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 : 02:44:01 Date : 05:07:2022 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 (3780 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 279770/tftp-deploy-abik1io4/kernel/uImage tftp 0x80200000 279770/tftp-deploy-abik1io4/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 '279770/tftp-deploy-abik1io4/kernel/uImage'. Load address: 0x80200000 Loading: *################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ###### 2 MiB/s done Bytes transferred = 43969088 (29eea40 hex) smc911x: MAC 00:02:f7:00:58:4d VExpress64# tftp 0x8fe00000 279770/tftp-deploy-abik1io4/ramdisk/ramdisk.cpio.gz.uboot tftp 0x8fe00000 279770/tftp-deploy-abik1io4/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 '279770/tftp-deploy-abik1io4/ramdisk/ramdisk.cpio.gz.uboot'. Load address: 0x8fe00000 Loading: *################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ############################################################# 1.4 MiB/s done Bytes transferred = 18061690 (113997a hex) smc911x: MAC 00:02:f7:00:58:4d VExpress64# setenv initrd_size ${filesize} setenv initrd_size ${filesize} VExpress64# tftp 0x8fc00000 279770/tftp-deploy-abik1io4/dtb/juno.dtb tftp 0x8fc00000 279770/tftp-deploy-abik1io4/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 '279770/tftp-deploy-abik1io4/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/279770/extract-nfsrootfs-zqpb7lsx,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/279770/extract-nfsrootfs-zqpb7lsx,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: 43969024 Bytes = 41.9 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: 18061626 Bytes = 17.2 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 5.10.126-cip11 (KernelCI@build-j303339-arm64-gcc-10-defconfig-kselftest-8dzgt) (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 Mon Jul 4 06:48:02 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 0x9fefda7c0-0x9fefdcfff] [ 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/279770/extract-nfsrootfs-zqpb7lsx,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: 8040876K/8372224K available (19072K kernel code, 4538K rwdata, 9448K rodata, 9792K init, 11274K bss, 298580K reserved, 32768K cma-reserved) [ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=6, Nodes=1 [ 0.000000] ftrace: allocating 58463 entries in 229 pages [ 0.000000] ftrace: allocated 229 pages with 5 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 [ 0.009649] Console: colour dummy device 80x25 [ 0.014267] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 0.022183] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 0.026393] ... MAX_LOCK_DEPTH: 48 [ 0.030691] ... MAX_LOCKDEP_KEYS: 8192 [ 0.035165] ... CLASSHASH_SIZE: 4096 [ 0.039638] ... MAX_LOCKDEP_ENTRIES: 32768 [ 0.044199] ... MAX_LOCKDEP_CHAINS: 65536 [ 0.048761] ... CHAINHASH_SIZE: 32768 [ 0.053323] memory used by lock dependency info: 6365 kB [ 0.058853] memory used for stack traces: 4224 kB [ 0.063766] per task-struct memory footprint: 1920 bytes [ 0.069522] Calibrating delay loop (skipped), value calculated using timer frequency.. 100.00 BogoMIPS (lpj=200000) [ 0.080201] pid_max: default: 32768 minimum: 301 [ 0.085393] LSM: Security Framework initializing [ 0.090226] LSM support for eBPF active [ 0.094383] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes, linear) [ 0.102166] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes, linear) [ 0.124782] rcu: Hierarchical SRCU implementation. [ 0.140791] EFI services will not be available. [ 0.147896] smp: Bringing up secondary CPUs ... [ 0.157179] CPU features: detected: ARM erratum 832075 [ 0.157188] CPU features: detected: ARM erratum 834220 [ 0.157195] CPU features: detected: EL2 vector hardening [ 0.157209] CPU features: detected: Spectre-v2 [ 0.157222] CPU features: detected: ARM errata 1165522, 1319367, or 1530923 [ 0.157230] CPU features: detected: Spectre-BHB [ 0.157239] Detected PIPT I-cache on CPU1 [ 0.157322] CPU1: Booted secondary processor 0x0000000000 [0x410fd070] [ 0.162224] Detected PIPT I-cache on CPU2 [ 0.162274] CPU2: Booted secondary processor 0x0000000001 [0x410fd070] [ 0.167129] Detected VIPT I-cache on CPU3 [ 0.167224] CPU3: Booted secondary processor 0x0000000101 [0x410fd030] [ 0.172220] Detected VIPT I-cache on CPU4 [ 0.172298] CPU4: Booted secondary processor 0x0000000102 [0x410fd030] [ 0.177282] Detected VIPT I-cache on CPU5 [ 0.177357] CPU5: Booted secondary processor 0x0000000103 [0x410fd030] [ 0.178398] smp: Brought up 1 node, 6 CPUs [ 0.269213] SMP: Total of 6 processors activated. [ 0.274119] CPU features: detected: 32-bit EL0 Support [ 0.279631] CPU features: detected: CRC32 instructions [ 0.284976] CPU features: detected: 32-bit EL1 Support [ 0.375556] CPU: All CPU(s) started at EL2 [ 0.380024] alternatives: patching kernel code [ 0.396212] devtmpfs: initialized [ 0.436258] KASLR disabled due to lack of seed [ 0.443756] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 7645041785100000 ns [ 0.453751] futex hash table entries: 2048 (order: 6, 262144 bytes, linear) [ 0.463099] pinctrl core: initialized pinctrl subsystem [ 0.474151] DMI not present or invalid. [ 0.480066] NET: Registered protocol family 16 [ 0.491505] DMA: preallocated 1024 KiB GFP_KERNEL pool for atomic allocations [ 0.499220] DMA: preallocated 1024 KiB GFP_KERNEL|GFP_DMA pool for atomic allocations [ 0.508856] DMA: preallocated 1024 KiB GFP_KERNEL|GFP_DMA32 pool for atomic allocations [ 0.517330] audit: initializing netlink subsys (disabled) [ 0.523652] audit: type=2000 audit(0.436:1): state=initialized audit_enabled=0 res=1 [ 0.527790] thermal_sys: Registered thermal governor 'step_wise' [ 0.531576] thermal_sys: Registered thermal governor 'power_allocator' [ 0.539112] cpuidle: using governor menu [ 0.550378] hw-breakpoint: found 6 breakpoint and 4 watchpoint registers. [ 0.557948] ASID allocator initialised with 65536 entries [ 0.568733] Serial: AMBA PL011 UART driver [ 0.680986] 7ff80000.serial: ttyAMA0 at MMIO 0x7ff80000 (irq = 38, base_baud = 0) is a PL011 rev3 [ 0.690150] printk: console [ttyAMA0] enabled [ 0.690150] printk: console [ttyAMA0] enabled [ 0.699017] printk: bootconsole [pl11] disabled [ 0.699017] printk: bootconsole [pl11] disabled [ 0.777699] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages [ 0.784514] HugeTLB registered 32.0 MiB page size, pre-allocated 0 pages [ 0.791286] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 0.798052] HugeTLB registered 64.0 KiB page size, pre-allocated 0 pages [ 0.813023] cryptd: max_cpu_qlen set to 1000 [ 0.831880] ACPI: Interpreter disabled. [ 0.844174] iommu: Default domain type: Translated [ 0.850237] vgaarb: loaded [ 0.854758] SCSI subsystem initialized [ 0.860487] usbcore: registered new interface driver usbfs [ 0.866308] usbcore: registered new interface driver hub [ 0.871889] usbcore: registered new device driver usb [ 0.882717] pps_core: LinuxPPS API ver. 1 registered [ 0.887790] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 0.897062] PTP clock support registered [ 0.901544] EDAC MC: Ver: 3.0.0 [ 0.910918] FPGA manager framework [ 0.914873] Advanced Linux Sound Architecture Driver Initialized. [ 0.924605] clocksource: Switched to clocksource arch_sys_counter [ 2.406373] VFS: Disk quotas dquot_6.6.0 [ 2.410588] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 2.418859] pnp: PnP ACPI: disabled [ 2.466896] NET: Registered protocol family 2 [ 2.472228] IP idents hash table entries: 131072 (order: 8, 1048576 bytes, linear) [ 2.485608] tcp_listen_portaddr_hash hash table entries: 4096 (order: 6, 327680 bytes, linear) [ 2.495596] TCP established hash table entries: 65536 (order: 7, 524288 bytes, linear) [ 2.507409] TCP bind hash table entries: 65536 (order: 10, 4718592 bytes, vmalloc) [ 2.530391] TCP: Hash tables configured (established 65536 bind 65536) [ 2.538406] MPTCP token hash table entries: 8192 (order: 7, 720896 bytes, linear) [ 2.548243] UDP hash table entries: 4096 (order: 7, 655360 bytes, linear) [ 2.557304] UDP-Lite hash table entries: 4096 (order: 7, 655360 bytes, linear) [ 2.567079] NET: Registered protocol family 1 [ 2.574323] RPC: Registered named UNIX socket transport module. [ 2.580400] RPC: Registered udp transport module. [ 2.585185] RPC: Registered tcp transport module. [ 2.589968] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 2.596505] NET: Registered protocol family 44 [ 2.601049] PCI: CLS 0 bytes, default 64 [ 2.606018] Unpacking initramfs... [ 4.440946] Freeing initrd memory: 17632K [ 4.449113] hw perfevents: enabled with armv8_cortex_a57 PMU driver, 7 counters available [ 4.459789] hw perfevents: enabled with armv8_cortex_a53 PMU driver, 7 counters available [ 4.468232] kvm [1]: Guests without required CPU erratum workarounds can deadlock system! [ 4.468232] Only trusted guests should be used on this system. [ 4.482393] kvm [1]: IPA Size Limit: 40 bits [ 4.502089] kvm [1]: vgic interrupt IRQ9 [ 4.506965] kvm [1]: Hyp mode initialized successfully [ 4.539171] Initialise system trusted keyrings [ 4.544694] workingset: timestamp_bits=42 max_order=21 bucket_order=0 [ 4.609836] squashfs: version 4.0 (2009/01/31) Phillip Lougher [ 4.619213] NFS: Registering the id_resolver key type [ 4.624496] Key type id_resolver registered [ 4.628791] Key type id_legacy registered [ 4.633488] nfs4filelayout_init: NFSv4 File Layout Driver Registering... [ 4.640301] nfs4flexfilelayout_init: NFSv4 Flexfile Layout Driver Registering... [ 4.648453] 9p: Installing v9fs 9p2000 file system support [ 4.704333] Key type asymmetric registered [ 4.708612] Asymmetric key parser 'x509' registered [ 4.713697] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 245) [ 4.721198] io scheduler mq-deadline registered [ 4.725801] io scheduler kyber registered [ 4.730604] test_firmware: interface ready [ 4.767582] pl061_gpio 1c1d0000.gpio: PL061 GPIO chip registered [ 4.786220] EINJ: ACPI disabled. [ 4.815174] dma-pl330 7ff00000.dma: Loaded driver for PL330 DMAC-341330 [ 4.821879] dma-pl330 7ff00000.dma: DBUFF-1024x16bytes Num_Chans-8 Num_Peri-8 Num_Events-8 [ 4.869200] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 4.887088] SuperH (H)SCI(F) driver initialized [ 4.893399] msm_serial: driver initialized [ 4.902249] arm-smmu 7fb10000.iommu: probing hardware configuration... [ 4.908872] arm-smmu 7fb10000.iommu: SMMUv1 with: [ 4.913657] arm-smmu 7fb10000.iommu: stage 2 translation [ 4.919261] arm-smmu 7fb10000.iommu: non-coherent table walk [ 4.925094] arm-smmu 7fb10000.iommu: (IDR0.CTTW overridden by FW configuration) [ 4.932615] arm-smmu 7fb10000.iommu: stream matching with 2 register groups [ 4.939756] arm-smmu 7fb10000.iommu: 1 context banks (1 stage-2 only) [ 4.946375] arm-smmu 7fb10000.iommu: Supported page sizes: 0x60211000 [ 4.952985] arm-smmu 7fb10000.iommu: Stage-2: 40-bit IPA -> 40-bit PA [ 4.961201] arm-smmu 7fb20000.iommu: probing hardware configuration... [ 4.967819] arm-smmu 7fb20000.iommu: SMMUv1 with: [ 4.972600] arm-smmu 7fb20000.iommu: stage 2 translation [ 4.978099] arm-smmu 7fb20000.iommu: non-coherent table walk [ 4.983924] arm-smmu 7fb20000.iommu: (IDR0.CTTW overridden by FW configuration) [ 4.991410] arm-smmu 7fb20000.iommu: stream matching with 2 register groups [ 4.998553] arm-smmu 7fb20000.iommu: 1 context banks (1 stage-2 only) [ 5.005181] arm-smmu 7fb20000.iommu: Supported page sizes: 0x60211000 [ 5.011791] arm-smmu 7fb20000.iommu: Stage-2: 40-bit IPA -> 40-bit PA [ 5.019358] arm-smmu 7fb30000.iommu: probing hardware configuration... [ 5.025976] arm-smmu 7fb30000.iommu: SMMUv1 with: [ 5.030758] arm-smmu 7fb30000.iommu: stage 2 translation [ 5.036238] arm-smmu 7fb30000.iommu: coherent table walk [ 5.041742] arm-smmu 7fb30000.iommu: stream matching with 2 register groups [ 5.048898] arm-smmu 7fb30000.iommu: 1 context banks (1 stage-2 only) [ 5.055517] arm-smmu 7fb30000.iommu: Supported page sizes: 0x60211000 [ 5.062126] arm-smmu 7fb30000.iommu: Stage-2: 40-bit IPA -> 40-bit PA [ 5.135742] loop: module loaded [ 5.141786] lkdtm: No crash points registered, enable through debugfs [ 5.152139] megasas: 07.714.04.00-rc1 [ 5.181988] thunder_xcv, ver 1.0 [ 5.185494] thunder_bgx, ver 1.0 [ 5.188979] nicpf, ver 1.0 [ 5.196027] hclge is initializing [ 5.199537] hns3: Hisilicon Ethernet Network Driver for Hip08 Family - version [ 5.206848] hns3: Copyright (c) 2017 Huawei Corporation. [ 5.212433] e1000: Intel(R) PRO/1000 Network Driver [ 5.217389] e1000: Copyright (c) 1999-2006 Intel Corporation. [ 5.223403] e1000e: Intel(R) PRO/1000 Network Driver [ 5.228444] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. [ 5.234654] igb: Intel(R) Gigabit Ethernet Network Driver [ 5.240148] igb: Copyright (c) 2007-2014 Intel Corporation. [ 5.245942] igbvf: Intel(R) Gigabit Virtual Function Network Driver [ 5.252290] igbvf: Copyright (c) 2009 - 2012 Intel Corporation. [ 5.259490] sky2: driver version 1.30 [ 5.329679] smsc911x 18000000.ethernet eth0: MAC Address: 00:02:f7:00:58:4d [ 5.341179] VFIO - User Level meta-driver version: 0.3 [ 5.353411] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 5.360088] ehci-pci: EHCI PCI platform driver [ 5.364732] ehci-platform: EHCI generic platform driver [ 5.370738] ehci-platform 7ffc0000.usb: Adding to iommu group 0 [ 5.377663] ehci-platform 7ffc0000.usb: EHCI Host Controller [ 5.383613] ehci-platform 7ffc0000.usb: new USB bus registered, assigned bus number 1 [ 5.392135] ehci-platform 7ffc0000.usb: irq 41, io mem 0x7ffc0000 [ 5.412676] ehci-platform 7ffc0000.usb: USB 2.0 started, EHCI 1.00 [ 5.423383] hub 1-0:1.0: USB hub found [ 5.427454] hub 1-0:1.0: 1 port detected [ 5.433688] ehci-orion: EHCI orion driver [ 5.438191] ehci-exynos: EHCI Exynos driver [ 5.442803] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 5.449159] ohci-pci: OHCI PCI platform driver [ 5.453911] ohci-platform: OHCI generic platform driver [ 5.459765] ohci-platform 7ffb0000.usb: Adding to iommu group 0 [ 5.466157] ohci-platform 7ffb0000.usb: Generic Platform OHCI controller [ 5.473001] ohci-platform 7ffb0000.usb: new USB bus registered, assigned bus number 2 [ 5.481413] ohci-platform 7ffb0000.usb: irq 40, io mem 0x7ffb0000 [ 5.567794] hub 2-0:1.0: USB hub found [ 5.571778] hub 2-0:1.0: 1 port detected [ 5.577606] ohci-exynos: OHCI Exynos driver [ 5.583429] usbcore: registered new interface driver usb-storage [ 5.603449] rtc-pl031 1c170000.rtc: registered as rtc0 [ 5.608815] rtc-pl031 1c170000.rtc: setting system clock to 2022-07-05T02:46:47 UTC (1656989207) [ 5.619912] i2c /dev entries driver [ 5.639381] sp805-wdt 1c0f0000.wdt: registration successful [ 5.662467] mmci-pl18x 1c050000.mmci: mmc0: PL180 manf 41 rev0 at 0x1c050000 irq 16,0 (pio) [ 5.684789] usb 1-1: new high-speed USB device number 2 using ehci-platform [ 5.698484] sdhci: Secure Digital Host Controller Interface driver [ 5.705109] sdhci: Copyright(c) Pierre Ossman [ 5.711654] Synopsys Designware Multimedia Card Interface Driver [ 5.722021] sdhci-pltfm: SDHCI platform and OF driver helper [ 5.733682] leds-syscon 1c010000.apbregs:led0: registered LED (null) [ 5.741250] leds-syscon 1c010000.apbregs:led1: registered LED (null) [ 5.748451] leds-syscon 1c010000.apbregs:led2: registered LED (null) [ 5.755821] leds-syscon 1c010000.apbregs:led3: registered LED (null) [ 5.763270] leds-syscon 1c010000.apbregs:led4: registered LED (null) [ 5.770475] leds-syscon 1c010000.apbregs:led5: registered LED (null) [ 5.777676] leds-syscon 1c010000.apbregs:led6: registered LED (null) [ 5.784920] leds-syscon 1c010000.apbregs:led7: registered LED (null) [ 5.794389] ledtrig-cpu: registered to indicate activity on CPUs [ 5.807079] usbcore: registered new interface driver usbhid [ 5.812729] usbhid: USB HID core driver [ 5.820635] mhu 2b1f0000.mhu: ARM MHU Mailbox registered [ 5.843407] netem: version 1.3 [ 5.846742] ipip: IPv4 and MPLS over IPv4 tunneling driver [ 5.854733] gre: GRE over IPv4 demultiplexor driver [ 5.855744] hub 1-1:1.0: USB hub found [ 5.859741] ip_gre: GRE over IPv4 tunneling driver [ 5.865350] IPv4 over IPsec tunneling driver [ 5.869389] hub 1-1:1.0: 4 ports detected [ 5.878278] NET: Registered protocol family 10 [ 5.889026] Segment Routing with IPv6 [ 5.897042] ip6_gre: GRE over IPv6 tunneling driver [ 5.903998] NET: Registered protocol family 17 [ 5.910357] 9pnet: Installing 9P2000 support [ 5.915019] Key type dns_resolver registered [ 5.920884] registered taskstats version 1 [ 5.925264] Loading compiled-in X.509 certificates [ 5.984764] scpi_protocol scpi: incorrect or no SCP firmware found [ 5.991278] scpi_protocol: probe of scpi failed with error -110 [ 6.001545] arm-smmu 2b600000.iommu: deferred probe timeout, ignoring dependency [ 6.009074] arm-smmu: probe of 2b600000.iommu failed with error -110 [ 6.022773] input: gpio-keys as /devices/platform/gpio-keys/input/input1 [ 6.612722] atkbd serio0: keyboard reset failed on 1c060000.kmi [ 6.840823] 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) [ 6.868673] smsc911x 18000000.ethernet eth0: SMSC911x/921x identified at 0xffff800014240000, IRQ: 15 [ 6.878438] IP-Config: Failed to open gretap0 [ 6.882892] IP-Config: Failed to open erspan0 [ 6.904736] Sending DHCP requests . [ 7.860666] atkbd serio1: keyboard reset failed on 1c070000.kmi [ 8.917872] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready [ 9.068744] . [ 10.804750] amba 20010000.etf: deferred probe timeout, ignoring dependency [ 10.813428] amba 20030000.tpiu: deferred probe timeout, ignoring dependency [ 10.820543] amba 20040000.funnel: deferred probe timeout, ignoring dependency [ 10.827865] amba 20070000.etr: deferred probe timeout, ignoring dependency [ 10.834890] amba 20100000.stm: deferred probe timeout, ignoring dependency [ 10.841916] amba 20120000.replicator: deferred probe timeout, ignoring dependency [ 10.849577] amba 22010000.cpu-debug: deferred probe timeout, ignoring dependency [ 10.857123] amba 22040000.etm: deferred probe timeout, ignoring dependency [ 10.864146] amba 220c0000.funnel: deferred probe timeout, ignoring dependency [ 10.871451] amba 22110000.cpu-debug: deferred probe timeout, ignoring dependency [ 10.878998] amba 22140000.etm: deferred probe timeout, ignoring dependency [ 10.886022] amba 23010000.cpu-debug: deferred probe timeout, ignoring dependency [ 10.893568] amba 23040000.etm: deferred probe timeout, ignoring dependency [ 10.900627] amba 230c0000.funnel: deferred probe timeout, ignoring dependency [ 10.907910] amba 23110000.cpu-debug: deferred probe timeout, ignoring dependency [ 10.915455] amba 23140000.etm: deferred probe timeout, ignoring dependency [ 10.922477] amba 23210000.cpu-debug: deferred probe timeout, ignoring dependency [ 10.930040] amba 23240000.etm: deferred probe timeout, ignoring dependency [ 10.937064] amba 23310000.cpu-debug: deferred probe timeout, ignoring dependency [ 10.944644] amba 23340000.etm: deferred probe timeout, ignoring dependency [ 12.852713] ., OK [ 12.903030] IP-Config: Got DHCP answer from 192.168.56.254, my address is 192.168.56.208 [ 12.911280] IP-Config: Complete: [ 12.914623] device=eth0, hwaddr=00:02:f7:00:58:4d, ipaddr=192.168.56.208, mask=255.255.255.0, gw=192.168.56.254 [ 12.925269] host=192.168.56.208, domain=mayfield.sirena.org.uk, nis-domain=(none) [ 12.933305] bootserver=192.168.56.254, rootserver=192.168.56.230, rootpath= [ 12.933337] nameserver0=192.168.56.254 [ 12.945139] ntpserver0=50.205.244.22, ntpserver1=85.199.214.99 [ 12.953049] ALSA device list: [ 12.956150] No soundcards found. [ 12.960498] uart-pl011 7ff80000.serial: no DMA platform data [ 13.009643] Freeing unused kernel memory: 9792K [ 13.014641] Run /init as init process Loading, please wait... Starting version 247.3-7 [ 14.569598] 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 [ 14.702952] psmouse serio0: Failed to enable mouse on 1c060000.kmi [ 15.906174] tda998x 0-0070: found TDA19988 [ 16.062694] 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: gretap0 hardware address 00:00:00:00:00:00 mtu 1462 DHCP SIOCSIFFLAGS: Cannot assign requested address 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: 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. [ 19.980057] 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) [ 20.008052] systemd[1]: Detected architecture arm64. Welcome to [1mDebian GNU/Linux 11 (bullseye)[0m! [ 20.074140] systemd[1]: Set hostname to . [ 21.211843] 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 [ 21.339822] psmouse serio1: Failed to enable mouse on 1c070000.kmi [ 21.921757] systemd[1]: Queued start job for default target Graphical Interface. [ 21.934585] random: systemd: uninitialized urandom read (16 bytes read) [ 21.959593] systemd[1]: Created slice system-getty.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-getty.slice[0m. [ 21.981216] random: systemd: uninitialized urandom read (16 bytes read) [ 21.994450] systemd[1]: Created slice system-modprobe.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-modprobe.slice[0m. [ 22.017149] random: systemd: uninitialized urandom read (16 bytes read) [ 22.032730] systemd[1]: Created slice system-serial\x2dgetty.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-serial\x2dgetty.slice[0m. [ 22.058784] systemd[1]: Created slice User and Session Slice. [[0;32m OK [0m] Created slice [0;1;39mUser and Session Slice[0m. [ 22.083152] 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. [ 22.110356] 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. [ 22.133422] systemd[1]: Condition check resulted in Arbitrary Executable File Formats File System Automount Point being skipped. [ 22.145582] systemd[1]: Reached target Local Encrypted Volumes. [[0;32m OK [0m] Reached target [0;1;39mLocal Encrypted Volumes[0m. [ 22.165153] systemd[1]: Reached target Paths. [[0;32m OK [0m] Reached target [0;1;39mPaths[0m. [ 22.185217] systemd[1]: Reached target Remote File Systems. [[0;32m OK [0m] Reached target [0;1;39mRemote File Systems[0m. [ 22.205210] systemd[1]: Reached target Slices. [[0;32m OK [0m] Reached target [0;1;39mSlices[0m. [ 22.225216] systemd[1]: Reached target Swap. [[0;32m OK [0m] Reached target [0;1;39mSwap[0m. [ 22.246686] systemd[1]: Listening on initctl Compatibility Named Pipe. [[0;32m OK [0m] Listening on [0;1;39minitctl Compatibility Named Pipe[0m. [ 22.273254] systemd[1]: Listening on Journal Audit Socket. [[0;32m OK [0m] Listening on [0;1;39mJournal Audit Socket[0m. [ 22.297045] systemd[1]: Listening on Journal Socket (/dev/log). [[0;32m OK [0m] Listening on [0;1;39mJournal Socket (/dev/log)[0m. [ 22.319846] systemd[1]: Listening on Journal Socket. [[0;32m OK [0m] Listening on [0;1;39mJournal Socket[0m. [ 22.340915] systemd[1]: Listening on Network Service Netlink Socket. [[0;32m OK [0m] Listening on [0;1;39mNetwork Service Netlink Socket[0m. [ 22.367968] systemd[1]: Listening on udev Control Socket. [[0;32m OK [0m] Listening on [0;1;39mudev Control Socket[0m. [ 22.391337] systemd[1]: Listening on udev Kernel Socket. [[0;32m OK [0m] Listening on [0;1;39mudev Kernel Socket[0m. [ 22.434096] systemd[1]: Mounting Huge Pages File System... Mounting [0;1;39mHuge Pages File System[0m... [ 22.473410] systemd[1]: Mounting POSIX Message Queue File System... Mounting [0;1;39mPOSIX Message Queue File System[0m... [ 22.514400] systemd[1]: Mounting Kernel Debug File System... Mounting [0;1;39mKernel Debug File System[0m... [ 22.553971] systemd[1]: Mounting Kernel Trace File System... Mounting [0;1;39mKernel Trace File System[0m... [ 22.614130] 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... [ 22.665563] systemd[1]: Starting Load Kernel Module configfs... Starting [0;1;39mLoad Kernel Module configfs[0m... [ 22.710631] systemd[1]: Starting Load Kernel Module drm... Starting [0;1;39mLoad Kernel Module drm[0m... [ 22.749824] systemd[1]: Starting Load Kernel Module fuse... Starting [0;1;39mLoad Kernel Module fuse[0m... [ 22.778850] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped. [ 22.821412] systemd[1]: Starting Journal Service... Starting [0;1;39mJournal Service[0m... [ 22.876667] fuse: init (API version 7.32) [ 22.898197] systemd[1]: Starting Load Kernel Modules... Starting [0;1;39mLoad Kernel Modules[0m... [ 22.945949] systemd[1]: Starting Remount Root and Kernel File Systems... Starting [0;1;39mRemount Root and Kernel File Systems[0m... [ 22.969894] urandom_read_iter: 26 callbacks suppressed [ 22.969906] random: systemd: uninitialized urandom read (16 bytes read) [ 23.001448] systemd[1]: Starting Coldplug All udev Devices... Starting [0;1;39mColdplug All udev Devices[0m... [ 23.049470] systemd[1]: Mounted Huge Pages File System. [[0;32m OK [0m] Mounted [0;1;39mHuge Pages File System[0m. [ 23.075172] systemd[1]: Mounted POSIX Message Queue File System. [[0;32m OK [0m] Mounted [0;1;39mPOSIX Message Queue File System[0m. [ 23.100651] systemd[1]: Mounted Kernel Debug File System. [[0;32m OK [0m] Mounted [0;1;39mKernel Debug File System[0m. [ 23.124977] systemd[1]: Mounted Kernel Trace File System. [[0;32m OK [0m] Mounted [0;1;39mKernel Trace File System[0m. [ 23.145258] random: systemd-journal: uninitialized urandom read (16 bytes read) [ 23.168287] systemd[1]: Finished Create list of static device nodes for the current kernel. [[0;32m OK [0m] Finished [0;1;39mCreate list of st… nodes for the current kernel[0m. [ 23.202366] systemd[1]: modprobe@configfs.service: Succeeded. [ 23.218806] systemd[1]: Finished Load Kernel Module configfs. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Module configfs[0m. [ 23.254001] systemd[1]: modprobe@drm.service: Succeeded. [ 23.268115] systemd[1]: Finished Load Kernel Module drm. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Module drm[0m. [ 23.297270] systemd[1]: modprobe@fuse.service: Succeeded. [ 23.313315] systemd[1]: Finished Load Kernel Module fuse. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Module fuse[0m. [ 23.344833] systemd[1]: Finished Load Kernel Modules. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Modules[0m. [ 23.374471] systemd[1]: Finished Remount Root and Kernel File Systems. [[0;32m OK [0m] Finished [0;1;39mRemount Root and Kernel File Systems[0m. [ 23.404021] random: systemd: uninitialized urandom read (16 bytes read) [ 23.441003] systemd[1]: Mounting FUSE Control File System... Mounting [0;1;39mFUSE Control File System[0m... [ 23.492947] systemd[1]: Mounting Kernel Configuration File System... Mounting [0;1;39mKernel Configuration File System[0m... [ 23.530807] systemd[1]: Condition check resulted in Rebuild Hardware Database being skipped. [ 23.540882] systemd[1]: Condition check resulted in Platform Persistent Storage Archival being skipped. [ 23.581389] systemd[1]: Starting Load/Save Random Seed... Starting [0;1;39mLoad/Save Random Seed[0m... [ 23.628234] systemd[1]: Starting Apply Kernel Variables... Starting [0;1;39mApply Kernel Variables[0m... [ 23.671678] systemd[1]: Starting Create System Users... Starting [0;1;39mCreate System Users[0m... [ 23.703235] 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. [ 23.995034] systemd-journald[227]: Received client request to flush runtime journal. [ 24.020206] urandom_read_iter: 22 callbacks suppressed [ 24.020224] random: systemd-journal: uninitialized urandom read (16 bytes read) [[0;32m OK [0m] Finished [0;1;39mCreate System Users[0m. [ 24.116208] random: systemd: uninitialized urandom read (16 bytes read) Starting [0;1;39mCreate Static Device Nodes in /dev[0m... [ 25.421060] 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] Started [0;1;39mUser Login Management[0m. [[0;32m OK [0m] Finished [0;1;39mRemove Stale Onli…ext4 Metadata Check Snapshots[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 5.10.126-cip11 #1 SMP PREEMPT Mon Jul 4 06:48:02 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/279770/extract-nfsrootfs-zqpb7lsx' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/279770/extract-nfsrootfs-zqpb7lsx' / # 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-279770/environment . /lava-279770/environment / # /lava-279770/bin/lava-test-runner /lava-279770/0 /lava-279770/bin/lava-test-runner /lava-279770/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-279770/0/tests/0_timesync-off ++ cat uuid + UUID=279770_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-279770/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=279770_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/v5.10.126-cip11/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-279770/0/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. --2022-07-05 02:48:16-- http://storage.kernelci.org/cip/linux-5.10.y-cip/v5.10.126-cip11/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: 1743500 (1.7M) [application/octet-stream] Saving to: 'kselftest.tar.xz' kselftest.tar.xz 0%[ ] 0 --.