0970000 7:00000004 r6:b6f0de00 r5:0000000<1>[ 73.262120] pgd = d4a29a9c d r4:0000000d # [ 72.706430] [<1>[ 73.266887] [f0970000] *pgd=1294b811, *pte=4939265f, *ppte=4939245f ] (sys_write) from [[ 73.276296] Internal error: Oops: 8000000f [#6] SMP ARM <4>[ 73.284609] 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 imx_ldb can_dev etnaviv dw_hdmi_imx dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 <4>[ 73.313904] CPU: 0 PID: 1970 Comm: cat Tainted: G D W 5.10.199-cip39 #1 <4>[ 73.321914] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 73.328712] PC is at 0xf0970000 <4>[ 73.332127] LR is at execute_location+0xa4/0xb4 <4>[ 73.336923] pc : [] lr : [] psr: 600e0013 <4>[ 73.343454] sp : c681de30 ip : 00000027 fp : c681de4c <4>[ 73.348944] r10: 0000000d r9 : c1ad5334 r8 : c15ebbf4 <4>[ 73.354433] r7 : c681df60 r6 : 00000001 r5 : f0970000 r4 : c0c57668 <4>[ 73.361225] r3 : 1e28632e r2 : 1e28632e r1 : ef7815e4 r0 : 0000002b <4>[ 73.368019] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 73.375420] Control: 10c5387d Table: 1688404a DAC: 00000051 <0>[ 73.381431] Process cat (pid: 1970, stack limit = 0x982480b7) <0>[ 73.387444] Stack: (0xc681de30 to 0xc681e000) <0>[ 73.392070] de20: f0970000 c5c43000 0000000d c681df60 <0>[ 73.400517] de40: c681de64 c681de50 c0c576ec c13c6818 00000022 c5c43000 c681de74 c681de68 <0>[ 73.408961] de60: c0c568f8 c0c576d0 c681de9c c681de78 c0c56df8 c0c568d8 c0c56cd8 c47557c0 <0>[ 73.417406] de80: b6e00000 0000000d c30bfd80 c681df60 c681dec4 c681dea0 c07e1338 c0c56ce4 <0>[ 73.425852] dea0: 00000000 c47557c0 b6e00000 c2815800 c681df60 c07e12d4 c681df5c c681dec8 <0>[ 73.434298] dec0: c059b86c c07e12e0 00000001 00000000 c059be18 c593b764 c059be18 c681c000 <0>[ 73.442744] dee0: b6e00000 00020000 00000004 0000000d 0001fff3 c681dee0 00000001 00000805 <0>[ 73.451188] df00: c6928000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 73.459633] df20: 00000000 00000000 c681c000 1e28632e b6dff000 c47557c0 c47557c0 c681c000 <0>[ 73.468078] df40: b6e00000 00000000 00000000 00000004 c681df94 c681df60 c059be18 c059b76c <0>[ 73.476524] df60: 00000000 00000000 c681dfac 1e28632e 0000000d 0000000d b6f47e00 00000004 <0>[ 73.484969] df80: c03002e4 c681c000 c681dfa4 c681df98 c059bea8 c059bdb0 00000000 c681dfa8 <0>[ 73.493414] dfa0: c03000c0 c059be9c 0000000d 0000000d 00000001 b6e00000 0000000d 00000000 <0>[ 73.501860] dfc0: 0000000d 0000000d b6f47e00 00000004 00000001 00000000 00020000 bea7bac4 <0>[ 73.510305] dfe0: 00000004 bea7b7f8 b6eb1d8f b6e387e6 800e0030 00000001 00000000 00000000 <0>[ 73.518745] Backtrace: <0>[ 73.521475] [] (execute_location) from [] (lkdtm_EXEC_VMALLOC+0x28/0x34) <0>[ 73.530184] r7:c681df60 r6:0000000d r5:c5c43000 r4:f0970000 <0>[ 73.536114] [] (lkdtm_EXEC_VMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 73.544730] r5:c5c43000 r4:00000022 <0>[ 73.548576] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 73.556855] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 73.565041] r9:c681df60 r8:c30bfd80 r7:0000000d r6:b6e00000 r5:c47557c0 r4:c0c56cd8 <0>[ 73.573059] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 73.581157] r9:c07e12d4 r8:c681df60 r7:c2815800 r6:b6e00000 r5:c47557c0 r4:00000000 <0>[ 73.589169] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 73.596573] r10:00000004 r9:00000000 r8:00000000 r7:b6e00000 r6:c681c000 r5:c47557c0 <0>[ 73.604667] r4:c47557c0 <0>[ 73.607471] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 73.614875] r9:c681c000 r8:c03002e4 r7:00000004 r6:b6f47e00 r5:0000000d r4:0000000d <0>[ 73.622891] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 73.630725] Exception stack(0xc681dfa8 to 0xc681dff0) <0>[ 73.636045] dfa0: 0000000d 0000000d 00000001 b6e00000 0000000d 00000000 <0>[ 73.644491] dfc0: 0000000d 0000000d b6f47e00 00000004 00000001 00000000 00020000 bea7bac4 <0>[ 73.652933] dfe0: 00000004 bea7b7f8 b6eb1d8f b6e387e6 <0>[ 73.658259] Code: bad PC value 3000c0>] (ret_fast_syscall+0x0/0x<4>[ 73.661647] ---[ end trace 707f2933438bd7e5 ]--- 28) # [ 72.714264] Exception stack(0xc6ac3fa8 to 0xc6ac3ff0) # [ 72.719583] 3fa0: 0000000d 0000000d 00000001 b6dc6000 0000000d 00000000 # [ 72.728029] 3fc0: 0000000d 0000000d b6f0de00 00000004 00000001 00000000 00020000 bee10ac4 # [ 72.736471] 3fe0: 00000004 bee107f8 b6e77d8f b6dfe7e6 # [ 72.741793] Code: 1b000000 6b636f72 70696863 6970672c (e1a0c00d) # [ 72.748157] ---[ end trace 707f2933438bd7e4 ]--- # EXEC_KMALLOC: missing 'call trace:': [FAIL] not ok 32 selftests: lkdtm: EXEC_KMALLOC.sh # exit=1 # selftests: lkdtm: EXEC_VMALLOC.sh # Segmentation fault # [ 73.221753] lkdtm: Performing direct entry EXEC_VMALLOC # [ 73.227784] lkdtm: attempting ok execution at c0c57668 # [ 73.236090] lkdtm: attempting bad execution at f0970000 # [ 73.244403] 8<--- cut here --- # [ 73.250623] Unable to handle kernel paging request at virtual address f0970000 # [ 73.262120] pgd = d4a29a9c # [ 73.266887] [f0970000] *pgd=1294b811, *pte=4939265f, *ppte=4939245f # [ 73.276296] Internal error: Oops: 8000000f [#6] SMP ARM # [ 73.284609] 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 imx_ldb can_dev etnaviv dw_hdmi_imx dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 # [ 73.313904] CPU: 0 PID: 1970 Comm: cat Tainted: G D W 5.10.199-cip39 #1 # [ 73.321914] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 73.328712] PC is at 0xf0970000 # [ 73.332127] LR is at execute_location+0xa4/0xb4 # [ 73.336923] pc : [] lr : [] psr: 600e0013 # [ 73.343454] sp : c681de30 ip : 00000027 fp : c681de4c # [ 73.348944] r10: 0000000d r9 : c1ad5334 r8 : c15ebbf4 # [ 73.354433] r7 : c681df60 r6 : 00000001 r5 : f0970000 r4 : c0c57668 # [ 73.361225] r3 : 1e28632e r2 : 1e28632e r1 : ef7815e4 r0 : 0000002b # [ 73.368019] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 73.375420] Control: 10c5387d Table: 1688404a DAC: 00000051 # [ 73.381431] Process cat (pid: 1970, stack limit = 0x982480b7) # [ 73.387444] Stack: (0xc681de30 to 0xc681e000) # [ 73.392070] de20: f0970000 c5c43000 0000000d c681df60 # [ 73.400517] de40: c681de64 c681de50 c0c576ec c13c6818 00000022 c5c43000 c681de74 c681de68 # [ 73.408961] de60: c0c568f8 c0c576d0 c681de9c c681de78 c0c56df8 c0c568d8 c0c56cd8 c47557c0 # [ 73.417406] de80: b6e00000 0000000d c30bfd80 c681df60 c681dec4 c681dea0 c07e1338 c0c56ce4 # [ 73.425852] dea0: 00000000 c47557c0 b6e00000 c2815800 c681df60 c07e12d4 c681df5c c681dec8 # [ 73.434298] dec0: c059b86c c07e12e0 00000001 00000000 c059be18 c593b764 c059be18 c681c000 # [ 73.442744] dee0: b6e00000 00020000 00000004 0000000d 0001fff3 c681dee0 00000001 00000805 # [ 73.451188] df00: c6928000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 73.459633] df20: 00000000 00000000 c681c000 1e28632e b6dff000 c47557c0 c47557c0 c681c000 # [ 73.468078] df40: b6e00000 00000000 00000000 00000004 c681df94 c681df60 c059be18 c059b76c # [ 73.476524] df60: 00000000 00000000 c681dfac 1e28632e 0000000d 0000000d b6f47e00 00000004 # [ 73.484969] df80: c03002e4 c681c000 c681dfa4 c681df98 c059bea8 c059bdb0 00000000 c681dfa8 # [ 73.493414] dfa0: c03000c0 c059be9c 0000000d 0000000d 00000001 b6e00000 0000000d 00000000 # [ 73.501860] dfc0: 0000000d 0000000d b6f47e00 00000004 00000001 00000000 00020000 bea7bac4 # [ 73.510305] dfe0: 00000004 bea7b7f8 b6eb1d8f b6e387e6 800e0030 00000001 00000000 00000000 # [ 73.518745] Backtrace: # [ 73.521475] [] (execute_location) from [] (lkdtm_EXEC_VMALLOC+0x28/0x34) # [ 73.530184] r7:c681df60 r6:0000000d r5:c5c43000 r4:f0970000 # [ 73.536114] [] (lkdtm_EXEC_VMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) # [ 73.544730] r5:c5c43000 r4:00000022 # [ 73.548576] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 73.556855] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 73.565041] r9:c681df60 r8:c30bfd80 r7:0000000d r6:b6e00000 r5:c47557c0 r4:c0c56cd8 # [ 73.573059] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 73.581157] r9:c07e12d4 r8:c681df60 r7:c2815800 r6:b6e00000 r5:c47557c0 r4:00000000 # [ 73.589169] [] (vfs_wri<6>[ 74.121817] lkdtm: Performing direct entry EXEC_RODATA te) from [] (ksys_write<6>[ 74.127511] lkdtm: attempting ok execution at c0c57668 +0x74/0xec) # [ 73.596573] r1<6>[ 74.135835] lkdtm: attempting bad execution at c15ebe90 0:00000004 r9:00000000 r8:0000000<1>[ 74.144047] 8<--- cut here --- 0 r7:b6e00<010>0[ r 6 :7c46.81150206] Unable to handle kernel paging request at virtual address c15ebe90 000 r5:c4755<71c>0[ # 7[4 . 159512] pgd = 49615f0c 73.604667] r4:c47557c0 #< 1[> [ 74.164387] [c15ebe90] *pgd=1141941e(bad) 73.607471] [b[d a 47>4]171176] Internal error: Oops: 8000000d [#7] SMP ARM (ksys_write) from [] (<4>[ 74.178654] 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 imx_ldb can_dev etnaviv dw_hdmi_imx dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 sys_write+0x18/0x1c)< 4 >#[ [ 74.210620] CPU: 3 PID: 2048 Comm: cat Tainted: G D W 5.10.199-cip39 #1 73.614875<]4 > [r 9 : c7648.12c20873] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 00 r8:c03002e4 r7:00000<040>4[ r 74.229490] PC is at lkdtm_rodata_do_nothing+0x0/0x10 6:b6f47e00 r5:000000<04d> [r 4 : 74.237143] LR is at execute_location+0xa4/0xb4 000000d # <[4 > [ 7 3 .7642.2244181] pc : [] lr : [] psr: 600e0013 91] [e[9 0 > ]7 4(.s2y5s528] sp : c6af7e38 ip : 00000027 fp : c6af7e54 _write) fro[[< c 0 37040.02c9749] r10: 0000000c r9 : c1ad5344 r8 : c15ebbf4 0>] (ret_s[t _ s y7s4c.a26l7054] r7 : c6af7f60 r6 : 00000000 r5 : c15ebe90 r4 : c0c57668 +0x0/0x28<)4 > [# [ 7 4 .7237.577] r3 : 4c84c31e r2 : 4c84c31e r1 : ef7c05e4 r0 : 0000002b 630725] Excepo[n s t7a4c.k84100] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none (0xc681dfa<84 >t[o 0 x7c46.82193401] Control: 10c5387d Table: 146d804a DAC: 00000051 ff0) # [ < 07>3[. 6 3 67044.53]1229] Process cat (pid: 2048, stack limit = 0x98a8f30c) dfa0: < 0 > [ 7 4 . 3 0 9056] Stack: (0xc6af7e38 to 0xc6af8000) 0000000d <000>0[0 0 0 07d4 .015411] 7e20: 00000023 c6b3f000 0000001 b6e00000 <000>0[0 0 0 07d.325758] 7e40: 0000000c c6af7f60 c6af7e64 c6af7e58 c13c6a98 c13c6818 c6af7e74 c6af7e68 00000000 # [< 0 > [7 3 . 67444.336274] 7e60: c0c568f8 c13c6a80 c6af7e9c c6af7e78 c0c56df8 c0c568d8 c0c56cd8 c5ff4c80 91] dfc0: 0000<000>0[d 0 07040.346708] 7e80: b6e9d000 0000000c c30bfd80 c6af7f60 c6af7ec4 c6af7ea0 c07e1338 c0c56ce4 00d b6f47e00 00<000>0[0 0 4 7040357139] 7ea0: 00000000 c5ff4c80 b6e9d000 c2815800 c6af7f60 c07e12d4 c6af7f5c c6af7ec8 000001 00000000< 00>0[0 2 0 07040367570] 7ec0: c059b86c c07e12e0 00000001 00000000 c059be18 c13dbdd0 c059be18 c6af6000 bea7bac4 # <[0 > [ 7 3 .7645.278001] 7ee0: b6e9d000 00020000 00000004 0000000c 0001fff4 c6af7ee0 00000001 b6e9c000 933] dfe0: 0<000>0[0 0 0 47 4b.e388346] 7f00: c5bdba40 00000000 00000000 00000000 00000000 00000000 00000000 00000000 7b7f8 b6eb1d8f b<60e>3[8 7 e 67 4.398692] 7f20: 00000000 00000000 c13dbdd0 4c84c31e c206c0e0 c5ff4c80 c5ff4c80 c6af6000 # [ 73.658259]< 0C>o[d e : 7b4.409211] 7f40: b6e9d000 00000000 00000000 00000004 c6af7f94 c6af7f60 c059be18 c059b76c d PC value # [ < 0 >7[3 . 6 6714.419730] 7f60: 00000000 00000000 c6af7fac 4c84c31e 0000000c 0000000c b6fe4e00 00000004 47] ---[ end tre[ 7 0 77f42430247] 7f80: c03002e4 c6af6000 c6af7fa4 c6af7f98 c059bea8 c059bdb0 00000000 c6af7fa8 933438bd7e5 ]<-0->-[ # 7E4X.E40677] 7fa0: c03000c0 c059be9c 0000000c 0000000c 00000001 b6e9d000 0000000c 00000000 C_VMALLOC: misn[g ' c7a4l.451023] 7fc0: 0000000c 0000000c b6fe4e00 00000004 00000001 00000000 00020000 bef07ac4 trace:': [FAI [ n o t7 4o.461454] 7fe0: 00000004 bef077f8 b6f4ed8f b6ed57e6 800e0030 00000001 00000000 00000000 33 selftests: d[t m : 7E4X471880] Backtrace: EC_VMALLOC.sh # exit=1 <#0 >s[e 74.476593] [] (execute_location) from [] (lkdtm_EXEC_RODATA+0x24/0x28) ftests: lkdtm: EXEC<_0R>O[D A T A4.487628] r7:c6af7f60 r6:0000000c r5:c6b3f000 r4:00000023 .sh <0>[ 74.495720] [] (lkdtm_EXEC_RODATA) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 74.504674] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 74.512954] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 74.521140] r9:c6af7f60 r8:c30bfd80 r7:0000000c r6:b6e9d000 r5:c5ff4c80 r4:c0c56cd8 <0>[ 74.529159] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 74.537257] r9:c07e12d4 r8:c6af7f60 r7:c2815800 r6:b6e9d000 r5:c5ff4c80 r4:00000000 <0>[ 74.545269] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 74.552674] r10:00000004 r9:00000000 r8:00000000 r7:b6e9d000 r6:c6af6000 r5:c5ff4c80 <0>[ 74.560767] r4:c5ff4c80 <0>[ 74.563570] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 74.570973] r9:c6af6000 r8:c03002e4 r7:00000004 r6:b6fe4e00 r5:0000000c r4:0000000c <0>[ 74.578989] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 74.586822] Exception stack(0xc6af7fa8 to 0xc6af7ff0) <0>[ 74.592141] 7fa0: 0000000c 0000000c 00000001 b6e9d000 0000000c 00000000 <0>[ 74.600586] 7fc0: 0000000c 0000000c b6fe4e00 00000004 00000001 00000000 00020000 bef07ac4 <0>[ 74.609030] 7fe0: 00000004 bef077f8 b6f4ed8f b6ed57e6 <0>[ 74.614352] Code: 5f727563 6e756f63 00000074 aa55aa55 (e1a0c00d) <4>[ 74.620716] ---[ end trace 707f2933438bd7e6 ]--- # Segmentation fault # [ 74.121817] lkdtm: Performing direct entry EXEC_RODATA # [ 74.127511] lkdtm: attempting ok execution at c0c57668 # [ 74.135835] lkdtm: attempting bad execution at c15ebe90 # [ 74.144047] 8<--- cut here --- # [ 74.150206] Unable to handle kernel paging request at virtual address c15ebe90 # [ 74.159512] pgd = 49615f0c # [ 74.164387] [c15ebe90] *pgd=1141941e(bad) # [ 74.171176] Internal error: Oops: 8000000d [#7] SMP ARM # [ 74.178654] 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 imx_ldb can_dev etnaviv dw_hdmi_imx dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 # [ 74.210620] CPU: 3 PID: 2048 Comm: cat Tainted: G D W 5.10.199-cip39 #1 # [ 74.220873] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 74.229490] PC is at lkdtm_rodata_do_nothing+0x0/0x10 # [ 74.237143] LR is at execute_location+0xa4/0xb4 # [ 74.244181] pc : [] lr : [] psr: 600e0013 # [ 74.252528] sp : c6af7e38 ip : 00000027 fp : c6af7e54 # [ 74.259749] r10: 0000000c r9 : c1ad5344 r8 : c15ebbf4 # [ 74.267054] r7 : c6af7f60 r6 : 00000000 r5 : c15ebe90 r4 : c0c57668 # [ 74.275577] r3 : 4c84c31e r2 : 4c84c31e r1 : ef7c05e4 r0 : 0000002b # [ 74.284100] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 74.293401] Control: 10c5387d Table: 146d804a DAC: 00000051 # [ 74.301229] Process cat (pid: 2048, stack limit = 0x98a8f30c) # [ 74.309056] Stack: (0xc6af7e38 to 0xc6af8000) # [ 74.315411] 7e20: 00000023 c6b3f000 # [ 74.325758] 7e40: 0000000c c6af7f60 c6af7e64 c6af7e58 c13c6a98 c13c6818 c6af7e74 c6af7e68 # [ 74.336274] 7e60: c0c568f8 c13c6a80 c6af7e9c c6af7e78 c0c56df8 c0c568d8 c0c56cd8 c5ff4c80 # [ 74.346708] 7e80: b6e9d000 0000000c c30bfd80 c6af7f60 c6af7ec4 c6af7ea0 c07e1338 c0c56ce4 # [ 74.357139] 7ea0: 00000000 c5ff4c80 b6e9d000 c2815800 c6af7f60 c07e12d4 c6af7f5c c6af7ec8 # [ 74.367570] 7ec0: c059b86c c07e12e0 00000001 00000000 c059be18 c13dbdd0 c059be18 c6af6000 # [ 74.378001] 7ee0: b6e9d000 00020000 00000004 0000000c 0001fff4 c6af7ee0 00000001 b6e9c000 # [ 74.388346] 7f00: c5bdba40 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 74.398692] 7f20: 00000000 00000000 c13dbdd0 4c84c31e c206c0e0 c5ff4c80 c5ff4c80 c6af6000 # [ 74.409211] 7f40: b6e9d000 00000000 00000000 00000004 c6af7f94 c6af7f60 c059be18 c059b76c # [ 74.419730] 7f60: 00000000 00000000 c6af7fac 4c84c31e 0000000c 0000000c b6fe4e00 00000004 # [ 74.430247] 7f80: c03002e4 c6af6000 c6af7fa4 c6af7f98 c059bea8 c059bdb0 00000000 c6af7fa8 # [ 74.440677] 7fa0: c03000c0 c059be9c 0000000c 0000000c 00000001 b6e9d000 0000000c 00000000 # [ 74.451023] 7fc0: 0000000c 0000000c b6fe4e00 00000004 00000001 00000000 00020000 bef07ac4 # [ 74.461454] 7fe0: 00000004 bef077f8 b6f4ed8f b6ed57e6 800e0030 00000001 00000000 00000000 # [ 74.471880] Backtrace: # [ 74.476593] [] (execute_location) from [] (lkdtm_EXEC_RODATA+0x24/0x28) # [ 74.487628] r7:c6af7f60 r6:0000000c r5:c6b3f000 r4:00000023 # [ 74.495720] [] (lkdtm_EXEC_RODATA) from [] (lkdtm_do_action+0x2c/0x4c) # [ 74.504674] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 74.512954] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 74.521140] r9:c6af7f60 r8:c30bfd80 r7:0000000c r6:b6e9d000 r5:c5ff4c80 r4:c0c56cd8 # [ 74.529159] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 74.537257] r9:c07e12d4 r8:c6af7f60 r7<6>[ 75.085998] lkdtm: Performing direct entry EXEC_USERSPACE :c2815800 r6:b6e9d000 r5:c5ff4c80<6>[ 75.093442] lkdtm: attempting ok execution at c0c57668 r4:00000000 # [ 74.545269] [<<6>[ 75.103062] lkdtm: attempting bad execution at b6f71000 c059b760>] (vfs_write) from [[ 75.110143] Unhandled prefetch abort: page domain fault (0x00b) at 0xb6f71000 <0>[ 75.120341] Internal error: : b [#8] SMP ARM <4>[ 75.124880] 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 imx_ldb can_dev etnaviv dw_hdmi_imx dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 <4>[ 75.154175] CPU: 0 PID: 2125 Comm: cat Tainted: G D W 5.10.199-cip39 #1 <4>[ 75.162183] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 75.168981] PC is at 0xb6f71000 <4>[ 75.172396] LR is at lkdtm_EXEC_USERSPACE+0xc4/0xd4 <4>[ 75.177540] pc : [] lr : [] psr: 60070013 <4>[ 75.184072] sp : c6ac3e48 ip : c6ac3d50 fp : c6ac3e64 <4>[ 75.189562] r10: 0000000f r9 : c1ad5350 r8 : c15ebbf4 <4>[ 75.195052] r7 : c6ac3f60 r6 : 0000000f r5 : c5c64000 r4 : b6f71000 <4>[ 75.201844] r3 : f6750510 r2 : f6750510 r1 : ef7815e0 r0 : 0000002b <4>[ 75.208638] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 75.216039] Control: 10c5387d Table: 15f6c04a DAC: 00000051 <0>[ 75.222053] Process cat (pid: 2125, stack limit = 0xdb4a02b0) <0>[ 75.228064] Stack: (0xc6ac3e48 to 0xc6ac4000) <0>[ 75.232691] 3e40: 00000001 00000000 0000000f 00000024 c6ac3e74 c6ac3e68 <0>[ 75.241137] 3e60: c0c568f8 c0c57704 c6ac3e9c c6ac3e78 c0c56df8 c0c568d8 c0c56cd8 c466a3c0 <0>[ 75.249583] 3e80: b6e2b000 0000000f c30bfd80 c6ac3f60 c6ac3ec4 c6ac3ea0 c07e1338 c0c56ce4 <0>[ 75.258029] 3ea0: 00000000 c466a3c0 b6e2b000 c2815800 c6ac3f60 c07e12d4 c6ac3f5c c6ac3ec8 <0>[ 75.266476] 3ec0: c059b86c c07e12e0 00000001 00000000 c059be18 c13dbdd0 c059be18 c6ac2000 <0>[ 75.274921] 3ee0: b6e2b000 00020000 00000004 0000000f 0001fff1 c6ac3ee0 00000001 b6e2a000 <0>[ 75.283367] 3f00: c5bda140 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 75.291814] 3f20: 00000000 00000000 c13dbdd0 f6750510 c206c0e0 c466a3c0 c466a3c0 c6ac2000 <0>[ 75.300260] 3f40: b6e2b000 00000000 00000000 00000004 c6ac3f94 c6ac3f60 c059be18 c059b76c <0>[ 75.308707] 3f60: 00000000 00000000 c6ac3fac f6750510 0000000f 0000000f b6f72e00 00000004 <0>[ 75.317154] 3f80: c03002e4 c6ac2000 c6ac3fa4 c6ac3f98 c059bea8 c059bdb0 00000000 c6ac3fa8 <0>[ 75.325600] 3fa0: c03000c0 c059be9c 0000000f 0000000f 00000001 b6e2b000 0000000f 00000000 <0>[ 75.334047] 3fc0: 0000000f 0000000f b6f72e00 00000004 00000001 00000000 00020000 beb3fac4 <0>[ 75.342491] 3fe0: 00000004 beb3f7f8 b6edcd8f b6e637e6 800e0030 00000001 00000000 00000000 <0>[ 75.350931] Backtrace: <0>[ 75.353657] [] (lkdtm_EXEC_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 75.362447] r4:00000024 <0>[ 75.365252] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 75.373532] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 75.381718] r9:c6ac3f60 r8:c30bfd80 r7:0000000f r6:b6e2b000 r5:c466a3c0 r4:c0c56cd8 <0>[ 75.389736] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 75.397835] r9:c07e12d4 r8:c6ac3f60 r7:c2815800 r6:b6e2b000 r5:c466a3c0 r4:00000000 <0>[ 75.405847] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 75.413251] r10:00000004 r9:00000000 r8:00000000 r7:b6e2b000 r6:c6ac2000 r5:c466a3c0 <0>[ 75.421345] r4:c466a3c0 <0>[ 75.424150] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 75.431553] r9:c6ac2000 r8:c03002e4 r7:00000004 r6:b6f72e00 r5:0000000f r4:0000000f <0>[ 75.439570] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 75.447404] Exception stack(0xc6ac3fa8 to 0xc6ac3ff0) <0>[ 75.452724] 3fa0: 0000000f 0000000f 00000001 b6e2b000 0000000f 00000000 <0>[ 75.461170] 3fc0: 0000000f 0000000f b6f72e00 00000004 00000001 00000000 00020000 beb3fac4 <0>[ 75.469612] 3fe0: 00000004 beb3f7f8 b6edcd8f b6e637e6 <0>[ 75.474936] Code: bad PC value <4>[ 75.478260] ---[ end trace 707f2933438bd7e7 ]--- 9be18>] (ksys_write+0x74/0xec) # [ 74.552674] r10:00000004 r9:00000000 r8:00000000 r7:b6e9d000 r6:c6af6000 r5:c5ff4c80 # [ 74.560767] r4:c5ff4c80 # [ 74.563570] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 74.570973] r9:c6af6000 r8:c03002e4 r7:00000004 r6:b6fe4e00 r5:0000000c r4:0000000c # [ 74.578989] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 74.586822] Exception stack(0xc6af7fa8 to 0xc6af7ff0) # [ 74.592141] 7fa0: 0000000c 0000000c 00000001 b6e9d000 0000000c 00000000 # [ 74.600586] 7fc0: 0000000c 0000000c b6fe4e00 00000004 00000001 00000000 00020000 bef07ac4 # [ 74.609030] 7fe0: 00000004 bef077f8 b6f4ed8f b6ed57e6 # [ 74.614352] Code: 5f727563 6e756f63 00000074 aa55aa55 (e1a0c00d) # [ 74.620716] ---[ end trace 707f2933438bd7e6 ]--- # EXEC_RODATA: missing 'call trace:': [FAIL] not ok 34 selftests: lkdtm: EXEC_RODATA.sh # exit=1 # selftests: lkdtm: EXEC_USERSPACE.sh # Segmentation fault # [ 75.085998] lkdtm: Performing direct entry EXEC_USERSPACE # [ 75.093442] lkdtm: attempting ok execution at c0c57668 # [ 75.103062] lkdtm: attempting bad execution at b6f71000 # [ 75.110143] Unhandled prefetch abort: page domain fault (0x00b) at 0xb6f71000 # [ 75.120341] Internal error: : b [#8] SMP ARM # [ 75.124880] 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 imx_ldb can_dev etnaviv dw_hdmi_imx dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 # [ 75.154175] CPU: 0 PID: 2125 Comm: cat Tainted: G D W 5.10.199-cip39 #1 # [ 75.162183] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 75.168981] PC is at 0xb6f71000 # [ 75.172396] LR is at lkdtm_EXEC_USERSPACE+0xc4/0xd4 # [ 75.177540] pc : [] lr : [] psr: 60070013 # [ 75.184072] sp : c6ac3e48 ip : c6ac3d50 fp : c6ac3e64 # [ 75.189562] r10: 0000000f r9 : c1ad5350 r8 : c15ebbf4 # [ 75.195052] r7 : c6ac3f60 r6 : 0000000f r5 : c5c64000 r4 : b6f71000 # [ 75.201844] r3 : f6750510 r2 : f6750510 r1 : ef7815e0 r0 : 0000002b # [ 75.208638] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 75.216039] Control: 10c5387d Table: 15f6c04a DAC: 00000051 # [ 75.222053] Process cat (pid: 2125, stack limit = 0xdb4a02b0) # [ 75.228064] Stack: (0xc6ac3e48 to 0xc6ac4000) # [ 75.232691] 3e40: 00000001 00000000 0000000f 00000024 c6ac3e74 c6ac3e68 # [ 75.241137] 3e60: c0c568f8 c0c57704 c6ac3e9c c6ac3e78 c0c56df8 c0c568d8 c0c56cd8 c466a3c0 # [ 75.249583] 3e80: b6e2b000 0000000f c30bfd80 c6ac3f60 c6ac3ec4 c6ac3ea0 c07e1338 c0c56ce4 # [ 75.258029] 3ea0: 00000000 c466a3c0 b6e2b000 c2815800 c6ac3f60 c07e12d4 c6ac3f5c c6ac3ec8 # [ 75.266476] 3ec0: c059b86c c07e12e0 00000001 00000000 c059be18 c13dbdd0 c059be18 c6ac2000 # [ 75.274921] 3ee0: b6e2b000 00020000 00000004 0000000f 0001fff1 c6ac3ee0 00000001 b6e2a000 # [ 75.283367] 3f00: c5bda140 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 75.291814] 3f20: 00000000 00000000 c13dbdd0 f6750510 c206c0e0 c466a3c0 c466a3c0 c6ac2000 # [ 75.300260] 3f40: b6e2b000 00000000 00000000 00000004 c6ac3f94 c6ac3f60 c059be18 c059b76c # [ 75.308707] 3f60: 00000000 00000000 c6ac3fac f6750510 0000000f 0000000f b6f72e00 00000004 # [ 75.317154] 3f80: c03002e4 c6ac2000 c6ac3fa4 c6ac3f98 c059bea8 c059bdb0 00000000 c6ac3fa8 # [ 75.325600] 3fa0: c03000c0 c059be9c 0000000f 0000000f 00000001 b6e2b000 0000000f 00000000 # [ 75.334047] 3fc0: 0000000f 0000000f b6f72e00 00000004 00000001 00000000 00020000 beb3fac4 # [ 75.342491] 3fe0: 00000004 beb3f7f8 b6edcd8f b6e637e6 800e0030 00000001 00000000 00000000 # [ 75.350931] Backtrace: # [ 75.353657] [] (lkdtm_EXEC_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 75.362447] r4:00000024 # [ 75.365252] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 75.373532] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 75.381718] r9:c6ac3f60 r8:c30bfd80 r7:0000000f r6:b6e2b000 r5:c466a3c0 r4:c0c56cd8 # [ 75.389736] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 75.397835] r9:c07e12d4 r8:c6ac3f60 r7:c2815800 r6:b6e2b000 r5:c466a3c0 r4:00000000 # [ 75.405847] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 75.413251] r10:00000004 r9:00000000 r8:00000000 r7:b6e2b000 r6:c6ac2000 r5:c466a3c0 # [ 75.421345] r4:c466a3c0 # [ 75.424150] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 75.431553] r9:c6ac2000 r8:c03002e4 r7:00000004 r6:b6f72e00 r5:0000000f r4:0000000f # [ 75.439570] [] (sys_write) from <6>[ 75.941266] lkdtm: Performing direct entry EXEC_NULL [] (ret_fast_syscall+0x<6>[ 75.949067] lkdtm: attempting ok execution at c0c57668 0/0x28) # [ 75.447404] Excepti<6>[ 75.957360] lkdtm: attempting bad execution at 00000000 on stack(0xc6ac3fa8 to 0xc6ac3ff0<1>[ 75.965664] 8<--- cut here --- ) # [ 75.452724] 3fa0: <1>[ 75.971805] Unable to handle kernel NULL pointer dereference at virtual address 00000000 0000000f 0000000f 0000<1>[ 75.983040] pgd = 4fd51c80 0001 b6e2b000 0000000f 00000000 <1>[ 75.988879] [00000000] *pgd=00000000 # [ 75.461170] 3fc0: 0000000f 0<0>[ 75.995598] Internal error: Oops: 80000005 [#9] SMP ARM 000000f b6f72e00 00000004 0000000<4>[ 76.003890] 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 imx_ldb can_dev etnaviv dw_hdmi_imx dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 1 00000000 00020000 bef[a c 76.035857] CPU: 2 PID: 2197 Comm: cat Tainted: G D W 5.10.199-cip39 #1 # [ 75.4<649>6[1 2 ] 736f.e046196] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) : 00000004 beb3f7f8 b<64e>d[c d 876.054898] PC is at 0x0 f b6e637e6 # [ 75.4<744>9[3 6 76.059948] LR is at execute_location+0xa4/0xb4 Code: bad Pv[a l u 7e6 . 