[Enter `^Ec?' for help] U-Boot 2021.10+dfsg-1+apertis10bv2023dev2b2 (Apr 18 2022 - 16:34:49 +0000) CPU: Freescale i.MX6Q rev1.2 at 792 MHz Reset cause: POR Model: Freescale i.MX6 Quad SABRE Lite Board Board: SABRE Lite I2C: ready DRAM: 1 GiB MMC: FSL_SDHC: 0, FSL_SDHC: 1 Loading Environment from SPIFlash... SF: Detected gd25q16 with page size 256 Bytes, erase size 4 KiB, total 2 MiB *** Warning - bad CRC, using default environment In: serial Out: serial Err: serial Net: using phy at 7 FEC [PRIME], usb_ether Error: usb_ether address not set. starting USB... Bus usb@2184000: usb dr_mode not found Bus usb@2184200: USB EHCI 1.00 scanning bus usb@2184000 for devices... 1 USB Device(s) found scanning bus usb@2184200 for devices... 2 USB Device(s) found scanning usb for storage devices... 0 Storage Device(s) found scanning usb for ethernet devices... 0 Ethernet Device(s) found Hit any key to stop autoboot: 3  0 => setenv autoload no setenv autoload no => setenv initrd_high 0xffffffff setenv initrd_high 0xffffffff => setenv fdt_high 0xffffffff setenv fdt_high 0xffffffff => dhcp dhcp BOOTP broadcast 1 DHCP client bound to address 192.168.201.33 (9 ms) => setenv serverip 192.168.201.1 setenv serverip 192.168.201.1 => tftp 0x10000000 12331979/tftp-deploy-ys1fuimc/kernel/zImage tftp 0x10000000 12331979/tftp-deploy-ys1fuimc/kernel/zImage Using FEC device TFTP from server 192.168.201.1; our IP address is 192.168.201.33 Filename '12331979/tftp-deploy-ys1fuimc/kernel/zImage'. Load address: 0x10000000 Loading: *################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ########## 5.8 MiB/s done Bytes transferred = 12546560 (bf7200 hex) => tftp 0x14000000 12331979/tftp-deploy-ys1fuimc/ramdisk/ramdisk.cpio.gz.uboot tftp 0x14000000 12331979/tftp-deploy-ys1fuimc/ramdisk/ramdisk.cpio.gz.uboot Using FEC device TFTP from server 192.168.201.1; our IP address is 192.168.201.33 Filename '12331979/tftp-deploy-ys1fuimc/ramdisk/ramdisk.cpio.gz.uboot'. Load address: 0x14000000 Loading: *################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ###### 14 MiB/s done Bytes transferred = 15344021 (ea2195 hex) => setenv initrd_size ${filesize} setenv initrd_size ${filesize} => tftp 0x13f00000 12331979/tftp-deploy-ys1fuimc/dtb/imx6q-sabrelite.dtb tftp 0x13f00000 12331979/tftp-deploy-ys1fuimc/dtb/imx6q-sabrelite.dtb Using FEC device TFTP from server 192.168.201.1; our IP address is 192.168.201.33 Filename '12331979/tftp-deploy-ys1fuimc/dtb/imx6q-sabrelite.dtb'. Load address: 0x13f00000 Loading: *### 10.2 MiB/s done Bytes transferred = 42661 (a6a5 hex) => setenv bootargs 'console=ttymxc1,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/12331979/extract-nfsrootfs-3jed6pvq,tcp,hard console_msg_format=syslog earlycon deferred_probe_timeout=60 ip=dhcp' setenv bootargs 'console=ttymxc1,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/12331979/extract-nfsrootfs-3jed6pvq,tcp,hard console_msg_format=syslog earlycon deferred_probe_timeout=60 ip=dhcp' => bootz 0x10000000 0x14000000 0x13f00000 bootz 0x10000000 0x14000000 0x13f00000 Kernel image @ 0x10000000 [ 0x000000 - 0xbf7200 ] ## Loading init Ramdisk from Legacy Image at 14000000 ... Image Name: Image Type: ARM Linux RAMDisk Image (uncompressed) Data Size: 15343957 Bytes = 14.6 MiB Load Address: 00000000 Entry Point: 00000000 Verifying Checksum ... OK ## Flattened Device Tree blob at 13f00000 Booting using the fdt blob at 0x13f00000 Using Device Tree in place at 13f00000, end 13f0d6a4 Starting kernel ... [ 0.000000] Booting Linux on physical CPU 0x0 [ 0.000000] Linux version 5.10.205-cip41 (KernelCI@build-j55122-arm-gcc-10-multi-v7-defconfig-kselftest-lm9f4) (arm-linux-gnueabihf-gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Wed Dec 20 23:42:20 UTC 2023 [ 0.000000] CPU: ARMv7 Processor [412fc09a] revision 10 (ARMv7), cr=10c5387d [ 0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache [ 0.000000] OF: fdt: Machine model: Freescale i.MX6 Quad SABRE Lite Board [ 0.000000] earlycon: ec_imx21 at MMIO 0x021e8000 (options '') [ 0.000000] printk: bootconsole [ec_imx21] enabled [ 0.000000] Memory policy: Data cache writealloc [ 0.000000] efi: UEFI not found. [ 0.000000] OF: fdt: Reserved memory: unsupported node format, ignoring [ 0.000000] cma: Reserved 64 MiB at 0x4c000000 [ 0.000000] Zone ranges: [ 0.000000] DMA [mem 0x0000000010000000-0x000000003fffffff] [ 0.000000] Normal empty [ 0.000000] HighMem [mem 0x0000000040000000-0x000000004fffffff] [ 0.000000] Movable zone start for each node [ 0.000000] Early memory node ranges [ 0.000000] node 0: [mem 0x0000000010000000-0x000000004fffffff] [ 0.000000] Initmem setup node 0 [mem 0x0000000010000000-0x000000004fffffff] [ 0.000000] percpu: Embedded 21 pages/cpu s55468 r8192 d22356 u86016 [ 0.000000] Built 1 zonelists, mobility grouping on. Total pages: 260608 [ 0.000000] Kernel command line: console=ttymxc1,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/12331979/extract-nfsrootfs-3jed6pvq,tcp,hard console_msg_format=syslog earlycon deferred_probe_timeout=60 ip=dhcp <6>[ 0.000000] Dentry cache hash table entries: 131072 (order: 7, 524288 bytes, linear) <6>[ 0.000000] Inode-cache hash table entries: 65536 (order: 6, 262144 bytes, linear) <6>[ 0.000000] mem auto-init: stack:off, heap alloc:off, heap free:off <6>[ 0.000000] Memory: 921472K/1048576K available (17408K kernel code, 2714K rwdata, 8140K rodata, 2048K init, 6693K bss, 61568K reserved, 65536K cma-reserved, 196608K highmem) <6>[ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 <6>[ 0.000000] ftrace: allocating 56141 entries in 165 pages <6>[ 0.000000] ftrace: allocated 165 pages with 4 groups <6>[ 0.000000] Running RCU self tests <6>[ 0.000000] rcu: Hierarchical RCU implementation. <6>[ 0.000000] rcu: RCU event tracing is enabled. <6>[ 0.000000] rcu: RCU lockdep checking is enabled. <6>[ 0.000000] rcu: RCU restricting CPUs from NR_CPUS=16 to nr_cpu_ids=4. <6>[ 0.000000] Rude variant of Tasks RCU enabled. <6>[ 0.000000] Tracing variant of Tasks RCU enabled. <6>[ 0.000000] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. <6>[ 0.000000] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4 <6>[ 0.000000] NR_IRQS: 16, nr_irqs: 16, preallocated irqs: 16 <6>[ 0.000000] L2C-310 errata 752271 769419 enabled <6>[ 0.000000] L2C-310 enabling early BRESP for Cortex-A9 <6>[ 0.000000] L2C-310 full line of zeros enabled for Cortex-A9 <6>[ 0.000000] L2C-310 ID prefetch enabled, offset 16 lines <6>[ 0.000000] L2C-310 dynamic clock gating enabled, standby mode enabled <6>[ 0.000000] L2C-310 cache controller enabled, 16 ways, 1024 kB <6>[ 0.000000] L2C-310: CACHE_ID 0x410000c7, AUX_CTRL 0x76470001 <6>[ 0.000000] Switching to timer-based delay loop, resolution 333ns <6>[ 0.000009] sched_clock: 32 bits at 3000kHz, resolution 333ns, wraps every 715827882841ns <6>[ 0.008445] clocksource: mxc_timer1: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 637086815595 ns <6>[ 0.023016] Console: colour dummy device 80x30 <4>[ 0.024924] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar <4>[ 0.032930] ... MAX_LOCKDEP_SUBCLASSES: 8 <4>[ 0.037275] ... MAX_LOCK_DEPTH: 48 <4>[ 0.041685] ... MAX_LOCKDEP_KEYS: 8192 <4>[ 0.046322] ... CLASSHASH_SIZE: 4096 <4>[ 0.050907] ... MAX_LOCKDEP_ENTRIES: 32768 <4>[ 0.055630] ... MAX_LOCKDEP_CHAINS: 65536 <4>[ 0.060304] ... CHAINHASH_SIZE: 32768 <4>[ 0.065003] memory used by lock dependency info: 4061 kB <4>[ 0.070681] memory used for stack traces: 2112 kB <4>[ 0.075727] per task-struct memory footprint: 1536 bytes <6>[ 0.081415] Calibrating delay loop (skipped), value calculated using timer frequency.. 6.00 BogoMIPS (lpj=30000) <6>[ 0.091830] CPU: Testing write buffer coherency: ok <6>[ 0.096965] CPU0: Spectre v2: using BPIALL workaround <6>[ 0.102241] pid_max: default: 32768 minimum: 301 <6>[ 0.107433] LSM: Security Framework initializing <6>[ 0.112059] LSM support for eBPF active <6>[ 0.116218] Mount-cache hash table entries: 2048 (order: 1, 8192 bytes, linear) <6>[ 0.123661] Mountpoint-cache hash table entries: 2048 (order: 1, 8192 bytes, linear) <6>[ 0.135103] CPU0: thread -1, cpu 0, socket 0, mpidr 80000000 <6>[ 0.141616] Setting up static identity map for 0x10300000 - 0x103000ac <6>[ 0.148014] rcu: Hierarchical SRCU implementation. <6>[ 0.159460] EFI services will not be available. <6>[ 0.162520] smp: Bringing up secondary CPUs ... <6>[ 0.169053] CPU1: thread -1, cpu 1, socket 0, mpidr 80000001 <6>[ 0.169069] CPU1: Spectre v2: using BPIALL workaround <6>[ 0.180819] CPU2: thread -1, cpu 2, socket 0, mpidr 80000002 <6>[ 0.180834] CPU2: Spectre v2: using BPIALL workaround <6>[ 0.192231] CPU3: thread -1, cpu 3, socket 0, mpidr 80000003 <6>[ 0.192246] CPU3: Spectre v2: using BPIALL workaround <6>[ 0.201267] smp: Brought up 1 node, 4 CPUs <6>[ 0.204990] SMP: Total of 4 processors activated (24.00 BogoMIPS). <6>[ 0.211530] CPU: All CPU(s) started in SVC mode. <6>[ 0.218795] devtmpfs: initialized <6>[ 0.266572] VFP support v0.3: implementor 41 architecture 3 part 30 variant 9 rev 4 <6>[ 0.274031] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns <6>[ 0.281928] futex hash table entries: 1024 (order: 4, 65536 bytes, linear) <6>[ 0.293642] pinctrl core: initialized pinctrl subsystem <6>[ 0.302644] DMI not present or invalid. <6>[ 0.306099] NET: Registered protocol family 16 <6>[ 0.318329] DMA: preallocated 256 KiB pool for atomic coherent allocations <6>[ 0.331063] thermal_sys: Registered thermal governor 'step_wise' <6>[ 0.331561] cpuidle: using governor menu <6>[ 0.339669] CPU identified as i.MX6Q, silicon rev 1.2 <6>[ 0.989179] vdd1p1: supplied by regulator-dummy <6>[ 1.018559] vdd3p0: supplied by regulator-dummy <6>[ 1.047530] vdd2p5: supplied by regulator-dummy <6>[ 1.076591] vddarm: supplied by regulator-dummy <6>[ 1.106419] vddpu: supplied by regulator-dummy <6>[ 1.134721] vddsoc: supplied by regulator-dummy <6>[ 2.290164] No ATAGs? <6>[ 2.290925] hw-breakpoint: found 5 (+1 reserved) breakpoint and 1 watchpoint registers. <6>[ 2.298139] hw-breakpoint: maximum watchpoint size is 4 bytes. <6>[ 2.321743] imx6q-pinctrl 20e0000.pinctrl: initialized IMX pinctrl driver <6>[ 2.351910] Serial: AMBA PL011 UART driver <6>[ 2.408985] Kprobes globally optimized <6>[ 2.513098] iommu: Default domain type: Translated <6>[ 2.517311] vgaarb: loaded <5>[ 2.522715] SCSI subsystem initialized <6>[ 2.525779] usbcore: registered new interface driver usbfs <6>[ 2.529874] usbcore: registered new interface driver hub <6>[ 2.535446] usbcore: registered new device driver usb <6>[ 2.547219] i2c i2c-0: IMX I2C adapter registered <6>[ 2.555471] i2c i2c-1: IMX I2C adapter registered <6>[ 2.561576] i2c i2c-2: IMX I2C adapter registered <6>[ 2.567848] pps_core: LinuxPPS API ver. 1 registered <6>[ 2.570242] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <6>[ 2.579782] PTP clock support registered <6>[ 2.599918] clocksource: Switched to clocksource mxc_timer1 <6>[ 4.356261] NET: Registered protocol family 2 <6>[ 4.358787] IP idents hash table entries: 16384 (order: 5, 131072 bytes, linear) <6>[ 4.368771] tcp_listen_portaddr_hash hash table entries: 512 (order: 2, 22528 bytes, linear) <6>[ 4.374844] TCP established hash table entries: 8192 (order: 3, 32768 bytes, linear) <6>[ 4.382882] TCP bind hash table entries: 8192 (order: 6, 327680 bytes, linear) <6>[ 4.391769] TCP: Hash tables configured (established 8192 bind 8192) <6>[ 4.397852] MPTCP token hash table entries: 1024 (order: 3, 49152 bytes, linear) <6>[ 4.404772] UDP hash table entries: 512 (order: 3, 49152 bytes, linear) <6>[ 4.411550] UDP-Lite hash table entries: 512 (order: 3, 49152 bytes, linear) <6>[ 4.419294] NET: Registered protocol family 1 <6>[ 4.425768] RPC: Registered named UNIX socket transport module. <6>[ 4.429379] RPC: Registered udp transport module. <6>[ 4.434535] RPC: Registered tcp transport module. <6>[ 4.439290] RPC: Registered tcp NFSv4.1 backchannel transport module. <6>[ 4.446064] NET: Registered protocol family 44 <6>[ 4.450755] PCI: CLS 0 bytes, default 64 <6>[ 4.457112] Trying to unpack rootfs image as initramfs... <6>[ 6.237772] Freeing initrd memory: 14988K <4>[ 6.240381] hw perfevents: no interrupt-affinity property for /pmu, guessing. <6>[ 6.248021] hw perfevents: enabled with armv7_cortex_a9 PMU driver, 7 counters available <5>[ 6.263110] Initialise system trusted keyrings <6>[ 6.266260] workingset: timestamp_bits=30 max_order=18 bucket_order=0 <6>[ 6.314416] squashfs: version 4.0 (2009/01/31) Phillip Lougher <5>[ 6.321225] NFS: Registering the id_resolver key type <5>[ 6.323866] Key type id_resolver registered <5>[ 6.328157] Key type id_legacy registered <6>[ 6.333065] nfs4filelayout_init: NFSv4 File Layout Driver Registering... <6>[ 6.339439] nfs4flexfilelayout_init: NFSv4 Flexfile Layout Driver Registering... <6>[ 6.347240] ntfs: driver 2.1.32 [Flags: R/O]. <5>[ 6.353599] Key type asymmetric registered <5>[ 6.356069] Asymmetric key parser 'x509' registered <6>[ 6.361464] bounce: pool size: 64 pages <6>[ 6.365318] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 247) <6>[ 6.372977] io scheduler mq-deadline registered <6>[ 6.377652] io scheduler kyber registered <4>[ 6.382773] test_firmware: interface ready <6>[ 6.546351] mxs-dma 110000.dma-controller: initialized <4>[ 6.606896] imx-sdma 20ec000.dma-controller: Direct firmware load for imx/sdma/sdma-imx6q.bin failed with error -2 <6>[ 6.615018] imx-sdma 20ec000.dma-controller: external firmware not found, using ROM firmware <6>[ 6.821952] Serial: 8250/16550 driver, 5 ports, IRQ sharing enabled <6>[ 6.844002] SuperH (H)SCI(F) driver initialized <6>[ 6.848656] 2020000.serial: ttymxc0 at MMIO 0x2020000 (irq = 34, base_baud = 5000000) is a IMX <6>[ 6.859456] 21e8000.serial: ttymxc1 at MMIO 0x21e8000 (irq = 81, base_baud = 5000000) is a IMX <6>[ 6.866013] printk: console [ttymxc1] enabled <6>[ 6.866013] printk: console [ttymxc1] enabled <6>[ 6.874795] printk: bootconsole [ec_imx21] disabled <6>[ 6.874795] printk: bootconsole [ec_imx21] disabled <6>[ 6.890950] msm_serial: driver initialized <6>[ 6.896293] STMicroelectronics ASC driver initialized <6>[ 6.907660] STM32 USART driver initialized <6>[ 6.932934] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 0 <4>[ 6.953190] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 6.961750] panel-simple panel-lcd: Specify missing connector_type <4>[ 6.969634] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 7.018055] brd: module loaded <6>[ 7.062739] loop: module loaded <6>[ 7.068943] lkdtm: No crash points registered, enable through debugfs <6>[ 7.089874] ahci-imx 2200000.sata: fsl,transmit-level-mV not specified, using 00000024 <6>[ 7.098095] ahci-imx 2200000.sata: fsl,transmit-boost-mdB not specified, using 00000480 <6>[ 7.106452] ahci-imx 2200000.sata: fsl,transmit-atten-16ths not specified, using 00002000 <6>[ 7.114974] ahci-imx 2200000.sata: fsl,receive-eq-mdB not specified, using 05000000 <4>[ 7.123240] ahci-imx 2200000.sata: supply ahci not found, using dummy regulator <4>[ 7.131662] ahci-imx 2200000.sata: supply phy not found, using dummy regulator <4>[ 7.139706] ahci-imx 2200000.sata: supply target not found, using dummy regulator <6>[ 7.151159] ahci-imx 2200000.sata: SSS flag set, parallel bus scan disabled <6>[ 7.158444] ahci-imx 2200000.sata: AHCI 0001.0300 32 slots 1 ports 3 Gbps 0x1 impl platform mode <6>[ 7.167611] ahci-imx 2200000.sata: flags: ncq sntf stag pm led clo only pmp pio slum part ccc apst <6>[ 7.181807] scsi host0: ahci-imx <6>[ 7.187373] ata1: SATA max UDMA/133 mmio [mem 0x02200000-0x02203fff] port 0x100 irq 84 <6>[ 7.247093] bgmac_bcma: Broadcom 47xx GBit MAC driver loaded <6>[ 7.260473] pps pps0: new PPS source ptp0 <6>[ 7.304155] fec 2188000.ethernet eth0: registered PHC device 0 <6>[ 7.314673] e1000e: Intel(R) PRO/1000 Network Driver <6>[ 7.319977] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. <6>[ 7.326403] igb: Intel(R) Gigabit Ethernet Network Driver <6>[ 7.332137] igb: Copyright (c) 2007-2014 Intel Corporation. <6>[ 7.358313] pegasus: v0.9.3 (2013/04/25), Pegasus/Pegasus II USB Ethernet driver <6>[ 7.366191] usbcore: registered new interface driver pegasus <6>[ 7.372368] usbcore: registered new interface driver asix <6>[ 7.378183] usbcore: registered new interface driver ax88179_178a <6>[ 7.384736] usbcore: registered new interface driver cdc_ether <6>[ 7.391097] usbcore: registered new interface driver smsc75xx <6>[ 7.397313] usbcore: registered new interface driver smsc95xx <6>[ 7.403516] usbcore: registered new interface driver net1080 <6>[ 7.409636] usbcore: registered new interface driver cdc_subset <6>[ 7.415977] usbcore: registered new interface driver zaurus <6>[ 7.422145] usbcore: registered new interface driver cdc_ncm <6>[ 7.439915] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver <6>[ 7.446802] ehci-pci: EHCI PCI platform driver <6>[ 7.451720] ehci-platform: EHCI generic platform driver <6>[ 7.458188] ehci-orion: EHCI orion driver <6>[ 7.463362] SPEAr-ehci: EHCI SPEAr driver <6>[ 7.468446] ehci-st: EHCI STMicroelectronics driver <6>[ 7.474433] ehci-exynos: EHCI Exynos driver <6>[ 7.479716] ehci-atmel: EHCI Atmel driver <6>[ 7.484783] tegra-ehci: Tegra EHCI driver <6>[ 7.489936] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver <6>[ 7.496469] ohci-pci: OHCI PCI platform driver <6>[ 7.501384] ohci-platform: OHCI generic platform driver <6>[ 7.507768] SPEAr-ohci: OHCI SPEAr driver <6>[ 7.512914] ohci-st: OHCI STMicroelectronics driver <6>[ 7.518867] ohci-atmel: OHCI Atmel driver <6>[ 7.522464] ata1: SATA link down (SStatus 0 SControl 300) <6>[ 7.527217] usbcore: registered new interface driver usb-storage <6>[ 7.529146] ahci-imx 2200000.sata: no device found, disabling link. <6>[ 7.541799] ahci-imx 2200000.sata: pass ahci_imx..hotplug=1 to enable hotplug <6>[ 7.565327] i2c /dev entries driver <6>[ 7.644922] sdhci: Secure Digital Host Controller Interface driver <6>[ 7.651441] sdhci: Copyright(c) Pierre Ossman <6>[ 7.665036] Synopsys Designware Multimedia Card Interface Driver <6>[ 7.678149] sdhci-pltfm: SDHCI platform and OF driver helper <6>[ 7.687748] sdhci-esdhc-imx 2198000.mmc: Got CD GPIO <6>[ 7.691256] sdhci-esdhc-imx 219c000.mmc: Got CD GPIO <6>[ 7.693284] sdhci-esdhc-imx 2198000.mmc: Got WP GPIO <6>[ 7.705531] ledtrig-cpu: registered to indicate activity on CPUs <6>[ 7.715389] usbcore: registered new interface driver usbhid <6>[ 7.721299] usbhid: USB HID core driver <6>[ 7.737148] mmc3: SDHCI controller on 219c000.mmc [219c000.mmc] using ADMA <6>[ 7.738706] mmc2: SDHCI controller on 2198000.mmc [2198000.mmc] using ADMA <6>[ 7.748968] ipip: IPv4 and MPLS over IPv4 tunneling driver <6>[ 7.759711] IPv4 over IPsec tunneling driver <6>[ 7.768654] NET: Registered protocol family 10 <6>[ 7.778609] Segment Routing with IPv6 <6>[ 7.788252] NET: Registered protocol family 17 <6>[ 7.793453] mmc2: new high speed SDHC card at address aaaa <6>[ 7.794348] 8021q: 802.1Q VLAN Support v1.8 <6>[ 7.802949] mmcblk2: mmc2:aaaa SL16G 14.8 GiB <5>[ 7.804797] Key type dns_resolver registered <6>[ 7.827171] ThumbEE CPU extension supported. <5>[ 7.831857] Registering SWP/SWPB emulation handler <4>[ 7.832760] GPT:Primary header thinks Alt. header is not at the end of the disk. <5>[ 7.840864] Loading compiled-in X.509 certificates <4>[ 7.844841] GPT:7812499 != 31116287 <4>[ 7.853602] GPT:Alternate GPT header not at the end of the disk. <4>[ 7.859960] GPT:7812499 != 31116287 <4>[ 7.863739] GPT: Use GNU Parted to correct GPT errors. <6>[ 7.869227] mmcblk2: p1 p2 p3 <4>[ 8.001366] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 8.009929] panel-simple panel-lcd: Specify missing connector_type <4>[ 8.022541] panel-simple panel-lvds0: supply power not found, using dummy regulator <4>[ 8.056418] imx_usb 2184200.usb: No over current polarity defined <6>[ 8.069348] ci_hdrc ci_hdrc.1: EHCI Host Controller <6>[ 8.074912] ci_hdrc ci_hdrc.1: new USB bus registered, assigned bus number 1 <6>[ 8.110173] ci_hdrc ci_hdrc.1: USB 2.0 started, EHCI 1.00 <6>[ 8.129337] hub 1-0:1.0: USB hub found <6>[ 8.133965] hub 1-0:1.0: 1 port detected <6>[ 8.148959] imx_thermal 20c8000.anatop:tempmon: Automotive CPU temperature grade - max:125C critical:120C passive:115C <4>[ 8.179243] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 8.187745] panel-simple panel-lcd: Specify missing connector_type <4>[ 8.200424] panel-simple panel-lvds0: supply power not found, using dummy regulator <4>[ 8.228654] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 8.237203] panel-simple panel-lcd: Specify missing connector_type <4>[ 8.249869] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 8.268943] input: gpio-keys as /devices/platform/gpio-keys/input/input0 <4>[ 8.295630] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 8.304103] panel-simple panel-lcd: Specify missing connector_type <4>[ 8.316695] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 8.337796] Micrel KSZ9021 Gigabit PHY 2188000.ethernet-1:07: attached PHY driver [Micrel KSZ9021 Gigabit PHY] (mii_bus:phy_addr=2188000.ethernet-1:07, irq=POLL) <6>[ 8.519913] usb 1-1: new high-speed USB device number 2 using ci_hdrc <6>[ 8.728157] hub 1-1:1.0: USB hub found <6>[ 8.733181] hub 1-1:1.0: 3 ports detected <4>[ 8.762378] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 8.770818] panel-simple panel-lcd: Specify missing connector_type <4>[ 8.783566] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 11.441529] fec 2188000.ethernet eth0: Link is Up - 1Gbps/Full - flow control off <6>[ 11.451258] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready <5>[ 11.479735] Sending DHCP requests ., OK <6>[ 11.524311] IP-Config: Got DHCP answer from 192.168.201.1, my address is 192.168.201.33 <6>[ 11.532702] IP-Config: Complete: <6>[ 11.536226] device=eth0, hwaddr=00:19:b8:08:f1:13, ipaddr=192.168.201.33, mask=255.255.255.0, gw=192.168.201.1 <6>[ 11.547034] host=imx6q-sabrelite-lava-cbg-3, domain=lava-rack, nis-domain=(none) <6>[ 11.555209] bootserver=192.168.201.1, rootserver=192.168.201.1, rootpath= <6>[ 11.555229] nameserver0=192.168.201.1 <6>[ 11.613898] Freeing unused kernel memory: 2048K <6>[ 11.620526] Run /init as init process Loading, please wait... Starting version 247.3-7+deb11u2 <6>[ 15.081483] imx-ipuv3 2400000.ipu: IPUv3H probed <4>[ 15.129448] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 15.137956] panel-simple panel-lcd: Specify missing connector_type <6>[ 15.138750] imx-ipuv3 2800000.ipu: IPUv3H probed <4>[ 15.166142] panel-simple panel-lvds0: supply power not found, using dummy regulator <4>[ 15.228195] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 15.250219] panel-simple panel-lcd: Specify missing connector_type <6>[ 15.253007] CAN device driver interface <4>[ 15.263161] panel-simple panel-lvds0: supply power not found, using dummy regulator <4>[ 15.347302] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 15.355946] panel-simple panel-lcd: Specify missing connector_type <4>[ 15.369172] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 15.400387] etnaviv etnaviv: bound 130000.gpu (ops gpu_ops [etnaviv]) <6>[ 15.409927] etnaviv etnaviv: bound 134000.gpu (ops gpu_ops [etnaviv]) <6>[ 15.417782] etnaviv etnaviv: bound 2204000.gpu (ops gpu_ops [etnaviv]) <6>[ 15.425340] etnaviv-gpu 130000.gpu: model: GC2000, revision: 5108 <6>[ 15.433539] etnaviv-gpu 134000.gpu: model: GC320, revision: 5007 <6>[ 15.440303] etnaviv-gpu 2204000.gpu: model: GC355, revision: 1215 <6>[ 15.446696] etnaviv-gpu 2204000.gpu: Ignoring GPU with VG and FE2.0 <6>[ 15.455804] [drm] Initialized etnaviv 1.3.0 20151214 for etnaviv on minor 1 <4>[ 15.474423] panel-simple panel-lcd: supply power not found, using dummy regulator <6>[ 15.482351] caam 2100000.crypto: Entropy delay = 3200 <4>[ 15.483578] panel-simple panel-lcd: Specify missing connector_type <4>[ 15.506715] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 15.548486] caam 2100000.crypto: Instantiated RNG4 SH0 <6>[ 15.554845] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) <6>[ 15.564097] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) <6>[ 15.573468] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) <6>[ 15.582720] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) <6>[ 15.609241] caam 2100000.crypto: Instantiated RNG4 SH1 <4>[ 15.610923] panel-simple panel-lcd: supply power not found, using dummy regulator <6>[ 15.614732] caam 2100000.crypto: device ID = 0x0a16010000000000 (Era 4) <4>[ 15.623253] panel-simple panel-lcd: Specify missing connector_type <6>[ 15.629337] caam 2100000.crypto: job rings = 2, qi = 0 <4>[ 15.642573] panel-simple panel-lvds0: supply power not found, using dummy regulator <4>[ 15.684482] usb_phy_generic usbphynop1: supply vcc not found, using dummy regulator <4>[ 15.693527] usb_phy_generic usbphynop1: dummy supplies not allowed for exclusive requests <6>[ 15.698693] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) <4>[ 15.702650] usb_phy_generic usbphynop2: supply vcc not found, using dummy regulator <6>[ 15.711043] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) <4>[ 15.719421] usb_phy_generic usbphynop2: dummy supplies not allowed for exclusive requests <6>[ 15.727518] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) <6>[ 15.744905] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) <6>[ 15.759317] sgtl5000 0-000a: sgtl5000 revision 0x11 <6>[ 15.770887] sgtl5000 0-000a: Using internal LDO instead of VDDD: check ER1 erratum <4>[ 15.807239] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 15.816091] panel-simple panel-lcd: Specify missing connector_type <4>[ 15.835030] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 15.868069] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) <6>[ 15.877139] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) <6>[ 15.886195] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) <6>[ 15.894955] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) <4>[ 15.928971] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 15.937681] panel-simple panel-lcd: Specify missing connector_type <4>[ 15.952095] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 15.990626] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) <6>[ 15.999305] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) <6>[ 16.008159] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) <6>[ 16.017091] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) <6>[ 16.548164] caam algorithms registered in /proc/crypto <6>[ 16.560302] caam 2100000.crypto: registering rng-caam <5>[ 16.689186] random: crng init done <4>[ 16.706085] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 16.715296] panel-simple panel-lcd: Specify missing connector_type <4>[ 16.728208] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 16.755954] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) <6>[ 16.764689] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) <6>[ 16.773500] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) <6>[ 16.782163] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) <4>[ 16.803351] panel-simple panel-lcd: supply power not found, using dummy regulator <4>[ 16.813116] panel-simple panel-lcd: Specify missing connector_type <4>[ 16.827680] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 16.853889] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) <6>[ 16.862728] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) <6>[ 16.871493] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) <6>[ 16.880202] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) Begin: Loading essential drivers ... done. Begin: Running /scripts/init-premount ... done. Begin: Mounting root file system ... Begin: Running /scripts/nfs-top ... done. Begin: Running /scripts/nfs-premount ... Waiting up to 60 secs for any ethernet to become available Device /sys/class/net/eth0 found done. IP-Config: eth0 hardware address 00:19:b8:08:f1:13 mtu 1500 DHCP IP-Config: eth0 complete (dhcp from 192.168.201.1): address: 192.168.201.33 broadcast: 192.168.201.255 netmask: 255.255.255.0 gateway: 192.168.201.1 dns0 : 192.168.201.1 dns1 : 0.0.0.0 host : imx6q-sabrelite-lava-cbg-3 domain : lava-rack rootserver: 192.168.201.1 rootpath: filename : done. Begin: Running /scripts/nfs-bottom ... done. Begin: Running /scripts/init-bottom ... done. <30>[ 19.168797] systemd[1]: System time before build time, advancing clock. <30>[ 19.413761] systemd[1]: systemd 247.3-7+deb11u2 running in system mode. (+PAM +AUDIT +SELINUX +IMA +APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL +XZ +LZ4 +ZSTD +SECCOMP +BLKID +ELFUTILS +KMOD +IDN2 -IDN +PCRE2 default-hierarchy=unified) <30>[ 19.440146] systemd[1]: Detected architecture arm. Welcome to Debian GNU/Linux 11 (bullseye)! <30>[ 19.506501] systemd[1]: Set hostname to . <30>[ 20.900381] systemd[1]: Queued start job for default target Graphical Interface. <30>[ 20.914298] systemd[1]: Created slice system-getty.slice. [ OK ] Created slice system-getty.slice. <30>[ 20.952276] systemd[1]: Created slice system-modprobe.slice. [ OK ] Created slice system-modprobe.slice. <30>[ 20.994521] systemd[1]: Created slice system-serial\x2dgetty.slice. [ OK ] Created slice system-serial\x2dgetty.slice. <30>[ 21.034928] systemd[1]: Created slice User and Session Slice. [ OK ] Created slice User and Session Slice. <30>[ 21.083524] systemd[1]: Started Dispatch Password Requests to Console Directory Watch. [ OK ] Started Dispatch Password …ts to Console Directory Watch. <30>[ 21.133055] systemd[1]: Started Forward Password Requests to Wall Directory Watch. [ OK ] Started Forward Password R…uests to Wall Directory Watch. <30>[ 21.181298] systemd[1]: Condition check resulted in Arbitrary Executable File Formats File System Automount Point being skipped. <30>[ 21.195214] systemd[1]: Reached target Local Encrypted Volumes. [ OK ] Reached target Local Encrypted Volumes. <30>[ 21.230440] systemd[1]: Reached target Paths. [ OK ] Reached target Paths. <30>[ 21.270687] systemd[1]: Reached target Remote File Systems. [ OK ] Reached target Remote File Systems. <30>[ 21.310603] systemd[1]: Reached target Slices. [ OK ] Reached target Slices. <30>[ 21.351606] systemd[1]: Reached target Swap. [ OK ] Reached target Swap. <30>[ 21.391990] systemd[1]: Listening on initctl Compatibility Named Pipe. [ OK ] Listening on initctl Compatibility Named Pipe. <30>[ 21.486847] systemd[1]: Condition check resulted in Journal Audit Socket being skipped. <30>[ 21.499065] systemd[1]: Listening on Journal Socket (/dev/log). [ OK ] Listening on Journal Socket (/dev/log). <30>[ 21.546636] systemd[1]: Listening on Journal Socket. [ OK ] Listening on Journal Socket. <30>[ 21.596210] systemd[1]: Listening on Network Service Netlink Socket. [ OK ] Listening on Network Service Netlink Socket. <30>[ 21.651677] systemd[1]: Listening on udev Control Socket. [ OK ] Listening on udev Control Socket. <30>[ 21.692611] systemd[1]: Listening on udev Kernel Socket. [ OK ] Listening on udev Kernel Socket. <30>[ 21.733636] systemd[1]: Condition check resulted in Huge Pages File System being skipped. <30>[ 21.744148] systemd[1]: Condition check resulted in POSIX Message Queue File System being skipped. <30>[ 21.762544] systemd[1]: Mounting Kernel Debug File System... Mounting Kernel Debug File System... <30>[ 21.819794] systemd[1]: Mounting Kernel Trace File System... Mounting Kernel Trace File System... <30>[ 21.888174] systemd[1]: Starting Create list of static device nodes for the current kernel... Starting Create list of st…odes for the current kernel... <30>[ 21.942500] systemd[1]: Starting Load Kernel Module configfs... Starting Load Kernel Module configfs... <30>[ 21.991595] systemd[1]: Starting Load Kernel Module drm... Starting Load Kernel Module drm... <30>[ 22.051887] systemd[1]: Starting Load Kernel Module fuse... Starting Load Kernel Module fuse... <30>[ 22.097199] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped. <6>[ 22.126122] fuse: init (API version 7.32) <30>[ 22.133701] systemd[1]: Starting Journal Service... Starting Journal Service... <30>[ 22.238547] systemd[1]: Starting Load Kernel Modules... Starting Load Kernel Modules... <30>[ 22.290418] systemd[1]: Starting Remount Root and Kernel File Systems... Starting Remount Root and Kernel File Systems... <30>[ 22.355726] systemd[1]: Starting Coldplug All udev Devices... Starting Coldplug All udev Devices... <30>[ 22.417680] systemd[1]: Mounted Kernel Debug File System. [ OK ] Mounted Kernel Debug File System. <30>[ 22.471523] systemd[1]: Mounted Kernel Trace File System. [ OK ] Mounted Kernel Trace File System. <30>[ 22.527673] systemd[1]: Finished Create list of static device nodes for the current kernel. [ OK ] Finished Create list of st… nodes for the current kernel. <30>[ 22.614590] systemd[1]: modprobe@configfs.service: Succeeded. <30>[ 22.625256] systemd[1]: Finished Load Kernel Module configfs. [ OK ] Finished Load Kernel Module configfs. <30>[ 22.665089] systemd[1]: modprobe@drm.service: Succeeded. <30>[ 22.675380] systemd[1]: Finished Load Kernel Module drm. [ OK ] Finished Load Kernel Module drm. <30>[ 22.715111] systemd[1]: modprobe@fuse.service: Succeeded. <30>[ 22.724914] systemd[1]: Finished Load Kernel Module fuse. [ OK ] Finished Load Kernel Module fuse. <30>[ 22.764821] systemd[1]: Finished Load Kernel Modules. [ OK ] Finished Load Kernel Modules. <30>[ 22.814801] systemd[1]: Finished Remount Root and Kernel File Systems. [ OK ] Finished Remount Root and Kernel File Systems. <30>[ 22.861637] systemd[1]: Started Journal Service. [ OK ] Started Journal Service. Mounting FUSE Control File System... Mounting Kernel Configuration File System... Starting Flush Journal to Persistent Storage... Starting Load/Save Random Seed... Starting Apply Kernel Variables... <46>[ 23.146470] systemd-journald[285]: 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 ] Finished Coldplug All udev Devices. [ OK ] Reached target System Initialization. [ OK ] Started Daily apt download activities. [ OK ] Started Daily apt upgrade and clean activities. [ OK ] Started Periodic ext4 Onli…ata Check for All Filesystems. [ OK ] Started Discard unused blocks once a week. [ OK ] Started Daily Cleanup of Temporary Directories. [ OK ] Reached target Timers. [ OK ] Listening on D-Bus System Message Bus Socket. [ OK ] Reached target Sockets. [ OK ] Reached target Basic System. [ OK ] Started D-Bus System Message Bus. Starting Remove Stale Onli…t4 Metadata Check Snapshots... Starting User Login Management... Starting Permit User Sessions... [ OK ] Found device /dev/ttymxc1. [ OK ] Finished Permit User Sessions. [ OK ] Finished Remove Stale Onli…ext4 Metadata Check Snapshots. [ OK ] Started User Login Management. [ OK ] Reached target Hardware activated USB gadget. [ OK ] Listening on Load/Save RF …itch Status /dev/rfkill Watch. [ OK ] Started Getty on tty1. [ OK ] Started Serial Getty on ttymxc1. [ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Finished Update UTMP about System Runlevel Changes. Debian GNU/Linux 11 debian-bullseye-armhf ttymxc1 debian-bullseye-armhf login: root (automatic login) Linux debian-bullseye-armhf 5.10.205-cip41 #1 SMP Wed Dec 20 23:42:20 UTC 2023 armv7l The programs included with the Debian GNU/Linux system are free software; the exact distribution terms for each program are described in the individual files in /usr/share/doc/*/copyright. Debian GNU/Linux comes with ABSOLUTELY NO WARRANTY, to the extent permitted by applicable law. / # / # export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/12331979/extract-nfsrootfs-3jed6pvq' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/12331979/extract-nfsrootfs-3jed6pvq' / # 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-12331979/environment . /lava-12331979/environment / # /lava-12331979/bin/lava-test-runner /lava-12331979/0 /lava-12331979/bin/lava-test-runner /lava-12331979/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-12331979/0/tests/0_timesync-off ++ cat uuid + UUID=12331979_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-12331979/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=12331979_1.6.2.4.5 + set +x + cd ./automated/linux/kselftest/ + ./kselftest.sh -c lkdtm -T '' -t kselftest_armhf.tar.gz -s True -u http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.201-cip41-540-g3640150b3b169/arm/multi_v7_defconfig+kselftest/gcc-10/kselftest.tar.xz -L '' -S /dev/null -b imx6q-sabrelite -g cip-gitlab -e '' -p /opt/kselftests/mainline/ -n 1 -i 1 INFO: install_deps skipped --2023-12-21 00:11:36-- http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.201-cip41-540-g3640150b3b169/arm/multi_v7_defconfig+kselftest/gcc-10/kselftest.tar.xz Resolving storage.kernelci.org (storage.kernelci.org)... 20.171.243.82 Connecting to storage.kernelci.org (storage.kernelci.org)|20.171.243.82|:80... connected. HTTP request sent, awaiting response... 200 OK Length: 1411064 (1.3M) [application/octet-stream] Saving to: 'kselftest.tar.xz' kselftest.tar.xz 0%[ ] 0 --.