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 : 36 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 *** Unhandled DHCP Option in OFFER/ACK: 42 *** Unhandled DHCP Option in OFFER/ACK: 42 DHCP client bound to address 192.168.56.208 (3782 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 312272/tftp-deploy-mquvd2p2/kernel/uImage tftp 0x80200000 312272/tftp-deploy-mquvd2p2/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 '312272/tftp-deploy-mquvd2p2/kernel/uImage'. Load address: 0x80200000 Loading: *################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ##################################################### 2.1 MiB/s done Bytes transferred = 43708992 (29af240 hex) smc911x: MAC 00:02:f7:00:58:4d VExpress64# tftp 0x8fe00000 312272/tftp-deploy-mquvd2p2/ramdisk/ramdisk.cpio.gz.uboot tftp 0x8fe00000 312272/tftp-deploy-mquvd2p2/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 '312272/tftp-deploy-mquvd2p2/ramdisk/ramdisk.cpio.gz.uboot'. Load address: 0x8fe00000 Loading: *################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ############################################################ 1.4 MiB/s done Bytes transferred = 18051444 (1137174 hex) smc911x: MAC 00:02:f7:00:58:4d VExpress64# setenv initrd_size ${filesize} setenv initrd_size ${filesize} VExpress64# tftp 0x8fc00000 312272/tftp-deploy-mquvd2p2/dtb/juno.dtb tftp 0x8fc00000 312272/tftp-deploy-mquvd2p2/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 '312272/tftp-deploy-mquvd2p2/dtb/juno.dtb'. Load address: 0x8fc00000 Loading: *## 3.9 KiB/s done Bytes transferred = 23985 (5db1 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/312272/extract-nfsrootfs-bisnz41s,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/312272/extract-nfsrootfs-bisnz41s,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: 43708928 Bytes = 41.7 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: 18051380 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 000000008fc08db0 Starting kernel ... [ 0.000000] Booting Linux on physical CPU 0x0000000100 [0x410fd030] [ 0.000000] Linux version 5.10.161-cip22 (KernelCI@build-j733952-arm64-gcc-10-defconfig-kselftest-vsr6n) (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 Wed Dec 21 19:20:04 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 0x9fefd97c0-0x9fefdbfff] [ 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/312272/extract-nfsrootfs-bisnz41s,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: 8041140K/8372224K available (18880K kernel code, 4540K rwdata, 9448K rodata, 9728K init, 11276K bss, 298316K reserved, 32768K cma-reserved) [ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=6, Nodes=1 [ 0.000000] ftrace: allocating 58496 entries in 229 pages [ 0.000000] ftrace: allocated 229 pages with 5 groups [ 0.000000] Running RCU self tests [ 0.000000] rcu: Preemptible hierarchical RCU implementation. [ 0.000000] rcu: RCU event tracing is enabled. [ 0.000000] rcu: RCU lockdep checking is enabled. [ 0.000000] rcu: RCU restricting CPUs from NR_CPUS=256 to nr_cpu_ids=6. [ 0.000000] Trampoline variant of Tasks RCU enabled. [ 0.000000] Rude variant of Tasks RCU enabled. [ 0.000000] Tracing variant of Tasks RCU enabled. [ 0.000000] rcu: RCU calculated value of scheduler-enlistment delay is 25 jiffies. [ 0.000000] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=6 [ 0.000000] NR_IRQS: 64, nr_irqs: 64, preallocated irqs: 0 [ 0.000000] GIC: Using split EOI/Deactivate mode [ 0.000000] GICv2m: range[mem 0x2c1c0000-0x2c1cffff], SPI[224:255] [ 0.000000] GICv2m: range[mem 0x2c1d0000-0x2c1dffff], SPI[256:287] [ 0.000000] GICv2m: range[mem 0x2c1e0000-0x2c1effff], SPI[288:319] [ 0.000000] GICv2m: range[mem 0x2c1f0000-0x2c1fffff], SPI[320:351] [ 0.000000] sp804: timer clock not found: -517 [ 0.000000] sp804: arm,sp804 clock not found: -2 [ 0.000000] Failed to initialize '/bus@8000000/motherboard-bus/iofpga-bus@300000000/timer@110000': -22 [ 0.000000] sp804: timer clock not found: -517 [ 0.000000] sp804: arm,sp804 clock not found: -2 [ 0.000000] Failed to initialize '/bus@8000000/motherboard-bus/iofpga-bus@300000000/timer@120000': -22 [ 0.000000] arch_timer: cp15 timer(s) running at 50.00MHz (phys). [ 0.000000] clocksource: arch_sys_counter: mask: 0xffffffffffffff max_cycles: 0xb8812736b, max_idle_ns: 440795202655 ns [ 0.000008] sched_clock: 56 bits at 50MHz, resolution 20ns, wraps every 4398046511100ns [ 0.009663] Console: colour dummy device 80x25 [ 0.014280] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 0.022194] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 0.026403] ... MAX_LOCK_DEPTH: 48 [ 0.030698] ... MAX_LOCKDEP_KEYS: 8192 [ 0.035170] ... CLASSHASH_SIZE: 4096 [ 0.039641] ... MAX_LOCKDEP_ENTRIES: 32768 [ 0.044200] ... MAX_LOCKDEP_CHAINS: 65536 [ 0.048759] ... CHAINHASH_SIZE: 32768 [ 0.053319] memory used by lock dependency info: 6365 kB [ 0.058848] memory used for stack traces: 4224 kB [ 0.063760] per task-struct memory footprint: 1920 bytes [ 0.069515] Calibrating delay loop (skipped), value calculated using timer frequency.. 100.00 BogoMIPS (lpj=200000) [ 0.080191] pid_max: default: 32768 minimum: 301 [ 0.085377] LSM: Security Framework initializing [ 0.090208] LSM support for eBPF active [ 0.094362] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes, linear) [ 0.102142] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes, linear) [ 0.124444] rcu: Hierarchical SRCU implementation. [ 0.140409] EFI services will not be available. [ 0.147492] smp: Bringing up secondary CPUs ... [ 0.156699] CPU features: detected: ARM erratum 832075 [ 0.156709] CPU features: detected: ARM erratum 834220 [ 0.156716] CPU features: detected: EL2 vector hardening [ 0.156731] CPU features: detected: Spectre-v2 [ 0.156743] CPU features: detected: ARM errata 1165522, 1319367, or 1530923 [ 0.156752] CPU features: detected: Spectre-BHB [ 0.156762] Detected PIPT I-cache on CPU1 [ 0.156842] CPU1: Booted secondary processor 0x0000000000 [0x410fd070] [ 0.161689] Detected PIPT I-cache on CPU2 [ 0.161739] CPU2: Booted secondary processor 0x0000000001 [0x410fd070] [ 0.166504] Detected VIPT I-cache on CPU3 [ 0.166599] CPU3: Booted secondary processor 0x0000000101 [0x410fd030] [ 0.171522] Detected VIPT I-cache on CPU4 [ 0.171599] CPU4: Booted secondary processor 0x0000000102 [0x410fd030] [ 0.176505] Detected VIPT I-cache on CPU5 [ 0.176580] CPU5: Booted secondary processor 0x0000000103 [0x410fd030] [ 0.177619] smp: Brought up 1 node, 6 CPUs [ 0.268403] SMP: Total of 6 processors activated. [ 0.273305] CPU features: detected: 32-bit EL0 Support [ 0.278809] CPU features: detected: CRC32 instructions [ 0.284150] CPU features: detected: 32-bit EL1 Support [ 0.373025] CPU: All CPU(s) started at EL2 [ 0.377487] alternatives: patching kernel code [ 0.393675] devtmpfs: initialized [ 0.434416] KASLR disabled due to lack of seed [ 0.441061] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 7645041785100000 ns [ 0.451047] futex hash table entries: 2048 (order: 6, 262144 bytes, linear) [ 0.460425] pinctrl core: initialized pinctrl subsystem [ 0.471502] DMI not present or invalid. [ 0.477386] NET: Registered protocol family 16 [ 0.488773] DMA: preallocated 1024 KiB GFP_KERNEL pool for atomic allocations [ 0.496473] DMA: preallocated 1024 KiB GFP_KERNEL|GFP_DMA pool for atomic allocations [ 0.506040] DMA: preallocated 1024 KiB GFP_KERNEL|GFP_DMA32 pool for atomic allocations [ 0.514480] audit: initializing netlink subsys (disabled) [ 0.520708] audit: type=2000 audit(0.432:1): state=initialized audit_enabled=0 res=1 [ 0.524923] thermal_sys: Registered thermal governor 'step_wise' [ 0.528633] thermal_sys: Registered thermal governor 'power_allocator' [ 0.536369] cpuidle: using governor menu [ 0.547661] hw-breakpoint: found 6 breakpoint and 4 watchpoint registers. [ 0.555223] ASID allocator initialised with 65536 entries [ 0.565998] Serial: AMBA PL011 UART driver [ 0.678494] 7ff80000.serial: ttyAMA0 at MMIO 0x7ff80000 (irq = 38, base_baud = 0) is a PL011 rev3 [ 0.687647] printk: console [ttyAMA0] enabled [ 0.687647] printk: console [ttyAMA0] enabled [ 0.696492] printk: bootconsole [pl11] disabled [ 0.696492] printk: bootconsole [pl11] disabled [ 0.776697] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages [ 0.783513] HugeTLB registered 32.0 MiB page size, pre-allocated 0 pages [ 0.790288] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 0.797059] HugeTLB registered 64.0 KiB page size, pre-allocated 0 pages [ 0.812016] cryptd: max_cpu_qlen set to 1000 [ 0.830934] ACPI: Interpreter disabled. [ 0.843501] iommu: Default domain type: Translated [ 0.849506] vgaarb: loaded [ 0.853976] SCSI subsystem initialized [ 0.859734] usbcore: registered new interface driver usbfs [ 0.865536] usbcore: registered new interface driver hub [ 0.871124] usbcore: registered new device driver usb [ 0.882017] pps_core: LinuxPPS API ver. 1 registered [ 0.887099] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 0.896373] PTP clock support registered [ 0.900841] EDAC MC: Ver: 3.0.0 [ 0.910220] FPGA manager framework [ 0.914193] Advanced Linux Sound Architecture Driver Initialized. [ 0.924020] clocksource: Switched to clocksource arch_sys_counter [ 2.392468] VFS: Disk quotas dquot_6.6.0 [ 2.396664] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 2.404994] pnp: PnP ACPI: disabled [ 2.452655] NET: Registered protocol family 2 [ 2.457986] IP idents hash table entries: 131072 (order: 8, 1048576 bytes, linear) [ 2.471310] tcp_listen_portaddr_hash hash table entries: 4096 (order: 6, 327680 bytes, linear) [ 2.481381] TCP established hash table entries: 65536 (order: 7, 524288 bytes, linear) [ 2.493394] TCP bind hash table entries: 65536 (order: 10, 4718592 bytes, vmalloc) [ 2.516204] TCP: Hash tables configured (established 65536 bind 65536) [ 2.524286] MPTCP token hash table entries: 8192 (order: 7, 720896 bytes, linear) [ 2.534126] UDP hash table entries: 4096 (order: 7, 655360 bytes, linear) [ 2.543133] UDP-Lite hash table entries: 4096 (order: 7, 655360 bytes, linear) [ 2.552961] NET: Registered protocol family 1 [ 2.560200] RPC: Registered named UNIX socket transport module. [ 2.566237] RPC: Registered udp transport module. [ 2.571022] RPC: Registered tcp transport module. [ 2.575804] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 2.582339] NET: Registered protocol family 44 [ 2.586880] PCI: CLS 0 bytes, default 64 [ 2.591834] Unpacking initramfs... [ 4.420567] Freeing initrd memory: 17624K [ 4.428654] hw perfevents: enabled with armv8_cortex_a57 PMU driver, 7 counters available [ 4.439341] hw perfevents: enabled with armv8_cortex_a53 PMU driver, 7 counters available [ 4.447788] kvm [1]: Guests without required CPU erratum workarounds can deadlock system! [ 4.447788] Only trusted guests should be used on this system. [ 4.461947] kvm [1]: IPA Size Limit: 40 bits [ 4.481830] kvm [1]: vgic interrupt IRQ9 [ 4.486697] kvm [1]: Hyp mode initialized successfully [ 4.518520] Initialise system trusted keyrings [ 4.523899] workingset: timestamp_bits=42 max_order=21 bucket_order=0 [ 4.589532] squashfs: version 4.0 (2009/01/31) Phillip Lougher [ 4.598951] NFS: Registering the id_resolver key type [ 4.604251] Key type id_resolver registered [ 4.608546] Key type id_legacy registered [ 4.613243] nfs4filelayout_init: NFSv4 File Layout Driver Registering... [ 4.620074] nfs4flexfilelayout_init: NFSv4 Flexfile Layout Driver Registering... [ 4.628303] 9p: Installing v9fs 9p2000 file system support [ 4.685032] Key type asymmetric registered [ 4.689263] Asymmetric key parser 'x509' registered [ 4.694351] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 245) [ 4.701853] io scheduler mq-deadline registered [ 4.706456] io scheduler kyber registered [ 4.711350] test_firmware: interface ready [ 4.748956] pl061_gpio 1c1d0000.gpio: PL061 GPIO chip registered [ 4.768056] EINJ: ACPI disabled. [ 4.797541] dma-pl330 7ff00000.dma: Loaded driver for PL330 DMAC-341330 [ 4.804259] dma-pl330 7ff00000.dma: DBUFF-1024x16bytes Num_Chans-8 Num_Peri-8 Num_Events-8 [ 4.852289] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 4.870323] SuperH (H)SCI(F) driver initialized [ 4.876678] msm_serial: driver initialized [ 4.885558] arm-smmu 7fb10000.iommu: probing hardware configuration... [ 4.892284] arm-smmu 7fb10000.iommu: SMMUv1 with: [ 4.897071] arm-smmu 7fb10000.iommu: stage 2 translation [ 4.902551] arm-smmu 7fb10000.iommu: non-coherent table walk [ 4.908377] arm-smmu 7fb10000.iommu: (IDR0.CTTW overridden by FW configuration) [ 4.915864] arm-smmu 7fb10000.iommu: stream matching with 2 register groups [ 4.923005] arm-smmu 7fb10000.iommu: 1 context banks (1 stage-2 only) [ 4.929625] arm-smmu 7fb10000.iommu: Supported page sizes: 0x60211000 [ 4.936236] arm-smmu 7fb10000.iommu: Stage-2: 40-bit IPA -> 40-bit PA [ 4.944483] arm-smmu 7fb20000.iommu: probing hardware configuration... [ 4.951101] arm-smmu 7fb20000.iommu: SMMUv1 with: [ 4.955884] arm-smmu 7fb20000.iommu: stage 2 translation [ 4.961363] arm-smmu 7fb20000.iommu: non-coherent table walk [ 4.967191] arm-smmu 7fb20000.iommu: (IDR0.CTTW overridden by FW configuration) [ 4.974678] arm-smmu 7fb20000.iommu: stream matching with 2 register groups [ 4.981818] arm-smmu 7fb20000.iommu: 1 context banks (1 stage-2 only) [ 4.988434] arm-smmu 7fb20000.iommu: Supported page sizes: 0x60211000 [ 4.995043] arm-smmu 7fb20000.iommu: Stage-2: 40-bit IPA -> 40-bit PA [ 5.002646] arm-smmu 7fb30000.iommu: probing hardware configuration... [ 5.009281] arm-smmu 7fb30000.iommu: SMMUv1 with: [ 5.014064] arm-smmu 7fb30000.iommu: stage 2 translation [ 5.019542] arm-smmu 7fb30000.iommu: coherent table walk [ 5.025028] arm-smmu 7fb30000.iommu: stream matching with 2 register groups [ 5.032168] arm-smmu 7fb30000.iommu: 1 context banks (1 stage-2 only) [ 5.038788] arm-smmu 7fb30000.iommu: Supported page sizes: 0x60211000 [ 5.045397] arm-smmu 7fb30000.iommu: Stage-2: 40-bit IPA -> 40-bit PA [ 5.119052] loop: module loaded [ 5.125088] lkdtm: No crash points registered, enable through debugfs [ 5.135487] megasas: 07.714.04.00-rc1 [ 5.165373] thunder_xcv, ver 1.0 [ 5.168881] thunder_bgx, ver 1.0 [ 5.172381] nicpf, ver 1.0 [ 5.179510] hclge is initializing [ 5.183020] hns3: Hisilicon Ethernet Network Driver for Hip08 Family - version [ 5.190331] hns3: Copyright (c) 2017 Huawei Corporation. [ 5.195905] e1000: Intel(R) PRO/1000 Network Driver [ 5.200881] e1000: Copyright (c) 1999-2006 Intel Corporation. [ 5.206911] e1000e: Intel(R) PRO/1000 Network Driver [ 5.211953] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. [ 5.218162] igb: Intel(R) Gigabit Ethernet Network Driver [ 5.223639] igb: Copyright (c) 2007-2014 Intel Corporation. [ 5.229420] igbvf: Intel(R) Gigabit Virtual Function Network Driver [ 5.235767] igbvf: Copyright (c) 2009 - 2012 Intel Corporation. [ 5.242976] sky2: driver version 1.30 [ 5.313209] smsc911x 18000000.ethernet eth0: MAC Address: 00:02:f7:00:58:4d [ 5.324495] VFIO - User Level meta-driver version: 0.3 [ 5.336656] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 5.343418] ehci-pci: EHCI PCI platform driver [ 5.348151] ehci-platform: EHCI generic platform driver [ 5.354193] ehci-platform 7ffc0000.usb: Adding to iommu group 0 [ 5.361132] ehci-platform 7ffc0000.usb: EHCI Host Controller [ 5.367087] ehci-platform 7ffc0000.usb: new USB bus registered, assigned bus number 1 [ 5.375611] ehci-platform 7ffc0000.usb: irq 41, io mem 0x7ffc0000 [ 5.396102] ehci-platform 7ffc0000.usb: USB 2.0 started, EHCI 1.00 [ 5.406758] hub 1-0:1.0: USB hub found [ 5.410837] hub 1-0:1.0: 1 port detected [ 5.417081] ehci-orion: EHCI orion driver [ 5.421596] ehci-exynos: EHCI Exynos driver [ 5.426227] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 5.432548] ohci-pci: OHCI PCI platform driver [ 5.437286] ohci-platform: OHCI generic platform driver [ 5.443153] ohci-platform 7ffb0000.usb: Adding to iommu group 0 [ 5.449533] ohci-platform 7ffb0000.usb: Generic Platform OHCI controller [ 5.456400] ohci-platform 7ffb0000.usb: new USB bus registered, assigned bus number 2 [ 5.464841] ohci-platform 7ffb0000.usb: irq 40, io mem 0x7ffb0000 [ 5.551219] hub 2-0:1.0: USB hub found [ 5.555215] hub 2-0:1.0: 1 port detected [ 5.560997] ohci-exynos: OHCI Exynos driver [ 5.566862] usbcore: registered new interface driver usb-storage [ 5.587466] rtc-pl031 1c170000.rtc: registered as rtc0 [ 5.592877] rtc-pl031 1c170000.rtc: setting system clock to 2000-01-01T00:02:44 UTC (946684964) [ 5.603934] i2c /dev entries driver [ 5.624142] sp805-wdt 1c0f0000.wdt: registration successful [ 5.647924] mmci-pl18x 1c050000.mmci: mmc0: PL180 manf 41 rev0 at 0x1c050000 irq 16,0 (pio) [ 5.668175] usb 1-1: new high-speed USB device number 2 using ehci-platform [ 5.683066] sdhci: Secure Digital Host Controller Interface driver [ 5.689347] sdhci: Copyright(c) Pierre Ossman [ 5.696672] Synopsys Designware Multimedia Card Interface Driver [ 5.706356] sdhci-pltfm: SDHCI platform and OF driver helper [ 5.717919] leds-syscon 1c010000.apbregs:led0: registered LED (null) [ 5.725315] leds-syscon 1c010000.apbregs:led1: registered LED (null) [ 5.732575] leds-syscon 1c010000.apbregs:led2: registered LED (null) [ 5.739768] leds-syscon 1c010000.apbregs:led3: registered LED (null) [ 5.746980] leds-syscon 1c010000.apbregs:led4: registered LED (null) [ 5.754188] leds-syscon 1c010000.apbregs:led5: registered LED (null) [ 5.761374] leds-syscon 1c010000.apbregs:led6: registered LED (null) [ 5.768633] leds-syscon 1c010000.apbregs:led7: registered LED (null) [ 5.777751] ledtrig-cpu: registered to indicate activity on CPUs [ 5.791923] usbcore: registered new interface driver usbhid [ 5.797704] usbhid: USB HID core driver [ 5.805485] mhu 2b1f0000.mhu: ARM MHU Mailbox registered [ 5.829026] ipip: IPv4 and MPLS over IPv4 tunneling driver [ 5.836693] gre: GRE over IPv4 demultiplexor driver [ 5.838406] hub 1-1:1.0: USB hub found [ 5.841673] ip_gre: GRE over IPv4 tunneling driver [ 5.847229] IPv4 over IPsec tunneling driver [ 5.851201] hub 1-1:1.0: 4 ports detected [ 5.860303] NET: Registered protocol family 10 [ 5.870760] Segment Routing with IPv6 [ 5.879247] ip6_gre: GRE over IPv6 tunneling driver [ 5.886301] NET: Registered protocol family 17 [ 5.892549] 9pnet: Installing 9P2000 support [ 5.897211] Key type dns_resolver registered [ 5.902851] registered taskstats version 1 [ 5.907094] Loading compiled-in X.509 certificates [ 5.968164] scpi_protocol scpi: incorrect or no SCP firmware found [ 5.974670] scpi_protocol: probe of scpi failed with error -110 [ 5.984802] arm-smmu 2b600000.iommu: deferred probe timeout, ignoring dependency [ 5.992332] arm-smmu: probe of 2b600000.iommu failed with error -110 [ 6.006076] input: gpio-keys as /devices/platform/gpio-keys/input/input1 [ 6.584130] atkbd serio0: keyboard reset failed on 1c060000.kmi [ 7.832169] atkbd serio1: keyboard reset failed on 1c070000.kmi [ 10.808170] amba 20010000.etf: deferred probe timeout, ignoring dependency [ 10.815267] amba 20030000.tpiu: deferred probe timeout, ignoring dependency [ 10.822414] amba 20040000.funnel: deferred probe timeout, ignoring dependency [ 10.829704] amba 20070000.etr: deferred probe timeout, ignoring dependency [ 10.836732] amba 20100000.stm: deferred probe timeout, ignoring dependency [ 10.843759] amba 20120000.replicator: deferred probe timeout, ignoring dependency [ 10.851417] amba 22010000.cpu-debug: deferred probe timeout, ignoring dependency [ 10.858966] amba 22040000.etm: deferred probe timeout, ignoring dependency [ 10.865992] amba 220c0000.funnel: deferred probe timeout, ignoring dependency [ 10.873302] amba 22110000.cpu-debug: deferred probe timeout, ignoring dependency [ 10.880852] amba 22140000.etm: deferred probe timeout, ignoring dependency [ 10.887878] amba 23010000.cpu-debug: deferred probe timeout, ignoring dependency [ 10.895426] amba 23040000.etm: deferred probe timeout, ignoring dependency [ 10.902450] amba 230c0000.funnel: deferred probe timeout, ignoring dependency [ 10.909736] amba 23110000.cpu-debug: deferred probe timeout, ignoring dependency [ 10.917283] amba 23140000.etm: deferred probe timeout, ignoring dependency [ 10.924307] amba 23210000.cpu-debug: deferred probe timeout, ignoring dependency [ 10.931854] amba 23240000.etm: deferred probe timeout, ignoring dependency [ 10.938899] amba 23310000.cpu-debug: deferred probe timeout, ignoring dependency [ 10.946447] amba 23340000.etm: deferred probe timeout, ignoring dependency [ 14.527087] 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 [ 14.654806] psmouse serio0: Failed to enable mouse on 1c060000.kmi [ 14.663105] 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) [ 14.688157] smsc911x 18000000.ethernet eth0: SMSC911x/921x identified at 0xffff8000141f0000, IRQ: 15 [ 14.697896] IP-Config: Failed to open gretap0 [ 14.702339] IP-Config: Failed to open erspan0 [ 14.724097] Sending DHCP requests . [ 16.729474] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready [ 17.020068] .., OK [ 21.094239] IP-Config: Got DHCP answer from 192.168.56.254, my address is 192.168.56.208 [ 21.102437] IP-Config: Complete: [ 21.105736] device=eth0, hwaddr=00:02:f7:00:58:4d, ipaddr=192.168.56.208, mask=255.255.255.0, gw=192.168.56.254 [ 21.116340] host=192.168.56.208, domain=mayfield.sirena.org.uk, nis-domain=(none) [ 21.123118] 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 [ 21.124350] bootserver=192.168.56.254, rootserver=192.168.56.230, rootpath= [ 21.140507] nameserver0=192.168.56.254 [ 21.152376] ntpserver0=50.205.244.22, ntpserver1=85.199.214.99 [ 21.159535] ALSA device list: [ 21.162707] No soundcards found. [ 21.167065] uart-pl011 7ff80000.serial: no DMA platform data [ 21.216277] Freeing unused kernel memory: 9728K [ 21.221287] Run /init as init process [ 21.251599] psmouse serio1: Failed to enable mouse on 1c070000.kmi Loading, please wait... Starting version 247.3-7+deb11u1 [ 24.092909] tda998x 0-0070: found TDA19988 [ 24.230275] 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 ... Waiting up to 60 secs for any ethernet to become available Device /sys/class/net/erspan0 found done. IP-Config: eth0 hardware address 00:02:f7:00:58:4d mtu 1500 DHCP IP-Config: gretap0 hardware address 00:00:00:00:00:00 mtu 1462 DHCP SIOCSIFFLAGS: Cannot assign requested address IP-Config: erspan0 hardware address 00:00:00:00:00:00 mtu 1450 DHCP SIOCSIFFLAGS: Cannot assign requested address IP-Config: eth0 complete (dhcp from 192.168.56.254): address: 192.168.56.208 broadcast: 192.168.56.255 netmask: 255.255.255.0 gateway: 192.168.56.254 dns0 : 192.168.56.254 dns1 : 0.0.0.0 domain : mayfield.sirena.org.uk rootserver: 192.168.56.254 rootpath: filename : done. Begin: Running /scripts/nfs-bottom ... done. Begin: Running /scripts/init-bottom ... done. [ 27.655323] systemd[1]: System time before build time, advancing clock. [ 28.042554] systemd[1]: systemd 247.3-7+deb11u1 running in system mode. (+PAM +AUDIT +SELINUX +IMA +APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL +XZ +LZ4 +ZSTD +SECCOMP +BLKID +ELFUTILS +KMOD +IDN2 -IDN +PCRE2 default-hierarchy=unified) [ 28.069798] systemd[1]: Detected architecture arm64. Welcome to [1mDebian GNU/Linux 11 (bullseye)[0m! [ 28.128229] systemd[1]: Set hostname to . [ 29.819212] systemd[1]: Queued start job for default target Graphical Interface. [ 29.831757] random: systemd: uninitialized urandom read (16 bytes read) [ 29.857765] systemd[1]: Created slice system-getty.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-getty.slice[0m. [ 29.880627] random: systemd: uninitialized urandom read (16 bytes read) [ 29.893823] systemd[1]: Created slice system-modprobe.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-modprobe.slice[0m. [ 29.916621] random: systemd: uninitialized urandom read (16 bytes read) [ 29.932175] systemd[1]: Created slice system-serial\x2dgetty.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-serial\x2dgetty.slice[0m. [ 29.958286] systemd[1]: Created slice User and Session Slice. [[0;32m OK [0m] Created slice [0;1;39mUser and Session Slice[0m. [ 29.982117] 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. [ 30.009789] 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. [ 30.032870] systemd[1]: Condition check resulted in Arbitrary Executable File Formats File System Automount Point being skipped. [ 30.045174] systemd[1]: Reached target Local Encrypted Volumes. [[0;32m OK [0m] Reached target [0;1;39mLocal Encrypted Volumes[0m. [ 30.064590] systemd[1]: Reached target Paths. [[0;32m OK [0m] Reached target [0;1;39mPaths[0m. [ 30.084473] systemd[1]: Reached target Remote File Systems. [[0;32m OK [0m] Reached target [0;1;39mRemote File Systems[0m. [ 30.104616] systemd[1]: Reached target Slices. [[0;32m OK [0m] Reached target [0;1;39mSlices[0m. [ 30.124660] systemd[1]: Reached target Swap. [[0;32m OK [0m] Reached target [0;1;39mSwap[0m. [ 30.146112] systemd[1]: Listening on initctl Compatibility Named Pipe. [[0;32m OK [0m] Listening on [0;1;39minitctl Compatibility Named Pipe[0m. [ 30.172459] systemd[1]: Listening on Journal Audit Socket. [[0;32m OK [0m] Listening on [0;1;39mJournal Audit Socket[0m. [ 30.196231] systemd[1]: Listening on Journal Socket (/dev/log). [[0;32m OK [0m] Listening on [0;1;39mJournal Socket (/dev/log)[0m. [ 30.219294] systemd[1]: Listening on Journal Socket. [[0;32m OK [0m] Listening on [0;1;39mJournal Socket[0m. [ 30.239911] systemd[1]: Listening on Network Service Netlink Socket. [[0;32m OK [0m] Listening on [0;1;39mNetwork Service Netlink Socket[0m. [ 30.266406] systemd[1]: Listening on udev Control Socket. [[0;32m OK [0m] Listening on [0;1;39mudev Control Socket[0m. [ 30.290646] systemd[1]: Listening on udev Kernel Socket. [[0;32m OK [0m] Listening on [0;1;39mudev Kernel Socket[0m. [ 30.333497] systemd[1]: Mounting Huge Pages File System... Mounting [0;1;39mHuge Pages File System[0m... [ 30.373005] systemd[1]: Mounting POSIX Message Queue File System... Mounting [0;1;39mPOSIX Message Queue File System[0m... [ 30.417327] systemd[1]: Mounting Kernel Debug File System... Mounting [0;1;39mKernel Debug File System[0m... [ 30.457237] systemd[1]: Mounting Kernel Trace File System... Mounting [0;1;39mKernel Trace File System[0m... [ 30.515941] 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... [ 30.561879] systemd[1]: Starting Load Kernel Module configfs... Starting [0;1;39mLoad Kernel Module configfs[0m... [ 30.602092] systemd[1]: Starting Load Kernel Module drm... Starting [0;1;39mLoad Kernel Module drm[0m... [ 30.646890] systemd[1]: Starting Load Kernel Module fuse... Starting [0;1;39mLoad Kernel Module fuse[0m... [ 30.675017] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped. [ 30.717818] systemd[1]: Starting Journal Service... Starting [0;1;39mJournal Service[0m... [ 30.775078] fuse: init (API version 7.32) [ 30.802478] systemd[1]: Starting Load Kernel Modules... Starting [0;1;39mLoad Kernel Modules[0m... [ 30.840874] systemd[1]: Starting Remount Root and Kernel File Systems... Starting [0;1;39mRemount Root and Kernel File Systems[0m... [ 30.865166] random: systemd: uninitialized urandom read (16 bytes read) [ 30.892074] systemd[1]: Starting Coldplug All udev Devices... Starting [0;1;39mColdplug All udev Devices[0m... [ 30.949752] systemd[1]: Mounted Huge Pages File System. [[0;32m OK [0m] Mounted [0;1;39mHuge Pages File System[0m. [ 30.971177] systemd[1]: Mounted POSIX Message Queue File System. [[0;32m OK [0m] Mounted [0;1;39mPOSIX Message Queue File System[0m. [ 30.995409] systemd[1]: Mounted Kernel Debug File System. [[0;32m OK [0m] Mounted [0;1[ 31.002647] random: systemd-journal: uninitialized urandom read (16 bytes read) ;39mKernel Debug File System[0m. [ 31.027482] systemd[1]: Mounted Kernel Trace File System. [[0;32m OK [0m] Mounted [0;1;39mKernel Trace File System[0m. [ 31.060709] 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. [ 31.095710] systemd[1]: modprobe@configfs.service: Succeeded. [ 31.110298] systemd[1]: Finished Load Kernel Module configfs. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Module configfs[0m. [ 31.142479] systemd[1]: modprobe@drm.service: Succeeded. [ 31.156390] systemd[1]: Finished Load Kernel Module drm. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Module drm[0m. [ 31.186353] systemd[1]: modprobe@fuse.service: Succeeded. [ 31.200384] systemd[1]: Finished Load Kernel Module fuse. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Module fuse[0m. [ 31.231428] systemd[1]: Finished Load Kernel Modules. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Modules[0m. [ 31.258162] systemd[1]: Finished Remount Root and Kernel File Systems. [[0;32m OK [0m] Finished [0;1;39mRemount Root and Kernel File Systems[0m. [ 31.284539] random: systemd: uninitialized urandom read (16 bytes read) [ 31.311220] systemd[1]: Mounting FUSE Control File System... Mounting [0;1;39mFUSE Control File System[0m... [ 31.363490] systemd[1]: Mounting Kernel Configuration File System... Mounting [0;1;39mKernel Configuration File System[0m... [ 31.398462] systemd[1]: Condition check resulted in Rebuild Hardware Database being skipped. [ 31.408597] systemd[1]: Condition check resulted in Platform Persistent Storage Archival being skipped. [ 31.448801] systemd[1]: Starting Load/Save Random Seed... Starting [0;1;39mLoad/Save Random Seed[0m... [ 31.496930] systemd[1]: Starting Apply Kernel Variables... Starting [0;1;39mApply Kernel Variables[0m... [ 31.542854] systemd[1]: Starting Create System Users... Starting [0;1;39mCreate System Users[0m... [ 31.574430] systemd[1]: Started Journal Service. [[0;32m OK [0m] Started [0;1;39mJournal Service[0m. [[0;32m OK [0m] Mounted [0;1;39mFUSE Control File System[0m. [[0;32m OK [0m] Mounted [0;1;39mKernel Configuration File System[0m. Starting [0;1;39mFlush Journal to Persistent Storage[0m... [[0;32m OK [0m] Finished [0;1;39mApply Kernel Variables[0m. [ 31.880591] systemd-journald[241]: Received client request to flush runtime journal. [ 31.904339] random: systemd-journal: uninitialized urandom read (16 bytes read) [[0;32m OK [0m] Finished [0;1;39mCreate System Users[0m. [ 31.971673] random: systemd: uninitialized urandom read (16 bytes read) Starting [0;1;39mCreate Static Device Nodes in /dev[0m... [ 33.245654] random: crng init done [ 33.249386] 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;39mNetwork Time Synchronization[0m... Starting [0;1;39mUpdate UTMP about System Boot/Shutdown[0m... [[0;32m OK [0m] Started [0;1;39mNetwork Service[0m. Starting [0;1;39mNetwork Name Resolution[0m... [[0;32m OK [0m] Finished [0;1;39mUpdate UTMP about System Boot/Shutdown[0m. [[0;32m OK [0m] Started [0;1;39mNetwork Time Synchronization[0m. [[0;32m OK [0m] Reached target [0;1;39mSystem Initialization[0m. [[0;32m OK [0m] Started [0;1;39mDaily Cleanup of Temporary Directories[0m. [[0;32m OK [0m] Reached target [0;1;39mSystem Time Set[0m. [[0;32m OK [0m] Reached target [0;1;39mSystem Time Synchronized[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] 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] 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 5.10.161-cip22 #1 SMP PREEMPT Wed Dec 21 19:20:04 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/312272/extract-nfsrootfs-bisnz41s' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/312272/extract-nfsrootfs-bisnz41s' / # 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-312272/environment . /lava-312272/environment / # /lava-312272/bin/lava-test-runner /lava-312272/0 /lava-312272/bin/lava-test-runner /lava-312272/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-312272/0/tests/0_timesync-off ++ cat uuid + UUID=312272_1.6.2.4.1 + set +x + systemctl stop systemd-timesyncd + set +x + export TESTRUN_ID=1_kselftest-lkdtm + TESTRUN_ID=1_kselftest-lkdtm + cd /lava-312272/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=312272_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-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.158-cip22-142-g79bb6f9db05d/arm64/defconfig+kselftest/gcc-10/kselftest.tar.xz -L '' -S skipfile-lkft.yaml -b juno-uboot -g cip-gitlab -e '' -p /opt/kselftests/mainline/ -n 1 -i 1 INFO: Generating a skipfile based on /lava-312272/0/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 Get:1 http://deb.debian.org/debian bullseye InRelease [116 kB] Get:2 http://deb.debian.org/debian bullseye/main arm64 Packages [8072 kB] Get:3 http://deb.debian.org/debian bullseye/main Translation-en [6240 kB] Fetched 14.4 MB in 28s (506 kB/s) Reading package lists... Reading package lists... Building dependency tree... Reading state information... iproute2 is already the newest version (5.10.0-4). perl is already the newest version (5.32.1-4+deb11u2). sed is already the newest version (4.7-1). wget is already the newest version (1.21-1+deb11u1). xz-utils is already the newest version (5.2.5-2.1~deb11u1). 