Trying 127.0.0.1... Connected to 127.0.0.1. Escape character is '^]'. �� ARM V2M-Juno Boot loader v1.0.0 HBI0262 build 2068 ARM V2M_Juno Firmware v1.5.1 Build Date: Apr 3 2019 Time : 01:17:49 Date : 29:06:2022 Press Enter to stop auto boot... Powering up system... Switching on ATXPSU... PMIC RAM configuration (pms_v103.bin)... MBtemp : 37 degC Configuring motherboard (rev B, var A)... IOFPGA image \MB\HBI0262B\io_b118.bit IOFPGA config: PASSED OSC CLK config: PASSED Configuring SCC registers... Writing SCC 0x00000054 with 0x0007FFFE Writing SCC 0x0000005C with 0x00FE001E Writing SCC 0x00000100 with 0x003F1000 Writing SCC 0x00000104 with 0x0001F300 Writing SCC 0x00000108 with 0x00371000 Writing SCC 0x0000010C with 0x0001B300 Writing SCC 0x00000118 with 0x003F1000 Writing SCC 0x0000011C with 0x0001F100 Writing SCC 0x000000F8 with 0x0BEC0000 Writing SCC 0x000000FC with 0xABE40000 Writing SCC 0x0000000C with 0x000000C2 Writing SCC 0x00000010 with 0x000000C2 Peripheral ID0:0x000000AD Peripheral ID1:0x000000B0 Peripheral ID2:0x0000000B Peripheral ID3:0x00000000 Peripheral ID4:0x0000000D Peripheral ID5:0x000000F0 Peripheral ID6:0x00000005 Peripheral ID7:0x000000B1 Programming NOR Flash PCIE clock configured... Testing motherboard interfaces (FPGA build 118)... SRAM 32MB test: PASSED LAN9118 test: PASSED ERROR: SMC USB SRAM mode lock SMC USB test: FAILED KMI1/2 test: PASSED MMC test: PASSED PB/LEDs test: PASSED FPGA UART test: PASSED PCIe init test: PASSED MAC addrs test: PASSED SMC MAC address 0002-F700-584D Setting HDMI0 mode for SVGA. Setting HDMI1 mode for SVGA. SoC SMB clock enabled. Testing SMB clock... SMB clock running Releasing system resets... UART0 set to SoC UART0 UART1 set to SoC UART1 NOTICE: Booting Trusted Firmware NOTICE: BL1: v2.1(release):v2.2-rc0 NOTICE: BL1: Built : 02:01:47, Apr 13 2022 NOTICE: BL1: Booting BL2 NOTICE: BL2: v2.1(release):v2.2-rc0 NOTICE: BL2: Built : 02:01:49, Apr 13 2022 NOTICE: BL1: Booting BL31 NOTICE: BL31: v2.1(release):v2.2-rc0 NOTICE: BL31: Built : 02:01:52, Apr 13 2022 U-Boot 2022.04-00567-gb2a22b2c9f-dirty (Apr 14 2022 - 01:11:52 +0100) vexpress_aemv8a DRAM: 8 GiB PCIe XR3 Host Bridge enabled: x4 link (Gen 2) Core: 21 devices, 8 uclasses, devicetree: board Flash: 64 MiB Loading Environment from Flash... *** Warning - bad CRC, using default environment In: serial@7ff80000 Out: serial@7ff80000 Err: serial@7ff80000 Net: eth0: ethernet@200000000 Hit any key to stop autoboot: 1  0 VExpress64# setenv autoload no setenv autoload no VExpress64# setenv initrd_high 0xffffffffffffffff setenv initrd_high 0xffffffffffffffff VExpress64# setenv fdt_high 0xffffffffffffffff setenv fdt_high 0xffffffffffffffff VExpress64# dhcp dhcp smc911x: detected LAN9118 controller smc911x: phy initialized smc911x: MAC 00:02:f7:00:58:4d BOOTP broadcast 1 BOOTP broadcast 2 BOOTP broadcast 3 BOOTP broadcast 4 BOOTP broadcast 5 DHCP client bound to address 192.168.56.208 (3783 ms) smc911x: MAC 00:02:f7:00:58:4d VExpress64# setenv serverip 192.168.56.230 setenv serverip 192.168.56.230 VExpress64# tftp 0x80200000 255250/tftp-deploy-pbw8itkr/kernel/uImage tftp 0x80200000 255250/tftp-deploy-pbw8itkr/kernel/uImage smc911x: detected LAN9118 controller smc911x: phy initialized smc911x: MAC 00:02:f7:00:58:4d Using ethernet@200000000 device TFTP from server 192.168.56.230; our IP address is 192.168.56.208 Filename '255250/tftp-deploy-pbw8itkr/kernel/uImage'. Load address: 0x80200000 Loading: *################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ############################ 1.9 MiB/s done Bytes transferred = 44302912 (2a40240 hex) smc911x: MAC 00:02:f7:00:58:4d VExpress64# tftp 0x8fe00000 255250/tftp-deploy-pbw8itkr/ramdisk/ramdisk.cpio.gz.uboot tftp 0x8fe00000 255250/tftp-deploy-pbw8itkr/ramdisk/ramdisk.cpio.gz.uboot smc911x: detected LAN9118 controller smc911x: phy initialized smc911x: MAC 00:02:f7:00:58:4d Using ethernet@200000000 device TFTP from server 192.168.56.230; our IP address is 192.168.56.208 Filename '255250/tftp-deploy-pbw8itkr/ramdisk/ramdisk.cpio.gz.uboot'. Load address: 0x8fe00000 Loading: *################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################# 1.4 MiB/s done Bytes transferred = 17881771 (110daab hex) smc911x: MAC 00:02:f7:00:58:4d VExpress64# setenv initrd_size ${filesize} setenv initrd_size ${filesize} VExpress64# tftp 0x8fc00000 255250/tftp-deploy-pbw8itkr/dtb/juno.dtb tftp 0x8fc00000 255250/tftp-deploy-pbw8itkr/dtb/juno.dtb smc911x: detected LAN9118 controller smc911x: phy initialized smc911x: MAC 00:02:f7:00:58:4d Using ethernet@200000000 device TFTP from server 192.168.56.230; our IP address is 192.168.56.208 Filename '255250/tftp-deploy-pbw8itkr/dtb/juno.dtb'. Load address: 0x8fc00000 Loading: *## 3.9 KiB/s done Bytes transferred = 23786 (5cea hex) smc911x: MAC 00:02:f7:00:58:4d VExpress64# setenv bootargs 'console=ttyAMA0,115200n8 root=/dev/nfs rw nfsroot=192.168.56.230:/var/lib/lava/dispatcher/tmp/255250/extract-nfsrootfs-ln56bxn_,tcp,hard,vers=3 earlycon=pl011,0x7ff80000 ip=dhcp' setenv bootargs 'console=ttyAMA0,115200n8 root=/dev/nfs rw nfsroot=192.168.56.230:/var/lib/lava/dispatcher/tmp/255250/extract-nfsrootfs-ln56bxn_,tcp,hard,vers=3 earlycon=pl011,0x7ff80000 ip=dhcp' VExpress64# bootm 0x80200000 0x8fe00000 0x8fc00000 bootm 0x80200000 0x8fe00000 0x8fc00000 ## Booting kernel from Legacy Image at 80200000 ... Image Name: Image Type: AArch64 Linux Kernel Image (uncompressed) Data Size: 44302848 Bytes = 42.3 MiB Load Address: 80200000 Entry Point: 80200000 Verifying Checksum ... OK ## Loading init Ramdisk from Legacy Image at 8fe00000 ... Image Name: Image Type: AArch64 Linux RAMDisk Image (uncompressed) Data Size: 17881707 Bytes = 17.1 MiB Load Address: 00000000 Entry Point: 00000000 Verifying Checksum ... OK ## Flattened Device Tree blob at 8fc00000 Booting using the fdt blob at 0x8fc00000 Loading Kernel Image Using Device Tree in place at 000000008fc00000, end 000000008fc08ce9 Starting kernel ... [ 0.000000] Booting Linux on physical CPU 0x0000000100 [0x410fd030] [ 0.000000] Linux version 5.10.125-cip10 (KernelCI@build-j267382-arm64-gcc-10-defconfig-kselftest-nmnd2) (aarch64-linux-gnu-gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP PREEMPT Tue Jun 28 03:21:11 UTC 2022 [ 0.000000] Machine model: ARM Juno development board (r0) [ 0.000000] earlycon: pl11 at MMIO 0x000000007ff80000 (options '') [ 0.000000] printk: bootconsole [pl11] enabled [ 0.000000] efi: UEFI not found. [ 0.000000] NUMA: No NUMA configuration found [ 0.000000] NUMA: Faking a node at [mem 0x0000000080000000-0x00000009ffffffff] [ 0.000000] NUMA: NODE_DATA [mem 0x9fefdc7c0-0x9fefdefff] [ 0.000000] Zone ranges: [ 0.000000] DMA [mem 0x0000000080000000-0x00000000ffffffff] [ 0.000000] DMA32 empty [ 0.000000] Normal [mem 0x0000000100000000-0x00000009ffffffff] [ 0.000000] Movable zone start for each node [ 0.000000] Early memory node ranges [ 0.000000] node 0: [mem 0x0000000080000000-0x00000000feffffff] [ 0.000000] node 0: [mem 0x0000000880000000-0x00000009ffffffff] [ 0.000000] Initmem setup node 0 [mem 0x0000000080000000-0x00000009ffffffff] [ 0.000000] cma: Reserved 32 MiB at 0x00000000fd000000 [ 0.000000] psci: probing for conduit method from DT. [ 0.000000] psci: PSCIv1.1 detected in firmware. [ 0.000000] psci: Using standard PSCI v0.2 function IDs [ 0.000000] psci: MIGRATE_INFO_TYPE not supported. [ 0.000000] psci: SMC Calling Convention v1.1 [ 0.000000] percpu: Embedded 34 pages/cpu s100944 r8192 d30128 u139264 [ 0.000000] Detected VIPT I-cache on CPU0 [ 0.000000] CPU features: detected: ARM errata 826319, 827319, 824069, or 819472 [ 0.000000] CPU features: detected: ARM erratum 845719 [ 0.000000] CPU features: detected: ARM erratum 843419 [ 0.000000] Built 1 zonelists, mobility grouping on. Total pages: 2060288 [ 0.000000] Policy zone: Normal [ 0.000000] Kernel command line: console=ttyAMA0,115200n8 root=/dev/nfs rw nfsroot=192.168.56.230:/var/lib/lava/dispatcher/tmp/255250/extract-nfsrootfs-ln56bxn_,tcp,hard,vers=3 earlycon=pl011,0x7ff80000 ip=dhcp [ 0.000000] Dentry cache hash table entries: 1048576 (order: 11, 8388608 bytes, linear) [ 0.000000] Inode-cache hash table entries: 524288 (order: 10, 4194304 bytes, linear) [ 0.000000] mem auto-init: stack:off, heap alloc:off, heap free:off [ 0.000000] software IO TLB: mapped [mem 0x00000000f9000000-0x00000000fd000000] (64MB) [ 0.000000] Memory: 8040740K/8372224K available (19264K kernel code, 4544K rwdata, 9492K rodata, 9856K init, 11277K bss, 298716K reserved, 32768K cma-reserved) [ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=6, Nodes=1 [ 0.000000] ftrace: allocating 59085 entries in 231 pages [ 0.000000] ftrace: allocated 231 pages with 6 groups [ 0.000000] Running RCU self tests [ 0.000000] rcu: Preemptible hierarchical RCU implementation. [ 0.000000] rcu: RCU event tracing is enabled. [ 0.000000] rcu: RCU lockdep checking is enabled. [ 0.000000] rcu: RCU restricting CPUs from NR_CPUS=256 to nr_cpu_ids=6. [ 0.000000] Trampoline variant of Tasks RCU enabled. [ 0.000000] Rude variant of Tasks RCU enabled. [ 0.000000] Tracing variant of Tasks RCU enabled. [ 0.000000] rcu: RCU calculated value of scheduler-enlistment delay is 25 jiffies. [ 0.000000] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=6 [ 0.000000] NR_IRQS: 64, nr_irqs: 64, preallocated irqs: 0 [ 0.000000] GIC: Using split EOI/Deactivate mode [ 0.000000] GICv2m: range[mem 0x2c1c0000-0x2c1cffff], SPI[224:255] [ 0.000000] GICv2m: range[mem 0x2c1d0000-0x2c1dffff], SPI[256:287] [ 0.000000] GICv2m: range[mem 0x2c1e0000-0x2c1effff], SPI[288:319] [ 0.000000] GICv2m: range[mem 0x2c1f0000-0x2c1fffff], SPI[320:351] [ 0.000000] sp804: timer clock not found: -517 [ 0.000000] sp804: arm,sp804 clock not found: -2 [ 0.000000] Failed to initialize '/bus@8000000/motherboard-bus/iofpga-bus@300000000/timer@110000': -22 [ 0.000000] sp804: timer clock not found: -517 [ 0.000000] sp804: arm,sp804 clock not found: -2 [ 0.000000] Failed to initialize '/bus@8000000/motherboard-bus/iofpga-bus@300000000/timer@120000': -22 [ 0.000000] arch_timer: cp15 timer(s) running at 50.00MHz (phys). [ 0.000000] clocksource: arch_sys_counter: mask: 0xffffffffffffff max_cycles: 0xb8812736b, max_idle_ns: 440795202655 ns [ 0.000008] sched_clock: 56 bits at 50MHz, resolution 20ns, wraps every 4398046511100ns [ 0.009642] Console: colour dummy device 80x25 [ 0.014261] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 0.022175] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 0.026384] ... MAX_LOCK_DEPTH: 48 [ 0.030681] ... MAX_LOCKDEP_KEYS: 8192 [ 0.035152] ... CLASSHASH_SIZE: 4096 [ 0.039623] ... MAX_LOCKDEP_ENTRIES: 32768 [ 0.044183] ... MAX_LOCKDEP_CHAINS: 65536 [ 0.048743] ... CHAINHASH_SIZE: 32768 [ 0.053303] memory used by lock dependency info: 6365 kB [ 0.058832] memory used for stack traces: 4224 kB [ 0.063745] per task-struct memory footprint: 1920 bytes [ 0.069498] Calibrating delay loop (skipped), value calculated using timer frequency.. 100.00 BogoMIPS (lpj=200000) [ 0.080176] pid_max: default: 32768 minimum: 301 [ 0.085370] LSM: Security Framework initializing [ 0.090201] LSM support for eBPF active [ 0.094356] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes, linear) [ 0.102137] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes, linear) [ 0.124521] rcu: Hierarchical SRCU implementation. [ 0.140632] EFI services will not be available. [ 0.147646] smp: Bringing up secondary CPUs ... [ 0.156942] CPU features: detected: ARM erratum 832075 [ 0.156951] CPU features: detected: ARM erratum 834220 [ 0.156959] CPU features: detected: EL2 vector hardening [ 0.156974] CPU features: detected: Spectre-v2 [ 0.156986] CPU features: detected: ARM errata 1165522, 1319367, or 1530923 [ 0.156995] CPU features: detected: Spectre-BHB [ 0.157004] Detected PIPT I-cache on CPU1 [ 0.157087] CPU1: Booted secondary processor 0x0000000000 [0x410fd070] [ 0.161953] Detected PIPT I-cache on CPU2 [ 0.162003] CPU2: Booted secondary processor 0x0000000001 [0x410fd070] [ 0.166809] Detected VIPT I-cache on CPU3 [ 0.166905] CPU3: Booted secondary processor 0x0000000101 [0x410fd030] [ 0.171854] Detected VIPT I-cache on CPU4 [ 0.171933] CPU4: Booted secondary processor 0x0000000102 [0x410fd030] [ 0.176883] Detected VIPT I-cache on CPU5 [ 0.176959] CPU5: Booted secondary processor 0x0000000103 [0x410fd030] [ 0.177997] smp: Brought up 1 node, 6 CPUs [ 0.268794] SMP: Total of 6 processors activated. [ 0.273698] CPU features: detected: 32-bit EL0 Support [ 0.279204] CPU features: detected: CRC32 instructions [ 0.284548] CPU features: detected: 32-bit EL1 Support [ 0.374490] CPU: All CPU(s) started at EL2 [ 0.378958] alternatives: patching kernel code [ 0.395090] devtmpfs: initialized [ 0.435030] KASLR disabled due to lack of seed [ 0.442488] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 7645041785100000 ns [ 0.452482] futex hash table entries: 2048 (order: 6, 262144 bytes, linear) [ 0.461853] pinctrl core: initialized pinctrl subsystem [ 0.472851] DMI not present or invalid. [ 0.478751] NET: Registered protocol family 16 [ 0.490153] DMA: preallocated 1024 KiB GFP_KERNEL pool for atomic allocations [ 0.497860] DMA: preallocated 1024 KiB GFP_KERNEL|GFP_DMA pool for atomic allocations [ 0.507456] DMA: preallocated 1024 KiB GFP_KERNEL|GFP_DMA32 pool for atomic allocations [ 0.515913] audit: initializing netlink subsys (disabled) [ 0.522175] audit: type=2000 audit(0.432:1): state=initialized audit_enabled=0 res=1 [ 0.526365] thermal_sys: Registered thermal governor 'step_wise' [ 0.530099] thermal_sys: Registered thermal governor 'power_allocator' [ 0.537632] cpuidle: using governor menu [ 0.548901] hw-breakpoint: found 6 breakpoint and 4 watchpoint registers. [ 0.556449] ASID allocator initialised with 65536 entries [ 0.567194] Serial: AMBA PL011 UART driver [ 0.678469] 7ff80000.serial: ttyAMA0 at MMIO 0x7ff80000 (irq = 38, base_baud = 0) is a PL011 rev3 [ 0.687616] printk: console [ttyAMA0] enabled [ 0.687616] printk: console [ttyAMA0] enabled [ 0.696457] printk: bootconsole [pl11] disabled [ 0.696457] printk: bootconsole [pl11] disabled [ 0.775870] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages [ 0.782684] HugeTLB registered 32.0 MiB page size, pre-allocated 0 pages [ 0.789456] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 0.796221] HugeTLB registered 64.0 KiB page size, pre-allocated 0 pages [ 0.811183] cryptd: max_cpu_qlen set to 1000 [ 0.830120] ACPI: Interpreter disabled. [ 0.842323] iommu: Default domain type: Translated [ 0.848320] vgaarb: loaded [ 0.852832] SCSI subsystem initialized [ 0.858407] usbcore: registered new interface driver usbfs [ 0.864259] usbcore: registered new interface driver hub [ 0.869837] usbcore: registered new device driver usb [ 0.880624] pps_core: LinuxPPS API ver. 1 registered [ 0.885690] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 0.894970] PTP clock support registered [ 0.899452] EDAC MC: Ver: 3.0.0 [ 0.908594] FPGA manager framework [ 0.912548] Advanced Linux Sound Architecture Driver Initialized. [ 0.922356] clocksource: Switched to clocksource arch_sys_counter [ 2.385624] VFS: Disk quotas dquot_6.6.0 [ 2.389823] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 2.398104] pnp: PnP ACPI: disabled [ 2.446108] NET: Registered protocol family 2 [ 2.451429] IP idents hash table entries: 131072 (order: 8, 1048576 bytes, linear) [ 2.464770] tcp_listen_portaddr_hash hash table entries: 4096 (order: 6, 327680 bytes, linear) [ 2.474820] TCP established hash table entries: 65536 (order: 7, 524288 bytes, linear) [ 2.486906] TCP bind hash table entries: 65536 (order: 10, 4718592 bytes, vmalloc) [ 2.509631] TCP: Hash tables configured (established 65536 bind 65536) [ 2.517656] MPTCP token hash table entries: 8192 (order: 7, 720896 bytes, linear) [ 2.527529] UDP hash table entries: 4096 (order: 7, 655360 bytes, linear) [ 2.536544] UDP-Lite hash table entries: 4096 (order: 7, 655360 bytes, linear) [ 2.546397] NET: Registered protocol family 1 [ 2.553432] RPC: Registered named UNIX socket transport module. [ 2.559501] RPC: Registered udp transport module. [ 2.564285] RPC: Registered tcp transport module. [ 2.569066] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 2.575601] NET: Registered protocol family 44 [ 2.580141] PCI: CLS 0 bytes, default 64 [ 2.585093] Unpacking initramfs... [ 4.397616] Freeing initrd memory: 17456K [ 4.405546] hw perfevents: enabled with armv8_cortex_a57 PMU driver, 7 counters available [ 4.416436] hw perfevents: enabled with armv8_cortex_a53 PMU driver, 7 counters available [ 4.424879] kvm [1]: Guests without required CPU erratum workarounds can deadlock system! [ 4.424879] Only trusted guests should be used on this system. [ 4.439036] kvm [1]: IPA Size Limit: 40 bits [ 4.458793] kvm [1]: vgic interrupt IRQ9 [ 4.463650] kvm [1]: Hyp mode initialized successfully [ 4.495430] Initialise system trusted keyrings [ 4.500792] workingset: timestamp_bits=42 max_order=21 bucket_order=0 [ 4.565787] squashfs: version 4.0 (2009/01/31) Phillip Lougher [ 4.575130] NFS: Registering the id_resolver key type [ 4.580344] Key type id_resolver registered [ 4.584639] Key type id_legacy registered [ 4.589332] nfs4filelayout_init: NFSv4 File Layout Driver Registering... [ 4.596163] nfs4flexfilelayout_init: NFSv4 Flexfile Layout Driver Registering... [ 4.604315] 9p: Installing v9fs 9p2000 file system support [ 4.661368] Key type asymmetric registered [ 4.665598] Asymmetric key parser 'x509' registered [ 4.670692] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 245) [ 4.678192] io scheduler mq-deadline registered [ 4.682796] io scheduler kyber registered [ 4.687661] test_firmware: interface ready [ 4.723999] pl061_gpio 1c1d0000.gpio: PL061 GPIO chip registered [ 4.742733] EINJ: ACPI disabled. [ 4.771209] dma-pl330 7ff00000.dma: Loaded driver for PL330 DMAC-341330 [ 4.777944] dma-pl330 7ff00000.dma: DBUFF-1024x16bytes Num_Chans-8 Num_Peri-8 Num_Events-8 [ 4.824963] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 4.842776] SuperH (H)SCI(F) driver initialized [ 4.849015] msm_serial: driver initialized [ 4.857800] arm-smmu 7fb10000.iommu: probing hardware configuration... [ 4.864449] arm-smmu 7fb10000.iommu: SMMUv1 with: [ 4.869235] arm-smmu 7fb10000.iommu: stage 2 translation [ 4.874713] arm-smmu 7fb10000.iommu: non-coherent table walk [ 4.880558] arm-smmu 7fb10000.iommu: (IDR0.CTTW overridden by FW configuration) [ 4.888048] arm-smmu 7fb10000.iommu: stream matching with 2 register groups [ 4.895181] arm-smmu 7fb10000.iommu: 1 context banks (1 stage-2 only) [ 4.901801] arm-smmu 7fb10000.iommu: Supported page sizes: 0x60211000 [ 4.908411] arm-smmu 7fb10000.iommu: Stage-2: 40-bit IPA -> 40-bit PA [ 4.916602] arm-smmu 7fb20000.iommu: probing hardware configuration... [ 4.923221] arm-smmu 7fb20000.iommu: SMMUv1 with: [ 4.928003] arm-smmu 7fb20000.iommu: stage 2 translation [ 4.933483] arm-smmu 7fb20000.iommu: non-coherent table walk [ 4.939329] arm-smmu 7fb20000.iommu: (IDR0.CTTW overridden by FW configuration) [ 4.946816] arm-smmu 7fb20000.iommu: stream matching with 2 register groups [ 4.953955] arm-smmu 7fb20000.iommu: 1 context banks (1 stage-2 only) [ 4.960572] arm-smmu 7fb20000.iommu: Supported page sizes: 0x60211000 [ 4.967206] arm-smmu 7fb20000.iommu: Stage-2: 40-bit IPA -> 40-bit PA [ 4.974855] arm-smmu 7fb30000.iommu: probing hardware configuration... [ 4.981471] arm-smmu 7fb30000.iommu: SMMUv1 with: [ 4.986253] arm-smmu 7fb30000.iommu: stage 2 translation [ 4.991730] arm-smmu 7fb30000.iommu: coherent table walk [ 4.997214] arm-smmu 7fb30000.iommu: stream matching with 2 register groups [ 5.004375] arm-smmu 7fb30000.iommu: 1 context banks (1 stage-2 only) [ 5.011009] arm-smmu 7fb30000.iommu: Supported page sizes: 0x60211000 [ 5.017618] arm-smmu 7fb30000.iommu: Stage-2: 40-bit IPA -> 40-bit PA [ 5.090770] loop: module loaded [ 5.096766] lkdtm: No crash points registered, enable through debugfs [ 5.107077] megasas: 07.714.04.00-rc1 [ 5.136354] thunder_xcv, ver 1.0 [ 5.139859] thunder_bgx, ver 1.0 [ 5.143344] nicpf, ver 1.0 [ 5.150406] hclge is initializing [ 5.153863] hns3: Hisilicon Ethernet Network Driver for Hip08 Family - version [ 5.161175] hns3: Copyright (c) 2017 Huawei Corporation. [ 5.166757] e1000: Intel(R) PRO/1000 Network Driver [ 5.171713] e1000: Copyright (c) 1999-2006 Intel Corporation. [ 5.177725] e1000e: Intel(R) PRO/1000 Network Driver [ 5.182786] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. [ 5.188976] igb: Intel(R) Gigabit Ethernet Network Driver [ 5.194454] igb: Copyright (c) 2007-2014 Intel Corporation. [ 5.200242] igbvf: Intel(R) Gigabit Virtual Function Network Driver [ 5.206588] igbvf: Copyright (c) 2009 - 2012 Intel Corporation. [ 5.213756] sky2: driver version 1.30 [ 5.283349] smsc911x 18000000.ethernet eth0: MAC Address: 00:02:f7:00:58:4d [ 5.294769] VFIO - User Level meta-driver version: 0.3 [ 5.306709] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 5.313537] ehci-pci: EHCI PCI platform driver [ 5.318202] ehci-platform: EHCI generic platform driver [ 5.324208] ehci-platform 7ffc0000.usb: Adding to iommu group 0 [ 5.331182] ehci-platform 7ffc0000.usb: EHCI Host Controller [ 5.337156] ehci-platform 7ffc0000.usb: new USB bus registered, assigned bus number 1 [ 5.345685] ehci-platform 7ffc0000.usb: irq 41, io mem 0x7ffc0000 [ 5.366420] ehci-platform 7ffc0000.usb: USB 2.0 started, EHCI 1.00 [ 5.377161] hub 1-0:1.0: USB hub found [ 5.381226] hub 1-0:1.0: 1 port detected [ 5.387383] ehci-orion: EHCI orion driver [ 5.391889] ehci-exynos: EHCI Exynos driver [ 5.396494] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 5.402814] ohci-pci: OHCI PCI platform driver [ 5.407541] ohci-platform: OHCI generic platform driver [ 5.413370] ohci-platform 7ffb0000.usb: Adding to iommu group 0 [ 5.419765] ohci-platform 7ffb0000.usb: Generic Platform OHCI controller [ 5.426608] ohci-platform 7ffb0000.usb: new USB bus registered, assigned bus number 2 [ 5.435023] ohci-platform 7ffb0000.usb: irq 40, io mem 0x7ffb0000 [ 5.521543] hub 2-0:1.0: USB hub found [ 5.525519] hub 2-0:1.0: 1 port detected [ 5.531269] ohci-exynos: OHCI Exynos driver [ 5.537077] usbcore: registered new interface driver usb-storage [ 5.557045] rtc-pl031 1c170000.rtc: registered as rtc0 [ 5.562453] rtc-pl031 1c170000.rtc: setting system clock to 2022-06-29T01:20:36 UTC (1656465636) [ 5.573510] i2c /dev entries driver [ 5.592800] sp805-wdt 1c0f0000.wdt: registration successful [ 5.615926] mmci-pl18x 1c050000.mmci: mmc0: PL180 manf 41 rev0 at 0x1c050000 irq 16,0 (pio) [ 5.638625] usb 1-1: new high-speed USB device number 2 using ehci-platform [ 5.651877] sdhci: Secure Digital Host Controller Interface driver [ 5.658352] sdhci: Copyright(c) Pierre Ossman [ 5.665145] Synopsys Designware Multimedia Card Interface Driver [ 5.674662] sdhci-pltfm: SDHCI platform and OF driver helper [ 5.686052] leds-syscon 1c010000.apbregs:led0: registered LED (null) [ 5.693445] leds-syscon 1c010000.apbregs:led1: registered LED (null) [ 5.702256] leds-syscon 1c010000.apbregs:led2: registered LED (null) [ 5.709448] leds-syscon 1c010000.apbregs:led3: registered LED (null) [ 5.716629] leds-syscon 1c010000.apbregs:led4: registered LED (null) [ 5.723865] leds-syscon 1c010000.apbregs:led5: registered LED (null) [ 5.731096] leds-syscon 1c010000.apbregs:led6: registered LED (null) [ 5.738288] leds-syscon 1c010000.apbregs:led7: registered LED (null) [ 5.748137] ledtrig-cpu: registered to indicate activity on CPUs [ 5.760999] usbcore: registered new interface driver usbhid [ 5.766660] usbhid: USB HID core driver [ 5.773925] mhu 2b1f0000.mhu: ARM MHU Mailbox registered [ 5.797005] ipip: IPv4 and MPLS over IPv4 tunneling driver [ 5.804697] gre: GRE over IPv4 demultiplexor driver [ 5.809825] ip_gre: GRE over IPv4 tunneling driver [ 5.816755] hub 1-1:1.0: USB hub found [ 5.820350] IPv4 over IPsec tunneling driver [ 5.821276] hub 1-1:1.0: 4 ports detected [ 5.830395] NET: Registered protocol family 10 [ 5.840698] Segment Routing with IPv6 [ 5.849147] ip6_gre: GRE over IPv6 tunneling driver [ 5.856140] NET: Registered protocol family 17 [ 5.861910] 8021q: 802.1Q VLAN Support v1.8 [ 5.866909] 9pnet: Installing 9P2000 support [ 5.871571] Key type dns_resolver registered [ 5.877320] registered taskstats version 1 [ 5.881554] Loading compiled-in X.509 certificates [ 5.942455] scpi_protocol scpi: incorrect or no SCP firmware found [ 5.948972] scpi_protocol: probe of scpi failed with error -110 [ 5.959159] arm-smmu 2b600000.iommu: deferred probe timeout, ignoring dependency [ 5.966719] arm-smmu: probe of 2b600000.iommu failed with error -110 [ 5.980301] input: gpio-keys as /devices/platform/gpio-keys/input/input1 [ 6.558626] atkbd serio0: keyboard reset failed on 1c060000.kmi [ 6.786662] SMSC LAN911x Internal PHY 18000000.ethernet-ffffffff:01: attached PHY driver [SMSC LAN911x Internal PHY] (mii_bus:phy_addr=18000000.ethernet-ffffffff:01, irq=POLL) [ 6.814427] smsc911x 18000000.ethernet eth0: SMSC911x/921x identified at 0xffff800014260000, IRQ: 15 [ 6.824234] IP-Config: Failed to open gretap0 [ 6.828687] IP-Config: Failed to open erspan0 [ 6.850423] Sending DHCP requests . [ 7.806619] atkbd serio1: keyboard reset failed on 1c070000.kmi [ 8.863490] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready [ 9.450401] . [ 10.814490] amba 20010000.etf: deferred probe timeout, ignoring dependency [ 10.823206] amba 20030000.tpiu: deferred probe timeout, ignoring dependency [ 10.830361] amba 20040000.funnel: deferred probe timeout, ignoring dependency [ 10.837647] amba 20070000.etr: deferred probe timeout, ignoring dependency [ 10.844672] amba 20100000.stm: deferred probe timeout, ignoring dependency [ 10.851696] amba 20120000.replicator: deferred probe timeout, ignoring dependency [ 10.859329] amba 22010000.cpu-debug: deferred probe timeout, ignoring dependency [ 10.866874] amba 22040000.etm: deferred probe timeout, ignoring dependency [ 10.873897] amba 220c0000.funnel: deferred probe timeout, ignoring dependency [ 10.881203] amba 22110000.cpu-debug: deferred probe timeout, ignoring dependency [ 10.888753] amba 22140000.etm: deferred probe timeout, ignoring dependency [ 10.895777] amba 23010000.cpu-debug: deferred probe timeout, ignoring dependency [ 10.903321] amba 23040000.etm: deferred probe timeout, ignoring dependency [ 10.910379] amba 230c0000.funnel: deferred probe timeout, ignoring dependency [ 10.917662] amba 23110000.cpu-debug: deferred probe timeout, ignoring dependency [ 10.925205] amba 23140000.etm: deferred probe timeout, ignoring dependency [ 10.932227] amba 23210000.cpu-debug: deferred probe timeout, ignoring dependency [ 10.939791] amba 23240000.etm: deferred probe timeout, ignoring dependency [ 10.946815] amba 23310000.cpu-debug: deferred probe timeout, ignoring dependency [ 10.954394] amba 23340000.etm: deferred probe timeout, ignoring dependency [ 13.990463] ., OK [ 14.024781] IP-Config: Got DHCP answer from 192.168.56.254, my address is 192.168.56.208 [ 14.033016] IP-Config: Complete: [ 14.036379] device=eth0, hwaddr=00:02:f7:00:58:4d, ipaddr=192.168.56.208, mask=255.255.255.0, gw=192.168.56.254 [ 14.047024] host=192.168.56.208, domain=mayfield.sirena.org.uk, nis-domain=(none) [ 14.055059] bootserver=192.168.56.254, rootserver=192.168.56.230, rootpath= [ 14.055089] nameserver0=192.168.56.254 [ 14.066887] ntpserver0=50.205.244.22, ntpserver1=85.199.214.99 [ 14.074809] ALSA device list: [ 14.077913] No soundcards found. [ 14.082252] uart-pl011 7ff80000.serial: no DMA platform data [ 14.129674] Freeing unused kernel memory: 9856K [ 14.134622] Run /init as init process Loading, please wait... Starting version 247.3-7 [ 14.503541] input: PS/2 Generic Mouse as /devices/platform/bus@8000000/bus@8000000:motherboard-bus/bus@8000000:motherboard-bus:iofpga-bus@300000000/1c060000.kmi/serio0/input/input3 [ 14.641011] psmouse serio0: Failed to enable mouse on 1c060000.kmi [ 17.024735] tda998x 0-0070: found TDA19988 [ 17.173626] tda998x 0-0071: found TDA19988 Begin: Loading essential drivers ... done. Begin: Running /scripts/init-premount ... done. Begin: Mounting root file system ... Begin: Running /scripts/nfs-top ... done. Begin: Running /scripts/nfs-premount ... done. IP-Config: erspan0 hardware address 00:00:00:00:00:00 mtu 1450 DHCP SIOCSIFFLAGS: Cannot assign requested address IP-Config: eth0 hardware address 00:02:f7:00:58:4d mtu 1500 DHCP IP-Config: gretap0 hardware address 00:00:00:00:00:00 mtu 1462 DHCP SIOCSIFFLAGS: Cannot assign requested address IP-Config: eth0 complete (dhcp from 192.168.56.254): address: 192.168.56.208 broadcast: 192.168.56.255 netmask: 255.255.255.0 gateway: 192.168.56.254 dns0 : 192.168.56.254 dns1 : 0.0.0.0 domain : mayfield.sirena.org.uk rootserver: 192.168.56.254 rootpath: filename : done. Begin: Running /scripts/nfs-bottom ... done. Begin: Running /scripts/init-bottom ... done. [ 20.918665] systemd[1]: systemd 247.3-7 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) [ 20.946736] systemd[1]: Detected architecture arm64. Welcome to [1mDebian GNU/Linux 11 (bullseye)[0m! [ 21.016029] systemd[1]: Set hostname to . [ 21.134988] input: PS/2 Generic Mouse as /devices/platform/bus@8000000/bus@8000000:motherboard-bus/bus@8000000:motherboard-bus:iofpga-bus@300000000/1c070000.kmi/serio1/input/input4 [ 21.265284] psmouse serio1: Failed to enable mouse on 1c070000.kmi [ 22.766692] systemd[1]: Queued start job for default target Graphical Interface. [ 22.779427] random: systemd: uninitialized urandom read (16 bytes read) [ 22.804622] systemd[1]: Created slice system-getty.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-getty.slice[0m. [ 22.826831] random: systemd: uninitialized urandom read (16 bytes read) [ 22.839959] systemd[1]: Created slice system-modprobe.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-modprobe.slice[0m. [ 22.862736] random: systemd: uninitialized urandom read (16 bytes read) [ 22.878030] systemd[1]: Created slice system-serial\x2dgetty.