[Enter `^Ec?' for help] U-Boot 2021.10+dfsg-1+apertis10bv2023dev2b2 (Apr 18 2022 - 16:34:49 +0000) CPU: Freescale i.MX6Q rev1.0 at 792 MHz Reset cause: POR Model: Freescale i.MX6 Quad SABRE Lite Board Board: SABRE Lite I2C: ready DRAM: 1 GiB MMC: FSL_SDHC: 0, FSL_SDHC: 1 Loading Environment from SPIFlash... SF: Detected sst25vf016b with page size 256 Bytes, erase size 4 KiB, total 2 MiB *** Warning - bad CRC, using default environment In: serial Out: serial Err: serial Net: using phy at 6 FEC [PRIME], usb_ether Error: usb_ether address not set. starting USB... Bus usb@2184000: usb dr_mode not found Bus usb@2184200: USB EHCI 1.00 scanning bus usb@2184000 for devices... 1 USB Device(s) found scanning bus usb@2184200 for devices... 2 USB Device(s) found scanning usb for storage devices... 0 Storage Device(s) found scanning usb for ethernet devices... 0 Ethernet Device(s) found Hit any key to stop autoboot: 3  0 => setenv autoload no setenv autoload no => setenv initrd_high 0xffffffff setenv initrd_high 0xffffffff => setenv fdt_high 0xffffffff setenv fdt_high 0xffffffff => dhcp dhcp BOOTP broadcast 1 DHCP client bound to address 192.168.201.12 (12 ms) => setenv serverip 192.168.201.1 setenv serverip 192.168.201.1 => tftp 0x10000000 12460648/tftp-deploy-bkl66uez/kernel/zImage tftp 0x10000000 12460648/tftp-deploy-bkl66uez/kernel/zImage Using FEC device TFTP from server 192.168.201.1; our IP address is 192.168.201.12 Filename '12460648/tftp-deploy-bkl66uez/kernel/zImage'. Load address: 0x10000000 Loading: *################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ########## 3.3 MiB/s done Bytes transferred = 12546560 (bf7200 hex) => tftp 0x14000000 12460648/tftp-deploy-bkl66uez/ramdisk/ramdisk.cpio.gz.uboot tftp 0x14000000 12460648/tftp-deploy-bkl66uez/ramdisk/ramdisk.cpio.gz.uboot Using FEC device TFTP from server 192.168.201.1; our IP address is 192.168.201.12 Filename '12460648/tftp-deploy-bkl66uez/ramdisk/ramdisk.cpio.gz.uboot'. Load address: 0x14000000 Loading: *################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ###### 3.8 MiB/s done Bytes transferred = 15346831 (ea2c8f hex) => setenv initrd_size ${filesize} setenv initrd_size ${filesize} => tftp 0x13f00000 12460648/tftp-deploy-bkl66uez/dtb/imx6q-sabrelite.dtb tftp 0x13f00000 12460648/tftp-deploy-bkl66uez/dtb/imx6q-sabrelite.dtb Using FEC device TFTP from server 192.168.201.1; our IP address is 192.168.201.12 Filename '12460648/tftp-deploy-bkl66uez/dtb/imx6q-sabrelite.dtb'. Load address: 0x13f00000 Loading: *### 2.4 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/12460648/extract-nfsrootfs-hs3oc_q0,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/12460648/extract-nfsrootfs-hs3oc_q0,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 - 0xbf7200 ] ## Loading init Ramdisk from Legacy Image at 14000000 ... Image Name: Image Type: ARM Linux RAMDisk Image (uncompressed) Data Size: 15346767 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 5.10.206-cip41 (KernelCI@build-j67048-arm-gcc-10-multi-v7-defconfig-kselftest-p9784) (arm-linux-gnueabihf-gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Fri Jan 5 19:32:30 UTC 2024 [ 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/12460648/extract-nfsrootfs-hs3oc_q0,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: 921472K/1048576K available (17408K kernel code, 2714K rwdata, 8140K rodata, 2048K init, 6693K bss, 61568K 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 56140 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 15ns <6>[ 0.000008] sched_clock: 32 bits at 66MHz, resolution 15ns, wraps every 32537631224ns <6>[ 0.008095] clocksource: mxc_timer1: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 28958491609 ns <6>[ 0.022550] Console: colour dummy device 80x30 <4>[ 0.024457] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar <4>[ 0.032465] ... MAX_LOCKDEP_SUBCLASSES: 8 <4>[ 0.036808] ... MAX_LOCK_DEPTH: 48 <4>[ 0.041220] ... MAX_LOCKDEP_KEYS: 8192 <4>[ 0.045854] ... CLASSHASH_SIZE: 4096 <4>[ 0.050440] ... MAX_LOCKDEP_ENTRIES: 32768 <4>[ 0.055138] ... MAX_LOCKDEP_CHAINS: 65536 <4>[ 0.059862] ... CHAINHASH_SIZE: 32768 <4>[ 0.064535] memory used by lock dependency info: 4061 kB <4>[ 0.070213] memory used for stack traces: 2112 kB <4>[ 0.075237] per task-struct memory footprint: 1536 bytes <6>[ 0.080971] Calibrating delay loop (skipped), value calculated using timer frequency.. 132.00 BogoMIPS (lpj=660000) <6>[ 0.091622] CPU: Testing write buffer coherency: ok <6>[ 0.096760] CPU0: Spectre v2: using BPIALL workaround <6>[ 0.102035] pid_max: default: 32768 minimum: 301 <6>[ 0.107224] LSM: Security Framework initializing <6>[ 0.111855] LSM support for eBPF active <6>[ 0.116013] Mount-cache hash table entries: 2048 (order: 1, 8192 bytes, linear) <6>[ 0.123456] Mountpoint-cache hash table entries: 2048 (order: 1, 8192 bytes, linear) <6>[ 0.134907] CPU0: thread -1, cpu 0, socket 0, mpidr 80000000 <6>[ 0.141424] Setting up static identity map for 0x10300000 - 0x103000ac <6>[ 0.147841] rcu: Hierarchical SRCU implementation. <6>[ 0.159411] EFI services will not be available. <6>[ 0.162473] smp: Bringing up secondary CPUs ... <6>[ 0.168998] CPU1: thread -1, cpu 1, socket 0, mpidr 80000001 <6>[ 0.169013] CPU1: Spectre v2: using BPIALL workaround <6>[ 0.180776] CPU2: thread -1, cpu 2, socket 0, mpidr 80000002 <6>[ 0.180791] CPU2: Spectre v2: using BPIALL workaround <6>[ 0.192222] CPU3: thread -1, cpu 3, socket 0, mpidr 80000003 <6>[ 0.192236] CPU3: Spectre v2: using BPIALL workaround <6>[ 0.201255] smp: Brought up 1 node, 4 CPUs <6>[ 0.204980] SMP: Total of 4 processors activated (528.00 BogoMIPS). <6>[ 0.211605] CPU: All CPU(s) started in SVC mode. <6>[ 0.218870] devtmpfs: initialized <6>[ 0.267673] VFP support v0.3: implementor 41 architecture 3 part 30 variant 9 rev 4 <6>[ 0.275162] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns <6>[ 0.283030] futex hash table entries: 1024 (order: 4, 65536 bytes, linear) <6>[ 0.294742] pinctrl core: initialized pinctrl subsystem <6>[ 0.303802] DMI not present or invalid. <6>[ 0.307250] NET: Registered protocol family 16 <6>[ 0.319532] DMA: preallocated 256 KiB pool for atomic coherent allocations <6>[ 0.332401] thermal_sys: Registered thermal governor 'step_wise' <6>[ 0.332904] cpuidle: using governor menu <6>[ 0.340976] CPU identified as i.MX6Q, silicon rev 1.0 <6>[ 0.993331] vdd1p1: supplied by regulator-dummy <6>[ 1.022887] vdd3p0: supplied by regulator-dummy <6>[ 1.052066] vdd2p5: supplied by regulator-dummy <6>[ 1.081282] vddarm: supplied by regulator-dummy <6>[ 1.111182] vddpu: supplied by regulator-dummy <6>[ 1.139732] vddsoc: supplied by regulator-dummy <6>[ 2.300029] No ATAGs? <6>[ 2.300795] hw-breakpoint: found 5 (+1 reserved) breakpoint and 1 watchpoint registers. <6>[ 2.308003] hw-breakpoint: maximum watchpoint size is 4 bytes. <6>[ 2.331603] imx6q-pinctrl 20e0000.pinctrl: initialized IMX pinctrl driver <6>[ 2.361656] Serial: AMBA PL011 UART driver <6>[ 2.419424] Kprobes globally optimized <6>[ 2.523427] iommu: Default domain type: Translated <6>[ 2.527639] vgaarb: loaded <5>[ 2.533071] SCSI subsystem initialized <6>[ 2.536182] usbcore: registered new interface driver usbfs <6>[ 2.540226] usbcore: registered new interface driver hub <6>[ 2.545798] usbcore: registered new device driver usb <6>[ 2.557569] i2c i2c-0: IMX I2C adapter registered <6>[ 2.565858] i2c i2c-1: IMX I2C adapter registered <6>[ 2.572018] i2c i2c-2: IMX I2C adapter registered <6>[ 2.578269] pps_core: LinuxPPS API ver. 1 registered <6>[ 2.580665] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <6>[ 2.590206] PTP clock support registered <6>[ 2.609131] clocksource: Switched to clocksource mxc_timer1 <6>[ 4.378908] NET: Registered protocol family 2 <6>[ 4.381534] IP idents hash table entries: 16384 (order: 5, 131072 bytes, linear) <6>[ 4.391935] tcp_listen_portaddr_hash hash table entries: 512 (order: 2, 22528 bytes, linear) <6>[ 4.397945] TCP established hash table entries: 8192 (order: 3, 32768 bytes, linear) <6>[ 4.406093] TCP bind hash table entries: 8192 (order: 6, 327680 bytes, linear) <6>[ 4.414770] TCP: Hash tables configured (established 8192 bind 8192) <6>[ 4.421237] MPTCP token hash table entries: 1024 (order: 3, 49152 bytes, linear) <6>[ 4.427858] UDP hash table entries: 512 (order: 3, 49152 bytes, linear) <6>[ 4.434729] UDP-Lite hash table entries: 512 (order: 3, 49152 bytes, linear) <6>[ 4.442488] NET: Registered protocol family 1 <6>[ 4.448855] RPC: Registered named UNIX socket transport module. <6>[ 4.452655] RPC: Registered udp transport module. <6>[ 4.457493] RPC: Registered tcp transport module. <6>[ 4.462518] RPC: Registered tcp NFSv4.1 backchannel transport module. <6>[ 4.469232] NET: Registered protocol family 44 <6>[ 4.473878] PCI: CLS 0 bytes, default 64 <6>[ 4.480238] Trying to unpack rootfs image as initramfs... <6>[ 6.274997] Freeing initrd memory: 14988K <4>[ 6.277328] hw perfevents: no interrupt-affinity property for /pmu, guessing. <6>[ 6.284931] hw perfevents: enabled with armv7_cortex_a9 PMU driver, 7 counters available <5>[ 6.300357] Initialise system trusted keyrings <6>[ 6.303256] workingset: timestamp_bits=30 max_order=18 bucket_order=0 <6>[ 6.352166] squashfs: version 4.0 (2009/01/31) Phillip Lougher <5>[ 6.358832] NFS: Registering the id_resolver key type <5>[ 6.361491] Key type id_resolver registered <5>[ 6.365767] Key type id_legacy registered <6>[ 6.370593] nfs4filelayout_init: NFSv4 File Layout Driver Registering... <6>[ 6.377042] nfs4flexfilelayout_init: NFSv4 Flexfile Layout Driver Registering... <6>[ 6.384845] ntfs: driver 2.1.32 [Flags: R/O]. <5>[ 6.391223] Key type asymmetric registered <5>[ 6.393675] Asymmetric key parser 'x509' registered <6>[ 6.399032] bounce: pool size: 64 pages <6>[ 6.402935] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 247) <6>[ 6.410583] io scheduler mq-deadline registered <6>[ 6.415260] io scheduler kyber registered <4>[ 6.420422] test_firmware: interface ready <6>[ 6.583196] mxs-dma 110000.dma-controller: initialized <4>[ 6.643828] imx-sdma 20ec000.dma-controller: Direct firmware load for imx/sdma/sdma-imx6q.bin failed with error -2 <6>[ 6.651933] imx-sdma 20ec000.dma-controller: external firmware not found, using ROM firmware <6>[ 6.872062] Serial: 8250/16550 driver, 5 ports, IRQ sharing enabled <6>[ 6.894172] SuperH (H)SCI(F) driver initialized <6>[ 6.898786] 2020000.serial: ttymxc0 at MMIO 0x2020000 (irq = 34, base_baud = 5000000) is a IMX <6>[ 6.909714] 21e8000.serial: ttymxc1 at MMIO 0x21e8000 (irq = 81, base_baud = 5000000) is a IMX <6>[ 6.916149] printk: console [ttymxc1] enabled <6>[ 6.916149] printk: console [ttymxc1] enabled <6>[ 6.925055] printk: bootconsole [ec_imx21] disabled <6>[ 6.925055] printk: bootconsole [ec_imx21] disabled <6>[ 6.941104] msm_serial: driver initialized <6>[ 6.946434] STMicroelectronics ASC driver initialized <6>[ 6.957737] STM32 USART driver initialized <6>[ 6.982186] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 0 <4>[ 7.002399] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 7.010965] panel-simple panel-lcd: Specify missing connector_type <4>[ 7.018804] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 7.067931] brd: module loaded <6>[ 7.112953] loop: module loaded <6>[ 7.119316] lkdtm: No crash points registered, enable through debugfs <6>[ 7.140218] ahci-imx 2200000.sata: fsl,transmit-level-mV not specified, using 00000024 <6>[ 7.148438] ahci-imx 2200000.sata: fsl,transmit-boost-mdB not specified, using 00000480 <6>[ 7.156799] ahci-imx 2200000.sata: fsl,transmit-atten-16ths not specified, using 00002000 <6>[ 7.165322] ahci-imx 2200000.sata: fsl,receive-eq-mdB not specified, using 05000000 <4>[ 7.173583] ahci-imx 2200000.sata: supply ahci not found, using dummy regulator <4>[ 7.181982] ahci-imx 2200000.sata: supply phy not found, using dummy regulator <4>[ 7.189945] ahci-imx 2200000.sata: supply target not found, using dummy regulator <6>[ 7.201377] ahci-imx 2200000.sata: SSS flag set, parallel bus scan disabled <6>[ 7.208658] ahci-imx 2200000.sata: AHCI 0001.0300 32 slots 1 ports 3 Gbps 0x1 impl platform mode <6>[ 7.217826] ahci-imx 2200000.sata: flags: ncq sntf stag pm led clo only pmp pio slum part ccc apst <6>[ 7.232059] scsi host0: ahci-imx <6>[ 7.237661] ata1: SATA max UDMA/133 mmio [mem 0x02200000-0x02203fff] port 0x100 irq 84 <6>[ 7.297388] bgmac_bcma: Broadcom 47xx GBit MAC driver loaded <6>[ 7.310695] pps pps0: new PPS source ptp0 <6>[ 7.354525] fec 2188000.ethernet eth0: registered PHC device 0 <6>[ 7.365064] e1000e: Intel(R) PRO/1000 Network Driver <6>[ 7.370369] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. <6>[ 7.376803] igb: Intel(R) Gigabit Ethernet Network Driver <6>[ 7.382534] igb: Copyright (c) 2007-2014 Intel Corporation. <6>[ 7.408613] pegasus: v0.9.3 (2013/04/25), Pegasus/Pegasus II USB Ethernet driver <6>[ 7.416486] usbcore: registered new interface driver pegasus <6>[ 7.422662] usbcore: registered new interface driver asix <6>[ 7.428479] usbcore: registered new interface driver ax88179_178a <6>[ 7.435046] usbcore: registered new interface driver cdc_ether <6>[ 7.441406] usbcore: registered new interface driver smsc75xx <6>[ 7.447641] usbcore: registered new interface driver smsc95xx <6>[ 7.453849] usbcore: registered new interface driver net1080 <6>[ 7.459965] usbcore: registered new interface driver cdc_subset <6>[ 7.466297] usbcore: registered new interface driver zaurus <6>[ 7.472467] usbcore: registered new interface driver cdc_ncm <6>[ 7.490218] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver <6>[ 7.497105] ehci-pci: EHCI PCI platform driver <6>[ 7.502022] ehci-platform: EHCI generic platform driver <6>[ 7.508465] ehci-orion: EHCI orion driver <6>[ 7.513613] SPEAr-ehci: EHCI SPEAr driver <6>[ 7.518714] ehci-st: EHCI STMicroelectronics driver <6>[ 7.524707] ehci-exynos: EHCI Exynos driver <6>[ 7.529992] ehci-atmel: EHCI Atmel driver <6>[ 7.535047] tegra-ehci: Tegra EHCI driver <6>[ 7.540187] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver <6>[ 7.546720] ohci-pci: OHCI PCI platform driver <6>[ 7.551657] ohci-platform: OHCI generic platform driver <6>[ 7.558037] SPEAr-ohci: OHCI SPEAr driver <6>[ 7.563166] ohci-st: OHCI STMicroelectronics driver <6>[ 7.569164] ohci-atmel: OHCI Atmel driver <6>[ 7.577406] usbcore: registered new interface driver usb-storage <6>[ 7.581554] ata1: SATA link down (SStatus 0 SControl 300) <6>[ 7.589783] ahci-imx 2200000.sata: no device found, disabling link. <6>[ 7.596348] ahci-imx 2200000.sata: pass ahci_imx..hotplug=1 to enable hotplug <6>[ 7.613720] i2c /dev entries driver <6>[ 7.693256] sdhci: Secure Digital Host Controller Interface driver <6>[ 7.699777] sdhci: Copyright(c) Pierre Ossman <6>[ 7.713333] Synopsys Designware Multimedia Card Interface Driver <6>[ 7.726420] sdhci-pltfm: SDHCI platform and OF driver helper <6>[ 7.735972] sdhci-esdhc-imx 2198000.mmc: Got CD GPIO <6>[ 7.741545] sdhci-esdhc-imx 2198000.mmc: Got WP GPIO <6>[ 7.748304] sdhci-esdhc-imx 219c000.mmc: Got CD GPIO <6>[ 7.755014] ledtrig-cpu: registered to indicate activity on CPUs <6>[ 7.764869] usbcore: registered new interface driver usbhid <6>[ 7.770794] usbhid: USB HID core driver <6>[ 7.792320] mmc3: SDHCI controller on 219c000.mmc [219c000.mmc] using ADMA <6>[ 7.792331] mmc2: SDHCI controller on 2198000.mmc [2198000.mmc] using ADMA <6>[ 7.797405] ipip: IPv4 and MPLS over IPv4 tunneling driver <6>[ 7.799759] IPv4 over IPsec tunneling driver <6>[ 7.821699] NET: Registered protocol family 10 <6>[ 7.831792] Segment Routing with IPv6 <6>[ 7.841369] NET: Registered protocol family 17 <6>[ 7.846532] mmc2: new high speed SDHC card at address 0001 <6>[ 7.852917] 8021q: 802.1Q VLAN Support v1.8 <6>[ 7.856162] mmcblk2: mmc2:0001 SD 14.8 GiB <5>[ 7.858316] Key type dns_resolver registered <6>[ 7.878483] ThumbEE CPU extension supported. <5>[ 7.883156] Registering SWP/SWPB emulation handler <4>[ 7.883938] GPT:Primary header thinks Alt. header is not at the end of the disk. <4>[ 7.896066] GPT:29296874 != 30965759 <5>[ 7.896820] Loading compiled-in X.509 certificates <4>[ 7.899984] GPT:Alternate GPT header not at the end of the disk. <4>[ 7.900000] GPT:29296874 != 30965759 <4>[ 7.900014] GPT: Use GNU Parted to correct GPT errors. <6>[ 7.900091] mmcblk2: p1 p2 p3 <4>[ 8.090984] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 8.099702] panel-simple panel-lcd: Specify missing connector_type <4>[ 8.113853] panel-simple panel-lvds0: supply power not found, using dummy regulator <4>[ 8.152233] imx_usb 2184200.usb: No over current polarity defined <6>[ 8.165894] ci_hdrc ci_hdrc.1: EHCI Host Controller <6>[ 8.171567] ci_hdrc ci_hdrc.1: new USB bus registered, assigned bus number 1 <6>[ 8.210623] ci_hdrc ci_hdrc.1: USB 2.0 started, EHCI 1.00 <6>[ 8.230060] hub 1-0:1.0: USB hub found <6>[ 8.236019] hub 1-0:1.0: 1 port detected <3>[ 8.251579] imx_thermal 20c8000.anatop:tempmon: invalid sensor calibration data <3>[ 8.259294] imx_thermal 20c8000.anatop:tempmon: error -EINVAL: failed to init from nvmem <4>[ 8.267741] imx_thermal: probe of 20c8000.anatop:tempmon failed with error -22 <4>[ 8.296947] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 8.305612] panel-simple panel-lcd: Specify missing connector_type <4>[ 8.319733] panel-simple panel-lvds0: supply power not found, using dummy regulator <4>[ 8.352886] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 8.361512] panel-simple panel-lcd: Specify missing connector_type <4>[ 8.375624] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 8.395587] input: gpio-keys as /devices/platform/gpio-keys/input/input0 <4>[ 8.426948] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 8.435664] panel-simple panel-lcd: Specify missing connector_type <4>[ 8.449970] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 8.473501] Micrel KSZ9021 Gigabit PHY 2188000.ethernet-1:06: attached PHY driver [Micrel KSZ9021 Gigabit PHY] (mii_bus:phy_addr=2188000.ethernet-1:06, irq=POLL) <6>[ 8.649366] usb 1-1: new high-speed USB device number 2 using ci_hdrc <6>[ 8.857926] hub 1-1:1.0: USB hub found <6>[ 8.862928] hub 1-1:1.0: 3 ports detected <4>[ 8.896401] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 8.905031] panel-simple panel-lcd: Specify missing connector_type <4>[ 8.919399] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 10.561024] fec 2188000.ethernet eth0: Link is Up - 100Mbps/Full - flow control off <6>[ 10.569884] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready <5>[ 10.599191] Sending DHCP requests ., OK <6>[ 10.664048] IP-Config: Got DHCP answer from 192.168.201.1, my address is 192.168.201.12 <6>[ 10.672515] IP-Config: Complete: <6>[ 10.676078] device=eth0, hwaddr=0e:cc:7b:b0:7c:c7, ipaddr=192.168.201.12, mask=255.255.255.0, gw=192.168.201.1 <6>[ 10.687045] host=imx6q-sabrelite-lava-cbg-1, domain=lava-rack, nis-domain=(none) <6>[ 10.695304] bootserver=192.168.201.1, rootserver=192.168.201.1, rootpath= <6>[ 10.695343] nameserver0=192.168.201.1 <6>[ 10.769009] Freeing unused kernel memory: 2048K <6>[ 10.780061] Run /init as init process Loading, please wait... Starting version 247.3-7+deb11u2 <6>[ 15.303979] imx-ipuv3 2400000.ipu: IPUv3H probed <4>[ 15.365146] panel-simple panel-lcd: supply power not found, using dummy regulator <6>[ 15.401606] CAN device driver interface <4>[ 15.408140] panel-simple panel-lcd: Specify missing connector_type <6>[ 15.425060] imx-ipuv3 2800000.ipu: IPUv3H probed <4>[ 15.449540] panel-simple panel-lvds0: supply power not found, using dummy regulator <4>[ 15.486461] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 15.495194] panel-simple panel-lcd: Specify missing connector_type <6>[ 15.547186] etnaviv etnaviv: bound 130000.gpu (ops gpu_ops [etnaviv]) <6>[ 15.555226] etnaviv etnaviv: bound 134000.gpu (ops gpu_ops [etnaviv]) <6>[ 15.563149] etnaviv etnaviv: bound 2204000.gpu (ops gpu_ops [etnaviv]) <6>[ 15.570063] etnaviv-gpu 130000.gpu: model: GC2000, revision: 5108 <6>[ 15.578132] etnaviv-gpu 134000.gpu: model: GC320, revision: 5007 <6>[ 15.584780] etnaviv-gpu 2204000.gpu: model: GC355, revision: 1215 <6>[ 15.591257] etnaviv-gpu 2204000.gpu: Ignoring GPU with VG and FE2.0 <6>[ 15.600787] [drm] Initialized etnaviv 1.3.0 20151214 for etnaviv on minor 1 <4>[ 15.620690] panel-simple panel-lvds0: supply power not found, using dummy regulator <4>[ 15.667673] panel-simple panel-lcd: supply power not found, using dummy regulator <6>[ 15.673401] caam 2100000.crypto: Entropy delay = 3200 <4>[ 15.690519] panel-simple panel-lcd: Specify missing connector_type <4>[ 15.718933] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 15.741687] caam 2100000.crypto: Instantiated RNG4 SH0 <6>[ 15.762696] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) <6>[ 15.772203] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) <6>[ 15.781393] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) <6>[ 15.790405] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) <6>[ 15.802446] caam 2100000.crypto: Instantiated RNG4 SH1 <6>[ 15.807908] caam 2100000.crypto: device ID = 0x0a16010000000000 (Era 4) <6>[ 15.814877] caam 2100000.crypto: job rings = 2, qi = 0 <4>[ 15.817519] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 15.829022] panel-simple panel-lcd: Specify missing connector_type <4>[ 15.848926] panel-simple panel-lvds0: supply power not found, using dummy regulator <4>[ 15.900814] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 15.909654] panel-simple panel-lcd: Specify missing connector_type <4>[ 15.946857] usb_phy_generic usbphynop1: supply vcc not found, using dummy regulator <4>[ 15.956520] usb_phy_generic usbphynop1: dummy supplies not allowed for exclusive requests <4>[ 15.971858] usb_phy_generic usbphynop2: supply vcc not found, using dummy regulator <4>[ 15.980788] usb_phy_generic usbphynop2: dummy supplies not allowed for exclusive requests <6>[ 15.994954] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) <6>[ 16.003942] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) <6>[ 16.012813] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) <6>[ 16.021587] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) <6>[ 16.026510] sgtl5000 0-000a: sgtl5000 revision 0x11 <4>[ 16.039025] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 16.046663] sgtl5000 0-000a: Using internal LDO instead of VDDD: check ER1 erratum <4>[ 16.086608] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 16.095517] panel-simple panel-lcd: Specify missing connector_type <6>[ 16.125208] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) <6>[ 16.134088] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) <6>[ 16.142920] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) <6>[ 16.151648] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) <4>[ 16.171039] panel-simple panel-lvds0: supply power not found, using dummy regulator <4>[ 16.207325] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 16.216148] panel-simple panel-lcd: Specify missing connector_type <6>[ 16.238015] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) <6>[ 16.247290] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) <6>[ 16.256534] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) <6>[ 16.265326] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) <6>[ 17.218322] caam algorithms registered in /proc/crypto <6>[ 17.233189] caam 2100000.crypto: registering rng-caam <5>[ 17.362453] random: crng init done <4>[ 17.372206] panel-simple panel-lvds0: supply power not found, using dummy regulator <4>[ 17.405893] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 17.414603] panel-simple panel-lcd: Specify missing connector_type <6>[ 17.435009] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) <6>[ 17.443806] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) <6>[ 17.452631] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) <6>[ 17.461333] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) Begin: Loading essential drivers ... done. Begin: Running /scripts/init-premount ... done. Begin: Mounting root file system ... Begin: Running /scripts/nfs-top ... done. Begin: Running /scripts/nfs-premount ... Waiting up to 60 secs for any ethernet to become available Device /sys/class/net/eth0 found done. IP-Config: eth0 hardware address 0e:cc:7b:b0:7c:c7 mtu 1500 DHCP IP-Config: eth0 complete (dhcp from 192.168.201.1): address: 192.168.201.12 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-1 domain : lava-rack rootserver: 192.168.201.1 rootpath: filename : done. Begin: Running /scripts/nfs-bottom ... done. Begin: Running /scripts/init-bottom ... done. <30>[ 19.670565] systemd[1]: System time before build time, advancing clock. <30>[ 19.907697] systemd[1]: systemd 247.3-7+deb11u2 running in system mode. (+PAM +AUDIT +SELINUX +IMA +APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL +XZ +LZ4 +ZSTD +SECCOMP +BLKID +ELFUTILS +KMOD +IDN2 -IDN +PCRE2 default-hierarchy=unified) <30>[ 19.942351] systemd[1]: Detected architecture arm. Welcome to Debian GNU/Linux 11 (bullseye)! <30>[ 20.006328] systemd[1]: Set hostname to . <30>[ 21.815770] systemd[1]: Queued start job for default target Graphical Interface. <30>[ 21.830965] systemd[1]: Created slice system-getty.slice. [ OK ] Created slice system-getty.slice. <30>[ 21.874026] systemd[1]: Created slice system-modprobe.slice. [ OK ] Created slice system-modprobe.slice. <30>[ 21.924810] systemd[1]: Created slice system-serial\x2dgetty.slice. [ OK ] Created slice system-serial\x2dgetty.slice. <30>[ 21.974216] systemd[1]: Created slice User and Session Slice. [ OK ] Created slice User and Session Slice. <30>[ 22.023197] systemd[1]: Started Dispatch Password Requests to Console Directory Watch. [ OK ] Started Dispatch Password …ts to Console Directory Watch. <30>[ 22.073336] systemd[1]: Started Forward Password Requests to Wall Directory Watch. [ OK ] Started Forward Password R…uests to Wall Directory Watch. <30>[ 22.121603] systemd[1]: Condition check resulted in Arbitrary Executable File Formats File System Automount Point being skipped. <30>[ 22.134522] systemd[1]: Reached target Local Encrypted Volumes. [ OK ] Reached target Local Encrypted Volumes. <30>[ 22.181430] systemd[1]: Reached target Paths. [ OK ] Reached target Paths. <30>[ 22.220831] systemd[1]: Reached target Remote File Systems. [ OK ] Reached target Remote File Systems. <30>[ 22.259603] systemd[1]: Reached target Slices. [ OK ] Reached target Slices. <30>[ 22.300205] systemd[1]: Reached target Swap. [ OK ] Reached target Swap. <30>[ 22.353604] systemd[1]: Listening on initctl Compatibility Named Pipe. [ OK ] Listening on initctl Compatibility Named Pipe. <30>[ 22.456439] systemd[1]: Condition check resulted in Journal Audit Socket being skipped. <30>[ 22.474654] systemd[1]: Listening on Journal Socket (/dev/log). [ OK ] Listening on Journal Socket (/dev/log). <30>[ 22.525970] systemd[1]: Listening on Journal Socket. [ OK ] Listening on Journal Socket. <30>[ 22.575560] systemd[1]: Listening on Network Service Netlink Socket. [ OK ] Listening on Network Service Netlink Socket. <30>[ 22.630671] systemd[1]: Listening on udev Control Socket. [ OK ] Listening on udev Control Socket. <30>[ 22.675221] systemd[1]: Listening on udev Kernel Socket. [ OK ] Listening on udev Kernel Socket. <30>[ 22.695112] systemd[1]: Condition check resulted in Huge Pages File System being skipped. <30>[ 22.704790] systemd[1]: Condition check resulted in POSIX Message Queue File System being skipped. <30>[ 22.725369] systemd[1]: Mounting Kernel Debug File System... Mounting Kernel Debug File System... <30>[ 22.771797] systemd[1]: Mounting Kernel Trace File System... Mounting Kernel Trace File System... <30>[ 22.826704] systemd[1]: Starting Create list of static device nodes for the current kernel... Starting Create list of st…odes for the current kernel... <30>[ 22.891905] systemd[1]: Starting Load Kernel Module configfs... Starting Load Kernel Module configfs... <30>[ 22.941897] systemd[1]: Starting Load Kernel Module drm... Starting Load Kernel Module drm... <30>[ 23.000529] systemd[1]: Starting Load Kernel Module fuse... Starting Load Kernel Module fuse... <30>[ 23.059978] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped. <6>[ 23.084897] fuse: init (API version 7.32) <30>[ 23.094018] systemd[1]: Starting Journal Service... Starting Journal Service... <30>[ 23.164446] systemd[1]: Starting Load Kernel Modules... Starting Load Kernel Modules... <30>[ 23.220400] systemd[1]: Starting Remount Root and Kernel File Systems... Starting Remount Root and Kernel File Systems... <30>[ 23.281686] systemd[1]: Starting Coldplug All udev Devices... Starting Coldplug All udev Devices... <30>[ 23.320779] systemd[1]: Mounted Kernel Debug File System. [ OK ] Mounted Kernel Debug File System. <30>[ 23.361846] systemd[1]: Mounted Kernel Trace File System. [ OK ] Mounted Kernel Trace File System. <30>[ 23.421173] systemd[1]: Finished Create list of static device nodes for the current kernel. [ OK ] Finished Create list of st… nodes for the current kernel. <30>[ 23.519362] systemd[1]: modprobe@configfs.service: Succeeded. <30>[ 23.530300] systemd[1]: Finished Load Kernel Module configfs. [ OK ] Finished Load Kernel Module configfs. <30>[ 23.585864] systemd[1]: modprobe@drm.service: Succeeded. <30>[ 23.597193] systemd[1]: Finished Load Kernel Module drm. [ OK ] Finished Load Kernel Module drm. <30>[ 23.655860] systemd[1]: modprobe@fuse.service: Succeeded. <30>[ 23.666672] systemd[1]: Finished Load Kernel Module fuse. [ OK ] Finished Load Kernel Module fuse. <30>[ 23.715543] systemd[1]: Finished Load Kernel Modules. [ OK ] Finished Load Kernel Modules. <30>[ 23.765503] systemd[1]: Finished Remount Root and Kernel File Systems. [ OK ] Finished Remount Root and Kernel File Systems. <30>[ 23.823291] systemd[1]: Mounting FUSE Control File System... Mounting FUSE Control File System... <30>[ 23.879983] systemd[1]: Mounting Kernel Configuration File System... Mounting Kernel Configuration File System... <30>[ 23.951564] systemd[1]: Condition check resulted in Rebuild Hardware Database being skipped. <30>[ 23.961947] systemd[1]: Condition check resulted in Platform Persistent Storage Archival being skipped. <30>[ 23.981517] systemd[1]: Starting Load/Save Random Seed... Starting Load/Save Random Seed... <30>[ 24.040807] systemd[1]: Starting Apply Kernel Variables... Starting Apply Kernel Variables... <30>[ 24.092860] systemd[1]: Starting Create System Users... Starting Create System Users... <30>[ 24.148911] systemd[1]: Started Journal Service. [ OK ] Started Journal Service. [ OK ] Mounted FUSE Control File System. [ OK ] Mounted Kernel Configuration File System. [ OK ] Finished Load/Save Random Seed. [ OK ] Finished Apply Kernel Variables. [ OK ] Finished Create System Users. Starting Flush Journal to Persistent Storage... Starting Create Static Device Nodes in /dev... <46>[ 24.620141] systemd-journald[283]: Received client request to flush runtime journal. [ OK ] Finished Create Static Device Nodes in /dev. [ OK ] Reached target Local File Systems (Pre). [ OK ] Reached target Local File Systems. Starting Rule-based Manage…for Device Events and Files... [ OK ] Finished Flush Journal to Persistent Storage. [ OK ] Started Rule-based Manager for Device Events and Files. Starting Network Service... Starting Create Volatile Files and Directories... [ OK ] Started Network Service. [ OK ] Finished Create Volatile Files and Directories. Starting Network Name Resolution... Starting Network Time Synchronization... Starting Update UTMP about System Boot/Shutdown... [ OK ] Finished Update UTMP about System Boot/Shutdown. [ OK ] Started Network Time Synchronization. [ OK ] Reached target System Time Set. [ OK ] Reached target System Time Synchronized. [ OK ] Started Network Name Resolution. [ OK ] Reached target Network. [ OK ] Reached target Host and Network Name Lookups. [ OK ] Reached target Hardware activated USB gadget. [ OK ] Found device /dev/ttymxc1. [ OK ] Finished Coldplug All udev Devices. [ OK ] Reached target System Initialization. [ OK ] Started Daily apt download activities. [ OK ] Started Daily apt upgrade and clean activities. [ OK ] Started Periodic ext4 Onli…ata Check for All Filesystems. [ OK ] Started Discard unused blocks once a week. [ OK ] Started Daily Cleanup of Temporary Directories. [ OK ] Reached target Timers. [ OK ] Listening on D-Bus System Message Bus Socket. [ OK ] Reached target Sockets. [ OK ] Reached target Basic System. [ OK ] Started D-Bus System Message Bus. Starting Remove Stale Onli…t4 Metadata Check Snapshots... Starting User Login Management... Starting Permit User Sessions... [ OK ] Finished Permit User Sessions. [ OK ] Finished Remove Stale Onli…ext4 Metadata Check Snapshots. [* ] A start job is running for User Login Management (13s / 1min 40s) M [ 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 5.10.206-cip41 #1 SMP Fri Jan 5 19:32:30 UTC 2024 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/12460648/extract-nfsrootfs-hs3oc_q0' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/12460648/extract-nfsrootfs-hs3oc_q0' / # 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-12460648/environment . /lava-12460648/environment / # /lava-12460648/bin/lava-test-runner /lava-12460648/0 /lava-12460648/bin/lava-test-runner /lava-12460648/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-12460648/0/tests/0_timesync-off ++ cat uuid + UUID=12460648_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-12460648/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=12460648_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/v5.10.205-897-gcc9858ae2881/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 --2024-01-05 19:53:34-- http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.205-897-gcc9858ae2881/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: 1410872 (1.3M) [application/octet-stream] Saving to: 'kselftest.tar.xz' kselftest.tar.xz 0%[ ] 0 --.