0 upgraded, 0 newly installed, 0 to remove and 17 not upgraded. --2022-12-22 15:00:25-- http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.158-cip22-142-g79bb6f9db05d/arm64/defconfig+kselftest/gcc-10/kselftest.tar.xz Resolving storage.kernelci.org (storage.kernelci.org)... 52.250.1.28 Connecting to storage.kernelci.org (storage.kernelci.org)|52.250.1.28|:80... connected. HTTP request sent, awaiting response... 200 OK Length: 1729848 (1.6M) [application/octet-stream] Saving to: 'kselftest.tar.xz' kselftest.tar.xz 0%[ ] 0 --.-KB/s kselftest.tar.xz 1%[ ] 19.04K 87.6KB/s kselftest.tar.xz 3%[ ] 52.05K 110KB/s kselftest.tar.xz 4%[ ] 80.33K 117KB/s kselftest.tar.xz 6%[> ] 105.78K 115KB/s kselftest.tar.xz 8%[> ] 135.48K 120KB/s kselftest.tar.xz 9%[> ] 163.76K 123KB/s kselftest.tar.xz 11%[=> ] 193.46K 124KB/s kselftest.tar.xz 13%[=> ] 224.57K 128KB/s kselftest.tar.xz 15%[==> ] 261.33K 133KB/s kselftest.tar.xz 17%[==> ] 292.44K 133KB/s kselftest.tar.xz 19%[==> ] 324.96K 135KB/s kselftest.tar.xz 21%[===> ] 361.73K 138KB/s kselftest.tar.xz 23%[===> ] 392.84K 139KB/s kselftest.tar.xz 25%[====> ] 426.78K 140KB/s eta 9s kselftest.tar.xz 27%[====> ] 467.78K 144KB/s eta 9s kselftest.tar.xz 29%[====> ] 501.72K 148KB/s eta 9s kselftest.tar.xz 31%[=====> ] 538.49K 150KB/s eta 9s kselftest.tar.xz 34%[=====> ] 583.74K 155KB/s eta 9s kselftest.tar.xz 36%[======> ] 623.33K 160KB/s eta 7s kselftest.tar.xz 39%[======> ] 661.51K 163KB/s eta 7s kselftest.tar.xz 42%[=======> ] 711.00K 170KB/s eta 7s kselftest.tar.xz 44%[=======> ] 756.25K 175KB/s eta 7s kselftest.tar.xz 47%[========> ] 797.26K 178KB/s eta 7s kselftest.tar.xz 50%[=========> ] 849.58K 183KB/s eta 5s kselftest.tar.xz 53%[=========> ] 896.25K 189KB/s eta 5s kselftest.tar.xz 55%[==========> ] 938.67K 192KB/s eta 5s kselftest.tar.xz 58%[==========> ] 988.16K 196KB/s eta 5s kselftest.tar.xz 61%[===========> ] 1.02M 204KB/s eta 5s kselftest.tar.xz 65%[============> ] 1.07M 210KB/s eta 3s kselftest.tar.xz 68%[============> ] 1.13M 216KB/s eta 3s kselftest.tar.xz 72%[=============> ] 1.20M 228KB/s eta 3s kselftest.tar.xz 77%[==============> ] 1.28M 236KB/s eta 3s kselftest.tar.xz 82%[===============> ] 1.36M 252KB/s eta 3s kselftest.tar.xz 86%[================> ] 1.43M 253KB/s eta 1s kselftest.tar.xz 94%[=================> ] 1.55M 278KB/s eta 1s kselftest.tar.xz 96%[==================> ] 1.59M 274KB/s eta 1s kselftest.tar.xz 100%[===================>] 1.65M 288KB/s in 7.9s 2022-12-22 15:00:33 (213 KB/s) - 'kselftest.tar.xz' saved [1729848/1729848] 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 ======================================== lkdtm:PANIC.sh lkdtm:BUG.sh lkdtm:WARNING.sh lkdtm:WARNING_MESSAGE.sh lkdtm:EXCEPTION.sh lkdtm:LOOP.sh lkdtm:EXHAUST_STACK.sh lkdtm:CORRUPT_STACK.sh lkdtm:CORRUPT_STACK_STRONG.sh lkdtm:CORRUPT_LIST_ADD.sh lkdtm:CORRUPT_LIST_DEL.sh lkdtm:STACK_GUARD_PAGE_LEADING.sh lkdtm:STACK_GUARD_PAGE_TRAILING.sh lkdtm:UNSET_SMEP.sh lkdtm:DOUBLE_FAULT.sh lkdtm:CORRUPT_PAC.sh lkdtm:UNALIGNED_LOAD_STORE_WRITE.sh lkdtm:OVERWRITE_ALLOCATION.sh lkdtm:WRITE_AFTER_FREE.sh lkdtm:READ_AFTER_FREE.sh lkdtm:WRITE_BUDDY_AFTER_FREE.sh lkdtm:READ_BUDDY_AFTER_FREE.sh lkdtm:SLAB_FREE_DOUBLE.sh lkdtm:SLAB_FREE_CROSS.sh lkdtm:SLAB_FREE_PAGE.sh lkdtm:SOFTLOCKUP.sh lkdtm:HARDLOCKUP.sh lkdtm:SPINLOCKUP.sh lkdtm:HUNG_TASK.sh lkdtm:EXEC_DATA.sh lkdtm:EXEC_STACK.sh lkdtm:EXEC_KMALLOC.sh lkdtm:EXEC_VMALLOC.sh lkdtm:EXEC_RODATA.sh lkdtm:EXEC_USERSPACE.sh lkdtm:EXEC_NULL.sh lkdtm:ACCESS_USERSPACE.sh lkdtm:ACCESS_NULL.sh lkdtm:WRITE_RO.sh lkdtm:WRITE_RO_AFTER_INIT.sh lkdtm:WRITE_KERN.sh lkdtm:REFCOUNT_INC_OVERFLOW.sh lkdtm:REFCOUNT_ADD_OVERFLOW.sh lkdtm:REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_DEC_ZERO.sh lkdtm:REFCOUNT_DEC_NEGATIVE.sh lkdtm:REFCOUNT_DEC_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_SUB_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_INC_ZERO.sh lkdtm:REFCOUNT_ADD_ZERO.sh lkdtm:REFCOUNT_INC_SATURATED.sh lkdtm:REFCOUNT_DEC_SATURATED.sh lkdtm:REFCOUNT_ADD_SATURATED.sh lkdtm:REFCOUNT_INC_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_DEC_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_SUB_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_TIMING.sh lkdtm:ATOMIC_TIMING.sh lkdtm:USERCOPY_HEAP_SIZE_TO.sh lkdtm:USERCOPY_HEAP_SIZE_FROM.sh lkdtm:USERCOPY_HEAP_WHITELIST_TO.sh lkdtm:USERCOPY_HEAP_WHITELIST_FROM.sh lkdtm:USERCOPY_STACK_FRAME_TO.sh lkdtm:USERCOPY_STACK_FRAME_FROM.sh lkdtm:USERCOPY_STACK_BEYOND.sh lkdtm:USERCOPY_KERNEL.sh lkdtm:STACKLEAK_ERASING.sh lkdtm:CFI_FORWARD_PROTO.sh ============== Tests to run =============== lkdtm:PANIC.sh lkdtm:BUG.sh lkdtm:WARNING.sh lkdtm:WARNING_MESSAGE.sh lkdtm:EXCEPTION.sh lkdtm:LOOP.sh lkdtm:EXHAUST_STACK.sh lkdtm:CORRUPT_STACK.sh lkdtm:CORRUPT_STACK_STRONG.sh lkdtm:CORRUPT_LIST_ADD.sh lkdtm:CORRUPT_LIST_DEL.sh lkdtm:STACK_GUARD_PAGE_LEADING.sh lkdtm:STACK_GUARD_PAGE_TRAILING.sh lkdtm:UNSET_SMEP.sh lkdtm:DOUBLE_FAULT.sh lkdtm:CORRUPT_PAC.sh lkdtm:UNALIGNED_LOAD_STORE_WRITE.sh lkdtm:OVERWRITE_ALLOCATION.sh lkdtm:WRITE_AFTER_FREE.sh lkdtm:READ_AFTER_FREE.sh lkdtm:WRITE_BUDDY_AFTER_FREE.sh lkdtm:READ_BUDDY_AFTER_FREE.sh lkdtm:SLAB_FREE_DOUBLE.sh lkdtm:SLAB_FREE_CROSS.sh lkdtm:SLAB_FREE_PAGE.sh lkdtm:SOFTLOCKUP.sh lkdtm:HARDLOCKUP.sh lkdtm:SPINLOCKUP.sh lkdtm:HUNG_TASK.sh lkdtm:EXEC_DATA.sh lkdtm:EXEC_STACK.sh lkdtm:EXEC_KMALLOC.sh lkdtm:EXEC_VMALLOC.sh lkdtm:EXEC_RODATA.sh lkdtm:EXEC_USERSPACE.sh lkdtm:EXEC_NULL.sh lkdtm:ACCESS_USERSPACE.sh lkdtm:ACCESS_NULL.sh lkdtm:WRITE_RO.sh lkdtm:WRITE_RO_AFTER_INIT.sh lkdtm:WRITE_KERN.sh lkdtm:REFCOUNT_INC_OVERFLOW.sh lkdtm:REFCOUNT_ADD_OVERFLOW.sh lkdtm:REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_DEC_ZERO.sh lkdtm:REFCOUNT_DEC_NEGATIVE.sh lkdtm:REFCOUNT_DEC_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_SUB_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_INC_ZERO.sh lkdtm:REFCOUNT_ADD_ZERO.sh lkdtm:REFCOUNT_INC_SATURATED.sh lkdtm:REFCOUNT_DEC_SATURATED.sh lkdtm:REFCOUNT_ADD_SATURATED.sh lkdtm:REFCOUNT_INC_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_DEC_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_SUB_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_TIMING.sh lkdtm:ATOMIC_TIMING.sh lkdtm:USERCOPY_HEAP_SIZE_TO.sh lkdtm:USERCOPY_HEAP_SIZE_FROM.sh lkdtm:USERCOPY_HEAP_WHITELIST_TO.sh lkdtm:USERCOPY_HEAP_WHITELIST_FROM.sh lkdtm:USERCOPY_STACK_FRAME_TO.sh lkdtm:USERCOPY_STACK_FRAME_FROM.sh lkdtm:USERCOPY_STACK_BEYOND.sh lkdtm:USERCOPY_KERNEL.sh lkdtm:STACKLEAK_ERASING.sh lkdtm:CFI_FORWARD_PROTO.sh ===========End Tests to run =============== [ 151.141292] 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 [ 152.213064] lkdtm: Performing direct entry BUG [ 152.217996] ------------[ cut here ]------------ [ 152.222641] kernel BUG at drivers/misc/lkdtm/bugs.c:76! [ 152.228012] Internal error: Oops - BUG: 0 [#1] PREEMPT SMP [ 152.233512] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 152.242988] CPU: 1 PID: 788 Comm: cat Not tainted 5.10.161-cip22 #1 [ 152.249267] Hardware name: ARM Juno development board (r0) (DT) [ 152.255201] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 152.261226] pc : lkdtm_BUG+0x8/0x10 [ 152.264722] lr : lkdtm_do_action+0x24/0x40 [ 152.268826] sp : ffff8000148d3d10 [ 152.272146] x29: ffff8000148d3d10 x28: ffff000807810000 [ 152.277480] x27: 0000000000000000 x26: 0000000000000000 [ 152.282814] x25: ffff8000114f1970 x24: ffff8000148d3e20 [ 152.288147] x23: 0000000000000004 x22: ffff0008038eb000 [ 152.293479] x21: ffff800011a03b18 x20: ffff8000114f1980 [ 152.298812] x19: 0000000000000001 x18: ffff800012aa7b90 [ 152.304144] x17: 0000000000000000 x16: 0000000000000000 [ 152.309476] x15: 0000000000000028 x14: 0000000000045080 [ 152.314808] x13: 0000000000000001 x12: 00000000841a8e43 [ 152.320140] x11: ffff000807810880 x10: ffff8000130d6000 [ 152.325472] x9 : ffff800010a0c284 x8 : 0000000000000000 [ 152.330805] x7 : ffff8000129c0000 x6 : ffff800012551000 [ 152.336137] x5 : ffff800012551c88 x4 : ffff00097ef2ac50 [ 152.341469] x3 : 0000000000000000 x2 : 0000000000000000 [ 152.346801] x1 : ffff000807810000 x0 : ffff800010a0c930 [ 152.352134] Call trace: [ 152.354587] lkdtm_BUG+0x8/0x10 [ 152.357735] direct_entry+0xd0/0x140 [ 152.361321] full_proxy_write+0x68/0xbc [ 152.365167] vfs_write+0xec/0x20c [ 152.368489] ksys_write+0x70/0x100 [ 152.371898] __arm64_sys_write+0x24/0x30 [ 152.375832] el0_svc_common.constprop.0+0x84/0x1e0 [ 152.380635] do_el0_svc+0x2c/0x94 [ 152.383960] el0_svc+0x20/0x30 [ 152.387020] el0_sync_handler+0xb0/0xb4 [ 152.390864] el0_sync+0x180/0x1c0 [ 152.394191] Code: d503201f d503201f aa1e03e9 d503201f (d4210000) [ 152.400302] ---[ end trace ce6c5c8a996b340c ]--- [ 152.404929] note: cat[788] exited with preempt_count 1 [ 152.410079] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 152.418972] in_atomic(): 0, irqs_disabled(): 128, non_block: 0, pid: 788, name: cat [ 152.426644] INFO: lockdep is turned off. [ 152.430574] irq event stamp: 1892 [ 152.433901] hardirqs last enabled at (1891): [] _raw_spin_unlock_irq+0x4c/0xa0 [ 152.442795] hardirqs last disabled at (1892): [] el1_dbg+0x24/0x50 [ 152.450558] softirqs last enabled at (1886): [] __do_softirq+0x5b8/0x638 [ 152.458931] softirqs last disabled at (1805): [] __irq_exit_rcu+0x174/0x1a0 [ 152.467477] CPU: 1 PID: 788 Comm: cat Tainted: G D 5.10.161-cip22 #1 [ 152.475149] Hardware name: ARM Juno development board (r0) (DT) [ 152.481080] Call trace: [ 152.483533] dump_backtrace+0x0/0x1e4 [ 152.487203] show_stack+0x20/0x2c [ 152.490527] dump_stack+0xf8/0x168 [ 152.493938] ___might_sleep+0x158/0x200 [ 152.497782] __might_sleep+0x58/0x90 [ 152.501367] exit_signals+0x34/0x24c [ 152.504951] do_exit+0xd8/0xb34 [ 152.508099] die+0x22c/0x26c [ 152.510986] bug_handler+0x54/0x74 [ 152.514396] call_break_hook+0x70/0x84 [ 152.518153] brk_handler+0x24/0x6c [ 152.521565] do_debug_exception+0xd4/0x150 [ 152.525672] el1_dbg+0x34/0x50 [ 152.528735] el1_sync_handler+0x9c/0xd0 [ 152.532580] el1_sync+0x88/0x140 [ 152.535815] lkdtm_BUG+0x8/0x10 [ 152.538963] direct_entry+0xd0/0x140 [ 152.542545] full_proxy_write+0x68/0xbc [ 152.546390] vfs_write+0xec/0x20c [ 152.549712] ksys_write+0x70/0x100 [ 152.553122] __arm64_sys_write+0x24/0x30 [ 152.557055] el0_svc_common.constprop.0+0x84/0x1e0 [ 152.561859] do_el0_svc+0x2c/0x94 [ 152.565182] el0_svc+0x20/0x30 [ 152.568243] el0_sync_handler+0xb0/0xb4 [ 152.572087] el0_sync+0x180/0x1c0 [ 152.576286] ------------[ cut here ]------------ [ 152.580925] WARNING: CPU: 1 PID: 0 at kernel/rcu/tree.c:624 rcu_eqs_enter.constprop.0+0xe4/0x140 [ 152.589729] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 152.599205] CPU: 1 PID: 0 Comm: swapper/1 Tainted: G D W 5.10.161-cip22 #1 [ 152.607226] Hardware name: ARM Juno development board (r0) (DT) [ 152.613168] pstate: 200003c5 (nzCv DAIF -PAN -UAO -TCO BTYPE=--) [ 152.619195] pc : rcu_eqs_enter.constprop.0+0xe4/0x140 [ 152.624262] lr : rcu_idle_enter+0x24/0xe0 [ 152.628283] sp : ffff8000135fbe90 [ 152.631609] x29: ffff8000135fbe90 x28: 0000000000000000 [ 152.636948] x27: 0000000000000000 x26: 0000000000000000 [ 152.642287] x25: 0000000000000000 x24: 00000023864129c8 [ 152.647628] x23: 0000000000000000 x22: ffff000806bed880 [ 152.652964] x21: ffff00097ef3e140 x20: ffff800011dbf380 [ 152.658296] x19: ffff00097ef40380 x18: 0000000000000000 [ 152.663628] x17: 0000000000000000 x16: 0000000000000000 [ 152.668965] x15: 0000000000000082 x14: 0000000000000000 [ 152.674297] x13: 000000000000071b x12: 071c71c71c71c71c [ 152.679629] x11: 000000000000071b x10: ffff00097ef3e4ac [ 152.684961] x9 : ffff800010e47c00 x8 : 0000000000000109 [ 152.690293] x7 : ffff00097ef3e4cc x6 : 000000019e56b1e3 [ 152.695625] x5 : 00ffffffffffffff x4 : 0000000000000015 [ 152.700957] x3 : 00000000042477b0 x2 : 0000000000000004 [ 152.706288] x1 : 4000000000000002 x0 : 4000000000000000 [ 152.711619] Call trace: [ 152.714074] rcu_eqs_enter.constprop.0+0xe4/0x140 [ 152.718789] rcu_idle_enter+0x24/0xe0 [ 152.722463] cpuidle_enter_state+0x22c/0x31c [ 152.726743] cpuidle_enter+0x40/0x60 [ 152.730328] do_idle+0x240/0x2d0 [ 152.733564] cpu_startup_entry+0x30/0x8c [ 152.737496] secondary_start_kernel+0x14c/0x190 [ 152.742035] irq event stamp: 520414 [ 152.745533] hardirqs last enabled at (520413): [] tick_nohz_idle_exit+0x78/0x1c4 [ 152.754601] hardirqs last disabled at (520414): [] __schedule+0x678/0x990 [ 152.762972] softirqs last enabled at (520410): [] _local_bh_enable+0x2c/0x50 [ 152.771691] softirqs last disabled at (520409): [] irq_enter_rcu+0x7c/0xa0 [ 152.780145] ---[ end trace ce6c5c8a996b340d ]--- # Segmentation fault # [ 152.213064] lkdtm: Performing direct entry BUG # [ 152.217996] ------------[ cut here ]------------ # [ 152.222641] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 152.228012] Internal error: Oops - BUG: 0 [#1] PREEMPT SMP # [ 152.233512] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 152.242988] CPU: 1 PID: 788 Comm: cat Not tainted 5.10.161-cip22 #1 # [ 152.249267] Hardware name: ARM Juno development board (r0) (DT) # [ 152.255201] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 152.261226] pc : lkdtm_BUG+0x8/0x10 # [ 152.264722] lr : lkdtm_do_action+0x24/0x40 # [ 152.268826] sp : ffff8000148d3d10 # [ 152.272146] x29: ffff8000148d3d10 x28: ffff000807810000 # [ 152.277480] x27: 0000000000000000 x26: 0000000000000000 # [ 152.282814] x25: ffff8000114f1970 x24: ffff8000148d3e20 # [ 152.288147] x23: 0000000000000004 x22: ffff0008038eb000 # [ 152.293479] x21: ffff800011a03b18 x20: ffff8000114f1980 # [ 152.298812] x19: 0000000000000001 x18: ffff800012aa7b90 # [ 152.304144] x17: 0000000000000000 x16: 0000000000000000 # [ 152.309476] x15: 0000000000000028 x14: 0000000000045080 # [ 152.314808] x13: 0000000000000001 x12: 00000000841a8e43 # [ 152.320140] x11: ffff000807810880 x10: ffff8000130d6000 # [ 152.325472] x9 : ffff800010a0c284 x8 : 0000000000000000 # [ 152.330805] x7 : ffff8000129c0000 x6 : ffff800012551000 # [ 152.336137] x5 : ffff800012551c88 x4 : ffff00097ef2ac50 # [ 152.341469] x3 : 0000000000000000 x2 : 0000000000000000 # [ 152.346801] x1 : ffff000807810000 x0 : ffff800010a0c930 # [ 152.352134] Call trace: # [ 152.354587] lkdtm_BUG+0x8/0x10 # [ 152.357735] direct_entry+0xd0/0x140 # [ 152.361321] full_proxy_write+0x68/0xbc # [ 152.365167] vfs_write+0xec/0x20c # [ 152.368489] ksys_write+0x70/0x100 # [ 152.371898] __arm64_sys_write+0x24/0x30 # [ 152.375832] el0_svc_common.constprop.0+0x84/0x1e0 # [ 152.380635] do_el0_svc+0x2c/0x94 # [ 152.383960] el0_svc+0x20/0x30 # [ 152.387020] el0_sync_handler+0xb0/0xb4 # [ 152.390864] el0_sync+0x180/0x1c0 # [ 152.394191] Code: d503201f d503201f aa1e03e9 d503201f (d4210000) # [ 152.400302] ---[ end trace ce6c5c8a996b340c ]--- # [ 152.404929] note: cat[788] exited with preempt_count 1 # [ 152.410079] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 152.418972] in_atomic(): 0, irqs_disabled(): 128, non_block: 0, pid: 788, name: cat # [ 152.426644] INFO: lockdep is turned off. # [ 152.430574] irq event stamp: 1892 # [ 152.433901] hardirqs last enabled at (1891): [] _raw_spin_unlock_irq+0x4c/0xa0 # [ 152.442795] hardirqs last disabled at (1892): [] el1_dbg+0x24/0x50 # [ 152.450558] softirqs last enabled at (1886): [] __do_softirq+0x5b8/0x638 # [ 152.458931] softirqs last disabled at (1805): [] __irq_exit_rcu+0x174/0x1a0 # [ 152.467477] CPU: 1 PID: 788 Comm: cat Tainted: G D 5.10.161-cip22 #1 # [ 152.475149] Hardware name: ARM Juno development board (r0) (DT) # [ 152.481080] Call trace: # [ 152.483533] dump_backtrace+0x0/0x1e4 # [ 152.487203] show_stack+0x20/0x2c # [ 152.490527] dump_stack+0xf8/0x168 # [ 152.493938] ___might_sleep+0x158/0x200 # [ 152.497782] __might_sleep+0x58/0x90 # [ 152.501367] exit_signals+0x34/0x24c # [ 152.504951] do_exit+0xd8/0xb34 # [ 152.508099] die+0x22c/0x26c # [ 152.510986] bug_handler+0x54/0x74 # [ 152.514396] call_break_hook+0x70/0x84 # [ 152.518153] brk_handler+0x24/0x6c # [ 152.521565] do_debug_exception+0xd4/0x150 # [ 152.525672] el1_dbg+0x34/0x50 # [ 152.528735] el1_sync_handler+0x9c/0xd0 # [ 152.532580] el1_sync+0x88/0x140 # [ 152.535815] lkdtm_BUG+0x8/0x10 # [ 152.538963] direct_entry+0xd0/0x140 # [ 152.542545] full_proxy_write+0x68/0xbc # [ 152.546390] vfs_write+0xec/0x20c # [ 152.549712] ksys_write+0x70/0x100 # [ 152.553122] __arm64_sys_write+0x24/0x30 # [ 152.557055] el0_svc_common.constprop.0+0x84/0x1e0 # [ 152.561859] do_el0_svc+0x2c/0x94 # [ 152.565182] el0_svc+0x20/0x30 # [ 152.568243] el0_sync_handler+0xb0/0xb4 # [ 152.572087] el0_sync+0x180/0x1c0 # [ 152.576286] ------------[ cut here ]------------ # [ 152.580925] WARNING: CPU: 1 PID: 0 at kernel/rcu/tree.c:624 rcu_eqs_enter.constprop.0+0xe4/0x140 # [ 152.589729] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 152.599205] CPU: 1 PID: 0 Comm: swapper/1 Tainted: G D W 5.10.161-cip22 #1 # [ 152.607226] Hardware name: ARM Juno development board (r0) (DT) # [ 152.613168] pstate: 200003c5 (nzCv DAIF -PAN -UAO -TCO BTYPE=--) # [ 152.619195] pc : rcu_eqs_en[ 153.204732] lkdtm: Performing direct entry WARNING ter.constprop.0+0xe4/0x140 # [ [ 153.212496] ------------[ cut here ]------------ 152.624262] lr : rcu_idle_enter[ 153.219795] WARNING: CPU: 3 PID: 826 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x28/0x34 +0x24/0xe0 # [ 152.628283] sp [ 153.231005] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc : ffff8000135fbe90 # [ 152.631[ 153.243197] CPU: 3 PID: 826 Comm: cat Tainted: G D W 5.10.161-cip22 #1 609] x29: ffff8000135fbe90 x28: 0[ 153.253636] Hardware name: ARM Juno development board (r0) (DT) 000000000000000 # [ 152.636948[ 153.262433] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) ] x27: 0000000000000000 x26: 0000[ 153.271308] pc : lkdtm_WARNING+0x28/0x34 000000000000 # [ 152.642287] x[ 153.278099] lr : lkdtm_do_action+0x24/0x40 25: 0000000000000000 x24: 000000[ 153.285060] sp : ffff8000149abd10 23864129c8 # [ 152.647628] x23[ 153.291154] x29: ffff8000149abd10 x28: ffff0008003fc980 : 0000000000000000 x22: ffff00080[ 153.299336] x27: 0000000000000000 x26: 0000000000000000 6bed880 # [ 152.652964] x21: f[ 153.307518] x25: ffff8000114f1970 x24: ffff8000149abe20 fff00097ef3e140 x20: ffff800011db[ 153.315700] x23: 0000000000000008 x22: ffff000807116000 f380 # [ 152.658296] x19: ffff[ 153.323883] x21: ffff800011a03b20 x20: ffff8000114f1990 00097ef40380 x18: 000000000000000[ 153.332065] x19: 0000000000000002 x18: 0000000000000000 0 # [ 152.663628] x17: 0000000[ 153.340248] x17: 0000000000000000 x16: 0000000000000000 000000000 x16: 0000000000000000 [ 153.348430] x15: 0000000000000030 x14: ffffffffffffffff # BUG: saw 'kernel BUG at': ok[ 153.356612] x13: ffff8000949aba07 x12: ffff8000149aba0f ok 2 selftests: lkdtm: BUG.sh [ 153.364707] x11: 0000000000000038 x10: ffff8000125d82d0 # selftests: lkdtm: WARNING.sh [ 153.372802] x9 : ffff800010a0c284 x8 : ffff8000125802d0 [ 153.380897] x7 : ffff8000125d82d0 x6 : ffff800012551000 [ 153.386237] x5 : ffff800012551c88 x4 : ffff00097ef6ec50 [ 153.391578] x3 : 0000000000000000 x2 : 0000000000000000 [ 153.396918] x1 : ffff80001348e000 x0 : 0000000000000001 [ 153.402258] Call trace: [ 153.404716] lkdtm_WARNING+0x28/0x34 [ 153.408304] direct_entry+0xd0/0x140 [ 153.411893] full_proxy_write+0x68/0xbc [ 153.415744] vfs_write+0xec/0x20c [ 153.419071] ksys_write+0x70/0x100 [ 153.422485] __arm64_sys_write+0x24/0x30 [ 153.426425] el0_svc_common.constprop.0+0x84/0x1e0 [ 153.431232] do_el0_svc+0x2c/0x94 [ 153.434563] el0_svc+0x20/0x30 [ 153.437628] el0_sync_handler+0xb0/0xb4 [ 153.441477] el0_sync+0x180/0x1c0 [ 153.444802] irq event stamp: 0 [ 153.447872] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 153.454163] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 [ 153.462366] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 [ 153.470566] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 153.476850] ---[ end trace ce6c5c8a996b340e ]--- # [ 153.204732] lkdtm: Performing direct entry WARNING # [ 153.212496] ------------[ cut here ]------------ # [ 153.219795] WARNING: CPU: 3 PID: 826 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x28/0x34 # [ 153.231005] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 153.243197] CPU: 3 PID: 826 Comm: cat Tainted: G D W 5.10.161-cip22 #1 # [ 153.253636] Hardware name: ARM Juno development board (r0) (DT) # [ 153.262433] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 153.271308] pc : lkdtm_WARNING+0x28/0x34 # [ 153.278099] lr : lkdtm_do_action+0x24/0x40 # [ 153.285060] sp : ffff8000149abd10 # [ 153.291154] x29: ffff8000149abd10 x28: ffff0008003fc980 # [ 153.299336] x27: 0000000000000000 x26: 0000000000000000 # [ 153.307518] x25: ffff8000114f1970 x24: ffff8000149abe20 # [ 153.315700] x23: 0000000000000008 x22: ffff000807116000 # [ 153.323883] x21: ffff800011a03b20 x20: ffff8000114f1990 # [ 153.332065] x19: 0000000000000002 x18: 0000000000000000 # [ 153.340248] x17: 0000000000000000 x16: 0000000000000000 # [ 153.348430] x15: 0000000000000030 x14: ffffffffffffffff # [ 153.356612] x13: ffff8000949aba07 x12: ffff8000149aba0f # [ 153.364707] x11: 0000000000000038 x10: ffff8000125d82d0 # [ 153.372802] x9 : ffff800010a0c284 x8 : ffff8000125802d0 # [ 153.380897] x7 : ffff8000125d82d0 x6 : ffff800012551000 # [ 153.386237] x5 : ffff800012551c88 x4 : ffff00097ef6ec50 # [ 153.391578] x3 : 0000000000000000 x2 : 0000000000000000 # [ 153.396918] x1 : ffff80001348e000 x0 : 0000000000000001 # [ 153.402258] Call trace: # [ 153.404716] lkdtm_WARNING+0x28/0x34 # [ 153.408304] direct_entry+0xd0/0x140 # [ 153.411893] full_proxy_write+0x68/0xbc # [ 153.415744] vfs_write+0xec/0x20c # [ 153.419071] ksys_write+0x70/0x100 # [ 153.422485] __arm64_sys_write+0x24/0x30 # [ 153.426425] el0_svc_common.constprop.0+0x84/0x1e0 # [ 153.431232] do_el0_svc+0x2c/0x94 # [ 153.434563] el0_svc+0x20/0x30 # [ 153.437628] el0_sync_handler+0xb0/0xb4 # [ 153.441477] el0_sync+0x180/0x1c0 # [ 153.444802] irq event stamp: 0 # [ 153.447872] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 153.454163] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 # [ 153.462366] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 # [ 153.470566] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 153.476850] ---[ end trace ce6c5c8a996b340e ]--- # WARNING: saw 'WARNING:': ok ok 3 selftests: lkdtm: WARNING.sh # selftests: lkdtm: WARNING_MESSAGE.sh [ 153.893166] lkdtm: Performing direct entry WARNING_MESSAGE [ 153.902373] ------------[ cut here ]------------ [ 153.913984] Warning message trigger count: 2 [ 153.918516] WARNING: CPU: 0 PID: 861 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x30/0x40 [ 153.927674] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 153.937178] CPU: 0 PID: 861 Comm: cat Tainted: G D W 5.10.161-cip22 #1 [ 153.944854] Hardware name: ARM Juno development board (r0) (DT) [ 153.950793] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 153.956820] pc : lkdtm_WARNING_MESSAGE+0x30/0x40 [ 153.961452] lr : lkdtm_WARNING_MESSAGE+0x30/0x40 [ 153.966081] sp : ffff800014a23d00 [ 153.969406] x29: ffff800014a23d00 x28: ffff000806894980 [ 153.974747] x27: 0000000000000000 x26: 0000000000000000 [ 153.980087] x25: ffff8000114f1970 x24: ffff800014a23e20 [ 153.985428] x23: 0000000000000010 x22: ffff0008033f6000 [ 153.990768] x21: ffff800011a03b28 x20: ffff8000114f19a0 [ 153.996109] x19: 0000000000000003 x18: 0000000000000000 [ 154.001449] x17: 0000000000000000 x16: 0000000000000000 [ 154.006789] x15: 0000000000000030 x14: ffffffffffffffff [ 154.012130] x13: ffff800094a239a7 x12: ffff800014a239af [ 154.017471] x11: ffff000800400000 x10: ffff8000125d82d0 [ 154.022811] x9 : ffff80001012dd74 x8 : ffff8000125802d0 [ 154.028152] x7 : ffff8000125d82d0 x6 : ffff800012551000 [ 154.033492] x5 : ffff800012551c88 x4 : ffff00097ef08c50 [ 154.038832] x3 : 0000000000000000 x2 : 0000000000000000 [ 154.044172] x1 : 0000000000000000 x0 : ffff000806894980 [ 154.049512] Call trace: [ 154.051971] lkdtm_WARNING_MESSAGE+0x30/0x40 [ 154.056256] lkdtm_do_action+0x24/0x40 [ 154.060018] direct_entry+0xd0/0x140 [ 154.063608] full_proxy_write+0x68/0xbc [ 154.067459] vfs_write+0xec/0x20c [ 154.070786] ksys_write+0x70/0x100 [ 154.074200] __arm64_sys_write+0x24/0x30 [ 154.078139] el0_svc_common.constprop.0+0x84/0x1e0 [ 154.082947] do_el0_svc+0x2c/0x94 [ 154.086277] el0_svc+0x20/0x30 [ 154.089343] el0_sync_handler+0xb0/0xb4 [ 154.093192] el0_sync+0x180/0x1c0 [ 154.096517] irq event stamp: 0 [ 154.099586] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 154.105876] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 [ 154.114079] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 [ 154.122280] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 154.128563] ---[ end trace ce6c5c8a996b340f ]--- # [ 153.893166] lkdtm: Performing direct entry WARNING_MESSAGE # [ 153.902373] ------------[ cut here ]------------ # [ 153.913984] Warning message trigger count: 2 # [ 153.918516] WARNING: CPU: 0 PID: 861 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x30/0x40 # [ 153.927674] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 153.937178] CPU: 0 PID: 861 Comm: cat Tainted: G D W 5.10.161-cip22 #1 # [ 153.944854] Hardware name: ARM Juno development board (r0) (DT) # [ 153.950793] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 153.956820] pc : lkdtm_WARNING_MESSAGE+0x30/0x40 # [ 153.961452] lr : lkdtm_WARNING_MESSAGE+0x30/0x40 # [ 153.966081] sp : ffff800014a23d00 # [ 153.969406] x29: ffff800014a23d00 x28: ffff000806894980 # [ 153.974747] x27: 0000000000000000 x26: 0000000000000000 # [ 153.980087] x25: ffff8000114f1970 x24: ffff800014a23e20 # [ 153.985428] x23: 0000000000000010 x22: ffff0008033f6000 # [ 153.990768] x21: ffff800011a03b28 x20: ffff8000114f19a0 # [ 153.996109] x19: 0000000000000003 x18: 0000000000000000 # [ 154.001449] x17: 0000000000000000 x16: 0000000000000000 # [ 154.006789] x15: 0000000000000030 x14: ffffffffffffffff # [ 154.012130] x13: ffff800094a239a7 x12: ffff800014a239af # [ 154.017471] x11: ffff000800400000 x10: ffff8000125d82d0 # [ 154.022811] x9 : ffff80001012dd74 x8 : ffff8000125802d0 # [ 154.028152] x7 : ffff8000125d82d0 x6 : ffff800012551000 # [ 154.033492] x5 : ffff800012551c88 x4 : ffff00097ef08c50 # [ 154.038832] x3 : 0000000000000000 x2 : 0000000000000000 # [ 154.044172] x1 : 0000000000000000 x0 : ffff000806894980 # [ 154.049512] Call trace: # [ 154.051971] lkdtm_WARNING_MESSAGE+0x30/0x40 # [ 154.056256] lkdtm_do_action+0x24/0x40 # [ 154.060018] direct_entry+0xd0/0x140 # [ 154.063608] full_proxy_write+0x68/0xbc # [ 154.067459] vfs_write+0xec/0x20c # [ 154.070786] ksys_write+0x70/0x100 # [ 154.074200] __arm64_sys_write+0x24/0x30 # [ 154.078139] el0_svc_common.constprop.0+0x84/0x1e0 # [ 154.082947] do_el0_svc+0x2c/0x94 # [ 154.086277] el0_svc+0x20/0x30 # [ 154.089343] el0_sync_handler+0xb0/0xb4 # [ 154.093192] el0_sync+0x180/0x1c0 # [ 154.096517] irq event stamp: 0 # [ 154.099586] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 154.105876] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 # [ 154.114079] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 # [ 154.122280] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 154.128563] ---[ end trace ce6c5c8a996b340f ]--- # WARNING_MESSAGE: saw 'message trigger': ok ok 4 selftests: lkdtm: WARNING_MESSAGE.sh # selftests: lkdtm: EXCEPTION.sh [ 154.536744] lkdtm: Performing direct entry EXCEPTION [ 154.541801] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000 [ 154.550741] Mem abort info: [ 154.553621] ESR = 0x96000044 [ 154.558893] EC = 0x25: DABT (current EL), IL = 32 bits [ 154.564863] SET = 0, FnV = 0 [ 154.567936] EA = 0, S1PTW = 0 [ 154.571136] Data abort info: [ 154.574050] ISV = 0, ISS = 0x00000044 [ 154.577916] CM = 0, WnR = 1 [ 154.580918] user pgtable: 4k pages, 48-bit VAs, pgdp=0000000883bd8000 [ 154.587398] [0000000000000000] pgd=0000000000000000, p4d=0000000000000000 [ 154.594278] Internal error: Oops: 96000044 [#2] PREEMPT SMP [ 154.599868] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 154.609345] CPU: 1 PID: 893 Comm: cat Tainted: G D W 5.10.161-cip22 #1 [ 154.617021] Hardware name: ARM Juno development board (r0) (DT) [ 154.622955] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 154.628985] pc : lkdtm_EXCEPTION+0x14/0x1c [ 154.633090] lr : lkdtm_do_action+0x24/0x40 [ 154.637195] sp : ffff800014a93d10 [ 154.640520] x29: ffff800014a93d10 x28: ffff000806891880 [ 154.645853] x27: 0000000000000000 x26: 0000000000000000 [ 154.651186] x25: ffff8000114f1970 x24: ffff800014a93e20 [ 154.656520] x23: 000000000000000a x22: ffff000804cde000 [ 154.661852] x21: ffff800011a03b38 x20: ffff8000114f19b0 [ 154.667182] x19: 