[Enter `^Ec?' for help] U-Boot 2021.10+dfsg-1+apertis10bv2023dev2b2 (Apr 18 2022 - 16:34:49 +0000) CPU: Freescale i.MX6Q rev1.2 at 792 MHz Reset cause: POR Model: Freescale i.MX6 Quad SABRE Lite Board Board: SABRE Lite I2C: ready DRAM: 1 GiB MMC: FSL_SDHC: 0, FSL_SDHC: 1 Loading Environment from SPIFlash... SF: Detected gd25q16 with page size 256 Bytes, erase size 4 KiB, total 2 MiB *** Warning - bad CRC, using default environment In: serial Out: serial Err: serial Net: using phy at 7 FEC [PRIME], usb_ether Error: usb_ether address not set. starting USB... Bus usb@2184000: usb dr_mode not found Bus usb@2184200: USB EHCI 1.00 scanning bus usb@2184000 for devices... 1 USB Device(s) found scanning bus usb@2184200 for devices... 2 USB Device(s) found scanning usb for storage devices... 0 Storage Device(s) found scanning usb for ethernet devices... 0 Ethernet Device(s) found Couldn't find partition mmc 0:1 Error selecting device File System is consistent file found, deleting File System is consistent 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 192.168.201.34 (3 ms) => setenv serverip 192.168.201.1 setenv serverip 192.168.201.1 => tftp 0x10000000 8000355/tftp-deploy-dvx3dram/kernel/zImage tftp 0x10000000 8000355/tftp-deploy-dvx3dram/kernel/zImage Using FEC device TFTP from server 192.168.201.1; our IP address is 192.168.201.34 Filename '8000355/tftp-deploy-dvx3dram/kernel/zImage'. Load address: 0x10000000 Loading: *################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# #### 12.4 MiB/s done Bytes transferred = 12456448 (be1200 hex) => tftp 0x14000000 8000355/tftp-deploy-dvx3dram/ramdisk/ramdisk.cpio.gz.uboot tftp 0x14000000 8000355/tftp-deploy-dvx3dram/ramdisk/ramdisk.cpio.gz.uboot Using FEC device TFTP from server 192.168.201.1; our IP address is 192.168.201.34 Filename '8000355/tftp-deploy-dvx3dram/ramdisk/ramdisk.cpio.gz.uboot'. Load address: 0x14000000 Loading: *################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# 12.2 MiB/s done Bytes transferred = 15265770 (e8efea hex) => setenv initrd_size ${filesize} setenv initrd_size ${filesize} => tftp 0x13f00000 8000355/tftp-deploy-dvx3dram/dtb/imx6q-sabrelite.dtb tftp 0x13f00000 8000355/tftp-deploy-dvx3dram/dtb/imx6q-sabrelite.dtb Using FEC device TFTP from server 192.168.201.1; our IP address is 192.168.201.34 Filename '8000355/tftp-deploy-dvx3dram/dtb/imx6q-sabrelite.dtb'. Load address: 0x13f00000 Loading: *### 4.5 MiB/s done Bytes transferred = 42449 (a5d1 hex) => setenv bootargs 'console=ttymxc1,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/8000355/extract-nfsrootfs-xiqhalw1,tcp,hard ip=dhcp' setenv bootargs 'console=ttymxc1,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/8000355/extract-nfsrootfs-xiqhalw1,tcp,hard ip=dhcp' => bootz 0x10000000 0x14000000 0x13f00000 bootz 0x10000000 0x14000000 0x13f00000 Kernel image @ 0x10000000 [ 0x000000 - 0xbe1200 ] ## Loading init Ramdisk from Legacy Image at 14000000 ... Image Name: Image Type: ARM Linux RAMDisk Image (uncompressed) Data Size: 15265706 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 13f0d5d0 Starting kernel ... [ 0.000000] Booting Linux on physical CPU 0x0 [ 0.000000] Linux version 5.10.155-cip20 (KernelCI@build-j517753-arm-gcc-10-multi-v7-defconfig-kselftest-td97n) (arm-linux-gnueabihf-gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Wed Nov 16 12:58:07 UTC 2022 [ 0.000000] CPU: ARMv7 Processor [412fc09a] revision 10 (ARMv7), cr=10c5387d [ 0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache [ 0.000000] OF: fdt: Machine model: Freescale i.MX6 Quad SABRE Lite Board [ 0.000000] Memory policy: Data cache writealloc [ 0.000000] efi: UEFI not found. [ 0.000000] OF: fdt: Reserved memory: unsupported node format, ignoring [ 0.000000] cma: Reserved 64 MiB at 0x4c000000 [ 0.000000] Zone ranges: [ 0.000000] DMA [mem 0x0000000010000000-0x000000003fffffff] [ 0.000000] Normal empty [ 0.000000] HighMem [mem 0x0000000040000000-0x000000004fffffff] [ 0.000000] Movable zone start for each node [ 0.000000] Early memory node ranges [ 0.000000] node 0: [mem 0x0000000010000000-0x000000004fffffff] [ 0.000000] Initmem setup node 0 [mem 0x0000000010000000-0x000000004fffffff] [ 0.000000] percpu: Embedded 21 pages/cpu s55468 r8192 d22356 u86016 [ 0.000000] Built 1 zonelists, mobility grouping on. Total pages: 260608 [ 0.000000] Kernel command line: console=ttymxc1,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/8000355/extract-nfsrootfs-xiqhalw1,tcp,hard ip=dhcp [ 0.000000] Dentry cache hash table entries: 131072 (order: 7, 524288 bytes, linear) [ 0.000000] Inode-cache hash table entries: 65536 (order: 6, 262144 bytes, linear) [ 0.000000] mem auto-init: stack:off, heap alloc:off, heap free:off [ 0.000000] Memory: 921612K/1048576K available (17408K kernel code, 2654K rwdata, 8120K rodata, 2048K init, 6693K bss, 61428K reserved, 65536K cma-reserved, 196608K highmem) [ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 [ 0.000000] ftrace: allocating 56070 entries in 165 pages [ 0.000000] ftrace: allocated 165 pages with 4 groups [ 0.000000] Running RCU self tests [ 0.000000] rcu: Hierarchical RCU implementation. [ 0.000000] rcu: RCU event tracing is enabled. [ 0.000000] rcu: RCU lockdep checking is enabled. [ 0.000000] rcu: RCU restricting CPUs from NR_CPUS=16 to nr_cpu_ids=4. [ 0.000000] Rude variant of Tasks RCU enabled. [ 0.000000] Tracing variant of Tasks RCU enabled. [ 0.000000] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. [ 0.000000] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4 [ 0.000000] NR_IRQS: 16, nr_irqs: 16, preallocated irqs: 16 [ 0.000000] L2C-310 errata 752271 769419 enabled [ 0.000000] L2C-310 enabling early BRESP for Cortex-A9 [ 0.000000] L2C-310 full line of zeros enabled for Cortex-A9 [ 0.000000] L2C-310 ID prefetch enabled, offset 16 lines [ 0.000000] L2C-310 dynamic clock gating enabled, standby mode enabled [ 0.000000] L2C-310 cache controller enabled, 16 ways, 1024 kB [ 0.000000] L2C-310: CACHE_ID 0x410000c7, AUX_CTRL 0x76470001 [ 0.000000] Switching to timer-based delay loop, resolution 333ns [ 0.000008] sched_clock: 32 bits at 3000kHz, resolution 333ns, wraps every 715827882841ns [ 0.000042] clocksource: mxc_timer1: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 637086815595 ns [ 0.004563] Console: colour dummy device 80x30 [ 0.004627] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 0.004657] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 0.004685] ... MAX_LOCK_DEPTH: 48 [ 0.004711] ... MAX_LOCKDEP_KEYS: 8192 [ 0.004738] ... CLASSHASH_SIZE: 4096 [ 0.004765] ... MAX_LOCKDEP_ENTRIES: 32768 [ 0.004791] ... MAX_LOCKDEP_CHAINS: 65536 [ 0.004819] ... CHAINHASH_SIZE: 32768 [ 0.004845] memory used by lock dependency info: 4061 kB [ 0.004872] memory used for stack traces: 2112 kB [ 0.004898] per task-struct memory footprint: 1536 bytes [ 0.004996] Calibrating delay loop (skipped), value calculated using timer frequency.. 6.00 BogoMIPS (lpj=30000) [ 0.005048] pid_max: default: 32768 minimum: 301 [ 0.005426] LSM: Security Framework initializing [ 0.005542] LSM support for eBPF active [ 0.005686] Mount-cache hash table entries: 2048 (order: 1, 8192 bytes, linear) [ 0.005739] Mountpoint-cache hash table entries: 2048 (order: 1, 8192 bytes, linear) [ 0.008318] CPU: Testing write buffer coherency: ok [ 0.008438] CPU0: Spectre v2: using BPIALL workaround [ 0.009534] CPU0: thread -1, cpu 0, socket 0, mpidr 80000000 [ 0.013480] Setting up static identity map for 0x10300000 - 0x103000ac [ 0.015941] rcu: Hierarchical SRCU implementation. [ 0.025605] EFI services will not be available. [ 0.026931] smp: Bringing up secondary CPUs ... [ 0.030322] CPU1: thread -1, cpu 1, socket 0, mpidr 80000001 [ 0.030338] CPU1: Spectre v2: using BPIALL workaround [ 0.034409] CPU2: thread -1, cpu 2, socket 0, mpidr 80000002 [ 0.034425] CPU2: Spectre v2: using BPIALL workaround [ 0.038140] CPU3: thread -1, cpu 3, socket 0, mpidr 80000003 [ 0.038156] CPU3: Spectre v2: using BPIALL workaround [ 0.039143] smp: Brought up 1 node, 4 CPUs [ 0.039188] SMP: Total of 4 processors activated (24.00 BogoMIPS). [ 0.039224] CPU: All CPU(s) started in SVC mode. [ 0.041867] devtmpfs: initialized [ 0.099432] VFP support v0.3: implementor 41 architecture 3 part 30 variant 9 rev 4 [ 0.102107] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 0.102184] futex hash table entries: 1024 (order: 4, 65536 bytes, linear) [ 0.106965] pinctrl core: initialized pinctrl subsystem [ 0.114035] DMI not present or invalid. [ 0.116347] NET: Registered protocol family 16 [ 0.128475] DMA: preallocated 256 KiB pool for atomic coherent allocations [ 0.138061] thermal_sys: Registered thermal governor 'step_wise' [ 0.138622] cpuidle: using governor menu [ 0.139215] CPU identified as i.MX6Q, silicon rev 1.2 [ 0.908250] vdd1p1: supplied by regulator-dummy [ 0.941140] vdd3p0: supplied by regulator-dummy [ 0.973490] vdd2p5: supplied by regulator-dummy [ 1.005840] vddarm: supplied by regulator-dummy [ 1.039211] vddpu: supplied by regulator-dummy [ 1.070652] vddsoc: supplied by regulator-dummy [ 2.443691] No ATAGs? [ 2.444459] hw-breakpoint: found 5 (+1 reserved) breakpoint and 1 watchpoint registers. [ 2.444541] hw-breakpoint: maximum watchpoint size is 4 bytes. [ 2.464539] imx6q-pinctrl 20e0000.pinctrl: initialized IMX pinctrl driver [ 2.494250] Serial: AMBA PL011 UART driver [ 2.560368] Kprobes globally optimized [ 2.681016] iommu: Default domain type: Translated [ 2.683161] vgaarb: loaded [ 2.688046] SCSI subsystem initialized [ 2.690315] usbcore: registered new interface driver usbfs [ 2.690621] usbcore: registered new interface driver hub [ 2.690859] usbcore: registered new device driver usb [ 2.698659] i2c i2c-0: IMX I2C adapter registered [ 2.705780] i2c i2c-1: IMX I2C adapter registered [ 2.710492] i2c i2c-2: IMX I2C adapter registered [ 2.715134] pps_core: LinuxPPS API ver. 1 registered [ 2.715177] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 2.715282] PTP clock support registered [ 2.733463] clocksource: Switched to clocksource mxc_timer1 [ 4.495564] NET: Registered protocol family 2 [ 4.496390] IP idents hash table entries: 16384 (order: 5, 131072 bytes, linear) [ 4.499819] tcp_listen_portaddr_hash hash table entries: 512 (order: 2, 22528 bytes, linear) [ 4.500002] TCP established hash table entries: 8192 (order: 3, 32768 bytes, linear) [ 4.500238] TCP bind hash table entries: 8192 (order: 6, 327680 bytes, linear) [ 4.501680] TCP: Hash tables configured (established 8192 bind 8192) [ 4.502730] MPTCP token hash table entries: 1024 (order: 3, 49152 bytes, linear) [ 4.503080] UDP hash table entries: 512 (order: 3, 49152 bytes, linear) [ 4.503487] UDP-Lite hash table entries: 512 (order: 3, 49152 bytes, linear) [ 4.504255] NET: Registered protocol family 1 [ 4.507119] RPC: Registered named UNIX socket transport module. [ 4.507212] RPC: Registered udp transport module. [ 4.507252] RPC: Registered tcp transport module. [ 4.507293] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 4.507347] NET: Registered protocol family 44 [ 4.507414] PCI: CLS 0 bytes, default 64 [ 4.509937] Trying to unpack rootfs image as initramfs... [ 6.385363] Freeing initrd memory: 14908K [ 6.386646] hw perfevents: no interrupt-affinity property for /pmu, guessing. [ 6.387807] hw perfevents: enabled with armv7_cortex_a9 PMU driver, 7 counters available [ 6.397065] Initialise system trusted keyrings [ 6.398144] workingset: timestamp_bits=30 max_order=18 bucket_order=0 [ 6.450008] squashfs: version 4.0 (2009/01/31) Phillip Lougher [ 6.454790] NFS: Registering the id_resolver key type [ 6.454974] Key type id_resolver registered [ 6.455069] Key type id_legacy registered [ 6.455739] nfs4filelayout_init: NFSv4 File Layout Driver Registering... [ 6.455846] nfs4flexfilelayout_init: NFSv4 Flexfile Layout Driver Registering... [ 6.456041] ntfs: driver 2.1.32 [Flags: R/O]. [ 6.458310] Key type asymmetric registered [ 6.458440] Asymmetric key parser 'x509' registered [ 6.458876] bounce: pool size: 64 pages [ 6.459039] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 247) [ 6.459142] io scheduler mq-deadline registered [ 6.459185] io scheduler kyber registered [ 6.460124] test_firmware: interface ready [ 6.643013] mxs-dma 110000.dma-apbh: initialized [ 6.709378] imx-sdma 20ec000.sdma: Direct firmware load for imx/sdma/sdma-imx6q.bin failed with error -2 [ 6.709635] imx-sdma 20ec000.sdma: external firmware not found, using ROM firmware [ 6.968778] Serial: 8250/16550 driver, 5 ports, IRQ sharing enabled [ 6.990038] SuperH (H)SCI(F) driver initialized [ 6.993122] 2020000.serial: ttymxc0 at MMIO 0x2020000 (irq = 34, base_baud = 5000000) is a IMX [ 6.998592] 21e8000.serial: ttymxc1 at MMIO 0x21e8000 (irq = 81, base_baud = 5000000) is a IMX [ 7.930754] printk: console [ttymxc1] enabled [ 7.941838] msm_serial: driver initialized [ 7.947168] STMicroelectronics ASC driver initialized [ 7.958928] STM32 USART driver initialized [ 7.985822] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 0 [ 8.008504] panel-simple panel-lcd: supply power not found, using dummy regulator [ 8.017036] panel-simple panel-lcd: Specify missing connector_type [ 8.025024] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 8.080740] brd: module loaded [ 8.144116] loop: module loaded [ 8.150736] lkdtm: No crash points registered, enable through debugfs [ 8.173480] ahci-imx 2200000.sata: fsl,transmit-level-mV not specified, using 00000024 [ 8.181451] ahci-imx 2200000.sata: fsl,transmit-boost-mdB not specified, using 00000480 [ 8.189576] ahci-imx 2200000.sata: fsl,transmit-atten-16ths not specified, using 00002000 [ 8.197866] ahci-imx 2200000.sata: fsl,receive-eq-mdB not specified, using 05000000 [ 8.205954] ahci-imx 2200000.sata: supply ahci not found, using dummy regulator [ 8.214265] ahci-imx 2200000.sata: supply phy not found, using dummy regulator [ 8.222024] ahci-imx 2200000.sata: supply target not found, using dummy regulator [ 8.233558] ahci-imx 2200000.sata: SSS flag set, parallel bus scan disabled [ 8.240586] ahci-imx 2200000.sata: AHCI 0001.0300 32 slots 1 ports 3 Gbps 0x1 impl platform mode [ 8.249492] ahci-imx 2200000.sata: flags: ncq sntf stag pm led clo only pmp pio slum part ccc apst [ 8.264067] scsi host0: ahci-imx [ 8.269733] ata1: SATA max UDMA/133 mmio [mem 0x02200000-0x02203fff] port 0x100 irq 84 [ 8.336839] bgmac_bcma: Broadcom 47xx GBit MAC driver loaded [ 8.350599] pps pps0: new PPS source ptp0 [ 8.398420] fec 2188000.ethernet eth0: registered PHC device 0 [ 8.409262] e1000e: Intel(R) PRO/1000 Network Driver [ 8.414334] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. [ 8.420552] igb: Intel(R) Gigabit Ethernet Network Driver [ 8.426039] igb: Copyright (c) 2007-2014 Intel Corporation. [ 8.454556] pegasus: v0.9.3 (2013/04/25), Pegasus/Pegasus II USB Ethernet driver [ 8.462170] usbcore: registered new interface driver pegasus [ 8.468141] usbcore: registered new interface driver asix [ 8.473780] usbcore: registered new interface driver ax88179_178a [ 8.480049] usbcore: registered new interface driver cdc_ether [ 8.486190] usbcore: registered new interface driver smsc75xx [ 8.492230] usbcore: registered new interface driver smsc95xx [ 8.498217] usbcore: registered new interface driver net1080 [ 8.504125] usbcore: registered new interface driver cdc_subset [ 8.510229] usbcore: registered new interface driver zaurus [ 8.516148] usbcore: registered new interface driver cdc_ncm [ 8.535086] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 8.541728] ehci-pci: EHCI PCI platform driver [ 8.546422] ehci-platform: EHCI generic platform driver [ 8.552797] ehci-orion: EHCI orion driver [ 8.557843] SPEAr-ehci: EHCI SPEAr driver [ 8.562797] ehci-st: EHCI STMicroelectronics driver [ 8.568666] ehci-exynos: EHCI Exynos driver [ 8.573858] ehci-atmel: EHCI Atmel driver [ 8.578778] tegra-ehci: Tegra EHCI driver [ 8.583802] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 8.590087] ohci-pci: OHCI PCI platform driver [ 8.594783] ohci-platform: OHCI generic platform driver [ 8.601027] SPEAr-ohci: OHCI SPEAr driver [ 8.606020] ohci-st: OHCI STMicroelectronics driver [ 8.611818] ohci-atmel: OHCI Atmel driver [ 8.616203] ata1: SATA link down (SStatus 0 SControl 300) [ 8.619542] usbcore: registered new interface driver usb-storage [ 8.621999] ahci-imx 2200000.sata: no device found, disabling link. [ 8.634141] ahci-imx 2200000.sata: pass ahci_imx..hotplug=1 to enable hotplug [ 8.661846] i2c /dev entries driver [ 8.751336] sdhci: Secure Digital Host Controller Interface driver [ 8.757630] sdhci: Copyright(c) Pierre Ossman [ 8.771939] Synopsys Designware Multimedia Card Interface Driver [ 8.785747] sdhci-pltfm: SDHCI platform and OF driver helper [ 8.795296] sdhci-esdhc-imx 219c000.mmc: Got CD GPIO [ 8.795303] sdhci-esdhc-imx 2198000.mmc: Got CD GPIO [ 8.805621] sdhci-esdhc-imx 2198000.mmc: Got WP GPIO [ 8.812324] ledtrig-cpu: registered to indicate activity on CPUs [ 8.822398] usbcore: registered new interface driver usbhid [ 8.828092] usbhid: USB HID core driver [ 8.849498] mmc3: SDHCI controller on 219c000.mmc [219c000.mmc] using ADMA [ 8.857165] mmc2: SDHCI controller on 2198000.mmc [2198000.mmc] using ADMA [ 8.857516] netem: version 1.3 [ 8.867566] ipip: IPv4 and MPLS over IPv4 tunneling driver [ 8.875863] gre: GRE over IPv4 demultiplexor driver [ 8.880782] ip_gre: GRE over IPv4 tunneling driver [ 8.891770] IPv4 over IPsec tunneling driver [ 8.901338] NET: Registered protocol family 10 [ 8.912819] Segment Routing with IPv6 [ 8.923478] ip6_gre: GRE over IPv6 tunneling driver [ 8.931446] NET: Registered protocol family 17 [ 8.937696] 8021q: 802.1Q VLAN Support v1.8 [ 8.942909] Key type dns_resolver registered [ 8.963336] ThumbEE CPU extension supported. [ 8.967682] Registering SWP/SWPB emulation handler [ 8.976729] Loading compiled-in X.509 certificates [ 9.168229] panel-simple panel-lcd: supply power not found, using dummy regulator [ 9.176778] panel-simple panel-lcd: Specify missing connector_type [ 9.184617] mmc2: new high speed SDHC card at address 59b4 [ 9.190447] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 9.193833] mmcblk2: mmc2:59b4 SD 14.7 GiB [ 9.225597] GPT:Primary header thinks Alt. header is not at the end of the disk. [ 9.233293] GPT:29296874 != 30863359 [ 9.235952] imx_usb 2184200.usb: No over current polarity defined [ 9.236902] GPT:Alternate GPT header not at the end of the disk. [ 9.249263] GPT:29296874 != 30863359 [ 9.252923] GPT: Use GNU Parted to correct GPT errors. [ 9.255846] ci_hdrc ci_hdrc.1: EHCI Host Controller [ 9.258189] mmcblk2: p1 p2 p3 [ 9.263392] ci_hdrc ci_hdrc.1: new USB bus registered, assigned bus number 1 [ 9.303628] ci_hdrc ci_hdrc.1: USB 2.0 started, EHCI 1.00 [ 9.319677] hub 1-0:1.0: USB hub found [ 9.324128] hub 1-0:1.0: 1 port detected [ 9.342459] imx_thermal 20c8000.anatop:tempmon: Automotive CPU temperature grade - max:125C critical:120C passive:115C [ 9.376447] panel-simple panel-lcd: supply power not found, using dummy regulator [ 9.384804] panel-simple panel-lcd: Specify missing connector_type [ 9.398273] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 9.429854] panel-simple panel-lcd: supply power not found, using dummy regulator [ 9.438389] panel-simple panel-lcd: Specify missing connector_type [ 9.451892] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 9.470344] input: gpio-keys as /devices/platform/gpio-keys/input/input0 [ 9.503110] panel-simple panel-lcd: supply power not found, using dummy regulator [ 9.511578] panel-simple panel-lcd: Specify missing connector_type [ 9.525588] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 9.548153] Micrel KSZ9021 Gigabit PHY 2188000.ethernet-1:07: attached PHY driver [Micrel KSZ9021 Gigabit PHY] (mii_bus:phy_addr=2188000.ethernet-1:07, irq=POLL) [ 9.563635] IP-Config: Failed to open gretap0 [ 9.568036] IP-Config: Failed to open erspan0 [ 9.593270] Sending DHCP requests . [ 9.723547] usb 1-1: new high-speed USB device number 2 using ci_hdrc [ 9.943172] hub 1-1:1.0: USB hub found [ 9.948054] hub 1-1:1.0: 3 ports detected [ 9.980197] panel-simple panel-lcd: supply power not found, using dummy regulator [ 9.988587] panel-simple panel-lcd: Specify missing connector_type [ 10.002237] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 11.783517] . [ 12.714932] fec 2188000.ethernet eth0: Link is Up - 1Gbps/Full - flow control off [ 12.725085] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready [ 15.623663] ., OK [ 15.666101] IP-Config: Got DHCP answer from 192.168.201.1, my address is 192.168.201.34 [ 15.674358] IP-Config: Complete: [ 15.677675] device=eth0, hwaddr=00:19:b8:08:f1:10, ipaddr=192.168.201.34, mask=255.255.255.0, gw=192.168.201.1 [ 15.688465] host=imx6q-sabrelite-lava-cbg-4, domain=lava-rack, nis-domain=(none) [ 15.696478] bootserver=192.168.201.1, rootserver=192.168.201.1, rootpath= [ 15.696526] nameserver0=192.168.201.1 [ 15.768082] Freeing unused kernel memory: 2048K [ 15.774333] Run /init as init process Loading, please wait... Starting version 247.3-7+deb11u1 [ 19.950967] imx-ipuv3 2400000.ipu: IPUv3H probed [ 19.978943] panel-simple panel-lcd: supply power not found, using dummy regulator [ 19.988322] panel-simple panel-lcd: Specify missing connector_type [ 20.005965] imx-ipuv3 2800000.ipu: IPUv3H probed [ 20.019132] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 20.072474] panel-simple panel-lcd: supply power not found, using dummy regulator [ 20.089491] CAN device driver interface [ 20.101436] panel-simple panel-lcd: Specify missing connector_type [ 20.138386] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 20.216245] panel-simple panel-lcd: supply power not found, using dummy regulator [ 20.229906] panel-simple panel-lcd: Specify missing connector_type [ 20.261074] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 20.263947] caam 2100000.crypto: Entropy delay = 3200 [ 20.334818] caam 2100000.crypto: Instantiated RNG4 SH0 [ 20.395584] caam 2100000.crypto: Instantiated RNG4 SH1 [ 20.400795] caam 2100000.crypto: device ID = 0x0a16010000000000 (Era 4) [ 20.407554] caam 2100000.crypto: job rings = 2, qi = 0 [ 20.419908] panel-simple panel-lcd: supply power not found, using dummy regulator [ 20.427269] usb_phy_generic usbphynop1: supply vcc not found, using dummy regulator [ 20.428388] panel-simple panel-lcd: Specify missing connector_type [ 20.437281] usb_phy_generic usbphynop1: dummy supplies not allowed for exclusive requests [ 20.451909] usb_phy_generic usbphynop2: supply vcc not found, using dummy regulator [ 20.452441] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 20.460721] usb_phy_generic usbphynop2: dummy supplies not allowed for exclusive requests [ 20.465390] sgtl5000 0-000a: sgtl5000 revision 0x11 [ 20.476643] sgtl5000 0-000a: Using internal LDO instead of VDDD: check ER1 erratum [ 20.492325] panel-simple panel-lcd: supply power not found, using dummy regulator [ 20.501191] panel-simple panel-lcd: Specify missing connector_type [ 20.515322] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 20.548944] panel-simple panel-lcd: supply power not found, using dummy regulator [ 20.557395] panel-simple panel-lcd: Specify missing connector_type [ 20.571706] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 20.605107] panel-simple panel-lcd: supply power not found, using dummy regulator [ 20.613871] panel-simple panel-lcd: Specify missing connector_type [ 20.638302] etnaviv etnaviv: bound 130000.gpu (ops gpu_ops [etnaviv]) [ 20.646891] etnaviv etnaviv: bound 134000.gpu (ops gpu_ops [etnaviv]) [ 20.669102] etnaviv etnaviv: bound 2204000.gpu (ops gpu_ops [etnaviv]) [ 20.676006] etnaviv-gpu 130000.gpu: model: GC2000, revision: 5108 [ 20.697129] etnaviv-gpu 134000.gpu: model: GC320, revision: 5007 [ 20.703732] etnaviv-gpu 2204000.gpu: model: GC355, revision: 1215 [ 20.709949] etnaviv-gpu 2204000.gpu: Ignoring GPU with VG and FE2.0 [ 20.719856] [drm] Initialized etnaviv 1.3.0 20151214 for etnaviv on minor 1 [ 20.733594] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 20.738410] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) [ 20.750134] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) [ 20.759087] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) [ 20.768206] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) [ 20.794515] panel-simple panel-lcd: supply power not found, using dummy regulator [ 20.802896] panel-simple panel-lcd: Specify missing connector_type [ 20.830804] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 20.884949] panel-simple panel-lcd: supply power not found, using dummy regulator [ 20.893419] panel-simple panel-lcd: Specify missing connector_type [ 20.919077] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) [ 20.927776] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) [ 20.936390] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) [ 20.944892] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) [ 21.603635] caam algorithms registered in /proc/crypto [ 21.614653] caam 2100000.crypto: registering rng-caam [ 21.743506] random: crng init done [ 21.751697] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 21.785962] panel-simple panel-lcd: supply power not found, using dummy regulator [ 21.794391] panel-simple panel-lcd: Specify missing connector_type [ 21.813733] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) [ 21.822178] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) [ 21.830823] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) [ 21.839268] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) [ 21.856453] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 21.890253] panel-simple panel-lcd: supply power not found, using dummy regulator [ 21.898691] panel-simple panel-lcd: Specify missing connector_type [ 21.917687] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) [ 21.926193] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) [ 21.934774] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) [ 21.943215] 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 ... done. IP-Config: erspan0 hardware address 00:00:00:00:00:00 mtu 1450 DHCP SIOCSIFFLAGS: Cannot assign requested address IP-Config: eth0 hardware address 00:19:b8:08:f1:10 mtu 1500 DHCP IP-Config: gretap0 hardware address 00:00:00:00:00:00 mtu 1462 DHCP SIOCSIFFLAGS: Cannot assign requested address IP-Config: eth0 complete (dhcp from 192.168.201.1): address: 192.168.201.34 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-4 domain : lava-rack rootserver: 192.168.201.1 rootpath: filename : done. Begin: Running /scripts/nfs-bottom ... done. Begin: Running /scripts/init-bottom ... done. [ 24.433926] systemd[1]: System time before build time, advancing clock. [ 24.669226] systemd[1]: systemd 247.3-7+deb11u1 running in system mode. (+PAM +AUDIT +SELINUX +IMA +APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL +XZ +LZ4 +ZSTD +SECCOMP +BLKID +ELFUTILS +KMOD +IDN2 -IDN +PCRE2 default-hierarchy=unified) [ 24.699063] systemd[1]: Detected architecture arm. Welcome to Debian GNU/Linux 11 (bullseye)! [ 24.770702] systemd[1]: Set hostname to . [ 26.434038] systemd[1]: Queued start job for default target Graphical Interface. [ 26.447828] systemd[1]: Created slice system-getty.slice. [ OK ] Created slice system-getty.slice. [ 26.490047] systemd[1]: Created slice system-modprobe.slice. [ OK ] Created slice system-modprobe.slice. [ 26.538408] systemd[1]: Created slice system-serial\x2dgetty.slice. [ OK ] Created slice system-serial\x2dgetty.slice. [ 26.587819] systemd[1]: Created slice User and Session Slice. [ OK ] Created slice User and Session Slice. [ 26.638131] systemd[1]: Started Dispatch Password Requests to Console Directory Watch. [ OK ] Started Dispatch Password …ts to Console Directory Watch. [ 26.687263] systemd[1]: Started Forward Password Requests to Wall Directory Watch. [ OK ] Started Forward Password R…uests to Wall Directory Watch. [ 26.735080] systemd[1]: Condition check resulted in Arbitrary Executable File Formats File System Automount Point being skipped. [ 26.747425] systemd[1]: Reached target Local Encrypted Volumes. [ OK ] Reached target Local Encrypted Volumes. [ 26.784129] systemd[1]: Reached target Paths. [ OK ] Reached target Paths. [ 26.824503] systemd[1]: Reached target Remote File Systems. [ OK ] Reached target Remote File Systems. [ 26.864395] systemd[1]: Reached target Slices. [ OK ] Reached target Slices. [ 26.905551] systemd[1]: Reached target Swap. [ OK ] Reached target Swap. [ 26.948935] systemd[1]: Listening on initctl Compatibility Named Pipe. [ OK ] Listening on initctl Compatibility Named Pipe. [ 27.056895] systemd[1]: Condition check resulted in Journal Audit Socket being skipped. [ 27.070395] systemd[1]: Listening on Journal Socket (/dev/log). [ OK ] Listening on Journal Socket (/dev/log). [ 27.120375] systemd[1]: Listening on Journal Socket. [ OK ] Listening on Journal Socket. [ 27.171124] systemd[1]: Listening on Network Service Netlink Socket. [ OK ] Listening on Network Service Netlink Socket. [ 27.225504] systemd[1]: Listening on udev Control Socket. [ OK ] Listening on udev Control Socket. [ 27.266380] systemd[1]: Listening on udev Kernel Socket. [ OK ] Listening on udev Kernel Socket. [ 27.308155] systemd[1]: Condition check resulted in Huge Pages File System being skipped. [ 27.319437] systemd[1]: Condition check resulted in POSIX Message Queue File System being skipped. [ 27.342694] systemd[1]: Mounting Kernel Debug File System... Mounting Kernel Debug File System... [ 27.400340] systemd[1]: Mounting Kernel Trace File System... Mounting Kernel Trace File System... [ 27.474175] systemd[1]: Starting Create list of static device nodes for the current kernel... Starting Create list of st…odes for the current kernel... [ 27.527327] systemd[1]: Starting Load Kernel Module configfs... Starting Load Kernel Module configfs... [ 27.576122] systemd[1]: Starting Load Kernel Module drm... Starting Load Kernel Module drm... [ 27.623825] systemd[1]: Starting Load Kernel Module fuse... Starting Load Kernel Module fuse... [ 27.690490] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped. [ 27.710655] fuse: init (API version 7.32) [ 27.726075] systemd[1]: Starting Journal Service... Starting Journal Service... [ 27.800287] systemd[1]: Starting Load Kernel Modules... Starting Load Kernel Modules... [ 27.861116] systemd[1]: Starting Remount Root and Kernel File Systems... Starting Remount Root and Kernel File Systems... [ 27.892423] systemd[1]: Starting Coldplug All udev Devices... Starting Coldplug All udev Devices... [ 27.952357] systemd[1]: Mounted Kernel Debug File System. [ OK ] Mounted Kernel Debug File System. [ 28.006501] systemd[1]: Mounted Kernel Trace File System. [ OK ] Mounted Kernel Trace File System. [ 28.061901] systemd[1]: Finished Create list of static device nodes for the current kernel. [ OK ] Finished Create list of st… nodes for the current kernel. [ 28.158457] systemd[1]: modprobe@configfs.service: Succeeded. [ 28.169126] systemd[1]: Finished Load Kernel Module configfs. [ OK ] Finished Load Kernel Module configfs. [ 28.219318] systemd[1]: modprobe@drm.service: Succeeded. [ 28.229611] systemd[1]: Finished Load Kernel Module drm. [ OK ] Finished Load Kernel Module drm. [ 28.269867] systemd[1]: modprobe@fuse.service: Succeeded. [ 28.280720] systemd[1]: Finished Load Kernel Module fuse. [ OK ] Finished Load Kernel Module fuse. [ 28.339885] systemd[1]: Finished Load Kernel Modules. [ OK ] Finished Load Kernel Modules. [ 28.379082] systemd[1]: Finished Remount Root and Kernel File Systems. [ OK ] Finished Remount Root and Kernel File Systems. [ 28.435968] systemd[1]: Mounting FUSE Control File System... Mounting FUSE Control File System... [ 28.493413] systemd[1]: Mounting Kernel Configuration File System... Mounting Kernel Configuration File System... [ 28.552987] systemd[1]: Condition check resulted in Rebuild Hardware Database being skipped. [ 28.562675] systemd[1]: Condition check resulted in Platform Persistent Storage Archival being skipped. [ 28.581663] systemd[1]: Starting Load/Save Random Seed... Starting Load/Save Random Seed... [ 28.623544] systemd[1]: Starting Apply Kernel Variables... Starting Apply Kernel Variables... [ 28.684859] systemd[1]: Starting Create System Users... Starting Create System Users... [ 28.732146] 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... [ 29.159128] systemd-journald[286]: Received client request to flush runtime journal. [ OK ] Finished Create Static Device Nodes in /dev. [ OK ] Reached target Local File Systems (Pre). [ OK ] Reached target Local File Systems. Starting Rule-based Manage…for Device Events and Files... [ OK ] Finished Flush Journal to Persistent Storage. Starting Create Volatile Files and Directories... [ OK ] Started Rule-based Manager for Device Events and Files. Starting Network Service... [ OK ] 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 ] Finished Coldplug All udev Devices. [ OK ] Reached target System Initialization. [ OK ] Started Daily apt download activities. [ OK ] Started Daily apt upgrade and clean activities. [ OK ] Started Periodic ext4 Onli…ata Check for All Filesystems. [ OK ] Started Discard unused blocks once a week. [ OK ] Started Daily Cleanup of Temporary Directories. [ OK ] Reached target Timers. [ OK ] Listening on D-Bus System Message Bus Socket. [ OK ] Reached target Sockets. [ OK ] Reached target Basic System. [ OK ] Started D-Bus System Message Bus. Starting Remove Stale Onli…t4 Metadata Check Snapshots... Starting User Login Management... Starting Permit User Sessions... [ OK ] Found device /dev/ttymxc1. [ OK ] Finished Permit User Sessions. [ OK ] Finished Remove Stale Onli…ext4 Metadata Check Snapshots. [ OK ] Started User Login Management. [ OK ] Reached target Hardware activated USB gadget. [ OK ] Listening on Load/Save RF …itch Status /dev/rfkill Watch. [ OK ] Started Getty on tty1. [ OK ] Started Serial Getty on ttymxc1. [ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] 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 5.10.155-cip20 #1 SMP Wed Nov 16 12:58:07 UTC 2022 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/8000355/extract-nfsrootfs-xiqhalw1' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/8000355/extract-nfsrootfs-xiqhalw1' / #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-8000355/environment . /lava-8000355/environment / # /lava-8000355/bin/lava-test-runner /lava-8000355/0 /lava-8000355/bin/lava-test-runner /lava-8000355/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-8000355/0/tests/0_timesync-off ++ cat uuid + UUID=8000355_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-8000355/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=8000355_1.6.2.4.5 + set +x + cd ./automated/linux/kselftest/ + ./kselftest.sh -c lkdtm -T '' -t kselftest_armhf.tar.gz -s false -u http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.154-cip20-99-g0e320e4d37e4/arm/multi_v7_defconfig+kselftest/gcc-10/kselftest.tar.xz -L '' -S skipfile-lkft.yaml -b imx6q-sabrelite -g cip-gitlab -e '' -p /opt/kselftests/mainline/ -n 1 -i 1 INFO: Generating a skipfile based on /lava-8000355/0/tests/1_kselftest-lkdtm/automated/linux/kselftest/skipfile-lkft.yaml INFO: Using the following generated skipfile contents (until EOF): breakpoints:breakpoint_test breakpoints:step_after_suspend_test ftrace:ftracetest net:rtnetlink.sh net:tls netfilter:bridge_brouter.sh netfilter:nft_flowtable.sh netfilter:nft_trans_stress.sh pidfd:pidfd_wait INFO: EOF INFO: Installing sed perl wget xz-utils iproute2 Hit:1 http://deb.debian.org/debian bullseye InRelease Reading package lists... Reading package lists... Building dependency tree... Reading state information... iproute2 is already the newest version (5.10.0-4). perl is already the newest version (5.32.1-4+deb11u2). sed is already the newest version (4.7-1). wget is already the newest version (1.21-1+deb11u1). xz-utils is already the newest version (5.2.5-2.1~deb11u1). 