-KB/s kselftest.tar.xz 3%[ ] 49.22K 193KB/s kselftest.tar.xz 15%[==> ] 217.50K 425KB/s kselftest.tar.xz 61%[===========> ] 842.51K 1.02MB/s kselftest.tar.xz 100%[===================>] 1.34M 1.43MB/s in 0.9s 2024-01-05 19:53:36 (1.43 MB/s) - 'kselftest.tar.xz' saved [1410872/1410872] 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>[ 62.067353] 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>[ 63.190817] lkdtm: Performing direct entry BUG <4>[ 63.195846] ------------[ cut here ]------------ <2>[ 63.200738] kernel BUG at drivers/misc/lkdtm/bugs.c:76! <0>[ 63.206233] Internal error: Oops - BUG: 0 [#1] SMP ARM <4>[ 63.211641] 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 dw_hdmi_imx dw_hdmi parallel_display caam error imx_ldb imxdrm flexcan can_dev etnaviv gpu_sched imx_ipu_v3 <4>[ 63.240979] CPU: 0 PID: 710 Comm: cat Not tainted 5.10.206-cip41 #1 <4>[ 63.247517] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 63.254323] PC is at lkdtm_BUG+0x14/0x18 <4>[ 63.258519] LR is at lkdtm_do_action+0x2c/0x4c <4>[ 63.263232] pc : [] lr : [] psr: a00e0013 <4>[ 63.269767] sp : c5fede58 ip : c5fede68 fp : c5fede64 <4>[ 63.275261] r10: 00000004 r9 : c1ad573c r8 : c15ebd0c <4>[ 63.280754] r7 : c5fedf60 r6 : 00000004 r5 : c59b6000 r4 : 00000001 <4>[ 63.287549] r3 : c0c57fd8 r2 : 74b1e6f4 r1 : ef7815e0 r0 : c15ebd14 <4>[ 63.294347] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 63.301750] Control: 10c5387d Table: 16ba004a DAC: 00000051 <0>[ 63.307766] Process cat (pid: 710, stack limit = 0x99b0d68d) <0>[ 63.313695] Stack: (0xc5fede58 to 0xc5fee000) <0>[ 63.318324] de40: c5fede74 c5fede68 <0>[ 63.326774] de60: c0c57a6c c0c57fe4 c5fede9c c5fede78 c0c57f6c c0c57a4c c0c57e4c c6807900 <0>[ 63.335223] de80: b6e14000 00000004 c5313cc0 c5fedf60 c5fedec4 c5fedea0 c07e1bc0 c0c57e58 <0>[ 63.343672] dea0: 00000000 c6807900 b6e14000 c2815800 c5fedf60 c07e1b5c c5fedf5c c5fedec8 <0>[ 63.352122] dec0: c059baac c07e1b68 00000001 00000000 c059c058 c13dd878 c059c058 c5fec000 <0>[ 63.360571] dee0: b6e14000 00020000 00000004 00000004 0001fffc c5fedee0 00000001 b6e13000 <0>[ 63.369020] df00: c68fc000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 63.377471] df20: 00000000 00000000 c13dd878 74b1e6f4 c206c120 c6807900 c6807900 c5fec000 <0>[ 63.385922] df40: b6e14000 00000000 00000000 00000004 c5fedf94 c5fedf60 c059c058 c059b9ac <0>[ 63.394371] df60: 00000000 00000000 c5fedfac 74b1e6f4 00000004 00000004 b6f5be00 00000004 <0>[ 63.402820] df80: c03002e4 c5fec000 c5fedfa4 c5fedf98 c059c0e8 c059bff0 00000000 c5fedfa8 <0>[ 63.411268] dfa0: c03000c0 c059c0dc 00000004 00000004 00000001 b6e14000 00000004 00000000 <0>[ 63.419720] dfc0: 00000004 00000004 b6f5be00 00000004 00000001 00000000 00020000 bee5dac4 <0>[ 63.428168] dfe0: 00000004 bee5d7f8 b6ec5d8f b6e4c7e6 800e0030 00000001 00000000 00000000 <0>[ 63.436612] Backtrace: <0>[ 63.439343] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 63.447188] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 63.455471] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 63.463662] r9:c5fedf60 r8:c5313cc0 r7:00000004 r6:b6e14000 r5:c6807900 r4:c0c57e4c <0>[ 63.471686] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 63.479788] r9:c07e1b5c r8:c5fedf60 r7:c2815800 r6:b6e14000 r5:c6807900 r4:00000000 <0>[ 63.487805] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 63.495212] r10:00000004 r9:00000000 r8:00000000 r7:b6e14000 r6:c5fec000 r5:c6807900 <0>[ 63.503308] r4:c6807900 <0>[ 63.506116] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 63.513525] r9:c5fec000 r8:c03002e4 r7:00000004 r6:b6f5be00 r5:00000004 r4:00000004 <0>[ 63.521543] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 63.529380] Exception stack(0xc5fedfa8 to 0xc5fedff0) <0>[ 63.534702] dfa0: 00000004 00000004 00000001 b6e14000 00000004 00000000 <0>[ 63.543151] dfc0: 00000004 00000004 b6f5be00 00000004 00000001 00000000 00020000 bee5dac4 <0>[ 63.551596] dfe0: 00000004 bee5d7f8 b6ec5d8f b6e4c7e6 <0>[ 63.556921] Code: e92dd800 e24cb004 e52de004 e8bd4000 (e7f001f2) <4>[ 63.563290] ---[ end trace d6e76fda740c8d2f ]--- <3>[ 63.568179] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 63.577319] in_atomic(): 0, irqs_disabled(): 128, non_block: 0, pid: 710, name: cat <4>[ 63.585242] INFO: lockdep is turned off. <4>[ 63.589430] irq event stamp: 1600 <4>[ 63.593027] hardirqs last enabled at (1599): [] console_unlock+0x4b0/0x6c0 <4>[ 63.601132] hardirqs last disabled at (1600): [] __und_svc+0x60/0x6c <4>[ 63.608628] softirqs last enabled at (1380): [] __do_softirq+0x36c/0x5a0 <4>[ 63.616558] softirqs last disabled at (1371): [] __irq_exit_rcu+0x178/0x1d0 <4>[ 63.624661] CPU: 0 PID: 710 Comm: cat Tainted: G D 5.10.206-cip41 #1 <4>[ 63.632584] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 63.639376] Backtrace: <4>[ 63.642110] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 63.649952] r7:ffffffff r6:600e0093 r5:00000000 r4:c1f1d0b8 <4>[ 63.655887] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 63.663476] [] (dump_stack) from [] (___might_sleep+0x188/0x2e0) <4>[ 63.671493] r9:600e0093 r8:0000000b r7:c035c468 r6:00000031 r5:c19d199c r4:c5fec000 <4>[ 63.679510] [] (___might_sleep) from [] (__might_sleep+0x70/0xb0) <4>[ 63.687608] r6:00000000 r5:00000031 r4:c19d199c <4>[ 63.692506] [] (__might_sleep) from [] (exit_signals+0x4c/0x420) <4>[ 63.700518] r6:00000001 r5:c5fec000 r4:c5cc0d80 <4>[ 63.705418] [] (exit_signals) from [] (do_exit+0x100/0xafc) <4>[ 63.712999] r8:0000000b r7:c1e1cb0c r6:ffffe000 r5:00000000 r4:c5cc0d80 <4>[ 63.719977] [] (do_exit) from [] (make_task_dead+0x68/0x74) <4>[ 63.727554] r7:c1e1cb0c <4>[ 63.730366] [] (make_task_dead) from [] (die+0x370/0x37c) <4>[ 63.737773] [] (die) from [] (do_undefinstr+0x170/0x240) <4>[ 63.745094] r10:00000004 r9:c5fec000 r8:c15ebd0c r7:00000000 r6:c5feddc8 r5:c0c57fec <4>[ 63.753190] r4:e7f001f2 <4>[ 63.755998] [] (do_undefinstr) from [] (__und_svc_finish+0x0/0x54) <4>[ 63.764182] Exception stack(0xc5feddc8 to 0xc5fede10) <4>[ 63.769505] ddc0: c15ebd14 ef7815e0 74b1e6f4 c0c57fd8 00000001 c59b6000 <4>[ 63.777955] dde0: 00000004 c5fedf60 c15ebd0c c1ad573c 00000004 c5fede64 c5fede68 c5fede58 <4>[ 63.786401] de00: c0c57a6c c0c57fec a00e0013 ffffffff <4>[ 63.791722] r7:c5feddfc r6:ffffffff r5:a00e0013 r4:c0c57ff0 <4>[ 63.797656] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 63.805499] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 63.813778] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 63.821967] r9:c5fedf60 r8:c5313cc0 r7:00000004 r6:b6e14000 r5:c6807900 r4:c0c57e4c <4>[ 63.829988] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 63.838090] r9:c07e1b5c r8:c5fedf60 r7:c2815800 r6:b6e14000 r5:c6807900 r4:00000000 <4>[ 63.846106] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 63.853513] r10:00000004 r9:00000000 r8:00000000 r7:b6e14000 r6:c5fec000 r5:c6807900 <4>[ 63.861609] r4:c6807900 <4>[ 63.864416] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 63.871824] r9:c5fec000 r8:c03002e4 r7:00000004 r6:b6f5be00 r5:00000004 r4:00000004 <4>[ 63.879841] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 63.887677] Exception stack(0xc5fedfa8 to 0xc5fedff0) <4>[ 63.892999] dfa0: 00000004 00000004 00000001 b6e14000 00000004 00000000 <4>[ 63.901448] dfc0: 00000004 00000004 b6f5be00 00000004 00000001 00000000 00020000 bee5dac4 <4>[ 63.909894] dfe0: 00000004 bee5d7f8 b6ec5d8f b6e4c7e6 # Segmentation fault # [ 63.190817] lkdtm: Performing direct entry BUG # [ 63.195846] ------------[ cut here ]------------ # [ 63.200738] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 63.206233] Internal error: Oops - BUG: 0 [#1] SMP ARM # [ 63.211641] 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 dw_hdmi_imx dw_hdmi parallel_display caam error imx_ldb imxdrm flexcan can_dev etnaviv gpu_sched imx_ipu_v3 # [ 63.240979] CPU: 0 PID: 710 Comm: cat Not tainted 5.10.206-cip41 #1 # [ 63.247517] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 63.254323] PC is at lkdtm_BUG+0x14/0x18 # [ 63.258519] LR is at lkdtm_do_action+0x2c/0x4c # [ 63.263232] pc : [] lr : [] psr: a00e0013 # [ 63.269767] sp : c5fede58 ip : c5fede68 fp : c5fede64 # [ 63.275261] r10: 00000004 r9 : c1ad573c r8 : c15ebd0c # [ 63.280754] r7 : c5fedf60 r6 : 00000004 r5 : c59b6000 r4 : 00000001 # [ 63.287549] r3 : c0c57fd8 r2 : 74b1e6f4 r1 : ef7815e0 r0 : c15ebd14 # [ 63.294347] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 63.301750] Control: 10c5387d Table: 16ba004a DAC: 00000051 # [ 63.307766] Process cat (pid: 710, stack limit = 0x99b0d68d) # [ 63.313695] Stack: (0xc5fede58 to 0xc5fee000) # [ 63.318324] de40: c5fede74 c5fede68 # [ 63.326774] de60: c0c57a6c c0c57fe4 c5fede9c c5fede78 c0c57f6c c0c57a4c c0c57e4c c6807900 # [ 63.335223] de80: b6e14000 00000004 c5313cc0 c5fedf60 c5fedec4 c5fedea0 c07e1bc0 c0c57e58 # [ 63.343672] dea0: 00000000 c6807900 b6e14000 c2815800 c5fedf60 c07e1b5c c5fedf5c c5fedec8 # [ 63.352122] dec0: c059baac c07e1b68 00000001 00000000 c059c058 c13dd878 c059c058 c5fec000 # [ 63.360571] dee0: b6e14000 00020000 00000004 00000004 0001fffc c5fedee0 00000001 b6e13000 # [ 63.369020] df00: c68fc000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 63.377471] df20: 00000000 00000000 c13dd878 74b1e6f4 c206c120 c6807900 c6807900 c5fec000 # [ 63.385922] df40: b6e14000 00000000 00000000 00000004 c5fedf94 c5fedf60 c059c058 c059b9ac # [ 63.394371] df60: 00000000 00000000 c5fedfac 74b1e6f4 00000004 00000004 b6f5be00 00000004 # [ 63.402820] df80: c03002e4 c5fec000 c5fedfa4 c5fedf98 c059c0e8 c059bff0 00000000 c5fedfa8 # [ 63.411268] dfa0: c03000c0 c059c0dc 00000004 00000004 00000001 b6e14000 00000004 00000000 # [ 63.419720] dfc0: 00000004 00000004 b6f5be00 00000004 00000001 00000000 00020000 bee5dac4 # [ 63.428168] dfe0: 00000004 bee5d7f8 b6ec5d8f b6e4c7e6 800e0030 00000001 00000000 00000000 # [ 63.436612] Backtrace: # [ 63.439343] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) # [ 63.447188] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 63.455471] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 63.463662] r9:c5fedf60 r8:c5313cc0 r7:00000004 r6:b6e14000 r5:c6807900 r4:c0c57e4c # [ 63.471686] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 63.479788] r9:c07e1b5c r8:c5fedf60 r7:c2815800 r6:b6e14000 r5:c6807900 r4:00000000 # [ 63.487805] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 63.495212] r10:00000004 r9:00000000 r8:00000000 r7:b6e14000 r6:c5fec000 r5:c6807900 # [ 63.503308] r4:c6807900 # [ 63.506116] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 63.513525] r9:c5fec000 r8:c03002e4 r7:00000004 r6:b6f5be00 r5:00000004 r4:00000004 # [ 63.521543] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 63.529380] Exception stack(0xc5fedfa8 to 0xc5fedff0) # [ 63.534702] dfa0: 00000004 00000004 00000001 b6e14000 00000004 00000000 # [ 63.543151] dfc0: 00000004 00000004 b6f5be00 00000004 00000001 00000000 00020000 bee5dac4 # [ 63.551596] dfe0: 00000004 bee5d7f8 b6ec5d8f b6e4c7e6 # [ 63.556921] Code: e92dd800 e24cb004 e52de004 e8bd4000 (e7f001f2) # [ 63.563290] ---[ end trace d6e76fda740c8d2f ]--- # [ 63.568179] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 63.577319] in_atomic(): 0, irqs_disabled(): 128, non_block: 0, pid: 710, name: cat # [ 63.585242] INFO: lockdep is turned off. # [ 63.589430] irq event stamp: 1600 # [ 63.593027] hardirqs last enabled at (1599): [] console_unlock+0x4b0/0x6c0 # [ 63.601132] hardirqs last disabled at (1600): [] __und_svc+0x60/0x6c # [ 63.608628] softirqs last enabled at (1380): [] __do_softirq+0x36c/0x5a0 # [ 63.616558] softirqs last disabled at (1371): [] __irq_exit_rcu+0x178/0x1d0 # [ 63.624661] CPU: 0 PID: 710 Comm: cat Tainted: G D 5.10.206-cip41 #1 # [ 63.632584] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 63.639376] Backtrace: # [ 63.642110] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 63.649952] r7:ffffffff r6:600e0093 r5:00000000 r4:c1f1d0b8 # [ 63.655887] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 63.663476] [] (dump_stack) from [] (___might_sleep+0x188/0x2e0) # [ 63.671493] r9:600e0093 r8:0000000b r7:c035c468 r6:00000031 r5:c19d199c<6>[ 64.504112] lkdtm: Performing direct entry WARNING r4:c5fec000 # [ 63.679510] [<<4>[ 64.510519] ------------[ cut here ]------------ c038f984>] (___might_sleep) from <4>[ 64.518216] WARNING: CPU: 1 PID: 782 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x48/0x4c [] (__might_sleep+0x70/<4>[ 64.529836] 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 dw_hdmi_imx dw_hdmi parallel_display caam error imx_ldb imxdrm flexcan can_dev etnaviv gpu_sched imx_ipu_v3 0xb0) # [ 63.687608] r6:00000<4>[ 64.561771] CPU: 1 PID: 782 Comm: cat Tainted: G D W 5.10.206-cip41 #1 000 r5:00000031 r4:c19d199c # [ <4>[ 64.572496] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 63.692506] [] (__migh<4>[ 64.582147] Backtrace: t_sleep) from [] (exit_<4>[ 64.587731] [] (dump_backtrace) from [] (show_stack+0x20/0x24) signals+0x4c/0x420) # [ 63.700<4>[ 64.598414] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 518] r6:00000001 r5:c5fec000 r4:<4>[ 64.607201] [] (show_stack) from [] (dump_stack+0xe0/0x100) c5cc0d80 # [ 63.705418] [[ 64.617634] [] (dump_stack) from [] (__warn+0x98/0x14c) da1c>] (exit_signals) from [[ 64.627713] r9:00000009 r8:c0c58038 r7:00000053 r6:00000009 r5:c0c58038 r4:c1ad5df8 c468>] (do_exit+0x100/0xafc) # [<4>[ 64.638580] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) 63.712999] r8:0000000b r7:c1e<4>[ 64.649181] r7:00000053 r6:c1ad5df8 r5:00000000 r4:c6b5e000 1cb0c r6:ffffe000 r5:00000000 r4:<4>[ 64.657969] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING+0x48/0x4c) c5cc0d80 # [ 63.719977] [[ 64.669175] r9:c1ad5740 r8:c15ebd0c r7:c6b5ff60 r6:00000008 r5:c5e09000 r4:00000002 c368>] (do_exit) from [<4>[ 64.680043] [] (lkdtm_WARNING) from [] (lkdtm_do_action+0x2c/0x4c) ] (make_task_dead+0x68/0x74) # [<4>[ 64.691081] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) 63.727554] r7:c1e1cb0c # [ <4>[ 64.702215] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) 63.730366] [] (make_ta<4>[ 64.713245] r9:c6b5ff60 r8:c5313cc0 r7:00000008 r6:b6e80000 r5:c5a11040 r4:c0c57e4c sk_dead) from [] (die+0<4>[ 64.724118] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) x370/0x37c) # [ 63.737773] [[ 64.735064] r9:c07e1b5c r8:c6b5ff60 r7:c2815800 r6:b6e80000 r5:c5a11040 r4:00000000 030e5d0>] (die) from []<4>[ 64.745929] [] (vfs_write) from [] (ksys_write+0x74/0xec) (do_undefinstr+0x170/0x240) # [<4>[ 64.756185] r10:00000004 r9:00000000 r8:00000000 r7:b6e80000 r6:c6b5e000 r5:c5a11040 63.745094] r10:00000004 r9:c5<4>[ 64.767133] r4:c5a11040 fec000 r8:c15ebd0c r7:00000000 r6<4>[ 64.772797] [] (ksys_write) from [] (sys_write+0x18/0x1c) :c5feddc8 r5:c0c57fec # [ 63.7<4>[ 64.783051] r9:c6b5e000 r8:c03002e4 r7:00000004 r6:b6fc7e00 r5:00000008 r4:00000008 53190] r4:e7f001f2 # [ 63.755<4>[ 64.793920] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) 998] [] (do_undefinstr)<4>[ 64.804603] Exception stack(0xc6b5ffa8 to 0xc6b5fff0) from [] (__und_svc_fin<4>[ 64.812783] ffa0: 00000008 00000008 00000001 b6e80000 00000008 00000000 ish+0x0/0x54) # [ 63.764182] E<4>[ 64.824083] ffc0: 00000008 00000008 b6fc7e00 00000004 00000001 00000000 00020000 bee26ac4 xception stack(0xc5feddc8 to 0xc5<4>[ 64.835378] ffe0: 00000004 bee267f8 b6f31d8f b6eb87e6 fede10) # [ 63.769505] ddc0: <4>[ 64.843623] irq event stamp: 0 c15ebd14 ef7815e<4>[ 64.849764] hardirqs last enabled at (0): [<00000000>] 0x0 0 74b1e6f4 c0c57fd8 00000001 c59b<4>[ 64.858437] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac 6000 # [ 63.777955] dde0: 0000<4>[ 64.869082] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac 0004 c5fedf60 c15ebd0c c1ad573c 0<4>[ 64.879671] softirqs last disabled at (0): [<00000000>] 0x0 0000004 c5fede64 c5fede68 c5fede5<4>[ 64.888355] ---[ end trace d6e76fda740c8d30 ]--- 8 # [ 63.786401] de00: c0c57a6c c0c57fec a00e0013 ffffffff # [ 63.791722] r7:c5feddfc r6:ffffffff r5:a00e0013 r4:c0c57ff0 # [ 63.797656] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) # [ 63.805499] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 63.813778] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 63.821967] r9:c5fedf60 r8:c5313cc0 r7:00000004 r6:b6e14000 r5:c6807900 r4:c0c57e4c # [ 63.829988] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 63.838090] r9:c07e1b5c r8:c5fedf60 r7:c2815800 r6:b6e14000 r5:c6807900 r4:00000000 # [ 63.846106] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 63.853513] r10:00000004 r9:00000000 r8:00000000 r7:b6e14000 r6:c5fec000 r5:c6807900 # [ 63.861609] r4:c6807900 # [ 63.864416] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 63.871824] r9:c5fec000 r8:c03002e4 r7:00000004 r6:b6f5be00 r5:00000004 r4:00000004 # [ 63.879841] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 63.887677] Exception stack(0xc5fedfa8 to 0xc5fedff0) # [ 63.892999] dfa0: 00000004 00000004 00000001 b6e14000 00000004 00000000 # [ 63.901448] dfc0: 00000004 00000004 b6f5be00 00000004 00000001 00000000 00020000 bee5dac4 # [ 63.909894] dfe0: 00000004 bee5d7f8 b6ec5d8f b6e4c7e6 # BUG: saw 'kernel BUG at': ok ok 2 selftests: lkdtm: BUG.sh # selftests: lkdtm: WARNING.sh # [ 64.504112] lkdtm: Performing direct entry WARNING # [ 64.510519] ------------[ cut here ]------------ # [ 64.518216] WARNING: CPU: 1 PID: 782 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x48/0x4c # [ 64.529836] 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 dw_hdmi_imx dw_hdmi parallel_display caam error imx_ldb imxdrm flexcan can_dev etnaviv gpu_sched imx_ipu_v3 # [ 64.561771] CPU: 1 PID: 782 Comm: cat Tainted: G D W 5.10.206-cip41 #1 # [ 64.572496] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 64.582147] Backtrace: # [ 64.587731] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 64.598414] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 64.607201] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 64.617634] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 64.627713] r9:00000009 r8:c0c58038 r7:00000053 r6:00000009 r5:c0c58038 r4:c1ad5df8 # [ 64.638580] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 64.649181] r7:00000053 r6:c1ad5df8 r5:00000000 r4:c6b5e000 # [ 64.657969] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING+0x48/0x4c) # [ 64.669175] r9:c1ad5740 r8:c15ebd0c r7:c6b5ff60 r6:00000008 r5:c5e09000 r4:00000002 # [ 64.680043] [] (lkdtm_WARNING) from [] (lkdtm_do_action+0x2c/0x4c) # [ 64.691081] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 64.702215] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 64.713245] r9:c6b5ff60 r8:c5313cc0 r7:00000008 r6:b6e80000 r5:c5a11040 r4:c0c57e4c # [ 64.724118] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 64.735064] r9:c07e1b5c r8:c6b5ff60 r7:c2815800 r6:b6e80000 r5:c5a11040 r4:00000000 # [ 64.745929] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 64.756185] r10:00000004 r9:00000000 r8:00000000 r7:b6e80000 r6:c6b5e000 r5:c5a11040 # [ 64.767133] r4:c5a11040 # [ 64.772797] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 64.783051] r9:c6b5e000 r8:c03002e4 r7:00000004 r6:b6fc7e00 r5:00000008 r4:00000008 # [ 64.793920] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 64.804603] Exception stack(0xc6b5ffa8 to 0xc6b5fff0) # [ 64.812783] ffa0: 00000008 00000008 00000001 b6e80000 00000008 00000000 # [ 64.824083] ffc0: 00000008 00000008 b6fc7e00 00000004 00000001 00000000 00020000 bee26ac4 # [ 64.835378] ffe0: 00000004 bee267f8 b6f31d8f b6eb87e6 # [ 64.843623] irq event stamp: 0 # [ 64.849764] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 64.858437] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 64.869082] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 64.879671] softirqs last disabled at<6>[ 65.303488] lkdtm: Performing direct entry WARNING_MESSAGE (0): [<00000000>] 0x0 # [ 64.<4>[ 65.311086] ------------[ cut here ]------------ 888355] ---[ end trace d6e76fda74<4>[ 65.318781] WARNING: CPU: 1 PID: 818 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x4c/0x54 0c8d30 ]--- # WARNING: saw 'WARN<4>[ 65.331089] Warning message trigger count: 2 ING:': ok ok 3 selftests: lkdtm:<4>[ 65.338410] 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 dw_hdmi_imx dw_hdmi parallel_display caam error imx_ldb imxdrm flexcan can_dev etnaviv gpu_sched imx_ipu_v3 WARNING.sh # selftests: lkdtm: <4>[ 65.370425] CPU: 1 PID: 818 Comm: cat Tainted: G D W 5.10.206-cip41 #1 WARNING_MESSAGE.sh <4>[ 65.381149] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 65.389670] Backtrace: <4>[ 65.392409] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 65.400252] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 <4>[ 65.406188] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 65.413778] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 65.421014] r9:00000009 r8:c0c58088 r7:00000058 r6:00000009 r5:c0c58088 r4:c1ad5df8 <4>[ 65.429031] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 65.436784] r7:00000058 r6:c1ad5df8 r5:c1ad5e14 r4:c5f1a000 <4>[ 65.442719] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING_MESSAGE+0x4c/0x54) <4>[ 65.451777] r9:c1ad5748 r8:c15ebd0c r7:c5f1bf60 r6:00000010 r5:c5b14000 r4:00000003 <4>[ 65.459795] [] (lkdtm_WARNING_MESSAGE) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 65.468680] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 65.476964] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 65.485152] r9:c5f1bf60 r8:c5313cc0 r7:00000010 r6:b6eab000 r5:c5a9b040 r4:c0c57e4c <4>[ 65.493176] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 65.501277] r9:c07e1b5c r8:c5f1bf60 r7:c2815800 r6:b6eab000 r5:c5a9b040 r4:00000000 <4>[ 65.509294] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 65.516700] r10:00000004 r9:00000000 r8:00000000 r7:b6eab000 r6:c5f1a000 r5:c5a9b040 <4>[ 65.524798] r4:c5a9b040 <4>[ 65.527605] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 65.535014] r9:c5f1a000 r8:c03002e4 r7:00000004 r6:b6ff2e00 r5:00000010 r4:00000010 <4>[ 65.543033] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 65.550871] Exception stack(0xc5f1bfa8 to 0xc5f1bff0) <4>[ 65.556197] bfa0: 00000010 00000010 00000001 b6eab000 00000010 00000000 <4>[ 65.564649] bfc0: 00000010 00000010 b6ff2e00 00000004 00000001 00000000 00020000 bedc7ac4 <4>[ 65.573095] bfe0: 00000004 bedc77f8 b6f5cd8f b6ee37e6 <4>[ 65.578478] irq event stamp: 0 <4>[ 65.581842] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 65.587701] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 65.595554] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 65.603378] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 65.609263] ---[ end trace d6e76fda740c8d31 ]--- # [ 65.303488] lkdtm: Performing direct entry WARNING_MESSAGE # [ 65.311086] ------------[ cut here ]------------ # [ 65.318781] WARNING: CPU: 1 PID: 818 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x4c/0x54 # [ 65.331089] Warning message trigger count: 2 # [ 65.338410] 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 dw_hdmi_imx dw_hdmi parallel_display caam error imx_ldb imxdrm flexcan can_dev etnaviv gpu_sched imx_ipu_v3 # [ 65.370425] CPU: 1 PID: 818 Comm: cat Tainted: G D W 5.10.206-cip41 #1 # [ 65.381149] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 65.389670] Backtrace: # [ 65.392409] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 65.400252] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 65.406188] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 65.413778] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 65.421014] r9:00000009 r8:c0c58088 r7:00000058 r6:00000009 r5:c0c58088 r4:c1ad5df8 # [ 65.429031] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 65.436784] r7:00000058 r6:c1ad5df8 r5:c1ad5e14 r4:c5f1a000 # [ 65.442719] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING_MESSAGE+0x4c/0x54) # [ 65.451777] r9:c1ad5748 r8:c15ebd0c r7:c5f1bf60 r6:00000010 r5:c5b14000 r4:00000003 # [ 65.459795] [] (lkdtm_WARNING_MESSAGE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 65.468680] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 65.476964] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 65.485152] r9:c5f1bf60 r8:c5313cc0 r7:00000010 r6:b6eab000 r5:c5a9b040 r4:c0c57e4c # [ 65.493176] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 65.501277] r9:c07e1b5c r8:c5f1bf60 r7:c2815800 r6:b6eab000 r5:c5a9b040 r4:00000000 # [ 65.509294] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 65.516700] r10:00000004 r9:00000000 r8:00000000 r7:b6eab000 r6:c5f1a000 r5:c5a9b040 # [ 65.524798] r4:c5a9b040 # [ 65.527605] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 65.535014] r9:c5f1a000 r8:c03002e4 r7:00000004 r6:b6ff2e00 r5:00000010 r4:00000010 # [ 65.543033] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 65.550871] Exception stack(0xc5f1bfa8 to 0xc5f1bff0) # [ 65.556197] bfa0: 00000010 00000010 00000001 b6eab000 00000010 00000000 # [ 65.564649] bfc0: 00000010 00000010 b6ff2e00 00000004 00000001 00000000 00020000 bedc7ac4 # [ 65.573095] bfe0: 00000004 bedc77f8 b6f5cd8f b6ee37e6 # [ 65.578478] irq event stamp: 0 # [ 65.581842] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 65.587701] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 65.595554] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 65.603378] softirqs last disabled at (0): [<00000000>] 0x0 # [ 65.609263] ---[ end trace d6e76fda740c8d31 ]--- # WARNING_MESSAGE: saw 'message trigger': ok ok 4 selftests: lkdtm: WARNING_MESSAGE.sh # selftests: lkdtm: EXCEPTION.sh <6>[ 66.002490] lkdtm: Performing direct entry EXCEPTION <1>[ 66.007750] 8<--- cut here --- <1>[ 66.011181] Unable to handle kernel NULL pointer dereference at virtual address 00000000 <1>[ 66.020878] pgd = 66c363a8 <1>[ 66.024189] [00000000] *pgd=00000000 <0>[ 66.028056] Internal error: Oops: 805 [#2] SMP ARM <4>[ 66.033119] 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 dw_hdmi_imx dw_hdmi parallel_display caam error imx_ldb imxdrm flexcan can_dev etnaviv gpu_sched imx_ipu_v3 <4>[ 66.062430] CPU: 0 PID: 851 Comm: cat Tainted: G D W 5.10.206-cip41 #1 <4>[ 66.070356] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 66.077163] PC is at lkdtm_EXCEPTION+0x18/0x20 <4>[ 66.081879] LR is at lkdtm_do_action+0x2c/0x4c <4>[ 66.086593] pc : [] lr : [] psr: a00e0013 <4>[ 66.093130] sp : c58efe58 ip : c58efe68 fp : c58efe64 <4>[ 66.098623] r10: 0000000a r9 : c1ad5758 r8 : c15ebd0c <4>[ 66.104116] r7 : c58eff60 r6 : 0000000a r5 : c5a24000 r4 : 00000004 <4>[ 66.110910] r3 : 00000000 r2 : 4388b5bb r1 : ef7815e0 r0 : c15ebd2c <4>[ 66.117707] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 66.125113] Control: 10c5387d Table: 16d8004a DAC: 00000051 <0>[ 66.131131] Process cat (pid: 851, stack limit = 0x9c9c275d) <0>[ 66.137061] Stack: (0xc58efe58 to 0xc58f0000) <0>[ 66.141689] fe40: c58efe74 c58efe68 <0>[ 66.150140] fe60: c0c57a6c c0c5809c c58efe9c c58efe78 c0c57f6c c0c57a4c c0c57e4c c6899900 <0>[ 66.158590] fe80: b6e6a000 0000000a c5313cc0 c58eff60 c58efec4 c58efea0 c07e1bc0 c0c57e58 <0>[ 66.167039] fea0: 00000000 c6899900 b6e6a000 c2815800 c58eff60 c07e1b5c c58eff5c c58efec8 <0>[ 66.175489] fec0: c059baac c07e1b68 00000001 00000000 c059c058 c13dd878 c059c058 c58ee000 <0>[ 66.183938] fee0: b6e6a000 00020000 00000004 0000000a 0001fff6 c58efee0 00000001 b6e69000 <0>[ 66.192387] ff00: c5b1f2c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 66.200839] ff20: 00000000 00000000 c13dd878 4388b5bb c206c120 c6899900 c6899900 c58ee000 <0>[ 66.209289] ff40: b6e6a000 00000000 00000000 00000004 c58eff94 c58eff60 c059c058 c059b9ac <0>[ 66.217738] ff60: 00000000 00000000 c58effac 4388b5bb 0000000a 0000000a b6fb1e00 00000004 <0>[ 66.226189] ff80: c03002e4 c58ee000 c58effa4 c58eff98 c059c0e8 c059bff0 00000000 c58effa8 <0>[ 66.234636] ffa0: c03000c0 c059c0dc 0000000a 0000000a 00000001 b6e6a000 0000000a 00000000 <0>[ 66.243086] ffc0: 0000000a 0000000a b6fb1e00 00000004 00000001 00000000 00020000 beb14ac4 <0>[ 66.251536] ffe0: 00000004 beb147f8 b6f1bd8f b6ea27e6 800e0030 00000001 00000000 00000000 <0>[ 66.259979] Backtrace: <0>[ 66.262710] [] (lkdtm_EXCEPTION) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 66.271077] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 66.279363] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 66.287553] r9:c58eff60 r8:c5313cc0 r7:0000000a r6:b6e6a000 r5:c6899900 r4:c0c57e4c <0>[ 66.295577] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 66.303679] r9:c07e1b5c r8:c58eff60 r7:c2815800 r6:b6e6a000 r5:c6899900 r4:00000000 <0>[ 66.311695] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 66.319103] r10:00000004 r9:00000000 r8:00000000 r7:b6e6a000 r6:c58ee000 r5:c6899900 <0>[ 66.327199] r4:c6899900 <0>[ 66.330007] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 66.337414] r9:c58ee000 r8:c03002e4 r7:00000004 r6:b6fb1e00 r5:0000000a r4:0000000a <0>[ 66.345434] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 66.353270] Exception stack(0xc58effa8 to 0xc58efff0) <0>[ 66.358592] ffa0: 0000000a 0000000a 00000001 b6e6a000 0000000a 00000000 <0>[ 66.367040] ffc0: 0000000a 0000000a b6fb1e00 00000004 00000001 00000000 00020000 beb14ac4 <0>[ 66.375486] ffe0: 00000004 beb147f8 b6f1bd8f b6ea27e6 <0>[ 66.380810] Code: e24cb004 e52de004 e8bd4000 e3a03000 (e5833000) <4>[ 66.387234] ---[ end trace d6e76fda740c8d32 ]--- # Segmentation fault # [ 66.002490] lkdtm: Performing direct entry EXCEPTION # [ 66.007750] 8<--- cut here --- # [ 66.011181] Unable to handle kernel NULL pointer dereference at virtual address 00000000 # [ 66.020878] pgd = 66c363a8 # [ 66.024189] [00000000] *pgd=00000000 # [ 66.028056] Internal error: Oops: 805 [#2] SMP ARM # [ 66.033119] 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 dw_hdmi_imx dw_hdmi parallel_display caam error imx_ldb imxdrm flexcan can_dev etnaviv gpu_sched imx_ipu_v3 # [ 66.062430] CPU: 0 PID: 851 Comm: cat Tainted: G D W 5.10.206-cip41 #1 # [ 66.070356] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 66.077163] PC is at lkdtm_EXCEPTION+0x18/0x20 # [ 66.081879] LR is at lkdtm_do_action+0x2c/0x4c # [ 66.086593] pc : [] lr : [] psr: a00e0013 # [ 66.093130] sp : c58efe58 ip : c58efe68 fp : c58efe64 # [ 66.098623] r10: 0000000a r9 : c1ad5758 r8 : c15ebd0c # [ 66.104116] r7 : c58eff60 r6 : 0000000a r5 : c5a24000 r4 : 00000004 # [ 66.110910] r3 : 00000000 r2 : 4388b5bb r1 : ef7815e0 r0 : c15ebd2c # [ 66.117707] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 66.125113] Control: 10c5387d Table: 16d8004a DAC: 00000051 # [ 66.131131] Process cat (pid: 851, stack limit = 0x9c9c275d) # [ 66.137061] Stack: (0xc58efe58 to 0xc58f0000) # [ 66.141689] fe40: c58efe74 c58efe68 # [ 66.150140] fe60: c0c57a6c c0c5809c c58efe9c c58efe78 c0c57f6c c0c57a4c c0c57e4c c6899900 # [ 66.158590] fe80: b6e6a000 0000000a c5313cc0 c58eff60 c58efec4 c58efea0 c07e1bc0 c0c57e58 # [ 66.167039] fea0: 00000000 c6899900 b6e6a000 c2815800 c58eff60 c07e1b5c c58eff5c c58efec8 # [ 66.175489] fec0: c059baac c07e1b68 00000001 00000000 c059c058 c13dd878 c059c058 c58ee000 # [ 66.183938] fee0: b6e6a000 00020000 00000004 0000000a 0001fff6 c58efee0 00000001 b6e69000 # [ 66.192387] ff00: c5b1f2c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 66.200839] ff20: 00000000 00000000 c13dd878 4388b5bb c206c120 c6899900 c6899900 c58ee000 # [ 66.209289] ff40: b6e6a000 00000000 00000000 00000004 c58eff94 c58eff60 c059c058 c059b9ac # [ 66.217738] ff60: 00000000 00000000 c58effac 4388b5bb 0000000a 0000000a b6fb1e00 00000004 # [ 66.226189] ff80: c03002e4 c58ee000 c58effa4 c58eff98 c059c0e8 c059bff0 00000000 c58effa8 # [ 66.234636] ffa0: c03000c0 c059c0dc 0000000a 0000000a 00000001 b6e6a000 0000000a 00000000 # [ 66.243086] ffc0: 0000000a 0000000a b6fb1e00 00000004 00000001 00000000 00020000 beb14ac4 # [ 66.251536] ffe0: 00000004 beb147f8 b6f1bd8f b6ea27e6 800e0030 00000001 00000000 00000000 # [ 66.259979] Backtrace: # [ 66.262710] [] (lkdtm_EXCEPTION) from [] (lkdtm_do_action+0x2c/0x4c) # [ 66.271077] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 66.279363] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 66.287553] r9:c58eff60 r8:c5313cc0 r7:0000000a r6:b6e6a000 r5:c6899900 r4:c0c57e4c # [ 66.295577] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 66.303679] r9:c07e1b5c r8:c58eff60 r7:c2815800 r6:b6e6a000 r5:c6899900 r4:00000000 # [ 66.311695] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 66.319103] r10:00000004 r9:00000000 r8:00000000 r7:b6e6a000 r6:c58ee000 r5:c6899900 # [ 66.327199] r4:c6899900 # [ 66.330007] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 66.337414] r9:c58ee000 r8:c03002e4 r7:00000004 r6:b6fb1e00 r5:0000000a r4:0000000a # [ 66.345434] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 66.353270] Exception stack(0xc58effa8 to 0xc58efff0) # [ 66.358592] ffa0: 0000000a 0000000a 00000001 b6e6a000 0000000a 00000000 # [ 66.367040] ffc0: 0000000a 0000000a b6fb1e00 00000004 00000001 00000000 00020000 beb14ac4 # [ 66.375486] ffe0: 00000004 beb147f8 b6f1bd8f b6ea27e6 # [ 66.380810] Code: e24cb004 e52de004 e8bd4000 e3a03000 (e5833000) # [ 66.387234] ---[ end trace d6e76fda740c8d32 ]--- # 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>[ 67.790860] lkdtm: Performing direct entry CORRUPT_LIST_ADD <6>[ 67.796742] lkdtm: attempting good list addition <6>[ 67.801789] lkdtm: attempting corrupted list addition <3>[ 67.807138] lkdtm: list_add() corruption not detected! # [ 67.790860] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 67.796742] lkdtm: attempting good list addition # [ 67.801789] lkdtm: attempting corrupted list addition # [ 67.807138] 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>[ 68.235961] lkdtm: Performing direct entry CORRUPT_LIST_DEL <6>[ 68.241886] lkdtm: attempting good list removal <6>[ 68.246692] lkdtm: attempting corrupted list removal <3>[ 68.251989] lkdtm: list_del() corruption not detected! # [ 68.235961] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 68.241886] lkdtm: attempting good list removal # [ 68.246692] lkdtm: attempting corrupted list removal # [ 68.251989] 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>[ 68.652580] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING <6>[ 68.659257] lkdtm: attempting bad read from page below current stack <3>[ 68.665910] lkdtm: FAIL: accessed page before stack! (byte: 0) # [ 68.652580] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 68.659257] lkdtm: attempting bad read from page below current stack # [ 68.665910] 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>[ 69.083639] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING <6>[ 69.090327] lkdtm: attempting bad read from page above current stack <3>[ 69.096955] lkdtm: FAIL: accessed page after stack! (byte: 0) # [ 69.083639] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING # [ 69.090327] lkdtm: attempting bad read from page above current stack # [ 69.096955] lkdtm: FAIL: accessed page after stack! (byte: 0) # STACK_GUARD_PAGE_TRAILING: missing 'call trace:': [FAIL] not ok 13 selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # exit=1 # selftests: lkdtm: UNSET_SMEP.sh <6>[ 69.536125] lkdtm: Performing direct entry UNSET_SMEP <3>[ 69.541527] lkdtm: XFAIL: this test is x86_64-only <4>[ 69.601958] panel-simple panel-lvds0: supply power not found, using dummy regulator <4>[ 69.627949] panel-simple panel-lcd: supply power not found, using dummy regulator # [ 69.536125] lkdtm: Performin<4>[ 69.636562] panel-simple panel-lcd: Specify missing connector_type g direct entry UNSET_SMEP # [ 69.541527] lkdtm: XFAIL: this test is x86_64-only <6>[ 69.654602] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) <6>[ 69.663396] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) # UNSET_SMEP: saw 'XFAIL': [SKIP]<6>[ 69.672132] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) <6>[ 69.683455] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) ok 14 selftests: lkdtm: UNSET_SME<6>[ 69.697022] platform panel-lvds0: deferred probe pending P.sh # SKIP <6>[ 69.705366] platform backlight-lcd: deferred probe pending <6>[ 69.712202] platform backlight-lvds: deferred probe pending <6>[ 69.718068] platform panel-lcd: deferred probe pending # selftests: d[t m : 6D9O.U23534] platform 120000.hdmi: deferred probe pending BLE_FAULT.sh <6>[ 69.959507] lkdtm: Performing direct entry DOUBLE_FAULT <3>[ 69.965042] lkdtm: XFAIL: this test is ia32-only # [ 69.959507] lkdtm: Performing direct entry DOUBLE_FAULT # [ 69.965042] 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>[ 70.363740] lkdtm: Performing direct entry CORRUPT_PAC <3>[ 70.369223] lkdtm: XFAIL: this test is arm64-only # [ 70.363740] lkdtm: Performing direct entry CORRUPT_PAC # [ 70.369223] 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>[ 70.802114] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE <3>[ 70.808842] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS # [ 70.802114] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # [ 70.808842] 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>[ 71.668121] lkdtm: Performing direct entry READ_AFTER_FREE <6>[ 71.673968] lkdtm: Value in memory before free: 12345678 <6>[ 71.679636] lkdtm: Attempting bad read from freed memory <6>[ 71.685224] lkdtm: Memory was not poisoned # [ 71.668121] lkdtm: Performing direct entry READ_AFTER_FREE # [ 71.673968] lkdtm: Value in memory before free: 12345678 # [ 71.679636] lkdtm: Attempting bad read from freed memory # [ 71.685224] 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>[ 72.294639] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE <6>[ 72.301003] lkdtm: Value in memory before free: 12345678 <6>[ 72.306591] lkdtm: Attempting to read from freed memory <6>[ 72.312139] lkdtm: Buddy page was not poisoned # [ 72.294639] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE # [ 72.301003] lkdtm: Value in memory before free: 12345678 # [ 72.306591] lkdtm: Attempting to read from freed memory # [ 72.312139] 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>[ 72.709297] lkdtm: Performing direct entry SLAB_FREE_DOUBLE <6>[ 72.715169] lkdtm: Attempting double slab free ... # [ 72.709297] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 72.715169] 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>[ 73.116620] lkdtm: Performing direct entry SLAB_FREE_CROSS <6>[ 73.122472] lkdtm: Attempting cross-cache slab free ... # [ 