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-serial\x2dgetty.slice[0m. [ 22.904450] systemd[1]: Created slice User and Session Slice. [[0;32m OK [0m] Created slice [0;1;39mUser and Session Slice[0m. [ 22.928530] systemd[1]: Started Dispatch Password Requests to Console Directory Watch. [[0;32m OK [0m] Started [0;1;39mDispatch Password …ts to Console Directory Watch[0m. [ 22.956113] systemd[1]: Started Forward Password Requests to Wall Directory Watch. [[0;32m OK [0m] Started [0;1;39mForward Password R…uests to Wall Directory Watch[0m. [ 22.979157] systemd[1]: Condition check resulted in Arbitrary Executable File Formats File System Automount Point being skipped. [ 22.991315] systemd[1]: Reached target Local Encrypted Volumes. [[0;32m OK [0m] Reached target [0;1;39mLocal Encrypted Volumes[0m. [ 23.010902] systemd[1]: Reached target Paths. [[0;32m OK [0m] Reached target [0;1;39mPaths[0m. [ 23.030805] systemd[1]: Reached target Remote File Systems. [[0;32m OK [0m] Reached target [0;1;39mRemote File Systems[0m. [ 23.050937] systemd[1]: Reached target Slices. [[0;32m OK [0m] Reached target [0;1;39mSlices[0m. [ 23.070992] systemd[1]: Reached target Swap. [[0;32m OK [0m] Reached target [0;1;39mSwap[0m. [ 23.092414] systemd[1]: Listening on initctl Compatibility Named Pipe. [[0;32m OK [0m] Listening on [0;1;39minitctl Compatibility Named Pipe[0m. [ 23.118682] systemd[1]: Listening on Journal Audit Socket. [[0;32m OK [0m] Listening on [0;1;39mJournal Audit Socket[0m. [ 23.142484] systemd[1]: Listening on Journal Socket (/dev/log). [[0;32m OK [0m] Listening on [0;1;39mJournal Socket (/dev/log)[0m. [ 23.165593] systemd[1]: Listening on Journal Socket. [[0;32m OK [0m] Listening on [0;1;39mJournal Socket[0m. [ 23.186509] systemd[1]: Listening on Network Service Netlink Socket. [[0;32m OK [0m] Listening on [0;1;39mNetwork Service Netlink Socket[0m. [ 23.213892] systemd[1]: Listening on udev Control Socket. [[0;32m OK [0m] Listening on [0;1;39mudev Control Socket[0m. [ 23.237070] systemd[1]: Listening on udev Kernel Socket. [[0;32m OK [0m] Listening on [0;1;39mudev Kernel Socket[0m. [ 23.279430] systemd[1]: Mounting Huge Pages File System... Mounting [0;1;39mHuge Pages File System[0m... [ 23.318792] systemd[1]: Mounting POSIX Message Queue File System... Mounting [0;1;39mPOSIX Message Queue File System[0m... [ 23.358931] systemd[1]: Mounting Kernel Debug File System... Mounting [0;1;39mKernel Debug File System[0m... [ 23.398791] systemd[1]: Mounting Kernel Trace File System... Mounting [0;1;39mKernel Trace File System[0m... [ 23.467728] systemd[1]: Starting Create list of static device nodes for the current kernel... Starting [0;1;39mCreate list of st…odes for the current kernel[0m... [ 23.515437] systemd[1]: Starting Load Kernel Module configfs... Starting [0;1;39mLoad Kernel Module configfs[0m... [ 23.554976] systemd[1]: Starting Load Kernel Module drm... Starting [0;1;39mLoad Kernel Module drm[0m... [ 23.599139] systemd[1]: Starting Load Kernel Module fuse... Starting [0;1;39mLoad Kernel Module fuse[0m... [ 23.630496] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped. [ 23.672844] systemd[1]: Starting Journal Service... Starting [0;1;39mJournal Service[0m... [ 23.736643] fuse: init (API version 7.32) [ 23.757062] systemd[1]: Starting Load Kernel Modules... Starting [0;1;39mLoad Kernel Modules[0m... [ 23.799477] systemd[1]: Starting Remount Root and Kernel File Systems... Starting [0;1;39mRemount Root and Kernel File Systems[0m... [ 23.823652] urandom_read_iter: 26 callbacks suppressed [ 23.823664] random: systemd: uninitialized urandom read (16 bytes read) [ 23.855628] systemd[1]: Starting Coldplug All udev Devices... Starting [0;1;39mColdplug All udev Devices[0m... [ 23.902478] systemd[1]: Mounted Huge Pages File System. [[0;32m OK [0m] Mounted [0;1;39mHuge Pages File System[0m. [ 23.926308] systemd[1]: Mounted POSIX Message Queue File System. [[0;32m OK [0m] Mounted [0;1;39mPOSIX Message Queue File System[0m. [ 23.950011] systemd[1]: Mounted Kernel Debug File System. [[0;32m OK [0m] Mounted [0;1;39mKernel Debug File System[0m. [ 23.973848] systemd[1]: Mounted Kernel Trace File System. [[0;32m OK [0m] Mounted [0;1;39mKernel Trace File System[0m. [ 24.005664] systemd[1]: Finished Create list of static device nodes for the current kernel. [ 24.012797] random: systemd-journal: uninitialized urandom read (16 bytes read) [[0;32m OK [0m] Finished [0;1;39mCreate list of st… nodes for the current kernel[0m. [ 24.047694] systemd[1]: modprobe@configfs.service: Succeeded. [ 24.061766] systemd[1]: Finished Load Kernel Module configfs. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Module configfs[0m. [ 24.092761] systemd[1]: modprobe@drm.service: Succeeded. [ 24.107002] systemd[1]: Finished Load Kernel Module drm. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Module drm[0m. [ 24.141141] systemd[1]: modprobe@fuse.service: Succeeded. [ 24.154984] systemd[1]: Finished Load Kernel Module fuse. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Module fuse[0m. [ 24.189447] systemd[1]: Finished Load Kernel Modules. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Modules[0m. [ 24.216125] systemd[1]: Finished Remount Root and Kernel File Systems. [[0;32m OK [0m] Finished [0;1;39mRemount Root and Kernel File Systems[0m. [ 24.245754] random: systemd: uninitialized urandom read (16 bytes read) [ 24.282173] systemd[1]: Mounting FUSE Control File System... Mounting [0;1;39mFUSE Control File System[0m... [ 24.334154] systemd[1]: Mounting Kernel Configuration File System... Mounting [0;1;39mKernel Configuration File System[0m... [ 24.368663] systemd[1]: Condition check resulted in Rebuild Hardware Database being skipped. [ 24.379191] systemd[1]: Condition check resulted in Platform Persistent Storage Archival being skipped. [ 24.419285] systemd[1]: Starting Load/Save Random Seed... Starting [0;1;39mLoad/Save Random Seed[0m... [ 24.466884] systemd[1]: Starting Apply Kernel Variables... Starting [0;1;39mApply Kernel Variables[0m... [ 24.509790] systemd[1]: Starting Create System Users... Starting [0;1;39mCreate System Users[0m... [ 24.545850] systemd[1]: Started Journal Service. [[0;32m OK [0m] Started [0;1;39mJournal Service[0m. [[0;32m OK [0m] Mounted [0;1;39mFUSE Control File System[0m. [[0;32m OK [0m] Mounted [0;1;39mKernel Configuration File System[0m. Starting [0;1;39mFlush Journal to Persistent Storage[0m... [[0;32m OK [0m] Finished [0;1;39mApply Kernel Variables[0m. [ 24.845474] systemd-journald[231]: Received client request to flush runtime journal. [ 24.869531] urandom_read_iter: 22 callbacks suppressed [ 24.869548] random: systemd-journal: uninitialized urandom read (16 bytes read) [[0;32m OK [0m] Finished [0;1;39mCreate System Users[0m. [ 24.953810] random: systemd: uninitialized urandom read (16 bytes read) Starting [0;1;39mCreate Static Device Nodes in /dev[0m... [ 25.990616] random: crng init done [[0;32m OK [0m] Finished [0;1;39mLoad/Save Random Seed[0m. [[0;32m OK [0m] Finished [0;1;39mCreate Static Device Nodes in /dev[0m. [[0;32m OK [0m] Reached target [0;1;39mLocal File Systems (Pre)[0m. [[0;32m OK [0m] Reached target [0;1;39mLocal File Systems[0m. Starting [0;1;39mRule-based Manage…for Device Events and Files[0m... [[0;32m OK [0m] Finished [0;1;39mColdplug All udev Devices[0m. [[0;32m OK [0m] Finished [0;1;39mFlush Journal to Persistent Storage[0m. Starting [0;1;39mCreate Volatile Files and Directories[0m... [[0;32m OK [0m] Started [0;1;39mRule-based Manager for Device Events and Files[0m. Starting [0;1;39mNetwork Service[0m... [[0;32m OK [0m] Finished [0;1;39mCreate Volatile Files and Directories[0m. Starting [0;1;39mUpdate UTMP about System Boot/Shutdown[0m... [[0;32m OK [0m] Finished [0;1;39mUpdate UTMP about System Boot/Shutdown[0m. [[0;32m OK [0m] Reached target [0;1;39mSystem Initialization[0m. [[0;32m OK [0m] Started [0;1;39mDaily apt download activities[0m. [[0;32m OK [0m] Started [0;1;39mDaily apt upgrade and clean activities[0m. [[0;32m OK [0m] Started [0;1;39mPeriodic ext4 Onli…ata Check for All Filesystems[0m. [[0;32m OK [0m] Started [0;1;39mDiscard unused blocks once a week[0m. [[0;32m OK [0m] Started [0;1;39mDaily Cleanup of Temporary Directories[0m. [[0;32m OK [0m] Reached target [0;1;39mTimers[0m. [[0;32m OK [0m] Listening on [0;1;39mD-Bus System Message Bus Socket[0m. [[0;32m OK [0m] Reached target [0;1;39mSockets[0m. [[0;32m OK [0m] Reached target [0;1;39mBasic System[0m. [[0;32m OK [0m] Started [0;1;39mD-Bus System Message Bus[0m. Starting [0;1;39mRemove Stale Onli…t4 Metadata Check Snapshots[0m... Starting [0;1;39mUser Login Management[0m... [[0;32m OK [0m] Started [0;1;39mNetwork Service[0m. Starting [0;1;39mNetwork Name Resolution[0m... [[0;32m OK [0m] Found device [0;1;39m/dev/ttyAMA0[0m. [[0;32m OK [0m] Finished [0;1;39mRemove Stale Onli…ext4 Metadata Check Snapshots[0m. [[0;32m OK [0m] Started [0;1;39mUser Login Management[0m. [[0;32m OK [0m] Started [0;1;39mNetwork Name Resolution[0m. [[0;32m OK [0m] Reached target [0;1;39mNetwork[0m. [[0;32m OK [0m] Reached target [0;1;39mHost and Network Name Lookups[0m. Starting [0;1;39mPermit User Sessions[0m... [[0;32m OK [0m] Finished [0;1;39mPermit User Sessions[0m. [[0;32m OK [0m] Started [0;1;39mGetty on tty1[0m. [[0;32m OK [0m] Started [0;1;39mSerial Getty on ttyAMA0[0m. [[0;32m OK [0m] Reached target [0;1;39mLogin Prompts[0m. [[0;32m OK [0m] Reached target [0;1;39mMulti-User System[0m. [[0;32m OK [0m] Reached target [0;1;39mGraphical Interface[0m. Starting [0;1;39mUpdate UTMP about System Runlevel Changes[0m... [[0;32m OK [0m] Finished [0;1;39mUpdate UTMP about System Runlevel Changes[0m. Debian GNU/Linux 11 debian-bullseye-arm64 ttyAMA0 debian-bullseye-arm64 login: root (automatic login) Linux debian-bullseye-arm64 5.10.125-cip10 #1 SMP PREEMPT Tue Jun 28 03:21:11 UTC 2022 aarch64 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/255250/extract-nfsrootfs-ln56bxn_' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/255250/extract-nfsrootfs-ln56bxn_' / # export NFS_SERVER_IP='192.168.56.230' export NFS_SERVER_IP='192.168.56.230' / # # # / # export SHELL=/bin/bash export SHELL=/bin/bash / # . /lava-255250/environment . /lava-255250/environment / # /lava-255250/bin/lava-test-runner /lava-255250/0 /lava-255250/bin/lava-test-runner /lava-255250/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-255250/0/tests/0_timesync-off ++ cat uuid + UUID=255250_1.6.2.4.1 + set +x + systemctl stop systemd-timesyncd Failed to stop systemd-timesyncd.service: Unit systemd-timesyncd.service not loaded. + true + set +x + export TESTRUN_ID=1_kselftest-lkdtm + TESTRUN_ID=1_kselftest-lkdtm + cd /lava-255250/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=255250_1.6.2.4.5 + set +x + cd ./automated/linux/kselftest/ + ./kselftest.sh -c lkdtm -T '' -t kselftest_armhf.tar.gz -s false -u http://storage.kernelci.org/cip/linux-5.10.y-cip/v5.10.125-cip10/arm64/defconfig+kselftest/gcc-10/kselftest.tar.xz -L '' -S skipfile-lkft.yaml -b juno-uboot -g cip -e '' -p /opt/kselftests/mainline/ INFO: Generating a skipfile based on /lava-255250/0/tests/1_kselftest-lkdtm/automated/linux/kselftest/skipfile-lkft.yaml INFO: Using the following generated skipfile contents (until EOF): breakpoints:breakpoint_test breakpoints:step_after_suspend_test ftrace:ftracetest net:rtnetlink.sh net:tls netfilter:bridge_brouter.sh netfilter:nft_flowtable.sh netfilter:nft_trans_stress.sh pidfd:pidfd_wait INFO: EOF INFO: Installing sed perl wget xz-utils iproute2 Hit:1 http://deb.debian.org/debian bullseye InRelease Reading package lists... Reading package lists... Building dependency tree... Reading state information... iproute2 is already the newest version (5.10.0-4). perl is already the newest version (5.32.1-4+deb11u2). sed is already the newest version (4.7-1). wget is already the newest version (1.21-1+deb11u1). xz-utils is already the newest version (5.2.5-2). 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded. --2022-06-29 01:22:05-- http://storage.kernelci.org/cip/linux-5.10.y-cip/v5.10.125-cip10/arm64/defconfig+kselftest/gcc-10/kselftest.tar.xz Resolving storage.kernelci.org (storage.kernelci.org)... 52.250.1.28 Connecting to storage.kernelci.org (storage.kernelci.org)|52.250.1.28|:80... connected. HTTP request sent, awaiting response... 200 OK Length: 1742136 (1.7M) [application/octet-stream] Saving to: 'kselftest.tar.xz' kselftest.tar.xz 0%[ ] 0 --.-KB/s kselftest.tar.xz 2%[ ] 34.60K 107KB/s kselftest.tar.xz 5%[> ] 95.89K 150KB/s kselftest.tar.xz 8%[> ] 148.21K 153KB/s kselftest.tar.xz 11%[=> ] 189.21K 147KB/s kselftest.tar.xz 13%[=> ] 225.50K 134KB/s kselftest.tar.xz 14%[=> ] 251.43K 129KB/s kselftest.tar.xz 16%[==> ] 274.06K 127KB/s kselftest.tar.xz 17%[==> ] 296.68K 122KB/s kselftest.tar.xz 18%[==> ] 316.48K 120KB/s kselftest.tar.xz 20%[===> ] 341.93K 120KB/s kselftest.tar.xz 21%[===> ] 363.14K 118KB/s eta 11s kselftest.tar.xz 22%[===> ] 381.53K 116KB/s eta 11s kselftest.tar.xz 24%[===> ] 411.22K 119KB/s eta 11s kselftest.tar.xz 25%[====> ] 435.26K 118KB/s eta 11s kselftest.tar.xz 26%[====> ] 456.47K 110KB/s eta 11s kselftest.tar.xz 28%[====> ] 491.82K 114KB/s eta 10s kselftest.tar.xz 30%[=====> ] 518.69K 110KB/s eta 10s kselftest.tar.xz 31%[=====> ] 544.14K 110KB/s eta 10s kselftest.tar.xz 33%[=====> ] 571.01K 111KB/s eta 10s kselftest.tar.xz 35%[======> ] 610.60K 118KB/s eta 10s kselftest.tar.xz 37%[======> ] 638.89K 118KB/s eta 9s kselftest.tar.xz 39%[======> ] 671.41K 123KB/s eta 9s kselftest.tar.xz 42%[=======> ] 719.49K 130KB/s eta 9s kselftest.tar.xz 44%[=======> ] 754.84K 136KB/s eta 9s kselftest.tar.xz 47%[========> ] 808.57K 144KB/s eta 9s kselftest.tar.xz 49%[========> ] 846.75K 148KB/s eta 6s kselftest.tar.xz 52%[=========> ] 889.17K 156KB/s eta 6s kselftest.tar.xz 55%[==========> ] 935.84K 162KB/s eta 6s kselftest.tar.xz 57%[==========> ] 978.26K 166KB/s eta 6s kselftest.tar.xz 60%[===========> ] 1.00M 175KB/s eta 6s kselftest.tar.xz 64%[===========> ] 1.08M 189KB/s eta 4s kselftest.tar.xz 68%[============> ] 1.13M 196KB/s eta 4s kselftest.tar.xz 71%[=============> ] 1.20M 207KB/s eta 4s kselftest.tar.xz 78%[==============> ] 1.30M 230KB/s eta 4s kselftest.tar.xz 83%[===============> ] 1.38M 243KB/s eta 4s kselftest.tar.xz 88%[================> ] 1.47M 266KB/s eta 1s kselftest.tar.xz 96%[==================> ] 1.60M 287KB/s eta 1s kselftest.tar.xz 100%[===================>] 1.66M 306KB/s in 8.8s 2022-06-29 01:22:15 (193 KB/s) - 'kselftest.tar.xz' saved [1742136/1742136] skiplist: ======================================== breakpoints:breakpoint_test breakpoints:step_after_suspend_test ftrace:ftracetest net:rtnetlink.sh net:tls netfilter:bridge_brouter.sh netfilter:nft_flowtable.sh netfilter:nft_trans_stress.sh pidfd:pidfd_wait ======================================== [ 117.040366] 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 [ 118.114195] lkdtm: Performing direct entry BUG [ 118.118988] ------------[ cut here ]------------ [ 118.123654] kernel BUG at drivers/misc/lkdtm/bugs.c:76! [ 118.129196] Internal error: Oops - BUG: 0 [#1] PREEMPT SMP [ 118.134702] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 118.144206] CPU: 4 PID: 763 Comm: cat Not tainted 5.10.125-cip10 #1 [ 118.150489] Hardware name: ARM Juno development board (r0) (DT) [ 118.156429] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 118.162460] pc : lkdtm_BUG+0xc/0x10 [ 118.165966] lr : lkdtm_do_action+0x24/0x40 [ 118.170074] sp : ffff800014a73d10 [ 118.173399] x29: ffff800014a73d10 x28: ffff000803391880 [ 118.178742] x27: 0000000000000000 x26: 0000000000000000 [ 118.184084] x25: ffff800011550068 x24: ffff800014a73e20 [ 118.189425] x23: 0000000000000004 x22: ffff000804f0f000 [ 118.194767] x21: ffff800011a6c698 x20: ffff800011550078 [ 118.200108] x19: 0000000000000001 x18: ffff800012b37ed0 [ 118.205450] x17: 0000000000000000 x16: 0000000000000000 [ 118.210791] x15: 0000000000000028 x14: 00000000000443c0 [ 118.216132] x13: ffff800012a51b10 x12: 000000002fc396d4 [ 118.221474] x11: ffff000803392100 x10: ffff800012668650 [ 118.226816] x9 : ffff800010a2ae44 x8 : ffff800012610650 [ 118.232158] x7 : ffff800012668650 x6 : ffff8000125e1000 [ 118.237499] x5 : ffff8000125e1c88 x4 : ffff00097ef92c50 [ 118.242840] x3 : 0000000000000000 x2 : 0000000000000000 [ 118.248181] x1 : ffff000803391880 x0 : ffff800010a2b4f0 [ 118.253523] Call trace: [ 118.255981] lkdtm_BUG+0xc/0x10 [ 118.259137] direct_entry+0xd4/0x140 [ 118.262731] full_proxy_write+0x6c/0xc0 [ 118.266584] vfs_write+0xf0/0x210 [ 118.269911] ksys_write+0x74/0x100 [ 118.273327] __arm64_sys_write+0x28/0x34 [ 118.277268] el0_svc_common.constprop.0+0x84/0x1e0 [ 118.282077] do_el0_svc+0x30/0xa0 [ 118.285407] el0_svc+0x20/0x30 [ 118.288474] el0_sync_handler+0x1a4/0x1b0 [ 118.292499] el0_sync+0x180/0x1c0 [ 118.295832] Code: d503201f d503245f aa1e03e9 d503201f (d4210000) [ 118.301950] ---[ end trace 9c05f44cd639800c ]--- [ 118.306584] note: cat[763] exited with preempt_count 1 [ 118.311740] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 118.320639] in_atomic(): 0, irqs_disabled(): 128, non_block: 0, pid: 763, name: cat [ 118.328317] INFO: lockdep is turned off. [ 118.332253] irq event stamp: 1944 [ 118.335589] hardirqs last enabled at (1943): [] console_unlock+0x540/0x6a4 [ 118.344142] hardirqs last disabled at (1944): [] el1_dbg+0x24/0x50 [ 118.351913] softirqs last enabled at (1940): [] __do_softirq+0x5b8/0x638 [ 118.360295] softirqs last disabled at (1935): [] __irq_exit_rcu+0x178/0x1ac [ 118.368849] CPU: 4 PID: 763 Comm: cat Tainted: G D 5.10.125-cip10 #1 [ 118.376527] Hardware name: ARM Juno development board (r0) (DT) [ 118.382464] Call trace: [ 118.384924] dump_backtrace+0x0/0x1f0 [ 118.388601] show_stack+0x24/0x30 [ 118.391933] dump_stack+0xf8/0x168 [ 118.395351] ___might_sleep+0x15c/0x20c [ 118.399202] __might_sleep+0x5c/0x94 [ 118.402794] exit_signals+0x38/0x24c [ 118.406386] do_exit+0xdc/0xb40 [ 118.409541] die+0x230/0x270 [ 118.412435] bug_handler+0x58/0x80 [ 118.415852] call_break_hook+0x70/0x84 [ 118.419618] brk_handler+0x28/0x70 [ 118.423037] do_debug_exception+0xd8/0x150 [ 118.427150] el1_dbg+0x34/0x50 [ 118.430219] el1_sync_handler+0x9c/0xd0 [ 118.434070] el1_sync+0x88/0x140 [ 118.437312] lkdtm_BUG+0xc/0x10 [ 118.440469] direct_entry+0xd4/0x140 [ 118.444063] full_proxy_write+0x6c/0xc0 [ 118.447915] vfs_write+0xf0/0x210 [ 118.451245] ksys_write+0x74/0x100 [ 118.454662] __arm64_sys_write+0x28/0x34 [ 118.458603] el0_svc_common.constprop.0+0x84/0x1e0 [ 118.463413] do_el0_svc+0x30/0xa0 [ 118.466743] el0_svc+0x20/0x30 [ 118.469812] el0_sync_handler+0x1a4/0x1b0 [ 118.473838] el0_sync+0x180/0x1c0 [ 118.478616] ------------[ cut here ]------------ [ 118.483267] WARNING: CPU: 4 PID: 0 at kernel/rcu/tree.c:624 rcu_eqs_enter.constprop.0+0xe4/0x140 # Segmentat[ 118.492082] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 118.502451] CPU: 4 PID: 0 Comm: swapper/4 Tainted: G D W 5.10.125-cip10 #1 ion fault[ 118.510477] Hardware name: ARM Juno development board (r0) (DT) [ 118.517190] pstate: 200003c5 (nzCv DAIF -PAN -UAO -TCO BTYPE=--) [ 118.523398] pc : rcu_eqs_enter.constprop.0+0xe4/0x140 [ 118.528471] lr : rcu_idle_enter+0x28/0xf0 [ 118.532494] sp : ffff8000136a3e90 [ 118.535821] x29: ffff8000136a3e90 x28: 0000000000000000 [ 118.541167] x27: 0000000000000000 x26: 0000000000000001 [ 118.546514] x25: 0000000000000001 x24: 0000001b95dfd88c [ 118.551856] x23: 0000000000000001 x22: ffff000806b56880 [ 118.557198] x21: ffff00097efa6140 x20: ffff800011e42380 [ 118.562545] x19: ffff00097efa8380 x18: 0000000000000000 [ 118.567887] x17: 0000000000000000 x16: 0000000000000000 # [ [ 118.573229] x15: 0000000000000030 x14: ffffffffffffffff [ 118.578888] x13: 0000000000000854 x12: 071c71c71c71c71c 118.114195] lkdtm: Performing di[ 118.584230] x11: 0000000000000854 x10: ffff00097efa64ac rect entry BUG [ 118.592445] x9 : ffff800010e74214 x8 : 000000000000026e # [ 118.118988] ------------[ cu[ 118.599147] x7 : ffff00097efa64cc x6 : 00000001a5461116 t here ]------------ [ 118.607356] x5 : 00ffffffffffffff x4 : 0000000000000015 [ 118.614581] x3 : 0000000004243480 x2 : 0000000000000004 # [ 118.123654] kernel BUG at dr[ 118.619923] x1 : 4000000000000002 x0 : 4000000000000000 ivers/misc/lkdtm/bugs.c:76![ 118.628106] Call trace: [ 118.632905] rcu_eqs_enter.constprop.0+0xe4/0x140 # [ 118.129196] Internal error: [ 118.637775] rcu_idle_enter+0x28/0xf0 Oops - BUG: 0 [#1] PREEMPT SMP [ 118.644306] cpuidle_enter_state+0x230/0x31c [ 118.651357] cpuidle_enter+0x44/0x5c # [ 118.134702] Modules linked i[ 118.654951] do_idle+0x240/0x2d0 n: fuse ip_tables x_tables crct10[ 118.661044] cpu_startup_entry+0x30/0x8c dif_ce tda998x cec drm_kms_helper[ 118.667837] secondary_start_kernel+0x14c/0x190 drm smsc # [ 118.144206] CPU:[ 118.675231] irq event stamp: 285430 4 PID: 763 Comm: cat Not tainted[ 118.681508] hardirqs last enabled at (285429): [] tick_nohz_idle_exit+0x7c/0x1c4 5.10.125-cip10 #1 # [ 118.1504[ 118.693435] hardirqs last disabled at (285430): [] __schedule+0x360/0x9ac 89] Hardware name: ARM Juno deve[ 118.704664] softirqs last enabled at (285426): [] _local_bh_enable+0x30/0x54 lopment board (r0) (DT) # [ 118[ 118.716154] softirqs last disabled at (285425): [] irq_enter_rcu+0x80/0xa0 .156429] pstate: 60000005 (nZCv [ 118.727461] ---[ end trace 9c05f44cd639800d ]--- daif -PAN -UAO -TCO BTYPE=--) # [ 118.162460] pc : lkdtm_BUG+0xc/0x10 # [ 118.165966] lr : lkdtm_do_action+0x24/0x40 # [ 118.170074] sp : ffff800014a73d10 # [ 118.173399] x29: ffff800014a73d10 x28: ffff000803391880 # [ 118.178742] x27: 0000000000000000 x26: 0000000000000000 # [ 118.184084] x25: ffff800011550068 x24: ffff800014a73e20 # [ 118.189425] x23: 0000000000000004 x22: ffff000804f0f000 # [ 118.194767] x21: ffff800011a6c698 x20: ffff800011550078 # [ 118.200108] x19: 0000000000000001 x18: ffff800012b37ed0 # [ 118.205450] x17: 0000000000000000 x16: 0000000000000000 # [ 118.210791] x15: 0000000000000028 x14: 00000000000443c0 # [ 118.216132] x13: ffff800012a51b10 x12: 000000002fc396d4 # [ 118.221474] x11: ffff000803392100 x10: ffff800012668650 # [ 118.226816] x9 : ffff800010a2ae44 x8 : ffff800012610650 # [ 118.232158] x7 : ffff800012668650 x6 : ffff8000125e1000 # [ 118.237499] x5 : ffff8000125e1c88 x4 : ffff00097ef92c50 # [ 118.242840] x3 : 0000000000000000 x2 : 0000000000000000 # [ 118.248181] x1 : ffff000803391880 x0 : ffff800010a2b4f0 # [ 118.253523] Call trace: # [ 118.255981] lkdtm_BUG+0xc/0x10 # [ 118.259137] direct_entry+0xd4/0x140 # [ 118.262731] full_proxy_write+0x6c/0xc0 # [ 118.266584] vfs_write+0xf0/0x210 # [ 118.269911] ksys_write+0x74/0x100 # [ 118.273327] __arm64_sys_write+0x28/0x34 # [ 118.277268] el0_svc_common.constprop.0+0x84/0x1e0 # [ 118.282077] do_el0_svc+0x30/0xa0 # [ 118.285407] el0_svc+0x20/0x30 # [ 118.288474] el0_sync_handler+0x1a4/0x1b0 # [ 118.292499] el0_sync+0x180/0x1c0 # [ 118.295832] Code: d503201f d503245f aa1e03e9 d503201f (d4210000) # [ 118.301950] ---[ end trace 9c05f44cd639800c ]--- # [ 118.306584] note: cat[763] exited with preempt_count 1 # [ 118.311740] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 118.320639] in_atomic(): 0, irqs_disabled(): 128, non_block: 0, pid: 763, name: cat # [ 118.328317] INFO: lockdep is turned off. # [ 118.332253] irq event stamp: 1944 # [ 118.335589] hardirqs last enabled at (1943): [] console_unlock+0x540/0x6a4 # [ 118.344142] hardirqs last disabled at (1944): [] el1_dbg+0x24/0x50 # [ 118.351913] softirqs last enabled at (1940): [] __do_softirq+0x5b8/0x638 # [ 118.360295] softirqs last disabled at (1935): [] __irq_exit_rcu+0x178/0x1ac # [ 118.368849] CPU: 4 PID: 763 Comm: cat Tainted: G D 5.10.125-cip10 #1 # [ 118.376527] Hardware name: ARM Juno development board (r0) (DT) # [ 118.382464] Call trace: # [ 118.384924] dump_backtrace+0x0/0x1f0 # [ 118.388601] show_stack+0x24/0x30 # [ 118.391933] dump_stack+0xf8/0x168 # [ 118.395351] ___might_sleep+0x15c/0x20c # [ 118.399202] __might_sleep+0x5c/0x94 # [ 118.402794] exit_signals+0x38/0x24c # [ 118.406386] do_exit+0xdc/0xb40 [ 118.989906] lkdtm: Performing direct entry WARNING # [ 118.409541] die+0x230/0x27[ 118.997096] ------------[ cut here ]------------ 0 # [ 118.412435] bug_handler[ 119.004373] WARNING: CPU: 3 PID: 801 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x2c/0x40 +0x58/0x80 # [ 118.415852] ca[ 119.015583] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc ll_break_hook+0x70/0x84 # [ 11[ 119.027775] CPU: 3 PID: 801 Comm: cat Tainted: G D W 5.10.125-cip10 #1 8.419618] brk_handler+0x28/0x70[ 119.038212] Hardware name: ARM Juno development board (r0) (DT) # [ 118.423037] do_debug_exc[ 119.046921] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) eption+0xd8/0x150 # [ 118.4271[ 119.055712] pc : lkdtm_WARNING+0x2c/0x40 50] el1_dbg+0x34/0x50 # [ 118[ 119.062415] lr : lkdtm_do_action+0x24/0x40 .430219] el1_sync_handler+0x9c/[ 119.069285] sp : ffff800014b0bd10 0xd0 # [ 118.434070] el1_sync[ 119.075379] x29: ffff800014b0bd10 x28: ffff0008063e9880 +0x88/0x140 # [ 118.437312] l[ 119.083472] x27: 0000000000000000 x26: 0000000000000000 kdtm_BUG+0xc/0x10 # [ 118.4404[ 119.091567] x25: ffff800011550068 x24: ffff800014b0be20 69] direct_entry+0xd4/0x140 # [ 119.099662] x23: 0000000000000008 x22: ffff000807e0c000 [ 118.444063] full_proxy_write[ 119.107757] x21: ffff800011a6c6a0 x20: ffff800011550088 +0x6c/0xc0 # [ 118.447915] vf[ 119.115852] x19: 0000000000000002 x18: 0000000000000000 s_write+0xf0/0x210 # [ 118.451[ 119.123946] x17: 0000000000000000 x16: 0000000000000000 245] ksys_write+0x74/0x100 # [[ 119.132041] x15: 0000000000000030 x14: ffffffffffffffff 118.454662] __arm64_sys_write[ 119.140136] x13: ffff800094b0ba07 x12: ffff800014b0ba0f +0x28/0x34 # [ 118.458603] el[ 119.148231] x11: 0000000000000038 x10: ffff800012668650 0_svc_common.constprop.0+0x84/0x[ 119.156326] x9 : ffff800010a2ae44 x8 : ffff800012610650 1e0 # [ 118.463413] do_el0_sv[ 119.164421] x7 : ffff800012668650 x6 : ffff8000125e1000 c+0x30/0xa0 # [ 118.466743] e[ 119.172515] x5 : ffff8000125e1c88 x4 : ffff00097ef70c50 l0_svc+0x20/0x30 # [ 118.46981[ 119.180610] x3 : 0000000000000000 x2 : 0000000000000000 2] el0_sync_handler+0x1a4/0x1b0[ 119.188705] x1 : ffff80001351f000 x0 : 0000000000000001 # [ 118.473838] el0_sync+0x1[ 119.196799] Call trace: 80/0x1c0 # [ 118.478616] -----[ 119.202027] lkdtm_WARNING+0x2c/0x40 -------[ cut here ]------------[ 119.208382] direct_entry+0xd4/0x140 # [ 118.483267] WARNING: CPU: [ 119.214738] full_proxy_write+0x6c/0xc0 4 PID: 0 at kernel/rcu/tree.c:62[ 119.221352] vfs_write+0xf0/0x210 4 rcu_eqs_enter.constprop.0+0xe4[ 119.227443] ksys_write+0x74/0x100 /0x140 # [ 118.492082] Modules [ 119.233624] __arm64_sys_write+0x28/0x34 linked in: fuse ip_tables x_table[ 119.240418] el0_svc_common.constprop.0+0x84/0x1e0 s crct10dif_ce tda998x cec drm_km[ 119.248076] do_el0_svc+0x30/0xa0 s_helper drm smsc # [ 118.50245[ 119.254258] el0_svc+0x20/0x30 1] CPU: 4 PID: 0 Comm: swapper/4 [ 119.260176] el0_sync_handler+0x1a4/0x1b0 Tainted: G D W 5.10.[ 119.267053] el0_sync+0x180/0x1c0 125-cip10 #1 # BUG: saw 'kernel [ 119.273232] irq event stamp: 0 BUG at': ok ok 2 selftests: lkd[ 119.279156] hardirqs last enabled at (0): [<0000000000000000>] 0x0 tm: BUG.sh # selftests: lkdtm: [ 119.288210] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 WARNING.sh [ 119.299174] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 [ 119.308398] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 119.314682] ---[ end trace 9c05f44cd639800e ]--- # [ 118.989906] lkdtm: Performing direct entry WARNING # [ 118.997096] ------------[ cut here ]------------ # [ 119.004373] WARNING: CPU: 3 PID: 801 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x2c/0x40 # [ 119.015583] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 119.027775] CPU: 3 PID: 801 Comm: cat Tainted: G D W 5.10.125-cip10 #1 # [ 119.038212] Hardware name: ARM Juno development board (r0) (DT) # [ 119.046921] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 119.055712] pc : lkdtm_WARNING+0x2c/0x40 # [ 119.062415] lr : lkdtm_do_action+0x24/0x40 # [ 119.069285] sp : ffff800014b0bd10 # [ 119.075379] x29: ffff800014b0bd10 x28: ffff0008063e9880 # [ 119.083472] x27: 0000000000000000 x26: 0000000000000000 # [ 119.091567] x25: ffff800011550068 x24: ffff800014b0be20 # [ 119.099662] x23: 0000000000000008 x22: ffff000807e0c000 # [ 119.107757] x21: ffff800011a6c6a0 x20: ffff800011550088 # [ 119.115852] x19: 0000000000000002 x18: 0000000000000000 # [ 119.123946] x17: 0000000000000000 x16: 0000000000000000 # [ 119.132041] x15: 0000000000000030 x14: ffffffffffffffff # [ 119.140136] x13: ffff800094b0ba07 x12: ffff800014b0ba0f # [ 119.148231] x11: 0000000000000038 x10: ffff800012668650 # [ 119.156326] x9 : ffff800010a2ae44 x8 : ffff800012610650 # [ 119.164421] x7 : ffff800012668650 x6 : ffff8000125e1000 # [ 119.172515] x5 : ffff8000125e1c88 x4 : ffff00097ef70c50 # [ 119.180610] x3 : 0000000000000000 x2 : 0000000000000000 # [ 119.188705] x1 : ffff80001351f000 x0 : 0000000000000001 # [ 119.196799] Call trace: # [ 119.202027] lkdtm_WARNING+0x2c/0x40 # [ 119.208382] direct_entry+0xd4/0x140 # [ 119.214738] full_proxy_write+0x6c/0xc0 # [ 119.221352] vfs_write+0xf0/0x210 # [ 119.227443] ksys_write+0x74/0x100 # [ 119.233624] __arm64_sys_write+0x28/0x34 # [ 119.240418] el0_svc_common.constprop.0+0x84/0x1e0 # [ 119.248076] do_el0_svc+0x30/0xa0 # [ 119.254258] el0_svc+0x20/0x30 # [ 119.260176] el0_sync_handler+0x1a4/0x1b0 # [ 119.267053] el0_sync+0x180/0x1c0 # [ 119.273232] irq event stamp: 0 # [ 119.279156] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 119.288210] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 # [ 119.299174] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 # [ 119.308398] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 119.314682] ---[ end trace 9c05f44cd639800e ]--- # WARNING: saw 'WARNING:': ok ok 3 selftests: lkdtm: WARNING.sh # selftests: lkdtm: WARNING_MESSAGE.sh [ 119.692957] lkdtm: Performing direct entry WARNING_MESSAGE [ 119.698585] ------------[ cut here ]------------ [ 119.703278] Warning message trigger count: 2 [ 119.707690] WARNING: CPU: 4 PID: 836 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x34/0x44 [ 119.716854] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 119.726363] CPU: 4 PID: 836 Comm: cat Tainted: G D W 5.10.125-cip10 #1 [ 119.734039] Hardware name: ARM Juno development board (r0) (DT) [ 119.739982] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 119.746020] pc : lkdtm_WARNING_MESSAGE+0x34/0x44 [ 119.750656] lr : lkdtm_WARNING_MESSAGE+0x34/0x44 [ 119.755286] sp : ffff800014593d00 [ 119.758611] x29: ffff800014593d00 x28: ffff000805a30000 [ 119.763954] x27: 0000000000000000 x26: 0000000000000000 [ 119.769296] x25: ffff800011550068 x24: ffff800014593e20 [ 119.774638] x23: 0000000000000010 x22: ffff0008064aa000 [ 119.779980] x21: ffff800011a6c6a8 x20: ffff800011550098 [ 119.785321] x19: 0000000000000003 x18: 0000000000000000 [ 119.790663] x17: 0000000000000000 x16: 0000000000000000 [ 119.796004] x15: 0000000000000030 x14: ffffffffffffffff [ 119.801346] x13: ffff8000945939a7 x12: ffff8000145939af [ 119.806688] x11: 0000000000000038 x10: ffff800012668650 [ 119.812030] x9 : ffff800010133204 x8 : ffff800012610650 [ 119.817371] x7 : ffff800012668650 x6 : ffff8000125e1000 [ 119.822713] x5 : ffff8000125e1c88 x4 : ffff00097ef92c50 [ 119.828055] x3 : 0000000000000000 x2 : 0000000000000000 [ 119.833396] x1 : 0000000000000000 x0 : ffff000805a30000 [ 119.838738] Call trace: [ 119.841198] lkdtm_WARNING_MESSAGE+0x34/0x44 [ 119.845486] lkdtm_do_action+0x24/0x40 [ 119.849252] direct_entry+0xd4/0x140 [ 119.852845] full_proxy_write+0x6c/0xc0 [ 119.856697] vfs_write+0xf0/0x210 [ 119.860025] ksys_write+0x74/0x100 [ 119.863441] __arm64_sys_write+0x28/0x34 [ 119.867382] el0_svc_common.constprop.0+0x84/0x1e0 [ 119.872191] do_el0_svc+0x30/0xa0 [ 119.875520] el0_svc+0x20/0x30 [ 119.878587] el0_sync_handler+0x1a4/0x1b0 [ 119.882612] el0_sync+0x180/0x1c0 [ 119.885938] irq event stamp: 0 [ 119.889008] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 119.895300] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 [ 119.903504] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 [ 119.911706] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 119.917990] ---[ end trace 9c05f44cd639800f ]--- # [ 119.692957] lkdtm: Performing direct entry WARNING_MESSAGE # [ 119.698585] ------------[ cut here ]------------ # [ 119.703278] Warning message trigger count: 2 # [ 119.707690] WARNING: CPU: 4 PID: 836 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x34/0x44 # [ 119.716854] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 119.726363] CPU: 4 PID: 836 Comm: cat Tainted: G D W 5.10.125-cip10 #1 # [ 119.734039] Hardware name: ARM Juno development board (r0) (DT) # [ 119.739982] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 119.746020] pc : lkdtm_WARNING_MESSAGE+0x34/0x44 # [ 119.750656] lr : lkdtm_WARNING_MESSAGE+0x34/0x44 # [ 119.755286] sp : ffff800014593d00 # [ 119.758611] x29: ffff800014593d00 x28: ffff000805a30000 # [ 119.763954] x27: 0000000000000000 x26: 0000000000000000 # [ 119.769296] x25: ffff800011550068 x24: ffff800014593e20 # [ 119.774638] x23: 0000000000000010 x22: ffff0008064aa000 # [ 119.779980] x21: ffff800011a6c6a8 x20: ffff800011550098 # [ 119.785321] x19: 0000000000000003 x18: 0000000000000000 # [ 119.790663] x17: 0000000000000000 x16: 0000000000000000 # [ 119.796004] x15: 0000000000000030 x14: ffffffffffffffff # [ 119.801346] x13: ffff8000945939a7 x12: ffff8000145939af # [ 119.806688] x11: 0000000000000038 x10: ffff800012668650 # [ 119.812030] x9 : ffff800010133204 x8 : ffff800012610650 # [ 119.817371] x7 : ffff800012668650 x6 : ffff8000125e1000 # [ 119.822713] x5 : ffff8000125e1c88 x4 : ffff00097ef92c50 # [ 119.828055] x3 : 0000000000000000 x2 : 0000000000000000 # [ 119.833396] x1 : 0000000000000000 x0 : ffff000805a30000 # [ 119.838738] Call trace: # [ 119.841198] lkdtm_WARNING_MESSAGE+0x34/0x44 # [ 119.845486] lkdtm_do_action+0x24/0x40 # [ 119.849252] direct_entry+0xd4/0x140 # [ 119.852845] full_proxy_write+0x6c/0xc0 # [ 119.856697] vfs_write+0xf0/0x210 # [ 119.860025] ksys_write+0x74/0x100 # [ 119.863441] __arm64_sys_write+0x28/0x34 # [ 119.867382] el0_svc_common.constprop.0+0x84/0x1e0 # [ 119.872191] do_el0_svc+0x30/0xa0 # [ 119.875520] el0_svc+0x20/0x30 # [ 119.878587] el0_sync_handler+0x1a4/0x1b0 # [ 119.882612] el0_sync+0x180/0x1c0 # [ 119.885938] irq event stamp: 0 # [ 119.889008] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 119.895300] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 # [ 119.903504] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 # [ 119.911706] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 119.917990] ---[ end trace 9c05f44cd639800f ]--- # WARNING_MESSAGE: saw 'message trigger': ok ok 4 selftests: lkdtm: WARNING_MESSAGE.sh # selftests: lkdtm: EXCEPTION.sh [ 120.336117] lkdtm: Performing direct entry EXCEPTION [ 120.341198] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000 [ 120.350094] Mem abort info: [ 120.352946] ESR = 0x96000044 [ 120.356061] EC = 0x25: DABT (current EL), IL = 32 bits [ 120.361521] SET = 0, FnV = 0 [ 120.364724] EA = 0, S1PTW = 0 [ 120.367896] Data abort info: [ 120.370802] ISV = 0, ISS = 0x00000044 [ 120.374666] CM = 0, WnR = 1 [ 120.377650] user pgtable: 4k pages, 48-bit VAs, pgdp=000000088504d000 [ 120.384123] [0000000000000000] pgd=0000000000000000, p4d=0000000000000000 [ 120.390972] Internal error: Oops: 96000044 [#2] PREEMPT SMP [ 120.396563] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 120.406037] CPU: 1 PID: 868 Comm: cat Tainted: G D W 5.10.125-cip10 #1 [ 120.413711] Hardware name: ARM Juno development board (r0) (DT) [ 120.419652] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 120.425682] pc : lkdtm_EXCEPTION+0x18/0x20 [ 120.429793] lr : lkdtm_do_action+0x24/0x40 [ 120.433898] sp : ffff800014bfbd10 [ 120.437224] x29: ffff800014bfbd10 x28: ffff0008024c3100 [ 120.442561] x27: 0000000000000000 x26: 0000000000000000 [ 120.447899] x25: ffff800011550068 x24: ffff800014bfbe20 [ 120.453230] x23: 000000000000000a x22: ffff00080308e000 [ 120.458562] x21: ffff800011a6c6b8 x20: ffff8000115500a8 [ 120.463894] x19: 0000000000000004 x18: 0000000000000000 [ 120.469225] x17: 0000000000000000 x16: 0000000000000000 [ 120.474557] x15: 0000000000000030 x14: ffffffffffffffff [ 120.479888] x13: ffff800094bfba07 x12: ffff800014bfba0f [ 120.485219] x11: 0000000000000008 x10: ffff800012668650 [ 120.490551] x9 : ffff800010a2ae44 x8 : ffff800012610650 [ 120.495882] x7 : ffff800012668650 x6 : ffff8000125e1000 [ 120.501214] x5 : ffff8000125e1c88 x4 : ffff00097efb4c50 [ 120.506545] x3 : 0000000000000000 x2 : 0000000000000000 [ 120.511877] x1 : ffff0008024c3100 x0 : 0000000000000000 [ 120.517209] Call trace: [ 120.519661] lkdtm_EXCEPTION+0x18/0x20 [ 120.523420] direct_entry+0xd4/0x140 [ 120.527006] full_proxy_write+0x6c/0xc0 [ 120.530851] vfs_write+0xf0/0x210 [ 120.534173] ksys_write+0x74/0x100 [ 120.537582] __arm64_sys_write+0x28/0x34 [ 120.541516] el0_svc_common.constprop.0+0x84/0x1e0 [ 120.546318] do_el0_svc+0x30/0xa0 [ 120.549641] el0_svc+0x20/0x30 [ 120.552702] el0_sync_handler+0x1a4/0x1b0 [ 120.556720] el0_sync+0x180/0x1c0 [ 120.560047] Code: d503201f d2800000 d503233f d50323bf (b900001f) [ 120.566157] ---[ end trace 9c05f44cd6398010 ]--- # Segmentation fault # [ 120.336117] lkdtm: Performing direct entry EXCEPTION # [ 120.341198] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000 # [ 120.350094] Mem abort info: # [ 120.352946] ESR = 0x96000044 # [ 120.356061] EC = 0x25: DABT (current EL), IL = 32 bits # [ 120.361521] SET = 0, FnV = 0 # [ 120.364724] EA = 0, S1PTW = 0 # [ 120.367896] Data abort info: # [ 120.370802] ISV = 0, ISS = 0x00000044 # [ 120.374666] CM = 0, WnR = 1 # [ 120.377650] user pgtable: 4k pages, 48-bit VAs, pgdp=000000088504d000 # [ 120.384123] [0000000000000000] pgd=0000000000000000, p4d=0000000000000000 # [ 120.390972] Internal error: Oops: 96000044 [#2] PREEMPT SMP # [ 120.396563] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 120.406037] CPU: 1 PID: 868 Comm: cat Tainted: G D W 5.10.125-cip10 #1 # [ 120.413711] Hardware name: ARM Juno development board (r0) (DT) # [ 120.419652] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 120.425682] pc : lkdtm_EXCEPTION+0x18/0x20 # [ 120.429793] lr : lkdtm_do_action+0x24/0x40 # [ 120.433898] sp : ffff800014bfbd10 # [ 120.437224] x29: ffff800014bfbd10 x28: ffff0008024c3100 # [ 120.442561] x27: 0000000000000000 x26: 0000000000000000 # [ 120.447899] x25: ffff800011550068 x24: ffff800014bfbe20 # [ 120.453230] x23: 000000000000000a x22: ffff00080308e000 # [ 120.458562] x21: ffff800011a6c6b8 x20: ffff8000115500a8 # [ 120.463894] x19: 0000000000000004 x18: 0000000000000000 # [ 120.469225] x17: 0000000000000000 x16: 0000000000000000 # [ 120.474557] x15: 0000000000000030 x14: ffffffffffffffff # [ 120.479888] x13: ffff800094bfba07 x12: ffff800014bfba0f # [ 120.485219] x11: 0000000000000008 x10: ffff800012668650 # [ 120.490551] x9 : ffff800010a2ae44 x8 : ffff800012610650 # [ 120.495882] x7 : ffff800012668650 x6 : ffff8000125e1000 # [ 120.501214] x5 : ffff8000125e1c88 x4 : ffff00097efb4c50 # [ 120.506545] x3 : 0000000000000000 x2 : 0000000000000000 # [ 120.511877] x1 : ffff0008024c3100 x0 : 0000000000000000 # [ 120.517209] Call trace: # [ 120.519661] lkdtm_EXCEPTION+0x18/0x20 # [ 120.523420] direct_entry+0xd4/0x140 # [ 120.527006] full_proxy_write+0x6c/0xc0 # [ 120.530851] vfs_write+0xf0/0x210 # [ 120.534173] ksys_write+0x74/0x100 # [ 120.537582] __arm64_sys_write+0x28/0x34 # [ 120.541516] el0_svc_common.constprop.0+0x84/0x1e0 # [ 120.546318] do_el0_svc+0x30/0xa0 # [ 120.549641] el0_svc+0x20/0x30 # [ 120.552702] el0_sync_handler+0x1a4/0x1b0 # [ 120.556720] el0_sync+0x180/0x1c0 # [ 120.560047] Code: d503201f d2800000 d503233f d50323bf (b900001f) # [ 120.566157] ---[ end trace 9c05f44cd6398010 ]--- # EXCEPTION: saw 'call trace:': ok ok 5 selftests: lkdtm: EXCEPTION.sh # 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 [ 121.896916] lkdtm: Performing direct entry CORRUPT_LIST_ADD [ 121.902578] lkdtm: attempting good list addition [ 121.907352] lkdtm: attempting corrupted list addition [ 121.912484] lkdtm: list_add() corruption not detected! # [ 121.896916] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 121.902578] lkdtm: attempting good list addition # [ 121.907352] lkdtm: attempting corrupted list addition # [ 121.912484] 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 [ 122.331098] lkdtm: Performing direct entry CORRUPT_LIST_DEL [ 122.336775] lkdtm: attempting good list removal [ 122.341443] lkdtm: attempting corrupted list removal [ 122.346502] lkdtm: list_del() corruption not detected! # [ 122.331098] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 122.336775] lkdtm: attempting good list removal # [ 122.341443] lkdtm: attempting corrupted list removal # [ 122.346502] 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 [ 122.728425] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING [ 122.734786] lkdtm: attempting bad read from page below current stack [ 122.741235] Unable to handle kernel paging request at virtual address ffff80001500ffff [ 122.749238] Mem abort info: [ 122.752175] ESR = 0x96000007 [ 122.755289] EC = 0x25: DABT (current EL), IL = 32 bits [ 122.760639] SET = 0, FnV = 0 [ 122.763721] EA = 0, S1PTW = 0 [ 122.766889] Data abort info: [ 122.769783] ISV = 0, ISS = 0x00000007 [ 122.773646] CM = 0, WnR = 0 [ 122.776646] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081e2a000 [ 122.783404] [ffff80001500ffff] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=0000000885e2f003, pte=0000000000000000 [ 122.796032] Internal error: Oops: 96000007 [#3] PREEMPT SMP [ 122.801619] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 122.811097] CPU: 1 PID: 1103 Comm: cat Tainted: G D W 5.10.125-cip10 #1 [ 122.818856] Hardware name: ARM Juno development board (r0) (DT) [ 122.824790] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 122.830817] pc : lkdtm_STACK_GUARD_PAGE_LEADING+0x38/0x5c [ 122.836230] lr : lkdtm_STACK_GUARD_PAGE_LEADING+0x30/0x5c [ 122.841638] sp : ffff800015013ce0 [ 122.844958] x29: ffff800015013ce0 x28: ffff000802a51880 [ 122.850291] x27: 0000000000000000 x26: 0000000000000000 [ 122.855623] x25: ffff800011550068 x24: ffff800015013e20 [ 122.860955] x23: 0000000000000019 x22: ffff000807fd5000 [ 122.866287] x21: ffff800011a6c738 x20: ffff800011550118 [ 122.871619] x19: ffff800015010000 x18: 0000000000000000 [ 122.876950] x17: 0000000000000000 x16: 0000000000000000 [ 122.882282] x15: 0000000000000030 x14: ffffffffffffffff [ 122.887613] x13: ffff8000950139c7 x12: ffff8000150139cf [ 122.892944] x11: 0000000000000000 x10: ffff800012668650 [ 122.898276] x9 : ffff800010133204 x8 : ffff800012610650 [ 122.903607] x7 : ffff800012668650 x6 : ffff8000125e1000 [ 122.908939] x5 : ffff8000125e1c88 x4 : ffff00097ef70c50 [ 122.914270] x3 : 0000000000000000 x2 : 0000000000000000 [ 122.919602] x1 : ffff000802a51880 x0 : ffff800011a6d1f8 [ 122.924934] Call trace: [ 122.927387] lkdtm_STACK_GUARD_PAGE_LEADING+0x38/0x5c [ 122.932454] lkdtm_do_action+0x24/0x40 [ 122.936213] direct_entry+0xd4/0x140 [ 122.939799] full_proxy_write+0x6c/0xc0 [ 122.943644] vfs_write+0xf0/0x210 [ 122.946966] ksys_write+0x74/0x100 [ 122.950375] __arm64_sys_write+0x28/0x34 [ 122.954309] el0_svc_common.constprop.0+0x84/0x1e0 [ 122.959111] do_el0_svc+0x30/0xa0 [ 122.962433] el0_svc+0x20/0x30 [ 122.965493] el0_sync_handler+0x1a4/0x1b0 [ 122.969511] el0_sync+0x180/0x1c0 [ 122.972837] Code: 9106e000 97ffe02f d0003e00 9107e000 (385ff261) [ 122.978947] ---[ end trace 9c05f44cd6398011 ]--- # Segmentation fault # [ 122.728425] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 122.734786] lkdtm: attempting bad read from page below current stack # [ 122.741235] Unable to handle kernel paging request at virtual address ffff80001500ffff # [ 122.749238] Mem abort info: # [ 122.752175] ESR = 0x96000007 # [ 122.755289] EC = 0x25: DABT (current EL), IL = 32 bits # [ 122.760639] SET = 0, FnV = 0 # [ 122.763721] EA = 0, S1PTW = 0 # [ 122.766889] Data abort info: # [ 122.769783] ISV = 0, ISS = 0x00000007 # [ 122.773646] CM = 0, WnR = 0 # [ 122.776646] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081e2a000 # [ 122.783404] [ffff80001500ffff] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=0000000885e2f003, pte=0000000000000000 # [ 122.796032] Internal error: Oops: 96000007 [#3] PREEMPT SMP # [ 122.801619] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 122.811097] CPU: 1 PID: 1103 Comm: cat Tainted: G D W 5.10.125-cip10 #1 # [ 122.818856] Hardware name: ARM Juno development board (r0) (DT) # [ 122.824790] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 122.830817] pc : lkdtm_STACK_GUARD_PAGE_LEADING+0x38/0x5c # [ 122.836230] lr : lkdtm_STACK_GUARD_PAGE_LEADING+0x30/0x5c # [ 122.841638] sp : ffff800015013ce0 # [ 122.844958] x29: ffff800015013ce0 x28: ffff000802a51880 # [ 122.850291] x27: 0000000000000000 x26: 0000000000000000 # [ 122.855623] x25: ffff800011550068 x24: ffff800015013e20 # [ 122.860955] x23: 0000000000000019 x22: ffff000807fd5000 # [ 122.866287] x21: ffff800011a6c738 x20: ffff800011550118 # [ 122.871619] x19: ffff800015010000 x18: 0000000000000000 # [ 122.876950] x17: 0000000000000000 x16: 0000000000000000 # [ 122.882282] x15: 0000000000000030 x14: ffffffffffffffff # [ 122.887613] x13: ffff8000950139c7 x12: ffff8000150139cf # [ 122.892944] x11: 0000000000000000 x10: ffff800012668650 # [ 122.898276] x9 : ffff800010133204 x8 : ffff800012610650 # [ 122.903607] x7 : ffff800012668650 x6 : ffff8000125e1000 # [ 122.908939] x5 : ffff8000125e1c88 x4 : ffff00097ef70c50 # [ 122.914270] x3 : 0000000000000000 x2 : 0000000000000000 # [ 122.919602] x1 : ffff000802a51880 x0 : ffff800011a6d1f8 # [ 122.924934] Call trace: # [ 122.927387] lkdtm_STACK_GUARD_PAGE_LEADING+0x38/0x5c # [ 122.932454] lkdtm_do_action+0x24/0x40 # [ 122.936213] direct_entry+0xd4/0x140 # [ 122.939799] full_proxy_write+0x6c/0xc0 # [ 122.943644] vfs_write+0xf0/0x210 # [ 122.946966] ksys_write+0x74/0x100 # [ 122.950375] __arm64_sys_write+0x28/0x34 # [ 122.954309] el0_svc_common.constprop.0+0x84/0x1e0 # [ 122.959111] do_el0_svc+0x30/0xa0 # [ 122.962433] el0_svc+0x20/0x30 # [ 122.965493] el0_sync_handler+0x1a4/0x1b0 # [ 122.969511] el0_sync+0x180/0x1c0 # [ 122.972837] Code: 9106e000 97ffe02f d0003e00 9107e000 (385ff261) # [ 122.978947] ---[ end trace 9c05f44cd6398011 ]--- # STACK_GUARD_PAGE_LEADING: saw 'call trace:': ok ok 12 selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh # selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh [ 123.390500] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING [ 123.396942] lkdtm: attempting bad read from page above current stack [ 123.403388] Unable to handle kernel paging request at virtual address ffff8000150a4000 [ 123.411460] Mem abort info: [ 123.414401] ESR = 0x96000007 [ 123.417480] EC = 0x25: DABT (current EL), IL = 32 bits [ 123.422859] SET = 0, FnV = 0 [ 123.425941] EA = 0, S1PTW = 0 [ 123.429134] Data abort info: [ 123.432128] ISV = 0, ISS = 0x00000007 [ 123.436095] CM = 0, WnR = 0 [ 123.439109] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081e2a000 [ 123.445853] [ffff8000150a4000] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=0000000885e2f003, pte=0000000000000000 [ 123.458524] Internal error: Oops: 96000007 [#4] PREEMPT SMP [ 123.464112] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 123.473593] CPU: 1 PID: 1148 Comm: cat Tainted: G D W 5.10.125-cip10 #1 [ 123.481356] Hardware name: ARM Juno development board (r0) (DT) [ 123.487293] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 123.493320] pc : lkdtm_STACK_GUARD_PAGE_TRAILING+0x3c/0x60 [ 123.498818] lr : lkdtm_STACK_GUARD_PAGE_TRAILING+0x30/0x60 [ 123.504315] sp : ffff8000150a3ce0 [ 123.507638] x29: ffff8000150a3ce0 x28: ffff000802888000 [ 123.512973] x27: 0000000000000000 x26: 0000000000000000 [ 123.518306] x25: ffff800011550068 x24: ffff8000150a3e20 [ 123.523638] x23: 000000000000001a x22: ffff000804182000 [ 123.528970] x21: ffff800011a6c758 x20: ffff800011550128 [ 123.534302] x19: ffff8000150a4000 x18: 0000000000000000 [ 123.539634] x17: 0000000000000000 x16: 0000000000000000 [ 123.544966] x15: 0000000000000030 x14: ffffffffffffffff [ 123.550297] x13: ffff8000950a39c7 x12: ffff8000150a39cf [ 123.555629] x11: 0000000000000008 x10: ffff800012668650 [ 123.560960] x9 : ffff800010133204 x8 : ffff800012610650 [ 123.566292] x7 : ffff800012668650 x6 : ffff8000125e1000 [ 123.571623] x5 : ffff8000125e1c88 x4 : ffff00097efb4c50 [ 123.576955] x3 : 0000000000000000 x2 : 0000000000000000 [ 123.582286] x1 : ffff000802888000 x0 : ffff800011a6d270 [ 123.587618] Call trace: [ 123.590071] lkdtm_STACK_GUARD_PAGE_TRAILING+0x3c/0x60 [ 123.595224] lkdtm_do_action+0x24/0x40 [ 123.598983] direct_entry+0xd4/0x140 [ 123.602569] full_proxy_write+0x6c/0xc0 [ 123.606414] vfs_write+0xf0/0x210 [ 123.609737] ksys_write+0x74/0x100 [ 123.613146] __arm64_sys_write+0x28/0x34 [ 123.617080] el0_svc_common.constprop.0+0x84/0x1e0 [ 123.621881] do_el0_svc+0x30/0xa0 [ 123.625204] el0_svc+0x20/0x30 [ 123.628265] el0_sync_handler+0x1a4/0x1b0 [ 123.632283] el0_sync+0x180/0x1c0 [ 123.635609] Code: 97ffe018 91401273 d0003e00 9109c000 (39400261) [ 123.641719] ---[ end trace 9c05f44cd6398012 ]--- # Segmentation fault # [ 123.390500] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING # [ 123.396942] lkdtm: attempting bad read from page above current stack # [ 123.403388] Unable to handle kernel paging request at virtual address ffff8000150a4000 # [ 123.411460] Mem abort info: # [ 123.414401] ESR = 0x96000007 # [ 123.417480] EC = 0x25: DABT (current EL), IL = 32 bits # [ 123.422859] SET = 0, FnV = 0 # [ 123.425941] EA = 0, S1PTW = 0 # [ 123.429134] Data abort info: # [ 123.432128] ISV = 0, ISS = 0x00000007 # [ 123.436095] CM = 0, WnR = 0 # [ 123.439109] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081e2a000 # [ 123.445853] [ffff8000150a4000] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=0000000885e2f003, pte=0000000000000000 # [ 123.458524] Internal error: Oops: 96000007 [#4] PREEMPT SMP # [ 123.464112] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 123.473593] CPU: 1 PID: 1148 Comm: cat Tainted: G D W 5.10.125-cip10 #1 # [ 123.481356] Hardware name: ARM Juno development board (r0) (DT) # [ 123.487293] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 123.493320] pc : lkdtm_STACK_GUARD_PAGE_TRAILING+0x3c/0x60 # [ 123.498818] lr : lkdtm_STACK_GUARD_PAGE_TRAILING+0x30/0x60 # [ 123.504315] sp : ffff8000150a3ce0 # [ 123.507638] x29: ffff8000150a3ce0 x28: ffff000802888000 # [ 123.512973] x27: 0000000000000000 x26: 0000000000000000 # [ 123.518306] x25: ffff800011550068 x24: ffff8000150a3e20 # [ 123.523638] x23: 000000000000001a x22: ffff000804182000 # [ 123.528970] x21: ffff800011a6c758 x20: ffff800011550128 # [ 123.534302] x19: ffff8000150a4000 x18: 0000000000000000 # [ 123.539634] x17: 0000000000000000 x16: 0000000000000000 # [ 123.544966] x15: 0000000000000030 x14: ffffffffffffffff # [ 123.550297] x13: ffff8000950a39c7 x12: ffff8000150a39cf # [ 123.555629] x11: 0000000000000008 x10: ffff800012668650 # [ 123.560960] x9 : ffff800010133204 x8 : ffff800012610650 # [ 123.566292] x7 : ffff800012668650 x6 : ffff8000125e1000 # [ 123.571623] x5 : ffff8000125e1c88 x4 : ffff00097efb4c50 # [ 123.576955] x3 : 0000000000000000 x2 : 0000000000000000 # [ 123.582286] x1 : ffff000802888000 x0 : ffff800011a6d270 # [ 123.587618] Call trace: # [ 123.590071] lkdtm_STACK_GUARD_PAGE_TRAILING+0x3c/0x60 # [ 123.595224] lkdtm_do_action+0x24/0x40 # [ 123.598983] direct_entry+0xd4/0x140 # [ 123.602569] full_proxy_write+0x6c/0xc0 # [ 123.606414] vfs_write+0xf0/0x210 # [ 123.609737] ksys_write+0x74/0x100 # [ 123.613146] __arm64_sys_write+0x28/0x34 # [ 123.617080] el0_svc_common.constprop.0+0x84/0x1e0 # [ 123.621881] do_el0_svc+0x30/0xa0 # [ 123.625204] el0_svc+0x20/0x30 # [ 123.628265] el0_sync_handler+0x1a4/0x1b0 # [ 123.632283] el0_sync+0x180/0x1c0 # [ 123.635609] Code: 97ffe018 91401273 d0003e00 9109c000 (39400261) # [ 123.641719] ---[ end trace 9c05f44cd6398012 ]--- # STACK_GUARD_PAGE_TRAILING: saw 'call trace:': ok ok 13 selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # selftests: lkdtm: UNSET_SMEP.sh [ 124.059272] lkdtm: Performing direct entry UNSET_SMEP [ 124.064395] lkdtm: XFAIL: this test is x86_64-only # [ 124.059272] lkdtm: Performing direct entry UNSET_SMEP # [ 124.064395] 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 [ 124.450832] lkdtm: Performing direct entry DOUBLE_FAULT [ 124.456143] lkdtm: XFAIL: this test is ia32-only # [ 124.450832] lkdtm: Performing direct entry DOUBLE_FAULT # [ 124.456143] lkdtm: XFAIL: this test is ia32-only # DOUBLE_FAULT: saw 'XFAIL': [SKIP] ok 15 selftests: lkdtm: DOUBLE_FAULT.sh # SKIP # selftests: lkdtm: CORRUPT_PAC.sh [ 124.835184] lkdtm: Performing direct entry CORRUPT_PAC [ 124.840421] lkdtm: FAIL: CPU lacks pointer authentication feature # [ 124.835184] lkdtm: Performing direct entry CORRUPT_PAC # [ 124.840421] lkdtm: FAIL: CPU lacks pointer authentication feature # CORRUPT_PAC: missing 'call trace:': [FAIL] not ok 16 selftests: lkdtm: CORRUPT_PAC.sh # exit=1 # selftests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh [ 125.223801] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE [ 125.230358] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS # [ 125.223801] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # [ 125.230358] 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 [ 126.091157] lkdtm: Performing direct entry READ_AFTER_FREE [ 126.096721] lkdtm: Value in memory before free: 12345678 [ 126.102119] lkdtm: Attempting bad read from freed memory [ 126.107505] lkdtm: Memory was not poisoned # [ 126.091157] lkdtm: Performing direct entry READ_AFTER_FREE # [ 126.096721] lkdtm: Value in memory before free: 12345678 # [ 126.102119] lkdtm: Attempting bad read from freed memory # [ 126.107505] 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 [ 126.718946] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE [ 126.725049] lkdtm: Value in memory before free: 12345678 [ 126.730510] lkdtm: Attempting to read from freed memory [ 126.735835] lkdtm: Buddy page was not poisoned # [ 126.718946] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE # [ 126.725049] lkdtm: Value in memory before free: 12345678 # [ 126.730510] lkdtm: Attempting to read from freed memory # [ 126.735835] 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 [ 127.135620] lkdtm: Performing direct entry SLAB_FREE_DOUBLE [ 127.141295] lkdtm: Attempting double slab free ... # [ 127.135620] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 127.141295] 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 [ 127.550778] lkdtm: Performing direct entry SLAB_FREE_CROSS [ 127.556363] lkdtm: Attempting cross-cache slab free ... # [ 127.550778] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 127.556363] 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 [ 127.965854] lkdtm: Performing direct entry SLAB_FREE_PAGE [ 127.971377] lkdtm: Attempting non-Slab slab free ... # [ 127.965854] lkdtm: Performing direct entry SLAB_FREE_PAGE # [ 127.971377] 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 [ 129.244729] lkdtm: Performing direct entry EXEC_DATA [ 129.249777] lkdtm: attempting ok execution at ffff800010a2bdf0 [ 129.255819] lkdtm: attempting bad execution at ffff80001351f4f0 [ 129.261840] Unable to handle kernel execute from non-executable memory at virtual address ffff80001351f4f0 [ 129.271570] Mem abort info: [ 129.274502] ESR = 0x8600000f [ 129.277570] EC = 0x21: IABT (current EL), IL = 32 bits [ 129.282918] SET = 0, FnV = 0 [ 129.285983] EA = 0, S1PTW = 0 [ 129.289166] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081e2a000 [ 129.295910] [ffff80001351f4f0] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=00000009ffffa003, pte=007800008371f703 [ 129.308547] Internal error: Oops: 8600000f [#5] PREEMPT SMP [ 129.314138] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 129.323615] CPU: 1 PID: 1705 Comm: cat Tainted: G D W 5.10.125-cip10 #1 [ 129.331377] Hardware name: ARM Juno development board (r0) (DT) [ 129.337318] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 129.343348] pc : data_area+0x0/0x40 [ 129.346850] lr : execute_location+0x84/0xa4 [ 129.351039] sp : ffff800015aa3cd0 [ 129.354361] x29: ffff800015aa3cd0 x28: ffff000805009880 [ 129.359695] x27: 0000000000000000 x26: 0000000000000000 [ 129.365028] x25: ffff800011550068 x24: ffff800015aa3e20 [ 129.370360] x23: 000000000000000a x22: ffff000805a09000 [ 129.375692] x21: 0000000000000001 x20: ffff800010a2bdf0 [ 129.381024] x19: ffff80001351f4f0 x18: 0000000000000000 [ 129.386355] x17: 0000000000000000 x16: 0000000000000000 [ 129.391687] x15: 0000000000000030 x14: ffffffffffffffff [ 129.397018] x13: ffff800095aa39b7 x12: ffff800015aa39bf [ 129.402350] x11: 0000000000000008 x10: 0000000000001440 [ 129.407681] x9 : ffff800010133204 x8 : ffff00080500ad20 [ 129.413013] x7 : 0000000000000000 x6 : ffff8000125e1000 [ 129.418344] x5 : ffff8000125e1c88 x4 : ffff00097ef2cc50 [ 129.423676] x3 : 0000000000000000 x2 : 0000000000000000 [ 129.429007] x1 : ffff000805009880 x0 : 0000000000000033 [ 129.434339] Call trace: [ 129.436793] data_area+0x0/0x40 [ 129.439942] lkdtm_EXEC_DATA+0x28/0x34 [ 129.443703] lkdtm_do_action+0x24/0x40 [ 129.447462] direct_entry+0xd4/0x140 [ 129.451049] full_proxy_write+0x6c/0xc0 [ 129.454895] vfs_write+0xf0/0x210 [ 129.458216] ksys_write+0x74/0x100 [ 129.461624] __arm64_sys_write+0x28/0x34 [ 129.465558] el0_svc_common.constprop.0+0x84/0x1e0 [ 129.470360] do_el0_svc+0x30/0xa0 [ 129.473682] el0_svc+0x20/0x30 [ 129.476743] el0_sync_handler+0x1a4/0x1b0 [ 129.480761] el0_sync+0x180/0x1c0 [ 129.484088] Code: 00cda400 ffff0008 00cda500 ffff0008 (d503245f) [ 129.490197] ---[ end trace 9c05f44cd6398013 ]--- # Segmentation fault # [ 129.244729] lkdtm: Performing direct entry EXEC_DATA # [ 129.249777] lkdtm: attempting ok execution at ffff800010a2bdf0 # [ 129.255819] lkdtm: attempting bad execution at ffff80001351f4f0 # [ 129.261840] Unable to handle kernel execute from non-executable memory at virtual address ffff80001351f4f0 # [ 129.271570] Mem abort info: # [ 129.274502] ESR = 0x8600000f # [ 129.277570] EC = 0x21: IABT (current EL), IL = 32 bits # [ 129.282918] SET = 0, FnV = 0 # [ 129.285983] EA = 0, S1PTW = 0 # [ 129.289166] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081e2a000 # [ 129.295910] [ffff80001351f4f0] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=00000009ffffa003, pte=007800008371f703 # [ 129.308547] Internal error: Oops: 8600000f [#5] PREEMPT SMP # [ 129.314138] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 129.323615] CPU: 1 PID: 1705 Comm: cat Tainted: G D W 5.10.125-cip10 #1 # [ 129.331377] Hardware name: ARM Juno development board (r0) (DT) # [ 129.337318] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 129.343348] pc : data_area+0x0/0x40 # [ 129.346850] lr : execute_location+0x84/0xa4 # [ 129.351039] sp : ffff800015aa3cd0 # [ 129.354361] x29: ffff800015aa3cd0 x28: ffff000805009880 # [ 129.359695] x27: 0000000000000000 x26: 0000000000000000 # [ 129.365028] x25: ffff800011550068 x24: ffff800015aa3e20 # [ 129.370360] x23: 000000000000000a x22: ffff000805a09000 # [ 129.375692] x21: 0000000000000001 x20: ffff800010a2bdf0 # [ 129.381024] x19: ffff80001351f4f0 x18: 0000000000000000 # [ 129.386355] x17: 0000000000000000 x16: 0000000000000000 # [ 129.391687] x15: 0000000000000030 x14: ffffffffffffffff # [ 129.397018] x13: ffff800095aa39b7 x12: ffff800015aa39bf # [ 129.402350] x11: 0000000000000008 x10: 0000000000001440 # [ 129.407681] x9 : ffff800010133204 x8 : ffff00080500ad20 # [ 129.413013] x7 : 0000000000000000 x6 : ffff8000125e1000 # [ 129.418344] x5 : ffff8000125e1c88 x4 : ffff00097ef2cc50 # [ 129.423676] x3 : 0000000000000000 x2 : 0000000000000000 # [ 129.429007] x1 : ffff000805009880 x0 : 0000000000000033 # [ 129.434339] Call trace: # [ 129.436793] data_area+0x0/0x40 # [ 129.439942] lkdtm_EXEC_DATA+0x28/0x34 # [ 129.443703] lkdtm_do_action+0x24/0x40 # [ 129.447462] direct_entry+0xd4/0x140 # [ 129.451049] full_proxy_write+0x6c/0xc0 # [ 129.454895] vfs_write+0xf0/0x210 # [ 129.458216] ksys_write+0x74/0x100 # [ 129.461624] __arm64_sys_write+0x28/0x34 # [ 129.465558] el0_svc_common.constprop.0+0x84/0x1e0 # [ 129.470360] do_el0_svc+0x30/0xa0 # [ 129.473682] el0_svc+0x20/0x30 # [ 129.476743] el0_sync_handler+0x1a4/0x1b0 # [ 129.480761] el0_sync+0x180/0x1c0 # [ 129.484088] Code: 00cda400 ffff0008 00cda500 ffff0008 (d503245f) # [ 129.490197] ---[ end trace 9c05f44cd6398013 ]--- # EXEC_DATA: saw 'call trace:': ok ok 30 selftests: lkdtm: EXEC_DATA.sh # selftests: lkdtm: EXEC_STACK.sh [ 129.889877] lkdtm: Performing direct entry EXEC_STACK [ 129.895029] lkdtm: attempting ok execution at ffff800010a2bdf0 [ 129.901092] lkdtm: attempting bad execution at ffff800015b63cc8 [ 129.907095] Unable to handle kernel execute from non-executable memory at virtual address ffff800015b63cc8 [ 129.916901] Mem abort info: [ 129.919778] ESR = 0x8600000f [ 129.923025] EC = 0x21: IABT (current EL), IL = 32 bits [ 129.928466] SET = 0, FnV = 0 [ 129.931652] EA = 0, S1PTW = 0 [ 129.934849] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081e2a000 [ 129.941607] [ffff800015b63cc8] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=0000000885016003, pte=0068000882a7d703 [ 129.954235] Internal error: Oops: 8600000f [#6] PREEMPT SMP [ 129.959821] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 129.969295] CPU: 1 PID: 1747 Comm: cat Tainted: G D W 5.10.125-cip10 #1 [ 129.977057] Hardware name: ARM Juno development board (r0) (DT) [ 129.982994] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 129.989022] pc : 0xffff800015b63cc8 [ 129.992526] lr : execute_location+0x84/0xa4 [ 129.996719] sp : ffff800015b63c80 [ 130.000040] x29: ffff800015b63c80 x28: ffff000805008000 [ 130.005373] x27: 0000000000000000 x26: 0000000000000000 [ 130.010706] x25: ffff800011550068 x24: ffff800015b63e20 [ 130.016038] x23: 000000000000000b x22: ffff0008009c7000 [ 130.021370] x21: 0000000000000001 x20: ffff800010a2bdf0 [ 130.026701] x19: ffff800015b63cc8 x18: 0000000000000000 [ 130.032033] x17: 0000000000000000 x16: 0000000000000000 [ 130.037364] x15: 0000000000000030 x14: ffffffffffffffff [ 130.042696] x13: ffff800095b63967 x12: ffff800015b6396f [ 130.048027] x11: 0000000000000010 x10: ffff800012668650 [ 130.053359] x9 : ffff800010133204 x8 : ffff800012610650 [ 130.058691] x7 : ffff800012668650 x6 : ffff8000125e1000 [ 130.064022] x5 : ffff8000125e1c88 x4 : ffff00097efb4c50 [ 130.069354] x3 : 0000000000000000 x2 : 0000000000000000 [ 130.074684] x1 : ffff000805008000 x0 : 0000000000000033 [ 130.080016] Call trace: [ 130.082468] 0xffff800015b63cc8 [ 130.085617] lkdtm_EXEC_STACK+0x34/0x5c [ 130.089465] lkdtm_do_action+0x24/0x40 [ 130.093224] direct_entry+0xd4/0x140 [ 130.096810] full_proxy_write+0x6c/0xc0 [ 130.100656] vfs_write+0xf0/0x210 [ 130.103977] ksys_write+0x74/0x100 [ 130.107386] __arm64_sys_write+0x28/0x34 [ 130.111320] el0_svc_common.constprop.0+0x84/0x1e0 [ 130.116122] do_el0_svc+0x30/0xa0 [ 130.119444] el0_svc+0x20/0x30 [ 130.122505] el0_sync_handler+0x1a4/0x1b0 [ 130.126522] el0_sync+0x180/0x1c0 [ 130.129849] Code: 10a2ae44 ffff8000 15b63d20 ffff8000 (d503245f) [ 130.135958] ---[ end trace 9c05f44cd6398014 ]--- # Segmentation fault # [ 129.889877] lkdtm: Performing direct entry EXEC_STACK # [ 129.895029] lkdtm: attempting ok execution at ffff800010a2bdf0 # [ 129.901092] lkdtm: attempting bad execution at ffff800015b63cc8 # [ 129.907095] Unable to handle kernel execute from non-executable memory at virtual address ffff800015b63cc8 # [ 129.916901] Mem abort info: # [ 129.919778] ESR = 0x8600000f # [ 129.923025] EC = 0x21: IABT (current EL), IL = 32 bits # [ 129.928466] SET = 0, FnV = 0 # [ 129.931652] EA = 0, S1PTW = 0 # [ 129.934849] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081e2a000 # [ 129.941607] [ffff800015b63cc8] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=0000000885016003, pte=0068000882a7d703 # [ 129.954235] Internal error: Oops: 8600000f [#6] PREEMPT SMP # [ 129.959821] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 129.969295] CPU: 1 PID: 1747 Comm: cat Tainted: G D W 5.10.125-cip10 #1 # [ 129.977057] Hardware name: ARM Juno development board (r0) (DT) # [ 129.982994] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 129.989022] pc : 0xffff800015b63cc8 # [ 129.992526] lr : execute_location+0x84/0xa4 # [ 129.996719] sp : ffff800015b63c80 # [ 130.000040] x29: ffff800015b63c80 x28: ffff000805008000 # [ 130.005373] x27: 0000000000000000 x26: 0000000000000000 # [ 130.010706] x25: ffff800011550068 x24: ffff800015b63e20 # [ 130.016038] x23: 