-KB/s kselftest.tar.xz 1%[ ] 20.46K 81.1KB/s kselftest.tar.xz 4%[ ] 67.60K 130KB/s kselftest.tar.xz 7%[> ] 103.89K 115KB/s kselftest.tar.xz 9%[> ] 128.41K 111KB/s kselftest.tar.xz 10%[=> ] 148.21K 105KB/s kselftest.tar.xz 12%[=> ] 168.00K 101KB/s kselftest.tar.xz 14%[=> ] 194.87K 101KB/s kselftest.tar.xz 16%[==> ] 221.74K 102KB/s kselftest.tar.xz 18%[==> ] 254.26K 104KB/s kselftest.tar.xz 20%[===> ] 286.78K 107KB/s kselftest.tar.xz 23%[===> ] 322.14K 109KB/s kselftest.tar.xz 26%[====> ] 360.32K 113KB/s eta 9s kselftest.tar.xz 28%[====> ] 397.08K 116KB/s eta 9s kselftest.tar.xz 31%[=====> ] 439.50K 121KB/s eta 9s kselftest.tar.xz 34%[=====> ] 470.61K 122KB/s eta 9s kselftest.tar.xz 37%[======> ] 511.62K 126KB/s eta 9s kselftest.tar.xz 40%[=======> ] 559.70K 131KB/s eta 6s kselftest.tar.xz 42%[=======> ] 592.22K 132KB/s eta 6s 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151KB/s eta 2s kselftest.tar.xz 94%[=================> ] 1.27M 146KB/s eta 2s kselftest.tar.xz 96%[==================> ] 1.30M 147KB/s eta 0s kselftest.tar.xz 99%[==================> ] 1.34M 141KB/s eta 0s kselftest.tar.xz 100%[===================>] 1.34M 141KB/s in 9.5s 2023-12-21 00:11:46 (145 KB/s) - 'kselftest.tar.xz' saved [1411064/1411064] skiplist: ======================================== ======================================== lkdtm:PANIC.sh lkdtm:BUG.sh lkdtm:WARNING.sh lkdtm:WARNING_MESSAGE.sh lkdtm:EXCEPTION.sh lkdtm:LOOP.sh lkdtm:EXHAUST_STACK.sh lkdtm:CORRUPT_STACK.sh lkdtm:CORRUPT_STACK_STRONG.sh lkdtm:CORRUPT_LIST_ADD.sh lkdtm:CORRUPT_LIST_DEL.sh lkdtm:STACK_GUARD_PAGE_LEADING.sh lkdtm:STACK_GUARD_PAGE_TRAILING.sh lkdtm:UNSET_SMEP.sh lkdtm:DOUBLE_FAULT.sh lkdtm:CORRUPT_PAC.sh lkdtm:UNALIGNED_LOAD_STORE_WRITE.sh lkdtm:OVERWRITE_ALLOCATION.sh lkdtm:WRITE_AFTER_FREE.sh lkdtm:READ_AFTER_FREE.sh lkdtm:WRITE_BUDDY_AFTER_FREE.sh lkdtm:READ_BUDDY_AFTER_FREE.sh lkdtm:SLAB_FREE_DOUBLE.sh lkdtm:SLAB_FREE_CROSS.sh lkdtm:SLAB_FREE_PAGE.sh lkdtm:SOFTLOCKUP.sh lkdtm:HARDLOCKUP.sh lkdtm:SPINLOCKUP.sh lkdtm:HUNG_TASK.sh lkdtm:EXEC_DATA.sh lkdtm:EXEC_STACK.sh lkdtm:EXEC_KMALLOC.sh lkdtm:EXEC_VMALLOC.sh lkdtm:EXEC_RODATA.sh lkdtm:EXEC_USERSPACE.sh lkdtm:EXEC_NULL.sh lkdtm:ACCESS_USERSPACE.sh lkdtm:ACCESS_NULL.sh lkdtm:WRITE_RO.sh lkdtm:WRITE_RO_AFTER_INIT.sh lkdtm:WRITE_KERN.sh lkdtm:REFCOUNT_INC_OVERFLOW.sh lkdtm:REFCOUNT_ADD_OVERFLOW.sh lkdtm:REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_DEC_ZERO.sh lkdtm:REFCOUNT_DEC_NEGATIVE.sh lkdtm:REFCOUNT_DEC_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_SUB_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_INC_ZERO.sh lkdtm:REFCOUNT_ADD_ZERO.sh lkdtm:REFCOUNT_INC_SATURATED.sh lkdtm:REFCOUNT_DEC_SATURATED.sh lkdtm:REFCOUNT_ADD_SATURATED.sh lkdtm:REFCOUNT_INC_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_DEC_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_SUB_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_TIMING.sh lkdtm:ATOMIC_TIMING.sh lkdtm:USERCOPY_HEAP_SIZE_TO.sh lkdtm:USERCOPY_HEAP_SIZE_FROM.sh lkdtm:USERCOPY_HEAP_WHITELIST_TO.sh lkdtm:USERCOPY_HEAP_WHITELIST_FROM.sh lkdtm:USERCOPY_STACK_FRAME_TO.sh lkdtm:USERCOPY_STACK_FRAME_FROM.sh lkdtm:USERCOPY_STACK_BEYOND.sh lkdtm:USERCOPY_KERNEL.sh lkdtm:STACKLEAK_ERASING.sh lkdtm:CFI_FORWARD_PROTO.sh ============== Tests to run =============== lkdtm:PANIC.sh lkdtm:BUG.sh lkdtm:WARNING.sh lkdtm:WARNING_MESSAGE.sh lkdtm:EXCEPTION.sh lkdtm:LOOP.sh lkdtm:EXHAUST_STACK.sh lkdtm:CORRUPT_STACK.sh lkdtm:CORRUPT_STACK_STRONG.sh lkdtm:CORRUPT_LIST_ADD.sh lkdtm:CORRUPT_LIST_DEL.sh lkdtm:STACK_GUARD_PAGE_LEADING.sh lkdtm:STACK_GUARD_PAGE_TRAILING.sh lkdtm:UNSET_SMEP.sh lkdtm:DOUBLE_FAULT.sh lkdtm:CORRUPT_PAC.sh lkdtm:UNALIGNED_LOAD_STORE_WRITE.sh lkdtm:OVERWRITE_ALLOCATION.sh lkdtm:WRITE_AFTER_FREE.sh lkdtm:READ_AFTER_FREE.sh lkdtm:WRITE_BUDDY_AFTER_FREE.sh lkdtm:READ_BUDDY_AFTER_FREE.sh lkdtm:SLAB_FREE_DOUBLE.sh lkdtm:SLAB_FREE_CROSS.sh lkdtm:SLAB_FREE_PAGE.sh lkdtm:SOFTLOCKUP.sh lkdtm:HARDLOCKUP.sh lkdtm:SPINLOCKUP.sh lkdtm:HUNG_TASK.sh lkdtm:EXEC_DATA.sh lkdtm:EXEC_STACK.sh lkdtm:EXEC_KMALLOC.sh lkdtm:EXEC_VMALLOC.sh lkdtm:EXEC_RODATA.sh lkdtm:EXEC_USERSPACE.sh lkdtm:EXEC_NULL.sh lkdtm:ACCESS_USERSPACE.sh lkdtm:ACCESS_NULL.sh lkdtm:WRITE_RO.sh lkdtm:WRITE_RO_AFTER_INIT.sh lkdtm:WRITE_KERN.sh lkdtm:REFCOUNT_INC_OVERFLOW.sh lkdtm:REFCOUNT_ADD_OVERFLOW.sh lkdtm:REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_DEC_ZERO.sh lkdtm:REFCOUNT_DEC_NEGATIVE.sh lkdtm:REFCOUNT_DEC_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_SUB_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_INC_ZERO.sh lkdtm:REFCOUNT_ADD_ZERO.sh lkdtm:REFCOUNT_INC_SATURATED.sh lkdtm:REFCOUNT_DEC_SATURATED.sh lkdtm:REFCOUNT_ADD_SATURATED.sh lkdtm:REFCOUNT_INC_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_DEC_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_SUB_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_TIMING.sh lkdtm:ATOMIC_TIMING.sh lkdtm:USERCOPY_HEAP_SIZE_TO.sh lkdtm:USERCOPY_HEAP_SIZE_FROM.sh lkdtm:USERCOPY_HEAP_WHITELIST_TO.sh lkdtm:USERCOPY_HEAP_WHITELIST_FROM.sh lkdtm:USERCOPY_STACK_FRAME_TO.sh lkdtm:USERCOPY_STACK_FRAME_FROM.sh lkdtm:USERCOPY_STACK_BEYOND.sh lkdtm:USERCOPY_KERNEL.sh lkdtm:STACKLEAK_ERASING.sh lkdtm:CFI_FORWARD_PROTO.sh ===========End Tests to run =============== shardfile-lkdtm pass <12>[ 62.735476] kselftest: Running tests in lkdtm TAP version 13 1..70 # selftests: lkdtm: PANIC.sh # Skipping PANIC: crashes entire system ok 1 selftests: lkdtm: PANIC.sh # SKIP # selftests: lkdtm: BUG.sh <6>[ 63.765794] lkdtm: Performing direct entry BUG <4>[ 63.770959] ------------[ cut here ]------------ <2>[ 63.775851] kernel BUG at drivers/misc/lkdtm/bugs.c:76! <0>[ 63.781348] Internal error: Oops - BUG: 0 [#1] SMP ARM <4>[ 63.786756] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm phy_generic snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched parallel_display imxdrm imx_ipu_v3 <4>[ 63.816101] CPU: 2 PID: 712 Comm: cat Not tainted 5.10.205-cip41 #1 <4>[ 63.822652] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 63.829478] PC is at lkdtm_BUG+0x14/0x18 <4>[ 63.833693] LR is at lkdtm_do_action+0x2c/0x4c <4>[ 63.838422] pc : [] lr : [] psr: a00e0013 <4>[ 63.844971] sp : c6961e58 ip : c6961e68 fp : c6961e64 <4>[ 63.850476] r10: 00000004 r9 : c1ad573c r8 : c15ebd0c <4>[ 63.855982] r7 : c6961f60 r6 : 00000004 r5 : c5953000 r4 : 00000001 <4>[ 63.862793] r3 : c0c57e80 r2 : ea39b35e r1 : ef7ab5e0 r0 : c15ebd14 <4>[ 63.869606] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 63.877026] Control: 10c5387d Table: 1685804a DAC: 00000051 <0>[ 63.883057] Process cat (pid: 712, stack limit = 0xb4f8d7df) <0>[ 63.888999] Stack: (0xc6961e58 to 0xc6962000) <0>[ 63.893643] 1e40: c6961e74 c6961e68 <0>[ 63.902111] 1e60: c0c57914 c0c57e8c c6961e9c c6961e78 c0c57e14 c0c578f4 c0c57cf4 c5ac6000 <0>[ 63.910580] 1e80: b6dce000 00000004 c307a6c0 c6961f60 c6961ec4 c6961ea0 c07e1b90 c0c57d00 <0>[ 63.919047] 1ea0: 00000000 c5ac6000 b6dce000 c2815800 c6961f60 c07e1b2c c6961f5c c6961ec8 <0>[ 63.927515] 1ec0: c059ba7c c07e1b38 00000001 00000000 c059c028 c13dd478 c059c028 c6960000 <0>[ 63.935985] 1ee0: b6dce000 00020000 00000004 00000004 0001fffc c6961ee0 00000001 b6dcd000 <0>[ 63.944451] 1f00: c5a8b900 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 63.952919] 1f20: 00000000 00000000 c13dd478 ea39b35e c206c120 c5ac6000 c5ac6000 c6960000 <0>[ 63.961387] 1f40: b6dce000 00000000 00000000 00000004 c6961f94 c6961f60 c059c028 c059b97c <0>[ 63.969856] 1f60: 00000000 00000000 c6961fac ea39b35e 00000004 00000004 b6f15e00 00000004 <0>[ 63.978324] 1f80: c03002e4 c6960000 c6961fa4 c6961f98 c059c0b8 c059bfc0 00000000 c6961fa8 <0>[ 63.986791] 1fa0: c03000c0 c059c0ac 00000004 00000004 00000001 b6dce000 00000004 00000000 <0>[ 63.995259] 1fc0: 00000004 00000004 b6f15e00 00000004 00000001 00000000 00020000 beee2ac4 <0>[ 64.003729] 1fe0: 00000004 beee27f8 b6e7fd8f b6e067e6 800e0030 00000001 00000000 00000000 <0>[ 64.012183] Backtrace: <0>[ 64.014940] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 64.022807] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 64.031115] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 64.039328] r9:c6961f60 r8:c307a6c0 r7:00000004 r6:b6dce000 r5:c5ac6000 r4:c0c57cf4 <0>[ 64.047376] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 64.055496] r9:c07e1b2c r8:c6961f60 r7:c2815800 r6:b6dce000 r5:c5ac6000 r4:00000000 <0>[ 64.063535] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 64.070960] r10:00000004 r9:00000000 r8:00000000 r7:b6dce000 r6:c6960000 r5:c5ac6000 <0>[ 64.079069] r4:c5ac6000 <0>[ 64.081897] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 64.089322] r9:c6960000 r8:c03002e4 r7:00000004 r6:b6f15e00 r5:00000004 r4:00000004 <0>[ 64.097362] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 64.105212] Exception stack(0xc6961fa8 to 0xc6961ff0) <0>[ 64.110552] 1fa0: 00000004 00000004 00000001 b6dce000 00000004 00000000 <0>[ 64.119020] 1fc0: 00000004 00000004 b6f15e00 00000004 00000001 00000000 00020000 beee2ac4 <0>[ 64.127481] 1fe0: 00000004 beee27f8 b6e7fd8f b6e067e6 <0>[ 64.132825] Code: e92dd800 e24cb004 e52de004 e8bd4000 (e7f001f2) <4>[ 64.139214] ---[ end trace 6cad11b2953b10bd ]--- <3>[ 64.144121] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 64.153279] in_atomic(): 0, irqs_disabled(): 128, non_block: 0, pid: 712, name: cat <4>[ 64.161211] INFO: lockdep is turned off. <4>[ 64.165412] irq event stamp: 1592 <4>[ 64.169031] hardirqs last enabled at (1591): [] console_unlock+0x4b0/0x6c0 <4>[ 64.177149] hardirqs last disabled at (1592): [] __und_svc+0x60/0x6c <4>[ 64.184659] softirqs last enabled at (1588): [] __do_softirq+0x36c/0x5a0 <4>[ 64.192606] softirqs last disabled at (1571): [] __irq_exit_rcu+0x178/0x1d0 <4>[ 64.200724] CPU: 2 PID: 712 Comm: cat Tainted: G D 5.10.205-cip41 #1 <4>[ 64.208660] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 64.215466] Backtrace: <4>[ 64.218224] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 64.226083] r7:ffffffff r6:600e0093 r5:00000000 r4:c1f1d0b8 <4>[ 64.232042] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 64.239660] [] (dump_stack) from [] (___might_sleep+0x188/0x2e0) <4>[ 64.247695] r9:600e0093 r8:0000000b r7:c035c468 r6:00000031 r5:c19d199c r4:c6960000 <4>[ 64.255732] [] (___might_sleep) from [] (__might_sleep+0x70/0xb0) <4>[ 64.263847] r6:00000000 r5:00000031 r4:c19d199c <4>[ 64.268771] [] (__might_sleep) from [] (exit_signals+0x4c/0x420) <4>[ 64.276800] r6:00000001 r5:c6960000 r4:c5b05e80 <4>[ 64.281726] [] (exit_signals) from [] (do_exit+0x100/0xafc) <4>[ 64.289325] r8:0000000b r7:c1e1cb0c r6:ffffe000 r5:00000000 r4:c5b05e80 <4>[ 64.296326] [] (do_exit) from [] (make_task_dead+0x68/0x74) <4>[ 64.303917] r7:c1e1cb0c <4>[ 64.306750] [] (make_task_dead) from [] (die+0x370/0x37c) <4>[ 64.314177] [] (die) from [] (do_undefinstr+0x170/0x240) <4>[ 64.321517] r10:00000004 r9:c6960000 r8:c15ebd0c r7:00000000 r6:c6961dc8 r5:c0c57e94 <4>[ 64.329626] r4:e7f001f2 <4>[ 64.332452] [] (do_undefinstr) from [] (__und_svc_finish+0x0/0x54) <4>[ 64.340651] Exception stack(0xc6961dc8 to 0xc6961e10) <4>[ 64.345993] 1dc0: c15ebd14 ef7ab5e0 ea39b35e c0c57e80 00000001 c5953000 <4>[ 64.354462] 1de0: 00000004 c6961f60 c15ebd0c c1ad573c 00000004 c6961e64 c6961e68 c6961e58 <4>[ 64.362923] 1e00: c0c57914 c0c57e94 a00e0013 ffffffff <4>[ 64.368260] r7:c6961dfc r6:ffffffff r5:a00e0013 r4:c0c57e98 <4>[ 64.374216] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 64.382077] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 64.390380] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 64.398588] r9:c6961f60 r8:c307a6c0 r7:00000004 r6:b6dce000 r5:c5ac6000 r4:c0c57cf4 <4>[ 64.406631] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 64.414752] r9:c07e1b2c r8:c6961f60 r7:c2815800 r6:b6dce000 r5:c5ac6000 r4:00000000 <4>[ 64.422788] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 64.430213] r10:00000004 r9:00000000 r8:00000000 r7:b6dce000 r6:c6960000 r5:c5ac6000 <4>[ 64.438322] r4:c5ac6000 <4>[ 64.441149] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 64.448575] r9:c6960000 r8:c03002e4 r7:00000004 r6:b6f15e00 r5:00000004 r4:00000004 <4>[ 64.456610] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 64.464460] Exception stack(0xc6961fa8 to 0xc6961ff0) <4>[ 64.469800] 1fa0: 00000004 00000004 00000001 b6dce000 00000004 00000000 <4>[ 64.478269] 1fc0: 00000004 00000004 b6f15e00 00000004 00000001 00000000 00020000 beee2ac4 <4>[ 64.486731] 1fe0: 00000004 beee27f8 b6e7fd8f b6e067e6 # Segmentation fault # [ 63.765794] lkdtm: Performing direct entry BUG # [ 63.770959] ------------[ cut here ]------------ # [ 63.775851] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 63.781348] Internal error: Oops - BUG: 0 [#1] SMP ARM # [ 63.786756] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm phy_generic snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched parallel_display imxdrm imx_ipu_v3 # [ 63.816101] CPU: 2 PID: 712 Comm: cat Not tainted 5.10.205-cip41 #1 # [ 63.822652] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 63.829478] PC is at lkdtm_BUG+0x14/0x18 # [ 63.833693] LR is at lkdtm_do_action+0x2c/0x4c # [ 63.838422] pc : [] lr : [] psr: a00e0013 # [ 63.844971] sp : c6961e58 ip : c6961e68 fp : c6961e64 # [ 63.850476] r10: 00000004 r9 : c1ad573c r8 : c15ebd0c # [ 63.855982] r7 : c6961f60 r6 : 00000004 r5 : c5953000 r4 : 00000001 # [ 63.862793] r3 : c0c57e80 r2 : ea39b35e r1 : ef7ab5e0 r0 : c15ebd14 # [ 63.869606] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 63.877026] Control: 10c5387d Table: 1685804a DAC: 00000051 # [ 63.883057] Process cat (pid: 712, stack limit = 0xb4f8d7df) # [ 63.888999] Stack: (0xc6961e58 to 0xc6962000) # [ 63.893643] 1e40: c6961e74 c6961e68 # [ 63.902111] 1e60: c0c57914 c0c57e8c c6961e9c c6961e78 c0c57e14 c0c578f4 c0c57cf4 c5ac6000 # [ 63.910580] 1e80: b6dce000 00000004 c307a6c0 c6961f60 c6961ec4 c6961ea0 c07e1b90 c0c57d00 # [ 63.919047] 1ea0: 00000000 c5ac6000 b6dce000 c2815800 c6961f60 c07e1b2c c6961f5c c6961ec8 # [ 63.927515] 1ec0: c059ba7c c07e1b38 00000001 00000000 c059c028 c13dd478 c059c028 c6960000 # [ 63.935985] 1ee0: b6dce000 00020000 00000004 00000004 0001fffc c6961ee0 00000001 b6dcd000 # [ 63.944451] 1f00: c5a8b900 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 63.952919] 1f20: 00000000 00000000 c13dd478 ea39b35e c206c120 c5ac6000 c5ac6000 c6960000 # [ 63.961387] 1f40: b6dce000 00000000 00000000 00000004 c6961f94 c6961f60 c059c028 c059b97c # [ 63.969856] 1f60: 00000000 00000000 c6961fac ea39b35e 00000004 00000004 b6f15e00 00000004 # [ 63.978324] 1f80: c03002e4 c6960000 c6961fa4 c6961f98 c059c0b8 c059bfc0 00000000 c6961fa8 # [ 63.986791] 1fa0: c03000c0 c059c0ac 00000004 00000004 00000001 b6dce000 00000004 00000000 # [ 63.995259] 1fc0: 00000004 00000004 b6f15e00 00000004 00000001 00000000 00020000 beee2ac4 # [ 64.003729] 1fe0: 00000004 beee27f8 b6e7fd8f b6e067e6 800e0030 00000001 00000000 00000000 # [ 64.012183] Backtrace: # [ 64.014940] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) # [ 64.022807] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 64.031115] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 64.039328] r9:c6961f60 r8:c307a6c0 r7:00000004 r6:b6dce000 r5:c5ac6000 r4:c0c57cf4 # [ 64.047376] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 64.055496] r9:c07e1b2c r8:c6961f60 r7:c2815800 r6:b6dce000 r5:c5ac6000 r4:00000000 # [ 64.063535] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 64.070960] r10:00000004 r9:00000000 r8:00000000 r7:b6dce000 r6:c6960000 r5:c5ac6000 # [ 64.079069] r4:c5ac6000 # [ 64.081897] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 64.089322] r9:c6960000 r8:c03002e4 r7:00000004 r6:b6f15e00 r5:00000004 r4:00000004 # [ 64.097362] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 64.105212] Exception stack(0xc6961fa8 to 0xc6961ff0) # [ 64.110552] 1fa0: 00000004 00000004 00000001 b6dce000 00000004 00000000 # [ 64.119020] 1fc0: 00000004 00000004 b6f15e00 00000004 00000001 00000000 00020000 beee2ac4 # [ 64.127481] 1fe0: 00000004 beee27f8 b6e7fd8f b6e067e6 # [ 64.132825] Code: e92dd800 e24cb004 e52de004 e8bd4000 (e7f001f2) # [ 64.139214] ---[ end trace 6cad11b2953b10bd ]--- # [ 64.144121] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 64.153279] in_atomic(): 0, irqs_disabled(): 128, non_block: 0, pid: 712, name: cat # [ 64.161211] INFO: lockdep is turned o<6>[ 64.940158] lkdtm: Performing direct entry WARNING ff. # [ 64.165412] irq event s<4>[ 64.946577] ------------[ cut here ]------------ tamp: 1592 # [ 64.169031] hard<4>[ 64.954434] WARNING: CPU: 3 PID: 784 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x48/0x4c irqs last enabled at (1591): [[ 64.965982] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm phy_generic snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched parallel_display imxdrm imx_ipu_v3 03d68b8>] console_unlock+0x4b0/0x<4>[ 64.997948] CPU: 3 PID: 784 Comm: cat Tainted: G D W 5.10.205-cip41 #1 6c0 # [ 64.177149] hardirqs la<4>[ 65.008607] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) st disabled at (1592): [[ 65.018266] Backtrace: >] __und_svc+0x60/0x6c # [ 64.<4>[ 65.023870] [] (dump_backtrace) from [] (show_stack+0x20/0x24) 184659] softirqs last enabled at<4>[ 65.034556] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 (1588): [] __do_softir<4>[ 65.043357] [] (show_stack) from [] (dump_stack+0xe0/0x100) q+0x36c/0x5a0 # [ 64.192606] s<4>[ 65.053798] [] (dump_stack) from [] (__warn+0x98/0x14c) oftirqs last disabled at (1571): <4>[ 65.063880] r9:00000009 r8:c0c57ee0 r7:00000053 r6:00000009 r5:c0c57ee0 r4:c1ad5df8 [] __irq_exit_rcu+0x178<4>[ 65.074757] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) /0x1d0 # [ 64.200724] CPU: 2 P<4>[ 65.085360] r7:00000053 r6:c1ad5df8 r5:00000000 r4:c6c26000 ID: 712 Comm: cat Tainted: G <4>[ 65.094158] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING+0x48/0x4c) D 5.10.205-cip41 #1 #<4>[ 65.105373] r9:c1ad5740 r8:c15ebd0c r7:c6c27f60 r6:00000008 r5:c6ca7000 r4:00000002 [ 64.208660] Hardware name: Fr<4>[ 65.116252] [] (lkdtm_WARNING) from [] (lkdtm_do_action+0x2c/0x4c) eescale i.MX6 Quad/DualLite (Devi<4>[ 65.127295] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) ce Tree) # [ 64.215466] Backtr<4>[ 65.138444] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) ace: # [ 64.218224] [[ 65.149475] r9:c6c27f60 r8:c307a6c0 r7:00000008 r6:b6e59000 r5:c5ff2f00 r4:c0c57cf4 0>] (dump_backtrace) from [[ 65.160365] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) 620>] (show_stack+0x20/0x24) # [<4>[ 65.171308] r9:c07e1b2c r8:c6c27f60 r7:c2815800 r6:b6e59000 r5:c5ff2f00 r4:00000000 64.226083] r7:ffffffff r6:600<4>[ 65.182186] [] (vfs_write) from [] (ksys_write+0x74/0xec) e0093 r5:00000000 r4:c1f1d0b8 # <4>[ 65.192447] r10:00000004 r9:00000000 r8:00000000 r7:b6e59000 r6:c6c26000 r5:c5ff2f00 [ 64.232042] [] (show<4>[ 65.203394] r4:c5ff2f00 _stack) from [] (dump_s<4>[ 65.209074] [] (ksys_write) from [] (sys_write+0x18/0x1c) tack+0xe0/0x100<4>[ 65.219338] r9:c6c26000 r8:c03002e4 r7:00000004 r6:b6fa0e00 r5:00000008 r4:00000008 <4>[ 65.228652] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 65.236505] Exception stack(0xc6c27fa8 to 0xc6c27ff0) <4>[ 65.241849] 7fa0: 00000008 00000008 00000001 b6e59000 00000008 00000000 <4>[ 65.250318] 7fc0: 00000008 00000008 b6fa0e00 00000004 00000001 00000000 00020000 bee4cac4 <4>[ 65.258781] 7fe0: 00000004 bee4c7f8 b6f0ad8f b6e917e6 <4>[ 65.264278] irq event stamp: 0 <4>[ 65.267643] hardirqs last enabled at (0): [<00000000>] 0x0 ) <4>[ 65.273603] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 64.239660] [] (du<4>[ 65.281614] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac mp_stack) from [] (___m<4>[ 65.292290] softirqs last disabled at (0): [<00000000>] 0x0 ight_sleep+0x188/0x2e0) # [ 64<4>[ 65.300996] ---[ end trace 6cad11b2953b10be ]--- .247695] r9:600e0093 r8:0000000b r7:c035c468 r6:00000031 r5:c19d199c r4:c6960000 # [ 64.255732] [] (___might_sleep) from [] (__might_sleep+0x70/0xb0) # [ 64.263847] r6:00000000 r5:00000031 r4:c19d199c # [ 64.268771] [] (__might_sleep) from [] (exit_signals+0x4c/0x420) # [ 64.276800] r6:00000001 r5:c6960000 r4:c5b05e80 # [ 64.281726] [] (exit_signals) from [] (do_exit+0x100/0xafc) # [ 64.289325] r8:0000000b r7:c1e1cb0c r6:ffffe000 r5:00000000 r4:c5b05e80 # [ 64.296326] [] (do_exit) from [] (make_task_dead+0x68/0x74) # [ 64.303917] r7:c1e1cb0c # [ 64.306750] [] (make_task_dead) from [] (die+0x370/0x37c) # [ 64.314177] [] (die) from [] (do_undefinstr+0x170/0x240) # [ 64.321517] r10:00000004 r9:c6960000 r8:c15ebd0c r7:00000000 r6:c6961dc8 r5:c0c57e94 # [ 64.329626] r4:e7f001f2 # [ 64.332452] [] (do_undefinstr) from [] (__und_svc_finish+0x0/0x54) # [ 64.340651] Exception stack(0xc6961dc8 to 0xc6961e10) # [ 64.345993] 1dc0: c15ebd14 ef7ab5e0 ea39b35e c0c57e80 00000001 c5953000 # [ 64.354462] 1de0: 00000004 c6961f60 c15ebd0c c1ad573c 00000004 c6961e64 c6961e68 c6961e58 # [ 64.362923] 1e00: c0c57914 c0c57e94 a00e0013 ffffffff # [ 64.368260] r7:c6961dfc r6:ffffffff r5:a00e0013 r4:c0c57e98 # [ 64.374216] [] (lkdtm_BUG) from [] (lkdtm_do_action+0x2c/0x4c) # [ 64.382077] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 64.390380] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 64.398588] r9:c6961f60 r8:c307a6c0 r7:00000004 r6:b6dce000 r5:c5ac6000 r4:c0c57cf4 # [ 64.406631] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 64.414752] r9:c07e1b2c r8:c6961f60 r7:c2815800 r6:b6dce000 r5:c5ac6000 r4:00000000 # [ 64.422788] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 64.430213] r10:00000004 r9:00000000 r8:00000000 r7:b6dce000 r6:c6960000 r5:c5ac6000 # [ 64.438322] r4:c5ac6000 # [ 64.441149] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 64.448575] r9:c6960000 r8:c03002e4 r7:00000004 r6:b6f15e00 r5:00000004 r4:00000004 # [ 64.456610] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 64.464460] Exception stack(0xc6961fa8 to 0xc6961ff0) # [ 64.469800] 1fa0: 00000004 00000004 00000001 b6dce000 00000004 00000000 # [ 64.478269] 1fc0: 00000004 00000004 b6f15e00 00000004 00000001 00000000 00020000 beee2ac4 # [ 64.486731] 1fe0: 00000004 beee27f8 b6e7fd8f b6e067e6 # BUG: saw 'kernel BUG at': ok ok 2 selftests: lkdtm: BUG.sh # selftests: lkdtm: WARNING.sh # [ 64.940158] lkdtm: Performing direct entry WARNING # [ 64.946577] ------------[ cut here ]------------ # [ 64.954434] WARNING: CPU: 3 PID: 784 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x48/0x4c # [ 64.965982] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm phy_generic snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched parallel_display imxdrm imx_ipu_v3 # [ 64.997948] CPU: 3 PID: 784 Comm: cat Tainted: G D W 5.10.205-cip41 #1 # [ 65.008607] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 65.018266] Backtrace: # [ 65.023870] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 65.034556] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 65.043357] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 65.053798] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 65.063880] r9:00000009 r8:c0c57ee0 r7:00000053 r6<6>[ 65.652581] lkdtm: Performing direct entry WARNING_MESSAGE :00000009 r5:c0c57ee0 r4:c1ad5df8<4>[ 65.659020] ------------[ cut here ]------------ # [ 65.074757] [] (<4>[ 65.666930] WARNING: CPU: 1 PID: 820 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x4c/0x54 __warn) from [] (warn_s<4>[ 65.679123] Warning message trigger count: 2 lowpath_fmt+0x8c/0xa8) # [ 65.<4>[ 65.686513] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm phy_generic snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched parallel_display imxdrm imx_ipu_v3 085360] r7:00000053 r6:c1ad5df8 <4>[ 65.718435] CPU: 1 PID: 820 Comm: cat Tainted: G D W 5.10.205-cip41 #1 r5:00000000 r4:c6c26000 # [ 65<4>[ 65.729159] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) .094158] [] (warn_slowp<4>[ 65.738809] Backtrace: ath_fmt) from [] (lkdtm<4>[ 65.744392] [] (dump_backtrace) from [] (show_stack+0x20/0x24) _WARNING+0x48/0x4c) # [ 65.105<4>[ 65.755076] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 373] r9:c1ad5740 r8:c15ebd0c r7:<4>[ 65.763862] [] (show_stack) from [] (dump_stack+0xe0/0x100) c6c27f60 r6:00000008 r5:c6ca7000 <4>[ 65.774298] [] (dump_stack) from [] (__warn+0x98/0x14c) r4:00000002 # [ 65.116252] [[ 65.784376] r9:00000009 r8:c0c57f30 r7:00000058 r6:00000009 r5:c0c57f30 r4:c1ad5df8 0c57e98>] (lkdtm_WARNING) from [<<4>[ 65.795243] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) c0c57914>] (lkdtm_do_action+0x2c/<4>[ 65.805844] r7:00000058 r6:c1ad5df8 r5:c1ad5e14 r4:c69d0000 0x4c) # [ 65.127295] [[ 65.814631] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING_MESSAGE+0x4c/0x54) 8>] (lkdtm_do_action) from [[ 65.826535] r9:c1ad5748 r8:c15ebd0c r7:c69d1f60 r6:00000010 r5:c6cc7000 r4:00000003 7e14>] (direct_entry+0x120/0x18c)<4>[ 65.837404] [] (lkdtm_WARNING_MESSAGE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 65.138444] [] (<4>[ 65.849134] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) direct_entry) from [] (<4>[ 65.860267] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) full_proxy_write+0x64/0x94) # [ <4>[ 65.871303] r9:c69d1f60 r8:c307a6c0 r7:00000010 r6:b6e9d000 r5:c46bedc0 r4:c0c57cf4 65.149475] r9:c6c27f60 r8:c307<4>[ 65.882175] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) a6c0 r7:00000008 r6:b6e59000 r5:c<4>[ 65.893121] r9:c07e1b2c r8:c69d1f60 r7:c2815800 r6:b6e9d000 r5:c46bedc0 r4:00000000 5ff2f00 r4:c0c57cf4 # [ 65.160<4>[ 65.903987] [] (vfs_write) from [] (ksys_write+0x74/0xec) 365] [] (full_proxy_wri<4>[ 65.914246] r10:00000004 r9:00000000 r8:00000000 r7:b6e9d000 r6:c69d0000 r5:c46bedc0 te) from [] (vfs_write+<4>[ 65.925192] r4:c46bedc0 0x10c/0x53c) # [ 65.171308] r<4>[ 65.930856] [] (ksys_write) from [] (sys_write+0x18/0x1c) 9:c07e1b2c r8:c6c27f60 r7:c281580<4>[ 65.941114] r9:c69d0000 r8:c03002e4 r7:00000004 r6:b6fe4e00 r5:00000010 r4:00000010 0 r6:b6e59000 r5:c5ff2f00 r4:0000<4>[ 65.951984] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) 0000 # [ 65.182186] [[ 65.962668] Exception stack(0xc69d1fa8 to 0xc69d1ff0) >] (vfs_write) from [] <4>[ 65.970848] 1fa0: 00000010 00000010 00000001 b6e9d000 00000010 00000000 (ksys_write+0x74/0xec) # [ 65.<4>[ 65.982150] 1fc0: 00000010 00000010 b6fe4e00 00000004 00000001 00000000 00020000 bebb2ac4 192447] r10:00000004 r9:00000000<4>[ 65.993444] 1fe0: 00000004 bebb27f8 b6f4ed8f b6ed57e6 r8:00000000 r7:b6e59000 r6:c6c26<4>[ 66.001670] irq event stamp: 0 000 r5:c5ff2f00 # [ 65.203394]<4>[ 66.007805] hardirqs last enabled at (0): [<00000000>] 0x0 r4:c5ff2f00 # [ 65.209074] [<4>[ 66.016552] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac ] (ksys_write) from [[ 66.027150] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac 059c0b8>] (sys_write+0x18/0x1c) <4>[ 66.037736] softirqs last disabled at (0): [<00000000>] 0x0 # [ 65.219338] r9:c6c26000 r8:<4>[ 66.046429] ---[ end trace 6cad11b2953b10bf ]--- c03002e4 r7:00000004 r6:b6fa0e00 r5:00000008 r4:00000008 # [ 65.228652] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 65.236505] Exception stack(0xc6c27fa8 to 0xc6c27ff0) # [ 65.241849] 7fa0: 00000008 00000008 00000001 b6e59000 00000008 00000000 # [ 65.250318] 7fc0: 00000008 00000008 b6fa0e00 00000004 00000001 00000000 00020000 bee4cac4 # [ 65.258781] 7fe0: 00000004 bee4c7f8 b6f0ad8f b6e917e6 # [ 65.264278] irq event stamp: 0 # [ 65.267643] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 65.273603] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 65.281614] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 65.292290] softirqs last disabled at (0): [<00000000>] 0x0 # [ 65.300996] ---[ end trace 6cad11b2953b10be ]--- # WARNING: saw 'WARNING:': ok ok 3 selftests: lkdtm: WARNING.sh # selftests: lkdtm: WARNING_MESSAGE.sh # [ 65.652581] lkdtm: Performing direct entry WARNING_MESSAGE # [ 65.659020] ------------[ cut here ]------------ # [ 65.666930] WARNING: CPU: 1 PID: 820 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x4c/0x54 # [ 65.679123] Warning message trigger count: 2 # [ 65.686513] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm phy_generic snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched parallel_display imxdrm imx_ipu_v3 # [ 65.718435] CPU: 1 PID: 820 Comm: cat Tainted: G D W 5.10.205-cip41 #1 # [ 65.729159] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 65.738809] Backtrace: # [ 65.744392] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 65.755076] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 65.763862] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 65.774298] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 65.784376] r9:00000009 r8:c0c57f30 r7:00000058 r6:00000009 r5:c0c57f30 r4:c1ad5df8 # [ 65.795243] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 65.805844] r7:00000058 r6:c1ad5df8 r5:c1ad5e14 r4:c69d0000 # [ 65.814631] [] (warn_slowpath_fmt) from [] (lkdtm_WARNING_MESSAGE+0x4c/0x54) # [ 65.826535] r9:c1ad5748 r8:c15ebd0c r7:c69d1f60 r6:00000010 r5:c6cc7000 r4:00000003 # [ 65.837404] [] (lkdtm_WARNING_MESSAGE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 65.849134] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 65.860267] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 65.871303] r9:c69d1f60 r8:c307a6c0 r7:00000010 r6:b6e9d000 r5:c46bedc0 r4:c0c57cf4 # [ 65.882175] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 65.893121] r9:c07e1b2c r8:c69d1f60 r7:c2815800 r6:b6e9d000 r5:c46bedc0 r4:00000000 # [ 65.903987] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 65.914246] r10:00000004 r9:00000000 r8:00000000 r7:b6e9d000 r6:c69d0000 r5:c46bedc0 # [ 65.925192] r4:c46bedc0 # [ 65.930856] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 65.941114] r9:c69d0000 r8:c03002e4 r7:00000004 r6:b6fe4e00 r5:00000010 r4:00000010 # [ 65.951984] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 65.962668] Exception stack(0xc69d1fa8 to 0xc69d1ff0) # [ 65.970848] 1fa0: <6>[ 66.371192] lkdtm: Performing direct entry EXCEPTION 00000010 000<010>0[1 66.377086] 8<--- cut here --- 00000001 b6e9d000 00000010 00000<1>[ 66.382909] Unable to handle kernel NULL pointer dereference at virtual address 00000000 000 # [ 65.982150] 1fc0: 00000<1>[ 66.394114] pgd = c206fc85 010 00000010 b6fe4e00 00000004 00<1>[ 66.399923] [00000000] *pgd=00000000 000001 00000000 00020000 be[ 66.406586] Internal error: Oops: 805 [#2] SMP ARM ac4 # [ 65.993444] 1fe0: 00000<4>[ 66.414146] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm phy_generic snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched parallel_display imxdrm imx_ipu_v3 004 bebb27f8 b6f4ed<84f> [b 6 e d6.446112] CPU: 3 PID: 853 Comm: cat Tainted: G D W 5.10.205-cip41 #1 57e6 # [ < 46>6[. 0 0 16667.04]6192] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) irq event stamp: 0 # [ < 4 >6[6 66.464810] PC is at lkdtm_EXCEPTION+0x18/0x20 .007805] harr[q s 6l6a.s4t1936] LR is at lkdtm_do_action+0x2c/0x4c enabled [( 0 ) :6 6[.<4078459] pc : [] lr : [] psr: a00e0013 000000><]4 >0[x 0 6#6 .[4 8 6 06] sp : c4717e58 ip : c4717e68 fp : c4717e64 66.016552]< 4h>a[r d i r66q.s4 9l940] r10: 0000000a r9 : c1ad5758 r8 : c15ebd0c ast disabl [a t (606).:5 01159] r7 : c4717f60 r6 : 0000000a r5 : c6cdc000 r4 : 00000004 4]> [c o p y6_6p.r5o0c768] r3 : 00000000 r2 : 08def603 r1 : ef7c05e0 r0 : c15ebd2c ess+0x5f8/0x1c[ #6 6[. 518291] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none 66.027150] f[t i r q6s6 .l527594] Control: 10c5387d Table: 15f5804a DAC: 00000051 st enabled at< 0(>0[) : [6<6c.535509] Process cat (pid: 853, stack limit = 0x8cbbc43a) 3538f4>] copy<_0p>r[o c e s6s6+.043423] Stack: (0xc4717e58 to 0xc4718000) x5f8/0x1dac #< 0[> [ 6 666..049948] 7e40: c4717e74 c4717e68 37736] softirqs lt[ d i s6a.560295] 7e60: c0c57914 c0c57f44 c4717e9c c4717e78 c0c57e14 c0c578f4 c0c57cf4 c5adda40 bled at (0): [<0<000>0[0 0 0 06>6.570813] 7e80: b6e0c000 0000000a c307a6c0 c4717f60 c4717ec4 c4717ea0 c07e1b90 c0c57d00 0x0 # [ 66.046<402>9[] - -66.581332] 7ea0: 00000000 c5adda40 b6e0c000 c2815800 c4717f60 c07e1b2c c4717f5c c4717ec8 [ end trace 6cad<10>1[b 2 9 5636b591935] 7ec0: c059ba7c c07e1b38 00000001 00000000 c059c028 c13dd478 c059c028 c4716000 10bf ]--- # WARN[G _ M E6S6.602366] 7ee0: b6e0c000 00020000 00000004 0000000a 0001fff6 c4717ee0 00000001 b6e0b000 AGE: saw 'mesg[e t r6i6g.g12883] 7f00: c5a8a500 00000000 00000000 00000000 00000000 00000000 00000000 00000000 er': ok ok 4 set[e s t s6:6.623230] 7f20: 00000000 00000000 c13dd478 08def603 c206c120 c5adda40 c5adda40 c4716000 lkdtm: WARNING_E[S S A G6E6..633748] 7f40: b6e0c000 00000000 00000000 00000004 c4717f94 c4717f60 c059c028 c059b97c h # selftests: lkm[: E 6X.644180] 7f60: 00000000 00000000 c4717fac 08def603 0000000a 0000000a b6f53e00 00000004 CEPTION.sh <0>[ 66.654698] 7f80: c03002e4 c4716000 c4717fa4 c4717f98 c059c0b8 c059bfc0 00000000 c4717fa8 <0>[ 66.664173] 7fa0: c03000c0 c059c0ac 0000000a 0000000a 00000001 b6e0c000 0000000a 00000000 <0>[ 66.672619] 7fc0: 0000000a 0000000a b6f53e00 00000004 00000001 00000000 00020000 bee5cac4 <0>[ 66.681063] 7fe0: 00000004 bee5c7f8 b6ebdd8f b6e447e6 800e0030 00000001 00000000 00000000 <0>[ 66.689503] Backtrace: <0>[ 66.692227] [] (lkdtm_EXCEPTION) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 66.700589] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 66.708869] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 66.717056] r9:c4717f60 r8:c307a6c0 r7:0000000a r6:b6e0c000 r5:c5adda40 r4:c0c57cf4 <0>[ 66.725074] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 66.733172] r9:c07e1b2c r8:c4717f60 r7:c2815800 r6:b6e0c000 r5:c5adda40 r4:00000000 <0>[ 66.741185] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 66.748589] r10:00000004 r9:00000000 r8:00000000 r7:b6e0c000 r6:c4716000 r5:c5adda40 <0>[ 66.756682] r4:c5adda40 <0>[ 66.759487] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 66.766893] r9:c4716000 r8:c03002e4 r7:00000004 r6:b6f53e00 r5:0000000a r4:0000000a <0>[ 66.774907] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 66.782743] Exception stack(0xc4717fa8 to 0xc4717ff0) <0>[ 66.788061] 7fa0: 0000000a 0000000a 00000001 b6e0c000 0000000a 00000000 <0>[ 66.796506] 7fc0: 0000000a 0000000a b6f53e00 00000004 00000001 00000000 00020000 bee5cac4 <0>[ 66.804950] 7fe0: 00000004 bee5c7f8 b6ebdd8f b6e447e6 <0>[ 66.810271] Code: e24cb004 e52de004 e8bd4000 e3a03000 (e5833000) <4>[ 66.816707] ---[ end trace 6cad11b2953b10c0 ]--- # Segmentation fault # [ 66.371192] lkdtm: Performing direct entry EXCEPTION # [ 66.377086] 8<--- cut here --- # [ 66.382909] Unable to handle kernel NULL pointer dereference at virtual address 00000000 # [ 66.394114] pgd = c206fc85 # [ 66.399923] [00000000] *pgd=00000000 # [ 66.406586] Internal error: Oops: 805 [#2] SMP ARM # [ 66.414146] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm phy_generic snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched parallel_display imxdrm imx_ipu_v3 # [ 66.446112] CPU: 3 PID: 853 Comm: cat Tainted: G D W 5.10.205-cip41 #1 # [ 66.456192] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 66.464810] PC is at lkdtm_EXCEPTION+0x18/0x20 # [ 66.471936] LR is at lkdtm_do_action+0x2c/0x4c # [ 66.478459] pc : [] lr : [] psr: a00e0013 # [ 66.486806] sp : c4717e58 ip : c4717e68 fp : c4717e64 # [ 66.493940] r10: 0000000a r9 : c1ad5758 r8 : c15ebd0c # [ 66.501159] r7 : c4717f60 r6 : 0000000a r5 : c6cdc000 r4 : 00000004 # [ 66.509768] r3 : 00000000 r2 : 08def603 r1 : ef7c05e0 r0 : c15ebd2c # [ 66.518291] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 66.527594] Control: 10c5387d Table: 15f5804a DAC: 00000051 # [ 66.535509] Process cat (pid: 853, stack limit = 0x8cbbc43a) # [ 66.543423] Stack: (0xc4717e58 to 0xc4718000) # [ 66.549948] 7e40: c4717e74 c4717e68 # [ 66.560295] 7e60: c0c57914 c0c57f44 c4717e9c c4717e78 c0c57e14 c0c578f4 c0c57cf4 c5adda40 # [ 66.570813] 7e80: b6e0c000 0000000a c307a6c0 c4717f60 c4717ec4 c4717ea0 c07e1b90 c0c57d00 # [ 66.581332] 7ea0: 00000000 c5adda40 b6e0c000 c2815800 c4717f60 c07e1b2c c4717f5c c4717ec8 # [ 66.591935] 7ec0: c059ba7c c07e1b38 00000001 00000000 c059c028 c13dd478 c059c028 c4716000 # [ 66.602366] 7ee0: b6e0c000 00020000 00000004 0000000a 0001fff6 c4717ee0 00000001 b6e0b000 # [ 66.612883] 7f00: c5a8a500 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 66.623230] 7f20: 00000000 00000000 c13dd478 08def603 c206c120 c5adda40 c5adda40 c4716000 # [ 66.633748] 7f40: b6e0c000 00000000 00000000 00000004 c4717f94 c4717f60 c059c028 c059b97c # [ 66.644180] 7f60: 00000000 00000000 c4717fac 08def603 0000000a 0000000a b6f53e00 00000004 # [ 66.654698] 7f80: c03002e4 c4716000 c4717fa4 c4717f98 c059c0b8 c059bfc0 00000000 c4717fa8 # [ 66.664173] 7fa0: c03000c0 c059c0ac 0000000a 0000000a 00000001 b6e0c000 0000000a 00000000 # [ 66.672619] 7fc0: 0000000a 0000000a b6f53e00 00000004 00000001 00000000 00020000 bee5cac4 # [ 66.681063] 7fe0: 00000004 bee5c7f8 b6ebdd8f b6e447e6 800e0030 00000001 00000000 00000000 # [ 66.689503] Backtrace: # [ 66.692227] [] (lkdtm_EXCEPTION) from [] (lkdtm_do_action+0x2c/0x4c) # [ 66.700589] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 66.708869] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 66.717056] r9:c4717f60 r8:c307a6c0 r7:0000000a r6:b6e0c000 r5:c5adda40 r4:c0c57cf4 # [ 66.725074] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 66.733172] r9:c07e1b2c r8:c4717f60 r7:c2815800 r6:b6e0c000 r5:c5adda40 r4:00000000 # [ 66.741185] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 66.748589] r10:00000004 r9:00000000 r8:00000000 r7:b6e0c000 r6:c4716000 r5:c5adda40 # [ 66.756682] r4:c5adda40 # [ 66.759487] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 66.766893] r9:c4716000 r8:c03002e4 r7:00000004 r6:b6f53e00 r5:0000000a r4:0000000a # [ 66.774907] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 66.782743] Exception stack(0xc4717fa8 to 0xc4717ff0) # [ 66.788061] 7fa0: 0000000a 0000000a 00000001 b6e0c000 0000000a 00000000 # [ 66.796506] 7fc0: 0000000a 0000000a b6f53e00 00000004 00000001 00000000 00020000 bee5cac4 # [ 66.804950] 7fe0: 00000004 bee5c7f8 b6ebdd8f b6e447e6 # [ 66.810271] Code: e24cb004 e52de004 e8bd4000 e3a03000 (e5833000) # [ 66.816707] ---[ end trace 6cad11b2953b10c0 ]--- # EXCEPTION: missing 'call trace:': [FAIL] not ok 5 selftests: lkdtm: EXCEPTION.sh # exit=1 # selftests: lkdtm: LOOP.sh # Skipping LOOP: Hangs the system ok 6 selftests: lkdtm: LOOP.sh # SKIP # selftests: lkdtm: EXHAUST_STACK.sh # Skipping EXHAUST_STACK: Corrupts memory on failure ok 7 selftests: lkdtm: EXHAUST_STACK.sh # SKIP # selftests: lkdtm: CORRUPT_STACK.sh # Skipping CORRUPT_STACK: Crashes entire system on success ok 8 selftests: lkdtm: CORRUPT_STACK.sh # SKIP # selftests: lkdtm: CORRUPT_STACK_STRONG.sh # Skipping CORRUPT_STACK_STRONG: Crashes entire system on success ok 9 selftests: lkdtm: CORRUPT_STACK_STRONG.sh # SKIP # selftests: lkdtm: CORRUPT_LIST_ADD.sh <6>[ 67.950678] lkdtm: Performing direct entry CORRUPT_LIST_ADD <6>[ 67.956532] lkdtm: attempting good list addition <6>[ 67.961579] lkdtm: attempting corrupted list addition <3>[ 67.966929] lkdtm: list_add() corruption not detected! # [ 67.950678] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 67.956532] lkdtm: attempting good list addition # [ 67.961579] lkdtm: attempting corrupted list addition # [ 67.966929] lkdtm: list_add() corruption not detected! # CORRUPT_LIST_ADD: missing 'list_add corruption': [FAIL] not ok 10 selftests: lkdtm: CORRUPT_LIST_ADD.sh # exit=1 # selftests: lkdtm: CORRUPT_LIST_DEL.sh <6>[ 68.298295] lkdtm: Performing direct entry CORRUPT_LIST_DEL <6>[ 68.304212] lkdtm: attempting good list removal <6>[ 68.309016] lkdtm: attempting corrupted list removal <3>[ 68.314349] lkdtm: list_del() corruption not detected! # [ 68.298295] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 68.304212] lkdtm: attempting good list removal # [ 68.309016] lkdtm: attempting corrupted list removal # [ 68.314349] lkdtm: list_del() corruption not detected! # CORRUPT_LIST_DEL: missing 'list_del corruption': [FAIL] not ok 11 selftests: lkdtm: CORRUPT_LIST_DEL.sh # exit=1 # selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh <6>[ 68.638170] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING <6>[ 68.644771] lkdtm: attempting bad read from page below current stack <3>[ 68.651591] lkdtm: FAIL: accessed page before stack! (byte: 0) # [ 68.638170] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 68.644771] lkdtm: attempting bad read from page below current stack # [ 68.651591] lkdtm: FAIL: accessed page before stack! (byte: 0) # STACK_GUARD_PAGE_LEADING: missing 'call trace:': [FAIL] not ok 12 selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh # exit=1 # selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh <6>[ 68.954387] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING <6>[ 68.961074] lkdtm: attempting bad read from page above current stack <3>[ 68.967698] lkdtm: FAIL: accessed page after stack! (byte: 20) # [ 68.954387] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING # [ 68.961074] lkdtm: attempting bad read from page above current stack # [ 68.967698] lkdtm: FAIL: accessed page after stack! (byte: 20) # STACK_GUARD_PAGE_TRAILING: missing 'call trace:': [FAIL] not ok 13 selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # exit=1 # selftests: lkdtm: UNSET_SMEP.sh <6>[ 69.292805] lkdtm: Performing direct entry UNSET_SMEP <3>[ 69.298139] lkdtm: XFAIL: this test is x86_64-only # [ 69.292805] lkdtm: Performing direct entry UNSET_SMEP # [ 69.298139] lkdtm: XFAIL: this test is x86_64-only # UNSET_SMEP: saw 'XFAIL': [SKIP] ok 14 selftests: lkdtm: UNSET_SMEP.sh # SKIP # selftests: lkdtm: DOUBLE_FAULT.sh <6>[ 69.616719] lkdtm: Performing direct entry DOUBLE_FAULT <4>[ 69.616896] panel-simple panel-lcd: supply power not found, using dummy regulator <3>[ 69.622429] lkdtm: XFAIL: this test is ia32-only <4>[ 69.634891] panel-simple panel-lcd: Specify missing connector_type <4>[ 69.650906] panel-simple panel-lvds0: supply power not found, using dummy regulator <6>[ 69.670295] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) <6>[ 69.678846] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) <6>[ 69.687597] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm]) <6>[ 69.696258] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm]) # [ 69.616719] lkdtm: Performin<6>[ 69.706529] platform backlight-lvds: deferred probe pending g direct entry DOUBLE_FAULT # [ <6>[ 69.713919] platform panel-lcd: deferred probe pending 69.616896] panel-simple panel-lcd: supply power not found, using dummy regulator # [ 69.622429] lkdtm: XFAIL: this test is ia32-only # [ 69.634891] panel-simple panel-lcd: Specify missing connector_type # [ 69.650906] panel-simple panel-lvds0: supply power not found, using dummy regulator # [ 69.670295] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm]) # [ 69.678846] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm]) # DOUBLE_FAULT: saw 'XFAIL': [SKIP] <6>[ 69.768333] platform panel-lvds0: deferred probe pending <6>[ 69.773990] platform backlight-lcd: deferred probe pending ok 15 selftests: lkdtm: DOUBLE_FA<6>[ 69.779881] platform ldb: deferred probe pending ULT.sh # SKIP # selftests: lkdtm: CORRUPT_PAC.sh <6>[ 69.981558] lkdtm: Performing direct entry CORRUPT_PAC <3>[ 69.986983] lkdtm: XFAIL: this test is arm64-only # [ 69.981558] lkdtm: Performing direct entry CORRUPT_PAC # [ 69.986983] lkdtm: XFAIL: this test is arm64-only # CORRUPT_PAC: saw 'XFAIL': [SKIP] ok 16 selftests: lkdtm: CORRUPT_PAC.sh # SKIP # selftests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh <6>[ 70.302099] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE <3>[ 70.308821] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS # [ 70.302099] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # [ 70.308821] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS # UNALIGNED_LOAD_STORE_WRITE: saw 'XFAIL': [SKIP] ok 17 selftests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh # SKIP # selftests: lkdtm: OVERWRITE_ALLOCATION.sh # Skipping OVERWRITE_ALLOCATION: Corrupts memory on failure ok 18 selftests: lkdtm: OVERWRITE_ALLOCATION.sh # SKIP # selftests: lkdtm: WRITE_AFTER_FREE.sh # Skipping WRITE_AFTER_FREE: Corrupts memory on failure ok 19 selftests: lkdtm: WRITE_AFTER_FREE.sh # SKIP # selftests: lkdtm: READ_AFTER_FREE.sh <6>[ 70.998579] lkdtm: Performing direct entry READ_AFTER_FREE <6>[ 71.004415] lkdtm: Value in memory before free: 12345678 <6>[ 71.010140] lkdtm: Attempting bad read from freed memory <6>[ 71.015751] lkdtm: Memory was not poisoned # [ 70.998579] lkdtm: Performing direct entry READ_AFTER_FREE # [ 71.004415] lkdtm: Value in memory before free: 12345678 # [ 71.010140] lkdtm: Attempting bad read from freed memory # [ 71.015751] lkdtm: Memory was not poisoned # READ_AFTER_FREE: missing 'call trace:': [FAIL] not ok 20 selftests: lkdtm: READ_AFTER_FREE.sh # exit=1 # selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh # Skipping WRITE_BUDDY_AFTER_FREE: Corrupts memory on failure ok 21 selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh # SKIP # selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh <6>[ 71.515743] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE <6>[ 71.522096] lkdtm: Value in memory before free: 12345678 <6>[ 71.527681] lkdtm: Attempting to read from freed memory <6>[ 71.533321] lkdtm: Buddy page was not poisoned # [ 71.515743] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE # [ 71.522096] lkdtm: Value in memory before free: 12345678 # [ 71.527681] lkdtm: Attempting to read from freed memory # [ 71.533321] lkdtm: Buddy page was not poisoned # READ_BUDDY_AFTER_FREE: missing 'call trace:': [FAIL] not ok 22 selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh # exit=1 # selftests: lkdtm: SLAB_FREE_DOUBLE.sh <6>[ 71.855287] lkdtm: Performing direct entry SLAB_FREE_DOUBLE <6>[ 71.861391] lkdtm: Attempting double slab free ... # [ 71.855287] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 71.861391] lkdtm: Attempting double slab free ... # SLAB_FREE_DOUBLE: missing 'call trace:': [FAIL] not ok 23 selftests: lkdtm: SLAB_FREE_DOUBLE.sh # exit=1 # selftests: lkdtm: SLAB_FREE_CROSS.sh <6>[ 72.380302] lkdtm: Performing direct entry SLAB_FREE_CROSS <6>[ 72.386119] lkdtm: Attempting cross-cache slab free ... # [ 72.380302] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 72.386119] lkdtm: Attempting cross-cache slab free ... # SLAB_FREE_CROSS: missing 'call trace:': [FAIL] not ok 24 selftests: lkdtm: SLAB_FREE_CROSS.sh # exit=1 # selftests: lkdtm: SLAB_FREE_PAGE.sh <6>[ 72.701275] lkdtm: Performing direct entry SLAB_FREE_PAGE <6>[ 72.706959] lkdtm: Attempting non-Slab slab free ... # [ 72.701275] lkdtm: Performing direct entry SLAB_FREE_PAGE # [ 72.706959] lkdtm: Attempting non-Slab slab free ... # SLAB_FREE_PAGE: missing 'call trace:': [FAIL] not ok 25 selftests: lkdtm: SLAB_FREE_PAGE.sh # exit=1 # selftests: lkdtm: SOFTLOCKUP.sh # Skipping SOFTLOCKUP: Hangs the system ok 26 selftests: lkdtm: SOFTLOCKUP.sh # SKIP # selftests: lkdtm: HARDLOCKUP.sh # Skipping HARDLOCKUP: Hangs the system ok 27 selftests: lkdtm: HARDLOCKUP.sh # SKIP # selftests: lkdtm: SPINLOCKUP.sh # Skipping SPINLOCKUP: Hangs the system ok 28 selftests: lkdtm: SPINLOCKUP.sh # SKIP # selftests: lkdtm: HUNG_TASK.sh # Skipping HUNG_TASK: Hangs the system ok 29 selftests: lkdtm: HUNG_TASK.sh # SKIP # selftests: lkdtm: EXEC_DATA.sh <6>[ 73.746731] lkdtm: Performing direct entry EXEC_DATA <6>[ 73.752196] lkdtm: attempting ok execution at c0c58684 <6>[ 73.757641] lkdtm: attempting bad execution at c27069d4 <1>[ 73.763214] 8<--- cut here --- <1>[ 73.766541] Unable to handle kernel paging request at virtual address c27069d4 <1>[ 73.774043] pgd = 361d7680 <1>[ 73.777036] [c27069d4] *pgd=1261141e(bad) <0>[ 73.781377] Internal error: Oops: 8000000d [#3] SMP ARM <4>[ 73.786887] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm phy_generic snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched parallel_display imxdrm imx_ipu_v3 <4>[ 73.816430] CPU: 2 PID: 1727 Comm: cat Tainted: G D W 5.10.205-cip41 #1 <4>[ 73.824458] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 73.831282] PC is at data_area+0x0/0x40 <4>[ 73.835416] LR is at execute_location+0xa4/0xb4 <4>[ 73.840232] pc : [] lr : [] psr: 600e0013 <4>[ 73.846782] sp : c5ac3e38 ip : c5ac3d40 fp : c5ac3e54 <4>[ 73.852289] r10: 0000000a r9 : c1ad593c r8 : c15ebd0c <4>[ 73.857796] r7 : c5ac3f60 r6 : 00000001 r5 : c27069d4 r4 : c0c58684 <4>[ 73.864607] r3 : 0e56ae1f r2 : 0e56ae1f r1 : ef7ab5e0 r0 : 0000002b <4>[ 73.871419] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 73.878838] Control: 10c5387d Table: 16e9c04a DAC: 00000051 <0>[ 73.884869] Process cat (pid: 1727, stack limit = 0xb5044904) <0>[ 73.890898] Stack: (0xc5ac3e38 to 0xc5ac4000) <0>[ 73.895543] 3e20: 0000001f c6c4c000 <0>[ 73.904012] 3e40: 0000000a c5ac3f60 c5ac3e64 c5ac3e58 c13c809c c13c7e98 c5ac3e74 c5ac3e68 <0>[ 73.912482] 3e60: c0c57914 c13c8084 c5ac3e9c c5ac3e78 c0c57e14 c0c578f4 c0c57cf4 c5add180 <0>[ 73.920950] 3e80: b6dbe000 0000000a c307a6c0 c5ac3f60 c5ac3ec4 c5ac3ea0 c07e1b90 c0c57d00 <0>[ 73.929418] 3ea0: 00000000 c5add180 b6dbe000 c2815800 c5ac3f60 c07e1b2c c5ac3f5c c5ac3ec8 <0>[ 73.937888] 3ec0: c059ba7c c07e1b38 00000001 00000000 c059c028 c13dd478 c059c028 c5ac2000 <0>[ 73.946356] 3ee0: b6dbe000 00020000 00000004 0000000a 0001fff6 c5ac3ee0 00000001 b6dbd000 <0>[ 73.954823] 3f00: c47257c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 73.963292] 3f20: 00000000 00000000 c13dd478 0e56ae1f c206c120 c5add180 c5add180 c5ac2000 <0>[ 73.971760] 3f40: b6dbe000 00000000 00000000 00000004 c5ac3f94 c5ac3f60 c059c028 c059b97c <0>[ 73.980227] 3f60: 00000000 00000000 c5ac3fac 0e56ae1f 0000000a 0000000a b6f05e00 00000004 <0>[ 73.988694] 3f80: c03002e4 c5ac2000 c5ac3fa4 c5ac3f98 c059c0b8 c059bfc0 00000000 c5ac3fa8 <0>[ 73.997161] 3fa0: c03000c0 c059c0ac 0000000a 0000000a 00000001 b6dbe000 0000000a 00000000 <0>[ 74.005627] 3fc0: 0000000a 0000000a b6f05e00 00000004 00000001 00000000 00020000 bea81ac4 <0>[ 74.014095] 3fe0: 00000004 bea817f8 b6e6fd8f b6df67e6 800e0030 00000001 00000000 00000000 <0>[ 74.022549] Backtrace: <0>[ 74.025312] [] (execute_location) from [] (lkdtm_EXEC_DATA+0x24/0x28) <0>[ 74.033780] r7:c5ac3f60 r6:0000000a r5:c6c4c000 r4:0000001f <0>[ 74.039742] [] (lkdtm_EXEC_DATA) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 74.048124] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 74.056434] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 74.064642] r9:c5ac3f60 r8:c307a6c0 r7:0000000a r6:b6dbe000 r5:c5add180 r4:c0c57cf4 <0>[ 74.072692] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 74.080812] r9:c07e1b2c r8:c5ac3f60 r7:c2815800 r6:b6dbe000 r5:c5add180 r4:00000000 <0>[ 74.088850] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 74.096276] r10:00000004 r9:00000000 r8:00000000 r7:b6dbe000 r6:c5ac2000 r5:c5add180 <0>[ 74.104386] r4:c5add180 <0>[ 74.107214] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 74.114640] r9:c5ac2000 r8:c03002e4 r7:00000004 r6:b6f05e00 r5:0000000a r4:0000000a <0>[ 74.122680] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 74.130531] Exception stack(0xc5ac3fa8 to 0xc5ac3ff0) <0>[ 74.135871] 3fa0: 0000000a 0000000a 00000001 b6dbe000 0000000a 00000000 <0>[ 74.144339] 3fc0: 0000000a 0000000a b6f05e00 00000004 00000001 00000000 00020000 bea81ac4 <0>[ 74.152800] 3fe0: 00000004 bea817f8 b6e6fd8f b6df67e6 <0>[ 74.158142] Code: 00000000 c43430c0 c4343180 c4343240 (e1a0c00d) <4>[ 74.164529] ---[ end trace 6cad11b2953b10c1 ]--- # Segmentation fault # [ 73.746731] lkdtm: Performing direct entry EXEC_DATA # [ 73.752196] lkdtm: attempting ok execution at c0c58684 # [ 73.757641] lkdtm: attempting bad execution at c27069d4 # [ 73.763214] 8<--- cut here --- # [ 73.766541] Unable to handle kernel paging request at virtual address c27069d4 # [ 73.774043] pgd = 361d7680 # [ 73.777036] [c27069d4] *pgd=1261141e(bad) # [ 73.781377] Internal error: Oops: 8000000d [#3] SMP ARM # [ 73.786887] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm phy_generic snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched parallel_display imxdrm imx_ipu_v3 # [ 73.816430] CPU: 2 PID: 1727 Comm: cat Tainted: G D W 5.10.205-cip41 #1 # [ 73.824458] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 73.831282] PC is at data_area+0x0/0x40 # [ 73.835416] LR is at execute_location+0xa4/0xb4 # [ 73.840232] pc : [] lr : [] psr: 600e0013 # [ 73.846782] sp : c5ac3e38 ip : c5ac3d40 fp : c5ac3e54 # [ 73.852289] r10: 0000000a r9 : c1ad593c r8 : c15ebd0c # [ 73.857796] r7 : c5ac3f60 r6 : 00000001 r5 : c27069d4 r4 : c0c58684 # [ 73.864607] r3 : 0e56ae1f r2 : 0e56ae1f r1 : ef7ab5e0 r0 : 0000002b # [ 73.871419] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 73.878838] Control: 10c5387d Table: 16e9c04a DAC: 00000051 # [ 73.884869] Process cat (pid: 1727, stack limit = 0xb5044904) # [ 73.890898] Stack: (0xc5ac3e38 to 0xc5ac4000) # [ 73.895543] 3e20: 0000001f c6c4c000 # [ 73.904012] 3e40: 0000000a c5ac3f60 c5ac3e64 c5ac3e58 c13c809c c13c7e98 c5ac3e74 c5ac3e68 # [ 73.912482] 3e60: c0c57914 c13c8084 c5ac3e9c c5ac3e78 c0c57e14 c0c578f4 c0c57cf4 c5add180 # [ 73.920950] 3e80: b6dbe000 0000000a c307a6c0 c5ac3f60 c5ac3ec4 c5ac3ea0 c07e1b90 c0c57d00 # [ 73.929418] 3ea0: 00000000 c5add180 b6dbe000 c2815800 c5ac3f60 c07e1b2c c5ac3f5c c5ac3ec8 # [ 73.937888] 3ec0: c059ba7c c07e1b38 00000001 00000000 c059c028 c13dd478 c059c028 c5ac2000 # [ 73.946356] 3ee0: b6dbe000 00020000 00000004 0000000a 0001fff6 c5ac3ee0 00000001 b6dbd000 # [ 73.954823] 3f00: c47257c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 73.963292] 3f20: 00000000 00000000 c13dd478 0e56ae1f c206c120 c5add180 c5add180 c5ac2000 # [ 73.971760] 3f40: b6dbe000 00000000 00000000 00000004 c5ac3f94 c5ac3f60 c059c028 c059b97c # [ 73.980227] 3f60: 00000000 00000000 c5ac3fac 0e56ae1f 0000000a 0000000a b6f05e00 00000004 # [ 73.988694] 3f80: c03002e4 c5ac2000 c5ac3fa4 c5ac3f98 c059c0b8 c059bfc0 00000000 c5ac3fa8 # [ 73.997161] 3fa0: c03000c0 c059c0ac 0000000a 0000000a 00000001 b6dbe000 0000000a 00000000 # [ 74.005627] 3fc0: 0000000a 0000000a b6f05e00 00000004 00000001 00000000 00020000 bea81ac4 # [ 74.014095] 3fe0: 00000004 bea817f8 b6e6fd8f b6df67e6 800e0030 00000001 00000000 00000000 # [ 74.022549] Backtrace: # [ 74.025312] [] (execute_location) from [] (lkdtm_EXEC_DATA+0x24/0x28) # [ 74.033780] r7:c5ac3f60 r6:0000000a r5:c6c4c000 r4:0000001f # [ 74.039742] [] (lkdtm_EXEC_DATA) from [] (lkdtm_do_action+0x2c/0x4c) # [ 74.048124] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 74.056434] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 74.064642] r9:c5ac3f60 r8:c307a6c0 r7:0000000a r6:b6dbe000 r5:c5add180 r4:c0c57cf4 # [ 74.072<6>[ 74.591699] lkdtm: Performing direct entry EXEC_STACK 692] [] <(6f>u[l l _ p74.597862] lkdtm: attempting ok execution at c0c58684 oxy_write) from [] (vfs<6>[ 74.605507] lkdtm: attempting bad execution at c58b5e0c _write+0x10c/0x53c) # [ 74.080<1>[ 74.613954] 8<--- cut here --- 812] r9:c<017>e[1 b 2 c7 4r.86:19969] Unable to handle kernel paging request at virtual address c58b5e0c 5ac3f60 r7:c28<11>5[8 0 0 7r46.:29274] pgd = 783265fb b6dbe000 r5:c5add180 r<41:>[0 0 074.634147] [c58b5e0c] *pgd=1581141e(bad) 00000 # [ 74.<008>8[8 5 0 ]7 4.640679] Internal error: Oops: 8000000d [#4] SMP ARM ] (vfs_write) from [[ 74.648243] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm phy_generic snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched parallel_display imxdrm imx_ipu_v3 59c028>] (ksys_wre[+ 0 x 774.680207] CPU: 3 PID: 1804 Comm: cat Tainted: G D W 5.10.205-cip41 #1 /0xec) <#4 >[[ 7744..60990687] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 276] r10:000000<044> [r 9 : 7040698729] PC is at 0xc58b5e0c 000000 r8:00000000 r7:b<64d>b[e 0 74.704130] LR is at execute_location+0xa4/0xb4 00 r6:c5a0[0 0 r754:.c751a256] pc : [] lr : [] psr: 600e0013 dd180 # [ < 4 >[7 4 . 17044.37819518] sp : c58b5de8 ip : c58b5cf0 fp : c58b5e04 ] r4:c5d[1 8 0 7 4#. 7[2 6822] r10: 0000000b r9 : c1ad5948 r8 : c15ebd0c 74.10721<44]> [[ < c 07549.b7f3b043] r7 : c58b5f60 r6 : 00000001 r5 : c58b5e0c r4 : c0c58684 4>] (ksys_i[ t e )7 4f.r7o4m566] r3 : 2147fe09 r2 : 2147fe09 r1 : ef7c05e0 r0 : 0000002b [<]4 >([s y s _7w4r.i751089] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none e+0x18/0c[) #7 4[. 7 6 0391] Control: 10c5387d Table: 16d0804a DAC: 00000051 4.114640] r<90:>c[5 a c 27040.0768133] Process cat (pid: 1804, stack limit = 0x0c1999cb) r8:c03002e<40 >r[7 : 0 07040.07076047] Stack: (0xc58b5de8 to 0xc58b6000) 4 r6:b6f05e00 r5:00<000>0[0 0 a 4.782491] 5de0: c58b4000 c6bd6000 0000000b c58b5f60 c58b5e64 c58b5e08 r4:0000000a # <[0 > [ 7 4 .7142793095] 5e00: c13c80d8 c13c7e98 c58b5e6c e1a0c00d e92dd800 e24cb004 e52de004 e8bd4000 2680] [0]> [( s y s7_4.803527] 5e20: e89da800 e1a0c00d e92dd830 e24cb004 e52de004 e8bd4000 e3073374 e34c31b8 rite) from [0[0 c 07>4].814045] 5e40: e3a02040 e3a01d33 e5930018 2147fe09 0000000b 00000020 c58b5e74 c58b5e68 (ret_fast_sysca+[0 x 0 /704x824476] 5e60: c0c57914 c13c80ac c58b5e9c c58b5e78 c0c57e14 c0c578f4 c0c57cf4 c5acd040 28) # [ 74.<103>0[5 3 1 ]7 4E.834908] 5e80: b6e00000 0000000b c307a6c0 c58b5f60 c58b5ec4 c58b5ea0 c07e1b90 c0c57d00 ception stack(<00x>c[5 a c 37f4a.845340] 5ea0: 00000000 c5acd040 b6e00000 c2815800 c58b5f60 c07e1b2c c58b5f5c c58b5ec8 to 0xc5ac3ff0)< 0 >#[ [ 7 47855772] 5ec0: c059ba7c c07e1b38 00000001 00000000 c059c028 c58fd664 c059c028 c58b4000 4.135871] 3fa0: < 0 > [ 7 .866205] 5ee0: b6e00000 00020000 00000004 0000000b 0001fff5 c58b5ee0 00000001 00000805 0000<000>0[a 0 07040.076721] 5f00: c6ad03c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00a 00000001 b6e[0 0 0 7040887068] 5f20: 00000000 00000000 c58b4000 2147fe09 b6dff000 c5acd040 c5acd040 c58b4000 00000a 0000000<00 > [# [ 7 4 .897499] 5f40: b6e00000 00000000 00000000 00000004 c58b5f94 c58b5f60 c059c028 c059b97c 4.144339] 3fc0<:0 >0[0 0 0 07040.907929] 5f60: 00000000 00000000 c58b5fac 2147fe09 0000000b 0000000b b6f47e00 00000004 0000000a b6f0<50e>0[0 0 07040.918361] 5f80: c03002e4 c58b4000 c58b5fa4 c58b5f98 c059c0b8 c059bfc0 00000000 c58b5fa8 004 00000001 0<000>0[0 0 0 07 40.928793] 5fa0: c03000c0 c059c0ac 0000000b 0000000b 00000001 b6e00000 0000000b 00000000 020000 bea81ac<40 > [# [ 7 4 .939225] 5fc0: 0000000b 0000000b b6f47e00 00000004 00000001 00000000 00020000 be9cfac4 4.152800] 3fe0: 0<000>0[0 0 0 47 .949659] 5fe0: 00000004 be9cf7f8 b6eb1d8f b6e387e6 800e0030 00000001 00000000 00000000 bea817f8 b6e<60f>d[8 f b764d.f960170] Backtrace: 7e6 # [ 74.158142] d[e : 74.964795] [] (execute_location) from [] (lkdtm_EXEC_STACK+0x38/0x54) 00000000 c43<403>0[c 0 c7443.4975655] r7:c58b5f60 r6:0000000b r5:c6bd6000 r4:c58b4000 180 c4343240 (e1a0c00d)< 0 > [# 74.983490] [] (lkdtm_EXEC_STACK) from [] (lkdtm_do_action+0x2c/0x4c) [ 74.16<405>2[9 ] -7-4-.[9 9e259] r4:00000020 nd trace 6cad11b2<905>3[b 1 0 c71.998794] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) ]--- # EXEC_DATA: missin'[ 75.009144] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) all trace:': <[0F>A[I L ]7 5 .n019828] r9:c58b5f60 r8:c307a6c0 r7:0000000b r6:b6e00000 r5:c5acd040 r4:c0c57cf4 t ok 30 selftests: lkdtm: E[ 75.029749] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) _DATA.sh # exit<=01> [ # s7e5l040347] r9:c07e1b2c r8:c58b5f60 r7:c2815800 r6:b6e00000 r5:c5acd040 r4:00000000 ftests: lkdtm: E[C _ S T7A5C050345] [] (vfs_write) from [] (ksys_write+0x74/0xec) K.sh <0>[ 75.059733] r10:00000004 r9:00000000 r8:00000000 r7:b6e00000 r6:c58b4000 r5:c5acd040 <0>[ 75.068338] r4:c5acd040 <0>[ 75.071141] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 75.078544] r9:c58b4000 r8:c03002e4 r7:00000004 r6:b6f47e00 r5:0000000b r4:0000000b <0>[ 75.086559] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 75.094392] Exception stack(0xc58b5fa8 to 0xc58b5ff0) <0>[ 75.099712] 5fa0: 0000000b 0000000b 00000001 b6e00000 0000000b 00000000 <0>[ 75.108159] 5fc0: 0000000b 0000000b b6f47e00 00000004 00000001 00000000 00020000 be9cfac4 <0>[ 75.116606] 5fe0: 00000004 be9cf7f8 b6eb1d8f b6e387e6 <0>[ 75.121930] Code: c58b5e08 c13c80d8 c13c7e98 c58b5e6c (e1a0c00d) <4>[ 75.128294] ---[ end trace 6cad11b2953b10c2 ]--- # Segmentation fault # [ 74.591699] lkdtm: Performing direct entry EXEC_STACK # [ 74.597862] lkdtm: attempting ok execution at c0c58684 # [ 74.605507] lkdtm: attempting bad execution at c58b5e0c # [ 74.613954] 8<--- cut here --- # [ 74.619969] Unable to handle kernel paging request at virtual address c58b5e0c # [ 74.629274] pgd = 783265fb # [ 74.634147] [c58b5e0c] *pgd=1581141e(bad) # [ 74.640679] Internal error: Oops: 8000000d [#4] SMP ARM # [ 74.648243] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm phy_generic snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched parallel_display imxdrm imx_ipu_v3 # [ 74.680207] CPU: 3 PID: 1804 Comm: cat Tainted: G D W 5.10.205-cip41 #1 # [ 74.690287] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 74.698729] PC is at 0xc58b5e0c # [ 74.704130] LR is at execute_location+0xa4/0xb4 # [ 74.711256] pc : [] lr : [] psr: 600e0013 # [ 74.719518] sp : c58b5de8 ip : c58b5cf0 fp : c58b5e04 # [ 74.726822] r10: 0000000b r9 : c1ad5948 r8 : c15ebd0c # [ 74.734043] r7 : c58b5f60 r6 : 00000001 r5 : c58b5e0c r4 : c0c58684 # [ 74.742566] r3 : 2147fe09 r2 : 2147fe09 r1 : ef7c05e0 r0 : 0000002b # [ 74.751089] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 74.760391] Control: 10c5387d Table: 16d0804a DAC: 00000051 # [ 74.768133] Process cat (pid: 1804, stack limit = 0x0c1999cb) # [ 74.776047] Stack: (0xc58b5de8 to 0xc58b6000) # [ 74.782491] 5de0: c58b4000 c6bd6000 0000000b c58b5f60 c58b5e64 c58b5e08 # [ 74.793095] 5e00: c13c80d8 c13c7e98 c58b5e6c e1a0c00d e92dd800 e24cb004 e52de004 e8bd4000 # [ 74.803527] 5e20: e89da800 e1a0c00d e92dd830 e24cb004 e52de004 e8bd4000 e3073374 e34c31b8 # [ 74.814045] 5e40: e3a02040 e3a01d33 e5930018 2147fe09 0000000b 00000020 c58b5e74 c58b5e68 # [ 74.824476] 5e60: c0c57914 c13c80ac c58b5e9c c58b5e78 c0c57e14 c0c578f4 c0c57cf4 c5acd040 # [ 74.834908] 5e80: b6e00000 0000000b c307a6c0 c58b5f60 c58b5ec4 c58b5ea0 c07e1b90 c0c57d00 # [ 74.845340] 5ea0: 00000000 c5acd040 b6e00000 c2815800 c58b5f60 c07e1b2c c58b5f5c c58b5ec8 # [ 74.855772] 5ec0: c059ba7c c07e1b38 00000001 00000000 c059c028 c58fd664 c059c028 c58b4000 # [ 74.866205] 5ee0: b6e00000 00020000 00000004 0000000b 0001fff5 c58b5ee0 00000001 00000805 # [ 74.876721] 5f00: c6ad03c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 74.887068] 5f20: 00000000 00000000 c58b4000 2147fe09 b6dff000 c5acd040 c5acd040 c58b4000 # [ 74.897499] 5f40: b6e00000 00000000 00000000 00000004 c58b5f94 c58b5f60 c059c028 c059b97c # [ 74.907929] 5f60: 00000000 00000000 c58b5fac 2147fe09 0000000b 0000000b b6f47e00 00000004 # [ 74.918361] 5f80: c03002e4 c58b4000 c58b5fa4 c58b5f98 c059c0b8 c059bfc0 00000000 c58b5fa8 # [ 74.928793] 5fa0: c03000c0 c059c0ac 0000000b 0000000b 00000001 b6e00000 0000000b 00000000 # [ 74.939225] 5fc0: 0000000b 0000000b b6f47e00 00000004 00000001 00000000 00020000 be9cfac4 # [ 74.949659] 5fe0: 00000004 be9cf7f8 b6eb1d8f b6e387e6 800e0030 00000001 00000000 00000000 # [ 74.960170] Backtrace: # [ 74.964795] [] (execute_location) from [] (lkdtm_EXEC_STACK+0x38/0x54) # [ 74.975655] r7:c58b5f60 r6:0000000b r5:c6bd6000 r4:c58b4000 # [ 74.983490] [] (lkdtm_EXEC_STACK) from [] (lkdtm_do_action+0x2c/0x4c) # [ 74.994259] r4:00000020 # [ 74.998794] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 75.009144] [] (direct<6>[ 75.567519] lkdtm: Performing direct entry EXEC_KMALLOC _entry) from [] (full_p<6>[ 75.575220] lkdtm: attempting ok execution at c0c58684 roxy_write+0x64/0x94) # [ 75.0<6>[ 75.583486] lkdtm: attempting bad execution at c6c557c0 19828] r9:c58b5f60 r8:c307a6c0 r<1>[ 75.591837] 8<--- cut here --- 7:0000000b r6:e[0 0 0 0705 .597953] Unable to handle kernel paging request at virtual address c6c557c0 5:c5acd040 r4:0[c 5 7 c7f54. 07431] pgd = 9509af12 # [ 75.029749] [b[2 c 75.612304] [c6c557c0] *pgd=16c1141e(bad) >] (full_proxy_wre[) f r7o.618923] Internal error: Oops: 8000000d [#5] SMP ARM m [] (vfs_write+0x10c/0<4>[ 75.626486] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm phy_generic snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched parallel_display imxdrm imx_ipu_v3 x53c) # [ 75.040<344>7[] r5.658451] CPU: 3 PID: 1884 Comm: cat Tainted: G D W 5.10.205-cip41 #1 9:c07e1b2c< 4r>8[: c 5 87b55.f6668617] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) r7:c2815800 r6:[e 0 0 07050677232] PC is at 0xc6c557c0 r5:c5acd040 r4:00000000< 4 >[# 75.682634] LR is at execute_location+0xa4/0xb4 [ 75.05<043>4[5 ] [7<5c.06589758] pc : [] lr : [] psr: 600e0013 b970>] (vfw[r i t e7)5 .f6r98019] sp : c5a07e30 ip : c5a07d38 fp : c5a07e4c m [>[] ( k7s5y.7s0_325] r10: 0000000d r9 : c1ad5954 r8 : c15ebd0c write+04[/ 0 x e7c5). 7 1#2 44] r7 : c5a07f60 r6 : 00000001 r5 : c6c557c0 r4 : c0c58684 [ 75.0597<343>][ r 1705:.0700981] r3 : 9cea7d55 r2 : 9cea7d55 r1 : ef7c05e0 r0 : 0000002b 000004 r9:000000<040> [r 8 :7050729590] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none 000000 r7:b60[0 0 0 7r56.:738977] Control: 10c5387d Table: 1467c04a DAC: 00000051 58b4000 r5:c<50a>c[d 0 4 07 5 .#746890] Process cat (pid: 1884, stack limit = 0xb73f8cd3) [ 75.068<303>8[] r745:.c7554804] Stack: (0xc5a07e30 to 0xc5a08000) cd040 # [ 7<50.>0[7 1 1 4715].761246] 7e20: c6c557c0 c6c44000 0000000d c5a07f60 [] (ks_[w r i t7e5.771679] 7e40: c5a07e64 c5a07e50 c0c586d4 c13c7e98 00000021 c6c44000 c5a07e74 c5a07e68 from [>][ ( s y7s5_782197] 7e60: c0c57914 c0c586a8 c5a07e9c c5a07e78 c0c57e14 c0c578f4 c0c57cf4 c5a69b80 write+0x18/0x1c<)0 > [# [ 7 5 792628] 7e80: b6e18000 0000000d c307a6c0 c5a07f60 c5a07ec4 c5a07ea0 c07e1b90 c0c57d00 75.078544] r9:8[b 4 0 0705 803060] 7ea0: 00000000 c5a69b80 b6e18000 c2815800 c5a07f60 c07e1b2c c5a07f5c c5a07ec8 r8:c03002e4 r7:<000>0[0 0 0 0745 813492] 7ec0: c059ba7c c07e1b38 00000001 00000000 c059c028 c13dd478 c059c028 c5a06000 r6:b6f47e00 r5:<000>0[0 0 0 07b5 823923] 7ee0: b6e18000 00020000 00000004 0000000d 0001fff3 c5a07ee0 00000001 b6e17000 r4:0000000b #< 0>[[ 7755..034354] 7f00: c69557c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 86559] [>[] ( s7y5s844699] 7f20: 00000000 00000000 c13dd478 9cea7d55 c206c120 c5a69b80 c5a69b80 c5a06000 _write) from <[0<>c[0 3 0 0705c.055130] 7f40: b6e18000 00000000 00000000 00000004 c5a07f94 c5a07f60 c059c028 c059b97c >] (ret_fast_sysl[l + 0 x705.865476] 7f60: 00000000 00000000 c5a07fac 9cea7d55 0000000d 0000000d b6f5fe00 00000004 0x28) # [ 75<.0>0[9 4 3 9725].875994] 7f80: c03002e4 c5a06000 c5a07fa4 c5a07f98 c059c0b8 c059bfc0 00000000 c5a07fa8 Exception stack<(00>x[c 5 8 b755f886425] 7fa0: c03000c0 c059c0ac 0000000d 0000000d 00000001 b6e18000 0000000d 00000000 a8 to 0xc58b5ff0<)0 > [# [ 7 5.896858] 7fc0: 0000000d 0000000d b6f5fe00 00000004 00000001 00000000 00020000 be93bac4 75.099712] 5fa<00:> [ 7 5 .907375] 7fe0: 00000004 be93b7f8 b6ec9d8f b6e507e6 800e0030 00000001 00000000 00000000 00<000>[0 0 0 b7 50.0917801] Backtrace: 0000b 00000001 b6e00000 00000<000[ 75.922431] [] (execute_location) from [] (lkdtm_EXEC_KMALLOC+0x38/0x44) b 00000000 # [< 0 > [7 5 . 17058933723] r7:c5a07f60 r6:0000000d r5:c6c44000 r4:c6c557c0 159] 5fc0: 000000<00b> [0 0 0 070.941639] [] (lkdtm_EXEC_KMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) 00b b6f47e<000> [0 0 0 07050.09452328] r5:c6c44000 r4:00000021 00000001 00000000< 0>0[0 0 2 0705.957987] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) 0 be9cfac4 # [ 75.116606<]0 >5 75.968340] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) fe0: 00000004 be<90c>f[7 f 8 7b5.979023] r9:c5a07f60 r8:c307a6c0 r7:0000000d r6:b6e18000 r5:c5a69b80 r4:c0c57cf4 eb1d8f b6e387e6 # [ 75<.01>2[1 75.989114] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) 930] Code: c58b58[ c 1 37c5.999624] r9:c07e1b2c r8:c5a07f60 r7:c2815800 r6:b6e18000 r5:c5a69b80 r4:00000000 0d8 c13c7e98 c58b5e<60c> [( e 1 a6.009712] [] (vfs_write) from [] (ksys_write+0x74/0xec) 0c00d) # [ 7<50.>[1 2 8 27964019273] r10:00000004 r9:00000000 r8:00000000 r7:b6e18000 r6:c5a06000 r5:c5a69b80 ] ---[ end< 0t>r[a c e 766c.a0d29353] r4:c5a69b80 1b2953b10c2 ]--- #< 0E>X[E C _ S6.033975] [] (ksys_write) from [] (sys_write+0x18/0x1c) TACK: missing< 0'>c[a l l 7t6r.a43536] r9:c5a06000 r8:c03002e4 r7:00000004 r6:b6f5fe00 r5:0000000d r4:0000000d ce:': [FAIL] not ok 3<10 >s[e l 76.053450] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) tests: lkm[: E X7E6C._0S6T613] Exception stack(0xc5a07fa8 to 0xc5a07ff0) ACK.sh # exi1[ # 7s6e.l070662] 7fa0: 0000000d 0000000d 00000001 b6e18000 0000000d 00000000 tests: lkdtm:< 0E>X[E C _ K7M6A.L81008] 7fc0: 0000000d 0000000d b6f5fe00 00000004 00000001 00000000 00020000 be93bac4 LOC.sh <0>[ 76.091350] 7fe0: 00000004 be93b7f8 b6ec9d8f b6e507e6 <0>[ 76.097358] Code: 09631781 83d81dbd b9bd6c22 b98cec2e (e1a0c00d) <4>[ 76.103721] ---[ end trace 6cad11b2953b10c3 ]--- # Segmentation fault # [ 75.567519] lkdtm: Performing direct entry EXEC_KMALLOC # [ 75.575220] lkdtm: attempting ok execution at c0c58684 # [ 75.583486] lkdtm: attempting bad execution at c6c557c0 # [ 75.591837] 8<--- cut here --- # [ 75.597953] Unable to handle kernel paging request at virtual address c6c557c0 # [ 75.607431] pgd = 9509af12 # [ 75.612304] [c6c557c0] *pgd=16c1141e(bad) # [ 75.618923] Internal error: Oops: 8000000d [#5] SMP ARM # [ 75.626486] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm phy_generic snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched parallel_display imxdrm imx_ipu_v3 # [ 75.658451] CPU: 3 PID: 1884 Comm: cat Tainted: G D W 5.10.205-cip41 #1 # [ 75.668617] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 75.677232] PC is at 0xc6c557c0 # [ 75.682634] LR is at execute_location+0xa4/0xb4 # [ 75.689758] pc : [] lr : [] psr: 600e0013 # [ 75.698019] sp : c5a07e30 ip : c5a07d38 fp : c5a07e4c # [ 75.705325] r10: 0000000d r9 : c1ad5954 r8 : c15ebd0c # [ 75.712544] r7 : c5a07f60 r6 : 00000001 r5 : c6c557c0 r4 : c0c58684 # [ 75.720981] r3 : 9cea7d55 r2 : 9cea7d55 r1 : ef7c05e0 r0 : 0000002b # [ 75.729590] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 75.738977] Control: 10c5387d Table: 1467c04a DAC: 00000051 # [ 75.746890] Process cat (pid: 1884, stack limit = 0xb73f8cd3) # [ 75.754804] Stack: (0xc5a07e30 to 0xc5a08000) # [ 75.761246] 7e20: c6c557c0 c6c44000 0000000d c5a07f60 # [ 75.771679] 7e40: c5a07e64 c5a07e50 c0c586d4 c13c7e98 00000021 c6c44000 c5a07e74 c5a07e68 # [ 75.782197] 7e60: c0c57914 c0c586a8 c5a07e9c c5a07e78 c0c57e14 c0c578f4 c0c57cf4 c5a69b80 # [ 75.792628] 7e80: b6e18000 0000000d c307a6c0 c5a07f60 c5a07ec4 c5a07ea0 c07e1b90 c0c57d00 # [ 75.803060] 7ea0: 00000000 c5a69b80 b6e18000 c2815800 c5a07f60 c07e1b2c c5a07f5c c5a07ec8 # [ 75.813492] 7ec0: c059ba7c c07e1b38 00000001 00000000 c059c028 c13dd478 c059c028 c5a06000 # [ 75.823923] 7ee0: b6e18000 00020000 00000004 0000000d 0001fff3 c5a07ee0 00000001 b6e17000 # [ 75.834354] 7f00: c69557c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 75.844699] 7f20: 00000000 00000000 c13dd478 9cea7d55 c206c120 c5a69b80 c5a69b80 c5a06000 # [ 75.855130] 7f40: b6e18000 00000000 00000000 00000004 c5a07f94 c5a07f60 c059c028 c059b97c # [ 75.865476] 7f60: 00000000 00000000 c5a07fac 9cea7d55 0000000d 0000000d b6f5fe00 00000004 # [ 75.875994] 7f80: c03002e4 c5a06000 c5a07fa4 c5a07f98 c059c0b8 c059bfc0 00000000 c5a07fa8 # [ 75.886425] 7fa0: c03000c0 c059c0ac 0000000d 0000000d 00000001 b6e18000 0000000d 00000000 # [ 75.896858] 7fc0: 0000000d 0000000d b6f5fe00 00000004 00000001 00000000 00020000 be93bac4 # [ 75.907375] 7fe0: 00000004 be93b7f8 b6ec9d8f b6e507e6 800e0030 00000001 00000000 00000000 # [ 75.917801] Backtrace: # [ 75.922431] [] (execute_location) from [] (lkdtm_EXEC_KMALLOC+0x38/0x44) # [ 75.933723] r7:c5a07f60 r6:0000000d r5:c6c44000 r4:c6c557c0 # [ 75.941639] [] (lkdtm_EXEC_KMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) # [ 75.952328] r5:c6c44000 r4:00000021 # [ 75.957987] []<6>[ 76.513576] lkdtm: Performing direct entry EXEC_VMALLOC (lkdtm_do_action) from [[ 76.521825] lkdtm: attempting ok execution at c0c58684 4>] (direct_entry+0x120/0x18c) #<6>[ 76.529950] lkdtm: attempting bad execution at f0988000 [ 75.968340] [] (dir<1>[ 76.538266] 8<--- cut here --- ect_entry) from [] (ful<1>[ 76.544605] Unable to handle kernel paging request at virtual address f0988000 l_proxy_write+0x64/0x94) # [ 7<1>[ 76.554845] pgd = cb191f3f 5.979023] r9:c5a07f60 r8:c307a6c<1>[ 76.560658] [f0988000] *pgd=12950811, *pte=4932965f, *ppte=4932945f 0 r7:0000000d r6:b6e18000 r5:c5a6<0>[ 76.570044] Internal error: Oops: 8000000f [#6] SMP ARM 9b80 r4:c0c57cf4 # [ 75.989114<4>[ 76.578359] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm phy_generic snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched parallel_display imxdrm imx_ipu_v3 ] [] (l[l _ p r7o6.610326] CPU: 3 PID: 1962 Comm: cat Tainted: G D W 5.10.205-cip41 #1 y_write) o[m [ <7c60.5692b408] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) a7c>] (vfs_write+0x10cx[5 3 76.628937] PC is at 0xf0988000 ) # [ 75.999624] r9:c0<74e>1[ 76.634685] LR is at execute_location+0xa4/0xb4 2c r8:c5a0<74f>6[0 r 77:6c.2648980] pc : [] lr : [] psr: 600e0013 15800 r6:b<64e>1[8 0 0 07 6r.56:50243] sp : c46c9e30 ip : 00000027 fp : c46c9e4c 5a69b80 r4<:40>0[0 0 0 07060. 6 57548] r10: 0000000d r9 : c1ad5964 r8 : c15ebd0c [ 76.00<947>1[2 ] [7<6c.6065855] r7 : c46c9f60 r6 : 00000001 r5 : f0988000 r4 : c0c58684 9b970>] (v_[w r i t7e6). 6f73377] r3 : 01b857f6 r2 : 01b857f6 r1 : ef7c05e4 r0 : 0000002b om [>[] ( k7s6y.s6_1987] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none write+0x7<44/>0[x e c )7 6 .6#9 1202] Control: 10c5387d Table: 16e7c04a DAC: 00000051 76.019273<]0 > [r 1 0 :7060.0698945] Process cat (pid: 1962, stack limit = 0xca36675e) 0004 r9:<000>0[0 0 0 0706 .r780:6858] Stack: (0xc46c9e30 to 0xc46ca000) 0000000 r7:b6e18<000>0[ r 6 :7c6.713214] 9e20: f0988000 c6bd6000 0000000d c46c9f60 a06000 r5:c5a69b80< 0 >#[ [ 7 .723733] 9e40: c46c9e64 c46c9e50 c0c58708 c13c7e98 00000022 c6bd6000 c46c9e74 c46c9e68 76.029353] r4:a[6 9 b 8706.734251] 9e60: c0c57914 c0c586ec c46c9e9c c46c9e78 c0c57e14 c0c578f4 c0c57cf4 c5a697c0 # [ 76.03397<50]> [[ < c 07569744769] 9e80: b6e1b000 0000000d c307a6c0 c46c9f60 c46c9ec4 c46c9ea0 c07e1b90 c0c57d00 bfb4>] (ksys_wri)[ f r o7m6.755200] 9ea0: 00000000 c5a697c0 b6e1b000 c2815800 c46c9f60 c07e1b2c c46c9f5c c46c9ec8 [] (sys<_0w>r[i t e +70.765719] 9ec0: c059ba7c c07e1b38 00000001 00000000 c059c028 c13dd478 c059c028 c46c8000 x18/0x1c) # [ < 07>6[. 0 4 3756.776237] 9ee0: b6e1b000 00020000 00000004 0000000d 0001fff3 c46c9ee0 00000001 b6e1a000 6] r9:c5a0600<00 >r[8 : c 07360.786754] 9f00: c58ec780 00000000 00000000 00000000 00000000 00000000 00000000 00000000 2e4 r7:00000004 r6<:0b>6[f 5 f e76.797188] 9f20: 00000000 00000000 c13dd478 01b857f6 c206c120 c5a697c0 c5a697c0 c46c8000 0 r5:0000000d< 0r>4[: 0 0 07060.007790] 9f40: b6e1b000 00000000 00000000 00000004 c46c9f94 c46c9f60 c059c028 c059b97c 0d # [ 76.053<405>0[] [ <7c6.818137] 9f60: 00000000 00000000 c46c9fac 01b857f6 0000000d 0000000d b6f62e00 00000004 59c0a0>] (sys<_0w>r[i t e )7 6f.r28653] 9f80: c03002e4 c46c8000 c46c9fa4 c46c9f98 c059c0b8 c059bfc0 00000000 c46c9fa8 om [<]0 >([r e t _7f6a.838999] 9fa0: c03000c0 c059c0ac 0000000d 0000000d 00000001 b6e1b000 0000000d 00000000 t_syscall+0/[0 x 2 876). 8 49430] 9fc0: 0000000d 0000000d b6f62e00 00000004 00000001 00000000 00020000 bea8aac4 [ 76.063613<]0 >E[x c e p7t6i.859691] 9fe0: 00000004 bea8a7f8 b6eccd8f b6e537e6 800e0030 00000001 00000000 00000000 n stack(0xc5a07f [t o 07x6.870118] Backtrace: 5a07ff0) # [ 76.070662] 7fa0: <0>[ 76.874924] [] (execute_location) from [] (lkdtm_EXEC_VMALLOC+0x28/0x34) < 00>0[0 0 0 070.886474] r7:c46c9f60 r6:0000000d r5:c6bd6000 r4:f0988000 d 0000000d 00000001 e[1 8 0 76.894478] [] (lkdtm_EXEC_VMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) 0 0000000d <000>0[0 0 0 0706 . 