73.116620] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 73.122472] 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>[ 73.528018] lkdtm: Performing direct entry SLAB_FREE_PAGE <6>[ 73.533778] lkdtm: Attempting non-Slab slab free ... # [ 73.528018] lkdtm: Performing direct entry SLAB_FREE_PAGE # [ 73.533778] lkdtm: Attempting non-Slab slab free ... # SLAB_FREE_PAGE: missing 'call trace:': [FAIL] not ok 25 selftests: lkdtm: SLAB_FREE_PAGE.sh # exit=1 # selftests: lkdtm: SOFTLOCKUP.sh # Skipping SOFTLOCKUP: Hangs the system ok 26 selftests: lkdtm: SOFTLOCKUP.sh # SKIP # selftests: lkdtm: HARDLOCKUP.sh # Skipping HARDLOCKUP: Hangs the system ok 27 selftests: lkdtm: HARDLOCKUP.sh # SKIP # selftests: lkdtm: SPINLOCKUP.sh # Skipping SPINLOCKUP: Hangs the system ok 28 selftests: lkdtm: SPINLOCKUP.sh # SKIP # selftests: lkdtm: HUNG_TASK.sh # Skipping HUNG_TASK: Hangs the system ok 29 selftests: lkdtm: HUNG_TASK.sh # SKIP # selftests: lkdtm: EXEC_DATA.sh <6>[ 74.854643] lkdtm: Performing direct entry EXEC_DATA <6>[ 74.859943] lkdtm: attempting ok execution at c0c587dc <6>[ 74.865359] lkdtm: attempting bad execution at c27069e4 <1>[ 74.870910] 8<--- cut here --- <1>[ 74.874237] Unable to handle kernel paging request at virtual address c27069e4 <1>[ 74.881729] pgd = 172a7f66 <1>[ 74.884706] [c27069e4] *pgd=1261141e(bad) <0>[ 74.889013] Internal error: Oops: 8000000d [#3] SMP ARM <4>[ 74.894509] 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 dw_hdmi_imx dw_hdmi parallel_display caam error imx_ldb imxdrm flexcan can_dev etnaviv gpu_sched imx_ipu_v3 <4>[ 74.923823] CPU: 1 PID: 1727 Comm: cat Tainted: G D W 5.10.206-cip41 #1 <4>[ 74.931838] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 74.938642] PC is at data_area+0x0/0x40 <4>[ 74.942758] LR is at execute_location+0xa4/0xb4 <4>[ 74.947559] pc : [] lr : [] psr: 600e0013 <4>[ 74.954094] sp : c6889e38 ip : c6889d40 fp : c6889e54 <4>[ 74.959587] r10: 0000000a r9 : c1ad593c r8 : c15ebd0c <4>[ 74.965080] r7 : c6889f60 r6 : 00000001 r5 : c27069e4 r4 : c0c587dc <4>[ 74.971874] r3 : fec652f9 r2 : fec652f9 r1 : ef7965e0 r0 : 0000002b <4>[ 74.978672] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 74.986076] Control: 10c5387d Table: 1685c04a DAC: 00000051 <0>[ 74.992094] Process cat (pid: 1727, stack limit = 0xded8e304) <0>[ 74.998111] Stack: (0xc6889e38 to 0xc688a000) <0>[ 75.002739] 9e20: 0000001f c5ca5000 <0>[ 75.011190] 9e40: 0000000a c6889f60 c6889e64 c6889e58 c13c849c c13c8298 c6889e74 c6889e68 <0>[ 75.019641] 9e60: c0c57a6c c13c8484 c6889e9c c6889e78 c0c57f6c c0c57a4c c0c57e4c c68b23c0 <0>[ 75.028091] 9e80: b6ddd000 0000000a c5313cc0 c6889f60 c6889ec4 c6889ea0 c07e1bc0 c0c57e58 <0>[ 75.036541] 9ea0: 00000000 c68b23c0 b6ddd000 c2815800 c6889f60 c07e1b5c c6889f5c c6889ec8 <0>[ 75.044992] 9ec0: c059baac c07e1b68 00000001 00000000 c059c058 c13dd878 c059c058 c6888000 <0>[ 75.053443] 9ee0: b6ddd000 00020000 00000004 0000000a 0001fff6 c6889ee0 00000001 b6ddc000 <0>[ 75.061892] 9f00: c6af2500 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 75.070343] 9f20: 00000000 00000000 c13dd878 fec652f9 c206c120 c68b23c0 c68b23c0 c6888000 <0>[ 75.078794] 9f40: b6ddd000 00000000 00000000 00000004 c6889f94 c6889f60 c059c058 c059b9ac <0>[ 75.087244] 9f60: 00000000 00000000 c6889fac fec652f9 0000000a 0000000a b6f24e00 00000004 <0>[ 75.095693] 9f80: c03002e4 c6888000 c6889fa4 c6889f98 c059c0e8 c059bff0 00000000 c6889fa8 <0>[ 75.104142] 9fa0: c03000c0 c059c0dc 0000000a 0000000a 00000001 b6ddd000 0000000a 00000000 <0>[ 75.112590] 9fc0: 0000000a 0000000a b6f24e00 00000004 00000001 00000000 00020000 be9c4ac4 <0>[ 75.121038] 9fe0: 00000004 be9c47f8 b6e8ed8f b6e157e6 800e0030 00000001 00000000 00000000 <0>[ 75.129480] Backtrace: <0>[ 75.132215] [] (execute_location) from [] (lkdtm_EXEC_DATA+0x24/0x28) <0>[ 75.140667] r7:c6889f60 r6:0000000a r5:c5ca5000 r4:0000001f <0>[ 75.146607] [] (lkdtm_EXEC_DATA) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 75.154974] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 75.163259] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 75.171449] r9:c6889f60 r8:c5313cc0 r7:0000000a r6:b6ddd000 r5:c68b23c0 r4:c0c57e4c <0>[ 75.179473] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 75.187578] r9:c07e1b5c r8:c6889f60 r7:c2815800 r6:b6ddd000 r5:c68b23c0 r4:00000000 <0>[ 75.195596] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 75.203006] r10:00000004 r9:00000000 r8:00000000 r7:b6ddd000 r6:c6888000 r5:c68b23c0 <0>[ 75.211102] r4:c68b23c0 <0>[ 75.213913] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 75.221320] r9:c6888000 r8:c03002e4 r7:00000004 r6:b6f24e00 r5:0000000a r4:0000000a <0>[ 75.229340] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 75.237178] Exception stack(0xc6889fa8 to 0xc6889ff0) <0>[ 75.242502] 9fa0: 0000000a 0000000a 00000001 b6ddd000 0000000a 00000000 <0>[ 75.250952] 9fc0: 0000000a 0000000a b6f24e00 00000004 00000001 00000000 00020000 be9c4ac4 <0>[ 75.259400] 9fe0: 00000004 be9c47f8 b6e8ed8f b6e157e6 <0>[ 75.264728] Code: 00000000 c2b1e6c0 c2b1e780 c2b1e840 (e1a0c00d) <4>[ 75.271098] ---[ end trace d6e76fda740c8d33 ]--- # Segmentation fault # [ 74.854643] lkdtm: Performing direct entry EXEC_DATA # [ 74.859943] lkdtm: attempting ok execution at c0c587dc # [ 74.865359] lkdtm: attempting bad execution at c27069e4 # [ 74.870910] 8<--- cut here --- # [ 74.874237] Unable to handle kernel paging request at virtual address c27069e4 # [ 74.881729] pgd = 172a7f66 # [ 74.884706] [c27069e4] *pgd=1261141e(bad) # [ 74.889013] Internal error: Oops: 8000000d [#3] SMP ARM # [ 74.894509] 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 dw_hdmi_imx dw_hdmi parallel_display caam error imx_ldb imxdrm flexcan can_dev etnaviv gpu_sched imx_ipu_v3 # [ 74.923823] CPU: 1 PID: 1727 Comm: cat Tainted: G D W 5.10.206-cip41 #1 # [ 74.931838] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 74.938642] PC is at data_area+0x0/0x40 # [ 74.942758] LR is at execute_location+0xa4/0xb4 # [ 74.947559] pc : [] lr : [] psr: 600e0013 # [ 74.954094] sp : c6889e38 ip : c6889d40 fp : c6889e54 # [ 74.959587] r10: 0000000a r9 : c1ad593c r8 : c15ebd0c # [ 74.965080] r7 : c6889f60 r6 : 00000001 r5 : c27069e4 r4 : c0c587dc # [ 74.971874] r3 : fec652f9 r2 : fec652f9 r1 : ef7965e0 r0 : 0000002b # [ 74.978672] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 74.986076] Control: 10c5387d Table: 1685c04a DAC: 00000051 # [ 74.992094] Process cat (pid: 1727, stack limit = 0xded8e304) # [ 74.998111] Stack: (0xc6889e38 to 0xc688a000) # [ 75.002739] 9e20: 0000001f c5ca5000 # [ 75.011190] 9e40: 0000000a c6889f60 c6889e64 c6889e58 c13c849c c13c8298 c6889e74 c6889e68 # [ 75.019641] 9e60: c0c57a6c c13c8484 c6889e9c c6889e78 c0c57f6c c0c57a4c c0c57e4c c68b23c0 # [ 75.028091] 9e80: b6ddd000 0000000a c5313cc0 c6889f60 c6889ec4 c6889ea0 c07e1bc0 c0c57e58 # [ 75.036541] 9ea0: 00000000 c68b23c0 b6ddd000 c2815800 c6889f60 c07e1b5c c6889f5c c6889ec8 # [ 75.044992] 9ec0: c059baac c07e1b68 00000001 00000000 c059c058 c13dd878 c059c058 c6888000 # [ 75.053443] 9ee0: b6ddd000 00020000 00000004 0000000a 0001fff6 c6889ee0 00000001 b6ddc000 # [ 75.061892] 9f00: c6af2500 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 75.070343] 9f20: 00000000 00000000 c13dd878 fec652f9 c206c120 c68b23c0 c68b23c0 c6888000 # [ 75.078794] 9f40: b6ddd000 00000000 00000000 00000004 c6889f94 c6889f60 c059c058 c059b9ac # [ 75.087244] 9f60: 00000000 00000000 c6889fac fec652f9 0000000a 0000000a b6f24e00 00000004 # [ 75.095693] 9f80: c03002e4 c6888000 c6889fa4 c6889f98 c059c0e8 c059bff0 00000000 c6889fa8 # [ 75.104142] 9fa0: c03000c0 c059c0dc 0000000a 0000000a 00000001 b6ddd000 0000000a 00000000 # [ 75.112590] 9fc0: 0000000a 0000000a b6f24e00 00000004 00000001 00000000 00020000 be9c4ac4 # [ 75.121038] 9fe0: 00000004 be9c47f8 b6e8ed8f b6e157e6 800e0030 00000001 00000000 00000000 # [ 75.129480] Backtrace: # [ 75.132215] [] (execute_location) from [] (lkdtm_EXEC_DATA+0x24/0x28) # [ 75.140667] r7:c6889f60 r6:0000000a r5:c5ca5000 r4:0000001f # [ 75.146607] [] (lkdtm_EXEC_DATA) from [] (lkdtm_do_action+0x2c/0x4c) # [ 75.154974] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 75.163259] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 75.171449] r9:c6889f60 r8:c5313cc0 r7:0000000a r6:b6ddd000 r5:c68b23c0 r4:c0c57e4c # [ 75.179473] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 75.187578] r9:c07e1b5c r8:c6889f60 r7:c2815800 r6:b6ddd000 r5:c68b23c0 r4:00000000 # [ 75.195596] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 75.203006] r10:00000004 r9:00000000 r8:00000000 r7:b6ddd000 r6:c6888000 r5:c68b23c0 # [ 75.211102] r4:c68b23c0 # [ 75.213913] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 75.221320] r9:c6888000 r8:c03002e4 r7:00000004 r6:b6f24e00 r5:0000000a r4:0000000a # [ 75.229340] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 75.237178] Exception stack(0xc6889fa8 to 0xc6889ff0) # [ 75.242502] 9fa0: 0000000a 0000000a 00000001 b6ddd000 0000000a 00000000 # [ 75.250952] 9fc0: 0000000a 0000000a b6f24e00 00000004 00000001 00000000 00020000 be9c4ac4 # [ 75.259400] 9fe0: 00000004 be9c47f8 b6e8ed8f b6e157e6 # [ 75.264728] Code: 00000000 c2b1e6c0 c2b1e780 c2b1e840 (e1a0c00d) # [ 75.271098] ---[ <6>[ 75.781456] lkdtm: Performing direct entry EXEC_STACK end trace d6e76fda740c8d33 ]--- <6>[ 75.789567] lkdtm: attempting ok execution at c0c587dc # EXEC_DATA: missing 'call trace:<6>[ 75.797795] lkdtm: attempting bad execution at c5a41e0c ': [FAIL] not ok 30 selftests: l<1>[ 75.806185] 8<--- cut here --- <1>[ 75.812319] Unable to handle kernel paging request at virtual address c5a41e0c <1>[ 75.819816] pgd = 33128170 <1>[ 75.822793] [c5a41e0c] *pgd=15a1141e(bad) <0>[ 75.827092] Internal error: Oops: 8000000d [#4] SMP ARM <4>[ 75.832586] 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 dw_hdmi_imx dw_hdmi parallel_display caam error imx_ldb imxdrm flexcan can_dev etnaviv gpu_sched imx_ipu_v3 <4>[ 75.861922] CPU: 0 PID: 1804 Comm: cat Tainted: G D W 5.10.206-cip41 #1 <4>[ 75.869933] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 75.876735] PC is at 0xc5a41e0c <4>[ 75.880157] LR is at execute_location+0xa4/0xb4 <4>[ 75.884960] pc : [] lr : [] psr: 600e0013 <4>[ 75.891496] sp : c5a41de8 ip : c5a41cf0 fp : c5a41e04 <4>[ 75.896990] r10: 0000000b r9 : c1ad5948 r8 : c15ebd0c <4>[ 75.902483] r7 : c5a41f60 r6 : 00000001 r5 : c5a41e0c r4 : c0c587dc <4>[ 75.909278] r3 : 8122fbb0 r2 : 8122fbb0 r1 : ef7815e0 r0 : 0000002b <4>[ 75.916075] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 75.923479] Control: 10c5387d Table: 16dbc04a DAC: 00000051 <0>[ 75.929494] Process cat (pid: 1804, stack limit = 0x85863c99) <0>[ 75.935509] Stack: (0xc5a41de8 to 0xc5a42000) <0>[ 75.940141] 1de0: c5a40000 c5b99000 0000000b c5a41f60 c5a41e64 c5a41e08 <0>[ 75.948592] 1e00: c13c84d8 c13c8298 c5a41e6c e1a0c00d e92dd800 e24cb004 e52de004 e8bd4000 <0>[ 75.957042] 1e20: e89da800 e1a0c00d e92dd830 e24cb004 e52de004 e8bd4000 e3073374 e34c31b8 <0>[ 75.965492] 1e40: e3a02040 e3a01d33 e5930018 8122fbb0 0000000b 00000020 c5a41e74 c5a41e68 <0>[ 75.973942] 1e60: c0c57a6c c13c84ac c5a41e9c c5a41e78 c0c57f6c c0c57a4c c0c57e4c c6912c80 <0>[ 75.982391] 1e80: b6eb2000 0000000b c5313cc0 c5a41f60 c5a41ec4 c5a41ea0 c07e1bc0 c0c57e58 <0>[ 75.990839] 1ea0: 00000000 c6912c80 b6eb2000 c2815800 c5a41f60 c07e1b5c c5a41f5c c5a41ec8 <0>[ 75.999290] 1ec0: c059baac c07e1b68 00000001 00000000 c059c058 c13dd878 c059c058 c5a40000 <0>[ 76.007738] 1ee0: b6eb2000 00020000 00000004 0000000b 0001fff5 c5a41ee0 00000001 b6eb1000 <0>[ 76.016187] 1f00: c5ff8780 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 76.024639] 1f20: 00000000 00000000 c13dd878 8122fbb0 c206c120 c6912c80 c6912c80 c5a40000 <0>[ 76.033090] 1f40: b6eb2000 00000000 00000000 00000004 c5a41f94 c5a41f60 c059c058 c059b9ac <0>[ 76.041540] 1f60: 00000000 00000000 c5a41fac 8122fbb0 0000000b 0000000b b6ff9e00 00000004 <0>[ 76.049988] 1f80: c03002e4 c5a40000 c5a41fa4 c5a41f98 c059c0e8 c059bff0 00000000 c5a41fa8 <0>[ 76.058436] 1fa0: c03000c0 c059c0dc 0000000b 0000000b 00000001 b6eb2000 0000000b 00000000 <0>[ 76.066887] 1fc0: 0000000b 0000000b b6ff9e00 00000004 00000001 00000000 00020000 bef77ac4 <0>[ 76.075337] 1fe0: 00000004 bef777f8 b6f63d8f b6eea7e6 800e0030 00000001 00000000 00000000 <0>[ 76.083781] Backtrace: <0>[ 76.086513] [] (execute_location) from [] (lkdtm_EXEC_STACK+0x38/0x54) <0>[ 76.095052] r7:c5a41f60 r6:0000000b r5:c5b99000 r4:c5a40000 <0>[ 76.100992] [] (lkdtm_EXEC_STACK) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 76.109435] r4:00000020 <0>[ 76.112243] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 76.120529] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 76.128718] r9:c5a41f60 r8:c5313cc0 r7:0000000b r6:b6eb2000 r5:c6912c80 r4:c0c57e4c <0>[ 76.136742] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 76.144845] r9:c07e1b5c r8:c5a41f60 r7:c2815800 r6:b6eb2000 r5:c6912c80 r4:00000000 <0>[ 76.152863] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 76.160271] r10:00000004 r9:00000000 r8:00000000 r7:b6eb2000 r6:c5a40000 r5:c6912c80 <0>[ 76.168366] r4:c6912c80 <0>[ 76.171175] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 76.178582] r9:c5a40000 r8:c03002e4 r7:00000004 r6:b6ff9e00 r5:0000000b r4:0000000b <0>[ 76.186602] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 76.194438] Exception stack(0xc5a41fa8 to 0xc5a41ff0) <0>[ 76.199760] 1fa0: 0000000b 0000000b 00000001 b6eb2000 0000000b 00000000 <0>[ 76.208208] 1fc0: 0000000b 0000000b b6ff9e00 00000004 00000001 00000000 00020000 bef77ac4 <0>[ 76.216654] 1fe0: 00000004 bef777f8 b6f63d8f b6eea7e6 <0>[ 76.221980] Code: c5a41e08 c13c84d8 c13c8298 c5a41e6c (e1a0c00d) <4>[ 76.228350] ---[ end trace d6e76fda740c8d34 ]--- kdtm: EXEC_DATA.sh # exit=1 # selftests: lkdtm: EXEC_STACK.sh # Segmentation fault # [ 75.781456] lkdtm: Performing direct entry EXEC_STACK # [ 75.789567] lkdtm: attempting ok execution at c0c587dc # [ 75.797795] lkdtm: attempting bad execution at c5a41e0c # [ 75.806185] 8<--- cut here --- # [ 75.812319] Unable to handle kernel paging request at virtual address c5a41e0c # [ 75.819816] pgd = 33128170 # [ 75.822793] [c5a41e0c] *pgd=15a1141e(bad) # [ 75.827092] Internal error: Oops: 8000000d [#4] SMP ARM # [ 75.832586] 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 dw_hdmi_imx dw_hdmi parallel_display caam error imx_ldb imxdrm flexcan can_dev etnaviv gpu_sched imx_ipu_v3 # [ 75.861922] CPU: 0 PID: 1804 Comm: cat Tainted: G D W 5.10.206-cip41 #1 # [ 75.869933] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 75.876735] PC is at 0xc5a41e0c # [ 75.880157] LR is at execute_location+0xa4/0xb4 # [ 75.884960] pc : [] lr : [] psr: 600e0013 # [ 75.891496] sp : c5a41de8 ip : c5a41cf0 fp : c5a41e04 # [ 75.896990] r10: 0000000b r9 : c1ad5948 r8 : c15ebd0c # [ 75.902483] r7 : c5a41f60 r6 : 00000001 r5 : c5a41e0c r4 : c0c587dc # [ 75.909278] r3 : 8122fbb0 r2 : 8122fbb0 r1 : ef7815e0 r0 : 0000002b # [ 75.916075] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 75.923479] Control: 10c5387d Table: 16dbc04a DAC: 00000051 # [ 75.929494] Process cat (pid: 1804, stack limit = 0x85863c99) # [ 75.935509] Stack: (0xc5a41de8 to 0xc5a42000) # [ 75.940141] 1de0: c5a40000 c5b99000 0000000b c5a41f60 c5a41e64 c5a41e08 # [ 75.948592] 1e00: c13c84d8 c13c8298 c5a41e6c e1a0c00d e92dd800 e24cb004 e52de004 e8bd4000 # [ 75.957042] 1e20: e89da800 e1a0c00d e92dd830 e24cb004 e52de004 e8bd4000 e3073374 e34c31b8 # [ 75.965492] 1e40: e3a02040 e3a01d33 e5930018 8122fbb0 0000000b 00000020 c5a41e74 c5a41e68 # [ 75.973942] 1e60: c0c57a6c c13c84ac c5a41e9c c5a41e78 c0c57f6c c0c57a4c c0c57e4c c6912c80 # [ 75.982391] 1e80: b6eb2000 0000000b c5313cc0 c5a41f60 c5a41ec4 c5a41ea0 c07e1bc0 c0c57e58 # [ 75.990839] 1ea0: 00000000 c6912c80 b6eb2000 c2815800 c5a41f60 c07e1b5c c5a41f5c c5a41ec8 # [ 75.999290] 1ec0: c059baac c07e1b68 00000001 00000000 c059c058 c13dd878 c059c058 c5a40000 # [ 76.007738] 1ee0: b6eb2000 00020000 00000004 0000000b 0001fff5 c5a41ee0 00000001 b6eb1000 # [ 76.016187] 1f00: c5ff8780 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 76.024639] 1f20: 00000000 00000000 c13dd878 8122fbb0 c206c120 c6912c80 c6912c80 c5a40000 # [ 76.033090] 1f40: b6eb2000 00000000 00000000 00000004 c5a41f94 c5a41f60 c059c058 c059b9ac # [ 76.041540] 1f60: 00000000 00000000 c5a41fac 8122fbb0 0000000b 0000000b b6ff9e00 00000004 # [ 76.049988] 1f80: c03002e4 c5a40000 c5a41fa4 c5a41f98 c059c0e8 c059bff0 00000000 c5a41fa8 # [ 76.058436] 1fa0: c03000c0 c059c0dc 0000000b 0000000b 00000001 b6eb2000 0000000b 00000000 # [ 76.066887] 1fc0: 0000000b 0000000b b6ff9e00 00000004 00000001 00000000 00020000 bef77ac4 # [ 76.075337] 1fe0: 00000004 bef777f8 b6f63d8f b6eea7e6 800e0030 00000001 00000000 00000000 # [ 76.083781] Backtrace: # [ 76.086513] [] (execute_location) from [] (lkdtm_EXEC_STACK+0x38/0x54) # [ 76.095052] r7:c5a41f60 r6:0000000b r5:c5b99000 r4:c5a40000 # [ 76.100992] [] (lkdtm_EXEC_STACK) from [] (lkdtm_do_action+0x2c/0x4c) # [ 76.109435] r4:00000020 # [ 76.112243] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 76.120529] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 76.128718] r9:c5a41f60 r8:c5313cc0 r7:0000000b r6:b6eb2000 r5:c6912c80 r4:c0c57e4c # [ 76.136742] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 76.144845] r9:c07e1b5c r8:c5a41f60 r7:c2815800 r6:b6eb2000 r5:c6912c80 r4:00000000 # [ 76.152863] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 76.160271] r10:00000004 r9:00000000 r8:00000000 r7:b6eb2000 r6:c5a40000 r5:c6912c80 # [ 76.168366] r4:c6912c80 # [ 76.171175] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 76.178582] r9:c5a40000 r8:c03002e4 r7:00000004 r6:b6ff9e00 r5:0000000b r4:0000000b # [ 76.186602] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 76.194438] Exception stack(0xc5a41fa8 to 0xc5a41ff0) # [ 76.199760] 1fa0: 0000000b 0000000b 00000001 b6eb2000 0000000b 00000000 # [ 76.208208] 1fc0: 0000000b 0000000b b6ff9e00 00000004 00000001 00000000 00020000 bef77ac4 # [ 76.216654] 1fe0: 00000004 bef777f8 b6f63d8f b6eea7e6 # [ 76.221980] Code: c5a41e08 c13c84d8 c13c8298 c5a41e6c (e1a0c00d) # [ 76.228350] ---[ end trace d6e76fda740c8d34 ]--- # EXEC_STACK: missing 'call trace:': [FAIL] not ok 31 selftests: lkdtm: EXEC_STACK.sh # exit=1 # selftests: lkdtm: EXEC_KMALLOC.sh <6>[ 76.796552] lkdtm: Performing direct entry EXEC_KMALLOC <6>[ 76.802154] lkdtm: attempting ok execution at c0c587dc <6>[ 76.807570] lkdtm: attempting bad execution at c5cafd00 <1>[ 76.813141] 8<--- cut here --- <1>[ 76.816473] Unable to handle kernel paging request at virtual address c5cafd00 <1>[ 76.823968] pgd = 172a7f66 <1>[ 76.826943] [c5cafd00] *pgd=15c1141e(bad) <0>[ 76.831241] Internal error: Oops: 8000000d [#5] SMP ARM <4>[ 76.836738] 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 dw_hdmi_imx dw_hdmi parallel_display caam error imx_ldb imxdrm flexcan can_dev etnaviv gpu_sched imx_ipu_v3 <4>[ 76.866075] CPU: 0 PID: 1884 Comm: cat Tainted: G D W 5.10.206-cip41 #1 <4>[ 76.874088] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 76.880888] PC is at 0xc5cafd00 <4>[ 76.884310] LR is at execute_location+0xa4/0xb4 <4>[ 76.889109] pc : [] lr : [] psr: 600e0013 <4>[ 76.895647] sp : c5a9be30 ip : c5a9bd38 fp : c5a9be4c <4>[ 76.901138] r10: 0000000d r9 : c1ad5954 r8 : c15ebd0c <4>[ 76.906633] r7 : c5a9bf60 r6 : 00000001 r5 : c5cafd00 r4 : c0c587dc <4>[ 76.913428] r3 : a77a4735 r2 : a77a4735 r1 : ef7815e0 r0 : 0000002b <4>[ 76.920225] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 76.927630] Control: 10c5387d Table: 1685c04a DAC: 00000051 <0>[ 76.933644] Process cat (pid: 1884, stack limit = 0xb32077a6) <0>[ 76.939661] Stack: (0xc5a9be30 to 0xc5a9c000) <0>[ 76.944291] be20: c5cafd00 c5952000 0000000d c5a9bf60 <0>[ 76.952741] be40: c5a9be64 c5a9be50 c0c5882c c13c8298 00000021 c5952000 c5a9be74 c5a9be68 <0>[ 76.961191] be60: c0c57a6c c0c58800 c5a9be9c c5a9be78 c0c57f6c c0c57a4c c0c57e4c c6913040 <0>[ 76.969641] be80: b6e27000 0000000d c5313cc0 c5a9bf60 c5a9bec4 c5a9bea0 c07e1bc0 c0c57e58 <0>[ 76.978090] bea0: 00000000 c6913040 b6e27000 c2815800 c5a9bf60 c07e1b5c c5a9bf5c c5a9bec8 <0>[ 76.986540] bec0: c059baac c07e1b68 00000001 00000000 c059c058 c13dd878 c059c058 c5a9a000 <0>[ 76.994990] bee0: b6e27000 00020000 00000004 0000000d 0001fff3 c5a9bee0 00000001 b6e26000 <0>[ 77.003438] bf00: c5b2ea00 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 77.011888] bf20: 00000000 00000000 c13dd878 a77a4735 c206c120 c6913040 c6913040 c5a9a000 <0>[ 77.020337] bf40: b6e27000 00000000 00000000 00000004 c5a9bf94 c5a9bf60 c059c058 c059b9ac <0>[ 77.028788] bf60: 00000000 00000000 c5a9bfac a77a4735 0000000d 0000000d b6f6ee00 00000004 <0>[ 77.037236] bf80: c03002e4 c5a9a000 c5a9bfa4 c5a9bf98 c059c0e8 c059bff0 00000000 c5a9bfa8 <0>[ 77.045685] bfa0: c03000c0 c059c0dc 0000000d 0000000d 00000001 b6e27000 0000000d 00000000 <0>[ 77.054133] bfc0: 0000000d 0000000d b6f6ee00 00000004 00000001 00000000 00020000 be908ac4 <0>[ 77.062582] bfe0: 00000004 be9087f8 b6ed8d8f b6e5f7e6 800e0030 00000001 00000000 00000000 <0>[ 77.071024] Backtrace: <0>[ 77.073760] [] (execute_location) from [] (lkdtm_EXEC_KMALLOC+0x38/0x44) <0>[ 77.082472] r7:c5a9bf60 r6:0000000d r5:c5952000 r4:c5cafd00 <0>[ 77.088407] [] (lkdtm_EXEC_KMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 77.097026] r5:c5952000 r4:00000021 <0>[ 77.100877] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 77.109161] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 77.117350] r9:c5a9bf60 r8:c5313cc0 r7:0000000d r6:b6e27000 r5:c6913040 r4:c0c57e4c <0>[ 77.125374] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 77.133477] r9:c07e1b5c r8:c5a9bf60 r7:c2815800 r6:b6e27000 r5:c6913040 r4:00000000 <0>[ 77.141494] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 77.148904] r10:00000004 r9:00000000 r8:00000000 r7:b6e27000 r6:c5a9a000 r5:c6913040 <0>[ 77.157000] r4:c6913040 <0>[ 77.159810] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 77.167217] r9:c5a9a000 r8:c03002e4 r7:00000004 r6:b6f6ee00 r5:0000000d r4:0000000d <0>[ 77.175238] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 77.183074] Exception stack(0xc5a9bfa8 to 0xc5a9bff0) <0>[ 77.188397] bfa0: 0000000d 0000000d 00000001 b6e27000 0000000d 00000000 <0>[ 77.196847] bfc0: 0000000d 0000000d b6f6ee00 00000004 00000001 00000000 00020000 be908ac4 <0>[ 77.205292] bfe0: 00000004 be9087f8 b6ed8d8f b6e5f7e6 <0>[ 77.210618] Code: 00160017 00000000 00000000 00000000 (e1a0c00d) <4>[ 77.216987] ---[ end trace d6e76fda740c8d35 ]--- # Segmentation fault # [ 76.796552] lkdtm: Performing direct entry EXEC_KMALLOC # [ 76.802154] lkdtm: attempting ok execution at c0c587dc # [ 76.807570] lkdtm: attempting bad execution at c5cafd00 # [ 76.813141] 8<--- cut here --- # [ 76.816473] Unable to handle kernel paging request at virtual address c5cafd00 # [ 76.823968] pgd = 172a7f66 # [ 76.826943] [c5cafd00] *pgd=15c1141e(bad) # [ 76.831241] Internal error: Oops: 8000000d [#5] SMP ARM # [ 76.836738] 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 dw_hdmi_imx dw_hdmi parallel_display caam error imx_ldb imxdrm flexcan can_dev etnaviv gpu_sched imx_ipu_v3 # [ 76.866075] CPU: 0 PID: 1884 Comm: cat Tainted: G D W 5.10.206-cip41 #1 # [ 76.874088] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 76.880888] PC is at 0xc5cafd00 # [ 76.884310] LR is at execute_location+0xa4/0xb4 # [ 76.889109] pc : [] lr : [] psr: 600e0013 # [ 76.895647] sp : c5a9be30 ip : c5a9bd38 fp : c5a9be4c # [ 76.901138] r10: 0000000d r9 : c1ad5954 r8 : c15ebd0c # [ 76.906633] r7 : c5a9bf60 r6 : 00000001 r5 : c5cafd00 r4 : c0c587dc # [ 76.913428] r3 : a77a4735 r2 : a77a4735 r1 : ef7815e0 r0 : 0000002b # [ 76.920225] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 76.927630] Control: 10c5387d Table: 1685c04a DAC: 00000051 # [ 76.933644] Process cat (pid: 1884, stack limit = 0xb32077a6) # [ 76.939661] Stack: (0xc5a9be30 to 0xc5a9c000) # [ 76.944291] be20: c5cafd00 c5952000 0000000d c5a9bf60 # [ 76.952741] be40: c5a9be64 c5a9be50 c0c5882c c13c8298 00000021 c5952000 c5a9be74 c5a9be68 # [ 76.961191] be60: c0c57a6c c0c58800 c5a9be9c c5a9be78 c0c57f6c c0c57a4c c0c57e4c c6913040 # [ 76.969641] be80: b6e27000 0000000d c5313cc0 c5a9bf60 c5a9bec4 c5a9bea0 c07e1bc0 c0c57e58 # [ 76.978090] bea0: 00000000 c6913040 b6e27000 c2815800 c5a9bf60 c07e1b5c c5a9bf5c c5a9bec8 # [ 76.986540] bec0: c059baac c07e1b68 00000001 00000000 c059c058 c13dd878 c059c058 c5a9a000 # [ 76.994990] bee0: b6e27000 00020000 00000004 0000000d 0001fff3 c5a9bee0 00000001 b6e26000 # [ 77.003438] bf00: c5b2ea00 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 77.011888] bf20: 00000000 00000000 c13dd878 a77a4735 c206c120 c6913040 c6913040 c5a9a000 # [ 77.020337] bf40: b6e27000 00000000 00000000 00000004 c5a9bf94 c5a9bf60 c059c058 c059b9ac # [ 77.028788] bf60: 00000000 00000000 c5a9bfac a77a4735 0000000d 0000000d b6f6ee00 00000004 # [ 77.037236] bf80: c03002e4 c5a9a000 c5a9bfa4 c5a9bf98 c059c0e8 c059bff0 00000000 c5a9bfa8 # [ 77.045685] bfa0: c03000c0 c059c0dc 0000000d 0000000d 00000001 b6e27000 0000000d 00000000 # [ 77.054133] bfc0: 0000000d 0000000d b6f6ee00 00000004 00000001 00000000 00020000 be908ac4 # [ 77.062582] bfe0: 00000004 be9087f8 b6ed8d8f b6e5f7e6 800e0030 00000001 00000000 00000000 # [ 77.071024] Backtrace: # [ 77.073760] [] (execute_location) from [] (lkdtm_EXEC_KMALLOC+0x38/0x44) # [ 77.082472] r7:c5a9bf60 r6:0000000d r5:c5952000 r4:c5cafd00 # [ 77.088407] [] (lkdtm_EXEC_KMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) # [ 77.097026] r5:c5952000 r4:00000021 # [ 77.100877] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 77.109161] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 77.117350] r9:c5a9bf60 r8:c5313cc0 r7:0000000d r6:b6e27000 r5:c6913040 r4:c0c57e4c # [ 77.125374] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 77.133477] r9:c07e1b5c r8:c5a9bf60 r7:c2815800 r6:b6e27000 r5:c6913040 r4:00000000 # [ 77.141494] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 77.148904] r10:00000004 r9:00000000 r8:00000000 r7:b6e27000 r6:c5a9a000 r5:c6913040 # [ 77.157000] r4:c6913040 # [ 77.159810] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 77.167217] r9:c5a9a000 r8:c03002e4 r7:00000004 r6:b6f6ee00 r5:0000000d r4:0000000d # [ 77.175238] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 77.183074] Exception stack(0xc5a9bfa8 to 0xc5a9bff0) # [ 77.188397] bfa0: 0000000d 0000000d 00000001 b6e27000 0000000d 00000000 # [ 77.196847] bfc0: 0000000d 0000000d b6f6ee00 00000004 00000001 00000000 00020000 be908ac4 # [ 77.205292] bfe0: 00000004 be9087f8 b6ed8d8f b6e5f7e6 # [ 77.210618] Code: 00160017 00000000 00000000 00000000 (e1a0c00d) # [ 77.216987] ---[ end trace d6e76fda740c8d35 ]--- # EXEC_KMALLOC: missing 'call trace:': [FAIL] not ok 32 selftests: lkdtm: EXEC_KMALLOC.sh # exit=1 # selftests: lkdtm: EXEC_VMALLOC.sh <6>[ 77.813511] lkdtm: Performing direct entry EXEC_VMALLOC <6>[ 77.819134] lkdtm: attempting ok execution at c0c587dc <6>[ 77.824556] lkdtm: attempting bad execution at f096c000 <1>[ 77.830112] 8<--- cut here --- <1>[ 77.833466] Unable to handle kernel paging request at virtual address f096c000 <1>[ 77.841047] pgd = b3478ef7 <1>[ 77.844035] [f096c000] *pgd=12950811, *pte=49fb265f, *ppte=49fb245f <0>[ 77.850673] Internal error: Oops: 8000000f [#6] SMP ARM <4>[ 77.856175] 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 dw_hdmi_imx dw_hdmi parallel_display caam error imx_ldb imxdrm flexcan can_dev etnaviv gpu_sched imx_ipu_v3 <4>[ 77.885493] CPU: 3 PID: 1962 Comm: cat Tainted: G D W 5.10.206-cip41 #1 <4>[ 77.893506] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 77.900309] PC is at 0xf096c000 <4>[ 77.903732] LR is at execute_location+0xa4/0xb4 <4>[ 77.908533] pc : [] lr : [] psr: 600e0013 <4>[ 77.915069] sp : c6a93e30 ip : c6a93d38 fp : c6a93e4c <4>[ 77.920564] r10: 0000000d r9 : c1ad5964 r8 : c15ebd0c <4>[ 77.926058] r7 : c6a93f60 r6 : 00000001 r5 : f096c000 r4 : c0c587dc <4>[ 77.932853] r3 : 32b5339e r2 : 32b5339e r1 : ef7c05e0 r0 : 0000002b <4>[ 77.939650] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 77.947056] Control: 10c5387d Table: 16da004a DAC: 00000051 <0>[ 77.953073] Process cat (pid: 1962, stack limit = 0xb82c51e8) <0>[ 77.959088] Stack: (0xc6a93e30 to 0xc6a94000) <0>[ 77.963720] 3e20: f096c000 c5dd9000 0000000d c6a93f60 <0>[ 77.972171] 3e40: c6a93e64 c6a93e50 c0c58860 c13c8298 00000022 c5dd9000 c6a93e74 c6a93e68 <0>[ 77.980621] 3e60: c0c57a6c c0c58844 c6a93e9c c6a93e78 c0c57f6c c0c57a4c c0c57e4c c5b2f7c0 <0>[ 77.989070] 3e80: b6e93000 0000000d c5313cc0 c6a93f60 c6a93ec4 c6a93ea0 c07e1bc0 c0c57e58 <0>[ 77.997519] 3ea0: 00000000 c5b2f7c0 b6e93000 c2815800 c6a93f60 c07e1b5c c6a93f5c c6a93ec8 <0>[ 78.005969] 3ec0: c059baac c07e1b68 00000001 00000000 c059c058 c13dd878 c059c058 c6a92000 <0>[ 78.014418] 3ee0: b6e93000 00020000 00000004 0000000d 0001fff3 c6a93ee0 00000001 b6e92000 <0>[ 78.022867] 3f00: c5908f00 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 78.031316] 3f20: 00000000 00000000 c13dd878 32b5339e c206c120 c5b2f7c0 c5b2f7c0 c6a92000 <0>[ 78.039767] 3f40: b6e93000 00000000 00000000 00000004 c6a93f94 c6a93f60 c059c058 c059b9ac <0>[ 78.048217] 3f60: 00000000 00000000 c6a93fac 32b5339e 0000000d 0000000d b6fdae00 00000004 <0>[ 78.056666] 3f80: c03002e4 c6a92000 c6a93fa4 c6a93f98 c059c0e8 c059bff0 00000000 c6a93fa8 <0>[ 78.065115] 3fa0: c03000c0 c059c0dc 0000000d 0000000d 00000001 b6e93000 0000000d 00000000 <0>[ 78.073566] 3fc0: 0000000d 0000000d b6fdae00 00000004 00000001 00000000 00020000 be8b2ac4 <0>[ 78.082016] 3fe0: 00000004 be8b27f8 b6f44d8f b6ecb7e6 800e0030 00000001 00000000 00000000 <0>[ 78.090459] Backtrace: <0>[ 78.093194] [] (execute_location) from [] (lkdtm_EXEC_VMALLOC+0x28/0x34) <0>[ 78.101908] r7:c6a93f60 r6:0000000d r5:c5dd9000 r4:f096c000 <0>[ 78.107846] [] (lkdtm_EXEC_VMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 78.116466] r5:c5dd9000 r4:00000022 <0>[ 78.120316] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 78.128600] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 78.136790] r9:c6a93f60 r8:c5313cc0 r7:0000000d r6:b6e93000 r5:c5b2f7c0 r4:c0c57e4c <0>[ 78.144816] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 78.152919] r9:c07e1b5c r8:c6a93f60 r7:c2815800 r6:b6e93000 r5:c5b2f7c0 r4:00000000 <0>[ 78.160937] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 78.168345] r10:00000004 r9:00000000 r8:00000000 r7:b6e93000 r6:c6a92000 r5:c5b2f7c0 <0>[ 78.176441] r4:c5b2f7c0 <0>[ 78.179249] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 78.186657] r9:c6a92000 r8:c03002e4 r7:00000004 r6:b6fdae00 r5:0000000d r4:0000000d <0>[ 78.194677] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 78.202515] Exception stack(0xc6a93fa8 to 0xc6a93ff0) <0>[ 78.207837] 3fa0: 0000000d 0000000d 00000001 b6e93000 0000000d 00000000 <0>[ 78.216287] 3fc0: 0000000d 0000000d b6fdae00 00000004 00000001 00000000 00020000 be8b2ac4 <0>[ 78.224734] 3fe0: 00000004 be8b27f8 b6f44d8f b6ecb7e6 <0>[ 78.230065] Code: bad PC value <4>[ 78.233501] ---[ end trace d6e76fda740c8d36 ]--- # Segmentation fault # [ 77.813511] lkdtm: Performing direct entry EXEC_VMALLOC # [ 77.819134] lkdtm: attempting ok execution at c0c587dc # [ 77.824556] lkdtm: attempting bad execution at f096c000 # [ 77.830112] 8<--- cut here --- # [ 77.833466] Unable to handle kernel paging request at virtual address f096c000 # [ 77.841047] pgd = b3478ef7 # [ 77.844035] [f096c000] *pgd=12950811, *pte=49fb265f, *ppte=49fb245f # [ 77.850673] Internal error: Oops: 8000000f [#6] SMP ARM # [ 77.856175] 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 dw_hdmi_imx dw_hdmi parallel_display caam error imx_ldb imxdrm flexcan can_dev etnaviv gpu_sched imx_ipu_v3 # [ 77.885493] CPU: 3 PID: 1962 Comm: cat Tainted: G D W 5.10.206-cip41 #1 # [ 77.893506] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 77.900309] PC is at 0xf096c000 # [ 77.903732] LR is at execute_location+0xa4/0xb4 # [ 77.908533] pc : [] lr : [] psr: 600e0013 # [ 77.915069] sp : c6a93e30 ip : c6a93d38 fp : c6a93e4c # [ 77.920564] r10: 0000000d r9 : c1ad5964 r8 : c15ebd0c # [ 77.926058] r7 : c6a93f60 r6 : 00000001 r5 : f096c000 r4 : c0c587dc # [ 77.932853] r3 : 32b5339e r2 : 32b5339e r1 : ef7c05e0 r0 : 0000002b # [ 77.939650] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 77.947056] Control: 10c5387d Table: 16da004a DAC: 00000051 # [ 77.953073] Process cat (pid: 1962, stack limit = 0xb82c51e8) # [ 77.959088] Stack: (0xc6a93e30 to 0xc6a94000) # [ 77.963720] 3e20: f096c000 c5dd9000 0000000d c6a93f60 # [ 77.972171] 3e40: c6a93e64 c6a93e50 c0c58860 c13c8298 00000022 c5dd9000 c6a93e74 c6a93e68 # [ 77.980621] 3e60: c0c57a6c c0c58844 c6a93e9c c6a93e78 c0c57f6c c0c57a4c c0c57e4c c5b2f7c0 # [ 77.989070] 3e80: b6e93000 0000000d c5313cc0 c6a93f60 c6a93ec4 c6a93ea0 c07e1bc0 c0c57e58 # [ 77.997519] 3ea0: 00000000 c5b2f7c0 b6e93000 c2815800 c6a93f60 c07e1b5c c6a93f5c c6a93ec8 # [ 78.005969] 3ec0: c059baac c07e1b68 00000001 00000000 c059c058 c13dd878 c059c058 c6a92000 # [ 78.014418] 3ee0: b6e93000 00020000 00000004 0000000d 0001fff3 c6a93ee0 00000001 b6e92000 # [ 78.022867] 3f00: c5908f00 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 78.031316] 3f20: 00000000 00000000 c13dd878 32b5339e c206c120 c5b2f7c0 c5b2f7c0 c6a92000 # [ 78.039767] 3f40: b6e93000 00000000 00000000 00000004 c6a93f94 c6a93f60 c059c058 c059b9ac # [ 78.048217] 3f60: 00000000 00000000 c6a93fac 32b5339e 0000000d 0000000d b6fdae00 00000004 # [ 78.056666] 3f80: c03002e4 c6a92000 c6a93fa4 c6a93f98 c059c0e8 c059bff0 00000000 c6a93fa8 # [ 78.065115] 3fa0: c03000c0 c059c0dc 0000000d 0000000d 00000001 b6e93000 0000000d 00000000 # [ 78.073566] 3fc0: 0000000d 0000000d b6fdae00 00000004 00000001 00000000 00020000 be8b2ac4 # [ 78.082016] 3fe0: 00000004 be8b27f8 b6f44d8f b6ecb7e6 800e0030 00000001 00000000 00000000 # [ 78.090459] Backtrace: # [ 78.093194] [] (execute_location) from [] (lkdtm_EXEC_VMALLOC+0x28/0x34) # [ 78.101908] r7:c6a93f60 r6:0000000d r5:c5dd9000 r4:f096c000 # [ 78.107846] [] (lkdtm_EXEC_VMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) # [ 78.116466] r5:c5dd9000 r4:00000022 # [ 78.120316] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 78.128600] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 78.136790] r9:c6a93f60 r8:c5313cc0 r7:0000000d r6:b6e93000 r5:c5b2f7c0 r4:c0c57e4c # [ 78.144816] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 78.152919] r9:c07e1b5c r8:c6a93f60 r7:c2815800 r6:b6e93000 r5:c5b2f7c0 r4:00000000 # [ 78.160937] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 78.168345] r10:00000004 r9:00000000 r8:00000000 r7:b6e93000 r6:c6a92000 r5:c5b2f7c0 # [ 78.176441] r4:c5b2f7c0 # [ 78.179249] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 78.186657] r9:c6a92000 r8:c03002e4 r7:00000004 r6:b6fdae00 r5:0000000d r4:0000000d # [ 78.194677] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 78.202515] Exception stack(0xc6a93fa8 to 0xc6a93ff0) # [ 78.207837] 3fa0: 0000000d 0000000d 00000001 b6e93000 0000000d 00000000 # [ 78.216287] 3fc0: 0000000d 0000000d b6fdae00 00000004 00000001 00000000 00020000 be8b2ac4 # [ 78.224734] 3fe0: 00000004 be8b27f8 b6f44d8f b6ecb7e6 # [ 78.230065] Code: bad PC value # [ 78.233501] ---[ end trace d6e76fda740c8d36 ]--- # EXEC_VMALLOC: missing 'call trace:': [FAIL] not ok 33 selftests: lkdtm: EXEC_VMALLOC.sh # exit=1 # selftests: lkdtm: EXEC_RODATA.sh <6>[ 78.807660] lkdtm: Performing direct entry EXEC_RODATA <6>[ 78.813147] lkdtm: attempting ok execution at c0c587dc <6>[ 78.818564] lkdtm: attempting bad execution at c15ebfa8 <1>[ 78.824157] 8<--- cut here --- <1>[ 78.827487] Unable to handle kernel paging request at virtual address c15ebfa8 <1>[ 78.834982] pgd = 98b29e09 <1>[ 78.837960] [c15ebfa8] *pgd=1141941e(bad) <0>[ 78.842260] Internal error: Oops: 8000000d [#7] SMP ARM <4>[ 78.847755] 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 dw_hdmi_imx dw_hdmi parallel_display caam error imx_ldb imxdrm flexcan can_dev etnaviv gpu_sched imx_ipu_v3 <4>[ 78.877093] CPU: 2 PID: 2040 Comm: cat Tainted: G D W 5.10.206-cip41 #1 <4>[ 78.885105] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 78.891912] PC is at lkdtm_rodata_do_nothing+0x0/0x10 <4>[ 78.897242] LR is at execute_location+0xa4/0xb4 <4>[ 78.902042] pc : [] lr : [] psr: 