000000000000000b x22: ffff0008009c7000 # [ 130.021370] x21: 0000000000000001 x20: ffff800010a2bdf0 # [ 130.026701] x19: ffff800015b63cc8 x18: 0000000000000000 # [ 130.032033] x17: 0000000000000000 x16: 0000000000000000 # [ 130.037364] x15: 0000000000000030 x14: ffffffffffffffff # [ 130.042696] x13: ffff800095b63967 x12: ffff800015b6396f # [ 130.048027] x11: 0000000000000010 x10: ffff800012668650 # [ 130.053359] x9 : ffff800010133204 x8 : ffff800012610650 # [ 130.058691] x7 : ffff800012668650 x6 : ffff8000125e1000 # [ 130.064022] x5 : ffff8000125e1c88 x4 : ffff00097efb4c50 # [ 130.069354] x3 : 0000000000000000 x2 : 0000000000000000 # [ 130.074684] x1 : ffff000805008000 x0 : 0000000000000033 # [ 130.080016] Call trace: # [ 130.082468] 0xffff800015b63cc8 # [ 130.085617] lkdtm_EXEC_STACK+0x34/0x5c # [ 130.089465] lkdtm_do_action+0x24/0x40 # [ 130.093224] direct_entry+0xd4/0x140 # [ 130.096810] full_proxy_write+0x6c/0xc0 # [ 130.100656] vfs_write+0xf0/0x210 # [ 130.103977] ksys_write+0x74/0x100 # [ 130.107386] __arm64_sys_write+0x28/0x34 # [ 130.111320] el0_svc_common.constprop.0+0x84/0x1e0 # [ 130.116122] do_el0_svc+0x30/0xa0 # [ 130.119444] el0_svc+0x20/0x30 # [ 130.122505] el0_sync_handler+0x1a4/0x1b0 # [ 130.126522] el0_sync+0x180/0x1c0 # [ 130.129849] Code: 10a2ae44 ffff8000 15b63d20 ffff8000 (d503245f) # [ 130.135958] ---[ end trace 9c05f44cd6398014 ]--- # EXEC_STACK: saw 'call trace:': ok ok 31 selftests: lkdtm: EXEC_STACK.sh # selftests: lkdtm: EXEC_KMALLOC.sh [ 130.539993] lkdtm: Performing direct entry EXEC_KMALLOC [ 130.545297] lkdtm: attempting ok execution at ffff800010a2bdf0 [ 130.551587] lkdtm: attempting bad execution at ffff000802a81f00 [ 130.557587] Unable to handle kernel execute from non-executable memory at virtual address ffff000802a81f00 [ 130.567559] Mem abort info: [ 130.570415] ESR = 0x8600000f [ 130.573484] EC = 0x21: IABT (current EL), IL = 32 bits [ 130.578855] SET = 0, FnV = 0 [ 130.581922] EA = 0, S1PTW = 0 [ 130.585100] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081e2a000 [ 130.591840] [ffff000802a81f00] pgd=00000009ffff9003, p4d=00000009ffff9003, pud=00000009ffc0c003, pmd=00000009ffbf6003, pte=0068000882a81707 [ 130.604463] Internal error: Oops: 8600000f [#7] PREEMPT SMP [ 130.610051] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 130.619529] CPU: 1 PID: 1789 Comm: cat Tainted: G D W 5.10.125-cip10 #1 [ 130.627288] Hardware name: ARM Juno development board (r0) (DT) [ 130.633222] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 130.639244] pc : 0xffff000802a81f00 [ 130.642745] lr : execute_location+0x84/0xa4 [ 130.646935] sp : ffff800015c2bcc0 [ 130.650255] x29: ffff800015c2bcc0 x28: ffff000803396200 [ 130.655588] x27: 0000000000000000 x26: 0000000000000000 [ 130.660920] x25: ffff800011550068 x24: ffff800015c2be20 [ 130.666252] x23: 000000000000000d x22: ffff00080739a000 [ 130.671583] x21: 0000000000000001 x20: ffff800010a2bdf0 [ 130.676914] x19: ffff000802a81f00 x18: 0000000000000000 [ 130.682246] x17: 0000000000000000 x16: 0000000000000000 [ 130.687577] x15: 0000000000000030 x14: ffffffffffffffff [ 130.692908] x13: ffff800095c2b9a7 x12: ffff800015c2b9af [ 130.698240] x11: 0000000000000020 x10: ffff800012668650 [ 130.703571] x9 : ffff800010133204 x8 : ffff800012610650 [ 130.708903] x7 : ffff800012668650 x6 : ffff8000125e1000 [ 130.714234] x5 : ffff8000125e1c88 x4 : ffff00097ef0ac50 [ 130.719565] x3 : 0000000000000000 x2 : 0000000000000000 [ 130.724897] x1 : ffff000803396200 x0 : 0000000000000033 [ 130.730229] Call trace: [ 130.732681] 0xffff000802a81f00 [ 130.735831] lkdtm_EXEC_KMALLOC+0x38/0x50 [ 130.739851] lkdtm_do_action+0x24/0x40 [ 130.743609] direct_entry+0xd4/0x140 [ 130.747195] full_proxy_write+0x6c/0xc0 [ 130.751041] vfs_write+0xf0/0x210 [ 130.754362] ksys_write+0x74/0x100 [ 130.757770] __arm64_sys_write+0x28/0x34 [ 130.761704] el0_svc_common.constprop.0+0x84/0x1e0 [ 130.766506] do_el0_svc+0x30/0xa0 [ 130.769828] el0_svc+0x20/0x30 [ 130.772889] el0_sync_handler+0x1a4/0x1b0 [ 130.776906] el0_sync+0x180/0x1c0 [ 130.780233] Code: 00000000 00000000 00000000 00000000 (d503245f) [ 130.786343] ---[ end trace 9c05f44cd6398015 ]--- # Segmentation fault # [ 130.539993] lkdtm: Performing direct entry EXEC_KMALLOC # [ 130.545297] lkdtm: attempting ok execution at ffff800010a2bdf0 # [ 130.551587] lkdtm: attempting bad execution at ffff000802a81f00 # [ 130.557587] Unable to handle kernel execute from non-executable memory at virtual address ffff000802a81f00 # [ 130.567559] Mem abort info: # [ 130.570415] ESR = 0x8600000f # [ 130.573484] EC = 0x21: IABT (current EL), IL = 32 bits # [ 130.578855] SET = 0, FnV = 0 # [ 130.581922] EA = 0, S1PTW = 0 # [ 130.585100] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081e2a000 # [ 130.591840] [ffff000802a81f00] pgd=00000009ffff9003, p4d=00000009ffff9003, pud=00000009ffc0c003, pmd=00000009ffbf6003, pte=0068000882a81707 # [ 130.604463] Internal error: Oops: 8600000f [#7] PREEMPT SMP # [ 130.610051] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 130.619529] CPU: 1 PID: 1789 Comm: cat Tainted: G D W 5.10.125-cip10 #1 # [ 130.627288] Hardware name: ARM Juno development board (r0) (DT) # [ 130.633222] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 130.639244] pc : 0xffff000802a81f00 # [ 130.642745] lr : execute_location+0x84/0xa4 # [ 130.646935] sp : ffff800015c2bcc0 # [ 130.650255] x29: ffff800015c2bcc0 x28: ffff000803396200 # [ 130.655588] x27: 0000000000000000 x26: 0000000000000000 # [ 130.660920] x25: ffff800011550068 x24: ffff800015c2be20 # [ 130.666252] x23: 000000000000000d x22: ffff00080739a000 # [ 130.671583] x21: 0000000000000001 x20: ffff800010a2bdf0 # [ 130.676914] x19: ffff000802a81f00 x18: 0000000000000000 # [ 130.682246] x17: 0000000000000000 x16: 0000000000000000 # [ 130.687577] x15: 0000000000000030 x14: ffffffffffffffff # [ 130.692908] x13: ffff800095c2b9a7 x12: ffff800015c2b9af # [ 130.698240] x11: 0000000000000020 x10: ffff800012668650 # [ 130.703571] x9 : ffff800010133204 x8 : ffff800012610650 # [ 130.708903] x7 : ffff800012668650 x6 : ffff8000125e1000 # [ 130.714234] x5 : ffff8000125e1c88 x4 : ffff00097ef0ac50 # [ 130.719565] x3 : 0000000000000000 x2 : 0000000000000000 # [ 130.724897] x1 : ffff000803396200 x0 : 0000000000000033 # [ 130.730229] Call trace: # [ 130.732681] 0xffff000802a81f00 # [ 130.735831] lkdtm_EXEC_KMALLOC+0x38/0x50 # [ 130.739851] lkdtm_do_action+0x24/0x40 # [ 130.743609] direct_entry+0xd4/0x140 # [ 130.747195] full_proxy_write+0x6c/0xc0 # [ 130.751041] vfs_write+0xf0/0x210 # [ 130.754362] ksys_write+0x74/0x100 # [ 130.757770] __arm64_sys_write+0x28/0x34 # [ 130.761704] el0_svc_common.constprop.0+0x84/0x1e0 # [ 130.766506] do_el0_svc+0x30/0xa0 # [ 130.769828] el0_svc+0x20/0x30 # [ 130.772889] el0_sync_handler+0x1a4/0x1b0 # [ 130.776906] el0_sync+0x180/0x1c0 # [ 130.780233] Code: 00000000 00000000 00000000 00000000 (d503245f) # [ 130.786343] ---[ end trace 9c05f44cd6398015 ]--- # EXEC_KMALLOC: saw 'call trace:': ok ok 32 selftests: lkdtm: EXEC_KMALLOC.sh # selftests: lkdtm: EXEC_VMALLOC.sh [ 131.193020] lkdtm: Performing direct entry EXEC_VMALLOC [ 131.198420] lkdtm: attempting ok execution at ffff800010a2bdf0 [ 131.204494] lkdtm: attempting bad execution at ffff800013b07000 [ 131.210624] Unable to handle kernel execute from non-executable memory at virtual address ffff800013b07000 [ 131.220424] Mem abort info: [ 131.224923] ESR = 0x8600000f [ 131.230187] EC = 0x21: IABT (current EL), IL = 32 bits [ 131.235658] SET = 0, FnV = 0 [ 131.238780] EA = 0, S1PTW = 0 [ 131.241940] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081e2a000 [ 131.248781] [ffff800013b07000] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=00000008809df003, pte=0068000880cea703 [ 131.261476] Internal error: Oops: 8600000f [#8] PREEMPT SMP [ 131.267065] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 131.276540] CPU: 1 PID: 1831 Comm: cat Tainted: G D W 5.10.125-cip10 #1 [ 131.284302] Hardware name: ARM Juno development board (r0) (DT) [ 131.290243] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 131.296272] pc : 0xffff800013b07000 [ 131.299777] lr : execute_location+0x84/0xa4 [ 131.303968] sp : ffff800015ce3cc0 [ 131.307292] x29: ffff800015ce3cc0 x28: ffff000802a51880 [ 131.312626] x27: 0000000000000000 x26: 0000000000000000 [ 131.317959] x25: ffff800011550068 x24: ffff800015ce3e20 [ 131.323291] x23: 000000000000000d x22: ffff000800cea000 [ 131.328622] x21: 0000000000000001 x20: ffff800010a2bdf0 [ 131.333954] x19: ffff800013b07000 x18: 0000000000000000 [ 131.339286] x17: 0000000000000000 x16: 0000000000000000 [ 131.344617] x15: 0000000000000030 x14: ffffffffffffffff [ 131.349949] x13: ffff800095ce39a7 x12: ffff800015ce39af [ 131.355280] x11: ffff800013b2f000 x10: ffff800012668650 [ 131.360611] x9 : ffff800010133204 x8 : ffff800012610650 [ 131.365943] x7 : ffff800012668650 x6 : ffff8000125e1000 [ 131.371274] x5 : ffff8000125e1c88 x4 : ffff00097ef0ac50 [ 131.376606] x3 : 0000000000000000 x2 : 0000000000000000 [ 131.381937] x1 : ffff000802a51880 x0 : 0000000000000033 [ 131.387269] Call trace: [ 131.389721] 0xffff800013b07000 [ 131.392871] lkdtm_EXEC_VMALLOC+0x30/0x50 [ 131.396891] lkdtm_do_action+0x24/0x40 [ 131.400649] direct_entry+0xd4/0x140 [ 131.404236] full_proxy_write+0x6c/0xc0 [ 131.408081] vfs_write+0xf0/0x210 [ 131.411403] ksys_write+0x74/0x100 [ 131.414812] __arm64_sys_write+0x28/0x34 [ 131.418746] el0_svc_common.constprop.0+0x84/0x1e0 [ 131.423548] do_el0_svc+0x30/0xa0 [ 131.426871] el0_svc+0x20/0x30 [ 131.429931] el0_sync_handler+0x1a4/0x1b0 [ 131.433949] el0_sync+0x180/0x1c0 [ 131.437276] Code: bad PC value [ 131.440339] ---[ end trace 9c05f44cd6398016 ]--- # Segmentation fault # [ 131.193020] lkdtm: Performing direct entry EXEC_VMALLOC # [ 131.198420] lkdtm: attempting ok execution at ffff800010a2bdf0 # [ 131.204494] lkdtm: attempting bad execution at ffff800013b07000 # [ 131.210624] Unable to handle kernel execute from non-executable memory at virtual address ffff800013b07000 # [ 131.220424] Mem abort info: # [ 131.224923] ESR = 0x8600000f # [ 131.230187] EC = 0x21: IABT (current EL), IL = 32 bits # [ 131.235658] SET = 0, FnV = 0 # [ 131.238780] EA = 0, S1PTW = 0 # [ 131.241940] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081e2a000 # [ 131.248781] [ffff800013b07000] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=00000008809df003, pte=0068000880cea703 # [ 131.261476] Internal error: Oops: 8600000f [#8] PREEMPT SMP # [ 131.267065] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 131.276540] CPU: 1 PID: 1831 Comm: cat Tainted: G D W 5.10.125-cip10 #1 # [ 131.284302] Hardware name: ARM Juno development board (r0) (DT) # [ 131.290243] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 131.296272] pc : 0xffff800013b07000 # [ 131.299777] lr : execute_location+0x84/0xa4 # [ 131.303968] sp : ffff800015ce3cc0 # [ 131.307292] x29: ffff800015ce3cc0 x28: ffff000802a51880 # [ 131.312626] x27: 0000000000000000 x26: 0000000000000000 # [ 131.317959] x25: ffff800011550068 x24: ffff800015ce3e20 # [ 131.323291] x23: 000000000000000d x22: ffff000800cea000 # [ 131.328622] x21: 0000000000000001 x20: ffff800010a2bdf0 # [ 131.333954] x19: ffff800013b07000 x18: 0000000000000000 # [ 131.339286] x17: 0000000000000000 x16: 0000000000000000 # [ 131.344617] x15: 0000000000000030 x14: ffffffffffffffff # [ 131.349949] x13: ffff800095ce39a7 x12: ffff800015ce39af # [ 131.355280] x11: ffff800013b2f000 x10: ffff800012668650 # [ 131.360611] x9 : ffff800010133204 x8 : ffff800012610650 # [ 131.365943] x7 : ffff800012668650 x6 : ffff8000125e1000 # [ 131.371274] x5 : ffff8000125e1c88 x4 : ffff00097ef0ac50 # [ 131.376606] x3 : 0000000000000000 x2 : 0000000000000000 # [ 131.381937] x1 : ffff000802a51880 x0 : 0000000000000033 # [ 131.387269] Call trace: # [ 131.389721] 0xffff800013b07000 # [ 131.392871] lkdtm_EXEC_VMALLOC+0x30/0x50 # [ 131.396891] lkdtm_do_action+0x24/0x40 # [ 131.400649] direct_entry+0xd4/0x140 # [ 131.404236] full_proxy_write+0x6c/0xc0 # [ 131.408081] vfs_write+0xf0/0x210 # [ 131.411403] ksys_write+0x74/0x100 # [ 131.414812] __arm64_sys_write+0x28/0x34 # [ 131.418746] el0_svc_common.constprop.0+0x84/0x1e0 # [ 131.423548] do_el0_svc+0x30/0xa0 # [ 131.426871] el0_svc+0x20/0x30 # [ 131.429931] el0_sync_handler+0x1a4/0x1b0 # [ 131.433949] el0_sync+0x180/0x1c0 # [ 131.437276] Code: bad PC value # [ 131.440339] ---[ end trace 9c05f44cd6398016 ]--- # EXEC_VMALLOC: saw 'call trace:': ok ok 33 selftests: lkdtm: EXEC_VMALLOC.sh # selftests: lkdtm: EXEC_RODATA.sh [ 131.846813] lkdtm: Performing direct entry EXEC_RODATA [ 131.852024] lkdtm: attempting ok execution at ffff800010a2bdf0 [ 131.857937] lkdtm: attempting bad execution at ffff800011550560 [ 131.864004] Unable to handle kernel execute from non-executable memory at virtual address ffff800011550560 [ 131.873832] Mem abort info: [ 131.878484] ESR = 0x8600000e [ 131.881557] EC = 0x21: IABT (current EL), IL = 32 bits [ 131.886932] SET = 0, FnV = 0 [ 131.889999] EA = 0, S1PTW = 0 [ 131.893173] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081e2a000 [ 131.899912] [ffff800011550560] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=0060000081600781 [ 131.910662] Internal error: Oops: 8600000e [#9] PREEMPT SMP [ 131.916250] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 131.925725] CPU: 2 PID: 1873 Comm: cat Tainted: G D W 5.10.125-cip10 #1 [ 131.933486] Hardware name: ARM Juno development board (r0) (DT) [ 131.939423] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 131.945449] pc : lkdtm_rodata_do_nothing+0x0/0x10 [ 131.950165] lr : execute_location+0x84/0xa4 [ 131.954356] sp : ffff800015d73cd0 [ 131.957678] x29: ffff800015d73cd0 x28: ffff0008065b6200 [ 131.963014] x27: 0000000000000000 x26: 0000000000000000 [ 131.968346] x25: ffff800011550068 x24: ffff800015d73e20 [ 131.973678] x23: 000000000000000c x22: ffff000806580000 [ 131.979010] x21: 0000000000000000 x20: ffff800010a2bdf0 [ 131.984342] x19: ffff800011550560 x18: 0000000000000000 [ 131.989673] x17: 0000000000000000 x16: 0000000000000000 [ 131.995004] x15: 0000000000000030 x14: ffffffffffffffff [ 132.000336] x13: ffff800095d739b7 x12: ffff800015d739bf [ 132.005667] x11: 0000000000000018 x10: 0000000000001440 [ 132.010999] x9 : ffff800010133204 x8 : ffff0008065b76a0 [ 132.016331] x7 : 0000000000000000 x6 : ffff8000125e1000 [ 132.021663] x5 : ffff8000125e1c88 x4 : ffff00097efb4c50 [ 132.026994] x3 : 0000000000000000 x2 : 0000000000000000 [ 132.032326] x1 : ffff0008065b6200 x0 : 0000000000000033 [ 132.037657] Call trace: [ 132.040110] lkdtm_rodata_do_nothing+0x0/0x10 [ 132.044476] lkdtm_EXEC_RODATA+0x28/0x34 [ 132.048411] lkdtm_do_action+0x24/0x40 [ 132.052169] direct_entry+0xd4/0x140 [ 132.055755] full_proxy_write+0x6c/0xc0 [ 132.059601] vfs_write+0xf0/0x210 [ 132.062923] ksys_write+0x74/0x100 [ 132.066331] __arm64_sys_write+0x28/0x34 [ 132.070265] el0_svc_common.constprop.0+0x84/0x1e0 [ 132.075066] do_el0_svc+0x30/0xa0 [ 132.078388] el0_svc+0x20/0x30 [ 132.081449] el0_sync_handler+0x1a4/0x1b0 [ 132.085467] el0_sync+0x180/0x1c0 [ 132.088793] Code: 00000074 00000000 aa55aa55 00000000 (d503233f) [ 132.094902] ---[ end trace 9c05f44cd6398017 ]--- # Segmentation fault # [ 131.846813] lkdtm: Performing direct entry EXEC_RODATA # [ 131.852024] lkdtm: attempting ok execution at ffff800010a2bdf0 # [ 131.857937] lkdtm: attempting bad execution at ffff800011550560 # [ 131.864004] Unable to handle kernel execute from non-executable memory at virtual address ffff800011550560 # [ 131.873832] Mem abort info: # [ 131.878484] ESR = 0x8600000e # [ 131.881557] EC = 0x21: IABT (current EL), IL = 32 bits # [ 131.886932] SET = 0, FnV = 0 # [ 131.889999] EA = 0, S1PTW = 0 # [ 131.893173] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081e2a000 # [ 131.899912] [ffff800011550560] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=0060000081600781 # [ 131.910662] Internal error: Oops: 8600000e [#9] PREEMPT SMP # [ 131.916250] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 131.925725] CPU: 2 PID: 1873 Comm: cat Tainted: G D W 5.10.125-cip10 #1 # [ 131.933486] Hardware name: ARM Juno development board (r0) (DT) # [ 131.939423] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 131.945449] pc : lkdtm_rodata_do_nothing+0x0/0x10 # [ 131.950165] lr : execute_location+0x84/0xa4 # [ 131.954356] sp : ffff800015d73cd0 # [ 131.957678] x29: ffff800015d73cd0 x28: ffff0008065b6200 # [ 131.963014] x27: 0000000000000000 x26: 0000000000000000 # [ 131.968346] x25: ffff800011550068 x24: ffff800015d73e20 # [ 131.973678] x23: 000000000000000c x22: ffff000806580000 # [ 131.979010] x21: 0000000000000000 x20: ffff800010a2bdf0 # [ 131.984342] x19: ffff800011550560 x18: 0000000000000000 # [ 131.989673] x17: 0000000000000000 x16: 0000000000000000 # [ 131.995004] x15: 0000000000000030 x14: ffffffffffffffff # [ 132.000336] x13: ffff800095d739b7 x12: ffff800015d739bf # [ 132.005667] x11: 0000000000000018 x10: 0000000000001440 # [ 132.010999] x9 : ffff800010133204 x8 : ffff0008065b76a0 # [ 132.016331] x7 : 0000000000000000 x6 : ffff8000125e1000 # [ 132.021663] x5 : ffff8000125e1c88 x4 : ffff00097efb4c50 # [ 132.026994] x3 : 0000000000000000 x2 : 0000000000000000 # [ 132.032326] x1 : ffff0008065b6200 x0 : 0000000000000033 # [ 132.037657] Call trace: # [ 132.040110] lkdtm_rodata_do_nothing+0x0/0x10 # [ 132.044476] lkdtm_EXEC_RODATA+0x28/0x34 # [ 132.048411] lkdtm_do_action+0x24/0x40 # [ 132.052169] direct_entry+0xd4/0x140 # [ 132.055755] full_proxy_write+0x6c/0xc0 # [ 132.059601] vfs_write+0xf0/0x210 # [ 132.062923] ksys_write+0x74/0x100 # [ 132.066331] __arm64_sys_write+0x28/0x34 # [ 132.070265] el0_svc_common.constprop.0+0x84/0x1e0 # [ 132.075066] do_el0_svc+0x30/0xa0 # [ 132.078388] el0_svc+0x20/0x30 # [ 132.081449] el0_sync_handler+0x1a4/0x1b0 # [ 132.085467] el0_sync+0x180/0x1c0 # [ 132.088793] Code: 00000074 00000000 aa55aa55 00000000 (d503233f) # [ 132.094902] ---[ end trace 9c05f44cd6398017 ]--- # EXEC_RODATA: saw 'call trace:': ok ok 34 selftests: lkdtm: EXEC_RODATA.sh # selftests: lkdtm: EXEC_USERSPACE.sh [ 132.505146] lkdtm: Performing direct entry EXEC_USERSPACE [ 132.510663] lkdtm: attempting ok execution at ffff800010a2bdf0 [ 132.516718] lkdtm: attempting bad execution at 0000ffffbbd45000 [ 132.522745] Unable to handle kernel execution of user memory at virtual address 0000ffffbbd45000 [ 132.531885] Mem abort info: [ 132.534823] ESR = 0x8600000f [ 132.537903] EC = 0x21: IABT (current EL), IL = 32 bits [ 132.543281] SET = 0, FnV = 0 [ 132.546368] EA = 0, S1PTW = 0 [ 132.549522] user pgtable: 4k pages, 48-bit VAs, pgdp=0000000885754000 [ 132.556000] [0000ffffbbd45000] pgd=0000000884b29003, p4d=0000000884b29003, pud=0000000883ca6003, pmd=0000000882e8e003, pte=00a800088ce12f43 [ 132.568632] Internal error: Oops: 8600000f [#10] PREEMPT SMP [ 132.574307] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 132.583782] CPU: 1 PID: 1915 Comm: cat Tainted: G D W 5.10.125-cip10 #1 [ 132.591541] Hardware name: ARM Juno development board (r0) (DT) [ 132.597477] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 132.603506] pc : 0xffffbbd45000 [ 132.606662] lr : lkdtm_EXEC_USERSPACE+0xe4/0xf4 [ 132.611200] sp : ffff800015e0bcf0 [ 132.614521] x29: ffff800015e0bcf0 x28: ffff000802889880 [ 132.619854] x27: 0000000000000000 x26: 0000000000000000 [ 132.625187] x25: ffff800011550068 x24: ffff800015e0be20 [ 132.630518] x23: 000000000000000f x22: ffff000802ed2000 [ 132.635850] x21: ffff800011a6c928 x20: ffff800010a2bdf0 [ 132.641182] x19: 0000ffffbbd45000 x18: 0000000000000000 [ 132.646513] x17: 0000000000000000 x16: 0000000000000000 [ 132.651845] x15: 0000000000000030 x14: ffffffffffffffff [ 132.657177] x13: ffff800095e0b9d7 x12: ffff800015e0b9df [ 132.662508] x11: aa1e03e9d503245f x10: ffff800012668650 [ 132.667840] x9 : ffff800010133204 x8 : ffff800012610650 [ 132.673171] x7 : ffff800012668650 x6 : ffff8000125e1000 [ 132.678503] x5 : ffff8000125e1c88 x4 : ffff00097ef70c50 [ 132.683834] x3 : 0000000000000000 x2 : 0000000000000000 [ 132.689166] x1 : ffff000802889880 x0 : 0000000000000033 [ 132.694497] Call trace: [ 132.696949] 0xffffbbd45000 [ 132.699752] lkdtm_do_action+0x24/0x40 [ 132.703511] direct_entry+0xd4/0x140 [ 132.707097] full_proxy_write+0x6c/0xc0 [ 132.710943] vfs_write+0xf0/0x210 [ 132.714264] ksys_write+0x74/0x100 [ 132.717672] __arm64_sys_write+0x28/0x34 [ 132.721606] el0_svc_common.constprop.0+0x84/0x1e0 [ 132.726408] do_el0_svc+0x30/0xa0 [ 132.729731] el0_svc+0x20/0x30 [ 132.732792] el0_sync_handler+0x1a4/0x1b0 [ 132.736809] el0_sync+0x180/0x1c0 [ 132.740136] Code: bad PC value [ 132.743200] ---[ end trace 9c05f44cd6398018 ]--- # Segmentation fault # [ 132.505146] lkdtm: Performing direct entry EXEC_USERSPACE # [ 132.510663] lkdtm: attempting ok execution at ffff800010a2bdf0 # [ 132.516718] lkdtm: attempting bad execution at 0000ffffbbd45000 # [ 132.522745] Unable to handle kernel execution of user memory at virtual address 0000ffffbbd45000 # [ 132.531885] Mem abort info: # [ 132.534823] ESR = 0x8600000f # [ 132.537903] EC = 0x21: IABT (current EL), IL = 32 bits # [ 132.543281] SET = 0, FnV = 0 # [ 132.546368] EA = 0, S1PTW = 0 # [ 132.549522] user pgtable: 4k pages, 48-bit VAs, pgdp=0000000885754000 # [ 132.556000] [0000ffffbbd45000] pgd=0000000884b29003, p4d=0000000884b29003, pud=0000000883ca6003, pmd=0000000882e8e003, pte=00a800088ce12f43 # [ 132.568632] Internal error: Oops: 8600000f [#10] PREEMPT SMP # [ 132.574307] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 132.583782] CPU: 1 PID: 1915 Comm: cat Tainted: G D W 5.10.125-cip10 #1 # [ 132.591541] Hardware name: ARM Juno development board (r0) (DT) # [ 132.597477] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 132.603506] pc : 0xffffbbd45000 # [ 132.606662] lr : lkdtm_EXEC_USERSPACE+0xe4/0xf4 # [ 132.611200] sp : ffff800015e0bcf0 # [ 132.614521] x29: ffff800015e0bcf0 x28: ffff000802889880 # [ 132.619854] x27: 0000000000000000 x26: 0000000000000000 # [ 132.625187] x25: ffff800011550068 x24: ffff800015e0be20 # [ 132.630518] x23: 000000000000000f x22: ffff000802ed2000 # [ 132.635850] x21: ffff800011a6c928 x20: ffff800010a2bdf0 # [ 132.641182] x19: 0000ffffbbd45000 x18: 0000000000000000 # [ 132.646513] x17: 0000000000000000 x16: 0000000000000000 # [ 132.651845] x15: 0000000000000030 x14: ffffffffffffffff # [ 132.657177] x13: ffff800095e0b9d7 x12: ffff800015e0b9df # [ 132.662508] x11: aa1e03e9d503245f x10: ffff800012668650 # [ 132.667840] x9 : ffff800010133204 x8 : ffff800012610650 # [ 132.673171] x7 : ffff800012668650 x6 : ffff8000125e1000 # [ 132.678503] x5 : ffff8000125e1c88 x4 : ffff00097ef70c50 # [ 132.683834] x3 : 0000000000000000 x2 : 0000000000000000 # [ 132.689166] x1 : ffff000802889880 x0 : 0000000000000033 # [ 132.694497] Call trace: # [ 132.696949] 0xffffbbd45000 # [ 132.699752] lkdtm_do_action+0x24/0x40 # [ 132.703511] direct_entry+0xd4/0x140 # [ 132.707097] full_proxy_write+0x6c/0xc0 # [ 132.710943] vfs_write+0xf0/0x210 # [ 132.714264] ksys_write+0x74/0x100 # [ 132.717672] __arm64_sys_write+0x28/0x34 # [ 132.721606] el0_svc_common.constprop.0+0x84/0x1e0 # [ 132.726408] do_el0_svc+0x30/0xa0 # [ 132.729731] el0_svc+0x20/0x30 # [ 132.732792] el0_sync_handler+0x1a4/0x1b0 # [ 132.736809] el0_sync+0x180/0x1c0 # [ 132.740136] Code: bad PC value # [ 132.743200] ---[ end trace 9c05f44cd6398018 ]--- # EXEC_USERSPACE: saw 'call trace:': ok ok 35 selftests: lkdtm: EXEC_USERSPACE.sh # selftests: lkdtm: EXEC_NULL.sh [ 133.184148] lkdtm: Performing direct entry EXEC_NULL [ 133.189214] lkdtm: attempting ok execution at ffff800010a2bdf0 [ 133.195201] lkdtm: attempting bad execution at 0000000000000000 [ 133.201232] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000 [ 133.210244] Mem abort info: [ 133.213376] ESR = 0x86000004 [ 133.216758] EC = 0x21: IABT (current EL), IL = 32 bits [ 133.222126] SET = 0, FnV = 0 [ 133.225217] EA = 0, S1PTW = 0 [ 133.228466] user pgtable: 4k pages, 48-bit VAs, pgdp=000000088716c000 [ 133.234967] [0000000000000000] pgd=0000000000000000, p4d=0000000000000000 [ 133.241875] Internal error: Oops: 86000004 [#11] PREEMPT SMP [ 133.247553] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 133.257035] CPU: 1 PID: 1957 Comm: cat Tainted: G D W 5.10.125-cip10 #1 [ 133.264798] Hardware name: ARM Juno development board (r0) (DT) [ 133.270735] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 133.276764] pc : 0x0 [ 133.278962] lr : execute_location+0x84/0xa4 [ 133.283155] sp : ffff800015eabcd0 [ 133.286478] x29: ffff800015eabcd0 x28: ffff0008063eb100 [ 133.291812] x27: 0000000000000000 x26: 0000000000000000 [ 133.297145] x25: ffff800011550068 x24: ffff800015eabe20 [ 133.302477] x23: 000000000000000a x22: ffff000805a75000 [ 133.307809] x21: 0000000000000000 x20: ffff800010a2bdf0 [ 133.313141] x19: 0000000000000000 x18: 0000000000000000 [ 133.318472] x17: 0000000000000000 x16: 0000000000000000 [ 133.323803] x15: 0000000000000030 x14: ffffffffffffffff [ 133.329135] x13: ffff800095eab9b7 x12: ffff800015eab9bf [ 133.334466] x11: 0000000000000008 x10: ffff800012668650 [ 133.339798] x9 : ffff800010133204 x8 : ffff800012610650 [ 133.345129] x7 : ffff800012668650 x6 : ffff8000125e1000 [ 133.350461] x5 : ffff8000125e1c88 x4 : ffff00097efb4c50 [ 133.355792] x3 : 0000000000000000 x2 : 0000000000000000 [ 133.361123] x1 : ffff0008063eb100 x0 : 0000000000000033 [ 133.366455] Call trace: [ 133.368906] 0x0 [ 133.370750] lkdtm_EXEC_NULL+0x24/0x30 [ 133.374511] lkdtm_do_action+0x24/0x40 [ 133.378269] direct_entry+0xd4/0x140 [ 133.381855] full_proxy_write+0x6c/0xc0 [ 133.385701] vfs_write+0xf0/0x210 [ 133.389022] ksys_write+0x74/0x100 [ 133.392431] __arm64_sys_write+0x28/0x34 [ 133.396365] el0_svc_common.constprop.0+0x84/0x1e0 [ 133.401167] do_el0_svc+0x30/0xa0 [ 133.404489] el0_svc+0x20/0x30 [ 133.407550] el0_sync_handler+0x1a4/0x1b0 [ 133.411568] el0_sync+0x180/0x1c0 [ 133.414894] Code: bad PC value [ 133.417958] ---[ end trace 9c05f44cd6398019 ]--- # Segmentation fault # [ 133.184148] lkdtm: Performing direct entry EXEC_NULL # [ 133.189214] lkdtm: attempting ok execution at ffff800010a2bdf0 # [ 133.195201] lkdtm: attempting bad execution at 0000000000000000 # [ 133.201232] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000 # [ 133.210244] Mem abort info: # [ 133.213376] ESR = 0x86000004 # [ 133.216758] EC = 0x21: IABT (current EL), IL = 32 bits # [ 133.222126] SET = 0, FnV = 0 # [ 133.225217] EA = 0, S1PTW = 0 # [ 133.228466] user pgtable: 4k pages, 48-bit VAs, pgdp=000000088716c000 # [ 133.234967] [0000000000000000] pgd=0000000000000000, p4d=0000000000000000 # [ 133.241875] Internal error: Oops: 86000004 [#11] PREEMPT SMP # [ 133.247553] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 133.257035] CPU: 1 PID: 1957 Comm: cat Tainted: G D W 5.10.125-cip10 #1 # [ 133.264798] Hardware name: ARM Juno development board (r0) (DT) # [ 133.270735] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 133.276764] pc : 0x0 # [ 133.278962] lr : execute_location+0x84/0xa4 # [ 133.283155] sp : ffff800015eabcd0 # [ 133.286478] x29: ffff800015eabcd0 x28: ffff0008063eb100 # [ 133.291812] x27: 0000000000000000 x26: 0000000000000000 # [ 133.297145] x25: ffff800011550068 x24: ffff800015eabe20 # [ 133.302477] x23: 000000000000000a x22: ffff000805a75000 # [ 133.307809] x21: 0000000000000000 x20: ffff800010a2bdf0 # [ 133.313141] x19: 0000000000000000 x18: 0000000000000000 # [ 133.318472] x17: 0000000000000000 x16: 0000000000000000 # [ 133.323803] x15: 0000000000000030 x14: ffffffffffffffff # [ 133.329135] x13: ffff800095eab9b7 x12: ffff800015eab9bf # [ 133.334466] x11: 0000000000000008 x10: ffff800012668650 # [ 133.339798] x9 : ffff800010133204 x8 : ffff800012610650 # [ 133.345129] x7 : ffff800012668650 x6 : ffff8000125e1000 # [ 133.350461] x5 : ffff8000125e1c88 x4 : ffff00097efb4c50 # [ 133.355792] x3 : 0000000000000000 x2 : 0000000000000000 # [ 133.361123] x1 : ffff0008063eb100 x0 : 0000000000000033 # [ 133.366455] Call trace: # [ 133.368906] 0x0 # [ 133.370750] lkdtm_EXEC_NULL+0x24/0x30 # [ 133.374511] lkdtm_do_action+0x24/0x40 # [ 133.378269] direct_entry+0xd4/0x140 # [ 133.381855] full_proxy_write+0x6c/0xc0 # [ 133.385701] vfs_write+0xf0/0x210 # [ 133.389022] ksys_write+0x74/0x100 # [ 133.392431] __arm64_sys_write+0x28/0x34 # [ 133.396365] el0_svc_common.constprop.0+0x84/0x1e0 # [ 133.401167] do_el0_svc+0x30/0xa0 # [ 133.404489] el0_svc+0x20/0x30 # [ 133.407550] el0_sync_handler+0x1a4/0x1b0 # [ 133.411568] el0_sync+0x180/0x1c0 # [ 133.414894] Code: bad PC value # [ 133.417958] ---[ end trace 9c05f44cd6398019 ]--- # EXEC_NULL: saw 'call trace:': ok ok 36 selftests: lkdtm: EXEC_NULL.sh # selftests: lkdtm: ACCESS_USERSPACE.sh [ 133.873182] lkdtm: Performing direct entry ACCESS_USERSPACE [ 133.878966] lkdtm: attempting bad read at 0000ffff90a75000 [ 133.884655] lkdtm: FAIL: survived bad read [ 133.888897] lkdtm: attempting bad write at 0000ffff90a75000 [ 133.894624] lkdtm: FAIL: survived bad write # [ 133.873182] lkdtm: Performing direct entry ACCESS_USERSPACE # [ 133.878966] lkdtm: attempting bad read at 0000ffff90a75000 # [ 133.884655] lkdtm: FAIL: survived bad read # [ 133.888897] lkdtm: attempting bad write at 0000ffff90a75000 # [ 133.894624] lkdtm: FAIL: survived bad write # ACCESS_USERSPACE: missing 'call trace:': [FAIL] not ok 37 selftests: lkdtm: ACCESS_USERSPACE.sh # exit=1 # selftests: lkdtm: ACCESS_NULL.sh [ 134.314866] lkdtm: Performing direct entry ACCESS_NULL [ 134.320080] lkdtm: attempting bad read at 0000000000000000 [ 134.325670] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000 [ 134.334603] Mem abort info: [ 134.337423] ESR = 0x96000004 [ 134.340633] EC = 0x25: DABT (current EL), IL = 32 bits [ 134.346011] SET = 0, FnV = 0 [ 134.349096] EA = 0, S1PTW = 0 [ 134.352274] Data abort info: [ 134.355189] ISV = 0, ISS = 0x00000004 [ 134.359058] CM = 0, WnR = 0 [ 134.362040] user pgtable: 4k pages, 48-bit VAs, pgdp=00000008873dc000 [ 134.368521] [0000000000000000] pgd=0000000000000000, p4d=0000000000000000 [ 134.375373] Internal error: Oops: 96000004 [#12] PREEMPT SMP [ 134.381054] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 134.390530] CPU: 1 PID: 2033 Comm: cat Tainted: G D W 5.10.125-cip10 #1 [ 134.398294] Hardware name: ARM Juno development board (r0) (DT) [ 134.404229] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 134.410255] pc : lkdtm_ACCESS_NULL+0x38/0x7c [ 134.414535] lr : lkdtm_ACCESS_NULL+0x30/0x7c [ 134.418814] sp : ffff80001602bcf0 [ 134.422139] x29: ffff80001602bcf0 x28: ffff00080288b100 [ 134.427477] x27: 0000000000000000 x26: 0000000000000000 [ 134.432814] x25: ffff800011550068 x24: ffff80001602be20 [ 134.438146] x23: 000000000000000c x22: ffff000802aa8000 [ 134.443483] x21: ffff800011a6c960 x20: 0000000000000000 [ 134.448815] x19: 0000000000000027 x18: 0000000000000000 [ 134.454147] x17: 0000000000000000 x16: 0000000000000000 [ 134.459479] x15: 0000000000000030 x14: ffffffffffffffff [ 134.464811] x13: ffff80009602b9d7 x12: ffff80001602b9df [ 134.470142] x11: 0000000000000018 x10: ffff800012668650 [ 134.475473] x9 : ffff800010133204 x8 : ffff800012610650 [ 134.480805] x7 : ffff800012668650 x6 : ffff8000125e1000 [ 134.486136] x5 : ffff8000125e1c88 x4 : ffff00097efb4c50 [ 134.491468] x3 : 0000000000000000 x2 : 0000000000000000 [ 134.496799] x1 : 000000000000c0de x0 : ffff800011a6d000 [ 134.502130] Call trace: [ 134.504584] lkdtm_ACCESS_NULL+0x38/0x7c [ 134.508520] lkdtm_do_action+0x24/0x40 [ 134.512278] direct_entry+0xd4/0x140 [ 134.515865] full_proxy_write+0x6c/0xc0 [ 134.519711] vfs_write+0xf0/0x210 [ 134.523033] ksys_write+0x74/0x100 [ 134.526441] __arm64_sys_write+0x28/0x34 [ 134.530376] el0_svc_common.constprop.0+0x84/0x1e0 [ 134.535177] do_el0_svc+0x30/0xa0 [ 134.538500] el0_svc+0x20/0x30 [ 134.541560] el0_sync_handler+0x1a4/0x1b0 [ 134.545578] el0_sync+0x180/0x1c0 [ 134.548905] Code: 91274000 97ffdf1a d2981bc1 b0003e00 (f9400293) [ 134.555015] ---[ end trace 9c05f44cd639801a ]--- # Segmentation fault # [ 134.314866] lkdtm: Performing direct entry ACCESS_NULL # [ 134.320080] lkdtm: attempting bad read at 0000000000000000 # [ 134.325670] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000 # [ 134.334603] Mem abort info: # [ 134.337423] ESR = 0x96000004 # [ 134.340633] EC = 0x25: DABT (current EL), IL = 32 bits # [ 134.346011] SET = 0, FnV = 0 # [ 134.349096] EA = 0, S1PTW = 0 # [ 134.352274] Data abort info: # [ 134.355189] ISV = 0, ISS = 0x00000004 # [ 134.359058] CM = 0, WnR = 0 # [ 134.362040] user pgtable: 4k pages, 48-bit VAs, pgdp=00000008873dc000 # [ 134.368521] [0000000000000000] pgd=0000000000000000, p4d=0000000000000000 # [ 134.375373] Internal error: Oops: 96000004 [#12] PREEMPT SMP # [ 134.381054] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 134.390530] CPU: 1 PID: 2033 Comm: cat Tainted: G D W 5.10.125-cip10 #1 # [ 134.398294] Hardware name: ARM Juno development board (r0) (DT) # [ 134.404229] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 134.410255] pc : lkdtm_ACCESS_NULL+0x38/0x7c # [ 134.414535] lr : lkdtm_ACCESS_NULL+0x30/0x7c # [ 134.418814] sp : ffff80001602bcf0 # [ 134.422139] x29: ffff80001602bcf0 x28: ffff00080288b100 # [ 134.427477] x27: 0000000000000000 x26: 0000000000000000 # [ 134.432814] x25: ffff800011550068 x24: ffff80001602be20 # [ 134.438146] x23: 000000000000000c x22: ffff000802aa8000 # [ 134.443483] x21: ffff800011a6c960 x20: 0000000000000000 # [ 134.448815] x19: 0000000000000027 x18: 0000000000000000 # [ 134.454147] x17: 0000000000000000 x16: 0000000000000000 # [ 134.459479] x15: 0000000000000030 x14: ffffffffffffffff # [ 134.464811] x13: ffff80009602b9d7 x12: ffff80001602b9df # [ 134.470142] x11: 0000000000000018 x10: ffff800012668650 # [ 134.475473] x9 : ffff800010133204 x8 : ffff800012610650 # [ 134.480805] x7 : ffff800012668650 x6 : ffff8000125e1000 # [ 134.486136] x5 : ffff8000125e1c88 x4 : ffff00097efb4c50 # [ 134.491468] x3 : 0000000000000000 x2 : 0000000000000000 # [ 134.496799] x1 : 000000000000c0de x0 : ffff800011a6d000 # [ 134.502130] Call trace: # [ 134.504584] lkdtm_ACCESS_NULL+0x38/0x7c # [ 134.508520] lkdtm_do_action+0x24/0x40 # [ 134.512278] direct_entry+0xd4/0x140 # [ 134.515865] full_proxy_write+0x6c/0xc0 # [ 134.519711] vfs_write+0xf0/0x210 # [ 134.523033] ksys_write+0x74/0x100 # [ 134.526441] __arm64_sys_write+0x28/0x34 # [ 134.530376] el0_svc_common.constprop.0+0x84/0x1e0 # [ 134.535177] do_el0_svc+0x30/0xa0 # [ 134.538500] el0_svc+0x20/0x30 # [ 134.541560] el0_sync_handler+0x1a4/0x1b0 # [ 134.545578] el0_sync+0x180/0x1c0 # [ 134.548905] Code: 91274000 97ffdf1a d2981bc1 b0003e00 (f9400293) # [ 134.555015] ---[ end trace 9c05f44cd639801a ]--- # ACCESS_NULL: saw 'call trace:': ok ok 38 selftests: lkdtm: ACCESS_NULL.sh # selftests: lkdtm: WRITE_RO.sh [ 135.000808] lkdtm: Performing direct entry WRITE_RO [ 135.005778] lkdtm: attempting bad rodata write at ffff800011550558 [ 135.012135] Unable to handle kernel write to read-only memory at virtual address ffff800011550558 [ 135.021197] Mem abort info: [ 135.024105] ESR = 0x9600004e [ 135.027213] EC = 0x25: DABT (current EL), IL = 32 bits [ 135.032563] SET = 0, FnV = 0 [ 135.035644] EA = 0, S1PTW = 0 [ 135.038816] Data abort info: [ 135.041706] ISV = 0, ISS = 0x0000004e [ 135.045570] CM = 0, WnR = 1 [ 135.048564] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081e2a000 [ 135.055302] [ffff800011550558] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=0060000081600781 [ 135.066005] Internal error: Oops: 9600004e [#13] PREEMPT SMP [ 135.071682] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 135.081159] CPU: 2 PID: 2078 Comm: cat Tainted: G D W 5.10.125-cip10 #1 [ 135.088918] Hardware name: ARM Juno development board (r0) (DT) [ 135.094851] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 135.100883] pc : lkdtm_WRITE_RO+0x48/0x60 [ 135.104901] lr : lkdtm_WRITE_RO+0x30/0x60 [ 135.108919] sp : ffff8000160dbcf0 [ 135.112247] x29: ffff8000160dbcf0 x28: ffff000802a50000 [ 135.117584] x27: 0000000000000000 x26: 0000000000000000 [ 135.122921] x25: ffff800011550068 x24: ffff8000160dbe20 [ 135.128253] x23: 0000000000000009 x22: ffff000807f20000 [ 135.133585] x21: ffff800011a6c970 x20: ffff8000115502e8 [ 135.138917] x19: ffff800011550000 x18: 0000000000000002 [ 135.144248] x17: 0000000000000000 x16: 0000000000000000 [ 135.149580] x15: 0000000000000030 x14: ffffffffffffffff [ 135.154911] x13: ffff8000960db9d7 x12: ffff8000160db9e1 [ 135.160242] x11: 0000000000000000 x10: 0000000000001440 [ 135.165574] x9 : ffff800010133204 x8 : ffff000802a514a0 [ 135.170905] x7 : 0000000000000000 x6 : ffff8000125e1000 [ 135.176237] x5 : ffff8000125e1c88 x4 : ffff00097ef70c50 [ 135.181568] x3 : 0000000000000000 x2 : 00000000abcd1234 [ 135.186900] x1 : 000000000198b861 x0 : ffff800011a6d8c0 [ 135.192232] Call trace: [ 135.194685] lkdtm_WRITE_RO+0x48/0x60 [ 135.198359] lkdtm_do_action+0x24/0x40 [ 135.202118] direct_entry+0xd4/0x140 [ 135.205704] full_proxy_write+0x6c/0xc0 [ 135.209550] vfs_write+0xf0/0x210 [ 135.212872] ksys_write+0x74/0x100 [ 135.216280] __arm64_sys_write+0x28/0x34 [ 135.220214] el0_svc_common.constprop.0+0x84/0x1e0 [ 135.225016] do_el0_svc+0x30/0xa0 [ 135.228338] el0_svc+0x20/0x30 [ 135.231398] el0_sync_handler+0x1a4/0x1b0 [ 135.235416] el0_sync+0x180/0x1c0 [ 135.238742] Code: f2b579a2 d0003e00 ca020021 91230000 (f902ae61) [ 135.244851] ---[ end trace 9c05f44cd639801b ]--- # Segmentation fault # [ 135.000808] lkdtm: Performing direct entry WRITE_RO # [ 135.005778] lkdtm: attempting bad rodata write at ffff800011550558 # [ 135.012135] Unable to handle kernel write to read-only memory at virtual address ffff800011550558 # [ 135.021197] Mem abort info: # [ 135.024105] ESR = 0x9600004e # [ 135.027213] EC = 0x25: DABT (current EL), IL = 32 bits # [ 135.032563] SET = 0, FnV = 0 # [ 135.035644] EA = 0, S1PTW = 0 # [ 135.038816] Data abort info: # [ 135.041706] ISV = 0, ISS = 0x0000004e # [ 135.045570] CM = 0, WnR = 1 # [ 135.048564] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081e2a000 # [ 135.055302] [ffff800011550558] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=0060000081600781 # [ 135.066005] Internal error: Oops: 9600004e [#13] PREEMPT SMP # [ 135.071682] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 135.081159] CPU: 2 PID: 2078 Comm: cat Tainted: G D W 5.10.125-cip10 #1 # [ 135.088918] Hardware name: ARM Juno development board (r0) (DT) # [ 135.094851] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 135.100883] pc : lkdtm_WRITE_RO+0x48/0x60 # [ 135.104901] lr : lkdtm_WRITE_RO+0x30/0x60 # [ 135.108919] sp : ffff8000160dbcf0 # [ 135.112247] x29: ffff8000160dbcf0 x28: ffff000802a50000 # [ 135.117584] x27: 0000000000000000 x26: 0000000000000000 # [ 135.122921] x25: ffff800011550068 x24: ffff8000160dbe20 # [ 135.128253] x23: 0000000000000009 x22: ffff000807f20000 # [ 135.133585] x21: ffff800011a6c970 x20: ffff8000115502e8 # [ 135.138917] x19: ffff800011550000 x18: 0000000000000002 # [ 135.144248] x17: 0000000000000000 x16: 0000000000000000 # [ 135.149580] x15: 0000000000000030 x14: ffffffffffffffff # [ 135.154911] x13: ffff8000960db9d7 x12: ffff8000160db9e1 # [ 135.160242] x11: 0000000000000000 x10: 0000000000001440 # [ 135.165574] x9 : ffff800010133204 x8 : ffff000802a514a0 # [ 135.170905] x7 : 0000000000000000 x6 : ffff8000125e1000 # [ 135.176237] x5 : ffff8000125e1c88 x4 : ffff00097ef70c50 # [ 135.181568] x3 : 0000000000000000 x2 : 00000000abcd1234 # [ 135.186900] x1 : 000000000198b861 x0 : ffff800011a6d8c0 # [ 135.192232] Call trace: # [ 135.194685] lkdtm_WRITE_RO+0x48/0x60 # [ 135.198359] lkdtm_do_action+0x24/0x40 # [ 135.202118] direct_entry+0xd4/0x140 # [ 135.205704] full_proxy_write+0x6c/0xc0 # [ 135.209550] vfs_write+0xf0/0x210 # [ 135.212872] ksys_write+0x74/0x100 # [ 135.216280] __arm64_sys_write+0x28/0x34 # [ 135.220214] el0_svc_common.constprop.0+0x84/0x1e0 # [ 135.225016] do_el0_svc+0x30/0xa0 # [ 135.228338] el0_svc+0x20/0x30 # [ 135.231398] el0_sync_handler+0x1a4/0x1b0 # [ 135.235416] el0_sync+0x180/0x1c0 # [ 135.238742] Code: f2b579a2 d0003e00 ca020021 91230000 (f902ae61) # [ 135.244851] ---[ end trace 9c05f44cd639801b ]--- # WRITE_RO: saw 'call trace:': ok ok 39 selftests: lkdtm: WRITE_RO.sh # selftests: lkdtm: WRITE_RO_AFTER_INIT.sh [ 135.668895] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT [ 135.674834] lkdtm: attempting bad ro_after_init write at ffff800011b40730 [ 135.681721] Unable to handle kernel write to read-only memory at virtual address ffff800011b40730 [ 135.692487] Mem abort info: [ 135.695420] ESR = 0x9600004e [ 135.698512] EC = 0x25: DABT (current EL), IL = 32 bits [ 135.703870] SET = 0, FnV = 0 [ 135.706957] EA = 0, S1PTW = 0 [ 135.710108] Data abort info: [ 135.713016] ISV = 0, ISS = 0x0000004e [ 135.716882] CM = 0, WnR = 1 [ 135.719885] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081e2a000 [ 135.726623] [ffff800011b40730] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=0060000081c00781 [ 135.737322] Internal error: Oops: 9600004e [#14] PREEMPT SMP [ 135.743000] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 135.752475] CPU: 1 PID: 2123 Comm: cat Tainted: G D W 5.10.125-cip10 #1 [ 135.760235] Hardware name: ARM Juno development board (r0) (DT) [ 135.766171] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 135.772203] pc : lkdtm_WRITE_RO_AFTER_INIT+0x6c/0x84 [ 135.777183] lr : lkdtm_WRITE_RO_AFTER_INIT+0x54/0x84 [ 135.782156] sp : ffff80001616bcf0 [ 135.785478] x29: ffff80001616bcf0 x28: ffff000802a54980 [ 135.790813] x27: 0000000000000000 x26: 0000000000000000 [ 135.796146] x25: ffff800011550068 x24: ffff80001616be20 [ 135.801479] x23: 0000000000000014 x22: ffff0008033bf000 [ 135.806811] x21: ffff800011a6c980 x20: ffff8000115502f8 [ 135.812142] x19: ffff800011b40000 x18: 0000000000000000 [ 135.817474] x17: 0000000000000000 x16: 0000000000000000 [ 135.822805] x15: 0000000000000030 x14: ffffffffffffffff [ 135.828137] x13: ffff80009616b9d7 x12: ffff80001616b9df [ 135.833468] x11: 0000000000000018 x10: ffff800012668650 [ 135.838800] x9 : ffff800010133204 x8 : ffff800012610650 [ 135.844132] x7 : ffff800012668650 x6 : ffff8000125e1000 [ 135.849463] x5 : ffff8000125e1c88 x4 : ffff00097ef0ac50 [ 135.854795] x3 : 0000000000000000 x2 : 00000000abcd1234 [ 135.860126] x1 : 00000000fe67479e x0 : ffff800011a6d8c0 [ 135.865457] Call trace: [ 135.867911] lkdtm_WRITE_RO_AFTER_INIT+0x6c/0x84 [ 135.872542] lkdtm_do_action+0x24/0x40 [ 135.876301] direct_entry+0xd4/0x140 [ 135.879888] full_proxy_write+0x6c/0xc0 [ 135.883733] vfs_write+0xf0/0x210 [ 135.887055] ksys_write+0x74/0x100 [ 135.890463] __arm64_sys_write+0x28/0x34 [ 135.894397] el0_svc_common.constprop.0+0x84/0x1e0 [ 135.899199] do_el0_svc+0x30/0xa0 [ 135.902521] el0_svc+0x20/0x30 [ 135.905582] el0_sync_handler+0x1a4/0x1b0 [ 135.909599] el0_sync+0x180/0x1c0 [ 135.912926] Code: f2b579a2 d0003e00 ca020021 91230000 (f9039a61) [ 135.919036] ---[ end trace 9c05f44cd639801c ]--- # Segmentation fault # [ 135.668895] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT # [ 135.674834] lkdtm: attempting bad ro_after_init write at ffff800011b40730 # [ 135.681721] Unable to handle kernel write to read-only memory at virtual address ffff800011b40730 # [ 135.692487] Mem abort info: # [ 135.695420] ESR = 0x9600004e # [ 135.698512] EC = 0x25: DABT (current EL), IL = 32 bits # [ 135.703870] SET = 0, FnV = 0 # [ 135.706957] EA = 0, S1PTW = 0 # [ 135.710108] Data abort info: # [ 135.713016] ISV = 0, ISS = 0x0000004e # [ 135.716882] CM = 0, WnR = 1 # [ 135.719885] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081e2a000 # [ 135.726623] [ffff800011b40730] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=0060000081c00781 # [ 135.737322] Internal error: Oops: 9600004e [#14] PREEMPT SMP # [ 135.743000] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 135.752475] CPU: 1 PID: 2123 Comm: cat Tainted: G D W 5.10.125-cip10 #1 # [ 135.760235] Hardware name: ARM Juno development board (r0) (DT) # [ 135.766171] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 135.772203] pc : lkdtm_WRITE_RO_AFTER_INIT+0x6c/0x84 # [ 135.777183] lr : lkdtm_WRITE_RO_AFTER_INIT+0x54/0x84 # [ 135.782156] sp : ffff80001616bcf0 # [ 135.785478] x29: ffff80001616bcf0 x28: ffff000802a54980 # [ 135.790813] x27: 0000000000000000 x26: 0000000000000000 # [ 135.796146] x25: ffff800011550068 x24: ffff80001616be20 # [ 135.801479] x23: 0000000000000014 x22: ffff0008033bf000 # [ 135.806811] x21: ffff800011a6c980 x20: ffff8000115502f8 # [ 135.812142] x19: ffff800011b40000 x18: 0000000000000000 # [ 135.817474] x17: 0000000000000000 x16: 0000000000000000 # [ 135.822805] x15: 0000000000000030 x14: ffffffffffffffff # [ 135.828137] x13: ffff80009616b9d7 x12: ffff80001616b9df # [ 135.833468] x11: 0000000000000018 x10: ffff800012668650 # [ 135.838800] x9 : ffff800010133204 x8 : ffff800012610650 # [ 135.844132] x7 : ffff800012668650 x6 : ffff8000125e1000 # [ 135.849463] x5 : ffff8000125e1c88 x4 : ffff00097ef0ac50 # [ 135.854795] x3 : 0000000000000000 x2 : 00000000abcd1234 # [ 135.860126] x1 : 00000000fe67479e x0 : ffff800011a6d8c0 # [ 135.865457] Call trace: # [ 135.867911] lkdtm_WRITE_RO_AFTER_INIT+0x6c/0x84 # [ 135.872542] lkdtm_do_action+0x24/0x40 # [ 135.876301] direct_entry+0xd4/0x140 # [ 135.879888] full_proxy_write+0x6c/0xc0 # [ 135.883733] vfs_write+0xf0/0x210 # [ 135.887055] ksys_write+0x74/0x100 # [ 135.890463] __arm64_sys_write+0x28/0x34 # [ 135.894397] el0_svc_common.constprop.0+0x84/0x1e0 # [ 135.899199] do_el0_svc+0x30/0xa0 # [ 135.902521] el0_svc+0x20/0x30 # [ 135.905582] el0_sync_handler+0x1a4/0x1b0 # [ 135.909599] el0_sync+0x180/0x1c0 # [ 135.912926] Code: f2b579a2 d0003e00 ca020021 91230000 (f9039a61) # [ 135.919036] ---[ end trace 9c05f44cd639801c ]--- # WRITE_RO_AFTER_INIT: saw 'call trace:': ok ok 40 selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # selftests: lkdtm: WRITE_KERN.sh [ 136.346418] lkdtm: Performing direct entry WRITE_KERN [ 136.351638] lkdtm: attempting bad 8912972 byte write at ffff8000112abe3c [ 136.358506] Unable to handle kernel write to read-only memory at virtual address ffff8000112abe3c [ 136.367492] Mem abort info: [ 136.370628] ESR = 0x9600004f [ 136.373778] EC = 0x25: DABT (current EL), IL = 32 bits [ 136.379151] SET = 0, FnV = 0 [ 136.382216] EA = 0, S1PTW = 0 [ 136.385383] Data abort info: [ 136.388293] ISV = 0, ISS = 0x0000004f [ 136.392156] CM = 0, WnR = 1 [ 136.395150] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081e2a000 [ 136.401890] [ffff8000112abe3c] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=00000009ffffd003, pte=00500000814ab783 [ 136.414516] Internal error: Oops: 9600004f [#15] PREEMPT SMP [ 136.420195] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 136.429672] CPU: 2 PID: 2168 Comm: cat Tainted: G D W 5.10.125-cip10 #1 [ 136.437434] Hardware name: ARM Juno development board (r0) (DT) [ 136.443369] pstate: 20000005 (nzCv daif -PAN -UAO -TCO BTYPE=--) [ 136.449394] pc : __memcpy+0x110/0x180 [ 136.453068] lr : lkdtm_WRITE_KERN+0x58/0x8c [ 136.457258] sp : ffff8000161fbce0 [ 136.460577] x29: ffff8000161fbce0 x28: ffff000805a31880 [ 136.465912] x27: 0000000000000000 x26: 0000000000000000 [ 136.471249] x25: ffff800011550068 x24: ffff8000161fbe20 [ 136.476581] x23: 000000000000000b x22: ffff000805e38000 [ 136.481913] x21: 000000000088004c x20: ffff800010a2bdf0 [ 136.487244] x19: ffff8000112abe3c x18: 0000000000000000 [ 136.492576] x17: 0000000000000000 x16: 0000000000000000 [ 136.497907] x15: 0000000000000030 x14: 52819801d2800802 [ 136.503238] x13: a9be7bfdf0008880 x12: d503233fd503201f [ 136.508570] x11: aa1e03e9d503245f x10: d503201fd503201f [ 136.513901] x9 : d65f03c0d50323bf x8 : d503233fd503201f [ 136.519232] x7 : aa1e03e9d503245f x6 : ffff8000112abe3c [ 136.524564] x5 : ffff8000125e1c88 x4 : 0000000000000000 [ 136.529895] x3 : 0000000000000000 x2 : 000000000087ffcc [ 136.535226] x1 : ffff800010a2be30 x0 : ffff8000112abe3c [ 136.540558] Call trace: [ 136.543012] __memcpy+0x110/0x180 [ 136.546337] lkdtm_do_action+0x24/0x40 [ 136.550095] direct_entry+0xd4/0x140 [ 136.553680] full_proxy_write+0x6c/0xc0 [ 136.557526] vfs_write+0xf0/0x210 [ 136.560847] ksys_write+0x74/0x100 [ 136.564255] __arm64_sys_write+0x28/0x34 [ 136.568189] el0_svc_common.constprop.0+0x84/0x1e0 [ 136.572991] do_el0_svc+0x30/0xa0 [ 136.576313] el0_svc+0x20/0x30 [ 136.579373] el0_sync_handler+0x1a4/0x1b0 [ 136.583391] el0_sync+0x180/0x1c0 [ 136.586717] Code: a8c12027 a8c12829 a8c1302b a8c1382d (a88120c7) [ 136.592826] ---[ end trace 9c05f44cd639801d ]--- # Segmentation fault # [ 136.346418] lkdtm: Performing direct entry WRITE_KERN # [ 136.351638] lkdtm: attempting bad 8912972 byte write at ffff8000112abe3c # [ 136.358506] Unable to handle kernel write to read-only memory at virtual address ffff8000112abe3c # [ 136.367492] Mem abort info: # [ 136.370628] ESR = 0x9600004f # [ 136.373778] EC = 0x25: DABT (current EL), IL = 32 bits # [ 136.379151] SET = 0, FnV = 0 # [ 136.382216] EA = 0, S1PTW = 0 # [ 136.385383] Data abort info: # [ 136.388293] ISV = 0, ISS = 0x0000004f # [ 136.392156] CM = 0, WnR = 1 # [ 136.395150] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081e2a000 # [ 136.401890] [ffff8000112abe3c] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=00000009ffffd003, pte=00500000814ab783 # [ 136.414516] Internal error: Oops: 9600004f [#15] PREEMPT SMP # [ 136.420195] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 136.429672] CPU: 2 PID: 2168 Comm: cat Tainted: G D W 5.10.125-cip10 #1 # [ 136.437434] Hardware name: ARM Juno development board (r0) (DT) # [ 136.443369] pstate: 20000005 (nzCv daif -PAN -UAO -TCO BTYPE=--) # [ 136.449394] pc : __memcpy+0x110/0x180 # [ 136.453068] lr : lkdtm_WRITE_KERN+0x58/0x8c # [ 136.457258] sp : ffff8000161fbce0 # [ 136.460577] x29: ffff8000161fbce0 x28: ffff000805a31880 # [ 136.465912] x27: 0000000000000000 x26: 0000000000000000 # [ 136.471249] x25: ffff800011550068 x24: ffff8000161fbe20 # [ 136.476581] x23: 000000000000000b x22: ffff000805e38000 # [ 136.481913] x21: 000000000088004c x20: ffff800010a2bdf0 # [ 136.487244] x19: ffff8000112abe3c x18: 0000000000000000 # [ 136.492576] x17: 0000000000000000 x16: 0000000000000000 # [ 136.497907] x15: 0000000000000030 x14: 52819801d2800802 # [ 136.503238] x13: a9be7bfdf0008880 x12: d503233fd503201f # [ 136.508570] x11: aa1e03e9d503245f x10: d503201fd503201f # [ 136.513901] x9 : d65f03c0d50323bf x8 : d503233fd503201f # [ 136.519232] x7 : aa1e03e9d503245f x6 : ffff8000112abe3c # [ 136.524564] x5 : ffff8000125e1c88 x4 : 0000000000000000 # [ 136.529895] x3 : 0000000000000000 x2 : 000000000087ffcc # [ 136.535226] x1 : ffff800010a2be30 x0 : ffff8000112abe3c # [ 136.540558] Call trace: # [ 136.543012] __memcpy+0x110/0x180 # [ 136.546337] lkdtm_do_action+0x24/0x40 # [ 136.550095] direct_entry+0xd4/0x140 # [ 136.553680] full_proxy_write+0x6c/0xc0 # [ 136.557526] vfs_write+0xf0/0x210 # [ 136.560847] ksys_write+0x74/0x100 # [ 136.564255] __arm64_sys_write+0x28/0x34 # [ 136.568189] el0_svc_common.constprop.0+0x84/0x1e0 # [ 136.572991] do_el0_svc+0x30/0xa0 # [ 136.576313] el0_svc+0x20/0x30 # [ 136.579373] el0_sync_handler+0x1a4/0x1b0 # [ 136.583391] el0_sync+0x180/0x1c0 # [ 136.586717] Code: a8c12027 a8c12829 a8c1302b a8c1382d (a88120c7) # [ 136.592826] ---[ end trace 9c05f44cd639801d ]--- # WRITE_KERN: saw 'call trace:': ok ok 41 selftests: lkdtm: WRITE_KERN.sh # selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh [ 137.021878] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW [ 137.028000] lkdtm: attempting good refcount_inc() without overflow [ 137.034273] lkdtm: attempting bad refcount_inc() overflow [ 137.039743] ------------[ cut here ]------------ [ 137.044498] refcount_t: saturated; leaking memory. [ 137.049459] WARNING: CPU: 4 PID: 2213 at lib/refcount.c:22 refcount_warn_saturate+0x74/0x144 [ 137.057920] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 137.067425] CPU: 4 PID: 2213 Comm: cat Tainted: G D W 5.10.125-cip10 #1 [ 137.075188] Hardware name: ARM Juno development board (r0) (DT) [ 137.081128] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 137.087158] pc : refcount_warn_saturate+0x74/0x144 [ 137.091967] lr : refcount_warn_saturate+0x74/0x144 [ 137.096770] sp : ffff8000162c3cd0 [ 137.100095] x29: ffff8000162c3cd0 x28: ffff00080288c980 [ 137.105437] x27: 0000000000000000 x26: 0000000000000000 [ 137.110779] x25: ffff800011550068 x24: ffff8000162c3e20 [ 137.116121] x23: 0000000000000016 x22: ffff0008030db000 [ 137.121463] x21: ffff800011a6c9a8 x20: ffff800011550318 [ 137.126804] x19: 000000000000002b x18: 0000000000000001 [ 137.132146] x17: 0000000000000000 x16: 0000000000000000 [ 137.137487] x15: 0000000000000030 x14: ffffffffffffffff [ 137.142829] x13: ffff8000962c3977 x12: ffff8000162c3980 [ 137.148170] x11: 0000000000000028 x10: ffff800012668650 [ 137.153512] x9 : ffff800010133204 x8 : ffff800012610650 [ 137.158854] x7 : ffff800012668650 x6 : ffff8000125e1000 [ 137.164196] x5 : ffff8000125e1c88 x4 : ffff00097ef92c50 [ 137.169537] x3 : 0000000000000000 x2 : 0000000000000000 [ 137.174878] x1 : 0000000000000000 x0 : ffff00080288c980 [ 137.180219] Call trace: [ 137.182681] refcount_warn_saturate+0x74/0x144 [ 137.187143] __refcount_add.constprop.0+0x6c/0x80 [ 137.191868] lkdtm_REFCOUNT_INC_OVERFLOW+0x74/0xa4 [ 137.196678] lkdtm_do_action+0x24/0x40 [ 137.200443] direct_entry+0xd4/0x140 [ 137.204035] full_proxy_write+0x6c/0xc0 [ 137.207887] vfs_write+0xf0/0x210 [ 137.211215] ksys_write+0x74/0x100 [ 137.214631] __arm64_sys_write+0x28/0x34 [ 137.218571] el0_svc_common.constprop.0+0x84/0x1e0 [ 137.223380] do_el0_svc+0x30/0xa0 [ 137.226708] el0_svc+0x20/0x30 [ 137.229776] el0_sync_handler+0x1a4/0x1b0 [ 137.233801] el0_sync+0x180/0x1c0 [ 137.237126] irq event stamp: 0 [ 137.240196] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 137.246487] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 [ 137.254691] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 [ 137.262893] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 137.269178] ---[ end trace 9c05f44cd639801e ]--- [ 137.274242] lkdtm: Overflow detected: saturated # [ 137.021878] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW # [ 137.028000] lkdtm: attempting good refcount_inc() without overflow # [ 137.034273] lkdtm: attempting bad refcount_inc() overflow # [ 137.039743] ------------[ cut here ]------------ # [ 137.044498] refcount_t: saturated; leaking memory. # [ 137.049459] WARNING: CPU: 4 PID: 2213 at lib/refcount.c:22 refcount_warn_saturate+0x74/0x144 # [ 137.057920] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 137.067425] CPU: 4 PID: 2213 Comm: cat Tainted: G D W 5.10.125-cip10 #1 # [ 137.075188] Hardware name: ARM Juno development board (r0) (DT) # [ 137.081128] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 137.087158] pc : refcount_warn_saturate+0x74/0x144 # [ 137.091967] lr : refcount_warn_saturate+0x74/0x144 # [ 137.096770] sp : ffff8000162c3cd0 # [ 137.100095] x29: ffff8000162c3cd0 x28: ffff00080288c980 # [ 137.105437] x27: 0000000000000000 x26: 0000000000000000 # [ 137.110779] x25: ffff800011550068 x24: ffff8000162c3e20 # [ 137.116121] x23: 0000000000000016 x22: ffff0008030db000 # [ 137.121463] x21: ffff800011a6c9a8 x20: ffff800011550318 # [ 137.126804] x19: 000000000000002b x18: 0000000000000001 # [ 137.132146] x17: 0000000000000000 x16: 0000000000000000 # [ 137.137487] x15: 0000000000000030 x14: ffffffffffffffff # [ 137.142829] x13: ffff8000962c3977 x12: ffff8000162c3980 # [ 137.148170] x11: 0000000000000028 x10: ffff800012668650 # [ 137.153512] x9 : ffff800010133204 x8 : ffff800012610650 # [ 137.158854] x7 : ffff800012668650 x6 : ffff8000125e1000 # [ 137.164196] x5 : ffff8000125e1c88 x4 : ffff00097ef92c50 # [ 137.169537] x3 : 0000000000000000 x2 : 0000000000000000 # [ 137.174878] x1 : 0000000000000000 x0 : ffff00080288c980 # [ 137.180219] Call trace: # [ 137.182681] refcount_warn_saturate+0x74/0x144 # [ 137.187143] __refcount_add.constprop.0+0x6c/0x80 # [ 137.191868] lkdtm_REFCOUNT_INC_OVERFLOW+0x74/0xa4 # [ 137.196678] lkdtm_do_action+0x24/0x40 # [ 137.200443] direct_entry+0xd4/0x140 # [ 137.204035] full_proxy_write+0x6c/0xc0 # [ 137.207887] vfs_write+0xf0/0x210 # [ 137.211215] ksys_write+0x74/0x100 # [ 137.214631] __arm64_sys_write+0x28/0x34 # [ 137.218571] el0_svc_common.constprop.0+0x84/0x1e0 # [ 137.223380] do_el0_svc+0x30/0xa0 # [ 137.226708] el0_svc+0x20/0x30 # [ 137.229776] el0_sync_handler+0x1a4/0x1b0 # [ 137.233801] el0_sync+0x180/0x1c0 # [ 137.237126] irq event stamp: 0 # [ 137.240196] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 137.246487] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 # [ 137.254691] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 # [ 137.262893] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 137.269178] ---[ end trace 9c05f44cd639801e ]--- # [ 137.274242] lkdtm: Overflow detected: saturated # REFCOUNT_INC_OVERFLOW: saw 'call trace:': ok ok 42 selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_ADD_OVERFLOW.sh [ 137.704928] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW [ 137.711125] lkdtm: attempting good refcount_add() without overflow [ 137.717471] lkdtm: attempting bad refcount_add() overflow [ 137.722961] ------------[ cut here ]------------ [ 137.727792] refcount_t: saturated; leaking memory. [ 137.732726] WARNING: CPU: 4 PID: 2245 at lib/refcount.c:22 refcount_warn_saturate+0x74/0x144 [ 137.741187] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 137.750691] CPU: 4 PID: 2245 Comm: cat Tainted: G D W 5.10.125-cip10 #1 [ 137.758454] Hardware name: ARM Juno development board (r0) (DT) [ 137.764394] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 137.770423] pc : refcount_warn_saturate+0x74/0x144 [ 137.775232] lr : refcount_warn_saturate+0x74/0x144 [ 137.780036] sp : ffff800016353cd0 [ 137.783361] x29: ffff800016353cd0 x28: ffff000802a50000 [ 137.788704] x27: 0000000000000000 x26: 0000000000000000 [ 137.794046] x25: ffff800011550068 x24: ffff800016353e20 [ 137.799387] x23: 0000000000000016 x22: ffff000807fa3000 [ 137.804729] x21: ffff800011a6c9c0 x20: ffff800011550328 [ 137.810070] x19: 000000000000002c x18: 0000000000000000 [ 137.815411] x17: 0000000000000000 x16: 0000000000000000 [ 137.820752] x15: 0000000000000030 x14: ffffffffffffffff [ 137.826094] x13: ffff800096353977 x12: ffff80001635397f [ 137.831435] x11: 0000000000000028 x10: ffff800012668650 [ 137.836777] x9 : ffff800010133204 x8 : ffff800012610650 [ 137.842119] x7 : ffff800012668650 x6 : ffff8000125e1000 [ 137.847460] x5 : ffff8000125e1c88 x4 : ffff00097ef92c50 [ 137.852801] x3 : 0000000000000000 x2 : 0000000000000000 [ 137.858143] x1 : 0000000000000000 x0 : ffff000802a50000 [ 137.863484] Call trace: [ 137.865944] refcount_warn_saturate+0x74/0x144 [ 137.870407] __refcount_add.constprop.0+0x6c/0x80 [ 137.875131] lkdtm_REFCOUNT_ADD_OVERFLOW+0x80/0xb0 [ 137.879942] lkdtm_do_action+0x24/0x40 [ 137.883707] direct_entry+0xd4/0x140 [ 137.887299] full_proxy_write+0x6c/0xc0 [ 137.891151] vfs_write+0xf0/0x210 [ 137.894480] ksys_write+0x74/0x100 [ 137.897895] __arm64_sys_write+0x28/0x34 [ 137.901835] el0_svc_common.constprop.0+0x84/0x1e0 [ 137.906644] do_el0_svc+0x30/0xa0 [ 137.909973] el0_svc+0x20/0x30 [ 137.913040] el0_sync_handler+0x1a4/0x1b0 [ 137.917065] el0_sync+0x180/0x1c0 [ 137.920390] irq event stamp: 0 [ 137.923460] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 137.929751] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 [ 137.937956] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 [ 137.946158] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 137.952443] ---[ end trace 9c05f44cd639801f ]--- [ 137.957260] lkdtm: Overflow detected: saturated # [ 137.704928] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW # [ 137.711125] lkdtm: attempting good refcount_add() without overflow # [ 137.717471] lkdtm: attempting bad refcount_add() overflow # [ 137.722961] ------------[ cut here ]------------ # [ 137.727792] refcount_t: saturated; leaking memory. # [ 137.732726] WARNING: CPU: 4 PID: 2245 at lib/refcount.c:22 refcount_warn_saturate+0x74/0x144 # [ 137.741187] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 137.750691] CPU: 4 PID: 2245 Comm: cat Tainted: G D W 5.10.125-cip10 #1 # [ 137.758454] Hardware name: ARM Juno development board (r0) (DT) # [ 137.764394] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 137.770423] pc : refcount_warn_saturate+0x74/0x144 # [ 137.775232] lr : refcount_warn_saturate+0x74/0x144 # [ 137.780036] sp : ffff800016353cd0 # [ 137.783361] x29: ffff800016353cd0 x28: ffff000802a50000 # [ 137.788704] x27: 0000000000000000 x26: 0000000000000000 # [ 137.794046] x25: ffff800011550068 x24: ffff800016353e20 # [ 137.799387] x23: 0000000000000016 x22: ffff000807fa3000 # [ 137.804729] x21: ffff800011a6c9c0 x20: ffff800011550328 # [ 137.810070] x19: 000000000000002c x18: 0000000000000000 # [ 137.815411] x17: 0000000000000000 x16: 0000000000000000 # [ 137.820752] x15: 0000000000000030 x14: ffffffffffffffff # [ 137.826094] x13: ffff800096353977 x12: ffff80001635397f # [ 137.831435] x11: 0000000000000028 x10: ffff800012668650 # [ 137.836777] x9 : ffff800010133204 x8 : ffff800012610650 # [ 137.842119] x7 : ffff800012668650 x6 : ffff8000125e1000 # [ 137.847460] x5 : ffff8000125e1c88 x4 : ffff00097ef92c50 # [ 137.852801] x3 : 0000000000000000 x2 : 0000000000000000 # [ 137.858143] x1 : 0000000000000000 x0 : ffff000802a50000 # [ 137.863484] Call trace: # [ 137.865944] refcount_warn_saturate+0x74/0x144 # [ 137.870407] __refcount_add.constprop.0+0x6c/0x80 # [ 137.875131] lkdtm_REFCOUNT_ADD_OVERFLOW+0x80/0xb0 # [ 137.879942] lkdtm_do_action+0x24/0x40 # [ 137.883707] direct_entry+0xd4/0x140 # [ 137.887299] full_proxy_write+0x6c/0xc0 # [ 137.891151] vfs_write+0xf0/0x210 # [ 137.894480] ksys_write+0x74/0x100 # [ 137.897895] __arm64_sys_write+0x28/0x34 # [ 137.901835] el0_svc_common.constprop.0+0x84/0x1e0 # [ 137.906644] do_el0_svc+0x30/0xa0 # [ 137.909973] el0_svc+0x20/0x30 # [ 137.913040] el0_sync_handler+0x1a4/0x1b0 # [ 137.917065] el0_sync+0x180/0x1c0 # [ 137.920390] irq event stamp: 0 # [ 137.923460] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 137.929751] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 # [ 137.937956] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 # [ 137.946158] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 137.952443] ---[ end trace 9c05f44cd639801f ]--- # [ 137.957260] lkdtm: Overflow detected: saturated # REFCOUNT_ADD_OVERFLOW: saw 'call trace:': ok ok 43 selftests: lkdtm: REFCOUNT_ADD_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh [ 138.394629] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW [ 138.401506] lkdtm: attempting bad refcount_inc_not_zero() overflow [ 138.407761] ------------[ cut here ]------------ [ 138.412441] refcount_t: saturated; leaking memory. [ 138.417436] WARNING: CPU: 3 PID: 2277 at lib/refcount.c:19 refcount_warn_saturate+0xc8/0x144 [ 138.425899] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 138.435403] CPU: 3 PID: 2277 Comm: cat Tainted: G D W 5.10.125-cip10 #1 [ 138.443166] Hardware name: ARM Juno development board (r0) (DT) [ 138.449106] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 138.455135] pc : refcount_warn_saturate+0xc8/0x144 [ 138.459944] lr : refcount_warn_saturate+0xc8/0x144 [ 138.464748] sp : ffff8000163f3cb0 [ 138.468073] x29: ffff8000163f3cb0 x28: ffff000803394980 [ 138.473415] x27: 0000000000000000 x26: 0000000000000000 [ 138.478757] x25: ffff800011550068 x24: ffff8000163f3e20 [ 138.484099] x23: 000000000000001f x22: ffff0008073bd000 [ 138.489440] x21: 0000000000000001 x20: 000000007fffffff [ 138.494782] x19: ffff8000163f3d04 x18: 0000000000000000 [ 138.500123] x17: 0000000000000000 x16: 0000000000000000 [ 138.505465] x15: 0000000000000030 x14: ffffffffffffffff [ 138.510807] x13: ffff8000963f3957 x12: ffff8000163f395f [ 138.516149] x11: 0000000000000030 x10: 0000000000001440 [ 138.521490] x9 : ffff800010133204 x8 : ffff000803395e20 [ 138.526832] x7 : 0000000000000000 x6 : ffff8000125e1000 [ 138.532173] x5 : ffff8000125e1c88 x4 : ffff00097ef70c50 [ 138.537514] x3 : 0000000000000000 x2 : 0000000000000000 [ 138.542855] x1 : 0000000000000000 x0 : ffff000803394980 [ 138.548197] Call trace: [ 138.550658] refcount_warn_saturate+0xc8/0x144 [ 138.555123] __refcount_add_not_zero.constprop.0+0x84/0xa0 [ 138.560628] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x4c/0x90 [ 138.566222] lkdtm_do_action+0x24/0x40 [ 138.569987] direct_entry+0xd4/0x140 [ 138.573579] full_proxy_write+0x6c/0xc0 [ 138.577431] vfs_write+0xf0/0x210 [ 138.580759] ksys_write+0x74/0x100 [ 138.584174] __arm64_sys_write+0x28/0x34 [ 138.588116] el0_svc_common.constprop.0+0x84/0x1e0 [ 138.592924] do_el0_svc+0x30/0xa0 [ 138.596253] el0_svc+0x20/0x30 [ 138.599321] el0_sync_handler+0x1a4/0x1b0 [ 138.603346] el0_sync+0x180/0x1c0 [ 138.606672] irq event stamp: 0 [ 138.609742] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 138.616034] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 [ 138.624239] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 [ 138.632441] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 138.638725] ---[ end trace 9c05f44cd6398020 ]--- [ 138.643654] lkdtm: Overflow detected: saturated # [ 138.394629] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 138.401506] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 138.407761] ------------[ cut here ]------------ # [ 138.412441] refcount_t: saturated; leaking memory. # [ 138.417436] WARNING: CPU: 3 PID: 2277 at lib/refcount.c:19 refcount_warn_saturate+0xc8/0x144 # [ 138.425899] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 138.435403] CPU: 3 PID: 2277 Comm: cat Tainted: G D W 5.10.125-cip10 #1 # [ 138.443166] Hardware name: ARM Juno development board (r0) (DT) # [ 138.449106] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 138.455135] pc : refcount_warn_saturate+0xc8/0x144 # [ 138.459944] lr : refcount_warn_saturate+0xc8/0x144 # [ 138.464748] sp : ffff8000163f3cb0 # [ 138.468073] x29: ffff8000163f3cb0 x28: ffff000803394980 # [ 138.473415] x27: 0000000000000000 x26: 0000000000000000 # [ 138.478757] x25: ffff800011550068 x24: ffff8000163f3e20 # [ 138.484099] x23: 000000000000001f x22: ffff0008073bd000 # [ 138.489440] x21: 0000000000000001 x20: 000000007fffffff # [ 138.494782] x19: ffff8000163f3d04 x18: 0000000000000000 # [ 138.500123] x17: 0000000000000000 x16: 0000000000000000 # [ 138.505465] x15: 0000000000000030 x14: ffffffffffffffff # [ 138.510807] x13: ffff8000963f3957 x12: ffff8000163f395f # [ 138.516149] x11: 0000000000000030 x10: 0000000000001440 # [ 138.521490] x9 : ffff800010133204 x8 : ffff000803395e20 # [ 138.526832] x7 : 0000000000000000 x6 : ffff8000125e1000 # [ 138.532173] x5 : ffff8000125e1c88 x4 : ffff00097ef70c50 # [ 138.537514] x3 : 0000000000000000 x2 : 0000000000000000 # [ 138.542855] x1 : 0000000000000000 x0 : ffff000803394980 # [ 138.548197] Call trace: # [ 138.550658] refcount_warn_saturate+0xc8/0x144 # [ 138.555123] __refcount_add_not_zero.constprop.0+0x84/0xa0 # [ 138.560628] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x4c/0x90 # [ 138.566222] lkdtm_do_action+0x24/0x40 # [ 138.569987] direct_entry+0xd4/0x140 # [ 138.573579] full_proxy_write+0x6c/0xc0 # [ 138.577431] vfs_write+0xf0/0x210 # [ 138.580759] ksys_write+0x74/0x100 # [ 138.584174] __arm64_sys_write+0x28/0x34 # [ 138.588116] el0_svc_common.constprop.0+0x84/0x1e0 # [ 138.592924] do_el0_svc+0x30/0xa0 # [ 138.596253] el0_svc+0x20/0x30 # [ 138.599321] el0_sync_handler+0x1a4/0x1b0 # [ 138.603346] el0_sync+0x180/0x1c0 # [ 138.606672] irq event stamp: 0 # [ 138.609742] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 138.616034] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 # [ 138.624239] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 # [ 138.632441] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 138.638725] ---[ end trace 9c05f44cd6398020 ]--- # [ 138.643654] lkdtm: Overflow detected: saturated # REFCOUNT_INC_NOT_ZERO_OVERFLOW: saw 'call trace:': ok ok 44 selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh [ 139.132117] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW [ 139.138993] lkdtm: attempting bad refcount_add_not_zero() overflow [ 139.145255] ------------[ cut here ]------------ [ 139.149939] refcount_t: saturated; leaking memory. [ 139.154942] WARNING: CPU: 4 PID: 2309 at lib/refcount.c:19 refcount_warn_saturate+0xc8/0x144 [ 139.163404] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 139.172908] CPU: 4 PID: 2309 Comm: cat Tainted: G D W 5.10.125-cip10 #1 [ 139.180671] Hardware name: ARM Juno development board (r0) (DT) [ 139.186611] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 139.192640] pc : refcount_warn_saturate+0xc8/0x144 [ 139.197449] lr : refcount_warn_saturate+0xc8/0x144 [ 139.202253] sp : ffff80001648bcb0 [ 139.205578] x29: ffff80001648bcb0 x28: ffff000807e18000 [ 139.210921] x27: 0000000000000000 x26: 0000000000000000 [ 139.216262] x25: ffff800011550068 x24: ffff80001648be20 [ 139.221603] x23: 000000000000001f x22: ffff0008028e2000 [ 139.226945] x21: 0000000000000006 x20: 000000007fffffff [ 139.232287] x19: ffff80001648bd04 x18: 0000000000000000 [ 139.237628] x17: 0000000000000000 x16: 0000000000000000 [ 139.242969] x15: 0000000000000030 x14: ffffffffffffffff [ 139.248312] x13: ffff80009648b957 x12: ffff80001648b95f [ 139.253653] x11: 0000000000000030 x10: 0000000000001440 [ 139.258994] x9 : ffff800010133204 x8 : ffff000807e194a0 [ 139.264336] x7 : 0000000000000000 x6 : ffff8000125e1000 [ 139.269677] x5 : ffff8000125e1c88 x4 : ffff00097ef92c50 [ 139.275018] x3 : 0000000000000000 x2 : 0000000000000000 [ 139.280360] x1 : 0000000000000000 x0 : ffff000807e18000 [ 139.285701] Call trace: [ 139.288162] refcount_warn_saturate+0xc8/0x144 [ 139.292627] __refcount_add_not_zero.constprop.0+0x84/0xa0 [ 139.298132] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x4c/0x90 [ 139.303726] lkdtm_do_action+0x24/0x40 [ 139.307491] direct_entry+0xd4/0x140 [ 139.311083] full_proxy_write+0x6c/0xc0 [ 139.314936] vfs_write+0xf0/0x210 [ 139.318264] ksys_write+0x74/0x100 [ 139.321679] __arm64_sys_write+0x28/0x34 [ 139.325620] el0_svc_common.constprop.0+0x84/0x1e0 [ 139.330429] do_el0_svc+0x30/0xa0 [ 139.333758] el0_svc+0x20/0x30 [ 139.336825] el0_sync_handler+0x1a4/0x1b0 [ 139.340850] el0_sync+0x180/0x1c0 [ 139.344175] irq event stamp: 0 [ 139.347245] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 139.353537] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 [ 139.361742] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 [ 139.369943] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 139.376227] ---[ end trace 9c05f44cd6398021 ]--- [ 139.381040] lkdtm: Overflow detected: saturated # [ 139.132117] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 139.138993] lkdtm: attempting bad refcount_add_not_zero() overflow # [ 139.145255] ------------[ cut here ]------------ # [ 139.149939] refcount_t: saturated; leaking memory. # [ 139.154942] WARNING: CPU: 4 PID: 2309 at lib/refcount.c:19 refcount_warn_saturate+0xc8/0x144 # [ 139.163404] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 139.172908] CPU: 4 PID: 2309 Comm: cat Tainted: G D W 5.10.125-cip10 #1 # [ 139.180671] Hardware name: ARM Juno development board (r0) (DT) # [ 139.186611] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 139.192640] pc : refcount_warn_saturate+0xc8/0x144 # [ 139.197449] lr : refcount_warn_saturate+0xc8/0x144 # [ 139.202253] sp : ffff80001648bcb0 # [ 139.205578] x29: ffff80001648bcb0 x28: ffff000807e18000 # [ 139.210921] x27: 0000000000000000 x26: 0000000000000000 # [ 139.216262] x25: ffff800011550068 x24: ffff80001648be20 # [ 139.221603] x23: 000000000000001f x22: ffff0008028e2000 # [ 139.226945] x21: 0000000000000006 x20: 000000007fffffff # [ 139.232287] x19: ffff80001648bd04 x18: 0000000000000000 # [ 139.237628] x17: 0000000000000000 x16: 0000000000000000 # [ 139.242969] x15: 0000000000000030 x14: ffffffffffffffff # [ 139.248312] x13: ffff80009648b957 x12: ffff80001648b95f # [ 139.253653] x11: 0000000000000030 x10: 0000000000001440 # [ 139.258994] x9 : ffff800010133204 x8 : ffff000807e194a0 # [ 139.264336] x7 : 0000000000000000 x6 : ffff8000125e1000 # [ 139.269677] x5 : ffff8000125e1c88 x4 : ffff00097ef92c50 # [ 139.275018] x3 : 0000000000000000 x2 : 0000000000000000 # [ 139.280360] x1 : 0000000000000000 x0 : ffff000807e18000 # [ 139.285701] Call trace: # [ 139.288162] refcount_warn_saturate+0xc8/0x144 # [ 139.292627] __refcount_add_not_zero.constprop.0+0x84/0xa0 # [ 139.298132] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x4c/0x90 # [ 139.303726] lkdtm_do_action+0x24/0x40 # [ 139.307491] direct_entry+0xd4/0x140 # [ 139.311083] full_proxy_write+0x6c/0xc0 # [ 139.314936] vfs_write+0xf0/0x210 # [ 139.318264] ksys_write+0x74/0x100 # [ 139.321679] __arm64_sys_write+0x28/0x34 # [ 139.325620] el0_svc_common.constprop.0+0x84/0x1e0 # [ 139.330429] do_el0_svc+0x30/0xa0 # [ 139.333758] el0_svc+0x20/0x30 # [ 139.336825] el0_sync_handler+0x1a4/0x1b0 # [ 139.340850] el0_sync+0x180/0x1c0 # [ 139.344175] irq event stamp: 0 # [ 139.347245] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 139.353537] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 # [ 139.361742] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 # [ 139.369943] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 139.376227] ---[ end trace 9c05f44cd6398021 ]--- # [ 139.381040] lkdtm: Overflow detected: saturated # REFCOUNT_ADD_NOT_ZERO_OVERFLOW: saw 'call trace:': ok ok 45 selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_DEC_ZERO.sh [ 139.817448] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO [ 139.823221] lkdtm: attempting good refcount_dec() [ 139.828020] lkdtm: attempting bad refcount_dec() to zero [ 139.833407] ------------[ cut here ]------------ [ 139.838207] refcount_t: decrement hit 0; leaking memory. [ 139.843886] WARNING: CPU: 1 PID: 2341 at lib/refcount.c:31 refcount_warn_saturate+0x13c/0x144 [ 139.852432] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 139.861905] CPU: 1 PID: 2341 Comm: cat Tainted: G D W 5.10.125-cip10 #1 [ 139.869664] Hardware name: ARM Juno development board (r0) (DT) [ 139.875599] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 139.881620] pc : refcount_warn_saturate+0x13c/0x144 [ 139.886510] lr : refcount_warn_saturate+0x13c/0x144 [ 139.891395] sp : ffff800016523cc0 [ 139.894715] x29: ffff800016523cc0 x28: ffff00080500c980 [ 139.900048] x27: 0000000000000000 x26: 0000000000000000 [ 139.905381] x25: ffff800011550068 x24: ffff800016523e20 [ 139.910713] x23: 0000000000000012 x22: ffff0008071a3000 [ 139.916044] x21: ffff800011a6ca18 x20: ffff800011550358 [ 139.921377] x19: ffff800016523d04 x18: 0000000000000000 [ 139.926708] x17: 0000000000000000 x16: 0000000000000000 [ 139.932039] x15: 0000000000000000 x14: ffff000800296200 [ 139.937371] x13: ffff80096d100000 x12: 0000000030d4d91d [ 139.942703] x11: 0000000000000000 x10: 0000000000001440 [ 139.948034] x9 : ffff800010133204 x8 : ffff00080500de20 [ 139.953366] x7 : ffff80096d100000 x6 : ffff8000125e1000 [ 139.958697] x5 : ffff8000125e1c88 x4 : ffff00097ef2cc50 [ 139.964029] x3 : 0000000000000000 x2 : 0000000000000000 [ 139.969360] x1 : 0000000000000000 x0 : ffff00080500c980 [ 139.974691] Call trace: [ 139.977145] refcount_warn_saturate+0x13c/0x144 [ 139.981689] __refcount_dec.constprop.0+0x4c/0x5c [ 139.986404] lkdtm_REFCOUNT_DEC_ZERO+0x58/0xe4 [ 139.990860] lkdtm_do_action+0x24/0x40 [ 139.994618] direct_entry+0xd4/0x140 [ 139.998203] full_proxy_write+0x6c/0xc0 [ 140.002048] vfs_write+0xf0/0x210 [ 140.005369] ksys_write+0x74/0x100 [ 140.008778] __arm64_sys_write+0x28/0x34 [ 140.012712] el0_svc_common.constprop.0+0x84/0x1e0 [ 140.017513] do_el0_svc+0x30/0xa0 [ 140.020836] el0_svc+0x20/0x30 [ 140.023896] el0_sync_handler+0x1a4/0x1b0 [ 140.027915] el0_sync+0x180/0x1c0 [ 140.031235] irq event stamp: 0 [ 140.034299] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 140.040582] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 [ 140.048780] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 [ 140.056974] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 140.063253] ---[ end trace 9c05f44cd6398022 ]--- [ 140.067993] lkdtm: Zero detected: saturated # [ 139.817448] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO # [ 139.823221] lkdtm: attempting good refcount_dec() # [ 139.828020] lkdtm: attempting bad refcount_dec() to zero # [ 139.833407] ------------[ cut here ]------------ # [ 139.838207] refcount_t: decrement hit 0; leaking memory. # [ 139.843886] WARNING: CPU: 1 PID: 2341 at lib/refcount.c:31 refcount_warn_saturate+0x13c/0x144 # [ 139.852432] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 139.861905] CPU: 1 PID: 2341 Comm: cat Tainted: G D W 5.10.125-cip10 #1 # [ 139.869664] Hardware name: ARM Juno development board (r0) (DT) # [ 139.875599] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 139.881620] pc : refcount_warn_saturate+0x13c/0x144 # [ 139.886510] lr : refcount_warn_saturate+0x13c/0x144 # [ 139.891395] sp : ffff800016523cc0 # [ 139.894715] x29: ffff800016523cc0 x28: ffff00080500c980 # [ 139.900048] x27: 0000000000000000 x26: 0000000000000000 # [ 139.905381] x25: ffff800011550068 x24: ffff800016523e20 # [ 139.910713] x23: 0000000000000012 x22: ffff0008071a3000 # [ 139.916044] x21: ffff800011a6ca18 x20: ffff800011550358 # [ 139.921377] x19: ffff800016523d04 x18: 0000000000000000 # [ 139.926708] x17: 0000000000000000 x16: 0000000000000000 # [ 139.932039] x15: 0000000000000000 x14: ffff000800296200 # [ 139.937371] x13: ffff80096d100000 x12: 0000000030d4d91d # [ 139.942703] x11: 0000000000000000 x10: 0000000000001440 # [ 139.948034] x9 : ffff800010133204 x8 : ffff00080500de20 # [ 139.953366] x7 : ffff80096d100000 x6 : ffff8000125e1000 # [ 139.958697] x5 : ffff8000125e1c88 x4 : ffff00097ef2cc50 # [ 139.964029] x3 : 0000000000000000 x2 : 0000000000000000 # [ 139.969360] x1 : 0000000000000000 x0 : ffff00080500c980 # [ 139.974691] Call trace: # [ 139.977145] refcount_warn_saturate+0x13c/0x144 # [ 139.981689] __refcount_dec.constprop.0+0x4c/0x5c # [ 139.986404] lkdtm_REFCOUNT_DEC_ZERO+0x58/0xe4 # [ 139.990860] lkdtm_do_action+0x24/0x40 # [ 139.994618] direct_entry+0xd4/0x140 # [ 139.998203] full_proxy_write+0x6c/0xc0 # [ 140.002048] vfs_write+0xf0/0x210 # [ 140.005369] ksys_write+0x74/0x100 # [ 140.008778] __arm64_sys_write+0x28/0x34 # [ 140.012712] el0_svc_common.constprop.0+0x84/0x1e0 # [ 140.017513] do_el0_svc+0x30/0xa0 # [ 140.020836] el0_svc+0x20/0x30 # [ 140.023896] el0_sync_handler+0x1a4/0x1b0 # [ 140.027915] el0_sync+0x180/0x1c0 # [ 140.031235] irq event stamp: 0 # [ 140.034299] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 140.040582] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 # [ 140.048780] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 # [ 140.056974] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 140.063253] ---[ end trace 9c05f44cd6398022 ]--- # [ 140.067993] lkdtm: Zero detected: saturated # REFCOUNT_DEC_ZERO: saw 'call trace:': ok ok 46 selftests: lkdtm: REFCOUNT_DEC_ZERO.sh # selftests: lkdtm: REFCOUNT_DEC_NEGATIVE.sh [ 140.531924] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE [ 140.538018] lkdtm: attempting bad refcount_dec() below zero [ 140.543669] ------------[ cut here ]------------ [ 140.548354] refcount_t: decrement hit 0; leaking memory. [ 140.553804] WARNING: CPU: 0 PID: 2376 at lib/refcount.c:31 refcount_warn_saturate+0x13c/0x144 [ 140.562353] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 140.571860] CPU: 0 PID: 2376 Comm: cat Tainted: G D W 5.10.125-cip10 #1 [ 140.579623] Hardware name: ARM Juno development board (r0) (DT) [ 140.585563] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 140.591592] pc : refcount_warn_saturate+0x13c/0x144 [ 140.596489] lr : refcount_warn_saturate+0x13c/0x144 [ 140.601380] sp : ffff8000165d3cc0 [ 140.604705] x29: ffff8000165d3cc0 x28: ffff000800c03100 [ 140.610048] x27: 0000000000000000 x26: 0000000000000000 [ 140.615389] x25: ffff800011550068 x24: ffff8000165d3e20 [ 140.620731] x23: 0000000000000016 x22: ffff000803cd0000 [ 140.626073] x21: ffff800011a6ca30 x20: ffff800011550368 [ 140.631415] x19: ffff8000165d3d04 x18: 0000000000000000 [ 140.636757] x17: 0000000000000000 x16: 0000000000000000 [ 140.642098] x15: 0000000000000030 x14: ffffffffffffffff [ 140.647439] x13: ffff8000965d3967 x12: ffff8000165d396f [ 140.652780] x11: 0000000000000028 x10: ffff800012668650 [ 140.658122] x9 : ffff800010133204 x8 : ffff800012610650 [ 140.663463] x7 : ffff800012668650 x6 : ffff8000125e1000 [ 140.668805] x5 : ffff8000125e1c88 x4 : ffff00097ef0ac50 [ 140.674146] x3 : 0000000000000000 x2 : 0000000000000000 [ 140.679487] x1 : 0000000000000000 x0 : ffff000800c03100 [ 140.684829] Call trace: [ 140.687289] refcount_warn_saturate+0x13c/0x144 [ 140.691840] __refcount_dec.constprop.0+0x4c/0x5c [ 140.696561] lkdtm_REFCOUNT_DEC_NEGATIVE+0x40/0x74 [ 140.701373] lkdtm_do_action+0x24/0x40 [ 140.705138] direct_entry+0xd4/0x140 [ 140.708731] full_proxy_write+0x6c/0xc0 [ 140.712583] vfs_write+0xf0/0x210 [ 140.715910] ksys_write+0x74/0x100 [ 140.719325] __arm64_sys_write+0x28/0x34 [ 140.723266] el0_svc_common.constprop.0+0x84/0x1e0 [ 140.728075] do_el0_svc+0x30/0xa0 [ 140.731404] el0_svc+0x20/0x30 [ 140.734472] el0_sync_handler+0x1a4/0x1b0 [ 140.738496] el0_sync+0x180/0x1c0 [ 140.741822] irq event stamp: 0 [ 140.744892] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 140.751183] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 [ 140.759388] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 [ 140.767590] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 140.773874] ---[ end trace 9c05f44cd6398023 ]--- [ 140.782520] lkdtm: Negative detected: saturated # [ 140.531924] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 140.538018] lkdtm: attempting bad refcount_dec() below zero # [ 140.543669] ------------[ cut here ]------------ # [ 140.548354] refcount_t: decrement hit 0; leaking memory. # [ 140.553804] WARNING: CPU: 0 PID: 2376 at lib/refcount.c:31 refcount_warn_saturate+0x13c/0x144 # [ 140.562353] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 140.571860] CPU: 0 PID: 2376 Comm: cat Tainted: G D W 5.10.125-cip10 #1 # [ 140.579623] Hardware name: ARM Juno development board (r0) (DT) # [ 140.585563] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 140.591592] pc : refcount_warn_saturate+0x13c/0x144 # [ 140.596489] lr : refcount_warn_saturate+0x13c/0x144 # [ 140.601380] sp : ffff8000165d3cc0 # [ 140.604705] x29: ffff8000165d3cc0 x28: ffff000800c03100 # [ 140.610048] x27: 0000000000000000 x26: 0000000000000000 # [ 140.615389] x25: ffff800011550068 x24: ffff8000165d3e20 # [ 140.620731] x23: 0000000000000016 x22: ffff000803cd0000 # [ 140.626073] x21: ffff800011a6ca30 x20: ffff800011550368 # [ 140.631415] x19: ffff8000165d3d04 x18: 0000000000000000 # [ 140.636757] x17: 0000000000000000 x16: 0000000000000000 # [ 140.642098] x15: 0000000000000030 x14: ffffffffffffffff # [ 140.647439] x13: ffff8000965d3967 x12: ffff8000165d396f # [ 140.652780] x11: 0000000000000028 x10: ffff800012668650 # [ 140.658122] x9 : ffff800010133204 x8 : ffff800012610650 # [ 140.663463] x7 : ffff800012668650 x6 : ffff8000125e1000 # [ 140.668805] x5 : ffff8000125e1c88 x4 : ffff00097ef0ac50 # [ 140.674146] x3 : 0000000000000000 x2 : 0000000000000000 # [ 140.679487] x1 : 0000000000000000 x0 : ffff000800c03100 # [ 140.684829] Call trace: # [ 140.687289] refcount_warn_saturate+0x13c/0x144 # [ 140.691840] __refcount_dec.constprop.0+0x4c/0x5c # [ 140.696561] lkdtm_REFCOUNT_DEC_NEGATIVE+0x40/0x74 # [ 140.701373] lkdtm_do_action+0x24/0x40 # [ 140.705138] direct_entry+0xd4/0x140 # [ 140.708731] full_proxy_write+0x6c/0xc0 # [ 140.712583] vfs_write+0xf0/0x210 # [ 140.715910] ksys_write+0x74/0x100 # [ 140.719325] __arm64_sys_write+0x28/0x34 # [ 140.723266] el0_svc_common.constprop.0+0x84/0x1e0 # [ 140.728075] do_el0_svc+0x30/0xa0 # [ 140.731404] el0_svc+0x20/0x30 # [ 140.734472] el0_sync_handler+0x1a4/0x1b0 # [ 140.738496] el0_sync+0x180/0x1c0 # [ 140.741822] irq event stamp: 0 # [ 140.744892] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 140.751183] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 # [ 140.759388] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 # [ 140.767590] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 140.773874] ---[ end trace 9c05f44cd6398023 ]--- # [ 140.782520] lkdtm: Negative detected: saturated # REFCOUNT_DEC_NEGATIVE: saw 'Negative detected: saturated': ok ok 47 selftests: lkdtm: REFCOUNT_DEC_NEGATIVE.sh # selftests: lkdtm: REFCOUNT_DEC_AND_TEST_NEGATIVE.sh [ 141.286664] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE [ 141.293537] lkdtm: attempting bad refcount_dec_and_test() below zero [ 141.299966] ------------[ cut here ]------------ [ 141.304651] refcount_t: underflow; use-after-free. [ 141.309764] WARNING: CPU: 0 PID: 2411 at lib/refcount.c:28 refcount_warn_saturate+0xf4/0x144 [ 141.318227] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 141.327732] CPU: 0 PID: 2411 Comm: cat Tainted: G D W 5.10.125-cip10 #1 [ 141.335495] Hardware name: ARM Juno development board (r0) (DT) [ 141.341435] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 141.347464] pc : refcount_warn_saturate+0xf4/0x144 [ 141.352274] lr : refcount_warn_saturate+0xf4/0x144 [ 141.357078] sp : ffff800016673cd0 [ 141.360404] x29: ffff800016673cd0 x28: ffff000802a56200 [ 141.365746] x27: 0000000000000000 x26: 0000000000000000 [ 141.371088] x25: ffff800011550068 x24: ffff800016673e20 [ 141.376430] x23: 000000000000001f x22: ffff0008073da000 [ 141.381772] x21: ffff800011a6ca48 x20: ffff800011550378 [ 141.387113] x19: 0000000000000031 x18: 0000000000000000 [ 141.392454] x17: 0000000000000000 x16: 0000000000000000 [ 141.397796] x15: 0000000000000030 x14: ffffffffffffffff [ 141.403137] x13: ffff800096673977 x12: ffff80001667397f [ 141.408478] x11: 0000000000000030 x10: 0000000000001440 [ 141.413820] x9 : ffff800010133204 x8 : ffff000802a576a0 [ 141.419162] x7 : 0000000000000000 x6 : ffff8000125e1000 [ 141.424503] x5 : ffff8000125e1c88 x4 : ffff00097ef0ac50 [ 141.429844] x3 : 0000000000000000 x2 : 0000000000000000 [ 141.435185] x1 : 0000000000000000 x0 : ffff000802a56200 [ 141.440526] Call trace: [ 141.442987] refcount_warn_saturate+0xf4/0x144 [ 141.447450] __refcount_sub_and_test.constprop.0+0x64/0x7c [ 141.452958] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x48/0x90 [ 141.458551] lkdtm_do_action+0x24/0x40 [ 141.462316] direct_entry+0xd4/0x140 [ 141.465908] full_proxy_write+0x6c/0xc0 [ 141.469761] vfs_write+0xf0/0x210 [ 141.473089] ksys_write+0x74/0x100 [ 141.476504] __arm64_sys_write+0x28/0x34 [ 141.480444] el0_svc_common.constprop.0+0x84/0x1e0 [ 141.485253] do_el0_svc+0x30/0xa0 [ 141.488582] el0_svc+0x20/0x30 [ 141.491649] el0_sync_handler+0x1a4/0x1b0 [ 141.495674] el0_sync+0x180/0x1c0 [ 141.499000] irq event stamp: 0 [ 141.502069] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 141.508361] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 [ 141.516565] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 [ 141.524767] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 141.531051] ---[ end trace 9c05f44cd6398024 ]--- [ 141.535856] lkdtm: Negative detected: saturated # [ 141.286664] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 141.293537] lkdtm: attempting bad refcount_dec_and_test() below zero # [ 141.299966] ------------[ cut here ]------------ # [ 141.304651] refcount_t: underflow; use-after-free. # [ 141.309764] WARNING: CPU: 0 PID: 2411 at lib/refcount.c:28 refcount_warn_saturate+0xf4/0x144 # [ 141.318227] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 141.327732] CPU: 0 PID: 2411 Comm: cat Tainted: G D W 5.10.125-cip10 #1 # [ 141.335495] Hardware name: ARM Juno development board (r0) (DT) # [ 141.341435] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 141.347464] pc : refcount_warn_saturate+0xf4/0x144 # [ 141.352274] lr : refcount_warn_saturate+0xf4/0x144 # [ 141.357078] sp : ffff800016673cd0 # [ 141.360404] x29: ffff800016673cd0 x28: ffff000802a56200 # [ 141.365746] x27: 0000000000000000 x26: 0000000000000000 # [ 141.371088] x25: ffff800011550068 x24: ffff800016673e20 # [ 141.376430] x23: 000000000000001f x22: ffff0008073da000 # [ 141.381772] x21: ffff800011a6ca48 x20: ffff800011550378 # [ 141.387113] x19: 0000000000000031 x18: 0000000000000000 # [ 141.392454] x17: 0000000000000000 x16: 0000000000000000 # [ 141.397796] x15: 0000000000000030 x14: ffffffffffffffff # [ 141.403137] x13: ffff800096673977 x12: ffff80001667397f # [ 141.408478] x11: 0000000000000030 x10: 0000000000001440 # [ 141.413820] x9 : ffff800010133204 x8 : ffff000802a576a0 # [ 141.419162] x7 : 0000000000000000 x6 : ffff8000125e1000 # [ 141.424503] x5 : ffff8000125e1c88 x4 : ffff00097ef0ac50 # [ 141.429844] x3 : 0000000000000000 x2 : 0000000000000000 # [ 141.435185] x1 : 0000000000000000 x0 : ffff000802a56200 # [ 141.440526] Call trace: # [ 141.442987] refcount_warn_saturate+0xf4/0x144 # [ 141.447450] __refcount_sub_and_test.constprop.0+0x64/0x7c # [ 141.452958] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x48/0x90 # [ 141.458551] lkdtm_do_action+0x24/0x40 # [ 141.462316] direct_entry+0xd4/0x140 # [ 141.465908] full_proxy_write+0x6c/0xc0 # [ 141.469761] vfs_write+0xf0/0x210 # [ 141.473089] ksys_write+0x74/0x100 # [ 141.476504] __arm64_sys_write+0x28/0x34 # [ 141.480444] el0_svc_common.constprop.0+0x84/0x1e0 # [ 141.485253] do_el0_svc+0x30/0xa0 # [ 141.488582] el0_svc+0x20/0x30 # [ 141.491649] el0_sync_handler+0x1a4/0x1b0 # [ 141.495674] el0_sync+0x180/0x1c0 # [ 141.499000] irq event stamp: 0 # [ 141.502069] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 141.508361] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 # [ 141.516565] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 # [ 141.524767] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 141.531051] ---[ end trace 9c05f44cd6398024 ]--- # [ 141.535856] lkdtm: Negative detected: saturated # REFCOUNT_DEC_AND_TEST_NEGATIVE: saw 'Negative detected: saturated': ok ok 48 selftests: lkdtm: REFCOUNT_DEC_AND_TEST_NEGATIVE.sh # selftests: lkdtm: REFCOUNT_SUB_AND_TEST_NEGATIVE.sh [ 142.044103] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE [ 142.050983] lkdtm: attempting bad refcount_sub_and_test() below zero [ 142.057419] ------------[ cut here ]------------ [ 142.062105] refcount_t: underflow; use-after-free. [ 142.067104] WARNING: CPU: 3 PID: 2446 at lib/refcount.c:28 refcount_warn_saturate+0xf4/0x144 [ 142.075566] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 142.085071] CPU: 3 PID: 2446 Comm: cat Tainted: G D W 5.10.125-cip10 #1 [ 142.092835] Hardware name: ARM Juno development board (r0) (DT) [ 142.098775] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 142.104804] pc : refcount_warn_saturate+0xf4/0x144 [ 142.109613] lr : refcount_warn_saturate+0xf4/0x144 [ 142.114417] sp : ffff8000166f3cd0 [ 142.117742] x29: ffff8000166f3cd0 x28: ffff000807e1c980 [ 142.123085] x27: 0000000000000000 x26: 0000000000000000 [ 142.128427] x25: ffff800011550068 x24: ffff8000166f3e20 [ 142.133769] x23: 000000000000001f x22: ffff000807fa7000 [ 142.139110] x21: ffff800011a6ca68 x20: ffff800011550388 [ 142.144452] x19: 0000000000000032 x18: 0000000000000001 [ 142.149793] x17: 0000000000000000 x16: 0000000000000000 [ 142.155134] x15: 0000000000000030 x14: ffffffffffffffff [ 142.160476] x13: ffff8000966f3977 x12: ffff8000166f3980 [ 142.165817] x11: 0000000000000030 x10: 0000000000001440 [ 142.171159] x9 : ffff800010133204 x8 : ffff000807e1de20 [ 142.176501] x7 : 0000000000000000 x6 : ffff8000125e1000 [ 142.181842] x5 : ffff8000125e1c88 x4 : ffff00097ef70c50 [ 142.187183] x3 : 0000000000000000 x2 : 0000000000000000 [ 142.192524] x1 : 0000000000000000 x0 : ffff000807e1c980 [ 142.197865] Call trace: [ 142.200326] refcount_warn_saturate+0xf4/0x144 [ 142.204788] __refcount_sub_and_test.constprop.0+0x64/0x7c [ 142.210296] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x4c/0x94 [ 142.215889] lkdtm_do_action+0x24/0x40 [ 142.219654] direct_entry+0xd4/0x140 [ 142.223246] full_proxy_write+0x6c/0xc0 [ 142.227098] vfs_write+0xf0/0x210 [ 142.230426] ksys_write+0x74/0x100 [ 142.233841] __arm64_sys_write+0x28/0x34 [ 142.237782] el0_svc_common.constprop.0+0x84/0x1e0 [ 142.242591] do_el0_svc+0x30/0xa0 [ 142.245920] el0_svc+0x20/0x30 [ 142.248987] el0_sync_handler+0x1a4/0x1b0 [ 142.253011] el0_sync+0x180/0x1c0 [ 142.256337] irq event stamp: 0 [ 142.259407] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 142.265698] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 [ 142.273902] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 [ 142.282104] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 142.288389] ---[ end trace 9c05f44cd6398025 ]--- [ 142.293245] lkdtm: Negative detected: saturated # [ 142.044103] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 142.050983] lkdtm: attempting bad refcount_sub_and_test() below zero # [ 142.057419] ------------[ cut here ]------------ # [ 142.062105] refcount_t: underflow; use-after-free. # [ 142.067104] WARNING: CPU: 3 PID: 2446 at lib/refcount.c:28 refcount_warn_saturate+0xf4/0x144 # [ 142.075566] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 142.085071] CPU: 3 PID: 2446 Comm: cat Tainted: G D W 5.10.125-cip10 #1 # [ 142.092835] Hardware name: ARM Juno development board (r0) (DT) # [ 142.098775] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 142.104804] pc : refcount_warn_saturate+0xf4/0x144 # [ 142.109613] lr : refcount_warn_saturate+0xf4/0x144 # [ 142.114417] sp : ffff8000166f3cd0 # [ 142.117742] x29: ffff8000166f3cd0 x28: ffff000807e1c980 # [ 142.123085] x27: 0000000000000000 x26: 0000000000000000 # [ 142.128427] x25: ffff800011550068 x24: ffff8000166f3e20 # [ 142.133769] x23: 000000000000001f x22: ffff000807fa7000 # [ 142.139110] x21: ffff800011a6ca68 x20: ffff800011550388 # [ 142.144452] x19: 0000000000000032 x18: 0000000000000001 # [ 142.149793] x17: 0000000000000000 x16: 0000000000000000 # [ 142.155134] x15: 0000000000000030 x14: ffffffffffffffff # [ 142.160476] x13: ffff8000966f3977 x12: ffff8000166f3980 # [ 142.165817] x11: 0000000000000030 x10: 0000000000001440 # [ 142.171159] x9 : ffff800010133204 x8 : ffff000807e1de20 # [ 142.176501] x7 : 0000000000000000 x6 : ffff8000125e1000 # [ 142.181842] x5 : ffff8000125e1c88 x4 : ffff00097ef70c50 # [ 142.187183] x3 : 0000000000000000 x2 : 0000000000000000 # [ 142.192524] x1 : 0000000000000000 x0 : ffff000807e1c980 # [ 142.197865] Call trace: # [ 142.200326] refcount_warn_saturate+0xf4/0x144 # [ 142.204788] __refcount_sub_and_test.constprop.0+0x64/0x7c # [ 142.210296] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x4c/0x94 # [ 142.215889] lkdtm_do_action+0x24/0x40 # [ 142.219654] direct_entry+0xd4/0x140 # [ 142.223246] full_proxy_write+0x6c/0xc0 # [ 142.227098] vfs_write+0xf0/0x210 # [ 142.230426] ksys_write+0x74/0x100 # [ 142.233841] __arm64_sys_write+0x28/0x34 # [ 142.237782] el0_svc_common.constprop.0+0x84/0x1e0 # [ 142.242591] do_el0_svc+0x30/0xa0 # [ 142.245920] el0_svc+0x20/0x30 # [ 142.248987] el0_sync_handler+0x1a4/0x1b0 # [ 142.253011] el0_sync+0x180/0x1c0 # [ 142.256337] irq event stamp: 0 # [ 142.259407] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 142.265698] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 # [ 142.273902] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 # [ 142.282104] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 142.288389] ---[ end trace 9c05f44cd6398025 ]--- # [ 142.293245] lkdtm: Negative detected: saturated # REFCOUNT_SUB_AND_TEST_NEGATIVE: saw 'Negative detected: saturated': ok ok 49 selftests: lkdtm: REFCOUNT_SUB_AND_TEST_NEGATIVE.sh # selftests: lkdtm: REFCOUNT_INC_ZERO.sh [ 142.749288] lkdtm: Performing direct entry REFCOUNT_INC_ZERO [ 142.755048] lkdtm: attempting safe refcount_inc_not_zero() from zero [ 142.761489] lkdtm: Good: zero detected [ 142.765303] lkdtm: Correctly stayed at zero [ 142.769549] lkdtm: attempting bad refcount_inc() from zero [ 142.775302] ------------[ cut here ]------------ [ 142.779985] refcount_t: addition on 0; use-after-free. [ 142.785206] WARNING: CPU: 1 PID: 2478 at lib/refcount.c:25 refcount_warn_saturate+0xa0/0x144 [ 142.793661] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 142.803135] CPU: 1 PID: 2478 Comm: cat Tainted: G D W 5.10.125-cip10 #1 [ 142.810893] Hardware name: ARM Juno development board (r0) (DT) [ 142.816827] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 142.822849] pc : refcount_warn_saturate+0xa0/0x144 [ 142.827652] lr : refcount_warn_saturate+0xa0/0x144 [ 142.832450] sp : ffff80001678bcd0 [ 142.835770] x29: ffff80001678bcd0 x28: ffff00080288c980 [ 142.841103] x27: 0000000000000000 x26: 0000000000000000 [ 142.846435] x25: ffff800011550068 x24: ffff80001678be20 [ 142.851767] x23: 0000000000000012 x22: ffff000804b37000 [ 142.857098] x21: ffff800011a6ca88 x20: ffff800011550398 [ 142.862430] x19: 0000000000000033 x18: 0000000000000000 [ 142.867762] x17: 0000000000000000 x16: 0000000000000000 [ 142.873093] x15: 0000000000000030 x14: ffffffffffffffff [ 142.878424] x13: ffff80009678b977 x12: ffff80001678b97f [ 142.883755] x11: 0000000000000000 x10: ffff800012668650 [ 142.889087] x9 : ffff800010133204 x8 : ffff800012610650 [ 142.894418] x7 : ffff800012668650 x6 : ffff8000125e1000 [ 142.899749] x5 : ffff8000125e1c88 x4 : ffff00097ef2cc50 [ 142.905080] x3 : 0000000000000000 x2 : 0000000000000000 [ 142.910411] x1 : 0000000000000000 x0 : ffff00080288c980 [ 142.915743] Call trace: [ 142.918197] refcount_warn_saturate+0xa0/0x144 [ 142.922654] __refcount_add.constprop.0+0x54/0x80 [ 142.927370] lkdtm_REFCOUNT_INC_ZERO+0xa8/0xd8 [ 142.931825] lkdtm_do_action+0x24/0x40 [ 142.935583] direct_entry+0xd4/0x140 [ 142.939169] full_proxy_write+0x6c/0xc0 [ 142.943015] vfs_write+0xf0/0x210 [ 142.946337] ksys_write+0x74/0x100 [ 142.949745] __arm64_sys_write+0x28/0x34 [ 142.953678] el0_svc_common.constprop.0+0x84/0x1e0 [ 142.958480] do_el0_svc+0x30/0xa0 [ 142.961801] el0_svc+0x20/0x30 [ 142.964862] el0_sync_handler+0x1a4/0x1b0 [ 142.968880] el0_sync+0x180/0x1c0 [ 142.972200] irq event stamp: 0 [ 142.975263] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 142.981547] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 [ 142.989745] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 [ 142.997939] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 143.004217] ---[ end trace 9c05f44cd6398026 ]--- [ 143.008967] lkdtm: Zero detected: saturated # [ 142.749288] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 142.755048] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 142.761489] lkdtm: Good: zero detected # [ 142.765303] lkdtm: Correctly stayed at zero # [ 142.769549] lkdtm: attempting bad refcount_inc() from zero # [ 142.775302] ------------[ cut here ]------------ # [ 142.779985] refcount_t: addition on 0; use-after-free. # [ 142.785206] WARNING: CPU: 1 PID: 2478 at lib/refcount.c:25 refcount_warn_saturate+0xa0/0x144 # [ 142.793661] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 142.803135] CPU: 1 PID: 2478 Comm: cat Tainted: G D W 5.10.125-cip10 #1 # [ 142.810893] Hardware name: ARM Juno development board (r0) (DT) # [ 142.816827] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 142.822849] pc : refcount_warn_saturate+0xa0/0x144 # [ 142.827652] lr : refcount_warn_saturate+0xa0/0x144 # [ 142.832450] sp : ffff80001678bcd0 # [ 142.835770] x29: ffff80001678bcd0 x28: ffff00080288c980 # [ 142.841103] x27: 0000000000000000 x26: 0000000000000000 # [ 142.846435] x25: ffff800011550068 x24: ffff80001678be20 # [ 142.851767] x23: 0000000000000012 x22: ffff000804b37000 # [ 142.857098] x21: ffff800011a6ca88 x20: ffff800011550398 # [ 142.862430] x19: 0000000000000033 x18: 0000000000000000 # [ 142.867762] x17: 0000000000000000 x16: 0000000000000000 # [ 142.873093] x15: 0000000000000030 x14: ffffffffffffffff # [ 142.878424] x13: ffff80009678b977 x12: ffff80001678b97f # [ 142.883755] x11: 0000000000000000 x10: ffff800012668650 # [ 142.889087] x9 : ffff800010133204 x8 : ffff800012610650 # [ 142.894418] x7 : ffff800012668650 x6 : ffff8000125e1000 # [ 142.899749] x5 : ffff8000125e1c88 x4 : ffff00097ef2cc50 # [ 142.905080] x3 : 0000000000000000 x2 : 0000000000000000 # [ 142.910411] x1 : 0000000000000000 x0 : ffff00080288c980 # [ 142.915743] Call trace: # [ 142.918197] refcount_warn_saturate+0xa0/0x144 # [ 142.922654] __refcount_add.constprop.0+0x54/0x80 # [ 142.927370] lkdtm_REFCOUNT_INC_ZERO+0xa8/0xd8 # [ 142.931825] lkdtm_do_action+0x24/0x40 # [ 142.935583] direct_entry+0xd4/0x140 # [ 142.939169] full_proxy_write+0x6c/0xc0 # [ 142.943015] vfs_write+0xf0/0x210 # [ 142.946337] ksys_write+0x74/0x100 # [ 142.949745] __arm64_sys_write+0x28/0x34 # [ 142.953678] el0_svc_common.constprop.0+0x84/0x1e0 # [ 142.958480] do_el0_svc+0x30/0xa0 # [ 142.961801] el0_svc+0x20/0x30 # [ 142.964862] el0_sync_handler+0x1a4/0x1b0 # [ 142.968880] el0_sync+0x180/0x1c0 # [ 142.972200] irq event stamp: 0 # [ 142.975263] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 142.981547] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 # [ 142.989745] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 # [ 142.997939] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 143.004217] ---[ end trace 9c05f44cd6398026 ]--- # [ 143.008967] lkdtm: Zero detected: saturated # REFCOUNT_INC_ZERO: saw 'call trace:': ok ok 50 selftests: lkdtm: REFCOUNT_INC_ZERO.sh # selftests: lkdtm: REFCOUNT_ADD_ZERO.sh [ 143.474234] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO [ 143.479992] lkdtm: attempting safe refcount_add_not_zero() from zero [ 143.486443] lkdtm: Good: zero detected [ 143.490217] lkdtm: Correctly stayed at zero [ 143.494538] lkdtm: attempting bad refcount_add() from zero [ 143.500204] ------------[ cut here ]------------ [ 143.504974] refcount_t: addition on 0; use-after-free. [ 143.510202] WARNING: CPU: 1 PID: 2510 at lib/refcount.c:25 refcount_warn_saturate+0xa0/0x144 [ 143.518658] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 143.528133] CPU: 1 PID: 2510 Comm: cat Tainted: G D W 5.10.125-cip10 #1 [ 143.535891] Hardware name: ARM Juno development board (r0) (DT) [ 143.541825] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 143.547847] pc : refcount_warn_saturate+0xa0/0x144 [ 143.552649] lr : refcount_warn_saturate+0xa0/0x144 [ 143.557447] sp : ffff800016843cd0 [ 143.560767] x29: ffff800016843cd0 x28: ffff00080500c980 [ 143.566101] x27: 0000000000000000 x26: 0000000000000000 [ 143.571433] x25: ffff800011550068 x24: ffff800016843e20 [ 143.576765] x23: 0000000000000012 x22: ffff000804b31000 [ 143.582097] x21: ffff800011a6caa0 x20: ffff8000115503a8 [ 143.587428] x19: 0000000000000034 x18: 0000000000000000 [ 143.592760] x17: 0000000000000000 x16: 0000000000000000 [ 143.598091] x15: 0000000000000030 x14: ffffffffffffffff [ 143.603423] x13: ffff800096843977 x12: ffff80001684397f [ 143.608754] x11: 0000000000000c2c x10: ffff800012668650 [ 143.614086] x9 : ffff800010133204 x8 : ffff800012610650 [ 143.619417] x7 : ffff800012668650 x6 : ffff8000125e1000 [ 143.624749] x5 : ffff8000125e1c88 x4 : ffff00097ef2cc50 [ 143.630080] x3 : 0000000000000000 x2 : 0000000000000000 [ 143.635411] x1 : 0000000000000000 x0 : ffff00080500c980 [ 143.640742] Call trace: [ 143.643196] refcount_warn_saturate+0xa0/0x144 [ 143.647652] __refcount_add.constprop.0+0x54/0x80 [ 143.652370] lkdtm_REFCOUNT_ADD_ZERO+0xa8/0xd8 [ 143.656825] lkdtm_do_action+0x24/0x40 [ 143.660583] direct_entry+0xd4/0x140 [ 143.664168] full_proxy_write+0x6c/0xc0 [ 143.668015] vfs_write+0xf0/0x210 [ 143.671337] ksys_write+0x74/0x100 [ 143.674746] __arm64_sys_write+0x28/0x34 [ 143.678679] el0_svc_common.constprop.0+0x84/0x1e0 [ 143.683481] do_el0_svc+0x30/0xa0 [ 143.686804] el0_svc+0x20/0x30 [ 143.689865] el0_sync_handler+0x1a4/0x1b0 [ 143.693882] el0_sync+0x180/0x1c0 [ 143.697202] irq event stamp: 0 [ 143.700266] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 143.706550] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 [ 143.714747] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 [ 143.722942] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 143.729220] ---[ end trace 9c05f44cd6398027 ]--- [ 143.733898] lkdtm: Zero detected: saturated # [ 143.474234] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 143.479992] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 143.486443] lkdtm: Good: zero detected # [ 143.490217] lkdtm: Correctly stayed at zero # [ 143.494538] lkdtm: attempting bad refcount_add() from zero # [ 143.500204] ------------[ cut here ]------------ # [ 143.504974] refcount_t: addition on 0; use-after-free. # [ 143.510202] WARNING: CPU: 1 PID: 2510 at lib/refcount.c:25 refcount_warn_saturate+0xa0/0x144 # [ 143.518658] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 143.528133] CPU: 1 PID: 2510 Comm: cat Tainted: G D W 5.10.125-cip10 #1 # [ 143.535891] Hardware name: ARM Juno development board (r0) (DT) # [ 143.541825] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 143.547847] pc : refcount_warn_saturate+0xa0/0x144 # [ 143.552649] lr : refcount_warn_saturate+0xa0/0x144 # [ 143.557447] sp : ffff800016843cd0 # [ 143.560767] x29: ffff800016843cd0 x28: ffff00080500c980 # [ 143.566101] x27: 0000000000000000 x26: 0000000000000000 # [ 143.571433] x25: ffff800011550068 x24: ffff800016843e20 # [ 143.576765] x23: 0000000000000012 x22: ffff000804b31000 # [ 143.582097] x21: ffff800011a6caa0 x20: ffff8000115503a8 # [ 143.587428] x19: 0000000000000034 x18: 0000000000000000 # [ 143.592760] x17: 0000000000000000 x16: 0000000000000000 # [ 143.598091] x15: 0000000000000030 x14: ffffffffffffffff # [ 143.603423] x13: ffff800096843977 x12: ffff80001684397f # [ 143.608754] x11: 0000000000000c2c x10: ffff800012668650 # [ 143.614086] x9 : ffff800010133204 x8 : ffff800012610650 # [ 143.619417] x7 : ffff800012668650 x6 : ffff8000125e1000 # [ 143.624749] x5 : ffff8000125e1c88 x4 : ffff00097ef2cc50 # [ 143.630080] x3 : 0000000000000000 x2 : 0000000000000000 # [ 143.635411] x1 : 0000000000000000 x0 : ffff00080500c980 # [ 143.640742] Call trace: # [ 143.643196] refcount_warn_saturate+0xa0/0x144 # [ 143.647652] __refcount_add.constprop.0+0x54/0x80 # [ 143.652370] lkdtm_REFCOUNT_ADD_ZERO+0xa8/0xd8 # [ 143.656825] lkdtm_do_action+0x24/0x40 # [ 143.660583] direct_entry+0xd4/0x140 # [ 143.664168] full_proxy_write+0x6c/0xc0 # [ 143.668015] vfs_write+0xf0/0x210 # [ 143.671337] ksys_write+0x74/0x100 # [ 143.674746] __arm64_sys_write+0x28/0x34 # [ 143.678679] el0_svc_common.constprop.0+0x84/0x1e0 # [ 143.683481] do_el0_svc+0x30/0xa0 # [ 143.686804] el0_svc+0x20/0x30 # [ 143.689865] el0_sync_handler+0x1a4/0x1b0 # [ 143.693882] el0_sync+0x180/0x1c0 # [ 143.697202] irq event stamp: 0 # [ 143.700266] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 143.706550] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 # [ 143.714747] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 # [ 143.722942] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 143.729220] ---[ end trace 9c05f44cd6398027 ]--- # [ 143.733898] lkdtm: Zero detected: saturated # REFCOUNT_ADD_ZERO: saw 'call trace:': ok ok 51 selftests: lkdtm: REFCOUNT_ADD_ZERO.sh # selftests: lkdtm: REFCOUNT_INC_SATURATED.sh [ 144.261317] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED [ 144.267513] lkdtm: attempting bad refcount_inc() from saturated [ 144.273519] ------------[ cut here ]------------ [ 144.278287] refcount_t: saturated; leaking memory. [ 144.283267] WARNING: CPU: 1 PID: 2545 at lib/refcount.c:22 refcount_warn_saturate+0x74/0x144 [ 144.291723] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 144.301198] CPU: 1 PID: 2545 Comm: cat Tainted: G D W 5.10.125-cip10 #1 [ 144.308957] Hardware name: ARM Juno development board (r0) (DT) [ 144.314891] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 144.320913] pc : refcount_warn_saturate+0x74/0x144 [ 144.325715] lr : refcount_warn_saturate+0x74/0x144 [ 144.330514] sp : ffff80001688bcd0 [ 144.333834] x29: ffff80001688bcd0 x28: ffff0008024eb100 [ 144.339168] x27: 0000000000000000 x26: 0000000000000000 [ 144.344500] x25: ffff800011550068 x24: ffff80001688be20 [ 144.349832] x23: 0000000000000017 x22: ffff000807fbc000 [ 144.355164] x21: ffff800011a6cab8 x20: ffff8000115503b8 [ 144.360495] x19: 0000000000000035 x18: 0000000000000000 [ 144.365827] x17: 0000000000000000 x16: 0000000000000000 [ 144.371158] x15: 0000000000000030 x14: ffffffffffffffff [ 144.376489] x13: ffff80009688b977 x12: ffff80001688b97f [ 144.381820] x11: 0000000000000b18 x10: ffff800012668650 [ 144.387152] x9 : ffff800010133204 x8 : ffff800012610650 [ 144.392484] x7 : ffff800012668650 x6 : ffff8000125e1000 [ 144.397816] x5 : ffff8000125e1c88 x4 : ffff00097ef2cc50 [ 144.403147] x3 : 0000000000000000 x2 : 0000000000000000 [ 144.408479] x1 : 0000000000000000 x0 : ffff0008024eb100 [ 144.413810] Call trace: [ 144.416264] refcount_warn_saturate+0x74/0x144 [ 144.420721] __refcount_add.constprop.0+0x6c/0x80 [ 144.425438] lkdtm_REFCOUNT_INC_SATURATED+0x48/0x78 [ 144.430328] lkdtm_do_action+0x24/0x40 [ 144.434086] direct_entry+0xd4/0x140 [ 144.437671] full_proxy_write+0x6c/0xc0 [ 144.441517] vfs_write+0xf0/0x210 [ 144.444839] ksys_write+0x74/0x100 [ 144.448247] __arm64_sys_write+0x28/0x34 [ 144.452181] el0_svc_common.constprop.0+0x84/0x1e0 [ 144.456984] do_el0_svc+0x30/0xa0 [ 144.460306] el0_svc+0x20/0x30 [ 144.463367] el0_sync_handler+0x1a4/0x1b0 [ 144.467385] el0_sync+0x180/0x1c0 [ 144.470705] irq event stamp: 0 [ 144.473768] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 144.480053] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 [ 144.488251] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 [ 144.496446] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 144.502725] ---[ end trace 9c05f44cd6398028 ]--- [ 144.507437] lkdtm: Saturation detected: still saturated # [ 144.261317] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 144.267513] lkdtm: attempting bad refcount_inc() from saturated # [ 144.273519] ------------[ cut here ]------------ # [ 144.278287] refcount_t: saturated; leaking memory. # [ 144.283267] WARNING: CPU: 1 PID: 2545 at lib/refcount.c:22 refcount_warn_saturate+0x74/0x144 # [ 144.291723] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 144.301198] CPU: 1 PID: 2545 Comm: cat Tainted: G D W 5.10.125-cip10 #1 # [ 144.308957] Hardware name: ARM Juno development board (r0) (DT) # [ 144.314891] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 144.320913] pc : refcount_warn_saturate+0x74/0x144 # [ 144.325715] lr : refcount_warn_saturate+0x74/0x144 # [ 144.330514] sp : ffff80001688bcd0 # [ 144.333834] x29: ffff80001688bcd0 x28: ffff0008024eb100 # [ 144.339168] x27: 0000000000000000 x26: 0000000000000000 # [ 144.344500] x25: ffff800011550068 x24: ffff80001688be20 # [ 144.349832] x23: 0000000000000017 x22: ffff000807fbc000 # [ 144.355164] x21: ffff800011a6cab8 x20: ffff8000115503b8 # [ 144.360495] x19: 0000000000000035 x18: 0000000000000000 # [ 144.365827] x17: 0000000000000000 x16: 0000000000000000 # [ 144.371158] x15: 0000000000000030 x14: ffffffffffffffff # [ 144.376489] x13: ffff80009688b977 x12: ffff80001688b97f # [ 144.381820] x11: 0000000000000b18 x10: ffff800012668650 # [ 144.387152] x9 : ffff800010133204 x8 : ffff800012610650 # [ 144.392484] x7 : ffff800012668650 x6 : ffff8000125e1000 # [ 144.397816] x5 : ffff8000125e1c88 x4 : ffff00097ef2cc50 # [ 144.403147] x3 : 0000000000000000 x2 : 0000000000000000 # [ 144.408479] x1 : 0000000000000000 x0 : ffff0008024eb100 # [ 144.413810] Call trace: # [ 144.416264] refcount_warn_saturate+0x74/0x144 # [ 144.420721] __refcount_add.constprop.0+0x6c/0x80 # [ 144.425438] lkdtm_REFCOUNT_INC_SATURATED+0x48/0x78 # [ 144.430328] lkdtm_do_action+0x24/0x40 # [ 144.434086] direct_entry+0xd4/0x140 # [ 144.437671] full_proxy_write+0x6c/0xc0 # [ 144.441517] vfs_write+0xf0/0x210 # [ 144.444839] ksys_write+0x74/0x100 # [ 144.448247] __arm64_sys_write+0x28/0x34 # [ 144.452181] el0_svc_common.constprop.0+0x84/0x1e0 # [ 144.456984] do_el0_svc+0x30/0xa0 # [ 144.460306] el0_svc+0x20/0x30 # [ 144.463367] el0_sync_handler+0x1a4/0x1b0 # [ 144.467385] el0_sync+0x180/0x1c0 # [ 144.470705] irq event stamp: 0 # [ 144.473768] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 144.480053] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 # [ 144.488251] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 # [ 144.496446] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 144.502725] ---[ end trace 9c05f44cd6398028 ]--- # [ 144.507437] 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 [ 145.021564] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED [ 145.027754] lkdtm: attempting bad refcount_dec() from saturated [ 145.033767] ------------[ cut here ]------------ [ 145.038455] refcount_t: decrement hit 0; leaking memory. [ 145.043976] WARNING: CPU: 3 PID: 2580 at lib/refcount.c:31 refcount_warn_saturate+0x13c/0x144 [ 145.052526] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 145.062032] CPU: 3 PID: 2580 Comm: cat Tainted: G D W 5.10.125-cip10 #1 [ 145.069796] Hardware name: ARM Juno development board (r0) (DT) [ 145.075736] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 145.081767] pc : refcount_warn_saturate+0x13c/0x144 [ 145.086663] lr : refcount_warn_saturate+0x13c/0x144 [ 145.091554] sp : ffff80001698bcc0 [ 145.094879] x29: ffff80001698bcc0 x28: ffff00080288b100 [ 145.100222] x27: 0000000000000000 x26: 0000000000000000 [ 145.105564] x25: ffff800011550068 x24: ffff80001698be20 [ 145.110906] x23: 0000000000000017 x22: ffff0008028b6000 [ 145.116248] x21: ffff800011a6cad0 x20: ffff8000115503c8 [ 145.121590] x19: ffff80001698bd04 x18: 0000000000000001 [ 145.126931] x17: 0000000000000000 x16: 0000000000000000 [ 145.132273] x15: 0000000000000030 x14: ffffffffffffffff [ 145.137615] x13: ffff80009698b967 x12: ffff80001698b970 [ 145.142957] x11: 0000000000000030 x10: 0000000000001440 [ 145.148298] x9 : ffff800010133204 x8 : ffff00080288c5a0 [ 145.153640] x7 : 0000000000000000 x6 : ffff8000125e1000 [ 145.158981] x5 : ffff8000125e1c88 x4 : ffff00097ef70c50 [ 145.164323] x3 : 0000000000000000 x2 : 0000000000000000 [ 145.169664] x1 : 0000000000000000 x0 : ffff00080288b100 [ 145.175005] Call trace: [ 145.177466] refcount_warn_saturate+0x13c/0x144 [ 145.182018] __refcount_dec.constprop.0+0x4c/0x5c [ 145.186739] lkdtm_REFCOUNT_DEC_SATURATED+0x44/0x74 [ 145.191637] lkdtm_do_action+0x24/0x40 [ 145.195402] direct_entry+0xd4/0x140 [ 145.198995] full_proxy_write+0x6c/0xc0 [ 145.202847] vfs_write+0xf0/0x210 [ 145.206175] ksys_write+0x74/0x100 [ 145.209591] __arm64_sys_write+0x28/0x34 [ 145.213532] el0_svc_common.constprop.0+0x84/0x1e0 [ 145.218341] do_el0_svc+0x30/0xa0 [ 145.221670] el0_svc+0x20/0x30 [ 145.224737] el0_sync_handler+0x1a4/0x1b0 [ 145.228762] el0_sync+0x180/0x1c0 [ 145.232088] irq event stamp: 0 [ 145.235158] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 145.241450] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 [ 145.249655] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 [ 145.257857] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 145.264141] ---[ end trace 9c05f44cd6398029 ]--- [ 145.269043] lkdtm: Saturation detected: still saturated # [ 145.021564] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 145.027754] lkdtm: attempting bad refcount_dec() from saturated # [ 145.033767] ------------[ cut here ]------------ # [ 145.038455] refcount_t: decrement hit 0; leaking memory. # [ 145.043976] WARNING: CPU: 3 PID: 2580 at lib/refcount.c:31 refcount_warn_saturate+0x13c/0x144 # [ 145.052526] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 145.062032] CPU: 3 PID: 2580 Comm: cat Tainted: G D W 5.10.125-cip10 #1 # [ 145.069796] Hardware name: ARM Juno development board (r0) (DT) # [ 145.075736] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 145.081767] pc : refcount_warn_saturate+0x13c/0x144 # [ 145.086663] lr : refcount_warn_saturate+0x13c/0x144 # [ 145.091554] sp : ffff80001698bcc0 # [ 145.094879] x29: ffff80001698bcc0 x28: ffff00080288b100 # [ 145.100222] x27: 0000000000000000 x26: 0000000000000000 # [ 145.105564] x25: ffff800011550068 x24: ffff80001698be20 # [ 145.110906] x23: 0000000000000017 x22: ffff0008028b6000 # [ 145.116248] x21: ffff800011a6cad0 x20: ffff8000115503c8 # [ 145.121590] x19: ffff80001698bd04 x18: 0000000000000001 # [ 145.126931] x17: 0000000000000000 x16: 0000000000000000 # [ 145.132273] x15: 0000000000000030 x14: ffffffffffffffff # [ 145.137615] x13: ffff80009698b967 x12: ffff80001698b970 # [ 145.142957] x11: 0000000000000030 x10: 0000000000001440 # [ 145.148298] x9 : ffff800010133204 x8 : ffff00080288c5a0 # [ 145.153640] x7 : 0000000000000000 x6 : ffff8000125e1000 # [ 145.158981] x5 : ffff8000125e1c88 x4 : ffff00097ef70c50 # [ 145.164323] x3 : 0000000000000000 x2 : 0000000000000000 # [ 145.169664] x1 : 0000000000000000 x0 : ffff00080288b100 # [ 145.175005] Call trace: # [ 145.177466] refcount_warn_saturate+0x13c/0x144 # [ 145.182018] __refcount_dec.constprop.0+0x4c/0x5c # [ 145.186739] lkdtm_REFCOUNT_DEC_SATURATED+0x44/0x74 # [ 145.191637] lkdtm_do_action+0x24/0x40 # [ 145.195402] direct_entry+0xd4/0x140 # [ 145.198995] full_proxy_write+0x6c/0xc0 # [ 145.202847] vfs_write+0xf0/0x210 # [ 145.206175] ksys_write+0x74/0x100 # [ 145.209591] __arm64_sys_write+0x28/0x34 # [ 145.213532] el0_svc_common.constprop.0+0x84/0x1e0 # [ 145.218341] do_el0_svc+0x30/0xa0 # [ 145.221670] el0_svc+0x20/0x30 # [ 145.224737] el0_sync_handler+0x1a4/0x1b0 # [ 145.228762] el0_sync+0x180/0x1c0 # [ 145.232088] irq event stamp: 0 # [ 145.235158] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 145.241450] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 # [ 145.249655] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 # [ 145.257857] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 145.264141] ---[ end trace 9c05f44cd6398029 ]--- # [ 145.269043] 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 [ 145.757654] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED [ 145.763863] lkdtm: attempting bad refcount_dec() from saturated [ 145.769887] ------------[ cut here ]------------ [ 145.774924] refcount_t: saturated; leaking memory. [ 145.779928] WARNING: CPU: 1 PID: 2615 at lib/refcount.c:22 refcount_warn_saturate+0x74/0x144 [ 145.788384] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 145.797857] CPU: 1 PID: 2615 Comm: cat Tainted: G D W 5.10.125-cip10 #1 [ 145.805616] Hardware name: ARM Juno development board (r0) (DT) [ 145.811550] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 145.817571] pc : refcount_warn_saturate+0x74/0x144 [ 145.822373] lr : refcount_warn_saturate+0x74/0x144 [ 145.827172] sp : ffff800016a23cd0 [ 145.830493] x29: ffff800016a23cd0 x28: ffff0008063e8000 [ 145.835826] x27: 0000000000000000 x26: 0000000000000000 [ 145.841158] x25: ffff800011550068 x24: ffff800016a23e20 [ 145.846490] x23: 0000000000000017 x22: ffff000802efe000 [ 145.851821] x21: ffff800011a6cae8 x20: ffff8000115503d8 [ 145.857153] x19: 0000000000000037 x18: 0000000000000000 [ 145.862484] x17: 0000000000000000 x16: 0000000000000000 [ 145.867815] x15: 0000000000000030 x14: ffffffffffffffff [ 145.873147] x13: ffff800096a23977 x12: ffff800016a2397f [ 145.878478] x11: 0000000000000000 x10: ffff800012668650 [ 145.883809] x9 : ffff800010133204 x8 : ffff800012610650 [ 145.889141] x7 : ffff800012668650 x6 : ffff8000125e1000 [ 145.894472] x5 : ffff8000125e1c88 x4 : ffff00097ef2cc50 [ 145.899803] x3 : 0000000000000000 x2 : 0000000000000000 [ 145.905134] x1 : 0000000000000000 x0 : ffff0008063e8000 [ 145.910466] Call trace: [ 145.912921] refcount_warn_saturate+0x74/0x144 [ 145.917377] __refcount_add.constprop.0+0x6c/0x80 [ 145.922094] lkdtm_REFCOUNT_ADD_SATURATED+0x48/0x78 [ 145.926984] lkdtm_do_action+0x24/0x40 [ 145.930742] direct_entry+0xd4/0x140 [ 145.934327] full_proxy_write+0x6c/0xc0 [ 145.938173] vfs_write+0xf0/0x210 [ 145.941494] ksys_write+0x74/0x100 [ 145.944902] __arm64_sys_write+0x28/0x34 [ 145.948836] el0_svc_common.constprop.0+0x84/0x1e0 [ 145.953638] do_el0_svc+0x30/0xa0 [ 145.956961] el0_svc+0x20/0x30 [ 145.960022] el0_sync_handler+0x1a4/0x1b0 [ 145.964039] el0_sync+0x180/0x1c0 [ 145.967359] irq event stamp: 0 [ 145.970422] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 145.976706] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 [ 145.984903] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 [ 145.993098] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 145.999377] ---[ end trace 9c05f44cd639802a ]--- [ 146.004073] lkdtm: Saturation detected: still saturated # [ 145.757654] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 145.763863] lkdtm: attempting bad refcount_dec() from saturated # [ 145.769887] ------------[ cut here ]------------ # [ 145.774924] refcount_t: saturated; leaking memory. # [ 145.779928] WARNING: CPU: 1 PID: 2615 at lib/refcount.c:22 refcount_warn_saturate+0x74/0x144 # [ 145.788384] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 145.797857] CPU: 1 PID: 2615 Comm: cat Tainted: G D W 5.10.125-cip10 #1 # [ 145.805616] Hardware name: ARM Juno development board (r0) (DT) # [ 145.811550] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 145.817571] pc : refcount_warn_saturate+0x74/0x144 # [ 145.822373] lr : refcount_warn_saturate+0x74/0x144 # [ 145.827172] sp : ffff800016a23cd0 # [ 145.830493] x29: ffff800016a23cd0 x28: ffff0008063e8000 # [ 145.835826] x27: 0000000000000000 x26: 0000000000000000 # [ 145.841158] x25: ffff800011550068 x24: ffff800016a23e20 # [ 145.846490] x23: 0000000000000017 x22: ffff000802efe000 # [ 145.851821] x21: ffff800011a6cae8 x20: ffff8000115503d8 # [ 145.857153] x19: 0000000000000037 x18: 0000000000000000 # [ 145.862484] x17: 0000000000000000 x16: 0000000000000000 # [ 145.867815] x15: 0000000000000030 x14: ffffffffffffffff # [ 145.873147] x13: ffff800096a23977 x12: ffff800016a2397f # [ 145.878478] x11: 0000000000000000 x10: ffff800012668650 # [ 145.883809] x9 : ffff800010133204 x8 : ffff800012610650 # [ 145.889141] x7 : ffff800012668650 x6 : ffff8000125e1000 # [ 145.894472] x5 : ffff8000125e1c88 x4 : ffff00097ef2cc50 # [ 145.899803] x3 : 0000000000000000 x2 : 0000000000000000 # [ 145.905134] x1 : 0000000000000000 x0 : ffff0008063e8000 # [ 145.910466] Call trace: # [ 145.912921] refcount_warn_saturate+0x74/0x144 # [ 145.917377] __refcount_add.constprop.0+0x6c/0x80 # [ 145.922094] lkdtm_REFCOUNT_ADD_SATURATED+0x48/0x78 # [ 145.926984] lkdtm_do_action+0x24/0x40 # [ 145.930742] direct_entry+0xd4/0x140 # [ 145.934327] full_proxy_write+0x6c/0xc0 # [ 145.938173] vfs_write+0xf0/0x210 # [ 145.941494] ksys_write+0x74/0x100 # [ 145.944902] __arm64_sys_write+0x28/0x34 # [ 145.948836] el0_svc_common.constprop.0+0x84/0x1e0 # [ 145.953638] do_el0_svc+0x30/0xa0 # [ 145.956961] el0_svc+0x20/0x30 # [ 145.960022] el0_sync_handler+0x1a4/0x1b0 # [ 145.964039] el0_sync+0x180/0x1c0 # [ 145.967359] irq event stamp: 0 # [ 145.970422] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 145.976706] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 # [ 145.984903] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 # [ 145.993098] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 145.999377] ---[ end trace 9c05f44cd639802a ]--- # [ 146.004073] lkdtm: Saturation detected: still saturated # REFCOUNT_ADD_SATURATED: saw 'Saturation detected: still saturated': ok ok 54 selftests: lkdtm: REFCOUNT_ADD_SATURATED.sh # selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_SATURATED.sh [ 146.484249] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED [ 146.491202] lkdtm: attempting bad refcount_inc_not_zero() from saturated [ 146.497987] ------------[ cut here ]------------ [ 146.502671] refcount_t: saturated; leaking memory. [ 146.507676] WARNING: CPU: 4 PID: 2647 at lib/refcount.c:19 refcount_warn_saturate+0xc8/0x144 [ 146.516138] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 146.525642] CPU: 4 PID: 2647 Comm: cat Tainted: G D W 5.10.125-cip10 #1 [ 146.533405] Hardware name: ARM Juno development board (r0) (DT) [ 146.539345] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 146.545374] pc : refcount_warn_saturate+0xc8/0x144 [ 146.550184] lr : refcount_warn_saturate+0xc8/0x144 [ 146.554989] sp : ffff800016ab3cb0 [ 146.558314] x29: ffff800016ab3cb0 x28: ffff000800803100 [ 146.563656] x27: 0000000000000000 x26: 0000000000000000 [ 146.568998] x25: ffff800011550068 x24: ffff800016ab3e20 [ 146.574339] x23: 0000000000000020 x22: ffff0008084ef000 [ 146.579681] x21: 0000000000000001 x20: 00000000c0000000 [ 146.585023] x19: ffff800016ab3d04 x18: 0000000000000000 [ 146.590365] x17: 0000000000000000 x16: 0000000000000000 [ 146.595706] x15: 0000000000000030 x14: ffffffffffffffff [ 146.601048] x13: ffff800096ab3957 x12: ffff800016ab395f [ 146.606390] x11: 0000000000000038 x10: 0000000000001440 [ 146.611732] x9 : ffff800010133204 x8 : ffff0008008045a0 [ 146.617073] x7 : 0000000000000000 x6 : ffff8000125e1000 [ 146.622415] x5 : ffff8000125e1c88 x4 : ffff00097ef92c50 [ 146.627756] x3 : 0000000000000000 x2 : 0000000000000000 [ 146.633097] x1 : 0000000000000000 x0 : ffff000800803100 [ 146.638439] Call trace: [ 146.640901] refcount_warn_saturate+0xc8/0x144 [ 146.645364] __refcount_add_not_zero.constprop.0+0x84/0xa0 [ 146.650869] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x4c/0x90 [ 146.656550] lkdtm_do_action+0x24/0x40 [ 146.660314] direct_entry+0xd4/0x140 [ 146.663907] full_proxy_write+0x6c/0xc0 [ 146.667759] vfs_write+0xf0/0x210 [ 146.671087] ksys_write+0x74/0x100 [ 146.674502] __arm64_sys_write+0x28/0x34 [ 146.678444] el0_svc_common.constprop.0+0x84/0x1e0 [ 146.683252] do_el0_svc+0x30/0xa0 [ 146.686581] el0_svc+0x20/0x30 [ 146.689648] el0_sync_handler+0x1a4/0x1b0 [ 146.693673] el0_sync+0x180/0x1c0 [ 146.696999] irq event stamp: 0 [ 146.700069] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 146.706360] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 [ 146.714564] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 [ 146.722766] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 146.729050] ---[ end trace 9c05f44cd639802b ]--- [ 146.733900] lkdtm: Saturation detected: still saturated # [ 146.484249] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 146.491202] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 146.497987] ------------[ cut here ]------------ # [ 146.502671] refcount_t: saturated; leaking memory. # [ 146.507676] WARNING: CPU: 4 PID: 2647 at lib/refcount.c:19 refcount_warn_saturate+0xc8/0x144 # [ 