0#7075] pc : [<00000000>] lr : [] psr: 600e0013 [ 75.4<748>2[6 0 ] 7-6-.-0[7 421] sp : c46bbe38 ip : c46bbd40 fp : c46bbe54 end trace 7<047>f[2 9 3 37463.80b2642] r10: 0000000a r9 : c1ad5360 r8 : c15ebbf4 d7e7 ]---< 4 >#[ E X E7C6._0U8S9948] r7 : c46bbf60 r6 : 00000000 r5 : 00000000 r4 : c0c57668 RSPACE: ms[i n g 7'6c.a0l9l468] r3 : ad8260e5 r2 : ad8260e5 r1 : ef7ab5e0 r0 : 0000002b trace:': [I[L ] 7n6o.t1 6993] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none ok 35 selftt[s : 7l6k.d1t16210] Control: 10c5387d Table: 16b7c04a DAC: 00000051 : EXEC_USERSPACE<.0s>h[ # e7x6.124041] Process cat (pid: 2197, stack limit = 0x1d923533) t=1 # selfs[t s : 7l6k.d1t2126] Stack: (0xc46bbe38 to 0xc46bc000) m: EXEC_NULL. [ 76.138567] be20: 00000025 c6836000 <0>[ 76.148479] be40: 0000000a c46bbf60 c46bbe64 c46bbe58 c13c6abc c13c6818 c46bbe74 c46bbe68 <0>[ 76.156926] be60: c0c568f8 c13c6aa8 c46bbe9c c46bbe78 c0c56df8 c0c568d8 c0c56cd8 c2fcf040 <0>[ 76.165371] be80: b6ddd000 0000000a c30bfd80 c46bbf60 c46bbec4 c46bbea0 c07e1338 c0c56ce4 <0>[ 76.173818] bea0: 00000000 c2fcf040 b6ddd000 c2815800 c46bbf60 c07e12d4 c46bbf5c c46bbec8 <0>[ 76.182264] bec0: c059b86c c07e12e0 00000001 00000000 c059be18 c13dbdd0 c059be18 c46ba000 <0>[ 76.190711] bee0: b6ddd000 00020000 00000004 0000000a 0001fff6 c46bbee0 00000001 b6ddc000 <0>[ 76.199156] bf00: c5bdb040 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 76.207602] bf20: 00000000 00000000 c13dbdd0 ad8260e5 c206c0e0 c2fcf040 c2fcf040 c46ba000 <0>[ 76.216048] bf40: b6ddd000 00000000 00000000 00000004 c46bbf94 c46bbf60 c059be18 c059b76c <0>[ 76.224495] bf60: 00000000 00000000 c46bbfac ad8260e5 0000000a 0000000a b6f24e00 00000004 <0>[ 76.232941] bf80: c03002e4 c46ba000 c46bbfa4 c46bbf98 c059bea8 c059bdb0 00000000 c46bbfa8 <0>[ 76.241386] bfa0: c03000c0 c059be9c 0000000a 0000000a 00000001 b6ddd000 0000000a 00000000 <0>[ 76.249832] bfc0: 0000000a 0000000a b6f24e00 00000004 00000001 00000000 00020000 bec8aac4 <0>[ 76.258276] bfe0: 00000004 bec8a7f8 b6e8ed8f b6e157e6 800e0030 00000001 00000000 00000000 <0>[ 76.266716] Backtrace: <0>[ 76.269445] [] (execute_location) from [] (lkdtm_EXEC_NULL+0x20/0x24) <0>[ 76.277893] r7:c46bbf60 r6:0000000a r5:c6836000 r4:00000025 <0>[ 76.283826] [] (lkdtm_EXEC_NULL) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 76.292189] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 76.300469] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 76.308654] r9:c46bbf60 r8:c30bfd80 r7:0000000a r6:b6ddd000 r5:c2fcf040 r4:c0c56cd8 <0>[ 76.316674] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 76.324772] r9:c07e12d4 r8:c46bbf60 r7:c2815800 r6:b6ddd000 r5:c2fcf040 r4:00000000 <0>[ 76.332785] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 76.340192] r10:00000004 r9:00000000 r8:00000000 r7:b6ddd000 r6:c46ba000 r5:c2fcf040 <0>[ 76.348287] r4:c2fcf040 <0>[ 76.351093] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 76.358498] r9:c46ba000 r8:c03002e4 r7:00000004 r6:b6f24e00 r5:0000000a r4:0000000a <0>[ 76.366512] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 76.374348] Exception stack(0xc46bbfa8 to 0xc46bbff0) <0>[ 76.379668] bfa0: 0000000a 0000000a 00000001 b6ddd000 0000000a 00000000 <0>[ 76.388113] bfc0: 0000000a 0000000a b6f24e00 00000004 00000001 00000000 00020000 bec8aac4 <0>[ 76.396555] bfe0: 00000004 bec8a7f8 b6e8ed8f b6e157e6 <0>[ 76.401879] Code: bad PC value <4>[ 76.405275] ---[ end trace 707f2933438bd7e8 ]--- # Segmentation fault # [ 75.941266] lkdtm: Performing direct entry EXEC_NULL # [ 75.949067] lkdtm: attempting ok execution at c0c57668 # [ 75.957360] lkdtm: attempting bad execution at 00000000 # [ 75.965664] 8<--- cut here --- # [ 75.971805] Unable to handle kernel NULL pointer dereference at virtual address 00000000 # [ 75.983040] pgd = 4fd51c80 # [ 75.988879] [00000000] *pgd=00000000 # [ 75.995598] Internal error: Oops: 80000005 [#9] SMP ARM # [ 76.003890] 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 imx_ldb can_dev etnaviv dw_hdmi_imx dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 # [ 76.035857] CPU: 2 PID: 2197 Comm: cat Tainted: G D W 5.10.199-cip39 #1 # [ 76.046196] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 76.054898] PC is at 0x0 # [ 76.059948] LR is at execute_location+0xa4/0xb4 # [ 76.067075] pc : [<00000000>] lr : [] psr: 600e0013 # [ 76.075421] sp : c46bbe38 ip : c46bbd40 fp : c46bbe54 # [ 76.082642] r10: 0000000a r9 : c1ad5360 r8 : c15ebbf4 # [ 76.089948] r7 : c46bbf60 r6 : 00000000 r5 : 00000000 r4 : c0c57668 # [ 76.098468] r3 : ad8260e5 r2 : ad8260e5 r1 : ef7ab5e0 r0 : 0000002b # [ 76.106993] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 76.116210] Control: 10c5387d Table: 16b7c04a DAC: 00000051 # [ 76.124041] Process cat (pid: 2197, stack limit = 0x1d923533) # [ 76.132126] Stack: (0xc46bbe38 to 0xc46bc000) # [ 76.138567] be20: 00000025 c6836000 # [ 76.148479] be40: 0000000a c46bbf60 c46bbe64 c46bbe58 c13c6abc c13c6818 c46bbe74 c46bbe68 # [ 76.156926] be60: c0c568f8 c13c6aa8 c46bbe9c c46bbe78 c0c56df8 c0c568d8 c0c56cd8 c2fcf040 # [ 76.165371] be80: b6ddd000 0000000a c30bfd80 c46bbf60 c46bbec4 c46bbea0 c07e1338 c0c56ce4 # [ 76.173818] bea0: 00000000 c2fcf040 b6ddd000 c2815800 c46bbf60 c07e12d4 c46bbf5c c46bbec8 # [ 76.182264] bec0: c059b86c c07e12e0 00000001 00000000 c059be18 c13dbdd0 c059be18 c46ba000 # [ 76.190711] bee0: b6ddd000 00020000 00000004 0000000a 0001fff6 c46bbee0 00000001 b6ddc000 # [ 76.199156] bf00: c5bdb040 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 76.207602] bf20: 00000000 00000000 c13dbdd0 ad8260e5 c206c0e0 c2fcf040 c2fcf040 c46ba000 # [ 76.216048] bf40: b6ddd000 00000000 00000000 00000004 c46bbf94 c46bbf60 c059be18 c059b76c # [ 76.224495] bf60: 00000000 00000000 c46bbfac ad8260e5 0000000a 0000000a b6f24e00 00000004 # [ 76.232941] bf80: c03002e4 c46ba000 c46bbfa4 c46bbf98 c059bea8 c059bdb0 00000000 c46bbfa8 # [ 76.241386] bfa0: c03000c0 c059be9c 0000000a 0000000a 00000001 b6ddd000 0000000a 00000000 # [ 76.249832] bfc0: 0000000a 0000000a b6f24e00 00000004 00000001 00000000 00020000 bec8aac4 # [ 76.258276] bfe0: 00000004 bec8a7f8 b6e8ed8f b6e157e6 800e0030 00000001 00000000 00000000 # [ 76.266716] Backtrace: # [ 76.269445] [] (execute_location) from [] (lkdtm_EXEC_NULL+0x20/0x24) # [ 76.277893] r7:c46bbf60 r6:0000000a r5:c6836000 r4:00000025 # [ 76.283826] [] (lkdtm_EXEC_NULL) from [] (lkdtm_do_action+0x2c/0x4c) # [ 76.292189] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 76.300469] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 76.308654] r9:c46bbf60 r8:c30bfd80 r7:0000000a r6:b6ddd000 r5:c2fcf040 r4:c0c56cd8 # [ 76.316674] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 76.324772] r9:c07e12d4 r8:c46bbf60 r7:c2815<6>[ 76.850064] lkdtm: Performing direct entry ACCESS_USERSPACE 00 r6:b6ddd000 r5:c2fcf040 r4:000<6>[ 76.858821] lkdtm: attempting bad read at b6f5e000 00000 # [ 76.332785] [[ 76.866638] 8<--- cut here --- 0>] (vfs_write) fr [[ < c 076.872750] Unhandled fault: page domain fault (0x01b) at 0xb6f5e000 9be18>] (ks[_ w r i7t6e.+8081534] pgd = ab3cc4f8 74/0xec) # [ 76<.13>4[0 1 9 276.886326] [b6f5e000] *pgd=492fa831 r10:00000004 r9:0000<000>0[0 76.892341] Internal error: : 1b [#10] SMP ARM 8:00000000 r7:b6ddd000 r6:c46ba00<4>[ 76.899383] 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 imx_ldb can_dev etnaviv dw_hdmi_imx dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 0 r5:c2fcf040 # [ < 47>6[. 3 46.931351] CPU: 1 PID: 2274 Comm: cat Tainted: G D W 5.10.199-cip39 #1 8287] r4:c2f[0 4 0 7 6#. 941518] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 76.351093] [] (k] (sy[ 76.958317] LR is at __irq_work_queue_local+0x40/0x74 write+0x18/<04x>1[c ) 7#6 .[9 6306] pc : [] lr : [] psr: 600e0013 76.358498] :[c 4 67b6a.074657] sp : c69ade38 ip : c69add40 fp : c69ade64 00 r8:c03<040>2[e 4 r776:.09080050] r10: 00000011 r9 : c1ad536c r8 : c15ebbf4 00004 r6:b6f240[ r 5 :7060.989274] r7 : c69adf60 r6 : 00000051 r5 : c69ac000 r4 : b6f5e000 0000a r4:0000<04>0[0 a 7#6 .[998055] r3 : a691639d r2 : a691639d r1 : ef7965e0 r0 : 00000026 76.366512] [b[e 9 0 7>7.006754] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none (sys_write)< 4f>r[o m [7<7c.0016231] Control: 10c5387d Table: 1696c04a DAC: 00000051 000c0>] (ret_fa_[s y s c7a7l024145] Process cat (pid: 2274, stack limit = 0xba1e97ea) l+0x0/0x28) < 0#> [ [ 7 77.60.2147] Stack: (0xc69ade38 to 0xc69ae000) 374348] Exception< 0s>t[a c k (70.038589] de20: 00000022 00000000 xc46bbfa8 to 0xc46bf[0 ) 7.049111] de40: 00000000 a691639d c69ade6c 00000026 c5a02000 00000011 c69ade74 c69ade68 # [ 76.379668] b0[: 77.059717] de60: c0c568f8 c0c577d8 c69ade9c c69ade78 c0c56df8 c0c568d8 c0c56cd8 c5ffe640 00000<000>a[ 0 0 77.070324] de80: b6e18000 00000011 c30bfd80 c69adf60 c69adec4 c69adea0 c07e1338 c0c56ce4 0000a 00000001 b<60d>d[d 0 0 07 7.081015] dea0: 00000000 c5ffe640 b6e18000 c2815800 c69adf60 c07e12d4 c69adf5c c69adec8 000000a 00000000 # [< 0 > [7 6 .77.091538] dec0: c059b86c c07e12e0 00000001 00000000 c059be18 c13dbdd0 c059be18 c69ac000 388113] bfc0: 00000<000>a[ 0 0 07.102229] dee0: b6e18000 00020000 00000004 00000011 0001ffef c69adee0 00000001 b6e17000 0000a b6f24e00 00<000>0[0 0 4 70.112834] df00: c5de0500 00000000 00000000 00000000 00000000 00000000 00000000 00000000 0000001 00000000 000<200>0[0 0 77.123354] df20: 00000000 00000000 c13dbdd0 a691639d c206c0e0 c5ffe640 c5ffe640 c69ac000 ec8aac4 # [ 76.<309>6[5 5 5 ]77.134049] df40: b6e18000 00000000 00000000 00000004 c69adf94 c69adf60 c059be18 c059b76c bfe0: 00000004 bea[7 f 8 7b.144653] df60: 00000000 00000000 c69adfac a691639d 00000011 00000011 b6f5fe00 00000004 6e8ed8f b6e157e6 <#0 >[[ 777.155174] df80: c03002e4 c69ac000 c69adfa4 c69adf98 c059bea8 c059bdb0 00000000 c69adfa8 .401879] Code: b [P C v7a7.165780] dfa0: c03000c0 c059be9c 00000011 00000011 00000001 b6e18000 00000011 00000000 ue # [ 76.4<005>2[7 5 ] 7-7-.176301] dfc0: 00000011 00000011 b6f5fe00 00000004 00000001 00000000 00020000 bee04ac4 [ end trace 707f293<304>3[8 b d 77.186736] dfe0: 00000004 bee047f8 b6ec9d8f b6e507e6 800e0030 00000001 00000000 00000000 e8 ]--- # EXEC_NU:[ m i s77.197334] Backtrace: ing 'call trace:': [FAIL] t 77.202223] [] (lkdtm_ACCESS_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) ok 36 selftests: lt[m : E7.213693] r6:00000011 r5:c5a02000 r4:00000026 XEC_NULL.sh # exit=1 #< 0s>e[l f 77.220742] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) tests: lkdtm: ACCESS_USERA[C 77.231352] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) E.sh <0>[ 77.241954] r9:c69adf60 r8:c30bfd80 r7:00000011 r6:b6e18000 r5:c5ffe640 r4:c0c56cd8 <0>[ 77.250485] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 77.258589] r9:c07e12d4 r8:c69adf60 r7:c2815800 r6:b6e18000 r5:c5ffe640 r4:00000000 <0>[ 77.266605] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 77.274014] r10:00000004 r9:00000000 r8:00000000 r7:b6e18000 r6:c69ac000 r5:c5ffe640 <0>[ 77.282111] r4:c5ffe640 <0>[ 77.284918] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 77.292326] r9:c69ac000 r8:c03002e4 r7:00000004 r6:b6f5fe00 r5:00000011 r4:00000011 <0>[ 77.300347] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 77.308184] Exception stack(0xc69adfa8 to 0xc69adff0) <0>[ 77.313507] dfa0: 00000011 00000011 00000001 b6e18000 00000011 00000000 <0>[ 77.321956] dfc0: 00000011 00000011 b6f5fe00 00000004 00000001 00000000 00020000 bee04ac4 <0>[ 77.330402] dfe0: 00000004 bee047f8 b6ec9d8f b6e507e6 <0>[ 77.335727] Code: e1a01004 e3060290 e34c01ad eb1d904b (e5943000) <4>[ 77.342097] ---[ end trace 707f2933438bd7e9 ]--- # Segmentation fault # [ 76.850064] lkdtm: Performing direct entry ACCESS_USERSPACE # [ 76.858821] lkdtm: attempting bad read at b6f5e000 # [ 76.866638] 8<--- cut here --- # [ 76.872750] Unhandled fault: page domain fault (0x01b) at 0xb6f5e000 # [ 76.881534] pgd = ab3cc4f8 # [ 76.886326] [b6f5e000] *pgd=492fa831 # [ 76.892341] Internal error: : 1b [#10] SMP ARM # [ 76.899383] 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 imx_ldb can_dev etnaviv dw_hdmi_imx dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 # [ 76.931351] CPU: 1 PID: 2274 Comm: cat Tainted: G D W 5.10.199-cip39 #1 # [ 76.941518] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 76.950227] PC is at lkdtm_ACCESS_USERSPACE+0x114/0x16c # [ 76.958317] LR is at __irq_work_queue_local+0x40/0x74 # [ 76.966306] pc : [] lr : [] psr: 600e0013 # [ 76.974657] sp : c69ade38 ip : c69add40 fp : c69ade64 # [ 76.982050] r10: 00000011 r9 : c1ad536c r8 : c15ebbf4 # [ 76.989274] r7 : c69adf60 r6 : 00000051 r5 : c69ac000 r4 : b6f5e000 # [ 76.998055] r3 : a691639d r2 : a691639d r1 : ef7965e0 r0 : 00000026 # [ 77.006754] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 77.016231] Control: 10c5387d Table: 1696c04a DAC: 00000051 # [ 77.024145] Process cat (pid: 2274, stack limit = 0xba1e97ea) # [ 77.032147] Stack: (0xc69ade38 to 0xc69ae000) # [ 77.038589] de20: 00000022 00000000 # [ 77.049111] de40: 00000000 a691639d c69ade6c 00000026 c5a02000 00000011 c69ade74 c69ade68 # [ 77.059717] de60: c0c568f8 c0c577d8 c69ade9c c69ade78 c0c56df8 c0c568d8 c0c56cd8 c5ffe640 # [ 77.070324] de80: b6e18000 00000011 c30bfd80 c69adf60 c69adec4 c69adea0 c07e1338 c0c56ce4 # [ 77.081015] dea0: 00000000 c5ffe640 b6e18000 c2815800 c69adf60 c07e12d4 c69adf5c c69adec8 # [ 77.091538] dec0: c059b86c c07e12e0 00000001 00000000 c059be18 c13dbdd0 c059be18 c69ac000 # [ 77.102229] dee0: b6e18000 00020000 00000004 00000011 0001ffef c69adee0 00000001 b6e17000 # [ 77.112834] df00: c5de0500 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 77.123354] df20: 00000000 00000000 c13dbdd0 a691639d c206c0e0 c5ffe640 c5ffe640 c69ac000 # [ 77.134049] df40: b6e18000 00000000 00000000 00000004 c69adf94 c69adf60 c059be18 c059b76c # [ 77.144653] df60: 00000000 00000000 c69adfac a691639d 00000011 00000011 b6f5fe00 00000004 # [ 77.155174] df80: c03002e4 c69ac000 c69adfa4 c69adf98 c059bea8 c059bdb0 00000000 c69adfa8 # [ 77.165780] dfa0: c03000c0 c059be9c 00000011 00000011 00000001 b6e18000 00000011 00000000 # [ 77.176301] dfc0: 00000011 00000011 b6f5fe00 00000004 00000001 00000000 00020000 bee04ac4 # [ 77.186736] dfe0: 00000004 bee047f8 b6ec9d8f b6e507e6 800e0030 00000001 00000000 00000000 # [ 77.197334] Backtrace: # [ 77.202223] [] (lkdtm_ACCESS_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 77.213693] r6:00000011 r5:c5a02000 r4:00000026 # [ 77.220742] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 77.231352] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 77.241954] r9:c69adf60 r8:c30bfd80 r7:00000011 r6:b6e18000 r5:c5ffe640 r4:c0c56cd8 # [ 77.250485] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 77.258589] r9:c07e12d4 r8:c69adf60 r7:c2815800 r6:b6e18000 r5:c5ffe640 r4:00000000 # [ 77.266605] [] (vfs_write) from [] (ksys_write+0x74/0xec) <6>[ 77.757003] lkdtm: Performing direct entry ACCESS_NULL # [ 77.274014] r10:<060>0[0 0 77.764117] lkdtm: attempting bad read at 00000000 04 r9:00000000 r8:00000000 r7:b6e<1>[ 77.771587] 8<--- cut here --- 18000 r6:c69ac000 r5:c5ffe640 # <1>[ 77.777825] Unable to handle kernel NULL pointer dereference at virtual address 00000000 [ 77.282111] r4:c5ffe640 # [ <1>[ 77.788986] pgd = df7b9d86 77.284918] [] (ks] (sys_wr<0>[ 77.801230] Internal error: Oops: 5 [#11] SMP ARM ite+0x18/0x1c) # [ 77.292326] <4>[ 77.809020] 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 imx_ldb can_dev etnaviv dw_hdmi_imx dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 r9:c69ac000 r8:c0<340>0[2 e 4 77.840984] CPU: 2 PID: 2350 Comm: cat Tainted: G D W 5.10.199-cip39 #1 7:00000004 r<64:>[b 6 f 57f7e.0801152] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) r5:00000011 r4:00000011 #< 4[> 77.859772] PC is at lkdtm_ACCESS_NULL+0x28/0x68 77.300347] [] (s[ 77.867166] LR is at __irq_work_queue_local+0x40/0x74 write) from< 4[><[c 0 3 07070.c805070] pc : [] lr : [] psr: 600e0013 >] (ret<_4f>a[s t _ s7y7s.c8a8l3l17] sp : c5bede50 ip : c5bedd58 fp : c5bede64 +0x0/0x28<)4 > [# [ 7 7. 87970552] r10: 0000000c r9 : c1ad5380 r8 : c15ebbf4 308184] c[e p t i7o7n. 8s9t7771] r7 : c5bedf60 r6 : 0000000c r5 : c6836000 r4 : 00000000 ck(0xc69aa[8 t o7 70.x9c06294] r3 : ff69309b r2 : ff69309b r1 : ef7ab5e0 r0 : 00000026 9adff0) # [ 77.<341>3[5 0 7 ]77.914819] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none dfa0: < 4 > [ 7 7 . 9 4379] Control: 10c5387d Table: 169c404a DAC: 00000051 00000011 0<000>0[0 0 1 17 70.0932207] Process cat (pid: 2350, stack limit = 0x47e8b3bc) 00001 b6e1800<00 >0[0 0 0 07071.140121] Stack: (0xc5bede50 to 0xc5bee000) 00000000 # [ <707>.[ 3 2 1797.946649] de40: 00000027 c6836000 c5bede74 c5bede68 6] dfc0: 00000011 <000>0[0 0 0 177.957168] de60: c0c568f8 c13c6acc c5bede9c c5bede78 c0c56df8 c0c568d8 c0c56cd8 c5bd8b40 b6f5fe00 0000<000>0[4 0 07070.967771] de80: b6e64000 0000000c c30bfd80 c5bedf60 c5bedec4 c5bedea0 c07e1338 c0c56ce4 001 00000000 <000>0[2 0 0 0707 .b78203] dea0: 00000000 c5bd8b40 b6e64000 c2815800 c5bedf60 c07e12d4 c5bedf5c c5bedec8 ee04ac4 # [ < 07>7[. 3 37074.088547] dec0: c059b86c c07e12e0 00000001 00000000 c059be18 c13dbdd0 c059be18 c5bec000 2] dfe0: 00000<000>4[ b e e7074.998892] dee0: b6e64000 00020000 00000004 0000000c 0001fff4 c5bedee0 00000001 b6e63000 f8 b6ec9d8f b<60e>5[0 7 e 67 8 .#09323] df00: c5c29b80 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 77.335727<]0 >C[o d e :7 8e.019668] df20: 00000000 00000000 c13dbdd0 ff69309b c206c0e0 c5bd8b40 c5bd8b40 c5bec000 a01004 e3060290< 0e>3[4 c 0 17a8d030100] df40: b6e64000 00000000 00000000 00000004 c5bedf94 c5bedf60 c059be18 c059b76c eb1d904b (e59430<000>)[ #7 .040532] df60: 00000000 00000000 c5bedfac ff69309b 0000000c 0000000c b6fabe00 00000004 [ 77.342097]< 0->-[- [ e7n8d.051049] df80: c03002e4 c5bec000 c5bedfa4 c5bedf98 c059bea8 c059bdb0 00000000 c5bedfa8 trace 707f2933<403>8[b d 7 e798 .061481] dfa0: c03000c0 c059be9c 0000000c 0000000c 00000001 b6e64000 0000000c 00000000 --- # ACCESS_UR[S P A C7E8:071913] dfc0: 0000000c 0000000c b6fabe00 00000004 00000001 00000000 00020000 befc8ac4 missing <'0c>a[l l t7r8a.c0e8:342] dfe0: 00000004 befc87f8 b6f15d8f b6e9c7e6 800e0030 00000001 00000000 00000000 ': [FAIL] not o3[7 s e7l8.092513] Backtrace: tests: lkdtm: ACCESS_USERSPACE<.0>[ 78.097316] [] (lkdtm_ACCESS_NULL) from [] (lkdtm_do_action+0x2c/0x4c) h # exit=1 <#0 >s[e l f t7e8s.t108518] r5:c6836000 r4:00000027 : lkdtm: ACCESS_NULs[h 78.114267] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 78.124703] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 78.132891] r9:c5bedf60 r8:c30bfd80 r7:0000000c r6:b6e64000 r5:c5bd8b40 r4:c0c56cd8 <0>[ 78.140911] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 78.149011] r9:c07e12d4 r8:c5bedf60 r7:c2815800 r6:b6e64000 r5:c5bd8b40 r4:00000000 <0>[ 78.157025] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 78.164431] r10:00000004 r9:00000000 r8:00000000 r7:b6e64000 r6:c5bec000 r5:c5bd8b40 <0>[ 78.172526] r4:c5bd8b40 <0>[ 78.175332] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 78.182738] r9:c5bec000 r8:c03002e4 r7:00000004 r6:b6fabe00 r5:0000000c r4:0000000c <0>[ 78.190752] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 78.198587] Exception stack(0xc5bedfa8 to 0xc5bedff0) <0>[ 78.203909] dfa0: 0000000c 0000000c 00000001 b6e64000 0000000c 00000000 <0>[ 78.212354] dfc0: 0000000c 0000000c b6fabe00 00000004 00000001 00000000 00020000 befc8ac4 <0>[ 78.220798] dfe0: 00000004 befc87f8 b6f15d8f b6e9c7e6 <0>[ 78.226118] Code: e3060290 e34c01ad e1a01004 ebffd3c9 (e5945000) <4>[ 78.232558] ---[ end trace 707f2933438bd7ea ]--- # Segmentation fault # [ 77.757003] lkdtm: Performing direct entry ACCESS_NULL # [ 77.764117] lkdtm: attempting bad read at 00000000 # [ 77.771587] 8<--- cut here --- # [ 77.777825] Unable to handle kernel NULL pointer dereference at virtual address 00000000 # [ 77.788986] pgd = df7b9d86 # [ 77.794744] [00000000] *pgd=00000000 # [ 77.801230] Internal error: Oops: 5 [#11] SMP ARM # [ 77.809020] 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 imx_ldb can_dev etnaviv dw_hdmi_imx dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 # [ 77.840984] CPU: 2 PID: 2350 Comm: cat Tainted: G D W 5.10.199-cip39 #1 # [ 77.851152] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 77.859772] PC is at lkdtm_ACCESS_NULL+0x28/0x68 # [ 77.867166] LR is at __irq_work_queue_local+0x40/0x74 # [ 77.875070] pc : [] lr : [] psr: 600e0013 # [ 77.883417] sp : c5bede50 ip : c5bedd58 fp : c5bede64 # [ 77.890552] r10: 0000000c r9 : c1ad5380 r8 : c15ebbf4 # [ 77.897771] r7 : c5bedf60 r6 : 0000000c r5 : c6836000 r4 : 00000000 # [ 77.906294] r3 : ff69309b r2 : ff69309b r1 : ef7ab5e0 r0 : 00000026 # [ 77.914819] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 77.924379] Control: 10c5387d Table: 169c404a DAC: 00000051 # [ 77.932207] Process cat (pid: 2350, stack limit = 0x47e8b3bc) # [ 77.940121] Stack: (0xc5bede50 to 0xc5bee000) # [ 77.946649] de40: 00000027 c6836000 c5bede74 c5bede68 # [ 77.957168] de60: c0c568f8 c13c6acc c5bede9c c5bede78 c0c56df8 c0c568d8 c0c56cd8 c5bd8b40 # [ 77.967771] de80: b6e64000 0000000c c30bfd80 c5bedf60 c5bedec4 c5bedea0 c07e1338 c0c56ce4 # [ 77.978203] dea0: 00000000 c5bd8b40 b6e64000 c2815800 c5bedf60 c07e12d4 c5bedf5c c5bedec8 # [ 77.988547] dec0: c059b86c c07e12e0 00000001 00000000 c059be18 c13dbdd0 c059be18 c5bec000 # [ 77.998892] dee0: b6e64000 00020000 00000004 0000000c 0001fff4 c5bedee0 00000001 b6e63000 # [ 78.009323] df00: c5c29b80 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 78.019668] df20: 00000000 00000000 c13dbdd0 ff69309b c206c0e0 c5bd8b40 c5bd8b40 c5bec000 # [ 78.030100] df40: b6e64000 00000000 00000000 00000004 c5bedf94 c5bedf60 c059be18 c059b76c # [ 78.040532] df60: 00000000 00000000 c5bedfac ff69309b 0000000c 0000000c b6fabe00 00000004 # [ 78.051049] df80: c03002e4 c5bec000 c5bedfa4 c5bedf98 c059bea8 c059bdb0 00000000 c5bedfa8 # [ 78.061481] dfa0: c03000c0 c059be9c 0000000c 0000000c 00000001 b6e64000 0000000c 00000000 # [ 78.071913] dfc0: 0000000c 0000000c b6fabe00 00000004 00000001 00000000 00020000 befc8ac4 # [ 78.082342] dfe0: 00000004 befc87f8 b6f15d8f b6e9c7e6 800e0030 00000001 00000000 00000000 # [ 78.092513] Backtrace: # [ 78.097316] [] (lkdtm_ACCESS_NULL) from [] (lkdtm_do_action+0x2c/0x4c) # [ 78.108518] r5:c6836000 r4:00000027 # [ 78.114267] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 78.124703] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 78.132891] r9:c5bedf60 r8:c30bfd80 r7:0000000c r6:b6e64000 r5:c5bd8b40 r4:c0c56cd8 # [ 78.140911] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 78.149011] r9:c07e12d4 r8:c5bedf60 r7:c2815800 r6:b6e64000 r5:c5bd8b40 r4:00000000 # [ 78.157025] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 78.164431] r10:00000004 r9:00000000 r8:00000000 r7:b6e64000 r6:c5bec000 r5:c5bd8b40 # [ 78.172526] r4:c5bd8b40 # [ 78.175332] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 78.182738] r9:c5bec000 r8:c03002e4 r7:00000004 r6:b6fabe00 r5:000<6>[ 78.664030] lkdtm: Performing direct entry WRITE_RO 0000c r4:0000000c # [ 78.19075<6>[ 78.671881] lkdtm: attempting bad rodata write at c15ebe8c 2] [] (sys_write) from <1>[ 78.680554] 8<--- cut here --- [] (ret_fa_[s y s 78.686630] Unable to handle kernel paging request at virtual address c15ebe8c all+0x0/0x28) # <[1 > [ 7 8 .71.696368] pgd = df7b9d86 98587] Exception stack(0xc5be [ 7 878.708297] Internal error: Oops: 80d [#12] SMP ARM .203909] dfa0: <4>[ 78.715686] 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 imx_ldb can_dev etnaviv dw_hdmi_imx dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 0000000c 0000000c 000<040>0[0 1 78.747653] CPU: 3 PID: 2425 Comm: cat Tainted: G D W 5.10.199-cip39 #1 b6e64000 0<040>0[0 0 0 c7 80.07057906] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 0000 # [ 78.212354] dfc0: 0<04>[ 78.766530] PC is at lkdtm_WRITE_RO+0x44/0x50 0000c 0000000c b6fabe00 00000<040[ 78.773838] LR is at __irq_work_queue_local+0x40/0x74 4 00000001 <040>[0 0 0 07080. 