600e0013 <4>[ 78.908577] sp : c6ccbe38 ip : c6ccbd40 fp : c6ccbe54 <4>[ 78.914070] r10: 0000000c r9 : c1ad5974 r8 : c15ebd0c <4>[ 78.919563] r7 : c6ccbf60 r6 : 00000000 r5 : c15ebfa8 r4 : c0c587dc <4>[ 78.926358] r3 : 4a846cb5 r2 : 4a846cb5 r1 : ef7ab5e0 r0 : 0000002b <4>[ 78.933156] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 78.940561] Control: 10c5387d Table: 16a6004a DAC: 00000051 <0>[ 78.946575] Process cat (pid: 2040, stack limit = 0x42b409b2) <0>[ 78.952591] Stack: (0xc6ccbe38 to 0xc6ccc000) <0>[ 78.957221] be20: 00000023 c5c95000 <0>[ 78.965671] be40: 0000000c c6ccbf60 c6ccbe64 c6ccbe58 c13c8518 c13c8298 c6ccbe74 c6ccbe68 <0>[ 78.974121] be60: c0c57a6c c13c8500 c6ccbe9c c6ccbe78 c0c57f6c c0c57a4c c0c57e4c c5967e00 <0>[ 78.982571] be80: b6e4d000 0000000c c5313cc0 c6ccbf60 c6ccbec4 c6ccbea0 c07e1bc0 c0c57e58 <0>[ 78.991021] bea0: 00000000 c5967e00 b6e4d000 c2815800 c6ccbf60 c07e1b5c c6ccbf5c c6ccbec8 <0>[ 78.999470] bec0: c059baac c07e1b68 00000001 00000000 c059c058 c13dd878 c059c058 c6cca000 <0>[ 79.007920] bee0: b6e4d000 00020000 00000004 0000000c 0001fff4 c6ccbee0 00000001 b6e4c000 <0>[ 79.016368] bf00: c5b2e500 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 79.024817] bf20: 00000000 00000000 c13dd878 4a846cb5 c206c120 c5967e00 c5967e00 c6cca000 <0>[ 79.033267] bf40: b6e4d000 00000000 00000000 00000004 c6ccbf94 c6ccbf60 c059c058 c059b9ac <0>[ 79.041715] bf60: 00000000 00000000 c6ccbfac 4a846cb5 0000000c 0000000c b6f94e00 00000004 <0>[ 79.050164] bf80: c03002e4 c6cca000 c6ccbfa4 c6ccbf98 c059c0e8 c059bff0 00000000 c6ccbfa8 <0>[ 79.058613] bfa0: c03000c0 c059c0dc 0000000c 0000000c 00000001 b6e4d000 0000000c 00000000 <0>[ 79.067063] bfc0: 0000000c 0000000c b6f94e00 00000004 00000001 00000000 00020000 be995ac4 <0>[ 79.075512] bfe0: 00000004 be9957f8 b6efed8f b6e857e6 800e0030 00000001 00000000 00000000 <0>[ 79.083956] Backtrace: <0>[ 79.086686] [] (execute_location) from [] (lkdtm_EXEC_RODATA+0x24/0x28) <0>[ 79.095310] r7:c6ccbf60 r6:0000000c r5:c5c95000 r4:00000023 <0>[ 79.101248] [] (lkdtm_EXEC_RODATA) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 79.109787] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 79.118073] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 79.126264] r9:c6ccbf60 r8:c5313cc0 r7:0000000c r6:b6e4d000 r5:c5967e00 r4:c0c57e4c <0>[ 79.134290] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 79.142394] r9:c07e1b5c r8:c6ccbf60 r7:c2815800 r6:b6e4d000 r5:c5967e00 r4:00000000 <0>[ 79.150411] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 79.157818] r10:00000004 r9:00000000 r8:00000000 r7:b6e4d000 r6:c6cca000 r5:c5967e00 <0>[ 79.165915] r4:c5967e00 <0>[ 79.168724] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 79.176132] r9:c6cca000 r8:c03002e4 r7:00000004 r6:b6f94e00 r5:0000000c r4:0000000c <0>[ 79.184152] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 79.191988] Exception stack(0xc6ccbfa8 to 0xc6ccbff0) <0>[ 79.197311] bfa0: 0000000c 0000000c 00000001 b6e4d000 0000000c 00000000 <0>[ 79.205760] bfc0: 0000000c 0000000c b6f94e00 00000004 00000001 00000000 00020000 be995ac4 <0>[ 79.214206] bfe0: 00000004 be9957f8 b6efed8f b6e857e6 <0>[ 79.219531] Code: 5f727563 6e756f63 00000074 aa55aa55 (e1a0c00d) <4>[ 79.225900] ---[ end trace d6e76fda740c8d37 ]--- # Segmentation fault # [ 78.807660] lkdtm: Performing direct entry EXEC_RODATA # [ 78.813147] lkdtm: attempting ok execution at c0c587dc # [ 78.818564] lkdtm: attempting bad execution at c15ebfa8 # [ 78.824157] 8<--- cut here --- # [ 78.827487] Unable to handle kernel paging request at virtual address c15ebfa8 # [ 78.834982] pgd = 98b29e09 # [ 78.837960] [c15ebfa8] *pgd=1141941e(bad) # [ 78.842260] Internal error: Oops: 8000000d [#7] SMP ARM # [ 78.847755] 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 dw_hdmi_imx dw_hdmi parallel_display caam error imx_ldb imxdrm flexcan can_dev etnaviv gpu_sched imx_ipu_v3 # [ 78.877093] CPU: 2 PID: 2040 Comm: cat Tainted: G D W 5.10.206-cip41 #1 # [ 78.885105] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 78.891912] PC is at lkdtm_rodata_do_nothing+0x0/0x10 # [ 78.897242] LR is at execute_location+0xa4/0xb4 # [ 78.902042] pc : [] lr : [] psr: 600e0013 # [ 78.908577] sp : c6ccbe38 ip : c6ccbd40 fp : c6ccbe54 # [ 78.914070] r10: 0000000c r9 : c1ad5974 r8 : c15ebd0c # [ 78.919563] r7 : c6ccbf60 r6 : 00000000 r5 : c15ebfa8 r4 : c0c587dc # [ 78.926358] r3 : 4a846cb5 r2 : 4a846cb5 r1 : ef7ab5e0 r0 : 0000002b # [ 78.933156] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 78.940561] Control: 10c5387d Table: 16a6004a DAC: 00000051 # [ 78.946575] Process cat (pid: 2040, stack limit = 0x42b409b2) # [ 78.952591] Stack: (0xc6ccbe38 to 0xc6ccc000) # [ 78.957221] be20: 00000023 c5c95000 # [ 78.965671] be40: 0000000c c6ccbf60 c6ccbe64 c6ccbe58 c13c8518 c13c8298 c6ccbe74 c6ccbe68 # [ 78.974121] be60: c0c57a6c c13c8500 c6ccbe9c c6ccbe78 c0c57f6c c0c57a4c c0c57e4c c5967e00 # [ 78.982571] be80: b6e4d000 0000000c c5313cc0 c6ccbf60 c6ccbec4 c6ccbea0 c07e1bc0 c0c57e58 # [ 78.991021] bea0: 00000000 c5967e00 b6e4d000 c2815800 c6ccbf60 c07e1b5c c6ccbf5c c6ccbec8 # [ 78.999470] bec0: c059baac c07e1b68 00000001 00000000 c059c058 c13dd878 c059c058 c6cca000 # [ 79.007920] bee0: b6e4d000 00020000 00000004 0000000c 0001fff4 c6ccbee0 00000001 b6e4c000 # [ 79.016368] bf00: c5b2e500 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 79.024817] bf20: 00000000 00000000 c13dd878 4a846cb5 c206c120 c5967e00 c5967e00 c6cca000 # [ 79.033267] bf40: b6e4d000 00000000 00000000 00000004 c6ccbf94 c6ccbf60 c059c058 c059b9ac # [ 79.041715] bf60: 00000000 00000000 c6ccbfac 4a846cb5 0000000c 0000000c b6f94e00 00000004 # [ 79.050164] bf80: c03002e4 c6cca000 c6ccbfa4 c6ccbf98 c059c0e8 c059bff0 00000000 c6ccbfa8 # [ 79.058613] bfa0: c03000c0 c059c0dc 0000000c 0000000c 00000001 b6e4d000 0000000c 00000000 # [ 79.067063] bfc0: 0000000c 0000000c b6f94e00 00000004 00000001 00000000 00020000 be995ac4 # [ 79.075512] bfe0: 00000004 be9957f8 b6efed8f b6e857e6 800e0030 00000001 00000000 00000000 # [ 79.083956] Backtrace: # [ 79.086686] [] (execute_location) from [] (lkdtm_EXEC_RODATA+0x24/0x28) # [ 79.095310] r7:c6ccbf60 r6:0000000c r5:c5c95000 r4:00000023 # [ 79.101248] [] (lkdtm_EXEC_RODATA) from [] (lkdtm_do_action+0x2c/0x4c) # [ 79.109787] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 79.118073] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 79.126264] r9:c6ccbf60 r8:c5313cc0 r7:0000000c r6:b6e4d000 r5:c5967e00 r4:c0c57e4c # [ 79.134290] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 79.142394] r9:c07e1b5c r8:c6ccbf60 r7:c2815800 r6:b6e4d000 r5:c5967e00 r4:00000000 # [ 79.150411] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 79.157818] r10:00000004 r9:00000000 r8:00000000 r7:b6e4d000 r6:c6cca000 r5:c5967e00 # [ 79.165915] r4:c5967e00 # [ 79.168724] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 79.176132] r9:c6cca000 r8:c03002e4 r7:00000004 r6:b6f94e00 r5:0000000c r4:0000000c # [ 79.184152] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 79.191988] Exception stack(0xc6ccbfa8 to 0xc6ccbff0) # [ 79.197311] bfa0: 0000000c 0000000c 00000001 b6e4d000 0000000c 00000000 # [ 79.205760] bfc0: 0000000c 0000000c b6f94e00 00000004 00000001 00000000 00020000 be995ac4 # [ 79.214206] bfe0: 00000004 be9957f8 b6efed8f b6e857e6 # [ 79.219531] Code: 5f727563 6e756f63 00000074 aa55aa55 (e1a0c00d) # [ 79.225900] ---[ end trace d6e76fda740c8d37 ]--- # EXEC_RODATA: missing 'call trace:': [FAIL] not ok 34 selftests: lkdtm: EXEC_RODATA.sh # exit=1 # selftests: lkdtm: EXEC_USERSPACE.sh <6>[ 79.803084] lkdtm: Performing direct entry EXEC_USERSPACE <6>[ 79.808781] lkdtm: attempting ok execution at c0c587dc <6>[ 79.814325] lkdtm: attempting bad execution at b6fd8000 <1>[ 79.819897] Unhandled prefetch abort: page domain fault (0x00b) at 0xb6fd8000 <0>[ 79.827309] Internal error: : b [#8] SMP ARM <4>[ 79.831849] 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 dw_hdmi_imx dw_hdmi parallel_display caam error imx_ldb imxdrm flexcan can_dev etnaviv gpu_sched imx_ipu_v3 <4>[ 79.861188] CPU: 1 PID: 2117 Comm: cat Tainted: G D W 5.10.206-cip41 #1 <4>[ 79.869200] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 79.876001] PC is at 0xb6fd8000 <4>[ 79.879421] LR is at lkdtm_EXEC_USERSPACE+0xc4/0xd4 <4>[ 79.884571] pc : [] lr : [] psr: 600e0013 <4>[ 79.891106] sp : c6ccbe48 ip : c6ccbd50 fp : c6ccbe64 <4>[ 79.896599] r10: 0000000f r9 : c1ad5980 r8 : c15ebd0c <4>[ 79.902091] r7 : c6ccbf60 r6 : 0000000f r5 : c5a4e000 r4 : b6fd8000 <4>[ 79.908885] r3 : 508cc590 r2 : 508cc590 r1 : ef7965e0 r0 : 0000002b <4>[ 79.915681] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 79.923087] Control: 10c5387d Table: 16da404a DAC: 00000051 <0>[ 79.929103] Process cat (pid: 2117, stack limit = 0x42b409b2) <0>[ 79.935119] Stack: (0xc6ccbe48 to 0xc6ccc000) <0>[ 79.939751] be40: 00000001 00000000 0000000f 00000024 c6ccbe74 c6ccbe68 <0>[ 79.948200] be60: c0c57a6c c0c58878 c6ccbe9c c6ccbe78 c0c57f6c c0c57a4c c0c57e4c c59097c0 <0>[ 79.956649] be80: b6e92000 0000000f c5313cc0 c6ccbf60 c6ccbec4 c6ccbea0 c07e1bc0 c0c57e58 <0>[ 79.965098] bea0: 00000000 c59097c0 b6e92000 c2815800 c6ccbf60 c07e1b5c c6ccbf5c c6ccbec8 <0>[ 79.973547] bec0: c059baac c07e1b68 00000001 00000000 c059c058 c13dd878 c059c058 c6cca000 <0>[ 79.981997] bee0: b6e92000 00020000 00000004 0000000f 0001fff1 c6ccbee0 00000001 b6e91000 <0>[ 79.990446] bf00: c59aec80 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 79.998895] bf20: 00000000 00000000 c13dd878 508cc590 c206c120 c59097c0 c59097c0 c6cca000 <0>[ 80.007344] bf40: b6e92000 00000000 00000000 00000004 c6ccbf94 c6ccbf60 c059c058 c059b9ac <0>[ 80.015793] bf60: 00000000 00000000 c6ccbfac 508cc590 0000000f 0000000f b6fd9e00 00000004 <0>[ 80.024241] bf80: c03002e4 c6cca000 c6ccbfa4 c6ccbf98 c059c0e8 c059bff0 00000000 c6ccbfa8 <0>[ 80.032690] bfa0: c03000c0 c059c0dc 0000000f 0000000f 00000001 b6e92000 0000000f 00000000 <0>[ 80.041139] bfc0: 0000000f 0000000f b6fd9e00 00000004 00000001 00000000 00020000 bed14ac4 <0>[ 80.049589] bfe0: 00000004 bed147f8 b6f43d8f b6eca7e6 800e0030 00000001 00000000 00000000 <0>[ 80.058031] Backtrace: <0>[ 80.060763] [] (lkdtm_EXEC_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 80.069556] r4:00000024 <0>[ 80.072367] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 80.080651] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 80.088842] r9:c6ccbf60 r8:c5313cc0 r7:0000000f r6:b6e92000 r5:c59097c0 r4:c0c57e4c <0>[ 80.096865] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 80.104969] r9:c07e1b5c r8:c6ccbf60 r7:c2815800 r6:b6e92000 r5:c59097c0 r4:00000000 <0>[ 80.112987] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 80.120397] r10:00000004 r9:00000000 r8:00000000 r7:b6e92000 r6:c6cca000 r5:c59097c0 <0>[ 80.128492] r4:c59097c0 <0>[ 80.131301] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 80.138709] r9:c6cca000 r8:c03002e4 r7:00000004 r6:b6fd9e00 r5:0000000f r4:0000000f <0>[ 80.146727] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 80.154563] Exception stack(0xc6ccbfa8 to 0xc6ccbff0) <0>[ 80.159886] bfa0: 0000000f 0000000f 00000001 b6e92000 0000000f 00000000 <0>[ 80.168335] bfc0: 0000000f 0000000f b6fd9e00 00000004 00000001 00000000 00020000 bed14ac4 <0>[ 80.176781] bfe0: 00000004 bed147f8 b6f43d8f b6eca7e6 <0>[ 80.182107] Code: bad PC value <4>[ 80.185437] ---[ end trace d6e76fda740c8d38 ]--- # Segmentation fault # [ 79.803084] lkdtm: Performing direct entry EXEC_USERSPACE # [ 79.808781] lkdtm: attempting ok execution at c0c587dc # [ 79.814325] lkdtm: attempting bad execution at b6fd8000 # [ 79.819897] Unhandled prefetch abort: page domain fault (0x00b) at 0xb6fd8000 # [ 79.827309] Internal error: : b [#8] SMP ARM # [ 79.831849] 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 dw_hdmi_imx dw_hdmi parallel_display caam error imx_ldb imxdrm flexcan can_dev etnaviv gpu_sched imx_ipu_v3 # [ 79.861188] CPU: 1 PID: 2117 Comm: cat Tainted: G D W 5.10.206-cip41 #1 # [ 79.869200] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 79.876001] PC is at 0xb6fd8000 # [ 79.879421] LR is at lkdtm_EXEC_USERSPACE+0xc4/0xd4 # [ 79.884571] pc : [] lr : [] psr: 600e0013 # [ 79.891106] sp : c6ccbe48 ip : c6ccbd50 fp : c6ccbe64 # [ 79.896599] r10: 0000000f r9 : c1ad5980 r8 : c15ebd0c # [ 79.902091] r7 : c6ccbf60 r6 : 0000000f r5 : c5a4e000 r4 : b6fd8000 # [ 79.908885] r3 : 508cc590 r2 : 508cc590 r1 : ef7965e0 r0 : 0000002b # [ 79.915681] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 79.923087] Control: 10c5387d Table: 16da404a DAC: 00000051 # [ 79.929103] Process cat (pid: 2117, stack limit = 0x42b409b2) # [ 79.935119] Stack: (0xc6ccbe48 to 0xc6ccc000) # [ 79.939751] be40: 00000001 00000000 0000000f 00000024 c6ccbe74 c6ccbe68 # [ 79.948200] be60: c0c57a6c c0c58878 c6ccbe9c c6ccbe78 c0c57f6c c0c57a4c c0c57e4c c59097c0 # [ 79.956649] be80: b6e92000 0000000f c5313cc0 c6ccbf60 c6ccbec4 c6ccbea0 c07e1bc0 c0c57e58 # [ 79.965098] bea0: 00000000 c59097c0 b6e92000 c2815800 c6ccbf60 c07e1b5c c6ccbf5c c6ccbec8 # [ 79.973547] bec0: c059baac c07e1b68 00000001 00000000 c059c058 c13dd878 c059c058 c6cca000 # [ 79.981997] bee0: b6e92000 00020000 00000004 0000000f 0001fff1 c6ccbee0 00000001 b6e91000 # [ 79.990446] bf00: c59aec80 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 79.998895] bf20: 00000000 00000000 c13dd878 508cc590 c206c120 c59097c0 c59097c0 c6cca000 # [ 80.007344] bf40: b6e92000 00000000 00000000 00000004 c6ccbf94 c6ccbf60 c059c058 c059b9ac # [ 80.015793] bf60: 00000000 00000000 c6ccbfac 508cc590 0000000f 0000000f b6fd9e00 00000004 # [ 80.024241] bf80: c03002e4 c6cca000 c6ccbfa4 c6ccbf98 c059c0e8 c059bff0 00000000 c6ccbfa8 # [ 80.032690] bfa0: c03000c0 c059c0dc 0000000f 0000000f 00000001 b6e92000 0000000f 00000000 # [ 80.041139] bfc0: 0000000f 0000000f b6fd9e00 00000004 00000001 00000000 00020000 bed14ac4 # [ 80.049589] bfe0: 00000004 bed147f8 b6f43d8f b6eca7e6 800e0030 00000001 00000000 00000000 # [ 80.058031] Backtrace: # [ 80.060763] [] (lkdtm_EXEC_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 80.069556] r4:00000024 # [ 80.072367] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 80.080651] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 80.088842] r9:c6ccbf60 r8:c5313cc0 r7:0000000f r6:b6e92000 r5:c59097c0 r4:c0c57e4c # [ 80.096865] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 80.104969] r9:c07e1b5c r8:c6ccbf60 r7:c2815800 r6:b6e92000 r5:c59097c0 r4:00000000 # [ 80.112987] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 80.120397] r10:00000004 r9:00000000 r8:00000000 r7:b6e92000 r6:c6cca000 r5:c59097c0 # [ 80.128492] r4:c59097c0 # [ 80.131301] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 80.138709] r9:c6cca000 r8:c03002e4 r7:00000004 r6:b6fd9e00 r5:0000000f r4:0000000f # [ 80.146727] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 80.154563] Exception stack(0xc6ccbfa8 to 0xc6ccbff0) # [ 80.159886] bfa0: 0000000f 0000000f 00000001 b6e92000 0000000f 00000000 # [ 80.168335] bfc0: 0000000f 0000000f b6fd9e00 00000004 00000001 00000000 00020000 bed14ac4 # [ 80.176781] bfe0: 00000004 bed147f8 b6f43d8f b6eca7e6 # [ 80.182107] Code: bad PC value # [ 80.185437] ---[ end trace d6e76fda740c8d38 ]--- # EXEC_USERSPACE: missing 'call trace:': [FAIL] not ok 35 selftests: lkdtm: EXEC_USERSPACE.sh # exit=1 # selftests: lkdtm: EXEC_NULL.sh <6>[ 80.729725] lkdtm: Performing direct entry EXEC_NULL <6>[ 80.734979] lkdtm: attempting ok execution at c0c587dc <6>[ 80.740482] lkdtm: attempting bad execution at 00000000 <1>[ 80.745993] 8<--- cut here --- <1>[ 80.749382] Unable to handle kernel NULL pointer dereference at virtual address 00000000 <1>[ 80.757770] pgd = d2dde342 <1>[ 80.760796] [00000000] *pgd=00000000 <0>[ 80.764671] Internal error: Oops: 80000005 [#9] SMP ARM <4>[ 80.770171] 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 dw_hdmi_imx dw_hdmi parallel_display caam error imx_ldb imxdrm flexcan can_dev etnaviv gpu_sched imx_ipu_v3 <4>[ 80.799490] CPU: 3 PID: 2189 Comm: cat Tainted: G D W 5.10.206-cip41 #1 <4>[ 80.807503] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 80.814308] PC is at 0x0 <4>[ 80.817124] LR is at execute_location+0xa4/0xb4 <4>[ 80.821926] pc : [<00000000>] lr : [] psr: 600e0013 <4>[ 80.828463] sp : c6889e38 ip : 00000027 fp : c6889e54 <4>[ 80.833956] r10: 0000000a r9 : c1ad5990 r8 : c15ebd0c <4>[ 80.839450] r7 : c6889f60 r6 : 00000000 r5 : 00000000 r4 : c0c587dc <4>[ 80.846246] r3 : af567d80 r2 : af567d80 r1 : ef7c05e4 r0 : 0000002b <4>[ 80.853043] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 80.860448] Control: 10c5387d Table: 16d1004a DAC: 00000051 <0>[ 80.866466] Process cat (pid: 2189, stack limit = 0xded8e304) <0>[ 80.872482] Stack: (0xc6889e38 to 0xc688a000) <0>[ 80.877110] 9e20: 00000025 c5dd9000 <0>[ 80.885562] 9e40: 0000000a c6889f60 c6889e64 c6889e58 c13c853c c13c8298 c6889e74 c6889e68 <0>[ 80.894012] 9e60: c0c57a6c c13c8528 c6889e9c c6889e78 c0c57f6c c0c57a4c c0c57e4c c59aec80 <0>[ 80.902462] 9e80: b6e54000 0000000a c5313cc0 c6889f60 c6889ec4 c6889ea0 c07e1bc0 c0c57e58 <0>[ 80.910911] 9ea0: 00000000 c59aec80 b6e54000 c2815800 c6889f60 c07e1b5c c6889f5c c6889ec8 <0>[ 80.919362] 9ec0: c059baac c07e1b68 00000001 00000000 c059c058 c13dd878 c059c058 c6888000 <0>[ 80.927810] 9ee0: b6e54000 00020000 00000004 0000000a 0001fff6 c6889ee0 00000001 b6e53000 <0>[ 80.936258] 9f00: c5b2e500 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 80.944708] 9f20: 00000000 00000000 c13dd878 af567d80 c206c120 c59aec80 c59aec80 c6888000 <0>[ 80.953158] 9f40: b6e54000 00000000 00000000 00000004 c6889f94 c6889f60 c059c058 c059b9ac <0>[ 80.961609] 9f60: 00000000 00000000 c6889fac af567d80 0000000a 0000000a b6f9be00 00000004 <0>[ 80.970058] 9f80: c03002e4 c6888000 c6889fa4 c6889f98 c059c0e8 c059bff0 00000000 c6889fa8 <0>[ 80.978506] 9fa0: c03000c0 c059c0dc 0000000a 0000000a 00000001 b6e54000 0000000a 00000000 <0>[ 80.986956] 9fc0: 0000000a 0000000a b6f9be00 00000004 00000001 00000000 00020000 be828ac4 <0>[ 80.995404] 9fe0: 00000004 be8287f8 b6f05d8f b6e8c7e6 800e0030 00000001 00000000 00000000 <0>[ 81.003846] Backtrace: <0>[ 81.006582] [] (execute_location) from [] (lkdtm_EXEC_NULL+0x20/0x24) <0>[ 81.015032] r7:c6889f60 r6:0000000a r5:c5dd9000 r4:00000025 <0>[ 81.020972] [] (lkdtm_EXEC_NULL) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 81.029337] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 81.037622] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 81.045813] r9:c6889f60 r8:c5313cc0 r7:0000000a r6:b6e54000 r5:c59aec80 r4:c0c57e4c <0>[ 81.053837] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 81.061941] r9:c07e1b5c r8:c6889f60 r7:c2815800 r6:b6e54000 r5:c59aec80 r4:00000000 <0>[ 81.069958] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 81.077365] r10:00000004 r9:00000000 r8:00000000 r7:b6e54000 r6:c6888000 r5:c59aec80 <0>[ 81.085461] r4:c59aec80 <0>[ 81.088270] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 81.095678] r9:c6888000 r8:c03002e4 r7:00000004 r6:b6f9be00 r5:0000000a r4:0000000a <0>[ 81.103700] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 81.111537] Exception stack(0xc6889fa8 to 0xc6889ff0) <0>[ 81.116860] 9fa0: 0000000a 0000000a 00000001 b6e54000 0000000a 00000000 <0>[ 81.125310] 9fc0: 0000000a 0000000a b6f9be00 00000004 00000001 00000000 00020000 be828ac4 <0>[ 81.133756] 9fe0: 00000004 be8287f8 b6f05d8f b6e8c7e6 <0>[ 81.139085] Code: bad PC value <4>[ 81.142523] ---[ end trace d6e76fda740c8d39 ]--- # Segmentation fault # [ 80.729725] lkdtm: Performing direct entry EXEC_NULL # [ 80.734979] lkdtm: attempting ok execution at c0c587dc # [ 80.740482] lkdtm: attempting bad execution at 00000000 # [ 80.745993] 8<--- cut here --- # [ 80.749382] Unable to handle kernel NULL pointer dereference at virtual address 00000000 # [ 80.757770] pgd = d2dde342 # [ 80.760796] [00000000] *pgd=00000000 # [ 80.764671] Internal error: Oops: 80000005 [#9] SMP ARM # [ 80.770171] 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 dw_hdmi_imx dw_hdmi parallel_display caam error imx_ldb imxdrm flexcan can_dev etnaviv gpu_sched imx_ipu_v3 # [ 80.799490] CPU: 3 PID: 2189 Comm: cat Tainted: G D W 5.10.206-cip41 #1 # [ 80.807503] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 80.814308] PC is at 0x0 # [ 80.817124] LR is at execute_location+0xa4/0xb4 # [ 80.821926] pc : [<00000000>] lr : [] psr: 600e0013 # [ 80.828463] sp : c6889e38 ip : 00000027 fp : c6889e54 # [ 80.833956] r10: 0000000a r9 : c1ad5990 r8 : c15ebd0c # [ 80.839450] r7 : c6889f60 r6 : 00000000 r5 : 00000000 r4 : c0c587dc # [ 80.846246] r3 : af567d80 r2 : af567d80 r1 : ef7c05e4 r0 : 0000002b # [ 80.853043] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 80.860448] Control: 10c5387d Table: 16d1004a DAC: 00000051 # [ 80.866466] Process cat (pid: 2189, stack limit = 0xded8e304) # [ 80.872482] Stack: (0xc6889e38 to 0xc688a000) # [ 80.877110] 9e20: 00000025 c5dd9000 # [ 80.885562] 9e40: 0000000a c6889f60 c6889e64 c6889e58 c13c853c c13c8298 c6889e74 c6889e68 # [ 80.894012] 9e60: c0c57a6c c13c8528 c6889e9c c6889e78 c0c57f6c c0c57a4c c0c57e4c c59aec80 # [ 80.902462] 9e80: b6e54000 0000000a c5313cc0 c6889f60 c6889ec4 c6889ea0 c07e1bc0 c0c57e58 # [ 80.910911] 9ea0: 00000000 c59aec80 b6e54000 c2815800 c6889f60 c07e1b5c c6889f5c c6889ec8 # [ 80.919362] 9ec0: c059baac c07e1b68 00000001 00000000 c059c058 c13dd878 c059c058 c6888000 # [ 80.927810] 9ee0: b6e54000 00020000 00000004 0000000a 0001fff6 c6889ee0 00000001 b6e53000 # [ 80.936258] 9f00: c5b2e500 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 80.944708] 9f20: 00000000 00000000 c13dd878 af567d80 c206c120 c59aec80 c59aec80 c6888000 # [ 80.953158] 9f40: b6e54000 00000000 00000000 00000004 c6889f94 c6889f60 c059c058 c059b9ac # [ 80.961609] 9f60: 00000000 00000000 c6889fac af567d80 0000000a 0000000a b6f9be00 00000004 # [ 80.970058] 9f80: c03002e4 c6888000 c6889fa4 c6889f98 c059c0e8 c059bff0 00000000 c6889fa8 # [ 80.978506] 9fa0: c03000c0 c059c0dc 0000000a 0000000a 00000001 b6e54000 0000000a 00000000 # [ 80.986956] 9fc0: 0000000a 0000000a b6f9be00 00000004 00000001 00000000 00020000 be828ac4 # [ 80.995404] 9fe0: 00000004 be8287f8 b6f05d8f b6e8c7e6 800e0030 00000001 00000000 00000000 # [ 81.003846] Backtrace: # [ 81.006582] [] (execute_location) from [] (lkdtm_EXEC_NULL+0x20/0x24) # [ 81.015032] r7:c6889f60 r6:0000000a r5:c5dd9000 r4:00000025 # [ 81.020972] [] (lkdtm_EXEC_NULL) from [] (lkdtm_do_action+0x2c/0x4c) # [ 81.029337] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 81.037622] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 81.045813] r9:c6889f60 r8:c5313cc0 r7:0000000a r6:b6e54000 r5:c59aec80 r4:c0c57e4c # [ 81.053837] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 81.061941] r9:c07e1b5c r8:c6889f60 r7:c2815800 r6:b6e54000 r5:c59aec80 r4:00000000 # [ 81.069958] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 81.077365] r10:00000004 r9:00000000 r8:00000000 r7:b6e54000 r6:c6888000 r5:c59aec80 # [ 81.085461] r4:c59aec80 # [ 81.088270] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 81.095678] r9:c6888000 r8:c03002e4 r7:00000004 r6:b6f9be00 r5:0000000a r4:0000000a # [ 81.103700] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 81.111537] Exception stack(0xc6889fa8 to 0xc6889ff0) # [ 81.116860] 9fa0: 0000000a 0000000a 00000001 b6e54000 0000000a 00000000 # [ 81.125310] 9fc0: 0000000a 0000000a b6f9be00 00000004 00000001 00000000 00020000 be828ac4 # [ 81.133756] 9fe0: 00000004 be8287f8 b6f05d8f b6e8c7e6 # [ 81.139085] Code: bad PC value # [ 81.142523] ---[ end trace d6e76fda740c8d39 ]--- # EXEC_NULL: missing 'call trace:': [FAIL] not ok 36 selftests: lkdtm: EXEC_NULL.sh # exit=1 # selftests: lkdtm: ACCESS_USERSPACE.sh <6>[ 81.717843] lkdtm: Performing direct entry ACCESS_USERSPACE <6>[ 81.723993] lkdtm: attempting bad read at b6f27000 <1>[ 81.729206] 8<--- cut here --- <1>[ 81.732555] Unhandled fault: page domain fault (0x01b) at 0xb6f27000 <1>[ 81.739210] pgd = 8482d332 <1>[ 81.742197] [b6f27000] *pgd=49505831 <0>[ 81.746059] Internal error: : 1b [#10] SMP ARM <4>[ 81.750772] 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 dw_hdmi_imx dw_hdmi parallel_display caam error imx_ldb imxdrm flexcan can_dev etnaviv gpu_sched imx_ipu_v3 <4>[ 81.780111] CPU: 1 PID: 2266 Comm: cat Tainted: G D W 5.10.206-cip41 #1 <4>[ 81.788126] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 81.794936] PC is at lkdtm_ACCESS_USERSPACE+0x114/0x16c <4>[ 81.800435] LR is at __irq_work_queue_local+0x40/0x74 <4>[ 81.805757] pc : [] lr : [] psr: 600e0013 <4>[ 81.812292] sp : c6cc9e38 ip : c6cc9d40 fp : c6cc9e64 <4>[ 81.817787] r10: 00000011 r9 : c1ad599c r8 : c15ebd0c <4>[ 81.823280] r7 : c6cc9f60 r6 : 00000051 r5 : c6cc8000 r4 : b6f27000 <4>[ 81.830076] r3 : 52780daf r2 : 52780daf r1 : ef7965e0 r0 : 00000026 <4>[ 81.836876] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 81.844281] Control: 10c5387d Table: 16d9004a DAC: 00000051 <0>[ 81.850299] Process cat (pid: 2266, stack limit = 0xbcf49d59) <0>[ 81.856316] Stack: (0xc6cc9e38 to 0xc6cca000) <0>[ 81.860945] 9e20: 00000022 00000000 <0>[ 81.869396] 9e40: 00000000 52780daf c6cc9e6c 00000026 c6b58000 00000011 c6cc9e74 c6cc9e68 <0>[ 81.877846] 9e60: c0c57a6c c0c5894c c6cc9e9c c6cc9e78 c0c57f6c c0c57a4c c0c57e4c c5f872c0 <0>[ 81.886295] 9e80: b6de1000 00000011 c5313cc0 c6cc9f60 c6cc9ec4 c6cc9ea0 c07e1bc0 c0c57e58 <0>[ 81.894745] 9ea0: 00000000 c5f872c0 b6de1000 c2815800 c6cc9f60 c07e1b5c c6cc9f5c c6cc9ec8 <0>[ 81.903194] 9ec0: c059baac c07e1b68 00000001 00000000 c059c058 c58dba24 c059c058 c6cc8000 <0>[ 81.911644] 9ee0: b6de1000 00020000 00000004 00000011 0001ffef c6cc9ee0 00000001 00000805 <0>[ 81.920092] 9f00: c68557c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 81.928542] 9f20: 00000000 00000000 c6cc8000 52780daf b6de0000 c5f872c0 c5f872c0 c6cc8000 <0>[ 81.936991] 9f40: b6de1000 00000000 00000000 00000004 c6cc9f94 c6cc9f60 c059c058 c059b9ac <0>[ 81.945440] 9f60: 00000000 00000000 c6cc9fac 52780daf 00000011 00000011 b6f28e00 00000004 <0>[ 81.953889] 9f80: c03002e4 c6cc8000 c6cc9fa4 c6cc9f98 c059c0e8 c059bff0 00000000 c6cc9fa8 <0>[ 81.962339] 9fa0: c03000c0 c059c0dc 00000011 00000011 00000001 b6de1000 00000011 00000000 <0>[ 81.970787] 9fc0: 00000011 00000011 b6f28e00 00000004 00000001 00000000 00020000 bef1cac4 <0>[ 81.979237] 9fe0: 00000004 bef1c7f8 b6e92d8f b6e197e6 800e0030 00000001 00000000 00000000 <0>[ 81.987680] Backtrace: <0>[ 81.990414] [] (lkdtm_ACCESS_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 81.999385] r6:00000011 r5:c6b58000 r4:00000026 <0>[ 82.004279] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 82.012563] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 82.020755] r9:c6cc9f60 r8:c5313cc0 r7:00000011 r6:b6de1000 r5:c5f872c0 r4:c0c57e4c <0>[ 82.028779] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 82.036884] r9:c07e1b5c r8:c6cc9f60 r7:c2815800 r6:b6de1000 r5:c5f872c0 r4:00000000 <0>[ 82.044901] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 82.052309] r10:00000004 r9:00000000 r8:00000000 r7:b6de1000 r6:c6cc8000 r5:c5f872c0 <0>[ 82.060406] r4:c5f872c0 <0>[ 82.063215] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 82.070622] r9:c6cc8000 r8:c03002e4 r7:00000004 r6:b6f28e00 r5:00000011 r4:00000011 <0>[ 82.078644] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 82.086482] Exception stack(0xc6cc9fa8 to 0xc6cc9ff0) <0>[ 82.091806] 9fa0: 00000011 00000011 00000001 b6de1000 00000011 00000000 <0>[ 82.100256] 9fc0: 00000011 00000011 b6f28e00 00000004 00000001 00000000 00020000 bef1cac4 <0>[ 82.108702] 9fe0: 00000004 bef1c7f8 b6e92d8f b6e197e6 <0>[ 82.114028] Code: e1a01004 e30608c0 e34c01ad eb1d928c (e5943000) <4>[ 82.120397] ---[ end trace d6e76fda740c8d3a ]--- # Segmentation fault # [ 81.717843] lkdtm: Performing direct entry ACCESS_USERSPACE # [ 81.723993] lkdtm: attempting bad read at b6f27000 # [ 81.729206] 8<--- cut here --- # [ 81.732555] Unhandled fault: page domain fault (0x01b) at 0xb6f27000 # [ 81.739210] pgd = 8482d332 # [ 81.742197] [b6f27000] *pgd=49505831 # [ 81.746059] Internal error: : 1b [#10] SMP ARM # [ 81.750772] 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 dw_hdmi_imx dw_hdmi parallel_display caam error imx_ldb imxdrm flexcan can_dev etnaviv gpu_sched imx_ipu_v3 # [ 81.780111] CPU: 1 PID: 2266 Comm: cat Tainted: G D W 5.10.206-cip41 #1 # [ 81.788126] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 81.794936] PC is at lkdtm_ACCESS_USERSPACE+0x114/0x16c # [ 81.800435] LR is at __irq_work_queue_local+0x40/0x74 # [ 81.805757] pc : [] lr : [] psr: 600e0013 # [ 81.812292] sp : c6cc9e38 ip : c6cc9d40 fp : c6cc9e64 # [ 81.817787] r10: 00000011 r9 : c1ad599c r8 : c15ebd0c # [ 81.823280] r7 : c6cc9f60 r6 : 00000051 r5 : c6cc8000 r4 : b6f27000 # [ 81.830076] r3 : 52780daf r2 : 52780daf r1 : ef7965e0 r0 : 00000026 # [ 81.836876] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 81.844281] Control: 10c5387d Table: 16d9004a DAC: 00000051 # [ 81.850299] Process cat (pid: 2266, stack limit = 0xbcf49d59) # [ 81.856316] Stack: (0xc6cc9e38 to 0xc6cca000) # [ 81.860945] 9e20: 00000022 00000000 # [ 81.869396] 9e40: 00000000 52780daf c6cc9e6c 00000026 c6b58000 00000011 c6cc9e74 c6cc9e68 # [ 81.877846] 9e60: c0c57a6c c0c5894c c6cc9e9c c6cc9e78 c0c57f6c c0c57a4c c0c57e4c c5f872c0 # [ 81.886295] 9e80: b6de1000 00000011 c5313cc0 c6cc9f60 c6cc9ec4 c6cc9ea0 c07e1bc0 c0c57e58 # [ 81.894745] 9ea0: 00000000 c5f872c0 b6de1000 c2815800 c6cc9f60 c07e1b5c c6cc9f5c c6cc9ec8 # [ 81.903194] 9ec0: c059baac c07e1b68 00000001 00000000 c059c058 c58dba24 c059c058 c6cc8000 # [ 81.911644] 9ee0: b6de1000 00020000 00000004 00000011 0001ffef c6cc9ee0 00000001 00000805 # [ 81.920092] 9f00: c68557c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 81.928542] 9f20: 00000000 00000000 c6cc8000 52780daf b6de0000 c5f872c0 c5f872c0 c6cc8000 # [ 81.936991] 9f40: b6de1000 00000000 00000000 00000004 c6cc9f94 c6cc9f60 c059c058 c059b9ac # [ 81.945440] 9f60: 00000000 00000000 c6cc9fac 52780daf 00000011 00000011 b6f28e00 00000004 # [ 81.953889] 9f80: c03002e4 c6cc8000 c6cc9fa4 c6cc9f98 c059c0e8 c059bff0 00000000 c6cc9fa8 # [ 81.962339] 9fa0: c03000c0 c059c0dc 00000011 00000011 00000001 b6de1000 00000011 00000000 # [ 81.970787] 9fc0: 00000011 00000011 b6f28e00 00000004 00000001 00000000 00020000 bef1cac4 # [ 81.979237] 9fe0: 00000004 bef1c7f8 b6e92d8f b6e197e6 800e0030 00000001 00000000 00000000 # [ 81.987680] Backtrace: # [ 81.990414] [] (lkdtm_ACCESS_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 81.999385] r6:00000011 r5:c6b58000 r4:00000026 # [ 82.004279] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 82.012563] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 82.020755] r9:c6cc9f60 r8:c5313cc0 r7:00000011 r6:b6de1000 r5:c5f872c0 r4:c0c57e4c # [ 82.028779] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 82.036884] r9:c07e1b5c r8:c6cc9f60 r7:c2815800 r6:b6de1000 r5:c5f872c0 r4:00000000 # [ 82.044901] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 82.052309] r10:00000004 r9:00000000 r8:00000000 r7:b6de1000 r6:c6cc8000 r5:c5f872c0 # [ 82.060406] r4:c5f872c0 # [ 82.063215] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 82.070622] r9:c6cc8000 r8:c03002e4 r7:00000004 r6:b6f28e00 r5:00000011 r4:00000011 # [ 82.078644] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 82.086482] Exception stack(0xc6cc9fa8 to 0xc6cc9ff0) # [ 82.091806] 9fa0: 00000011 00000011 00000001 b6de1000 00000011 00000000 # [ 82.100256] 9fc0: 00000011 00000011 b6f28e00 00000004 00000001 00000000 00020000 bef1cac4 # [ 82.108702] 9fe0: 00000004 bef1c7f8 b6e92d8f b6e197e6 # [ 82.114028] Code: e1a01004 e30608c0 e34c01ad eb1d928c (e5943000) # [ 82.120397] ---[ end trace d6e76fda740c8d3a ]--- # ACCESS_USERSPACE: missing 'call trace:': [FAIL] not ok 37 selftests: lkdtm: ACCESS_USERSPACE.sh # exit=1 # selftests: lkdtm: ACCESS_NULL.sh <6>[ 82.648159] lkdtm: Performing direct entry ACCESS_NULL <6>[ 82.653647] lkdtm: attempting bad read at 00000000 <1>[ 82.658722] 8<--- cut here --- <1>[ 82.662112] Unable to handle kernel NULL pointer dereference at virtual address 00000000 <1>[ 82.670539] pgd = 5a3f872c <1>[ 82.673527] [00000000] *pgd=00000000 <0>[ 82.677401] Internal error: Oops: 5 [#11] SMP ARM <4>[ 82.682382] 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 dw_hdmi_imx dw_hdmi parallel_display caam error imx_ldb imxdrm flexcan can_dev etnaviv gpu_sched imx_ipu_v3 <4>[ 82.711708] CPU: 3 PID: 2342 Comm: cat Tainted: G D W 5.10.206-cip41 #1 <4>[ 82.719722] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 82.726532] PC is at lkdtm_ACCESS_NULL+0x28/0x68 <4>[ 82.731423] LR is at 0x0 <4>[ 82.734227] pc : [] lr : [<00000000>] psr: 600e0013 <4>[ 82.740764] sp : c68d9e50 ip : 00000027 fp : c68d9e64 <4>[ 82.746256] r10: 0000000c r9 : c1ad59b0 r8 : c15ebd0c <4>[ 82.751750] r7 : c68d9f60 r6 : 0000000c r5 : c5df8000 r4 : 00000000 <4>[ 82.758544] r3 : 22edace0 r2 : 22edace0 r1 : ef7c05e4 r0 : 00000026 <4>[ 82.765342] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 82.772746] Control: 10c5387d Table: 16df404a DAC: 00000051 <0>[ 82.778764] Process cat (pid: 2342, stack limit = 0xc729f81d) <0>[ 82.784779] Stack: (0xc68d9e50 to 0xc68da000) <0>[ 82.789412] 9e40: 00000027 c5df8000 c68d9e74 c68d9e68 <0>[ 82.797863] 9e60: c0c57a6c c13c854c c68d9e9c c68d9e78 c0c57f6c c0c57a4c c0c57e4c c6854640 <0>[ 82.806312] 9e80: b6e40000 0000000c c5313cc0 c68d9f60 c68d9ec4 c68d9ea0 c07e1bc0 c0c57e58 <0>[ 82.814763] 9ea0: 00000000 c6854640 b6e40000 c2815800 c68d9f60 c07e1b5c c68d9f5c c68d9ec8 <0>[ 82.823215] 9ec0: c059baac c07e1b68 00000001 00000000 c059c058 c13dd878 c059c058 c68d8000 <0>[ 82.831664] 9ee0: b6e40000 00020000 00000004 0000000c 0001fff4 c68d9ee0 00000001 b6e3f000 <0>[ 82.840113] 9f00: c69123c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 82.848564] 9f20: 00000000 00000000 c13dd878 22edace0 c206c120 c6854640 c6854640 c68d8000 <0>[ 82.857014] 9f40: b6e40000 00000000 00000000 00000004 c68d9f94 c68d9f60 c059c058 c059b9ac <0>[ 82.865465] 9f60: 00000000 00000000 c68d9fac 22edace0 0000000c 0000000c b6f87e00 00000004 <0>[ 82.873916] 9f80: c03002e4 c68d8000 c68d9fa4 c68d9f98 c059c0e8 c059bff0 00000000 c68d9fa8 <0>[ 82.882366] 9fa0: c03000c0 c059c0dc 0000000c 0000000c 00000001 b6e40000 0000000c 00000000 <0>[ 82.890817] 9fc0: 0000000c 0000000c b6f87e00 00000004 00000001 00000000 00020000 bee33ac4 <0>[ 82.899267] 9fe0: 00000004 bee337f8 b6ef1d8f b6e787e6 800e0030 00000001 00000000 00000000 <0>[ 82.907709] Backtrace: <0>[ 82.910446] [] (lkdtm_ACCESS_NULL) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 82.918979] r5:c5df8000 r4:00000027 <0>[ 82.922833] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 82.931117] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 82.939307] r9:c68d9f60 r8:c5313cc0 r7:0000000c r6:b6e40000 r5:c6854640 r4:c0c57e4c <0>[ 82.947333] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 82.955437] r9:c07e1b5c r8:c68d9f60 r7:c2815800 r6:b6e40000 r5:c6854640 r4:00000000 <0>[ 82.963454] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 82.970863] r10:00000004 r9:00000000 r8:00000000 r7:b6e40000 r6:c68d8000 r5:c6854640 <0>[ 82.978961] r4:c6854640 <0>[ 82.981771] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 82.989181] r9:c68d8000 r8:c03002e4 r7:00000004 r6:b6f87e00 r5:0000000c r4:0000000c <0>[ 82.997204] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 83.005044] Exception stack(0xc68d9fa8 to 0xc68d9ff0) <0>[ 83.010368] 9fa0: 0000000c 0000000c 00000001 b6e40000 0000000c 00000000 <0>[ 83.018818] 9fc0: 0000000c 0000000c b6f87e00 00000004 00000001 00000000 00020000 bee33ac4 <0>[ 83.027266] 9fe0: 00000004 bee337f8 b6ef1d8f b6e787e6 <0>[ 83.032592] Code: e30608c0 e34c01ad e1a01004 ebffd3c7 (e5945000) <4>[ 83.039097] ---[ end trace d6e76fda740c8d3b ]--- # Segmentation fault # [ 82.648159] lkdtm: Performing direct entry ACCESS_NULL # [ 82.653647] lkdtm: attempting bad read at 00000000 # [ 82.658722] 8<--- cut here --- # [ 82.662112] Unable to handle kernel NULL pointer dereference at virtual address 00000000 # [ 82.670539] pgd = 5a3f872c # [ 82.673527] [00000000] *pgd=00000000 # [ 82.677401] Internal error: Oops: 5 [#11] SMP ARM # [ 82.682382] 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 dw_hdmi_imx dw_hdmi