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 : 37 degC Configuring motherboard (rev B, var A)... IOFPGA image \MB\HBI0262B\io_b118.bit IOFPGA config: PASSED OSC CLK config: PASSED Configuring SCC registers... Writing SCC 0x00000054 with 0x0007FFFE Writing SCC 0x0000005C with 0x00FE001E Writing SCC 0x00000100 with 0x003F1000 Writing SCC 0x00000104 with 0x0001F300 Writing SCC 0x00000108 with 0x00371000 Writing SCC 0x0000010C with 0x0001B300 Writing SCC 0x00000118 with 0x003F1000 Writing SCC 0x0000011C with 0x0001F100 Writing SCC 0x000000F8 with 0x0BEC0000 Writing SCC 0x000000FC with 0xABE40000 Writing SCC 0x0000000C with 0x000000C2 Writing SCC 0x00000010 with 0x000000C2 Peripheral ID0:0x000000AD Peripheral ID1:0x000000B0 Peripheral ID2:0x0000000B Peripheral ID3:0x00000000 Peripheral ID4:0x0000000D Peripheral ID5:0x000000F0 Peripheral ID6:0x00000005 Peripheral ID7:0x000000B1 Programming NOR Flash PCIE clock configured... Testing motherboard interfaces (FPGA build 118)... SRAM 32MB test: PASSED LAN9118 test: PASSED ERROR: SMC USB SRAM mode lock SMC USB test: FAILED KMI1/2 test: PASSED MMC test: PASSED PB/LEDs test: PASSED FPGA UART test: PASSED PCIe init test: PASSED MAC addrs test: PASSED SMC MAC address 0002-F700-584D Setting HDMI0 mode for SVGA. Setting HDMI1 mode for SVGA. SoC SMB clock enabled. Testing SMB clock... SMB clock running Releasing system resets... UART0 set to SoC UART0 UART1 set to SoC UART1 NOTICE: Booting Trusted Firmware NOTICE: BL1: v2.1(release):v2.2-rc0 NOTICE: BL1: Built : 02:01:47, Apr 13 2022 NOTICE: BL1: Booting BL2 NOTICE: BL2: v2.1(release):v2.2-rc0 NOTICE: BL2: Built : 02:01:49, Apr 13 2022 NOTICE: BL1: Booting BL31 NOTICE: BL31: v2.1(release):v2.2-rc0 NOTICE: BL31: Built : 02:01:52, Apr 13 2022 U-Boot 2022.04-00567-gb2a22b2c9f-dirty (Apr 14 2022 - 01:11:52 +0100) vexpress_aemv8a DRAM: 8 GiB PCIe XR3 Host Bridge enabled: x4 link (Gen 2) Core: 21 devices, 8 uclasses, devicetree: board Flash: 64 MiB Loading Environment from Flash... *** Warning - bad CRC, using default environment In: serial@7ff80000 Out: serial@7ff80000 Err: serial@7ff80000 Net: eth0: ethernet@200000000 Hit any key to stop autoboot: 1  0 VExpress64# setenv autoload no setenv autoload no VExpress64# setenv initrd_high 0xffffffffffffffff setenv initrd_high 0xffffffffffffffff VExpress64# setenv fdt_high 0xffffffffffffffff setenv fdt_high 0xffffffffffffffff VExpress64# dhcp dhcp smc911x: detected LAN9118 controller smc911x: phy initialized smc911x: MAC 00:02:f7:00:58:4d BOOTP broadcast 1 BOOTP broadcast 2 BOOTP broadcast 3 BOOTP broadcast 4 BOOTP broadcast 5 *** Unhandled DHCP Option in OFFER/ACK: 42 *** Unhandled DHCP Option in OFFER/ACK: 42 DHCP client bound to address 192.168.56.212 (3815 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 325228/tftp-deploy-thh_w5o7/kernel/uImage tftp 0x80200000 325228/tftp-deploy-thh_w5o7/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 192.168.56.212 Filename '325228/tftp-deploy-thh_w5o7/kernel/uImage'. Load address: 0x80200000 Loading: *################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ############## 1.9 MiB/s done Bytes transferred = 44091968 (2a0ca40 hex) smc911x: MAC 00:02:f7:00:58:4d VExpress64# tftp 0x8fe00000 325228/tftp-deploy-thh_w5o7/ramdisk/ramdisk.cpio.gz.uboot tftp 0x8fe00000 325228/tftp-deploy-thh_w5o7/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 192.168.56.212 Filename '325228/tftp-deploy-thh_w5o7/ramdisk/ramdisk.cpio.gz.uboot'. Load address: 0x8fe00000 Loading: *################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################ 1.5 MiB/s done Bytes transferred = 18820308 (11f2cd4 hex) smc911x: MAC 00:02:f7:00:58:4d VExpress64# setenv initrd_size ${filesize} setenv initrd_size ${filesize} VExpress64# tftp 0x8fc00000 325228/tftp-deploy-thh_w5o7/dtb/juno.dtb tftp 0x8fc00000 325228/tftp-deploy-thh_w5o7/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 192.168.56.212 Filename '325228/tftp-deploy-thh_w5o7/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/325228/extract-nfsrootfs-ilgq71_t,tcp,hard,vers=3 earlycon=pl011,0x7ff80000 console_msg_format=syslog earlycon deferred_probe_timeout=60 ip=dhcp' setenv bootargs 'console=ttyAMA0,115200n8 root=/dev/nfs rw nfsroot=192.168.56.230:/var/lib/lava/dispatcher/tmp/325228/extract-nfsrootfs-ilgq71_t,tcp,hard,vers=3 earlycon=pl011,0x7ff80000 console_msg_format=syslog earlycon deferred_probe_timeout=60 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: 44091904 Bytes = 42 MiB Load Address: 80200000 Entry Point: 80200000 Verifying Checksum ... OK ## Loading init Ramdisk from Legacy Image at 8fe00000 ... Image Name: Image Type: AArch64 Linux RAMDisk Image (uncompressed) Data Size: 18820244 Bytes = 17.9 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 5.10.216-cip47 (KernelCI@build-j211092-arm64-gcc-10-defconfig-kselftest-hbdhk) (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 Thu May 30 07:34:50 UTC 2024 [ 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] earlycon: pl11 at MMIO 0x000000007ff80000 (options '115200n8') [ 0.000000] ------------[ cut here ]------------ [ 0.000000] console 'pl11' already registered [ 0.000000] WARNING: CPU: 0 PID: 0 at kernel/printk/printk.c:2809 register_console+0x5c/0x300 [ 0.000000] Modules linked in: [ 0.000000] CPU: 0 PID: 0 Comm: swapper Not tainted 5.10.216-cip47 #1 [ 0.000000] Hardware name: ARM Juno development board (r0) (DT) [ 0.000000] pstate: 60000085 (nZCv daIf -PAN -UAO -TCO BTYPE=--) [ 0.000000] pc : register_console+0x5c/0x300 [ 0.000000] lr : register_console+0x5c/0x300 [ 0.000000] sp : ffff800012583dd0 [ 0.000000] x29: ffff800012583dd0 x28: 0000000081df0018 [ 0.000000] x27: 00000000fef4a810 x26: 0000000000000000 [ 0.000000] x25: 00000000000046ac x24: ffff8000128ca000 [ 0.000000] x23: 0000000000000000 x22: ffff800011dba480 [ 0.000000] x21: ffff80001347cf48 x20: ffff8000128caa40 [ 0.000000] x19: ffff8000128caa40 x18: 0000000000000005 [ 0.000000] x17: 0000000000001800 x16: 0000000000000000 [ 0.000000] x15: 0000000000000030 x14: ffffffffffffffff [ 0.000000] x13: ffff800092583a77 x12: 0000000076153240 [ 0.000000] x11: ffff8000125b0dc8 x10: ffff80001262c360 [ 0.000000] x9 : 00000000fffff000 x8 : ffff8000125d4360 [ 0.000000] x7 : ffff80001262c360 x6 : 0000000000000000 [ 0.000000] x5 : 0000000000000000 x4 : 0000000000000000 [ 0.000000] x3 : 00000000ffffffff x2 : 0000000000000000 [ 0.000000] x1 : 0000000000000000 x0 : ffff8000125b0540 [ 0.000000] Call trace: [ 0.000000] register_console+0x5c/0x300 [ 0.000000] of_setup_earlycon+0x26c/0x290 [ 0.000000] early_init_dt_scan_chosen_stdout+0x168/0x1ac [ 0.000000] acpi_boot_table_init+0x160/0x1a0 [ 0.000000] setup_arch+0x294/0x65c [ 0.000000] start_kernel+0x90/0x5a0 [ 0.000000] irq event stamp: 0 [ 0.000000] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 0.000000] hardirqs last disabled at (0): [<0000000000000000>] 0x0 [ 0.000000] softirqs last enabled at (0): [<0000000000000000>] 0x0 [ 0.000000] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 0.000000] ---[ end trace 65b1a0a095d4f623 ]--- [ 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 s101072 r8192 d30000 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/325228/extract-nfsrootfs-ilgq71_t,tcp,hard,vers=3 earlycon=pl011,0x7ff80000 console_msg_format=syslog earlycon deferred_probe_timeout=60 ip=dhcp <6>[ 0.000000] Dentry cache hash table entries: 1048576 (order: 11, 8388608 bytes, linear) <6>[ 0.000000] Inode-cache hash table entries: 524288 (order: 10, 4194304 bytes, linear) <6>[ 0.000000] mem auto-init: stack:off, heap alloc:off, heap free:off <6>[ 0.000000] software IO TLB: mapped [mem 0x00000000f9000000-0x00000000fd000000] (64MB) <6>[ 0.000000] Memory: 8040008K/8372224K available (18944K kernel code, 4658K rwdata, 9552K rodata, 9792K init, 11275K bss, 299448K reserved, 32768K cma-reserved) <6>[ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=6, Nodes=1 <6>[ 0.000000] ftrace: allocating 59422 entries in 233 pages <6>[ 0.000000] ftrace: allocated 233 pages with 5 groups <6>[ 0.000000] Running RCU self tests <6>[ 0.000000] rcu: Preemptible hierarchical RCU implementation. <6>[ 0.000000] rcu: RCU event tracing is enabled. <6>[ 0.000000] rcu: RCU lockdep checking is enabled. <6>[ 0.000000] rcu: RCU restricting CPUs from NR_CPUS=256 to nr_cpu_ids=6. <6>[ 0.000000] Trampoline variant of Tasks RCU enabled. <6>[ 0.000000] Rude variant of Tasks RCU enabled. <6>[ 0.000000] Tracing variant of Tasks RCU enabled. <6>[ 0.000000] rcu: RCU calculated value of scheduler-enlistment delay is 25 jiffies. <6>[ 0.000000] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=6 <6>[ 0.000000] NR_IRQS: 64, nr_irqs: 64, preallocated irqs: 0 <6>[ 0.000000] GIC: Using split EOI/Deactivate mode <6>[ 0.000000] GICv2m: range[mem 0x2c1c0000-0x2c1cffff], SPI[224:255] <6>[ 0.000000] GICv2m: range[mem 0x2c1d0000-0x2c1dffff], SPI[256:287] <6>[ 0.000000] GICv2m: range[mem 0x2c1e0000-0x2c1effff], SPI[288:319] <6>[ 0.000000] GICv2m: range[mem 0x2c1f0000-0x2c1fffff], SPI[320:351] <3>[ 0.000000] sp804: timer clock not found: -517 <3>[ 0.000000] sp804: arm,sp804 clock not found: -2 <3>[ 0.000000] Failed to initialize '/bus@8000000/motherboard-bus/iofpga-bus@300000000/timer@110000': -22 <3>[ 0.000000] sp804: timer clock not found: -517 <3>[ 0.000000] sp804: arm,sp804 clock not found: -2 <3>[ 0.000000] Failed to initialize '/bus@8000000/motherboard-bus/iofpga-bus@300000000/timer@120000': -22 <6>[ 0.000000] arch_timer: cp15 timer(s) running at 50.00MHz (phys). <6>[ 0.000000] clocksource: arch_sys_counter: mask: 0xffffffffffffff max_cycles: 0xb8812736b, max_idle_ns: 440795202655 ns <6>[ 0.000007] sched_clock: 56 bits at 50MHz, resolution 20ns, wraps every 4398046511100ns <6>[ 0.009878] Console: colour dummy device 80x25 <4>[ 0.014761] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar <4>[ 0.022937] ... MAX_LOCKDEP_SUBCLASSES: 8 <4>[ 0.027408] ... MAX_LOCK_DEPTH: 48 <4>[ 0.031966] ... MAX_LOCKDEP_KEYS: 8192 <4>[ 0.036699] ... CLASSHASH_SIZE: 4096 <4>[ 0.041433] ... MAX_LOCKDEP_ENTRIES: 32768 <4>[ 0.046254] ... MAX_LOCKDEP_CHAINS: 65536 <4>[ 0.051075] ... CHAINHASH_SIZE: 32768 <4>[ 0.055896] memory used by lock dependency info: 6365 kB <4>[ 0.061687] memory used for stack traces: 4224 kB <4>[ 0.066861] per task-struct memory footprint: 1920 bytes <6>[ 0.072861] Calibrating delay loop (skipped), value calculated using timer frequency.. 100.00 BogoMIPS (lpj=200000) <6>[ 0.083799] pid_max: default: 32768 minimum: 301 <6>[ 0.089171] LSM: Security Framework initializing <6>[ 0.094257] LSM support for eBPF active <6>[ 0.098653] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes, linear) <6>[ 0.106694] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes, linear) <6>[ 0.127081] rcu: Hierarchical SRCU implementation. <6>[ 0.141215] EFI services will not be available. <6>[ 0.148000] smp: Bringing up secondary CPUs ... <6>[ 0.156421] CPU features: detected: ARM erratum 832075 <6>[ 0.156430] CPU features: detected: ARM erratum 834220 <6>[ 0.156437] CPU features: detected: EL2 vector hardening <6>[ 0.156451] CPU features: detected: Spectre-v2 <6>[ 0.156463] CPU features: detected: ARM errata 1165522, 1319367, or 1530923 <6>[ 0.156472] CPU features: detected: Spectre-BHB <6>[ 0.156480] Detected PIPT I-cache on CPU1 <6>[ 0.156560] CPU1: Booted secondary processor 0x0000000000 [0x410fd070] <6>[ 0.160316] Detected PIPT I-cache on CPU2 <6>[ 0.160364] CPU2: Booted secondary processor 0x0000000001 [0x410fd070] <6>[ 0.163837] Detected VIPT I-cache on CPU3 <6>[ 0.163931] CPU3: Booted secondary processor 0x0000000101 [0x410fd030] <6>[ 0.167858] Detected VIPT I-cache on CPU4 <6>[ 0.167935] CPU4: Booted secondary processor 0x0000000102 [0x410fd030] <6>[ 0.171680] Detected VIPT I-cache on CPU5 <6>[ 0.171754] CPU5: Booted secondary processor 0x0000000103 [0x410fd030] <6>[ 0.172520] smp: Brought up 1 node, 6 CPUs <6>[ 0.267397] SMP: Total of 6 processors activated. <6>[ 0.272539] CPU features: detected: 32-bit EL0 Support <6>[ 0.278237] CPU features: detected: CRC32 instructions <6>[ 0.283810] CPU features: detected: 32-bit EL1 Support <6>[ 0.363677] CPU: All CPU(s) started at EL2 <6>[ 0.368334] alternatives: patching kernel code <6>[ 0.384112] devtmpfs: initialized <4>[ 0.414875] KASLR disabled due to lack of seed <6>[ 0.421975] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 7645041785100000 ns <6>[ 0.432208] futex hash table entries: 2048 (order: 6, 262144 bytes, linear) <6>[ 0.441644] pinctrl core: initialized pinctrl subsystem <6>[ 0.451994] DMI not present or invalid. <6>[ 0.457880] NET: Registered protocol family 16 <6>[ 0.468233] DMA: preallocated 1024 KiB GFP_KERNEL pool for atomic allocations <6>[ 0.476167] DMA: preallocated 1024 KiB GFP_KERNEL|GFP_DMA pool for atomic allocations <6>[ 0.485741] DMA: preallocated 1024 KiB GFP_KERNEL|GFP_DMA32 pool for atomic allocations <6>[ 0.494383] audit: initializing netlink subsys (disabled) <5>[ 0.500796] audit: type=2000 audit(0.404:1): state=initialized audit_enabled=0 res=1 <6>[ 0.504197] thermal_sys: Registered thermal governor 'step_wise' <6>[ 0.508965] thermal_sys: Registered thermal governor 'power_allocator' <6>[ 0.516621] cpuidle: using governor menu <6>[ 0.528304] hw-breakpoint: found 6 breakpoint and 4 watchpoint registers. <6>[ 0.535986] ASID allocator initialised with 65536 entries <6>[ 0.546082] Serial: AMBA PL011 UART driver <6>[ 0.641826] 7ff80000.serial: ttyAMA0 at MMIO 0x7ff80000 (irq = 38, base_baud = 0) is a PL011 rev3 <6>[ 0.651236] printk: console [ttyAMA0] enabled <6>[ 0.651236] printk: console [ttyAMA0] enabled <6>[ 0.660601] printk: bootconsole [pl11] disabled <6>[ 0.660601] printk: bootconsole [pl11] disabled <6>[ 0.724480] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages <6>[ 0.731623] HugeTLB registered 32.0 MiB page size, pre-allocated 0 pages <6>[ 0.738645] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages <6>[ 0.745676] HugeTLB registered 64.0 KiB page size, pre-allocated 0 pages <6>[ 0.759332] cryptd: max_cpu_qlen set to 1000 <6>[ 0.775651] ACPI: Interpreter disabled. <6>[ 0.786884] iommu: Default domain type: Translated <6>[ 0.793004] vgaarb: loaded <5>[ 0.797412] SCSI subsystem initialized <6>[ 0.802991] usbcore: registered new interface driver usbfs <6>[ 0.808981] usbcore: registered new interface driver hub <6>[ 0.814772] usbcore: registered new device driver usb <6>[ 0.824738] pps_core: LinuxPPS API ver. 1 registered <6>[ 0.830027] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <6>[ 0.839522] PTP clock support registered <6>[ 0.844167] EDAC MC: Ver: 3.0.0 <6>[ 0.852550] FPGA manager framework <6>[ 0.856636] Advanced Linux Sound Architecture Driver Initialized. <6>[ 0.866003] clocksource: Switched to clocksource arch_sys_counter <5>[ 2.203263] VFS: Disk quotas dquot_6.6.0 <6>[ 2.207676] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) <6>[ 2.216008] pnp: PnP ACPI: disabled <6>[ 2.254328] NET: Registered protocol family 2 <6>[ 2.259839] IP idents hash table entries: 131072 (order: 8, 1048576 bytes, linear) <6>[ 2.273115] tcp_listen_portaddr_hash hash table entries: 4096 (order: 6, 327680 bytes, linear) <6>[ 2.283354] TCP established hash table entries: 65536 (order: 7, 524288 bytes, linear) <6>[ 2.295001] TCP bind hash table entries: 65536 (order: 10, 4718592 bytes, vmalloc) <6>[ 2.317736] TCP: Hash tables configured (established 65536 bind 65536) <6>[ 2.326170] MPTCP token hash table entries: 8192 (order: 7, 720896 bytes, linear) <6>[ 2.336175] UDP hash table entries: 4096 (order: 7, 655360 bytes, linear) <6>[ 2.345400] UDP-Lite hash table entries: 4096 (order: 7, 655360 bytes, linear) <6>[ 2.355366] NET: Registered protocol family 1 <6>[ 2.362299] RPC: Registered named UNIX socket transport module. <6>[ 2.368574] RPC: Registered udp transport module. <6>[ 2.373597] RPC: Registered tcp transport module. <6>[ 2.378618] RPC: Registered tcp NFSv4.1 backchannel transport module. <6>[ 2.385396] NET: Registered protocol family 44 <6>[ 2.390181] PCI: CLS 0 bytes, default 64 <6>[ 2.395219] Unpacking initramfs... <6>[ 4.115655] Freeing initrd memory: 18372K <6>[ 4.123392] hw perfevents: enabled with armv8_cortex_a57 PMU driver, 7 counters available <6>[ 4.133865] hw perfevents: enabled with armv8_cortex_a53 PMU driver, 7 counters available <6>[ 4.142530] kvm [1]: Guests without required CPU erratum workarounds can deadlock system! <6>[ 4.142530] Only trusted guests should be used on this system. <6>[ 4.157180] kvm [1]: IPA Size Limit: 40 bits <6>[ 4.173749] kvm [1]: vgic interrupt IRQ9 <6>[ 4.178681] kvm [1]: Hyp mode initialized successfully <5>[ 4.205090] Initialise system trusted keyrings <6>[ 4.210578] workingset: timestamp_bits=42 max_order=21 bucket_order=0 <6>[ 4.260315] squashfs: version 4.0 (2009/01/31) Phillip Lougher <5>[ 4.269043] NFS: Registering the id_resolver key type <5>[ 4.274530] Key type id_resolver registered <5>[ 4.279068] Key type id_legacy registered <6>[ 4.283839] nfs4filelayout_init: NFSv4 File Layout Driver Registering... <6>[ 4.290895] nfs4flexfilelayout_init: NFSv4 Flexfile Layout Driver Registering... <6>[ 4.299155] 9p: Installing v9fs 9p2000 file system support <5>[ 4.355306] Key type asymmetric registered <5>[ 4.359775] Asymmetric key parser 'x509' registered <6>[ 4.365075] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 245) <6>[ 4.372822] io scheduler mq-deadline registered <6>[ 4.377673] io scheduler kyber registered <4>[ 4.382632] test_firmware: interface ready <6>[ 4.414067] pl061_gpio 1c1d0000.gpio: PL061 GPIO chip registered <4>[ 4.431012] EINJ: ACPI disabled. <6>[ 4.455752] dma-pl330 7ff00000.dma: Loaded driver for PL330 DMAC-341330 <6>[ 4.462711] dma-pl330 7ff00000.dma: DBUFF-1024x16bytes Num_Chans-8 Num_Peri-8 Num_Events-8 <6>[ 4.503056] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled <6>[ 4.519136] SuperH (H)SCI(F) driver initialized <6>[ 4.525363] msm_serial: driver initialized <5>[ 4.533603] arm-smmu 7fb10000.iommu: probing hardware configuration... <5>[ 4.540467] arm-smmu 7fb10000.iommu: SMMUv1 with: <5>[ 4.545490] arm-smmu 7fb10000.iommu: stage 2 translation <5>[ 4.551228] arm-smmu 7fb10000.iommu: non-coherent table walk <5>[ 4.557295] arm-smmu 7fb10000.iommu: (IDR0.CTTW overridden by FW configuration) <5>[ 4.565020] arm-smmu 7fb10000.iommu: stream matching with 2 register groups <5>[ 4.572400] arm-smmu 7fb10000.iommu: 1 context banks (1 stage-2 only) <5>[ 4.579254] arm-smmu 7fb10000.iommu: Supported page sizes: 0x60211000 <5>[ 4.586102] arm-smmu 7fb10000.iommu: Stage-2: 40-bit IPA -> 40-bit PA <5>[ 4.594261] arm-smmu 7fb20000.iommu: probing hardware configuration... <5>[ 4.601115] arm-smmu 7fb20000.iommu: SMMUv1 with: <5>[ 4.606138] arm-smmu 7fb20000.iommu: stage 2 translation <5>[ 4.611872] arm-smmu 7fb20000.iommu: non-coherent table walk <5>[ 4.617937] arm-smmu 7fb20000.iommu: (IDR0.CTTW overridden by FW configuration) <5>[ 4.625662] arm-smmu 7fb20000.iommu: stream matching with 2 register groups <5>[ 4.633038] arm-smmu 7fb20000.iommu: 1 context banks (1 stage-2 only) <5>[ 4.639891] arm-smmu 7fb20000.iommu: Supported page sizes: 0x60211000 <5>[ 4.646742] arm-smmu 7fb20000.iommu: Stage-2: 40-bit IPA -> 40-bit PA <5>[ 4.654376] arm-smmu 7fb30000.iommu: probing hardware configuration... <5>[ 4.661231] arm-smmu 7fb30000.iommu: SMMUv1 with: <5>[ 4.666251] arm-smmu 7fb30000.iommu: stage 2 translation <5>[ 4.671983] arm-smmu 7fb30000.iommu: coherent table walk <5>[ 4.677707] arm-smmu 7fb30000.iommu: stream matching with 2 register groups <5>[ 4.685100] arm-smmu 7fb30000.iommu: 1 context banks (1 stage-2 only) <5>[ 4.691955] arm-smmu 7fb30000.iommu: Supported page sizes: 0x60211000 <5>[ 4.698803] arm-smmu 7fb30000.iommu: Stage-2: 40-bit IPA -> 40-bit PA <6>[ 4.751527] loop: module loaded <6>[ 4.757034] lkdtm: No crash points registered, enable through debugfs <6>[ 4.767267] megasas: 07.714.04.00-rc1 <6>[ 4.792454] thunder_xcv, ver 1.0 <6>[ 4.796151] thunder_bgx, ver 1.0 <6>[ 4.799840] nicpf, ver 1.0 <6>[ 4.806529] hclge is initializing <6>[ 4.810271] hns3: Hisilicon Ethernet Network Driver for Hip08 Family - version <6>[ 4.817820] hns3: Copyright (c) 2017 Huawei Corporation. <6>[ 4.823626] e1000: Intel(R) PRO/1000 Network Driver <6>[ 4.828827] e1000: Copyright (c) 1999-2006 Intel Corporation. <6>[ 4.835039] e1000e: Intel(R) PRO/1000 Network Driver <6>[ 4.840318] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. <6>[ 4.846714] igb: Intel(R) Gigabit Ethernet Network Driver <6>[ 4.852433] igb: Copyright (c) 2007-2014 Intel Corporation. <6>[ 4.858425] igbvf: Intel(R) Gigabit Virtual Function Network Driver <6>[ 4.865031] igbvf: Copyright (c) 2009 - 2012 Intel Corporation. <6>[ 4.872286] sky2: driver version 1.30 <6>[ 4.942186] smsc911x 18000000.ethernet eth0: MAC Address: 00:02:f7:00:58:4d <6>[ 4.953416] VFIO - User Level meta-driver version: 0.3 <6>[ 4.964405] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver <6>[ 4.971396] ehci-pci: EHCI PCI platform driver <6>[ 4.976267] ehci-platform: EHCI generic platform driver <6>[ 4.982454] ehci-platform 7ffc0000.usb: Adding to iommu group 0 <6>[ 4.989471] ehci-platform 7ffc0000.usb: EHCI Host Controller <6>[ 4.995650] ehci-platform 7ffc0000.usb: new USB bus registered, assigned bus number 1 <6>[ 5.004332] ehci-platform 7ffc0000.usb: irq 41, io mem 0x7ffc0000 <6>[ 5.026058] ehci-platform 7ffc0000.usb: USB 2.0 started, EHCI 1.00 <6>[ 5.035990] hub 1-0:1.0: USB hub found <6>[ 5.040283] hub 1-0:1.0: 1 port detected <6>[ 5.046285] ehci-orion: EHCI orion driver <6>[ 5.050963] ehci-exynos: EHCI Exynos driver <6>[ 5.055765] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver <6>[ 5.062319] ohci-pci: OHCI PCI platform driver <6>[ 5.067265] ohci-platform: OHCI generic platform driver <6>[ 5.073268] ohci-platform 7ffb0000.usb: Adding to iommu group 0 <6>[ 5.079852] ohci-platform 7ffb0000.usb: Generic Platform OHCI controller <6>[ 5.086925] ohci-platform 7ffb0000.usb: new USB bus registered, assigned bus number 2 <6>[ 5.095472] ohci-platform 7ffb0000.usb: irq 40, io mem 0x7ffb0000 <6>[ 5.180429] hub 2-0:1.0: USB hub found <6>[ 5.184613] hub 2-0:1.0: 1 port detected <6>[ 5.190205] ohci-exynos: OHCI Exynos driver <6>[ 5.196310] usbcore: registered new interface driver usb-storage <6>[ 5.214637] rtc-pl031 1c170000.rtc: registered as rtc0 <6>[ 5.220248] rtc-pl031 1c170000.rtc: setting system clock to 2000-01-01T00:02:56 UTC (946684976) <6>[ 5.231181] i2c /dev entries driver <6>[ 5.248443] sp805-wdt 1c0f0000.wdt: registration successful <6>[ 5.266380] sdhci: Secure Digital Host Controller Interface driver <6>[ 5.271345] mmci-pl18x 1c050000.mmci: mmc0: PL180 manf 41 rev0 at 0x1c050000 irq 16,0 (pio) <6>[ 5.272878] sdhci: Copyright(c) Pierre Ossman <6>[ 5.287740] Synopsys Designware Multimedia Card Interface Driver <6>[ 5.296801] sdhci-pltfm: SDHCI platform and OF driver helper <6>[ 5.306135] usb 1-1: new high-speed USB device number 2 using ehci-platform <6>[ 5.307666] leds-syscon 1c010000.apbregs:led0: registered LED (null) <6>[ 5.320948] leds-syscon 1c010000.apbregs:led1: registered LED (null) <6>[ 5.328234] leds-syscon 1c010000.apbregs:led2: registered LED (null) <6>[ 5.335531] leds-syscon 1c010000.apbregs:led3: registered LED (null) <6>[ 5.342848] leds-syscon 1c010000.apbregs:led4: registered LED (null) <6>[ 5.350196] leds-syscon 1c010000.apbregs:led5: registered LED (null) <6>[ 5.357487] leds-syscon 1c010000.apbregs:led6: registered LED (null) <6>[ 5.364787] leds-syscon 1c010000.apbregs:led7: registered LED (null) <6>[ 5.373777] ledtrig-cpu: registered to indicate activity on CPUs <6>[ 5.385938] usbcore: registered new interface driver usbhid <6>[ 5.391832] usbhid: USB HID core driver <6>[ 5.399106] mhu 2b1f0000.mhu: ARM MHU Mailbox registered <6>[ 5.419717] netem: version 1.3 <6>[ 5.423283] ipip: IPv4 and MPLS over IPv4 tunneling driver <6>[ 5.430603] IPv4 over IPsec tunneling driver <6>[ 5.438248] NET: Registered protocol family 10 <6>[ 5.447718] Segment Routing with IPv6 <6>[ 5.455345] NET: Registered protocol family 17 <6>[ 5.461470] 8021q: 802.1Q VLAN Support v1.8 <6>[ 5.466515] 9pnet: Installing 9P2000 support <5>[ 5.471338] Key type dns_resolver registered <6>[ 5.477047] hub 1-1:1.0: USB hub found <6>[ 5.477186] registered taskstats version 1 <6>[ 5.482128] hub 1-1:1.0: 4 ports detected <5>[ 5.485701] Loading compiled-in X.509 certificates <3>[ 5.546083] scpi_protocol scpi: incorrect or no SCP firmware found <4>[ 5.552810] scpi_protocol: probe of scpi failed with error -110 <6>[ 5.568262] input: gpio-keys as /devices/platform/gpio-keys/input/input1 <4>[ 6.214284] atkbd serio0: keyboard reset failed on 1c060000.kmi <6>[ 6.441867] SMSC LAN911x Internal PHY 18000000.ethernet-ffffffff:01: attached PHY driver [SMSC LAN911x Internal PHY] (mii_bus:phy_addr=18000000.ethernet-ffffffff:01, irq=POLL) <6>[ 6.470121] smsc911x 18000000.ethernet eth0: SMSC911x/921x identified at 0xffff800014250000, IRQ: 15 <4>[ 7.462069] atkbd serio1: keyboard reset failed on 1c070000.kmi <6>[ 8.530398] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready <5>[ 8.550087] Sending DHCP requests .. <6>[ 14.140337] 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 <4>[ 14.271140] psmouse serio0: Failed to enable mouse on 1c060000.kmi <4>[ 16.174078] ., OK <6>[ 16.232459] IP-Config: Got DHCP answer from 192.168.56.254, my address is 192.168.56.212 <6>[ 16.240932] IP-Config: Complete: <6>[ 16.244505] device=eth0, hwaddr=00:02:f7:00:58:4d, ipaddr=192.168.56.212, mask=255.255.255.0, gw=192.168.56.254 <6>[ 16.255382] host=192.168.56.212, domain=mayfield.sirena.org.uk, nis-domain=(none) <6>[ 16.263648] bootserver=192.168.56.254, rootserver=192.168.56.230, rootpath= <6>[ 16.263673] nameserver0=192.168.56.254 <6>[ 16.275934] ntpserver0=50.205.244.22, ntpserver1=85.199.214.99 <6>[ 16.283519] clk: Disabling unused clocks <6>[ 16.287917] ALSA device list: <6>[ 16.291291] No soundcards found. <6>[ 16.295791] uart-pl011 7ff80000.serial: no DMA platform data <6>[ 16.336538] Freeing unused kernel memory: 9792K <6>[ 16.341755] Run /init as init process Loading, please wait... Starting systemd-udevd version 252.22-1~deb12u1 <6>[ 19.388535] tda998x 0-0070: found TDA19988 <6>[ 19.528675] 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/eth0 found done. Begin: Waiting up to 180 secs for any network device to become available ... done. IP-Config: eth0 hardware address 00:02:f7:00:58:4d mtu 1500 DHCP IP-Config: eth0 complete (dhcp from 192.168.56.254): address: 192.168.56.212 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. <6>[ 20.752081] 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 <4>[ 20.879369] psmouse serio1: Failed to enable mouse on 1c070000.kmi <30>[ 22.887443] systemd[1]: System time before build time, advancing clock. <30>[ 23.357440] systemd[1]: systemd 252.22-1~deb12u1 running in system mode (+PAM +AUDIT +SELINUX +APPARMOR +IMA +SMACK +SECCOMP +GCRYPT -GNUTLS +OPENSSL +ACL +BLKID +CURL +ELFUTILS +FIDO2 +IDN2 -IDN +IPTC +KMOD +LIBCRYPTSETUP +LIBFDISK +PCRE2 -PWQUALITY +P11KIT +QRENCODE +TPM2 +BZIP2 +LZ4 +XZ +ZLIB +ZSTD -BPF_FRAMEWORK -XKBCOMMON +UTMP +SYSVINIT default-hierarchy=unified) <30>[ 23.390765] systemd[1]: Detected architecture arm64. Welcome to [1mDebian GNU/Linux 12 (bookworm)[0m! <30>[ 23.436437] systemd[1]: Hostname set to . <30>[ 25.232472] systemd[1]: Queued start job for default target graphical.target. <30>[ 25.268526] systemd[1]: Created slice system-getty.slice - Slice /system/getty. [[0;32m OK [0m] Created slice [0;1;39msystem-getty.slice[0m - Slice /system/getty. <30>[ 25.300523] systemd[1]: Created slice system-modprobe.slice - Slice /system/modprobe. [[0;32m OK [0m] Created slice [0;1;39msystem-modpr…lice[0m - Slice /system/modprobe. <30>[ 25.334314] systemd[1]: Created slice system-serial\x2dgetty.slice - Slice /system/serial-getty. [[0;32m OK [0m] Created slice [0;1;39msystem-seria…[0m - Slice /system/serial-getty. <30>[ 25.363643] systemd[1]: Created slice user.slice - User and Session Slice. [[0;32m OK [0m] Created slice [0;1;39muser.slice[0m - User and Session Slice. <30>[ 25.387832] systemd[1]: Started systemd-ask-password-console.path - Dispatch Password Requests to Console Directory Watch. [[0;32m OK [0m] Started [0;1;39msystemd-ask-passwo…quests to Console Directory Watch. <30>[ 25.415504] systemd[1]: Started systemd-ask-password-wall.path - Forward Password Requests to Wall Directory Watch. [[0;32m OK [0m] Started [0;1;39msystemd-ask-passwo… Requests to Wall Directory Watch. <30>[ 25.442620] systemd[1]: proc-sys-fs-binfmt_misc.automount - Arbitrary Executable File Formats File System Automount Point was skipped because of an unmet condition check (ConditionPathExists=/proc/sys/fs/binfmt_misc). <30>[ 25.462574] systemd[1]: Expecting device dev-ttyAMA0.device - /dev/ttyAMA0... Expecting device [0;1;39mdev-ttyAMA0.device[0m - /dev/ttyAMA0... <30>[ 25.486325] systemd[1]: Reached target cryptsetup.target - Local Encrypted Volumes. [[0;32m OK [0m] Reached target [0;1;39mcryptsetup.…get[0m - Local Encrypted Volumes. <30>[ 25.510349] systemd[1]: Reached target integritysetup.target - Local Integrity Protected Volumes. [[0;32m OK [0m] Reached target [0;1;39mintegrityse…Local Integrity Protected Volumes. <30>[ 25.534369] systemd[1]: Reached target paths.target - Path Units. [[0;32m OK [0m] Reached target [0;1;39mpaths.target[0m - Path Units. <30>[ 25.554324] systemd[1]: Reached target remote-fs.target - Remote File Systems. [[0;32m OK [0m] Reached target [0;1;39mremote-fs.target[0m - Remote File Systems. <30>[ 25.578288] systemd[1]: Reached target slices.target - Slice Units. [[0;32m OK [0m] Reached target [0;1;39mslices.target[0m - Slice Units. <30>[ 25.598348] systemd[1]: Reached target swap.target - Swaps. [[0;32m OK [0m] Reached target [0;1;39mswap.target[0m - Swaps. <30>[ 25.618364] systemd[1]: Reached target veritysetup.target - Local Verity Protected Volumes. [[0;32m OK [0m] Reached target [0;1;39mveritysetup… - Local Verity Protected Volumes. <30>[ 25.643377] systemd[1]: Listening on systemd-initctl.socket - initctl Compatibility Named Pipe. [[0;32m OK [0m] Listening on [0;1;39msystemd-initc… initctl Compatibility Named Pipe. <30>[ 25.675194] systemd[1]: Listening on systemd-journald-audit.socket - Journal Audit Socket. [[0;32m OK [0m] Listening on [0;1;39msystemd-journ…socket[0m - Journal Audit Socket. <30>[ 25.701952] systemd[1]: Listening on systemd-journald-dev-log.socket - Journal Socket (/dev/log). [[0;32m OK [0m] Listening on [0;1;39msystemd-journ…t[0m - Journal Socket (/dev/log). <30>[ 25.728941] systemd[1]: Listening on systemd-journald.socket - Journal Socket. [[0;32m OK [0m] Listening on [0;1;39msystemd-journald.socket[0m - Journal Socket. <30>[ 25.757687] systemd[1]: Listening on systemd-networkd.socket - Network Service Netlink Socket. [[0;32m OK [0m] Listening on [0;1;39msystemd-netwo… - Network Service Netlink Socket. <30>[ 25.788422] systemd[1]: Listening on systemd-udevd-control.socket - udev Control Socket. [[0;32m OK [0m] Listening on [0;1;39msystemd-udevd….socket[0m - udev Control Socket. <30>[ 25.816230] systemd[1]: Listening on systemd-udevd-kernel.socket - udev Kernel Socket. [[0;32m OK [0m] Listening on [0;1;39msystemd-udevd…l.socket[0m - udev Kernel Socket. <30>[ 25.859752] systemd[1]: Mounting dev-hugepages.mount - Huge Pages File System... Mounting [0;1;39mdev-hugepages.mount[0m - Huge Pages File System... <30>[ 25.898558] systemd[1]: Mounting dev-mqueue.mount - POSIX Message Queue File System... Mounting [0;1;39mdev-mqueue.mount…POSIX Message Queue File System... <30>[ 25.938780] systemd[1]: Mounting sys-kernel-debug.mount - Kernel Debug File System... Mounting [0;1;39msys-kernel-debug.…[0m - Kernel Debug File System... <30>[ 25.982844] systemd[1]: Mounting sys-kernel-tracing.mount - Kernel Trace File System... Mounting [0;1;39msys-kernel-tracin…[0m - Kernel Trace File System... <30>[ 26.041860] systemd[1]: Starting kmod-static-nodes.service - Create List of Static Device Nodes... Starting [0;1;39mkmod-static-nodes…ate List of Static Device Nodes... <30>[ 26.083633] systemd[1]: Starting modprobe@configfs.service - Load Kernel Module configfs... Starting [0;1;39mmodprobe@configfs…m - Load Kernel Module configfs... <30>[ 26.132060] systemd[1]: Starting modprobe@dm_mod.service - Load Kernel Module dm_mod... Starting [0;1;39mmodprobe@dm_mod.s…[0m - Load Kernel Module dm_mod... <30>[ 26.175607] systemd[1]: Starting modprobe@drm.service - Load Kernel Module drm... Starting [0;1;39mmodprobe@drm.service[0m - Load Kernel Module drm... <30>[ 26.219668] systemd[1]: Starting modprobe@efi_pstore.service - Load Kernel Module efi_pstore... Starting [0;1;39mmodprobe@efi_psto…- Load Kernel Module efi_pstore... <6>[ 26.247797] device-mapper: ioctl: 4.43.0-ioctl (2020-10-01) initialised: dm-devel@redhat.com <30>[ 26.263544] systemd[1]: Starting modprobe@fuse.service - Load Kernel Module fuse... Starting [0;1;39mmodprobe@fuse.ser…e[0m - Load Kernel Module fuse... <30>[ 26.312686] systemd[1]: Starting modprobe@loop.service - Load Kernel Module loop... Starting [0;1;39mmodprobe@loop.ser…e[0m - Load Kernel Module loop... <30>[ 26.369230] systemd[1]: Starting systemd-journald.service - Journal Service... Starting [0;1;39msystemd-journald.service[0m - Journal Service... <6>[ 26.384719] fuse: init (API version 7.32) <30>[ 26.421559] systemd[1]: Starting systemd-modules-load.service - Load Kernel Modules... Starting [0;1;39msystemd-modules-l…rvice[0m - Load Kernel Modules... <30>[ 26.466666] systemd[1]: Starting systemd-network-generator.service - Generate network units from Kernel command line... Starting [0;1;39msystemd-network-g… units from Kernel command line... <30>[ 26.510812] systemd[1]: Starting systemd-remount-fs.service - Remount Root and Kernel File Systems... Starting [0;1;39msystemd-remount-f…nt Root and Kernel File Systems... <30>[ 26.555054] systemd[1]: Starting systemd-udev-trigger.service - Coldplug All udev Devices... Starting [0;1;39msystemd-udev-trig…[0m - Coldplug All udev Devices... <30>[ 26.618688] systemd[1]: Mounted dev-hugepages.mount - Huge Pages File System. [[0;32m OK [0m] Mounted [0;1;39mdev-hugepages.mount[0m - Huge Pages File System. <30>[ 26.644912] systemd[1]: Mounted dev-mqueue.mount - POSIX Message Queue File System. [[0;32m OK [0m] Mounted [0;1;39mdev-mqueue.mount[…- POSIX Message Queue File System. <30>[ 26.673605] systemd[1]: Mounted sys-kernel-debug.mount - Kernel Debug File System. [[0;32m OK [0m] Mounted [0;1;39msys-kernel-debug.m…nt[0m - Kernel Debug File System. <30>[ 26.701037] systemd[1]: Mounted sys-kernel-tracing.mount - Kernel Trace File System. [[0;32m OK [0m] Mounted [0;1;39msys-kernel-tracing…nt[0m - Kernel Trace File System. <30>[ 26.733129] systemd[1]: Finished kmod-static-nodes.service - Create List of Static Device Nodes. [[0;32m OK [0m] Finished [0;1;39mkmod-static-nodes…reate List of Static Device Nodes. <30>[ 26.768264] systemd[1]: modprobe@configfs.service: Deactivated successfully. <30>[ 26.780037] systemd[1]: Finished modprobe@configfs.service - Load Kernel Module configfs. [[0;32m OK [0m] Finished [0;1;39mmodprobe@configfs…[0m - Load Kernel Module configfs. <30>[ 26.813424] systemd[1]: modprobe@dm_mod.service: Deactivated successfully. <30>[ 26.825886] systemd[1]: Finished modprobe@dm_mod.service - Load Kernel Module dm_mod. [[0;32m OK [0m] Finished [0;1;39mmodprobe@dm_mod.s…e[0m - Load Kernel Module dm_mod. <30>[ 26.857958] systemd[1]: modprobe@drm.service: Deactivated successfully. <30>[ 26.868941] systemd[1]: Finished modprobe@drm.service - Load Kernel Module drm. [[0;32m OK [0m] Finished [0;1;39mmodprobe@drm.service[0m - Load Kernel Module drm. <30>[ 26.901410] systemd[1]: modprobe@efi_pstore.service: Deactivated successfully. <30>[ 26.914517] systemd[1]: Finished modprobe@efi_pstore.service - Load Kernel Module efi_pstore. [[0;32m OK [0m] Finished [0;1;39mmodprobe@efi_psto…m - Load Kernel Module efi_pstore. <30>[ 26.946469] systemd[1]: modprobe@fuse.service: Deactivated successfully. <30>[ 26.958567] systemd[1]: Finished modprobe@fuse.service - Load Kernel Module fuse. [[0;32m OK [0m] Finished [0;1;39mmodprobe@fuse.service[0m - Load Kernel Module fuse. <30>[ 26.993137] systemd[1]: modprobe@loop.service: Deactivated successfully. <30>[ 27.006700] systemd[1]: Finished modprobe@loop.service - Load Kernel Module loop. [[0;32m OK [0m] Finished [0;1;39mmodprobe@loop.service[0m - Load Kernel Module loop. <30>[ 27.032054] systemd[1]: Started systemd-journald.service - Journal Service. [[0;32m OK [0m] Started [0;1;39msystemd-journald.service[0m - Journal Service. [[0;32m OK [0m] Finished [0;1;39msystemd-modules-l…service[0m - Load Kernel Modules. [[0;32m OK [0m] Finished [0;1;39msystemd-network-g…rk units from Kernel command line. [[0;32m OK [0m] Finished [0;1;39msystemd-remount-f…ount Root and Kernel File Systems. [[0;32m OK [0m] Reached target [0;1;39mnetwork-pre…get[0m - Preparation for Network. Mounting [0;1;39msys-fs-fuse-conne…[0m - FUSE Control File System... Mounting [0;1;39msys-kernel-config…ernel Configuration File System... Starting [0;1;39msystemd-journal-f…h Journal to Persistent Storage... Starting [0;1;39msystemd-random-se…ice[0m - Load/Save Random Seed... Starting [0;1;39msystemd-sysctl.se…ce[0m - Apply Kernel Variables... Starting [0;1;39msystemd-sysusers.…rvice[0m - Create System Users... [[0;32m OK [0m] Mounted [0;1;39msys-fs-fuse-connec…nt[0m - FUSE Control File System. [[0;32m OK [0m] Mounted [0;1;39msys-kernel-config.… Kernel Configuration File System. <46>[ 27.457563] systemd-journald[255]: Received client request to flush runtime journal. [[0;32m OK [0m] Finished [0;1;39msystemd-sysctl.service[0m - Apply Kernel Variables. [[0;32m OK [0m] Finished [0;1;39msystemd-sysusers.service[0m - Create System Users. Starting [0;1;39msystemd-tmpfiles-…ate Static Device Nodes in /dev... <5>[ 28.782258] random: crng init done [[0;32m OK [0m] Finished [0;1;39msystemd-random-se…rvice[0m - Load/Save Random Seed. [[0;32m OK [0m] Finished [0;1;39msystemd-tmpfiles-…reate Static Device Nodes in /dev. [[0;32m OK [0m] Reached target [0;1;39mlocal-fs-pr…reparation for Local File Systems. [[0;32m OK [0m] Reached target [0;1;39mlocal-fs.target[0m - Local File Systems. Starting [0;1;39msystemd-udevd.ser…ger for Device Events and Files... [[0;32m OK [0m] Finished [0;1;39msystemd-journal-f…ush Journal to Persistent Storage. Starting [0;1;39msystemd-tmpfiles-… Volatile Files and Directories... [[0;32m OK [0m] Finished [0;1;39msystemd-udev-trig…e[0m - Coldplug All udev Devices. [[0;32m OK [0m] Started [0;1;39msystemd-udevd.serv…nager for Device Events and Files. Starting [0;1;39msystemd-networkd.…ice[0m - Network Configuration... [[0;32m OK [0m] Finished [0;1;39msystemd-tmpfiles-…te Volatile Files and Directories. [[0;32m OK [0m] Found device [0;1;39mdev-ttyAMA0.device[0m - /dev/ttyAMA0. Starting [0;1;39msystemd-timesyncd… - Network Time Synchronization... Starting [0;1;39msystemd-update-ut…rd System Boot/Shutdown in UTMP... [[0;32m OK [0m] Finished [0;1;39msystemd-update-ut…cord System Boot/Shutdown in UTMP. <5>[ 31.983736] cfg80211: Loading compiled-in X.509 certificates for regulatory database [[0;32m OK [0m] Started [0;1;39msystemd-timesyncd.