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded. --2022-11-16 13:19:04-- http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.154-cip20-99-g0e320e4d37e4/arm/multi_v7_defconfig+kselftest/gcc-10/kselftest.tar.xz Resolving storage.kernelci.org (storage.kernelci.org)... 52.250.1.28 Connecting to storage.kernelci.org (storage.kernelci.org)|52.250.1.28|:80... connected. HTTP request sent, awaiting response... 200 OK Length: 1408572 (1.3M) [application/octet-stream] Saving to: 'kselftest.tar.xz' kselftest.tar.xz 0%[ ] 0 --.-KB/s kselftest.tar.xz 1%[ ] 25.18K 88.4KB/s kselftest.tar.xz 6%[> ] 90.23K 158KB/s kselftest.tar.xz 11%[=> ] 151.96K 176KB/s kselftest.tar.xz 15%[==> ] 213.25K 185KB/s kselftest.tar.xz 19%[==> ] 265.57K 184KB/s kselftest.tar.xz 22%[===> ] 303.27K 175KB/s kselftest.tar.xz 24%[===> ] 334.86K 166KB/s kselftest.tar.xz 26%[====> ] 360.32K 156KB/s kselftest.tar.xz 28%[====> ] 387.18K 149KB/s kselftest.tar.xz 30%[=====> ] 416.88K 147KB/s kselftest.tar.xz 32%[=====> ] 449.40K 148KB/s eta 6s kselftest.tar.xz 34%[=====> ] 470.61K 144KB/s eta 6s kselftest.tar.xz 36%[======> ] 501.72K 143KB/s eta 6s kselftest.tar.xz 38%[======> ] 528.59K 141KB/s eta 6s kselftest.tar.xz 40%[=======> ] 556.87K 139KB/s eta 6s kselftest.tar.xz 42%[=======> ] 579.50K 138KB/s eta 6s kselftest.tar.xz 43%[=======> ] 597.88K 135KB/s eta 6s kselftest.tar.xz 44%[=======> ] 618.60K 131KB/s eta 6s kselftest.tar.xz 46%[========> ] 643.13K 131KB/s eta 6s kselftest.tar.xz 48%[========> ] 668.58K 132KB/s eta 6s kselftest.tar.xz 49%[========> ] 686.96K 125KB/s eta 5s kselftest.tar.xz 51%[=========> ] 709.59K 118KB/s eta 5s kselftest.tar.xz 53%[=========> ] 729.39K 111KB/s eta 5s kselftest.tar.xz 54%[=========> ] 754.84K 105KB/s eta 5s kselftest.tar.xz 56%[==========> ] 779.81K 104KB/s eta 5s kselftest.tar.xz 58%[==========> ] 798.67K 103KB/s eta 5s kselftest.tar.xz 59%[==========> ] 824.13K 104KB/s eta 5s kselftest.tar.xz 60%[===========> ] 832.13K 101KB/s eta 5s kselftest.tar.xz 62%[===========> ] 856.65K 100KB/s eta 5s kselftest.tar.xz 64%[===========> ] 883.03K 98.8KB/s eta 5s kselftest.tar.xz 65%[============> ] 904.25K 95.6KB/s eta 4s kselftest.tar.xz 67%[============> ] 929.70K 94.7KB/s eta 4s kselftest.tar.xz 69%[============> ] 957.05K 93.5KB/s eta 4s kselftest.tar.xz 70%[=============> ] 975.43K 92.3KB/s eta 4s kselftest.tar.xz 72%[=============> ] 992.40K 87.8KB/s eta 3s kselftest.tar.xz 73%[=============> ] 1015K 87.7KB/s eta 3s kselftest.tar.xz 75%[==============> ] 1.01M 84.7KB/s eta 3s kselftest.tar.xz 76%[==============> ] 1.03M 84.2KB/s eta 3s kselftest.tar.xz 78%[==============> ] 1.05M 82.9KB/s eta 3s kselftest.tar.xz 79%[==============> ] 1.07M 81.9KB/s eta 3s kselftest.tar.xz 81%[===============> ] 1.09M 79.8KB/s eta 3s kselftest.tar.xz 82%[===============> ] 1.11M 79.9KB/s eta 3s kselftest.tar.xz 84%[===============> ] 1.13M 76.8KB/s eta 2s kselftest.tar.xz 86%[================> ] 1.16M 79.1KB/s eta 2s kselftest.tar.xz 87%[================> ] 1.17M 77.4KB/s eta 2s kselftest.tar.xz 89%[================> ] 1.20M 78.5KB/s eta 2s kselftest.tar.xz 90%[=================> ] 1.21M 76.6KB/s eta 1s kselftest.tar.xz 91%[=================> ] 1.23M 74.6KB/s eta 1s kselftest.tar.xz 92%[=================> ] 1.25M 75.1KB/s eta 1s kselftest.tar.xz 94%[=================> ] 1.27M 75.1KB/s eta 1s kselftest.tar.xz 95%[==================> ] 1.29M 75.6KB/s eta 1s kselftest.tar.xz 97%[==================> ] 1.31M 78.7KB/s eta 0s kselftest.tar.xz 98%[==================> ] 1.33M 78.8KB/s eta 0s kselftest.tar.xz 100%[===================>] 1.34M 82.7KB/s in 14s 2022-11-16 13:19:18 (100 KB/s) - 'kselftest.tar.xz' saved [1408572/1408572] skiplist: ======================================== breakpoints:breakpoint_test breakpoints:step_after_suspend_test ftrace:ftracetest net:rtnetlink.sh net:tls netfilter:bridge_brouter.sh netfilter:nft_flowtable.sh netfilter:nft_trans_stress.sh pidfd:pidfd_wait ======================================== lkdtm:PANIC.sh lkdtm:BUG.sh lkdtm:WARNING.sh lkdtm:WARNING_MESSAGE.sh lkdtm:EXCEPTION.sh lkdtm:LOOP.sh lkdtm:EXHAUST_STACK.sh lkdtm:CORRUPT_STACK.sh lkdtm:CORRUPT_STACK_STRONG.sh lkdtm:CORRUPT_LIST_ADD.sh lkdtm:CORRUPT_LIST_DEL.sh lkdtm:STACK_GUARD_PAGE_LEADING.sh lkdtm:STACK_GUARD_PAGE_TRAILING.sh lkdtm:UNSET_SMEP.sh lkdtm:DOUBLE_FAULT.sh lkdtm:CORRUPT_PAC.sh lkdtm:UNALIGNED_LOAD_STORE_WRITE.sh lkdtm:OVERWRITE_ALLOCATION.sh lkdtm:WRITE_AFTER_FREE.sh lkdtm:READ_AFTER_FREE.sh lkdtm:WRITE_BUDDY_AFTER_FREE.sh lkdtm:READ_BUDDY_AFTER_FREE.sh lkdtm:SLAB_FREE_DOUBLE.sh lkdtm:SLAB_FREE_CROSS.sh lkdtm:SLAB_FREE_PAGE.sh lkdtm:SOFTLOCKUP.sh lkdtm:HARDLOCKUP.sh lkdtm:SPINLOCKUP.sh lkdtm:HUNG_TASK.sh lkdtm:EXEC_DATA.sh lkdtm:EXEC_STACK.sh lkdtm:EXEC_KMALLOC.sh lkdtm:EXEC_VMALLOC.sh lkdtm:EXEC_RODATA.sh lkdtm:EXEC_USERSPACE.sh lkdtm:EXEC_NULL.sh lkdtm:ACCESS_USERSPACE.sh lkdtm:ACCESS_NULL.sh lkdtm:WRITE_RO.sh lkdtm:WRITE_RO_AFTER_INIT.sh lkdtm:WRITE_KERN.sh lkdtm:REFCOUNT_INC_OVERFLOW.sh lkdtm:REFCOUNT_ADD_OVERFLOW.sh lkdtm:REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_DEC_ZERO.sh lkdtm:REFCOUNT_DEC_NEGATIVE.sh lkdtm:REFCOUNT_DEC_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_SUB_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_INC_ZERO.sh lkdtm:REFCOUNT_ADD_ZERO.sh lkdtm:REFCOUNT_INC_SATURATED.sh lkdtm:REFCOUNT_DEC_SATURATED.sh lkdtm:REFCOUNT_ADD_SATURATED.sh lkdtm:REFCOUNT_INC_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_DEC_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_SUB_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_TIMING.sh lkdtm:ATOMIC_TIMING.sh lkdtm:USERCOPY_HEAP_SIZE_TO.sh lkdtm:USERCOPY_HEAP_SIZE_FROM.sh lkdtm:USERCOPY_HEAP_WHITELIST_TO.sh lkdtm:USERCOPY_HEAP_WHITELIST_FROM.sh lkdtm:USERCOPY_STACK_FRAME_TO.sh lkdtm:USERCOPY_STACK_FRAME_FROM.sh lkdtm:USERCOPY_STACK_BEYOND.sh lkdtm:USERCOPY_KERNEL.sh lkdtm:STACKLEAK_ERASING.sh lkdtm:CFI_FORWARD_PROTO.sh ============== Tests to run =============== lkdtm:PANIC.sh lkdtm:BUG.sh lkdtm:WARNING.sh lkdtm:WARNING_MESSAGE.sh lkdtm:EXCEPTION.sh lkdtm:LOOP.sh lkdtm:EXHAUST_STACK.sh lkdtm:CORRUPT_STACK.sh lkdtm:CORRUPT_STACK_STRONG.sh lkdtm:CORRUPT_LIST_ADD.sh lkdtm:CORRUPT_LIST_DEL.sh lkdtm:STACK_GUARD_PAGE_LEADING.sh lkdtm:STACK_GUARD_PAGE_TRAILING.sh lkdtm:UNSET_SMEP.sh lkdtm:DOUBLE_FAULT.sh lkdtm:CORRUPT_PAC.sh lkdtm:UNALIGNED_LOAD_STORE_WRITE.sh lkdtm:OVERWRITE_ALLOCATION.sh lkdtm:WRITE_AFTER_FREE.sh lkdtm:READ_AFTER_FREE.sh lkdtm:WRITE_BUDDY_AFTER_FREE.sh lkdtm:READ_BUDDY_AFTER_FREE.sh lkdtm:SLAB_FREE_DOUBLE.sh lkdtm:SLAB_FREE_CROSS.sh lkdtm:SLAB_FREE_PAGE.sh lkdtm:SOFTLOCKUP.sh lkdtm:HARDLOCKUP.sh lkdtm:SPINLOCKUP.sh lkdtm:HUNG_TASK.sh lkdtm:EXEC_DATA.sh lkdtm:EXEC_STACK.sh lkdtm:EXEC_KMALLOC.sh lkdtm:EXEC_VMALLOC.sh lkdtm:EXEC_RODATA.sh lkdtm:EXEC_USERSPACE.sh lkdtm:EXEC_NULL.sh lkdtm:ACCESS_USERSPACE.sh lkdtm:ACCESS_NULL.sh lkdtm:WRITE_RO.sh lkdtm:WRITE_RO_AFTER_INIT.sh lkdtm:WRITE_KERN.sh lkdtm:REFCOUNT_INC_OVERFLOW.sh lkdtm:REFCOUNT_ADD_OVERFLOW.sh lkdtm:REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_DEC_ZERO.sh lkdtm:REFCOUNT_DEC_NEGATIVE.sh lkdtm:REFCOUNT_DEC_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_SUB_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_INC_ZERO.sh lkdtm:REFCOUNT_ADD_ZERO.sh lkdtm:REFCOUNT_INC_SATURATED.sh lkdtm:REFCOUNT_DEC_SATURATED.sh lkdtm:REFCOUNT_ADD_SATURATED.sh lkdtm:REFCOUNT_INC_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_DEC_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_SUB_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_TIMING.sh lkdtm:ATOMIC_TIMING.sh lkdtm:USERCOPY_HEAP_SIZE_TO.sh lkdtm:USERCOPY_HEAP_SIZE_FROM.sh lkdtm:USERCOPY_HEAP_WHITELIST_TO.sh lkdtm:USERCOPY_HEAP_WHITELIST_FROM.sh lkdtm:USERCOPY_STACK_FRAME_TO.sh lkdtm:USERCOPY_STACK_FRAME_FROM.sh lkdtm:USERCOPY_STACK_BEYOND.sh lkdtm:USERCOPY_KERNEL.sh lkdtm:STACKLEAK_ERASING.sh lkdtm:CFI_FORWARD_PROTO.sh ===========End Tests to run =============== [ 96.381195] 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 [ 97.242189] lkdtm: Performing direct entry BUG [ 97.247278] ------------[ cut here ]------------ [ 97.251920] kernel BUG at drivers/misc/lkdtm/bugs.c:76! [ 97.257153] Internal error: Oops - BUG: 0 [#1] SMP ARM [ 97.262301] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 [ 97.291390] CPU: 1 PID: 820 Comm: cat Not tainted 5.10.155-cip20 #1 [ 97.297667] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 97.304217] PC is at lkdtm_BUG+0x14/0x18 [ 97.308151] LR is at lkdtm_do_action+0x2c/0x4c [ 97.312604] pc : [] lr : [] psr: a00e0013 [ 97.318878] sp : c5c63e58 ip : c5c63e68 fp : c5c63e64 [ 97.324109] r10: 00000004 r9 : c1ad0b5c r8 : c15e8634 [ 97.329344] r7 : c5c63f60 r6 : 00000004 r5 : c5c69000 r4 : 00000001 [ 97.335880] r3 : c0c2f594 r2 : cff4d0e8 r1 : ef7965e0 r0 : c15e863c [ 97.342416] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 97.349560] Control: 10c5387d Table: 1643c04a DAC: 00000051 [ 97.355317] Process cat (pid: 820, stack limit = 0xf8d4e739) [ 97.360985] Stack: (0xc5c63e58 to 0xc5c64000) [ 97.365352] 3e40: c5c63e74 c5c63e68 [ 97.373544] 3e60: c0c2f028 c0c2f5a0 c5c63e9c c5c63e78 c0c2f528 c0c2f008 c0c2f408 c5afcf00 [ 97.381734] 3e80: b6e7a000 00000004 c3022c00 c5c63f60 c5c63ec4 c5c63ea0 c07f6038 c0c2f414 [ 97.389922] 3ea0: 00000000 c5afcf00 b6e7a000 c2816000 c5c63f60 c07f5fd4 c5c63f5c c5c63ec8 [ 97.398113] 3ec0: c0598ab8 c07f5fe0 00000001 00000000 c059904c c13a3de0 c059904c c5c62000 [ 97.406300] 3ee0: b6e7a000 00020000 00000004 00000004 0001fffc c5c63ee0 00000001 b6e79000 [ 97.414488] 3f00: c5be32c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 97.422678] 3f20: 00000000 00000000 c13a3de0 cff4d0e8 c205cfa0 c5afcf00 c5afcf00 c5c62000 [ 97.430868] 3f40: b6e7a000 00000000 00000000 00000004 c5c63f94 c5c63f60 c059904c c05989b8 [ 97.439058] 3f60: 00000000 00000000 c5c63fac cff4d0e8 00000004 00000004 b6fc1e00 00000004 [ 97.447247] 3f80: c03002e4 c5c62000 c5c63fa4 c5c63f98 c05990dc c0598fe4 00000000 c5c63fa8 [ 97.455434] 3fa0: c03000c0 c05990d0 00000004 00000004 00000001 b6e7a000 00000004 00000000 [ 97.463624] 3fc0: 00000004 00000004 b6fc1e00 00000004 00000001 00000000 00020000 be81ea54 [ 97.471812] 3fe0: 00000004 be81e788 b6f2c4cf b6eb27e6 800e0030 00000001 00000000 00000000 [ 97.479993] Backtrace: [ 97.482466] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) [ 97.490055] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 97.498078] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 97.506011] r9:c5c63f60 r8:c3022c00 r7:00000004 r6:b6e7a000 r5:c5afcf00 r4:c0c2f408 [ 97.513772] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 97.521615] r9:c07f5fd4 r8:c5c63f60 r7:c2816000 r6:b6e7a000 r5:c5afcf00 r4:00000000 [ 97.529371] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 97.536518] r10:00000004 r9:00000000 r8:00000000 r7:b6e7a000 r6:c5c62000 r5:c5afcf00 [ 97.544355] r4:c5afcf00 [ 97.546904] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 97.554052] r9:c5c62000 r8:c03002e4 r7:00000004 r6:b6fc1e00 r5:00000004 r4:00000004 [ 97.561812] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 97.569390] Exception stack(0xc5c63fa8 to 0xc5c63ff0) [ 97.574453] 3fa0: 00000004 00000004 00000001 b6e7a000 00000004 00000000 [ 97.582643] 3fc0: 00000004 00000004 b6fc1e00 00000004 00000001 00000000 00020000 be81ea54 [ 97.590828] 3fe0: 00000004 be81e788 b6f2c4cf b6eb27e6 [ 97.595892] Code: e92dd800 e24cb004 e52de004 e8bd4000 (e7f001f2) [ 97.601999] ---[ end trace 3f0f7cd99f406d7b ]--- [ 97.606628] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 97.615508] in_atomic(): 0, irqs_disabled(): 128, non_block: 0, pid: 820, name: cat [ 97.623170] INFO: lockdep is turned off. [ 97.627099] irq event stamp: 1640 [ 97.630434] hardirqs last enabled at (1639): [] console_unlock+0x4b0/0x6c0 [ 97.638278] hardirqs last disabled at (1640): [] __und_svc+0x60/0x6c [ 97.645512] softirqs last enabled at (1636): [] __do_softirq+0x378/0x5fc [ 97.653183] softirqs last disabled at (1629): [] __irq_exit_rcu+0x178/0x1d0 [ 97.661024] CPU: 1 PID: 820 Comm: cat Tainted: G D 5.10.155-cip20 #1 [ 97.668689] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 97.675221] Backtrace: [ 97.677702] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 97.685284] r7:ffffffff r6:600e0093 r5:00000000 r4:c1f0f7f4 [ 97.690961] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 97.698291] [] (dump_stack) from [] (___might_sleep+0x1b0/0x2c0) [ 97.706049] r9:600e0093 r8:0000000b r7:c035bb84 r6:00000031 r5:c19cd360 r4:c5c62000 [ 97.713808] [] (___might_sleep) from [] (__might_sleep+0x70/0xb0) [ 97.721647] r6:00000000 r5:00000031 r4:c19cd360 [ 97.726285] [] (__might_sleep) from [] (exit_signals+0x4c/0x3fc) [ 97.734037] r6:00000001 r5:c5c62000 r4:c62b6c00 [ 97.738676] [] (exit_signals) from [] (do_exit+0x10c/0xb4c) [ 97.745997] r8:0000000b r7:c1e0fccc r6:ffffe000 r5:00000000 r4:c62b6c00 [ 97.752714] [] (do_exit) from [] (die+0x374/0x380) [ 97.759249] r7:c1e0fccc [ 97.761796] [] (die) from [] (do_undefinstr+0x170/0x240) [ 97.768857] r10:00000004 r9:c5c62000 r8:c15e8634 r7:00000000 r6:c5c63dc8 r5:c0c2f5a8 [ 97.776693] r4:e7f001f2 [ 97.779241] [] (do_undefinstr) from [] (__und_svc_finish+0x0/0x54) [ 97.787165] Exception stack(0xc5c63dc8 to 0xc5c63e10) [ 97.792228] 3dc0: c15e863c ef7965e0 cff4d0e8 c0c2f594 00000001 c5c69000 [ 97.800417] 3de0: 00000004 c5c63f60 c15e8634 c1ad0b5c 00000004 c5c63e64 c5c63e68 c5c63e58 [ 97.808602] 3e00: c0c2f028 c0c2f5a8 a00e0013 ffffffff [ 97.813663] r7:c5c63dfc r6:ffffffff r5:a00e0013 r4:c0c2f5ac [ 97.819341] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) [ 97.826925] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 97.834945] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 97.842873] r9:c5c63f60 r8:c3022c00 r7:00000004 r6:b6e7a000 r5:c5afcf00 r4:c0c2f408 [ 97.850630] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 97.858472] r9:c07f5fd4 r8:c5c63f60 r7:c2816000 r6:b6e7a000 r5:c5afcf00 r4:00000000 [ 97.866228] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 97.873375] r10:00000004 r9:00000000 r8:00000000 r7:b6e7a000 r6:c5c62000 r5:c5afcf00 [ 97.881210] r4:c5afcf00 [ 97.883756] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 97.890903] r9:c5c62000 r8:c03002e4 r7:00000004 r6:b6fc1e00 r5:00000004 r4:00000004 [ 97.898658] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 97.906233] Exception stack(0xc5c63fa8 to 0xc5c63ff0) [ 97.911296] 3fa0: 00000004 00000004 00000001 b6e7a000 00000004 00000000 [ 97.919484] 3fc0: 00000004 00000004 b6fc1e00 00000004 00000001 00000000 00020000 be81ea54 [ 97.927670] 3fe0: 00000004 be81e788 b6f2c4cf b6eb27e6 # Segmentation fault # [ 97.242189] lkdtm: Performing direct entry BUG # [ 97.247278] ------------[ cut here ]------------ # [ 97.251920] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 97.257153] Internal error: Oops - BUG: 0 [#1] SMP ARM # [ 97.262301] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 97.291390] CPU: 1 PID: 820 Comm: cat Not tainted 5.10.155-cip20 #1 # [ 97.297667] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 97.304217] PC is at lkdtm_BUG+0x14/0x18 # [ 97.308151] LR is at lkdtm_do_action+0x2c/0x4c # [ 97.312604] pc : [] lr : [] psr: a00e0013 # [ 97.318878] sp : c5c63e58 ip : c5c63e68 fp : c5c63e64 # [ 97.324109] r10: 00000004 r9 : c1ad0b5c r8 : c15e8634 # [ 97.329344] r7 : c5c63f60 r6 : 00000004 r5 : c5c69000 r4 : 00000001 # [ 97.335880] r3 : c0c2f594 r2 : cff4d0e8 r1 : ef7965e0 r0 : c15e863c # [ 97.342416] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 97.349560] Control: 10c5387d Table: 1643c04a DAC: 00000051 # [ 97.355317] Process cat (pid: 820, stack limit = 0xf8d4e739) # [ 97.360985] Stack: (0xc5c63e58 to 0xc5c64000) # [ 97.365352] 3e40: c5c63e74 c5c63e68 # [ 97.373544] 3e60: c0c2f028 c0c2f5a0 c5c63e9c c5c63e78 c0c2f528 c0c2f008 c0c2f408 c5afcf00 # [ 97.381734] 3e80: b6e7a000 00000004 c3022c00 c5c63f60 c5c63ec4 c5c63ea0 c07f6038 c0c2f414 # [ 97.389922] 3ea0: 00000000 c5afcf00 b6e7a000 c2816000 c5c63f60 c07f5fd4 c5c63f5c c5c63ec8 # [ 97.398113] 3ec0: c0598ab8 c07f5fe0 00000001 00000000 c059904c c13a3de0 c059904c c5c62000 # [ 97.406300] 3ee0: b6e7a000 00020000 00000004 00000004 0001fffc c5c63ee0 00000001 b6e79000 # [ 97.414488] 3f00: c5be32c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 97.422678] 3f20: 00000000 00000000 c13a3de0 cff4d0e8 c205cfa0 c5afcf00 c5afcf00 c5c62000 # [ 97.430868] 3f40: b6e7a000 00000000 00000000 00000004 c5c63f94 c5c63f60 c059904c c05989b8 # [ 97.439058] 3f60: 00000000 00000000 c5c63fac cff4d0e8 00000004 00000004 b6fc1e00 00000004 # [ 97.447247] 3f80: c03002e4 c5c62000 c5c63fa4 c5c63f98 c05990dc c0598fe4 00000000 c5c63fa8 # [ 97.455434] 3fa0: c03000c0 c05990d0 00000004 00000004 00000001 b6e7a000 00000004 00000000 # [ 97.463624] 3fc0: 00000004 00000004 b6fc1e00 00000004 00000001 00000000 00020000 be81ea54 # [ 97.471812] 3fe0: 00000004 be81e788 b6f2c4cf b6eb27e6 800e0030 00000001 00000000 00000000 # [ 97.479993] Backtrace: # [ 97.482466] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) # [ 97.490055] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 97.498078] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 97.506011] r9:c5c63f60 r8:c3022c00 r7:00000004 r6:b6e7a000 r5:c5afcf00 r4:c0c2f408 # [ 97.513772] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 97.521615] r9:c07f5fd4 r8:c5c63f60 r7:c2816000 r6:b6e7a000 r5:c5afcf00 r4:00000000 # [ 97.529371] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 97.536518] r10:00000004 r9:00000000 r8:00000000 r7:b6e7a000 r6:c5c62000 r5:c5afcf00 # [ 97.544355] r4:c5afcf00 # [ 97.546904] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 97.554052] r9:c5c62000 r8:c03002e4 r7:00000004 r6:b6fc1e00 r5:00000004 r4:00000004 # [ 97.561812] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 97.569390] Exception stack(0xc5c63fa8 to 0xc5c63ff0) # [ 97.574453] 3fa0: 00000004 00000004 00000001 b6e7a000 00000004 00000000 # [ 97.582643] 3fc0: 00000004 00000004 b6fc1e00 00000004 00000001 00000000 00020000 be81ea54 # [ 97.590828] 3fe0: 00000004 be81e788 b6f2c4cf b6eb27e6 # [ 97.595892] Code: e92dd800 e24cb004 e52de004 e8bd4000 (e7f001f2) # [ 97.601999] ---[ end trace 3f0f7cd99f406d7b ]--- # [ 97.606628] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 97.615508] in_atomic(): 0, irqs_disabled(): 128, non_block: 0, pid: 820, name: cat # [ 97.623170] INFO: lockdep is turned off. # [ 97.627099] irq event stamp: 1640 # [ 97.630434] hardirqs last enabled at (1639): [] console_unlock+0x4b0/0[ 98.403237] lkdtm: Performing direct entry WARNING x6c0 # [ 97.638278] hardirqs l[ 98.409593] ------------[ cut here ]------------ ast disabled at (1640): [] __und_svc+0x60/0x6c # [ 97[ 98.428439] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 .645512] softirqs last enabled a[ 98.460330] CPU: 3 PID: 891 Comm: cat Tainted: G D W 5.10.155-cip20 #1 t (1636): [] __do_softi[ 98.470609] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) rq+0x378/0x5fc # [ 97.653183] [ 98.479999] Backtrace: softirqs last disabled at (1629):[ 98.485330] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [] __irq_exit_rcu+0x17[ 98.495749] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7f4 8/0x1d0 # [ 97.661024] CPU: 1 [ 98.504273] [] (show_stack) from [] (dump_stack+0xe0/0x100) PID: 820 Comm: cat Tainted: G [ 98.514446] [] (dump_stack) from [] (__warn+0xfc/0x16c) D 5.10.155-cip20 #1 [ 98.524265] r9:00000009 r8:c0c2f5f4 r7:00000053 r6:00000009 r5:c0c2f5f4 r4:c1ad1218 # [ 97.668689] Hardware name: F[ 98.534872] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) reescale i.MX6 Quad/DualLite (Dev[ 98.545213] r7:00000053 r6:c1ad1218 r5:00000000 r4:c616c000 ice Tree) # [ 97.675221] Backt[ 98.553745] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING+0x48/0x4c) race: # [ 97.677702] [] (dump_backtrace) from [] (lkdtm_WARNING) from [] (lkdtm_do_action+0x2c/0x4c) 0f10>] (show_stack+0x20/0x24) # [ 98.586077] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 97.685284] r7:ffffffff r6:60[ 98.596946] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) 0e0093 r5:00000000 r4:c1f0f7f4 #[ 98.607716] r9:c616df60 r8:c3022c00 r7:00000008 r6:b6df0000 r5:c5ede500 r4:c0c2f408 [ 97.690961] [] (sho[ 98.618328] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) w_stack) from [] (dump_[ 98.629015] r9:c07f5fd4 r8:c616df60 r7:c2816000 r6:b6df0000 r5:c5ede500 r4:00000000 stack+0xe0/0x100) # [ 97.69829[ 98.639621] [] (vfs_write) from [] (ksys_write+0x74/0xec) 1] [] (dump_stack) from[ 98.649617] r10:00000004 r9:00000000 r8:00000000 r7:b6df0000 r6:c616c000 r5:c5ede500 [] (___might_sleep+0x1[ 98.660305] r4:c5ede500 b0/0x2c0) # [ 97.706049] r9:6[ 98.665707] [] (ksys_write) from [] (sys_write+0x18/0x1c) 00e0093 r8:0000000b r7:c035bb84 r[ 98.675703] r9:c616c000 r8:c03002e4 r7:00000004 r6:b6f37e00 r5:00000008 r4:00000008 6:00000031 r5:c19cd360 r4:c5c6200[ 98.686312] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) 0 # [ 97[ 98.696738] Exception stack(0xc616dfa8 to 0xc616dff0) [ 98.702746] dfa0: 00000008 00000008 00000001 b6df0000 00000008 00000000 [ 98.710932] dfc0: 00000008 00000008 b6f37e00 00000004 00000001 00000000 00020000 beafea54 [ 98.719115] dfe0: 00000004 beafe788 b6ea24cf b6e287e6 .7[ 98.724244] irq event stamp: 0 13808] [] (___might_sle[ 98.727488] hardirqs last enabled at (0): [<00000000>] 0x0 ep) from [] (__might_sl[ 98.735974] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c eep+0x70/0xb0) # [ 97.721647] [ 98.746344] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c r6:00000000 r5:00000031 r4:c19cd[ 98.756671] softirqs last disabled at (0): [<00000000>] 0x0 360 # [ 97.726285] [[ 98.765086] ---[ end trace 3f0f7cd99f406d7c ]--- ] (__might_sleep) from [] (exit_signals+0x4c/0x3fc) # [ 97.734037] r6:00000001 r5:c5c62000 r4:c62b6c00 # [ 97.738676] [] (exit_signals) from [] (do_exit+0x10c/0xb4c) # [ 97.745997] r8:0000000b r7:c1e0fccc r6:ffffe000 r5:00000000 r4:c62b6c00 # [ 97.752714] [] (do_exit) from [] (die+0x374/0x380) # [ 97.759249] r7:c1e0fccc # [ 97.761796] [] (die) from [] (do_undefinstr+0x170/0x240) # [ 97.768857] r10:00000004 r9:c5c62000 r8:c15e8634 r7:00000000 r6:c5c63dc8 r5:c0c2f5a8 # [ 97.776693] r4:e7f001f2 # [ 97.779241] [] (do_undefinstr) from [] (__und_svc_finish+0x0/0x54) # [ 97.787165] Exception stack(0xc5c63dc8 to 0xc5c63e10) # [ 97.792228] 3dc0: c15e863c ef7965e0 cff4d0e8 c0c2f594 00000001 c5c69000 # [ 97.800417] 3de0: 00000004 c5c63f60 c15e8634 c1ad0b5c 00000004 c5c63e64 c5c63e68 c5c63e58 # [ 97.808602] 3e00: c0c2f028 c0c2f5a8 a00e0013 ffffffff # [ 97.813663] r7:c5c63dfc r6:ffffffff r5:a00e0013 r4:c0c2f5ac # [ 97.819341] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) # [ 97.826925] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 97.834945] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 97.842873] r9:c5c63f60 r8:c3022c00 r7:00000004 r6:b6e7a000 r5:c5afcf00 r4:c0c2f408 # [ 97.850630] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 97.858472] r9:c07f5fd4 r8:c5c63f60 r7:c2816000 r6:b6e7a000 r5:c5afcf00 r4:00000000 # [ 97.866228] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 97.873375] r10:00000004 r9:00000000 r8:00000000 r7:b6e7a000 r6:c5c62000 r5:c5afcf00 # [ 97.881210] r4:c5afcf00 # [ 97.883756] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 97.890903] r9:c5c62000 r8:c03002e4 r7:00000004 r6:b6fc1e00 r5:00000004 r4:00000004 # [ 97.898658] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 97.906233] Exception stack(0xc5c63fa8 to 0xc5c63ff0) # [ 97.911296] 3fa0: 00000004 00000004 00000001 b6e7a000 00000004 00000000 # [ 97.919484] 3fc0: 00000004 00000004 b6fc1e00 00000004 00000001 00000000 00020000 be81ea54 # [ 97.927670] 3fe0: 00000004 be81e788 b6f2c4cf b6eb27e6 # BUG: saw 'kernel BUG at': ok ok 2 selftests: lkdtm: BUG.sh # selftests: lkdtm: WARNING.sh # [ 98.403237] lkdtm: Performing direct entry WARNING # [ 98.409593] ------------[ cut here ]------------ # [ 98.417227] WARNING: CPU: 3 PID: 891 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x48/0x4c # [ 98.428439] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 98.460330] CPU: 3 PID: 891 Comm: cat Tainted: G D W 5.10.155-cip20 #1 # [ 98.470609] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 98.479999] Backtrace: # [ 98.485330] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 98.495749] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7f4 # [ 98.504273] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 98.514446] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 98.524265] r9:00000009 r8:c0c2f5f4 r7:00000053 r6:00000009 r5:c0c2f5f4 r4:c1ad1218 # [ 98.534872] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 98.545213] r7:00000053 r6:c1ad1218 r5:00000000 r4:c616c000 # [ 98.553745] [] (warn_s[ 99.104721] lkdtm: Performing direct entry WARNING_MESSAGE lowpath_fmt) from [] (l[ 99.111879] ------------[ cut here ]------------ kdtm_WARNING+0x48/0x4c) # [ 98[ 99.119473] WARNING: CPU: 3 PID: 926 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x4c/0x54 .564689] r9:c1ad0b60 r8:c15e8634[ 99.131466] Warning message trigger count: 2 r7:c616df60 r6:00000008 r5:c619d[ 99.138544] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 000 r4:00000002 # [ 98.575299][ 99.170235] CPU: 3 PID: 926 Comm: cat Tainted: G D W 5.10.155-cip20 #1 [] (lkdtm_WARNING) fro[ 99.180714] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) m [] (lkdtm_do_action+0[ 99.190103] Backtrace: x2c/0x4c) # [ 98.586077] [] (dump_backtrace) from [] (show_stack+0x20/0x24) 2effc>] (lkdtm_do_action) from [<[ 99.205850] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7f4 c0c2f528>] (direct_entry+0x120/0x[ 99.214378] [] (show_stack) from [] (dump_stack+0xe0/0x100) 18c) # [ 98.596946] [] (dump_stack) from [] (__warn+0xfc/0x16c) >] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 99.244977] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 98.607716] r9:c616df60 r8:[ 99.255319] r7:00000058 r6:c1ad1218 r5:c1ad1234 r4:c62fe000 c3022c00 r7:00000008 r6:b6df0000 [ 99.263849] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING_MESSAGE+0x4c/0x54) r5:c5ede500 r4:c0c2f408 # [ 98[ 99.275489] r9:c1ad0b68 r8:c15e8634 r7:c62fff60 r6:00000010 r5:c619d000 r4:00000003 .618328] [] (full_proxy[ 99.286099] [] (lkdtm_WARNING_MESSAGE) from [] (lkdtm_do_action+0x2c/0x4c) _write) from [] (vfs_wr[ 99.297571] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) ite+0x10c/0x524) # [ 98.629015[ 99.308439] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) ] r9:c07f5fd4 r8:c616df60 r7:c28[ 99.319212] r9:c62fff60 r8:c3022c00 r7:00000010 r6:b6e6c000 r5:c5ede8c0 r4:c0c2f408 16000 r6:b6df0000 r5:c5ede500 r4:[ 99.329825] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) 00000000 # [ 98.639621] [] (vfs_write) from [] (vfs_write) from [] (ksys_write+0x74/0xec) c>] (ksys_write+0x74/0xec) # [ [ 99.361113] r10:00000004 r9:00000000 r8:00000000 r7:b6e6c000 r6:c62fe000 r5:c5ede8c0 98.649617] r10:00000004 r9:0000[ 99.371801] r4:c5ede8c0 0000 r8:00000000 r7:b6df0000 r6:c[ 99.377206] [] (ksys_write) from [] (sys_write+0x18/0x1c) 616c000 r5:c5ede500 # [ 98.660[ 99.387200] r9:c62fe000 r8:c03002e4 r7:00000004 r6:b6fb3e00 r5:00000010 r4:00000010 305] r4:c5ede500 # [ 98.66570[ 99.397809] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) 7] [] (ksys_write) from[ 99.408235] Exception stack(0xc62fffa8 to 0xc62ffff0) [] (sys_write+0x18/0x1[ 99.416153] ffa0: 00000010 00000010 00000001 b6e6c000 00000010 00000000 c) # [ 98.675703] r9:c616c000[ 99.427193] ffc0: 00000010 00000010 b6fb3e00 00000004 00000001 00000000 00020000 bef95a54 r8:c03002e4 r7:00000004 r6:b6f37[ 99.438228] ffe0: 00000004 bef95788 b6f1e4cf b6ea47e6 e00 r5:00000008 r4:00000008 # [ [ 99.446212] irq event stamp: 0 98.686312] [] (sys_wr[ 99.452068] hardirqs last enabled at (0): [<00000000>] 0x0 ite) from [] (ret_fast_[ 99.460531] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c syscall+0x0/0x28) # [ 98.69673[ 99.470871] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c 8] Exception stack(0xc616dfa8 to [ 99.481237] softirqs last disabled at (0): [<00000000>] 0x0 0xc616dff0) # [ 98.702746] dfa[ 99.489672] ---[ end trace 3f0f7cd99f406d7d ]--- 0: 00000008 00000008 00000001 b6df0000 00000008 00000000 # [ 98.710932] dfc0: 00000008 00000008 b6f37e00 00000004 00000001 00000000 00020000 beafea54 # [ 98.719115] dfe0: 00000004 beafe788 b6ea24cf b6e287e6 # [ 98.724244] irq event stamp: 0 # [ 98.727488] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 98.735974] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 98.746344] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 98.756671] softirqs last disabled at (0): [<00000000>] 0x0 # [ 98.765086] ---[ end trace 3f0f7cd99f406d7c ]--- # WARNING: saw 'WARNING:': ok ok 3 selftests: lkdtm: WARNING.sh # selftests: lkdtm: WARNING_MESSAGE.sh # [ 99.104721] lkdtm: Performing direct entry WARNING_MESSAGE # [ 99.111879] ------------[ cut here ]------------ # [ 99.119473] WARNING: CPU: 3 PID: 926 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x4c/0x54 # [ 99.131466] Warning message trigger count: 2 # [ 99.138544] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 99.170235] CPU: 3 PID: 926 Comm: cat Tainted: G D W 5.10.155-cip20 #1 # [ 99.180714] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 99.190103] Backtrace: # [ 99.195432] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 99.205850] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7f4 # [ 99.214378] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 99.224551] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 99.234369] r9:00000009 r8:c0c2f644 r7:00000058 r6:00000009 r5:c0c2f644 r4:c1ad1218 # [ 99.244977] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 99.255319] r7:00000058 r6:c1ad1218 r5:c1ad1234 r4:c62fe000 # [ 99.263849] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING_MESSAGE+0x4c/0x54) # [ 99.275489] r9:c1ad0b68 r8:c15e8634 r7:c62fff60 r6:00000010 r5:c619d000 r4:00000003 # [ 99.286099] [] (lkdtm_WARNING_MESSAGE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 99.297571] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 99.308439] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 99.319212] r9:c62fff60 r8:c3022c00 r7:00000010 r6:b6e6c000 r5:c5ede8c0 r4:c0c2f408 # [ 99.329825] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 99.340509] r9:c07f5fd4 r8:c62fff60 r7:c2816000 r6:b6e6c000 r5:c5ede8c0 r4:00000000 # [ 99.351116] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 99.361113] r10:00000004 r9:00000000 r8:00000000 r7:b6e6c000 r6:c62fe000 r5:c5ede8c0 # [ 99.371801] r4:c5ede8c0 # [ 99.377206] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 99.387200] r9:c62fe000 r8:c03002e4 r7:00000004 r6:b6fb3e00 r5:00000010 r4:00000010 # [ 99.397809] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 99.408235] Exception stack(0xc62fffa8 to 0xc62ffff0) # [ 99.416153] ffa0: 00000010 00000010 00000001 b6e6c000 00000010 00000000 # [ 99.427193] ffc0: 00000010 00000010 b6fb3e00 00000004 00000001 00000000 00020000 bef95a54 # [ 99.438228] ffe0: 00000004 bef95788 b6f1e4cf b6ea47e6 # [ 99.446212] irq event stamp: 0[ 99.816695] lkdtm: Performing direct entry EXCEPTION # [ 99.452068] hardi[r q s 99.822486] 8<--- cut here --- ast enabled at (0): [<00000000>][ 99.828212] Unable to handle kernel NULL pointer dereference at virtual address 00000000 0x0 # [ 99.460531] hardirqs l[ 99.839037] pgd = 96e1b88e ast disabled at (0): [][ 99.844604] [00000000] *pgd=00000000 copy_process+0x5c8/0x194c # [ [ 99.850990] Internal error: Oops: 805 [#2] SMP ARM 99.470871] softirqs last enable[ 99.858605] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 d at (0): [ ]9 9c.o890309] CPU: 1 PID: 958 Comm: cat Tainted: G D W 5.10.155-cip20 #1 y_process+[0 x 5 c989/.09x01091429] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 99.481237] softirqs las[t 99.908492] PC is at lkdtm_EXCEPTION+0x18/0x20 disabled at (0[) : 9[9<.090105614] LR is at lkdtm_do_action+0x2c/0x4c 0000>] 0x0 [# [ 9 9 .9992.24051] pc : [] lr : [] psr: a00e0013 9672] -[- - [ 9e9n.d9 3t0r2a2c3e sp : c6473e58 ip : c6473e68 fp : c6473e64 3f0f7cd99f[4 0 69d97.d9 3]7-0-97] r10: 0000000a r9 : c1ad0b78 r8 : c15e8634 # WARNI[N G _ M9E9S.S9A4G4E1:4 ] r7 : c6473f60 r6 : 0000000a r5 : c2f6b000 r4 : 00000004 saw 'messa[g e t9r9i.g9g5e2r4'04] r3 : 00000000 r2 : a195d0e6 r1 : ef7965e0 r0 : c15e8654 ok ok 4 sel[f t e s9t9s.:9 6l0k54] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none dtm: WARNI[N G _ M9E9S.S9A6G9E7.95] Control: 10c5387d Table: 1673c04a DAC: 00000051 h # selftests[: l k9d9t.m9:7 7363] Process cat (pid: 958, stack limit = 0x02f23a51) XCEPTION.sh[ 99.985016] Stack: (0xc6473e58 to 0xc6474000) [ 99.990501] 3e40: c6473e74 c6473e68 [ 99.998687] 3e60: c0c2f028 c0c2f658 c6473e9c c6473e78 c0c2f528 c0c2f008 c0c2f408 c59dd900 [ 100.006872] 3e80: b6e41000 0000000a c3022c00 c6473f60 c6473ec4 c6473ea0 c07f6038 c0c2f414 [ 100.015058] 3ea0: 00000000 c59dd900 b6e41000 c2816000 c6473f60 c07f5fd4 c6473f5c c6473ec8 [ 100.023244] 3ec0: c0598ab8 c07f5fe0 00000001 00000000 c059904c c13a3de0 c059904c c6472000 [ 100.031429] 3ee0: b6e41000 00020000 00000004 0000000a 0001fff6 c6473ee0 00000001 b6e40000 [ 100.039614] 3f00: c5887900 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 100.047801] 3f20: 00000000 00000000 c13a3de0 a195d0e6 c205cfa0 c59dd900 c59dd900 c6472000 [ 100.055987] 3f40: b6e41000 00000000 00000000 00000004 c6473f94 c6473f60 c059904c c05989b8 [ 100.064174] 3f60: 00000000 00000000 c6473fac a195d0e6 0000000a 0000000a b6f88e00 00000004 [ 100.072360] 3f80: c03002e4 c6472000 c6473fa4 c6473f98 c05990dc c0598fe4 00000000 c6473fa8 [ 100.080546] 3fa0: c03000c0 c05990d0 0000000a 0000000a 00000001 b6e41000 0000000a 00000000 [ 100.088733] 3fc0: 0000000a 0000000a b6f88e00 00000004 00000001 00000000 00020000 bef3ba54 [ 100.096919] 3fe0: 00000004 bef3b788 b6ef34cf b6e797e6 800e0030 00000001 00000000 00000000 [ 100.105098] Backtrace: [ 100.107567] [] (lkdtm_EXCEPTION) from [] (lkdtm_do_action+0x2c/0x4c) [ 100.115672] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 100.123691] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 100.131617] r9:c6473f60 r8:c3022c00 r7:0000000a r6:b6e41000 r5:c59dd900 r4:c0c2f408 [ 100.139375] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 100.147214] r9:c07f5fd4 r8:c6473f60 r7:c2816000 r6:b6e41000 r5:c59dd900 r4:00000000 [ 100.154967] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 100.162110] r10:00000004 r9:00000000 r8:00000000 r7:b6e41000 r6:c6472000 r5:c59dd900 [ 100.169944] r4:c59dd900 [ 100.172489] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 100.179633] r9:c6472000 r8:c03002e4 r7:00000004 r6:b6f88e00 r5:0000000a r4:0000000a [ 100.187389] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 100.194962] Exception stack(0xc6473fa8 to 0xc6473ff0) [ 100.200021] 3fa0: 0000000a 0000000a 00000001 b6e41000 0000000a 00000000 [ 100.208205] 3fc0: 0000000a 0000000a b6f88e00 00000004 00000001 00000000 00020000 bef3ba54 [ 100.216388] 3fe0: 00000004 bef3b788 b6ef34cf b6e797e6 [ 100.221447] Code: e24cb004 e52de004 e8bd4000 e3a03000 (e5833000) [ 100.227631] ---[ end trace 3f0f7cd99f406d7e ]--- # Segmentation fault # [ 99.816695] lkdtm: Performing direct entry EXCEPTION # [ 99.822486] 8<--- cut here --- # [ 99.828212] Unable to handle kernel NULL pointer dereference