parallel_display caam error imx_ldb imxdrm flexcan can_dev etnaviv gpu_sched imx_ipu_v3 # [ 82.711708] CPU: 3 PID: 2342 Comm: cat Tainted: G D W 5.10.206-cip41 #1 # [ 82.719722] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 82.726532] PC is at lkdtm_ACCESS_NULL+0x28/0x68 # [ 82.731423] LR is at 0x0 # [ 82.734227] pc : [] lr : [<00000000>] psr: 600e0013 # [ 82.740764] sp : c68d9e50 ip : 00000027 fp : c68d9e64 # [ 82.746256] r10: 0000000c r9 : c1ad59b0 r8 : c15ebd0c # [ 82.751750] r7 : c68d9f60 r6 : 0000000c r5 : c5df8000 r4 : 00000000 # [ 82.758544] r3 : 22edace0 r2 : 22edace0 r1 : ef7c05e4 r0 : 00000026 # [ 82.765342] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 82.772746] Control: 10c5387d Table: 16df404a DAC: 00000051 # [ 82.778764] Process cat (pid: 2342, stack limit = 0xc729f81d) # [ 82.784779] Stack: (0xc68d9e50 to 0xc68da000) # [ 82.789412] 9e40: 00000027 c5df8000 c68d9e74 c68d9e68 # [ 82.797863] 9e60: c0c57a6c c13c854c c68d9e9c c68d9e78 c0c57f6c c0c57a4c c0c57e4c c6854640 # [ 82.806312] 9e80: b6e40000 0000000c c5313cc0 c68d9f60 c68d9ec4 c68d9ea0 c07e1bc0 c0c57e58 # [ 82.814763] 9ea0: 00000000 c6854640 b6e40000 c2815800 c68d9f60 c07e1b5c c68d9f5c c68d9ec8 # [ 82.823215] 9ec0: c059baac c07e1b68 00000001 00000000 c059c058 c13dd878 c059c058 c68d8000 # [ 82.831664] 9ee0: b6e40000 00020000 00000004 0000000c 0001fff4 c68d9ee0 00000001 b6e3f000 # [ 82.840113] 9f00: c69123c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 82.848564] 9f20: 00000000 00000000 c13dd878 22edace0 c206c120 c6854640 c6854640 c68d8000 # [ 82.857014] 9f40: b6e40000 00000000 00000000 00000004 c68d9f94 c68d9f60 c059c058 c059b9ac # [ 82.865465] 9f60: 00000000 00000000 c68d9fac 22edace0 0000000c 0000000c b6f87e00 00000004 # [ 82.873916] 9f80: c03002e4 c68d8000 c68d9fa4 c68d9f98 c059c0e8 c059bff0 00000000 c68d9fa8 # [ 82.882366] 9fa0: c03000c0 c059c0dc 0000000c 0000000c 00000001 b6e40000 0000000c 00000000 # [ 82.890817] 9fc0: 0000000c 0000000c b6f87e00 00000004 00000001 00000000 00020000 bee33ac4 # [ 82.899267] 9fe0: 00000004 bee337f8 b6ef1d8f b6e787e6 800e0030 00000001 00000000 00000000 # [ 82.907709] Backtrace: # [ 82.910446] [] (lkdtm_ACCESS_NULL) from [] (lkdtm_do_action+0x2c/0x4c) # [ 82.918979] r5:c5df8000 r4:00000027 # [ 82.922833] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 82.931117] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 82.939307] r9:c68d9f60 r8:c5313cc0 r7:0000000c r6:b6e40000 r5:c6854640 r4:c0c57e4c # [ 82.947333] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 82.955437] r9:c07e1b5c r8:c68d9f60 r7:c2815800 r6:b6e40000 r5:c6854640 r4:00000000 # [ 82.963454] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 82.970863] r10:00000004 r9:00000000 r8:00000000 r7:b6e40000 r6:c68d8000 r5:c6854640 # [ 82.978961] r4:c6854640 # [ 82.981771] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 82.989181] r9:c68d8000 r8:c03002e4 r7:00000004 r6:b6f87e00 r5:0000000c r4:0000000c # [ 82.997204] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 83.005044] Exception stack(0xc68d9fa8 to 0xc68d9ff0) # [ 83.010368] 9fa0: 0000000c 0000000c 00000001 b6e40000 0000000c 00000000 # [ 83.018818] 9fc0: 0000000c 0000000c b6f87e00 00000004 00000001 00000000 00020000 bee33ac4 # [ 83.027266] 9fe0: 00000004 bee337f8 b6ef1d8f b6e787e6 # [ 83.032592] Code: e30608c0 e34c01ad e1a01004 ebffd3c7 (e5945000) # [ 83.039097] ---[ end trace d6e76fda740c8d3b ]--- # ACCESS_NULL: missing 'call trace:': [FAIL] not ok 38 selftests: lkdtm: ACCESS_NULL.sh # exit=1 # selftests: lkdtm: WRITE_RO.sh <6>[ 83.594142] lkdtm: Performing direct entry WRITE_RO <6>[ 83.599369] lkdtm: attempting bad rodata write at c15ebfa4 <1>[ 83.605136] 8<--- cut here --- <1>[ 83.608461] Unable to handle kernel paging request at virtual address c15ebfa4 <1>[ 83.615953] pgd = 8939496d <1>[ 83.618929] [c15ebfa4] *pgd=1141941e(bad) <0>[ 83.623227] Internal error: Oops: 80d [#12] SMP ARM <4>[ 83.628375] 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 dw_hdmi_imx dw_hdmi parallel_display caam error imx_ldb imxdrm flexcan can_dev etnaviv gpu_sched imx_ipu_v3 <4>[ 83.657714] CPU: 3 PID: 2417 Comm: cat Tainted: G D W 5.10.206-cip41 #1 <4>[ 83.665727] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 83.672534] PC is at lkdtm_WRITE_RO+0x44/0x50 <4>[ 83.677165] LR is at 0x0 <4>[ 83.679970] pc : [] lr : [<00000000>] psr: 600e0013 <4>[ 83.686506] sp : c6801e50 ip : 00000027 fp : c6801e64 <4>[ 83.692000] r10: 00000009 r9 : c1ad59bc r8 : c15ebd0c <4>[ 83.697492] r7 : c6801f60 r6 : 00000009 r5 : c5df8000 r4 : c15ebfa4 <4>[ 83.704287] r3 : 0198b861 r2 : aa55aa55 r1 : ef7c05e4 r0 : c1ad67c0 <4>[ 83.711085] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 83.718491] Control: 10c5387d Table: 1468004a DAC: 00000051 <0>[ 83.724506] Process cat (pid: 2417, stack limit = 0x3ba9c2a9) <0>[ 83.730523] Stack: (0xc6801e50 to 0xc6802000) <0>[ 83.735153] 1e40: 00000028 c5df8000 c6801e74 c6801e68 <0>[ 83.743603] 1e60: c0c57a6c c13c834c c6801e9c c6801e78 c0c57f6c c0c57a4c c0c57e4c c5a44640 <0>[ 83.752053] 1e80: b6dd8000 00000009 c5313cc0 c6801f60 c6801ec4 c6801ea0 c07e1bc0 c0c57e58 <0>[ 83.760502] 1ea0: 00000000 c5a44640 b6dd8000 c2815800 c6801f60 c07e1b5c c6801f5c c6801ec8 <0>[ 83.768952] 1ec0: c059baac c07e1b68 00000001 00000000 c059c058 c13dd878 c059c058 c6800000 <0>[ 83.777402] 1ee0: b6dd8000 00020000 00000004 00000009 0001fff7 c6801ee0 00000001 b6dd7000 <0>[ 83.785850] 1f00: c5b2edc0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 83.794300] 1f20: 00000000 00000000 c13dd878 9e56d3da c206c120 c5a44640 c5a44640 c6800000 <0>[ 83.802749] 1f40: b6dd8000 00000000 00000000 00000004 c6801f94 c6801f60 c059c058 c059b9ac <0>[ 83.811197] 1f60: 00000000 00000000 c6801fac 9e56d3da 00000009 00000009 b6f1fe00 00000004 <0>[ 83.819646] 1f80: c03002e4 c6800000 c6801fa4 c6801f98 c059c0e8 c059bff0 00000000 c6801fa8 <0>[ 83.828094] 1fa0: c03000c0 c059c0dc 00000009 00000009 00000001 b6dd8000 00000009 00000000 <0>[ 83.836543] 1fc0: 00000009 00000009 b6f1fe00 00000004 00000001 00000000 00020000 beeb9ac4 <0>[ 83.844992] 1fe0: 00000004 beeb97f8 b6e89d8f b6e107e6 800e0030 00000001 00000000 00000000 <0>[ 83.853434] Backtrace: <0>[ 83.856169] [] (lkdtm_WRITE_RO) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 83.864445] r5:c5df8000 r4:00000028 <0>[ 83.868295] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 83.876579] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 83.884768] r9:c6801f60 r8:c5313cc0 r7:00000009 r6:b6dd8000 r5:c5a44640 r4:c0c57e4c <0>[ 83.892791] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 83.900894] r9:c07e1b5c r8:c6801f60 r7:c2815800 r6:b6dd8000 r5:c5a44640 r4:00000000 <0>[ 83.908912] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 83.916318] r10:00000004 r9:00000000 r8:00000000 r7:b6dd8000 r6:c6800000 r5:c5a44640 <0>[ 83.924414] r4:c5a44640 <0>[ 83.927223] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 83.934630] r9:c6800000 r8:c03002e4 r7:00000004 r6:b6f1fe00 r5:00000009 r4:00000009 <0>[ 83.942649] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 83.950485] Exception stack(0xc6801fa8 to 0xc6801ff0) <0>[ 83.955809] 1fa0: 00000009 00000009 00000001 b6dd8000 00000009 00000000 <0>[ 83.964257] 1fc0: 00000009 00000009 b6f1fe00 00000004 00000001 00000000 00020000 beeb9ac4 <0>[ 83.972703] 1fe0: 00000004 beeb97f8 b6e89d8f b6e107e6 <0>[ 83.978027] Code: e34a3bcd e30607c0 e34c01ad e0233002 (e5843000) <4>[ 83.984396] ---[ end trace d6e76fda740c8d3c ]--- # Segmentation fault # [ 83.594142] lkdtm: Performing direct entry WRITE_RO # [ 83.599369] lkdtm: attempting bad rodata write at c15ebfa4 # [ 83.605136] 8<--- cut here --- # [ 83.608461] Unable to handle kernel paging request at virtual address c15ebfa4 # [ 83.615953] pgd = 8939496d # [ 83.618929] [c15ebfa4] *pgd=1141941e(bad) # [ 83.623227] Internal error: Oops: 80d [#12] SMP ARM # [ 83.628375] 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 dw_hdmi_imx dw_hdmi parallel_display caam error imx_ldb imxdrm flexcan can_dev etnaviv gpu_sched imx_ipu_v3 # [ 83.657714] CPU: 3 PID: 2417 Comm: cat Tainted: G D W 5.10.206-cip41 #1 # [ 83.665727] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 83.672534] PC is at lkdtm_WRITE_RO+0x44/0x50 # [ 83.677165] LR is at 0x0 # [ 83.679970] pc : [] lr : [<00000000>] psr: 600e0013 # [ 83.686506] sp : c6801e50 ip : 00000027 fp : c6801e64 # [ 83.692000] r10: 00000009 r9 : c1ad59bc r8 : c15ebd0c # [ 83.697492] r7 : c6801f60 r6 : 00000009 r5 : c5df8000 r4 : c15ebfa4 # [ 83.704287] r3 : 0198b861 r2 : aa55aa55 r1 : ef7c05e4 r0 : c1ad67c0 # [ 83.711085] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 83.718491] Control: 10c5387d Table: 1468004a DAC: 00000051 # [ 83.724506] Process cat (pid: 2417, stack limit = 0x3ba9c2a9) # [ 83.730523] Stack: (0xc6801e50 to 0xc6802000) # [ 83.735153] 1e40: 00000028 c5df8000 c6801e74 c6801e68 # [ 83.743603] 1e60: c0c57a6c c13c834c c6801e9c c6801e78 c0c57f6c c0c57a4c c0c57e4c c5a44640 # [ 83.752053] 1e80: b6dd8000 00000009 c5313cc0 c6801f60 c6801ec4 c6801ea0 c07e1bc0 c0c57e58 # [ 83.760502] 1ea0: 00000000 c5a44640 b6dd8000 c2815800 c6801f60 c07e1b5c c6801f5c c6801ec8 # [ 83.768952] 1ec0: c059baac c07e1b68 00000001 00000000 c059c058 c13dd878 c059c058 c6800000 # [ 83.777402] 1ee0: b6dd8000 00020000 00000004 00000009 0001fff7 c6801ee0 00000001 b6dd7000 # [ 83.785850] 1f00: c5b2edc0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 83.794300] 1f20: 00000000 00000000 c13dd878 9e56d3da c206c120 c5a44640 c5a44640 c6800000 # [ 83.802749] 1f40: b6dd8000 00000000 00000000 00000004 c6801f94 c6801f60 c059c058 c059b9ac # [ 83.811197] 1f60: 00000000 00000000 c6801fac 9e56d3da 00000009 00000009 b6f1fe00 00000004 # [ 83.819646] 1f80: c03002e4 c6800000 c6801fa4 c6801f98 c059c0e8 c059bff0 00000000 c6801fa8 # [ 83.828094] 1fa0: c03000c0 c059c0dc 00000009 00000009 00000001 b6dd8000 00000009 00000000 # [ 83.836543] 1fc0: 00000009 00000009 b6f1fe00 00000004 00000001 00000000 00020000 beeb9ac4 # [ 83.844992] 1fe0: 00000004 beeb97f8 b6e89d8f b6e107e6 800e0030 00000001 00000000 00000000 # [ 83.853434] Backtrace: # [ 83.856169] [] (lkdtm_WRITE_RO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 83.864445] r5:c5df8000 r4:00000028 # [ 83.868295] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 83.876579] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 83.884768] r9:c6801f60 r8:c5313cc0 r7:00000009 r6:b6dd8000 r5:c5a44640 r4:c0c57e4c # [ 83.892791] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 83.900894] r9:c07e1b5c r8:c6801f60 r7:c2815800 r6:b6dd8000 r5:c5a44640 r4:00000000 # [ 83.908912] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 83.916318] r10:00000004 r9:00000000 r8:00000000 r7:b6dd8000 r6:c6800000 r5:c5a44640 # [ 83.924414] r4:c5a44640 # [ 83.927223] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 83.934630] r9:c6800000 r8:c03002e4 r7:00000004 r6:b6f1fe00 r5:00000009 r4:00000009 # [ 83.942649] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 83.950485] Exception stack(0xc6801fa8 to 0xc6801ff0) # [ 83.955809] 1fa0: 00000009 00000009 00000001 b6dd8000 00000009 00000000 # [ 83.964257] 1fc0: 00000009 00000009 b6f1fe00 00000004 00000001 00000000 00020000 beeb9ac4 # [ 83.972703] 1fe0: 00000004 beeb97f8 b6e89d8f b6e107e6 # [ 83.978027] Code: e34a3bcd e30607c0 e34c01ad e0233002 (e5843000) # [ 83.984396] ---[ end trace d6e76fda740c8d3c ]--- # WRITE_RO: missing 'call trace:': [FAIL] not ok 39 selftests: lkdtm: WRITE_RO.sh # exit=1 # selftests: lkdtm: WRITE_RO_AFTER_INIT.sh <6>[ 84.581494] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT <6>[ 84.587616] lkdtm: attempting bad ro_after_init write at c1b88c60 <1>[ 84.594065] 8<--- cut here --- <1>[ 84.597395] Unable to handle kernel paging request at virtual address c1b88c60 <1>[ 84.604889] pgd = 0ca44f51 <1>[ 84.607867] [c1b88c60] *pgd=11a1941e(bad) <0>[ 84.612165] Internal error: Oops: 80d [#13] SMP ARM <4>[ 84.617315] 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 dw_hdmi_imx dw_hdmi parallel_display caam error imx_ldb imxdrm flexcan can_dev etnaviv gpu_sched imx_ipu_v3 <4>[ 84.646657] CPU: 3 PID: 2492 Comm: cat Tainted: G D W 5.10.206-cip41 #1 <4>[ 84.654668] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 84.661476] PC is at lkdtm_WRITE_RO_AFTER_INIT+0x64/0x70 <4>[ 84.667064] LR is at __irq_work_queue_local+0x40/0x74 <4>[ 84.672385] pc : [] lr : [] psr: 600e0013 <4>[ 84.678921] sp : c6a93e50 ip : c6a93d58 fp : c6a93e64 <4>[ 84.684415] r10: 00000014 r9 : c1ad59c8 r8 : c15ebd0c <4>[ 84.689908] r7 : c6a93f60 r6 : 00000014 r5 : c5dd9000 r4 : c1b88c60 <4>[ 84.696704] r3 : fe67479e r2 : 55aa55aa r1 : ef7c05e0 r0 : c1ad67c0 <4>[ 84.703501] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 84.710906] Control: 10c5387d Table: 1468404a DAC: 00000051 <0>[ 84.716921] Process cat (pid: 2492, stack limit = 0xb82c51e8) <0>[ 84.722935] Stack: (0xc6a93e50 to 0xc6a94000) <0>[ 84.727565] 3e40: 00000029 c5dd9000 c6a93e74 c6a93e68 <0>[ 84.736016] 3e60: c0c57a6c c13c839c c6a93e9c c6a93e78 c0c57f6c c0c57a4c c0c57e4c c5a44a00 <0>[ 84.744465] 3e80: b6dee000 00000014 c5313cc0 c6a93f60 c6a93ec4 c6a93ea0 c07e1bc0 c0c57e58 <0>[ 84.752915] 3ea0: 00000000 c5a44a00 b6dee000 c2815800 c6a93f60 c07e1b5c c6a93f5c c6a93ec8 <0>[ 84.761365] 3ec0: c059baac c07e1b68 00000001 00000000 c059c058 c44574a4 c059c058 c6a92000 <0>[ 84.769813] 3ee0: b6dee000 00020000 00000004 00000014 0001ffec c6a93ee0 00000001 00000805 <0>[ 84.778261] 3f00: c69a2c80 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 84.786711] 3f20: 00000000 00000000 c6a92000 19c4a51a b6ded000 c5a44a00 c5a44a00 c6a92000 <0>[ 84.795160] 3f40: b6dee000 00000000 00000000 00000004 c6a93f94 c6a93f60 c059c058 c059b9ac <0>[ 84.803608] 3f60: 00000000 00000000 c6a93fac 19c4a51a 00000014 00000014 b6f35e00 00000004 <0>[ 84.812055] 3f80: c03002e4 c6a92000 c6a93fa4 c6a93f98 c059c0e8 c059bff0 00000000 c6a93fa8 <0>[ 84.820504] 3fa0: c03000c0 c059c0dc 00000014 00000014 00000001 b6dee000 00000014 00000000 <0>[ 84.828953] 3fc0: 00000014 00000014 b6f35e00 00000004 00000001 00000000 00020000 bef65ac4 <0>[ 84.837402] 3fe0: 00000004 bef657f8 b6e9fd8f b6e267e6 800e0030 00000001 00000000 00000000 <0>[ 84.845845] Backtrace: <0>[ 84.848584] [] (lkdtm_WRITE_RO_AFTER_INIT) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 84.857812] r5:c5dd9000 r4:00000029 <0>[ 84.861664] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 84.869946] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 84.878135] r9:c6a93f60 r8:c5313cc0 r7:00000014 r6:b6dee000 r5:c5a44a00 r4:c0c57e4c <0>[ 84.886159] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 84.894262] r9:c07e1b5c r8:c6a93f60 r7:c2815800 r6:b6dee000 r5:c5a44a00 r4:00000000 <0>[ 84.902279] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 84.909687] r10:00000004 r9:00000000 r8:00000000 r7:b6dee000 r6:c6a92000 r5:c5a44a00 <0>[ 84.917783] r4:c5a44a00 <0>[ 84.920594] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 84.928001] r9:c6a92000 r8:c03002e4 r7:00000004 r6:b6f35e00 r5:00000014 r4:00000014 <0>[ 84.936020] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 84.943856] Exception stack(0xc6a93fa8 to 0xc6a93ff0) <0>[ 84.949179] 3fa0: 00000014 00000014 00000001 b6dee000 00000014 00000000 <0>[ 84.957629] 3fc0: 00000014 00000014 b6f35e00 00000004 00000001 00000000 00020000 bef65ac4 <0>[ 84.966075] 3fe0: 00000004 bef657f8 b6e9fd8f b6e267e6 <0>[ 84.971401] Code: e34a3bcd e30607c0 e34c01ad e0233002 (e5843000) <4>[ 84.977769] ---[ end trace d6e76fda740c8d3d ]--- # Segmentation fault # [ 84.581494] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT # [ 84.587616] lkdtm: attempting bad ro_after_init write at c1b88c60 # [ 84.594065] 8<--- cut here --- # [ 84.597395] Unable to handle kernel paging request at virtual address c1b88c60 # [ 84.604889] pgd = 0ca44f51 # [ 84.607867] [c1b88c60] *pgd=11a1941e(bad) # [ 84.612165] Internal error: Oops: 80d [#13] SMP ARM # [ 84.617315] 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 dw_hdmi_imx dw_hdmi parallel_display caam error imx_ldb imxdrm flexcan can_dev etnaviv gpu_sched imx_ipu_v3 # [ 84.646657] CPU: 3 PID: 2492 Comm: cat Tainted: G D W 5.10.206-cip41 #1 # [ 84.654668] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 84.661476] PC is at lkdtm_WRITE_RO_AFTER_INIT+0x64/0x70 # [ 84.667064] LR is at __irq_work_queue_local+0x40/0x74 # [ 84.672385] pc : [] lr : [] psr: 600e0013 # [ 84.678921] sp : c6a93e50 ip : c6a93d58 fp : c6a93e64 # [ 84.684415] r10: 00000014 r9 : c1ad59c8 r8 : c15ebd0c # [ 84.689908] r7 : c6a93f60 r6 : 00000014 r5 : c5dd9000 r4 : c1b88c60 # [ 84.696704] r3 : fe67479e r2 : 55aa55aa r1 : ef7c05e0 r0 : c1ad67c0 # [ 84.703501] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 84.710906] Control: 10c5387d Table: 1468404a DAC: 00000051 # [ 84.716921] Process cat (pid: 2492, stack limit = 0xb82c51e8) # [ 84.722935] Stack: (0xc6a93e50 to 0xc6a94000) # [ 84.727565] 3e40: 00000029 c5dd9000 c6a93e74 c6a93e68 # [ 84.736016] 3e60: c0c57a6c c13c839c c6a93e9c c6a93e78 c0c57f6c c0c57a4c c0c57e4c c5a44a00 # [ 84.744465] 3e80: b6dee000 00000014 c5313cc0 c6a93f60 c6a93ec4 c6a93ea0 c07e1bc0 c0c57e58 # [ 84.752915] 3ea0: 00000000 c5a44a00 b6dee000 c2815800 c6a93f60 c07e1b5c c6a93f5c c6a93ec8 # [ 84.761365] 3ec0: c059baac c07e1b68 00000001 00000000 c059c058 c44574a4 c059c058 c6a92000 # [ 84.769813] 3ee0: b6dee000 00020000 00000004 00000014 0001ffec c6a93ee0 00000001 00000805 # [ 84.778261] 3f00: c69a2c80 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 84.786711] 3f20: 00000000 00000000 c6a92000 19c4a51a b6ded000 c5a44a00 c5a44a00 c6a92000 # [ 84.795160] 3f40: b6dee000 00000000 00000000 00000004 c6a93f94 c6a93f60 c059c058 c059b9ac # [ 84.803608] 3f60: 00000000 00000000 c6a93fac 19c4a51a 00000014 00000014 b6f35e00 00000004 # [ 84.812055] 3f80: c03002e4 c6a92000 c6a93fa4 c6a93f98 c059c0e8 c059bff0 00000000 c6a93fa8 # [ 84.820504] 3fa0: c03000c0 c059c0dc 00000014 00000014 00000001 b6dee000 00000014 00000000 # [ 84.828953] 3fc0: 00000014 00000014 b6f35e00 00000004 00000001 00000000 00020000 bef65ac4 # [ 84.837402] 3fe0: 00000004 bef657f8 b6e9fd8f b6e267e6 800e0030 00000001 00000000 00000000 # [ 84.845845] Backtrace: # [ 84.848584] [] (lkdtm_WRITE_RO_AFTER_INIT) from [] (lkdtm_do_action+0x2c/0x4c) # [ 84.857812] r5:c5dd9000 r4:00000029 # [ 84.861664] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 84.869946] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 84.878135] r9:c6a93f60 r8:c5313cc0 r7:00000014 r6:b6dee000 r5:c5a44a00 r4:c0c57e4c # [ 84.886159] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 84.894262] r9:c07e1b5c r8:c6a93f60 r7:c2815800 r6:b6dee000 r5:c5a44a00 r4:00000000 # [ 84.902279] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 84.909687] r10:00000004 r9:00000000 r8:00000000 r7:b6dee000 r6:c6a92000 r5:c5a44a00 # [ 84.917783] r4:c5a44a00 # [ 84.920594] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 84.928001] r9:c6a92000 r8:c03002e4 r7:00000004 r6:b6f35e00 r5:00000014 r4:00000014 # [ 84.936020] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 84.943856] Exception stack(0xc6a93fa8 to 0xc6a93ff0) # [ 84.949179] 3fa0: 00000014 00000014 00000001 b6dee000 00000014 00000000 # [ 84.957629] 3fc0: 00000014 00000014 b6f35e00 00000004 00000001 00000000 00020000 bef65ac4 # [ 84.966075] 3fe0: 00000004 bef657f8 b6e9fd8f b6e267e6 # [ 84.971401] Code: e34a3bcd e30607c0 e34c01ad e0233002 (e5843000) # [ 84.977769] ---[ end trace d6e76fda740c8d3d ]--- # WRITE_RO_AFTER_INIT: missing 'call trace:': [FAIL] not ok 40 selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # exit=1 # selftests: lkdtm: WRITE_KERN.sh <6>[ 85.549776] lkdtm: Performing direct entry WRITE_KERN <6>[ 85.555144] lkdtm: attempting bad 7797388 byte write at c13c8268 <1>[ 85.561637] 8<--- cut here --- <1>[ 85.564984] Unable to handle kernel paging request at virtual address c13c8268 <1>[ 85.572496] pgd = a4b9c628 <1>[ 85.575489] [c13c8268] *pgd=1121940e(bad) <0>[ 85.579815] Internal error: Oops: 80d [#14] SMP ARM <4>[ 85.584981] 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 dw_hdmi_imx dw_hdmi parallel_display caam error imx_ldb imxdrm flexcan can_dev etnaviv gpu_sched imx_ipu_v3 <4>[ 85.614530] CPU: 0 PID: 2567 Comm: cat Tainted: G D W 5.10.206-cip41 #1 <4>[ 85.622558] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 85.629384] PC is at memcpy+0x50/0x330 <4>[ 85.633425] LR is at 0xe92dd830 <4>[ 85.636855] pc : [] lr : [] psr: 200e0013 <4>[ 85.643405] sp : c6889e2c ip : e1a0c00d fp : c6889e64 <4>[ 85.648911] r10: 0000000b r9 : c1ad59dc r8 : e89da800 <4>[ 85.654417] r7 : e8bd4000 r6 : e52de004 r5 : e24cb004 r4 : e92dd800 <4>[ 85.661228] r3 : e1a0c00d r2 : 0076f9ec r1 : c0c587fc r0 : c13c8268 <4>[ 85.668041] Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 85.675461] Control: 10c5387d Table: 16e3c04a DAC: 00000051 <0>[ 85.681492] Process cat (pid: 2567, stack limit = 0xded8e304) <0>[ 85.687524] Stack: (0xc6889e2c to 0xc688a000) <0>[ 85.692173] 9e20: c0c587dc 0076fa8c c6889f60 c15ebd0c c13c8268 <0>[ 85.700642] 9e40: c13c8268 c13c844c 0000002a c5e95000 0000000b c6889f60 c6889e74 c6889e68 <0>[ 85.709110] 9e60: c0c57a6c c13c840c c6889e9c c6889e78 c0c57f6c c0c57a4c c0c57e4c c6855400 <0>[ 85.717578] 9e80: b6e6a000 0000000b c5313cc0 c6889f60 c6889ec4 c6889ea0 c07e1bc0 c0c57e58 <0>[ 85.726045] 9ea0: 00000000 c6855400 b6e6a000 c2815800 c6889f60 c07e1b5c c6889f5c c6889ec8 <0>[ 85.734514] 9ec0: c059baac c07e1b68 00000001 00000000 c059c058 c13dd878 c059c058 c6888000 <0>[ 85.742981] 9ee0: b6e6a000 00020000 00000004 0000000b 0001fff5 c6889ee0 00000001 b6e69000 <0>[ 85.751449] 9f00: c69a2640 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 85.759916] 9f20: 00000000 00000000 c13dd878 b28e44dc c206c120 c6855400 c6855400 c6888000 <0>[ 85.768385] 9f40: b6e6a000 00000000 00000000 00000004 c6889f94 c6889f60 c059c058 c059b9ac <0>[ 85.776853] 9f60: 00000000 00000000 c6889fac b28e44dc 0000000b 0000000b b6fb1e00 00000004 <0>[ 85.785319] 9f80: c03002e4 c6888000 c6889fa4 c6889f98 c059c0e8 c059bff0 00000000 c6889fa8 <0>[ 85.793787] 9fa0: c03000c0 c059c0dc 0000000b 0000000b 00000001 b6e6a000 0000000b 00000000 <0>[ 85.802254] 9fc0: 0000000b 0000000b b6fb1e00 00000004 00000001 00000000 00020000 bea7aac4 <0>[ 85.810720] 9fe0: 00000004 bea7a7f8 b6f1bd8f b6ea27e6 800e0030 00000001 00000000 00000000 <0>[ 85.819178] Backtrace: <0>[ 85.821953] [] (lkdtm_WRITE_KERN) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 85.830423] r7:c6889f60 r6:0000000b r5:c5e95000 r4:0000002a <0>[ 85.836379] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 85.844688] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 85.852896] r9:c6889f60 r8:c5313cc0 r7:0000000b r6:b6e6a000 r5:c6855400 r4:c0c57e4c <0>[ 85.860946] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 85.869068] r9:c07e1b5c r8:c6889f60 r7:c2815800 r6:b6e6a000 r5:c6855400 r4:00000000 <0>[ 85.877106] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 85.884532] r10:00000004 r9:00000000 r8:00000000 r7:b6e6a000 r6:c6888000 r5:c6855400 <0>[ 85.892642] r4:c6855400 <0>[ 85.895470] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 85.902896] r9:c6888000 r8:c03002e4 r7:00000004 r6:b6fb1e00 r5:0000000b r4:0000000b <0>[ 85.910937] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 85.918788] Exception stack(0xc6889fa8 to 0xc6889ff0) <0>[ 85.924131] 9fa0: 0000000b 0000000b 00000001 b6e6a000 0000000b 00000000 <0>[ 85.932600] 9fc0: 0000000b 0000000b b6fb1e00 00000004 00000001 00000000 00020000 bea7aac4 <0>[ 85.941063] 9fe0: 00000004 bea7a7f8 b6f1bd8f b6ea27e6 <0>[ 85.946407] Code: f5d1f05c f5d1f07c e8b151f8 e2522020 (e8a051f8) <4>[ 85.952793] ---[ end trace d6e76fda740c8d3e ]--- # Segmentation fault # [ 85.549776] lkdtm: Performing direct entry WRITE_KERN # [ 85.555144] lkdtm: attempting bad 7797388 byte write at c13c8268 # [ 85.561637] 8<--- cut here --- # [ 85.564984] Unable to handle kernel paging request at virtual address c13c8268 # [ 85.572496] pgd = a4b9c628 # [ 85.575489] [c13c8268] *pgd=1121940e(bad) # [ 85.579815] Internal error: Oops: 80d [#14] SMP ARM # [ 85.584981] 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 dw_hdmi_imx dw_hdmi parallel_display caam error imx_ldb imxdrm flexcan can_dev etnaviv gpu_sched imx_ipu_v3 # [ 85.614530] CPU: 0 PID: 2567 Comm: cat Tainted: G D W 5.10.206-cip41 #1 # [ 85.622558] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 85.629384] PC is at memcpy+0x50/0x330 # [ 85.633425] LR is at 0xe92dd830 # [ 85.636855] pc : [] lr : [] psr: 200e0013 # [ 85.643405] sp : c6889e2c ip : e1a0c00d fp : c6889e64 # [ 85.648911] r10: 0000000b r9 : c1ad59dc r8 : e89da800 # [ 85.654417] r7 : e8bd4000 r6 : e52de004 r5 : e24cb004 r4 : e92dd800 # [ 85.661228] r3 : e1a0c00d r2 : 0076f9ec r1 : c0c587fc r0 : c13c8268 # [ 85.668041] Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 85.675461] Control: 10c5387d Table: 16e3c04a DAC: 00000051 # [ 85.681492] Process cat (pid: 2567, stack limit = 0xded8e304) # [ 85.687524] Stack: (0xc6889e2c to 0xc688a000) # [ 85.692173] 9e20: c0c587dc 0076fa8c c6889f60 c15ebd0c c13c8268 # [ 85.700642] 9e40: c13c8268 c13c844c 0000002a c5e95000 0000000b c6889f60 c6889e74 c6889e68 # [ 85.709110] 9e60: c0c57a6c c13c840c c6889e9c c6889e78 c0c57f6c c0c57a4c c0c57e4c c6855400 # [ 85.717578] 9e80: b6e6a000 0000000b c5313cc0 c6889f60 c6889ec4 c6889ea0 c07e1bc0 c0c57e58 # [ 85.726045] 9ea0: 00000000 c6855400 b6e6a000 c2815800 c6889f60 c07e1b5c c6889f5c c6889ec8 # [ 85.734514] 9ec0: c059baac c07e1b68 00000001 00000000 c059c058 c13dd878 c059c058 c6888000 # [ 85.742981] 9ee0: b6e6a000 00020000 00000004 0000000b 0001fff5 c6889ee0 00000001 b6e69000 # [ 85.751449] 9f00: c69a2640 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 85.759916] 9f20: 00000000 00000000 c13dd878 b28e44dc c206c120 c6855400 c6855400 c6888000 # [ 85.768385] 9f40: b6e6a000 00000000 00000000 00000004 c6889f94 c6889f60 c059c058 c059b9ac # [ 85.776853] 9f60: 00000000 00000000 c6889fac b28e44dc 0000000b 0000000b b6fb1e00 00000004 # [ 85.785319] 9f80: c03002e4 c6888000 c6889fa4 c6889f98 c059c0e8 c059bff0 00000000 c6889fa8 # [ 85.793787] 9fa0: c03000c0 c059c0dc 0000000b 0000000b 00000001 b6e6a000 0000000b 00000000 # [ 85.802254] 9fc0: 0000000b 0000000b b6fb1e00 00000004 00000001 00000000 00020000 bea7aac4 # [ 85.810720] 9fe0: 00000004 bea7a7f8 b6f1bd8f b6ea27e6 800e0030 00000001 00000000 00000000 # [ 85.819178] Backtrace: # [ 85.821953] [] (lkdtm_WRITE_KERN) from [] (lkdtm_do_action+0x2c/0x4c) # [ 85.830423] r7:c6889f60 r6:0000000b r5:c5e95000 r4:0000002a # [ 85.836379] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 85.844688] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 85.852896] r9:c6889f60 r8:c5313cc0 r7:0000000b r6:b6e6a000 r5:c6855400 r4:c0c57e4c # [ 85.860946] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 85.869068] r9:c07e1b5c r8:c6889f60 r7:c2815800 r6:b6e6a000 r5:c6855400 r4:00000000 # [ 85.877106] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 85.884532] r10:00000004 r9:00000000 r8:00000000 r7:b6e6a000 r6:c6888000 r5:c6855400 # [ 85.892642] r4:c6855400 # [ 85.895470] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 85.902896] r9:c6888000 r8:c03002e4 r7:00000004 r6:b6fb1e00 r5:0000000b r4:0000000b # [ 85.910937] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 85.918788] Exception stack(0xc6889fa8 to 0xc6889ff0) # [ 85.924131] 9fa0: 0000000b 0000000b 00000001 b6e6a000 0000000b 00000000 # [ 85.932600] 9fc0: 0000000b 0000000b b6fb1e00 00000004 00000001 00000000 00020000 bea7aac4 # [ 85.941063] 9fe0: 00000004 bea7a7f8 b6f1bd8f b6ea27e6 # [ 85.946407] Code: f5d1f05c f5d1f07c e8b151f8 e2522020 (e8a051f8) # [ 85.952793] ---[ end trace d6e76fda740c8d3e ]--- # WRITE_KERN: missing 'call trace:': [FAIL] not ok 41 selftests: lkdtm: WRITE_KERN.sh # exit=1 # selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh <6>[ 86.531977] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW <6>[ 86.538294] lkdtm: attempting good refcount_inc() without overflow <6>[ 86.544888] lkdtm: attempting bad refcount_inc() overflow <4>[ 86.550632] ------------[ cut here ]------------ <4>[ 86.555543] WARNING: CPU: 1 PID: 2643 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 <4>[ 86.564309] refcount_t: saturated; leaking memory. <4>[ 86.569421] 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 dw_hdmi_imx dw_hdmi parallel_display caam error imx_ldb imxdrm flexcan can_dev etnaviv gpu_sched imx_ipu_v3 <4>[ 86.598902] CPU: 1 PID: 2643 Comm: cat Tainted: G D W 5.10.206-cip41 #1 <4>[ 86.606918] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 86.613715] Backtrace: <4>[ 86.616452] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 86.624297] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 <4>[ 86.630235] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 86.637826] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 86.645061] r9:00000009 r8:c08754dc r7:00000016 r6:00000009 r5:c08754dc r4:c1a29b24 <4>[ 86.653080] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 86.660832] r7:00000016 r6:c1a29b24 r5:c1a29afc r4:c6a92000 <4>[ 86.666765] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) <4>[ 86.675997] r9:c1ad59e8 r8:c15ebd0c r7:c6a93f60 r6:00000016 r5:c5d68000 r4:c6a92000 <4>[ 86.684017] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) <4>[ 86.693950] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_OVERFLOW+0x78/0x9c) <4>[ 86.704313] [] (lkdtm_REFCOUNT_INC_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 86.713712] r4:0000002b <4>[ 86.716519] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 86.724802] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 86.732991] r9:c6a93f60 r8:c5313cc0 r7:00000016 r6:b6e47000 r5:c6854280 r4:c0c57e4c <4>[ 86.741015] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 86.749117] r9:c07e1b5c r8:c6a93f60 r7:c2815800 r6:b6e47000 r5:c6854280 r4:00000000 <4>[ 86.757135] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 86.764542] r10:00000004 r9:00000000 r8:00000000 r7:b6e47000 r6:c6a92000 r5:c6854280 <4>[ 86.772638] r4:c6854280 <4>[ 86.775446] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 86.782853] r9:c6a92000 r8:c03002e4 r7:00000004 r6:b6f8ee00 r5:00000016 r4:00000016 <4>[ 86.790872] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 86.798711] Exception stack(0xc6a93fa8 to 0xc6a93ff0) <4>[ 86.804035] 3fa0: 00000016 00000016 00000001 b6e47000 00000016 00000000 <4>[ 86.812486] 3fc0: 00000016 00000016 b6f8ee00 00000004 00000001 00000000 00020000 bef45ac4 <4>[ 86.820933] 3fe0: 00000004 bef457f8 b6ef8d8f b6e7f7e6 <4>[ 86.826330] irq event stamp: 0 <4>[ 86.829696] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 86.835553] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 86.843364] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 86.851206] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 86.857063] ---[ end trace d6e76fda740c8d3f ]--- <6>[ 86.862023] lkdtm: Overflow detected: saturated # [ 86.531977] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW # [ 86.538294] lkdtm: attempting good refcount_inc() without overflow # [ 86.544888] lkdtm: attempting bad refcount_inc() overflow # [ 86.550632] ------------[ cut here ]------------ # [ 86.555543] WARNING: CPU: 1 PID: 2643 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 86.564309] refcount_t: saturated; leaking memory. # [ 86.569421] 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 dw_hdmi_imx dw_hdmi parallel_display caam error imx_ldb imxdrm flexcan can_dev etnaviv gpu_sched imx_ipu_v3 # [ 86.598902] CPU: 1 PID: 2643 Comm: cat Tainted: G D W 5.10.206-cip41 #1 # [ 86.606918] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 86.613715] Backtrace: # [ 86.616452] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 86.624297] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 86.630235] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 86.637826] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 86.645061] r9:00000009 r8:c08754dc r7:00000016 r6:00000009 r5:c08754dc r4:c1a29b24 # [ 86.653080] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 86.660832] r7:00000016 r6:c1a29b24 r5:c1a29afc r4:c6a92000 # [ 86.666765] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 86.675997] r9:c1ad59e8 r8:c15ebd0c r7:c6a93f60 r6:00000016 r5:c5d68000 r4:c6a92000 # [ 86.684017] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 86.693950] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_OVERFLOW+0x78/0x9c) # [ 86.704313] [] (lkdtm_REFCOUNT_INC_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 86.713712] r4:0000002b # [ 86.716519] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 86.724802] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 86.732991] r9:c6a93f60 r8:c5313cc0 r7:00000016 r6:b6e47000 r5:c6854280 r4:c0c57e4c # [ 86.741015] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 86.749117] r9:c07e1b5c r8:c6a93f60 r7:c2815800 r6:b6e47000 r5:c6854280 r4:00000000 # [ 86.757135] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 86.764542] r10:00000004 r9:00000000 r8:00000000 r7:b6e47000 r6:c6a92000 r5:c6854280 # [ 86.772638] r4:c6854280 # [ 86.775446] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 86.782853] r9:c6a92000 r8:c03002e4 r7:00000004 r6:b6f8ee00 r5:00000016 r4:00000016 # [ 86.790872] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 86.798711] Exception stack(0xc6a93fa8 to 0xc6a93ff0) # [ 86.804035] 3fa0: 00000016 00000016 00000001 b6e47000 00000016 00000000 # [ 86.812486] 3fc0: 00000016 00000016 b6f8ee00 00000004 00000001 00000000 00020000 bef45ac4 # [ 86.820933] 3fe0: 00000004 bef457f8 b6ef8d8f b6e7f7e6 # [ 86.826330] irq event stamp: 0 # [ 86.829696] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 86.835553] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 86.843364] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 86.851206] softirqs last disabled at (0): [<00000000>] 0x0 # [ 86.857063] ---[ end trace d6e76fda740c8d3f ]--- # [ 86.862023] lkdtm: Overflow detected: saturated # REFCOUNT_INC_OVERFLOW: missing 'call trace:': [FAIL] not ok 42 selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh # exit=1 # selftests: lkdtm: REFCOUNT_ADD_OVERFLOW.sh <6>[ 87.384960] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW <6>[ 87.391298] lkdtm: attempting good refcount_add() without overflow <6>[ 87.397753] lkdtm: attempting bad refcount_add() overflow <4>[ 87.403474] ------------[ cut here ]------------ <4>[ 87.408384] WARNING: CPU: 1 PID: 2678 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 <4>[ 87.417165] refcount_t: saturated; leaking memory. <4>[ 87.422267] 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 dw_hdmi_imx dw_hdmi parallel_display caam error imx_ldb imxdrm flexcan can_dev etnaviv gpu_sched imx_ipu_v3 <4>[ 87.451755] CPU: 1 PID: 2678 Comm: cat Tainted: G D W 5.10.206-cip41 #1 <4>[ 87.459770] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 87.466566] Backtrace: <4>[ 87.469301] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 87.477146] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 <4>[ 87.483082] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 87.490670] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 87.497906] r9:00000009 r8:c08754dc r7:00000016 r6:00000009 r5:c08754dc r4:c1a29b24 <4>[ 87.505925] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 87.513679] r7:00000016 r6:c1a29b24 r5:c1a29afc r4:c6888000 <4>[ 87.519614] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) <4>[ 87.528844] r9:c1ad5a00 r8:c15ebd0c r7:c6889f60 r6:00000016 r5:c59b6000 r4:c6888000 <4>[ 87.536866] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) <4>[ 87.546800] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_OVERFLOW+0x84/0xa8) <4>[ 87.557164] [] (lkdtm_REFCOUNT_ADD_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 87.566563] r4:0000002c <4>[ 87.569372] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 87.577656] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 87.585847] r9:c6889f60 r8:c5313cc0 r7:00000016 r6:b6e32000 r5:c46cf900 r4:c0c57e4c <4>[ 87.593873] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 87.601974] r9:c07e1b5c r8:c6889f60 r7:c2815800 r6:b6e32000 r5:c46cf900 r4:00000000 <4>[ 87.609992] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 