7081741] pc : [] lr : [] psr: 600e0013 020000 befc84[ # 7[8 . 790090] sp : c4765e50 ip : c4765d58 fp : c4765e64 78.220798<]4 >d[f e 0 :7 80.07090484] r10: 00000009 r9 : c1ad538c r8 : c15ebbf4 0004 befc87f8< 4b>6[f 1 5 d788f. 04709] r7 : c4765f60 r6 : 00000009 r5 : c6b11000 r4 : c15ebe8c b6e9c7e6 # [< 4 > [7 8 . 2782.6813405] r3 : 0198b861 r2 : aa55aa55 r1 : ef7c05e0 r0 : c1ad6190 18] Code: e306<042>9[0 e 3748c.822102] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none 1ad e1a010<044> [e b f f7d83.c8931492] Control: 10c5387d Table: 169c404a DAC: 00000051 (e5945000) < 0#> [ [ 7 87.88.9322] Process cat (pid: 2425, stack limit = 0x36b2087f) 232558] ---[ d[ t r a7c8e. 47151] Stack: (0xc4765e50 to 0xc4766000) 707f2933438bd7ea ]<-0->-[ # 78.853681] 5e40: 00000028 c6b11000 c4765e74 c4765e68 CCESS_NULL: missing <'0c>a[l l 78.864292] 5e60: c0c568f8 c13c68cc c4765e9c c4765e78 c0c56df8 c0c568d8 c0c56cd8 c6a15b80 race:': [FAIL] not< 0o>k[ 3 8 8.874984] 5e80: b6e13000 00000009 c30bfd80 c4765f60 c4765ec4 c4765ea0 c07e1338 c0c56ce4 selftests: lkdtm:< 0A>[C C E S7S8.885589] 5ea0: 00000000 c6a15b80 b6e13000 c2815800 c4765f60 c07e12d4 c4765f5c c4765ec8 NULL.sh # exit=1 <#0 >s[e l f t78.896109] 5ec0: c059b86c c07e12e0 00000001 00000000 c059be18 c13dbdd0 c059be18 c4764000 sts: lkdtm: WRI_[R O . s7h8 906715] 5ee0: b6e13000 00020000 00000004 00000009 0001fff7 c4765ee0 00000001 b6e12000 <0>[ 78.917149] 5f00: c694eb40 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 78.925674] 5f20: 00000000 00000000 c13dbdd0 a842756f c206c0e0 c6a15b80 c6a15b80 c4764000 <0>[ 78.934122] 5f40: b6e13000 00000000 00000000 00000004 c4765f94 c4765f60 c059be18 c059b76c <0>[ 78.942572] 5f60: 00000000 00000000 c4765fac a842756f 00000009 00000009 b6f5ae00 00000004 <0>[ 78.951022] 5f80: c03002e4 c4764000 c4765fa4 c4765f98 c059bea8 c059bdb0 00000000 c4765fa8 <0>[ 78.959470] 5fa0: c03000c0 c059be9c 00000009 00000009 00000001 b6e13000 00000009 00000000 <0>[ 78.967919] 5fc0: 00000009 00000009 b6f5ae00 00000004 00000001 00000000 00020000 be872ac4 <0>[ 78.976368] 5fe0: 00000004 be8727f8 b6ec4d8f b6e4b7e6 800e0030 00000001 00000000 00000000 <0>[ 78.984810] Backtrace: <0>[ 78.987546] [] (lkdtm_WRITE_RO) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 78.995822] r5:c6b11000 r4:00000028 <0>[ 78.999675] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 79.007962] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 79.016153] r9:c4765f60 r8:c30bfd80 r7:00000009 r6:b6e13000 r5:c6a15b80 r4:c0c56cd8 <0>[ 79.024179] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 79.032281] r9:c07e12d4 r8:c4765f60 r7:c2815800 r6:b6e13000 r5:c6a15b80 r4:00000000 <0>[ 79.040297] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 79.047704] r10:00000004 r9:00000000 r8:00000000 r7:b6e13000 r6:c4764000 r5:c6a15b80 <0>[ 79.055800] r4:c6a15b80 <0>[ 79.058608] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 79.066015] r9:c4764000 r8:c03002e4 r7:00000004 r6:b6f5ae00 r5:00000009 r4:00000009 <0>[ 79.074035] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 79.081872] Exception stack(0xc4765fa8 to 0xc4765ff0) <0>[ 79.087197] 5fa0: 00000009 00000009 00000001 b6e13000 00000009 00000000 <0>[ 79.095647] 5fc0: 00000009 00000009 b6f5ae00 00000004 00000001 00000000 00020000 be872ac4 <0>[ 79.104094] 5fe0: 00000004 be8727f8 b6ec4d8f b6e4b7e6 <0>[ 79.109419] Code: e34a3bcd e3060190 e34c01ad e0233002 (e5843000) <4>[ 79.115788] ---[ end trace 707f2933438bd7eb ]--- # Segmentation fault # [ 78.664030] lkdtm: Performing direct entry WRITE_RO # [ 78.671881] lkdtm: attempting bad rodata write at c15ebe8c # [ 78.680554] 8<--- cut here --- # [ 78.686630] Unable to handle kernel paging request at virtual address c15ebe8c # [ 78.696368] pgd = df7b9d86 # [ 78.701416] [c15ebe8c] *pgd=1141941e(bad) # [ 78.708297] Internal error: Oops: 80d [#12] SMP ARM # [ 78.715686] 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 imx_ldb can_dev etnaviv dw_hdmi_imx dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 # [ 78.747653] CPU: 3 PID: 2425 Comm: cat Tainted: G D W 5.10.199-cip39 #1 # [ 78.757906] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 78.766530] PC is at lkdtm_WRITE_RO+0x44/0x50 # [ 78.773838] LR is at __irq_work_queue_local+0x40/0x74 # [ 78.781741] pc : [] lr : [] psr: 600e0013 # [ 78.790090] sp : c4765e50 ip : c4765d58 fp : c4765e64 # [ 78.797484] r10: 00000009 r9 : c1ad538c r8 : c15ebbf4 # [ 78.804709] r7 : c4765f60 r6 : 00000009 r5 : c6b11000 r4 : c15ebe8c # [ 78.813405] r3 : 0198b861 r2 : aa55aa55 r1 : ef7c05e0 r0 : c1ad6190 # [ 78.822102] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 78.831492] Control: 10c5387d Table: 169c404a DAC: 00000051 # [ 78.839322] Process cat (pid: 2425, stack limit = 0x36b2087f) # [ 78.847151] Stack: (0xc4765e50 to 0xc4766000) # [ 78.853681] 5e40: 00000028 c6b11000 c4765e74 c4765e68 # [ 78.864292] 5e60: c0c568f8 c13c68cc c4765e9c c4765e78 c0c56df8 c0c568d8 c0c56cd8 c6a15b80 # [ 78.874984] 5e80: b6e13000 00000009 c30bfd80 c4765f60 c4765ec4 c4765ea0 c07e1338 c0c56ce4 # [ 78.885589] 5ea0: 00000000 c6a15b80 b6e13000 c2815800 c4765f60 c07e12d4 c4765f5c c4765ec8 # [ 78.896109] 5ec0: c059b86c c07e12e0 00000001 00000000 c059be18 c13dbdd0 c059be18 c4764000 # [ 78.906715] 5ee0: b6e13000 00020000 00000004 00000009 0001fff7 c4765ee0 00000001 b6e12000 # [ 78.917149] 5f00: c694eb40 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 78.925674] 5f20: 00000000 00000000 c13dbdd0 a842756f c206c0e0 c6a15b80 c6a15b80 c4764000 # [ 78.934122] 5f40: b6e13000 00000000 00000000 00000004 c4765f94 c4765f60 c059be18 c059b76c # [ 78.942572] 5f60: 00000000 00000000 c4765fac a842756f 00000009 00000009 b6f5ae00 00000004 # [ 78.951022] 5f80: c03002e4 c4764000 c4765fa4 c4765f98 c059bea8 c059bdb0 00000000 c4765fa8 # [ 78.959470] 5fa0: c03000c0 c059be9c 00000009 00000009 00000001 b6e13000 00000009 00000000 # [ 78.967919] 5fc0: 00000009 00000009 b6f5ae00 00000004 00000001 00000000 00020000 be872ac4 # [ 78.976368] 5fe0: 00000004 be8727f8 b6ec4d8f b6e4b7e6 800e0030 00000001 00000000 00000000 # [ 78.984810] Backtrace: # [ 78.987546] [] (lkdtm_WRITE_RO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 78.995822] r5:c6b11000 r4:00000028 # [ 78.999675] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 79.007962] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 79.016153] r9:c4765f60 r8:c30bfd80 r7:00000009 r6:b6e13000 r5:c6a15b80 r4:c0c56cd8 # [ 79.024179] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 79.032281] r9:c07e12d4 r8:c4765f60 r7:c2815800 r6:b6e13000 r5:c6a15b80 r4:00000000 # [ 79.040297] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 79.047704] r10:00000004 r9:00000000 r8:00000000 r7:b6e13000 r6:c4764000 r5:c6a15b80 # [ 79.055800] r4:c6a15b80 # [ 79.058608] [] (ksys_writ<6>[ 79.598100] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT e) from [] (sys_write+0<6>[ 79.606281] lkdtm: attempting bad ro_after_init write at c1b88c60 x18/0x1c) # [ 79.066015] r9:c<1>[ 79.615551] 8<--- cut here --- 4764000 r8:c03002 [r 7 : 070.621617] Unable to handle kernel paging request at virtual address c1b88c60 000004 r6:b6f5ae00 r5<1:>0[0 0 0 79.631186] pgd = df7b9d86 009 r4:00000009 # [ 79.0740<31>[ 79.636409] [c1b88c60] *pgd=11a1941e(bad) ] [<]0 >([s y s _7w9r.i43377] Internal error: Oops: 80d [#13] SMP ARM te) from [] (ret_fast_s<4>[ 79.650431] 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 imx_ldb can_dev etnaviv dw_hdmi_imx dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 yscall+0x0/0x28) #< 4[> [ 7 99.682398] CPU: 3 PID: 2500 Comm: cat Tainted: G D W 5.10.199-cip39 #1 .081872] Excei[o n s7t9a.c92567] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) k(0xc4765fa8 to 0xc4765ff0) # [<4>[ 79.701277] PC is at lkdtm_WRITE_RO_AFTER_INIT+0x64/0x70 79.087197] 5fa0: < 4 [ 79.709629] LR is at __irq_work_queue_local+0x40/0x74 00000<040>9[ 0 0 7090.07017532] pc : [] lr : [] psr: 600e0013 9 0000000<14 >b[6 e 1 37090.07 20880] sp : c681de50 ip : c681dd58 fp : c681de64 0000009 00<040>0[0 0 0 7 9#. 7[33101] r10: 00000014 r9 : c1ad5398 r8 : c15ebbf4 79.095647]< 45>f[c 0 :7 90.0700409] r7 : c681df60 r6 : 00000014 r5 : c6b11000 r4 : c1b88c60 00009 000000<049> [b 6 f 57a9e.0749019] r3 : fe67479e r2 : 55aa55aa r1 : ef7c05e0 r0 : c1ad6190 00000004 000<040>0[0 1 07090.057717] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none 0000 00020000 8[7 2 a c749 .767021] Control: 10c5387d Table: 169c404a DAC: 00000051 # [ 79.104094] 5[0 : 070.775025] Process cat (pid: 2500, stack limit = 0x982480b7) 000004 be8727 [b 6 e c749d.883111] Stack: (0xc681de50 to 0xc681e000) f b6e4b7e6 # [ < 07>9[. 1 0 974.789641] de40: 00000029 c6b11000 c681de74 c681de68 19] Code: e34a3bce[3 0 6 071.800163] de60: c0c568f8 c13c691c c681de9c c681de78 c0c56df8 c0c568d8 c0c56cd8 c5de0780 90 e34c01ad e0233002< 0(>e[5 8 4 79.810683] de80: b6e4d000 00000014 c30bfd80 c681df60 c681dec4 c681dea0 c07e1338 c0c56ce4 000) # [ 79.11578<80]>[ - - 79.821377] dea0: 00000000 c5de0780 b6e4d000 c2815800 c681df60 c07e12d4 c681df5c c681dec8 [ end trace 707f2933<403>8[b d 7 79.832070] dec0: c059b86c c07e12e0 00000001 00000000 c059be18 c13dbdd0 c059be18 c681c000 b ]--- # WRITE_RO:< 0m>i[s s i n9.842763] dee0: b6e4d000 00020000 00000004 00000014 0001ffec c681dee0 00000001 b6e4c000 g 'call trace:': [FL[] n9.853369] df00: c6a14b40 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ot ok 39 selftests: d[t m : 79.863976] df20: 00000000 00000000 c13dbdd0 0c729d15 c206c0e0 c5de0780 c5de0780 c681c000 WRITE_RO.sh # ex=[1 #7 9.874670] df40: b6e4d000 00000000 00000000 00000004 c681df94 c681df60 c059be18 c059b76c elftests: lkdtm: I[T E _ R7O.885191] df60: 00000000 00000000 c681dfac 0c729d15 00000014 00000014 b6f94e00 00000004 _AFTER_INIT.sh <0>[ 79.895712] df80: c03002e4 c681c000 c681dfa4 c681df98 c059bea8 c059bdb0 00000000 c681dfa8 <0>[ 79.905538] dfa0: c03000c0 c059be9c 00000014 00000014 00000001 b6e4d000 00000014 00000000 <0>[ 79.913988] dfc0: 00000014 00000014 b6f94e00 00000004 00000001 00000000 00020000 beff1ac4 <0>[ 79.922438] dfe0: 00000004 beff17f8 b6efed8f b6e857e6 800e0030 00000001 00000000 00000000 <0>[ 79.930880] Backtrace: <0>[ 79.933619] [] (lkdtm_WRITE_RO_AFTER_INIT) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 79.942847] r5:c6b11000 r4:00000029 <0>[ 79.946698] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 79.954983] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 79.963173] r9:c681df60 r8:c30bfd80 r7:00000014 r6:b6e4d000 r5:c5de0780 r4:c0c56cd8 <0>[ 79.971198] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 79.979301] r9:c07e12d4 r8:c681df60 r7:c2815800 r6:b6e4d000 r5:c5de0780 r4:00000000 <0>[ 79.987320] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 79.994728] r10:00000004 r9:00000000 r8:00000000 r7:b6e4d000 r6:c681c000 r5:c5de0780 <0>[ 80.002826] r4:c5de0780 <0>[ 80.005634] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 80.013042] r9:c681c000 r8:c03002e4 r7:00000004 r6:b6f94e00 r5:00000014 r4:00000014 <0>[ 80.021064] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 80.028900] Exception stack(0xc681dfa8 to 0xc681dff0) <0>[ 80.034224] dfa0: 00000014 00000014 00000001 b6e4d000 00000014 00000000 <0>[ 80.042673] dfc0: 00000014 00000014 b6f94e00 00000004 00000001 00000000 00020000 beff1ac4 <0>[ 80.051119] dfe0: 00000004 beff17f8 b6efed8f b6e857e6 <0>[ 80.056445] Code: e34a3bcd e3060190 e34c01ad e0233002 (e5843000) <4>[ 80.062814] ---[ end trace 707f2933438bd7ec ]--- # Segmentation fault # [ 79.598100] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT # [ 79.606281] lkdtm: attempting bad ro_after_init write at c1b88c60 # [ 79.615551] 8<--- cut here --- # [ 79.621617] Unable to handle kernel paging request at virtual address c1b88c60 # [ 79.631186] pgd = df7b9d86 # [ 79.636409] [c1b88c60] *pgd=11a1941e(bad) # [ 79.643377] Internal error: Oops: 80d [#13] SMP ARM # [ 79.650431] 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 imx_ldb can_dev etnaviv dw_hdmi_imx dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 # [ 79.682398] CPU: 3 PID: 2500 Comm: cat Tainted: G D W 5.10.199-cip39 #1 # [ 79.692567] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 79.701277] PC is at lkdtm_WRITE_RO_AFTER_INIT+0x64/0x70 # [ 79.709629] LR is at __irq_work_queue_local+0x40/0x74 # [ 79.717532] pc : [] lr : [] psr: 600e0013 # [ 79.725880] sp : c681de50 ip : c681dd58 fp : c681de64 # [ 79.733101] r10: 00000014 r9 : c1ad5398 r8 : c15ebbf4 # [ 79.740409] r7 : c681df60 r6 : 00000014 r5 : c6b11000 r4 : c1b88c60 # [ 79.749019] r3 : fe67479e r2 : 55aa55aa r1 : ef7c05e0 r0 : c1ad6190 # [ 79.757717] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 79.767021] Control: 10c5387d Table: 169c404a DAC: 00000051 # [ 79.775025] Process cat (pid: 2500, stack limit = 0x982480b7) # [ 79.783111] Stack: (0xc681de50 to 0xc681e000) # [ 79.789641] de40: 00000029 c6b11000 c681de74 c681de68 # [ 79.800163] de60: c0c568f8 c13c691c c681de9c c681de78 c0c56df8 c0c568d8 c0c56cd8 c5de0780 # [ 79.810683] de80: b6e4d000 00000014 c30bfd80 c681df60 c681dec4 c681dea0 c07e1338 c0c56ce4 # [ 79.821377] dea0: 00000000 c5de0780 b6e4d000 c2815800 c681df60 c07e12d4 c681df5c c681dec8 # [ 79.832070] dec0: c059b86c c07e12e0 00000001 00000000 c059be18 c13dbdd0 c059be18 c681c000 # [ 79.842763] dee0: b6e4d000 00020000 00000004 00000014 0001ffec c681dee0 00000001 b6e4c000 # [ 79.853369] df00: c6a14b40 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 79.863976] df20: 00000000 00000000 c13dbdd0 0c729d15 c206c0e0 c5de0780 c5de0780 c681c000 # [ 79.874670] df40: b6e4d000 00000000 00000000 00000004 c681df94 c681df60 c059be18 c059b76c # [ 79.885191] df60: 00000000 00000000 c681dfac 0c729d15 00000014 00000014 b6f94e00 00000004 # [ 79.895712] df80: c03002e4 c681c000 c681dfa4 c681df98 c059bea8 c059bdb0 00000000 c681dfa8 # [ 79.905538] dfa0: c03000c0 c059be9c 00000014 00000014 00000001 b6e4d000 00000014 00000000 # [ 79.913988] dfc0: 00000014 00000014 b6f94e00 00000004 00000001 00000000 00020000 beff1ac4 # [ 79.922438] dfe0: 00000004 beff17f8 b6efed8f b6e857e6 800e0030 00000001 00000000 00000000 # [ 79.930880] Backtrace: # [ 79.933619] [] (lkdtm_WRITE_RO_AFTER_INIT) from [] (lkdtm_do_action+0x2c/0x4c) # [ 79.942847] r5:c6b11000 r4:00000029 # [ 79.946698] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 79.954983] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 79.963173] r9:c681df60 r8:c30bfd80 r7:00000014 r6:b6e4d000 r5:c5de0780 r4:c0c56cd8 # [ 79.971198] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 79.979301] r9:c07e12d4 r8:c681df60 r7:c2815800 r6:b6e4d000 r5:c5de0780 r4:00000000 # [ 79.987320] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 79.994728] r10:00000004 r9:00000000 r8:00000000 r7:b6e4d000 r6:c681c000 r5:c5de0780 # [ 80.002826] r4:c5de0780 # [ 80.005634] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 80.013042] r9:c681c0<6>[ 80.512225] lkdtm: Performing direct entry WRITE_KERN 00 r8:c03002e4 r7:00000004 r6:b6f<6>[ 80.520146] lkdtm: attempting bad 7795072 byte write at c13c67e8 94e00 r5:00000014 r4:00000014 # <1>[ 80.529343] 8<--- cut here --- [ 80.021064] [<5[9 b e 980.535413] Unable to handle kernel paging request at virtual address c13c67e8 >] (sys_writ [ f r o8m0 .[5<4976] pgd = fdc65ae4 c03000c0>] (ret_fast_sysca+[ 80.549765] [c13c67e8] *pgd=1121940e(bad) x0/0x28) # [ 80.<002>8[9 0 0 ]0.556557] Internal error: Oops: 80d [#14] SMP ARM Exception stack(0xc681dfa8 to 0x<4>[ 80.563860] 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 imx_ldb can_dev etnaviv dw_hdmi_imx dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 c681dff0) # [ 80.0<344>2[2 4 ]80.595825] CPU: 2 PID: 2575 Comm: cat Tainted: G D W 5.10.199-cip39 #1 dfa0: < 4 > [ 8 0 . 6 06079] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 00000014 00000014 000<040>0[0 80.614696] PC is at memcpy+0x50/0x330 b6e4d000 00000<041>4[ 0 08000.621127] LR is at 0xe92dd830 000 # [ <840>.[0 4 2 68703.]6 6522] pc : [] lr : [] psr: 200e0013 dfc0: 0<040>0[0 0 1 48 00.060304069] sp : c4757e2c ip : e1a0c00d fp : c4757e64 014 b6f940[ 0 0 0800.060402002] r10: 0000000b r9 : c1ad53ac r8 : e89da800 00000001< 40>0[0 0 0 08000. 6040222] r7 : e8bd4000 r6 : e52de004 r5 : e24cb004 r4 : e92dd800 020000 bf[1 a c 48 0 .#6 5[7745] r3 : e1a0c00d r2 : 0076f0e0 r1 : c0c57688 r0 : c13c67e8 80.051119] df[: 0 08000.666269] Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none 004 beff17 [b 6 e f8e0d.86f75657] Control: 10c5387d Table: 169c004a DAC: 00000051 b6e857e6 # [< 0 > [8 0 . 08506.483485] Process cat (pid: 2575, stack limit = 0x1349a276) 45] Code: e<304>a[3 b c d8 0e.3601398] Stack: (0xc4757e2c to 0xc4758000) 60190 e34c01ad e<002>3[3 0 0 820 697840] 7e20: c0c57668 0076f180 c4757f60 c15ebbf4 c13c67e8 (e5843000) # [ <800>.[0 6 2 80.708274] 7e40: c13c67e8 c13c69cc 0000002a c40c7000 0000000b c4757f60 c4757e74 c4757e68 14] ---[ end tre[ 7 0 78f02718877] 7e60: c0c568f8 c13c698c c4757e9c c4757e78 c0c56df8 c0c568d8 c0c56cd8 c686ec80 933438bd7ec ]--<-0 > [# W R8I0T729308] 7e80: b6db9000 0000000b c30bfd80 c4757f60 c4757ec4 c4757ea0 c07e1338 c0c56ce4 E_RO_AFTER_INIT<:0 >m[i s s i8n0g739741] 7ea0: 00000000 c686ec80 b6db9000 c2815800 c4757f60 c07e12d4 c4757f5c c4757ec8 'call trace:': <[0F>A[I L ] 8 0.750174] 7ec0: c059b86c c07e12e0 00000001 00000000 c059be18 c13dbdd0 c059be18 c4756000 ot ok 40 selfs[t s : 8l0k.d60691] 7ee0: b6db9000 00020000 00000004 0000000b 0001fff5 c4757ee0 00000001 b6db8000 tm: WRITE_RO_AE[R _ I N8I0T.771035] 7f00: c5bdb900 00000000 00000000 00000000 00000000 00000000 00000000 00000000 sh # exit=1 # sel[e s t s8:.781469] 7f20: 00000000 00000000 c13dbdd0 cd6f682e c206c0e0 c686ec80 c686ec80 c4756000 lkdtm: WRITE<_0K>E[R N . s8h0 . 91986] 7f40: b6db9000 00000000 00000000 00000004 c4757f94 c4757f60 c059be18 c059b76c <0>[ 80.802332] 7f60: 00000000 00000000 c4757fac cd6f682e 0000000b 0000000b b6f00e00 00000004 <0>[ 80.810778] 7f80: c03002e4 c4756000 c4757fa4 c4757f98 c059bea8 c059bdb0 00000000 c4757fa8 <0>[ 80.819224] 7fa0: c03000c0 c059be9c 0000000b 0000000b 00000001 b6db9000 0000000b 00000000 <0>[ 80.827669] 7fc0: 0000000b 0000000b b6f00e00 00000004 00000001 00000000 00020000 be85fac4 <0>[ 80.836114] 7fe0: 00000004 be85f7f8 b6e6ad8f b6df17e6 800e0030 00000001 00000000 00000000 <0>[ 80.844554] Backtrace: <0>[ 80.847289] [] (lkdtm_WRITE_KERN) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 80.855736] r7:c4757f60 r6:0000000b r5:c40c7000 r4:0000002a <0>[ 80.861668] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 80.869947] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 80.878134] r9:c4757f60 r8:c30bfd80 r7:0000000b r6:b6db9000 r5:c686ec80 r4:c0c56cd8 <0>[ 80.886151] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 80.894250] r9:c07e12d4 r8:c4757f60 r7:c2815800 r6:b6db9000 r5:c686ec80 r4:00000000 <0>[ 80.902263] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 80.909667] r10:00000004 r9:00000000 r8:00000000 r7:b6db9000 r6:c4756000 r5:c686ec80 <0>[ 80.917760] r4:c686ec80 <0>[ 80.920565] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 80.927968] r9:c4756000 r8:c03002e4 r7:00000004 r6:b6f00e00 r5:0000000b r4:0000000b <0>[ 80.935984] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 80.943817] Exception stack(0xc4757fa8 to 0xc4757ff0) <0>[ 80.949137] 7fa0: 0000000b 0000000b 00000001 b6db9000 0000000b 00000000 <0>[ 80.957583] 7fc0: 0000000b 0000000b b6f00e00 00000004 00000001 00000000 00020000 be85fac4 <0>[ 80.966026] 7fe0: 00000004 be85f7f8 b6e6ad8f b6df17e6 <0>[ 80.971345] Code: f5d1f05c f5d1f07c e8b151f8 e2522020 (e8a051f8) <4>[ 80.977709] ---[ end trace 707f2933438bd7ed ]--- # Segmentation fault # [ 80.512225] lkdtm: Performing direct entry WRITE_KERN # [ 80.520146] lkdtm: attempting bad 7795072 byte write at c13c67e8 # [ 80.529343] 8<--- cut here --- # [ 80.535413] Unable to handle kernel paging request at virtual address c13c67e8 # [ 80.544976] pgd = fdc65ae4 # [ 80.549765] [c13c67e8] *pgd=1121940e(bad) # [ 80.556557] Internal error: Oops: 80d [#14] SMP ARM # [ 80.563860] 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 imx_ldb can_dev etnaviv dw_hdmi_imx dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 # [ 80.595825] CPU: 2 PID: 2575 Comm: cat Tainted: G D W 5.10.199-cip39 #1 # [ 80.606079] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 80.614696] PC is at memcpy+0x50/0x330 # [ 80.621127] LR is at 0xe92dd830 # [ 80.626522] pc : [] lr : [] psr: 200e0013 # [ 80.634869] sp : c4757e2c ip : e1a0c00d fp : c4757e64 # [ 80.642002] r10: 0000000b r9 : c1ad53ac r8 : e89da800 # [ 80.649222] r7 : e8bd4000 r6 : e52de004 r5 : e24cb004 r4 : e92dd800 # [ 80.657745] r3 : e1a0c00d r2 : 0076f0e0 r1 : c0c57688 r0 : c13c67e8 # [ 80.666269] Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 80.675657] Control: 10c5387d Table: 169c004a DAC: 00000051 # [ 80.683485] Process cat (pid: 2575, stack limit = 0x1349a276) # [ 80.691398] Stack: (0xc4757e2c to 0xc4758000) # [ 80.697840] 7e20: c0c57668 0076f180 c4757f60 c15ebbf4 c13c67e8 # [ 80.708274] 7e40: c13c67e8 c13c69cc 0000002a c40c7000 0000000b c4757f60 c4757e74 c4757e68 # [ 80.718877] 7e60: c0c568f8 c13c698c c4757e9c c4757e78 c0c56df8 c0c568d8 c0c56cd8 c686ec80 # [ 80.729308] 7e80: b6db9000 0000000b c30bfd80 c4757f60 c4757ec4 c4757ea0 c07e1338 c0c56ce4 # [ 80.739741] 7ea0: 00000000 c686ec80 b6db9000 c2815800 c4757f60 c07e12d4 c4757f5c c4757ec8 # [ 80.750174] 7ec0: c059b86c c07e12e0 00000001 00000000 c059be18 c13dbdd0 c059be18 c4756000 # [ 80.760691] 7ee0: b6db9000 00020000 00000004 0000000b 0001fff5 c4757ee0 00000001 b6db8000 # [ 80.771035] 7f00: c5bdb900 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 80.781469] 7f20: 00000000 00000000 c13dbdd0 cd6f682e c206c0e0 c686ec80 c686ec80 c4756000 # [ 80.791986] 7f40: b6db9000 00000000 00000000 00000004 c4757f94 c4757f60 c059be18 c059b76c # [ 80.802332] 7f60: 00000000 00000000 c4757fac cd6f682e 0000000b 0000000b b6f00e00 00000004 # [ 80.810778] 7f80: c03002e4 c4756000 c4757fa4 c4757f98 c059bea8 c059bdb0 00000000 c4757fa8 # [ 80.819224] 7fa0: c03000c0 c059be9c 0000000b 0000000b 00000001 b6db9000 0000000b 00000000 # [ 80.827669] 7fc0: 0000000b 0000000b b6f00e00 00000004 00000001 00000000 00020000 be85fac4 # [ 80.836114] 7fe0: 00000004 be85f7f8 b6e6ad8f b6df17e6 800e0030 00000001 00000000 00000000 # [ 80.844554] Backtrace: # [ 80.847289] [] (lkdtm_WRITE_KERN) from [] (lkdtm_do_action+0x2c/0x4c) # [ 80.855736] r7:c4757f60 r6:0000000b r5:c40c7000 r4:0000002a # [ 80.861668] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 80.869947] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 80.878134] r9:c4757f60 r8:c30bfd80 r7:0000000b r6:b6db9000 r5:c686ec80 r4:c0c56cd8 # [ 80.886151] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 80.894250] r9:c07e12d4 r8:c4757f60 r7:c2815800 r6:b6db9000 r5:c686ec80 r4:00000000 # [ 80.902263] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 80.909667] r10:00000004 r9:00000000 r8:00000000 r7:b6db9000 r6:c4756000 r5:c686ec80 # [ 80.917760] r4:c686ec80 # [ 80.920565] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 80.927968] r9:c4756000 r8:c03002e4 r7:00000004 r6:b6f00e00 r5:0000000b r4:0000000b # [ 80.935984] [[ 81.439877] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW 059be90>] (sys_write) from [[ 81.447882] lkdtm: attempting good refcount_inc() without overflow 00c0>] (ret_fast_syscall+0x0/0x28<6>[ 81.457286] lkdtm: attempting bad refcount_inc() overflow ) # [ 80.943817] Exception sta<4>[ 81.465704] ------------[ cut here ]------------ ck(0xc4757fa8 to 0xc4757ff0) # [<4>[ 81.473412] WARNING: CPU: 2 PID: 2651 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 80.949137] 7fa0: <4>[ 81.484992] refcount_t: saturated; leaking memory. 