at virtual address 00000000 # [ 99.839037] pgd = 96e1b88e # [ 99.844604] [00000000] *pgd=00000000 # [ 99.850990] Internal error: Oops: 805 [#2] SMP ARM # [ 99.858605] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 99.890309] CPU: 1 PID: 958 Comm: cat Tainted: G D W 5.10.155-cip20 #1 # [ 99.900129] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 99.908492] PC is at lkdtm_EXCEPTION+0x18/0x20 # [ 99.915614] LR is at lkdtm_do_action+0x2c/0x4c # [ 99.922051] pc : [] lr : [] psr: a00e0013 # [ 99.930223] sp : c6473e58 ip : c6473e68 fp : c6473e64 # [ 99.937097] r10: 0000000a r9 : c1ad0b78 r8 : c15e8634 # [ 99.944143] r7 : c6473f60 r6 : 0000000a r5 : c2f6b000 r4 : 00000004 # [ 99.952404] r3 : 00000000 r2 : a195d0e6 r1 : ef7965e0 r0 : c15e8654 # [ 99.960754] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 99.969795] Control: 10c5387d Table: 1673c04a DAC: 00000051 # [ 99.977363] Process cat (pid: 958, stack limit = 0x02f23a51) # [ 99.985016] Stack: (0xc6473e58 to 0xc6474000) # [ 99.990501] 3e40: c6473e74 c6473e68 # [ 99.998687] 3e60: c0c2f028 c0c2f658 c6473e9c c6473e78 c0c2f528 c0c2f008 c0c2f408 c59dd900 # [ 100.006872] 3e80: b6e41000 0000000a c3022c00 c6473f60 c6473ec4 c6473ea0 c07f6038 c0c2f414 # [ 100.015058] 3ea0: 00000000 c59dd900 b6e41000 c2816000 c6473f60 c07f5fd4 c6473f5c c6473ec8 # [ 100.023244] 3ec0: c0598ab8 c07f5fe0 00000001 00000000 c059904c c13a3de0 c059904c c6472000 # [ 100.031429] 3ee0: b6e41000 00020000 00000004 0000000a 0001fff6 c6473ee0 00000001 b6e40000 # [ 100.039614] 3f00: c5887900 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 100.047801] 3f20: 00000000 00000000 c13a3de0 a195d0e6 c205cfa0 c59dd900 c59dd900 c6472000 # [ 100.055987] 3f40: b6e41000 00000000 00000000 00000004 c6473f94 c6473f60 c059904c c05989b8 # [ 100.064174] 3f60: 00000000 00000000 c6473fac a195d0e6 0000000a 0000000a b6f88e00 00000004 # [ 100.072360] 3f80: c03002e4 c6472000 c6473fa4 c6473f98 c05990dc c0598fe4 00000000 c6473fa8 # [ 100.080546] 3fa0: c03000c0 c05990d0 0000000a 0000000a 00000001 b6e41000 0000000a 00000000 # [ 100.088733] 3fc0: 0000000a 0000000a b6f88e00 00000004 00000001 00000000 00020000 bef3ba54 # [ 100.096919] 3fe0: 00000004 bef3b788 b6ef34cf b6e797e6 800e0030 00000001 00000000 00000000 # [ 100.105098] Backtrace: # [ 100.107567] [] (lkdtm_EXCEPTION) from [] (lkdtm_do_action+0x2c/0x4c) # [ 100.115672] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 100.123691] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 100.131617] r9:c6473f60 r8:c3022c00 r7:0000000a r6:b6e41000 r5:c59dd900 r4:c0c2f408 # [ 100.139375] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 100.147214] r9:c07f5fd4 r8:c6473f60 r7:c2816000 r6:b6e41000 r5:c59dd900 r4:00000000 # [ 100.154967] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 100.162110] r10:00000004 r9:00000000 r8:00000000 r7:b6e41000 r6:c6472000 r5:c59dd900 # [ 100.169944] r4:c59dd900 # [ 100.172489] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 100.179633] r9:c6472000 r8:c03002e4 r7:00000004 r6:b6f88e00 r5:0000000a r4:0000000a # [ 100.187389] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 100.194962] Exception stack(0xc6473fa8 to 0xc6473ff0) # [ 100.200021] 3fa0: 0000000a 0000000a 00000001 b6e41000 0000000a 00000000 # [ 100.208205] 3fc0: 0000000a 0000000a b6f88e00 00000004 00000001 00000000 00020000 bef3ba54 # [ 100.216388] 3fe0: 00000004 bef3b788 b6ef34cf b6e797e6 # [ 100.221447] Code: e24cb004 e52de004 e8bd4000 e3a03000 (e5833000) # [ 100.227631] ---[ end trace 3f0f7cd99f406d7e ]--- # 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 [ 101.346644] lkdtm: Performing direct entry CORRUPT_LIST_ADD [ 101.352237] lkdtm: attempting good list addition [ 101.356964] lkdtm: attempting corrupted list addition [ 101.362025] lkdtm: list_add() corruption not detected! # [ 101.346644] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 101.352237] lkdtm: attempting good list addition # [ 101.356964] lkdtm: attempting corrupted list addition # [ 101.362025] 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 [ 101.690000] lkdtm: Performing direct entry CORRUPT_LIST_DEL [ 101.695794] lkdtm: attempting good list removal [ 101.700366] lkdtm: attempting corrupted list removal [ 101.705419] lkdtm: list_del() corruption not detected! # [ 101.690000] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 101.695794] lkdtm: attempting good list removal # [ 101.700366] lkdtm: attempting corrupted list removal # [ 101.705419] 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 [ 102.023412] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING [ 102.029701] lkdtm: attempting bad read from page below current stack [ 102.036132] lkdtm: FAIL: accessed page before stack! (byte: 0) # [ 102.023412] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 102.029701] lkdtm: attempting bad read from page below current stack # [ 102.036132] 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 [ 102.351525] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING [ 102.358035] lkdtm: attempting bad read from page above current stack [ 102.364455] lkdtm: FAIL: accessed page after stack! (byte: 0) # [ 102.351525] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING # [ 102.358035] lkdtm: attempting bad read from page above current stack # [ 102.364455] 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 [ 102.700482] lkdtm: Performing direct entry UNSET_SMEP [ 102.705638] lkdtm: XFAIL: this test is x86_64-only # [ 102.700482] lkdtm: Performing direct entry UNSET_SMEP # [ 102.705638] lkdtm: XFAIL: this test is x86_64-only # UNSET_SMEP: saw 'XFAIL': [SKIP] ok 14 selftests: lkdtm: UNSET_SMEP.sh # SKIP # selftests: lkdtm: DOUBLE_FAULT.sh [ 103.038737] lkdtm: Performing direct entry DOUBLE_FAULT [ 103.044092] lkdtm: XFAIL: this test is ia32-only # [ 103.038737] lkdtm: Performing direct entry DOUBLE_FAULT # [ 103.044092] 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 [ 103.364686] lkdtm: Performing direct entry CORRUPT_PAC [ 103.369846] lkdtm: XFAIL: this test is arm64-only # [ 103.364686] lkdtm: Performing direct entry CORRUPT_PAC # [ 103.369846] 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 [ 103.701122] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE [ 103.707892] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS # [ 103.701122] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # [ 103.707892] 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 [ 104.412544] lkdtm: Performing direct entry READ_AFTER_FREE [ 104.418126] lkdtm: Value in memory before free: 12345678 [ 104.423559] lkdtm: Attempting bad read from freed memory [ 104.428912] lkdtm: Memory was not poisoned # [ 104.412544] lkdtm: Performing direct entry READ_AFTER_FREE # [ 104.418126] lkdtm: Value in memory before free: 12345678 # [ 104.423559] lkdtm: Attempting bad read from freed memory # [ 104.428912] 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 [ 104.968808] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE [ 104.974951] lkdtm: Value in memory before free: 12345678 [ 104.980275] lkdtm: Attempting to read from freed memory [ 104.985550] lkdtm: Buddy page was not poisoned # [ 104.968808] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE # [ 104.974951] lkdtm: Value in memory before free: 12345678 # [ 104.980275] lkdtm: Attempting to read from freed memory # [ 104.985550] 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 [ 105.318120] lkdtm: Performing direct entry SLAB_FREE_DOUBLE [ 105.323886] lkdtm: Attempting double slab free ... # [ 105.318120] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 105.323886] 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 [ 105.659090] lkdtm: Performing direct entry SLAB_FREE_CROSS [ 105.664722] lkdtm: Attempting cross-cache slab free ... # [ 105.659090] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 105.664722] 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 [ 105.992480] lkdtm: Performing direct entry SLAB_FREE_PAGE [ 105.997985] lkdtm: Attempting non-Slab slab free ... # [ 105.992480] lkdtm: Performing direct entry SLAB_FREE_PAGE # [ 105.997985] 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 [ 107.083578] lkdtm: Performing direct entry EXEC_DATA [ 107.088567] lkdtm: attempting ok execution at c0c2fd98 [ 107.093798] lkdtm: attempting bad execution at c26f794c [ 107.099039] 8<--- cut here --- [ 107.102101] Unable to handle kernel paging request at virtual address c26f794c [ 107.109330] pgd = 3693da9b [ 107.112043] [c26f794c] *pgd=1261141e(bad) [ 107.116078] Internal error: Oops: 8000000d [#3] SMP ARM [ 107.121309] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 [ 107.150347] CPU: 1 PID: 1801 Comm: cat Tainted: G D W 5.10.155-cip20 #1 [ 107.158096] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 107.164638] PC is at data_area+0x0/0x40 [ 107.168485] LR is at execute_location+0xa4/0xb4 [ 107.173021] pc : [] lr : [] psr: 600e0013 [ 107.179293] sp : c6643e38 ip : 00000027 fp : c6643e54 [ 107.184522] r10: 0000000a r9 : c1ad0d5c r8 : c15e8634 [ 107.189752] r7 : c6643f60 r6 : 00000001 r5 : c26f794c r4 : c0c2fd98 [ 107.196285] r3 : d9f204b4 r2 : d9f204b4 r1 : ef7965e4 r0 : 0000002b [ 107.202820] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 107.209962] Control: 10c5387d Table: 1643804a DAC: 00000051 [ 107.215715] Process cat (pid: 1801, stack limit = 0x5cbb8535) [ 107.221468] Stack: (0xc6643e38 to 0xc6644000) [ 107.225834] 3e20: 0000001f c5d96000 [ 107.234019] 3e40: 0000000a c6643f60 c6643e64 c6643e58 c138e7c8 c138e5c4 c6643e74 c6643e68 [ 107.242206] 3e60: c0c2f028 c138e7b0 c6643e9c c6643e78 c0c2f528 c0c2f008 c0c2f408 c5c04b40 [ 107.250391] 3e80: b6e54000 0000000a c3022c00 c6643f60 c6643ec4 c6643ea0 c07f6038 c0c2f414 [ 107.258576] 3ea0: 00000000 c5c04b40 b6e54000 c2816000 c6643f60 c07f5fd4 c6643f5c c6643ec8 [ 107.266761] 3ec0: c0598ab8 c07f5fe0 00000001 00000000 c059904c c13a3de0 c059904c c6642000 [ 107.274947] 3ee0: b6e54000 00020000 00000004 0000000a 0001fff6 c6643ee0 00000001 b6e53000 [ 107.283132] 3f00: c5e28640 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 107.291317] 3f20: 00000000 00000000 c13a3de0 d9f204b4 c205cfa0 c5c04b40 c5c04b40 c6642000 [ 107.299503] 3f40: b6e54000 00000000 00000000 00000004 c6643f94 c6643f60 c059904c c05989b8 [ 107.307689] 3f60: 00000000 00000000 c6643fac d9f204b4 0000000a 0000000a b6f9be00 00000004 [ 107.315875] 3f80: c03002e4 c6642000 c6643fa4 c6643f98 c05990dc c0598fe4 00000000 c6643fa8 [ 107.324060] 3fa0: c03000c0 c05990d0 0000000a 0000000a 00000001 b6e54000 0000000a 00000000 [ 107.332244] 3fc0: 0000000a 0000000a b6f9be00 00000004 00000001 00000000 00020000 bee32a54 [ 107.340430] 3fe0: 00000004 bee32788 b6f064cf b6e8c7e6 800e0030 00000001 00000000 00000000 [ 107.348610] Backtrace: [ 107.351075] [] (execute_location) from [] (lkdtm_EXEC_DATA+0x24/0x28) [ 107.359261] r7:c6643f60 r6:0000000a r5:c5d96000 r4:0000001f [ 107.364935] [] (lkdtm_EXEC_DATA) from [] (lkdtm_do_action+0x2c/0x4c) [ 107.373036] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 107.381057] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 107.388983] r9:c6643f60 r8:c3022c00 r7:0000000a r6:b6e54000 r5:c5c04b40 r4:c0c2f408 [ 107.396740] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 107.404578] r9:c07f5fd4 r8:c6643f60 r7:c2816000 r6:b6e54000 r5:c5c04b40 r4:00000000 [ 107.412331] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 107.419473] r10:00000004 r9:00000000 r8:00000000 r7:b6e54000 r6:c6642000 r5:c5c04b40 [ 107.427306] r4:c5c04b40 [ 107.429849] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 107.436994] r9:c6642000 r8:c03002e4 r7:00000004 r6:b6f9be00 r5:0000000a r4:0000000a [ 107.444749] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 107.452324] Exception stack(0xc6643fa8 to 0xc6643ff0) [ 107.457383] 3fa0: 0000000a 0000000a 00000001 b6e54000 0000000a 00000000 [ 107.465569] 3fc0: 0000000a 0000000a b6f9be00 00000004 00000001 00000000 00020000 bee32a54 [ 107.473751] 3fe0: 00000004 bee32788 b6f064cf b6e8c7e6 [ 107.478812] Code: 00000000 c2afb240 c2afb300 c2afb3c0 (e1a0c00d) [ 107.484915] ---[ end trace 3f0f7cd99f406d7f ]--- # Segmentation fault # [ 107.083578] lkdtm: Performing direct entry EXEC_DATA # [ 107.088567] lkdtm: attempting ok execution at c0c2fd98 # [ 107.093798] lkdtm: attempting bad execution at c26f794c # [ 107.099039] 8<--- cut here --- # [ 107.102101] Unable to handle kernel paging request at virtual address c26f794c # [ 107.109330] pgd = 3693da9b # [ 107.112043] [c26f794c] *pgd=1261141e(bad) # [ 107.116078] Internal error: Oops: 8000000d [#3] SMP ARM # [ 107.121309] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 107.150347] CPU: 1 PID: 1801 Comm: cat Tainted: G D W 5.10.155-cip20 #1 # [ 107.158096] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 107.164638] PC is at data_area+0x0/0x40 # [ 107.168485] LR is at execute_location+0xa4/0xb4 # [ 107.173021] pc : [] lr : [] psr: 600e0013 # [ 107.179293] sp : c6643e38 ip : 00000027 fp : c6643e54 # [ 107.184522] r10: 0000000a r9 : c1ad0d5c r8 : c15e8634 # [ 107.189752] r7 : c6643f60 r6 : 00000001 r5 : c26f794c r4 : c0c2fd98 # [ 107.196285] r3 : d9f204b4 r2 : d9f204b4 r1 : ef7965e4 r0 : 0000002b # [ 107.202820] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 107.209962] Control: 10c5387d Table: 1643804a DAC: 00000051 # [ 107.215715] Process cat (pid: 1801, stack limit = 0x5cbb8535) # [ 107.221468] Stack: (0xc6643e38 to 0xc6644000) # [ 107.225834] 3e20: 0000001f c5d96000 # [ 107.234019] 3e40: 0000000a c6643f60 c6643e64 c6643e58 c138e7c8 c138e5c4 c6643e74 c6643e68 # [ 107.242206] 3e60: c0c2f028 c138e7b0 c6643e9c c6643e78 c0c2f528 c0c2f008 c0c2f408 c5c04b40 # [ 107.250391] 3e80: b6e54000 0000000a c3022c00 c6643f60 c6643ec4 c6643ea0 c07f6038 c0c2f414 # [ 107.258576] 3ea0: 00000000 c5c04b40 b6e54000 c2816000 c6643f60 c07f5fd4 c6643f5c c6643ec8 # [ 107.266761] 3ec0: c0598ab8 c07f5fe0 00000001 00000000 c059904c c13a3de0 c059904c c6642000 # [ 107.274947] 3ee0: b6e54000 00020000 00000004 0000000a 0001fff6 c6643ee0 00000001 b6e53000 # [ 107.283132] 3f00: c5e28640 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 107.291317] 3f20: 00000000 00000000 c13a3de0 d9f204b4 c205cfa0 c5c04b40 c5c04b40 c6642000 # [ 107.299503] 3f40: b6e54000 00000000 00000000 00000004 c6643f94 c6643f60 c059904c c05989b8 # [ 107.307689] 3f60: 00000000 00000000 c6643fac d9f204b4 0000000a 0000000a b6f9be00 00000004 # [ 107.315875] 3f80: c03002e4 c6642000 c6643fa4 c6643f98 c05990dc c0598fe4 00000000 c6643fa8 # [ 107.324060] 3fa0: c03000c0 c05990d0 0000000a 0000000a 00000001 b6e54000 0000000a 00000000 # [ 107.332244] 3fc0: 0000000a 0000000a b6f9be00 00000004 00000001 00000000 00020000 bee32a54 # [ 107.340430] 3fe0: 00000004 bee32788 b6f064cf b6e8c7e6 800e0030 00000001 00000000 00000000 # [ 107.348610] Backtrace: # [ 107.351075] [] (execute_location) from [] (lkdtm_EXEC_DATA+0x24/0x28) # [ 107.359261] r7:c6643f60 r6:0000000a r5:c5d96000 r4:0000001f # [ 107.364935] [] (lkdtm_EXEC_DATA) from [] (lkdtm_do_action+0x2c/0x4c) # [ 107.373036] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 107.381057] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 107.388983] r9:c6643f60 r8:c3022c00 r7:0000000a r6:b6e54000 r5:c5c04b40 r4:c0c2f408 # [ 107.396740] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 107.404578] r9:c07f5fd4 r8:c6643f60 r7:c2816000 r6:b6e54000 r5:c5c04b40 r4:00000000 # [ 107.412331] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 107.419473] r10:00000004 r9:00000000 r8:00000000 r7:b6e54000 r6:c6642000 r5:c5c04b40 # [ 107.427306] r4:c5c04b40 # [ 107.429849] [] (ksys_write) from [] (sys_write+0x[ 107.920793] lkdtm: Performing direct entry EXEC_STACK 18/0x1c) # [ 107.436994] r9:c6[ 107.928225] lkdtm: attempting ok execution at c0c2fd98 642000 r8:c03002e4 r7:00000004 r6[ 107.936148] lkdtm: attempting bad execution at c59dde0c :b6f9be00 r5:0000000a r4:0000000a[ 107.944338] 8<--- cut here --- # [ 107.44[4 7 4190]7 .[9<5c0060] Unable to handle kernel paging request at virtual address c59dde0c 5990c4>] (sy[s _ w1r0i7t.e9)5 9f190] pgd = 2536c016 om [] (ret_fas[t _ s1y07.963803] [c59dde0c] *pgd=1581141e(bad) call+0x0/0x28) #[ [1 0 71.09770248] Internal error: Oops: 8000000d [#4] SMP ARM 452324] Exception stack(0xc6643fa[ 107.977550] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 8 to 0xc6643ff0) [# [1 0 81.009254] CPU: 3 PID: 1877 Comm: cat Tainted: G D W 5.10.155-cip20 #1 7.457383[] 31f0a80.:0 1 9 0 7 3] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 000[0 0 0100a8 .00027339] PC is at 0xc59dde0c 0000a 00000001 b6e54000 0[0 0 0108.032570] LR is at execute_location+0xa4/0xb4 00a 00000[0 0 01 0 8#. 0[3 9 5119] pc : [] lr : [] psr: 600e0013 7.465569] [3 f c100:8 .00040705020] sp : c59ddde8 ip : c59ddcf0 fp : c59dde04 0a 0000[0 0 100a8 .b065f495b6e50] r10: 0000000b r9 : c1ad0d68 r8 : c15e8634 00000004 000[0 0 010018 .000610440] r7 : c59ddf60 r6 : 00000001 r5 : c59dde0c r4 : c0c2fd98 0000 0002[0 0 0100 8b.e0e63928a75] r3 : 9924cb71 r2 : 9924cb71 r1 : ef7c05e0 r0 : 0000002b 4 # [ 107[. 4 7130785.10]7 831f6] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none e0: 00000[0 0 41 0b8e.e0382770898] Control: 10c5387d Table: 15f0004a DAC: 00000051 b6f064cf b6[e 8 c170e86. 0 9#4 572] Process cat (pid: 1877, stack limit = 0x9cb44680) 107.478812[] C1o0d8e.:1 0020226] Stack: (0xc59ddde8 to 0xc59de000) 00000 c2afb240 c2[a f b130080. 1c8495] dde0: c59dc000 c5c3d000 0000000b c59ddf60 c59dde64 c59dde08 2afb3c0 (e1a0c[0 0 d1)0 8 . 1#1 8752] de00: c138e804 c138e5c4 c59dde6c e1a0c00d e92dd800 e24cb004 e52de004 e8bd4000 107.484915] ---[[ e1n0d8 .t1r8925] de20: e89da800 e1a0c00d e92dd830 e24cb004 e52de004 e8bd4000 e3023374 e34c31b8 ace 3f0f7cd99f4[0 6 d170f8 .]1-3-183] de40: e3a02040 e3a01d33 e5930018 9924cb71 0000000b 00000020 c59dde74 c59dde68 - # EXEC_DATA:[ m i1s0s8i.n1g4 354] de60: c0c2f028 c138e7d8 c59dde9c c59dde78 c0c2f528 c0c2f008 c0c2f408 c62cba40 'call trace:': [[ F A1I0L8]. 1 5n525] de80: b6e16000 0000000b c3022c00 c59ddf60 c59ddec4 c59ddea0 c07f6038 c0c2f414 ot ok 30 selftes[t s :1 0l8k.d1t69697] dea0: 00000000 c62cba40 b6e16000 c2816000 c59ddf60 c07f5fd4 c59ddf5c c59ddec8 : EXEC_DATA.sh [# e1x0i8t.=117 955] dec0: c0598ab8 c07f5fe0 00000001 00000000 c059904c c13a3de0 c059904c c59dc000 # selftests: [l k d1t0m8:. 1E9X0126] dee0: b6e16000 00020000 00000004 0000000b 0001fff5 c59ddee0 00000001 b6e15000 C_STACK.sh [ 108.200298] df00: c6396c80 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 108.209516] df20: 00000000 00000000 c13a3de0 9924cb71 c205cfa0 c62cba40 c62cba40 c59dc000 [ 108.217701] df40: b6e16000 00000000 00000000 00000004 c59ddf94 c59ddf60 c059904c c05989b8 [ 108.225888] df60: 00000000 00000000 c59ddfac 9924cb71 0000000b 0000000b b6f5de00 00000004 [ 108.234073] df80: c03002e4 c59dc000 c59ddfa4 c59ddf98 c05990dc c0598fe4 00000000 c59ddfa8 [ 108.242257] dfa0: c03000c0 c05990d0 0000000b 0000000b 00000001 b6e16000 0000000b 00000000 [ 108.250443] dfc0: 0000000b 0000000b b6f5de00 00000004 00000001 00000000 00020000 bef24a54 [ 108.258627] dfe0: 00000004 bef24788 b6ec84cf b6e4e7e6 800e0030 00000001 00000000 00000000 [ 108.266806] Backtrace: [ 108.269271] [] (execute_location) from [] (lkdtm_EXEC_STACK+0x38/0x54) [ 108.277543] r7:c59ddf60 r6:0000000b r5:c5c3d000 r4:c59dc000 [ 108.283219] [] (lkdtm_EXEC_STACK) from [] (lkdtm_do_action+0x2c/0x4c) [ 108.291402] r4:00000020 [ 108.293948] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 108.301967] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 108.309893] r9:c59ddf60 r8:c3022c00 r7:0000000b r6:b6e16000 r5:c62cba40 r4:c0c2f408 [ 108.317651] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 108.325490] r9:c07f5fd4 r8:c59ddf60 r7:c2816000 r6:b6e16000 r5:c62cba40 r4:00000000 [ 108.333244] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 108.340388] r10:00000004 r9:00000000 r8:00000000 r7:b6e16000 r6:c59dc000 r5:c62cba40 [ 108.348221] r4:c62cba40 [ 108.350766] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 108.357910] r9:c59dc000 r8:c03002e4 r7:00000004 r6:b6f5de00 r5:0000000b r4:0000000b [ 108.365665] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 108.373241] Exception stack(0xc59ddfa8 to 0xc59ddff0) [ 108.378300] dfa0: 0000000b 0000000b 00000001 b6e16000 0000000b 00000000 [ 108.386485] dfc0: 0000000b 0000000b b6f5de00 00000004 00000001 00000000 00020000 bef24a54 [ 108.394668] dfe0: 00000004 bef24788 b6ec84cf b6e4e7e6 [ 108.399729] Code: c59dde08 c138e804 c138e5c4 c59dde6c (e1a0c00d) [ 108.405831] ---[ end trace 3f0f7cd99f406d80 ]--- # Segmentation fault # [ 107.920793] lkdtm: Performing direct entry EXEC_STACK # [ 107.928225] lkdtm: attempting ok execution at c0c2fd98 # [ 107.936148] lkdtm: attempting bad execution at c59dde0c # [ 107.944338] 8<--- cut here --- # [ 107.950060] Unable to handle kernel paging request at virtual address c59dde0c # [ 107.959190] pgd = 2536c016 # [ 107.963803] [c59dde0c] *pgd=1581141e(bad) # [ 107.970248] Internal error: Oops: 8000000d [#4] SMP ARM # [ 107.977550] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 108.009254] CPU: 3 PID: 1877 Comm: cat Tainted: G D W 5.10.155-cip20 #1 # [ 108.019073] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 108.027339] PC is at 0xc59dde0c # [ 108.032570] LR is at execute_location+0xa4/0xb4 # [ 108.039519] pc : [] lr : [] psr: 600e0013 # [ 108.047520] sp : c59ddde8 ip : c59ddcf0 fp : c59dde04 # [ 108.054565] r10: 0000000b r9 : c1ad0d68 r8 : c15e8634 # [ 108.061440] r7 : c59ddf60 r6 : 00000001 r5 : c59dde0c r4 : c0c2fd98 # [ 108.069873] r3 : 9924cb71 r2 : 9924cb71 r1 : ef7c05e0 r0 : 0000002b # [ 108.078136] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 108.087090] Control: 10c5387d Table: 15f0004a DAC: 00000051 # [ 108.094572] Process cat (pid: 1877, stack limit = 0x9cb44680) # [ 108.102226] Stack: (0xc59ddde8 to 0xc59de000) # [ 108.108495] dde0: c59dc000 c5c3d000 0000000b c59ddf60 c59dde64 c59dde08 # [ 108.118752] de00: c138e804 c138e5c4 c59dde6c e1a0c00d e92dd800 e24cb004 e52de004 e8bd4000 # [ 108.128925] de20: e89da800 e1a0c00d e92dd830 e24cb004 e52de004 e8bd4000 e3023374 e34c31b8 # [ 108.139183] de40: e3a02040 e3a01d33 e5930018 9924cb71 0000000b 00000020 c59dde74 c59dde68 # [ 108.149354] de60: c0c2f028 c138e7d8 c59dde9c c59dde78 c0c2f528 c0c2f008 c0c2f408 c62cba40 # [ 108.159525] de80: b6e16000 0000000b c3022c00 c59ddf60 c59ddec4 c59ddea0 c07f6038 c0c2f414 # [ 108.169697] dea0: 00000000 c62cba40 b6e16000 c2816000 c59ddf60 c07f5fd4 c59ddf5c c59ddec8 # [ 108.179955] dec0: c0598ab8 c07f5fe0 00000001 00000000 c059904c c13a3de0 c059904c c59dc000 # [ 108.190126] dee0: b6e16000 00020000 00000004 0000000b 0001fff5 c59ddee0 00000001 b6e15000 # [ 108.200298] df00: c6396c80 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 108.209516] df20: 00000000 00000000 c13a3de0 9924cb71 c205cfa0 c62cba40 c62cba40 c59dc000 # [ 108.217701] df40: b6e16000 00000000 00000000 00000004 c59ddf94 c59ddf60 c059904c c05989b8 # [ 108.225888] df60: 00000000 00000000 c59ddfac 9924cb71 0000000b 0000000b b6f5de00 00000004 # [ 108.234073] df80: c03002e4 c59dc000 c59ddfa4 c59ddf98 c05990dc c0598fe4 00000000 c59ddfa8 # [ 108.242257] dfa0: c03000c0 c05990d0 0000000b 0000000b 00000001 b6e16000 0000000b 00000000 # [ 108.250443] dfc0: 0000000b 0000000b b6f5de00 00000004 00000001 00000000 00020000 bef24a54 # [ 108.258627] dfe0: 00000004 bef24788 b6ec84cf b6e4e7e6 800e0030 00000001 00000000 00000000 # [ 108.266806] Backtrace: # [ 108.269271] [] (execute_location) from [] (lkdtm_EXEC_STACK+0x38/0x54) # [ 108.277543] r7:c59ddf60 r6:0000000b r5:c5c3d000 r4:c59dc000 # [ 108.283219] [] (lkdtm_EXEC_STACK) from [] (lkdtm_do_action+0x2c/0x4c) # [ 108.291402] r4:00000020 # [ 108.293948] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 108.301967] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 108.309893] r9:c59ddf60 r8:c3022c00 r7:0000000b r6:b6e16000 r5:c62cba40 r4:c0c2f408 # [ 108.317651] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 108.325490] r9:c07f5fd4 r8:c59ddf60 r7:c2816000 r6:b6e16000 r5:c62cba40 r4:0000[ 108.850233] lkdtm: Performing direct entry EXEC_KMALLOC 0000 # [ 108.333244] [] (vfs_write) from [] [ 108.865311] lkdtm: attempting bad execution at c60ccac0 (ksys_write+0x74/0xec) # [ 108.[ 108.873261] 8<--- cut here --- 340388] r10:000[0 0 010048 .r98:9121] Unable to handle kernel paging request at virtual address c60ccac0 00000000 r8:0000[0 0 0100 8r.78:88426] pgd = 395cce77 6e16000 r6:c59dc000 r5:c62cb[a 4 108.893212] [c60ccac0] *pgd=1601141e(bad) # [ 108.348221][ r1048:.c869829] Internal error: Oops: 8000000d [#5] SMP ARM 2cba40 # [ 108.350766] [] (ksys_write) f[r o m1 0[8<.c38836] CPU: 1 PID: 1956 Comm: cat Tainted: G D W 5.10.155-cip20 #1 05990dc>][ ( s1y0s8_.w9r4i8t7e4+] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 0x18/0x1c) # [ [1 0 81.0385.7997009] PC is at 0xc60ccac0 10] r9:c59dc000 r8:c0300[2 e 41 8.962238] LR is at execute_location+0xa4/0xb4 r7:0000000[4 r160:8b.69f659d1e88] pc : [] lr : [] psr: 600e0013 0 r5:0000[0 0 01b0 8r.49:70702070] sp : c5f0fe30 ip : c5f0fd38 fp : c5f0fe4c 000b # [[ 10180.89.8346253646 r10: 0000000d r9 : c1ad0d74 r8 : c15e8634 5] [ ]1 0(8s.y9s9_1w108] r7 : c5f0ff60 r6 : 00000001 r5 : c60ccac0 r4 : c0c2fd98 ite) from [[< c 0130080.09c909>5]3] r3 : 74ab7b01 r2 : 74ab7b01 r1 : ef7965e0 r0 : 0000002b (ret_fast_sy[s c a1l0l9+.00x007/92] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none 0x28) # [ [1 0 81.0397.301264914] Control: 10c5387d Table: 167ac04a DAC: 00000051 ] Exception [s t a1c0k9(.00x2c45501] Process cat (pid: 1956, stack limit = 0x9c2917d6) ddfa8 to [0 x c15099d.d0f3f201)5 ] Stack: (0xc5f0fe30 to 0xc5f10000) # [ 108.378300][ d f1a009:. 0 8249] fe20: c60ccac0 c5d96000 0000000d c5f0ff60 [ 0100090.00040507] fe40: c5f0fe64 c5f0fe50 c0c2fde8 c138e5c4 00000021 c5d96000 c5f0fe74 c5f0fe68 b 0000000b 00[0 0 0100091. 0b568e77] fe60: c0c2f028 c0c2fdbc c5f0fe9c c5f0fe78 c0c2f528 c0c2f008 c0c2f408 c5aeef00 16000 0000000b 0[0 0 0100090.00 68763] fe80: b6e0f000 0000000d c3022c00 c5f0ff60 c5f0fec4 c5f0fea0 c07f6038 c0c2f414 # [ 108.38648[5 ] 1d0f9c.00:7 9021] fea0: 00000000 c5aeef00 b6e0f000 c2816000 c5f0ff60 c07f5fd4 c5f0ff5c c5f0fec8 000000b 0000000b [b 6 f150d9e.0009194] fec0: c0598ab8 c07f5fe0 00000001 00000000 c059904c c13a3de0 c059904c c5f0e000 00000004 00000[0 0 11 0090.00090451] fee0: b6e0f000 00020000 00000004 0000000d 0001fff3 c5f0fee0 00000001 b6e0e000 000 00020000 b[e f 2140a95.41 0 9622] ff00: c5b13540 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 108.394668] d[f e 01:0 90.0109795] ff20: 00000000 00000000 c13a3de0 74ab7b01 c205cfa0 c5aeef00 c5aeef00 c5f0e000 00004 bef24788 [b 6 e1c0894.c1f3 052] ff40: b6e0f000 00000000 00000000 00000004 c5f0ff94 c5f0ff60 c059904c c05989b8 b6e4e7e6 # [ 1[0 8 .130999.71240226] ff60: 00000000 00000000 c5f0ffac 74ab7b01 0000000d 0000000d b6f56e00 00000004 ] Code: c59dde0[8 c110398.e1850483] ff80: c03002e4 c5f0e000 c5f0ffa4 c5f0ff98 c05990dc c0598fe4 00000000 c5f0ffa8 4 c138e5c4 c59d[d e 61c0 9(.e116a654] ffa0: c03000c0 c05990d0 0000000d 0000000d 00000001 b6e0f000 0000000d 00000000 0c00d) # [ 108[. 4 0150893.11]0828] ffc0: 0000000d 0000000d b6f56e00 00000004 00000001 00000000 00020000 be986a54 ---[ end trac[e 31f009f.71c8d1083] ffe0: 00000004 be986788 b6ec14cf b6e477e6 800e0030 00000001 00000000 00000000 9f406d80 ]--- [# E1X0E9C._1S9T249] Backtrace: ACK: missing 'call trace:'[: [109.195702] [] (execute_location) from [] (lkdtm_EXEC_KMALLOC+0x38/0x44) AIL] not ok 31 [s e l1f0t9e.s2t06650] r7:c5f0ff60 r6:0000000d r5:c5d96000 r4:c60ccac0 : lkdtm: EXEC_STACK.sh # ex[i t =09.214398] [] (lkdtm_EXEC_KMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) 1 # selft[e s t1s0:9 .l2k2d5t2m54] r5:c5d96000 r4:00000021 EXEC_KMALLOC.sh [ 109.230658] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 109.240225] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 109.248151] r9:c5f0ff60 r8:c3022c00 r7:0000000d r6:b6e0f000 r5:c5aeef00 r4:c0c2f408 [ 109.255910] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 109.263750] r9:c07f5fd4 r8:c5f0ff60 r7:c2816000 r6:b6e0f000 r5:c5aeef00 r4:00000000 [ 109.271505] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 109.278651] r10:00000004 r9:00000000 r8:00000000 r7:b6e0f000 r6:c5f0e000 r5:c5aeef00 [ 109.286485] r4:c5aeef00 [ 109.289031] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 109.296174] r9:c5f0e000 r8:c03002e4 r7:00000004 r6:b6f56e00 r5:0000000d r4:0000000d [ 109.303930] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 109.311505] Exception stack(0xc5f0ffa8 to 0xc5f0fff0) [ 109.316564] ffa0: 0000000d 0000000d 00000001 b6e0f000 0000000d 00000000 [ 109.324750] ffc0: 0000000d 0000000d b6f56e00 00000004 00000001 00000000 00020000 be986a54 [ 109.332935] ffe0: 00000004 be986788 b6ec14cf b6e477e6 [ 109.337997] Code: 00160017 00000000 00000000 00000000 (e1a0c00d) [ 109.344102] ---[ end trace 3f0f7cd99f406d81 ]--- # Segmentation fault # [ 108.850233] lkdtm: Performing direct entry EXEC_KMALLOC # [ 108.857227] lkdtm: attempting ok execution at c0c2fd98 # [ 108.865311] lkdtm: attempting bad execution at c60ccac0 # [ 108.873261] 8<--- cut here --- # [ 108.879121] Unable to handle kernel paging request at virtual address c60ccac0 # [ 108.888426] pgd = 395cce77 # [ 108.893212] [c60ccac0] *pgd=1601141e(bad) # [ 108.899829] Internal error: Oops: 8000000d [#5] SMP ARM # [ 108.907131] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 108.938836] CPU: 1 PID: 1956 Comm: cat Tainted: G D W 5.10.155-cip20 #1 # [ 108.948741] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 108.957009] PC is at 0xc60ccac0 # [ 108.962238] LR is at execute_location+0xa4/0xb4 # [ 108.969188] pc : [] lr : [] psr: 600e0013 # [ 108.977274] sp : c5f0fe30 ip : c5f0fd38 fp : c5f0fe4c # [ 108.984234] r10: 0000000d r9 : c1ad0d74 r8 : c15e8634 # [ 108.991108] r7 : c5f0ff60 r6 : 00000001 r5 : c60ccac0 r4 : c0c2fd98 # [ 108.999543] r3 : 74ab7b01 r2 : 74ab7b01 r1 : ef7965e0 r0 : 0000002b # [ 109.007892] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 109.016934] Control: 10c5387d Table: 167ac04a DAC: 00000051 # [ 109.024501] Process cat (pid: 1956, stack limit = 0x9c2917d6) # [ 109.032154] Stack: (0xc5f0fe30 to 0xc5f10000) # [ 109.038249] fe20: c60ccac0 c5d96000 0000000d c5f0ff60 # [ 109.048507] fe40: c5f0fe64 c5f0fe50 c0c2fde8 c138e5c4 00000021 c5d96000 c5f0fe74 c5f0fe68 # [ 109.058677] fe60: c0c2f028 c0c2fdbc c5f0fe9c c5f0fe78 c0c2f528 c0c2f008 c0c2f408 c5aeef00 # [ 109.068763] fe80: b6e0f000 0000000d c3022c00 c5f0ff60 c5f0fec4 c5f0fea0 c07f6038 c0c2f414 # [ 109.079021] fea0: 00000000 c5aeef00 b6e0f000 c2816000 c5f0ff60 c07f5fd4 c5f0ff5c c5f0fec8 # [ 109.089194] fec0: c0598ab8 c07f5fe0 00000001 00000000 c059904c c13a3de0 c059904c c5f0e000 # [ 109.099451] fee0: b6e0f000 00020000 00000004 0000000d 0001fff3 c5f0fee0 00000001 b6e0e000 # [ 109.109622] ff00: c5b13540 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 109.119795] ff20: 00000000 00000000 c13a3de0 74ab7b01 c205cfa0 c5aeef00 c5aeef00 c5f0e000 # [ 109.130052] ff40: b6e0f000 00000000 00000000 00000004 c5f0ff94 c5f0ff60 c059904c c05989b8 # [ 109.140226] ff60: 00000000 00000000 c5f0ffac 74ab7b01 0000000d 0000000d b6f56e00 00000004 # [ 109.150483] ff80: c03002e4 c5f0e000 c5f0ffa4 c5f0ff98 c05990dc c0598fe4 00000000 c5f0ffa8 # [ 109.160654] ffa0: c03000c0 c05990d0 0000000d 0000000d 00000001 b6e0f000 0000000d 00000000 # [ 109.170828] ffc0: 0000000d 0000000d b6f56e00 00000004 00000001 00000000 00020000 be986a54 # [ 109.181083] ffe0: 00000004 be986788 b6ec14cf b6e477e6 800e0030 00000001 00000000 00000000 # [ 109.191249] Backtrace: # [ 109.195702] [] (execute_location) from [] (lkdtm_EXEC_KMALLOC+0x38/0x44) # [ 109.206650] r7:c5f0ff60 r6:0000000d r5:c5d96000 r4:c60ccac0 # [ 109.214398] [] (lkdtm_EXEC_KMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) # [ 109.225254] r5:c5d96000 r4:00000021 # [ 109.230658] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 109.240225] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 109.248151] r9:c5f0ff60 r8:c3022c00 r7:0000000d r6:b6e0f000 r5:c5aeef00 r4:c0c2f408 # [ 109.255910] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 109.263750] r9:c07f5fd4 r8:c5f0ff60 r7:c2816000 r6:b6e0f000 r5:c5aeef00 r4:00000000 # [ 109.271505] [] (vfs_writ[ 109.794509] lkdtm: Performing direct entry EXEC_VMALLOC e) from [] (ksys_write+[ 109.800759] lkdtm: attempting ok execution at c0c2fd98 0x74/0xec) # [ 109.278651] r10[ 109.808928] lkdtm: attempting bad execution at f097b000 :00000004 r9:00000000 r8:00000000[ 109.816905] 8<--- cut here --- r7:b6e0f000 r6:c5f0e[0 0 01 0r95822757] Unable to handle kernel paging request at virtual address f097b000 :c5aeef00 # [ 109.286485] r4:c[ 109.832312] pgd = eb7116e8 5aeef00 # [ 109.289031] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 1[ 109.855046] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 09.296174] r9:c5f0e000[ r 81:0c.886759] CPU: 2 PID: 2033 Comm: cat Tainted: G D W 5.10.155-cip20 #1 03002e4 r7:[0 0 0100090.08946 8r38] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) :b6f56e00 r5:000000[0 d 1r049:.005193] PC is at 0xf097b000 000000d # [ 109.303930] [[ < c109.910509] LR is at execute_location+0xa4/0xb4 5990c4>] (sys_wr[i t e1)0 9f.r9o17548] pc : [] lr : [] psr: 600e0013 [][ ( r1e0t9_.f9a2s5t96] sp : c673fe30 ip : c673fd38 fp : c673fe4c _syscall+0[x 0 /100x92.89)3 3 02#] r10: 0000000d r9 : c1ad0d84 r8 : c15e8634 [ 109.311505] [E x c1e0p9t.i9o39992] r7 : c673ff60 r6 : 00000001 r5 : f097b000 r4 : c0c2fd98 stack(0xc5[f 0 f1f0a98. 9t4o8 600] r3 : 33286710 r2 : 33286710 r1 : ef7ab5e0 r0 : 0000002b xc5f0fff0) # [ [ 1 0190.93.19656950] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none 64] ffa0: [ 1 0 9 . 9 6 6167] Control: 10c5387d Table: 162f404a DAC: 00000051 0000000d 000[0 0 0100d9 .09073910] Process cat (pid: 2033, stack limit = 0xef16c51f) 00001 b6e0f000[ 0 0100090.0908d1737] Stack: (0xc673fe30 to 0xc6740000) 00000000 # [ 109.[3 2 4170590.]88093] fe20: f097b000 c66f4000 0000000d c673ff60 ffc0: 0000000d 0000[ 0 0100d9 .b98439] fe40: c673fe64 c673fe50 c0c2fe1c c138e5c4 00000022 c66f4000 c673fe74 c673fe68 6f56e00 00000004 0000[0 0 0111 0.008785] fe60: c0c2f028 c0c2fe00 c673fe9c c673fe78 c0c2f528 c0c2f008 c0c2f408 c61a2dc0 0000000 00020000 be[9 8 61a1504. 19216] fe80: b6dc8000 0000000d c3022c00 c673ff60 c673fec4 c673fea0 c07f6038 c0c2f414 # [ 109.332935[] f1f1e00.:0 29561] fea0: 00000000 c61a2dc0 b6dc8000 c2816000 c673ff60 c07f5fd4 c673ff5c c673fec8 0000004 be986788 b[6 e c11140c.f039822] fec0: c0598ab8 c07f5fe0 00000001 00000000 c059904c c13a3de0 c059904c c673e000 b6e477e6 # [ 109.3[3 7 919170].050167] fee0: b6dc8000 00020000 00000004 0000000d 0001fff3 c673fee0 00000001 b6dc7000 Code: 00160017 [0 0 0101000.0006 599] ff00: c62cbe00 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 (e1[a 0 c10100d070775] ff20: 00000000 00000000 c13a3de0 33286710 c205cfa0 c61a2dc0 c61a2dc0 c673e000 ) # [ 109.344102[] -1-1-0[. 