87.617399] r10:00000004 r9:00000000 r8:00000000 r7:b6e32000 r6:c6888000 r5:c46cf900 <4>[ 87.625495] r4:c46cf900 <4>[ 87.628303] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 87.635711] r9:c6888000 r8:c03002e4 r7:00000004 r6:b6f79e00 r5:00000016 r4:00000016 <4>[ 87.643731] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 87.651569] Exception stack(0xc6889fa8 to 0xc6889ff0) <4>[ 87.656895] 9fa0: 00000016 00000016 00000001 b6e32000 00000016 00000000 <4>[ 87.665344] 9fc0: 00000016 00000016 b6f79e00 00000004 00000001 00000000 00020000 bec98ac4 <4>[ 87.673790] 9fe0: 00000004 bec987f8 b6ee3d8f b6e6a7e6 <4>[ 87.679180] irq event stamp: 0 <4>[ 87.682519] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 87.688375] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 87.696183] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 87.704000] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 87.709897] ---[ end trace d6e76fda740c8d40 ]--- <6>[ 87.714798] lkdtm: Overflow detected: saturated # [ 87.384960] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW # [ 87.391298] lkdtm: attempting good refcount_add() without overflow # [ 87.397753] lkdtm: attempting bad refcount_add() overflow # [ 87.403474] ------------[ cut here ]------------ # [ 87.408384] WARNING: CPU: 1 PID: 2678 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 87.417165] refcount_t: saturated; leaking memory. # [ 87.422267] 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 dw_hdmi_imx dw_hdmi parallel_display caam error imx_ldb imxdrm flexcan can_dev etnaviv gpu_sched imx_ipu_v3 # [ 87.451755] CPU: 1 PID: 2678 Comm: cat Tainted: G D W 5.10.206-cip41 #1 # [ 87.459770] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 87.466566] Backtrace: # [ 87.469301] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 87.477146] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 87.483082] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 87.490670] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 87.497906] r9:00000009 r8:c08754dc r7:00000016 r6:00000009 r5:c08754dc r4:c1a29b24 # [ 87.505925] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 87.513679] r7:00000016 r6:c1a29b24 r5:c1a29afc r4:c6888000 # [ 87.519614] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 87.528844] r9:c1ad5a00 r8:c15ebd0c r7:c6889f60 r6:00000016 r5:c59b6000 r4:c6888000 # [ 87.536866] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 87.546800] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_OVERFLOW+0x84/0xa8) # [ 87.557164] [] (lkdtm_REFCOUNT_ADD_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 87.566563] r4:0000002c # [ 87.569372] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 87.577656] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 87.585847] r9:c6889f60 r8:c5313cc0 r7:00000016 r6:b6e32000 r5:c46cf900 r4:c0c57e4c # [ 87.593873] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 87.601974] r9:c07e1b5c r8:c6889f60 r7:c2815800 r6:b6e32000 r5:c46cf900 r4:00000000 # [ 87.609992] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 87.617399] r10:00000004 r9:00000000 r8:00000000 r7:b6e32000 r6:c6888000 r5:c46cf900 # [ 87.625495] r4:c46cf900 # [ 87.628303] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 87.635711] r9:c6888000 r8:c03002e4 r7:00000004 r6:b6f79e00 r5:00000016 r4:00000016 # [ 87.643731] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 87.651569] Exception stack(0xc6889fa8 to 0xc6889ff0) # [ 87.656895] 9fa0: 00000016 00000016 00000001 b6e32000 00000016 00000000 # [ 87.665344] 9fc0: 00000016 00000016 b6f79e00 00000004 00000001 00000000 00020000 bec98ac4 # [ 87.673790] 9fe0: 00000004 bec987f8 b6ee3d8f b6e6a7e6 # [ 87.679180] irq event stamp: 0 # [ 87.682519] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 87.688375] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 87.696183] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 87.704000] softirqs last disabled at (0): [<00000000>] 0x0 # [ 87.709897] ---[ end trace d6e76fda740c8d40 ]--- # [ 87.714798] lkdtm: Overflow detected: saturated # REFCOUNT_ADD_OVERFLOW: missing 'call trace:': [FAIL] not ok 43 selftests: lkdtm: REFCOUNT_ADD_OVERFLOW.sh # exit=1 # selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh <6>[ 88.267364] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW <6>[ 88.274578] lkdtm: attempting bad refcount_inc_not_zero() overflow <4>[ 88.281141] ------------[ cut here ]------------ <4>[ 88.286086] WARNING: CPU: 1 PID: 2713 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 <4>[ 88.294873] refcount_t: saturated; leaking memory. <4>[ 88.299974] 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 dw_hdmi_imx dw_hdmi parallel_display caam error imx_ldb imxdrm flexcan can_dev etnaviv gpu_sched imx_ipu_v3 <4>[ 88.329469] CPU: 1 PID: 2713 Comm: cat Tainted: G D W 5.10.206-cip41 #1 <4>[ 88.337483] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 88.344279] Backtrace: <4>[ 88.347014] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 88.354858] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 <4>[ 88.360794] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 88.368385] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 88.375619] r9:00000009 r8:c08754a8 r7:00000013 r6:00000009 r5:c08754a8 r4:c1a29b24 <4>[ 88.383637] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 88.391389] r7:00000013 r6:c1a29b24 r5:c1a29afc r4:c6a70000 <4>[ 88.397324] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) <4>[ 88.406555] r9:c1ad5a18 r8:c15ebd0c r7:c6a71f60 r6:0000001f r5:c5d68000 r4:7fffffff <4>[ 88.414578] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) <4>[ 88.425289] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x50/0x88) <4>[ 88.437207] r5:c5d68000 r4:c6a70000 <4>[ 88.441062] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 88.451242] r4:0000002d <4>[ 88.454049] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 88.462333] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 88.470523] r9:c6a71f60 r8:c5313cc0 r7:0000001f r6:b6e62000 r5:c46ce640 r4:c0c57e4c <4>[ 88.478547] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 88.486650] r9:c07e1b5c r8:c6a71f60 r7:c2815800 r6:b6e62000 r5:c46ce640 r4:00000000 <4>[ 88.494667] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 88.502075] r10:00000004 r9:00000000 r8:00000000 r7:b6e62000 r6:c6a70000 r5:c46ce640 <4>[ 88.510171] r4:c46ce640 <4>[ 88.512979] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 88.520387] r9:c6a70000 r8:c03002e4 r7:00000004 r6:b6fa9e00 r5:0000001f r4:0000001f <4>[ 88.528406] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 88.536244] Exception stack(0xc6a71fa8 to 0xc6a71ff0) <4>[ 88.541570] 1fa0: 0000001f 0000001f 00000001 b6e62000 0000001f 00000000 <4>[ 88.550021] 1fc0: 0000001f 0000001f b6fa9e00 00000004 00000001 00000000 00020000 bebdbac4 <4>[ 88.558467] 1fe0: 00000004 bebdb7f8 b6f13d8f b6e9a7e6 <4>[ 88.563851] irq event stamp: 0 <4>[ 88.567189] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 88.573075] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 88.580880] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 88.588653] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 88.594545] ---[ end trace d6e76fda740c8d41 ]--- <6>[ 88.599496] lkdtm: Overflow detected: saturated # [ 88.267364] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 88.274578] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 88.281141] ------------[ cut here ]------------ # [ 88.286086] WARNING: CPU: 1 PID: 2713 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 88.294873] refcount_t: saturated; leaking memory. # [ 88.299974] 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 dw_hdmi_imx dw_hdmi parallel_display caam error imx_ldb imxdrm flexcan can_dev etnaviv gpu_sched imx_ipu_v3 # [ 88.329469] CPU: 1 PID: 2713 Comm: cat Tainted: G D W 5.10.206-cip41 #1 # [ 88.337483] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 88.344279] Backtrace: # [ 88.347014] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 88.354858] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 88.360794] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 88.368385] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 88.375619] r9:00000009 r8:c08754a8 r7:00000013 r6:00000009 r5:c08754a8 r4:c1a29b24 # [ 88.383637] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 88.391389] r7:00000013 r6:c1a29b24 r5:c1a29afc r4:c6a70000 # [ 88.397324] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 88.406555] r9:c1ad5a18 r8:c15ebd0c r7:c6a71f60 r6:0000001f r5:c5d68000 r4:7fffffff # [ 88.414578] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 88.425289] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x50/0x88) # [ 88.437207] r5:c5d68000 r4:c6a70000 # [ 88.441062] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 88.451242] r4:0000002d # [ 88.454049] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 88.462333] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 88.470523] r9:c6a71f60 r8:c5313cc0 r7:0000001f r6:b6e62000 r5:c46ce640 r4:c0c57e4c # [ 88.478547] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 88.486650] r9:c07e1b5c r8:c6a71f60 r7:c2815800 r6:b6e62000 r5:c46ce640 r4:00000000 # [ 88.494667] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 88.502075] r10:00000004 r9:00000000 r8:00000000 r7:b6e62000 r6:c6a70000 r5:c46ce640 # [ 88.510171] r4:c46ce640 # [ 88.512979] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 88.520387] r9:c6a70000 r8:c03002e4 r7:00000004 r6:b6fa9e00 r5:0000001f r4:0000001f # [ 88.528406] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 88.536244] Exception stack(0xc6a71fa8 to 0xc6a71ff0) # [ 88.541570] 1fa0: 0000001f 0000001f 00000001 b6e62000 0000001f 00000000 # [ 88.550021] 1fc0: 0000001f 0000001f b6fa9e00 00000004 00000001 00000000 00020000 bebdbac4 # [ 88.558467] 1fe0: 00000004 bebdb7f8 b6f13d8f b6e9a7e6 # [ 88.563851] irq event stamp: 0 # [ 88.567189] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 88.573075] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 88.580880] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 88.588653] softirqs last disabled at (0): [<00000000>] 0x0 # [ 88.594545] ---[ end trace d6e76fda740c8d41 ]--- # [ 88.599496] lkdtm: Overflow detected: saturated # REFCOUNT_INC_NOT_ZERO_OVERFLOW: missing 'call trace:': [FAIL] not ok 44 selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh # exit=1 # selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh <6>[ 89.155639] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW <6>[ 89.162845] lkdtm: attempting bad refcount_add_not_zero() overflow <4>[ 89.169430] ------------[ cut here ]------------ <4>[ 89.174366] WARNING: CPU: 1 PID: 2748 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 <4>[ 89.183137] refcount_t: saturated; leaking memory. <4>[ 89.188203] 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 dw_hdmi_imx dw_hdmi parallel_display caam error imx_ldb imxdrm flexcan can_dev etnaviv gpu_sched imx_ipu_v3 <4>[ 89.217690] CPU: 1 PID: 2748 Comm: cat Tainted: G D W 5.10.206-cip41 #1 <4>[ 89.225706] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 89.232501] Backtrace: <4>[ 89.235237] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 89.243082] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 <4>[ 89.249019] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 89.256609] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 89.263845] r9:00000009 r8:c08754a8 r7:00000013 r6:00000009 r5:c08754a8 r4:c1a29b24 <4>[ 89.271861] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 89.279614] r7:00000013 r6:c1a29b24 r5:c1a29afc r4:c6b1c000 <4>[ 89.285551] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) <4>[ 89.294784] r9:c1ad5a38 r8:c15ebd0c r7:c6b1df60 r6:0000001f r5:c59b6000 r4:7fffffff <4>[ 89.302807] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) <4>[ 89.313517] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x50/0x88) <4>[ 89.325435] r5:c59b6000 r4:c6b1c000 <4>[ 89.329289] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 89.339470] r4:0000002e <4>[ 89.342278] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 89.350559] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 89.358748] r9:c6b1df60 r8:c5313cc0 r7:0000001f r6:b6dd2000 r5:c6855a40 r4:c0c57e4c <4>[ 89.366771] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 89.374875] r9:c07e1b5c r8:c6b1df60 r7:c2815800 r6:b6dd2000 r5:c6855a40 r4:00000000 <4>[ 89.382891] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 89.390299] r10:00000004 r9:00000000 r8:00000000 r7:b6dd2000 r6:c6b1c000 r5:c6855a40 <4>[ 89.398395] r4:c6855a40 <4>[ 89.401204] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 89.408611] r9:c6b1c000 r8:c03002e4 r7:00000004 r6:b6f19e00 r5:0000001f r4:0000001f <4>[ 89.416631] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 89.424468] Exception stack(0xc6b1dfa8 to 0xc6b1dff0) <4>[ 89.429794] dfa0: 0000001f 0000001f 00000001 b6dd2000 0000001f 00000000 <4>[ 89.438245] dfc0: 0000001f 0000001f b6f19e00 00000004 00000001 00000000 00020000 bebffac4 <4>[ 89.446691] dfe0: 00000004 bebff7f8 b6e83d8f b6e0a7e6 <4>[ 89.452087] irq event stamp: 0 <4>[ 89.455426] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 89.461316] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 89.469123] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 89.476910] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 89.482815] ---[ end trace d6e76fda740c8d42 ]--- <6>[ 89.487714] lkdtm: Overflow detected: saturated # [ 89.155639] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 89.162845] lkdtm: attempting bad refcount_add_not_zero() overflow # [ 89.169430] ------------[ cut here ]------------ # [ 89.174366] WARNING: CPU: 1 PID: 2748 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 89.183137] refcount_t: saturated; leaking memory. # [ 89.188203] 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 dw_hdmi_imx dw_hdmi parallel_display caam error imx_ldb imxdrm flexcan can_dev etnaviv gpu_sched imx_ipu_v3 # [ 89.217690] CPU: 1 PID: 2748 Comm: cat Tainted: G D W 5.10.206-cip41 #1 # [ 89.225706] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 89.232501] Backtrace: # [ 89.235237] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 89.243082] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 89.249019] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 89.256609] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 89.263845] r9:00000009 r8:c08754a8 r7:00000013 r6:00000009 r5:c08754a8 r4:c1a29b24 # [ 89.271861] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 89.279614] r7:00000013 r6:c1a29b24 r5:c1a29afc r4:c6b1c000 # [ 89.285551] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 89.294784] r9:c1ad5a38 r8:c15ebd0c r7:c6b1df60 r6:0000001f r5:c59b6000 r4:7fffffff # [ 89.302807] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 89.313517] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x50/0x88) # [ 89.325435] r5:c59b6000 r4:c6b1c000 # [ 89.329289] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 89.339470] r4:0000002e # [ 89.342278] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 89.350559] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 89.358748] r9:c6b1df60 r8:c5313cc0 r7:0000001f r6:b6dd2000 r5:c6855a40 r4:c0c57e4c # [ 89.366771] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 89.374875] r9:c07e1b5c r8:c6b1df60 r7:c2815800 r6:b6dd2000 r5:c6855a40 r4:00000000 # [ 89.382891] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 89.390299] r10:00000004 r9:00000000 r8:00000000 r7:b6dd2000 r6:c6b1c000 r5:c6855a40 # [ 89.398395] r4:c6855a40 # [ 89.401204] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 89.408611] r9:c6b1c000 r8:c03002e4 r7:00000004 r6:b6f19e00 r5:0000001f r4:0000001f # [ 89.416631] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 89.424468] Exception stack(0xc6b1dfa8 to 0xc6b1dff0) # [ 89.429794] dfa0: 0000001f 0000001f 00000001 b6dd2000 0000001f 00000000 # [ 89.438245] dfc0: 0000001f 0000001f b6f19e00 00000004 00000001 00000000 00020000 bebffac4 # [ 89.446691] dfe0: 00000004 bebff7f8 b6e83d8f b6e0a7e6 # [ 89.452087] irq event stamp: 0 # [ 89.455426] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 89.461316] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 89.469123] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 89.476910] softirqs last disabled at (0): [<00000000>] 0x0 # [ 89.482815] ---[ end trace d6e76fda740c8d42 ]--- # [ 89.487714] lkdtm: Overflow detected: saturated # REFCOUNT_ADD_NOT_ZERO_OVERFLOW: missing 'call trace:': [FAIL] not ok 45 selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh # exit=1 # selftests: lkdtm: REFCOUNT_DEC_ZERO.sh <6>[ 90.019873] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO <6>[ 90.025844] lkdtm: attempting good refcount_dec() <6>[ 90.030970] lkdtm: attempting bad refcount_dec() to zero <4>[ 90.036582] ------------[ cut here ]------------ <4>[ 90.041551] WARNING: CPU: 1 PID: 2783 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 <4>[ 90.050299] refcount_t: decrement hit 0; leaking memory. <4>[ 90.055887] 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 dw_hdmi_imx dw_hdmi parallel_display caam error imx_ldb imxdrm flexcan can_dev etnaviv gpu_sched imx_ipu_v3 <4>[ 90.085400] CPU: 1 PID: 2783 Comm: cat Tainted: G D W 5.10.206-cip41 #1 <4>[ 90.093414] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 90.100209] Backtrace: <4>[ 90.102946] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 90.110790] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 <4>[ 90.116729] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 90.124320] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 90.131555] r9:00000009 r8:c0875474 r7:0000001f r6:00000009 r5:c0875474 r4:c1a29b24 <4>[ 90.139573] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 90.147327] r7:0000001f r6:c1a29b24 r5:c1a29b88 r4:c68d8000 <4>[ 90.153264] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) <4>[ 90.162496] r9:c1ad5a58 r8:c15ebd0c r7:c68d9f60 r6:00000012 r5:c59b6000 r4:c68d8000 <4>[ 90.170520] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) <4>[ 90.180448] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_ZERO+0x5c/0xd8) <4>[ 90.190465] [] (lkdtm_REFCOUNT_DEC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 90.199518] r4:0000002f <4>[ 90.202327] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 90.210610] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 90.218799] r9:c68d9f60 r8:c5313cc0 r7:00000012 r6:b6dc1000 r5:c590e140 r4:c0c57e4c <4>[ 90.226824] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 90.234926] r9:c07e1b5c r8:c68d9f60 r7:c2815800 r6:b6dc1000 r5:c590e140 r4:00000000 <4>[ 90.242942] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 90.250351] r10:00000004 r9:00000000 r8:00000000 r7:b6dc1000 r6:c68d8000 r5:c590e140 <4>[ 90.258446] r4:c590e140 <4>[ 90.261254] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 90.268662] r9:c68d8000 r8:c03002e4 r7:00000004 r6:b6f08e00 r5:00000012 r4:00000012 <4>[ 90.276682] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 90.284521] Exception stack(0xc68d9fa8 to 0xc68d9ff0) <4>[ 90.289845] 9fa0: 00000012 00000012 00000001 b6dc1000 00000012 00000000 <4>[ 90.298296] 9fc0: 00000012 00000012 b6f08e00 00000004 00000001 00000000 00020000 bebc3ac4 <4>[ 90.306742] 9fe0: 00000004 bebc37f8 b6e72d8f b6df97e6 <4>[ 90.312129] irq event stamp: 0 <4>[ 90.315469] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 90.321356] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 90.329161] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 90.336927] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 90.342819] ---[ end trace d6e76fda740c8d43 ]--- <6>[ 90.347717] lkdtm: Zero detected: saturated # [ 90.019873] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO # [ 90.025844] lkdtm: attempting good refcount_dec() # [ 90.030970] lkdtm: attempting bad refcount_dec() to zero # [ 90.036582] ------------[ cut here ]------------ # [ 90.041551] WARNING: CPU: 1 PID: 2783 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 # [ 90.050299] refcount_t: decrement hit 0; leaking memory. # [ 90.055887] 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 dw_hdmi_imx dw_hdmi parallel_display caam error imx_ldb imxdrm flexcan can_dev etnaviv gpu_sched imx_ipu_v3 # [ 90.085400] CPU: 1 PID: 2783 Comm: cat Tainted: G D W 5.10.206-cip41 #1 # [ 90.093414] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 90.100209] Backtrace: # [ 90.102946] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 90.110790] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 90.116729] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 90.124320] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 90.131555] r9:00000009 r8:c0875474 r7:0000001f r6:00000009 r5:c0875474 r4:c1a29b24 # [ 90.139573] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 90.147327] r7:0000001f r6:c1a29b24 r5:c1a29b88 r4:c68d8000 # [ 90.153264] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) # [ 90.162496] r9:c1ad5a58 r8:c15ebd0c r7:c68d9f60 r6:00000012 r5:c59b6000 r4:c68d8000 # [ 90.170520] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) # [ 90.180448] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_ZERO+0x5c/0xd8) # [ 90.190465] [] (lkdtm_REFCOUNT_DEC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 90.199518] r4:0000002f # [ 90.202327] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 90.210610] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 90.218799] r9:c68d9f60 r8:c5313cc0 r7:00000012 r6:b6dc1000 r5:c590e140 r4:c0c57e4c # [ 90.226824] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 90.234926] r9:c07e1b5c r8:c68d9f60 r7:c2815800 r6:b6dc1000 r5:c590e140 r4:00000000 # [ 90.242942] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 90.250351] r10:00000004 r9:00000000 r8:00000000 r7:b6dc1000 r6:c68d8000 r5:c590e140 # [ 90.258446] r4:c590e140 # [ 90.261254] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 90.268662] r9:c68d8000 r8:c03002e4 r7:00000004 r6:b6f08e00 r5:00000012 r4:00000012 # [ 90.276682] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 90.284521] Exception stack(0xc68d9fa8 to 0xc68d9ff0) # [ 90.289845] 9fa0: 00000012 00000012 00000001 b6dc1000 00000012 00000000 # [ 90.298296] 9fc0: 00000012 00000012 b6f08e00 00000004 00000001 00000000 00020000 bebc3ac4 # [ 90.306742] 9fe0: 00000004 bebc37f8 b6e72d8f b6df97e6 # [ 90.312129] irq event stamp: 0 # [ 90.315469] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 90.321356] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 90.329161] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 90.336927] softirqs last disabled at (0): [<00000000>] 0x0 # [ 90.342819] ---[ end trace d6e76fda740c8d43 ]--- # [ 90.347717] lkdtm: Zero detected: saturated # REFCOUNT_DEC_ZERO: missing 'call trace:': [FAIL] not ok 46 selftests: lkdtm: REFCOUNT_DEC_ZERO.sh # exit=1 # selftests: lkdtm: REFCOUNT_DEC_NEGATIVE.sh <6>[ 90.921255] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE <6>[ 90.927573] lkdtm: attempting bad refcount_dec() below zero <4>[ 90.933539] ------------[ cut here ]------------ <4>[ 90.938483] WARNING: CPU: 1 PID: 2821 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 <4>[ 90.947250] refcount_t: decrement hit 0; leaking memory. <4>[ 90.952895] 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 dw_hdmi_imx dw_hdmi parallel_display caam error imx_ldb imxdrm flexcan can_dev etnaviv gpu_sched imx_ipu_v3 <4>[ 90.982386] CPU: 1 PID: 2821 Comm: cat Tainted: G D W 5.10.206-cip41 #1 <4>[ 90.990400] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 90.997196] Backtrace: <4>[ 90.999931] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 91.007774] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 <4>[ 91.013712] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 91.021299] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 91.028536] r9:00000009 r8:c0875474 r7:0000001f r6:00000009 r5:c0875474 r4:c1a29b24 <4>[ 91.036556] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 91.044308] r7:0000001f r6:c1a29b24 r5:c1a29b88 r4:c5f1a000 <4>[ 91.050244] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) <4>[ 91.059473] r9:c1ad5a6c r8:c15ebd0c r7:c5f1bf60 r6:00000016 r5:00000000 r4:c5f1a000 <4>[ 91.067497] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) <4>[ 91.077428] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_NEGATIVE+0x48/0x70) <4>[ 91.087793] [] (lkdtm_REFCOUNT_DEC_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 91.097194] r5:c59b6000 r4:00000030 <4>[ 91.101044] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 91.109327] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 91.117516] r9:c5f1bf60 r8:c5313cc0 r7:00000016 r6:b6deb000 r5:c5c58f00 r4:c0c57e4c <4>[ 91.125540] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 91.133642] r9:c07e1b5c r8:c5f1bf60 r7:c2815800 r6:b6deb000 r5:c5c58f00 r4:00000000 <4>[ 91.141659] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 91.149067] r10:00000004 r9:00000000 r8:00000000 r7:b6deb000 r6:c5f1a000 r5:c5c58f00 <4>[ 91.157162] r4:c5c58f00 <4>[ 91.159973] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 91.167381] r9:c5f1a000 r8:c03002e4 r7:00000004 r6:b6f32e00 r5:00000016 r4:00000016 <4>[ 91.175400] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 91.183237] Exception stack(0xc5f1bfa8 to 0xc5f1bff0) <4>[ 91.188562] bfa0: 00000016 00000016 00000001 b6deb000 00000016 00000000 <4>[ 91.197012] bfc0: 00000016 00000016 b6f32e00 00000004 00000001 00000000 00020000 beb92ac4 <4>[ 91.205459] bfe0: 00000004 beb927f8 b6e9cd8f b6e237e6 <4>[ 91.210852] irq event stamp: 0 <4>[ 91.214196] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 91.220083] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 91.227848] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 91.235661] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 91.241542] ---[ end trace d6e76fda740c8d44 ]--- <6>[ 91.246438] lkdtm: Negative detected: saturated # [ 90.921255] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 90.927573] lkdtm: attempting bad refcount_dec() below zero # [ 90.933539] ------------[ cut here ]------------ # [ 90.938483] WARNING: CPU: 1 PID: 2821 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 # [ 90.947250] refcount_t: decrement hit 0; leaking memory. # [ 90.952895] 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 dw_hdmi_imx dw_hdmi parallel_display caam error imx_ldb imxdrm flexcan can_dev etnaviv gpu_sched imx_ipu_v3 # [ 90.982386] CPU: 1 PID: 2821 Comm: cat Tainted: G D W 5.10.206-cip41 #1 # [ 90.990400] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 90.997196] Backtrace: # [ 90.999931] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 91.007774] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 91.013712] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 91.021299] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 91.028536] r9:00000009 r8:c0875474 r7:0000001f r6:00000009 r5:c0875474 r4:c1a29b24 # [ 91.036556] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 91.044308] r7:0000001f r6:c1a29b24 r5:c1a29b88 r4:c5f1a000 # [ 91.050244] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) # [ 91.059473] r9:c1ad5a6c r8:c15ebd0c r7:c5f1bf60 r6:00000016 r5:00000000 r4:c5f1a000 # [ 91.067497] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) # [ 91.077428] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_NEGATIVE+0x48/0x70) # [ 91.087793] [] (lkdtm_REFCOUNT_DEC_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 91.097194] r5:c59b6000 r4:00000030 # [ 91.101044] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 91.109327] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 91.117516] r9:c5f1bf60 r8:c5313cc0 r7:00000016 r6:b6deb000 r5:c5c58f00 r4:c0c57e4c # [ 91.125540] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 91.133642] r9:c07e1b5c r8:c5f1bf60 r7:c2815800 r6:b6deb000 r5:c5c58f00 r4:00000000 # [ 91.141659] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 91.149067] r10:00000004 r9:00000000 r8:00000000 r7:b6deb000 r6:c5f1a000 r5:c5c58f00 # [ 91.157162] r4:c5c58f00 # [ 91.159973] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 91.167381] r9:c5f1a000 r8:c03002e4 r7:00000004 r6:b6f32e00 r5:00000016 r4:00000016 # [ 91.175400] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 91.183237] Exception stack(0xc5f1bfa8 to 0xc5f1bff0) # [ 91.188562] bfa0: 00000016 00000016 00000001 b6deb000 00000016 00000000 # [ 91.197012] bfc0: 00000016 00000016 b6f32e00 00000004 00000001 00000000 00020000 beb92ac4 # [ 91.205459] bfe0: 00000004 beb927f8 b6e9cd8f b6e237e6 # [ 91.210852] irq event stamp: 0 # [ 91.214196] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 91.220083] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 91.227848] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 91.235661] softirqs last disabled at (0): [<00000000>] 0x0 # [ 91.241542] ---[ end trace d6e76fda740c8d44 ]--- # [ 91.246438] lkdtm: Negative detected: saturated # REFCOUNT_DEC_NEGATIVE: saw 'Negative detected: saturated': ok ok 47 selftests: lkdtm: REFCOUNT_DEC_NEGATIVE.sh # selftests: lkdtm: REFCOUNT_DEC_AND_TEST_NEGATIVE.sh <6>[ 91.801756] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE <6>[ 91.808854] lkdtm: attempting bad refcount_dec_and_test() below zero <4>[ 91.815613] ------------[ cut here ]------------ <4>[ 91.820582] WARNING: CPU: 0 PID: 2857 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 <4>[ 91.829436] refcount_t: underflow; use-after-free. <4>[ 91.834501] 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 dw_hdmi_imx dw_hdmi parallel_display caam error imx_ldb imxdrm flexcan can_dev etnaviv gpu_sched imx_ipu_v3 <4>[ 91.864081] CPU: 0 PID: 2857 Comm: cat Tainted: G D W 5.10.206-cip41 #1 <4>[ 91.872095] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 91.878893] Backtrace: <4>[ 91.881630] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 91.889474] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 <4>[ 91.895410] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 91.902999] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 91.910234] r9:00000009 r8:c0875544 r7:0000001c r6:00000009 r5:c0875544 r4:c1a29b24 <4>[ 91.918252] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 91.926005] r7:0000001c r6:c1a29b24 r5:c1a29b60 r4:c6a70000 <4>[ 91.931942] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) <4>[ 91.941261] r9:c1ad5a84 r8:c15ebd0c r7:c6a71f60 r6:0000001f r5:00000000 r4:c6a70000 <4>[ 91.949282] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) <4>[ 91.959999] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x50/0x8c) <4>[ 91.971924] [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 91.982106] r5:c6b9f000 r4:00000031 <4>[ 91.985954] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 91.994239] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 92.002427] r9:c6a71f60 r8:c5313cc0 r7:0000001f r6:b6ea6000 r5:c6af2140 r4:c0c57e4c <4>[ 92.010453] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 92.018555] r9:c07e1b5c r8:c6a71f60 r7:c2815800 r6:b6ea6000 r5:c6af2140 r4:00000000 <4>[ 92.026571] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 92.033978] r10:00000004 r9:00000000 r8:00000000 r7:b6ea6000 r6:c6a70000 r5:c6af2140 <4>[ 92.042075] r4:c6af2140 <4>[ 92.044884] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 92.052292] r9:c6a70000 r8:c03002e4 r7:00000004 r6:b6fede00 r5:0000001f r4:0000001f <4>[ 92.060311] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 92.068149] Exception stack(0xc6a71fa8 to 0xc6a71ff0) <4>[ 92.073473] 1fa0: 0000001f 0000001f 00000001 b6ea6000 0000001f 00000000 <4>[ 92.081925] 1fc0: 0000001f 0000001f b6fede00 00000004 00000001 00000000 00020000 bea39ac4 <4>[ 92.090371] 1fe0: 00000004 bea397f8 b6f57d8f b6ede7e6 <4>[ 92.095782] irq event stamp: 0 <4>[ 92.099148] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 92.105005] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 92.113421] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 92.121257] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 92.127109] ---[ end trace d6e76fda740c8d45 ]--- <6>[ 92.132035] lkdtm: Negative detected: saturated # [ 91.801756] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 91.808854] lkdtm: attempting bad refcount_dec_and_test() below zero # [ 91.815613] ------------[ cut here ]------------ # [ 91.820582] WARNING: CPU: 0 PID: 2857 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 91.829436] refcount_t: underflow; use-after-free. # [ 91.834501] 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 dw_hdmi_imx dw_hdmi parallel_display caam error imx_ldb imxdrm flexcan can_dev etnaviv gpu_sched imx_ipu_v3 # [ 91.864081] CPU: 0 PID: 2857 Comm: cat Tainted: G D W 5.10.206-cip41 #1 # [ 91.872095] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 91.878893] Backtrace: # [ 91.881630] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 91.889474] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 91.895410] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 91.902999] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 91.910234] r9:00000009 r8:c0875544 r7:0000001c r6:00000009 r5:c0875544 r4:c1a29b24 # [ 91.918252] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 91.926005] r7:0000001c r6:c1a29b24 r5:c1a29b60 r4:c6a70000 # [ 91.931942] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 91.941261] r9:c1ad5a84 r8:c15ebd0c r7:c6a71f60 r6:0000001f r5:00000000 r4:c6a70000 # [ 91.949282] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 91.959999] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x50/0x8c) # [ 91.971924] [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 91.982106] r5:c6b9f000 r4:00000031 # [ 91.985954] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 91.994239] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 92.002427] r9:c6a71f60 r8:c5313cc0 r7:0000001f r6:b6ea6000 r5:c6af2140 r4:c0c57e4c # [ 92.010453] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 92.018555] r9:c07e1b5c r8:c6a71f60 r7:c2815800 r6:b6ea6000 r5:c6af2140 r4:00000000 # [ 92.026571] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 92.033978] r10:00000004 r9:00000000 r8:00000000 r7:b6ea6000 r6:c6a70000 r5:c6af2140 # [ 92.042075] r4:c6af2140 # [ 92.044884] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 92.052292] r9:c6a70000 r8:c03002e4 r7:00000004 r6:b6fede00 r5:0000001f r4:0000001f # [ 92.060311] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 92.068149] Exception stack(0xc6a71fa8 to 0xc6a71ff0) # [ 92.073473] 1fa0: 0000001f 0000001f 00000001 b6ea6000 0000001f 00000000 # [ 92.081925] 1fc0: 0000001f 0000001f b6fede00 00000004 00000001 00000000 00020000 bea39ac4 # [ 92.090371] 1fe0: 00000004 bea397f8 b6f57d8f b6ede7e6 # [ 92.095782] irq event stamp: 0 # [ 92.099148] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 92.105005] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 92.113421] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 92.121257] softirqs last disabled at (0): [<00000000>] 0x0 # [ 92.127109] ---[ end trace d6e76fda740c8d45 ]--- # [ 92.132035] lkdtm: Negative detected: saturated # REFCOUNT_DEC_AND_TEST_NEGATIVE: saw 'Negative detected: saturated': ok ok 48 selftests: lkdtm: REFCOUNT_DEC_AND_TEST_NEGATIVE.sh # selftests: lkdtm: REFCOUNT_SUB_AND_TEST_NEGATIVE.sh <6>[ 92.728612] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE <6>[ 92.735820] lkdtm: attempting bad refcount_sub_and_test() below zero <4>[ 92.742633] ------------[ cut here ]------------ <4>[ 92.747576] WARNING: CPU: 0 PID: 2893 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 <4>[ 92.756434] refcount_t: underflow; use-after-free. <4>[ 92.761537] 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 dw_hdmi_imx dw_hdmi parallel_display caam error imx_ldb imxdrm flexcan can_dev etnaviv gpu_sched imx_ipu_v3 <4>[ 92.791125] CPU: 0 PID: 2893 Comm: cat Tainted: G D W 5.10.206-cip41 #1 <4>[ 92.799141] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 92.805936] Backtrace: <4>[ 92.808672] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 