9#5337] r5:c6bd6000 r4:00000022 [ 76.081008] <70f>c[0 : 0706.910998] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) 0000d 0000000d b6f5fe00 00<000>0[ 76.921352] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) 04 00000001 <000>0[0 0 0 0706 .0932036] r9:c46c9f60 r8:c307a6c0 r7:0000000d r6:b6e1b000 r5:c5a697c0 r4:c0c57cf4 020000 be93bac4 # [ 76.0<901>3 76.941955] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) 50] 7fe0: 0000000<40 >b[ e 9 37b6.952555] r9:c07e1b2c r8:c46c9f60 r7:c2815800 r6:b6e1b000 r5:c5a697c0 r4:00000000 f8 b6ec9d8f b6e507 [ # [76.962639] [] (vfs_write) from [] (ksys_write+0x74/0xec) 76.097358] d[e : 07966.372201] r10:00000004 r9:00000000 r8:00000000 r7:b6e1b000 r6:c46c8000 r5:c5a697c0 1781 8<30d>8[1 d b7d6 .b998b2d165] r4:c5a697c0 c22 b98cec2e (e1a<00c>0[0 d ) 7 6.986557] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 76.1037<201>][ - - -7[6 .996033] r9:c46c8000 r8:c03002e4 r7:00000004 r6:b6f62e00 r5:0000000d r4:0000000d nd trace 6cad11b295<30b>1[0 c 3 7.006034] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) ]--- # E[C _ K M7A7L.L0O1C6024] Exception stack(0xc46c9fa8 to 0xc46c9ff0) missing 'call< 0t>r[a c e :7'7:.023075] 9fa0: 0000000d 0000000d 00000001 b6e1b000 0000000d 00000000 [FAIL] not ok 3<20 >s[e l f t7e7.033509] 9fc0: 0000000d 0000000d b6f62e00 00000004 00000001 00000000 00020000 bea8aac4 ts: lkdt [E X E C7_7K.M0A4L4022] 9fe0: 00000004 bea8a7f8 b6eccd8f b6e537e6 OC.sh # exit=1 # selftest [ 77.051079] Code: bad PC value kdtm: EXEC_VMALLOC.sh <4>[ 77.056981] ---[ end trace 6cad11b2953b10c4 ]--- # Segmentation fault # [ 76.513576] lkdtm: Performing direct entry EXEC_VMALLOC # [ 76.521825] lkdtm: attempting ok execution at c0c58684 # [ 76.529950] lkdtm: attempting bad execution at f0988000 # [ 76.538266] 8<--- cut here --- # [ 76.544605] Unable to handle kernel paging request at virtual address f0988000 # [ 76.554845] pgd = cb191f3f # [ 76.560658] [f0988000] *pgd=12950811, *pte=4932965f, *ppte=4932945f # [ 76.570044] Internal error: Oops: 8000000f [#6] SMP ARM # [ 76.578359] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm phy_generic snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched parallel_display imxdrm imx_ipu_v3 # [ 76.610326] CPU: 3 PID: 1962 Comm: cat Tainted: G D W 5.10.205-cip41 #1 # [ 76.620408] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 76.628937] PC is at 0xf0988000 # [ 76.634685] LR is at execute_location+0xa4/0xb4 # [ 76.641980] pc : [] lr : [] psr: 600e0013 # [ 76.650243] sp : c46c9e30 ip : 00000027 fp : c46c9e4c # [ 76.657548] r10: 0000000d r9 : c1ad5964 r8 : c15ebd0c # [ 76.664855] r7 : c46c9f60 r6 : 00000001 r5 : f0988000 r4 : c0c58684 # [ 76.673377] r3 : 01b857f6 r2 : 01b857f6 r1 : ef7c05e4 r0 : 0000002b # [ 76.681987] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 76.691202] Control: 10c5387d Table: 16e7c04a DAC: 00000051 # [ 76.698945] Process cat (pid: 1962, stack limit = 0xca36675e) # [ 76.706858] Stack: (0xc46c9e30 to 0xc46ca000) # [ 76.713214] 9e20: f0988000 c6bd6000 0000000d c46c9f60 # [ 76.723733] 9e40: c46c9e64 c46c9e50 c0c58708 c13c7e98 00000022 c6bd6000 c46c9e74 c46c9e68 # [ 76.734251] 9e60: c0c57914 c0c586ec c46c9e9c c46c9e78 c0c57e14 c0c578f4 c0c57cf4 c5a697c0 # [ 76.744769] 9e80: b6e1b000 0000000d c307a6c0 c46c9f60 c46c9ec4 c46c9ea0 c07e1b90 c0c57d00 # [ 76.755200] 9ea0: 00000000 c5a697c0 b6e1b000 c2815800 c46c9f60 c07e1b2c c46c9f5c c46c9ec8 # [ 76.765719] 9ec0: c059ba7c c07e1b38 00000001 00000000 c059c028 c13dd478 c059c028 c46c8000 # [ 76.776237] 9ee0: b6e1b000 00020000 00000004 0000000d 0001fff3 c46c9ee0 00000001 b6e1a000 # [ 76.786754] 9f00: c58ec780 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 76.797188] 9f20: 00000000 00000000 c13dd478 01b857f6 c206c120 c5a697c0 c5a697c0 c46c8000 # [ 76.807790] 9f40: b6e1b000 00000000 00000000 00000004 c46c9f94 c46c9f60 c059c028 c059b97c # [ 76.818137] 9f60: 00000000 00000000 c46c9fac 01b857f6 0000000d 0000000d b6f62e00 00000004 # [ 76.828653] 9f80: c03002e4 c46c8000 c46c9fa4 c46c9f98 c059c0b8 c059bfc0 00000000 c46c9fa8 # [ 76.838999] 9fa0: c03000c0 c059c0ac 0000000d 0000000d 00000001 b6e1b000 0000000d 00000000 # [ 76.849430] 9fc0: 0000000d 0000000d b6f62e00 00000004 00000001 00000000 00020000 bea8aac4 # [ 76.859691] 9fe0: 00000004 bea8a7f8 b6eccd8f b6e537e6 800e0030 00000001 00000000 00000000 # [ 76.870118] Backtrace: # [ 76.874924] [] (execute_location) from [] (lkdtm_EXEC_VMALLOC+0x28/0x34) # [ 76.886474] r7:c46c9f60 r6:0000000d r5:c6bd6000 r4:f0988000 # [ 76.894478] [] (lkdtm_EXEC_VMALLOC) from [] (lkdtm_do_action+0x2c/0x4c) # [ 76.905337] r5:c6bd6000 r4:00000022 # [ 76.910998] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 76.921352] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 76.932036] r9:c46c9f60 r8:c307a6c0 r7:0000000d r6:b6e1b000 r5:c5a697c0 r4:c0c57cf4 # [ 76.941955] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 76.952555] r9:c07e1b2c r8:c46c9f60 r7:c2815800 r6:b6e1b000 r5:c5a697c0 r4:00000000 # [ 76.962639] [] (vfs_wr<6>[ 77.513030] lkdtm: Performing direct entry EXEC_RODATA ite) from [] (ksys_writ<6>[ 77.520940] lkdtm: attempting ok execution at c0c58684 e+0x74/0xec) # [ 76.972201] r<6>[ 77.529083] lkdtm: attempting bad execution at c15ebfa8 10:00000004 r9:00000000 r8:000000<1>[ 77.537494] 8<--- cut here --- 00 r7:b6e1b000 r6:c4<61c>8[0 0 0 77.543608] Unable to handle kernel paging request at virtual address c15ebfa8 r5:c5a697c0 # [ 76.982195] r<1>[ 77.553359] pgd = f0d9ba00 :c5a697c0 # [ 76.986557] [[ 77.559101] [c15ebfa8] *pgd=1141941e(bad) 9bfb4>] (ksys_write) from [[ 77.566245] Internal error: Oops: 8000000d [#7] SMP ARM 0b8>] (sys_write+0x18/0x1c) # [ <4>[ 77.574587] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm phy_generic snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched parallel_display imxdrm imx_ipu_v3 76.996033] r9:c46c8000 r8:c030<4>[ 77.606559] CPU: 3 PID: 2040 Comm: cat Tainted: G D W 5.10.205-cip41 #1 02e4 r7:00000004 r6:b6f62e00 r<54>[ 77.617414] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 0000000d r4:0000000d # [ 77.00<4>[ 77.626907] PC is at lkdtm_rodata_do_nothing+0x0/0x10 6034] [] (sys_write) fr<4>[ 77.635078] LR is at execute_location+0xa4/0xb4 om [] (ret_fast_sc 77.642718] pc : [] lr : [] psr: 600e0013 all+0x0/0x28) # [ 77.016<042>4 77.651762] sp : c684fe38 ip : c684fd40 fp : c684fe54 ] Exception stack(0xc46f[a 8 77.659760] r10: 0000000c r9 : c1ad5974 r8 : c15ebd0c to 0xc46c9ff0) # [ 77<.40>2[3 77.667589] r7 : c684ff60 r6 : 00000000 r5 : c15ebfa8 r4 : c0c58684 075] 9fa0: 0<04>[ 77.676809] r3 : 21361b52 r2 : 21361b52 r1 : ef7c05e0 r0 : 0000002b 0000d 0000000d 00000001 b6e1b0<04>[ 77.686286] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none 0000000d 00000000 # [ 77<.40>[ 77.696371] Control: 10c5387d Table: 1685404a DAC: 00000051 3509] 9fc0: 0000000d 0000000d< 0b[ 77.704978] Process cat (pid: 2040, stack limit = 0xc8c1f237) 6f62e00 00000004 00000001 0<000>0 77.713586] Stack: (0xc684fe38 to 0xc6850000) 0000 00020000 bea8aac4 # [ 77<0>[ 77.720725] fe20: 00000023 c6c44000 044022] 9fe0: 00000004 bea8a7f8 b<0>[ 77.731946] fe40: 0000000c c684ff60 c684fe64 c684fe58 c13c8118 c13c7e98 c684fe74 c684fe68 6eccd8f b6e537e6 # [ 77.051079<0>[ 77.743243] fe60: c0c57914 c13c8100 c684fe9c c684fe78 c0c57e14 c0c578f4 c0c57cf4 c5acdb80 ] Code: bad PC value # [ 77.05<0>[ 77.754544] fe80: b6dd8000 0000000c c307a6c0 c684ff60 c684fec4 c684fea0 c07e1b90 c0c57d00 6981] ---[ end trace 6cad11b2953b<0>[ 77.765845] fea0: 00000000 c5acdb80 b6dd8000 c2815800 c684ff60 c07e1b2c c684ff5c c684fec8 10c4 ]--- # EXEC_VMALLOC: missin<0>[ 77.777146] fec0: c059ba7c c07e1b38 00000001 00000000 c059c028 c13dd478 c059c028 c684e000 g 'call trace:': [FAIL] not ok 3<0>[ 77.788443] fee0: b6dd8000 00020000 00000004 0000000c 0001fff4 c684fee0 00000001 b6dd7000 3 selftests: lkdtm: EXEC_VMALLOC.<0>[ 77.799744] ff00: c6955e00 00000000 00000000 00000000 00000000 00000000 00000000 00000000 sh # exit=1 # selftests: lkdtm: <0>[ 77.811044] ff20: 00000000 00000000 c13dd478 21361b52 c206c120 c5acdb80 c5acdb80 c684e000 EXEC_RODATA.sh <0>[ 77.822344] ff40: b6dd8000 00000000 00000000 00000004 c684ff94 c684ff60 c059c028 c059b97c <0>[ 77.832168] ff60: 00000000 00000000 c684ffac 21361b52 0000000c 0000000c b6f1fe00 00000004 <0>[ 77.840637] ff80: c03002e4 c684e000 c684ffa4 c684ff98 c059c0b8 c059bfc0 00000000 c684ffa8 <0>[ 77.849105] ffa0: c03000c0 c059c0ac 0000000c 0000000c 00000001 b6dd8000 0000000c 00000000 <0>[ 77.857573] ffc0: 0000000c 0000000c b6f1fe00 00000004 00000001 00000000 00020000 beb8aac4 <0>[ 77.866040] ffe0: 00000004 beb8a7f8 b6e89d8f b6e107e6 800e0030 00000001 00000000 00000000 <0>[ 77.874495] Backtrace: <0>[ 77.877255] [] (execute_location) from [] (lkdtm_EXEC_RODATA+0x24/0x28) <0>[ 77.885899] r7:c684ff60 r6:0000000c r5:c6c44000 r4:00000023 <0>[ 77.891862] [] (lkdtm_EXEC_RODATA) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 77.900420] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 77.908730] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 77.916942] r9:c684ff60 r8:c307a6c0 r7:0000000c r6:b6dd8000 r5:c5acdb80 r4:c0c57cf4 <0>[ 77.924989] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 77.933110] r9:c07e1b2c r8:c684ff60 r7:c2815800 r6:b6dd8000 r5:c5acdb80 r4:00000000 <0>[ 77.941146] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 77.948572] r10:00000004 r9:00000000 r8:00000000 r7:b6dd8000 r6:c684e000 r5:c5acdb80 <0>[ 77.956681] r4:c5acdb80 <0>[ 77.959508] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 77.966934] r9:c684e000 r8:c03002e4 r7:00000004 r6:b6f1fe00 r5:0000000c r4:0000000c <0>[ 77.974975] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 77.982827] Exception stack(0xc684ffa8 to 0xc684fff0) <0>[ 77.988169] ffa0: 0000000c 0000000c 00000001 b6dd8000 0000000c 00000000 <0>[ 77.996639] ffc0: 0000000c 0000000c b6f1fe00 00000004 00000001 00000000 00020000 beb8aac4 <0>[ 78.005101] ffe0: 00000004 beb8a7f8 b6e89d8f b6e107e6 <0>[ 78.010448] Code: 5f727563 6e756f63 00000074 aa55aa55 (e1a0c00d) <4>[ 78.016835] ---[ end trace 6cad11b2953b10c5 ]--- # Segmentation fault # [ 77.513030] lkdtm: Performing direct entry EXEC_RODATA # [ 77.520940] lkdtm: attempting ok execution at c0c58684 # [ 77.529083] lkdtm: attempting bad execution at c15ebfa8 # [ 77.537494] 8<--- cut here --- # [ 77.543608] Unable to handle kernel paging request at virtual address c15ebfa8 # [ 77.553359] pgd = f0d9ba00 # [ 77.559101] [c15ebfa8] *pgd=1141941e(bad) # [ 77.566245] Internal error: Oops: 8000000d [#7] SMP ARM # [ 77.574587] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm phy_generic snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched parallel_display imxdrm imx_ipu_v3 # [ 77.606559] CPU: 3 PID: 2040 Comm: cat Tainted: G D W 5.10.205-cip41 #1 # [ 77.617414] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 77.626907] PC is at lkdtm_rodata_do_nothing+0x0/0x10 # [ 77.635078] LR is at execute_location+0xa4/0xb4 # [ 77.642718] pc : [] lr : [] psr: 600e0013 # [ 77.651762] sp : c684fe38 ip : c684fd40 fp : c684fe54 # [ 77.659760] r10: 0000000c r9 : c1ad5974 r8 : c15ebd0c # [ 77.667589] r7 : c684ff60 r6 : 00000000 r5 : c15ebfa8 r4 : c0c58684 # [ 77.676809] r3 : 21361b52 r2 : 21361b52 r1 : ef7c05e0 r0 : 0000002b # [ 77.686286] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 77.696371] Control: 10c5387d Table: 1685404a DAC: 00000051 # [ 77.704978] Process cat (pid: 2040, stack limit = 0xc8c1f237) # [ 77.713586] Stack: (0xc684fe38 to 0xc6850000) # [ 77.720725] fe20: 00000023 c6c44000 # [ 77.731946] fe40: 0000000c c684ff60 c684fe64 c684fe58 c13c8118 c13c7e98 c684fe74 c684fe68 # [ 77.743243] fe60: c0c57914 c13c8100 c684fe9c c684fe78 c0c57e14 c0c578f4 c0c57cf4 c5acdb80 # [ 77.754544] fe80: b6dd8000 0000000c c307a6c0 c684ff60 c684fec4 c684fea0 c07e1b90 c0c57d00 # [ 77.765845] fea0: 00000000 c5acdb80 b6dd8000 c2815800 c684ff60 c07e1b2c c684ff5c c684fec8 # [ 77.777146] fec0: c059ba7c c07e1b38 00000001 00000000 c059c028 c13dd478 c059c028 c684e000 # [ 77.788443] fee0: b6dd8000 00020000 00000004 0000000c 0001fff4 c684fee0 00000001 b6dd7000 # [ 77.799744] ff00: c6955e00 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 77.811044] ff20: 00000000 00000000 c13dd478 21361b52 c206c120 c5acdb80 c5acdb80 c684e000 # [ 77.822344] ff40: b6dd8000 00000000 00000000 00000004 c684ff94 c684ff60 c059c028 c059b97c # [ 77.832168] ff60: 00000000 00000000 c684ffac 21361b52 0000000c 0000000c b6f1fe00 00000004 # [ 77.840637] ff80: c03002e4 c684e000 c684ffa4 c684ff98 c059c0b8 c059bfc0 00000000 c684ffa8 # [ 77.849105] ffa0: c03000c0 c059c0ac 0000000c 0000000c 00000001 b6dd8000 0000000c 00000000 # [ 77.857573] ffc0: 0000000c 0000000c b6f1fe00 00000004 00000001 00000000 00020000 beb8aac4 # [ 77.866040] ffe0: 00000004 beb8a7f8 b6e89d8f b6e107e6 800e0030 00000001 00000000 00000000 # [ 77.874495] Backtrace: # [ 77.877255] [] (execute_location) from [] (lkdtm_EXEC_RODATA+0x24/0x28) # [ 77.885899] r7:c684ff60 r6:0000000c r5:c6c44000 r4:00000023 # [ 77.891862] [] (lkdtm_EXEC_RODATA) from [] (lkdtm_do_action+0x2c/0x4c) # [ 77.900420] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 77.908730] [] (direct_entry) from [] (full_proxy_write+0x<6>[ 78.421417] lkdtm: Performing direct entry EXEC_USERSPACE 64/0x94) # [ 77.916942] r9:c6<6>[ 78.427741] lkdtm: attempting ok execution at c0c58684 84ff60 r8:c307a6c0 r7:0000000c r6<6>[ 78.437677] lkdtm: attempting bad execution at b6f05000 :b6dd8000 r5:c5acdb80 r4:c0c57cf4<1>[ 78.444491] Unhandled prefetch abort: page domain fault (0x00b) at 0xb6f05000 # [ 77.924989] <[0<>c[0 7 e 18.454618] Internal error: : b [#8] SMP ARM b2c>] (full_proxy_write) from [[ 78.461315] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm phy_generic snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched parallel_display imxdrm imx_ipu_v3 059ba7c>] (vfs_wt[e + 07x81493280] CPU: 3 PID: 2117 Comm: cat Tainted: G D W 5.10.205-cip41 #1 0c/0x53c) <#4 >[[ 7778..9533273] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 3110] r9:c07e1b2r[8 : c 678.511887] PC is at 0xb6f05000 4ff60 r7:c2815800 r6:b68[0 0 78.517376] LR is at lkdtm_EXEC_USERSPACE+0xc4/0xd4 0 r5:c5acd0[ r 4 :780.05020847] pc : [] lr : [] psr: 60070013 0000 # [< 4 > [7 7 . 97481.15436109] sp : c430fe48 ip : c430fd50 fp : c430fe64 ] [7[0 > ] 7(8v.f5s4_0329] r10: 0000000f r9 : c1ad5980 r8 : c15ebd0c rite) from [<<4c>0[5 9 c 7082.85>7550] r7 : c430ff60 r6 : 0000000f r5 : c6c4f000 r4 : b6f05000 ] (ksys_i[t e + 07x87.45/506157] r3 : 9ac09a97 r2 : 9ac09a97 r1 : ef7c05e0 r0 : 0000002b ec) # [ < 4 >7[7 . 9 47885.7526]681] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none r10:0<040>0[0 0 0 47 8r.95:730809] Control: 10c5387d Table: 168fc04a DAC: 00000051 000000 r8:00000<000>0[ r 7 :7b86581467] Process cat (pid: 2117, stack limit = 0xaa2932ce) dd8000 r<60:>c[6 8 4 e7080.05 8r9465] Stack: (0xc430fe48 to 0xc4310000) :c5acdb80 # [ < 0 >[7 7 . 97586.595821] fe40: 00000001 00000000 0000000f 00000024 c430fe74 c430fe68 81] r4:c5acdb8<00 > [# [ 7 8 606252] fe60: c0c57914 c0c58720 c430fe9c c430fe78 c0c57e14 c0c578f4 c0c57cf4 c5acd680 77.959508] [<5[9 b f b748>.]16685] fe80: b6dbf000 0000000f c307a6c0 c430ff60 c430fec4 c430fea0 c07e1b90 c0c57d00 (ksys_write) o[m [ <7c80.627031] fea0: 00000000 c5acd680 b6dbf000 c2815800 c430ff60 c07e1b2c c430ff5c c430fec8 9c0b8>] (sys_wri[+ 0 x 1788/637463] fec0: c059ba7c c07e1b38 00000001 00000000 c059c028 c13dd478 c059c028 c430e000 0x1c) # [ 7<70.>9[6 6 9 3748].647894] fee0: b6dbf000 00020000 00000004 0000000f 0001fff1 c430fee0 00000001 b6dbe000 r9:c684e000< 0r>8[: c 0 37080.2658325] ff00: c6ad0f00 00000000 00000000 00000000 00000000 00000000 00000000 00000000 4 r7:00000004 :[b 6 f 17f8e.668673] ff20: 00000000 00000000 c13dd478 9ac09a97 c206c120 c5acd680 c5acd680 c430e000 0 r5:0000000c r4<:00>0[0 0 0 0708.679105] ff40: b6dbf000 00000000 00000000 00000004 c430ff94 c430ff60 c059c028 c059b97c # [ 77.97497<50]> [[ < c 0758.689621] ff60: 00000000 00000000 c430ffac 9ac09a97 0000000f 0000000f b6f06e00 00000004 c0a0>] (sys_wre[) f r7o8m.700139] ff80: c03002e4 c430e000 c430ffa4 c430ff98 c059c0b8 c059bfc0 00000000 c430ffa8 []< 0(>r[e t _ f7a8s.t710572] ffa0: c03000c0 c059c0ac 0000000f 0000000f 00000001 b6dbf000 0000000f 00000000 syscall+0x0/0x28<)0 > [# [ 7 8.720918] ffc0: 0000000f 0000000f b6f06e00 00000004 00000001 00000000 00020000 be874ac4 77.982827] Exct[i o n 7s8t.731436] ffe0: 00000004 be8747f8 b6e70d8f b6df77e6 800e0030 00000001 00000000 00000000 ck(0xc684ffa8 t0[x c 6 8748f741862] Backtrace: ff0) # [ 77.988169] f0[: 78.746575] [] (lkdtm_EXEC_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) < 0 > [ 7 8 .07050779] r4:00000024 0000c 0000000c 00<000>0[0 0 1 7b.762313] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) 6dd8000 0000000c 00000<000>0[ 78.772663] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) [ 77.996639<]0 >f[f c 0 :7 80.783176] r9:c430ff60 r8:c307a6c0 r7:0000000f r6:b6dbf000 r5:c5acd680 r4:c0c57cf4 00000c 0000000c b6f1fe00 0<000>0[ 78.793181] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) 004 00000001 0<000>0[0 0 0 07 80.803778] r9:c07e1b2c r8:c430ff60 r7:c2815800 r6:b6dbf000 r5:c5acd680 r4:00000000 020000 beb8aac4 # <[0 > [ 7 8 .8.813780] [] (vfs_write) from [] (ksys_write+0x74/0xec) 005101] ffe0: <000>0[0 0 0 0748 .823340] r10:00000004 r9:00000000 r8:00000000 r7:b6dbf000 r6:c430e000 r5:c5acd680 eb8a7f<80 >b[6 e 8 97d88.f8 3b36422] r4:c5acd680 107e6 # [ 78.0<100>4[4 8 ] 7C.837870] [] (ksys_write) from [] (sys_write+0x18/0x1c) ode: 5f727563 <60e>7[5 6 f 6738 .847344] r9:c430e000 r8:c03002e4 r7:00000004 r6:b6f06e00 r5:0000000f r4:0000000f 0000074 aa55aa55 (e<10a>0[c 0 0 d8.857344] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) ) # [ < 07>8[. 0 1 67883.58]6 335] Exception stack(0xc430ffa8 to 0xc430fff0) ---[ end trac6[c a d 1718b.274385] ffa0: 0000000f 0000000f 00000001 b6dbf000 0000000f 00000000 953b10c5 ]--- #< 0E>X[E C _ R7O8.884731] ffc0: 0000000f 0000000f b6f06e00 00000004 00000001 00000000 00020000 be874ac4 ATA: missi [' c a l7l8 .t8r95246] ffe0: 00000004 be8747f8 b6e70d8f b6df77e6 ce:': [FAIL] not ok 3<40 >s[e l 78.902386] Code: bad PC value tests: lkdtm: EXEC_D[A T A .8.908041] ---[ end trace 6cad11b2953b10c6 ]--- sh # exit=1 # selftests: lkdtm: EXEC_USERSPACE.sh # Segmentation fault # [ 78.421417] lkdtm: Performing direct entry EXEC_USERSPACE # [ 78.427741] lkdtm: attempting ok execution at c0c58684 # [ 78.437677] lkdtm: attempting bad execution at b6f05000 # [ 78.444491] Unhandled prefetch abort: page domain fault (0x00b) at 0xb6f05000 # [ 78.454618] Internal error: : b [#8] SMP ARM # [ 78.461315] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm phy_generic snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched parallel_display imxdrm imx_ipu_v3 # [ 78.493280] CPU: 3 PID: 2117 Comm: cat Tainted: G D W 5.10.205-cip41 #1 # [ 78.503273] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 78.511887] PC is at 0xb6f05000 # [ 78.517376] LR is at lkdtm_EXEC_USERSPACE+0xc4/0xd4 # [ 78.524847] pc : [] lr : [] psr: 60070013 # [ 78.533109] sp : c430fe48 ip : c430fd50 fp : c430fe64 # [ 78.540329] r10: 0000000f r9 : c1ad5980 r8 : c15ebd0c # [ 78.547550] r7 : c430ff60 r6 : 0000000f r5 : c6c4f000 r4 : b6f05000 # [ 78.556157] r3 : 9ac09a97 r2 : 9ac09a97 r1 : ef7c05e0 r0 : 0000002b # [ 78.564681] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 78.573809] Control: 10c5387d Table: 168fc04a DAC: 00000051 # [ 78.581467] Process cat (pid: 2117, stack limit = 0xaa2932ce) # [ 78.589465] Stack: (0xc430fe48 to 0xc4310000) # [ 78.595821] fe40: 00000001 00000000 0000000f 00000024 c430fe74 c430fe68 # [ 78.606252] fe60: c0c57914 c0c58720 c430fe9c c430fe78 c0c57e14 c0c578f4 c0c57cf4 c5acd680 # [ 78.616685] fe80: b6dbf000 0000000f c307a6c0 c430ff60 c430fec4 c430fea0 c07e1b90 c0c57d00 # [ 78.627031] fea0: 00000000 c5acd680 b6dbf000 c2815800 c430ff60 c07e1b2c c430ff5c c430fec8 # [ 78.637463] fec0: c059ba7c c07e1b38 00000001 00000000 c059c028 c13dd478 c059c028 c430e000 # [ 78.647894] fee0: b6dbf000 00020000 00000004 0000000f 0001fff1 c430fee0 00000001 b6dbe000 # [ 78.658325] ff00: c6ad0f00 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 78.668673] ff20: 00000000 00000000 c13dd478 9ac09a97 c206c120 c5acd680 c5acd680 c430e000 # [ 78.679105] ff40: b6dbf000 00000000 00000000 00000004 c430ff94 c430ff60 c059c028 c059b97c # [ 78.689621] ff60: 00000000 00000000 c430ffac 9ac09a97 0000000f 0000000f b6f06e00 00000004 # [ 78.700139] ff80: c03002e4 c430e000 c430ffa4 c430ff98 c059c0b8 c059bfc0 00000000 c430ffa8 # [ 78.710572] ffa0: c03000c0 c059c0ac 0000000f 0000000f 00000001 b6dbf000 0000000f 00000000 # [ 78.720918] ffc0: 0000000f 0000000f b6f06e00 00000004 00000001 00000000 00020000 be874ac4 # [ 78.731436] ffe0: 00000004 be8747f8 b6e70d8f b6df77e6 800e0030 00000001 00000000 00000000 # [ 78.741862] Backtrace: # [ 78.746575] [] (lkdtm_EXEC_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 78.757779] r4:00000024 # [ 78.762313] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 78.772663] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 78.783176] r9:c430ff60 r8:c307a6c0 r7:0000000f r6:b6dbf000 r5:c5acd680 r4:c0c57cf4 # [ 78.793181] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 78.803778] r9:c07e1b2c r8:c430ff60 r7:c2815800 r6:b6dbf000 r5:c5acd680 r4:00000000 # [ 78.813780] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 78.823340] r10:00000004 r9:00000000 r8:00000000 r7:b6dbf000 r6:c430e000 r5:c5acd680 # [ 78.833422] r4:c5acd680 # [ 78.837870] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 78.847344] r9:c430<6>[ 79.324168] lkdtm: Performing direct entry EXEC_NULL e000 r8:c03002e4 r7:00000004 r6:b<6>[ 79.332111] lkdtm: attempting ok execution at c0c58684 6f06e00 r5:0000000f r4:0000000f <6>[ 79.340294] lkdtm: attempting bad execution at 00000000 # [ 78.857344] [] (sy<1>[ 79.348633] 8<--- cut here --- s_write) from [] (ret_f<1>[ 79.354913] Unable to handle kernel NULL pointer dereference at virtual address 00000000 ast_syscall+0x0/0x28) # [ 78.8<1>[ 79.366131] pgd = 602931a8 67335] Exception stack(0xc430ffa8<1>[ 79.372017] [00000000] *pgd=00000000 to 0xc430fff0) # [ 78.874385]<0>[ 79.378696] Internal error: Oops: 80000005 [#9] SMP ARM <4>[ 79.387004] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm phy_generic snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched parallel_display imxdrm imx_ipu_v3 <4>[ 79.416293] CPU: 0 PID: 2189 Comm: cat Tainted: G D W 5.10.205-cip41 #1 <4>[ 79.424300] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 79.431097] PC is at 0x0 <4>[ 79.433906] LR is at execute_location+0xa4/0xb4 <4>[ 79.438702] pc : [<00000000>] lr : [] psr: 600e0013 <4>[ 79.445234] sp : c6ad7e38 ip : 00000027 fp : c6ad7e54 <4>[ 79.450724] r10: 0000000a r9 : c1ad5990 r8 : c15ebd0c <4>[ 79.456215] r7 : c6ad7f60 r6 : 00000000 r5 : 00000000 r4 : c0c58684 <4>[ 79.463007] r3 : 185d9464 r2 : 185d9464 r1 : ef7815e4 r0 : 0000002b <4>[ 79.469801] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none <4>[ 79.477202] Control: 10c5387d Table: 16bc004a DAC: 00000051 <0>[ 79.483215] Process cat (pid: 2189, stack limit = 0xf543a61c) <0>[ 79.489226] Stack: (0xc6ad7e38 to 0xc6ad8000) <0>[ 79.493852] 7e20: 00000025 c6afc000 <0>[ 79.502298] 7e40: 0000000a c6ad7f60 c6ad7e64 c6ad7e58 c13c813c c13c7e98 c6ad7e74 c6ad7e68 <0>[ 79.510743] 7e60: c0c57914 c13c8128 c6ad7e9c c6ad7e78 c0c57e14 c0c578f4 c0c57cf4 c6ad0b40 <0>[ 79.519189] 7e80: b6def000 0000000a c307a6c0 c6ad7f60 c6ad7ec4 c6ad7ea0 c07e1b90 c0c57d00 <0>[ 79.527633] 7ea0: 00000000 c6ad0b40 b6def000 c2815800 c6ad7f60 c07e1b2c c6ad7f5c c6ad7ec8 <0>[ 79.536079] 7ec0: c059ba7c c07e1b38 00000001 00000000 c059c028 c58f4324 c059c028 c6ad6000 <0>[ 79.544525] 7ee0: b6def000 00020000 00000004 0000000a 0001fff6 c6ad7ee0 00000001 00000805 <0>[ 79.552969] 7f00: c58e7900 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 79.561415] 7f20: 00000000 00000000 c6ad6000 185d9464 b6dee000 c6ad0b40 c6ad0b40 c6ad6000 <0>[ 79.569860] 7f40: b6def000 00000000 00000000 00000004 c6ad7f94 c6ad7f60 c059c028 c059b97c <0>[ 79.578306] 7f60: 00000000 00000000 c6ad7fac 185d9464 0000000a 0000000a b6f36e00 00000004 <0>[ 79.586752] 7f80: c03002e4 c6ad6000 c6ad7fa4 c6ad7f98 c059c0b8 c059bfc0 00000000 c6ad7fa8 <0>[ 79.595196] 7fa0: c03000c0 c059c0ac 0000000a 0000000a 00000001 b6def000 0000000a 00000000 <0>[ 79.603641] 7fc0: 0000000a 0000000a b6f36e00 00000004 00000001 00000000 00020000 be958ac4 <0>[ 79.612087] 7fe0: 00000004 be9587f8 b6ea0d8f b6e277e6 800e0030 00000001 00000000 00000000 <0>[ 79.620526] Backtrace: <0>[ 79.623253] [] (execute_location) from [] (lkdtm_EXEC_NULL+0x20/0x24) <0>[ 79.631698] r7:c6ad7f60 r6:0000000a r5:c6afc000 r4:00000025 <0>[ 79.637631] [] (lkdtm_EXEC_NULL) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 79.645993] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 79.654271] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 79.662455] r9:c6ad7f60 r8:c307a6c0 r7:0000000a r6:b6def000 r5:c6ad0b40 r4:c0c57cf4 <0>[ 79.670475] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 79.678574] r9:c07e1b2c r8:c6ad7f60 r7:c2815800 r6:b6def000 r5:c6ad0b40 r4:00000000 <0>[ 79.686587] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 79.693990] r10:00000004 r9:00000000 r8:00000000 r7:b6def000 r6:c6ad6000 r5:c6ad0b40 <0>[ 79.702083] r4:c6ad0b40 <0>[ 79.704887] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 79.712293] r9:c6ad6000 r8:c03002e4 r7:00000004 r6:b6f36e00 r5:0000000a r4:0000000a <0>[ 79.720309] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 79.728143] Exception stack(0xc6ad7fa8 to 0xc6ad7ff0) <0>[ 79.733462] 7fa0: 0000000a 0000000a 00000001 b6def000 0000000a 00000000 <0>[ 79.741908] 7fc0: 0000000a 0000000a b6f36e00 00000004 00000001 00000000 00020000 be958ac4 <0>[ 79.750352] 7fe0: 00000004 be9587f8 b6ea0d8f b6e277e6 <0>[ 79.755673] Code: bad PC value ffa0: 0000000f<4>[ 79.759058] ---[ end trace 6cad11b2953b10c7 ]--- 0000000f 00000001 b6dbf000 0000000f 00000000 # [ 78.884731] ffc0: 0000000f 0000000f b6f06e00 00000004 00000001 00000000 00020000 be874ac4 # [ 78.895246] ffe0: 00000004 be8747f8 b6e70d8f b6df77e6 # [ 78.902386] Code: bad PC value # [ 78.908041] ---[ end trace 6cad11b2953b10c6 ]--- # EXEC_USERSPACE: missing 'call trace:': [FAIL] not ok 35 selftests: lkdtm: EXEC_USERSPACE.sh # exit=1 # selftests: lkdtm: EXEC_NULL.sh # Segmentation fault # [ 79.324168] lkdtm: Performing direct entry EXEC_NULL # [ 79.332111] lkdtm: attempting ok execution at c0c58684 # [ 79.340294] lkdtm: attempting bad execution at 00000000 # [ 79.348633] 8<--- cut here --- # [ 79.354913] Unable to handle kernel NULL pointer dereference at virtual address 00000000 # [ 79.366131] pgd = 602931a8 # [ 79.372017] [00000000] *pgd=00000000 # [ 79.378696] Internal error: Oops: 80000005 [#9] SMP ARM # [ 79.387004] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm phy_generic snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched parallel_display imxdrm imx_ipu_v3 # [ 79.416293] CPU: 0 PID: 2189 Comm: cat Tainted: G D W 5.10.205-cip41 #1 # [ 79.424300] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 79.431097] PC is at 0x0 # [ 79.433906] LR is at execute_location+0xa4/0xb4 # [ 79.438702] pc : [<00000000>] lr : [] psr: 600e0013 # [ 79.445234] sp : c6ad7e38 ip : 00000027 fp : c6ad7e54 # [ 79.450724] r10: 0000000a r9 : c1ad5990 r8 : c15ebd0c # [ 79.456215] r7 : c6ad7f60 r6 : 00000000 r5 : 00000000 r4 : c0c58684 # [ 79.463007] r3 : 185d9464 r2 : 185d9464 r1 : ef7815e4 r0 : 0000002b # [ 79.469801] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 79.477202] Control: 10c5387d Table: 16bc004a DAC: 00000051 # [ 79.483215] Process cat (pid: 2189, stack limit = 0xf543a61c) # [ 79.489226] Stack: (0xc6ad7e38 to 0xc6ad8000) # [ 79.493852] 7e20: 00000025 c6afc000 # [ 79.502298] 7e40: 0000000a c6ad7f60 c6ad7e64 c6ad7e58 c13c813c c13c7e98 c6ad7e74 c6ad7e68 # [ 79.510743] 7e60: c0c57914 c13c8128 c6ad7e9c c6ad7e78 c0c57e14 c0c578f4 c0c57cf4 c6ad0b40 # [ 79.519189] 7e80: b6def000 0000000a c307a6c0 c6ad7f60 c6ad7ec4 c6ad7ea0 c07e1b90 c0c57d00 # [ 79.527633] 7ea0: 00000000 c6ad0b40 b6def000 c2815800 c6ad7f60 c07e1b2c c6ad7f5c c6ad7ec8 # [ 79.536079] 7ec0: c059ba7c c07e1b38 00000001 00000000 c059c028 c58f4324 c059c028 c6ad6000 # [ 79.544525] 7ee0: b6def000 00020000 00000004 0000000a 0001fff6 c6ad7ee0 00000001 00000805 # [ 79.552969] 7f00: c58e7900 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 79.561415] 7f20: 00000000 00000000 c6ad6000 185d9464 b6dee000 c6ad0b40 c6ad0b40 c6ad6000 # [ 79.569860] 7f40: b6def000 00000000 00000000 00000004 c6ad7f94 c6ad7f60 c059c028 c059b97c # [ 79.578306] 7f60: 00000000 00000000 c6ad7fac 185d9464 0000000a 0000000a b6f36e00 00000004 # [ 79.586752] 7f80: c03002e4 c6ad6000 c6ad7fa4 c6ad7f98 c059c0b8 c059bfc0 00000000 c6ad7fa8 # [ 79.595196] 7fa0: c03000c0 c059c0ac 0000000a 0000000a 00000001 b6def000 0000000a 00000000 # [ 79.603641] 7fc0: 0000000a 0000000a b6f36e00 00000004 00000001 00000000 00020000 be958ac4 # [ 79.612087] 7fe0: 00000004 be9587f8 b6ea0d8f b6e277e6 800e0030 00000001 00000000 00000000 # [ 79.620526] Backtrace: # [ 79.623253] [] (execute_location) from [] (lkdtm_EXEC_NULL+0x20/0x24) # [ 79.631698] r7:c6ad7f60 r6:0000000a r5:c6afc000 r4:00000025 # [ 79.637631] [] (lkdtm_EXEC_NULL) from [] (lkdtm_do_action+0x2c/0x4c) # [ 79.645993] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 79.654271] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 79.662455] r9:c6ad7f60 r8:c307a6c0 r7:0000000a r6:b6<6>[ 80.207207] lkdtm: Performing direct entry ACCESS_USERSPACE def000 r5:c6ad0b40 r4:c0c57cf4 #<6>[ 80.213977] lkdtm: attempting bad read at b6f9d000 [ 79.670475] [] (ful<1>[ 80.221704] 8<--- cut here --- l_proxy_write) from [<5[9 b 80.227811] Unhandled fault: page domain fault (0x01b) at 0xb6f9d000 7c>] (vfs_write+0x10c/0x53c) < 1#[ 80.236777] pgd = 0abd8360 [ 79.678574] r9:c07e1b2c r8:c<1>[ 80.242348] [b6f9d000] *pgd=4bd55831 6ad7f60 r7:c2815800 r6:b6def000 r<0>[ 80.249057] Internal error: : 1b [#10] SMP ARM 5:c6ad0b40 r4:00000000 # [ 79.<4>[ 80.256614] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm phy_generic snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched parallel_display imxdrm imx_ipu_v3 686587] [] (vfs_write) <4>[ 80.288583] CPU: 3 PID: 2266 Comm: cat Tainted: G D W 5.10.205-cip41 #1 from [] (ksys_wt[e 80.299439] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) +0x74/0xec) # [ 79.693990] r1<4>[ 80.308678] PC is at lkdtm_ACCESS_USERSPACE+0x114/0x16c 0:00000004 r9:00000000 r8:0000000<4>[ 80.317014] LR is at __irq_work_queue_local+0x40/0x74 0 r7:b6def000 r6:c6ad6000 r5:c6a<4>[ 80.325185] pc : [] lr : [] psr: 600e0013 0b40 # [ 79.702083] < 4r>4[: c 80.334483] sp : c6c27e38 ip : c6c27d40 fp : c6c27e64 6ad0b40 # [ 79.704887]< 4[><[c 80.342313] r10: 00000011 r9 : c1ad599c r8 : c15ebd0c 059bfb4>] (ksys_write) fro[[ 80.350228] r7 : c6c27f60 r6 : 00000051 r5 : c6c26000 r4 : b6f9d000 c059c0b8>] (sys_write+0x18/<04x>1 80.359531] r3 : 65c16df4 r2 : 65c16df4 r1 : ef7c05e0 r0 : 00000026 c) # [ 79.712293] r9:c6ad6000<4>[ 80.368839] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none r8:c03002e4 r7:00000004 r6:[ 80.379093] Control: 10c5387d Table: 168fc04a DAC: 00000051 36e00 r5:0000000a r4:0000000a <#>[ 80.387702] Process cat (pid: 2266, stack limit = 0xfaebab7c) [ 79.720309] [<]0 >( 80.396396] Stack: (0xc6c27e38 to 0xc6c28000) sys_write) from [] (ret<0>[ 80.403533] 7e20: 00000022 00000000 _fast_syscall+0x0/0x28) # [ 79<0>[ 80.414837] 7e40: 00000000 65c16df4 c6c27e6c 00000026 c6c4f000 00000011 c6c27e74 c6c27e68 .728143] Exception stack(0xc6ad7f<0>[ 80.426137] 7e60: c0c57914 c0c587f4 c6c27e9c c6c27e78 c0c57e14 c0c578f4 c0c57cf4 c69d2280 a8 to 0xc6ad7ff0) # [ 79.73346<0>[ 80.437436] 7e80: b6e57000 00000011 c307a6c0 c6c27f60 c6c27ec4 c6c27ea0 c07e1b90 c0c57d00 2] 7fa0: 000000<0>[ 80.448738] 7ea0: 00000000 c69d2280 b6e57000 c2815800 c6c27f60 c07e1b2c c6c27f5c c6c27ec8 0a 0000000a 00000001 b6def000 000<0>[ 80.460036] 7ec0: c059ba7c c07e1b38 00000001 00000000 c059c028 c13dd478 c059c028 c6c26000 0000a 00000000 # [ 79.741908] <0>[ 80.471337] 7ee0: b6e57000 00020000 00000004 00000011 0001ffef c6c27ee0 00000001 b6e56000 7fc0: 0000000a 0000000a b6f36e00 <0>[ 80.482637] 7f00: c6ad0c80 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000004 00000001 00000000 000200<0>[ 80.493936] 7f20: 00000000 00000000 c13dd478 65c16df4 c206c120 c69d2280 c69d2280 c6c26000 00 be958ac4 # [ 79.750352] 7fe<0>[ 80.505235] 7f40: b6e57000 00000000 00000000 00000004 c6c27f94 c6c27f60 c059c028 c059b97c 0: 00000004 be9587f8 b6ea0d8f b6e<0>[ 80.516534] 7f60: 00000000 00000000 c6c27fac 65c16df4 00000011 00000011 b6f9ee00 00000004 277e6 # [ 79.755673] Code: bad<0>[ 80.527835] 7f80: c03002e4 c6c26000 c6c27fa4 c6c27f98 c059c0b8 c059bfc0 00000000 c6c27fa8 PC value # [ 79.759058] ---[ <0>[ 80.539133] 7fa0: c03000c0 c059c0ac 00000011 00000011 00000001 b6e57000 00000011 00000000 end trace 6cad11b2953b10c7 ]--- <0>[ 80.550437] 7fc0: 00000011 00000011 b6f9ee00 00000004 00000001 00000000 00020000 bea7cac4 # EXEC_NULL: missing 'call trace:<0>[ 80.561736] 7fe0: 00000004 bea7c7f8 b6f08d8f b6e8f7e6 800e0030 00000001 00000000 00000000 ': [FAIL] not ok 36 selftests: l<0>[ 80.573022] Backtrace: kdtm: EXEC_NULL.sh # exit=1 # se<0>[ 80.578619] [] (lkdtm_ACCESS_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) lftests: lkdtm: ACCESS_USERSPACE.0>[ 80.590426] r6:00000011 r5:c6c4f000 r4:00000026 sh <0>[ 80.598086] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 80.606704] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 80.614916] r9:c6c27f60 r8:c307a6c0 r7:00000011 r6:b6e57000 r5:c69d2280 r4:c0c57cf4 <0>[ 80.622965] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 80.631086] r9:c07e1b2c r8:c6c27f60 r7:c2815800 r6:b6e57000 r5:c69d2280 r4:00000000 <0>[ 80.639124] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 80.646548] r10:00000004 r9:00000000 r8:00000000 r7:b6e57000 r6:c6c26000 r5:c69d2280 <0>[ 80.654657] r4:c69d2280 <0>[ 80.657485] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 80.664910] r9:c6c26000 r8:c03002e4 r7:00000004 r6:b6f9ee00 r5:00000011 r4:00000011 <0>[ 80.672949] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 80.680802] Exception stack(0xc6c27fa8 to 0xc6c27ff0) <0>[ 80.686142] 7fa0: 00000011 00000011 00000001 b6e57000 00000011 00000000 <0>[ 80.694610] 7fc0: 00000011 00000011 b6f9ee00 00000004 00000001 00000000 00020000 bea7cac4 <0>[ 80.703071] 7fe0: 00000004 bea7c7f8 b6f08d8f b6e8f7e6 <0>[ 80.708414] Code: e1a01004 e30608c0 e34c01ad eb1d91e2 (e5943000) <4>[ 80.714802] ---[ end trace 6cad11b2953b10c8 ]--- # Segmentation fault # [ 80.207207] lkdtm: Performing direct entry ACCESS_USERSPACE # [ 80.213977] lkdtm: attempting bad read at b6f9d000 # [ 80.221704] 8<--- cut here --- # [ 80.227811] Unhandled fault: page domain fault (0x01b) at 0xb6f9d000 # [ 80.236777] pgd = 0abd8360 # [ 80.242348] [b6f9d000] *pgd=4bd55831 # [ 80.249057] Internal error: : 1b [#10] SMP ARM # [ 80.256614] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm phy_generic snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched parallel_display imxdrm imx_ipu_v3 # [ 80.288583] CPU: 3 PID: 2266 Comm: cat Tainted: G D W 5.10.205-cip41 #1 # [ 80.299439] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 80.308678] PC is at lkdtm_ACCESS_USERSPACE+0x114/0x16c # [ 80.317014] LR is at __irq_work_queue_local+0x40/0x74 # [ 80.325185] pc : [] lr : [] psr: 600e0013 # [ 80.334483] sp : c6c27e38 ip : c6c27d40 fp : c6c27e64 # [ 80.342313] r10: 00000011 r9 : c1ad599c r8 : c15ebd0c # [ 80.350228] r7 : c6c27f60 r6 : 00000051 r5 : c6c26000 r4 : b6f9d000 # [ 80.359531] r3 : 65c16df4 r2 : 65c16df4 r1 : ef7c05e0 r0 : 00000026 # [ 80.368839] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 80.379093] Control: 10c5387d Table: 168fc04a DAC: 00000051 # [ 80.387702] Process cat (pid: 2266, stack limit = 0xfaebab7c) # [ 80.396396] Stack: (0xc6c27e38 to 0xc6c28000) # [ 80.403533] 7e20: 00000022 00000000 # [ 80.414837] 7e40: 00000000 65c16df4 c6c27e6c 00000026 c6c4f000 00000011 c6c27e74 c6c27e68 # [ 80.426137] 7e60: c0c57914 c0c587f4 c6c27e9c c6c27e78 c0c57e14 c0c578f4 c0c57cf4 c69d2280 # [ 80.437436] 7e80: b6e57000 00000011 c307a6c0 c6c27f60 c6c27ec4 c6c27ea0 c07e1b90 c0c57d00 # [ 80.448738] 7ea0: 00000000 c69d2280 b6e57000 c2815800 c6c27f60 c07e1b2c c6c27f5c c6c27ec8 # [ 80.460036] 7ec0: c059ba7c c07e1b38 00000001 00000000 c059c028 c13dd478 c059c028 c6c26000 # [ 80.471337] 7ee0: b6e57000 00020000 00000004 00000011 0001ffef c6c27ee0 00000001 b6e56000 # [ 80.482637] 7f00: c6ad0c80 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 80.493936] 7f20: 00000000 00000000 c13dd478 65c16df4 c206c120 c69d2280 c69d2280 c6c26000 # [ 80.505235] 7f40: b6e57000 00000000 00000000 00000004 c6c27f94 c6c27f60 c059c028 c059b97c # [ 80.516534] 7f60: 00000000 00000000 c6c27fac 65c16df4 00000011 00000011 b6f9ee00 00000004 # [ 80.527835] 7f80: c03002e4 c6c26000 c6c27fa4 c6c27f98 c059c0b8 c059bfc0 00000000 c6c27fa8 # [ 80.539133] 7fa0: c03000c0 c059c0ac 00000011 00000011 00000001 b6e57000 00000011 00000000 # [ 80.550437] 7fc0: 00000011 00000011 b6f9ee00 00000004 00000001 00000000 00020000 bea7cac4 # [ 80.561736] 7fe0: 00000004 bea7c7f8 b6f08d8f b6e8f7e6 800e0030 00000001 00000000 00000000 # [ 80.573022] Backtrace: # [ 80.578619] [] (lkdtm_ACCESS_USERSPACE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 80.590426] r6:00000011 r5:c6c4f000 r4:00000026 # [ 80.598086] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 80.606704] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 80.614916] r9:c6c27f60 r8:c307a6c0 r7:00000011 r6:b6e57000 r5:c69d2280 r4:c0c57cf4 # [ 80.622965] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 80.631086] r9:c07e1b2c r8:c6c27f60 r7:c2815800 r6:b6e<6>[ 81.160384] lkdtm: Performing direct entry ACCESS_NULL 57000 r5:c69d2280 r4:0<060>0[0 0 81.168589] lkdtm: attempting bad read at 00000000 0 # [ 80.639124] [] <1>[ 81.176129] 8<--- cut here --- (vfs_write) from [] (ks<1>[ 81.182308] Unable to handle kernel NULL pointer dereference at virtual address 00000000 ys_write+0x74/0xec) # [ 80.646<1>[ 81.193498] pgd = b58ce49b 548] r10:00000004 r9:00000000 r8<1>[ 81.199248] [00000000] *pgd=00000000 :00000000 r7:b6e57000 r6:c6c26000<0>[ 81.205978] Internal error: Oops: 5 [#11] SMP ARM r5:c69d2280 # [ 80.654657] r<4>[ 81.213763] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm phy_generic snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched parallel_display imxdrm imx_ipu_v3 4:c69d2280 # [ 8<04.>6[5 7 4 81.245727] CPU: 2 PID: 2342 Comm: cat Tainted: G D W 5.10.205-cip41 #1 5] [4[> ] (8k1s.y2s55894] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) write) from [] (sys<_4w[ 81.264516] PC is at lkdtm_ACCESS_NULL+0x28/0x68 rite+0x18/0x1c) <#4 >[[ 880.271989] LR is at __irq_work_queue_local+0x40/0x74 .664910] r9<:4c>6[c 2 6 8010.02 9378] pc : [] lr : [] psr: 600e0013 r8:c03002 [r 7 : 08010.02080724] sp : c6961e50 ip : c6961d58 fp : c6961e64 04 r6:b<46>f[9 e e 0801 .r259:40944] r10: 0000000c r9 : c1ad59b0 r8 : c15ebd0c 000011 r<44:>0[0 0 0 08011.13 02 78] r7 : c6961f60 r6 : 0000000c r5 : c6bff000 r4 : 00000000 # [ 80.6<742>9[4 9 ] 8[1<.c3010515] r3 : 7567ac59 r2 : 7567ac59 r1 : ef7ab5e0 r0 : 00000026 9c0a0>] (sys<_4w>r[i t e )8 1f.r319125] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none m [>][ ( r e81t._3f28427] Control: 10c5387d Table: 1685004a DAC: 00000051 st_syscall+0x0x[2 8 ) 8 1#.336256] Process cat (pid: 2342, stack limit = 0xb4f8d7df) [ 80.6808<002>][ E x c8e1p.t3i4257] Stack: (0xc6961e50 to 0xc6962000) on stack(0xc6c278[ t o 801.350699] 1e40: 00000027 c6bff000 c6961e74 c6961e68 c6c27ff0) # [ < 0 >8[0 . 