81207] ff40: b6dc8000 00000000 00000000 00000004 c673ff94 c673ff60 c059904c c05989b8 end trace 3f0f7cd99f40[6 d 8111 0.091554] ff60: 00000000 00000000 c673ffac 33286710 0000000d 0000000d b6f0fe00 00000004 --- # EXEC_KMALLOC:[ m i1s1s0i.102072] ff80: c03002e4 c673e000 c673ffa4 c673ff98 c05990dc c0598fe4 00000000 c673ffa8 g 'call trace:': [F[A I L1]1 0 .n12503] ffa0: c03000c0 c05990d0 0000000d 0000000d 00000001 b6dc8000 0000000d 00000000 ot ok 32 selftests:[ l k1d1t0m.122849] ffc0: 0000000d 0000000d b6f0fe00 00000004 00000001 00000000 00020000 beaf0a54 EXEC_KMALLOC.sh # e[x i t1=110 .133195] ffe0: 00000004 beaf0788 b6e7a4cf b6e007e6 800e0030 00000001 00000000 00000000 # selftests: lkdtm:[ E X1E1C0_.V43619] Backtrace: MALLOC.sh [ 110.148253] [] (execute_location) from [] (lkdtm_EXEC_VMALLOC+0x28/0x34) [ 110.157635] r7:c673ff60 r6:0000000d r5:c66f4000 r4:f097b000 [ 110.163319] [] (lkdtm_EXEC_VMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) [ 110.171680] r5:c66f4000 r4:00000022 [ 110.175273] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 110.183298] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 110.191226] r9:c673ff60 r8:c3022c00 r7:0000000d r6:b6dc8000 r5:c61a2dc0 r4:c0c2f408 [ 110.198988] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 110.206831] r9:c07f5fd4 r8:c673ff60 r7:c2816000 r6:b6dc8000 r5:c61a2dc0 r4:00000000 [ 110.214589] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 110.221737] r10:00000004 r9:00000000 r8:00000000 r7:b6dc8000 r6:c673e000 r5:c61a2dc0 [ 110.229572] r4:c61a2dc0 [ 110.232122] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 110.239270] r9:c673e000 r8:c03002e4 r7:00000004 r6:b6f0fe00 r5:0000000d r4:0000000d [ 110.247029] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 110.254605] Exception stack(0xc673ffa8 to 0xc673fff0) [ 110.259669] ffa0: 0000000d 0000000d 00000001 b6dc8000 0000000d 00000000 [ 110.267858] ffc0: 0000000d 0000000d b6f0fe00 00000004 00000001 00000000 00020000 beaf0a54 [ 110.276047] ffe0: 00000004 beaf0788 b6e7a4cf b6e007e6 [ 110.281116] Code: bad PC value [ 110.284279] ---[ end trace 3f0f7cd99f406d82 ]--- # Segmentation fault # [ 109.794509] lkdtm: Performing direct entry EXEC_VMALLOC # [ 109.800759] lkdtm: attempting ok execution at c0c2fd98 # [ 109.808928] lkdtm: attempting bad execution at f097b000 # [ 109.816905] 8<--- cut here --- # [ 109.822757] Unable to handle kernel paging request at virtual address f097b000 # [ 109.832312] pgd = eb7116e8 # [ 109.837895] [f097b000] *pgd=1294b811, *pte=493da65f, *ppte=493da45f # [ 109.847008] Internal error: Oops: 8000000f [#6] SMP ARM # [ 109.855046] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 109.886759] CPU: 2 PID: 2033 Comm: cat Tainted: G D W 5.10.155-cip20 #1 # [ 109.896838] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 109.905193] PC is at 0xf097b000 # [ 109.910509] LR is at execute_location+0xa4/0xb4 # [ 109.917548] pc : [] lr : [] psr: 600e0013 # [ 109.925896] sp : c673fe30 ip : c673fd38 fp : c673fe4c # [ 109.933029] r10: 0000000d r9 : c1ad0d84 r8 : c15e8634 # [ 109.939992] r7 : c673ff60 r6 : 00000001 r5 : f097b000 r4 : c0c2fd98 # [ 109.948600] r3 : 33286710 r2 : 33286710 r1 : ef7ab5e0 r0 : 0000002b # [ 109.956950] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 109.966167] Control: 10c5387d Table: 162f404a DAC: 00000051 # [ 109.973910] Process cat (pid: 2033, stack limit = 0xef16c51f) # [ 109.981737] Stack: (0xc673fe30 to 0xc6740000) # [ 109.988093] fe20: f097b000 c66f4000 0000000d c673ff60 # [ 109.998439] fe40: c673fe64 c673fe50 c0c2fe1c c138e5c4 00000022 c66f4000 c673fe74 c673fe68 # [ 110.008785] fe60: c0c2f028 c0c2fe00 c673fe9c c673fe78 c0c2f528 c0c2f008 c0c2f408 c61a2dc0 # [ 110.019216] fe80: b6dc8000 0000000d c3022c00 c673ff60 c673fec4 c673fea0 c07f6038 c0c2f414 # [ 110.029561] fea0: 00000000 c61a2dc0 b6dc8000 c2816000 c673ff60 c07f5fd4 c673ff5c c673fec8 # [ 110.039822] fec0: c0598ab8 c07f5fe0 00000001 00000000 c059904c c13a3de0 c059904c c673e000 # [ 110.050167] fee0: b6dc8000 00020000 00000004 0000000d 0001fff3 c673fee0 00000001 b6dc7000 # [ 110.060599] ff00: c62cbe00 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 110.070775] ff20: 00000000 00000000 c13a3de0 33286710 c205cfa0 c61a2dc0 c61a2dc0 c673e000 # [ 110.081207] ff40: b6dc8000 00000000 00000000 00000004 c673ff94 c673ff60 c059904c c05989b8 # [ 110.091554] ff60: 00000000 00000000 c673ffac 33286710 0000000d 0000000d b6f0fe00 00000004 # [ 110.102072] ff80: c03002e4 c673e000 c673ffa4 c673ff98 c05990dc c0598fe4 00000000 c673ffa8 # [ 110.112503] ffa0: c03000c0 c05990d0 0000000d 0000000d 00000001 b6dc8000 0000000d 00000000 # [ 110.122849] ffc0: 0000000d 0000000d b6f0fe00 00000004 00000001 00000000 00020000 beaf0a54 # [ 110.133195] ffe0: 00000004 beaf0788 b6e7a4cf b6e007e6 800e0030 00000001 00000000 00000000 # [ 110.143619] Backtrace: # [ 110.148253] [] (execute_location) from [] (lkdtm_EXEC_VMALLOC+0x28/0x34) # [ 110.157635] r7:c673ff60 r6:0000000d r5:c66f4000 r4:f097b000 # [ 110.163319] [] (lkdtm_EXEC_VMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) # [ 110.171680] r5:c66f4000 r4:00000022 # [ 110.175273] [] (lkdtm_do_action) from [][ 110.679195] lkdtm: Performing direct entry EXEC_RODATA (direct_entry+0x120/0x18c) # [ [ 110.685694] lkdtm: attempting ok execution at c0c2fd98 110.183298] [] (direct[ 110.693515] lkdtm: attempting bad execution at c15e88d0 _entry) from [] (full_p[ 110.701577] 8<--- cut here --- roxy_write+0x64/0x94)[ #1 1[0 707479] Unable to handle kernel paging request at virtual address c15e88d0 110.191226] r9:c[6 7 31f1f06.0716965] pgd = 75b2d9a4 r8:c3022c00 r7:0000000d r6:b6dc80[ 110.721849] [c15e88d0] *pgd=1141941e(bad) 00 r5:c61a2dc0 r4:c0c2f408 # [[ 110.728739] Internal error: Oops: 8000000d [#7] SMP ARM 110.198988] [] (full_p[ 110.736653] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 roxy_write) from [] ([ 110.768372] CPU: 3 PID: 2110 Comm: cat Tainted: G D W 5.10.155-cip20 #1 fs_write+0x10c/0x[5 2 41)1 0 .#7 8803] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 110.206831] r9:c07f5fd4 r8:c6[ 110.787439] PC is at lkdtm_rodata_do_nothing+0x0/0x10 73ff60 r7:c2816000 r6:b6dc8000 r[ 110.795359] LR is at execute_location+0xa4/0xb4 :c61a2dc0 r4:00000000 [ # 1[1 0.802663] pc : [] lr : [] psr: 600e0013 110.214589] [[< c 0151908.98a1c1>76] sp : c67dfe38 ip : 00000027 fp : c67dfe54 ] (vfs_write) fr[o m1 1[0<.c8015419] r10: 0000000c r9 : c1ad0d94 r8 : c15e8634 9904c>] (ksys_wri[t e +101x07.48/5650] r7 : c67dff60 r6 : 00000000 r5 : c15e88d0 r4 : c0c2fd98 0xec) # [ 110.2[2 1 713170]. 8 4268] r3 : 270a723a r2 : 270a723a r1 : ef7c05e4 r0 : 0000002b r10:00000004 r9:00000000 r8[: 0 010.842891] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none 000000 r7:b6dc8000[ r 61:1c06.7852544] Control: 10c5387d Table: 159e404a DAC: 00000051 e000 r5:c61a2dc0 [# [1 1 01.1860468] Process cat (pid: 2110, stack limit = 0x10d12bef) .229572] r4:c61a2dc0[ #1 1[0 868394] Stack: (0xc67dfe38 to 0xc67e0000) 110.232122] [][ (1k10.875018] fe20: 00000023 c5c48000 ys_write) from [] (s[y 110.885637] fe40: 0000000c c67dff60 c67dfe64 c67dfe58 c138e844 c138e5c4 c67dfe74 c67dfe68 _write+0x18/0x1c) # [ 110.23[9 110.896511] fe60: c0c2f028 c138e82c c67dfe9c c67dfe78 c0c2f528 c0c2f008 c0c2f408 c5e29040 70] r9:c673e000 r8:c03002e4 r[7 110.907385] fe80: b6e00000 0000000c c3022c00 c67dff60 c67dfec4 c67dfea0 c07f6038 c0c2f414 00000004 r6:b6f0fe00 r5:00000[ 0 110.918258] fea0: 00000000 c5e29040 b6e00000 c2816000 c67dff60 c07f5fd4 c67dff5c c67dfec8 d r4:0000000d # [ 110.247029[] 110.929046] fec0: c0598ab8 c07f5fe0 00000001 00000000 c059904c c2d731e4 c059904c c67de000 [] (sys_write) from [[< 110.939920] fee0: b6e00000 00020000 00000004 0000000c 0001fff4 c67dfee0 00000001 00000805 c03000c0>] (ret_fast_syscal[l + 010.950793] ff00: c61a3e00 00000000 00000000 00000000 00000000 00000000 00000000 00000000 x0/0x28) # [ 110.254605] Ex[c e110.961495] ff20: 00000000 00000000 c67de000 270a723a b6dff000 c5e29040 c5e29040 c67de000 ption stack(0xc673ffa8 to 0[x c 610.972281] ff40: b6e00000 00000000 00000000 00000004 c67dff94 c67dff60 c059904c c05989b8 73fff0) # [ 110.259669] [f f a110.982983] ff60: 00000000 00000000 c67dffac 270a723a 0000000c 0000000c b6f47e00 00000004 : 0000000d [0 0110.993684] ff80: c03002e4 c67de000 c67dffa4 c67dff98 c05990dc c0598fe4 00000000 c67dffa8 00000d 00000001 b6dc8000 00[0 0 011.004471] ffa0: c03000c0 c05990d0 0000000c 0000000c 00000001 b6e00000 0000000c 00000000 00d 00000000 # [ 110.267858[] 111.015173] ffc0: 0000000c 0000000c b6f47e00 00000004 00000001 00000000 00020000 beedca54 ffc0: 0000000d 0000000d b6f0f[e 0111.025960] ffe0: 00000004 beedc788 b6eb24cf b6e387e6 800e0030 00000001 00000000 00000000 0 00000004 00000001 00000000 0[0 111.036735] Backtrace: 20000 beaf0a54 # [ 110.276047] [ 111.041903] [] (execute_location) from [] (lkdtm_EXEC_RODATA+0x24/0x28) ffe0: 00000004 beaf0788 b6e7a4c[f 111.053113] r7:c67dff60 r6:0000000c r5:c5c48000 r4:00000023 b6e007e6 # [ 110.281116] Code:[ 111.061487] [] (lkdtm_EXEC_RODATA) from [] (lkdtm_do_action+0x2c/0x4c) bad PC value # [ 110.284279] -[ 111.072612] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) --[ end trace 3f0f7cd99f406d82 ]-[ 111.083490] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) -- # EXEC_VMALLOC: missing 'c[a 111.094266] r9:c67dff60 r8:c3022c00 r7:0000000c r6:b6e00000 r5:c5e29040 r4:c0c2f408 l trace:': [FAIL] not ok 33 self[ 111.104718] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) tests: lkdtm: EXEC_VMALLOC.sh # [ 111.115408] r9:c07f5fd4 r8:c67dff60 r7:c2816000 r6:b6e00000 r5:c5e29040 r4:00000000 xit=1 # selftests: lkdtm: EXEC_[ 111.125936] [] (vfs_write) from [] (ksys_write+0x74/0xec) ODATA.sh [ 111.135853] r10:00000004 r9:00000000 r8:00000000 r7:b6e00000 r6:c67de000 r5:c5e29040 [ 111.144546] r4:c5e29040 [ 111.147117] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 111.154284] r9:c67de000 r8:c03002e4 r7:00000004 r6:b6f47e00 r5:0000000c r4:0000000c [ 111.162066] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 111.169658] Exception stack(0xc67dffa8 to 0xc67dfff0) [ 111.174740] ffa0: 0000000c 0000000c 00000001 b6e00000 0000000c 00000000 [ 111.182947] ffc0: 0000000c 0000000c b6f47e00 00000004 00000001 00000000 00020000 beedca54 [ 111.191148] ffe0: 00000004 beedc788 b6eb24cf b6e387e6 [ 111.196231] Code: 5f727563 6e756f63 00000074 aa55aa55 (e1a0c00d) [ 111.202359] ---[ end trace 3f0f7cd99f406d83 ]--- # Segmentation fault # [ 110.679195] lkdtm: Performing direct entry EXEC_RODATA # [ 110.685694] lkdtm: attempting ok execution at c0c2fd98 # [ 110.693515] lkdtm: attempting bad execution at c15e88d0 # [ 110.701577] 8<--- cut here --- # [ 110.707479] Unable to handle kernel paging request at virtual address c15e88d0 # [ 110.716965] pgd = 75b2d9a4 # [ 110.721849] [c15e88d0] *pgd=1141941e(bad) # [ 110.728739] Internal error: Oops: 8000000d [#7] SMP ARM # [ 110.736653] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 110.768372] CPU: 3 PID: 2110 Comm: cat Tainted: G D W 5.10.155-cip20 #1 # [ 110.778803] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 110.787439] PC is at lkdtm_rodata_do_nothing+0x0/0x10 # [ 110.795359] LR is at execute_location+0xa4/0xb4 # [ 110.802663] pc : [] lr : [] psr: 600e0013 # [ 110.811276] sp : c67dfe38 ip : 00000027 fp : c67dfe54 # [ 110.818419] r10: 0000000c r9 : c1ad0d94 r8 : c15e8634 # [ 110.825650] r7 : c67dff60 r6 : 00000000 r5 : c15e88d0 r4 : c0c2fd98 # [ 110.834268] r3 : 270a723a r2 : 270a723a r1 : ef7c05e4 r0 : 0000002b # [ 110.842891] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 110.852544] Control: 10c5387d Table: 159e404a DAC: 00000051 # [ 110.860468] Process cat (pid: 2110, stack limit = 0x10d12bef) # [ 110.868394] Stack: (0xc67dfe38 to 0xc67e0000) # [ 110.875018] fe20: 00000023 c5c48000 # [ 110.885637] fe40: 0000000c c67dff60 c67dfe64 c67dfe58 c138e844 c138e5c4 c67dfe74 c67dfe68 # [ 110.896511] fe60: c0c2f028 c138e82c c67dfe9c c67dfe78 c0c2f528 c0c2f008 c0c2f408 c5e29040 # [ 110.907385] fe80: b6e00000 0000000c c3022c00 c67dff60 c67dfec4 c67dfea0 c07f6038 c0c2f414 # [ 110.918258] fea0: 00000000 c5e29040 b6e00000 c2816000 c67dff60 c07f5fd4 c67dff5c c67dfec8 # [ 110.929046] fec0: c0598ab8 c07f5fe0 00000001 00000000 c059904c c2d731e4 c059904c c67de000 # [ 110.939920] fee0: b6e00000 00020000 00000004 0000000c 0001fff4 c67dfee0 00000001 00000805 # [ 110.950793] ff00: c61a3e00 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 110.961495] ff20: 00000000 00000000 c67de000 270a723a b6dff000 c5e29040 c5e29040 c67de000 # [ 110.972281] ff40: b6e00000 00000000 00000000 00000004 c67dff94 c67dff60 c059904c c05989b8 # [ 110.982983] ff60: 00000000 00000000 c67dffac 270a723a 0000000c 0000000c b6f47e00 00000004 # [ 110.993684] ff80: c03002e4 c67de000 c67dffa4 c67dff98 c05990dc c0598fe4 00000000 c67dffa8 # [ 111.004471] ffa0: c03000c0 c05990d0 0000000c 0000000c 00000001 b6e00000 0000000c 00000000 # [ 111.015173] ffc0: 0000000c 0000000c b6f47e00 00000004 00000001 00000000 00020000 beedca54 # [ 111.025960] ffe0: 00000004 beedc788 b6eb24cf b6e387e6 800e0030 00000001 00000000 00000000 # [ 111.036735] Backtrace: # [ 111.041903] [] (execute_location) from [] (lkdtm_EXEC_RODATA+0x24/0x28) # [ 111.053113] r7:c67dff60 r6:0000000c r5:c5c48000 r4:00000023 # [ 111.061487] [] (lkdtm_EXEC_RODATA) from [] (lkdtm_do_action+0x2c/0x4c) # [ 111.072612] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 111.083490] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 111.094266] r9:c67dff60 r8:c3022c00 r7:0000000c r6:b6e00000 r5:c5e29040 r4:c0c2f408 # [ 111.104718] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 111.115408] r9:c07f5fd4 r8:c67dff60 r7:c2816000 r6:b6e00000 r5:c5e29040 r4:00000000 # [ 111.125936] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 111.135853] r10:00000004 r9:00000000 r8:00000000 r7:b6e00000 r6:c67de000 r5:c5e29040 # [ 111.144546] r4:c5e29040 # [ 1[ 111.672803] lkdtm: Performing direct entry EXEC_USERSPACE 11.147117] [] (ksys_wri[ 111.679625] lkdtm: attempting ok execution at c0c2fd98 te) from [] (sys_write+[ 111.687821] lkdtm: attempting bad execution at b6fda000 0x18/0x1c) # [ 111.154284] r9:[ 111.695848] Unhandled prefetch abort: page domain fault (0x00b) at 0xb6fda000 [ 111.705796] Internal error: : b [#8] SMP ARM [ 111.710089] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 [ 111.739390] CPU: 0 PID: 2186 Comm: cat Tainted: G D W 5.10.155-cip20 #1 [ 111.747155] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 111.753712] PC is at 0xb6fda000 [ 111.756889] LR is at lkdtm_EXEC_USERSPACE+0xc4/0xd4 [ 111.761790] pc : [] lr : [] psr: 600e0013 [ 111.768080] sp : c6487e48 ip : c6487d50 fp : c6487e64 [ 111.773325] r10: 0000000f r9 : c1ad0da0 r8 : c15e8634 [ 111.778575] r7 : c6487f60 r6 : 0000000f r5 : c5e6c000 r4 : b6fda000 [ 111.785126] r3 : 01ae4705 r2 : 01ae4705 r1 : ef7815e0 r0 : 0000002b [ 111.791678] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 111.798836] Control: 10c5387d Table: 159e004a DAC: 00000051 [ 111.804607] Process cat (pid: 2186, stack limit = 0x18786951) [ 111.810380] Stack: (0xc6487e48 to 0xc6488000) [ 111.814770] 7e40: 00000001 00000000 0000000f 00000024 c6487e74 c6487e68 [ 111.822979] 7e60: c0c2f028 c0c2fe34 c6487e9c c6487e78 c0c2f528 c0c2f008 c0c2f408 c5a868c0 [ 111.831189] 7e80: b6e94000 0000000f c3022c00 c6487f60 c6487ec4 c6487ea0 c07f6038 c0c2f414 [ 111.839397] 7ea0: 00000000 c5a868c0 b6e94000 c2816000 c6487f60 c07f5fd4 c6487f5c c6487ec8 [ 111.847608] 7ec0: c0598ab8 c07f5fe0 00000001 00000000 c059904c c13a3de0 c059904c c6486000 [ 111.855815] 7ee0: b6e94000 00020000 00000004 0000000f 0001fff1 c6487ee0 00000001 b6e93000 [ 111.864021] 7f00: c5a89180 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 111.872230] 7f20: 00000000 00000000 c13a3de0 01ae4705 c205cfa0 c5a868c0 c5a868c0 c6486000 [ 111.880438] 7f40: b6e94000 00000000 00000000 00000004 c6487f94 c6487f60 c059904c c05989b8 [ 111.888645] 7f60: 00000000 00000000 c6487fac 01ae4705 0000000f 0000000f b6fdbe00 00000004 [ 111.896852] 7f80: c03002e4 c6486000 c6487fa4 c6487f98 c05990dc c0598fe4 00000000 c6487fa8 [ 111.905059] 7fa0: c03000c0 c05990d0 0000000f 0000000f 00000001 b6e94000 0000000f 00000000 [ 111.913265] 7fc0: 0000000f 0000000f b6fdbe00 00000004 00000001 00000000 00020000 beae5a54 [ 111.921473] 7fe0: 00000004 beae5788 b6f464cf b6ecc7e6 800e0030 00000001 00000000 00000000 [ 111.929666] Backtrace: [ 111.932177] [] (lkdtm_EXEC_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) [ 111.940725] r4:00000024 [ 111.943299] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 111.951348] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 111.959299] r9:c6487f60 r8:c3022c00 r7:0000000f r6:b6e94000 r5:c5a868c0 r4:c0c2f408 [ 111.967083] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 111.974945] r9:c07f5fd4 r8:c6487f60 r7:c2816000 r6:b6e94000 r5:c5a868c0 r4:00000000 [ 111.982725] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 111.989891] r10:00000004 r9:00000000 r8:00000000 r7:b6e94000 r6:c6486000 r5:c5a868c0 [ 111.997742] r4:c5a868c0 [ 112.000311] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 112.007476] r9:c6486000 r8:c03002e4 r7:00000004 r6:b6fdbe00 r5:0000000f r4:0000000f [ 112.015259] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 112.022852] Exception stack(0xc6487fa8 to 0xc6487ff0) [ 112.027937] 7fa0: 0000000f 0000000f 00000001 b6e94000 0000000f 00000000 [ 112.036148] 7fc0: 0000000f 0000000f b6fdbe00 00000004 00000001 00000000 00020000 beae5a54 [ 112.044352] 7fe0: 00000004 beae5788 b6f464cf b6ecc7e6 [ 112.049441] Code: bad PC value [ 112.052534] ---[ end trace 3f0f7cd99f406d84 ]--- c67de000 r8:c03002e4 r7:00000004 r6:b6f47e00 r5:0000000c r4:0000000c # [ 111.162066] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 111.169658] Exception stack(0xc67dffa8 to 0xc67dfff0) # [ 111.174740] ffa0: 0000000c 0000000c 00000001 b6e00000 0000000c 00000000 # [ 111.182947] ffc0: 0000000c 0000000c b6f47e00 00000004 00000001 00000000 00020000 beedca54 # [ 111.191148] ffe0: 00000004 beedc788 b6eb24cf b6e387e6 # [ 111.196231] Code: 5f727563 6e756f63 00000074 aa55aa55 (e1a0c00d) # [ 111.202359] ---[ end trace 3f0f7cd99f406d83 ]--- # EXEC_RODATA: missing 'call trace:': [FAIL] not ok 34 selftests: lkdtm: EXEC_RODATA.sh # exit=1 # selftests: lkdtm: EXEC_USERSPACE.sh # Segmentation fault # [ 111.672803] lkdtm: Performing direct entry EXEC_USERSPACE # [ 111.679625] lkdtm: attempting ok execution at c0c2fd98 # [ 111.687821] lkdtm: attempting bad execution at b6fda000 # [ 111.695848] Unhandled prefetch abort: page domain fault (0x00b) at 0xb6fda000 # [ 111.705796] Internal error: : b [#8] SMP ARM # [ 111.710089] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 111.739390] CPU: 0 PID: 2186 Comm: cat Tainted: G D W 5.10.155-cip20 #1 # [ 111.747155] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 111.753712] PC is at 0xb6fda000 # [ 111.756889] LR is at lkdtm_EXEC_USERSPACE+0xc4/0xd4 # [ 111.761790] pc : [] lr : [] psr: 600e0013 # [ 111.768080] sp : c6487e48 ip : c6487d50 fp : c6487e64 # [ 111.773325] r10: 0000000f r9 : c1ad0da0 r8 : c15e8634 # [ 111.778575] r7 : c6487f60 r6 : 0000000f r5 : c5e6c000 r4 : b6fda000 # [ 111.785126] r3 : 01ae4705 r2 : 01ae4705 r1 : ef7815e0 r0 : 0000002b # [ 111.791678] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 111.798836] Control: 10c5387d Table: 159e004a DAC: 00000051 # [ 111.804607] Process cat (pid: 2186, stack limit = 0x18786951) # [ 111.810380] Stack: (0xc6487e48 to 0xc6488000) # [ 111.814770] 7e40: 00000001 00000000 0000000f 00000024 c6487e74 c6487e68 # [ 111.822979] 7e60: c0c2f028 c0c2fe34 c6487e9c c6487e78 c0c2f528 c0c2f008 c0c2f408 c5a868c0 # [ 111.831189] 7e80: b6e94000 0000000f c3022c00 c6487f60 c6487ec4 c6487ea0 c07f6038 c0c2f414 # [ 111.839397] 7ea0: 00000000 c5a868c0 b6e94000 c2816000 c6487f60 c07f5fd4 c6487f5c c6487ec8 # [ 111.847608] 7ec0: c0598ab8 c07f5fe0 00000001 00000000 c059904c c13a3de0 c059904c c6486000 # [ 111.855815] 7ee0: b6e94000 00020000 00000004 0000000f 0001fff1 c6487ee0 00000001 b6e93000 # [ 111.864021] 7f00: c5a89180 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 111.872230] 7f20: 00000000 00000000 c13a3de0 01ae4705 c205cfa0 c5a868c0 c5a868c0 c6486000 # [ 111.880438] 7f40: b6e94000 00000000 00000000 00000004 c6487f94 c6487f60 c059904c c05989b8 # [ 111.888645] 7f60: 00000000 00000000 c6487fac 01ae4705 0000000f 0000000f b6fdbe00 00000004 # [ 111.896852] 7f80: c03002e4 c6486000 c6487fa4 c6487f98 c05990dc c0598fe4 00000000 c6487fa8 # [ 111.905059] 7fa0: c03000c0 c05990d0 0000000f 0000000f 00000001 b6e94000 0000000f 00000000 # [ 111.913265] 7fc0: 0000000f 0000000f b6fdbe00 00000004 00000001 00000000 00020000 beae5a54 # [ 111.921473] 7fe0: 00000004 beae5788 b6f464cf b6ecc7e6 800e0030 00000001 00000000 00000000 # [ 111.929666] Backtrace: # [ 111.932177] [] (lkdtm_EXEC_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 111.940725] r4:00000024 # [ 111.943299] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 111.951348] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 111.959299] r9:c6487f60 r8:c3022c00 r7:0000000f r6:b6e94000 r5:c5a868c0 r4:c0c2f408 # [ 111.967083] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 111.974945] r9:c07f5fd4 r8:c6487f60 r7:c2816000 r6:b6e94000 r5:c5a868c0 r4:00000000 # [ 111.982725] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 111.989891] r10:00000004 r9:00000000 r8:00000000 r7:b6e94000 r6:c6486000 r5:c5a868c0 # [ 111.997742] r4:c5a868c0 # [ 112.000311] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 112.007476] r9:c6486000 r8:c03002e4 r7:00000004 r6[ 112.504593] lkdtm: Performing direct entry EXEC_NULL :b6fdbe00 r5:0000000f r4:0000000f[ 112.511596] lkdtm: attempting ok execution at c0c2fd98 # [ 112.015259] [] ([ 112.519645] lkdtm: attempting bad execution at 00000000 sys_write) from [] (ret[ 112.528839] 8<--- cut here --- _fast_syscall+0x0/0x28) # [ 112[ 112.533748] Unable to handle kernel NULL pointer dereference at virtual address 00000000 .022852] Exception stack(0xc6487f[ 112.544705] pgd = 1a91b3e8 a8 to 0xc6487ff0) # [ 112.02793[ 112.550271] [00000000] *pgd=00000000 7] 7fa0: 000000[ 112.556739] Internal error: Oops: 80000005 [#9] SMP ARM [ 112.564786] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 [ 112.593825] CPU: 0 PID: 2257 Comm: cat Tainted: G D W 5.10.155-cip20 #1 [ 112.601573] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 112.608112] PC is at 0x0 [ 112.610658] LR is at execute_location+0xa4/0xb4 [ 112.615194] pc : [<00000000>] lr : [] psr: 600e0013 [ 112.621466] sp : c65bfe38 ip : c65bfd40 fp : c65bfe54 [ 112.626696] r10: 0000000a r9 : c1ad0db0 r8 : c15e8634 [ 112.631925] r7 : c65bff60 r6 : 00000000 r5 : 00000000 r4 : c0c2fd98 [ 112.638457] r3 : e06977f4 r2 : e06977f4 r1 : ef7815e0 r0 : 0000002b [ 112.644990] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 112.652130] Control: 10c5387d Table: 1681004a DAC: 00000051 [ 112.657881] Process cat (pid: 2257, stack limit = 0x55a09625) [ 112.663633] Stack: (0xc65bfe38 to 0xc65c0000) [ 112.667997] fe20: 00000025 c6038000 [ 112.676183] fe40: 0000000a c65bff60 c65bfe64 c65bfe58 c138e868 c138e5c4 c65bfe74 c65bfe68 [ 112.684368] fe60: c0c2f028 c138e854 c65bfe9c c65bfe78 c0c2f528 c0c2f008 c0c2f408 c5a86640 [ 112.692552] fe80: b6dc1000 0000000a c3022c00 c65bff60 c65bfec4 c65bfea0 c07f6038 c0c2f414 [ 112.700736] fea0: 00000000 c5a86640 b6dc1000 c2816000 c65bff60 c07f5fd4 c65bff5c c65bfec8 [ 112.708923] fec0: c0598ab8 c07f5fe0 00000001 00000000 c059904c c13a3de0 c059904c c65be000 [ 112.717107] fee0: b6dc1000 00020000 00000004 0000000a 0001fff6 c65bfee0 00000001 b6dc0000 [ 112.725291] ff00: c61a2a00 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 112.733477] ff20: 00000000 00000000 c13a3de0 e06977f4 c205cfa0 c5a86640 c5a86640 c65be000 [ 112.741661] ff40: b6dc1000 00000000 00000000 00000004 c65bff94 c65bff60 c059904c c05989b8 [ 112.749847] ff60: 00000000 00000000 c65bffac e06977f4 0000000a 0000000a b6f08e00 00000004 [ 112.758031] ff80: c03002e4 c65be000 c65bffa4 c65bff98 c05990dc c0598fe4 00000000 c65bffa8 [ 112.766215] ffa0: c03000c0 c05990d0 0000000a 0000000a 00000001 b6dc1000 0000000a 00000000 [ 112.774400] ffc0: 0000000a 0000000a b6f08e00 00000004 00000001 00000000 00020000 be99ba54 [ 112.782585] ffe0: 00000004 be99b788 b6e734cf b6df97e6 800e0030 00000001 00000000 00000000 [ 112.790764] Backtrace: [ 112.793228] [] (execute_location) from [] (lkdtm_EXEC_NULL+0x20/0x24) [ 112.801414] r7:c65bff60 r6:0000000a r5:c6038000 r4:00000025 [ 112.807091] [] (lkdtm_EXEC_NULL) from [] (lkdtm_do_action+0x2c/0x4c) [ 112.815194] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 112.823213] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 112.831139] r9:c65bff60 r8:c3022c00 r7:0000000a r6:b6dc1000 r5:c5a86640 r4:c0c2f408 [ 112.838897] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 112.846736] r9:c07f5fd4 r8:c65bff60 r7:c2816000 r6:b6dc1000 r5:c5a86640 r4:00000000 [ 112.854488] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 112.861632] r10:00000004 r9:00000000 r8:00000000 r7:b6dc1000 r6:c65be000 r5:c5a86640 [ 112.869466] r4:c5a86640 [ 112.872010] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 112.879153] r9:c65be000 r8:c03002e4 r7:00000004 r6:b6f08e00 r5:0000000a r4:0000000a [ 112.886909] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 112.894483] Exception stack(0xc65bffa8 to 0xc65bfff0) [ 112.899543] ffa0: 0000000a 0000000a 00000001 b6dc1000 0000000a 00000000 [ 112.907728] ffc0: 0000000a 0000000a b6f08e00 00000004 00000001 00000000 00020000 be99ba54 [ 112.915911] ffe0: 00000004 be99b788 b6e734cf b6df97e6 [ 112.920972] Code: bad PC value 0f 0000000f 00000001 b6e94000 000[ 112.924101] ---[ end trace 3f0f7cd99f406d85 ]--- 0000f 00000000 # [ 112.036148] 7fc0: 0000000f 0000000f b6fdbe00 00000004 00000001 00000000 00020000 beae5a54 # [ 112.044352] 7fe0: 00000004 beae5788 b6f464cf b6ecc7e6 # [ 112.049441] Code: bad PC value # [ 112.052534] ---[ end trace 3f0f7cd99f406d84 ]--- # EXEC_USERSPACE: missing 'call trace:': [FAIL] not ok 35 selftests: lkdtm: EXEC_USERSPACE.sh # exit=1 # selftests: lkdtm: EXEC_NULL.sh # Segmentation fault # [ 112.504593] lkdtm: Performing direct entry EXEC_NULL # [ 112.511596] lkdtm: attempting ok execution at c0c2fd98 # [ 112.519645] lkdtm: attempting bad execution at 00000000 # [ 112.528839] 8<--- cut here --- # [ 112.533748] Unable to handle kernel NULL pointer dereference at virtual address 00000000 # [ 112.544705] pgd = 1a91b3e8 # [ 112.550271] [00000000] *pgd=00000000 # [ 112.556739] Internal error: Oops: 80000005 [#9] SMP ARM # [ 112.564786] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 112.593825] CPU: 0 PID: 2257 Comm: cat Tainted: G D W 5.10.155-cip20 #1 # [ 112.601573] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 112.608112] PC is at 0x0 # [ 112.610658] LR is at execute_location+0xa4/0xb4 # [ 112.615194] pc : [<00000000>] lr : [] psr: 600e0013 # [ 112.621466] sp : c65bfe38 ip : c65bfd40 fp : c65bfe54 # [ 112.626696] r10: 0000000a r9 : c1ad0db0 r8 : c15e8634 # [ 112.631925] r7 : c65bff60 r6 : 00000000 r5 : 00000000 r4 : c0c2fd98 # [ 112.638457] r3 : e06977f4 r2 : e06977f4 r1 : ef7815e0 r0 : 0000002b # [ 112.644990] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 112.652130] Control: 10c5387d Table: 1681004a DAC: 00000051 # [ 112.657881] Process cat (pid: 2257, stack limit = 0x55a09625) # [ 112.663633] Stack: (0xc65bfe38 to 0xc65c0000) # [ 112.667997] fe20: 00000025 c6038000 # [ 112.676183] fe40: 0000000a c65bff60 c65bfe64 c65bfe58 c138e868 c138e5c4 c65bfe74 c65bfe68 # [ 112.684368] fe60: c0c2f028 c138e854 c65bfe9c c65bfe78 c0c2f528 c0c2f008 c0c2f408 c5a86640 # [ 112.692552] fe80: b6dc1000 0000000a c3022c00 c65bff60 c65bfec4 c65bfea0 c07f6038 c0c2f414 # [ 112.700736] fea0: 00000000 c5a86640 b6dc1000 c2816000 c65bff60 c07f5fd4 c65bff5c c65bfec8 # [ 112.708923] fec0: c0598ab8 c07f5fe0 00000001 00000000 c059904c c13a3de0 c059904c c65be000 # [ 112.717107] fee0: b6dc1000 00020000 00000004 0000000a 0001fff6 c65bfee0 00000001 b6dc0000 # [ 112.725291] ff00: c61a2a00 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 112.733477] ff20: 00000000 00000000 c13a3de0 e06977f4 c205cfa0 c5a86640 c5a86640 c65be000 # [ 112.741661] ff40: b6dc1000 00000000 00000000 00000004 c65bff94 c65bff60 c059904c c05989b8 # [ 112.749847] ff60: 00000000 00000000 c65bffac e06977f4 0000000a 0000000a b6f08e00 00000004 # [ 112.758031] ff80: c03002e4 c65be000 c65bffa4 c65bff98 c05990dc c0598fe4 00000000 c65bffa8 # [ 112.766215] ffa0: c03000c0 c05990d0 0000000a 0000000a 00000001 b6dc1000 0000000a 00000000 # [ 112.774400] ffc0: 0000000a 0000000a b6f08e00 00000004 00000001 00000000 00020000 be99ba54 # [ 112.782585] ffe0: 00000004 be99b788 b6e734cf b6df97e6 800e0030 00000001 00000000 00000000 # [ 112.790764] Backtrace: # [ 112.793228] [] (execute_location) from [] (lkdtm_EXEC_NULL+0x20/0x24) # [ 112.801414] r7:c65bff60 r6:0000000a r5:c6038000 r4:00000025 # [ 112.807091] [] (lkdtm_EXEC_NULL) from [] (lkdtm_do_action+0x2c/0x4c) # [ 112.815194] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 112.823213] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 112.831139] r9:c65bff60 r8:c3022c00 r7:0000000a r6:b6dc1000 r5:c5a86640 r4:c0c2f408 # [ 112.838897] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 112.846736] r9:c07f5fd4 r8:c65bff60 r7:c2816000 r6:b6dc1000 r5:c5a86640 r4:00000000 # [ 112.854488] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 112.861632] r10:00000004 r9:00000000 r8:00000000 r7:b6dc1000 r6:c65be000 r5:c5a86640 # [ 112.869466] r4:c5a86640 [ 113.395123] lkdtm: Performing direct entry ACCESS_USERSPACE # [ 112.872010] [] (ks[ 113.401949] lkdtm: attempting bad read at b6fbf000 ys_write) from [] (sys_[ 113.409647] 8<--- cut here --- write+0x18/0x1c)[ #1 1[3 . 4115483] Unhandled fault: page domain fault (0x01b) at 0xb6fbf000 2.879153] r9:[c 6 51b1e3.040203 19] pgd = 96e1b88e r8:c03002e4 r7:0000[0 0 0141 3r.628533] [b6fbf000] *pgd=492c8831 :b6f08e00 r5:000000[0 a 1r143:.034282] Internal error: : 1b [#10] SMP ARM 000000a # [ 112.886909] [] (sys_write) f[r o m1 1[3<.c72592] CPU: 2 PID: 2333 Comm: cat Tainted: G D W 5.10.155-cip20 #1 03000c0>][ ( r1e13t._4f8a2s4t9_7] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) yscall+0x0/0x28) # [ 112.[8 9 413.490769] PC is at lkdtm_ACCESS_USERSPACE+0x114/0x16c 483] Exception stack(0xc65b[f f a13.498510] LR is at __irq_work_queue_local+0x40/0x74 8 to 0xc65[b f f1f103). 5 0#6 0[66] pc : [] lr : [] psr: 600e0013 112.8995[4 3 ]1 1f3f.a501:4 1 5 ] sp : c6487e38 ip : c6487d40 fp : c6487e64 [ 1 1 3 .0520101010] r10: 00000011 r9 : c1ad0dbc r8 : c15e8634 00a 0000000a[ 0 0101030.050218 071] r7 : c6487f60 r6 : 00000051 r5 : c6486000 r4 : b6fbf000 6dc1000 0[0 0 0101030.a5 30605000] r3 : 9aee8f48 r2 : 9aee8f48 r1 : ef7ab5e0 r0 : 00000026 0000 # [ 112[. 9 101737.2584]4 68] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none ffc0: 00000[0 0 a1 1030.0505030808] Control: 10c5387d Table: 1673c04a DAC: 00000051 a b6f08e00 0[0 0 0101030.45 6010375] Process cat (pid: 2333, stack limit = 0x18786951) 00001 0000000[0 0101032.050609028] Stack: (0xc6487e38 to 0xc6488000) be99ba54 # [ [ 1 1121.39.15579294] 7e20: 00000022 00000000 11] ffe0: 00000004[ b e19193b.7585467] 7e40: 00000000 9aee8f48 c6487e6c 00000026 c66f4000 00000011 c6487e74 c6487e68 8 b6e734cf b6d[f 9 71e163 . 5#9 5810] 7e60: c0c2f028 c0c2ff08 c6487e9c c6487e78 c0c2f528 c0c2f008 c0c2f408 c5e29400 112.920972][ C o1d1e3:. 6b0a5d81] 7e80: b6e79000 00000011 c3022c00 c6487f60 c6487ec4 c6487ea0 c07f6038 c0c2f414 PC value # [ 1[1 2 .191234.1606067] 7ea0: 00000000 c5e29400 b6e79000 c2816000 c6487f60 c07f5fd4 c6487f5c c6487ec8 1] ---[ end trac[e 31f103f.76c26326] 7ec0: c0598ab8 c07f5fe0 00000001 00000000 c059904c c13a3de0 c059904c c6486000 99f406d85 ]--- [ # 1E1X3E.C6_3N583] 7ee0: b6e79000 00020000 00000004 00000011 0001ffef c6487ee0 00000001 b6e78000 ULL: missing 'cal[l t1r1a3c.e6:6755] 7f00: c62cb540 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ': [FAIL] not ok [3 6 1s1e3l.f657013] 7f20: 00000000 00000000 c13a3de0 9aee8f48 c205cfa0 c5e29400 c5e29400 c6486000 ests: lkdtm: EXEC[_ N U1L1L3..s6h7357] 7f40: b6e79000 00000000 00000000 00000004 c6487f94 c6487f60 c059904c c05989b8 # exit=1 # self[t e s1t1s3:. 6l7614] 7f60: 00000000 00000000 c6487fac 9aee8f48 00000011 00000011 b6fc0e00 00000004 kdtm: ACCESS_US[E R S1P1A3C.E6.8s871] 7f80: c03002e4 c6486000 c6487fa4 c6487f98 c05990dc c0598fe4 00000000 c6487fa8 h [ 113.698041] 7fa0: c03000c0 c05990d0 00000011 00000011 00000001 b6e79000 00000011 00000000 [ 113.706477] 7fc0: 00000011 00000011 b6fc0e00 00000004 00000001 00000000 00020000 bef83a54 [ 113.714661] 7fe0: 00000004 bef83788 b6f2b4cf b6eb17e6 800e0030 00000001 00000000 00000000 [ 113.722841] Backtrace: [ 113.725309] [] (lkdtm_ACCESS_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) [ 113.734015] r6:00000011 r5:c66f4000 r4:00000026 [ 113.738646] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 113.746667] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 113.754592] r9:c6487f60 r8:c3022c00 r7:00000011 r6:b6e79000 r5:c5e29400 r4:c0c2f408 [ 113.762350] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 113.770190] r9:c07f5fd4 r8:c6487f60 r7:c2816000 r6:b6e79000 r5:c5e29400 r4:00000000 [ 113.777944] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 113.785087] r10:00000004 r9:00000000 r8:00000000 r7:b6e79000 r6:c6486000 r5:c5e29400 [ 113.792921] r4:c5e29400 [ 113.795466] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 113.802609] r9:c6486000 r8:c03002e4 r7:00000004 r6:b6fc0e00 r5:00000011 r4:00000011 [ 113.810364] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 113.817938] Exception stack(0xc6487fa8 to 0xc6487ff0) [ 113.822996] 7fa0: 00000011 00000011 00000001 b6e79000 00000011 00000000 [ 113.831181] 7fc0: 00000011 00000011 b6fc0e00 00000004 00000001 00000000 00020000 bef83a54 [ 113.839364] 7fe0: 00000004 bef83788 b6f2b4cf b6eb17e6 [ 113.844425] Code: e1a01004 e3010ce0 e34c01ad eb1d4e59 (e5943000) [ 113.850528] ---[ end trace 3f0f7cd99f406d86 ]--- # Segmentation fault # [ 113.395123] lkdtm: Performing direct entry ACCESS_USERSPACE # [ 113.401949] lkdtm: attempting bad read at b6fbf000 # [ 113.409647] 8<--- cut here --- # [ 113.415483] Unhandled fault: page domain fault (0x01b) at 0xb6fbf000 # [ 113.423919] pgd = 96e1b88e # [ 113.428533] [b6fbf000] *pgd=492c8831 # [ 113.434282] Internal error: : 1b [#10] SMP ARM # [ 113.440890] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 113.472592] CPU: 2 PID: 2333 Comm: cat Tainted: G D W 5.10.155-cip20 #1 # [ 113.482497] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 113.490769] PC is at lkdtm_ACCESS_USERSPACE+0x114/0x16c # [ 113.498510] LR is at __irq_work_queue_local+0x40/0x74 # [ 113.506066] pc : [] lr : [] psr: 600e0013 # [ 113.514153] sp : c6487e38 ip : c6487d40 fp : c6487e64 # [ 113.521110] r10: 00000011 r9 : c1ad0dbc r8 : c15e8634 # [ 113.528071] r7 : c6487f60 r6 : 00000051 r5 : c6486000 r4 : b6fbf000 # [ 113.536505] r3 : 9aee8f48 r2 : 9aee8f48 r1 : ef7ab5e0 r0 : 00000026 # [ 113.544768] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 113.553808] Control: 10c5387d Table: 1673c04a DAC: 00000051 # [ 113.561375] Process cat (pid: 2333, stack limit = 0x18786951) # [ 113.569028] Stack: (0xc6487e38 to 0xc6488000) # [ 113.575294] 7e20: 00000022 00000000 # [ 113.585467] 7e40: 00000000 9aee8f48 c6487e6c 00000026 c66f4000 00000011 c6487e74 c6487e68 # [ 113.595810] 7e60: c0c2f028 c0c2ff08 c6487e9c c6487e78 c0c2f528 c0c2f008 c0c2f408 c5e29400 # [ 113.605981] 7e80: b6e79000 00000011 c3022c00 c6487f60 c6487ec4 c6487ea0 c07f6038 c0c2f414 # [ 113.616067] 7ea0: 00000000 c5e29400 b6e79000 c2816000 c6487f60 c07f5fd4 c6487f5c c6487ec8 # [ 113.626326] 7ec0: c0598ab8 c07f5fe0 00000001 00000000 c059904c c13a3de0 c059904c c6486000 # [ 113.636583] 7ee0: b6e79000 00020000 00000004 00000011 0001ffef c6487ee0 00000001 b6e78000 # [ 113.646755] 7f00: c62cb540 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 113.657013] 7f20: 00000000 00000000 c13a3de0 9aee8f48 c205cfa0 c5e29400 c5e29400 c6486000 # [ 113.667357] 7f40: b6e79000 00000000 00000000 00000004 c6487f94 c6487f60 c059904c c05989b8 # [ 113.677614] 7f60: 00000000 00000000 c6487fac 9aee8f48 00000011 00000011 b6fc0e00 00000004 # [ 113.687871] 7f80: c03002e4 c6486000 c6487fa4 c6487f98 c05990dc c0598fe4 00000000 c6487fa8 # [ 113.698041] 7fa0: c03000c0 c05990d0 00000011 00000011 00000001 b6e79000 00000011 00000000 # [ 113.706477] 7fc0: 00000011 00000011 b6fc0e00 00000004 00000001 00000000 00020000 bef83a54 # [ 113.714661] 7fe0: 00000004 bef83788 b6f2b4cf b6eb17e6 800e0030 00000001 00000000 00000000 # [ 113.722841] Backtrace: # [ 113.725309] [] (lkdtm_ACCESS_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 113.734015] r6:00000011 r5:c66f4000 r4:00000026 # [ 113.738646] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 113.746667] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 113.754592] r9:c6487f60 r8:c3022c00 r7:00000011 r6:b6e79000 r5:c5e29400 r4:c0c2f408 # [ 113.762350] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 113.770190] r9:c07f5fd4 r8:c6487f60 r7:c2816000 r6:b6e79000 r5:c5e29400 r4:00000000 # [ 113.777944] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 113.785087] r10:00000004 r9:00000000 r8:00000000 r7:b6e79000 r6:c6486000 r5:c5e29400 # [ 113.792921] r4:c5e29400 # [ 113.795466] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 113.802609] r9:c6486000 r8:c03002e4 r7:00000004 r6:b6fc0e00 r5:00[ 114.349689] lkdtm: Performing direct entry ACCESS_NULL 000011 r4:00000011 # [ 113.8103[ 114.356992] lkdtm: attempting bad read at 00000000 64] [] (sys_write) from[ 114.364537] 8<--- cut here --- [] (ret_fast_s[y s c1a4.370394] Unable to handle kernel NULL pointer dereference at virtual address 00000000 ll+0x0/0x28) # [ 113.817938] Ex[ 114.381104] pgd = 9ad4fe26 ception stack(0xc6487fa8 to 0xc64[ 114.386531] [00000000] *pgd=00000000 87ff0) # [ 113.82[2 9 9161]4 .792941] Internal error: Oops: 5 [#11] SMP ARM fa0: 00000011 0[ 114.399813] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 0000011 00000001 b6[e 7 9101040. 