0000000b 0000000b 00000001 b<4>[ 81.492918] 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 imx_ldb can_dev etnaviv dw_hdmi_imx dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 6db9000 0000000b 00000000 # [ <4>[ 81.524876] CPU: 2 PID: 2651 Comm: cat Tainted: G D W 5.10.199-cip39 #1 80.957583<]4 >7[f c 0 :8 10.05030701] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 000b 0000000b b6f000[ 0 0 01.544224] Backtrace: 00004 00000001 00000000 <040>0[2 81.549109] [] (dump_backtrace) from [] (show_stack+0x20/0x24) 000 be85fac4 #< 4[> [ 8 08.19559361] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d078 66026] 7fe0: 00000004< 4b>e[8 5 f81.567279] [] (show_stack) from [] (dump_stack+0xe0/0x100) 7f8 b6e6ad8f b6df17e6 <#4 >[[ 81.577105] [] (dump_stack) from [] (__warn+0x98/0x14c) 80.971345] Co:[ f 5 d811f.586664] r9:00000009 r8:c0874d40 r7:00000016 r6:00000009 r5:c0874d40 r4:c1a29510 5c f5d1f07c e8b151f8< 4e>2[5 2 2 81.596665] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) 20 (e8a051f8)< 4 > [# [ 8 1 .806657] r7:00000016 r6:c1a29510 r5:c1a294e8 r4:c6ac2000 0.977709] ---[ end tc[e 7 81.614488] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) 7f2933438bd7ed <]4->-[- #8 1W625958] r9:c1ad53b8 r8:c15ebbf4 r7:c6ac3f60 r6:00000016 r5:c40c7000 r4:c6ac2000 RITE_KERN: missing 'calt[r a 81.635960] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) ce:': [FAIL] not ok 41 set[ 81.648217] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_OVERFLOW+0x78/0x9c) sts: lkdtm: WRITE_KN[. s h 1.661073] [] (lkdtm_REFCOUNT_INC_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # exit=<14 > [# s e8l1f.t6e7s2t26] r4:0000002b s: lkdtm: REFCOUNT<_4I>N[C _ O V81.677075] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) RFLOW.sh <4>[ 81.687512] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 81.696549] r9:c6ac3f60 r8:c30bfd80 r7:00000016 r6:b6e90000 r5:c6a15b80 r4:c0c56cd8 <4>[ 81.704568] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 81.712666] r9:c07e12d4 r8:c6ac3f60 r7:c2815800 r6:b6e90000 r5:c6a15b80 r4:00000000 <4>[ 81.720678] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 81.728081] r10:00000004 r9:00000000 r8:00000000 r7:b6e90000 r6:c6ac2000 r5:c6a15b80 <4>[ 81.736175] r4:c6a15b80 <4>[ 81.738978] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 81.746381] r9:c6ac2000 r8:c03002e4 r7:00000004 r6:b6fd7e00 r5:00000016 r4:00000016 <4>[ 81.754397] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 81.762231] Exception stack(0xc6ac3fa8 to 0xc6ac3ff0) <4>[ 81.767553] 3fa0: 00000016 00000016 00000001 b6e90000 00000016 00000000 <4>[ 81.776000] 3fc0: 00000016 00000016 b6fd7e00 00000004 00000001 00000000 00020000 bed84ac4 <4>[ 81.784443] 3fe0: 00000004 bed847f8 b6f41d8f b6ec87e6 <4>[ 81.789814] irq event stamp: 0 <4>[ 81.793145] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 81.799019] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 81.806843] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 81.814609] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 81.820541] ---[ end trace 707f2933438bd7ee ]--- <6>[ 81.825470] lkdtm: Overflow detected: saturated # [ 81.439877] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW # [ 81.447882] lkdtm: attempting good refcount_inc() without overflow # [ 81.457286] lkdtm: attempting bad refcount_inc() overflow # [ 81.465704] ------------[ cut here ]------------ # [ 81.473412] WARNING: CPU: 2 PID: 2651 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 81.484992] refcount_t: saturated; leaking memory. # [ 81.492918] 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 imx_ldb can_dev etnaviv dw_hdmi_imx dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 # [ 81.524876] CPU: 2 PID: 2651 Comm: cat Tainted: G D W 5.10.199-cip39 #1 # [ 81.535701] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 81.544224] Backtrace: # [ 81.549109] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 81.559361] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d078 # [ 81.567279] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 81.577105] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 81.586664] r9:00000009 r8:c0874d40 r7:00000016 r6:00000009 r5:c0874d40 r4:c1a29510 # [ 81.596665] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 81.606657] r7:00000016 r6:c1a29510 r5:c1a294e8 r4:c6ac2000 # [ 81.614488] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 81.625958] r9:c1ad53b8 r8:c15ebbf4 r7:c6ac3f60 r6:00000016 r5:c40c7000 r4:c6ac2000 # [ 81.635960] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 81.648217] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_OVERFLOW+0x78/0x9c) # [ 81.661073] [] (lkdtm_REFCOUNT_INC_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 81.672626] r4:0000002b # [ 81.677075] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 81.687512] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 81.696549] r9:c6ac3f60 r8:c30bfd80 r7:00000016 r6:b6e90000 r5:c6a15b80 r4:c0c56cd8 # [ 81.704568] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 81.712666] r9:c07e12d4 r8:c6ac3f60 r7:c2815800 r6:b6e90000 r5:c6a15b80 r4:00000000 # [ 81.720678] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 81.728081] r10:00000004 r9:00000000 r8:00000000 r7:b6e90000 r6:c6ac2000 r5:c6a15b80 # [ 81.736175] r4:c6a15b80 # [ 81.738978] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 81.746381] r9:c6ac2000 r8:c03002e4 r7:00000004 r6:b6fd7e00 r5:00000016 r4:00000016 # [ 81.754397] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 81.762231] Exception stack(0xc6ac3fa8 to 0xc6ac3ff0) # [ 81.767553] 3fa0: 00000016 00000016 00000001 b6e90000 00000016 00000000 # [ 81.776000] 3fc0: 00000016 00000016 b6fd7e00 00000004 00000001 00000000 00020000 bed84ac4 # [ 81.784443] 3fe0: 00000004 bed847f8 b6f41d8f b6ec87e6 # [ 81.789814] irq event stamp: 0 # [ 81.793145] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 81.799019] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 81.806843] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 81.814609] softirqs last disabled at (0): [<00000000>] 0x0 # [ 81.8205<6>[ 82.229126] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW 41] ---[ end trace 707f2933438bd7<6>[ 82.236400] lkdtm: attempting good refcount_add() without overflow ee ]--- # [ 81.825470] lkdtm: <6>[ 82.245813] lkdtm: attempting bad refcount_add() overflow Overflow detected: saturated #< >[ 82.254187] ------------[ cut here ]------------ REFCOUNT_INC_OVERFLOW: missing 'c<4>[ 82.261790] WARNING: CPU: 3 PID: 2686 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 all trace:': [FAIL] not ok 42 se<4>[ 82.273341] refcount_t: saturated; leaking memory. lftests: lkdtm: REFCOUNT_INC_OVER<4>[ 82.281248] 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 imx_ldb can_dev etnaviv dw_hdmi_imx dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 FLOW.sh # exit=1 # selftests: lk<4>[ 82.313224] CPU: 3 PID: 2686 Comm: cat Tainted: G D W 5.10.199-cip39 #1 dtm: REFCOT[_ A D D8_2O.V32E048] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) RFLOW.sh <4>[ 82.332570] Backtrace: <4>[ 82.336154] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 82.343995] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d078 <4>[ 82.349927] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 82.357511] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 82.364744] r9:00000009 r8:c0874d40 r7:00000016 r6:00000009 r5:c0874d40 r4:c1a29510 <4>[ 82.372757] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 82.380507] r7:00000016 r6:c1a29510 r5:c1a294e8 r4:c5a66000 <4>[ 82.386438] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) <4>[ 82.395666] r9:c1ad53d0 r8:c15ebbf4 r7:c5a67f60 r6:00000016 r5:c6b11000 r4:c5a66000 <4>[ 82.403683] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) <4>[ 82.413613] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_OVERFLOW+0x84/0xa8) <4>[ 82.423970] [] (lkdtm_REFCOUNT_ADD_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 82.433368] r4:0000002c <4>[ 82.436171] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 82.444449] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 82.452634] r9:c5a67f60 r8:c30bfd80 r7:00000016 r6:b6e53000 r5:c694fcc0 r4:c0c56cd8 <4>[ 82.460651] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 82.468749] r9:c07e12d4 r8:c5a67f60 r7:c2815800 r6:b6e53000 r5:c694fcc0 r4:00000000 <4>[ 82.476762] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 82.484165] r10:00000004 r9:00000000 r8:00000000 r7:b6e53000 r6:c5a66000 r5:c694fcc0 <4>[ 82.492259] r4:c694fcc0 <4>[ 82.495063] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 82.502466] r9:c5a66000 r8:c03002e4 r7:00000004 r6:b6f9ae00 r5:00000016 r4:00000016 <4>[ 82.510479] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 82.518314] Exception stack(0xc5a67fa8 to 0xc5a67ff0) <4>[ 82.523635] 7fa0: 00000016 00000016 00000001 b6e53000 00000016 00000000 <4>[ 82.532082] 7fc0: 00000016 00000016 b6f9ae00 00000004 00000001 00000000 00020000 beedeac4 <4>[ 82.540526] 7fe0: 00000004 beede7f8 b6f04d8f b6e8b7e6 <4>[ 82.545898] irq event stamp: 0 <4>[ 82.549231] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 82.555080] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 82.562879] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 82.570694] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 82.576586] ---[ end trace 707f2933438bd7ef ]--- <6>[ 82.581490] lkdtm: Overflow detected: saturated # [ 82.229126] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW # [ 82.236400] lkdtm: attempting good refcount_add() without overflow # [ 82.245813] lkdtm: attempting bad refcount_add() overflow # [ 82.254187] ------------[ cut here ]------------ # [ 82.261790] WARNING: CPU: 3 PID: 2686 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 82.273341] refcount_t: saturated; leaking memory. # [ 82.281248] 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 imx_ldb can_dev etnaviv dw_hdmi_imx dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 # [ 82.313224] CPU: 3 PID: 2686 Comm: cat Tainted: G D W 5.10.199-cip39 #1 # [ 82.324048] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 82.332570] Backtrace: # [ 82.336154] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 82.343995] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d078 # [ 82.349927] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 82.357511] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 82.364744] r9:00000009 r8:c0874d40 r7:00000016 r6:00000009 r5:c0874d40 r4:c1a29510 # [ 82.372757] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 82.380507] r7:00000016 r6:c1a29510 r5:c1a294e8 r4:c5a66000 # [ 82.386438] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 82.395666] r9:c1ad53d0 r8:c15ebbf4 r7:c5a67f60 r6:00000016 r5:c6b11000 r4:c5a66000 # [ 82.403683] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 82.413613] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_OVERFLOW+0x84/0xa8) # [ 82.423970] [] (lkdtm_REFCOUNT_ADD_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 82.433368] r4:0000002c # [ 82.436171] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 82.444449] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 82.452634] r9:c5a67f60 r8:c30bfd80 r7:00000016 r6:b6e53000 r5:c694fcc0 r4:c0c56cd8 # [ 82.460651] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 82.468749] r9:c07e12d4 r8:c5a67f60 r7:c2815800 r6:b6e53000 r5:c694fcc0 r4:00000000 # [ 82.476762] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 82.484165] r10:00000004 r9:00000000 r8:00000000 r7:b6e53000 r6:c5a66000 r5:c694fcc0 # [ 82.492259] r4:c694fcc0 # [ 82.495063] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 82.502466] r9:c5a66000 r8:c03002e4 r7:00000004 r6:b6f9ae00 r5:00000016 r4:00000016 # [ 82.510479] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 82.518314] Exception stack(0xc5a67fa8 to 0xc5a67ff0) # [ 82.523635] 7fa0: 00000016 00000016 00000001 b6e53000 00000016 00000000 # [ 82.532082] 7fc0: 00000016 00000016 b6f9ae00 00000004 00000001 00000000 00020000 beedeac4 # [ 82.540526] 7fe0: 00000004 beede7f8 b6f04d8f b6e8b7e6 # [ 82.545898] irq event stamp: 0 # [ 82.549231] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 82.555080] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 82.562879] softirqs last enabled at (0): [] copy_process+0x5<6>[ 82.978824] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW f8/0x1dac # [ 82.570694] softi<6>[ 82.987644] lkdtm: attempting bad refcount_inc_not_zero() overflow rqs last disabled at (0): [<00000<4>[ 82.996945] ------------[ cut here ]------------ 000>] 0x0 # [ 82.576586] ---[ <4>[ 83.005788] WARNING: CPU: 0 PID: 2721 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 end trace 707f2933438bd7ef ]--- <4>[ 83.016278] refcount_t: saturated; leaking memory. # [ 82.581490] lkdtm: Overflow <4>[ 83.024163] 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 imx_ldb can_dev etnaviv dw_hdmi_imx dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 detected: saturated # REFCOUNT_A<4>[ 83.056158] CPU: 0 PID: 2721 Comm: cat Tainted: G D W 5.10.199-cip39 #1 <4>[ 83.066981] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 83.073774] Backtrace: <4>[ 83.076502] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 83.084342] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d078 <4>[ 83.090273] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 83.097859] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 83.105090] r9:00000009 r8:c0874d0c r7:00000013 r6:00000009 r5:c0874d0c r4:c1a29510 <4>[ 83.113102] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 83.120853] r7:00000013 r6:c1a29510 r5:c1a294e8 r4:c5afe000 <4>[ 83.126787] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) <4>[ 83.136014] r9:c1ad53e8 r8:c15ebbf4 r7:c5afff60 r6:0000001f r5:c68ab000 r4:7fffffff <4>[ 83.144033] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) <4>[ 83.154738] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x50/0x88) <4>[ 83.166654] r5:c68ab000 r4:c5afe000 <4>[ 83.170502] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 83.180679] r4:0000002d <4>[ 83.183484] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 83.191762] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 83.199949] r9:c5afff60 r8:c30bfd80 r7:0000001f r6:b6e44000 r5:c5ff5400 r4:c0c56cd8 <4>[ 83.207968] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 83.216068] r9:c07e12d4 r8:c5afff60 r7:c2815800 r6:b6e44000 r5:c5ff5400 r4:00000000 <4>[ 83.224079] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 83.231483] r10:00000004 r9:00000000 r8:00000000 r7:b6e44000 r6:c5afe000 r5:c5ff5400 <4>[ 83.239576] r4:c5ff5400 <4>[ 83.242380] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 83.249784] r9:c5afe000 r8:c03002e4 r7:00000004 r6:b6f8be00 r5:0000001f r4:0000001f <4>[ 83.257799] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 83.265633] Exception stack(0xc5afffa8 to 0xc5affff0) <4>[ 83.270954] ffa0: 0000001f 0000001f 00000001 b6e44000 0000001f 00000000 <4>[ 83.279401] ffc0: 0000001f 0000001f b6f8be00 00000004 00000001 00000000 00020000 be82fac4 <4>[ 83.287843] ffe0: 00000004 be82f7f8 b6ef5d8f b6e7c7e6 DD_OVERFLOW: missing 'call trace:<4>[ 83.293217] irq event stamp: 0 ': [FAIL] not ok 43 selftests: l<4>[ 83.299420] hardirqs last enabled at (0): [<00000000>] 0x0 kdtm: REFCOUNT_ADD_OVERFLOW.sh # <4>[ 83.308140] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac exit=1 # selftests: lkdtm: REFCO<4>[ 83.318763] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac UNT_INC_NOT_ZERO_OVERFLOW.sh <4>[ 83.329381] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 83.337804] ---[ end trace 707f2933438bd7f0 ]--- <6>[ 83.342692] lkdtm: Overflow detected: saturated # [ 82.978824] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 82.987644] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 82.996945] ------------[ cut here ]------------ # [ 83.005788] WARNING: CPU: 0 PID: 2721 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 83.016278] refcount_t: saturated; leaking memory. # [ 83.024163] 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 imx_ldb can_dev etnaviv dw_hdmi_imx dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 # [ 83.056158] CPU: 0 PID: 2721 Comm: cat Tainted: G D W 5.10.199-cip39 #1 # [ 83.066981] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 83.073774] Backtrace: # [ 83.076502] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 83.084342] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d078 # [ 83.090273] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 83.097859] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 83.105090] r9:00000009 r8:c0874d0c r7:00000013 r6:00000009 r5:c0874d0c r4:c1a29510 # [ 83.113102] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 83.120853] r7:00000013 r6:c1a29510 r5:c1a294e8 r4:c5afe000 # [ 83.126787] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 83.136014] r9:c1ad53e8 r8:c15ebbf4 r7:c5afff60 r6:0000001f r5:c68ab000 r4:7fffffff # [ 83.144033] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 83.154738] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x50/0x88) # [ 83.166654] r5:c68ab000 r4:c5afe000 # [ 83.170502] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 83.180679] r4:0000002d # [ 83.183484] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 83.191762] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 83.199949] r9:c5afff60 r8:c30bfd80 r7:0000001f r6:b6e44000 r5:c5ff5400 r4:c0c56cd8 # [ 83.207968] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 83.216068] r9:c07e12d4 r8:c5afff60 r7:c2815800 r6:b6e44000 r5:c5ff5400 r4:00000000 # [ 83.224079] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 83.231483] r10:00000004 r9:00000000 r8:00000000 r7:b6e44000 r6:c5afe000 r5:c5ff5400 # [ 83.239576] r4:c5ff5400 # [ 83.242380] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 83.249784] r9:c5afe000 r8:c03002e4 r7:00000004 r6:b6f8be00 r5:0000001f r4:0000001f # [ 83.257799] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 83.265633] Exception stack(0xc5afffa8 to 0xc5affff0) # [ 83.270954] ffa0: 0000001f 0000001f 00000001 b6e44000 0000001f 00000000 # [ 83.279401] ffc0: 0000001f 0000001f b6f8be00 00000004 00000001 00000000 00020000 be82fac4 # [ 83.287843] ffe0: 00000004 be82f7f8 b6ef5d8f b6e7c7e6 # [ 83.293217] irq event stamp: 0 # [ 83.299420] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 83.308140] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 83.318763] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 83.329381] softirqs last disabled at (0): [<00000000<6>[ 83.751164] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW >] 0x0 # [ 83.337804] ---[ end<6>[ 83.760247] lkdtm: attempting bad refcount_add_not_zero() overflow trace 707f2933438bd7f0 ]--- # [<4>[ 83.769653] ------------[ cut here ]------------ 83.342692] lkdtm: Overflow det<4>[ 83.777552] WARNING: CPU: 0 PID: 2756 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 ected: saturated # REFCOUNT_INC_<4>[ 83.789052] refcount_t: saturated; leaking memory. NOT_ZERO_OVERFLOW: missing 'call <4>[ 83.796977] 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 imx_ldb can_dev etnaviv dw_hdmi_imx dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 trace:': [FAIL] not ok 44 selfte<4>[ 83.828969] CPU: 0 PID: 2756 Comm: cat Tainted: G D W 5.10.199-cip39 #1 <4>[ 83.839792] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 83.846584] Backtrace: <4>[ 83.849317] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 83.857157] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d078 <4>[ 83.863089] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 83.870676] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 83.877908] r9:00000009 r8:c0874d0c r7:00000013 r6:00000009 r5:c0874d0c r4:c1a29510 <4>[ 83.885922] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 83.893672] r7:00000013 r6:c1a29510 r5:c1a294e8 r4:c5ab6000 <4>[ 83.899604] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) <4>[ 83.908832] r9:c1ad5408 r8:c15ebbf4 r7:c5ab7f60 r6:0000001f r5:c6bcc000 r4:7fffffff <4>[ 83.916852] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) <4>[ 83.927560] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x50/0x88) <4>[ 83.939475] r5:c6bcc000 r4:c5ab6000 <4>[ 83.943326] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 83.953502] r4:0000002e <4>[ 83.956308] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 83.964587] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 83.972771] r9:c5ab7f60 r8:c30bfd80 r7:0000001f r6:b6e75000 r5:c686f400 r4:c0c56cd8 <4>[ 83.980791] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 83.988889] r9:c07e12d4 r8:c5ab7f60 r7:c2815800 r6:b6e75000 r5:c686f400 r4:00000000 <4>[ 83.996902] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 84.004306] r10:00000004 r9:00000000 r8:00000000 r7:b6e75000 r6:c5ab6000 r5:c686f400 <4>[ 84.012398] r4:c686f400 <4>[ 84.015203] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 84.022606] r9:c5ab6000 r8:c03002e4 r7:00000004 r6:b6fbce00 r5:0000001f r4:0000001f <4>[ 84.030621] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 84.038455] Exception stack(0xc5ab7fa8 to 0xc5ab7ff0) <4>[ 84.043776] 7fa0: 0000001f 0000001f 00000001 b6e75000 0000001f 00000000 <4>[ 84.052222] 7fc0: 0000001f 0000001f b6fbce00 00000004 00000001 00000000 00020000 beeefac4 <4>[ 84.060665] 7fe0: 00000004 beeef7f8 b6f26d8f b6ead7e6 sts: lkdtm: REFCOUNT_INC_NOT_ZERO<4>[ 84.066039] irq event stamp: 0 _OVERFLOW.sh # exit=1 # selftest<4>[ 84.072225] hardirqs last enabled at (0): [<00000000>] 0x0 s: lkdtm: REFCOUNT_ADD_NOT_ZERO_O<4>[ 84.080937] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac VERFLOW.sh <4>[ 84.091545] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 84.100327] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 84.106192] ---[ end trace 707f2933438bd7f1 ]--- <6>[ 84.111082] lkdtm: Overflow detected: saturated # [ 83.751164] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 83.760247] lkdtm: attempting