6 8816.361218] 1e60: c0c57914 c13c814c c6961e9c c6961e78 c0c57e14 c0c578f4 c0c57cf4 c58e7680 42] 7fa0: < 0 > [ 8 1 .371650] 1e80: b6e38000 0000000c c307a6c0 c6961f60 c6961ec4 c6961ea0 c07e1b90 c0c57d00 00000011 00<000>0[0 1 1 8010382082] 1ea0: 00000000 c58e7680 b6e38000 c2815800 c6961f60 c07e1b2c c6961f5c c6961ec8 000001 b6e57000< 00>0[0 0 0 08111392514] 1ec0: c059ba7c c07e1b38 00000001 00000000 c059c028 c13dd478 c059c028 c6960000 00000000 # <[0 > [ 8 0 .861.9402945] 1ee0: b6e38000 00020000 00000004 0000000c 0001fff4 c6961ee0 00000001 b6e37000 610] 7fc0: 000<000>0[1 1 08010.413289] 1f00: c4726c80 00000000 00000000 00000000 00000000 00000000 00000000 00000000 0011 b6f9ee00 00<000>0[0 0 4 801.423722] 1f20: 00000000 00000000 c13dd478 7567ac59 c206c120 c58e7680 c58e7680 c6960000 000001 00000000 <000>0[2 0 0 0801.434242] 1f40: b6e38000 00000000 00000000 00000004 c6961f94 c6961f60 c059c028 c059b97c bea7cac4 # [< 0 > [8 0 . 78013.044759] 1f60: 00000000 00000000 c6961fac 7567ac59 0000000c 0000000c b6f7fe00 00000004 71] 7fe0: 00000<000>4[ b e a871c455105] 1f80: c03002e4 c6960000 c6961fa4 c6961f98 c059c0b8 c059bfc0 00000000 c6961fa8 7f8 b6f08d8f b6f[7 e 6 8 1#465538] 1fa0: c03000c0 c059c0ac 0000000c 0000000c 00000001 b6e38000 0000000c 00000000 [ 80.708414<]0 >C[o d e :8 1e.475968] 1fc0: 0000000c 0000000c b6f7fe00 00000004 00000001 00000000 00020000 befb5ac4 a01004 e30608c0 4[c 0 1 a8d1.486402] 1fe0: 00000004 befb57f8 b6ee9d8f b6e707e6 800e0030 00000001 00000000 00000000 eb1d91e2 (e59<403>0[0 0 ) 8 1 .#96913] Backtrace: [ 80.714802] ---[ end trace< 0>[ 81.501544] [] (lkdtm_ACCESS_NULL) from [] (lkdtm_do_action+0x2c/0x4c) cad11b2953b1<00c>8[ ] - -8-1 . 512746] r5:c6bff000 r4:00000027 ACCESS_USERSPACE:< 0m>i[s s i n81.518494] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) 'call trace:': [FAIL] noo[ 81.528931] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) 37 selftests<:0 >l[k d t m8:1 .A39616] r9:c6961f60 r8:c307a6c0 r7:0000000c r6:b6e38000 r5:c58e7680 r4:c0c57cf4 CCESS_USERSPACE.sh # exit=1< 0 ># 81.549535] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) selftests: lkd:[ A C C8E1S560133] r9:c07e1b2c r8:c6961f60 r7:c2815800 r6:b6e38000 r5:c58e7680 r4:00000000 S_NULL.sh <0>[ 81.570133] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 81.578480] r10:00000004 r9:00000000 r8:00000000 r7:b6e38000 r6:c6960000 r5:c58e7680 <0>[ 81.586573] r4:c58e7680 <0>[ 81.589377] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 81.596781] r9:c6960000 r8:c03002e4 r7:00000004 r6:b6f7fe00 r5:0000000c r4:0000000c <0>[ 81.604796] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 81.612630] Exception stack(0xc6961fa8 to 0xc6961ff0) <0>[ 81.617951] 1fa0: 0000000c 0000000c 00000001 b6e38000 0000000c 00000000 <0>[ 81.626397] 1fc0: 0000000c 0000000c b6f7fe00 00000004 00000001 00000000 00020000 befb5ac4 <0>[ 81.634841] 1fe0: 00000004 befb57f8 b6ee9d8f b6e707e6 <0>[ 81.640161] Code: e30608c0 e34c01ad e1a01004 ebffd3c7 (e5945000) <4>[ 81.646589] ---[ end trace 6cad11b2953b10c9 ]--- # Segmentation fault # [ 81.160384] lkdtm: Performing direct entry ACCESS_NULL # [ 81.168589] lkdtm: attempting bad read at 00000000 # [ 81.176129] 8<--- cut here --- # [ 81.182308] Unable to handle kernel NULL pointer dereference at virtual address 00000000 # [ 81.193498] pgd = b58ce49b # [ 81.199248] [00000000] *pgd=00000000 # [ 81.205978] Internal error: Oops: 5 [#11] SMP ARM # [ 81.213763] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm phy_generic snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched parallel_display imxdrm imx_ipu_v3 # [ 81.245727] CPU: 2 PID: 2342 Comm: cat Tainted: G D W 5.10.205-cip41 #1 # [ 81.255894] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 81.264516] PC is at lkdtm_ACCESS_NULL+0x28/0x68 # [ 81.271989] LR is at __irq_work_queue_local+0x40/0x74 # [ 81.279378] pc : [] lr : [] psr: 600e0013 # [ 81.287724] sp : c6961e50 ip : c6961d58 fp : c6961e64 # [ 81.294944] r10: 0000000c r9 : c1ad59b0 r8 : c15ebd0c # [ 81.302078] r7 : c6961f60 r6 : 0000000c r5 : c6bff000 r4 : 00000000 # [ 81.310515] r3 : 7567ac59 r2 : 7567ac59 r1 : ef7ab5e0 r0 : 00000026 # [ 81.319125] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 81.328427] Control: 10c5387d Table: 1685004a DAC: 00000051 # [ 81.336256] Process cat (pid: 2342, stack limit = 0xb4f8d7df) # [ 81.344257] Stack: (0xc6961e50 to 0xc6962000) # [ 81.350699] 1e40: 00000027 c6bff000 c6961e74 c6961e68 # [ 81.361218] 1e60: c0c57914 c13c814c c6961e9c c6961e78 c0c57e14 c0c578f4 c0c57cf4 c58e7680 # [ 81.371650] 1e80: b6e38000 0000000c c307a6c0 c6961f60 c6961ec4 c6961ea0 c07e1b90 c0c57d00 # [ 81.382082] 1ea0: 00000000 c58e7680 b6e38000 c2815800 c6961f60 c07e1b2c c6961f5c c6961ec8 # [ 81.392514] 1ec0: c059ba7c c07e1b38 00000001 00000000 c059c028 c13dd478 c059c028 c6960000 # [ 81.402945] 1ee0: b6e38000 00020000 00000004 0000000c 0001fff4 c6961ee0 00000001 b6e37000 # [ 81.413289] 1f00: c4726c80 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 81.423722] 1f20: 00000000 00000000 c13dd478 7567ac59 c206c120 c58e7680 c58e7680 c6960000 # [ 81.434242] 1f40: b6e38000 00000000 00000000 00000004 c6961f94 c6961f60 c059c028 c059b97c # [ 81.444759] 1f60: 00000000 00000000 c6961fac 7567ac59 0000000c 0000000c b6f7fe00 00000004 # [ 81.455105] 1f80: c03002e4 c6960000 c6961fa4 c6961f98 c059c0b8 c059bfc0 00000000 c6961fa8 # [ 81.465538] 1fa0: c03000c0 c059c0ac 0000000c 0000000c 00000001 b6e38000 0000000c 00000000 # [ 81.475968] 1fc0: 0000000c 0000000c b6f7fe00 00000004 00000001 00000000 00020000 befb5ac4 # [ 81.486402] 1fe0: 00000004 befb57f8 b6ee9d8f b6e707e6 800e0030 00000001 00000000 00000000 # [ 81.496913] Backtrace: # [ 81.501544] [] (lkdtm_ACCESS_NULL) from [] (lkdtm_do_action+0x2c/0x4c) # [ 81.512746] r5:c6bff000 r4:00000027 # [ 81.518494] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 81.528931] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 81.539616] r9:c6961f60 r8:c307a6c0 r7:0000000c r6:b6e38000 r5:c58e7680 r4:c0c57cf4 # [ 81.549535] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 81.560133] r9:c07e1b2c<6>[ 82.078192] lkdtm: Performing direct entry WRITE_RO r8:c6961f60 r7:c2815800 r6:b6e38<6>[ 82.085801] lkdtm: attempting bad rodata write at c15ebfa4 000 r5:c58e7680 r4:00000000 # [ <1>[ 82.094329] 8<--- cut here --- 81.570133] [] (vf<[c 0 5 98c20.2180537] pgd = 8d8a85a3 >] (ksys_write+0x74/0xec) # [ <1>[ 82.115341] [c15ebfa4] *pgd=1141941e(bad) 81.578480] r10:00000004 r9:00<00>[ 82.122495] Internal error: Oops: 80d [#12] SMP ARM 0000 r8:00000000 r7:b6e38000 r6:c<4>[ 82.130323] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm phy_generic snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched parallel_display imxdrm imx_ipu_v3 6960000 r5:c58e7680 # [ 81.<54>[ 82.162302] CPU: 3 PID: 2417 Comm: cat Tainted: G D W 5.10.205-cip41 #1 6573] r4:c58e7680 < 4#> [[ 2.172994] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 81.589377] [] (ksys_wri<4>[ 82.181981] PC is at lkdtm_WRITE_RO+0x44/0x50 te) from [] (sys_write<4>[ 82.189457] LR is at __irq_work_queue_local+0x40/0x74 0x18/0x1c) # [ 81.<549>6[7 8 182.197545] pc : [] lr : [] psr: 600e0013 ] r9:c6960000 r<84:>c[0 3 0 0822.206332] sp : c5ac3e50 ip : c5ac3d58 fp : c5ac3e64 4 r7:00000004 r6:f[7 f e 080.213907] r10: 00000009 r9 : c1ad59bc r8 : c15ebd0c r5:0000000c r4:0<040>0[0 0 08c2.221483] r7 : c5ac3f60 r6 : 00000009 r5 : c6cd4000 r4 : c15ebfa4 # [ 81.604796] [<5[9 c 0 82.230363] r3 : 0198b861 r2 : aa55aa55 r1 : ef7c05e0 r0 : c1ad67c0 0>] (sys_write) from [0[0 82.239415] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none c0>] (ret_fast_syscall<+40>x[0 / 82.249244] Control: 10c5387d Table: 16ef804a DAC: 00000051 x28) # [ 81.612630<]0 >E[x c e82.257601] Process cat (pid: 2417, stack limit = 0xb5044904) ption stack(0xc6<906>1[f a 8 8t2.265867] Stack: (0xc5ac3e50 to 0xc5ac4000) 0xc6961ff0) # [ 81.617951<]0 [ 82.272585] 3e40: 00000028 c6cd4000 c5ac3e74 c5ac3e68 1fa0: 000000<00>[ 82.283634] 3e60: c0c57914 c13c7f4c c5ac3e9c c5ac3e78 c0c57e14 c0c578f4 c0c57cf4 c466ea00 0000000c 00000001 b6e38000 00<00>[ 82.294768] 3e80: b6e2f000 00000009 c307a6c0 c5ac3f60 c5ac3ec4 c5ac3ea0 c07e1b90 c0c57d00 000c 00000000 # [ 81.6263<907>[ 82.305903] 3ea0: 00000000 c466ea00 b6e2f000 c2815800 c5ac3f60 c07e1b2c c5ac3f5c c5ac3ec8 1fc0: 0000000c 0000000c b6f7[ 82.328000] 3ee0: b6e2f000 00020000 00000004 00000009 0001fff7 c5ac3ee0 00000001 b6e2e000 020000 befb5ac4 # [ 81.634<804[ 82.339132] 3f00: c6a06780 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1] 1fe0: 00000004 befb57f8 b6e[ 82.350179] 3f20: 00000000 00000000 c13dd478 e38a0f65 c206c120 c466ea00 c466ea00 c5ac2000 d8f b6e707e6 # [ 81.64016<10]>[ 82.361312] 3f40: b6e2f000 00000000 00000000 00000004 c5ac3f94 c5ac3f60 c059c028 c059b97c Code: e30608c0 e34c01ad e1a01<000[ 82.372360] 3f60: 00000000 00000000 c5ac3fac e38a0f65 00000009 00000009 b6f76e00 00000004 4 ebffd3c7 (e5945000) # [ <80>[ 82.383406] 3f80: c03002e4 c5ac2000 c5ac3fa4 c5ac3f98 c059c0b8 c059bfc0 00000000 c5ac3fa8 .646589] ---[ end trace 6cad1<10b[ 82.394539] 3fa0: c03000c0 c059c0ac 00000009 00000009 00000001 b6e2f000 00000009 00000000 2953b10c9 ]--- # ACCESS_NULL<:0 [ 82.405586] 3fc0: 00000009 00000009 b6f76e00 00000004 00000001 00000000 00020000 beef6ac4 missing 'call trace:': [FAIL<]0 >[ 82.416632] 3fe0: 00000004 beef67f8 b6ee0d8f b6e677e6 800e0030 00000001 00000000 00000000 not ok 38 selftests: lkdt [A 82.427667] Backtrace: CCESS_NULL.sh # exit=1 # selftes<0>[ 82.432837] [] (lkdtm_WRITE_RO) from [] (lkdtm_do_action+0x2c/0x4c) ts: lkdtm: WRITE_RO.sh < 0>[ 82.443953] r5:c6cd4000 r4:00000028 <0>[ 82.449889] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 82.458196] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 82.466404] r9:c5ac3f60 r8:c307a6c0 r7:00000009 r6:b6e2f000 r5:c466ea00 r4:c0c57cf4 <0>[ 82.474452] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 82.482573] r9:c07e1b2c r8:c5ac3f60 r7:c2815800 r6:b6e2f000 r5:c466ea00 r4:00000000 <0>[ 82.490610] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 82.498036] r10:00000004 r9:00000000 r8:00000000 r7:b6e2f000 r6:c5ac2000 r5:c466ea00 <0>[ 82.506145] r4:c466ea00 <0>[ 82.508974] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 82.516400] r9:c5ac2000 r8:c03002e4 r7:00000004 r6:b6f76e00 r5:00000009 r4:00000009 <0>[ 82.524440] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 82.532290] Exception stack(0xc5ac3fa8 to 0xc5ac3ff0) <0>[ 82.537630] 3fa0: 00000009 00000009 00000001 b6e2f000 00000009 00000000 <0>[ 82.546097] 3fc0: 00000009 00000009 b6f76e00 00000004 00000001 00000000 00020000 beef6ac4 <0>[ 82.554559] 3fe0: 00000004 beef67f8 b6ee0d8f b6e677e6 <0>[ 82.559903] Code: e34a3bcd e30607c0 e34c01ad e0233002 (e5843000) <4>[ 82.566289] ---[ end trace 6cad11b2953b10ca ]--- # Segmentation fault # [ 82.078192] lkdtm: Performing direct entry WRITE_RO # [ 82.085801] lkdtm: attempting bad rodata write at c15ebfa4 # [ 82.094329] 8<--- cut here --- # [ 82.100446] Unable to handle kernel paging request at virtual address c15ebfa4 # [ 82.110537] pgd = 8d8a85a3 # [ 82.115341] [c15ebfa4] *pgd=1141941e(bad) # [ 82.122495] Internal error: Oops: 80d [#12] SMP ARM # [ 82.130323] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm phy_generic snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched parallel_display imxdrm imx_ipu_v3 # [ 82.162302] CPU: 3 PID: 2417 Comm: cat Tainted: G D W 5.10.205-cip41 #1 # [ 82.172994] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 82.181981] PC is at lkdtm_WRITE_RO+0x44/0x50 # [ 82.189457] LR is at __irq_work_queue_local+0x40/0x74 # [ 82.197545] pc : [] lr : [] psr: 600e0013 # [ 82.206332] sp : c5ac3e50 ip : c5ac3d58 fp : c5ac3e64 # [ 82.213907] r10: 00000009 r9 : c1ad59bc r8 : c15ebd0c # [ 82.221483] r7 : c5ac3f60 r6 : 00000009 r5 : c6cd4000 r4 : c15ebfa4 # [ 82.230363] r3 : 0198b861 r2 : aa55aa55 r1 : ef7c05e0 r0 : c1ad67c0 # [ 82.239415] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 82.249244] Control: 10c5387d Table: 16ef804a DAC: 00000051 # [ 82.257601] Process cat (pid: 2417, stack limit = 0xb5044904) # [ 82.265867] Stack: (0xc5ac3e50 to 0xc5ac4000) # [ 82.272585] 3e40: 00000028 c6cd4000 c5ac3e74 c5ac3e68 # [ 82.283634] 3e60: c0c57914 c13c7f4c c5ac3e9c c5ac3e78 c0c57e14 c0c578f4 c0c57cf4 c466ea00 # [ 82.294768] 3e80: b6e2f000 00000009 c307a6c0 c5ac3f60 c5ac3ec4 c5ac3ea0 c07e1b90 c0c57d00 # [ 82.305903] 3ea0: 00000000 c466ea00 b6e2f000 c2815800 c5ac3f60 c07e1b2c c5ac3f5c c5ac3ec8 # [ 82.316950] 3ec0: c059ba7c c07e1b38 00000001 00000000 c059c028 c13dd478 c059c028 c5ac2000 # [ 82.328000] 3ee0: b6e2f000 00020000 00000004 00000009 0001fff7 c5ac3ee0 00000001 b6e2e000 # [ 82.339132] 3f00: c6a06780 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 82.350179] 3f20: 00000000 00000000 c13dd478 e38a0f65 c206c120 c466ea00 c466ea00 c5ac2000 # [ 82.361312] 3f40: b6e2f000 00000000 00000000 00000004 c5ac3f94 c5ac3f60 c059c028 c059b97c # [ 82.372360] 3f60: 00000000 00000000 c5ac3fac e38a0f65 00000009 00000009 b6f76e00 00000004 # [ 82.383406] 3f80: c03002e4 c5ac2000 c5ac3fa4 c5ac3f98 c059c0b8 c059bfc0 00000000 c5ac3fa8 # [ 82.394539] 3fa0: c03000c0 c059c0ac 00000009 00000009 00000001 b6e2f000 00000009 00000000 # [ 82.405586] 3fc0: 00000009 00000009 b6f76e00 00000004 00000001 00000000 00020000 beef6ac4 # [ 82.416632] 3fe0: 00000004 beef67f8 b6ee0d8f b6e677e6 800e0030 00000001 00000000 00000000 # [ 82.427667] Backtrace: # [ 82.432837] [] (lkdtm_WRITE_RO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 82.443953] r5:c6cd4000 r4:00000028 # [ 82.449889] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 82.458196] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 82.466404] r9:c5ac3f60 r8:c307a6c0 r7:00000009 r6:b6e2f000 r5:c466ea00 r4:c0c57cf4 # [ 82.474452] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 82.482573] r9:c07e1b2c r8:c5ac3f60 r7:c2815800 r6:b6e2f000 r5:c466ea00 r4:00000000 # [ 82.490610] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 82.498036] r10:00000004 r9:00000000 r8:00000000 r7:b6e2f000 r6:c5ac2000 r5:c46<6>[ 83.015782] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT 6ea00 # [ 82.506145] r4:c466e<6>[ 83.022569] lkdtm: attempting bad ro_after_init write at c1b88c60 a00 # [ 82.508974] [<1>[ 83.031681] 8<--- cut here --- ] (ksys_write) from <[1<>c[0 5 9 83.037791] Unable to handle kernel paging request at virtual address c1b88c60 0b8>] (sys_write+0x18/0x1c) < 1#>[ 83.047543] pgd = 8d8a85a3 [ 82.516400] r9:c5ac2000 r8:c0<1>[ 83.053114] [c1b88c60] *pgd=11a1941e(bad) 3002e4 r7:00000004 r6:b6f76e00 r5<0>[ 83.060255] Internal error: Oops: 80d [#13] SMP ARM :00000009 r4:00000009 # [ 82.5<4>[ 83.068250] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm phy_generic snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched parallel_display imxdrm imx_ipu_v3 24440] [] (sys_write) f<4>[ 83.100221] CPU: 1 PID: 2492 Comm: cat Tainted: G D W 5.10.205-cip41 #1 rom [] (ret_fast_sys[ 83.111076] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) ll+0x0/0x28) # [ 82.532290] Ex<4>[ 83.120576] PC is at lkdtm_WRITE_RO_AFTER_INIT+0x64/0x70 ception stack(0xc5ac3fa8 to 0xc5a<4>[ 83.128998] LR is at __irq_work_queue_local+0x40/0x74 c3ff0) # [ 82.537630] 3fa0:< 4>[ 83.137168] pc : [] lr : [] psr: 600e0013 00000009 <040>0[ 83.146382] sp : c476fe50 ip : c476fd58 fp : c476fe64 0009 00000001 b6e2f000 00000<040>[ 83.154383] r10: 00000014 r9 : c1ad59c8 r8 : c15ebd0c 00000000 # [ 82.546097<]4 >3[ 83.162472] r7 : c476ff60 r6 : 00000014 r5 : c5d58000 r4 : c1b88c60 c0: 00000009 00000009 b6f76e<040>[ 83.171777] r3 : fe67479e r2 : 55aa55aa r1 : ef7965e0 r0 : c1ad67c0 00000004 00000001 00000000 000<24>[ 83.181168] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none 000 beef6ac4 # [ 82.554559]< 4>[ 83.191254] Control: 10c5387d Table: 16ef804a DAC: 00000051 fe0: 00000004 beef67f8 b6ee0d8[ 83.199947] Process cat (pid: 2492, stack limit = 0xcc2b3b99) b6e677e6 # [ 82.559903] Co[ 83.215870] fe40: 00000029 c5d58000 c476fe74 c476fe68 3002 (e5843000) # [ 82.566289<0>[ 83.227171] fe60: c0c57914 c13c7f9c c476fe9c c476fe78 c0c57e14 c0c578f4 c0c57cf4 c4727400 ] ---[ end trace 6cad11b2953b10ca<0>[ 83.238471] fe80: b6e71000 00000014 c307a6c0 c476ff60 c476fec4 c476fea0 c07e1b90 c0c57d00 ]--- # WRITE_RO: missing 'call <0>[ 83.249772] fea0: 00000000 c4727400 b6e71000 c2815800 c476ff60 c07e1b2c c476ff5c c476fec8 trace:': [FAIL] not ok 39 selfte<0>[ 83.261071] fec0: c059ba7c c07e1b38 00000001 00000000 c059c028 c13dd478 c059c028 c476e000 sts: lkdtm: WRITE_RO.sh # exit=1 <0>[ 83.272371] fee0: b6e71000 00020000 00000004 00000014 0001ffec c476fee0 00000001 b6e70000 # selftests: lkdtm: WRITE_RO_AFT<0>[ 83.283669] ff00: c58eadc0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ER_INIT.sh <0>[ 83.294971] ff20: 00000000 00000000 c13dd478 68059555 c206c120 c4727400 c4727400 c476e000 <0>[ 83.304447] ff40: b6e71000 00000000 00000000 00000004 c476ff94 c476ff60 c059c028 c059b97c <0>[ 83.312915] ff60: 00000000 00000000 c476ffac 68059555 00000014 00000014 b6fb8e00 00000004 <0>[ 83.321382] ff80: c03002e4 c476e000 c476ffa4 c476ff98 c059c0b8 c059bfc0 00000000 c476ffa8 <0>[ 83.329848] ffa0: c03000c0 c059c0ac 00000014 00000014 00000001 b6e71000 00000014 00000000 <0>[ 83.338316] ffc0: 00000014 00000014 b6fb8e00 00000004 00000001 00000000 00020000 beb94ac4 <0>[ 83.346783] ffe0: 00000004 beb947f8 b6f22d8f b6ea97e6 800e0030 00000001 00000000 00000000 <0>[ 83.355238] Backtrace: <0>[ 83.358006] [] (lkdtm_WRITE_RO_AFTER_INIT) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 83.367251] r5:c5d58000 r4:00000029 <0>[ 83.371125] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 83.379433] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 83.387643] r9:c476ff60 r8:c307a6c0 r7:00000014 r6:b6e71000 r5:c4727400 r4:c0c57cf4 <0>[ 83.395693] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 83.403816] r9:c07e1b2c r8:c476ff60 r7:c2815800 r6:b6e71000 r5:c4727400 r4:00000000 <0>[ 83.411853] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 83.419279] r10:00000004 r9:00000000 r8:00000000 r7:b6e71000 r6:c476e000 r5:c4727400 <0>[ 83.427390] r4:c4727400 <0>[ 83.430219] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 83.437645] r9:c476e000 r8:c03002e4 r7:00000004 r6:b6fb8e00 r5:00000014 r4:00000014 <0>[ 83.445687] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 83.453537] Exception stack(0xc476ffa8 to 0xc476fff0) <0>[ 83.458877] ffa0: 00000014 00000014 00000001 b6e71000 00000014 00000000 <0>[ 83.467344] ffc0: 00000014 00000014 b6fb8e00 00000004 00000001 00000000 00020000 beb94ac4 <0>[ 83.475808] ffe0: 00000004 beb947f8 b6f22d8f b6ea97e6 <0>[ 83.481153] Code: e34a3bcd e30607c0 e34c01ad e0233002 (e5843000) <4>[ 83.487540] ---[ end trace 6cad11b2953b10cb ]--- # Segmentation fault # [ 83.015782] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT # [ 83.022569] lkdtm: attempting bad ro_after_init write at c1b88c60 # [ 83.031681] 8<--- cut here --- # [ 83.037791] Unable to handle kernel paging request at virtual address c1b88c60 # [ 83.047543] pgd = 8d8a85a3 # [ 83.053114] [c1b88c60] *pgd=11a1941e(bad) # [ 83.060255] Internal error: Oops: 80d [#13] SMP ARM # [ 83.068250] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm phy_generic snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched parallel_display imxdrm imx_ipu_v3 # [ 83.100221] CPU: 1 PID: 2492 Comm: cat Tainted: G D W 5.10.205-cip41 #1 # [ 83.111076] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 83.120576] PC is at lkdtm_WRITE_RO_AFTER_INIT+0x64/0x70 # [ 83.128998] LR is at __irq_work_queue_local+0x40/0x74 # [ 83.137168] pc : [] lr : [] psr: 600e0013 # [ 83.146382] sp : c476fe50 ip : c476fd58 fp : c476fe64 # [ 83.154383] r10: 00000014 r9 : c1ad59c8 r8 : c15ebd0c # [ 83.162472] r7 : c476ff60 r6 : 00000014 r5 : c5d58000 r4 : c1b88c60 # [ 83.171777] r3 : fe67479e r2 : 55aa55aa r1 : ef7965e0 r0 : c1ad67c0 # [ 83.181168] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 83.191254] Control: 10c5387d Table: 16ef804a DAC: 00000051 # [ 83.199947] Process cat (pid: 2492, stack limit = 0xcc2b3b99) # [ 83.208643] Stack: (0xc476fe50 to 0xc4770000) # [ 83.215870] fe40: 00000029 c5d58000 c476fe74 c476fe68 # [ 83.227171] fe60: c0c57914 c13c7f9c c476fe9c c476fe78 c0c57e14 c0c578f4 c0c57cf4 c4727400 # [ 83.238471] fe80: b6e71000 00000014 c307a6c0 c476ff60 c476fec4 c476fea0 c07e1b90 c0c57d00 # [ 83.249772] fea0: 00000000 c4727400 b6e71000 c2815800 c476ff60 c07e1b2c c476ff5c c476fec8 # [ 83.261071] fec0: c059ba7c c07e1b38 00000001 00000000 c059c028 c13dd478 c059c028 c476e000 # [ 83.272371] fee0: b6e71000 00020000 00000004 00000014 0001ffec c476fee0 00000001 b6e70000 # [ 83.283669] ff00: c58eadc0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 83.294971] ff20: 00000000 00000000 c13dd478 68059555 c206c120 c4727400 c4727400 c476e000 # [ 83.304447] ff40: b6e71000 00000000 00000000 00000004 c476ff94 c476ff60 c059c028 c059b97c # [ 83.312915] ff60: 00000000 00000000 c476ffac 68059555 00000014 00000014 b6fb8e00 00000004 # [ 83.321382] ff80: c03002e4 c476e000 c476ffa4 c476ff98 c059c0b8 c059bfc0 00000000 c476ffa8 # [ 83.329848] ffa0: c03000c0 c059c0ac 00000014 00000014 00000001 b6e71000 00000014 00000000 # [ 83.338316] ffc0: 00000014 00000014 b6fb8e00 00000004 00000001 00000000 00020000 beb94ac4 # [ 83.346783] ffe0: 00000004 beb947f8 b6f22d8f b6ea97e6 800e0030 00000001 00000000 00000000 # [ 83.355238] Backtrace: # [ 83.358006] [] (lkdtm_WRITE_RO_AFTER_INIT) from [] (lkdtm_do_action+0x2c/0x4c) # [ 83.367251] r5:c5d58000 r4:00000029 # [ 83.371125] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 83.379433] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 83.387643] r9:c476ff60 r8:c307a6c0 r7:00000014 r6:b6e71000 r5:c4727400 r4:c0c57cf4 # [ 83.395693] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 83.403816] r9:c07e1b2c r8:c476ff60 r7:c2815800 r6:b6e71000 r5:c4727400 r4:00000000 # [ 83.411853] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 83.419279] r10:00000004 r9:00000000 r8:00000000 r7:b6e71000 r6:c476e000 r5:c4727400 # [ 83.427390] r4:c472<6>[ 83.992467] lkdtm: Performing direct entry WRITE_KERN 7400 # [ 83.430<261>9[] [ <83.999206] lkdtm: attempting bad 7796708 byte write at c13c7e68 059bfb4>] (ksys_write) from [[ 84.007854] 8<--- cut here --- 9c0b8>] (sys_i[t e + 08x41.813831] Unable to handle kernel paging request at virtual address c13c7e68 /0x1c) # [ 83<.14>3[7 6 4 58]4.023227] pgd = 5c22f4e4 r9:c476e000 r8:c03002e4 r7:000<0>[ 84.028276] [c13c7e68] *pgd=1121940e(bad) 0004 r6:b6fb8e00 r5:<000>0[0 0 0 84.035242] Internal error: Oops: 80d [#14] SMP ARM 4 r4:00000014 # [ 83.445687] [<4>[ 84.042635] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm phy_generic snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched parallel_display imxdrm imx_ipu_v3 ] (sys_write)< 4f>[r o 84.074601] CPU: 3 PID: 2567 Comm: cat Tainted: G D W 5.10.205-cip41 #1 [c[0 > ] 8(4r.e0t8_4f41] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) ast_syscall+0x0/0x28) # [< 4 > [ 84.093390] PC is at memcpy+0x50/0x330 3.453537] Exct[i o n 8s4t.a99909] LR is at 0xe92dd830 ck(0xc476ffa8 t0[x c 48746.105222] pc : [] lr : [] psr: 200e0013 ff0) # [ < 48>3[. 4 5 88847.71]3743] sp : c5a07e2c ip : e1a0c00d fp : c5a07e64 ffa0: < 4 > [ 8 4 . 1 2 1049] r10: 0000000b r9 : c1ad59dc r8 : e89da800 00000014 <040>0[0 0 08144. 128273] r7 : e8bd4000 r6 : e52de004 r5 : e24cb004 r4 : e92dd800 0000001 b6e<741>0[0 0 08040.0106969] r3 : e1a0c00d r2 : 0076f744 r1 : c0c586a4 r0 : c13c7e68 014 00000000 <#4 >[[ 8834..145581] Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none 67344] ffc0:<4 >0[0 0 0 08041.41 4971] Control: 10c5387d Table: 16d8404a DAC: 00000051 00000014 b68[e 0 0 8040.0102799] Process cat (pid: 2567, stack limit = 0xb73f8cd3) 0004 000000<001> [0 0 0 08040.0100629] Stack: (0xc5a07e2c to 0xc5a08000) 00020000 beb94ac4 # <[0 > [ 8 84.177076] 7e20: c0c58684 0076f7e4 c5a07f60 c15ebd0c c13c7e68 .475808] ffe0: 0<000>0[0 0 0 48 4.187853] 7e40: c13c7e68 c13c804c 0000002a c6cd4000 0000000b c5a07f60 c5a07e74 c5a07e68 eb947f8 b6f22d8f b69[7 e 6 4.198374] 7e60: c0c57914 c13c800c c5a07e9c c5a07e78 c0c57e14 c0c578f4 c0c57cf4 c466fb80 # [ 83.481153] d[e : e84.208980] 7e80: b6e2f000 0000000b c307a6c0 c5a07f60 c5a07ec4 c5a07ea0 c07e1b90 c0c57d00 4a3bcd e30607c0 e3<40c>0[1 a d 84.219587] 7ea0: 00000000 c466fb80 b6e2f000 c2815800 c5a07f60 c07e1b2c c5a07f5c c5a07ec8 0233002 (e5843000)< 0 > [# [ 84.230193] 7ec0: c059ba7c c07e1b38 00000001 00000000 c059c028 c13dd478 c059c028 c5a06000 83.487540] ---[< 0e>n[d t r8a4.240800] 7ee0: b6e2f000 00020000 00000004 0000000b 0001fff5 c5a07ee0 00000001 b6e2e000 e 6cad11b2953b10 [] - - -8 4.251318] 7f00: c6ad0140 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # WRITE_RO_AFTER_I[T : m8i.261840] 7f20: 00000000 00000000 c13dd478 7568ed48 c206c120 c466fb80 c466fb80 c5a06000 ssing 'call trac'[: [ F8A4.272359] 7f40: b6e2f000 00000000 00000000 00000004 c5a07f94 c5a07f60 c059c028 c059b97c L] not ok 40 selfs[t s : 84.282880] 7f60: 00000000 00000000 c5a07fac 7568ed48 0000000b 0000000b b6f76e00 00000004 kdtm: WRITE_RO_AE[R _ I N8I4.293487] 7f80: c03002e4 c5a06000 c5a07fa4 c5a07f98 c059c0b8 c059bfc0 00000000 c5a07fa8 .sh # exit=1 # set[e s t s84.304008] 7fa0: c03000c0 c059c0ac 0000000b 0000000b 00000001 b6e2f000 0000000b 00000000 lkdtm: WRITE_KERs[h 84.314614] 7fc0: 0000000b 0000000b b6f76e00 00000004 00000001 00000000 00020000 bef08ac4 <0>[ 84.325048] 7fe0: 00000004 bef087f8 b6ee0d8f b6e677e6 800e0030 00000001 00000000 00000000 <0>[ 84.333489] Backtrace: <0>[ 84.336229] [] (lkdtm_WRITE_KERN) from [] (lkdtm_do_action+0x2c/0x4c) <0>[ 84.344680] r7:c5a07f60 r6:0000000b r5:c6cd4000 r4:0000002a <0>[ 84.350614] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <0>[ 84.358899] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <0>[ 84.367087] r9:c5a07f60 r8:c307a6c0 r7:0000000b r6:b6e2f000 r5:c466fb80 r4:c0c57cf4 <0>[ 84.375111] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <0>[ 84.383213] r9:c07e1b2c r8:c5a07f60 r7:c2815800 r6:b6e2f000 r5:c466fb80 r4:00000000 <0>[ 84.391229] [] (vfs_write) from [] (ksys_write+0x74/0xec) <0>[ 84.398638] r10:00000004 r9:00000000 r8:00000000 r7:b6e2f000 r6:c5a06000 r5:c466fb80 <0>[ 84.406734] r4:c466fb80 <0>[ 84.409540] [] (ksys_write) from [] (sys_write+0x18/0x1c) <0>[ 84.416947] r9:c5a06000 r8:c03002e4 r7:00000004 r6:b6f76e00 r5:0000000b r4:0000000b <0>[ 84.424966] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <0>[ 84.432803] Exception stack(0xc5a07fa8 to 0xc5a07ff0) <0>[ 84.438126] 7fa0: 0000000b 0000000b 00000001 b6e2f000 0000000b 00000000 <0>[ 84.446576] 7fc0: 0000000b 0000000b b6f76e00 00000004 00000001 00000000 00020000 bef08ac4 <0>[ 84.455023] 7fe0: 00000004 bef087f8 b6ee0d8f b6e677e6 <0>[ 84.460348] Code: f5d1f05c f5d1f07c e8b151f8 e2522020 (e8a051f8) <4>[ 84.466717] ---[ end trace 6cad11b2953b10cc ]--- # Segmentation fault # [ 83.992467] lkdtm: Performing direct entry WRITE_KERN # [ 83.999206] lkdtm: attempting bad 7796708 byte write at c13c7e68 # [ 84.007854] 8<--- cut here --- # [ 84.013831] Unable to handle kernel paging request at virtual address c13c7e68 # [ 84.023227] pgd = 5c22f4e4 # [ 84.028276] [c13c7e68] *pgd=1121940e(bad) # [ 84.035242] Internal error: Oops: 80d [#14] SMP ARM # [ 84.042635] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm phy_generic snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched parallel_display imxdrm imx_ipu_v3 # [ 84.074601] CPU: 3 PID: 2567 Comm: cat Tainted: G D W 5.10.205-cip41 #1 # [ 84.084941] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 84.093390] PC is at memcpy+0x50/0x330 # [ 84.099909] LR is at 0xe92dd830 # [ 84.105222] pc : [] lr : [] psr: 200e0013 # [ 84.113743] sp : c5a07e2c ip : e1a0c00d fp : c5a07e64 # [ 84.121049] r10: 0000000b r9 : c1ad59dc r8 : e89da800 # [ 84.128273] r7 : e8bd4000 r6 : e52de004 r5 : e24cb004 r4 : e92dd800 # [ 84.136969] r3 : e1a0c00d r2 : 0076f744 r1 : c0c586a4 r0 : c13c7e68 # [ 84.145581] Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none # [ 84.154971] Control: 10c5387d Table: 16d8404a DAC: 00000051 # [ 84.162799] Process cat (pid: 2567, stack limit = 0xb73f8cd3) # [ 84.170629] Stack: (0xc5a07e2c to 0xc5a08000) # [ 84.177076] 7e20: c0c58684 0076f7e4 c5a07f60 c15ebd0c c13c7e68 # [ 84.187853] 7e40: c13c7e68 c13c804c 0000002a c6cd4000 0000000b c5a07f60 c5a07e74 c5a07e68 # [ 84.198374] 7e60: c0c57914 c13c800c c5a07e9c c5a07e78 c0c57e14 c0c578f4 c0c57cf4 c466fb80 # [ 84.208980] 7e80: b6e2f000 0000000b c307a6c0 c5a07f60 c5a07ec4 c5a07ea0 c07e1b90 c0c57d00 # [ 84.219587] 7ea0: 00000000 c466fb80 b6e2f000 c2815800 c5a07f60 c07e1b2c c5a07f5c c5a07ec8 # [ 84.230193] 7ec0: c059ba7c c07e1b38 00000001 00000000 c059c028 c13dd478 c059c028 c5a06000 # [ 84.240800] 7ee0: b6e2f000 00020000 00000004 0000000b 0001fff5 c5a07ee0 00000001 b6e2e000 # [ 84.251318] 7f00: c6ad0140 00000000 00000000 00000000 00000000 00000000 00000000 00000000 # [ 84.261840] 7f20: 00000000 00000000 c13dd478 7568ed48 c206c120 c466fb80 c466fb80 c5a06000 # [ 84.272359] 7f40: b6e2f000 00000000 00000000 00000004 c5a07f94 c5a07f60 c059c028 c059b97c # [ 84.282880] 7f60: 00000000 00000000 c5a07fac 7568ed48 0000000b 0000000b b6f76e00 00000004 # [ 84.293487] 7f80: c03002e4 c5a06000 c5a07fa4 c5a07f98 c059c0b8 c059bfc0 00000000 c5a07fa8 # [ 84.304008] 7fa0: c03000c0 c059c0ac 0000000b 0000000b 00000001 b6e2f000 0000000b 00000000 # [ 84.314614] 7fc0: 0000000b 0000000b b6f76e00 00000004 00000001 00000000 00020000 bef08ac4 # [ 84.325048] 7fe0: 00000004 bef087f8 b6ee0d8f b6e677e6 800e0030 00000001 00000000 00000000 # [ 84.333489] Backtrace: # [ 84.336229] [] (lkdtm_WRITE_KERN) from [] (lkdtm_do_action+0x2c/0x4c) # [ 84.344680] r7:c5a07f60 r6:0000000b r5:c6cd4000 r4:0000002a # [ 84.350614] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 84.358899] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 84.367087] r9:c5a07f60 r8:c307a6c0 r7:0000000b r6:b6e2f000 r5:c466fb80 r4:c0c57cf4 # [ 84.375111] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 84.383213] r9:c07e1b2c r8:c5a07f60 r7:c2815800 r6:b6e2f000 r5:c466fb80 r4:00000000 # [ 84.391229] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ <6>[ 84.907358] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW 84.398638] r10:00000004 r9:0000<6>[ 84.914707] lkdtm: attempting good refcount_inc() without overflow 0000 r8:00000000 r7:b6e2f000 r6:c<6>[ 84.923886] lkdtm: attempting bad refcount_inc() overflow 5a06000 r5:c466fb80 # [ 84.406<4>[ 84.932468] ------------[ cut here ]------------ 734] r4:c466fb80 # [ 84.40954<4>[ 84.940143] WARNING: CPU: 3 PID: 2643 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 0] [] (ksys_write) from<4>[ 84.951684] refcount_t: saturated; leaking memory. [] (sys_write+0x18/0x1<4>[ 84.959600] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm phy_generic snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched parallel_display imxdrm imx_ipu_v3 c) # [ 84.416947] r9:c5a06000<4>[ 84.991582] CPU: 3 PID: 2643 Comm: cat Tainted: G D W 5.10.205-cip41 #1 r8:c0300<24e>4[ r 7 :8050.00000409] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) 004 r6:b6f76e00 r5<:40>0[0 0 0 085.010932] Backtrace: b r4:0000000b # [ 84.424966<]4>[ 85.015820] [] (dump_backtrace) from [] (show_stack+0x20/0x24) []< 4(>s[y s _8w5r.i0t6329] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 e) from [<]4 >([r e t _5.034076] [] (show_stack) from [] (dump_stack+0xe0/0x100) fast_syscall+0x0/0x28) # <[4 > [ 85.043817] [] (dump_stack) from [] (__warn+0x98/0x14c) 84.432803] Excei[o n s8t5a053547] r9:00000009 r8:c0875474 r7:00000016 r6:00000009 r5:c0875474 r4:c1a29b24 ck(0xc5a07fa8 to 05[a 0 7 f85.063548] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) 0) # [ 84<.44>3[8 1 2865]. 073454] r7:00000016 r6:c1a29b24 r5:c1a29afc r4:c69f8000 fa0: < 4 > [0 0 0 85.081200] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) 000b 0000000b< 40>0[0 0 0 08051. 92671] r9:c1ad59e8 r8:c15ebd0c r7:c69f9f60 r6:00000016 r5:c6cca000 r4:c69f8000 b6e2f000 0000000b 00000<040>0[ 85.102587] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 84.446576] 7fc0: 00<040>0[0 85.114845] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_OVERFLOW+0x78/0x9c) 0b 0000000b b6f760[ 0 0 080.127617] [] (lkdtm_REFCOUNT_INC_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) 0004 00<040>0[0 0 1 8050.010309082] r4:0000002b 00 00020000 be8[a c 4 8 5#.143529] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) [ 84.455023] 7fe0: 00<040>0[0 0 85.153795] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) 4 bef087f8 b6ed[8 f b865e.164306] r9:c69f9f60 r8:c307a6c0 r7:00000016 r6:b6e6e000 r5:c6ad1e00 r4:c0c57cf4 77e6 # [ 84.460348] Co:[ 85.174313] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) f5d1f05c f5d1f<047>c[ e 8 b8155.184823] r9:c07e1b2c r8:c69f9f60 r7:c2815800 r6:b6e6e000 r5:c6ad1e00 r4:00000000 f8 e2522020 (e8a<045>1[f 8 ) 8 5.194822] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 84.46671<74]> [- - - [8 5e.204299] r10:00000004 r9:00000000 r8:00000000 r7:b6e6e000 r6:c69f8000 r5:c6ad1e00 d trac6[c a d 1815b.2291543378] r4:c6ad1e00 10cc ]--- # WRITE<_4K>E[R N : 85.218827] [] (ksys_write) from [] (sys_write+0x18/0x1c) issing 'call tc[e : ' :8 5[.228388] r9:c69f8000 r8:c03002e4 r7:00000004 r6:b6fb5e00 r5:00000016 r4:00000016 AIL] not ok 41 selftt[s : 85.238391] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) lkdtm: WRI_[K E R 8N5..s2h4 468] Exception stack(0xc69f9fa8 to 0xc69f9ff0) # exit=1 # selfs[t s : 8l5.255518] 9fa0: 00000016 00000016 00000001 b6e6e000 00000016 00000000 dtm: REFCOUNT_C[_ O V E8R5F.266037] 9fc0: 00000016 00000016 b6fb5e00 00000004 00000001 00000000 00020000 beee0ac4 OW.sh <4>[ 85.276468] 9fe0: 00000004 beee07f8 b6f1fd8f b6ea67e6 <4>[ 85.282442] irq event stamp: 0 <4>[ 85.285775] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 85.291651] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 85.299410] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 85.307213] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 85.313088] ---[ end trace 6cad11b2953b10cd ]--- <6>[ 85.317979] lkdtm: Overflow detected: saturated # [ 84.907358] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW # [ 84.914707] lkdtm: attempting good refcount_inc() without overflow # [ 84.923886] lkdtm: attempting bad refcount_inc() overflow # [ 84.932468] ------------[ cut here ]------------ # [ 84.940143] WARNING: CPU: 3 PID: 2643 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 84.951684] refcount_t: saturated; leaking memory. # [ 84.959600] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm phy_generic snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched parallel_display imxdrm imx_ipu_v3 # [ 84.991582] CPU: 3 PID: 2643 Comm: cat Tainted: G D W 5.10.205-cip41 #1 # [ 85.002409] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 85.010932] Backtrace: # [ 85.015820] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 85.026329] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 85.034076] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 85.043817] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 85.053547] r9:00000009 r8:c0875474 r7:00000016 r6:00000009 r5:c0875474 r4:c1a29b24 # [ 85.063548] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 85.073454] r7:00000016 r6:c1a29b24 r5:c1a29afc r4:c69f8000 # [ 85.081200] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 85.092671] r9:c1ad59e8 r8:c15ebd0c r7:c69f9f60 r6:00000016 r5:c6cca000 r4:c69f8000 # [ 85.102587] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 85.114845] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_OVERFLOW+0x78/0x9c) # [ 85.127617] [] (lkdtm_REFCOUNT_INC_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 85.139082] r4:0000002b # [ 85.143529] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 85.153795] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 85.164306] r9:c69f9f60 r8:c307a6c0 r7:00000016 r6:b6e6e000 r5:c6ad1e00 r4:c0c57cf4 # [ 85.174313] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 85.184823] r9:c07e1b2c r8:c69f9f60 r7:c2815800 r6:b6e6e000 r5:c6ad1e00 r4:00000000 # [ 85.194822] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 85.204299] r10:00000004 r9:00000000 r8:00000000 r7:b6e6e000 r6:c69f8000 r5:c6ad1e00 # [ 85.214378] r4:c6ad1e00 # [ 85.218827] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 85.228388] r9:c69f8000 r8:c03002e4 r7:00000004 r6:b6fb5e00 r5:00000016 r4:00000016 # [ 85.238391] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 85.248468] Exception stack(0xc69f9fa8 to 0xc69f9ff0) # [ 85.255518] 9fa0: 00000016 00000016 00000001 b6e6e000 00000016 00000000 # [ 85.266037] 9fc0: 00000016 00000016 b6fb5e00 00000004 00000001 00000000 00020000 beee0ac4 # [ 85.276468] 9fe0: 00000004 beee07f8 b6f1fd8f b6ea67e6 # [ 85.282442] irq event stamp: 0 # [ 85.285775] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 85.291651] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 85.299410] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 85.307213] softirqs last disabled at (0): [<00000000>] 0x0 # [ 85.3<6>[ 85.730379] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW 13088] ---[ ent[r a c e8 56.737115] lkdtm: attempting good refcount_add() without overflow ad11b2953b10cd ]--- # [ 85.317<6>[ 85.745686] lkdtm: attempting bad refcount_add() overflow 979] lkdtm: Overflow detected: sa<4>[ 85.754135] ------------[ cut here ]------------ turated # REFCOUNT_INC_OVERFLOW:<4>[ 85.761941] WARNING: CPU: 1 PID: 2678 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 missing 'call trace:': [FAIL] n<4>[ 85.773424] refcount_t: saturated; leaking memory. ot ok 42 selftests: lkdtm: REFCOU<4>[ 85.781344] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm phy_generic snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched parallel_display imxdrm imx_ipu_v3 NT_INC_OVERFLOW.sh # exit=1 # se<4>[ 85.813302] CPU: 1 PID: 2678 Comm: cat Tainted: G D W 5.10.205-cip41 #1 lftests: lkm[: R E8F5C.O8U4130] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) NT_ADD_OVERFLOs[h 85.832737] Backtrace: <4>[ 85.837190] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 85.845030] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 <4>[ 85.850959] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 85.858544] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 85.865775] r9:00000009 r8:c0875474 r7:00000016 r6:00000009 