…0m - Network Time Synchronization. [[0;32m OK [0m] Reached targe<5>[ 32.104489] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' t [0;1;39msysinit.target[0m - <5>[ 32.115260] cfg80211: Loaded X.509 cert 'wens: 61c038651aabdcf94bd0ac7ff06c7248db18c600' System Initialization. <4>[ 32.128894] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 [[0;32m OK [0m] Started [0;1;39msystemd-tmpfiles-c… Cleanu<4>[ 32.142497] platform regulatory.0: Falling back to sysfs fallback for: regulatory.db p of Temporary Directories. [[0;32m OK [0m] Reached target [0;1;39mtime-set.target[0m - System Time Set. <46>[ 32.202153] systemd-journald[255]: Oldest entry in /var/log/journal/44a983756b26438995e691b947c527e4/system.journal is older than the configured file retention duration (1month), suggesting rotation. <46>[ 32.221093] systemd-journald[255]: /var/log/journal/44a983756b26438995e691b947c527e4/system.journal: Journal header limits reached or header out-of-date, rotating. [[0;32m OK [0m] Started [0;1;39mapt-daily.timer[0m - Daily apt download activities. [[0;32m OK [0m] Started [0;1;39mapt-daily-upgrade.… apt upgrade and clean activities. [[0;32m OK [0m] Started [0;1;39mdpkg-db-backup.tim… Daily dpkg database backup timer. [[0;32m OK [0m] Started [0;1;39me2scrub_all.timer…etadata Check for All Filesystems. [[0;32m OK [0m] Started [0;1;39mfstrim.timer[0m - Discard unused blocks once a week. [[0;32m OK [0m] Reached target [0;1;39mtimers.target[0m - Timer Units. [[0;32m OK [0m] Listening on [0;1;39mdbus.socket[…- D-Bus<6>[ 32.548121] cfg80211: failed to load regulatory.db System Message Bus Socket. [[0;32m OK [0m] Reached target [0;1;39msockets.target[0m - Socket Units. [[0;32m OK [0m] Reached target [0;1;39mbasic.target[0m - Basic System. Starting [0;1;39mdbus.service[0m - D-Bus System Message Bus... Starting [0;1;39me2scrub_reap.serv…e ext4 Metadata Check Snapshots... <46>[ 34.156045] systemd-journald[255]: Oldest entry in /var/log/journal/44a983756b26438995e691b947c527e4/system.journal is older than the configured file retention duration (1month), suggesting rotation. <46>[ 34.174479] systemd-journald[255]: /var/log/journal/44a983756b26438995e691b947c527e4/system.journal: Journal header limits reached or header out-of-date, rotating. Starting [0;1;39msystemd-logind.se…ice[0m - User Login Management... [[0;32m OK [0m] Started [0;1;39msystemd-networkd.service[0m - Network Configuration. [[0;32m OK [0m] Reached target [0;1;39mnetwork.target[0m - Network. [[0;32m OK [0m] Listening on [0;1;39msystemd-rfkil…l Switch Status /dev/rfkill Watch. Starting [0;1;39msystemd-user-sess…vice[0m - Permit User Sessions... [[0;32m OK [0m] Finished [0;1;39msystemd-user-sess…ervice[0m - Permit User Sessions. [[0;32m OK [0m] Finished [0;1;39me2scrub_reap.serv…ine ext4 Metadata Check Snapshots. [[0;32m OK [0m] Started [0;1;39mgetty@tty1.service[0m - Getty on tty1. [[0;32m OK [0m] Started [0;1;39mserial-getty@ttyAM…ice[0m - Serial Getty on ttyAMA0. [[0;32m OK [0m] Reached target [0;1;39mgetty.target[0m - Login Prompts. [[0;32m OK [0m] Started [0;1;39mdbus.service[0m - D-Bus System Message Bus. Starting [0;1;39msystemd-hostnamed.service[0m - Hostname Service... [[0;32m OK [0m] Started [0;1;39msystemd-logind.service[0m - User Login Management. [[0;32m OK [0m] Reached target [0;1;39mmulti-user.target[0m - Multi-User System. [[0;32m OK [0m] Reached target [0;1;39mgraphical.target[0m - Graphical Interface. Starting [0;1;39msystemd-update-ut… Record Runlevel Change in UTMP... [[0;32m OK [0m] Finished [0;1;39msystemd-update-ut… - Record Runlevel Change in UTMP. [[0;32m OK [0m] Started [0;1;39msystemd-hostnamed.service[0m - Hostname Service. Debian GNU/Linux 12 debian-bookworm-arm64 ttyAMA0 debian-bookworm-arm64 login: root (automatic login) Linux debian-bookworm-arm64 5.10.216-cip47 #1 SMP PREEMPT Thu May 30 07:34:50 UTC 2024 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/325228/extract-nfsrootfs-ilgq71_t' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/325228/extract-nfsrootfs-ilgq71_t' / # 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-325228/environment . /lava-325228/environment / # /lava-325228/bin/lava-test-runner /lava-325228/0 /lava-325228/bin/lava-test-runner /lava-325228/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-325228/0/tests/0_timesync-off ++ cat uuid + UUID=325228_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-325228/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=325228_1.6.2.4.5 + set +x + cd ./automated/linux/kselftest/ + ./kselftest.sh -c lkdtm -T '' -t kselftest_armhf.tar.gz -s True -u http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.216-cip47-47-g42df769f88c3/arm64/defconfig+kselftest/gcc-10/kselftest.tar.xz -L '' -S /dev/null -b juno-uboot -g cip-gitlab -e '' -p /opt/kselftests/mainline/ -n 1 -i 1 INFO: install_deps skipped --2024-05-30 08:10:03-- http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.216-cip47-47-g42df769f88c3/arm64/defconfig+kselftest/gcc-10/kselftest.tar.xz Resolving storage.kernelci.org (storage.kernelci.org)... 20.171.243.82 Connecting to storage.kernelci.org (storage.kernelci.org)|20.171.243.82|:80... connected. HTTP request sent, awaiting response... 200 OK Length: 1678000 (1.6M) [application/octet-stream] Saving to: 'kselftest_armhf.tar.gz' kselftest_armhf.tar 0%[ ] 0 --.-KB/s kselftest_armhf.tar 2%[ ] 47.10K 137KB/s kselftest_armhf.tar 6%[> ] 102.39K 163KB/s kselftest_armhf.tar 7%[> ] 126.29K 135KB/s kselftest_armhf.tar 12%[=> ] 207.85K 167KB/s kselftest_armhf.tar 16%[==> ] 264.10K 170KB/s kselftest_armhf.tar 19%[==> ] 327.39K 178KB/s kselftest_armhf.tar 22%[===> ] 366.76K 179KB/s kselftest_armhf.tar 26%[====> ] 427.23K 183KB/s kselftest_armhf.tar 29%[====> ] 483.48K 180KB/s kselftest_armhf.tar 32%[=====> ] 536.92K 183KB/s <4>[ 66.633888] arm-smmu 2b600000.iommu: deferred probe timeout, ignoring dependency <4>[ 66.641666] arm-smmu: probe of 2b600000.iommu failed with error -110 kselftest_armhf.tar 35%[======> ] 583.32K 182KB/s eta 6s kselftest_armhf.tar 37%[======> ] 615.67K 181KB/s eta 6s <4>[ 67.141573] amba 20010000.etf: deferred probe timeout, ignoring dependency <4>[ 67.148946] amba 20030000.tpiu: deferred probe timeout, ignoring dependency <4>[ 67.156320] amba 20040000.funnel: deferred probe timeout, ignoring dependency <4>[ 67.163875] amba 20070000.etr: deferred probe timeout, ignoring dependency <4>[ 67.171159] amba 20100000.stm: deferred probe timeout, ignoring dependency <4>[ 67.178442] amba 20120000.replicator: deferred probe timeout, ignoring dependency <4>[ 67.186338] amba 22010000.cpu-debug: deferred probe timeout, ignoring dependency <4>[ 67.194141] amba 22040000.etm: deferred probe timeout, ignoring dependency <4>[ 67.201440] amba 220c0000.funnel: deferred probe timeout, ignoring dependency <4>[ 67.208977] amba 22110000.cpu-debug: deferred probe timeout, ignoring dependency <4>[ 67.216774] amba 22140000.etm: deferred probe timeout, ignoring dependency <4>[ 67.224049] amba 23010000.cpu-debug: deferred probe timeout, ignoring dependency <4>[ 67.231844] amba 23040000.etm: deferred probe timeout, ignoring dependency <4>[ 67.239117] amba 230c0000.funnel: deferred probe timeout, ignoring dependency <4>[ 67.246651] amba 23110000.cpu-debug: deferred probe timeout, ignoring dependency <4>[ 67.254445] amba 23140000.etm: deferred probe timeout, ignoring dependency <4>[ 67.261751] amba 23210000.cpu-debug: deferred probe timeout, ignoring dependency <4>[ 67.269570] amba 23240000.etm: deferred probe timeout, ignoring dependency <4>[ 67.276862] amba 23310000.cpu-debug: deferred probe timeout, ignoring dependency <4>[ 67.284666] amba 23340000.etm: deferred probe timeout, ignoring dependency kselftest_armhf.tar 38%[======> ] 632.54K 174KB/s eta 6s kselftest_armhf.tar 41%[=======> ] 683.17K 178KB/s eta 6s kselftest_armhf.tar 44%[=======> ] 721.14K 176KB/s eta 6s kselftest_armhf.tar 45%[========> ] 746.45K 177KB/s eta 5s kselftest_armhf.tar 48%[========> ] 790.04K 180KB/s eta 5s kselftest_armhf.tar 49%[========> ] 815.35K 169KB/s eta 5s kselftest_armhf.tar 52%[=========> ] 858.95K 175KB/s eta 5s kselftest_armhf.tar 54%[=========> ] 889.89K 173KB/s eta 5s kselftest_armhf.tar 57%[==========> ] 936.29K 171KB/s eta 4s kselftest_armhf.tar 58%[==========> ] 965.82K 168KB/s eta 4s kselftest_armhf.tar 62%[===========> ] 1016K 173KB/s eta 4s kselftest_armhf.tar 64%[===========> ] 1.03M 171KB/s eta 4s kselftest_armhf.tar 67%[============> ] 1.08M 174KB/s eta 4s kselftest_armhf.tar 69%[============> ] 1.12M 171KB/s eta 3s kselftest_armhf.tar 73%[=============> ] 1.17M 175KB/s eta 3s kselftest_armhf.tar 75%[==============> ] 1.21M 178KB/s eta 3s kselftest_armhf.tar 79%[==============> ] 1.27M 190KB/s eta 3s kselftest_armhf.tar 82%[===============> ] 1.32M 190KB/s eta 3s kselftest_armhf.tar 86%[================> ] 1.38M 198KB/s eta 1s kselftest_armhf.tar 89%[================> ] 1.43M 207KB/s eta 1s kselftest_armhf.tar 93%[=================> ] 1.49M 212KB/s eta 1s kselftest_armhf.tar 96%[==================> ] 1.55M 219KB/s eta 1s kselftest_armhf.tar 100%[===================>] 1.60M 225KB/s in 8.4s 2024-05-30 08:10:12 (195 KB/s) - 'kselftest_armhf.tar.gz' saved [1678000/1678000] skiplist: ======================================== ======================================== lkdtm:PANIC.sh lkdtm:BUG.sh lkdtm:WARNING.sh lkdtm:WARNING_MESSAGE.sh lkdtm:EXCEPTION.sh lkdtm:LOOP.sh lkdtm:EXHAUST_STACK.sh lkdtm:CORRUPT_STACK.sh lkdtm:CORRUPT_STACK_STRONG.sh lkdtm:CORRUPT_LIST_ADD.sh lkdtm:CORRUPT_LIST_DEL.sh lkdtm:STACK_GUARD_PAGE_LEADING.sh lkdtm:STACK_GUARD_PAGE_TRAILING.sh lkdtm:UNSET_SMEP.sh lkdtm:DOUBLE_FAULT.sh lkdtm:CORRUPT_PAC.sh lkdtm:UNALIGNED_LOAD_STORE_WRITE.sh lkdtm:OVERWRITE_ALLOCATION.sh lkdtm:WRITE_AFTER_FREE.sh lkdtm:READ_AFTER_FREE.sh lkdtm:WRITE_BUDDY_AFTER_FREE.sh lkdtm:READ_BUDDY_AFTER_FREE.sh lkdtm:SLAB_FREE_DOUBLE.sh lkdtm:SLAB_FREE_CROSS.sh lkdtm:SLAB_FREE_PAGE.sh lkdtm:SOFTLOCKUP.sh lkdtm:HARDLOCKUP.sh lkdtm:SPINLOCKUP.sh lkdtm:HUNG_TASK.sh lkdtm:EXEC_DATA.sh lkdtm:EXEC_STACK.sh lkdtm:EXEC_KMALLOC.sh lkdtm:EXEC_VMALLOC.sh lkdtm:EXEC_RODATA.sh lkdtm:EXEC_USERSPACE.sh lkdtm:EXEC_NULL.sh lkdtm:ACCESS_USERSPACE.sh lkdtm:ACCESS_NULL.sh lkdtm:WRITE_RO.sh lkdtm:WRITE_RO_AFTER_INIT.sh lkdtm:WRITE_KERN.sh lkdtm:REFCOUNT_INC_OVERFLOW.sh lkdtm:REFCOUNT_ADD_OVERFLOW.sh lkdtm:REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_DEC_ZERO.sh lkdtm:REFCOUNT_DEC_NEGATIVE.sh lkdtm:REFCOUNT_DEC_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_SUB_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_INC_ZERO.sh lkdtm:REFCOUNT_ADD_ZERO.sh lkdtm:REFCOUNT_INC_SATURATED.sh lkdtm:REFCOUNT_DEC_SATURATED.sh lkdtm:REFCOUNT_ADD_SATURATED.sh lkdtm:REFCOUNT_INC_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_DEC_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_SUB_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_TIMING.sh lkdtm:ATOMIC_TIMING.sh lkdtm:USERCOPY_HEAP_SIZE_TO.sh lkdtm:USERCOPY_HEAP_SIZE_FROM.sh lkdtm:USERCOPY_HEAP_WHITELIST_TO.sh lkdtm:USERCOPY_HEAP_WHITELIST_FROM.sh lkdtm:USERCOPY_STACK_FRAME_TO.sh lkdtm:USERCOPY_STACK_FRAME_FROM.sh lkdtm:USERCOPY_STACK_BEYOND.sh lkdtm:USERCOPY_KERNEL.sh lkdtm:STACKLEAK_ERASING.sh lkdtm:CFI_FORWARD_PROTO.sh ============== Tests to run =============== lkdtm:PANIC.sh lkdtm:BUG.sh lkdtm:WARNING.sh lkdtm:WARNING_MESSAGE.sh lkdtm:EXCEPTION.sh lkdtm:LOOP.sh lkdtm:EXHAUST_STACK.sh lkdtm:CORRUPT_STACK.sh lkdtm:CORRUPT_STACK_STRONG.sh lkdtm:CORRUPT_LIST_ADD.sh lkdtm:CORRUPT_LIST_DEL.sh lkdtm:STACK_GUARD_PAGE_LEADING.sh lkdtm:STACK_GUARD_PAGE_TRAILING.sh lkdtm:UNSET_SMEP.sh lkdtm:DOUBLE_FAULT.sh lkdtm:CORRUPT_PAC.sh lkdtm:UNALIGNED_LOAD_STORE_WRITE.sh lkdtm:OVERWRITE_ALLOCATION.sh lkdtm:WRITE_AFTER_FREE.sh lkdtm:READ_AFTER_FREE.sh lkdtm:WRITE_BUDDY_AFTER_FREE.sh lkdtm:READ_BUDDY_AFTER_FREE.sh lkdtm:SLAB_FREE_DOUBLE.sh lkdtm:SLAB_FREE_CROSS.sh lkdtm:SLAB_FREE_PAGE.sh lkdtm:SOFTLOCKUP.sh lkdtm:HARDLOCKUP.sh lkdtm:SPINLOCKUP.sh lkdtm:HUNG_TASK.sh lkdtm:EXEC_DATA.sh lkdtm:EXEC_STACK.sh lkdtm:EXEC_KMALLOC.sh lkdtm:EXEC_VMALLOC.sh lkdtm:EXEC_RODATA.sh lkdtm:EXEC_USERSPACE.sh lkdtm:EXEC_NULL.sh lkdtm:ACCESS_USERSPACE.sh lkdtm:ACCESS_NULL.sh lkdtm:WRITE_RO.sh lkdtm:WRITE_RO_AFTER_INIT.sh lkdtm:WRITE_KERN.sh lkdtm:REFCOUNT_INC_OVERFLOW.sh lkdtm:REFCOUNT_ADD_OVERFLOW.sh lkdtm:REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_DEC_ZERO.sh lkdtm:REFCOUNT_DEC_NEGATIVE.sh lkdtm:REFCOUNT_DEC_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_SUB_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_INC_ZERO.sh lkdtm:REFCOUNT_ADD_ZERO.sh lkdtm:REFCOUNT_INC_SATURATED.sh lkdtm:REFCOUNT_DEC_SATURATED.sh lkdtm:REFCOUNT_ADD_SATURATED.sh lkdtm:REFCOUNT_INC_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_DEC_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_SUB_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_TIMING.sh lkdtm:ATOMIC_TIMING.sh lkdtm:USERCOPY_HEAP_SIZE_TO.sh lkdtm:USERCOPY_HEAP_SIZE_FROM.sh lkdtm:USERCOPY_HEAP_WHITELIST_TO.sh lkdtm:USERCOPY_HEAP_WHITELIST_FROM.sh lkdtm:USERCOPY_STACK_FRAME_TO.sh lkdtm:USERCOPY_STACK_FRAME_FROM.sh lkdtm:USERCOPY_STACK_BEYOND.sh lkdtm:USERCOPY_KERNEL.sh lkdtm:STACKLEAK_ERASING.sh lkdtm:CFI_FORWARD_PROTO.sh ===========End Tests to run =============== shardfile-lkdtm pass <12>[ 88.889397] kselftest: Running tests in lkdtm TAP version 13 1..70 # selftests: lkdtm: PANIC.sh # Skipping PANIC: crashes entire system ok 1 selftests: lkdtm: PANIC.sh # SKIP # selftests: lkdtm: BUG.sh <6>[ 90.457930] lkdtm: Performing direct entry BUG <4>[ 90.462975] ------------[ cut here ]------------ <2>[ 90.467892] kernel BUG at drivers/misc/lkdtm/bugs.c:76! <0>[ 90.473707] Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP <4>[ 90.480780] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 90.492567] CPU: 0 PID: 708 Comm: cat Tainted: G W 5.10.216-cip47 #1 <4>[ 90.500504] Hardware name: ARM Juno development board (r0) (DT) <4>[ 90.506706] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 90.513002] pc : lkdtm_BUG+0x8/0x10 <4>[ 90.516767] lr : lkdtm_do_action+0x24/0x40 <4>[ 90.521137] sp : ffff80001461bd10 <4>[ 90.524723] x29: ffff80001461bd10 x28: ffff0008003de200 <4>[ 90.530327] x27: 0000000000000000 x26: 0000000000000000 <4>[ 90.535930] x25: ffff80001150a190 x24: ffff80001461be20 <4>[ 90.541533] x23: 0000000000000004 x22: ffff0008060f1000 <4>[ 90.547136] x21: ffff800011a27890 x20: ffff80001150a1a0 <4>[ 90.552738] x19: 0000000000000001 x18: ffff800012b07570 <4>[ 90.558340] x17: 0000000000000000 x16: 0000000000000000 <4>[ 90.563943] x15: 0000000000000028 x14: 0000000000047a20 <4>[ 90.569545] x13: ffff800012a1db50 x12: 00000000f29e55c9 <4>[ 90.575148] x11: ffff0008003dea88 x10: ffff80001262c360 <4>[ 90.580751] x9 : ffff800010a07254 x8 : ffff8000125d4360 <4>[ 90.586353] x7 : ffff80001262c360 x6 : ffff8000125a5000 <4>[ 90.591955] x5 : ffff8000125a5c88 x4 : ffff00097ef08c68 <4>[ 90.597558] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 90.603160] x1 : ffff0008003de200 x0 : ffff800010a07900 <4>[ 90.608762] Call trace: <4>[ 90.611483] lkdtm_BUG+0x8/0x10 <4>[ 90.614900] direct_entry+0xd0/0x140 <4>[ 90.618752] full_proxy_write+0x68/0xbc <4>[ 90.622866] vfs_write+0xec/0x20c <4>[ 90.626455] ksys_write+0x70/0x100 <4>[ 90.630131] __arm64_sys_write+0x24/0x30 <4>[ 90.634333] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 90.639404] do_el0_svc+0x2c/0xa4 <4>[ 90.642995] el0_svc+0x20/0x30 <4>[ 90.646323] el0_sync_handler+0xb0/0xb4 <4>[ 90.650435] el0_sync+0x180/0x1c0 <0>[ 90.654029] Code: d503201f d503201f aa1e03e9 d503201f (d4210000) <4>[ 90.660408] ---[ end trace 65b1a0a095d4f625 ]--- <6>[ 90.665304] note: cat[708] exited with preempt_count 1 <3>[ 90.670721] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 90.679882] in_atomic(): 0, irqs_disabled(): 128, non_block: 0, pid: 708, name: cat <4>[ 90.687821] INFO: lockdep is turned off. <4>[ 90.692018] irq event stamp: 1922 <4>[ 90.695612] hardirqs last enabled at (1921): [] console_unlock+0x530/0x694 <4>[ 90.704427] hardirqs last disabled at (1922): [] el1_dbg+0x24/0x50 <4>[ 90.712458] softirqs last enabled at (1918): [] __do_softirq+0x4e8/0x568 <4>[ 90.721099] softirqs last disabled at (1911): [] __irq_exit_rcu+0x174/0x1a0 <4>[ 90.729914] CPU: 0 PID: 708 Comm: cat Tainted: G D W 5.10.216-cip47 #1 <4>[ 90.737853] Hardware name: ARM Juno development board (r0) (DT) <4>[ 90.744051] Call trace: <4>[ 90.746772] dump_backtrace+0x0/0x200 <4>[ 90.750710] show_stack+0x20/0x30 <4>[ 90.754304] dump_stack+0x110/0x160 <4>[ 90.758070] ___might_sleep+0x140/0x210 <4>[ 90.762183] __might_sleep+0x5c/0x94 <4>[ 90.766037] exit_signals+0x34/0x250 <4>[ 90.769889] do_exit+0xd0/0xb10 <4>[ 90.773306] make_task_dead+0x5c/0x90 <4>[ 90.777244] die+0x22c/0x26c <4>[ 90.780399] bug_handler+0x58/0x80 <4>[ 90.784077] call_break_hook+0x70/0x84 <4>[ 90.788103] brk_handler+0x24/0x64 <4>[ 90.791784] do_debug_exception+0xd4/0x150 <4>[ 90.796158] el1_dbg+0x34/0x50 <4>[ 90.799488] el1_sync_handler+0xc8/0xe4 <4>[ 90.803601] el1_sync+0x88/0x140 <4>[ 90.807106] lkdtm_BUG+0x8/0x10 <4>[ 90.810524] direct_entry+0xd0/0x140 <4>[ 90.814377] full_proxy_write+0x68/0xbc <4>[ 90.818491] vfs_write+0xec/0x20c <4>[ 90.822082] ksys_write+0x70/0x100 <4>[ 90.825760] __arm64_sys_write+0x24/0x30 <4>[ 90.829963] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 90.835035] do_el0_svc+0x2c/0xa4 <4>[ 90.838625] el0_svc+0x20/0x30 <4>[ 90.841956] el0_sync_handler+0xb0/0xb4 <4>[ 90.846068] el0_sync+0x180/0x1c0 <4>[ 90.851344] ------------[ cut here ]------------ <4>[ 90.856255] WARNING: CPU: 0 PID: 0 at kernel/rcu/tree.c:625 rcu_eqs_enter.constprop.0+0xfc/0x150 # Segmenta<4>[ 90.865324] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 90.877866] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G D W 5.10.216-cip47 #1 tion fault<4>[ 90.886152] Hardware name: ARM Juno development board (r0) (DT) <4>[ 90.893207] pstate: 200003c5 (nzCv DAIF -PAN -UAO -TCO BTYPE=--) <4>[ 90.899496] pc : rcu_eqs_enter.constprop.0+0xfc/0x150 <4>[ 90.904981] lr : rcu_idle_enter+0x24/0xf4 <4>[ 90.909263] sp : ffff800012583e10 <4>[ 90.912850] x29: ffff800012583e10 x28: 0000000081df0018 <4>[ 90.918453] x27: 00000000fef4a810 x26: 0000000000000000 <4>[ 90.924056] x25: 0000000000000000 x24: 0000001527291f30 <4>[ 90.929659] x23: 0000000000000000 x22: ffff000806fca080 <4>[ 90.935262] x21: ffff00097ef1c1c0 x20: ffff800011df5400 <4>[ 90.940865] x19: ffff00097ef1e400 x18: 0000000000000000 <4>[ 90.946468] x17: 0000000000000000 x16: 0000000000000000 <4>[ 90.952070] x15: 0000000000000001 x14: 0000000000000002 <4>[ 90.957673] x13: 0000000000000003 x12: 0000000000000040 <4>[ 90.963275] x11: ffff000800400000 x10: 0000000000001440 <4>[ 90.968878] x9 : ffff800010e3f5e0 x8 : 0000000000000000 <4>[ 90.974480] x7 : ffff80001258b000 x6 : 00000001c0b7eddb <4>[ 90.980083] x5 : 00ffffffffffffff x4 : 0000000000000015 <4>[ 90.985685] x3 : 0000000004578a88 x2 : 0000000000000004 <4>[ 90.991288] x1 : 4000000000000002 x0 : 4000000000000000 <4>[ 90.996890] Call trace: <4>[ 90.999611] rcu_eqs_enter.constprop.0+0xfc/0x150 <4>[ 91.004594] rcu_idle_enter+0x24/0xf4 <4>[ 91.008536] cpuidle_enter_state+0x22c/0x31c <4>[ 91.013084] cpuidle_enter+0x40/0x60 <4>[ 91.016936] do_idle+0x240/0x2d0 <4>[ 91.020440] cpu_startup_entry+0x30/0x6c <4>[ 91.024639] rest_init+0x174/0x2a0 <4>[ 91.028319] arch_call_rest_init+0x18/0x24 <4>[ 91.032693] start_kernel+0x568/0x5a0 <4>[ 91.036628] irq event stamp: 1057226 <4>[ 91.040484] hardirqs last enabled at (1057225): [] tick_nohz_idle_exit+0x78/0x19c <4>[ 91.049907] hardirqs last disabled at (1057226): [] __schedule+0x35c/0x950 <4>[ 91.058634] softirqs last enabled at (1057222): [] _local_bh_enable+0x2c/0x50 <4>[ 91.067708] softirqs last disabled