bad refcount_add_not_zero() overflow # [ 83.769653] ------------[ cut here ]------------ # [ 83.777552] WARNING: CPU: 0 PID: 2756 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 83.789052] refcount_t: saturated; leaking memory. # [ 83.796977] 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 imx_ldb can_dev etnaviv dw_hdmi_imx dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 # [ 83.828969] CPU: 0 PID: 2756 Comm: cat Tainted: G D W 5.10.199-cip39 #1 # [ 83.839792] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 83.846584] Backtrace: # [ 83.849317] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 83.857157] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d078 # [ 83.863089] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 83.870676] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 83.877908] r9:00000009 r8:c0874d0c r7:00000013 r6:00000009 r5:c0874d0c r4:c1a29510 # [ 83.885922] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 83.893672] r7:00000013 r6:c1a29510 r5:c1a294e8 r4:c5ab6000 # [ 83.899604] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 83.908832] r9:c1ad5408 r8:c15ebbf4 r7:c5ab7f60 r6:0000001f r5:c6bcc000 r4:7fffffff # [ 83.916852] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 83.927560] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x50/0x88) # [ 83.939475] r5:c6bcc000 r4:c5ab6000 # [ 83.943326] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 83.953502] r4:0000002e # [ 83.956308] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 83.964587] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 83.972771] r9:c5ab7f60 r8:c30bfd80 r7:0000001f r6:b6e75000 r5:c686f400 r4:c0c56cd8 # [ 83.980791] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 83.988889] r9:c07e12d4 r8:c5ab7f60 r7:c2815800 r6:b6e75000 r5:c686f400 r4:00000000 # [ 83.996902] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 84.004306] r10:00000004 r9:00000000 r8:00000000 r7:b6e75000 r6:c5ab6000 r5:c686f400 # [ 84.012398] r4:c686f400 # [ 84.015203] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 84.022606] r9:c5ab6000 r8:c03002e4 r7:00000004 r6:b6fbce00 r5:0000001f r4:0000001f # [ 84.030621] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 84.038455] Exception stack(0xc5ab7fa8 to 0xc5ab7ff0) # [ 84.043776] 7fa0: 0000001f 0000001f 00000001 b6e75000 0000001f 00000000 # [ 84.052222] 7fc0: 0000001f 0000001f b6fbce00 00000004 00000001 00000000 00020000 beeefac4 # [ 84.060665] 7fe0: 00000004 beeef7f8 b6f26d8f b6ead7e6 # [ 84.066039] irq event stamp: 0 # [ 84.072225] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 84.080937] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 84.091545] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 84.100327] softirqs last disabled at (0): [<00000000>] 0x0 # [ 84.106192] ---[ end trace 707f2933438bd7f1 ]--- # [ 84.111082] lkdtm: Overflow detected: saturated # REFCOUNT_ADD_NOT_ZERO_OVERFLOW: missing 'call trace:': [FAIL] not ok<6>[ 84.553808] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO 45 selftests: lkdtm: REFCOUNT_AD<6>[ 84.561459] lkdtm: attempting good refcount_dec() D_NOT_ZERO_OVERFLOW.sh # exit=1 <6>[ 84.569218] lkdtm: attempting bad refcount_dec() to zero # selftests: lkdtm: REFCOUNT_DEC_<4>[ 84.577774] ------------[ cut here ]------------ ZERO.sh <4>[ 84.585445] WARNING: CPU: 3 PID: 2791 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 <4>[ 84.594840] refcount_t: decrement hit 0; leaking memory. <4>[ 84.600453] 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 imx_ldb can_dev etnaviv dw_hdmi_imx dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 <4>[ 84.629886] CPU: 3 PID: 2791 Comm: cat Tainted: G D W 5.10.199-cip39 #1 <4>[ 84.637896] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 84.644690] Backtrace: <4>[ 84.647421] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 84.655262] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d078 <4>[ 84.661193] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 84.668778] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 84.676010] r9:00000009 r8:c0874cd8 r7:0000001f r6:00000009 r5:c0874cd8 r4:c1a29510 <4>[ 84.684026] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 84.691777] r7:0000001f r6:c1a29510 r5:c1a29574 r4:c6af6000 <4>[ 84.697709] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) <4>[ 84.706937] r9:c1ad5428 r8:c15ebbf4 r7:c6af7f60 r6:00000012 r5:c5c84000 r4:c6af6000 <4>[ 84.714954] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) <4>[ 84.724879] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_ZERO+0x5c/0xd8) <4>[ 84.734893] [] (lkdtm_REFCOUNT_DEC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 84.743944] r4:0000002f <4>[ 84.746749] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 84.755028] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 84.763213] r9:c6af7f60 r8:c30bfd80 r7:00000012 r6:b6e63000 r5:c694f540 r4:c0c56cd8 <4>[ 84.771231] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 84.779330] r9:c07e12d4 r8:c6af7f60 r7:c2815800 r6:b6e63000 r5:c694f540 r4:00000000 <4>[ 84.787342] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 84.794746] r10:00000004 r9:00000000 r8:00000000 r7:b6e63000 r6:c6af6000 r5:c694f540 <4>[ 84.802839] r4:c694f540 <4>[ 84.805643] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 84.813047] r9:c6af6000 r8:c03002e4 r7:00000004 r6:b6faae00 r5:00000012 r4:00000012 <4>[ 84.821060] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 84.828895] Exception stack(0xc6af7fa8 to 0xc6af7ff0) <4>[ 84.834215] 7fa0: 00000012 00000012 00000001 b6e63000 00000012 00000000 <4>[ 84.842661] 7fc0: 00000012 00000012 b6faae00 00000004 00000001 00000000 00020000 befb6ac4 <4>[ 84.851104] 7fe0: 00000004 befb67f8 b6f14d8f b6e9b7e6 <4>[ 84.856467] irq event stamp: 0 <4>[ 84.859801] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 84.865676] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 84.873440] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 84.881244] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 84.887136] ---[ end trace 707f2933438bd7f2 ]--- <6>[ 84.892036] lkdtm: Zero detected: saturated # [ 84.553808] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO # [ 84.561459] lkdtm: attempting good refcount_dec() # [ 84.569218] lkdtm: attempting bad refcount_dec() to zero # [ 84.577774] ------------[ cut here ]------------ # [ 84.585445] WARNING: CPU: 3 PID: 2791 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 # [ 84.594840] refcount_t: decrement hit 0; leaking memory. # [ 84.600453] 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 imx_ldb can_dev etnaviv dw_hdmi_imx dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 # [ 84.629886] CPU: 3 PID: 2791 Comm: cat Tainted: G D W 5.10.199-cip39 #1 # [ 84.637896] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 84.644690] Backtrace: # [ 84.647421] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 84.655262] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d078 # [ 84.661193] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 84.668778] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 84.676010] r9:00000009 r8:c0874cd8 r7:0000001f r6:00000009 r5:c0874cd8 r4:c1a29510 # [ 84.684026] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 84.691777] r7:0000001f r6:c1a29510 r5:c1a29574 r4:c6af6000 # [ 84.697709] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) # [ 84.706937] r9:c1ad5428 r8:c15ebbf4 r7:c6af7f60 r6:00000012 r5:c5c84000 r4:c6af6000 # [ 84.714954] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) # [ 84.724879] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_ZERO+0x5c/0xd8) # [ 84.734893] [] (lkdtm_REFCOUNT_DEC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 84.743944] r4:0000002f # [ 84.746749] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 84.755028] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 84.763213] r9:c6af7f60 r8:c30bfd80 r7:00000012 r6:b6e63000 r5:c694f540 r4:c0c56cd8 # [ 84.771231] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 84.779330] r9:c07e12d4 r8:c6af7f60 r7:c2815800 r6:b6e63000 r5:c694f540 r4:00000000 # [ 84.787342] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 84.794746] r10:00000004 r9:00000000 r8:00000000 r7:b6e63000 r6:c6af6000 r5:c694f540 # [ 84.802839] r4:c694f540 # [ 84.805643] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 84.813047] r9:c6af6000 r8:c03002e4 r7:00000004 r6:b6faae00 r5:00000012 r4:00000012 # [ 84.821060] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 84.828895] Exception stack(0xc6af7fa8 to 0xc6af7ff0) # [ 84.834215] 7fa0: 00000012 00000012 00000001 b6e63000 00000012 00000000 # [ 84.842661] 7fc0: 00000012 00000012 b6faae00 00000004 00000001 00000000 00020000 befb6ac4 # [ 84.851104] 7fe0: 00000004 befb67f8 b6f14d8f b6e9b7e6 # [ 84.856467] irq event stamp: 0 # [ 84.859801] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 84.865676] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 84.873440] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 84.881244] softirqs last disabled at (0): [<00000000>] 0x0 # [ 84.887136] ---[ end trace 707f2933438bd7f2 ]--- # [ 84.892036] lkdtm: Zero detected: saturated # REFCOUNT_DEC_ZERO: missing 'call trace:': [FAIL] not ok 46 selftests: lk<6>[ 85.313663] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE dtm: REFCOUNT_DEC_ZERO.sh # exit=<6>[ 85.322715] lkdtm: attempting bad refcount_dec() below zero 1 # selftests: lkdtm: REFCOUNT_D<4>[ 85.331367] ------------[ cut here ]------------ EC_NEGATIVE.sh <4>[ 85.339181] WARNING: CPU: 3 PID: 2829 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 <4>[ 85.349139] refcount_t: decrement hit 0; leaking memory. <4>[ 85.354721] 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 imx_ldb can_dev etnaviv dw_hdmi_imx dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 <4>[ 85.384150] CPU: 3 PID: 2829 Comm: cat Tainted: G D W 5.10.199-cip39 #1 <4>[ 85.392160] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 85.398955] Backtrace: <4>[ 85.401684] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 85.409524] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d078 <4>[ 85.415455] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 85.423040] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 85.430273] r9:00000009 r8:c0874cd8 r7:0000001f r6:00000009 r5:c0874cd8 r4:c1a29510 <4>[ 85.438287] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 85.446036] r7:0000001f r6:c1a29510 r5:c1a29574 r4:c5aa0000 <4>[ 85.451969] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) <4>[ 85.461196] r9:c1ad543c r8:c15ebbf4 r7:c5aa1f60 r6:00000016 r5:00000000 r4:c5aa0000 <4>[ 85.469214] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) <4>[ 85.479139] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_NEGATIVE+0x48/0x70) <4>[ 85.489501] [] (lkdtm_REFCOUNT_DEC_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 85.498898] r5:c6b11000 r4:00000030 <4>[ 85.502745] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 85.511024] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 85.519210] r9:c5aa1f60 r8:c30bfd80 r7:00000016 r6:b6e5b000 r5:c5aa5900 r4:c0c56cd8 <4>[ 85.527227] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 85.535326] r9:c07e12d4 r8:c5aa1f60 r7:c2815800 r6:b6e5b000 r5:c5aa5900 r4:00000000 <4>[ 85.543339] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 85.550743] r10:00000004 r9:00000000 r8:00000000 r7:b6e5b000 r6:c5aa0000 r5:c5aa5900 <4>[ 85.558836] r4:c5aa5900 <4>[ 85.561639] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 85.569042] r9:c5aa0000 r8:c03002e4 r7:00000004 r6:b6fa2e00 r5:00000016 r4:00000016 <4>[ 85.577057] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 85.584891] Exception stack(0xc5aa1fa8 to 0xc5aa1ff0) <4>[ 85.590213] 1fa0: 00000016 00000016 00000001 b6e5b000 00000016 00000000 <4>[ 85.598660] 1fc0: 00000016 00000016 b6fa2e00 00000004 00000001 00000000 00020000 be8f4ac4 <4>[ 85.607102] 1fe0: 00000004 be8f47f8 b6f0cd8f b6e937e6 <4>[ 85.612466] irq event stamp: 0 <4>[ 85.615820] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 85.621670] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 85.629490] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 85.637310] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 85.643168] ---[ end trace 707f2933438bd7f3 ]--- <6>[ 85.648090] lkdtm: Negative detected: saturated # [ 85.313663] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 85.322715] lkdtm: attempting bad refcount_dec() below zero # [ 85.331367] ------------[ cut here ]------------ # [ 85.339181] WARNING: CPU: 3 PID: 2829 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 # [ 85.349139] refcount_t: decrement hit 0; leaking memory. # [ 85.354721] 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 imx_ldb can_dev etnaviv dw_hdmi_imx dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 # [ 85.384150] CPU: 3 PID: 2829 Comm: cat Tainted: G D W 5.10.199-cip39 #1 # [ 85.392160] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 85.398955] Backtrace: # [ 85.401684] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 85.409524] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d078 # [ 85.415455] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 85.423040] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 85.430273] r9:00000009 r8:c0874cd8 r7:0000001f r6:00000009 r5:c0874cd8 r4:c1a29510 # [ 85.438287] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 85.446036] r7:0000001f r6:c1a29510 r5:c1a29574 r4:c5aa0000 # [ 85.451969] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) # [ 85.461196] r9:c1ad543c r8:c15ebbf4 r7:c5aa1f60 r6:00000016 r5:00000000 r4:c5aa0000 # [ 85.469214] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) # [ 85.479139] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_NEGATIVE+0x48/0x70) # [ 85.489501] [] (lkdtm_REFCOUNT_DEC_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 85.498898] r5:c6b11000 r4:00000030 # [ 85.502745] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 85.511024] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 85.519210] r9:c5aa1f60 r8:c30bfd80 r7:00000016 r6:b6e5b000 r5:c5aa5900 r4:c0c56cd8 # [ 85.527227] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 85.535326] r9:c07e12d4 r8:c5aa1f60 r7:c2815800 r6:b6e5b000 r5:c5aa5900 r4:00000000 # [ 85.543339] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 85.550743] r10:00000004 r9:00000000 r8:00000000 r7:b6e5b000 r6:c5aa0000 r5:c5aa5900 # [ 85.558836] r4:c5aa5900 # [ 85.561639] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 85.569042] r9:c5aa0000 r8:c03002e4 r7:00000004 r6:b6fa2e00 r5:00000016 r4:00000016 # [ 85.577057] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 85.584891] Exception stack(0xc5aa1fa8 to 0xc5aa1ff0) # [ 85.590213] 1fa0: 00000016 00000016 00000001 b6e5b000 00000016 00000000 # [ 85.598660] 1fc0: 00000016 00000016 b6fa2e00 00000004 00000001 00000000 00020000 be8f4ac4 # [ 85.607102] 1fe0: 00000004 be8f47f8 b6f0cd8f b6e937e6 # [ 85.612466] irq event stamp: 0 # [ 85.615820] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 85.621670] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 85.629490] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 85.637310] softirqs last disabled at (0): [<00000000>] 0x0 # [ 85.643168] ---[ end trace 707f2933438bd7f3 ]--- # [ 85.648090] lkdtm: Negative detected: saturated # REFCOUNT_DEC_NEGATIVE: saw 'Negative detected: saturated': ok ok 47 selftests: lkdtm: REFCOUNT_DEC_NEGA<6>[ 86.074252] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE TIVE.sh # selftests: lkdtm: REFC<6>[ 86.082365] lkdtm: attempting bad refcount_dec_and_test() below zero OUNT_DEC_AND_TEST_NEGATIVE.sh <4>[ 86.091786] ------------[ cut here ]------------ <4>[ 86.099357] WARNING: CPU: 1 PID: 2865 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 <4>[ 86.108189] refcount_t: underflow; use-after-free. <4>[ 86.113308] 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 imx_ldb can_dev etnaviv dw_hdmi_imx dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 <4>[ 86.142704] CPU: 1 PID: 2865 Comm: cat Tainted: G D W 5.10.199-cip39 #1 <4>[ 86.150714] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 86.157507] Backtrace: <4>[ 86.160236] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 86.168076] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d078 <4>[ 86.174009] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 86.181594] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 86.188826] r9:00000009 r8:c0874da8 r7:0000001c r6:00000009 r5:c0874da8 r4:c1a29510 <4>[ 86.196839] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 86.204590] r7:0000001c r6:c1a29510 r5:c1a2954c r4:c6ac2000 <4>[ 86.210521] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) <4>[ 86.219835] r9:c1ad5454 r8:c15ebbf4 r7:c6ac3f60 r6:0000001f r5:00000000 r4:c6ac2000 <4>[ 86.227853] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) <4>[ 86.238562] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x50/0x8c) <4>[ 86.250483] [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 86.260662] r5:c6cfa000 r4:00000031 <4>[ 86.264508] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 86.272787] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 86.280973] r9:c6ac3f60 r8:c30bfd80 r7:0000001f r6:b6dc2000 r5:c2fcf540 r4:c0c56cd8 <4>[ 86.288991] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 86.297089] r9:c07e12d4 r8:c6ac3f60 r7:c2815800 r6:b6dc2000 r5:c2fcf540 r4:00000000 <4>[ 86.305101] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 86.312506] r10:00000004 r9:00000000 r8:00000000 r7:b6dc2000 r6:c6ac2000 r5:c2fcf540 <4>[ 86.320598] r4:c2fcf540 <4>[ 86.323403] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 86.330807] r9:c6ac2000 r8:c03002e4 r7:00000004 r6:b6f09e00 r5:0000001f r4:0000001f <4>[ 86.338822] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 86.346657] Exception stack(0xc6ac3fa8 to 0xc6ac3ff0) <4>[ 86.351977] 3fa0: 0000001f 0000001f 00000001 b6dc2000 0000001f 00000000 <4>[ 86.360424] 3fc0: 0000001f 0000001f b6f09e00 00000004 00000001 00000000 00020000 be9bfac4 <4>[ 86.368868] 3fe0: 00000004 be9bf7f8 b6e73d8f b6dfa7e6 <4>[ 86.374235] irq event stamp: 0 <4>[ 86.377595] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 86.383446] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 86.391261] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 86.399096] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 86.404960] ---[ end trace 707f2933438bd7f4 ]--- <6>[ 86.409897] lkdtm: Negative detected: saturated # [ 86.074252] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 86.082365] lkdtm: attempting bad refcount_dec_and_test() below zero # [ 86.091786] ------------[ cut here ]------------ # [ 86.099357] WARNING: CPU: 1 PID: 2865 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 86.108189] refcount_t: underflow; use-after-free. # [ 86.113308] 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 imx_ldb can_dev etnaviv dw_hdmi_imx dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 # [ 86.142704] CPU: 1 PID: 2865 Comm: cat Tainted: G D W 5.10.199-cip39 #1 # [ 86.150714] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 86.157507] Backtrace: # [ 86.160236] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 86.168076] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d078 # [ 86.174009] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 86.181594] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 86.188826] r9:00000009 r8:c0874da8 r7:0000001c r6:00000009 r5:c0874da8 r4:c1a29510 # [ 86.196839] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 86.204590] r7:0000001c r6:c1a29510 r5:c1a2954c r4:c6ac2000 # [ 86.210521] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 86.219835] r9:c1ad5454 r8:c15ebbf4 r7:c6ac3f60 r6:0000001f r5:00000000 r4:c6ac2000 # [ 86.227853] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 86.238562] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x50/0x8c) # [ 86.250483] [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 86.260662] r5:c6cfa000 r4:00000031 # [ 86.264508] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 86.272787] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 86.280973] r9:c6ac3f60 r8:c30bfd80 r7:0000001f r6:b6dc2000 r5:c2fcf540 r4:c0c56cd8 # [ 86.288991] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 86.297089] r9:c07e12d4 r8:c6ac3f60 r7:c2815800 r6:b6dc2000 r5:c2fcf540 r4:00000000 # [ 86.305101] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 86.312506] r10:00000004 r9:00000000 r8:00000000 r7:b6dc2000 r6:c6ac2000 r5:c2fcf540 # [ 86.320598] r4:c2fcf540 # [ 86.323403] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 86.330807] r9:c6ac2000 r8:c03002e4 r7:00000004 r6:b6f09e00 r5:0000001f r4:0000001f # [ 86.338822] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 86.346657] Exception stack(0xc6ac3fa8 to 0xc6ac3ff0) # [ 86.351977] 3fa0: 0000001f 0000001f 00000001 b6dc2000 0000001f 00000000 # [ 86.360424] 3fc0: 0000001f 0000001f b6f09e00 00000004 00000001 00000000 00020000 be9bfac4 # [ 86.368868] 3fe0: 00000004 be9bf7f8 b6e73d8f b6dfa7e6 # [ 86.374235] irq event stamp: 0 # [ 86.377595] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 86.383446] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 86.391261] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 86.399096] softirqs last disabled at (0): [<00000000>] 0x0 # [ 86.404960] ---[ end trace 707f2933438bd7f4 ]--- # [ 86.409897] lkdtm: Negative detected: saturated # REFCOUNT_DEC_AND_TEST_NEGATIVE: saw 'Negative detected: saturated': ok ok 48 selftests: lkdtm: REFCOUNT_DEC_<6>[ 86.844133] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE AND_TEST_NEGATIVE.sh # selftests<6>[ 86.851458] lkdtm: attempting bad refcount_sub_and_test() below zero : lkdtm: REFCOUNT_SUB_AND_TEST_NE<4>[ 86.860959] ------------[ cut here ]------------ GATIVE.sh <4>[ 86.868730] WARNING: CPU: 0 PID: 2901 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 <4>[ 86.878449] refcount_t: underflow; use-after-free. <4>[ 86.883511] 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 imx_ldb can_dev etnaviv dw_hdmi_imx dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 <4>[ 86.913013] CPU: 0 PID: 2901 Comm: cat Tainted: G D W 5.10.199-cip39 #1 <4>[ 86.921024] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 86.927817] Backtrace: <4>[ 86.930546] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 86.938385] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d078 <4>[ 86.944317] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 86.951900] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 86.959131] r9:00000009 r8:c0874da8 r7:0000001c r6:00000009 r5:c0874da8 r4:c1a29510 <4>[ 86.967146] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 86.974895] r7:0000001c r6:c1a29510 r5:c1a2954c r4:c5c22000 <4>[ 86.980827] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) <4>[ 86.990142] r9:c1ad5474 r8:c15ebbf4 r7:c5c23f60 r6:0000001f r5:c5c5c000 r4:c5c22000 <4>[ 86.998161] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) <4>[ 87.008870] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x50/0x8c) <4>[ 87.020791] [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 87.030969] r4:00000032 <4>[ 87.033773] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 87.042052] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 87.050240] r9:c5c23f60 r8:c30bfd80 r7:0000001f r6:b6e01000 r5:c694b7c0 r4:c0c56cd8 <4>[ 87.058258] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 87.066356] r9:c07e12d4 r8:c5c23f60 r7:c2815800 r6:b6e01000 r5:c694b7c0 r4:00000000 <4>[ 87.074368] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 87.081771] r10:00000004 r9:00000000 r8:00000000 r7:b6e01000 r6:c5c22000 r5:c694b7c0 <4>[ 