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 MBbios update in progress DO NOT SWITCH OFF... Device programmed: 1%Device programmed: 3%Device programmed: 4%Device programmed: 6%Device programmed: 7%Device programmed: 9%Device programmed: 10%Device programmed: 12%Device programmed: 14%Device programmed: 15%Device programmed: 17%Device programmed: 18%Device programmed: 20%Device programmed: 21%Device programmed: 23%Device programmed: 25%Device programmed: 26%Device programmed: 28%Device programmed: 29%Device programmed: 31%Device programmed: 32%Device programmed: 34%Device programmed: 35%Device programmed: 37%Device programmed: 39% MBbios update complete. ARM V2M_Juno Firmware v1.5.1 Build Date: Apr 3 2019 Time : 00:00:00 Date : 01:01:2000 Press Enter to stop auto boot... Powering up system... Switching on ATXPSU... PMIC RAM configuration (pms_v103.bin)... MBtemp : 38 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 445985/tftp-deploy-8f43tbqr/kernel/uImage tftp 0x80200000 445985/tftp-deploy-8f43tbqr/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 '445985/tftp-deploy-8f43tbqr/kernel/uImage'. Load address: 0x80200000 Loading: *################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ########## 1.9 MiB/s done Bytes transferred = 44032576 (29fe240 hex) smc911x: MAC 00:02:f7:00:58:4d VExpress64# tftp 0x8fe00000 445985/tftp-deploy-8f43tbqr/ramdisk/ramdisk.cpio.gz.uboot tftp 0x8fe00000 445985/tftp-deploy-8f43tbqr/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 '445985/tftp-deploy-8f43tbqr/ramdisk/ramdisk.cpio.gz.uboot'. Load address: 0x8fe00000 Loading: *################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ############################################################# 1.4 MiB/s done Bytes transferred = 18064386 (113a402 hex) smc911x: MAC 00:02:f7:00:58:4d VExpress64# setenv initrd_size ${filesize} setenv initrd_size ${filesize} VExpress64# tftp 0x8fc00000 445985/tftp-deploy-8f43tbqr/dtb/juno.dtb tftp 0x8fc00000 445985/tftp-deploy-8f43tbqr/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 '445985/tftp-deploy-8f43tbqr/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/445985/extract-nfsrootfs-gvc0ges9,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/445985/extract-nfsrootfs-gvc0ges9,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: 44032512 Bytes = 42 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: 18064322 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 5.10.136-cip14 (KernelCI@build-j70792-arm64-gcc-10-defconfig-kselftest-8nhk6) (aarch64-linux-gnu-gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP PREEMPT Tue Aug 23 03:49:37 UTC 2022 [ 0.000000] Machine model: ARM Juno development board (r0) [ 0.000000] earlycon: pl11 at MMIO 0x000000007ff80000 (options '') [ 0.000000] printk: bootconsole [pl11] enabled [ 0.000000] efi: UEFI not found. [ 0.000000] NUMA: No NUMA configuration found [ 0.000000] NUMA: Faking a node at [mem 0x0000000080000000-0x00000009ffffffff] [ 0.000000] NUMA: NODE_DATA [mem 0x9fefdc7c0-0x9fefdefff] [ 0.000000] Zone ranges: [ 0.000000] DMA [mem 0x0000000080000000-0x00000000ffffffff] [ 0.000000] DMA32 empty [ 0.000000] Normal [mem 0x0000000100000000-0x00000009ffffffff] [ 0.000000] Movable zone start for each node [ 0.000000] Early memory node ranges [ 0.000000] node 0: [mem 0x0000000080000000-0x00000000feffffff] [ 0.000000] node 0: [mem 0x0000000880000000-0x00000009ffffffff] [ 0.000000] Initmem setup node 0 [mem 0x0000000080000000-0x00000009ffffffff] [ 0.000000] cma: Reserved 32 MiB at 0x00000000fd000000 [ 0.000000] psci: probing for conduit method from DT. [ 0.000000] psci: PSCIv1.1 detected in firmware. [ 0.000000] psci: Using standard PSCI v0.2 function IDs [ 0.000000] psci: MIGRATE_INFO_TYPE not supported. [ 0.000000] psci: SMC Calling Convention v1.1 [ 0.000000] percpu: Embedded 34 pages/cpu s100944 r8192 d30128 u139264 [ 0.000000] Detected VIPT I-cache on CPU0 [ 0.000000] CPU features: detected: ARM errata 826319, 827319, 824069, or 819472 [ 0.000000] CPU features: detected: ARM erratum 845719 [ 0.000000] CPU features: detected: ARM erratum 843419 [ 0.000000] Built 1 zonelists, mobility grouping on. Total pages: 2060288 [ 0.000000] Policy zone: Normal [ 0.000000] Kernel command line: console=ttyAMA0,115200n8 root=/dev/nfs rw nfsroot=192.168.56.230:/var/lib/lava/dispatcher/tmp/445985/extract-nfsrootfs-gvc0ges9,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: 8040816K/8372224K available (19072K kernel code, 4536K rwdata, 9456K rodata, 9792K init, 11276K bss, 298640K reserved, 32768K cma-reserved) [ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=6, Nodes=1 [ 0.000000] ftrace: allocating 58491 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 [ 0.000007] sched_clock: 56 bits at 50MHz, resolution 20ns, wraps every 4398046511100ns [ 0.009685] Console: colour dummy device 80x25 [ 0.014304] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 0.022218] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 0.026427] ... MAX_LOCK_DEPTH: 48 [ 0.030723] ... MAX_LOCKDEP_KEYS: 8192 [ 0.035195] ... CLASSHASH_SIZE: 4096 [ 0.039667] ... MAX_LOCKDEP_ENTRIES: 32768 [ 0.044226] ... MAX_LOCKDEP_CHAINS: 65536 [ 0.048786] ... CHAINHASH_SIZE: 32768 [ 0.053346] memory used by lock dependency info: 6365 kB [ 0.058874] memory used for stack traces: 4224 kB [ 0.063788] per task-struct memory footprint: 1920 bytes [ 0.069545] Calibrating delay loop (skipped), value calculated using timer frequency.. 100.00 BogoMIPS (lpj=200000) [ 0.080220] pid_max: default: 32768 minimum: 301 [ 0.085415] LSM: Security Framework initializing [ 0.090246] LSM support for eBPF active [ 0.094402] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes, linear) [ 0.102182] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes, linear) [ 0.124554] rcu: Hierarchical SRCU implementation. [ 0.140551] EFI services will not be available. [ 0.147592] smp: Bringing up secondary CPUs ... [ 0.156778] CPU features: detected: ARM erratum 832075 [ 0.156788] CPU features: detected: ARM erratum 834220 [ 0.156795] CPU features: detected: EL2 vector hardening [ 0.156810] CPU features: detected: Spectre-v2 [ 0.156822] CPU features: detected: ARM errata 1165522, 1319367, or 1530923 [ 0.156831] CPU features: detected: Spectre-BHB [ 0.156841] Detected PIPT I-cache on CPU1 [ 0.156923] CPU1: Booted secondary processor 0x0000000000 [0x410fd070] [ 0.161745] Detected PIPT I-cache on CPU2 [ 0.161796] CPU2: Booted secondary processor 0x0000000001 [0x410fd070] [ 0.166545] Detected VIPT I-cache on CPU3 [ 0.166641] CPU3: Booted secondary processor 0x0000000101 [0x410fd030] [ 0.171550] Detected VIPT I-cache on CPU4 [ 0.171630] CPU4: Booted secondary processor 0x0000000102 [0x410fd030] [ 0.176551] Detected VIPT I-cache on CPU5 [ 0.176626] CPU5: Booted secondary processor 0x0000000103 [0x410fd030] [ 0.177657] smp: Brought up 1 node, 6 CPUs [ 0.268451] SMP: Total of 6 processors activated. [ 0.273354] CPU features: detected: 32-bit EL0 Support [ 0.278858] CPU features: detected: CRC32 instructions [ 0.284200] CPU features: detected: 32-bit EL1 Support [ 0.375207] CPU: All CPU(s) started at EL2 [ 0.379668] alternatives: patching kernel code [ 0.395789] devtmpfs: initialized [ 0.435337] KASLR disabled due to lack of seed [ 0.442773] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 7645041785100000 ns [ 0.452776] futex hash table entries: 2048 (order: 6, 262144 bytes, linear) [ 0.462183] pinctrl core: initialized pinctrl subsystem [ 0.473227] DMI not present or invalid. [ 0.479126] NET: Registered protocol family 16 [ 0.490546] DMA: preallocated 1024 KiB GFP_KERNEL pool for atomic allocations [ 0.498268] DMA: preallocated 1024 KiB GFP_KERNEL|GFP_DMA pool for atomic allocations [ 0.507889] DMA: preallocated 1024 KiB GFP_KERNEL|GFP_DMA32 pool for atomic allocations [ 0.516335] audit: initializing netlink subsys (disabled) [ 0.522622] audit: type=2000 audit(0.436:1): state=initialized audit_enabled=0 res=1 [ 0.526765] thermal_sys: Registered thermal governor 'step_wise' [ 0.530546] thermal_sys: Registered thermal governor 'power_allocator' [ 0.538097] cpuidle: using governor menu [ 0.549355] hw-breakpoint: found 6 breakpoint and 4 watchpoint registers. [ 0.556922] ASID allocator initialised with 65536 entries [ 0.567673] Serial: AMBA PL011 UART driver [ 0.679266] 7ff80000.serial: ttyAMA0 at MMIO 0x7ff80000 (irq = 38, base_baud = 0) is a PL011 rev3 [ 0.688428] printk: console [ttyAMA0] enabled [ 0.688428] printk: console [ttyAMA0] enabled [ 0.697283] printk: bootconsole [pl11] disabled [ 0.697283] printk: bootconsole [pl11] disabled [ 0.775423] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages [ 0.782240] HugeTLB registered 32.0 MiB page size, pre-allocated 0 pages [ 0.789009] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 0.795778] HugeTLB registered 64.0 KiB page size, pre-allocated 0 pages [ 0.810676] cryptd: max_cpu_qlen set to 1000 [ 0.829371] ACPI: Interpreter disabled. [ 0.841790] iommu: Default domain type: Translated [ 0.847819] vgaarb: loaded [ 0.852291] SCSI subsystem initialized [ 0.858094] usbcore: registered new interface driver usbfs [ 0.863897] usbcore: registered new interface driver hub [ 0.869484] usbcore: registered new device driver usb [ 0.880324] pps_core: LinuxPPS API ver. 1 registered [ 0.885372] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 0.894633] PTP clock support registered [ 0.899100] EDAC MC: Ver: 3.0.0 [ 0.908432] FPGA manager framework [ 0.912413] Advanced Linux Sound Architecture Driver Initialized. [ 0.922221] clocksource: Switched to clocksource arch_sys_counter [ 2.368727] VFS: Disk quotas dquot_6.6.0 [ 2.372927] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 2.381201] pnp: PnP ACPI: disabled [ 2.428974] NET: Registered protocol family 2 [ 2.434362] IP idents hash table entries: 131072 (order: 8, 1048576 bytes, linear) [ 2.447687] tcp_listen_portaddr_hash hash table entries: 4096 (order: 6, 327680 bytes, linear) [ 2.457685] TCP established hash table entries: 65536 (order: 7, 524288 bytes, linear) [ 2.469528] TCP bind hash table entries: 65536 (order: 10, 4718592 bytes, vmalloc) [ 2.492515] TCP: Hash tables configured (established 65536 bind 65536) [ 2.500526] MPTCP token hash table entries: 8192 (order: 7, 720896 bytes, linear) [ 2.510390] UDP hash table entries: 4096 (order: 7, 655360 bytes, linear) [ 2.519446] UDP-Lite hash table entries: 4096 (order: 7, 655360 bytes, linear) [ 2.529198] NET: Registered protocol family 1 [ 2.536309] RPC: Registered named UNIX socket transport module. [ 2.542369] RPC: Registered udp transport module. [ 2.547174] RPC: Registered tcp transport module. [ 2.551956] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 2.558491] NET: Registered protocol family 44 [ 2.563033] PCI: CLS 0 bytes, default 64 [ 2.567997] Unpacking initramfs... [ 4.465444] Freeing initrd memory: 17636K [ 4.473516] hw perfevents: enabled with armv8_cortex_a57 PMU driver, 7 counters available [ 4.484236] hw perfevents: enabled with armv8_cortex_a53 PMU driver, 7 counters available [ 4.492676] kvm [1]: Guests without required CPU erratum workarounds can deadlock system! [ 4.492676] Only trusted guests should be used on this system. [ 4.506833] kvm [1]: IPA Size Limit: 40 bits [ 4.526978] kvm [1]: vgic interrupt IRQ9 [ 4.531851] kvm [1]: Hyp mode initialized successfully [ 4.563453] Initialise system trusted keyrings [ 4.568822] workingset: timestamp_bits=42 max_order=21 bucket_order=0 [ 4.633715] squashfs: version 4.0 (2009/01/31) Phillip Lougher [ 4.643034] NFS: Registering the id_resolver key type [ 4.648256] Key type id_resolver registered [ 4.652551] Key type id_legacy registered [ 4.657231] nfs4filelayout_init: NFSv4 File Layout Driver Registering... [ 4.664042] nfs4flexfilelayout_init: NFSv4 Flexfile Layout Driver Registering... [ 4.672179] 9p: Installing v9fs 9p2000 file system support [ 4.728689] Key type asymmetric registered [ 4.732917] Asymmetric key parser 'x509' registered [ 4.737991] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 245) [ 4.745510] io scheduler mq-deadline registered [ 4.750113] io scheduler kyber registered [ 4.755014] test_firmware: interface ready [ 4.791746] pl061_gpio 1c1d0000.gpio: PL061 GPIO chip registered [ 4.810639] EINJ: ACPI disabled. [ 4.839605] dma-pl330 7ff00000.dma: Loaded driver for PL330 DMAC-341330 [ 4.846308] dma-pl330 7ff00000.dma: DBUFF-1024x16bytes Num_Chans-8 Num_Peri-8 Num_Events-8 [ 4.893604] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 4.911485] SuperH (H)SCI(F) driver initialized [ 4.917769] msm_serial: driver initialized [ 4.926671] arm-smmu 7fb10000.iommu: probing hardware configuration... [ 4.933290] arm-smmu 7fb10000.iommu: SMMUv1 with: [ 4.938093] arm-smmu 7fb10000.iommu: stage 2 translation [ 4.943576] arm-smmu 7fb10000.iommu: non-coherent table walk [ 4.949402] arm-smmu 7fb10000.iommu: (IDR0.CTTW overridden by FW configuration) [ 4.956887] arm-smmu 7fb10000.iommu: stream matching with 2 register groups [ 4.964027] arm-smmu 7fb10000.iommu: 1 context banks (1 stage-2 only) [ 4.970643] arm-smmu 7fb10000.iommu: Supported page sizes: 0x60211000 [ 4.977251] arm-smmu 7fb10000.iommu: Stage-2: 40-bit IPA -> 40-bit PA [ 4.985409] arm-smmu 7fb20000.iommu: probing hardware configuration... [ 4.992027] arm-smmu 7fb20000.iommu: SMMUv1 with: [ 4.996827] arm-smmu 7fb20000.iommu: stage 2 translation [ 5.002319] arm-smmu 7fb20000.iommu: non-coherent table walk [ 5.008143] arm-smmu 7fb20000.iommu: (IDR0.CTTW overridden by FW configuration) [ 5.015628] arm-smmu 7fb20000.iommu: stream matching with 2 register groups [ 5.022790] arm-smmu 7fb20000.iommu: 1 context banks (1 stage-2 only) [ 5.029407] arm-smmu 7fb20000.iommu: Supported page sizes: 0x60211000 [ 5.036014] arm-smmu 7fb20000.iommu: Stage-2: 40-bit IPA -> 40-bit PA [ 5.043579] arm-smmu 7fb30000.iommu: probing hardware configuration... [ 5.050229] arm-smmu 7fb30000.iommu: SMMUv1 with: [ 5.055028] arm-smmu 7fb30000.iommu: stage 2 translation [ 5.060507] arm-smmu 7fb30000.iommu: coherent table walk [ 5.065991] arm-smmu 7fb30000.iommu: stream matching with 2 register groups [ 5.073129] arm-smmu 7fb30000.iommu: 1 context banks (1 stage-2 only) [ 5.079745] arm-smmu 7fb30000.iommu: Supported page sizes: 0x60211000 [ 5.086352] arm-smmu 7fb30000.iommu: Stage-2: 40-bit IPA -> 40-bit PA [ 5.158908] loop: module loaded [ 5.164812] lkdtm: No crash points registered, enable through debugfs [ 5.175175] megasas: 07.714.04.00-rc1 [ 5.204770] thunder_xcv, ver 1.0 [ 5.208265] thunder_bgx, ver 1.0 [ 5.211758] nicpf, ver 1.0 [ 5.218837] hclge is initializing [ 5.222358] hns3: Hisilicon Ethernet Network Driver for Hip08 Family - version [ 5.229664] hns3: Copyright (c) 2017 Huawei Corporation. [ 5.235267] e1000: Intel(R) PRO/1000 Network Driver [ 5.240223] e1000: Copyright (c) 1999-2006 Intel Corporation. [ 5.246307] e1000e: Intel(R) PRO/1000 Network Driver [ 5.251348] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. [ 5.257545] igb: Intel(R) Gigabit Ethernet Network Driver [ 5.263044] igb: Copyright (c) 2007-2014 Intel Corporation. [ 5.268823] igbvf: Intel(R) Gigabit Virtual Function Network Driver [ 5.275169] igbvf: Copyright (c) 2009 - 2012 Intel Corporation. [ 5.282412] sky2: driver version 1.30 [ 5.351180] smsc911x 18000000.ethernet eth0: MAC Address: 00:02:f7:00:58:4d [ 5.362835] VFIO - User Level meta-driver version: 0.3 [ 5.374867] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 5.381635] ehci-pci: EHCI PCI platform driver [ 5.386326] ehci-platform: EHCI generic platform driver [ 5.392348] ehci-platform 7ffc0000.usb: Adding to iommu group 0 [ 5.399250] ehci-platform 7ffc0000.usb: EHCI Host Controller [ 5.405193] ehci-platform 7ffc0000.usb: new USB bus registered, assigned bus number 1 [ 5.413704] ehci-platform 7ffc0000.usb: irq 41, io mem 0x7ffc0000 [ 5.434285] ehci-platform 7ffc0000.usb: USB 2.0 started, EHCI 1.00 [ 5.444804] hub 1-0:1.0: USB hub found [ 5.448871] hub 1-0:1.0: 1 port detected [ 5.455018] ehci-orion: EHCI orion driver [ 5.459508] ehci-exynos: EHCI Exynos driver [ 5.464120] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 5.470476] ohci-pci: OHCI PCI platform driver [ 5.475211] ohci-platform: OHCI generic platform driver [ 5.481058] ohci-platform 7ffb0000.usb: Adding to iommu group 0 [ 5.487443] ohci-platform 7ffb0000.usb: Generic Platform OHCI controller [ 5.494286] ohci-platform 7ffb0000.usb: new USB bus registered, assigned bus number 2 [ 5.502721] ohci-platform 7ffb0000.usb: irq 40, io mem 0x7ffb0000 [ 5.589400] hub 2-0:1.0: USB hub found [ 5.593375] hub 2-0:1.0: 1 port detected [ 5.599124] ohci-exynos: OHCI Exynos driver [ 5.604990] usbcore: registered new interface driver usb-storage [ 5.625139] rtc-pl031 1c170000.rtc: registered as rtc0 [ 5.630501] rtc-pl031 1c170000.rtc: setting system clock to 2000-01-01T00:02:47 UTC (946684967) [ 5.641521] i2c /dev entries driver [ 5.661308] sp805-wdt 1c0f0000.wdt: registration successful [ 5.684771] mmci-pl18x 1c050000.mmci: mmc0: PL180 manf 41 rev0 at 0x1c050000 irq 16,0 (pio) [ 5.706380] usb 1-1: new high-speed USB device number 2 using ehci-platform [ 5.720242] sdhci: Secure Digital Host Controller Interface driver [ 5.726749] sdhci: Copyright(c) Pierre Ossman [ 5.733503] Synopsys Designware Multimedia Card Interface Driver [ 5.743848] sdhci-pltfm: SDHCI platform and OF driver helper [ 5.755510] leds-syscon 1c010000.apbregs:led0: registered LED (null) [ 5.763083] leds-syscon 1c010000.apbregs:led1: registered LED (null) [ 5.770340] leds-syscon 1c010000.apbregs:led2: registered LED (null) [ 5.777716] leds-syscon 1c010000.apbregs:led3: registered LED (null) [ 5.785021] leds-syscon 1c010000.apbregs:led4: registered LED (null) [ 5.792367] leds-syscon 1c010000.apbregs:led5: registered LED (null) [ 5.799664] leds-syscon 1c010000.apbregs:led6: registered LED (null) [ 5.807061] leds-syscon 1c010000.apbregs:led7: registered LED (null) [ 5.817712] ledtrig-cpu: registered to indicate activity on CPUs [ 5.830962] usbcore: registered new interface driver usbhid [ 5.836618] usbhid: USB HID core driver [ 5.844234] mhu 2b1f0000.mhu: ARM MHU Mailbox registered [ 5.867011] ipip: IPv4 and MPLS over IPv4 tunneling driver [ 5.874579] gre: GRE over IPv4 demultiplexor driver [ 5.877098] hub 1-1:1.0: USB hub found [ 5.879550] ip_gre: GRE over IPv4 tunneling driver [ 5.884870] IPv4 over IPsec tunneling driver [ 5.892369] hub 1-1:1.0: 4 ports detected [ 5.897862] NET: Registered protocol family 10 [ 5.908131] Segment Routing with IPv6 [ 5.916144] ip6_gre: GRE over IPv6 tunneling driver [ 5.923268] NET: Registered protocol family 17 [ 5.929328] 9pnet: Installing 9P2000 support [ 5.933955] Key type dns_resolver registered [ 5.939609] registered taskstats version 1 [ 5.943841] Loading compiled-in X.509 certificates [ 6.006541] scpi_protocol scpi: incorrect or no SCP firmware found [ 6.013045] scpi_protocol: probe of scpi failed with error -110 [ 6.023201] arm-smmu 2b600000.iommu: deferred probe timeout, ignoring dependency [ 6.030753] arm-smmu: probe of 2b600000.iommu failed with error -110 [ 6.044840] input: gpio-keys as /devices/platform/gpio-keys/input/input1 [ 6.646329] atkbd serio0: keyboard reset failed on 1c060000.kmi [ 7.894340] atkbd serio1: keyboard reset failed on 1c070000.kmi [ 10.806538] amba 20010000.etf: deferred probe timeout, ignoring dependency [ 10.813626] amba 20030000.tpiu: deferred probe timeout, ignoring dependency [ 10.820740] amba 20040000.funnel: deferred probe timeout, ignoring dependency [ 10.828024] amba 20070000.etr: deferred probe timeout, ignoring dependency [ 10.835050] amba 20100000.stm: deferred probe timeout, ignoring dependency [ 10.842073] amba 20120000.replicator: deferred probe timeout, ignoring dependency [ 10.849704] amba 22010000.cpu-debug: deferred probe timeout, ignoring dependency [ 10.857247] amba 22040000.etm: deferred probe timeout, ignoring dependency [ 10.864269] amba 220c0000.funnel: deferred probe timeout, ignoring dependency [ 10.871573] amba 22110000.cpu-debug: deferred probe timeout, ignoring dependency [ 10.879118] amba 22140000.etm: deferred probe timeout, ignoring dependency [ 10.886141] amba 23010000.cpu-debug: deferred probe timeout, ignoring dependency [ 10.893685] amba 23040000.etm: deferred probe timeout, ignoring dependency [ 10.900708] amba 230c0000.funnel: deferred probe timeout, ignoring dependency [ 10.907991] amba 23110000.cpu-debug: deferred probe timeout, ignoring dependency [ 10.915534] amba 23140000.etm: deferred probe timeout, ignoring dependency [ 10.922556] amba 23210000.cpu-debug: deferred probe timeout, ignoring dependency [ 10.930099] amba 23240000.etm: deferred probe timeout, ignoring dependency [ 10.937141] amba 23310000.cpu-debug: deferred probe timeout, ignoring dependency [ 10.944685] amba 23340000.etm: deferred probe timeout, ignoring dependency [ 14.588854] 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 [ 14.716006] psmouse serio0: Failed to enable mouse on 1c060000.kmi [ 21.192756] 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 [ 21.319636] psmouse serio1: Failed to enable mouse on 1c070000.kmi [ 21.328042] 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) [ 21.354375] smsc911x 18000000.ethernet eth0: SMSC911x/921x identified at 0xffff800014250000, IRQ: 15 [ 21.364121] IP-Config: Failed to open gretap0 [ 21.368573] IP-Config: Failed to open erspan0 [ 21.390276] Sending DHCP requests . [ 23.415691] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready [ 23.430281] .., OK [ 27.040446] IP-Config: Got DHCP answer from 192.168.56.254, my address is 192.168.56.208 [ 27.048643] IP-Config: Complete: [ 27.051940] device=eth0, hwaddr=00:02:f7:00:58:4d, ipaddr=192.168.56.208, mask=255.255.255.0, gw=192.168.56.254 [ 27.062541] host=192.168.56.208, domain=mayfield.sirena.org.uk, nis-domain=(none) [ 27.070552] bootserver=192.168.56.254, rootserver=192.168.56.230, rootpath= [ 27.070570] nameserver0=192.168.56.254 [ 27.082282] ntpserver0=50.205.244.22, ntpserver1=85.199.214.99 [ 27.089432] ALSA device list: [ 27.092572] No soundcards found. [ 27.096917] uart-pl011 7ff80000.serial: no DMA platform data [ 27.145520] Freeing unused kernel memory: 9792K [ 27.150486] Run /init as init process Loading, please wait... Starting version 247.3-7 [ 29.964879] tda998x 0-0070: found TDA19988 [ 30.106873] 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. [ 33.523736] systemd[1]: System time before build time, advancing clock. [ 33.949757] 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) [ 33.977659] systemd[1]: Detected architecture arm64. Welcome to [1mDebian GNU/Linux 11 (bullseye)[0m! [ 34.039031] systemd[1]: Set hostname to . [ 35.748568] systemd[1]: Queued start job for default target Graphical Interface. [ 35.760854] random: systemd: uninitialized urandom read (16 bytes read) [ 35.785547] systemd[1]: Created slice system-getty.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-getty.slice[0m. [ 35.806819] random: systemd: uninitialized urandom read (16 bytes read) [ 35.820038] systemd[1]: Created slice system-modprobe.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-modprobe.slice[0m. [ 35.842943] random: systemd: uninitialized urandom read (16 bytes read) [ 35.858840] systemd[1]: Created slice system-serial\x2dgetty.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-serial\x2dgetty.slice[0m. [ 35.884285] systemd[1]: Created slice User and Session Slice. [[0;32m OK [0m] Created slice [0;1;39mUser and Session Slice[0m. [ 35.908304] 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. [ 35.936307] 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. [ 35.959034] systemd[1]: Condition check resulted in Arbitrary Executable File Formats File System Automount Point being skipped. [ 35.971201] systemd[1]: Reached target Local Encrypted Volumes. [[0;32m OK [0m] Reached target [0;1;39mLocal Encrypted Volumes[0m. [ 35.990756] systemd[1]: Reached target Paths. [[0;32m OK [0m] Reached target [0;1;39mPaths[0m. [ 36.010843] systemd[1]: Reached target Remote File Systems. [[0;32m OK [0m] Reached target [0;1;39mRemote File Systems[0m. [ 36.030824] systemd[1]: Reached target Slices. [[0;32m OK [0m] Reached target [0;1;39mSlices[0m. [ 36.050846] systemd[1]: Reached target Swap. [[0;32m OK [0m] Reached target [0;1;39mSwap[0m. [ 36.072306] systemd[1]: Listening on initctl Compatibility Named Pipe. [[0;32m OK [0m] Listening on [0;1;39minitctl Compatibility Named Pipe[0m. [ 36.099401] systemd[1]: Listening on Journal Audit Socket. [[0;32m OK [0m] Listening on [0;1;39mJournal Audit Socket[0m. [ 36.124629] systemd[1]: Listening on Journal Socket (/dev/log). [[0;32m OK [0m] Listening on [0;1;39mJournal Socket (/dev/log)[0m. [ 36.151348] systemd[1]: Listening on Journal Socket. [[0;32m OK [0m] Listening on [0;1;39mJournal Socket[0m. [ 36.175799] systemd[1]: Listening on Network Service Netlink Socket. [[0;32m OK [0m] Listening on [0;1;39mNetwork Service Netlink Socket[0m. [ 36.207403] systemd[1]: Listening on udev Control Socket. [[0;32m OK [0m] Listening on [0;1;39mudev Control Socket[0m. [ 36.230565] systemd[1]: Listening on udev Kernel Socket. [[0;32m OK [0m] Listening on [0;1;39mudev Kernel Socket[0m. [ 36.282467] systemd[1]: Mounting Huge Pages File System... Mounting [0;1;39mHuge Pages File System[0m... [ 36.322771] systemd[1]: Mounting POSIX Message Queue File System... Mounting [0;1;39mPOSIX Message Queue File System[0m... [ 36.366690] systemd[1]: Mounting Kernel Debug File System... Mounting [0;1;39mKernel Debug File System[0m... [ 36.407114] systemd[1]: Mounting Kernel Trace File System... Mounting [0;1;39mKernel Trace File System[0m... [ 36.467562] 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... [ 36.515609] systemd[1]: Starting Load Kernel Module configfs... Starting [0;1;39mLoad Kernel Module configfs[0m... [ 36.556300] systemd[1]: Starting Load Kernel Module drm... Starting [0;1;39mLoad Kernel Module drm[0m... [ 36.597640] systemd[1]: Starting Load Kernel Module fuse... Starting [0;1;39mLoad Kernel Module fuse[0m... [ 36.630172] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped. [ 36.672125] systemd[1]: Starting Journal Service... Starting [0;1;39mJournal Service[0m... [ 36.722510] fuse: init (API version 7.32) [ 36.738857] systemd[1]: Starting Load Kernel Modules... Starting [0;1;39mLoad Kernel Modules[0m... [ 36.778881] systemd[1]: Starting Remount Root and Kernel File Systems... Starting [0;1;39mRemount Root and Kernel File Systems[0m... [ 36.803262] random: systemd: uninitialized urandom read (16 bytes read) [ 36.829516] systemd[1]: Starting Coldplug All udev Devices... Starting [0;1;39mColdplug All udev Devices[0m... [ 36.877043] systemd[1]: Mounted Huge Pages File System. [[0;32m OK [0m] Mounted [0;1;39mHuge Pages File System[0m. [ 36.900809] systemd[1]: Mounted POSIX Message Queue File System. [[0;32m OK [0m] Mounted [0;1;39mPOSIX Message Queue File System[0m. [ 36.926361] systemd[1]: Mounted Kernel Debug File System. [[0;32m OK [0m] Mounted [0;1;39mKernel Debug File System[0m. [ 36.949641] systemd[1]: Mounted Kernel Trace File System. [[0;32m OK [0m] Mounted [0;1;39mKernel Trace File System[0m. [ 36.983272] 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. [ 37.016011] systemd[1]: modprobe@configfs.service: Succeeded. [ 37.030105] systemd[1]: Finished Load Kernel Module configfs. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Module configfs[0m. [ 37.059887] systemd[1]: modprobe@drm.service: Succeeded. [ 37.073780] systemd[1]: Finished Load Kernel Module drm. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Module drm[0m. [ 37.096374] random: systemd-journal: uninitialized urandom read (16 bytes read) [ 37.102706] systemd[1]: modprobe@fuse.service: Succeeded. [ 37.117595] systemd[1]: Finished Load Kernel Module fuse. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Module fuse[0m. [ 37.148605] systemd[1]: Finished Load Kernel Modules. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Modules[0m. [ 37.175991] systemd[1]: Finished Remount Root and Kernel File Systems. [[0;32m OK [0m] Finished [0;1;39mRemount Root and Kernel File Systems[0m. [ 37.205413] random: systemd: uninitialized urandom read (16 bytes read) [ 37.240438] systemd[1]: Mounting FUSE Control File System... Mounting [0;1;39mFUSE Control File System[0m... [ 37.290257] systemd[1]: Mounting Kernel Configuration File System... Mounting [0;1;39mKernel Configuration File System[0m... [ 37.323581] systemd[1]: Condition check resulted in Rebuild Hardware Database being skipped. [ 37.333804] systemd[1]: Condition check resulted in Platform Persistent Storage Archival being skipped. [ 37.373691] systemd[1]: Starting Load/Save Random Seed... Starting [0;1;39mLoad/Save Random Seed[0m... [ 37.425457] systemd[1]: Starting Apply Kernel Variables... Starting [0;1;39mApply Kernel Variables[0m... [ 37.480151] systemd[1]: Starting Create System Users... Starting [0;1;39mCreate System Users[0m... [ 37.515798] systemd[1]: Mounted FUSE Control File System. [[0;32m OK [0m] Mounted [0;1;39mFUSE Control File System[0m. [ 37.540091] systemd[1]: Mounted Kernel Configuration File System. [[0;32m OK [0m] Mounted [0;1;39mKernel Configuration File System[0m. [ 37.564942] systemd[1]: Started Journal Service. [[0;32m OK [0m] Started [0;1;39mJournal Service[0m. Starting [0;1;39mFlush Journal to Persistent Storage[0m... [[0;32m OK [0m] Finished [0;1;39mApply Kernel Variables[0m. [ 37.826850] systemd-journald[232]: Received client request to flush runtime journal. [ 37.849926] random: systemd-journal: uninitialized urandom read (16 bytes read) [[0;32m OK [0m] Finished [0;1;39mCreate System Users[0m. [ 37.925697] random: systemd: uninitialized urandom read (16 bytes read) Starting [0;1;39mCreate Static Device Nodes in /dev[0m... [ 39.234455] random: crng init done [ 39.238151] random: 48 urandom warning(s) missed due to ratelimiting [[0;32m OK [0m] Finished [0;1;39mLoad/Save Random Seed[0m. [[0;32m OK [0m] Finished [0;1;39mCreate Static Device Nodes in /dev[0m. [[0;32m OK [0m] Reached target [0;1;39mLocal File Systems (Pre)[0m. [[0;32m OK [0m] Reached target [0;1;39mLocal File Systems[0m. Starting [0;1;39mRule-based Manage…for Device Events and Files[0m... [[0;32m OK [0m] Finished [0;1;39mColdplug All udev Devices[0m. [[0;32m OK [0m] Finished [0;1;39mFlush Journal to Persistent Storage[0m. Starting [0;1;39mCreate Volatile Files and Directories[0m... [[0;32m OK [0m] Started [0;1;39mRule-based Manager for Device Events and Files[0m. Starting [0;1;39mNetwork Service[0m... [[0;32m OK [0m] Finished [0;1;39mCreate Volatile Files and Directories[0m. Starting [0;1;39mUpdate UTMP about System Boot/Shutdown[0m... [[0;32m OK [0m] Finished [0;1;39mUpdate UTMP about System Boot/Shutdown[0m. [[0;32m OK [0m] Reached target [0;1;39mSystem Initialization[0m. [[0;32m OK [0m] Started [0;1;39mDaily apt download activities[0m. [[0;32m OK [0m] Started [0;1;39mDaily apt upgrade and clean activities[0m. [[0;32m OK [0m] Started [0;1;39mPeriodic ext4 Onli…ata Check for All Filesystems[0m. [[0;32m OK [0m] Started [0;1;39mDiscard unused blocks once a week[0m. [[0;32m OK [0m] Started [0;1;39mDaily Cleanup of Temporary Directories[0m. [[0;32m OK [0m] Reached target [0;1;39mTimers[0m. [[0;32m OK [0m] Listening on [0;1;39mD-Bus System Message Bus Socket[0m. [[0;32m OK [0m] Reached target [0;1;39mSockets[0m. [[0;32m OK [0m] Reached target [0;1;39mBasic System[0m. [[0;32m OK [0m] Started [0;1;39mD-Bus System Message Bus[0m. Starting [0;1;39mRemove Stale Onli…t4 Metadata Check Snapshots[0m... Starting [0;1;39mUser Login Management[0m... [[0;32m OK [0m] Started [0;1;39mNetwork Service[0m. Starting [0;1;39mNetwork Name Resolution[0m... [[0;32m OK [0m] Found device [0;1;39m/dev/ttyAMA0[0m. [[0;32m OK [0m] Finished [0;1;39mRemove Stale Onli…ext4 Metadata Check Snapshots[0m. [[0;32m OK [0m] Started [0;1;39mUser Login Management[0m. [[0;32m OK [0m] Started [0;1;39mNetwork Name Resolution[0m. [[0;32m OK [0m] Reached target [0;1;39mNetwork[0m. [[0;32m OK [0m] Reached target [0;1;39mHost and Network Name Lookups[0m. Starting [0;1;39mPermit User Sessions[0m... [[0;32m OK [0m] Finished [0;1;39mPermit User Sessions[0m. [[0;32m OK [0m] Started [0;1;39mGetty on tty1[0m. [[0;32m OK [0m] Started [0;1;39mSerial Getty on ttyAMA0[0m. [[0;32m OK [0m] Reached target [0;1;39mLogin Prompts[0m. [[0;32m OK [0m] Reached target [0;1;39mMulti-User System[0m. [[0;32m OK [0m] Reached target [0;1;39mGraphical Interface[0m. Starting [0;1;39mUpdate UTMP about System Runlevel Changes[0m... [[0;32m OK [0m] Finished [0;1;39mUpdate UTMP about System Runlevel Changes[0m. Debian GNU/Linux 11 debian-bullseye-arm64 ttyAMA0 debian-bullseye-arm64 login: root (automatic login) Linux debian-bullseye-arm64 5.10.136-cip14 #1 SMP PREEMPT Tue Aug 23 03:49:37 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/445985/extract-nfsrootfs-gvc0ges9' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/445985/extract-nfsrootfs-gvc0ges9' / # 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-445985/environment . /lava-445985/environment / # /lava-445985/bin/lava-test-runner /lava-445985/0 /lava-445985/bin/lava-test-runner /lava-445985/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-445985/0/tests/0_timesync-off ++ cat uuid + UUID=445985_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-445985/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=445985_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/v5.10.136-cip14/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-445985/0/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... E: Release file for http://deb.debian.org/debian/dists/bullseye/InRelease is not valid yet (invalid for another 110d 13h 47min 6s). Updates for this repository will not be applied. Reading package lists... Building dependency tree... Reading state information... iproute2 is already the newest version (5.10.0-4). perl is already the newest version (5.32.1-4+deb11u2). sed is already the newest version (4.7-1). wget is already the newest version (1.21-1+deb11u1). xz-utils is already the newest version (5.2.5-2.1~deb11u1). 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded. --2022-03-20 19:56:39-- http://storage.kernelci.org/cip/linux-5.10.y-cip/v5.10.136-cip14/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. 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13419696.29714526 s in the future tar: ./netfilter: time stamp 2022-08-23 04:14:32 is 13421855.29298482 s in the future tar: .: time stamp 2022-08-23 04:14:36 is 13421859.2890169 s in the future 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 ======================================== [ 130.084716] 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 [ 131.158473] lkdtm: Performing direct entry BUG [ 131.163261] ------------[ cut here ]------------ [ 131.167929] kernel BUG at drivers/misc/lkdtm/bugs.c:76! [ 131.173481] Internal error: Oops - BUG: 0 [#1] PREEMPT SMP [ 131.178989] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 131.188490] CPU: 0 PID: 768 Comm: cat Not tainted 5.10.136-cip14 #1 [ 131.194774] Hardware name: ARM Juno development board (r0) (DT) [ 131.200714] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 131.206746] pc : lkdtm_BUG+0xc/0x10 [ 131.210250] lr : lkdtm_do_action+0x24/0x40 [ 131.214358] sp : ffff8000149a3d10 [ 131.217682] x29: ffff8000149a3d10 x28: ffff000803d5e200 [ 131.223025] x27: 0000000000000000 x26: 0000000000000000 [ 131.228367] x25: ffff800011520830 x24: ffff8000149a3e20 [ 131.233708] x23: 0000000000000004 x22: ffff000808138000 [ 131.239050] x21: ffff800011a35fa0 x20: ffff800011520840 [ 131.244391] x19: 0000000000000001 x18: ffff800012af52d0 [ 131.249732] x17: 0000000000000000 x16: 0000000000000000 [ 131.255073] x15: 0000000000000028 x14: 00000000000437c0 [ 131.260415] x13: ffff800012a0fb10 x12: 00000000c0af46b1 [ 131.265756] x11: ffff000803d5ea80 x10: ffff800012628250 [ 131.271097] x9 : ffff800010a2aff4 x8 : ffff8000125d0250 [ 131.276438] x7 : ffff800012628250 x6 : ffff8000125a1000 [ 131.281780] x5 : ffff8000125a1c88 x4 : ffff00097ef0ac50 [ 131.287121] x3 : 0000000000000000 x2 : 0000000000000000 [ 131.292462] x1 : ffff000803d5e200 x0 : ffff800010a2b6a0 [ 131.297803] Call trace: [ 131.300261] lkdtm_BUG+0xc/0x10 [ 131.303415] direct_entry+0xd4/0x140 [ 131.307008] full_proxy_write+0x6c/0xc0 [ 131.310859] vfs_write+0xf0/0x210 [ 131.314187] ksys_write+0x74/0x100 [ 131.317602] __arm64_sys_write+0x28/0x34 [ 131.321542] el0_svc_common.constprop.0+0x84/0x1e0 [ 131.326350] do_el0_svc+0x30/0xa0 [ 131.329681] el0_svc+0x20/0x30 [ 131.332747] el0_sync_handler+0x1a4/0x1b0 [ 131.336771] el0_sync+0x180/0x1c0 [ 131.340105] Code: d503201f d503245f aa1e03e9 d503201f (d4210000) [ 131.346223] ---[ end trace 2c82367ade12ce55 ]--- [ 131.350857] note: cat[768] exited with preempt_count 1 [ 131.356014] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 131.364913] in_atomic(): 0, irqs_disabled(): 128, non_block: 0, pid: 768, name: cat [ 131.372590] INFO: lockdep is turned off. [ 131.376525] irq event stamp: 1954 [ 131.379861] hardirqs last enabled at (1953): [] console_unlock+0x540/0x6a4 [ 131.388416] hardirqs last disabled at (1954): [] el1_dbg+0x24/0x50 [ 131.396185] softirqs last enabled at (1950): [] __do_softirq+0x5b8/0x638 [ 131.404566] softirqs last disabled at (1945): [] __irq_exit_rcu+0x178/0x1ac [ 131.413119] CPU: 0 PID: 768 Comm: cat Tainted: G D 5.10.136-cip14 #1 [ 131.420796] Hardware name: ARM Juno development board (r0) (DT) [ 131.426733] Call trace: [ 131.429192] dump_backtrace+0x0/0x1f0 [ 131.432869] show_stack+0x24/0x30 [ 131.436199] dump_stack+0xf8/0x168 [ 131.439616] ___might_sleep+0x15c/0x20c [ 131.443466] __might_sleep+0x5c/0x94 [ 131.447058] exit_signals+0x38/0x24c [ 131.450648] do_exit+0xdc/0xb40 [ 131.453803] die+0x230/0x270 [ 131.456696] bug_handler+0x58/0x80 [ 131.460113] call_break_hook+0x70/0x84 [ 131.463878] brk_handler+0x28/0x70 [ 131.467296] do_debug_exception+0xd8/0x150 [ 131.471410] el1_dbg+0x34/0x50 [ 131.474480] el1_sync_handler+0x9c/0xd0 [ 131.478331] el1_sync+0x88/0x140 [ 131.481572] lkdtm_BUG+0xc/0x10 [ 131.484726] direct_entry+0xd4/0x140 [ 131.488320] full_proxy_write+0x6c/0xc0 [ 131.492172] vfs_write+0xf0/0x210 [ 131.495501] ksys_write+0x74/0x100 [ 131.498917] __arm64_sys_write+0x28/0x34 [ 131.502858] el0_svc_common.constprop.0+0x84/0x1e0 [ 131.507668] do_el0_svc+0x30/0xa0 [ 131.510998] el0_svc+0x20/0x30 [ 131.514066] el0_sync_handler+0x1a4/0x1b0 [ 131.518090] el0_sync+0x180/0x1c0 [ 131.523226] ------------[ cut here ]------------ [ 131.527877] WARNING: CPU: 0 PID: 0 at kernel/rcu/tree.c:624 rcu_eqs_enter.constprop.0+0xe4/0x140 # Segmenta[ 131.536685] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 131.546963] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G D W 5.10.136-cip14 #1 tion fault[ 131.554987] Hardware name: ARM Juno development board (r0) (DT) [ 131.561782] pstate: 200003c5 (nzCv DAIF -PAN -UAO -TCO BTYPE=--) [ 131.567808] pc : rcu_eqs_enter.constprop.0+0xe4/0x140 [ 131.573033] lr : rcu_idle_enter+0x28/0xf0 [ 131.577054] sp : ffff800012593e10 [ 131.580379] x29: ffff800012593e10 x28: 0000000081e00018 [ 131.585721] x27: 00000000fef4a810 x26: 0000000000000000 [ 131.591063] x25: 0000000000000000 x24: 0000001e9f64ccfc [ 131.596404] x23: 0000000000000000 x22: ffff000807050880 [ 131.601745] x21: ffff00097ef1e140 x20: ffff800011e11380 [ 131.607086] x19: ffff00097ef20380 x18: 0000000000000000 [ 131.612427] x17: 0000000000000000 x16: 0000000000000000 [ 131.617768] x15: 0000000000000030 x14: ffffffffffffffff [ 131.623109] x13: 00000000000002eb x12: 071c71c71c71c71c [ 131.628451] x11: 00000000000002eb x10: ffff00097ef1e4ac [ 131.633792] x9 : ffff800010e74194 x8 : 0000000000000077 [ 131.639133] x7 : ffff00097ef1e4cc x6 : 00000001a4fe06d7 [ 131.644475] x5 : 00ffffffffffffff x4 : 0000000000000015 [ 131.649815] x3 : 000000000424eb3c x2 : 0000000000000004 [ 131.655156] x1 : 4000000000000002 x0 : 4000000000000000 [ 131.660496] Call trace: [ 131.662955] rcu_eqs_enter.constprop.0+0xe4/0x140 [ 131.667677] rcu_idle_enter+0x28/0xf0 [ 131.671356] cpuidle_enter_state+0x230/0x31c [ 131.675642] cpuidle_enter+0x44/0x5c [ 131.679234] do_idle+0x240/0x2d0 [ 131.682476] cpu_startup_entry+0x30/0x8c [ 131.686412] rest_init+0x188/0x28c [ 131.689830] arch_call_rest_init+0x1c/0x28 [ 131.693942] start_kernel+0x544/0x57c [ 131.697616] irq event stamp: 1618264 [ 131.701208] hardirqs last enabled at (1618263): [] tick_nohz_idle_exit+0x7c/0x1c4 [ 131.710370] hardirqs last disabled at (1618264): [] __schedule+0x360/0x9ac [ 131.718835] softirqs last enabled at (1618260): [] _local_bh_enable+0x30/0x54 [ 131.727647] softirqs last disabled at (1618259): [] irq_enter_rcu+0x80/0xa0 [ 131.736193] ---[ end trace 2c82367ade12ce56 ]--- # [ 131.158473] lkdtm: Performing direct entry BUG # [ 131.163261] ------------[ cut here ]------------ # [ 131.167929] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 131.173481] Internal error: Oops - BUG: 0 [#1] PREEMPT SMP # [ 131.178989] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 131.188490] CPU: 0 PID: 768 Comm: cat Not tainted 5.10.136-cip14 #1 # [ 131.194774] Hardware name: ARM Juno development board (r0) (DT) # [ 131.200714] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 131.206746] pc : lkdtm_BUG+0xc/0x10 # [ 131.210250] lr : lkdtm_do_action+0x24/0x40 # [ 131.214358] sp : ffff8000149a3d10 # [ 131.217682] x29: ffff8000149a3d10 x28: ffff000803d5e200 # [ 131.223025] x27: 0000000000000000 x26: 0000000000000000 # [ 131.228367] x25: ffff800011520830 x24: ffff8000149a3e20 # [ 131.233708] x23: 0000000000000004 x22: ffff000808138000 # [ 131.239050] x21: ffff800011a35fa0 x20: ffff800011520840 # [ 131.244391] x19: 0000000000000001 x18: ffff800012af52d0 # [ 131.249732] x17: 0000000000000000 x16: 0000000000000000 # [ 131.255073] x15: 0000000000000028 x14: 00000000000437c0 # [ 131.260415] x13: ffff800012a0fb10 x12: 00000000c0af46b1 # [ 131.265756] x11: ffff000803d5ea80 x10: ffff800012628250 # [ 131.271097] x9 : ffff800010a2aff4 x8 : ffff8000125d0250 # [ 131.276438] x7 : ffff800012628250 x6 : ffff8000125a1000 # [ 131.281780] x5 : ffff8000125a1c88 x4 : ffff00097ef0ac50 # [ 131.287121] x3 : 0000000000000000 x2 : 0000000000000000 # [ 131.292462] x1 : ffff000803d5e200 x0 : ffff800010a2b6a0 # [ 131.297803] Call trace: # [ 131.300261] lkdtm_BUG+0xc/0x10 # [ 131.303415] direct_entry+0xd4/0x140 # [ 131.307008] full_proxy_write+0x6c/0xc0 # [ 131.310859] vfs_write+0xf0/0x210 # [ 131.314187] ksys_write+0x74/0x100 # [ 131.317602] __arm64_sys_write+0x28/0x34 # [ 131.321542] el0_svc_common.constprop.0+0x84/0x1e0 # [ 131.326350] do_el0_svc+0x30/0xa0 # [ 131.329681] el0_svc+0x20/0x30 # [ 131.332747] el0_sync_handler+0x1a4/0x1b0 # [ 131.336771] el0_sync+0x180/0x1c0 # [ 131.340105] Code: d503201f d503245f aa1e03e9 d503201f (d4210000) # [ 131.346223] ---[ end trace 2c82367ade12ce55 ]--- # [ 131.350857] note: cat[768] exited with preempt_count 1 # [ 131.356014] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 131.364913] in_atomic(): 0, irqs_disabled(): 128, non_block: 0, pid: 768, name: cat # [ 131.372590] INFO: lockdep is turned off. # [ 131.376525] irq event stamp: 1954 # [ 131.379861] hardirqs last enabled at (1953): [] console_unlock+0x540/0x6a4 # [ 131.388416] hardirqs last disabled at (1954): [] el1_dbg+0x24/0x50 # [ 131.396185] softirqs last enabled at (1950): [] __do_softirq+0x5b8/0x638 # [ 131.404566] softirqs last disabled at (1945): [] __irq_exit_rcu+0x178/0x1ac # [ 131.413119] CPU: 0 PID: 768 Comm: cat Tainted: G D 5.10.136-cip14 #1 # [ 131.420796] Hardware name: ARM Juno development board (r0) (DT) # [ 131.426733] Call trace: # [ 131.429192] dump_backtrace+0x0/0x1f0 # [ 131.432869] show_stack+0x24/0x30 # [ 131.436199] dump_stack+0xf8/0x168 # [ 131.439616] ___might_sleep+0x15c/0x20c # [ 131.443466] __might_sleep+0x5c/0x94 # [ 131.447058] exit_signals+0x38/0x24c # [ 131.450648] do_exit+0xdc/0xb40 # [ 131.453803] die+0x230/0x270 # [ 131.456696] bug_handler+0x58/0x80 # [ 131.460113] call_break_hook+0x70/0x84 # [ 131.463878] brk_handler+0x28/0x70 # [ 131.467296] do_debug_exception+0xd8/0x150 # [ 131.471410] el1_dbg+0x34/0x50 # [ 131.474480] el1_sync_handler+0x9c/0xd0 # [ 131.478331] el1_sync+0x88/0x140 # [ 131.481572] lkdtm_BUG+0xc/0x10 # [ 131.484726] direct_entry+0xd4/0x140 # [ 131.488320] full_proxy_write+0x6c/0xc0 # [ 131.492172] vfs_write+0xf0/0x210 # [ 131.495501] ksys_write+0x74/0x100 # [ 131.498917] __arm64_sys_write+0x28/0x34 # [ 131.502858] el0_svc_common.constprop.0+0x84/0x1e0 # [ 131.507668] do_el0_svc+0x30/0xa0 # [ 131.510998] el0_svc+0x20/0x30 # [ 131.514066] el0_sync_handler+0x1a4/0x1b0 # [ 131.518090] el0_sync+0x180/0x1c0 # [ 131.523226] ------------[ cut here ]------------ # [ 131.527877] WARNING: CPU: 0 PID: 0 at kernel/rcu/tree.c:624 rcu_eqs_enter.constprop.0+0xe4/0x140 # [ 131.536685] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 131.546963] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G D W 5.10.[ 132.231229] lkdtm: Performing direct entry WARNING 136-cip14 #1 # [ 131.554987] H[ 132.238558] ------------[ cut here ]------------ [ 132.245856] WARNING: CPU: 0 PID: 806 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x2c/0x40 [ 132.254319] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 132.263823] CPU: 0 PID: 806 Comm: cat Tainted: G D W 5.10.136-cip14 #1 [ 132.271498] Hardware name: ARM Juno development board (r0) (DT) [ 132.277438] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 132.283464] pc : lkdtm_WARNING+0x2c/0x40 [ 132.287404] lr : lkdtm_do_action+0x24/0x40 [ 132.291512] sp : ffff800014a33d10 [ 132.294837] x29: ffff800014a33d10 x28: ffff000806734980 [ 132.300179] x27: 0000000000000000 x26: 0000000000000000 [ 132.305521] x25: ffff800011520830 x24: ffff800014a33e20 [ 132.310862] x23: 0000000000000008 x22: ffff0008024f7000 [ 132.316203] x21: ffff800011a35fa8 x20: ffff800011520850 [ 132.321544] x19: 0000000000000002 x18: 0000000000000000 [ 132.326885] x17: 0000000000000000 x16: 0000000000000000 [ 132.332226] x15: 0000000000000030 x14: ffffffffffffffff [ 132.337568] x13: ffff800094a33a07 x12: ffff800014a33a0f [ 132.342909] x11: 0000000000000038 x10: ffff800012628250 [ 132.348251] x9 : ffff800010a2aff4 x8 : ffff8000125d0250 [ 132.353592] x7 : ffff800012628250 x6 : ffff8000125a1000 [ 132.358933] x5 : ffff8000125a1c88 x4 : ffff00097ef0ac50 [ 132.364274] x3 : 0000000000000000 x2 : 0000000000000000 [ 132.369616] x1 : ffff8000134dd000 x0 : 0000000000000001 [ 132.374956] Call trace: [ 132.377415] lkdtm_WARNING+0x2c/0x40 [ 132.381004] direct_entry+0xd4/0x140 [ 132.384597] full_proxy_write+0x6c/0xc0 [ 132.388448] vfs_write+0xf0/0x210 [ 132.391775] ksys_write+0x74/0x100 [ 132.395190] __arm64_sys_write+0x28/0x34 [ 132.399130] el0_svc_common.constprop.0+0x84/0x1e0 [ 132.403938] do_el0_svc+0x30/0xa0 [ 132.407269] el0_svc+0x20/0x30 [ 132.410335] el0_sync_handler+0x1a4/0x1b0 [ 132.414359] el0_sync+0x180/0x1c0 [ 132.417684] irq event stamp: 0 [ 132.420754] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 132.427046] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 [ 132.435250] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 [ 132.443451] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 132.449735] ---[ end trace 2c82367ade12ce57 ]--- ardware name: ARM Juno development board (r0) (DT) # [ 131.561782] pstate: 200003c5 (nzCv DAIF -PAN -UAO -TCO BTYPE=--) # [ 131.567808] pc : rcu_eqs_enter.constprop.0+0xe4/0x140 # [ 131.573033] lr : rcu_idle_enter+0x28/0xf0 # [ 131.577054] sp : ffff800012593e10 # [ 131.580379] x29: ffff800012593e10 x28: 0000000081e00018 # [ 131.585721] x27: 00000000fef4a810 x26: 0000000000000000 # [ 131.591063] x25: 0000000000000000 x24: 0000001e9f64ccfc # [ 131.596404] x23: 0000000000000000 x22: ffff000807050880 # [ 131.601745] x21: ffff00097ef1e140 x20: ffff800011e11380 # [ 131.607086] x19: ffff00097ef20380 x18: 0000000000000000 # [ 131.612427] x17: 0000000000000000 x16: 0000000000000000 # [ 131.617768] x15: 0000000000000030 x14: ffffffffffffffff # [ 131.623109] x13: 00000000000002eb x12: 071c71c71c71c71c # [ 131.628451] x11: 00000000000002eb x10: ffff00097ef1e4ac # [ 131.633792] x9 : ffff800010e74194 x8 : 0000000000000077 # [ 131.639133] x7 : ffff00097ef1e4cc x6 : 00000001a4fe06d7 # [ 131.644475] x5 : 00ffffffffffffff x4 : 0000000000000015 # [ 131.649815] x3 : 000000000424eb3c x2 : 0000000000000004 # [ 131.655156] x1 : 4000000000000002 x0 : 4000000000000000 # [ 131.660496] Call trace: # [ 131.662955] rcu_eqs_enter.constprop.0+0xe4/0x140 # [ 131.667677] rcu_idle_enter+0x28/0xf0 # [ 131.671356] cpuidle_enter_state+0x230/0x31c # [ 131.675642] cpuidle_enter+0x44/0x5c # [ 131.679234] do_idle+0x240/0x2d0 # [ 131.682476] cpu_startup_entry+0x30/0x8c # [ 131.686412] rest_init+0x188/0x28c # [ 131.689830] arch_call_rest_init+0x1c/0x28 # [ 131.693942] start_kernel+0x544/0x57c # [ 131.697616] irq event stamp: 1618264 # [ 131.701208] hardirqs last enabled at (1618263): [] tick_nohz_idle_exit+0x7c/0x1c4 # [ 131.710370] hardirqs last disabled at (1618264): [] __schedule+0x360/0x9ac # [ 131.718835] softirqs last enabled at (1618260): [] _local_bh_enable+0x30/0x54 # [ 131.727647] softirqs last disabled at (1618259): [] irq_enter_rcu+0x80/0xa0 # [ 131.736193] ---[ end trace 2c82367ade12ce56 ]--- # BUG: saw 'kernel BUG at': ok ok 2 selftests: lkdtm: BUG.sh # selftests: lkdtm: WARNING.sh # [ 132.231229] lkdtm: Performing direct entry WARNING # [ 132.238558] ------------[ cut here ]------------ # [ 132.245856] WARNING: CPU: 0 PID: 806 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x2c/0x40 # [ 132.254319] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 132.263823] CPU: 0 PID: 806 Comm: cat Tainted: G D W 5.10.136-cip14 #1 # [ 132.271498] Hardware name: ARM Juno development board (r0) (DT) # [ 132.277438] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 132.283464] pc : lkdtm_WARNING+0x2c/0x40 # [ 132.287404] lr : lkdtm_do_action+0x24/0x40 # [ 132.291512] sp : ffff800014a33d10 # [ 132.294837] x29: ffff800014a33d10 x28: ffff000806734980 # [ 132.300179] x27: 0000000000000000 x26: 0000000000000000 # [ 132.305521] x25: ffff800011520830 x24: ffff800014a33e20 # [ 132.310862] x23: 0000000000000008 x22: ffff0008024f7000 # [ 132.316203] x21: ffff800011a35fa8 x20: ffff800011520850 # [ 132.321544] x19: 0000000000000002 x18: 0000000000000000 # [ 132.326885] x17: 0000000000000000 x16: 0000000000000000 # [ 132.332226] x15: 0000000000000030 x14: ffffffffffffffff # [ 132.337568] x13: ffff800094a33a07 x12: ffff800014a33a0f # [ 132.342909] x11: 0000000000000038 x10: ffff800012628250 # [ 132.348251] x9 : ffff800010a2aff4 x8 : ffff8000125d0250 # [ 132.353592] x7 : ffff800012628250 x6 : ffff8000125a1000 # [ 132.358933] x5 : ffff8000125a1c88 x4 : ffff00097ef0ac50 # [ 132.364274] x3 : 0000000000000000 x2 : 0000000000000000 # [ 132.369616] x1 : ffff8000134dd000 x0 : 0000000000000001 # [ 132.374956] Call trace: # [ 132.377415] lkdtm_WARNING+0x2c/0x40 # [ 132.381004] direct_entry+0xd4/0x140 # [ 132.384597] full_proxy_write+0x6c/0xc0 # [ 132.388448] vfs_write+0xf0/0x210 # [ 132.391775] ksys_write+0x74/0x100 # [ 132.395190] __arm64_sys_write+0x28/0x34 # [ 132.399130] el0_svc[ 132.818933] lkdtm: Performing direct entry WARNING_MESSAGE _common.constprop.0+0x84/0x1e0 [ 132.826437] ------------[ cut here ]------------ # [ 132.403938] do_el0_svc+0x3[ 132.833789] Warning message trigger count: 2 0/0xa0 # [ 132.407269] el0_sv[ 132.840868] WARNING: CPU: 5 PID: 841 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x34/0x44 c+0x20/0x30 # [ 132.410335] e[ 132.852641] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc l0_sync_handler+0x1a4/0x1b0 # [[ 132.864837] CPU: 5 PID: 841 Comm: cat Tainted: G D W 5.10.136-cip14 #1 132.414359] el0_sync+0x180/0x[ 132.875278] Hardware name: ARM Juno development board (r0) (DT) 1c0 # [ 132.417684] irq event [ 132.883987] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) stamp: 0 # [ 132.420754] hardi[ 132.892779] pc : lkdtm_WARNING_MESSAGE+0x34/0x44 rqs last enabled at (0): [<0000[ 132.900173] lr : lkdtm_WARNING_MESSAGE+0x34/0x44 000000000000>] 0x0 # [ 132.427[ 132.907569] sp : ffff800014aebd00 046] hardirqs last disabled at ([ 132.913663] x29: ffff800014aebd00 x28: ffff000800c16200 0): [] copy_pr[ 132.921758] x27: 0000000000000000 x26: 0000000000000000 ocess+0x5b0/0x1840 # [ 132.435[ 132.929853] x25: ffff800011520830 x24: ffff800014aebe20 250] softirqs last enabled at ([ 132.937947] x23: 0000000000000010 x22: ffff0008071f3000 0): [] copy_pr[ 132.946042] x21: ffff800011a35fb0 x20: ffff800011520860 ocess+0x5b0/0x1840 # [ 132.443[ 132.954136] x19: 0000000000000003 x18: 0000000000000000 451] softirqs last disabled at ([ 132.962231] x17: 0000000000000000 x16: 0000000000000000 0): [<0000000000000000>] 0x0 # [ 132.970326] x15: 0000000000000030 x14: ffffffffffffffff [ 132.449735] ---[ end trace 2c[ 132.978421] x13: ffff800094aeb9a7 x12: ffff800014aeb9af 82367ade12ce57 ]--- # WARNING: [ 132.986516] x11: 0000000000000038 x10: ffff800012628250 saw 'WARNING:': ok ok 3 selftes[ 132.994611] x9 : ffff800010132304 x8 : ffff8000125d0250 ts: lkdtm: WARNING.sh # selftes[ 133.002706] x7 : ffff800012628250 x6 : ffff8000125a1000 ts: lkdtm: WARNING_MESSAGE.sh [ 133.010801] x5 : ffff8000125a1c88 x4 : ffff00097efb4c50 [ 133.018808] x3 : 0000000000000000 x2 : 0000000000000000 [ 133.024149] x1 : 0000000000000000 x0 : ffff000800c16200 [ 133.029490] Call trace: [ 133.031949] lkdtm_WARNING_MESSAGE+0x34/0x44 [ 133.036238] lkdtm_do_action+0x24/0x40 [ 133.040000] direct_entry+0xd4/0x140 [ 133.043592] full_proxy_write+0x6c/0xc0 [ 133.047444] vfs_write+0xf0/0x210 [ 133.050771] ksys_write+0x74/0x100 [ 133.054186] __arm64_sys_write+0x28/0x34 [ 133.058126] el0_svc_common.constprop.0+0x84/0x1e0 [ 133.062934] do_el0_svc+0x30/0xa0 [ 133.066265] el0_svc+0x20/0x30 [ 133.069331] el0_sync_handler+0x1a4/0x1b0 [ 133.073356] el0_sync+0x180/0x1c0 [ 133.076682] irq event stamp: 0 [ 133.079752] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 133.086044] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 [ 133.094248] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 [ 133.102450] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 133.108734] ---[ end trace 2c82367ade12ce58 ]--- # [ 132.818933] lkdtm: Performing direct entry WARNING_MESSAGE # [ 132.826437] ------------[ cut here ]------------ # [ 132.833789] Warning message trigger count: 2 # [ 132.840868] WARNING: CPU: 5 PID: 841 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x34/0x44 # [ 132.852641] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 132.864837] CPU: 5 PID: 841 Comm: cat Tainted: G D W 5.10.136-cip14 #1 # [ 132.875278] Hardware name: ARM Juno development board (r0) (DT) # [ 132.883987] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 132.892779] pc : lkdtm_WARNING_MESSAGE+0x34/0x44 # [ 132.900173] lr : lkdtm_WARNING_MESSAGE+0x34/0x44 # [ 132.907569] sp : ffff800014aebd00 # [ 132.913663] x29: ffff800014aebd00 x28: ffff000800c16200 # [ 132.921758] x27: 0000000000000000 x26: 0000000000000000 # [ 132.929853] x25: ffff800011520830 x24: ffff800014aebe20 # [ 132.937947] x23: 0000000000000010 x22: ffff0008071f3000 # [ 132.946042] x21: ffff800011a35fb0 x20: ffff800011520860 # [ 132.954136] x19: 0000000000000003 x18: 0000000000000000 # [ 132.962231] x17: 0000000000000000 x16: 0000000000000000 # [ 132.970326] x15: 0000000000000030 x14: ffffffffffffffff # [ 132.978421] x13: ffff800094aeb9a7 x12: ffff800014aeb9af # [ 132.986516] x11: 0000000000000038 x10: ffff800012628250 # [ 132.994611] x9 : ffff800010132304 x8 : ffff8000125d0250 # [ 133.002706] x7 : ffff800012628250 x6 : ffff8000125a1000 # [ 133.010801] x5 : ffff8000125a1c88 x4 : ffff00097efb4c50 # [ 133.018808] x3 : 0000000000000000 x2 : 0000000000000000 # [ 133.024149] x1 : 0000000000000000 x0 : ffff000800c16200 # [ 133.029490] Call trace: # [ 133.031949] lkdtm_WARNING_MESSAGE+0x34/0x44 # [ 133.036238] lkdtm_do_action+0x24/0x40 # [ 133.040000] direct_entry+0xd4/0x140 # [ 133.043592] full_proxy_write+0x6c/0xc0 # [ 133.047444] vfs_write+0xf0/0x210 # [ 133.050771] ksys_write+0x74/0x100 # [ 133.054186] __arm64_sys_write+0x28/0x34 # [ 133.058126] el0_svc_common.constprop.0+0x84/0x1e0 # [ 133.062934] do_el0_svc+0x30/0xa0 # [ 133.066265] el0_svc+0x20/0x30 # [ 133.069331] el0_sync_handler+0x1a4/0x1b0 # [ 133.073356] el0_sync+0x180/0x1c0 # [ 133.076682] irq event stamp: 0 # [ 133.079752] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 133.086044] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 # [ 133.094248] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 # [ 133.102450] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 133.108734] ---[ end trace 2c82367ade12ce58 ]--- # WARNING_MESSAGE: saw 'message trigger': ok ok 4 selftests: lkdtm: WARNING_MESSAGE.sh # selftests: lkdtm: EXCEPTION.sh [ 133.501989] lkdtm: Performing direct entry EXCEPTION [ 133.507071] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000 [ 133.516019] Mem abort info: [ 133.518902] ESR = 0x96000044 [ 133.521986] EC = 0x25: DABT (current EL), IL = 32 bits [ 133.527504] SET = 0, FnV = 0 [ 133.530612] EA = 0, S1PTW = 0 [ 133.533854] Data abort info: [ 133.536848] ISV = 0, ISS = 0x00000044 [ 133.540727] CM = 0, WnR = 1 [ 133.543732] user pgtable: 4k pages, 48-bit VAs, pgdp=00000008840da000 [ 133.550251] [0000000000000000] pgd=0000000000000000, p4d=0000000000000000 [ 133.557105] Internal error: Oops: 96000044 [#2] PREEMPT SMP [ 133.562689] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 133.572163] CPU: 1 PID: 873 Comm: cat Tainted: G D W 5.10.136-cip14 #1 [ 133.579836] Hardware name: ARM Juno development board (r0) (DT) [ 133.585772] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 133.591802] pc : lkdtm_EXCEPTION+0x18/0x20 [ 133.595910] lr : lkdtm_do_action+0x24/0x40 [ 133.600013] sp : ffff800014b8bd10 [ 133.603332] x29: ffff800014b8bd10 x28: ffff0008028b3100 [ 133.608669] x27: 0000000000000000 x26: 0000000000000000 [ 133.614006] x25: ffff800011520830 x24: ffff800014b8be20 [ 133.619338] x23: 000000000000000a x22: ffff000803013000 [ 133.624669] x21: ffff800011a35fc0 x20: ffff800011520870 [ 133.630000] x19: 0000000000000004 x18: 0000000000000000 [ 133.635331] x17: 0000000000000000 x16: 0000000000000000 [ 133.640662] x15: 0000000000000030 x14: ffffffffffffffff [ 133.645993] x13: ffff800094b8ba07 x12: ffff800014b8ba0f [ 133.651324] x11: 0000000000000008 x10: ffff800012628250 [ 133.656655] x9 : ffff800010a2aff4 x8 : ffff8000125d0250 [ 133.661986] x7 : ffff800012628250 x6 : ffff8000125a1000 [ 133.667316] x5 : ffff8000125a1c88 x4 : ffff00097ef70c50 [ 133.672647] x3 : 0000000000000000 x2 : 0000000000000000 [ 133.677978] x1 : ffff0008028b3100 x0 : 0000000000000000 [ 133.683310] Call trace: [ 133.685762] lkdtm_EXCEPTION+0x18/0x20 [ 133.689519] direct_entry+0xd4/0x140 [ 133.693105] full_proxy_write+0x6c/0xc0 [ 133.696950] vfs_write+0xf0/0x210 [ 133.700271] ksys_write+0x74/0x100 [ 133.703680] __arm64_sys_write+0x28/0x34 [ 133.707614] el0_svc_common.constprop.0+0x84/0x1e0 [ 133.712416] do_el0_svc+0x30/0xa0 [ 133.715741] el0_svc+0x20/0x30 [ 133.718800] el0_sync_handler+0x1a4/0x1b0 [ 133.722818] el0_sync+0x180/0x1c0 [ 133.726144] Code: d503201f d2800000 d503233f d50323bf (b900001f) [ 133.732253] ---[ end trace 2c82367ade12ce59 ]--- # Segmentation fault # [ 133.501989] lkdtm: Performing direct entry EXCEPTION # [ 133.507071] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000 # [ 133.516019] Mem abort info: # [ 133.518902] ESR = 0x96000044 # [ 133.521986] EC = 0x25: DABT (current EL), IL = 32 bits # [ 133.527504] SET = 0, FnV = 0 # [ 133.530612] EA = 0, S1PTW = 0 # [ 133.533854] Data abort info: # [ 133.536848] ISV = 0, ISS = 0x00000044 # [ 133.540727] CM = 0, WnR = 1 # [ 133.543732] user pgtable: 4k pages, 48-bit VAs, pgdp=00000008840da000 # [ 133.550251] [0000000000000000] pgd=0000000000000000, p4d=0000000000000000 # [ 133.557105] Internal error: Oops: 96000044 [#2] PREEMPT SMP # [ 133.562689] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 133.572163] CPU: 1 PID: 873 Comm: cat Tainted: G D W 5.10.136-cip14 #1 # [ 133.579836] Hardware name: ARM Juno development board (r0) (DT) # [ 133.585772] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 133.591802] pc : lkdtm_EXCEPTION+0x18/0x20 # [ 133.595910] lr : lkdtm_do_action+0x24/0x40 # [ 133.600013] sp : ffff800014b8bd10 # [ 133.603332] x29: ffff800014b8bd10 x28: ffff0008028b3100 # [ 133.608669] x27: 0000000000000000 x26: 0000000000000000 # [ 133.614006] x25: ffff800011520830 x24: ffff800014b8be20 # [ 133.619338] x23: 000000000000000a x22: ffff000803013000 # [ 133.624669] x21: ffff800011a35fc0 x20: ffff800011520870 # [ 133.630000] x19: 0000000000000004 x18: 0000000000000000 # [ 133.635331] x17: 0000000000000000 x16: 0000000000000000 # [ 133.640662] x15: 0000000000000030 x14: ffffffffffffffff # [ 133.645993] x13: ffff800094b8ba07 x12: ffff800014b8ba0f # [ 133.651324] x11: 0000000000000008 x10: ffff800012628250 # [ 133.656655] x9 : ffff800010a2aff4 x8 : ffff8000125d0250 # [ 133.661986] x7 : ffff800012628250 x6 : ffff8000125a1000 # [ 133.667316] x5 : ffff8000125a1c88 x4 : ffff00097ef70c50 # [ 133.672647] x3 : 0000000000000000 x2 : 0000000000000000 # [ 133.677978] x1 : ffff0008028b3100 x0 : 0000000000000000 # [ 133.683310] Call trace: # [ 133.685762] lkdtm_EXCEPTION+0x18/0x20 # [ 133.689519] direct_entry+0xd4/0x140 # [ 133.693105] full_proxy_write+0x6c/0xc0 # [ 133.696950] vfs_write+0xf0/0x210 # [ 133.700271] ksys_write+0x74/0x100 # [ 133.703680] __arm64_sys_write+0x28/0x34 # [ 133.707614] el0_svc_common.constprop.0+0x84/0x1e0 # [ 133.712416] do_el0_svc+0x30/0xa0 # [ 133.715741] el0_svc+0x20/0x30 # [ 133.718800] el0_sync_handler+0x1a4/0x1b0 # [ 133.722818] el0_sync+0x180/0x1c0 # [ 133.726144] Code: d503201f d2800000 d503233f d50323bf (b900001f) # [ 133.732253] ---[ end trace 2c82367ade12ce59 ]--- # 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 [ 135.002566] lkdtm: Performing direct entry CORRUPT_LIST_ADD [ 135.008221] lkdtm: attempting good list addition [ 135.012977] lkdtm: attempting corrupted list addition [ 135.018123] lkdtm: list_add() corruption not detected! # [ 135.002566] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 135.008221] lkdtm: attempting good list addition # [ 135.012977] lkdtm: attempting corrupted list addition # [ 135.018123] 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 [ 135.425647] lkdtm: Performing direct entry CORRUPT_LIST_DEL [ 135.431323] lkdtm: attempting good list removal [ 135.436984] lkdtm: attempting corrupted list removal [ 135.442113] lkdtm: list_del() corruption not detected! # [ 135.425647] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 135.431323] lkdtm: attempting good list removal # [ 135.436984] lkdtm: attempting corrupted list removal # [ 135.442113] 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 [ 135.845066] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING [ 135.851435] lkdtm: attempting bad read from page below current stack [ 135.857885] Unable to handle kernel paging request at virtual address ffff800014fbffff [ 135.868693] Mem abort info: [ 135.871773] ESR = 0x96000007 [ 135.874890] EC = 0x25: DABT (current EL), IL = 32 bits [ 135.880239] SET = 0, FnV = 0 [ 135.883320] EA = 0, S1PTW = 0 [ 135.886486] Data abort info: [ 135.889379] ISV = 0, ISS = 0x00000007 [ 135.893248] CM = 0, WnR = 0 [ 135.896305] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081df1000 [ 135.903063] [ffff800014fbffff] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=00000008878d4003, pte=0000000000000000 [ 135.915689] Internal error: Oops: 96000007 [#3] PREEMPT SMP [ 135.921275] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 135.930751] CPU: 2 PID: 1108 Comm: cat Tainted: G D W 5.10.136-cip14 #1 [ 135.938515] Hardware name: ARM Juno development board (r0) (DT) [ 135.944456] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 135.950488] pc : lkdtm_STACK_GUARD_PAGE_LEADING+0x38/0x5c [ 135.955901] lr : lkdtm_STACK_GUARD_PAGE_LEADING+0x30/0x5c [ 135.961309] sp : ffff800014fc3ce0 [ 135.964630] x29: ffff800014fc3ce0 x28: ffff000806466200 [ 135.969964] x27: 0000000000000000 x26: 0000000000000000 [ 135.975296] x25: ffff800011520830 x24: ffff800014fc3e20 [ 135.980627] x23: 0000000000000019 x22: ffff000805085000 [ 135.985958] x21: ffff800011a36040 x20: ffff8000115208e0 [ 135.991289] x19: ffff800014fc0000 x18: 0000000000000000 [ 135.996620] x17: 0000000000000000 x16: 0000000000000000 [ 136.001950] x15: 0000000000000030 x14: ffffffffffffffff [ 136.007281] x13: ffff800094fc39c7 x12: ffff800014fc39cf [ 136.012612] x11: 0000000000000000 x10: ffff800012628250 [ 136.017943] x9 : ffff800010132304 x8 : ffff8000125d0250 [ 136.023274] x7 : ffff800012628250 x6 : ffff8000125a1000 [ 136.028606] x5 : ffff8000125a1c88 x4 : ffff00097ef0ac50 [ 136.033937] x3 : 0000000000000000 x2 : 0000000000000000 [ 136.039268] x1 : ffff000806466200 x0 : ffff800011a36b00 [ 136.044599] Call trace: [ 136.047051] lkdtm_STACK_GUARD_PAGE_LEADING+0x38/0x5c [ 136.052118] lkdtm_do_action+0x24/0x40 [ 136.055874] direct_entry+0xd4/0x140 [ 136.059460] full_proxy_write+0x6c/0xc0 [ 136.063305] vfs_write+0xf0/0x210 [ 136.066626] ksys_write+0x74/0x100 [ 136.070034] __arm64_sys_write+0x28/0x34 [ 136.073967] el0_svc_common.constprop.0+0x84/0x1e0 [ 136.078769] do_el0_svc+0x30/0xa0 [ 136.082091] el0_svc+0x20/0x30 [ 136.085151] el0_sync_handler+0x1a4/0x1b0 [ 136.089168] el0_sync+0x180/0x1c0 [ 136.092494] Code: 912b0000 97ffe011 90003de0 912c0000 (385ff261) [ 136.098603] ---[ end trace 2c82367ade12ce5a ]--- # Segmentation fault # [ 135.845066] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 135.851435] lkdtm: attempting bad read from page below current stack # [ 135.857885] Unable to handle kernel paging request at virtual address ffff800014fbffff # [ 135.868693] Mem abort info: # [ 135.871773] ESR = 0x96000007 # [ 135.874890] EC = 0x25: DABT (current EL), IL = 32 bits # [ 135.880239] SET = 0, FnV = 0 # [ 135.883320] EA = 0, S1PTW = 0 # [ 135.886486] Data abort info: # [ 135.889379] ISV = 0, ISS = 0x00000007 # [ 135.893248] CM = 0, WnR = 0 # [ 135.896305] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081df1000 # [ 135.903063] [ffff800014fbffff] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=00000008878d4003, pte=0000000000000000 # [ 135.915689] Internal error: Oops: 96000007 [#3] PREEMPT SMP # [ 135.921275] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 135.930751] CPU: 2 PID: 1108 Comm: cat Tainted: G D W 5.10.136-cip14 #1 # [ 135.938515] Hardware name: ARM Juno development board (r0) (DT) # [ 135.944456] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 135.950488] pc : lkdtm_STACK_GUARD_PAGE_LEADING+0x38/0x5c # [ 135.955901] lr : lkdtm_STACK_GUARD_PAGE_LEADING+0x30/0x5c # [ 135.961309] sp : ffff800014fc3ce0 # [ 135.964630] x29: ffff800014fc3ce0 x28: ffff000806466200 # [ 135.969964] x27: 0000000000000000 x26: 0000000000000000 # [ 135.975296] x25: ffff800011520830 x24: ffff800014fc3e20 # [ 135.980627] x23: 0000000000000019 x22: ffff000805085000 # [ 135.985958] x21: ffff800011a36040 x20: ffff8000115208e0 # [ 135.991289] x19: ffff800014fc0000 x18: 0000000000000000 # [ 135.996620] x17: 0000000000000000 x16: 0000000000000000 # [ 136.001950] x15: 0000000000000030 x14: ffffffffffffffff # [ 136.007281] x13: ffff800094fc39c7 x12: ffff800014fc39cf # [ 136.012612] x11: 0000000000000000 x10: ffff800012628250 # [ 136.017943] x9 : ffff800010132304 x8 : ffff8000125d0250 # [ 136.023274] x7 : ffff800012628250 x6 : ffff8000125a1000 # [ 136.028606] x5 : ffff8000125a1c88 x4 : ffff00097ef0ac50 # [ 136.033937] x3 : 0000000000000000 x2 : 0000000000000000 # [ 136.039268] x1 : ffff000806466200 x0 : ffff800011a36b00 # [ 136.044599] Call trace: # [ 136.047051] lkdtm_STACK_GUARD_PAGE_LEADING+0x38/0x5c # [ 136.052118] lkdtm_do_action+0x24/0x40 # [ 136.055874] direct_entry+0xd4/0x140 # [ 136.059460] full_proxy_write+0x6c/0xc0 # [ 136.063305] vfs_write+0xf0/0x210 # [ 136.066626] ksys_write+0x74/0x100 # [ 136.070034] __arm64_sys_write+0x28/0x34 # [ 136.073967] el0_svc_common.constprop.0+0x84/0x1e0 # [ 136.078769] do_el0_svc+0x30/0xa0 # [ 136.082091] el0_svc+0x20/0x30 # [ 136.085151] el0_sync_handler+0x1a4/0x1b0 # [ 136.089168] el0_sync+0x180/0x1c0 # [ 136.092494] Code: 912b0000 97ffe011 90003de0 912c0000 (385ff261) # [ 136.098603] ---[ end trace 2c82367ade12ce5a ]--- # STACK_GUARD_PAGE_LEADING: saw 'call trace:': ok ok 12 selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh # selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh [ 136.491940] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING [ 136.498400] lkdtm: attempting bad read from page above current stack [ 136.504852] Unable to handle kernel paging request at virtual address ffff800014f0c000 [ 136.516825] Mem abort info: [ 136.519777] ESR = 0x96000007 [ 136.522871] EC = 0x25: DABT (current EL), IL = 32 bits [ 136.528217] SET = 0, FnV = 0 [ 136.531301] EA = 0, S1PTW = 0 [ 136.534469] Data abort info: [ 136.537361] ISV = 0, ISS = 0x00000007 [ 136.541225] CM = 0, WnR = 0 [ 136.544224] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081df1000 [ 136.550961] [ffff800014f0c000] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=00000008878d4003, pte=0000000000000000 [ 136.563589] Internal error: Oops: 96000007 [#4] PREEMPT SMP [ 136.569177] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 136.578655] CPU: 1 PID: 1153 Comm: cat Tainted: G D W 5.10.136-cip14 #1 [ 136.586414] Hardware name: ARM Juno development board (r0) (DT) [ 136.592348] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 136.598373] pc : lkdtm_STACK_GUARD_PAGE_TRAILING+0x3c/0x60 [ 136.603876] lr : lkdtm_STACK_GUARD_PAGE_TRAILING+0x30/0x60 [ 136.609375] sp : ffff800014f0bce0 [ 136.612696] x29: ffff800014f0bce0 x28: ffff000802a0b100 [ 136.618029] x27: 0000000000000000 x26: 0000000000000000 [ 136.623361] x25: ffff800011520830 x24: ffff800014f0be20 [ 136.628692] x23: 000000000000001a x22: ffff0008009ab000 [ 136.634023] x21: ffff800011a36060 x20: ffff8000115208f0 [ 136.639354] x19: ffff800014f0c000 x18: 0000000000000000 [ 136.644685] x17: 0000000000000000 x16: 0000000000000000 [ 136.650016] x15: 0000000000000030 x14: ffffffffffffffff [ 136.655347] x13: ffff800094f0b9c7 x12: ffff800014f0b9cf [ 136.660678] x11: 0000000000000008 x10: ffff800012628250 [ 136.666010] x9 : ffff800010132304 x8 : ffff8000125d0250 [ 136.671340] x7 : ffff800012628250 x6 : ffff8000125a1000 [ 136.676671] x5 : ffff8000125a1c88 x4 : ffff00097ef0ac50 [ 136.682001] x3 : 0000000000000000 x2 : 0000000000000000 [ 136.687332] x1 : ffff000802a0b100 x0 : ffff800011a36b78 [ 136.692663] Call trace: [ 136.695115] lkdtm_STACK_GUARD_PAGE_TRAILING+0x3c/0x60 [ 136.700269] lkdtm_do_action+0x24/0x40 [ 136.704025] direct_entry+0xd4/0x140 [ 136.707610] full_proxy_write+0x6c/0xc0 [ 136.711455] vfs_write+0xf0/0x210 [ 136.714776] ksys_write+0x74/0x100 [ 136.718184] __arm64_sys_write+0x28/0x34 [ 136.722118] el0_svc_common.constprop.0+0x84/0x1e0 [ 136.726919] do_el0_svc+0x30/0xa0 [ 136.730242] el0_svc+0x20/0x30 [ 136.733301] el0_sync_handler+0x1a4/0x1b0 [ 136.737319] el0_sync+0x180/0x1c0 [ 136.740645] Code: 97ffdffa 91401273 90003de0 912de000 (39400261) [ 136.746754] ---[ end trace 2c82367ade12ce5b ]--- # Segmentation fault # [ 136.491940] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING # [ 136.498400] lkdtm: attempting bad read from page above current stack # [ 136.504852] Unable to handle kernel paging request at virtual address ffff800014f0c000 # [ 136.516825] Mem abort info: # [ 136.519777] ESR = 0x96000007 # [ 136.522871] EC = 0x25: DABT (current EL), IL = 32 bits # [ 136.528217] SET = 0, FnV = 0 # [ 136.531301] EA = 0, S1PTW = 0 # [ 136.534469] Data abort info: # [ 136.537361] ISV = 0, ISS = 0x00000007 # [ 136.541225] CM = 0, WnR = 0 # [ 136.544224] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081df1000 # [ 136.550961] [ffff800014f0c000] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=00000008878d4003, pte=0000000000000000 # [ 136.563589] Internal error: Oops: 96000007 [#4] PREEMPT SMP # [ 136.569177] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 136.578655] CPU: 1 PID: 1153 Comm: cat Tainted: G D W 5.10.136-cip14 #1 # [ 136.586414] Hardware name: ARM Juno development board (r0) (DT) # [ 136.592348] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 136.598373] pc : lkdtm_STACK_GUARD_PAGE_TRAILING+0x3c/0x60 # [ 136.603876] lr : lkdtm_STACK_GUARD_PAGE_TRAILING+0x30/0x60 # [ 136.609375] sp : ffff800014f0bce0 # [ 136.612696] x29: ffff800014f0bce0 x28: ffff000802a0b100 # [ 136.618029] x27: 0000000000000000 x26: 0000000000000000 # [ 136.623361] x25: ffff800011520830 x24: ffff800014f0be20 # [ 136.628692] x23: 000000000000001a x22: ffff0008009ab000 # [ 136.634023] x21: ffff800011a36060 x20: ffff8000115208f0 # [ 136.639354] x19: ffff800014f0c000 x18: 0000000000000000 # [ 136.644685] x17: 0000000000000000 x16: 0000000000000000 # [ 136.650016] x15: 0000000000000030 x14: ffffffffffffffff # [ 136.655347] x13: ffff800094f0b9c7 x12: ffff800014f0b9cf # [ 136.660678] x11: 0000000000000008 x10: ffff800012628250 # [ 136.666010] x9 : ffff800010132304 x8 : ffff8000125d0250 # [ 136.671340] x7 : ffff800012628250 x6 : ffff8000125a1000 # [ 136.676671] x5 : ffff8000125a1c88 x4 : ffff00097ef0ac50 # [ 136.682001] x3 : 0000000000000000 x2 : 0000000000000000 # [ 136.687332] x1 : ffff000802a0b100 x0 : ffff800011a36b78 # [ 136.692663] Call trace: # [ 136.695115] lkdtm_STACK_GUARD_PAGE_TRAILING+0x3c/0x60 # [ 136.700269] lkdtm_do_action+0x24/0x40 # [ 136.704025] direct_entry+0xd4/0x140 # [ 136.707610] full_proxy_write+0x6c/0xc0 # [ 136.711455] vfs_write+0xf0/0x210 # [ 136.714776] ksys_write+0x74/0x100 # [ 136.718184] __arm64_sys_write+0x28/0x34 # [ 136.722118] el0_svc_common.constprop.0+0x84/0x1e0 # [ 136.726919] do_el0_svc+0x30/0xa0 # [ 136.730242] el0_svc+0x20/0x30 # [ 136.733301] el0_sync_handler+0x1a4/0x1b0 # [ 136.737319] el0_sync+0x180/0x1c0 # [ 136.740645] Code: 97ffdffa 91401273 90003de0 912de000 (39400261) # [ 136.746754] ---[ end trace 2c82367ade12ce5b ]--- # STACK_GUARD_PAGE_TRAILING: saw 'call trace:': ok ok 13 selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # selftests: lkdtm: UNSET_SMEP.sh [ 137.141093] lkdtm: Performing direct entry UNSET_SMEP [ 137.146257] lkdtm: XFAIL: this test is x86_64-only # [ 137.141093] lkdtm: Performing direct entry UNSET_SMEP # [ 137.146257] 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 [ 137.551147] lkdtm: Performing direct entry DOUBLE_FAULT [ 137.556455] lkdtm: XFAIL: this test is ia32-only # [ 137.551147] lkdtm: Performing direct entry DOUBLE_FAULT # [ 137.556455] 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 [ 137.947971] lkdtm: Performing direct entry CORRUPT_PAC [ 137.953182] lkdtm: FAIL: CPU lacks pointer authentication feature # [ 137.947971] lkdtm: Performing direct entry CORRUPT_PAC # [ 137.953182] 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 [ 138.359035] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE [ 138.365550] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS # [ 138.359035] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # [ 138.365550] 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 [ 139.197198] lkdtm: Performing direct entry READ_AFTER_FREE [ 139.202785] lkdtm: Value in memory before free: 12345678 [ 139.208186] lkdtm: Attempting bad read from freed memory [ 139.213567] lkdtm: Memory was not poisoned # [ 139.197198] lkdtm: Performing direct entry READ_AFTER_FREE # [ 139.202785] lkdtm: Value in memory before free: 12345678 # [ 139.208186] lkdtm: Attempting bad read from freed memory # [ 139.213567] 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 [ 139.827078] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE [ 139.833178] lkdtm: Value in memory before free: 12345678 [ 139.838564] lkdtm: Attempting to read from freed memory [ 139.843856] lkdtm: Buddy page was not poisoned # [ 139.827078] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE # [ 139.833178] lkdtm: Value in memory before free: 12345678 # [ 139.838564] lkdtm: Attempting to read from freed memory # [ 139.843856] 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 [ 140.231127] lkdtm: Performing direct entry SLAB_FREE_DOUBLE [ 140.236818] lkdtm: Attempting double slab free ... # [ 140.231127] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 140.236818] 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 [ 140.627024] lkdtm: Performing direct entry SLAB_FREE_CROSS [ 140.632611] lkdtm: Attempting cross-cache slab free ... # [ 140.627024] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 140.632611] 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 [ 141.034553] lkdtm: Performing direct entry SLAB_FREE_PAGE [ 141.040049] lkdtm: Attempting non-Slab slab free ... # [ 141.034553] lkdtm: Performing direct entry SLAB_FREE_PAGE # [ 141.040049] 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 [ 142.327099] lkdtm: Performing direct entry EXEC_DATA [ 142.332154] lkdtm: attempting ok execution at ffff800010a2bfa0 [ 142.338232] lkdtm: attempting bad execution at ffff8000134dd4f0 [ 142.344215] Unable to handle kernel execute from non-executable memory at virtual address ffff8000134dd4f0 [ 142.354020] Mem abort info: [ 142.356897] ESR = 0x8600000f [ 142.360141] EC = 0x21: IABT (current EL), IL = 32 bits [ 142.365966] SET = 0, FnV = 0 [ 142.369108] EA = 0, S1PTW = 0 [ 142.372293] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081df1000 [ 142.379051] [ffff8000134dd4f0] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=00000009ffffa003, pte=00780000836dd703 [ 142.391679] Internal error: Oops: 8600000f [#5] PREEMPT SMP [ 142.397267] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 142.406745] CPU: 1 PID: 1710 Comm: cat Tainted: G D W 5.10.136-cip14 #1 [ 142.414503] Hardware name: ARM Juno development board (r0) (DT) [ 142.420439] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 142.426469] pc : data_area+0x0/0x40 [ 142.429974] lr : execute_location+0x84/0xa4 [ 142.434163] sp : ffff80001598bcd0 [ 142.437483] x29: ffff80001598bcd0 x28: ffff000807821880 [ 142.442817] x27: 0000000000000000 x26: 0000000000000000 [ 142.448149] x25: ffff800011520830 x24: ffff80001598be20 [ 142.453481] x23: 000000000000000a x22: ffff000803d7a000 [ 142.458812] x21: 0000000000000001 x20: ffff800010a2bfa0 [ 142.464143] x19: ffff8000134dd4f0 x18: 0000000000000000 [ 142.469474] x17: 0000000000000000 x16: 0000000000000000 [ 142.474805] x15: 0000000000000030 x14: ffffffffffffffff [ 142.480136] x13: ffff80009598b9b7 x12: ffff80001598b9bf [ 142.485467] x11: 0000000000000008 x10: ffff800012628250 [ 142.490798] x9 : ffff800010132304 x8 : ffff8000125d0250 [ 142.496129] x7 : ffff800012628250 x6 : ffff8000125a1000 [ 142.501460] x5 : ffff8000125a1c88 x4 : ffff00097efb4c50 [ 142.506791] x3 : 0000000000000000 x2 : 0000000000000000 [ 142.512122] x1 : ffff000807821880 x0 : 0000000000000033 [ 142.517453] Call trace: [ 142.519904] data_area+0x0/0x40 [ 142.523052] lkdtm_EXEC_DATA+0x28/0x34 [ 142.526813] lkdtm_do_action+0x24/0x40 [ 142.530568] direct_entry+0xd4/0x140 [ 142.534154] full_proxy_write+0x6c/0xc0 [ 142.537998] vfs_write+0xf0/0x210 [ 142.541320] ksys_write+0x74/0x100 [ 142.544728] __arm64_sys_write+0x28/0x34 [ 142.548661] el0_svc_common.constprop.0+0x84/0x1e0 [ 142.553463] do_el0_svc+0x30/0xa0 [ 142.556786] el0_svc+0x20/0x30 [ 142.559846] el0_sync_handler+0x1a4/0x1b0 [ 142.563863] el0_sync+0x180/0x1c0 [ 142.567189] Code: 025e3800 ffff0008 025e3900 ffff0008 (d503245f) [ 142.573299] ---[ end trace 2c82367ade12ce5c ]--- # Segmentation fault # [ 142.327099] lkdtm: Performing direct entry EXEC_DATA # [ 142.332154] lkdtm: attempting ok execution at ffff800010a2bfa0 # [ 142.338232] lkdtm: attempting bad execution at ffff8000134dd4f0 # [ 142.344215] Unable to handle kernel execute from non-executable memory at virtual address ffff8000134dd4f0 # [ 142.354020] Mem abort info: # [ 142.356897] ESR = 0x8600000f # [ 142.360141] EC = 0x21: IABT (current EL), IL = 32 bits # [ 142.365966] SET = 0, FnV = 0 # [ 142.369108] EA = 0, S1PTW = 0 # [ 142.372293] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081df1000 # [ 142.379051] [ffff8000134dd4f0] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=00000009ffffa003, pte=00780000836dd703 # [ 142.391679] Internal error: Oops: 8600000f [#5] PREEMPT SMP # [ 142.397267] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 142.406745] CPU: 1 PID: 1710 Comm: cat Tainted: G D W 5.10.136-cip14 #1 # [ 142.414503] Hardware name: ARM Juno development board (r0) (DT) # [ 142.420439] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 142.426469] pc : data_area+0x0/0x40 # [ 142.429974] lr : execute_location+0x84/0xa4 # [ 142.434163] sp : ffff80001598bcd0 # [ 142.437483] x29: ffff80001598bcd0 x28: ffff000807821880 # [ 142.442817] x27: 0000000000000000 x26: 0000000000000000 # [ 142.448149] x25: ffff800011520830 x24: ffff80001598be20 # [ 142.453481] x23: 000000000000000a x22: ffff000803d7a000 # [ 142.458812] x21: 0000000000000001 x20: ffff800010a2bfa0 # [ 142.464143] x19: ffff8000134dd4f0 x18: 0000000000000000 # [ 142.469474] x17: 0000000000000000 x16: 0000000000000000 # [ 142.474805] x15: 0000000000000030 x14: ffffffffffffffff # [ 142.480136] x13: ffff80009598b9b7 x12: ffff80001598b9bf # [ 142.485467] x11: 0000000000000008 x10: ffff800012628250 # [ 142.490798] x9 : ffff800010132304 x8 : ffff8000125d0250 # [ 142.496129] x7 : ffff800012628250 x6 : ffff8000125a1000 # [ 142.501460] x5 : ffff8000125a1c88 x4 : ffff00097efb4c50 # [ 142.506791] x3 : 0000000000000000 x2 : 0000000000000000 # [ 142.512122] x1 : ffff000807821880 x0 : 0000000000000033 # [ 142.517453] Call trace: # [ 142.519904] data_area+0x0/0x40 # [ 142.523052] lkdtm_EXEC_DATA+0x28/0x34 # [ 142.526813] lkdtm_do_action+0x24/0x40 # [ 142.530568] direct_entry+0xd4/0x140 # [ 142.534154] full_proxy_write+0x6c/0xc0 # [ 142.537998] vfs_write+0xf0/0x210 # [ 142.541320] ksys_write+0x74/0x100 # [ 142.544728] __arm64_sys_write+0x28/0x34 # [ 142.548661] el0_svc_common.constprop.0+0x84/0x1e0 # [ 142.553463] do_el0_svc+0x30/0xa0 # [ 142.556786] el0_svc+0x20/0x30 # [ 142.559846] el0_sync_handler+0x1a4/0x1b0 # [ 142.563863] el0_sync+0x180/0x1c0 # [ 142.567189] Code: 025e3800 ffff0008 025e3900 ffff0008 (d503245f) # [ 142.573299] ---[ end trace 2c82367ade12ce5c ]--- # EXEC_DATA: saw 'call trace:': ok ok 30 selftests: lkdtm: EXEC_DATA.sh # selftests: lkdtm: EXEC_STACK.sh [ 142.981984] lkdtm: Performing direct entry EXEC_STACK [ 142.987149] lkdtm: attempting ok execution at ffff800010a2bfa0 [ 142.993229] lkdtm: attempting bad execution at ffff800015a53cc8 [ 142.999242] Unable to handle kernel execute from non-executable memory at virtual address ffff800015a53cc8 [ 143.009048] Mem abort info: [ 143.011997] ESR = 0x8600000f [ 143.015110] EC = 0x21: IABT (current EL), IL = 32 bits [ 143.020473] SET = 0, FnV = 0 [ 143.023580] EA = 0, S1PTW = 0 [ 143.026753] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081df1000 [ 143.033494] [ffff800015a53cc8] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=0000000886436003, pte=0068000888002703 [ 143.046159] Internal error: Oops: 8600000f [#6] PREEMPT SMP [ 143.051747] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 143.061226] CPU: 1 PID: 1752 Comm: cat Tainted: G D W 5.10.136-cip14 #1 [ 143.068987] Hardware name: ARM Juno development board (r0) (DT) [ 143.074922] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 143.080944] pc : 0xffff800015a53cc8 [ 143.084449] lr : execute_location+0x84/0xa4 [ 143.088638] sp : ffff800015a53c80 [ 143.091957] x29: ffff800015a53c80 x28: ffff0008044e9880 [ 143.097290] x27: 0000000000000000 x26: 0000000000000000 [ 143.102622] x25: ffff800011520830 x24: ffff800015a53e20 [ 143.107954] x23: 000000000000000b x22: ffff000805a9a000 [ 143.113285] x21: 0000000000000001 x20: ffff800010a2bfa0 [ 143.118616] x19: ffff800015a53cc8 x18: 0000000000000000 [ 143.123947] x17: 0000000000000000 x16: 0000000000000000 [ 143.129277] x15: 0000000000000030 x14: ffffffffffffffff [ 143.134608] x13: ffff800095a53967 x12: ffff800015a5396f [ 143.139940] x11: 0000000000000010 x10: ffff800012628250 [ 143.145271] x9 : ffff800010132304 x8 : ffff8000125d0250 [ 143.150601] x7 : ffff800012628250 x6 : ffff8000125a1000 [ 143.155932] x5 : ffff8000125a1c88 x4 : ffff00097ef92c50 [ 143.161263] x3 : 0000000000000000 x2 : 0000000000000000 [ 143.166594] x1 : ffff0008044e9880 x0 : 0000000000000033 [ 143.171925] Call trace: [ 143.174377] 0xffff800015a53cc8 [ 143.177525] lkdtm_EXEC_STACK+0x34/0x5c [ 143.181372] lkdtm_do_action+0x24/0x40 [ 143.185129] direct_entry+0xd4/0x140 [ 143.188714] full_proxy_write+0x6c/0xc0 [ 143.192559] vfs_write+0xf0/0x210 [ 143.195880] ksys_write+0x74/0x100 [ 143.199289] __arm64_sys_write+0x28/0x34 [ 143.203222] el0_svc_common.constprop.0+0x84/0x1e0 [ 143.208023] do_el0_svc+0x30/0xa0 [ 143.211346] el0_svc+0x20/0x30 [ 143.214406] el0_sync_handler+0x1a4/0x1b0 [ 143.218423] el0_sync+0x180/0x1c0 [ 143.221748] Code: 10a2aff4 ffff8000 15a53d20 ffff8000 (d503245f) [ 143.227857] ---[ end trace 2c82367ade12ce5d ]--- # Segmentation fault # [ 142.981984] lkdtm: Performing direct entry EXEC_STACK # [ 142.987149] lkdtm: attempting ok execution at ffff800010a2bfa0 # [ 142.993229] lkdtm: attempting bad execution at ffff800015a53cc8 # [ 142.999242] Unable to handle kernel execute from non-executable memory at virtual address ffff800015a53cc8 # [ 143.009048] Mem abort info: # [ 143.011997] ESR = 0x8600000f # [ 143.015110] EC = 0x21: IABT (current EL), IL = 32 bits # [ 143.020473] SET = 0, FnV = 0 # [ 143.023580] EA = 0, S1PTW = 0 # [ 143.026753] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081df1000 # [ 143.033494] [ffff800015a53cc8] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=0000000886436003, pte=0068000888002703 # [ 143.046159] Internal error: Oops: 8600000f [#6] PREEMPT SMP # [ 143.051747] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 143.061226] CPU: 1 PID: 1752 Comm: cat Tainted: G D W 5.10.136-cip14 #1 # [ 143.068987] Hardware name: ARM Juno development board (r0) (DT) # [ 143.074922] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 143.080944] pc : 0xffff800015a53cc8 # [ 143.084449] lr : execute_location+0x84/0xa4 # [ 143.088638] sp : ffff800015a53c80 # [ 143.091957] x29: ffff800015a53c80 x28: ffff0008044e9880 # [ 143.097290] x27: 0000000000000000 x26: 0000000000000000 # [ 143.102622] x25: ffff800011520830 x24: ffff800015a53e20 # [ 143.107954] x23: 000000000000000b x22: ffff000805a9a000 # [ 143.113285] x21: 0000000000000001 x20: ffff800010a2bfa0 # [ 143.118616] x19: ffff800015a53cc8 x18: 0000000000000000 # [ 143.123947] x17: 0000000000000000 x16: 0000000000000000 # [ 143.129277] x15: 0000000000000030 x14: ffffffffffffffff # [ 143.134608] x13: ffff800095a53967 x12: ffff800015a5396f # [ 143.139940] x11: 0000000000000010 x10: ffff800012628250 # [ 143.145271] x9 : ffff800010132304 x8 : ffff8000125d0250 # [ 143.150601] x7 : ffff800012628250 x6 : ffff8000125a1000 # [ 143.155932] x5 : ffff8000125a1c88 x4 : ffff00097ef92c50 # [ 143.161263] x3 : 0000000000000000 x2 : 0000000000000000 # [ 143.166594] x1 : ffff0008044e9880 x0 : 0000000000000033 # [ 143.171925] Call trace: # [ 143.174377] 0xffff800015a53cc8 # [ 143.177525] lkdtm_EXEC_STACK+0x34/0x5c # [ 143.181372] lkdtm_do_action+0x24/0x40 # [ 143.185129] direct_entry+0xd4/0x140 # [ 143.188714] full_proxy_write+0x6c/0xc0 # [ 143.192559] vfs_write+0xf0/0x210 # [ 143.195880] ksys_write+0x74/0x100 # [ 143.199289] __arm64_sys_write+0x28/0x34 # [ 143.203222] el0_svc_common.constprop.0+0x84/0x1e0 # [ 143.208023] do_el0_svc+0x30/0xa0 # [ 143.211346] el0_svc+0x20/0x30 # [ 143.214406] el0_sync_handler+0x1a4/0x1b0 # [ 143.218423] el0_sync+0x180/0x1c0 # [ 143.221748] Code: 10a2aff4 ffff8000 15a53d20 ffff8000 (d503245f) # [ 143.227857] ---[ end trace 2c82367ade12ce5d ]--- # EXEC_STACK: saw 'call trace:': ok ok 31 selftests: lkdtm: EXEC_STACK.sh # selftests: lkdtm: EXEC_KMALLOC.sh [ 143.634949] lkdtm: Performing direct entry EXEC_KMALLOC [ 143.640270] lkdtm: attempting ok execution at ffff800010a2bfa0 [ 143.646331] lkdtm: attempting bad execution at ffff0008040dfa00 [ 143.652361] Unable to handle kernel execute from non-executable memory at virtual address ffff0008040dfa00 [ 143.662469] Mem abort info: [ 143.665364] ESR = 0x8600000f [ 143.668478] EC = 0x21: IABT (current EL), IL = 32 bits [ 143.673833] SET = 0, FnV = 0 [ 143.676917] EA = 0, S1PTW = 0 [ 143.680088] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081df1000 [ 143.686824] [ffff0008040dfa00] pgd=00000009ffff9003, p4d=00000009ffff9003, pud=00000009ffc0c003, pmd=00000009ffbeb003, pte=00680008840df707 [ 143.699441] Internal error: Oops: 8600000f [#7] PREEMPT SMP [ 143.705032] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 143.714510] CPU: 2 PID: 1794 Comm: cat Tainted: G D W 5.10.136-cip14 #1 [ 143.722269] Hardware name: ARM Juno development board (r0) (DT) [ 143.728202] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 143.734224] pc : 0xffff0008040dfa00 [ 143.737728] lr : execute_location+0x84/0xa4 [ 143.741917] sp : ffff800015acbcc0 [ 143.745237] x29: ffff800015acbcc0 x28: ffff000806733100 [ 143.750570] x27: 0000000000000000 x26: 0000000000000000 [ 143.755902] x25: ffff800011520830 x24: ffff800015acbe20 [ 143.761233] x23: 000000000000000d x22: ffff00080310a000 [ 143.766564] x21: 0000000000000001 x20: ffff800010a2bfa0 [ 143.771895] x19: ffff0008040dfa00 x18: 0000000000000000 [ 143.777225] x17: 0000000000000000 x16: 0000000000000000 [ 143.782555] x15: 0000000000000030 x14: ffffffffffffffff [ 143.787886] x13: ffff800095acb9a7 x12: ffff800015acb9af [ 143.793217] x11: 0000000000000020 x10: ffff800012628250 [ 143.798548] x9 : ffff800010132304 x8 : ffff8000125d0250 [ 143.803879] x7 : ffff800012628250 x6 : ffff8000125a1000 [ 143.809209] x5 : ffff8000125a1c88 x4 : ffff00097efb4c50 [ 143.814540] x3 : 0000000000000000 x2 : 0000000000000000 [ 143.819871] x1 : ffff000806733100 x0 : 0000000000000033 [ 143.825201] Call trace: [ 143.827653] 0xffff0008040dfa00 [ 143.830802] lkdtm_EXEC_KMALLOC+0x38/0x50 [ 143.834822] lkdtm_do_action+0x24/0x40 [ 143.838578] direct_entry+0xd4/0x140 [ 143.842164] full_proxy_write+0x6c/0xc0 [ 143.846009] vfs_write+0xf0/0x210 [ 143.849330] ksys_write+0x74/0x100 [ 143.852738] __arm64_sys_write+0x28/0x34 [ 143.856672] el0_svc_common.constprop.0+0x84/0x1e0 [ 143.861473] do_el0_svc+0x30/0xa0 [ 143.864796] el0_svc+0x20/0x30 [ 143.867856] el0_sync_handler+0x1a4/0x1b0 [ 143.871873] el0_sync+0x180/0x1c0 [ 143.875198] Code: 00000000 00000000 00000000 00000000 (d503245f) [ 143.881308] ---[ end trace 2c82367ade12ce5e ]--- # Segmentation fault # [ 143.634949] lkdtm: Performing direct entry EXEC_KMALLOC # [ 143.640270] lkdtm: attempting ok execution at ffff800010a2bfa0 # [ 143.646331] lkdtm: attempting bad execution at ffff0008040dfa00 # [ 143.652361] Unable to handle kernel execute from non-executable memory at virtual