at (1057221): [] irq_enter_rcu+0x7c/0xa0 <4>[ 91.076516] ---[ end trace 65b1a0a095d4f626 ]--- # [ 90.457930] lkdtm: Performing direct entry BUG # [ 90.462975] ------------[ cut here ]------------ # [ 90.467892] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 90.473707] Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP # [ 90.480780] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 90.492567] CPU: 0 PID: 708 Comm: cat Tainted: G W 5.10.216-cip47 #1 # [ 90.500504] Hardware name: ARM Juno development board (r0) (DT) # [ 90.506706] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 90.513002] pc : lkdtm_BUG+0x8/0x10 # [ 90.516767] lr : lkdtm_do_action+0x24/0x40 # [ 90.521137] sp : ffff80001461bd10 # [ 90.524723] x29: ffff80001461bd10 x28: ffff0008003de200 # [ 90.530327] x27: 0000000000000000 x26: 0000000000000000 # [ 90.535930] x25: ffff80001150a190 x24: ffff80001461be20 # [ 90.541533] x23: 0000000000000004 x22: ffff0008060f1000 # [ 90.547136] x21: ffff800011a27890 x20: ffff80001150a1a0 # [ 90.552738] x19: 0000000000000001 x18: ffff800012b07570 # [ 90.558340] x17: 0000000000000000 x16: 0000000000000000 # [ 90.563943] x15: 0000000000000028 x14: 0000000000047a20 # [ 90.569545] x13: ffff800012a1db50 x12: 00000000f29e55c9 # [ 90.575148] x11: ffff0008003dea88 x10: ffff80001262c360 # [ 90.580751] x9 : ffff800010a07254 x8 : ffff8000125d4360 # [ 90.586353] x7 : ffff80001262c360 x6 : ffff8000125a5000 # [ 90.591955] x5 : ffff8000125a5c88 x4 : ffff00097ef08c68 # [ 90.597558] x3 : 0000000000000000 x2 : 0000000000000000 # [ 90.603160] x1 : ffff0008003de200 x0 : ffff800010a07900 # [ 90.608762] Call trace: # [ 90.611483] lkdtm_BUG+0x8/0x10 # [ 90.614900] direct_entry+0xd0/0x140 # [ 90.618752] full_proxy_write+0x68/0xbc # [ 90.622866] vfs_write+0xec/0x20c # [ 90.626455] ksys_write+0x70/0x100 # [ 90.630131] __arm64_sys_write+0x24/0x30 # [ 90.634333] el0_svc_common.constprop.0+0x84/0x1e0 # [ 90.639404] do_el0_svc+0x2c/0xa4 # [ 90.642995] el0_svc+0x20/0x30 # [ 90.646323] el0_sync_handler+0xb0/0xb4 # [ 90.650435] el0_sync+0x180/0x1c0 # [ 90.654029] Code: d503201f d503201f aa1e03e9 d503201f (d4210000) # [ 90.660408] ---[ end trace 65b1a0a095d4f625 ]--- # [ 90.665304] note: cat[708] exited with preempt_count 1 # [ 90.670721] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 90.679882] in_atomic(): 0, irqs_disabled(): 128, non_block: 0, pid: 708, name: cat # [ 90.687821] INFO: lockdep is turned off. # [ 90.692018] irq event stamp: 1922 # [ 90.695612] hardirqs last enabled at (1921): [] console_unlock+0x530/0x694 # [ 90.704427] hardirqs last disabled at (1922): [] el1_dbg+0x24/0x50 # [ 90.712458] softirqs last enabled at (1918): [] __do_softirq+0x4e8/0x568 # [ 90.721099] softirqs last disabled at (1911): [] __irq_exit_rcu+0x174/0x1a0 # [ 90.729914] CPU: 0 PID: 708 Comm: cat Tainted: G D W 5.10.216-cip47 #1 # [ 90.737853] Hardware name: ARM Juno development board (r0) (DT) # [ 90.744051] Call trace: # [ 90.746772] dump_backtrace+0x0/0x200 # [ 90.750710] show_stack+0x20/0x30 # [ 90.754304] dump_stack+0x110/0x160 # [ 90.758070] ___might_sleep+0x140/0x210 # [ 90.762183] __might_sleep+0x5c/0x94 # [ 90.766037] exit_signals+0x34/0x250 # [ 90.769889] do_exit+0xd0/0xb10 # [ 90.773306] make_task_dead+0x5c/0x90 # [ 90.777244] die+0x22c/0x26c # [ 90.780399] bug_handler+0x58/0x80 # [ 90.784077] call_break_hook+0x70/0x84 # [ 90.788103] brk_handler+0x24/0x64 # [ 90.791784] do_debug_exception+0xd4/0x150 # [ 90.796158] el1_dbg+0x34/0x50 # [ 90.799488] el1_sync_handler+0xc8/0xe4 # [ 90.803601] el1_sync+0x88/0x140 # [ 90.807106] lkdtm_BUG+0x8/0x10 # [ 90.810524] direct_entry+0xd0/0x140 # [ 90.814377] full_proxy_write+0x68/0xbc # [ 90.818491] vfs_write+0xec/0x20c # [ 90.822082] ksys_write+0x70/0x100 # [ 90.825760] __arm64_sys_write+0x24/0x30 # [ 90.829963] el0_svc_common.constprop.0+0x84/0x1e0 # [ 90.835035] do_el0_svc+0x2c/0xa4 # [ 90.838625] el0_svc+0x20/0x30 # [ 90.841956] el0_sync_handler+0xb0/0xb4 # [ 90.846068] el0_sync+0x180/0x1c0 # [ 90.851344] ------------[ cut here ]------------ # [ 90.856255] WARNING: CPU: 0 PID: 0 at kernel/rcu/tree.c:625 rcu_eqs_en<6>[ 91.557199] lkdtm: Performing direct entry WARNING ter.constprop.0+0xfc/0x150 # [ <4>[ 91.564287] ------------[ cut here ]------------ 90.865324] Modules linked in: <4>[ 91.571849] WARNING: CPU: 5 PID: 747 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x28/0x34 cfg80211 rfkill fuse dm_mod ip_t<4>[ 91.583320] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc ables x_tables crct10dif_ce tda9<4>[ 91.597775] CPU: 5 PID: 747 Comm: cat Tainted: G D W 5.10.216-cip47 #1 98x cec drm_kms_helper drm smsc <4>[ 91.608473] Hardware name: ARM Juno development board (r0) (DT) # [ 90.877866] CPU: 0 PID: 0 <4>[ 91.617443] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) Comm: swapper/0 Tainted: G <4>[ 91.626496] pc : lkdtm_WARNING+0x28/0x34 D W 5.10.216-cip47 #1 #<4>[ 91.633459] lr : lkdtm_do_action+0x24/0x40 [ 90.886152] Hardware name: A<4>[ 91.640591] sp : ffff800014703d10 RM Juno development board (r0) (<4>[ 91.646946] x29: ffff800014703d10 x28: ffff000800bfb100 DT) # [ 90.893207] pstate: 20<4>[ 91.655302] x27: 0000000000000000 x26: 0000000000000000 0003c5 (nzCv DAIF -PAN -UAO -TCO<4>[ 91.663658] x25: ffff80001150a190 x24: ffff800014703e20 BTYPE=--) # [ 90.899496] pc :<4>[ 91.672014] x23: 0000000000000008 x22: ffff000802af4000 rcu_eqs_enter.constprop.0+0xfc/0<4>[ 91.680458] x21: ffff800011a27898 x20: ffff80001150a1b0 x150 # [ 90.904981] lr : rcu_i<4>[ 91.688900] x19: 0000000000000002 x18: 0000000000000000 dle_enter+0x24/0xf4 # [ 90.909<4>[ 91.697344] x17: 0000000000000000 x16: 0000000000000000 263] sp : ffff800012583e10 # [ <4>[ 91.705788] x15: 0000000000000030 x14: ffffffffffffffff 90.912850] x29: ffff800012583e10<4>[ 91.714231] x13: ffff800094703a0a x12: ffff800014703a12 x28: 0000000081df0018 # [ 90<4>[ 91.722674] x11: ffff8000125d41c0 x10: ffff80001262c360 .918453] x27: 00000000fef4a810 x2<4>[ 91.731118] x9 : ffff800010a07254 x8 : ffff8000125d4360 6: 0000000000000000 # [ 90.92<4>[ 91.739561] x7 : ffff80001262c360 x6 : ffff8000125a5000 4056] x25: 0000000000000000 x24: <4>[ 91.748003] x5 : ffff8000125a5c88 x4 : ffff00097efb2c68 0000001527291f30 # [ 90.92965<4>[ 91.756445] x3 : 0000000000000000 x2 : 0000000000000000 9] x23: 0000000000000000 x22: fff<4>[ 91.764889] x1 : ffff8000134eb000 x0 : 0000000000000001 f000806fca080 # [ 90.935262] <4>[ 91.773331] Call trace: x21: ffff00097ef1c1c0 x20: ffff80<4>[ 91.778909] lkdtm_WARNING+0x28/0x34 0011df5400 # [ 90.940865] x1<4>[ 91.785612] direct_entry+0xd0/0x140 9: ffff00097ef1e400 x18: 00000000<4>[ 91.792228] full_proxy_write+0x68/0xbc 00000000 # [ 90.946468] x17: <4>[ 91.799193] vfs_write+0xec/0x20c 0000000000000000 x16: 00000000000<4>[ 91.805633] ksys_write+0x70/0x100 00000 # [ 90.952070] x15: 000<4>[ 91.812162] __arm64_sys_write+0x24/0x30 0000000000001 x14: 00000000000000<4>[ 91.819217] el0_svc_common.constprop.0+0x84/0x1e0 02 # [ 90.957673] x13: 000000<4>[ 91.827136] do_el0_svc+0x2c/0xa4 0000000003 x12: 0000000000000040 <4>[ 91.833579] el0_svc+0x20/0x30 # [ 90.963275] x11: ffff00080<4>[ 91.839758] el0_sync_handler+0xb0/0xb4 0400000 x10: 0000000000001440 #<4>[ 91.846722] el0_sync+0x180/0x1c0 [ 90.968878] x9 : ffff800010e3<4>[ 91.853162] irq event stamp: 0 f5e0 x8 : 0000000000000000 # [ <4>[ 91.859350] hardirqs last enabled at (0): [<0000000000000000>] 0x0 90.974480] x7 : ffff80001258b00<4>[ 91.868751] hardirqs last disabled at (0): [] copy_process+0x5d4/0x1de0 0 x6 : 00000001c0b7eddb # [ <4>[ 91.880064] softirqs last enabled at (0): [] copy_process+0x5d4/0x1de0 90.980083] x5 : 00ffffffffffffff <4>[ 91.891289] softirqs last disabled at (0): [<0000000000000000>] 0x0 x4 : 0000000000000015 # [ 90.<4>[ 91.900687] ---[ end trace 65b1a0a095d4f627 ]--- 985685] x3 : 0000000004578a88 x2 : 0000000000000004 # [ 90.991288] x1 : 4000000000000002 x0 : 4000000000000000 # [ 90.996890] Call trace: # [ 90.999611] rcu_eqs_enter.constprop.0+0xfc/0x150 # [ 91.004594] rcu_idle_enter+0x24/0xf4 # [ 91.008536] cpuidle_enter_state+0x22c/0x31c # [ 91.013084] cpuidle_enter+0x40/0x60 # [ 91.016936] do_idle+0x240/0x2d0 # [ 91.020440] cpu_startup_entry+0x30/0x6c # [ 91.024639] rest_init+0x174/0x2a0 # [ 91.028319] arch_call_rest_init+0x18/0x24 # [ 91.032693] start_kernel+0x568/0x5a0 # [ 91.036628] irq event stamp: 1057226 # [ 91.040484] hardirqs last enabled at (1057225): [] tick_nohz_idle_exit+0x78/0x19c # [ 91.049907] hardirqs last disabled at (1057226): [] __schedule+0x35c/0x950 # [ 91.058634] softirqs last enabled at (1057222): [] _local_bh_enable+0x2c/0x50 # [ 91.067708] softirqs last disabled at (1057221): [] irq_enter_rcu+0x7c/0xa0 # [ 91.076516] ---[ end trace 65b1a0a095d4f626 ]--- # BUG: saw 'kernel BUG at': ok ok 2 selftests: lkdtm: BUG.sh # selftests: lkdtm: WARNING.sh # [ 91.557199] lkdtm: Performing direct entry WARNING # [ 91.564287] ------------[ cut here ]------------ # [ 91.571849] WARNING: CPU: 5 PID: 747 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x28/0x34 # [ 91.583320] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 91.597775] CPU: 5 PID: 747 Comm: cat Tainted: G D W 5.10.216-cip47 #1 # [ 91.608473] Hardware name: ARM Juno development board (r0) (DT) # [ 91.617443] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 91.626496] pc : lkdtm_WARNING+0x28/0x34 # [ 91.633459] lr : lkdtm_do_action+0x24/0x40 # [ 91.640591] sp : ffff800014703d10 # [ 91.646946] x29: ffff800014703d10 x28: ffff000800bfb100 # [ 91.655302] x27: 0000000000000000 x26: 0000000000000000 # [ 91.663658] x25: ffff80001150a190 x24: ffff800014703e20 # [ 91.672014] x23: 0000000000000008 x22: ffff000802af4000 # [ 91.680458] x21: ffff800011a27898 x20: ffff80001150a1b0 # [ 91.688900] x19: 0000000000000002 x18: 0000000000000000 # [ 91.697344] x17: 0000000000000000 x16: 0000000000000000 # [ 91.705788] x15: 0000000000000030 x14: ffffffffffffffff # [ 91.714231] x13: ffff800094703a0a x12: ffff800014703a12 # [ 91.722674] x11: ffff8000125d41c0 x10: ffff80001262c360 # [ 91.731118] x9 : ffff800010a07254 x8 : ffff8000125d4360 # [ 91.739561] x7 : ffff80001262c360 x6 : ffff8000125a5000 # [ 91.748003] x5 : ffff8000125a5c88 x4 : ffff00097efb2c68 # [ 91.756445] x3 : 0000000000000000 x2 : 0000000000000000 # [ 91.764889] x1 : ffff8000134eb000 x0 : 0000000000000001 # [ 91.773331] Call trace: # [ 91.778909] lkdtm_WARNING+0x28/0x34 # [ 91.785612] direct_entry+0xd0/0x140 # [ 91.792228] full_proxy_write+0x68/0xbc # [ 91.799193] vfs_write+0xec/0x20c # [ 91.805633] ksys_write+0x70/0x100 # [ 91.812162] __arm64_sys_write+0x24/0x30 # [ 91.819217] el0_svc_common.constprop.0+0x84/0x1e0 # [ 91.827136] do_el0_svc+0x2c/0xa4 # [ 91.833579] el0_svc+0x20/0x30 # [ 91.839758] el0_sync_handler+0xb0/0xb4 # [ 91.846722] el0_sync+0x180/0x1c0 # [ 91.853162] irq event stamp: 0 # [ 91.859350] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 91.868751] hardirqs last disabled at (0): [] copy_process+0x5d4/0x1de0 # [ 91.880064] softirqs last enabled at (0): [] copy_process+0x5d4/0x1de0 # [ 91.891289] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 91.900687] ---[ end trace 65b1a0a095d4f627 ]--- # WARNING: saw 'WARNING:': ok ok 3 selftests: lkdtm: WARNING.sh # selftests: lkdtm: WARNING_MESSAGE.sh <6>[ 92.294333] lkdtm: Performing direct entry WARNING_MESSAGE <4>[ 92.300169] ------------[ cut here ]------------ <4>[ 92.305189] Warning message trigger count: 2 <4>[ 92.309904] WARNING: CPU: 5 PID: 783 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x30/0x40 <4>[ 92.319326] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 92.331117] CPU: 5 PID: 783 Comm: cat Tainted: G D W 5.10.216-cip47 #1 <4>[ 92.339058] Hardware name: ARM Juno development board (r0) (DT) <4>[ 92.345265] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 92.351560] pc : lkdtm_WARNING_MESSAGE+0x30/0x40 <4>[ 92.356457] lr : lkdtm_WARNING_MESSAGE+0x30/0x40 <4>[ 92.361349] sp : ffff800014783d00 <4>[ 92.364936] x29: ffff800014783d00 x28: ffff0008075ee200 <4>[ 92.370540] x27: 0000000000000000 x26: 0000000000000000 <4>[ 92.376143] x25: ffff80001150a190 x24: ffff800014783e20 <4>[ 92.381745] x23: 0000000000000010 x22: ffff0008075a0000 <4>[ 92.387348] x21: ffff800011a278a0 x20: ffff80001150a1c0 <4>[ 92.392951] x19: 0000000000000003 x18: 0000000000000000 <4>[ 92.398554] x17: 0000000000000000 x16: 0000000000000000 <4>[ 92.404157] x15: 0000000000000030 x14: ffffffffffffffff <4>[ 92.409760] x13: ffff8000947839aa x12: ffff8000147839b2 <4>[ 92.415362] x11: ffff8000125d41c0 x10: ffff80001262c360 <4>[ 92.420966] x9 : ffff80001012c154 x8 : ffff8000125d4360 <4>[ 92.426569] x7 : ffff80001262c360 x6 : ffff8000125a5000 <4>[ 92.432171] x5 : ffff8000125a5c88 x4 : ffff00097efb2c68 <4>[ 92.437773] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 92.443375] x1 : 0000000000000000 x0 : ffff0008075ee200 <4>[ 92.448978] Call trace: <4>[ 92.451701] lkdtm_WARNING_MESSAGE+0x30/0x40 <4>[ 92.456249] lkdtm_do_action+0x24/0x40 <4>[ 92.460275] direct_entry+0xd0/0x140 <4>[ 92.464127] full_proxy_write+0x68/0xbc <4>[ 92.468241] vfs_write+0xec/0x20c <4>[ 92.471831] ksys_write+0x70/0x100 <4>[ 92.475508] __arm64_sys_write+0x24/0x30 <4>[ 92.479709] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 92.484779] do_el0_svc+0x2c/0xa4 <4>[ 92.488370] el0_svc+0x20/0x30 <4>[ 92.491699] el0_sync_handler+0xb0/0xb4 <4>[ 92.495810] el0_sync+0x180/0x1c0 <4>[ 92.499398] irq event stamp: 0 <4>[ 92.502730] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 92.509283] hardirqs last disabled at (0): [] copy_process+0x5d4/0x1de0 <4>[ 92.517749] softirqs last enabled at (0): [] copy_process+0x5d4/0x1de0 <4>[ 92.526211] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 92.532757] ---[ end trace 65b1a0a095d4f628 ]--- # [ 92.294333] lkdtm: Performing direct entry WARNING_MESSAGE # [ 92.300169] ------------[ cut here ]------------ # [ 92.305189] Warning message trigger count: 2 # [ 92.309904] WARNING: CPU: 5 PID: 783 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x30/0x40 # [ 92.319326] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 92.331117] CPU: 5 PID: 783 Comm: cat Tainted: G D W 5.10.216-cip47 #1 # [ 92.339058] Hardware name: ARM Juno development board (r0) (DT) # [ 92.345265] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 92.351560] pc : lkdtm_WARNING_MESSAGE+0x30/0x40 # [ 92.356457] lr : lkdtm_WARNING_MESSAGE+0x30/0x40 # [ 92.361349] sp : ffff800014783d00 # [ 92.364936] x29: ffff800014783d00 x28: ffff0008075ee200 # [ 92.370540] x27: 0000000000000000 x26: 0000000000000000 # [ 92.376143] x25: ffff80001150a190 x24: ffff800014783e20 # [ 92.381745] x23: 0000000000000010 x22: ffff0008075a0000 # [ 92.387348] x21: ffff800011a278a0 x20: ffff80001150a1c0 # [ 92.392951] x19: 0000000000000003 x18: 0000000000000000 # [ 92.398554] x17: 0000000000000000 x16: 0000000000000000 # [ 92.404157] x15: 0000000000000030 x14: ffffffffffffffff # [ 92.409760] x13: ffff8000947839aa x12: ffff8000147839b2 # [ 92.415362] x11: ffff8000125d41c0 x10: ffff80001262c360 # [ 92.420966] x9 : ffff80001012c154 x8 : ffff8000125d4360 # [ 92.426569] x7 : ffff80001262c360 x6 : ffff8000125a5000 # [ 92.432171] x5 : ffff8000125a5c88 x4 : ffff00097efb2c68 # [ 92.437773] x3 : 0000000000000000 x2 : 0000000000000000 # [ 92.443375] x1 : 0000000000000000 x0 : ffff0008075ee200 # [ 92.448978] Call trace: # [ 92.451701] lkdtm_WARNING_MESSAGE+0x30/0x40 # [ 92.456249] lkdtm_do_action+0x24/0x40 # [ 92.460275] direct_entry+0xd0/0x140 # [ 92.464127] full_proxy_write+0x68/0xbc # [ 92.468241] vfs_write+0xec/0x20c # [ 92.471831] ksys_write+0x70/0x100 # [ 92.475508] __arm64_sys_write+0x24/0x30 # [ 92.479709] el0_svc_common.constprop.0+0x84/0x1e0 # [ 92.484779] do_el0_svc+0x2c/0xa4 # [ 92.488370] el0_svc+0x20/0x30 # [ 92.491699] el0_sync_handler+0xb0/0xb4 # [ 92.495810] el0_sync+0x180/0x1c0 # [ 92.499398] irq event stamp: 0 # [ 92.502730] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 92.509283] hardirqs last disabled at (0): [] copy_process+0x5d4/0x1de0 # [ 92.517749] softirqs last enabled at (0): [] copy_process+0x5d4/0x1de0 # [ 92.526211] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 92.532757] ---[ end trace 65b1a0a095d4f628 ]--- # WARNING_MESSAGE: saw 'message trigger': ok ok 4 selftests: lkdtm: WARNING_MESSAGE.sh # selftests: lkdtm: EXCEPTION.sh <6>[ 92.947006] lkdtm: Performing direct entry EXCEPTION <1>[ 92.952323] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000 <1>[ 92.961448] Mem abort info: <1>[ 92.964528] ESR = 0x96000044 <1>[ 92.967918] EC = 0x25: DABT (current EL), IL = 32 bits <1>[ 92.973651] SET = 0, FnV = 0 <1>[ 92.977032] EA = 0, S1PTW = 0 <1>[ 92.980444] Data abort info: <1>[ 92.983622] ISV = 0, ISS = 0x00000044 <1>[ 92.987750] CM = 0, WnR = 1 <1>[ 92.991010] user pgtable: 4k pages, 48-bit VAs, pgdp=0000000884c7f000 <1>[ 92.997765] [0000000000000000] pgd=0000000000000000, p4d=0000000000000000 <0>[ 93.004878] Internal error: Oops: 0000000096000044 [#2] PREEMPT SMP <4>[ 93.011422] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 93.023177] CPU: 1 PID: 816 Comm: cat Tainted: G D W 5.10.216-cip47 #1 <4>[ 93.031110] Hardware name: ARM Juno development board (r0) (DT) <4>[ 93.037308] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 93.043603] pc : lkdtm_EXCEPTION+0x14/0x1c <4>[ 93.047970] lr : lkdtm_do_action+0x24/0x40 <4>[ 93.052334] sp : ffff8000147ebd10 <4>[ 93.055915] x29: ffff8000147ebd10 x28: ffff00080754b100 <4>[ 93.061510] x27: 0000000000000000 x26: 0000000000000000 <4>[ 93.067103] x25: ffff80001150a190 x24: ffff8000147ebe20 <4>[ 93.072696] x23: 000000000000000a x22: ffff000807cb8000 <4>[ 93.078288] x21: ffff800011a278b0 x20: ffff80001150a1d0 <4>[ 93.083880] x19: 0000000000000004 x18: 0000000000000000 <4>[ 93.089471] x17: 0000000000000000 x16: 0000000000000000 <4>[ 93.095063] x15: 0000000000000030 x14: ffffffffffffffff <4>[ 93.100655] x13: ffff8000947eba0a x12: ffff8000147eba12 <4>[ 93.106247] x11: ffff8000125d41c0 x10: ffff80001262c360 <4>[ 93.111839] x9 : ffff800010a07254 x8 : ffff8000125d4360 <4>[ 93.117431] x7 : ffff80001262c360 x6 : ffff8000125a5000 <4>[ 93.123022] x5 : ffff8000125a5c88 x4 : ffff00097efb2c68 <4>[ 93.128614] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 93.134205] x1 : ffff00080754b100 x0 : 0000000000000000 <4>[ 93.139797] Call trace: <4>[ 93.142512] lkdtm_EXCEPTION+0x14/0x1c <4>[ 93.146530] direct_entry+0xd0/0x140 <4>[ 93.150376] full_proxy_write+0x68/0xbc <4>[ 93.154482] vfs_write+0xec/0x20c <4>[ 93.158065] ksys_write+0x70/0x100 <4>[ 93.161735] __arm64_sys_write+0x24/0x30 <4>[ 93.165929] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 93.170992] do_el0_svc+0x2c/0xa4 <4>[ 93.174576] el0_svc+0x20/0x30 <4>[ 93.177897] el0_sync_handler+0xb0/0xb4 <4>[ 93.182002] el0_sync+0x180/0x1c0 <0>[ 93.185588] Code: d503201f d2800000 d503233f d50323bf (b900001f) <4>[ 93.191958] ---[ end trace 65b1a0a095d4f629 ]--- # Segmentation fault # [ 92.947006] lkdtm: Performing direct entry EXCEPTION # [ 92.952323] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000 # [ 92.961448] Mem abort info: # [ 92.964528] ESR = 0x96000044 # [ 92.967918] EC = 0x25: DABT (current EL), IL = 32 bits # [ 92.973651] SET = 0, FnV = 0 # [ 92.977032] EA = 0, S1PTW = 0 # [ 92.980444] Data abort info: # [ 92.983622] ISV = 0, ISS = 0x00000044 # [ 92.987750] CM = 0, WnR = 1 # [ 92.991010] user pgtable: 4k pages, 48-bit VAs, pgdp=0000000884c7f000 # [ 92.997765] [0000000000000000] pgd=0000000000000000, p4d=0000000000000000 # [ 93.004878] Internal error: Oops: 0000000096000044 [#2] PREEMPT SMP # [ 93.011422] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 93.023177] CPU: 1 PID: 816 Comm: cat Tainted: G D W 5.10.216-cip47 #1 # [ 93.031110] Hardware name: ARM Juno development board (r0) (DT) # [ 93.037308] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 93.043603] pc : lkdtm_EXCEPTION+0x14/0x1c # [ 93.047970] lr : lkdtm_do_action+0x24/0x40 # [ 93.052334] sp : ffff8000147ebd10 # [ 93.055915] x29: ffff8000147ebd10 x28: ffff00080754b100 # [ 93.061510] x27: 0000000000000000 x26: 0000000000000000 # [ 93.067103] x25: ffff80001150a190 x24: ffff8000147ebe20 # [ 93.072696] x23: 000000000000000a x22: ffff000807cb8000 # [ 93.078288] x21: ffff800011a278b0 x20: ffff80001150a1d0 # [ 93.083880] x19: 0000000000000004 x18: 0000000000000000 # [ 93.089471] x17: 0000000000000000 x16: 0000000000000000 # [ 93.095063] x15: 0000000000000030 x14: ffffffffffffffff # [ 93.100655] x13: ffff8000947eba0a x12: ffff8000147eba12 # [ 93.106247] x11: ffff8000125d41c0 x10: ffff80001262c360 # [ 93.111839] x9 : ffff800010a07254 x8 : ffff8000125d4360 # [ 93.117431] x7 : ffff80001262c360 x6 : ffff8000125a5000 # [ 93.123022] x5 : ffff8000125a5c88 x4 : ffff00097efb2c68 # [ 93.128614] x3 : 0000000000000000 x2 : 0000000000000000 # [ 93.134205] x1 : ffff00080754b100 x0 : 0000000000000000 # [ 93.139797] Call trace: # [ 93.142512] lkdtm_EXCEPTION+0x14/0x1c # [ 93.146530] direct_entry+0xd0/0x140 # [ 93.150376] full_proxy_write+0x68/0xbc # [ 93.154482] vfs_write+0xec/0x20c # [ 93.158065] ksys_write+0x70/0x100 # [ 93.161735] __arm64_sys_write+0x24/0x30 # [ 93.165929] el0_svc_common.constprop.0+0x84/0x1e0 # [ 93.170992] do_el0_svc+0x2c/0xa4 # [ 93.174576] el0_svc+0x20/0x30 # [ 93.177897] el0_sync_handler+0xb0/0xb4 # [ 93.182002] el0_sync+0x180/0x1c0 # [ 93.185588] Code: d503201f d2800000 d503233f d50323bf (b900001f) # [ 93.191958] ---[ end trace 65b1a0a095d4f629 ]--- # 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 <6>[ 94.456975] lkdtm: Performing direct entry CORRUPT_LIST_ADD <6>[ 94.462890] lkdtm: attempting good list addition <6>[ 94.467837] lkdtm: attempting corrupted list addition <3>[ 94.473215] lkdtm: list_add() corruption not detected! # [ 94.456975] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 94.462890] lkdtm: attempting good list addition # [ 94.467837] lkdtm: attempting corrupted list addition # [ 94.473215] lkdtm: list_add() corruption not detected! # CORRUPT_LIST_ADD: missing 'list_add corruption': [FAIL] not ok 10 selftests: lkdtm: CORRUPT_LIST_ADD.sh # exit=1 # selftests: lkdtm: CORRUPT_LIST_DEL.sh <6>[ 94.886315] lkdtm: Performing direct entry CORRUPT_LIST_DEL <6>[ 94.892239] lkdtm: attempting good list removal <6>[ 94.897105] lkdtm: attempting corrupted list removal <3>[ 94.902563] lkdtm: list_del() corruption not detected! # [ 94.886315] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 94.892239] lkdtm: attempting good list removal # [ 94.897105] lkdtm: attempting corrupted list removal # [ 94.902563] lkdtm: list_del() corruption not detected! # CORRUPT_LIST_DEL: missing 'list_del corruption': [FAIL] not ok 11 selftests: lkdtm: CORRUPT_LIST_DEL.sh # exit=1 # selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh <6>[ 95.297939] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING <6>[ 95.304566] lkdtm: attempting bad read from page below current stack <1>[ 95.311383] Unable to handle kernel paging request at virtual address ffff800014baffff <1>[ 95.319633] Mem abort info: <1>[ 95.322869] ESR = 0x96000007 <1>[ 95.326252] EC = 0x25: DABT (current EL), IL = 32 bits <1>[ 95.331872] SET = 0, FnV = 0 <1>[ 95.335216] EA = 0, S1PTW = 0 <1>[ 95.338648] Data abort info: <1>[ 95.341821] ISV = 0, ISS = 0x00000007 <1>[ 95.345944] CM = 0, WnR = 0 <1>[ 95.349204] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081de9000 <1>[ 95.356208] [ffff800014baffff] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=0000000884688003, pte=0000000000000000 <0>[ 95.369089] Internal error: Oops: 0000000096000007 [#3] PREEMPT SMP <4>[ 95.375636] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 95.387387] CPU: 1 PID: 1058 Comm: cat Tainted: G D W 5.10.216-cip47 #1 <4>[ 95.395408] Hardware name: ARM Juno development board (r0) (DT) <4>[ 95.401604] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 95.407899] pc : lkdtm_STACK_GUARD_PAGE_LEADING+0x34/0x58 <4>[ 95.413576] lr : lkdtm_STACK_GUARD_PAGE_LEADING+0x2c/0x58 <4>[ 95.419244] sp : ffff800014bb3ce0 <4>[ 95.422826] x29: ffff800014bb3ce0 x28: ffff000804f93100 <4>[ 95.428423] x27: 0000000000000000 x26: 0000000000000000 <4>[ 95.434016] x25: ffff80001150a190 x24: ffff800014bb3e20 <4>[ 95.439609] x23: 0000000000000019 x22: ffff0008058b8000 <4>[ 95.445201] x21: ffff800011a27930 x20: ffff80001150a240 <4>[ 95.450793] x19: ffff800014bb0000 x18: 0000000000000000 <4>[ 95.456385] x17: 0000000000000000 x16: 0000000000000000 <4>[ 95.461977] x15: 0000000000000030 x14: ffffffffffffffff <4>[ 95.467569] x13: ffff800094bb39ca x12: ffff800014bb39d2 <4>[ 95.473161] x11: ffff8000125d41c0 x10: ffff80001262c360 <4>[ 95.478753] x9 : ffff80001012c154 x8 : ffff8000125d4360 <4>[ 95.484345] x7 : ffff80001262c360 x6 : ffff8000125a5000 <4>[ 95.489936] x5 : ffff8000125a5c88 x4 : ffff00097efb2c68 <4>[ 95.495528] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 95.501120] x1 : ffff000804f93100 x0 : ffff800011a283f0 <4>[ 95.506712] Call trace: <4>[ 95.509426] lkdtm_STACK_GUARD_PAGE_LEADING+0x34/0x58 <4>[ 95.514752] lkdtm_do_action+0x24/0x40 <4>[ 95.518772] direct_entry+0xd0/0x140 <4>[ 95.522617] full_proxy_write+0x68/0xbc <4>[ 95.526724] vfs_write+0xec/0x20c <4>[ 95.530307] ksys_write+0x70/0x100 <4>[ 95.533977] __arm64_sys_write+0x24/0x30 <4>[ 95.538172] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 95.543235] do_el0_svc+0x2c/0xa4 <4>[ 95.546818] el0_svc+0x20/0x30 <4>[ 95.550140] el0_sync_handler+0xb0/0xb4 <4>[ 95.554245] el0_sync+0x180/0x1c0 <0>[ 95.557832] Code: 910ec000 97ffe0a3 d0003e60 910fc000 (385ff261) <4>[ 95.564202] ---[ end trace 65b1a0a095d4f62a ]--- # Segmentation fault # [ 95.297939] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 95.304566] lkdtm: attempting bad read from page below current stack # [ 95.311383] Unable to handle kernel paging request at virtual address ffff800014baffff # [ 95.319633] Mem abort info: # [ 95.322869] ESR = 0x96000007 # [ 95.326252] EC = 0x25: DABT (current EL), IL = 32 bits # [ 95.331872] SET = 0, FnV = 0 # [ 95.335216] EA = 0, S1PTW = 0 # [ 95.338648] Data abort info: # [ 95.341821] ISV = 0, ISS = 0x00000007 # [ 95.345944] CM = 0, WnR = 0 # [ 95.349204] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081de9000 # [ 95.356208] [ffff800014baffff] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=0000000884688003, pte=0000000000000000 # [ 95.369089] Internal error: Oops: 0000000096000007 [#3] PREEMPT SMP # [ 95.375636] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 95.387387] CPU: 1 PID: 1058 Comm: cat Tainted: G D W 5.10.216-cip47 #1 # [ 95.395408] Hardware name: ARM Juno development board (r0) (DT) # [ 95.401604] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 95.407899] pc : lkdtm_STACK_GUARD_PAGE_LEADING+0x34/0x58 # [ 95.413576] lr : lkdtm_STACK_GUARD_PAGE_LEADING+0x2c/0x58 # [ 95.419244] sp : ffff800014bb3ce0 # [ 95.422826] x29: ffff800014bb3ce0 x28: ffff000804f93100 # [ 95.428423] x27: 0000000000000000 x26: 0000000000000000 # [ 95.434016] x25: ffff80001150a190 x24: ffff800014bb3e20 # [ 95.439609] x23: 0000000000000019 x22: ffff0008058b8000 # [ 95.445201] x21: ffff800011a27930 x20: ffff80001150a240 # [ 95.450793] x19: ffff800014bb0000 x18: 0000000000000000 # [ 95.456385] x17: 0000000000000000 x16: 0000000000000000 # [ 95.461977] x15: 0000000000000030 x14: ffffffffffffffff # [ 95.467569] x13: ffff800094bb39ca x12: ffff800014bb39d2 # [ 95.473161] x11: ffff8000125d41c0 x10: ffff80001262c360 # [ 95.478753] x9 : ffff80001012c154 x8 : ffff8000125d4360 # [ 95.484345] x7 : ffff80001262c360 x6 : ffff8000125a5000 # [ 95.489936] x5 : ffff8000125a5c88 x4 : ffff00097efb2c68 # [ 95.495528] x3 : 0000000000000000 x2 : 0000000000000000 # [ 95.501120] x1 : ffff000804f93100 x0 : ffff800011a283f0 # [ 95.506712] Call trace: # [ 95.509426] lkdtm_STACK_GUARD_PAGE_LEADING+0x34/0x58 # [ 95.514752] lkdtm_do_action+0x24/0x40 # [ 95.518772] direct_entry+0xd0/0x140 # [ 95.522617] full_proxy_write+0x68/0xbc # [ 95.526724] vfs_write+0xec/0x20c # [ 95.530307] ksys_write+0x70/0x100 # [ 95.533977] __arm64_sys_write+0x24/0x30 # [ 95.538172] el0_svc_common.constprop.0+0x84/0x1e0 # [ 95.543235] do_el0_svc+0x2c/0xa4 # [ 95.546818] el0_svc+0x20/0x30 # [ 95.550140] el0_sync_handler+0xb0/0xb4 # [ 95.554245] el0_sync+0x180/0x1c0 # [ 95.557832] Code: 910ec000 97ffe0a3 d0003e60 910fc000 (385ff261) # [ 95.564202] ---[ end trace 65b1a0a095d4f62a ]--- # STACK_GUARD_PAGE_LEADING: saw 'call trace:': ok ok 12 selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh # selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh <6>[ 95.994316] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING <6>[ 96.001011] lkdtm: attempting bad read from page above current stack <1>[ 96.007746] Unable to handle kernel paging request at virtual address ffff800014c6c000 <1>[ 96.016012] Mem abort info: <1>[ 96.019216] ESR = 0x96000007 <1>[ 96.022675] EC = 0x25: DABT (current EL), IL = 32 bits <1>[ 96.028285] SET = 0, FnV = 0 <1>[ 96.031629] EA = 0, S1PTW = 0 <1>[ 96.035054] Data abort info: <1>[ 96.038220] ISV = 0, ISS = 0x00000007 <1>[ 96.042358] CM = 0, WnR = 0 <1>[ 96.045617] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081de9000 <1>[ 96.052613] [ffff800014c6c000] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=000000088294a003, pte=0000000000000000 <0>[ 96.065490] Internal error: Oops: 0000000096000007 [#4] PREEMPT SMP <4>[ 96.072032] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 96.083789] CPU: 2 PID: 1104 Comm: cat Tainted: G D W 5.10.216-cip47 #1 <4>[ 96.091809] Hardware name: ARM Juno development board (r0) (DT) <4>[ 96.098004] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 96.104291] pc : lkdtm_STACK_GUARD_PAGE_TRAILING+0x38/0x5c <4>[ 96.110053] lr : lkdtm_STACK_GUARD_PAGE_TRAILING+0x2c/0x5c <4>[ 96.115814] sp : ffff800014c6bce0 <4>[ 96.119395] x29: ffff800014c6bce0 x28: ffff0008024f6200 <4>[ 96.124990] x27: 0000000000000000 x26: 0000000000000000 <4>[ 96.130584] x25: ffff80001150a190 x24: ffff800014c6be20 <4>[ 96.136176] x23: 000000000000001a x22: ffff000805886000 <4>[ 96.141768] x21: ffff800011a27950 x20: ffff80001150a250 <4>[ 96.147360] x19: ffff800014c6c000 x18: 0000000000000002 <4>[ 96.152951] x17: 0000000000000000 x16: 0000000000000000 <4>[ 96.158543] x15: 0000000000000030 x14: ffffffffffffffff <4>[ 96.164135] x13: ffff800094c6b9ca x12: ffff800014c6b9d4 <4>[ 96.169727] x11: ffff8000125d41c0 x10: ffff80001262c360 <4>[ 96.175319] x9 : ffff80001012c154 x8 : ffff8000125d4360 <4>[ 96.180911] x7 : ffff80001262c360 x6 : ffff8000125a5000 <4>[ 96.186502] x5 : ffff8000125a5c88 x4 : ffff00097ef90c68 <4>[ 96.192093] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 96.197685] x1 : ffff0008024f6200 x0 : ffff800011a28468 <4>[ 96.203276] Call trace: <4>[ 96.205990] lkdtm_STACK_GUARD_PAGE_TRAILING+0x38/0x5c <4>[ 96.211404] lkdtm_do_action+0x24/0x40 <4>[ 96.215423] direct_entry+0xd0/0x140 <4>[ 96.219269] full_proxy_write+0x68/0xbc <4>[ 96.223375] vfs_write+0xec/0x20c <4>[ 96.226958] ksys_write+0x70/0x100 <4>[ 96.230628] __arm64_sys_write+0x24/0x30 <4>[ 96.234824] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 96.239887] do_el0_svc+0x2c/0xa4 <4>[ 96.243470] el0_svc+0x20/0x30 <4>[ 96.246791] el0_sync_handler+0xb0/0xb4 <4>[ 96.250896] el0_sync+0x180/0x1c0 <0>[ 96.254483] Code: 97ffe08d 91401273 b0003e60 9111a000 (39400261) <4>[ 96.260852] ---[ end trace 65b1a0a095d4f62b ]--- # Segmentation fault # [ 95.994316] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING # [ 96.001011] lkdtm: attempting bad read from page above current stack # [ 96.007746] Unable to handle kernel paging request at virtual address ffff800014c6c000 # [ 96.016012] Mem abort info: # [ 96.019216] ESR = 0x96000007 # [ 96.022675] EC = 0x25: DABT (current EL), IL = 32 bits # [ 96.028285] SET = 0, FnV = 0 # [ 96.031629] EA = 0, S1PTW = 0 # [ 96.035054] Data abort info: # [ 96.038220] ISV = 0, ISS = 0x00000007 # [ 96.042358] CM = 0, WnR = 0 # [ 96.045617] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081de9000 # [ 96.052613] [ffff800014c6c000] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=000000088294a003, pte=0000000000000000 # [ 96.065490] Internal error: Oops: 0000000096000007 [#4] PREEMPT SMP # [ 96.072032] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 96.083789] CPU: 2 PID: 1104 Comm: cat Tainted: G D W 5.10.216-cip47 #1 # [ 96.091809] Hardware name: ARM Juno development board (r0) (DT) # [ 96.098004] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 96.104291] pc : lkdtm_STACK_GUARD_PAGE_TRAILING+0x38/0x5c # [ 96.110053] lr : lkdtm_STACK_GUARD_PAGE_TRAILING+0x2c/0x5c # [ 96.115814] sp : ffff800014c6bce0 # [ 96.119395] x29: ffff800014c6bce0 x28: ffff0008024f6200 # [ 96.124990] x27: 0000000000000000 x26: 0000000000000000 # [ 96.130584] x25: ffff80001150a190 x24: ffff800014c6be20 # [ 96.136176] x23: 000000000000001a x22: ffff000805886000 # [ 96.141768] x21: ffff800011a27950 x20: ffff80001150a250 # [ 96.147360] x19: ffff800014c6c000 x18: 0000000000000002 # [ 96.152951] x17: 0000000000000000 x16: 0000000000000000 # [ 96.158543] x15: 0000000000000030 x14: ffffffffffffffff # [ 96.164135] x13: ffff800094c6b9ca x12: ffff800014c6b9d4 # [ 96.169727] x11: ffff8000125d41c0 x10: ffff80001262c360 # [ 96.175319] x9 : ffff80001012c154 x8 : ffff8000125d4360 # [ 96.180911] x7 : ffff80001262c360 x6 : ffff8000125a5000 # [ 96.186502] x5 : ffff8000125a5c88 x4 : ffff00097ef90c68 # [ 96.192093] x3 : 0000000000000000 x2 : 0000000000000000 # [ 96.197685] x1 : ffff0008024f6200 x0 : ffff800011a28468 # [ 96.203276] Call trace: # [ 96.205990] lkdtm_STACK_GUARD_PAGE_TRAILING+0x38/0x5c # [ 96.211404] lkdtm_do_action+0x24/0x40 # [ 96.215423] direct_entry+0xd0/0x140 # [ 96.219269] full_proxy_write+0x68/0xbc # [ 96.223375] vfs_write+0xec/0x20c # [ 96.226958] ksys_write+0x70/0x100 # [ 96.230628] __arm64_sys_write+0x24/0x30 # [ 96.234824] el0_svc_common.constprop.0+0x84/0x1e0 # [ 96.239887] do_el0_svc+0x2c/0xa4 # [ 96.243470] el0_svc+0x20/0x30 # [ 96.246791] el0_sync_handler+0xb0/0xb4 # [ 96.250896] el0_sync+0x180/0x1c0 # [ 96.254483] Code: 97ffe08d 91401273 b0003e60 9111a000 (39400261) # [ 96.260852] ---[ end trace 65b1a0a095d4f62b ]--- # STACK_GUARD_PAGE_TRAILING: saw 'call trace:': ok ok 13 selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # selftests: lkdtm: UNSET_SMEP.sh <6>[ 96.680921] lkdtm: Performing direct entry UNSET_SMEP <3>[ 96.686303] lkdtm: XFAIL: this test is x86_64-only # [ 96.680921] lkdtm: Performing direct entry UNSET_SMEP # [ 96.686303] lkdtm: XFAIL: this test is x86_64-only # UNSET_SMEP: saw 'XFAIL': [SKIP] ok 14 selftests: lkdtm: UNSET_SMEP.sh # SKIP # selftests: lkdtm: DOUBLE_FAULT.sh <6>[ 97.081153] lkdtm: Performing direct entry DOUBLE_FAULT <3>[ 97.086708] lkdtm: XFAIL: this test is ia32-only # [ 97.081153] lkdtm: Performing direct entry DOUBLE_FAULT # [ 97.086708] 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 <6>[ 97.489082] lkdtm: Performing direct entry CORRUPT_PAC <3>[ 97.494562] lkdtm: FAIL: CPU lacks pointer authentication feature # [ 97.489082] lkdtm: Performing direct entry CORRUPT_PAC # [ 97.494562] 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 <6>[ 97.918240] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE <3>[ 97.925030] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS # [ 97.918240] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # [ 97.925030] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS # UNALIGNED_LOAD_STORE_WRITE: saw 'XFAIL': [SKIP] ok 17 selftests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh # SKIP # selftests: lkdtm: OVERWRITE_ALLOCATION.sh # Skipping OVERWRITE_ALLOCATION: Corrupts memory on failure ok 18 selftests: lkdtm: OVERWRITE_ALLOCATION.sh # SKIP # selftests: lkdtm: WRITE_AFTER_FREE.sh # Skipping WRITE_AFTER_FREE: Corrupts memory on failure ok 19 selftests: lkdtm: WRITE_AFTER_FREE.sh # SKIP # selftests: lkdtm: READ_AFTER_FREE.sh <6>[ 98.754604] lkdtm: Performing direct entry READ_AFTER_FREE <6>[ 98.760429] lkdtm: Value in memory before free: 12345678 <6>[ 98.766086] lkdtm: Attempting bad read from freed memory <6>[ 98.771731] lkdtm: Memory was not poisoned # [ 98.754604] lkdtm: Performing direct entry READ_AFTER_FREE # [ 98.760429] lkdtm: Value in memory before free: 12345678 # [ 98.766086] lkdtm: Attempting bad read from freed memory # [ 98.771731] lkdtm: Memory was not poisoned # READ_AFTER_FREE: missing 'call trace:': [FAIL] not ok 20 selftests: lkdtm: READ_AFTER_FREE.sh # exit=1 # selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh # Skipping WRITE_BUDDY_AFTER_FREE: Corrupts memory on failure ok 21 selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh # SKIP # selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh <6>[ 99.378579] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE <6>[ 99.384933] lkdtm: Value in memory before free: 12345678 <6>[ 99.390582] lkdtm: Attempting to read from freed memory <6>[ 99.396135] lkdtm: Buddy page was not poisoned # [ 99.378579] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE # [ 99.384933] lkdtm: Value in memory before free: 12345678 # [ 99.390582] lkdtm: Attempting to read from freed memory # [ 99.396135] lkdtm: Buddy page was not poisoned # READ_BUDDY_AFTER_FREE: missing 'call trace:': [FAIL] not ok 22 selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh # exit=1 # selftests: lkdtm: SLAB_FREE_DOUBLE.sh <6>[ 99.804696] lkdtm: Performing direct entry SLAB_FREE_DOUBLE <6>[ 99.810645] lkdtm: Attempting double slab free ... # [ 99.804696] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 99.810645] lkdtm: Attempting double slab free ... # SLAB_FREE_DOUBLE: missing 'call trace:': [FAIL] not ok 23 selftests: lkdtm: SLAB_FREE_DOUBLE.sh # exit=1 # selftests: lkdtm: SLAB_FREE_CROSS.sh <6>[ 100.198104] lkdtm: Performing direct entry SLAB_FREE_CROSS <6>[ 100.203952] lkdtm: Attempting cross-cache slab free ... # [ 100.198104] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 100.203952] lkdtm: Attempting cross-cache slab free ... # SLAB_FREE_CROSS: missing 'call trace:': [FAIL] not ok 24 selftests: lkdtm: SLAB_FREE_CROSS.sh # exit=1 # selftests: lkdtm: SLAB_FREE_PAGE.sh <6>[ 100.608835] lkdtm: Performing direct entry SLAB_FREE_PAGE <6>[ 100.614578] lkdtm: Attempting non-Slab slab free ... # [ 100.608835] lkdtm: Performing direct entry SLAB_FREE_PAGE # [ 100.614578] lkdtm: Attempting non-Slab slab free ... # SLAB_FREE_PAGE: missing 'call trace:': [FAIL] not ok 25 selftests: lkdtm: SLAB_FREE_PAGE.sh # exit=1 # selftests: lkdtm: SOFTLOCKUP.sh # Skipping SOFTLOCKUP: Hangs the system ok 26 selftests: lkdtm: SOFTLOCKUP.sh # SKIP # selftests: lkdtm: HARDLOCKUP.sh # Skipping HARDLOCKUP: Hangs the system ok 27 selftests: lkdtm: HARDLOCKUP.sh # SKIP # selftests: lkdtm: SPINLOCKUP.sh # Skipping SPINLOCKUP: Hangs the system ok 28 selftests: lkdtm: SPINLOCKUP.sh # SKIP # selftests: lkdtm: HUNG_TASK.sh # Skipping HUNG_TASK: Hangs the system ok 29 selftests: lkdtm: HUNG_TASK.sh # SKIP # selftests: lkdtm: EXEC_DATA.sh <6>[ 101.832245] lkdtm: Performing direct entry EXEC_DATA <6>[ 101.837565] lkdtm: attempting ok execution at ffff800010a08190 <6>[ 101.843917] lkdtm: attempting bad execution at ffff8000134eb8e0 <1>[ 101.850181] Unable to handle kernel execute from non-executable memory at virtual address ffff8000134eb8e0 <1>[ 101.860242] Mem abort info: <1>[ 101.863536] ESR = 0x8600000f <1>[ 101.866958] EC = 0x21: IABT (current EL), IL = 32 bits <1>[ 101.872587] SET = 