87.089864] r4:c694b7c0 <4>[ 87.092668] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 87.100072] r9:c5c22000 r8:c03002e4 r7:00000004 r6:b6f48e00 r5:0000001f r4:0000001f <4>[ 87.108087] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 87.115923] Exception stack(0xc5c23fa8 to 0xc5c23ff0) <4>[ 87.121244] 3fa0: 0000001f 0000001f 00000001 b6e01000 0000001f 00000000 <4>[ 87.129691] 3fc0: 0000001f 0000001f b6f48e00 00000004 00000001 00000000 00020000 be860ac4 <4>[ 87.138133] 3fe0: 00000004 be8607f8 b6eb2d8f b6e397e6 <4>[ 87.143486] irq event stamp: 0 <4>[ 87.146839] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 87.152688] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 87.160483] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 87.168296] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 87.174144] ---[ end trace 707f2933438bd7f5 ]--- <6>[ 87.179056] lkdtm: Negative detected: saturated # [ 86.844133] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 86.851458] lkdtm: attempting bad refcount_sub_and_test() below zero # [ 86.860959] ------------[ cut here ]------------ # [ 86.868730] WARNING: CPU: 0 PID: 2901 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 86.878449] refcount_t: underflow; use-after-free. # [ 86.883511] 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 imx_ldb can_dev etnaviv dw_hdmi_imx dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 # [ 86.913013] CPU: 0 PID: 2901 Comm: cat Tainted: G D W 5.10.199-cip39 #1 # [ 86.921024] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 86.927817] Backtrace: # [ 86.930546] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 86.938385] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d078 # [ 86.944317] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 86.951900] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 86.959131] r9:00000009 r8:c0874da8 r7:0000001c r6:00000009 r5:c0874da8 r4:c1a29510 # [ 86.967146] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 86.974895] r7:0000001c r6:c1a29510 r5:c1a2954c r4:c5c22000 # [ 86.980827] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 86.990142] r9:c1ad5474 r8:c15ebbf4 r7:c5c23f60 r6:0000001f r5:c5c5c000 r4:c5c22000 # [ 86.998161] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 87.008870] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x50/0x8c) # [ 87.020791] [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 87.030969] r4:00000032 # [ 87.033773] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 87.042052] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 87.050240] r9:c5c23f60 r8:c30bfd80 r7:0000001f r6:b6e01000 r5:c694b7c0 r4:c0c56cd8 # [ 87.058258] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 87.066356] r9:c07e12d4 r8:c5c23f60 r7:c2815800 r6:b6e01000 r5:c694b7c0 r4:00000000 # [ 87.074368] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 87.081771] r10:00000004 r9:00000000 r8:00000000 r7:b6e01000 r6:c5c22000 r5:c694b7c0 # [ 87.089864] r4:c694b7c0 # [ 87.092668] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 87.100072] r9:c5c22000 r8:c03002e4 r7:00000004 r6:b6f48e00 r5:0000001f r4:0000001f # [ 87.108087] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 87.115923] Exception stack(0xc5c23fa8 to 0xc5c23ff0) # [ 87.121244] 3fa0: 0000001f 0000001f 00000001 b6e01000 0000001f 00000000 # [ 87.129691] 3fc0: 0000001f 0000001f b6f48e00 00000004 00000001 00000000 00020000 be860ac4 # [ 87.138133] 3fe0: 00000004 be8607f8 b6eb2d8f b6e397e6 # [ 87.143486] irq event stamp: 0 # [ 87.146839] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 87.152688] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 87.160483] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 87.168296] softirqs last disabled at (0): [<00000000>] 0x0 # [ 87.174144] ---[ end trace 707f2933438bd7f5 ]--- # [ 87.179056] lkdtm: Negative detected: saturated # REFCOUNT_SUB_AND_TEST_NEGATIVE: saw 'Negative detected: saturated': ok ok 49 selftests: lkdtm: REFCOUNT_SUB_AND_TEST_NEGATIVE.s<6>[ 87.625780] lkdtm: Performing direct entry REFCOUNT_INC_ZERO h # selftests: lkdtm: REFCOUNT_I<6>[ 87.634401] lkdtm: attempting safe refcount_inc_not_zero() from zero NC_ZERO.sh <6>[ 87.643943] lkdtm: Good: zero detected <6>[ 87.648983] lkdtm: Correctly stayed at zero <6>[ 87.653436] lkdtm: attempting bad refcount_inc() from zero <4>[ 87.659219] ------------[ cut here ]------------ <4>[ 87.664122] WARNING: CPU: 0 PID: 2934 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 <4>[ 87.673022] refcount_t: addition on 0; use-after-free. <4>[ 87.678468] 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 imx_ldb can_dev etnaviv dw_hdmi_imx dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 <4>[ 87.707876] CPU: 0 PID: 2934 Comm: cat Tainted: G D W 5.10.199-cip39 #1 <4>[ 87.715885] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 87.722677] Backtrace: <4>[ 87.725406] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 87.733245] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d078 <4>[ 87.739177] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 87.746761] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 87.753992] r9:00000009 r8:c0874d74 r7:00000019 r6:00000009 r5:c0874d74 r4:c1a29510 <4>[ 87.762006] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 87.769755] r7:00000019 r6:c1a29510 r5:c1a29520 r4:c5f24000 <4>[ 87.775685] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) <4>[ 87.785000] r9:c1ad5494 r8:c15ebbf4 r7:c5f25f60 r6:00000012 r5:00000000 r4:c5f24000 <4>[ 87.793017] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) <4>[ 87.802946] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_ZERO+0xa8/0xcc) <4>[ 87.812957] [] (lkdtm_REFCOUNT_INC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 87.822008] r5:c6b19000 r4:00000033 <4>[ 87.825855] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 87.834134] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 87.842321] r9:c5f25f60 r8:c30bfd80 r7:00000012 r6:b6e2d000 r5:c4739040 r4:c0c56cd8 <4>[ 87.850340] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 87.858439] r9:c07e12d4 r8:c5f25f60 r7:c2815800 r6:b6e2d000 r5:c4739040 r4:00000000 <4>[ 87.866452] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 87.873855] r10:00000004 r9:00000000 r8:00000000 r7:b6e2d000 r6:c5f24000 r5:c4739040 <4>[ 87.881948] r4:c4739040 <4>[ 87.884752] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 87.892157] r9:c5f24000 r8:c03002e4 r7:00000004 r6:b6f74e00 r5:00000012 r4:00000012 <4>[ 87.900171] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 87.908006] Exception stack(0xc5f25fa8 to 0xc5f25ff0) <4>[ 87.913327] 5fa0: 00000012 00000012 00000001 b6e2d000 00000012 00000000 <4>[ 87.921773] 5fc0: 00000012 00000012 b6f74e00 00000004 00000001 00000000 00020000 bee8dac4 <4>[ 87.930215] 5fe0: 00000004 bee8d7f8 b6eded8f b6e657e6 <4>[ 87.935567] irq event stamp: 0 <4>[ 87.938899] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 87.944749] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 87.952546] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 87.960351] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 87.966221] ---[ end trace 707f2933438bd7f6 ]--- <6>[ 87.971111] lkdtm: Zero detected: saturated # [ 87.625780] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 87.634401] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 87.643943] lkdtm: Good: zero detected # [ 87.648983] lkdtm: Correctly stayed at zero # [ 87.653436] lkdtm: attempting bad refcount_inc() from zero # [ 87.659219] ------------[ cut here ]------------ # [ 87.664122] WARNING: CPU: 0 PID: 2934 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 # [ 87.673022] refcount_t: addition on 0; use-after-free. # [ 87.678468] 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 imx_ldb can_dev etnaviv dw_hdmi_imx dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 # [ 87.707876] CPU: 0 PID: 2934 Comm: cat Tainted: G D W 5.10.199-cip39 #1 # [ 87.715885] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 87.722677] Backtrace: # [ 87.725406] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 87.733245] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d078 # [ 87.739177] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 87.746761] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 87.753992] r9:00000009 r8:c0874d74 r7:00000019 r6:00000009 r5:c0874d74 r4:c1a29510 # [ 87.762006] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 87.769755] r7:00000019 r6:c1a29510 r5:c1a29520 r4:c5f24000 # [ 87.775685] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) # [ 87.785000] r9:c1ad5494 r8:c15ebbf4 r7:c5f25f60 r6:00000012 r5:00000000 r4:c5f24000 # [ 87.793017] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) # [ 87.802946] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_ZERO+0xa8/0xcc) # [ 87.812957] [] (lkdtm_REFCOUNT_INC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 87.822008] r5:c6b19000 r4:00000033 # [ 87.825855] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 87.834134] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 87.842321] r9:c5f25f60 r8:c30bfd80 r7:00000012 r6:b6e2d000 r5:c4739040 r4:c0c56cd8 # [ 87.850340] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 87.858439] r9:c07e12d4 r8:c5f25f60 r7:c2815800 r6:b6e2d000 r5:c4739040 r4:00000000 # [ 87.866452] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 87.873855] r10:00000004 r9:00000000 r8:00000000 r7:b6e2d000 r6:c5f24000 r5:c4739040 # [ 87.881948] r4:c4739040 # [ 87.884752] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 87.892157] r9:c5f24000 r8:c03002e4 r7:00000004 r6:b6f74e00 r5:00000012 r4:00000012 # [ 87.900171] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 87.908006] Exception stack(0xc5f25fa8 to 0xc5f25ff0) # [ 87.913327] 5fa0: 00000012 00000012 00000001 b6e2d000 00000012 00000000 # [ 87.921773] 5fc0: 00000012 00000012 b6f74e00 00000004 00000001 00000000 00020000 bee8dac4 # [ 87.930215] 5fe0: 00000004 bee8d7f8 b6eded8f b6e657e6 # [ 87.935567] irq event stamp: 0 # [ 87.938899] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 87.944749] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 87.952546] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 87.960351] softirqs last disabled at (0): [<00000000>] 0x0 # [ 87.966221] ---[ end trace 707f2933438bd7f6 ]--- # [ 87.971111] lkdtm: Zero detected: saturated # REFCOUNT_INC_ZERO: missing 'call trace:': [FAIL] not ok 50 selftests: lkdtm: REFCOUNT_INC_ZERO.sh # exit=1 <6>[ 88.430479] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # selftests: lkdtm: REFCOUNT_ADD_<6>[ 88.436753] lkdtm: attempting safe refcount_add_not_zero() from zero ZERO.sh <6>[ 88.446284] lkdtm: Good: zero detected <6>[ 88.451043] lkdtm: Correctly stayed at zero <6>[ 88.455546] lkdtm: attempting bad refcount_add() from zero <4>[ 88.461307] ------------[ cut here ]------------ <4>[ 88.466319] WARNING: CPU: 0 PID: 2969 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 <4>[ 88.475241] refcount_t: addition on 0; use-after-free. <4>[ 88.480651] 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 imx_ldb can_dev etnaviv dw_hdmi_imx dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 <4>[ 88.510069] CPU: 0 PID: 2969 Comm: cat Tainted: G D W 5.10.199-cip39 #1 <4>[ 88.518079] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 88.524871] Backtrace: <4>[ 88.527600] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 88.535440] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d078 <4>[ 88.541371] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 88.548957] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 88.556188] r9:00000009 r8:c0874d74 r7:00000019 r6:00000009 r5:c0874d74 r4:c1a29510 <4>[ 88.564200] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 88.571949] r7:00000019 r6:c1a29510 r5:c1a29520 r4:c69ac000 <4>[ 88.577880] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) <4>[ 88.587194] r9:c1ad54a8 r8:c15ebbf4 r7:c69adf60 r6:00000012 r5:00000000 r4:c69ac000 <4>[ 88.595212] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) <4>[ 88.605141] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_ZERO+0xa8/0xcc) <4>[ 88.615151] [] (lkdtm_REFCOUNT_ADD_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 88.624203] r5:c6b19000 r4:00000034 <4>[ 88.628050] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 88.636330] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 88.644515] r9:c69adf60 r8:c30bfd80 r7:00000012 r6:b6e3a000 r5:c5aa4c80 r4:c0c56cd8 <4>[ 88.652535] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 88.660636] r9:c07e12d4 r8:c69adf60 r7:c2815800 r6:b6e3a000 r5:c5aa4c80 r4:00000000 <4>[ 88.668647] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 88.676051] r10:00000004 r9:00000000 r8:00000000 r7:b6e3a000 r6:c69ac000 r5:c5aa4c80 <4>[ 88.684144] r4:c5aa4c80 <4>[ 88.686948] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 88.694351] r9:c69ac000 r8:c03002e4 r7:00000004 r6:b6f81e00 r5:00000012 r4:00000012 <4>[ 88.702366] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 88.710202] Exception stack(0xc69adfa8 to 0xc69adff0) <4>[ 88.715522] dfa0: 00000012 00000012 00000001 b6e3a000 00000012 00000000 <4>[ 88.723968] dfc0: 00000012 00000012 b6f81e00 00000004 00000001 00000000 00020000 be8ddac4 <4>[ 88.732411] dfe0: 00000004 be8dd7f8 b6eebd8f b6e727e6 <4>[ 88.737761] irq event stamp: 0 <4>[ 88.741092] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 88.746965] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 88.754727] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 88.762529] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 88.768401] ---[ end trace 707f2933438bd7f7 ]--- <6>[ 88.773292] lkdtm: Zero detected: saturated # [ 88.430479] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 88.436753] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 88.446284] lkdtm: Good: zero detected # [ 88.451043] lkdtm: Correctly stayed at zero # [ 88.455546] lkdtm: attempting bad refcount_add() from zero # [ 88.461307] ------------[ cut here ]------------ # [ 88.466319] WARNING: CPU: 0 PID: 2969 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 # [ 88.475241] refcount_t: addition on 0; use-after-free. # [ 88.480651] 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 imx_ldb can_dev etnaviv dw_hdmi_imx dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 # [ 88.510069] CPU: 0 PID: 2969 Comm: cat Tainted: G D W 5.10.199-cip39 #1 # [ 88.518079] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 88.524871] Backtrace: # [ 88.527600] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 88.535440] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d078 # [ 88.541371] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 88.548957] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 88.556188] r9:00000009 r8:c0874d74 r7:00000019 r6:00000009 r5:c0874d74 r4:c1a29510 # [ 88.564200] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 88.571949] r7:00000019 r6:c1a29510 r5:c1a29520 r4:c69ac000 # [ 88.577880] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) # [ 88.587194] r9:c1ad54a8 r8:c15ebbf4 r7:c69adf60 r6:00000012 r5:00000000 r4:c69ac000 # [ 88.595212] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) # [ 88.605141] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_ZERO+0xa8/0xcc) # [ 88.615151] [] (lkdtm_REFCOUNT_ADD_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 88.624203] r5:c6b19000 r4:00000034 # [ 88.628050] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 88.636330] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 88.644515] r9:c69adf60 r8:c30bfd80 r7:00000012 r6:b6e3a000 r5:c5aa4c80 r4:c0c56cd8 # [ 88.652535] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 88.660636] r9:c07e12d4 r8:c69adf60 r7:c2815800 r6:b6e3a000 r5:c5aa4c80 r4:00000000 # [ 88.668647] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 88.676051] r10:00000004 r9:00000000 r8:00000000 r7:b6e3a000 r6:c69ac000 r5:c5aa4c80 # [ 88.684144] r4:c5aa4c80 # [ 88.686948] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 88.694351] r9:c69ac000 r8:c03002e4 r7:00000004 r6:b6f81e00 r5:00000012 r4:00000012 # [ 88.702366] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 88.710202] Exception stack(0xc69adfa8 to 0xc69adff0) # [ 88.715522] dfa0: 00000012 00000012 00000001 b6e3a000 00000012 00000000 # [ 88.723968] dfc0: 00000012 00000012 b6f81e00 00000004 00000001 00000000 00020000 be8ddac4 # [ 88.732411] dfe0: 00000004 be8dd7f8 b6eebd8f b6e727e6 # [ 88.737761] irq event stamp: 0 # [ 88.741092] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 88.746965] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 88.754727] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 88.762529] softirqs last disabled at (0): [<00000000>] 0x0 # [ 88.768401] ---[ end trace 707f2933438bd7f7 ]--- # [ 88.773292] 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>[ 89.235591] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED <6>[ 89.241966] lkdtm: attempting bad refcount_inc() from saturated <4>[ 89.248288] ------------[ cut here ]------------ <4>[ 89.253230] WARNING: CPU: 3 PID: 3007 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 <4>[ 89.261999] refcount_t: saturated; leaking memory. <4>[ 89.267159] 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 imx_ldb can_dev etnaviv dw_hdmi_imx dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 <4>[ 89.296915] CPU: 3 PID: 3007 Comm: cat Tainted: G D W 5.10.199-cip39 #1 <4>[ 89.304924] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 89.311716] Backtrace: <4>[ 89.314445] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 89.322285] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d078 <4>[ 89.328218] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 89.335802] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 89.343033] r9:00000009 r8:c0874d40 r7:00000016 r6:00000009 r5:c0874d40 r4:c1a29510 <4>[ 89.351047] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 89.358799] r7:00000016 r6:c1a29510 r5:c1a294e8 r4:c681c000 <4>[ 89.364729] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) <4>[ 89.373955] r9:c1ad54bc r8:c15ebbf4 r7:c681df60 r6:00000017 r5:c5c45000 r4:c681c000 <4>[ 89.381973] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) <4>[ 89.391901] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_SATURATED+0x4c/0x70) <4>[ 89.402347] [] (lkdtm_REFCOUNT_INC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 89.411830] r4:00000035 <4>[ 89.414634] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 89.422913] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 89.431099] r9:c681df60 r8:c30bfd80 r7:00000017 r6:b6e39000 r5:c694fe00 r4:c0c56cd8 <4>[ 89.439117] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 89.447217] r9:c07e12d4 r8:c681df60 r7:c2815800 r6:b6e39000 r5:c694fe00 r4:00000000 <4>[ 89.455230] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 89.462634] r10:00000004 r9:00000000 r8:00000000 r7:b6e39000 r6:c681c000 r5:c694fe00 <4>[ 89.470728] r4:c694fe00 <4>[ 89.473531] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 89.480934] r9:c681c000 r8:c03002e4 r7:00000004 r6:b6f80e00 r5:00000017 r4:00000017 <4>[ 89.488949] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 89.496783] Exception stack(0xc681dfa8 to 0xc681dff0) <4>[ 89.502104] dfa0: 00000017 00000017 00000001 b6e39000 00000017 00000000 <4>[ 89.510552] dfc0: 00000017 00000017 b6f80e00 00000004 00000001 00000000 00020000 beb46ac4 <4>[ 89.518994] dfe0: 00000004 beb467f8 b6eead8f b6e717e6 <4>[ 89.524373] irq event stamp: 0 <4>[ 89.527727] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 89.533578] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 89.541381] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 89.549183] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 89.555057] ---[ end trace 707f2933438bd7f8 ]--- <6>[ 89.559988] lkdtm: Saturation detected: still saturated # [ 89.235591] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 89.241966] lkdtm: attempting bad refcount_inc() from saturated # [ 89.248288] ------------[ cut here ]------------ # [ 89.253230] WARNING: CPU: 3 PID: 3007 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 89.261999] refcount_t: saturated; leaking memory. # [ 89.267159] 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 imx_ldb can_dev etnaviv dw_hdmi_imx dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 # [ 89.296915] CPU: 3 PID: 3007 Comm: cat Tainted: G D W 5.10.199-cip39 #1 # [ 89.304924] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 89.311716] Backtrace: # [ 89.314445] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 89.322285] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d078 # [ 89.328218] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 89.335802] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 89.343033] r9:00000009 r8:c0874d40 r7:00000016 r6:00000009 r5:c0874d40 r4:c1a29510 # [ 89.351047] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 89.358799] r7:00000016 r6:c1a29510 r5:c1a294e8 r4:c681c000 # [ 89.364729] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 89.373955] r9:c1ad54bc r8:c15ebbf4 r7:c681df60 r6:00000017 r5:c5c45000 r4:c681c000 # [ 89.381973] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 89.391901] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_SATURATED+0x4c/0x70) # [ 89.402347] [] (lkdtm_REFCOUNT_INC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 89.411830] r4:00000035 # [ 89.414634] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 89.422913] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 89.431099] r9:c681df60 r8:c30bfd80 r7:00000017 r6:b6e39000 r5:c694fe00 r4:c0c56cd8 # [ 89.439117] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 89.447217] r9:c07e12d4 r8:c681df60 r7:c2815800 r6:b6e39000 r5:c694fe00 r4:00000000 # [ 89.455230] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 89.462634] r10:00000004 r9:00000000 r8:00000000 r7:b6e39000 r6:c681c000 r5:c694fe00 # [ 89.470728] r4:c694fe00 # [ 89.473531] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 89.480934] r9:c681c000 r8:c03002e4 r7:00000004 r6:b6f80e00 r5:00000017 r4:00000017 # [ 89.488949] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 89.496783] Exception stack(0xc681dfa8 to 0xc681dff0) # [ 89.502104] dfa0: 00000017 00000017 00000001 b6e39000 00000017 00000000 # [ 89.510552] dfc0: 00000017 00000017 b6f80e00 00000004 00000001 00000000 00020000 beb46ac4 # [ 89.518994] dfe0: 00000004 beb467f8 b6eead8f b6e717e6 # [ 89.524373] irq event stamp: 0 # [ 89.527727] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 89.533578] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 89.541381] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 89.549183] softirqs last disabled at (0): [<00000000>] 0x0 # [ 89.555057] ---[ end trace 707f2933438bd7f8 ]--- # [ 89.559988] 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>[ 90.023960] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED <6>[ 90.030489] lkdtm: attempting bad refcount_dec() from saturated <4>[ 90.036826] ------------[ cut here ]------------ <4>[ 90.041773] WARNING: CPU: 1 PID: 3043 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 <4>[ 90.050550] refcount_t: decrement hit 0; leaking memory. <4>[ 90.056166] 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 imx_ldb can_dev etnaviv dw_hdmi_imx dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 <4>[ 90.085585] CPU: 1 PID: 3043 Comm: cat Tainted: G D W 5.10.199-cip39 #1 <4>[ 90.093595] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 90.100388] Backtrace: <4>[ 90.103117] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 90.110955] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d078 <4>[ 90.116886] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 