[Enter `^Ec?' for help] U-Boot 2021.10+dfsg-1+apertis10bv2023dev2b2 (Apr 18 2022 - 16:34:49 +0000) CPU: Freescale i.MX6Q rev1.2 at 792 MHz Reset cause: POR Model: Freescale i.MX6 Quad SABRE Lite Board Board: SABRE Lite I2C: ready DRAM: 1 GiB MMC: FSL_SDHC: 0, FSL_SDHC: 1 Loading Environment from SPIFlash... SF: Detected gd25q16 with page size 256 Bytes, erase size 4 KiB, total 2 MiB *** Warning - bad CRC, using default environment In: serial Out: serial Err: serial Net: using phy at 7 FEC [PRIME], usb_ether Error: usb_ether address not set. starting USB... Bus usb@2184000: usb dr_mode not found Bus usb@2184200: USB EHCI 1.00 scanning bus usb@2184000 for devices... 1 USB Device(s) found scanning bus usb@2184200 for devices... 2 USB Device(s) found scanning usb for storage devices... 0 Storage Device(s) found scanning usb for ethernet devices... 0 Ethernet Device(s) found Hit any key to stop autoboot: 3  0 => setenv autoload no setenv autoload no => setenv initrd_high 0xffffffff setenv initrd_high 0xffffffff => setenv fdt_high 0xffffffff setenv fdt_high 0xffffffff => dhcp dhcp BOOTP broadcast 1 DHCP client bound to address 192.168.201.36 (4 ms) => setenv serverip 192.168.201.1 setenv serverip 192.168.201.1 => tftp 0x10000000 7961875/tftp-deploy-x70ogee3/kernel/zImage tftp 0x10000000 7961875/tftp-deploy-x70ogee3/kernel/zImage Using FEC device TFTP from server 192.168.201.1; our IP address is 192.168.201.36 Filename '7961875/tftp-deploy-x70ogee3/kernel/zImage'. Load address: 0x10000000 Loading: *################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# #### 6.2 MiB/s done Bytes transferred = 12456448 (be1200 hex) => tftp 0x14000000 7961875/tftp-deploy-x70ogee3/ramdisk/ramdisk.cpio.gz.uboot tftp 0x14000000 7961875/tftp-deploy-x70ogee3/ramdisk/ramdisk.cpio.gz.uboot Using FEC device TFTP from server 192.168.201.1; our IP address is 192.168.201.36 Filename '7961875/tftp-deploy-x70ogee3/ramdisk/ramdisk.cpio.gz.uboot'. Load address: 0x14000000 Loading: *################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# 8.5 MiB/s done Bytes transferred = 15266193 (e8f191 hex) => setenv initrd_size ${filesize} setenv initrd_size ${filesize} => tftp 0x13f00000 7961875/tftp-deploy-x70ogee3/dtb/imx6q-sabrelite.dtb tftp 0x13f00000 7961875/tftp-deploy-x70ogee3/dtb/imx6q-sabrelite.dtb Using FEC device TFTP from server 192.168.201.1; our IP address is 192.168.201.36 Filename '7961875/tftp-deploy-x70ogee3/dtb/imx6q-sabrelite.dtb'. Load address: 0x13f00000 Loading: *### 4 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/7961875/extract-nfsrootfs-wrz_ivk2,tcp,hard ip=dhcp' setenv bootargs 'console=ttymxc1,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/7961875/extract-nfsrootfs-wrz_ivk2,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: 15266129 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 5.10.154-cip20 (KernelCI@build-j499385-arm-gcc-10-multi-v7-defconfig-kselftest-qb4bw) (arm-linux-gnueabihf-gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Sun Nov 13 07:38:06 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/7961875/extract-nfsrootfs-wrz_ivk2,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: 921608K/1048576K available (17408K kernel code, 2654K rwdata, 8120K rodata, 2048K init, 6693K bss, 61432K reserved, 65536K cma-reserved, 196608K highmem) [ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 [ 0.000000] ftrace: allocating 56064 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 [ 0.000009] 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 [ 0.004527] Console: colour dummy device 80x30 [ 0.004593] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 0.004623] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 0.004651] ... MAX_LOCK_DEPTH: 48 [ 0.004678] ... MAX_LOCKDEP_KEYS: 8192 [ 0.004706] ... CLASSHASH_SIZE: 4096 [ 0.004732] ... MAX_LOCKDEP_ENTRIES: 32768 [ 0.004758] ... MAX_LOCKDEP_CHAINS: 65536 [ 0.004786] ... CHAINHASH_SIZE: 32768 [ 0.004811] memory used by lock dependency info: 4061 kB [ 0.004838] memory used for stack traces: 2112 kB [ 0.004865] per task-struct memory footprint: 1536 bytes [ 0.004966] Calibrating delay loop (skipped), value calculated using timer frequency.. 6.00 BogoMIPS (lpj=30000) [ 0.005019] pid_max: default: 32768 minimum: 301 [ 0.005401] LSM: Security Framework initializing [ 0.005511] LSM support for eBPF active [ 0.005658] Mount-cache hash table entries: 2048 (order: 1, 8192 bytes, linear) [ 0.005709] Mountpoint-cache hash table entries: 2048 (order: 1, 8192 bytes, linear) [ 0.008294] CPU: Testing write buffer coherency: ok [ 0.008415] CPU0: Spectre v2: using BPIALL workaround [ 0.009519] CPU0: thread -1, cpu 0, socket 0, mpidr 80000000 [ 0.013482] Setting up static identity map for 0x10300000 - 0x103000ac [ 0.015930] rcu: Hierarchical SRCU implementation. [ 0.025662] EFI services will not be available. [ 0.026990] smp: Bringing up secondary CPUs ... [ 0.030386] CPU1: thread -1, cpu 1, socket 0, mpidr 80000001 [ 0.030401] CPU1: Spectre v2: using BPIALL workaround [ 0.034471] CPU2: thread -1, cpu 2, socket 0, mpidr 80000002 [ 0.034486] CPU2: Spectre v2: using BPIALL workaround [ 0.038192] CPU3: thread -1, cpu 3, socket 0, mpidr 80000003 [ 0.038207] CPU3: Spectre v2: using BPIALL workaround [ 0.039142] smp: Brought up 1 node, 4 CPUs [ 0.039189] SMP: Total of 4 processors activated (24.00 BogoMIPS). [ 0.039226] CPU: All CPU(s) started in SVC mode. [ 0.041876] devtmpfs: initialized [ 0.099823] VFP support v0.3: implementor 41 architecture 3 part 30 variant 9 rev 4 [ 0.102496] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 0.102570] futex hash table entries: 1024 (order: 4, 65536 bytes, linear) [ 0.107338] pinctrl core: initialized pinctrl subsystem [ 0.114413] DMI not present or invalid. [ 0.116785] NET: Registered protocol family 16 [ 0.128807] DMA: preallocated 256 KiB pool for atomic coherent allocations [ 0.138349] thermal_sys: Registered thermal governor 'step_wise' [ 0.138969] cpuidle: using governor menu [ 0.139497] CPU identified as i.MX6Q, silicon rev 1.2 [ 0.911824] vdd1p1: supplied by regulator-dummy [ 0.944685] vdd3p0: supplied by regulator-dummy [ 0.977185] vdd2p5: supplied by regulator-dummy [ 1.009716] vddarm: supplied by regulator-dummy [ 1.043108] vddpu: supplied by regulator-dummy [ 1.074553] vddsoc: supplied by regulator-dummy [ 2.450915] No ATAGs? [ 2.451823] hw-breakpoint: found 5 (+1 reserved) breakpoint and 1 watchpoint registers. [ 2.451910] hw-breakpoint: maximum watchpoint size is 4 bytes. [ 2.471907] imx6q-pinctrl 20e0000.pinctrl: initialized IMX pinctrl driver [ 2.501908] Serial: AMBA PL011 UART driver [ 2.567579] Kprobes globally optimized [ 2.689094] iommu: Default domain type: Translated [ 2.691561] vgaarb: loaded [ 2.696449] SCSI subsystem initialized [ 2.699168] usbcore: registered new interface driver usbfs [ 2.699482] usbcore: registered new interface driver hub [ 2.699724] usbcore: registered new device driver usb [ 2.707546] i2c i2c-0: IMX I2C adapter registered [ 2.714791] i2c i2c-1: IMX I2C adapter registered [ 2.719695] i2c i2c-2: IMX I2C adapter registered [ 2.724383] pps_core: LinuxPPS API ver. 1 registered [ 2.724428] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 2.724529] PTP clock support registered [ 2.744397] clocksource: Switched to clocksource mxc_timer1 [ 4.519247] NET: Registered protocol family 2 [ 4.520077] IP idents hash table entries: 16384 (order: 5, 131072 bytes, linear) [ 4.523482] tcp_listen_portaddr_hash hash table entries: 512 (order: 2, 22528 bytes, linear) [ 4.523669] TCP established hash table entries: 8192 (order: 3, 32768 bytes, linear) [ 4.524007] TCP bind hash table entries: 8192 (order: 6, 327680 bytes, linear) [ 4.525454] TCP: Hash tables configured (established 8192 bind 8192) [ 4.526530] MPTCP token hash table entries: 1024 (order: 3, 49152 bytes, linear) [ 4.526883] UDP hash table entries: 512 (order: 3, 49152 bytes, linear) [ 4.527147] UDP-Lite hash table entries: 512 (order: 3, 49152 bytes, linear) [ 4.527906] NET: Registered protocol family 1 [ 4.530809] RPC: Registered named UNIX socket transport module. [ 4.530899] RPC: Registered udp transport module. [ 4.530940] RPC: Registered tcp transport module. [ 4.530982] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 4.531037] NET: Registered protocol family 44 [ 4.531106] PCI: CLS 0 bytes, default 64 [ 4.533750] Trying to unpack rootfs image as initramfs... [ 6.416157] Freeing initrd memory: 14912K [ 6.417429] hw perfevents: no interrupt-affinity property for /pmu, guessing. [ 6.418587] hw perfevents: enabled with armv7_cortex_a9 PMU driver, 7 counters available [ 6.428012] Initialise system trusted keyrings [ 6.429083] workingset: timestamp_bits=30 max_order=18 bucket_order=0 [ 6.480487] squashfs: version 4.0 (2009/01/31) Phillip Lougher [ 6.484340] NFS: Registering the id_resolver key type [ 6.484519] Key type id_resolver registered [ 6.484616] Key type id_legacy registered [ 6.485265] nfs4filelayout_init: NFSv4 File Layout Driver Registering... [ 6.485368] nfs4flexfilelayout_init: NFSv4 Flexfile Layout Driver Registering... [ 6.485585] ntfs: driver 2.1.32 [Flags: R/O]. [ 6.487772] Key type asymmetric registered [ 6.487906] Asymmetric key parser 'x509' registered [ 6.488353] bounce: pool size: 64 pages [ 6.488537] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 247) [ 6.488643] io scheduler mq-deadline registered [ 6.488685] io scheduler kyber registered [ 6.489604] test_firmware: interface ready [ 6.674448] mxs-dma 110000.dma-apbh: initialized [ 6.741489] imx-sdma 20ec000.sdma: Direct firmware load for imx/sdma/sdma-imx6q.bin failed with error -2 [ 6.741751] imx-sdma 20ec000.sdma: external firmware not found, using ROM firmware [ 7.012626] Serial: 8250/16550 driver, 5 ports, IRQ sharing enabled [ 7.034139] SuperH (H)SCI(F) driver initialized [ 7.037197] 2020000.serial: ttymxc0 at MMIO 0x2020000 (irq = 34, base_baud = 5000000) is a IMX [ 7.042525] 21e8000.serial: ttymxc1 at MMIO 0x21e8000 (irq = 81, base_baud = 5000000) is a IMX [ 7.974183] printk: console [ttymxc1] enabled [ 7.985283] msm_serial: driver initialized [ 7.990514] STMicroelectronics ASC driver initialized [ 8.002407] STM32 USART driver initialized [ 8.029442] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 0 [ 8.052410] panel-simple panel-lcd: supply power not found, using dummy regulator [ 8.060956] panel-simple panel-lcd: Specify missing connector_type [ 8.068932] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 8.125263] brd: module loaded [ 8.188877] loop: module loaded [ 8.195474] lkdtm: No crash points registered, enable through debugfs [ 8.218289] ahci-imx 2200000.sata: fsl,transmit-level-mV not specified, using 00000024 [ 8.226338] ahci-imx 2200000.sata: fsl,transmit-boost-mdB not specified, using 00000480 [ 8.234453] ahci-imx 2200000.sata: fsl,transmit-atten-16ths not specified, using 00002000 [ 8.242673] ahci-imx 2200000.sata: fsl,receive-eq-mdB not specified, using 05000000 [ 8.250750] ahci-imx 2200000.sata: supply ahci not found, using dummy regulator [ 8.259127] ahci-imx 2200000.sata: supply phy not found, using dummy regulator [ 8.266946] ahci-imx 2200000.sata: supply target not found, using dummy regulator [ 8.278470] ahci-imx 2200000.sata: SSS flag set, parallel bus scan disabled [ 8.285604] ahci-imx 2200000.sata: AHCI 0001.0300 32 slots 1 ports 3 Gbps 0x1 impl platform mode [ 8.294505] ahci-imx 2200000.sata: flags: ncq sntf stag pm led clo only pmp pio slum part ccc apst [ 8.309079] scsi host0: ahci-imx [ 8.314883] ata1: SATA max UDMA/133 mmio [mem 0x02200000-0x02203fff] port 0x100 irq 84 [ 8.382417] bgmac_bcma: Broadcom 47xx GBit MAC driver loaded [ 8.396245] pps pps0: new PPS source ptp0 [ 8.442948] fec 2188000.ethernet eth0: registered PHC device 0 [ 8.453943] e1000e: Intel(R) PRO/1000 Network Driver [ 8.458948] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. [ 8.465207] igb: Intel(R) Gigabit Ethernet Network Driver [ 8.470642] igb: Copyright (c) 2007-2014 Intel Corporation. [ 8.499414] pegasus: v0.9.3 (2013/04/25), Pegasus/Pegasus II USB Ethernet driver [ 8.507073] usbcore: registered new interface driver pegasus [ 8.512985] usbcore: registered new interface driver asix [ 8.518622] usbcore: registered new interface driver ax88179_178a [ 8.524953] usbcore: registered new interface driver cdc_ether [ 8.531057] usbcore: registered new interface driver smsc75xx [ 8.537105] usbcore: registered new interface driver smsc95xx [ 8.543032] usbcore: registered new interface driver net1080 [ 8.548932] usbcore: registered new interface driver cdc_subset [ 8.555106] usbcore: registered new interface driver zaurus [ 8.560985] usbcore: registered new interface driver cdc_ncm [ 8.580031] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 8.586731] ehci-pci: EHCI PCI platform driver [ 8.591393] ehci-platform: EHCI generic platform driver [ 8.597778] ehci-orion: EHCI orion driver [ 8.602760] SPEAr-ehci: EHCI SPEAr driver [ 8.607779] ehci-st: EHCI STMicroelectronics driver [ 8.613594] ehci-exynos: EHCI Exynos driver [ 8.618795] ehci-atmel: EHCI Atmel driver [ 8.623728] tegra-ehci: Tegra EHCI driver [ 8.628761] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 8.635104] ohci-pci: OHCI PCI platform driver [ 8.639745] ohci-platform: OHCI generic platform driver [ 8.646063] SPEAr-ohci: OHCI SPEAr driver [ 8.651018] ohci-st: OHCI STMicroelectronics driver [ 8.656892] ata1: SATA link down (SStatus 0 SControl 300) [ 8.656898] ohci-atmel: OHCI Atmel driver [ 8.666037] usbcore: registered new interface driver usb-storage [ 8.666798] ahci-imx 2200000.sata: no device found, disabling link. [ 8.678763] ahci-imx 2200000.sata: pass ahci_imx..hotplug=1 to enable hotplug [ 8.706865] i2c /dev entries driver [ 8.796829] sdhci: Secure Digital Host Controller Interface driver [ 8.803050] sdhci: Copyright(c) Pierre Ossman [ 8.817589] Synopsys Designware Multimedia Card Interface Driver [ 8.831387] sdhci-pltfm: SDHCI platform and OF driver helper [ 8.841075] sdhci-esdhc-imx 2198000.mmc: Got CD GPIO [ 8.845831] sdhci-esdhc-imx 219c000.mmc: Got CD GPIO [ 8.846431] sdhci-esdhc-imx 2198000.mmc: Got WP GPIO [ 8.858692] ledtrig-cpu: registered to indicate activity on CPUs [ 8.868751] usbcore: registered new interface driver usbhid [ 8.874436] usbhid: USB HID core driver [ 8.890879] mmc3: SDHCI controller on 219c000.mmc [219c000.mmc] using ADMA [ 8.899757] mmc2: SDHCI controller on 2198000.mmc [2198000.mmc] using ADMA [ 8.905275] netem: version 1.3 [ 8.909991] ipip: IPv4 and MPLS over IPv4 tunneling driver [ 8.918293] gre: GRE over IPv4 demultiplexor driver [ 8.923213] ip_gre: GRE over IPv4 tunneling driver [ 8.934377] IPv4 over IPsec tunneling driver [ 8.944066] NET: Registered protocol family 10 [ 8.949826] mmc2: new high speed SDHC card at address aaaa [ 8.959757] mmcblk2: mmc2:aaaa SL16G 14.8 GiB [ 8.960419] Segment Routing with IPv6 [ 8.976152] ip6_gre: GRE over IPv6 tunneling driver [ 8.982405] GPT:Primary header thinks Alt. header is not at the end of the disk. [ 8.984280] NET: Registered protocol family 17 [ 8.990022] GPT:29296874 != 31116287 [ 8.995916] 8021q: 802.1Q VLAN Support v1.8 [ 8.998026] GPT:Alternate GPT header not at the end of the disk. [ 9.003254] Key type dns_resolver registered [ 9.008342] GPT:29296874 != 31116287 [ 9.016320] GPT: Use GNU Parted to correct GPT errors. [ 9.021572] mmcblk2: p1 p2 p3 [ 9.032256] ThumbEE CPU extension supported. [ 9.036748] Registering SWP/SWPB emulation handler [ 9.045081] Loading compiled-in X.509 certificates [ 9.236747] panel-simple panel-lcd: supply power not found, using dummy regulator [ 9.245206] panel-simple panel-lcd: Specify missing connector_type [ 9.258804] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 9.296626] imx_usb 2184200.usb: No over current polarity defined [ 9.310041] ci_hdrc ci_hdrc.1: EHCI Host Controller [ 9.315390] ci_hdrc ci_hdrc.1: new USB bus registered, assigned bus number 1 [ 9.344597] ci_hdrc ci_hdrc.1: USB 2.0 started, EHCI 1.00 [ 9.365735] hub 1-0:1.0: USB hub found [ 9.372103] hub 1-0:1.0: 1 port detected [ 9.389193] imx_thermal 20c8000.anatop:tempmon: Automotive CPU temperature grade - max:125C critical:120C passive:115C [ 9.422977] panel-simple panel-lcd: supply power not found, using dummy regulator [ 9.431361] panel-simple panel-lcd: Specify missing connector_type [ 9.445074] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 9.477496] panel-simple panel-lcd: supply power not found, using dummy regulator [ 9.485843] panel-simple panel-lcd: Specify missing connector_type [ 9.499448] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 9.518798] input: gpio-keys as /devices/platform/gpio-keys/input/input0 [ 9.549005] panel-simple panel-lcd: supply power not found, using dummy regulator [ 9.557415] panel-simple panel-lcd: Specify missing connector_type [ 9.571041] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 9.593299] 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) [ 9.608793] IP-Config: Failed to open gretap0 [ 9.613198] IP-Config: Failed to open erspan0 [ 9.643923] Sending DHCP requests . [ 9.784436] usb 1-1: new high-speed USB device number 2 using ci_hdrc [ 10.003828] hub 1-1:1.0: USB hub found [ 10.008294] hub 1-1:1.0: 3 ports detected [ 10.045219] panel-simple panel-lcd: supply power not found, using dummy regulator [ 10.053747] panel-simple panel-lcd: Specify missing connector_type [ 10.070046] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 12.284156] . [ 12.715539] fec 2188000.ethernet eth0: Link is Up - 1Gbps/Full - flow control off [ 12.725868] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready [ 16.904149] ., OK [ 16.946652] IP-Config: Got DHCP answer from 192.168.201.1, my address is 192.168.201.36 [ 16.954942] IP-Config: Complete: [ 16.958260] device=eth0, hwaddr=00:19:b8:08:f1:1c, ipaddr=192.168.201.36, mask=255.255.255.0, gw=192.168.201.1 [ 16.968936] host=imx6q-sabrelite-lava-cbg-6, domain=lava-rack, nis-domain=(none) [ 16.976972] bootserver=192.168.201.1, rootserver=192.168.201.1, rootpath= [ 16.977021] nameserver0=192.168.201.1 [ 17.047932] Freeing unused kernel memory: 2048K [ 17.076013] Run /init as init process Loading, please wait... Starting version 247.3-7+deb11u1 [ 21.203554] panel-simple panel-lcd: supply power not found, using dummy regulator [ 21.214179] imx-ipuv3 2400000.ipu: IPUv3H probed [ 21.227130] panel-simple panel-lcd: Specify missing connector_type [ 21.242258] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 21.271540] imx-ipuv3 2800000.ipu: IPUv3H probed [ 21.290517] CAN device driver interface [ 21.303530] panel-simple panel-lcd: supply power not found, using dummy regulator [ 21.315960] panel-simple panel-lcd: Specify missing connector_type [ 21.330777] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 21.383142] panel-simple panel-lcd: supply power not found, using dummy regulator [ 21.393981] panel-simple panel-lcd: Specify missing connector_type [ 21.419523] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 21.470378] caam 2100000.crypto: Entropy delay = 3200 [ 21.504180] etnaviv etnaviv: bound 130000.gpu (ops gpu_ops [etnaviv]) [ 21.513191] etnaviv etnaviv: bound 134000.gpu (ops gpu_ops [etnaviv]) [ 21.534158] etnaviv etnaviv: bound 2204000.gpu (ops gpu_ops [etnaviv]) [ 21.536436] caam 2100000.crypto: Instantiated RNG4 SH0 [ 21.540735] etnaviv-gpu 130000.gpu: model: GC2000, revision: 5108 [ 21.597204] caam 2100000.crypto: Instantiated RNG4 SH1 [ 21.602420] caam 2100000.crypto: device ID = 0x0a16010000000000 (Era 4) [ 21.609162] caam 2100000.crypto: job rings = 2, qi = 0 [ 21.632344] etnaviv-gpu 134000.gpu: model: GC320, revision: 5007 [ 21.639067] etnaviv-gpu 2204000.gpu: model: GC355, revision: 1215 [ 21.644015] panel-simple panel-lcd: supply power not found, using dummy regulator [ 21.645363] etnaviv-gpu 2204000.gpu: Ignoring GPU with VG and FE2.0 [ 21.653726] panel-simple panel-lcd: Specify missing connector_type [ 21.678611] [drm] Initialized etnaviv 1.3.0 20151214 for etnaviv on minor 1 [ 21.682968] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 21.720807] panel-simple panel-lcd: supply power not found, using dummy regulator [ 21.729300] panel-simple panel-lcd: Specify missing connector_type [ 21.743669] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 21.747034] sgtl5000 0-000a: sgtl5000 revision 0x11 [ 21.775528] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) [ 21.778158] panel-simple panel-lcd: supply power not found, using dummy regulator [ 21.784421] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) [ 21.792269] panel-simple panel-lcd: Specify missing connector_type [ 21.800267] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) [ 21.814737] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 21.815045] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) [ 21.824601] usb_phy_generic usbphynop1: supply vcc not found, using dummy regulator [ 21.831988] sgtl5000 0-000a: Using internal LDO instead of VDDD: check ER1 erratum [ 21.839316] usb_phy_generic usbphynop1: dummy supplies not allowed for exclusive requests [ 21.855127] usb_phy_generic usbphynop2: supply vcc not found, using dummy regulator [ 21.863668] usb_phy_generic usbphynop2: dummy supplies not allowed for exclusive requests [ 21.886958] panel-simple panel-lcd: supply power not found, using dummy regulator [ 21.895470] panel-simple panel-lcd: Specify missing connector_type [ 21.915688] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 21.965952] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) [ 21.975183] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) [ 21.983705] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) [ 21.992255] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) [ 22.024554] panel-simple panel-lcd: supply power not found, using dummy regulator [ 22.035668] panel-simple panel-lcd: Specify missing connector_type [ 22.848616] caam algorithms registered in /proc/crypto [ 22.869700] caam 2100000.crypto: registering rng-caam [ 22.882447] panel-simple panel-lvds0: supply power not found, using dummy regulator [ 22.917099] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) [ 22.925704] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) [ 22.934249] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) [ 22.942656] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) [ 22.966496] panel-simple panel-lcd: supply power not found, using dummy regulator [ 22.975332] panel-simple panel-lcd: Specify missing connector_type [ 22.989148] panel-simple panel-lvds0: supply power not found, using dummy regulator Begin: Loading essential drivers ... done. [ 23.059077] random: crng init 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:f1:1c 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: 192.168.201.36 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-6 domain : lava-rack rootserver: 192.168.201.1 rootpath: filename : done. Begin: Running /scripts/nfs-bottom ... done. Begin: Running /scripts/init-bottom ... done. [ 25.617572] systemd[1]: System time before build time, advancing clock. [ 25.871644] 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) [ 25.897629] systemd[1]: Detected architecture arm. Welcome to Debian GNU/Linux 11 (bullseye)! [ 25.961448] systemd[1]: Set hostname to . [ 27.729200] systemd[1]: Queued start job for default target Graphical Interface. [ 27.743236] systemd[1]: Created slice system-getty.slice. [ OK ] Created slice system-getty.slice. [ 27.789645] systemd[1]: Created slice system-modprobe.slice. [ OK ] Created slice system-modprobe.slice. [ 27.839309] systemd[1]: Created slice system-serial\x2dgetty.slice. [ OK ] Created slice system-serial\x2dgetty.slice. [ 27.898834] systemd[1]: Created slice User and Session Slice. [ OK ] Created slice User and Session Slice. [ 27.948691] systemd[1]: Started Dispatch Password Requests to Console Directory Watch. [ OK ] Started Dispatch Password …ts to Console Directory Watch. [ 27.998087] systemd[1]: Started Forward Password Requests to Wall Directory Watch. [ OK ] Started Forward Password R…uests to Wall Directory Watch. [ 28.045793] systemd[1]: Condition check resulted in Arbitrary Executable File Formats File System Automount Point being skipped. [ 28.059781] systemd[1]: Reached target Local Encrypted Volumes. [ OK ] Reached target Local Encrypted Volumes. [ 28.106625] systemd[1]: Reached target Paths. [ OK ] Reached target Paths. [ 28.144483] systemd[1]: Reached target Remote File Systems. [ OK ] Reached target Remote File Systems. [ 28.185087] systemd[1]: Reached target Slices. [ OK ] Reached target Slices. [ 28.225220] systemd[1]: Reached target Swap. [ OK ] Reached target Swap. [ 28.269708] systemd[1]: Listening on initctl Compatibility Named Pipe. [ OK ] Listening on initctl Compatibility Named Pipe. [ 28.375045] systemd[1]: Condition check resulted in Journal Audit Socket being skipped. [ 28.388989] systemd[1]: Listening on Journal Socket (/dev/log). [ OK ] Listening on Journal Socket (/dev/log). [ 28.451407] systemd[1]: Listening on Journal Socket. [ OK ] Listening on Journal Socket. [ 28.511565] systemd[1]: Listening on Network Service Netlink Socket. [ OK ] Listening on Network Service Netlink Socket. [ 28.566639] systemd[1]: Listening on udev Control Socket. [ OK ] Listening on udev Control Socket. [ 28.619915] systemd[1]: Listening on udev Kernel Socket. [ OK ] Listening on udev Kernel Socket. [ 28.678606] systemd[1]: Condition check resulted in Huge Pages File System being skipped. [ 28.687916] systemd[1]: Condition check resulted in POSIX Message Queue File System being skipped. [ 28.711161] systemd[1]: Mounting Kernel Debug File System... Mounting Kernel Debug File System... [ 28.766696] systemd[1]: Mounting Kernel Trace File System... Mounting Kernel Trace File System... [ 28.833348] systemd[1]: Starting Create list of static device nodes for the current kernel... Starting Create list of st…odes for the current kernel... [ 28.897667] systemd[1]: Starting Load Kernel Module configfs... Starting Load Kernel Module configfs... [ 28.957114] systemd[1]: Starting Load Kernel Module drm... Starting Load Kernel Module drm... [ 29.017168] systemd[1]: Starting Load Kernel Module fuse... Starting Load Kernel Module fuse... [ 29.074277] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped. [ 29.111528] systemd[1]: Starting Journal Service... [ 29.114360] fuse: init (API version 7.32) Starting Journal Service... [ 29.190984] systemd[1]: Starting Load Kernel Modules... Starting Load Kernel Modules... [ 29.245940] systemd[1]: Starting Remount Root and Kernel File Systems... Starting Remount Root and Kernel File Systems... [ 29.304298] systemd[1]: Starting Coldplug All udev Devices... Starting Coldplug All udev Devices... [ 29.365667] systemd[1]: Mounted Kernel Debug File System. [ OK ] Mounted Kernel Debug File System. [ 29.407157] systemd[1]: Mounted Kernel Trace File System. [ OK ] Mounted Kernel Trace File System. [ 29.462670] systemd[1]: Finished Create list of static device nodes for the current kernel. [ OK ] Finished Create list of st… nodes for the current kernel. [ 29.557551] systemd[1]: modprobe@configfs.service: Succeeded. [ 29.567974] systemd[1]: Finished Load Kernel Module configfs. [ OK ] Finished Load Kernel Module configfs. [ 29.620438] systemd[1]: modprobe@drm.service: Succeeded. [ 29.630476] systemd[1]: Finished Load Kernel Module drm. [ OK ] Finished Load Kernel Module drm. [ 29.680164] systemd[1]: modprobe@fuse.service: Succeeded. [ 29.690082] systemd[1]: Finished Load Kernel Module fuse. [ OK ] Finished Load Kernel Module fuse. [ 29.739800] systemd[1]: Finished Load Kernel Modules. [ OK ] Finished Load Kernel Modules. [ 29.790307] systemd[1]: Finished Remount Root and Kernel File Systems. [ OK ] Finished Remount Root and Kernel File Systems. [ 29.846106] systemd[1]: Started Journal Service. [ OK ] Started Journal Service. Mounting FUSE Control File System... Mounting Kernel Configuration File System... Starting Flush Journal to Persistent Storage... Starting Load/Save Random Seed... Starting Apply Kernel Variables... [ 30.140225] systemd-journald[282]: Received client request to flush runtime journal. Starting Create System Users... [ OK ] Mounted FUSE Control File System. [ OK ] Mounted Kernel Configuration File System. [ OK ] Finished Load/Save Random Seed. [ OK ] Finished Apply Kernel Variables. [ OK ] Finished Create System Users. Starting Create Static Device Nodes in /dev... [ OK ] Finished Flush Journal to Persistent Storage. [ OK ] Finished Create Static Device Nodes in /dev. [ OK ] Reached target Local File Systems (Pre). [ OK ] Reached target Local File Systems. Starting Create Volatile Files and Directories... Starting Rule-based Manage…for Device Events and Files... [ OK ] Started Rule-based Manager for Device Events and Files. Starting Network Service... [ OK ] Finished Create Volatile Files and Directories. Starting Network Time Synchronization... Starting Update UTMP about System Boot/Shutdown... [ OK ] Finished Update UTMP about System Boot/Shutdown. [ OK ] Started Network Service. Starting Network Name Resolution... [ OK ] Started Network Time Synchronization. [ OK ] Reached target System Time Set. [ OK ] Reached target System Time Synchronized. [ OK ] Started Network Name Resolution. [ OK ] Reached target Network. [ OK ] Reached target Host and Network Name Lookups. [ OK ] Reached target Hardware activated USB gadget. [ OK ] Finished Coldplug All udev Devices. [ OK ] Found device /dev/ttymxc1. [ OK ] Reached target System Initialization. [ OK ] Started Daily apt download activities. [ OK ] Started Daily apt upgrade and clean activities. [ OK ] Started Periodic ext4 Onli…ata Check for All Filesystems. [ OK ] Started Discard unused blocks once a week. [ OK ] Started Daily Cleanup of Temporary Directories. [ OK ] Reached target Timers. [ OK ] Listening on D-Bus System Message Bus Socket. [ OK ] Reached target Sockets. [ OK ] Reached target Basic System. [ OK ] Started D-Bus System Message Bus. Starting Remove Stale Onli…t4 Metadata Check Snapshots... Starting User Login Management... Starting Permit User Sessions... [ OK ] Finished Permit User Sessions. [ OK ] Finished Remove Stale Onli…ext4 Metadata Check Snapshots. [ OK ] Started User Login Management. [ OK ] Listening on Load/Save RF …itch Status /dev/rfkill Watch. [ OK ] Started Getty on tty1. [ OK ] Started Serial Getty on ttymxc1. [ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Finished Update UTMP about System Runlevel Changes. Debian GNU/Linux 11 debian-bullseye-armhf ttymxc1 debian-bullseye-armhf login: root (automatic login) Linux debian-bullseye-armhf 5.10.154-cip20 #1 SMP Sun Nov 13 07:38:06 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/7961875/extract-nfsrootfs-wrz_ivk2' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/7961875/extract-nfsrootfs-wrz_ivk2' / # 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-7961875/environment . /lava-7961875/environment / # /lava-7961875/bin/lava-test-runner /lava-7961875/0 /lava-7961875/bin/lava-test-runner /lava-7961875/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-7961875/0/tests/0_timesync-off ++ cat uuid + UUID=7961875_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-7961875/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=7961875_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/linux-5.10.y-cip/v5.10.154-cip20/arm/multi_v7_defconfig+kselftest/gcc-10/kselftest.tar.xz -L '' -S skipfile-lkft.yaml -b imx6q-sabrelite -g cip -e '' -p /opt/kselftests/mainline/ INFO: Generating a skipfile based on /lava-7961875/0/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. --2022-11-13 07:57:35-- http://storage.kernelci.org/cip/linux-5.10.y-cip/v5.10.154-cip20/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: 1408440 (1.3M) [application/octet-stream] Saving to: 'kselftest.tar.xz' kselftest.tar.xz 0%[ ] 0 --.