0, FnV = 0 <1>[ 101.875935] EA = 0, S1PTW = 0 <1>[ 101.879421] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081de9000 <1>[ 101.886441] [ffff8000134eb8e0] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=00000009ffff9003, pte=00780000836eb703 <0>[ 101.899333] Internal error: Oops: 000000008600000f [#5] PREEMPT SMP <4>[ 101.905881] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 101.917635] CPU: 1 PID: 1678 Comm: cat Tainted: G D W 5.10.216-cip47 #1 <4>[ 101.925660] Hardware name: ARM Juno development board (r0) (DT) <4>[ 101.931860] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 101.938149] pc : data_area+0x0/0x40 <4>[ 101.941913] lr : execute_location+0x84/0xa4 <4>[ 101.946366] sp : ffff800015653cd0 <4>[ 101.949951] x29: ffff800015653cd0 x28: ffff00080254c980 <4>[ 101.955546] x27: 0000000000000000 x26: 0000000000000000 <4>[ 101.961139] x25: ffff80001150a190 x24: ffff800015653e20 <4>[ 101.966732] x23: 000000000000000a x22: ffff0008025fe000 <4>[ 101.972325] x21: 0000000000000001 x20: ffff800010a08190 <4>[ 101.977917] x19: ffff8000134eb8e0 x18: 0000000000000000 <4>[ 101.983509] x17: 0000000000000000 x16: 0000000000000000 <4>[ 101.989100] x15: 0000000000000030 x14: ffffffffffffffff <4>[ 101.994692] x13: ffff8000956539ba x12: ffff8000156539c2 <4>[ 102.000284] x11: ffff8000125d41c0 x10: ffff80001262c360 <4>[ 102.005876] x9 : ffff80001012c154 x8 : ffff8000125d4360 <4>[ 102.011469] x7 : ffff80001262c360 x6 : ffff8000125a5000 <4>[ 102.017061] x5 : ffff8000125a5c88 x4 : ffff00097ef08c68 <4>[ 102.022653] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 102.028245] x1 : ffff00080254c980 x0 : 0000000000000033 <4>[ 102.033837] Call trace: <4>[ 102.036551] data_area+0x0/0x40 <4>[ 102.039961] lkdtm_EXEC_DATA+0x24/0x30 <4>[ 102.043982] lkdtm_do_action+0x24/0x40 <4>[ 102.048001] direct_entry+0xd0/0x140 <4>[ 102.051846] full_proxy_write+0x68/0xbc <4>[ 102.055952] vfs_write+0xec/0x20c <4>[ 102.059534] ksys_write+0x70/0x100 <4>[ 102.063204] __arm64_sys_write+0x24/0x30 <4>[ 102.067399] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 102.072461] do_el0_svc+0x2c/0xa4 <4>[ 102.076044] el0_svc+0x20/0x30 <4>[ 102.079366] el0_sync_handler+0xb0/0xb4 <4>[ 102.083471] el0_sync+0x180/0x1c0 <0>[ 102.087057] Code: 026e2900 ffff0008 026e2a00 ffff0008 (aa1e03e9) <4>[ 102.093427] ---[ end trace 65b1a0a095d4f62c ]--- # Segmentation fault # [ 101.832245] lkdtm: Performing direct entry EXEC_DATA # [ 101.837565] lkdtm: attempting ok execution at ffff800010a08190 # [ 101.843917] lkdtm: attempting bad execution at ffff8000134eb8e0 # [ 101.850181] Unable to handle kernel execute from non-executable memory at virtual address ffff8000134eb8e0 # [ 101.860242] Mem abort info: # [ 101.863536] ESR = 0x8600000f # [ 101.866958] EC = 0x21: IABT (current EL), IL = 32 bits # [ 101.872587] SET = 0, FnV = 0 # [ 101.875935] EA = 0, S1PTW = 0 # [ 101.879421] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081de9000 # [ 101.886441] [ffff8000134eb8e0] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=00000009ffff9003, pte=00780000836eb703 # [ 101.899333] Internal error: Oops: 000000008600000f [#5] PREEMPT SMP # [ 101.905881] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 101.917635] CPU: 1 PID: 1678 Comm: cat Tainted: G D W 5.10.216-cip47 #1 # [ 101.925660] Hardware name: ARM Juno development board (r0) (DT) # [ 101.931860] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 101.938149] pc : data_area+0x0/0x40 # [ 101.941913] lr : execute_location+0x84/0xa4 # [ 101.946366] sp : ffff800015653cd0 # [ 101.949951] x29: ffff800015653cd0 x28: ffff00080254c980 # [ 101.955546] x27: 0000000000000000 x26: 0000000000000000 # [ 101.961139] x25: ffff80001150a190 x24: ffff800015653e20 # [ 101.966732] x23: 000000000000000a x22: ffff0008025fe000 # [ 101.972325] x21: 0000000000000001 x20: ffff800010a08190 # [ 101.977917] x19: ffff8000134eb8e0 x18: 0000000000000000 # [ 101.983509] x17: 0000000000000000 x16: 0000000000000000 # [ 101.989100] x15: 0000000000000030 x14: ffffffffffffffff # [ 101.994692] x13: ffff8000956539ba x12: ffff8000156539c2 # [ 102.000284] x11: ffff8000125d41c0 x10: ffff80001262c360 # [ 102.005876] x9 : ffff80001012c154 x8 : ffff8000125d4360 # [ 102.011469] x7 : ffff80001262c360 x6 : ffff8000125a5000 # [ 102.017061] x5 : ffff8000125a5c88 x4 : ffff00097ef08c68 # [ 102.022653] x3 : 0000000000000000 x2 : 0000000000000000 # [ 102.028245] x1 : ffff00080254c980 x0 : 0000000000000033 # [ 102.033837] Call trace: # [ 102.036551] data_area+0x0/0x40 # [ 102.039961] lkdtm_EXEC_DATA+0x24/0x30 # [ 102.043982] lkdtm_do_action+0x24/0x40 # [ 102.048001] direct_entry+0xd0/0x140 # [ 102.051846] full_proxy_write+0x68/0xbc # [ 102.055952] vfs_write+0xec/0x20c # [ 102.059534] ksys_write+0x70/0x100 # [ 102.063204] __arm64_sys_write+0x24/0x30 # [ 102.067399] el0_svc_common.constprop.0+0x84/0x1e0 # [ 102.072461] do_el0_svc+0x2c/0xa4 # [ 102.076044] el0_svc+0x20/0x30 # [ 102.079366] el0_sync_handler+0xb0/0xb4 # [ 102.083471] el0_sync+0x180/0x1c0 # [ 102.087057] Code: 026e2900 ffff0008 026e2a00 ffff0008 (aa1e03e9) # [ 102.093427] ---[ end trace 65b1a0a095d4f62c ]--- # EXEC_DATA: saw 'call trace:': ok ok 30 selftests: lkdtm: EXEC_DATA.sh # selftests: lkdtm: EXEC_STACK.sh <6>[ 102.494626] lkdtm: Performing direct entry EXEC_STACK <6>[ 102.500017] lkdtm: attempting ok execution at ffff800010a08190 <6>[ 102.506377] lkdtm: attempting bad execution at ffff800015713cc8 <1>[ 102.512664] Unable to handle kernel execute from non-executable memory at virtual address ffff800015713cc8 <1>[ 102.522893] Mem abort info: <1>[ 102.526018] ESR = 0x8600000f <1>[ 102.529365] EC = 0x21: IABT (current EL), IL = 32 bits <1>[ 102.534988] SET = 0, FnV = 0 <1>[ 102.538334] EA = 0, S1PTW = 0 <1>[ 102.541766] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081de9000 <1>[ 102.548762] [ffff800015713cc8] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=0000000883ea2003, pte=00680008866ea703 <0>[ 102.561736] Internal error: Oops: 000000008600000f [#6] PREEMPT SMP <4>[ 102.568284] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 102.580035] CPU: 1 PID: 1721 Comm: cat Tainted: G D W 5.10.216-cip47 #1 <4>[ 102.588055] Hardware name: ARM Juno development board (r0) (DT) <4>[ 102.594251] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 102.600537] pc : 0xffff800015713cc8 <4>[ 102.604304] lr : execute_location+0x84/0xa4 <4>[ 102.608754] sp : ffff800015713c80 <4>[ 102.612335] x29: ffff800015713c80 x28: ffff000804f93100 <4>[ 102.617929] x27: 0000000000000000 x26: 0000000000000000 <4>[ 102.623522] x25: ffff80001150a190 x24: ffff800015713e20 <4>[ 102.629115] x23: 000000000000000b x22: ffff000804680000 <4>[ 102.634707] x21: 0000000000000001 x20: ffff800010a08190 <4>[ 102.640298] x19: ffff800015713cc8 x18: 0000000000000000 <4>[ 102.645890] x17: 0000000000000000 x16: 0000000000000000 <4>[ 102.651481] x15: 0000000000000030 x14: ffffffffffffffff <4>[ 102.657073] x13: ffff80009571396a x12: ffff800015713972 <4>[ 102.662665] x11: ffff8000125d41c0 x10: ffff80001262c360 <4>[ 102.668257] x9 : ffff80001012c154 x8 : ffff8000125d4360 <4>[ 102.673849] x7 : ffff80001262c360 x6 : ffff8000125a5000 <4>[ 102.679440] x5 : ffff8000125a5c88 x4 : ffff00097ef6ec68 <4>[ 102.685031] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 102.690623] x1 : ffff000804f93100 x0 : 0000000000000033 <4>[ 102.696215] Call trace: <4>[ 102.698927] 0xffff800015713cc8 <4>[ 102.702337] lkdtm_EXEC_STACK+0x30/0x58 <4>[ 102.706445] lkdtm_do_action+0x24/0x40 <4>[ 102.710464] direct_entry+0xd0/0x140 <4>[ 102.714310] full_proxy_write+0x68/0xbc <4>[ 102.718416] vfs_write+0xec/0x20c <4>[ 102.721999] ksys_write+0x70/0x100 <4>[ 102.725669] __arm64_sys_write+0x24/0x30 <4>[ 102.729864] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 102.734927] do_el0_svc+0x2c/0xa4 <4>[ 102.738510] el0_svc+0x20/0x30 <4>[ 102.741832] el0_sync_handler+0xb0/0xb4 <4>[ 102.745937] el0_sync+0x180/0x1c0 <0>[ 102.749523] Code: 10a07254 ffff8000 15713d20 ffff8000 (aa1e03e9) <4>[ 102.755893] ---[ end trace 65b1a0a095d4f62d ]--- # Segmentation fault # [ 102.494626] lkdtm: Performing direct entry EXEC_STACK # [ 102.500017] lkdtm: attempting ok execution at ffff800010a08190 # [ 102.506377] lkdtm: attempting bad execution at ffff800015713cc8 # [ 102.512664] Unable to handle kernel execute from non-executable memory at virtual address ffff800015713cc8 # [ 102.522893] Mem abort info: # [ 102.526018] ESR = 0x8600000f # [ 102.529365] EC = 0x21: IABT (current EL), IL = 32 bits # [ 102.534988] SET = 0, FnV = 0 # [ 102.538334] EA = 0, S1PTW = 0 # [ 102.541766] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081de9000 # [ 102.548762] [ffff800015713cc8] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=0000000883ea2003, pte=00680008866ea703 # [ 102.561736] Internal error: Oops: 000000008600000f [#6] PREEMPT SMP # [ 102.568284] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 102.580035] CPU: 1 PID: 1721 Comm: cat Tainted: G D W 5.10.216-cip47 #1 # [ 102.588055] Hardware name: ARM Juno development board (r0) (DT) # [ 102.594251] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 102.600537] pc : 0xffff800015713cc8 # [ 102.604304] lr : execute_location+0x84/0xa4 # [ 102.608754] sp : ffff800015713c80 # [ 102.612335] x29: ffff800015713c80 x28: ffff000804f93100 # [ 102.617929] x27: 0000000000000000 x26: 0000000000000000 # [ 102.623522] x25: ffff80001150a190 x24: ffff800015713e20 # [ 102.629115] x23: 000000000000000b x22: ffff000804680000 # [ 102.634707] x21: 0000000000000001 x20: ffff800010a08190 # [ 102.640298] x19: ffff800015713cc8 x18: 0000000000000000 # [ 102.645890] x17: 0000000000000000 x16: 0000000000000000 # [ 102.651481] x15: 0000000000000030 x14: ffffffffffffffff # [ 102.657073] x13: ffff80009571396a x12: ffff800015713972 # [ 102.662665] x11: ffff8000125d41c0 x10: ffff80001262c360 # [ 102.668257] x9 : ffff80001012c154 x8 : ffff8000125d4360 # [ 102.673849] x7 : ffff80001262c360 x6 : ffff8000125a5000 # [ 102.679440] x5 : ffff8000125a5c88 x4 : ffff00097ef6ec68 # [ 102.685031] x3 : 0000000000000000 x2 : 0000000000000000 # [ 102.690623] x1 : ffff000804f93100 x0 : 0000000000000033 # [ 102.696215] Call trace: # [ 102.698927] 0xffff800015713cc8 # [ 102.702337] lkdtm_EXEC_STACK+0x30/0x58 # [ 102.706445] lkdtm_do_action+0x24/0x40 # [ 102.710464] direct_entry+0xd0/0x140 # [ 102.714310] full_proxy_write+0x68/0xbc # [ 102.718416] vfs_write+0xec/0x20c # [ 102.721999] ksys_write+0x70/0x100 # [ 102.725669] __arm64_sys_write+0x24/0x30 # [ 102.729864] el0_svc_common.constprop.0+0x84/0x1e0 # [ 102.734927] do_el0_svc+0x2c/0xa4 # [ 102.738510] el0_svc+0x20/0x30 # [ 102.741832] el0_sync_handler+0xb0/0xb4 # [ 102.745937] el0_sync+0x180/0x1c0 # [ 102.749523] Code: 10a07254 ffff8000 15713d20 ffff8000 (aa1e03e9) # [ 102.755893] ---[ end trace 65b1a0a095d4f62d ]--- # EXEC_STACK: saw 'call trace:': ok ok 31 selftests: lkdtm: EXEC_STACK.sh # selftests: lkdtm: EXEC_KMALLOC.sh <6>[ 103.159774] lkdtm: Performing direct entry EXEC_KMALLOC <6>[ 103.165361] lkdtm: attempting ok execution at ffff800010a08190 <6>[ 103.171671] lkdtm: attempting bad execution at ffff0008074e1e00 <1>[ 103.177926] Unable to handle kernel execute from non-executable memory at virtual address ffff0008074e1e00 <1>[ 103.188028] Mem abort info: <1>[ 103.191264] ESR = 0x8600000f <1>[ 103.194740] EC = 0x21: IABT (current EL), IL = 32 bits <1>[ 103.200357] SET = 0, FnV = 0 <1>[ 103.203706] EA = 0, S1PTW = 0 <1>[ 103.207139] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081de9000 <1>[ 103.214140] [ffff0008074e1e00] pgd=00000009ffff8003, p4d=00000009ffff8003, pud=00000009ffc0a003, pmd=00000009ffbcf003, pte=00680008874e1707 <0>[ 103.227035] Internal error: Oops: 000000008600000f [#7] PREEMPT SMP <4>[ 103.233586] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 103.245336] CPU: 1 PID: 1764 Comm: cat Tainted: G D W 5.10.216-cip47 #1 <4>[ 103.253359] Hardware name: ARM Juno development board (r0) (DT) <4>[ 103.259560] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 103.265843] pc : 0xffff0008074e1e00 <4>[ 103.269605] lr : execute_location+0x84/0xa4 <4>[ 103.274056] sp : ffff8000157abcc0 <4>[ 103.277637] x29: ffff8000157abcc0 x28: ffff0008060ac980 <4>[ 103.283232] x27: 0000000000000000 x26: 0000000000000000 <4>[ 103.288824] x25: ffff80001150a190 x24: ffff8000157abe20 <4>[ 103.294417] x23: 000000000000000d x22: ffff000803ee8000 <4>[ 103.300010] x21: 0000000000000001 x20: ffff800010a08190 <4>[ 103.305602] x19: ffff0008074e1e00 x18: 0000000000000000 <4>[ 103.311194] x17: 0000000000000000 x16: 0000000000000000 <4>[ 103.316787] x15: 0000000000000030 x14: ffffffffffffffff <4>[ 103.322379] x13: ffff8000957ab9aa x12: ffff8000157ab9b2 <4>[ 103.327971] x11: ffff8000125d41c0 x10: ffff80001262c360 <4>[ 103.333563] x9 : ffff80001012c154 x8 : ffff8000125d4360 <4>[ 103.339155] x7 : ffff80001262c360 x6 : ffff8000125a5000 <4>[ 103.344747] x5 : ffff8000125a5c88 x4 : ffff00097ef6ec68 <4>[ 103.350339] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 103.355931] x1 : ffff0008060ac980 x0 : 0000000000000033 <4>[ 103.361523] Call trace: <4>[ 103.364236] 0xffff0008074e1e00 <4>[ 103.367649] lkdtm_EXEC_KMALLOC+0x34/0x4c <4>[ 103.371930] lkdtm_do_action+0x24/0x40 <4>[ 103.375949] direct_entry+0xd0/0x140 <4>[ 103.379794] full_proxy_write+0x68/0xbc <4>[ 103.383901] vfs_write+0xec/0x20c <4>[ 103.387483] ksys_write+0x70/0x100 <4>[ 103.391153] __arm64_sys_write+0x24/0x30 <4>[ 103.395348] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 103.400411] do_el0_svc+0x2c/0xa4 <4>[ 103.403994] el0_svc+0x20/0x30 <4>[ 103.407317] el0_sync_handler+0xb0/0xb4 <4>[ 103.411422] el0_sync+0x180/0x1c0 <0>[ 103.415008] Code: 25d81380 fffffe00 25d813c0 fffffe00 (aa1e03e9) <4>[ 103.421378] ---[ end trace 65b1a0a095d4f62e ]--- # Segmentation fault # [ 103.159774] lkdtm: Performing direct entry EXEC_KMALLOC # [ 103.165361] lkdtm: attempting ok execution at ffff800010a08190 # [ 103.171671] lkdtm: attempting bad execution at ffff0008074e1e00 # [ 103.177926] Unable to handle kernel execute from non-executable memory at virtual address ffff0008074e1e00 # [ 103.188028] Mem abort info: # [ 103.191264] ESR = 0x8600000f # [ 103.194740] EC = 0x21: IABT (current EL), IL = 32 bits # [ 103.200357] SET = 0, FnV = 0 # [ 103.203706] EA = 0, S1PTW = 0 # [ 103.207139] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081de9000 # [ 103.214140] [ffff0008074e1e00] pgd=00000009ffff8003, p4d=00000009ffff8003, pud=00000009ffc0a003, pmd=00000009ffbcf003, pte=00680008874e1707 # [ 103.227035] Internal error: Oops: 000000008600000f [#7] PREEMPT SMP # [ 103.233586] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 103.245336] CPU: 1 PID: 1764 Comm: cat Tainted: G D W 5.10.216-cip47 #1 # [ 103.253359] Hardware name: ARM Juno development board (r0) (DT) # [ 103.259560] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 103.265843] pc : 0xffff0008074e1e00 # [ 103.269605] lr : execute_location+0x84/0xa4 # [ 103.274056] sp : ffff8000157abcc0 # [ 103.277637] x29: ffff8000157abcc0 x28: ffff0008060ac980 # [ 103.283232] x27: 0000000000000000 x26: 0000000000000000 # [ 103.288824] x25: ffff80001150a190 x24: ffff8000157abe20 # [ 103.294417] x23: 000000000000000d x22: ffff000803ee8000 # [ 103.300010] x21: 0000000000000001 x20: ffff800010a08190 # [ 103.305602] x19: ffff0008074e1e00 x18: 0000000000000000 # [ 103.311194] x17: 0000000000000000 x16: 0000000000000000 # [ 103.316787] x15: 0000000000000030 x14: ffffffffffffffff # [ 103.322379] x13: ffff8000957ab9aa x12: ffff8000157ab9b2 # [ 103.327971] x11: ffff8000125d41c0 x10: ffff80001262c360 # [ 103.333563] x9 : ffff80001012c154 x8 : ffff8000125d4360 # [ 103.339155] x7 : ffff80001262c360 x6 : ffff8000125a5000 # [ 103.344747] x5 : ffff8000125a5c88 x4 : ffff00097ef6ec68 # [ 103.350339] x3 : 0000000000000000 x2 : 0000000000000000 # [ 103.355931] x1 : ffff0008060ac980 x0 : 0000000000000033 # [ 103.361523] Call trace: # [ 103.364236] 0xffff0008074e1e00 # [ 103.367649] lkdtm_EXEC_KMALLOC+0x34/0x4c # [ 103.371930] lkdtm_do_action+0x24/0x40 # [ 103.375949] direct_entry+0xd0/0x140 # [ 103.379794] full_proxy_write+0x68/0xbc # [ 103.383901] vfs_write+0xec/0x20c # [ 103.387483] ksys_write+0x70/0x100 # [ 103.391153] __arm64_sys_write+0x24/0x30 # [ 103.395348] el0_svc_common.constprop.0+0x84/0x1e0 # [ 103.400411] do_el0_svc+0x2c/0xa4 # [ 103.403994] el0_svc+0x20/0x30 # [ 103.407317] el0_sync_handler+0xb0/0xb4 # [ 103.411422] el0_sync+0x180/0x1c0 # [ 103.415008] Code: 25d81380 fffffe00 25d813c0 fffffe00 (aa1e03e9) # [ 103.421378] ---[ end trace 65b1a0a095d4f62e ]--- # EXEC_KMALLOC: saw 'call trace:': ok ok 32 selftests: lkdtm: EXEC_KMALLOC.sh # selftests: lkdtm: EXEC_VMALLOC.sh <6>[ 103.826273] lkdtm: Performing direct entry EXEC_VMALLOC <6>[ 103.831894] lkdtm: attempting ok execution at ffff800010a08190 <6>[ 103.838220] lkdtm: attempting bad execution at ffff800013a81000 <1>[ 103.844476] Unable to handle kernel execute from non-executable memory at virtual address ffff800013a81000 <1>[ 103.854541] Mem abort info: <1>[ 103.857772] ESR = 0x8600000f <1>[ 103.861152] EC = 0x21: IABT (current EL), IL = 32 bits <1>[ 103.866762] SET = 0, FnV = 0 <1>[ 103.870109] EA = 0, S1PTW = 0 <1>[ 103.873542] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081de9000 <1>[ 103.880549] [ffff800013a81000] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=00000008809fd003, pte=0068000884191703 <0>[ 103.893445] Internal error: Oops: 000000008600000f [#8] PREEMPT SMP <4>[ 103.899988] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 103.911741] CPU: 1 PID: 1807 Comm: cat Tainted: G D W 5.10.216-cip47 #1 <4>[ 103.919760] Hardware name: ARM Juno development board (r0) (DT) <4>[ 103.925958] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 103.932245] pc : 0xffff800013a81000 <4>[ 103.936009] lr : execute_location+0x84/0xa4 <4>[ 103.940463] sp : ffff80001587bcc0 <4>[ 103.944049] x29: ffff80001587bcc0 x28: ffff0008024ec980 <4>[ 103.949644] x27: 0000000000000000 x26: 0000000000000000 <4>[ 103.955238] x25: ffff80001150a190 x24: ffff80001587be20 <4>[ 103.960831] x23: 000000000000000d x22: ffff000804191000 <4>[ 103.966423] x21: 0000000000000001 x20: ffff800010a08190 <4>[ 103.972016] x19: ffff800013a81000 x18: 0000000000000000 <4>[ 103.977607] x17: 0000000000000000 x16: 0000000000000000 <4>[ 103.983199] x15: 0000000000000030 x14: ffffffffffffffff <4>[ 103.988791] x13: ffff80009587b9aa x12: ffff80001587b9b2 <4>[ 103.994383] x11: ffff8000125d41c0 x10: ffff80001262c360 <4>[ 103.999975] x9 : ffff80001012c154 x8 : ffff8000125d4360 <4>[ 104.005567] x7 : ffff80001262c360 x6 : ffff8000125a5000 <4>[ 104.011158] x5 : ffff8000125a5c88 x4 : ffff00097ef6ec68 <4>[ 104.016750] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 104.022342] x1 : ffff0008024ec980 x0 : 0000000000000033 <4>[ 104.027934] Call trace: <4>[ 104.030647] 0xffff800013a81000 <4>[ 104.034060] lkdtm_EXEC_VMALLOC+0x2c/0x44 <4>[ 104.038340] lkdtm_do_action+0x24/0x40 <4>[ 104.042359] direct_entry+0xd0/0x140 <4>[ 104.046204] full_proxy_write+0x68/0xbc <4>[ 104.050311] vfs_write+0xec/0x20c <4>[ 104.053893] ksys_write+0x70/0x100 <4>[ 104.057563] __arm64_sys_write+0x24/0x30 <4>[ 104.061758] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 104.066821] do_el0_svc+0x2c/0xa4 <4>[ 104.070403] el0_svc+0x20/0x30 <4>[ 104.073725] el0_sync_handler+0xb0/0xb4 <4>[ 104.077829] el0_sync+0x180/0x1c0 <0>[ 104.081418] Code: bad PC value <4>[ 104.084742] ---[ end trace 65b1a0a095d4f62f ]--- # Segmentation fault # [ 103.826273] lkdtm: Performing direct entry EXEC_VMALLOC # [ 103.831894] lkdtm: attempting ok execution at ffff800010a08190 # [ 103.838220] lkdtm: attempting bad execution at ffff800013a81000 # [ 103.844476] Unable to handle kernel execute from non-executable memory at virtual address ffff800013a81000 # [ 103.854541] Mem abort info: # [ 103.857772] ESR = 0x8600000f # [ 103.861152] EC = 0x21: IABT (current EL), IL = 32 bits # [ 103.866762] SET = 0, FnV = 0 # [ 103.870109] EA = 0, S1PTW = 0 # [ 103.873542] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081de9000 # [ 103.880549] [ffff800013a81000] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=00000008809fd003, pte=0068000884191703 # [ 103.893445] Internal error: Oops: 000000008600000f [#8] PREEMPT SMP # [ 103.899988] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 103.911741] CPU: 1 PID: 1807 Comm: cat Tainted: G D W 5.10.216-cip47 #1 # [ 103.919760] Hardware name: ARM Juno development board (r0) (DT) # [ 103.925958] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 103.932245] pc : 0xffff800013a81000 # [ 103.936009] lr : execute_location+0x84/0xa4 # [ 103.940463] sp : ffff80001587bcc0 # [ 103.944049] x29: ffff80001587bcc0 x28: ffff0008024ec980 # [ 103.949644] x27: 0000000000000000 x26: 0000000000000000 # [ 103.955238] x25: ffff80001150a190 x24: ffff80001587be20 # [ 103.960831] x23: 000000000000000d x22: ffff000804191000 # [ 103.966423] x21: 0000000000000001 x20: ffff800010a08190 # [ 103.972016] x19: ffff800013a81000 x18: 0000000000000000 # [ 103.977607] x17: 0000000000000000 x16: 0000000000000000 # [ 103.983199] x15: 0000000000000030 x14: ffffffffffffffff # [ 103.988791] x13: ffff80009587b9aa x12: ffff80001587b9b2 # [ 103.994383] x11: ffff8000125d41c0 x10: ffff80001262c360 # [ 103.999975] x9 : ffff80001012c154 x8 : ffff8000125d4360 # [ 104.005567] x7 : ffff80001262c360 x6 : ffff8000125a5000 # [ 104.011158] x5 : ffff8000125a5c88 x4 : ffff00097ef6ec68 # [ 104.016750] x3 : 0000000000000000 x2 : 0000000000000000 # [ 104.022342] x1 : ffff0008024ec980 x0 : 0000000000000033 # [ 104.027934] Call trace: # [ 104.030647] 0xffff800013a81000 # [ 104.034060] lkdtm_EXEC_VMALLOC+0x2c/0x44 # [ 104.038340] lkdtm_do_action+0x24/0x40 # [ 104.042359] direct_entry+0xd0/0x140 # [ 104.046204] full_proxy_write+0x68/0xbc # [ 104.050311] vfs_write+0xec/0x20c # [ 104.053893] ksys_write+0x70/0x100 # [ 104.057563] __arm64_sys_write+0x24/0x30 # [ 104.061758] el0_svc_common.constprop.0+0x84/0x1e0 # [ 104.066821] do_el0_svc+0x2c/0xa4 # [ 104.070403] el0_svc+0x20/0x30 # [ 104.073725] el0_sync_handler+0xb0/0xb4 # [ 104.077829] el0_sync+0x180/0x1c0 # [ 104.081418] Code: bad PC value # [ 104.084742] ---[ end trace 65b1a0a095d4f62f ]--- # EXEC_VMALLOC: saw 'call trace:': ok ok 33 selftests: lkdtm: EXEC_VMALLOC.sh # selftests: lkdtm: EXEC_RODATA.sh <6>[ 104.489511] lkdtm: Performing direct entry EXEC_RODATA <6>[ 104.494999] lkdtm: attempting ok execution at ffff800010a08190 <6>[ 104.501231] lkdtm: attempting bad execution at ffff80001150a690 <1>[ 104.507514] Unable to handle kernel execute from non-executable memory at virtual address ffff80001150a690 <1>[ 104.518011] Mem abort info: <1>[ 104.521147] ESR = 0x8600000e <1>[ 104.524475] EC = 0x21: IABT (current EL), IL = 32 bits <1>[ 104.530137] SET = 0, FnV = 0 <1>[ 104.533506] EA = 0, S1PTW = 0 <1>[ 104.536962] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081de9000 <1>[ 104.543966] [ffff80001150a690] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=0060000081600781 <0>[ 104.554926] Internal error: Oops: 000000008600000e [#9] PREEMPT SMP <4>[ 104.561469] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 104.573220] CPU: 1 PID: 1850 Comm: cat Tainted: G D W 5.10.216-cip47 #1 <4>[ 104.581241] Hardware name: ARM Juno development board (r0) (DT) <4>[ 104.587439] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 104.593732] pc : lkdtm_rodata_do_nothing+0x0/0x10 <4>[ 104.598711] lr : execute_location+0x84/0xa4 <4>[ 104.603167] sp : ffff800015903cd0 <4>[ 104.606748] x29: ffff800015903cd0 x28: ffff0008024f3100 <4>[ 104.612348] x27: 0000000000000000 x26: 0000000000000000 <4>[ 104.617941] x25: ffff80001150a190 x24: ffff800015903e20 <4>[ 104.623535] x23: 000000000000000c x22: ffff000807cac000 <4>[ 104.629127] x21: 0000000000000000 x20: ffff800010a08190 <4>[ 104.634719] x19: ffff80001150a690 x18: 0000000000000000 <4>[ 104.640311] x17: 0000000000000000 x16: 0000000000000000 <4>[ 104.645903] x15: 0000000000000030 x14: ffffffffffffffff <4>[ 104.651495] x13: ffff8000959039ba x12: ffff8000159039c2 <4>[ 104.657087] x11: ffff8000125d41c0 x10: ffff80001262c360 <4>[ 104.662679] x9 : ffff80001012c154 x8 : ffff8000125d4360 <4>[ 104.668271] x7 : ffff80001262c360 x6 : ffff8000125a5000 <4>[ 104.673862] x5 : ffff8000125a5c88 x4 : ffff00097ef90c68 <4>[ 104.679454] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 104.685045] x1 : ffff0008024f3100 x0 : 0000000000000033 <4>[ 104.690637] Call trace: <4>[ 104.693352] lkdtm_rodata_do_nothing+0x0/0x10 <4>[ 104.697979] lkdtm_EXEC_RODATA+0x24/0x30 <4>[ 104.702174] lkdtm_do_action+0x24/0x40 <4>[ 104.706194] direct_entry+0xd0/0x140 <4>[ 104.710039] full_proxy_write+0x68/0xbc <4>[ 104.714146] vfs_write+0xec/0x20c <4>[ 104.717728] ksys_write+0x70/0x100 <4>[ 104.721398] __arm64_sys_write+0x24/0x30 <4>[ 104.725593] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 104.730655] do_el0_svc+0x2c/0xa4 <4>[ 104.734238] el0_svc+0x20/0x30 <4>[ 104.737560] el0_sync_handler+0xb0/0xb4 <4>[ 104.741665] el0_sync+0x180/0x1c0 <0>[ 104.745251] Code: aa55aa55 00000000 00000000 00000000 (d503233f) <4>[ 104.751622] ---[ end trace 65b1a0a095d4f630 ]--- # Segmentation fault # [ 104.489511] lkdtm: Performing direct entry EXEC_RODATA # [ 104.494999] lkdtm: attempting ok execution at ffff800010a08190 # [ 104.501231] lkdtm: attempting bad execution at ffff80001150a690 # [ 104.507514] Unable to handle kernel execute from non-executable memory at virtual address ffff80001150a690 # [ 104.518011] Mem abort info: # [ 104.521147] ESR = 0x8600000e # [ 104.524475] EC = 0x21: IABT (current EL), IL = 32 bits # [ 104.530137] SET = 0, FnV = 0 # [ 104.533506] EA = 0, S1PTW = 0 # [ 104.536962] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081de9000 # [ 104.543966] [ffff80001150a690] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=0060000081600781 # [ 104.554926] Internal error: Oops: 000000008600000e [#9] PREEMPT SMP # [ 104.561469] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 104.573220] CPU: 1 PID: 1850 Comm: cat Tainted: G D W 5.10.216-cip47 #1 # [ 104.581241] Hardware name: ARM Juno development board (r0) (DT) # [ 104.587439] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 104.593732] pc : lkdtm_rodata_do_nothing+0x0/0x10 # [ 104.598711] lr : execute_location+0x84/0xa4 # [ 104.603167] sp : ffff800015903cd0 # [ 104.606748] x29: ffff800015903cd0 x28: ffff0008024f3100 # [ 104.612348] x27: 0000000000000000 x26: 0000000000000000 # [ 104.617941] x25: ffff80001150a190 x24: ffff800015903e20 # [ 104.623535] x23: 000000000000000c x22: ffff000807cac000 # [ 104.629127] x21: 0000000000000000 x20: ffff800010a08190 # [ 104.634719] x19: ffff80001150a690 x18: 0000000000000000 # [ 104.640311] x17: 0000000000000000 x16: 0000000000000000 # [ 104.645903] x15: 0000000000000030 x14: ffffffffffffffff # [ 104.651495] x13: ffff8000959039ba x12: ffff8000159039c2 # [ 104.657087] x11: ffff8000125d41c0 x10: ffff80001262c360 # [ 104.662679] x9 : ffff80001012c154 x8 : ffff8000125d4360 # [ 104.668271] x7 : ffff80001262c360 x6 : ffff8000125a5000 # [ 104.673862] x5 : ffff8000125a5c88 x4 : ffff00097ef90c68 # [ 104.679454] x3 : 0000000000000000 x2 : 0000000000000000 # [ 104.685045] x1 : ffff0008024f3100 x0 : 0000000000000033 # [ 104.690637] Call trace: # [ 104.693352] lkdtm_rodata_do_nothing+0x0/0x10 # [ 104.697979] lkdtm_EXEC_RODATA+0x24/0x30 # [ 104.702174] lkdtm_do_action+0x24/0x40 # [ 104.706194] direct_entry+0xd0/0x140 # [ 104.710039] full_proxy_write+0x68/0xbc # [ 104.714146] vfs_write+0xec/0x20c # [ 104.717728] ksys_write+0x70/0x100 # [ 104.721398] __arm64_sys_write+0x24/0x30 # [ 104.725593] el0_svc_common.constprop.0+0x84/0x1e0 # [ 104.730655] do_el0_svc+0x2c/0xa4 # [ 104.734238] el0_svc+0x20/0x30 # [ 104.737560] el0_sync_handler+0xb0/0xb4 # [ 104.741665] el0_sync+0x180/0x1c0 # [ 104.745251] Code: aa55aa55 00000000 00000000 00000000 (d503233f) # [ 104.751622] ---[ end trace 65b1a0a095d4f630 ]--- # EXEC_RODATA: saw 'call trace:': ok ok 34 selftests: lkdtm: EXEC_RODATA.sh # selftests: lkdtm: EXEC_USERSPACE.sh <6>[ 105.159810] lkdtm: Performing direct entry EXEC_USERSPACE <6>[ 105.165582] lkdtm: attempting ok execution at ffff800010a08190 <6>[ 105.171809] lkdtm: attempting bad execution at 0000ffff8e2b2000 <1>[ 105.178064] Unable to handle kernel execution of user memory at virtual address 0000ffff8e2b2000 <1>[ 105.187250] Mem abort info: <1>[ 105.190453] ESR = 0x8600000f <1>[ 105.193830] EC = 0x21: IABT (current EL), IL = 32 bits <1>[ 105.199440] SET = 0, FnV = 0 <1>[ 105.202792] EA = 0, S1PTW = 0 <1>[ 105.206228] user pgtable: 4k pages, 48-bit VAs, pgdp=000000088541a000 <1>[ 105.212966] [0000ffff8e2b2000] pgd=0000000884190003, p4d=0000000884190003, pud=0000000883bf5003, pmd=00000008831de003, pte=00a800088ccfff43 <0>[ 105.225845] Internal error: Oops: 000000008600000f [#10] PREEMPT SMP <4>[ 105.232475] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 105.244229] CPU: 2 PID: 1893 Comm: cat Tainted: G D W 5.10.216-cip47 #1 <4>[ 105.252252] Hardware name: ARM Juno development board (r0) (DT) <4>[ 105.258448] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 105.264732] pc : 0xffff8e2b2000 <4>[ 105.268150] lr : lkdtm_EXEC_USERSPACE+0xe0/0xf0 <4>[ 105.272949] sp : ffff8000159abcf0 <4>[ 105.276530] x29: ffff8000159abcf0 x28: ffff000800bfb100 <4>[ 105.282125] x27: 0000000000000000 x26: 0000000000000000 <4>[ 105.287718] x25: ffff80001150a190 x24: ffff8000159abe20 <4>[ 105.293310] x23: 000000000000000f x22: ffff000803c6c000 <4>[ 105.298902] x21: ffff800011a27b20 x20: ffff800010a08190 <4>[ 105.304494] x19: 0000ffff8e2b2000 x18: 0000000000000000 <4>[ 105.310085] x17: 0000000000000000 x16: 0000000000000000 <4>[ 105.315677] x15: 0000000000000030 x14: ffffffffffffffff <4>[ 105.321268] x13: ffff8000959ab9da x12: ffff8000159ab9e2 <4>[ 105.326861] x11: ffff8000125d41c0 x10: ffff80001262c360 <4>[ 105.332452] x9 : ffff80001012c154 x8 : ffff8000125d4360 <4>[ 105.338044] x7 : ffff80001262c360 x6 : ffff8000125a5000 <4>[ 105.343636] x5 : ffff8000125a5c88 x4 : ffff00097ef90c68 <4>[ 105.349228] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 105.354819] x1 : ffff000800bfb100 x0 : 0000000000000033 <4>[ 105.360411] Call trace: <4>[ 105.363123] 0xffff8e2b2000 <4>[ 105.366186] lkdtm_do_action+0x24/0x40 <4>[ 105.370205] direct_entry+0xd0/0x140 <4>[ 105.374051] full_proxy_write+0x68/0xbc <4>[ 105.378157] vfs_write+0xec/0x20c <4>[ 105.381739] ksys_write+0x70/0x100 <4>[ 105.385409] __arm64_sys_write+0x24/0x30 <4>[ 105.389604] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 105.394667] do_el0_svc+0x2c/0xa4 <4>[ 105.398251] el0_svc+0x20/0x30 <4>[ 105.401572] el0_sync_handler+0xb0/0xb4 <4>[ 105.405677] el0_sync+0x180/0x1c0 <0>[ 105.409265] Code: bad PC value <4>[ 105.412589] ---[ end trace 65b1a0a095d4f631 ]--- # Segmentation fault # [ 105.159810] lkdtm: Performing direct entry EXEC_USERSPACE # [ 105.165582] lkdtm: attempting ok execution at ffff800010a08190 # [ 105.171809] lkdtm: attempting bad execution at 0000ffff8e2b2000 # [ 105.178064] Unable to handle kernel execution of user memory at virtual address 0000ffff8e2b2000 # [ 105.187250] Mem abort info: # [ 105.190453] ESR = 0x8600000f # [ 105.193830] EC = 0x21: IABT (current EL), IL = 32 bits # [ 105.199440] SET = 0, FnV = 0 # [ 105.202792] EA = 0, S1PTW = 0 # [ 105.206228] user pgtable: 4k pages, 48-bit VAs, pgdp=000000088541a000 # [ 105.212966] [0000ffff8e2b2000] pgd=0000000884190003, p4d=0000000884190003, pud=0000000883bf5003, pmd=00000008831de003, pte=00a800088ccfff43 # [ 105.225845] Internal error: Oops: 000000008600000f [#10] PREEMPT SMP # [ 105.232475] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 105.244229] CPU: 2 PID: 1893 Comm: cat Tainted: G D W 5.10.216-cip47 #1 # [ 105.252252] Hardware name: ARM Juno development board (r0) (DT) # [ 105.258448] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 105.264732] pc : 0xffff8e2b2000 # [ 105.268150] lr : lkdtm_EXEC_USERSPACE+0xe0/0xf0 # [ 105.272949] sp : ffff8000159abcf0 # [ 105.276530] x29: ffff8000159abcf0 x28: ffff000800bfb100 # [ 105.282125] x27: 0000000000000000 x26: 0000000000000000 # [ 105.287718] x25: ffff80001150a190 x24: ffff8000159abe20 # [ 105.293310] x23: 000000000000000f x22: ffff000803c6c000 # [ 105.298902] x21: ffff800011a27b20 x20: ffff800010a08190 # [ 105.304494] x19: 0000ffff8e2b2000 x18: 0000000000000000 # [ 105.310085] x17: 0000000000000000 x16: 0000000000000000 # [ 105.315677] x15: 0000000000000030 x14: ffffffffffffffff # [ 105.321268] x13: ffff8000959ab9da x12: ffff8000159ab9e2 # [ 105.326861] x11: ffff8000125d41c0 x10: ffff80001262c360 # [ 105.332452] x9 : ffff80001012c154 x8 : ffff8000125d4360 # [ 105.338044] x7 : ffff80001262c360 x6 : ffff8000125a5000 # [ 105.343636] x5 : ffff8000125a5c88 x4 : ffff00097ef90c68 # [ 105.349228] x3 : 0000000000000000 x2 : 0000000000000000 # [ 105.354819] x1 : ffff000800bfb100 x0 : 0000000000000033 # [ 105.360411] Call trace: # [ 105.363123] 0xffff8e2b2000 # [ 105.366186] lkdtm_do_action+0x24/0x40 # [ 105.370205] direct_entry+0xd0/0x140 # [ 105.374051] full_proxy_write+0x68/0xbc # [ 105.378157] vfs_write+0xec/0x20c # [ 105.381739] ksys_write+0x70/0x100 # [ 105.385409] __arm64_sys_write+0x24/0x30 # [ 105.389604] el0_svc_common.constprop.0+0x84/0x1e0 # [ 105.394667] do_el0_svc+0x2c/0xa4 # [ 105.398251] el0_svc+0x20/0x30 # [ 105.401572] el0_sync_handler+0xb0/0xb4 # [ 105.405677] el0_sync+0x180/0x1c0 # [ 105.409265] Code: bad PC value # [ 105.412589] ---[ end trace 65b1a0a095d4f631 ]--- # EXEC_USERSPACE: saw 'call trace:': ok ok 35 selftests: lkdtm: EXEC_USERSPACE.sh # selftests: lkdtm: EXEC_NULL.sh <6>[ 105.838061] lkdtm: Performing direct entry EXEC_NULL <6>[ 105.843368] lkdtm: attempting ok execution at ffff800010a08190 <6>[ 105.849543] lkdtm: attempting bad execution at 0000000000000000 <1>[ 105.855802] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000 <1>[ 105.865051] Mem abort info: <1>[ 105.868138] ESR = 0x86000004 <1>[ 105.871551] EC = 0x21: IABT (current EL), IL = 32 bits <1>[ 105.877295] SET = 0, FnV = 0 <1>[ 105.880633] EA = 0, S1PTW = 0 <1>[ 105.884097] user pgtable: 4k pages, 48-bit VAs, pgdp=0000000880992000 <1>[ 105.890839] [0000000000000000] pgd=0000000000000000, p4d=0000000000000000 <0>[ 105.897958] Internal error: Oops: 0000000086000004 [#11] PREEMPT SMP <4>[ 105.904591] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 105.916352] CPU: 1 PID: 1936 Comm: cat Tainted: G D W 5.10.216-cip47 #1 <4>[ 105.924373] Hardware name: ARM Juno development board (r0) (DT) <4>[ 105.930574] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 105.936859] pc : 0x0 <4>[ 105.939317] lr : execute_location+0x84/0xa4 <4>[ 105.943771] sp : ffff800015a5bcd0 <4>[ 105.947359] x29: ffff800015a5bcd0 x28: ffff000804698000 <4>[ 105.952957] x27: 0000000000000000 x26: 0000000000000000 <4>[ 105.958552] x25: ffff80001150a190 x24: ffff800015a5be20 <4>[ 105.964147] x23: 000000000000000a x22: ffff000806649000 <4>[ 105.969740] x21: 0000000000000000 x20: ffff800010a08190 <4>[ 105.975334] x19: 0000000000000000 x18: 0000000000000000 <4>[ 105.980927] x17: 0000000000000000 x16: 0000000000000000 <4>[ 105.986520] x15: 0000000000000030 x14: ffffffffffffffff <4>[ 105.992114] x13: ffff800095a5b9ba x12: ffff800015a5b9c2 <4>[ 105.997708] x11: ffff8000125d41c0 x10: ffff80001262c360 <4>[ 106.003301] x9 : ffff80001012c154 x8 : ffff8000125d4360 <4>[ 106.008895] x7 : ffff80001262c360 x6 : ffff8000125a5000 <4>[ 106.014488] x5 : ffff8000125a5c88 x4 : ffff00097ef6ec68 <4>[ 106.020081] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 106.025674] x1 : ffff000804698000 x0 : 0000000000000033 <4>[ 106.031268] Call trace: <4>[ 106.033982] 0x0 <4>[ 106.036088] lkdtm_EXEC_NULL+0x20/0x2c <4>[ 106.040110] lkdtm_do_action+0x24/0x40 <4>[ 106.044129] direct_entry+0xd0/0x140 <4>[ 106.047976] full_proxy_write+0x68/0xbc <4>[ 106.052083] vfs_write+0xec/0x20c <4>[ 106.055667] ksys_write+0x70/0x100 <4>[ 106.059337] __arm64_sys_write+0x24/0x30 <4>[ 106.063532] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 106.068596] do_el0_svc+0x2c/0xa4 <4>[ 106.072180] el0_svc+0x20/0x30 <4>[ 106.075502] el0_sync_handler+0xb0/0xb4 <4>[ 106.079607] el0_sync+0x180/0x1c0 <0>[ 106.083195] Code: bad PC value <4>[ 106.086520] ---[ end trace 65b1a0a095d4f632 ]--- # Segmentation fault # [ 105.838061] lkdtm: Performing direct entry EXEC_NULL # [ 105.843368] lkdtm: attempting ok execution at ffff800010a08190 # [ 105.849543] lkdtm: attempting bad execution at 0000000000000000 # [ 105.855802] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000 # [ 105.865051] Mem abort info: # [ 105.868138] ESR = 0x86000004 # [ 105.871551] EC = 0x21: IABT (current EL), IL = 32 bits # [ 105.877295] SET = 0, FnV = 0 # [ 105.880633] EA = 0, S1PTW = 0 # [ 105.884097] user pgtable: 4k pages, 48-bit VAs, pgdp=0000000880992000 # [ 105.890839] [0000000000000000] pgd=0000000000000000, p4d=0000000000000000 # [ 105.897958] Internal error: Oops: 0000000086000004 [#11] PREEMPT SMP # [ 105.904591] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 105.916352] CPU: 1 PID: 1936 Comm: cat Tainted: G D W 5.10.216-cip47 #1 # [ 105.924373] Hardware name: ARM Juno development board (r0) (DT) # [ 105.930574] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 105.936859] pc : 0x0 # [ 105.939317] lr : execute_location+0x84/0xa4 # [ 105.943771] sp : ffff800015a5bcd0 # [ 105.947359] x29: ffff800015a5bcd0 x28: ffff000804698000 # [ 105.952957] x27: 0000000000000000 x26: 0000000000000000 # [ 105.958552] x25: ffff80001150a190 x24: ffff800015a5be20 # [ 105.964147] x23: 000000000000000a x22: ffff000806649000 # [ 105.969740] x21: 0000000000000000 x20: ffff800010a08190 # [ 105.975334] x19: 0000000000000000 x18: 0000000000000000 # [ 105.980927] x17: 0000000000000000 x16: 0000000000000000 # [ 105.986520] x15: 0000000000000030 x14: ffffffffffffffff # [ 105.992114] x13: ffff800095a5b9ba x12: ffff800015a5b9c2 # [ 105.997708] x11: ffff8000125d41c0 x10: ffff80001262c360 # [ 106.003301] x9 : ffff80001012c154 x8 : ffff8000125d4360 # [ 106.008895] x7 : ffff80001262c360 x6 : ffff8000125a5000 # [ 106.014488] x5 : ffff8000125a5c88 x4 : ffff00097ef6ec68 # [ 106.020081] x3 : 0000000000000000 x2 : 0000000000000000 # [ 106.025674] x1 : ffff000804698000 x0 : 0000000000000033 # [ 106.031268] Call trace: # [ 106.033982] 0x0 # [ 106.036088] lkdtm_EXEC_NULL+0x20/0x2c # [ 106.040110] lkdtm_do_action+0x24/0x40 # [ 106.044129] direct_entry+0xd0/0x140 # [ 106.047976] full_proxy_write+0x68/0xbc # [ 106.052083] vfs_write+0xec/0x20c # [ 106.055667] ksys_write+0x70/0x100 # [ 106.059337] __arm64_sys_write+0x24/0x30 # [ 106.063532] el0_svc_common.constprop.0+0x84/0x1e0 # [ 106.068596] do_el0_svc+0x2c/0xa4 # [ 106.072180] el0_svc+0x20/0x30 # [ 106.075502] el0_sync_handler+0xb0/0xb4 # [ 106.079607] el0_sync+0x180/0x1c0 # [ 106.083195] Code: bad PC value # [ 106.086520] ---[ end trace 65b1a0a095d4f632 ]--- # EXEC_NULL: saw 'call trace:': ok ok 36 selftests: lkdtm: EXEC_NULL.sh # selftests: lkdtm: ACCESS_USERSPACE.sh <6>[ 106.503485] lkdtm: Performing direct entry ACCESS_USERSPACE <6>[ 106.509471] lkdtm: attempting bad read at 0000ffffb45a9000 <3>[ 106.515323] lkdtm: FAIL: survived bad read <6>[ 106.519747] lkdtm: attempting bad write at 0000ffffb45a9000 <3>[ 106.525714] lkdtm: FAIL: survived bad write # [ 106.503485] lkdtm: Performing direct entry ACCESS_USERSPACE # [ 