31521] CPU: 2 PID: 2408 Comm: cat Tainted: G D W 5.10.155-cip20 #1 00000011 000[0 0 010104 . 4#4 1[428] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 113.831181] 7fc0: 00000011 00[0 114.449875] PC is at lkdtm_ACCESS_NULL+0x28/0x68 0011 b6fc0e00 00000004 000[0 0 0114.457178] LR is at __irq_work_queue_local+0x40/0x74 1 00000000 [ 0 0101240.040604 7b36] pc : [] lr : [] psr: 600e0013 f83a54 # [ [ 1 1131.48.349732864] sp : c59e3e50 ip : c59e3d58 fp : c59e3e64 4] 7fe0: 0[0 0 0101040.44 7b9e8f69] r10: 0000000c r9 : c1ad0dd0 r8 : c15e8634 3788 b6f2b4[c f 1b164e.b41876e966] r7 : c59e3f60 r6 : 0000000c r5 : c66f4000 r4 : 00000000 # [ 113.[8 4 4141245.]4 95C2o63] r3 : d84a578b r2 : d84a578b r1 : ef7ab5e0 r0 : 00000026 e: e1a01004 e3[0 1 01c1e40. 5e033612] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none c01ad eb1d4e[5 9 1(1e45.9541320739] Control: 10c5387d Table: 1643c04a DAC: 00000051 0) # [ 113.8[5 0 512184]. 5-2-395] Process cat (pid: 2408, stack limit = 0x3313fcf5) -[ end trace[ 3 f101f47.c5d2989133] Stack: (0xc59e3e50 to 0xc59e4000) 406d86 ]--- # A[C C E1S1S4_.U5S34399] 3e40: 00000027 c66f4000 c59e3e74 c59e3e68 RSPACE: missing [' c a1l1l4 .t5r44658] 3e60: c0c2f028 c138e878 c59e3e9c c59e3e78 c0c2f528 c0c2f008 c0c2f408 c5be0b40 ce:': [FAIL] n[o t 1o1k4 .3575 916] 3e80: b6dfe000 0000000c c3022c00 c59e3f60 c59e3ec4 c59e3ea0 c07f6038 c0c2f414 selftests: lkdtm[: A1C1C4.E5S6S086] 3ea0: 00000000 c5be0b40 b6dfe000 c2816000 c59e3f60 c07f5fd4 c59e3f5c c59e3ec8 _USERSPACE.sh # e[x i t1=114 . 5#5258] 3ec0: c0598ab8 c07f5fe0 00000001 00000000 c059904c c44dbce4 c059904c c59e2000 selftests: l[k d t1m1:4 .A5C8C5E13] 3ee0: b6dfe000 00020000 00000004 0000000c 0001fff4 c59e3ee0 00000001 00000805 SS_NULL.sh [ 114.595597] 3f00: c5aeef00 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 114.604815] 3f20: 00000000 00000000 c59e2000 d84a578b b6dfd000 c5be0b40 c5be0b40 c59e2000 [ 114.613001] 3f40: b6dfe000 00000000 00000000 00000004 c59e3f94 c59e3f60 c059904c c05989b8 [ 114.621188] 3f60: 00000000 00000000 c59e3fac d84a578b 0000000c 0000000c b6f45e00 00000004 [ 114.629374] 3f80: c03002e4 c59e2000 c59e3fa4 c59e3f98 c05990dc c0598fe4 00000000 c59e3fa8 [ 114.637560] 3fa0: c03000c0 c05990d0 0000000c 0000000c 00000001 b6dfe000 0000000c 00000000 [ 114.645746] 3fc0: 0000000c 0000000c b6f45e00 00000004 00000001 00000000 00020000 bea6da54 [ 114.653931] 3fe0: 00000004 bea6d788 b6eb04cf b6e367e6 800e0030 00000001 00000000 00000000 [ 114.662111] Backtrace: [ 114.664583] [] (lkdtm_ACCESS_NULL) from [] (lkdtm_do_action+0x2c/0x4c) [ 114.672853] r5:c66f4000 r4:00000027 [ 114.676442] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 114.684461] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 114.692390] r9:c59e3f60 r8:c3022c00 r7:0000000c r6:b6dfe000 r5:c5be0b40 r4:c0c2f408 [ 114.700146] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 114.707985] r9:c07f5fd4 r8:c59e3f60 r7:c2816000 r6:b6dfe000 r5:c5be0b40 r4:00000000 [ 114.715738] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 114.722882] r10:00000004 r9:00000000 r8:00000000 r7:b6dfe000 r6:c59e2000 r5:c5be0b40 [ 114.730715] r4:c5be0b40 [ 114.733259] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 114.740402] r9:c59e2000 r8:c03002e4 r7:00000004 r6:b6f45e00 r5:0000000c r4:0000000c [ 114.748157] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 114.755730] Exception stack(0xc59e3fa8 to 0xc59e3ff0) [ 114.760791] 3fa0: 0000000c 0000000c 00000001 b6dfe000 0000000c 00000000 [ 114.768977] 3fc0: 0000000c 0000000c b6f45e00 00000004 00000001 00000000 00020000 bea6da54 [ 114.777160] 3fe0: 00000004 bea6d788 b6eb04cf b6e367e6 [ 114.782221] Code: e3010ce0 e34c01ad e1a01004 ebffd438 (e5945000) [ 114.788405] ---[ end trace 3f0f7cd99f406d87 ]--- # Segmentation fault # [ 114.349689] lkdtm: Performing direct entry ACCESS_NULL # [ 114.356992] lkdtm: attempting bad read at 00000000 # [ 114.364537] 8<--- cut here --- # [ 114.370394] Unable to handle kernel NULL pointer dereference at virtual address 00000000 # [ 114.381104] pgd = 9ad4fe26 # [ 114.386531] [00000000] *pgd=00000000 # [ 114.392941] Internal error: Oops: 5 [#11] SMP ARM # [ 114.399813] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 114.431521] CPU: 2 PID: 2408 Comm: cat Tainted: G D W 5.10.155-cip20 #1 # [ 114.441428] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 114.449875] PC is at lkdtm_ACCESS_NULL+0x28/0x68 # [ 114.457178] LR is at __irq_work_queue_local+0x40/0x74 # [ 114.464736] pc : [] lr : [] psr: 600e0013 # [ 114.472824] sp : c59e3e50 ip : c59e3d58 fp : c59e3e64 # [ 114.479869] r10: 0000000c r9 : c1ad0dd0 r8 : c15e8634 # [ 114.486916] r7 : c59e3f60 r6 : 0000000c r5 : c66f4000 r4 : 00000000 # [ 114.495263] r3 : d84a578b r2 : d84a578b r1 : ef7ab5e0 r0 : 00000026 # [ 114.503612] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 114.512739] Control: 10c5387d Table: 1643c04a DAC: 00000051 # [ 114.520395] Process cat (pid: 2408, stack limit = 0x3313fcf5) # [ 114.528133] Stack: (0xc59e3e50 to 0xc59e4000) # [ 114.534399] 3e40: 00000027 c66f4000 c59e3e74 c59e3e68 # [ 114.544658] 3e60: c0c2f028 c138e878 c59e3e9c c59e3e78 c0c2f528 c0c2f008 c0c2f408 c5be0b40 # [ 114.554916] 3e80: b6dfe000 0000000c c3022c00 c59e3f60 c59e3ec4 c59e3ea0 c07f6038 c0c2f414 # [ 114.565086] 3ea0: 00000000 c5be0b40 b6dfe000 c2816000 c59e3f60 c07f5fd4 c59e3f5c c59e3ec8 # [ 114.575258] 3ec0: c0598ab8 c07f5fe0 00000001 00000000 c059904c c44dbce4 c059904c c59e2000 # [ 114.585513] 3ee0: b6dfe000 00020000 00000004 0000000c 0001fff4 c59e3ee0 00000001 00000805 # [ 114.595597] 3f00: c5aeef00 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 114.604815] 3f20: 00000000 00000000 c59e2000 d84a578b b6dfd000 c5be0b40 c5be0b40 c59e2000 # [ 114.613001] 3f40: b6dfe000 00000000 00000000 00000004 c59e3f94 c59e3f60 c059904c c05989b8 # [ 114.621188] 3f60: 00000000 00000000 c59e3fac d84a578b 0000000c 0000000c b6f45e00 00000004 # [ 114.629374] 3f80: c03002e4 c59e2000 c59e3fa4 c59e3f98 c05990dc c0598fe4 00000000 c59e3fa8 # [ 114.637560] 3fa0: c03000c0 c05990d0 0000000c 0000000c 00000001 b6dfe000 0000000c 00000000 # [ 114.645746] 3fc0: 0000000c 0000000c b6f45e00 00000004 00000001 00000000 00020000 bea6da54 # [ 114.653931] 3fe0: 00000004 bea6d788 b6eb04cf b6e367e6 800e0030 00000001 00000000 00000000 # [ 114.662111] Backtrace: # [ 114.664583] [] (lkdtm_ACCESS_NULL) from [] (lkdtm_do_action+0x2c/0x4c) # [ 114.672853] r5:c66f4000 r4:00000027 # [ 114.676442] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 114.684461] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 114.692390] r9:c59e3f60 r8:c3022c00 r7:0000000c r6:b6dfe000 r5:c5be0b40 r4:c0c2f408 # [ 114.700146] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 114.707985] r9:c07f5fd4 r8:c59e3f60 r7:c2816000 r6:b6dfe000 r5:c5be0b40 r4:00000000 # [ 114.715738] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 114.722882] r10:00000004 r9:00000000 r8:00000000 r7:b6dfe000 r6:c59e2000 r5:c5be0b40 # [ 114.7[ 115.259628] lkdtm: Performing direct entry WRITE_RO 30715] r4:c5be0b40 # [ 114.733[ 115.266860] lkdtm: attempting bad rodata write at c15e88cc 259] [] (ksys_write) fr[ 115.275410] 8<--- cut here --- [ 115.281152] Unable to handle kernel paging request at virtual address c15e88cc [ 115.288380] pgd = 1ea30559 [ 115.291094] [c15e88cc] *pgd=1141941e(bad) [ 115.295126] Internal error: Oops: 80d [#12] SMP ARM [ 115.300010] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 [ 115.329047] CPU: 0 PID: 2482 Comm: cat Tainted: G D W 5.10.155-cip20 #1 [ 115.336793] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 115.343337] PC is at lkdtm_WRITE_RO+0x44/0x50 [ 115.347710] LR is at __irq_work_queue_local+0x40/0x74 [ 115.352768] pc : [] lr : [] psr: 600e0013 [ 115.359041] sp : c59e1e50 ip : c59e1d58 fp : c59e1e64 [ 115.364269] r10: 00000009 r9 : c1ad0ddc r8 : c15e8634 [ 115.369498] r7 : c59e1f60 r6 : 00000009 r5 : c6038000 r4 : c15e88cc [ 115.376029] r3 : 0198b861 r2 : aa55aa55 r1 : ef7815e0 r0 : c1ad1be0 [ 115.382562] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 115.389702] Control: 10c5387d Table: 165bc04a DAC: 00000051 [ 115.395454] Process cat (pid: 2482, stack limit = 0x840c6a21) [ 115.401205] Stack: (0xc59e1e50 to 0xc59e2000) [ 115.405571] 1e40: 00000028 c6038000 c59e1e74 c59e1e68 [ 115.413758] 1e60: c0c2f028 c138e678 c59e1e9c c59e1e78 c0c2f528 c0c2f008 c0c2f408 c587c8c0 [ 115.421945] 1e80: b6e62000 00000009 c3022c00 c59e1f60 c59e1ec4 c59e1ea0 c07f6038 c0c2f414 [ 115.430131] 1ea0: 00000000 c587c8c0 b6e62000 c2816000 c59e1f60 c07f5fd4 c59e1f5c c59e1ec8 [ 115.438317] 1ec0: c0598ab8 c07f5fe0 00000001 00000000 c059904c c13a3de0 c059904c c59e0000 [ 115.446503] 1ee0: b6e62000 00020000 00000004 00000009 0001fff7 c59e1ee0 00000001 b6e61000 [ 115.454688] 1f00: c5be17c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 115.462873] 1f20: 00000000 00000000 c13a3de0 0f557f1a c205cfa0 c587c8c0 c587c8c0 c59e0000 [ 115.471058] 1f40: b6e62000 00000000 00000000 00000004 c59e1f94 c59e1f60 c059904c c05989b8 [ 115.479244] 1f60: 00000000 00000000 c59e1fac 0f557f1a 00000009 00000009 b6fa9e00 00000004 [ 115.487428] 1f80: c03002e4 c59e0000 c59e1fa4 c59e1f98 c05990dc c0598fe4 00000000 c59e1fa8 [ 115.495612] 1fa0: c03000c0 c05990d0 00000009 00000009 00000001 b6e62000 00000009 00000000 [ 115.503797] 1fc0: 00000009 00000009 b6fa9e00 00000004 00000001 00000000 00020000 bed3da54 [ 115.511981] 1fe0: 00000004 bed3d788 b6f144cf b6e9a7e6 800e0030 00000001 00000000 00000000 [ 115.520160] Backtrace: [ 115.522632] [] (lkdtm_WRITE_RO) from [] (lkdtm_do_action+0x2c/0x4c) [ 115.530642] r5:c6038000 r4:00000028 [ 115.534228] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 115.542248] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 115.550172] r9:c59e1f60 r8:c3022c00 r7:00000009 r6:b6e62000 r5:c587c8c0 r4:c0c2f408 [ 115.557929] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 115.565766] r9:c07f5fd4 r8:c59e1f60 r7:c2816000 r6:b6e62000 r5:c587c8c0 r4:00000000 [ 115.573519] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 115.580663] r10:00000004 r9:00000000 r8:00000000 r7:b6e62000 r6:c59e0000 r5:c587c8c0 [ 115.588498] r4:c587c8c0 [ 115.591043] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 115.598186] r9:c59e0000 r8:c03002e4 r7:00000004 r6:b6fa9e00 r5:00000009 r4:00000009 [ 115.605941] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 115.613515] Exception stack(0xc59e1fa8 to 0xc59e1ff0) [ 115.618574] 1fa0: 00000009 00000009 00000001 b6e62000 00000009 00000000 [ 115.626759] 1fc0: 00000009 00000009 b6fa9e00 00000004 00000001 00000000 00020000 bed3da54 [ 115.634941] 1fe0: 00000004 bed3d788 b6f144cf b6e9a7e6 [ 115.640001] Code: e34a3bcd e3010be0 e34c01ad e0233002 (e5843000) [ 115.646104] ---[ end trace 3f0f7cd99f406d88 ]--- om [] (sys_write+0x18/0x1c) # [ 114.740402] r9:c59e2000 r8:c03002e4 r7:00000004 r6:b6f45e00 r5:0000000c r4:0000000c # [ 114.748157] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 114.755730] Exception stack(0xc59e3fa8 to 0xc59e3ff0) # [ 114.760791] 3fa0: 0000000c 0000000c 00000001 b6dfe000 0000000c 00000000 # [ 114.768977] 3fc0: 0000000c 0000000c b6f45e00 00000004 00000001 00000000 00020000 bea6da54 # [ 114.777160] 3fe0: 00000004 bea6d788 b6eb04cf b6e367e6 # [ 114.782221] Code: e3010ce0 e34c01ad e1a01004 ebffd438 (e5945000) # [ 114.788405] ---[ end trace 3f0f7cd99f406d87 ]--- # ACCESS_NULL: missing 'call trace:': [FAIL] not ok 38 selftests: lkdtm: ACCESS_NULL.sh # exit=1 # selftests: lkdtm: WRITE_RO.sh # Segmentation fault # [ 115.259628] lkdtm: Performing direct entry WRITE_RO # [ 115.266860] lkdtm: attempting bad rodata write at c15e88cc # [ 115.275410] 8<--- cut here --- # [ 115.281152] Unable to handle kernel paging request at virtual address c15e88cc # [ 115.288380] pgd = 1ea30559 # [ 115.291094] [c15e88cc] *pgd=1141941e(bad) # [ 115.295126] Internal error: Oops: 80d [#12] SMP ARM # [ 115.300010] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 115.329047] CPU: 0 PID: 2482 Comm: cat Tainted: G D W 5.10.155-cip20 #1 # [ 115.336793] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 115.343337] PC is at lkdtm_WRITE_RO+0x44/0x50 # [ 115.347710] LR is at __irq_work_queue_local+0x40/0x74 # [ 115.352768] pc : [] lr : [] psr: 600e0013 # [ 115.359041] sp : c59e1e50 ip : c59e1d58 fp : c59e1e64 # [ 115.364269] r10: 00000009 r9 : c1ad0ddc r8 : c15e8634 # [ 115.369498] r7 : c59e1f60 r6 : 00000009 r5 : c6038000 r4 : c15e88cc # [ 115.376029] r3 : 0198b861 r2 : aa55aa55 r1 : ef7815e0 r0 : c1ad1be0 # [ 115.382562] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 115.389702] Control: 10c5387d Table: 165bc04a DAC: 00000051 # [ 115.395454] Process cat (pid: 2482, stack limit = 0x840c6a21) # [ 115.401205] Stack: (0xc59e1e50 to 0xc59e2000) # [ 115.405571] 1e40: 00000028 c6038000 c59e1e74 c59e1e68 # [ 115.413758] 1e60: c0c2f028 c138e678 c59e1e9c c59e1e78 c0c2f528 c0c2f008 c0c2f408 c587c8c0 # [ 115.421945] 1e80: b6e62000 00000009 c3022c00 c59e1f60 c59e1ec4 c59e1ea0 c07f6038 c0c2f414 # [ 115.430131] 1ea0: 00000000 c587c8c0 b6e62000 c2816000 c59e1f60 c07f5fd4 c59e1f5c c59e1ec8 # [ 115.438317] 1ec0: c0598ab8 c07f5fe0 00000001 00000000 c059904c c13a3de0 c059904c c59e0000 # [ 115.446503] 1ee0: b6e62000 00020000 00000004 00000009 0001fff7 c59e1ee0 00000001 b6e61000 # [ 115.454688] 1f00: c5be17c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 115.462873] 1f20: 00000000 00000000 c13a3de0 0f557f1a c205cfa0 c587c8c0 c587c8c0 c59e0000 # [ 115.471058] 1f40: b6e62000 00000000 00000000 00000004 c59e1f94 c59e1f60 c059904c c05989b8 # [ 115.479244] 1f60: 00000000 00000000 c59e1fac 0f557f1a 00000009 00000009 b6fa9e00 00000004 # [ 115.487428] 1f80: c03002e4 c59e0000 c59e1fa4 c59e1f98 c05990dc c0598fe4 00000000 c59e1fa8 # [ 115.495612] 1fa0: c03000c0 c05990d0 00000009 00000009 00000001 b6e62000 00000009 00000000 # [ 115.503797] 1fc0: 00000009 00000009 b6fa9e00 00000004 00000001 00000000 00020000 bed3da54 # [ 115.511981] 1fe0: 00000004 bed3d788 b6f144cf b6e9a7e6 800e0030 00000001 00000000 00000000 # [ 115.520160] Backtrace: # [ 115.522632] [] (lkdtm_WRITE_RO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 115.530642] r5:c6038000 r4:00000028 # [ 115.534228] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 115.542248] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 115.550172] r9:c59e1f60 r8:c3022c00 r7:00000009 r6:b6e62000 r5:c587c8c0 r4:c0c2f408 # [ 115.557929] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 115.565766] r9:c07f5fd4 r8:c59e1f60 r7:c2816000 r6:b6e62000 r5:c587c8c0 r4:00000000 # [ 115.573519] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 115.580663] r10:00000004 r9:00000000 r8:00000000 r7:b6e62000 r6:c59e0000 r5:c587c8c0 # [ 115.588498] r4:c587c8c0 # [ 115.591043] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 115.598186] r9:c59e0000 r8:c03002e4 r7:00000004 r6:b6fa9e00 r[ 116.083041] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT 5:00000009 r4:00000009 # [ 115.[ 116.090437] lkdtm: attempting bad ro_after_init write at c1b83c60 605941] [] (sys_write) [ 116.099451] 8<--- cut here --- [ 116.105306] Unable to handle kernel paging request at virtual address c1b83c60 [ 116.112539] pgd = b68ea063 [ 116.115252] [c1b83c60] *pgd=11a1941e(bad) [ 116.119286] Internal error: Oops: 80d [#13] SMP ARM [ 116.124169] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 [ 116.153208] CPU: 0 PID: 2556 Comm: cat Tainted: G D W 5.10.155-cip20 #1 [ 116.160956] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 116.167499] PC is at lkdtm_WRITE_RO_AFTER_INIT+0x64/0x70 [ 116.172827] LR is at __irq_work_queue_local+0x40/0x74 [ 116.177885] pc : [] lr : [] psr: 600e0013 [ 116.184156] sp : c616de50 ip : c616dd58 fp : c616de64 [ 116.189385] r10: 00000014 r9 : c1ad0de8 r8 : c15e8634 [ 116.194615] r7 : c616df60 r6 : 00000014 r5 : c6527000 r4 : c1b83c60 [ 116.201147] r3 : fe67479e r2 : 55aa55aa r1 : ef7815e0 r0 : c1ad1be0 [ 116.207681] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 116.214820] Control: 10c5387d Table: 1677004a DAC: 00000051 [ 116.220572] Process cat (pid: 2556, stack limit = 0x7612de46) [ 116.226323] Stack: (0xc616de50 to 0xc616e000) [ 116.230689] de40: 00000029 c6527000 c616de74 c616de68 [ 116.238875] de60: c0c2f028 c138e6c8 c616de9c c616de78 c0c2f528 c0c2f008 c0c2f408 c587ca00 [ 116.247060] de80: b6e3c000 00000014 c3022c00 c616df60 c616dec4 c616dea0 c07f6038 c0c2f414 [ 116.255246] dea0: 00000000 c587ca00 b6e3c000 c2816000 c616df60 c07f5fd4 c616df5c c616dec8 [ 116.263432] dec0: c0598ab8 c07f5fe0 00000001 00000000 c059904c c13a3de0 c059904c c616c000 [ 116.271617] dee0: b6e3c000 00020000 00000004 00000014 0001ffec c616dee0 00000001 b6e3b000 [ 116.279801] df00: c5884000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 116.287986] df20: 00000000 00000000 c13a3de0 420adb7c c205cfa0 c587ca00 c587ca00 c616c000 [ 116.296171] df40: b6e3c000 00000000 00000000 00000004 c616df94 c616df60 c059904c c05989b8 [ 116.304356] df60: 00000000 00000000 c616dfac 420adb7c 00000014 00000014 b6f83e00 00000004 [ 116.312540] df80: c03002e4 c616c000 c616dfa4 c616df98 c05990dc c0598fe4 00000000 c616dfa8 [ 116.320725] dfa0: c03000c0 c05990d0 00000014 00000014 00000001 b6e3c000 00000014 00000000 [ 116.328912] dfc0: 00000014 00000014 b6f83e00 00000004 00000001 00000000 00020000 beac0a54 [ 116.337096] dfe0: 00000004 beac0788 b6eee4cf b6e747e6 800e0030 00000001 00000000 00000000 [ 116.345274] Backtrace: [ 116.347746] [] (lkdtm_WRITE_RO_AFTER_INIT) from [] (lkdtm_do_action+0x2c/0x4c) [ 116.356712] r5:c6527000 r4:00000029 [ 116.360301] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 116.368318] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 116.376245] r9:c616df60 r8:c3022c00 r7:00000014 r6:b6e3c000 r5:c587ca00 r4:c0c2f408 [ 116.384001] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 116.391839] r9:c07f5fd4 r8:c616df60 r7:c2816000 r6:b6e3c000 r5:c587ca00 r4:00000000 [ 116.399593] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 116.406736] r10:00000004 r9:00000000 r8:00000000 r7:b6e3c000 r6:c616c000 r5:c587ca00 [ 116.414569] r4:c587ca00 [ 116.417115] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 116.424259] r9:c616c000 r8:c03002e4 r7:00000004 r6:b6f83e00 r5:00000014 r4:00000014 [ 116.432017] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 116.439592] Exception stack(0xc616dfa8 to 0xc616dff0) [ 116.444652] dfa0: 00000014 00000014 00000001 b6e3c000 00000014 00000000 [ 116.452837] dfc0: 00000014 00000014 b6f83e00 00000004 00000001 00000000 00020000 beac0a54 [ 116.461020] dfe0: 00000004 beac0788 b6eee4cf b6e747e6 [ 116.466081] Code: e34a3bcd e3010be0 e34c01ad e0233002 (e5843000) [ 116.472184] ---[ end trace 3f0f7cd99f406d89 ]--- from [] (ret_fast_syscall+0x0/0x28) # [ 115.613515] Exception stack(0xc59e1fa8 to 0xc59e1ff0) # [ 115.618574] 1fa0: 00000009 00000009 00000001 b6e62000 00000009 00000000 # [ 115.626759] 1fc0: 00000009 00000009 b6fa9e00 00000004 00000001 00000000 00020000 bed3da54 # [ 115.634941] 1fe0: 00000004 bed3d788 b6f144cf b6e9a7e6 # [ 115.640001] Code: e34a3bcd e3010be0 e34c01ad e0233002 (e5843000) # [ 115.646104] ---[ end trace 3f0f7cd99f406d88 ]--- # WRITE_RO: missing 'call trace:': [FAIL] not ok 39 selftests: lkdtm: WRITE_RO.sh # exit=1 # selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # Segmentation fault # [ 116.083041] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT # [ 116.090437] lkdtm: attempting bad ro_after_init write at c1b83c60 # [ 116.099451] 8<--- cut here --- # [ 116.105306] Unable to handle kernel paging request at virtual address c1b83c60 # [ 116.112539] pgd = b68ea063 # [ 116.115252] [c1b83c60] *pgd=11a1941e(bad) # [ 116.119286] Internal error: Oops: 80d [#13] SMP ARM # [ 116.124169] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 116.153208] CPU: 0 PID: 2556 Comm: cat Tainted: G D W 5.10.155-cip20 #1 # [ 116.160956] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 116.167499] PC is at lkdtm_WRITE_RO_AFTER_INIT+0x64/0x70 # [ 116.172827] LR is at __irq_work_queue_local+0x40/0x74 # [ 116.177885] pc : [] lr : [] psr: 600e0013 # [ 116.184156] sp : c616de50 ip : c616dd58 fp : c616de64 # [ 116.189385] r10: 00000014 r9 : c1ad0de8 r8 : c15e8634 # [ 116.194615] r7 : c616df60 r6 : 00000014 r5 : c6527000 r4 : c1b83c60 # [ 116.201147] r3 : fe67479e r2 : 55aa55aa r1 : ef7815e0 r0 : c1ad1be0 # [ 116.207681] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 116.214820] Control: 10c5387d Table: 1677004a DAC: 00000051 # [ 116.220572] Process cat (pid: 2556, stack limit = 0x7612de46) # [ 116.226323] Stack: (0xc616de50 to 0xc616e000) # [ 116.230689] de40: 00000029 c6527000 c616de74 c616de68 # [ 116.238875] de60: c0c2f028 c138e6c8 c616de9c c616de78 c0c2f528 c0c2f008 c0c2f408 c587ca00 # [ 116.247060] de80: b6e3c000 00000014 c3022c00 c616df60 c616dec4 c616dea0 c07f6038 c0c2f414 # [ 116.255246] dea0: 00000000 c587ca00 b6e3c000 c2816000 c616df60 c07f5fd4 c616df5c c616dec8 # [ 116.263432] dec0: c0598ab8 c07f5fe0 00000001 00000000 c059904c c13a3de0 c059904c c616c000 # [ 116.271617] dee0: b6e3c000 00020000 00000004 00000014 0001ffec c616dee0 00000001 b6e3b000 # [ 116.279801] df00: c5884000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 116.287986] df20: 00000000 00000000 c13a3de0 420adb7c c205cfa0 c587ca00 c587ca00 c616c000 # [ 116.296171] df40: b6e3c000 00000000 00000000 00000004 c616df94 c616df60 c059904c c05989b8 # [ 116.304356] df60: 00000000 00000000 c616dfac 420adb7c 00000014 00000014 b6f83e00 00000004 # [ 116.312540] df80: c03002e4 c616c000 c616dfa4 c616df98 c05990dc c0598fe4 00000000 c616dfa8 # [ 116.320725] dfa0: c03000c0 c05990d0 00000014 00000014 00000001 b6e3c000 00000014 00000000 # [ 116.328912] dfc0: 00000014 00000014 b6f83e00 00000004 00000001 00000000 00020000 beac0a54 # [ 116.337096] dfe0: 00000004 beac0788 b6eee4cf b6e747e6 800e0030 00000001 00000000 00000000 # [ 116.345274] Backtrace: # [ 116.347746] [] (lkdtm_WRITE_RO_AFTER_INIT) from [] (lkdtm_do_action+0x2c/0x4c) # [ 116.356712] r5:c6527000 r4:00000029 # [ 116.360301] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 116.368318] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 116.376245] r9:c616df60 r8:c3022c00 r7:00000014 r6:b6e3c000 r5:c587ca00 r4:c0c2f408 # [ 116.384001] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 116.391839] r9:c07f5fd4 r8:c616df60 r7:c2816000 r6:b6e3c000 r5:c587ca00 r4:00000000 # [ 116.399593] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 116.406736] r10:00000004 r9:00000000 r8:00000000 r7:b6e3c000 r6:c616c000 r5:c587ca00 # [ 116.414569] r4:c587ca00 # [ 116.417115] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 116.424259] r9:c616c000 r8:c03002e4 r7:00000004 r6:b6f83e00 r5:00000014 r4:00000014 # [ 116.432017] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 116.954742] 8<--- cut here --- # [ 116.439592] Exc[e p t1i1o6n.960597] Unable to handle kernel paging request at virtual address c138e594 stack(0xc6[1 6 d1f1a68. 9t7o0 004] pgd = 72f4cc82 xc616dff0) # [ 116.444652] dfa0 116.974607] [c138e594] *pgd=1121940e(bad) : 00[0 0 010116.981399] Internal error: Oops: 80d [#14] SMP ARM 00000014 00000001 b6e3c000 00000[ 116.988615] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 014 00000000 # [ 116.4[5 2 81317.020321] CPU: 2 PID: 2630 Comm: cat Tainted: G D W 5.10.155-cip20 #1 ] dfc0: 00[ 0 0101071.40 30004080] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 0014 b6f83e00 00000004 0000[0 0 017.038758] PC is at memcpy+0x50/0x330 1 00000000 0002000[0 b1e1a7.c005019] LR is at 0xe92dd830 a54 # [ 116[. 4 6111072.00]5 0d39] pc : [] lr : [] psr: 200e0013 fe0: 00000[0 0 41 1b7e.a0c50874814] sp : c5f57e2c ip : e1a0c00d fp : c5f57e64 b6eee4cf b[6 e 714177e.066 5 4#60] r10: 0000000b r9 : c1ad0dfc r8 : e89da800 [ 116.466081] C[o d e1:1 7e.30472511] r7 : e8bd4000 r6 : e52de004 r5 : e24cb004 r4 : e92dd800 3bcd e3010b[e 0 1e1374.c00811a1d7] r3 : e1a0c00d r2 : 0075e75c r1 : c0c2fdb8 r0 : c138e594 e0233002 (e5843[0 0 01)1 7 . 0#89469] Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 116.472184][ - -1-1[7. 0e9n8d85] Control: 10c5387d Table: 168dc04a DAC: 00000051 trace 3f0f7cd9[9 f 410167d.8190 340] Process cat (pid: 2630, stack limit = 0x525e9b5f) ]--- # WRIT[E _ R1O1_7A.F1T1E4R081] Stack: (0xc5f57e2c to 0xc5f58000) INIT: missing 'call tr[a c e1:1'7.120353] 7e20: c0c2fd98 0075e7fc c5f57f60 c15e8634 c138e594 [FAIL] not ok 40 [s e l1f1t7e.s30871] 7e40: c138e594 c138e778 0000002a c66f4000 0000000b c5f57f60 c5f57e74 c5f57e68 ts: lkdtm: WRITE_RO_[A F T11E7R._41218] 7e60: c0c2f028 c138e738 c5f57e9c c5f57e78 c0c2f528 c0c2f008 c0c2f408 c62cb7c0 INIT.sh # exit=1 #[ s e1l1f7t.e51562] 7e80: b6e91000 0000000b c3022c00 c5f57f60 c5f57ec4 c5f57ea0 c07f6038 c0c2f414 sts: lkdtm: WRITE_[K E R1N1.7s.h161909] 7ea0: 00000000 c62cb7c0 b6e91000 c2816000 c5f57f60 c07f5fd4 c5f57f5c c5f57ec8 [ 117.172253] 7ec0: c0598ab8 c07f5fe0 00000001 00000000 c059904c c13a3de0 c059904c c5f56000 [ 117.180517] 7ee0: b6e91000 00020000 00000004 0000000b 0001fff5 c5f57ee0 00000001 b6e90000 [ 117.188706] 7f00: c5885b80 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 117.196896] 7f20: 00000000 00000000 c13a3de0 cb645175 c205cfa0 c62cb7c0 c62cb7c0 c5f56000 [ 117.205085] 7f40: b6e91000 00000000 00000000 00000004 c5f57f94 c5f57f60 c059904c c05989b8 [ 117.213274] 7f60: 00000000 00000000 c5f57fac cb645175 0000000b 0000000b b6fd8e00 00000004 [ 117.221462] 7f80: c03002e4 c5f56000 c5f57fa4 c5f57f98 c05990dc c0598fe4 00000000 c5f57fa8 [ 117.229650] 7fa0: c03000c0 c05990d0 0000000b 0000000b 00000001 b6e91000 0000000b 00000000 [ 117.237838] 7fc0: 0000000b 0000000b b6fd8e00 00000004 00000001 00000000 00020000 bee4ea54 [ 117.246025] 7fe0: 00000004 bee4e788 b6f434cf b6ec97e6 800e0030 00000001 00000000 00000000 [ 117.254207] Backtrace: [ 117.256688] [] (lkdtm_WRITE_KERN) from [] (lkdtm_do_action+0x2c/0x4c) [ 117.264880] r7:c5f57f60 r6:0000000b r5:c66f4000 r4:0000002a [ 117.270558] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 117.278584] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 117.286515] r9:c5f57f60 r8:c3022c00 r7:0000000b r6:b6e91000 r5:c62cb7c0 r4:c0c2f408 [ 117.294279] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 117.302124] r9:c07f5fd4 r8:c5f57f60 r7:c2816000 r6:b6e91000 r5:c62cb7c0 r4:00000000 [ 117.309880] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 117.317028] r10:00000004 r9:00000000 r8:00000000 r7:b6e91000 r6:c5f56000 r5:c62cb7c0 [ 117.324864] r4:c62cb7c0 [ 117.327413] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 117.334560] r9:c5f56000 r8:c03002e4 r7:00000004 r6:b6fd8e00 r5:0000000b r4:0000000b [ 117.342319] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 117.349896] Exception stack(0xc5f57fa8 to 0xc5f57ff0) [ 117.354960] 7fa0: 0000000b 0000000b 00000001 b6e91000 0000000b 00000000 [ 117.363148] 7fc0: 0000000b 0000000b b6fd8e00 00000004 00000001 00000000 00020000 bee4ea54 [ 117.371336] 7fe0: 00000004 bee4e788 b6f434cf b6ec97e6 [ 117.376401] Code: f5d1f05c f5d1f07c e8b151f8 e2522020 (e8a051f8) [ 117.382510] ---[ end trace 3f0f7cd99f406d8a ]--- # Segmentation fault # [ 116.940080] lkdtm: Performing direct entry WRITE_KERN # [ 116.945922] lkdtm: attempting bad 7727100 byte write at c138e594 # [ 116.954742] 8<--- cut here --- # [ 116.960597] Unable to handle kernel paging request at virtual address c138e594 # [ 116.970074] pgd = 72f4cc82 # [ 116.974607] [c138e594] *pgd=1121940e(bad) # [ 116.981399] Internal error: Oops: 80d [#14] SMP ARM # [ 116.988615] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 117.020321] CPU: 2 PID: 2630 Comm: cat Tainted: G D W 5.10.155-cip20 #1 # [ 117.030485] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 117.038758] PC is at memcpy+0x50/0x330 # [ 117.045019] LR is at 0xe92dd830 # [ 117.050239] pc : [] lr : [] psr: 200e0013 # [ 117.058414] sp : c5f57e2c ip : e1a0c00d fp : c5f57e64 # [ 117.065460] r10: 0000000b r9 : c1ad0dfc r8 : e89da800 # [ 117.072511] r7 : e8bd4000 r6 : e52de004 r5 : e24cb004 r4 : e92dd800 # [ 117.081117] r3 : e1a0c00d r2 : 0075e75c r1 : c0c2fdb8 r0 : c138e594 # [ 117.089469] Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 117.098685] Control: 10c5387d Table: 168dc04a DAC: 00000051 # [ 117.106340] Process cat (pid: 2630, stack limit = 0x525e9b5f) # [ 117.114081] Stack: (0xc5f57e2c to 0xc5f58000) # [ 117.120353] 7e20: c0c2fd98 0075e7fc c5f57f60 c15e8634 c138e594 # [ 117.130871] 7e40: c138e594 c138e778 0000002a c66f4000 0000000b c5f57f60 c5f57e74 c5f57e68 # [ 117.141218] 7e60: c0c2f028 c138e738 c5f57e9c c5f57e78 c0c2f528 c0c2f008 c0c2f408 c62cb7c0 # [ 117.151562] 7e80: b6e91000 0000000b c3022c00 c5f57f60 c5f57ec4 c5f57ea0 c07f6038 c0c2f414 # [ 117.161909] 7ea0: 00000000 c62cb7c0 b6e91000 c2816000 c5f57f60 c07f5fd4 c5f57f5c c5f57ec8 # [ 117.172253] 7ec0: c0598ab8 c07f5fe0 00000001 00000000 c059904c c13a3de0 c059904c c5f56000 # [ 117.180517] 7ee0: b6e91000 00020000 00000004 0000000b 0001fff5 c5f57ee0 00000001 b6e90000 # [ 117.188706] 7f00: c5885b80 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 117.196896] 7f20: 00000000 00000000 c13a3de0 cb645175 c205cfa0 c62cb7c0 c62cb7c0 c5f56000 # [ 117.205085] 7f40: b6e91000 00000000 00000000 00000004 c5f57f94 c5f57f60 c059904c c05989b8 # [ 117.213274] 7f60: 00000000 00000000 c5f57fac cb645175 0000000b 0000000b b6fd8e00 00000004 # [ 117.221462] 7f80: c03002e4 c5f56000 c5f57fa4 c5f57f98 c05990dc c0598fe4 00000000 c5f57fa8 # [ 117.229650] 7fa0: c03000c0 c05990d0 0000000b 0000000b 00000001 b6e91000 0000000b 00000000 # [ 117.237838] 7fc0: 0000000b 0000000b b6fd8e00 00000004 00000001 00000000 00020000 bee4ea54 # [ 117.246025] 7fe0: 00000004 bee4e788 b6f434cf b6ec97e6 800e0030 00000001 00000000 00000000 # [ 117.254207] Backtrace: # [ 117.256688] [] (lkdtm_WRITE_KERN) from [] (lkdtm_do_action+0x2c/0x4c) # [ 117.264880] r7:c5f57f60 r6:0000000b r5:c66f4000 r4:0000002a # [ 117.270558] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 117.278584] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 117.286515] r9:c5f57f60 r8:c3022c00 r7:0000000b r6:b6e91000 r5:c62cb7c0 r4:c0c2f408 # [ 117.294279] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 117.302124] r9:c07f5fd4 r8:c5f57f60 r7:c2816000 r6:b6e91000 r5:c62cb7c0 r4:00000000 # [ 117.309880] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 117.317028] r10:00000004 r9:00000000 r8:00000000 r7:b6e91000 r6:c5f56000 r5:c62cb7c0 # [ 117.324864] r4:c62cb7c0 # [ 117.327413] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 117.334560] r9:c5f56000 r8:c03002e4 r7:0[ 117.892854] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW 0000004 r6:b6fd8e00 r5:0000000b r[ 117.899428] lkdtm: attempting good refcount_inc() without overflow 4:0000000b # [ 117.342319] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28)[ 117.924201] WARNING: CPU: 2 PID: 2705 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 117.349896] Exception stac[ 117.935481] refcount_t: saturated; leaking memory. k(0xc5f57fa8 to 0xc5f57ff0) # [ [ 117.943103] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 117.354960] 7fa0: [ 117.974866] CPU: 2 PID: 2705 Comm: cat Tainted: G D W 5.10.155-cip20 #1 0000000[b 0101070.090805b4 8] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 00000001 b6e91000 [0 0 011070.0903755] Backtrace: b 00000000 # [ 117.363148] 7fc0[ 117.998302] [] (dump_backtrace) from [] (show_stack+0x20/0x24) : 0000000b 0000000[b b161f8d.8008720] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7f4 00 00000004 00000001 0000[0 0 0108.016551] [] (show_stack) from [] (dump_stack+0xe0/0x100) 00020000 bee4ea54 # [ 117[. 3 118.026290] [] (dump_stack) from [] (__warn+0xfc/0x16c) 1336] 7fe0: 0000[0 0 0141 8b.e0e35845] r9:00000009 r8:c086e4cc r7:00000016 r6:00000009 r5:c086e4cc r4:c1a24e8c e788 b6f434cf b6ec97[e 6 1 1#8 .045672] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) 117.376401][ C o1d18e.:0 5f55402] r7:00000016 r6:c1a24e8c r5:c1a24e64 r4:c5c62000 1f05c f5d1f07c e8b151f8 e[2 51218.062978] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) 020 (e8a051f8) [ #1 1[8 . 0171358] r9:c1ad0e08 r8:c15e8634 r7:c5c63f60 r6:00000016 r5:c61da000 r4:c5c62000 7.382510] ---[ end trace[ 3 f1018.084101] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) 7cd99f406d8a ]--- # WRITE[_ K E118.096182] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_OVERFLOW+0x78/0x9c) N: missing 'call trace:': [[F A I18.108784] [] (lkdtm_REFCOUNT_INC_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) L] not ok[ 4 111 8s.e1l2f0t4e1s] r4:0000002b ts: lkdtm: WRITE_KERN[. s h1 1#8 124696] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) exit=1 # selftests: lkdtm[: R118.134957] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) FCOUNT_INC_OVERFL[O W .1s1h8 . 