address ffff0008040dfa00 # [ 143.662469] Mem abort info: # [ 143.665364] ESR = 0x8600000f # [ 143.668478] EC = 0x21: IABT (current EL), IL = 32 bits # [ 143.673833] SET = 0, FnV = 0 # [ 143.676917] EA = 0, S1PTW = 0 # [ 143.680088] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081df1000 # [ 143.686824] [ffff0008040dfa00] pgd=00000009ffff9003, p4d=00000009ffff9003, pud=00000009ffc0c003, pmd=00000009ffbeb003, pte=00680008840df707 # [ 143.699441] Internal error: Oops: 8600000f [#7] PREEMPT SMP # [ 143.705032] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 143.714510] CPU: 2 PID: 1794 Comm: cat Tainted: G D W 5.10.136-cip14 #1 # [ 143.722269] Hardware name: ARM Juno development board (r0) (DT) # [ 143.728202] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 143.734224] pc : 0xffff0008040dfa00 # [ 143.737728] lr : execute_location+0x84/0xa4 # [ 143.741917] sp : ffff800015acbcc0 # [ 143.745237] x29: ffff800015acbcc0 x28: ffff000806733100 # [ 143.750570] x27: 0000000000000000 x26: 0000000000000000 # [ 143.755902] x25: ffff800011520830 x24: ffff800015acbe20 # [ 143.761233] x23: 000000000000000d x22: ffff00080310a000 # [ 143.766564] x21: 0000000000000001 x20: ffff800010a2bfa0 # [ 143.771895] x19: ffff0008040dfa00 x18: 0000000000000000 # [ 143.777225] x17: 0000000000000000 x16: 0000000000000000 # [ 143.782555] x15: 0000000000000030 x14: ffffffffffffffff # [ 143.787886] x13: ffff800095acb9a7 x12: ffff800015acb9af # [ 143.793217] x11: 0000000000000020 x10: ffff800012628250 # [ 143.798548] x9 : ffff800010132304 x8 : ffff8000125d0250 # [ 143.803879] x7 : ffff800012628250 x6 : ffff8000125a1000 # [ 143.809209] x5 : ffff8000125a1c88 x4 : ffff00097efb4c50 # [ 143.814540] x3 : 0000000000000000 x2 : 0000000000000000 # [ 143.819871] x1 : ffff000806733100 x0 : 0000000000000033 # [ 143.825201] Call trace: # [ 143.827653] 0xffff0008040dfa00 # [ 143.830802] lkdtm_EXEC_KMALLOC+0x38/0x50 # [ 143.834822] lkdtm_do_action+0x24/0x40 # [ 143.838578] direct_entry+0xd4/0x140 # [ 143.842164] full_proxy_write+0x6c/0xc0 # [ 143.846009] vfs_write+0xf0/0x210 # [ 143.849330] ksys_write+0x74/0x100 # [ 143.852738] __arm64_sys_write+0x28/0x34 # [ 143.856672] el0_svc_common.constprop.0+0x84/0x1e0 # [ 143.861473] do_el0_svc+0x30/0xa0 # [ 143.864796] el0_svc+0x20/0x30 # [ 143.867856] el0_sync_handler+0x1a4/0x1b0 # [ 143.871873] el0_sync+0x180/0x1c0 # [ 143.875198] Code: 00000000 00000000 00000000 00000000 (d503245f) # [ 143.881308] ---[ end trace 2c82367ade12ce5e ]--- # EXEC_KMALLOC: saw 'call trace:': ok ok 32 selftests: lkdtm: EXEC_KMALLOC.sh # selftests: lkdtm: EXEC_VMALLOC.sh [ 144.317085] lkdtm: Performing direct entry EXEC_VMALLOC [ 144.322443] lkdtm: attempting ok execution at ffff800010a2bfa0 [ 144.328654] lkdtm: attempting bad execution at ffff800013b17000 [ 144.334686] Unable to handle kernel execute from non-executable memory at virtual address ffff800013b17000 [ 144.346411] Mem abort info: [ 144.349221] ESR = 0x8600000f [ 144.352396] EC = 0x21: IABT (current EL), IL = 32 bits [ 144.357751] SET = 0, FnV = 0 [ 144.360845] EA = 0, S1PTW = 0 [ 144.364020] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081df1000 [ 144.370761] [ffff800013b17000] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=00000008809f0003, pte=00680008857d3703 [ 144.383382] Internal error: Oops: 8600000f [#8] PREEMPT SMP [ 144.388969] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 144.398445] CPU: 1 PID: 1836 Comm: cat Tainted: G D W 5.10.136-cip14 #1 [ 144.406203] Hardware name: ARM Juno development board (r0) (DT) [ 144.412140] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 144.418166] pc : 0xffff800013b17000 [ 144.421668] lr : execute_location+0x84/0xa4 [ 144.425860] sp : ffff800015b83cc0 [ 144.429180] x29: ffff800015b83cc0 x28: ffff000804fdb100 [ 144.434513] x27: 0000000000000000 x26: 0000000000000000 [ 144.439845] x25: ffff800011520830 x24: ffff800015b83e20 [ 144.445176] x23: 000000000000000d x22: ffff0008057d3000 [ 144.450507] x21: 0000000000000001 x20: ffff800010a2bfa0 [ 144.455838] x19: ffff800013b17000 x18: 0000000000000000 [ 144.461169] x17: 0000000000000000 x16: 0000000000000000 [ 144.466501] x15: 0000000000000030 x14: ffffffffffffffff [ 144.471832] x13: ffff800095b839a7 x12: ffff800015b839af [ 144.477163] x11: ffff0008040896c0 x10: ffff800012628250 [ 144.482494] x9 : ffff800010132304 x8 : ffff8000125d0250 [ 144.487824] x7 : ffff800012628250 x6 : ffff8000125a1000 [ 144.493156] x5 : ffff8000125a1c88 x4 : ffff00097ef0ac50 [ 144.498487] x3 : 0000000000000000 x2 : 0000000000000000 [ 144.503818] x1 : ffff000804fdb100 x0 : 0000000000000033 [ 144.509149] Call trace: [ 144.511601] 0xffff800013b17000 [ 144.514752] lkdtm_EXEC_VMALLOC+0x30/0x50 [ 144.518772] lkdtm_do_action+0x24/0x40 [ 144.522528] direct_entry+0xd4/0x140 [ 144.526114] full_proxy_write+0x6c/0xc0 [ 144.529959] vfs_write+0xf0/0x210 [ 144.533281] ksys_write+0x74/0x100 [ 144.536689] __arm64_sys_write+0x28/0x34 [ 144.540622] el0_svc_common.constprop.0+0x84/0x1e0 [ 144.545425] do_el0_svc+0x30/0xa0 [ 144.548748] el0_svc+0x20/0x30 [ 144.551807] el0_sync_handler+0x1a4/0x1b0 [ 144.555826] el0_sync+0x180/0x1c0 [ 144.559152] Code: bad PC value [ 144.562216] ---[ end trace 2c82367ade12ce5f ]--- # Segmentation fault # [ 144.317085] lkdtm: Performing direct entry EXEC_VMALLOC # [ 144.322443] lkdtm: attempting ok execution at ffff800010a2bfa0 # [ 144.328654] lkdtm: attempting bad execution at ffff800013b17000 # [ 144.334686] Unable to handle kernel execute from non-executable memory at virtual address ffff800013b17000 # [ 144.346411] Mem abort info: # [ 144.349221] ESR = 0x8600000f # [ 144.352396] EC = 0x21: IABT (current EL), IL = 32 bits # [ 144.357751] SET = 0, FnV = 0 # [ 144.360845] EA = 0, S1PTW = 0 # [ 144.364020] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081df1000 # [ 144.370761] [ffff800013b17000] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=00000008809f0003, pte=00680008857d3703 # [ 144.383382] Internal error: Oops: 8600000f [#8] PREEMPT SMP # [ 144.388969] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 144.398445] CPU: 1 PID: 1836 Comm: cat Tainted: G D W 5.10.136-cip14 #1 # [ 144.406203] Hardware name: ARM Juno development board (r0) (DT) # [ 144.412140] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 144.418166] pc : 0xffff800013b17000 # [ 144.421668] lr : execute_location+0x84/0xa4 # [ 144.425860] sp : ffff800015b83cc0 # [ 144.429180] x29: ffff800015b83cc0 x28: ffff000804fdb100 # [ 144.434513] x27: 0000000000000000 x26: 0000000000000000 # [ 144.439845] x25: ffff800011520830 x24: ffff800015b83e20 # [ 144.445176] x23: 000000000000000d x22: ffff0008057d3000 # [ 144.450507] x21: 0000000000000001 x20: ffff800010a2bfa0 # [ 144.455838] x19: ffff800013b17000 x18: 0000000000000000 # [ 144.461169] x17: 0000000000000000 x16: 0000000000000000 # [ 144.466501] x15: 0000000000000030 x14: ffffffffffffffff # [ 144.471832] x13: ffff800095b839a7 x12: ffff800015b839af # [ 144.477163] x11: ffff0008040896c0 x10: ffff800012628250 # [ 144.482494] x9 : ffff800010132304 x8 : ffff8000125d0250 # [ 144.487824] x7 : ffff800012628250 x6 : ffff8000125a1000 # [ 144.493156] x5 : ffff8000125a1c88 x4 : ffff00097ef0ac50 # [ 144.498487] x3 : 0000000000000000 x2 : 0000000000000000 # [ 144.503818] x1 : ffff000804fdb100 x0 : 0000000000000033 # [ 144.509149] Call trace: # [ 144.511601] 0xffff800013b17000 # [ 144.514752] lkdtm_EXEC_VMALLOC+0x30/0x50 # [ 144.518772] lkdtm_do_action+0x24/0x40 # [ 144.522528] direct_entry+0xd4/0x140 # [ 144.526114] full_proxy_write+0x6c/0xc0 # [ 144.529959] vfs_write+0xf0/0x210 # [ 144.533281] ksys_write+0x74/0x100 # [ 144.536689] __arm64_sys_write+0x28/0x34 # [ 144.540622] el0_svc_common.constprop.0+0x84/0x1e0 # [ 144.545425] do_el0_svc+0x30/0xa0 # [ 144.548748] el0_svc+0x20/0x30 # [ 144.551807] el0_sync_handler+0x1a4/0x1b0 # [ 144.555826] el0_sync+0x180/0x1c0 # [ 144.559152] Code: bad PC value # [ 144.562216] ---[ end trace 2c82367ade12ce5f ]--- # EXEC_VMALLOC: saw 'call trace:': ok ok 33 selftests: lkdtm: EXEC_VMALLOC.sh # selftests: lkdtm: EXEC_RODATA.sh [ 144.967063] lkdtm: Performing direct entry EXEC_RODATA [ 144.972285] lkdtm: attempting ok execution at ffff800010a2bfa0 [ 144.978210] lkdtm: attempting bad execution at ffff800011520d30 [ 144.984208] Unable to handle kernel execute from non-executable memory at virtual address ffff800011520d30 [ 144.994014] Mem abort info: [ 144.996905] ESR = 0x8600000e [ 145.000238] EC = 0x21: IABT (current EL), IL = 32 bits [ 145.005613] SET = 0, FnV = 0 [ 145.008703] EA = 0, S1PTW = 0 [ 145.011877] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081df1000 [ 145.018612] [ffff800011520d30] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=0060000081600781 [ 145.029324] Internal error: Oops: 8600000e [#9] PREEMPT SMP [ 145.034912] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 145.044392] CPU: 2 PID: 1878 Comm: cat Tainted: G D W 5.10.136-cip14 #1 [ 145.052157] Hardware name: ARM Juno development board (r0) (DT) [ 145.058096] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 145.064123] pc : lkdtm_rodata_do_nothing+0x0/0x10 [ 145.068841] lr : execute_location+0x84/0xa4 [ 145.073034] sp : ffff800015c5bcd0 [ 145.076354] x29: ffff800015c5bcd0 x28: ffff0008028d0000 [ 145.081688] x27: 0000000000000000 x26: 0000000000000000 [ 145.087020] x25: ffff800011520830 x24: ffff800015c5be20 [ 145.092351] x23: 000000000000000c x22: ffff0008057dd000 [ 145.097683] x21: 0000000000000000 x20: ffff800010a2bfa0 [ 145.103014] x19: ffff800011520d30 x18: 0000000000000000 [ 145.108344] x17: 0000000000000000 x16: 0000000000000000 [ 145.113675] x15: 0000000000000030 x14: ffffffffffffffff [ 145.119007] x13: ffff800095c5b9b7 x12: ffff800015c5b9bf [ 145.124338] x11: 0000000000000018 x10: ffff800012628250 [ 145.129669] x9 : ffff800010132304 x8 : ffff8000125d0250 [ 145.135000] x7 : ffff800012628250 x6 : ffff8000125a1000 [ 145.140331] x5 : ffff8000125a1c88 x4 : ffff00097ef92c50 [ 145.145661] x3 : 0000000000000000 x2 : 0000000000000000 [ 145.150992] x1 : ffff0008028d0000 x0 : 0000000000000033 [ 145.156323] Call trace: [ 145.158776] lkdtm_rodata_do_nothing+0x0/0x10 [ 145.163142] lkdtm_EXEC_RODATA+0x28/0x34 [ 145.167076] lkdtm_do_action+0x24/0x40 [ 145.170833] direct_entry+0xd4/0x140 [ 145.174419] full_proxy_write+0x6c/0xc0 [ 145.178264] vfs_write+0xf0/0x210 [ 145.181585] ksys_write+0x74/0x100 [ 145.184993] __arm64_sys_write+0x28/0x34 [ 145.188927] el0_svc_common.constprop.0+0x84/0x1e0 [ 145.193728] do_el0_svc+0x30/0xa0 [ 145.197051] el0_svc+0x20/0x30 [ 145.200111] el0_sync_handler+0x1a4/0x1b0 [ 145.204129] el0_sync+0x180/0x1c0 [ 145.207454] Code: aa55aa55 00000000 00000000 00000000 (d503233f) [ 145.213563] ---[ end trace 2c82367ade12ce60 ]--- # Segmentation fault # [ 144.967063] lkdtm: Performing direct entry EXEC_RODATA # [ 144.972285] lkdtm: attempting ok execution at ffff800010a2bfa0 # [ 144.978210] lkdtm: attempting bad execution at ffff800011520d30 # [ 144.984208] Unable to handle kernel execute from non-executable memory at virtual address ffff800011520d30 # [ 144.994014] Mem abort info: # [ 144.996905] ESR = 0x8600000e # [ 145.000238] EC = 0x21: IABT (current EL), IL = 32 bits # [ 145.005613] SET = 0, FnV = 0 # [ 145.008703] EA = 0, S1PTW = 0 # [ 145.011877] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081df1000 # [ 145.018612] [ffff800011520d30] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=0060000081600781 # [ 145.029324] Internal error: Oops: 8600000e [#9] PREEMPT SMP # [ 145.034912] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 145.044392] CPU: 2 PID: 1878 Comm: cat Tainted: G D W 5.10.136-cip14 #1 # [ 145.052157] Hardware name: ARM Juno development board (r0) (DT) # [ 145.058096] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 145.064123] pc : lkdtm_rodata_do_nothing+0x0/0x10 # [ 145.068841] lr : execute_location+0x84/0xa4 # [ 145.073034] sp : ffff800015c5bcd0 # [ 145.076354] x29: ffff800015c5bcd0 x28: ffff0008028d0000 # [ 145.081688] x27: 0000000000000000 x26: 0000000000000000 # [ 145.087020] x25: ffff800011520830 x24: ffff800015c5be20 # [ 145.092351] x23: 000000000000000c x22: ffff0008057dd000 # [ 145.097683] x21: 0000000000000000 x20: ffff800010a2bfa0 # [ 145.103014] x19: ffff800011520d30 x18: 0000000000000000 # [ 145.108344] x17: 0000000000000000 x16: 0000000000000000 # [ 145.113675] x15: 0000000000000030 x14: ffffffffffffffff # [ 145.119007] x13: ffff800095c5b9b7 x12: ffff800015c5b9bf # [ 145.124338] x11: 0000000000000018 x10: ffff800012628250 # [ 145.129669] x9 : ffff800010132304 x8 : ffff8000125d0250 # [ 145.135000] x7 : ffff800012628250 x6 : ffff8000125a1000 # [ 145.140331] x5 : ffff8000125a1c88 x4 : ffff00097ef92c50 # [ 145.145661] x3 : 0000000000000000 x2 : 0000000000000000 # [ 145.150992] x1 : ffff0008028d0000 x0 : 0000000000000033 # [ 145.156323] Call trace: # [ 145.158776] lkdtm_rodata_do_nothing+0x0/0x10 # [ 145.163142] lkdtm_EXEC_RODATA+0x28/0x34 # [ 145.167076] lkdtm_do_action+0x24/0x40 # [ 145.170833] direct_entry+0xd4/0x140 # [ 145.174419] full_proxy_write+0x6c/0xc0 # [ 145.178264] vfs_write+0xf0/0x210 # [ 145.181585] ksys_write+0x74/0x100 # [ 145.184993] __arm64_sys_write+0x28/0x34 # [ 145.188927] el0_svc_common.constprop.0+0x84/0x1e0 # [ 145.193728] do_el0_svc+0x30/0xa0 # [ 145.197051] el0_svc+0x20/0x30 # [ 145.200111] el0_sync_handler+0x1a4/0x1b0 # [ 145.204129] el0_sync+0x180/0x1c0 # [ 145.207454] Code: aa55aa55 00000000 00000000 00000000 (d503233f) # [ 145.213563] ---[ end trace 2c82367ade12ce60 ]--- # EXEC_RODATA: saw 'call trace:': ok ok 34 selftests: lkdtm: EXEC_RODATA.sh # selftests: lkdtm: EXEC_USERSPACE.sh [ 145.620865] lkdtm: Performing direct entry EXEC_USERSPACE [ 145.626414] lkdtm: attempting ok execution at ffff800010a2bfa0 [ 145.632530] lkdtm: attempting bad execution at 0000ffffb38f4000 [ 145.638530] Unable to handle kernel execution of user memory at virtual address 0000ffffb38f4000 [ 145.647460] Mem abort info: [ 145.650396] ESR = 0x8600000f [ 145.653472] EC = 0x21: IABT (current EL), IL = 32 bits [ 145.658855] SET = 0, FnV = 0 [ 145.661925] EA = 0, S1PTW = 0 [ 145.665104] user pgtable: 4k pages, 48-bit VAs, pgdp=00000008857d5000 [ 145.671590] [0000ffffb38f4000] pgd=0000000882aa9003, p4d=0000000882aa9003, pud=000000088801c003, pmd=00000008857dd003, pte=00a800088d0f2f43 [ 145.684231] Internal error: Oops: 8600000f [#10] PREEMPT SMP [ 145.689906] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 145.699384] CPU: 2 PID: 1920 Comm: cat Tainted: G D W 5.10.136-cip14 #1 [ 145.707146] Hardware name: ARM Juno development board (r0) (DT) [ 145.713082] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 145.719111] pc : 0xffffb38f4000 [ 145.722266] lr : lkdtm_EXEC_USERSPACE+0xe4/0xf4 [ 145.726803] sp : ffff800015d13cf0 [ 145.730123] x29: ffff800015d13cf0 x28: ffff000806736200 [ 145.735455] x27: 0000000000000000 x26: 0000000000000000 [ 145.740788] x25: ffff800011520830 x24: ffff800015d13e20 [ 145.746119] x23: 000000000000000f x22: ffff00080354a000 [ 145.751450] x21: ffff800011a36230 x20: ffff800010a2bfa0 [ 145.756781] x19: 0000ffffb38f4000 x18: 0000000000000000 [ 145.762112] x17: 0000000000000000 x16: 0000000000000000 [ 145.767442] x15: 0000000000000030 x14: ffffffffffffffff [ 145.772774] x13: ffff800095d139d7 x12: ffff800015d139df [ 145.778104] x11: aa1e03e9d503245f x10: ffff800012628250 [ 145.783435] x9 : ffff800010132304 x8 : ffff8000125d0250 [ 145.788766] x7 : ffff800012628250 x6 : ffff8000125a1000 [ 145.794097] x5 : ffff8000125a1c88 x4 : ffff00097efb4c50 [ 145.799428] x3 : 0000000000000000 x2 : 0000000000000000 [ 145.804759] x1 : ffff000806736200 x0 : 0000000000000033 [ 145.810090] Call trace: [ 145.812542] 0xffffb38f4000 [ 145.815345] lkdtm_do_action+0x24/0x40 [ 145.819101] direct_entry+0xd4/0x140 [ 145.822687] full_proxy_write+0x6c/0xc0 [ 145.826532] vfs_write+0xf0/0x210 [ 145.829854] ksys_write+0x74/0x100 [ 145.833262] __arm64_sys_write+0x28/0x34 [ 145.837195] el0_svc_common.constprop.0+0x84/0x1e0 [ 145.841997] do_el0_svc+0x30/0xa0 [ 145.845321] el0_svc+0x20/0x30 [ 145.848380] el0_sync_handler+0x1a4/0x1b0 [ 145.852397] el0_sync+0x180/0x1c0 [ 145.855723] Code: bad PC value [ 145.858787] ---[ end trace 2c82367ade12ce61 ]--- # Segmentation fault # [ 145.620865] lkdtm: Performing direct entry EXEC_USERSPACE # [ 145.626414] lkdtm: attempting ok execution at ffff800010a2bfa0 # [ 145.632530] lkdtm: attempting bad execution at 0000ffffb38f4000 # [ 145.638530] Unable to handle kernel execution of user memory at virtual address 0000ffffb38f4000 # [ 145.647460] Mem abort info: # [ 145.650396] ESR = 0x8600000f # [ 145.653472] EC = 0x21: IABT (current EL), IL = 32 bits # [ 145.658855] SET = 0, FnV = 0 # [ 145.661925] EA = 0, S1PTW = 0 # [ 145.665104] user pgtable: 4k pages, 48-bit VAs, pgdp=00000008857d5000 # [ 145.671590] [0000ffffb38f4000] pgd=0000000882aa9003, p4d=0000000882aa9003, pud=000000088801c003, pmd=00000008857dd003, pte=00a800088d0f2f43 # [ 145.684231] Internal error: Oops: 8600000f [#10] PREEMPT SMP # [ 145.689906] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 145.699384] CPU: 2 PID: 1920 Comm: cat Tainted: G D W 5.10.136-cip14 #1 # [ 145.707146] Hardware name: ARM Juno development board (r0) (DT) # [ 145.713082] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 145.719111] pc : 0xffffb38f4000 # [ 145.722266] lr : lkdtm_EXEC_USERSPACE+0xe4/0xf4 # [ 145.726803] sp : ffff800015d13cf0 # [ 145.730123] x29: ffff800015d13cf0 x28: ffff000806736200 # [ 145.735455] x27: 0000000000000000 x26: 0000000000000000 # [ 145.740788] x25: ffff800011520830 x24: ffff800015d13e20 # [ 145.746119] x23: 000000000000000f x22: ffff00080354a000 # [ 145.751450] x21: ffff800011a36230 x20: ffff800010a2bfa0 # [ 145.756781] x19: 0000ffffb38f4000 x18: 0000000000000000 # [ 145.762112] x17: 0000000000000000 x16: 0000000000000000 # [ 145.767442] x15: 0000000000000030 x14: ffffffffffffffff # [ 145.772774] x13: ffff800095d139d7 x12: ffff800015d139df # [ 145.778104] x11: aa1e03e9d503245f x10: ffff800012628250 # [ 145.783435] x9 : ffff800010132304 x8 : ffff8000125d0250 # [ 145.788766] x7 : ffff800012628250 x6 : ffff8000125a1000 # [ 145.794097] x5 : ffff8000125a1c88 x4 : ffff00097efb4c50 # [ 145.799428] x3 : 0000000000000000 x2 : 0000000000000000 # [ 145.804759] x1 : ffff000806736200 x0 : 0000000000000033 # [ 145.810090] Call trace: # [ 145.812542] 0xffffb38f4000 # [ 145.815345] lkdtm_do_action+0x24/0x40 # [ 145.819101] direct_entry+0xd4/0x140 # [ 145.822687] full_proxy_write+0x6c/0xc0 # [ 145.826532] vfs_write+0xf0/0x210 # [ 145.829854] ksys_write+0x74/0x100 # [ 145.833262] __arm64_sys_write+0x28/0x34 # [ 145.837195] el0_svc_common.constprop.0+0x84/0x1e0 # [ 145.841997] do_el0_svc+0x30/0xa0 # [ 145.845321] el0_svc+0x20/0x30 # [ 145.848380] el0_sync_handler+0x1a4/0x1b0 # [ 145.852397] el0_sync+0x180/0x1c0 # [ 145.855723] Code: bad PC value # [ 145.858787] ---[ end trace 2c82367ade12ce61 ]--- # EXEC_USERSPACE: saw 'call trace:': ok ok 35 selftests: lkdtm: EXEC_USERSPACE.sh # selftests: lkdtm: EXEC_NULL.sh [ 146.265992] lkdtm: Performing direct entry EXEC_NULL [ 146.271062] lkdtm: attempting ok execution at ffff800010a2bfa0 [ 146.276998] lkdtm: attempting bad execution at 0000000000000000 [ 146.283000] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000 [ 146.291932] Mem abort info: [ 146.294817] ESR = 0x86000004 [ 146.298061] EC = 0x21: IABT (current EL), IL = 32 bits [ 146.303435] SET = 0, FnV = 0 [ 146.306520] EA = 0, S1PTW = 0 [ 146.309675] user pgtable: 4k pages, 48-bit VAs, pgdp=0000000884fe7000 [ 146.316149] [0000000000000000] pgd=0000000000000000, p4d=0000000000000000 [ 146.322993] Internal error: Oops: 86000004 [#11] PREEMPT SMP [ 146.328666] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 146.338141] CPU: 2 PID: 1962 Comm: cat Tainted: G D W 5.10.136-cip14 #1 [ 146.345903] Hardware name: ARM Juno development board (r0) (DT) [ 146.351841] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 146.357863] pc : 0x0 [ 146.360059] lr : execute_location+0x84/0xa4 [ 146.364254] sp : ffff800015da3cd0 [ 146.367579] x29: ffff800015da3cd0 x28: ffff000806730000 [ 146.372914] x27: 0000000000000000 x26: 0000000000000000 [ 146.378246] x25: ffff800011520830 x24: ffff800015da3e20 [ 146.383578] x23: 000000000000000a x22: ffff000804252000 [ 146.388909] x21: 0000000000000000 x20: ffff800010a2bfa0 [ 146.394239] x19: 0000000000000000 x18: 0000000000000000 [ 146.399570] x17: 0000000000000000 x16: 0000000000000000 [ 146.404902] x15: 0000000000000030 x14: ffffffffffffffff [ 146.410233] x13: ffff800095da39b7 x12: ffff800015da39bf [ 146.415565] x11: 0000000000000008 x10: ffff800012628250 [ 146.420896] x9 : ffff800010132304 x8 : ffff8000125d0250 [ 146.426227] x7 : ffff800012628250 x6 : ffff8000125a1000 [ 146.431558] x5 : ffff8000125a1c88 x4 : ffff00097ef70c50 [ 146.436889] x3 : 0000000000000000 x2 : 0000000000000000 [ 146.442220] x1 : ffff000806730000 x0 : 0000000000000033 [ 146.447551] Call trace: [ 146.450002] 0x0 [ 146.451845] lkdtm_EXEC_NULL+0x24/0x30 [ 146.455606] lkdtm_do_action+0x24/0x40 [ 146.459362] direct_entry+0xd4/0x140 [ 146.462948] full_proxy_write+0x6c/0xc0 [ 146.466793] vfs_write+0xf0/0x210 [ 146.470115] ksys_write+0x74/0x100 [ 146.473523] __arm64_sys_write+0x28/0x34 [ 146.477457] el0_svc_common.constprop.0+0x84/0x1e0 [ 146.482259] do_el0_svc+0x30/0xa0 [ 146.485581] el0_svc+0x20/0x30 [ 146.488641] el0_sync_handler+0x1a4/0x1b0 [ 146.492658] el0_sync+0x180/0x1c0 [ 146.495984] Code: bad PC value [ 146.499048] ---[ end trace 2c82367ade12ce62 ]--- # Segmentation fault # [ 146.265992] lkdtm: Performing direct entry EXEC_NULL # [ 146.271062] lkdtm: attempting ok execution at ffff800010a2bfa0 # [ 146.276998] lkdtm: attempting bad execution at 0000000000000000 # [ 146.283000] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000 # [ 146.291932] Mem abort info: # [ 146.294817] ESR = 0x86000004 # [ 146.298061] EC = 0x21: IABT (current EL), IL = 32 bits # [ 146.303435] SET = 0, FnV = 0 # [ 146.306520] EA = 0, S1PTW = 0 # [ 146.309675] user pgtable: 4k pages, 48-bit VAs, pgdp=0000000884fe7000 # [ 146.316149] [0000000000000000] pgd=0000000000000000, p4d=0000000000000000 # [ 146.322993] Internal error: Oops: 86000004 [#11] PREEMPT SMP # [ 146.328666] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 146.338141] CPU: 2 PID: 1962 Comm: cat Tainted: G D W 5.10.136-cip14 #1 # [ 146.345903] Hardware name: ARM Juno development board (r0) (DT) # [ 146.351841] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 146.357863] pc : 0x0 # [ 146.360059] lr : execute_location+0x84/0xa4 # [ 146.364254] sp : ffff800015da3cd0 # [ 146.367579] x29: ffff800015da3cd0 x28: ffff000806730000 # [ 146.372914] x27: 0000000000000000 x26: 0000000000000000 # [ 146.378246] x25: ffff800011520830 x24: ffff800015da3e20 # [ 146.383578] x23: 000000000000000a x22: ffff000804252000 # [ 146.388909] x21: 0000000000000000 x20: ffff800010a2bfa0 # [ 146.394239] x19: 0000000000000000 x18: 0000000000000000 # [ 146.399570] x17: 0000000000000000 x16: 0000000000000000 # [ 146.404902] x15: 0000000000000030 x14: ffffffffffffffff # [ 146.410233] x13: ffff800095da39b7 x12: ffff800015da39bf # [ 146.415565] x11: 0000000000000008 x10: ffff800012628250 # [ 146.420896] x9 : ffff800010132304 x8 : ffff8000125d0250 # [ 146.426227] x7 : ffff800012628250 x6 : ffff8000125a1000 # [ 146.431558] x5 : ffff8000125a1c88 x4 : ffff00097ef70c50 # [ 146.436889] x3 : 0000000000000000 x2 : 0000000000000000 # [ 146.442220] x1 : ffff000806730000 x0 : 0000000000000033 # [ 146.447551] Call trace: # [ 146.450002] 0x0 # [ 146.451845] lkdtm_EXEC_NULL+0x24/0x30 # [ 146.455606] lkdtm_do_action+0x24/0x40 # [ 146.459362] direct_entry+0xd4/0x140 # [ 146.462948] full_proxy_write+0x6c/0xc0 # [ 146.466793] vfs_write+0xf0/0x210 # [ 146.470115] ksys_write+0x74/0x100 # [ 146.473523] __arm64_sys_write+0x28/0x34 # [ 146.477457] el0_svc_common.constprop.0+0x84/0x1e0 # [ 146.482259] do_el0_svc+0x30/0xa0 # [ 146.485581] el0_svc+0x20/0x30 # [ 146.488641] el0_sync_handler+0x1a4/0x1b0 # [ 146.492658] el0_sync+0x180/0x1c0 # [ 146.495984] Code: bad PC value # [ 146.499048] ---[ end trace 2c82367ade12ce62 ]--- # EXEC_NULL: saw 'call trace:': ok ok 36 selftests: lkdtm: EXEC_NULL.sh # selftests: lkdtm: ACCESS_USERSPACE.sh [ 146.925205] lkdtm: Performing direct entry ACCESS_USERSPACE [ 146.930955] lkdtm: attempting bad read at 0000ffff7fe60000 [ 146.936744] lkdtm: FAIL: survived bad read [ 146.940926] lkdtm: attempting bad write at 0000ffff7fe60000 [ 146.946722] lkdtm: FAIL: survived bad write # [ 146.925205] lkdtm: Performing direct entry ACCESS_USERSPACE # [ 146.930955] lkdtm: attempting bad read at 0000ffff7fe60000 # [ 146.936744] lkdtm: FAIL: survived bad read # [ 146.940926] lkdtm: attempting bad write at 0000ffff7fe60000 # [ 146.946722] 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 [ 147.371217] lkdtm: Performing direct entry ACCESS_NULL [ 147.376433] lkdtm: attempting bad read at 0000000000000000 [ 147.382020] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000 [ 147.390950] Mem abort info: [ 147.393770] ESR = 0x96000004 [ 147.396905] EC = 0x25: DABT (current EL), IL = 32 bits [ 147.402433] SET = 0, FnV = 0 [ 147.405510] EA = 0, S1PTW = 0 [ 147.408733] Data abort info: [ 147.411943] ISV = 0, ISS = 0x00000004 [ 147.415849] CM = 0, WnR = 0 [ 147.418900] user pgtable: 4k pages, 48-bit VAs, pgdp=00000008850e3000 [ 147.425381] [0000000000000000] pgd=0000000000000000, p4d=0000000000000000 [ 147.432230] Internal error: Oops: 96000004 [#12] PREEMPT SMP [ 147.437907] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 147.447384] CPU: 2 PID: 2038 Comm: cat Tainted: G D W 5.10.136-cip14 #1 [ 147.455150] Hardware name: ARM Juno development board (r0) (DT) [ 147.461092] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 147.467123] pc : lkdtm_ACCESS_NULL+0x38/0x7c [ 147.471407] lr : lkdtm_ACCESS_NULL+0x30/0x7c [ 147.475691] sp : ffff800015f2bcf0 [ 147.479016] x29: ffff800015f2bcf0 x28: ffff000807be0000 [ 147.484354] x27: 0000000000000000 x26: 0000000000000000 [ 147.489687] x25: ffff800011520830 x24: ffff800015f2be20 [ 147.495021] x23: 000000000000000c x22: ffff00080656b000 [ 147.500358] x21: ffff800011a36268 x20: 0000000000000000 [ 147.505689] x19: 0000000000000027 x18: 0000000000000000 [ 147.511020] x17: 0000000000000000 x16: 0000000000000000 [ 147.516351] x15: 0000000000000030 x14: ffffffffffffffff [ 147.521683] x13: ffff800095f2b9d7 x12: ffff800015f2b9df [ 147.527014] x11: 0000000000000018 x10: ffff800012628250 [ 147.532345] x9 : ffff800010132304 x8 : ffff8000125d0250 [ 147.537676] x7 : ffff800012628250 x6 : ffff8000125a1000 [ 147.543007] x5 : ffff8000125a1c88 x4 : ffff00097ef70c50 [ 147.548338] x3 : 0000000000000000 x2 : 0000000000000000 [ 147.553669] x1 : 000000000000c0de x0 : ffff800011a37000 [ 147.559001] Call trace: [ 147.561453] lkdtm_ACCESS_NULL+0x38/0x7c [ 147.565389] lkdtm_do_action+0x24/0x40 [ 147.569145] direct_entry+0xd4/0x140 [ 147.572731] full_proxy_write+0x6c/0xc0 [ 147.576576] vfs_write+0xf0/0x210 [ 147.579897] ksys_write+0x74/0x100 [ 147.583306] __arm64_sys_write+0x28/0x34 [ 147.587239] el0_svc_common.constprop.0+0x84/0x1e0 [ 147.592041] do_el0_svc+0x30/0xa0 [ 147.595364] el0_svc+0x20/0x30 [ 147.598424] el0_sync_handler+0x1a4/0x1b0 [ 147.602441] el0_sync+0x180/0x1c0 [ 147.605767] Code: 910b6000 97ffdefc d2981bc1 b0003de0 (f9400293) [ 147.611876] ---[ end trace 2c82367ade12ce63 ]--- # Segmentation fault # [ 147.371217] lkdtm: Performing direct entry ACCESS_NULL # [ 147.376433] lkdtm: attempting bad read at 0000000000000000 # [ 147.382020] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000 # [ 147.390950] Mem abort info: # [ 147.393770] ESR = 0x96000004 # [ 147.396905] EC = 0x25: DABT (current EL), IL = 32 bits # [ 147.402433] SET = 0, FnV = 0 # [ 147.405510] EA = 0, S1PTW = 0 # [ 147.408733] Data abort info: # [ 147.411943] ISV = 0, ISS = 0x00000004 # [ 147.415849] CM = 0, WnR = 0 # [ 147.418900] user pgtable: 4k pages, 48-bit VAs, pgdp=00000008850e3000 # [ 147.425381] [0000000000000000] pgd=0000000000000000, p4d=0000000000000000 # [ 147.432230] Internal error: Oops: 96000004 [#12] PREEMPT SMP # [ 147.437907] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 147.447384] CPU: 2 PID: 2038 Comm: cat Tainted: G D W 5.10.136-cip14 #1 # [ 147.455150] Hardware name: ARM Juno development board (r0) (DT) # [ 147.461092] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 147.467123] pc : lkdtm_ACCESS_NULL+0x38/0x7c # [ 147.471407] lr : lkdtm_ACCESS_NULL+0x30/0x7c # [ 147.475691] sp : ffff800015f2bcf0 # [ 147.479016] x29: ffff800015f2bcf0 x28: ffff000807be0000 # [ 147.484354] x27: 0000000000000000 x26: 0000000000000000 # [ 147.489687] x25: ffff800011520830 x24: ffff800015f2be20 # [ 147.495021] x23: 000000000000000c x22: ffff00080656b000 # [ 147.500358] x21: ffff800011a36268 x20: 0000000000000000 # [ 147.505689] x19: 0000000000000027 x18: 0000000000000000 # [ 147.511020] x17: 0000000000000000 x16: 0000000000000000 # [ 147.516351] x15: 0000000000000030 x14: ffffffffffffffff # [ 147.521683] x13: ffff800095f2b9d7 x12: ffff800015f2b9df # [ 147.527014] x11: 0000000000000018 x10: ffff800012628250 # [ 147.532345] x9 : ffff800010132304 x8 : ffff8000125d0250 # [ 147.537676] x7 : ffff800012628250 x6 : ffff8000125a1000 # [ 147.543007] x5 : ffff8000125a1c88 x4 : ffff00097ef70c50 # [ 147.548338] x3 : 0000000000000000 x2 : 0000000000000000 # [ 147.553669] x1 : 000000000000c0de x0 : ffff800011a37000 # [ 147.559001] Call trace: # [ 147.561453] lkdtm_ACCESS_NULL+0x38/0x7c # [ 147.565389] lkdtm_do_action+0x24/0x40 # [ 147.569145] direct_entry+0xd4/0x140 # [ 147.572731] full_proxy_write+0x6c/0xc0 # [ 147.576576] vfs_write+0xf0/0x210 # [ 147.579897] ksys_write+0x74/0x100 # [ 147.583306] __arm64_sys_write+0x28/0x34 # [ 147.587239] el0_svc_common.constprop.0+0x84/0x1e0 # [ 147.592041] do_el0_svc+0x30/0xa0 # [ 147.595364] el0_svc+0x20/0x30 # [ 147.598424] el0_sync_handler+0x1a4/0x1b0 # [ 147.602441] el0_sync+0x180/0x1c0 # [ 147.605767] Code: 910b6000 97ffdefc d2981bc1 b0003de0 (f9400293) # [ 147.611876] ---[ end trace 2c82367ade12ce63 ]--- # ACCESS_NULL: saw 'call trace:': ok ok 38 selftests: lkdtm: ACCESS_NULL.sh # selftests: lkdtm: WRITE_RO.sh [ 148.057223] lkdtm: Performing direct entry WRITE_RO [ 148.062278] lkdtm: attempting bad rodata write at ffff800011520d20 [ 148.068557] Unable to handle kernel write to read-only memory