92.816516] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 <4>[ 92.822455] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 92.830047] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 92.837282] r9:00000009 r8:c0875544 r7:0000001c r6:00000009 r5:c0875544 r4:c1a29b24 <4>[ 92.845300] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 92.853053] r7:0000001c r6:c1a29b24 r5:c1a29b60 r4:c6a96000 <4>[ 92.858989] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) <4>[ 92.868306] r9:c1ad5aa4 r8:c15ebd0c r7:c6a97f60 r6:0000001f r5:c69c7000 r4:c6a96000 <4>[ 92.876329] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) <4>[ 92.887047] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x50/0x8c) <4>[ 92.898973] [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 92.909154] r4:00000032 <4>[ 92.911961] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 92.920244] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 92.928433] r9:c6a97f60 r8:c5313cc0 r7:0000001f r6:b6e83000 r5:c6854500 r4:c0c57e4c <4>[ 92.936455] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 92.944557] r9:c07e1b5c r8:c6a97f60 r7:c2815800 r6:b6e83000 r5:c6854500 r4:00000000 <4>[ 92.952575] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 92.959981] r10:00000004 r9:00000000 r8:00000000 r7:b6e83000 r6:c6a96000 r5:c6854500 <4>[ 92.968078] r4:c6854500 <4>[ 92.970885] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 92.978292] r9:c6a96000 r8:c03002e4 r7:00000004 r6:b6fcae00 r5:0000001f r4:0000001f <4>[ 92.986311] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 92.994149] Exception stack(0xc6a97fa8 to 0xc6a97ff0) <4>[ 92.999473] 7fa0: 0000001f 0000001f 00000001 b6e83000 0000001f 00000000 <4>[ 93.007924] 7fc0: 0000001f 0000001f b6fcae00 00000004 00000001 00000000 00020000 beae0ac4 <4>[ 93.016371] 7fe0: 00000004 beae07f8 b6f34d8f b6ebb7e6 <4>[ 93.021761] irq event stamp: 0 <4>[ 93.025099] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 93.030991] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 93.038774] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 93.047635] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 93.053549] ---[ end trace d6e76fda740c8d46 ]--- <6>[ 93.058443] lkdtm: Negative detected: saturated # [ 92.728612] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 92.735820] lkdtm: attempting bad refcount_sub_and_test() below zero # [ 92.742633] ------------[ cut here ]------------ # [ 92.747576] WARNING: CPU: 0 PID: 2893 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 92.756434] refcount_t: underflow; use-after-free. # [ 92.761537] 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 dw_hdmi_imx dw_hdmi parallel_display caam error imx_ldb imxdrm flexcan can_dev etnaviv gpu_sched imx_ipu_v3 # [ 92.791125] CPU: 0 PID: 2893 Comm: cat Tainted: G D W 5.10.206-cip41 #1 # [ 92.799141] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 92.805936] Backtrace: # [ 92.808672] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 92.816516] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 92.822455] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 92.830047] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 92.837282] r9:00000009 r8:c0875544 r7:0000001c r6:00000009 r5:c0875544 r4:c1a29b24 # [ 92.845300] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 92.853053] r7:0000001c r6:c1a29b24 r5:c1a29b60 r4:c6a96000 # [ 92.858989] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 92.868306] r9:c1ad5aa4 r8:c15ebd0c r7:c6a97f60 r6:0000001f r5:c69c7000 r4:c6a96000 # [ 92.876329] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 92.887047] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x50/0x8c) # [ 92.898973] [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 92.909154] r4:00000032 # [ 92.911961] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 92.920244] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 92.928433] r9:c6a97f60 r8:c5313cc0 r7:0000001f r6:b6e83000 r5:c6854500 r4:c0c57e4c # [ 92.936455] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 92.944557] r9:c07e1b5c r8:c6a97f60 r7:c2815800 r6:b6e83000 r5:c6854500 r4:00000000 # [ 92.952575] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 92.959981] r10:00000004 r9:00000000 r8:00000000 r7:b6e83000 r6:c6a96000 r5:c6854500 # [ 92.968078] r4:c6854500 # [ 92.970885] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 92.978292] r9:c6a96000 r8:c03002e4 r7:00000004 r6:b6fcae00 r5:0000001f r4:0000001f # [ 92.986311] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 92.994149] Exception stack(0xc6a97fa8 to 0xc6a97ff0) # [ 92.999473] 7fa0: 0000001f 0000001f 00000001 b6e83000 0000001f 00000000 # [ 93.007924] 7fc0: 0000001f 0000001f b6fcae00 00000004 00000001 00000000 00020000 beae0ac4 # [ 93.016371] 7fe0: 00000004 beae07f8 b6f34d8f b6ebb7e6 # [ 93.021761] irq event stamp: 0 # [ 93.025099] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 93.030991] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 93.038774] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 93.047635] softirqs last disabled at (0): [<00000000>] 0x0 # [ 93.053549] ---[ end trace d6e76fda740c8d46 ]--- # [ 93.058443] lkdtm: Negative detected: saturated # REFCOUNT_SUB_AND_TEST_NEGATIVE: saw 'Negative detected: saturated': ok ok 49 selftests: lkdtm: REFCOUNT_SUB_AND_TEST_NEGATIVE.sh # selftests: lkdtm: REFCOUNT_INC_ZERO.sh <6>[ 93.642579] lkdtm: Performing direct entry REFCOUNT_INC_ZERO <6>[ 93.648549] lkdtm: attempting safe refcount_inc_not_zero() from zero <6>[ 93.655296] lkdtm: Good: zero detected <6>[ 93.659472] lkdtm: Correctly stayed at zero <6>[ 93.663952] lkdtm: attempting bad refcount_inc() from zero <4>[ 93.669751] ------------[ cut here ]------------ <4>[ 93.674661] WARNING: CPU: 3 PID: 2926 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 <4>[ 93.683498] refcount_t: addition on 0; use-after-free. <4>[ 93.688911] 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 dw_hdmi_imx dw_hdmi parallel_display caam error imx_ldb imxdrm flexcan can_dev etnaviv gpu_sched imx_ipu_v3 <4>[ 93.718438] CPU: 3 PID: 2926 Comm: cat Tainted: G D W 5.10.206-cip41 #1 <4>[ 93.726452] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 93.733249] Backtrace: <4>[ 93.735983] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 93.743827] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 <4>[ 93.749762] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 93.757352] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 93.764587] r9:00000009 r8:c0875510 r7:00000019 r6:00000009 r5:c0875510 r4:c1a29b24 <4>[ 93.772605] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 93.780358] r7:00000019 r6:c1a29b24 r5:c1a29b34 r4:c6aca000 <4>[ 93.786295] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) <4>[ 93.795612] r9:c1ad5ac4 r8:c15ebd0c r7:c6acbf60 r6:00000012 r5:00000000 r4:c6aca000 <4>[ 93.803635] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) <4>[ 93.813568] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_ZERO+0xa8/0xcc) <4>[ 93.823584] [] (lkdtm_REFCOUNT_INC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 93.832636] r5:c5df8000 r4:00000033 <4>[ 93.836485] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 93.844769] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 93.852958] r9:c6acbf60 r8:c5313cc0 r7:00000012 r6:b6dc3000 r5:c5908140 r4:c0c57e4c <4>[ 93.860981] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 93.869083] r9:c07e1b5c r8:c6acbf60 r7:c2815800 r6:b6dc3000 r5:c5908140 r4:00000000 <4>[ 93.877099] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 93.884507] r10:00000004 r9:00000000 r8:00000000 r7:b6dc3000 r6:c6aca000 r5:c5908140 <4>[ 93.892603] r4:c5908140 <4>[ 93.895411] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 93.902819] r9:c6aca000 r8:c03002e4 r7:00000004 r6:b6f0ae00 r5:00000012 r4:00000012 <4>[ 93.910837] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 93.918674] Exception stack(0xc6acbfa8 to 0xc6acbff0) <4>[ 93.923998] bfa0: 00000012 00000012 00000001 b6dc3000 00000012 00000000 <4>[ 93.932448] bfc0: 00000012 00000012 b6f0ae00 00000004 00000001 00000000 00020000 beb27ac4 <4>[ 93.940895] bfe0: 00000004 beb277f8 b6e74d8f b6dfb7e6 <4>[ 93.946294] irq event stamp: 0 <4>[ 93.949661] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 93.955518] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 93.963332] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 93.971186] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 93.977048] ---[ end trace d6e76fda740c8d47 ]--- <6>[ 93.981977] lkdtm: Zero detected: saturated # [ 93.642579] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 93.648549] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 93.655296] lkdtm: Good: zero detected # [ 93.659472] lkdtm: Correctly stayed at zero # [ 93.663952] lkdtm: attempting bad refcount_inc() from zero # [ 93.669751] ------------[ cut here ]------------ # [ 93.674661] WARNING: CPU: 3 PID: 2926 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 # [ 93.683498] refcount_t: addition on 0; use-after-free. # [ 93.688911] 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 dw_hdmi_imx dw_hdmi parallel_display caam error imx_ldb imxdrm flexcan can_dev etnaviv gpu_sched imx_ipu_v3 # [ 93.718438] CPU: 3 PID: 2926 Comm: cat Tainted: G D W 5.10.206-cip41 #1 # [ 93.726452] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 93.733249] Backtrace: # [ 93.735983] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 93.743827] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 93.749762] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 93.757352] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 93.764587] r9:00000009 r8:c0875510 r7:00000019 r6:00000009 r5:c0875510 r4:c1a29b24 # [ 93.772605] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 93.780358] r7:00000019 r6:c1a29b24 r5:c1a29b34 r4:c6aca000 # [ 93.786295] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) # [ 93.795612] r9:c1ad5ac4 r8:c15ebd0c r7:c6acbf60 r6:00000012 r5:00000000 r4:c6aca000 # [ 93.803635] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) # [ 93.813568] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_ZERO+0xa8/0xcc) # [ 93.823584] [] (lkdtm_REFCOUNT_INC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 93.832636] r5:c5df8000 r4:00000033 # [ 93.836485] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 93.844769] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 93.852958] r9:c6acbf60 r8:c5313cc0 r7:00000012 r6:b6dc3000 r5:c5908140 r4:c0c57e4c # [ 93.860981] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 93.869083] r9:c07e1b5c r8:c6acbf60 r7:c2815800 r6:b6dc3000 r5:c5908140 r4:00000000 # [ 93.877099] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 93.884507] r10:00000004 r9:00000000 r8:00000000 r7:b6dc3000 r6:c6aca000 r5:c5908140 # [ 93.892603] r4:c5908140 # [ 93.895411] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 93.902819] r9:c6aca000 r8:c03002e4 r7:00000004 r6:b6f0ae00 r5:00000012 r4:00000012 # [ 93.910837] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 93.918674] Exception stack(0xc6acbfa8 to 0xc6acbff0) # [ 93.923998] bfa0: 00000012 00000012 00000001 b6dc3000 00000012 00000000 # [ 93.932448] bfc0: 00000012 00000012 b6f0ae00 00000004 00000001 00000000 00020000 beb27ac4 # [ 93.940895] bfe0: 00000004 beb277f8 b6e74d8f b6dfb7e6 # [ 93.946294] irq event stamp: 0 # [ 93.949661] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 93.955518] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 93.963332] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 93.971186] softirqs last disabled at (0): [<00000000>] 0x0 # [ 93.977048] ---[ end trace d6e76fda740c8d47 ]--- # [ 93.981977] lkdtm: Zero detected: saturated # REFCOUNT_INC_ZERO: missing 'call trace:': [FAIL] not ok 50 selftests: lkdtm: REFCOUNT_INC_ZERO.sh # exit=1 # selftests: lkdtm: REFCOUNT_ADD_ZERO.sh <6>[ 94.556440] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO <6>[ 94.562592] lkdtm: attempting safe refcount_add_not_zero() from zero <6>[ 94.569379] lkdtm: Good: zero detected <6>[ 94.573424] lkdtm: Correctly stayed at zero <6>[ 94.577898] lkdtm: attempting bad refcount_add() from zero <4>[ 94.583793] ------------[ cut here ]------------ <4>[ 94.588736] WARNING: CPU: 3 PID: 2961 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 <4>[ 94.597637] refcount_t: addition on 0; use-after-free. <4>[ 94.603168] 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 dw_hdmi_imx dw_hdmi parallel_display caam error imx_ldb imxdrm flexcan can_dev etnaviv gpu_sched imx_ipu_v3 <4>[ 94.633017] CPU: 3 PID: 2961 Comm: cat Tainted: G D W 5.10.206-cip41 #1 <4>[ 94.641051] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 94.647862] Backtrace: <4>[ 94.650626] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 94.658491] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 <4>[ 94.664450] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 94.672064] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 94.679320] r9:00000009 r8:c0875510 r7:00000019 r6:00000009 r5:c0875510 r4:c1a29b24 <4>[ 94.687360] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 94.695132] r7:00000019 r6:c1a29b24 r5:c1a29b34 r4:c5f2c000 <4>[ 94.701091] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) <4>[ 94.710428] r9:c1ad5ad8 r8:c15ebd0c r7:c5f2df60 r6:00000012 r5:00000000 r4:c5f2c000 <4>[ 94.718475] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) <4>[ 94.728433] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_ZERO+0xa8/0xcc) <4>[ 94.738469] [] (lkdtm_REFCOUNT_ADD_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 94.747538] r5:c5dd9000 r4:00000034 <4>[ 94.751405] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 94.759712] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 94.767919] r9:c5f2df60 r8:c5313cc0 r7:00000012 r6:b6e1e000 r5:c6913e00 r4:c0c57e4c <4>[ 94.775967] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 94.784089] r9:c07e1b5c r8:c5f2df60 r7:c2815800 r6:b6e1e000 r5:c6913e00 r4:00000000 <4>[ 94.792126] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 94.799553] r10:00000004 r9:00000000 r8:00000000 r7:b6e1e000 r6:c5f2c000 r5:c6913e00 <4>[ 94.807663] r4:c6913e00 <4>[ 94.810490] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 94.817917] r9:c5f2c000 r8:c03002e4 r7:00000004 r6:b6f65e00 r5:00000012 r4:00000012 <4>[ 94.825956] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 94.833807] Exception stack(0xc5f2dfa8 to 0xc5f2dff0) <4>[ 94.839150] dfa0: 00000012 00000012 00000001 b6e1e000 00000012 00000000 <4>[ 94.847620] dfc0: 00000012 00000012 b6f65e00 00000004 00000001 00000000 00020000 becbbac4 <4>[ 94.856082] dfe0: 00000004 becbb7f8 b6ecfd8f b6e567e6 <4>[ 94.861575] irq event stamp: 0 <4>[ 94.864944] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 94.870912] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 94.878703] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 94.886554] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 94.892482] ---[ end trace d6e76fda740c8d48 ]--- <6>[ 94.897430] lkdtm: Zero detected: saturated # [ 94.556440] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 94.562592] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 94.569379] lkdtm: Good: zero detected # [ 94.573424] lkdtm: Correctly stayed at zero # [ 94.577898] lkdtm: attempting bad refcount_add() from zero # [ 94.583793] ------------[ cut here ]------------ # [ 94.588736] WARNING: CPU: 3 PID: 2961 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 # [ 94.597637] refcount_t: addition on 0; use-after-free. # [ 94.603168] 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 dw_hdmi_imx dw_hdmi parallel_display caam error imx_ldb imxdrm flexcan can_dev etnaviv gpu_sched imx_ipu_v3 # [ 94.633017] CPU: 3 PID: 2961 Comm: cat Tainted: G D W 5.10.206-cip41 #1 # [ 94.641051] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 94.647862] Backtrace: # [ 94.650626] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 94.658491] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 94.664450] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 94.672064] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 94.679320] r9:00000009 r8:c0875510 r7:00000019 r6:00000009 r5:c0875510 r4:c1a29b24 # [ 94.687360] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 94.695132] r7:00000019 r6:c1a29b24 r5:c1a29b34 r4:c5f2c000 # [ 94.701091] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) # [ 94.710428] r9:c1ad5ad8 r8:c15ebd0c r7:c5f2df60 r6:00000012 r5:00000000 r4:c5f2c000 # [ 94.718475] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) # [ 94.728433] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_ZERO+0xa8/0xcc) # [ 94.738469] [] (lkdtm_REFCOUNT_ADD_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 94.747538] r5:c5dd9000 r4:00000034 # [ 94.751405] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 94.759712] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 94.767919] r9:c5f2df60 r8:c5313cc0 r7:00000012 r6:b6e1e000 r5:c6913e00 r4:c0c57e4c # [ 94.775967] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 94.784089] r9:c07e1b5c r8:c5f2df60 r7:c2815800 r6:b6e1e000 r5:c6913e00 r4:00000000 # [ 94.792126] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 94.799553] r10:00000004 r9:00000000 r8:00000000 r7:b6e1e000 r6:c5f2c000 r5:c6913e00 # [ 94.807663] r4:c6913e00 # [ 94.810490] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 94.817917] r9:c5f2c000 r8:c03002e4 r7:00000004 r6:b6f65e00 r5:00000012 r4:00000012 # [ 94.825956] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 94.833807] Exception stack(0xc5f2dfa8 to 0xc5f2dff0) # [ 94.839150] dfa0: 00000012 00000012 00000001 b6e1e000 00000012 00000000 # [ 94.847620] dfc0: 00000012 00000012 b6f65e00 00000004 00000001 00000000 00020000 becbbac4 # [ 94.856082] dfe0: 00000004 becbb7f8 b6ecfd8f b6e567e6 # [ 94.861575] irq event stamp: 0 # [ 94.864944] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 94.870912] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 94.878703] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 94.886554] softirqs last disabled at (0): [<00000000>] 0x0 # [ 94.892482] ---[ end trace d6e76fda740c8d48 ]--- # [ 94.897430] 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>[ 95.519873] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED <6>[ 95.526278] lkdtm: attempting bad refcount_inc() from saturated <4>[ 95.532556] ------------[ cut here ]------------ <4>[ 95.537468] WARNING: CPU: 1 PID: 2999 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 <4>[ 95.546250] refcount_t: saturated; leaking memory. <4>[ 95.551386] 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 dw_hdmi_imx dw_hdmi parallel_display caam error imx_ldb imxdrm flexcan can_dev etnaviv gpu_sched imx_ipu_v3 <4>[ 95.580895] CPU: 1 PID: 2999 Comm: cat Tainted: G D W 5.10.206-cip41 #1 <4>[ 95.588911] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 95.595706] Backtrace: <4>[ 95.598442] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 95.606285] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 <4>[ 95.612224] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 95.619814] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 95.627049] r9:00000009 r8:c08754dc r7:00000016 r6:00000009 r5:c08754dc r4:c1a29b24 <4>[ 95.635067] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 95.642820] r7:00000016 r6:c1a29b24 r5:c1a29afc r4:c6aca000 <4>[ 95.648756] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) <4>[ 95.657987] r9:c1ad5aec r8:c15ebd0c r7:c6acbf60 r6:00000017 r5:c59b6000 r4:c6aca000 <4>[ 95.666009] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) <4>[ 95.675945] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_SATURATED+0x4c/0x70) <4>[ 95.686395] [] (lkdtm_REFCOUNT_INC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 95.695882] r4:00000035 <4>[ 95.698690] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 95.706973] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 95.715162] r9:c6acbf60 r8:c5313cc0 r7:00000017 r6:b6e46000 r5:c5967400 r4:c0c57e4c <4>[ 95.723188] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 95.731290] r9:c07e1b5c r8:c6acbf60 r7:c2815800 r6:b6e46000 r5:c5967400 r4:00000000 <4>[ 95.739308] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 95.746714] r10:00000004 r9:00000000 r8:00000000 r7:b6e46000 r6:c6aca000 r5:c5967400 <4>[ 95.754810] r4:c5967400 <4>[ 95.757618] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 95.765026] r9:c6aca000 r8:c03002e4 r7:00000004 r6:b6f8de00 r5:00000017 r4:00000017 <4>[ 95.773046] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 95.780884] Exception stack(0xc6acbfa8 to 0xc6acbff0) <4>[ 95.786209] bfa0: 00000017 00000017 00000001 b6e46000 00000017 00000000 <4>[ 95.794659] bfc0: 00000017 00000017 b6f8de00 00000004 00000001 00000000 00020000 be9b7ac4 <4>[ 95.803105] bfe0: 00000004 be9b77f8 b6ef7d8f b6e7e7e6 <4>[ 95.808492] irq event stamp: 0 <4>[ 95.811862] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 95.817718] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 95.825527] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 95.833359] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 95.839280] ---[ end trace d6e76fda740c8d49 ]--- <6>[ 95.844209] lkdtm: Saturation detected: still saturated # [ 95.519873] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 95.526278] lkdtm: attempting bad refcount_inc() from saturated # [ 95.532556] ------------[ cut here ]------------ # [ 95.537468] WARNING: CPU: 1 PID: 2999 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 95.546250] refcount_t: saturated; leaking memory. # [ 95.551386] 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 dw_hdmi_imx dw_hdmi parallel_display caam error imx_ldb imxdrm flexcan can_dev etnaviv gpu_sched imx_ipu_v3 # [ 95.580895] CPU: 1 PID: 2999 Comm: cat Tainted: G D W 5.10.206-cip41 #1 # [ 95.588911] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 95.595706] Backtrace: # [ 95.598442] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 95.606285] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 95.612224] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 95.619814] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 95.627049] r9:00000009 r8:c08754dc r7:00000016 r6:00000009 r5:c08754dc r4:c1a29b24 # [ 95.635067] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 95.642820] r7:00000016 r6:c1a29b24 r5:c1a29afc r4:c6aca000 # [ 95.648756] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 95.657987] r9:c1ad5aec r8:c15ebd0c r7:c6acbf60 r6:00000017 r5:c59b6000 r4:c6aca000 # [ 95.666009] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 95.675945] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_SATURATED+0x4c/0x70) # [ 95.686395] [] (lkdtm_REFCOUNT_INC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 95.695882] r4:00000035 # [ 95.698690] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 95.706973] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 95.715162] r9:c6acbf60 r8:c5313cc0 r7:00000017 r6:b6e46000 r5:c5967400 r4:c0c57e4c # [ 95.723188] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 95.731290] r9:c07e1b5c r8:c6acbf60 r7:c2815800 r6:b6e46000 r5:c5967400 r4:00000000 # [ 95.739308] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 95.746714] r10:00000004 r9:00000000 r8:00000000 r7:b6e46000 r6:c6aca000 r5:c5967400 # [ 95.754810] r4:c5967400 # [ 95.757618] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 95.765026] r9:c6aca000 r8:c03002e4 r7:00000004 r6:b6f8de00 r5:00000017 r4:00000017 # [ 95.773046] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 95.780884] Exception stack(0xc6acbfa8 to 0xc6acbff0) # [ 95.786209] bfa0: 00000017 00000017 00000001 b6e46000 00000017 00000000 # [ 95.794659] bfc0: 00000017 00000017 b6f8de00 00000004 00000001 00000000 00020000 be9b7ac4 # [ 95.803105] bfe0: 00000004 be9b77f8 b6ef7d8f b6e7e7e6 # [ 95.808492] irq event stamp: 0 # [ 95.811862] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 95.817718] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 95.825527] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 95.833359] softirqs last disabled at (0): [<00000000>] 0x0 # [ 95.839280] ---[ end trace d6e76fda740c8d49 ]--- # [ 95.844209] 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>[ 96.429518] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED <6>[ 96.435923] lkdtm: attempting bad refcount_dec() from saturated <4>[ 96.442175] ------------[ cut here ]------------ <4>[ 96.447088] WARNING: CPU: 0 PID: 3035 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 <4>[ 96.455857] refcount_t: decrement hit 0; leaking memory. <4>[ 96.461484] 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 dw_hdmi_imx dw_hdmi parallel_display caam error imx_ldb imxdrm flexcan can_dev etnaviv gpu_sched imx_ipu_v3 <4>[ 96.491065] CPU: 0 PID: 3035 Comm: cat Tainted: G D W 5.10.206-cip41 #1 <4>[ 96.499081] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 96.505878] Backtrace: <4>[ 96.508616] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 96.516458] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 <4>[ 96.522396] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 96.529987] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 96.537222] r9:00000009 r8:c0875474 r7:0000001f r6:00000009 r5:c0875474 r4:c1a29b24 <4>[ 96.545242] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 96.552996] r7:0000001f r6:c1a29b24 r5:c1a29b88 r4:c6b18000 <4>[ 96.558931] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) <4>[ 96.568161] r9:c1ad5b04 r8:c15ebd0c r7:c6b19f60 r6:00000017 r5:c6e02000 r4:c6b18000 <4>[ 96.576185] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) <4>[ 96.586114] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_SATURATED+0x48/0x6c) <4>[ 96.596566] [] (lkdtm_REFCOUNT_DEC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 96.606052] r4:00000036 <4>[ 96.608858] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 96.617141] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 96.625330] r9:c6b19f60 r8:c5313cc0 r7:00000017 r6:b6e63000 r5:c5ff8dc0 r4:c0c57e4c <4>[ 96.633354] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 96.641456] r9:c07e1b5c r8:c6b19f60 r7:c2815800 r6:b6e63000 r5:c5ff8dc0 r4:00000000 <4>[ 96.649473] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 96.656880] r10:00000004 r9:00000000 r8:00000000 r7:b6e63000 r6:c6b18000 r5:c5ff8dc0 <4>[ 96.664977] r4:c5ff8dc0 <4>[ 96.667784] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 96.675192] r9:c6b18000 r8:c03002e4 r7:00000004 r6:b6faae00 r5:00000017 r4:00000017 <4>[ 96.683211] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 96.691048] Exception stack(0xc6b19fa8 to 0xc6b19ff0) <4>[ 96.696372] 9fa0: 00000017 00000017 00000001 b6e63000 00000017 00000000 <4>[ 96.704823] 9fc0: 00000017 00000017 b6faae00 00000004 00000001 00000000 00020000 bede0ac4 <4>[ 96.713269] 9fe0: 00000004 bede07f8 b6f14d8f b6e9b7e6 <4>[ 96.718695] irq event stamp: 0 <4>[ 96.722065] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 96.727923] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 96.735713] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 96.743499] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 96.749371] ---[ end trace d6e76fda740c8d4a ]--- <6>[ 96.754264] lkdtm: Saturation detected: still saturated # [ 96.429518] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 96.435923] lkdtm: attempting bad refcount_dec() from saturated # [ 96.442175] ------------[ cut here ]------------ # [ 96.447088] WARNING: CPU: 0 PID: 3035 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 # [ 96.455857] refcount_t: decrement hit 0; leaking memory. # [ 96.461484] 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 dw_hdmi_imx dw_hdmi parallel_display caam error imx_ldb imxdrm flexcan can_dev etnaviv gpu_sched imx_ipu_v3 # [ 96.491065] CPU: 0 PID: 3035 Comm: cat Tainted: G D W 5.10.206-cip41 #1 # [ 96.499081] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 96.505878] Backtrace: # [ 96.508616] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 96.516458] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 96.522396] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 96.529987] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 96.537222] r9:00000009 r8:c0875474 r7:0000001f r6:00000009 r5:c0875474 r4:c1a29b24 # [ 96.545242] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 96.552996] r7:0000001f r6:c1a29b24 r5:c1a29b88 r4:c6b18000 # [ 96.558931] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) # [ 96.568161] r9:c1ad5b04 r8:c15ebd0c r7:c6b19f60 r6:00000017 r5:c6e02000 r4:c6b18000 # [ 96.576185] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) # [ 96.586114] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_SATURATED+0x48/0x6c) # [ 96.596566] [] (lkdtm_REFCOUNT_DEC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 96.606052] r4:00000036 # [ 96.608858] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 96.617141] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 96.625330] r9:c6b19f60 r8:c5313cc0 r7:00000017 r6:b6e63000 r5:c5ff8dc0 r4:c0c57e4c # [ 96.633354] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 96.641456] r9:c07e1b5c r8:c6b19f60 r7:c2815800 r6:b6e63000 r5:c5ff8dc0 r4:00000000 # [ 96.649473] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 96.656880] r10:00000004 r9:00000000 r8:00000000 r7:b6e63000 r6:c6b18000 r5:c5ff8dc0 # [ 96.664977] r4:c5ff8dc0 # [ 96.667784] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 96.675192] r9:c6b18000 r8:c03002e4 r7:00000004 r6:b6faae00 r5:00000017 r4:00000017 # [ 96.683211] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 96.691048] Exception stack(0xc6b19fa8 to 0xc6b19ff0) # [ 96.696372] 9fa0: 00000017 00000017 00000001 b6e63000 00000017 00000000 # [ 96.704823] 9fc0: 00000017 00000017 b6faae00 00000004 00000001 00000000 00020000 bede0ac4 # [ 96.713269] 9fe0: 00000004 bede07f8 b6f14d8f b6e9b7e6 # [ 96.718695] irq event stamp: 0 # [ 96.722065] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 96.727923] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 96.735713] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 96.743499] softirqs last disabled at (0): [<00000000>] 0x0 # [ 96.749371] ---[ end trace d6e76fda740c8d4a ]--- # [ 96.754264] 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>[ 97.363495] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED <6>[ 97.370006] lkdtm: attempting bad refcount_dec() from saturated <4>[ 97.376224] ------------[ cut here ]------------ <4>[ 97.381221] WARNING: CPU: 2 PID: 3071 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 <4>[ 97.389981] refcount_t: saturated; leaking memory. <4>[ 97.395048] 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 dw_hdmi_imx dw_hdmi parallel_display caam error imx_ldb imxdrm flexcan can_dev etnaviv gpu_sched imx_ipu_v3 <4>[ 97.424567] CPU: 2 PID: 3071 Comm: cat Tainted: G D W 5.10.206-cip41 #1 <4>[ 97.432580] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 97.439375] Backtrace: <4>[ 97.442114] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 97.449957] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 <4>[ 97.455894] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 97.463486] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 97.470721] r9:00000009 r8:c08754dc r7:00000016 r6:00000009 r5:c08754dc r4:c1a29b24 <4>[ 97.478739] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 97.486494] r7:00000016 r6:c1a29b24 r5:c1a29afc r4:c5f2c000 <4>[ 97.492434] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) <4>[ 97.501667] r9:c1ad5b1c r8:c15ebd0c r7:c5f2df60 r6:00000017 r5:c6889000 r4:c5f2c000 <4>[ 97.509689] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) <4>[ 97.519624] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_SATURATED+0x4c/0x70) <4>[ 97.530076] [] (lkdtm_REFCOUNT_ADD_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 97.539561] r4:00000037 <4>[ 97.542369] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 97.550653] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 97.558843] r9:c5f2df60 r8:c5313cc0 r7:00000017 r6:b6e65000 r5:c46cef00 r4:c0c57e4c <4>[ 97.566866] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 97.574970] r9:c07e1b5c r8:c5f2df60 r7:c2815800 r6:b6e65000 r5:c46cef00 r4:00000000 <4>[ 97.582988] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 97.590395] r10:00000004 r9:00000000 r8:00000000 r7:b6e65000 r6:c5f2c000 r5:c46cef00 <4>[ 97.598493] r4:c46cef00 <4>[ 97.601303] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 97.608711] r9:c5f2c000 r8:c03002e4 r7:00000004 r6:b6face00 r5:00000017 r4:00000017 <4>[ 97.616730] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 97.624569] Exception stack(0xc5f2dfa8 to 0xc5f2dff0) <4>[ 97.629894] dfa0: 00000017 00000017 00000001 b6e65000 00000017 00000000 <4>[ 97.638345] dfc0: 00000017 00000017 b6face00 00000004 00000001 00000000 00020000 beaaaac4 <4>[ 97.646792] dfe0: 00000004 beaaa7f8 b6f16d8f b6e9d7e6 <4>[ 97.652186] irq event stamp: 0 <4>[ 97.655535] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 97.661434] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 97.669274] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 97.677059] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 97.682988] ---[ end trace d6e76fda740c8d4b ]--- <6>[ 97.687888] lkdtm: Saturation detected: still saturated # [ 0.000000] On node 0 totalpages: 262144 # [ 0.000000] DMA zone: 1536 pages used for memmap # [ 0.000000] DMA zone: 0 pages reserved # [ 0.000000] DMA zone: 196608 pages, LIFO batch:63 # [ 0.000000] HighMem zone: 65536 pages, LIFO batch:15 # [ 0.000000] percpu: Embedded 21 pages/cpu s55468 r8192 d22356 u86016 # [ 0.000000] pcpu-alloc: s55468 r8192 d22356 u86016 alloc=21*4096 # [ 0.000000] pcpu-alloc: [0] 0 [0] 1 [0] 2 [0] 3 # [ 0.000000] Built 1 zonelists, mobility grouping on. Total pages: 260608 # [ 0.000000] Kernel command line: console=ttymxc1,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/12460648/extract-nfsrootfs-hs3oc_q0,tcp,hard console_msg_format=syslog earlycon deferred_probe_timeout=60 ip=dhcp # [ 0.000000] Dentry cache hash table entries: 131072 (order: 7, 524288 bytes, linear) # [ 0.000000] Inode-cache hash table entries: 65536 (order: 6, 262144 bytes, linear) # [ 0.000000] mem auto-init: stack:off, heap alloc:off, heap free:off # [ 0.000000] Memory: 921472K/1048576K available (17408K kernel code, 2714K rwdata, 8140K rodata, 2048K init, 6693K bss, 61568K reserved, 65536K cma-reserved, 196608K highmem) # [ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 # [ 0.000000] ftrace: allocating 56140 entries in 165 pages # [ 0.000000] ftrace: allocated 165 pages with 4 groups # [ 0.000000] Running RCU self tests # [ 97.363495] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 97.370006] lkdtm: attempting bad refcount_dec() from saturated # [ 97.376224] ------------[ cut here ]------------ # [ 97.381221] WARNING: CPU: 2 PID: 3071 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 97.389981] refcount_t: saturated; leaking memory. # [ 97.395048] 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 dw_hdmi_imx dw_hdmi parallel_display caam error imx_ldb imxdrm flexcan can_dev etnaviv gpu_sched imx_ipu_v3 # [ 97.424567] CPU: 2 PID: 3071 Comm: cat Tainted: G D W 5.10.206-cip41 #1 # [ 97.432580] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 97.439375] Backtrace: # [ 97.442114] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 97.449957] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 97.455894] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 97.463486] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 97.470721] r9:00000009 r8:c08754dc r7:00000016 r6:00000009 r5:c08754dc r4:c1a29b24 # [ 97.478739] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 97.486494] r7:00000016 r6:c1a29b24 r5:c1a29afc r4:c5f2c000 # [ 97.492434] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 97.501667] r9:c1ad5b1c r8:c15ebd0c r7:c5f2df60 r6:00000017 r5:c6889000 r4:c5f2c000 # [ 97.509689] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 