r5:c0875474 r4:c1a29b24 <4>[ 85.873787] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 85.881538] r7:00000016 r6:c1a29b24 r5:c1a29afc r4:c58aa000 <4>[ 85.887469] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) <4>[ 85.896695] r9:c1ad5a00 r8:c15ebd0c r7:c58abf60 r6:00000016 r5:c6b53000 r4:c58aa000 <4>[ 85.904714] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) <4>[ 85.914642] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_OVERFLOW+0x84/0xa8) <4>[ 85.925000] [] (lkdtm_REFCOUNT_ADD_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 85.934396] r4:0000002c <4>[ 85.937201] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 85.945480] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 85.953665] r9:c58abf60 r8:c307a6c0 r7:00000016 r6:b6e83000 r5:c58e68c0 r4:c0c57cf4 <4>[ 85.961685] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 85.969783] r9:c07e1b2c r8:c58abf60 r7:c2815800 r6:b6e83000 r5:c58e68c0 r4:00000000 <4>[ 85.977795] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 85.985197] r10:00000004 r9:00000000 r8:00000000 r7:b6e83000 r6:c58aa000 r5:c58e68c0 <4>[ 85.993290] r4:c58e68c0 <4>[ 85.996094] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 86.003498] r9:c58aa000 r8:c03002e4 r7:00000004 r6:b6fcae00 r5:00000016 r4:00000016 <4>[ 86.011512] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 86.019347] Exception stack(0xc58abfa8 to 0xc58abff0) <4>[ 86.024668] bfa0: 00000016 00000016 00000001 b6e83000 00000016 00000000 <4>[ 86.033114] bfc0: 00000016 00000016 b6fcae00 00000004 00000001 00000000 00020000 bead3ac4 <4>[ 86.041558] bfe0: 00000004 bead37f8 b6f34d8f b6ebb7e6 <4>[ 86.046931] irq event stamp: 0 <4>[ 86.050284] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 86.056136] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 86.063988] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 86.071783] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 86.077635] ---[ end trace 6cad11b2953b10ce ]--- <6>[ 86.082592] lkdtm: Overflow detected: saturated # [ 85.730379] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW # [ 85.737115] lkdtm: attempting good refcount_add() without overflow # [ 85.745686] lkdtm: attempting bad refcount_add() overflow # [ 85.754135] ------------[ cut here ]------------ # [ 85.761941] WARNING: CPU: 1 PID: 2678 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 85.773424] refcount_t: saturated; leaking memory. # [ 85.781344] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm phy_generic snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched parallel_display imxdrm imx_ipu_v3 # [ 85.813302] CPU: 1 PID: 2678 Comm: cat Tainted: G D W 5.10.205-cip41 #1 # [ 85.824130] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 85.832737] Backtrace: # [ 85.837190] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 85.845030] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 85.850959] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 85.858544] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 85.865775] r9:00000009 r8:c0875474 r7:00000016 r6:00000009 r5:c0875474 r4:c1a29b24 # [ 85.873787] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 85.881538] r7:00000016 r6:c1a29b24 r5:c1a29afc r4:c58aa000 # [ 85.887469] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 85.896695] r9:c1ad5a00 r8:c15ebd0c r7:c58abf60 r6:00000016 r5:c6b53000 r4:c58aa000 # [ 85.904714] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 85.914642] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_OVERFLOW+0x84/0xa8) # [ 85.925000] [] (lkdtm_REFCOUNT_ADD_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 85.934396] r4:0000002c # [ 85.937201] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 85.945480] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 85.953665] r9:c58abf60 r8:c307a6c0 r7:00000016 r6:b6e83000 r5:c58e68c0 r4:c0c57cf4 # [ 85.961685] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 85.969783] r9:c07e1b2c r8:c58abf60 r7:c2815800 r6:b6e83000 r5:c58e68c0 r4:00000000 # [ 85.977795] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 85.985197] r10:00000004 r9:00000000 r8:00000000 r7:b6e83000 r6:c58aa000 r5:c58e68c0 # [ 85.993290] r4:c58e68c0 # [ 85.996094] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 86.003498] r9:c58aa000 r8:c03002e4 r7:00000004 r6:b6fcae00 r5:00000016 r4:00000016 # [ 86.011512] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 86.019347] Exception stack(0xc58abfa8 to 0xc58abff0) # [ 86.024668] bfa0: 00000016 00000016 00000001 b6e83000 00000016 00000000 # [ 86.033114] bfc0: 00000016 00000016 b6fcae00 00000004 00000001 00000000 00020000 bead3ac4 # [ 86.041558] bfe0: 00000004 bead37f8 b6f34d8f b6ebb7e6 # [ 86.046931] irq event stamp: 0 # [ 86.050284] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 86.056136] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 86.063988] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 86.071783] softirqs last disabled at (0<6>[ 86.485203] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW ): [<00000000>] 0x0 # [ 86.077<6>[ 86.493289] lkdtm: attempting bad refcount_inc_not_zero() overflow 635] ---[ end trace 6cad11b2953b1<4>[ 86.502597] ------------[ cut here ]------------ 0ce ]--- # [ 86.082592] lkdtm:<4>[ 86.510343] WARNING: CPU: 3 PID: 2713 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 Overflow detected: saturated # <4>[ 86.521892] refcount_t: saturated; leaking memory. REFCOUNT_ADD_OVERFLOW: missing 'c<4>[ 86.529787] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm phy_generic snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched parallel_display imxdrm imx_ipu_v3 all trace:': [FAIL] not ok 43 se<4>[ 86.561760] CPU: 3 PID: 2713 Comm: cat Tainted: G D W 5.10.205-cip41 #1 lftests: lkd:[ R E F8C6O.U572587] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) T_ADD_OVERFLOW.sh #<4 >e[x i t =86.581281] Backtrace: # selftests: lkdtm: REFCOU[ 86.586167] [] (dump_backtrace) from [] (show_stack+0x20/0x24) INC_NOT_ZERO_E[R F L O8W6..s96591] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 h <4>[ 86.604425] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 86.612254] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 86.619485] r9:00000009 r8:c0875440 r7:00000013 r6:00000009 r5:c0875440 r4:c1a29b24 <4>[ 86.627500] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 86.635250] r7:00000013 r6:c1a29b24 r5:c1a29afc r4:c5a7a000 <4>[ 86.641180] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) <4>[ 86.650406] r9:c1ad5a18 r8:c15ebd0c r7:c5a7bf60 r6:0000001f r5:c6cd4000 r4:7fffffff <4>[ 86.658425] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) <4>[ 86.669132] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x50/0x88) <4>[ 86.681046] r5:c6cd4000 r4:c5a7a000 <4>[ 86.684896] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 86.695073] r4:0000002d <4>[ 86.697875] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 86.706154] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 86.714338] r9:c5a7bf60 r8:c307a6c0 r7:0000001f r6:b6e28000 r5:c69d2b40 r4:c0c57cf4 <4>[ 86.722356] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 86.730455] r9:c07e1b2c r8:c5a7bf60 r7:c2815800 r6:b6e28000 r5:c69d2b40 r4:00000000 <4>[ 86.738467] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 86.745870] r10:00000004 r9:00000000 r8:00000000 r7:b6e28000 r6:c5a7a000 r5:c69d2b40 <4>[ 86.753964] r4:c69d2b40 <4>[ 86.756767] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 86.764171] r9:c5a7a000 r8:c03002e4 r7:00000004 r6:b6f6fe00 r5:0000001f r4:0000001f <4>[ 86.772186] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 86.780021] Exception stack(0xc5a7bfa8 to 0xc5a7bff0) <4>[ 86.785342] bfa0: 0000001f 0000001f 00000001 b6e28000 0000001f 00000000 <4>[ 86.793789] bfc0: 0000001f 0000001f b6f6fe00 00000004 00000001 00000000 00020000 bedb8ac4 <4>[ 86.802232] bfe0: 00000004 bedb87f8 b6ed9d8f b6e607e6 <4>[ 86.807609] irq event stamp: 0 <4>[ 86.810964] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 86.816814] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 86.824628] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 86.832446] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 86.838294] ---[ end trace 6cad11b2953b10cf ]--- <6>[ 86.843219] lkdtm: Overflow detected: saturated # [ 86.485203] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 86.493289] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 86.502597] ------------[ cut here ]------------ # [ 86.510343] WARNING: CPU: 3 PID: 2713 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 86.521892] refcount_t: saturated; leaking memory. # [ 86.529787] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm phy_generic snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched parallel_display imxdrm imx_ipu_v3 # [ 86.561760] CPU: 3 PID: 2713 Comm: cat Tainted: G D W 5.10.205-cip41 #1 # [ 86.572587] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 86.581281] Backtrace: # [ 86.586167] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 86.596591] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 86.604425] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 86.612254] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 86.619485] r9:00000009 r8:c0875440 r7:00000013 r6:00000009 r5:c0875440 r4:c1a29b24 # [ 86.627500] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 86.635250] r7:00000013 r6:c1a29b24 r5:c1a29afc r4:c5a7a000 # [ 86.641180] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 86.650406] r9:c1ad5a18 r8:c15ebd0c r7:c5a7bf60 r6:0000001f r5:c6cd4000 r4:7fffffff # [ 86.658425] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 86.669132] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x50/0x88) # [ 86.681046] r5:c6cd4000 r4:c5a7a000 # [ 86.684896] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 86.695073] r4:0000002d # [ 86.697875] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 86.706154] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 86.714338] r9:c5a7bf60 r8:c307a6c0 r7:0000001f r6:b6e28000 r5:c69d2b40 r4:c0c57cf4 # [ 86.722356] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 86.730455] r9:c07e1b2c r8:c5a7bf60 r7:c2815800 r6:b6e28000 r5:c69d2b40 r4:00000000 # [ 86.738467] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 86.745870] r10:00000004 r9:00000000 r8:00000000 r7:b6e28000 r6:c5a7a000 r5:c69d2b40 # [ 86.753964] r4:c69d2b40 # [ 86.756767] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 86.764171] r9:c5a7a000 r8:c03002e4 r7:00000004 r6:b6f6fe00 r5:0000001f r4:0000001f # [ 86.772186] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 86.780021] Exception stack(0xc5a7bfa8 to 0xc5a7bff0) # [ 86.785342] bfa0: 0000001f 0000001f 00000001 b6e28000 0000001f 00000000 # [ 86.793789] bfc0: 0000001f 0000001f b6f6fe00 00000004 00000001 00000000 00020000 bedb8ac4 # [ 86.802232] bfe0: 00000004 bedb87f8 b6ed9d8f b6e607e6 # [ 86.807609] irq event stamp: 0 # [ 86.810964] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 86.816814] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 86.824628] softirqs last enabled at (0): [] copy_proces<6>[ 87.244283] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW s+0x5f8/0x1dac # [ 86.832446] <6>[ 87.252515] lkdtm: attempting bad refcount_add_not_zero() overflow softirqs last disabled at (0): [<<4>[ 87.261789] ------------[ cut here ]------------ 00000000>] 0x0 # [ 86.838294] <4>[ 87.269467] WARNING: CPU: 3 PID: 2748 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 ---[ end trace 6cad11b2953b10cf ]<4>[ 87.281138] refcount_t: saturated; leaking memory. --- # [ 86.843219] lkdtm: Over<4>[ 87.288942] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm phy_generic snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched parallel_display imxdrm imx_ipu_v3 flow detected: saturated # REFCO<4>[ 87.320950] CPU: 3 PID: 2748 Comm: cat Tainted: G D W 5.10.205-cip41 #1 UNT_INC_NOZ[E R O _8O7V.E3R31771] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) LOW: missing 'cl[ t r a8c7e340382] Backtrace: :': [FAIL] not ok 44 selftes] (dump_backtrace) from [] (show_stack+0x20/0x24) : lkdtm: REFCOU_[I N C _8N7O355522] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 T_ZERO_OVERFLOW.sh # et[= 1 87.363440] [] (show_stack) from [] (dump_stack+0xe0/0x100) # selftests: lkdtm: REFCN[T 87.373353] [] (dump_stack) from [] (__warn+0x98/0x14c) _ADD_NOT_ZERO_OVF[L O W .8s7.382997] r9:00000009 r8:c0875440 r7:00000013 r6:00000009 r5:c0875440 r4:c1a29b24 <4>[ 87.393084] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 87.400994] r7:00000013 r6:c1a29b24 r5:c1a29afc r4:c6806000 <4>[ 87.406927] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) <4>[ 87.416154] r9:c1ad5a38 r8:c15ebd0c r7:c6807f60 r6:0000001f r5:c6cca000 r4:7fffffff <4>[ 87.424172] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) <4>[ 87.434878] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x50/0x88) <4>[ 87.446792] r5:c6cca000 r4:c6806000 <4>[ 87.450643] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 87.460820] r4:0000002e <4>[ 87.463623] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 87.471902] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 87.480086] r9:c6807f60 r8:c307a6c0 r7:0000001f r6:b6dd0000 r5:c69d3b80 r4:c0c57cf4 <4>[ 87.488105] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 87.496203] r9:c07e1b2c r8:c6807f60 r7:c2815800 r6:b6dd0000 r5:c69d3b80 r4:00000000 <4>[ 87.504214] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 87.511617] r10:00000004 r9:00000000 r8:00000000 r7:b6dd0000 r6:c6806000 r5:c69d3b80 <4>[ 87.519711] r4:c69d3b80 <4>[ 87.522516] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 87.529920] r9:c6806000 r8:c03002e4 r7:00000004 r6:b6f17e00 r5:0000001f r4:0000001f <4>[ 87.537937] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 87.545772] Exception stack(0xc6807fa8 to 0xc6807ff0) <4>[ 87.551095] 7fa0: 0000001f 0000001f 00000001 b6dd0000 0000001f 00000000 <4>[ 87.559543] 7fc0: 0000001f 0000001f b6f17e00 00000004 00000001 00000000 00020000 be9e5ac4 <4>[ 87.567986] 7fe0: 00000004 be9e57f8 b6e81d8f b6e087e6 <4>[ 87.573358] irq event stamp: 0 <4>[ 87.576690] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 87.582565] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 87.590371] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 87.598133] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 87.604005] ---[ end trace 6cad11b2953b10d0 ]--- <6>[ 87.608894] lkdtm: Overflow detected: saturated # [ 87.244283] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 87.252515] lkdtm: attempting bad refcount_add_not_zero() overflow # [ 87.261789] ------------[ cut here ]------------ # [ 87.269467] WARNING: CPU: 3 PID: 2748 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 87.281138] refcount_t: saturated; leaking memory. # [ 87.288942] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm phy_generic snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched parallel_display imxdrm imx_ipu_v3 # [ 87.320950] CPU: 3 PID: 2748 Comm: cat Tainted: G D W 5.10.205-cip41 #1 # [ 87.331771] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 87.340382] Backtrace: # [ 87.345097] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 87.355522] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 87.363440] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 87.373353] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 87.382997] r9:00000009 r8:c0875440 r7:00000013 r6:00000009 r5:c0875440 r4:c1a29b24 # [ 87.393084] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 87.400994] r7:00000013 r6:c1a29b24 r5:c1a29afc r4:c6806000 # [ 87.406927] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 87.416154] r9:c1ad5a38 r8:c15ebd0c r7:c6807f60 r6:0000001f r5:c6cca000 r4:7fffffff # [ 87.424172] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 87.434878] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x50/0x88) # [ 87.446792] r5:c6cca000 r4:c6806000 # [ 87.450643] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW) from [] (lkdtm_do_action+0x2c/0x4c) # [ 87.460820] r4:0000002e # [ 87.463623] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 87.471902] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 87.480086] r9:c6807f60 r8:c307a6c0 r7:0000001f r6:b6dd0000 r5:c69d3b80 r4:c0c57cf4 # [ 87.488105] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 87.496203] r9:c07e1b2c r8:c6807f60 r7:c2815800 r6:b6dd0000 r5:c69d3b80 r4:00000000 # [ 87.504214] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 87.511617] r10:00000004 r9:00000000 r8:00000000 r7:b6dd0000 r6:c6806000 r5:c69d3b80 # [ 87.519711] r4:c69d3b80 # [ 87.522516] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 87.529920] r9:c6806000 r8:c03002e4 r7:00000004 r6:b6f17e00 r5:0000001f r4:0000001f # [ 87.537937] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 87.545772] Exception stack(0xc6807fa8 to 0xc6807ff0) # [ 87.551095] 7fa0: 0000001f 0000001f 00000001 b6dd0000 0000001f 00000000 # [ 87.559543] 7fc0: 0000001f 0000001f b6f17e00 00000004 00000001 00000000 00020000 be9e5ac4 # [ 87.567986] 7fe0: 00000004 be9e57f8 b6e81d8f b6e087e6 # [ 87.573358] irq event stamp: 0 # [ 87.576690] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 87.582565] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 87.590371] softirqs last enabl<6>[ 88.012488] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO ed at (0): [] copy_proc<6>[ 88.020763] lkdtm: attempting good refcount_dec() ess+0x5f8/0x1dac # [ 87.598133<6>[ 88.028436] lkdtm: attempting bad refcount_dec() to zero ] softirqs last disabled at (0): <4>[ 88.036918] ------------[ cut here ]------------ [<00000000>] 0x0 # [ 87.604005<4>[ 88.044762] WARNING: CPU: 3 PID: 2783 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 ] ---[ end trace 6cad11b2953b10d0<4>[ 88.056283] refcount_t: decrement hit 0; leaking memory. ]--- # [ 87.608894] lkdtm: Ov<4>[ 88.064650] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm phy_generic snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched parallel_display imxdrm imx_ipu_v3 erflow detected: saturated # REF<4>[ 88.096605] CPU: 3 PID: 2783 Comm: cat Tainted: G D W 5.10.205-cip41 #1 COUNT_ADD_N_[Z E R O8_8O.V1E7434] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) RFLOW: missing 'l[l t r8a8.116043] Backtrace: e:': [FAIL] not ok 45 selfs 88.120846] [] (dump_backtrace) from [] (show_stack+0x20/0x24) ts: lkdtm: REF<4C>O[U N T _8A8D.D31183] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 _NOT_ZERO_OVERFLOW.sh #<4 >e[x i 88.139016] [] (show_stack) from [] (dump_stack+0xe0/0x100) =1 # selftests: lkdtm<:4 >R[E F 88.148926] [] (dump_stack) from [] (__warn+0x98/0x14c) OUNT_DEC_ZERO. [ 88.158485] r9:00000009 r8:c087540c r7:0000001f r6:00000009 r5:c087540c r4:c1a29b24 <4>[ 88.168051] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 88.175800] r7:0000001f r6:c1a29b24 r5:c1a29b88 r4:c5a7a000 <4>[ 88.181733] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) <4>[ 88.190960] r9:c1ad5a58 r8:c15ebd0c r7:c5a7bf60 r6:00000012 r5:c6cd4000 r4:c5a7a000 <4>[ 88.198978] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) <4>[ 88.208903] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_ZERO+0x5c/0xd8) <4>[ 88.218917] [] (lkdtm_REFCOUNT_DEC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 88.227968] r4:0000002f <4>[ 88.230770] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 88.239049] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 88.247234] r9:c5a7bf60 r8:c307a6c0 r7:00000012 r6:b6e9b000 r5:c69bac80 r4:c0c57cf4 <4>[ 88.255254] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 88.263354] r9:c07e1b2c r8:c5a7bf60 r7:c2815800 r6:b6e9b000 r5:c69bac80 r4:00000000 <4>[ 88.271365] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 88.278769] r10:00000004 r9:00000000 r8:00000000 r7:b6e9b000 r6:c5a7a000 r5:c69bac80 <4>[ 88.286862] r4:c69bac80 <4>[ 88.289666] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 88.297072] r9:c5a7a000 r8:c03002e4 r7:00000004 r6:b6fe2e00 r5:00000012 r4:00000012 <4>[ 88.305087] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 88.312923] Exception stack(0xc5a7bfa8 to 0xc5a7bff0) <4>[ 88.318244] bfa0: 00000012 00000012 00000001 b6e9b000 00000012 00000000 <4>[ 88.326690] bfc0: 00000012 00000012 b6fe2e00 00000004 00000001 00000000 00020000 bece4ac4 <4>[ 88.335132] bfe0: 00000004 bece47f8 b6f4cd8f b6ed37e6 <4>[ 88.340511] irq event stamp: 0 <4>[ 88.343845] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 88.349719] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 88.357479] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 88.365286] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 88.371168] ---[ end trace 6cad11b2953b10d1 ]--- <6>[ 88.376061] lkdtm: Zero detected: saturated # [ 88.012488] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO # [ 88.020763] lkdtm: attempting good refcount_dec() # [ 88.028436] lkdtm: attempting bad refcount_dec() to zero # [ 88.036918] ------------[ cut here ]------------ # [ 88.044762] WARNING: CPU: 3 PID: 2783 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 # [ 88.056283] refcount_t: decrement hit 0; leaking memory. # [ 88.064650] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm phy_generic snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched parallel_display imxdrm imx_ipu_v3 # [ 88.096605] CPU: 3 PID: 2783 Comm: cat Tainted: G D W 5.10.205-cip41 #1 # [ 88.107434] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 88.116043] Backtrace: # [ 88.120846] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 88.131183] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 88.139016] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 88.148926] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 88.158485] r9:00000009 r8:c087540c r7:0000001f r6:00000009 r5:c087540c r4:c1a29b24 # [ 88.168051] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 88.175800] r7:0000001f r6:c1a29b24 r5:c1a29b88 r4:c5a7a000 # [ 88.181733] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) # [ 88.190960] r9:c1ad5a58 r8:c15ebd0c r7:c5a7bf60 r6:00000012 r5:c6cd4000 r4:c5a7a000 # [ 88.198978] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) # [ 88.208903] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_ZERO+0x5c/0xd8) # [ 88.218917] [] (lkdtm_REFCOUNT_DEC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 88.227968] r4:0000002f # [ 88.230770] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 88.239049] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 88.247234] r9:c5a7bf60 r8:c307a6c0 r7:00000012 r6:b6e9b000 r5:c69bac80 r4:c0c57cf4 # [ 88.255254] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 88.263354] r9:c07e1b2c r8:c5a7bf60 r7:c2815800 r6:b6e9b000 r5:c69bac80 r4:00000000 # [ 88.271365] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 88.278769] r10:00000004 r9:00000000 r8:00000000 r7:b6e9b000 r6:c5a7a000 r5:c69bac80 # [ 88.286862] r4:c69bac80 # [ 88.289666] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 88.297072] r9:c5a7a000 r8:c03002e4 r7:00000004 r6:b6fe2e00 r5:00000012 r4:00000012 # [ 88.305087] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 88.312923] Exception stack(0xc5a7bfa8 to 0xc5a7bff0) # [ 88.318244] bfa0: 00000012 00000012 00000001 b6e9b000 00000012 00000000 # [ 88.326690] bfc0: 00000012 00000012 b6fe2e00 00000004 00000001 00000000 00020000 bece4ac4 # [ 88.335132] bfe0: 00000004 bece47f8 b6f4cd8f b6ed37e6 # [ 88.340511] irq event stamp: 0 # [ 88.343845] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 88.349719] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 88.357479] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 88.365286] softirqs last disabled at (0): [<00000000>] 0x0 # [ 88.371168] ---[ end trace 6cad11b2953b10d1 ]--- # [ 88.376061] lkdtm: Zero detected: saturate<6>[ 88.792297] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE d # REFCOUNT_DEC_ZERO: missing '<6>[ 88.800182] lkdtm: attempting bad refcount_dec() below zero call trace:': [FAIL] not ok 46 s<4>[ 88.808811] ------------[ cut here ]------------ elftests: lkdtm: REFCOUNT_DEC_ZER<4>[ 88.816615] WARNING: CPU: 0 PID: 2821 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 O.sh # exit=1 # selftests: lkdtm<4>[ 88.828318] refcount_t: decrement hit 0; leaking memory. : REFCOUNT_DEC_NEGATIVE.sh <4>[ 88.836681] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm phy_generic snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched parallel_display imxdrm imx_ipu_v3 <4>[ 88.868217] CPU: 0 PID: 2821 Comm: cat Tainted: G D W 5.10.205-cip41 #1 <4>[ 88.876228] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 88.883020] Backtrace: <4>[ 88.885750] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 88.893589] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 <4>[ 88.899520] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 88.907104] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 88.914335] r9:00000009 r8:c087540c r7:0000001f r6:00000009 r5:c087540c r4:c1a29b24 <4>[ 88.922347] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 88.930097] r7:0000001f r6:c1a29b24 r5:c1a29b88 r4:c69d0000 <4>[ 88.936030] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) <4>[ 88.945257] r9:c1ad5a6c r8:c15ebd0c r7:c69d1f60 r6:00000016 r5:00000000 r4:c69d0000 <4>[ 88.953276] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) <4>[ 88.963201] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_NEGATIVE+0x48/0x70) <4>[ 88.973564] [] (lkdtm_REFCOUNT_DEC_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 88.982961] r5:c690f000 r4:00000030 <4>[ 88.986807] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 88.995085] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 89.003269] r9:c69d1f60 r8:c307a6c0 r7:00000016 r6:b6e91000 r5:c4726640 r4:c0c57cf4 <4>[ 89.011287] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 89.019385] r9:c07e1b2c r8:c69d1f60 r7:c2815800 r6:b6e91000 r5:c4726640 r4:00000000 <4>[ 89.027397] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 89.034802] r10:00000004 r9:00000000 r8:00000000 r7:b6e91000 r6:c69d0000 r5:c4726640 <4>[ 89.042895] r4:c4726640 <4>[ 89.045700] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 89.053103] r9:c69d0000 r8:c03002e4 r7:00000004 r6:b6fd8e00 r5:00000016 r4:00000016 <4>[ 89.061118] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 89.068953] Exception stack(0xc69d1fa8 to 0xc69d1ff0) <4>[ 89.074274] 1fa0: 00000016 00000016 00000001 b6e91000 00000016 00000000 <4>[ 89.082720] 1fc0: 00000016 00000016 b6fd8e00 00000004 00000001 00000000 00020000 bec88ac4 <4>[ 89.091165] 1fe0: 00000004 bec887f8 b6f42d8f b6ec97e6 <4>[ 89.096509] irq event stamp: 0 <4>[ 89.099861] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 89.105713] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 89.113489] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 89.121264] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 89.127107] ---[ end trace 6cad11b2953b10d2 ]--- <6>[ 89.132014] lkdtm: Negative detected: saturated # [ 88.792297] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 88.800182] lkdtm: attempting bad refcount_dec() below zero # [ 88.808811] ------------[ cut here ]------------ # [ 88.816615] WARNING: CPU: 0 PID: 2821 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 # [ 88.828318] refcount_t: decrement hit 0; leaking memory. # [ 88.836681] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm phy_generic snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched parallel_display imxdrm imx_ipu_v3 # [ 88.868217] CPU: 0 PID: 2821 Comm: cat Tainted: G D W 5.10.205-cip41 #1 # [ 88.876228] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 88.883020] Backtrace: # [ 88.885750] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 88.893589] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 88.899520] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 88.907104] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 88.914335] r9:00000009 r8:c087540c r7:0000001f r6:00000009 r5:c087540c r4:c1a29b24 # [ 88.922347] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 88.930097] r7:0000001f r6:c1a29b24 r5:c1a29b88 r4:c69d0000 # [ 88.936030] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) # [ 88.945257] r9:c1ad5a6c r8:c15ebd0c r7:c69d1f60 r6:00000016 r5:00000000 r4:c69d0000 # [ 88.953276] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) # [ 88.963201] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_NEGATIVE+0x48/0x70) # [ 88.973564] [] (lkdtm_REFCOUNT_DEC_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 88.982961] r5:c690f000 r4:00000030 # [ 88.986807] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 88.995085] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 89.003269] r9:c69d1f60 r8:c307a6c0 r7:00000016 r6:b6e91000 r5:c4726640 r4:c0c57cf4 # [ 89.011287] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 89.019385] r9:c07e1b2c r8:c69d1f60 r7:c2815800 r6:b6e91000 r5:c4726640 r4:00000000 # [ 89.027397] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 89.034802] r10:00000004 r9:00000000 r8:00000000 r7:b6e91000 r6:c69d0000 r5:c4726640 # [ 89.042895] r4:c4726640 # [ 89.045700] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 89.053103] r9:c69d0000 r8:c03002e4 r7:00000004 r6:b6fd8e00 r5:00000016 r4:00000016 # [ 89.061118] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 89.068953] Exception stack(0xc69d1fa8 to 0xc69d1ff0) # [ 89.074274] 1fa0: 00000016 00000016 00000001 b6e91000 00000016 00000000 # [ 89.082720] 1fc0: 00000016 00000016 b6fd8e00 00000004 00000001 00000000 00020000 bec88ac4 # [ 89.091165] 1fe0: 00000004 bec887f8 b6f42d8f b6ec97e6 # [ 89.096509] irq event stamp: 0 # [ 89.099861] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 89.105713] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 89.113489] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 89.121264] softirqs last disabled at (0): [<00000000>] 0x0 # [ 89.127107] ---[ end trace 6cad11b2953b10d2 ]--- # [ 89.132014] lkdtm: Negative detected: saturated # REFCOUNT_DEC_NEGATIVE: saw 'Negative detected: saturated': ok ok 47 selftests: lk<6>[ 89.558817] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE dtm: REFCOUNT_DEC_NEGATIVE.sh # <6>[ 89.567996] lkdtm: attempting bad refcount_dec_and_test() below zero selftests: lkdtm: REFCOUNT_DEC_AN<4>[ 89.577489] ------------[ cut here ]------------ D_TEST_NEGATIVE.sh <4>[ 89.585295] WARNING: CPU: 2 PID: 2857 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 <4>[ 89.595720] refcount_t: underflow; use-after-free. <4>[ 89.600840] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm phy_generic snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched parallel_display imxdrm imx_ipu_v3 <4>[ 89.630306] CPU: 2 PID: 2857 Comm: cat Tainted: G D W 5.10.205-cip41 #1 <4>[ 89.638322] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 89.645118] Backtrace: <4>[ 89.647856] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 89.655699] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 <4>[ 89.661636] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 89.669226] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 89.676462] r9:00000009 r8:c08754dc r7:0000001c r6:00000009 r5:c08754dc r4:c1a29b24 <4>[ 89.684480] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 89.692231] r7:0000001c r6:c1a29b24 r5:c1a29b60 r4:c683a000 <4>[ 89.698173] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) <4>[ 89.707489] r9:c1ad5a84 r8:c15ebd0c r7:c683bf60 r6:0000001f r5:00000000 r4:c683a000 <4>[ 89.715514] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) <4>[ 89.726228] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x50/0x8c) <4>[ 89.738153] [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 89.748336] r5:c6bd5000 r4:00000031 <4>[ 89.752183] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 89.760468] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 89.768657] r9:c683bf60 r8:c307a6c0 r7:0000001f r6:b6dcc000 r5:c69ba8c0 r4:c0c57cf4 <4>[ 89.776682] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 89.784783] r9:c07e1b2c r8:c683bf60 r7:c2815800 r6:b6dcc000 r5:c69ba8c0 r4:00000000 <4>[ 89.792799] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 89.800206] r10:00000004 r9:00000000 r8:00000000 r7:b6dcc000 r6:c683a000 r5:c69ba8c0 <4>[ 89.808302] r4:c69ba8c0 <4>[ 89.811108] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 89.818516] r9:c683a000 r8:c03002e4 r7:00000004 r6:b6f13e00 r5:0000001f r4:0000001f <4>[ 89.826537] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 89.834375] Exception stack(0xc683bfa8 to 0xc683bff0) <4>[ 89.839701] bfa0: 0000001f 0000001f 00000001 b6dcc000 0000001f 00000000 <4>[ 89.848152] bfc0: 0000001f 0000001f b6f13e00 00000004 00000001 00000000 00020000 be833ac4 <4>[ 89.856599] bfe0: 00000004 be8337f8 b6e7dd8f b6e047e6 <4>[ 89.861993] irq event stamp: 0 <4>[ 89.865331] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 89.871225] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 89.878993] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 89.886861] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 89.892776] ---[ end trace 6cad11b2953b10d3 ]--- <6>[ 89.897671] lkdtm: Negative detected: saturated # [ 89.558817] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 89.567996] lkdtm: attempting bad refcount_dec_and_test() below zero # [ 89.577489] ------------[ cut here ]------------ # [ 89.585295] WARNING: CPU: 2 PID: 2857 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 89.595720] refcount_t: underflow; use-after-free. # [ 89.600840] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm phy_generic snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched parallel_display imxdrm imx_ipu_v3 # [ 89.630306] CPU: 2 PID: 2857 Comm: cat Tainted: G D W 5.10.205-cip41 #1 # [ 89.638322] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 89.645118] Backtrace: # [ 89.647856] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 89.655699] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 89.661636] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 89.669226] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 89.676462] r9:00000009 r8:c08754dc r7:0000001c r6:00000009 r5:c08754dc r4:c1a29b24 # [ 89.684480] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 89.692231] r7:0000001c r6:c1a29b24 r5:c1a29b60 r4:c683a000 # [ 89.698173] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 89.707489] r9:c1ad5a84 r8:c15ebd0c r7:c683bf60 r6:0000001f r5:00000000 r4:c683a000 # [ 89.715514] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 89.726228] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x50/0x8c) # [ 89.738153] [] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 89.748336] r5:c6bd5000 r4:00000031 # [ 89.752183] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 89.760468] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 89.768657] r9:c683bf60 r8:c307a6c0 r7:0000001f r6:b6dcc000 r5:c69ba8c0 r4:c0c57cf4 # [ 89.776682] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 89.784783] r9:c07e1b2c r8:c683bf60 r7:c2815800 r6:b6dcc000 r5:c69ba8c0 r4:00000000 # [ 89.792799] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 89.800206] r10:00000004 r9:00000000 r8:00000000 r7:b6dcc000 r6:c683a000 r5:c69ba8c0 # [ 89.808302] r4:c69ba8c0 # [ 89.811108] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 89.818516] r9:c683a000 r8:c03002e4 r7:00000004 r6:b6f13e00 r5:0000001f r4:0000001f # [ 89.826537] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 89.834375] Exception stack(0xc683bfa8 to 0xc683bff0) # [ 89.839701] bfa0: 0000001f 0000001f 00000001 b6dcc000 0000001f 00000000 # [ 89.848152] bfc0: 0000001f 0000001f b6f13e00 00000004 00000001 00000000 00020000 be833ac4 # [ 89.856599] bfe0: 00000004 be8337f8 b6e7dd8f b6e047e6 # [ 89.861993] irq event stamp: 0 # [ 89.865331] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 89.871225] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 89.878993] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 89.886861] softirqs last disabled at (0): [<00000000>] 0x0 # [ 89.892776] ---[ end trace 6cad11b2953b10d3 ]--- # [ 89.897671] lkdtm: Negative detected: saturated # REFCOUNT_DEC_AND_TEST_NEGA<6>[ 90.323325] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE TIVE: saw 'Negative detected: sat<6>[ 90.331885] lkdtm: attempting bad refcount_sub_and_test() below zero urated': ok ok 48 selftests: lkd<4>[ 90.341343] ------------[ cut here ]------------ tm: REFCOUNT_DEC_AND_TEST_NEGATIV<4>[ 90.349046] WARNING: CPU: 2 PID: 2893 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 E.sh # selftests: lkdtm: REFCOUN<4>[ 90.360746] refcount_t: underflow; use-after-free. T_SUB_AND_TEST_NEGATIVE.sh <4>[ 90.368597] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm phy_generic snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched parallel_display imxdrm imx_ipu_v3 <4>[ 90.400180] CPU: 2 PID: 2893 Comm: cat Tainted: G D W 5.10.205-cip41 #1 <4>[ 90.408195] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 90.414992] Backtrace: <4>[ 90.417729] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 90.425570] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 <4>[ 90.431508] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 90.439100] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 90.446334] r9:00000009 r8:c08754dc r7:0000001c r6:00000009 r5:c08754dc r4:c1a29b24 <4>[ 90.454353] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 90.462106] r7:0000001c r6:c1a29b24 r5:c1a29b60 r4:c6806000 <4>[ 90.468042] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) <4>[ 90.477361] r9:c1ad5aa4 r8:c15ebd0c r7:c6807f60 r6:0000001f r5:c6bd5000 r4:c6806000 <4>[ 90.485384] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) <4>[ 90.496100] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x50/0x8c) <4>[ 90.508026] [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 90.518205] r4:00000032 <4>[ 90.521013] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 90.529296] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 90.537485] r9:c6807f60 r8:c307a6c0 r7:0000001f r6:b6e49000 