-KB/s kselftest.tar.xz 2%[ ] 28.94K 101KB/s kselftest.tar.xz 6%[> ] 86.92K 151KB/s kselftest.tar.xz 7%[> ] 105.30K 121KB/s kselftest.tar.xz 11%[=> ] 152.45K 142KB/s kselftest.tar.xz 12%[=> ] 175.07K 134KB/s kselftest.tar.xz 15%[==> ] 211.35K 129KB/s kselftest.tar.xz 18%[==> ] 248.12K 128KB/s kselftest.tar.xz 19%[==> ] 274.99K 124KB/s kselftest.tar.xz 20%[===> ] 288.20K 119KB/s kselftest.tar.xz 22%[===> ] 306.58K 113KB/s kselftest.tar.xz 23%[===> ] 326.38K 108KB/s eta 10s kselftest.tar.xz 25%[====> ] 349.00K 106KB/s eta 10s kselftest.tar.xz 26%[====> ] 364.07K 101KB/s eta 10s kselftest.tar.xz 28%[====> ] 385.77K 99.3KB/s eta 10s kselftest.tar.xz 29%[====> ] 412.15K 95.4KB/s eta 10s kselftest.tar.xz 31%[=====> ] 436.67K 93.7KB/s eta 10s kselftest.tar.xz 33%[=====> ] 459.30K 92.8KB/s eta 10s kselftest.tar.xz 35%[======> ] 487.58K 92.6KB/s eta 10s kselftest.tar.xz 37%[======> ] 518.69K 87.1KB/s eta 9s kselftest.tar.xz 39%[======> ] 544.14K 88.5KB/s eta 9s kselftest.tar.xz 41%[=======> ] 576.67K 85.7KB/s eta 9s kselftest.tar.xz 43%[=======> ] 600.71K 80.7KB/s eta 9s kselftest.tar.xz 45%[========> ] 628.99K 82.6KB/s eta 8s kselftest.tar.xz 47%[========> ] 657.27K 80.9KB/s eta 8s kselftest.tar.xz 50%[=========> ] 694.96K 83.0KB/s eta 8s kselftest.tar.xz 52%[=========> ] 719.00K 83.9KB/s eta 8s kselftest.tar.xz 54%[=========> ] 754.35K 87.6KB/s eta 6s kselftest.tar.xz 56%[==========> ] 778.88K 89.1KB/s eta 6s kselftest.tar.xz 57%[==========> ] 793.95K 87.1KB/s eta 6s kselftest.tar.xz 59%[==========> ] 819.89K 91.2KB/s eta 6s kselftest.tar.xz 61%[===========> ] 841.10K 91.7KB/s eta 6s kselftest.tar.xz 62%[===========> ] 858.07K 92.2KB/s eta 5s kselftest.tar.xz 64%[===========> ] 883.52K 95.4KB/s eta 5s kselftest.tar.xz 65%[============> ] 900.49K 95.3KB/s eta 5s kselftest.tar.xz 67%[============> ] 928.77K 98.2KB/s eta 5s kselftest.tar.xz 68%[============> ] 947.15K 98.0KB/s eta 5s kselftest.tar.xz 71%[=============> ] 981.09K 99.9KB/s eta 4s kselftest.tar.xz 74%[=============> ] 1019K 102KB/s eta 4s kselftest.tar.xz 77%[==============> ] 1.04M 104KB/s eta 4s kselftest.tar.xz 80%[===============> ] 1.08M 109KB/s eta 4s kselftest.tar.xz 83%[===============> ] 1.12M 112KB/s eta 2s kselftest.tar.xz 85%[================> ] 1.15M 113KB/s eta 2s kselftest.tar.xz 87%[================> ] 1.18M 115KB/s eta 2s kselftest.tar.xz 88%[================> ] 1.19M 111KB/s eta 2s kselftest.tar.xz 90%[=================> ] 1.22M 110KB/s eta 1s kselftest.tar.xz 92%[=================> ] 1.25M 112KB/s eta 1s kselftest.tar.xz 94%[=================> ] 1.28M 112KB/s eta 1s kselftest.tar.xz 97%[==================> ] 1.31M 113KB/s eta 1s kselftest.tar.xz 98%[==================> ] 1.33M 112KB/s eta 0s kselftest.tar.xz 100%[===================>] 1.34M 114KB/s in 14s 2022-11-13 07:57:49 (101 KB/s) - 'kselftest.tar.xz' saved [1408440/1408440] 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 ======================================== [ 98.851416] 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 [ 99.768276] lkdtm: Performing direct entry BUG [ 99.773055] ------------[ cut here ]------------ [ 99.777684] kernel BUG at drivers/misc/lkdtm/bugs.c:76! [ 99.782918] Internal error: Oops - BUG: 0 [#1] SMP ARM [ 99.788067] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic parallel_display dw_hdmi_imx dw_hdmi snd_soc_sgtl5000 snd_soc_core imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imxdrm flexcan can_dev etnaviv gpu_sched imx_ipu_v3 [ 99.817144] CPU: 1 PID: 808 Comm: cat Not tainted 5.10.154-cip20 #1 [ 99.823418] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 99.829968] PC is at lkdtm_BUG+0x14/0x18 [ 99.833904] LR is at lkdtm_do_action+0x2c/0x4c [ 99.838356] pc : [] lr : [] psr: a00e0013 [ 99.844630] sp : c704de58 ip : c704de68 fp : c704de64 [ 99.849862] r10: 00000004 r9 : c1ad0b34 r8 : c15e8634 [ 99.855095] r7 : c704df60 r6 : 00000004 r5 : c6a98000 r4 : 00000001 [ 99.861628] r3 : c0c2f7f4 r2 : ce09ee7e r1 : ef7965e0 r0 : c15e863c [ 99.868165] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 99.875308] Control: 10c5387d Table: 16efc04a DAC: 00000051 [ 99.881063] Process cat (pid: 808, stack limit = 0xc5fae86b) [ 99.886731] Stack: (0xc704de58 to 0xc704e000) [ 99.891099] de40: c704de74 c704de68 [ 99.899288] de60: c0c2f288 c0c2f800 c704de9c c704de78 c0c2f788 c0c2f268 c0c2f668 c5a99e00 [ 99.907478] de80: b6e17000 00000004 c5322600 c704df60 c704dec4 c704dea0 c07f6198 c0c2f674 [ 99.915668] dea0: 00000000 c5a99e00 b6e17000 c2816000 c704df60 c07f6134 c704df5c c704dec8 [ 99.923858] dec0: c0598c20 c07f6140 00000001 00000000 c05991b4 c13a3e08 c05991b4 c704c000 [ 99.932046] dee0: b6e17000 00020000 00000004 00000004 0001fffc c704dee0 00000001 b6e16000 [ 99.940234] df00: c5bcea00 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 99.948423] df20: 00000000 00000000 c13a3e08 ce09ee7e c205cfa0 c5a99e00 c5a99e00 c704c000 [ 99.956612] df40: b6e17000 00000000 00000000 00000004 c704df94 c704df60 c05991b4 c0598b20 [ 99.964800] df60: 00000000 00000000 c704dfac ce09ee7e 00000004 00000004 b6f5ee00 00000004 [ 99.972990] df80: c03002e4 c704c000 c704dfa4 c704df98 c0599244 c059914c 00000000 c704dfa8 [ 99.981178] dfa0: c03000c0 c0599238 00000004 00000004 00000001 b6e17000 00000004 00000000 [ 99.989368] dfc0: 00000004 00000004 b6f5ee00 00000004 00000001 00000000 00020000 be884a54 [ 99.997559] dfe0: 00000004 be884788 b6ec94cf b6e4f7e6 800e0030 00000001 00000000 00000000 [ 100.005740] Backtrace: [ 100.008213] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) [ 100.015803] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 100.023826] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 100.031759] r9:c704df60 r8:c5322600 r7:00000004 r6:b6e17000 r5:c5a99e00 r4:c0c2f668 [ 100.039520] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 100.047362] r9:c07f6134 r8:c704df60 r7:c2816000 r6:b6e17000 r5:c5a99e00 r4:00000000 [ 100.055117] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 100.062264] r10:00000004 r9:00000000 r8:00000000 r7:b6e17000 r6:c704c000 r5:c5a99e00 [ 100.070100] r4:c5a99e00 [ 100.072647] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 100.079794] r9:c704c000 r8:c03002e4 r7:00000004 r6:b6f5ee00 r5:00000004 r4:00000004 [ 100.087554] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 100.095130] Exception stack(0xc704dfa8 to 0xc704dff0) [ 100.100192] dfa0: 00000004 00000004 00000001 b6e17000 00000004 00000000 [ 100.108382] dfc0: 00000004 00000004 b6f5ee00 00000004 00000001 00000000 00020000 be884a54 [ 100.116567] dfe0: 00000004 be884788 b6ec94cf b6e4f7e6 [ 100.121630] Code: e92dd800 e24cb004 e52de004 e8bd4000 (e7f001f2) [ 100.127738] ---[ end trace b65577c8fbca8966 ]--- [ 100.132367] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 100.141249] in_atomic(): 0, irqs_disabled(): 128, non_block: 0, pid: 808, name: cat [ 100.148910] INFO: lockdep is turned off. [ 100.152840] irq event stamp: 1596 [ 100.156174] hardirqs last enabled at (1595): [] console_unlock+0x4b0/0x6c0 [ 100.164017] hardirqs last disabled at (1596): [] __und_svc+0x60/0x6c [ 100.171256] softirqs last enabled at (1054): [] release_sock+0x8c/0xa8 [ 100.178749] softirqs last disabled at (1052): [] release_sock+0x28/0xa8 [ 100.186241] CPU: 1 PID: 808 Comm: cat Tainted: G D 5.10.154-cip20 #1 [ 100.193902] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 100.200435] Backtrace: [ 100.202912] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 100.210494] r7:ffffffff r6:600e0093 r5:00000000 r4:c1f0f7f4 [ 100.216172] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 100.223502] [] (dump_stack) from [] (___might_sleep+0x1b0/0x2c0) [ 100.231256] r9:600e0093 r8:0000000b r7:c035bb84 r6:00000031 r5:c19cd354 r4:c704c000 [ 100.239012] [] (___might_sleep) from [] (__might_sleep+0x70/0xb0) [ 100.246851] r6:00000000 r5:00000031 r4:c19cd354 [ 100.251490] [] (__might_sleep) from [] (exit_signals+0x4c/0x3fc) [ 100.259240] r6:00000001 r5:c704c000 r4:c687ec00 [ 100.263879] [] (exit_signals) from [] (do_exit+0x10c/0xb4c) [ 100.271198] r8:0000000b r7:c1e0fccc r6:ffffe000 r5:00000000 r4:c687ec00 [ 100.277915] [] (do_exit) from [] (die+0x374/0x380) [ 100.284448] r7:c1e0fccc [ 100.286993] [] (die) from [] (do_undefinstr+0x170/0x240) [ 100.294053] r10:00000004 r9:c704c000 r8:c15e8634 r7:00000000 r6:c704ddc8 r5:c0c2f808 [ 100.301889] r4:e7f001f2 [ 100.304437] [] (do_undefinstr) from [] (__und_svc_finish+0x0/0x54) [ 100.312360] Exception stack(0xc704ddc8 to 0xc704de10) [ 100.317424] ddc0: c15e863c ef7965e0 ce09ee7e c0c2f7f4 00000001 c6a98000 [ 100.325615] dde0: 00000004 c704df60 c15e8634 c1ad0b34 00000004 c704de64 c704de68 c704de58 [ 100.333802] de00: c0c2f288 c0c2f808 a00e0013 ffffffff [ 100.338863] r7:c704ddfc r6:ffffffff r5:a00e0013 r4:c0c2f80c [ 100.344539] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) [ 100.352123] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 100.360140] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 100.368068] r9:c704df60 r8:c5322600 r7:00000004 r6:b6e17000 r5:c5a99e00 r4:c0c2f668 [ 100.375826] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 100.383666] r9:c07f6134 r8:c704df60 r7:c2816000 r6:b6e17000 r5:c5a99e00 r4:00000000 [ 100.391422] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 100.398567] r10:00000004 r9:00000000 r8:00000000 r7:b6e17000 r6:c704c000 r5:c5a99e00 [ 100.406403] r4:c5a99e00 [ 100.408951] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 100.416098] r9:c704c000 r8:c03002e4 r7:00000004 r6:b6f5ee00 r5:00000004 r4:00000004 [ 100.423853] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 100.431429] Exception stack(0xc704dfa8 to 0xc704dff0) [ 100.436491] dfa0: 00000004 00000004 00000001 b6e17000 00000004 00000000 [ 100.444680] dfc0: 00000004 00000004 b6f5ee00 00000004 00000001 00000000 00020000 be884a54 [ 100.452865] dfe0: 00000004 be884788 b6ec94cf b6e4f7e6 # Segmentation fault # [ 99.768276] lkdtm: Performing direct entry BUG # [ 99.773055] ------------[ cut here ]------------ # [ 99.777684] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 99.782918] Internal error: Oops - BUG: 0 [#1] SMP ARM # [ 99.788067] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic parallel_display dw_hdmi_imx dw_hdmi snd_soc_sgtl5000 snd_soc_core imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imxdrm flexcan can_dev etnaviv gpu_sched imx_ipu_v3 # [ 99.817144] CPU: 1 PID: 808 Comm: cat Not tainted 5.10.154-cip20 #1 # [ 99.823418] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 99.829968] PC is at lkdtm_BUG+0x14/0x18 # [ 99.833904] LR is at lkdtm_do_action+0x2c/0x4c # [ 99.838356] pc : [] lr : [] psr: a00e0013 # [ 99.844630] sp : c704de58 ip : c704de68 fp : c704de64 # [ 99.849862] r10: 00000004 r9 : c1ad0b34 r8 : c15e8634 # [ 99.855095] r7 : c704df60 r6 : 00000004 r5 : c6a98000 r4 : 00000001 # [ 99.861628] r3 : c0c2f7f4 r2 : ce09ee7e r1 : ef7965e0 r0 : c15e863c # [ 99.868165] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 99.875308] Control: 10c5387d Table: 16efc04a DAC: 00000051 # [ 99.881063] Process cat (pid: 808, stack limit = 0xc5fae86b) # [ 99.886731] Stack: (0xc704de58 to 0xc704e000) # [ 99.891099] de40: c704de74 c704de68 # [ 99.899288] de60: c0c2f288 c0c2f800 c704de9c c704de78 c0c2f788 c0c2f268 c0c2f668 c5a99e00 # [ 99.907478] de80: b6e17000 00000004 c5322600 c704df60 c704dec4 c704dea0 c07f6198 c0c2f674 # [ 99.915668] dea0: 00000000 c5a99e00 b6e17000 c2816000 c704df60 c07f6134 c704df5c c704dec8 # [ 99.923858] dec0: c0598c20 c07f6140 00000001 00000000 c05991b4 c13a3e08 c05991b4 c704c000 # [ 99.932046] dee0: b6e17000 00020000 00000004 00000004 0001fffc c704dee0 00000001 b6e16000 # [ 99.940234] df00: c5bcea00 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 99.948423] df20: 00000000 00000000 c13a3e08 ce09ee7e c205cfa0 c5a99e00 c5a99e00 c704c000 # [ 99.956612] df40: b6e17000 00000000 00000000 00000004 c704df94 c704df60 c05991b4 c0598b20 # [ 99.964800] df60: 00000000 00000000 c704dfac ce09ee7e 00000004 00000004 b6f5ee00 00000004 # [ 99.972990] df80: c03002e4 c704c000 c704dfa4 c704df98 c0599244 c059914c 00000000 c704dfa8 # [ 99.981178] dfa0: c03000c0 c0599238 00000004 00000004 00000001 b6e17000 00000004 00000000 # [ 99.989368] dfc0: 00000004 00000004 b6f5ee00 00000004 00000001 00000000 00020000 be884a54 # [ 99.997559] dfe0: 00000004 be884788 b6ec94cf b6e4f7e6 800e0030 00000001 00000000 00000000 # [ 100.005740] Backtrace: # [ 100.008213] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) # [ 100.015803] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 100.023826] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 100.031759] r9:c704df60 r8:c5322600 r7:00000004 r6:b6e17000 r5:c5a99e00 r4:c0c2f668 # [ 100.039520] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 100.047362] r9:c07f6134 r8:c704df60 r7:c2816000 r6:b6e17000 r5:c5a99e00 r4:00000000 # [ 100.055117] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 100.062264] r10:00000004 r9:00000000 r8:00000000 r7:b6e17000 r6:c704c000 r5:c5a99e00 # [ 100.070100] r4:c5a99e00 # [ 100.072647] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 100.079794] r9:c704c000 r8:c03002e4 r7:00000004 r6:b6f5ee00 r5:00000004 r4:00000004 # [ 100.087554] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 100.095130] Exception stack(0xc704dfa8 to 0xc704dff0) # [ 100.100192] dfa0: 00000004 00000004 00000001 b6e17000 00000004 00000000 # [ 100.108382] dfc0: 00000004 00000004 b6f5ee00 00000004 00000001 00000000 00020000 be884a54 # [ 100.116567] dfe0: 00000004 be884788 b6ec94cf b6e4f7e6 # [ 100.121630] Code: e92dd800 e24cb004 e52de004 e8bd4000 (e7f001f2) # [ 100.127738] ---[ end trace b65577c8fbca8966 ]--- # [ 100.132367] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 100.141249] in_atomic(): 0, irqs_disabled(): 128, non_block: 0, pid: 808, name: cat # [ 100.148910] INFO: lockdep is turned off. # [ 100.152840] irq event stamp: 1596 # [ 100.156174] hardirqs last enabled at (1595): [][ 100.917710] lkdtm: Performing direct entry WARNING console_unlock+0x4b0/0x6c0 # [ [ 100.922895] ------------[ cut here ]------------ 100.164017] hardirqs last disabl[ 100.930523] WARNING: CPU: 1 PID: 879 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x48/0x4c ed at (1596): [] __und_[ 100.941722] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic parallel_display dw_hdmi_imx dw_hdmi snd_soc_sgtl5000 snd_soc_core imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imxdrm flexcan can_dev etnaviv gpu_sched imx_ipu_v3 svc+0x60/0x6c # [ 100.171256] s[ 100.973421] CPU: 1 PID: 879 Comm: cat Tainted: G D W 5.10.154-cip20 #1 oftirqs last enabled at (1054): [ 100.983897] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [] release_sock+0x8c/0x[ 100.993285] Backtrace: a8 # [ 100.178749] softirqs las[ 100.998615] [] (dump_backtrace) from [] (show_stack+0x20/0x24) t disabled at (1052): [[ 101.009033] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7f4 ] release_sock+0x28/0xa8 # [ 10[ 101.017558] [] (show_stack) from [] (dump_stack+0xe0/0x100) 0.186241] CPU: 1 PID: 808 Comm: c[ 101.027731] [] (dump_stack) from [] (__warn+0xfc/0x16c) at Tainted: G D 5.[ 101.037548] r9:00000009 r8:c0c2f854 r7:00000053 r6:00000009 r5:c0c2f854 r4:c1ad11f0 10.154-cip20 #1 # [ 100.193902][ 101.048155] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) Hardware name: Freescale i.MX6 Q[ 101.058496] r7:00000053 r6:c1ad11f0 r5:00000000 r4:c47e8000 uad/DualLite (Device Tree) # [ [ 101.067024] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING+0x48/0x4c) 100.200435] Backtrace: # [ 100[ 101.077970] r9:c1ad0b38 r8:c15e8634 r7:c47e9f60 r6:00000008 r5:c580d000 r4:00000002 .202912] [] (dump_backt[ 101.088580] [] (lkdtm_WARNING) from [] (lkdtm_do_action+0x2c/0x4c) race) from [] (show_sta[ 101.099357] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) ck+0x20/0x24) # [ 100.210494] [ 101.110225] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) r7:ffffffff r6:600e0093 r5:000000[ 101.120996] r9:c47e9f60 r8:c5322600 r7:00000008 r6:b6e0c000 r5:c5a99a40 r4:c0c2f668 00 r4:c1f0f7f4 # [ 100.216172] [ 101.131607] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [] (show_stack) from [<[ 101.142292] r9:c07f6134 r8:c47e9f60 r7:c2816000 r6:b6e0c000 r5:c5a99a40 r4:00000000 c13880b4>] (dump_stack+0xe0/0x100[ 101.152900] [] (vfs_write) from [] (ksys_write+0x74/0xec) ) # [ 100.223502] [] [ 101.162896] r10:00000004 r9:00000000 r8:00000000 r7:b6e0c000 r6:c47e8000 r5:c5a99a40 (dump_stack) from [] (_[ 101.173584] r4:c5a99a40 __might_sleep+0x1b0/0x2c0) # [ [ 101.178985] [] (ksys_write) from [] (sys_write+0x18/0x1c) 100.231256] r9:600e0093 r8:00000[ 101.188982] r9:c47e8000 r8:c03002e4 r7:00000004 r6:b6f53e00 r5:00000008 r4:00000008 00b r7:c035bb84 r6:00000031 r5:c1[ 101.199590] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) 9cd354 r4:c704c000 [ 101.210016] Exception stack(0xc47e9fa8 to 0xc47e9ff0) # [ 100.239012] [] (__[ 101.216805] 9fa0: 00000008 00000008 00000001 b6e0c000 00000008 00000000 _might_sleep) from [] ([ 101.227850] 9fc0: 00000008 00000008 b6f53e00 00000004 00000001 00000000 00020000 bec64a54 __might_sleep+0x70/0xb0) [ 101.238883] 9fe0: 00000004 bec64788 b6ebe4cf b6e447e6 # [ 100.246851] r6:00000000 r5:[ 101.246226] irq event stamp: 0 00000031 r4:c19cd354 # [ 100.25[ 101.252114] hardirqs last enabled at (0): [<00000000>] 0x0 1490] [] (__might_sleep[ 101.260578] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c ) from [] (exit_signals[ 101.270922] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c +0x4c/0x3fc) # [ 100.259240] r[ 101.281265] softirqs last disabled at (0): [<00000000>] 0x0 6:00000001 r5:c704c000 r4:c687ec0[ 101.289701] ---[ end trace b65577c8fbca8967 ]--- 0 # [ 100.263879] [] (exit_signals) from [] (do_exit+0x10c/0xb4c) # [ 100.271198] r8:0000000b r7:c1e0fccc r6:ffffe000 r5:00000000 r4:c687ec00 # [ 100.277915] [] (do_exit) from [] (die+0x374/0x380) # [ 100.284448] r7:c1e0fccc # [ 100.286993] [] (die) from [] (do_undefinstr+0x170/0x240) # [ 100.294053] r10:00000004 r9:c704c000 r8:c15e8634 r7:00000000 r6:c704ddc8 r5:c0c2f808 # [ 100.301889] r4:e7f001f2 # [ 100.304437] [] (do_undefinstr) from [] (__und_svc_finish+0x0/0x54) # [ 100.312360] Exception stack(0xc704ddc8 to 0xc704de10) # [ 100.317424] ddc0: c15e863c ef7965e0 ce09ee7e c0c2f7f4 00000001 c6a98000 # [ 100.325615] dde0: 00000004 c704df60 c15e8634 c1ad0b34 00000004 c704de64 c704de68 c704de58 # [ 100.333802] de00: c0c2f288 c0c2f808 a00e0013 ffffffff # [ 100.338863] r7:c704ddfc r6:ffffffff r5:a00e0013 r4:c0c2f80c # [ 100.344539] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) # [ 100.352123] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 100.360140] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 100.368068] r9:c704df60 r8:c5322600 r7:00000004 r6:b6e17000 r5:c5a99e00 r4:c0c2f668 # [ 100.375826] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 100.383666] r9:c07f6134 r8:c704df60 r7:c2816000 r6:b6e17000 r5:c5a99e00 r4:00000000 # [ 100.391422] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 100.398567] r10:00000004 r9:00000000 r8:00000000 r7:b6e17000 r6:c704c000 r5:c5a99e00 # [ 100.406403] r4:c5a99e00 # [ 100.408951] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 100.416098] r9:c704c000 r8:c03002e4 r7:00000004 r6:b6f5ee00 r5:00000004 r4:00000004 # [ 100.423853] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 100.431429] Exception stack(0xc704dfa8 to 0xc704dff0) # [ 100.436491] dfa0: 00000004 00000004 00000001 b6e17000 00000004 00000000 # [ 100.444680] dfc0: 00000004 00000004 b6f5ee00 00000004 00000001 00000000 00020000 be884a54 # [ 100.452865] dfe0: 00000004 be884788 b6ec94cf b6e4f7e6 # BUG: saw 'kernel BUG at': ok ok 2 selftests: lkdtm: BUG.sh # selftests: lkdtm: WARNING.sh # [ 100.917710] lkdtm: Performing direct entry WARNING # [ 100.922895] ------------[ cut here ]------------ # [ 100.930523] WARNING: CPU: 1 PID: 879 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x48/0x4c # [ 100.941722] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic parallel_display dw_hdmi_imx dw_hdmi snd_soc_sgtl5000 snd_soc_core imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imxdrm flexcan can_dev etnaviv gpu_sched imx_ipu_v3 # [ 100.973421] CPU: 1 PID: 879 Comm: cat Tainted: G D W 5.10.154-cip20 #1 # [ 100.983897] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 100.993285] Backtrace: # [ 100.998615] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 101.009033] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7f4 # [ 101.017558] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 101.027731] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 101.037548] r9:00000009 r8:c0c2f854 r7:00000053 r6:00000009 r5:c0c2f854 r4:c1ad11f0 # [ 101.048155] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 101.058496] r7:00000053 r6:c1ad11f0 r5:00000000 r4:c47e8000 # [ 101.067024] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING+0x48/0x4c) # [ 101.077970] r9:c1ad0b38 r8:c15e8634 r7:c47e9f60 r6:[ 101.628340] lkdtm: Performing direct entry WARNING_MESSAGE 00000008 r5:c580d000 r4:00000002 [ 101.636763] ------------[ cut here ]------------ # [ 101.088580] [] (l[ 101.644067] WARNING: CPU: 3 PID: 914 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x4c/0x54 kdtm_WARNING) from [] ([ 101.656080] Warning message trigger count: 2 lkdtm_do_action+0x2c/0x4c) # [ [ 101.663127] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic parallel_display dw_hdmi_imx dw_hdmi snd_soc_sgtl5000 snd_soc_core imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imxdrm flexcan can_dev etnaviv gpu_sched imx_ipu_v3 101.099357] [] (lkdtm_d[ 101.694854] CPU: 3 PID: 914 Comm: cat Tainted: G D W 5.10.154-cip20 #1 o_action) from [] (dire[ 101.705329] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) ct_entry+0x120/0x18c) # [ 101.1[ 101.714721] Backtrace: 10225] [] (direct_entry[ 101.720050] [] (dump_backtrace) from [] (show_stack+0x20/0x24) ) from [] (full_proxy_w[ 101.730468] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7f4 rite+0x64/0x94) # [ 101.120996][ 101.739000] [] (show_stack) from [] (dump_stack+0xe0/0x100) r9:c47e9f60 r8:c5322600 r7:0000[ 101.749171] [] (dump_stack) from [] (__warn+0xfc/0x16c) 0008 r6:b6e0c000 r5:c5a99a40 r4:c[ 101.758990] r9:00000009 r8:c0c2f8a4 r7:00000058 r6:00000009 r5:c0c2f8a4 r4:c1ad11f0 0c2f668 # [ 101.131607] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) 134>] (full_proxy_write) from [] (vfs_write+0x10c/0x524)[ 101.788470] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING_MESSAGE+0x4c/0x54) # [ 101.142292] r9:c07f6134 r[ 101.800113] r9:c1ad0b40 r8:c15e8634 r7:c581bf60 r6:00000010 r5:c5dda000 r4:00000003 8:c47e9f60 r7:c2816000 r6:b6e0c00[ 101.810722] [] (lkdtm_WARNING_MESSAGE) from [] (lkdtm_do_action+0x2c/0x4c) 0 r5:c5a99a40 r4:00000000 # [ 1[ 101.822195] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) 01.152900] [] (vfs_writ[ 101.833063] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) e) from [] (ksys_write+[ 101.843836] r9:c581bf60 r8:c5322600 r7:00000010 r6:b6e8a000 r5:c5bce780 r4:c0c2f668 0x74/0xec) # [ 101.162896] r10[ 101.854444] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) :00000004 r9:00000000 r8:00000000[ 101.865132] r9:c07f6134 r8:c581bf60 r7:c2816000 r6:b6e8a000 r5:c5bce780 r4:00000000 r7:b6e0c000 r6:c47e8000 r5:c5a99[ 101.875739] [] (vfs_write) from [] (ksys_write+0x74/0xec) a40 # [ 101.173584] r4:c5a99a4[ 101.885737] r10:00000004 r9:00000000 r8:00000000 r7:b6e8a000 r6:c581a000 r5:c5bce780 0 # [ 101.178985] [] [ 101.896425] r4:c5bce780 (ksys_write) from [] (s[ 101.901829] [] (ksys_write) from [] (sys_write+0x18/0x1c) ys_write+0x18/0x1c) # [ 101.188[ 101.911823] r9:c581a000 r8:c03002e4 r7:00000004 r6:b6fd1e00 r5:00000010 r4:00000010 982] r9:c47e8000 r8:c03002e4 r7:[ 101.922432] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) 00000004 r6:b6f53e00 r5:00000008 [ 101.932859] Exception stack(0xc581bfa8 to 0xc581bff0) r4:00000008 # [ 101.199590] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28[ 101.962854] bfe0: 00000004 beee5788 b6f3c4cf b6ec27e6 ) # [ 101.210016] Exception sta[ 101.970833] irq event stamp: 0 ck(0xc47e9fa8 to 0xc47e9ff0) # [[ 101.976716] hardirqs last enabled at (0): [<00000000>] 0x0 101.216805] 9fa0: [ 101.985177] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c 00000008 00000008 00000001 b[ 101.995545] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c 6e0c000 00000008 00000000 # [ 1[ 102.005857] softirqs last disabled at (0): [<00000000>] 0x0 01.227850] 9fc0: 00000008 0000000[ 102.014285] ---[ end trace b65577c8fbca8968 ]--- 8 b6f53e00 00000004 00000001 00000000 00020000 bec64a54 # [ 101.238883] 9fe0: 00000004 bec64788 b6ebe4cf b6e447e6 # [ 101.246226] irq event stamp: 0 # [ 101.252114] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 101.260578] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 101.270922] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 101.281265] softirqs last disabled at (0): [<00000000>] 0x0 # [ 101.289701] ---[ end trace b65577c8fbca8967 ]--- # WARNING: saw 'WARNING:': ok ok 3 selftests: lkdtm: WARNING.sh # selftests: lkdtm: WARNING_MESSAGE.sh # [ 101.628340] lkdtm: Performing direct entry WARNING_MESSAGE # [ 101.636763] ------------[ cut here ]------------ # [ 101.644067] WARNING: CPU: 3 PID: 914 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x4c/0x54 # [ 101.656080] Warning message trigger count: 2 # [ 101.663127] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic parallel_display dw_hdmi_imx dw_hdmi snd_soc_sgtl5000 snd_soc_core imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imxdrm flexcan can_dev etnaviv gpu_sched imx_ipu_v3 # [ 101.694854] CPU: 3 PID: 914 Comm: cat Tainted: G D W 5.10.154-cip20 #1 # [ 101.705329] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 101.714721] Backtrace: # [ 101.720050] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 101.730468] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7f4 # [ 101.739000] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 101.749171] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 101.758990] r9:00000009 r8:c0c2f8a4 r7:00000058 r6:00000009 r5:c0c2f8a4 r4:c1ad11f0 # [ 101.769598] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 101.779939] r7:00000058 r6:c1ad11f0 r5:c1ad120c r4:c581a000 # [ 101.788470] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING_MESSAGE+0x4c/0x54) # [ 101.800113] r9:c1ad0b40 r8:c15e8634 r7:c581bf60 r6:00000010 r5:c5dda000 r4:00000003 # [ 101.810722] [] (lkdtm_WARNING_MESSAGE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 101.822195] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 101.833063] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 101.843836] r9:c581bf60 r8:c5322600 r7:00000010 r6:b6e8a000 r5:c5bce780 r4:c0c2f668 # [ 101.854444] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 101.865132] r9:c07f6134 r8:c581bf60 r7:c2816000 r6:b6e8a000 r5:c5bce780 r4:00000000 # [ 101.875739] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 101.885737] r10:00000004 r9:00000000 r8:00000000 r7:b6e8a000 r6:c581a000 r5:c5bce780 # [ 101.896425] r4:c5bce780 # [ 101.901829] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 101.911823] r9:c581a000 r8:c03002e4 r7:00000004 r6:b6fd1e00 r5:00000010 r4:00000010 # [ 101.922432] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 101.932859] Exception stack(0xc581bfa8 to 0xc581bff0) # [ 101.940778] bfa0: 00000010 00000010 00000001 b6e8a000 00000010 00000000 # [ 101.951819] bfc0: 00000010 00000010 b6fd1e00 00000004 00000001 00000000 00020000 beee5a54 # [ 101.962854] bfe0: 00000004 beee5788 b6f3c4cf b6ec27e6 # [ 101.970833] irq event stamp: 0 # [ 101.976716] har[ 102.332450] lkdtm: Performing direct entry EXCEPTION dirqs last enabled at (0): [<000[ 102.339133] 8<--- cut here --- 00000>] 0x0 # [ 101.985177] har[ 102.345074] Unable to handle kernel NULL pointer dereference at virtual address 00000000 dirqs last disabled at (0): [] copy_process+0x5c8/0x194c[ 102.361488] [00000000] *pgd=00000000 # [ 101.995545] softirqs last [ 102.368069] Internal error: Oops: 805 [#2] SMP ARM enabled at (0): [] cop[ 102.375583] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic parallel_display dw_hdmi_imx dw_hdmi snd_soc_sgtl5000 snd_soc_core imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imxdrm flexcan can_dev etnaviv gpu_sched imx_ipu_v3 y_process+0x5c8/0x19[4 c 1 0#2 .407287] CPU: 1 PID: 946 Comm: cat Tainted: G D W 5.10.154-cip20 #1 102.0058[5 7 ]1 02s.o4f1t7i1r9q] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) s last disabled at (0): [<00000[0 102.425467] PC is at lkdtm_EXCEPTION+0x18/0x20 00>] 0x0 # [ 1[0 2 .100124.24832588] LR is at lkdtm_do_action+0x2c/0x4c ] ---[ end t[r a c1e0 2b.6453597112] pc : [] lr : [] psr: a00e0013 c8fbca8968 [] - -1-0 2 .#4 4W7A2R4] sp : c581be58 ip : c581be68 fp : c581be64 NING_MESSA[G E :1 0s2a.w4 5'43m3e] r10: 0000000a r9 : c1ad0b50 r8 : c15e8634 ssage trigg[e r '1:0 2o.k4 6 1o2k9] r7 : c581bf60 r6 : 0000000a r5 : c6e82000 r4 : 00000004 4 selftes[t s :1 0l2k.d4t6m9:6 36] r3 : 00000000 r2 : f8f2355a r1 : ef7965e0 r0 : c15e8654 ARNING_MESSAGE[. s h1 02 .#4 7s7e87] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none lftests: lkd[t m :1 0E2X.C4E8P7T028] Control: 10c5387d Table: 1704c04a DAC: 00000051 ON.sh [ 102.494682] Process cat (pid: 946, stack limit = 0x02a532e2) [ 102.500947] Stack: (0xc581be58 to 0xc581c000) [ 102.505311] be40: c581be74 c581be68 [ 102.513496] be60: c0c2f288 c0c2f8b8 c581be9c c581be78 c0c2f788 c0c2f268 c0c2f668 c6943b80 [ 102.521683] be80: b6de0000 0000000a c5322600 c581bf60 c581bec4 c581bea0 c07f6198 c0c2f674 [ 102.529868] bea0: 00000000 c6943b80 b6de0000 c2816000 c581bf60 c07f6134 c581bf5c c581bec8 [ 102.538054] bec0: c0598c20 c07f6140 00000001 00000000 c05991b4 c5980324 c05991b4 c581a000 [ 102.546239] bee0: b6de0000 00020000 00000004 0000000a 0001fff6 c581bee0 00000001 00000805 [ 102.554424] bf00: c5a98780 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 102.562610] bf20: 00000000 00000000 c581a000 f8f2355a b6ddf000 c6943b80 c6943b80 c581a000 [ 102.570797] bf40: b6de0000 00000000 00000000 00000004 c581bf94 c581bf60 c05991b4 c0598b20 [ 102.578981] bf60: 00000000 00000000 c581bfac f8f2355a 0000000a 0000000a b6f27e00 00000004 [ 102.587166] bf80: c03002e4 c581a000 c581bfa4 c581bf98 c0599244 c059914c 00000000 c581bfa8 [ 102.595351] bfa0: c03000c0 c0599238 0000000a 0000000a 00000001 b6de0000 0000000a 00000000 [ 102.603538] bfc0: 0000000a 0000000a b6f27e00 00000004 00000001 00000000 00020000 bee26a54 [ 102.611722] bfe0: 00000004 bee26788 b6e924cf b6e187e6 800e0030 00000001 00000000 00000000 [ 102.619901] Backtrace: [ 102.622368] [] (lkdtm_EXCEPTION) from [] (lkdtm_do_action+0x2c/0x4c) [ 102.630471] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 102.638490] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 102.646417] r9:c581bf60 r8:c5322600 r7:0000000a r6:b6de0000 r5:c6943b80 r4:c0c2f668 [ 102.654174] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 102.662012] r9:c07f6134 r8:c581bf60 r7:c2816000 r6:b6de0000 r5:c6943b80 r4:00000000 [ 102.669763] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 102.676907] r10:00000004 r9:00000000 r8:00000000 r7:b6de0000 r6:c581a000 r5:c6943b80 [ 102.684742] r4:c6943b80 [ 102.687285] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 102.694427] r9:c581a000 r8:c03002e4 r7:00000004 r6:b6f27e00 r5:0000000a r4:0000000a [ 102.702181] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 102.709754] Exception stack(0xc581bfa8 to 0xc581bff0) [ 102.714812] bfa0: 0000000a 0000000a 00000001 b6de0000 0000000a 00000000 [ 102.722997] bfc0: 0000000a 0000000a b6f27e00 00000004 00000001 00000000 00020000 bee26a54 [ 102.731179] bfe0: 00000004 bee26788 b6e924cf b6e187e6 [ 102.736240] Code: e24cb004 e52de004 e8bd4000 e3a03000 (e5833000) [ 102.742424] ---[ end trace b65577c8fbca8969 ]--- # Segmentation fault # [ 102.332450] lkdtm: Performing direct entry EXCEPTION # [ 102.339133] 8<--- cut here --- # [ 102.345074] Unable to handle kernel NULL pointer dereference at virtual address 00000000 # [ 102.355983] pgd = 0ac16756 # [ 102.361488] [00000000] *pgd=00000000 # [ 102.368069] Internal error: Oops: 805 [#2] SMP ARM # [ 102.375583] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic parallel_display dw_hdmi_imx dw_hdmi snd_soc_sgtl5000 snd_soc_core imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imxdrm flexcan can_dev etnaviv gpu_sched imx_ipu_v3 # [ 102.407287] CPU: 1 PID: 946 Comm: cat Tainted: G D W 5.10.154-cip20 #1 # [ 102.417191] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 102.425467] PC is at lkdtm_EXCEPTION+0x18/0x20 # [ 102.432588] LR is at lkdtm_do_action+0x2c/0x4c # [ 102.439112] pc : [] lr : [] psr: a00e0013 # [ 102.447284] sp : c581be58 ip : c581be68 fp : c581be64 # [ 102.454330] r10: 0000000a r9 : c1ad0b50 r8 : c15e8634 # [ 102.461289] r7 : c581bf60 r6 : 0000000a r5 : c6e82000 r4 : 00000004 # [ 102.469636] r3 : 00000000 r2 : f8f2355a r1 : ef7965e0 r0 : c15e8654 # [ 102.477987] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 102.487028] Control: 10c5387d Table: 1704c04a DAC: 00000051 # [ 102.494682] Process cat (pid: 946, stack limit = 0x02a532e2) # [ 102.500947] Stack: (0xc581be58 to 0xc581c000) # [ 102.505311] be40: c581be74 c581be68 # [ 102.513496] be60: c0c2f288 c0c2f8b8 c581be9c c581be78 c0c2f788 c0c2f268 c0c2f668 c6943b80 # [ 102.521683] be80: b6de0000 0000000a c5322600 c581bf60 c581bec4 c581bea0 c07f6198 c0c2f674 # [ 102.529868] bea0: 00000000 c6943b80 b6de0000 c2816000 c581bf60 c07f6134 c581bf5c c581bec8 # [ 102.538054] bec0: c0598c20 c07f6140 00000001 00000000 c05991b4 c5980324 c05991b4 c581a000 # [ 102.546239] bee0: b6de0000 00020000 00000004 0000000a 0001fff6 c581bee0 00000001 00000805 # [ 102.554424] bf00: c5a98780 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 102.562610] bf20: 00000000 00000000 c581a000 f8f2355a b6ddf000 c6943b80 c6943b80 c581a000 # [ 102.570797] bf40: b6de0000 00000000 00000000 00000004 c581bf94 c581bf60 c05991b4 c0598b20 # [ 102.578981] bf60: 00000000 00000000 c581bfac f8f2355a 0000000a 0000000a b6f27e00 00000004 # [ 102.587166] bf80: c03002e4 c581a000 c581bfa4 c581bf98 c0599244 c059914c 00000000 c581bfa8 # [ 102.595351] bfa0: c03000c0 c0599238 0000000a 0000000a 00000001 b6de0000 0000000a 00000000 # [ 102.603538] bfc0: 0000000a 0000000a b6f27e00 00000004 00000001 00000000 00020000 bee26a54 # [ 102.611722] bfe0: 00000004 bee26788 b6e924cf b6e187e6 800e0030 00000001 00000000 00000000 # [ 102.619901] Backtrace: # [ 102.622368] [] (lkdtm_EXCEPTION) from [] (lkdtm_do_action+0x2c/0x4c) # [ 102.630471] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 102.638490] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 102.646417] r9:c581bf60 r8:c5322600 r7:0000000a r6:b6de0000 r5:c6943b80 r4:c0c2f668 # [ 102.654174] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 102.662012] r9:c07f6134 r8:c581bf60 r7:c2816000 r6:b6de0000 r5:c6943b80 r4:00000000 # [ 102.669763] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 102.676907] r10:00000004 r9:00000000 r8:00000000 r7:b6de0000 r6:c581a000 r5:c6943b80 # [ 102.684742] r4:c6943b80 # [ 102.687285] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 102.694427] r9:c581a000 r8:c03002e4 r7:00000004 r6:b6f27e00 r5:0000000a r4:0000000a # [ 102.702181] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 102.709754] Exception stack(0xc581bfa8 to 0xc581bff0) # [ 102.714812] bfa0: 0000000a 0000000a 00000001 b6de0000 0000000a 00000000 # [ 102.722997] bfc0: 0000000a 0000000a b6f27e00 00000004 00000001 00000000 00020000 bee26a54 # [ 102.731179] bfe0: 00000004 bee26788 b6e924cf b6e187e6 # [ 102.736240] Code: e24cb004 e52de004 e8bd4000 e3a03000 (e5833000) # [ 102.742424] ---[ end trace b65577c8fbca8969 ]--- # 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 [ 103.913445] lkdtm: Performing direct entry CORRUPT_LIST_ADD [ 103.919247] lkdtm: attempting good list addition [ 103.923947] lkdtm: attempting corrupted list addition [ 103.929014] lkdtm: list_add() corruption not detected! # [ 103.913445] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 103.919247] lkdtm: attempting good list addition # [ 103.923947] lkdtm: attempting corrupted list addition # [ 103.929014] 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 [ 104.252689] lkdtm: Performing direct entry CORRUPT_LIST_DEL [ 104.258325] lkdtm: attempting good list removal [ 104.262866] lkdtm: attempting corrupted list removal [ 104.267905] lkdtm: list_del() corruption not detected! # [ 104.252689] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 104.258325] lkdtm: attempting good list removal # [ 104.262866] lkdtm: attempting corrupted list removal # [ 104.267905] 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 [ 104.592152] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING [ 104.598615] lkdtm: attempting bad read from page below current stack [ 104.605097] lkdtm: FAIL: accessed page before stack! (byte: 0) # [ 104.592152] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 104.598615] lkdtm: attempting bad read from page below current stack # [ 104.605097] 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 [ 104.931699] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING [ 104.938223] lkdtm: attempting bad read from page above current stack [ 104.944680] lkdtm: FAIL: accessed page after stack! (byte: 0) # [ 104.931699] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING # [ 104.938223] lkdtm: attempting bad read from page above current stack # [ 104.944680] 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 [ 105.285809] lkdtm: Performing direct entry UNSET_SMEP [ 105.290886] lkdtm: XFAIL: this test is x86_64-only # [ 105.285809] lkdtm: Performing direct entry UNSET_SMEP # [ 105.290886] 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 [ 105.600292] lkdtm: Performing direct entry DOUBLE_FAULT [ 105.605586] lkdtm: XFAIL: this test is ia32-only # [ 105.600292] lkdtm: Performing direct entry DOUBLE_FAULT # [ 105.605586] 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 [ 105.926943] lkdtm: Performing direct entry CORRUPT_PAC [ 105.932108] lkdtm: XFAIL: this test is arm64-only # [ 105.926943] lkdtm: Performing direct entry CORRUPT_PAC # [ 105.932108] 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 [ 106.253121] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE [ 106.259775] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS # [ 106.253121] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # [ 106.259775] 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 [ 106.988448] lkdtm: Performing direct entry READ_AFTER_FREE [ 106.994183] lkdtm: Value in memory before free: 12345678 [ 106.999538] lkdtm: Attempting bad read from freed memory [ 107.004908] lkdtm: Memory was not poisoned # [ 106.988448] lkdtm: Performing direct entry READ_AFTER_FREE # [ 106.994183] lkdtm: Value in memory before free: 12345678 # [ 106.999538] lkdtm: Attempting bad read from freed memory # [ 107.004908] 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 [ 107.520253] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE [ 107.526340] lkdtm: Value in memory before free: 12345678 [ 107.531666] lkdtm: Attempting to read from freed memory [ 107.537043] lkdtm: Buddy page was not poisoned # [ 107.520253] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE # [ 107.526340] lkdtm: Value in memory before free: 12345678 # [ 107.531666] lkdtm: Attempting to read from freed memory # [ 107.537043] 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 [ 107.870089] lkdtm: Performing direct entry SLAB_FREE_DOUBLE [ 107.875745] lkdtm: Attempting double slab free ... # [ 107.870089] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 107.875745] 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 [ 108.201842] lkdtm: Performing direct entry SLAB_FREE_CROSS [ 108.207431] lkdtm: Attempting cross-cache slab free ... # [ 108.201842] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 108.207431] 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 [ 108.537771] lkdtm: Performing direct entry SLAB_FREE_PAGE [ 108.543194] lkdtm: Attempting