at virtual address ffff800011520d20 [ 148.077666] Mem abort info: [ 148.080527] ESR = 0x9600004e [ 148.083625] EC = 0x25: DABT (current EL), IL = 32 bits [ 148.088984] SET = 0, FnV = 0 [ 148.092072] EA = 0, S1PTW = 0 [ 148.095241] Data abort info: [ 148.098133] ISV = 0, ISS = 0x0000004e [ 148.102005] CM = 0, WnR = 1 [ 148.105003] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081df1000 [ 148.111743] [ffff800011520d20] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=0060000081600781 [ 148.122449] Internal error: Oops: 9600004e [#13] PREEMPT SMP [ 148.128127] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 148.137604] CPU: 1 PID: 2083 Comm: cat Tainted: G D W 5.10.136-cip14 #1 [ 148.145364] Hardware name: ARM Juno development board (r0) (DT) [ 148.151298] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 148.157322] pc : lkdtm_WRITE_RO+0x48/0x60 [ 148.161340] lr : lkdtm_WRITE_RO+0x30/0x60 [ 148.165355] sp : ffff800015fc3cf0 [ 148.168682] x29: ffff800015fc3cf0 x28: ffff0008071e9880 [ 148.174019] x27: 0000000000000000 x26: 0000000000000000 [ 148.179351] x25: ffff800011520830 x24: ffff800015fc3e20 [ 148.184683] x23: 0000000000000009 x22: ffff00080399a000 [ 148.190015] x21: ffff800011a36278 x20: ffff800011520ab0 [ 148.195346] x19: ffff800011520000 x18: 0000000000000001 [ 148.200677] x17: 0000000000000000 x16: 0000000000000000 [ 148.206008] x15: 0000000000000030 x14: ffffffffffffffff [ 148.211339] x13: ffff800095fc39d7 x12: ffff800015fc39e0 [ 148.216670] x11: 0000000000000000 x10: ffff800012628250 [ 148.222001] x9 : ffff800010132304 x8 : ffff8000125d0250 [ 148.227333] x7 : ffff800012628250 x6 : ffff8000125a1000 [ 148.232664] x5 : ffff8000125a1c88 x4 : ffff00097ef0ac50 [ 148.237995] x3 : 0000000000000000 x2 : 00000000abcd1234 [ 148.243326] x1 : 000000000198b861 x0 : ffff800011a371c8 [ 148.248658] Call trace: [ 148.251110] lkdtm_WRITE_RO+0x48/0x60 [ 148.254785] lkdtm_do_action+0x24/0x40 [ 148.258541] direct_entry+0xd4/0x140 [ 148.262128] full_proxy_write+0x6c/0xc0 [ 148.265973] vfs_write+0xf0/0x210 [ 148.269294] ksys_write+0x74/0x100 [ 148.272703] __arm64_sys_write+0x28/0x34 [ 148.276636] el0_svc_common.constprop.0+0x84/0x1e0 [ 148.281439] do_el0_svc+0x30/0xa0 [ 148.284762] el0_svc+0x20/0x30 [ 148.287822] el0_sync_handler+0x1a4/0x1b0 [ 148.291839] el0_sync+0x180/0x1c0 [ 148.295166] Code: f2b579a2 b0003de0 ca020021 91072000 (f9069261) [ 148.301275] ---[ end trace 2c82367ade12ce64 ]--- # Segmentation fault # [ 148.057223] lkdtm: Performing direct entry WRITE_RO # [ 148.062278] lkdtm: attempting bad rodata write at ffff800011520d20 # [ 148.068557] Unable to handle kernel write to read-only memory at virtual address ffff800011520d20 # [ 148.077666] Mem abort info: # [ 148.080527] ESR = 0x9600004e # [ 148.083625] EC = 0x25: DABT (current EL), IL = 32 bits # [ 148.088984] SET = 0, FnV = 0 # [ 148.092072] EA = 0, S1PTW = 0 # [ 148.095241] Data abort info: # [ 148.098133] ISV = 0, ISS = 0x0000004e # [ 148.102005] CM = 0, WnR = 1 # [ 148.105003] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081df1000 # [ 148.111743] [ffff800011520d20] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=0060000081600781 # [ 148.122449] Internal error: Oops: 9600004e [#13] PREEMPT SMP # [ 148.128127] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 148.137604] CPU: 1 PID: 2083 Comm: cat Tainted: G D W 5.10.136-cip14 #1 # [ 148.145364] Hardware name: ARM Juno development board (r0) (DT) # [ 148.151298] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 148.157322] pc : lkdtm_WRITE_RO+0x48/0x60 # [ 148.161340] lr : lkdtm_WRITE_RO+0x30/0x60 # [ 148.165355] sp : ffff800015fc3cf0 # [ 148.168682] x29: ffff800015fc3cf0 x28: ffff0008071e9880 # [ 148.174019] x27: 0000000000000000 x26: 0000000000000000 # [ 148.179351] x25: ffff800011520830 x24: ffff800015fc3e20 # [ 148.184683] x23: 0000000000000009 x22: ffff00080399a000 # [ 148.190015] x21: ffff800011a36278 x20: ffff800011520ab0 # [ 148.195346] x19: ffff800011520000 x18: 0000000000000001 # [ 148.200677] x17: 0000000000000000 x16: 0000000000000000 # [ 148.206008] x15: 0000000000000030 x14: ffffffffffffffff # [ 148.211339] x13: ffff800095fc39d7 x12: ffff800015fc39e0 # [ 148.216670] x11: 0000000000000000 x10: ffff800012628250 # [ 148.222001] x9 : ffff800010132304 x8 : ffff8000125d0250 # [ 148.227333] x7 : ffff800012628250 x6 : ffff8000125a1000 # [ 148.232664] x5 : ffff8000125a1c88 x4 : ffff00097ef0ac50 # [ 148.237995] x3 : 0000000000000000 x2 : 00000000abcd1234 # [ 148.243326] x1 : 000000000198b861 x0 : ffff800011a371c8 # [ 148.248658] Call trace: # [ 148.251110] lkdtm_WRITE_RO+0x48/0x60 # [ 148.254785] lkdtm_do_action+0x24/0x40 # [ 148.258541] direct_entry+0xd4/0x140 # [ 148.262128] full_proxy_write+0x6c/0xc0 # [ 148.265973] vfs_write+0xf0/0x210 # [ 148.269294] ksys_write+0x74/0x100 # [ 148.272703] __arm64_sys_write+0x28/0x34 # [ 148.276636] el0_svc_common.constprop.0+0x84/0x1e0 # [ 148.281439] do_el0_svc+0x30/0xa0 # [ 148.284762] el0_svc+0x20/0x30 # [ 148.287822] el0_sync_handler+0x1a4/0x1b0 # [ 148.291839] el0_sync+0x180/0x1c0 # [ 148.295166] Code: f2b579a2 b0003de0 ca020021 91072000 (f9069261) # [ 148.301275] ---[ end trace 2c82367ade12ce64 ]--- # WRITE_RO: saw 'call trace:': ok ok 39 selftests: lkdtm: WRITE_RO.sh # selftests: lkdtm: WRITE_RO_AFTER_INIT.sh [ 148.704214] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT [ 148.710142] lkdtm: attempting bad ro_after_init write at ffff800011b08750 [ 148.717033] Unable to handle kernel write to read-only memory at virtual address ffff800011b08750 [ 148.725993] Mem abort info: [ 148.728948] ESR = 0x9600004e [ 148.732071] EC = 0x25: DABT (current EL), IL = 32 bits [ 148.737422] SET = 0, FnV = 0 [ 148.740506] EA = 0, S1PTW = 0 [ 148.743675] Data abort info: [ 148.746584] ISV = 0, ISS = 0x0000004e [ 148.750447] CM = 0, WnR = 1 [ 148.753429] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081df1000 [ 148.760163] [ffff800011b08750] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=0060000081c00781 [ 148.770862] Internal error: Oops: 9600004e [#14] PREEMPT SMP [ 148.776536] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 148.786014] CPU: 1 PID: 2128 Comm: cat Tainted: G D W 5.10.136-cip14 #1 [ 148.793776] Hardware name: ARM Juno development board (r0) (DT) [ 148.799715] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 148.805742] pc : lkdtm_WRITE_RO_AFTER_INIT+0x6c/0x84 [ 148.810720] lr : lkdtm_WRITE_RO_AFTER_INIT+0x54/0x84 [ 148.815694] sp : ffff800016083cf0 [ 148.819020] x29: ffff800016083cf0 x28: ffff000806461880 [ 148.824356] x27: 0000000000000000 x26: 0000000000000000 [ 148.829688] x25: ffff800011520830 x24: ffff800016083e20 [ 148.835019] x23: 0000000000000014 x22: ffff0008044b5000 [ 148.840351] x21: ffff800011a36288 x20: ffff800011520ac0 [ 148.845681] x19: ffff800011b08000 x18: 0000000000000000 [ 148.851012] x17: 0000000000000000 x16: 0000000000000000 [ 148.856343] x15: 0000000000000030 x14: ffffffffffffffff [ 148.861674] x13: ffff8000960839d7 x12: ffff8000160839df [ 148.867005] x11: 0000000000000018 x10: ffff800012628250 [ 148.872336] x9 : ffff800010132304 x8 : ffff8000125d0250 [ 148.877666] x7 : ffff800012628250 x6 : ffff8000125a1000 [ 148.882998] x5 : ffff8000125a1c88 x4 : ffff00097ef70c50 [ 148.888328] x3 : 0000000000000000 x2 : 00000000abcd1234 [ 148.893659] x1 : 00000000fe67479e x0 : ffff800011a371c8 [ 148.898990] Call trace: [ 148.901443] lkdtm_WRITE_RO_AFTER_INIT+0x6c/0x84 [ 148.906074] lkdtm_do_action+0x24/0x40 [ 148.909830] direct_entry+0xd4/0x140 [ 148.913416] full_proxy_write+0x6c/0xc0 [ 148.917261] vfs_write+0xf0/0x210 [ 148.920582] ksys_write+0x74/0x100 [ 148.923990] __arm64_sys_write+0x28/0x34 [ 148.927923] el0_svc_common.constprop.0+0x84/0x1e0 [ 148.932725] do_el0_svc+0x30/0xa0 [ 148.936048] el0_svc+0x20/0x30 [ 148.939107] el0_sync_handler+0x1a4/0x1b0 [ 148.943125] el0_sync+0x180/0x1c0 [ 148.946451] Code: f2b579a2 b0003de0 ca020021 91072000 (f903aa61) [ 148.952560] ---[ end trace 2c82367ade12ce65 ]--- # Segmentation fault # [ 148.704214] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT # [ 148.710142] lkdtm: attempting bad ro_after_init write at ffff800011b08750 # [ 148.717033] Unable to handle kernel write to read-only memory at virtual address ffff800011b08750 # [ 148.725993] Mem abort info: # [ 148.728948] ESR = 0x9600004e # [ 148.732071] EC = 0x25: DABT (current EL), IL = 32 bits # [ 148.737422] SET = 0, FnV = 0 # [ 148.740506] EA = 0, S1PTW = 0 # [ 148.743675] Data abort info: # [ 148.746584] ISV = 0, ISS = 0x0000004e # [ 148.750447] CM = 0, WnR = 1 # [ 148.753429] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081df1000 # [ 148.760163] [ffff800011b08750] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=0060000081c00781 # [ 148.770862] Internal error: Oops: 9600004e [#14] PREEMPT SMP # [ 148.776536] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 148.786014] CPU: 1 PID: 2128 Comm: cat Tainted: G D W 5.10.136-cip14 #1 # [ 148.793776] Hardware name: ARM Juno development board (r0) (DT) # [ 148.799715] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 148.805742] pc : lkdtm_WRITE_RO_AFTER_INIT+0x6c/0x84 # [ 148.810720] lr : lkdtm_WRITE_RO_AFTER_INIT+0x54/0x84 # [ 148.815694] sp : ffff800016083cf0 # [ 148.819020] x29: ffff800016083cf0 x28: ffff000806461880 # [ 148.824356] x27: 0000000000000000 x26: 0000000000000000 # [ 148.829688] x25: ffff800011520830 x24: ffff800016083e20 # [ 148.835019] x23: 0000000000000014 x22: ffff0008044b5000 # [ 148.840351] x21: ffff800011a36288 x20: ffff800011520ac0 # [ 148.845681] x19: ffff800011b08000 x18: 0000000000000000 # [ 148.851012] x17: 0000000000000000 x16: 0000000000000000 # [ 148.856343] x15: 0000000000000030 x14: ffffffffffffffff # [ 148.861674] x13: ffff8000960839d7 x12: ffff8000160839df # [ 148.867005] x11: 0000000000000018 x10: ffff800012628250 # [ 148.872336] x9 : ffff800010132304 x8 : ffff8000125d0250 # [ 148.877666] x7 : ffff800012628250 x6 : ffff8000125a1000 # [ 148.882998] x5 : ffff8000125a1c88 x4 : ffff00097ef70c50 # [ 148.888328] x3 : 0000000000000000 x2 : 00000000abcd1234 # [ 148.893659] x1 : 00000000fe67479e x0 : ffff800011a371c8 # [ 148.898990] Call trace: # [ 148.901443] lkdtm_WRITE_RO_AFTER_INIT+0x6c/0x84 # [ 148.906074] lkdtm_do_action+0x24/0x40 # [ 148.909830] direct_entry+0xd4/0x140 # [ 148.913416] full_proxy_write+0x6c/0xc0 # [ 148.917261] vfs_write+0xf0/0x210 # [ 148.920582] ksys_write+0x74/0x100 # [ 148.923990] __arm64_sys_write+0x28/0x34 # [ 148.927923] el0_svc_common.constprop.0+0x84/0x1e0 # [ 148.932725] do_el0_svc+0x30/0xa0 # [ 148.936048] el0_svc+0x20/0x30 # [ 148.939107] el0_sync_handler+0x1a4/0x1b0 # [ 148.943125] el0_sync+0x180/0x1c0 # [ 148.946451] Code: f2b579a2 b0003de0 ca020021 91072000 (f903aa61) # [ 148.952560] ---[ end trace 2c82367ade12ce65 ]--- # WRITE_RO_AFTER_INIT: saw 'call trace:': ok ok 40 selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # selftests: lkdtm: WRITE_KERN.sh [ 149.376669] lkdtm: Performing direct entry WRITE_KERN [ 149.381904] lkdtm: attempting bad 8710084 byte write at ffff80001127a764 [ 149.388770] Unable to handle kernel write to read-only memory at virtual address ffff80001127a764 [ 149.397764] Mem abort info: [ 149.400818] ESR = 0x9600004f [ 149.404144] EC = 0x25: DABT (current EL), IL = 32 bits [ 149.409527] SET = 0, FnV = 0 [ 149.412614] EA = 0, S1PTW = 0 [ 149.415787] Data abort info: [ 149.418697] ISV = 0, ISS = 0x0000004f [ 149.422566] CM = 0, WnR = 1 [ 149.425551] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081df1000 [ 149.432289] [ffff80001127a764] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=00000009ffffd003, pte=005000008147a783 [ 149.444928] Internal error: Oops: 9600004f [#15] PREEMPT SMP [ 149.450601] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 149.460080] CPU: 1 PID: 2173 Comm: cat Tainted: G D W 5.10.136-cip14 #1 [ 149.467842] Hardware name: ARM Juno development board (r0) (DT) [ 149.473779] pstate: 20000005 (nzCv daif -PAN -UAO -TCO BTYPE=--) [ 149.479811] pc : __memcpy+0x110/0x180 [ 149.483489] lr : lkdtm_WRITE_KERN+0x58/0x8c [ 149.487680] sp : ffff80001612bce0 [ 149.491007] x29: ffff80001612bce0 x28: ffff000807be3100 [ 149.496343] x27: 0000000000000000 x26: 0000000000000000 [ 149.501679] x25: ffff800011520830 x24: ffff80001612be20 [ 149.507011] x23: 000000000000000b x22: ffff00080509c000 [ 149.512343] x21: 000000000084e7c4 x20: ffff800010a2bfa0 [ 149.517674] x19: ffff80001127a764 x18: 0000000000000000 [ 149.523005] x17: 0000000000000000 x16: 0000000000000000 [ 149.528336] x15: 0000000000000030 x14: 52819801d2800802 [ 149.533667] x13: a9be7bfdf00086c0 x12: d503233fd503201f [ 149.538998] x11: aa1e03e9d503245f x10: d503201fd503201f [ 149.544329] x9 : d65f03c0d50323bf x8 : d503233fd503201f [ 149.549660] x7 : aa1e03e9d503245f x6 : ffff80001127a764 [ 149.554991] x5 : ffff8000125a1c88 x4 : 0000000000000000 [ 149.560323] x3 : 0000000000000000 x2 : 000000000084e744 [ 149.565654] x1 : ffff800010a2bfe0 x0 : ffff80001127a764 [ 149.570985] Call trace: [ 149.573438] __memcpy+0x110/0x180 [ 149.576765] lkdtm_do_action+0x24/0x40 [ 149.580521] direct_entry+0xd4/0x140 [ 149.584106] full_proxy_write+0x6c/0xc0 [ 149.587951] vfs_write+0xf0/0x210 [ 149.591272] ksys_write+0x74/0x100 [ 149.594680] __arm64_sys_write+0x28/0x34 [ 149.598614] el0_svc_common.constprop.0+0x84/0x1e0 [ 149.603415] do_el0_svc+0x30/0xa0 [ 149.606738] el0_svc+0x20/0x30 [ 149.609798] el0_sync_handler+0x1a4/0x1b0 [ 149.613816] el0_sync+0x180/0x1c0 [ 149.617142] Code: a8c12027 a8c12829 a8c1302b a8c1382d (a88120c7) [ 149.623252] ---[ end trace 2c82367ade12ce66 ]--- # Segmentation fault # [ 149.376669] lkdtm: Performing direct entry WRITE_KERN # [ 149.381904] lkdtm: attempting bad 8710084 byte write at ffff80001127a764 # [ 149.388770] Unable to handle kernel write to read-only memory at virtual address ffff80001127a764 # [ 149.397764] Mem abort info: # [ 149.400818] ESR = 0x9600004f # [ 149.404144] EC = 0x25: DABT (current EL), IL = 32 bits # [ 149.409527] SET = 0, FnV = 0 # [ 149.412614] EA = 0, S1PTW = 0 # [ 149.415787] Data abort info: # [ 149.418697] ISV = 0, ISS = 0x0000004f # [ 149.422566] CM = 0, WnR = 1 # [ 149.425551] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081df1000 # [ 149.432289] [ffff80001127a764] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=00000009ffffd003, pte=005000008147a783 # [ 149.444928] Internal error: Oops: 9600004f [#15] PREEMPT SMP # [ 149.450601] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 149.460080] CPU: 1 PID: 2173 Comm: cat Tainted: G D W 5.10.136-cip14 #1 # [ 149.467842] Hardware name: ARM Juno development board (r0) (DT) # [ 149.473779] pstate: 20000005 (nzCv daif -PAN -UAO -TCO BTYPE=--) # [ 149.479811] pc : __memcpy+0x110/0x180 # [ 149.483489] lr : lkdtm_WRITE_KERN+0x58/0x8c # [ 149.487680] sp : ffff80001612bce0 # [ 149.491007] x29: ffff80001612bce0 x28: ffff000807be3100 # [ 149.496343] x27: 0000000000000000 x26: 0000000000000000 # [ 149.501679] x25: ffff800011520830 x24: ffff80001612be20 # [ 149.507011] x23: 000000000000000b x22: ffff00080509c000 # [ 149.512343] x21: 000000000084e7c4 x20: ffff800010a2bfa0 # [ 149.517674] x19: ffff80001127a764 x18: 0000000000000000 # [ 149.523005] x17: 0000000000000000 x16: 0000000000000000 # [ 149.528336] x15: 0000000000000030 x14: 52819801d2800802 # [ 149.533667] x13: a9be7bfdf00086c0 x12: d503233fd503201f # [ 149.538998] x11: aa1e03e9d503245f x10: d503201fd503201f # [ 149.544329] x9 : d65f03c0d50323bf x8 : d503233fd503201f # [ 149.549660] x7 : aa1e03e9d503245f x6 : ffff80001127a764 # [ 149.554991] x5 : ffff8000125a1c88 x4 : 0000000000000000 # [ 149.560323] x3 : 0000000000000000 x2 : 000000000084e744 # [ 149.565654] x1 : ffff800010a2bfe0 x0 : ffff80001127a764 # [ 149.570985] Call trace: # [ 149.573438] __memcpy+0x110/0x180 # [ 149.576765] lkdtm_do_action+0x24/0x40 # [ 149.580521] direct_entry+0xd4/0x140 # [ 149.584106] full_proxy_write+0x6c/0xc0 # [ 149.587951] vfs_write+0xf0/0x210 # [ 149.591272] ksys_write+0x74/0x100 # [ 149.594680] __arm64_sys_write+0x28/0x34 # [ 149.598614] el0_svc_common.constprop.0+0x84/0x1e0 # [ 149.603415] do_el0_svc+0x30/0xa0 # [ 149.606738] el0_svc+0x20/0x30 # [ 149.609798] el0_sync_handler+0x1a4/0x1b0 # [ 149.613816] el0_sync+0x180/0x1c0 # [ 149.617142] Code: a8c12027 a8c12829 a8c1302b a8c1382d (a88120c7) # [ 149.623252] ---[ end trace 2c82367ade12ce66 ]--- # WRITE_KERN: saw 'call trace:': ok ok 41 selftests: lkdtm: WRITE_KERN.sh # selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh [ 150.049629] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW [ 150.055748] lkdtm: attempting good refcount_inc() without overflow [ 150.062247] lkdtm: attempting bad refcount_inc() overflow [ 150.067727] ------------[ cut here ]------------ [ 150.072452] refcount_t: saturated; leaking memory. [ 150.077378] WARNING: CPU: 5 PID: 2218 at lib/refcount.c:22 refcount_warn_saturate+0x74/0x144 [ 150.085840] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 150.095345] CPU: 5 PID: 2218 Comm: cat Tainted: G D W 5.10.136-cip14 #1 [ 150.103107] Hardware name: ARM Juno development board (r0) (DT) [ 150.109047] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 150.115075] pc : refcount_warn_saturate+0x74/0x144 [ 150.119883] lr : refcount_warn_saturate+0x74/0x144 [ 150.124687] sp : ffff8000161bbcd0 [ 150.128011] x29: ffff8000161bbcd0 x28: ffff000803006200 [ 150.133354] x27: 0000000000000000 x26: 0000000000000000 [ 150.138696] x25: ffff800011520830 x24: ffff8000161bbe20 [ 150.144037] x23: 0000000000000016 x22: ffff00080425f000 [ 150.149378] x21: ffff800011a362b0 x20: ffff800011520ae0 [ 150.154719] x19: 000000000000002b x18: 0000000000000001 [ 150.160060] x17: 0000000000000000 x16: 0000000000000000 [ 150.165401] x15: 0000000000000030 x14: ffffffffffffffff [ 150.170743] x13: ffff8000961bb977 x12: ffff8000161bb980 [ 150.176084] x11: 0000000000000028 x10: ffff800012628250 [ 150.181425] x9 : ffff800010132304 x8 : ffff8000125d0250 [ 150.186767] x7 : ffff800012628250 x6 : ffff8000125a1000 [ 150.192108] x5 : ffff8000125a1c88 x4 : ffff00097efb4c50 [ 150.197449] x3 : 0000000000000000 x2 : 0000000000000000 [ 150.202790] x1 : 0000000000000000 x0 : ffff000803006200 [ 150.208131] Call trace: [ 150.210590] refcount_warn_saturate+0x74/0x144 [ 150.215052] __refcount_add.constprop.0+0x6c/0x80 [ 150.219775] lkdtm_REFCOUNT_INC_OVERFLOW+0x74/0xa4 [ 150.224584] lkdtm_do_action+0x24/0x40 [ 150.228346] direct_entry+0xd4/0x140 [ 150.231938] full_proxy_write+0x6c/0xc0 [ 150.235790] vfs_write+0xf0/0x210 [ 150.239117] ksys_write+0x74/0x100 [ 150.242531] __arm64_sys_write+0x28/0x34 [ 150.246471] el0_svc_common.constprop.0+0x84/0x1e0 [ 150.251280] do_el0_svc+0x30/0xa0 [ 150.254609] el0_svc+0x20/0x30 [ 150.257675] el0_sync_handler+0x1a4/0x1b0 [ 150.261699] el0_sync+0x180/0x1c0 [ 150.265024] irq event stamp: 0 [ 150.268093] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 150.274384] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 [ 150.282587] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 [ 150.290789] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 150.297072] ---[ end trace 2c82367ade12ce67 ]--- [ 150.301990] lkdtm: Overflow detected: saturated # [ 150.049629] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW # [ 150.055748] lkdtm: attempting good refcount_inc() without overflow # [ 150.062247] lkdtm: attempting bad refcount_inc() overflow # [ 150.067727] ------------[ cut here ]------------ # [ 150.072452] refcount_t: saturated; leaking memory. # [ 150.077378] WARNING: CPU: 5 PID: 2218 at lib/refcount.c:22 refcount_warn_saturate+0x74/0x144 # [ 150.085840] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 150.095345] CPU: 5 PID: 2218 Comm: cat Tainted: G D W 5.10.136-cip14 #1 # [ 150.103107] Hardware name: ARM Juno development board (r0) (DT) # [ 150.109047] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 150.115075] pc : refcount_warn_saturate+0x74/0x144 # [ 150.119883] lr : refcount_warn_saturate+0x74/0x144 # [ 150.124687] sp : ffff8000161bbcd0 # [ 150.128011] x29: ffff8000161bbcd0 x28: ffff000803006200 # [ 150.133354] x27: 0000000000000000 x26: 0000000000000000 # [ 150.138696] x25: ffff800011520830 x24: ffff8000161bbe20 # [ 150.144037] x23: 0000000000000016 x22: ffff00080425f000 # [ 150.149378] x21: ffff800011a362b0 x20: ffff800011520ae0 # [ 150.154719] x19: 000000000000002b x18: 0000000000000001 # [ 150.160060] x17: 0000000000000000 x16: 0000000000000000 # [ 150.165401] x15: 0000000000000030 x14: ffffffffffffffff # [ 150.170743] x13: ffff8000961bb977 x12: ffff8000161bb980 # [ 150.176084] x11: 0000000000000028 x10: ffff800012628250 # [ 150.181425] x9 : ffff800010132304 x8 : ffff8000125d0250 # [ 150.186767] x7 : ffff800012628250 x6 : ffff8000125a1000 # [ 150.192108] x5 : ffff8000125a1c88 x4 : ffff00097efb4c50 # [ 150.197449] x3 : 0000000000000000 x2 : 0000000000000000 # [ 150.202790] x1 : 0000000000000000 x0 : ffff000803006200 # [ 150.208131] Call trace: # [ 150.210590] refcount_warn_saturate+0x74/0x144 # [ 150.215052] __refcount_add.constprop.0+0x6c/0x80 # [ 150.219775] lkdtm_REFCOUNT_INC_OVERFLOW+0x74/0xa4 # [ 150.224584] lkdtm_do_action+0x24/0x40 # [ 150.228346] direct_entry+0xd4/0x140 # [ 150.231938] full_proxy_write+0x6c/0xc0 # [ 150.235790] vfs_write+0xf0/0x210 # [ 150.239117] ksys_write+0x74/0x100 # [ 150.242531] __arm64_sys_write+0x28/0x34 # [ 150.246471] el0_svc_common.constprop.0+0x84/0x1e0 # [ 150.251280] do_el0_svc+0x30/0xa0 # [ 150.254609] el0_svc+0x20/0x30 # [ 150.257675] el0_sync_handler+0x1a4/0x1b0 # [ 150.261699] el0_sync+0x180/0x1c0 # [ 150.265024] irq event stamp: 0 # [ 150.268093] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 150.274384] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 # [ 150.282587] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 # [ 150.290789] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 150.297072] ---[ end trace 2c82367ade12ce67 ]--- # [ 150.301990] 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 [ 150.751428] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW [ 150.757519] lkdtm: attempting good refcount_add() without overflow [ 150.763780] lkdtm: attempting bad refcount_add() overflow [ 150.769250] ------------[ cut here ]------------ [ 150.773936] refcount_t: saturated; leaking memory. [ 150.779030] WARNING: CPU: 1 PID: 2250 at lib/refcount.c:22 refcount_warn_saturate+0x74/0x144 [ 150.787488] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 150.796961] CPU: 1 PID: 2250 Comm: cat Tainted: G D W 5.10.136-cip14 #1 [ 150.804719] Hardware name: ARM Juno development board (r0) (DT) [ 150.810653] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 150.816674] pc : refcount_warn_saturate+0x74/0x144 [ 150.821476] lr : refcount_warn_saturate+0x74/0x144 [ 150.826274] sp : ffff800016243cd0 [ 150.829594] x29: ffff800016243cd0 x28: ffff000804fdc980 [ 150.834926] x27: 0000000000000000 x26: 0000000000000000 [ 150.840258] x25: ffff800011520830 x24: ffff800016243e20 [ 150.845590] x23: 0000000000000016 x22: ffff0008064ce000 [ 150.850921] x21: ffff800011a362c8 x20: ffff800011520af0 [ 150.856252] x19: 000000000000002c x18: 0000000000000000 [ 150.861583] x17: 0000000000000000 x16: 0000000000000000 [ 150.866914] x15: 0000000000000000 x14: ffff00080028e200 [ 150.872246] x13: ffff80096d131000 x12: 0000000030d4d91d [ 150.877576] x11: 0000000000000000 x10: 0000000000001440 [ 150.882908] x9 : ffff800010132304 x8 : ffff00097efdc7c0 [ 150.888238] x7 : ffff000804fdc980 x6 : ffff8000125a1000 [ 150.893569] x5 : ffff8000125a1c88 x4 : ffff00097ef2cc50 [ 150.898900] x3 : 0000000000000000 x2 : 0000000000000000 [ 150.904231] x1 : 0000000000000000 x0 : ffff000804fdc980 [ 150.909562] Call trace: [ 150.912016] refcount_warn_saturate+0x74/0x144 [ 150.916472] __refcount_add.constprop.0+0x6c/0x80 [ 150.921187] lkdtm_REFCOUNT_ADD_OVERFLOW+0x80/0xb0 [ 150.925990] lkdtm_do_action+0x24/0x40 [ 150.929745] direct_entry+0xd4/0x140 [ 150.933330] full_proxy_write+0x6c/0xc0 [ 150.937176] vfs_write+0xf0/0x210 [ 150.940496] ksys_write+0x74/0x100 [ 150.943905] __arm64_sys_write+0x28/0x34 [ 150.947838] el0_svc_common.constprop.0+0x84/0x1e0 [ 150.952639] do_el0_svc+0x30/0xa0 [ 150.955962] el0_svc+0x20/0x30 [ 150.959022] el0_sync_handler+0x1a4/0x1b0 [ 150.963039] el0_sync+0x180/0x1c0 [ 150.966359] irq event stamp: 0 [ 150.969421] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 150.975705] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 [ 150.983901] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 [ 150.992095] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 150.998373] ---[ end trace 2c82367ade12ce68 ]--- [ 151.003149] lkdtm: Overflow detected: saturated # [ 150.751428] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW # [ 150.757519] lkdtm: attempting good refcount_add() without overflow # [ 150.763780] lkdtm: attempting bad refcount_add() overflow # [ 150.769250] ------------[ cut here ]------------ # [ 150.773936] refcount_t: saturated; leaking memory. # [ 150.779030] WARNING: CPU: 1 PID: 2250 at lib/refcount.c:22 refcount_warn_saturate+0x74/0x144 # [ 150.787488] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 150.796961] CPU: 1 PID: 2250 Comm: cat Tainted: G D W 5.10.136-cip14 #1 # [ 150.804719] Hardware name: ARM Juno development board (r0) (DT) # [ 150.810653] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 150.816674] pc : refcount_warn_saturate+0x74/0x144 # [ 150.821476] lr : refcount_warn_saturate+0x74/0x144 # [ 150.826274] sp : ffff800016243cd0 # [ 150.829594] x29: ffff800016243cd0 x28: ffff000804fdc980 # [ 150.834926] x27: 0000000000000000 x26: 0000000000000000 # [ 150.840258] x25: ffff800011520830 x24: ffff800016243e20 # [ 150.845590] x23: 0000000000000016 x22: ffff0008064ce000 # [ 150.850921] x21: ffff800011a362c8 x20: ffff800011520af0 # [ 150.856252] x19: 000000000000002c x18: 0000000000000000 # [ 150.861583] x17: 0000000000000000 x16: 0000000000000000 # [ 150.866914] x15: 0000000000000000 x14: ffff00080028e200 # [ 150.872246] x13: ffff80096d131000 x12: 0000000030d4d91d # [ 150.877576] x11: 0000000000000000 x10: 0000000000001440 # [ 150.882908] x9 : ffff800010132304 x8 : ffff00097efdc7c0 # [ 150.888238] x7 : ffff000804fdc980 x6 : ffff8000125a1000 # [ 150.893569] x5 : ffff8000125a1c88 x4 : ffff00097ef2cc50 # [ 150.898900] x3 : 0000000000000000 x2 : 0000000000000000 # [ 150.904231] x1 : 0000000000000000 x0 : ffff000804fdc980 # [ 150.909562] Call trace: # [ 150.912016] refcount_warn_saturate+0x74/0x144 # [ 150.916472] __refcount_add.constprop.0+0x6c/0x80 # [ 150.921187] lkdtm_REFCOUNT_ADD_OVERFLOW+0x80/0xb0 # [ 150.925990] lkdtm_do_action+0x24/0x40 # [ 150.929745] direct_entry+0xd4/0x140 # [ 150.933330] full_proxy_write+0x6c/0xc0 # [ 150.937176] vfs_write+0xf0/0x210 # [ 150.940496] ksys_write+0x74/0x100 # [ 150.943905] __arm64_sys_write+0x28/0x34 # [ 150.947838] el0_svc_common.constprop.0+0x84/0x1e0 # [ 150.952639] do_el0_svc+0x30/0xa0 # [ 150.955962] el0_svc+0x20/0x30 # [ 150.959022] el0_sync_handler+0x1a4/0x1b0 # [ 150.963039] el0_sync+0x180/0x1c0 # [ 150.966359] irq event stamp: 0 # [ 150.969421] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 150.975705] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 # [ 150.983901] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 # [ 150.992095] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 150.998373] ---[ end trace 2c82367ade12ce68 ]--- # [ 151.003149] 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 [ 151.435176] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW [ 151.442058] lkdtm: attempting bad refcount_inc_not_zero() overflow [ 151.448319] ------------[ cut here ]------------ [ 151.453009] refcount_t: saturated; leaking memory. [ 151.457940] WARNING: CPU: 3 PID: 2282 at lib/refcount.c:19 refcount_warn_saturate+0xc8/0x144 [ 151.466401] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 151.475904] CPU: 3 PID: 2282 Comm: cat Tainted: G D W 5.10.136-cip14 #1 [ 151.483667] Hardware name: ARM Juno development board (r0) (DT) [ 151.489606] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 151.495635] pc : refcount_warn_saturate+0xc8/0x144 [ 151.500444] lr : refcount_warn_saturate+0xc8/0x144 [ 151.505249] sp : ffff8000162cbcb0 [ 151.508573] x29: ffff8000162cbcb0 x28: ffff0008071ec980 [ 151.513915] x27: 0000000000000000 x26: 0000000000000000 [ 151.519257] x25: ffff800011520830 x24: ffff8000162cbe20 [ 151.524598] x23: 000000000000001f x22: ffff000803f8e000 [ 151.529939] x21: 0000000000000001 x20: 000000007fffffff [ 151.535280] x19: ffff8000162cbd04 x18: 0000000000000000 [ 151.540621] x17: 0000000000000000 x16: 0000000000000000 [ 151.545962] x15: 0000000000000030 x14: ffffffffffffffff [ 151.551304] x13: ffff8000962cb957 x12: ffff8000162cb95f [ 151.556645] x11: 0000000000000030 x10: ffff800012628250 [ 151.561986] x9 : ffff800010132304 x8 : ffff8000125d0250 [ 151.567327] x7 : ffff800012628250 x6 : ffff8000125a1000 [ 151.572669] x5 : ffff8000125a1c88 x4 : ffff00097ef70c50 [ 151.578010] x3 : 0000000000000000 x2 : 0000000000000000 [ 151.583350] x1 : 0000000000000000 x0 : ffff0008071ec980 [ 151.588691] Call trace: [ 151.591152] refcount_warn_saturate+0xc8/0x144 [ 151.595614] __refcount_add_not_zero.constprop.0+0x84/0xa0 [ 151.601118] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x4c/0x90 [ 151.606712] lkdtm_do_action+0x24/0x40 [ 151.610475] direct_entry+0xd4/0x140 [ 151.614067] full_proxy_write+0x6c/0xc0 [ 151.617918] vfs_write+0xf0/0x210 [ 151.621245] ksys_write+0x74/0x100 [ 151.624659] __arm64_sys_write+0x28/0x34 [ 151.628600] el0_svc_common.constprop.0+0x84/0x1e0 [ 151.633408] do_el0_svc+0x30/0xa0 [ 151.636738] el0_svc+0x20/0x30 [ 151.639804] el0_sync_handler+0x1a4/0x1b0 [ 151.643828] el0_sync+0x180/0x1c0 [ 151.647153] irq event stamp: 0 [ 151.650223] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 151.656514] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 [ 151.664718] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 [ 151.672920] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 151.679203] ---[ end trace 2c82367ade12ce69 ]--- [ 151.684050] lkdtm: Overflow detected: saturated # [ 151.435176] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 151.442058] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 151.448319] ------------[ cut here ]------------ # [ 151.453009] refcount_t: saturated; leaking memory. # [ 151.457940] WARNING: CPU: 3 PID: 2282 at lib/refcount.c:19 refcount_warn_saturate+0xc8/0x144 # [ 151.466401] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 151.475904] CPU: 3 PID: 2282 Comm: cat Tainted: G D W 5.10.136-cip14 #1 # [ 151.483667] Hardware name: ARM Juno development board (r0) (DT) # [ 151.489606] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 151.495635] pc : refcount_warn_saturate+0xc8/0x144 # [ 151.500444] lr : refcount_warn_saturate+0xc8/0x144 # [ 151.505249] sp : ffff8000162cbcb0 # [ 151.508573] x29: ffff8000162cbcb0 x28: ffff0008071ec980 # [ 151.513915] x27: 0000000000000000 x26: 0000000000000000 # [ 151.519257] x25: ffff800011520830 x24: ffff8000162cbe20 # [ 151.524598] x23: 000000000000001f x22: ffff000803f8e000 # [ 151.529939] x21: 0000000000000001 x20: 000000007fffffff # [ 151.535280] x19: ffff8000162cbd04 x18: 0000000000000000 # [ 151.540621] x17: 0000000000000000 x16: 0000000000000000 # [ 151.545962] x15: 0000000000000030 x14: ffffffffffffffff # [ 151.551304] x13: ffff8000962cb957 x12: ffff8000162cb95f # [ 151.556645] x11: 0000000000000030 x10: ffff800012628250 # [ 151.561986] x9 : ffff800010132304 x8 : ffff8000125d0250 # [ 151.567327] x7 : ffff800012628250 x6 : ffff8000125a1000 # [ 151.572669] x5 : ffff8000125a1c88 x4 : ffff00097ef70c50 # [ 151.578010] x3 : 0000000000000000 x2 : 0000000000000000 # [ 151.583350] x1 : 0000000000000000 x0 : ffff0008071ec980 # [ 151.588691] Call trace: # [ 151.591152] refcount_warn_saturate+0xc8/0x144 # [ 151.595614] __refcount_add_not_zero.constprop.0+0x84/0xa0 # [ 151.601118] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x4c/0x90 # [ 151.606712] lkdtm_do_action+0x24/0x40 # [ 151.610475] direct_entry+0xd4/0x140 # [ 151.614067] full_proxy_write+0x6c/0xc0 # [ 151.617918] vfs_write+0xf0/0x210 # [ 151.621245] ksys_write+0x74/0x100 # [ 151.624659] __arm64_sys_write+0x28/0x34 # [ 151.628600] el0_svc_common.constprop.0+0x84/0x1e0 # [ 151.633408] do_el0_svc+0x30/0xa0 # [ 151.636738] el0_svc+0x20/0x30 # [ 151.639804] el0_sync_handler+0x1a4/0x1b0 # [ 151.643828] el0_sync+0x180/0x1c0 # [ 151.647153] irq event stamp: 0 # [ 151.650223] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 151.656514] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 # [ 151.664718] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 # [ 151.672920] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 151.679203] ---[ end trace 2c82367ade12ce69 ]--- # [ 151.684050] 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 [ 152.136441] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW [ 152.143327] lkdtm: attempting bad refcount_add_not_zero() overflow [ 152.149583] ------------[ cut here ]------------ [ 152.154264] refcount_t: saturated; leaking memory. [ 152.159269] WARNING: CPU: 2 PID: 2314 at lib/refcount.c:19 refcount_warn_saturate+0xc8/0x144 [ 152.167727] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 152.177200] CPU: 2 PID: 2314 Comm: cat Tainted: G D W 5.10.136-cip14 #1 [ 152.184958] Hardware name: ARM Juno development board (r0) (DT) [ 152.190892] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 152.196913] pc : refcount_warn_saturate+0xc8/0x144 [ 152.201715] lr : refcount_warn_saturate+0xc8/0x144 [ 152.206513] sp : ffff80001637bcb0 [ 152.209833] x29: ffff80001637bcb0 x28: ffff000803001880 [ 152.215165] x27: 0000000000000000 x26: 0000000000000000 [ 152.220497] x25: ffff800011520830 x24: ffff80001637be20 [ 152.225829] x23: 000000000000001f x22: ffff000802adf000 [ 152.231160] x21: 0000000000000006 x20: 000000007fffffff [ 152.236491] x19: ffff80001637bd04 x18: 0000000000000000 [ 152.241822] x17: 0000000000000000 x16: 0000000000000000 [ 152.247153] x15: 00000000000001ea x14: 00000000000001e9 [ 152.252484] x13: 00000000000006e6 x12: 071c71c71c71c71c [ 152.257814] x11: 00000000000006e6 x10: 0000000000001440 [ 152.263145] x9 : ffff800010132304 x8 : ffff000803002d20 [ 152.268476] x7 : ffff00097ef624cc x6 : ffff8000125a1000 [ 152.273807] x5 : ffff8000125a1c88 x4 : ffff00097ef4ec50 [ 152.279138] x3 : 0000000000000000 x2 : 0000000000000000 [ 152.284469] x1 : 0000000000000000 x0 : ffff000803001880 [ 152.289800] Call trace: [ 152.292253] refcount_warn_saturate+0xc8/0x144 [ 152.296710] __refcount_add_not_zero.constprop.0+0x84/0xa0 [ 152.302207] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x4c/0x90 [ 152.307794] lkdtm_do_action+0x24/0x40 [ 152.311550] direct_entry+0xd4/0x140 [ 152.315135] full_proxy_write+0x6c/0xc0 [ 152.318981] vfs_write+0xf0/0x210 [ 152.322302] ksys_write+0x74/0x100 [ 152.325710] __arm64_sys_write+0x28/0x34 [ 152.329643] el0_svc_common.constprop.0+0x84/0x1e0 [ 152.334444] do_el0_svc+0x30/0xa0 [ 152.337767] el0_svc+0x20/0x30 [ 152.340826] el0_sync_handler+0x1a4/0x1b0 [ 152.344844] el0_sync+0x180/0x1c0 [ 152.348164] irq event stamp: 0 [ 152.351227] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 152.357511] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 [ 152.365708] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 [ 152.373902] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 152.380180] ---[ end trace 2c82367ade12ce6a ]--- [ 152.384884] lkdtm: Overflow detected: saturated # [ 152.136441] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 152.143327] lkdtm: attempting bad refcount_add_not_zero() overflow # [ 152.149583] ------------[ cut here ]------------ # [ 152.154264] refcount_t: saturated; leaking memory. # [ 152.159269] WARNING: CPU: 2 PID: 2314 at lib/refcount.c:19 refcount_warn_saturate+0xc8/0x144 # [ 152.167727] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 152.177200] CPU: 2 PID: 2314 Comm: cat Tainted: G D W 5.10.136-cip14 #1 # [ 152.184958] Hardware name: ARM Juno development board (r0) (DT) # [ 152.190892] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 152.196913] pc : refcount_warn_saturate+0xc8/0x144 # [ 152.201715] lr : refcount_warn_saturate+0xc8/0x144 # [ 152.206513] sp : ffff80001637bcb0 # [ 152.209833] x29: ffff80001637bcb0 x28: ffff000803001880 # [ 152.215165] x27: 0000000000000000 x26: 0000000000000000 # [ 152.220497] x25: ffff800011520830 x24: ffff80001637be20 # [ 152.225829] x23: 000000000000001f x22: ffff000802adf000 # [ 152.231160] x21: 0000000000000006 x20: 000000007fffffff # [ 152.236491] x19: ffff80001637bd04 x18: 0000000000000000 # [ 152.241822] x17: 0000000000000000 x16: 0000000000000000 # [ 152.247153] x15: 00000000000001ea x14: 00000000000001e9 # [ 152.252484] x13: 00000000000006e6 x12: 071c71c71c71c71c # [ 152.257814] x11: 00000000000006e6 x10: 0000000000001440 # [ 152.263145] x9 : ffff800010132304 x8 : ffff000803002d20 # [ 152.268476] x7 : ffff00097ef624cc x6 : ffff8000125a1000 # [ 152.273807] x5 : ffff8000125a1c88 x4 : ffff00097ef4ec50 # [ 152.279138] x3 : 0000000000000000 x2 : 0000000000000000 # [ 152.284469] x1 : 0000000000000000 x0 : ffff000803001880 # [ 152.289800] Call trace: # [ 152.292253] refcount_warn_saturate+0xc8/0x144 # [ 152.296710] __refcount_add_not_zero.constprop.0+0x84/0xa0 # [ 152.302207] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x4c/0x90 # [ 152.307794] lkdtm_do_action+0x24/0x40 # [ 152.311550] direct_entry+0xd4/0x140 # [ 152.315135] full_proxy_write+0x6c/0xc0 # [ 152.318981] vfs_write+0xf0/0x210 # [ 152.322302] ksys_write+0x74/0x100 # [ 152.325710] __arm64_sys_write+0x28/0x34 # [ 152.329643] el0_svc_common.constprop.0+0x84/0x1e0 # [ 152.334444] do_el0_svc+0x30/0xa0 # [ 152.337767] el0_svc+0x20/0x30 # [ 152.340826] el0_sync_handler+0x1a4/0x1b0 # [ 152.344844] el0_sync+0x180/0x1c0 # [ 152.348164] irq event stamp: 0 # [ 152.351227] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 152.357511] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 # [ 152.365708] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 # [ 152.373902] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 152.380180] ---[ end trace 2c82367ade12ce6a ]--- # [ 152.384884] 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 [ 152.864238] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO [ 152.869983] lkdtm: attempting good refcount_dec() [ 152.874782] lkdtm: attempting bad refcount_dec() to zero [ 152.880167] ------------[ cut here ]------------ [ 152.884854] refcount_t: decrement hit 0; leaking memory. [ 152.890395] WARNING: CPU: 1 PID: 2346 at lib/refcount.c:31 refcount_warn_saturate+0x13c/0x144 [ 152.898941] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 152.908417] CPU: 1 PID: 2346 Comm: cat Tainted: G D W 5.10.136-cip14 #1 [ 152.916175] Hardware name: ARM Juno development board (r0) (DT) [ 152.922110] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 152.928132] pc : refcount_warn_saturate+0x13c/0x144 [ 152.933022] lr : refcount_warn_saturate+0x13c/0x144 [ 152.937907] sp : ffff80001643bcc0 [ 152.941227] x29: ffff80001643bcc0 x28: ffff0008050dc980 [ 152.946560] x27: 0000000000000000 x26: 0000000000000000 [ 152.951892] x25: ffff800011520830 x24: ffff80001643be20 [ 152.957224] x23: 0000000000000012 x22: ffff000806434000 [ 152.962555] x21: ffff800011a36320 x20: ffff800011520b20 [ 152.967886] x19: ffff80001643bd04 x18: 0000000000000000 [ 152.973217] x17: 0000000000000000 x16: 0000000000000000 [ 152.978548] x15: 0000000000000000 x14: 39e3000000000000 [ 152.983879] x13: 0000000000000c5f x12: 071c71c71c71c71c [ 152.989210] x11: 0000000000000c5f x10: 0000000000001440 [ 152.994540] x9 : ffff800010132304 x8 : ffff00097efdc7c0 [ 152.999871] x7 : ffff0008050dc980 x6 : ffff8000125a1000 [ 153.005202] x5 : ffff8000125a1c88 x4 : ffff00097ef2cc50 [ 153.010533] x3 : 0000000000000000 x2 : 0000000000000000 [ 153.015864] x1 : 0000000000000000 x0 : ffff0008050dc980 [ 153.021195] Call trace: [ 153.023649] refcount_warn_saturate+0x13c/0x144 [ 153.028192] __refcount_dec.constprop.0+0x4c/0x5c [ 153.032906] lkdtm_REFCOUNT_DEC_ZERO+0x58/0xe4 [ 153.037361] lkdtm_do_action+0x24/0x40 [ 153.041117] direct_entry+0xd4/0x140 [ 153.044702] full_proxy_write+0x6c/0xc0 [ 153.048548] vfs_write+0xf0/0x210 [ 153.051869] ksys_write+0x74/0x100 [ 153.055277] __arm64_sys_write+0x28/0x34 [ 153.059210] el0_svc_common.constprop.0+0x84/0x1e0 [ 153.064012] do_el0_svc+0x30/0xa0 [ 153.067335] el0_svc+0x20/0x30 [ 153.070395] el0_sync_handler+0x1a4/0x1b0 [ 153.074412] el0_sync+0x180/0x1c0 [ 153.077732] irq event stamp: 0 [ 153.080795] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 153.087078] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 [ 153.095275] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 [ 153.103469] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 153.109747] ---[ end trace 2c82367ade12ce6b ]--- [ 153.114460] lkdtm: Zero detected: saturated # [ 152.864238] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO # [ 152.869983] lkdtm: attempting good refcount_dec() # [ 152.874782] lkdtm: attempting bad refcount_dec() to zero # [ 152.880167] ------------[ cut here ]------------ # [ 152.884854] refcount_t: decrement hit 0; leaking memory. # [ 152.890395] WARNING: CPU: 1 PID: 2346 at lib/refcount.c:31 refcount_warn_saturate+0x13c/0x144 # [ 152.898941] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 152.908417] CPU: 1 PID: 2346 Comm: cat Tainted: G D W 5.10.136-cip14 #1 # [ 152.916175] Hardware name: ARM Juno development board (r0) (DT) # [ 152.922110] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 152.928132] pc : refcount_warn_saturate+0x13c/0x144 # [ 152.933022] lr : refcount_warn_saturate+0x13c/0x144 # [ 152.937907] sp : ffff80001643bcc0 # [ 152.941227] x29: ffff80001643bcc0 x28: ffff0008050dc980 # [ 152.946560] x27: 0000000000000000 x26: 0000000000000000 # [ 152.951892] x25: ffff800011520830 x24: ffff80001643be20 # [ 152.957224] x23: 0000000000000012 x22: ffff000806434000 # [ 152.962555] x21: ffff800011a36320 x20: ffff800011520b20 # [ 152.967886] x19: ffff80001643bd04 x18: 0000000000000000 # [ 152.973217] x17: 0000000000000000 x16: 0000000000000000 # [ 152.978548] x15: 0000000000000000 x14: 39e3000000000000 # [ 152.983879] x13: 0000000000000c5f x12: 071c71c71c71c71c # [ 152.989210] x11: 0000000000000c5f x10: 0000000000001440 # [ 152.994540] x9 : ffff800010132304 x8 : ffff00097efdc7c0 # [ 152.999871] x7 : ffff0008050dc980 x6 : ffff8000125a1000 # [ 153.005202] x5 : ffff8000125a1c88 x4 : ffff00097ef2cc50 # [ 153.010533] x3 : 0000000000000000 x2 : 0000000000000000 # [ 153.015864] x1 : 0000000000000000 x0 : ffff0008050dc980 # [ 153.021195] Call trace: # [ 153.023649] refcount_warn_saturate+0x13c/0x144 # [ 153.028192] __refcount_dec.constprop.0+0x4c/0x5c # [ 153.032906] lkdtm_REFCOUNT_DEC_ZERO+0x58/0xe4 # [ 153.037361] lkdtm_do_action+0x24/0x40 # [ 153.041117] direct_entry+0xd4/0x140 # [ 153.044702] full_proxy_write+0x6c/0xc0 # [ 153.048548] vfs_write+0xf0/0x210 # [ 153.051869] ksys_write+0x74/0x100 # [ 153.055277] __arm64_sys_write+0x28/0x34 # [ 153.059210] el0_svc_common.constprop.0+0x84/0x1e0 # [ 153.064012] do_el0_svc+0x30/0xa0 # [ 153.067335] el0_svc+0x20/0x30 # [ 153.070395] el0_sync_handler+0x1a4/0x1b0 # [ 153.074412] el0_sync+0x180/0x1c0 # [ 153.077732] irq event stamp: 0 # [ 153.080795] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 153.087078] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 # [ 153.095275] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 # [ 153.103469] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 153.109747] ---[ end trace 2c82367ade12ce6b ]--- # [ 153.114460] 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 [ 153.590038] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE [ 153.596147] lkdtm: attempting bad refcount_dec() below zero [ 153.601806] ------------[ cut here ]------------ [ 153.606492] refcount_t: decrement hit 0; leaking memory. [ 153.612021] WARNING: CPU: 4 PID: 2381 at lib/refcount.c:31 refcount_warn_saturate+0x13c/0x144 [ 153.620569] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 153.630072] CPU: 4 PID: 2381 Comm: cat Tainted: G D W 5.10.136-cip14 #1 [ 153.637835] Hardware name: ARM Juno development board (r0) (DT) [ 153.643775] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 153.649803] pc : refcount_warn_saturate+0x13c/0x144 [ 153.654699] lr : refcount_warn_saturate+0x13c/0x144 [ 153.659589] sp : ffff8000164e3cc0 [ 153.662914] x29: ffff8000164e3cc0 x28: ffff0008050d8000 [ 153.668256] x27: 0000000000000000 x26: 0000000000000000 [ 153.673597] x25: ffff800011520830 x24: ffff8000164e3e20 [ 153.678939] x23: 0000000000000016 x22: ffff0008040ce000 [ 153.684280] x21: ffff800011a36338 x20: ffff800011520b30 [ 153.689621] x19: ffff8000164e3d04 x18: 0000000000000000 [ 153.694963] x17: 0000000000000000 x16: 0000000000000000 [ 153.700303] x15: 0000000000000030 x14: ffffffffffffffff [ 153.705645] x13: ffff8000964e3967 x12: ffff8000164e396f [ 153.710986] x11: 0000000000000028 x10: 0000000000001440 [ 153.716327] x9 : ffff800010132304 x8 : ffff0008050d94a0 [ 153.721669] x7 : 0000000000000000 x6 : ffff8000125a1000 [ 153.727010] x5 : ffff8000125a1c88 x4 : ffff00097ef92c50 [ 153.732351] x3 : 0000000000000000 x2 : 0000000000000000 [ 153.737691] x1 : 0000000000000000 x0 : ffff0008050d8000 [ 153.743032] Call trace: [ 153.745493] refcount_warn_saturate+0x13c/0x144 [ 153.750042] __refcount_dec.constprop.0+0x4c/0x5c [ 153.754763] lkdtm_REFCOUNT_DEC_NEGATIVE+0x40/0x74 [ 153.759574] lkdtm_do_action+0x24/0x40 [ 153.763336] direct_entry+0xd4/0x140 [ 153.766928] full_proxy_write+0x6c/0xc0 [ 153.770779] vfs_write+0xf0/0x210 [ 153.774106] ksys_write+0x74/0x100 [ 153.777521] __arm64_sys_write+0x28/0x34 [ 153.781461] el0_svc_common.constprop.0+0x84/0x1e0 [ 153.786269] do_el0_svc+0x30/0xa0 [ 153.789599] el0_svc+0x20/0x30 [ 153.792665] el0_sync_handler+0x1a4/0x1b0 [ 153.796689] el0_sync+0x180/0x1c0 [ 153.800014] irq event stamp: 0 [ 153.803084] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 153.809375] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 [ 153.817579] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 [ 153.825780] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 153.832064] ---[ end trace 2c82367ade12ce6c ]--- [ 153.836985] lkdtm: Negative detected: saturated # [ 153.590038] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 153.596147] lkdtm: attempting bad refcount_dec() below zero # [ 153.601806] ------------[ cut here ]------------ # [ 153.606492] refcount_t: decrement hit 0; leaking memory. # [ 153.612021] WARNING: CPU: 4 PID: 2381 at lib/refcount.c:31 refcount_warn_saturate+0x13c/0x144 # [ 153.620569] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 153.630072] CPU: 4 PID: 2381 Comm: cat Tainted: G D W 5.10.136-cip14 #1 # [ 153.637835] Hardware name: ARM Juno development board (r0) (DT) # [ 153.643775] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 153.649803] pc : refcount_warn_saturate+0x13c/0x144 # [ 153.654699] lr : refcount_warn_saturate+0x13c/0x144 # [ 153.659589] sp : ffff8000164e3cc0 # [ 153.662914] x29: ffff8000164e3cc0 x28: ffff0008050d8000 # [ 153.668256] x27: 0000000000000000 x26: 0000000000000000 # [ 153.673597] x25: ffff800011520830 x24: ffff8000164e3e20 # [ 153.678939] x23: 0000000000000016 x22: ffff0008040ce000 # [ 153.684280] x21: ffff800011a36338 x20: ffff800011520b30 # [ 153.689621] x19: ffff8000164e3d04 x18: 0000000000000000 # [ 153.694963] x17: 0000000000000000 x16: 0000000000000000 # [ 153.700303] x15: 0000000000000030 x14: ffffffffffffffff # [ 153.705645] x13: ffff8000964e3967 x12: ffff8000164e396f # [ 153.710986] x11: 0000000000000028 x10: 0000000000001440 # [ 153.716327] x9 : ffff800010132304 x8 : ffff0008050d94a0 # [ 153.721669] x7 : 0000000000000000 x6 : ffff8000125a1000 # [ 153.727010] x5 : ffff8000125a1c88 x4 : ffff00097ef92c50 # [ 153.732351] x3 : 0000000000000000 x2 : 0000000000000000 # [ 153.737691] x1 : 0000000000000000 x0 : ffff0008050d8000 # [ 153.743032] Call trace: # [ 153.745493] refcount_warn_saturate+0x13c/0x144 # [ 153.750042] __refcount_dec.constprop.0+0x4c/0x5c # [ 153.754763] lkdtm_REFCOUNT_DEC_NEGATIVE+0x40/0x74 # [ 153.759574] lkdtm_do_action+0x24/0x40 # [ 153.763336] direct_entry+0xd4/0x140 # [ 153.766928] full_proxy_write+0x6c/0xc0 # [ 153.770779] vfs_write+0xf0/0x210 # [ 153.774106] ksys_write+0x74/0x100 # [ 153.777521] __arm64_sys_write+0x28/0x34 # [ 153.781461] el0_svc_common.constprop.0+0x84/0x1e0 # [ 153.786269] do_el0_svc+0x30/0xa0 # [ 153.789599] el0_svc+0x20/0x30 # [ 153.792665] el0_sync_handler+0x1a4/0x1b0 # [ 153.796689] el0_sync+0x180/0x1c0 # [ 153.800014] irq event stamp: 0 # [ 153.803084] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 153.809375] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 # [ 153.817579] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 # [ 153.825780] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 153.832064] ---[ end trace 2c82367ade12ce6c ]--- # [ 153.836985] 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 [ 154.282866] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE [ 154.289744] lkdtm: attempting bad refcount_dec_and_test() below zero [ 154.296180] ------------[ cut here ]------------ [ 154.300867] refcount_t: underflow; use-after-free. [ 154.305936] WARNING: CPU: 1 PID: 2416 at lib/refcount.c:28 refcount_warn_saturate+0xf4/0x144 [ 154.314396] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 154.323869] CPU: 1 PID: 2416 Comm: cat Tainted: G D W 5.10.136-cip14 #1 [ 154.331627] Hardware name: ARM Juno development board (r0) (DT) [ 154.337560] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 154.343581] pc : refcount_warn_saturate+0xf4/0x144 [ 154.348383] lr : refcount_warn_saturate+0xf4/0x144 [ 154.353181] sp : ffff80001654bcd0 [ 154.356501] x29: ffff80001654bcd0 x28: ffff000802a09880 [ 154.361833] x27: 0000000000000000 x26: 0000000000000000 [ 154.367165] x25: ffff800011520830 x24: ffff80001654be20 [ 154.372496] x23: 000000000000001f x22: ffff000803fc5000 [ 154.377827] x21: ffff800011a36350 x20: ffff800011520b40 [ 154.383158] x19: 0000000000000031 x18: 0000000000000000 [ 154.388489] x17: 0000000000000000 x16: 0000000000000000 [ 154.393820] x15: 0000000000000000 x14: ffff00080028e200 [ 154.399151] x13: ffff80096d131000 x12: 0000000030d4d91d [ 154.404481] x11: 0000000000000000 x10: 0000000000001440 [ 154.409813] x9 : ffff800010132304 x8 : ffff000802a0ad20 [ 154.415143] x7 : ffff80096d131000 x6 : ffff8000125a1000 [ 154.420474] x5 : ffff8000125a1c88 x4 : ffff00097ef2cc50 [ 154.425805] x3 : 0000000000000000 x2 : 0000000000000000 [ 154.431136] x1 : 0000000000000000 x0 : ffff000802a09880 [ 154.436467] Call trace: [ 154.438920] refcount_warn_saturate+0xf4/0x144 [ 154.443376] __refcount_sub_and_test.constprop.0+0x64/0x7c [ 154.448875] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x48/0x90 [ 154.454461] lkdtm_do_action+0x24/0x40 [ 154.458217] direct_entry+0xd4/0x140 [ 154.461802] full_proxy_write+0x6c/0xc0 [ 154.465647] vfs_write+0xf0/0x210 [ 154.468968] ksys_write+0x74/0x100 [ 154.472375] __arm64_sys_write+0x28/0x34 [ 154.476308] el0_svc_common.constprop.0+0x84/0x1e0 [ 154.481110] do_el0_svc+0x30/0xa0 [ 154.484433] el0_svc+0x20/0x30 [ 154.487492] el0_sync_handler+0x1a4/0x1b0 [ 154.491510] el0_sync+0x180/0x1c0 [ 154.494829] irq event stamp: 0 [ 154.497891] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 154.504175] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 [ 154.512371] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 [ 154.520565] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 154.526843] ---[ end trace 2c82367ade12ce6d ]--- [ 154.531544] lkdtm: Negative detected: saturated # [ 154.282866] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 154.289744] lkdtm: attempting bad refcount_dec_and_test() below zero # [ 154.296180] ------------[ cut here ]------------ # [ 154.300867] refcount_t: underflow; use-after-free. # [ 154.305936] WARNING: CPU: 1 PID: 2416 at lib/refcount.c:28 refcount_warn_saturate+0xf4/0x144 # [ 154.314396] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 154.323869] CPU: 1 PID: 2416 Comm: cat Tainted: G D W 5.10.136-cip14 #1 # [ 154.331627] Hardware name: ARM Juno development board (r0) (DT) # [ 154.337560] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 154.343581] pc : refcount_warn_saturate+0xf4/0x144 # [ 154.348383] lr : refcount_warn_saturate+0xf4/0x144 # [ 154.353181] sp : ffff80001654bcd0 # [ 154.356501] x29: ffff80001654bcd0 x28: ffff000802a09880 # [ 154.361833] x27: 0000000000000000 x26: 0000000000000000 # [ 154.367165] x25: ffff800011520830 x24: ffff80001654be20 # [ 154.372496] x23: 000000000000001f x22: ffff000803fc5000 # [ 154.377827] x21: ffff800011a36350 x20: ffff800011520b40 # [ 154.383158] x19: 0000000000000031 x18: 0000000000000000 # [ 154.388489] x17: 0000000000000000 x16: 0000000000000000 # [ 154.393820] x15: 0000000000000000 x14: ffff00080028e200 # [ 154.399151] x13: ffff80096d131000 x12: 0000000030d4d91d # [ 154.404481] x11: 0000000000000000 x10: 0000000000001440 # [ 154.409813] x9 : ffff800010132304 x8 : ffff000802a0ad20 # [ 154.415143] x7 : ffff80096d131000 x6 : ffff8000125a1000 # [ 154.420474] x5 : ffff8000125a1c88 x4 : ffff00097ef2cc50 # [ 154.425805] x3 : 0000000000000000 x2 : 0000000000000000 # [ 154.431136] x1 : 0000000000000000 x0 : ffff000802a09880 # [ 154.436467] Call trace: # [ 154.438920] refcount_warn_saturate+0xf4/0x144 # [ 154.443376] __refcount_sub_and_test.constprop.0+0x64/0x7c # [ 154.448875] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x48/0x90 # [ 154.454461] lkdtm_do_action+0x24/0x40 # [ 154.458217] direct_entry+0xd4/0x140 # [ 154.461802] full_proxy_write+0x6c/0xc0 # [ 154.465647] vfs_write+0xf0/0x210 # [ 154.468968] ksys_write+0x74/0x100 # [ 154.472375] __arm64_sys_write+0x28/0x34 # [ 154.476308] el0_svc_common.constprop.0+0x84/0x1e0 # [ 154.481110] do_el0_svc+0x30/0xa0 # [ 154.484433] el0_svc+0x20/0x30 # [ 154.487492] el0_sync_handler+0x1a4/0x1b0 # [ 154.491510] el0_sync+0x180/0x1c0 # [ 154.494829] irq event stamp: 0 # [ 154.497891] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 154.504175] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 # [ 154.512371] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 # [ 154.520565] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 154.526843] ---[ end trace 2c82367ade12ce6d ]--- # [ 154.531544] 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 [ 155.003165] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE [ 155.010043] lkdtm: attempting bad refcount_sub_and_test() below zero [ 155.016483] ------------[ cut here ]------------ [ 155.021172] refcount_t: underflow; use-after-free. [ 155.026170] WARNING: CPU: 3 PID: 2451 at lib/refcount.c:28 refcount_warn_saturate+0xf4/0x144 [ 155.034633] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 155.044137] CPU: 3 PID: 2451 Comm: cat Tainted: G D W 5.10.136-cip14 #1 [ 155.051899] Hardware name: ARM Juno development board (r0) (DT) [ 155.057839] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 155.063867] pc : refcount_warn_saturate+0xf4/0x144 [ 155.068676] lr : refcount_warn_saturate+0xf4/0x144 [ 155.073479] sp : ffff8000165f3cd0 [ 155.076804] x29: ffff8000165f3cd0 x28: ffff0008008f3100 [ 155.082146] x27: 0000000000000000 x26: 0000000000000000 [ 155.087488] x25: ffff800011520830 x24: ffff8000165f3e20 [ 155.092829] x23: 000000000000001f x22: ffff000805ac8000 [ 155.098170] x21: ffff800011a36370 x20: ffff800011520b50 [ 155.103511] x19: 0000000000000032 x18: 0000000000000001 [ 155.108852] x17: 0000000000000000 x16: 0000000000000000 [ 155.114193] x15: 0000000000000030 x14: ffffffffffffffff [ 155.119534] x13: ffff8000965f3977 x12: ffff8000165f3980 [ 155.124875] x11: 0000000000000030 x10: 0000000000001440 [ 155.130217] x9 : ffff800010132304 x8 : ffff0008008f45a0 [ 155.135558] x7 : 0000000000000000 x6 : ffff8000125a1000 [ 155.140899] x5 : ffff8000125a1c88 x4 : ffff00097ef70c50 [ 155.146240] x3 : 0000000000000000 x2 : 0000000000000000 [ 155.151581] x1 : 0000000000000000 x0 : ffff0008008f3100 [ 155.156922] Call trace: [ 155.159383] refcount_warn_saturate+0xf4/0x144 [ 155.163845] __refcount_sub_and_test.constprop.0+0x64/0x7c [ 155.169351] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x4c/0x94 [ 155.174943] lkdtm_do_action+0x24/0x40 [ 155.178705] direct_entry+0xd4/0x140 [ 155.182298] full_proxy_write+0x6c/0xc0 [ 155.186149] vfs_write+0xf0/0x210 [ 155.189476] ksys_write+0x74/0x100 [ 155.192890] __arm64_sys_write+0x28/0x34 [ 155.196831] el0_svc_common.constprop.0+0x84/0x1e0 [ 155.201639] do_el0_svc+0x30/0xa0 [ 155.204969] el0_svc+0x20/0x30 [ 155.208036] el0_sync_handler+0x1a4/0x1b0 [ 155.212060] el0_sync+0x180/0x1c0 [ 155.215385] irq event stamp: 0 [ 155.218455] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 155.224746] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 [ 155.232950] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 [ 155.241151] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 155.247434] ---[ end trace 2c82367ade12ce6e ]--- [ 155.252347] lkdtm: Negative detected: saturated # [ 155.003165] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 155.010043] lkdtm: attempting bad refcount_sub_and_test() below zero # [ 155.016483] ------------[ cut here ]------------ # [ 155.021172] refcount_t: underflow; use-after-free. # [ 155.026170] WARNING: CPU: 3 PID: 2451 at lib/refcount.c:28 refcount_warn_saturate+0xf4/0x144 # [ 155.034633] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 155.044137] CPU: 3 PID: 2451 Comm: cat Tainted: G D W 5.10.136-cip14 #1 # [ 155.051899] Hardware name: ARM Juno development board (r0) (DT) # [ 155.057839] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 155.063867] pc : refcount_warn_saturate+0xf4/0x144 # [ 155.068676] lr : refcount_warn_saturate+0xf4/0x144 # [ 155.073479] sp : ffff8000165f3cd0 # [ 155.076804] x29: ffff8000165f3cd0 x28: ffff0008008f3100 # [ 155.082146] x27: 0000000000000000 x26: 0000000000000000 # [ 155.087488] x25: ffff800011520830 x24: ffff8000165f3e20 # [ 155.092829] x23: 000000000000001f x22: ffff000805ac8000 # [ 155.098170] x21: ffff800011a36370 x20: ffff800011520b50 # [ 155.103511] x19: 0000000000000032 x18: 0000000000000001 # [ 155.108852] x17: 0000000000000000 x16: 0000000000000000 # [ 155.114193] x15: 0000000000000030 x14: ffffffffffffffff # [ 155.119534] x13: ffff8000965f3977 x12: ffff8000165f3980 # [ 155.124875] x11: 0000000000000030 x10: 0000000000001440 # [ 155.130217] x9 : ffff800010132304 x8 : ffff0008008f45a0 # [ 155.135558] x7 : 0000000000000000 x6 : ffff8000125a1000 # [ 155.140899] x5 : ffff8000125a1c88 x4 : ffff00097ef70c50 # [ 155.146240] x3 : 0000000000000000 x2 : 0000000000000000 # [ 155.151581] x1 : 0000000000000000 x0 : ffff0008008f3100 # [ 155.156922] Call trace: # [ 155.159383] refcount_warn_saturate+0xf4/0x144 # [ 155.163845] __refcount_sub_and_test.constprop.0+0x64/0x7c # [ 155.169351] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x4c/0x94 # [ 155.174943] lkdtm_do_action+0x24/0x40 # [ 155.178705] direct_entry+0xd4/0x140 # [ 155.182298] full_proxy_write+0x6c/0xc0 # [ 155.186149] vfs_write+0xf0/0x210 # [ 155.189476] ksys_write+0x74/0x100 # [ 155.192890] __arm64_sys_write+0x28/0x34 # [ 155.196831] el0_svc_common.constprop.0+0x84/0x1e0 # [ 155.201639] do_el0_svc+0x30/0xa0 # [ 155.204969] el0_svc+0x20/0x30 # [ 155.208036] el0_sync_handler+0x1a4/0x1b0 # [ 155.212060] el0_sync+0x180/0x1c0 # [ 155.215385] irq event stamp: 0 # [ 155.218455] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 155.224746] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 # [ 155.232950] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 # [ 155.241151] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 155.247434] ---[ end trace 2c82367ade12ce6e ]--- # [ 155.252347] 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 [ 155.735513] lkdtm: Performing direct entry REFCOUNT_INC_ZERO [ 155.741258] lkdtm: attempting safe refcount_inc_not_zero() from zero [ 155.747686] lkdtm: Good: zero detected [ 155.751496] lkdtm: Correctly stayed at zero [ 155.755742] lkdtm: attempting bad refcount_inc() from zero [ 155.761363] ------------[ cut here ]------------ [ 155.766072] refcount_t: addition on 0; use-after-free. [ 155.771448] WARNING: CPU: 1 PID: 2483 at lib/refcount.c:25 refcount_warn_saturate+0xa0/0x144 [ 155.779906] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 155.789379] CPU: 1 PID: 2483 Comm: cat Tainted: G D W 5.10.136-cip14 #1 [ 155.797137] Hardware name: ARM Juno development board (r0) (DT) [ 155.803071] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 155.809093] pc : refcount_warn_saturate+0xa0/0x144 [ 155.813895] lr : refcount_warn_saturate+0xa0/0x144 [ 155.818693] sp : ffff80001666bcd0 [ 155.822013] x29: ffff80001666bcd0 x28: ffff0008050db100 [ 155.827346] x27: 0000000000000000 x26: 0000000000000000 [ 155.832678] x25: ffff800011520830 x24: ffff80001666be20 [ 155.838009] x23: 0000000000000012 x22: ffff000802a64000 [ 155.843340] x21: ffff800011a36390 x20: ffff800011520b60 [ 155.848672] x19: 0000000000000033 x18: 0000000000000000 [ 155.854003] x17: 0000000000000000 x16: 0000000000000000 [ 155.859334] x15: 0000000000000151 x14: 0000000000000076 [ 155.864665] x13: 00000000000004d7 x12: 071c71c71c71c71c [ 155.869996] x11: 00000000000004d7 x10: 0000000000001440 [ 155.875327] x9 : ffff800010132304 x8 : ffff00097efdc7c0 [ 155.880658] x7 : ffff0008050db100 x6 : ffff8000125a1000 [ 155.885989] x5 : ffff8000125a1c88 x4 : ffff00097ef2cc50 [ 155.891320] x3 : 0000000000000000 x2 : 0000000000000000 [ 155.896651] x1 : 0000000000000000 x0 : ffff0008050db100 [ 155.901982] Call trace: [ 155.904436] refcount_warn_saturate+0xa0/0x144 [ 155.908892] __refcount_add.constprop.0+0x54/0x80 [ 155.913608] lkdtm_REFCOUNT_INC_ZERO+0xa8/0xd8 [ 155.918063] lkdtm_do_action+0x24/0x40 [ 155.921819] direct_entry+0xd4/0x140 [ 155.925405] full_proxy_write+0x6c/0xc0 [ 155.929249] vfs_write+0xf0/0x210 [ 155.932570] ksys_write+0x74/0x100 [ 155.935978] __arm64_sys_write+0x28/0x34 [ 155.939911] el0_svc_common.constprop.0+0x84/0x1e0 [ 155.944713] do_el0_svc+0x30/0xa0 [ 155.948036] el0_svc+0x20/0x30 [ 155.951096] el0_sync_handler+0x1a4/0x1b0 [ 155.955114] el0_sync+0x180/0x1c0 [ 155.958435] irq event stamp: 0 [ 155.961497] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 155.967781] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 [ 155.975978] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 [ 155.984171] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 155.990449] ---[ end trace 2c82367ade12ce6f ]--- [ 155.995243] lkdtm: Zero detected: saturated # [ 155.735513] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 155.741258] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 155.747686] lkdtm: Good: zero detected # [ 155.751496] lkdtm: Correctly stayed at zero # [ 155.755742] lkdtm: attempting bad refcount_inc() from zero # [ 155.761363] ------------[ cut here ]------------ # [ 155.766072] refcount_t: addition on 0; use-after-free. # [ 155.771448] WARNING: CPU: 1 PID: 2483 at lib/refcount.c:25 refcount_warn_saturate+0xa0/0x144 # [ 155.779906] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 155.789379] CPU: 1 PID: 2483 Comm: cat Tainted: G D W 5.10.136-cip14 #1 # [ 155.797137] Hardware name: ARM Juno development board (r0) (DT) # [ 155.803071] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 155.809093] pc : refcount_warn_saturate+0xa0/0x144 # [ 155.813895] lr : refcount_warn_saturate+0xa0/0x144 # [ 155.818693] sp : ffff80001666bcd0 # [ 155.822013] x29: ffff80001666bcd0 x28: ffff0008050db100 # [ 155.827346] x27: 0000000000000000 x26: 0000000000000000 # [ 155.832678] x25: ffff800011520830 x24: ffff80001666be20 # [ 155.838009] x23: 0000000000000012 x22: ffff000802a64000 # [ 155.843340] x21: ffff800011a36390 x20: ffff800011520b60 # [ 155.848672] x19: 0000000000000033 x18: 0000000000000000 # [ 155.854003] x17: 0000000000000000 x16: 0000000000000000 # [ 155.859334] x15: 0000000000000151 x14: 0000000000000076 # [ 155.864665] x13: 00000000000004d7 x12: 071c71c71c71c71c # [ 155.869996] x11: 00000000000004d7 x10: 0000000000001440 # [ 155.875327] x9 : ffff800010132304 x8 : ffff00097efdc7c0 # [ 155.880658] x7 : ffff0008050db100 x6 : ffff8000125a1000 # [ 155.885989] x5 : ffff8000125a1c88 x4 : ffff00097ef2cc50 # [ 155.891320] x3 : 0000000000000000 x2 : 0000000000000000 # [ 155.896651] x1 : 0000000000000000 x0 : ffff0008050db100 # [ 155.901982] Call trace: # [ 155.904436] refcount_warn_saturate+0xa0/0x144 # [ 155.908892] __refcount_add.constprop.0+0x54/0x80 # [ 155.913608] lkdtm_REFCOUNT_INC_ZERO+0xa8/0xd8 # [ 155.918063] lkdtm_do_action+0x24/0x40 # [ 155.921819] direct_entry+0xd4/0x140 # [ 155.925405] full_proxy_write+0x6c/0xc0 # [ 155.929249] vfs_write+0xf0/0x210 # [ 155.932570] ksys_write+0x74/0x100 # [ 155.935978] __arm64_sys_write+0x28/0x34 # [ 155.939911] el0_svc_common.constprop.0+0x84/0x1e0 # [ 155.944713] do_el0_svc+0x30/0xa0 # [ 155.948036] el0_svc+0x20/0x30 # [ 155.951096] el0_sync_handler+0x1a4/0x1b0 # [ 155.955114] el0_sync+0x180/0x1c0 # [ 155.958435] irq event stamp: 0 # [ 155.961497] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 155.967781] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 # [ 155.975978] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 # [ 155.984171] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 155.990449] ---[ end trace 2c82367ade12ce6f ]--- # [ 155.995243] 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 [ 156.444211] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO [ 156.449944] lkdtm: attempting safe refcount_add_not_zero() from zero [ 156.456379] lkdtm: Good: zero detected [ 156.460198] lkdtm: Correctly stayed at zero [ 156.464448] lkdtm: attempting bad refcount_add() from zero [ 156.470069] ------------[ cut here ]------------ [ 156.474859] refcount_t: addition on 0; use-after-free. [ 156.480115] WARNING: CPU: 1 PID: 2515 at lib/refcount.c:25 refcount_warn_saturate+0xa0/0x144 [ 156.488570] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 156.498044] CPU: 1 PID: 2515 Comm: cat Tainted: G D W 5.10.136-cip14 #1 [ 156.505802] Hardware name: ARM Juno development board (r0) (DT) [ 156.511736] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 156.517757] pc : refcount_warn_saturate+0xa0/0x144 [ 156.522560] lr : refcount_warn_saturate+0xa0/0x144 [ 156.527358] sp : ffff8000166fbcd0 [ 156.530678] x29: ffff8000166fbcd0 x28: ffff000800c11880 [ 156.536012] x27: 0000000000000000 x26: 0000000000000000 [ 156.541344] x25: ffff800011520830 x24: ffff8000166fbe20 [ 156.546675] x23: 0000000000000012 x22: ffff000804fca000 [ 156.552006] x21: ffff800011a363a8 x20: ffff800011520b70 [ 156.557337] x19: 0000000000000034 x18: 0000000000000000 [ 156.562668] x17: 0000000000000000 x16: 0000000000000000 [ 156.567999] x15: 0000000000000030 x14: ffffffffffffffff [ 156.573330] x13: ffff8000966fb977 x12: ffff8000166fb97f [ 156.578661] x11: 0000000000000e8d x10: ffff800012628250 [ 156.583993] x9 : ffff800010132304 x8 : ffff8000125d0250 [ 156.589324] x7 : ffff800012628250 x6 : ffff8000125a1000 [ 156.594655] x5 : ffff8000125a1c88 x4 : ffff00097ef2cc50 [ 156.599986] x3 : 0000000000000000 x2 : 0000000000000000 [ 156.605316] x1 : 0000000000000000 x0 : ffff000800c11880 [ 156.610647] Call trace: [ 156.613101] refcount_warn_saturate+0xa0/0x144 [ 156.617557] __refcount_add.constprop.0+0x54/0x80 [ 156.622273] lkdtm_REFCOUNT_ADD_ZERO+0xa8/0xd8 [ 156.626728] lkdtm_do_action+0x24/0x40 [ 156.630484] direct_entry+0xd4/0x140 [ 156.634069] full_proxy_write+0x6c/0xc0 [ 156.637914] vfs_write+0xf0/0x210 [ 156.641235] ksys_write+0x74/0x100 [ 156.644643] __arm64_sys_write+0x28/0x34 [ 156.648576] el0_svc_common.constprop.0+0x84/0x1e0 [ 156.653378] do_el0_svc+0x30/0xa0 [ 156.656700] el0_svc+0x20/0x30 [ 156.659760] el0_sync_handler+0x1a4/0x1b0 [ 156.663778] el0_sync+0x180/0x1c0 [ 156.667097] irq event stamp: 0 [ 156.670160] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 156.676444] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 [ 156.684641] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 [ 156.692835] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 156.699113] ---[ end trace 2c82367ade12ce70 ]--- [ 156.703805] lkdtm: Zero detected: saturated # [ 156.444211] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 156.449944] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 156.456379] lkdtm: Good: zero detected # [ 156.460198] lkdtm: Correctly stayed at zero # [ 156.464448] lkdtm: attempting bad refcount_add() from zero # [ 156.470069] ------------[ cut here ]------------ # [ 156.474859] refcount_t: addition on 0; use-after-free. # [ 156.480115] WARNING: CPU: 1 PID: 2515 at lib/refcount.c:25 refcount_warn_saturate+0xa0/0x144 # [ 156.488570] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 156.498044] CPU: 1 PID: 2515 Comm: cat Tainted: G D W 5.10.136-cip14 #1 # [ 156.505802] Hardware name: ARM Juno development board (r0) (DT) # [ 156.511736] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 156.517757] pc : refcount_warn_saturate+0xa0/0x144 # [ 156.522560] lr : refcount_warn_saturate+0xa0/0x144 # [ 156.527358] sp : ffff8000166fbcd0 # [ 156.530678] x29: ffff8000166fbcd0 x28: ffff000800c11880 # [ 156.536012] x27: 0000000000000000 x26: 0000000000000000 # [ 156.541344] x25: ffff800011520830 x24: ffff8000166fbe20 # [ 156.546675] x23: 0000000000000012 x22: ffff000804fca000 # [ 156.552006] x21: ffff800011a363a8 x20: ffff800011520b70 # [ 156.557337] x19: 0000000000000034 x18: 0000000000000000 # [ 156.562668] x17: 0000000000000000 x16: 0000000000000000 # [ 156.567999] x15: 0000000000000030 x14: ffffffffffffffff # [ 156.573330] x13: ffff8000966fb977 x12: ffff8000166fb97f # [ 156.578661] x11: 0000000000000e8d x10: ffff800012628250 # [ 156.583993] x9 : ffff800010132304 x8 : ffff8000125d0250 # [ 156.589324] x7 : ffff800012628250 x6 : ffff8000125a1000 # [ 156.594655] x5 : ffff8000125a1c88 x4 : ffff00097ef2cc50 # [ 156.599986] x3 : 0000000000000000 x2 : 0000000000000000 # [ 156.605316] x1 : 0000000000000000 x0 : ffff000800c11880 # [ 156.610647] Call trace: # [ 156.613101] refcount_warn_saturate+0xa0/0x144 # [ 156.617557] __refcount_add.constprop.0+0x54/0x80 # [ 156.622273] lkdtm_REFCOUNT_ADD_ZERO+0xa8/0xd8 # [ 156.626728] lkdtm_do_action+0x24/0x40 # [ 156.630484] direct_entry+0xd4/0x140 # [ 156.634069] full_proxy_write+0x6c/0xc0 # [ 156.637914] vfs_write+0xf0/0x210 # [ 156.641235] ksys_write+0x74/0x100 # [ 156.644643] __arm64_sys_write+0x28/0x34 # [ 156.648576] el0_svc_common.constprop.0+0x84/0x1e0 # [ 156.653378] do_el0_svc+0x30/0xa0 # [ 156.656700] el0_svc+0x20/0x30 # [ 156.659760] el0_sync_handler+0x1a4/0x1b0 # [ 156.663778] el0_sync+0x180/0x1c0 # [ 156.667097] irq event stamp: 0 # [ 156.670160] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 156.676444] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 # [ 156.684641] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 # [ 156.692835] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 156.699113] ---[ end trace 2c82367ade12ce70 ]--- # [ 156.703805] 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 [ 157.217430] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED [ 157.223624] lkdtm: attempting bad refcount_inc() from saturated [ 157.229788] ------------[ cut here ]------------ [ 157.234501] refcount_t: saturated; leaking memory. [ 157.239531] WARNING: CPU: 5 PID: 2550 at lib/refcount.c:22 refcount_warn_saturate+0x74/0x144 [ 157.247992] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 157.257495] CPU: 5 PID: 2550 Comm: cat Tainted: G D W 5.10.136-cip14 #1 [ 157.265258] Hardware name: ARM Juno development board (r0) (DT) [ 157.271199] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 157.277228] pc : refcount_warn_saturate+0x74/0x144 [ 157.282036] lr : refcount_warn_saturate+0x74/0x144 [ 157.286840] sp : ffff800016793cd0 [ 157.290165] x29: ffff800016793cd0 x28: ffff00080578c980 [ 157.295507] x27: 0000000000000000 x26: 0000000000000000 [ 157.300849] x25: ffff800011520830 x24: ffff800016793e20 [ 157.306190] x23: 0000000000000017 x22: ffff000806516000 [ 157.311532] x21: ffff800011a363c0 x20: ffff800011520b80 [ 157.316873] x19: 0000000000000035 x18: 0000000000000000 [ 157.322214] x17: 0000000000000000 x16: 0000000000000000 [ 157.327555] x15: 0000000000000030 x14: ffffffffffffffff [ 157.332896] x13: ffff800096793977 x12: ffff80001679397f [ 157.338238] x11: 0000000000000030 x10: ffff800012628250 [ 157.343579] x9 : ffff800010132304 x8 : ffff8000125d0250 [ 157.348920] x7 : ffff800012628250 x6 : ffff8000125a1000 [ 157.354261] x5 : ffff8000125a1c88 x4 : ffff00097efb4c50 [ 157.359603] x3 : 0000000000000000 x2 : 0000000000000000 [ 157.364943] x1 : 0000000000000000 x0 : ffff00080578c980 [ 157.370285] Call trace: [ 157.372746] refcount_warn_saturate+0x74/0x144 [ 157.377208] __refcount_add.constprop.0+0x6c/0x80 [ 157.381931] lkdtm_REFCOUNT_INC_SATURATED+0x48/0x78 [ 157.386828] lkdtm_do_action+0x24/0x40 [ 157.390590] direct_entry+0xd4/0x140 [ 157.394182] full_proxy_write+0x6c/0xc0 [ 157.398033] vfs_write+0xf0/0x210 [ 157.401361] ksys_write+0x74/0x100 [ 157.404775] __arm64_sys_write+0x28/0x34 [ 157.408715] el0_svc_common.constprop.0+0x84/0x1e0 [ 157.413523] do_el0_svc+0x30/0xa0 [ 157.416854] el0_svc+0x20/0x30 [ 157.419920] el0_sync_handler+0x1a4/0x1b0 [ 157.423944] el0_sync+0x180/0x1c0 [ 157.427269] irq event stamp: 0 [ 157.430338] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 157.436629] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 [ 157.444833] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 [ 157.453034] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 157.459318] ---[ end trace 2c82367ade12ce71 ]--- [ 157.464251] lkdtm: Saturation detected: still saturated # [ 157.217430] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 157.223624] lkdtm: attempting bad refcount_inc() from saturated # [ 157.229788] ------------[ cut here ]------------ # [ 157.234501] refcount_t: saturated; leaking memory. # [ 157.239531] WARNING: CPU: 5 PID: 2550 at lib/refcount.c:22 refcount_warn_saturate+0x74/0x144 # [ 157.247992] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 157.257495] CPU: 5 PID: 2550 Comm: cat Tainted: G D W 5.10.136-cip14 #1 # [ 157.265258] Hardware name: ARM Juno development board (r0) (DT) # [ 157.271199] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 157.277228] pc : refcount_warn_saturate+0x74/0x144 # [ 157.282036] lr : refcount_warn_saturate+0x74/0x144 # [ 157.286840] sp : ffff800016793cd0 # [ 157.290165] x29: ffff800016793cd0 x28: ffff00080578c980 # [ 157.295507] x27: 0000000000000000 x26: 0000000000000000 # [ 157.300849] x25: ffff800011520830 x24: ffff800016793e20 # [ 157.306190] x23: 0000000000000017 x22: ffff000806516000 # [ 157.311532] x21: ffff800011a363c0 x20: ffff800011520b80 # [ 157.316873] x19: 0000000000000035 x18: 0000000000000000 # [ 157.322214] x17: 0000000000000000 x16: 0000000000000000 # [ 157.327555] x15: 0000000000000030 x14: ffffffffffffffff # [ 157.332896] x13: ffff800096793977 x12: ffff80001679397f # [ 157.338238] x11: 0000000000000030 x10: ffff800012628250 # [ 157.343579] x9 : ffff800010132304 x8 : ffff8000125d0250 # [ 157.348920] x7 : ffff800012628250 x6 : ffff8000125a1000 # [ 157.354261] x5 : ffff8000125a1c88 x4 : ffff00097efb4c50 # [ 157.359603] x3 : 0000000000000000 x2 : 0000000000000000 # [ 157.364943] x1 : 0000000000000000 x0 : ffff00080578c980 # [ 157.370285] Call trace: # [ 157.372746] refcount_warn_saturate+0x74/0x144 # [ 157.377208] __refcount_add.constprop.0+0x6c/0x80 # [ 157.381931] lkdtm_REFCOUNT_INC_SATURATED+0x48/0x78 # [ 157.386828] lkdtm_do_action+0x24/0x40 # [ 157.390590] direct_entry+0xd4/0x140 # [ 157.394182] full_proxy_write+0x6c/0xc0 # [ 157.398033] vfs_write+0xf0/0x210 # [ 157.401361] ksys_write+0x74/0x100 # [ 157.404775] __arm64_sys_write+0x28/0x34 # [ 157.408715] el0_svc_common.constprop.0+0x84/0x1e0 # [ 157.413523] do_el0_svc+0x30/0xa0 # [ 157.416854] el0_svc+0x20/0x30 # [ 157.419920] el0_sync_handler+0x1a4/0x1b0 # [ 157.423944] el0_sync+0x180/0x1c0 # [ 157.427269] irq event stamp: 0 # [ 157.430338] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 157.436629] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 # [ 157.444833] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 # [ 157.453034] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 157.459318] ---[ end trace 2c82367ade12ce71 ]--- # [ 157.464251] 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 [ 157.939118] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED [ 157.945287] lkdtm: attempting bad refcount_dec() from saturated [ 157.951297] ------------[ cut here ]------------ [ 157.955983] refcount_t: decrement hit 0; leaking memory. [ 157.961503] WARNING: CPU: 3 PID: 2585 at lib/refcount.c:31 refcount_warn_saturate+0x13c/0x144 [ 157.970053] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 157.979556] CPU: 3 PID: 2585 Comm: cat Tainted: G D W 5.10.136-cip14 #1 [ 157.987318] Hardware name: ARM Juno development board (r0) (DT) [ 157.993258] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 157.999287] pc : refcount_warn_saturate+0x13c/0x144 [ 158.004183] lr : refcount_warn_saturate+0x13c/0x144 [ 158.009074] sp : ffff800016823cc0 [ 158.012399] x29: ffff800016823cc0 x28: ffff000807be1880 [ 158.017741] x27: 0000000000000000 x26: 0000000000000000 [ 158.023082] x25: ffff800011520830 x24: ffff800016823e20 [ 158.028423] x23: 0000000000000017 x22: ffff000804207000 [ 158.033765] x21: ffff800011a363d8 x20: ffff800011520b90 [ 158.039106] x19: ffff800016823d04 x18: 0000000000000000 [ 158.044447] x17: 0000000000000000 x16: 0000000000000000 [ 158.049788] x15: 0000000000000030 x14: ffffffffffffffff [ 158.055129] x13: ffff800096823967 x12: ffff80001682396f [ 158.060470] x11: 0000000000000030 x10: 0000000000001440 [ 158.065811] x9 : ffff800010132304 x8 : ffff000807be2d20 [ 158.071152] x7 : 0000000000000000 x6 : ffff8000125a1000 [ 158.076493] x5 : ffff8000125a1c88 x4 : ffff00097ef70c50 [ 158.081834] x3 : 0000000000000000 x2 : 0000000000000000 [ 158.087175] x1 : 0000000000000000 x0 : ffff000807be1880 [ 158.092516] Call trace: [ 158.094976] refcount_warn_saturate+0x13c/0x144 [ 158.099526] __refcount_dec.constprop.0+0x4c/0x5c [ 158.104247] lkdtm_REFCOUNT_DEC_SATURATED+0x44/0x74 [ 158.109144] lkdtm_do_action+0x24/0x40 [ 158.112907] direct_entry+0xd4/0x140 [ 158.116498] full_proxy_write+0x6c/0xc0 [ 158.120349] vfs_write+0xf0/0x210 [ 158.123677] ksys_write+0x74/0x100 [ 158.127092] __arm64_sys_write+0x28/0x34 [ 158.131032] el0_svc_common.constprop.0+0x84/0x1e0 [ 158.135840] do_el0_svc+0x30/0xa0 [ 158.139169] el0_svc+0x20/0x30 [ 158.142235] el0_sync_handler+0x1a4/0x1b0 [ 158.146258] el0_sync+0x180/0x1c0 [ 158.149584] irq event stamp: 0 [ 158.152654] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 158.158944] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 [ 158.167148] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 [ 158.175349] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 158.181633] ---[ end trace 2c82367ade12ce72 ]--- [ 158.186447] lkdtm: Saturation detected: still saturated # [ 157.939118] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 157.945287] lkdtm: attempting bad refcount_dec() from saturated # [ 157.951297] ------------[ cut here ]------------ # [ 157.955983] refcount_t: decrement hit 0; leaking memory. # [ 157.961503] WARNING: CPU: 3 PID: 2585 at lib/refcount.c:31 refcount_warn_saturate+0x13c/0x144 # [ 157.970053] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 157.979556] CPU: 3 PID: 2585 Comm: cat Tainted: G D W 5.10.136-cip14 #1 # [ 157.987318] Hardware name: ARM Juno development board (r0) (DT) # [ 157.993258] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 157.999287] pc : refcount_warn_saturate+0x13c/0x144 # [ 158.004183] lr : refcount_warn_saturate+0x13c/0x144 # [ 158.009074] sp : ffff800016823cc0 # [ 158.012399] x29: ffff800016823cc0 x28: ffff000807be1880 # [ 158.017741] x27: 0000000000000000 x26: 0000000000000000 # [ 158.023082] x25: ffff800011520830 x24: ffff800016823e20 # [ 158.028423] x23: 0000000000000017 x22: ffff000804207000 # [ 158.033765] x21: ffff800011a363d8 x20: ffff800011520b90 # [ 158.039106] x19: ffff800016823d04 x18: 0000000000000000 # [ 158.044447] x17: 0000000000000000 x16: 0000000000000000 # [ 158.049788] x15: 0000000000000030 x14: ffffffffffffffff # [ 158.055129] x13: ffff800096823967 x12: ffff80001682396f # [ 158.060470] x11: 0000000000000030 x10: 0000000000001440 # [ 158.065811] x9 : ffff800010132304 x8 : ffff000807be2d20 # [ 158.071152] x7 : 0000000000000000 x6 : ffff8000125a1000 # [ 158.076493] x5 : ffff8000125a1c88 x4 : ffff00097ef70c50 # [ 158.081834] x3 : 0000000000000000 x2 : 0000000000000000 # [ 158.087175] x1 : 0000000000000000 x0 : ffff000807be1880 # [ 158.092516] Call trace: # [ 158.094976] refcount_warn_saturate+0x13c/0x144 # [ 158.099526] __refcount_dec.constprop.0+0x4c/0x5c # [ 158.104247] lkdtm_REFCOUNT_DEC_SATURATED+0x44/0x74 # [ 158.109144] lkdtm_do_action+0x24/0x40 # [ 158.112907] direct_entry+0xd4/0x140 # [ 158.116498] full_proxy_write+0x6c/0xc0 # [ 158.120349] vfs_write+0xf0/0x210 # [ 158.123677] ksys_write+0x74/0x100 # [ 158.127092] __arm64_sys_write+0x28/0x34 # [ 158.131032] el0_svc_common.constprop.0+0x84/0x1e0 # [ 158.135840] do_el0_svc+0x30/0xa0 # [ 158.139169] el0_svc+0x20/0x30 # [ 158.142235] el0_sync_handler+0x1a4/0x1b0 # [ 158.146258] el0_sync+0x180/0x1c0 # [ 158.149584] irq event stamp: 0 # [ 158.152654] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 158.158944] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 # [ 158.167148] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 # [ 158.175349] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 158.181633] ---[ end trace 2c82367ade12ce72 ]--- # [ 158.186447] 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 [ 158.680141] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED [ 158.686322] lkdtm: attempting bad refcount_dec() from saturated [ 158.692321] ------------[ cut here ]------------ [ 158.697005] refcount_t: saturated; leaking memory. [ 158.701935] WARNING: CPU: 4 PID: 2620 at lib/refcount.c:22 refcount_warn_saturate+0x74/0x144 [ 158.710397] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 158.719900] CPU: 4 PID: 2620 Comm: cat Tainted: G D W 5.10.136-cip14 #1 [ 158.727663] Hardware name: ARM Juno development board (r0) (DT) [ 158.733602] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 158.739632] pc : refcount_warn_saturate+0x74/0x144 [ 158.744441] lr : refcount_warn_saturate+0x74/0x144 [ 158.749244] sp : ffff8000168abcd0 [ 158.752569] x29: ffff8000168abcd0 x28: ffff000804fdb100 [ 158.757911] x27: 0000000000000000 x26: 0000000000000000 [ 158.763253] x25: ffff800011520830 x24: ffff8000168abe20 [ 158.768594] x23: 0000000000000017 x22: ffff000807832000 [ 158.773935] x21: ffff800011a363f0 x20: ffff800011520ba0 [ 158.779277] x19: 0000000000000037 x18: 0000000000000000 [ 158.784618] x17: 0000000000000000 x16: 0000000000000000 [ 158.789958] x15: 0000000000000030 x14: ffffffffffffffff [ 158.795300] x13: ffff8000968ab977 x12: ffff8000168ab97f [ 158.800641] x11: 0000000000000030 x10: ffff800012628250 [ 158.805982] x9 : ffff800010132304 x8 : ffff8000125d0250 [ 158.811324] x7 : ffff800012628250 x6 : ffff8000125a1000 [ 158.816664] x5 : ffff8000125a1c88 x4 : ffff00097ef92c50 [ 158.822005] x3 : 0000000000000000 x2 : 0000000000000000 [ 158.827346] x1 : 0000000000000000 x0 : ffff000804fdb100 [ 158.832687] Call trace: [ 158.835148] refcount_warn_saturate+0x74/0x144 [ 158.839611] __refcount_add.constprop.0+0x6c/0x80 [ 158.844334] lkdtm_REFCOUNT_ADD_SATURATED+0x48/0x78 [ 158.849230] lkdtm_do_action+0x24/0x40 [ 158.852992] direct_entry+0xd4/0x140 [ 158.856584] full_proxy_write+0x6c/0xc0 [ 158.860435] vfs_write+0xf0/0x210 [ 158.863762] ksys_write+0x74/0x100 [ 158.867177] __arm64_sys_write+0x28/0x34 [ 158.871117] el0_svc_common.constprop.0+0x84/0x1e0 [ 158.875925] do_el0_svc+0x30/0xa0 [ 158.879255] el0_svc+0x20/0x30 [ 158.882321] el0_sync_handler+0x1a4/0x1b0 [ 158.886345] el0_sync+0x180/0x1c0 [ 158.889671] irq event stamp: 0 [ 158.892740] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 158.899031] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 [ 158.907235] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 [ 158.915436] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 158.921720] ---[ end trace 2c82367ade12ce73 ]--- [ 158.926785] lkdtm: Saturation detected: still saturated # [ 158.680141] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 158.686322] lkdtm: attempting bad refcount_dec() from saturated # [ 158.692321] ------------[ cut here ]------------ # [ 158.697005] refcount_t: saturated; leaking memory. # [ 158.701935] WARNING: CPU: 4 PID: 2620 at lib/refcount.c:22 refcount_warn_saturate+0x74/0x144 # [ 158.710397] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 158.719900] CPU: 4 PID: 2620 Comm: cat Tainted: G D W 5.10.136-cip14 #1 # [ 158.727663] Hardware name: ARM Juno development board (r0) (DT) # [ 158.733602] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 158.739632] pc : refcount_warn_saturate+0x74/0x144 # [ 158.744441] lr : refcount_warn_saturate+0x74/0x144 # [ 158.749244] sp : ffff8000168abcd0 # [ 158.752569] x29: ffff8000168abcd0 x28: ffff000804fdb100 # [ 158.757911] x27: 0000000000000000 x26: 0000000000000000 # [ 158.763253] x25: ffff800011520830 x24: ffff8000168abe20 # [ 158.768594] x23: 0000000000000017 x22: ffff000807832000 # [ 158.773935] x21: ffff800011a363f0 x20: ffff800011520ba0 # [ 158.779277] x19: 0000000000000037 x18: 0000000000000000 # [ 158.784618] x17: 0000000000000000 x16: 0000000000000000 # [ 158.789958] x15: 0000000000000030 x14: ffffffffffffffff # [ 158.795300] x13: ffff8000968ab977 x12: ffff8000168ab97f # [ 158.800641] x11: 0000000000000030 x10: ffff800012628250 # [ 158.805982] x9 : ffff800010132304 x8 : ffff8000125d0250 # [ 158.811324] x7 : ffff800012628250 x6 : ffff8000125a1000 # [ 158.816664] x5 : ffff8000125a1c88 x4 : ffff00097ef92c50 # [ 158.822005] x3 : 0000000000000000 x2 : 0000000000000000 # [ 158.827346] x1 : 0000000000000000 x0 : ffff000804fdb100 # [ 158.832687] Call trace: # [ 158.835148] refcount_warn_saturate+0x74/0x144 # [ 158.839611] __refcount_add.constprop.0+0x6c/0x80 # [ 158.844334] lkdtm_REFCOUNT_ADD_SATURATED+0x48/0x78 # [ 158.849230] lkdtm_do_action+0x24/0x40 # [ 158.852992] direct_entry+0xd4/0x140 # [ 158.856584] full_proxy_write+0x6c/0xc0 # [ 158.860435] vfs_write+0xf0/0x210 # [ 158.863762] ksys_write+0x74/0x100 # [ 158.867177] __arm64_sys_write+0x28/0x34 # [ 158.871117] el0_svc_common.constprop.0+0x84/0x1e0 # [ 158.875925] do_el0_svc+0x30/0xa0 # [ 158.879255] el0_svc+0x20/0x30 # [ 158.882321] el0_sync_handler+0x1a4/0x1b0 # [ 158.886345] el0_sync+0x180/0x1c0 # [ 158.889671] irq event stamp: 0 # [ 158.892740] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 158.899031] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 # [ 158.907235] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 # [ 158.915436] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 158.921720] ---[ end trace 2c82367ade12ce73 ]--- # [ 158.926785] 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 [ 159.414022] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED [ 159.421011] lkdtm: attempting bad refcount_inc_not_zero() from saturated [ 159.427809] ------------[ cut here ]------------ [ 159.432499] refcount_t: saturated; leaking memory. [ 159.437497] WARNING: CPU: 0 PID: 2652 at lib/refcount.c:19 refcount_warn_saturate+0xc8/0x144 [ 159.445964] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 159.455466] CPU: 0 PID: 2652 Comm: cat Tainted: G D W 5.10.136-cip14 #1 [ 159.463229] Hardware name: ARM Juno development board (r0) (DT) [ 159.469169] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 159.475197] pc : refcount_warn_saturate+0xc8/0x144 [ 159.480006] lr : refcount_warn_saturate+0xc8/0x144 [ 159.484810] sp : ffff80001695bcb0 [ 159.488135] x29: ffff80001695bcb0 x28: ffff0008028b4980 [ 159.493477] x27: 0000000000000000 x26: 0000000000000000 [ 159.498818] x25: ffff800011520830 x24: ffff80001695be20 [ 159.504159] x23: 0000000000000020 x22: ffff000804bb3000 [ 159.509500] x21: 0000000000000001 x20: 00000000c0000000 [ 159.514842] x19: ffff80001695bd04 x18: 0000000000000000 [ 159.520183] x17: 0000000000000000 x16: 0000000000000000 [ 159.525524] x15: 0000000000000030 x14: ffffffffffffffff [ 159.530865] x13: ffff80009695b957 x12: ffff80001695b95f [ 159.536206] x11: 0000000000000038 x10: 0000000000001440 [ 159.541547] x9 : ffff800010132304 x8 : ffff0008028b5e20 [ 159.546887] x7 : 0000000000000000 x6 : ffff8000125a1000 [ 159.552228] x5 : ffff8000125a1c88 x4 : ffff00097ef0ac50 [ 159.557570] x3 : 0000000000000000 x2 : 0000000000000000 [ 159.562911] x1 : 0000000000000000 x0 : ffff0008028b4980 [ 159.568252] Call trace: [ 159.570712] refcount_warn_saturate+0xc8/0x144 [ 159.575175] __refcount_add_not_zero.constprop.0+0x84/0xa0 [ 159.580679] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x4c/0x90 [ 159.586360] lkdtm_do_action+0x24/0x40 [ 159.590122] direct_entry+0xd4/0x140 [ 159.593714] full_proxy_write+0x6c/0xc0 [ 159.597565] vfs_write+0xf0/0x210 [ 159.600893] ksys_write+0x74/0x100 [ 159.604307] __arm64_sys_write+0x28/0x34 [ 159.608247] el0_svc_common.constprop.0+0x84/0x1e0 [ 159.613055] do_el0_svc+0x30/0xa0 [ 159.616384] el0_svc+0x20/0x30 [ 159.619450] el0_sync_handler+0x1a4/0x1b0 [ 159.623475] el0_sync+0x180/0x1c0 [ 159.626800] irq event stamp: 0 [ 159.629869] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 159.636160] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 [ 159.644364] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 [ 159.652565] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 159.658849] ---[ end trace 2c82367ade12ce74 ]--- [ 159.663871] lkdtm: Saturation detected: still saturated # [ 159.414022] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 159.421011] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 159.427809] ------------[ cut here ]------------ # [ 159.432499] refcount_t: saturated; leaking memory. # [ 159.437497] WARNING: CPU: 0 PID: 2652 at lib/refcount.c:19 refcount_warn_saturate+0xc8/0x144 # [ 159.445964] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 159.455466] CPU: 0 PID: 2652 Comm: cat Tainted: G D W 5.10.136-cip14 #1 # [ 159.463229] Hardware name: ARM Juno development board (r0) (DT) # [ 159.469169] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 159.475197] pc : refcount_warn_saturate+0xc8/0x144 # [ 159.480006] lr : refcount_warn_saturate+0xc8/0x144 # [ 159.484810] sp : ffff80001695bcb0 # [ 159.488135] x29: ffff80001695bcb0 x28: ffff0008028b4980 # [ 159.493477] x27: 0000000000000000 x26: 0000000000000000 # [ 159.498818] x25: ffff800011520830 x24: ffff80001695be20 # [ 159.504159] x23: 0000000000000020 x22: ffff000804bb3000 # [ 159.509500] x21: 0000000000000001 x20: 00000000c0000000 # [ 159.514842] x19: ffff80001695bd04 