-KB/s kselftest.tar.xz 2%[ ] 36.50K 112KB/s kselftest.tar.xz 5%[> ] 96.82K 149KB/s kselftest.tar.xz 8%[> ] 138.31K 135KB/s kselftest.tar.xz 10%[=> ] 177.90K 139KB/s kselftest.tar.xz 12%[=> ] 207.60K 137KB/s kselftest.tar.xz 13%[=> ] 235.88K 134KB/s kselftest.tar.xz 15%[==> ] 268.40K 135KB/s kselftest.tar.xz 17%[==> ] 298.10K 133KB/s kselftest.tar.xz 19%[==> ] 332.03K 134KB/s kselftest.tar.xz 20%[===> ] 357.49K 132KB/s kselftest.tar.xz 22%[===> ] 387.18K 134KB/s kselftest.tar.xz 24%[===> ] 416.88K 134KB/s eta 10s kselftest.tar.xz 26%[====> ] 445.16K 134KB/s eta 10s kselftest.tar.xz 28%[====> ] 480.51K 137KB/s eta 10s kselftest.tar.xz 30%[=====> ] 518.69K 145KB/s eta 10s kselftest.tar.xz 32%[=====> ] 549.80K 136KB/s eta 10s kselftest.tar.xz 34%[=====> ] 586.57K 138KB/s eta 8s kselftest.tar.xz 36%[======> ] 627.57K 141KB/s eta 8s kselftest.tar.xz 39%[======> ] 664.34K 145KB/s eta 8s kselftest.tar.xz 41%[=======> ] 706.76K 151KB/s eta 8s kselftest.tar.xz 44%[=======> ] 749.18K 157KB/s eta 8s kselftest.tar.xz 46%[========> ] 790.19K 160KB/s eta 6s kselftest.tar.xz 48%[========> ] 832.61K 164KB/s eta 6s kselftest.tar.xz 51%[=========> ] 882.10K 172KB/s eta 6s kselftest.tar.xz 54%[=========> ] 924.53K 175KB/s eta 6s kselftest.tar.xz 57%[==========> ] 972.60K 181KB/s eta 6s kselftest.tar.xz 60%[===========> ] 1.00M 191KB/s eta 4s kselftest.tar.xz 63%[===========> ] 1.05M 196KB/s eta 4s kselftest.tar.xz 66%[============> ] 1.11M 202KB/s eta 4s kselftest.tar.xz 69%[============> ] 1.16M 209KB/s eta 4s kselftest.tar.xz 74%[=============> ] 1.24M 223KB/s eta 4s kselftest.tar.xz 78%[==============> ] 1.31M 234KB/s eta 2s kselftest.tar.xz 83%[===============> ] 1.38M 246KB/s eta 2s kselftest.tar.xz 88%[================> ] 1.46M 263KB/s eta 2s kselftest.tar.xz 94%[=================> ] 1.57M 285KB/s eta 2s kselftest.tar.xz 100%[===================>] 1.66M 301KB/s in 8.2s 2022-07-05 02:48:24 (209 KB/s) - 'kselftest.tar.xz' saved [1743500/1743500] 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 ======================================== [ 115.717114] 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 [ 117.019238] lkdtm: Performing direct entry BUG [ 117.024033] ------------[ cut here ]------------ [ 117.028701] kernel BUG at drivers/misc/lkdtm/bugs.c:76! [ 117.034251] Internal error: Oops - BUG: 0 [#1] PREEMPT SMP [ 117.039757] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 117.049262] CPU: 5 PID: 763 Comm: cat Not tainted 5.10.126-cip11 #1 [ 117.055546] Hardware name: ARM Juno development board (r0) (DT) [ 117.061486] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 117.067518] pc : lkdtm_BUG+0xc/0x10 [ 117.071022] lr : lkdtm_do_action+0x24/0x40 [ 117.075131] sp : ffff800014a13d10 [ 117.078456] x29: ffff800014a13d10 x28: ffff0008065a0000 [ 117.083799] x27: 0000000000000000 x26: 0000000000000000 [ 117.089140] x25: ffff800011520068 x24: ffff800014a13e20 [ 117.094483] x23: 0000000000000004 x22: ffff000803f3b000 [ 117.099825] x21: ffff800011a348d0 x20: ffff800011520078 [ 117.105167] x19: 0000000000000001 x18: ffff800012ae4e90 [ 117.110509] x17: 0000000000000000 x16: 0000000000000000 [ 117.115851] x15: 0000000000000028 x14: 0000000000043380 [ 117.121192] x13: ffff8000129ffb10 x12: 00000000aed000df [ 117.126534] x11: ffff0008065a0880 x10: ffff800012618450 [ 117.131876] x9 : ffff800010a2ae44 x8 : ffff8000125c0450 [ 117.137217] x7 : ffff800012618450 x6 : ffff800012591000 [ 117.142559] x5 : ffff800012591c88 x4 : ffff00097efb2c50 [ 117.147901] x3 : 0000000000000000 x2 : 0000000000000000 [ 117.153243] x1 : ffff0008065a0000 x0 : ffff800010a2b4f0 [ 117.158584] Call trace: [ 117.161043] lkdtm_BUG+0xc/0x10 [ 117.164199] direct_entry+0xd4/0x140 [ 117.167792] full_proxy_write+0x6c/0xc0 [ 117.171644] vfs_write+0xf0/0x210 [ 117.174972] ksys_write+0x74/0x100 [ 117.178387] __arm64_sys_write+0x28/0x34 [ 117.182327] el0_svc_common.constprop.0+0x84/0x1e0 [ 117.187136] do_el0_svc+0x30/0xa0 [ 117.190467] el0_svc+0x20/0x30 [ 117.193536] el0_sync_handler+0x1a4/0x1b0 [ 117.197560] el0_sync+0x180/0x1c0 [ 117.200894] Code: d503201f d503245f aa1e03e9 d503201f (d4210000) [ 117.207012] ---[ end trace df0a09a550b05db0 ]--- [ 117.211646] note: cat[763] exited with preempt_count 1 [ 117.216802] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 117.225701] in_atomic(): 0, irqs_disabled(): 128, non_block: 0, pid: 763, name: cat [ 117.233378] INFO: lockdep is turned off. [ 117.237314] irq event stamp: 1944 [ 117.240652] hardirqs last enabled at (1943): [] console_unlock+0x540/0x6a4 [ 117.249207] hardirqs last disabled at (1944): [] el1_dbg+0x24/0x50 [ 117.256977] softirqs last enabled at (1940): [] __do_softirq+0x5b8/0x638 [ 117.265359] softirqs last disabled at (1935): [] __irq_exit_rcu+0x178/0x1ac [ 117.273913] CPU: 5 PID: 763 Comm: cat Tainted: G D 5.10.126-cip11 #1 [ 117.281591] Hardware name: ARM Juno development board (r0) (DT) [ 117.287528] Call trace: [ 117.289988] dump_backtrace+0x0/0x1f0 [ 117.293665] show_stack+0x24/0x30 [ 117.296996] dump_stack+0xf8/0x168 [ 117.300414] ___might_sleep+0x15c/0x20c [ 117.304265] __might_sleep+0x5c/0x94 [ 117.307857] exit_signals+0x38/0x24c [ 117.311448] do_exit+0xdc/0xb40 [ 117.314603] die+0x230/0x270 [ 117.317496] bug_handler+0x58/0x80 [ 117.320913] call_break_hook+0x70/0x84 [ 117.324678] brk_handler+0x28/0x70 [ 117.328098] do_debug_exception+0xd8/0x150 [ 117.332213] el1_dbg+0x34/0x50 [ 117.335283] el1_sync_handler+0x9c/0xd0 [ 117.339134] el1_sync+0x88/0x140 [ 117.342377] lkdtm_BUG+0xc/0x10 [ 117.345535] direct_entry+0xd4/0x140 [ 117.349128] full_proxy_write+0x6c/0xc0 [ 117.352981] vfs_write+0xf0/0x210 [ 117.356310] ksys_write+0x74/0x100 [ 117.359727] __arm64_sys_write+0x28/0x34 [ 117.363669] el0_svc_common.constprop.0+0x84/0x1e0 [ 117.368479] do_el0_svc+0x30/0xa0 [ 117.371810] el0_svc+0x20/0x30 [ 117.374880] el0_sync_handler+0x1a4/0x1b0 [ 117.378906] el0_sync+0x180/0x1c0 [ 117.382559] ------------[ cut here ]------------ # S[ 117.387209] WARNING: CPU: 5 PID: 0 at kernel/rcu/tree.c:624 rcu_eqs_enter.constprop.0+0xe4/0x140 egmentation fault [ 117.396280] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 117.407431] CPU: 5 PID: 0 Comm: swapper/5 Tainted: G D W 5.10.126-cip11 #1 [ 117.415469] Hardware name: ARM Juno development board (r0) (DT) [ 117.421412] pstate: 200003c5 (nzCv DAIF -PAN -UAO -TCO BTYPE=--) [ 117.427445] pc : rcu_eqs_enter.constprop.0+0xe4/0x140 [ 117.432518] lr : rcu_idle_enter+0x28/0xf0 [ 117.436541] sp : ffff80001365be90 # [[ 117.439866] x29: ffff80001365be90 x28: 0000000000000000 117.019238] lkdtm: Performing d[ 117.445442] x27: 0000000000000000 x26: 0000000000000000 irect entry BUG[ 117.453657] x25: 0000000000000000 x24: 0000001b548b5d34 # [ 117.024033] ------------[ [ 117.460276] x23: 0000000000000000 x22: ffff000807024880 cut here ]------------ # [ 117.[ 117.468458] x21: ffff00097efc6140 x20: ffff800011e01380 028701] kernel BUG at drivers/mis[ 117.476641] x19: ffff00097efc8380 x18: 0000000000000000 c/lkdtm/bugs.c:76! # [ 117.0342[ 117.484823] x17: 0000000000000000 x16: 0000000000000000 51] Internal error: Oops - BUG: 0[ 117.493005] x15: 00000000000003f6 x14: 00000000000003f6 [#1] PREEMPT SMP # [ 117.03975[ 117.501188] x13: 00000000000004ce x12: 071c71c71c71c71c 7] Modules linked in: fuse ip_tab[ 117.509370] x11: 00000000000004ce x10: ffff00097efc64ac les x_tables crct10dif_ce tda998[ 117.517552] x9 : ffff800010e708a4 x8 : 000000000000046b x cec drm_kms_helper drm smsc # [ 117.525649] x7 : ffff00097efc64cc x6 : 00000001a1ac6169 [ 117.049262] CPU: 5 PID: 763 Co[ 117.533831] x5 : 00ffffffffffffff x4 : 0000000000000015 mm: cat Not tainted 5.10.126-cip1[ 117.542015] x3 : 00000000042492b8 x2 : 0000000000000004 1 #1 # [ 117.055546] Hardware [ 117.550198] x1 : 4000000000000002 x0 : 4000000000000000 name: ARM Juno development board [ 117.558294] Call trace: (r0) (DT) # [ 117.061486] pstat[ 117.563616] rcu_eqs_enter.constprop.0+0xe4/0x140 e: 60000005 (nZCv daif -PAN -UAO [ 117.571185] rcu_idle_enter+0x28/0xf0 -TCO BTYPE=--) # [ 117.067518] [ 117.577717] cpuidle_enter_state+0x230/0x31c pc : lkdtm_BUG+0xc/0x10 # [ 117[ 117.584855] cpuidle_enter+0x44/0x5c .071022] lr : lkdtm_do_action+0x2[ 117.591299] do_idle+0x240/0x2d0 4/0x40 # [ 117.075131] sp : fff[ 117.597394] cpu_startup_entry+0x34/0x8c f800014a13d10 # [ 117.078456] x[ 117.604186] secondary_start_kernel+0x14c/0x190 29: ffff800014a13d10 x28: ffff000[ 117.611578] irq event stamp: 275760 8065a0000 # [ 117.083799] x27:[ 117.617945] hardirqs last enabled at (275759): [] tick_nohz_idle_exit+0x7c/0x1c4 0000000000000000 x26: 000000000[ 117.629868] hardirqs last disabled at (275760): [] __schedule+0x360/0x9ac 0000000 # [ 117.089140] x25: f[ 117.641011] softirqs last enabled at (275756): [] _local_bh_enable+0x30/0x54 fff800011520068 x24: ffff800014a1[ 117.652584] softirqs last disabled at (275755): [] irq_enter_rcu+0x80/0xa0 3e20 # [ 117.094483] x23: 0000[ 117.663894] ---[ end trace df0a09a550b05db1 ]--- 000000000004 x22: ffff000803f3b000 # [ 117.099825] x21: ffff800011a348d0 x20: ffff800011520078 # [ 117.105167] x19: 0000000000000001 x18: ffff800012ae4e90 # [ 117.110509] x17: 0000000000000000 x16: 0000000000000000 # [ 117.115851] x15: 0000000000000028 x14: 0000000000043380 # [ 117.121192] x13: ffff8000129ffb10 x12: 00000000aed000df # [ 117.126534] x11: ffff0008065a0880 x10: ffff800012618450 # [ 117.131876] x9 : ffff800010a2ae44 x8 : ffff8000125c0450 # [ 117.137217] x7 : ffff800012618450 x6 : ffff800012591000 # [ 117.142559] x5 : ffff800012591c88 x4 : ffff00097efb2c50 # [ 117.147901] x3 : 0000000000000000 x2 : 0000000000000000 # [ 117.153243] x1 : ffff0008065a0000 x0 : ffff800010a2b4f0 # [ 117.158584] Call trace: # [ 117.161043] lkdtm_BUG+0xc/0x10 # [ 117.164199] direct_entry+0xd4/0x140 # [ 117.167792] full_proxy_write+0x6c/0xc0 # [ 117.171644] vfs_write+0xf0/0x210 # [ 117.174972] ksys_write+0x74/0x100 # [ 117.178387] __arm64_sys_write+0x28/0x34 # [ 117.182327] el0_svc_common.constprop.0+0x84/0x1e0 # [ 117.187136] do_el0_svc+0x30/0xa0 # [ 117.190467] el0_svc+0x20/0x30 # [ 117.193536] el0_sync_handler+0x1a4/0x1b0 # [ 117.197560] el0_sync+0x180/0x1c0 # [ 117.200894] Code: d503201f d503245f aa1e03e9 d503201f (d4210000) # [ 117.207012] ---[ end trace df0a09a550b05db0 ]--- # [ 117.211646] note: cat[763] exited with preempt_count 1 # [ 117.216802] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 117.225701] in_atomic(): 0, irqs_disabled(): 128, non_block: 0, pid: 763, name: cat # [ 117.233378] INFO: lockdep is turned off. # [ 117.237314] irq event stamp: 1944 # [ 117.240652] hardirqs last enabled at (1943): [] console_unlock+0x540/0x6a4 # [ 117.249207] hardirqs last disabled at (1944): [] el1_dbg+0x24/0x50 # [ 117.256977] softirqs last enabled at (1940): [] __do_softirq+0x5b8/0x638 # [ 117.265359] softirqs last disabled at (1935): [] __irq_exit_rcu+0x178/0x1ac # [ 117.273913] CPU: 5 PID: 763 Comm: cat Tainted: G D 5.10.126-cip11 #1 # [ 117.281591] Hardware name: ARM Juno development board (r0) (DT) # [ 117.287528] Call trace: # [ 117.289988] dump_backtrace+0x0/0x1f0 # [ 117.293665] show_stack+0x24/0x30 # [ 117.296996] dump_stack+0xf8/0x168 # [ 117.300414] ___might_sleep+0x15c/0x20c # [ 117.304265] __might_sleep+0x5c/0x94 # [ 117.307857] exit_signals+0x38/0x24c # [ 117.311448] do_exit+0xdc/0xb40 # [ 117.314603] die+0x230/0x270 # [ 117.317496] bug_handler+0x58/0x80 # [ 117.320913] call_break_hook+0x70/0x84 # [ 117.324678] brk_handler+[ 117.906388] lkdtm: Performing direct entry WARNING 0x28/0x70 # [ 117.328098] do_[ 117.913949] ------------[ cut here ]------------ debug_exception+0xd8/0x150 # [ [ 117.921226] WARNING: CPU: 3 PID: 801 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x2c/0x40 117.332213] el1_dbg+0x34/0x50[ 117.932439] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 117.335283] el1_sync_hand[ 117.944631] CPU: 3 PID: 801 Comm: cat Tainted: G D W 5.10.126-cip11 #1 ler+0x9c/0xd0 # [ 117.339134] [ 117.955068] Hardware name: ARM Juno development board (r0) (DT) el1_sync+0x88/0x140 # [ 117.3[ 117.963776] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) 42377] lkdtm_BUG+0xc/0x10 # [ [ 117.972567] pc : lkdtm_WARNING+0x2c/0x40 117.345535] direct_entry+0xd4/[ 117.979272] lr : lkdtm_do_action+0x24/0x40 0x140 # [ 117.349128] full_pr[ 117.986142] sp : ffff8000149cbd10 oxy_write+0x6c/0xc0 # [ 117.35[ 117.992236] x29: ffff8000149cbd10 x28: ffff0008048eb100 2981] vfs_write+0xf0/0x210 # [[ 118.000331] x27: 0000000000000000 x26: 0000000000000000 117.356310] ksys_write+0x74/0[ 118.008426] x25: ffff800011520068 x24: ffff8000149cbe20 x100 # [ 117.359727] __arm64_[ 118.016520] x23: 0000000000000008 x22: ffff000805ad9000 sys_write+0x28/0x34 # [ 117.36[ 118.024615] x21: ffff800011a348d8 x20: ffff800011520088 3669] el0_svc_common.constprop.[ 118.032709] x19: 0000000000000002 x18: 0000000000000000 0+0x84/0x1e0 # [ 117.368479] [ 118.040804] x17: 0000000000000000 x16: 0000000000000000 do_el0_svc+0x30/0xa0 # [ 117.3[ 118.048900] x15: 0000000000000030 x14: ffffffffffffffff 71810] el0_svc+0x20/0x30 # [ [ 118.056994] x13: ffff8000949cba07 x12: ffff8000149cba0f 117.374880] el0_sync_handler+0x[ 118.065089] x11: 0000000000000038 x10: ffff800012618450 1a4/0x1b0 # [ 117.378906] el0[ 118.073184] x9 : ffff800010a2ae44 x8 : ffff8000125c0450 _sync+0x180/0x1c0 # [ 117.3825[ 118.081279] x7 : ffff800012618450 x6 : ffff800012591000 59] ------------[ cut here ]----[ 118.089374] x5 : ffff800012591c88 x4 : ffff00097ef6ec50 -------- # [ 117.387209] WARNI[ 118.097468] x3 : 0000000000000000 x2 : 0000000000000000 NG: CPU: 5 PID: 0 at kernel/rcu/[ 118.105563] x1 : ffff8000134cd000 x0 : 0000000000000001 tree.c:624 rcu_eqs_enter.constpr[ 118.113657] Call trace: op.0+0xe4/0x140 # [ 117.396280[ 118.118886] lkdtm_WARNING+0x2c/0x40 ] Modules linked in: fuse ip_tab[ 118.125240] direct_entry+0xd4/0x140 les x_tables crct10dif_ce tda998[ 118.131597] full_proxy_write+0x6c/0xc0 x cec drm_kms_helper drm smsc #[ 118.138210] vfs_write+0xf0/0x210 [ 117.407431] CPU: 5 PID: 0 Co[ 118.144302] ksys_write+0x74/0x100 mm: swapper/5 Tainted: G D [ 118.150482] __arm64_sys_write+0x28/0x34 W 5.10.126-cip11 #1 # [[ 118.157188] el0_svc_common.constprop.0+0x84/0x1e0 117.415469] Hardware name: ARM[ 118.164758] do_el0_svc+0x30/0xa0 Juno development board (r0) (DT[ 118.170854] el0_svc+0x20/0x30 ) # [ 117.421412] pstate: 2000[ 118.176684] el0_sync_handler+0x1a4/0x1b0 03c5 (nzCv DAIF -PAN -UAO -TCO B[ 118.183473] el0_sync+0x180/0x1c0 TYPE=--) # BUG: saw 'kernel BUG[ 118.189563] irq event stamp: 0 at': ok ok 2 selftests: lkdtm:[ 118.195402] hardirqs last enabled at (0): [<0000000000000000>] 0x0 BUG.sh # selftests: lkdtm: WAR[ 118.204455] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 NING.sh [ 118.215420] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 [ 118.224382] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 118.230666] ---[ end trace df0a09a550b05db2 ]--- # [ 117.906388] lkdtm: Performing direct entry WARNING # [ 117.913949] ------------[ cut here ]------------ # [ 117.921226] WARNING: CPU: 3 PID: 801 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x2c/0x40 # [ 117.932439] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 117.944631] CPU: 3 PID: 801 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 117.955068] Hardware name: ARM Juno development board (r0) (DT) # [ 117.963776] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 117.972567] pc : lkdtm_WARNING+0x2c/0x40 # [ 117.979272] lr : lkdtm_do_action+0x24/0x40 # [ 117.986142] sp : ffff8000149cbd10 # [ 117.992236] x29: ffff8000149cbd10 x28: ffff0008048eb100 # [ 118.000331] x27: 0000000000000000 x26: 0000000000000000 # [ 118.008426] x25: ffff800011520068 x24: ffff8000149cbe20 # [ 118.016520] x23: 0000000000000008 x22: ffff000805ad9000 # [ 118.024615] x21: ffff800011a348d8 x20: ffff800011520088 # [ 118.032709] x19: 0000000000000002 x18: 0000000000000000 # [ 118.040804] x17: 0000000000000000 x16: 0000000000000000 # [ 118.048900] x15: 0000000000000030 x14: ffffffffffffffff # [ 118.056994] x13: ffff8000949cba07 x12: ffff8000149cba0f # [ 118.065089] x11: 0000000000000038 x10: ffff800012618450 # [ 118.073184] x9 : ffff800010a2ae44 x8 : ffff8000125c0450 # [ 118.081279] x7 : ffff800012618450 x6 : ffff800012591000 # [ 118.089374] x5 : ffff800012591c88 x4 : ffff00097ef6ec50 # [ 118.097468] x3 : 0000000000000000 x2 : 0000000000000000 # [ 118.105563] x1 : ffff8000134cd000 x0 : 0000000000000001 # [ 118.113657] Call trace: # [ 118.118886] lkdtm_WARNING+0x2c/0x40 # [ 118.125240] direct_entry+0xd4/0x140 # [ 118.131597] full_proxy_write+0x6c/0xc0 # [ 118.138210] vfs_write+0xf0/0x210 # [ 118.144302] ksys_write+0x74/0x100 # [ 118.150482] __arm64_sys_write+0x28/0x34 # [ 118.157188] el0_svc_common.constprop.0+0x84/0x1e0 # [ 118.164758] do_el0_svc+0x30/0xa0 # [ 118.170854] el0_svc+0x20/0x30 # [ 118.176684] el0_sync_handler+0x1a4/0x1b0 # [ 118.183473] el0_sync+0x180/0x1c0 # [ 118.189563] irq event stamp: 0 # [ 118.195402] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 118.204455] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 # [ 118.215420] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 # [ 118.224382] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 118.230666] ---[ end trace df0a09a550b05db2 ]--- # WARNING: saw 'WARNING:': ok ok 3 selftests: lkdtm: WARNING.sh # selftests: lkdtm: WARNING_MESSAGE.sh [ 118.660466] lkdtm: Performing direct entry WARNING_MESSAGE [ 118.666054] ------------[ cut here ]------------ [ 118.670756] Warning message trigger count: 2 [ 118.675176] WARNING: CPU: 0 PID: 836 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x34/0x44 [ 118.684334] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 118.693841] CPU: 0 PID: 836 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 118.701517] Hardware name: ARM Juno development board (r0) (DT) [ 118.707457] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 118.713484] pc : lkdtm_WARNING_MESSAGE+0x34/0x44 [ 118.718117] lr : lkdtm_WARNING_MESSAGE+0x34/0x44 [ 118.722747] sp : ffff800014b53d00 [ 118.726072] x29: ffff800014b53d00 x28: ffff0008030b4980 [ 118.731415] x27: 0000000000000000 x26: 0000000000000000 [ 118.736757] x25: ffff800011520068 x24: ffff800014b53e20 [ 118.742099] x23: 0000000000000010 x22: ffff000804525000 [ 118.747441] x21: ffff800011a348e0 x20: ffff800011520098 [ 118.752783] x19: 0000000000000003 x18: 0000000000000000 [ 118.758125] x17: 0000000000000000 x16: 0000000000000000 [ 118.763466] x15: 0000000000000030 x14: ffffffffffffffff [ 118.768809] x13: ffff800094b539a7 x12: ffff800014b539af [ 118.774151] x11: 0000000000000038 x10: ffff800012618450 [ 118.779493] x9 : ffff800010133204 x8 : ffff8000125c0450 [ 118.784834] x7 : ffff800012618450 x6 : ffff800012591000 [ 118.790176] x5 : ffff800012591c88 x4 : ffff00097ef08c50 [ 118.795518] x3 : 0000000000000000 x2 : 0000000000000000 [ 118.800859] x1 : 0000000000000000 x0 : ffff0008030b4980 [ 118.806201] Call trace: [ 118.808660] lkdtm_WARNING_MESSAGE+0x34/0x44 [ 118.812948] lkdtm_do_action+0x24/0x40 [ 118.816713] direct_entry+0xd4/0x140 [ 118.820306] full_proxy_write+0x6c/0xc0 [ 118.824157] vfs_write+0xf0/0x210 [ 118.827486] ksys_write+0x74/0x100 [ 118.830901] __arm64_sys_write+0x28/0x34 [ 118.834842] el0_svc_common.constprop.0+0x84/0x1e0 [ 118.839650] do_el0_svc+0x30/0xa0 [ 118.842981] el0_svc+0x20/0x30 [ 118.846050] el0_sync_handler+0x1a4/0x1b0 [ 118.850074] el0_sync+0x180/0x1c0 [ 118.853400] irq event stamp: 0 [ 118.856469] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 118.862761] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 [ 118.870966] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 [ 118.879167] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 118.885451] ---[ end trace df0a09a550b05db3 ]--- # [ 118.660466] lkdtm: Performing direct entry WARNING_MESSAGE # [ 118.666054] ------------[ cut here ]------------ # [ 118.670756] Warning message trigger count: 2 # [ 118.675176] WARNING: CPU: 0 PID: 836 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x34/0x44 # [ 118.684334] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 118.693841] CPU: 0 PID: 836 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 118.701517] Hardware name: ARM Juno development board (r0) (DT) # [ 118.707457] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 118.713484] pc : lkdtm_WARNING_MESSAGE+0x34/0x44 # [ 118.718117] lr : lkdtm_WARNING_MESSAGE+0x34/0x44 # [ 118.722747] sp : ffff800014b53d00 # [ 118.726072] x29: ffff800014b53d00 x28: ffff0008030b4980 # [ 118.731415] x27: 0000000000000000 x26: 0000000000000000 # [ 118.736757] x25: ffff800011520068 x24: ffff800014b53e20 # [ 118.742099] x23: 0000000000000010 x22: ffff000804525000 # [ 118.747441] x21: ffff800011a348e0 x20: ffff800011520098 # [ 118.752783] x19: 0000000000000003 x18: 0000000000000000 # [ 118.758125] x17: 0000000000000000 x16: 0000000000000000 # [ 118.763466] x15: 0000000000000030 x14: ffffffffffffffff # [ 118.768809] x13: ffff800094b539a7 x12: ffff800014b539af # [ 118.774151] x11: 0000000000000038 x10: ffff800012618450 # [ 118.779493] x9 : ffff800010133204 x8 : ffff8000125c0450 # [ 118.784834] x7 : ffff800012618450 x6 : ffff800012591000 # [ 118.790176] x5 : ffff800012591c88 x4 : ffff00097ef08c50 # [ 118.795518] x3 : 0000000000000000 x2 : 0000000000000000 # [ 118.800859] x1 : 0000000000000000 x0 : ffff0008030b4980 # [ 118.806201] Call trace: # [ 118.808660] lkdtm_WARNING_MESSAGE+0x34/0x44 # [ 118.812948] lkdtm_do_action+0x24/0x40 # [ 118.816713] direct_entry+0xd4/0x140 # [ 118.820306] full_proxy_write+0x6c/0xc0 # [ 118.824157] vfs_write+0xf0/0x210 # [ 118.827486] ksys_write+0x74/0x100 # [ 118.830901] __arm64_sys_write+0x28/0x34 # [ 118.834842] el0_svc_common.constprop.0+0x84/0x1e0 # [ 118.839650] do_el0_svc+0x30/0xa0 # [ 118.842981] el0_svc+0x20/0x30 # [ 118.846050] el0_sync_handler+0x1a4/0x1b0 # [ 118.850074] el0_sync+0x180/0x1c0 # [ 118.853400] irq event stamp: 0 # [ 118.856469] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 118.862761] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 # [ 118.870966] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 # [ 118.879167] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 118.885451] ---[ end trace df0a09a550b05db3 ]--- # WARNING_MESSAGE: saw 'message trigger': ok ok 4 selftests: lkdtm: WARNING_MESSAGE.sh # selftests: lkdtm: EXCEPTION.sh [ 119.309434] lkdtm: Performing direct entry EXCEPTION [ 119.314496] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000 [ 119.323368] Mem abort info: [ 119.326222] ESR = 0x96000044 [ 119.329419] EC = 0x25: DABT (current EL), IL = 32 bits [ 119.334952] SET = 0, FnV = 0 [ 119.338064] EA = 0, S1PTW = 0 [ 119.341249] Data abort info: [ 119.344140] ISV = 0, ISS = 0x00000044 [ 119.348011] CM = 0, WnR = 1 [ 119.351010] user pgtable: 4k pages, 48-bit VAs, pgdp=00000008848ad000 [ 119.357487] [0000000000000000] pgd=0000000000000000, p4d=0000000000000000 [ 119.364334] Internal error: Oops: 96000044 [#2] PREEMPT SMP [ 119.369924] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 119.379404] CPU: 2 PID: 868 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 119.387081] Hardware name: ARM Juno development board (r0) (DT) [ 119.393020] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 119.399045] pc : lkdtm_EXCEPTION+0x18/0x20 [ 119.403156] lr : lkdtm_do_action+0x24/0x40 [ 119.407263] sp : ffff800014bebd10 [ 119.410591] x29: ffff800014bebd10 x28: ffff000807256200 [ 119.415927] x27: 0000000000000000 x26: 0000000000000000 [ 119.421260] x25: ffff800011520068 x24: ffff800014bebe20 [ 119.426592] x23: 000000000000000a x22: ffff000804fc6000 [ 119.431925] x21: ffff800011a348f0 x20: ffff8000115200a8 [ 119.437256] x19: 0000000000000004 x18: 0000000000000000 [ 119.442588] x17: 0000000000000000 x16: 0000000000000000 [ 119.447919] x15: 0000000000000030 x14: ffffffffffffffff [ 119.453251] x13: ffff800094beba07 x12: ffff800014beba0f [ 119.458582] x11: 0000000000000008 x10: ffff800012618450 [ 119.463914] x9 : ffff800010a2ae44 x8 : ffff8000125c0450 [ 119.469245] x7 : ffff800012618450 x6 : ffff800012591000 [ 119.474577] x5 : ffff800012591c88 x4 : ffff00097efb2c50 [ 119.479908] x3 : 0000000000000000 x2 : 0000000000000000 [ 119.485239] x1 : ffff000807256200 x0 : 0000000000000000 [ 119.490571] Call trace: [ 119.493024] lkdtm_EXCEPTION+0x18/0x20 [ 119.496783] direct_entry+0xd4/0x140 [ 119.500369] full_proxy_write+0x6c/0xc0 [ 119.504214] vfs_write+0xf0/0x210 [ 119.507536] ksys_write+0x74/0x100 [ 119.510945] __arm64_sys_write+0x28/0x34 [ 119.514879] el0_svc_common.constprop.0+0x84/0x1e0 [ 119.519681] do_el0_svc+0x30/0xa0 [ 119.523006] el0_svc+0x20/0x30 [ 119.526068] el0_sync_handler+0x1a4/0x1b0 [ 119.530086] el0_sync+0x180/0x1c0 [ 119.533412] Code: d503201f d2800000 d503233f d50323bf (b900001f) [ 119.539521] ---[ end trace df0a09a550b05db4 ]--- # Segmentation fault # [ 119.309434] lkdtm: Performing direct entry EXCEPTION # [ 119.314496] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000 # [ 119.323368] Mem abort info: # [ 119.326222] ESR = 0x96000044 # [ 119.329419] EC = 0x25: DABT (current EL), IL = 32 bits # [ 119.334952] SET = 0, FnV = 0 # [ 119.338064] EA = 0, S1PTW = 0 # [ 119.341249] Data abort info: # [ 119.344140] ISV = 0, ISS = 0x00000044 # [ 119.348011] CM = 0, WnR = 1 # [ 119.351010] user pgtable: 4k pages, 48-bit VAs, pgdp=00000008848ad000 # [ 119.357487] [0000000000000000] pgd=0000000000000000, p4d=0000000000000000 # [ 119.364334] Internal error: Oops: 96000044 [#2] PREEMPT SMP # [ 119.369924] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 119.379404] CPU: 2 PID: 868 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 119.387081] Hardware name: ARM Juno development board (r0) (DT) # [ 119.393020] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 119.399045] pc : lkdtm_EXCEPTION+0x18/0x20 # [ 119.403156] lr : lkdtm_do_action+0x24/0x40 # [ 119.407263] sp : ffff800014bebd10 # [ 119.410591] x29: ffff800014bebd10 x28: ffff000807256200 # [ 119.415927] x27: 0000000000000000 x26: 0000000000000000 # [ 119.421260] x25: ffff800011520068 x24: ffff800014bebe20 # [ 119.426592] x23: 000000000000000a x22: ffff000804fc6000 # [ 119.431925] x21: ffff800011a348f0 x20: ffff8000115200a8 # [ 119.437256] x19: 0000000000000004 x18: 0000000000000000 # [ 119.442588] x17: 0000000000000000 x16: 0000000000000000 # [ 119.447919] x15: 0000000000000030 x14: ffffffffffffffff # [ 119.453251] x13: ffff800094beba07 x12: ffff800014beba0f # [ 119.458582] x11: 0000000000000008 x10: ffff800012618450 # [ 119.463914] x9 : ffff800010a2ae44 x8 : ffff8000125c0450 # [ 119.469245] x7 : ffff800012618450 x6 : ffff800012591000 # [ 119.474577] x5 : ffff800012591c88 x4 : ffff00097efb2c50 # [ 119.479908] x3 : 0000000000000000 x2 : 0000000000000000 # [ 119.485239] x1 : ffff000807256200 x0 : 0000000000000000 # [ 119.490571] Call trace: # [ 119.493024] lkdtm_EXCEPTION+0x18/0x20 # [ 119.496783] direct_entry+0xd4/0x140 # [ 119.500369] full_proxy_write+0x6c/0xc0 # [ 119.504214] vfs_write+0xf0/0x210 # [ 119.507536] ksys_write+0x74/0x100 # [ 119.510945] __arm64_sys_write+0x28/0x34 # [ 119.514879] el0_svc_common.constprop.0+0x84/0x1e0 # [ 119.519681] do_el0_svc+0x30/0xa0 # [ 119.523006] el0_svc+0x20/0x30 # [ 119.526068] el0_sync_handler+0x1a4/0x1b0 # [ 119.530086] el0_sync+0x180/0x1c0 # [ 119.533412] Code: d503201f d2800000 d503233f d50323bf (b900001f) # [ 119.539521] ---[ end trace df0a09a550b05db4 ]--- # 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 [ 120.852905] lkdtm: Performing direct entry CORRUPT_LIST_ADD [ 120.858561] lkdtm: attempting good list addition [ 120.863255] lkdtm: attempting corrupted list addition [ 120.868375] lkdtm: list_add() corruption not detected! # [ 120.852905] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 120.858561] lkdtm: attempting good list addition # [ 120.863255] lkdtm: attempting corrupted list addition # [ 120.868375] 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 [ 121.273953] lkdtm: Performing direct entry CORRUPT_LIST_DEL [ 121.279613] lkdtm: attempting good list removal [ 121.284220] lkdtm: attempting corrupted list removal [ 121.289903] lkdtm: list_del() corruption not detected! # [ 121.273953] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 121.279613] lkdtm: attempting good list removal # [ 121.284220] lkdtm: attempting corrupted list removal # [ 121.289903] 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 [ 121.684695] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING [ 121.691037] lkdtm: attempting bad read from page below current stack [ 121.697495] Unable to handle kernel paging request at virtual address ffff800014fcffff [ 121.705629] Mem abort info: [ 121.708443] ESR = 0x96000007 [ 121.711572] EC = 0x25: DABT (current EL), IL = 32 bits [ 121.716921] SET = 0, FnV = 0 [ 121.719988] EA = 0, S1PTW = 0 [ 121.723160] Data abort info: [ 121.726065] ISV = 0, ISS = 0x00000007 [ 121.729931] CM = 0, WnR = 0 [ 121.732929] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081def000 [ 121.739669] [ffff800014fcffff] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=000000088453f003, pte=0000000000000000 [ 121.752290] Internal error: Oops: 96000007 [#3] PREEMPT SMP [ 121.757882] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 121.767360] CPU: 1 PID: 1103 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 121.775124] Hardware name: ARM Juno development board (r0) (DT) [ 121.781058] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 121.787086] pc : lkdtm_STACK_GUARD_PAGE_LEADING+0x38/0x5c [ 121.792498] lr : lkdtm_STACK_GUARD_PAGE_LEADING+0x30/0x5c [ 121.797909] sp : ffff800014fd3ce0 [ 121.801235] x29: ffff800014fd3ce0 x28: ffff000806784980 [ 121.806573] x27: 0000000000000000 x26: 0000000000000000 [ 121.811905] x25: ffff800011520068 x24: ffff800014fd3e20 [ 121.817236] x23: 0000000000000019 x22: ffff000804fd8000 [ 121.822568] x21: ffff800011a34970 x20: ffff800011520118 [ 121.827899] x19: ffff800014fd0000 x18: 0000000000000000 [ 121.833231] x17: 0000000000000000 x16: 0000000000000000 [ 121.838562] x15: 0000000000000030 x14: ffffffffffffffff [ 121.843894] x13: ffff800094fd39c7 x12: ffff800014fd39cf [ 121.849225] x11: 0000000000000000 x10: ffff800012618450 [ 121.854557] x9 : ffff800010133204 x8 : ffff8000125c0450 [ 121.859888] x7 : ffff800012618450 x6 : ffff800012591000 [ 121.865219] x5 : ffff800012591c88 x4 : ffff00097ef08c50 [ 121.870551] x3 : 0000000000000000 x2 : 0000000000000000 [ 121.875882] x1 : ffff000806784980 x0 : ffff800011a35430 [ 121.881214] Call trace: [ 121.883668] lkdtm_STACK_GUARD_PAGE_LEADING+0x38/0x5c [ 121.888734] lkdtm_do_action+0x24/0x40 [ 