non-Slab slab free ... # [ 108.537771] lkdtm: Performing direct entry SLAB_FREE_PAGE # [ 108.543194] 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 [ 109.644718] lkdtm: Performing direct entry EXEC_DATA [ 109.649707] lkdtm: attempting ok execution at c0c2fff8 [ 109.654987] lkdtm: attempting bad execution at c26f794c [ 109.660258] 8<--- cut here --- [ 109.663325] Unable to handle kernel paging request at virtual address c26f794c [ 109.670555] pgd = c724496d [ 109.673269] [c26f794c] *pgd=1261141e(bad) [ 109.677315] Internal error: Oops: 8000000d [#3] SMP ARM [ 109.682565] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic parallel_display dw_hdmi_imx dw_hdmi snd_soc_sgtl5000 snd_soc_core imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imxdrm flexcan can_dev etnaviv gpu_sched imx_ipu_v3 [ 109.711850] CPU: 2 PID: 1789 Comm: cat Tainted: G D W 5.10.154-cip20 #1 [ 109.719616] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 109.726180] PC is at data_area+0x0/0x40 [ 109.730050] LR is at execute_location+0xa4/0xb4 [ 109.734604] pc : [] lr : [] psr: 600e0013 [ 109.740891] sp : c6b95e38 ip : 00000027 fp : c6b95e54 [ 109.746136] r10: 0000000a r9 : c1ad0d34 r8 : c15e8634 [ 109.751383] r7 : c6b95f60 r6 : 00000001 r5 : c26f794c r4 : c0c2fff8 [ 109.757931] r3 : d0ed47b4 r2 : d0ed47b4 r1 : ef7ab5e4 r0 : 0000002b [ 109.764484] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 109.771643] Control: 10c5387d Table: 147a004a DAC: 00000051 [ 109.777412] Process cat (pid: 1789, stack limit = 0x79033755) [ 109.783181] Stack: (0xc6b95e38 to 0xc6b96000) [ 109.787565] 5e20: 0000001f c470d000 [ 109.795777] 5e40: 0000000a c6b95f60 c6b95e64 c6b95e58 c138e7f0 c138e5ec c6b95e74 c6b95e68 [ 109.803985] 5e60: c0c2f288 c138e7d8 c6b95e9c c6b95e78 c0c2f788 c0c2f268 c0c2f668 c5bddcc0 [ 109.812195] 5e80: b6e41000 0000000a c5322600 c6b95f60 c6b95ec4 c6b95ea0 c07f6198 c0c2f674 [ 109.820405] 5ea0: 00000000 c5bddcc0 b6e41000 c2816000 c6b95f60 c07f6134 c6b95f5c c6b95ec8 [ 109.828614] 5ec0: c0598c20 c07f6140 00000001 00000000 c05991b4 c13a3e08 c05991b4 c6b94000 [ 109.836822] 5ee0: b6e41000 00020000 00000004 0000000a 0001fff6 c6b95ee0 00000001 b6e40000 [ 109.845029] 5f00: c5a98c80 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 109.853237] 5f20: 00000000 00000000 c13a3e08 d0ed47b4 c205cfa0 c5bddcc0 c5bddcc0 c6b94000 [ 109.861445] 5f40: b6e41000 00000000 00000000 00000004 c6b95f94 c6b95f60 c05991b4 c0598b20 [ 109.869652] 5f60: 00000000 00000000 c6b95fac d0ed47b4 0000000a 0000000a b6f88e00 00000004 [ 109.877859] 5f80: c03002e4 c6b94000 c6b95fa4 c6b95f98 c0599244 c059914c 00000000 c6b95fa8 [ 109.886067] 5fa0: c03000c0 c0599238 0000000a 0000000a 00000001 b6e41000 0000000a 00000000 [ 109.894275] 5fc0: 0000000a 0000000a b6f88e00 00000004 00000001 00000000 00020000 bec32a54 [ 109.902483] 5fe0: 00000004 bec32788 b6ef34cf b6e797e6 800e0030 00000001 00000000 00000000 [ 109.910678] Backtrace: [ 109.913177] [] (execute_location) from [] (lkdtm_EXEC_DATA+0x24/0x28) [ 109.921386] r7:c6b95f60 r6:0000000a r5:c470d000 r4:0000001f [ 109.927092] [] (lkdtm_EXEC_DATA) from [] (lkdtm_do_action+0x2c/0x4c) [ 109.935222] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 109.943267] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 109.951215] r9:c6b95f60 r8:c5322600 r7:0000000a r6:b6e41000 r5:c5bddcc0 r4:c0c2f668 [ 109.958998] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 109.966860] r9:c07f6134 r8:c6b95f60 r7:c2816000 r6:b6e41000 r5:c5bddcc0 r4:00000000 [ 109.974638] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 109.981804] r10:00000004 r9:00000000 r8:00000000 r7:b6e41000 r6:c6b94000 r5:c5bddcc0 [ 109.989657] r4:c5bddcc0 [ 109.992227] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 109.999396] r9:c6b94000 r8:c03002e4 r7:00000004 r6:b6f88e00 r5:0000000a r4:0000000a [ 110.007178] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 110.014771] Exception stack(0xc6b95fa8 to 0xc6b95ff0) [ 110.019853] 5fa0: 0000000a 0000000a 00000001 b6e41000 0000000a 00000000 [ 110.028063] 5fc0: 0000000a 0000000a b6f88e00 00000004 00000001 00000000 00020000 bec32a54 [ 110.036266] 5fe0: 00000004 bec32788 b6ef34cf b6e797e6 [ 110.041352] Code: 00000000 c2fb79c0 c2fb7a80 c2fb7b40 (e1a0c00d) [ 110.047481] ---[ end trace b65577c8fbca896a ]--- # Segmentation fault # [ 109.644718] lkdtm: Performing direct entry EXEC_DATA # [ 109.649707] lkdtm: attempting ok execution at c0c2fff8 # [ 109.654987] lkdtm: attempting bad execution at c26f794c # [ 109.660258] 8<--- cut here --- # [ 109.663325] Unable to handle kernel paging request at virtual address c26f794c # [ 109.670555] pgd = c724496d # [ 109.673269] [c26f794c] *pgd=1261141e(bad) # [ 109.677315] Internal error: Oops: 8000000d [#3] SMP ARM # [ 109.682565] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic parallel_display dw_hdmi_imx dw_hdmi snd_soc_sgtl5000 snd_soc_core imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imxdrm flexcan can_dev etnaviv gpu_sched imx_ipu_v3 # [ 109.711850] CPU: 2 PID: 1789 Comm: cat Tainted: G D W 5.10.154-cip20 #1 # [ 109.719616] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 109.726180] PC is at data_area+0x0/0x40 # [ 109.730050] LR is at execute_location+0xa4/0xb4 # [ 109.734604] pc : [] lr : [] psr: 600e0013 # [ 109.740891] sp : c6b95e38 ip : 00000027 fp : c6b95e54 # [ 109.746136] r10: 0000000a r9 : c1ad0d34 r8 : c15e8634 # [ 109.751383] r7 : c6b95f60 r6 : 00000001 r5 : c26f794c r4 : c0c2fff8 # [ 109.757931] r3 : d0ed47b4 r2 : d0ed47b4 r1 : ef7ab5e4 r0 : 0000002b # [ 109.764484] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 109.771643] Control: 10c5387d Table: 147a004a DAC: 00000051 # [ 109.777412] Process cat (pid: 1789, stack limit = 0x79033755) # [ 109.783181] Stack: (0xc6b95e38 to 0xc6b96000) # [ 109.787565] 5e20: 0000001f c470d000 # [ 109.795777] 5e40: 0000000a c6b95f60 c6b95e64 c6b95e58 c138e7f0 c138e5ec c6b95e74 c6b95e68 # [ 109.803985] 5e60: c0c2f288 c138e7d8 c6b95e9c c6b95e78 c0c2f788 c0c2f268 c0c2f668 c5bddcc0 # [ 109.812195] 5e80: b6e41000 0000000a c5322600 c6b95f60 c6b95ec4 c6b95ea0 c07f6198 c0c2f674 # [ 109.820405] 5ea0: 00000000 c5bddcc0 b6e41000 c2816000 c6b95f60 c07f6134 c6b95f5c c6b95ec8 # [ 109.828614] 5ec0: c0598c20 c07f6140 00000001 00000000 c05991b4 c13a3e08 c05991b4 c6b94000 # [ 109.836822] 5ee0: b6e41000 00020000 00000004 0000000a 0001fff6 c6b95ee0 00000001 b6e40000 # [ 109.845029] 5f00: c5a98c80 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 109.853237] 5f20: 00000000 00000000 c13a3e08 d0ed47b4 c205cfa0 c5bddcc0 c5bddcc0 c6b94000 # [ 109.861445] 5f40: b6e41000 00000000 00000000 00000004 c6b95f94 c6b95f60 c05991b4 c0598b20 # [ 109.869652] 5f60: 00000000 00000000 c6b95fac d0ed47b4 0000000a 0000000a b6f88e00 00000004 # [ 109.877859] 5f80: c03002e4 c6b94000 c6b95fa4 c6b95f98 c0599244 c059914c 00000000 c6b95fa8 # [ 109.886067] 5fa0: c03000c0 c0599238 0000000a 0000000a 00000001 b6e41000 0000000a 00000000 # [ 109.894275] 5fc0: 0000000a 0000000a b6f88e00 00000004 00000001 00000000 00020000 bec32a54 # [ 109.902483] 5fe0: 00000004 bec32788 b6ef34cf b6e797e6 800e0030 00000001 00000000 00000000 # [ 109.910678] Backtrace: # [ 109.913177] [] (execute_location) from [] (lkdtm_EXEC_DATA+0x24/0x28) # [ 109.921386] r7:c6b95f60 r6:0000000a r5:c470d000 r4:0000001f # [ 109.927092] [] (lkdtm_EXEC_DATA) from [] (lkdtm_do_action+0x2c/0x4c) # [ 109.935222] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 109.943267] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 109.951215] r9:c6b95f60 r8:c5322600 r7:0000000a r6:b6e41000 r5:c5bddcc0 r4:c0c2f668 # [ 109.958998] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 109.966860] r9:c07f6134 r8:c6b95f60 r7:c2816000 r6:b6e41000 r5:c5bddcc0 r4:00000000 # [ 109.974638] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 109.981804] r10:00000004 r9:00000000 r8:00000000 r7:b6e41000 r6:c6b94000 r5:c5bddcc0 # [ 109.989657] r4:c5bddcc0 # [ 109.992227] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 109.[ 110.489815] lkdtm: Performing direct entry EXEC_STACK 999396] r9:c6b94000 r8:c03002e4 [ 110.496283] lkdtm: attempting ok execution at c0c2fff8 r7:00000004 r6:b6f88e00 r5:000000[ 110.504426] lkdtm: attempting bad execution at c6dc1e0c 0a r4:0000000a # [ 110.007178] [ 110.512463] 8<--- cut here --- [ 110.518340] Unable to handle kernel paging request at virtual address c6dc1e0c [ 110.525569] pgd = 1782ba5a [ 110.528281] [c6dc1e0c] *pgd=16c1141e(bad) [ 110.532311] Internal error: Oops: 8000000d [#4] SMP ARM [ 110.537542] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic parallel_display dw_hdmi_imx dw_hdmi snd_soc_sgtl5000 snd_soc_core imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imxdrm flexcan can_dev etnaviv gpu_sched imx_ipu_v3 [ 110.566576] CPU: 0 PID: 1865 Comm: cat Tainted: G D W 5.10.154-cip20 #1 [ 110.574322] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 110.580858] PC is at 0xc6dc1e0c [ 110.584014] LR is at execute_location+0xa4/0xb4 [ 110.588550] pc : [] lr : [] psr: 600e0013 [ 110.594823] sp : c6dc1de8 ip : 00000027 fp : c6dc1e04 [ 110.600051] r10: 0000000b r9 : c1ad0d40 r8 : c15e8634 [ 110.605281] r7 : c6dc1f60 r6 : 00000001 r5 : c6dc1e0c r4 : c0c2fff8 [ 110.611813] r3 : 6c07df6f r2 : 6c07df6f r1 : ef7815e4 r0 : 0000002b [ 110.618346] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 110.625485] Control: 10c5387d Table: 147e804a DAC: 00000051 [ 110.631236] Process cat (pid: 1865, stack limit = 0x13fef2f7) [ 110.636986] Stack: (0xc6dc1de8 to 0xc6dc2000) [ 110.641355] 1de0: c6dc0000 c6aba000 0000000b c6dc1f60 c6dc1e64 c6dc1e08 [ 110.649541] 1e00: c138e82c c138e5ec c6dc1e6c e1a0c00d e92dd800 e24cb004 e52de004 e8bd4000 [ 110.657726] 1e20: e89da800 e1a0c00d e92dd830 e24cb004 e52de004 e8bd4000 e3023374 e34c31b8 [ 110.665912] 1e40: e3a02040 e3a01d33 e5930018 6c07df6f 0000000b 00000020 c6dc1e74 c6dc1e68 [ 110.674097] 1e60: c0c2f288 c138e800 c6dc1e9c c6dc1e78 c0c2f788 c0c2f268 c0c2f668 c5bddcc0 [ 110.682282] 1e80: b6e1e000 0000000b c5322600 c6dc1f60 c6dc1ec4 c6dc1ea0 c07f6198 c0c2f674 [ 110.690469] 1ea0: 00000000 c5bddcc0 b6e1e000 c2816000 c6dc1f60 c07f6134 c6dc1f5c c6dc1ec8 [ 110.698654] 1ec0: c0598c20 c07f6140 00000001 00000000 c05991b4 c13a3e08 c05991b4 c6dc0000 [ 110.706839] 1ee0: b6e1e000 00020000 00000004 0000000b 0001fff5 c6dc1ee0 00000001 b6e1d000 [ 110.715024] 1f00: c69f9540 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 110.723212] 1f20: 00000000 00000000 c13a3e08 6c07df6f c205cfa0 c5bddcc0 c5bddcc0 c6dc0000 [ 110.731397] 1f40: b6e1e000 00000000 00000000 00000004 c6dc1f94 c6dc1f60 c05991b4 c0598b20 [ 110.739583] 1f60: 00000000 00000000 c6dc1fac 6c07df6f 0000000b 0000000b b6f65e00 00000004 [ 110.747768] 1f80: c03002e4 c6dc0000 c6dc1fa4 c6dc1f98 c0599244 c059914c 00000000 c6dc1fa8 [ 110.755954] 1fa0: c03000c0 c0599238 0000000b 0000000b 00000001 b6e1e000 0000000b 00000000 [ 110.764140] 1fc0: 0000000b 0000000b b6f65e00 00000004 00000001 00000000 00020000 beef0a54 [ 110.772324] 1fe0: 00000004 beef0788 b6ed04cf b6e567e6 800e0030 00000001 00000000 00000000 [ 110.780504] Backtrace: [ 110.782968] [] (execute_location) from [] (lkdtm_EXEC_STACK+0x38/0x54) [ 110.791241] r7:c6dc1f60 r6:0000000b r5:c6aba000 r4:c6dc0000 [ 110.796916] [] (lkdtm_EXEC_STACK) from [] (lkdtm_do_action+0x2c/0x4c) [ 110.805098] r4:00000020 [ 110.807643] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 110.815660] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 110.823584] r9:c6dc1f60 r8:c5322600 r7:0000000b r6:b6e1e000 r5:c5bddcc0 r4:c0c2f668 [ 110.831339] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 110.839177] r9:c07f6134 r8:c6dc1f60 r7:c2816000 r6:b6e1e000 r5:c5bddcc0 r4:00000000 [ 110.846929] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 110.854072] r10:00000004 r9:00000000 r8:00000000 r7:b6e1e000 r6:c6dc0000 r5:c5bddcc0 [ 110.861905] r4:c5bddcc0 [ 110.864449] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 110.871591] r9:c6dc0000 r8:c03002e4 r7:00000004 r6:b6f65e00 r5:0000000b r4:0000000b [ 110.879344] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 110.886917] Exception stack(0xc6dc1fa8 to 0xc6dc1ff0) [ 110.891975] 1fa0: 0000000b 0000000b 00000001 b6e1e000 0000000b 00000000 [ 110.900160] 1fc0: 0000000b 0000000b b6f65e00 00000004 00000001 00000000 00020000 beef0a54 [ 110.908342] 1fe0: 00000004 beef0788 b6ed04cf b6e567e6 [ 110.913402] Code: c6dc1e08 c138e82c c138e5ec c6dc1e6c (e1a0c00d) [ 110.919505] ---[ end trace b65577c8fbca896b ]--- [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 110.014771] Exception stack(0xc6b95fa8 to 0xc6b95ff0) # [ 110.019853] 5fa0: 0000000a 0000000a 00000001 b6e41000 0000000a 00000000 # [ 110.028063] 5fc0: 0000000a 0000000a b6f88e00 00000004 00000001 00000000 00020000 bec32a54 # [ 110.036266] 5fe0: 00000004 bec32788 b6ef34cf b6e797e6 # [ 110.041352] Code: 00000000 c2fb79c0 c2fb7a80 c2fb7b40 (e1a0c00d) # [ 110.047481] ---[ end trace b65577c8fbca896a ]--- # EXEC_DATA: missing 'call trace:': [FAIL] not ok 30 selftests: lkdtm: EXEC_DATA.sh # exit=1 # selftests: lkdtm: EXEC_STACK.sh # Segmentation fault # [ 110.489815] lkdtm: Performing direct entry EXEC_STACK # [ 110.496283] lkdtm: attempting ok execution at c0c2fff8 # [ 110.504426] lkdtm: attempting bad execution at c6dc1e0c # [ 110.512463] 8<--- cut here --- # [ 110.518340] Unable to handle kernel paging request at virtual address c6dc1e0c # [ 110.525569] pgd = 1782ba5a # [ 110.528281] [c6dc1e0c] *pgd=16c1141e(bad) # [ 110.532311] Internal error: Oops: 8000000d [#4] SMP ARM # [ 110.537542] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic parallel_display dw_hdmi_imx dw_hdmi snd_soc_sgtl5000 snd_soc_core imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imxdrm flexcan can_dev etnaviv gpu_sched imx_ipu_v3 # [ 110.566576] CPU: 0 PID: 1865 Comm: cat Tainted: G D W 5.10.154-cip20 #1 # [ 110.574322] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 110.580858] PC is at 0xc6dc1e0c # [ 110.584014] LR is at execute_location+0xa4/0xb4 # [ 110.588550] pc : [] lr : [] psr: 600e0013 # [ 110.594823] sp : c6dc1de8 ip : 00000027 fp : c6dc1e04 # [ 110.600051] r10: 0000000b r9 : c1ad0d40 r8 : c15e8634 # [ 110.605281] r7 : c6dc1f60 r6 : 00000001 r5 : c6dc1e0c r4 : c0c2fff8 # [ 110.611813] r3 : 6c07df6f r2 : 6c07df6f r1 : ef7815e4 r0 : 0000002b # [ 110.618346] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 110.625485] Control: 10c5387d Table: 147e804a DAC: 00000051 # [ 110.631236] Process cat (pid: 1865, stack limit = 0x13fef2f7) # [ 110.636986] Stack: (0xc6dc1de8 to 0xc6dc2000) # [ 110.641355] 1de0: c6dc0000 c6aba000 0000000b c6dc1f60 c6dc1e64 c6dc1e08 # [ 110.649541] 1e00: c138e82c c138e5ec c6dc1e6c e1a0c00d e92dd800 e24cb004 e52de004 e8bd4000 # [ 110.657726] 1e20: e89da800 e1a0c00d e92dd830 e24cb004 e52de004 e8bd4000 e3023374 e34c31b8 # [ 110.665912] 1e40: e3a02040 e3a01d33 e5930018 6c07df6f 0000000b 00000020 c6dc1e74 c6dc1e68 # [ 110.674097] 1e60: c0c2f288 c138e800 c6dc1e9c c6dc1e78 c0c2f788 c0c2f268 c0c2f668 c5bddcc0 # [ 110.682282] 1e80: b6e1e000 0000000b c5322600 c6dc1f60 c6dc1ec4 c6dc1ea0 c07f6198 c0c2f674 # [ 110.690469] 1ea0: 00000000 c5bddcc0 b6e1e000 c2816000 c6dc1f60 c07f6134 c6dc1f5c c6dc1ec8 # [ 110.698654] 1ec0: c0598c20 c07f6140 00000001 00000000 c05991b4 c13a3e08 c05991b4 c6dc0000 # [ 110.706839] 1ee0: b6e1e000 00020000 00000004 0000000b 0001fff5 c6dc1ee0 00000001 b6e1d000 # [ 110.715024] 1f00: c69f9540 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 110.723212] 1f20: 00000000 00000000 c13a3e08 6c07df6f c205cfa0 c5bddcc0 c5bddcc0 c6dc0000 # [ 110.731397] 1f40: b6e1e000 00000000 00000000 00000004 c6dc1f94 c6dc1f60 c05991b4 c0598b20 # [ 110.739583] 1f60: 00000000 00000000 c6dc1fac 6c07df6f 0000000b 0000000b b6f65e00 00000004 # [ 110.747768] 1f80: c03002e4 c6dc0000 c6dc1fa4 c6dc1f98 c0599244 c059914c 00000000 c6dc1fa8 # [ 110.755954] 1fa0: c03000c0 c0599238 0000000b 0000000b 00000001 b6e1e000 0000000b 00000000 # [ 110.764140] 1fc0: 0000000b 0000000b b6f65e00 00000004 00000001 00000000 00020000 beef0a54 # [ 110.772324] 1fe0: 00000004 beef0788 b6ed04cf b6e567e6 800e0030 00000001 00000000 00000000 # [ 110.780504] Backtrace: # [ 110.782968] [] (execute_location) from [] (lkdtm_EXEC_STACK+0x38/0x54) # [ 110.791241] r7:c6dc1f60 r6:0000000b r5:c6aba000 r4:c6dc0000 # [ 110.796916] [] (lkdtm_EXEC_STACK) from [] (lkdtm_do_action+0x2c/0x4c) # [ 110.805098] r4:00000020 # [ 110.807643] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 110.815660] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 110.823584] r9:c6dc1f60 r8:c5322600 r7:0000000b r6:b6e1e000 r5:c5bddcc0 r4:c0c2f668 # [ 110.831339] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 110.839177] r9:c07f6134 r8[ 111.371992] lkdtm: Performing direct entry EXEC_KMALLOC :c6dc1f60 r7:c2816000 r6:b6e1e000[ 111.377826] lkdtm: attempting ok execution at c0c2fff8 r5:c5bddcc0 r4:00000000 # [ 11[ 111.385697] lkdtm: attempting bad execution at c47919c0 0.846929] [] (vfs_write[ 111.393787] 8<--- cut here --- [ 111.399674] Unable to handle kernel paging request at virtual address c47919c0 [ 111.406921] pgd = a5731fa5 [ 111.409652] [c47919c0] *pgd=1461141e(bad) [ 111.413715] Internal error: Oops: 8000000d [#5] SMP ARM [ 111.418965] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic parallel_display dw_hdmi_imx dw_hdmi snd_soc_sgtl5000 snd_soc_core imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imxdrm flexcan can_dev etnaviv gpu_sched imx_ipu_v3 [ 111.448249] CPU: 0 PID: 1944 Comm: cat Tainted: G D W 5.10.154-cip20 #1 [ 111.456012] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 111.462567] PC is at 0xc47919c0 [ 111.465746] LR is at execute_location+0xa4/0xb4 [ 111.470301] pc : [] lr : [] psr: 600e0013 [ 111.476589] sp : c47ede30 ip : 00000027 fp : c47ede4c [ 111.481835] r10: 0000000d r9 : c1ad0d4c r8 : c15e8634 [ 111.487081] r7 : c47edf60 r6 : 00000001 r5 : c47919c0 r4 : c0c2fff8 [ 111.493631] r3 : eae8ff3a r2 : eae8ff3a r1 : ef7815e4 r0 : 0000002b [ 111.500183] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 111.507344] Control: 10c5387d Table: 16fdc04a DAC: 00000051 [ 111.513113] Process cat (pid: 1944, stack limit = 0xebbd53ca) [ 111.518882] Stack: (0xc47ede30 to 0xc47ee000) [ 111.523269] de20: c47919c0 c6aba000 0000000d c47edf60 [ 111.531480] de40: c47ede64 c47ede50 c0c30048 c138e5ec 00000021 c6aba000 c47ede74 c47ede68 [ 111.539690] de60: c0c2f288 c0c3001c c47ede9c c47ede78 c0c2f788 c0c2f268 c0c2f668 c69f9900 [ 111.547900] de80: b6dba000 0000000d c5322600 c47edf60 c47edec4 c47edea0 c07f6198 c0c2f674 [ 111.556107] dea0: 00000000 c69f9900 b6dba000 c2816000 c47edf60 c07f6134 c47edf5c c47edec8 [ 111.564317] dec0: c0598c20 c07f6140 00000001 00000000 c05991b4 c13a3e08 c05991b4 c47ec000 [ 111.572527] dee0: b6dba000 00020000 00000004 0000000d 0001fff3 c47edee0 00000001 b6db9000 [ 111.580734] df00: c5bdde00 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 111.588942] df20: 00000000 00000000 c13a3e08 eae8ff3a c205cfa0 c69f9900 c69f9900 c47ec000 [ 111.597149] df40: b6dba000 00000000 00000000 00000004 c47edf94 c47edf60 c05991b4 c0598b20 [ 111.605357] df60: 00000000 00000000 c47edfac eae8ff3a 0000000d 0000000d b6f01e00 00000004 [ 111.613565] df80: c03002e4 c47ec000 c47edfa4 c47edf98 c0599244 c059914c 00000000 c47edfa8 [ 111.621774] dfa0: c03000c0 c0599238 0000000d 0000000d 00000001 b6dba000 0000000d 00000000 [ 111.629983] dfc0: 0000000d 0000000d b6f01e00 00000004 00000001 00000000 00020000 beba2a54 [ 111.638190] dfe0: 00000004 beba2788 b6e6c4cf b6df27e6 800e0030 00000001 00000000 00000000 [ 111.646384] Backtrace: [ 111.648885] [] (execute_location) from [] (lkdtm_EXEC_KMALLOC+0x38/0x44) [ 111.657355] r7:c47edf60 r6:0000000d r5:c6aba000 r4:c47919c0 [ 111.663057] [] (lkdtm_EXEC_KMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) [ 111.671431] r5:c6aba000 r4:00000021 [ 111.675045] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 111.683092] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 111.691040] r9:c47edf60 r8:c5322600 r7:0000000d r6:b6dba000 r5:c69f9900 r4:c0c2f668 [ 111.698823] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 111.706684] r9:c07f6134 r8:c47edf60 r7:c2816000 r6:b6dba000 r5:c69f9900 r4:00000000 [ 111.714460] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 111.721625] r10:00000004 r9:00000000 r8:00000000 r7:b6dba000 r6:c47ec000 r5:c69f9900 [ 111.729473] r4:c69f9900 [ 111.732043] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 111.739211] r9:c47ec000 r8:c03002e4 r7:00000004 r6:b6f01e00 r5:0000000d r4:0000000d [ 111.746998] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 111.754590] Exception stack(0xc47edfa8 to 0xc47edff0) [ 111.759672] dfa0: 0000000d 0000000d 00000001 b6dba000 0000000d 00000000 [ 111.767882] dfc0: 0000000d 0000000d b6f01e00 00000004 00000001 00000000 00020000 beba2a54 [ 111.776084] dfe0: 00000004 beba2788 b6e6c4cf b6df27e6 [ 111.781171] Code: 00160017 000005a8 00001ac4 00000000 (e1a0c00d) [ 111.787297] ---[ end trace b65577c8fbca896c ]--- ) from [] (ksys_write+0x74/0xec) # [ 110.854072] r10:00000004 r9:00000000 r8:00000000 r7:b6e1e000 r6:c6dc0000 r5:c5bddcc0 # [ 110.861905] r4:c5bddcc0 # [ 110.864449] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 110.871591] r9:c6dc0000 r8:c03002e4 r7:00000004 r6:b6f65e00 r5:0000000b r4:0000000b # [ 110.879344] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 110.886917] Exception stack(0xc6dc1fa8 to 0xc6dc1ff0) # [ 110.891975] 1fa0: 0000000b 0000000b 00000001 b6e1e000 0000000b 00000000 # [ 110.900160] 1fc0: 0000000b 0000000b b6f65e00 00000004 00000001 00000000 00020000 beef0a54 # [ 110.908342] 1fe0: 00000004 beef0788 b6ed04cf b6e567e6 # [ 110.913402] Code: c6dc1e08 c138e82c c138e5ec c6dc1e6c (e1a0c00d) # [ 110.919505] ---[ end trace b65577c8fbca896b ]--- # EXEC_STACK: missing 'call trace:': [FAIL] not ok 31 selftests: lkdtm: EXEC_STACK.sh # exit=1 # selftests: lkdtm: EXEC_KMALLOC.sh # Segmentation fault # [ 111.371992] lkdtm: Performing direct entry EXEC_KMALLOC # [ 111.377826] lkdtm: attempting ok execution at c0c2fff8 # [ 111.385697] lkdtm: attempting bad execution at c47919c0 # [ 111.393787] 8<--- cut here --- # [ 111.399674] Unable to handle kernel paging request at virtual address c47919c0 # [ 111.406921] pgd = a5731fa5 # [ 111.409652] [c47919c0] *pgd=1461141e(bad) # [ 111.413715] Internal error: Oops: 8000000d [#5] SMP ARM # [ 111.418965] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic parallel_display dw_hdmi_imx dw_hdmi snd_soc_sgtl5000 snd_soc_core imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imxdrm flexcan can_dev etnaviv gpu_sched imx_ipu_v3 # [ 111.448249] CPU: 0 PID: 1944 Comm: cat Tainted: G D W 5.10.154-cip20 #1 # [ 111.456012] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 111.462567] PC is at 0xc47919c0 # [ 111.465746] LR is at execute_location+0xa4/0xb4 # [ 111.470301] pc : [] lr : [] psr: 600e0013 # [ 111.476589] sp : c47ede30 ip : 00000027 fp : c47ede4c # [ 111.481835] r10: 0000000d r9 : c1ad0d4c r8 : c15e8634 # [ 111.487081] r7 : c47edf60 r6 : 00000001 r5 : c47919c0 r4 : c0c2fff8 # [ 111.493631] r3 : eae8ff3a r2 : eae8ff3a r1 : ef7815e4 r0 : 0000002b # [ 111.500183] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 111.507344] Control: 10c5387d Table: 16fdc04a DAC: 00000051 # [ 111.513113] Process cat (pid: 1944, stack limit = 0xebbd53ca) # [ 111.518882] Stack: (0xc47ede30 to 0xc47ee000) # [ 111.523269] de20: c47919c0 c6aba000 0000000d c47edf60 # [ 111.531480] de40: c47ede64 c47ede50 c0c30048 c138e5ec 00000021 c6aba000 c47ede74 c47ede68 # [ 111.539690] de60: c0c2f288 c0c3001c c47ede9c c47ede78 c0c2f788 c0c2f268 c0c2f668 c69f9900 # [ 111.547900] de80: b6dba000 0000000d c5322600 c47edf60 c47edec4 c47edea0 c07f6198 c0c2f674 # [ 111.556107] dea0: 00000000 c69f9900 b6dba000 c2816000 c47edf60 c07f6134 c47edf5c c47edec8 # [ 111.564317] dec0: c0598c20 c07f6140 00000001 00000000 c05991b4 c13a3e08 c05991b4 c47ec000 # [ 111.572527] dee0: b6dba000 00020000 00000004 0000000d 0001fff3 c47edee0 00000001 b6db9000 # [ 111.580734] df00: c5bdde00 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 111.588942] df20: 00000000 00000000 c13a3e08 eae8ff3a c205cfa0 c69f9900 c69f9900 c47ec000 # [ 111.597149] df40: b6dba000 00000000 00000000 00000004 c47edf94 c47edf60 c05991b4 c0598b20 # [ 111.605357] df60: 00000000 00000000 c47edfac eae8ff3a 0000000d 0000000d b6f01e00 00000004 # [ 111.613565] df80: c03002e4 c47ec000 c47edfa4 c47edf98 c0599244 c059914c 00000000 c47edfa8 # [ 111.621774] dfa0: c03000c0 c0599238 0000000d 0000000d 00000001 b6dba000 0000000d 00000000 # [ 111.629983] dfc0: 0000000d 0000000d b6f01e00 00000004 00000001 00000000 00020000 beba2a54 # [ 111.638190] dfe0: 00000004 beba2788 b6e6c4cf b6df27e6 800e0030 00000001 00000000 00000000 # [ 111.646384] Backtrace: # [ 111.648885] [] (execute_location) from [] (lkdtm_EXEC_KMALLOC+0x38/0x44) # [ 111.657355] r7:c47edf60 r6:0000000d r5:c6aba000 r4:c47919c0 # [ 111.663057] [] (lkdtm_EXEC_KMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) # [ 111.671431] r5:c6aba000 r4:00000021 # [ 111.675045] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 111.683092] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 111.691040] r9:c47edf60 r8:c5322600 r7:0000000d r6:b6dba000 r5:c69f9900 r4:c0c2f668 # [ 111.698823] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 111.706684] r9:c07f6134 r8:c47edf60 r7:c2816000 r6:b6dba000 r5:c69f9900 r4:00000000 # [ 111.714460] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 111.721625] r10:00000004 r9:00000000 r8:00000000 r7:b6dba000 r6:c47ec000 r5:c69f9900 # [ 111.729473] r4:c69f9900 # [ 111.[ 112.236200] lkdtm: Performing direct entry EXEC_VMALLOC 732043] [] (ksys_write)[ 112.244310] lkdtm: attempting ok execution at c0c2fff8 from [] (sys_writ[e + 112.252176] lkdtm: attempting bad execution at f096c000 x18/0x1c) # [ 111.739211] r9:c[ 112.260185] 8<--- cut here --- 47ec000 r8:c03002e4 r7:00000004 r[ 112.266066] Unable to handle kernel paging request at virtual address f096c000 6:b6f01e00 r5:0000000d r4:0000000[ 112.276056] pgd = b9cfa9ee d # [ 111.746998] [] [ 112.281608] [f096c000] *pgd=1294b811, *pte=4b82065f, *ppte=4b82045f (sys_write) from [] (re[ 112.290761] Internal error: Oops: 8000000f [#6] SMP ARM t_fast_syscall+0x0/0x28) # [ 11[ 112.298812] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic parallel_display dw_hdmi_imx dw_hdmi snd_soc_sgtl5000 snd_soc_core imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imxdrm flexcan can_dev etnaviv gpu_sched imx_ipu_v3 1.754590] Excepti[o n 1s1t2a.c3k0527] CPU: 2 PID: 2021 Comm: cat Tainted: G D W 5.10.154-cip20 #1 (0xc47edf[a 8 1t1o2 .03x4c04374e] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) dff0) # [ 111[. 7 5191627.23]4 616] PC is at 0xf096c000 dfa0: [ 0 01010.353757] LR is at execute_location+0xa4/0xb4 000d 00000[0 0 d1 1020.03060006022] pc : [] lr : [] psr: 600e0013 b6dba00[0 0101020.030608d7 101] sp : c6fffe30 ip : c6fffd38 fp : c6fffe4c 000000 [# [1 1 21.13715.676697 r10: 0000000d r9 : c1ad0d5c r8 : c15e8634 882] dfc0: [0 0 0101020.03d8 20503] r7 : c6ffff60 r6 : 00000001 r5 : f096c000 r4 : c0c2fff8 00000d [b 6 f10112e.0309 00809000 r3 : e02af640 r2 : e02af640 r1 : ef7ab5e0 r0 : 0000002b 0004 00000001[ 0 010120.0309090068] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none 00020000 be[b a 21a1524. 4 0#8 1[9] Control: 10c5387d Table: 16fd804a DAC: 00000051 111.776084[] d1f1e20.:4 1050677] Process cat (pid: 2021, stack limit = 0xe86b466a) 00004 beba2[7 8 181 2b.64e263c3432] Stack: (0xc6fffe30 to 0xc7000000) f b6df27e6 # [[ 111112..74829512] fe20: f096c000 c6ed2000 0000000d c6ffff60 171] Code: 0016[0 0 1171 20.04030685] fe40: c6fffe64 c6fffe50 c0c3007c c138e5ec 00000022 c6ed2000 c6fffe74 c6fffe68 05a8 00001ac4 0[0 0 0101020.04 4(857] fe60: c0c2f288 c0c30060 c6fffe9c c6fffe78 c0c2f788 c0c2f268 c0c2f668 c5bdd540 e1a0c00d) # [ [1 1 11.1728.7420029] fe80: b6e06000 0000000d c5322600 c6ffff60 c6fffec4 c6fffea0 c07f6198 c0c2f674 97] ---[ end tr[a c e1 1b26.54750286] fea0: 00000000 c5bdd540 b6e06000 c2816000 c6ffff60 c07f6134 c6ffff5c c6fffec8 7c8fbca896c ]--- [ # 1E1X2E.C4_0459] fec0: c0598c20 c07f6140 00000001 00000000 c05991b4 c13a3e08 c05991b4 c6ffe000 KMALLOC: missin[g '1c1a2l.l4 9t716] fee0: b6e06000 00020000 00000004 0000000d 0001fff3 c6fffee0 00000001 b6e05000 race:': [FAIL] [ n o1t1 2o.k5 03888] ff00: c5b268c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 2 selftests: lk[d t m1:1 2E.5X1E1059] ff20: 00000000 00000000 c13a3e08 e02af640 c205cfa0 c5bdd540 c5bdd540 c6ffe000 _KMALLOC.sh # e[x i t1=112 . 5#2 230] ff40: b6e06000 00000000 00000000 00000004 c6ffff94 c6ffff60 c05991b4 c0598b20 selftests: lkdtm[: E1X1E2C._5V31403] ff60: 00000000 00000000 c6ffffac e02af640 0000000d 0000000d b6f4de00 00000004 ALLOC.sh [ 112.541660] ff80: c03002e4 c6ffe000 c6ffffa4 c6ffff98 c0599244 c059914c 00000000 c6ffffa8 [ 112.550704] ffa0: c03000c0 c0599238 0000000d 0000000d 00000001 b6e06000 0000000d 00000000 [ 112.558889] ffc0: 0000000d 0000000d b6f4de00 00000004 00000001 00000000 00020000 beebca54 [ 112.567073] ffe0: 00000004 beebc788 b6eb84cf b6e3e7e6 800e0030 00000001 00000000 00000000 [ 112.575253] Backtrace: [ 112.577721] [] (execute_location) from [] (lkdtm_EXEC_VMALLOC+0x28/0x34) [ 112.586168] r7:c6ffff60 r6:0000000d r5:c6ed2000 r4:f096c000 [ 112.591844] [] (lkdtm_EXEC_VMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) [ 112.600199] r5:c6ed2000 r4:00000022 [ 112.603787] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 112.611805] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 112.619730] r9:c6ffff60 r8:c5322600 r7:0000000d r6:b6e06000 r5:c5bdd540 r4:c0c2f668 [ 112.627486] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 112.635324] r9:c07f6134 r8:c6ffff60 r7:c2816000 r6:b6e06000 r5:c5bdd540 r4:00000000 [ 112.643076] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 112.650222] r10:00000004 r9:00000000 r8:00000000 r7:b6e06000 r6:c6ffe000 r5:c5bdd540 [ 112.658054] r4:c5bdd540 [ 112.660596] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 112.667740] r9:c6ffe000 r8:c03002e4 r7:00000004 r6:b6f4de00 r5:0000000d r4:0000000d [ 112.675494] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 112.683068] Exception stack(0xc6ffffa8 to 0xc6fffff0) [ 112.688127] ffa0: 0000000d 0000000d 00000001 b6e06000 0000000d 00000000 [ 112.696314] ffc0: 0000000d 0000000d b6f4de00 00000004 00000001 00000000 00020000 beebca54 [ 112.704497] ffe0: 00000004 beebc788 b6eb84cf b6e3e7e6 [ 112.709561] Code: bad PC value [ 112.712699] ---[ end trace b65577c8fbca896d ]--- # Segmentation fault # [ 112.236200] lkdtm: Performing direct entry EXEC_VMALLOC # [ 112.244310] lkdtm: attempting ok execution at c0c2fff8 # [ 112.252176] lkdtm: attempting bad execution at f096c000 # [ 112.260185] 8<--- cut here --- # [ 112.266066] Unable to handle kernel paging request at virtual address f096c000 # [ 112.276056] pgd = b9cfa9ee # [ 112.281608] [f096c000] *pgd=1294b811, *pte=4b82065f, *ppte=4b82045f # [ 112.290761] Internal error: Oops: 8000000f [#6] SMP ARM # [ 112.298812] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic parallel_display dw_hdmi_imx dw_hdmi snd_soc_sgtl5000 snd_soc_core imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imxdrm flexcan can_dev etnaviv gpu_sched imx_ipu_v3 # [ 112.330527] CPU: 2 PID: 2021 Comm: cat Tainted: G D W 5.10.154-cip20 #1 # [ 112.340348] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 112.348616] PC is at 0xf096c000 # [ 112.353757] LR is at execute_location+0xa4/0xb4 # [ 112.360622] pc : [] lr : [] psr: 600e0013 # [ 112.368711] sp : c6fffe30 ip : c6fffd38 fp : c6fffe4c # [ 112.375669] r10: 0000000d r9 : c1ad0d5c r8 : c15e8634 # [ 112.382543] r7 : c6ffff60 r6 : 00000001 r5 : f096c000 r4 : c0c2fff8 # [ 112.390890] r3 : e02af640 r2 : e02af640 r1 : ef7ab5e0 r0 : 0000002b # [ 112.399068] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 112.408109] Control: 10c5387d Table: 16fd804a DAC: 00000051 # [ 112.415677] Process cat (pid: 2021, stack limit = 0xe86b466a) # [ 112.423332] Stack: (0xc6fffe30 to 0xc7000000) # [ 112.429512] fe20: f096c000 c6ed2000 0000000d c6ffff60 # [ 112.439685] fe40: c6fffe64 c6fffe50 c0c3007c c138e5ec 00000022 c6ed2000 c6fffe74 c6fffe68 # [ 112.449857] fe60: c0c2f288 c0c30060 c6fffe9c c6fffe78 c0c2f788 c0c2f268 c0c2f668 c5bdd540 # [ 112.460029] fe80: b6e06000 0000000d c5322600 c6ffff60 c6fffec4 c6fffea0 c07f6198 c0c2f674 # [ 112.470286] fea0: 00000000 c5bdd540 b6e06000 c2816000 c6ffff60 c07f6134 c6ffff5c c6fffec8 # [ 112.480459] fec0: c0598c20 c07f6140 00000001 00000000 c05991b4 c13a3e08 c05991b4 c6ffe000 # [ 112.490716] fee0: b6e06000 00020000 00000004 0000000d 0001fff3 c6fffee0 00000001 b6e05000 # [ 112.500888] ff00: c5b268c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 112.511059] ff20: 00000000 00000000 c13a3e08 e02af640 c205cfa0 c5bdd540 c5bdd540 c6ffe000 # [ 112.521230] ff40: b6e06000 00000000 00000000 00000004 c6ffff94 c6ffff60 c05991b4 c0598b20 # [ 112.531403] ff60: 00000000 00000000 c6ffffac e02af640 0000000d 0000000d b6f4de00 00000004 # [ 112.541660] ff80: c03002e4 c6ffe000 c6ffffa4 c6ffff98 c0599244 c059914c 00000000 c6ffffa8 # [ 112.550704] ffa0: c03000c0 c0599238 0000000d 0000000d 00000001 b6e06000 0000000d 00000000 # [ 112.558889] ffc0: 0000000d 0000000d b6f4de00 00000004 00000001 00000000 00020000 beebca54 # [ 112.567073] ffe0: 00000004 beebc788 b6eb84cf b6e3e7e6 800e0030 00000001 00000000 00000000 # [ 112.575253] Backtrace: # [ 112.577721] [] (execute_location) from [] (lkdtm_EXEC_VMALLOC+0x28/0x34) # [ 112.586168] r7:c6ffff60 r6:0000000d r5:c6ed2000 r4:f096c000 # [ 112.591844] [] (lkdtm_EXEC_VMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) # [ 112.600199] r5:c6ed2000 r4:00000022 # [ 112.603787] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 112.611805] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 112.619730] r9:c6ffff60 r8:c5322600 r7:0000000d r6:b6e06000 r5:c5bdd540 r4:c0c2f668 # [ 112.627486] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 112.635324] r9:c07f6134 r8:c6ffff60 r7:c2816000 r6:b6e06000 r5:c5bdd540 r4:00000000 # [ 112.643076] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 112.650222] r10:00000004 r9:00000000 r8:00000000 r7:b6e06000 r6:[ 113.172772] lkdtm: Performing direct entry EXEC_RODATA c6ffe000 r5:c5bdd540 # [ 112.65[ 113.179512] lkdtm: attempting ok execution at c0c2fff8 8054] r4:c5bdd540 # [ 112.6605[ 113.187547] lkdtm: attempting bad execution at c15e88d0 96] [] (ksys_write) fro[ 113.195584] 8<--- cut here --- m [] (sys[_ w r1i1t3e.