97.519624] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_SATURATED+0x4c/0x70) # [ 97.530076] [] (lkdtm_REFCOUNT_ADD_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 97.539561] r4:00000037 # [ 97.542369] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 97.550653] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 97.558843] r9:c5f2df60 r8:c5313cc0 r7:00000017 r6:b6e65000 r5:c46cef00 r4:c0c57e4c # [ 97.566866] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 97.574970] r9:c07e1b5c r8:c5f2df60 r7:c2815800 r6:b6e65000 r5:c46cef00 r4:00000000 # [ 97.582988] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 97.590395] r10:00000004 r9:00000000 r8:00000000 r7:b6e65000 r6:c5f2c000 r5:c46cef00 # [ 97.598493] r4:c46cef00 # [ 97.601303] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 97.608711] r9:c5f2c000 r8:c03002e4 r7:00000004 r6:b6face00 r5:00000017 r4:00000017 # [ 97.616730] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 97.624569] Exception stack(0xc5f2dfa8 to 0xc5f2dff0) # [ 97.629894] dfa0: 00000017 00000017 00000001 b6e65000 00000017 00000000 # [ 97.638345] dfc0: 00000017 00000017 b6face00 00000004 00000001 00000000 00020000 beaaaac4 # [ 97.646792] dfe0: 00000004 beaaa7f8 b6f16d8f b6e9d7e6 # [ 97.652186] irq event stamp: 0 # [ 97.655535] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 97.661434] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 97.669274] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 97.677059] softirqs last disabled at (0): [<00000000>] 0x0 # [ 97.682988] ---[ end trace d6e76fda740c8d4b ]--- # [ 97.687888] lkdtm: Saturation detected: still saturated # REFCOUNT_ADD_SATURATED: saw 'Saturation detected: still saturated': ok ok 54 selftests: lkdtm: REFCOUNT_ADD_SATURATED.sh # selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_SATURATED.sh <6>[ 98.314955] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED <6>[ 98.322250] lkdtm: attempting bad refcount_inc_not_zero() from saturated <4>[ 98.329377] ------------[ cut here ]------------ <4>[ 98.334314] WARNING: CPU: 1 PID: 3104 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 <4>[ 98.343068] refcount_t: saturated; leaking memory. <4>[ 98.348135] 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 dw_hdmi_imx dw_hdmi parallel_display caam error imx_ldb imxdrm flexcan can_dev etnaviv gpu_sched imx_ipu_v3 <4>[ 98.377699] CPU: 1 PID: 3104 Comm: cat Tainted: G D W 5.10.206-cip41 #1 <4>[ 98.385715] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 98.392510] Backtrace: <4>[ 98.395249] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 98.403092] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 <4>[ 98.409027] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 98.416616] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 98.423854] r9:00000009 r8:c08754a8 r7:00000013 r6:00000009 r5:c08754a8 r4:c1a29b24 <4>[ 98.431872] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 98.439625] r7:00000013 r6:c1a29b24 r5:c1a29afc r4:c5f50000 <4>[ 98.445562] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) <4>[ 98.454794] r9:c1ad5b34 r8:c15ebd0c r7:c5f51f60 r6:00000020 r5:c5d4f000 r4:c0000000 <4>[ 98.462819] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) <4>[ 98.473533] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x50/0x88) <4>[ 98.485539] r5:c5d4f000 r4:c5f50000 <4>[ 98.489395] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 98.499664] r4:00000038 <4>[ 98.502471] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 98.510756] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 98.518945] r9:c5f51f60 r8:c5313cc0 r7:00000020 r6:b6eb5000 r5:c5d2aa00 r4:c0c57e4c <4>[ 98.526970] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 98.535072] r9:c07e1b5c r8:c5f51f60 r7:c2815800 r6:b6eb5000 r5:c5d2aa00 r4:00000000 <4>[ 98.543089] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 98.550499] r10:00000004 r9:00000000 r8:00000000 r7:b6eb5000 r6:c5f50000 r5:c5d2aa00 <4>[ 98.558595] r4:c5d2aa00 <4>[ 98.561403] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 98.568811] r9:c5f50000 r8:c03002e4 r7:00000004 r6:b6ffce00 r5:00000020 r4:00000020 <4>[ 98.576831] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 98.584669] Exception stack(0xc5f51fa8 to 0xc5f51ff0) <4>[ 98.589996] 1fa0: 00000020 00000020 00000001 b6eb5000 00000020 00000000 <4>[ 98.598445] 1fc0: 00000020 00000020 b6ffce00 00000004 00000001 00000000 00020000 beb93ac4 <4>[ 98.606892] 1fe0: 00000004 beb937f8 b6f66d8f b6eed7e6 <4>[ 98.612282] irq event stamp: 0 <4>[ 98.615621] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 98.621517] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 98.629327] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 98.637113] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 98.643020] ---[ end trace d6e76fda740c8d4c ]--- <6>[ 98.647918] lkdtm: Saturation detected: still saturated # [ 98.314955] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 98.322250] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 98.329377] ------------[ cut here ]------------ # [ 98.334314] WARNING: CPU: 1 PID: 3104 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 98.343068] refcount_t: saturated; leaking memory. # [ 98.348135] 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 dw_hdmi_imx dw_hdmi parallel_display caam error imx_ldb imxdrm flexcan can_dev etnaviv gpu_sched imx_ipu_v3 # [ 98.377699] CPU: 1 PID: 3104 Comm: cat Tainted: G D W 5.10.206-cip41 #1 # [ 98.385715] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 98.392510] Backtrace: # [ 98.395249] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 98.403092] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 98.409027] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 98.416616] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 98.423854] r9:00000009 r8:c08754a8 r7:00000013 r6:00000009 r5:c08754a8 r4:c1a29b24 # [ 98.431872] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 98.439625] r7:00000013 r6:c1a29b24 r5:c1a29afc r4:c5f50000 # [ 98.445562] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 98.454794] r9:c1ad5b34 r8:c15ebd0c r7:c5f51f60 r6:00000020 r5:c5d4f000 r4:c0000000 # [ 98.462819] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 98.473533] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x50/0x88) # [ 98.485539] r5:c5d4f000 r4:c5f50000 # [ 98.489395] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 98.499664] r4:00000038 # [ 98.502471] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 98.510756] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 98.518945] r9:c5f51f60 r8:c5313cc0 r7:00000020 r6:b6eb5000 r5:c5d2aa00 r4:c0c57e4c # [ 98.526970] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 98.535072] r9:c07e1b5c r8:c5f51f60 r7:c2815800 r6:b6eb5000 r5:c5d2aa00 r4:00000000 # [ 98.543089] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 98.550499] r10:00000004 r9:00000000 r8:00000000 r7:b6eb5000 r6:c5f50000 r5:c5d2aa00 # [ 98.558595] r4:c5d2aa00 # [ 98.561403] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 98.568811] r9:c5f50000 r8:c03002e4 r7:00000004 r6:b6ffce00 r5:00000020 r4:00000020 # [ 98.576831] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 98.584669] Exception stack(0xc5f51fa8 to 0xc5f51ff0) # [ 98.589996] 1fa0: 00000020 00000020 00000001 b6eb5000 00000020 00000000 # [ 98.598445] 1fc0: 00000020 00000020 b6ffce00 00000004 00000001 00000000 00020000 beb93ac4 # [ 98.606892] 1fe0: 00000004 beb937f8 b6f66d8f b6eed7e6 # [ 98.612282] irq event stamp: 0 # [ 98.615621] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 98.621517] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 98.629327] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 98.637113] softirqs last disabled at (0): [<00000000>] 0x0 # [ 98.643020] ---[ end trace d6e76fda740c8d4c ]--- # [ 98.647918] lkdtm: Saturation detected: still saturated # REFCOUNT_INC_NOT_ZERO_SATURATED: missing 'call trace:': [FAIL] not ok 55 selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_SATURATED.sh # exit=1 # selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_SATURATED.sh <6>[ 99.249659] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED <6>[ 99.256845] lkdtm: attempting bad refcount_add_not_zero() from saturated <4>[ 99.263925] ------------[ cut here ]------------ <4>[ 99.268839] WARNING: CPU: 1 PID: 3139 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 <4>[ 99.277592] refcount_t: saturated; leaking memory. <4>[ 99.282694] 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 dw_hdmi_imx dw_hdmi parallel_display caam error imx_ldb imxdrm flexcan can_dev etnaviv gpu_sched imx_ipu_v3 <4>[ 99.312188] CPU: 1 PID: 3139 Comm: cat Tainted: G D W 5.10.206-cip41 #1 <4>[ 99.320203] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 99.327001] Backtrace: <4>[ 99.329737] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 99.337583] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 <4>[ 99.343519] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 99.351110] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 99.358345] r9:00000009 r8:c08754a8 r7:00000013 r6:00000009 r5:c08754a8 r4:c1a29b24 <4>[ 99.366364] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 99.374119] r7:00000013 r6:c1a29b24 r5:c1a29afc r4:c6800000 <4>[ 99.380057] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) <4>[ 99.389290] r9:c1ad5b54 r8:c15ebd0c r7:c6801f60 r6:00000020 r5:c5d4f000 r4:c0000000 <4>[ 99.397316] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) <4>[ 99.408029] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x50/0x88) <4>[ 99.420036] r5:c5d4f000 r4:c6800000 <4>[ 99.423892] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 99.434158] r4:00000039 <4>[ 99.436966] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 99.445253] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 99.453444] r9:c6801f60 r8:c5313cc0 r7:00000020 r6:b6e12000 r5:c5f86c80 r4:c0c57e4c <4>[ 99.461468] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 99.469572] r9:c07e1b5c r8:c6801f60 r7:c2815800 r6:b6e12000 r5:c5f86c80 r4:00000000 <4>[ 99.477590] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 99.484997] r10:00000004 r9:00000000 r8:00000000 r7:b6e12000 r6:c6800000 r5:c5f86c80 <4>[ 99.493094] r4:c5f86c80 <4>[ 99.495901] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 99.503310] r9:c6800000 r8:c03002e4 r7:00000004 r6:b6f59e00 r5:00000020 r4:00000020 <4>[ 99.511328] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 99.519166] Exception stack(0xc6801fa8 to 0xc6801ff0) <4>[ 99.524491] 1fa0: 00000020 00000020 00000001 b6e12000 00000020 00000000 <4>[ 99.532942] 1fc0: 00000020 00000020 b6f59e00 00000004 00000001 00000000 00020000 becdcac4 <4>[ 99.541388] 1fe0: 00000004 becdc7f8 b6ec3d8f b6e4a7e6 <4>[ 99.546780] irq event stamp: 0 <4>[ 99.550146] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 99.556003] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 99.563811] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 99.571618] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 99.577472] ---[ end trace d6e76fda740c8d4d ]--- <6>[ 99.582419] lkdtm: Saturation detected: still saturated # [ 99.249659] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 99.256845] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 99.263925] ------------[ cut here ]------------ # [ 99.268839] WARNING: CPU: 1 PID: 3139 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 99.277592] refcount_t: saturated; leaking memory. # [ 99.282694] 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 dw_hdmi_imx dw_hdmi parallel_display caam error imx_ldb imxdrm flexcan can_dev etnaviv gpu_sched imx_ipu_v3 # [ 99.312188] CPU: 1 PID: 3139 Comm: cat Tainted: G D W 5.10.206-cip41 #1 # [ 99.320203] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 99.327001] Backtrace: # [ 99.329737] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 99.337583] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 99.343519] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 99.351110] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 99.358345] r9:00000009 r8:c08754a8 r7:00000013 r6:00000009 r5:c08754a8 r4:c1a29b24 # [ 99.366364] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 99.374119] r7:00000013 r6:c1a29b24 r5:c1a29afc r4:c6800000 # [ 99.380057] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 99.389290] r9:c1ad5b54 r8:c15ebd0c r7:c6801f60 r6:00000020 r5:c5d4f000 r4:c0000000 # [ 99.397316] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 99.408029] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x50/0x88) # [ 99.420036] r5:c5d4f000 r4:c6800000 # [ 99.423892] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 99.434158] r4:00000039 # [ 99.436966] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 99.445253] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 99.453444] r9:c6801f60 r8:c5313cc0 r7:00000020 r6:b6e12000 r5:c5f86c80 r4:c0c57e4c # [ 99.461468] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 99.469572] r9:c07e1b5c r8:c6801f60 r7:c2815800 r6:b6e12000 r5:c5f86c80 r4:00000000 # [ 99.477590] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 99.484997] r10:00000004 r9:00000000 r8:00000000 r7:b6e12000 r6:c6800000 r5:c5f86c80 # [ 99.493094] r4:c5f86c80 # [ 99.495901] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 99.503310] r9:c6800000 r8:c03002e4 r7:00000004 r6:b6f59e00 r5:00000020 r4:00000020 # [ 99.511328] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 99.519166] Exception stack(0xc6801fa8 to 0xc6801ff0) # [ 99.524491] 1fa0: 00000020 00000020 00000001 b6e12000 00000020 00000000 # [ 99.532942] 1fc0: 00000020 00000020 b6f59e00 00000004 00000001 00000000 00020000 becdcac4 # [ 99.541388] 1fe0: 00000004 becdc7f8 b6ec3d8f b6e4a7e6 # [ 99.546780] irq event stamp: 0 # [ 99.550146] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 99.556003] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 99.563811] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 99.571618] softirqs last disabled at (0): [<00000000>] 0x0 # [ 99.577472] ---[ end trace d6e76fda740c8d4d ]--- # [ 99.582419] lkdtm: Saturation detected: still saturated # REFCOUNT_ADD_NOT_ZERO_SATURATED: missing 'call trace:': [FAIL] not ok 56 selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_SATURATED.sh # exit=1 # selftests: lkdtm: REFCOUNT_DEC_AND_TEST_SATURATED.sh <6>[ 100.198706] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED <6>[ 100.206026] lkdtm: attempting bad refcount_dec_and_test() from saturated <4>[ 100.213115] ------------[ cut here ]------------ <4>[ 100.218063] WARNING: CPU: 1 PID: 3177 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 <4>[ 100.226940] refcount_t: underflow; use-after-free. <4>[ 100.232045] 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 dw_hdmi_imx dw_hdmi parallel_display caam error imx_ldb imxdrm flexcan can_dev etnaviv gpu_sched imx_ipu_v3 <4>[ 100.261529] CPU: 1 PID: 3177 Comm: cat Tainted: G D W 5.10.206-cip41 #1 <4>[ 100.269545] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 100.276342] Backtrace: <4>[ 100.279080] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 100.286924] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 <4>[ 100.292861] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 100.300450] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 100.307686] r9:00000009 r8:c0875544 r7:0000001c r6:00000009 r5:c0875544 r4:c1a29b24 <4>[ 100.315706] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 100.323458] r7:0000001c r6:c1a29b24 r5:c1a29b60 r4:c6a70000 <4>[ 100.329393] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) <4>[ 100.338713] r9:c1ad5b74 r8:c15ebd0c r7:c6a71f60 r6:00000020 r5:c5dd4000 r4:c6a70000 <4>[ 100.346735] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) <4>[ 100.357454] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x50/0x88) <4>[ 100.369468] [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 100.379735] r4:0000003a <4>[ 100.382544] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 100.390827] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 100.399017] r9:c6a71f60 r8:c5313cc0 r7:00000020 r6:b6e0e000 r5:c5b2ef00 r4:c0c57e4c <4>[ 100.407043] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 100.415146] r9:c07e1b5c r8:c6a71f60 r7:c2815800 r6:b6e0e000 r5:c5b2ef00 r4:00000000 <4>[ 100.423163] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 100.430572] r10:00000004 r9:00000000 r8:00000000 r7:b6e0e000 r6:c6a70000 r5:c5b2ef00 <4>[ 100.438669] r4:c5b2ef00 <4>[ 100.441477] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 100.448886] r9:c6a70000 r8:c03002e4 r7:00000004 r6:b6f55e00 r5:00000020 r4:00000020 <4>[ 100.456905] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 100.464744] Exception stack(0xc6a71fa8 to 0xc6a71ff0) <4>[ 100.470068] 1fa0: 00000020 00000020 00000001 b6e0e000 00000020 00000000 <4>[ 100.478519] 1fc0: 00000020 00000020 b6f55e00 00000004 00000001 00000000 00020000 be94aac4 <4>[ 100.486967] 1fe0: 00000004 be94a7f8 b6ebfd8f b6e467e6 <4>[ 100.492375] irq event stamp: 0 <4>[ 100.495718] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 100.501618] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 100.509421] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 100.517182] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 100.523074] ---[ end trace d6e76fda740c8d4e ]--- <6>[ 100.527967] lkdtm: Saturation detected: still saturated # [ 100.198706] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 100.206026] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 100.213115] ------------[ cut here ]------------ # [ 100.218063] WARNING: CPU: 1 PID: 3177 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 100.226940] refcount_t: underflow; use-after-free. # [ 100.232045] 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 dw_hdmi_imx dw_hdmi parallel_display caam error imx_ldb imxdrm flexcan can_dev etnaviv gpu_sched imx_ipu_v3 # [ 100.261529] CPU: 1 PID: 3177 Comm: cat Tainted: G D W 5.10.206-cip41 #1 # [ 100.269545] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 100.276342] Backtrace: # [ 100.279080] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 100.286924] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 100.292861] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 100.300450] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 100.307686] r9:00000009 r8:c0875544 r7:0000001c r6:00000009 r5:c0875544 r4:c1a29b24 # [ 100.315706] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 100.323458] r7:0000001c r6:c1a29b24 r5:c1a29b60 r4:c6a70000 # [ 100.329393] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 100.338713] r9:c1ad5b74 r8:c15ebd0c r7:c6a71f60 r6:00000020 r5:c5dd4000 r4:c6a70000 # [ 100.346735] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 100.357454] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x50/0x88) # [ 100.369468] [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 100.379735] r4:0000003a # [ 100.382544] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 100.390827] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 100.399017] r9:c6a71f60 r8:c5313cc0 r7:00000020 r6:b6e0e000 r5:c5b2ef00 r4:c0c57e4c # [ 100.407043] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 100.415146] r9:c07e1b5c r8:c6a71f60 r7:c2815800 r6:b6e0e000 r5:c5b2ef00 r4:00000000 # [ 100.423163] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 100.430572] r10:00000004 r9:00000000 r8:00000000 r7:b6e0e000 r6:c6a70000 r5:c5b2ef00 # [ 100.438669] r4:c5b2ef00 # [ 100.441477] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 100.448886] r9:c6a70000 r8:c03002e4 r7:00000004 r6:b6f55e00 r5:00000020 r4:00000020 # [ 100.456905] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 100.464744] Exception stack(0xc6a71fa8 to 0xc6a71ff0) # [ 100.470068] 1fa0: 00000020 00000020 00000001 b6e0e000 00000020 00000000 # [ 100.478519] 1fc0: 00000020 00000020 b6f55e00 00000004 00000001 00000000 00020000 be94aac4 # [ 100.486967] 1fe0: 00000004 be94a7f8 b6ebfd8f b6e467e6 # [ 100.492375] irq event stamp: 0 # [ 100.495718] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 100.501618] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 100.509421] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 100.517182] softirqs last disabled at (0): [<00000000>] 0x0 # [ 100.523074] ---[ end trace d6e76fda740c8d4e ]--- # [ 100.527967] lkdtm: Saturation detected: still saturated # REFCOUNT_DEC_AND_TEST_SATURATED: saw 'Saturation detected: still saturated': ok ok 57 selftests: lkdtm: REFCOUNT_DEC_AND_TEST_SATURATED.sh # selftests: lkdtm: REFCOUNT_SUB_AND_TEST_SATURATED.sh <6>[ 101.148111] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED <6>[ 101.155365] lkdtm: attempting bad refcount_sub_and_test() from saturated <4>[ 101.162413] ------------[ cut here ]------------ <4>[ 101.167325] WARNING: CPU: 1 PID: 3213 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 <4>[ 101.176167] refcount_t: underflow; use-after-free. <4>[ 101.181270] 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 dw_hdmi_imx dw_hdmi parallel_display caam error imx_ldb imxdrm flexcan can_dev etnaviv gpu_sched imx_ipu_v3 <4>[ 101.210768] CPU: 1 PID: 3213 Comm: cat Tainted: G D W 5.10.206-cip41 #1 <4>[ 101.218783] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 101.225581] Backtrace: <4>[ 101.228318] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 101.236162] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 <4>[ 101.242100] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 101.249689] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 101.256926] r9:00000009 r8:c0875544 r7:0000001c r6:00000009 r5:c0875544 r4:c1a29b24 <4>[ 101.264944] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 101.272698] r7:0000001c r6:c1a29b24 r5:c1a29b60 r4:c6eee000 <4>[ 101.278635] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) <4>[ 101.287953] r9:c1ad5b94 r8:c15ebd0c r7:c6eeff60 r6:00000020 r5:c5df2000 r4:c6eee000 <4>[ 101.295975] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) <4>[ 101.306693] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x50/0x88) <4>[ 101.318708] [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 101.328975] r4:0000003b <4>[ 101.331783] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 101.340069] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 101.348259] r9:c6eeff60 r8:c5313cc0 r7:00000020 r6:b6e9a000 r5:c68fd680 r4:c0c57e4c <4>[ 101.356284] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 101.364388] r9:c07e1b5c r8:c6eeff60 r7:c2815800 r6:b6e9a000 r5:c68fd680 r4:00000000 <4>[ 101.372405] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 101.379812] r10:00000004 r9:00000000 r8:00000000 r7:b6e9a000 r6:c6eee000 r5:c68fd680 <4>[ 101.387909] r4:c68fd680 <4>[ 101.390716] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 101.398124] r9:c6eee000 r8:c03002e4 r7:00000004 r6:b6fe1e00 r5:00000020 r4:00000020 <4>[ 101.406144] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 101.413983] Exception stack(0xc6eeffa8 to 0xc6eefff0) <4>[ 101.419308] ffa0: 00000020 00000020 00000001 b6e9a000 00000020 00000000 <4>[ 101.427760] ffc0: 00000020 00000020 b6fe1e00 00000004 00000001 00000000 00020000 bed8fac4 <4>[ 101.436207] ffe0: 00000004 bed8f7f8 b6f4bd8f b6ed27e6 <4>[ 101.441599] irq event stamp: 0 <4>[ 101.444940] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 101.450838] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 101.458632] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 101.466452] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 101.472358] ---[ end trace d6e76fda740c8d4f ]--- <6>[ 101.477254] lkdtm: Saturation detected: still saturated # [ 101.148111] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 101.155365] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 101.162413] ------------[ cut here ]------------ # [ 101.167325] WARNING: CPU: 1 PID: 3213 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 101.176167] refcount_t: underflow; use-after-free. # [ 101.181270] 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 dw_hdmi_imx dw_hdmi parallel_display caam error imx_ldb imxdrm flexcan can_dev etnaviv gpu_sched imx_ipu_v3 # [ 101.210768] CPU: 1 PID: 3213 Comm: cat Tainted: G D W 5.10.206-cip41 #1 # [ 101.218783] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 101.225581] Backtrace: # [ 101.228318] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 101.236162] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 101.242100] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 101.249689] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 101.256926] r9:00000009 r8:c0875544 r7:0000001c r6:00000009 r5:c0875544 r4:c1a29b24 # [ 101.264944] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 101.272698] r7:0000001c r6:c1a29b24 r5:c1a29b60 r4:c6eee000 # [ 101.278635] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 101.287953] r9:c1ad5b94 r8:c15ebd0c r7:c6eeff60 r6:00000020 r5:c5df2000 r4:c6eee000 # [ 101.295975] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 101.306693] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x50/0x88) # [ 101.318708] [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 101.328975] r4:0000003b # [ 101.331783] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 101.340069] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 101.348259] r9:c6eeff60 r8:c5313cc0 r7:00000020 r6:b6e9a000 r5:c68fd680 r4:c0c57e4c # [ 101.356284] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 101.364388] r9:c07e1b5c r8:c6eeff60 r7:c2815800 r6:b6e9a000 r5:c68fd680 r4:00000000 # [ 101.372405] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 101.379812] r10:00000004 r9:00000000 r8:00000000 r7:b6e9a000 r6:c6eee000 r5:c68fd680 # [ 101.387909] r4:c68fd680 # [ 101.390716] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 101.398124] r9:c6eee000 r8:c03002e4 r7:00000004 r6:b6fe1e00 r5:00000020 r4:00000020 # [ 101.406144] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 101.413983] Exception stack(0xc6eeffa8 to 0xc6eefff0) # [ 101.419308] ffa0: 00000020 00000020 00000001 b6e9a000 00000020 00000000 # [ 101.427760] ffc0: 00000020 00000020 b6fe1e00 00000004 00000001 00000000 00020000 bed8fac4 # [ 101.436207] ffe0: 00000004 bed8f7f8 b6f4bd8f b6ed27e6 # [ 101.441599] irq event stamp: 0 # [ 101.444940] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 101.450838] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 101.458632] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 101.466452] softirqs last disabled at (0): [<00000000>] 0x0 # [ 101.472358] ---[ end trace d6e76fda740c8d4f ]--- # [ 101.477254] 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>[ 102.508694] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO <6>[ 102.515180] lkdtm: attempting good copy_to_user of correct size <6>[ 102.521579] lkdtm: attempting bad copy_to_user of too large size # [ 102.508694] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 102.515180] lkdtm: attempting good copy_to_user of correct size # [ 102.521579] lkdtm: attempting bad copy_to_user of too large size # USERCOPY_HEAP_SIZE_TO: missing 'call trace:': [FAIL] not ok 61 selftests: lkdtm: USERCOPY_HEAP_SIZE_TO.sh # exit=1 # selftests: lkdtm: USERCOPY_HEAP_SIZE_FROM.sh <6>[ 103.093838] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM <6>[ 103.100456] lkdtm: attempting good copy_from_user of correct size <6>[ 103.106892] lkdtm: attempting bad copy_from_user of too large size # [ 103.093838] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 103.100456] lkdtm: attempting good copy_from_user of correct size # [ 103.106892] 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>[ 103.643852] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO <6>[ 103.650748] lkdtm: attempting good copy_to_user inside whitelist <6>[ 103.657119] lkdtm: attempting bad copy_to_user outside whitelist # [ 103.643852] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 103.650748] lkdtm: attempting good copy_to_user inside whitelist # [ 103.657119] lkdtm: attempting bad copy_to_user outside whitelist # USERCOPY_HEAP_WHITELIST_TO: missing 'call trace:': [FAIL] not ok 63 selftests: lkdtm: USERCOPY_HEAP_WHITELIST_TO.sh # exit=1 # selftests: lkdtm: USERCOPY_HEAP_WHITELIST_FROM.sh <6>[ 104.230008] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM <6>[ 104.236983] lkdtm: attempting good copy_from_user inside whitelist <6>[ 104.243663] lkdtm: attempting bad copy_from_user outside whitelist # [ 104.230008] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 104.236983] lkdtm: attempting good copy_from_user inside whitelist # [ 104.243663] 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>[ 104.807017] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO <6>[ 104.813591] lkdtm: good_stack: c68f3e0c-c68f3e2c <6>[ 104.818484] lkdtm: bad_stack : c68f3d84-c68f3da4 <6>[ 104.823442] lkdtm: attempting good copy_to_user of local stack <6>[ 104.829648] lkdtm: attempting bad copy_to_user of distant stack # [ 104.807017] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 104.813591] lkdtm: good_stack: c68f3e0c-c68f3e2c # [ 104.818484] lkdtm: bad_stack : c68f3d84-c68f3da4 # [ 104.823442] lkdtm: attempting good copy_to_user of local stack # [ 104.829648] 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>[ 105.414615] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM <6>[ 105.421352] lkdtm: good_stack: c5ef7e0c-c5ef7e2c <6>[ 105.426247] lkdtm: bad_stack : c5ef7d84-c5ef7da4 <6>[ 105.431210] lkdtm: attempting good copy_from_user of local stack <6>[ 105.437510] lkdtm: attempting bad copy_from_user of distant stack # [ 105.414615] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 105.421352] lkdtm: good_stack: c5ef7e0c-c5ef7e2c # [ 105.426247] lkdtm: bad_stack : c5ef7d84-c5ef7da4 # [ 105.431210] lkdtm: attempting good copy_from_user of local stack # [ 105.437510] lkdtm: attempting bad copy_from_user of distant stack # USERCOPY_STACK_FRAME_FROM: missing 'call trace:': [FAIL] not ok 66 selftests: lkdtm: USERCOPY_STACK_FRAME_FROM.sh # exit=1 # selftests: lkdtm: USERCOPY_STACK_BEYOND.sh <6>[ 106.024934] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND <6>[ 106.031367] lkdtm: good_stack: c58efe0c-c58efe2c <6>[ 106.036284] lkdtm: bad_stack : c58efffc-c58f001c <6>[ 106.041255] lkdtm: attempting good copy_to_user of local stack <6>[ 106.047405] lkdtm: attempting bad copy_to_user of distant stack # [ 106.024934] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 106.031367] lkdtm: good_stack: c58efe0c-c58efe2c # [ 106.036284] lkdtm: bad_stack : c58efffc-c58f001c # [ 106.041255] lkdtm: attempting good copy_to_user of local stack # [ 106.047405] 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>[ 106.604980] lkdtm: Performing direct entry USERCOPY_KERNEL <6>[ 106.610918] lkdtm: attempting good copy_to_user from kernel rodata: c15ebfb8 <6>[ 106.618334] lkdtm: attempting bad copy_to_user from kernel text: c053daa4 <3>[ 106.625515] lkdtm: FAIL: survived bad copy_to_user() # [ 106.604980] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 106.610918] lkdtm: attempting good copy_to_user from kernel rodata: c15ebfb8 # [ 106.618334] lkdtm: attempting bad copy_to_user from kernel text: c053daa4 # [ 106.625515] lkdtm: FAIL: survived bad copy_to_user() # USERCOPY_KERNEL: missing 'call trace:': [FAIL] not ok 68 selftests: lkdtm: USERCOPY_KERNEL.sh # exit=1 # selftests: lkdtm: STACKLEAK_ERASING.sh <6>[ 107.216295] lkdtm: Performing direct entry STACKLEAK_ERASING <6>[ 107.222390] lkdtm: checking unused part of the thread stack (7732 bytes)... <3>[ 107.229867] lkdtm: FAIL: the erased part is not found (checked 7732 bytes) <3>[ 107.237049] lkdtm: FAIL: the thread stack is NOT properly erased <4>[ 107.243404] CPU: 3 PID: 3589 Comm: cat Tainted: G D W 5.10.206-cip41 #1 <4>[ 107.251418] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 107.258214] Backtrace: <4>[ 107.260954] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 107.268799] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 <4>[ 107.274738] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 107.282330] [] (dump_stack) from [] (lkdtm_STACKLEAK_ERASING+0x148/0x174) <4>[ 107.291129] r9:c1ad5c9c r8:c15ebd0c r7:c6a97f60 r6:c6a97e34 r5:c6a96000 r4:0000078d <4>[ 107.299152] [] (lkdtm_STACKLEAK_ERASING) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 107.308209] r8:c15ebd0c r7:c6a97f60 r6:00000012 r5:c4707000 r4:00000046 <4>[ 107.315184] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 107.323470] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 107.331660] r9:c6a97f60 r8:c5313cc0 r7:00000012 r6:b6dbd000 r5:c69132c0 r4:c0c57e4c <4>[ 107.339684] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 107.347789] r9:c07e1b5c r8:c6a97f60 r7:c2815800 r6:b6dbd000 r5:c69132c0 r4:00000000 <4>[ 107.355806] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 107.363214] r10:00000004 r9:00000000 r8:00000000 r7:b6dbd000 r6:c6a96000 r5:c69132c0 <4>[ 107.371310] r4:c69132c0 <4>[ 107.374119] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 107.381526] r9:c6a96000 r8:c03002e4 r7:00000004 r6:b6f04e00 r5:00000012 r4:00000012 <4>[ 107.389546] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 107.397384] Exception stack(0xc6a97fa8 to 0xc6a97ff0) <4>[ 107.402709] 7fa0: 00000012 00000012 00000001 b6dbd000 00000012 00000000 <4>[ 107.411160] 7fc0: 00000012 00000012 b6f04e00 00000004 00000001 00000000 00020000 becbfac4 <4>[ 107.419608] 7fe0: 00000004 becbf7f8 b6e6ed8f b6df57e6 # [ 107.216295] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 107.222390] lkdtm: checking unused part of the thread stack (7732 bytes)... # [ 107.229867] lkdtm: FAIL: the erased part is not found (checked 7732 bytes) # [ 107.237049] lkdtm: FAIL: the thread stack is NOT properly erased # [ 107.243404] CPU: 3 PID: 3589 Comm: cat Tainted: G D W 5.10.206-cip41 #1 # [ 107.251418] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 107.258214] Backtrace: # [ 107.260954] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 107.268799] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 107.274738] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 107.282330] [] (dump_stack) from [] (lkdtm_STACKLEAK_ERASING+0x148/0x174) # [ 107.291129] r9:c1ad5c9c r8:c15ebd0c r7:c6a97f60 r6:c6a97e34 r5:c6a96000 r4:0000078d # [ 107.299152] [] (lkdtm_STACKLEAK_ERASING) from [] (lkdtm_do_action+0x2c/0x4c) # [ 107.308209] r8:c15ebd0c r7:c6a97f60 r6:00000012 r5:c4707000 r4:00000046 # [ 107.315184] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 107.323470] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 107.331660] r9:c6a97f60 r8:c5313cc0 r7:00000012 r6:b6dbd000 r5:c69132c0 r4:c0c57e4c # [ 107.339684] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 107.347789] r9:c07e1b5c r8:c6a97f60 r7:c2815800 r6:b6dbd000 r5:c69132c0 r4:00000000 # [ 107.355806] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 107.363214] r10:00000004 r9:00000000 r8:00000000 r7:b6dbd000 r6:c6a96000 r5:c69132c0 # [ 107.371310] r4:c69132c0 # [ 107.374119] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 107.381526] r9:c6a96000 r8:c03002e4 r7:00000004 r6:b6f04e00 r5:00000012 r4:00000012 # [ 107.389546] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 107.397384] Exception stack(0xc6a97fa8 to 0xc6a97ff0) # [ 107.402709] 7fa0: 00000012 00000012 00000001 b6dbd000 00000012 00000000 # [ 107.411160] 7fc0: 00000012 00000012 b6f04e00 00000004 00000001 00000000 00020000 becbfac4 # [ 107.419608] 7fe0: 00000004 becbf7f8 b6e6ed8f b6df57e6 # 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>[ 107.995402] lkdtm: Performing direct entry CFI_FORWARD_PROTO <6>[ 108.001399] lkdtm: Calling matched prototype ... <6>[ 108.006292] lkdtm: Calling mismatched prototype ... <6>[ 108.011482] lkdtm: Fail: survived mismatched prototype function call! # [ 107.995402] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 108.001399] lkdtm: Calling matched prototype ... # [ 108.006292] lkdtm: Calling mismatched prototype ... # [ 108.011482] 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 / #