121.892493] direct_entry+0xd4/0x140 [ 121.896079] full_proxy_write+0x6c/0xc0 [ 121.899925] vfs_write+0xf0/0x210 [ 121.903246] ksys_write+0x74/0x100 [ 121.906655] __arm64_sys_write+0x28/0x34 [ 121.910589] el0_svc_common.constprop.0+0x84/0x1e0 [ 121.915391] do_el0_svc+0x30/0xa0 [ 121.918713] el0_svc+0x20/0x30 [ 121.921775] el0_sync_handler+0x1a4/0x1b0 [ 121.925793] el0_sync+0x180/0x1c0 [ 121.929120] Code: 910fc000 97ffe02f b0003de0 9110c000 (385ff261) [ 121.935229] ---[ end trace df0a09a550b05db5 ]--- # Segmentation fault # [ 121.684695] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 121.691037] lkdtm: attempting bad read from page below current stack # [ 121.697495] Unable to handle kernel paging request at virtual address ffff800014fcffff # [ 121.705629] Mem abort info: # [ 121.708443] ESR = 0x96000007 # [ 121.711572] EC = 0x25: DABT (current EL), IL = 32 bits # [ 121.716921] SET = 0, FnV = 0 # [ 121.719988] EA = 0, S1PTW = 0 # [ 121.723160] Data abort info: # [ 121.726065] ISV = 0, ISS = 0x00000007 # [ 121.729931] CM = 0, WnR = 0 # [ 121.732929] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081def000 # [ 121.739669] [ffff800014fcffff] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=000000088453f003, pte=0000000000000000 # [ 121.752290] Internal error: Oops: 96000007 [#3] PREEMPT SMP # [ 121.757882] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 121.767360] CPU: 1 PID: 1103 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 121.775124] Hardware name: ARM Juno development board (r0) (DT) # [ 121.781058] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 121.787086] pc : lkdtm_STACK_GUARD_PAGE_LEADING+0x38/0x5c # [ 121.792498] lr : lkdtm_STACK_GUARD_PAGE_LEADING+0x30/0x5c # [ 121.797909] sp : ffff800014fd3ce0 # [ 121.801235] x29: ffff800014fd3ce0 x28: ffff000806784980 # [ 121.806573] x27: 0000000000000000 x26: 0000000000000000 # [ 121.811905] x25: ffff800011520068 x24: ffff800014fd3e20 # [ 121.817236] x23: 0000000000000019 x22: ffff000804fd8000 # [ 121.822568] x21: ffff800011a34970 x20: ffff800011520118 # [ 121.827899] x19: ffff800014fd0000 x18: 0000000000000000 # [ 121.833231] x17: 0000000000000000 x16: 0000000000000000 # [ 121.838562] x15: 0000000000000030 x14: ffffffffffffffff # [ 121.843894] x13: ffff800094fd39c7 x12: ffff800014fd39cf # [ 121.849225] x11: 0000000000000000 x10: ffff800012618450 # [ 121.854557] x9 : ffff800010133204 x8 : ffff8000125c0450 # [ 121.859888] x7 : ffff800012618450 x6 : ffff800012591000 # [ 121.865219] x5 : ffff800012591c88 x4 : ffff00097ef08c50 # [ 121.870551] x3 : 0000000000000000 x2 : 0000000000000000 # [ 121.875882] x1 : ffff000806784980 x0 : ffff800011a35430 # [ 121.881214] Call trace: # [ 121.883668] lkdtm_STACK_GUARD_PAGE_LEADING+0x38/0x5c # [ 121.888734] lkdtm_do_action+0x24/0x40 # [ 121.892493] direct_entry+0xd4/0x140 # [ 121.896079] full_proxy_write+0x6c/0xc0 # [ 121.899925] vfs_write+0xf0/0x210 # [ 121.903246] ksys_write+0x74/0x100 # [ 121.906655] __arm64_sys_write+0x28/0x34 # [ 121.910589] el0_svc_common.constprop.0+0x84/0x1e0 # [ 121.915391] do_el0_svc+0x30/0xa0 # [ 121.918713] el0_svc+0x20/0x30 # [ 121.921775] el0_sync_handler+0x1a4/0x1b0 # [ 121.925793] el0_sync+0x180/0x1c0 # [ 121.929120] Code: 910fc000 97ffe02f b0003de0 9110c000 (385ff261) # [ 121.935229] ---[ end trace df0a09a550b05db5 ]--- # STACK_GUARD_PAGE_LEADING: saw 'call trace:': ok ok 12 selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh # selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh [ 122.342778] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING [ 122.349225] lkdtm: attempting bad read from page above current stack [ 122.355684] Unable to handle kernel paging request at virtual address ffff800014fb4000 [ 122.364963] Mem abort info: [ 122.367780] ESR = 0x96000007 [ 122.370913] EC = 0x25: DABT (current EL), IL = 32 bits [ 122.376263] SET = 0, FnV = 0 [ 122.379352] EA = 0, S1PTW = 0 [ 122.382521] Data abort info: [ 122.385433] ISV = 0, ISS = 0x00000007 [ 122.389296] CM = 0, WnR = 0 [ 122.392278] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081def000 [ 122.399016] [ffff800014fb4000] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=000000088453f003, pte=0000000000000000 [ 122.411636] Internal error: Oops: 96000007 [#4] PREEMPT SMP [ 122.417228] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 122.426708] CPU: 2 PID: 1148 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 122.434467] Hardware name: ARM Juno development board (r0) (DT) [ 122.440402] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 122.446431] pc : lkdtm_STACK_GUARD_PAGE_TRAILING+0x3c/0x60 [ 122.451934] lr : lkdtm_STACK_GUARD_PAGE_TRAILING+0x30/0x60 [ 122.457432] sp : ffff800014fb3ce0 [ 122.460759] x29: ffff800014fb3ce0 x28: ffff000805830000 [ 122.466093] x27: 0000000000000000 x26: 0000000000000000 [ 122.471425] x25: ffff800011520068 x24: ffff800014fb3e20 [ 122.476757] x23: 000000000000001a x22: ffff00080284d000 [ 122.482089] x21: ffff800011a34990 x20: ffff800011520128 [ 122.487420] x19: ffff800014fb4000 x18: 0000000000000000 [ 122.492752] x17: 0000000000000000 x16: 0000000000000000 [ 122.498083] x15: 0000000000000030 x14: ffffffffffffffff [ 122.503414] x13: ffff800094fb39c7 x12: ffff800014fb39cf [ 122.508746] x11: 0000000000000008 x10: ffff800012618450 [ 122.514077] x9 : ffff800010133204 x8 : ffff8000125c0450 [ 122.519408] x7 : ffff800012618450 x6 : ffff800012591000 [ 122.524739] x5 : ffff800012591c88 x4 : ffff00097ef08c50 [ 122.530071] x3 : 0000000000000000 x2 : 0000000000000000 [ 122.535403] x1 : ffff000805830000 x0 : ffff800011a354a8 [ 122.540734] Call trace: [ 122.543188] lkdtm_STACK_GUARD_PAGE_TRAILING+0x3c/0x60 [ 122.548341] lkdtm_do_action+0x24/0x40 [ 122.552099] direct_entry+0xd4/0x140 [ 122.555685] full_proxy_write+0x6c/0xc0 [ 122.559531] vfs_write+0xf0/0x210 [ 122.562852] ksys_write+0x74/0x100 [ 122.566261] __arm64_sys_write+0x28/0x34 [ 122.570194] el0_svc_common.constprop.0+0x84/0x1e0 [ 122.574996] do_el0_svc+0x30/0xa0 [ 122.578319] el0_svc+0x20/0x30 [ 122.581381] el0_sync_handler+0x1a4/0x1b0 [ 122.585399] el0_sync+0x180/0x1c0 [ 122.588725] Code: 97ffe018 91401273 b0003de0 9112a000 (39400261) [ 122.594835] ---[ end trace df0a09a550b05db6 ]--- # Segmentation fault # [ 122.342778] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING # [ 122.349225] lkdtm: attempting bad read from page above current stack # [ 122.355684] Unable to handle kernel paging request at virtual address ffff800014fb4000 # [ 122.364963] Mem abort info: # [ 122.367780] ESR = 0x96000007 # [ 122.370913] EC = 0x25: DABT (current EL), IL = 32 bits # [ 122.376263] SET = 0, FnV = 0 # [ 122.379352] EA = 0, S1PTW = 0 # [ 122.382521] Data abort info: # [ 122.385433] ISV = 0, ISS = 0x00000007 # [ 122.389296] CM = 0, WnR = 0 # [ 122.392278] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081def000 # [ 122.399016] [ffff800014fb4000] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=000000088453f003, pte=0000000000000000 # [ 122.411636] Internal error: Oops: 96000007 [#4] PREEMPT SMP # [ 122.417228] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 122.426708] CPU: 2 PID: 1148 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 122.434467] Hardware name: ARM Juno development board (r0) (DT) # [ 122.440402] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 122.446431] pc : lkdtm_STACK_GUARD_PAGE_TRAILING+0x3c/0x60 # [ 122.451934] lr : lkdtm_STACK_GUARD_PAGE_TRAILING+0x30/0x60 # [ 122.457432] sp : ffff800014fb3ce0 # [ 122.460759] x29: ffff800014fb3ce0 x28: ffff000805830000 # [ 122.466093] x27: 0000000000000000 x26: 0000000000000000 # [ 122.471425] x25: ffff800011520068 x24: ffff800014fb3e20 # [ 122.476757] x23: 000000000000001a x22: ffff00080284d000 # [ 122.482089] x21: ffff800011a34990 x20: ffff800011520128 # [ 122.487420] x19: ffff800014fb4000 x18: 0000000000000000 # [ 122.492752] x17: 0000000000000000 x16: 0000000000000000 # [ 122.498083] x15: 0000000000000030 x14: ffffffffffffffff # [ 122.503414] x13: ffff800094fb39c7 x12: ffff800014fb39cf # [ 122.508746] x11: 0000000000000008 x10: ffff800012618450 # [ 122.514077] x9 : ffff800010133204 x8 : ffff8000125c0450 # [ 122.519408] x7 : ffff800012618450 x6 : ffff800012591000 # [ 122.524739] x5 : ffff800012591c88 x4 : ffff00097ef08c50 # [ 122.530071] x3 : 0000000000000000 x2 : 0000000000000000 # [ 122.535403] x1 : ffff000805830000 x0 : ffff800011a354a8 # [ 122.540734] Call trace: # [ 122.543188] lkdtm_STACK_GUARD_PAGE_TRAILING+0x3c/0x60 # [ 122.548341] lkdtm_do_action+0x24/0x40 # [ 122.552099] direct_entry+0xd4/0x140 # [ 122.555685] full_proxy_write+0x6c/0xc0 # [ 122.559531] vfs_write+0xf0/0x210 # [ 122.562852] ksys_write+0x74/0x100 # [ 122.566261] __arm64_sys_write+0x28/0x34 # [ 122.570194] el0_svc_common.constprop.0+0x84/0x1e0 # [ 122.574996] do_el0_svc+0x30/0xa0 # [ 122.578319] el0_svc+0x20/0x30 # [ 122.581381] el0_sync_handler+0x1a4/0x1b0 # [ 122.585399] el0_sync+0x180/0x1c0 # [ 122.588725] Code: 97ffe018 91401273 b0003de0 9112a000 (39400261) # [ 122.594835] ---[ end trace df0a09a550b05db6 ]--- # STACK_GUARD_PAGE_TRAILING: saw 'call trace:': ok ok 13 selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # selftests: lkdtm: UNSET_SMEP.sh [ 123.020657] lkdtm: Performing direct entry UNSET_SMEP [ 123.025778] lkdtm: XFAIL: this test is x86_64-only # [ 123.020657] lkdtm: Performing direct entry UNSET_SMEP # [ 123.025778] 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 [ 123.426025] lkdtm: Performing direct entry DOUBLE_FAULT [ 123.431325] lkdtm: XFAIL: this test is ia32-only # [ 123.426025] lkdtm: Performing direct entry DOUBLE_FAULT # [ 123.431325] 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 [ 123.839591] lkdtm: Performing direct entry CORRUPT_PAC [ 123.844842] lkdtm: FAIL: CPU lacks pointer authentication feature # [ 123.839591] lkdtm: Performing direct entry CORRUPT_PAC # [ 123.844842] 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 [ 124.250387] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE [ 124.256920] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS # [ 124.250387] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # [ 124.256920] 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 [ 125.097435] lkdtm: Performing direct entry READ_AFTER_FREE [ 125.103009] lkdtm: Value in memory before free: 12345678 [ 125.108405] lkdtm: Attempting bad read from freed memory [ 125.113789] lkdtm: Memory was not poisoned # [ 125.097435] lkdtm: Performing direct entry READ_AFTER_FREE # [ 125.103009] lkdtm: Value in memory before free: 12345678 # [ 125.108405] lkdtm: Attempting bad read from freed memory # [ 125.113789] 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 [ 125.724690] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE [ 125.730802] lkdtm: Value in memory before free: 12345678 [ 125.736196] lkdtm: Attempting to read from freed memory [ 125.741562] lkdtm: Buddy page was not poisoned # [ 125.724690] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE # [ 125.730802] lkdtm: Value in memory before free: 12345678 # [ 125.736196] lkdtm: Attempting to read from freed memory # [ 125.741562] 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 [ 126.146506] lkdtm: Performing direct entry SLAB_FREE_DOUBLE [ 126.152170] lkdtm: Attempting double slab free ... # [ 126.146506] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 126.152170] 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 [ 126.545895] lkdtm: Performing direct entry SLAB_FREE_CROSS [ 126.551482] lkdtm: Attempting cross-cache slab free ... # [ 126.545895] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 126.551482] 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 [ 126.942611] lkdtm: Performing direct entry SLAB_FREE_PAGE [ 126.948106] lkdtm: Attempting non-Slab slab free ... # [ 126.942611] lkdtm: Performing direct entry SLAB_FREE_PAGE # [ 126.948106] 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 [ 128.243982] lkdtm: Performing direct entry EXEC_DATA [ 128.249063] lkdtm: attempting ok execution at ffff800010a2bdf0 [ 128.255169] lkdtm: attempting bad execution at ffff8000134cd4f0 [ 128.261170] Unable to handle kernel execute from non-executable memory at virtual address ffff8000134cd4f0 [ 128.270979] Mem abort info: [ 128.273956] ESR = 0x8600000f [ 128.277078] EC = 0x21: IABT (current EL), IL = 32 bits [ 128.282423] SET = 0, FnV = 0 [ 128.285510] EA = 0, S1PTW = 0 [ 128.288680] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081def000 [ 128.295417] [ffff8000134cd4f0] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=00000009ffff9003, pte=00780000836cd703 [ 128.308049] Internal error: Oops: 8600000f [#5] PREEMPT SMP [ 128.313637] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 128.323116] CPU: 1 PID: 1705 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 128.330877] Hardware name: ARM Juno development board (r0) (DT) [ 128.336817] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 128.342844] pc : data_area+0x0/0x40 [ 128.346345] lr : execute_location+0x84/0xa4 [ 128.350534] sp : ffff800015a73cd0 [ 128.353854] x29: ffff800015a73cd0 x28: ffff000803fe8000 [ 128.359187] x27: 0000000000000000 x26: 0000000000000000 [ 128.364520] x25: ffff800011520068 x24: ffff800015a73e20 [ 128.369851] x23: 000000000000000a x22: ffff000803f68000 [ 128.375183] x21: 0000000000000001 x20: ffff800010a2bdf0 [ 128.380514] x19: ffff8000134cd4f0 x18: 0000000000000000 [ 128.385846] x17: 0000000000000000 x16: 0000000000000000 [ 128.391177] x15: 0000000000000030 x14: ffffffffffffffff [ 128.396508] x13: ffff800095a739b7 x12: ffff800015a739bf [ 128.401840] x11: 0000000000000008 x10: ffff800012618450 [ 128.407171] x9 : ffff800010133204 x8 : ffff8000125c0450 [ 128.412503] x7 : ffff800012618450 x6 : ffff800012591000 [ 128.417834] x5 : ffff800012591c88 x4 : ffff00097ef90c50 [ 128.423165] x3 : 0000000000000000 x2 : 0000000000000000 [ 128.428497] x1 : ffff000803fe8000 x0 : 0000000000000033 [ 128.433828] Call trace: [ 128.436282] data_area+0x0/0x40 [ 128.439431] lkdtm_EXEC_DATA+0x28/0x34 [ 128.443192] lkdtm_do_action+0x24/0x40 [ 128.446950] direct_entry+0xd4/0x140 [ 128.450536] full_proxy_write+0x6c/0xc0 [ 128.454382] vfs_write+0xf0/0x210 [ 128.457704] ksys_write+0x74/0x100 [ 128.461112] __arm64_sys_write+0x28/0x34 [ 128.465046] el0_svc_common.constprop.0+0x84/0x1e0 [ 128.469848] do_el0_svc+0x30/0xa0 [ 128.473171] el0_svc+0x20/0x30 [ 128.476232] el0_sync_handler+0x1a4/0x1b0 [ 128.480250] el0_sync+0x180/0x1c0 [ 128.483576] Code: 00ce3900 ffff0008 00ce3a00 ffff0008 (d503245f) [ 128.489685] ---[ end trace df0a09a550b05db7 ]--- # Segmentation fault # [ 128.243982] lkdtm: Performing direct entry EXEC_DATA # [ 128.249063] lkdtm: attempting ok execution at ffff800010a2bdf0 # [ 128.255169] lkdtm: attempting bad execution at ffff8000134cd4f0 # [ 128.261170] Unable to handle kernel execute from non-executable memory at virtual address ffff8000134cd4f0 # [ 128.270979] Mem abort info: # [ 128.273956] ESR = 0x8600000f # [ 128.277078] EC = 0x21: IABT (current EL), IL = 32 bits # [ 128.282423] SET = 0, FnV = 0 # [ 128.285510] EA = 0, S1PTW = 0 # [ 128.288680] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081def000 # [ 128.295417] [ffff8000134cd4f0] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=00000009ffff9003, pte=00780000836cd703 # [ 128.308049] Internal error: Oops: 8600000f [#5] PREEMPT SMP # [ 128.313637] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 128.323116] CPU: 1 PID: 1705 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 128.330877] Hardware name: ARM Juno development board (r0) (DT) # [ 128.336817] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 128.342844] pc : data_area+0x0/0x40 # [ 128.346345] lr : execute_location+0x84/0xa4 # [ 128.350534] sp : ffff800015a73cd0 # [ 128.353854] x29: ffff800015a73cd0 x28: ffff000803fe8000 # [ 128.359187] x27: 0000000000000000 x26: 0000000000000000 # [ 128.364520] x25: ffff800011520068 x24: ffff800015a73e20 # [ 128.369851] x23: 000000000000000a x22: ffff000803f68000 # [ 128.375183] x21: 0000000000000001 x20: ffff800010a2bdf0 # [ 128.380514] x19: ffff8000134cd4f0 x18: 0000000000000000 # [ 128.385846] x17: 0000000000000000 x16: 0000000000000000 # [ 128.391177] x15: 0000000000000030 x14: ffffffffffffffff # [ 128.396508] x13: ffff800095a739b7 x12: ffff800015a739bf # [ 128.401840] x11: 0000000000000008 x10: ffff800012618450 # [ 128.407171] x9 : ffff800010133204 x8 : ffff8000125c0450 # [ 128.412503] x7 : ffff800012618450 x6 : ffff800012591000 # [ 128.417834] x5 : ffff800012591c88 x4 : ffff00097ef90c50 # [ 128.423165] x3 : 0000000000000000 x2 : 0000000000000000 # [ 128.428497] x1 : ffff000803fe8000 x0 : 0000000000000033 # [ 128.433828] Call trace: # [ 128.436282] data_area+0x0/0x40 # [ 128.439431] lkdtm_EXEC_DATA+0x28/0x34 # [ 128.443192] lkdtm_do_action+0x24/0x40 # [ 128.446950] direct_entry+0xd4/0x140 # [ 128.450536] full_proxy_write+0x6c/0xc0 # [ 128.454382] vfs_write+0xf0/0x210 # [ 128.457704] ksys_write+0x74/0x100 # [ 128.461112] __arm64_sys_write+0x28/0x34 # [ 128.465046] el0_svc_common.constprop.0+0x84/0x1e0 # [ 128.469848] do_el0_svc+0x30/0xa0 # [ 128.473171] el0_svc+0x20/0x30 # [ 128.476232] el0_sync_handler+0x1a4/0x1b0 # [ 128.480250] el0_sync+0x180/0x1c0 # [ 128.483576] Code: 00ce3900 ffff0008 00ce3a00 ffff0008 (d503245f) # [ 128.489685] ---[ end trace df0a09a550b05db7 ]--- # EXEC_DATA: saw 'call trace:': ok ok 30 selftests: lkdtm: EXEC_DATA.sh # selftests: lkdtm: EXEC_STACK.sh [ 128.896937] lkdtm: Performing direct entry EXEC_STACK [ 128.902062] lkdtm: attempting ok execution at ffff800010a2bdf0 [ 128.908119] lkdtm: attempting bad execution at ffff800015b13cc8 [ 128.914115] Unable to handle kernel execute from non-executable memory at virtual address ffff800015b13cc8 [ 128.923933] Mem abort info: [ 128.927071] ESR = 0x8600000f [ 128.930273] EC = 0x21: IABT (current EL), IL = 32 bits [ 128.935629] SET = 0, FnV = 0 [ 128.938721] EA = 0, S1PTW = 0 [ 128.941904] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081def000 [ 128.948694] [ffff800015b13cc8] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=00000008848a5003, pte=0068000885d44703 [ 128.961342] Internal error: Oops: 8600000f [#6] PREEMPT SMP [ 128.966927] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 128.976406] CPU: 1 PID: 1747 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 128.984165] Hardware name: ARM Juno development board (r0) (DT) [ 128.990100] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 128.996128] pc : 0xffff800015b13cc8 [ 128.999629] lr : execute_location+0x84/0xa4 [ 129.003819] sp : ffff800015b13c80 [ 129.007139] x29: ffff800015b13c80 x28: ffff0008008f6200 [ 129.012472] x27: 0000000000000000 x26: 0000000000000000 [ 129.017805] x25: ffff800011520068 x24: ffff800015b13e20 [ 129.023137] x23: 000000000000000b x22: ffff000807935000 [ 129.028469] x21: 0000000000000001 x20: ffff800010a2bdf0 [ 129.033800] x19: ffff800015b13cc8 x18: 0000000000000000 [ 129.039131] x17: 0000000000000000 x16: 0000000000000000 [ 129.044463] x15: 0000000000000030 x14: ffffffffffffffff [ 129.049794] x13: ffff800095b13967 x12: ffff800015b1396f [ 129.055125] x11: 0000000000000010 x10: ffff800012618450 [ 129.060457] x9 : ffff800010133204 x8 : ffff8000125c0450 [ 129.065788] x7 : ffff800012618450 x6 : ffff800012591000 [ 129.071120] x5 : ffff800012591c88 x4 : ffff00097ef6ec50 [ 129.076451] x3 : 0000000000000000 x2 : 0000000000000000 [ 129.081783] x1 : ffff0008008f6200 x0 : 0000000000000033 [ 129.087115] Call trace: [ 129.089566] 0xffff800015b13cc8 [ 129.092716] lkdtm_EXEC_STACK+0x34/0x5c [ 129.096565] lkdtm_do_action+0x24/0x40 [ 129.100323] direct_entry+0xd4/0x140 [ 129.103909] full_proxy_write+0x6c/0xc0 [ 129.107754] vfs_write+0xf0/0x210 [ 129.111076] ksys_write+0x74/0x100 [ 129.114484] __arm64_sys_write+0x28/0x34 [ 129.118418] el0_svc_common.constprop.0+0x84/0x1e0 [ 129.123220] do_el0_svc+0x30/0xa0 [ 129.126543] el0_svc+0x20/0x30 [ 129.129605] el0_sync_handler+0x1a4/0x1b0 [ 129.133623] el0_sync+0x180/0x1c0 [ 129.136949] Code: 10a2ae44 ffff8000 15b13d20 ffff8000 (d503245f) [ 129.143058] ---[ end trace df0a09a550b05db8 ]--- # Segmentation fault # [ 128.896937] lkdtm: Performing direct entry EXEC_STACK # [ 128.902062] lkdtm: attempting ok execution at ffff800010a2bdf0 # [ 128.908119] lkdtm: attempting bad execution at ffff800015b13cc8 # [ 128.914115] Unable to handle kernel execute from non-executable memory at virtual address ffff800015b13cc8 # [ 128.923933] Mem abort info: # [ 128.927071] ESR = 0x8600000f # [ 128.930273] EC = 0x21: IABT (current EL), IL = 32 bits # [ 128.935629] SET = 0, FnV = 0 # [ 128.938721] EA = 0, S1PTW = 0 # [ 128.941904] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081def000 # [ 128.948694] [ffff800015b13cc8] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=00000008848a5003, pte=0068000885d44703 # [ 128.961342] Internal error: Oops: 8600000f [#6] PREEMPT SMP # [ 128.966927] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 128.976406] CPU: 1 PID: 1747 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 128.984165] Hardware name: ARM Juno development board (r0) (DT) # [ 128.990100] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 128.996128] pc : 0xffff800015b13cc8 # [ 128.999629] lr : execute_location+0x84/0xa4 # [ 129.003819] sp : ffff800015b13c80 # [ 129.007139] x29: ffff800015b13c80 x28: ffff0008008f6200 # [ 129.012472] x27: 0000000000000000 x26: 0000000000000000 # [ 129.017805] x25: ffff800011520068 x24: ffff800015b13e20 # [ 129.023137] x23: 000000000000000b x22: ffff000807935000 # [ 129.028469] x21: 0000000000000001 x20: ffff800010a2bdf0 # [ 129.033800] x19: ffff800015b13cc8 x18: 0000000000000000 # [ 129.039131] x17: 0000000000000000 x16: 0000000000000000 # [ 129.044463] x15: 0000000000000030 x14: ffffffffffffffff # [ 129.049794] x13: ffff800095b13967 x12: ffff800015b1396f # [ 129.055125] x11: 0000000000000010 x10: ffff800012618450 # [ 129.060457] x9 : ffff800010133204 x8 : ffff8000125c0450 # [ 129.065788] x7 : ffff800012618450 x6 : ffff800012591000 # [ 129.071120] x5 : ffff800012591c88 x4 : ffff00097ef6ec50 # [ 129.076451] x3 : 0000000000000000 x2 : 0000000000000000 # [ 129.081783] x1 : ffff0008008f6200 x0 : 0000000000000033 # [ 129.087115] Call trace: # [ 129.089566] 0xffff800015b13cc8 # [ 129.092716] lkdtm_EXEC_STACK+0x34/0x5c # [ 129.096565] lkdtm_do_action+0x24/0x40 # [ 129.100323] direct_entry+0xd4/0x140 # [ 129.103909] full_proxy_write+0x6c/0xc0 # [ 129.107754] vfs_write+0xf0/0x210 # [ 129.111076] ksys_write+0x74/0x100 # [ 129.114484] __arm64_sys_write+0x28/0x34 # [ 129.118418] el0_svc_common.constprop.0+0x84/0x1e0 # [ 129.123220] do_el0_svc+0x30/0xa0 # [ 129.126543] el0_svc+0x20/0x30 # [ 129.129605] el0_sync_handler+0x1a4/0x1b0 # [ 129.133623] el0_sync+0x180/0x1c0 # [ 129.136949] Code: 10a2ae44 ffff8000 15b13d20 ffff8000 (d503245f) # [ 129.143058] ---[ end trace df0a09a550b05db8 ]--- # EXEC_STACK: saw 'call trace:': ok ok 31 selftests: lkdtm: EXEC_STACK.sh # selftests: lkdtm: EXEC_KMALLOC.sh [ 129.558002] lkdtm: Performing direct entry EXEC_KMALLOC [ 129.563318] lkdtm: attempting ok execution at ffff800010a2bdf0 [ 129.569435] lkdtm: attempting bad execution at ffff000804227280 [ 129.575459] Unable to handle kernel execute from non-executable memory at virtual address ffff000804227280 [ 129.585354] Mem abort info: [ 129.588170] ESR = 0x8600000f [ 129.591285] EC = 0x21: IABT (current EL), IL = 32 bits [ 129.596721] SET = 0, FnV = 0 [ 129.599798] EA = 0, S1PTW = 0 [ 129.603020] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081def000 [ 129.610007] [ffff000804227280] pgd=00000009ffff8003, p4d=00000009ffff8003, pud=00000009ffc0a003, pmd=00000009ffbe8003, pte=0068000884227707 [ 129.622744] Internal error: Oops: 8600000f [#7] PREEMPT SMP [ 129.628336] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 129.637818] CPU: 1 PID: 1789 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 129.645579] Hardware name: ARM Juno development board (r0) (DT) [ 129.651517] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 129.657545] pc : 0xffff000804227280 [ 129.661053] lr : execute_location+0x84/0xa4 [ 129.665243] sp : ffff800015bc3cc0 [ 129.668563] x29: ffff800015bc3cc0 x28: ffff0008008f4980 [ 129.673897] x27: 0000000000000000 x26: 0000000000000000 [ 129.679229] x25: ffff800011520068 x24: ffff800015bc3e20 [ 129.684561] x23: 000000000000000d x22: ffff0008028c0000 [ 129.689893] x21: 0000000000000001 x20: ffff800010a2bdf0 [ 129.695225] x19: ffff000804227280 x18: 0000000000000000 [ 129.700556] x17: 0000000000000000 x16: 0000000000000000 [ 129.705888] x15: 0000000000000030 x14: ffffffffffffffff [ 129.711220] x13: ffff800095bc39a7 x12: ffff800015bc39af [ 129.716551] x11: 0000000000000020 x10: ffff800012618450 [ 129.721883] x9 : ffff800010133204 x8 : ffff8000125c0450 [ 129.727214] x7 : ffff800012618450 x6 : ffff800012591000 [ 129.732546] x5 : ffff800012591c88 x4 : ffff00097efb2c50 [ 129.737877] x3 : 0000000000000000 x2 : 0000000000000000 [ 129.743208] x1 : ffff0008008f4980 x0 : 0000000000000033 [ 129.748540] Call trace: [ 129.750992] 0xffff000804227280 [ 129.754142] lkdtm_EXEC_KMALLOC+0x38/0x50 [ 129.758162] lkdtm_do_action+0x24/0x40 [ 129.761921] direct_entry+0xd4/0x140 [ 129.765507] full_proxy_write+0x6c/0xc0 [ 129.769352] vfs_write+0xf0/0x210 [ 129.772674] ksys_write+0x74/0x100 [ 129.776082] __arm64_sys_write+0x28/0x34 [ 129.780016] el0_svc_common.constprop.0+0x84/0x1e0 [ 129.784818] do_el0_svc+0x30/0xa0 [ 129.788141] el0_svc+0x20/0x30 [ 129.791203] el0_sync_handler+0x1a4/0x1b0 [ 129.795221] el0_sync+0x180/0x1c0 [ 129.798548] Code: 475f454c 5245564f 20524f4e 74203b5d (d503245f) [ 129.804657] ---[ end trace df0a09a550b05db9 ]--- # Segmentation fault # [ 129.558002] lkdtm: Performing direct entry EXEC_KMALLOC # [ 129.563318] lkdtm: attempting ok execution at ffff800010a2bdf0 # [ 129.569435] lkdtm: attempting bad execution at ffff000804227280 # [ 129.575459] Unable to handle kernel execute from non-executable memory at virtual address ffff000804227280 # [ 129.585354] Mem abort info: # [ 129.588170] ESR = 0x8600000f # [ 129.591285] EC = 0x21: IABT (current EL), IL = 32 bits # [ 129.596721] SET = 0, FnV = 0 # [ 129.599798] EA = 0, S1PTW = 0 # [ 129.603020] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081def000 # [ 129.610007] [ffff000804227280] pgd=00000009ffff8003, p4d=00000009ffff8003, pud=00000009ffc0a003, pmd=00000009ffbe8003, pte=0068000884227707 # [ 129.622744] Internal error: Oops: 8600000f [#7] PREEMPT SMP # [ 129.628336] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 129.637818] CPU: 1 PID: 1789 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 129.645579] Hardware name: ARM Juno development board (r0) (DT) # [ 129.651517] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 129.657545] pc : 0xffff000804227280 # [ 129.661053] lr : execute_location+0x84/0xa4 # [ 129.665243] sp : ffff800015bc3cc0 # [ 129.668563] x29: ffff800015bc3cc0 x28: ffff0008008f4980 # [ 129.673897] x27: 0000000000000000 x26: 0000000000000000 # [ 129.679229] x25: ffff800011520068 x24: ffff800015bc3e20 # [ 129.684561] x23: 000000000000000d x22: ffff0008028c0000 # [ 129.689893] x21: 0000000000000001 x20: ffff800010a2bdf0 # [ 129.695225] x19: ffff000804227280 x18: 0000000000000000 # [ 129.700556] x17: 0000000000000000 x16: 0000000000000000 # [ 129.705888] x15: 0000000000000030 x14: ffffffffffffffff # [ 129.711220] x13: ffff800095bc39a7 x12: ffff800015bc39af # [ 129.716551] x11: 0000000000000020 x10: ffff800012618450 # [ 129.721883] x9 : ffff800010133204 x8 : ffff8000125c0450 # [ 129.727214] x7 : ffff800012618450 x6 : ffff800012591000 # [ 129.732546] x5 : ffff800012591c88 x4 : ffff00097efb2c50 # [ 129.737877] x3 : 0000000000000000 x2 : 0000000000000000 # [ 129.743208] x1 : ffff0008008f4980 x0 : 0000000000000033 # [ 129.748540] Call trace: # [ 129.750992] 0xffff000804227280 # [ 129.754142] lkdtm_EXEC_KMALLOC+0x38/0x50 # [ 129.758162] lkdtm_do_action+0x24/0x40 # [ 129.761921] direct_entry+0xd4/0x140 # [ 129.765507] full_proxy_write+0x6c/0xc0 # [ 129.769352] vfs_write+0xf0/0x210 # [ 129.772674] ksys_write+0x74/0x100 # [ 129.776082] __arm64_sys_write+0x28/0x34 # [ 129.780016] el0_svc_common.constprop.0+0x84/0x1e0 # [ 129.784818] do_el0_svc+0x30/0xa0 # [ 129.788141] el0_svc+0x20/0x30 # [ 129.791203] el0_sync_handler+0x1a4/0x1b0 # [ 129.795221] el0_sync+0x180/0x1c0 # [ 129.798548] Code: 475f454c 5245564f 20524f4e 74203b5d (d503245f) # [ 129.804657] ---[ end trace df0a09a550b05db9 ]--- # EXEC_KMALLOC: saw 'call trace:': ok ok 32 selftests: lkdtm: EXEC_KMALLOC.sh # selftests: lkdtm: EXEC_VMALLOC.sh [ 130.206372] lkdtm: Performing direct entry EXEC_VMALLOC [ 130.211711] lkdtm: attempting ok execution at ffff800010a2bdf0 [ 130.217809] lkdtm: attempting bad execution at ffff800013ba5000 [ 130.223821] Unable to handle kernel execute from non-executable memory at virtual address ffff800013ba5000 [ 130.233705] Mem abort info: [ 130.236519] ESR = 0x8600000f [ 130.239728] EC = 0x21: IABT (current EL), IL = 32 bits [ 130.245121] SET = 0, FnV = 0 [ 130.248189] EA = 0, S1PTW = 0 [ 130.251385] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081def000 [ 130.258195] [ffff800013ba5000] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=00000008809f0003, pte=0068000883d1e703 [ 130.270839] Internal error: Oops: 8600000f [#8] PREEMPT SMP [ 130.276429] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 130.285904] CPU: 1 PID: 1831 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 130.293662] Hardware name: ARM Juno development board (r0) (DT) [ 130.299598] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 130.305625] pc : 0xffff800013ba5000 [ 130.309128] lr : execute_location+0x84/0xa4 [ 130.313322] sp : ffff800015c6bcc0 [ 130.316643] x29: ffff800015c6bcc0 x28: ffff0008030b3100 [ 130.321976] x27: 0000000000000000 x26: 0000000000000000 [ 130.327309] x25: ffff800011520068 x24: ffff800015c6be20 [ 130.332640] x23: 000000000000000d x22: ffff000803d1e000 [ 130.337972] x21: 0000000000000001 x20: ffff800010a2bdf0 [ 130.343303] x19: ffff800013ba5000 x18: 0000000000000000 [ 130.348635] x17: 0000000000000000 x16: 0000000000000000 [ 130.353966] x15: 0000000000000030 x14: ffffffffffffffff [ 130.359297] x13: ffff800095c6b9a7 x12: ffff800015c6b9af [ 130.364628] x11: ffff800013bb5000 x10: ffff800012618450 [ 130.369960] x9 : ffff800010133204 x8 : ffff8000125c0450 [ 130.375291] x7 : ffff800012618450 x6 : ffff800012591000 [ 130.380622] x5 : ffff800012591c88 x4 : ffff00097ef08c50 [ 130.385953] x3 : 0000000000000000 x2 : 0000000000000000 [ 130.391284] x1 : ffff0008030b3100 x0 : 0000000000000033 [ 130.396616] Call trace: [ 130.399067] 0xffff800013ba5000 [ 130.402217] lkdtm_EXEC_VMALLOC+0x30/0x50 [ 130.406237] lkdtm_do_action+0x24/0x40 [ 130.409995] direct_entry+0xd4/0x140 [ 130.413581] full_proxy_write+0x6c/0xc0 [ 130.417426] vfs_write+0xf0/0x210 [ 130.420748] ksys_write+0x74/0x100 [ 130.424156] __arm64_sys_write+0x28/0x34 [ 130.428091] el0_svc_common.constprop.0+0x84/0x1e0 [ 130.432893] do_el0_svc+0x30/0xa0 [ 130.436215] el0_svc+0x20/0x30 [ 130.439277] el0_sync_handler+0x1a4/0x1b0 [ 130.443295] el0_sync+0x180/0x1c0 [ 130.446621] Code: bad PC value [ 130.449685] ---[ end trace df0a09a550b05dba ]--- # Segmentation fault # [ 130.206372] lkdtm: Performing direct entry EXEC_VMALLOC # [ 130.211711] lkdtm: attempting ok execution at ffff800010a2bdf0 # [ 130.217809] lkdtm: attempting bad execution at ffff800013ba5000 # [ 130.223821] Unable to handle kernel execute from non-executable memory at virtual address ffff800013ba5000 # [ 130.233705] Mem abort info: # [ 130.236519] ESR = 0x8600000f # [ 130.239728] EC = 0x21: IABT (current EL), IL = 32 bits # [ 130.245121] SET = 0, FnV = 0 # [ 130.248189] EA = 0, S1PTW = 0 # [ 130.251385] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081def000 # [ 130.258195] [ffff800013ba5000] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=00000008809f0003, pte=0068000883d1e703 # [ 130.270839] Internal error: Oops: 8600000f [#8] PREEMPT SMP # [ 130.276429] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 130.285904] CPU: 1 PID: 1831 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 130.293662] Hardware name: ARM Juno development board (r0) (DT) # [ 130.299598] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 130.305625] pc : 0xffff800013ba5000 # [ 130.309128] lr : execute_location+0x84/0xa4 # [ 130.313322] sp : ffff800015c6bcc0 # [ 130.316643] x29: ffff800015c6bcc0 x28: ffff0008030b3100 # [ 130.321976] x27: 0000000000000000 x26: 0000000000000000 # [ 130.327309] x25: ffff800011520068 x24: ffff800015c6be20 # [ 130.332640] x23: 000000000000000d x22: ffff000803d1e000 # [ 130.337972] x21: 0000000000000001 x20: ffff800010a2bdf0 # [ 130.343303] x19: ffff800013ba5000 x18: 0000000000000000 # [ 130.348635] x17: 0000000000000000 x16: 0000000000000000 # [ 130.353966] x15: 0000000000000030 x14: ffffffffffffffff # [ 130.359297] x13: ffff800095c6b9a7 x12: ffff800015c6b9af # [ 130.364628] x11: ffff800013bb5000 x10: ffff800012618450 # [ 130.369960] x9 : ffff800010133204 x8 : ffff8000125c0450 # [ 130.375291] x7 : ffff800012618450 x6 : ffff800012591000 # [ 130.380622] x5 : ffff800012591c88 x4 : ffff00097ef08c50 # [ 130.385953] x3 : 0000000000000000 x2 : 0000000000000000 # [ 130.391284] x1 : ffff0008030b3100 x0 : 0000000000000033 # [ 130.396616] Call trace: # [ 130.399067] 0xffff800013ba5000 # [ 130.402217] lkdtm_EXEC_VMALLOC+0x30/0x50 # [ 130.406237] lkdtm_do_action+0x24/0x40 # [ 130.409995] direct_entry+0xd4/0x140 # [ 130.413581] full_proxy_write+0x6c/0xc0 # [ 130.417426] vfs_write+0xf0/0x210 # [ 130.420748] ksys_write+0x74/0x100 # [ 130.424156] __arm64_sys_write+0x28/0x34 # [ 130.428091] el0_svc_common.constprop.0+0x84/0x1e0 # [ 130.432893] do_el0_svc+0x30/0xa0 # [ 130.436215] el0_svc+0x20/0x30 # [ 130.439277] el0_sync_handler+0x1a4/0x1b0 # [ 130.443295] el0_sync+0x180/0x1c0 # [ 130.446621] Code: bad PC value # [ 130.449685] ---[ end trace df0a09a550b05dba ]--- # EXEC_VMALLOC: saw 'call trace:': ok ok 33 selftests: lkdtm: EXEC_VMALLOC.sh # selftests: lkdtm: EXEC_RODATA.sh [ 130.852104] lkdtm: Performing direct entry EXEC_RODATA [ 130.857344] lkdtm: attempting ok execution at ffff800010a2bdf0 [ 130.863261] lkdtm: attempting bad execution at ffff800011520560 [ 130.869266] Unable to handle kernel execute from non-executable memory at virtual address ffff800011520560 [ 130.879187] Mem abort info: [ 130.882060] ESR = 0x8600000e [ 130.885152] EC = 0x21: IABT (current EL), IL = 32 bits [ 130.890504] SET = 0, FnV = 0 [ 130.893588] EA = 0, S1PTW = 0 [ 130.896762] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081def000 [ 130.903553] [ffff800011520560] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=0060000081600781 [ 130.914275] Internal error: Oops: 8600000e [#9] PREEMPT SMP [ 130.919866] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 130.929341] CPU: 1 PID: 1873 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 130.937100] Hardware name: ARM Juno development board (r0) (DT) [ 130.943040] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 130.949071] pc : lkdtm_rodata_do_nothing+0x0/0x10 [ 130.953796] lr : execute_location+0x84/0xa4 [ 130.957986] sp : ffff800015d0bcd0 [ 130.961307] x29: ffff800015d0bcd0 x28: ffff0008065a1880 [ 130.966640] x27: 0000000000000000 x26: 0000000000000000 [ 130.971971] x25: ffff800011520068 x24: ffff800015d0be20 [ 130.977303] x23: 000000000000000c x22: ffff000804fc7000 [ 130.982635] x21: 0000000000000000 x20: ffff800010a2bdf0 [ 130.987967] x19: ffff800011520560 x18: 0000000000000000 [ 130.993298] x17: 0000000000000000 x16: 0000000000000000 [ 130.998629] x15: 0000000000000030 x14: ffffffffffffffff [ 131.003960] x13: ffff800095d0b9b7 x12: ffff800015d0b9bf [ 131.009292] x11: 0000000000000018 x10: ffff800012618450 [ 131.014623] x9 : ffff800010133204 x8 : ffff8000125c0450 [ 131.019955] x7 : ffff800012618450 x6 : ffff800012591000 [ 131.025287] x5 : ffff800012591c88 x4 : ffff00097ef08c50 [ 131.030618] x3 : 0000000000000000 x2 : 0000000000000000 [ 131.035949] x1 : ffff0008065a1880 x0 : 0000000000000033 [ 131.041281] Call trace: [ 131.043735] lkdtm_rodata_do_nothing+0x0/0x10 [ 131.048103] lkdtm_EXEC_RODATA+0x28/0x34 [ 131.052038] lkdtm_do_action+0x24/0x40 [ 131.055796] direct_entry+0xd4/0x140 [ 131.059382] full_proxy_write+0x6c/0xc0 [ 131.063228] vfs_write+0xf0/0x210 [ 131.066550] ksys_write+0x74/0x100 [ 131.069959] __arm64_sys_write+0x28/0x34 [ 131.073893] el0_svc_common.constprop.0+0x84/0x1e0 [ 131.078695] do_el0_svc+0x30/0xa0 [ 131.082018] el0_svc+0x20/0x30 [ 131.085081] el0_sync_handler+0x1a4/0x1b0 [ 131.089099] el0_sync+0x180/0x1c0 [ 131.092426] Code: 00000074 00000000 aa55aa55 00000000 (d503233f) [ 131.098536] ---[ end trace df0a09a550b05dbb ]--- # Segmentation fault # [ 130.852104] lkdtm: Performing direct entry EXEC_RODATA # [ 130.857344] lkdtm: attempting ok execution at ffff800010a2bdf0 # [ 130.863261] lkdtm: attempting bad execution at ffff800011520560 # [ 130.869266] Unable to handle kernel execute from non-executable memory at virtual address ffff800011520560 # [ 130.879187] Mem abort info: # [ 130.882060] ESR = 0x8600000e # [ 130.885152] EC = 0x21: IABT (current EL), IL = 32 bits # [ 130.890504] SET = 0, FnV = 0 # [ 130.893588] EA = 0, S1PTW = 0 # [ 130.896762] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081def000 # [ 130.903553] [ffff800011520560] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=0060000081600781 # [ 130.914275] Internal error: Oops: 8600000e [#9] PREEMPT SMP # [ 130.919866] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 130.929341] CPU: 1 PID: 1873 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 130.937100] Hardware name: ARM Juno development board (r0) (DT) # [ 130.943040] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 130.949071] pc : lkdtm_rodata_do_nothing+0x0/0x10 # [ 130.953796] lr : execute_location+0x84/0xa4 # [ 130.957986] sp : ffff800015d0bcd0 # [ 130.961307] x29: ffff800015d0bcd0 x28: ffff0008065a1880 # [ 130.966640] x27: 0000000000000000 x26: 0000000000000000 # [ 130.971971] x25: ffff800011520068 x24: ffff800015d0be20 # [ 130.977303] x23: 000000000000000c x22: ffff000804fc7000 # [ 130.982635] x21: 0000000000000000 x20: ffff800010a2bdf0 # [ 130.987967] x19: ffff800011520560 x18: 0000000000000000 # [ 130.993298] x17: 0000000000000000 x16: 0000000000000000 # [ 130.998629] x15: 0000000000000030 x14: ffffffffffffffff # [ 131.003960] x13: ffff800095d0b9b7 x12: ffff800015d0b9bf # [ 131.009292] x11: 0000000000000018 x10: ffff800012618450 # [ 131.014623] x9 : ffff800010133204 x8 : ffff8000125c0450 # [ 131.019955] x7 : ffff800012618450 x6 : ffff800012591000 # [ 131.025287] x5 : ffff800012591c88 x4 : ffff00097ef08c50 # [ 131.030618] x3 : 0000000000000000 x2 : 0000000000000000 # [ 131.035949] x1 : ffff0008065a1880 x0 : 0000000000000033 # [ 131.041281] Call trace: # [ 131.043735] lkdtm_rodata_do_nothing+0x0/0x10 # [ 131.048103] lkdtm_EXEC_RODATA+0x28/0x34 # [ 131.052038] lkdtm_do_action+0x24/0x40 # [ 131.055796] direct_entry+0xd4/0x140 # [ 131.059382] full_proxy_write+0x6c/0xc0 # [ 131.063228] vfs_write+0xf0/0x210 # [ 131.066550] ksys_write+0x74/0x100 # [ 131.069959] __arm64_sys_write+0x28/0x34 # [ 131.073893] el0_svc_common.constprop.0+0x84/0x1e0 # [ 131.078695] do_el0_svc+0x30/0xa0 # [ 131.082018] el0_svc+0x20/0x30 # [ 131.085081] el0_sync_handler+0x1a4/0x1b0 # [ 131.089099] el0_sync+0x180/0x1c0 # [ 131.092426] Code: 00000074 00000000 aa55aa55 00000000 (d503233f) # [ 131.098536] ---[ end trace df0a09a550b05dbb ]--- # EXEC_RODATA: saw 'call trace:': ok ok 34 selftests: lkdtm: EXEC_RODATA.sh # selftests: lkdtm: EXEC_USERSPACE.sh [ 131.531959] lkdtm: Performing direct entry EXEC_USERSPACE [ 131.537473] lkdtm: attempting ok execution at ffff800010a2bdf0 [ 131.543470] lkdtm: attempting bad execution at 0000ffffa8f1a000 [ 131.549472] Unable to handle kernel execution of user memory at virtual address 0000ffffa8f1a000 [ 131.558409] Mem abort info: [ 131.564678] ESR = 0x8600000f [ 131.567753] EC = 0x21: IABT (current EL), IL = 32 bits [ 131.573137] SET = 0, FnV = 0 [ 131.576203] EA = 0, S1PTW = 0 [ 131.579386] user pgtable: 4k pages, 48-bit VAs, pgdp=00000008856f3000 [ 131.585868] [0000ffffa8f1a000] pgd=0000000885099003, p4d=0000000885099003, pud=0000000885876003, pmd=0000000887be6003, pte=00a8000896052f43 [ 131.598511] Internal error: Oops: 8600000f [#10] PREEMPT SMP [ 131.604186] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 131.613661] CPU: 2 PID: 1915 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 131.621425] Hardware name: ARM Juno development board (r0) (DT) [ 131.627363] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 131.633385] pc : 0xffffa8f1a000 [ 131.636537] lr : lkdtm_EXEC_USERSPACE+0xe4/0xf4 [ 131.641075] sp : ffff800015dabcf0 [ 131.644395] x29: ffff800015dabcf0 x28: ffff000805836200 [ 131.649728] x27: 0000000000000000 x26: 0000000000000000 [ 131.655060] x25: ffff800011520068 x24: ffff800015dabe20 [ 131.660392] x23: 000000000000000f x22: ffff0008073be000 [ 131.665723] x21: ffff800011a34b60 x20: ffff800010a2bdf0 [ 131.671054] x19: 0000ffffa8f1a000 x18: 0000000000000000 [ 131.676386] x17: 0000000000000000 x16: 0000000000000000 [ 131.681717] x15: 0000000000000030 x14: ffffffffffffffff [ 131.687048] x13: ffff800095dab9d7 x12: ffff800015dab9df [ 131.692379] x11: aa1e03e9d503245f x10: ffff800012618450 [ 131.697711] x9 : ffff800010133204 x8 : ffff8000125c0450 [ 131.703043] x7 : ffff800012618450 x6 : ffff800012591000 [ 131.708374] x5 : ffff800012591c88 x4 : ffff00097efb2c50 [ 131.713705] x3 : 0000000000000000 x2 : 0000000000000000 [ 131.719036] x1 : ffff000805836200 x0 : 0000000000000033 [ 131.724368] Call trace: [ 131.726820] 0xffffa8f1a000 [ 131.729622] lkdtm_do_action+0x24/0x40 [ 131.733381] direct_entry+0xd4/0x140 [ 131.736967] full_proxy_write+0x6c/0xc0 [ 131.740812] vfs_write+0xf0/0x210 [ 131.744134] ksys_write+0x74/0x100 [ 131.747542] __arm64_sys_write+0x28/0x34 [ 131.751476] el0_svc_common.constprop.0+0x84/0x1e0 [ 131.756278] do_el0_svc+0x30/0xa0 [ 131.759603] el0_svc+0x20/0x30 [ 131.762665] el0_sync_handler+0x1a4/0x1b0 [ 131.766683] el0_sync+0x180/0x1c0 [ 131.770009] Code: bad PC value [ 131.773072] ---[ end trace df0a09a550b05dbc ]--- # Segmentation fault # [ 131.531959] lkdtm: Performing direct entry EXEC_USERSPACE # [ 131.537473] lkdtm: attempting ok execution at ffff800010a2bdf0 # [ 131.543470] lkdtm: attempting bad execution at 0000ffffa8f1a000 # [ 131.549472] Unable to handle kernel execution of user memory at virtual address 0000ffffa8f1a000 # [ 131.558409] Mem abort info: # [ 131.564678] ESR = 0x8600000f # [ 131.567753] EC = 0x21: IABT (current EL), IL = 32 bits # [ 131.573137] SET = 0, FnV = 0 # [ 131.576203] EA = 0, S1PTW = 0 # [ 131.579386] user pgtable: 4k pages, 48-bit VAs, pgdp=00000008856f3000 # [ 131.585868] [0000ffffa8f1a000] pgd=0000000885099003, p4d=0000000885099003, pud=0000000885876003, pmd=0000000887be6003, pte=00a8000896052f43 # [ 131.598511] Internal error: Oops: 8600000f [#10] PREEMPT SMP # [ 131.604186] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 131.613661] CPU: 2 PID: 1915 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 131.621425] Hardware name: ARM Juno development board (r0) (DT) # [ 131.627363] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 131.633385] pc : 0xffffa8f1a000 # [ 131.636537] lr : lkdtm_EXEC_USERSPACE+0xe4/0xf4 # [ 131.641075] sp : ffff800015dabcf0 # [ 131.644395] x29: ffff800015dabcf0 x28: ffff000805836200 # [ 131.649728] x27: 0000000000000000 x26: 0000000000000000 # [ 131.655060] x25: ffff800011520068 x24: ffff800015dabe20 # [ 131.660392] x23: 000000000000000f x22: ffff0008073be000 # [ 131.665723] x21: ffff800011a34b60 x20: ffff800010a2bdf0 # [ 131.671054] x19: 0000ffffa8f1a000 x18: 0000000000000000 # [ 131.676386] x17: 0000000000000000 x16: 0000000000000000 # [ 131.681717] x15: 0000000000000030 x14: ffffffffffffffff # [ 131.687048] x13: ffff800095dab9d7 x12: ffff800015dab9df # [ 131.692379] x11: aa1e03e9d503245f x10: ffff800012618450 # [ 131.697711] x9 : ffff800010133204 x8 : ffff8000125c0450 # [ 131.703043] x7 : ffff800012618450 x6 : ffff800012591000 # [ 131.708374] x5 : ffff800012591c88 x4 : ffff00097efb2c50 # [ 131.713705] x3 : 0000000000000000 x2 : 0000000000000000 # [ 131.719036] x1 : ffff000805836200 x0 : 0000000000000033 # [ 131.724368] Call trace: # [ 131.726820] 0xffffa8f1a000 # [ 131.729622] lkdtm_do_action+0x24/0x40 # [ 131.733381] direct_entry+0xd4/0x140 # [ 131.736967] full_proxy_write+0x6c/0xc0 # [ 131.740812] vfs_write+0xf0/0x210 # [ 131.744134] ksys_write+0x74/0x100 # [ 131.747542] __arm64_sys_write+0x28/0x34 # [ 131.751476] el0_svc_common.constprop.0+0x84/0x1e0 # [ 131.756278] do_el0_svc+0x30/0xa0 # [ 131.759603] el0_svc+0x20/0x30 # [ 131.762665] el0_sync_handler+0x1a4/0x1b0 # [ 131.766683] el0_sync+0x180/0x1c0 # [ 131.770009] Code: bad PC value # [ 131.773072] ---[ end trace df0a09a550b05dbc ]--- # EXEC_USERSPACE: saw 'call trace:': ok ok 35 selftests: lkdtm: EXEC_USERSPACE.sh # selftests: lkdtm: EXEC_NULL.sh [ 132.224525] lkdtm: Performing direct entry EXEC_NULL [ 132.229584] lkdtm: attempting ok execution at ffff800010a2bdf0 [ 132.235500] lkdtm: attempting bad execution at 0000000000000000 [ 132.241501] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000 [ 132.250433] Mem abort info: [ 132.253395] ESR = 0x86000004 [ 132.256467] EC = 0x21: IABT (current EL), IL = 32 bits [ 132.261934] SET = 0, FnV = 0 [ 132.265072] EA = 0, S1PTW = 0 [ 132.268228] user pgtable: 4k pages, 48-bit VAs, pgdp=00000008879d6000 [ 132.274713] [0000000000000000] pgd=0000000000000000, p4d=0000000000000000 [ 132.281567] Internal error: Oops: 86000004 [#11] PREEMPT SMP [ 132.287248] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 132.296726] CPU: 1 PID: 1957 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 132.304485] Hardware name: ARM Juno development board (r0) (DT) [ 132.310419] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 132.316444] pc : 0x0 [ 132.318644] lr : execute_location+0x84/0xa4 [ 132.322837] sp : ffff800015e4bcd0 [ 132.326162] x29: ffff800015e4bcd0 x28: ffff000803fe9880 [ 132.331499] x27: 0000000000000000 x26: 0000000000000000 [ 132.336838] x25: ffff800011520068 x24: ffff800015e4be20 [ 132.342172] x23: 000000000000000a x22: ffff000803edf000 [ 132.347504] x21: 0000000000000000 x20: ffff800010a2bdf0 [ 132.352835] x19: 0000000000000000 x18: 0000000000000000 [ 132.358167] x17: 0000000000000000 x16: 0000000000000000 [ 132.363498] x15: 0000000000000030 x14: ffffffffffffffff [ 132.368830] x13: ffff800095e4b9b7 x12: ffff800015e4b9bf [ 132.374162] x11: 0000000000000008 x10: ffff800012618450 [ 132.379493] x9 : ffff800010133204 x8 : ffff8000125c0450 [ 132.384825] x7 : ffff800012618450 x6 : ffff800012591000 [ 132.390157] x5 : ffff800012591c88 x4 : ffff00097ef6ec50 [ 132.395489] x3 : 0000000000000000 x2 : 0000000000000000 [ 132.400821] x1 : ffff000803fe9880 x0 : 0000000000000033 [ 132.406153] Call trace: [ 132.408605] 0x0 [ 132.410450] lkdtm_EXEC_NULL+0x24/0x30 [ 132.414211] lkdtm_do_action+0x24/0x40 [ 132.417969] direct_entry+0xd4/0x140 [ 132.421555] full_proxy_write+0x6c/0xc0 [ 132.425400] vfs_write+0xf0/0x210 [ 132.428722] ksys_write+0x74/0x100 [ 132.432130] __arm64_sys_write+0x28/0x34 [ 132.436064] el0_svc_common.constprop.0+0x84/0x1e0 [ 132.440867] do_el0_svc+0x30/0xa0 [ 132.444189] el0_svc+0x20/0x30 [ 132.447252] el0_sync_handler+0x1a4/0x1b0 [ 132.451270] el0_sync+0x180/0x1c0 [ 132.454597] Code: bad PC value [ 132.457661] ---[ end trace df0a09a550b05dbd ]--- # Segmentation fault # [ 132.224525] lkdtm: Performing direct entry EXEC_NULL # [ 132.229584] lkdtm: attempting ok execution at ffff800010a2bdf0 # [ 132.235500] lkdtm: attempting bad execution at 0000000000000000 # [ 132.241501] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000 # [ 132.250433] Mem abort info: # [ 132.253395] ESR = 0x86000004 # [ 132.256467] EC = 0x21: IABT (current EL), IL = 32 bits # [ 132.261934] SET = 0, FnV = 0 # [ 132.265072] EA = 0, S1PTW = 0 # [ 132.268228] user pgtable: 4k pages, 48-bit VAs, pgdp=00000008879d6000 # [ 132.274713] [0000000000000000] pgd=0000000000000000, p4d=0000000000000000 # [ 132.281567] Internal error: Oops: 86000004 [#11] PREEMPT SMP # [ 132.287248] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 132.296726] CPU: 1 PID: 1957 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 132.304485] Hardware name: ARM Juno development board (r0) (DT) # [ 132.310419] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 132.316444] pc : 0x0 # [ 132.318644] lr : execute_location+0x84/0xa4 # [ 132.322837] sp : ffff800015e4bcd0 # [ 132.326162] x29: ffff800015e4bcd0 x28: ffff000803fe9880 # [ 132.331499] x27: 0000000000000000 x26: 0000000000000000 # [ 132.336838] x25: ffff800011520068 x24: ffff800015e4be20 # [ 132.342172] x23: 000000000000000a x22: ffff000803edf000 # [ 132.347504] x21: 0000000000000000 x20: ffff800010a2bdf0 # [ 132.352835] x19: 0000000000000000 x18: 0000000000000000 # [ 132.358167] x17: 0000000000000000 x16: 0000000000000000 # [ 132.363498] x15: 0000000000000030 x14: ffffffffffffffff # [ 132.368830] x13: ffff800095e4b9b7 x12: ffff800015e4b9bf # [ 132.374162] x11: 0000000000000008 x10: ffff800012618450 # [ 132.379493] x9 : ffff800010133204 x8 : ffff8000125c0450 # [ 132.384825] x7 : ffff800012618450 x6 : ffff800012591000 # [ 132.390157] x5 : ffff800012591c88 x4 : ffff00097ef6ec50 # [ 132.395489] x3 : 0000000000000000 x2 : 0000000000000000 # [ 132.400821] x1 : ffff000803fe9880 x0 : 0000000000000033 # [ 132.406153] Call trace: # [ 132.408605] 0x0 # [ 132.410450] lkdtm_EXEC_NULL+0x24/0x30 # [ 132.414211] lkdtm_do_action+0x24/0x40 # [ 132.417969] direct_entry+0xd4/0x140 # [ 132.421555] full_proxy_write+0x6c/0xc0 # [ 132.425400] vfs_write+0xf0/0x210 # [ 132.428722] ksys_write+0x74/0x100 # [ 132.432130] __arm64_sys_write+0x28/0x34 # [ 132.436064] el0_svc_common.constprop.0+0x84/0x1e0 # [ 132.440867] do_el0_svc+0x30/0xa0 # [ 132.444189] el0_svc+0x20/0x30 # [ 132.447252] el0_sync_handler+0x1a4/0x1b0 # [ 132.451270] el0_sync+0x180/0x1c0 # [ 132.454597] Code: bad PC value # [ 132.457661] ---[ end trace df0a09a550b05dbd ]--- # EXEC_NULL: saw 'call trace:': ok ok 36 selftests: lkdtm: EXEC_NULL.sh # selftests: lkdtm: ACCESS_USERSPACE.sh [ 132.871306] lkdtm: Performing direct entry ACCESS_USERSPACE [ 132.877055] lkdtm: attempting bad read at 0000ffff9d4b5000 [ 132.882621] lkdtm: FAIL: survived bad read [ 132.886866] lkdtm: attempting bad write at 0000ffff9d4b5000 [ 132.892538] lkdtm: FAIL: survived bad write # [ 132.871306] lkdtm: Performing direct entry ACCESS_USERSPACE # [ 132.877055] lkdtm: attempting bad read at 0000ffff9d4b5000 # [ 132.882621] lkdtm: FAIL: survived bad read # [ 132.886866] lkdtm: attempting bad write at 0000ffff9d4b5000 # [ 132.892538] 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 [ 133.335387] lkdtm: Performing direct entry ACCESS_NULL [ 133.340636] lkdtm: attempting bad read at 0000000000000000 [ 133.346224] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000 [ 133.355110] Mem abort info: [ 133.358449] ESR = 0x96000004 [ 133.361637] EC = 0x25: DABT (current EL), IL = 32 bits [ 133.366984] SET = 0, FnV = 0 [ 133.370065] EA = 0, S1PTW = 0 [ 133.373234] Data abort info: [ 133.376125] ISV = 0, ISS = 0x00000004 [ 133.380010] CM = 0, WnR = 0 [ 133.383007] user pgtable: 4k pages, 48-bit VAs, pgdp=00000008830d4000 [ 133.389481] [0000000000000000] pgd=0000000000000000, p4d=0000000000000000 [ 133.396327] Internal error: Oops: 96000004 [#12] PREEMPT SMP [ 133.402005] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 133.411482] CPU: 1 PID: 2033 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 133.419245] Hardware name: ARM Juno development board (r0) (DT) [ 133.425180] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 133.431209] pc : lkdtm_ACCESS_NULL+0x38/0x7c [ 133.435493] lr : lkdtm_ACCESS_NULL+0x30/0x7c [ 133.439770] sp : ffff800015f9bcf0 [ 133.443090] x29: ffff800015f9bcf0 x28: ffff000805d06200 [ 133.448425] x27: 0000000000000000 x26: 0000000000000000 [ 133.453760] x25: ffff800011520068 x24: ffff800015f9be20 [ 133.459098] x23: 000000000000000c x22: ffff0008065ee000 [ 133.464436] x21: ffff800011a34b98 x20: 0000000000000000 [ 133.469768] x19: 0000000000000027 x18: 0000000000000000 [ 133.475100] x17: 0000000000000000 x16: 0000000000000000 [ 133.480431] x15: 0000000000000030 x14: ffffffffffffffff [ 133.485763] x13: ffff800095f9b9d7 x12: ffff800015f9b9df [ 133.491094] x11: 0000000000000018 x10: ffff800012618450 [ 133.496426] x9 : ffff800010133204 x8 : ffff8000125c0450 [ 133.501758] x7 : ffff800012618450 x6 : ffff800012591000 [ 133.507089] x5 : ffff800012591c88 x4 : ffff00097efb2c50 [ 133.512421] x3 : 0000000000000000 x2 : 0000000000000000 [ 133.517752] x1 : 000000000000c0de x0 : ffff800011a35000 [ 133.523084] Call trace: [ 133.525538] lkdtm_ACCESS_NULL+0x38/0x7c [ 133.529473] lkdtm_do_action+0x24/0x40 [ 133.533231] direct_entry+0xd4/0x140 [ 133.536817] full_proxy_write+0x6c/0xc0 [ 133.540662] vfs_write+0xf0/0x210 [ 133.543983] ksys_write+0x74/0x100 [ 133.547392] __arm64_sys_write+0x28/0x34 [ 133.551326] el0_svc_common.constprop.0+0x84/0x1e0 [ 133.556128] do_el0_svc+0x30/0xa0 [ 133.559452] el0_svc+0x20/0x30 [ 133.562513] el0_sync_handler+0x1a4/0x1b0 [ 133.566531] el0_sync+0x180/0x1c0 [ 133.569858] Code: 91302000 97ffdf1a d2981bc1 90003de0 (f9400293) [ 133.575967] ---[ end trace df0a09a550b05dbe ]--- # Segmentation fault # [ 133.335387] lkdtm: Performing direct entry ACCESS_NULL # [ 133.340636] lkdtm: attempting bad read at 0000000000000000 # [ 133.346224] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000 # [ 133.355110] Mem abort info: # [ 133.358449] ESR = 0x96000004 # [ 133.361637] EC = 0x25: DABT (current EL), IL = 32 bits # [ 133.366984] SET = 0, FnV = 0 # [ 133.370065] EA = 0, S1PTW = 0 # [ 133.373234] Data abort info: # [ 133.376125] ISV = 0, ISS = 0x00000004 # [ 133.380010] CM = 0, WnR = 0 # [ 133.383007] user pgtable: 4k pages, 48-bit VAs, pgdp=00000008830d4000 # [ 133.389481] [0000000000000000] pgd=0000000000000000, p4d=0000000000000000 # [ 133.396327] Internal error: Oops: 96000004 [#12] PREEMPT SMP # [ 133.402005] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 133.411482] CPU: 1 PID: 2033 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 133.419245] Hardware name: ARM Juno development board (r0) (DT) # [ 133.425180] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 133.431209] pc : lkdtm_ACCESS_NULL+0x38/0x7c # [ 133.435493] lr : lkdtm_ACCESS_NULL+0x30/0x7c # [ 133.439770] sp : ffff800015f9bcf0 # [ 133.443090] x29: ffff800015f9bcf0 x28: ffff000805d06200 # [ 133.448425] x27: 0000000000000000 x26: 0000000000000000 # [ 133.453760] x25: ffff800011520068 x24: ffff800015f9be20 # [ 133.459098] x23: 000000000000000c x22: ffff0008065ee000 # [ 133.464436] x21: ffff800011a34b98 x20: 0000000000000000 # [ 133.469768] x19: 0000000000000027 x18: 0000000000000000 # [ 133.475100] x17: 0000000000000000 x16: 0000000000000000 # [ 133.480431] x15: 0000000000000030 x14: ffffffffffffffff # [ 133.485763] x13: ffff800095f9b9d7 x12: ffff800015f9b9df # [ 133.491094] x11: 0000000000000018 x10: ffff800012618450 # [ 133.496426] x9 : ffff800010133204 x8 : ffff8000125c0450 # [ 133.501758] x7 : ffff800012618450 x6 : ffff800012591000 # [ 133.507089] x5 : ffff800012591c88 x4 : ffff00097efb2c50 # [ 133.512421] x3 : 0000000000000000 x2 : 0000000000000000 # [ 133.517752] x1 : 000000000000c0de x0 : ffff800011a35000 # [ 133.523084] Call trace: # [ 133.525538] lkdtm_ACCESS_NULL+0x38/0x7c # [ 133.529473] lkdtm_do_action+0x24/0x40 # [ 133.533231] direct_entry+0xd4/0x140 # [ 133.536817] full_proxy_write+0x6c/0xc0 # [ 133.540662] vfs_write+0xf0/0x210 # [ 133.543983] ksys_write+0x74/0x100 # [ 133.547392] __arm64_sys_write+0x28/0x34 # [ 133.551326] el0_svc_common.constprop.0+0x84/0x1e0 # [ 133.556128] do_el0_svc+0x30/0xa0 # [ 133.559452] el0_svc+0x20/0x30 # [ 133.562513] el0_sync_handler+0x1a4/0x1b0 # [ 133.566531] el0_sync+0x180/0x1c0 # [ 133.569858] Code: 91302000 97ffdf1a d2981bc1 90003de0 (f9400293) # [ 133.575967] ---[ end trace df0a09a550b05dbe ]--- # ACCESS_NULL: saw 'call trace:': ok ok 38 selftests: lkdtm: ACCESS_NULL.sh # selftests: lkdtm: WRITE_RO.sh [ 134.036649] lkdtm: Performing direct entry WRITE_RO [ 134.041599] lkdtm: attempting bad rodata write at ffff800011520558 [ 134.047872] Unable to handle kernel write to read-only memory at virtual address ffff800011520558 [ 134.056944] Mem abort info: [ 134.059790] ESR = 0x9600004e [ 134.063001] EC = 0x25: DABT (current EL), IL = 32 bits [ 134.068359] SET = 0, FnV = 0 [ 134.071447] EA = 0, S1PTW = 0 [ 134.074647] Data abort info: [ 134.077576] ISV = 0, ISS = 0x0000004e [ 134.081450] CM = 0, WnR = 1 [ 134.084460] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081def000 [ 134.091217] [ffff800011520558] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=0060000081600781 [ 134.101987] Internal error: Oops: 9600004e [#13] PREEMPT SMP [ 134.107660] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 134.117137] CPU: 1 PID: 2078 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 134.124900] Hardware name: ARM Juno development board (r0) (DT) [ 134.130837] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 134.136869] pc : lkdtm_WRITE_RO+0x48/0x60 [ 134.140888] lr : lkdtm_WRITE_RO+0x30/0x60 [ 134.144904] sp : ffff800016063cf0 [ 134.148229] x29: ffff800016063cf0 x28: ffff00080281e200 [ 134.153562] x27: 0000000000000000 x26: 0000000000000000 [ 134.158895] x25: ffff800011520068 x24: ffff800016063e20 [ 134.164229] x23: 0000000000000009 x22: ffff0008065f5000 [ 134.169563] x21: ffff800011a34ba8 x20: ffff8000115202e8 [ 134.174896] x19: ffff800011520000 x18: 0000000000000001 [ 134.180228] x17: 0000000000000000 x16: 0000000000000000 [ 134.185559] x15: 0000000000000030 x14: ffffffffffffffff [ 134.190890] x13: ffff8000960639d7 x12: ffff8000160639e0 [ 134.196221] x11: 0000000000000000 x10: ffff800012618450 [ 134.201553] x9 : ffff800010133204 x8 : ffff8000125c0450 [ 134.206885] x7 : ffff800012618450 x6 : ffff800012591000 [ 134.212217] x5 : ffff800012591c88 x4 : ffff00097ef6ec50 [ 134.217548] x3 : 0000000000000000 x2 : 00000000abcd1234 [ 134.222879] x1 : 000000000198b861 x0 : ffff800011a35af8 [ 134.228210] Call trace: [ 134.230665] lkdtm_WRITE_RO+0x48/0x60 [ 134.234339] lkdtm_do_action+0x24/0x40 [ 134.238098] direct_entry+0xd4/0x140 [ 134.241684] full_proxy_write+0x6c/0xc0 [ 134.245529] vfs_write+0xf0/0x210 [ 134.248851] ksys_write+0x74/0x100 [ 134.252260] __arm64_sys_write+0x28/0x34 [ 134.256194] el0_svc_common.constprop.0+0x84/0x1e0 [ 134.260996] do_el0_svc+0x30/0xa0 [ 134.264319] el0_svc+0x20/0x30 [ 134.267381] el0_sync_handler+0x1a4/0x1b0 [ 134.271399] el0_sync+0x180/0x1c0 [ 134.274726] Code: f2b579a2 b0003de0 ca020021 912be000 (f902ae61) [ 134.280835] ---[ end trace df0a09a550b05dbf ]--- # Segmentation fault # [ 134.036649] lkdtm: Performing direct entry WRITE_RO # [ 134.041599] lkdtm: attempting bad rodata write at ffff800011520558 # [ 134.047872] Unable to handle kernel write to read-only memory at virtual address ffff800011520558 # [ 134.056944] Mem abort info: # [ 134.059790] ESR = 0x9600004e # [ 134.063001] EC = 0x25: DABT (current EL), IL = 32 bits # [ 134.068359] SET = 0, FnV = 0 # [ 134.071447] EA = 0, S1PTW = 0 # [ 134.074647] Data abort info: # [ 134.077576] ISV = 0, ISS = 0x0000004e # [ 134.081450] CM = 