+01459] Unable to handle kernel paging request at virtual address c15e88d0 0x18/0x1c) # [ 1[1 2 .161637.7210858] pgd = 3171a0ed 0] r9:c6ffe000 r8:c03002e4 r7:00[ 113.215743] [c15e88d0] *pgd=1141941e(bad) 000004 r6:b6f4de00 r5:0000000d [r 113.222634] Internal error: Oops: 8000000d [#7] SMP ARM 4:0000000d # [ 112.675494] [] (sys_write) from [] (ret_fast_[s y s1c1a3l.l2+2695] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 0x0/0x28) # [ 112.683068] Excep[ 113.281330] PC is at lkdtm_rodata_do_nothing+0x0/0x10 tion stack(0xc6ffffa8 to 0xc[6 f 113.289250] LR is at execute_location+0xa4/0xb4 fff0) # [ 112.688[1 2 71]1 3f.f96382] pc : [] lr : [] psr: 600e0013 a0: [ 1 1 30.0304825] sp : c6effe38 ip : c6effd40 fp : c6effe54 0000d 0000000d 0000[0 0 0111 3b.612140] r10: 0000000c r9 : c1ad0d6c r8 : c15e8634 e06000 0000000d[ 0 0101030.03019539] r7 : c6efff60 r6 : 00000000 r5 : c15e88d0 r4 : c0c2fff8 # [ 112.69631[4 ] 1f1f3c.03:28073] r3 : 7312af58 r2 : 7312af58 r1 : ef7c05e0 r0 : 0000002b 0000000d 0000000[d b161f34.d3e36692] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none 0 00000004 0000000[1 0101030.0345920] Control: 10c5387d Table: 1581c04a DAC: 00000051 00 00020000 beebca54[ #1 1[3 .353844] Process cat (pid: 2098, stack limit = 0x6a2f2328) 112.704497] ffe0: 000[0 0 010143 361856] Stack: (0xc6effe38 to 0xc6f00000) beebc788 b6eb84cf b6e3e[7 e 61 1 .368479] fe20: 00000023 c6c88000 # [ 112.709561] Code: bad PC val 113.379016] fe40: 0000000c c6efff60 c6effe64 c6effe58 c138e86c c138e5ec c6effe74 c6effe68 ue # [ 112.712699] ---[ en[d 113.389974] fe60: c0c2f288 c138e854 c6effe9c c6effe78 c0c2f788 c0c2f268 c0c2f668 c59a03c0 race b65577c8fbca896d ]--- # [E 113.400763] fe80: b6e63000 0000000c c5322600 c6efff60 c6effec4 c6effea0 c07f6198 c0c2f674 EC_VMALLOC: missing 'call trac[e 113.411637] fea0: 00000000 c59a03c0 b6e63000 c2816000 c6efff60 c07f6134 c6efff5c c6effec8 ': [FAIL] not ok 33 selftests[: 113.422511] fec0: c0598c20 c07f6140 00000001 00000000 c05991b4 c13a3e08 c05991b4 c6efe000 lkdtm: EXEC_VMALLOC.sh # exit[= 1113.433385] fee0: b6e63000 00020000 00000004 0000000c 0001fff4 c6effee0 00000001 b6e62000 # selftests: lkdtm: EXEC_RO[D A113.444173] ff00: c6a2dcc0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 TA.sh [ 113.454961] ff20: 00000000 00000000 c13a3e08 7312af58 c205cfa0 c59a03c0 c59a03c0 c6efe000 [ 113.463752] ff40: b6e63000 00000000 00000000 00000004 c6efff94 c6efff60 c05991b4 c0598b20 [ 113.471960] ff60: 00000000 00000000 c6efffac 7312af58 0000000c 0000000c b6faae00 00000004 [ 113.480168] ff80: c03002e4 c6efe000 c6efffa4 c6efff98 c0599244 c059914c 00000000 c6efffa8 [ 113.488377] ffa0: c03000c0 c0599238 0000000c 0000000c 00000001 b6e63000 0000000c 00000000 [ 113.496586] ffc0: 0000000c 0000000c b6faae00 00000004 00000001 00000000 00020000 bea0ca54 [ 113.504793] ffe0: 00000004 bea0c788 b6f154cf b6e9b7e6 800e0030 00000001 00000000 00000000 [ 113.512988] Backtrace: [ 113.515488] [] (execute_location) from [] (lkdtm_EXEC_RODATA+0x24/0x28) [ 113.523871] r7:c6efff60 r6:0000000c r5:c6c88000 r4:00000023 [ 113.529579] [] (lkdtm_EXEC_RODATA) from [] (lkdtm_do_action+0x2c/0x4c) [ 113.537886] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 113.545932] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 113.553885] r9:c6efff60 r8:c5322600 r7:0000000c r6:b6e63000 r5:c59a03c0 r4:c0c2f668 [ 113.561668] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 113.569531] r9:c07f6134 r8:c6efff60 r7:c2816000 r6:b6e63000 r5:c59a03c0 r4:00000000 [ 113.577307] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 113.584473] r10:00000004 r9:00000000 r8:00000000 r7:b6e63000 r6:c6efe000 r5:c59a03c0 [ 113.592322] r4:c59a03c0 [ 113.594889] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 113.602055] r9:c6efe000 r8:c03002e4 r7:00000004 r6:b6faae00 r5:0000000c r4:0000000c [ 113.609837] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 113.617427] Exception stack(0xc6efffa8 to 0xc6effff0) [ 113.622509] ffa0: 0000000c 0000000c 00000001 b6e63000 0000000c 00000000 [ 113.630719] ffc0: 0000000c 0000000c b6faae00 00000004 00000001 00000000 00020000 bea0ca54 [ 113.638921] ffe0: 00000004 bea0c788 b6f154cf b6e9b7e6 [ 113.644004] Code: 5f727563 6e756f63 00000074 aa55aa55 (e1a0c00d) [ 113.650134] ---[ end trace b65577c8fbca896e ]--- # Segmentation fault # [ 113.172772] lkdtm: Performing direct entry EXEC_RODATA # [ 113.179512] lkdtm: attempting ok execution at c0c2fff8 # [ 113.187547] lkdtm: attempting bad execution at c15e88d0 # [ 113.195584] 8<--- cut here --- # [ 113.201459] Unable to handle kernel paging request at virtual address c15e88d0 # [ 113.210858] pgd = 3171a0ed # [ 113.215743] [c15e88d0] *pgd=1141941e(bad) # [ 113.222634] Internal error: Oops: 8000000d [#7] SMP ARM # [ 113.230547] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic parallel_display dw_hdmi_imx dw_hdmi snd_soc_sgtl5000 snd_soc_core imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imxdrm flexcan can_dev etnaviv gpu_sched imx_ipu_v3 # [ 113.262268] CPU: 3 PID: 2098 Comm: cat Tainted: G D W 5.10.154-cip20 #1 # [ 113.272695] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 113.281330] PC is at lkdtm_rodata_do_nothing+0x0/0x10 # [ 113.289250] LR is at execute_location+0xa4/0xb4 # [ 113.296382] pc : [] lr : [] psr: 600e0013 # [ 113.304825] sp : c6effe38 ip : c6effd40 fp : c6effe54 # [ 113.312140] r10: 0000000c r9 : c1ad0d6c r8 : c15e8634 # [ 113.319539] r7 : c6efff60 r6 : 00000000 r5 : c15e88d0 r4 : c0c2fff8 # [ 113.328073] r3 : 7312af58 r2 : 7312af58 r1 : ef7c05e0 r0 : 0000002b # [ 113.336692] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 113.345920] Control: 10c5387d Table: 1581c04a DAC: 00000051 # [ 113.353844] Process cat (pid: 2098, stack limit = 0x6a2f2328) # [ 113.361856] Stack: (0xc6effe38 to 0xc6f00000) # [ 113.368479] fe20: 00000023 c6c88000 # [ 113.379016] fe40: 0000000c c6efff60 c6effe64 c6effe58 c138e86c c138e5ec c6effe74 c6effe68 # [ 113.389974] fe60: c0c2f288 c138e854 c6effe9c c6effe78 c0c2f788 c0c2f268 c0c2f668 c59a03c0 # [ 113.400763] fe80: b6e63000 0000000c c5322600 c6efff60 c6effec4 c6effea0 c07f6198 c0c2f674 # [ 113.411637] fea0: 00000000 c59a03c0 b6e63000 c2816000 c6efff60 c07f6134 c6efff5c c6effec8 # [ 113.422511] fec0: c0598c20 c07f6140 00000001 00000000 c05991b4 c13a3e08 c05991b4 c6efe000 # [ 113.433385] fee0: b6e63000 00020000 00000004 0000000c 0001fff4 c6effee0 00000001 b6e62000 # [ 113.444173] ff00: c6a2dcc0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 113.454961] ff20: 00000000 00000000 c13a3e08 7312af58 c205cfa0 c59a03c0 c59a03c0 c6efe000 # [ 113.463752] ff40: b6e63000 00000000 00000000 00000004 c6efff94 c6efff60 c05991b4 c0598b20 # [ 113.471960] ff60: 00000000 00000000 c6efffac 7312af58 0000000c 0000000c b6faae00 00000004 # [ 113.480168] ff80: c03002e4 c6efe000 c6efffa4 c6efff98 c0599244 c059914c 00000000 c6efffa8 # [ 113.488377] ffa0: c03000c0 c0599238 0000000c 0000000c 00000001 b6e63000 0000000c 00000000 # [ 113.496586] ffc0: 0000000c 0000000c b6faae00 00000004 00000001 00000000 00020000 bea0ca54 # [ 113.504793] ffe0: 00000004 bea0c788 b6f154cf b6e9b7e6 800e0030 00000001 00000000 00000000 # [ 113.512988] Backtrace: # [ 113.515488] [] (execute_location) from [] (lkdtm_EXEC_RODATA+0x24/0x28) # [ 113.523871] r7:c6efff60 r6:0000000c r5:c6c88000 r4:00000023 # [ 113.529579] [] (lkdtm_EXEC_RODATA) from [] (lkdtm_do_action+0x2c/0x4c) # [ 113.537886] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 113.545932] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 113.553885] r9:c6efff60 r8:c5322600 r7:0000000c r6:b6e63000 r5:c59a03c0 r4:c0c2f668 # [ 113.561668] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 113.569531] r9:c07f6134 r8:c6efff60 r7:c2816000 r6:b6e63000 r5:c59a03c0 r4:00000000 # [ 113.577307] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 113.584473] r10:00000004 r9:0[ 114.129409] lkdtm: Performing direct entry EXEC_USERSPACE 0000000 r8:00000000 r7:b6e63000 r[ 114.136552] lkdtm: attempting ok execution at c0c2fff8 6:c6efe000 r5:c59a03c0 # [ 113.[ 114.144816] lkdtm: attempting bad execution at b6f80000 592322] r4:c59a03c0 # [ 113.59[ 114.152567] Unhandled prefetch abort: page domain fault (0x00b) at 0xb6f80000 4889] [ ] 1(1k4s.y1s62549] Internal error: : b [#8] SMP ARM write) from [] (sys_wri[ 114.168898] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic parallel_display dw_hdmi_imx dw_hdmi snd_soc_sgtl5000 snd_soc_core imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imxdrm flexcan can_dev etnaviv gpu_sched imx_ipu_v3 te+0x18/0x1c) # [[ 111143..260601] CPU: 2 PID: 2174 Comm: cat Tainted: G D W 5.10.154-cip20 #1 02055] r9:[c 6 e1f14e.020100 4r22] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) :c03002e4 r7:00[0 0 0101044. 2r16774] PC is at 0xb6f80000 :b6faae00 r5:00000[0 0 c1 1r44.:223912] LR is at lkdtm_EXEC_USERSPACE+0xc4/0xd4 000000c [ # 1[1 4 .121330.96503] pc : [] lr : [] psr: 600e0013 837] [3]8 95(4s sp : c581be48 ip : 00000027 fp : c581be64 ys_writ[e ) 1f1r4o.m2 4[5<8c2063 r10: 0000000f r9 : c1ad0d78 r8 : c15e8634 000c0>] ([r e1t1_4f.a2s5t2_7s0y1] r7 : c581bf60 r6 : 0000000f r5 : c6ed2000 r4 : b6f80000 call+0x0/0[x 2 81)1 4 .#2 6[0 9 62] r3 : 1e4a8b70 r2 : 1e4a8b70 r1 : ef7ab5e4 r0 : 0000002b 13.617427] [E x c1e1p4t.i2o6n9 3s1] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none tack(0xc[6 e1f1f4f.a287 8t2o6 60 Control: 10c5387d Table: 16efc04a DAC: 00000051 xc6effff0) [# [1 1 41.1238.5662] Process cat (pid: 2174, stack limit = 0x02a532e2) 22509] f[f a 01:1 4 . 2 9 3 2 2 7] Stack: (0xc581be48 to 0xc581c000) 000000[0 c 101040.02099324] be40: 00000001 00000000 0000000f 00000024 c581be74 c581be68 0c 00000001 b6[e 6 311040.03 009081] be60: c0c2f288 c0c30094 c581be9c c581be78 c0c2f788 c0c2f268 c0c2f668 c6ba3b80 00000c 00000000 [# [1 1 41.1339666] be80: b6e3a000 0000000f c5322600 c581bf60 c581bec4 c581bea0 c07f6198 c0c2f674 .630719] ffc0:[ 0 0101040.0302c9924] bea0: 00000000 c6ba3b80 b6e3a000 c2816000 c581bf60 c07f6134 c581bf5c c581bec8 0000000c b6faa[e 0 01 1040.030400094] bec0: c0598c20 c07f6140 00000001 00000000 c05991b4 c13a3e08 c05991b4 c581a000 04 00000001 00[0 0 011040.03 500065] bee0: b6e3a000 00020000 00000004 0000000f 0001fff1 c581bee0 00000001 b6e39000 020000 bea0ca54[ #1 1[4 . 3161351] bf00: c6a2db80 00000000 00000000 00000000 00000000 00000000 00000000 00000000 3.638921] ffe0[: 0101040.030700522] bf20: 00000000 00000000 c13a3e08 1e4a8b70 c205cfa0 c6ba3b80 c6ba3b80 c581a000 bea0c788 b6f154cf[ b 61e194b.7380695] bf40: b6e3a000 00000000 00000000 00000004 c581bf94 c581bf60 c05991b4 c0598b20 6 # [ 113.644[0 0141]4 .C3o9d1038] bf60: 00000000 00000000 c581bfac 1e4a8b70 0000000f 0000000f b6f81e00 00000004 : 5f727563 6e75[6 f 6131 40.04000209] bf80: c03002e4 c581a000 c581bfa4 c581bf98 c0599244 c059914c 00000000 c581bfa8 0074 aa55aa55 [( e 11a104c.0401d1381] bfa0: c03000c0 c0599238 0000000f 0000000f 00000001 b6e3a000 0000000f 00000000 # [ 113.6501[3 4 ]1 1-4-.-4[21554] bfc0: 0000000f 0000000f b6f81e00 00000004 00000001 00000000 00020000 be846a54 end trace b6557[ 7 c181f4b.c4a381811] bfe0: 00000004 be846788 b6eec4cf b6e727e6 800e0030 00000001 00000000 00000000 6e ]--- # EXEC[_ R O1D1A4T.A4:41977] Backtrace: missing 'call trace:': [FAIL][ 114.446433] [] (lkdtm_EXEC_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) not ok 34 s[e l f1t1e4s.t4s5:7 5l9] r4:00000024 kdtm: EXEC_RODATA.sh # e[x i t1=14.461912] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # selftests: lkdtm: EX[E C _1U14.472343] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) ERSPACE.sh [ 114.482687] r9:c581bf60 r8:c5322600 r7:0000000f r6:b6e3a000 r5:c6ba3b80 r4:c0c2f668 [ 114.491476] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 114.499317] r9:c07f6134 r8:c581bf60 r7:c2816000 r6:b6e3a000 r5:c6ba3b80 r4:00000000 [ 114.507070] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 114.514215] r10:00000004 r9:00000000 r8:00000000 r7:b6e3a000 r6:c581a000 r5:c6ba3b80 [ 114.522050] r4:c6ba3b80 [ 114.524593] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 114.531735] r9:c581a000 r8:c03002e4 r7:00000004 r6:b6f81e00 r5:0000000f r4:0000000f [ 114.539490] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 114.547063] Exception stack(0xc581bfa8 to 0xc581bff0) [ 114.552124] bfa0: 0000000f 0000000f 00000001 b6e3a000 0000000f 00000000 [ 114.560309] bfc0: 0000000f 0000000f b6f81e00 00000004 00000001 00000000 00020000 be846a54 [ 114.568494] bfe0: 00000004 be846788 b6eec4cf b6e727e6 [ 114.573558] Code: bad PC value [ 114.576626] ---[ end trace b65577c8fbca896f ]--- # Segmentation fault # [ 114.129409] lkdtm: Performing direct entry EXEC_USERSPACE # [ 114.136552] lkdtm: attempting ok execution at c0c2fff8 # [ 114.144816] lkdtm: attempting bad execution at b6f80000 # [ 114.152567] Unhandled prefetch abort: page domain fault (0x00b) at 0xb6f80000 # [ 114.162549] Internal error: : b [#8] SMP ARM # [ 114.168898] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic parallel_display dw_hdmi_imx dw_hdmi snd_soc_sgtl5000 snd_soc_core imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imxdrm flexcan can_dev etnaviv gpu_sched imx_ipu_v3 # [ 114.200601] CPU: 2 PID: 2174 Comm: cat Tainted: G D W 5.10.154-cip20 #1 # [ 114.210422] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 114.218774] PC is at 0xb6f80000 # [ 114.223912] LR is at lkdtm_EXEC_USERSPACE+0xc4/0xd4 # [ 114.230953] pc : [] lr : [] psr: 600e0013 # [ 114.238954] sp : c581be48 ip : 00000027 fp : c581be64 # [ 114.245826] r10: 0000000f r9 : c1ad0d78 r8 : c15e8634 # [ 114.252701] r7 : c581bf60 r6 : 0000000f r5 : c6ed2000 r4 : b6f80000 # [ 114.260962] r3 : 1e4a8b70 r2 : 1e4a8b70 r1 : ef7ab5e4 r0 : 0000002b # [ 114.269311] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 114.278266] Control: 10c5387d Table: 16efc04a DAC: 00000051 # [ 114.285662] Process cat (pid: 2174, stack limit = 0x02a532e2) # [ 114.293227] Stack: (0xc581be48 to 0xc581c000) # [ 114.299324] be40: 00000001 00000000 0000000f 00000024 c581be74 c581be68 # [ 114.309581] be60: c0c2f288 c0c30094 c581be9c c581be78 c0c2f788 c0c2f268 c0c2f668 c6ba3b80 # [ 114.319666] be80: b6e3a000 0000000f c5322600 c581bf60 c581bec4 c581bea0 c07f6198 c0c2f674 # [ 114.329924] bea0: 00000000 c6ba3b80 b6e3a000 c2816000 c581bf60 c07f6134 c581bf5c c581bec8 # [ 114.340094] bec0: c0598c20 c07f6140 00000001 00000000 c05991b4 c13a3e08 c05991b4 c581a000 # [ 114.350265] bee0: b6e3a000 00020000 00000004 0000000f 0001fff1 c581bee0 00000001 b6e39000 # [ 114.360351] bf00: c6a2db80 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 114.370522] bf20: 00000000 00000000 c13a3e08 1e4a8b70 c205cfa0 c6ba3b80 c6ba3b80 c581a000 # [ 114.380695] bf40: b6e3a000 00000000 00000000 00000004 c581bf94 c581bf60 c05991b4 c0598b20 # [ 114.391038] bf60: 00000000 00000000 c581bfac 1e4a8b70 0000000f 0000000f b6f81e00 00000004 # [ 114.401209] bf80: c03002e4 c581a000 c581bfa4 c581bf98 c0599244 c059914c 00000000 c581bfa8 # [ 114.411381] bfa0: c03000c0 c0599238 0000000f 0000000f 00000001 b6e3a000 0000000f 00000000 # [ 114.421554] bfc0: 0000000f 0000000f b6f81e00 00000004 00000001 00000000 00020000 be846a54 # [ 114.431811] bfe0: 00000004 be846788 b6eec4cf b6e727e6 800e0030 00000001 00000000 00000000 # [ 114.441977] Backtrace: # [ 114.446433] [] (lkdtm_EXEC_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 114.457549] r4:00000024 # [ 114.461912] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 114.472343] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 114.482687] r9:c581bf60 r8:c5322600 r7:0000000f r6:b6e3a000 r5:c6ba3b80 r4:c0c2f668 # [ 114.491476] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 114.499317] r9:c07f6134 r8:c581bf60 r7:c2816000 r6:b6e3a000 r5:c6ba3b80 r4:00000000 # [ 114.507070] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 114.514215] r10:00000004 r9:00000000 r8:00000000 r7:b6e3a000 r6:c581a000 r5:c6ba3b80 # [ 114.522050] r4:c6ba3b80 # [ 114.524593] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 114.531735] r9:c581a000 r8:c03002e4 r7:00000004 r6:b6f81e00 r5:0000000f r4:0000000f # [ 114.539490] [] (sys_write) from [] (ret_fast_syscall+0x[ 115.026587] lkdtm: Performing direct entry EXEC_NULL 0/0x28) # [ 114.547063] Excepti[ 115.034371] lkdtm: attempting ok execution at c0c2fff8 on stack(0xc581bfa8 to 0xc581bff0[ 115.042365] lkdtm: attempting bad execution at 00000000 ) # [ 114.552124] bfa0: [ 115.050621] 8<--- cut here --- 0000000f 0000000f 0000[ 115.056506] Unable to handle kernel NULL pointer dereference at virtual address 00000000 0001 b6e3a000 0000000f 00000000 [ 115.067510] pgd = 4fc085fb # [ 114.560309] bfc0: 0000000f 0[ 115.073052] [00000000] *pgd=00000000 000000f b6f81e00 00000004 0000000[ 115.079520] Internal error: Oops: 80000005 [#9] SMP ARM [ 115.087566] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic parallel_display dw_hdmi_imx dw_hdmi snd_soc_sgtl5000 snd_soc_core imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imxdrm flexcan can_dev etnaviv gpu_sched imx_ipu_v3 [ 115.116598] CPU: 0 PID: 2245 Comm: cat Tainted: G D W 5.10.154-cip20 #1 [ 115.124345] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 115.130880] PC is at 0x0 [ 115.133427] LR is at execute_location+0xa4/0xb4 [ 115.137963] pc : [<00000000>] lr : [] psr: 600e0013 [ 115.144235] sp : c6815e38 ip : c6815d40 fp : c6815e54 [ 115.149464] r10: 0000000a r9 : c1ad0d88 r8 : c15e8634 [ 115.154693] r7 : c6815f60 r6 : 00000000 r5 : 00000000 r4 : c0c2fff8 [ 115.161224] r3 : cbbbd505 r2 : cbbbd505 r1 : ef7815e0 r0 : 0000002b [ 115.167757] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 115.174897] Control: 10c5387d Table: 16f4804a DAC: 00000051 [ 115.180648] Process cat (pid: 2245, stack limit = 0xb850a219) [ 115.186402] Stack: (0xc6815e38 to 0xc6816000) [ 115.190765] 5e20: 00000025 c6aba000 [ 115.198955] 5e40: 0000000a c6815f60 c6815e64 c6815e58 c138e890 c138e5ec c6815e74 c6815e68 [ 115.207142] 5e60: c0c2f288 c138e87c c6815e9c c6815e78 c0c2f788 c0c2f268 c0c2f668 c5aa1540 [ 115.215328] 5e80: b6e48000 0000000a c5322600 c6815f60 c6815ec4 c6815ea0 c07f6198 c0c2f674 [ 115.223513] 5ea0: 00000000 c5aa1540 b6e48000 c2816000 c6815f60 c07f6134 c6815f5c c6815ec8 [ 115.231699] 5ec0: c0598c20 c07f6140 00000001 00000000 c05991b4 c13a3e08 c05991b4 c6814000 [ 115.239884] 5ee0: b6e48000 00020000 00000004 0000000a 0001fff6 c6815ee0 00000001 b6e47000 [ 115.248069] 5f00: c69f9900 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 115.256256] 5f20: 00000000 00000000 c13a3e08 cbbbd505 c205cfa0 c5aa1540 c5aa1540 c6814000 [ 115.264443] 5f40: b6e48000 00000000 00000000 00000004 c6815f94 c6815f60 c05991b4 c0598b20 [ 115.272629] 5f60: 00000000 00000000 c6815fac cbbbd505 0000000a 0000000a b6f8fe00 00000004 [ 115.280814] 5f80: c03002e4 c6814000 c6815fa4 c6815f98 c0599244 c059914c 00000000 c6815fa8 [ 115.288998] 5fa0: c03000c0 c0599238 0000000a 0000000a 00000001 b6e48000 0000000a 00000000 [ 115.297184] 5fc0: 0000000a 0000000a b6f8fe00 00000004 00000001 00000000 00020000 beddfa54 [ 115.305369] 5fe0: 00000004 beddf788 b6efa4cf b6e807e6 800e0030 00000001 00000000 00000000 [ 115.313549] Backtrace: [ 115.316013] [] (execute_location) from [] (lkdtm_EXEC_NULL+0x20/0x24) [ 115.324201] r7:c6815f60 r6:0000000a r5:c6aba000 r4:00000025 [ 115.329878] [] (lkdtm_EXEC_NULL) from [] (lkdtm_do_action+0x2c/0x4c) [ 115.337980] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 115.345998] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 115.353925] r9:c6815f60 r8:c5322600 r7:0000000a r6:b6e48000 r5:c5aa1540 r4:c0c2f668 [ 115.361681] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 115.369518] r9:c07f6134 r8:c6815f60 r7:c2816000 r6:b6e48000 r5:c5aa1540 r4:00000000 [ 115.377271] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 115.384415] r10:00000004 r9:00000000 r8:00000000 r7:b6e48000 r6:c6814000 r5:c5aa1540 [ 115.392248] r4:c5aa1540 [ 115.394791] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 115.401933] r9:c6814000 r8:c03002e4 r7:00000004 r6:b6f8fe00 r5:0000000a r4:0000000a [ 115.409688] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 115.417262] Exception stack(0xc6815fa8 to 0xc6815ff0) [ 115.422322] 5fa0: 0000000a 0000000a 00000001 b6e48000 0000000a 00000000 [ 115.430507] 5fc0: 0000000a 0000000a b6f8fe00 00000004 00000001 00000000 00020000 beddfa54 [ 115.438688] 5fe0: 00000004 beddf788 b6efa4cf b6e807e6 [ 115.443750] Code: bad PC value 1 00000000 00020000 be846a54 # [[ 115.446877] ---[ end trace b65577c8fbca8970 ]--- 114.568494] bfe0: 00000004 be846788 b6eec4cf b6e727e6 # [ 114.573558] Code: bad PC value # [ 114.576626] ---[ end trace b65577c8fbca896f ]--- # EXEC_USERSPACE: missing 'call trace:': [FAIL] not ok 35 selftests: lkdtm: EXEC_USERSPACE.sh # exit=1 # selftests: lkdtm: EXEC_NULL.sh # Segmentation fault # [ 115.026587] lkdtm: Performing direct entry EXEC_NULL # [ 115.034371] lkdtm: attempting ok execution at c0c2fff8 # [ 115.042365] lkdtm: attempting bad execution at 00000000 # [ 115.050621] 8<--- cut here --- # [ 115.056506] Unable to handle kernel NULL pointer dereference at virtual address 00000000 # [ 115.067510] pgd = 4fc085fb # [ 115.073052] [00000000] *pgd=00000000 # [ 115.079520] Internal error: Oops: 80000005 [#9] SMP ARM # [ 115.087566] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic parallel_display dw_hdmi_imx dw_hdmi snd_soc_sgtl5000 snd_soc_core imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imxdrm flexcan can_dev etnaviv gpu_sched imx_ipu_v3 # [ 115.116598] CPU: 0 PID: 2245 Comm: cat Tainted: G D W 5.10.154-cip20 #1 # [ 115.124345] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 115.130880] PC is at 0x0 # [ 115.133427] LR is at execute_location+0xa4/0xb4 # [ 115.137963] pc : [<00000000>] lr : [] psr: 600e0013 # [ 115.144235] sp : c6815e38 ip : c6815d40 fp : c6815e54 # [ 115.149464] r10: 0000000a r9 : c1ad0d88 r8 : c15e8634 # [ 115.154693] r7 : c6815f60 r6 : 00000000 r5 : 00000000 r4 : c0c2fff8 # [ 115.161224] r3 : cbbbd505 r2 : cbbbd505 r1 : ef7815e0 r0 : 0000002b # [ 115.167757] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 115.174897] Control: 10c5387d Table: 16f4804a DAC: 00000051 # [ 115.180648] Process cat (pid: 2245, stack limit = 0xb850a219) # [ 115.186402] Stack: (0xc6815e38 to 0xc6816000) # [ 115.190765] 5e20: 00000025 c6aba000 # [ 115.198955] 5e40: 0000000a c6815f60 c6815e64 c6815e58 c138e890 c138e5ec c6815e74 c6815e68 # [ 115.207142] 5e60: c0c2f288 c138e87c c6815e9c c6815e78 c0c2f788 c0c2f268 c0c2f668 c5aa1540 # [ 115.215328] 5e80: b6e48000 0000000a c5322600 c6815f60 c6815ec4 c6815ea0 c07f6198 c0c2f674 # [ 115.223513] 5ea0: 00000000 c5aa1540 b6e48000 c2816000 c6815f60 c07f6134 c6815f5c c6815ec8 # [ 115.231699] 5ec0: c0598c20 c07f6140 00000001 00000000 c05991b4 c13a3e08 c05991b4 c6814000 # [ 115.239884] 5ee0: b6e48000 00020000 00000004 0000000a 0001fff6 c6815ee0 00000001 b6e47000 # [ 115.248069] 5f00: c69f9900 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 115.256256] 5f20: 00000000 00000000 c13a3e08 cbbbd505 c205cfa0 c5aa1540 c5aa1540 c6814000 # [ 115.264443] 5f40: b6e48000 00000000 00000000 00000004 c6815f94 c6815f60 c05991b4 c0598b20 # [ 115.272629] 5f60: 00000000 00000000 c6815fac cbbbd505 0000000a 0000000a b6f8fe00 00000004 # [ 115.280814] 5f80: c03002e4 c6814000 c6815fa4 c6815f98 c0599244 c059914c 00000000 c6815fa8 # [ 115.288998] 5fa0: c03000c0 c0599238 0000000a 0000000a 00000001 b6e48000 0000000a 00000000 # [ 115.297184] 5fc0: 0000000a 0000000a b6f8fe00 00000004 00000001 00000000 00020000 beddfa54 # [ 115.305369] 5fe0: 00000004 beddf788 b6efa4cf b6e807e6 800e0030 00000001 00000000 00000000 # [ 115.313549] Backtrace: # [ 115.316013] [] (execute_location) from [] (lkdtm_EXEC_NULL+0x20/0x24) # [ 115.324201] r7:c6815f60 r6:0000000a r5:c6aba000 r4:00000025 # [ 115.329878] [] (lkdtm_EXEC_NULL) from [] (lkdtm_do_action+0x2c/0x4c) # [ 115.337980] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 115.345998] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 115.353925] r9:c6815f60 r8:c5322600 r7:0000000a r6:b6e48000 r5:c5aa1540 r4:c0c2f668 # [ 115.361681] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 115.369518] r9:c07f6134 r8:c6815f60 r7:c2816000 r6:b6e48000 r5:c5aa1540 r4:00000000 # [ 115.377271] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 115.384415] r10:00000004 r9:00000000 r8:000000[ 115.924520] lkdtm: Performing direct entry ACCESS_USERSPACE 00 r7:b6e48000 r6:c6814000 r5:c5a[ 115.931981] lkdtm: attempting bad read at b6f84000 a1540 # [ 115.392248] r4:c5aa1[ 115.939689] 8<--- cut here --- [ 115.945511] Unhandled fault: page domain fault (0x01b) at 0xb6f84000 540 # [ 115.394791] [[< c 01519.951876] pgd = 0ac16756 9140>] (ksys_write) from [] (sys_write+0x18/0x1c) # [ [ 115.963298] Internal error: : 1b [#10] SMP ARM 115.401933] r9:c6814000 r8:c0300[ 115.970516] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic parallel_display dw_hdmi_imx dw_hdmi snd_soc_sgtl5000 snd_soc_core imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imxdrm flexcan can_dev etnaviv gpu_sched imx_ipu_v3 2e4 r7:00000004 r6:b6f8fe00 r5[: 116.002233] CPU: 3 PID: 2321 Comm: cat Tainted: G D W 5.10.154-cip20 #1 000000a r4:0000000[a 1#1 6.[0 2663] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 115.409688] [] (sys_wr[ 116.021295] PC is at lkdtm_ACCESS_USERSPACE+0x114/0x16c ite) from [] (ret_fast_[ 116.029398] LR is at __irq_work_queue_local+0x40/0x74 syscall+0x0/0x28) # [[ 111165037305] pc : [] lr : [] psr: 600e0013 .417262] Exception[ s t1a1c6k.(045831] sp : c6815e38 ip : c6815d40 fp : c6815e64 xc6815fa8 to 0xc681[5 f f101)6 . 53233] r10: 00000011 r9 : c1ad0d94 r8 : c15e8634 # [ 115.422322] [5 f a101:6 . 0 0634] r7 : c6815f60 r6 : 00000051 r5 : c6814000 r4 : b6f84000 000[0 010106a. 069250] r3 : 8d59cf22 r2 : 8d59cf22 r1 : ef7c05e0 r0 : 00000026 000000a 00000001 b6e4[8 0 0101 6.077955] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none 000000a 00000000 # [[ 111156.087353] Control: 10c5387d Table: 1704c04a DAC: 00000051 430507] 5fc0: 0000000a 0[0 0 01016.095365] Process cat (pid: 2321, stack limit = 0xb850a219) 0a b6f8fe00 00000004 00[0 0 01010.103546] Stack: (0xc6815e38 to 0xc6816000) 1 00000000 00020000 beddfa[5 4 116.110254] 5e20: 00000022 00000000 # [ 115.438688] 5fe0: 00000004 b[ 116.120961] 5e40: 00000000 8d59cf22 c6815e6c 00000026 c6c96000 00000011 c6815e74 c6815e68 eddf788 b6efa4cf b6e807e6 # [ [ 116.132006] 5e60: c0c2f288 c0c30168 c6815e9c c6815e78 c0c2f788 c0c2f268 c0c2f668 c6944000 115.443750] Code: bad PC value [ 116.142878] 5e80: b6e3e000 00000011 c5322600 c6815f60 c6815ec4 c6815ea0 c07f6198 c0c2f674 # [ 115.446877] ---[ end trace[ 116.153753] 5ea0: 00000000 c6944000 b6e3e000 c2816000 c6815f60 c07f6134 c6815f5c c6815ec8 b65577c8fbca8970 ]--- # EXEC_[N 116.164627] 5ec0: c0598c20 c07f6140 00000001 00000000 c05991b4 c13a3e08 c05991b4 c6814000 LL: missing 'call trace:': [FA[I 116.175501] 5ee0: b6e3e000 00020000 00000004 00000011 0001ffef c6815ee0 00000001 b6e3d000 ] not ok 36 selftests: lkdtm:[ 116.186374] 5f00: c6a2d2c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 XEC_NULL.sh # exit=1 # selfte[s 116.197247] 5f20: 00000000 00000000 c13a3e08 8d59cf22 c205cfa0 c6944000 c6944000 c6814000 s: lkdtm: ACCESS_USERSPACE.sh[ 116.208121] 5f40: b6e3e000 00000000 00000000 00000004 c6815f94 c6815f60 c05991b4 c0598b20 [ 116.218907] 5f60: 00000000 00000000 c6815fac 8d59cf22 00000011 00000011 b6f85e00 00000004 [ 116.227115] 5f80: c03002e4 c6814000 c6815fa4 c6815f98 c0599244 c059914c 00000000 c6815fa8 [ 116.235323] 5fa0: c03000c0 c0599238 00000011 00000011 00000001 b6e3e000 00000011 00000000 [ 116.243531] 5fc0: 00000011 00000011 b6f85e00 00000004 00000001 00000000 00020000 becb6a54 [ 116.251739] 5fe0: 00000004 becb6788 b6ef04cf b6e767e6 800e0030 00000001 00000000 00000000 [ 116.259934] Backtrace: [ 116.262443] [] (lkdtm_ACCESS_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) [ 116.271173] r6:00000011 r5:c6c96000 r4:00000026 [ 116.275831] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 116.283878] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 116.291827] r9:c6815f60 r8:c5322600 r7:00000011 r6:b6e3e000 r5:c6944000 r4:c0c2f668 [ 116.299611] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 116.307470] r9:c07f6134 r8:c6815f60 r7:c2816000 r6:b6e3e000 r5:c6944000 r4:00000000 [ 116.315248] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 116.322413] r10:00000004 r9:00000000 r8:00000000 r7:b6e3e000 r6:c6814000 r5:c6944000 [ 116.330262] r4:c6944000 [ 116.332828] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 116.339996] r9:c6814000 r8:c03002e4 r7:00000004 r6:b6f85e00 r5:00000011 r4:00000011 [ 116.347775] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 116.355367] Exception stack(0xc6815fa8 to 0xc6815ff0) [ 116.360448] 5fa0: 00000011 00000011 00000001 b6e3e000 00000011 00000000 [ 116.368657] 5fc0: 00000011 00000011 b6f85e00 00000004 00000001 00000000 00020000 becb6a54 [ 116.376859] 5fe0: 00000004 becb6788 b6ef04cf b6e767e6 [ 116.381944] Code: e1a01004 e3010cb8 e34c01ad eb1d4dcb (e5943000) [ 116.388071] ---[ end trace b65577c8fbca8971 ]--- # Segmentation fault # [ 115.924520] lkdtm: Performing direct entry ACCESS_USERSPACE # [ 115.931981] lkdtm: attempting bad read at b6f84000 # [ 115.939689] 8<--- cut here --- # [ 115.945511] Unhandled fault: page domain fault (0x01b) at 0xb6f84000 # [ 115.951876] pgd = 0ac16756 # [ 115.956927] [b6f84000] *pgd=49a4a831 # [ 115.963298] Internal error: : 1b [#10] SMP ARM # [ 115.970516] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic parallel_display dw_hdmi_imx dw_hdmi snd_soc_sgtl5000 snd_soc_core imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imxdrm flexcan can_dev etnaviv gpu_sched imx_ipu_v3 # [ 116.002233] CPU: 3 PID: 2321 Comm: cat Tainted: G D W 5.10.154-cip20 #1 # [ 116.012663] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 116.021295] PC is at lkdtm_ACCESS_USERSPACE+0x114/0x16c # [ 116.029398] LR is at __irq_work_queue_local+0x40/0x74 # [ 116.037305] pc : [] lr : [] psr: 600e0013 # [ 116.045831] sp : c6815e38 ip : c6815d40 fp : c6815e64 # [ 116.053233] r10: 00000011 r9 : c1ad0d94 r8 : c15e8634 # [ 116.060634] r7 : c6815f60 r6 : 00000051 r5 : c6814000 r4 : b6f84000 # [ 116.069250] r3 : 8d59cf22 r2 : 8d59cf22 r1 : ef7c05e0 r0 : 00000026 # [ 116.077955] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 116.087353] Control: 10c5387d Table: 1704c04a DAC: 00000051 # [ 116.095365] Process cat (pid: 2321, stack limit = 0xb850a219) # [ 116.103546] Stack: (0xc6815e38 to 0xc6816000) # [ 116.110254] 5e20: 00000022 00000000 # [ 116.120961] 5e40: 00000000 8d59cf22 c6815e6c 00000026 c6c96000 00000011 c6815e74 c6815e68 # [ 116.132006] 5e60: c0c2f288 c0c30168 c6815e9c c6815e78 c0c2f788 c0c2f268 c0c2f668 c6944000 # [ 116.142878] 5e80: b6e3e000 00000011 c5322600 c6815f60 c6815ec4 c6815ea0 c07f6198 c0c2f674 # [ 116.153753] 5ea0: 00000000 c6944000 b6e3e000 c2816000 c6815f60 c07f6134 c6815f5c c6815ec8 # [ 116.164627] 5ec0: c0598c20 c07f6140 00000001 00000000 c05991b4 c13a3e08 c05991b4 c6814000 # [ 116.175501] 5ee0: b6e3e000 00020000 00000004 00000011 0001ffef c6815ee0 00000001 b6e3d000 # [ 116.186374] 5f00: c6a2d2c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 116.197247] 5f20: 00000000 00000000 c13a3e08 8d59cf22 c205cfa0 c6944000 c6944000 c6814000 # [ 116.208121] 5f40: b6e3e000 00000000 00000000 00000004 c6815f94 c6815f60 c05991b4 c0598b20 # [ 116.218907] 5f60: 00000000 00000000 c6815fac 8d59cf22 00000011 00000011 b6f85e00 00000004 # [ 116.227115] 5f80: c03002e4 c6814000 c6815fa4 c6815f98 c0599244 c059914c 00000000 c6815fa8 # [ 116.235323] 5fa0: c03000c0 c0599238 00000011 00000011 00000001 b6e3e000 00000011 00000000 # [ 116.243531] 5fc0: 00000011 00000011 b6f85e00 00000004 00000001 00000000 00020000 becb6a54 # [ 116.251739] 5fe0: 00000004 becb6788 b6ef04cf b6e767e6 800e0030 00000001 00000000 00000000 # [ 116.259934] Backtrace: # [ 116.262443] [] (lkdtm_ACCESS_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 116.271173] r6:00000011 r5:c6c96000 r4:00000026 # [ 116.275831] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 116.283878] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 116.291827] r9:c6815f60 r8:c5322600 r7:00000011 r6:b6e3e000 r5:c6944000 r4:c0c2f668 # [ 116.299611] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 116.307470] r9:c07f6134 r8:c6815f60 r7:c2816000 r6:b6e3e000 r5:c6944000 r4:00000000 # [ 116.315248] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 116.322413] r10:00000004 r9:00000000 r8:00000000 r7:b6e3e000 r6:c6814000 r5:c6944000 # [ 116.330262] r4:c6944000 # [ 116.332828] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 116.339996] r9:c6814000 r8:c03002e4 r7:00000004 r6:b6f85e00 r5:00000011 r4:00000011 # [ 116.347775] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 116.355367] Exception stack(0xc6815fa8 to 0xc6815ff0) # [ 116.360448] 5fa0: 00000011 00000011 00000001 b6e3e000 00000011 00000000 # [ 116.368657] 5fc0: 00000011 00000011 b6f85e00 00000004 00000001 00000000 00020000 becb6a54 # [ 116.376859] 5fe0: 00000004 becb6788 b6ef04cf b6e767e6 # [ 116.381944] Code: e1a01004 e3010cb8 e34c01ad eb1d4d[ 116.866831] lkdtm: Performing direct entry ACCESS_NULL cb (e5943000) # [ 116.388071] [ 116.874798] lkdtm: attempting bad read at 00000000 ---[ end trace b65577c8fbca8971 ][ 116.882355] 8<--- cut here --- --- # ACCESS_USERSPACE: missing [ 116.888288] Unable to handle kernel NULL pointer dereference at virtual address 00000000 'call trace:': [FAIL] not ok 37 [ 116.899370] pgd = 239cdfb5 selftests: lkdtm: ACCESS_USERSPAC[ 116.904833] [00000000] *pgd=00000000 E.sh # exit=1 # selfte[s t s1:1 .911236] Internal error: Oops: 5 [#11] SMP ARM lkdtm: ACCESS_NULL.sh [ 116.918278] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic parallel_display dw_hdmi_imx dw_hdmi snd_soc_sgtl5000 snd_soc_core imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imxdrm flexcan can_dev etnaviv gpu_sched imx_ipu_v3 [ 116.949114] CPU: 2 PID: 2396 Comm: cat Tainted: G D W 5.10.154-cip20 #1 [ 116.956861] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 116.963405] PC is at lkdtm_ACCESS_NULL+0x28/0x68 [ 116.968031] LR is at 0x0 [ 116.970570] pc : [] lr : [<00000000>] psr: 600e0013 [ 116.976842] sp : c6fc7e50 ip : 00000027 fp : c6fc7e64 [ 116.982070] r10: 0000000c r9 : c1ad0da8 r8 : c15e8634 [ 116.987300] r7 : c6fc7f60 r6 : 0000000c r5 : c470d000 r4 : 00000000 [ 116.993831] r3 : 47f1ffa7 r2 : 47f1ffa7 r1 : ef7ab5e4 r0 : 00000026 [ 117.000366] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 117.007506] Control: 10c5387d Table: 16ec804a DAC: 00000051 [ 117.013258] Process cat (pid: 2396, stack limit = 0x18ee2eb8) [ 117.019010] Stack: (0xc6fc7e50 to 0xc6fc8000) [ 117.023375] 7e40: 00000027 c470d000 c6fc7e74 c6fc7e68 [ 117.031562] 7e60: c0c2f288 c138e8a0 c6fc7e9c c6fc7e78 c0c2f788 c0c2f268 c0c2f668 c69f9e00 [ 117.039748] 7e80: b6e02000 0000000c c5322600 c6fc7f60 c6fc7ec4 c6fc7ea0 c07f6198 c0c2f674 [ 117.047933] 7ea0: 00000000 c69f9e00 b6e02000 c2816000 c6fc7f60 c07f6134 c6fc7f5c c6fc7ec8 [ 117.056122] 7ec0: c0598c20 c07f6140 00000001 00000000 c05991b4 c13a3e08 c05991b4 c6fc6000 [ 117.064308] 7ee0: b6e02000 00020000 00000004 0000000c 0001fff4 c6fc7ee0 00000001 b6e01000 [ 117.072494] 7f00: c5bcf040 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 117.080680] 7f20: 00000000 00000000 c13a3e08 47f1ffa7 c205cfa0 c69f9e00 c69f9e00 c6fc6000 [ 117.088865] 7f40: b6e02000 00000000 00000000 00000004 c6fc7f94 c6fc7f60 c05991b4 c0598b20 [ 117.097050] 7f60: 00000000 00000000 c6fc7fac 47f1ffa7 0000000c 0000000c b6f49e00 00000004 [ 117.105236] 7f80: c03002e4 c6fc6000 c6fc7fa4 c6fc7f98 c0599244 c059914c 00000000 c6fc7fa8 [ 117.113422] 7fa0: c03000c0 c0599238 0000000c 0000000c 00000001 b6e02000 0000000c 00000000 [ 117.121607] 7fc0: 0000000c 0000000c b6f49e00 00000004 00000001 00000000 00020000 beed7a54 [ 117.129792] 7fe0: 00000004 beed7788 b6eb44cf b6e3a7e6 800e0030 00000001 00000000 00000000 [ 117.137971] Backtrace: [ 117.140443] [] (lkdtm_ACCESS_NULL) from [] (lkdtm_do_action+0x2c/0x4c) [ 117.148715] r5:c470d000 r4:00000027 [ 117.152304] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 117.160323] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 117.168248] r9:c6fc7f60 r8:c5322600 r7:0000000c r6:b6e02000 r5:c69f9e00 r4:c0c2f668 [ 117.176005] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 117.183842] r9:c07f6134 r8:c6fc7f60 r7:c2816000 r6:b6e02000 r5:c69f9e00 r4:00000000 [ 117.191595] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 117.198739] r10:00000004 r9:00000000 r8:00000000 r7:b6e02000 r6:c6fc6000 r5:c69f9e00 [ 117.206571] r4:c69f9e00 [ 117.209116] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 117.216259] r9:c6fc6000 r8:c03002e4 r7:00000004 r6:b6f49e00 r5:0000000c r4:0000000c [ 117.224016] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 117.231590] Exception stack(0xc6fc7fa8 to 0xc6fc7ff0) [ 117.236648] 7fa0: 0000000c 0000000c 00000001 b6e02000 0000000c 00000000 [ 117.244833] 7fc0: 0000000c 0000000c b6f49e00 00000004 00000001 00000000 00020000 beed7a54 [ 117.253017] 7fe0: 00000004 beed7788 b6eb44cf b6e3a7e6 [ 117.258080] Code: e3010cb8 e34c01ad e1a01004 ebffd438 (e5945000) [ 117.264254] ---[ end trace b65577c8fbca8972 ]--- # Segmentation fault # [ 116.866831] lkdtm: Performing direct entry ACCESS_NULL # [ 116.874798] lkdtm: attempting bad read at 00000000 # [ 116.882355] 8<--- cut here --- # [ 116.888288] Unable to handle kernel NULL pointer dereference at virtual address 00000000 # [ 116.899370] pgd = 239cdfb5 # [ 116.904833] [00000000] *pgd=00000000 # [ 116.911236] Internal error: Oops: 5 [#11] SMP ARM # [ 116.918278] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic parallel_display dw_hdmi_imx