90.124473] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 90.131703] r9:00000009 r8:c0874cd8 r7:0000001f r6:00000009 r5:c0874cd8 r4:c1a29510 <4>[ 90.139715] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 90.147465] r7:0000001f r6:c1a29510 r5:c1a29574 r4:c5bec000 <4>[ 90.153396] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) <4>[ 90.162622] r9:c1ad54d4 r8:c15ebbf4 r7:c5bedf60 r6:00000017 r5:c6ce7000 r4:c5bec000 <4>[ 90.170639] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) <4>[ 90.180565] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_SATURATED+0x48/0x6c) <4>[ 90.191012] [] (lkdtm_REFCOUNT_DEC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 90.200495] r4:00000036 <4>[ 90.203299] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 90.211578] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 90.219763] r9:c5bedf60 r8:c30bfd80 r7:00000017 r6:b6e59000 r5:c5b7e140 r4:c0c56cd8 <4>[ 90.227780] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 90.235881] r9:c07e12d4 r8:c5bedf60 r7:c2815800 r6:b6e59000 r5:c5b7e140 r4:00000000 <4>[ 90.243893] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 90.251297] r10:00000004 r9:00000000 r8:00000000 r7:b6e59000 r6:c5bec000 r5:c5b7e140 <4>[ 90.259391] r4:c5b7e140 <4>[ 90.262195] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 90.269600] r9:c5bec000 r8:c03002e4 r7:00000004 r6:b6fa0e00 r5:00000017 r4:00000017 <4>[ 90.277614] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 90.285448] Exception stack(0xc5bedfa8 to 0xc5bedff0) <4>[ 90.290770] dfa0: 00000017 00000017 00000001 b6e59000 00000017 00000000 <4>[ 90.299217] dfc0: 00000017 00000017 b6fa0e00 00000004 00000001 00000000 00020000 be853ac4 <4>[ 90.307661] dfe0: 00000004 be8537f8 b6f0ad8f b6e917e6 <4>[ 90.313072] irq event stamp: 0 <4>[ 90.316432] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 90.322283] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 90.330099] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 90.337918] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 90.343772] ---[ end trace 707f2933438bd7f9 ]--- <6>[ 90.348712] lkdtm: Saturation detected: still saturated # [ 90.023960] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 90.030489] lkdtm: attempting bad refcount_dec() from saturated # [ 90.036826] ------------[ cut here ]------------ # [ 90.041773] WARNING: CPU: 1 PID: 3043 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 # [ 90.050550] refcount_t: decrement hit 0; leaking memory. # [ 90.056166] 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 imx_ldb can_dev etnaviv dw_hdmi_imx dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 # [ 90.085585] CPU: 1 PID: 3043 Comm: cat Tainted: G D W 5.10.199-cip39 #1 # [ 90.093595] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 90.100388] Backtrace: # [ 90.103117] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 90.110955] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d078 # [ 90.116886] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 90.124473] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 90.131703] r9:00000009 r8:c0874cd8 r7:0000001f r6:00000009 r5:c0874cd8 r4:c1a29510 # [ 90.139715] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 90.147465] r7:0000001f r6:c1a29510 r5:c1a29574 r4:c5bec000 # [ 90.153396] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) # [ 90.162622] r9:c1ad54d4 r8:c15ebbf4 r7:c5bedf60 r6:00000017 r5:c6ce7000 r4:c5bec000 # [ 90.170639] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) # [ 90.180565] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_SATURATED+0x48/0x6c) # [ 90.191012] [] (lkdtm_REFCOUNT_DEC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 90.200495] r4:00000036 # [ 90.203299] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 90.211578] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 90.219763] r9:c5bedf60 r8:c30bfd80 r7:00000017 r6:b6e59000 r5:c5b7e140 r4:c0c56cd8 # [ 90.227780] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 90.235881] r9:c07e12d4 r8:c5bedf60 r7:c2815800 r6:b6e59000 r5:c5b7e140 r4:00000000 # [ 90.243893] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 90.251297] r10:00000004 r9:00000000 r8:00000000 r7:b6e59000 r6:c5bec000 r5:c5b7e140 # [ 90.259391] r4:c5b7e140 # [ 90.262195] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 90.269600] r9:c5bec000 r8:c03002e4 r7:00000004 r6:b6fa0e00 r5:00000017 r4:00000017 # [ 90.277614] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 90.285448] Exception stack(0xc5bedfa8 to 0xc5bedff0) # [ 90.290770] dfa0: 00000017 00000017 00000001 b6e59000 00000017 00000000 # [ 90.299217] dfc0: 00000017 00000017 b6fa0e00 00000004 00000001 00000000 00020000 be853ac4 # [ 90.307661] dfe0: 00000004 be8537f8 b6f0ad8f b6e917e6 # [ 90.313072] irq event stamp: 0 # [ 90.316432] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 90.322283] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 90.330099] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 90.337918] softirqs last disabled at (0): [<00000000>] 0x0 # [ 90.343772] ---[ end trace 707f2933438bd7f9 ]--- # [ 90.348712] 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>[ 90.814775] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED <6>[ 90.821257] lkdtm: attempting bad refcount_dec() from saturated <4>[ 90.827578] ------------[ cut here ]------------ <4>[ 90.833549] WARNING: CPU: 0 PID: 3079 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 <4>[ 90.842307] refcount_t: saturated; leaking memory. <4>[ 90.847399] 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 imx_ldb can_dev etnaviv dw_hdmi_imx dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 <4>[ 90.876808] CPU: 0 PID: 3079 Comm: cat Tainted: G D W 5.10.199-cip39 #1 <4>[ 90.884818] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 90.891610] Backtrace: <4>[ 90.894340] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 90.902179] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d078 <4>[ 90.908110] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 90.915695] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 90.922925] r9:00000009 r8:c0874d40 r7:00000016 r6:00000009 r5:c0874d40 r4:c1a29510 <4>[ 90.930939] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 90.938689] r7:00000016 r6:c1a29510 r5:c1a294e8 r4:c5aa0000 <4>[ 90.944620] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) <4>[ 90.953848] r9:c1ad54ec r8:c15ebbf4 r7:c5aa1f60 r6:00000017 r5:c6b19000 r4:c5aa0000 <4>[ 90.961864] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) <4>[ 90.971794] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_SATURATED+0x4c/0x70) <4>[ 90.982239] [] (lkdtm_REFCOUNT_ADD_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 90.991722] r4:00000037 <4>[ 90.994526] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 91.002803] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 91.010991] r9:c5aa1f60 r8:c30bfd80 r7:00000017 r6:b6e9d000 r5:c5a9d040 r4:c0c56cd8 <4>[ 91.019009] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 91.027107] r9:c07e12d4 r8:c5aa1f60 r7:c2815800 r6:b6e9d000 r5:c5a9d040 r4:00000000 <4>[ 91.035119] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 91.042524] r10:00000004 r9:00000000 r8:00000000 r7:b6e9d000 r6:c5aa0000 r5:c5a9d040 <4>[ 91.050618] r4:c5a9d040 <4>[ 91.053423] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 91.060827] r9:c5aa0000 r8:c03002e4 r7:00000004 r6:b6fe4e00 r5:00000017 r4:00000017 <4>[ 91.068842] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 91.076677] Exception stack(0xc5aa1fa8 to 0xc5aa1ff0) <4>[ 91.081997] 1fa0: 00000017 00000017 00000001 b6e9d000 00000017 00000000 <4>[ 91.090444] 1fc0: 00000017 00000017 b6fe4e00 00000004 00000001 00000000 00020000 bea8aac4 <4>[ 91.098886] 1fe0: 00000004 bea8a7f8 b6f4ed8f b6ed57e6 <4>[ 91.104231] irq event stamp: 0 <4>[ 91.107583] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 91.113431] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 91.121211] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 91.128991] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 91.134835] ---[ end trace 707f2933438bd7fa ]--- <6>[ 91.139744] lkdtm: Saturation detected: still saturated # [ 0.000000] CPU: ARMv7 Processor [412fc09a] revision 10 (ARMv7), cr=10c5387d # [ 0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache # [ 90.814775] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 90.821257] lkdtm: attempting bad refcount_dec() from saturated # [ 90.827578] ------------[ cut here ]------------ # [ 90.833549] WARNING: CPU: 0 PID: 3079 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 90.842307] refcount_t: saturated; leaking memory. # [ 90.847399] 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 imx_ldb can_dev etnaviv dw_hdmi_imx dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 # [ 90.876808] CPU: 0 PID: 3079 Comm: cat Tainted: G D W 5.10.199-cip39 #1 # [ 90.884818] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 90.891610] Backtrace: # [ 90.894340] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 90.902179] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d078 # [ 90.908110] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 90.915695] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 90.922925] r9:00000009 r8:c0874d40 r7:00000016 r6:00000009 r5:c0874d40 r4:c1a29510 # [ 90.930939] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 90.938689] r7:00000016 r6:c1a29510 r5:c1a294e8 r4:c5aa0000 # [ 90.944620] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 90.953848] r9:c1ad54ec r8:c15ebbf4 r7:c5aa1f60 r6:00000017 r5:c6b19000 r4:c5aa0000 # [ 90.961864] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 90.971794] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_SATURATED+0x4c/0x70) # [ 90.982239] [] (lkdtm_REFCOUNT_ADD_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 90.991722] r4:00000037 # [ 90.994526] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 91.002803] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 91.010991] r9:c5aa1f60 r8:c30bfd80 r7:00000017 r6:b6e9d000 r5:c5a9d040 r4:c0c56cd8 # [ 91.019009] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 91.027107] r9:c07e12d4 r8:c5aa1f60 r7:c2815800 r6:b6e9d000 r5:c5a9d040 r4:00000000 # [ 91.035119] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 91.042524] r10:00000004 r9:00000000 r8:00000000 r7:b6e9d000 r6:c5aa0000 r5:c5a9d040 # [ 91.050618] r4:c5a9d040 # [ 91.053423] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 91.060827] r9:c5aa0000 r8:c03002e4 r7:00000004 r6:b6fe4e00 r5:00000017 r4:00000017 # [ 91.068842] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 91.076677] Exception stack(0xc5aa1fa8 to 0xc5aa1ff0) # [ 91.081997] 1fa0: 00000017 00000017 00000001 b6e9d000 00000017 00000000 # [ 91.090444] 1fc0: 00000017 00000017 b6fe4e00 00000004 00000001 00000000 00020000 bea8aac4 # [ 91.098886] 1fe0: 00000004 bea8a7f8 b6f4ed8f b6ed57e6 # [ 91.104231] irq event stamp: 0 # [ 91.107583] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 91.113431] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 91.121211] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 91.128991] softirqs last disabled at (0): [<00000000>] 0x0 # [ 91.134835] ---[ end trace 707f2933438bd7fa ]--- # [ 91.139744] lkdtm: Saturation detected: still saturated # REFCOUNT_ADD_SATURATED: saw 'Saturation detected: still saturated': ok ok 54 selftests: lkdtm: REFCOUNT_ADD_SATURATED.sh # sel<6>[ 91.604979] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED ftests: lkdtm: REFCOUNT_INC_NOT_Z<6>[ 91.612459] lkdtm: attempting bad refcount_inc_not_zero() from saturated ERO_SATURATED.sh <4>[ 91.622310] ------------[ cut here ]------------ <4>[ 91.628785] WARNING: CPU: 3 PID: 3112 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 <4>[ 91.637545] refcount_t: saturated; leaking memory. <4>[ 91.642606] 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 imx_ldb can_dev etnaviv dw_hdmi_imx dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 <4>[ 91.672044] CPU: 3 PID: 3112 Comm: cat Tainted: G D W 5.10.199-cip39 #1 <4>[ 91.680057] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 91.686850] Backtrace: <4>[ 91.689580] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 91.697421] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d078 <4>[ 91.703353] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 91.710938] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 91.718172] r9:00000009 r8:c0874d0c r7:00000013 r6:00000009 r5:c0874d0c r4:c1a29510 <4>[ 91.726187] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 91.733936] r7:00000013 r6:c1a29510 r5:c1a294e8 r4:c6ac2000 <4>[ 91.739867] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) <4>[ 91.749095] r9:c1ad5504 r8:c15ebbf4 r7:c6ac3f60 r6:00000020 r5:c6c35000 r4:c0000000 <4>[ 91.757114] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) <4>[ 91.767821] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x50/0x88) <4>[ 91.779823] r5:c6c35000 r4:c6ac2000 <4>[ 91.783674] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 91.793938] r4:00000038 <4>[ 91.796742] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 91.805020] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 91.813204] r9:c6ac3f60 r8:c30bfd80 r7:00000020 r6:b6e0b000 r5:c5b7f7c0 r4:c0c56cd8 <4>[ 91.821224] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 91.829322] r9:c07e12d4 r8:c6ac3f60 r7:c2815800 r6:b6e0b000 r5:c5b7f7c0 r4:00000000 <4>[ 91.837336] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 91.844741] r10:00000004 r9:00000000 r8:00000000 r7:b6e0b000 r6:c6ac2000 r5:c5b7f7c0 <4>[ 91.852834] r4:c5b7f7c0 <4>[ 91.855638] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 91.863043] r9:c6ac2000 r8:c03002e4 r7:00000004 r6:b6f52e00 r5:00000020 r4:00000020 <4>[ 91.871060] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 91.878895] Exception stack(0xc6ac3fa8 to 0xc6ac3ff0) <4>[ 91.884218] 3fa0: 00000020 00000020 00000001 b6e0b000 00000020 00000000 <4>[ 91.892664] 3fc0: 00000020 00000020 b6f52e00 00000004 00000001 00000000 00020000 be9acac4 <4>[ 91.901107] 3fe0: 00000004 be9ac7f8 b6ebcd8f b6e437e6 <4>[ 91.906468] irq event stamp: 0 <4>[ 91.909800] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 91.915673] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 91.923441] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 91.931240] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 91.937135] ---[ end trace 707f2933438bd7fb ]--- <6>[ 91.942032] lkdtm: Saturation detected: still saturated # [ 91.604979] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 91.612459] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 91.622310] ------------[ cut here ]------------ # [ 91.628785] WARNING: CPU: 3 PID: 3112 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 91.637545] refcount_t: saturated; leaking memory. # [ 91.642606] 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 imx_ldb can_dev etnaviv dw_hdmi_imx dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 # [ 91.672044] CPU: 3 PID: 3112 Comm: cat Tainted: G D W 5.10.199-cip39 #1 # [ 91.680057] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 91.686850] Backtrace: # [ 91.689580] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 91.697421] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d078 # [ 91.703353] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 91.710938] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 91.718172] r9:00000009 r8:c0874d0c r7:00000013 r6:00000009 r5:c0874d0c r4:c1a29510 # [ 91.726187] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 91.733936] r7:00000013 r6:c1a29510 r5:c1a294e8 r4:c6ac2000 # [ 91.739867] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 91.749095] r9:c1ad5504 r8:c15ebbf4 r7:c6ac3f60 r6:00000020 r5:c6c35000 r4:c0000000 # [ 91.757114] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 91.767821] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x50/0x88) # [ 91.779823] r5:c6c35000 r4:c6ac2000 # [ 91.783674] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 91.793938] r4:00000038 # [ 91.796742] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 91.805020] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 91.813204] r9:c6ac3f60 r8:c30bfd80 r7:00000020 r6:b6e0b000 r5:c5b7f7c0 r4:c0c56cd8 # [ 91.821224] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 91.829322] r9:c07e12d4 r8:c6ac3f60 r7:c2815800 r6:b6e0b000 r5:c5b7f7c0 r4:00000000 # [ 91.837336] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 91.844741] r10:00000004 r9:00000000 r8:00000000 r7:b6e0b000 r6:c6ac2000 r5:c5b7f7c0 # [ 91.852834] r4:c5b7f7c0 # [ 91.855638] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 91.863043] r9:c6ac2000 r8:c03002e4 r7:00000004 r6:b6f52e00 r5:00000020 r4:00000020 # [ 91.871060] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 91.878895] Exception stack(0xc6ac3fa8 to 0xc6ac3ff0) # [ 91.884218] 3fa0: 00000020 00000020 00000001 b6e0b000 00000020 00000000 # [ 91.892664] 3fc0: 00000020 00000020 b6f52e00 00000004 00000001 00000000 00020000 be9acac4 # [ 91.901107] 3fe0: 00000004 be9ac7f8 b6ebcd8f b6e437e6 # [ 91.906468] irq event stamp: 0 # [ 91.909800] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 91.915673] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 91.923441] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 91.931240] softirqs last disabled at (0): [<00000000>] 0x0 # [ 91.937135] ---[ end trace 707f2933438bd7fb ]--- # [ 91.942032] lkdtm: Saturation detected: still saturated # REFCOUNT_INC_NOT_ZERO_SATURATED: missing 'call trace:': [FAIL] not ok 55 selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_SATURATED.sh # exit=1 # selftests: lkdtm: REFCOUNT_ADD_NOT_<6>[ 92.404127] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED ZERO_SATURATED.sh <6>[ 92.411588] lkdtm: attempting bad refcount_add_not_zero() from saturated <4>[ 92.420122] ------------[ cut here ]------------ <4>[ 92.425028] WARNING: CPU: 2 PID: 3147 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 <4>[ 92.433765] refcount_t: saturated; leaking memory. <4>[ 92.438853] 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 imx_ldb can_dev etnaviv dw_hdmi_imx dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 <4>[ 92.468268] CPU: 2 PID: 3147 Comm: cat Tainted: G D W 5.10.199-cip39 #1 <4>[ 92.476278] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 92.483070] Backtrace: <4>[ 92.485800] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 92.493639] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d078 <4>[ 92.499572] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 92.507157] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 92.514389] r9:00000009 r8:c0874d0c r7:00000013 r6:00000009 r5:c0874d0c r4:c1a29510 <4>[ 92.522405] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 92.530157] r7:00000013 r6:c1a29510 r5:c1a294e8 r4:c69ac000 <4>[ 92.536088] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) <4>[ 92.545315] r9:c1ad5524 r8:c15ebbf4 r7:c69adf60 r6:00000020 r5:c5c4f000 r4:c0000000 <4>[ 92.553332] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) <4>[ 92.564040] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x50/0x88) <4>[ 92.576041] r5:c5c4f000 r4:c69ac000 <4>[ 92.579891] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 92.590155] r4:00000039 <4>[ 92.592959] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 92.601239] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 92.609425] r9:c69adf60 r8:c30bfd80 r7:00000020 r6:b6e5f000 r5:c46837c0 r4:c0c56cd8 <4>[ 92.617444] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 92.625542] r9:c07e12d4 r8:c69adf60 r7:c2815800 r6:b6e5f000 r5:c46837c0 r4:00000000 <4>[ 92.633554] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 92.640959] r10:00000004 r9:00000000 r8:00000000 r7:b6e5f000 r6:c69ac000 r5:c46837c0 <4>[ 92.649053] r4:c46837c0 <4>[ 92.651858] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 92.659263] r9:c69ac000 r8:c03002e4 r7:00000004 r6:b6fa6e00 r5:00000020 r4:00000020 <4>[ 92.667277] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 92.675113] Exception stack(0xc69adfa8 to 0xc69adff0) <4>[ 92.680435] dfa0: 00000020 00000020 00000001 b6e5f000 00000020 00000000 <4>[ 92.688882] dfc0: 00000020 00000020 b6fa6e00 00000004 00000001 00000000 00020000 bea98ac4 <4>[ 92.697327] dfe0: 00000004 bea987f8 b6f10d8f b6e977e6 <4>[ 92.702681] irq event stamp: 0 <4>[ 92.706040] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 92.711890] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 92.719688] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 92.727504] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 92.733352] ---[ end trace 707f2933438bd7fc ]--- <6>[ 92.738298] lkdtm: Saturation detected: still saturated # [ 92.404127] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 92.411588] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 92.420122] ------------[ cut here ]------------ # [ 92.425028] WARNING: CPU: 2 PID: 3147 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 92.433765] refcount_t: saturated; leaking memory. # [ 92.438853] 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 imx_ldb can_dev etnaviv dw_hdmi_imx dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 # [ 92.468268] CPU: 2 PID: 3147 Comm: cat Tainted: G D W 5.10.199-cip39 #1 # [ 92.476278] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 92.483070] Backtrace: # [ 92.485800] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 92.493639] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d078 # [ 92.499572] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 92.507157] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 92.514389] r9:00000009 r8:c0874d0c r7:00000013 r6:00000009 r5:c0874d0c r4:c1a29510 # [ 92.522405] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 92.530157] r7:00000013 r6:c1a29510 r5:c1a294e8 r4:c69ac000 # [ 92.536088] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 92.545315] r9:c1ad5524 r8:c15ebbf4 r7:c69adf60 r6:00000020 r5:c5c4f000 r4:c0000000 # [ 92.553332] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 92.564040] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x50/0x88) # [ 92.576041] r5:c5c4f000 r4:c69ac000 # [ 92.579891] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 92.590155] r4:00000039 # [ 92.592959] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 92.601239] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 92.609425] r9:c69adf60 r8:c30bfd80 r7:00000020 r6:b6e5f000 r5:c46837c0 r4:c0c56cd8 # [ 92.617444] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 92.625542] r9:c07e12d4 r8:c69adf60 r7:c2815800 r6:b6e5f000 r5:c46837c0 r4:00000000 # [ 92.633554] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 92.640959] r10:00000004 r9:00000000 r8:00000000 r7:b6e5f000 r6:c69ac000 r5:c46837c0 # [ 92.649053] r4:c46837c0 # [ 92.651858] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 92.659263] r9:c69ac000 r8:c03002e4 r7:00000004 r6:b6fa6e00 r5:00000020 r4:00000020 # [ 92.667277] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 92.675113] Exception stack(0xc69adfa8 to 0xc69adff0) # [ 92.680435] dfa0: 00000020 00000020 00000001 b6e5f000 00000020 00000000 # [ 92.688882] dfc0: 00000020 00000020 b6fa6e00 00000004 00000001 00000000 00020000 bea98ac4 # [ 92.697327] dfe0: 00000004 bea987f8 b6f10d8f b6e977e6 # [ 92.702681] irq event stamp: 0 # [ 92.706040] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 92.711890] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 92.719688] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 92.727504] softirqs last disabled at (0): [<00000000>] 0x0 # [ 92.733352] ---[ end trace 707f2933438bd7fc ]--- # [ 92.738298] 