0, WnR = 1 # [ 134.084460] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081def000 # [ 134.091217] [ffff800011520558] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=0060000081600781 # [ 134.101987] Internal error: Oops: 9600004e [#13] PREEMPT SMP # [ 134.107660] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 134.117137] CPU: 1 PID: 2078 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 134.124900] Hardware name: ARM Juno development board (r0) (DT) # [ 134.130837] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 134.136869] pc : lkdtm_WRITE_RO+0x48/0x60 # [ 134.140888] lr : lkdtm_WRITE_RO+0x30/0x60 # [ 134.144904] sp : ffff800016063cf0 # [ 134.148229] x29: ffff800016063cf0 x28: ffff00080281e200 # [ 134.153562] x27: 0000000000000000 x26: 0000000000000000 # [ 134.158895] x25: ffff800011520068 x24: ffff800016063e20 # [ 134.164229] x23: 0000000000000009 x22: ffff0008065f5000 # [ 134.169563] x21: ffff800011a34ba8 x20: ffff8000115202e8 # [ 134.174896] x19: ffff800011520000 x18: 0000000000000001 # [ 134.180228] x17: 0000000000000000 x16: 0000000000000000 # [ 134.185559] x15: 0000000000000030 x14: ffffffffffffffff # [ 134.190890] x13: ffff8000960639d7 x12: ffff8000160639e0 # [ 134.196221] x11: 0000000000000000 x10: ffff800012618450 # [ 134.201553] x9 : ffff800010133204 x8 : ffff8000125c0450 # [ 134.206885] x7 : ffff800012618450 x6 : ffff800012591000 # [ 134.212217] x5 : ffff800012591c88 x4 : ffff00097ef6ec50 # [ 134.217548] x3 : 0000000000000000 x2 : 00000000abcd1234 # [ 134.222879] x1 : 000000000198b861 x0 : ffff800011a35af8 # [ 134.228210] Call trace: # [ 134.230665] lkdtm_WRITE_RO+0x48/0x60 # [ 134.234339] lkdtm_do_action+0x24/0x40 # [ 134.238098] direct_entry+0xd4/0x140 # [ 134.241684] full_proxy_write+0x6c/0xc0 # [ 134.245529] vfs_write+0xf0/0x210 # [ 134.248851] ksys_write+0x74/0x100 # [ 134.252260] __arm64_sys_write+0x28/0x34 # [ 134.256194] el0_svc_common.constprop.0+0x84/0x1e0 # [ 134.260996] do_el0_svc+0x30/0xa0 # [ 134.264319] el0_svc+0x20/0x30 # [ 134.267381] el0_sync_handler+0x1a4/0x1b0 # [ 134.271399] el0_sync+0x180/0x1c0 # [ 134.274726] Code: f2b579a2 b0003de0 ca020021 912be000 (f902ae61) # [ 134.280835] ---[ end trace df0a09a550b05dbf ]--- # WRITE_RO: saw 'call trace:': ok ok 39 selftests: lkdtm: WRITE_RO.sh # selftests: lkdtm: WRITE_RO_AFTER_INIT.sh [ 134.702546] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT [ 134.708454] lkdtm: attempting bad ro_after_init write at ffff800011b06ef0 [ 134.715345] Unable to handle kernel write to read-only memory at virtual address ffff800011b06ef0 [ 134.724306] Mem abort info: [ 134.727251] ESR = 0x9600004f [ 134.730460] EC = 0x25: DABT (current EL), IL = 32 bits [ 134.735922] SET = 0, FnV = 0 [ 134.739011] EA = 0, S1PTW = 0 [ 134.742182] Data abort info: [ 134.745090] ISV = 0, ISS = 0x0000004f [ 134.748957] CM = 0, WnR = 1 [ 134.751938] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081def000 [ 134.758677] [ffff800011b06ef0] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=00000009ffffc003, pte=0060000081d06783 [ 134.771299] Internal error: Oops: 9600004f [#14] PREEMPT SMP [ 134.776971] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 134.786447] CPU: 1 PID: 2123 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 134.794206] Hardware name: ARM Juno development board (r0) (DT) [ 134.800142] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 134.806174] pc : lkdtm_WRITE_RO_AFTER_INIT+0x6c/0x84 [ 134.811154] lr : lkdtm_WRITE_RO_AFTER_INIT+0x54/0x84 [ 134.816127] sp : ffff80001614bcf0 [ 134.819452] x29: ffff80001614bcf0 x28: ffff0008030b4980 [ 134.824789] x27: 0000000000000000 x26: 0000000000000000 [ 134.830123] x25: ffff800011520068 x24: ffff80001614be20 [ 134.835456] x23: 0000000000000014 x22: ffff000803ca1000 [ 134.840787] x21: ffff800011a34bb8 x20: ffff8000115202f8 [ 134.846118] x19: ffff800011b06000 x18: 0000000000000000 [ 134.851450] x17: 0000000000000000 x16: 0000000000000000 [ 134.856781] x15: 0000000000000030 x14: ffffffffffffffff [ 134.862112] x13: ffff80009614b9d7 x12: ffff80001614b9df [ 134.867444] x11: 0000000000000018 x10: ffff800012618450 [ 134.872775] x9 : ffff800010133204 x8 : ffff8000125c0450 [ 134.878107] x7 : ffff800012618450 x6 : ffff800012591000 [ 134.883438] x5 : ffff800012591c88 x4 : ffff00097ef6ec50 [ 134.888769] x3 : 0000000000000000 x2 : 00000000abcd1234 [ 134.894100] x1 : 00000000fe67479e x0 : ffff800011a35af8 [ 134.899432] Call trace: [ 134.901886] lkdtm_WRITE_RO_AFTER_INIT+0x6c/0x84 [ 134.906517] lkdtm_do_action+0x24/0x40 [ 134.910275] direct_entry+0xd4/0x140 [ 134.913862] full_proxy_write+0x6c/0xc0 [ 134.917707] vfs_write+0xf0/0x210 [ 134.921028] ksys_write+0x74/0x100 [ 134.924437] __arm64_sys_write+0x28/0x34 [ 134.928371] el0_svc_common.constprop.0+0x84/0x1e0 [ 134.933172] do_el0_svc+0x30/0xa0 [ 134.936495] el0_svc+0x20/0x30 [ 134.939557] el0_sync_handler+0x1a4/0x1b0 [ 134.943574] el0_sync+0x180/0x1c0 [ 134.946900] Code: f2b579a2 b0003de0 ca020021 912be000 (f9077a61) [ 134.953009] ---[ end trace df0a09a550b05dc0 ]--- # Segmentation fault # [ 134.702546] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT # [ 134.708454] lkdtm: attempting bad ro_after_init write at ffff800011b06ef0 # [ 134.715345] Unable to handle kernel write to read-only memory at virtual address ffff800011b06ef0 # [ 134.724306] Mem abort info: # [ 134.727251] ESR = 0x9600004f # [ 134.730460] EC = 0x25: DABT (current EL), IL = 32 bits # [ 134.735922] SET = 0, FnV = 0 # [ 134.739011] EA = 0, S1PTW = 0 # [ 134.742182] Data abort info: # [ 134.745090] ISV = 0, ISS = 0x0000004f # [ 134.748957] CM = 0, WnR = 1 # [ 134.751938] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081def000 # [ 134.758677] [ffff800011b06ef0] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=00000009ffffc003, pte=0060000081d06783 # [ 134.771299] Internal error: Oops: 9600004f [#14] PREEMPT SMP # [ 134.776971] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 134.786447] CPU: 1 PID: 2123 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 134.794206] Hardware name: ARM Juno development board (r0) (DT) # [ 134.800142] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 134.806174] pc : lkdtm_WRITE_RO_AFTER_INIT+0x6c/0x84 # [ 134.811154] lr : lkdtm_WRITE_RO_AFTER_INIT+0x54/0x84 # [ 134.816127] sp : ffff80001614bcf0 # [ 134.819452] x29: ffff80001614bcf0 x28: ffff0008030b4980 # [ 134.824789] x27: 0000000000000000 x26: 0000000000000000 # [ 134.830123] x25: ffff800011520068 x24: ffff80001614be20 # [ 134.835456] x23: 0000000000000014 x22: ffff000803ca1000 # [ 134.840787] x21: ffff800011a34bb8 x20: ffff8000115202f8 # [ 134.846118] x19: ffff800011b06000 x18: 0000000000000000 # [ 134.851450] x17: 0000000000000000 x16: 0000000000000000 # [ 134.856781] x15: 0000000000000030 x14: ffffffffffffffff # [ 134.862112] x13: ffff80009614b9d7 x12: ffff80001614b9df # [ 134.867444] x11: 0000000000000018 x10: ffff800012618450 # [ 134.872775] x9 : ffff800010133204 x8 : ffff8000125c0450 # [ 134.878107] x7 : ffff800012618450 x6 : ffff800012591000 # [ 134.883438] x5 : ffff800012591c88 x4 : ffff00097ef6ec50 # [ 134.888769] x3 : 0000000000000000 x2 : 00000000abcd1234 # [ 134.894100] x1 : 00000000fe67479e x0 : ffff800011a35af8 # [ 134.899432] Call trace: # [ 134.901886] lkdtm_WRITE_RO_AFTER_INIT+0x6c/0x84 # [ 134.906517] lkdtm_do_action+0x24/0x40 # [ 134.910275] direct_entry+0xd4/0x140 # [ 134.913862] full_proxy_write+0x6c/0xc0 # [ 134.917707] vfs_write+0xf0/0x210 # [ 134.921028] ksys_write+0x74/0x100 # [ 134.924437] __arm64_sys_write+0x28/0x34 # [ 134.928371] el0_svc_common.constprop.0+0x84/0x1e0 # [ 134.933172] do_el0_svc+0x30/0xa0 # [ 134.936495] el0_svc+0x20/0x30 # [ 134.939557] el0_sync_handler+0x1a4/0x1b0 # [ 134.943574] el0_sync+0x180/0x1c0 # [ 134.946900] Code: f2b579a2 b0003de0 ca020021 912be000 (f9077a61) # [ 134.953009] ---[ end trace df0a09a550b05dc0 ]--- # WRITE_RO_AFTER_INIT: saw 'call trace:': ok ok 40 selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # selftests: lkdtm: WRITE_KERN.sh [ 135.378268] lkdtm: Performing direct entry WRITE_KERN [ 135.383395] lkdtm: attempting bad 8703916 byte write at ffff800011278d9c [ 135.390194] Unable to handle kernel write to read-only memory at virtual address ffff800011278d9c [ 135.399157] Mem abort info: [ 135.402129] ESR = 0x9600004f [ 135.405359] EC = 0x25: DABT (current EL), IL = 32 bits [ 135.410818] SET = 0, FnV = 0 [ 135.413907] EA = 0, S1PTW = 0 [ 135.417078] Data abort info: [ 135.419969] ISV = 0, ISS = 0x0000004f [ 135.423840] CM = 0, WnR = 1 [ 135.426841] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081def000 [ 135.433580] [ffff800011278d9c] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=00000009ffffd003, pte=0050000081478783 [ 135.446204] Internal error: Oops: 9600004f [#15] PREEMPT SMP [ 135.451882] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 135.461357] CPU: 1 PID: 2168 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 135.469116] Hardware name: ARM Juno development board (r0) (DT) [ 135.475053] pstate: 20000005 (nzCv daif -PAN -UAO -TCO BTYPE=--) [ 135.481083] pc : __memcpy+0x110/0x180 [ 135.484760] lr : lkdtm_WRITE_KERN+0x58/0x8c [ 135.488950] sp : ffff80001620bce0 [ 135.492270] x29: ffff80001620bce0 x28: ffff0008048eb100 [ 135.497604] x27: 0000000000000000 x26: 0000000000000000 [ 135.502938] x25: ffff800011520068 x24: ffff80001620be20 [ 135.508275] x23: 000000000000000b x22: ffff0008056d2000 [ 135.513612] x21: 000000000084cfac x20: ffff800010a2bdf0 [ 135.518944] x19: ffff800011278d9c x18: 0000000000000000 [ 135.524275] x17: 0000000000000000 x16: 0000000000000000 [ 135.529607] x15: 0000000000000030 x14: 52819801d2800802 [ 135.534939] x13: a9be7bfdb00086c0 x12: d503233fd503201f [ 135.540271] x11: aa1e03e9d503245f x10: d503201fd503201f [ 135.545603] x9 : d65f03c0d50323bf x8 : d503233fd503201f [ 135.550935] x7 : aa1e03e9d503245f x6 : ffff800011278d9c [ 135.556266] x5 : ffff800012591c88 x4 : 0000000000000000 [ 135.561597] x3 : 0000000000000000 x2 : 000000000084cf2c [ 135.566929] x1 : ffff800010a2be30 x0 : ffff800011278d9c [ 135.572261] Call trace: [ 135.574717] __memcpy+0x110/0x180 [ 135.578043] lkdtm_do_action+0x24/0x40 [ 135.581801] direct_entry+0xd4/0x140 [ 135.585388] full_proxy_write+0x6c/0xc0 [ 135.589233] vfs_write+0xf0/0x210 [ 135.592555] ksys_write+0x74/0x100 [ 135.595964] __arm64_sys_write+0x28/0x34 [ 135.599898] el0_svc_common.constprop.0+0x84/0x1e0 [ 135.604700] do_el0_svc+0x30/0xa0 [ 135.608024] el0_svc+0x20/0x30 [ 135.611086] el0_sync_handler+0x1a4/0x1b0 [ 135.615104] el0_sync+0x180/0x1c0 [ 135.618431] Code: a8c12027 a8c12829 a8c1302b a8c1382d (a88120c7) [ 135.624540] ---[ end trace df0a09a550b05dc1 ]--- # Segmentation fault # [ 135.378268] lkdtm: Performing direct entry WRITE_KERN # [ 135.383395] lkdtm: attempting bad 8703916 byte write at ffff800011278d9c # [ 135.390194] Unable to handle kernel write to read-only memory at virtual address ffff800011278d9c # [ 135.399157] Mem abort info: # [ 135.402129] ESR = 0x9600004f # [ 135.405359] EC = 0x25: DABT (current EL), IL = 32 bits # [ 135.410818] SET = 0, FnV = 0 # [ 135.413907] EA = 0, S1PTW = 0 # [ 135.417078] Data abort info: # [ 135.419969] ISV = 0, ISS = 0x0000004f # [ 135.423840] CM = 0, WnR = 1 # [ 135.426841] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081def000 # [ 135.433580] [ffff800011278d9c] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=00000009ffffd003, pte=0050000081478783 # [ 135.446204] Internal error: Oops: 9600004f [#15] PREEMPT SMP # [ 135.451882] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 135.461357] CPU: 1 PID: 2168 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 135.469116] Hardware name: ARM Juno development board (r0) (DT) # [ 135.475053] pstate: 20000005 (nzCv daif -PAN -UAO -TCO BTYPE=--) # [ 135.481083] pc : __memcpy+0x110/0x180 # [ 135.484760] lr : lkdtm_WRITE_KERN+0x58/0x8c # [ 135.488950] sp : ffff80001620bce0 # [ 135.492270] x29: ffff80001620bce0 x28: ffff0008048eb100 # [ 135.497604] x27: 0000000000000000 x26: 0000000000000000 # [ 135.502938] x25: ffff800011520068 x24: ffff80001620be20 # [ 135.508275] x23: 000000000000000b x22: ffff0008056d2000 # [ 135.513612] x21: 000000000084cfac x20: ffff800010a2bdf0 # [ 135.518944] x19: ffff800011278d9c x18: 0000000000000000 # [ 135.524275] x17: 0000000000000000 x16: 0000000000000000 # [ 135.529607] x15: 0000000000000030 x14: 52819801d2800802 # [ 135.534939] x13: a9be7bfdb00086c0 x12: d503233fd503201f # [ 135.540271] x11: aa1e03e9d503245f x10: d503201fd503201f # [ 135.545603] x9 : d65f03c0d50323bf x8 : d503233fd503201f # [ 135.550935] x7 : aa1e03e9d503245f x6 : ffff800011278d9c # [ 135.556266] x5 : ffff800012591c88 x4 : 0000000000000000 # [ 135.561597] x3 : 0000000000000000 x2 : 000000000084cf2c # [ 135.566929] x1 : ffff800010a2be30 x0 : ffff800011278d9c # [ 135.572261] Call trace: # [ 135.574717] __memcpy+0x110/0x180 # [ 135.578043] lkdtm_do_action+0x24/0x40 # [ 135.581801] direct_entry+0xd4/0x140 # [ 135.585388] full_proxy_write+0x6c/0xc0 # [ 135.589233] vfs_write+0xf0/0x210 # [ 135.592555] ksys_write+0x74/0x100 # [ 135.595964] __arm64_sys_write+0x28/0x34 # [ 135.599898] el0_svc_common.constprop.0+0x84/0x1e0 # [ 135.604700] do_el0_svc+0x30/0xa0 # [ 135.608024] el0_svc+0x20/0x30 # [ 135.611086] el0_sync_handler+0x1a4/0x1b0 # [ 135.615104] el0_sync+0x180/0x1c0 # [ 135.618431] Code: a8c12027 a8c12829 a8c1302b a8c1382d (a88120c7) # [ 135.624540] ---[ end trace df0a09a550b05dc1 ]--- # WRITE_KERN: saw 'call trace:': ok ok 41 selftests: lkdtm: WRITE_KERN.sh # selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh [ 136.077090] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW [ 136.083182] lkdtm: attempting good refcount_inc() without overflow [ 136.089439] lkdtm: attempting bad refcount_inc() overflow [ 136.094905] ------------[ cut here ]------------ [ 136.099656] refcount_t: saturated; leaking memory. [ 136.104709] WARNING: CPU: 2 PID: 2213 at lib/refcount.c:22 refcount_warn_saturate+0x74/0x144 [ 136.113167] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 136.122642] CPU: 2 PID: 2213 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 136.130401] Hardware name: ARM Juno development board (r0) (DT) [ 136.136335] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 136.142357] pc : refcount_warn_saturate+0x74/0x144 [ 136.147159] lr : refcount_warn_saturate+0x74/0x144 [ 136.151958] sp : ffff8000162c3cd0 [ 136.155279] x29: ffff8000162c3cd0 x28: ffff000803fe9880 [ 136.160612] x27: 0000000000000000 x26: 0000000000000000 [ 136.165944] x25: ffff800011520068 x24: ffff8000162c3e20 [ 136.171276] x23: 0000000000000016 x22: ffff000805d44000 [ 136.176608] x21: ffff800011a34be0 x20: ffff800011520318 [ 136.181940] x19: 000000000000002b x18: 0000000000000000 [ 136.187271] x17: 0000000000000000 x16: 0000000000000000 [ 136.192602] x15: 0000000000000000 x14: ffff0008002e0000 [ 136.197933] x13: 0000000000000eb0 x12: 071c71c71c71c71c [ 136.203264] x11: 0000000000000eb0 x10: 0000000000001440 [ 136.208596] x9 : ffff800010133204 x8 : ffff000803fead20 [ 136.213927] x7 : 0000000000186a00 x6 : ffff800012591000 [ 136.219259] x5 : ffff800012591c88 x4 : ffff00097ef4cc50 [ 136.224590] x3 : 0000000000000000 x2 : 0000000000000000 [ 136.229921] x1 : 0000000000000000 x0 : ffff000803fe9880 [ 136.235253] Call trace: [ 136.237707] refcount_warn_saturate+0x74/0x144 [ 136.242162] __refcount_add.constprop.0+0x6c/0x80 [ 136.246877] lkdtm_REFCOUNT_INC_OVERFLOW+0x74/0xa4 [ 136.251680] lkdtm_do_action+0x24/0x40 [ 136.255438] direct_entry+0xd4/0x140 [ 136.259023] full_proxy_write+0x6c/0xc0 [ 136.262868] vfs_write+0xf0/0x210 [ 136.266190] ksys_write+0x74/0x100 [ 136.269598] __arm64_sys_write+0x28/0x34 [ 136.273533] el0_svc_common.constprop.0+0x84/0x1e0 [ 136.278335] do_el0_svc+0x30/0xa0 [ 136.281658] el0_svc+0x20/0x30 [ 136.284720] el0_sync_handler+0x1a4/0x1b0 [ 136.288738] el0_sync+0x180/0x1c0 [ 136.292058] irq event stamp: 0 [ 136.295121] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 136.301406] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 [ 136.309604] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 [ 136.317799] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 136.324077] ---[ end trace df0a09a550b05dc2 ]--- [ 136.328762] lkdtm: Overflow detected: saturated # [ 136.077090] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW # [ 136.083182] lkdtm: attempting good refcount_inc() without overflow # [ 136.089439] lkdtm: attempting bad refcount_inc() overflow # [ 136.094905] ------------[ cut here ]------------ # [ 136.099656] refcount_t: saturated; leaking memory. # [ 136.104709] WARNING: CPU: 2 PID: 2213 at lib/refcount.c:22 refcount_warn_saturate+0x74/0x144 # [ 136.113167] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 136.122642] CPU: 2 PID: 2213 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 136.130401] Hardware name: ARM Juno development board (r0) (DT) # [ 136.136335] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 136.142357] pc : refcount_warn_saturate+0x74/0x144 # [ 136.147159] lr : refcount_warn_saturate+0x74/0x144 # [ 136.151958] sp : ffff8000162c3cd0 # [ 136.155279] x29: ffff8000162c3cd0 x28: ffff000803fe9880 # [ 136.160612] x27: 0000000000000000 x26: 0000000000000000 # [ 136.165944] x25: ffff800011520068 x24: ffff8000162c3e20 # [ 136.171276] x23: 0000000000000016 x22: ffff000805d44000 # [ 136.176608] x21: ffff800011a34be0 x20: ffff800011520318 # [ 136.181940] x19: 000000000000002b x18: 0000000000000000 # [ 136.187271] x17: 0000000000000000 x16: 0000000000000000 # [ 136.192602] x15: 0000000000000000 x14: ffff0008002e0000 # [ 136.197933] x13: 0000000000000eb0 x12: 071c71c71c71c71c # [ 136.203264] x11: 0000000000000eb0 x10: 0000000000001440 # [ 136.208596] x9 : ffff800010133204 x8 : ffff000803fead20 # [ 136.213927] x7 : 0000000000186a00 x6 : ffff800012591000 # [ 136.219259] x5 : ffff800012591c88 x4 : ffff00097ef4cc50 # [ 136.224590] x3 : 0000000000000000 x2 : 0000000000000000 # [ 136.229921] x1 : 0000000000000000 x0 : ffff000803fe9880 # [ 136.235253] Call trace: # [ 136.237707] refcount_warn_saturate+0x74/0x144 # [ 136.242162] __refcount_add.constprop.0+0x6c/0x80 # [ 136.246877] lkdtm_REFCOUNT_INC_OVERFLOW+0x74/0xa4 # [ 136.251680] lkdtm_do_action+0x24/0x40 # [ 136.255438] direct_entry+0xd4/0x140 # [ 136.259023] full_proxy_write+0x6c/0xc0 # [ 136.262868] vfs_write+0xf0/0x210 # [ 136.266190] ksys_write+0x74/0x100 # [ 136.269598] __arm64_sys_write+0x28/0x34 # [ 136.273533] el0_svc_common.constprop.0+0x84/0x1e0 # [ 136.278335] do_el0_svc+0x30/0xa0 # [ 136.281658] el0_svc+0x20/0x30 # [ 136.284720] el0_sync_handler+0x1a4/0x1b0 # [ 136.288738] el0_sync+0x180/0x1c0 # [ 136.292058] irq event stamp: 0 # [ 136.295121] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 136.301406] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 # [ 136.309604] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 # [ 136.317799] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 136.324077] ---[ end trace df0a09a550b05dc2 ]--- # [ 136.328762] 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 [ 136.808224] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW [ 136.814335] lkdtm: attempting good refcount_add() without overflow [ 136.820629] lkdtm: attempting bad refcount_add() overflow [ 136.826102] ------------[ cut here ]------------ [ 136.830852] refcount_t: saturated; leaking memory. [ 136.835812] WARNING: CPU: 4 PID: 2245 at lib/refcount.c:22 refcount_warn_saturate+0x74/0x144 [ 136.844274] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 136.853781] CPU: 4 PID: 2245 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 136.861544] Hardware name: ARM Juno development board (r0) (DT) [ 136.867485] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 136.873514] pc : refcount_warn_saturate+0x74/0x144 [ 136.878323] lr : refcount_warn_saturate+0x74/0x144 [ 136.883127] sp : ffff80001636bcd0 [ 136.886452] x29: ffff80001636bcd0 x28: ffff000805d01880 [ 136.891795] x27: 0000000000000000 x26: 0000000000000000 [ 136.897137] x25: ffff800011520068 x24: ffff80001636be20 [ 136.902479] x23: 0000000000000016 x22: ffff0008080a6000 [ 136.907821] x21: ffff800011a34bf8 x20: ffff800011520328 [ 136.913163] x19: 000000000000002c x18: 0000000000000000 [ 136.918505] x17: 0000000000000000 x16: 0000000000000000 [ 136.923847] x15: 0000000000000030 x14: ffffffffffffffff [ 136.929189] x13: ffff80009636b977 x12: ffff80001636b97f [ 136.934530] x11: 0000000000000028 x10: ffff800012618450 [ 136.939873] x9 : ffff800010133204 x8 : ffff8000125c0450 [ 136.945215] x7 : ffff800012618450 x6 : ffff800012591000 [ 136.950556] x5 : ffff800012591c88 x4 : ffff00097ef90c50 [ 136.955898] x3 : 0000000000000000 x2 : 0000000000000000 [ 136.961240] x1 : 0000000000000000 x0 : ffff000805d01880 [ 136.966581] Call trace: [ 136.969043] refcount_warn_saturate+0x74/0x144 [ 136.973505] __refcount_add.constprop.0+0x6c/0x80 [ 136.978228] lkdtm_REFCOUNT_ADD_OVERFLOW+0x80/0xb0 [ 136.983037] lkdtm_do_action+0x24/0x40 [ 136.986802] direct_entry+0xd4/0x140 [ 136.990393] full_proxy_write+0x6c/0xc0 [ 136.994245] vfs_write+0xf0/0x210 [ 136.997573] ksys_write+0x74/0x100 [ 137.000988] __arm64_sys_write+0x28/0x34 [ 137.004929] el0_svc_common.constprop.0+0x84/0x1e0 [ 137.009738] do_el0_svc+0x30/0xa0 [ 137.013070] el0_svc+0x20/0x30 [ 137.016139] el0_sync_handler+0x1a4/0x1b0 [ 137.020163] el0_sync+0x180/0x1c0 [ 137.023489] irq event stamp: 0 [ 137.026559] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 137.032850] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 [ 137.041055] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 [ 137.049257] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 137.055541] ---[ end trace df0a09a550b05dc3 ]--- [ 137.060524] lkdtm: Overflow detected: saturated # [ 136.808224] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW # [ 136.814335] lkdtm: attempting good refcount_add() without overflow # [ 136.820629] lkdtm: attempting bad refcount_add() overflow # [ 136.826102] ------------[ cut here ]------------ # [ 136.830852] refcount_t: saturated; leaking memory. # [ 136.835812] WARNING: CPU: 4 PID: 2245 at lib/refcount.c:22 refcount_warn_saturate+0x74/0x144 # [ 136.844274] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 136.853781] CPU: 4 PID: 2245 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 136.861544] Hardware name: ARM Juno development board (r0) (DT) # [ 136.867485] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 136.873514] pc : refcount_warn_saturate+0x74/0x144 # [ 136.878323] lr : refcount_warn_saturate+0x74/0x144 # [ 136.883127] sp : ffff80001636bcd0 # [ 136.886452] x29: ffff80001636bcd0 x28: ffff000805d01880 # [ 136.891795] x27: 0000000000000000 x26: 0000000000000000 # [ 136.897137] x25: ffff800011520068 x24: ffff80001636be20 # [ 136.902479] x23: 0000000000000016 x22: ffff0008080a6000 # [ 136.907821] x21: ffff800011a34bf8 x20: ffff800011520328 # [ 136.913163] x19: 000000000000002c x18: 0000000000000000 # [ 136.918505] x17: 0000000000000000 x16: 0000000000000000 # [ 136.923847] x15: 0000000000000030 x14: ffffffffffffffff # [ 136.929189] x13: ffff80009636b977 x12: ffff80001636b97f # [ 136.934530] x11: 0000000000000028 x10: ffff800012618450 # [ 136.939873] x9 : ffff800010133204 x8 : ffff8000125c0450 # [ 136.945215] x7 : ffff800012618450 x6 : ffff800012591000 # [ 136.950556] x5 : ffff800012591c88 x4 : ffff00097ef90c50 # [ 136.955898] x3 : 0000000000000000 x2 : 0000000000000000 # [ 136.961240] x1 : 0000000000000000 x0 : ffff000805d01880 # [ 136.966581] Call trace: # [ 136.969043] refcount_warn_saturate+0x74/0x144 # [ 136.973505] __refcount_add.constprop.0+0x6c/0x80 # [ 136.978228] lkdtm_REFCOUNT_ADD_OVERFLOW+0x80/0xb0 # [ 136.983037] lkdtm_do_action+0x24/0x40 # [ 136.986802] direct_entry+0xd4/0x140 # [ 136.990393] full_proxy_write+0x6c/0xc0 # [ 136.994245] vfs_write+0xf0/0x210 # [ 136.997573] ksys_write+0x74/0x100 # [ 137.000988] __arm64_sys_write+0x28/0x34 # [ 137.004929] el0_svc_common.constprop.0+0x84/0x1e0 # [ 137.009738] do_el0_svc+0x30/0xa0 # [ 137.013070] el0_svc+0x20/0x30 # [ 137.016139] el0_sync_handler+0x1a4/0x1b0 # [ 137.020163] el0_sync+0x180/0x1c0 # [ 137.023489] irq event stamp: 0 # [ 137.026559] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 137.032850] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 # [ 137.041055] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 # [ 137.049257] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 137.055541] ---[ end trace df0a09a550b05dc3 ]--- # [ 137.060524] 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 [ 137.544455] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW [ 137.551357] lkdtm: attempting bad refcount_inc_not_zero() overflow [ 137.557630] ------------[ cut here ]------------ [ 137.562320] refcount_t: saturated; leaking memory. [ 137.567314] WARNING: CPU: 0 PID: 2277 at lib/refcount.c:19 refcount_warn_saturate+0xc8/0x144 [ 137.575775] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 137.585282] CPU: 0 PID: 2277 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 137.593045] Hardware name: ARM Juno development board (r0) (DT) [ 137.598985] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 137.605014] pc : refcount_warn_saturate+0xc8/0x144 [ 137.609823] lr : refcount_warn_saturate+0xc8/0x144 [ 137.614627] sp : ffff8000163fbcb0 [ 137.617952] x29: ffff8000163fbcb0 x28: ffff000802819880 [ 137.623295] x27: 0000000000000000 x26: 0000000000000000 [ 137.628637] x25: ffff800011520068 x24: ffff8000163fbe20 [ 137.633979] x23: 000000000000001f x22: ffff0008073ba000 [ 137.639320] x21: 0000000000000001 x20: 000000007fffffff [ 137.644662] x19: ffff8000163fbd04 x18: 0000000000000000 [ 137.650004] x17: 0000000000000000 x16: 0000000000000000 [ 137.655346] x15: 0000000000000030 x14: ffffffffffffffff [ 137.660688] x13: ffff8000963fb957 x12: ffff8000163fb95f [ 137.666030] x11: 0000000000000030 x10: 0000000000001440 [ 137.671372] x9 : ffff800010133204 x8 : ffff00080281ad20 [ 137.676713] x7 : 0000000000000000 x6 : ffff800012591000 [ 137.682055] x5 : ffff800012591c88 x4 : ffff00097ef08c50 [ 137.687397] x3 : 0000000000000000 x2 : 0000000000000000 [ 137.692738] x1 : 0000000000000000 x0 : ffff000802819880 [ 137.698080] Call trace: [ 137.700541] refcount_warn_saturate+0xc8/0x144 [ 137.705003] __refcount_add_not_zero.constprop.0+0x84/0xa0 [ 137.710506] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x4c/0x90 [ 137.716100] lkdtm_do_action+0x24/0x40 [ 137.719865] direct_entry+0xd4/0x140 [ 137.723457] full_proxy_write+0x6c/0xc0 [ 137.727309] vfs_write+0xf0/0x210 [ 137.730638] ksys_write+0x74/0x100 [ 137.734053] __arm64_sys_write+0x28/0x34 [ 137.737994] el0_svc_common.constprop.0+0x84/0x1e0 [ 137.742803] do_el0_svc+0x30/0xa0 [ 137.746133] el0_svc+0x20/0x30 [ 137.749201] el0_sync_handler+0x1a4/0x1b0 [ 137.753226] el0_sync+0x180/0x1c0 [ 137.756551] irq event stamp: 0 [ 137.759621] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 137.765913] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 [ 137.774117] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 [ 137.782319] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 137.788603] ---[ end trace df0a09a550b05dc4 ]--- [ 137.793528] lkdtm: Overflow detected: saturated # [ 137.544455] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 137.551357] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 137.557630] ------------[ cut here ]------------ # [ 137.562320] refcount_t: saturated; leaking memory. # [ 137.567314] WARNING: CPU: 0 PID: 2277 at lib/refcount.c:19 refcount_warn_saturate+0xc8/0x144 # [ 137.575775] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 137.585282] CPU: 0 PID: 2277 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 137.593045] Hardware name: ARM Juno development board (r0) (DT) # [ 137.598985] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 137.605014] pc : refcount_warn_saturate+0xc8/0x144 # [ 137.609823] lr : refcount_warn_saturate+0xc8/0x144 # [ 137.614627] sp : ffff8000163fbcb0 # [ 137.617952] x29: ffff8000163fbcb0 x28: ffff000802819880 # [ 137.623295] x27: 0000000000000000 x26: 0000000000000000 # [ 137.628637] x25: ffff800011520068 x24: ffff8000163fbe20 # [ 137.633979] x23: 000000000000001f x22: ffff0008073ba000 # [ 137.639320] x21: 0000000000000001 x20: 000000007fffffff # [ 137.644662] x19: ffff8000163fbd04 x18: 0000000000000000 # [ 137.650004] x17: 0000000000000000 x16: 0000000000000000 # [ 137.655346] x15: 0000000000000030 x14: ffffffffffffffff # [ 137.660688] x13: ffff8000963fb957 x12: ffff8000163fb95f # [ 137.666030] x11: 0000000000000030 x10: 0000000000001440 # [ 137.671372] x9 : ffff800010133204 x8 : ffff00080281ad20 # [ 137.676713] x7 : 0000000000000000 x6 : ffff800012591000 # [ 137.682055] x5 : ffff800012591c88 x4 : ffff00097ef08c50 # [ 137.687397] x3 : 0000000000000000 x2 : 0000000000000000 # [ 137.692738] x1 : 0000000000000000 x0 : ffff000802819880 # [ 137.698080] Call trace: # [ 137.700541] refcount_warn_saturate+0xc8/0x144 # [ 137.705003] __refcount_add_not_zero.constprop.0+0x84/0xa0 # [ 137.710506] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x4c/0x90 # [ 137.716100] lkdtm_do_action+0x24/0x40 # [ 137.719865] direct_entry+0xd4/0x140 # [ 137.723457] full_proxy_write+0x6c/0xc0 # [ 137.727309] vfs_write+0xf0/0x210 # [ 137.730638] ksys_write+0x74/0x100 # [ 137.734053] __arm64_sys_write+0x28/0x34 # [ 137.737994] el0_svc_common.constprop.0+0x84/0x1e0 # [ 137.742803] do_el0_svc+0x30/0xa0 # [ 137.746133] el0_svc+0x20/0x30 # [ 137.749201] el0_sync_handler+0x1a4/0x1b0 # [ 137.753226] el0_sync+0x180/0x1c0 # [ 137.756551] irq event stamp: 0 # [ 137.759621] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 