dw_hdmi snd_soc_sgtl5000 snd_soc_core imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imxdrm flexcan can_dev etnaviv gpu_sched imx_ipu_v3 # [ 116.949114] CPU: 2 PID: 2396 Comm: cat Tainted: G D W 5.10.154-cip20 #1 # [ 116.956861] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 116.963405] PC is at lkdtm_ACCESS_NULL+0x28/0x68 # [ 116.968031] LR is at 0x0 # [ 116.970570] pc : [] lr : [<00000000>] psr: 600e0013 # [ 116.976842] sp : c6fc7e50 ip : 00000027 fp : c6fc7e64 # [ 116.982070] r10: 0000000c r9 : c1ad0da8 r8 : c15e8634 # [ 116.987300] r7 : c6fc7f60 r6 : 0000000c r5 : c470d000 r4 : 00000000 # [ 116.993831] r3 : 47f1ffa7 r2 : 47f1ffa7 r1 : ef7ab5e4 r0 : 00000026 # [ 117.000366] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 117.007506] Control: 10c5387d Table: 16ec804a DAC: 00000051 # [ 117.013258] Process cat (pid: 2396, stack limit = 0x18ee2eb8) # [ 117.019010] Stack: (0xc6fc7e50 to 0xc6fc8000) # [ 117.023375] 7e40: 00000027 c470d000 c6fc7e74 c6fc7e68 # [ 117.031562] 7e60: c0c2f288 c138e8a0 c6fc7e9c c6fc7e78 c0c2f788 c0c2f268 c0c2f668 c69f9e00 # [ 117.039748] 7e80: b6e02000 0000000c c5322600 c6fc7f60 c6fc7ec4 c6fc7ea0 c07f6198 c0c2f674 # [ 117.047933] 7ea0: 00000000 c69f9e00 b6e02000 c2816000 c6fc7f60 c07f6134 c6fc7f5c c6fc7ec8 # [ 117.056122] 7ec0: c0598c20 c07f6140 00000001 00000000 c05991b4 c13a3e08 c05991b4 c6fc6000 # [ 117.064308] 7ee0: b6e02000 00020000 00000004 0000000c 0001fff4 c6fc7ee0 00000001 b6e01000 # [ 117.072494] 7f00: c5bcf040 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 117.080680] 7f20: 00000000 00000000 c13a3e08 47f1ffa7 c205cfa0 c69f9e00 c69f9e00 c6fc6000 # [ 117.088865] 7f40: b6e02000 00000000 00000000 00000004 c6fc7f94 c6fc7f60 c05991b4 c0598b20 # [ 117.097050] 7f60: 00000000 00000000 c6fc7fac 47f1ffa7 0000000c 0000000c b6f49e00 00000004 # [ 117.105236] 7f80: c03002e4 c6fc6000 c6fc7fa4 c6fc7f98 c0599244 c059914c 00000000 c6fc7fa8 # [ 117.113422] 7fa0: c03000c0 c0599238 0000000c 0000000c 00000001 b6e02000 0000000c 00000000 # [ 117.121607] 7fc0: 0000000c 0000000c b6f49e00 00000004 00000001 00000000 00020000 beed7a54 # [ 117.129792] 7fe0: 00000004 beed7788 b6eb44cf b6e3a7e6 800e0030 00000001 00000000 00000000 # [ 117.137971] Backtrace: # [ 117.140443] [] (lkdtm_ACCESS_NULL) from [] (lkdtm_do_action+0x2c/0x4c) # [ 117.148715] r5:c470d000 r4:00000027 # [ 117.152304] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 117.160323] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 117.168248] r9:c6fc7f60 r8:c5322600 r7:0000000c r6:b6e02000 r5:c69f9e00 r4:c0c2f668 # [ 117.176005] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 117.183842] r9:c07f6134 r8:c6fc7f60 r7:c2816000 r6:b6e02000 r5:c69f9e00 r4:00000000 # [ 117.191595] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 117.198739] r10:00000004 r9:00000000 r8:00000000 r7:b6e02000 r6:c6fc6000 r5:c69f9e00 # [ 117.206571] r4:c69f9e00 # [ 117.209116] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [[ 117.735549] lkdtm: attempting bad rodata write at c15e88cc 117.216259] r9:c6fc6000 r8:c03[ 117.743689] 8<--- cut here --- 002e4 r7:00000004 r[6 : b161f74.949590] Unable to handle kernel paging request at virtual address c15e88cc e00 r5:0000000c r4:0000000[c 1 7.758986] pgd = 3171a0ed # [ 117.224016] [] (sy[ 117.764125] [c15e88cc] *pgd=1141941e(bad) s_write) from [] (ret_f[ 117.771007] Internal error: Oops: 80d [#12] SMP ARM ast_syscall+0x0/0x28) # [ 117.2[ 117.778740] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic parallel_display dw_hdmi_imx dw_hdmi snd_soc_sgtl5000 snd_soc_core imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imxdrm flexcan can_dev etnaviv gpu_sched imx_ipu_v3 31590] Exception stack(0xc6fc7fa8[ 117.810452] CPU: 2 PID: 2470 Comm: cat Tainted: G D W 5.10.154-cip20 #1 to 0xc6fc7ff0) # [ 117.23[6 6 117.821048] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 8] 7fa0: 000000[ 117.830194] PC is at lkdtm_WRITE_RO+0x44/0x50 0c 0000000c 00000001 b6e02000 [0 117.837400] LR is at 0x0 00000c 00000000 # [ 117.244[8 3117.842623] pc : [] lr : [<00000000>] psr: 600e0013 3] 7fc0: 0000000c 0000000c [b 6 f17.851490] sp : c5a2be50 ip : 00000027 fp : c5a2be64 49e00 00000004 00000001 0[0 0 0107.859229] r10: 00000009 r9 : c1ad0db4 r8 : c15e8634 000 00020000 beed7a54 # [[ 1117.866884] r7 : c5a2bf60 r6 : 00000009 r5 : c470d000 r4 : c15e88cc 7.253017] 7fe0: 0000000[4 b1e1e.875926] r3 : 0198b861 r2 : aa55aa55 r1 : ef7ab5e4 r0 : c1ad1bb8 d7788 b6eb44cf b6e3a7e6 # [ 117 117.884801] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none .258080] Code: e3010cb8 e34c[0 1 117.894709] Control: 10c5387d Table: 1581c04a DAC: 00000051 d e1a01004 ebffd438 (e59450[0 0 )17.903059] Process cat (pid: 2470, stack limit = 0xa8538644) # [ 117.264254] ---[ end[ t 117.911320] Stack: (0xc5a2be50 to 0xc5a2c000) ace b65577c8fbca8972 ]--- # ACCE[ 117.918289] be40: 00000028 c470d000 c5a2be74 c5a2be68 SS_NULL: missing 'call trace:': [[ 117.929329] be60: c0c2f288 c138e6a0 c5a2be9c c5a2be78 c0c2f788 c0c2f268 c0c2f668 c69f9e00 FAIL] not ok 38 selftests: lkdtm[ 117.940368] be80: b6dc5000 00000009 c5322600 c5a2bf60 c5a2bec4 c5a2bea0 c07f6198 c0c2f674 : ACCESS_NULL.sh # exit=1 # self[ 117.951406] bea0: 00000000 c69f9e00 b6dc5000 c2816000 c5a2bf60 c07f6134 c5a2bf5c c5a2bec8 tests: lkdtm: WRITE_RO.sh [ 117.962446] bec0: c0598c20 c07f6140 00000001 00000000 c05991b4 c13a3e08 c05991b4 c5a2a000 [ 117.972964] bee0: b6dc5000 00020000 00000004 00000009 0001fff7 c5a2bee0 00000001 b6dc4000 [ 117.981171] bf00: c6944140 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 117.989380] bf20: 00000000 00000000 c13a3e08 82969228 c205cfa0 c69f9e00 c69f9e00 c5a2a000 [ 117.997589] bf40: b6dc5000 00000000 00000000 00000004 c5a2bf94 c5a2bf60 c05991b4 c0598b20 [ 118.005796] bf60: 00000000 00000000 c5a2bfac 82969228 00000009 00000009 b6f0ce00 00000004 [ 118.014004] bf80: c03002e4 c5a2a000 c5a2bfa4 c5a2bf98 c0599244 c059914c 00000000 c5a2bfa8 [ 118.022212] bfa0: c03000c0 c0599238 00000009 00000009 00000001 b6dc5000 00000009 00000000 [ 118.030420] bfc0: 00000009 00000009 b6f0ce00 00000004 00000001 00000000 00020000 bed41a54 [ 118.038627] bfe0: 00000004 bed41788 b6e774cf b6dfd7e6 800e0030 00000001 00000000 00000000 [ 118.046821] Backtrace: [ 118.049331] [] (lkdtm_WRITE_RO) from [] (lkdtm_do_action+0x2c/0x4c) [ 118.057364] r5:c470d000 r4:00000028 [ 118.060981] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 118.069028] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 118.076977] r9:c5a2bf60 r8:c5322600 r7:00000009 r6:b6dc5000 r5:c69f9e00 r4:c0c2f668 [ 118.084762] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 118.092625] r9:c07f6134 r8:c5a2bf60 r7:c2816000 r6:b6dc5000 r5:c69f9e00 r4:00000000 [ 118.100402] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 118.107570] r10:00000004 r9:00000000 r8:00000000 r7:b6dc5000 r6:c5a2a000 r5:c69f9e00 [ 118.115420] r4:c69f9e00 [ 118.117989] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 118.125154] r9:c5a2a000 r8:c03002e4 r7:00000004 r6:b6f0ce00 r5:00000009 r4:00000009 [ 118.132934] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 118.140524] Exception stack(0xc5a2bfa8 to 0xc5a2bff0) [ 118.145604] bfa0: 00000009 00000009 00000001 b6dc5000 00000009 00000000 [ 118.153812] bfc0: 00000009 00000009 b6f0ce00 00000004 00000001 00000000 00020000 bed41a54 [ 118.162014] bfe0: 00000004 bed41788 b6e774cf b6dfd7e6 [ 118.167097] Code: e34a3bcd e3010bb8 e34c01ad e0233002 (e5843000) [ 118.173224] ---[ end trace b65577c8fbca8973 ]--- # Segmentation fault # [ 117.729711] lkdtm: Performing direct entry WRITE_RO # [ 117.735549] lkdtm: attempting bad rodata write at c15e88cc # [ 117.743689] 8<--- cut here --- # [ 117.749590] Unable to handle kernel paging request at virtual address c15e88cc # [ 117.758986] pgd = 3171a0ed # [ 117.764125] [c15e88cc] *pgd=1141941e(bad) # [ 117.771007] Internal error: Oops: 80d [#12] SMP ARM # [ 117.778740] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic parallel_display dw_hdmi_imx dw_hdmi snd_soc_sgtl5000 snd_soc_core imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imxdrm flexcan can_dev etnaviv gpu_sched imx_ipu_v3 # [ 117.810452] CPU: 2 PID: 2470 Comm: cat Tainted: G D W 5.10.154-cip20 #1 # [ 117.821048] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 117.830194] PC is at lkdtm_WRITE_RO+0x44/0x50 # [ 117.837400] LR is at 0x0 # [ 117.842623] pc : [] lr : [<00000000>] psr: 600e0013 # [ 117.851490] sp : c5a2be50 ip : 00000027 fp : c5a2be64 # [ 117.859229] r10: 00000009 r9 : c1ad0db4 r8 : c15e8634 # [ 117.866884] r7 : c5a2bf60 r6 : 00000009 r5 : c470d000 r4 : c15e88cc # [ 117.875926] r3 : 0198b861 r2 : aa55aa55 r1 : ef7ab5e4 r0 : c1ad1bb8 # [ 117.884801] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 117.894709] Control: 10c5387d Table: 1581c04a DAC: 00000051 # [ 117.903059] Process cat (pid: 2470, stack limit = 0xa8538644) # [ 117.911320] Stack: (0xc5a2be50 to 0xc5a2c000) # [ 117.918289] be40: 00000028 c470d000 c5a2be74 c5a2be68 # [ 117.929329] be60: c0c2f288 c138e6a0 c5a2be9c c5a2be78 c0c2f788 c0c2f268 c0c2f668 c69f9e00 # [ 117.940368] be80: b6dc5000 00000009 c5322600 c5a2bf60 c5a2bec4 c5a2bea0 c07f6198 c0c2f674 # [ 117.951406] bea0: 00000000 c69f9e00 b6dc5000 c2816000 c5a2bf60 c07f6134 c5a2bf5c c5a2bec8 # [ 117.962446] bec0: c0598c20 c07f6140 00000001 00000000 c05991b4 c13a3e08 c05991b4 c5a2a000 # [ 117.972964] bee0: b6dc5000 00020000 00000004 00000009 0001fff7 c5a2bee0 00000001 b6dc4000 # [ 117.981171] bf00: c6944140 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 117.989380] bf20: 00000000 00000000 c13a3e08 82969228 c205cfa0 c69f9e00 c69f9e00 c5a2a000 # [ 117.997589] bf40: b6dc5000 00000000 00000000 00000004 c5a2bf94 c5a2bf60 c05991b4 c0598b20 # [ 118.005796] bf60: 00000000 00000000 c5a2bfac 82969228 00000009 00000009 b6f0ce00 00000004 # [ 118.014004] bf80: c03002e4 c5a2a000 c5a2bfa4 c5a2bf98 c0599244 c059914c 00000000 c5a2bfa8 # [ 118.022212] bfa0: c03000c0 c0599238 00000009 00000009 00000001 b6dc5000 00000009 00000000 # [ 118.030420] bfc0: 00000009 00000009 b6f0ce00 00000004 00000001 00000000 00020000 bed41a54 # [ 118.038627] bfe0: 00000004 bed41788 b6e774cf b6dfd7e6 800e0030 00000001 00000000 00000000 # [ 118.046821] Backtrace: # [ 118.049331] [] (lkdtm_WRITE_RO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 118.057364] r5:c470d000 r4:00000028 # [ 118.060981] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 118.069028] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 118.076977] r9:c5a2bf60 r8:c5322600 r7:00000009 r6:b6dc5000 r5:c69f9e00 r4:c0c2f668 # [ 118.084762] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 118.092625] r9:c07f6134 r8:c5a2bf60 r7:c2816000 r6:b6dc5000 r5:c69f9e00 r4:00000000 # [ 118.100402] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 118.107570] r10:00000004 r9:00000000 r8:00000000 r7:b6dc5000 r6:c5a2a000 r5:c69f9e00 # [ 118.115420] r4:c69f9e00 # [ 118.117989] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 118.125154] r9:c5a2a000 r8:c03002e4 r7:00000004 r6:b6f0ce00 r5:00000009 r4:00000009 # [ 118.132934] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 118.140524] Exception stack(0xc5a2bfa8[ 118.635319] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT to 0xc5a2bff0) # [ [ 1 1181.81643439] lkdtm: attempting bad ro_after_init write at c1b83c60 45604] bfa0: 00[ 118.651863] 8<--- cut here --- 000009 00000009 00000001 b6dc5[0 118.657721] Unable to handle kernel paging request at virtual address c1b83c60 0 00000009 00000000 # [ 118.1[5 118.667635] pgd = 8f085c1c 3812] bfc0: 00000009 00000009 b6f[ 118.673029] [c1b83c60] *pgd=11a1941e(bad) 0ce00 00000004 00000001 00000000 [ 118.679911] Internal error: Oops: 80d [#13] SMP ARM 00020000 bed41a54 # [ 118.16201[ 118.687646] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic parallel_display dw_hdmi_imx dw_hdmi snd_soc_sgtl5000 snd_soc_core imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imxdrm flexcan can_dev etnaviv gpu_sched imx_ipu_v3 4] bfe0: 00000004 bed41788 b6e774[ 118.719356] CPU: 2 PID: 2544 Comm: cat Tainted: G D W 5.10.154-cip20 #1 cf b6dfd7e6 # [ 118.16709[7 ] 18.729949] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) Code: e34a3bcd e3010bb8 e34c01ad [ 118.739011] PC is at lkdtm_WRITE_RO_AFTER_INIT+0x64/0x70 e0233002 (e5843000) # [ 118.17[ 118.747190] LR is at __irq_work_queue_local+0x40/0x74 3224] ---[ end trace b65577c[8 f 118.755084] pc : [] lr : [] psr: 600e0013 ca8973 ]--- # WRITE_RO: m[i s s118.763952] sp : c6d47e50 ip : c6d47d58 fp : c6d47e64 ng 'call trace:': [FAIL] n[o t 18.771692] r10: 00000014 r9 : c1ad0dc0 r8 : c15e8634 ok 39 selftests: lkdtm[: W1R1I8.779433] r7 : c6d47f60 r6 : 00000014 r5 : c6d3f000 r4 : c1b83c60 E_RO.sh # exit=1 # selfte[s t s118.788307] r3 : fe67479e r2 : 55aa55aa r1 : ef7ab5e0 r0 : c1ad1bb8 lkdtm: WRITE_RO_AFTER_INIT.sh[ 118.797352] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 118.807177] Control: 10c5387d Table: 16ecc04a DAC: 00000051 [ 118.812945] Process cat (pid: 2544, stack limit = 0xbe283d61) [ 118.818715] Stack: (0xc6d47e50 to 0xc6d48000) [ 118.823101] 7e40: 00000029 c6d3f000 c6d47e74 c6d47e68 [ 118.831314] 7e60: c0c2f288 c138e6f0 c6d47e9c c6d47e78 c0c2f788 c0c2f268 c0c2f668 c685edc0 [ 118.839524] 7e80: b6dd0000 00000014 c5322600 c6d47f60 c6d47ec4 c6d47ea0 c07f6198 c0c2f674 [ 118.847733] 7ea0: 00000000 c685edc0 b6dd0000 c2816000 c6d47f60 c07f6134 c6d47f5c c6d47ec8 [ 118.855942] 7ec0: c0598c20 c07f6140 00000001 00000000 c05991b4 c13a3e08 c05991b4 c6d46000 [ 118.864150] 7ee0: b6dd0000 00020000 00000004 00000014 0001ffec c6d47ee0 00000001 b6dcf000 [ 118.872358] 7f00: c5a0b040 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 118.880566] 7f20: 00000000 00000000 c13a3e08 af6386a5 c205cfa0 c685edc0 c685edc0 c6d46000 [ 118.888775] 7f40: b6dd0000 00000000 00000000 00000004 c6d47f94 c6d47f60 c05991b4 c0598b20 [ 118.896984] 7f60: 00000000 00000000 c6d47fac af6386a5 00000014 00000014 b6f17e00 00000004 [ 118.905193] 7f80: c03002e4 c6d46000 c6d47fa4 c6d47f98 c0599244 c059914c 00000000 c6d47fa8 [ 118.913402] 7fa0: c03000c0 c0599238 00000014 00000014 00000001 b6dd0000 00000014 00000000 [ 118.921612] 7fc0: 00000014 00000014 b6f17e00 00000004 00000001 00000000 00020000 be9aba54 [ 118.929821] 7fe0: 00000004 be9ab788 b6e824cf b6e087e6 800e0030 00000001 00000000 00000000 [ 118.938014] Backtrace: [ 118.940525] [] (lkdtm_WRITE_RO_AFTER_INIT) from [] (lkdtm_do_action+0x2c/0x4c) [ 118.949511] r5:c6d3f000 r4:00000029 [ 118.953126] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 118.961172] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 118.969123] r9:c6d47f60 r8:c5322600 r7:00000014 r6:b6dd0000 r5:c685edc0 r4:c0c2f668 [ 118.976907] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 118.984767] r9:c07f6134 r8:c6d47f60 r7:c2816000 r6:b6dd0000 r5:c685edc0 r4:00000000 [ 118.992545] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 118.999710] r10:00000004 r9:00000000 r8:00000000 r7:b6dd0000 r6:c6d46000 r5:c685edc0 [ 119.007560] r4:c685edc0 [ 119.010129] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 119.017297] r9:c6d46000 r8:c03002e4 r7:00000004 r6:b6f17e00 r5:00000014 r4:00000014 [ 119.025075] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 119.032668] Exception stack(0xc6d47fa8 to 0xc6d47ff0) [ 119.037748] 7fa0: 00000014 00000014 00000001 b6dd0000 00000014 00000000 [ 119.045957] 7fc0: 00000014 00000014 b6f17e00 00000004 00000001 00000000 00020000 be9aba54 [ 119.054159] 7fe0: 00000004 be9ab788 b6e824cf b6e087e6 [ 119.059241] Code: e34a3bcd e3010bb8 e34c01ad e0233002 (e5843000) [ 119.065369] ---[ end trace b65577c8fbca8974 ]--- # Segmentation fault # [ 118.635319] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT # [ 118.643439] lkdtm: attempting bad ro_after_init write at c1b83c60 # [ 118.651863] 8<--- cut here --- # [ 118.657721] Unable to handle kernel paging request at virtual address c1b83c60 # [ 118.667635] pgd = 8f085c1c # [ 118.673029] [c1b83c60] *pgd=11a1941e(bad) # [ 118.679911] Internal error: Oops: 80d [#13] SMP ARM # [ 118.687646] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic parallel_display dw_hdmi_imx dw_hdmi snd_soc_sgtl5000 snd_soc_core imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imxdrm flexcan can_dev etnaviv gpu_sched imx_ipu_v3 # [ 118.719356] CPU: 2 PID: 2544 Comm: cat Tainted: G D W 5.10.154-cip20 #1 # [ 118.729949] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 118.739011] PC is at lkdtm_WRITE_RO_AFTER_INIT+0x64/0x70 # [ 118.747190] LR is at __irq_work_queue_local+0x40/0x74 # [ 118.755084] pc : [] lr : [] psr: 600e0013 # [ 118.763952] sp : c6d47e50 ip : c6d47d58 fp : c6d47e64 # [ 118.771692] r10: 00000014 r9 : c1ad0dc0 r8 : c15e8634 # [ 118.779433] r7 : c6d47f60 r6 : 00000014 r5 : c6d3f000 r4 : c1b83c60 # [ 118.788307] r3 : fe67479e r2 : 55aa55aa r1 : ef7ab5e0 r0 : c1ad1bb8 # [ 118.797352] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 118.807177] Control: 10c5387d Table: 16ecc04a DAC: 00000051 # [ 118.812945] Process cat (pid: 2544, stack limit = 0xbe283d61) # [ 118.818715] Stack: (0xc6d47e50 to 0xc6d48000) # [ 118.823101] 7e40: 00000029 c6d3f000 c6d47e74 c6d47e68 # [ 118.831314] 7e60: c0c2f288 c138e6f0 c6d47e9c c6d47e78 c0c2f788 c0c2f268 c0c2f668 c685edc0 # [ 118.839524] 7e80: b6dd0000 00000014 c5322600 c6d47f60 c6d47ec4 c6d47ea0 c07f6198 c0c2f674 # [ 118.847733] 7ea0: 00000000 c685edc0 b6dd0000 c2816000 c6d47f60 c07f6134 c6d47f5c c6d47ec8 # [ 118.855942] 7ec0: c0598c20 c07f6140 00000001 00000000 c05991b4 c13a3e08 c05991b4 c6d46000 # [ 118.864150] 7ee0: b6dd0000 00020000 00000004 00000014 0001ffec c6d47ee0 00000001 b6dcf000 # [ 118.872358] 7f00: c5a0b040 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 118.880566] 7f20: 00000000 00000000 c13a3e08 af6386a5 c205cfa0 c685edc0 c685edc0 c6d46000 # [ 118.888775] 7f40: b6dd0000 00000000 00000000 00000004 c6d47f94 c6d47f60 c05991b4 c0598b20 # [ 118.896984] 7f60: 00000000 00000000 c6d47fac af6386a5 00000014 00000014 b6f17e00 00000004 # [ 118.905193] 7f80: c03002e4 c6d46000 c6d47fa4 c6d47f98 c0599244 c059914c 00000000 c6d47fa8 # [ 118.913402] 7fa0: c03000c0 c0599238 00000014 00000014 00000001 b6dd0000 00000014 00000000 # [ 118.921612] 7fc0: 00000014 00000014 b6f17e00 00000004 00000001 00000000 00020000 be9aba54 # [ 118.929821] 7fe0: 00000004 be9ab788 b6e824cf b6e087e6 800e0030 00000001 00000000 00000000 # [ 118.938014] Backtrace: # [ 118.940525] [] (lkdtm_WRITE_RO_AFTER_INIT) from [] (lkdtm_do_action+0x2c/0x4c) # [ 118.949511] r5:c6d3f000 r4:00000029 # [ 118.953126] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 118.961172] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 118.969123] r9:c6d47f60 r8:c5322600 r7:00000014 r6:b6dd0000 r5:c685edc0 r4:c0c2f668 # [ 118.976907] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 118.984767] r9:c07f6134 r8:c6d47f60 r7:c2816000 r6:b6dd0000 r5:c685edc0 r4:00000000 # [ 118.992545] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 118.999710] r10:00000004 r9:00000000 r8:00000000 r7:b6dd0000 r6:c6d46000 r5:c685edc0 # [ 119.007560] r4:c685edc0 # [ 119.010129] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 119.017297] r9:c6d46000 r8:c03002e4 r7:00000004 r6:[ 119.554006] lkdtm: Performing direct entry WRITE_KERN b6f17e00 r5:00000014 r[4 : 010109.561578] lkdtm: attempting bad 7726532 byte write at c138e5bc 0014 # [ 119.025075] [] (sys_write) from[ [ <1c1093.075853] Unable to handle kernel paging request at virtual address c138e5bc 00c0>] (ret[_ f a1s1t9_.s5y8s5c2a4] pgd = 8bf03706 ll+0x0/0x28) # [ 119.032668] Ex 119.589776] [c138e5bc] *pgd=1121940e(bad) ception stack(0xc6d47f[a 8 1t1o9.596569] Internal error: Oops: 80d [#14] SMP ARM 0xc6d47ff0) # [ 119.037748] 7fa[ 119.603785] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic parallel_display dw_hdmi_imx dw_hdmi snd_soc_sgtl5000 snd_soc_core imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imxdrm flexcan can_dev etnaviv gpu_sched imx_ipu_v3 0: [0 0 0101090635491] CPU: 3 PID: 2618 Comm: cat Tainted: G D W 5.10.154-cip20 #1 14 000000[1 4 101090.0604050418 ] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) b6dd0000 00000014 000000[0 0 1 19.653755] PC is at memcpy+0x50/0x330 [ 119.045957] [7 f c101:9. 6050930] LR is at 0xe92dd830 000014 000[0 0 011149 .b666f510765] pc : [] lr : [] psr: 200e0013 00 00000004[ 0 0101090.060713 106] sp : c70cfe2c ip : e1a0c00d fp : c70cfe64 0000000 000[2 0 010109 .b6e890a2b2] r10: 0000000b r9 : c1ad0dd4 r8 : e89da800 a54 # [ 119[. 0 5141195.96]8 7751] r7 : e8bd4000 r6 : e52de004 r5 : e24cb004 r4 : e92dd800 fe0: 000[0 0 010149 .b6e995a6b875] r3 : e1a0c00d r2 : 0075e524 r1 : c0c30018 r0 : c138e5bc 8 b6e824cf b6e0[ 8 71e169 . 7#0 3952] Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none 119.05924[1 ] 1C1o9d.e7:1 3e030] Control: 10c5387d Table: 16d5c04a DAC: 00000051 4a3bcd e3010b[b 8 1e1394.c70210a48] Process cat (pid: 2618, stack limit = 0x8b002c78) d e0233002[ ( e151894.37020803)04] Stack: (0xc70cfe2c to 0xc70d0000) # [ 119.065369][ - -1-1[9 .e734491] fe20: c0c2fff8 0075e5c4 c70cff60 c15e8634 c138e5bc d trace b65577c8fbca8[9 7 41 1]9.744838] fe40: c138e5bc c138e7a0 0000002a c6c84000 0000000b c70cff60 c70cfe74 c70cfe68 -- # WRITE_RO_AFTER[_ I N1I1T9:.755270] fe60: c0c2f288 c138e760 c70cfe9c c70cfe78 c0c2f788 c0c2f268 c0c2f668 c449cb40 missing 'call trac[e : '1:1 9[.F765702] fe80: b6e98000 0000000b c5322600 c70cff60 c70cfec4 c70cfea0 c07f6198 c0c2f674 IL] not ok 40 self[t e s1t1s9:. 76049] fea0: 00000000 c449cb40 b6e98000 c2816000 c70cff60 c07f6134 c70cff5c c70cfec8 lkdtm: WRITE_RO_AF[T E R1_1I9N.I786397] fec0: c0598c20 c07f6140 00000001 00000000 c05991b4 c13a3e08 c05991b4 c70ce000 .sh # exit=1 # sel[f t e11s9t.s796744] fee0: b6e98000 00020000 00000004 0000000b 0001fff5 c70cfee0 00000001 b6e97000 lkdtm: WRITE_KER[N . s1h1 9 .807090] ff00: c6a32c80 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 119.817264] ff20: 00000000 00000000 c13a3e08 b3d05d97 c205cfa0 c449cb40 c449cb40 c70ce000 [ 119.825453] ff40: b6e98000 00000000 00000000 00000004 c70cff94 c70cff60 c05991b4 c0598b20 [ 119.833642] ff60: 00000000 00000000 c70cffac b3d05d97 0000000b 0000000b b6fdfe00 00000004 [ 119.841830] ff80: c03002e4 c70ce000 c70cffa4 c70cff98 c0599244 c059914c 00000000 c70cffa8 [ 119.850020] ffa0: c03000c0 c0599238 0000000b 0000000b 00000001 b6e98000 0000000b 00000000 [ 119.858211] ffc0: 0000000b 0000000b b6fdfe00 00000004 00000001 00000000 00020000 be898a54 [ 119.866399] ffe0: 00000004 be898788 b6f4a4cf b6ed07e6 800e0030 00000001 00000000 00000000 [ 119.874581] Backtrace: [ 119.877062] [] (lkdtm_WRITE_KERN) from [] (lkdtm_do_action+0x2c/0x4c) [ 119.885253] r7:c70cff60 r6:0000000b r5:c6c84000 r4:0000002a [ 119.890931] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 119.898955] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 119.906884] r9:c70cff60 r8:c5322600 r7:0000000b r6:b6e98000 r5:c449cb40 r4:c0c2f668 [ 119.914646] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 119.922490] r9:c07f6134 r8:c70cff60 r7:c2816000 r6:b6e98000 r5:c449cb40 r4:00000000 [ 119.930247] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 119.937396] r10:00000004 r9:00000000 r8:00000000 r7:b6e98000 r6:c70ce000 r5:c449cb40 [ 119.945232] r4:c449cb40 [ 119.947779] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 119.954925] r9:c70ce000 r8:c03002e4 r7:00000004 r6:b6fdfe00 r5:0000000b r4:0000000b [ 119.962684] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 119.970259] Exception stack(0xc70cffa8 to 0xc70cfff0) [ 119.975322] ffa0: 0000000b 0000000b 00000001 b6e98000 0000000b 00000000 [ 119.983512] ffc0: 0000000b 0000000b b6fdfe00 00000004 00000001 00000000 00020000 be898a54 [ 119.991701] ffe0: 00000004 be898788 b6f4a4cf b6ed07e6 [ 119.996765] Code: f5d1f05c f5d1f07c e8b151f8 e2522020 (e8a051f8) [ 120.002875] ---[ end trace b65577c8fbca8975 ]--- # Segmentation fault # [ 119.554006] lkdtm: Performing direct entry WRITE_KERN # [ 119.561578] lkdtm: attempting bad 7726532 byte write at c138e5bc # [ 119.570066] 8<--- cut here --- # [ 119.575853] Unable to handle kernel paging request at virtual address c138e5bc # [ 119.585244] pgd = 8bf03706 # [ 119.589776] [c138e5bc] *pgd=1121940e(bad) # [ 119.596569] Internal error: Oops: 80d [#14] SMP ARM # [ 119.603785] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic parallel_display dw_hdmi_imx dw_hdmi snd_soc_sgtl5000 snd_soc_core imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imxdrm flexcan can_dev etnaviv gpu_sched imx_ipu_v3 # [ 119.635491] CPU: 3 PID: 2618 Comm: cat Tainted: G D W 5.10.154-cip20 #1 # [ 119.645482] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 119.653755] PC is at memcpy+0x50/0x330 # [ 119.659930] LR is at 0xe92dd830 # [ 119.665065] pc : [] lr : [] psr: 200e0013 # [ 119.673156] sp : c70cfe2c ip : e1a0c00d fp : c70cfe64 # [ 119.680202] r10: 0000000b r9 : c1ad0dd4 r8 : e89da800 # [ 119.687251] r7 : e8bd4000 r6 : e52de004 r5 : e24cb004 r4 : e92dd800 # [ 119.695685] r3 : e1a0c00d r2 : 0075e524 r1 : c0c30018 r0 : c138e5bc # [ 119.703952] Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 119.713080] Control: 10c5387d Table: 16d5c04a DAC: 00000051 # [ 119.720648] Process cat (pid: 2618, stack limit = 0x8b002c78) # [ 119.728304] Stack: (0xc70cfe2c to 0xc70d0000) # [ 119.734491] fe20: c0c2fff8 0075e5c4 c70cff60 c15e8634 c138e5bc # [ 119.744838] fe40: c138e5bc c138e7a0 0000002a c6c84000 0000000b c70cff60 c70cfe74 c70cfe68 # [ 119.755270] fe60: c0c2f288 c138e760 c70cfe9c c70cfe78 c0c2f788 c0c2f268 c0c2f668 c449cb40 # [ 119.765702] fe80: b6e98000 0000000b c5322600 c70cff60 c70cfec4 c70cfea0 c07f6198 c0c2f674 # [ 119.776049] fea0: 00000000 c449cb40 b6e98000 c2816000 c70cff60 c07f6134 c70cff5c c70cfec8 # [ 119.786397] fec0: c0598c20 c07f6140 00000001 00000000 c05991b4 c13a3e08 c05991b4 c70ce000 # [ 119.796744] fee0: b6e98000 00020000 00000004 0000000b 0001fff5 c70cfee0 00000001 b6e97000 # [ 119.807090] ff00: c6a32c80 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 119.817264] ff20: 00000000 00000000 c13a3e08 b3d05d97 c205cfa0 c449cb40 c449cb40 c70ce000 # [ 119.825453] ff40: b6e98000 00000000 00000000 00000004 c70cff94 c70cff60 c05991b4 c0598b20 # [ 119.833642] ff60: 00000000 00000000 c70cffac b3d05d97 0000000b 0000000b b6fdfe00 00000004 # [ 119.841830] ff80: c03002e4 c70ce000 c70cffa4 c70cff98 c0599244 c059914c 00000000 c70cffa8 # [ 119.850020] ffa0: c03000c0 c0599238 0000000b 0000000b 00000001 b6e98000 0000000b 00000000 # [ 119.858211] ffc0: 0000000b 0000000b b6fdfe00 00000004 00000001 00000000 00020000 be898a54 # [ 119.866399] ffe0: 00000004 be898788 b6f4a4cf b6ed07e6 800e0030 00000001 00000000 00000000 # [ 119.874581] Backtrace: # [ 119.877062] [] (lkdtm_WRITE_KERN) from [] (lkdtm_do_action+0x2c/0x4c) # [ 119.885253] r7:c70cff60 r6:0000000b r5:c6c84000 r4:0000002a # [ 119.890931] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 119.898955] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 119.906884] r9:c70cff60 r8:c5322600 r7:0000000b r6:b6e98000 r5:c449cb40 r4:c0c2f668 # [ 119.914646] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 119.922490] r9:c07f6134 r8:c70cff60 r7:c2816000 r6:b6e98000 r5:c449cb40 r4:00000000 # [ 119.930247] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 119.937396] r10:00000004 r9:00000000 r8:00000000 r7:b6e98000 r6:c70ce000 r5:c449cb40 # [ 119.945232] r4:c449cb40 # [ 119.947779] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 119.954925] r9:c70ce000 r8:c03002e4 r7:00000004 r6:b6fdfe00 r5:0000000b r4:000[ 120.498945] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW 0000b # [ 119.962684] [] (sys_write) from [][ 120.515598] lkdtm: attempting bad refcount_inc() overflow (ret_fast_syscall+0x0/0x28) # [[ 120.523835] ------------[ cut here ]------------ 119.970259] Exception stack(0xc[ 120.531348] WARNING: CPU: 2 PID: 2693 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 70cffa8 to 0xc70cfff0) # [ 119.[ 120.542656] refcount_t: saturated; leaking memory. 975322] ffa0: 0[ 120.550275] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic parallel_display dw_hdmi_imx dw_hdmi snd_soc_sgtl5000 snd_soc_core imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imxdrm flexcan can_dev etnaviv gpu_sched imx_ipu_v3 000000b 0000000b 00000001 b6e9800[ 120.582000] CPU: 2 PID: 2693 Comm: cat Tainted: G D W 5.10.154-cip20 #1 0 000000[0 b 102000.0509020505 1] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 119.983512] [f f c102:0 .0600814] Backtrace: 00000b 0000000b b6fdfe00 00000004[ 120.605362] [] (dump_backtrace) from [] (show_stack+0x20/0x24) 00000001 0000000[0 102000.26015781] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7f4 00 be898a54 # [ 119.99[1 7 1021.623526] [] (show_stack) from [] (dump_stack+0xe0/0x100) ] ffe0: 00000004 be89[8 7 8182 0b633175] [] (dump_stack) from [] (__warn+0xfc/0x16c) 6f4a4cf b6ed07[e 6 1 2#0 .[6 4 2386] r9:00000009 r8:c086e63c r7:00000016 r6:00000009 r5:c086e63c r4:c1a24e80 19.996765] Code: f5[d 1 f10250c. 52126] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) f5d1f07c e8b1[5 1 f1820 .e626512773] r7:00000016 r6:c1a24e80 r5:c1a24e58 r4:c59b8000 020 (e8a051f8) # [ [1 2 01.200669347] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) 02875] ---[ e[n d 1t2r0a.c6e8 0b55] r9:c1ad0de0 r8:c15e8634 r7:c59b9f60 r6:00000016 r5:c6d3f000 r4:c59b8000 65577c8fbca8975 ]--- # [W R I1T20.690212] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) _KERN: missing 'call tr[a c e1:2'.702293] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_OVERFLOW+0x78/0x9c) : [FAIL] not ok 41 selft[e s t1s0.714722] [] (lkdtm_REFCOUNT_INC_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) : lkdtm:[ W R1I2T0E._7K2E6R2N7.1] r4:0000002b h # exit=1 # selftes[t s :1 2l0k730548] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) dtm: REFCOUNT_INC_OVERFL[O W .1s20.740809] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 120.751147] r9:c59b9f60 r8:c5322600 r7:00000016 r6:b6e91000 r5:c449c640 r4:c0c2f668 [ 120.759066] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 120.766904] r9:c07f6134 r8:c59b9f60 r7:c2816000 r6:b6e91000 r5:c449c640 r4:00000000 [ 120.774655] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 120.781797] r10:00000004 r9:00000000 r8:00000000 r7:b6e91000 r6:c59b8000 r5:c449c640 [ 120.789630] r4:c449c640 [ 120.792174] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 120.799317] r9:c59b8000 r8:c03002e4 r7:00000004 r6:b6fd8e00 r5:00000016 r4:00000016 [ 120.807071] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 120.814646] Exception stack(0xc59b9fa8 to 0xc59b9ff0) [ 120.819707] 9fa0: 00000016 00000016 00000001 b6e91000 00000016 00000000 [ 120.827894] 9fc0: 00000016 00000016 b6fd8e00 00000004 00000001 00000000 00020000 bed73a54 [ 120.836077] 9fe0: 00000004 bed73788 b6f434cf b6ec97e6 [ 120.841198] irq event stamp: 0 [ 120.844298] hardirqs last enabled at (0): [<00000000>] 0x0 [ 120.849892] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 120.857431] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 120.865001] softirqs last disabled at (0): [<00000000>] 0x0 [ 120.870589] ---[ end trace b65577c8fbca8976 ]--- [ 120.875254] lkdtm: Overflow detected: saturated # [ 120.498945] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW # [ 120.506602] lkdtm: attempting good refcount_inc() without overflow # [ 120.515598] lkdtm: attempting bad refcount_inc() overflow # [ 120.523835] ------------[ cut here ]------------ # [ 120.531348] WARNING: CPU: 2 PID: 2693 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 120.542656] refcount_t: saturated; leaking memory. # [ 120.550275] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic parallel_display dw_hdmi_imx dw_hdmi snd_soc_sgtl5000 snd_soc_core imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imxdrm flexcan can_dev etnaviv gpu_sched imx_ipu_v3 # [ 120.582000] CPU: 2 PID: 2693 Comm: cat Tainted: G D W 5.10.154-cip20 #1 # [ 120.592551] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 120.600814] Backtrace: # [ 120.605362] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 120.615781] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7f4 # [ 120.623526] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 120.633175] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 120.642386] r9:00000009 r8:c086e63c r7:00000016 r6:00000009 r5:c086e63c r4:c1a24e80 # [ 120.652126] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 120.661773] r7:00000016 r6:c1a24e80 r5:c1a24e58 r4:c59b8000 # [ 120.669347] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 120.680555] r9:c1ad0de0 r8:c15e8634 r7:c59b9f60 r6:00000016 r5:c6d3f000 r4:c59b8000 # [ 120.690212] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 120.702293] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_OVERFLOW+0x78/0x9c) # [ 120.714722] [] (lkdtm_REFCOUNT_INC_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 120.726271] r4:0000002b # [ 120.730548] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 120.740809] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 120.751147] r9:c59b9f60 r8:c5322600 r7:00000016 r6:b6e91000 r5:c449c640 r4:c0c2f668 # [ 120.759066] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 120.766904] r9:c07f6134 r8:c59b9f60 r7:c2816000 r6:b6e91000 r5:c449c640 r4:00000000 # [ 120.774655] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 120.781797] r10:00000004 r9:00000000 r8:00000000 r7:b6e91000 r6:c59b8000 r5:c449c640 # [ 120.789630] r4:c449c640 # [ 120.792174] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 120.799317] r9:c59b8000 r8:c03002e4 r7:00000004 r6:b6fd8e00 r5:00000016 r4:00000016 # [ 120.807071] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 120.814646] Exception stack(0xc59b9fa8 to 0xc59b9ff0) # [ 120.819707] 9fa0: 00000016 00000016 00000001 b6e91000 00000016 00000000 # [ 120.827894] 9fc0: 00000016 00000016 b6fd8e00 00000004 00000001 00000000 00020000 bed73a54 # [ 120.836077] 9fe0: 00000004 bed73788 b6f434cf b6ec97e6 # [ 120.841198] irq event stamp: 0 # [ 120.844298] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 120.849892] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 120.857431] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 120.865001] softirqs last disabled at (0): [<00000000>] 0x0 # [ 120.870589] ---[ end trace b65577c8fbca8976 ]--- # [ 120.875254] lkdtm: Overflow detected: saturated # REFCOUNT_INC_OVERFLOW: missing 'call trace:': [FAIL] not ok[ 121.289805] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW 42 selftests: lkdtm: REFCOUNT_IN[ 121.298141] lkdtm: attempting good refcount_add() without overflow C_OVERFLOW.sh # exit=1 # selftes[ 121.307193] lkdtm: attempting bad refcount_add() overflow ts: lkdtm: REFCOUNT_ADD_OVERFLOW.