145382] r9:c5c63f60 r8:c3022c00 r7:00000016 r6:b6dcc000 r5:c5e29040 r4:c0c2f408 [ 118.155211] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 118.163048] r9:c07f5fd4 r8:c5c63f60 r7:c2816000 r6:b6dcc000 r5:c5e29040 r4:00000000 [ 118.170800] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 118.177943] r10:00000004 r9:00000000 r8:00000000 r7:b6dcc000 r6:c5c62000 r5:c5e29040 [ 118.185776] r4:c5e29040 [ 118.188320] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 118.195463] r9:c5c62000 r8:c03002e4 r7:00000004 r6:b6f13e00 r5:00000016 r4:00000016 [ 118.203218] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 118.210793] Exception stack(0xc5c63fa8 to 0xc5c63ff0) [ 118.215852] 3fa0: 00000016 00000016 00000001 b6dcc000 00000016 00000000 [ 118.224038] 3fc0: 00000016 00000016 b6f13e00 00000004 00000001 00000000 00020000 bee30a54 [ 118.232220] 3fe0: 00000004 bee30788 b6e7e4cf b6e047e6 [ 118.237350] irq event stamp: 0 [ 118.240424] hardirqs last enabled at (0): [<00000000>] 0x0 [ 118.246052] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 118.253618] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 118.261132] softirqs last disabled at (0): [<00000000>] 0x0 [ 118.266774] ---[ end trace 3f0f7cd99f406d8b ]--- [ 118.271409] lkdtm: Overflow detected: saturated # [ 117.892854] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW # [ 117.899428] lkdtm: attempting good refcount_inc() without overflow # [ 117.908585] lkdtm: attempting bad refcount_inc() overflow # [ 117.916715] ------------[ cut here ]------------ # [ 117.924201] WARNING: CPU: 2 PID: 2705 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 117.935481] refcount_t: saturated; leaking memory. # [ 117.943103] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 117.974866] CPU: 2 PID: 2705 Comm: cat Tainted: G D W 5.10.155-cip20 #1 # [ 117.985408] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 117.993755] Backtrace: # [ 117.998302] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 118.008720] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7f4 # [ 118.016551] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 118.026290] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 118.035845] r9:00000009 r8:c086e4cc r7:00000016 r6:00000009 r5:c086e4cc r4:c1a24e8c # [ 118.045672] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 118.055402] r7:00000016 r6:c1a24e8c r5:c1a24e64 r4:c5c62000 # [ 118.062978] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 118.074358] r9:c1ad0e08 r8:c15e8634 r7:c5c63f60 r6:00000016 r5:c61da000 r4:c5c62000 # [ 118.084101] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 118.096182] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_OVERFLOW+0x78/0x9c) # [ 118.108784] [] (lkdtm_REFCOUNT_INC_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 118.120419] r4:0000002b # [ 118.124696] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 118.134957] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 118.145382] r9:c5c63f60 r8:c3022c00 r7:00000016 r6:b6dcc000 r5:c5e29040 r4:c0c2f408 # [ 118.155211] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 118.163048] r9:c07f5fd4 r8:c5c63f60 r7:c2816000 r6:b6dcc000 r5:c5e29040 r4:00000000 # [ 118.170800] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 118.177943] r10:00000004 r9:00000000 r8:00000000 r7:b6dcc000 r6:c5c62000 r5:c5e29040 # [ 118.185776] r4:c5e29040 # [ 118.188320] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 118.195463] r9:c5c62000 r8:c03002e4 r7:00000004 r6:b6f13e00 r5:00000016 r4:00000016 # [ 118.203218] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 118.210793] Exception stack(0xc5c63fa8 to 0xc5c63ff0) # [ 118.215852] 3fa0: 00000016 00000016 00000001 b6dcc000 00000016 00000000 # [ 118.224038] 3fc0: 00000016 00000016 b6f13e00 00000004 00000001 00000000 00020000 bee30a54 # [ 118.232220] 3fe0: 00000004 bee30788 b6e7e4cf b6e047e6 # [ 118.237350] irq event stamp: 0 # [ 118.240424] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 118.246052] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 118.253618] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 118.261132] softirqs last disabled at (0): [<00000000>] 0x0 # [ 118.266774] ---[ end trace 3f0f7cd99f406d8b ]--- # [ 118.271409] lkdtm: Overflow detected: saturated # REFCOUNT_INC[ 118.682512] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW _OVERFLOW: missing 'call trace:':[ 118.689093] lkdtm: attempting good refcount_add() without overflow [FAIL] not ok 42 selftests: lkd[ 118.698172] lkdtm: attempting bad refcount_add() overflow tm: REFCOUNT_INC_OVERFLOW.sh # ex[ 118.706397] ------------[ cut here ]------------ it=1 # selftests: lkdtm: REFCOUN[ 118.713868] WARNING: CPU: 2 PID: 2739 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 T_ADD_OVERFLOW.sh [ 118.725146] refcount_t: saturated; leaking memory. [ 118.731550] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 [ 118.760716] CPU: 2 PID: 2739 Comm: cat Tainted: G D W 5.10.155-cip20 #1 [ 118.768465] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 118.774996] Backtrace: [ 118.777470] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 118.785050] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7f4 [ 118.790723] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 118.798048] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 118.805018] r9:00000009 r8:c086e4cc r7:00000016 r6:00000009 r5:c086e4cc r4:c1a24e8c [ 118.812772] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 118.820262] r7:00000016 r6:c1a24e8c r5:c1a24e64 r4:c5f02000 [ 118.825937] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) [ 118.834906] r9:c1ad0e20 r8:c15e8634 r7:c5f03f60 r6:00000016 r5:c61da000 r4:c5f02000 [ 118.842662] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) [ 118.852329] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_OVERFLOW+0x84/0xa8) [ 118.862431] [] (lkdtm_REFCOUNT_ADD_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) [ 118.871568] r4:0000002c [ 118.874114] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 118.882132] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 118.890057] r9:c5f03f60 r8:c3022c00 r7:00000016 r6:b6dcd000 r5:c62cb040 r4:c0c2f408 [ 118.897814] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 118.905652] r9:c07f5fd4 r8:c5f03f60 r7:c2816000 r6:b6dcd000 r5:c62cb040 r4:00000000 [ 118.913404] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 118.920547] r10:00000004 r9:00000000 r8:00000000 r7:b6dcd000 r6:c5f02000 r5:c62cb040 [ 118.928380] r4:c62cb040 [ 118.930923] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 118.938067] r9:c5f02000 r8:c03002e4 r7:00000004 r6:b6f14e00 r5:00000016 r4:00000016 [ 118.945821] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 118.953396] Exception stack(0xc5f03fa8 to 0xc5f03ff0) [ 118.958456] 3fa0: 00000016 00000016 00000001 b6dcd000 00000016 00000000 [ 118.966643] 3fc0: 00000016 00000016 b6f14e00 00000004 00000001 00000000 00020000 bed3aa54 [ 118.974826] 3fe0: 00000004 bed3a788 b6e7f4cf b6e057e6 [ 118.979944] irq event stamp: 0 [ 118.983022] hardirqs last enabled at (0): [<00000000>] 0x0 [ 118.988643] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 118.996196] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 119.003738] softirqs last disabled at (0): [<00000000>] 0x0 [ 119.009330] ---[ end trace 3f0f7cd99f406d8c ]--- [ 119.013997] lkdtm: Overflow detected: saturated # [ 118.682512] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW # [ 118.689093] lkdtm: attempting good refcount_add() without overflow # [ 118.698172] lkdtm: attempting bad refcount_add() overflow # [ 118.706397] ------------[ cut here ]------------ # [ 118.713868] WARNING: CPU: 2 PID: 2739 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 118.725146] refcount_t: saturated; leaking memory. # [ 118.731550] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 118.760716] CPU: 2 PID: 2739 Comm: cat Tainted: G D W 5.10.155-cip20 #1 # [ 118.768465] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 118.774996] Backtrace: # [ 118.777470] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 118.785050] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7f4 # [ 118.790723] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 118.798048] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 118.805018] r9:00000009 r8:c086e4cc r7:00000016 r6:00000009 r5:c086e4cc r4:c1a24e8c # [ 118.812772] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 118.820262] r7:00000016 r6:c1a24e8c r5:c1a24e64 r4:c5f02000 # [ 118.825937] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 118.834906] r9:c1ad0e20 r8:c15e8634 r7:c5f03f60 r6:00000016 r5:c61da000 r4:c5f02000 # [ 118.842662] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 118.852329] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_OVERFLOW+0x84/0xa8) # [ 118.862431] [] (lkdtm_REFCOUNT_ADD_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 118.871568] r4:0000002c # [ 118.874114] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 118.882132] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 118.890057] r9:c5f03f60 r8:c3022c00 r7:00000016 r6:b6dcd000 r5:c62cb040 r4:c0c2f408 # [ 118.897814] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 118.905652] r9:c07f5fd4 r8:c5f03f60 r7:c2816000 r6:b6dcd000 r5:c62cb040 r4:00000000 # [ 118.913404] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 118.920547] r10:00000004 r9:00000000 r8:00000000 r7:b6dcd000 r6:c5f02000 r5:c62cb040 # [ 118.928380] r4:c62cb040 # [ 118.930923] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 118.938067] r9:c5f02000 r8:c03002e4 r7:00000004 r6:b6f14e00 r5:00000016 r4:00000016 # [ 118.945821] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 118.953396] Exception stack(0xc5f03fa8 to 0xc5f03ff0) # [ 118.958456] 3fa0: 00000016 00000016 00000001 b6dcd000 00000016 00000000 # [ 118.966643] 3fc0: 00000016 00000016 b6f14e00 00000004 00000001 00000000 00020000 bed3aa54 # [ 118.974826] 3fe0: 00000004 bed3a788 b6e7f4cf b6e057e6 # [ 118.979944] irq event stamp: 0 # [ 118.983022] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 118.988643] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 118.996196] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 119.003738] softirqs last disabled at (0): [<00000000>] 0x0 # [ 119.009330] ---[ end trace 3f0f7cd99f406d8c ]--- # [ 119.013997] lkdtm: Overflow detected: saturated # REFCOUNT_ADD_OVERFLOW: missing 'call trace:': [FAIL] not ok 43 selftests: lkdtm: REFCOUNT_ADD_OVERFLOW.[ 119.437405] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW sh # exit=1 # selftests: lkdtm: [ 119.444557] lkdtm: attempting bad refcount_inc_not_zero() overflow REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh[ 119.453723] ------------[ cut here ]------------ [ 119.461277] WARNING: CPU: 0 PID: 2773 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 [ 119.469800] refcount_t: saturated; leaking memory. [ 119.474635] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 [ 119.503795] CPU: 0 PID: 2773 Comm: cat Tainted: G D W 5.10.155-cip20 #1 [ 119.511544] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 119.518075] Backtrace: [ 119.520551] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 119.528131] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7f4 [ 119.533805] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 119.541128] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 119.548100] r9:00000009 r8:c086e498 r7:00000013 r6:00000009 r5:c086e498 r4:c1a24e8c [ 119.555852] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 119.563342] r7:00000013 r6:c1a24e8c r5:c1a24e64 r4:c616c000 [ 119.569017] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) [ 119.577984] r9:c1ad0e38 r8:c15e8634 r7:c616df60 r6:0000001f r5:c5e73000 r4:7fffffff [ 119.585744] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) [ 119.596190] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x50/0x88) [ 119.607844] r5:c5e73000 r4:c616c000 [ 119.611438] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) [ 119.621356] r4:0000002d [ 119.623901] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 119.631919] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 119.639844] r9:c616df60 r8:c3022c00 r7:0000001f r6:b6e4a000 r5:c5e292c0 r4:c0c2f408 [ 119.647600] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 119.655438] r9:c07f5fd4 r8:c616df60 r7:c2816000 r6:b6e4a000 r5:c5e292c0 r4:00000000 [ 119.663191] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 119.670336] r10:00000004 r9:00000000 r8:00000000 r7:b6e4a000 r6:c616c000 r5:c5e292c0 [ 119.678169] r4:c5e292c0 [ 119.680715] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 119.687858] r9:c616c000 r8:c03002e4 r7:00000004 r6:b6f91e00 r5:0000001f r4:0000001f [ 119.695612] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 119.703186] Exception stack(0xc616dfa8 to 0xc616dff0) [ 119.708246] dfa0: 0000001f 0000001f 00000001 b6e4a000 0000001f 00000000 [ 119.716432] dfc0: 0000001f 0000001f b6f91e00 00000004 00000001 00000000 00020000 befc6a54 [ 119.724615] dfe0: 00000004 befc6788 b6efc4cf b6e827e6 [ 119.729698] irq event stamp: 0 [ 119.732770] hardirqs last enabled at (0): [<00000000>] 0x0 [ 119.738381] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 119.745899] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 119.753413] softirqs last disabled at (0): [<00000000>] 0x0 [ 119.758995] ---[ end trace 3f0f7cd99f406d8d ]--- [ 119.763642] lkdtm: Overflow detected: saturated # [ 119.437405] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 119.444557] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 119.453723] ------------[ cut here ]------------ # [ 119.461277] WARNING: CPU: 0 PID: 2773 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 119.469800] refcount_t: saturated; leaking memory. # [ 119.474635] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 119.503795] CPU: 0 PID: 2773 Comm: cat Tainted: G D W 5.10.155-cip20 #1 # [ 119.511544] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 119.518075] Backtrace: # [ 119.520551] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 119.528131] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7f4 # [ 119.533805] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 119.541128] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 119.548100] r9:00000009 r8:c086e498 r7:00000013 r6:00000009 r5:c086e498 r4:c1a24e8c # [ 119.555852] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 119.563342] r7:00000013 r6:c1a24e8c r5:c1a24e64 r4:c616c000 # [ 119.569017] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 119.577984] r9:c1ad0e38 r8:c15e8634 r7:c616df60 r6:0000001f r5:c5e73000 r4:7fffffff # [ 119.585744] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 119.596190] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x50/0x88) # [ 119.607844] r5:c5e73000 r4:c616c000 # [ 119.611438] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 119.621356] r4:0000002d # [ 119.623901] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 119.631919] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 119.639844] r9:c616df60 r8:c3022c00 r7:0000001f r6:b6e4a000 r5:c5e292c0 r4:c0c2f408 # [ 119.647600] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 119.655438] r9:c07f5fd4 r8:c616df60 r7:c2816000 r6:b6e4a000 r5:c5e292c0 r4:00000000 # [ 119.663191] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 119.670336] r10:00000004 r9:00000000 r8:00000000 r7:b6e4a000 r6:c616c000 r5:c5e292c0 # [ 119.678169] r4:c5e292c0 # [ 119.680715] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 119.687858] r9:c616c000 r8:c03002e4 r7:00000004 r6:b6f91e00 r5:0000001f r4:0000001f # [ 119.695612] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 119.703186] Exception stack(0xc616dfa8 to 0xc616dff0) # [ 119.708246] dfa0: 0000001f 0000001f 00000001 b6e4a000 0000001f 00000000 # [ 119.716432] dfc0: 0000001f 0000001f b6f91e00 00000004 00000001 00000000 00020000 befc6a54 # [ 119.724615] dfe0: 00000004 befc6788 b6efc4cf b6e827e6 # [ 119.729698] irq event stamp: 0 # [ 119.732770] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 119.738381] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 119.745899] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 119.753413] softirqs last disabled at (0): [<00000000>] 0x0 # [ 119.758995] ---[ end trace 3f0f7cd99f406d8d ]--- # [ 119.763642] lkdtm: Overflow detected: saturated #[ 120.185243] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW REFCOUNT_INC_NOT[_ Z E1R2O0_.O1V2357] lkdtm: attempting bad refcount_add_not_zero() overflow ERFLOW: missing 'call trace:': [F[ 120.200677] ------------[ cut here ]------------ AIL] not ok 44 selftests: lkdtm:[ 120.208306] WARNING: CPU: 3 PID: 2807 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 REFCOUNT_INC_NOT_ZERO_OVERFLOW.s[ 120.219545] refcount_t: saturated; leaking memory. h # exit=1 # selftests: lkdtm: R[ 120.227142] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 EFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh [ 120.258825] CPU: 3 PID: 2807 Comm: cat Tainted: G D W 5.10.155-cip20 #1 [ 120.269390] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 120.276003] Backtrace: [ 120.278479] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 120.286058] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7f4 [ 120.291732] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 120.299058] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 120.306029] r9:00000009 r8:c086e498 r7:00000013 r6:00000009 r5:c086e498 r4:c1a24e8c [ 120.313783] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 120.321271] r7:00000013 r6:c1a24e8c r5:c1a24e64 r4:c5bfa000 [ 120.326947] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) [ 120.335913] r9:c1ad0e58 r8:c15e8634 r7:c5bfbf60 r6:0000001f r5:c64e3000 r4:7fffffff [ 120.343671] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) [ 120.354117] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x50/0x88) [ 120.365771] r5:c64e3000 r4:c5bfa000 [ 120.369362] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) [ 120.379281] r4:0000002e [ 120.381826] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 120.389845] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 120.397770] r9:c5bfbf60 r8:c3022c00 r7:0000001f r6:b6e28000 r5:c61a2640 r4:c0c2f408 [ 120.405527] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 120.413367] r9:c07f5fd4 r8:c5bfbf60 r7:c2816000 r6:b6e28000 r5:c61a2640 r4:00000000 [ 120.421119] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 120.428262] r10:00000004 r9:00000000 r8:00000000 r7:b6e28000 r6:c5bfa000 r5:c61a2640 [ 120.436095] r4:c61a2640 [ 120.438640] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 120.445785] r9:c5bfa000 r8:c03002e4 r7:00000004 r6:b6f6fe00 r5:0000001f r4:0000001f [ 120.453539] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 120.461114] Exception stack(0xc5bfbfa8 to 0xc5bfbff0) [ 120.466174] bfa0: 0000001f 0000001f 00000001 b6e28000 0000001f 00000000 [ 120.474360] bfc0: 0000001f 0000001f b6f6fe00 00000004 00000001 00000000 00020000 bef78a54 [ 120.482544] bfe0: 00000004 bef78788 b6eda4cf b6e607e6 [ 120.487655] irq event stamp: 0 [ 120.490727] hardirqs last enabled at (0): [<00000000>] 0x0 [ 120.496341] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 120.503881] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 120.511381] softirqs last disabled at (0): [<00000000>] 0x0 [ 120.516994] ---[ end trace 3f0f7cd99f406d8e ]--- [ 120.521631] lkdtm: Overflow detected: saturated # [ 120.185243] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 120.192357] lkdtm: attempting bad refcount_add_not_zero() overflow # [ 120.200677] ------------[ cut here ]------------ # [ 120.208306] WARNING: CPU: 3 PID: 2807 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 120.219545] refcount_t: saturated; leaking memory. # [ 120.227142] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 120.258825] CPU: 3 PID: 2807 Comm: cat Tainted: G D W 5.10.155-cip20 #1 # [ 120.269390] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 120.276003] Backtrace: # [ 120.278479] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 120.286058] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7f4 # [ 120.291732] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 120.299058] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 120.306029] r9:00000009 r8:c086e498 r7:00000013 r6:00000009 r5:c086e498 r4:c1a24e8c # [ 120.313783] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 120.321271] r7:00000013 r6:c1a24e8c r5:c1a24e64 r4:c5bfa000 # [ 120.326947] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 120.335913] r9:c1ad0e58 r8:c15e8634 r7:c5bfbf60 r6:0000001f r5:c64e3000 r4:7fffffff # [ 120.343671] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 120.354117] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x50/0x88) # [ 120.365771] r5:c64e3000 r4:c5bfa000 # [ 120.369362] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 120.379281] r4:0000002e # [ 120.381826] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 120.389845] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 120.397770] r9:c5bfbf60 r8:c3022c00 r7:0000001f r6:b6e28000 r5:c61a2640 r4:c0c2f408 # [ 120.405527] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 120.413367] r9:c07f5fd4 r8:c5bfbf60 r7:c2816000 r6:b6e28000 r5:c61a2640 r4:00000000 # [ 120.421119] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 120.428262] r10:00000004 r9:00000000 r8:00000000 r7:b6e28000 r6:c5bfa000 r5:c61a2640 # [ 120.436095] r4:c61a2640 # [ 120.438640] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 120.445785] r9:c5bfa000 r8:c03002e4 r7:00000004 r6:b6f6fe00 r5:0000001f r4:0000001f # [ 120.453539] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 120.461114] Exception stack(0xc5bfbfa8 to 0xc5bfbff0) # [ 120.466174] bfa0: 0000001f 0000001f 00000001 b6e28000 0000001f 00000000 # [ 120.474360] bfc0: 0000001f 0000001f b6f6fe00 00000004 00000001 00000000 00020000 bef78a54 # [ 120.482544] bfe0: 00000004 bef78788 b6eda4cf b6e607e6 # [ 120.487655] irq event stamp: 0 # [ 120.490727] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 120.496341] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 120.503881] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 120.511381] softirqs last disabled at (0): [<00000000>] 0x0 # [ 120.516994] ---[ end trace 3f0f7cd99f406d8e ]--- # [ 120.521631] lkdtm: Overflow detected: saturated # REFCOUNT_ADD_NOT_ZERO_OVERFLOW: missing 'ca[ 120.943914] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO ll trace:': [FAI[L ] 1 2n0o.9t5 065] lkdtm: attempting good refcount_dec() ok 45 selftests: lkdtm: REFCOUNT_[ 120.957830] lkdtm: attempting bad refcount_dec() to zero ADD_NOT_ZERO_OVERFLOW.sh # exit=1[ 120.966027] ------------[ cut here ]------------ # selftests: lkdtm: REFCOUNT_DE[ 120.973490] WARNING: CPU: 3 PID: 2841 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 C_ZERO.sh [ 120.984764] refcount_t: decrement hit 0; leaking memory. [ 120.990999] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 [ 121.020158] CPU: 3 PID: 2841 Comm: cat Tainted: G D W 5.10.155-cip20 #1 [ 121.027907] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 121.034441] Backtrace: [ 121.036916] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 121.044494] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7f4 [ 121.050167] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 121.057491] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 121.064463] r9:00000009 r8:c086e464 r7:0000001f r6:00000009 r5:c086e464 r4:c1a24e8c [ 121.072217] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 121.079706] r7:0000001f r6:c1a24e8c r5:c1a24ef0 r4:c5bfa000 [ 121.085380] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) [ 121.094346] r9:c1ad0e78 r8:c15e8634 r7:c5bfbf60 r6:00000012 r5:c6199000 r4:c5bfa000 [ 121.102104] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) [ 121.111769] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_ZERO+0x5c/0xd8) [ 121.121525] [] (lkdtm_REFCOUNT_DEC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) [ 121.130314] r4:0000002f [ 121.132858] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 121.140877] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 121.148802] r9:c5bfbf60 r8:c3022c00 r7:00000012 r6:b6e94000 r5:c44df2c0 r4:c0c2f408 [ 121.156558] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 121.164399] r9:c07f5fd4 r8:c5bfbf60 r7:c2816000 r6:b6e94000 r5:c44df2c0 r4:00000000 [ 121.172152] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 121.179295] r10:00000004 r9:00000000 r8:00000000 r7:b6e94000 r6:c5bfa000 r5:c44df2c0 [ 121.187128] r4:c44df2c0 [ 121.189672] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 121.196815] r9:c5bfa000 r8:c03002e4 r7:00000004 r6:b6fdbe00 r5:00000012 r4:00000012 [ 121.204572] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 121.212147] Exception stack(0xc5bfbfa8 to 0xc5bfbff0) [ 121.217207] bfa0: 00000012 00000012 00000001 b6e94000 00000012 00000000 [ 121.225393] bfc0: 00000012 00000012 b6fdbe00 00000004 00000001 00000000 00020000 bed4aa54 [ 121.233576] bfe0: 00000004 bed4a788 b6f464cf b6ecc7e6 [ 121.238692] irq event stamp: 0 [ 121.241765] hardirqs last enabled at (0): [<00000000>] 0x0 [ 121.247382] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 121.254908] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 121.262407] softirqs last disabled at (0): [<00000000>] 0x0 [ 121.268024] ---[ end trace 3f0f7cd99f406d8f ]--- [ 121.272653] lkdtm: Zero detected: saturated # [ 120.943914] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO # [ 120.951065] lkdtm: attempting good refcount_dec() # [ 120.957830] lkdtm: attempting bad refcount_dec() to zero # [ 120.966027] ------------[ cut here ]------------ # [ 120.973490] WARNING: CPU: 3 PID: 2841 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 # [ 120.984764] refcount_t: decrement hit 0; leaking memory. # [ 120.990999] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 121.020158] CPU: 3 PID: 2841 Comm: cat Tainted: G D W 5.10.155-cip20 #1 # [ 121.027907] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 121.034441] Backtrace: # [ 121.036916] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 121.044494] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7f4 # [ 121.050167] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 121.057491] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 121.064463] r9:00000009 r8:c086e464 r7:0000001f r6:00000009 r5:c086e464 r4:c1a24e8c # [ 121.072217] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 121.079706] r7:0000001f r6:c1a24e8c r5:c1a24ef0 r4:c5bfa000 # [ 121.085380] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) # [ 121.094346] r9:c1ad0e78 r8:c15e8634 r7:c5bfbf60 r6:00000012 r5:c6199000 r4:c5bfa000 # [ 121.102104] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) # [ 121.111769] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_ZERO+0x5c/0xd8) # [ 121.121525] [] (lkdtm_REFCOUNT_DEC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 121.130314] r4:0000002f # [ 121.132858] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 121.140877] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 121.148802] r9:c5bfbf60 r8:c3022c00 r7:00000012 r6:b6e94000 r5:c44df2c0 r4:c0c2f408 # [ 121.156558] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 121.164399] r9:c07f5fd4 r8:c5bfbf60 r7:c2816000 r6:b6e94000 r5:c44df2c0 r4:00000000 # [ 121.172152] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 121.179295] r10:00000004 r9:00000000 r8:00000000 r7:b6e94000 r6:c5bfa000 r5:c44df2c0 # [ 121.187128] r4:c44df2c0 # [ 121.189672] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 121.196815] r9:c5bfa000 r8:c03002e4 r7:00000004 r6:b6fdbe00 r5:00000012 r4:00000012 # [ 121.204572] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 121.212147] Exception stack(0xc5bfbfa8 to 0xc5bfbff0) # [ 121.217207] bfa0: 00000012 00000012 00000001 b6e94000 00000012 00000000 # [ 121.225393] bfc0: 00000012 00000012 b6fdbe00 00000004 00000001 00000000 00020000 bed4aa54 # [ 121.233576] bfe0: 00000004 bed4a788 b6f464cf b6ecc7e6 # [ 121.238692] irq event stamp: 0 # [ 121.241765] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 121.247382] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 121.254908] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 121.262407] softirqs last disabled at (0): [<00000000>] 0x0 # [ 121.268024] ---[ end trace 3f0f7cd99f406d8f ]--- # [ 121.272653] 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 [ 121.720553] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE [ 121.726635] lkdtm: attempting bad refcount_dec() below zero [ 121.732223] ------------[ cut here ]------------ [ 121.737044] WARNING: CPU: 2 PID: 2878 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 [ 121.745546] refcount_t: decrement hit 0; leaking memory. [ 121.750884] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 [ 121.780061] CPU: 2 PID: 2878 Comm: cat Tainted: G D W 5.10.155-cip20 #1 [ 121.787811] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 121.794343] Backtrace: [ 121.796819] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 121.804398] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7f4 [ 121.810071] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 121.817395] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 121.824368] r9:00000009 r8:c086e464 r7:0000001f r6:00000009 r5:c086e464 r4:c1a24e8c [ 121.832122] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 121.839613] r7:0000001f r6:c1a24e8c r5:c1a24ef0 r4:c5890000 [ 121.845290] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) [ 121.854256] r9:c1ad0e8c r8:c15e8634 r7:c5891f60 r6:00000016 r5:00000000 r4:c5890000 [ 121.862014] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) [ 121.871680] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_NEGATIVE+0x48/0x70) [ 121.881784] [] (lkdtm_REFCOUNT_DEC_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) [ 121.890922] r5:c61da000 r4:00000030 [ 121.894509] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 121.902527] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 121.910453] r9:c5891f60 r8:c3022c00 r7:00000016 r6:b6e73000 r5:c5a89cc0 r4:c0c2f408 [ 121.918210] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 121.926047] r9:c07f5fd4 r8:c5891f60 r7:c2816000 r6:b6e73000 r5:c5a89cc0 r4:00000000 [ 121.933799] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 121.940943] r10:00000004 r9:00000000 r8:00000000 r7:b6e73000 r6:c5890000 r5:c5a89cc0 [ 121.948776] r4:c5a89cc0 [ 121.951320] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 121.958464] r9:c5890000 r8:c03002e4 r7:00000004 r6:b6fbae00 r5:00000016 r4:00000016 [ 121.966219] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 121.973792] Exception stack(0xc5891fa8 to 0xc5891ff0) [ 121.978853] 1fa0: 00000016 00000016 00000001 b6e73000 00000016 00000000 [ 121.987039] 1fc0: 00000016 00000016 b6fbae00 00000004 00000001 00000000 00020000 bed2ea54 [ 121.995223] 1fe0: 00000004 bed2e788 b6f254cf b6eab7e6 [ 122.000350] irq event stamp: 0 [ 122.003443] hardirqs last enabled at (0): [<00000000>] 0x0 [ 122.009035] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 122.016594] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 122.024140] softirqs last disabled at (0): [<00000000>] 0x0 [ 122.029736] ---[ end trace 3f0f7cd99f406d90 ]--- [ 122.034401] lkdtm: Negative detected: saturated # [ 121.720553] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 121.726635] lkdtm: attempting bad refcount_dec() below zero # [ 121.732223] ------------[ cut here ]------------ # [ 121.737044] WARNING: CPU: 2 PID: 2878 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 # [ 121.745546] refcount_t: decrement hit 0; leaking memory. # [ 121.750884] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 121.780061] CPU: 2 PID: 2878 Comm: cat Tainted: G D W 5.10.155-cip20 #1 # [ 121.787811] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 121.794343] Backtrace: # [ 121.796819] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 121.804398] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7f4 # [ 121.810071] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 121.817395] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 121.824368] r9:00000009 r8:c086e464 r7:0000001f r6:00000009 r5:c086e464 r4:c1a24e8c # [ 121.832122] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 121.839613] r7:0000001f r6:c1a24e8c r5:c1a24ef0 r4:c5890000 # [ 121.845290] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) # [ 121.854256] r9:c1ad0e8c r8:c15e8634 r7:c5891f60 r6:00000016 r5:00000000 r4:c5890000 # [ 121.862014] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) # [ 121.871680] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_NEGATIVE+0x48/0x70) # [ 121.881784] [] (lkdtm_REFCOUNT_DEC_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 121.890922] r5:c61da000 r4:00000030 # [ 121.894509] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 121.902527] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 121.910453] r9:c5891f60 r8:c3022c00 r7:00000016 r6:b6e73000 r5:c5a89cc0 r4:c0c2f408 # [ 121.918210] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 121.926047] r9:c07f5fd4 r8:c5891f60 r7:c2816000 r6:b6e73000 r5:c5a89cc0 r4:00000000 # [ 121.933799] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 121.940943] r10:00000004 r9:00000000 r8:00000000 r7:b6e73000 r6:c5890000 r5:c5a89cc0 # [ 121.948776] r4:c5a89cc0 # [ 121.951320] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 121.958464] r9:c5890000 r8:c03002e4 r7:00000004 r6:b6fbae00 r5:00000016 r4:00000016 # [ 121.966219] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 121.973792] Exception stack(0xc5891fa8 to 0xc5891ff0) # [ 121.978853] 1fa0: 00000016 00000016 00000001 b6e73000 00000016 00000000 # [ 121.987039] 1fc0: 00000016 00000016 b6fbae00 00000004 00000001 00000000 00020000 bed2ea54 # [ 121.995223] 1fe0: 00000004 bed2e788 b6f254cf b6eab7e6 # [ 122.000350] irq event stamp: 0 # [ 122.003443] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 122.009035] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 122.016594] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 122.024140] softirqs last disabled at (0): [<00000000>] 0x0 # [ 122.029736] ---[ end trace 3f0f7cd99f406d90 ]--- # [ 122.034401] 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 [ 122.479867] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE [ 122.486738] lkdtm: attempting bad refcount_dec_and_test() below zero [ 122.493108] ------------[ cut here ]------------ [ 122.497928] WARNING: CPU: 3 PID: 2913 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 [ 122.506531] refcount_t: underflow; use-after-free. [ 122.511360] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 [ 122.540519] CPU: 3 PID: 2913 Comm: cat Tainted: G D W 5.10.155-cip20 #1 [ 122.548271] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 122.554803] Backtrace: [ 122.557282] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 122.564862] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7f4 [ 122.570535] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 122.577859] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 122.584829] r9:00000009 r8:c086e534 r7:0000001c r6:00000009 r5:c086e534 r4:c1a24e8c [ 122.592584] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 122.600075] r7:0000001c r6:c1a24e8c r5:c1a24ec8 r4:c5890000 [ 122.605752] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) [ 122.614807] r9:c1ad0ea4 r8:c15e8634 r7:c5891f60 r6:0000001f r5:00000000 r4:c5890000 [ 122.622567] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) [ 122.633015] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x50/0x8c) [ 122.644680] [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) [ 122.654599] r5:c64e3000 r4:00000031 [ 122.658186] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 122.666204] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 122.674129] r9:c5891f60 r8:c3022c00 r7:0000001f r6:b6e01000 r5:c63cda40 r4:c0c2f408 [ 122.681887] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 122.689727] r9:c07f5fd4 r8:c5891f60 r7:c2816000 r6:b6e01000 r5:c63cda40 r4:00000000 [ 122.697479] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 122.704623] r10:00000004 r9:00000000 r8:00000000 r7:b6e01000 r6:c5890000 r5:c63cda40 [ 122.712457] r4:c63cda40 [ 122.715002] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 122.722146] r9:c5890000 r8:c03002e4 r7:00000004 r6:b6f48e00 r5:0000001f r4:0000001f [ 122.729901] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 122.737476] Exception stack(0xc5891fa8 to 0xc5891ff0) [ 122.742536] 1fa0: 0000001f 0000001f 00000001 b6e01000 0000001f 00000000 [ 122.750722] 1fc0: 0000001f 0000001f b6f48e00 00000004 00000001 00000000 00020000 be894a54 [ 122.758905] 1fe0: 00000004 be894788 b6eb34cf b6e397e6 [ 122.764014] irq event stamp: 0 [ 122.767087] hardirqs last enabled at (0): [<00000000>] 0x0 [ 