137.765913] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 # [ 137.774117] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 # [ 137.782319] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 137.788603] ---[ end trace df0a09a550b05dc4 ]--- # [ 137.793528] 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 [ 138.279375] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW [ 138.286262] lkdtm: attempting bad refcount_add_not_zero() overflow [ 138.292531] ------------[ cut here ]------------ [ 138.297220] refcount_t: saturated; leaking memory. [ 138.302219] WARNING: CPU: 5 PID: 2309 at lib/refcount.c:19 refcount_warn_saturate+0xc8/0x144 [ 138.310681] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 138.320188] CPU: 5 PID: 2309 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 138.327951] Hardware name: ARM Juno development board (r0) (DT) [ 138.333891] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 138.339920] pc : refcount_warn_saturate+0xc8/0x144 [ 138.344729] lr : refcount_warn_saturate+0xc8/0x144 [ 138.349534] sp : ffff800016483cb0 [ 138.352859] x29: ffff800016483cb0 x28: ffff0008048e9880 [ 138.358202] x27: 0000000000000000 x26: 0000000000000000 [ 138.363544] x25: ffff800011520068 x24: ffff800016483e20 [ 138.368886] x23: 000000000000001f x22: ffff000804c63000 [ 138.374228] x21: 0000000000000006 x20: 000000007fffffff [ 138.379570] x19: ffff800016483d04 x18: 0000000000000000 [ 138.384912] x17: 0000000000000000 x16: 0000000000000000 [ 138.390253] x15: 0000000000000030 x14: ffffffffffffffff [ 138.395596] x13: ffff800096483957 x12: ffff80001648395f [ 138.400938] x11: 0000000000000030 x10: 0000000000001440 [ 138.406279] x9 : ffff800010133204 x8 : ffff0008048ead20 [ 138.411621] x7 : 0000000000000000 x6 : ffff800012591000 [ 138.416963] x5 : ffff800012591c88 x4 : ffff00097efb2c50 [ 138.422305] x3 : 0000000000000000 x2 : 0000000000000000 [ 138.427646] x1 : 0000000000000000 x0 : ffff0008048e9880 [ 138.432988] Call trace: [ 138.435449] refcount_warn_saturate+0xc8/0x144 [ 138.439911] __refcount_add_not_zero.constprop.0+0x84/0xa0 [ 138.445415] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x4c/0x90 [ 138.451009] lkdtm_do_action+0x24/0x40 [ 138.454773] direct_entry+0xd4/0x140 [ 138.458365] full_proxy_write+0x6c/0xc0 [ 138.462218] vfs_write+0xf0/0x210 [ 138.465546] ksys_write+0x74/0x100 [ 138.468961] __arm64_sys_write+0x28/0x34 [ 138.472902] el0_svc_common.constprop.0+0x84/0x1e0 [ 138.477710] do_el0_svc+0x30/0xa0 [ 138.481040] el0_svc+0x20/0x30 [ 138.484109] el0_sync_handler+0x1a4/0x1b0 [ 138.488134] el0_sync+0x180/0x1c0 [ 138.491459] irq event stamp: 0 [ 138.494529] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 138.500821] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 [ 138.509025] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 [ 138.517227] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 138.523511] ---[ end trace df0a09a550b05dc5 ]--- [ 138.528442] lkdtm: Overflow detected: saturated # [ 138.279375] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 138.286262] lkdtm: attempting bad refcount_add_not_zero() overflow # [ 138.292531] ------------[ cut here ]------------ # [ 138.297220] refcount_t: saturated; leaking memory. # [ 138.302219] WARNING: CPU: 5 PID: 2309 at lib/refcount.c:19 refcount_warn_saturate+0xc8/0x144 # [ 138.310681] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 138.320188] CPU: 5 PID: 2309 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 138.327951] Hardware name: ARM Juno development board (r0) (DT) # [ 138.333891] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 138.339920] pc : refcount_warn_saturate+0xc8/0x144 # [ 138.344729] lr : refcount_warn_saturate+0xc8/0x144 # [ 138.349534] sp : ffff800016483cb0 # [ 138.352859] x29: ffff800016483cb0 x28: ffff0008048e9880 # [ 138.358202] x27: 0000000000000000 x26: 0000000000000000 # [ 138.363544] x25: ffff800011520068 x24: ffff800016483e20 # [ 138.368886] x23: 000000000000001f x22: ffff000804c63000 # [ 138.374228] x21: 0000000000000006 x20: 000000007fffffff # [ 138.379570] x19: ffff800016483d04 x18: 0000000000000000 # [ 138.384912] x17: 0000000000000000 x16: 0000000000000000 # [ 138.390253] x15: 0000000000000030 x14: ffffffffffffffff # [ 138.395596] x13: ffff800096483957 x12: ffff80001648395f # [ 138.400938] x11: 0000000000000030 x10: 0000000000001440 # [ 138.406279] x9 : ffff800010133204 x8 : ffff0008048ead20 # [ 138.411621] x7 : 0000000000000000 x6 : ffff800012591000 # [ 138.416963] x5 : ffff800012591c88 x4 : ffff00097efb2c50 # [ 138.422305] x3 : 0000000000000000 x2 : 0000000000000000 # [ 138.427646] x1 : 0000000000000000 x0 : ffff0008048e9880 # [ 138.432988] Call trace: # [ 138.435449] refcount_warn_saturate+0xc8/0x144 # [ 138.439911] __refcount_add_not_zero.constprop.0+0x84/0xa0 # [ 138.445415] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x4c/0x90 # [ 138.451009] lkdtm_do_action+0x24/0x40 # [ 138.454773] direct_entry+0xd4/0x140 # [ 138.458365] full_proxy_write+0x6c/0xc0 # [ 138.462218] vfs_write+0xf0/0x210 # [ 138.465546] ksys_write+0x74/0x100 # [ 138.468961] __arm64_sys_write+0x28/0x34 # [ 138.472902] el0_svc_common.constprop.0+0x84/0x1e0 # [ 138.477710] do_el0_svc+0x30/0xa0 # [ 138.481040] el0_svc+0x20/0x30 # [ 138.484109] el0_sync_handler+0x1a4/0x1b0 # [ 138.488134] el0_sync+0x180/0x1c0 # [ 138.491459] irq event stamp: 0 # [ 138.494529] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 138.500821] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 # [ 138.509025] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 # [ 138.517227] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 138.523511] ---[ end trace df0a09a550b05dc5 ]--- # [ 138.528442] 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 [ 138.964804] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO [ 138.970536] lkdtm: attempting good refcount_dec() [ 138.975326] lkdtm: attempting bad refcount_dec() to zero [ 138.980707] ------------[ cut here ]------------ [ 138.985461] refcount_t: decrement hit 0; leaking memory. [ 138.990938] WARNING: CPU: 3 PID: 2341 at lib/refcount.c:31 refcount_warn_saturate+0x13c/0x144 [ 138.999487] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 139.008993] CPU: 3 PID: 2341 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 139.016756] Hardware name: ARM Juno development board (r0) (DT) [ 139.022696] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 139.028725] pc : refcount_warn_saturate+0x13c/0x144 [ 139.033621] lr : refcount_warn_saturate+0x13c/0x144 [ 139.038512] sp : ffff800016503cc0 [ 139.041837] x29: ffff800016503cc0 x28: ffff0008073db100 [ 139.047180] x27: 0000000000000000 x26: 0000000000000000 [ 139.052521] x25: ffff800011520068 x24: ffff800016503e20 [ 139.057863] x23: 0000000000000012 x22: ffff000807863000 [ 139.063205] x21: ffff800011a34c50 x20: ffff800011520358 [ 139.068548] x19: ffff800016503d04 x18: 0000000000000000 [ 139.073890] x17: 0000000000000000 x16: 0000000000000000 [ 139.079231] x15: 0000000000000030 x14: ffffffffffffffff [ 139.084573] x13: ffff800096503967 x12: ffff80001650396f [ 139.089915] x11: 0000000000000008 x10: ffff800012618450 [ 139.095258] x9 : ffff800010133204 x8 : ffff8000125c0450 [ 139.100600] x7 : ffff800012618450 x6 : ffff800012591000 [ 139.105942] x5 : ffff800012591c88 x4 : ffff00097ef6ec50 [ 139.111283] x3 : 0000000000000000 x2 : 0000000000000000 [ 139.116625] x1 : 0000000000000000 x0 : ffff0008073db100 [ 139.121967] Call trace: [ 139.124428] refcount_warn_saturate+0x13c/0x144 [ 139.128976] __refcount_dec.constprop.0+0x4c/0x5c [ 139.133697] lkdtm_REFCOUNT_DEC_ZERO+0x58/0xe4 [ 139.138160] lkdtm_do_action+0x24/0x40 [ 139.141925] direct_entry+0xd4/0x140 [ 139.145517] full_proxy_write+0x6c/0xc0 [ 139.149369] vfs_write+0xf0/0x210 [ 139.152697] ksys_write+0x74/0x100 [ 139.156112] __arm64_sys_write+0x28/0x34 [ 139.160053] el0_svc_common.constprop.0+0x84/0x1e0 [ 139.164862] do_el0_svc+0x30/0xa0 [ 139.168192] el0_svc+0x20/0x30 [ 139.171261] el0_sync_handler+0x1a4/0x1b0 [ 139.175285] el0_sync+0x180/0x1c0 [ 139.178611] irq event stamp: 0 [ 139.181681] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 139.187973] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 [ 139.196177] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 [ 139.204379] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 139.210664] ---[ end trace df0a09a550b05dc6 ]--- [ 139.215596] lkdtm: Zero detected: saturated # [ 138.964804] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO # [ 138.970536] lkdtm: attempting good refcount_dec() # [ 138.975326] lkdtm: attempting bad refcount_dec() to zero # [ 138.980707] ------------[ cut here ]------------ # [ 138.985461] refcount_t: decrement hit 0; leaking memory. # [ 138.990938] WARNING: CPU: 3 PID: 2341 at lib/refcount.c:31 refcount_warn_saturate+0x13c/0x144 # [ 138.999487] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 139.008993] CPU: 3 PID: 2341 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 139.016756] Hardware name: ARM Juno development board (r0) (DT) # [ 139.022696] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 139.028725] pc : refcount_warn_saturate+0x13c/0x144 # [ 139.033621] lr : refcount_warn_saturate+0x13c/0x144 # [ 139.038512] sp : ffff800016503cc0 # [ 139.041837] x29: ffff800016503cc0 x28: ffff0008073db100 # [ 139.047180] x27: 0000000000000000 x26: 0000000000000000 # [ 139.052521] x25: ffff800011520068 x24: ffff800016503e20 # [ 139.057863] x23: 0000000000000012 x22: ffff000807863000 # [ 139.063205] x21: ffff800011a34c50 x20: ffff800011520358 # [ 139.068548] x19: ffff800016503d04 x18: 0000000000000000 # [ 139.073890] x17: 0000000000000000 x16: 0000000000000000 # [ 139.079231] x15: 0000000000000030 x14: ffffffffffffffff # [ 139.084573] x13: ffff800096503967 x12: ffff80001650396f # [ 139.089915] x11: 0000000000000008 x10: ffff800012618450 # [ 139.095258] x9 : ffff800010133204 x8 : ffff8000125c0450 # [ 139.100600] x7 : ffff800012618450 x6 : ffff800012591000 # [ 139.105942] x5 : ffff800012591c88 x4 : ffff00097ef6ec50 # [ 139.111283] x3 : 0000000000000000 x2 : 0000000000000000 # [ 139.116625] x1 : 0000000000000000 x0 : ffff0008073db100 # [ 139.121967] Call trace: # [ 139.124428] refcount_warn_saturate+0x13c/0x144 # [ 139.128976] __refcount_dec.constprop.0+0x4c/0x5c # [ 139.133697] lkdtm_REFCOUNT_DEC_ZERO+0x58/0xe4 # [ 139.138160] lkdtm_do_action+0x24/0x40 # [ 139.141925] direct_entry+0xd4/0x140 # [ 139.145517] full_proxy_write+0x6c/0xc0 # [ 139.149369] vfs_write+0xf0/0x210 # [ 139.152697] ksys_write+0x74/0x100 # [ 139.156112] __arm64_sys_write+0x28/0x34 # [ 139.160053] el0_svc_common.constprop.0+0x84/0x1e0 # [ 139.164862] do_el0_svc+0x30/0xa0 # [ 139.168192] el0_svc+0x20/0x30 # [ 139.171261] el0_sync_handler+0x1a4/0x1b0 # [ 139.175285] el0_sync+0x180/0x1c0 # [ 139.178611] irq event stamp: 0 # [ 139.181681] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 139.187973] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 # [ 139.196177] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 # [ 139.204379] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 139.210664] ---[ end trace df0a09a550b05dc6 ]--- # [ 139.215596] 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 [ 139.682408] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE [ 139.688489] lkdtm: attempting bad refcount_dec() below zero [ 139.694136] ------------[ cut here ]------------ [ 139.698820] refcount_t: decrement hit 0; leaking memory. [ 139.704271] WARNING: CPU: 5 PID: 2376 at lib/refcount.c:31 refcount_warn_saturate+0x13c/0x144 [ 139.712820] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 139.722326] CPU: 5 PID: 2376 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 139.730090] Hardware name: ARM Juno development board (r0) (DT) [ 139.736029] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 139.742058] pc : refcount_warn_saturate+0x13c/0x144 [ 139.746955] lr : refcount_warn_saturate+0x13c/0x144 [ 139.751846] sp : ffff8000165a3cc0 [ 139.755171] x29: ffff8000165a3cc0 x28: ffff0008048eb100 [ 139.760513] x27: 0000000000000000 x26: 0000000000000000 [ 139.765855] x25: ffff800011520068 x24: ffff8000165a3e20 [ 139.771197] x23: 0000000000000016 x22: ffff000800d0f000 [ 139.776539] x21: ffff800011a34c68 x20: ffff800011520368 [ 139.781881] x19: ffff8000165a3d04 x18: 0000000000000000 [ 139.787223] x17: 0000000000000000 x16: 0000000000000000 [ 139.792565] x15: 0000000000000030 x14: ffffffffffffffff [ 139.797907] x13: ffff8000965a3967 x12: ffff8000165a396f [ 139.803248] x11: 0000000000000028 x10: ffff800012618450 [ 139.808590] x9 : ffff800010133204 x8 : ffff8000125c0450 [ 139.813932] x7 : ffff800012618450 x6 : ffff800012591000 [ 139.819274] x5 : ffff800012591c88 x4 : ffff00097efb2c50 [ 139.824615] x3 : 0000000000000000 x2 : 0000000000000000 [ 139.829957] x1 : 0000000000000000 x0 : ffff0008048eb100 [ 139.835299] Call trace: [ 139.837760] refcount_warn_saturate+0x13c/0x144 [ 139.842309] __refcount_dec.constprop.0+0x4c/0x5c [ 139.847030] lkdtm_REFCOUNT_DEC_NEGATIVE+0x40/0x74 [ 139.851841] lkdtm_do_action+0x24/0x40 [ 139.855605] direct_entry+0xd4/0x140 [ 139.859198] full_proxy_write+0x6c/0xc0 [ 139.863050] vfs_write+0xf0/0x210 [ 139.866378] ksys_write+0x74/0x100 [ 139.869793] __arm64_sys_write+0x28/0x34 [ 139.873734] el0_svc_common.constprop.0+0x84/0x1e0 [ 139.878543] do_el0_svc+0x30/0xa0 [ 139.881875] el0_svc+0x20/0x30 [ 139.884944] el0_sync_handler+0x1a4/0x1b0 [ 139.888969] el0_sync+0x180/0x1c0 [ 139.892294] irq event stamp: 0 [ 139.895364] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 139.901656] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 [ 139.909860] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 [ 139.918062] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 139.924346] ---[ end trace df0a09a550b05dc7 ]--- [ 139.929186] lkdtm: Negative detected: saturated # [ 139.682408] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 139.688489] lkdtm: attempting bad refcount_dec() below zero # [ 139.694136] ------------[ cut here ]------------ # [ 139.698820] refcount_t: decrement hit 0; leaking memory. # [ 139.704271] WARNING: CPU: 5 PID: 2376 at lib/refcount.c:31 refcount_warn_saturate+0x13c/0x144 # [ 139.712820] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 139.722326] CPU: 5 PID: 2376 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 139.730090] Hardware name: ARM Juno development board (r0) (DT) # [ 139.736029] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 139.742058] pc : refcount_warn_saturate+0x13c/0x144 # [ 139.746955] lr : refcount_warn_saturate+0x13c/0x144 # [ 139.751846] sp : ffff8000165a3cc0 # [ 139.755171] x29: ffff8000165a3cc0 x28: ffff0008048eb100 # [ 139.760513] x27: 0000000000000000 x26: 0000000000000000 # [ 139.765855] x25: ffff800011520068 x24: ffff8000165a3e20 # [ 139.771197] x23: 0000000000000016 x22: ffff000800d0f000 # [ 139.776539] x21: ffff800011a34c68 x20: ffff800011520368 # [ 139.781881] x19: ffff8000165a3d04 x18: 0000000000000000 # [ 139.787223] x17: 0000000000000000 x16: 0000000000000000 # [ 139.792565] x15: 0000000000000030 x14: ffffffffffffffff # [ 139.797907] x13: ffff8000965a3967 x12: ffff8000165a396f # [ 139.803248] x11: 0000000000000028 x10: ffff800012618450 # [ 139.808590] x9 : ffff800010133204 x8 : ffff8000125c0450 # [ 139.813932] x7 : ffff800012618450 x6 : ffff800012591000 # [ 139.819274] x5 : ffff800012591c88 x4 : ffff00097efb2c50 # [ 139.824615] x3 : 0000000000000000 x2 : 0000000000000000 # [ 139.829957] x1 : 0000000000000000 x0 : ffff0008048eb100 # [ 139.835299] Call trace: # [ 139.837760] refcount_warn_saturate+0x13c/0x144 # [ 139.842309] __refcount_dec.constprop.0+0x4c/0x5c # [ 139.847030] lkdtm_REFCOUNT_DEC_NEGATIVE+0x40/0x74 # [ 139.851841] lkdtm_do_action+0x24/0x40 # [ 139.855605] direct_entry+0xd4/0x140 # [ 139.859198] full_proxy_write+0x6c/0xc0 # [ 139.863050] vfs_write+0xf0/0x210 # [ 139.866378] ksys_write+0x74/0x100 # [ 139.869793] __arm64_sys_write+0x28/0x34 # [ 139.873734] el0_svc_common.constprop.0+0x84/0x1e0 # [ 139.878543] do_el0_svc+0x30/0xa0 # [ 139.881875] el0_svc+0x20/0x30 # [ 139.884944] el0_sync_handler+0x1a4/0x1b0 # [ 139.888969] el0_sync+0x180/0x1c0 # [ 139.892294] irq event stamp: 0 # [ 139.895364] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 139.901656] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 # [ 139.909860] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 # [ 139.918062] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 139.924346] ---[ end trace df0a09a550b05dc7 ]--- # [ 139.929186] 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 [ 140.415986] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE [ 140.422878] lkdtm: attempting bad refcount_dec_and_test() below zero [ 140.429335] ------------[ cut here ]------------ [ 140.434022] refcount_t: underflow; use-after-free. [ 140.439022] WARNING: CPU: 4 PID: 2411 at lib/refcount.c:28 refcount_warn_saturate+0xf4/0x144 [ 140.447484] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 140.456990] CPU: 4 PID: 2411 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 140.464753] Hardware name: ARM Juno development board (r0) (DT) [ 140.470694] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 140.476723] pc : refcount_warn_saturate+0xf4/0x144 [ 140.481532] lr : refcount_warn_saturate+0xf4/0x144 [ 140.486336] sp : ffff80001664bcd0 [ 140.489661] x29: ffff80001664bcd0 x28: ffff000802818000 [ 140.495004] x27: 0000000000000000 x26: 0000000000000000 [ 140.500346] x25: ffff800011520068 x24: ffff80001664be20 [ 140.505689] x23: 000000000000001f x22: ffff000803fde000 [ 140.511031] x21: ffff800011a34c80 x20: ffff800011520378 [ 140.516373] x19: 0000000000000031 x18: 0000000000000000 [ 140.521715] x17: 0000000000000000 x16: 0000000000000000 [ 140.527056] x15: 0000000000000030 x14: ffffffffffffffff [ 140.532399] x13: ffff80009664b977 x12: 00000127875cfd2c [ 140.537740] x11: 0004b78aea100898 x10: 0000000000001440 [ 140.543082] x9 : ffff800010133204 x8 : ffff0008028194a0 [ 140.548424] x7 : 0000000000000000 x6 : ffff800012591000 [ 140.553766] x5 : ffff800012591c88 x4 : ffff00097ef90c50 [ 140.559108] x3 : 0000000000000000 x2 : 0000000000000000 [ 140.564449] x1 : 0000000000000000 x0 : ffff000802818000 [ 140.569791] Call trace: [ 140.572252] refcount_warn_saturate+0xf4/0x144 [ 140.576715] __refcount_sub_and_test.constprop.0+0x64/0x7c [ 140.582221] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x48/0x90 [ 140.587813] lkdtm_do_action+0x24/0x40 [ 140.591578] direct_entry+0xd4/0x140 [ 140.595170] full_proxy_write+0x6c/0xc0 [ 140.599022] vfs_write+0xf0/0x210 [ 140.602350] ksys_write+0x74/0x100 [ 140.605766] __arm64_sys_write+0x28/0x34 [ 140.609706] el0_svc_common.constprop.0+0x84/0x1e0 [ 140.614515] do_el0_svc+0x30/0xa0 [ 140.617844] el0_svc+0x20/0x30 [ 140.620913] el0_sync_handler+0x1a4/0x1b0 [ 140.624937] el0_sync+0x180/0x1c0 [ 140.628263] irq event stamp: 0 [ 140.631333] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 140.637625] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 [ 140.645829] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 [ 140.654031] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 140.660315] ---[ end trace df0a09a550b05dc8 ]--- [ 140.665241] lkdtm: Negative detected: saturated # [ 140.415986] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 140.422878] lkdtm: attempting bad refcount_dec_and_test() below zero # [ 140.429335] ------------[ cut here ]------------ # [ 140.434022] refcount_t: underflow; use-after-free. # [ 140.439022] WARNING: CPU: 4 PID: 2411 at lib/refcount.c:28 refcount_warn_saturate+0xf4/0x144 # [ 140.447484] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 140.456990] CPU: 4 PID: 2411 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 140.464753] Hardware name: ARM Juno development board (r0) (DT) # [ 140.470694] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 140.476723] pc : refcount_warn_saturate+0xf4/0x144 # [ 140.481532] lr : refcount_warn_saturate+0xf4/0x144 # [ 140.486336] sp : ffff80001664bcd0 # [ 140.489661] x29: ffff80001664bcd0 x28: ffff000802818000 # [ 140.495004] x27: 0000000000000000 x26: 0000000000000000 # [ 140.500346] x25: ffff800011520068 x24: ffff80001664be20 # [ 140.505689] x23: 000000000000001f x22: ffff000803fde000 # [ 140.511031] x21: ffff800011a34c80 x20: ffff800011520378 # [ 140.516373] x19: 0000000000000031 x18: 0000000000000000 # [ 140.521715] x17: 0000000000000000 x16: 0000000000000000 # [ 140.527056] x15: 0000000000000030 x14: ffffffffffffffff # [ 140.532399] x13: ffff80009664b977 x12: 00000127875cfd2c # [ 140.537740] x11: 0004b78aea100898 x10: 0000000000001440 # [ 140.543082] x9 : ffff800010133204 x8 : ffff0008028194a0 # [ 140.548424] x7 : 0000000000000000 x6 : ffff800012591000 # [ 140.553766] x5 : ffff800012591c88 x4 : ffff00097ef90c50 # [ 140.559108] x3 : 0000000000000000 x2 : 0000000000000000 # [ 140.564449] x1 : 0000000000000000 x0 : ffff000802818000 # [ 140.569791] Call trace: # [ 140.572252] refcount_warn_saturate+0xf4/0x144 # [ 140.576715] __refcount_sub_and_test.constprop.0+0x64/0x7c # [ 140.582221] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x48/0x90 # [ 140.587813] lkdtm_do_action+0x24/0x40 # [ 140.591578] direct_entry+0xd4/0x140 # [ 140.595170] full_proxy_write+0x6c/0xc0 # [ 140.599022] vfs_write+0xf0/0x210 # [ 140.602350] ksys_write+0x74/0x100 # [ 140.605766] __arm64_sys_write+0x28/0x34 # [ 140.609706] el0_svc_common.constprop.0+0x84/0x1e0 # [ 140.614515] do_el0_svc+0x30/0xa0 # [ 140.617844] el0_svc+0x20/0x30 # [ 140.620913] el0_sync_handler+0x1a4/0x1b0 # [ 140.624937] el0_sync+0x180/0x1c0 # [ 140.628263] irq event stamp: 0 # [ 140.631333] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 140.637625] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 # [ 140.645829] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 # [ 140.654031] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 140.660315] ---[ end trace df0a09a550b05dc8 ]--- # [ 140.665241] 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 [ 141.140970] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE [ 141.147846] lkdtm: attempting bad refcount_sub_and_test() below zero [ 141.154282] ------------[ cut here ]------------ [ 141.158970] refcount_t: underflow; use-after-free. [ 141.163969] WARNING: CPU: 4 PID: 2446 at lib/refcount.c:28 refcount_warn_saturate+0xf4/0x144 [ 141.172430] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 141.181936] CPU: 4 PID: 2446 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 141.189700] Hardware name: ARM Juno development board (r0) (DT) [ 141.195640] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 141.201669] pc : refcount_warn_saturate+0xf4/0x144 [ 141.206477] lr : refcount_warn_saturate+0xf4/0x144 [ 141.211282] sp : ffff8000166f3cd0 [ 141.214607] x29: ffff8000166f3cd0 x28: ffff0008065ab100 [ 141.219950] x27: 0000000000000000 x26: 0000000000000000 [ 141.225292] x25: ffff800011520068 x24: ffff8000166f3e20 [ 141.230634] x23: 000000000000001f x22: ffff000805d09000 [ 141.235976] x21: ffff800011a34ca0 x20: ffff800011520388 [ 141.241318] x19: 0000000000000032 x18: 0000000000000000 [ 141.246660] x17: 0000000000000000 x16: 0000000000000000 [ 141.252001] x15: 0000000000000030 x14: ffffffffffffffff [ 141.257343] x13: ffff8000966f3977 x12: ffff8000166f397f [ 141.262685] x11: 0000000000000030 x10: 0000000000001440 [ 141.268026] x9 : ffff800010133204 x8 : ffff0008065ac5a0 [ 141.273369] x7 : 0000000000000000 x6 : ffff800012591000 [ 141.278710] x5 : ffff800012591c88 x4 : ffff00097ef90c50 [ 141.284052] x3 : 0000000000000000 x2 : 0000000000000000 [ 141.289393] x1 : 0000000000000000 x0 : ffff0008065ab100 [ 141.294735] Call trace: [ 141.297196] refcount_warn_saturate+0xf4/0x144 [ 141.301658] __refcount_sub_and_test.constprop.0+0x64/0x7c [ 141.307164] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x4c/0x94 [ 141.312757] lkdtm_do_action+0x24/0x40 [ 141.316522] direct_entry+0xd4/0x140 [ 141.320114] full_proxy_write+0x6c/0xc0 [ 141.323966] vfs_write+0xf0/0x210 [ 141.327294] ksys_write+0x74/0x100 [ 141.330710] __arm64_sys_write+0x28/0x34 [ 141.334651] el0_svc_common.constprop.0+0x84/0x1e0 [ 141.339459] do_el0_svc+0x30/0xa0 [ 141.342790] el0_svc+0x20/0x30 [ 141.345859] el0_sync_handler+0x1a4/0x1b0 [ 141.349883] el0_sync+0x180/0x1c0 [ 141.353209] irq event stamp: 0 [ 141.356279] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 141.362570] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 [ 141.370774] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 [ 141.378976] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 141.385260] ---[ end trace df0a09a550b05dc9 ]--- [ 141.390079] lkdtm: Negative detected: saturated # [ 141.140970] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 141.147846] lkdtm: attempting bad refcount_sub_and_test() below zero # [ 141.154282] ------------[ cut here ]------------ # [ 141.158970] refcount_t: underflow; use-after-free. # [ 141.163969] WARNING: CPU: 4 PID: 2446 at lib/refcount.c:28 refcount_warn_saturate+0xf4/0x144 # [ 141.172430] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 141.181936] CPU: 4 PID: 2446 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 141.189700] Hardware name: ARM Juno development board (r0) (DT) # [ 141.195640] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 141.201669] pc : refcount_warn_saturate+0xf4/0x144 # [ 141.206477] lr : refcount_warn_saturate+0xf4/0x144 # [ 141.211282] sp : ffff8000166f3cd0 # [ 141.214607] x29: ffff8000166f3cd0 x28: ffff0008065ab100 # [ 141.219950] x27: 0000000000000000 x26: 0000000000000000 # [ 141.225292] x25: ffff800011520068 x24: ffff8000166f3e20 # [ 141.230634] x23: 000000000000001f x22: ffff000805d09000 # [ 141.235976] x21: ffff800011a34ca0 x20: ffff800011520388 # [ 141.241318] x19: 0000000000000032 x18: 0000000000000000 # [ 141.246660] x17: 0000000000000000 x16: 0000000000000000 # [ 141.252001] x15: 0000000000000030 x14: ffffffffffffffff # [ 141.257343] x13: ffff8000966f3977 x12: ffff8000166f397f # [ 141.262685] x11: 0000000000000030 x10: 0000000000001440 # [ 141.268026] x9 : ffff800010133204 x8 : ffff0008065ac5a0 # [ 141.273369] x7 : 0000000000000000 x6 : ffff800012591000 # [ 141.278710] x5 : ffff800012591c88 x4 : ffff00097ef90c50 # [ 141.284052] x3 : 0000000000000000 x2 : 0000000000000000 # [ 141.289393] x1 : 0000000000000000 x0 : ffff0008065ab100 # [ 141.294735] Call trace: # [ 141.297196] refcount_warn_saturate+0xf4/0x144 # [ 141.301658] __refcount_sub_and_test.constprop.0+0x64/0x7c # [ 141.307164] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x4c/0x94 # [ 141.312757] lkdtm_do_action+0x24/0x40 # [ 141.316522] direct_entry+0xd4/0x140 # [ 141.320114] full_proxy_write+0x6c/0xc0 # [ 141.323966] vfs_write+0xf0/0x210 # [ 141.327294] ksys_write+0x74/0x100 # [ 141.330710] __arm64_sys_write+0x28/0x34 # [ 141.334651] el0_svc_common.constprop.0+0x84/0x1e0 # [ 141.339459] do_el0_svc+0x30/0xa0 # [ 141.342790] el0_svc+0x20/0x30 # [ 141.345859] el0_sync_handler+0x1a4/0x1b0 # [ 141.349883] el0_sync+0x180/0x1c0 # [ 141.353209] irq event stamp: 0 # [ 141.356279] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 141.362570] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 # [ 141.370774] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 # [ 141.378976] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 141.385260] ---[ end trace df0a09a550b05dc9 ]--- # [ 141.390079] 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 [ 141.848944] lkdtm: Performing direct entry REFCOUNT_INC_ZERO [ 141.854688] lkdtm: attempting safe refcount_inc_not_zero() from zero [ 141.861132] lkdtm: Good: zero detected [ 141.864948] lkdtm: Correctly stayed at zero [ 141.869269] lkdtm: attempting bad refcount_inc() from zero [ 141.874851] ------------[ cut here ]------------ [ 141.879855] refcount_t: addition on 0; use-after-free. [ 141.885135] WARNING: CPU: 1 PID: 2478 at lib/refcount.c:25 refcount_warn_saturate+0xa0/0x144 [ 141.893591] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 141.903064] CPU: 1 PID: 2478 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 141.910823] Hardware name: ARM Juno development board (r0) (DT) [ 141.916756] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 141.922778] pc : refcount_warn_saturate+0xa0/0x144 [ 141.927580] lr : refcount_warn_saturate+0xa0/0x144 [ 141.932379] sp : ffff80001676bcd0 [ 141.935698] x29: ffff80001676bcd0 x28: ffff000802823100 [ 141.941032] x27: 0000000000000000 x26: 0000000000000000 [ 141.946364] x25: ffff800011520068 x24: ffff80001676be20 [ 141.951695] x23: 0000000000000012 x22: ffff0008042d0000 [ 141.957027] x21: ffff800011a34cc0 x20: ffff800011520398 [ 141.962358] x19: 0000000000000033 x18: 0000000000000000 [ 141.967690] x17: 0000000000000000 x16: 0000000000000000 [ 141.973021] x15: 0000000000000030 x14: ffffffffffffffff [ 141.978352] x13: ffff80009676b977 x12: ffff80001676b97f [ 141.983684] x11: 0000000000000000 x10: ffff800012618450 [ 141.989015] x9 : ffff800010133204 x8 : ffff8000125c0450 [ 141.994347] x7 : ffff800012618450 x6 : ffff800012591000 [ 141.999678] x5 : ffff800012591c88 x4 : ffff00097ef2ac50 [ 142.005009] x3 : 0000000000000000 x2 : 0000000000000000 [ 142.010340] x1 : 0000000000000000 x0 : ffff000802823100 [ 142.015672] Call trace: [ 142.018126] refcount_warn_saturate+0xa0/0x144 [ 142.022581] __refcount_add.constprop.0+0x54/0x80 [ 142.027296] lkdtm_REFCOUNT_INC_ZERO+0xa8/0xd8 [ 142.031750] lkdtm_do_action+0x24/0x40 [ 142.035508] direct_entry+0xd4/0x140 [ 142.039094] full_proxy_write+0x6c/0xc0 [ 142.042939] vfs_write+0xf0/0x210 [ 142.046261] ksys_write+0x74/0x100 [ 142.049670] __arm64_sys_write+0x28/0x34 [ 142.053603] el0_svc_common.constprop.0+0x84/0x1e0 [ 142.058404] do_el0_svc+0x30/0xa0 [ 142.061727] el0_svc+0x20/0x30 [ 142.064789] el0_sync_handler+0x1a4/0x1b0 [ 142.068807] el0_sync+0x180/0x1c0 [ 142.072127] irq event stamp: 0 [ 142.075190] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 142.081475] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 [ 142.089672] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 [ 142.097867] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 142.104145] ---[ end trace df0a09a550b05dca ]--- [ 142.108865] lkdtm: Zero detected: saturated # [ 141.848944] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 141.854688] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 141.861132] lkdtm: Good: zero detected # [ 141.864948] lkdtm: Correctly stayed at zero # [ 141.869269] lkdtm: attempting bad refcount_inc() from zero # [ 141.874851] ------------[ cut here ]------------ # [ 141.879855] refcount_t: addition on 0; use-after-free. # [ 141.885135] WARNING: CPU: 1 PID: 2478 at lib/refcount.c:25 refcount_warn_saturate+0xa0/0x144 # [ 141.893591] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 141.903064] CPU: 1 PID: 2478 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 141.910823] Hardware name: ARM Juno development board (r0) (DT) # [ 141.916756] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 141.922778] pc : refcount_warn_saturate+0xa0/0x144 # [ 141.927580] lr : refcount_warn_saturate+0xa0/0x144 # [ 141.932379] sp : ffff80001676bcd0 # [ 141.935698] x29: ffff80001676bcd0 x28: ffff000802823100 # [ 141.941032] x27: 0000000000000000 x26: 0000000000000000 # [ 141.946364] x25: ffff800011520068 x24: ffff80001676be20 # [ 141.951695] x23: 0000000000000012 x22: ffff0008042d0000 # [ 141.957027] x21: ffff800011a34cc0 x20: ffff800011520398 # [ 141.962358] x19: 0000000000000033 x18: 0000000000000000 # [ 141.967690] x17: 0000000000000000 x16: 0000000000000000 # [ 141.973021] x15: 0000000000000030 x14: ffffffffffffffff # [ 141.978352] x13: ffff80009676b977 x12: ffff80001676b97f # [ 141.983684] x11: 0000000000000000 x10: ffff800012618450 # [ 141.989015] x9 : ffff800010133204 x8 : ffff8000125c0450 # [ 141.994347] x7 : ffff800012618450 x6 : ffff800012591000 # [ 141.999678] x5 : ffff800012591c88 x4 : ffff00097ef2ac50 # [ 142.005009] x3 : 0000000000000000 x2 : 0000000000000000 # [ 142.010340] x1 : 0000000000000000 x0 : ffff000802823100 # [ 142.015672] Call trace: # [ 142.018126] refcount_warn_saturate+0xa0/0x144 # [ 142.022581] __refcount_add.constprop.0+0x54/0x80 # [ 142.027296] lkdtm_REFCOUNT_INC_ZERO+0xa8/0xd8 # [ 142.031750] lkdtm_do_action+0x24/0x40 # [ 142.035508] direct_entry+0xd4/0x140 # [ 142.039094] full_proxy_write+0x6c/0xc0 # [ 142.042939] vfs_write+0xf0/0x210 # [ 142.046261] ksys_write+0x74/0x100 # [ 142.049670] __arm64_sys_write+0x28/0x34 # [ 142.053603] el0_svc_common.constprop.0+0x84/0x1e0 # [ 142.058404] do_el0_svc+0x30/0xa0 # [ 142.061727] el0_svc+0x20/0x30 # [ 142.064789] el0_sync_handler+0x1a4/0x1b0 # [ 142.068807] el0_sync+0x180/0x1c0 # [ 142.072127] irq event stamp: 0 # [ 142.075190] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 142.081475] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 # [ 142.089672] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 # [ 142.097867] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 142.104145] ---[ end trace df0a09a550b05dca ]--- # [ 142.108865] 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 [ 142.582295] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO [ 142.588039] lkdtm: attempting safe refcount_add_not_zero() from zero [ 142.594474] lkdtm: Good: zero detected [ 142.598290] lkdtm: Correctly stayed at zero [ 142.602542] lkdtm: attempting bad refcount_add() from zero [ 142.608163] ------------[ cut here ]------------ [ 142.613401] refcount_t: addition on 0; use-after-free. [ 142.618771] WARNING: CPU: 1 PID: 2510 at lib/refcount.c:25 refcount_warn_saturate+0xa0/0x144 [ 142.627227] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 142.636701] CPU: 1 PID: 2510 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 142.644460] Hardware name: ARM Juno development board (r0) (DT) [ 142.650394] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 142.656415] pc : refcount_warn_saturate+0xa0/0x144 [ 142.661217] lr : refcount_warn_saturate+0xa0/0x144 [ 142.666016] sp : ffff8000167fbcd0 [ 142.669336] x29: ffff8000167fbcd0 x28: ffff00080668c980 [ 142.674669] x27: 0000000000000000 x26: 0000000000000000 [ 142.680001] x25: ffff800011520068 x24: ffff8000167fbe20 [ 142.685334] x23: 0000000000000012 x22: ffff00080652a000 [ 142.690665] x21: ffff800011a34cd8 x20: ffff8000115203a8 [ 142.695997] x19: 0000000000000034 x18: 0000000000000000 [ 142.701328] x17: 0000000000000000 x16: 0000000000000000 [ 142.706659] x15: 0000000000000030 x14: ffffffffffffffff [ 142.711991] x13: ffff8000967fb977 x12: ffff8000167fb97f [ 142.717322] x11: 0000000000000000 x10: ffff800012618450 [ 142.722654] x9 : ffff800010133204 x8 : ffff8000125c0450 [ 142.727985] x7 : ffff800012618450 x6 : ffff800012591000 [ 142.733316] x5 : ffff800012591c88 x4 : ffff00097ef2ac50 [ 142.738648] x3 : 0000000000000000 x2 : 0000000000000000 [ 142.743979] x1 : 0000000000000000 x0 : ffff00080668c980 [ 142.749311] Call trace: [ 142.751765] refcount_warn_saturate+0xa0/0x144 [ 142.756220] __refcount_add.constprop.0+0x54/0x80 [ 142.760936] lkdtm_REFCOUNT_ADD_ZERO+0xa8/0xd8 [ 142.765391] lkdtm_do_action+0x24/0x40 [ 142.769149] direct_entry+0xd4/0x140 [ 142.772734] full_proxy_write+0x6c/0xc0 [ 142.776581] vfs_write+0xf0/0x210 [ 142.779902] ksys_write+0x74/0x100 [ 142.783311] __arm64_sys_write+0x28/0x34 [ 142.787245] el0_svc_common.constprop.0+0x84/0x1e0 [ 142.792047] do_el0_svc+0x30/0xa0 [ 142.795370] el0_svc+0x20/0x30 [ 142.798432] el0_sync_handler+0x1a4/0x1b0 [ 142.802451] el0_sync+0x180/0x1c0 [ 142.805771] irq event stamp: 0 [ 142.808834] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 142.815119] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 [ 142.823317] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 [ 142.831512] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 142.837791] ---[ end trace df0a09a550b05dcb ]--- [ 142.842470] lkdtm: Zero detected: saturated # [ 142.582295] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 142.588039] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 142.594474] lkdtm: Good: zero detected # [ 142.598290] lkdtm: Correctly stayed at zero # [ 142.602542] lkdtm: attempting bad refcount_add() from zero # [ 142.608163] ------------[ cut here ]------------ # [ 142.613401] refcount_t: addition on 0; use-after-free. # [ 142.618771] WARNING: CPU: 1 PID: 2510 at lib/refcount.c:25 refcount_warn_saturate+0xa0/0x144 # [ 142.627227] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 142.636701] CPU: 1 PID: 2510 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 142.644460] Hardware name: ARM Juno development board (r0) (DT) # [ 142.650394] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 142.656415] pc : refcount_warn_saturate+0xa0/0x144 # [ 142.661217] lr : refcount_warn_saturate+0xa0/0x144 # [ 142.666016] sp : ffff8000167fbcd0 # [ 142.669336] x29: ffff8000167fbcd0 x28: ffff00080668c980 # [ 142.674669] x27: 0000000000000000 x26: 0000000000000000 # [ 142.680001] x25: ffff800011520068 x24: ffff8000167fbe20 # [ 142.685334] x23: 0000000000000012 x22: ffff00080652a000 # [ 142.690665] x21: ffff800011a34cd8 x20: ffff8000115203a8 # [ 142.695997] x19: 0000000000000034 x18: 0000000000000000 # [ 142.701328] x17: 0000000000000000 x16: 0000000000000000 # [ 142.706659] x15: 0000000000000030 x14: ffffffffffffffff # [ 142.711991] x13: ffff8000967fb977 x12: ffff8000167fb97f # [ 142.717322] x11: 0000000000000000 x10: ffff800012618450 # [ 142.722654] x9 : ffff800010133204 x8 : ffff8000125c0450 # [ 142.727985] x7 : ffff800012618450 x6 : ffff800012591000 # [ 142.733316] x5 : ffff800012591c88 x4 : ffff00097ef2ac50 # [ 142.738648] x3 : 0000000000000000 x2 : 0000000000000000 # [ 142.743979] x1 : 0000000000000000 x0 : ffff00080668c980 # [ 142.749311] Call trace: # [ 142.751765] refcount_warn_saturate+0xa0/0x144 # [ 142.756220] __refcount_add.constprop.0+0x54/0x80 # [ 142.760936] lkdtm_REFCOUNT_ADD_ZERO+0xa8/0xd8 # [ 142.765391] lkdtm_do_action+0x24/0x40 # [ 142.769149] direct_entry+0xd4/0x140 # [ 142.772734] full_proxy_write+0x6c/0xc0 # [ 142.776581] vfs_write+0xf0/0x210 # [ 142.779902] ksys_write+0x74/0x100 # [ 142.783311] __arm64_sys_write+0x28/0x34 # [ 142.787245] el0_svc_common.constprop.0+0x84/0x1e0 # [ 142.792047] do_el0_svc+0x30/0xa0 # [ 142.795370] el0_svc+0x20/0x30 # [ 142.798432] el0_sync_handler+0x1a4/0x1b0 # [ 142.802451] el0_sync+0x180/0x1c0 # [ 142.805771] irq event stamp: 0 # [ 142.808834] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 142.815119] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 # [ 142.823317] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 # [ 142.831512] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 142.837791] ---[ end trace df0a09a550b05dcb ]--- # [ 142.842470] 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 [ 143.319845] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED [ 143.326051] lkdtm: attempting bad refcount_inc() from saturated [ 143.332276] ------------[ cut here ]------------ [ 143.336990] refcount_t: saturated; leaking memory. [ 143.342272] WARNING: CPU: 1 PID: 2545 at lib/refcount.c:22 refcount_warn_saturate+0x74/0x144 [ 143.350732] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 143.360207] CPU: 1 PID: 2545 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 143.367966] Hardware name: ARM Juno development board (r0) (DT) [ 143.373900] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 143.379921] pc : refcount_warn_saturate+0x74/0x144 [ 143.384724] lr : refcount_warn_saturate+0x74/0x144 [ 143.389522] sp : ffff80001688bcd0 [ 143.392842] x29: ffff80001688bcd0 x28: ffff0008065ab100 [ 143.398175] x27: 0000000000000000 x26: 0000000000000000 [ 143.403508] x25: ffff800011520068 x24: ffff80001688be20 [ 143.408839] x23: 0000000000000017 x22: ffff0008050d6000 [ 143.414171] x21: ffff800011a34cf0 x20: ffff8000115203b8 [ 143.419502] x19: 0000000000000035 x18: 0000000000000000 [ 143.424834] x17: 0000000000000000 x16: 0000000000000000 [ 143.430165] x15: 0000000000000000 x14: ffff00080028e200 [ 143.435496] x13: ffff80096d13f000 x12: 0000000030d4d91d [ 143.440828] x11: 0000000000000000 x10: 0000000000001440 [ 143.446160] x9 : ffff800011292f70 x8 : ffff0008065ac5a0 [ 143.451491] x7 : ffff80096d13f000 x6 : ffff800012591000 [ 143.456823] x5 : ffff800012591c88 x4 : 0000000000000001 [ 143.462153] x3 : 0000000000000000 x2 : 0000000000000000 [ 143.467484] x1 : 0000000000000000 x0 : ffff0008065ab100 [ 143.472816] Call trace: [ 143.475270] refcount_warn_saturate+0x74/0x144 [ 143.479726] __refcount_add.constprop.0+0x6c/0x80 [ 143.484443] lkdtm_REFCOUNT_INC_SATURATED+0x48/0x78 [ 143.489332] lkdtm_do_action+0x24/0x40 [ 143.493090] direct_entry+0xd4/0x140 [ 143.496676] full_proxy_write+0x6c/0xc0 [ 143.500521] vfs_write+0xf0/0x210 [ 143.503842] ksys_write+0x74/0x100 [ 143.507251] __arm64_sys_write+0x28/0x34 [ 143.511185] el0_svc_common.constprop.0+0x84/0x1e0 [ 143.515987] do_el0_svc+0x30/0xa0 [ 143.519310] el0_svc+0x20/0x30 [ 143.522372] el0_sync_handler+0x1a4/0x1b0 [ 143.526391] el0_sync+0x180/0x1c0 [ 143.529711] irq event stamp: 0 [ 143.532774] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 143.539058] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 [ 143.547256] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 [ 143.555451] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 143.561729] ---[ end trace df0a09a550b05dcc ]--- [ 143.566434] lkdtm: Saturation detected: still saturated # [ 143.319845] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 143.326051] lkdtm: attempting bad refcount_inc() from saturated # [ 143.332276] ------------[ cut here ]------------ # [ 143.336990] refcount_t: saturated; leaking memory. # [ 143.342272] WARNING: CPU: 1 PID: 2545 at lib/refcount.c:22 refcount_warn_saturate+0x74/0x144 # [ 143.350732] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 143.360207] CPU: 1 PID: 2545 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 143.367966] Hardware name: ARM Juno development board (r0) (DT) # [ 143.373900] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 143.379921] pc : refcount_warn_saturate+0x74/0x144 # [ 143.384724] lr : refcount_warn_saturate+0x74/0x144 # [ 143.389522] sp : ffff80001688bcd0 # [ 143.392842] x29: ffff80001688bcd0 x28: ffff0008065ab100 # [ 143.398175] x27: 0000000000000000 x26: 0000000000000000 # [ 143.403508] x25: ffff800011520068 x24: ffff80001688be20 # [ 143.408839] x23: 0000000000000017 x22: ffff0008050d6000 # [ 143.414171] x21: ffff800011a34cf0 x20: ffff8000115203b8 # [ 143.419502] x19: 0000000000000035 x18: 0000000000000000 # [ 143.424834] x17: 0000000000000000 x16: 0000000000000000 # [ 143.430165] x15: 0000000000000000 x14: ffff00080028e200 # [ 143.435496] x13: ffff80096d13f000 x12: 0000000030d4d91d # [ 143.440828] x11: 0000000000000000 x10: 0000000000001440 # [ 143.446160] x9 : ffff800011292f70 x8 : ffff0008065ac5a0 # [ 143.451491] x7 : ffff80096d13f000 x6 : ffff800012591000 # [ 143.456823] x5 : ffff800012591c88 x4 : 0000000000000001 # [ 143.462153] x3 : 0000000000000000 x2 : 0000000000000000 # [ 143.467484] x1 : 0000000000000000 x0 : ffff0008065ab100 # [ 143.472816] Call trace: # [ 143.475270] refcount_warn_saturate+0x74/0x144 # [ 143.479726] __refcount_add.constprop.0+0x6c/0x80 # [ 143.484443] lkdtm_REFCOUNT_INC_SATURATED+0x48/0x78 # [ 143.489332] lkdtm_do_action+0x24/0x40 # [ 143.493090] direct_entry+0xd4/0x140 # [ 143.496676] full_proxy_write+0x6c/0xc0 # [ 143.500521] vfs_write+0xf0/0x210 # [ 143.503842] ksys_write+0x74/0x100 # [ 143.507251] __arm64_sys_write+0x28/0x34 # [ 143.511185] el0_svc_common.constprop.0+0x84/0x1e0 # [ 143.515987] do_el0_svc+0x30/0xa0 # [ 143.519310] el0_svc+0x20/0x30 # [ 143.522372] el0_sync_handler+0x1a4/0x1b0 # [ 143.526391] el0_sync+0x180/0x1c0 # [ 143.529711] irq event stamp: 0 # [ 143.532774] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 143.539058] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 # [ 143.547256] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 # [ 143.555451] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 143.561729] ---[ end trace df0a09a550b05dcc ]--- # [ 143.566434] 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 [ 144.052720] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED [ 144.058897] lkdtm: attempting bad refcount_dec() from saturated [ 144.064898] ------------[ cut here ]------------ [ 144.069588] refcount_t: decrement hit 0; leaking memory. [ 144.075105] WARNING: CPU: 0 PID: 2580 at lib/refcount.c:31 refcount_warn_saturate+0x13c/0x144 [ 144.083654] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 144.093160] CPU: 0 PID: 2580 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 144.100923] Hardware name: ARM Juno development board (r0) (DT) [ 144.106864] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 144.112893] pc : refcount_warn_saturate+0x13c/0x144 [ 144.117789] lr : refcount_warn_saturate+0x13c/0x144 [ 144.122680] sp : ffff800016933cc0 [ 144.126005] x29: ffff800016933cc0 x28: ffff0008065a9880 [ 144.131348] x27: 0000000000000000 x26: 0000000000000000 [ 144.136690] x25: ffff800011520068 x24: ffff800016933e20 [ 144.142032] x23: 0000000000000017 x22: ffff0008050c5000 [ 144.147374] x21: ffff800011a34d08 x20: ffff8000115203c8 [ 144.152716] x19: ffff800016933d04 x18: 0000000000000001 [ 144.158057] x17: 0000000000000000 x16: 0000000000000000 [ 144.163399] x15: 0000000000000030 x14: ffffffffffffffff [ 144.168741] x13: ffff800096933967 x12: ffff800016933970 [ 144.174083] x11: 0000000000000030 x10: 0000000000001440 [ 144.179425] x9 : ffff800010133204 x8 : ffff0008065aad20 [ 144.184767] x7 : 0000000000000000 x6 : ffff800012591000 [ 144.190108] x5 : ffff800012591c88 x4 : ffff00097ef08c50 [ 144.195449] x3 : 0000000000000000 x2 : 0000000000000000 [ 144.200791] x1 : 0000000000000000 x0 : ffff0008065a9880 [ 144.206132] Call trace: [ 144.208593] refcount_warn_saturate+0x13c/0x144 [ 144.213143] __refcount_dec.constprop.0+0x4c/0x5c [ 144.217864] lkdtm_REFCOUNT_DEC_SATURATED+0x44/0x74 [ 144.222762] lkdtm_do_action+0x24/0x40 [ 144.226526] direct_entry+0xd4/0x140 [ 144.230118] full_proxy_write+0x6c/0xc0 [ 144.233971] vfs_write+0xf0/0x210 [ 144.237299] ksys_write+0x74/0x100 [ 144.240714] __arm64_sys_write+0x28/0x34 [ 144.244656] el0_svc_common.constprop.0+0x84/0x1e0 [ 144.249464] do_el0_svc+0x30/0xa0 [ 144.252794] el0_svc+0x20/0x30 [ 144.255862] el0_sync_handler+0x1a4/0x1b0 [ 144.259887] el0_sync+0x180/0x1c0 [ 144.263213] irq event stamp: 0 [ 144.266283] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 144.272575] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 [ 144.280779] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 [ 144.288981] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 144.295265] ---[ end trace df0a09a550b05dcd ]--- [ 144.300081] lkdtm: Saturation detected: still saturated # [ 144.052720] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 144.058897] lkdtm: attempting bad refcount_dec() from saturated # [ 144.064898] ------------[ cut here ]------------ # [ 144.069588] refcount_t: decrement hit 0; leaking memory. # [ 144.075105] WARNING: CPU: 0 PID: 2580 at lib/refcount.c:31 refcount_warn_saturate+0x13c/0x144 # [ 144.083654] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 144.093160] CPU: 0 PID: 2580 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 144.100923] Hardware name: ARM Juno development board (r0) (DT) # [ 144.106864] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 144.112893] pc : refcount_warn_saturate+0x13c/0x144 # [ 144.117789] lr : refcount_warn_saturate+0x13c/0x144 # [ 144.122680] sp : ffff800016933cc0 # [ 144.126005] x29: ffff800016933cc0 x28: ffff0008065a9880 # [ 144.131348] x27: 0000000000000000 x26: 0000000000000000 # [ 144.136690] x25: ffff800011520068 x24: ffff800016933e20 # [ 144.142032] x23: 0000000000000017 x22: ffff0008050c5000 # [ 144.147374] x21: ffff800011a34d08 x20: ffff8000115203c8 # [ 144.152716] x19: ffff800016933d04 x18: 0000000000000001 # [ 144.158057] x17: 0000000000000000 x16: 0000000000000000 # [ 144.163399] x15: 0000000000000030 x14: ffffffffffffffff # [ 144.168741] x13: ffff800096933967 x12: ffff800016933970 # [ 144.174083] x11: 0000000000000030 x10: 0000000000001440 # [ 144.179425] x9 : ffff800010133204 x8 : ffff0008065aad20 # [ 144.184767] x7 : 0000000000000000 x6 : ffff800012591000 # [ 144.190108] x5 : ffff800012591c88 x4 : ffff00097ef08c50 # [ 144.195449] x3 : 0000000000000000 x2 : 0000000000000000 # [ 144.200791] x1 : 0000000000000000 x0 : ffff0008065a9880 # [ 144.206132] Call trace: # [ 144.208593] refcount_warn_saturate+0x13c/0x144 # [ 144.213143] __refcount_dec.constprop.0+0x4c/0x5c # [ 144.217864] lkdtm_REFCOUNT_DEC_SATURATED+0x44/0x74 # [ 144.222762] lkdtm_do_action+0x24/0x40 # [ 144.226526] direct_entry+0xd4/0x140 # [ 144.230118] full_proxy_write+0x6c/0xc0 # [ 144.233971] vfs_write+0xf0/0x210 # [ 144.237299] ksys_write+0x74/0x100 # [ 144.240714] __arm64_sys_write+0x28/0x34 # [ 144.244656] el0_svc_common.constprop.0+0x84/0x1e0 # [ 144.249464] do_el0_svc+0x30/0xa0 # [ 144.252794] el0_svc+0x20/0x30 # [ 144.255862] el0_sync_handler+0x1a4/0x1b0 # [ 144.259887] el0_sync+0x180/0x1c0 # [ 144.263213] irq event stamp: 0 # [ 144.266283] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 144.272575] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 # [ 144.280779] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 # [ 144.288981] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 144.295265] ---[ end trace df0a09a550b05dcd ]--- # [ 144.300081] 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 [ 144.831457] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED [ 144.837678] lkdtm: attempting bad refcount_dec() from saturated [ 144.843802] ------------[ cut here ]------------ [ 144.848491] refcount_t: saturated; leaking memory. [ 144.853486] WARNING: CPU: 3 PID: 2615 at lib/refcount.c:22 refcount_warn_saturate+0x74/0x144 [ 144.861949] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 144.871456] CPU: 3 PID: 2615 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 144.879219] Hardware name: ARM Juno development board (r0) (DT) [ 144.885159] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 144.891188] pc : refcount_warn_saturate+0x74/0x144 [ 144.895997] lr : refcount_warn_saturate+0x74/0x144 [ 144.900802] sp : ffff8000169cbcd0 [ 144.904127] x29: ffff8000169cbcd0 x28: ffff00080281e200 [ 144.909470] x27: 0000000000000000 x26: 0000000000000000 [ 144.914812] x25: ffff800011520068 x24: ffff8000169cbe20 [ 144.920154] x23: 0000000000000017 x22: ffff0008050c8000 [ 144.925496] x21: ffff800011a34d20 x20: ffff8000115203d8 [ 144.930837] x19: 0000000000000037 x18: 0000000000000000 [ 144.936179] x17: 0000000000000000 x16: 0000000000000000 [ 144.941521] x15: 0000000000000030 x14: ffffffffffffffff [ 144.946863] x13: ffff8000969cb977 x12: ffff8000169cb97f [ 144.952205] x11: 0000000000000030 x10: 0000000000001440 [ 144.957547] x9 : ffff800010133204 x8 : ffff00080281f6a0 [ 144.962889] x7 : 0000000000000000 x6 : ffff800012591000 [ 144.968231] x5 : ffff800012591c88 x4 : ffff00097ef6ec50 [ 144.973572] x3 : 0000000000000000 x2 : 0000000000000000 [ 144.978914] x1 : 0000000000000000 x0 : ffff00080281e200 [ 144.984255] Call trace: [ 144.986716] refcount_warn_saturate+0x74/0x144 [ 144.991178] __refcount_add.constprop.0+0x6c/0x80 [ 144.995900] lkdtm_REFCOUNT_ADD_SATURATED+0x48/0x78 [ 145.000797] lkdtm_do_action+0x24/0x40 [ 145.004562] direct_entry+0xd4/0x140 [ 145.008154] full_proxy_write+0x6c/0xc0 [ 145.012006] vfs_write+0xf0/0x210 [ 145.015335] ksys_write+0x74/0x100 [ 145.018750] __arm64_sys_write+0x28/0x34 [ 145.022691] el0_svc_common.constprop.0+0x84/0x1e0 [ 145.027499] do_el0_svc+0x30/0xa0 [ 145.030831] el0_svc+0x20/0x30 [ 145.033900] el0_sync_handler+0x1a4/0x1b0 [ 145.037924] el0_sync+0x180/0x1c0 [ 145.041249] irq event stamp: 0 [ 145.044320] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 145.050612] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 [ 145.058816] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 [ 145.067018] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 145.073302] ---[ end trace df0a09a550b05dce ]--- [ 145.078168] lkdtm: Saturation detected: still saturated # [ 144.831457] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 144.837678] lkdtm: attempting bad refcount_dec() from saturated # [ 144.843802] ------------[ cut here ]------------ # [ 144.848491] refcount_t: saturated; leaking memory. # [ 144.853486] WARNING: CPU: 3 PID: 2615 at lib/refcount.c:22 refcount_warn_saturate+0x74/0x144 # [ 144.861949] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 144.871456] CPU: 3 PID: 2615 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 144.879219] Hardware name: ARM Juno development board (r0) (DT) # [ 144.885159] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 144.891188] pc : refcount_warn_saturate+0x74/0x144 # [ 144.895997] lr : refcount_warn_saturate+0x74/0x144 # [ 144.900802] sp : ffff8000169cbcd0 # [ 144.904127] x29: ffff8000169cbcd0 x28: ffff00080281e200 # [ 144.909470] x27: 0000000000000000 x26: 0000000000000000 # [ 144.914812] x25: ffff800011520068 x24: ffff8000169cbe20 # [ 144.920154] x23: 0000000000000017 x22: ffff0008050c8000 # [ 144.925496] x21: ffff800011a34d20 x20: ffff8000115203d8 # [ 144.930837] x19: 0000000000000037 x18: 0000000000000000 # [ 144.936179] x17: 0000000000000000 x16: 0000000000000000 # [ 144.941521] x15: 0000000000000030 x14: ffffffffffffffff # [ 144.946863] x13: ffff8000969cb977 x12: ffff8000169cb97f # [ 144.952205] x11: 0000000000000030 x10: 0000000000001440 # [ 144.957547] x9 : ffff800010133204 x8 : ffff00080281f6a0 # [ 144.962889] x7 : 0000000000000000 x6 : ffff800012591000 # [ 144.968231] x5 : ffff800012591c88 x4 : ffff00097ef6ec50 # [ 144.973572] x3 : 0000000000000000 x2 : 0000000000000000 # [ 144.978914] x1 : 0000000000000000 x0 : ffff00080281e200 # [ 144.984255] Call trace: # [ 144.986716] refcount_warn_saturate+0x74/0x144 # [ 144.991178] __refcount_add.constprop.0+0x6c/0x80 # [ 144.995900] lkdtm_REFCOUNT_ADD_SATURATED+0x48/0x78 # [ 145.000797] lkdtm_do_action+0x24/0x40 # [ 145.004562] direct_entry+0xd4/0x140 # [ 145.008154] full_proxy_write+0x6c/0xc0 # [ 145.012006] vfs_write+0xf0/0x210 # [ 145.015335] ksys_write+0x74/0x100 # [ 145.018750] __arm64_sys_write+0x28/0x34 # [ 145.022691] el0_svc_common.constprop.0+0x84/0x1e0 # [ 145.027499] do_el0_svc+0x30/0xa0 # [ 145.030831] el0_svc+0x20/0x30 # [ 145.033900] el0_sync_handler+0x1a4/0x1b0 # [ 145.037924] el0_sync+0x180/0x1c0 # [ 145.041249] irq event stamp: 0 # [ 145.044320] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 145.050612] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 # [ 145.058816] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 # [ 145.067018] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 145.073302] ---[ end trace df0a09a550b05dce ]--- # [ 145.078168] 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 [ 145.555069] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED [ 145.562126] lkdtm: attempting bad refcount_inc_not_zero() from saturated [ 145.568977] ------------[ cut here ]------------ [ 145.573692] refcount_t: saturated; leaking memory. [ 145.578803] WARNING: CPU: 3 PID: 2647 at lib/refcount.c:19 refcount_warn_saturate+0xc8/0x144 [ 145.587265] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 145.596771] CPU: 3 PID: 2647 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 145.604534] Hardware name: ARM Juno development board (r0) (DT) [ 145.610474] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 145.616504] pc : refcount_warn_saturate+0xc8/0x144 [ 145.621313] lr : refcount_warn_saturate+0xc8/0x144 [ 145.626118] sp : ffff800016a63cb0 [ 145.629442] x29: ffff800016a63cb0 x28: ffff0008065a1880 [ 145.634786] x27: 0000000000000000 x26: 0000000000000000 [ 145.640128] x25: ffff800011520068 x24: ffff800016a63e20 [ 145.645470] x23: 0000000000000020 x22: ffff000804d8c000 [ 145.650812] x21: 0000000000000001 x20: 00000000c0000000 [ 145.656154] x19: ffff800016a63d04 x18: 0000000000000000 [ 145.661495] x17: 0000000000000000 x16: 0000000000000000 [ 145.666838] x15: 0000000000000030 x14: ffffffffffffffff [ 145.672180] x13: ffff800096a63957 x12: ffff800016a6395f [ 145.677521] x11: 0000000000000038 x10: ffff800012618450 [ 145.682863] x9 : ffff800010133204 x8 : ffff8000125c0450 [ 145.688205] x7 : ffff800012618450 x6 : ffff800012591000 [ 145.693547] x5 : ffff800012591c88 x4 : ffff00097ef6ec50 [ 145.698888] x3 : 0000000000000000 x2 : 0000000000000000 [ 145.704230] x1 : 0000000000000000 x0 : ffff0008065a1880 [ 145.709572] Call trace: [ 145.712032] refcount_warn_saturate+0xc8/0x144 [ 145.716495] __refcount_add_not_zero.constprop.0+0x84/0xa0 [ 145.722000] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x4c/0x90 [ 145.727681] lkdtm_do_action+0x24/0x40 [ 145.731446] direct_entry+0xd4/0x140 [ 145.735038] full_proxy_write+0x6c/0xc0 [ 145.738891] vfs_write+0xf0/0x210 [ 145.742219] ksys_write+0x74/0x100 [ 145.745634] __arm64_sys_write+0x28/0x34 [ 145.749575] el0_svc_common.constprop.0+0x84/0x1e0 [ 145.754384] do_el0_svc+0x30/0xa0 [ 145.757713] el0_svc+0x20/0x30 [ 145.760781] el0_sync_handler+0x1a4/0x1b0 [ 145.764806] el0_sync+0x180/0x1c0 [ 145.768132] irq event stamp: 0 [ 145.771202] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 145.777493] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 [ 145.785698] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 [ 145.793900] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 145.800184] ---[ end trace df0a09a550b05dcf ]--- [ 145.805082] lkdtm: Saturation detected: still saturated # [ 145.555069] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 145.562126] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 145.568977] ------------[ cut here ]------------ # [ 145.573692] refcount_t: saturated; leaking memory. # [ 145.578803] WARNING: CPU: 3 PID: 2647 at lib/refcount.c:19 refcount_warn_saturate+0xc8/0x144 # [ 145.587265] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 145.596771] CPU: 3 PID: 2647 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 145.604534] Hardware name: ARM Juno development board (r0) (DT) # [ 145.610474] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 145.616504] pc : refcount_warn_saturate+0xc8/0x144 # [ 145.621313] lr : refcount_warn_saturate+0xc8/0x144 # [ 145.626118] sp : ffff800016a63cb0 # [ 145.629442] x29: ffff800016a63cb0 x28: ffff0008065a1880 # [ 145.634786] x27: 0000000000000000 x26: 0000000000000000 # [ 145.640128] x25: ffff800011520068 x24: ffff800016a63e20 # [ 145.645470] x23: 0000000000000020 x22: ffff000804d8c000 # [ 145.650812] x21: 0000000000000001 x20: 00000000c0000000 # [ 145.656154] x19: ffff800016a63d04 x18: 0000000000000000 # [ 145.661495] x17: 0000000000000000 x16: 0000000000000000 # [ 145.666838] x15: 0000000000000030 x14: ffffffffffffffff # [ 145.672180] x13: ffff800096a63957 x12: ffff800016a6395f # [ 145.677521] x11: 0000000000000038 x10: ffff800012618450 # [ 145.682863] x9 : ffff800010133204 x8 : ffff8000125c0450 # [ 145.688205] x7 : ffff800012618450 x6 : ffff800012591000 # [ 145.693547] x5 : ffff800012591c88 x4 : ffff00097ef6ec50 # [ 145.698888] x3 : 0000000000000000 x2 : 0000000000000000 # [ 145.704230] x1 : 0000000000000000 x0 : ffff0008065a1880 # [ 145.709572] Call trace: # [ 145.712032] refcount_warn_saturate+0xc8/0x144 # [ 145.716495] __refcount_add_not_zero.constprop.0+0x84/0xa0 # [ 