r5:c69bb900 r4:c0c57cf4 <4>[ 90.545510] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 90.553612] r9:c07e1b2c r8:c6807f60 r7:c2815800 r6:b6e49000 r5:c69bb900 r4:00000000 <4>[ 90.561630] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 90.569037] r10:00000004 r9:00000000 r8:00000000 r7:b6e49000 r6:c6806000 r5:c69bb900 <4>[ 90.577133] r4:c69bb900 <4>[ 90.579940] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 90.587348] r9:c6806000 r8:c03002e4 r7:00000004 r6:b6f90e00 r5:0000001f r4:0000001f <4>[ 90.595367] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 90.603205] Exception stack(0xc6807fa8 to 0xc6807ff0) <4>[ 90.608531] 7fa0: 0000001f 0000001f 00000001 b6e49000 0000001f 00000000 <4>[ 90.616982] 7fc0: 0000001f 0000001f b6f90e00 00000004 00000001 00000000 00020000 befaeac4 <4>[ 90.625430] 7fe0: 00000004 befae7f8 b6efad8f b6e817e6 <4>[ 90.630827] irq event stamp: 0 <4>[ 90.634166] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 90.640066] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 90.647841] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 90.655666] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 90.661570] ---[ end trace 6cad11b2953b10d4 ]--- <6>[ 90.666472] lkdtm: Negative detected: saturated # [ 90.323325] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 90.331885] lkdtm: attempting bad refcount_sub_and_test() below zero # [ 90.341343] ------------[ cut here ]------------ # [ 90.349046] WARNING: CPU: 2 PID: 2893 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 90.360746] refcount_t: underflow; use-after-free. # [ 90.368597] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm phy_generic snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched parallel_display imxdrm imx_ipu_v3 # [ 90.400180] CPU: 2 PID: 2893 Comm: cat Tainted: G D W 5.10.205-cip41 #1 # [ 90.408195] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 90.414992] Backtrace: # [ 90.417729] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 90.425570] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 90.431508] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 90.439100] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 90.446334] r9:00000009 r8:c08754dc r7:0000001c r6:00000009 r5:c08754dc r4:c1a29b24 # [ 90.454353] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 90.462106] r7:0000001c r6:c1a29b24 r5:c1a29b60 r4:c6806000 # [ 90.468042] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 90.477361] r9:c1ad5aa4 r8:c15ebd0c r7:c6807f60 r6:0000001f r5:c6bd5000 r4:c6806000 # [ 90.485384] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 90.496100] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x50/0x8c) # [ 90.508026] [] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE) from [] (lkdtm_do_action+0x2c/0x4c) # [ 90.518205] r4:00000032 # [ 90.521013] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 90.529296] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 90.537485] r9:c6807f60 r8:c307a6c0 r7:0000001f r6:b6e49000 r5:c69bb900 r4:c0c57cf4 # [ 90.545510] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 90.553612] r9:c07e1b2c r8:c6807f60 r7:c2815800 r6:b6e49000 r5:c69bb900 r4:00000000 # [ 90.561630] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 90.569037] r10:00000004 r9:00000000 r8:00000000 r7:b6e49000 r6:c6806000 r5:c69bb900 # [ 90.577133] r4:c69bb900 # [ 90.579940] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 90.587348] r9:c6806000 r8:c03002e4 r7:00000004 r6:b6f90e00 r5:0000001f r4:0000001f # [ 90.595367] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 90.603205] Exception stack(0xc6807fa8 to 0xc6807ff0) # [ 90.608531] 7fa0: 0000001f 0000001f 00000001 b6e49000 0000001f 00000000 # [ 90.616982] 7fc0: 0000001f 0000001f b6f90e00 00000004 00000001 00000000 00020000 befaeac4 # [ 90.625430] 7fe0: 00000004 befae7f8 b6efad8f b6e817e6 # [ 90.630827] irq event stamp: 0 # [ 90.634166] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 90.640066] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 90.647841] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 90.655666] softirqs last disabled at (0): [<00000000>] 0x0 # [ 90.661570] ---[ end trace 6cad11b2953b10d4 ]--- # [ 90.666472] lkdtm<6>[ 91.087523] lkdtm: Performing direct entry REFCOUNT_INC_ZERO : Negative detected: saturated #<6>[ 91.096358] lkdtm: attempting safe refcount_inc_not_zero() from zero REFCOUNT_SUB_AND_TEST_NEGATIVE: <6>[ 91.105625] lkdtm: Good: zero detected saw 'Negative detected: saturated<6>[ 91.112563] lkdtm: Correctly stayed at zero ': ok ok 49 selftests: lkdtm: RE<6>[ 91.119791] lkdtm: attempting bad refcount_inc() from zero FCOUNT_SUB_AND_TT[_ N E G9A1.128368] ------------[ cut here ]------------ IVE.sh # selftests: lkdtm: REFCO<4>[ 91.135376] WARNING: CPU: 1 PID: 2926 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 UNT_INC_ZERO.sh <4>[ 91.147010] refcount_t: addition on 0; use-after-free. <4>[ 91.153874] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm phy_generic snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched parallel_display imxdrm imx_ipu_v3 <4>[ 91.183271] CPU: 1 PID: 2926 Comm: cat Tainted: G D W 5.10.205-cip41 #1 <4>[ 91.191282] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 91.198074] Backtrace: <4>[ 91.200804] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 91.208644] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 <4>[ 91.214576] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 91.222161] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 91.229394] r9:00000009 r8:c08754a8 r7:00000019 r6:00000009 r5:c08754a8 r4:c1a29b24 <4>[ 91.237408] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 91.245159] r7:00000019 r6:c1a29b24 r5:c1a29b34 r4:c684e000 <4>[ 91.251091] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) <4>[ 91.260404] r9:c1ad5ac4 r8:c15ebd0c r7:c684ff60 r6:00000012 r5:00000000 r4:c684e000 <4>[ 91.268420] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) <4>[ 91.278347] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_ZERO+0xa8/0xcc) <4>[ 91.288358] [] (lkdtm_REFCOUNT_INC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 91.297409] r5:c6b53000 r4:00000033 <4>[ 91.301253] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 91.309531] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 91.317717] r9:c684ff60 r8:c307a6c0 r7:00000012 r6:b6ddc000 r5:c5cb9a40 r4:c0c57cf4 <4>[ 91.325736] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 91.333834] r9:c07e1b2c r8:c684ff60 r7:c2815800 r6:b6ddc000 r5:c5cb9a40 r4:00000000 <4>[ 91.341846] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 91.349248] r10:00000004 r9:00000000 r8:00000000 r7:b6ddc000 r6:c684e000 r5:c5cb9a40 <4>[ 91.357342] r4:c5cb9a40 <4>[ 91.360146] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 91.367550] r9:c684e000 r8:c03002e4 r7:00000004 r6:b6f23e00 r5:00000012 r4:00000012 <4>[ 91.375565] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 91.383400] Exception stack(0xc684ffa8 to 0xc684fff0) <4>[ 91.388721] ffa0: 00000012 00000012 00000001 b6ddc000 00000012 00000000 <4>[ 91.397165] ffc0: 00000012 00000012 b6f23e00 00000004 00000001 00000000 00020000 be891ac4 <4>[ 91.405608] ffe0: 00000004 be8917f8 b6e8dd8f b6e147e6 <4>[ 91.410968] irq event stamp: 0 <4>[ 91.414300] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 91.420175] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 91.427936] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 91.435741] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 91.441620] ---[ end trace 6cad11b2953b10d5 ]--- <6>[ 91.446515] lkdtm: Zero detected: saturated # [ 91.087523] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 91.096358] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 91.105625] lkdtm: Good: zero detected # [ 91.112563] lkdtm: Correctly stayed at zero # [ 91.119791] lkdtm: attempting bad refcount_inc() from zero # [ 91.128368] ------------[ cut here ]------------ # [ 91.135376] WARNING: CPU: 1 PID: 2926 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 # [ 91.147010] refcount_t: addition on 0; use-after-free. # [ 91.153874] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm phy_generic snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched parallel_display imxdrm imx_ipu_v3 # [ 91.183271] CPU: 1 PID: 2926 Comm: cat Tainted: G D W 5.10.205-cip41 #1 # [ 91.191282] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 91.198074] Backtrace: # [ 91.200804] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 91.208644] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 91.214576] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 91.222161] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 91.229394] r9:00000009 r8:c08754a8 r7:00000019 r6:00000009 r5:c08754a8 r4:c1a29b24 # [ 91.237408] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 91.245159] r7:00000019 r6:c1a29b24 r5:c1a29b34 r4:c684e000 # [ 91.251091] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) # [ 91.260404] r9:c1ad5ac4 r8:c15ebd0c r7:c684ff60 r6:00000012 r5:00000000 r4:c684e000 # [ 91.268420] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) # [ 91.278347] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_ZERO+0xa8/0xcc) # [ 91.288358] [] (lkdtm_REFCOUNT_INC_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 91.297409] r5:c6b53000 r4:00000033 # [ 91.301253] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 91.309531] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 91.317717] r9:c684ff60 r8:c307a6c0 r7:00000012 r6:b6ddc000 r5:c5cb9a40 r4:c0c57cf4 # [ 91.325736] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 91.333834] r9:c07e1b2c r8:c684ff60 r7:c2815800 r6:b6ddc000 r5:c5cb9a40 r4:00000000 # [ 91.341846] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 91.349248] r10:00000004 r9:00000000 r8:00000000 r7:b6ddc000 r6:c684e000 r5:c5cb9a40 # [ 91.357342] r4:c5cb9a40 # [ 91.360146] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 91.367550] r9:c684e000 r8:c03002e4 r7:00000004 r6:b6f23e00 r5:00000012 r4:00000012 # [ 91.375565] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 91.383400] Exception stack(0xc684ffa8 to 0xc684fff0) # [ 91.388721] ffa0: 00000012 00000012 00000001 b6ddc000 00000012 00000000 # [ 91.397165] ffc0: 00000012 00000012 b6f23e00 00000004 00000001 00000000 00020000 be891ac4 # [ 91.405608] ffe0: 00000004 be8917f8 b6e8dd8f b6e147e6 # [ 91.410968] irq event stamp: 0 # [ 91.414300] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 91.420175] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 91.427936] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 91.435741] softirqs last disabled at (0): [<00000000>] 0x0 # [ 91.441620] ---[ end trace 6cad11b2953b10d5 ]--- # [ 91.446515] lkdtm: Zero detected: saturated # REFCOUNT_INC_ZERO: mis<6>[ 91.897494] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO sing 'call trace:': [FAIL] not o<6>[ 91.905165] lkdtm: attempting safe refcount_add_not_zero() from zero k 50 selftests: lkdtm: REFCOUNT_I<6>[ 91.914603] lkdtm: Good: zero detected NC_ZERO.sh # exit=1 # selftests:<6>[ 91.921558] lkdtm: Correctly stayed at zero lkdtm: REFCOUNT_ADD_ZERO.sh <6>[ 91.928839] lkdtm: attempting bad refcount_add() from zero <4>[ 91.937183] ------------[ cut here ]------------ <4>[ 91.942201] WARNING: CPU: 0 PID: 2961 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 <4>[ 91.951032] refcount_t: addition on 0; use-after-free. <4>[ 91.956441] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm phy_generic snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched parallel_display imxdrm imx_ipu_v3 <4>[ 91.985840] CPU: 0 PID: 2961 Comm: cat Tainted: G D W 5.10.205-cip41 #1 <4>[ 91.993851] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 92.000645] Backtrace: <4>[ 92.003373] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 92.011211] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 <4>[ 92.017143] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 92.024727] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 92.031957] r9:00000009 r8:c08754a8 r7:00000019 r6:00000009 r5:c08754a8 r4:c1a29b24 <4>[ 92.039972] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 92.047723] r7:00000019 r6:c1a29b24 r5:c1a29b34 r4:c5cfe000 <4>[ 92.053654] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) <4>[ 92.062966] r9:c1ad5ad8 r8:c15ebd0c r7:c5cfff60 r6:00000012 r5:00000000 r4:c5cfe000 <4>[ 92.070981] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) <4>[ 92.080912] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_ZERO+0xa8/0xcc) <4>[ 92.090922] [] (lkdtm_REFCOUNT_ADD_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 92.099971] r5:c6c23000 r4:00000034 <4>[ 92.103817] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 92.112096] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 92.120281] r9:c5cfff60 r8:c307a6c0 r7:00000012 r6:b6e05000 r5:c69d23c0 r4:c0c57cf4 <4>[ 92.128300] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 92.136397] r9:c07e1b2c r8:c5cfff60 r7:c2815800 r6:b6e05000 r5:c69d23c0 r4:00000000 <4>[ 92.144410] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 92.151813] r10:00000004 r9:00000000 r8:00000000 r7:b6e05000 r6:c5cfe000 r5:c69d23c0 <4>[ 92.159906] r4:c69d23c0 <4>[ 92.162710] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 92.170114] r9:c5cfe000 r8:c03002e4 r7:00000004 r6:b6f4ce00 r5:00000012 r4:00000012 <4>[ 92.178130] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 92.185964] Exception stack(0xc5cfffa8 to 0xc5cffff0) <4>[ 92.191284] ffa0: 00000012 00000012 00000001 b6e05000 00000012 00000000 <4>[ 92.199730] ffc0: 00000012 00000012 b6f4ce00 00000004 00000001 00000000 00020000 be842ac4 <4>[ 92.208173] ffe0: 00000004 be8427f8 b6eb6d8f b6e3d7e6 <4>[ 92.213523] irq event stamp: 0 <4>[ 92.216854] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 92.222730] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 92.230522] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 92.238278] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 92.244178] ---[ end trace 6cad11b2953b10d6 ]--- <6>[ 92.249073] lkdtm: Zero detected: saturated # [ 91.897494] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 91.905165] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 91.914603] lkdtm: Good: zero detected # [ 91.921558] lkdtm: Correctly stayed at zero # [ 91.928839] lkdtm: attempting bad refcount_add() from zero # [ 91.937183] ------------[ cut here ]------------ # [ 91.942201] WARNING: CPU: 0 PID: 2961 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174 # [ 91.951032] refcount_t: addition on 0; use-after-free. # [ 91.956441] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm phy_generic snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched parallel_display imxdrm imx_ipu_v3 # [ 91.985840] CPU: 0 PID: 2961 Comm: cat Tainted: G D W 5.10.205-cip41 #1 # [ 91.993851] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 92.000645] Backtrace: # [ 92.003373] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 92.011211] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 92.017143] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 92.024727] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 92.031957] r9:00000009 r8:c08754a8 r7:00000019 r6:00000009 r5:c08754a8 r4:c1a29b24 # [ 92.039972] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 92.047723] r7:00000019 r6:c1a29b24 r5:c1a29b34 r4:c5cfe000 # [ 92.053654] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x108/0x174) # [ 92.062966] r9:c1ad5ad8 r8:c15ebd0c r7:c5cfff60 r6:00000012 r5:00000000 r4:c5cfe000 # [ 92.070981] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x54/0x58) # [ 92.080912] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_ZERO+0xa8/0xcc) # [ 92.090922] [] (lkdtm_REFCOUNT_ADD_ZERO) from [] (lkdtm_do_action+0x2c/0x4c) # [ 92.099971] r5:c6c23000 r4:00000034 # [ 92.103817] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 92.112096] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 92.120281] r9:c5cfff60 r8:c307a6c0 r7:00000012 r6:b6e05000 r5:c69d23c0 r4:c0c57cf4 # [ 92.128300] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 92.136397] r9:c07e1b2c r8:c5cfff60 r7:c2815800 r6:b6e05000 r5:c69d23c0 r4:00000000 # [ 92.144410] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 92.151813] r10:00000004 r9:00000000 r8:00000000 r7:b6e05000 r6:c5cfe000 r5:c69d23c0 # [ 92.159906] r4:c69d23c0 # [ 92.162710] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 92.170114] r9:c5cfe000 r8:c03002e4 r7:00000004 r6:b6f4ce00 r5:00000012 r4:00000012 # [ 92.178130] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 92.185964] Exception stack(0xc5cfffa8 to 0xc5cffff0) # [ 92.191284] ffa0: 00000012 00000012 00000001 b6e05000 00000012 00000000 # [ 92.199730] ffc0: 00000012 00000012 b6f4ce00 00000004 00000001 00000000 00020000 be842ac4 # [ 92.208173] ffe0: 00000004 be8427f8 b6eb6d8f b6e3d7e6 # [ 92.213523] irq event stamp: 0 # [ 92.216854] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 92.222730] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 92.230522] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 92.238278] softirqs last disabled at (0): [<00000000>] 0x0 # [ 92.244178] ---[ end trace 6cad11b2953b10d6 ]--- # [ 92.249073] lkdtm: Zero detected: saturated # REFCOUNT_ADD_ZERO: missing 'call trace:': [FAIL] not ok 51 selftests: lkdtm: REFCOUNT_ADD_ZERO.sh # exit=1 # selftests: lkdtm: REFCOUNT_INC_SATURATED.sh <6>[ 92.738379] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED <6>[ 92.744822] lkdtm: attempting bad refcount_inc() from saturated <4>[ 92.751179] ------------[ cut here ]------------ <4>[ 92.756109] WARNING: CPU: 3 PID: 2999 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 <4>[ 92.764848] refcount_t: saturated; leaking memory. <4>[ 92.769937] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm phy_generic snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched parallel_display imxdrm imx_ipu_v3 <4>[ 92.799335] CPU: 3 PID: 2999 Comm: cat Tainted: G D W 5.10.205-cip41 #1 <4>[ 92.807346] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 92.814138] Backtrace: <4>[ 92.816867] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 92.824706] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 <4>[ 92.830636] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 92.838221] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 92.845454] r9:00000009 r8:c0875474 r7:00000016 r6:00000009 r5:c0875474 r4:c1a29b24 <4>[ 92.853467] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 92.861216] r7:00000016 r6:c1a29b24 r5:c1a29afc r4:c58ce000 <4>[ 92.867149] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) <4>[ 92.876376] r9:c1ad5aec r8:c15ebd0c r7:c58cff60 r6:00000017 r5:c6c4d000 r4:c58ce000 <4>[ 92.884393] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) <4>[ 92.894320] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_SATURATED+0x4c/0x70) <4>[ 92.904768] [] (lkdtm_REFCOUNT_INC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 92.914250] r4:00000035 <4>[ 92.917056] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 92.925333] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 92.933517] r9:c58cff60 r8:c307a6c0 r7:00000017 r6:b6e9b000 r5:c5bdd180 r4:c0c57cf4 <4>[ 92.941537] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 92.949636] r9:c07e1b2c r8:c58cff60 r7:c2815800 r6:b6e9b000 r5:c5bdd180 r4:00000000 <4>[ 92.957648] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 92.965053] r10:00000004 r9:00000000 r8:00000000 r7:b6e9b000 r6:c58ce000 r5:c5bdd180 <4>[ 92.973145] r4:c5bdd180 <4>[ 92.975949] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 92.983353] r9:c58ce000 r8:c03002e4 r7:00000004 r6:b6fe2e00 r5:00000017 r4:00000017 <4>[ 92.991369] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 92.999204] Exception stack(0xc58cffa8 to 0xc58cfff0) <4>[ 93.004525] ffa0: 00000017 00000017 00000001 b6e9b000 00000017 00000000 <4>[ 93.012971] ffc0: 00000017 00000017 b6fe2e00 00000004 00000001 00000000 00020000 bef82ac4 <4>[ 93.021415] ffe0: 00000004 bef827f8 b6f4cd8f b6ed37e6 <4>[ 93.026807] irq event stamp: 0 <4>[ 93.030164] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 93.036013] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 93.043825] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 93.051639] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 93.057487] ---[ end trace 6cad11b2953b10d7 ]--- <6>[ 93.062409] lkdtm: Saturation detected: still saturated # [ 92.738379] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 92.744822] lkdtm: attempting bad refcount_inc() from saturated # [ 92.751179] ------------[ cut here ]------------ # [ 92.756109] WARNING: CPU: 3 PID: 2999 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 92.764848] refcount_t: saturated; leaking memory. # [ 92.769937] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm phy_generic snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched parallel_display imxdrm imx_ipu_v3 # [ 92.799335] CPU: 3 PID: 2999 Comm: cat Tainted: G D W 5.10.205-cip41 #1 # [ 92.807346] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 92.814138] Backtrace: # [ 92.816867] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 92.824706] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 92.830636] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 92.838221] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 92.845454] r9:00000009 r8:c0875474 r7:00000016 r6:00000009 r5:c0875474 r4:c1a29b24 # [ 92.853467] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 92.861216] r7:00000016 r6:c1a29b24 r5:c1a29afc r4:c58ce000 # [ 92.867149] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 92.876376] r9:c1ad5aec r8:c15ebd0c r7:c58cff60 r6:00000017 r5:c6c4d000 r4:c58ce000 # [ 92.884393] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 92.894320] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_INC_SATURATED+0x4c/0x70) # [ 92.904768] [] (lkdtm_REFCOUNT_INC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 92.914250] r4:00000035 # [ 92.917056] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 92.925333] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 92.933517] r9:c58cff60 r8:c307a6c0 r7:00000017 r6:b6e9b000 r5:c5bdd180 r4:c0c57cf4 # [ 92.941537] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 92.949636] r9:c07e1b2c r8:c58cff60 r7:c2815800 r6:b6e9b000 r5:c5bdd180 r4:00000000 # [ 92.957648] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 92.965053] r10:00000004 r9:00000000 r8:00000000 r7:b6e9b000 r6:c58ce000 r5:c5bdd180 # [ 92.973145] r4:c5bdd180 # [ 92.975949] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 92.983353] r9:c58ce000 r8:c03002e4 r7:00000004 r6:b6fe2e00 r5:00000017 r4:00000017 # [ 92.991369] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 92.999204] Exception stack(0xc58cffa8 to 0xc58cfff0) # [ 93.004525] ffa0: 00000017 00000017 00000001 b6e9b000 00000017 00000000 # [ 93.012971] ffc0: 00000017 00000017 b6fe2e00 00000004 00000001 00000000 00020000 bef82ac4 # [ 93.021415] ffe0: 00000004 bef827f8 b6f4cd8f b6ed37e6 # [ 93.026807] irq event stamp: 0 # [ 93.030164] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 93.036013] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 93.043825] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 93.051639] softirqs last disabled at (0): [<00000000>] 0x0 # [ 93.057487] ---[ end trace 6cad11b2953b10d7 ]--- # [ 93.062409] lkdtm: Saturation detected: still saturated # REFCOUNT_INC_SATURATED: saw 'Saturation detected: still saturated': ok ok 52 selftests: lkdtm: REFCOUNT_INC_SATURATED.sh # selftests: lkdtm: REFCOUNT_DEC_SATURATED.sh <6>[ 93.515762] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED <6>[ 93.522320] lkdtm: attempting bad refcount_dec() from saturated <4>[ 93.528545] ------------[ cut here ]------------ <4>[ 93.533511] WARNING: CPU: 0 PID: 3035 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 <4>[ 93.542332] refcount_t: decrement hit 0; leaking memory. <4>[ 93.547943] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm phy_generic snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched parallel_display imxdrm imx_ipu_v3 <4>[ 93.577435] CPU: 0 PID: 3035 Comm: cat Tainted: G D W 5.10.205-cip41 #1 <4>[ 93.585446] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 93.592239] Backtrace: <4>[ 93.594968] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 93.602808] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 <4>[ 93.608739] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 93.616322] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 93.623554] r9:00000009 r8:c087540c r7:0000001f r6:00000009 r5:c087540c r4:c1a29b24 <4>[ 93.631568] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 93.639318] r7:0000001f r6:c1a29b24 r5:c1a29b88 r4:c476e000 <4>[ 93.645250] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) <4>[ 93.654478] r9:c1ad5b04 r8:c15ebd0c r7:c476ff60 r6:00000017 r5:c59d3000 r4:c476e000 <4>[ 93.662495] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) <4>[ 93.672419] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_SATURATED+0x48/0x6c) <4>[ 93.682866] [] (lkdtm_REFCOUNT_DEC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 93.692348] r4:00000036 <4>[ 93.695151] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 93.703429] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 93.711615] r9:c476ff60 r8:c307a6c0 r7:00000017 r6:b6dbd000 r5:c6a07180 r4:c0c57cf4 <4>[ 93.719632] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 93.727729] r9:c07e1b2c r8:c476ff60 r7:c2815800 r6:b6dbd000 r5:c6a07180 r4:00000000 <4>[ 93.735743] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 93.743145] r10:00000004 r9:00000000 r8:00000000 r7:b6dbd000 r6:c476e000 r5:c6a07180 <4>[ 93.751238] r4:c6a07180 <4>[ 93.754042] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 93.761445] r9:c476e000 r8:c03002e4 r7:00000004 r6:b6f04e00 r5:00000017 r4:00000017 <4>[ 93.769459] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 93.777293] Exception stack(0xc476ffa8 to 0xc476fff0) <4>[ 93.782614] ffa0: 00000017 00000017 00000001 b6dbd000 00000017 00000000 <4>[ 93.791062] ffc0: 00000017 00000017 b6f04e00 00000004 00000001 00000000 00020000 beb9dac4 <4>[ 93.799505] ffe0: 00000004 beb9d7f8 b6e6ed8f b6df57e6 <4>[ 93.804870] irq event stamp: 0 <4>[ 93.808203] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 93.814097] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 93.821888] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 93.829676] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 93.835520] ---[ end trace 6cad11b2953b10d8 ]--- <6>[ 93.840431] lkdtm: Saturation detected: still saturated # [ 93.515762] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 93.522320] lkdtm: attempting bad refcount_dec() from saturated # [ 93.528545] ------------[ cut here ]------------ # [ 93.533511] WARNING: CPU: 0 PID: 3035 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174 # [ 93.542332] refcount_t: decrement hit 0; leaking memory. # [ 93.547943] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm phy_generic snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched parallel_display imxdrm imx_ipu_v3 # [ 93.577435] CPU: 0 PID: 3035 Comm: cat Tainted: G D W 5.10.205-cip41 #1 # [ 93.585446] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 93.592239] Backtrace: # [ 93.594968] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 93.602808] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 93.608739] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 93.616322] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 93.623554] r9:00000009 r8:c087540c r7:0000001f r6:00000009 r5:c087540c r4:c1a29b24 # [ 93.631568] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 93.639318] r7:0000001f r6:c1a29b24 r5:c1a29b88 r4:c476e000 # [ 93.645250] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x6c/0x174) # [ 93.654478] r9:c1ad5b04 r8:c15ebd0c r7:c476ff60 r6:00000017 r5:c59d3000 r4:c476e000 # [ 93.662495] [] (refcount_warn_saturate) from [] (__refcount_dec.constprop.0+0x38/0x3c) # [ 93.672419] [] (__refcount_dec.constprop.0) from [] (lkdtm_REFCOUNT_DEC_SATURATED+0x48/0x6c) # [ 93.682866] [] (lkdtm_REFCOUNT_DEC_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 93.692348] r4:00000036 # [ 93.695151] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 93.703429] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 93.711615] r9:c476ff60 r8:c307a6c0 r7:00000017 r6:b6dbd000 r5:c6a07180 r4:c0c57cf4 # [ 93.719632] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 93.727729] r9:c07e1b2c r8:c476ff60 r7:c2815800 r6:b6dbd000 r5:c6a07180 r4:00000000 # [ 93.735743] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 93.743145] r10:00000004 r9:00000000 r8:00000000 r7:b6dbd000 r6:c476e000 r5:c6a07180 # [ 93.751238] r4:c6a07180 # [ 93.754042] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 93.761445] r9:c476e000 r8:c03002e4 r7:00000004 r6:b6f04e00 r5:00000017 r4:00000017 # [ 93.769459] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 93.777293] Exception stack(0xc476ffa8 to 0xc476fff0) # [ 93.782614] ffa0: 00000017 00000017 00000001 b6dbd000 00000017 00000000 # [ 93.791062] ffc0: 00000017 00000017 b6f04e00 00000004 00000001 00000000 00020000 beb9dac4 # [ 93.799505] ffe0: 00000004 beb9d7f8 b6e6ed8f b6df57e6 # [ 93.804870] irq event stamp: 0 # [ 93.808203] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 93.814097] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 93.821888] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 93.829676] softirqs last disabled at (0): [<00000000>] 0x0 # [ 93.835520] ---[ end trace 6cad11b2953b10d8 ]--- # [ 93.840431] lkdtm: Saturation detected: still saturated # REFCOUNT_DEC_SATURATED: saw 'Saturation detected: still saturated': ok ok 53 selftests: lkdtm: REFCOUNT_DEC_SATURATED.sh # selftests: lkdtm: REFCOUNT_ADD_SATURATED.sh <6>[ 94.306256] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED <6>[ 94.312776] lkdtm: attempting bad refcount_dec() from saturated <4>[ 94.318999] ------------[ cut here ]------------ <4>[ 94.323975] WARNING: CPU: 1 PID: 3071 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 <4>[ 94.332783] refcount_t: saturated; leaking memory. <4>[ 94.337871] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm phy_generic snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched parallel_display imxdrm imx_ipu_v3 <4>[ 94.367274] CPU: 1 PID: 3071 Comm: cat Tainted: G D W 5.10.205-cip41 #1 <4>[ 94.375286] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 94.382076] Backtrace: <4>[ 94.384806] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 94.392646] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 <4>[ 94.398577] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 94.406161] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 94.413391] r9:00000009 r8:c0875474 r7:00000016 r6:00000009 r5:c0875474 r4:c1a29b24 <4>[ 94.421405] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 94.429155] r7:00000016 r6:c1a29b24 r5:c1a29afc r4:c46c4000 <4>[ 94.435086] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) <4>[ 94.444314] r9:c1ad5b1c r8:c15ebd0c r7:c46c5f60 r6:00000017 r5:c6e98000 r4:c46c4000 <4>[ 94.452333] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) <4>[ 94.462261] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_SATURATED+0x4c/0x70) <4>[ 94.472706] [] (lkdtm_REFCOUNT_ADD_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 94.482190] r4:00000037 <4>[ 94.484992] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 94.493270] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 94.501457] r9:c46c5f60 r8:c307a6c0 r7:00000017 r6:b6e1a000 r5:c58a6dc0 r4:c0c57cf4 <4>[ 94.509476] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 94.517574] r9:c07e1b2c r8:c46c5f60 r7:c2815800 r6:b6e1a000 r5:c58a6dc0 r4:00000000 <4>[ 94.525587] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 94.532992] r10:00000004 r9:00000000 r8:00000000 r7:b6e1a000 r6:c46c4000 r5:c58a6dc0 <4>[ 94.541084] r4:c58a6dc0 <4>[ 94.543890] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 94.551295] r9:c46c4000 r8:c03002e4 r7:00000004 r6:b6f61e00 r5:00000017 r4:00000017 <4>[ 94.559311] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 94.567147] Exception stack(0xc46c5fa8 to 0xc46c5ff0) <4>[ 94.572469] 5fa0: 00000017 00000017 00000001 b6e1a000 00000017 00000000 <4>[ 94.580918] 5fc0: 00000017 00000017 b6f61e00 00000004 00000001 00000000 00020000 befc0ac4 <4>[ 94.589362] 5fe0: 00000004 befc07f8 b6ecbd8f b6e527e6 <4>[ 94.594740] irq event stamp: 0 <4>[ 94.598073] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 94.603983] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 94.611771] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 94.619530] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 94.625407] ---[ end trace 6cad11b2953b10d9 ]--- <6>[ 94.630334] lkdtm: Saturation detected: still saturated # [ 0.000000] HighMem zone: 65536 pages, LIFO batch:15 # [ 0.000000] percpu: Embedded 21 pages/cpu s55468 r8192 d22356 u86016 # [ 0.000000] pcpu-alloc: s55468 r8192 d22356 u86016 alloc=21*4096 # [ 0.000000] pcpu-alloc: [0] 0 [0] 1 [0] 2 [0] 3 # [ 0.000000] Built 1 zonelists, mobility grouping on. Total pages: 260608 # [ 0.000000] Kernel command line: console=ttymxc1,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/12331979/extract-nfsrootfs-3jed6pvq,tcp,hard console_msg_format=syslog earlycon deferred_probe_timeout=60 ip=dhcp # [ 0.000000] Dentry cache hash table entries: 131072 (order: 7, 524288 bytes, linear) # [ 0.000000] Inode-cache hash table entries: 65536 (order: 6, 262144 bytes, linear) # [ 0.000000] mem auto-init: stack:off, heap alloc:off, heap free:off # [ 0.000000] Memory: 921472K/1048576K available (17408K kernel code, 2714K rwdata, 8140K rodata, 2048K init, 6693K bss, 61568K reserved, 65536K cma-reserved, 196608K highmem) # [ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 # [ 0.000000] ftrace: allocating 56141 entries in 165 pages # [ 0.000000] ftrace: allocated 165 pages with 4 groups # [ 0.000000] Running RCU self tests # [ 94.306256] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 94.312776] lkdtm: attempting bad refcount_dec() from saturated # [ 94.318999] ------------[ cut here ]------------ # [ 94.323975] WARNING: CPU: 1 PID: 3071 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174 # [ 94.332783] refcount_t: saturated; leaking memory. # [ 94.337871] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm phy_generic snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched parallel_display imxdrm imx_ipu_v3 # [ 94.367274] CPU: 1 PID: 3071 Comm: cat Tainted: G D W 5.10.205-cip41 #1 # [ 94.375286] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 94.382076] Backtrace: # [ 94.384806] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 94.392646] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 94.398577] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 94.406161] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 94.413391] r9:00000009 r8:c0875474 r7:00000016 r6:00000009 r5:c0875474 r4:c1a29b24 # [ 94.421405] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 94.429155] r7:00000016 r6:c1a29b24 r5:c1a29afc r4:c46c4000 # [ 94.435086] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xd4/0x174) # [ 94.444314] r9:c1ad5b1c r8:c15ebd0c r7:c46c5f60 r6:00000017 r5:c6e98000 r4:c46c4000 # [ 94.452333] [] (refcount_warn_saturate) from [] (__refcount_add.constprop.0+0x44/0x58) # [ 94.462261] [] (__refcount_add.constprop.0) from [] (lkdtm_REFCOUNT_ADD_SATURATED+0x4c/0x70) # [ 94.472706] [] (lkdtm_REFCOUNT_ADD_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 94.482190] r4:00000037 # [ 94.484992] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 94.493270] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 94.501457] r9:c46c5f60 r8:c307a6c0 r7:00000017 r6:b6e1a000 r5:c58a6dc0 r4:c0c57cf4 # [ 94.509476] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 94.517574] r9:c07e1b2c r8:c46c5f60 r7:c2815800 r6:b6e1a000 r5:c58a6dc0 r4:00000000 # [ 94.525587] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 94.532992] r10:00000004 r9:00000000 r8:00000000 r7:b6e1a000 r6:c46c4000 r5:c58a6dc0 # [ 94.541084] r4:c58a6dc0 # [ 94.543890] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 94.551295] r9:c46c4000 r8:c03002e4 r7:00000004 r6:b6f61e00 r5:00000017 r4:00000017 # [ 94.559311] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 94.567147] Exception stack(0xc46c5fa8 to 0xc46c5ff0) # [ 94.572469] 5fa0: 00000017 00000017 00000001 b6e1a000 00000017 000<6>[ 95.122011] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED 00000 # [ 94.580918] 5fc0: 000<6>[ 95.131754] lkdtm: attempting bad refcount_inc_not_zero() from saturated 00017 00000017 b6f61e00 00000004 <4>[ 95.141610] ------------[ cut here ]------------ 00000001 00000000 00020000 befc0a<4>[ 95.149275] WARNING: CPU: 3 PID: 3104 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 c4 # [ 94.589362] 5fe0: 000000<4>[ 95.160924] refcount_t: saturated; leaking memory. 04 befc07f8 b6ecbd8f b6e527e6 # <4>[ 95.168750] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm phy_generic snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched parallel_display imxdrm imx_ipu_v3 [ 94.594740] irq event stamp: 0<4>[ 95.200741] CPU: 3 PID: 3104 Comm: cat Tainted: G D W 5.10.205-cip41 #1 # [ 94.5<948>0[7 3 ] 9h5a.r211564] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) irqs last enablea[t ( 09).220257] Backtrace: : [<00000000>] 0x0 # [ 94.6<04>[ 95.225061] [] (dump_backtrace) from [] (show_stack+0x20/0x24) 983] hardirqs lt[ d i s9a5b235569] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 led at (0): [>][ c o95.243487] [] (show_stack) from [] (dump_stack+0xe0/0x100) py_process+0x5f8/0x1dac< 4 >[# 95.253316] [] (dump_stack) from [] (__warn+0x98/0x14c) 94.611771] st[i r q s9 5l262873] r9:00000009 r8:c0875440 r7:00000013 r6:00000009 r5:c0875440 r4:c1a29b24 ast enabled at (0<)4:> [[ < c 095.272874] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) 538f4>] copy_o[c e s s9+50.x82779] r7:00000013 r6:c1a29b24 r5:c1a29afc r4:c5b72000 5f8/0x1dac # [ 9<44.