0000000000000004 x18: 0000000000000000 [ 154.672513] x17: 0000000000000000 x16: 0000000000000000 [ 154.677844] x15: 0000000000000030 x14: ffffffffffffffff [ 154.683175] x13: ffff800094a93a07 x12: ffff800014a93a0f [ 154.688506] x11: 0000000000000008 x10: ffff8000125d82d0 [ 154.693837] x9 : ffff800010a0c284 x8 : ffff8000125802d0 [ 154.699169] x7 : ffff8000125d82d0 x6 : ffff800012551000 [ 154.704499] x5 : ffff800012551c88 x4 : ffff00097ef08c50 [ 154.709830] x3 : 0000000000000000 x2 : 0000000000000000 [ 154.715161] x1 : ffff000806891880 x0 : 0000000000000000 [ 154.720493] Call trace: [ 154.722945] lkdtm_EXCEPTION+0x14/0x1c [ 154.726701] direct_entry+0xd0/0x140 [ 154.730285] full_proxy_write+0x68/0xbc [ 154.734130] vfs_write+0xec/0x20c [ 154.737451] ksys_write+0x70/0x100 [ 154.740859] __arm64_sys_write+0x24/0x30 [ 154.744793] el0_svc_common.constprop.0+0x84/0x1e0 [ 154.749595] do_el0_svc+0x2c/0x94 [ 154.752919] el0_svc+0x20/0x30 [ 154.755979] el0_sync_handler+0xb0/0xb4 [ 154.759823] el0_sync+0x180/0x1c0 [ 154.763149] Code: d503201f d2800000 d503233f d50323bf (b900001f) [ 154.769258] ---[ end trace ce6c5c8a996b3410 ]--- # Segmentation fault # [ 154.536744] lkdtm: Performing direct entry EXCEPTION # [ 154.541801] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000 # [ 154.550741] Mem abort info: # [ 154.553621] ESR = 0x96000044 # [ 154.558893] EC = 0x25: DABT (current EL), IL = 32 bits # [ 154.564863] SET = 0, FnV = 0 # [ 154.567936] EA = 0, S1PTW = 0 # [ 154.571136] Data abort info: # [ 154.574050] ISV = 0, ISS = 0x00000044 # [ 154.577916] CM = 0, WnR = 1 # [ 154.580918] user pgtable: 4k pages, 48-bit VAs, pgdp=0000000883bd8000 # [ 154.587398] [0000000000000000] pgd=0000000000000000, p4d=0000000000000000 # [ 154.594278] Internal error: Oops: 96000044 [#2] PREEMPT SMP # [ 154.599868] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 154.609345] CPU: 1 PID: 893 Comm: cat Tainted: G D W 5.10.161-cip22 #1 # [ 154.617021] Hardware name: ARM Juno development board (r0) (DT) # [ 154.622955] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 154.628985] pc : lkdtm_EXCEPTION+0x14/0x1c # [ 154.633090] lr : lkdtm_do_action+0x24/0x40 # [ 154.637195] sp : ffff800014a93d10 # [ 154.640520] x29: ffff800014a93d10 x28: ffff000806891880 # [ 154.645853] x27: 0000000000000000 x26: 0000000000000000 # [ 154.651186] x25: ffff8000114f1970 x24: ffff800014a93e20 # [ 154.656520] x23: 000000000000000a x22: ffff000804cde000 # [ 154.661852] x21: ffff800011a03b38 x20: ffff8000114f19b0 # [ 154.667182] x19: 0000000000000004 x18: 0000000000000000 # [ 154.672513] x17: 0000000000000000 x16: 0000000000000000 # [ 154.677844] x15: 0000000000000030 x14: ffffffffffffffff # [ 154.683175] x13: ffff800094a93a07 x12: ffff800014a93a0f # [ 154.688506] x11: 0000000000000008 x10: ffff8000125d82d0 # [ 154.693837] x9 : ffff800010a0c284 x8 : ffff8000125802d0 # [ 154.699169] x7 : ffff8000125d82d0 x6 : ffff800012551000 # [ 154.704499] x5 : ffff800012551c88 x4 : ffff00097ef08c50 # [ 154.709830] x3 : 0000000000000000 x2 : 0000000000000000 # [ 154.715161] x1 : ffff000806891880 x0 : 0000000000000000 # [ 154.720493] Call trace: # [ 154.722945] lkdtm_EXCEPTION+0x14/0x1c # [ 154.726701] direct_entry+0xd0/0x140 # [ 154.730285] full_proxy_write+0x68/0xbc # [ 154.734130] vfs_write+0xec/0x20c # [ 154.737451] ksys_write+0x70/0x100 # [ 154.740859] __arm64_sys_write+0x24/0x30 # [ 154.744793] el0_svc_common.constprop.0+0x84/0x1e0 # [ 154.749595] do_el0_svc+0x2c/0x94 # [ 154.752919] el0_svc+0x20/0x30 # [ 154.755979] el0_sync_handler+0xb0/0xb4 # [ 154.759823] el0_sync+0x180/0x1c0 # [ 154.763149] Code: d503201f d2800000 d503233f d50323bf (b900001f) # [ 154.769258] ---[ end trace ce6c5c8a996b3410 ]--- # 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 [ 156.083185] lkdtm: Performing direct entry CORRUPT_LIST_ADD [ 156.088874] lkdtm: attempting good list addition [ 156.093579] lkdtm: attempting corrupted list addition [ 156.098700] lkdtm: list_add() corruption not detected! # [ 156.083185] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 156.088874] lkdtm: attempting good list addition # [ 156.093579] lkdtm: attempting corrupted list addition # [ 156.098700] 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 [ 156.519463] lkdtm: Performing direct entry CORRUPT_LIST_DEL [ 156.525219] lkdtm: attempting good list removal [ 156.529907] lkdtm: attempting corrupted list removal [ 156.534959] lkdtm: list_del() corruption not detected! # [ 156.519463] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 156.525219] lkdtm: attempting good list removal # [ 156.529907] lkdtm: attempting corrupted list removal # [ 156.534959] 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 [ 156.923760] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING [ 156.930206] lkdtm: attempting bad read from page below current stack [ 156.936736] Unable to handle kernel paging request at virtual address ffff800014ee7fff [ 156.945209] Mem abort info: [ 156.948075] ESR = 0x96000007 [ 156.951144] EC = 0x25: DABT (current EL), IL = 32 bits [ 156.956505] SET = 0, FnV = 0 [ 156.959570] EA = 0, S1PTW = 0 [ 156.962742] Data abort info: [ 156.965673] ISV = 0, ISS = 0x00000007 [ 156.969539] CM = 0, WnR = 0 [ 156.972538] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081dbf000 [ 156.979274] [ffff800014ee7fff] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=00000008871a7003, pte=0000000000000000 [ 156.991895] Internal error: Oops: 96000007 [#3] PREEMPT SMP [ 156.997484] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 157.006959] CPU: 1 PID: 1128 Comm: cat Tainted: G D W 5.10.161-cip22 #1 [ 157.014718] Hardware name: ARM Juno development board (r0) (DT) [ 157.020652] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 157.026679] pc : lkdtm_STACK_GUARD_PAGE_LEADING+0x34/0x58 [ 157.032092] lr : lkdtm_STACK_GUARD_PAGE_LEADING+0x2c/0x58 [ 157.037502] sp : ffff800014eebce0 [ 157.040826] x29: ffff800014eebce0 x28: ffff0008050ce200 [ 157.046159] x27: 0000000000000000 x26: 0000000000000000 [ 157.051491] x25: ffff8000114f1970 x24: ffff800014eebe20 [ 157.056822] x23: 0000000000000019 x22: ffff000807ba0000 [ 157.062153] x21: ffff800011a03bb8 x20: ffff8000114f1a20 [ 157.067484] x19: ffff800014ee8000 x18: 0000000000000000 [ 157.072815] x17: 0000000000000000 x16: 0000000000000000 [ 157.078145] x15: 0000000000000030 x14: ffffffffffffffff [ 157.083477] x13: ffff800094eeb9c7 x12: ffff800014eeb9cf [ 157.088807] x11: 0000000000000000 x10: 0000000000001440 [ 157.094139] x9 : ffff80001012dd74 x8 : ffff0008050cf6a0 [ 157.099470] x7 : 0000000000000000 x6 : ffff800012551000 [ 157.104801] x5 : ffff800012551c88 x4 : ffff00097ef08c50 [ 157.110132] x3 : 0000000000000000 x2 : 0000000000000000 [ 157.115463] x1 : ffff0008050ce200 x0 : ffff800011a04678 [ 157.120795] Call trace: [ 157.123248] lkdtm_STACK_GUARD_PAGE_LEADING+0x34/0x58 [ 157.128312] lkdtm_do_action+0x24/0x40 [ 157.132069] direct_entry+0xd0/0x140 [ 157.135652] full_proxy_write+0x68/0xbc [ 157.139497] vfs_write+0xec/0x20c [ 157.142818] ksys_write+0x70/0x100 [ 157.146227] __arm64_sys_write+0x24/0x30 [ 157.150160] el0_svc_common.constprop.0+0x84/0x1e0 [ 157.154962] do_el0_svc+0x2c/0x94 [ 157.158285] el0_svc+0x20/0x30 [ 157.161345] el0_sync_handler+0xb0/0xb4 [ 157.165188] el0_sync+0x180/0x1c0 [ 157.168514] Code: 9118e000 97ffe071 90003e00 9119e000 (385ff261) [ 157.174624] ---[ end trace ce6c5c8a996b3411 ]--- # Segmentation fault # [ 156.923760] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 156.930206] lkdtm: attempting bad read from page below current stack # [ 156.936736] Unable to handle kernel paging request at virtual address ffff800014ee7fff # [ 156.945209] Mem abort info: # [ 156.948075] ESR = 0x96000007 # [ 156.951144] EC = 0x25: DABT (current EL), IL = 32 bits # [ 156.956505] SET = 0, FnV = 0 # [ 156.959570] EA = 0, S1PTW = 0 # [ 156.962742] Data abort info: # [ 156.965673] ISV = 0, ISS = 0x00000007 # [ 156.969539] CM = 0, WnR = 0 # [ 156.972538] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081dbf000 # [ 156.979274] [ffff800014ee7fff] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=00000008871a7003, pte=0000000000000000 # [ 156.991895] Internal error: Oops: 96000007 [#3] PREEMPT SMP # [ 156.997484] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 157.006959] CPU: 1 PID: 1128 Comm: cat Tainted: G D W 5.10.161-cip22 #1 # [ 157.014718] Hardware name: ARM Juno development board (r0) (DT) # [ 157.020652] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 157.026679] pc : lkdtm_STACK_GUARD_PAGE_LEADING+0x34/0x58 # [ 157.032092] lr : lkdtm_STACK_GUARD_PAGE_LEADING+0x2c/0x58 # [ 157.037502] sp : ffff800014eebce0 # [ 157.040826] x29: ffff800014eebce0 x28: ffff0008050ce200 # [ 157.046159] x27: 0000000000000000 x26: 0000000000000000 # [ 157.051491] x25: ffff8000114f1970 x24: ffff800014eebe20 # [ 157.056822] x23: 0000000000000019 x22: ffff000807ba0000 # [ 157.062153] x21: ffff800011a03bb8 x20: ffff8000114f1a20 # [ 157.067484] x19: ffff800014ee8000 x18: 0000000000000000 # [ 157.072815] x17: 0000000000000000 x16: 0000000000000000 # [ 157.078145] x15: 0000000000000030 x14: ffffffffffffffff # [ 157.083477] x13: ffff800094eeb9c7 x12: ffff800014eeb9cf # [ 157.088807] x11: 0000000000000000 x10: 0000000000001440 # [ 157.094139] x9 : ffff80001012dd74 x8 : ffff0008050cf6a0 # [ 157.099470] x7 : 0000000000000000 x6 : ffff800012551000 # [ 157.104801] x5 : ffff800012551c88 x4 : ffff00097ef08c50 # [ 157.110132] x3 : 0000000000000000 x2 : 0000000000000000 # [ 157.115463] x1 : ffff0008050ce200 x0 : ffff800011a04678 # [ 157.120795] Call trace: # [ 157.123248] lkdtm_STACK_GUARD_PAGE_LEADING+0x34/0x58 # [ 157.128312] lkdtm_do_action+0x24/0x40 # [ 157.132069] direct_entry+0xd0/0x140 # [ 157.135652] full_proxy_write+0x68/0xbc # [ 157.139497] vfs_write+0xec/0x20c # [ 157.142818] ksys_write+0x70/0x100 # [ 157.146227] __arm64_sys_write+0x24/0x30 # [ 157.150160] el0_svc_common.constprop.0+0x84/0x1e0 # [ 157.154962] do_el0_svc+0x2c/0x94 # [ 157.158285] el0_svc+0x20/0x30 # [ 157.161345] el0_sync_handler+0xb0/0xb4 # [ 157.165188] el0_sync+0x180/0x1c0 # [ 157.168514] Code: 9118e000 97ffe071 90003e00 9119e000 (385ff261) # [ 157.174624] ---[ end trace ce6c5c8a996b3411 ]--- # STACK_GUARD_PAGE_LEADING: saw 'call trace:': ok ok 12 selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh # selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh [ 157.571216] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING [ 157.577764] lkdtm: attempting bad read from page above current stack [ 157.584279] Unable to handle kernel paging request at virtual address ffff800014f84000 [ 157.592298] Mem abort info: [ 157.595114] ESR = 0x96000007 [ 157.598495] EC = 0x25: DABT (current EL), IL = 32 bits [ 157.603879] SET = 0, FnV = 0 [ 157.606971] EA = 0, S1PTW = 0 [ 157.610146] Data abort info: [ 157.613059] ISV = 0, ISS = 0x00000007 [ 157.616928] CM = 0, WnR = 0 [ 157.619907] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081dbf000 [ 157.626642] [ffff800014f84000] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=00000008871a7003, pte=0000000000000000 [ 157.639263] Internal error: Oops: 96000007 [#4] PREEMPT SMP [ 157.644852] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 157.654332] CPU: 2 PID: 1173 Comm: cat Tainted: G D W 5.10.161-cip22 #1 [ 157.662094] Hardware name: ARM Juno development board (r0) (DT) [ 157.668029] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 157.674054] pc : lkdtm_STACK_GUARD_PAGE_TRAILING+0x38/0x5c [ 157.679553] lr : lkdtm_STACK_GUARD_PAGE_TRAILING+0x2c/0x5c [ 157.685051] sp : ffff800014f83ce0 [ 157.688374] x29: ffff800014f83ce0 x28: ffff0008084c9880 [ 157.693711] x27: 0000000000000000 x26: 0000000000000000 [ 157.699044] x25: ffff8000114f1970 x24: ffff800014f83e20 [ 157.704374] x23: 000000000000001a x22: ffff0008031b7000 [ 157.709705] x21: ffff800011a03bd8 x20: ffff8000114f1a30 [ 157.715036] x19: ffff800014f84000 x18: 0000000000000000 [ 157.720367] x17: 0000000000000000 x16: 0000000000000000 [ 157.725698] x15: 0000000000000030 x14: ffffffffffffffff [ 157.731028] x13: ffff800094f839c7 x12: ffff800014f839cf [ 157.736359] x11: 0000014bbc65d6ae x10: 0000000000001440 [ 157.741690] x9 : ffff80001012dd74 x8 : ffff0008084cad20 [ 157.747021] x7 : 0000000000000000 x6 : ffff800012551000 [ 157.752352] x5 : ffff800012551c88 x4 : ffff00097ef90c50 [ 157.757683] x3 : 0000000000000000 x2 : 0000000000000000 [ 157.763013] x1 : ffff0008084c9880 x0 : ffff800011a046f0 [ 157.768345] Call trace: [ 157.770797] lkdtm_STACK_GUARD_PAGE_TRAILING+0x38/0x5c [ 157.775948] lkdtm_do_action+0x24/0x40 [ 157.779705] direct_entry+0xd0/0x140 [ 157.783288] full_proxy_write+0x68/0xbc [ 157.787134] vfs_write+0xec/0x20c [ 157.790455] ksys_write+0x70/0x100 [ 157.793864] __arm64_sys_write+0x24/0x30 [ 157.797798] el0_svc_common.constprop.0+0x84/0x1e0 [ 157.802599] do_el0_svc+0x2c/0x94 [ 157.805923] el0_svc+0x20/0x30 [ 157.808983] el0_sync_handler+0xb0/0xb4 [ 157.812826] el0_sync+0x180/0x1c0 [ 157.816152] Code: 97ffe05b 91401273 90003e00 911bc000 (39400261) [ 157.822262] ---[ end trace ce6c5c8a996b3412 ]--- # Segmentation fault # [ 157.571216] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING # [ 157.577764] lkdtm: attempting bad read from page above current stack # [ 157.584279] Unable to handle kernel paging request at virtual address ffff800014f84000 # [ 157.592298] Mem abort info: # [ 157.595114] ESR = 0x96000007 # [ 157.598495] EC = 0x25: DABT (current EL), IL = 32 bits # [ 157.603879] SET = 0, FnV = 0 # [ 157.606971] EA = 0, S1PTW = 0 # [ 157.610146] Data abort info: # [ 157.613059] ISV = 0, ISS = 0x00000007 # [ 157.616928] CM = 0, WnR = 0 # [ 157.619907] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081dbf000 # [ 157.626642] [ffff800014f84000] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=00000008871a7003, pte=0000000000000000 # [ 157.639263] Internal error: Oops: 96000007 [#4] PREEMPT SMP # [ 157.644852] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 157.654332] CPU: 2 PID: 1173 Comm: cat Tainted: G D W 5.10.161-cip22 #1 # [ 157.662094] Hardware name: ARM Juno development board (r0) (DT) # [ 157.668029] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 157.674054] pc : lkdtm_STACK_GUARD_PAGE_TRAILING+0x38/0x5c # [ 157.679553] lr : lkdtm_STACK_GUARD_PAGE_TRAILING+0x2c/0x5c # [ 157.685051] sp : ffff800014f83ce0 # [ 157.688374] x29: ffff800014f83ce0 x28: ffff0008084c9880 # [ 157.693711] x27: 0000000000000000 x26: 0000000000000000 # [ 157.699044] x25: ffff8000114f1970 x24: ffff800014f83e20 # [ 157.704374] x23: 000000000000001a x22: ffff0008031b7000 # [ 157.709705] x21: ffff800011a03bd8 x20: ffff8000114f1a30 # [ 157.715036] x19: ffff800014f84000 x18: 0000000000000000 # [ 157.720367] x17: 0000000000000000 x16: 0000000000000000 # [ 157.725698] x15: 0000000000000030 x14: ffffffffffffffff # [ 157.731028] x13: ffff800094f839c7 x12: ffff800014f839cf # [ 157.736359] x11: 0000014bbc65d6ae x10: 0000000000001440 # [ 157.741690] x9 : ffff80001012dd74 x8 : ffff0008084cad20 # [ 157.747021] x7 : 0000000000000000 x6 : ffff800012551000 # [ 157.752352] x5 : ffff800012551c88 x4 : ffff00097ef90c50 # [ 157.757683] x3 : 0000000000000000 x2 : 0000000000000000 # [ 157.763013] x1 : ffff0008084c9880 x0 : ffff800011a046f0 # [ 157.768345] Call trace: # [ 157.770797] lkdtm_STACK_GUARD_PAGE_TRAILING+0x38/0x5c # [ 157.775948] lkdtm_do_action+0x24/0x40 # [ 157.779705] direct_entry+0xd0/0x140 # [ 157.783288] full_proxy_write+0x68/0xbc # [ 157.787134] vfs_write+0xec/0x20c # [ 157.790455] ksys_write+0x70/0x100 # [ 157.793864] __arm64_sys_write+0x24/0x30 # [ 157.797798] el0_svc_common.constprop.0+0x84/0x1e0 # [ 157.802599] do_el0_svc+0x2c/0x94 # [ 157.805923] el0_svc+0x20/0x30 # [ 157.808983] el0_sync_handler+0xb0/0xb4 # [ 157.812826] el0_sync+0x180/0x1c0 # [ 157.816152] Code: 97ffe05b 91401273 90003e00 911bc000 (39400261) # [ 157.822262] ---[ end trace ce6c5c8a996b3412 ]--- # STACK_GUARD_PAGE_TRAILING: saw 'call trace:': ok ok 13 selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # selftests: lkdtm: UNSET_SMEP.sh [ 158.233441] lkdtm: Performing direct entry UNSET_SMEP [ 158.238586] lkdtm: XFAIL: this test is x86_64-only # [ 158.233441] lkdtm: Performing direct entry UNSET_SMEP # [ 158.238586] 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 [ 158.648042] lkdtm: Performing direct entry DOUBLE_FAULT [ 158.653338] lkdtm: XFAIL: this test is ia32-only # [ 158.648042] lkdtm: Performing direct entry DOUBLE_FAULT # [ 158.653338] 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 [ 159.028967] lkdtm: Performing direct entry CORRUPT_PAC [ 159.034188] lkdtm: FAIL: CPU lacks pointer authentication feature # [ 159.028967] lkdtm: Performing direct entry CORRUPT_PAC # [ 159.034188] 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 [ 159.422258] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE [ 159.428797] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS # [ 159.422258] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # [ 159.428797] 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 [ 160.260610] lkdtm: Performing direct entry READ_AFTER_FREE [ 160.266184] lkdtm: Value in memory before free: 12345678 [ 160.271569] lkdtm: Attempting bad read from freed memory [ 160.276950] lkdtm: Memory was not poisoned # [ 160.260610] lkdtm: Performing direct entry READ_AFTER_FREE # [ 160.266184] lkdtm: Value in memory before free: 12345678 # [ 160.271569] lkdtm: Attempting bad read from freed memory # [ 160.276950] 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 [ 160.880798] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE [ 160.886889] lkdtm: Value in memory before free: 12345678 [ 160.892355] lkdtm: Attempting to read from freed memory [ 160.897680] lkdtm: Buddy page was not poisoned # [ 160.880798] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE # [ 160.886889] lkdtm: Value in memory before free: 12345678 # [ 160.892355] lkdtm: Attempting to read from freed memory # [ 160.897680] 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 [ 161.294593] lkdtm: Performing direct entry SLAB_FREE_DOUBLE [ 161.300281] lkdtm: Attempting double slab free ... # [ 161.294593] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 161.300281] 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 [ 161.704421] lkdtm: Performing direct entry SLAB_FREE_CROSS [ 161.709998] lkdtm: Attempting cross-cache slab free ... # [ 161.704421] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 161.709998] 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 [ 162.093727] lkdtm: Performing direct entry SLAB_FREE_PAGE [ 162.099205] lkdtm: Attempting non-Slab slab free ... # [ 162.093727] lkdtm: Performing direct entry SLAB_FREE_PAGE # [ 162.099205] 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 [ 163.373426] lkdtm: Performing direct entry EXEC_DATA [ 163.378471] lkdtm: attempting ok execution at ffff800010a0d1c0 [ 163.384547] lkdtm: attempting bad execution at ffff80001348e598 [ 163.390547] Unable to handle kernel execute from non-executable memory at virtual address ffff80001348e598 [ 163.400401] Mem abort info: [ 163.403215] ESR = 0x8600000f [ 163.406326] EC = 0x21: IABT (current EL), IL = 32 bits [ 163.411671] SET = 0, FnV = 0 [ 163.414755] EA = 0, S1PTW = 0 [ 163.417927] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081dbf000 [ 163.424666] [ffff80001348e598] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=00000009ffff9003, pte=007800008368e703 [ 163.437285] Internal error: Oops: 8600000f [#5] PREEMPT SMP [ 163.442874] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 163.452350] CPU: 2 PID: 1730 Comm: cat Tainted: G D W 5.10.161-cip22 #1 [ 163.460111] Hardware name: ARM Juno development board (r0) (DT) [ 163.466049] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 163.472075] pc : data_area+0x0/0x40 [ 163.475577] lr : execute_location+0x84/0xa4 [ 163.479767] sp : ffff8000158cbcd0 [ 163.483087] x29: ffff8000158cbcd0 x28: ffff000807a88000 [ 163.488419] x27: 0000000000000000 x26: 0000000000000000 [ 163.493751] x25: ffff8000114f1970 x24: ffff8000158cbe20 [ 163.499083] x23: 000000000000000a x22: ffff000807999000 [ 163.504414] x21: 0000000000000001 x20: ffff800010a0d1c0 [ 163.509745] x19: ffff80001348e598 x18: 0000000000000000 [ 163.515076] x17: 0000000000000000 x16: 0000000000000000 [ 163.520407] x15: 0000000000000030 x14: ffffffffffffffff [ 163.525738] x13: ffff8000958cb9b7 x12: ffff8000158cb9bf [ 163.531068] x11: 0000000000000008 x10: ffff8000125d82d0 [ 163.536400] x9 : ffff80001012dd74 x8 : ffff8000125802d0 [ 163.541731] x7 : ffff8000125d82d0 x6 : ffff800012551000 [ 163.547061] x5 : ffff800012551c88 x4 : ffff00097ef90c50 [ 163.552392] x3 : 0000000000000000 x2 : 0000000000000000 [ 163.557723] x1 : ffff000807a88000 x0 : 0000000000000033 [ 163.563054] Call trace: [ 163.565507] data_area+0x0/0x40 [ 163.568655] lkdtm_EXEC_DATA+0x24/0x30 [ 163.572412] lkdtm_do_action+0x24/0x40 [ 163.576168] direct_entry+0xd0/0x140 [ 163.579752] full_proxy_write+0x68/0xbc [ 163.583596] vfs_write+0xec/0x20c [ 163.586917] ksys_write+0x70/0x100 [ 163.590325] __arm64_sys_write+0x24/0x30 [ 163.594258] el0_svc_common.constprop.0+0x84/0x1e0 [ 163.599060] do_el0_svc+0x2c/0x94 [ 163.602383] el0_svc+0x20/0x30 [ 163.605443] el0_sync_handler+0xb0/0xb4 [ 163.609286] el0_sync+0x180/0x1c0 [ 163.612612] Code: 067cfc00 ffff0008 067cfd00 ffff0008 (aa1e03e9) [ 163.618722] ---[ end trace ce6c5c8a996b3413 ]--- # Segmentation fault # [ 163.373426] lkdtm: Performing direct entry EXEC_DATA # [ 163.378471] lkdtm: attempting ok execution at ffff800010a0d1c0 # [ 163.384547] lkdtm: attempting bad execution at ffff80001348e598 # [ 163.390547] Unable to handle kernel execute from non-executable memory at virtual address ffff80001348e598 # [ 163.400401] Mem abort info: # [ 163.403215] ESR = 0x8600000f # [ 163.406326] EC = 0x21: IABT (current EL), IL = 32 bits # [ 163.411671] SET = 0, FnV = 0 # [ 163.414755] EA = 0, S1PTW = 0 # [ 163.417927] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081dbf000 # [ 163.424666] [ffff80001348e598] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=00000009ffff9003, pte=007800008368e703 # [ 163.437285] Internal error: Oops: 8600000f [#5] PREEMPT SMP # [ 163.442874] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 163.452350] CPU: 2 PID: 1730 Comm: cat Tainted: G D W 5.10.161-cip22 #1 # [ 163.460111] Hardware name: ARM Juno development board (r0) (DT) # [ 163.466049] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 163.472075] pc : data_area+0x0/0x40 # [ 163.475577] lr : execute_location+0x84/0xa4 # [ 163.479767] sp : ffff8000158cbcd0 # [ 163.483087] x29: ffff8000158cbcd0 x28: ffff000807a88000 # [ 163.488419] x27: 0000000000000000 x26: 0000000000000000 # [ 163.493751] x25: ffff8000114f1970 x24: ffff8000158cbe20 # [ 163.499083] x23: 000000000000000a x22: ffff000807999000 # [ 163.504414] x21: 0000000000000001 x20: ffff800010a0d1c0 # [ 163.509745] x19: ffff80001348e598 x18: 0000000000000000 # [ 163.515076] x17: 0000000000000000 x16: 0000000000000000 # [ 163.520407] x15: 0000000000000030 x14: ffffffffffffffff # [ 163.525738] x13: ffff8000958cb9b7 x12: ffff8000158cb9bf # [ 163.531068] x11: 0000000000000008 x10: ffff8000125d82d0 # [ 163.536400] x9 : ffff80001012dd74 x8 : ffff8000125802d0 # [ 163.541731] x7 : ffff8000125d82d0 x6 : ffff800012551000 # [ 163.547061] x5 : ffff800012551c88 x4 : ffff00097ef90c50 # [ 163.552392] x3 : 0000000000000000 x2 : 0000000000000000 # [ 163.557723] x1 : ffff000807a88000 x0 : 0000000000000033 # [ 163.563054] Call trace: # [ 163.565507] data_area+0x0/0x40 # [ 163.568655] lkdtm_EXEC_DATA+0x24/0x30 # [ 163.572412] lkdtm_do_action+0x24/0x40 # [ 163.576168] direct_entry+0xd0/0x140 # [ 163.579752] full_proxy_write+0x68/0xbc # [ 163.583596] vfs_write+0xec/0x20c # [ 163.586917] ksys_write+0x70/0x100 # [ 163.590325] __arm64_sys_write+0x24/0x30 # [ 163.594258] el0_svc_common.constprop.0+0x84/0x1e0 # [ 163.599060] do_el0_svc+0x2c/0x94 # [ 163.602383] el0_svc+0x20/0x30 # [ 163.605443] el0_sync_handler+0xb0/0xb4 # [ 163.609286] el0_sync+0x180/0x1c0 # [ 163.612612] Code: 067cfc00 ffff0008 067cfd00 ffff0008 (aa1e03e9) # [ 163.618722] ---[ end trace ce6c5c8a996b3413 ]--- # EXEC_DATA: saw 'call trace:': ok ok 30 selftests: lkdtm: EXEC_DATA.sh # selftests: lkdtm: EXEC_STACK.sh [ 164.011680] lkdtm: Performing direct entry EXEC_STACK [ 164.016832] lkdtm: attempting ok execution at ffff800010a0d1c0 [ 164.022895] lkdtm: attempting bad execution at ffff80001594bcc8 [ 164.028892] Unable to handle kernel execute from non-executable memory at virtual address ffff80001594bcc8 [ 164.038688] Mem abort info: [ 164.041627] ESR = 0x8600000f [ 164.044751] EC = 0x21: IABT (current EL), IL = 32 bits [ 164.050124] SET = 0, FnV = 0 [ 164.053208] EA = 0, S1PTW = 0 [ 164.056389] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081dbf000 [ 164.063230] [ffff80001594bcc8] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=000000088659b003, pte=00680008858d3703 [ 164.075855] Internal error: Oops: 8600000f [#6] PREEMPT SMP [ 164.081446] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 164.090926] CPU: 2 PID: 1772 Comm: cat Tainted: G D W 5.10.161-cip22 #1 [ 164.098688] Hardware name: ARM Juno development board (r0) (DT) [ 164.104625] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 164.110652] pc : 0xffff80001594bcc8 [ 164.114151] lr : execute_location+0x84/0xa4 [ 164.118344] sp : ffff80001594bc80 [ 164.121664] x29: ffff80001594bc80 x28: ffff000807a8b100 [ 164.127000] x27: 0000000000000000 x26: 0000000000000000 [ 164.132337] x25: ffff8000114f1970 x24: ffff80001594be20 [ 164.137668] x23: 000000000000000b x22: ffff00080659a000 [ 164.143000] x21: 0000000000000001 x20: ffff800010a0d1c0 [ 164.148332] x19: ffff80001594bcc8 x18: 0000000000000001 [ 164.153663] x17: 0000000000000000 x16: 0000000000000000 [ 164.158994] x15: 0000000000000030 x14: ffffffffffffffff [ 164.164325] x13: ffff80009594b967 x12: ffff80001594b970 [ 164.169656] x11: 0000000000000010 x10: ffff8000125d82d0 [ 164.174987] x9 : ffff80001012dd74 x8 : ffff8000125802d0 [ 164.180318] x7 : ffff8000125d82d0 x6 : ffff800012551000 [ 164.185649] x5 : ffff800012551c88 x4 : ffff00097ef6ec50 [ 164.190980] x3 : 0000000000000000 x2 : 0000000000000000 [ 164.196310] x1 : ffff000807a8b100 x0 : 0000000000000033 [ 164.201641] Call trace: [ 164.204093] 0xffff80001594bcc8 [ 164.207241] lkdtm_EXEC_STACK+0x30/0x58 [ 164.211087] lkdtm_do_action+0x24/0x40 [ 164.214843] direct_entry+0xd0/0x140 [ 164.218427] full_proxy_write+0x68/0xbc [ 164.222272] vfs_write+0xec/0x20c [ 164.225593] ksys_write+0x70/0x100 [ 164.229002] __arm64_sys_write+0x24/0x30 [ 164.232935] el0_svc_common.constprop.0+0x84/0x1e0 [ 164.237736] do_el0_svc+0x2c/0x94 [ 164.241060] el0_svc+0x20/0x30 [ 164.244119] el0_sync_handler+0xb0/0xb4 [ 164.247963] el0_sync+0x180/0x1c0 [ 164.251288] Code: 10a0c284 ffff8000 1594bd20 ffff8000 (aa1e03e9) [ 164.257398] ---[ end trace ce6c5c8a996b3414 ]--- # Segmentation fault # [ 164.011680] lkdtm: Performing direct entry EXEC_STACK # [ 164.016832] lkdtm: attempting ok execution at ffff800010a0d1c0 # [ 164.022895] lkdtm: attempting bad execution at ffff80001594bcc8 # [ 164.028892] Unable to handle kernel execute from non-executable memory at virtual address ffff80001594bcc8 # [ 164.038688] Mem abort info: # [ 164.041627] ESR = 0x8600000f # [ 164.044751] EC = 0x21: IABT (current EL), IL = 32 bits # [ 164.050124] SET = 0, FnV = 0 # [ 164.053208] EA = 0, S1PTW = 0 # [ 164.056389] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081dbf000 # [ 164.063230] [ffff80001594bcc8] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=000000088659b003, pte=00680008858d3703 # [ 164.075855] Internal error: Oops: 8600000f [#6] PREEMPT SMP # [ 164.081446] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 164.090926] CPU: 2 PID: 1772 Comm: cat Tainted: G D W 5.10.161-cip22 #1 # [ 164.098688] Hardware name: ARM Juno development board (r0) (DT) # [ 164.104625] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 164.110652] pc : 0xffff80001594bcc8 # [ 164.114151] lr : execute_location+0x84/0xa4 # [ 164.118344] sp : ffff80001594bc80 # [ 164.121664] x29: ffff80001594bc80 x28: ffff000807a8b100 # [ 164.127000] x27: 0000000000000000 x26: 0000000000000000 # [ 164.132337] x25: ffff8000114f1970 x24: ffff80001594be20 # [ 164.137668] x23: 000000000000000b x22: ffff00080659a000 # [ 164.143000] x21: 0000000000000001 x20: ffff800010a0d1c0 # [ 164.148332] x19: ffff80001594bcc8 x18: 0000000000000001 # [ 164.153663] x17: 0000000000000000 x16: 0000000000000000 # [ 164.158994] x15: 0000000000000030 x14: ffffffffffffffff # [ 164.164325] x13: ffff80009594b967 x12: ffff80001594b970 # [ 164.169656] x11: 0000000000000010 x10: ffff8000125d82d0 # [ 164.174987] x9 : ffff80001012dd74 x8 : ffff8000125802d0 # [ 164.180318] x7 : ffff8000125d82d0 x6 : ffff800012551000 # [ 164.185649] x5 : ffff800012551c88 x4 : ffff00097ef6ec50 # [ 164.190980] x3 : 0000000000000000 x2 : 0000000000000000 # [ 164.196310] x1 : ffff000807a8b100 x0 : 0000000000000033 # [ 164.201641] Call trace: # [ 164.204093] 0xffff80001594bcc8 # [ 164.207241] lkdtm_EXEC_STACK+0x30/0x58 # [ 164.211087] lkdtm_do_action+0x24/0x40 # [ 164.214843] direct_entry+0xd0/0x140 # [ 164.218427] full_proxy_write+0x68/0xbc # [ 164.222272] vfs_write+0xec/0x20c # [ 164.225593] ksys_write+0x70/0x100 # [ 164.229002] __arm64_sys_write+0x24/0x30 # [ 164.232935] el0_svc_common.constprop.0+0x84/0x1e0 # [ 164.237736] do_el0_svc+0x2c/0x94 # [ 164.241060] el0_svc+0x20/0x30 # [ 164.244119] el0_sync_handler+0xb0/0xb4 # [ 164.247963] el0_sync+0x180/0x1c0 # [ 164.251288] Code: 10a0c284 ffff8000 1594bd20 ffff8000 (aa1e03e9) # [ 164.257398] ---[ end trace ce6c5c8a996b3414 ]--- # EXEC_STACK: saw 'call trace:': ok ok 31 selftests: lkdtm: EXEC_STACK.sh # selftests: lkdtm: EXEC_KMALLOC.sh [ 164.668527] lkdtm: Performing direct entry EXEC_KMALLOC [ 164.673847] lkdtm: attempting ok execution at ffff800010a0d1c0 [ 164.679921] lkdtm: attempting bad execution at ffff000802848100 [ 164.685921] Unable to handle kernel execute from non-executable memory at virtual address ffff000802848100 [ 164.695727] Mem abort info: [ 164.698702] ESR = 0x8600000f [ 164.701900] EC = 0x21: IABT (current EL), IL = 32 bits [ 164.707259] SET = 0, FnV = 0 [ 164.710344] EA = 0, S1PTW = 0 [ 164.713532] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081dbf000 [ 164.720273] [ffff000802848100] pgd=00000009ffff8003, p4d=00000009ffff8003, pud=00000009ffc0a003, pmd=00000009ffbf5003, pte=0068000882848707 [ 164.732903] Internal error: Oops: 8600000f [#7] PREEMPT SMP [ 164.738492] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 164.747967] CPU: 1 PID: 1814 Comm: cat Tainted: G D W 5.10.161-cip22 #1 [ 164.755725] Hardware name: ARM Juno