x18: 0000000000000000 # [ 159.520183] x17: 0000000000000000 x16: 0000000000000000 # [ 159.525524] x15: 0000000000000030 x14: ffffffffffffffff # [ 159.530865] x13: ffff80009695b957 x12: ffff80001695b95f # [ 159.536206] x11: 0000000000000038 x10: 0000000000001440 # [ 159.541547] x9 : ffff800010132304 x8 : ffff0008028b5e20 # [ 159.546887] x7 : 0000000000000000 x6 : ffff8000125a1000 # [ 159.552228] x5 : ffff8000125a1c88 x4 : ffff00097ef0ac50 # [ 159.557570] x3 : 0000000000000000 x2 : 0000000000000000 # [ 159.562911] x1 : 0000000000000000 x0 : ffff0008028b4980 # [ 159.568252] Call trace: # [ 159.570712] refcount_warn_saturate+0xc8/0x144 # [ 159.575175] __refcount_add_not_zero.constprop.0+0x84/0xa0 # [ 159.580679] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x4c/0x90 # [ 159.586360] lkdtm_do_action+0x24/0x40 # [ 159.590122] direct_entry+0xd4/0x140 # [ 159.593714] full_proxy_write+0x6c/0xc0 # [ 159.597565] vfs_write+0xf0/0x210 # [ 159.600893] ksys_write+0x74/0x100 # [ 159.604307] __arm64_sys_write+0x28/0x34 # [ 159.608247] el0_svc_common.constprop.0+0x84/0x1e0 # [ 159.613055] do_el0_svc+0x30/0xa0 # [ 159.616384] el0_svc+0x20/0x30 # [ 159.619450] el0_sync_handler+0x1a4/0x1b0 # [ 159.623475] el0_sync+0x180/0x1c0 # [ 159.626800] irq event stamp: 0 # [ 159.629869] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 159.636160] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 # [ 159.644364] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 # [ 159.652565] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 159.658849] ---[ end trace 2c82367ade12ce74 ]--- # [ 159.663871] 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 [ 160.186861] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED [ 160.193813] lkdtm: attempting bad refcount_add_not_zero() from saturated [ 160.200601] ------------[ cut here ]------------ [ 160.205285] refcount_t: saturated; leaking memory. [ 160.210322] WARNING: CPU: 3 PID: 2684 at lib/refcount.c:19 refcount_warn_saturate+0xc8/0x144 [ 160.218785] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 160.228288] CPU: 3 PID: 2684 Comm: cat Tainted: G D W 5.10.136-cip14 #1 [ 160.236051] Hardware name: ARM Juno development board (r0) (DT) [ 160.241991] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 160.248019] pc : refcount_warn_saturate+0xc8/0x144 [ 160.252828] lr : refcount_warn_saturate+0xc8/0x144 [ 160.257631] sp : ffff800016a13cb0 [ 160.260956] x29: ffff800016a13cb0 x28: ffff000804fd8000 [ 160.266298] x27: 0000000000000000 x26: 0000000000000000 [ 160.271639] x25: ffff800011520830 x24: ffff800016a13e20 [ 160.276981] x23: 0000000000000020 x22: ffff000802afd000 [ 160.282322] x21: 0000000000000007 x20: 00000000c0000000 [ 160.287663] x19: ffff800016a13d04 x18: 0000000000000000 [ 160.293004] x17: 0000000000000000 x16: 0000000000000000 [ 160.298344] x15: 0000000000000030 x14: ffffffffffffffff [ 160.303685] x13: ffff800096a13957 x12: ffff800016a1395f [ 160.309026] x11: 0000000000000038 x10: 0000000000001440 [ 160.314368] x9 : ffff800010132304 x8 : ffff000804fd94a0 [ 160.319709] x7 : 0000000000000000 x6 : ffff8000125a1000 [ 160.325050] x5 : ffff8000125a1c88 x4 : ffff00097ef70c50 [ 160.330391] x3 : 0000000000000000 x2 : 0000000000000000 [ 160.335731] x1 : 0000000000000000 x0 : ffff000804fd8000 [ 160.341072] Call trace: [ 160.343533] refcount_warn_saturate+0xc8/0x144 [ 160.347995] __refcount_add_not_zero.constprop.0+0x84/0xa0 [ 160.353500] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x4c/0x90 [ 160.359180] lkdtm_do_action+0x24/0x40 [ 160.362942] direct_entry+0xd4/0x140 [ 160.366534] full_proxy_write+0x6c/0xc0 [ 160.370385] vfs_write+0xf0/0x210 [ 160.373713] ksys_write+0x74/0x100 [ 160.377127] __arm64_sys_write+0x28/0x34 [ 160.381068] el0_svc_common.constprop.0+0x84/0x1e0 [ 160.385876] do_el0_svc+0x30/0xa0 [ 160.389205] el0_svc+0x20/0x30 [ 160.392272] el0_sync_handler+0x1a4/0x1b0 [ 160.396296] el0_sync+0x180/0x1c0 [ 160.399622] irq event stamp: 0 [ 160.402691] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 160.408982] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 [ 160.417186] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 [ 160.425387] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 160.431670] ---[ end trace 2c82367ade12ce75 ]--- [ 160.436729] lkdtm: Saturation detected: still saturated # [ 160.186861] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 160.193813] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 160.200601] ------------[ cut here ]------------ # [ 160.205285] refcount_t: saturated; leaking memory. # [ 160.210322] WARNING: CPU: 3 PID: 2684 at lib/refcount.c:19 refcount_warn_saturate+0xc8/0x144 # [ 160.218785] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 160.228288] CPU: 3 PID: 2684 Comm: cat Tainted: G D W 5.10.136-cip14 #1 # [ 160.236051] Hardware name: ARM Juno development board (r0) (DT) # [ 160.241991] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 160.248019] pc : refcount_warn_saturate+0xc8/0x144 # [ 160.252828] lr : refcount_warn_saturate+0xc8/0x144 # [ 160.257631] sp : ffff800016a13cb0 # [ 160.260956] x29: ffff800016a13cb0 x28: ffff000804fd8000 # [ 160.266298] x27: 0000000000000000 x26: 0000000000000000 # [ 160.271639] x25: ffff800011520830 x24: ffff800016a13e20 # [ 160.276981] x23: 0000000000000020 x22: ffff000802afd000 # [ 160.282322] x21: 0000000000000007 x20: 00000000c0000000 # [ 160.287663] x19: ffff800016a13d04 x18: 0000000000000000 # [ 160.293004] x17: 0000000000000000 x16: 0000000000000000 # [ 160.298344] x15: 0000000000000030 x14: ffffffffffffffff # [ 160.303685] x13: ffff800096a13957 x12: ffff800016a1395f # [ 160.309026] x11: 0000000000000038 x10: 0000000000001440 # [ 160.314368] x9 : ffff800010132304 x8 : ffff000804fd94a0 # [ 160.319709] x7 : 0000000000000000 x6 : ffff8000125a1000 # [ 160.325050] x5 : ffff8000125a1c88 x4 : ffff00097ef70c50 # [ 160.330391] x3 : 0000000000000000 x2 : 0000000000000000 # [ 160.335731] x1 : 0000000000000000 x0 : ffff000804fd8000 # [ 160.341072] Call trace: # [ 160.343533] refcount_warn_saturate+0xc8/0x144 # [ 160.347995] __refcount_add_not_zero.constprop.0+0x84/0xa0 # [ 160.353500] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x4c/0x90 # [ 160.359180] lkdtm_do_action+0x24/0x40 # [ 160.362942] direct_entry+0xd4/0x140 # [ 160.366534] full_proxy_write+0x6c/0xc0 # [ 160.370385] vfs_write+0xf0/0x210 # [ 160.373713] ksys_write+0x74/0x100 # [ 160.377127] __arm64_sys_write+0x28/0x34 # [ 160.381068] el0_svc_common.constprop.0+0x84/0x1e0 # [ 160.385876] do_el0_svc+0x30/0xa0 # [ 160.389205] el0_svc+0x20/0x30 # [ 160.392272] el0_sync_handler+0x1a4/0x1b0 # [ 160.396296] el0_sync+0x180/0x1c0 # [ 160.399622] irq event stamp: 0 # [ 160.402691] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 160.408982] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 # [ 160.417186] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 # [ 160.425387] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 160.431670] ---[ end trace 2c82367ade12ce75 ]--- # [ 160.436729] 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 [ 160.963089] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED [ 160.970040] lkdtm: attempting bad refcount_dec_and_test() from saturated [ 160.976794] ------------[ cut here ]------------ [ 160.981497] refcount_t: underflow; use-after-free. [ 160.986384] WARNING: CPU: 1 PID: 2719 at lib/refcount.c:28 refcount_warn_saturate+0xf4/0x144 [ 160.994846] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 161.004322] CPU: 1 PID: 2719 Comm: cat Tainted: G D W 5.10.136-cip14 #1 [ 161.012081] Hardware name: ARM Juno development board (r0) (DT) [ 161.018016] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 161.024038] pc : refcount_warn_saturate+0xf4/0x144 [ 161.028841] lr : refcount_warn_saturate+0xf4/0x144 [ 161.033639] sp : ffff800016ab3cd0 [ 161.036959] x29: ffff800016ab3cd0 x28: ffff0008044e9880 [ 161.042293] x27: 0000000000000000 x26: 0000000000000000 [ 161.047625] x25: ffff800011520830 x24: ffff800016ab3e20 [ 161.052957] x23: 0000000000000020 x22: ffff000806516000 [ 161.058288] x21: ffff800011a36448 x20: ffff800011520bd0 [ 161.063619] x19: 000000000000003a x18: 0000000000000000 [ 161.068950] x17: 0000000000000000 x16: 0000000000000000 [ 161.074281] x15: 0000000000000030 x14: ffffffffffffffff [ 161.079613] x13: ffff800096ab3977 x12: ffff800016ab397f [ 161.084945] x11: 0000000000000038 x10: ffff800012628250 [ 161.090276] x9 : ffff800010132304 x8 : ffff8000125d0250 [ 161.095607] x7 : ffff800012628250 x6 : ffff8000125a1000 [ 161.100938] x5 : ffff8000125a1c88 x4 : ffff00097ef2cc50 [ 161.106269] x3 : 0000000000000000 x2 : 0000000000000000 [ 161.111600] x1 : 0000000000000000 x0 : ffff0008044e9880 [ 161.116931] Call trace: [ 161.119386] refcount_warn_saturate+0xf4/0x144 [ 161.123842] __refcount_sub_and_test.constprop.0+0x64/0x7c [ 161.129342] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x4c/0x90 [ 161.135015] lkdtm_do_action+0x24/0x40 [ 161.138772] direct_entry+0xd4/0x140 [ 161.142357] full_proxy_write+0x6c/0xc0 [ 161.146203] vfs_write+0xf0/0x210 [ 161.149524] ksys_write+0x74/0x100 [ 161.152932] __arm64_sys_write+0x28/0x34 [ 161.156866] el0_svc_common.constprop.0+0x84/0x1e0 [ 161.161667] do_el0_svc+0x30/0xa0 [ 161.164990] el0_svc+0x20/0x30 [ 161.168050] el0_sync_handler+0x1a4/0x1b0 [ 161.172067] el0_sync+0x180/0x1c0 [ 161.175388] irq event stamp: 0 [ 161.178451] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 161.184735] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 [ 161.192931] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 [ 161.201125] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 161.207403] ---[ end trace 2c82367ade12ce76 ]--- [ 161.212098] lkdtm: Saturation detected: still saturated # [ 160.963089] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 160.970040] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 160.976794] ------------[ cut here ]------------ # [ 160.981497] refcount_t: underflow; use-after-free. # [ 160.986384] WARNING: CPU: 1 PID: 2719 at lib/refcount.c:28 refcount_warn_saturate+0xf4/0x144 # [ 160.994846] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 161.004322] CPU: 1 PID: 2719 Comm: cat Tainted: G D W 5.10.136-cip14 #1 # [ 161.012081] Hardware name: ARM Juno development board (r0) (DT) # [ 161.018016] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 161.024038] pc : refcount_warn_saturate+0xf4/0x144 # [ 161.028841] lr : refcount_warn_saturate+0xf4/0x144 # [ 161.033639] sp : ffff800016ab3cd0 # [ 161.036959] x29: ffff800016ab3cd0 x28: ffff0008044e9880 # [ 161.042293] x27: 0000000000000000 x26: 0000000000000000 # [ 161.047625] x25: ffff800011520830 x24: ffff800016ab3e20 # [ 161.052957] x23: 0000000000000020 x22: ffff000806516000 # [ 161.058288] x21: ffff800011a36448 x20: ffff800011520bd0 # [ 161.063619] x19: 000000000000003a x18: 0000000000000000 # [ 161.068950] x17: 0000000000000000 x16: 0000000000000000 # [ 161.074281] x15: 0000000000000030 x14: ffffffffffffffff # [ 161.079613] x13: ffff800096ab3977 x12: ffff800016ab397f # [ 161.084945] x11: 0000000000000038 x10: ffff800012628250 # [ 161.090276] x9 : ffff800010132304 x8 : ffff8000125d0250 # [ 161.095607] x7 : ffff800012628250 x6 : ffff8000125a1000 # [ 161.100938] x5 : ffff8000125a1c88 x4 : ffff00097ef2cc50 # [ 161.106269] x3 : 0000000000000000 x2 : 0000000000000000 # [ 161.111600] x1 : 0000000000000000 x0 : ffff0008044e9880 # [ 161.116931] Call trace: # [ 161.119386] refcount_warn_saturate+0xf4/0x144 # [ 161.123842] __refcount_sub_and_test.constprop.0+0x64/0x7c # [ 161.129342] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x4c/0x90 # [ 161.135015] lkdtm_do_action+0x24/0x40 # [ 161.138772] direct_entry+0xd4/0x140 # [ 161.142357] full_proxy_write+0x6c/0xc0 # [ 161.146203] vfs_write+0xf0/0x210 # [ 161.149524] ksys_write+0x74/0x100 # [ 161.152932] __arm64_sys_write+0x28/0x34 # [ 161.156866] el0_svc_common.constprop.0+0x84/0x1e0 # [ 161.161667] do_el0_svc+0x30/0xa0 # [ 161.164990] el0_svc+0x20/0x30 # [ 161.168050] el0_sync_handler+0x1a4/0x1b0 # [ 161.172067] el0_sync+0x180/0x1c0 # [ 161.175388] irq event stamp: 0 # [ 161.178451] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 161.184735] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 # [ 161.192931] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 # [ 161.201125] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 161.207403] ---[ end trace 2c82367ade12ce76 ]--- # [ 161.212098] 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 [ 161.710379] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED [ 161.717351] lkdtm: attempting bad refcount_sub_and_test() from saturated [ 161.724142] ------------[ cut here ]------------ [ 161.728828] refcount_t: underflow; use-after-free. [ 161.733827] WARNING: CPU: 4 PID: 2754 at lib/refcount.c:28 refcount_warn_saturate+0xf4/0x144 [ 161.742289] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 161.751793] CPU: 4 PID: 2754 Comm: cat Tainted: G D W 5.10.136-cip14 #1 [ 161.759556] Hardware name: ARM Juno development board (r0) (DT) [ 161.765496] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 161.771526] pc : refcount_warn_saturate+0xf4/0x144 [ 161.776335] lr : refcount_warn_saturate+0xf4/0x144 [ 161.781139] sp : ffff800016b6bcd0 [ 161.784463] x29: ffff800016b6bcd0 x28: ffff000804fdc980 [ 161.789805] x27: 0000000000000000 x26: 0000000000000000 [ 161.795147] x25: ffff800011520830 x24: ffff800016b6be20 [ 161.800488] x23: 0000000000000020 x22: ffff000804fc0000 [ 161.805830] x21: ffff800011a36468 x20: ffff800011520be0 [ 161.811171] x19: 000000000000003b x18: 0000000000000000 [ 161.816511] x17: 0000000000000000 x16: 0000000000000000 [ 161.821852] x15: 0000000000000030 x14: ffffffffffffffff [ 161.827193] x13: ffff800096b6b977 x12: ffff800016b6b97f [ 161.832535] x11: 0000000000000038 x10: 0000000000001440 [ 161.837876] x9 : ffff800010132304 x8 : ffff000804fdde20 [ 161.843217] x7 : 0000000000000000 x6 : ffff8000125a1000 [ 161.848559] x5 : ffff8000125a1c88 x4 : ffff00097ef92c50 [ 161.853900] x3 : 0000000000000000 x2 : 0000000000000000 [ 161.859240] x1 : 0000000000000000 x0 : ffff000804fdc980 [ 161.864581] Call trace: [ 161.867042] refcount_warn_saturate+0xf4/0x144 [ 161.871504] __refcount_sub_and_test.constprop.0+0x64/0x7c [ 161.877011] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x4c/0xc4 [ 161.882691] lkdtm_do_action+0x24/0x40 [ 161.886452] direct_entry+0xd4/0x140 [ 161.890044] full_proxy_write+0x6c/0xc0 [ 161.893895] vfs_write+0xf0/0x210 [ 161.897223] ksys_write+0x74/0x100 [ 161.900637] __arm64_sys_write+0x28/0x34 [ 161.904577] el0_svc_common.constprop.0+0x84/0x1e0 [ 161.909385] do_el0_svc+0x30/0xa0 [ 161.912714] el0_svc+0x20/0x30 [ 161.915781] el0_sync_handler+0x1a4/0x1b0 [ 161.919805] el0_sync+0x180/0x1c0 [ 161.923130] irq event stamp: 0 [ 161.926200] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 161.932491] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 [ 161.940695] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 [ 161.948896] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 161.955180] ---[ end trace 2c82367ade12ce77 ]--- [ 161.960076] lkdtm: Saturation detected: still saturated # [ 161.710379] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 161.717351] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 161.724142] ------------[ cut here ]------------ # [ 161.728828] refcount_t: underflow; use-after-free. # [ 161.733827] WARNING: CPU: 4 PID: 2754 at lib/refcount.c:28 refcount_warn_saturate+0xf4/0x144 # [ 161.742289] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 161.751793] CPU: 4 PID: 2754 Comm: cat Tainted: G D W 5.10.136-cip14 #1 # [ 161.759556] Hardware name: ARM Juno development board (r0) (DT) # [ 161.765496] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 161.771526] pc : refcount_warn_saturate+0xf4/0x144 # [ 161.776335] lr : refcount_warn_saturate+0xf4/0x144 # [ 161.781139] sp : ffff800016b6bcd0 # [ 161.784463] x29: ffff800016b6bcd0 x28: ffff000804fdc980 # [ 161.789805] x27: 0000000000000000 x26: 0000000000000000 # [ 161.795147] x25: ffff800011520830 x24: ffff800016b6be20 # [ 161.800488] x23: 0000000000000020 x22: ffff000804fc0000 # [ 161.805830] x21: ffff800011a36468 x20: ffff800011520be0 # [ 161.811171] x19: 000000000000003b x18: 0000000000000000 # [ 161.816511] x17: 0000000000000000 x16: 0000000000000000 # [ 161.821852] x15: 0000000000000030 x14: ffffffffffffffff # [ 161.827193] x13: ffff800096b6b977 x12: ffff800016b6b97f # [ 161.832535] x11: 0000000000000038 x10: 0000000000001440 # [ 161.837876] x9 : ffff800010132304 x8 : ffff000804fdde20 # [ 161.843217] x7 : 0000000000000000 x6 : ffff8000125a1000 # [ 161.848559] x5 : ffff8000125a1c88 x4 : ffff00097ef92c50 # [ 161.853900] x3 : 0000000000000000 x2 : 0000000000000000 # [ 161.859240] x1 : 0000000000000000 x0 : ffff000804fdc980 # [ 161.864581] Call trace: # [ 161.867042] refcount_warn_saturate+0xf4/0x144 # [ 161.871504] __refcount_sub_and_test.constprop.0+0x64/0x7c # [ 161.877011] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x4c/0xc4 # [ 161.882691] lkdtm_do_action+0x24/0x40 # [ 161.886452] direct_entry+0xd4/0x140 # [ 161.890044] full_proxy_write+0x6c/0xc0 # [ 161.893895] vfs_write+0xf0/0x210 # [ 161.897223] ksys_write+0x74/0x100 # [ 161.900637] __arm64_sys_write+0x28/0x34 # [ 161.904577] el0_svc_common.constprop.0+0x84/0x1e0 # [ 161.909385] do_el0_svc+0x30/0xa0 # [ 161.912714] el0_svc+0x20/0x30 # [ 161.915781] el0_sync_handler+0x1a4/0x1b0 # [ 161.919805] el0_sync+0x180/0x1c0 # [ 161.923130] irq event stamp: 0 # [ 161.926200] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 161.932491] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 # [ 161.940695] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 # [ 161.948896] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 161.955180] ---[ end trace 2c82367ade12ce77 ]--- # [ 161.960076] 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 [ 162.918021] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO [ 162.924149] lkdtm: attempting good copy_to_user of correct size [ 162.930241] lkdtm: attempting bad copy_to_user of too large size # [ 162.918021] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 162.924149] lkdtm: attempting good copy_to_user of correct size # [ 162.930241] 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 [ 163.427495] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM [ 163.433792] lkdtm: attempting good copy_from_user of correct size [ 163.439980] lkdtm: attempting bad copy_from_user of too large size # [ 163.427495] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 163.433792] lkdtm: attempting good copy_from_user of correct size # [ 163.439980] 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 [ 163.916596] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO [ 163.923181] lkdtm: attempting good copy_to_user inside whitelist [ 163.929338] lkdtm: attempting bad copy_to_user outside whitelist # [ 163.916596] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 163.923181] lkdtm: attempting good copy_to_user inside whitelist # [ 163.929338] 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 [ 164.412177] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM [ 164.419045] lkdtm: attempting good copy_from_user inside whitelist [ 164.425325] lkdtm: attempting bad copy_from_user outside whitelist # [ 164.412177] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 164.419045] lkdtm: attempting good copy_from_user inside whitelist # [ 164.425325] 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 [ 164.902941] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO [ 164.909180] lkdtm: good_stack: ffff800016f3bcd8-ffff800016f3bcf8 [ 164.915232] lkdtm: bad_stack : ffff800016f3bc38-ffff800016f3bc58 [ 164.921344] lkdtm: attempting good copy_to_user of local stack [ 164.927307] lkdtm: attempting bad copy_to_user of distant stack # [ 164.902941] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 164.909180] lkdtm: good_stack: ffff800016f3bcd8-ffff800016f3bcf8 # [ 164.915232] lkdtm: bad_stack : ffff800016f3bc38-ffff800016f3bc58 # [ 164.921344] lkdtm: attempting good copy_to_user of local stack # [ 164.927307] 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 [ 165.415886] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM [ 165.422353] lkdtm: good_stack: ffff800016ff3cd8-ffff800016ff3cf8 [ 165.428441] lkdtm: bad_stack : ffff800016ff3c38-ffff800016ff3c58 [ 165.434538] lkdtm: attempting good copy_from_user of local stack [ 165.440701] lkdtm: attempting bad copy_from_user of distant stack # [ 165.415886] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 165.422353] lkdtm: good_stack: ffff800016ff3cd8-ffff800016ff3cf8 # [ 165.428441] lkdtm: bad_stack : ffff800016ff3c38-ffff800016ff3c58 # [ 165.434538] lkdtm: attempting good copy_from_user of local stack # [ 165.440701] 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 [ 165.932848] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND [ 165.938960] lkdtm: good_stack: ffff800016f43cd8-ffff800016f43cf8 [ 165.945219] lkdtm: bad_stack : ffff800016f43ff8-ffff800016f44018 [ 165.951377] lkdtm: attempting good copy_to_user of local stack [ 165.957348] lkdtm: attempting bad copy_to_user of distant stack [ 165.963327] Unable to handle kernel paging request at virtual address ffff800016f44000 [ 165.971294] Mem abort info: [ 165.974101] ESR = 0x96000007 [ 165.977189] EC = 0x25: DABT (current EL), IL = 32 bits [ 165.982539] SET = 0, FnV = 0 [ 165.985607] EA = 0, S1PTW = 0 [ 165.988776] Data abort info: [ 165.991690] ISV = 0, ISS = 0x00000007 [ 165.995559] CM = 0, WnR = 0 [ 165.998559] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081df1000 [ 166.005310] [ffff800016f44000] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=00000008828ff003, pte=0000000000000000 [ 166.017934] Internal error: Oops: 96000007 [#16] PREEMPT SMP [ 166.023609] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 166.033082] CPU: 1 PID: 3048 Comm: cat Tainted: G D W 5.10.136-cip14 #1 [ 166.040841] Hardware name: ARM Juno development board (r0) (DT) [ 166.046774] pstate: 80000005 (Nzcv daif -PAN -UAO -TCO BTYPE=--) [ 166.052801] pc : __arch_copy_to_user+0xa4/0x310 [ 166.057343] lr : _copy_to_user+0x6c/0x94 [ 166.061274] sp : ffff800016f43c70 [ 166.064601] x29: ffff800016f43c70 x28: ffff000802a09880 [ 166.069942] x27: 0000000000000000 x26: 0000000000000000 [ 166.075273] x25: ffff800011520830 x24: ffff800016f43e20 [ 166.080605] x23: 0000000000000016 x22: ffff00080785a000 [ 166.085941] x21: ffff800016f43ff8 x20: 0000ffff95560000 [ 166.091272] x19: 0000000000000020 x18: 0000000000000000 [ 166.096604] x17: 0000000000000000 x16: 0000000000000000 [ 166.101936] x15: ffff800016f43ff8 x14: ffffffffffffffff [ 166.107267] x13: ffff800096f43987 x12: ffff800016f4398f [ 166.112598] x11: 0000000000100000 x10: ffff800012628250 [ 166.117929] x9 : ffff8000101200b0 x8 : ffff8000125d0250 [ 166.123260] x7 : ffff800012628250 x6 : 0000ffff95560008 [ 166.128591] x5 : 0000ffff95560020 x4 : 0000000000000008 [ 166.133921] x3 : 0000000000000010 x2 : 0000000000000018 [ 166.139252] x1 : ffff800016f44000 x0 : 0000ffff95560000 [ 166.144584] Call trace: [ 166.147036] __arch_copy_to_user+0xa4/0x310 [ 166.151231] do_usercopy_stack+0x28c/0x294 [ 166.155336] lkdtm_USERCOPY_STACK_BEYOND+0x24/0x30 [ 166.160139] lkdtm_do_action+0x24/0x40 [ 166.163895] direct_entry+0xd4/0x140 [ 166.167480] full_proxy_write+0x6c/0xc0 [ 166.171325] vfs_write+0xf0/0x210 [ 166.174647] ksys_write+0x74/0x100 [ 166.178055] __arm64_sys_write+0x28/0x34 [ 166.181989] el0_svc_common.constprop.0+0x84/0x1e0 [ 166.186791] do_el0_svc+0x30/0xa0 [ 166.190114] el0_svc+0x20/0x30 [ 166.193174] el0_sync_handler+0x1a4/0x1b0 [ 166.197192] el0_sync+0x180/0x1c0 [ 166.200517] Code: a8c12027 a88120c7 d503201f d503201f (a8c12027) [ 166.206627] ---[ end trace 2c82367ade12ce78 ]--- # Segmentation fault # [ 165.932848] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 165.938960] lkdtm: good_stack: ffff800016f43cd8-ffff800016f43cf8 # [ 165.945219] lkdtm: bad_stack : ffff800016f43ff8-ffff800016f44018 # [ 165.951377] lkdtm: attempting good copy_to_user of local stack # [ 165.957348] lkdtm: attempting bad copy_to_user of distant stack # [ 165.963327] Unable to handle kernel paging request at virtual address ffff800016f44000 # [ 165.971294] Mem abort info: # [ 165.974101] ESR = 0x96000007 # [ 165.977189] EC = 0x25: DABT (current EL), IL = 32 bits # [ 165.982539] SET = 0, FnV = 0 # [ 165.985607] EA = 0, S1PTW = 0 # [ 165.988776] Data abort info: # [ 165.991690] ISV = 0, ISS = 0x00000007 # [ 165.995559] CM = 0, WnR = 0 # [ 165.998559] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081df1000 # [ 166.005310] [ffff800016f44000] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=00000008828ff003, pte=0000000000000000 # [ 166.017934] Internal error: Oops: 96000007 [#16] PREEMPT SMP # [ 166.023609] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 166.033082] CPU: 1 PID: 3048 Comm: cat Tainted: G D W 5.10.136-cip14 #1 # [ 166.040841] Hardware name: ARM Juno development board (r0) (DT) # [ 166.046774] pstate: 80000005 (Nzcv daif -PAN -UAO -TCO BTYPE=--) # [ 166.052801] pc : __arch_copy_to_user+0xa4/0x310 # [ 166.057343] lr : _copy_to_user+0x6c/0x94 # [ 166.061274] sp : ffff800016f43c70 # [ 166.064601] x29: ffff800016f43c70 x28: ffff000802a09880 # [ 166.069942] x27: 0000000000000000 x26: 0000000000000000 # [ 166.075273] x25: ffff800011520830 x24: ffff800016f43e20 # [ 166.080605] x23: 0000000000000016 x22: ffff00080785a000 # [ 166.085941] x21: ffff800016f43ff8 x20: 0000ffff95560000 # [ 166.091272] x19: 0000000000000020 x18: 0000000000000000 # [ 166.096604] x17: 0000000000000000 x16: 0000000000000000 # [ 166.101936] x15: ffff800016f43ff8 x14: ffffffffffffffff # [ 166.107267] x13: ffff800096f43987 x12: ffff800016f4398f # [ 166.112598] x11: 0000000000100000 x10: ffff800012628250 # [ 166.117929] x9 : ffff8000101200b0 x8 : ffff8000125d0250 # [ 166.123260] x7 : ffff800012628250 x6 : 0000ffff95560008 # [ 166.128591] x5 : 0000ffff95560020 x4 : 0000000000000008 # [ 166.133921] x3 : 0000000000000010 x2 : 0000000000000018 # [ 166.139252] x1 : ffff800016f44000 x0 : 0000ffff95560000 # [ 166.144584] Call trace: # [ 166.147036] __arch_copy_to_user+0xa4/0x310 # [ 166.151231] do_usercopy_stack+0x28c/0x294 # [ 166.155336] lkdtm_USERCOPY_STACK_BEYOND+0x24/0x30 # [ 166.160139] lkdtm_do_action+0x24/0x40 # [ 166.163895] direct_entry+0xd4/0x140 # [ 166.167480] full_proxy_write+0x6c/0xc0 # [ 166.171325] vfs_write+0xf0/0x210 # [ 166.174647] ksys_write+0x74/0x100 # [ 166.178055] __arm64_sys_write+0x28/0x34 # [ 166.181989] el0_svc_common.constprop.0+0x84/0x1e0 # [ 166.186791] do_el0_svc+0x30/0xa0 # [ 166.190114] el0_svc+0x20/0x30 # [ 166.193174] el0_sync_handler+0x1a4/0x1b0 # [ 166.197192] el0_sync+0x180/0x1c0 # [ 166.200517] Code: a8c12027 a88120c7 d503201f d503201f (a8c12027) # [ 166.206627] ---[ end trace 2c82367ade12ce78 ]--- # USERCOPY_STACK_BEYOND: saw 'call trace:': ok ok 67 selftests: lkdtm: USERCOPY_STACK_BEYOND.sh # selftests: lkdtm: USERCOPY_KERNEL.sh [ 166.693224] lkdtm: Performing direct entry USERCOPY_KERNEL [ 166.698824] lkdtm: attempting good copy_to_user from kernel rodata: ffff800011520d40 [ 166.706708] lkdtm: attempting bad copy_to_user from kernel text: ffff8000102db200 [ 166.714341] lkdtm: FAIL: survived bad copy_to_user() # [ 166.693224] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 166.698824] lkdtm: attempting good copy_to_user from kernel rodata: ffff800011520d40 # [ 166.706708] lkdtm: attempting bad copy_to_user from kernel text: ffff8000102db200 # [ 166.714341] 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 [ 167.223966] lkdtm: Performing direct entry STACKLEAK_ERASING [ 167.229701] lkdtm: checking unused part of the thread stack (15608 bytes)... [ 167.236864] lkdtm: FAIL: the erased part is not found (checked 15608 bytes) [ 167.243903] lkdtm: FAIL: the thread stack is NOT properly erased [ 167.250062] CPU: 3 PID: 3130 Comm: cat Tainted: G D W 5.10.136-cip14 #1 [ 167.257830] Hardware name: ARM Juno development board (r0) (DT) [ 167.263768] Call trace: [ 167.266234] dump_backtrace+0x0/0x1f0 [ 167.269911] show_stack+0x24/0x30 [ 167.273243] dump_stack+0xf8/0x168 [ 167.276661] lkdtm_STACKLEAK_ERASING+0x134/0x174 [ 167.281300] lkdtm_do_action+0x24/0x40 [ 167.285064] direct_entry+0xd4/0x140 [ 167.288659] full_proxy_write+0x6c/0xc0 [ 167.292511] vfs_write+0xf0/0x210 [ 167.295841] ksys_write+0x74/0x100 [ 167.299257] __arm64_sys_write+0x28/0x34 [ 167.303198] el0_svc_common.constprop.0+0x84/0x1e0 [ 167.308008] do_el0_svc+0x30/0xa0 [ 167.311341] el0_svc+0x20/0x30 [ 167.314408] el0_sync_handler+0x1a4/0x1b0 [ 167.318434] el0_sync+0x180/0x1c0 # [ 167.223966] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 167.229701] lkdtm: checking unused part of the thread stack (15608 bytes)... # [ 167.236864] lkdtm: FAIL: the erased part is not found (checked 15608 bytes) # [ 167.243903] lkdtm: FAIL: the thread stack is NOT properly erased # [ 167.250062] CPU: 3 PID: 3130 Comm: cat Tainted: G D W 5.10.136-cip14 #1 # [ 167.257830] Hardware name: ARM Juno development board (r0) (DT) # [ 167.263768] Call trace: # [ 167.266234] dump_backtrace+0x0/0x1f0 # [ 167.269911] show_stack+0x24/0x30 # [ 167.273243] dump_stack+0xf8/0x168 # [ 167.276661] lkdtm_STACKLEAK_ERASING+0x134/0x174 # [ 167.281300] lkdtm_do_action+0x24/0x40 # [ 167.285064] direct_entry+0xd4/0x140 # [ 167.288659] full_proxy_write+0x6c/0xc0 # [ 167.292511] vfs_write+0xf0/0x210 # [ 167.295841] ksys_write+0x74/0x100 # [ 167.299257] __arm64_sys_write+0x28/0x34 # [ 167.303198] el0_svc_common.constprop.0+0x84/0x1e0 # [ 167.308008] do_el0_svc+0x30/0xa0 # [ 167.311341] el0_svc+0x20/0x30 # [ 167.314408] el0_sync_handler+0x1a4/0x1b0 # [ 167.318434] 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 [ 167.845089] lkdtm: Performing direct entry CFI_FORWARD_PROTO [ 167.850845] lkdtm: Calling matched prototype ... [ 167.855540] lkdtm: Calling mismatched prototype ... [ 167.860488] lkdtm: Fail: survived mismatched prototype function call! # [ 167.845089] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 167.850845] lkdtm: Calling matched prototype ... # [ 167.855540] lkdtm: Calling mismatched prototype ... # [ 167.860488] 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 / #