122.772676] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 122.780205] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 122.787728] softirqs last disabled at (0): [<00000000>] 0x0 [ 122.793340] ---[ end trace 3f0f7cd99f406d91 ]--- [ 122.797969] lkdtm: Negative detected: saturated # [ 122.479867] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 122.486738] lkdtm: attempting bad refcount_dec_and_test() below zero # [ 122.493108] ------------[ cut here ]------------ # [ 122.497928] WARNING: CPU: 3 PID: 2913 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 122.506531] refcount_t: underflow; use-after-free. # [ 122.511360] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 122.540519] CPU: 3 PID: 2913 Comm: cat Tainted: G D W 5.10.155-cip20 #1 # [ 122.548271] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 122.554803] Backtrace: # [ 122.557282] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 122.564862] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7f4 # [ 122.570535] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 122.577859] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 122.584829] r9:00000009 r8:c086e534 r7:0000001c r6:00000009 r5:c086e534 r4:c1a24e8c # [ 122.592584] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 122.600075] r7:0000001c r6:c1a24e8c r5:c1a24ec8 r4:c5890000 # [ 122.605752] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 122.614807] r9:c1ad0ea4 r8:c15e8634 r7:c5891f60 r6:0000001f r5:00000000 r4:c5890000 # [ 122.622567] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 122.633015] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x50/0x8c) # [ 122.644680] [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 122.654599] r5:c64e3000 r4:00000031 # [ 122.658186] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 122.666204] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 122.674129] r9:c5891f60 r8:c3022c00 r7:0000001f r6:b6e01000 r5:c63cda40 r4:c0c2f408 # [ 122.681887] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 122.689727] r9:c07f5fd4 r8:c5891f60 r7:c2816000 r6:b6e01000 r5:c63cda40 r4:00000000 # [ 122.697479] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 122.704623] r10:00000004 r9:00000000 r8:00000000 r7:b6e01000 r6:c5890000 r5:c63cda40 # [ 122.712457] r4:c63cda40 # [ 122.715002] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 122.722146] r9:c5890000 r8:c03002e4 r7:00000004 r6:b6f48e00 r5:0000001f r4:0000001f # [ 122.729901] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 122.737476] Exception stack(0xc5891fa8 to 0xc5891ff0) # [ 122.742536] 1fa0: 0000001f 0000001f 00000001 b6e01000 0000001f 00000000 # [ 122.750722] 1fc0: 0000001f 0000001f b6f48e00 00000004 00000001 00000000 00020000 be894a54 # [ 122.758905] 1fe0: 00000004 be894788 b6eb34cf b6e397e6 # [ 122.764014] irq event stamp: 0 # [ 122.767087] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 122.772676] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 122.780205] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 122.787728] softirqs last disabled at (0): [<00000000>] 0x0 # [ 122.793340] ---[ end trace 3f0f7cd99f406d91 ]--- # [ 122.797969] 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 [ 123.253583] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE [ 123.260434] lkdtm: attempting bad refcount_sub_and_test() below zero [ 123.266843] ------------[ cut here ]------------ [ 123.271493] WARNING: CPU: 2 PID: 2948 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 [ 123.280071] refcount_t: underflow; use-after-free. [ 123.284901] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 [ 123.314057] CPU: 2 PID: 2948 Comm: cat Tainted: G D W 5.10.155-cip20 #1 [ 123.321807] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 123.328340] Backtrace: [ 123.330816] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 123.338395] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7f4 [ 123.344068] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 123.351392] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 123.358364] r9:00000009 r8:c086e534 r7:0000001c r6:00000009 r5:c086e534 r4:c1a24e8c [ 123.366118] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 123.373607] r7:0000001c r6:c1a24e8c r5:c1a24ec8 r4:c6100000 [ 123.379280] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) [ 123.388335] r9:c1ad0ec4 r8:c15e8634 r7:c6101f60 r6:0000001f r5:c6031000 r4:c6100000 [ 123.396091] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) [ 123.406540] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x50/0x8c) [ 123.418206] [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) [ 123.428123] r4:00000032 [ 123.430670] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 123.438687] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 123.446612] r9:c6101f60 r8:c3022c00 r7:0000001f r6:b6dbe000 r5:c6259680 r4:c0c2f408 [ 123.454371] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 123.462209] r9:c07f5fd4 r8:c6101f60 r7:c2816000 r6:b6dbe000 r5:c6259680 r4:00000000 [ 123.469961] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 123.477103] r10:00000004 r9:00000000 r8:00000000 r7:b6dbe000 r6:c6100000 r5:c6259680 [ 123.484936] r4:c6259680 [ 123.487480] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 123.494623] r9:c6100000 r8:c03002e4 r7:00000004 r6:b6f05e00 r5:0000001f r4:0000001f [ 123.502378] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 123.509952] Exception stack(0xc6101fa8 to 0xc6101ff0) [ 123.515013] 1fa0: 0000001f 0000001f 00000001 b6dbe000 0000001f 00000000 [ 123.523198] 1fc0: 0000001f 0000001f b6f05e00 00000004 00000001 00000000 00020000 be9efa54 [ 123.531381] 1fe0: 00000004 be9ef788 b6e704cf b6df67e6 [ 123.536485] irq event stamp: 0 [ 123.539556] hardirqs last enabled at (0): [<00000000>] 0x0 [ 123.545168] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 123.552669] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 123.560220] softirqs last disabled at (0): [<00000000>] 0x0 [ 123.565852] ---[ end trace 3f0f7cd99f406d92 ]--- [ 123.570484] lkdtm: Negative detected: saturated # [ 123.253583] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 123.260434] lkdtm: attempting bad refcount_sub_and_test() below zero # [ 123.266843] ------------[ cut here ]------------ # [ 123.271493] WARNING: CPU: 2 PID: 2948 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 123.280071] refcount_t: underflow; use-after-free. # [ 123.284901] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 123.314057] CPU: 2 PID: 2948 Comm: cat Tainted: G D W 5.10.155-cip20 #1 # [ 123.321807] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 123.328340] Backtrace: # [ 123.330816] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 123.338395] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7f4 # [ 123.344068] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 123.351392] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 123.358364] r9:00000009 r8:c086e534 r7:0000001c r6:00000009 r5:c086e534 r4:c1a24e8c # [ 123.366118] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 123.373607] r7:0000001c r6:c1a24e8c r5:c1a24ec8 r4:c6100000 # [ 123.379280] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 123.388335] r9:c1ad0ec4 r8:c15e8634 r7:c6101f60 r6:0000001f r5:c6031000 r4:c6100000 # [ 123.396091] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 123.406540] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x50/0x8c) # [ 123.418206] [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 123.428123] r4:00000032 # [ 123.430670] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 123.438687] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 123.446612] r9:c6101f60 r8:c3022c00 r7:0000001f r6:b6dbe000 r5:c6259680 r4:c0c2f408 # [ 123.454371] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 123.462209] r9:c07f5fd4 r8:c6101f60 r7:c2816000 r6:b6dbe000 r5:c6259680 r4:00000000 # [ 123.469961] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 123.477103] r10:00000004 r9:00000000 r8:00000000 r7:b6dbe000 r6:c6100000 r5:c6259680 # [ 123.484936] r4:c6259680 # [ 123.487480] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 123.494623] r9:c6100000 r8:c03002e4 r7:00000004 r6:b6f05e00 r5:0000001f r4:0000001f # [ 123.502378] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 123.509952] Exception stack(0xc6101fa8 to 0xc6101ff0) # [ 123.515013] 1fa0: 0000001f 0000001f 00000001 b6dbe000 0000001f 00000000 # [ 123.523198] 1fc0: 0000001f 0000001f b6f05e00 00000004 00000001 00000000 00020000 be9efa54 # [ 123.531381] 1fe0: 00000004 be9ef788 b6e704cf b6df67e6 # [ 123.536485] irq event stamp: 0 # [ 123.539556] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 123.545168] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 123.552669] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 123.560220] softirqs last disabled at (0): [<00000000>] 0x0 # [ 123.565852] ---[ end trace 3f0f7cd99f406d92 ]--- # [ 123.570484] lkdtm: Negative detected: saturated # REFCOUNT_SUB_AND_TEST_NEGATIVE: saw 'Negative detected: saturated': ok ok 49 selftests: lkdtm: REFCOUNT_SUB_AND_TEST_N[ 124.008319] lkdtm: Performing direct entry REFCOUNT_INC_ZERO EGATIVE.sh # selftests: lkdtm: R[ 124.015861] lkdtm: attempting safe refcount_inc_not_zero() from zero EFCOUNT_INC_ZERO.sh [ 124.025049] lkdtm: Good: zero detected [ 124.030565] lkdtm: Correctly stayed at zero [ 124.034791] lkdtm: attempting bad refcount_inc() from zero [ 124.040288] ------------[ cut here ]------------ [ 124.044965] WARNING: CPU: 3 PID: 2980 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 [ 124.053528] refcount_t: addition on 0; use-after-free. [ 124.058676] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 [ 124.087894] CPU: 3 PID: 2980 Comm: cat Tainted: G D W 5.10.155-cip20 #1 [ 124.095644] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 124.102175] Backtrace: [ 124.104650] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 124.112231] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7f4 [ 124.117903] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 124.125226] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 124.132198] r9:00000009 r8:c086e500 r7:00000019 r6:00000009 r5:c086e500 r4:c1a24e8c [ 124.139952] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 124.147443] r7:00000019 r6:c1a24e8c r5:c1a24e9c r4:c5f0e000 [ 124.153116] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) [ 124.162170] r9:c1ad0ee4 r8:c15e8634 r7:c5f0ff60 r6:00000012 r5:00000000 r4:c5f0e000 [ 124.169924] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) [ 124.179590] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_ZERO+0xa8/0xcc) [ 124.189347] [] (lkdtm_REFCOUNT_INC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) [ 124.198137] r5:c64e3000 r4:00000033 [ 124.201724] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 124.209743] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 124.217668] r9:c5f0ff60 r8:c3022c00 r7:00000012 r6:b6ea8000 r5:c5e29900 r4:c0c2f408 [ 124.225426] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 124.233264] r9:c07f5fd4 r8:c5f0ff60 r7:c2816000 r6:b6ea8000 r5:c5e29900 r4:00000000 [ 124.241016] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 124.248160] r10:00000004 r9:00000000 r8:00000000 r7:b6ea8000 r6:c5f0e000 r5:c5e29900 [ 124.255994] r4:c5e29900 [ 124.258539] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 124.265684] r9:c5f0e000 r8:c03002e4 r7:00000004 r6:b6fefe00 r5:00000012 r4:00000012 [ 124.273438] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 124.281013] Exception stack(0xc5f0ffa8 to 0xc5f0fff0) [ 124.286073] ffa0: 00000012 00000012 00000001 b6ea8000 00000012 00000000 [ 124.294259] ffc0: 00000012 00000012 b6fefe00 00000004 00000001 00000000 00020000 beabca54 [ 124.302441] ffe0: 00000004 beabc788 b6f5a4cf b6ee07e6 [ 124.307544] irq event stamp: 0 [ 124.310616] hardirqs last enabled at (0): [<00000000>] 0x0 [ 124.316231] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 124.323795] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 124.331305] softirqs last disabled at (0): [<00000000>] 0x0 [ 124.336931] ---[ end trace 3f0f7cd99f406d93 ]--- [ 124.341567] lkdtm: Zero detected: saturated # [ 124.008319] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 124.015861] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 124.025049] lkdtm: Good: zero detected # [ 124.030565] lkdtm: Correctly stayed at zero # [ 124.034791] lkdtm: attempting bad refcount_inc() from zero # [ 124.040288] ------------[ cut here ]------------ # [ 124.044965] WARNING: CPU: 3 PID: 2980 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 # [ 124.053528] refcount_t: addition on 0; use-after-free. # [ 124.058676] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 124.087894] CPU: 3 PID: 2980 Comm: cat Tainted: G D W 5.10.155-cip20 #1 # [ 124.095644] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 124.102175] Backtrace: # [ 124.104650] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 124.112231] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7f4 # [ 124.117903] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 124.125226] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 124.132198] r9:00000009 r8:c086e500 r7:00000019 r6:00000009 r5:c086e500 r4:c1a24e8c # [ 124.139952] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 124.147443] r7:00000019 r6:c1a24e8c r5:c1a24e9c r4:c5f0e000 # [ 124.153116] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) # [ 124.162170] r9:c1ad0ee4 r8:c15e8634 r7:c5f0ff60 r6:00000012 r5:00000000 r4:c5f0e000 # [ 124.169924] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) # [ 124.179590] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_ZERO+0xa8/0xcc) # [ 124.189347] [] (lkdtm_REFCOUNT_INC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 124.198137] r5:c64e3000 r4:00000033 # [ 124.201724] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 124.209743] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 124.217668] r9:c5f0ff60 r8:c3022c00 r7:00000012 r6:b6ea8000 r5:c5e29900 r4:c0c2f408 # [ 124.225426] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 124.233264] r9:c07f5fd4 r8:c5f0ff60 r7:c2816000 r6:b6ea8000 r5:c5e29900 r4:00000000 # [ 124.241016] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 124.248160] r10:00000004 r9:00000000 r8:00000000 r7:b6ea8000 r6:c5f0e000 r5:c5e29900 # [ 124.255994] r4:c5e29900 # [ 124.258539] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 124.265684] r9:c5f0e000 r8:c03002e4 r7:00000004 r6:b6fefe00 r5:00000012 r4:00000012 # [ 124.273438] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 124.281013] Exception stack(0xc5f0ffa8 to 0xc5f0fff0) # [ 124.286073] ffa0: 00000012 00000012 00000001 b6ea8000 00000012 00000000 # [ 124.294259] ffc0: 00000012 00000012 b6fefe00 00000004 00000001 00000000 00020000 beabca54 # [ 124.302441] ffe0: 00000004 beabc788 b6f5a4cf b6ee07e6 # [ 124.307544] irq event stamp: 0 # [ 124.310616] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 124.316231] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 124.323795] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 124.331305] softirqs last disabled at (0): [<00000000>] 0x0 # [ 124.336931] ---[ end trace 3f0f7cd99f406d93 ]--- # [ 124.341567] lkdtm: Zero detected: saturated # REFCOUNT_INC_ZERO: missing 'call trace:': [FAIL] not ok 50 selftests: lkdtm: REFCOUNT_INC_ZERO.sh # exit=1 # selftests: lkdtm: R[ 124.786896] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO EFCOUNT_ADD_ZERO.sh [ 124.793918] lkdtm: attempting safe refcount_add_not_zero() from zero [ 124.802048] lkdtm: Good: zero detected [ 124.805883] lkdtm: Correctly stayed at zero [ 124.810082] lkdtm: attempting bad refcount_add() from zero [ 124.815629] ------------[ cut here ]------------ [ 124.820283] WARNING: CPU: 3 PID: 3014 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 [ 124.828855] refcount_t: addition on 0; use-after-free. [ 124.834041] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 [ 124.863276] CPU: 3 PID: 3014 Comm: cat Tainted: G D W 5.10.155-cip20 #1 [ 124.871028] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 124.877565] Backtrace: [ 124.880048] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 124.887632] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7f4 [ 124.893309] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 124.900637] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 124.907611] r9:00000009 r8:c086e500 r7:00000019 r6:00000009 r5:c086e500 r4:c1a24e8c [ 124.915370] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 124.922865] r7:00000019 r6:c1a24e8c r5:c1a24e9c r4:c5bfa000 [ 124.928544] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) [ 124.937602] r9:c1ad0ef8 r8:c15e8634 r7:c5bfbf60 r6:00000012 r5:00000000 r4:c5bfa000 [ 124.945365] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) [ 124.955036] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_ZERO+0xa8/0xcc) [ 124.964799] [] (lkdtm_REFCOUNT_ADD_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) [ 124.973593] r5:c5a16000 r4:00000034 [ 124.977185] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 124.985208] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 124.993137] r9:c5bfbf60 r8:c3022c00 r7:00000012 r6:b6dce000 r5:c6235540 r4:c0c2f408 [ 125.000898] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 125.008741] r9:c07f5fd4 r8:c5bfbf60 r7:c2816000 r6:b6dce000 r5:c6235540 r4:00000000 [ 125.016498] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 125.023645] r10:00000004 r9:00000000 r8:00000000 r7:b6dce000 r6:c5bfa000 r5:c6235540 [ 125.031481] r4:c6235540 [ 125.034030] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 125.041177] r9:c5bfa000 r8:c03002e4 r7:00000004 r6:b6f15e00 r5:00000012 r4:00000012 [ 125.048938] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 125.056515] Exception stack(0xc5bfbfa8 to 0xc5bfbff0) [ 125.061580] bfa0: 00000012 00000012 00000001 b6dce000 00000012 00000000 [ 125.069770] bfc0: 00000012 00000012 b6f15e00 00000004 00000001 00000000 00020000 bef91a54 [ 125.077957] bfe0: 00000004 bef91788 b6e804cf b6e067e6 [ 125.083105] irq event stamp: 0 [ 125.086222] hardirqs last enabled at (0): [<00000000>] 0x0 [ 125.091820] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 125.099362] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 125.106912] softirqs last disabled at (0): [<00000000>] 0x0 [ 125.112505] ---[ end trace 3f0f7cd99f406d94 ]--- [ 125.117199] lkdtm: Zero detected: saturated # [ 124.786896] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 124.793918] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 124.802048] lkdtm: Good: zero detected # [ 124.805883] lkdtm: Correctly stayed at zero # [ 124.810082] lkdtm: attempting bad refcount_add() from zero # [ 124.815629] ------------[ cut here ]------------ # [ 124.820283] WARNING: CPU: 3 PID: 3014 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 # [ 124.828855] refcount_t: addition on 0; use-after-free. # [ 124.834041] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 124.863276] CPU: 3 PID: 3014 Comm: cat Tainted: G D W 5.10.155-cip20 #1 # [ 124.871028] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 124.877565] Backtrace: # [ 124.880048] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 124.887632] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7f4 # [ 124.893309] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 124.900637] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 124.907611] r9:00000009 r8:c086e500 r7:00000019 r6:00000009 r5:c086e500 r4:c1a24e8c # [ 124.915370] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 124.922865] r7:00000019 r6:c1a24e8c r5:c1a24e9c r4:c5bfa000 # [ 124.928544] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) # [ 124.937602] r9:c1ad0ef8 r8:c15e8634 r7:c5bfbf60 r6:00000012 r5:00000000 r4:c5bfa000 # [ 124.945365] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) # [ 124.955036] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_ZERO+0xa8/0xcc) # [ 124.964799] [] (lkdtm_REFCOUNT_ADD_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 124.973593] r5:c5a16000 r4:00000034 # [ 124.977185] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 124.985208] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 124.993137] r9:c5bfbf60 r8:c3022c00 r7:00000012 r6:b6dce000 r5:c6235540 r4:c0c2f408 # [ 125.000898] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 125.008741] r9:c07f5fd4 r8:c5bfbf60 r7:c2816000 r6:b6dce000 r5:c6235540 r4:00000000 # [ 125.016498] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 125.023645] r10:00000004 r9:00000000 r8:00000000 r7:b6dce000 r6:c5bfa000 r5:c6235540 # [ 125.031481] r4:c6235540 # [ 125.034030] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 125.041177] r9:c5bfa000 r8:c03002e4 r7:00000004 r6:b6f15e00 r5:00000012 r4:00000012 # [ 125.048938] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 125.056515] Exception stack(0xc5bfbfa8 to 0xc5bfbff0) # [ 125.061580] bfa0: 00000012 00000012 00000001 b6dce000 00000012 00000000 # [ 125.069770] bfc0: 00000012 00000012 b6f15e00 00000004 00000001 00000000 00020000 bef91a54 # [ 125.077957] bfe0: 00000004 bef91788 b6e804cf b6e067e6 # [ 125.083105] irq event stamp: 0 # [ 125.086222] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 125.091820] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 125.099362] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 125.106912] softirqs last disabled at (0): [<00000000>] 0x0 # [ 125.112505] ---[ end trace 3f0f7cd99f406d94 ]--- # [ 125.117199] 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 [ 125.587018] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED [ 125.593138] lkdtm: attempting bad refcount_inc() from saturated [ 125.599192] ------------[ cut here ]------------ [ 125.603890] WARNING: CPU: 0 PID: 3051 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 [ 125.612372] refcount_t: saturated; leaking memory. [ 125.617218] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 [ 125.646375] CPU: 0 PID: 3051 Comm: cat Tainted: G D W 5.10.155-cip20 #1 [ 125.654125] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 125.660656] Backtrace: [ 125.663132] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 125.670712] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7f4 [ 125.676386] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 125.683712] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 125.690684] r9:00000009 r8:c086e4cc r7:00000016 r6:00000009 r5:c086e4cc r4:c1a24e8c [ 125.698439] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 125.705929] r7:00000016 r6:c1a24e8c r5:c1a24e64 r4:c5bfa000 [ 125.711603] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) [ 125.720571] r9:c1ad0f0c r8:c15e8634 r7:c5bfbf60 r6:00000017 r5:c448e000 r4:c5bfa000 [ 125.728329] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) [ 125.737997] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_SATURATED+0x4c/0x70) [ 125.748186] [] (lkdtm_REFCOUNT_INC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) [ 125.757409] r4:00000035 [ 125.759953] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 125.767972] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 125.775900] r9:c5bfbf60 r8:c3022c00 r7:00000017 r6:b6ddb000 r5:c59d7180 r4:c0c2f408 [ 125.783658] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 125.791496] r9:c07f5fd4 r8:c5bfbf60 r7:c2816000 r6:b6ddb000 r5:c59d7180 r4:00000000 [ 125.799248] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 125.806393] r10:00000004 r9:00000000 r8:00000000 r7:b6ddb000 r6:c5bfa000 r5:c59d7180 [ 125.814227] r4:c59d7180 [ 125.816773] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 125.823918] r9:c5bfa000 r8:c03002e4 r7:00000004 r6:b6f22e00 r5:00000017 r4:00000017 [ 125.831673] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 125.839247] Exception stack(0xc5bfbfa8 to 0xc5bfbff0) [ 125.844308] bfa0: 00000017 00000017 00000001 b6ddb000 00000017 00000000 [ 125.852495] bfc0: 00000017 00000017 b6f22e00 00000004 00000001 00000000 00020000 bea88a54 [ 125.860680] bfe0: 00000004 bea88788 b6e8d4cf b6e137e6 [ 125.865782] irq event stamp: 0 [ 125.868856] hardirqs last enabled at (0): [<00000000>] 0x0 [ 125.874480] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 125.881996] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 125.889541] softirqs last disabled at (0): [<00000000>] 0x0 [ 125.895152] ---[ end trace 3f0f7cd99f406d95 ]--- [ 125.899781] lkdtm: Saturation detected: still saturated # [ 125.587018] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 125.593138] lkdtm: attempting bad refcount_inc() from saturated # [ 125.599192] ------------[ cut here ]------------ # [ 125.603890] WARNING: CPU: 0 PID: 3051 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 125.612372] refcount_t: saturated; leaking memory. # [ 125.617218] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 125.646375] CPU: 0 PID: 3051 Comm: cat Tainted: G D W 5.10.155-cip20 #1 # [ 125.654125] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 125.660656] Backtrace: # [ 125.663132] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 125.670712] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7f4 # [ 125.676386] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 125.683712] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 125.690684] r9:00000009 r8:c086e4cc r7:00000016 r6:00000009 r5:c086e4cc r4:c1a24e8c # [ 125.698439] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 125.705929] r7:00000016 r6:c1a24e8c r5:c1a24e64 r4:c5bfa000 # [ 125.711603] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 125.720571] r9:c1ad0f0c r8:c15e8634 r7:c5bfbf60 r6:00000017 r5:c448e000 r4:c5bfa000 # [ 125.728329] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 125.737997] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_SATURATED+0x4c/0x70) # [ 125.748186] [] (lkdtm_REFCOUNT_INC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 125.757409] r4:00000035 # [ 125.759953] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 125.767972] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 125.775900] r9:c5bfbf60 r8:c3022c00 r7:00000017 r6:b6ddb000 r5:c59d7180 r4:c0c2f408 # [ 125.783658] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 125.791496] r9:c07f5fd4 r8:c5bfbf60 r7:c2816000 r6:b6ddb000 r5:c59d7180 r4:00000000 # [ 125.799248] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 125.806393] r10:00000004 r9:00000000 r8:00000000 r7:b6ddb000 r6:c5bfa000 r5:c59d7180 # [ 125.814227] r4:c59d7180 # [ 125.816773] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 125.823918] r9:c5bfa000 r8:c03002e4 r7:00000004 r6:b6f22e00 r5:00000017 r4:00000017 # [ 125.831673] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 125.839247] Exception stack(0xc5bfbfa8 to 0xc5bfbff0) # [ 125.844308] bfa0: 00000017 00000017 00000001 b6ddb000 00000017 00000000 # [ 125.852495] bfc0: 00000017 00000017 b6f22e00 00000004 00000001 00000000 00020000 bea88a54 # [ 125.860680] bfe0: 00000004 bea88788 b6e8d4cf b6e137e6 # [ 125.865782] irq event stamp: 0 # [ 125.868856] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 125.874480] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 125.881996] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 125.889541] softirqs last disabled at (0): [<00000000>] 0x0 # [ 125.895152] ---[ end trace 3f0f7cd99f406d95 ]--- # [ 125.899781] 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 [ 126.376166] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED [ 126.382280] lkdtm: attempting bad refcount_dec() from saturated [ 126.388387] ------------[ cut here ]------------ [ 126.393072] WARNING: CPU: 0 PID: 3086 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 [ 126.401571] refcount_t: decrement hit 0; leaking memory. [ 126.407012] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 [ 126.436567] CPU: 0 PID: 3086 Comm: cat Tainted: G D W 5.10.155-cip20 #1 [ 126.444318] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 126.450851] Backtrace: [ 126.453324] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 126.460903] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7f4 [ 126.466575] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 126.473900] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 126.480871] r9:00000009 r8:c086e464 r7:0000001f r6:00000009 r5:c086e464 r4:c1a24e8c [ 126.488627] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 126.496116] r7:0000001f r6:c1a24e8c r5:c1a24ef0 r4:c6552000 [ 126.501791] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) [ 126.510759] r9:c1ad0f24 r8:c15e8634 r7:c6553f60 r6:00000017 r5:c58b7000 r4:c6552000 [ 126.518516] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) [ 126.528180] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_SATURATED+0x48/0x6c) [ 126.538372] [] (lkdtm_REFCOUNT_DEC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) [ 126.547594] r4:00000036 [ 126.550140] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 126.558158] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 126.566085] r9:c6553f60 r8:c3022c00 r7:00000017 r6:b6e8e000 r5:c5a86f00 r4:c0c2f408 [ 126.573841] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 126.581680] r9:c07f5fd4 r8:c6553f60 r7:c2816000 r6:b6e8e000 r5:c5a86f00 r4:00000000 [ 126.589431] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 126.596576] r10:00000004 r9:00000000 r8:00000000 r7:b6e8e000 r6:c6552000 r5:c5a86f00 [ 126.604408] r4:c5a86f00 [ 126.606954] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 126.614097] r9:c6552000 r8:c03002e4 r7:00000004 r6:b6fd5e00 r5:00000017 r4:00000017 [ 126.621852] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 126.629426] Exception stack(0xc6553fa8 to 0xc6553ff0) [ 126.634488] 3fa0: 00000017 00000017 00000001 b6e8e000 00000017 00000000 [ 126.642674] 3fc0: 00000017 00000017 b6fd5e00 00000004 00000001 00000000 00020000 beff7a54 [ 126.650856] 3fe0: 00000004 beff7788 b6f404cf b6ec67e6 [ 126.655946] irq event stamp: 0 [ 126.659019] hardirqs last enabled at (0): [<00000000>] 0x0 [ 126.664632] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 126.672133] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 126.679672] softirqs last disabled at (0): [<00000000>] 0x0 [ 126.685282] ---[ end trace 3f0f7cd99f406d96 ]--- [ 126.689910] lkdtm: Saturation detected: still saturated # [ 126.376166] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 126.382280] lkdtm: attempting bad refcount_dec() from saturated # [ 126.388387] ------------[ cut here ]------------ # [ 126.393072] WARNING: CPU: 0 PID: 3086 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 # [ 126.401571] refcount_t: decrement hit 0; leaking memory. # [ 126.407012] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 126.436567] CPU: 0 PID: 3086 Comm: cat Tainted: G D W 5.10.155-cip20 #1 # [ 126.444318] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 126.450851] Backtrace: # [ 126.453324] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 126.460903] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7f4 # [ 126.466575] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 126.473900] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 126.480871] r9:00000009 r8:c086e464 r7:0000001f r6:00000009 r5:c086e464 r4:c1a24e8c # [ 126.488627] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 126.496116] r7:0000001f r6:c1a24e8c r5:c1a24ef0 r4:c6552000 # [ 126.501791] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) # [ 126.510759] r9:c1ad0f24 r8:c15e8634 r7:c6553f60 r6:00000017 r5:c58b7000 r4:c6552000 # [ 126.518516] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) # [ 126.528180] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_SATURATED+0x48/0x6c) # [ 126.538372] [] (lkdtm_REFCOUNT_DEC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 126.547594] r4:00000036 # [ 126.550140] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 126.558158] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 126.566085] r9:c6553f60 r8:c3022c00 r7:00000017 r6:b6e8e000 r5:c5a86f00 r4:c0c2f408 # [ 126.573841] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 126.581680] r9:c07f5fd4 r8:c6553f60 r7:c2816000 r6:b6e8e000 r5:c5a86f00 r4:00000000 # [ 126.589431] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 126.596576] r10:00000004 r9:00000000 r8:00000000 r7:b6e8e000 r6:c6552000 r5:c5a86f00 # [ 126.604408] r4:c5a86f00 # [ 126.606954] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 126.614097] r9:c6552000 r8:c03002e4 r7:00000004 r6:b6fd5e00 r5:00000017 r4:00000017 # [ 126.621852] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 126.629426] Exception stack(0xc6553fa8 to 0xc6553ff0) # [ 126.634488] 3fa0: 00000017 00000017 00000001 b6e8e000 00000017 00000000 # [ 126.642674] 3fc0: 00000017 00000017 b6fd5e00 00000004 00000001 00000000 00020000 beff7a54 # [ 126.650856] 3fe0: 00000004 beff7788 b6f404cf b6ec67e6 # [ 126.655946] irq event stamp: 0 # [ 126.659019] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 126.664632] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 126.672133] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 126.679672] softirqs last disabled at (0): [<00000000>] 0x0 # [ 126.685282] ---[ end trace 3f0f7cd99f406d96 ]--- # [ 126.689910] 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 [ 127.173440] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED [ 127.179555] lkdtm: attempting bad refcount_dec() from saturated [ 127.185615] ------------[ cut here ]------------ [ 127.190300] WARNING: CPU: 3 PID: 3121 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 [ 127.198813] refcount_t: saturated; leaking memory. [ 127.203716] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 [ 127.233197] CPU: 3 PID: 3121 Comm: cat Tainted: G D W 5.10.155-cip20 #1 [ 127.240946] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 127.247480] Backtrace: [ 127.249956] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 127.257535] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7f4 [ 127.263209] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 127.270534] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 127.277504] r9:00000009 r8:c086e4cc r7:00000016 r6:00000009 r5:c086e4cc r4:c1a24e8c [ 127.285258] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 127.292746] r7:00000016 r6:c1a24e8c r5:c1a24e64 r4:c5b0c000 [ 127.298421] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) [ 127.307388] r9:c1ad0f3c r8:c15e8634 r7:c5b0df60 r6:00000017 r5:c64e3000 r4:c5b0c000 [ 127.315146] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) [ 127.324814] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_SATURATED+0x4c/0x70) [ 127.335003] [] (lkdtm_REFCOUNT_ADD_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) [ 127.344226] r4:00000037 [ 127.346772] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 127.354790] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 127.362714] r9:c5b0df60 r8:c3022c00 r7:00000017 r6:b6e46000 r5:c44dea00 r4:c0c2f408 [ 127.370473] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 127.378311] r9:c07f5fd4 r8:c5b0df60 r7:c2816000 r6:b6e46000 r5:c44dea00 r4:00000000 [ 127.386064] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 127.393208] r10:00000004 r9:00000000 r8:00000000 r7:b6e46000 r6:c5b0c000 r5:c44dea00 [ 127.401041] r4:c44dea00 [ 127.403586] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 127.410729] r9:c5b0c000 r8:c03002e4 r7:00000004 r6:b6f8de00 r5:00000017 r4:00000017 [ 127.418484] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 127.426058] Exception stack(0xc5b0dfa8 to 0xc5b0dff0) [ 