development board (r0) (DT) [ 164.761661] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 164.767688] pc : 0xffff000802848100 [ 164.771191] lr : execute_location+0x84/0xa4 [ 164.775381] sp : ffff800015a0bcc0 [ 164.778701] x29: ffff800015a0bcc0 x28: ffff0008003f9880 [ 164.784034] x27: 0000000000000000 x26: 0000000000000000 [ 164.789367] x25: ffff8000114f1970 x24: ffff800015a0be20 [ 164.794698] x23: 000000000000000d x22: ffff000803e9b000 [ 164.800030] x21: 0000000000000001 x20: ffff800010a0d1c0 [ 164.805361] x19: ffff000802848100 x18: 0000000000000000 [ 164.810691] x17: 0000000000000000 x16: 0000000000000000 [ 164.816022] x15: 0000000000000030 x14: ffffffffffffffff [ 164.821353] x13: ffff800095a0b9a7 x12: ffff800015a0b9af [ 164.826684] x11: 0000000000000020 x10: ffff8000125d82d0 [ 164.832016] x9 : ffff80001012dd74 x8 : ffff8000125802d0 [ 164.837346] x7 : ffff8000125d82d0 x6 : ffff800012551000 [ 164.842677] x5 : ffff800012551c88 x4 : ffff00097efb2c50 [ 164.848008] x3 : 0000000000000000 x2 : 0000000000000000 [ 164.853339] x1 : ffff0008003f9880 x0 : 0000000000000033 [ 164.858671] Call trace: [ 164.861122] 0xffff000802848100 [ 164.864272] lkdtm_EXEC_KMALLOC+0x34/0x4c [ 164.868290] lkdtm_do_action+0x24/0x40 [ 164.872046] direct_entry+0xd0/0x140 [ 164.875630] full_proxy_write+0x68/0xbc [ 164.879475] vfs_write+0xec/0x20c [ 164.882796] ksys_write+0x70/0x100 [ 164.886204] __arm64_sys_write+0x24/0x30 [ 164.890138] el0_svc_common.constprop.0+0x84/0x1e0 [ 164.894940] do_el0_svc+0x2c/0x94 [ 164.898263] el0_svc+0x20/0x30 [ 164.901323] el0_sync_handler+0xb0/0xb4 [ 164.905167] el0_sync+0x180/0x1c0 [ 164.908493] Code: 00000000 00000000 00000000 00000000 (aa1e03e9) [ 164.914602] ---[ end trace ce6c5c8a996b3415 ]--- # Segmentation fault # [ 164.668527] lkdtm: Performing direct entry EXEC_KMALLOC # [ 164.673847] lkdtm: attempting ok execution at ffff800010a0d1c0 # [ 164.679921] lkdtm: attempting bad execution at ffff000802848100 # [ 164.685921] Unable to handle kernel execute from non-executable memory at virtual address ffff000802848100 # [ 164.695727] Mem abort info: # [ 164.698702] ESR = 0x8600000f # [ 164.701900] EC = 0x21: IABT (current EL), IL = 32 bits # [ 164.707259] SET = 0, FnV = 0 # [ 164.710344] EA = 0, S1PTW = 0 # [ 164.713532] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081dbf000 # [ 164.720273] [ffff000802848100] pgd=00000009ffff8003, p4d=00000009ffff8003, pud=00000009ffc0a003, pmd=00000009ffbf5003, pte=0068000882848707 # [ 164.732903] Internal error: Oops: 8600000f [#7] PREEMPT SMP # [ 164.738492] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 164.747967] CPU: 1 PID: 1814 Comm: cat Tainted: G D W 5.10.161-cip22 #1 # [ 164.755725] Hardware name: ARM Juno development board (r0) (DT) # [ 164.761661] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 164.767688] pc : 0xffff000802848100 # [ 164.771191] lr : execute_location+0x84/0xa4 # [ 164.775381] sp : ffff800015a0bcc0 # [ 164.778701] x29: ffff800015a0bcc0 x28: ffff0008003f9880 # [ 164.784034] x27: 0000000000000000 x26: 0000000000000000 # [ 164.789367] x25: ffff8000114f1970 x24: ffff800015a0be20 # [ 164.794698] x23: 000000000000000d x22: ffff000803e9b000 # [ 164.800030] x21: 0000000000000001 x20: ffff800010a0d1c0 # [ 164.805361] x19: ffff000802848100 x18: 0000000000000000 # [ 164.810691] x17: 0000000000000000 x16: 0000000000000000 # [ 164.816022] x15: 0000000000000030 x14: ffffffffffffffff # [ 164.821353] x13: ffff800095a0b9a7 x12: ffff800015a0b9af # [ 164.826684] x11: 0000000000000020 x10: ffff8000125d82d0 # [ 164.832016] x9 : ffff80001012dd74 x8 : ffff8000125802d0 # [ 164.837346] x7 : ffff8000125d82d0 x6 : ffff800012551000 # [ 164.842677] x5 : ffff800012551c88 x4 : ffff00097efb2c50 # [ 164.848008] x3 : 0000000000000000 x2 : 0000000000000000 # [ 164.853339] x1 : ffff0008003f9880 x0 : 0000000000000033 # [ 164.858671] Call trace: # [ 164.861122] 0xffff000802848100 # [ 164.864272] lkdtm_EXEC_KMALLOC+0x34/0x4c # [ 164.868290] lkdtm_do_action+0x24/0x40 # [ 164.872046] direct_entry+0xd0/0x140 # [ 164.875630] full_proxy_write+0x68/0xbc # [ 164.879475] vfs_write+0xec/0x20c # [ 164.882796] ksys_write+0x70/0x100 # [ 164.886204] __arm64_sys_write+0x24/0x30 # [ 164.890138] el0_svc_common.constprop.0+0x84/0x1e0 # [ 164.894940] do_el0_svc+0x2c/0x94 # [ 164.898263] el0_svc+0x20/0x30 # [ 164.901323] el0_sync_handler+0xb0/0xb4 # [ 164.905167] el0_sync+0x180/0x1c0 # [ 164.908493] Code: 00000000 00000000 00000000 00000000 (aa1e03e9) # [ 164.914602] ---[ end trace ce6c5c8a996b3415 ]--- # EXEC_KMALLOC: saw 'call trace:': ok ok 32 selftests: lkdtm: EXEC_KMALLOC.sh # selftests: lkdtm: EXEC_VMALLOC.sh [ 165.314626] lkdtm: Performing direct entry EXEC_VMALLOC [ 165.319952] lkdtm: attempting ok execution at ffff800010a0d1c0 [ 165.325979] lkdtm: attempting bad execution at ffff800013a55000 [ 165.332021] Unable to handle kernel execute from non-executable memory at virtual address ffff800013a55000 [ 165.341739] Mem abort info: [ 165.344564] ESR = 0x8600000f [ 165.347631] EC = 0x21: IABT (current EL), IL = 32 bits [ 165.352980] SET = 0, FnV = 0 [ 165.356065] EA = 0, S1PTW = 0 [ 165.359223] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081dbf000 [ 165.365964] [ffff800013a55000] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=0000000880994003, pte=0068000884c50703 [ 165.378598] Internal error: Oops: 8600000f [#8] PREEMPT SMP [ 165.384186] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 165.393661] CPU: 1 PID: 1856 Comm: cat Tainted: G D W 5.10.161-cip22 #1 [ 165.401420] Hardware name: ARM Juno development board (r0) (DT) [ 165.407356] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 165.413382] pc : 0xffff800013a55000 [ 165.416885] lr : execute_location+0x84/0xa4 [ 165.421079] sp : ffff800015acbcc0 [ 165.424400] x29: ffff800015acbcc0 x28: ffff000804c11880 [ 165.429733] x27: 0000000000000000 x26: 0000000000000000 [ 165.435066] x25: ffff8000114f1970 x24: ffff800015acbe20 [ 165.440398] x23: 000000000000000d x22: ffff000804c50000 [ 165.445729] x21: 0000000000000001 x20: ffff800010a0d1c0 [ 165.451061] x19: ffff800013a55000 x18: 0000000000000000 [ 165.456392] x17: 0000000000000000 x16: 0000000000000000 [ 165.461723] x15: 0000000000000030 x14: ffffffffffffffff [ 165.467055] x13: ffff800095acb9a7 x12: ffff800015acb9af [ 165.472386] x11: ffff800013a57000 x10: 0000000000001440 [ 165.477717] x9 : ffff80001012dd74 x8 : ffff000804c12d20 [ 165.483048] x7 : 0000000000000000 x6 : ffff800012551000 [ 165.488379] x5 : ffff800012551c88 x4 : ffff00097ef2ac50 [ 165.493710] x3 : 0000000000000000 x2 : 0000000000000000 [ 165.499041] x1 : ffff000804c11880 x0 : 0000000000000033 [ 165.504373] Call trace: [ 165.506825] 0xffff800013a55000 [ 165.509976] lkdtm_EXEC_VMALLOC+0x2c/0x44 [ 165.513994] lkdtm_do_action+0x24/0x40 [ 165.517751] direct_entry+0xd0/0x140 [ 165.521335] full_proxy_write+0x68/0xbc [ 165.525180] vfs_write+0xec/0x20c [ 165.528501] ksys_write+0x70/0x100 [ 165.531910] __arm64_sys_write+0x24/0x30 [ 165.535844] el0_svc_common.constprop.0+0x84/0x1e0 [ 165.540646] do_el0_svc+0x2c/0x94 [ 165.543969] el0_svc+0x20/0x30 [ 165.547028] el0_sync_handler+0xb0/0xb4 [ 165.550872] el0_sync+0x180/0x1c0 [ 165.554199] Code: bad PC value [ 165.557263] ---[ end trace ce6c5c8a996b3416 ]--- # Segmentation fault # [ 165.314626] lkdtm: Performing direct entry EXEC_VMALLOC # [ 165.319952] lkdtm: attempting ok execution at ffff800010a0d1c0 # [ 165.325979] lkdtm: attempting bad execution at ffff800013a55000 # [ 165.332021] Unable to handle kernel execute from non-executable memory at virtual address ffff800013a55000 # [ 165.341739] Mem abort info: # [ 165.344564] ESR = 0x8600000f # [ 165.347631] EC = 0x21: IABT (current EL), IL = 32 bits # [ 165.352980] SET = 0, FnV = 0 # [ 165.356065] EA = 0, S1PTW = 0 # [ 165.359223] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081dbf000 # [ 165.365964] [ffff800013a55000] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=0000000880994003, pte=0068000884c50703 # [ 165.378598] Internal error: Oops: 8600000f [#8] PREEMPT SMP # [ 165.384186] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 165.393661] CPU: 1 PID: 1856 Comm: cat Tainted: G D W 5.10.161-cip22 #1 # [ 165.401420] Hardware name: ARM Juno development board (r0) (DT) # [ 165.407356] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 165.413382] pc : 0xffff800013a55000 # [ 165.416885] lr : execute_location+0x84/0xa4 # [ 165.421079] sp : ffff800015acbcc0 # [ 165.424400] x29: ffff800015acbcc0 x28: ffff000804c11880 # [ 165.429733] x27: 0000000000000000 x26: 0000000000000000 # [ 165.435066] x25: ffff8000114f1970 x24: ffff800015acbe20 # [ 165.440398] x23: 000000000000000d x22: ffff000804c50000 # [ 165.445729] x21: 0000000000000001 x20: ffff800010a0d1c0 # [ 165.451061] x19: ffff800013a55000 x18: 0000000000000000 # [ 165.456392] x17: 0000000000000000 x16: 0000000000000000 # [ 165.461723] x15: 0000000000000030 x14: ffffffffffffffff # [ 165.467055] x13: ffff800095acb9a7 x12: ffff800015acb9af # [ 165.472386] x11: ffff800013a57000 x10: 0000000000001440 # [ 165.477717] x9 : ffff80001012dd74 x8 : ffff000804c12d20 # [ 165.483048] x7 : 0000000000000000 x6 : ffff800012551000 # [ 165.488379] x5 : ffff800012551c88 x4 : ffff00097ef2ac50 # [ 165.493710] x3 : 0000000000000000 x2 : 0000000000000000 # [ 165.499041] x1 : ffff000804c11880 x0 : 0000000000000033 # [ 165.504373] Call trace: # [ 165.506825] 0xffff800013a55000 # [ 165.509976] lkdtm_EXEC_VMALLOC+0x2c/0x44 # [ 165.513994] lkdtm_do_action+0x24/0x40 # [ 165.517751] direct_entry+0xd0/0x140 # [ 165.521335] full_proxy_write+0x68/0xbc # [ 165.525180] vfs_write+0xec/0x20c # [ 165.528501] ksys_write+0x70/0x100 # [ 165.531910] __arm64_sys_write+0x24/0x30 # [ 165.535844] el0_svc_common.constprop.0+0x84/0x1e0 # [ 165.540646] do_el0_svc+0x2c/0x94 # [ 165.543969] el0_svc+0x20/0x30 # [ 165.547028] el0_sync_handler+0xb0/0xb4 # [ 165.550872] el0_sync+0x180/0x1c0 # [ 165.554199] Code: bad PC value # [ 165.557263] ---[ end trace ce6c5c8a996b3416 ]--- # EXEC_VMALLOC: saw 'call trace:': ok ok 33 selftests: lkdtm: EXEC_VMALLOC.sh # selftests: lkdtm: EXEC_RODATA.sh [ 165.985359] lkdtm: Performing direct entry EXEC_RODATA [ 165.990574] lkdtm: attempting ok execution at ffff800010a0d1c0 [ 165.996496] lkdtm: attempting bad execution at ffff8000114f1e70 [ 166.002496] Unable to handle kernel execute from non-executable memory at virtual address ffff8000114f1e70 [ 166.012297] Mem abort info: [ 166.015113] ESR = 0x8600000e [ 166.018332] EC = 0x21: IABT (current EL), IL = 32 bits [ 166.023805] SET = 0, FnV = 0 [ 166.026894] EA = 0, S1PTW = 0 [ 166.030067] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081dbf000 [ 166.036835] [ffff8000114f1e70] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=0060000081600781 [ 166.047545] Internal error: Oops: 8600000e [#9] PREEMPT SMP [ 166.053132] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 166.062611] CPU: 1 PID: 1898 Comm: cat Tainted: G D W 5.10.161-cip22 #1 [ 166.070373] Hardware name: ARM Juno development board (r0) (DT) [ 166.076312] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 166.082338] pc : lkdtm_rodata_do_nothing+0x0/0x10 [ 166.087055] lr : execute_location+0x84/0xa4 [ 166.091244] sp : ffff800015b8bcd0 [ 166.094568] x29: ffff800015b8bcd0 x28: ffff000806701880 [ 166.099901] x27: 0000000000000000 x26: 0000000000000000 [ 166.105233] x25: ffff8000114f1970 x24: ffff800015b8be20 [ 166.110565] x23: 000000000000000c x22: ffff000807801000 [ 166.115896] x21: 0000000000000000 x20: ffff800010a0d1c0 [ 166.121227] x19: ffff8000114f1e70 x18: 0000000000000000 [ 166.126558] x17: 0000000000000000 x16: 0000000000000000 [ 166.131889] x15: 0000000000000030 x14: ffffffffffffffff [ 166.137220] x13: ffff800095b8b9b7 x12: ffff800015b8b9bf [ 166.142551] x11: 0000000000000018 x10: ffff8000125d82d0 [ 166.147881] x9 : ffff80001012dd74 x8 : ffff8000125802d0 [ 166.153212] x7 : ffff8000125d82d0 x6 : ffff800012551000 [ 166.158543] x5 : ffff800012551c88 x4 : ffff00097ef90c50 [ 166.163874] x3 : 0000000000000000 x2 : 0000000000000000 [ 166.169205] x1 : ffff000806701880 x0 : 0000000000000033 [ 166.174536] Call trace: [ 166.176990] lkdtm_rodata_do_nothing+0x0/0x10 [ 166.181356] lkdtm_EXEC_RODATA+0x24/0x30 [ 166.185288] lkdtm_do_action+0x24/0x40 [ 166.189044] direct_entry+0xd0/0x140 [ 166.192628] full_proxy_write+0x68/0xbc [ 166.196472] vfs_write+0xec/0x20c [ 166.199793] ksys_write+0x70/0x100 [ 166.203202] __arm64_sys_write+0x24/0x30 [ 166.207135] el0_svc_common.constprop.0+0x84/0x1e0 [ 166.211937] do_el0_svc+0x2c/0x94 [ 166.215259] el0_svc+0x20/0x30 [ 166.218319] el0_sync_handler+0xb0/0xb4 [ 166.222163] el0_sync+0x180/0x1c0 [ 166.225489] Code: aa55aa55 00000000 00000000 00000000 (d503233f) [ 166.231598] ---[ end trace ce6c5c8a996b3417 ]--- # Segmentation fault # [ 165.985359] lkdtm: Performing direct entry EXEC_RODATA # [ 165.990574] lkdtm: attempting ok execution at ffff800010a0d1c0 # [ 165.996496] lkdtm: attempting bad execution at ffff8000114f1e70 # [ 166.002496] Unable to handle kernel execute from non-executable memory at virtual address ffff8000114f1e70 # [ 166.012297] Mem abort info: # [ 166.015113] ESR = 0x8600000e # [ 166.018332] EC = 0x21: IABT (current EL), IL = 32 bits # [ 166.023805] SET = 0, FnV = 0 # [ 166.026894] EA = 0, S1PTW = 0 # [ 166.030067] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081dbf000 # [ 166.036835] [ffff8000114f1e70] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=0060000081600781 # [ 166.047545] Internal error: Oops: 8600000e [#9] PREEMPT SMP # [ 166.053132] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 166.062611] CPU: 1 PID: 1898 Comm: cat Tainted: G D W 5.10.161-cip22 #1 # [ 166.070373] Hardware name: ARM Juno development board (r0) (DT) # [ 166.076312] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 166.082338] pc : lkdtm_rodata_do_nothing+0x0/0x10 # [ 166.087055] lr : execute_location+0x84/0xa4 # [ 166.091244] sp : ffff800015b8bcd0 # [ 166.094568] x29: ffff800015b8bcd0 x28: ffff000806701880 # [ 166.099901] x27: 0000000000000000 x26: 0000000000000000 # [ 166.105233] x25: ffff8000114f1970 x24: ffff800015b8be20 # [ 166.110565] x23: 000000000000000c x22: ffff000807801000 # [ 166.115896] x21: 0000000000000000 x20: ffff800010a0d1c0 # [ 166.121227] x19: ffff8000114f1e70 x18: 0000000000000000 # [ 166.126558] x17: 0000000000000000 x16: 0000000000000000 # [ 166.131889] x15: 0000000000000030 x14: ffffffffffffffff # [ 166.137220] x13: ffff800095b8b9b7 x12: ffff800015b8b9bf # [ 166.142551] x11: 0000000000000018 x10: ffff8000125d82d0 # [ 166.147881] x9 : ffff80001012dd74 x8 : ffff8000125802d0 # [ 166.153212] x7 : ffff8000125d82d0 x6 : ffff800012551000 # [ 166.158543] x5 : ffff800012551c88 x4 : ffff00097ef90c50 # [ 166.163874] x3 : 0000000000000000 x2 : 0000000000000000 # [ 166.169205] x1 : ffff000806701880 x0 : 0000000000000033 # [ 166.174536] Call trace: # [ 166.176990] lkdtm_rodata_do_nothing+0x0/0x10 # [ 166.181356] lkdtm_EXEC_RODATA+0x24/0x30 # [ 166.185288] lkdtm_do_action+0x24/0x40 # [ 166.189044] direct_entry+0xd0/0x140 # [ 166.192628] full_proxy_write+0x68/0xbc # [ 166.196472] vfs_write+0xec/0x20c # [ 166.199793] ksys_write+0x70/0x100 # [ 166.203202] __arm64_sys_write+0x24/0x30 # [ 166.207135] el0_svc_common.constprop.0+0x84/0x1e0 # [ 166.211937] do_el0_svc+0x2c/0x94 # [ 166.215259] el0_svc+0x20/0x30 # [ 166.218319] el0_sync_handler+0xb0/0xb4 # [ 166.222163] el0_sync+0x180/0x1c0 # [ 166.225489] Code: aa55aa55 00000000 00000000 00000000 (d503233f) # [ 166.231598] ---[ end trace ce6c5c8a996b3417 ]--- # EXEC_RODATA: saw 'call trace:': ok ok 34 selftests: lkdtm: EXEC_RODATA.sh # selftests: lkdtm: EXEC_USERSPACE.sh [ 166.645009] lkdtm: Performing direct entry EXEC_USERSPACE [ 166.650524] lkdtm: attempting ok execution at ffff800010a0d1c0 [ 166.656510] lkdtm: attempting bad execution at 0000ffff9cfa5000 [ 166.662510] Unable to handle kernel execution of user memory at virtual address 0000ffff9cfa5000 [ 166.671440] Mem abort info: [ 166.674530] ESR = 0x8600000f [ 166.677643] EC = 0x21: IABT (current EL), IL = 32 bits [ 166.682994] SET = 0, FnV = 0 [ 166.686076] EA = 0, S1PTW = 0 [ 166.689249] user pgtable: 4k pages, 48-bit VAs, pgdp=0000000887833000 [ 166.695729] [0000ffff9cfa5000] pgd=0000000882a00003, p4d=0000000882a00003, pud=0000000883b87003, pmd=00000008847f4003, pte=00a800088d309f43 [ 166.708365] Internal error: Oops: 8600000f [#10] PREEMPT SMP [ 166.714045] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 166.723525] CPU: 2 PID: 1940 Comm: cat Tainted: G D W 5.10.161-cip22 #1 [ 166.731289] Hardware name: ARM Juno development board (r0) (DT) [ 166.737228] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 166.743249] pc : 0xffff9cfa5000 [ 166.746401] lr : lkdtm_EXEC_USERSPACE+0xe0/0xf0 [ 166.750941] sp : ffff800015c33cf0 [ 166.754268] x29: ffff800015c33cf0 x28: ffff000807810000 [ 166.759602] x27: 0000000000000000 x26: 0000000000000000 [ 166.764935] x25: ffff8000114f1970 x24: ffff800015c33e20 [ 166.770269] x23: 000000000000000f x22: ffff000803cb3000 [ 166.775601] x21: ffff800011a03da8 x20: ffff800010a0d1c0 [ 166.780932] x19: 0000ffff9cfa5000 x18: 0000000000000000 [ 166.786263] x17: 0000000000000000 x16: 0000000000000000 [ 166.791594] x15: 0000000000000030 x14: ffffffffffffffff [ 166.796925] x13: ffff800095c339d7 x12: ffff800015c339df [ 166.802256] x11: a9be7bfdd0008620 x10: ffff8000125d82d0 [ 166.807587] x9 : ffff80001012dd74 x8 : ffff8000125802d0 [ 166.812918] x7 : ffff8000125d82d0 x6 : ffff800012551000 [ 166.818249] x5 : ffff800012551c88 x4 : ffff00097ef6ec50 [ 166.823580] x3 : 0000000000000000 x2 : 0000000000000000 [ 166.828911] x1 : ffff000807810000 x0 : 0000000000000033 [ 166.834242] Call trace: [ 166.836694] 0xffff9cfa5000 [ 166.839494] lkdtm_do_action+0x24/0x40 [ 166.843251] direct_entry+0xd0/0x140 [ 166.846835] full_proxy_write+0x68/0xbc [ 166.850680] vfs_write+0xec/0x20c [ 166.854001] ksys_write+0x70/0x100 [ 166.857409] __arm64_sys_write+0x24/0x30 [ 166.861344] el0_svc_common.constprop.0+0x84/0x1e0 [ 166.866145] do_el0_svc+0x2c/0x94 [ 166.869470] el0_svc+0x20/0x30 [ 166.872529] el0_sync_handler+0xb0/0xb4 [ 166.876372] el0_sync+0x180/0x1c0 [ 166.879699] Code: bad PC value [ 166.882763] ---[ end trace ce6c5c8a996b3418 ]--- # Segmentation fault # [ 166.645009] lkdtm: Performing direct entry EXEC_USERSPACE # [ 166.650524] lkdtm: attempting ok execution at ffff800010a0d1c0 # [ 166.656510] lkdtm: attempting bad execution at 0000ffff9cfa5000 # [ 166.662510] Unable to handle kernel execution of user memory at virtual address 0000ffff9cfa5000 # [ 166.671440] Mem abort info: # [ 166.674530] ESR = 0x8600000f # [ 166.677643] EC = 0x21: IABT (current EL), IL = 32 bits # [ 166.682994] SET = 0, FnV = 0 # [ 166.686076] EA = 0, S1PTW = 0 # [ 166.689249] user pgtable: 4k pages, 48-bit VAs, pgdp=0000000887833000 # [ 166.695729] [0000ffff9cfa5000] pgd=0000000882a00003, p4d=0000000882a00003, pud=0000000883b87003, pmd=00000008847f4003, pte=00a800088d309f43 # [ 166.708365] Internal error: Oops: 8600000f [#10] PREEMPT SMP # [ 166.714045] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 166.723525] CPU: 2 PID: 1940 Comm: cat Tainted: G D W 5.10.161-cip22 #1 # [ 166.731289] Hardware name: ARM Juno development board (r0) (DT) # [ 166.737228] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 166.743249] pc : 0xffff9cfa5000 # [ 166.746401] lr : lkdtm_EXEC_USERSPACE+0xe0/0xf0 # [ 166.750941] sp : ffff800015c33cf0 # [ 166.754268] x29: ffff800015c33cf0 x28: ffff000807810000 # [ 166.759602] x27: 0000000000000000 x26: 0000000000000000 # [ 166.764935] x25: ffff8000114f1970 x24: ffff800015c33e20 # [ 166.770269] x23: 000000000000000f x22: ffff000803cb3000 # [ 166.775601] x21: ffff800011a03da8 x20: ffff800010a0d1c0 # [ 166.780932] x19: 0000ffff9cfa5000 x18: 0000000000000000 # [ 166.786263] x17: 0000000000000000 x16: 0000000000000000 # [ 166.791594] x15: 0000000000000030 x14: ffffffffffffffff # [ 166.796925] x13: ffff800095c339d7 x12: ffff800015c339df # [ 166.802256] x11: a9be7bfdd0008620 x10: ffff8000125d82d0 # [ 166.807587] x9 : ffff80001012dd74 x8 : ffff8000125802d0 # [ 166.812918] x7 : ffff8000125d82d0 x6 : ffff800012551000 # [ 166.818249] x5 : ffff800012551c88 x4 : ffff00097ef6ec50 # [ 166.823580] x3 : 0000000000000000 x2 : 0000000000000000 # [ 166.828911] x1 : ffff000807810000 x0 : 0000000000000033 # [ 166.834242] Call trace: # [ 166.836694] 0xffff9cfa5000 # [ 166.839494] lkdtm_do_action+0x24/0x40 # [ 166.843251] direct_entry+0xd0/0x140 # [ 166.846835] full_proxy_write+0x68/0xbc # [ 166.850680] vfs_write+0xec/0x20c # [ 166.854001] ksys_write+0x70/0x100 # [ 166.857409] __arm64_sys_write+0x24/0x30 # [ 166.861344] el0_svc_common.constprop.0+0x84/0x1e0 # [ 166.866145] do_el0_svc+0x2c/0x94 # [ 166.869470] el0_svc+0x20/0x30 # [ 166.872529] el0_sync_handler+0xb0/0xb4 # [ 166.876372] el0_sync+0x180/0x1c0 # [ 166.879699] Code: bad PC value # [ 166.882763] ---[ end trace ce6c5c8a996b3418 ]--- # EXEC_USERSPACE: saw 'call trace:': ok ok 35 selftests: lkdtm: EXEC_USERSPACE.sh # selftests: lkdtm: EXEC_NULL.sh [ 167.294035] lkdtm: Performing direct entry EXEC_NULL [ 167.299097] lkdtm: attempting ok execution at ffff800010a0d1c0 [ 167.305016] lkdtm: attempting bad execution at 0000000000000000 [ 167.311019] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000 [ 167.320033] Mem abort info: [ 167.322845] ESR = 0x86000004 [ 167.326044] EC = 0x21: IABT (current EL), IL = 32 bits [ 167.331396] SET = 0, FnV = 0 [ 167.334484] EA = 0, S1PTW = 0 [ 167.337660] user pgtable: 4k pages, 48-bit VAs, pgdp=000000088577d000 [ 167.344140] [0000000000000000] pgd=0000000000000000, p4d=0000000000000000 [ 167.350988] Internal error: Oops: 86000004 [#11] PREEMPT SMP [ 167.356661] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 167.366134] CPU: 1 PID: 1982 Comm: cat Tainted: G D W 5.10.161-cip22 #1 [ 167.373893] Hardware name: ARM Juno development board (r0) (DT) [ 167.379828] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 167.385849] pc : 0x0 [ 167.388044] lr : execute_location+0x84/0xa4 [ 167.392237] sp : ffff800015cc3cd0 [ 167.395560] x29: ffff800015cc3cd0 x28: ffff000804c11880 [ 167.400893] x27: 0000000000000000 x26: 0000000000000000 [ 167.406225] x25: ffff8000114f1970 x24: ffff800015cc3e20 [ 167.411556] x23: 000000000000000a x22: ffff000803e9a000 [ 167.416888] x21: 0000000000000000 x20: ffff800010a0d1c0 [ 167.422219] x19: 0000000000000000 x18: 0000000000000000 [ 167.427549] x17: 0000000000000000 x16: 0000000000000000 [ 167.432880] x15: 0000000000000030 x14: ffffffffffffffff [ 167.438211] x13: ffff800095cc39b7 x12: ffff800015cc39bf [ 167.443541] x11: 0000000000000008 x10: ffff8000125d82d0 [ 167.448873] x9 : ffff80001012dd74 x8 : ffff8000125802d0 [ 167.454204] x7 : ffff8000125d82d0 x6 : ffff800012551000 [ 167.459535] x5 : ffff800012551c88 x4 : ffff00097ef08c50 [ 167.464866] x3 : 0000000000000000 x2 : 0000000000000000 [ 167.470197] x1 : ffff000804c11880 x0 : 0000000000000033 [ 167.475528] Call trace: [ 167.477980] 0x0 [ 167.479823] lkdtm_EXEC_NULL+0x20/0x2c [ 167.483581] lkdtm_do_action+0x24/0x40 [ 167.487337] direct_entry+0xd0/0x140 [ 167.490921] full_proxy_write+0x68/0xbc [ 167.494765] vfs_write+0xec/0x20c [ 167.498086] ksys_write+0x70/0x100 [ 167.501494] __arm64_sys_write+0x24/0x30 [ 167.505428] el0_svc_common.constprop.0+0x84/0x1e0 [ 167.510230] do_el0_svc+0x2c/0x94 [ 167.513553] el0_svc+0x20/0x30 [ 167.516613] el0_sync_handler+0xb0/0xb4 [ 167.520456] el0_sync+0x180/0x1c0 [ 167.523783] Code: bad PC value [ 167.526846] ---[ end trace ce6c5c8a996b3419 ]--- # Segmentation fault # [ 167.294035] lkdtm: Performing direct entry EXEC_NULL # [ 167.299097] lkdtm: attempting ok execution at ffff800010a0d1c0 # [ 167.305016] lkdtm: attempting bad execution at 0000000000000000 # [ 167.311019] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000 # [ 167.320033] Mem abort info: # [ 167.322845] ESR = 0x86000004 # [ 167.326044] EC = 0x21: IABT (current EL), IL = 32 bits # [ 167.331396] SET = 0, FnV = 0 # [ 167.334484] EA = 0, S1PTW = 0 # [ 167.337660] user pgtable: 4k pages, 48-bit VAs, pgdp=000000088577d000 # [ 167.344140] [0000000000000000] pgd=0000000000000000, p4d=0000000000000000 # [ 167.350988] Internal error: Oops: 86000004 [#11] PREEMPT SMP # [ 167.356661] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 167.366134] CPU: 1 PID: 1982 Comm: cat Tainted: G D W 5.10.161-cip22 #1 # [ 167.373893] Hardware name: ARM Juno development board (r0) (DT) # [ 167.379828] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 167.385849] pc : 0x0 # [ 167.388044] lr : execute_location+0x84/0xa4 # [ 167.392237] sp : ffff800015cc3cd0 # [ 167.395560] x29: ffff800015cc3cd0 x28: ffff000804c11880 # [ 167.400893] x27: 0000000000000000 x26: 0000000000000000 # [ 167.406225] x25: ffff8000114f1970 x24: ffff800015cc3e20 # [ 167.411556] x23: 000000000000000a x22: ffff000803e9a000 # [ 167.416888] x21: 0000000000000000 x20: ffff800010a0d1c0 # [ 167.422219] x19: 0000000000000000 x18: 0000000000000000 # [ 167.427549] x17: 0000000000000000 x16: 0000000000000000 # [ 167.432880] x15: 0000000000000030 x14: ffffffffffffffff # [ 167.438211] x13: ffff800095cc39b7 x12: ffff800015cc39bf # [ 167.443541] x11: 0000000000000008 x10: ffff8000125d82d0 # [ 167.448873] x9 : ffff80001012dd74 x8 : ffff8000125802d0 # [ 167.454204] x7 : ffff8000125d82d0 x6 : ffff800012551000 # [ 167.459535] x5 : ffff800012551c88 x4 : ffff00097ef08c50 # [ 167.464866] x3 : 0000000000000000 x2 : 0000000000000000 # [ 167.470197] x1 : ffff000804c11880 x0 : 0000000000000033 # [ 167.475528] Call trace: # [ 167.477980] 0x0 # [ 167.479823] lkdtm_EXEC_NULL+0x20/0x2c # [ 167.483581] lkdtm_do_action+0x24/0x40 # [ 167.487337] direct_entry+0xd0/0x140 # [ 167.490921] full_proxy_write+0x68/0xbc # [ 167.494765] vfs_write+0xec/0x20c # [ 167.498086] ksys_write+0x70/0x100 # [ 167.501494] __arm64_sys_write+0x24/0x30 # [ 167.505428] el0_svc_common.constprop.0+0x84/0x1e0 # [ 167.510230] do_el0_svc+0x2c/0x94 # [ 167.513553] el0_svc+0x20/0x30 # [ 167.516613] el0_sync_handler+0xb0/0xb4 # [ 167.520456] el0_sync+0x180/0x1c0 # [ 167.523783] Code: bad PC value # [ 167.526846] ---[ end trace ce6c5c8a996b3419 ]--- # EXEC_NULL: saw 'call trace:': ok ok 36 selftests: lkdtm: EXEC_NULL.sh # selftests: lkdtm: ACCESS_USERSPACE.sh [ 167.992465] lkdtm: Performing direct entry ACCESS_USERSPACE [ 167.998206] lkdtm: attempting bad read at 0000ffff96f0e000 [ 168.003768] lkdtm: FAIL: survived bad read [ 168.007932] lkdtm: attempting bad write at 0000ffff96f0e000 [ 168.013673] lkdtm: FAIL: survived bad write # [ 167.992465] lkdtm: Performing direct entry ACCESS_USERSPACE # [ 167.998206] lkdtm: attempting bad read at 0000ffff96f0e000 # [ 168.003768] lkdtm: FAIL: survived bad read # [ 168.007932] lkdtm: attempting bad write at 0000ffff96f0e000 # [ 168.013673] 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 [ 168.423391] lkdtm: Performing direct entry ACCESS_NULL [ 168.428627] lkdtm: attempting bad read at 0000000000000000 [ 168.434280] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000 [ 168.443173] Mem abort info: [ 168.446274] ESR = 0x96000004 [ 168.449394] EC = 0x25: DABT (current EL), IL = 32 bits [ 168.454746] SET = 0, FnV = 0 [ 168.457827] EA = 0, S1PTW = 0 [ 168.460992] Data abort info: [ 168.463884] ISV = 0, ISS = 0x00000004 [ 168.467751] CM = 0, WnR = 0 [ 168.470748] user pgtable: 4k pages, 48-bit VAs, pgdp=0000000883b89000 [ 168.477224] [0000000000000000] pgd=0000000000000000, p4d=0000000000000000 [ 168.484076] Internal error: Oops: 96000004 [#12] PREEMPT SMP [ 168.489753] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 168.499234] CPU: 1 PID: 2058 Comm: cat Tainted: G D W 5.10.161-cip22 #1 [ 168.507000] Hardware name: ARM Juno development board (r0) (DT) [ 168.512940] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 168.518970] pc : lkdtm_ACCESS_NULL+0x34/0x78 [ 168.523255] lr : lkdtm_ACCESS_NULL+0x2c/0x78 [ 168.527536] sp : ffff800015e1bcf0 [ 168.530860] x29: ffff800015e1bcf0 x28: ffff000807a88000 [ 168.536200] x27: 0000000000000000 x26: 0000000000000000 [ 168.541539] x25: ffff8000114f1970 x24: ffff800015e1be20 [ 168.546875] x23: 000000000000000c x22: ffff0008047fb000 [ 168.552209] x21: ffff800011a03de0 x20: 0000000000000000 [ 168.557546] x19: 0000000000000027 x18: 0000000000000000 [ 168.562879] x17: 0000000000000000 x16: 0000000000000000 [ 168.568211] x15: 0000000000000030 x14: ffffffffffffffff [ 168.573542] x13: ffff800095e1b9d7 x12: ffff800015e1b9df [ 168.578874] x11: 0000000000000018 x10: 0000000000001440 [ 168.584205] x9 : ffff80001012dd74 x8 : ffff000807a894a0 [ 168.589537] x7 : 0000000000000000 x6 : ffff800012551000 [ 168.594868] x5 : ffff800012551c88 x4 : ffff00097ef90c50 [ 168.600200] x3 : 0000000000000000 x2 : 0000000000000000 [ 168.605531] x1 : 000000000000c0de x0 : ffff800011a04000 [ 168.610863] Call trace: [ 168.613316] lkdtm_ACCESS_NULL+0x34/0x78 [ 168.617249] lkdtm_do_action+0x24/0x40 [ 168.621006] direct_entry+0xd0/0x140 [ 168.624590] full_proxy_write+0x68/0xbc [ 168.628436] vfs_write+0xec/0x20c [ 168.631757] ksys_write+0x70/0x100 [ 168.635165] __arm64_sys_write+0x24/0x30 [ 168.639099] el0_svc_common.constprop.0+0x84/0x1e0 [ 168.643901] do_el0_svc+0x2c/0x94 [ 168.647224] el0_svc+0x20/0x30 [ 168.650284] el0_sync_handler+0xb0/0xb4 [ 168.654128] el0_sync+0x180/0x1c0 [ 168.657454] Code: 91394000 97ffdf68 d2981bc1 90003e00 (f9400293) [ 168.663564] ---[ end trace ce6c5c8a996b341a ]--- # Segmentation fault # [ 168.423391] lkdtm: Performing direct entry ACCESS_NULL # [ 168.428627] lkdtm: attempting bad read at 0000000000000000 # [ 168.434280] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000 # [ 168.443173] Mem abort info: # [ 168.446274] ESR = 0x96000004 # [ 168.449394] EC = 0x25: DABT (current EL), IL = 32 bits # [ 168.454746] SET = 0, FnV = 0 # [ 168.457827] EA = 0, S1PTW = 0 # [ 168.460992] Data abort info: # [ 168.463884] ISV = 0, ISS = 0x00000004 # [ 168.467751] CM = 0, WnR = 0 # [ 168.470748] user pgtable: 4k pages, 48-bit VAs, pgdp=0000000883b89000 # [ 168.477224] [0000000000000000] pgd=0000000000000000, p4d=0000000000000000 # [ 168.484076] Internal error: Oops: 96000004 [#12] PREEMPT SMP # [ 168.489753] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 168.499234] CPU: 1 PID: 2058 Comm: cat Tainted: G D W 5.10.161-cip22 #1 # [ 168.507000] Hardware name: ARM Juno development board (r0) (DT) # [ 168.512940] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 168.518970] pc : lkdtm_ACCESS_NULL+0x34/0x78 # [ 168.523255] lr : lkdtm_ACCESS_NULL+0x2c/0x78 # [ 168.527536] sp : ffff800015e1bcf0 # [ 168.530860] x29: ffff800015e1bcf0 x28: ffff000807a88000 # [ 168.536200] x27: 0000000000000000 x26: 0000000000000000 # [ 168.541539] x25: ffff8000114f1970 x24: ffff800015e1be20 # [ 168.546875] x23: 000000000000000c x22: ffff0008047fb000 # [ 168.552209] x21: ffff800011a03de0 x20: 0000000000000000 # [ 168.557546] x19: 0000000000000027 x18: 0000000000000000 # [ 168.562879] x17: 0000000000000000 x16: 0000000000000000 # [ 168.568211] x15: 0000000000000030 x14: ffffffffffffffff # [ 168.573542] x13: ffff800095e1b9d7 x12: ffff800015e1b9df # [ 168.578874] x11: 0000000000000018 x10: 0000000000001440 # [ 168.584205] x9 : ffff80001012dd74 x8 : ffff000807a894a0 # [ 168.589537] x7 : 0000000000000000 x6 : ffff800012551000 # [ 168.594868] x5 : ffff800012551c88 x4 : ffff00097ef90c50 # [ 168.600200] x3 : 0000000000000000 x2 : 0000000000000000 # [ 168.605531] x1 : 000000000000c0de x0 : ffff800011a04000 # [ 168.610863] Call trace: # [ 168.613316] lkdtm_ACCESS_NULL+0x34/0x78 # [ 168.617249] lkdtm_do_action+0x24/0x40 # [ 168.621006] direct_entry+0xd0/0x140 # [ 168.624590] full_proxy_write+0x68/0xbc # [ 168.628436] vfs_write+0xec/0x20c # [ 168.631757] ksys_write+0x70/0x100 # [ 168.635165] __arm64_sys_write+0x24/0x30 # [ 168.639099] el0_svc_common.constprop.0+0x84/0x1e0 # [ 168.643901] do_el0_svc+0x2c/0x94 # [ 168.647224] el0_svc+0x20/0x30 # [ 168.650284] el0_sync_handler+0xb0/0xb4 # [ 168.654128] el0_sync+0x180/0x1c0 # [ 168.657454] Code: 91394000 97ffdf68 d2981bc1 90003e00 (f9400293) # [ 168.663564] ---[ end trace ce6c5c8a996b341a ]--- # ACCESS_NULL: saw 'call trace:': ok ok 38 selftests: lkdtm: ACCESS_NULL.sh # selftests: lkdtm: WRITE_RO.sh [ 169.090504] lkdtm: Performing direct entry WRITE_RO [ 169.095492] lkdtm: attempting bad rodata write at ffff8000114f1e60 [ 169.101791] Unable to handle kernel write to read-only memory at virtual address ffff8000114f1e60 [ 169.113613] Mem abort info: [ 169.116990] ESR = 0x9600004e [ 169.120199] EC = 0x25: DABT (current EL), IL = 32 bits [ 169.125580] SET = 0, FnV = 0 [ 169.128667] EA = 0, S1PTW = 0 [ 169.131819] Data abort info: [ 169.134730] ISV = 0, ISS = 0x0000004e [ 169.138605] CM = 0, WnR = 1 [ 169.141608] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081dbf000 [ 169.148355] [ffff8000114f1e60] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=0060000081600781 [ 169.159061] Internal error: Oops: 9600004e [#13] PREEMPT SMP [ 169.164733] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 169.174211] CPU: 1 PID: 2103 Comm: cat Tainted: G D W 5.10.161-cip22 #1 [ 169.181969] Hardware name: ARM Juno development board (r0) (DT) [ 169.187906] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 169.193936] pc : lkdtm_WRITE_RO+0x44/0x5c [ 169.197956] lr : lkdtm_WRITE_RO+0x2c/0x5c [ 169.201977] sp : ffff800015e8bcf0 [ 169.205300] x29: ffff800015e8bcf0 x28: ffff000808430000 [ 169.210636] x27: 0000000000000000 x26: 0000000000000000 [ 169.215968] x25: ffff8000114f1970 x24: ffff800015e8be20 [ 169.221303] x23: 0000000000000009 x22: ffff000807265000 [ 169.226639] x21: ffff800011a03df0 x20: ffff8000114f1bf0 [ 169.231972] x19: ffff8000114f1000 x18: 0000000000000001 [ 169.237303] x17: 0000000000000000 x16: 0000000000000000 [ 169.242635] x15: 0000000000000030 x14: ffffffffffffffff [ 169.247967] x13: ffff800095e8b9d7 x12: ffff800015e8b9e0 [ 169.253298] x11: 0000000000000000 x10: ffff8000125d82d0 [ 169.258629] x9 : ffff80001012dd74 x8 : ffff8000125802d0 [ 169.263961] x7 : ffff8000125d82d0 x6 : ffff800012551000 [ 169.269293] x5 : ffff800012551c88 x4 : ffff00097ef08c50 [ 169.274624] x3 : 0000000000000000 x2 : 00000000abcd1234 [ 169.279956] x1 : 000000000198b861 x0 : ffff800011a04d40 [ 169.285288] Call trace: [ 169.287741] lkdtm_WRITE_RO+0x44/0x5c [ 169.291413] lkdtm_do_action+0x24/0x40 [ 169.295169] direct_entry+0xd0/0x140 [ 169.298753] full_proxy_write+0x68/0xbc [ 169.302599] vfs_write+0xec/0x20c [ 169.305920] ksys_write+0x70/0x100 [ 169.309329] __arm64_sys_write+0x24/0x30 [ 169.313264] el0_svc_common.constprop.0+0x84/0x1e0 [ 169.318066] do_el0_svc+0x2c/0x94 [ 169.321390] el0_svc+0x20/0x30 [ 169.324450] el0_sync_handler+0xb0/0xb4 [ 169.328293] el0_sync+0x180/0x1c0 [ 169.331620] Code: f2b579a2 90003e00 ca020021 91350000 (f9073261) [ 169.337730] ---[ end trace ce6c5c8a996b341b ]--- # Segmentation fault # [ 169.090504] lkdtm: Performing direct entry WRITE_RO # [ 169.095492] lkdtm: attempting bad rodata write at ffff8000114f1e60 # [ 169.101791] Unable to handle kernel write to read-only memory at virtual address ffff8000114f1e60 # [ 169.113613] Mem abort info: # [ 169.116990] ESR = 0x9600004e # [ 169.120199] EC = 0x25: DABT (current EL), IL = 32 bits # [ 169.125580] SET = 0, FnV = 0 # [ 169.128667] EA = 0, S1PTW = 0 # [ 169.131819] Data abort info: # [ 169.134730] ISV = 0, ISS = 0x0000004e # [ 169.138605] CM = 0, WnR = 1 # [ 169.141608] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081dbf000 # [ 169.148355] [ffff8000114f1e60] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=0060000081600781 # [ 169.159061] Internal error: Oops: 9600004e [#13] PREEMPT SMP # [ 169.164733] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 169.174211] CPU: 1 PID: 2103 Comm: cat Tainted: G D W 5.10.161-cip22 #1 # [ 169.181969] Hardware name: ARM Juno development board (r0) (DT) # [ 169.187906] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 169.193936] pc : lkdtm_WRITE_RO+0x44/0x5c # [ 169.197956] lr : lkdtm_WRITE_RO+0x2c/0x5c # [ 169.201977] sp : ffff800015e8bcf0 # [ 169.205300] x29: ffff800015e8bcf0 x28: ffff000808430000 # [ 169.210636] x27: 0000000000000000 x26: 0000000000000000 # [ 169.215968] x25: ffff8000114f1970 x24: ffff800015e8be20 # [ 169.221303] x23: 0000000000000009 x22: ffff000807265000 # [ 169.226639] x21: ffff800011a03df0 x20: ffff8000114f1bf0 # [ 169.231972] x19: ffff8000114f1000 x18: 0000000000000001 # [ 169.237303] x17: 0000000000000000 x16: 0000000000000000 # [ 169.242635] x15: 0000000000000030 x14: ffffffffffffffff # [ 169.247967] x13: ffff800095e8b9d7 x12: ffff800015e8b9e0 # [ 169.253298] x11: 0000000000000000 x10: ffff8000125d82d0 # [ 169.258629] x9 : ffff80001012dd74 x8 : ffff8000125802d0 # [ 169.263961] x7 : ffff8000125d82d0 x6 : ffff800012551000 # [ 169.269293] x5 : ffff800012551c88 x4 : ffff00097ef08c50 # [ 169.274624] x3 : 0000000000000000 x2 : 00000000abcd1234 # [ 169.279956] x1 : 000000000198b861 x0 : ffff800011a04d40 # [ 169.285288] Call trace: # [ 169.287741] lkdtm_WRITE_RO+0x44/0x5c # [ 169.291413] lkdtm_do_action+0x24/0x40 # [ 169.295169] direct_entry+0xd0/0x140 # [ 169.298753] full_proxy_write+0x68/0xbc # [ 169.302599] vfs_write+0xec/0x20c # [ 169.305920] ksys_write+0x70/0x100 # [ 169.309329] __arm64_sys_write+0x24/0x30 # [ 169.313264] el0_svc_common.constprop.0+0x84/0x1e0 # [ 169.318066] do_el0_svc+0x2c/0x94 # [ 169.321390] el0_svc+0x20/0x30 # [ 169.324450] el0_sync_handler+0xb0/0xb4 # [ 169.328293] el0_sync+0x180/0x1c0 # [ 169.331620] Code: f2b579a2 90003e00 ca020021 91350000 (f9073261) # [ 169.337730] ---[ end trace ce6c5c8a996b341b ]--- # WRITE_RO: saw 'call trace:': ok ok 39 selftests: lkdtm: WRITE_RO.sh # selftests: lkdtm: WRITE_RO_AFTER_INIT.sh [ 169.750335] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT [ 169.756283] lkdtm: attempting bad ro_after_init write at ffff800011ad6508 [ 169.763409] Unable to handle kernel write to read-only memory at virtual address ffff800011ad6508 [ 169.772479] Mem abort info: [ 169.775292] ESR = 0x9600004f [ 169.778414] EC = 0x25: DABT (current EL), IL = 32 bits [ 169.783766] SET = 0, FnV = 0 [ 169.786855] EA = 0, S1PTW = 0 [ 169.790028] Data abort info: [ 169.792938] ISV = 0, ISS = 0x0000004f [ 169.796810] CM = 0, WnR = 1 [ 169.799793] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081dbf000 [ 169.806537] [ffff800011ad6508] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=00000009ffffc003, pte=0060000081cd6783 [ 169.819162] Internal error: Oops: 9600004f [#14] PREEMPT SMP [ 169.824835] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 169.834313] CPU: 2 PID: 2148 Comm: cat Tainted: G D W 5.10.161-cip22 #1 [ 169.842079] Hardware name: ARM Juno development board (r0) (DT) [ 169.848017] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 169.854042] pc : lkdtm_WRITE_RO_AFTER_INIT+0x68/0x80 [ 169.859022] lr : lkdtm_WRITE_RO_AFTER_INIT+0x50/0x80 [ 169.863994] sp : ffff800015f93cf0 [ 169.867317] x29: ffff800015f93cf0 x28: ffff000803398000 [ 169.872657] x27: 0000000000000000 x26: 0000000000000000 [ 169.877995] x25: ffff8000114f1970 x24: ffff800015f93e20 [ 169.883332] x23: 0000000000000014 x22: ffff000805778000 [ 169.888664] x21: ffff800011a03e00 x20: ffff8000114f1c00 [ 169.893995] x19: ffff800011ad6000 x18: 0000000000000000 [ 169.899326] x17: 0000000000000000 x16: 0000000000000000 [ 169.904657] x15: 0000000000000030 x14: ffffffffffffffff [ 169.909988] x13: ffff800095f939d7 x12: ffff800015f939df [ 169.915319] x11: 0000000000000018 x10: 0000000000001440 [ 169.920650] x9 : ffff80001012dd74 x8 : ffff0008033994a0 [ 169.925981] x7 : 0000000000000000 x6 : ffff800012551000 [ 169.931312] x5 : ffff800012551c88 x4 : ffff00097ef08c50 [ 169.936643] x3 : 0000000000000000 x2 : 00000000abcd1234 [ 169.941974] x1 : 00000000fe67479e x0 : ffff800011a04d40 [ 169.947305] Call trace: [ 169.949758] lkdtm_WRITE_RO_AFTER_INIT+0x68/0x80 [ 169.954387] lkdtm_do_action+0x24/0x40 [ 169.958144] direct_entry+0xd0/0x140 [ 169.961727] full_proxy_write+0x68/0xbc [ 169.965573] vfs_write+0xec/0x20c [ 169.968894] ksys_write+0x70/0x100 [ 169.972302] __arm64_sys_write+0x24/0x30 [ 169.976236] el0_svc_common.constprop.0+0x84/0x1e0 [ 169.981037] do_el0_svc+0x2c/0x94 [ 169.984360] el0_svc+0x20/0x30 [ 169.987419] el0_sync_handler+0xb0/0xb4 [ 169.991263] el0_sync+0x180/0x1c0 [ 169.994589] Code: f2b579a2 90003e00 ca020021 91350000 (f9028661) [ 170.000698] ---[ end trace ce6c5c8a996b341c ]--- # Segmentation fault # [ 169.750335] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT # [ 169.756283] lkdtm: attempting bad ro_after_init write at ffff800011ad6508 # [ 169.763409] Unable to handle kernel write to read-only memory at virtual address ffff800011ad6508 # [ 169.772479] Mem abort info: # [ 169.775292] ESR = 0x9600004f # [ 169.778414] EC = 0x25: DABT (current EL), IL = 32 bits # [ 169.783766] SET = 0, FnV = 0 # [ 169.786855] EA = 0, S1PTW = 0 # [ 169.790028] Data abort info: # [ 169.792938] ISV = 0, ISS = 0x0000004f # [ 169.796810] CM = 0, WnR = 1 # [ 169.799793] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081dbf000 # [ 169.806537] [ffff800011ad6508] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=00000009ffffc003, pte=0060000081cd6783 # [ 169.819162] Internal error: Oops: 9600004f [#14] PREEMPT SMP # [ 169.824835] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 169.834313] CPU: 2 PID: 2148 Comm: cat Tainted: G D W 5.10.161-cip22 #1 # [ 169.842079] Hardware name: ARM Juno development board (r0) (DT) # [ 169.848017] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 169.854042] pc : lkdtm_WRITE_RO_AFTER_INIT+0x68/0x80 # [ 169.859022] lr : lkdtm_WRITE_RO_AFTER_INIT+0x50/0x80 # [ 169.863994] sp : ffff800015f93cf0 # [ 169.867317] x29: ffff800015f93cf0 x28: ffff000803398000 # [ 169.872657] x27: 0000000000000000 x26: 0000000000000000 # [ 169.877995] x25: ffff8000114f1970 x24: ffff800015f93e20 # [ 169.883332] x23: 0000000000000014 x22: ffff000805778000 # [ 169.888664] x21: ffff800011a03e00 x20: ffff8000114f1c00 # [ 169.893995] x19: ffff800011ad6000 x18: 0000000000000000 # [ 169.899326] x17: 0000000000000000 x16: 0000000000000000 # [ 169.904657] x15: 0000000000000030 x14: ffffffffffffffff # [ 169.909988] x13: ffff800095f939d7 x12: ffff800015f939df # [ 169.915319] x11: 0000000000000018 x10: 0000000000001440 # [ 169.920650] x9 : ffff80001012dd74 x8 : ffff0008033994a0 # [ 169.925981] x7 : 0000000000000000 x6 : ffff800012551000 # [ 169.931312] x5 : ffff800012551c88 x4 : ffff00097ef08c50 # [ 169.936643] x3 : 0000000000000000 x2 : 00000000abcd1234 # [ 169.941974] x1 : 00000000fe67479e x0 : ffff800011a04d40 # [ 169.947305] Call trace: # [ 169.949758] lkdtm_WRITE_RO_AFTER_INIT+0x68/0x80 # [ 169.954387] lkdtm_do_action+0x24/0x40 # [ 169.958144] direct_entry+0xd0/0x140 # [ 169.961727] full_proxy_write+0x68/0xbc # [ 169.965573] vfs_write+0xec/0x20c # [ 169.968894] ksys_write+0x70/0x100 # [ 169.972302] __arm64_sys_write+0x24/0x30 # [ 169.976236] el0_svc_common.constprop.0+0x84/0x1e0 # [ 169.981037] do_el0_svc+0x2c/0x94 # [ 169.984360] el0_svc+0x20/0x30 # [ 169.987419] el0_sync_handler+0xb0/0xb4 # [ 169.991263] el0_sync+0x180/0x1c0 # [ 169.994589] Code: f2b579a2 90003e00 ca020021 91350000 (f9028661) # [ 170.000698] ---[ end trace ce6c5c8a996b341c ]--- # WRITE_RO_AFTER_INIT: saw 'call trace:': ok ok 40 selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # selftests: lkdtm: WRITE_KERN.sh [ 170.433304] lkdtm: Performing direct entry WRITE_KERN [ 170.438435] lkdtm: attempting bad 8615496 byte write at ffff800011244808 [ 170.445304] Unable to handle kernel write to read-only memory at virtual address ffff800011244808 [ 170.454309] Mem abort info: [ 170.457439] ESR = 0x9600004f [ 170.460569] EC = 0x25: DABT (current EL), IL = 32 bits [ 170.465927] SET = 0, FnV = 0 [ 170.469015] EA = 0, S1PTW = 0 [ 170.472188] Data abort info: [ 170.475086] ISV = 0, ISS = 0x0000004f [ 170.478956] CM = 0, WnR = 1 [ 170.481958] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081dbf000 [ 170.488696] [ffff800011244808] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=00000009ffffd003, pte=0050000081444783 [ 170.501318] Internal error: Oops: 9600004f [#15] PREEMPT SMP [ 170.506990] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 170.516465] CPU: 1 PID: 2193 Comm: cat Tainted: G D W 5.10.161-cip22 #1 [ 170.524224] Hardware name: ARM Juno development board (r0) (DT) [ 170.530160] pstate: 20000005 (nzCv daif -PAN -UAO -TCO BTYPE=--) [ 170.536189] pc : __memcpy+0x110/0x180 [ 170.539863] lr : lkdtm_WRITE_KERN+0x54/0x88 [ 170.544057] sp : ffff80001605bce0 [ 170.547377] x29: ffff80001605bce0 x28: ffff0008003f9880 [ 170.552710] x27: 0000000000000000 x26: 0000000000000000 [ 170.558045] x25: ffff8000114f1970 x24: ffff80001605be20 [ 170.563381] x23: 000000000000000b x22: ffff0008038d4000 [ 170.568713] x21: 0000000000837648 x20: ffff800010a0d1c0 [ 170.574043] x19: ffff800011244808 x18: 0000000000000000 [ 170.579374] x17: 0000000000000000 x16: 0000000000000000 [ 170.584705] x15: 0000000000000030 x14: f9000fe097e4f752 [ 170.590036] x13: f9478800910003fd x12: 52819801d2800802 [ 170.595367] x11: a9be7bfdd0008620 x10: d503233fd503201f [ 170.600698] x9 : aa1e03e9d65f03c0 x8 : d50323bfd503233f [ 170.606029] x7 : d503201faa1e03e9 x6 : ffff800011244808 [ 170.611360] x5 : ffff800012551c88 x4 : 0000000000000000 [ 170.616691] x3 : 0000000000000000 x2 : 00000000008375c8 [ 170.622021] x1 : ffff800010a0d200 x0 : ffff800011244808 [ 170.627352] Call trace: [ 170.629805] __memcpy+0x110/0x180 [ 170.633129] lkdtm_do_action+0x24/0x40 [ 170.636885] direct_entry+0xd0/0x140 [ 170.640468] full_proxy_write+0x68/0xbc [ 170.644313] vfs_write+0xec/0x20c [ 170.647634] ksys_write+0x70/0x100 [ 170.651042] __arm64_sys_write+0x24/0x30 [ 170.654976] el0_svc_common.constprop.0+0x84/0x1e0 [ 170.659777] do_el0_svc+0x2c/0x94 [ 170.663100] el0_svc+0x20/0x30 [ 170.666160] el0_sync_handler+0xb0/0xb4 [ 170.670003] el0_sync+0x180/0x1c0 [ 170.673329] Code: a8c12027 a8c12829 a8c1302b a8c1382d (a88120c7) [ 170.679437] ---[ end trace ce6c5c8a996b341d ]--- # Segmentation fault # [ 170.433304] lkdtm: Performing direct entry WRITE_KERN # [ 170.438435] lkdtm: attempting bad 8615496 byte write at ffff800011244808 # [ 170.445304] Unable to handle kernel write to read-only memory at virtual address ffff800011244808 # [ 170.454309] Mem abort info: # [ 170.457439] ESR = 0x9600004f # [ 170.460569] EC = 0x25: DABT (current EL), IL = 32 bits # [ 170.465927] SET = 0, FnV = 0 # [ 170.469015] EA = 0, S1PTW = 0 # [ 170.472188] Data abort info: # [ 170.475086] ISV = 0, ISS = 0x0000004f # [ 170.478956] CM = 0, WnR = 1 # [ 170.481958] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081dbf000 # [ 170.488696] [ffff800011244808] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=00000009ffffd003, pte=0050000081444783 # [ 170.501318] Internal error: Oops: 9600004f [#15] PREEMPT SMP # [ 170.506990] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 170.516465] CPU: 1 PID: 2193 Comm: cat Tainted: G D W 5.10.161-cip22 #1 # [ 170.524224] Hardware name: ARM Juno development board (r0) (DT) # [ 170.530160] pstate: 20000005 (nzCv daif -PAN -UAO -TCO BTYPE=--) # [ 170.536189] pc : __memcpy+0x110/0x180 # [ 170.539863] lr : lkdtm_WRITE_KERN+0x54/0x88 # [ 170.544057] sp : ffff80001605bce0 # [ 170.547377] x29: ffff80001605bce0 x28: ffff0008003f9880 # [ 170.552710] x27: 0000000000000000 x26: 0000000000000000 # [ 170.558045] x25: ffff8000114f1970 x24: ffff80001605be20 # [ 170.563381] x23: 000000000000000b x22: ffff0008038d4000 # [ 170.568713] x21: 0000000000837648 x20: ffff800010a0d1c0 # [ 170.574043] x19: ffff800011244808 x18: 0000000000000000 # [ 170.579374] x17: 0000000000000000 x16: 0000000000000000 # [ 170.584705] x15: 0000000000000030 x14: f9000fe097e4f752 # [ 170.590036] x13: f9478800910003fd x12: 52819801d2800802 # [ 170.595367] x11: a9be7bfdd0008620 x10: d503233fd503201f # [ 170.600698] x9 : aa1e03e9d65f03c0 x8 : d50323bfd503233f # [ 170.606029] x7 : d503201faa1e03e9 x6 : ffff800011244808 # [ 170.611360] x5 : ffff800012551c88 x4 : 0000000000000000 # [ 170.616691] x3 : 0000000000000000 x2 : 00000000008375c8 # [ 170.622021] x1 : ffff800010a0d200 x0 : ffff800011244808 # [ 170.627352] Call trace: # [ 170.629805] __memcpy+0x110/0x180 # [ 170.633129] lkdtm_do_action+0x24/0x40 # [ 170.636885] direct_entry+0xd0/0x140 # [ 170.640468] full_proxy_write+0x68/0xbc # [ 170.644313] vfs_write+0xec/0x20c # [ 170.647634] ksys_write+0x70/0x100 # [ 170.651042] __arm64_sys_write+0x24/0x30 # [ 170.654976] el0_svc_common.constprop.0+0x84/0x1e0 # [ 170.659777] do_el0_svc+0x2c/0x94 # [ 170.663100] el0_svc+0x20/0x30 # [ 170.666160] el0_sync_handler+0xb0/0xb4 # [ 170.670003] el0_sync+0x180/0x1c0 # [ 170.673329] Code: a8c12027 a8c12829 a8c1302b a8c1382d (a88120c7) # [ 170.679437] ---[ end trace ce6c5c8a996b341d ]--- # WRITE_KERN: saw 'call trace:': ok ok 41 selftests: lkdtm: WRITE_KERN.sh # selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh [ 171.109943] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW [ 171.116028] lkdtm: attempting good refcount_inc() without overflow [ 171.122305] lkdtm: attempting bad refcount_inc() overflow [ 171.127775] ------------[ cut here ]------------ [ 171.132528] refcount_t: saturated; leaking memory. [ 171.137480] WARNING: CPU: 3 PID: 2238 at lib/refcount.c:22 refcount_warn_saturate+0x74/0x144 [ 171.145941] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 171.155444] CPU: 3 PID: 2238 Comm: cat Tainted: G D W 5.10.161-cip22 #1 [ 171.163207] Hardware name: ARM Juno development board (r0) (DT) [ 171.169146] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 171.175171] pc : refcount_warn_saturate+0x74/0x144 [ 171.179977] lr : refcount_warn_saturate+0x74/0x144 [ 171.184780] sp : ffff8000160e3cd0 [ 171.188105] x29: ffff8000160e3cd0 x28: ffff000807384980 [ 171.193447] x27: 0000000000000000 x26: 0000000000000000 [ 171.198787] x25: ffff8000114f1970 x24: ffff8000160e3e20 [ 171.204127] x23: 0000000000000016 x22: ffff000803388000 [ 171.209468] x21: ffff800011a03e28 x20: ffff8000114f1c20 [ 171.214808] x19: 000000000000002b x18: 0000000000000000 [ 171.220148] x17: 0000000000000000 x16: 0000000000000000 [ 171.225489] x15: 0000000000000030 x14: ffffffffffffffff [ 171.230829] x13: ffff8000960e3977 x12: ffff8000160e397f [ 171.236170] x11: 0000000000000028 x10: ffff8000125d82d0 [ 171.241510] x9 : ffff80001012dd74 x8 : ffff8000125802d0 [ 171.246851] x7 : ffff8000125d82d0 x6 : ffff800012551000 [ 171.252191] x5 : ffff800012551c88 x4 : ffff00097ef6ec50 [ 171.257531] x3 : 0000000000000000 x2 : 0000000000000000 [ 171.262871] x1 : 0000000000000000 x0 : ffff000807384980 [ 171.268211] Call trace: [ 171.270669] refcount_warn_saturate+0x74/0x144 [ 171.275131] __refcount_add.constprop.0+0x6c/0x80 [ 171.279852] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0xa0 [ 171.284658] lkdtm_do_action+0x24/0x40 [ 171.288420] direct_entry+0xd0/0x140 [ 171.292009] full_proxy_write+0x68/0xbc [ 171.295860] vfs_write+0xec/0x20c [ 171.299187] ksys_write+0x70/0x100 [ 171.302601] __arm64_sys_write+0x24/0x30 [ 171.306540] el0_svc_common.constprop.0+0x84/0x1e0 [ 171.311348] do_el0_svc+0x2c/0x94 [ 171.314677] el0_svc+0x20/0x30 [ 171.317742] el0_sync_handler+0xb0/0xb4 [ 171.321591] el0_sync+0x180/0x1c0 [ 171.324917] irq event stamp: 0 [ 171.327985] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 171.334276] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 [ 171.342480] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 [ 171.350680] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 171.356963] ---[ end trace ce6c5c8a996b341e ]--- [ 171.361885] lkdtm: Overflow detected: saturated # [ 171.109943] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW # [ 171.116028] lkdtm: attempting good refcount_inc() without overflow # [ 171.122305] lkdtm: attempting bad refcount_inc() overflow # [ 171.127775] ------------[ cut here ]------------ # [ 171.132528] refcount_t: saturated; leaking memory. # [ 171.137480] WARNING: CPU: 3 PID: 2238 at lib/refcount.c:22 refcount_warn_saturate+0x74/0x144 # [ 171.145941] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 171.155444] CPU: 3 PID: 2238 Comm: cat Tainted: G D W 5.10.161-cip22 #1 # [ 171.163207] Hardware name: ARM Juno development board (r0) (DT) # [ 171.169146] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 171.175171] pc : refcount_warn_saturate+0x74/0x144 # [ 171.179977] lr : refcount_warn_saturate+0x74/0x144 # [ 171.184780] sp : ffff8000160e3cd0 # [ 171.188105] x29: ffff8000160e3cd0 x28: ffff000807384980 # [ 171.193447] x27: 0000000000000000 x26: 0000000000000000 # [ 171.198787] x25: ffff8000114f1970 x24: ffff8000160e3e20 # [ 171.204127] x23: 0000000000000016 x22: ffff000803388000 # [ 171.209468] x21: ffff800011a03e28 x20: ffff8000114f1c20 # [ 171.214808] x19: 000000000000002b x18: 0000000000000000 # [ 171.220148] x17: 0000000000000000 x16: 0000000000000000 # [ 171.225489] x15: 0000000000000030 x14: ffffffffffffffff # [ 171.230829] x13: ffff8000960e3977 x12: ffff8000160e397f # [ 171.236170] x11: 0000000000000028 x10: ffff8000125d82d0 # [ 171.241510] x9 : ffff80001012dd74 x8 : ffff8000125802d0 # [ 171.246851] x7 : ffff8000125d82d0 x6 : ffff800012551000 # [ 171.252191] x5 : ffff800012551c88 x4 : ffff00097ef6ec50 # [ 171.257531] x3 : 0000000000000000 x2 : 0000000000000000 # [ 171.262871] x1 : 0000000000000000 x0 : ffff000807384980 # [ 171.268211] Call trace: # [ 171.270669] refcount_warn_saturate+0x74/0x144 # [ 171.275131] __refcount_add.constprop.0+0x6c/0x80 # [ 171.279852] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0xa0 # [ 171.284658] lkdtm_do_action+0x24/0x40 # [ 171.288420] direct_entry+0xd0/0x140 # [ 171.292009] full_proxy_write+0x68/0xbc # [ 171.295860] vfs_write+0xec/0x20c # [ 171.299187] ksys_write+0x70/0x100 # [ 171.302601] __arm64_sys_write+0x24/0x30 # [ 171.306540] el0_svc_common.constprop.0+0x84/0x1e0 # [ 171.311348] do_el0_svc+0x2c/0x94 # [ 171.314677] el0_svc+0x20/0x30 # [ 171.317742] el0_sync_handler+0xb0/0xb4 # [ 171.321591] el0_sync+0x180/0x1c0 # [ 171.324917] irq event stamp: 0 # [ 171.327985] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 171.334276] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 # [ 171.342480] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 # [ 171.350680] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 171.356963] ---[ end trace ce6c5c8a996b341e ]--- # [ 171.361885] 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 [ 171.795831] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW [ 171.801939] lkdtm: attempting good refcount_add() without overflow [ 171.808268] lkdtm: attempting bad refcount_add() overflow [ 171.813767] ------------[ cut here ]------------ [ 171.818696] refcount_t: saturated; leaking memory. [ 171.823770] WARNING: CPU: 1 PID: 2270 at lib/refcount.c:22 refcount_warn_saturate+0x74/0x144 [ 171.832230] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 171.841703] CPU: 1 PID: 2270 Comm: cat Tainted: G D W 5.10.161-cip22 #1 [ 171.849461] Hardware name: ARM Juno development board (r0) (DT) [ 171.855395] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 171.861415] pc : refcount_warn_saturate+0x74/0x144 [ 171.866215] lr : refcount_warn_saturate+0x74/0x144 [ 171.871014] sp : ffff800016183cd0 [ 171.874333] x29: ffff800016183cd0 x28: ffff00080721c980 [ 171.879666] x27: 0000000000000000 x26: 0000000000000000 [ 171.884998] x25: ffff8000114f1970 x24: ffff800016183e20 [ 171.890329] x23: 0000000000000016 x22: ffff000804298000 [ 171.895660] x21: ffff800011a03e40 x20: ffff8000114f1c30 [ 171.900991] x19: 000000000000002c x18: 0000000000000000 [ 171.906322] x17: 0000000000000000 x16: 0000000000000000 [ 171.911653] x15: 0000000000000000 x14: ffff00080028e200 [ 171.916984] x13: ffff80096d181000 x12: 0000000030d4d91d [ 171.922315] x11: 0000000000000000 x10: 0000000000001440 [ 171.927646] x9 : ffff80001012dd74 x8 : ffff00097efd97c0 [ 171.932977] x7 : ffff00080721c980 x6 : ffff800012551000 [ 171.938308] x5 : ffff800012551c88 x4 : ffff00097ef2ac50 [ 171.943639] x3 : 0000000000000000 x2 : 0000000000000000 [ 171.948970] x1 : 0000000000000000 x0 : ffff00080721c980 [ 171.954301] Call trace: [ 171.956753] refcount_warn_saturate+0x74/0x144 [ 171.961209] __refcount_add.constprop.0+0x6c/0x80 [ 171.965925] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7c/0xac [ 171.970726] lkdtm_do_action+0x24/0x40 [ 171.974482] direct_entry+0xd0/0x140 [ 171.978065] full_proxy_write+0x68/0xbc [ 171.981910] vfs_write+0xec/0x20c [ 171.985231] ksys_write+0x70/0x100 [ 171.988640] __arm64_sys_write+0x24/0x30 [ 171.992573] el0_svc_common.constprop.0+0x84/0x1e0 [ 171.997374] do_el0_svc+0x2c/0x94 [ 172.000697] el0_svc+0x20/0x30 [ 172.003758] el0_sync_handler+0xb0/0xb4 [ 172.007602] el0_sync+0x180/0x1c0 [ 172.010922] irq event stamp: 0 [ 172.013984] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 172.020268] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 [ 172.028465] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 [ 172.036660] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 172.042938] ---[ end trace ce6c5c8a996b341f ]--- [ 172.047733] lkdtm: Overflow detected: saturated # [ 171.795831] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW # [ 171.801939] lkdtm: attempting good refcount_add() without overflow # [ 171.808268] lkdtm: attempting bad refcount_add() overflow # [ 171.813767] ------------[ cut here ]------------ # [ 171.818696] refcount_t: saturated; leaking memory. # [ 171.823770] WARNING: CPU: 1 PID: 2270 at lib/refcount.c:22 refcount_warn_saturate+0x74/0x144 # [ 171.832230] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 171.841703] CPU: 1 PID: 2270 Comm: cat Tainted: G D W 5.10.161-cip22 #1 # [ 171.849461] Hardware name: ARM Juno development board (r0) (DT) # [ 171.855395] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 171.861415] pc : refcount_warn_saturate+0x74/0x144 # [ 171.866215] lr : refcount_warn_saturate+0x74/0x144 # [ 171.871014] sp : ffff800016183cd0 # [ 171.874333] x29: ffff800016183cd0 x28: ffff00080721c980 # [ 171.879666] x27: 0000000000000000 x26: 0000000000000000 # [ 171.884998] x25: ffff8000114f1970 x24: ffff800016183e20 # [ 171.890329] x23: 0000000000000016 x22: ffff000804298000 # [ 171.895660] x21: ffff800011a03e40 x20: ffff8000114f1c30 # [ 171.900991] x19: 000000000000002c x18: 0000000000000000 # [ 171.906322] x17: 0000000000000000 x16: 0000000000000000 # [ 171.911653] x15: 0000000000000000 x14: ffff00080028e200 # [ 171.916984] x13: ffff80096d181000 x12: 0000000030d4d91d # [ 171.922315] x11: 0000000000000000 x10: 0000000000001440 # [ 171.927646] x9 : ffff80001012dd74 x8 : ffff00097efd97c0 # [ 171.932977] x7 : ffff00080721c980 x6 : ffff800012551000 # [ 171.938308] x5 : ffff800012551c88 x4 : ffff00097ef2ac50 # [ 171.943639] x3 : 0000000000000000 x2 : 0000000000000000 # [ 171.948970] x1 : 0000000000000000 x0 : ffff00080721c980 # [ 171.954301] Call trace: # [ 171.956753] refcount_warn_saturate+0x74/0x144 # [ 171.961209] __refcount_add.constprop.0+0x6c/0x80 # [ 171.965925] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7c/0xac # [ 171.970726] lkdtm_do_action+0x24/0x40 # [ 171.974482] direct_entry+0xd0/0x140 # [ 171.978065] full_proxy_write+0x68/0xbc # [ 171.981910] vfs_write+0xec/0x20c # [ 171.985231] ksys_write+0x70/0x100 # [ 171.988640] __arm64_sys_write+0x24/0x30 # [ 171.992573] el0_svc_common.constprop.0+0x84/0x1e0 # [ 171.997374] do_el0_svc+0x2c/0x94 # [ 172.000697] el0_svc+0x20/0x30 # [ 172.003758] el0_sync_handler+0xb0/0xb4 # [ 172.007602] el0_sync+0x180/0x1c0 # [ 172.010922] irq event stamp: 0 # [ 172.013984] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 172.020268] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 # [ 172.028465] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 # [ 172.036660] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 172.042938] ---[ end trace ce6c5c8a996b341f ]--- # [ 172.047733] 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 [ 172.519724] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW [ 172.526611] lkdtm: attempting bad refcount_inc_not_zero() overflow [ 172.532871] ------------[ cut here ]------------ [ 172.537555] refcount_t: saturated; leaking memory. [ 172.542552] WARNING: CPU: 3 PID: 2302 at lib/refcount.c:19 refcount_warn_saturate+0xc8/0x144 [ 172.551013] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 172.560516] CPU: 3 PID: 2302 Comm: cat Tainted: G D W 5.10.161-cip22 #1 [ 172.568278] Hardware name: ARM Juno development board (r0) (DT) [ 172.574217] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 172.580243] pc : refcount_warn_saturate+0xc8/0x144 [ 172.585049] lr : refcount_warn_saturate+0xc8/0x144 [ 172.589852] sp : ffff800016213cb0 [ 172.593176] x29: ffff800016213cb0 x28: ffff000802a4b100 [ 172.598517] x27: 0000000000000000 x26: 0000000000000000 [ 172.603858] x25: ffff8000114f1970 x24: ffff800016213e20 [ 172.609198] x23: 000000000000001f x22: ffff000803192000 [ 172.614539] x21: 0000000000000001 x20: 000000007fffffff [ 172.619879] x19: ffff800016213d04 x18: 0000000000000000 [ 172.625219] x17: 0000000000000000 x16: 0000000000000000 [ 172.630559] x15: 0000000000000030 x14: ffffffffffffffff [ 172.635900] x13: ffff800096213957 x12: ffff80001621395f [ 172.641241] x11: 0000000000000030 x10: 0000000000001440 [ 172.646580] x9 : ffff80001012dd74 x8 : ffff000802a4c5a0 [ 172.651921] x7 : 0000000000000000 x6 : ffff800012551000 [ 172.657261] x5 : ffff800012551c88 x4 : ffff00097ef6ec50 [ 172.662601] x3 : 0000000000000000 x2 : 0000000000000000 [ 172.667941] x1 : 0000000000000000 x0 : ffff000802a4b100 [ 172.673282] Call trace: [ 172.675740] refcount_warn_saturate+0xc8/0x144 [ 172.680201] __refcount_add_not_zero.constprop.0+0x84/0xa0 [ 172.685704] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x48/0x8c [ 172.691295] lkdtm_do_action+0x24/0x40 [ 172.695057] direct_entry+0xd0/0x140 [ 172.698646] full_proxy_write+0x68/0xbc [ 172.702497] vfs_write+0xec/0x20c [ 172.705824] ksys_write+0x70/0x100 [ 172.709238] __arm64_sys_write+0x24/0x30 [ 172.713178] el0_svc_common.constprop.0+0x84/0x1e0 [ 172.717986] do_el0_svc+0x2c/0x94 [ 172.721315] el0_svc+0x20/0x30 [ 172.724380] el0_sync_handler+0xb0/0xb4 [ 172.728229] el0_sync+0x180/0x1c0 [ 172.731554] irq event stamp: 0 [ 172.734623] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 172.740913] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 [ 172.749116] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 [ 172.757317] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 172.763600] ---[ end trace ce6c5c8a996b3420 ]--- [ 172.768453] lkdtm: Overflow detected: saturated # [ 172.519724] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 172.526611] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 172.532871] ------------[ cut here ]------------ # [ 172.537555] refcount_t: saturated; leaking memory. # [ 172.542552] WARNING: CPU: 3 PID: 2302 at lib/refcount.c:19 refcount_warn_saturate+0xc8/0x144 # [ 172.551013] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 172.560516] CPU: 3 PID: 2302 Comm: cat Tainted: G D W 5.10.161-cip22 #1 # [ 172.568278] Hardware name: ARM Juno development board (r0) (DT) # [ 172.574217] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 172.580243] pc : refcount_warn_saturate+0xc8/0x144 # [ 172.585049] lr : refcount_warn_saturate+0xc8/0x144 # [ 172.589852] sp : ffff800016213cb0 # [ 172.593176] x29: ffff800016213cb0 x28: ffff000802a4b100 # [ 172.598517] x27: 0000000000000000 x26: 0000000000000000 # [ 172.603858] x25: ffff8000114f1970 x24: ffff800016213e20 # [ 172.609198] x23: 000000000000001f x22: ffff000803192000 # [ 172.614539] x21: 0000000000000001 x20: 000000007fffffff # [ 172.619879] x19: ffff800016213d04 x18: 0000000000000000 # [ 172.625219] x17: 0000000000000000 x16: 0000000000000000 # [ 172.630559] x15: 0000000000000030 x14: ffffffffffffffff # [ 172.635900] x13: ffff800096213957 x12: ffff80001621395f # [ 172.641241] x11: 0000000000000030 x10: 0000000000001440 # [ 172.646580] x9 : ffff80001012dd74 x8 : ffff000802a4c5a0 # [ 172.651921] x7 : 0000000000000000 x6 : ffff800012551000 # [ 172.657261] x5 : ffff800012551c88 x4 : ffff00097ef6ec50 # [ 172.662601] x3 : 0000000000000000 x2 : 0000000000000000 # [ 172.667941] x1 : 0000000000000000 x0 : ffff000802a4b100 # [ 172.673282] Call trace: # [ 172.675740] refcount_warn_saturate+0xc8/0x144 # [ 172.680201] __refcount_add_not_zero.constprop.0+0x84/0xa0 # [ 172.685704] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x48/0x8c # [ 172.691295] lkdtm_do_action+0x24/0x40 # [ 172.695057] direct_entry+0xd0/0x140 # [ 172.698646] full_proxy_write+0x68/0xbc # [ 172.702497] vfs_write+0xec/0x20c # [ 172.705824] ksys_write+0x70/0x100 # [ 172.709238] __arm64_sys_write+0x24/0x30 # [ 172.713178] el0_svc_common.constprop.0+0x84/0x1e0 # [ 172.717986] do_el0_svc+0x2c/0x94 # [ 172.721315] el0_svc+0x20/0x30 # [ 172.724380] el0_sync_handler+0xb0/0xb4 # [ 172.728229] el0_sync+0x180/0x1c0 # [ 172.731554] irq event stamp: 0 # [ 172.734623] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 172.740913] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 # [ 172.749116] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 # [ 172.757317] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 172.763600] ---[ end trace ce6c5c8a996b3420 ]--- # [ 172.768453] 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 [ 173.212510] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW [ 173.219376] lkdtm: attempting bad refcount_add_not_zero() overflow [ 173.225700] ------------[ cut here ]------------ [ 173.230411] refcount_t: saturated; leaking memory. [ 173.235597] WARNING: CPU: 3 PID: 2334 at lib/refcount.c:19 refcount_warn_saturate+0xc8/0x144 [ 173.244060] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 173.253564] CPU: 3 PID: 2334 Comm: cat Tainted: G D W 5.10.161-cip22 #1 [ 173.261327] Hardware name: ARM Juno development board (r0) (DT) [ 173.267266] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 173.273291] pc : refcount_warn_saturate+0xc8/0x144 [ 173.278097] lr : refcount_warn_saturate+0xc8/0x144 [ 173.282900] sp : ffff80001629bcb0 [ 173.286224] x29: ffff80001629bcb0 x28: ffff000804266200 [ 173.291565] x27: 0000000000000000 x26: 0000000000000000 [ 173.296906] x25: ffff8000114f1970 x24: ffff80001629be20 [ 173.302247] x23: 000000000000001f x22: ffff000802855000 [ 173.307587] x21: 0000000000000006 x20: 000000007fffffff [ 173.312928] x19: ffff80001629bd04 x18: 0000000000000000 [ 173.318268] x17: 0000000000000000 x16: 0000000000000000 [ 173.323609] x15: 0000000000000030 x14: ffffffffffffffff [ 173.328949] x13: ffff80009629b957 x12: ffff80001629b95f [ 173.334290] x11: 0000000000000030 x10: ffff8000125d82d0 [ 173.339631] x9 : ffff80001012dd74 x8 : ffff8000125802d0 [ 173.344971] x7 : ffff8000125d82d0 x6 : ffff800012551000 [ 173.350311] x5 : ffff800012551c88 x4 : ffff00097ef6ec50 [ 173.355651] x3 : 0000000000000000 x2 : 0000000000000000 [ 173.360992] x1 : 0000000000000000 x0 : ffff000804266200 [ 173.366332] Call trace: [ 173.368790] refcount_warn_saturate+0xc8/0x144 [ 173.373252] __refcount_add_not_zero.constprop.0+0x84/0xa0 [ 173.378755] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x48/0x8c [ 173.384346] lkdtm_do_action+0x24/0x40 [ 173.388108] direct_entry+0xd0/0x140 [ 173.391697] full_proxy_write+0x68/0xbc [ 173.395547] vfs_write+0xec/0x20c [ 173.398874] ksys_write+0x70/0x100 [ 173.402288] __arm64_sys_write+0x24/0x30 [ 173.406227] el0_svc_common.constprop.0+0x84/0x1e0 [ 173.411035] do_el0_svc+0x2c/0x94 [ 173.414367] el0_svc+0x20/0x30 [ 173.417432] el0_sync_handler+0xb0/0xb4 [ 173.421281] el0_sync+0x180/0x1c0 [ 173.424606] irq event stamp: 0 [ 173.427675] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 173.433966] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 [ 173.442169] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 [ 173.450371] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 173.456654] ---[ end trace ce6c5c8a996b3421 ]--- [ 173.461566] lkdtm: Overflow detected: saturated # [ 173.212510] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 173.219376] lkdtm: attempting bad refcount_add_not_zero() overflow # [ 173.225700] ------------[ cut here ]------------ # [ 173.230411] refcount_t: saturated; leaking memory. # [ 173.235597] WARNING: CPU: 3 PID: 2334 at lib/refcount.c:19 refcount_warn_saturate+0xc8/0x144 # [ 173.244060] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 173.253564] CPU: 3 PID: 2334 Comm: cat Tainted: G D W 5.10.161-cip22 #1 # [ 173.261327] Hardware name: ARM Juno development board (r0) (DT) # [ 173.267266] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 173.273291] pc : refcount_warn_saturate+0xc8/0x144 # [ 173.278097] lr : refcount_warn_saturate+0xc8/0x144 # [ 173.282900] sp : ffff80001629bcb0 # [ 173.286224] x29: ffff80001629bcb0 x28: ffff000804266200 # [ 173.291565] x27: 0000000000000000 x26: 0000000000000000 # [ 173.296906] x25: ffff8000114f1970 x24: ffff80001629be20 # [ 173.302247] x23: 000000000000001f x22: ffff000802855000 # [ 173.307587] x21: 0000000000000006 x20: 000000007fffffff # [ 173.312928] x19: ffff80001629bd04 x18: 0000000000000000 # [ 173.318268] x17: 0000000000000000 x16: 0000000000000000 # [ 173.323609] x15: 0000000000000030 x14: ffffffffffffffff # [ 173.328949] x13: ffff80009629b957 x12: ffff80001629b95f # [ 173.334290] x11: 0000000000000030 x10: ffff8000125d82d0 # [ 173.339631] x9 : ffff80001012dd74 x8 : ffff8000125802d0 # [ 173.344971] x7 : ffff8000125d82d0 x6 : ffff800012551000 # [ 173.350311] x5 : ffff800012551c88 x4 : ffff00097ef6ec50 # [ 173.355651] x3 : 0000000000000000 x2 : 0000000000000000 # [ 173.360992] x1 : 0000000000000000 x0 : ffff000804266200 # [ 173.366332] Call trace: # [ 173.368790] refcount_warn_saturate+0xc8/0x144 # [ 173.373252] __refcount_add_not_zero.constprop.0+0x84/0xa0 # [ 173.378755] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x48/0x8c # [ 173.384346] lkdtm_do_action+0x24/0x40 # [ 173.388108] direct_entry+0xd0/0x140 # [ 173.391697] full_proxy_write+0x68/0xbc # [ 173.395547] vfs_write+0xec/0x20c # [ 173.398874] ksys_write+0x70/0x100 # [ 173.402288] __arm64_sys_write+0x24/0x30 # [ 173.406227] el0_svc_common.constprop.0+0x84/0x1e0 # [ 173.411035] do_el0_svc+0x2c/0x94 # [ 173.414367] el0_svc+0x20/0x30 # [ 173.417432] el0_sync_handler+0xb0/0xb4 # [ 173.421281] el0_sync+0x180/0x1c0 # [ 173.424606] irq event stamp: 0 # [ 173.427675] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 173.433966] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 # [ 173.442169] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 # [ 173.450371] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 173.456654] ---[ end trace ce6c5c8a996b3421 ]--- # [ 173.461566] 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 [ 173.908866] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO [ 173.914599] lkdtm: attempting good refcount_dec() [ 173.919382] lkdtm: attempting bad refcount_dec() to zero [ 173.924764] ------------[ cut here ]------------ [ 173.929516] refcount_t: decrement hit 0; leaking memory. [ 173.934990] WARNING: CPU: 3 PID: 2366 at lib/refcount.c:31 refcount_warn_saturate+0x13c/0x144 [ 173.943538] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 173.953042] CPU: 3 PID: 2366 Comm: cat Tainted: G D W 5.10.161-cip22 #1 [ 173.960804] Hardware name: ARM Juno development board (r0) (DT) [ 173.966744] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 173.972770] pc : refcount_warn_saturate+0x13c/0x144 [ 173.977663] lr : refcount_warn_saturate+0x13c/0x144 [ 173.982553] sp : ffff80001632bcc0 [ 173.985877] x29: ffff80001632bcc0 x28: ffff000802a48000 [ 173.991218] x27: 0000000000000000 x26: 0000000000000000 [ 173.996559] x25: ffff8000114f1970 x24: ffff80001632be20 [ 174.001900] x23: 0000000000000012 x22: ffff000803c97000 [ 174.007240] x21: ffff800011a03e98 x20: ffff8000114f1c60 [ 174.012581] x19: ffff80001632bd04 x18: 0000000000000000 [ 174.017921] x17: 0000000000000000 x16: 0000000000000000 [ 174.023261] x15: 0000000000000030 x14: ffffffffffffffff [ 174.028601] x13: ffff80009632b967 x12: ffff80001632b96f [ 174.033942] x11: 0000000000000008 x10: ffff8000125d82d0 [ 174.039282] x9 : ffff80001012dd74 x8 : ffff8000125802d0 [ 174.044622] x7 : ffff8000125d82d0 x6 : ffff800012551000 [ 174.049963] x5 : ffff800012551c88 x4 : ffff00097ef6ec50 [ 174.055303] x3 : 0000000000000000 x2 : 0000000000000000 [ 174.060643] x1 : 0000000000000000 x0 : ffff000802a48000 [ 174.065983] Call trace: [ 174.068441] refcount_warn_saturate+0x13c/0x144 [ 174.072990] __refcount_dec.constprop.0+0x4c/0x5c [ 174.077710] lkdtm_REFCOUNT_DEC_ZERO+0x54/0xe0 [ 174.082169] lkdtm_do_action+0x24/0x40 [ 174.085931] direct_entry+0xd0/0x140 [ 174.089519] full_proxy_write+0x68/0xbc [ 174.093370] vfs_write+0xec/0x20c [ 174.096697] ksys_write+0x70/0x100 [ 174.100111] __arm64_sys_write+0x24/0x30 [ 174.104050] el0_svc_common.constprop.0+0x84/0x1e0 [ 174.108858] do_el0_svc+0x2c/0x94 [ 174.112187] el0_svc+0x20/0x30 [ 174.115252] el0_sync_handler+0xb0/0xb4 [ 174.119101] el0_sync+0x180/0x1c0 [ 174.122426] irq event stamp: 0 [ 174.125494] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 174.131786] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 [ 174.139989] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 [ 174.148190] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 174.154473] ---[ end trace ce6c5c8a996b3422 ]--- [ 174.159370] lkdtm: Zero detected: saturated # [ 173.908866] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO # [ 173.914599] lkdtm: attempting good refcount_dec() # [ 173.919382] lkdtm: attempting bad refcount_dec() to zero # [ 173.924764] ------------[ cut here ]------------ # [ 173.929516] refcount_t: decrement hit 0; leaking memory. # [ 173.934990] WARNING: CPU: 3 PID: 2366 at lib/refcount.c:31 refcount_warn_saturate+0x13c/0x144 # [ 173.943538] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 173.953042] CPU: 3 PID: 2366 Comm: cat Tainted: G D W 5.10.161-cip22 #1 # [ 173.960804] Hardware name: ARM Juno development board (r0) (DT) # [ 173.966744] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 173.972770] pc : refcount_warn_saturate+0x13c/0x144 # [ 173.977663] lr : refcount_warn_saturate+0x13c/0x144 # [ 173.982553] sp : ffff80001632bcc0 # [ 173.985877] x29: ffff80001632bcc0 x28: ffff000802a48000 # [ 173.991218] x27: 0000000000000000 x26: 0000000000000000 # [ 173.996559] x25: ffff8000114f1970 x24: ffff80001632be20 # [ 174.001900] x23: 0000000000000012 x22: ffff000803c97000 # [ 174.007240] x21: ffff800011a03e98 x20: ffff8000114f1c60 # [ 174.012581] x19: ffff80001632bd04 x18: 0000000000000000 # [ 174.017921] x17: 0000000000000000 x16: 0000000000000000 # [ 174.023261] x15: 0000000000000030 x14: ffffffffffffffff # [ 174.028601] x13: ffff80009632b967 x12: ffff80001632b96f # [ 174.033942] x11: 0000000000000008 x10: ffff8000125d82d0 # [ 174.039282] x9 : ffff80001012dd74 x8 : ffff8000125802d0 # [ 174.044622] x7 : ffff8000125d82d0 x6 : ffff800012551000 # [ 174.049963] x5 : ffff800012551c88 x4 : ffff00097ef6ec50 # [ 174.055303] x3 : 0000000000000000 x2 : 0000000000000000 # [ 174.060643] x1 : 0000000000000000 x0 : ffff000802a48000 # [ 174.065983] Call trace: # [ 174.068441] refcount_warn_saturate+0x13c/0x144 # [ 174.072990] __refcount_dec.constprop.0+0x4c/0x5c # [ 174.077710] lkdtm_REFCOUNT_DEC_ZERO+0x54/0xe0 # [ 174.082169] lkdtm_do_action+0x24/0x40 # [ 174.085931] direct_entry+0xd0/0x140 # [ 174.089519] full_proxy_write+0x68/0xbc # [ 174.093370] vfs_write+0xec/0x20c # [ 174.096697] ksys_write+0x70/0x100 # [ 174.100111] __arm64_sys_write+0x24/0x30 # [ 174.104050] el0_svc_common.constprop.0+0x84/0x1e0 # [ 174.108858] do_el0_svc+0x2c/0x94 # [ 174.112187] el0_svc+0x20/0x30 # [ 174.115252] el0_sync_handler+0xb0/0xb4 # [ 174.119101] el0_sync+0x180/0x1c0 # [ 174.122426] irq event stamp: 0 # [ 174.125494] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 174.131786] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 # [ 174.139989] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 # [ 174.148190] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 174.154473] ---[ end trace ce6c5c8a996b3422 ]--- # [ 174.159370] 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 [ 174.621845] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE [ 174.627937] lkdtm: attempting bad refcount_dec() below zero [ 174.633593] ------------[ cut here ]------------ [ 174.638278] refcount_t: decrement hit 0; leaking memory. [ 174.643730] WARNING: CPU: 0 PID: 2401 at lib/refcount.c:31 refcount_warn_saturate+0x13c/0x144 [ 174.652279] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 174.661782] CPU: 0 PID: 2401 Comm: cat Tainted: G D W 5.10.161-cip22 #1 [ 174.669544] Hardware name: ARM Juno development board (r0) (DT) [ 174.675484] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 174.681508] pc : refcount_warn_saturate+0x13c/0x144 [ 174.686401] lr : refcount_warn_saturate+0x13c/0x144 [ 174.691292] sp : ffff8000163d3cc0 [ 174.694616] x29: ffff8000163d3cc0 x28: ffff000804263100 [ 174.699957] x27: 0000000000000000 x26: 0000000000000000 [ 174.705297] x25: ffff8000114f1970 x24: ffff8000163d3e20 [ 174.710638] x23: 0000000000000016 x22: ffff00080848b000 [ 174.715978] x21: ffff800011a03eb0 x20: ffff8000114f1c70 [ 174.721319] x19: ffff8000163d3d04 x18: 0000000000000000 [ 174.726658] x17: 0000000000000000 x16: 0000000000000000 [ 174.731999] x15: 0000000000000030 x14: ffffffffffffffff [ 174.737339] x13: ffff8000963d3967 x12: ffff8000163d396f [ 174.742679] x11: 0000000000000028 x10: ffff8000125d82d0 [ 174.748020] x9 : ffff80001012dd74 x8 : ffff8000125802d0 [ 174.753360] x7 : ffff8000125d82d0 x6 : ffff800012551000 [ 174.758701] x5 : ffff800012551c88 x4 : ffff00097ef08c50 [ 174.764041] x3 : 0000000000000000 x2 : 0000000000000000 [ 174.769381] x1 : 0000000000000000 x0 : ffff000804263100 [ 174.774722] Call trace: [ 174.777179] refcount_warn_saturate+0x13c/0x144 [ 174.781729] __refcount_dec.constprop.0+0x4c/0x5c [ 174.786449] lkdtm_REFCOUNT_DEC_NEGATIVE+0x3c/0x70 [ 174.791256] lkdtm_do_action+0x24/0x40 [ 174.795018] direct_entry+0xd0/0x140 [ 174.798606] full_proxy_write+0x68/0xbc [ 174.802456] vfs_write+0xec/0x20c [ 174.805783] ksys_write+0x70/0x100 [ 174.809197] __arm64_sys_write+0x24/0x30 [ 174.813137] el0_svc_common.constprop.0+0x84/0x1e0 [ 174.817944] do_el0_svc+0x2c/0x94 [ 174.821276] el0_svc+0x20/0x30 [ 174.824341] el0_sync_handler+0xb0/0xb4 [ 174.828190] el0_sync+0x180/0x1c0 [ 174.831515] irq event stamp: 0 [ 174.834584] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 174.840874] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 [ 174.849077] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 [ 174.857278] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 174.863561] ---[ end trace ce6c5c8a996b3423 ]--- [ 174.868641] lkdtm: Negative detected: saturated # [ 174.621845] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 174.627937] lkdtm: attempting bad refcount_dec() below zero # [ 174.633593] ------------[ cut here ]------------ # [ 174.638278] refcount_t: decrement hit 0; leaking memory. # [ 174.643730] WARNING: CPU: 0 PID: 2401 at lib/refcount.c:31 refcount_warn_saturate+0x13c/0x144 # [ 174.652279] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 174.661782] CPU: 0 PID: 2401 Comm: cat Tainted: G D W 5.10.161-cip22 #1 # [ 174.669544] Hardware name: ARM Juno development board (r0) (DT) # [ 174.675484] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 174.681508] pc : refcount_warn_saturate+0x13c/0x144 # [ 174.686401] lr : refcount_warn_saturate+0x13c/0x144 # [ 174.691292] sp : ffff8000163d3cc0 # [ 174.694616] x29: ffff8000163d3cc0 x28: ffff000804263100 # [ 174.699957] x27: 0000000000000000 x26: 0000000000000000 # [ 174.705297] x25: ffff8000114f1970 x24: ffff8000163d3e20 # [ 174.710638] x23: 0000000000000016 x22: ffff00080848b000 # [ 174.715978] x21: ffff800011a03eb0 x20: ffff8000114f1c70 # [ 174.721319] x19: ffff8000163d3d04 x18: 0000000000000000 # [ 174.726658] x17: 0000000000000000 x16: 0000000000000000 # [ 174.731999] x15: 0000000000000030 x14: ffffffffffffffff # [ 174.737339] x13: ffff8000963d3967 x12: ffff8000163d396f # [ 174.742679] x11: 0000000000000028 x10: ffff8000125d82d0 # [ 174.748020] x9 : ffff80001012dd74 x8 : ffff8000125802d0 # [ 174.753360] x7 : ffff8000125d82d0 x6 : ffff800012551000 # [ 174.758701] x5 : ffff800012551c88 x4 : ffff00097ef08c50 # [ 174.764041] x3 : 0000000000000000 x2 : 0000000000000000 # [ 174.769381] x1 : 0000000000000000 x0 : ffff000804263100 # [ 174.774722] Call trace: # [ 174.777179] refcount_warn_saturate+0x13c/0x144 # [ 174.781729] __refcount_dec.constprop.0+0x4c/0x5c # [ 174.786449] lkdtm_REFCOUNT_DEC_NEGATIVE+0x3c/0x70 # [ 174.791256] lkdtm_do_action+0x24/0x40 # [ 174.795018] direct_entry+0xd0/0x140 # [ 174.798606] full_proxy_write+0x68/0xbc # [ 174.802456] vfs_write+0xec/0x20c # [ 174.805783] ksys_write+0x70/0x100 # [ 174.809197] __arm64_sys_write+0x24/0x30 # [ 174.813137] el0_svc_common.constprop.0+0x84/0x1e0 # [ 174.817944] do_el0_svc+0x2c/0x94 # [ 174.821276] el0_svc+0x20/0x30 # [ 174.824341] el0_sync_handler+0xb0/0xb4 # [ 174.828190] el0_sync+0x180/0x1c0 # [ 174.831515] irq event stamp: 0 # [ 174.834584] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 174.840874] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 # [ 174.849077] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 # [ 174.857278] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 174.863561] ---[ end trace ce6c5c8a996b3423 ]--- # [ 174.868641] 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 [ 175.383803] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE [ 175.390697] lkdtm: attempting bad refcount_dec_and_test() below zero [ 175.397158] ------------[ cut here ]------------ [ 175.401845] refcount_t: underflow; use-after-free. [ 175.406840] WARNING: CPU: 4 PID: 2436 at lib/refcount.c:28 refcount_warn_saturate+0xf4/0x144 [ 175.415302] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 175.424805] CPU: 4 PID: 2436 Comm: cat Tainted: G D W 5.10.161-cip22 #1 [ 175.432568] Hardware name: ARM Juno development board (r0) (DT) [ 175.438507] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 175.444533] pc : refcount_warn_saturate+0xf4/0x144 [ 175.449339] lr : refcount_warn_saturate+0xf4/0x144 [ 175.454142] sp : ffff80001647bcd0 [ 175.457466] x29: ffff80001647bcd0 x28: ffff000807218000 [ 175.462807] x27: 0000000000000000 x26: 0000000000000000 [ 175.468148] x25: ffff8000114f1970 x24: ffff80001647be20 [ 175.473488] x23: 000000000000001f x22: ffff000806554000 [ 175.478829] x21: ffff800011a03ec8 x20: ffff8000114f1c80 [ 175.484169] x19: 0000000000000031 x18: 0000000000000000 [ 175.489510] x17: 0000000000000000 x16: 0000000000000000 [ 175.494850] x15: 0000000000000030 x14: ffffffffffffffff [ 175.500190] x13: ffff80009647b977 x12: ffff80001647b97f [ 175.505530] x11: 0000000000000030 x10: 0000000000001440 [ 175.510871] x9 : ffff80001012dd74 x8 : ffff0008072194a0 [ 175.516211] x7 : 0000000000000000 x6 : ffff800012551000 [ 175.521551] x5 : ffff800012551c88 x4 : ffff00097ef90c50 [ 175.526892] x3 : 0000000000000000 x2 : 0000000000000000 [ 175.532232] x1 : 0000000000000000 x0 : ffff000807218000 [ 175.537573] Call trace: [ 175.540031] refcount_warn_saturate+0xf4/0x144 [ 175.544493] __refcount_sub_and_test.constprop.0+0x64/0x7c [ 175.549999] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x44/0x8c [ 175.555588] lkdtm_do_action+0x24/0x40 [ 175.559350] direct_entry+0xd0/0x140 [ 175.562939] full_proxy_write+0x68/0xbc [ 175.566789] vfs_write+0xec/0x20c [ 175.570116] ksys_write+0x70/0x100 [ 175.573531] __arm64_sys_write+0x24/0x30 [ 175.577470] el0_svc_common.constprop.0+0x84/0x1e0 [ 175.582278] do_el0_svc+0x2c/0x94 [ 175.585608] el0_svc+0x20/0x30 [ 175.588673] el0_sync_handler+0xb0/0xb4 [ 175.592523] el0_sync+0x180/0x1c0 [ 175.595848] irq event stamp: 0 [ 175.598917] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 175.605208] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 [ 175.613412] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 [ 175.621612] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 175.627895] ---[ end trace ce6c5c8a996b3424 ]--- [ 175.632814] lkdtm: Negative detected: saturated # [ 175.383803] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 175.390697] lkdtm: attempting bad refcount_dec_and_test() below zero # [ 175.397158] ------------[ cut here ]------------ # [ 175.401845] refcount_t: underflow; use-after-free. # [ 175.406840] WARNING: CPU: 4 PID: 2436 at lib/refcount.c:28 refcount_warn_saturate+0xf4/0x144 # [ 175.415302] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 175.424805] CPU: 4 PID: 2436 Comm: cat Tainted: G D W 5.10.161-cip22 #1 # [ 175.432568] Hardware name: ARM Juno development board (r0) (DT) # [ 175.438507] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 175.444533] pc : refcount_warn_saturate+0xf4/0x144 # [ 175.449339] lr : refcount_warn_saturate+0xf4/0x144 # [ 175.454142] sp : ffff80001647bcd0 # [ 175.457466] x29: ffff80001647bcd0 x28: ffff000807218000 # [ 175.462807] x27: 0000000000000000 x26: 0000000000000000 # [ 175.468148] x25: ffff8000114f1970 x24: ffff80001647be20 # [ 175.473488] x23: 000000000000001f x22: ffff000806554000 # [ 175.478829] x21: ffff800011a03ec8 x20: ffff8000114f1c80 # [ 175.484169] x19: 0000000000000031 x18: 0000000000000000 # [ 175.489510] x17: 0000000000000000 x16: 0000000000000000 # [ 175.494850] x15: 0000000000000030 x14: ffffffffffffffff # [ 175.500190] x13: ffff80009647b977 x12: ffff80001647b97f # [ 175.505530] x11: 0000000000000030 x10: 0000000000001440 # [ 175.510871] x9 : ffff80001012dd74 x8 : ffff0008072194a0 # [ 175.516211] x7 : 0000000000000000 x6 : ffff800012551000 # [ 175.521551] x5 : ffff800012551c88 x4 : ffff00097ef90c50 # [ 175.526892] x3 : 0000000000000000 x2 : 0000000000000000 # [ 175.532232] x1 : 0000000000000000 x0 : ffff000807218000 # [ 175.537573] Call trace: # [ 175.540031] refcount_warn_saturate+0xf4/0x144 # [ 175.544493] __refcount_sub_and_test.constprop.0+0x64/0x7c # [ 175.549999] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x44/0x8c # [ 175.555588] lkdtm_do_action+0x24/0x40 # [ 175.559350] direct_entry+0xd0/0x140 # [ 175.562939] full_proxy_write+0x68/0xbc # [ 175.566789] vfs_write+0xec/0x20c # [ 175.570116] ksys_write+0x70/0x100 # [ 175.573531] __arm64_sys_write+0x24/0x30 # [ 175.577470] el0_svc_common.constprop.0+0x84/0x1e0 # [ 175.582278] do_el0_svc+0x2c/0x94 # [ 175.585608] el0_svc+0x20/0x30 # [ 175.588673] el0_sync_handler+0xb0/0xb4 # [ 175.592523] el0_sync+0x180/0x1c0 # [ 175.595848] irq event stamp: 0 # [ 175.598917] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 175.605208] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 # [ 175.613412] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 # [ 175.621612] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 175.627895] ---[ end trace ce6c5c8a996b3424 ]--- # [ 175.632814] 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 [ 176.111960] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE [ 176.118887] lkdtm: attempting bad refcount_sub_and_test() below zero [ 176.125319] ------------[ cut here ]------------ [ 176.130004] refcount_t: underflow; use-after-free. [ 176.135001] WARNING: CPU: 4 PID: 2471 at lib/refcount.c:28 refcount_warn_saturate+0xf4/0x144 [ 176.143464] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 176.152966] CPU: 4 PID: 2471 Comm: cat Tainted: G D W 5.10.161-cip22 #1 [ 176.160729] Hardware name: ARM Juno development board (r0) (DT) [ 176.166668] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 176.172694] pc : refcount_warn_saturate+0xf4/0x144 [ 176.177500] lr : refcount_warn_saturate+0xf4/0x144 [ 176.182304] sp : ffff80001651bcd0 [ 176.185628] x29: ffff80001651bcd0 x28: ffff000802a4c980 [ 176.190969] x27: 0000000000000000 x26: 0000000000000000 [ 176.196310] x25: ffff8000114f1970 x24: ffff80001651be20 [ 176.201650] x23: 000000000000001f x22: ffff000803c55000 [ 176.206991] x21: ffff800011a03ee8 x20: ffff8000114f1c90 [ 176.212332] x19: 0000000000000032 x18: 0000000000000000 [ 176.217672] x17: 0000000000000000 x16: 0000000000000000 [ 176.223012] x15: 0000000000000030 x14: ffffffffffffffff [ 176.228352] x13: ffff80009651b977 x12: ffff80001651b97f [ 176.233693] x11: 0000000000000030 x10: 0000000000001440 [ 176.239033] x9 : ffff80001012dd74 x8 : ffff000802a4de20 [ 176.244373] x7 : 0000000000000000 x6 : ffff800012551000 [ 176.249714] x5 : ffff800012551c88 x4 : ffff00097ef90c50 [ 176.255054] x3 : 0000000000000000 x2 : 0000000000000000 [ 176.260394] x1 : 0000000000000000 x0 : ffff000802a4c980 [ 176.265734] Call trace: [ 176.268192] refcount_warn_saturate+0xf4/0x144 [ 176.272655] __refcount_sub_and_test.constprop.0+0x64/0x7c [ 176.278160] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x48/0x90 [ 176.283749] lkdtm_do_action+0x24/0x40 [ 176.287511] direct_entry+0xd0/0x140 [ 176.291100] full_proxy_write+0x68/0xbc [ 176.294950] vfs_write+0xec/0x20c [ 176.298277] ksys_write+0x70/0x100 [ 176.301691] __arm64_sys_write+0x24/0x30 [ 176.305631] el0_svc_common.constprop.0+0x84/0x1e0 [ 176.310439] do_el0_svc+0x2c/0x94 [ 176.313768] el0_svc+0x20/0x30 [ 176.316834] el0_sync_handler+0xb0/0xb4 [ 176.320683] el0_sync+0x180/0x1c0 [ 176.324008] irq event stamp: 0 [ 176.327077] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 176.333368] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 [ 176.341571] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 [ 176.349772] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 176.356055] ---[ end trace ce6c5c8a996b3425 ]--- [ 176.360906] lkdtm: Negative detected: saturated # [ 176.111960] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 176.118887] lkdtm: attempting bad refcount_sub_and_test() below zero # [ 176.125319] ------------[ cut here ]------------ # [ 176.130004] refcount_t: underflow; use-after-free. # [ 176.135001] WARNING: CPU: 4 PID: 2471 at lib/refcount.c:28 refcount_warn_saturate+0xf4/0x144 # [ 176.143464] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 176.152966] CPU: 4 PID: 2471 Comm: cat Tainted: G D W 5.10.161-cip22 #1 # [ 176.160729] Hardware name: ARM Juno development board (r0) (DT) # [ 176.166668] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 176.172694] pc : refcount_warn_saturate+0xf4/0x144 # [ 176.177500] lr : refcount_warn_saturate+0xf4/0x144 # [ 176.182304] sp : ffff80001651bcd0 # [ 176.185628] x29: ffff80001651bcd0 x28: ffff000802a4c980 # [ 176.190969] x27: 0000000000000000 x26: 0000000000000000 # [ 176.196310] x25: ffff8000114f1970 x24: ffff80001651be20 # [ 176.201650] x23: 000000000000001f x22: ffff000803c55000 # [ 176.206991] x21: ffff800011a03ee8 x20: ffff8000114f1c90 # [ 176.212332] x19: 0000000000000032 x18: 0000000000000000 # [ 176.217672] x17: 0000000000000000 x16: 0000000000000000 # [ 176.223012] x15: 0000000000000030 x14: ffffffffffffffff # [ 176.228352] x13: ffff80009651b977 x12: ffff80001651b97f # [ 176.233693] x11: 0000000000000030 x10: 0000000000001440 # [ 176.239033] x9 : ffff80001012dd74 x8 : ffff000802a4de20 # [ 176.244373] x7 : 0000000000000000 x6 : ffff800012551000 # [ 176.249714] x5 : ffff800012551c88 x4 : ffff00097ef90c50 # [ 176.255054] x3 : 0000000000000000 x2 : 0000000000000000 # [ 176.260394] x1 : 0000000000000000 x0 : ffff000802a4c980 # [ 176.265734] Call trace: # [ 176.268192] refcount_warn_saturate+0xf4/0x144 # [ 176.272655] __refcount_sub_and_test.constprop.0+0x64/0x7c # [ 176.278160] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x48/0x90 # [ 176.283749] lkdtm_do_action+0x24/0x40 # [ 176.287511] direct_entry+0xd0/0x140 # [ 176.291100] full_proxy_write+0x68/0xbc # [ 176.294950] vfs_write+0xec/0x20c # [ 176.298277] ksys_write+0x70/0x100 # [ 176.301691] __arm64_sys_write+0x24/0x30 # [ 176.305631] el0_svc_common.constprop.0+0x84/0x1e0 # [ 176.310439] do_el0_svc+0x2c/0x94 # [ 176.313768] el0_svc+0x20/0x30 # [ 176.316834] el0_sync_handler+0xb0/0xb4 # [ 176.320683] el0_sync+0x180/0x1c0 # [ 176.324008] irq event stamp: 0 # [ 176.327077] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 176.333368] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 # [ 176.341571] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 # [ 176.349772] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 176.356055] ---[ end trace ce6c5c8a996b3425 ]--- # [ 176.360906] 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 [ 176.859054] lkdtm: Performing direct entry REFCOUNT_INC_ZERO [ 176.864894] lkdtm: attempting safe refcount_inc_not_zero() from zero [ 176.871391] lkdtm: Good: zero detected [ 176.875232] lkdtm: Correctly stayed at zero [ 176.879668] lkdtm: attempting bad refcount_inc() from zero [ 176.885307] ------------[ cut here ]------------ [ 176.889986] refcount_t: addition on 0; use-after-free. [ 176.895206] WARNING: CPU: 1 PID: 2503 at lib/refcount.c:25 refcount_warn_saturate+0xa0/0x144 [ 176.903661] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 176.913135] CPU: 1 PID: 2503 Comm: cat Tainted: G D W 5.10.161-cip22 #1 [ 176.920893] Hardware name: ARM Juno development board (r0) (DT) [ 176.926827] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 176.932846] pc : refcount_warn_saturate+0xa0/0x144 [ 176.937647] lr : refcount_warn_saturate+0xa0/0x144 [ 176.942445] sp : ffff800016593cd0 [ 176.945765] x29: ffff800016593cd0 x28: ffff000804266200 [ 176.951098] x27: 0000000000000000 x26: 0000000000000000 [ 176.956430] x25: ffff8000114f1970 x24: ffff800016593e20 [ 176.961761] x23: 0000000000000012 x22: ffff0008064b4000 [ 176.967093] x21: ffff800011a03f08 x20: ffff8000114f1ca0 [ 176.972423] x19: 0000000000000033 x18: 0000000000000000 [ 176.977754] x17: 0000000000000000 x16: 0000000000000000 [ 176.983085] x15: 0000000000000030 x14: ffffffffffffffff [ 176.988415] x13: ffff800096593977 x12: ffff80001659397f [ 176.993747] x11: 0000000000000e06 x10: ffff8000125d82d0 [ 176.999078] x9 : ffff80001012dd74 x8 : ffff8000125802d0 [ 177.004409] x7 : ffff8000125d82d0 x6 : ffff800012551000 [ 177.009740] x5 : ffff800012551c88 x4 : ffff00097ef2ac50 [ 177.015070] x3 : 0000000000000000 x2 : 0000000000000000 [ 177.020401] x1 : 0000000000000000 x0 : ffff000804266200 [ 177.025733] Call trace: [ 177.028185] refcount_warn_saturate+0xa0/0x144 [ 177.032641] __refcount_add.constprop.0+0x54/0x80 [ 177.037357] lkdtm_REFCOUNT_INC_ZERO+0xa4/0xd4 [ 177.041809] lkdtm_do_action+0x24/0x40 [ 177.045565] direct_entry+0xd0/0x140 [ 177.049148] full_proxy_write+0x68/0xbc [ 177.052994] vfs_write+0xec/0x20c [ 177.056315] ksys_write+0x70/0x100 [ 177.059723] __arm64_sys_write+0x24/0x30 [ 177.063656] el0_svc_common.constprop.0+0x84/0x1e0 [ 177.068458] do_el0_svc+0x2c/0x94 [ 177.071781] el0_svc+0x20/0x30 [ 177.074840] el0_sync_handler+0xb0/0xb4 [ 177.078683] el0_sync+0x180/0x1c0 [ 177.082003] irq event stamp: 0 [ 177.085065] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 177.091349] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 [ 177.099546] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 [ 177.107740] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 177.114018] ---[ end trace ce6c5c8a996b3426 ]--- [ 177.118752] lkdtm: Zero detected: saturated # [ 176.859054] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 176.864894] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 176.871391] lkdtm: Good: zero detected # [ 176.875232] lkdtm: Correctly stayed at zero # [ 176.879668] lkdtm: attempting bad refcount_inc() from zero # [ 176.885307] ------------[ cut here ]------------ # [ 176.889986] refcount_t: addition on 0; use-after-free. # [ 176.895206] WARNING: CPU: 1 PID: 2503 at lib/refcount.c:25 refcount_warn_saturate+0xa0/0x144 # [ 176.903661] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 176.913135] CPU: 1 PID: 2503 Comm: cat Tainted: G D W 5.10.161-cip22 #1 # [ 176.920893] Hardware name: ARM Juno development board (r0) (DT) # [ 176.926827] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 176.932846] pc : refcount_warn_saturate+0xa0/0x144 # [ 176.937647] lr : refcount_warn_saturate+0xa0/0x144 # [ 176.942445] sp : ffff800016593cd0 # [ 176.945765] x29: ffff800016593cd0 x28: ffff000804266200 # [ 176.951098] x27: 0000000000000000 x26: 0000000000000000 # [ 176.956430] x25: ffff8000114f1970 x24: ffff800016593e20 # [ 176.961761] x23: 0000000000000012 x22: ffff0008064b4000 # [ 176.967093] x21: ffff800011a03f08 x20: ffff8000114f1ca0 # [ 176.972423] x19: 0000000000000033 x18: 0000000000000000 # [ 176.977754] x17: 0000000000000000 x16: 0000000000000000 # [ 176.983085] x15: 0000000000000030 x14: ffffffffffffffff # [ 176.988415] x13: ffff800096593977 x12: ffff80001659397f # [ 176.993747] x11: 0000000000000e06 x10: ffff8000125d82d0 # [ 176.999078] x9 : ffff80001012dd74 x8 : ffff8000125802d0 # [ 177.004409] x7 : ffff8000125d82d0 x6 : ffff800012551000 # [ 177.009740] x5 : ffff800012551c88 x4 : ffff00097ef2ac50 # [ 177.015070] x3 : 0000000000000000 x2 : 0000000000000000 # [ 177.020401] x1 : 0000000000000000 x0 : ffff000804266200 # [ 177.025733] Call trace: # [ 177.028185] refcount_warn_saturate+0xa0/0x144 # [ 177.032641] __refcount_add.constprop.0+0x54/0x80 # [ 177.037357] lkdtm_REFCOUNT_INC_ZERO+0xa4/0xd4 # [ 177.041809] lkdtm_do_action+0x24/0x40 # [ 177.045565] direct_entry+0xd0/0x140 # [ 177.049148] full_proxy_write+0x68/0xbc # [ 177.052994] vfs_write+0xec/0x20c # [ 177.056315] ksys_write+0x70/0x100 # [ 177.059723] __arm64_sys_write+0x24/0x30 # [ 177.063656] el0_svc_common.constprop.0+0x84/0x1e0 # [ 177.068458] do_el0_svc+0x2c/0x94 # [ 177.071781] el0_svc+0x20/0x30 # [ 177.074840] el0_sync_handler+0xb0/0xb4 # [ 177.078683] el0_sync+0x180/0x1c0 # [ 177.082003] irq event stamp: 0 # [ 177.085065] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 177.091349] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 # [ 177.099546] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 # [ 177.107740] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 177.114018] ---[ end trace ce6c5c8a996b3426 ]--- # [ 177.118752] 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 [ 177.578092] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO [ 177.583826] lkdtm: attempting safe refcount_add_not_zero() from zero [ 177.590420] lkdtm: Good: zero detected [ 177.594262] lkdtm: Correctly stayed at zero [ 177.598693] lkdtm: attempting bad refcount_add() from zero [ 177.604248] ------------[ cut here ]------------ [ 177.608932] refcount_t: addition on 0; use-after-free. [ 177.614261] WARNING: CPU: 1 PID: 2535 at lib/refcount.c:25 refcount_warn_saturate+0xa0/0x144 [ 177.622720] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 177.632195] CPU: 1 PID: 2535 Comm: cat Tainted: G D W 5.10.161-cip22 #1 [ 177.639954] Hardware name: ARM Juno development board (r0) (DT) [ 177.645887] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 177.651907] pc : refcount_warn_saturate+0xa0/0x144 [ 177.656707] lr : refcount_warn_saturate+0xa0/0x144 [ 177.661506] sp : ffff80001662bcd0 [ 177.664825] x29: ffff80001662bcd0 x28: ffff00080721c980 [ 177.670158] x27: 0000000000000000 x26: 0000000000000000 [ 177.675490] x25: ffff8000114f1970 x24: ffff80001662be20 [ 177.680821] x23: 0000000000000012 x22: ffff000805746000 [ 177.686153] x21: ffff800011a03f20 x20: ffff8000114f1cb0 [ 177.691484] x19: 0000000000000034 x18: 0000000000000000 [ 177.696815] x17: 0000000000000000 x16: 0000000000000000 [ 177.702146] x15: 0000000000000000 x14: ffff00080028e200 [ 177.707477] x13: 0000000000000aa9 x12: 071c71c71c71c71c [ 177.712808] x11: 0000000000000aa9 x10: 0000000000001440 [ 177.718140] x9 : ffff80001012dd74 x8 : ffff00097efd97c0 [ 177.723471] x7 : ffff00080721c980 x6 : ffff800012551000 [ 177.728801] x5 : ffff800012551c88 x4 : ffff00097ef2ac50 [ 177.734132] x3 : 0000000000000000 x2 : 0000000000000000 [ 177.739463] x1 : 0000000000000000 x0 : ffff00080721c980 [ 177.744795] Call trace: [ 177.747247] refcount_warn_saturate+0xa0/0x144 [ 177.751703] __refcount_add.constprop.0+0x54/0x80 [ 177.756419] lkdtm_REFCOUNT_ADD_ZERO+0xa4/0xd4 [ 177.760872] lkdtm_do_action+0x24/0x40 [ 177.764627] direct_entry+0xd0/0x140 [ 177.768211] full_proxy_write+0x68/0xbc [ 177.772055] vfs_write+0xec/0x20c [ 177.775376] ksys_write+0x70/0x100 [ 177.778785] __arm64_sys_write+0x24/0x30 [ 177.782718] el0_svc_common.constprop.0+0x84/0x1e0 [ 177.787519] do_el0_svc+0x2c/0x94 [ 177.790842] el0_svc+0x20/0x30 [ 177.793902] el0_sync_handler+0xb0/0xb4 [ 177.797746] el0_sync+0x180/0x1c0 [ 177.801066] irq event stamp: 0 [ 177.804128] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 177.810412] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 [ 177.818609] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 [ 177.826802] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 177.833081] ---[ end trace ce6c5c8a996b3427 ]--- [ 177.837841] lkdtm: Zero detected: saturated # [ 177.578092] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 177.583826] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 177.590420] lkdtm: Good: zero detected # [ 177.594262] lkdtm: Correctly stayed at zero # [ 177.598693] lkdtm: attempting bad refcount_add() from zero # [ 177.604248] ------------[ cut here ]------------ # [ 177.608932] refcount_t: addition on 0; use-after-free. # [ 177.614261] WARNING: CPU: 1 PID: 2535 at lib/refcount.c:25 refcount_warn_saturate+0xa0/0x144 # [ 177.622720] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 177.632195] CPU: 1 PID: 2535 Comm: cat Tainted: G D W 5.10.161-cip22 #1 # [ 177.639954] Hardware name: ARM Juno development board (r0) (DT) # [ 177.645887] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 177.651907] pc : refcount_warn_saturate+0xa0/0x144 # [ 177.656707] lr : refcount_warn_saturate+0xa0/0x144 # [ 177.661506] sp : ffff80001662bcd0 # [ 177.664825] x29: ffff80001662bcd0 x28: ffff00080721c980 # [ 177.670158] x27: 0000000000000000 x26: 0000000000000000 # [ 177.675490] x25: ffff8000114f1970 x24: ffff80001662be20 # [ 177.680821] x23: 0000000000000012 x22: ffff000805746000 # [ 177.686153] x21: ffff800011a03f20 x20: ffff8000114f1cb0 # [ 177.691484] x19: 0000000000000034 x18: 0000000000000000 # [ 177.696815] x17: 0000000000000000 x16: 0000000000000000 # [ 177.702146] x15: 0000000000000000 x14: ffff00080028e200 # [ 177.707477] x13: 0000000000000aa9 x12: 071c71c71c71c71c # [ 177.712808] x11: 0000000000000aa9 x10: 0000000000001440 # [ 177.718140] x9 : ffff80001012dd74 x8 : ffff00097efd97c0 # [ 177.723471] x7 : ffff00080721c980 x6 : ffff800012551000 # [ 177.728801] x5 : ffff800012551c88 x4 : ffff00097ef2ac50 # [ 177.734132] x3 : 0000000000000000 x2 : 0000000000000000 # [ 177.739463] x1 : 0000000000000000 x0 : ffff00080721c980 # [ 177.744795] Call trace: # [ 177.747247] refcount_warn_saturate+0xa0/0x144 # [ 177.751703] __refcount_add.constprop.0+0x54/0x80 # [ 177.756419] lkdtm_REFCOUNT_ADD_ZERO+0xa4/0xd4 # [ 177.760872] lkdtm_do_action+0x24/0x40 # [ 177.764627] direct_entry+0xd0/0x140 # [ 177.768211] full_proxy_write+0x68/0xbc # [ 177.772055] vfs_write+0xec/0x20c # [ 177.775376] ksys_write+0x70/0x100 # [ 177.778785] __arm64_sys_write+0x24/0x30 # [ 177.782718] el0_svc_common.constprop.0+0x84/0x1e0 # [ 177.787519] do_el0_svc+0x2c/0x94 # [ 177.790842] el0_svc+0x20/0x30 # [ 177.793902] el0_sync_handler+0xb0/0xb4 # [ 177.797746] el0_sync+0x180/0x1c0 # [ 177.801066] irq event stamp: 0 # [ 177.804128] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 177.810412] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 # [ 177.818609] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 # [ 177.826802] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 177.833081] ---[ end trace ce6c5c8a996b3427 ]--- # [ 177.837841] 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 [ 178.325659] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED [ 178.331828] lkdtm: attempting bad refcount_inc() from saturated [ 178.337893] ------------[ cut here ]------------ [ 178.342613] refcount_t: saturated; leaking memory. [ 178.347568] WARNING: CPU: 3 PID: 2570 at lib/refcount.c:22 refcount_warn_saturate+0x74/0x144 [ 178.356030] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 178.365535] CPU: 3 PID: 2570 Comm: cat Tainted: G D W 5.10.161-cip22 #1 [ 178.373297] Hardware name: ARM Juno development board (r0) (DT) [ 178.379237] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 178.385263] pc : refcount_warn_saturate+0x74/0x144 [ 178.390069] lr : refcount_warn_saturate+0x74/0x144 [ 178.394872] sp : ffff8000166c3cd0 [ 178.398197] x29: ffff8000166c3cd0 x28: ffff0008008f6200 [ 178.403538] x27: 0000000000000000 x26: 0000000000000000 [ 178.408878] x25: ffff8000114f1970 x24: ffff8000166c3e20 [ 178.414219] x23: 0000000000000017 x22: ffff000803c65000 [ 178.419560] x21: ffff800011a03f38 x20: ffff8000114f1cc0 [ 178.424900] x19: 0000000000000035 x18: 0000000000000000 [ 178.430241] x17: 0000000000000000 x16: 0000000000000000 [ 178.435581] x15: 0000000000000030 x14: ffffffffffffffff [ 178.440921] x13: ffff8000966c3977 x12: ffff8000166c397f [ 178.446262] x11: 0000000000000030 x10: ffff8000125d82d0 [ 178.451602] x9 : ffff80001012dd74 x8 : ffff8000125802d0 [ 178.456942] x7 : ffff8000125d82d0 x6 : ffff800012551000 [ 178.462282] x5 : ffff800012551c88 x4 : ffff00097ef6ec50 [ 178.467622] x3 : 0000000000000000 x2 : 0000000000000000 [ 178.472962] x1 : 0000000000000000 x0 : ffff0008008f6200 [ 178.478303] Call trace: [ 178.480761] refcount_warn_saturate+0x74/0x144 [ 178.485222] __refcount_add.constprop.0+0x6c/0x80 [ 178.489944] lkdtm_REFCOUNT_INC_SATURATED+0x44/0x74 [ 178.494837] lkdtm_do_action+0x24/0x40 [ 178.498599] direct_entry+0xd0/0x140 [ 178.502188] full_proxy_write+0x68/0xbc [ 178.506039] vfs_write+0xec/0x20c [ 178.509366] ksys_write+0x70/0x100 [ 178.512780] __arm64_sys_write+0x24/0x30 [ 178.516719] el0_svc_common.constprop.0+0x84/0x1e0 [ 178.521527] do_el0_svc+0x2c/0x94 [ 178.524858] el0_svc+0x20/0x30 [ 178.527924] el0_sync_handler+0xb0/0xb4 [ 178.531773] el0_sync+0x180/0x1c0 [ 178.535098] irq event stamp: 0 [ 178.538167] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 178.544458] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 [ 178.552661] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 [ 178.560861] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 178.567144] ---[ end trace ce6c5c8a996b3428 ]--- [ 178.572025] lkdtm: Saturation detected: still saturated # [ 178.325659] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 178.331828] lkdtm: attempting bad refcount_inc() from saturated # [ 178.337893] ------------[ cut here ]------------ # [ 178.342613] refcount_t: saturated; leaking memory. # [ 178.347568] WARNING: CPU: 3 PID: 2570 at lib/refcount.c:22 refcount_warn_saturate+0x74/0x144 # [ 178.356030] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 178.365535] CPU: 3 PID: 2570 Comm: cat Tainted: G D W 5.10.161-cip22 #1 # [ 178.373297] Hardware name: ARM Juno development board (r0) (DT) # [ 178.379237] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 178.385263] pc : refcount_warn_saturate+0x74/0x144 # [ 178.390069] lr : refcount_warn_saturate+0x74/0x144 # [ 178.394872] sp : ffff8000166c3cd0 # [ 178.398197] x29: ffff8000166c3cd0 x28: ffff0008008f6200 # [ 178.403538] x27: 0000000000000000 x26: 0000000000000000 # [ 178.408878] x25: ffff8000114f1970 x24: ffff8000166c3e20 # [ 178.414219] x23: 0000000000000017 x22: ffff000803c65000 # [ 178.419560] x21: ffff800011a03f38 x20: ffff8000114f1cc0 # [ 178.424900] x19: 0000000000000035 x18: 0000000000000000 # [ 178.430241] x17: 0000000000000000 x16: 0000000000000000 # [ 178.435581] x15: 0000000000000030 x14: ffffffffffffffff # [ 178.440921] x13: ffff8000966c3977 x12: ffff8000166c397f # [ 178.446262] x11: 0000000000000030 x10: ffff8000125d82d0 # [ 178.451602] x9 : ffff80001012dd74 x8 : ffff8000125802d0 # [ 178.456942] x7 : ffff8000125d82d0 x6 : ffff800012551000 # [ 178.462282] x5 : ffff800012551c88 x4 : ffff00097ef6ec50 # [ 178.467622] x3 : 0000000000000000 x2 : 0000000000000000 # [ 178.472962] x1 : 0000000000000000 x0 : ffff0008008f6200 # [ 178.478303] Call trace: # [ 178.480761] refcount_warn_saturate+0x74/0x144 # [ 178.485222] __refcount_add.constprop.0+0x6c/0x80 # [ 178.489944] lkdtm_REFCOUNT_INC_SATURATED+0x44/0x74 # [ 178.494837] lkdtm_do_action+0x24/0x40 # [ 178.498599] direct_entry+0xd0/0x140 # [ 178.502188] full_proxy_write+0x68/0xbc # [ 178.506039] vfs_write+0xec/0x20c # [ 178.509366] ksys_write+0x70/0x100 # [ 178.512780] __arm64_sys_write+0x24/0x30 # [ 178.516719] el0_svc_common.constprop.0+0x84/0x1e0 # [ 178.521527] do_el0_svc+0x2c/0x94 # [ 178.524858] el0_svc+0x20/0x30 # [ 178.527924] el0_sync_handler+0xb0/0xb4 # [ 178.531773] el0_sync+0x180/0x1c0 # [ 178.535098] irq event stamp: 0 # [ 178.538167] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 178.544458] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 # [ 178.552661] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 # [ 178.560861] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 178.567144] ---[ end trace ce6c5c8a996b3428 ]--- # [ 178.572025] 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 [ 179.057083] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED [ 179.063265] lkdtm: attempting bad refcount_dec() from saturated [ 179.069264] ------------[ cut here ]------------ [ 179.073950] refcount_t: decrement hit 0; leaking memory. [ 179.079420] WARNING: CPU: 4 PID: 2605 at lib/refcount.c:31 refcount_warn_saturate+0x13c/0x144 [ 179.087969] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 179.097473] CPU: 4 PID: 2605 Comm: cat Tainted: G D W 5.10.161-cip22 #1 [ 179.105235] Hardware name: ARM Juno development board (r0) (DT) [ 179.111175] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 179.117200] pc : refcount_warn_saturate+0x13c/0x144 [ 179.122094] lr : refcount_warn_saturate+0x13c/0x144 [ 179.126985] sp : ffff80001675bcc0 [ 179.130309] x29: ffff80001675bcc0 x28: ffff000805771880 [ 179.135650] x27: 0000000000000000 x26: 0000000000000000 [ 179.140991] x25: ffff8000114f1970 x24: ffff80001675be20 [ 179.146332] x23: 0000000000000017 x22: ffff0008040e6000 [ 179.151672] x21: ffff800011a03f50 x20: ffff8000114f1cd0 [ 179.157013] x19: ffff80001675bd04 x18: 0000000000000001 [ 179.162354] x17: 0000000000000000 x16: 0000000000000000 [ 179.167694] x15: 0000000000000030 x14: ffffffffffffffff [ 179.173035] x13: ffff80009675b967 x12: ffff80001675b970 [ 179.178375] x11: 0000000000000030 x10: ffff8000125d82d0 [ 179.183715] x9 : ffff80001012dd74 x8 : ffff8000125802d0 [ 179.189056] x7 : ffff8000125d82d0 x6 : ffff800012551000 [ 179.194396] x5 : ffff800012551c88 x4 : ffff00097ef90c50 [ 179.199737] x3 : 0000000000000000 x2 : 0000000000000000 [ 179.205077] x1 : 0000000000000000 x0 : ffff000805771880 [ 179.210417] Call trace: [ 179.212875] refcount_warn_saturate+0x13c/0x144 [ 179.217424] __refcount_dec.constprop.0+0x4c/0x5c [ 179.222144] lkdtm_REFCOUNT_DEC_SATURATED+0x40/0x70 [ 179.227039] lkdtm_do_action+0x24/0x40 [ 179.230801] direct_entry+0xd0/0x140 [ 179.234390] full_proxy_write+0x68/0xbc [ 179.238240] vfs_write+0xec/0x20c [ 179.241567] ksys_write+0x70/0x100 [ 179.244981] __arm64_sys_write+0x24/0x30 [ 179.248921] el0_svc_common.constprop.0+0x84/0x1e0 [ 179.253729] do_el0_svc+0x2c/0x94 [ 179.257058] el0_svc+0x20/0x30 [ 179.260124] el0_sync_handler+0xb0/0xb4 [ 179.263974] el0_sync+0x180/0x1c0 [ 179.267298] irq event stamp: 0 [ 179.270368] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 179.276659] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 [ 179.284862] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 [ 179.293062] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 179.299346] ---[ end trace ce6c5c8a996b3429 ]--- [ 179.304164] lkdtm: Saturation detected: still saturated # [ 179.057083] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 179.063265] lkdtm: attempting bad refcount_dec() from saturated # [ 179.069264] ------------[ cut here ]------------ # [ 179.073950] refcount_t: decrement hit 0; leaking memory. # [ 179.079420] WARNING: CPU: 4 PID: 2605 at lib/refcount.c:31 refcount_warn_saturate+0x13c/0x144 # [ 179.087969] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 179.097473] CPU: 4 PID: 2605 Comm: cat Tainted: G D W 5.10.161-cip22 #1 # [ 179.105235] Hardware name: ARM Juno development board (r0) (DT) # [ 179.111175] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 179.117200] pc : refcount_warn_saturate+0x13c/0x144 # [ 179.122094] lr : refcount_warn_saturate+0x13c/0x144 # [ 179.126985] sp : ffff80001675bcc0 # [ 179.130309] x29: ffff80001675bcc0 x28: ffff000805771880 # [ 179.135650] x27: 0000000000000000 x26: 0000000000000000 # [ 179.140991] x25: ffff8000114f1970 x24: ffff80001675be20 # [ 179.146332] x23: 0000000000000017 x22: ffff0008040e6000 # [ 179.151672] x21: ffff800011a03f50 x20: ffff8000114f1cd0 # [ 179.157013] x19: ffff80001675bd04 x18: 0000000000000001 # [ 179.162354] x17: 0000000000000000 x16: 0000000000000000 # [ 179.167694] x15: 0000000000000030 x14: ffffffffffffffff # [ 179.173035] x13: ffff80009675b967 x12: ffff80001675b970 # [ 179.178375] x11: 0000000000000030 x10: ffff8000125d82d0 # [ 179.183715] x9 : ffff80001012dd74 x8 : ffff8000125802d0 # [ 179.189056] x7 : ffff8000125d82d0 x6 : ffff800012551000 # [ 179.194396] x5 : ffff800012551c88 x4 : ffff00097ef90c50 # [ 179.199737] x3 : 0000000000000000 x2 : 0000000000000000 # [ 179.205077] x1 : 0000000000000000 x0 : ffff000805771880 # [ 179.210417] Call trace: # [ 179.212875] refcount_warn_saturate+0x13c/0x144 # [ 179.217424] __refcount_dec.constprop.0+0x4c/0x5c # [ 179.222144] lkdtm_REFCOUNT_DEC_SATURATED+0x40/0x70 # [ 179.227039] lkdtm_do_action+0x24/0x40 # [ 179.230801] direct_entry+0xd0/0x140 # [ 179.234390] full_proxy_write+0x68/0xbc # [ 179.238240] vfs_write+0xec/0x20c # [ 179.241567] ksys_write+0x70/0x100 # [ 179.244981] __arm64_sys_write+0x24/0x30 # [ 179.248921] el0_svc_common.constprop.0+0x84/0x1e0 # [ 179.253729] do_el0_svc+0x2c/0x94 # [ 179.257058] el0_svc+0x20/0x30 # [ 179.260124] el0_sync_handler+0xb0/0xb4 # [ 179.263974] el0_sync+0x180/0x1c0 # [ 179.267298] irq event stamp: 0 # [ 179.270368] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 179.276659] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 # [ 179.284862] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 # [ 179.293062] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 179.299346] ---[ end trace ce6c5c8a996b3429 ]--- # [ 179.304164] 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 [ 179.794960] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED [ 179.801154] lkdtm: attempting bad refcount_dec() from saturated [ 179.807155] ------------[ cut here ]------------ [ 179.812005] refcount_t: saturated; leaking memory. [ 179.816899] WARNING: CPU: 2 PID: 2640 at lib/refcount.c:22 refcount_warn_saturate+0x74/0x144 [ 179.825354] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 179.834828] CPU: 2 PID: 2640 Comm: cat Tainted: G D W 5.10.161-cip22 #1 [ 179.842586] Hardware name: ARM Juno development board (r0) (DT) [ 179.848520] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 179.854539] pc : refcount_warn_saturate+0x74/0x144 [ 179.859339] lr : refcount_warn_saturate+0x74/0x144 [ 179.864138] sp : ffff8000167f3cd0 [ 179.867458] x29: ffff8000167f3cd0 x28: ffff000805cbb100 [ 179.872790] x27: 0000000000000000 x26: 0000000000000000 [ 179.878122] x25: ffff8000114f1970 x24: ffff8000167f3e20 [ 179.883453] x23: 0000000000000017 x22: ffff000807beb000 [ 179.888784] x21: ffff800011a03f68 x20: ffff8000114f1ce0 [ 179.894115] x19: 0000000000000037 x18: 0000000000000000 [ 179.899446] x17: 0000000000000000 x16: 0000000000000000 [ 179.904776] x15: 0000000000000030 x14: ffffffffffffffff [ 179.910107] x13: ffff8000967f3977 x12: ffff8000167f397f [ 179.915438] x11: 0000000000000000 x10: ffff8000125d82d0 [ 179.920770] x9 : ffff80001012dd74 x8 : ffff8000125802d0 [ 179.926101] x7 : ffff8000125d82d0 x6 : ffff800012551000 [ 179.931432] x5 : ffff800012551c88 x4 : ffff00097ef4cc50 [ 179.936762] x3 : 0000000000000000 x2 : 0000000000000000 [ 179.942093] x1 : 0000000000000000 x0 : ffff000805cbb100 [ 179.947423] Call trace: [ 179.949875] refcount_warn_saturate+0x74/0x144 [ 179.954331] __refcount_add.constprop.0+0x6c/0x80 [ 179.959047] lkdtm_REFCOUNT_ADD_SATURATED+0x44/0x74 [ 179.963935] lkdtm_do_action+0x24/0x40 [ 179.967690] direct_entry+0xd0/0x140 [ 179.971273] full_proxy_write+0x68/0xbc [ 179.975119] vfs_write+0xec/0x20c [ 179.978440] ksys_write+0x70/0x100 [ 179.981848] __arm64_sys_write+0x24/0x30 [ 179.985782] el0_svc_common.constprop.0+0x84/0x1e0 [ 179.990584] do_el0_svc+0x2c/0x94 [ 179.993907] el0_svc+0x20/0x30 [ 179.996967] el0_sync_handler+0xb0/0xb4 [ 180.000810] el0_sync+0x180/0x1c0 [ 180.004131] irq event stamp: 0 [ 180.007193] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 180.013477] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 [ 180.021674] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 [ 180.029868] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 180.036146] ---[ end trace ce6c5c8a996b342a ]--- [ 180.040869] lkdtm: Saturation detected: still saturated # [ 179.794960] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 179.801154] lkdtm: attempting bad refcount_dec() from saturated # [ 179.807155] ------------[ cut here ]------------ # [ 179.812005] refcount_t: saturated; leaking memory. # [ 179.816899] WARNING: CPU: 2 PID: 2640 at lib/refcount.c:22 refcount_warn_saturate+0x74/0x144 # [ 179.825354] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 179.834828] CPU: 2 PID: 2640 Comm: cat Tainted: G D W 5.10.161-cip22 #1 # [ 179.842586] Hardware name: ARM Juno development board (r0) (DT) # [ 179.848520] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 179.854539] pc : refcount_warn_saturate+0x74/0x144 # [ 179.859339] lr : refcount_warn_saturate+0x74/0x144 # [ 179.864138] sp : ffff8000167f3cd0 # [ 179.867458] x29: ffff8000167f3cd0 x28: ffff000805cbb100 # [ 179.872790] x27: 0000000000000000 x26: 0000000000000000 # [ 179.878122] x25: ffff8000114f1970 x24: ffff8000167f3e20 # [ 179.883453] x23: 0000000000000017 x22: ffff000807beb000 # [ 179.888784] x21: ffff800011a03f68 x20: ffff8000114f1ce0 # [ 179.894115] x19: 0000000000000037 x18: 0000000000000000 # [ 179.899446] x17: 0000000000000000 x16: 0000000000000000 # [ 179.904776] x15: 0000000000000030 x14: ffffffffffffffff # [ 179.910107] x13: ffff8000967f3977 x12: ffff8000167f397f # [ 179.915438] x11: 0000000000000000 x10: ffff8000125d82d0 # [ 179.920770] x9 : ffff80001012dd74 x8 : ffff8000125802d0 # [ 179.926101] x7 : ffff8000125d82d0 x6 : ffff800012551000 # [ 179.931432] x5 : ffff800012551c88 x4 : ffff00097ef4cc50 # [ 179.936762] x3 : 0000000000000000 x2 : 0000000000000000 # [ 179.942093] x1 : 0000000000000000 x0 : ffff000805cbb100 # [ 179.947423] Call trace: # [ 179.949875] refcount_warn_saturate+0x74/0x144 # [ 179.954331] __refcount_add.constprop.0+0x6c/0x80 # [ 179.959047] lkdtm_REFCOUNT_ADD_SATURATED+0x44/0x74 # [ 179.963935] lkdtm_do_action+0x24/0x40 # [ 179.967690] direct_entry+0xd0/0x140 # [ 179.971273] full_proxy_write+0x68/0xbc # [ 179.975119] vfs_write+0xec/0x20c # [ 179.978440] ksys_write+0x70/0x100 # [ 179.981848] __arm64_sys_write+0x24/0x30 # [ 179.985782] el0_svc_common.constprop.0+0x84/0x1e0 # [ 179.990584] do_el0_svc+0x2c/0x94 # [ 179.993907] el0_svc+0x20/0x30 # [ 179.996967] el0_sync_handler+0xb0/0xb4 # [ 180.000810] el0_sync+0x180/0x1c0 # [ 180.004131] irq event stamp: 0 # [ 180.007193] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 180.013477] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 # [ 180.021674] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 # [ 180.029868] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 180.036146] ---[ end trace ce6c5c8a996b342a ]--- # [ 180.040869] 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 [ 180.538743] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED [ 180.545716] lkdtm: attempting bad refcount_inc_not_zero() from saturated [ 180.552501] ------------[ cut here ]------------ [ 180.557191] refcount_t: saturated; leaking memory. [ 180.562184] WARNING: CPU: 5 PID: 2672 at lib/refcount.c:19 refcount_warn_saturate+0xc8/0x144 [ 180.570645] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 180.580147] CPU: 5 PID: 2672 Comm: cat Tainted: G D W 5.10.161-cip22 #1 [ 180.587910] Hardware name: ARM Juno development board (r0) (DT) [ 180.593849] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 180.599874] pc : refcount_warn_saturate+0xc8/0x144 [ 180.604679] lr : refcount_warn_saturate+0xc8/0x144 [ 180.609482] sp : ffff80001689bcb0 [ 180.612806] x29: ffff80001689bcb0 x28: ffff000805774980 [ 180.618147] x27: 0000000000000000 x26: 0000000000000000 [ 180.623488] x25: ffff8000114f1970 x24: ffff80001689be20 [ 180.628829] x23: 0000000000000020 x22: ffff000807bf0000 [ 180.634169] x21: 0000000000000001 x20: 00000000c0000000 [ 180.639509] x19: ffff80001689bd04 x18: 0000000000000000 [ 180.644849] x17: 0000000000000000 x16: 0000000000000000 [ 180.650189] x15: 0000000000000030 x14: ffffffffffffffff [ 180.655529] x13: ffff80009689b957 x12: ffff80001689b95f [ 180.660870] x11: 0000000000000038 x10: 0000000000001440 [ 180.666211] x9 : ffff80001012dd74 x8 : ffff000805775e20 [ 180.671551] x7 : 0000000000000000 x6 : ffff800012551000 [ 180.676891] x5 : ffff800012551c88 x4 : ffff00097efb2c50 [ 180.682231] x3 : 0000000000000000 x2 : 0000000000000000 [ 180.687571] x1 : 0000000000000000 x0 : ffff000805774980 [ 180.692912] Call trace: [ 180.695370] refcount_warn_saturate+0xc8/0x144 [ 180.699831] __refcount_add_not_zero.constprop.0+0x84/0xa0 [ 180.705335] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x48/0x8c [ 180.711013] lkdtm_do_action+0x24/0x40 [ 180.714775] direct_entry+0xd0/0x140 [ 180.718363] full_proxy_write+0x68/0xbc [ 180.722214] vfs_write+0xec/0x20c [ 180.725541] ksys_write+0x70/0x100 [ 180.728955] __arm64_sys_write+0x24/0x30 [ 180.732895] el0_svc_common.constprop.0+0x84/0x1e0 [ 180.737703] do_el0_svc+0x2c/0x94 [ 180.741032] el0_svc+0x20/0x30 [ 180.744097] el0_sync_handler+0xb0/0xb4 [ 180.747947] el0_sync+0x180/0x1c0 [ 180.751272] irq event stamp: 0 [ 180.754340] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 180.760630] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 [ 180.768834] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 [ 180.777035] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 180.783318] ---[ end trace ce6c5c8a996b342b ]--- [ 180.788166] lkdtm: Saturation detected: still saturated # [ 180.538743] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 180.545716] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 180.552501] ------------[ cut here ]------------ # [ 180.557191] refcount_t: saturated; leaking memory. # [ 180.562184] WARNING: CPU: 5 PID: 2672 at lib/refcount.c:19 refcount_warn_saturate+0xc8/0x144 # [ 180.570645] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 180.580147] CPU: 5 PID: 2672 Comm: cat Tainted: G D W 5.10.161-cip22 #1 # [ 180.587910] Hardware name: ARM Juno development board (r0) (DT) # [ 180.593849] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 180.599874] pc : refcount_warn_saturate+0xc8/0x144 # [ 180.604679] lr : refcount_warn_saturate+0xc8/0x144 # [ 180.609482] sp : ffff80001689bcb0 # [ 180.612806] x29: ffff80001689bcb0 x28: ffff000805774980 # [ 180.618147] x27: 0000000000000000 x26: 0000000000000000 # [ 180.623488] x25: ffff8000114f1970 x24: ffff80001689be20 # [ 180.628829] x23: 0000000000000020 x22: ffff000807bf0000 # [ 180.634169] x21: 0000000000000001 x20: 00000000c0000000 # [ 180.639509] x19: ffff80001689bd04 x18: 0000000000000000 # [ 180.644849] x17: 0000000000000000 x16: 0000000000000000 # [ 180.650189] x15: 0000000000000030 x14: ffffffffffffffff # [ 180.655529] x13: ffff80009689b957 x12: ffff80001689b95f # [ 180.660870] x11: 0000000000000038 x10: 0000000000001440 # [ 180.666211] x9 : ffff80001012dd74 x8 : ffff000805775e20 # [ 180.671551] x7 : 0000000000000000 x6 : ffff800012551000 # [ 180.676891] x5 : ffff800012551c88 x4 : ffff00097efb2c50 # [ 180.682231] x3 : 0000000000000000 x2 : 0000000000000000 # [ 180.687571] x1 : 0000000000000000 x0 : ffff000805774980 # [ 180.692912] Call trace: # [ 180.695370] refcount_warn_saturate+0xc8/0x144 # [ 180.699831] __refcount_add_not_zero.constprop.0+0x84/0xa0 # [ 180.705335] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x48/0x8c # [ 180.711013] lkdtm_do_action+0x24/0x40 # [ 180.714775] direct_entry+0xd0/0x140 # [ 180.718363] full_proxy_write+0x68/0xbc # [ 180.722214] vfs_write+0xec/0x20c # [ 180.725541] ksys_write+0x70/0x100 # [ 180.728955] __arm64_sys_write+0x24/0x30 # [ 180.732895] el0_svc_common.constprop.0+0x84/0x1e0 # [ 180.737703] do_el0_svc+0x2c/0x94 # [ 180.741032] el0_svc+0x20/0x30 # [ 180.744097] el0_sync_handler+0xb0/0xb4 # [ 180.747947] el0_sync+0x180/0x1c0 # [ 180.751272] irq event stamp: 0 # [ 180.754340] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 180.760630] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 # [ 180.768834] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 # [ 180.777035] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 180.783318] ---[ end trace ce6c5c8a996b342b ]--- # [ 180.788166] 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 [ 181.257329] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED [ 181.264303] lkdtm: attempting bad refcount_add_not_zero() from saturated [ 181.271087] ------------[ cut here ]------------ [ 181.275772] refcount_t: saturated; leaking memory. [ 181.280765] WARNING: CPU: 3 PID: 2704 at lib/refcount.c:19 refcount_warn_saturate+0xc8/0x144 [ 181.289227] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 181.298730] CPU: 3 PID: 2704 Comm: cat Tainted: G D W 5.10.161-cip22 #1 [ 181.306492] Hardware name: ARM Juno development board (r0) (DT) [ 181.312432] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 181.318457] pc : refcount_warn_saturate+0xc8/0x144 [ 181.323263] lr : refcount_warn_saturate+0xc8/0x144 [ 181.328067] sp : ffff800016923cb0 [ 181.331391] x29: ffff800016923cb0 x28: ffff0008084ce200 [ 181.336732] x27: 0000000000000000 x26: 0000000000000000 [ 181.342072] x25: ffff8000114f1970 x24: ffff800016923e20 [ 181.347413] x23: 0000000000000020 x22: ffff000800b70000 [ 181.352753] x21: 0000000000000007 x20: 00000000c0000000 [ 181.358094] x19: ffff800016923d04 x18: 0000000000000000 [ 181.363434] x17: 0000000000000000 x16: 0000000000000000 [ 181.368774] x15: 0000000000000030 x14: ffffffffffffffff [ 181.374114] x13: ffff800096923957 x12: ffff80001692395f [ 181.379455] x11: 0000000000000038 x10: 0000000000001440 [ 181.384795] x9 : ffff80001012dd74 x8 : ffff0008084cf6a0 [ 181.390135] x7 : 0000000000000000 x6 : ffff800012551000 [ 181.395476] x5 : ffff800012551c88 x4 : ffff00097ef6ec50 [ 181.400816] x3 : 0000000000000000 x2 : 0000000000000000 [ 181.406155] x1 : 0000000000000000 x0 : ffff0008084ce200 [ 181.411495] Call trace: [ 181.413954] refcount_warn_saturate+0xc8/0x144 [ 181.418416] __refcount_add_not_zero.constprop.0+0x84/0xa0 [ 181.423919] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x48/0x8c [ 181.429598] lkdtm_do_action+0x24/0x40 [ 181.433359] direct_entry+0xd0/0x140 [ 181.436948] full_proxy_write+0x68/0xbc [ 181.440799] vfs_write+0xec/0x20c [ 181.444125] ksys_write+0x70/0x100 [ 181.447540] __arm64_sys_write+0x24/0x30 [ 181.451479] el0_svc_common.constprop.0+0x84/0x1e0 [ 181.456288] do_el0_svc+0x2c/0x94 [ 181.459620] el0_svc+0x20/0x30 [ 181.462686] el0_sync_handler+0xb0/0xb4 [ 181.466535] el0_sync+0x180/0x1c0 [ 181.469860] irq event stamp: 0 [ 181.472929] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 181.479220] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 [ 181.487424] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 [ 181.495624] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 181.501907] ---[ end trace ce6c5c8a996b342c ]--- [ 181.506733] lkdtm: Saturation detected: still saturated # [ 181.257329] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 181.264303] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 181.271087] ------------[ cut here ]------------ # [ 181.275772] refcount_t: saturated; leaking memory. # [ 181.280765] WARNING: CPU: 3 PID: 2704 at lib/refcount.c:19 refcount_warn_saturate+0xc8/0x144 # [ 181.289227] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 181.298730] CPU: 3 PID: 2704 Comm: cat Tainted: G D W 5.10.161-cip22 #1 # [ 181.306492] Hardware name: ARM Juno development board (r0) (DT) # [ 181.312432] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 181.318457] pc : refcount_warn_saturate+0xc8/0x144 # [ 181.323263] lr : refcount_warn_saturate+0xc8/0x144 # [ 181.328067] sp : ffff800016923cb0 # [ 181.331391] x29: ffff800016923cb0 x28: ffff0008084ce200 # [ 181.336732] x27: 0000000000000000 x26: 0000000000000000 # [ 181.342072] x25: ffff8000114f1970 x24: ffff800016923e20 # [ 181.347413] x23: 0000000000000020 x22: ffff000800b70000 # [ 181.352753] x21: 0000000000000007 x20: 00000000c0000000 # [ 181.358094] x19: ffff800016923d04 x18: 0000000000000000 # [ 181.363434] x17: 0000000000000000 x16: 0000000000000000 # [ 181.368774] x15: 0000000000000030 x14: ffffffffffffffff # [ 181.374114] x13: ffff800096923957 x12: ffff80001692395f # [ 181.379455] x11: 0000000000000038 x10: 0000000000001440 # [ 181.384795] x9 : ffff80001012dd74 x8 : ffff0008084cf6a0 # [ 181.390135] x7 : 0000000000000000 x6 : ffff800012551000 # [ 181.395476] x5 : ffff800012551c88 x4 : ffff00097ef6ec50 # [ 181.400816] x3 : 0000000000000000 x2 : 0000000000000000 # [ 181.406155] x1 : 0000000000000000 x0 : ffff0008084ce200 # [ 181.411495] Call trace: # [ 181.413954] refcount_warn_saturate+0xc8/0x144 # [ 181.418416] __refcount_add_not_zero.constprop.0+0x84/0xa0 # [ 181.423919] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x48/0x8c # [ 181.429598] lkdtm_do_action+0x24/0x40 # [ 181.433359] direct_entry+0xd0/0x140 # [ 181.436948] full_proxy_write+0x68/0xbc # [ 181.440799] vfs_write+0xec/0x20c # [ 181.444125] ksys_write+0x70/0x100 # [ 181.447540] __arm64_sys_write+0x24/0x30 # [ 181.451479] el0_svc_common.constprop.0+0x84/0x1e0 # [ 181.456288] do_el0_svc+0x2c/0x94 # [ 181.459620] el0_svc+0x20/0x30 # [ 181.462686] el0_sync_handler+0xb0/0xb4 # [ 181.466535] el0_sync+0x180/0x1c0 # [ 181.469860] irq event stamp: 0 # [ 181.472929] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 181.479220] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 # [ 181.487424] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 # [ 181.495624] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 181.501907] ---[ end trace ce6c5c8a996b342c ]--- # [ 181.506733] 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 [ 182.049953] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED [ 182.057003] lkdtm: attempting bad refcount_dec_and_test() from saturated [ 182.063858] ------------[ cut here ]------------ [ 182.068572] refcount_t: underflow; use-after-free. [ 182.073693] WARNING: CPU: 0 PID: 2739 at lib/refcount.c:28 refcount_warn_saturate+0xf4/0x144 [ 182.082154] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 182.091657] CPU: 0 PID: 2739 Comm: cat Tainted: G D W 5.10.161-cip22 #1 [ 182.099420] Hardware name: ARM Juno development board (r0) (DT) [ 182.105360] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 182.111385] pc : refcount_warn_saturate+0xf4/0x144 [ 182.116191] lr : refcount_warn_saturate+0xf4/0x144 [ 182.120995] sp : ffff8000169b3cd0 [ 182.124319] x29: ffff8000169b3cd0 x28: ffff000806701880 [ 182.129660] x27: 0000000000000000 x26: 0000000000000000 [ 182.135001] x25: ffff8000114f1970 x24: ffff8000169b3e20 [ 182.140341] x23: 0000000000000020 x22: ffff0008050eb000 [ 182.145681] x21: ffff800011a03fc0 x20: ffff8000114f1d10 [ 182.151022] x19: 000000000000003a x18: 0000000000000001 [ 182.156362] x17: 0000000000000000 x16: 0000000000000000 [ 182.161702] x15: 0000000000000030 x14: ffffffffffffffff [ 182.167043] x13: ffff8000969b3977 x12: ffff8000169b3980 [ 182.172383] x11: 0000000000000038 x10: ffff8000125d82d0 [ 182.177724] x9 : ffff80001012dd74 x8 : ffff8000125802d0 [ 182.183064] x7 : ffff8000125d82d0 x6 : ffff800012551000 [ 182.188404] x5 : ffff800012551c88 x4 : ffff00097ef08c50 [ 182.193744] x3 : 0000000000000000 x2 : 0000000000000000 [ 182.199084] x1 : 0000000000000000 x0 : ffff000806701880 [ 182.204425] Call trace: [ 182.206883] refcount_warn_saturate+0xf4/0x144 [ 182.211344] __refcount_sub_and_test.constprop.0+0x64/0x7c [ 182.216850] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x48/0x8c [ 182.222526] lkdtm_do_action+0x24/0x40 [ 182.226288] direct_entry+0xd0/0x140 [ 182.229876] full_proxy_write+0x68/0xbc [ 182.233726] vfs_write+0xec/0x20c [ 182.237054] ksys_write+0x70/0x100 [ 182.240468] __arm64_sys_write+0x24/0x30 [ 182.244407] el0_svc_common.constprop.0+0x84/0x1e0 [ 182.249214] do_el0_svc+0x2c/0x94 [ 182.252543] el0_svc+0x20/0x30 [ 182.255609] el0_sync_handler+0xb0/0xb4 [ 182.259458] el0_sync+0x180/0x1c0 [ 182.262783] irq event stamp: 0 [ 182.265852] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 182.272142] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 [ 182.280346] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 [ 182.288546] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 182.294829] ---[ end trace ce6c5c8a996b342d ]--- [ 182.299895] lkdtm: Saturation detected: still saturated # [ 182.049953] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 182.057003] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 182.063858] ------------[ cut here ]------------ # [ 182.068572] refcount_t: underflow; use-after-free. # [ 182.073693] WARNING: CPU: 0 PID: 2739 at lib/refcount.c:28 refcount_warn_saturate+0xf4/0x144 # [ 182.082154] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 182.091657] CPU: 0 PID: 2739 Comm: cat Tainted: G D W 5.10.161-cip22 #1 # [ 182.099420] Hardware name: ARM Juno development board (r0) (DT) # [ 182.105360] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 182.111385] pc : refcount_warn_saturate+0xf4/0x144 # [ 182.116191] lr : refcount_warn_saturate+0xf4/0x144 # [ 182.120995] sp : ffff8000169b3cd0 # [ 182.124319] x29: ffff8000169b3cd0 x28: ffff000806701880 # [ 182.129660] x27: 0000000000000000 x26: 0000000000000000 # [ 182.135001] x25: ffff8000114f1970 x24: ffff8000169b3e20 # [ 182.140341] x23: 0000000000000020 x22: ffff0008050eb000 # [ 182.145681] x21: ffff800011a03fc0 x20: ffff8000114f1d10 # [ 182.151022] x19: 000000000000003a x18: 0000000000000001 # [ 182.156362] x17: 0000000000000000 x16: 0000000000000000 # [ 182.161702] x15: 0000000000000030 x14: ffffffffffffffff # [ 182.167043] x13: ffff8000969b3977 x12: ffff8000169b3980 # [ 182.172383] x11: 0000000000000038 x10: ffff8000125d82d0 # [ 182.177724] x9 : ffff80001012dd74 x8 : ffff8000125802d0 # [ 182.183064] x7 : ffff8000125d82d0 x6 : ffff800012551000 # [ 182.188404] x5 : ffff800012551c88 x4 : ffff00097ef08c50 # [ 182.193744] x3 : 0000000000000000 x2 : 0000000000000000 # [ 182.199084] x1 : 0000000000000000 x0 : ffff000806701880 # [ 182.204425] Call trace: # [ 182.206883] refcount_warn_saturate+0xf4/0x144 # [ 182.211344] __refcount_sub_and_test.constprop.0+0x64/0x7c # [ 182.216850] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x48/0x8c # [ 182.222526] lkdtm_do_action+0x24/0x40 # [ 182.226288] direct_entry+0xd0/0x140 # [ 182.229876] full_proxy_write+0x68/0xbc # [ 182.233726] vfs_write+0xec/0x20c # [ 182.237054] ksys_write+0x70/0x100 # [ 182.240468] __arm64_sys_write+0x24/0x30 # [ 182.244407] el0_svc_common.constprop.0+0x84/0x1e0 # [ 182.249214] do_el0_svc+0x2c/0x94 # [ 182.252543] el0_svc+0x20/0x30 # [ 182.255609] el0_sync_handler+0xb0/0xb4 # [ 182.259458] el0_sync+0x180/0x1c0 # [ 182.262783] irq event stamp: 0 # [ 182.265852] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 182.272142] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 # [ 182.280346] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 # [ 182.288546] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 182.294829] ---[ end trace ce6c5c8a996b342d ]--- # [ 182.299895] 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 [ 182.820725] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED [ 182.827676] lkdtm: attempting bad refcount_sub_and_test() from saturated [ 182.834457] ------------[ cut here ]------------ [ 182.839146] refcount_t: underflow; use-after-free. [ 182.844249] WARNING: CPU: 1 PID: 2774 at lib/refcount.c:28 refcount_warn_saturate+0xf4/0x144 [ 182.852708] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 182.862182] CPU: 1 PID: 2774 Comm: cat Tainted: G D W 5.10.161-cip22 #1 [ 182.869940] Hardware name: ARM Juno development board (r0) (DT) [ 182.875872] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 182.881892] pc : refcount_warn_saturate+0xf4/0x144 [ 182.886692] lr : refcount_warn_saturate+0xf4/0x144 [ 182.891490] sp : ffff800016a33cd0 [ 182.894810] x29: ffff800016a33cd0 x28: ffff000805774980 [ 182.900143] x27: 0000000000000000 x26: 0000000000000000 [ 182.905475] x25: ffff8000114f1970 x24: ffff800016a33e20 [ 182.910807] x23: 0000000000000020 x22: ffff0008085a9000 [ 182.916138] x21: ffff800011a03fe0 x20: ffff8000114f1d20 [ 182.921469] x19: 000000000000003b x18: 0000000000000000 [ 182.926801] x17: 0000000000000000 x16: 0000000000000000 [ 182.932131] x15: 0000000000000000 x14: ffff00080028e200 [ 182.937462] x13: ffff80096d181000 x12: 0000000030d4d91d [ 182.942793] x11: 0000000000000000 x10: 0000000000001440 [ 182.948124] x9 : ffff80001012dd74 x8 : ffff000805775e20 [ 182.953455] x7 : ffff80096d181000 x6 : ffff800012551000 [ 182.958786] x5 : ffff800012551c88 x4 : ffff00097ef2ac50 [ 182.964117] x3 : 0000000000000000 x2 : 0000000000000000 [ 182.969448] x1 : 0000000000000000 x0 : ffff000805774980 [ 182.974779] Call trace: [ 182.977231] refcount_warn_saturate+0xf4/0x144 [ 182.981688] __refcount_sub_and_test.constprop.0+0x64/0x7c [ 182.987187] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x48/0xc0 [ 182.992857] lkdtm_do_action+0x24/0x40 [ 182.996613] direct_entry+0xd0/0x140 [ 183.000196] full_proxy_write+0x68/0xbc [ 183.004042] vfs_write+0xec/0x20c [ 183.007365] ksys_write+0x70/0x100 [ 183.010774] __arm64_sys_write+0x24/0x30 [ 183.014707] el0_svc_common.constprop.0+0x84/0x1e0 [ 183.019509] do_el0_svc+0x2c/0x94 [ 183.022832] el0_svc+0x20/0x30 [ 183.025892] el0_sync_handler+0xb0/0xb4 [ 183.029736] el0_sync+0x180/0x1c0 [ 183.033055] irq event stamp: 0 [ 183.036118] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 183.042401] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 [ 183.050598] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 [ 183.058792] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 183.065070] ---[ end trace ce6c5c8a996b342e ]--- [ 183.069823] lkdtm: Saturation detected: still saturated # [ 182.820725] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 182.827676] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 182.834457] ------------[ cut here ]------------ # [ 182.839146] refcount_t: underflow; use-after-free. # [ 182.844249] WARNING: CPU: 1 PID: 2774 at lib/refcount.c:28 refcount_warn_saturate+0xf4/0x144 # [ 182.852708] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 182.862182] CPU: 1 PID: 2774 Comm: cat Tainted: G D W 5.10.161-cip22 #1 # [ 182.869940] Hardware name: ARM Juno development board (r0) (DT) # [ 182.875872] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 182.881892] pc : refcount_warn_saturate+0xf4/0x144 # [ 182.886692] lr : refcount_warn_saturate+0xf4/0x144 # [ 182.891490] sp : ffff800016a33cd0 # [ 182.894810] x29: ffff800016a33cd0 x28: ffff000805774980 # [ 182.900143] x27: 0000000000000000 x26: 0000000000000000 # [ 182.905475] x25: ffff8000114f1970 x24: ffff800016a33e20 # [ 182.910807] x23: 0000000000000020 x22: ffff0008085a9000 # [ 182.916138] x21: ffff800011a03fe0 x20: ffff8000114f1d20 # [ 182.921469] x19: 000000000000003b x18: 0000000000000000 # [ 182.926801] x17: 0000000000000000 x16: 0000000000000000 # [ 182.932131] x15: 0000000000000000 x14: ffff00080028e200 # [ 182.937462] x13: ffff80096d181000 x12: 0000000030d4d91d # [ 182.942793] x11: 0000000000000000 x10: 0000000000001440 # [ 182.948124] x9 : ffff80001012dd74 x8 : ffff000805775e20 # [ 182.953455] x7 : ffff80096d181000 x6 : ffff800012551000 # [ 182.958786] x5 : ffff800012551c88 x4 : ffff00097ef2ac50 # [ 182.964117] x3 : 0000000000000000 x2 : 0000000000000000 # [ 182.969448] x1 : 0000000000000000 x0 : ffff000805774980 # [ 182.974779] Call trace: # [ 182.977231] refcount_warn_saturate+0xf4/0x144 # [ 182.981688] __refcount_sub_and_test.constprop.0+0x64/0x7c # [ 182.987187] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x48/0xc0 # [ 182.992857] lkdtm_do_action+0x24/0x40 # [ 182.996613] direct_entry+0xd0/0x140 # [ 183.000196] full_proxy_write+0x68/0xbc # [ 183.004042] vfs_write+0xec/0x20c # [ 183.007365] ksys_write+0x70/0x100 # [ 183.010774] __arm64_sys_write+0x24/0x30 # [ 183.014707] el0_svc_common.constprop.0+0x84/0x1e0 # [ 183.019509] do_el0_svc+0x2c/0x94 # [ 183.022832] el0_svc+0x20/0x30 # [ 183.025892] el0_sync_handler+0xb0/0xb4 # [ 183.029736] el0_sync+0x180/0x1c0 # [ 183.033055] irq event stamp: 0 # [ 183.036118] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 183.042401] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 # [ 183.050598] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 # [ 183.058792] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 183.065070] ---[ end trace ce6c5c8a996b342e ]--- # [ 183.069823] 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 [ 183.998204] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO [ 184.004320] lkdtm: attempting good copy_to_user of correct size [ 184.010388] lkdtm: attempting bad copy_to_user of too large size # [ 183.998204] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 184.004320] lkdtm: attempting good copy_to_user of correct size # [ 184.010388] 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 [ 184.499298] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM [ 184.505601] lkdtm: attempting good copy_from_user of correct size [ 184.511857] lkdtm: attempting bad copy_from_user of too large size # [ 184.499298] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 184.505601] lkdtm: attempting good copy_from_user of correct size # [ 184.511857] 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 [ 185.012888] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO [ 185.019457] lkdtm: attempting good copy_to_user inside whitelist [ 185.025658] lkdtm: attempting bad copy_to_user outside whitelist # [ 185.012888] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 185.019457] lkdtm: attempting good copy_to_user inside whitelist # [ 185.025658] 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 [ 185.522105] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM [ 185.528838] lkdtm: attempting good copy_from_user inside whitelist [ 185.535273] lkdtm: attempting bad copy_from_user outside whitelist # [ 185.522105] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 185.528838] lkdtm: attempting good copy_from_user inside whitelist # [ 185.535273] 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 [ 186.038444] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO [ 186.044808] lkdtm: good_stack: ffff800016e3bcd8-ffff800016e3bcf8 [ 186.050968] lkdtm: bad_stack : ffff800016e3bc38-ffff800016e3bc58 [ 186.057095] lkdtm: attempting good copy_to_user of local stack [ 186.063325] lkdtm: attempting bad copy_to_user of distant stack # [ 186.038444] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 186.044808] lkdtm: good_stack: ffff800016e3bcd8-ffff800016e3bcf8 # [ 186.050968] lkdtm: bad_stack : ffff800016e3bc38-ffff800016e3bc58 # [ 186.057095] lkdtm: attempting good copy_to_user of local stack # [ 186.063325] 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 [ 186.549618] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM [ 186.556065] lkdtm: good_stack: ffff800016eebcd8-ffff800016eebcf8 [ 186.562159] lkdtm: bad_stack : ffff800016eebc38-ffff800016eebc58 [ 186.568256] lkdtm: attempting good copy_from_user of local stack [ 186.574422] lkdtm: attempting bad copy_from_user of distant stack # [ 186.549618] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 186.556065] lkdtm: good_stack: ffff800016eebcd8-ffff800016eebcf8 # [ 186.562159] lkdtm: bad_stack : ffff800016eebc38-ffff800016eebc58 # [ 186.568256] lkdtm: attempting good copy_from_user of local stack # [ 186.574422] 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 [ 187.061016] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND [ 187.067113] lkdtm: good_stack: ffff800016f83cd8-ffff800016f83cf8 [ 187.073193] lkdtm: bad_stack : ffff800016f83ff8-ffff800016f84018 [ 187.079284] lkdtm: attempting good copy_to_user of local stack [ 187.085322] lkdtm: attempting bad copy_to_user of distant stack [ 187.091417] Unable to handle kernel paging request at virtual address ffff800016f84000 [ 187.099480] Mem abort info: [ 187.102307] ESR = 0x96000007 [ 187.105397] EC = 0x25: DABT (current EL), IL = 32 bits [ 187.110757] SET = 0, FnV = 0 [ 187.113850] EA = 0, S1PTW = 0 [ 187.117019] Data abort info: [ 187.119914] ISV = 0, ISS = 0x00000007 [ 187.123776] CM = 0, WnR = 0 [ 187.126776] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081dbf000 [ 187.133517] [ffff800016f84000] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=0000000884e8c003, pte=0000000000000000 [ 187.146143] Internal error: Oops: 96000007 [#16] PREEMPT SMP [ 187.151819] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 187.161295] CPU: 1 PID: 3068 Comm: cat Tainted: G D W 5.10.161-cip22 #1 [ 187.169056] Hardware name: ARM Juno development board (r0) (DT) [ 187.174994] pstate: 80000005 (Nzcv daif -PAN -UAO -TCO BTYPE=--) [ 187.181028] pc : __arch_copy_to_user+0xa0/0x310 [ 187.185577] lr : _copy_to_user+0x6c/0x94 [ 187.189510] sp : ffff800016f83c70 [ 187.192831] x29: ffff800016f83c70 x28: ffff000807813100 [ 187.198166] x27: 0000000000000000 x26: 0000000000000000 [ 187.203502] x25: ffff8000114f1970 x24: ffff800016f83e20 [ 187.208839] x23: 0000000000000016 x22: ffff00080654e000 [ 187.214170] x21: ffff800016f83ff8 x20: 0000ffff8dc3c000 [ 187.219507] x19: 0000000000000020 x18: 0000000000000000 [ 187.224841] x17: 0000000000000000 x16: 0000000000000000 [ 187.230174] x15: ffff800016f83ff8 x14: 000000000000026c [ 187.235505] x13: 0000000000000003 x12: 0000000000000003 [ 187.240836] x11: 0000000000000000 x10: 0000000000001440 [ 187.246167] x9 : ffff80001011bd50 x8 : ffff0008078145a0 [ 187.251498] x7 : ffff80001254b000 x6 : 0000ffff8dc3c008 [ 187.256829] x5 : 0000ffff8dc3c020 x4 : 0000000000000008 [ 187.262159] x3 : 0000000000000010 x2 : 0000000000000018 [ 187.267491] x1 : ffff800016f84000 x0 : 0000ffff8dc3c000 [ 187.272822] Call trace: [ 187.275275] __arch_copy_to_user+0xa0/0x310 [ 187.279469] do_usercopy_stack+0x28c/0x294 [ 187.283574] lkdtm_USERCOPY_STACK_BEYOND+0x20/0x30 [ 187.288375] lkdtm_do_action+0x24/0x40 [ 187.292131] direct_entry+0xd0/0x140 [ 187.295714] full_proxy_write+0x68/0xbc [ 187.299559] vfs_write+0xec/0x20c [ 187.302879] ksys_write+0x70/0x100 [ 187.306287] __arm64_sys_write+0x24/0x30 [ 187.310221] el0_svc_common.constprop.0+0x84/0x1e0 [ 187.315022] do_el0_svc+0x2c/0x94 [ 187.318346] el0_svc+0x20/0x30 [ 187.321405] el0_sync_handler+0xb0/0xb4 [ 187.325248] el0_sync+0x180/0x1c0 [ 187.328574] Code: a8c12027 a88120c7 d503201f d503201f (a8c12027) [ 187.334684] ---[ end trace ce6c5c8a996b342f ]--- # Segmentation fault # [ 187.061016] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 187.067113] lkdtm: good_stack: ffff800016f83cd8-ffff800016f83cf8 # [ 187.073193] lkdtm: bad_stack : ffff800016f83ff8-ffff800016f84018 # [ 187.079284] lkdtm: attempting good copy_to_user of local stack # [ 187.085322] lkdtm: attempting bad copy_to_user of distant stack # [ 187.091417] Unable to handle kernel paging request at virtual address ffff800016f84000 # [ 187.099480] Mem abort info: # [ 187.102307] ESR = 0x96000007 # [ 187.105397] EC = 0x25: DABT (current EL), IL = 32 bits # [ 187.110757] SET = 0, FnV = 0 # [ 187.113850] EA = 0, S1PTW = 0 # [ 187.117019] Data abort info: # [ 187.119914] ISV = 0, ISS = 0x00000007 # [ 187.123776] CM = 0, WnR = 0 # [ 187.126776] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081dbf000 # [ 187.133517] [ffff800016f84000] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=0000000884e8c003, pte=0000000000000000 # [ 187.146143] Internal error: Oops: 96000007 [#16] PREEMPT SMP # [ 187.151819] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 187.161295] CPU: 1 PID: 3068 Comm: cat Tainted: G D W 5.10.161-cip22 #1 # [ 187.169056] Hardware name: ARM Juno development board (r0) (DT) # [ 187.174994] pstate: 80000005 (Nzcv daif -PAN -UAO -TCO BTYPE=--) # [ 187.181028] pc : __arch_copy_to_user+0xa0/0x310 # [ 187.185577] lr : _copy_to_user+0x6c/0x94 # [ 187.189510] sp : ffff800016f83c70 # [ 187.192831] x29: ffff800016f83c70 x28: ffff000807813100 # [ 187.198166] x27: 0000000000000000 x26: 0000000000000000 # [ 187.203502] x25: ffff8000114f1970 x24: ffff800016f83e20 # [ 187.208839] x23: 0000000000000016 x22: ffff00080654e000 # [ 187.214170] x21: ffff800016f83ff8 x20: 0000ffff8dc3c000 # [ 187.219507] x19: 0000000000000020 x18: 0000000000000000 # [ 187.224841] x17: 0000000000000000 x16: 0000000000000000 # [ 187.230174] x15: ffff800016f83ff8 x14: 000000000000026c # [ 187.235505] x13: 0000000000000003 x12: 0000000000000003 # [ 187.240836] x11: 0000000000000000 x10: 0000000000001440 # [ 187.246167] x9 : ffff80001011bd50 x8 : ffff0008078145a0 # [ 187.251498] x7 : ffff80001254b000 x6 : 0000ffff8dc3c008 # [ 187.256829] x5 : 0000ffff8dc3c020 x4 : 0000000000000008 # [ 187.262159] x3 : 0000000000000010 x2 : 0000000000000018 # [ 187.267491] x1 : ffff800016f84000 x0 : 0000ffff8dc3c000 # [ 187.272822] Call trace: # [ 187.275275] __arch_copy_to_user+0xa0/0x310 # [ 187.279469] do_usercopy_stack+0x28c/0x294 # [ 187.283574] lkdtm_USERCOPY_STACK_BEYOND+0x20/0x30 # [ 187.288375] lkdtm_do_action+0x24/0x40 # [ 187.292131] direct_entry+0xd0/0x140 # [ 187.295714] full_proxy_write+0x68/0xbc # [ 187.299559] vfs_write+0xec/0x20c # [ 187.302879] ksys_write+0x70/0x100 # [ 187.306287] __arm64_sys_write+0x24/0x30 # [ 187.310221] el0_svc_common.constprop.0+0x84/0x1e0 # [ 187.315022] do_el0_svc+0x2c/0x94 # [ 187.318346] el0_svc+0x20/0x30 # [ 187.321405] el0_sync_handler+0xb0/0xb4 # [ 187.325248] el0_sync+0x180/0x1c0 # [ 187.328574] Code: a8c12027 a88120c7 d503201f d503201f (a8c12027) # [ 187.334684] ---[ end trace ce6c5c8a996b342f ]--- # USERCOPY_STACK_BEYOND: saw 'call trace:': ok ok 67 selftests: lkdtm: USERCOPY_STACK_BEYOND.sh # selftests: lkdtm: USERCOPY_KERNEL.sh [ 187.828023] lkdtm: Performing direct entry USERCOPY_KERNEL [ 187.833614] lkdtm: attempting good copy_to_user from kernel rodata: ffff8000114f1e80 [ 187.841497] lkdtm: attempting bad copy_to_user from kernel text: ffff8000102d21a0 [ 187.849132] lkdtm: FAIL: survived bad copy_to_user() # [ 187.828023] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 187.833614] lkdtm: attempting good copy_to_user from kernel rodata: ffff8000114f1e80 # [ 187.841497] lkdtm: attempting bad copy_to_user from kernel text: ffff8000102d21a0 # [ 187.849132] 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 [ 188.364080] lkdtm: Performing direct entry STACKLEAK_ERASING [ 188.369822] lkdtm: checking unused part of the thread stack (15608 bytes)... [ 188.376973] lkdtm: FAIL: the erased part is not found (checked 15608 bytes) [ 188.384084] lkdtm: FAIL: the thread stack is NOT properly erased [ 188.390435] CPU: 1 PID: 3150 Comm: cat Tainted: G D W 5.10.161-cip22 #1 [ 188.398200] Hardware name: ARM Juno development board (r0) (DT) [ 188.404133] Call trace: [ 188.406592] dump_backtrace+0x0/0x1e4 [ 188.410263] show_stack+0x20/0x2c [ 188.413589] dump_stack+0xf8/0x168 [ 188.416999] lkdtm_STACKLEAK_ERASING+0x130/0x170 [ 188.421629] lkdtm_do_action+0x24/0x40 [ 188.425386] direct_entry+0xd0/0x140 [ 188.428971] full_proxy_write+0x68/0xbc [ 188.432818] vfs_write+0xec/0x20c [ 188.436140] ksys_write+0x70/0x100 [ 188.439550] __arm64_sys_write+0x24/0x30 [ 188.443484] el0_svc_common.constprop.0+0x84/0x1e0 [ 188.448286] do_el0_svc+0x2c/0x94 [ 188.451611] el0_svc+0x20/0x30 [ 188.454672] el0_sync_handler+0xb0/0xb4 [ 188.458517] el0_sync+0x180/0x1c0 # [ 188.364080] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 188.369822] lkdtm: checking unused part of the thread stack (15608 bytes)... # [ 188.376973] lkdtm: FAIL: the erased part is not found (checked 15608 bytes) # [ 188.384084] lkdtm: FAIL: the thread stack is NOT properly erased # [ 188.390435] CPU: 1 PID: 3150 Comm: cat Tainted: G D W 5.10.161-cip22 #1 # [ 188.398200] Hardware name: ARM Juno development board (r0) (DT) # [ 188.404133] Call trace: # [ 188.406592] dump_backtrace+0x0/0x1e4 # [ 188.410263] show_stack+0x20/0x2c # [ 188.413589] dump_stack+0xf8/0x168 # [ 188.416999] lkdtm_STACKLEAK_ERASING+0x130/0x170 # [ 188.421629] lkdtm_do_action+0x24/0x40 # [ 188.425386] direct_entry+0xd0/0x140 # [ 188.428971] full_proxy_write+0x68/0xbc # [ 188.432818] vfs_write+0xec/0x20c # [ 188.436140] ksys_write+0x70/0x100 # [ 188.439550] __arm64_sys_write+0x24/0x30 # [ 188.443484] el0_svc_common.constprop.0+0x84/0x1e0 # [ 188.448286] do_el0_svc+0x2c/0x94 # [ 188.451611] el0_svc+0x20/0x30 # [ 188.454672] el0_sync_handler+0xb0/0xb4 # [ 188.458517] 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 [ 188.946371] lkdtm: Performing direct entry CFI_FORWARD_PROTO [ 188.952149] lkdtm: Calling matched prototype ... [ 188.956852] lkdtm: Calling mismatched prototype ... [ 188.961798] lkdtm: Fail: survived mismatched prototype function call! # [ 188.946371] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 188.952149] lkdtm: Calling matched prototype ... # [ 188.956852] lkdtm: Calling mismatched prototype ... # [ 188.961798] 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 / #