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>[ 93.204817] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED <6>[ 93.212053] lkdtm: attempting bad refcount_dec_and_test() from saturated <4>[ 93.219064] ------------[ cut here ]------------ <4>[ 93.223969] WARNING: CPU: 3 PID: 3185 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 <4>[ 93.232821] refcount_t: underflow; use-after-free. <4>[ 93.237916] 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 imx_ldb can_dev etnaviv dw_hdmi_imx dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 <4>[ 93.267312] CPU: 3 PID: 3185 Comm: cat Tainted: G D W 5.10.199-cip39 #1 <4>[ 93.275322] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 93.282115] Backtrace: <4>[ 93.284844] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 93.292685] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d078 <4>[ 93.298617] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 93.306202] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 93.313433] r9:00000009 r8:c0874da8 r7:0000001c r6:00000009 r5:c0874da8 r4:c1a29510 <4>[ 93.321447] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 93.329197] r7:0000001c r6:c1a29510 r5:c1a2954c r4:c5a2a000 <4>[ 93.335130] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) <4>[ 93.344445] r9:c1ad5544 r8:c15ebbf4 r7:c5a2bf60 r6:00000020 r5:c6b20000 r4:c5a2a000 <4>[ 93.352463] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) <4>[ 93.363176] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x50/0x88) <4>[ 93.375185] [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 93.385449] r4:0000003a <4>[ 93.388253] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 93.396533] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 93.404722] r9:c5a2bf60 r8:c30bfd80 r7:00000020 r6:b6e1d000 r5:c5a9c500 r4:c0c56cd8 <4>[ 93.412741] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 93.420840] r9:c07e12d4 r8:c5a2bf60 r7:c2815800 r6:b6e1d000 r5:c5a9c500 r4:00000000 <4>[ 93.428853] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 93.436258] r10:00000004 r9:00000000 r8:00000000 r7:b6e1d000 r6:c5a2a000 r5:c5a9c500 <4>[ 93.444351] r4:c5a9c500 <4>[ 93.447155] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 93.454560] r9:c5a2a000 r8:c03002e4 r7:00000004 r6:b6f64e00 r5:00000020 r4:00000020 <4>[ 93.462576] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 93.470411] Exception stack(0xc5a2bfa8 to 0xc5a2bff0) <4>[ 93.475733] bfa0: 00000020 00000020 00000001 b6e1d000 00000020 00000000 <4>[ 93.484181] bfc0: 00000020 00000020 b6f64e00 00000004 00000001 00000000 00020000 bef64ac4 <4>[ 93.492626] bfe0: 00000004 bef647f8 b6eced8f b6e557e6 <4>[ 93.498020] irq event stamp: 0 <4>[ 93.501377] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 93.507265] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 93.515044] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 93.522887] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 93.528778] ---[ end trace 707f2933438bd7fd ]--- <6>[ 93.533670] lkdtm: Saturation detected: still saturated # [ 93.204817] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 93.212053] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 93.219064] ------------[ cut here ]------------ # [ 93.223969] WARNING: CPU: 3 PID: 3185 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 93.232821] refcount_t: underflow; use-after-free. # [ 93.237916] 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 imx_ldb can_dev etnaviv dw_hdmi_imx dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 # [ 93.267312] CPU: 3 PID: 3185 Comm: cat Tainted: G D W 5.10.199-cip39 #1 # [ 93.275322] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 93.282115] Backtrace: # [ 93.284844] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 93.292685] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d078 # [ 93.298617] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 93.306202] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 93.313433] r9:00000009 r8:c0874da8 r7:0000001c r6:00000009 r5:c0874da8 r4:c1a29510 # [ 93.321447] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 93.329197] r7:0000001c r6:c1a29510 r5:c1a2954c r4:c5a2a000 # [ 93.335130] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 93.344445] r9:c1ad5544 r8:c15ebbf4 r7:c5a2bf60 r6:00000020 r5:c6b20000 r4:c5a2a000 # [ 93.352463] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 93.363176] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x50/0x88) # [ 93.375185] [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 93.385449] r4:0000003a # [ 93.388253] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 93.396533] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 93.404722] r9:c5a2bf60 r8:c30bfd80 r7:00000020 r6:b6e1d000 r5:c5a9c500 r4:c0c56cd8 # [ 93.412741] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 93.420840] r9:c07e12d4 r8:c5a2bf60 r7:c2815800 r6:b6e1d000 r5:c5a9c500 r4:00000000 # [ 93.428853] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 93.436258] r10:00000004 r9:00000000 r8:00000000 r7:b6e1d000 r6:c5a2a000 r5:c5a9c500 # [ 93.444351] r4:c5a9c500 # [ 93.447155] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 93.454560] r9:c5a2a000 r8:c03002e4 r7:00000004 r6:b6f64e00 r5:00000020 r4:00000020 # [ 93.462576] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 93.470411] Exception stack(0xc5a2bfa8 to 0xc5a2bff0) # [ 93.475733] bfa0: 00000020 00000020 00000001 b6e1d000 00000020 00000000 # [ 93.484181] bfc0: 00000020 00000020 b6f64e00 00000004 00000001 00000000 00020000 bef64ac4 # [ 93.492626] bfe0: 00000004 bef647f8 b6eced8f b6e557e6 # [ 93.498020] irq event stamp: 0 # [ 93.501377] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 93.507265] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 93.515044] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 93.522887] softirqs last disabled at (0): [<00000000>] 0x0 # [ 93.528778] ---[ end trace 707f2933438bd7fd ]--- # [ 93.533670] 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>[ 94.007846] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED <6>[ 94.015002] lkdtm: attempting bad refcount_sub_and_test() from saturated <4>[ 94.022179] ------------[ cut here ]------------ <4>[ 94.027162] WARNING: CPU: 3 PID: 3221 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 <4>[ 94.036091] refcount_t: underflow; use-after-free. <4>[ 94.041178] 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 imx_ldb can_dev etnaviv dw_hdmi_imx dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 <4>[ 94.070596] CPU: 3 PID: 3221 Comm: cat Tainted: G D W 5.10.199-cip39 #1 <4>[ 94.078606] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 94.085399] Backtrace: <4>[ 94.088128] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 94.095968] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d078 <4>[ 94.101900] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 94.109484] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 94.116715] r9:00000009 r8:c0874da8 r7:0000001c r6:00000009 r5:c0874da8 r4:c1a29510 <4>[ 94.124730] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 94.132480] r7:0000001c r6:c1a29510 r5:c1a2954c r4:c5ab6000 <4>[ 94.138411] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) <4>[ 94.147726] r9:c1ad5564 r8:c15ebbf4 r7:c5ab7f60 r6:00000020 r5:c6b38000 r4:c5ab6000 <4>[ 94.155745] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) <4>[ 94.166457] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x50/0x88) <4>[ 94.178466] [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 94.188730] r4:0000003b <4>[ 94.191535] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 94.199813] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 94.207998] r9:c5ab7f60 r8:c30bfd80 r7:00000020 r6:b6e75000 r5:c5b7f400 r4:c0c56cd8 <4>[ 94.216017] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 94.224117] r9:c07e12d4 r8:c5ab7f60 r7:c2815800 r6:b6e75000 r5:c5b7f400 r4:00000000 <4>[ 94.232129] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 94.239534] r10:00000004 r9:00000000 r8:00000000 r7:b6e75000 r6:c5ab6000 r5:c5b7f400 <4>[ 94.247627] r4:c5b7f400 <4>[ 94.250432] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 94.257836] r9:c5ab6000 r8:c03002e4 r7:00000004 r6:b6fbce00 r5:00000020 r4:00000020 <4>[ 94.265851] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 94.273686] Exception stack(0xc5ab7fa8 to 0xc5ab7ff0) <4>[ 94.279009] 7fa0: 00000020 00000020 00000001 b6e75000 00000020 00000000 <4>[ 94.287454] 7fc0: 00000020 00000020 b6fbce00 00000004 00000001 00000000 00020000 be8b0ac4 <4>[ 94.295898] 7fe0: 00000004 be8b07f8 b6f26d8f b6ead7e6 <4>[ 94.301276] irq event stamp: 0 <4>[ 94.304609] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 94.310491] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 94.318300] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 94.326107] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 94.331954] ---[ end trace 707f2933438bd7fe ]--- <6>[ 94.336887] lkdtm: Saturation detected: still saturated # [ 94.007846] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 94.015002] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 94.022179] ------------[ cut here ]------------ # [ 94.027162] WARNING: CPU: 3 PID: 3221 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 94.036091] refcount_t: underflow; use-after-free. # [ 94.041178] 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 imx_ldb can_dev etnaviv dw_hdmi_imx dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3 # [ 94.070596] CPU: 3 PID: 3221 Comm: cat Tainted: G D W 5.10.199-cip39 #1 # [ 94.078606] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 94.085399] Backtrace: # [ 94.088128] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 94.095968] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d078 # [ 94.101900] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 94.109484] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 94.116715] r9:00000009 r8:c0874da8 r7:0000001c r6:00000009 r5:c0874da8 r4:c1a29510 # [ 94.124730] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 94.132480] r7:0000001c r6:c1a29510 r5:c1a2954c r4:c5ab6000 # [ 94.138411] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 94.147726] r9:c1ad5564 r8:c15ebbf4 r7:c5ab7f60 r6:00000020 r5:c6b38000 r4:c5ab6000 # [ 94.155745] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 94.166457] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x50/0x88) # [ 94.178466] [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 94.188730] r4:0000003b # [ 94.191535] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 94.199813] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 94.207998] r9:c5ab7f60 r8:c30bfd80 r7:00000020 r6:b6e75000 r5:c5b7f400 r4:c0c56cd8 # [ 94.216017] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 94.224117] r9:c07e12d4 r8:c5ab7f60 r7:c2815800 r6:b6e75000 r5:c5b7f400 r4:00000000 # [ 94.232129] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 94.239534] r10:00000004 r9:00000000 r8:00000000 r7:b6e75000 r6:c5ab6000 r5:c5b7f400 # [ 94.247627] r4:c5b7f400 # [ 94.250432] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 94.257836] r9:c5ab6000 r8:c03002e4 r7:00000004 r6:b6fbce00 r5:00000020 r4:00000020 # [ 94.265851] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 94.273686] Exception stack(0xc5ab7fa8 to 0xc5ab7ff0) # [ 94.279009] 7fa0: 00000020 00000020 00000001 b6e75000 00000020 00000000 # [ 94.287454] 7fc0: 00000020 00000020 b6fbce00 00000004 00000001 00000000 00020000 be8b0ac4 # [ 94.295898] 7fe0: 00000004 be8b07f8 b6f26d8f b6ead7e6 # [ 94.301276] irq event stamp: 0 # [ 94.304609] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 94.310491] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 94.318300] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 94.326107] softirqs last disabled at (0): [<00000000>] 0x0 # [ 94.331954] ---[ end trace 707f2933438bd7fe ]--- # [ 94.336887] 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>[ 95.164594] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO <6>[ 95.170938] lkdtm: attempting good copy_to_user of correct size <6>[ 95.177212] lkdtm: attempting bad copy_to_user of too large size # [ 95.164594] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 95.170938] lkdtm: attempting good copy_to_user of correct size # [ 95.177212] 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>[ 95.616980] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM <6>[ 95.623465] lkdtm: attempting good copy_from_user of correct size <6>[ 95.629923] lkdtm: attempting bad copy_from_user of too large size # [ 95.616980] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 95.623465] lkdtm: attempting good copy_from_user of correct size # [ 95.629923] 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>[ 96.064473] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO <6>[ 96.071287] lkdtm: attempting good copy_to_user inside whitelist <6>[ 96.077816] lkdtm: attempting bad copy_to_user outside whitelist # [ 96.064473] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 96.071287] lkdtm: attempting good copy_to_user inside whitelist # [ 96.077816] 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>[ 96.520217] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM <6>[ 96.527285] lkdtm: attempting good copy_from_user inside whitelist <6>[ 96.533787] lkdtm: attempting bad copy_from_user outside whitelist # [ 96.520217] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 96.527285] lkdtm: attempting good copy_from_user inside whitelist # [ 96.533787] 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>[ 96.975378] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO <6>[ 96.981848] lkdtm: good_stack: c46bbe0c-c46bbe2c <6>[ 96.986821] lkdtm: bad_stack : c46bbd84-c46bbda4 <6>[ 96.991729] lkdtm: attempting good copy_to_user of local stack <6>[ 96.997921] lkdtm: attempting bad copy_to_user of distant stack # [ 96.975378] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 96.981848] lkdtm: good_stack: c46bbe0c-c46bbe2c # [ 96.986821] lkdtm: bad_stack : c46bbd84-c46bbda4 # [ 96.991729] lkdtm: attempting good copy_to_user of local stack # [ 96.997921] 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>[ 97.439535] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM <6>[ 97.446261] lkdtm: good_stack: c5953e0c-c5953e2c <6>[ 97.451150] lkdtm: bad_stack : c5953d84-c5953da4 <6>[ 97.456101] lkdtm: attempting good copy_from_user of local stack <6>[ 97.462394] lkdtm: attempting bad copy_from_user of distant stack # [ 97.439535] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 97.446261] lkdtm: good_stack: c5953e0c-c5953e2c # [ 97.451150] lkdtm: bad_stack : c5953d84-c5953da4 # [ 97.456101] lkdtm: attempting good copy_from_user of local stack # [ 97.462394] 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>[ 97.902406] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND <6>[ 97.908853] lkdtm: good_stack: c5affe0c-c5affe2c <6>[ 97.913773] lkdtm: bad_stack : c5affffc-c5b0001c <6>[ 97.918756] lkdtm: attempting good copy_to_user of local stack <6>[ 97.924905] lkdtm: attempting bad copy_to_user of distant stack # [ 97.902406] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 97.908853] lkdtm: good_stack: c5affe0c-c5affe2c # [ 97.913773] lkdtm: bad_stack : c5affffc-c5b0001c # [ 97.918756] lkdtm: attempting good copy_to_user of local stack # [ 97.924905] 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>[ 98.364112] lkdtm: Performing direct entry USERCOPY_KERNEL <6>[ 98.370024] lkdtm: attempting good copy_to_user from kernel rodata: c15ebea0 <6>[ 98.377465] lkdtm: attempting bad copy_to_user from kernel text: c053d864 <3>[ 98.384539] lkdtm: FAIL: survived bad copy_to_user() # [ 98.364112] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 98.370024] lkdtm: attempting good copy_to_user from kernel rodata: c15ebea0 # [ 98.377465] lkdtm: attempting bad copy_to_user from kernel text: c053d864 # [ 98.384539] 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>[ 98.832311] lkdtm: Performing direct entry STACKLEAK_ERASING <6>[ 98.838414] lkdtm: checking unused part of the thread stack (7732 bytes)... <3>[ 98.845743] lkdtm: FAIL: the erased part is not found (checked 7732 bytes) <3>[ 98.852893] lkdtm: FAIL: the thread stack is NOT properly erased <4>[ 98.859324] CPU: 0 PID: 3597 Comm: cat Tainted: G D W 5.10.199-cip39 #1 <4>[ 98.867346] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 98.874138] Backtrace: <4>[ 98.876869] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 98.884709] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d078 <4>[ 98.890643] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 98.898229] [] (dump_stack) from [] (lkdtm_STACKLEAK_ERASING+0x148/0x174) <4>[ 98.907023] r9:c1ad566c r8:c15ebbf4 r7:c4697f60 r6:c4697e34 r5:c4696000 r4:0000078d <4>[ 98.915038] [] (lkdtm_STACKLEAK_ERASING) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 98.924092] r8:c15ebbf4 r7:c4697f60 r6:00000012 r5:c5c9f000 r4:00000046 <4>[ 98.931062] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 98.939341] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 98.947527] r9:c4697f60 r8:c30bfd80 r7:00000012 r6:b6e17000 r5:c690c3c0 r4:c0c56cd8 <4>[ 98.955545] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 98.963644] r9:c07e12d4 r8:c4697f60 r7:c2815800 r6:b6e17000 r5:c690c3c0 r4:00000000 <4>[ 98.971657] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 98.979061] r10:00000004 r9:00000000 r8:00000000 r7:b6e17000 r6:c4696000 r5:c690c3c0 <4>[ 98.987154] r4:c690c3c0 <4>[ 98.989957] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 98.997362] r9:c4696000 r8:c03002e4 r7:00000004 r6:b6f5ee00 r5:00000012 r4:00000012 <4>[ 99.005379] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 99.013213] Exception stack(0xc4697fa8 to 0xc4697ff0) <4>[ 99.018535] 7fa0: 00000012 00000012 00000001 b6e17000 00000012 00000000 <4>[ 99.026983] 7fc0: 00000012 00000012 b6f5ee00 00000004 00000001 00000000 00020000 bef21ac4 <4>[ 99.035426] 7fe0: 00000004 bef217f8 b6ec8d8f b6e4f7e6 # [ 98.832311] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 98.838414] lkdtm: checking unused part of the thread stack (7732 bytes)... # [ 98.845743] lkdtm: FAIL: the erased part is not found (checked 7732 bytes) # [ 98.852893] lkdtm: FAIL: the thread stack is NOT properly erased # [ 98.859324] CPU: 0 PID: 3597 Comm: cat Tainted: G D W 5.10.199-cip39 #1 # [ 98.867346] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 98.874138] Backtrace: # [ 98.876869] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 98.884709] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d078 # [ 98.890643] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 98.898229] [] (dump_stack) from [] (lkdtm_STACKLEAK_ERASING+0x148/0x174) # [ 98.907023] r9:c1ad566c r8:c15ebbf4 r7:c4697f60 r6:c4697e34 r5:c4696000 r4:0000078d # [ 98.915038] [] (lkdtm_STACKLEAK_ERASING) from [] (lkdtm_do_action+0x2c/0x4c) # [ 98.924092] r8:c15ebbf4 r7:c4697f60 r6:00000012 r5:c5c9f000 r4:00000046 # [ 98.931062] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 98.939341] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 98.947527] r9:c4697f60 r8:c30bfd80 r7:00000012 r6:b6e17000 r5:c690c3c0 r4:c0c56cd8 # [ 98.955545] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 98.963644] r9:c07e12d4 r8:c4697f60 r7:c2815800 r6:b6e17000 r5:c690c3c0 r4:00000000 # [ 98.971657] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 98.979061] r10:00000004 r9:00000000 r8:00000000 r7:b6e17000 r6:c4696000 r5:c690c3c0 # [ 98.987154] r4:c690c3c0 # [ 98.989957] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 98.997362] r9:c4696000 r8:c03002e4 r7:00000004 r6:b6f5ee00 r5:00000012 r4:00000012 # [ 99.005379] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 99.013213] Exception stack(0xc4697fa8 to 0xc4697ff0) # [ 99.018535] 7fa0: 00000012 00000012 00000001 b6e17000 00000012 00000000 # [ 99.026983] 7fc0: 00000012 00000012 b6f5ee00 00000004 00000001 00000000 00020000 bef21ac4 # [ 99.035426] 7fe0: 00000004 bef217f8 b6ec8d8f b6e4f7e6 # 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>[ 99.494746] lkdtm: Performing direct entry CFI_FORWARD_PROTO <6>[ 99.500807] lkdtm: Calling matched prototype ... <6>[ 99.505760] lkdtm: Calling mismatched prototype ... <6>[ 99.510914] lkdtm: Fail: survived mismatched prototype function call! # [ 99.494746] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 99.500807] lkdtm: Calling matched prototype ... # [ 99.505760] lkdtm: Calling mismatched prototype ... # [ 99.510914] lkdtm: Fail: survived mismatched prototype function call! # CFI_FORWARD_PROTO: missing 'call trace:': [FAIL] not ok 70 selftests: lkdtm: CFI_FORWARD_PROTO.sh # exit=1 lkdtm_PANIC_sh_selftests_lkdtm_panic_sh skip lkdtm_BUG_sh pass lkdtm_WARNING_sh pass lkdtm_WARNING_MESSAGE_sh pass lkdtm_EXCEPTION_sh fail lkdtm_LOOP_sh_selftests_lkdtm_loop_sh skip lkdtm_EXHAUST_STACK_sh_selftests_lkdtm_exhaust_stack_sh skip lkdtm_CORRUPT_STACK_sh_selftests_lkdtm_corrupt_stack_sh skip lkdtm_CORRUPT_STACK_STRONG_sh_selftests_lkdtm_corrupt_stack_strong_sh skip lkdtm_CORRUPT_LIST_ADD_sh fail lkdtm_CORRUPT_LIST_DEL_sh fail lkdtm_STACK_GUARD_PAGE_LEADING_sh fail lkdtm_STACK_GUARD_PAGE_TRAILING_sh fail lkdtm_UNSET_SMEP_sh_selftests_lkdtm_unset_smep_sh skip lkdtm_DOUBLE_FAULT_sh_selftests_lkdtm_double_fault_sh skip lkdtm_CORRUPT_PAC_sh_selftests_lkdtm_corrupt_pac_sh skip lkdtm_UNALIGNED_LOAD_STORE_WRITE_sh_selftests_lkdtm_unaligned_load_store_write_sh skip lkdtm_OVERWRITE_ALLOCATION_sh_selftests_lkdtm_overwrite_allocation_sh skip lkdtm_WRITE_AFTER_FREE_sh_selftests_lkdtm_write_after_free_sh skip lkdtm_READ_AFTER_FREE_sh fail lkdtm_WRITE_BUDDY_AFTER_FREE_sh_selftests_lkdtm_write_buddy_after_free_sh skip lkdtm_READ_BUDDY_AFTER_FREE_sh fail lkdtm_SLAB_FREE_DOUBLE_sh fail lkdtm_SLAB_FREE_CROSS_sh fail lkdtm_SLAB_FREE_PAGE_sh fail lkdtm_SOFTLOCKUP_sh_selftests_lkdtm_softlockup_sh skip lkdtm_HARDLOCKUP_sh_selftests_lkdtm_hardlockup_sh skip lkdtm_SPINLOCKUP_sh_selftests_lkdtm_spinlockup_sh skip lkdtm_HUNG_TASK_sh_selftests_lkdtm_hung_task_sh skip lkdtm_EXEC_DATA_sh fail lkdtm_EXEC_STACK_sh fail lkdtm_EXEC_KMALLOC_sh fail lkdtm_EXEC_VMALLOC_sh fail lkdtm_EXEC_RODATA_sh fail lkdtm_EXEC_USERSPACE_sh fail lkdtm_EXEC_NULL_sh fail lkdtm_ACCESS_USERSPACE_sh fail lkdtm_ACCESS_NULL_sh fail lkdtm_WRITE_RO_sh fail lkdtm_WRITE_RO_AFTER_INIT_sh fail lkdtm_WRITE_KERN_sh fail lkdtm_REFCOUNT_INC_OVERFLOW_sh fail lkdtm_REFCOUNT_ADD_OVERFLOW_sh fail lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW_sh fail lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW_sh fail lkdtm_REFCOUNT_DEC_ZERO_sh fail lkdtm_REFCOUNT_DEC_NEGATIVE_sh pass lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE_sh pass lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE_sh pass lkdtm_REFCOUNT_INC_ZERO_sh fail lkdtm_REFCOUNT_ADD_ZERO_sh fail lkdtm_REFCOUNT_INC_SATURATED_sh pass lkdtm_REFCOUNT_DEC_SATURATED_sh pass lkdtm_REFCOUNT_ADD_SATURATED_sh pass lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED_sh fail lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED_sh fail lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED_sh pass lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED_sh pass lkdtm_REFCOUNT_TIMING_sh_selftests_lkdtm_refcount_timing_sh skip lkdtm_ATOMIC_TIMING_sh_selftests_lkdtm_atomic_timing_sh skip lkdtm_USERCOPY_HEAP_SIZE_TO_sh fail lkdtm_USERCOPY_HEAP_SIZE_FROM_sh fail lkdtm_USERCOPY_HEAP_WHITELIST_TO_sh fail lkdtm_USERCOPY_HEAP_WHITELIST_FROM_sh fail lkdtm_USERCOPY_STACK_FRAME_TO_sh fail lkdtm_USERCOPY_STACK_FRAME_FROM_sh fail lkdtm_USERCOPY_STACK_BEYOND_sh fail lkdtm_USERCOPY_KERNEL_sh fail lkdtm_STACKLEAK_ERASING_sh fail lkdtm_CFI_FORWARD_PROTO_sh fail + ../../utils/send-to-lava.sh ./output/result.txt + set +x / #