>6[1 9 5 35.290611] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) 0] softirqs lasd[i s a b9l5e301995] r9:c1ad5b34 r8:c15ebd0c r7:c5b73f60 r6:00000020 r5:c6ce8000 r4:c0000000 d at (0): [<00000000>] 0x<04 > [# 95.311999] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) [ 94.625407] ---[ end< 4t>r[a 95.325122] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x50/0x88) e 6cad1<14>b[2 9 5 39b51.03d399 537] r5:c6ce8000 r4:c5b72000 --- # [ 94.630334] lt[m : 95.345032] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) Saturatiod[e t e c9t5e.d3:57626] r4:00000038 still saturated< 4 >#[ R E F9C5O362245] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) UNT_ADD_SATURATED: saw 'Su[r 95.372511] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) ation detecte<4d>:[ s t i9l5l. 383108] r9:c5b73f60 r8:c307a6c0 r7:00000020 r6:b6de9000 r5:c69ba640 r4:c0c57cf4 aturated': ok ok 54 selfs[t 95.393028] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) s: lkdtm: REFU[N T _ A9D5D._03539] r9:c07e1b2c r8:c5b73f60 r7:c2815800 r6:b6de9000 r5:c69ba640 r4:00000000 SATURATED.sh # sf[t e s t9s.413453] [] (vfs_write) from [] (ksys_write+0x74/0xec) : lkdtm: REFCN[T _ I N9C5_.N22929] r10:00000004 r9:00000000 r8:00000000 r7:b6de9000 r6:c5b72000 r5:c69ba640 OT_ZERO_T[U R A T9E5D..4s3h2924] r4:c69ba640 <4>[ 95.437460] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 95.444936] r9:c5b72000 r8:c03002e4 r7:00000004 r6:b6f30e00 r5:00000020 r4:00000020 <4>[ 95.452952] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 95.460789] Exception stack(0xc5b73fa8 to 0xc5b73ff0) <4>[ 95.466110] 3fa0: 00000020 00000020 00000001 b6de9000 00000020 00000000 <4>[ 95.474556] 3fc0: 00000020 00000020 b6f30e00 00000004 00000001 00000000 00020000 bede1ac4 <4>[ 95.483001] 3fe0: 00000004 bede17f8 b6e9ad8f b6e217e6 <4>[ 95.488352] irq event stamp: 0 <4>[ 95.491706] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 95.497558] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 95.505353] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 95.513158] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 95.519006] ---[ end trace 6cad11b2953b10da ]--- <6>[ 95.523939] lkdtm: Saturation detected: still saturated # [ 95.122011] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 95.131754] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 95.141610] ------------[ cut here ]------------ # [ 95.149275] WARNING: CPU: 3 PID: 3104 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 95.160924] refcount_t: saturated; leaking memory. # [ 95.168750] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm phy_generic snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched parallel_display imxdrm imx_ipu_v3 # [ 95.200741] CPU: 3 PID: 3104 Comm: cat Tainted: G D W 5.10.205-cip41 #1 # [ 95.211564] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 95.220257] Backtrace: # [ 95.225061] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 95.235569] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 95.243487] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 95.253316] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 95.262873] r9:00000009 r8:c0875440 r7:00000013 r6:00000009 r5:c0875440 r4:c1a29b24 # [ 95.272874] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 95.282779] r7:00000013 r6:c1a29b24 r5:c1a29afc r4:c5b72000 # [ 95.290611] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 95.301995] r9:c1ad5b34 r8:c15ebd0c r7:c5b73f60 r6:00000020 r5:c6ce8000 r4:c0000000 # [ 95.311999] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 95.325122] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x50/0x88) # [ 95.339537] r5:c6ce8000 r4:c5b72000 # [ 95.345032] [] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 95.357626] r4:00000038 # [ 95.362245] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 95.372511] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 95.383108] r9:c5b73f60 r8:c307a6c0 r7:00000020 r6:b6de9000 r5:c69ba640 r4:c0c57cf4 # [ 95.393028] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 95.403539] r9:c07e1b2c r8:c5b73f60 r7:c2815800 r6:b6de9000 r5:c69ba640 r4:00000000 # [ 95.413453] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 95.422929] r10:00000004 r9:00000000 r8:00000000 r7:b6de9000 r6:c5b72000 r5:c69ba640 # [ 95.432924] r4:c69ba640 # [ 95.437460] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 95.444936] r9:c5b72000 r8:c03002e4 r7:00000004 r6:b6f30e00 r5:00000020 r4:00000020 # [ 95.452952] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 95.460789] Exception stack(0xc5b73fa8 to 0xc5b73ff0) # [ 95.466110] 3fa0: 00000020 00000020 00000001 b6de9000 00000020 00000000 # [ 95.474556] 3fc0: 00000020 00000020 b6f30e00 00000004 00000001 00000000 00020000 bede1ac4 # [ 95.483001] 3fe0: 00000004 bede17f8 b6e9ad8f b6e217e6 # [ 95.488352] irq event stamp: 0 # [ 95.491706] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 95.497558] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 95.505353] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 95.513158] softirqs last disabled at (0): [<00000000>] 0x0 # [ 95.519006] ---[ end trace 6cad11b2953b10da ]--- # [ 95.523939] lkdtm: Saturation detected: still saturated # REFCOUNT_INC_NOT_ZERO_SATURATED: missing 'call trace:': [FAIL] not ok 55 selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_SATURATED.sh # exit=1 # selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_SATURATED.sh <6>[ 95.999818] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED <6>[ 96.006978] lkdtm: attempting bad refcount_add_not_zero() from saturated <4>[ 96.014150] ------------[ cut here ]------------ <4>[ 96.019086] WARNING: CPU: 3 PID: 3139 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 <4>[ 96.027826] refcount_t: saturated; leaking memory. <4>[ 96.032917] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm phy_generic snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched parallel_display imxdrm imx_ipu_v3 <4>[ 96.062327] CPU: 3 PID: 3139 Comm: cat Tainted: G D W 5.10.205-cip41 #1 <4>[ 96.070339] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 96.077132] Backtrace: <4>[ 96.079862] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 96.087701] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 <4>[ 96.093632] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 96.101217] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 96.108449] r9:00000009 r8:c0875440 r7:00000013 r6:00000009 r5:c0875440 r4:c1a29b24 <4>[ 96.116462] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 96.124213] r7:00000013 r6:c1a29b24 r5:c1a29afc r4:c6a9c000 <4>[ 96.130146] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) <4>[ 96.139376] r9:c1ad5b54 r8:c15ebd0c r7:c6a9df60 r6:00000020 r5:c4300000 r4:c0000000 <4>[ 96.147395] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) <4>[ 96.158104] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x50/0x88) <4>[ 96.170106] r5:c4300000 r4:c6a9c000 <4>[ 96.173957] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 96.184222] r4:00000039 <4>[ 96.187027] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 96.195304] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 96.203491] r9:c6a9df60 r8:c307a6c0 r7:00000020 r6:b6e9e000 r5:c5adc280 r4:c0c57cf4 <4>[ 96.211511] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 96.219610] r9:c07e1b2c r8:c6a9df60 r7:c2815800 r6:b6e9e000 r5:c5adc280 r4:00000000 <4>[ 96.227623] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 96.235027] r10:00000004 r9:00000000 r8:00000000 r7:b6e9e000 r6:c6a9c000 r5:c5adc280 <4>[ 96.243120] r4:c5adc280 <4>[ 96.245923] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 96.253327] r9:c6a9c000 r8:c03002e4 r7:00000004 r6:b6fe5e00 r5:00000020 r4:00000020 <4>[ 96.261343] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 96.269178] Exception stack(0xc6a9dfa8 to 0xc6a9dff0) <4>[ 96.274501] dfa0: 00000020 00000020 00000001 b6e9e000 00000020 00000000 <4>[ 96.282949] dfc0: 00000020 00000020 b6fe5e00 00000004 00000001 00000000 00020000 bef9fac4 <4>[ 96.291393] dfe0: 00000004 bef9f7f8 b6f4fd8f b6ed67e6 <4>[ 96.296772] irq event stamp: 0 <4>[ 96.300127] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 96.305978] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 96.313771] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 96.321574] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 96.327431] ---[ end trace 6cad11b2953b10db ]--- <6>[ 96.332362] lkdtm: Saturation detected: still saturated # [ 95.999818] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 96.006978] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 96.014150] ------------[ cut here ]------------ # [ 96.019086] WARNING: CPU: 3 PID: 3139 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174 # [ 96.027826] refcount_t: saturated; leaking memory. # [ 96.032917] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm phy_generic snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched parallel_display imxdrm imx_ipu_v3 # [ 96.062327] CPU: 3 PID: 3139 Comm: cat Tainted: G D W 5.10.205-cip41 #1 # [ 96.070339] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 96.077132] Backtrace: # [ 96.079862] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 96.087701] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 96.093632] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 96.101217] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 96.108449] r9:00000009 r8:c0875440 r7:00000013 r6:00000009 r5:c0875440 r4:c1a29b24 # [ 96.116462] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 96.124213] r7:00000013 r6:c1a29b24 r5:c1a29afc r4:c6a9c000 # [ 96.130146] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0xa0/0x174) # [ 96.139376] r9:c1ad5b54 r8:c15ebd0c r7:c6a9df60 r6:00000020 r5:c4300000 r4:c0000000 # [ 96.147395] [] (refcount_warn_saturate) from [] (__refcount_add_not_zero.constprop.0+0x64/0x78) # [ 96.158104] [] (__refcount_add_not_zero.constprop.0) from [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x50/0x88) # [ 96.170106] r5:c4300000 r4:c6a9c000 # [ 96.173957] [] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 96.184222] r4:00000039 # [ 96.187027] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 96.195304] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 96.203491] r9:c6a9df60 r8:c307a6c0 r7:00000020 r6:b6e9e000 r5:c5adc280 r4:c0c57cf4 # [ 96.211511] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 96.219610] r9:c07e1b2c r8:c6a9df60 r7:c2815800 r6:b6e9e000 r5:c5adc280 r4:00000000 # [ 96.227623] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 96.235027] r10:00000004 r9:00000000 r8:00000000 r7:b6e9e000 r6:c6a9c000 r5:c5adc280 # [ 96.243120] r4:c5adc280 # [ 96.245923] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 96.253327] r9:c6a9c000 r8:c03002e4 r7:00000004 r6:b6fe5e00 r5:00000020 r4:00000020 # [ 96.261343] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 96.269178] Exception stack(0xc6a9dfa8 to 0xc6a9dff0) # [ 96.274501] dfa0: 00000020 00000020 00000001 b6e9e000 00000020 00000000 # [ 96.282949] dfc0: 00000020 00000020 b6fe5e00 00000004 00000001 00000000 00020000 bef9fac4 # [ 96.291393] dfe0: 00000004 bef9f7f8 b6f4fd8f b6ed67e6 # [ 96.296772] irq event stamp: 0 # [ 96.300127] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 96.305978] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 96.313771] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 96.321574] softirqs last disabled at (0): [<00000000>] 0x0 # [ 96.327431] ---[ end trace 6cad11b2953b10db ]--- # [ 96.332362] lkdtm: Saturation detected: still saturated # REFCOUNT_ADD_NOT_ZERO_SATURATED: missing 'call trace:': [FAIL] not ok 56 selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_SATURATED.sh # exit=1 # selftests: lkdtm: REFCOUNT_DEC_AND_TEST_SATURATED.sh <6>[ 96.811872] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED <6>[ 96.819028] lkdtm: attempting bad refcount_dec_and_test() from saturated <4>[ 96.826136] ------------[ cut here ]------------ <4>[ 96.831118] WARNING: CPU: 3 PID: 3177 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 <4>[ 96.840055] refcount_t: underflow; use-after-free. <4>[ 96.845145] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm phy_generic snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched parallel_display imxdrm imx_ipu_v3 <4>[ 96.874562] CPU: 3 PID: 3177 Comm: cat Tainted: G D W 5.10.205-cip41 #1 <4>[ 96.882574] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 96.889368] Backtrace: <4>[ 96.892098] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 96.899937] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 <4>[ 96.905870] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 96.913456] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 96.920687] r9:00000009 r8:c08754dc r7:0000001c r6:00000009 r5:c08754dc r4:c1a29b24 <4>[ 96.928702] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 96.936452] r7:0000001c r6:c1a29b24 r5:c1a29b60 r4:c68d4000 <4>[ 96.942384] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) <4>[ 96.951698] r9:c1ad5b74 r8:c15ebd0c r7:c68d5f60 r6:00000020 r5:c4300000 r4:c68d4000 <4>[ 96.959716] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) <4>[ 96.970427] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x50/0x88) <4>[ 96.982437] [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 96.992702] r4:0000003a <4>[ 96.995506] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 97.003784] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 97.011970] r9:c68d5f60 r8:c307a6c0 r7:00000020 r6:b6e0d000 r5:c5adda40 r4:c0c57cf4 <4>[ 97.019989] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 97.028089] r9:c07e1b2c r8:c68d5f60 r7:c2815800 r6:b6e0d000 r5:c5adda40 r4:00000000 <4>[ 97.036102] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 97.043507] r10:00000004 r9:00000000 r8:00000000 r7:b6e0d000 r6:c68d4000 r5:c5adda40 <4>[ 97.051600] r4:c5adda40 <4>[ 97.054404] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 97.061809] r9:c68d4000 r8:c03002e4 r7:00000004 r6:b6f54e00 r5:00000020 r4:00000020 <4>[ 97.069823] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 97.077659] Exception stack(0xc68d5fa8 to 0xc68d5ff0) <4>[ 97.082979] 5fa0: 00000020 00000020 00000001 b6e0d000 00000020 00000000 <4>[ 97.091426] 5fc0: 00000020 00000020 b6f54e00 00000004 00000001 00000000 00020000 bef18ac4 <4>[ 97.099869] 5fe0: 00000004 bef187f8 b6ebed8f b6e457e6 <4>[ 97.105266] irq event stamp: 0 <4>[ 97.108602] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 97.114482] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 97.122270] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 97.130055] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 97.135900] ---[ end trace 6cad11b2953b10dc ]--- <6>[ 97.140814] lkdtm: Saturation detected: still saturated # [ 96.811872] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 96.819028] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 96.826136] ------------[ cut here ]------------ # [ 96.831118] WARNING: CPU: 3 PID: 3177 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 96.840055] refcount_t: underflow; use-after-free. # [ 96.845145] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm phy_generic snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched parallel_display imxdrm imx_ipu_v3 # [ 96.874562] CPU: 3 PID: 3177 Comm: cat Tainted: G D W 5.10.205-cip41 #1 # [ 96.882574] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 96.889368] Backtrace: # [ 96.892098] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 96.899937] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 96.905870] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 96.913456] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 96.920687] r9:00000009 r8:c08754dc r7:0000001c r6:00000009 r5:c08754dc r4:c1a29b24 # [ 96.928702] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 96.936452] r7:0000001c r6:c1a29b24 r5:c1a29b60 r4:c68d4000 # [ 96.942384] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 96.951698] r9:c1ad5b74 r8:c15ebd0c r7:c68d5f60 r6:00000020 r5:c4300000 r4:c68d4000 # [ 96.959716] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 96.970427] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x50/0x88) # [ 96.982437] [] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 96.992702] r4:0000003a # [ 96.995506] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 97.003784] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 97.011970] r9:c68d5f60 r8:c307a6c0 r7:00000020 r6:b6e0d000 r5:c5adda40 r4:c0c57cf4 # [ 97.019989] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 97.028089] r9:c07e1b2c r8:c68d5f60 r7:c2815800 r6:b6e0d000 r5:c5adda40 r4:00000000 # [ 97.036102] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 97.043507] r10:00000004 r9:00000000 r8:00000000 r7:b6e0d000 r6:c68d4000 r5:c5adda40 # [ 97.051600] r4:c5adda40 # [ 97.054404] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 97.061809] r9:c68d4000 r8:c03002e4 r7:00000004 r6:b6f54e00 r5:00000020 r4:00000020 # [ 97.069823] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 97.077659] Exception stack(0xc68d5fa8 to 0xc68d5ff0) # [ 97.082979] 5fa0: 00000020 00000020 00000001 b6e0d000 00000020 00000000 # [ 97.091426] 5fc0: 00000020 00000020 b6f54e00 00000004 00000001 00000000 00020000 bef18ac4 # [ 97.099869] 5fe0: 00000004 bef187f8 b6ebed8f b6e457e6 # [ 97.105266] irq event stamp: 0 # [ 97.108602] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 97.114482] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 97.122270] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 97.130055] softirqs last disabled at (0): [<00000000>] 0x0 # [ 97.135900] ---[ end trace 6cad11b2953b10dc ]--- # [ 97.140814] lkdtm: Saturation detected: still saturated # REFCOUNT_DEC_AND_TEST_SATURATED: saw 'Saturation detected: still saturated': ok ok 57 selftests: lkdtm: REFCOUNT_DEC_AND_TEST_SATURATED.sh # selftests: lkdtm: REFCOUNT_SUB_AND_TEST_SATURATED.sh <6>[ 97.626063] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED <6>[ 97.633287] lkdtm: attempting bad refcount_sub_and_test() from saturated <4>[ 97.640472] ------------[ cut here ]------------ <4>[ 97.645403] WARNING: CPU: 1 PID: 3213 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 <4>[ 97.654229] refcount_t: underflow; use-after-free. <4>[ 97.659292] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm phy_generic snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched parallel_display imxdrm imx_ipu_v3 <4>[ 97.688704] CPU: 1 PID: 3213 Comm: cat Tainted: G D W 5.10.205-cip41 #1 <4>[ 97.696715] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 97.703507] Backtrace: <4>[ 97.706237] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 97.714076] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 <4>[ 97.720008] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 97.727594] [] (dump_stack) from [] (__warn+0x98/0x14c) <4>[ 97.734826] r9:00000009 r8:c08754dc r7:0000001c r6:00000009 r5:c08754dc r4:c1a29b24 <4>[ 97.742840] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) <4>[ 97.750590] r7:0000001c r6:c1a29b24 r5:c1a29b60 r4:c4716000 <4>[ 97.756521] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) <4>[ 97.765835] r9:c1ad5b94 r8:c15ebd0c r7:c4717f60 r6:00000020 r5:c6beb000 r4:c4716000 <4>[ 97.773854] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) <4>[ 97.784566] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x50/0x88) <4>[ 97.796573] [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 97.806840] r4:0000003b <4>[ 97.809643] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 97.817923] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 97.826110] r9:c4717f60 r8:c307a6c0 r7:00000020 r6:b6dd1000 r5:c4726a00 r4:c0c57cf4 <4>[ 97.834129] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 97.842228] r9:c07e1b2c r8:c4717f60 r7:c2815800 r6:b6dd1000 r5:c4726a00 r4:00000000 <4>[ 97.850241] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 97.857645] r10:00000004 r9:00000000 r8:00000000 r7:b6dd1000 r6:c4716000 r5:c4726a00 <4>[ 97.865739] r4:c4726a00 <4>[ 97.868542] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 97.875947] r9:c4716000 r8:c03002e4 r7:00000004 r6:b6f18e00 r5:00000020 r4:00000020 <4>[ 97.883961] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 97.891797] Exception stack(0xc4717fa8 to 0xc4717ff0) <4>[ 97.897118] 7fa0: 00000020 00000020 00000001 b6dd1000 00000020 00000000 <4>[ 97.905563] 7fc0: 00000020 00000020 b6f18e00 00000004 00000001 00000000 00020000 beb40ac4 <4>[ 97.914006] 7fe0: 00000004 beb407f8 b6e82d8f b6e097e6 <4>[ 97.919357] irq event stamp: 0 <4>[ 97.922713] hardirqs last enabled at (0): [<00000000>] 0x0 <4>[ 97.928564] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 97.936365] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac <4>[ 97.944164] softirqs last disabled at (0): [<00000000>] 0x0 <4>[ 97.950074] ---[ end trace 6cad11b2953b10dd ]--- <6>[ 97.954972] lkdtm: Saturation detected: still saturated # [ 97.626063] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 97.633287] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 97.640472] ------------[ cut here ]------------ # [ 97.645403] WARNING: CPU: 1 PID: 3213 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 # [ 97.654229] refcount_t: underflow; use-after-free. # [ 97.659292] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm phy_generic snd_timer snd soundcore caam error flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched parallel_display imxdrm imx_ipu_v3 # [ 97.688704] CPU: 1 PID: 3213 Comm: cat Tainted: G D W 5.10.205-cip41 #1 # [ 97.696715] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 97.703507] Backtrace: # [ 97.706237] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 97.714076] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 97.720008] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 97.727594] [] (dump_stack) from [] (__warn+0x98/0x14c) # [ 97.734826] r9:00000009 r8:c08754dc r7:0000001c r6:00000009 r5:c08754dc r4:c1a29b24 # [ 97.742840] [] (__warn) from [] (warn_slowpath_fmt+0x8c/0xa8) # [ 97.750590] r7:0000001c r6:c1a29b24 r5:c1a29b60 r4:c4716000 # [ 97.756521] [] (warn_slowpath_fmt) from [] (refcount_warn_saturate+0x13c/0x174) # [ 97.765835] r9:c1ad5b94 r8:c15ebd0c r7:c4717f60 r6:00000020 r5:c6beb000 r4:c4716000 # [ 97.773854] [] (refcount_warn_saturate) from [] (__refcount_sub_and_test.constprop.0+0x64/0x6c) # [ 97.784566] [] (__refcount_sub_and_test.constprop.0) from [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x50/0x88) # [ 97.796573] [] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED) from [] (lkdtm_do_action+0x2c/0x4c) # [ 97.806840] r4:0000003b # [ 97.809643] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 97.817923] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 97.826110] r9:c4717f60 r8:c307a6c0 r7:00000020 r6:b6dd1000 r5:c4726a00 r4:c0c57cf4 # [ 97.834129] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 97.842228] r9:c07e1b2c r8:c4717f60 r7:c2815800 r6:b6dd1000 r5:c4726a00 r4:00000000 # [ 97.850241] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 97.857645] r10:00000004 r9:00000000 r8:00000000 r7:b6dd1000 r6:c4716000 r5:c4726a00 # [ 97.865739] r4:c4726a00 # [ 97.868542] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 97.875947] r9:c4716000 r8:c03002e4 r7:00000004 r6:b6f18e00 r5:00000020 r4:00000020 # [ 97.883961] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 97.891797] Exception stack(0xc4717fa8 to 0xc4717ff0) # [ 97.897118] 7fa0: 00000020 00000020 00000001 b6dd1000 00000020 00000000 # [ 97.905563] 7fc0: 00000020 00000020 b6f18e00 00000004 00000001 00000000 00020000 beb40ac4 # [ 97.914006] 7fe0: 00000004 beb407f8 b6e82d8f b6e097e6 # [ 97.919357] irq event stamp: 0 # [ 97.922713] hardirqs last enabled at (0): [<00000000>] 0x0 # [ 97.928564] hardirqs last disabled at (0): [] copy_process+0x5f8/0x1dac # [ 97.936365] softirqs last enabled at (0): [] copy_process+0x5f8/0x1dac # [ 97.944164] softirqs last disabled at (0): [<00000000>] 0x0 # [ 97.950074] ---[ end trace 6cad11b2953b10dd ]--- # [ 97.954972] lkdtm: Saturation detected: still saturated # REFCOUNT_SUB_AND_TEST_SATURATED: saw 'Saturation detected: still saturated': ok ok 58 selftests: lkdtm: REFCOUNT_SUB_AND_TEST_SATURATED.sh # selftests: lkdtm: REFCOUNT_TIMING.sh # Skipping REFCOUNT_TIMING: timing only ok 59 selftests: lkdtm: REFCOUNT_TIMING.sh # SKIP # selftests: lkdtm: ATOMIC_TIMING.sh # Skipping ATOMIC_TIMING: timing only ok 60 selftests: lkdtm: ATOMIC_TIMING.sh # SKIP # selftests: lkdtm: USERCOPY_HEAP_SIZE_TO.sh <6>[ 98.778854] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO <6>[ 98.785211] lkdtm: attempting good copy_to_user of correct size <6>[ 98.791651] lkdtm: attempting bad copy_to_user of too large size # [ 98.778854] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 98.785211] lkdtm: attempting good copy_to_user of correct size # [ 98.791651] lkdtm: attempting bad copy_to_user of too large size # USERCOPY_HEAP_SIZE_TO: missing 'call trace:': [FAIL] not ok 61 selftests: lkdtm: USERCOPY_HEAP_SIZE_TO.sh # exit=1 # selftests: lkdtm: USERCOPY_HEAP_SIZE_FROM.sh <6>[ 99.235713] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM <6>[ 99.242267] lkdtm: attempting good copy_from_user of correct size <6>[ 99.248659] lkdtm: attempting bad copy_from_user of too large size # [ 99.235713] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 99.242267] lkdtm: attempting good copy_from_user of correct size # [ 99.248659] lkdtm: attempting bad copy_from_user of too large size # USERCOPY_HEAP_SIZE_FROM: missing 'call trace:': [FAIL] not ok 62 selftests: lkdtm: USERCOPY_HEAP_SIZE_FROM.sh # exit=1 # selftests: lkdtm: USERCOPY_HEAP_WHITELIST_TO.sh <6>[ 99.679408] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO <6>[ 99.686208] lkdtm: attempting good copy_to_user inside whitelist <6>[ 99.692686] lkdtm: attempting bad copy_to_user outside whitelist # [ 99.679408] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 99.686208] lkdtm: attempting good copy_to_user inside whitelist # [ 99.692686] lkdtm: attempting bad copy_to_user outside whitelist # USERCOPY_HEAP_WHITELIST_TO: missing 'call trace:': [FAIL] not ok 63 selftests: lkdtm: USERCOPY_HEAP_WHITELIST_TO.sh # exit=1 # selftests: lkdtm: USERCOPY_HEAP_WHITELIST_FROM.sh <6>[ 100.136643] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM <6>[ 100.143638] lkdtm: attempting good copy_from_user inside whitelist <6>[ 100.150236] lkdtm: attempting bad copy_from_user outside whitelist # [ 100.136643] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 100.143638] lkdtm: attempting good copy_from_user inside whitelist # [ 100.150236] lkdtm: attempting bad copy_from_user outside whitelist # USERCOPY_HEAP_WHITELIST_FROM: missing 'call trace:': [FAIL] not ok 64 selftests: lkdtm: USERCOPY_HEAP_WHITELIST_FROM.sh # exit=1 # selftests: lkdtm: USERCOPY_STACK_FRAME_TO.sh <6>[ 100.595233] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO <6>[ 100.601760] lkdtm: good_stack: c5ac3e0c-c5ac3e2c <6>[ 100.606655] lkdtm: bad_stack : c5ac3d84-c5ac3da4 <6>[ 100.611682] lkdtm: attempting good copy_to_user of local stack <6>[ 100.617851] lkdtm: attempting bad copy_to_user of distant stack # [ 100.595233] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 100.601760] lkdtm: good_stack: c5ac3e0c-c5ac3e2c # [ 100.606655] lkdtm: bad_stack : c5ac3d84-c5ac3da4 # [ 100.611682] lkdtm: attempting good copy_to_user of local stack # [ 100.617851] lkdtm: attempting bad copy_to_user of distant stack # USERCOPY_STACK_FRAME_TO: missing 'call trace:': [FAIL] not ok 65 selftests: lkdtm: USERCOPY_STACK_FRAME_TO.sh # exit=1 # selftests: lkdtm: USERCOPY_STACK_FRAME_FROM.sh <6>[ 101.056109] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM <6>[ 101.062829] lkdtm: good_stack: c6be3e0c-c6be3e2c <6>[ 101.067723] lkdtm: bad_stack : c6be3d84-c6be3da4 <6>[ 101.072699] lkdtm: attempting good copy_from_user of local stack <6>[ 101.080451] lkdtm: attempting bad copy_from_user of distant stack # [ 101.056109] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 101.062829] lkdtm: good_stack: c6be3e0c-c6be3e2c # [ 101.067723] lkdtm: bad_stack : c6be3d84-c6be3da4 # [ 101.072699] lkdtm: attempting good copy_from_user of local stack # [ 101.080451] lkdtm: attempting bad copy_from_user of distant stack # USERCOPY_STACK_FRAME_FROM: missing 'call trace:': [FAIL] not ok 66 selftests: lkdtm: USERCOPY_STACK_FRAME_FROM.sh # exit=1 # selftests: lkdtm: USERCOPY_STACK_BEYOND.sh <6>[ 101.526429] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND <6>[ 101.532845] lkdtm: good_stack: c6c27e0c-c6c27e2c <6>[ 101.537764] lkdtm: bad_stack : c6c27ffc-c6c2801c <6>[ 101.542709] lkdtm: attempting good copy_to_user of local stack <6>[ 101.548859] lkdtm: attempting bad copy_to_user of distant stack # [ 101.526429] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 101.532845] lkdtm: good_stack: c6c27e0c-c6c27e2c # [ 101.537764] lkdtm: bad_stack : c6c27ffc-c6c2801c # [ 101.542709] lkdtm: attempting good copy_to_user of local stack # [ 101.548859] lkdtm: attempting bad copy_to_user of distant stack # USERCOPY_STACK_BEYOND: missing 'call trace:': [FAIL] not ok 67 selftests: lkdtm: USERCOPY_STACK_BEYOND.sh # exit=1 # selftests: lkdtm: USERCOPY_KERNEL.sh <6>[ 101.992389] lkdtm: Performing direct entry USERCOPY_KERNEL <6>[ 101.998175] lkdtm: attempting good copy_to_user from kernel rodata: c15ebfb8 <6>[ 102.005620] lkdtm: attempting bad copy_to_user from kernel text: c053da74 <3>[ 102.012808] lkdtm: FAIL: survived bad copy_to_user() # [ 101.992389] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 101.998175] lkdtm: attempting good copy_to_user from kernel rodata: c15ebfb8 # [ 102.005620] lkdtm: attempting bad copy_to_user from kernel text: c053da74 # [ 102.012808] lkdtm: FAIL: survived bad copy_to_user() # USERCOPY_KERNEL: missing 'call trace:': [FAIL] not ok 68 selftests: lkdtm: USERCOPY_KERNEL.sh # exit=1 # selftests: lkdtm: STACKLEAK_ERASING.sh <6>[ 102.462958] lkdtm: Performing direct entry STACKLEAK_ERASING <6>[ 102.468900] lkdtm: checking unused part of the thread stack (7732 bytes)... <3>[ 102.476245] lkdtm: FAIL: the erased part is not found (checked 7732 bytes) <3>[ 102.483434] lkdtm: FAIL: the thread stack is NOT properly erased <4>[ 102.489762] CPU: 0 PID: 3589 Comm: cat Tainted: G D W 5.10.205-cip41 #1 <4>[ 102.497772] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 102.504563] Backtrace: <4>[ 102.507296] [] (dump_backtrace) from [] (show_stack+0x20/0x24) <4>[ 102.515136] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 <4>[ 102.521068] [] (show_stack) from [] (dump_stack+0xe0/0x100) <4>[ 102.528654] [] (dump_stack) from [] (lkdtm_STACKLEAK_ERASING+0x148/0x174) <4>[ 102.537449] r9:c1ad5c9c r8:c15ebd0c r7:c5c83f60 r6:c5c83e34 r5:c5c82000 r4:0000078d <4>[ 102.545468] [] (lkdtm_STACKLEAK_ERASING) from [] (lkdtm_do_action+0x2c/0x4c) <4>[ 102.554522] r8:c15ebd0c r7:c5c83f60 r6:00000012 r5:c6807000 r4:00000046 <4>[ 102.561491] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) <4>[ 102.569770] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) <4>[ 102.577956] r9:c5c83f60 r8:c307a6c0 r7:00000012 r6:b6e9c000 r5:c6ad1400 r4:c0c57cf4 <4>[ 102.585975] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) <4>[ 102.594074] r9:c07e1b2c r8:c5c83f60 r7:c2815800 r6:b6e9c000 r5:c6ad1400 r4:00000000 <4>[ 102.602087] [] (vfs_write) from [] (ksys_write+0x74/0xec) <4>[ 102.609491] r10:00000004 r9:00000000 r8:00000000 r7:b6e9c000 r6:c5c82000 r5:c6ad1400 <4>[ 102.617585] r4:c6ad1400 <4>[ 102.620389] [] (ksys_write) from [] (sys_write+0x18/0x1c) <4>[ 102.627793] r9:c5c82000 r8:c03002e4 r7:00000004 r6:b6fe3e00 r5:00000012 r4:00000012 <4>[ 102.635808] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) <4>[ 102.643643] Exception stack(0xc5c83fa8 to 0xc5c83ff0) <4>[ 102.648964] 3fa0: 00000012 00000012 00000001 b6e9c000 00000012 00000000 <4>[ 102.657412] 3fc0: 00000012 00000012 b6fe3e00 00000004 00000001 00000000 00020000 beb42ac4 <4>[ 102.665854] 3fe0: 00000004 beb427f8 b6f4dd8f b6ed47e6 # [ 102.462958] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 102.468900] lkdtm: checking unused part of the thread stack (7732 bytes)... # [ 102.476245] lkdtm: FAIL: the erased part is not found (checked 7732 bytes) # [ 102.483434] lkdtm: FAIL: the thread stack is NOT properly erased # [ 102.489762] CPU: 0 PID: 3589 Comm: cat Tainted: G D W 5.10.205-cip41 #1 # [ 102.497772] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) # [ 102.504563] Backtrace: # [ 102.507296] [] (dump_backtrace) from [] (show_stack+0x20/0x24) # [ 102.515136] r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8 # [ 102.521068] [] (show_stack) from [] (dump_stack+0xe0/0x100) # [ 102.528654] [] (dump_stack) from [] (lkdtm_STACKLEAK_ERASING+0x148/0x174) # [ 102.537449] r9:c1ad5c9c r8:c15ebd0c r7:c5c83f60 r6:c5c83e34 r5:c5c82000 r4:0000078d # [ 102.545468] [] (lkdtm_STACKLEAK_ERASING) from [] (lkdtm_do_action+0x2c/0x4c) # [ 102.554522] r8:c15ebd0c r7:c5c83f60 r6:00000012 r5:c6807000 r4:00000046 # [ 102.561491] [] (lkdtm_do_action) from [] (direct_entry+0x120/0x18c) # [ 102.569770] [] (direct_entry) from [] (full_proxy_write+0x64/0x94) # [ 102.577956] r9:c5c83f60 r8:c307a6c0 r7:00000012 r6:b6e9c000 r5:c6ad1400 r4:c0c57cf4 # [ 102.585975] [] (full_proxy_write) from [] (vfs_write+0x10c/0x53c) # [ 102.594074] r9:c07e1b2c r8:c5c83f60 r7:c2815800 r6:b6e9c000 r5:c6ad1400 r4:00000000 # [ 102.602087] [] (vfs_write) from [] (ksys_write+0x74/0xec) # [ 102.609491] r10:00000004 r9:00000000 r8:00000000 r7:b6e9c000 r6:c5c82000 r5:c6ad1400 # [ 102.617585] r4:c6ad1400 # [ 102.620389] [] (ksys_write) from [] (sys_write+0x18/0x1c) # [ 102.627793] r9:c5c82000 r8:c03002e4 r7:00000004 r6:b6fe3e00 r5:00000012 r4:00000012 # [ 102.635808] [] (sys_write) from [] (ret_fast_syscall+0x0/0x28) # [ 102.643643] Exception stack(0xc5c83fa8 to 0xc5c83ff0) # [ 102.648964] 3fa0: 00000012 00000012 00000001 b6e9c000 00000012 00000000 # [ 102.657412] 3fc0: 00000012 00000012 b6fe3e00 00000004 00000001 00000000 00020000 beb42ac4 # [ 102.665854] 3fe0: 00000004 beb427f8 b6f4dd8f b6ed47e6 # STACKLEAK_ERASING: missing 'OK: the rest of the thread stack is properly erased': [FAIL] not ok 69 selftests: lkdtm: STACKLEAK_ERASING.sh # exit=1 # selftests: lkdtm: CFI_FORWARD_PROTO.sh <6>[ 103.119173] lkdtm: Performing direct entry CFI_FORWARD_PROTO <6>[ 103.125164] lkdtm: Calling matched prototype ... <6>[ 103.130106] lkdtm: Calling mismatched prototype ... <6>[ 103.135256] lkdtm: Fail: survived mismatched prototype function call! # [ 103.119173] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 103.125164] lkdtm: Calling matched prototype ... # [ 103.130106] lkdtm: Calling mismatched prototype ... # [ 103.135256] lkdtm: Fail: survived mismatched prototype function call! # CFI_FORWARD_PROTO: missing 'call trace:': [FAIL] not ok 70 selftests: lkdtm: CFI_FORWARD_PROTO.sh # exit=1 lkdtm_PANIC_sh_selftests_lkdtm_panic_sh skip lkdtm_BUG_sh pass lkdtm_WARNING_sh pass lkdtm_WARNING_MESSAGE_sh pass lkdtm_EXCEPTION_sh fail lkdtm_LOOP_sh_selftests_lkdtm_loop_sh skip lkdtm_EXHAUST_STACK_sh_selftests_lkdtm_exhaust_stack_sh skip lkdtm_CORRUPT_STACK_sh_selftests_lkdtm_corrupt_stack_sh skip lkdtm_CORRUPT_STACK_STRONG_sh_selftests_lkdtm_corrupt_stack_strong_sh skip lkdtm_CORRUPT_LIST_ADD_sh fail lkdtm_CORRUPT_LIST_DEL_sh fail lkdtm_STACK_GUARD_PAGE_LEADING_sh fail lkdtm_STACK_GUARD_PAGE_TRAILING_sh fail lkdtm_UNSET_SMEP_sh_selftests_lkdtm_unset_smep_sh skip lkdtm_DOUBLE_FAULT_sh_selftests_lkdtm_double_fault_sh skip lkdtm_CORRUPT_PAC_sh_selftests_lkdtm_corrupt_pac_sh skip lkdtm_UNALIGNED_LOAD_STORE_WRITE_sh_selftests_lkdtm_unaligned_load_store_write_sh skip lkdtm_OVERWRITE_ALLOCATION_sh_selftests_lkdtm_overwrite_allocation_sh skip lkdtm_WRITE_AFTER_FREE_sh_selftests_lkdtm_write_after_free_sh skip lkdtm_READ_AFTER_FREE_sh fail lkdtm_WRITE_BUDDY_AFTER_FREE_sh_selftests_lkdtm_write_buddy_after_free_sh skip lkdtm_READ_BUDDY_AFTER_FREE_sh fail lkdtm_SLAB_FREE_DOUBLE_sh fail lkdtm_SLAB_FREE_CROSS_sh fail lkdtm_SLAB_FREE_PAGE_sh fail lkdtm_SOFTLOCKUP_sh_selftests_lkdtm_softlockup_sh skip lkdtm_HARDLOCKUP_sh_selftests_lkdtm_hardlockup_sh skip lkdtm_SPINLOCKUP_sh_selftests_lkdtm_spinlockup_sh skip lkdtm_HUNG_TASK_sh_selftests_lkdtm_hung_task_sh skip lkdtm_EXEC_DATA_sh fail lkdtm_EXEC_STACK_sh fail lkdtm_EXEC_KMALLOC_sh fail lkdtm_EXEC_VMALLOC_sh fail lkdtm_EXEC_RODATA_sh fail lkdtm_EXEC_USERSPACE_sh fail lkdtm_EXEC_NULL_sh fail lkdtm_ACCESS_USERSPACE_sh fail lkdtm_ACCESS_NULL_sh fail lkdtm_WRITE_RO_sh fail lkdtm_WRITE_RO_AFTER_INIT_sh fail lkdtm_WRITE_KERN_sh fail lkdtm_REFCOUNT_INC_OVERFLOW_sh fail lkdtm_REFCOUNT_ADD_OVERFLOW_sh fail lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW_sh fail lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW_sh fail lkdtm_REFCOUNT_DEC_ZERO_sh fail lkdtm_REFCOUNT_DEC_NEGATIVE_sh pass lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE_sh pass lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE_sh pass lkdtm_REFCOUNT_INC_ZERO_sh fail lkdtm_REFCOUNT_ADD_ZERO_sh fail lkdtm_REFCOUNT_INC_SATURATED_sh pass lkdtm_REFCOUNT_DEC_SATURATED_sh pass lkdtm_REFCOUNT_ADD_SATURATED_sh pass lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED_sh fail lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED_sh fail lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED_sh pass lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED_sh pass lkdtm_REFCOUNT_TIMING_sh_selftests_lkdtm_refcount_timing_sh skip lkdtm_ATOMIC_TIMING_sh_selftests_lkdtm_atomic_timing_sh skip lkdtm_USERCOPY_HEAP_SIZE_TO_sh fail lkdtm_USERCOPY_HEAP_SIZE_FROM_sh fail lkdtm_USERCOPY_HEAP_WHITELIST_TO_sh fail lkdtm_USERCOPY_HEAP_WHITELIST_FROM_sh fail lkdtm_USERCOPY_STACK_FRAME_TO_sh fail lkdtm_USERCOPY_STACK_FRAME_FROM_sh fail lkdtm_USERCOPY_STACK_BEYOND_sh fail lkdtm_USERCOPY_KERNEL_sh fail lkdtm_STACKLEAK_ERASING_sh fail lkdtm_CFI_FORWARD_PROTO_sh fail + ../../utils/send-to-lava.sh ./output/result.txt + set +x / #