145.722000] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x4c/0x90 # [ 145.727681] lkdtm_do_action+0x24/0x40 # [ 145.731446] direct_entry+0xd4/0x140 # [ 145.735038] full_proxy_write+0x6c/0xc0 # [ 145.738891] vfs_write+0xf0/0x210 # [ 145.742219] ksys_write+0x74/0x100 # [ 145.745634] __arm64_sys_write+0x28/0x34 # [ 145.749575] el0_svc_common.constprop.0+0x84/0x1e0 # [ 145.754384] do_el0_svc+0x30/0xa0 # [ 145.757713] el0_svc+0x20/0x30 # [ 145.760781] el0_sync_handler+0x1a4/0x1b0 # [ 145.764806] el0_sync+0x180/0x1c0 # [ 145.768132] irq event stamp: 0 # [ 145.771202] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 145.777493] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 # [ 145.785698] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 # [ 145.793900] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 145.800184] ---[ end trace df0a09a550b05dcf ]--- # [ 145.805082] 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 [ 146.277204] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED [ 146.284166] lkdtm: attempting bad refcount_add_not_zero() from saturated [ 146.290948] ------------[ cut here ]------------ [ 146.295633] refcount_t: saturated; leaking memory. [ 146.300676] WARNING: CPU: 3 PID: 2679 at lib/refcount.c:19 refcount_warn_saturate+0xc8/0x144 [ 146.309138] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 146.318644] CPU: 3 PID: 2679 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 146.326407] Hardware name: ARM Juno development board (r0) (DT) [ 146.332347] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 146.338375] pc : refcount_warn_saturate+0xc8/0x144 [ 146.343185] lr : refcount_warn_saturate+0xc8/0x144 [ 146.347989] sp : ffff800016af3cb0 [ 146.351315] x29: ffff800016af3cb0 x28: ffff000803cbb100 [ 146.356659] x27: 0000000000000000 x26: 0000000000000000 [ 146.362001] x25: ffff800011520068 x24: ffff800016af3e20 [ 146.367343] x23: 0000000000000020 x22: ffff0008048a6000 [ 146.372685] x21: 0000000000000007 x20: 00000000c0000000 [ 146.378028] x19: ffff800016af3d04 x18: 0000000000000000 [ 146.383370] x17: 0000000000000000 x16: 0000000000000000 [ 146.388712] x15: 0000000000000030 x14: ffffffffffffffff [ 146.394055] x13: ffff800096af3957 x12: ffff800016af395f [ 146.399396] x11: 0000000000000038 x10: 0000000000001440 [ 146.404738] x9 : ffff800010133204 x8 : ffff000803cbc5a0 [ 146.410079] x7 : 0000000000000000 x6 : ffff800012591000 [ 146.415421] x5 : ffff800012591c88 x4 : ffff00097ef6ec50 [ 146.420763] x3 : 0000000000000000 x2 : 0000000000000000 [ 146.426104] x1 : 0000000000000000 x0 : ffff000803cbb100 [ 146.431445] Call trace: [ 146.433907] refcount_warn_saturate+0xc8/0x144 [ 146.438369] __refcount_add_not_zero.constprop.0+0x84/0xa0 [ 146.443873] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x4c/0x90 [ 146.449555] lkdtm_do_action+0x24/0x40 [ 146.453319] direct_entry+0xd4/0x140 [ 146.456911] full_proxy_write+0x6c/0xc0 [ 146.460764] vfs_write+0xf0/0x210 [ 146.464092] ksys_write+0x74/0x100 [ 146.467507] __arm64_sys_write+0x28/0x34 [ 146.471447] el0_svc_common.constprop.0+0x84/0x1e0 [ 146.476256] do_el0_svc+0x30/0xa0 [ 146.479585] el0_svc+0x20/0x30 [ 146.482654] el0_sync_handler+0x1a4/0x1b0 [ 146.486678] el0_sync+0x180/0x1c0 [ 146.490004] irq event stamp: 0 [ 146.493074] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 146.499366] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 [ 146.507571] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 [ 146.515772] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 146.522057] ---[ end trace df0a09a550b05dd0 ]--- [ 146.526948] lkdtm: Saturation detected: still saturated # [ 146.277204] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 146.284166] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 146.290948] ------------[ cut here ]------------ # [ 146.295633] refcount_t: saturated; leaking memory. # [ 146.300676] WARNING: CPU: 3 PID: 2679 at lib/refcount.c:19 refcount_warn_saturate+0xc8/0x144 # [ 146.309138] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 146.318644] CPU: 3 PID: 2679 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 146.326407] Hardware name: ARM Juno development board (r0) (DT) # [ 146.332347] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 146.338375] pc : refcount_warn_saturate+0xc8/0x144 # [ 146.343185] lr : refcount_warn_saturate+0xc8/0x144 # [ 146.347989] sp : ffff800016af3cb0 # [ 146.351315] x29: ffff800016af3cb0 x28: ffff000803cbb100 # [ 146.356659] x27: 0000000000000000 x26: 0000000000000000 # [ 146.362001] x25: ffff800011520068 x24: ffff800016af3e20 # [ 146.367343] x23: 0000000000000020 x22: ffff0008048a6000 # [ 146.372685] x21: 0000000000000007 x20: 00000000c0000000 # [ 146.378028] x19: ffff800016af3d04 x18: 0000000000000000 # [ 146.383370] x17: 0000000000000000 x16: 0000000000000000 # [ 146.388712] x15: 0000000000000030 x14: ffffffffffffffff # [ 146.394055] x13: ffff800096af3957 x12: ffff800016af395f # [ 146.399396] x11: 0000000000000038 x10: 0000000000001440 # [ 146.404738] x9 : ffff800010133204 x8 : ffff000803cbc5a0 # [ 146.410079] x7 : 0000000000000000 x6 : ffff800012591000 # [ 146.415421] x5 : ffff800012591c88 x4 : ffff00097ef6ec50 # [ 146.420763] x3 : 0000000000000000 x2 : 0000000000000000 # [ 146.426104] x1 : 0000000000000000 x0 : ffff000803cbb100 # [ 146.431445] Call trace: # [ 146.433907] refcount_warn_saturate+0xc8/0x144 # [ 146.438369] __refcount_add_not_zero.constprop.0+0x84/0xa0 # [ 146.443873] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x4c/0x90 # [ 146.449555] lkdtm_do_action+0x24/0x40 # [ 146.453319] direct_entry+0xd4/0x140 # [ 146.456911] full_proxy_write+0x6c/0xc0 # [ 146.460764] vfs_write+0xf0/0x210 # [ 146.464092] ksys_write+0x74/0x100 # [ 146.467507] __arm64_sys_write+0x28/0x34 # [ 146.471447] el0_svc_common.constprop.0+0x84/0x1e0 # [ 146.476256] do_el0_svc+0x30/0xa0 # [ 146.479585] el0_svc+0x20/0x30 # [ 146.482654] el0_sync_handler+0x1a4/0x1b0 # [ 146.486678] el0_sync+0x180/0x1c0 # [ 146.490004] irq event stamp: 0 # [ 146.493074] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 146.499366] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 # [ 146.507571] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 # [ 146.515772] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 146.522057] ---[ end trace df0a09a550b05dd0 ]--- # [ 146.526948] 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 [ 147.069791] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED [ 147.076745] lkdtm: attempting bad refcount_dec_and_test() from saturated [ 147.083527] ------------[ cut here ]------------ [ 147.088217] refcount_t: underflow; use-after-free. [ 147.093214] WARNING: CPU: 3 PID: 2714 at lib/refcount.c:28 refcount_warn_saturate+0xf4/0x144 [ 147.101681] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 147.111188] CPU: 3 PID: 2714 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 147.118951] Hardware name: ARM Juno development board (r0) (DT) [ 147.124891] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 147.130921] pc : refcount_warn_saturate+0xf4/0x144 [ 147.135730] lr : refcount_warn_saturate+0xf4/0x144 [ 147.140534] sp : ffff800016b63cd0 [ 147.143859] x29: ffff800016b63cd0 x28: ffff000806689880 [ 147.149202] x27: 0000000000000000 x26: 0000000000000000 [ 147.154545] x25: ffff800011520068 x24: ffff800016b63e20 [ 147.159887] x23: 0000000000000020 x22: ffff000805d44000 [ 147.165229] x21: ffff800011a34d78 x20: ffff800011520408 [ 147.170571] x19: 000000000000003a x18: 0000000000000001 [ 147.175912] x17: 0000000000000000 x16: 0000000000000000 [ 147.181254] x15: 0000000000000030 x14: ffffffffffffffff [ 147.186596] x13: ffff800096b63977 x12: ffff800016b63980 [ 147.191938] x11: 0000000000000038 x10: 0000000000001440 [ 147.197280] x9 : ffff800010133204 x8 : ffff00080668ad20 [ 147.202622] x7 : 0000000000000000 x6 : ffff800012591000 [ 147.207964] x5 : ffff800012591c88 x4 : ffff00097ef6ec50 [ 147.213306] x3 : 0000000000000000 x2 : 0000000000000000 [ 147.218647] x1 : 0000000000000000 x0 : ffff000806689880 [ 147.223988] Call trace: [ 147.226449] refcount_warn_saturate+0xf4/0x144 [ 147.230912] __refcount_sub_and_test.constprop.0+0x64/0x7c [ 147.236418] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x4c/0x90 [ 147.242098] lkdtm_do_action+0x24/0x40 [ 147.245863] direct_entry+0xd4/0x140 [ 147.249455] full_proxy_write+0x6c/0xc0 [ 147.253307] vfs_write+0xf0/0x210 [ 147.256636] ksys_write+0x74/0x100 [ 147.260051] __arm64_sys_write+0x28/0x34 [ 147.263992] el0_svc_common.constprop.0+0x84/0x1e0 [ 147.268800] do_el0_svc+0x30/0xa0 [ 147.272131] el0_svc+0x20/0x30 [ 147.275200] el0_sync_handler+0x1a4/0x1b0 [ 147.279224] el0_sync+0x180/0x1c0 [ 147.282550] irq event stamp: 0 [ 147.285620] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 147.291912] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 [ 147.300116] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 [ 147.308317] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 147.314602] ---[ end trace df0a09a550b05dd1 ]--- [ 147.319345] lkdtm: Saturation detected: still saturated # [ 147.069791] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 147.076745] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 147.083527] ------------[ cut here ]------------ # [ 147.088217] refcount_t: underflow; use-after-free. # [ 147.093214] WARNING: CPU: 3 PID: 2714 at lib/refcount.c:28 refcount_warn_saturate+0xf4/0x144 # [ 147.101681] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 147.111188] CPU: 3 PID: 2714 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 147.118951] Hardware name: ARM Juno development board (r0) (DT) # [ 147.124891] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 147.130921] pc : refcount_warn_saturate+0xf4/0x144 # [ 147.135730] lr : refcount_warn_saturate+0xf4/0x144 # [ 147.140534] sp : ffff800016b63cd0 # [ 147.143859] x29: ffff800016b63cd0 x28: ffff000806689880 # [ 147.149202] x27: 0000000000000000 x26: 0000000000000000 # [ 147.154545] x25: ffff800011520068 x24: ffff800016b63e20 # [ 147.159887] x23: 0000000000000020 x22: ffff000805d44000 # [ 147.165229] x21: ffff800011a34d78 x20: ffff800011520408 # [ 147.170571] x19: 000000000000003a x18: 0000000000000001 # [ 147.175912] x17: 0000000000000000 x16: 0000000000000000 # [ 147.181254] x15: 0000000000000030 x14: ffffffffffffffff # [ 147.186596] x13: ffff800096b63977 x12: ffff800016b63980 # [ 147.191938] x11: 0000000000000038 x10: 0000000000001440 # [ 147.197280] x9 : ffff800010133204 x8 : ffff00080668ad20 # [ 147.202622] x7 : 0000000000000000 x6 : ffff800012591000 # [ 147.207964] x5 : ffff800012591c88 x4 : ffff00097ef6ec50 # [ 147.213306] x3 : 0000000000000000 x2 : 0000000000000000 # [ 147.218647] x1 : 0000000000000000 x0 : ffff000806689880 # [ 147.223988] Call trace: # [ 147.226449] refcount_warn_saturate+0xf4/0x144 # [ 147.230912] __refcount_sub_and_test.constprop.0+0x64/0x7c # [ 147.236418] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x4c/0x90 # [ 147.242098] lkdtm_do_action+0x24/0x40 # [ 147.245863] direct_entry+0xd4/0x140 # [ 147.249455] full_proxy_write+0x6c/0xc0 # [ 147.253307] vfs_write+0xf0/0x210 # [ 147.256636] ksys_write+0x74/0x100 # [ 147.260051] __arm64_sys_write+0x28/0x34 # [ 147.263992] el0_svc_common.constprop.0+0x84/0x1e0 # [ 147.268800] do_el0_svc+0x30/0xa0 # [ 147.272131] el0_svc+0x20/0x30 # [ 147.275200] el0_sync_handler+0x1a4/0x1b0 # [ 147.279224] el0_sync+0x180/0x1c0 # [ 147.282550] irq event stamp: 0 # [ 147.285620] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 147.291912] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 # [ 147.300116] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 # [ 147.308317] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 147.314602] ---[ end trace df0a09a550b05dd1 ]--- # [ 147.319345] 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 [ 147.826134] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED [ 147.833108] lkdtm: attempting bad refcount_sub_and_test() from saturated [ 147.839892] ------------[ cut here ]------------ [ 147.844600] refcount_t: underflow; use-after-free. [ 147.849637] WARNING: CPU: 1 PID: 2749 at lib/refcount.c:28 refcount_warn_saturate+0xf4/0x144 [ 147.858095] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 147.867569] CPU: 1 PID: 2749 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 147.875328] Hardware name: ARM Juno development board (r0) (DT) [ 147.881262] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 147.887284] pc : refcount_warn_saturate+0xf4/0x144 [ 147.892086] lr : refcount_warn_saturate+0xf4/0x144 [ 147.896885] sp : ffff800016bf3cd0 [ 147.900205] x29: ffff800016bf3cd0 x28: ffff000800bb4980 [ 147.905538] x27: 0000000000000000 x26: 0000000000000000 [ 147.910870] x25: ffff800011520068 x24: ffff800016bf3e20 [ 147.916202] x23: 0000000000000020 x22: ffff00080456a000 [ 147.921534] x21: ffff800011a34d98 x20: ffff800011520418 [ 147.926865] x19: 000000000000003b x18: 0000000000000000 [ 147.932197] x17: 0000000000000000 x16: 0000000000000000 [ 147.937528] x15: 0000000000000000 x14: ffff00080028e200 [ 147.942860] x13: ffff80096d13f000 x12: 0000000030d4d91d [ 147.948191] x11: 0000000000000000 x10: 0000000000001440 [ 147.953523] x9 : ffff800010133204 x8 : ffff000800bb5e20 [ 147.958855] x7 : 0000000000000000 x6 : ffff800012591000 [ 147.964187] x5 : ffff800012591c88 x4 : ffff00097ef2ac50 [ 147.969518] x3 : 0000000000000000 x2 : 0000000000000000 [ 147.974849] x1 : 0000000000000000 x0 : ffff000800bb4980 [ 147.980181] Call trace: [ 147.982634] refcount_warn_saturate+0xf4/0x144 [ 147.987091] __refcount_sub_and_test.constprop.0+0x64/0x7c [ 147.992591] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x4c/0xc4 [ 147.998264] lkdtm_do_action+0x24/0x40 [ 148.002022] direct_entry+0xd4/0x140 [ 148.005607] full_proxy_write+0x6c/0xc0 [ 148.009453] vfs_write+0xf0/0x210 [ 148.012774] ksys_write+0x74/0x100 [ 148.016183] __arm64_sys_write+0x28/0x34 [ 148.020117] el0_svc_common.constprop.0+0x84/0x1e0 [ 148.024918] do_el0_svc+0x30/0xa0 [ 148.028242] el0_svc+0x20/0x30 [ 148.031304] el0_sync_handler+0x1a4/0x1b0 [ 148.035322] el0_sync+0x180/0x1c0 [ 148.038642] irq event stamp: 0 [ 148.041705] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 148.047990] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 [ 148.056187] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 [ 148.064382] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 148.070660] ---[ end trace df0a09a550b05dd2 ]--- [ 148.075417] lkdtm: Saturation detected: still saturated # [ 147.826134] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 147.833108] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 147.839892] ------------[ cut here ]------------ # [ 147.844600] refcount_t: underflow; use-after-free. # [ 147.849637] WARNING: CPU: 1 PID: 2749 at lib/refcount.c:28 refcount_warn_saturate+0xf4/0x144 # [ 147.858095] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 147.867569] CPU: 1 PID: 2749 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 147.875328] Hardware name: ARM Juno development board (r0) (DT) # [ 147.881262] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 147.887284] pc : refcount_warn_saturate+0xf4/0x144 # [ 147.892086] lr : refcount_warn_saturate+0xf4/0x144 # [ 147.896885] sp : ffff800016bf3cd0 # [ 147.900205] x29: ffff800016bf3cd0 x28: ffff000800bb4980 # [ 147.905538] x27: 0000000000000000 x26: 0000000000000000 # [ 147.910870] x25: ffff800011520068 x24: ffff800016bf3e20 # [ 147.916202] x23: 0000000000000020 x22: ffff00080456a000 # [ 147.921534] x21: ffff800011a34d98 x20: ffff800011520418 # [ 147.926865] x19: 000000000000003b x18: 0000000000000000 # [ 147.932197] x17: 0000000000000000 x16: 0000000000000000 # [ 147.937528] x15: 0000000000000000 x14: ffff00080028e200 # [ 147.942860] x13: ffff80096d13f000 x12: 0000000030d4d91d # [ 147.948191] x11: 0000000000000000 x10: 0000000000001440 # [ 147.953523] x9 : ffff800010133204 x8 : ffff000800bb5e20 # [ 147.958855] x7 : 0000000000000000 x6 : ffff800012591000 # [ 147.964187] x5 : ffff800012591c88 x4 : ffff00097ef2ac50 # [ 147.969518] x3 : 0000000000000000 x2 : 0000000000000000 # [ 147.974849] x1 : 0000000000000000 x0 : ffff000800bb4980 # [ 147.980181] Call trace: # [ 147.982634] refcount_warn_saturate+0xf4/0x144 # [ 147.987091] __refcount_sub_and_test.constprop.0+0x64/0x7c # [ 147.992591] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x4c/0xc4 # [ 147.998264] lkdtm_do_action+0x24/0x40 # [ 148.002022] direct_entry+0xd4/0x140 # [ 148.005607] full_proxy_write+0x6c/0xc0 # [ 148.009453] vfs_write+0xf0/0x210 # [ 148.012774] ksys_write+0x74/0x100 # [ 148.016183] __arm64_sys_write+0x28/0x34 # [ 148.020117] el0_svc_common.constprop.0+0x84/0x1e0 # [ 148.024918] do_el0_svc+0x30/0xa0 # [ 148.028242] el0_svc+0x20/0x30 # [ 148.031304] el0_sync_handler+0x1a4/0x1b0 # [ 148.035322] el0_sync+0x180/0x1c0 # [ 148.038642] irq event stamp: 0 # [ 148.041705] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 148.047990] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 # [ 148.056187] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 # [ 148.064382] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 148.070660] ---[ end trace df0a09a550b05dd2 ]--- # [ 148.075417] 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 [ 149.046581] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO [ 149.052698] lkdtm: attempting good copy_to_user of correct size [ 149.058758] lkdtm: attempting bad copy_to_user of too large size # [ 149.046581] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 149.052698] lkdtm: attempting good copy_to_user of correct size # [ 149.058758] 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 [ 149.535116] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM [ 149.541502] lkdtm: attempting good copy_from_user of correct size [ 149.547758] lkdtm: attempting bad copy_from_user of too large size # [ 149.535116] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 149.541502] lkdtm: attempting good copy_from_user of correct size # [ 149.547758] 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 [ 150.032968] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO [ 150.039630] lkdtm: attempting good copy_to_user inside whitelist [ 150.045852] lkdtm: attempting bad copy_to_user outside whitelist # [ 150.032968] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 150.039630] lkdtm: attempting good copy_to_user inside whitelist # [ 150.045852] 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 [ 150.538699] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM [ 150.545446] lkdtm: attempting good copy_from_user inside whitelist [ 150.551721] lkdtm: attempting bad copy_from_user outside whitelist # [ 150.538699] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 150.545446] lkdtm: attempting good copy_from_user inside whitelist # [ 150.551721] 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 [ 151.041868] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO [ 151.048138] lkdtm: good_stack: ffff800016fbbcd8-ffff800016fbbcf8 [ 151.054225] lkdtm: bad_stack : ffff800016fbbc38-ffff800016fbbc58 [ 151.060325] lkdtm: attempting good copy_to_user of local stack [ 151.066357] lkdtm: attempting bad copy_to_user of distant stack # [ 151.041868] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 151.048138] lkdtm: good_stack: ffff800016fbbcd8-ffff800016fbbcf8 # [ 151.054225] lkdtm: bad_stack : ffff800016fbbc38-ffff800016fbbc58 # [ 151.060325] lkdtm: attempting good copy_to_user of local stack # [ 151.066357] 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 [ 151.578427] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM [ 151.584875] lkdtm: good_stack: ffff800017073cd8-ffff800017073cf8 [ 151.590964] lkdtm: bad_stack : ffff800017073c38-ffff800017073c58 [ 151.597063] lkdtm: attempting good copy_from_user of local stack [ 151.603227] lkdtm: attempting bad copy_from_user of distant stack # [ 151.578427] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 151.584875] lkdtm: good_stack: ffff800017073cd8-ffff800017073cf8 # [ 151.590964] lkdtm: bad_stack : ffff800017073c38-ffff800017073c58 # [ 151.597063] lkdtm: attempting good copy_from_user of local stack # [ 151.603227] 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 [ 152.093084] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND [ 152.099330] lkdtm: good_stack: ffff800017103cd8-ffff800017103cf8 [ 152.105489] lkdtm: bad_stack : ffff800017103ff8-ffff800017104018 [ 152.111618] lkdtm: attempting good copy_to_user of local stack [ 152.117793] lkdtm: attempting bad copy_to_user of distant stack [ 152.123803] Unable to handle kernel paging request at virtual address ffff800017104000 [ 152.131921] Mem abort info: [ 152.134846] ESR = 0x96000007 [ 152.137943] EC = 0x25: DABT (current EL), IL = 32 bits [ 152.143290] SET = 0, FnV = 0 [ 152.146372] EA = 0, S1PTW = 0 [ 152.149566] Data abort info: [ 152.152457] ISV = 0, ISS = 0x00000007 [ 152.156323] CM = 0, WnR = 0 [ 152.159323] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081def000 [ 152.166063] [ffff800017104000] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=00000008866c4003, pte=0000000000000000 [ 152.178687] Internal error: Oops: 96000007 [#16] PREEMPT SMP [ 152.184362] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 152.193841] CPU: 1 PID: 3043 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 152.201602] Hardware name: ARM Juno development board (r0) (DT) [ 152.207542] pstate: 80000005 (Nzcv daif -PAN -UAO -TCO BTYPE=--) [ 152.213572] pc : __arch_copy_to_user+0xa4/0x310 [ 152.218115] lr : _copy_to_user+0x6c/0x94 [ 152.222043] sp : ffff800017103c70 [ 152.225368] x29: ffff800017103c70 x28: ffff000803fe9880 [ 152.230702] x27: 0000000000000000 x26: 0000000000000000 [ 152.236034] x25: ffff800011520068 x24: ffff800017103e20 [ 152.241366] x23: 0000000000000016 x22: ffff00080415e000 [ 152.246699] x21: ffff800017103ff8 x20: 0000ffffb3626000 [ 152.252031] x19: 0000000000000020 x18: 0000000000000000 [ 152.257366] x17: 0000000000000000 x16: 0000000000000000 [ 152.262697] x15: ffff800017103ff8 x14: ffffffffffffffff [ 152.268029] x13: ffff800097103987 x12: ffff80001710398f [ 152.273361] x11: 0000000000100000 x10: ffff800012618450 [ 152.278692] x9 : ffff800010120fb0 x8 : ffff8000125c0450 [ 152.284024] x7 : ffff800012618450 x6 : 0000ffffb3626008 [ 152.289355] x5 : 0000ffffb3626020 x4 : 0000000000000008 [ 152.294687] x3 : 0000000000000010 x2 : 0000000000000018 [ 152.300018] x1 : ffff800017104000 x0 : 0000ffffb3626000 [ 152.305350] Call trace: [ 152.307803] __arch_copy_to_user+0xa4/0x310 [ 152.311998] do_usercopy_stack+0x28c/0x294 [ 152.316103] lkdtm_USERCOPY_STACK_BEYOND+0x24/0x30 [ 152.320906] lkdtm_do_action+0x24/0x40 [ 152.324664] direct_entry+0xd4/0x140 [ 152.328249] full_proxy_write+0x6c/0xc0 [ 152.332095] vfs_write+0xf0/0x210 [ 152.335416] ksys_write+0x74/0x100 [ 152.338824] __arm64_sys_write+0x28/0x34 [ 152.342758] el0_svc_common.constprop.0+0x84/0x1e0 [ 152.347560] do_el0_svc+0x30/0xa0 [ 152.350883] el0_svc+0x20/0x30 [ 152.353945] el0_sync_handler+0x1a4/0x1b0 [ 152.357963] el0_sync+0x180/0x1c0 [ 152.361289] Code: a8c12027 a88120c7 d503201f d503201f (a8c12027) [ 152.367398] ---[ end trace df0a09a550b05dd3 ]--- # Segmentation fault # [ 152.093084] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 152.099330] lkdtm: good_stack: ffff800017103cd8-ffff800017103cf8 # [ 152.105489] lkdtm: bad_stack : ffff800017103ff8-ffff800017104018 # [ 152.111618] lkdtm: attempting good copy_to_user of local stack # [ 152.117793] lkdtm: attempting bad copy_to_user of distant stack # [ 152.123803] Unable to handle kernel paging request at virtual address ffff800017104000 # [ 152.131921] Mem abort info: # [ 152.134846] ESR = 0x96000007 # [ 152.137943] EC = 0x25: DABT (current EL), IL = 32 bits # [ 152.143290] SET = 0, FnV = 0 # [ 152.146372] EA = 0, S1PTW = 0 # [ 152.149566] Data abort info: # [ 152.152457] ISV = 0, ISS = 0x00000007 # [ 152.156323] CM = 0, WnR = 0 # [ 152.159323] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081def000 # [ 152.166063] [ffff800017104000] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=00000008866c4003, pte=0000000000000000 # [ 152.178687] Internal error: Oops: 96000007 [#16] PREEMPT SMP # [ 152.184362] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 152.193841] CPU: 1 PID: 3043 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 152.201602] Hardware name: ARM Juno development board (r0) (DT) # [ 152.207542] pstate: 80000005 (Nzcv daif -PAN -UAO -TCO BTYPE=--) # [ 152.213572] pc : __arch_copy_to_user+0xa4/0x310 # [ 152.218115] lr : _copy_to_user+0x6c/0x94 # [ 152.222043] sp : ffff800017103c70 # [ 152.225368] x29: ffff800017103c70 x28: ffff000803fe9880 # [ 152.230702] x27: 0000000000000000 x26: 0000000000000000 # [ 152.236034] x25: ffff800011520068 x24: ffff800017103e20 # [ 152.241366] x23: 0000000000000016 x22: ffff00080415e000 # [ 152.246699] x21: ffff800017103ff8 x20: 0000ffffb3626000 # [ 152.252031] x19: 0000000000000020 x18: 0000000000000000 # [ 152.257366] x17: 0000000000000000 x16: 0000000000000000 # [ 152.262697] x15: ffff800017103ff8 x14: ffffffffffffffff # [ 152.268029] x13: ffff800097103987 x12: ffff80001710398f # [ 152.273361] x11: 0000000000100000 x10: ffff800012618450 # [ 152.278692] x9 : ffff800010120fb0 x8 : ffff8000125c0450 # [ 152.284024] x7 : ffff800012618450 x6 : 0000ffffb3626008 # [ 152.289355] x5 : 0000ffffb3626020 x4 : 0000000000000008 # [ 152.294687] x3 : 0000000000000010 x2 : 0000000000000018 # [ 152.300018] x1 : ffff800017104000 x0 : 0000ffffb3626000 # [ 152.305350] Call trace: # [ 152.307803] __arch_copy_to_user+0xa4/0x310 # [ 152.311998] do_usercopy_stack+0x28c/0x294 # [ 152.316103] lkdtm_USERCOPY_STACK_BEYOND+0x24/0x30 # [ 152.320906] lkdtm_do_action+0x24/0x40 # [ 152.324664] direct_entry+0xd4/0x140 # [ 152.328249] full_proxy_write+0x6c/0xc0 # [ 152.332095] vfs_write+0xf0/0x210 # [ 152.335416] ksys_write+0x74/0x100 # [ 152.338824] __arm64_sys_write+0x28/0x34 # [ 152.342758] el0_svc_common.constprop.0+0x84/0x1e0 # [ 152.347560] do_el0_svc+0x30/0xa0 # [ 152.350883] el0_svc+0x20/0x30 # [ 152.353945] el0_sync_handler+0x1a4/0x1b0 # [ 152.357963] el0_sync+0x180/0x1c0 # [ 152.361289] Code: a8c12027 a88120c7 d503201f d503201f (a8c12027) # [ 152.367398] ---[ end trace df0a09a550b05dd3 ]--- # USERCOPY_STACK_BEYOND: saw 'call trace:': ok ok 67 selftests: lkdtm: USERCOPY_STACK_BEYOND.sh # selftests: lkdtm: USERCOPY_KERNEL.sh [ 152.907107] lkdtm: Performing direct entry USERCOPY_KERNEL [ 152.912719] lkdtm: attempting good copy_to_user from kernel rodata: ffff800011520570 [ 152.920706] lkdtm: attempting bad copy_to_user from kernel text: ffff8000102dc310 [ 152.928294] lkdtm: FAIL: survived bad copy_to_user() # [ 152.907107] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 152.912719] lkdtm: attempting good copy_to_user from kernel rodata: ffff800011520570 # [ 152.920706] lkdtm: attempting bad copy_to_user from kernel text: ffff8000102dc310 # [ 152.928294] 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 [ 153.437363] lkdtm: Performing direct entry STACKLEAK_ERASING [ 153.443100] lkdtm: checking unused part of the thread stack (15608 bytes)... [ 153.450277] lkdtm: FAIL: the erased part is not found (checked 15608 bytes) [ 153.457386] lkdtm: FAIL: the thread stack is NOT properly erased [ 153.463686] CPU: 1 PID: 3125 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 153.471452] Hardware name: ARM Juno development board (r0) (DT) [ 153.477383] Call trace: [ 153.479840] dump_backtrace+0x0/0x1f0 [ 153.483511] show_stack+0x24/0x30 [ 153.486837] dump_stack+0xf8/0x168 [ 153.490247] lkdtm_STACKLEAK_ERASING+0x134/0x174 [ 153.494878] lkdtm_do_action+0x24/0x40 [ 153.498637] direct_entry+0xd4/0x140 [ 153.502224] full_proxy_write+0x6c/0xc0 [ 153.506070] vfs_write+0xf0/0x210 [ 153.509392] ksys_write+0x74/0x100 [ 153.512802] __arm64_sys_write+0x28/0x34 [ 153.516736] el0_svc_common.constprop.0+0x84/0x1e0 [ 153.521538] do_el0_svc+0x30/0xa0 [ 153.524862] el0_svc+0x20/0x30 [ 153.527924] el0_sync_handler+0x1a4/0x1b0 [ 153.531943] el0_sync+0x180/0x1c0 # [ 153.437363] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 153.443100] lkdtm: checking unused part of the thread stack (15608 bytes)... # [ 153.450277] lkdtm: FAIL: the erased part is not found (checked 15608 bytes) # [ 153.457386] lkdtm: FAIL: the thread stack is NOT properly erased # [ 153.463686] CPU: 1 PID: 3125 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 153.471452] Hardware name: ARM Juno development board (r0) (DT) # [ 153.477383] Call trace: # [ 153.479840] dump_backtrace+0x0/0x1f0 # [ 153.483511] show_stack+0x24/0x30 # [ 153.486837] dump_stack+0xf8/0x168 # [ 153.490247] lkdtm_STACKLEAK_ERASING+0x134/0x174 # [ 153.494878] lkdtm_do_action+0x24/0x40 # [ 153.498637] direct_entry+0xd4/0x140 # [ 153.502224] full_proxy_write+0x6c/0xc0 # [ 153.506070] vfs_write+0xf0/0x210 # [ 153.509392] ksys_write+0x74/0x100 # [ 153.512802] __arm64_sys_write+0x28/0x34 # [ 153.516736] el0_svc_common.constprop.0+0x84/0x1e0 # [ 153.521538] do_el0_svc+0x30/0xa0 # [ 153.524862] el0_svc+0x20/0x30 # [ 153.527924] el0_sync_handler+0x1a4/0x1b0 # [ 153.531943] 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 [ 154.048499] lkdtm: Performing direct entry CFI_FORWARD_PROTO [ 154.054269] lkdtm: Calling matched prototype ... [ 154.059091] lkdtm: Calling mismatched prototype ... [ 154.064039] lkdtm: Fail: survived mismatched prototype function call! # [ 154.048499] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 154.054269] lkdtm: Calling matched prototype ... # [ 154.059091] lkdtm: Calling mismatched prototype ... # [ 154.064039] 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 / #