[ 121.315441] ------------[ cut here ]------------ sh [ 121.322898] WARNING: CPU: 2 PID: 2727 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 [ 121.331696] refcount_t: saturated; leaking memory. [ 121.336536] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic parallel_display dw_hdmi_imx dw_hdmi snd_soc_sgtl5000 snd_soc_core imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imxdrm flexcan can_dev etnaviv gpu_sched imx_ipu_v3 [ 121.365781] CPU: 2 PID: 2727 Comm: cat Tainted: G D W 5.10.154-cip20 #1 [ 121.373535] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 121.380070] Backtrace: [ 121.382556] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 121.390140] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7f4 [ 121.395818] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 121.403148] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 121.410124] r9:00000009 r8:c086e63c r7:00000016 r6:00000009 r5:c086e63c r4:c1a24e80 [ 121.417881] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 121.425374] r7:00000016 r6:c1a24e80 r5:c1a24e58 r4:c6d66000 [ 121.431053] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) [ 121.440023] r9:c1ad0df8 r8:c15e8634 r7:c6d67f60 r6:00000016 r5:c6d3f000 r4:c6d66000 [ 121.447786] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) [ 121.457457] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_OVERFLOW+0x84/0xa8) [ 121.467563] [] (lkdtm_REFCOUNT_ADD_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) [ 121.476700] r4:0000002c [ 121.479250] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 121.487272] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 121.495201] r9:c6d67f60 r8:c5322600 r7:00000016 r6:b6dd1000 r5:c449d7c0 r4:c0c2f668 [ 121.502963] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 121.510804] r9:c07f6134 r8:c6d67f60 r7:c2816000 r6:b6dd1000 r5:c449d7c0 r4:00000000 [ 121.518560] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 121.525706] r10:00000004 r9:00000000 r8:00000000 r7:b6dd1000 r6:c6d66000 r5:c449d7c0 [ 121.533542] r4:c449d7c0 [ 121.536088] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 121.543235] r9:c6d66000 r8:c03002e4 r7:00000004 r6:b6f18e00 r5:00000016 r4:00000016 [ 121.550992] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 121.558570] Exception stack(0xc6d67fa8 to 0xc6d67ff0) [ 121.563635] 7fa0: 00000016 00000016 00000001 b6dd1000 00000016 00000000 [ 121.571828] 7fc0: 00000016 00000016 b6f18e00 00000004 00000001 00000000 00020000 befd4a54 [ 121.580014] 7fe0: 00000004 befd4788 b6e834cf b6e097e6 [ 121.585150] irq event stamp: 0 [ 121.588229] hardirqs last enabled at (0): [<00000000>] 0x0 [ 121.593856] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 121.601361] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 121.608927] softirqs last disabled at (0): [<00000000>] 0x0 [ 121.614566] ---[ end trace b65577c8fbca8977 ]--- [ 121.619202] lkdtm: Overflow detected: saturated # [ 121.289805] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW # [ 121.298141] lkdtm: attempting good refcount_add() without overflow # [ 121.307193] lkdtm: attempting bad refcount_add() overflow # [ 121.315441] ------------[ cut here ]------------ # [ 121.322898] WARNING: CPU: 2 PID: 2727 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 121.331696] refcount_t: saturated; leaking memory. # [ 121.336536] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic parallel_display dw_hdmi_imx dw_hdmi snd_soc_sgtl5000 snd_soc_core imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imxdrm flexcan can_dev etnaviv gpu_sched imx_ipu_v3 # [ 121.365781] CPU: 2 PID: 2727 Comm: cat Tainted: G D W 5.10.154-cip20 #1 # [ 121.373535] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 121.380070] Backtrace: # [ 121.382556] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 121.390140] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7f4 # [ 121.395818] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 121.403148] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 121.410124] r9:00000009 r8:c086e63c r7:00000016 r6:00000009 r5:c086e63c r4:c1a24e80 # [ 121.417881] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 121.425374] r7:00000016 r6:c1a24e80 r5:c1a24e58 r4:c6d66000 # [ 121.431053] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 121.440023] r9:c1ad0df8 r8:c15e8634 r7:c6d67f60 r6:00000016 r5:c6d3f000 r4:c6d66000 # [ 121.447786] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 121.457457] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_OVERFLOW+0x84/0xa8) # [ 121.467563] [] (lkdtm_REFCOUNT_ADD_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 121.476700] r4:0000002c # [ 121.479250] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 121.487272] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 121.495201] r9:c6d67f60 r8:c5322600 r7:00000016 r6:b6dd1000 r5:c449d7c0 r4:c0c2f668 # [ 121.502963] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 121.510804] r9:c07f6134 r8:c6d67f60 r7:c2816000 r6:b6dd1000 r5:c449d7c0 r4:00000000 # [ 121.518560] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 121.525706] r10:00000004 r9:00000000 r8:00000000 r7:b6dd1000 r6:c6d66000 r5:c449d7c0 # [ 121.533542] r4:c449d7c0 # [ 121.536088] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 121.543235] r9:c6d66000 r8:c03002e4 r7:00000004 r6:b6f18e00 r5:00000016 r4:00000016 # [ 121.550992] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 121.558570] Exception stack(0xc6d67fa8 to 0xc6d67ff0) # [ 121.563635] 7fa0: 00000016 00000016 00000001 b6dd1000 00000016 00000000 # [ 121.571828] 7fc0: 00000016 00000016 b6f18e00 00000004 00000001 00000000 00020000 befd4a54 # [ 121.580014] 7fe0: 00000004 befd4788 b6e834cf b6e097e6 # [ 121.585150] irq event stamp: 0 # [ 121.588229] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 121.593856] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 121.601361] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 121.608927] softirqs last disabled at (0): [<00000000>] 0x0 # [ 121.614566] ---[ end trace b65577c8fbca8977 ]--- # [ 121.619202] lkdtm: Overflow detected: saturated # REFCOUNT_ADD_OVERFLOW: missing 'call trace:': [FAIL] not ok 43 self[ 122.038360] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW tests: lkdtm: REFCOUNT_ADD_OVERFL[ 122.046852] lkdtm: attempting bad refcount_inc_not_zero() overflow OW.sh # exit=1 # selftests: lkdt[ 122.055734] ------------[ cut here ]------------ m: REFCOUNT_INC_NOT_ZERO_OVERFLOW[ 122.063180] WARNING: CPU: 2 PID: 2761 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 .sh [ 122.074562] refcount_t: saturated; leaking memory. [ 122.079699] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic parallel_display dw_hdmi_imx dw_hdmi snd_soc_sgtl5000 snd_soc_core imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imxdrm flexcan can_dev etnaviv gpu_sched imx_ipu_v3 [ 122.109257] CPU: 2 PID: 2761 Comm: cat Tainted: G D W 5.10.154-cip20 #1 [ 122.117008] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 122.123540] Backtrace: [ 122.126016] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 122.133595] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7f4 [ 122.139268] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 122.146591] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 122.153562] r9:00000009 r8:c086e608 r7:00000013 r6:00000009 r5:c086e608 r4:c1a24e80 [ 122.161316] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 122.168807] r7:00000013 r6:c1a24e80 r5:c1a24e58 r4:c6fc6000 [ 122.174482] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) [ 122.183450] r9:c1ad0e10 r8:c15e8634 r7:c6fc7f60 r6:0000001f r5:c696f000 r4:7fffffff [ 122.191210] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) [ 122.201656] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x50/0x88) [ 122.213310] r5:c696f000 r4:c6fc6000 [ 122.216903] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) [ 122.226820] r4:0000002d [ 122.229365] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 122.237382] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 122.245307] r9:c6fc7f60 r8:c5322600 r7:0000001f r6:b6ea6000 r5:c6a32140 r4:c0c2f668 [ 122.253062] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 122.260901] r9:c07f6134 r8:c6fc7f60 r7:c2816000 r6:b6ea6000 r5:c6a32140 r4:00000000 [ 122.268652] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 122.275796] r10:00000004 r9:00000000 r8:00000000 r7:b6ea6000 r6:c6fc6000 r5:c6a32140 [ 122.283629] r4:c6a32140 [ 122.286172] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 122.293314] r9:c6fc6000 r8:c03002e4 r7:00000004 r6:b6fede00 r5:0000001f r4:0000001f [ 122.301068] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 122.308642] Exception stack(0xc6fc7fa8 to 0xc6fc7ff0) [ 122.313704] 7fa0: 0000001f 0000001f 00000001 b6ea6000 0000001f 00000000 [ 122.321890] 7fc0: 0000001f 0000001f b6fede00 00000004 00000001 00000000 00020000 bef4ca54 [ 122.330073] 7fe0: 00000004 bef4c788 b6f584cf b6ede7e6 [ 122.335165] irq event stamp: 0 [ 122.338238] hardirqs last enabled at (0): [<00000000>] 0x0 [ 122.343853] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 122.351374] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 122.358940] softirqs last disabled at (0): [<00000000>] 0x0 [ 122.364562] ---[ end trace b65577c8fbca8978 ]--- [ 122.369205] lkdtm: Overflow detected: saturated # [ 122.038360] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 122.046852] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 122.055734] ------------[ cut here ]------------ # [ 122.063180] WARNING: CPU: 2 PID: 2761 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 122.074562] refcount_t: saturated; leaking memory. # [ 122.079699] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic parallel_display dw_hdmi_imx dw_hdmi snd_soc_sgtl5000 snd_soc_core imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imxdrm flexcan can_dev etnaviv gpu_sched imx_ipu_v3 # [ 122.109257] CPU: 2 PID: 2761 Comm: cat Tainted: G D W 5.10.154-cip20 #1 # [ 122.117008] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 122.123540] Backtrace: # [ 122.126016] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 122.133595] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7f4 # [ 122.139268] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 122.146591] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 122.153562] r9:00000009 r8:c086e608 r7:00000013 r6:00000009 r5:c086e608 r4:c1a24e80 # [ 122.161316] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 122.168807] r7:00000013 r6:c1a24e80 r5:c1a24e58 r4:c6fc6000 # [ 122.174482] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 122.183450] r9:c1ad0e10 r8:c15e8634 r7:c6fc7f60 r6:0000001f r5:c696f000 r4:7fffffff # [ 122.191210] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 122.201656] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x50/0x88) # [ 122.213310] r5:c696f000 r4:c6fc6000 # [ 122.216903] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 122.226820] r4:0000002d # [ 122.229365] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 122.237382] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 122.245307] r9:c6fc7f60 r8:c5322600 r7:0000001f r6:b6ea6000 r5:c6a32140 r4:c0c2f668 # [ 122.253062] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 122.260901] r9:c07f6134 r8:c6fc7f60 r7:c2816000 r6:b6ea6000 r5:c6a32140 r4:00000000 # [ 122.268652] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 122.275796] r10:00000004 r9:00000000 r8:00000000 r7:b6ea6000 r6:c6fc6000 r5:c6a32140 # [ 122.283629] r4:c6a32140 # [ 122.286172] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 122.293314] r9:c6fc6000 r8:c03002e4 r7:00000004 r6:b6fede00 r5:0000001f r4:0000001f # [ 122.301068] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 122.308642] Exception stack(0xc6fc7fa8 to 0xc6fc7ff0) # [ 122.313704] 7fa0: 0000001f 0000001f 00000001 b6ea6000 0000001f 00000000 # [ 122.321890] 7fc0: 0000001f 0000001f b6fede00 00000004 00000001 00000000 00020000 bef4ca54 # [ 122.330073] 7fe0: 00000004 bef4c788 b6f584cf b6ede7e6 # [ 122.335165] irq event stamp: 0 # [ 122.338238] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 122.343853] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 122.351374] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 122.358940] softirqs last disabled at (0): [<00000000>] 0x0 # [ 122.364562] ---[ end trace b65577c8fbca8978 ]--- # [ 122.369205] lkdtm: Overflow detected: saturated # REFCOUNT_INC_NOT_ZERO_OVERFLOW: missing 'call tra[ 122.789966] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW ce:': [FAIL] not ok 44 selftests[ 122.798466] lkdtm: attempting bad refcount_add_not_zero() overflow : lkdtm: REFCOUNT_INC_NOT_ZERO_OV[ 122.807545] ------------[ cut here ]------------ ERFLOW.sh # exit=1 # selftests: [ 122.815078] WARNING: CPU: 0 PID: 2795 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 lkdtm: REFCOUNT_ADD_NOT_ZERO_OVER[ 122.826392] refcount_t: saturated; leaking memory. FLOW.sh [ 122.834066] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic parallel_display dw_hdmi_imx dw_hdmi snd_soc_sgtl5000 snd_soc_core imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imxdrm flexcan can_dev etnaviv gpu_sched imx_ipu_v3 [ 122.863741] CPU: 0 PID: 2795 Comm: cat Tainted: G D W 5.10.154-cip20 #1 [ 122.871494] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 122.878031] Backtrace: [ 122.880515] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 122.888097] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7f4 [ 122.893777] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 122.901109] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 122.908084] r9:00000009 r8:c086e608 r7:00000013 r6:00000009 r5:c086e608 r4:c1a24e80 [ 122.915842] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 122.923335] r7:00000013 r6:c1a24e80 r5:c1a24e58 r4:c6b94000 [ 122.929014] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) [ 122.937985] r9:c1ad0e30 r8:c15e8634 r7:c6b95f60 r6:0000001f r5:c6bad000 r4:7fffffff [ 122.945749] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) [ 122.956200] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x50/0x88) [ 122.967857] r5:c6bad000 r4:c6b94000 [ 122.971455] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) [ 122.981375] r4:0000002e [ 122.983925] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 122.991947] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 122.999874] r9:c6b95f60 r8:c5322600 r7:0000001f r6:b6e96000 r5:c5a0be00 r4:c0c2f668 [ 123.007636] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 123.015477] r9:c07f6134 r8:c6b95f60 r7:c2816000 r6:b6e96000 r5:c5a0be00 r4:00000000 [ 123.023233] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 123.030379] r10:00000004 r9:00000000 r8:00000000 r7:b6e96000 r6:c6b94000 r5:c5a0be00 [ 123.038215] r4:c5a0be00 [ 123.040761] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 123.047908] r9:c6b94000 r8:c03002e4 r7:00000004 r6:b6fdde00 r5:0000001f r4:0000001f [ 123.055666] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 123.063243] Exception stack(0xc6b95fa8 to 0xc6b95ff0) [ 123.068308] 5fa0: 0000001f 0000001f 00000001 b6e96000 0000001f 00000000 [ 123.076498] 5fc0: 0000001f 0000001f b6fdde00 00000004 00000001 00000000 00020000 bea5fa54 [ 123.084683] 5fe0: 00000004 bea5f788 b6f484cf b6ece7e6 [ 123.089824] irq event stamp: 0 [ 123.092903] hardirqs last enabled at (0): [<00000000>] 0x0 [ 123.098540] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 123.106075] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 123.113594] softirqs last disabled at (0): [<00000000>] 0x0 [ 123.119295] ---[ end trace b65577c8fbca8979 ]--- [ 123.123971] lkdtm: Overflow detected: saturated # [ 122.789966] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 122.798466] lkdtm: attempting bad refcount_add_not_zero() overflow # [ 122.807545] ------------[ cut here ]------------ # [ 122.815078] WARNING: CPU: 0 PID: 2795 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 122.826392] refcount_t: saturated; leaking memory. # [ 122.834066] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic parallel_display dw_hdmi_imx dw_hdmi snd_soc_sgtl5000 snd_soc_core imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imxdrm flexcan can_dev etnaviv gpu_sched imx_ipu_v3 # [ 122.863741] CPU: 0 PID: 2795 Comm: cat Tainted: G D W 5.10.154-cip20 #1 # [ 122.871494] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 122.878031] Backtrace: # [ 122.880515] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 122.888097] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7f4 # [ 122.893777] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 122.901109] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 122.908084] r9:00000009 r8:c086e608 r7:00000013 r6:00000009 r5:c086e608 r4:c1a24e80 # [ 122.915842] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 122.923335] r7:00000013 r6:c1a24e80 r5:c1a24e58 r4:c6b94000 # [ 122.929014] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 122.937985] r9:c1ad0e30 r8:c15e8634 r7:c6b95f60 r6:0000001f r5:c6bad000 r4:7fffffff # [ 122.945749] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 122.956200] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x50/0x88) # [ 122.967857] r5:c6bad000 r4:c6b94000 # [ 122.971455] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 122.981375] r4:0000002e # [ 122.983925] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 122.991947] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 122.999874] r9:c6b95f60 r8:c5322600 r7:0000001f r6:b6e96000 r5:c5a0be00 r4:c0c2f668 # [ 123.007636] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 123.015477] r9:c07f6134 r8:c6b95f60 r7:c2816000 r6:b6e96000 r5:c5a0be00 r4:00000000 # [ 123.023233] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 123.030379] r10:00000004 r9:00000000 r8:00000000 r7:b6e96000 r6:c6b94000 r5:c5a0be00 # [ 123.038215] r4:c5a0be00 # [ 123.040761] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 123.047908] r9:c6b94000 r8:c03002e4 r7:00000004 r6:b6fdde00 r5:0000001f r4:0000001f # [ 123.055666] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 123.063243] Exception stack(0xc6b95fa8 to 0xc6b95ff0) # [ 123.068308] 5fa0: 0000001f 0000001f 00000001 b6e96000 0000001f 00000000 # [ 123.076498] 5fc0: 0000001f 0000001f b6fdde00 00000004 00000001 00000000 00020000 bea5fa54 # [ 123.084683] 5fe0: 00000004 bea5f788 b6f484cf b6ece7e6 # [ 123.089824] irq event stamp: 0 # [ 123.092903] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 123.098540] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 123.106075] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 123.113594] softirqs last disabled at (0): [<00000000>] 0x0 # [ 123.119295] ---[ end trace b65577c8fbca8979 ]--- # [ 123.123971] lkdtm: Overflow detected: saturated # REFCOUNT_ADD_NOT_ZERO_OVERFLOW: missing 'call trace:': [FAIL] not [ 123.556117] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO ok 45 selftests: lkdtm: REFCOUNT_[ 123.563677] lkdtm: attempting good refcount_dec() ADD_NOT_ZERO_OVERFLOW.sh # exit=1[ 123.571353] lkdtm: attempting bad refcount_dec() to zero # selftests: lkdtm: REFCOUNT_DE[ 123.579552] ------------[ cut here ]------------ C_ZERO.sh [ 123.587061] WARNING: CPU: 0 PID: 2829 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 [ 123.596537] refcount_t: decrement hit 0; leaking memory. [ 123.601863] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic parallel_display dw_hdmi_imx dw_hdmi snd_soc_sgtl5000 snd_soc_core imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imxdrm flexcan can_dev etnaviv gpu_sched imx_ipu_v3 [ 123.631115] CPU: 0 PID: 2829 Comm: cat Tainted: G D W 5.10.154-cip20 #1 [ 123.638868] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 123.645402] Backtrace: [ 123.647887] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 123.655471] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7f4 [ 123.661149] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 123.668478] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 123.675452] r9:00000009 r8:c086e5d4 r7:0000001f r6:00000009 r5:c086e5d4 r4:c1a24e80 [ 123.683209] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 123.690701] r7:0000001f r6:c1a24e80 r5:c1a24ee4 r4:c6b94000 [ 123.696379] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) [ 123.705351] r9:c1ad0e50 r8:c15e8634 r7:c6b95f60 r6:00000012 r5:c6946000 r4:c6b94000 [ 123.713113] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) [ 123.722782] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_ZERO+0x5c/0xd8) [ 123.732543] [] (lkdtm_REFCOUNT_DEC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) [ 123.741336] r4:0000002f [ 123.743886] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 123.751907] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 123.759835] r9:c6b95f60 r8:c5322600 r7:00000012 r6:b6dd8000 r5:c59a52c0 r4:c0c2f668 [ 123.767597] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 123.775439] r9:c07f6134 r8:c6b95f60 r7:c2816000 r6:b6dd8000 r5:c59a52c0 r4:00000000 [ 123.783195] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 123.790341] r10:00000004 r9:00000000 r8:00000000 r7:b6dd8000 r6:c6b94000 r5:c59a52c0 [ 123.798176] r4:c59a52c0 [ 123.800722] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 123.807868] r9:c6b94000 r8:c03002e4 r7:00000004 r6:b6f1fe00 r5:00000012 r4:00000012 [ 123.815626] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 123.823203] Exception stack(0xc6b95fa8 to 0xc6b95ff0) [ 123.828269] 5fa0: 00000012 00000012 00000001 b6dd8000 00000012 00000000 [ 123.836461] 5fc0: 00000012 00000012 b6f1fe00 00000004 00000001 00000000 00020000 bef99a54 [ 123.844647] 5fe0: 00000004 bef99788 b6e8a4cf b6e107e6 [ 123.849754] irq event stamp: 0 [ 123.852833] hardirqs last enabled at (0): [<00000000>] 0x0 [ 123.858467] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 123.866021] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 123.873528] softirqs last disabled at (0): [<00000000>] 0x0 [ 123.879170] ---[ end trace b65577c8fbca897a ]--- [ 123.883840] lkdtm: Zero detected: saturated # [ 123.556117] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO # [ 123.563677] lkdtm: attempting good refcount_dec() # [ 123.571353] lkdtm: attempting bad refcount_dec() to zero # [ 123.579552] ------------[ cut here ]------------ # [ 123.587061] WARNING: CPU: 0 PID: 2829 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 # [ 123.596537] refcount_t: decrement hit 0; leaking memory. # [ 123.601863] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic parallel_display dw_hdmi_imx dw_hdmi snd_soc_sgtl5000 snd_soc_core imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imxdrm flexcan can_dev etnaviv gpu_sched imx_ipu_v3 # [ 123.631115] CPU: 0 PID: 2829 Comm: cat Tainted: G D W 5.10.154-cip20 #1 # [ 123.638868] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 123.645402] Backtrace: # [ 123.647887] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 123.655471] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7f4 # [ 123.661149] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 123.668478] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 123.675452] r9:00000009 r8:c086e5d4 r7:0000001f r6:00000009 r5:c086e5d4 r4:c1a24e80 # [ 123.683209] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 123.690701] r7:0000001f r6:c1a24e80 r5:c1a24ee4 r4:c6b94000 # [ 123.696379] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) # [ 123.705351] r9:c1ad0e50 r8:c15e8634 r7:c6b95f60 r6:00000012 r5:c6946000 r4:c6b94000 # [ 123.713113] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) # [ 123.722782] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_ZERO+0x5c/0xd8) # [ 123.732543] [] (lkdtm_REFCOUNT_DEC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 123.741336] r4:0000002f # [ 123.743886] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 123.751907] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 123.759835] r9:c6b95f60 r8:c5322600 r7:00000012 r6:b6dd8000 r5:c59a52c0 r4:c0c2f668 # [ 123.767597] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 123.775439] r9:c07f6134 r8:c6b95f60 r7:c2816000 r6:b6dd8000 r5:c59a52c0 r4:00000000 # [ 123.783195] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 123.790341] r10:00000004 r9:00000000 r8:00000000 r7:b6dd8000 r6:c6b94000 r5:c59a52c0 # [ 123.798176] r4:c59a52c0 # [ 123.800722] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 123.807868] r9:c6b94000 r8:c03002e4 r7:00000004 r6:b6f1fe00 r5:00000012 r4:00000012 # [ 123.815626] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 123.823203] Exception stack(0xc6b95fa8 to 0xc6b95ff0) # [ 123.828269] 5fa0: 00000012 00000012 00000001 b6dd8000 00000012 00000000 # [ 123.836461] 5fc0: 00000012 00000012 b6f1fe00 00000004 00000001 00000000 00020000 bef99a54 # [ 123.844647] 5fe0: 00000004 bef99788 b6e8a4cf b6e107e6 # [ 123.849754] irq event stamp: 0 # [ 123.852833] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 123.858467] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 123.866021] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 123.873528] softirqs last disabled at (0): [<00000000>] 0x0 # [ 123.879170] ---[ end trace b65577c8fbca897a ]--- # [ 123.883840] 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 [ 124.332128] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE [ 124.338216] lkdtm: attempting bad refcount_dec() below zero [ 124.343863] ------------[ cut here ]------------ [ 124.348511] WARNING: CPU: 3 PID: 2866 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 [ 124.356991] refcount_t: decrement hit 0; leaking memory. [ 124.362315] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic parallel_display dw_hdmi_imx dw_hdmi snd_soc_sgtl5000 snd_soc_core imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imxdrm flexcan can_dev etnaviv gpu_sched imx_ipu_v3 [ 124.391486] CPU: 3 PID: 2866 Comm: cat Tainted: G D W 5.10.154-cip20 #1 [ 124.399238] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 124.405770] Backtrace: [ 124.408244] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 124.415824] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7f4 [ 124.421498] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 124.428822] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 124.435793] r9:00000009 r8:c086e5d4 r7:0000001f r6:00000009 r5:c086e5d4 r4:c1a24e80 [ 124.443546] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 124.451035] r7:0000001f r6:c1a24e80 r5:c1a24ee4 r4:c70ca000 [ 124.456707] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) [ 124.465674] r9:c1ad0e64 r8:c15e8634 r7:c70cbf60 r6:00000016 r5:00000000 r4:c70ca000 [ 124.473431] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) [ 124.483095] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_NEGATIVE+0x48/0x70) [ 124.493199] [] (lkdtm_REFCOUNT_DEC_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) [ 124.502336] r5:c6c8c000 r4:00000030 [ 124.505924] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 124.513940] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 124.521866] r9:c70cbf60 r8:c5322600 r7:00000016 r6:b6e3a000 r5:c5dd0500 r4:c0c2f668 [ 124.529621] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 124.537458] r9:c07f6134 r8:c70cbf60 r7:c2816000 r6:b6e3a000 r5:c5dd0500 r4:00000000 [ 124.545210] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 124.552353] r10:00000004 r9:00000000 r8:00000000 r7:b6e3a000 r6:c70ca000 r5:c5dd0500 [ 124.560186] r4:c5dd0500 [ 124.562731] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 124.569873] r9:c70ca000 r8:c03002e4 r7:00000004 r6:b6f81e00 r5:00000016 r4:00000016 [ 124.577626] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 124.585200] Exception stack(0xc70cbfa8 to 0xc70cbff0) [ 124.590262] bfa0: 00000016 00000016 00000001 b6e3a000 00000016 00000000 [ 124.598448] bfc0: 00000016 00000016 b6f81e00 00000004 00000001 00000000 00020000 be858a54 [ 124.606631] bfe0: 00000004 be858788 b6eec4cf b6e727e6 [ 124.611740] irq event stamp: 0 [ 124.614835] hardirqs last enabled at (0): [<00000000>] 0x0 [ 124.620426] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 124.627989] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 124.635543] softirqs last disabled at (0): [<00000000>] 0x0 [ 124.641130] ---[ end trace b65577c8fbca897b ]--- [ 124.645787] lkdtm: Negative detected: saturated # [ 124.332128] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 124.338216] lkdtm: attempting bad refcount_dec() below zero # [ 124.343863] ------------[ cut here ]------------ # [ 124.348511] WARNING: CPU: 3 PID: 2866 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 # [ 124.356991] refcount_t: decrement hit 0; leaking memory. # [ 124.362315] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic parallel_display dw_hdmi_imx dw_hdmi snd_soc_sgtl5000 snd_soc_core imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imxdrm flexcan can_dev etnaviv gpu_sched imx_ipu_v3 # [ 124.391486] CPU: 3 PID: 2866 Comm: cat Tainted: G D W 5.10.154-cip20 #1 # [ 124.399238] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 124.405770] Backtrace: # [ 124.408244] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 124.415824] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7f4 # [ 124.421498] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 124.428822] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 124.435793] r9:00000009 r8:c086e5d4 r7:0000001f r6:00000009 r5:c086e5d4 r4:c1a24e80 # [ 124.443546] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 124.451035] r7:0000001f r6:c1a24e80 r5:c1a24ee4 r4:c70ca000 # [ 124.456707] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) # [ 124.465674] r9:c1ad0e64 r8:c15e8634 r7:c70cbf60 r6:00000016 r5:00000000 r4:c70ca000 # [ 124.473431] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) # [ 124.483095] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_NEGATIVE+0x48/0x70) # [ 124.493199] [] (lkdtm_REFCOUNT_DEC_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 124.502336] r5:c6c8c000 r4:00000030 # [ 124.505924] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 124.513940] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 124.521866] r9:c70cbf60 r8:c5322600 r7:00000016 r6:b6e3a000 r5:c5dd0500 r4:c0c2f668 # [ 124.529621] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 124.537458] r9:c07f6134 r8:c70cbf60 r7:c2816000 r6:b6e3a000 r5:c5dd0500 r4:00000000 # [ 124.545210] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 124.552353] r10:00000004 r9:00000000 r8:00000000 r7:b6e3a000 r6:c70ca000 r5:c5dd0500 # [ 124.560186] r4:c5dd0500 # [ 124.562731] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 124.569873] r9:c70ca000 r8:c03002e4 r7:00000004 r6:b6f81e00 r5:00000016 r4:00000016 # [ 124.577626] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 124.585200] Exception stack(0xc70cbfa8 to 0xc70cbff0) # [ 124.590262] bfa0: 00000016 00000016 00000001 b6e3a000 00000016 00000000 # [ 124.598448] bfc0: 00000016 00000016 b6f81e00 00000004 00000001 00000000 00020000 be858a54 # [ 124.606631] bfe0: 00000004 be858788 b6eec4cf b6e727e6 # [ 124.611740] irq event stamp: 0 # [ 124.614835] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 124.620426] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 124.627989] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 124.635543] softirqs last disabled at (0): [<00000000>] 0x0 # [ 124.641130] ---[ end trace b65577c8fbca897b ]--- # [ 124.645787] 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 [ 125.087482] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE [ 125.094360] lkdtm: attempting bad refcount_dec_and_test() below zero [ 125.100727] ------------[ cut here ]------------ [ 125.105417] WARNING: CPU: 2 PID: 2901 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 [ 125.113994] refcount_t: underflow; use-after-free. [ 125.118797] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic parallel_display dw_hdmi_imx dw_hdmi snd_soc_sgtl5000 snd_soc_core imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imxdrm flexcan can_dev etnaviv gpu_sched imx_ipu_v3 [ 125.147981] CPU: 2 PID: 2901 Comm: cat Tainted: G D W 5.10.154-cip20 #1 [ 125.155732] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 125.162266] Backtrace: [ 125.164744] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 125.172323] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7f4 [ 125.177997] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 125.185321] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 125.192293] r9:00000009 r8:c086e6a4 r7:0000001c r6:00000009 r5:c086e6a4 r4:c1a24e80 [ 125.200047] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 125.207536] r7:0000001c r6:c1a24e80 r5:c1a24ebc r4:c5a2a000 [ 125.213210] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) [ 125.222265] r9:c1ad0e7c r8:c15e8634 r7:c5a2bf60 r6:0000001f r5:00000000 r4:c5a2a000 [ 125.230023] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) [ 125.240472] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x50/0x8c) [ 125.252138] [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) [ 125.262057] r5:c6d3f000 r4:00000031 [ 125.265644] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 125.273661] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 125.281586] r9:c5a2bf60 r8:c5322600 r7:0000001f r6:b6ea8000 r5:c59a4000 r4:c0c2f668 [ 125.289342] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 125.297181] r9:c07f6134 r8:c5a2bf60 r7:c2816000 r6:b6ea8000 r5:c59a4000 r4:00000000 [ 125.304934] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 125.312077] r10:00000004 r9:00000000 r8:00000000 r7:b6ea8000 r6:c5a2a000 r5:c59a4000 [ 125.319910] r4:c59a4000 [ 125.322453] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 125.329596] r9:c5a2a000 r8:c03002e4 r7:00000004 r6:b6fefe00 r5:0000001f r4:0000001f [ 125.337351] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 125.344925] Exception stack(0xc5a2bfa8 to 0xc5a2bff0) [ 125.349986] bfa0: 0000001f 0000001f 00000001 b6ea8000 0000001f 00000000 [ 125.358170] bfc0: 0000001f 0000001f b6fefe00 00000004 00000001 00000000 00020000 be925a54 [ 125.366353] bfe0: 00000004 be925788 b6f5a4cf b6ee07e6 [ 125.371483] irq event stamp: 0 [ 125.374577] hardirqs last enabled at (0): [<00000000>] 0x0 [ 125.380167] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 125.387701] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 125.395242] softirqs last disabled at (0): [<00000000>] 0x0 [ 125.400836] ---[ end trace b65577c8fbca897c ]--- [ 125.405530] lkdtm: Negative detected: saturated # [ 125.087482] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 125.094360] lkdtm: attempting bad refcount_dec_and_test() below zero # [ 125.100727] ------------[ cut here ]------------ # [ 125.105417] WARNING: CPU: 2 PID: 2901 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 125.113994] refcount_t: underflow; use-after-free. # [ 125.118797] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic parallel_display dw_hdmi_imx dw_hdmi snd_soc_sgtl5000 snd_soc_core imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imxdrm flexcan can_dev etnaviv gpu_sched imx_ipu_v3 # [ 125.147981] CPU: 2 PID: 2901 Comm: cat Tainted: G D W 5.10.154-cip20 #1 # [ 125.155732] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 125.162266] Backtrace: # [ 125.164744] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 125.172323] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7f4 # [ 125.177997] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 125.185321] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 125.192293] r9:00000009 r8:c086e6a4 r7:0000001c r6:00000009 r5:c086e6a4 r4:c1a24e80 # [ 125.200047] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 125.207536] r7:0000001c r6:c1a24e80 r5:c1a24ebc r4:c5a2a000 # [ 125.213210] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 125.222265] r9:c1ad0e7c r8:c15e8634 r7:c5a2bf60 r6:0000001f r5:00000000 r4:c5a2a000 # [ 125.230023] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 125.240472] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x50/0x8c) # [ 125.252138] [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 125.262057] r5:c6d3f000 r4:00000031 # [ 125.265644] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 125.273661] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 125.281586] r9:c5a2bf60 r8:c5322600 r7:0000001f r6:b6ea8000 r5:c59a4000 r4:c0c2f668 # [ 125.289342] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 125.297181] r9:c07f6134 r8:c5a2bf60 r7:c2816000 r6:b6ea8000 r5:c59a4000 r4:00000000 # [ 125.304934] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 125.312077] r10:00000004 r9:00000000 r8:00000000 r7:b6ea8000 r6:c5a2a000 r5:c59a4000 # [ 125.319910] r4:c59a4000 # [ 125.322453] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 125.329596] r9:c5a2a000 r8:c03002e4 r7:00000004 r6:b6fefe00 r5:0000001f r4:0000001f # [ 125.337351] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 125.344925] Exception stack(0xc5a2bfa8 to 0xc5a2bff0) # [ 125.349986] bfa0: 0000001f 0000001f 00000001 b6ea8000 0000001f 00000000 # [ 125.358170] bfc0: 0000001f 0000001f b6fefe00 00000004 00000001 00000000 00020000 be925a54 # [ 125.366353] bfe0: 00000004 be925788 b6f5a4cf b6ee07e6 # [ 125.371483] irq event stamp: 0 # [ 125.374577] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 