146.516138] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 146.525642] CPU: 4 PID: 2647 Comm: cat Tainted: G D W 5.10.125-cip10 #1 # [ 146.533405] Hardware name: ARM Juno development board (r0) (DT) # [ 146.539345] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 146.545374] pc : refcount_warn_saturate+0xc8/0x144 # [ 146.550184] lr : refcount_warn_saturate+0xc8/0x144 # [ 146.554989] sp : ffff800016ab3cb0 # [ 146.558314] x29: ffff800016ab3cb0 x28: ffff000800803100 # [ 146.563656] x27: 0000000000000000 x26: 0000000000000000 # [ 146.568998] x25: ffff800011550068 x24: ffff800016ab3e20 # [ 146.574339] x23: 0000000000000020 x22: ffff0008084ef000 # [ 146.579681] x21: 0000000000000001 x20: 00000000c0000000 # [ 146.585023] x19: ffff800016ab3d04 x18: 0000000000000000 # [ 146.590365] x17: 0000000000000000 x16: 0000000000000000 # [ 146.595706] x15: 0000000000000030 x14: ffffffffffffffff # [ 146.601048] x13: ffff800096ab3957 x12: ffff800016ab395f # [ 146.606390] x11: 0000000000000038 x10: 0000000000001440 # [ 146.611732] x9 : ffff800010133204 x8 : ffff0008008045a0 # [ 146.617073] x7 : 0000000000000000 x6 : ffff8000125e1000 # [ 146.622415] x5 : ffff8000125e1c88 x4 : ffff00097ef92c50 # [ 146.627756] x3 : 0000000000000000 x2 : 0000000000000000 # [ 146.633097] x1 : 0000000000000000 x0 : ffff000800803100 # [ 146.638439] Call trace: # [ 146.640901] refcount_warn_saturate+0xc8/0x144 # [ 146.645364] __refcount_add_not_zero.constprop.0+0x84/0xa0 # [ 146.650869] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x4c/0x90 # [ 146.656550] lkdtm_do_action+0x24/0x40 # [ 146.660314] direct_entry+0xd4/0x140 # [ 146.663907] full_proxy_write+0x6c/0xc0 # [ 146.667759] vfs_write+0xf0/0x210 # [ 146.671087] ksys_write+0x74/0x100 # [ 146.674502] __arm64_sys_write+0x28/0x34 # [ 146.678444] el0_svc_common.constprop.0+0x84/0x1e0 # [ 146.683252] do_el0_svc+0x30/0xa0 # [ 146.686581] el0_svc+0x20/0x30 # [ 146.689648] el0_sync_handler+0x1a4/0x1b0 # [ 146.693673] el0_sync+0x180/0x1c0 # [ 146.696999] irq event stamp: 0 # [ 146.700069] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 146.706360] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 # [ 146.714564] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 # [ 146.722766] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 146.729050] ---[ end trace 9c05f44cd639802b ]--- # [ 146.733900] lkdtm: Saturation detected: still saturated # REFCOUNT_INC_NOT_ZERO_SATURATED: saw 'call trace:': ok ok 55 selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_SATURATED.sh # selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_SATURATED.sh [ 147.222640] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED [ 147.229600] lkdtm: attempting bad refcount_add_not_zero() from saturated [ 147.236377] ------------[ cut here ]------------ [ 147.241060] refcount_t: saturated; leaking memory. [ 147.246057] WARNING: CPU: 3 PID: 2679 at lib/refcount.c:19 refcount_warn_saturate+0xc8/0x144 [ 147.254520] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 147.264029] CPU: 3 PID: 2679 Comm: cat Tainted: G D W 5.10.125-cip10 #1 [ 147.271793] Hardware name: ARM Juno development board (r0) (DT) [ 147.277733] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 147.283762] pc : refcount_warn_saturate+0xc8/0x144 [ 147.288572] lr : refcount_warn_saturate+0xc8/0x144 [ 147.293376] sp : ffff800016b5bcb0 [ 147.296701] x29: ffff800016b5bcb0 x28: ffff0008008f6200 [ 147.302044] x27: 0000000000000000 x26: 0000000000000000 [ 147.307386] x25: ffff800011550068 x24: ffff800016b5be20 [ 147.312727] x23: 0000000000000020 x22: ffff000803ef0000 [ 147.318069] x21: 0000000000000007 x20: 00000000c0000000 [ 147.323410] x19: ffff800016b5bd04 x18: 0000000000000000 [ 147.328752] x17: 0000000000000000 x16: 0000000000000000 [ 147.334093] x15: 0000000000000030 x14: ffffffffffffffff [ 147.339435] x13: ffff800096b5b957 x12: ffff800016b5b95f [ 147.344777] x11: 0000000000000038 x10: 0000000000001440 [ 147.350118] x9 : ffff800010133204 x8 : ffff0008008f76a0 [ 147.355460] x7 : 0000000000000000 x6 : ffff8000125e1000 [ 147.360802] x5 : ffff8000125e1c88 x4 : ffff00097ef70c50 [ 147.366143] x3 : 0000000000000000 x2 : 0000000000000000 [ 147.371485] x1 : 0000000000000000 x0 : ffff0008008f6200 [ 147.376826] Call trace: [ 147.379287] refcount_warn_saturate+0xc8/0x144 [ 147.383751] __refcount_add_not_zero.constprop.0+0x84/0xa0 [ 147.389256] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x4c/0x90 [ 147.394937] lkdtm_do_action+0x24/0x40 [ 147.398702] direct_entry+0xd4/0x140 [ 147.402294] full_proxy_write+0x6c/0xc0 [ 147.406146] vfs_write+0xf0/0x210 [ 147.409475] ksys_write+0x74/0x100 [ 147.412889] __arm64_sys_write+0x28/0x34 [ 147.416831] el0_svc_common.constprop.0+0x84/0x1e0 [ 147.421640] do_el0_svc+0x30/0xa0 [ 147.424969] el0_svc+0x20/0x30 [ 147.428036] el0_sync_handler+0x1a4/0x1b0 [ 147.432060] el0_sync+0x180/0x1c0 [ 147.435385] irq event stamp: 0 [ 147.438455] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 147.444747] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 [ 147.452952] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 [ 147.461153] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 147.467438] ---[ end trace 9c05f44cd639802c ]--- [ 147.472380] lkdtm: Saturation detected: still saturated # [ 147.222640] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 147.229600] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 147.236377] ------------[ cut here ]------------ # [ 147.241060] refcount_t: saturated; leaking memory. # [ 147.246057] WARNING: CPU: 3 PID: 2679 at lib/refcount.c:19 refcount_warn_saturate+0xc8/0x144 # [ 147.254520] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 147.264029] CPU: 3 PID: 2679 Comm: cat Tainted: G D W 5.10.125-cip10 #1 # [ 147.271793] Hardware name: ARM Juno development board (r0) (DT) # [ 147.277733] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 147.283762] pc : refcount_warn_saturate+0xc8/0x144 # [ 147.288572] lr : refcount_warn_saturate+0xc8/0x144 # [ 147.293376] sp : ffff800016b5bcb0 # [ 147.296701] x29: ffff800016b5bcb0 x28: ffff0008008f6200 # [ 147.302044] x27: 0000000000000000 x26: 0000000000000000 # [ 147.307386] x25: ffff800011550068 x24: ffff800016b5be20 # [ 147.312727] x23: 0000000000000020 x22: ffff000803ef0000 # [ 147.318069] x21: 0000000000000007 x20: 00000000c0000000 # [ 147.323410] x19: ffff800016b5bd04 x18: 0000000000000000 # [ 147.328752] x17: 0000000000000000 x16: 0000000000000000 # [ 147.334093] x15: 0000000000000030 x14: ffffffffffffffff # [ 147.339435] x13: ffff800096b5b957 x12: ffff800016b5b95f # [ 147.344777] x11: 0000000000000038 x10: 0000000000001440 # [ 147.350118] x9 : ffff800010133204 x8 : ffff0008008f76a0 # [ 147.355460] x7 : 0000000000000000 x6 : ffff8000125e1000 # [ 147.360802] x5 : ffff8000125e1c88 x4 : ffff00097ef70c50 # [ 147.366143] x3 : 0000000000000000 x2 : 0000000000000000 # [ 147.371485] x1 : 0000000000000000 x0 : ffff0008008f6200 # [ 147.376826] Call trace: # [ 147.379287] refcount_warn_saturate+0xc8/0x144 # [ 147.383751] __refcount_add_not_zero.constprop.0+0x84/0xa0 # [ 147.389256] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x4c/0x90 # [ 147.394937] lkdtm_do_action+0x24/0x40 # [ 147.398702] direct_entry+0xd4/0x140 # [ 147.402294] full_proxy_write+0x6c/0xc0 # [ 147.406146] vfs_write+0xf0/0x210 # [ 147.409475] ksys_write+0x74/0x100 # [ 147.412889] __arm64_sys_write+0x28/0x34 # [ 147.416831] el0_svc_common.constprop.0+0x84/0x1e0 # [ 147.421640] do_el0_svc+0x30/0xa0 # [ 147.424969] el0_svc+0x20/0x30 # [ 147.428036] el0_sync_handler+0x1a4/0x1b0 # [ 147.432060] el0_sync+0x180/0x1c0 # [ 147.435385] irq event stamp: 0 # [ 147.438455] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 147.444747] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 # [ 147.452952] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 # [ 147.461153] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 147.467438] ---[ end trace 9c05f44cd639802c ]--- # [ 147.472380] lkdtm: Saturation detected: still saturated # REFCOUNT_ADD_NOT_ZERO_SATURATED: saw 'call trace:': ok ok 56 selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_SATURATED.sh # selftests: lkdtm: REFCOUNT_DEC_AND_TEST_SATURATED.sh [ 148.015931] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED [ 148.022884] lkdtm: attempting bad refcount_dec_and_test() from saturated [ 148.029734] ------------[ cut here ]------------ [ 148.034451] refcount_t: underflow; use-after-free. [ 148.039714] WARNING: CPU: 1 PID: 2714 at lib/refcount.c:28 refcount_warn_saturate+0xf4/0x144 [ 148.048173] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 148.057647] CPU: 1 PID: 2714 Comm: cat Tainted: G D W 5.10.125-cip10 #1 [ 148.065405] Hardware name: ARM Juno development board (r0) (DT) [ 148.071339] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 148.077360] pc : refcount_warn_saturate+0xf4/0x144 [ 148.082162] lr : refcount_warn_saturate+0xf4/0x144 [ 148.086960] sp : ffff800016c0bcd0 [ 148.090280] x29: ffff800016c0bcd0 x28: ffff000803394980 [ 148.095614] x27: 0000000000000000 x26: 0000000000000000 [ 148.100946] x25: ffff800011550068 x24: ffff800016c0be20 [ 148.106278] x23: 0000000000000020 x22: ffff0008084fc000 [ 148.111610] x21: ffff800011a6cb40 x20: ffff800011550408 [ 148.116942] x19: 000000000000003a x18: 0000000000000000 [ 148.122274] x17: 0000000000000000 x16: 0000000000000000 [ 148.127604] x15: 0000000000000000 x14: ffff000800296200 [ 148.132936] x13: ffff80096d100000 x12: 0000000030d4d91d [ 148.138268] x11: 0000000000000000 x10: 0000000000001440 [ 148.143599] x9 : ffff800010133204 x8 : ffff000803395e20 [ 148.148931] x7 : ffff80096d100000 x6 : ffff8000125e1000 [ 148.154262] x5 : ffff8000125e1c88 x4 : ffff00097ef2cc50 [ 148.159594] x3 : 0000000000000000 x2 : 0000000000000000 [ 148.164925] x1 : 0000000000000000 x0 : ffff000803394980 [ 148.170256] Call trace: [ 148.172710] refcount_warn_saturate+0xf4/0x144 [ 148.177166] __refcount_sub_and_test.constprop.0+0x64/0x7c [ 148.182667] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x4c/0x90 [ 148.188339] lkdtm_do_action+0x24/0x40 [ 148.192097] direct_entry+0xd4/0x140 [ 148.195683] full_proxy_write+0x6c/0xc0 [ 148.199528] vfs_write+0xf0/0x210 [ 148.202850] ksys_write+0x74/0x100 [ 148.206258] __arm64_sys_write+0x28/0x34 [ 148.210192] el0_svc_common.constprop.0+0x84/0x1e0 [ 148.214993] do_el0_svc+0x30/0xa0 [ 148.218315] el0_svc+0x20/0x30 [ 148.221376] el0_sync_handler+0x1a4/0x1b0 [ 148.225394] el0_sync+0x180/0x1c0 [ 148.228714] irq event stamp: 0 [ 148.231777] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 148.238061] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 [ 148.246258] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 [ 148.254452] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 148.260731] ---[ end trace 9c05f44cd639802d ]--- [ 148.265422] lkdtm: Saturation detected: still saturated # [ 148.015931] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 148.022884] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 148.029734] ------------[ cut here ]------------ # [ 148.034451] refcount_t: underflow; use-after-free. # [ 148.039714] WARNING: CPU: 1 PID: 2714 at lib/refcount.c:28 refcount_warn_saturate+0xf4/0x144 # [ 148.048173] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 148.057647] CPU: 1 PID: 2714 Comm: cat Tainted: G D W 5.10.125-cip10 #1 # [ 148.065405] Hardware name: ARM Juno development board (r0) (DT) # [ 148.071339] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 148.077360] pc : refcount_warn_saturate+0xf4/0x144 # [ 148.082162] lr : refcount_warn_saturate+0xf4/0x144 # [ 148.086960] sp : ffff800016c0bcd0 # [ 148.090280] x29: ffff800016c0bcd0 x28: ffff000803394980 # [ 148.095614] x27: 0000000000000000 x26: 0000000000000000 # [ 148.100946] x25: ffff800011550068 x24: ffff800016c0be20 # [ 148.106278] x23: 0000000000000020 x22: ffff0008084fc000 # [ 148.111610] x21: ffff800011a6cb40 x20: ffff800011550408 # [ 148.116942] x19: 000000000000003a x18: 0000000000000000 # [ 148.122274] x17: 0000000000000000 x16: 0000000000000000 # [ 148.127604] x15: 0000000000000000 x14: ffff000800296200 # [ 148.132936] x13: ffff80096d100000 x12: 0000000030d4d91d # [ 148.138268] x11: 0000000000000000 x10: 0000000000001440 # [ 148.143599] x9 : ffff800010133204 x8 : ffff000803395e20 # [ 148.148931] x7 : ffff80096d100000 x6 : ffff8000125e1000 # [ 148.154262] x5 : ffff8000125e1c88 x4 : ffff00097ef2cc50 # [ 148.159594] x3 : 0000000000000000 x2 : 0000000000000000 # [ 148.164925] x1 : 0000000000000000 x0 : ffff000803394980 # [ 148.170256] Call trace: # [ 148.172710] refcount_warn_saturate+0xf4/0x144 # [ 148.177166] __refcount_sub_and_test.constprop.0+0x64/0x7c # [ 148.182667] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x4c/0x90 # [ 148.188339] lkdtm_do_action+0x24/0x40 # [ 148.192097] direct_entry+0xd4/0x140 # [ 148.195683] full_proxy_write+0x6c/0xc0 # [ 148.199528] vfs_write+0xf0/0x210 # [ 148.202850] ksys_write+0x74/0x100 # [ 148.206258] __arm64_sys_write+0x28/0x34 # [ 148.210192] el0_svc_common.constprop.0+0x84/0x1e0 # [ 148.214993] do_el0_svc+0x30/0xa0 # [ 148.218315] el0_svc+0x20/0x30 # [ 148.221376] el0_sync_handler+0x1a4/0x1b0 # [ 148.225394] el0_sync+0x180/0x1c0 # [ 148.228714] irq event stamp: 0 # [ 148.231777] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 148.238061] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 # [ 148.246258] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 # [ 148.254452] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 148.260731] ---[ end trace 9c05f44cd639802d ]--- # [ 148.265422] 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 [ 148.772503] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED [ 148.779565] lkdtm: attempting bad refcount_sub_and_test() from saturated [ 148.786430] ------------[ cut here ]------------ [ 148.791307] refcount_t: underflow; use-after-free. [ 148.796209] WARNING: CPU: 1 PID: 2749 at lib/refcount.c:28 refcount_warn_saturate+0xf4/0x144 [ 148.804664] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 148.814138] CPU: 1 PID: 2749 Comm: cat Tainted: G D W 5.10.125-cip10 #1 [ 148.821896] Hardware name: ARM Juno development board (r0) (DT) [ 148.827830] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 148.833851] pc : refcount_warn_saturate+0xf4/0x144 [ 148.838653] lr : refcount_warn_saturate+0xf4/0x144 [ 148.843451] sp : ffff800016cbbcd0 [ 148.846771] x29: ffff800016cbbcd0 x28: ffff000802888000 [ 148.852104] x27: 0000000000000000 x26: 0000000000000000 [ 148.857436] x25: ffff800011550068 x24: ffff800016cbbe20 [ 148.862767] x23: 0000000000000020 x22: ffff000802891000 [ 148.868099] x21: ffff800011a6cb60 x20: ffff800011550418 [ 148.873431] x19: 000000000000003b x18: 0000000000000000 [ 148.878762] x17: 0000000000000000 x16: 0000000000000000 [ 148.884093] x15: 0000000000000030 x14: ffffffffffffffff [ 148.889425] x13: ffff800096cbb977 x12: ffff800016cbb97f [ 148.894756] x11: 0000000000000000 x10: ffff800012668650 [ 148.900088] x9 : ffff800010133204 x8 : ffff800012610650 [ 148.905419] x7 : ffff800012668650 x6 : ffff8000125e1000 [ 148.910751] x5 : ffff8000125e1c88 x4 : ffff00097ef2cc50 [ 148.916082] x3 : 0000000000000000 x2 : 0000000000000000 [ 148.921413] x1 : 0000000000000000 x0 : ffff000802888000 [ 148.926745] Call trace: [ 148.929199] refcount_warn_saturate+0xf4/0x144 [ 148.933656] __refcount_sub_and_test.constprop.0+0x64/0x7c [ 148.939157] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x4c/0xc4 [ 148.944830] lkdtm_do_action+0x24/0x40 [ 148.948588] direct_entry+0xd4/0x140 [ 148.952173] full_proxy_write+0x6c/0xc0 [ 148.956019] vfs_write+0xf0/0x210 [ 148.959340] ksys_write+0x74/0x100 [ 148.962748] __arm64_sys_write+0x28/0x34 [ 148.966682] el0_svc_common.constprop.0+0x84/0x1e0 [ 148.971484] do_el0_svc+0x30/0xa0 [ 148.974806] el0_svc+0x20/0x30 [ 148.977867] el0_sync_handler+0x1a4/0x1b0 [ 148.981884] el0_sync+0x180/0x1c0 [ 148.985204] irq event stamp: 0 [ 148.988267] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 148.994551] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 [ 149.002749] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 [ 149.010944] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 149.017223] ---[ end trace 9c05f44cd639802e ]--- [ 149.021946] lkdtm: Saturation detected: still saturated # [ 148.772503] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 148.779565] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 148.786430] ------------[ cut here ]------------ # [ 148.791307] refcount_t: underflow; use-after-free. # [ 148.796209] WARNING: CPU: 1 PID: 2749 at lib/refcount.c:28 refcount_warn_saturate+0xf4/0x144 # [ 148.804664] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 148.814138] CPU: 1 PID: 2749 Comm: cat Tainted: G D W 5.10.125-cip10 #1 # [ 148.821896] Hardware name: ARM Juno development board (r0) (DT) # [ 148.827830] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 148.833851] pc : refcount_warn_saturate+0xf4/0x144 # [ 148.838653] lr : refcount_warn_saturate+0xf4/0x144 # [ 148.843451] sp : ffff800016cbbcd0 # [ 148.846771] x29: ffff800016cbbcd0 x28: ffff000802888000 # [ 148.852104] x27: 0000000000000000 x26: 0000000000000000 # [ 148.857436] x25: ffff800011550068 x24: ffff800016cbbe20 # [ 148.862767] x23: 0000000000000020 x22: ffff000802891000 # [ 148.868099] x21: ffff800011a6cb60 x20: ffff800011550418 # [ 148.873431] x19: 000000000000003b x18: 0000000000000000 # [ 148.878762] x17: 0000000000000000 x16: 0000000000000000 # [ 148.884093] x15: 0000000000000030 x14: ffffffffffffffff # [ 148.889425] x13: ffff800096cbb977 x12: ffff800016cbb97f # [ 148.894756] x11: 0000000000000000 x10: ffff800012668650 # [ 148.900088] x9 : ffff800010133204 x8 : ffff800012610650 # [ 148.905419] x7 : ffff800012668650 x6 : ffff8000125e1000 # [ 148.910751] x5 : ffff8000125e1c88 x4 : ffff00097ef2cc50 # [ 148.916082] x3 : 0000000000000000 x2 : 0000000000000000 # [ 148.921413] x1 : 0000000000000000 x0 : ffff000802888000 # [ 148.926745] Call trace: # [ 148.929199] refcount_warn_saturate+0xf4/0x144 # [ 148.933656] __refcount_sub_and_test.constprop.0+0x64/0x7c # [ 148.939157] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x4c/0xc4 # [ 148.944830] lkdtm_do_action+0x24/0x40 # [ 148.948588] direct_entry+0xd4/0x140 # [ 148.952173] full_proxy_write+0x6c/0xc0 # [ 148.956019] vfs_write+0xf0/0x210 # [ 148.959340] ksys_write+0x74/0x100 # [ 148.962748] __arm64_sys_write+0x28/0x34 # [ 148.966682] el0_svc_common.constprop.0+0x84/0x1e0 # [ 148.971484] do_el0_svc+0x30/0xa0 # [ 148.974806] el0_svc+0x20/0x30 # [ 148.977867] el0_sync_handler+0x1a4/0x1b0 # [ 148.981884] el0_sync+0x180/0x1c0 # [ 148.985204] irq event stamp: 0 # [ 148.988267] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 148.994551] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 # [ 149.002749] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 # [ 149.010944] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 149.017223] ---[ end trace 9c05f44cd639802e ]--- # [ 149.021946] 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 [ 149.966135] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO [ 149.972281] lkdtm: attempting good copy_to_user of correct size [ 149.978383] lkdtm: attempting bad copy_to_user of too large size # [ 149.966135] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 149.972281] lkdtm: attempting good copy_to_user of correct size # [ 149.978383] 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 [ 150.450584] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM [ 150.456872] lkdtm: attempting good copy_from_user of correct size [ 150.463065] lkdtm: attempting bad copy_from_user of too large size # [ 150.450584] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 150.456872] lkdtm: attempting good copy_from_user of correct size # [ 150.463065] 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 [ 150.939013] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO [ 150.945567] lkdtm: attempting good copy_to_user inside whitelist [ 150.951776] lkdtm: attempting bad copy_to_user outside whitelist # [ 150.939013] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 150.945567] lkdtm: attempting good copy_to_user inside whitelist # [ 150.951776] 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 [ 151.446924] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM [ 151.453662] lkdtm: attempting good copy_from_user inside whitelist [ 151.459939] lkdtm: attempting bad copy_from_user outside whitelist # [ 151.446924] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 151.453662] lkdtm: attempting good copy_from_user inside whitelist # [ 151.459939] 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 [ 151.962289] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO [ 151.968572] lkdtm: good_stack: ffff800017123cd8-ffff800017123cf8 [ 151.974654] lkdtm: bad_stack : ffff800017123c38-ffff800017123c58 [ 151.980749] lkdtm: attempting good copy_to_user of local stack [ 151.986826] lkdtm: attempting bad copy_to_user of distant stack # [ 151.962289] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 151.968572] lkdtm: good_stack: ffff800017123cd8-ffff800017123cf8 # [ 151.974654] lkdtm: bad_stack : ffff800017123c38-ffff800017123c58 # [ 151.980749] lkdtm: attempting good copy_to_user of local stack # [ 151.986826] 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 [ 152.469453] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM [ 152.476386] lkdtm: good_stack: ffff8000171c3cd8-ffff8000171c3cf8 [ 152.483264] lkdtm: bad_stack : ffff8000171c3c38-ffff8000171c3c58 [ 152.489383] lkdtm: attempting good copy_from_user of local stack [ 152.495484] lkdtm: attempting bad copy_from_user of distant stack # [ 152.469453] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 152.476386] lkdtm: good_stack: ffff8000171c3cd8-ffff8000171c3cf8 # [ 152.483264] lkdtm: bad_stack : ffff8000171c3c38-ffff8000171c3c58 # [ 152.489383] lkdtm: attempting good copy_from_user of local stack # [ 152.495484] 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 [ 152.991373] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND [ 152.997573] lkdtm: good_stack: ffff80001727bcd8-ffff80001727bcf8 [ 153.003666] lkdtm: bad_stack : ffff80001727bff8-ffff80001727c018 [ 153.009766] lkdtm: attempting good copy_to_user of local stack [ 153.015867] lkdtm: attempting bad copy_to_user of distant stack [ 153.021862] Unable to handle kernel paging request at virtual address ffff80001727c000 [ 153.029829] Mem abort info: [ 153.032653] ESR = 0x96000007 [ 153.035739] EC = 0x25: DABT (current EL), IL = 32 bits [ 153.041081] SET = 0, FnV = 0 [ 153.044160] EA = 0, S1PTW = 0 [ 153.047332] Data abort info: [ 153.050223] ISV = 0, ISS = 0x00000007 [ 153.054089] CM = 0, WnR = 0 [ 153.057089] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081e2a000 [ 153.063833] [ffff80001727c000] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=0000000886487003, pte=0000000000000000 [ 153.076473] Internal error: Oops: 96000007 [#16] PREEMPT SMP [ 153.082147] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 153.091628] CPU: 2 PID: 3043 Comm: cat Tainted: G D W 5.10.125-cip10 #1 [ 153.099393] Hardware name: ARM Juno development board (r0) (DT) [ 153.105333] pstate: 80000005 (Nzcv daif -PAN -UAO -TCO BTYPE=--) [ 153.111359] pc : __arch_copy_to_user+0xa4/0x310 [ 153.115901] lr : _copy_to_user+0x6c/0x94 [ 153.119830] sp : ffff80001727bc70 [ 153.123154] x29: ffff80001727bc70 x28: ffff00080288c980 [ 153.128489] x27: 0000000000000000 x26: 0000000000000000 [ 153.133825] x25: ffff800011550068 x24: ffff80001727be20 [ 153.139160] x23: 0000000000000016 x22: ffff000804f17000 [ 153.144492] x21: ffff80001727bff8 x20: 0000ffffbf3bb000 [ 153.149825] x19: 0000000000000020 x18: 0000000000000001 [ 153.155157] x17: 0000000000000000 x16: 0000000000000000 [ 153.160489] x15: ffff80001727bff8 x14: ffffffffffffffff [ 153.165821] x13: ffff80009727b987 x12: ffff80001727b990 [ 153.171153] x11: 0000000000100000 x10: ffff800012668650 [ 153.176484] x9 : ffff800010120fb0 x8 : ffff800012610650 [ 153.181815] x7 : ffff800012668650 x6 : 0000ffffbf3bb008 [ 153.187147] x5 : 0000ffffbf3bb020 x4 : 0000000000000008 [ 153.192478] x3 : 0000000000000010 x2 : 0000000000000018 [ 153.197810] x1 : ffff80001727c000 x0 : 0000ffffbf3bb000 [ 153.203141] Call trace: [ 153.205595] __arch_copy_to_user+0xa4/0x310 [ 153.209790] do_usercopy_stack+0x28c/0x294 [ 153.213896] lkdtm_USERCOPY_STACK_BEYOND+0x24/0x30 [ 153.218699] lkdtm_do_action+0x24/0x40 [ 153.222457] direct_entry+0xd4/0x140 [ 153.226043] full_proxy_write+0x6c/0xc0 [ 153.229889] vfs_write+0xf0/0x210 [ 153.233210] ksys_write+0x74/0x100 [ 153.236619] __arm64_sys_write+0x28/0x34 [ 153.240553] el0_svc_common.constprop.0+0x84/0x1e0 [ 153.245355] do_el0_svc+0x30/0xa0 [ 153.248677] el0_svc+0x20/0x30 [ 153.251738] el0_sync_handler+0x1a4/0x1b0 [ 153.255756] el0_sync+0x180/0x1c0 [ 153.259082] Code: a8c12027 a88120c7 d503201f d503201f (a8c12027) [ 153.265191] ---[ end trace 9c05f44cd639802f ]--- # Segmentation fault # [ 152.991373] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 152.997573] lkdtm: good_stack: ffff80001727bcd8-ffff80001727bcf8 # [ 153.003666] lkdtm: bad_stack : ffff80001727bff8-ffff80001727c018 # [ 153.009766] lkdtm: attempting good copy_to_user of local stack # [ 153.015867] lkdtm: attempting bad copy_to_user of distant stack # [ 153.021862] Unable to handle kernel paging request at virtual address ffff80001727c000 # [ 153.029829] Mem abort info: # [ 153.032653] ESR = 0x96000007 # [ 153.035739] EC = 0x25: DABT (current EL), IL = 32 bits # [ 153.041081] SET = 0, FnV = 0 # [ 153.044160] EA = 0, S1PTW = 0 # [ 153.047332] Data abort info: # [ 153.050223] ISV = 0, ISS = 0x00000007 # [ 153.054089] CM = 0, WnR = 0 # [ 153.057089] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081e2a000 # [ 153.063833] [ffff80001727c000] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=0000000886487003, pte=0000000000000000 # [ 153.076473] Internal error: Oops: 96000007 [#16] PREEMPT SMP # [ 153.082147] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 153.091628] CPU: 2 PID: 3043 Comm: cat Tainted: G D W 5.10.125-cip10 #1 # [ 153.099393] Hardware name: ARM Juno development board (r0) (DT) # [ 153.105333] pstate: 80000005 (Nzcv daif -PAN -UAO -TCO BTYPE=--) # [ 153.111359] pc : __arch_copy_to_user+0xa4/0x310 # [ 153.115901] lr : _copy_to_user+0x6c/0x94 # [ 153.119830] sp : ffff80001727bc70 # [ 153.123154] x29: ffff80001727bc70 x28: ffff00080288c980 # [ 153.128489] x27: 0000000000000000 x26: 0000000000000000 # [ 153.133825] x25: ffff800011550068 x24: ffff80001727be20 # [ 153.139160] x23: 0000000000000016 x22: ffff000804f17000 # [ 153.144492] x21: ffff80001727bff8 x20: 0000ffffbf3bb000 # [ 153.149825] x19: 0000000000000020 x18: 0000000000000001 # [ 153.155157] x17: 0000000000000000 x16: 0000000000000000 # [ 153.160489] x15: ffff80001727bff8 x14: ffffffffffffffff # [ 153.165821] x13: ffff80009727b987 x12: ffff80001727b990 # [ 153.171153] x11: 0000000000100000 x10: ffff800012668650 # [ 153.176484] x9 : ffff800010120fb0 x8 : ffff800012610650 # [ 153.181815] x7 : ffff800012668650 x6 : 0000ffffbf3bb008 # [ 153.187147] x5 : 0000ffffbf3bb020 x4 : 0000000000000008 # [ 153.192478] x3 : 0000000000000010 x2 : 0000000000000018 # [ 153.197810] x1 : ffff80001727c000 x0 : 0000ffffbf3bb000 # [ 153.203141] Call trace: # [ 153.205595] __arch_copy_to_user+0xa4/0x310 # [ 153.209790] do_usercopy_stack+0x28c/0x294 # [ 153.213896] lkdtm_USERCOPY_STACK_BEYOND+0x24/0x30 # [ 153.218699] lkdtm_do_action+0x24/0x40 # [ 153.222457] direct_entry+0xd4/0x140 # [ 153.226043] full_proxy_write+0x6c/0xc0 # [ 153.229889] vfs_write+0xf0/0x210 # [ 153.233210] ksys_write+0x74/0x100 # [ 153.236619] __arm64_sys_write+0x28/0x34 # [ 153.240553] el0_svc_common.constprop.0+0x84/0x1e0 # [ 153.245355] do_el0_svc+0x30/0xa0 # [ 153.248677] el0_svc+0x20/0x30 # [ 153.251738] el0_sync_handler+0x1a4/0x1b0 # [ 153.255756] el0_sync+0x180/0x1c0 # [ 153.259082] Code: a8c12027 a88120c7 d503201f d503201f (a8c12027) # [ 153.265191] ---[ end trace 9c05f44cd639802f ]--- # USERCOPY_STACK_BEYOND: saw 'call trace:': ok ok 67 selftests: lkdtm: USERCOPY_STACK_BEYOND.sh # selftests: lkdtm: USERCOPY_KERNEL.sh [ 153.760906] lkdtm: Performing direct entry USERCOPY_KERNEL [ 153.766504] lkdtm: attempting good copy_to_user from kernel rodata: ffff800011550570 [ 153.774497] lkdtm: attempting bad copy_to_user from kernel text: ffff8000102dc310 [ 153.782291] lkdtm: FAIL: survived bad copy_to_user() # [ 153.760906] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 153.766504] lkdtm: attempting good copy_to_user from kernel rodata: ffff800011550570 # [ 153.774497] lkdtm: attempting bad copy_to_user from kernel text: ffff8000102dc310 # [ 153.782291] 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 [ 154.284949] lkdtm: Performing direct entry STACKLEAK_ERASING [ 154.290702] lkdtm: checking unused part of the thread stack (15608 bytes)... [ 154.297949] lkdtm: FAIL: the erased part is not found (checked 15608 bytes) [ 154.305073] lkdtm: FAIL: the thread stack is NOT properly erased [ 154.311363] CPU: 0 PID: 3125 Comm: cat Tainted: G D W 5.10.125-cip10 #1 [ 154.319131] Hardware name: ARM Juno development board (r0) (DT) [ 154.325069] Call trace: [ 154.327534] dump_backtrace+0x0/0x1f0 [ 154.331213] show_stack+0x24/0x30 [ 154.334546] dump_stack+0xf8/0x168 [ 154.337965] lkdtm_STACKLEAK_ERASING+0x134/0x174 [ 154.342604] lkdtm_do_action+0x24/0x40 [ 154.346371] direct_entry+0xd4/0x140 [ 154.349966] full_proxy_write+0x6c/0xc0 [ 154.353821] vfs_write+0xf0/0x210 [ 154.357150] ksys_write+0x74/0x100 [ 154.360567] __arm64_sys_write+0x28/0x34 [ 154.364510] el0_svc_common.constprop.0+0x84/0x1e0 [ 154.369320] do_el0_svc+0x30/0xa0 [ 154.372651] el0_svc+0x20/0x30 [ 154.375720] el0_sync_handler+0x1a4/0x1b0 [ 154.379746] el0_sync+0x180/0x1c0 # [ 154.284949] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 154.290702] lkdtm: checking unused part of the thread stack (15608 bytes)... # [ 154.297949] lkdtm: FAIL: the erased part is not found (checked 15608 bytes) # [ 154.305073] lkdtm: FAIL: the thread stack is NOT properly erased # [ 154.311363] CPU: 0 PID: 3125 Comm: cat Tainted: G D W 5.10.125-cip10 #1 # [ 154.319131] Hardware name: ARM Juno development board (r0) (DT) # [ 154.325069] Call trace: # [ 154.327534] dump_backtrace+0x0/0x1f0 # [ 154.331213] show_stack+0x24/0x30 # [ 154.334546] dump_stack+0xf8/0x168 # [ 154.337965] lkdtm_STACKLEAK_ERASING+0x134/0x174 # [ 154.342604] lkdtm_do_action+0x24/0x40 # [ 154.346371] direct_entry+0xd4/0x140 # [ 154.349966] full_proxy_write+0x6c/0xc0 # [ 154.353821] vfs_write+0xf0/0x210 # [ 154.357150] ksys_write+0x74/0x100 # [ 154.360567] __arm64_sys_write+0x28/0x34 # [ 154.364510] el0_svc_common.constprop.0+0x84/0x1e0 # [ 154.369320] do_el0_svc+0x30/0xa0 # [ 154.372651] el0_svc+0x20/0x30 # [ 154.375720] el0_sync_handler+0x1a4/0x1b0 # [ 154.379746] el0_sync+0x180/0x1c0 # 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 [ 154.892999] lkdtm: Performing direct entry CFI_FORWARD_PROTO [ 154.898760] lkdtm: Calling matched prototype ... [ 154.903461] lkdtm: Calling mismatched prototype ... [ 154.908410] lkdtm: Fail: survived mismatched prototype function call! # [ 154.892999] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 154.898760] lkdtm: Calling matched prototype ... # [ 154.903461] lkdtm: Calling mismatched prototype ... # [ 154.908410] lkdtm: Fail: survived mismatched prototype function call! # CFI_FORWARD_PROTO: missing 'call trace:': [FAIL] not ok 70 selftests: lkdtm: CFI_FORWARD_PROTO.sh # exit=1 + ../../utils/send-to-lava.sh ./output/result.txt + set +x / #