127.431120] dfa0: 00000017 00000017 00000001 b6e46000 00000017 00000000 [ 127.439308] dfc0: 00000017 00000017 b6f8de00 00000004 00000001 00000000 00020000 bef5fa54 [ 127.447493] dfe0: 00000004 bef5f788 b6ef84cf b6e7e7e6 [ 127.452608] irq event stamp: 0 [ 127.455703] hardirqs last enabled at (0): [<00000000>] 0x0 [ 127.461292] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 127.468833] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 127.476403] softirqs last disabled at (0): [<00000000>] 0x0 [ 127.481998] ---[ end trace 3f0f7cd99f406d97 ]--- [ 127.486675] lkdtm: Saturation detected: still saturated # [ 127.173440] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 127.179555] lkdtm: attempting bad refcount_dec() from saturated # [ 127.185615] ------------[ cut here ]------------ # [ 127.190300] WARNING: CPU: 3 PID: 3121 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 127.198813] refcount_t: saturated; leaking memory. # [ 127.203716] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 127.233197] CPU: 3 PID: 3121 Comm: cat Tainted: G D W 5.10.155-cip20 #1 # [ 127.240946] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 127.247480] Backtrace: # [ 127.249956] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 127.257535] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7f4 # [ 127.263209] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 127.270534] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 127.277504] r9:00000009 r8:c086e4cc r7:00000016 r6:00000009 r5:c086e4cc r4:c1a24e8c # [ 127.285258] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 127.292746] r7:00000016 r6:c1a24e8c r5:c1a24e64 r4:c5b0c000 # [ 127.298421] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 127.307388] r9:c1ad0f3c r8:c15e8634 r7:c5b0df60 r6:00000017 r5:c64e3000 r4:c5b0c000 # [ 127.315146] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 127.324814] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_SATURATED+0x4c/0x70) # [ 127.335003] [] (lkdtm_REFCOUNT_ADD_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 127.344226] r4:00000037 # [ 127.346772] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 127.354790] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 127.362714] r9:c5b0df60 r8:c3022c00 r7:00000017 r6:b6e46000 r5:c44dea00 r4:c0c2f408 # [ 127.370473] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 127.378311] r9:c07f5fd4 r8:c5b0df60 r7:c2816000 r6:b6e46000 r5:c44dea00 r4:00000000 # [ 127.386064] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 127.393208] r10:00000004 r9:00000000 r8:00000000 r7:b6e46000 r6:c5b0c000 r5:c44dea00 # [ 127.401041] r4:c44dea00 # [ 127.403586] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 127.410729] r9:c5b0c000 r8:c03002e4 r7:00000004 r6:b6f8de00 r5:00000017 r4:00000017 # [ 127.418484] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 127.426058] Exception stack(0xc5b0dfa8 to 0xc5b0dff0) # [ 127.431120] dfa0: 00000017 00000017 00000001 b6e46000 00000017 00000000 # [ 127.439308] dfc0: 00000017 00000017 b6f8de00 00000004 00000001 00000000 00020000 bef5fa54 # [ 127.447493] dfe0: 00000004 bef5f788 b6ef84cf b6e7e7e6 # [ 127.452608] irq event stamp: 0 # [ 127.455703] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 127.461292] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 127.468833] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 127.476403] softirqs last disabled at (0): [<00000000>] 0x0 # [ 127.481998] ---[ end trace 3f0f7cd99f406d97 ]--- # [ 127.486675] 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 [ 127.957598] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED [ 127.964600] lkdtm: attempting bad refcount_inc_not_zero() from saturated [ 127.971338] ------------[ cut here ]------------ [ 127.976036] WARNING: CPU: 3 PID: 3153 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 [ 127.984531] refcount_t: saturated; leaking memory. [ 127.989333] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 [ 128.018511] CPU: 3 PID: 3153 Comm: cat Tainted: G D W 5.10.155-cip20 #1 [ 128.026261] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 128.032793] Backtrace: [ 128.035269] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 128.042848] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7f4 [ 128.048524] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 128.055848] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 128.062820] r9:00000009 r8:c086e498 r7:00000013 r6:00000009 r5:c086e498 r4:c1a24e8c [ 128.070574] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 128.078064] r7:00000013 r6:c1a24e8c r5:c1a24e64 r4:c5b0a000 [ 128.083741] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) [ 128.092709] r9:c1ad0f54 r8:c15e8634 r7:c5b0bf60 r6:00000020 r5:c5a16000 r4:c0000000 [ 128.100468] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) [ 128.110915] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x50/0x88) [ 128.122657] r5:c5a16000 r4:c5b0a000 [ 128.126251] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) [ 128.136255] r4:00000038 [ 128.138801] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 128.146821] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 128.154745] r9:c5b0bf60 r8:c3022c00 r7:00000020 r6:b6e9e000 r5:c5b13b80 r4:c0c2f408 [ 128.162503] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 128.170342] r9:c07f5fd4 r8:c5b0bf60 r7:c2816000 r6:b6e9e000 r5:c5b13b80 r4:00000000 [ 128.178094] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 128.185238] r10:00000004 r9:00000000 r8:00000000 r7:b6e9e000 r6:c5b0a000 r5:c5b13b80 [ 128.193070] r4:c5b13b80 [ 128.195615] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 128.202759] r9:c5b0a000 r8:c03002e4 r7:00000004 r6:b6fe5e00 r5:00000020 r4:00000020 [ 128.210515] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 128.218090] Exception stack(0xc5b0bfa8 to 0xc5b0bff0) [ 128.223152] bfa0: 00000020 00000020 00000001 b6e9e000 00000020 00000000 [ 128.231339] bfc0: 00000020 00000020 b6fe5e00 00000004 00000001 00000000 00020000 beac4a54 [ 128.239522] bfe0: 00000004 beac4788 b6f504cf b6ed67e6 [ 128.244629] irq event stamp: 0 [ 128.247702] hardirqs last enabled at (0): [<00000000>] 0x0 [ 128.253314] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 128.260841] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 128.268383] softirqs last disabled at (0): [<00000000>] 0x0 [ 128.273998] ---[ end trace 3f0f7cd99f406d98 ]--- [ 128.278629] lkdtm: Saturation detected: still saturated # [ 127.957598] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 127.964600] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 127.971338] ------------[ cut here ]------------ # [ 127.976036] WARNING: CPU: 3 PID: 3153 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 127.984531] refcount_t: saturated; leaking memory. # [ 127.989333] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 128.018511] CPU: 3 PID: 3153 Comm: cat Tainted: G D W 5.10.155-cip20 #1 # [ 128.026261] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 128.032793] Backtrace: # [ 128.035269] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 128.042848] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7f4 # [ 128.048524] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 128.055848] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 128.062820] r9:00000009 r8:c086e498 r7:00000013 r6:00000009 r5:c086e498 r4:c1a24e8c # [ 128.070574] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 128.078064] r7:00000013 r6:c1a24e8c r5:c1a24e64 r4:c5b0a000 # [ 128.083741] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 128.092709] r9:c1ad0f54 r8:c15e8634 r7:c5b0bf60 r6:00000020 r5:c5a16000 r4:c0000000 # [ 128.100468] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 128.110915] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x50/0x88) # [ 128.122657] r5:c5a16000 r4:c5b0a000 # [ 128.126251] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 128.136255] r4:00000038 # [ 128.138801] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 128.146821] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 128.154745] r9:c5b0bf60 r8:c3022c00 r7:00000020 r6:b6e9e000 r5:c5b13b80 r4:c0c2f408 # [ 128.162503] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 128.170342] r9:c07f5fd4 r8:c5b0bf60 r7:c2816000 r6:b6e9e000 r5:c5b13b80 r4:00000000 # [ 128.178094] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 128.185238] r10:00000004 r9:00000000 r8:00000000 r7:b6e9e000 r6:c5b0a000 r5:c5b13b80 # [ 128.193070] r4:c5b13b80 # [ 128.195615] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 128.202759] r9:c5b0a000 r8:c03002e4 r7:00000004 r6:b6fe5e00 r5:00000020 r4:00000020 # [ 128.210515] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 128.218090] Exception stack(0xc5b0bfa8 to 0xc5b0bff0) # [ 128.223152] bfa0: 00000020 00000020 00000001 b6e9e000 00000020 00000000 # [ 128.231339] bfc0: 00000020 00000020 b6fe5e00 00000004 00000001 00000000 00020000 beac4a54 # [ 128.239522] bfe0: 00000004 beac4788 b6f504cf b6ed67e6 # [ 128.244629] irq event stamp: 0 # [ 128.247702] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 128.253314] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 128.260841] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 128.268383] softirqs last disabled at (0): [<00000000>] 0x0 # [ 128.273998] ---[ end trace 3f0f7cd99f406d98 ]--- # [ 128.278629] 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 [ 128.744672] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED [ 128.751573] lkdtm: attempting bad refcount_add_not_zero() from saturated [ 128.758345] ------------[ cut here ]------------ [ 128.763016] WARNING: CPU: 2 PID: 3187 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 [ 128.771629] refcount_t: saturated; leaking memory. [ 128.776494] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 [ 128.805672] CPU: 2 PID: 3187 Comm: cat Tainted: G D W 5.10.155-cip20 #1 [ 128.813422] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 128.819953] Backtrace: [ 128.822431] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 128.830012] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7f4 [ 128.835687] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 128.843012] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 128.849983] r9:00000009 r8:c086e498 r7:00000013 r6:00000009 r5:c086e498 r4:c1a24e8c [ 128.857739] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 128.865229] r7:00000013 r6:c1a24e8c r5:c1a24e64 r4:c5cd6000 [ 128.870906] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) [ 128.879875] r9:c1ad0f74 r8:c15e8634 r7:c5cd7f60 r6:00000020 r5:c61da000 r4:c0000000 [ 128.887632] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) [ 128.898082] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x50/0x88) [ 128.909825] r5:c61da000 r4:c5cd6000 [ 128.913419] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) [ 128.923424] r4:00000039 [ 128.925972] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 128.933991] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 128.941917] r9:c5cd7f60 r8:c3022c00 r7:00000020 r6:b6ea8000 r5:c5885900 r4:c0c2f408 [ 128.949677] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 128.957517] r9:c07f5fd4 r8:c5cd7f60 r7:c2816000 r6:b6ea8000 r5:c5885900 r4:00000000 [ 128.965271] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 128.972416] r10:00000004 r9:00000000 r8:00000000 r7:b6ea8000 r6:c5cd6000 r5:c5885900 [ 128.980249] r4:c5885900 [ 128.982796] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 128.989940] r9:c5cd6000 r8:c03002e4 r7:00000004 r6:b6fefe00 r5:00000020 r4:00000020 [ 128.997696] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 129.005271] Exception stack(0xc5cd7fa8 to 0xc5cd7ff0) [ 129.010334] 7fa0: 00000020 00000020 00000001 b6ea8000 00000020 00000000 [ 129.018520] 7fc0: 00000020 00000020 b6fefe00 00000004 00000001 00000000 00020000 be8eba54 [ 129.026704] 7fe0: 00000004 be8eb788 b6f5a4cf b6ee07e6 [ 129.031811] irq event stamp: 0 [ 129.034919] hardirqs last enabled at (0): [<00000000>] 0x0 [ 129.040508] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 129.048047] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 129.055621] softirqs last disabled at (0): [<00000000>] 0x0 [ 129.061216] ---[ end trace 3f0f7cd99f406d99 ]--- [ 129.065887] lkdtm: Saturation detected: still saturated # [ 128.744672] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 128.751573] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 128.758345] ------------[ cut here ]------------ # [ 128.763016] WARNING: CPU: 2 PID: 3187 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 128.771629] refcount_t: saturated; leaking memory. # [ 128.776494] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 128.805672] CPU: 2 PID: 3187 Comm: cat Tainted: G D W 5.10.155-cip20 #1 # [ 128.813422] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 128.819953] Backtrace: # [ 128.822431] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 128.830012] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7f4 # [ 128.835687] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 128.843012] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 128.849983] r9:00000009 r8:c086e498 r7:00000013 r6:00000009 r5:c086e498 r4:c1a24e8c # [ 128.857739] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 128.865229] r7:00000013 r6:c1a24e8c r5:c1a24e64 r4:c5cd6000 # [ 128.870906] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 128.879875] r9:c1ad0f74 r8:c15e8634 r7:c5cd7f60 r6:00000020 r5:c61da000 r4:c0000000 # [ 128.887632] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 128.898082] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x50/0x88) # [ 128.909825] r5:c61da000 r4:c5cd6000 # [ 128.913419] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 128.923424] r4:00000039 # [ 128.925972] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 128.933991] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 128.941917] r9:c5cd7f60 r8:c3022c00 r7:00000020 r6:b6ea8000 r5:c5885900 r4:c0c2f408 # [ 128.949677] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 128.957517] r9:c07f5fd4 r8:c5cd7f60 r7:c2816000 r6:b6ea8000 r5:c5885900 r4:00000000 # [ 128.965271] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 128.972416] r10:00000004 r9:00000000 r8:00000000 r7:b6ea8000 r6:c5cd6000 r5:c5885900 # [ 128.980249] r4:c5885900 # [ 128.982796] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 128.989940] r9:c5cd6000 r8:c03002e4 r7:00000004 r6:b6fefe00 r5:00000020 r4:00000020 # [ 128.997696] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 129.005271] Exception stack(0xc5cd7fa8 to 0xc5cd7ff0) # [ 129.010334] 7fa0: 00000020 00000020 00000001 b6ea8000 00000020 00000000 # [ 129.018520] 7fc0: 00000020 00000020 b6fefe00 00000004 00000001 00000000 00020000 be8eba54 # [ 129.026704] 7fe0: 00000004 be8eb788 b6f5a4cf b6ee07e6 # [ 129.031811] irq event stamp: 0 # [ 129.034919] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 129.040508] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 129.048047] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 129.055621] softirqs last disabled at (0): [<00000000>] 0x0 # [ 129.061216] ---[ end trace 3f0f7cd99f406d99 ]--- # [ 129.065887] 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 [ 129.547029] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED [ 129.553978] lkdtm: attempting bad refcount_dec_and_test() from saturated [ 129.560694] ------------[ cut here ]------------ [ 129.565464] WARNING: CPU: 0 PID: 3224 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 [ 129.574069] refcount_t: underflow; use-after-free. [ 129.578871] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 [ 129.608117] CPU: 0 PID: 3224 Comm: cat Tainted: G D W 5.10.155-cip20 #1 [ 129.615866] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 129.622399] Backtrace: [ 129.624876] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 129.632455] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7f4 [ 129.638128] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 129.645453] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 129.652425] r9:00000009 r8:c086e534 r7:0000001c r6:00000009 r5:c086e534 r4:c1a24e8c [ 129.660181] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 129.667670] r7:0000001c r6:c1a24e8c r5:c1a24ec8 r4:c44dc000 [ 129.673346] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) [ 129.682402] r9:c1ad0f94 r8:c15e8634 r7:c44ddf60 r6:00000020 r5:c58b7000 r4:c44dc000 [ 129.690159] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) [ 129.700610] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x50/0x88) [ 129.712362] [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) [ 129.722368] r4:0000003a [ 129.724915] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 129.732933] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 129.740859] r9:c44ddf60 r8:c3022c00 r7:00000020 r6:b6e05000 r5:c47a2f00 r4:c0c2f408 [ 129.748617] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 129.756456] r9:c07f5fd4 r8:c44ddf60 r7:c2816000 r6:b6e05000 r5:c47a2f00 r4:00000000 [ 129.764209] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 129.771352] r10:00000004 r9:00000000 r8:00000000 r7:b6e05000 r6:c44dc000 r5:c47a2f00 [ 129.779185] r4:c47a2f00 [ 129.781730] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 129.788874] r9:c44dc000 r8:c03002e4 r7:00000004 r6:b6f4ce00 r5:00000020 r4:00000020 [ 129.796630] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 129.804204] Exception stack(0xc44ddfa8 to 0xc44ddff0) [ 129.809264] dfa0: 00000020 00000020 00000001 b6e05000 00000020 00000000 [ 129.817450] dfc0: 00000020 00000020 b6f4ce00 00000004 00000001 00000000 00020000 beaaba54 [ 129.825635] dfe0: 00000004 beaab788 b6eb74cf b6e3d7e6 [ 129.830732] irq event stamp: 0 [ 129.833824] hardirqs last enabled at (0): [<00000000>] 0x0 [ 129.839413] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 129.846950] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 129.854481] softirqs last disabled at (0): [<00000000>] 0x0 [ 129.860066] ---[ end trace 3f0f7cd99f406d9a ]--- [ 129.864719] lkdtm: Saturation detected: still saturated # [ 129.547029] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 129.553978] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 129.560694] ------------[ cut here ]------------ # [ 129.565464] WARNING: CPU: 0 PID: 3224 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 129.574069] refcount_t: underflow; use-after-free. # [ 129.578871] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 129.608117] CPU: 0 PID: 3224 Comm: cat Tainted: G D W 5.10.155-cip20 #1 # [ 129.615866] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 129.622399] Backtrace: # [ 129.624876] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 129.632455] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7f4 # [ 129.638128] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 129.645453] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 129.652425] r9:00000009 r8:c086e534 r7:0000001c r6:00000009 r5:c086e534 r4:c1a24e8c # [ 129.660181] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 129.667670] r7:0000001c r6:c1a24e8c r5:c1a24ec8 r4:c44dc000 # [ 129.673346] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 129.682402] r9:c1ad0f94 r8:c15e8634 r7:c44ddf60 r6:00000020 r5:c58b7000 r4:c44dc000 # [ 129.690159] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 129.700610] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x50/0x88) # [ 129.712362] [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 129.722368] r4:0000003a # [ 129.724915] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 129.732933] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 129.740859] r9:c44ddf60 r8:c3022c00 r7:00000020 r6:b6e05000 r5:c47a2f00 r4:c0c2f408 # [ 129.748617] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 129.756456] r9:c07f5fd4 r8:c44ddf60 r7:c2816000 r6:b6e05000 r5:c47a2f00 r4:00000000 # [ 129.764209] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 129.771352] r10:00000004 r9:00000000 r8:00000000 r7:b6e05000 r6:c44dc000 r5:c47a2f00 # [ 129.779185] r4:c47a2f00 # [ 129.781730] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 129.788874] r9:c44dc000 r8:c03002e4 r7:00000004 r6:b6f4ce00 r5:00000020 r4:00000020 # [ 129.796630] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 129.804204] Exception stack(0xc44ddfa8 to 0xc44ddff0) # [ 129.809264] dfa0: 00000020 00000020 00000001 b6e05000 00000020 00000000 # [ 129.817450] dfc0: 00000020 00000020 b6f4ce00 00000004 00000001 00000000 00020000 beaaba54 # [ 129.825635] dfe0: 00000004 beaab788 b6eb74cf b6e3d7e6 # [ 129.830732] irq event stamp: 0 # [ 129.833824] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 129.839413] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 129.846950] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 129.854481] softirqs last disabled at (0): [<00000000>] 0x0 # [ 129.860066] ---[ end trace 3f0f7cd99f406d9a ]--- # [ 129.864719] 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 [ 130.354104] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED [ 130.361005] lkdtm: attempting bad refcount_sub_and_test() from saturated [ 130.367797] ------------[ cut here ]------------ [ 130.372452] WARNING: CPU: 0 PID: 3259 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 [ 130.381041] refcount_t: underflow; use-after-free. [ 130.385939] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 [ 130.415517] CPU: 0 PID: 3259 Comm: cat Tainted: G D W 5.10.155-cip20 #1 [ 130.423277] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 130.429809] Backtrace: [ 130.432285] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 130.439865] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7f4 [ 130.445541] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 130.452864] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 130.459836] r9:00000009 r8:c086e534 r7:0000001c r6:00000009 r5:c086e534 r4:c1a24e8c [ 130.467589] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 130.475082] r7:0000001c r6:c1a24e8c r5:c1a24ec8 r4:c625c000 [ 130.480758] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) [ 130.489812] r9:c1ad0fb4 r8:c15e8634 r7:c625df60 r6:00000020 r5:c448e000 r4:c625c000 [ 130.497571] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) [ 130.508020] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x50/0x88) [ 130.519772] [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) [ 130.529776] r4:0000003b [ 130.532322] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 130.540340] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 130.548265] r9:c625df60 r8:c3022c00 r7:00000020 r6:b6e8d000 r5:c47a2f00 r4:c0c2f408 [ 130.556023] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 130.563863] r9:c07f5fd4 r8:c625df60 r7:c2816000 r6:b6e8d000 r5:c47a2f00 r4:00000000 [ 130.571614] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 130.578759] r10:00000004 r9:00000000 r8:00000000 r7:b6e8d000 r6:c625c000 r5:c47a2f00 [ 130.586593] r4:c47a2f00 [ 130.589138] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 130.596281] r9:c625c000 r8:c03002e4 r7:00000004 r6:b6fd4e00 r5:00000020 r4:00000020 [ 130.604037] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 130.611611] Exception stack(0xc625dfa8 to 0xc625dff0) [ 130.616672] dfa0: 00000020 00000020 00000001 b6e8d000 00000020 00000000 [ 130.624860] dfc0: 00000020 00000020 b6fd4e00 00000004 00000001 00000000 00020000 beebaa54 [ 130.633043] dfe0: 00000004 beeba788 b6f3f4cf b6ec57e6 [ 130.638135] irq event stamp: 0 [ 130.641209] hardirqs last enabled at (0): [<00000000>] 0x0 [ 130.646823] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 130.654355] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 130.661863] softirqs last disabled at (0): [<00000000>] 0x0 [ 130.667476] ---[ end trace 3f0f7cd99f406d9b ]--- [ 130.672106] lkdtm: Saturation detected: still saturated # [ 130.354104] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 130.361005] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 130.367797] ------------[ cut here ]------------ # [ 130.372452] WARNING: CPU: 0 PID: 3259 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 130.381041] refcount_t: underflow; use-after-free. # [ 130.385939] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error dw_hdmi_imx dw_hdmi imx_ldb flexcan can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3 # [ 130.415517] CPU: 0 PID: 3259 Comm: cat Tainted: G D W 5.10.155-cip20 #1 # [ 130.423277] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 130.429809] Backtrace: # [ 130.432285] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 130.439865] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7f4 # [ 130.445541] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 130.452864] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 130.459836] r9:00000009 r8:c086e534 r7:0000001c r6:00000009 r5:c086e534 r4:c1a24e8c # [ 130.467589] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 130.475082] r7:0000001c r6:c1a24e8c r5:c1a24ec8 r4:c625c000 # [ 130.480758] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 130.489812] r9:c1ad0fb4 r8:c15e8634 r7:c625df60 r6:00000020 r5:c448e000 r4:c625c000 # [ 130.497571] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 130.508020] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x50/0x88) # [ 130.519772] [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 130.529776] r4:0000003b # [ 130.532322] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 130.540340] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 130.548265] r9:c625df60 r8:c3022c00 r7:00000020 r6:b6e8d000 r5:c47a2f00 r4:c0c2f408 # [ 130.556023] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 130.563863] r9:c07f5fd4 r8:c625df60 r7:c2816000 r6:b6e8d000 r5:c47a2f00 r4:00000000 # [ 130.571614] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 130.578759] r10:00000004 r9:00000000 r8:00000000 r7:b6e8d000 r6:c625c000 r5:c47a2f00 # [ 130.586593] r4:c47a2f00 # [ 130.589138] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 130.596281] r9:c625c000 r8:c03002e4 r7:00000004 r6:b6fd4e00 r5:00000020 r4:00000020 # [ 130.604037] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 130.611611] Exception stack(0xc625dfa8 to 0xc625dff0) # [ 130.616672] dfa0: 00000020 00000020 00000001 b6e8d000 00000020 00000000 # [ 130.624860] dfc0: 00000020 00000020 b6fd4e00 00000004 00000001 00000000 00020000 beebaa54 # [ 130.633043] dfe0: 00000004 beeba788 b6f3f4cf b6ec57e6 # [ 130.638135] irq event stamp: 0 # [ 130.641209] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 130.646823] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 130.654355] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 130.661863] softirqs last disabled at (0): [<00000000>] 0x0 # [ 130.667476] ---[ end trace 3f0f7cd99f406d9b ]--- # [ 130.672106] 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 [ 131.511334] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO [ 131.517531] lkdtm: attempting good copy_to_user of correct size [ 131.523609] lkdtm: attempting bad copy_to_user of too large size # [ 131.511334] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 131.517531] lkdtm: attempting good copy_to_user of correct size # [ 131.523609] 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 [ 131.960350] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM [ 131.966756] lkdtm: attempting good copy_from_user of correct size [ 131.972920] lkdtm: attempting bad copy_from_user of too large size # [ 131.960350] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 131.966756] lkdtm: attempting good copy_from_user of correct size # [ 131.972920] 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 [ 132.411768] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO [ 132.418319] lkdtm: attempting good copy_to_user inside whitelist [ 132.424535] lkdtm: attempting bad copy_to_user outside whitelist # [ 132.411768] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 132.418319] lkdtm: attempting good copy_to_user inside whitelist # [ 132.424535] 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 [ 132.859931] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM [ 132.866681] lkdtm: attempting good copy_from_user inside whitelist [ 132.872885] lkdtm: attempting bad copy_from_user outside whitelist # [ 132.859931] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 132.866681] lkdtm: attempting good copy_from_user inside whitelist # [ 132.872885] 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 [ 133.316142] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO [ 133.322352] lkdtm: good_stack: c5f57e0c-c5f57e2c [ 133.327071] lkdtm: bad_stack : c5f57d84-c5f57da4 [ 133.331721] lkdtm: attempting good copy_to_user of local stack [ 133.337674] lkdtm: attempting bad copy_to_user of distant stack # [ 133.316142] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 133.322352] lkdtm: good_stack: c5f57e0c-c5f57e2c # [ 133.327071] lkdtm: bad_stack : c5f57d84-c5f57da4 # [ 133.331721] lkdtm: attempting good copy_to_user of local stack # [ 133.337674] 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 [ 133.787853] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM [ 133.794328] lkdtm: good_stack: c616de0c-c616de2c [ 133.798963] lkdtm: bad_stack : c616dd84-c616dda4 [ 133.803654] lkdtm: attempting good copy_from_user of local stack [ 133.809693] lkdtm: attempting bad copy_from_user of distant stack # [ 133.787853] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 133.794328] lkdtm: good_stack: c616de0c-c616de2c # [ 133.798963] lkdtm: bad_stack : c616dd84-c616dda4 # [ 133.803654] lkdtm: attempting good copy_from_user of local stack # [ 133.809693] 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 [ 134.247584] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND [ 134.253740] lkdtm: good_stack: c60e1e0c-c60e1e2c [ 134.258393] lkdtm: bad_stack : c60e1ffc-c60e201c [ 134.263075] lkdtm: attempting good copy_to_user of local stack [ 134.269021] lkdtm: attempting bad copy_to_user of distant stack # [ 134.247584] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 134.253740] lkdtm: good_stack: c60e1e0c-c60e1e2c # [ 134.258393] lkdtm: bad_stack : c60e1ffc-c60e201c # [ 134.263075] lkdtm: attempting good copy_to_user of local stack # [ 134.269021] 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 [ 134.705862] lkdtm: Performing direct entry USERCOPY_KERNEL [ 134.711380] lkdtm: attempting good copy_to_user from kernel rodata: c15e88e0 [ 134.718713] lkdtm: attempting bad copy_to_user from kernel text: c053a2ec [ 134.725593] lkdtm: FAIL: survived bad copy_to_user() # [ 134.705862] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 134.711380] lkdtm: attempting good copy_to_user from kernel rodata: c15e88e0 # [ 134.718713] lkdtm: attempting bad copy_to_user from kernel text: c053a2ec # [ 134.725593] 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 [ 135.173115] lkdtm: Performing direct entry STACKLEAK_ERASING [ 135.178924] lkdtm: checking unused part of the thread stack (7732 bytes)... [ 135.186020] lkdtm: FAIL: the erased part is not found (checked 7732 bytes) [ 135.192911] lkdtm: FAIL: the thread stack is NOT properly erased [ 135.199106] CPU: 0 PID: 3624 Comm: cat Tainted: G D W 5.10.155-cip20 #1 [ 135.206868] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 135.213399] Backtrace: [ 135.215879] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 135.223458] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7f4 [ 135.229131] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 135.236455] [] (dump_stack) from [] (lkdtm_STACKLEAK_ERASING+0x148/0x174) [ 135.244989] r9:c1ad10bc r8:c15e8634 r7:c5a81f60 r6:c5a81e34 r5:c5a80000 r4:0000078d [ 135.252749] [] (lkdtm_STACKLEAK_ERASING) from [] (lkdtm_do_action+0x2c/0x4c) [ 135.261541] r8:c15e8634 r7:c5a81f60 r6:00000012 r5:c58b7000 r4:00000046 [ 135.268254] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 135.276274] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 135.284200] r9:c5a81f60 r8:c3022c00 r7:00000012 r6:b6dc4000 r5:c47a3400 r4:c0c2f408 [ 135.291957] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 135.299796] r9:c07f5fd4 r8:c5a81f60 r7:c2816000 r6:b6dc4000 r5:c47a3400 r4:00000000 [ 135.307547] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 135.314692] r10:00000004 r9:00000000 r8:00000000 r7:b6dc4000 r6:c5a80000 r5:c47a3400 [ 135.322525] r4:c47a3400 [ 135.325071] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 135.332218] r9:c5a80000 r8:c03002e4 r7:00000004 r6:b6f0be00 r5:00000012 r4:00000012 [ 135.339974] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 135.347549] Exception stack(0xc5a81fa8 to 0xc5a81ff0) [ 135.352609] 1fa0: 00000012 00000012 00000001 b6dc4000 00000012 00000000 [ 135.360798] 1fc0: 00000012 00000012 b6f0be00 00000004 00000001 00000000 00020000 be962a54 [ 135.368981] 1fe0: 00000004 be962788 b6e764cf b6dfc7e6 # [ 135.173115] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 135.178924] lkdtm: checking unused part of the thread stack (7732 bytes)... # [ 135.186020] lkdtm: FAIL: the erased part is not found (checked 7732 bytes) # [ 135.192911] lkdtm: FAIL: the thread stack is NOT properly erased # [ 135.199106] CPU: 0 PID: 3624 Comm: cat Tainted: G D W 5.10.155-cip20 #1 # [ 135.206868] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 135.213399] Backtrace: # [ 135.215879] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 135.223458] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7f4 # [ 135.229131] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 135.236455] [] (dump_stack) from [] (lkdtm_STACKLEAK_ERASING+0x148/0x174) # [ 135.244989] r9:c1ad10bc r8:c15e8634 r7:c5a81f60 r6:c5a81e34 r5:c5a80000 r4:0000078d # [ 135.252749] [] (lkdtm_STACKLEAK_ERASING) from [] (lkdtm_do_action+0x2c/0x4c) # [ 135.261541] r8:c15e8634 r7:c5a81f60 r6:00000012 r5:c58b7000 r4:00000046 # [ 135.268254] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 135.276274] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 135.284200] r9:c5a81f60 r8:c3022c00 r7:00000012 r6:b6dc4000 r5:c47a3400 r4:c0c2f408 # [ 135.291957] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 135.299796] r9:c07f5fd4 r8:c5a81f60 r7:c2816000 r6:b6dc4000 r5:c47a3400 r4:00000000 # [ 135.307547] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 135.314692] r10:00000004 r9:00000000 r8:00000000 r7:b6dc4000 r6:c5a80000 r5:c47a3400 # [ 135.322525] r4:c47a3400 # [ 135.325071] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 135.332218] r9:c5a80000 r8:c03002e4 r7:00000004 r6:b6f0be00 r5:00000012 r4:00000012 # [ 135.339974] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 135.347549] Exception stack(0xc5a81fa8 to 0xc5a81ff0) # [ 135.352609] 1fa0: 00000012 00000012 00000001 b6dc4000 00000012 00000000 # [ 135.360798] 1fc0: 00000012 00000012 b6f0be00 00000004 00000001 00000000 00020000 be962a54 # [ 135.368981] 1fe0: 00000004 be962788 b6e764cf b6dfc7e6 # 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 [ 135.828459] lkdtm: Performing direct entry CFI_FORWARD_PROTO [ 135.834200] lkdtm: Calling matched prototype ... [ 135.838830] lkdtm: Calling mismatched prototype ... [ 135.843829] lkdtm: Fail: survived mismatched prototype function call! # [ 135.828459] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 135.834200] lkdtm: Calling matched prototype ... # [ 135.838830] lkdtm: Calling mismatched prototype ... # [ 135.843829] 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 + ../../utils/send-to-lava.sh ./output/result.txt + set +x / #