125.380167] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 125.387701] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 125.395242] softirqs last disabled at (0): [<00000000>] 0x0 # [ 125.400836] ---[ end trace b65577c8fbca897c ]--- # [ 125.405530] 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 [ 125.851571] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE [ 125.858591] lkdtm: attempting bad refcount_sub_and_test() below zero [ 125.865027] ------------[ cut here ]------------ [ 125.869682] WARNING: CPU: 0 PID: 2936 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 [ 125.878352] refcount_t: underflow; use-after-free. [ 125.883183] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic parallel_display dw_hdmi_imx dw_hdmi snd_soc_sgtl5000 snd_soc_core imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imxdrm flexcan can_dev etnaviv gpu_sched imx_ipu_v3 [ 125.912440] CPU: 0 PID: 2936 Comm: cat Tainted: G D W 5.10.154-cip20 #1 [ 125.920190] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 125.926723] Backtrace: [ 125.929200] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 125.936780] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7f4 [ 125.942454] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 125.949778] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 125.956749] r9:00000009 r8:c086e6a4 r7:0000001c r6:00000009 r5:c086e6a4 r4:c1a24e80 [ 125.964502] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 125.971991] r7:0000001c r6:c1a24e80 r5:c1a24ebc r4:c6d5a000 [ 125.977666] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) [ 125.986719] r9:c1ad0e9c r8:c15e8634 r7:c6d5bf60 r6:0000001f r5:c706a000 r4:c6d5a000 [ 125.994474] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) [ 126.004924] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x50/0x8c) [ 126.016588] [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) [ 126.026505] r4:00000032 [ 126.029051] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 126.037069] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 126.044993] r9:c6d5bf60 r8:c5322600 r7:0000001f r6:b6e57000 r5:c685e280 r4:c0c2f668 [ 126.052751] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 126.060589] r9:c07f6134 r8:c6d5bf60 r7:c2816000 r6:b6e57000 r5:c685e280 r4:00000000 [ 126.068340] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 126.075483] r10:00000004 r9:00000000 r8:00000000 r7:b6e57000 r6:c6d5a000 r5:c685e280 [ 126.083317] r4:c685e280 [ 126.085861] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 126.093003] r9:c6d5a000 r8:c03002e4 r7:00000004 r6:b6f9ee00 r5:0000001f r4:0000001f [ 126.100756] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 126.108330] Exception stack(0xc6d5bfa8 to 0xc6d5bff0) [ 126.113391] bfa0: 0000001f 0000001f 00000001 b6e57000 0000001f 00000000 [ 126.121579] bfc0: 0000001f 0000001f b6f9ee00 00000004 00000001 00000000 00020000 bed57a54 [ 126.129763] bfe0: 00000004 bed57788 b6f094cf b6e8f7e6 [ 126.134860] irq event stamp: 0 [ 126.137934] hardirqs last enabled at (0): [<00000000>] 0x0 [ 126.143522] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 126.151073] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 126.158630] softirqs last disabled at (0): [<00000000>] 0x0 [ 126.164241] ---[ end trace b65577c8fbca897d ]--- [ 126.168870] lkdtm: Negative detected: saturated # [ 125.851571] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 125.858591] lkdtm: attempting bad refcount_sub_and_test() below zero # [ 125.865027] ------------[ cut here ]------------ # [ 125.869682] WARNING: CPU: 0 PID: 2936 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 125.878352] refcount_t: underflow; use-after-free. # [ 125.883183] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic parallel_display dw_hdmi_imx dw_hdmi snd_soc_sgtl5000 snd_soc_core imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imxdrm flexcan can_dev etnaviv gpu_sched imx_ipu_v3 # [ 125.912440] CPU: 0 PID: 2936 Comm: cat Tainted: G D W 5.10.154-cip20 #1 # [ 125.920190] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 125.926723] Backtrace: # [ 125.929200] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 125.936780] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7f4 # [ 125.942454] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 125.949778] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 125.956749] r9:00000009 r8:c086e6a4 r7:0000001c r6:00000009 r5:c086e6a4 r4:c1a24e80 # [ 125.964502] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 125.971991] r7:0000001c r6:c1a24e80 r5:c1a24ebc r4:c6d5a000 # [ 125.977666] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 125.986719] r9:c1ad0e9c r8:c15e8634 r7:c6d5bf60 r6:0000001f r5:c706a000 r4:c6d5a000 # [ 125.994474] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 126.004924] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x50/0x8c) # [ 126.016588] [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 126.026505] r4:00000032 # [ 126.029051] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 126.037069] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 126.044993] r9:c6d5bf60 r8:c5322600 r7:0000001f r6:b6e57000 r5:c685e280 r4:c0c2f668 # [ 126.052751] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 126.060589] r9:c07f6134 r8:c6d5bf60 r7:c2816000 r6:b6e57000 r5:c685e280 r4:00000000 # [ 126.068340] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 126.075483] r10:00000004 r9:00000000 r8:00000000 r7:b6e57000 r6:c6d5a000 r5:c685e280 # [ 126.083317] r4:c685e280 # [ 126.085861] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 126.093003] r9:c6d5a000 r8:c03002e4 r7:00000004 r6:b6f9ee00 r5:0000001f r4:0000001f # [ 126.100756] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 126.108330] Exception stack(0xc6d5bfa8 to 0xc6d5bff0) # [ 126.113391] bfa0: 0000001f 0000001f 00000001 b6e57000 0000001f 00000000 # [ 126.121579] bfc0: 0000001f 0000001f b6f9ee00 00000004 00000001 00000000 00020000 bed57a54 # [ 126.129763] bfe0: 00000004 bed57788 b6f094cf b6e8f7e6 # [ 126.134860] irq event stamp: 0 # [ 126.137934] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 126.143522] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 126.151073] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 126.158630] softirqs last disabled at (0): [<00000000>] 0x0 # [ 126.164241] ---[ end trace b65577c8fbca897d ]--- # [ 126.168870] lkdtm: Negative detected: saturated # REFCOUNT_SUB_AND_TEST_NEGATIVE: saw 'Negative detected: [ 126.607061] lkdtm: Performing direct entry REFCOUNT_INC_ZERO saturated': ok o[k 14296 .s6e13243] lkdtm: attempting safe refcount_inc_not_zero() from zero ftests: lkdtm: REFCOUNT_SUB_AND_T[ 126.621768] lkdtm: Good: zero detected EST_NEGATIVE.sh # selftests: lkd[ 126.628430] lkdtm: Correctly stayed at zero tm: REFCOUNT_INC_ZERO.sh [ 126.635389] lkdtm: attempting bad refcount_inc() from zero [ 126.643095] ------------[ cut here ]------------ [ 126.647775] WARNING: CPU: 1 PID: 2968 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 [ 126.656402] refcount_t: addition on 0; use-after-free. [ 126.661553] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic parallel_display dw_hdmi_imx dw_hdmi snd_soc_sgtl5000 snd_soc_core imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imxdrm flexcan can_dev etnaviv gpu_sched imx_ipu_v3 [ 126.690742] CPU: 1 PID: 2968 Comm: cat Tainted: G D W 5.10.154-cip20 #1 [ 126.698493] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 126.705024] Backtrace: [ 126.707499] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 126.715078] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7f4 [ 126.720751] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 126.728074] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 126.735044] r9:00000009 r8:c086e670 r7:00000019 r6:00000009 r5:c086e670 r4:c1a24e80 [ 126.742798] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 126.750288] r7:00000019 r6:c1a24e80 r5:c1a24e90 r4:c682a000 [ 126.755962] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) [ 126.765017] r9:c1ad0ebc r8:c15e8634 r7:c682bf60 r6:00000012 r5:00000000 r4:c682a000 [ 126.772773] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) [ 126.782438] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_ZERO+0xa8/0xcc) [ 126.792193] [] (lkdtm_REFCOUNT_INC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) [ 126.800983] r5:c470e000 r4:00000033 [ 126.804569] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 126.812586] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 126.820511] r9:c682bf60 r8:c5322600 r7:00000012 r6:b6e31000 r5:c685fb80 r4:c0c2f668 [ 126.828266] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 126.836104] r9:c07f6134 r8:c682bf60 r7:c2816000 r6:b6e31000 r5:c685fb80 r4:00000000 [ 126.843855] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 126.850998] r10:00000004 r9:00000000 r8:00000000 r7:b6e31000 r6:c682a000 r5:c685fb80 [ 126.858832] r4:c685fb80 [ 126.861375] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 126.868518] r9:c682a000 r8:c03002e4 r7:00000004 r6:b6f78e00 r5:00000012 r4:00000012 [ 126.876272] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 126.883847] Exception stack(0xc682bfa8 to 0xc682bff0) [ 126.888907] bfa0: 00000012 00000012 00000001 b6e31000 00000012 00000000 [ 126.897093] bfc0: 00000012 00000012 b6f78e00 00000004 00000001 00000000 00020000 bea34a54 [ 126.905277] bfe0: 00000004 bea34788 b6ee34cf b6e697e6 [ 126.910380] irq event stamp: 0 [ 126.913452] hardirqs last enabled at (0): [<00000000>] 0x0 [ 126.919068] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 126.926626] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 126.934203] softirqs last disabled at (0): [<00000000>] 0x0 [ 126.939797] ---[ end trace b65577c8fbca897e ]--- [ 126.944481] lkdtm: Zero detected: saturated # [ 126.607061] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 126.613243] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 126.621768] lkdtm: Good: zero detected # [ 126.628430] lkdtm: Correctly stayed at zero # [ 126.635389] lkdtm: attempting bad refcount_inc() from zero # [ 126.643095] ------------[ cut here ]------------ # [ 126.647775] WARNING: CPU: 1 PID: 2968 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 # [ 126.656402] refcount_t: addition on 0; use-after-free. # [ 126.661553] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic parallel_display dw_hdmi_imx dw_hdmi snd_soc_sgtl5000 snd_soc_core imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imxdrm flexcan can_dev etnaviv gpu_sched imx_ipu_v3 # [ 126.690742] CPU: 1 PID: 2968 Comm: cat Tainted: G D W 5.10.154-cip20 #1 # [ 126.698493] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 126.705024] Backtrace: # [ 126.707499] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 126.715078] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7f4 # [ 126.720751] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 126.728074] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 126.735044] r9:00000009 r8:c086e670 r7:00000019 r6:00000009 r5:c086e670 r4:c1a24e80 # [ 126.742798] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 126.750288] r7:00000019 r6:c1a24e80 r5:c1a24e90 r4:c682a000 # [ 126.755962] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) # [ 126.765017] r9:c1ad0ebc r8:c15e8634 r7:c682bf60 r6:00000012 r5:00000000 r4:c682a000 # [ 126.772773] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) # [ 126.782438] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_ZERO+0xa8/0xcc) # [ 126.792193] [] (lkdtm_REFCOUNT_INC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 126.800983] r5:c470e000 r4:00000033 # [ 126.804569] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 126.812586] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 126.820511] r9:c682bf60 r8:c5322600 r7:00000012 r6:b6e31000 r5:c685fb80 r4:c0c2f668 # [ 126.828266] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 126.836104] r9:c07f6134 r8:c682bf60 r7:c2816000 r6:b6e31000 r5:c685fb80 r4:00000000 # [ 126.843855] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 126.850998] r10:00000004 r9:00000000 r8:00000000 r7:b6e31000 r6:c682a000 r5:c685fb80 # [ 126.858832] r4:c685fb80 # [ 126.861375] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 126.868518] r9:c682a000 r8:c03002e4 r7:00000004 r6:b6f78e00 r5:00000012 r4:00000012 # [ 126.876272] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 126.883847] Exception stack(0xc682bfa8 to 0xc682bff0) # [ 126.888907] bfa0: 00000012 00000012 00000001 b6e31000 00000012 00000000 # [ 126.897093] bfc0: 00000012 00000012 b6f78e00 00000004 00000001 00000000 00020000 bea34a54 # [ 126.905277] bfe0: 00000004 bea34788 b6ee34cf b6e697e6 # [ 126.910380] irq event stamp: 0 # [ 126.913452] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 126.919068] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 126.926626] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 126.934203] softirqs last disabled at (0): [<00000000>] 0x0 # [ 126.939797] ---[ end trace b65577c8fbca897e ]--- # [ 126.944481] lkdtm: Zero detected: saturated # REFCOUNT_INC_ZERO: missing 'call trace:': [FAIL] not ok 50 selftests: lkdtm: REFCOUNT_INC_ZERO.sh # exit=1 # selftests: lkdtm: REFCOUNT_ADD_[ 127.388302] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO ZERO.sh [ 127.396680] lkdtm: attempting safe refcount_add_not_zero() from zero [ 127.403712] lkdtm: Good: zero detected [ 127.407510] lkdtm: Correctly stayed at zero [ 127.411708] lkdtm: attempting bad refcount_add() from zero [ 127.417337] ------------[ cut here ]------------ [ 127.422013] WARNING: CPU: 1 PID: 3002 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 [ 127.430575] refcount_t: addition on 0; use-after-free. [ 127.435752] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic parallel_display dw_hdmi_imx dw_hdmi snd_soc_sgtl5000 snd_soc_core imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imxdrm flexcan can_dev etnaviv gpu_sched imx_ipu_v3 [ 127.464918] CPU: 1 PID: 3002 Comm: cat Tainted: G D W 5.10.154-cip20 #1 [ 127.472667] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 127.479199] Backtrace: [ 127.481674] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 127.489252] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7f4 [ 127.494926] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 127.502248] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 127.509217] r9:00000009 r8:c086e670 r7:00000019 r6:00000009 r5:c086e670 r4:c1a24e80 [ 127.516969] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 127.524458] r7:00000019 r6:c1a24e80 r5:c1a24e90 r4:c6b94000 [ 127.530132] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) [ 127.539185] r9:c1ad0ed0 r8:c15e8634 r7:c6b95f60 r6:00000012 r5:00000000 r4:c6b94000 [ 127.546942] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) [ 127.556608] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_ZERO+0xa8/0xcc) [ 127.566360] [] (lkdtm_REFCOUNT_ADD_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) [ 127.575150] r5:c470e000 r4:00000034 [ 127.578737] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 127.586753] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 127.594680] r9:c6b95f60 r8:c5322600 r7:00000012 r6:b6e0b000 r5:c6a332c0 r4:c0c2f668 [ 127.602435] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 127.610273] r9:c07f6134 r8:c6b95f60 r7:c2816000 r6:b6e0b000 r5:c6a332c0 r4:00000000 [ 127.618024] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 127.625169] r10:00000004 r9:00000000 r8:00000000 r7:b6e0b000 r6:c6b94000 r5:c6a332c0 [ 127.633002] r4:c6a332c0 [ 127.635545] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 127.642687] r9:c6b94000 r8:c03002e4 r7:00000004 r6:b6f52e00 r5:00000012 r4:00000012 [ 127.650442] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 127.658016] Exception stack(0xc6b95fa8 to 0xc6b95ff0) [ 127.663078] 5fa0: 00000012 00000012 00000001 b6e0b000 00000012 00000000 [ 127.671266] 5fc0: 00000012 00000012 b6f52e00 00000004 00000001 00000000 00020000 bed85a54 [ 127.679448] 5fe0: 00000004 bed85788 b6ebd4cf b6e437e6 [ 127.684562] irq event stamp: 0 [ 127.687634] hardirqs last enabled at (0): [<00000000>] 0x0 [ 127.693223] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 127.700766] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 127.708311] softirqs last disabled at (0): [<00000000>] 0x0 [ 127.713937] ---[ end trace b65577c8fbca897f ]--- [ 127.718569] lkdtm: Zero detected: saturated # [ 127.388302] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 127.396680] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 127.403712] lkdtm: Good: zero detected # [ 127.407510] lkdtm: Correctly stayed at zero # [ 127.411708] lkdtm: attempting bad refcount_add() from zero # [ 127.417337] ------------[ cut here ]------------ # [ 127.422013] WARNING: CPU: 1 PID: 3002 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 # [ 127.430575] refcount_t: addition on 0; use-after-free. # [ 127.435752] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic parallel_display dw_hdmi_imx dw_hdmi snd_soc_sgtl5000 snd_soc_core imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imxdrm flexcan can_dev etnaviv gpu_sched imx_ipu_v3 # [ 127.464918] CPU: 1 PID: 3002 Comm: cat Tainted: G D W 5.10.154-cip20 #1 # [ 127.472667] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 127.479199] Backtrace: # [ 127.481674] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 127.489252] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7f4 # [ 127.494926] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 127.502248] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 127.509217] r9:00000009 r8:c086e670 r7:00000019 r6:00000009 r5:c086e670 r4:c1a24e80 # [ 127.516969] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 127.524458] r7:00000019 r6:c1a24e80 r5:c1a24e90 r4:c6b94000 # [ 127.530132] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) # [ 127.539185] r9:c1ad0ed0 r8:c15e8634 r7:c6b95f60 r6:00000012 r5:00000000 r4:c6b94000 # [ 127.546942] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) # [ 127.556608] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_ZERO+0xa8/0xcc) # [ 127.566360] [] (lkdtm_REFCOUNT_ADD_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 127.575150] r5:c470e000 r4:00000034 # [ 127.578737] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 127.586753] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 127.594680] r9:c6b95f60 r8:c5322600 r7:00000012 r6:b6e0b000 r5:c6a332c0 r4:c0c2f668 # [ 127.602435] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 127.610273] r9:c07f6134 r8:c6b95f60 r7:c2816000 r6:b6e0b000 r5:c6a332c0 r4:00000000 # [ 127.618024] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 127.625169] r10:00000004 r9:00000000 r8:00000000 r7:b6e0b000 r6:c6b94000 r5:c6a332c0 # [ 127.633002] r4:c6a332c0 # [ 127.635545] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 127.642687] r9:c6b94000 r8:c03002e4 r7:00000004 r6:b6f52e00 r5:00000012 r4:00000012 # [ 127.650442] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 127.658016] Exception stack(0xc6b95fa8 to 0xc6b95ff0) # [ 127.663078] 5fa0: 00000012 00000012 00000001 b6e0b000 00000012 00000000 # [ 127.671266] 5fc0: 00000012 00000012 b6f52e00 00000004 00000001 00000000 00020000 bed85a54 # [ 127.679448] 5fe0: 00000004 bed85788 b6ebd4cf b6e437e6 # [ 127.684562] irq event stamp: 0 # [ 127.687634] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 127.693223] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 127.700766] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 127.708311] softirqs last disabled at (0): [<00000000>] 0x0 # [ 127.713937] ---[ end trace b65577c8fbca897f ]--- # [ 127.718569] 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_SATUR[ 128.182233] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED ATED.sh [ 128.190228] lkdtm: attempting bad refcount_inc() from saturated [ 128.197054] ------------[ cut here ]------------ [ 128.201733] WARNING: CPU: 0 PID: 3039 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 [ 128.210219] refcount_t: saturated; leaking memory. [ 128.215058] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic parallel_display dw_hdmi_imx dw_hdmi snd_soc_sgtl5000 snd_soc_core imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imxdrm flexcan can_dev etnaviv gpu_sched imx_ipu_v3 [ 128.244312] CPU: 0 PID: 3039 Comm: cat Tainted: G D W 5.10.154-cip20 #1 [ 128.252061] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 128.258595] Backtrace: [ 128.261069] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 128.268650] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7f4 [ 128.274323] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 128.281647] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 128.288617] r9:00000009 r8:c086e63c r7:00000016 r6:00000009 r5:c086e63c r4:c1a24e80 [ 128.296370] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 128.303858] r7:00000016 r6:c1a24e80 r5:c1a24e58 r4:c5a76000 [ 128.309532] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) [ 128.318498] r9:c1ad0ee4 r8:c15e8634 r7:c5a77f60 r6:00000017 r5:c706d000 r4:c5a76000 [ 128.326255] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) [ 128.335921] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_SATURATED+0x4c/0x70) [ 128.346110] [] (lkdtm_REFCOUNT_INC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) [ 128.355332] r4:00000035 [ 128.357877] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 128.365895] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 128.373819] r9:c5a77f60 r8:c5322600 r7:00000017 r6:b6deb000 r5:c685e8c0 r4:c0c2f668 [ 128.381574] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 128.389413] r9:c07f6134 r8:c5a77f60 r7:c2816000 r6:b6deb000 r5:c685e8c0 r4:00000000 [ 128.397164] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 128.404309] r10:00000004 r9:00000000 r8:00000000 r7:b6deb000 r6:c5a76000 r5:c685e8c0 [ 128.412142] r4:c685e8c0 [ 128.414685] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 128.421829] r9:c5a76000 r8:c03002e4 r7:00000004 r6:b6f32e00 r5:00000017 r4:00000017 [ 128.429583] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 128.437157] Exception stack(0xc5a77fa8 to 0xc5a77ff0) [ 128.442218] 7fa0: 00000017 00000017 00000001 b6deb000 00000017 00000000 [ 128.450406] 7fc0: 00000017 00000017 b6f32e00 00000004 00000001 00000000 00020000 be850a54 [ 128.458591] 7fe0: 00000004 be850788 b6e9d4cf b6e237e6 [ 128.463697] irq event stamp: 0 [ 128.466795] hardirqs last enabled at (0): [<00000000>] 0x0 [ 128.472384] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 128.479927] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 128.487472] softirqs last disabled at (0): [<00000000>] 0x0 [ 128.493060] ---[ end trace b65577c8fbca8980 ]--- [ 128.497725] lkdtm: Saturation detected: still saturated # [ 128.182233] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 128.190228] lkdtm: attempting bad refcount_inc() from saturated # [ 128.197054] ------------[ cut here ]------------ # [ 128.201733] WARNING: CPU: 0 PID: 3039 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 128.210219] refcount_t: saturated; leaking memory. # [ 128.215058] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic parallel_display dw_hdmi_imx dw_hdmi snd_soc_sgtl5000 snd_soc_core imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imxdrm flexcan can_dev etnaviv gpu_sched imx_ipu_v3 # [ 128.244312] CPU: 0 PID: 3039 Comm: cat Tainted: G D W 5.10.154-cip20 #1 # [ 128.252061] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 128.258595] Backtrace: # [ 128.261069] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 128.268650] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7f4 # [ 128.274323] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 128.281647] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 128.288617] r9:00000009 r8:c086e63c r7:00000016 r6:00000009 r5:c086e63c r4:c1a24e80 # [ 128.296370] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 128.303858] r7:00000016 r6:c1a24e80 r5:c1a24e58 r4:c5a76000 # [ 128.309532] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 128.318498] r9:c1ad0ee4 r8:c15e8634 r7:c5a77f60 r6:00000017 r5:c706d000 r4:c5a76000 # [ 128.326255] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 128.335921] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_SATURATED+0x4c/0x70) # [ 128.346110] [] (lkdtm_REFCOUNT_INC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 128.355332] r4:00000035 # [ 128.357877] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 128.365895] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 128.373819] r9:c5a77f60 r8:c5322600 r7:00000017 r6:b6deb000 r5:c685e8c0 r4:c0c2f668 # [ 128.381574] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 128.389413] r9:c07f6134 r8:c5a77f60 r7:c2816000 r6:b6deb000 r5:c685e8c0 r4:00000000 # [ 128.397164] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 128.404309] r10:00000004 r9:00000000 r8:00000000 r7:b6deb000 r6:c5a76000 r5:c685e8c0 # [ 128.412142] r4:c685e8c0 # [ 128.414685] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 128.421829] r9:c5a76000 r8:c03002e4 r7:00000004 r6:b6f32e00 r5:00000017 r4:00000017 # [ 128.429583] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 128.437157] Exception stack(0xc5a77fa8 to 0xc5a77ff0) # [ 128.442218] 7fa0: 00000017 00000017 00000001 b6deb000 00000017 00000000 # [ 128.450406] 7fc0: 00000017 00000017 b6f32e00 00000004 00000001 00000000 00020000 be850a54 # [ 128.458591] 7fe0: 00000004 be850788 b6e9d4cf b6e237e6 # [ 128.463697] irq event stamp: 0 # [ 128.466795] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 128.472384] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 128.479927] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 128.487472] softirqs last disabled at (0): [<00000000>] 0x0 # [ 128.493060] ---[ end trace b65577c8fbca8980 ]--- # [ 128.497725] 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 [ 128.970572] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED [ 128.976807] lkdtm: attempting bad refcount_dec() from saturated [ 128.982771] ------------[ cut here ]------------ [ 128.987504] WARNING: CPU: 3 PID: 3074 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 [ 128.996128] refcount_t: decrement hit 0; leaking memory. [ 129.001478] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic parallel_display dw_hdmi_imx dw_hdmi snd_soc_sgtl5000 snd_soc_core imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imxdrm flexcan can_dev etnaviv gpu_sched imx_ipu_v3 [ 129.030655] CPU: 3 PID: 3074 Comm: cat Tainted: G D W 5.10.154-cip20 #1 [ 129.038406] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 129.044938] Backtrace: [ 129.047416] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 129.054997] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7f4 [ 129.060669] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 129.067994] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 129.074964] r9:00000009 r8:c086e5d4 r7:0000001f r6:00000009 r5:c086e5d4 r4:c1a24e80 [ 129.082720] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 129.090209] r7:0000001f r6:c1a24e80 r5:c1a24ee4 r4:c59b8000 [ 129.095884] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) [ 129.104849] r9:c1ad0efc r8:c15e8634 r7:c59b9f60 r6:00000017 r5:c4785000 r4:c59b8000 [ 129.112607] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) [ 129.122271] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_SATURATED+0x48/0x6c) [ 129.132463] [] (lkdtm_REFCOUNT_DEC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) [ 129.141685] r4:00000036 [ 129.144232] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 129.152249] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 129.160175] r9:c59b9f60 r8:c5322600 r7:00000017 r6:b6dea000 r5:c5aa2780 r4:c0c2f668 [ 129.167930] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 129.175767] r9:c07f6134 r8:c59b9f60 r7:c2816000 r6:b6dea000 r5:c5aa2780 r4:00000000 [ 129.183519] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 129.190662] r10:00000004 r9:00000000 r8:00000000 r7:b6dea000 r6:c59b8000 r5:c5aa2780 [ 129.198496] r4:c5aa2780 [ 129.201038] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 129.208181] r9:c59b8000 r8:c03002e4 r7:00000004 r6:b6f31e00 r5:00000017 r4:00000017 [ 129.215937] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 129.223512] Exception stack(0xc59b9fa8 to 0xc59b9ff0) [ 129.228575] 9fa0: 00000017 00000017 00000001 b6dea000 00000017 00000000 [ 129.236761] 9fc0: 00000017 00000017 b6f31e00 00000004 00000001 00000000 00020000 bed20a54 [ 129.244946] 9fe0: 00000004 bed20788 b6e9c4cf b6e227e6 [ 129.250062] irq event stamp: 0 [ 129.253135] hardirqs last enabled at (0): [<00000000>] 0x0 [ 129.258753] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 129.266302] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 129.273842] softirqs last disabled at (0): [<00000000>] 0x0 [ 129.279441] ---[ end trace b65577c8fbca8981 ]--- [ 129.284103] lkdtm: Saturation detected: still saturated # [ 128.970572] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 128.976807] lkdtm: attempting bad refcount_dec() from saturated # [ 128.982771] ------------[ cut here ]------------ # [ 128.987504] WARNING: CPU: 3 PID: 3074 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 # [ 128.996128] refcount_t: decrement hit 0; leaking memory. # [ 129.001478] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic parallel_display dw_hdmi_imx dw_hdmi snd_soc_sgtl5000 snd_soc_core imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imxdrm flexcan can_dev etnaviv gpu_sched imx_ipu_v3 # [ 129.030655] CPU: 3 PID: 3074 Comm: cat Tainted: G D W 5.10.154-cip20 #1 # [ 129.038406] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 129.044938] Backtrace: # [ 129.047416] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 129.054997] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7f4 # [ 129.060669] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 129.067994] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 129.074964] r9:00000009 r8:c086e5d4 r7:0000001f r6:00000009 r5:c086e5d4 r4:c1a24e80 # [ 129.082720] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 129.090209] r7:0000001f r6:c1a24e80 r5:c1a24ee4 r4:c59b8000 # [ 129.095884] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) # [ 129.104849] r9:c1ad0efc r8:c15e8634 r7:c59b9f60 r6:00000017 r5:c4785000 r4:c59b8000 # [ 129.112607] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) # [ 129.122271] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_SATURATED+0x48/0x6c) # [ 129.132463] [] (lkdtm_REFCOUNT_DEC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 129.141685] r4:00000036 # [ 129.144232] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 129.152249] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 129.160175] r9:c59b9f60 r8:c5322600 r7:00000017 r6:b6dea000 r5:c5aa2780 r4:c0c2f668 # [ 129.167930] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 129.175767] r9:c07f6134 r8:c59b9f60 r7:c2816000 r6:b6dea000 r5:c5aa2780 r4:00000000 # [ 129.183519] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 129.190662] r10:00000004 r9:00000000 r8:00000000 r7:b6dea000 r6:c59b8000 r5:c5aa2780 # [ 129.198496] r4:c5aa2780 # [ 129.201038] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 129.208181] r9:c59b8000 r8:c03002e4 r7:00000004 r6:b6f31e00 r5:00000017 r4:00000017 # [ 129.215937] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 129.223512] Exception stack(0xc59b9fa8 to 0xc59b9ff0) # [ 129.228575] 9fa0: 00000017 00000017 00000001 b6dea000 00000017 00000000 # [ 129.236761] 9fc0: 00000017 00000017 b6f31e00 00000004 00000001 00000000 00020000 bed20a54 # [ 129.244946] 9fe0: 00000004 bed20788 b6e9c4cf b6e227e6 # [ 129.250062] irq event stamp: 0 # [ 129.253135] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 129.258753] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 129.266302] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 129.273842] softirqs last disabled at (0): [<00000000>] 0x0 # [ 129.279441] ---[ end trace b65577c8fbca8981 ]--- # [ 129.284103] 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 [ 129.765076] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED [ 129.771195] lkdtm: attempting bad refcount_dec() from saturated [ 129.777216] ------------[ cut here ]------------ [ 129.781872] WARNING: CPU: 1 PID: 3109 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 [ 129.790376] refcount_t: saturated; leaking memory. [ 129.795219] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic parallel_display dw_hdmi_imx dw_hdmi snd_soc_sgtl5000 snd_soc_core imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imxdrm flexcan can_dev etnaviv gpu_sched imx_ipu_v3 [ 129.824461] CPU: 1 PID: 3109 Comm: cat Tainted: G D W 5.10.154-cip20 #1 [ 129.832214] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 129.838749] Backtrace: [ 129.841233] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 129.848817] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7f4 [ 129.854497] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 129.861828] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 129.868805] r9:00000009 r8:c086e63c r7:00000016 r6:00000009 r5:c086e63c r4:c1a24e80 [ 129.876563] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 129.884055] r7:00000016 r6:c1a24e80 r5:c1a24e58 r4:c686a000 [ 129.889733] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) [ 129.898705] r9:c1ad0f14 r8:c15e8634 r7:c686bf60 r6:00000017 r5:c7067000 r4:c686a000 [ 129.906466] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) [ 129.916139] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_SATURATED+0x4c/0x70) [ 129.926333] [] (lkdtm_REFCOUNT_ADD_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) [ 129.935558] r4:00000037 [ 129.938109] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 129.946131] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 129.954059] r9:c686bf60 r8:c5322600 r7:00000017 r6:b6e60000 r5:c5bcfe00 r4:c0c2f668 [ 129.961819] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 129.969660] r9:c07f6134 r8:c686bf60 r7:c2816000 r6:b6e60000 r5:c5bcfe00 r4:00000000 [ 129.977415] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 129.984563] r10:00000004 r9:00000000 r8:00000000 r7:b6e60000 r6:c686a000 r5:c5bcfe00 [ 129.992398] r4:c5bcfe00 [ 129.994944] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 130.002090] r9:c686a000 r8:c03002e4 r7:00000004 r6:b6fa7e00 r5:00000017 r4:00000017 [ 130.009848] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 130.017426] Exception stack(0xc686bfa8 to 0xc686bff0) [ 130.022491] bfa0: 00000017 00000017 00000001 b6e60000 00000017 00000000 [ 130.030684] bfc0: 00000017 00000017 b6fa7e00 00000004 00000001 00000000 00020000 bed4aa54 [ 130.038873] bfe0: 00000004 bed4a788 b6f124cf b6e987e6 [ 130.043999] irq event stamp: 0 [ 130.047077] hardirqs last enabled at (0): [<00000000>] 0x0 [ 130.052671] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 130.060217] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 130.067766] softirqs last disabled at (0): [<00000000>] 0x0 [ 130.073386] ---[ end trace b65577c8fbca8982 ]--- [ 130.078109] lkdtm: Saturation detected: still saturated # [ 129.765076] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 129.771195] lkdtm: attempting bad refcount_dec() from saturated # [ 129.777216] ------------[ cut here ]------------ # [ 129.781872] WARNING: CPU: 1 PID: 3109 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 129.790376] refcount_t: saturated; leaking memory. # [ 129.795219] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic parallel_display dw_hdmi_imx dw_hdmi snd_soc_sgtl5000 snd_soc_core imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imxdrm flexcan can_dev etnaviv gpu_sched imx_ipu_v3 # [ 129.824461] CPU: 1 PID: 3109 Comm: cat Tainted: G D W 5.10.154-cip20 #1 # [ 129.832214] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 129.838749] Backtrace: # [ 129.841233] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 129.848817] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7f4 # [ 129.854497] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 129.861828] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 129.868805] r9:00000009 r8:c086e63c r7:00000016 r6:00000009 r5:c086e63c r4:c1a24e80 # [ 129.876563] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 129.884055] r7:00000016 r6:c1a24e80 r5:c1a24e58 r4:c686a000 # [ 129.889733] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 129.898705] r9:c1ad0f14 r8:c15e8634 r7:c686bf60 r6:00000017 r5:c7067000 r4:c686a000 # [ 129.906466] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 129.916139] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_SATURATED+0x4c/0x70) # [ 129.926333] [] (lkdtm_REFCOUNT_ADD_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 129.935558] r4:00000037 # [ 129.938109] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 129.946131] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 129.954059] r9:c686bf60 r8:c5322600 r7:00000017 r6:b6e60000 r5:c5bcfe00 r4:c0c2f668 # [ 129.961819] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 129.969660] r9:c07f6134 r8:c686bf60 r7:c2816000 r6:b6e60000 r5:c5bcfe00 r4:00000000 # [ 129.977415] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 129.984563] r10:00000004 r9:00000000 r8:00000000 r7:b6e60000 r6:c686a000 r5:c5bcfe00 # [ 129.992398] r4:c5bcfe00 # [ 129.994944] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 130.002090] r9:c686a000 r8:c03002e4 r7:00000004 r6:b6fa7e00 r5:00000017 r4:00000017 # [ 130.009848] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 130.017426] Exception stack(0xc686bfa8 to 0xc686bff0) # [ 130.022491] bfa0: 00000017 00000017 00000001 b6e60000 00000017 00000000 # [ 130.030684] bfc0: 00000017 00000017 b6fa7e00 00000004 00000001 00000000 00020000 bed4aa54 # [ 130.038873] bfe0: 00000004 bed4a788 b6f124cf b6e987e6 # [ 130.043999] irq event stamp: 0 # [ 130.047077] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 130.052671] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 130.060217] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 130.067766] softirqs last disabled at (0): [<00000000>] 0x0 # [ 130.073386] ---[ end trace b65577c8fbca8982 ]--- # [ 130.078109] 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 [ 130.549016] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED [ 130.555975] lkdtm: attempting bad refcount_inc_not_zero() from saturated [ 130.562693] ------------[ cut here ]------------ [ 130.567387] WARNING: CPU: 2 PID: 3141 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 [ 130.575981] refcount_t: saturated; leaking memory. [ 130.580809] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic parallel_display dw_hdmi_imx dw_hdmi snd_soc_sgtl5000 snd_soc_core imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imxdrm flexcan can_dev etnaviv gpu_sched imx_ipu_v3 [ 130.609970] CPU: 2 PID: 3141 Comm: cat Tainted: G D W 5.10.154-cip20 #1 [ 130.617721] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 130.624253] Backtrace: [ 130.626732] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 130.634311] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7f4 [ 130.639984] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 130.647309] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 130.654281] r9:00000009 r8:c086e608 r7:00000013 r6:00000009 r5:c086e608 r4:c1a24e80 [ 130.662036] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 130.669527] r7:00000013 r6:c1a24e80 r5:c1a24e58 r4:c5a2a000 [ 130.675202] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) [ 130.684169] r9:c1ad0f2c r8:c15e8634 r7:c5a2bf60 r6:00000020 r5:c6d3f000 r4:c0000000 [ 130.691929] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) [ 130.702375] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x50/0x88) [ 130.714115] r5:c6d3f000 r4:c5a2a000 [ 130.717707] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) [ 130.727712] r4:00000038 [ 130.730257] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 130.738276] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 130.746202] r9:c5a2bf60 r8:c5322600 r7:00000020 r6:b6dc5000 r5:c5b268c0 r4:c0c2f668 [ 130.753958] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 130.761797] r9:c07f6134 r8:c5a2bf60 r7:c2816000 r6:b6dc5000 r5:c5b268c0 r4:00000000 [ 130.769547] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 130.776691] r10:00000004 r9:00000000 r8:00000000 r7:b6dc5000 r6:c5a2a000 r5:c5b268c0 [ 130.784524] r4:c5b268c0 [ 130.787068] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 130.794213] r9:c5a2a000 r8:c03002e4 r7:00000004 r6:b6f0ce00 r5:00000020 r4:00000020 [ 130.801969] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 130.809544] Exception stack(0xc5a2bfa8 to 0xc5a2bff0) [ 130.814606] bfa0: 00000020 00000020 00000001 b6dc5000 00000020 00000000 [ 130.822794] bfc0: 00000020 00000020 b6f0ce00 00000004 00000001 00000000 00020000 beff8a54 [ 130.830978] bfe0: 00000004 beff8788 b6e774cf b6dfd7e6 [ 130.836116] irq event stamp: 0 [ 130.839195] hardirqs last enabled at (0): [<00000000>] 0x0 [ 130.844810] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 130.852318] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 130.859866] softirqs last disabled at (0): [<00000000>] 0x0 [ 130.865519] ---[ end trace b65577c8fbca8983 ]--- [ 130.870154] lkdtm: Saturation detected: still saturated # [ 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 # [ 130.549016] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 130.555975] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 130.562693] ------------[ cut here ]------------ # [ 130.567387] WARNING: CPU: 2 PID: 3141 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 130.575981] refcount_t: saturated; leaking memory. # [ 130.580809] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic parallel_display dw_hdmi_imx dw_hdmi snd_soc_sgtl5000 snd_soc_core imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imxdrm flexcan can_dev etnaviv gpu_sched imx_ipu_v3 # [ 130.609970] CPU: 2 PID: 3141 Comm: cat Tainted: G D W 5.10.154-cip20 #1 # [ 130.617721] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 130.624253] Backtrace: # [ 130.626732] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 130.634311] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7f4 # [ 130.639984] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 130.647309] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 130.654281] r9:00000009 r8:c086e608 r7:00000013 r6:00000009 r5:c086e608 r4:c1a24e80 # [ 130.662036] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 130.669527] r7:00000013 r6:c1a24e80 r5:c1a24e58 r4:c5a2a000 # [ 130.675202] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 130.684169] r9:c1ad0f2c r8:c15e8634 r7:c5a2bf60 r6:00000020 r5:c6d3f000 r4:c0000000 # [ 130.691929] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 130.702375] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x50/0x88) # [ 130.714115] r5:c6d3f000 r4:c5a2a000 # [ 130.717707] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 130.727712] r4:00000038 # [ 130.730257] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 130.738276] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 130.746202] r9:c5a2bf60 r8:c5322600 r7:00000020 r6:b6dc5000 r5:c5b268c0 r4:c0c2f668 # [ 130.753958] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 130.761797] r9:c07f6134 r8:c5a2bf60 r7:c2816000 r6:b6dc5000 r5:c5b268c0 r4:00000000 # [ 130.769547] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 130.776691] r10:00000004 r9:00000000 r8:00000000 r7:b6dc5000 r6:c5a2a000 r5:c5b268c0 # [ 130.784524] r4:c5b268c0 # [ 130.787068] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 130.794213] r9:c5a2a000 r8:c03002e4 r7:00000004 r6:b6f0ce00 r5:00000020 r4:00000020 # [ 130.801969] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 130.809544] Exception stack(0xc5a2bfa8 to 0xc5a2bff0) # [ 130.814606] bfa0: 00000020 00000020 00000001 b6dc5000 00000020 00000000 # [ 130.822794] bfc0: 00000020 00000020 b6f0ce00 00000004 00000001 00000000 00020000 beff8a54 # [ 130.830978] bfe0: 00000004 beff8788 b6e774cf b6dfd7e6 # [ 130.836116] irq event stamp: 0 # [ 130.839195] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 130.844810] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 130.852318] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 130.859866] softirqs last disabled at[ 131.360098] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED (0): [<00000000>] 0x0 # [ 130.[ 131.369015] lkdtm: attempting bad refcount_add_not_zero() from saturated 865519] ---[ end trace b65577c8fb[ 131.378628] ------------[ cut here ]------------ ca8983 ]--- # [ 130.870154] lkd[ 131.386104] WARNING: CPU: 2 PID: 3175 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 tm: Saturation detected: still sa[ 131.397351] refcount_t: saturated; leaking memory. turated # REFCOUNT_INC_NOT_ZERO_[ 131.405000] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic parallel_display dw_hdmi_imx dw_hdmi snd_soc_sgtl5000 snd_soc_core imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imxdrm flexcan can_dev etnaviv gpu_sched imx_ipu_v3 SATURATED: missing 'call trace:':[ 131.436714] CPU: 2 PID: 3175 Comm: cat Tainted: G D W 5.10.154-cip20 #1 [FAIL] n[o t 1o3k1 .5454 7s2e75] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) ftests: lkdtm: R[E F C1O3U1N.T4_55623] Backtrace: NC_NOT_ZERO_SATURATED.sh # exit=1[ 131.460171] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # selftests: l[k d t1m3:1 .R4E70590] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7f4 COUNT_ADD_NOT_ZERO_SATURA[T E D1.1.478338] [] (show_stack) from [] (dump_stack+0xe0/0x100) sh [ 131.488074] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 131.495376] r9:00000009 r8:c086e608 r7:00000013 r6:00000009 r5:c086e608 r4:c1a24e80 [ 131.503131] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 131.510619] r7:00000013 r6:c1a24e80 r5:c1a24e58 r4:c685c000 [ 131.516293] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) [ 131.525259] r9:c1ad0f4c r8:c15e8634 r7:c685df60 r6:00000020 r5:c696f000 r4:c0000000 [ 131.533018] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) [ 131.543467] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x50/0x88) [ 131.555207] r5:c696f000 r4:c685c000 [ 131.558800] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) [ 131.568805] r4:00000039 [ 131.571350] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 131.579368] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 131.587294] r9:c685df60 r8:c5322600 r7:00000020 r6:b6e2f000 r5:c5b27900 r4:c0c2f668 [ 131.595048] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 131.602888] r9:c07f6134 r8:c685df60 r7:c2816000 r6:b6e2f000 r5:c5b27900 r4:00000000 [ 131.610641] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 131.617786] r10:00000004 r9:00000000 r8:00000000 r7:b6e2f000 r6:c685c000 r5:c5b27900 [ 131.625618] r4:c5b27900 [ 131.628161] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 131.635303] r9:c685c000 r8:c03002e4 r7:00000004 r6:b6f76e00 r5:00000020 r4:00000020 [ 131.643057] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 131.650632] Exception stack(0xc685dfa8 to 0xc685dff0) [ 131.655694] dfa0: 00000020 00000020 00000001 b6e2f000 00000020 00000000 [ 131.663881] dfc0: 00000020 00000020 b6f76e00 00000004 00000001 00000000 00020000 be879a54 [ 131.672066] dfe0: 00000004 be879788 b6ee14cf b6e677e6 [ 131.677187] irq event stamp: 0 [ 131.680259] hardirqs last enabled at (0): [<00000000>] 0x0 [ 131.685876] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 131.693377] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 131.700931] softirqs last disabled at (0): [<00000000>] 0x0 [ 131.706554] ---[ end trace b65577c8fbca8984 ]--- [ 131.711197] lkdtm: Saturation detected: still saturated # [ 131.360098] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 131.369015] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 131.378628] ------------[ cut here ]------------ # [ 131.386104] WARNING: CPU: 2 PID: 3175 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 131.397351] refcount_t: saturated; leaking memory. # [ 131.405000] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic parallel_display dw_hdmi_imx dw_hdmi snd_soc_sgtl5000 snd_soc_core imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imxdrm flexcan can_dev etnaviv gpu_sched imx_ipu_v3 # [ 131.436714] CPU: 2 PID: 3175 Comm: cat Tainted: G D W 5.10.154-cip20 #1 # [ 131.447275] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 131.455623] Backtrace: # [ 131.460171] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 131.470590] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7f4 # [ 131.478338] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 131.488074] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 131.495376] r9:00000009 r8:c086e608 r7:00000013 r6:00000009 r5:c086e608 r4:c1a24e80 # [ 131.503131] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 131.510619] r7:00000013 r6:c1a24e80 r5:c1a24e58 r4:c685c000 # [ 131.516293] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 131.525259] r9:c1ad0f4c r8:c15e8634 r7:c685df60 r6:00000020 r5:c696f000 r4:c0000000 # [ 131.533018] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 131.543467] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x50/0x88) # [ 131.555207] r5:c696f000 r4:c685c000 # [ 131.558800] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 131.568805] r4:00000039 # [ 131.571350] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 131.579368] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 131.587294] r9:c685df60 r8:c5322600 r7:00000020 r6:b6e2f000 r5:c5b27900 r4:c0c2f668 # [ 131.595048] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 131.602888] r9:c07f6134 r8:c685df60 r7:c2816000 r6:b6e2f000 r5:c5b27900 r4:00000000 # [ 131.610641] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 131.617786] r10:00000004 r9:00000000 r8:00000000 r7:b6e2f000 r6:c685c000 r5:c5b27900 # [ 131.625618] r4:c5b27900 # [ 131.628161] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 131.635303] r9:c685c000 r8:c03002e4 r7:00000004 r6:b6f76e00 r5:00000020 r4:00000020 # [ 131.643057] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 131.650632] Exception stack(0xc685dfa8 to 0xc685dff0) # [ 131.655694] dfa0: 00000020 00000020 00000001 b6e2f000 00000020 00000000 # [ 131.663881] dfc0: 00000020 00000020 b6f76e00 00000004 00000001 00000000 00020000 be879a54 # [ 131.672066] dfe0: 00000004 be879788 b6ee14cf b6e677e6 # [ 131.677187] irq event stamp: 0 # [ 131.680259] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 131.685876] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 131.693377] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 131.700931] softirqs last disabled at (0): [<00000000>] 0x0 # [ 131.706554] ---[ end trace b65577c8fbca8984 ]--- # [ 131.711197] 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 [ 132.198175] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED [ 132.205142] lkdtm: attempting bad refcount_dec_and_test() from saturated [ 132.211860] ------------[ cut here ]------------ [ 132.216658] WARNING: CPU: 1 PID: 3212 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 [ 132.225265] refcount_t: underflow; use-after-free. [ 132.230067] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic parallel_display dw_hdmi_imx dw_hdmi snd_soc_sgtl5000 snd_soc_core imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imxdrm flexcan can_dev etnaviv gpu_sched imx_ipu_v3 [ 132.259231] CPU: 1 PID: 3212 Comm: cat Tainted: G D W 5.10.154-cip20 #1 [ 132.266982] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 132.273514] Backtrace: [ 132.275990] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 132.283571] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7f4 [ 132.289245] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 132.296568] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 132.303539] r9:00000009 r8:c086e6a4 r7:0000001c r6:00000009 r5:c086e6a4 r4:c1a24e80 [ 132.311294] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 132.318783] r7:0000001c r6:c1a24e80 r5:c1a24ebc r4:c6b26000 [ 132.324458] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) [ 132.333512] r9:c1ad0f6c r8:c15e8634 r7:c6b27f60 r6:00000020 r5:c470e000 r4:c6b26000 [ 132.341269] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) [ 132.351721] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x50/0x88) [ 132.363472] [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) [ 132.373477] r4:0000003a [ 132.376023] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 132.384040] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 132.391965] r9:c6b27f60 r8:c5322600 r7:00000020 r6:b6db6000 r5:c6945a40 r4:c0c2f668 [ 132.399723] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 132.407561] r9:c07f6134 r8:c6b27f60 r7:c2816000 r6:b6db6000 r5:c6945a40 r4:00000000 [ 132.415313] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 132.422456] r10:00000004 r9:00000000 r8:00000000 r7:b6db6000 r6:c6b26000 r5:c6945a40 [ 132.430289] r4:c6945a40 [ 132.432833] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 132.439977] r9:c6b26000 r8:c03002e4 r7:00000004 r6:b6efde00 r5:00000020 r4:00000020 [ 132.447732] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 132.455306] Exception stack(0xc6b27fa8 to 0xc6b27ff0) [ 132.460367] 7fa0: 00000020 00000020 00000001 b6db6000 00000020 00000000 [ 132.468555] 7fc0: 00000020 00000020 b6efde00 00000004 00000001 00000000 00020000 be8baa54 [ 132.476739] 7fe0: 00000004 be8ba788 b6e684cf b6dee7e6 [ 132.481881] irq event stamp: 0 [ 132.484989] hardirqs last enabled at (0): [<00000000>] 0x0 [ 132.490582] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 132.498107] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 132.505638] softirqs last disabled at (0): [<00000000>] 0x0 [ 132.511222] ---[ end trace b65577c8fbca8985 ]--- [ 132.515887] lkdtm: Saturation detected: still saturated # [ 132.198175] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 132.205142] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 132.211860] ------------[ cut here ]------------ # [ 132.216658] WARNING: CPU: 1 PID: 3212 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 132.225265] refcount_t: underflow; use-after-free. # [ 132.230067] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic parallel_display dw_hdmi_imx dw_hdmi snd_soc_sgtl5000 snd_soc_core imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imxdrm flexcan can_dev etnaviv gpu_sched imx_ipu_v3 # [ 132.259231] CPU: 1 PID: 3212 Comm: cat Tainted: G D W 5.10.154-cip20 #1 # [ 132.266982] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 132.273514] Backtrace: # [ 132.275990] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 132.283571] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7f4 # [ 132.289245] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 132.296568] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 132.303539] r9:00000009 r8:c086e6a4 r7:0000001c r6:00000009 r5:c086e6a4 r4:c1a24e80 # [ 132.311294] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 132.318783] r7:0000001c r6:c1a24e80 r5:c1a24ebc r4:c6b26000 # [ 132.324458] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 132.333512] r9:c1ad0f6c r8:c15e8634 r7:c6b27f60 r6:00000020 r5:c470e000 r4:c6b26000 # [ 132.341269] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 132.351721] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x50/0x88) # [ 132.363472] [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 132.373477] r4:0000003a # [ 132.376023] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 132.384040] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 132.391965] r9:c6b27f60 r8:c5322600 r7:00000020 r6:b6db6000 r5:c6945a40 r4:c0c2f668 # [ 132.399723] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 132.407561] r9:c07f6134 r8:c6b27f60 r7:c2816000 r6:b6db6000 r5:c6945a40 r4:00000000 # [ 132.415313] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 132.422456] r10:00000004 r9:00000000 r8:00000000 r7:b6db6000 r6:c6b26000 r5:c6945a40 # [ 132.430289] r4:c6945a40 # [ 132.432833] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 132.439977] r9:c6b26000 r8:c03002e4 r7:00000004 r6:b6efde00 r5:00000020 r4:00000020 # [ 132.447732] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 132.455306] Exception stack(0xc6b27fa8 to 0xc6b27ff0) # [ 132.460367] 7fa0: 00000020 00000020 00000001 b6db6000 00000020 00000000 # [ 132.468555] 7fc0: 00000020 00000020 b6efde00 00000004 00000001 00000000 00020000 be8baa54 # [ 132.476739] 7fe0: 00000004 be8ba788 b6e684cf b6dee7e6 # [ 132.481881] irq event stamp: 0 # [ 132.484989] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 132.490582] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 132.498107] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 132.505638] softirqs last disabled at (0): [<00000000>] 0x0 # [ 132.511222] ---[ end trace b65577c8fbca8985 ]--- # [ 132.515887] 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 [ 133.000833] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED [ 133.007794] lkdtm: attempting bad refcount_sub_and_test() from saturated [ 133.014573] ------------[ cut here ]------------ [ 133.019231] WARNING: CPU: 3 PID: 3247 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 [ 133.027831] refcount_t: underflow; use-after-free. [ 133.032637] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic parallel_display dw_hdmi_imx dw_hdmi snd_soc_sgtl5000 snd_soc_core imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imxdrm flexcan can_dev etnaviv gpu_sched imx_ipu_v3 [ 133.061903] CPU: 3 PID: 3247 Comm: cat Tainted: G D W 5.10.154-cip20 #1 [ 133.069657] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 133.076190] Backtrace: [ 133.078674] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 133.086258] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7f4 [ 133.091939] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 133.099267] [] (dump_stack) from [] (__warn+0xfc/0x16c) [ 133.106242] r9:00000009 r8:c086e6a4 r7:0000001c r6:00000009 r5:c086e6a4 r4:c1a24e80 [ 133.114001] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) [ 133.121493] r7:0000001c r6:c1a24e80 r5:c1a24ebc r4:c6b26000 [ 133.127174] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) [ 133.136230] r9:c1ad0f8c r8:c15e8634 r7:c6b27f60 r6:00000020 r5:c6c8f000 r4:c6b26000 [ 133.143994] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) [ 133.154450] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x50/0x88) [ 133.166208] [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) [ 133.176215] r4:0000003b [ 133.178766] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 133.186788] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 133.194719] r9:c6b27f60 r8:c5322600 r7:00000020 r6:b6e9d000 r5:c5b26140 r4:c0c2f668 [ 133.202481] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 133.210323] r9:c07f6134 r8:c6b27f60 r7:c2816000 r6:b6e9d000 r5:c5b26140 r4:00000000 [ 133.218080] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 133.225228] r10:00000004 r9:00000000 r8:00000000 r7:b6e9d000 r6:c6b26000 r5:c5b26140 [ 133.233063] r4:c5b26140 [ 133.235611] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 133.242760] r9:c6b26000 r8:c03002e4 r7:00000004 r6:b6fe4e00 r5:00000020 r4:00000020 [ 133.250518] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 133.258095] Exception stack(0xc6b27fa8 to 0xc6b27ff0) [ 133.263161] 7fa0: 00000020 00000020 00000001 b6e9d000 00000020 00000000 [ 133.271352] 7fc0: 00000020 00000020 b6fe4e00 00000004 00000001 00000000 00020000 bea64a54 [ 133.279540] 7fe0: 00000004 bea64788 b6f4f4cf b6ed57e6 [ 133.284669] irq event stamp: 0 [ 133.287748] hardirqs last enabled at (0): [<00000000>] 0x0 [ 133.293343] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c [ 133.300909] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c [ 133.308476] softirqs last disabled at (0): [<00000000>] 0x0 [ 133.314132] ---[ end trace b65577c8fbca8986 ]--- [ 133.318771] lkdtm: Saturation detected: still saturated # [ 133.000833] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 133.007794] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 133.014573] ------------[ cut here ]------------ # [ 133.019231] WARNING: CPU: 3 PID: 3247 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 133.027831] refcount_t: underflow; use-after-free. # [ 133.032637] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic parallel_display dw_hdmi_imx dw_hdmi snd_soc_sgtl5000 snd_soc_core imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imxdrm flexcan can_dev etnaviv gpu_sched imx_ipu_v3 # [ 133.061903] CPU: 3 PID: 3247 Comm: cat Tainted: G D W 5.10.154-cip20 #1 # [ 133.069657] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 133.076190] Backtrace: # [ 133.078674] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 133.086258] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7f4 # [ 133.091939] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 133.099267] [] (dump_stack) from [] (__warn+0xfc/0x16c) # [ 133.106242] r9:00000009 r8:c086e6a4 r7:0000001c r6:00000009 r5:c086e6a4 r4:c1a24e80 # [ 133.114001] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 133.121493] r7:0000001c r6:c1a24e80 r5:c1a24ebc r4:c6b26000 # [ 133.127174] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 133.136230] r9:c1ad0f8c r8:c15e8634 r7:c6b27f60 r6:00000020 r5:c6c8f000 r4:c6b26000 # [ 133.143994] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 133.154450] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x50/0x88) # [ 133.166208] [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 133.176215] r4:0000003b # [ 133.178766] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 133.186788] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 133.194719] r9:c6b27f60 r8:c5322600 r7:00000020 r6:b6e9d000 r5:c5b26140 r4:c0c2f668 # [ 133.202481] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 133.210323] r9:c07f6134 r8:c6b27f60 r7:c2816000 r6:b6e9d000 r5:c5b26140 r4:00000000 # [ 133.218080] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 133.225228] r10:00000004 r9:00000000 r8:00000000 r7:b6e9d000 r6:c6b26000 r5:c5b26140 # [ 133.233063] r4:c5b26140 # [ 133.235611] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 133.242760] r9:c6b26000 r8:c03002e4 r7:00000004 r6:b6fe4e00 r5:00000020 r4:00000020 # [ 133.250518] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 133.258095] Exception stack(0xc6b27fa8 to 0xc6b27ff0) # [ 133.263161] 7fa0: 00000020 00000020 00000001 b6e9d000 00000020 00000000 # [ 133.271352] 7fc0: 00000020 00000020 b6fe4e00 00000004 00000001 00000000 00020000 bea64a54 # [ 133.279540] 7fe0: 00000004 bea64788 b6f4f4cf b6ed57e6 # [ 133.284669] irq event stamp: 0 # [ 133.287748] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 133.293343] hardirqs last disabled at (0): [] copy_process+0x5c8/0x194c # [ 133.300909] softirqs last enabled at (0): [] copy_process+0x5c8/0x194c # [ 133.308476] softirqs last disabled at (0): [<00000000>] 0x0 # [ 133.314132] ---[ end trace b65577c8fbca8986 ]--- # [ 133.318771] 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 [ 134.146718] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO [ 134.152768] lkdtm: attempting good copy_to_user of correct size [ 134.158801] lkdtm: attempting bad copy_to_user of too large size # [ 134.146718] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 134.152768] lkdtm: attempting good copy_to_user of correct size # [ 134.158801] 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 [ 134.597856] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM [ 134.604219] lkdtm: attempting good copy_from_user of correct size [ 134.610381] lkdtm: attempting bad copy_from_user of too large size # [ 134.597856] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 134.604219] lkdtm: attempting good copy_from_user of correct size # [ 134.610381] 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 [ 135.042467] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO [ 135.049030] lkdtm: attempting good copy_to_user inside whitelist [ 135.055266] lkdtm: attempting bad copy_to_user outside whitelist # [ 135.042467] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 135.049030] lkdtm: attempting good copy_to_user inside whitelist # [ 135.055266] 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 [ 135.491164] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM [ 135.497981] lkdtm: attempting good copy_from_user inside whitelist [ 135.504283] lkdtm: attempting bad copy_from_user outside whitelist # [ 135.491164] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 135.497981] lkdtm: attempting good copy_from_user inside whitelist # [ 135.504283] 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 [ 135.940855] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO [ 135.947121] lkdtm: good_stack: c6d63e0c-c6d63e2c [ 135.951755] lkdtm: bad_stack : c6d63d84-c6d63da4 [ 135.956571] lkdtm: attempting good copy_to_user of local stack [ 135.963526] lkdtm: attempting bad copy_to_user of distant stack # [ 135.940855] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 135.947121] lkdtm: good_stack: c6d63e0c-c6d63e2c # [ 135.951755] lkdtm: bad_stack : c6d63d84-c6d63da4 # [ 135.956571] lkdtm: attempting good copy_to_user of local stack # [ 135.963526] 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 [ 136.421220] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM [ 136.427662] lkdtm: good_stack: c581be0c-c581be2c [ 136.432296] lkdtm: bad_stack : c581bd84-c581bda4 [ 136.437083] lkdtm: attempting good copy_from_user of local stack [ 136.443146] lkdtm: attempting bad copy_from_user of distant stack # [ 136.421220] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 136.427662] lkdtm: good_stack: c581be0c-c581be2c # [ 136.432296] lkdtm: bad_stack : c581bd84-c581bda4 # [ 136.437083] lkdtm: attempting good copy_from_user of local stack # [ 136.443146] 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 [ 136.889921] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND [ 136.896020] lkdtm: good_stack: c6f73e0c-c6f73e2c [ 136.900651] lkdtm: bad_stack : c6f73ffc-c6f7401c [ 136.905326] lkdtm: attempting good copy_to_user of local stack [ 136.911206] lkdtm: attempting bad copy_to_user of distant stack # [ 136.889921] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 136.896020] lkdtm: good_stack: c6f73e0c-c6f73e2c # [ 136.900651] lkdtm: bad_stack : c6f73ffc-c6f7401c # [ 136.905326] lkdtm: attempting good copy_to_user of local stack # [ 136.911206] 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 [ 137.359258] lkdtm: Performing direct entry USERCOPY_KERNEL [ 137.364962] lkdtm: attempting good copy_to_user from kernel rodata: c15e88e0 [ 137.372097] lkdtm: attempting bad copy_to_user from kernel text: c053a454 [ 137.378979] lkdtm: FAIL: survived bad copy_to_user() # [ 137.359258] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 137.364962] lkdtm: attempting good copy_to_user from kernel rodata: c15e88e0 # [ 137.372097] lkdtm: attempting bad copy_to_user from kernel text: c053a454 # [ 137.378979] 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 [ 137.856071] lkdtm: Performing direct entry STACKLEAK_ERASING [ 137.861757] lkdtm: checking unused part of the thread stack (7732 bytes)... [ 137.868834] lkdtm: FAIL: the erased part is not found (checked 7732 bytes) [ 137.875840] lkdtm: FAIL: the thread stack is NOT properly erased [ 137.881893] CPU: 0 PID: 3612 Comm: cat Tainted: G D W 5.10.154-cip20 #1 [ 137.889643] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 137.896176] Backtrace: [ 137.898655] [] (dump_backtrace) from [] (show_stack+0x20/0x24) [ 137.906233] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7f4 [ 137.911908] [] (show_stack) from [] (dump_stack+0xe0/0x100) [ 137.919232] [] (dump_stack) from [] (lkdtm_STACKLEAK_ERASING+0x148/0x174) [ 137.927765] r9:c1ad1094 r8:c15e8634 r7:c5af3f60 r6:c5af3e34 r5:c5af2000 r4:0000078d [ 137.935525] [] (lkdtm_STACKLEAK_ERASING) from [] (lkdtm_do_action+0x2c/0x4c) [ 137.944318] r8:c15e8634 r7:c5af3f60 r6:00000012 r5:c5f50000 r4:00000046 [ 137.951029] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 137.959047] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 137.966972] r9:c5af3f60 r8:c5322600 r7:00000012 r6:b6e54000 r5:c5b26640 r4:c0c2f668 [ 137.974730] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) [ 137.982569] r9:c07f6134 r8:c5af3f60 r7:c2816000 r6:b6e54000 r5:c5b26640 r4:00000000 [ 137.990321] [] (vfs_write) from [] (ksys_write+0x74/0xec) [ 137.997464] r10:00000004 r9:00000000 r8:00000000 r7:b6e54000 r6:c5af2000 r5:c5b26640 [ 138.005298] r4:c5b26640 [ 138.007841] [] (ksys_write) from [] (sys_write+0x18/0x1c) [ 138.014987] r9:c5af2000 r8:c03002e4 r7:00000004 r6:b6f9be00 r5:00000012 r4:00000012 [ 138.022742] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) [ 138.030317] Exception stack(0xc5af3fa8 to 0xc5af3ff0) [ 138.035379] 3fa0: 00000012 00000012 00000001 b6e54000 00000012 00000000 [ 138.043565] 3fc0: 00000012 00000012 b6f9be00 00000004 00000001 00000000 00020000 bebf7a54 [ 138.051749] 3fe0: 00000004 bebf7788 b6f064cf b6e8c7e6 # [ 137.856071] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 137.861757] lkdtm: checking unused part of the thread stack (7732 bytes)... # [ 137.868834] lkdtm: FAIL: the erased part is not found (checked 7732 bytes) # [ 137.875840] lkdtm: FAIL: the thread stack is NOT properly erased # [ 137.881893] CPU: 0 PID: 3612 Comm: cat Tainted: G D W 5.10.154-cip20 #1 # [ 137.889643] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 137.896176] Backtrace: # [ 137.898655] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 137.906233] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7f4 # [ 137.911908] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 137.919232] [] (dump_stack) from [] (lkdtm_STACKLEAK_ERASING+0x148/0x174) # [ 137.927765] r9:c1ad1094 r8:c15e8634 r7:c5af3f60 r6:c5af3e34 r5:c5af2000 r4:0000078d # [ 137.935525] [] (lkdtm_STACKLEAK_ERASING) from [] (lkdtm_do_action+0x2c/0x4c) # [ 137.944318] r8:c15e8634 r7:c5af3f60 r6:00000012 r5:c5f50000 r4:00000046 # [ 137.951029] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 137.959047] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 137.966972] r9:c5af3f60 r8:c5322600 r7:00000012 r6:b6e54000 r5:c5b26640 r4:c0c2f668 # [ 137.974730] [] (full_proxy_write) from [] (vfs_write+0x10c/0x524) # [ 137.982569] r9:c07f6134 r8:c5af3f60 r7:c2816000 r6:b6e54000 r5:c5b26640 r4:00000000 # [ 137.990321] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 137.997464] r10:00000004 r9:00000000 r8:00000000 r7:b6e54000 r6:c5af2000 r5:c5b26640 # [ 138.005298] r4:c5b26640 # [ 138.007841] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 138.014987] r9:c5af2000 r8:c03002e4 r7:00000004 r6:b6f9be00 r5:00000012 r4:00000012 # [ 138.022742] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 138.030317] Exception stack(0xc5af3fa8 to 0xc5af3ff0) # [ 138.035379] 3fa0: 00000012 00000012 00000001 b6e54000 00000012 00000000 # [ 138.043565] 3fc0: 00000012 00000012 b6f9be00 00000004 00000001 00000000 00020000 bebf7a54 # [ 138.051749] 3fe0: 00000004 bebf7788 b6f064cf b6e8c7e6 # 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 [ 138.503623] lkdtm: Performing direct entry CFI_FORWARD_PROTO [ 138.509369] lkdtm: Calling matched prototype ... [ 138.514087] lkdtm: Calling mismatched prototype ... [ 138.519015] lkdtm: Fail: survived mismatched prototype function call! # [ 138.503623] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 138.509369] lkdtm: Calling matched prototype ... # [ 138.514087] lkdtm: Calling mismatched prototype ... # [ 138.519015] 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 / #