106.509471] lkdtm: attempting bad read at 0000ffffb45a9000 # [ 106.515323] lkdtm: FAIL: survived bad read # [ 106.519747] lkdtm: attempting bad write at 0000ffffb45a9000 # [ 106.525714] 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 <6>[ 106.963984] lkdtm: Performing direct entry ACCESS_NULL <6>[ 106.969483] lkdtm: attempting bad read at 0000000000000000 <1>[ 106.975389] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000 <1>[ 106.984544] Mem abort info: <1>[ 106.987877] ESR = 0x96000004 <1>[ 106.991265] EC = 0x25: DABT (current EL), IL = 32 bits <1>[ 106.996879] SET = 0, FnV = 0 <1>[ 107.000207] EA = 0, S1PTW = 0 <1>[ 107.003638] Data abort info: <1>[ 107.006810] ISV = 0, ISS = 0x00000004 <1>[ 107.010933] CM = 0, WnR = 0 <1>[ 107.014196] user pgtable: 4k pages, 48-bit VAs, pgdp=00000008846a5000 <1>[ 107.020937] [0000000000000000] pgd=0000000000000000, p4d=0000000000000000 <0>[ 107.028043] Internal error: Oops: 0000000096000004 [#12] PREEMPT SMP <4>[ 107.034673] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 107.046429] CPU: 2 PID: 2014 Comm: cat Tainted: G D W 5.10.216-cip47 #1 <4>[ 107.054452] Hardware name: ARM Juno development board (r0) (DT) <4>[ 107.060652] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 107.066939] pc : lkdtm_ACCESS_NULL+0x34/0x78 <4>[ 107.071479] lr : lkdtm_ACCESS_NULL+0x2c/0x78 <4>[ 107.076019] sp : ffff800015bbbcf0 <4>[ 107.079604] x29: ffff800015bbbcf0 x28: ffff0008060a8000 <4>[ 107.085199] x27: 0000000000000000 x26: 0000000000000000 <4>[ 107.090794] x25: ffff80001150a190 x24: ffff800015bbbe20 <4>[ 107.096392] x23: 000000000000000c x22: ffff000805ac3000 <4>[ 107.101984] x21: ffff800011a27b58 x20: 0000000000000000 <4>[ 107.107576] x19: 0000000000000027 x18: 0000000000000000 <4>[ 107.113168] x17: 0000000000000000 x16: 0000000000000000 <4>[ 107.118759] x15: 0000000000000030 x14: ffffffffffffffff <4>[ 107.124351] x13: ffff800095bbb9da x12: ffff800015bbb9e2 <4>[ 107.129943] x11: ffff8000125d41c0 x10: 0000000000001440 <4>[ 107.135535] x9 : ffff80001012c154 x8 : 0000000000000000 <4>[ 107.141127] x7 : 0000000000000000 x6 : ffff8000125a5000 <4>[ 107.146718] x5 : ffff8000125a5c88 x4 : ffff00097ef90c68 <4>[ 107.152310] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 107.157902] x1 : 000000000000c0de x0 : ffff800011a28000 <4>[ 107.163494] Call trace: <4>[ 107.166208] lkdtm_ACCESS_NULL+0x34/0x78 <4>[ 107.170403] lkdtm_do_action+0x24/0x40 <4>[ 107.174422] direct_entry+0xd0/0x140 <4>[ 107.178268] full_proxy_write+0x68/0xbc <4>[ 107.182374] vfs_write+0xec/0x20c <4>[ 107.185956] ksys_write+0x70/0x100 <4>[ 107.189626] __arm64_sys_write+0x24/0x30 <4>[ 107.193821] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 107.198883] do_el0_svc+0x2c/0xa4 <4>[ 107.202465] el0_svc+0x20/0x30 <4>[ 107.205786] el0_sync_handler+0xb0/0xb4 <4>[ 107.209891] el0_sync+0x180/0x1c0 <0>[ 107.213477] Code: 912f2000 97ffdf9a d2981bc1 b0003e60 (f9400293) <4>[ 107.219847] ---[ end trace 65b1a0a095d4f633 ]--- # Segmentation fault # [ 106.963984] lkdtm: Performing direct entry ACCESS_NULL # [ 106.969483] lkdtm: attempting bad read at 0000000000000000 # [ 106.975389] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000 # [ 106.984544] Mem abort info: # [ 106.987877] ESR = 0x96000004 # [ 106.991265] EC = 0x25: DABT (current EL), IL = 32 bits # [ 106.996879] SET = 0, FnV = 0 # [ 107.000207] EA = 0, S1PTW = 0 # [ 107.003638] Data abort info: # [ 107.006810] ISV = 0, ISS = 0x00000004 # [ 107.010933] CM = 0, WnR = 0 # [ 107.014196] user pgtable: 4k pages, 48-bit VAs, pgdp=00000008846a5000 # [ 107.020937] [0000000000000000] pgd=0000000000000000, p4d=0000000000000000 # [ 107.028043] Internal error: Oops: 0000000096000004 [#12] PREEMPT SMP # [ 107.034673] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 107.046429] CPU: 2 PID: 2014 Comm: cat Tainted: G D W 5.10.216-cip47 #1 # [ 107.054452] Hardware name: ARM Juno development board (r0) (DT) # [ 107.060652] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 107.066939] pc : lkdtm_ACCESS_NULL+0x34/0x78 # [ 107.071479] lr : lkdtm_ACCESS_NULL+0x2c/0x78 # [ 107.076019] sp : ffff800015bbbcf0 # [ 107.079604] x29: ffff800015bbbcf0 x28: ffff0008060a8000 # [ 107.085199] x27: 0000000000000000 x26: 0000000000000000 # [ 107.090794] x25: ffff80001150a190 x24: ffff800015bbbe20 # [ 107.096392] x23: 000000000000000c x22: ffff000805ac3000 # [ 107.101984] x21: ffff800011a27b58 x20: 0000000000000000 # [ 107.107576] x19: 0000000000000027 x18: 0000000000000000 # [ 107.113168] x17: 0000000000000000 x16: 0000000000000000 # [ 107.118759] x15: 0000000000000030 x14: ffffffffffffffff # [ 107.124351] x13: ffff800095bbb9da x12: ffff800015bbb9e2 # [ 107.129943] x11: ffff8000125d41c0 x10: 0000000000001440 # [ 107.135535] x9 : ffff80001012c154 x8 : 0000000000000000 # [ 107.141127] x7 : 0000000000000000 x6 : ffff8000125a5000 # [ 107.146718] x5 : ffff8000125a5c88 x4 : ffff00097ef90c68 # [ 107.152310] x3 : 0000000000000000 x2 : 0000000000000000 # [ 107.157902] x1 : 000000000000c0de x0 : ffff800011a28000 # [ 107.163494] Call trace: # [ 107.166208] lkdtm_ACCESS_NULL+0x34/0x78 # [ 107.170403] lkdtm_do_action+0x24/0x40 # [ 107.174422] direct_entry+0xd0/0x140 # [ 107.178268] full_proxy_write+0x68/0xbc # [ 107.182374] vfs_write+0xec/0x20c # [ 107.185956] ksys_write+0x70/0x100 # [ 107.189626] __arm64_sys_write+0x24/0x30 # [ 107.193821] el0_svc_common.constprop.0+0x84/0x1e0 # [ 107.198883] do_el0_svc+0x2c/0xa4 # [ 107.202465] el0_svc+0x20/0x30 # [ 107.205786] el0_sync_handler+0xb0/0xb4 # [ 107.209891] el0_sync+0x180/0x1c0 # [ 107.213477] Code: 912f2000 97ffdf9a d2981bc1 b0003e60 (f9400293) # [ 107.219847] ---[ end trace 65b1a0a095d4f633 ]--- # ACCESS_NULL: saw 'call trace:': ok ok 38 selftests: lkdtm: ACCESS_NULL.sh # selftests: lkdtm: WRITE_RO.sh <6>[ 107.674601] lkdtm: Performing direct entry WRITE_RO <6>[ 107.679909] lkdtm: attempting bad rodata write at ffff80001150a680 <1>[ 107.686511] Unable to handle kernel write to read-only memory at virtual address ffff80001150a680 <1>[ 107.695758] Mem abort info: <1>[ 107.699144] ESR = 0x9600004e <1>[ 107.702528] EC = 0x25: DABT (current EL), IL = 32 bits <1>[ 107.708146] SET = 0, FnV = 0 <1>[ 107.711494] EA = 0, S1PTW = 0 <1>[ 107.714921] Data abort info: <1>[ 107.718088] ISV = 0, ISS = 0x0000004e <1>[ 107.722211] CM = 0, WnR = 1 <1>[ 107.725469] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081de9000 <1>[ 107.732465] [ffff80001150a680] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=0060000081600781 <0>[ 107.743419] Internal error: Oops: 000000009600004e [#13] PREEMPT SMP <4>[ 107.750051] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 107.761809] CPU: 1 PID: 2060 Comm: cat Tainted: G D W 5.10.216-cip47 #1 <4>[ 107.769829] Hardware name: ARM Juno development board (r0) (DT) <4>[ 107.776028] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 107.782320] pc : lkdtm_WRITE_RO+0x44/0x5c <4>[ 107.786602] lr : lkdtm_WRITE_RO+0x2c/0x5c <4>[ 107.790884] sp : ffff800015c5bcf0 <4>[ 107.794466] x29: ffff800015c5bcf0 x28: ffff000800bfb100 <4>[ 107.800060] x27: 0000000000000000 x26: 0000000000000000 <4>[ 107.805656] x25: ffff80001150a190 x24: ffff800015c5be20 <4>[ 107.811249] x23: 0000000000000009 x22: ffff0008031f2000 <4>[ 107.816843] x21: ffff800011a27b68 x20: ffff80001150a410 <4>[ 107.822435] x19: ffff80001150a000 x18: 0000000000000000 <4>[ 107.828026] x17: 0000000000000000 x16: 0000000000000000 <4>[ 107.833618] x15: 0000000000000030 x14: ffffffffffffffff <4>[ 107.839210] x13: ffff800095c5b9da x12: ffff800015c5b9e2 <4>[ 107.844802] x11: ffff8000125d41c0 x10: 0000000000001440 <4>[ 107.850393] x9 : ffff80001012c154 x8 : 0000000000000000 <4>[ 107.855985] x7 : 0000000000000000 x6 : ffff8000125a5000 <4>[ 107.861577] x5 : ffff8000125a5c88 x4 : ffff00097efb2c68 <4>[ 107.867169] x3 : 0000000000000000 x2 : 00000000abcd1234 <4>[ 107.872761] x1 : 000000000198b861 x0 : ffff800011a28ab8 <4>[ 107.878352] Call trace: <4>[ 107.881066] lkdtm_WRITE_RO+0x44/0x5c <4>[ 107.885001] lkdtm_do_action+0x24/0x40 <4>[ 107.889019] direct_entry+0xd0/0x140 <4>[ 107.892865] full_proxy_write+0x68/0xbc <4>[ 107.896971] vfs_write+0xec/0x20c <4>[ 107.900553] ksys_write+0x70/0x100 <4>[ 107.904223] __arm64_sys_write+0x24/0x30 <4>[ 107.908418] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 107.913481] do_el0_svc+0x2c/0xa4 <4>[ 107.917063] el0_svc+0x20/0x30 <4>[ 107.920384] el0_sync_handler+0xb0/0xb4 <4>[ 107.924489] el0_sync+0x180/0x1c0 <0>[ 107.928075] Code: f2b579a2 b0003e60 ca020021 912ae000 (f9034261) <4>[ 107.934445] ---[ end trace 65b1a0a095d4f634 ]--- # Segmentation fault # [ 107.674601] lkdtm: Performing direct entry WRITE_RO # [ 107.679909] lkdtm: attempting bad rodata write at ffff80001150a680 # [ 107.686511] Unable to handle kernel write to read-only memory at virtual address ffff80001150a680 # [ 107.695758] Mem abort info: # [ 107.699144] ESR = 0x9600004e # [ 107.702528] EC = 0x25: DABT (current EL), IL = 32 bits # [ 107.708146] SET = 0, FnV = 0 # [ 107.711494] EA = 0, S1PTW = 0 # [ 107.714921] Data abort info: # [ 107.718088] ISV = 0, ISS = 0x0000004e # [ 107.722211] CM = 0, WnR = 1 # [ 107.725469] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081de9000 # [ 107.732465] [ffff80001150a680] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=0060000081600781 # [ 107.743419] Internal error: Oops: 000000009600004e [#13] PREEMPT SMP # [ 107.750051] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 107.761809] CPU: 1 PID: 2060 Comm: cat Tainted: G D W 5.10.216-cip47 #1 # [ 107.769829] Hardware name: ARM Juno development board (r0) (DT) # [ 107.776028] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 107.782320] pc : lkdtm_WRITE_RO+0x44/0x5c # [ 107.786602] lr : lkdtm_WRITE_RO+0x2c/0x5c # [ 107.790884] sp : ffff800015c5bcf0 # [ 107.794466] x29: ffff800015c5bcf0 x28: ffff000800bfb100 # [ 107.800060] x27: 0000000000000000 x26: 0000000000000000 # [ 107.805656] x25: ffff80001150a190 x24: ffff800015c5be20 # [ 107.811249] x23: 0000000000000009 x22: ffff0008031f2000 # [ 107.816843] x21: ffff800011a27b68 x20: ffff80001150a410 # [ 107.822435] x19: ffff80001150a000 x18: 0000000000000000 # [ 107.828026] x17: 0000000000000000 x16: 0000000000000000 # [ 107.833618] x15: 0000000000000030 x14: ffffffffffffffff # [ 107.839210] x13: ffff800095c5b9da x12: ffff800015c5b9e2 # [ 107.844802] x11: ffff8000125d41c0 x10: 0000000000001440 # [ 107.850393] x9 : ffff80001012c154 x8 : 0000000000000000 # [ 107.855985] x7 : 0000000000000000 x6 : ffff8000125a5000 # [ 107.861577] x5 : ffff8000125a5c88 x4 : ffff00097efb2c68 # [ 107.867169] x3 : 0000000000000000 x2 : 00000000abcd1234 # [ 107.872761] x1 : 000000000198b861 x0 : ffff800011a28ab8 # [ 107.878352] Call trace: # [ 107.881066] lkdtm_WRITE_RO+0x44/0x5c # [ 107.885001] lkdtm_do_action+0x24/0x40 # [ 107.889019] direct_entry+0xd0/0x140 # [ 107.892865] full_proxy_write+0x68/0xbc # [ 107.896971] vfs_write+0xec/0x20c # [ 107.900553] ksys_write+0x70/0x100 # [ 107.904223] __arm64_sys_write+0x24/0x30 # [ 107.908418] el0_svc_common.constprop.0+0x84/0x1e0 # [ 107.913481] do_el0_svc+0x2c/0xa4 # [ 107.917063] el0_svc+0x20/0x30 # [ 107.920384] el0_sync_handler+0xb0/0xb4 # [ 107.924489] el0_sync+0x180/0x1c0 # [ 107.928075] Code: f2b579a2 b0003e60 ca020021 912ae000 (f9034261) # [ 107.934445] ---[ end trace 65b1a0a095d4f634 ]--- # WRITE_RO: saw 'call trace:': ok ok 39 selftests: lkdtm: WRITE_RO.sh # selftests: lkdtm: WRITE_RO_AFTER_INIT.sh <6>[ 108.356329] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT <6>[ 108.362593] lkdtm: attempting bad ro_after_init write at ffff800011afc318 <1>[ 108.369740] Unable to handle kernel write to read-only memory at virtual address ffff800011afc318 <1>[ 108.379164] Mem abort info: <1>[ 108.382387] ESR = 0x9600004f <1>[ 108.385737] EC = 0x25: DABT (current EL), IL = 32 bits <1>[ 108.391347] SET = 0, FnV = 0 <1>[ 108.394690] EA = 0, S1PTW = 0 <1>[ 108.398123] Data abort info: <1>[ 108.401292] ISV = 0, ISS = 0x0000004f <1>[ 108.405421] CM = 0, WnR = 1 <1>[ 108.408665] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081de9000 <1>[ 108.415663] [ffff800011afc318] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=00000009ffffc003, pte=0060000081cfc783 <0>[ 108.428551] Internal error: Oops: 000000009600004f [#14] PREEMPT SMP <4>[ 108.435185] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 108.446935] CPU: 1 PID: 2106 Comm: cat Tainted: G D W 5.10.216-cip47 #1 <4>[ 108.454955] Hardware name: ARM Juno development board (r0) (DT) <4>[ 108.461155] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 108.467444] pc : lkdtm_WRITE_RO_AFTER_INIT+0x68/0x80 <4>[ 108.472685] lr : lkdtm_WRITE_RO_AFTER_INIT+0x50/0x80 <4>[ 108.477922] sp : ffff800015d2bcf0 <4>[ 108.481511] x29: ffff800015d2bcf0 x28: ffff000800bfb100 <4>[ 108.487113] x27: 0000000000000000 x26: 0000000000000000 <4>[ 108.492714] x25: ffff80001150a190 x24: ffff800015d2be20 <4>[ 108.498307] x23: 0000000000000014 x22: ffff000803134000 <4>[ 108.503900] x21: ffff800011a27b78 x20: ffff80001150a420 <4>[ 108.509492] x19: ffff800011afc000 x18: 0000000000000000 <4>[ 108.515083] x17: 0000000000000000 x16: 0000000000000000 <4>[ 108.520675] x15: 0000000000000030 x14: ffffffffffffffff <4>[ 108.526267] x13: ffff800095d2b9da x12: ffff800015d2b9e2 <4>[ 108.531859] x11: ffff8000125d41c0 x10: ffff80001262c360 <4>[ 108.537451] x9 : ffff80001012c154 x8 : ffff8000125d4360 <4>[ 108.543043] x7 : ffff80001262c360 x6 : ffff8000125a5000 <4>[ 108.548635] x5 : ffff8000125a5c88 x4 : ffff00097ef08c68 <4>[ 108.554226] x3 : 0000000000000000 x2 : 00000000abcd1234 <4>[ 108.559818] x1 : 00000000fe67479e x0 : ffff800011a28ab8 <4>[ 108.565410] Call trace: <4>[ 108.568124] lkdtm_WRITE_RO_AFTER_INIT+0x68/0x80 <4>[ 108.573016] lkdtm_do_action+0x24/0x40 <4>[ 108.577035] direct_entry+0xd0/0x140 <4>[ 108.580881] full_proxy_write+0x68/0xbc <4>[ 108.584988] vfs_write+0xec/0x20c <4>[ 108.588570] ksys_write+0x70/0x100 <4>[ 108.592240] __arm64_sys_write+0x24/0x30 <4>[ 108.596435] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 108.601498] do_el0_svc+0x2c/0xa4 <4>[ 108.605082] el0_svc+0x20/0x30 <4>[ 108.608403] el0_sync_handler+0xb0/0xb4 <4>[ 108.612508] el0_sync+0x180/0x1c0 <0>[ 108.616094] Code: f2b579a2 b0003e60 ca020021 912ae000 (f9018e61) <4>[ 108.622463] ---[ end trace 65b1a0a095d4f635 ]--- # Segmentation fault # [ 108.356329] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT # [ 108.362593] lkdtm: attempting bad ro_after_init write at ffff800011afc318 # [ 108.369740] Unable to handle kernel write to read-only memory at virtual address ffff800011afc318 # [ 108.379164] Mem abort info: # [ 108.382387] ESR = 0x9600004f # [ 108.385737] EC = 0x25: DABT (current EL), IL = 32 bits # [ 108.391347] SET = 0, FnV = 0 # [ 108.394690] EA = 0, S1PTW = 0 # [ 108.398123] Data abort info: # [ 108.401292] ISV = 0, ISS = 0x0000004f # [ 108.405421] CM = 0, WnR = 1 # [ 108.408665] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081de9000 # [ 108.415663] [ffff800011afc318] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=00000009ffffc003, pte=0060000081cfc783 # [ 108.428551] Internal error: Oops: 000000009600004f [#14] PREEMPT SMP # [ 108.435185] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 108.446935] CPU: 1 PID: 2106 Comm: cat Tainted: G D W 5.10.216-cip47 #1 # [ 108.454955] Hardware name: ARM Juno development board (r0) (DT) # [ 108.461155] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 108.467444] pc : lkdtm_WRITE_RO_AFTER_INIT+0x68/0x80 # [ 108.472685] lr : lkdtm_WRITE_RO_AFTER_INIT+0x50/0x80 # [ 108.477922] sp : ffff800015d2bcf0 # [ 108.481511] x29: ffff800015d2bcf0 x28: ffff000800bfb100 # [ 108.487113] x27: 0000000000000000 x26: 0000000000000000 # [ 108.492714] x25: ffff80001150a190 x24: ffff800015d2be20 # [ 108.498307] x23: 0000000000000014 x22: ffff000803134000 # [ 108.503900] x21: ffff800011a27b78 x20: ffff80001150a420 # [ 108.509492] x19: ffff800011afc000 x18: 0000000000000000 # [ 108.515083] x17: 0000000000000000 x16: 0000000000000000 # [ 108.520675] x15: 0000000000000030 x14: ffffffffffffffff # [ 108.526267] x13: ffff800095d2b9da x12: ffff800015d2b9e2 # [ 108.531859] x11: ffff8000125d41c0 x10: ffff80001262c360 # [ 108.537451] x9 : ffff80001012c154 x8 : ffff8000125d4360 # [ 108.543043] x7 : ffff80001262c360 x6 : ffff8000125a5000 # [ 108.548635] x5 : ffff8000125a5c88 x4 : ffff00097ef08c68 # [ 108.554226] x3 : 0000000000000000 x2 : 00000000abcd1234 # [ 108.559818] x1 : 00000000fe67479e x0 : ffff800011a28ab8 # [ 108.565410] Call trace: # [ 108.568124] lkdtm_WRITE_RO_AFTER_INIT+0x68/0x80 # [ 108.573016] lkdtm_do_action+0x24/0x40 # [ 108.577035] direct_entry+0xd0/0x140 # [ 108.580881] full_proxy_write+0x68/0xbc # [ 108.584988] vfs_write+0xec/0x20c # [ 108.588570] ksys_write+0x70/0x100 # [ 108.592240] __arm64_sys_write+0x24/0x30 # [ 108.596435] el0_svc_common.constprop.0+0x84/0x1e0 # [ 108.601498] do_el0_svc+0x2c/0xa4 # [ 108.605082] el0_svc+0x20/0x30 # [ 108.608403] el0_sync_handler+0xb0/0xb4 # [ 108.612508] el0_sync+0x180/0x1c0 # [ 108.616094] Code: f2b579a2 b0003e60 ca020021 912ae000 (f9018e61) # [ 108.622463] ---[ end trace 65b1a0a095d4f635 ]--- # WRITE_RO_AFTER_INIT: saw 'call trace:': ok ok 40 selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # selftests: lkdtm: WRITE_KERN.sh <6>[ 109.075974] lkdtm: Performing direct entry WRITE_KERN <6>[ 109.081393] lkdtm: attempting bad 8728336 byte write at ffff80001125b0a0 <1>[ 109.088459] Unable to handle kernel write to read-only memory at virtual address ffff80001125b0a0 <1>[ 109.097813] Mem abort info: <1>[ 109.101173] ESR = 0x9600004f <1>[ 109.104512] EC = 0x25: DABT (current EL), IL = 32 bits <1>[ 109.110143] SET = 0, FnV = 0 <1>[ 109.113487] EA = 0, S1PTW = 0 <1>[ 109.116932] Data abort info: <1>[ 109.120086] ISV = 0, ISS = 0x0000004f <1>[ 109.124213] CM = 0, WnR = 1 <1>[ 109.127470] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081de9000 <1>[ 109.134470] [ffff80001125b0a0] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=00000009ffffd003, pte=005000008145b783 <0>[ 109.147347] Internal error: Oops: 000000009600004f [#15] PREEMPT SMP <4>[ 109.153981] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 109.165734] CPU: 2 PID: 2152 Comm: cat Tainted: G D W 5.10.216-cip47 #1 <4>[ 109.173757] Hardware name: ARM Juno development board (r0) (DT) <4>[ 109.179960] pstate: 20000005 (nzCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 109.186253] pc : __memcpy+0x110/0x180 <4>[ 109.190194] lr : lkdtm_WRITE_KERN+0x54/0x88 <4>[ 109.194650] sp : ffff800015dfbce0 <4>[ 109.198232] x29: ffff800015dfbce0 x28: ffff00080469c980 <4>[ 109.203830] x27: 0000000000000000 x26: 0000000000000000 <4>[ 109.209423] x25: ffff80001150a190 x24: ffff800015dfbe20 <4>[ 109.215018] x23: 000000000000000b x22: ffff00080468b000 <4>[ 109.220616] x21: 0000000000852f10 x20: ffff800010a08190 <4>[ 109.226210] x19: ffff80001125b0a0 x18: 0000000000000001 <4>[ 109.231807] x17: 0000000000000000 x16: 0000000000000000 <4>[ 109.237399] x15: 0000000000000030 x14: f9000fe097e4f67e <4>[ 109.242991] x13: f9467800910003fd x12: 52819801d2800802 <4>[ 109.248583] x11: a9be7bfdb0008780 x10: d503233fd503201f <4>[ 109.254175] x9 : aa1e03e9d65f03c0 x8 : d50323bfd503233f <4>[ 109.259767] x7 : d503201faa1e03e9 x6 : ffff80001125b0a0 <4>[ 109.265359] x5 : ffff8000125a5c88 x4 : 0000000000000000 <4>[ 109.270950] x3 : 0000000000000000 x2 : 0000000000852e90 <4>[ 109.276542] x1 : ffff800010a081d0 x0 : ffff80001125b0a0 <4>[ 109.282134] Call trace: <4>[ 109.284849] __memcpy+0x110/0x180 <4>[ 109.288435] lkdtm_do_action+0x24/0x40 <4>[ 109.292454] direct_entry+0xd0/0x140 <4>[ 109.296300] full_proxy_write+0x68/0xbc <4>[ 109.300406] vfs_write+0xec/0x20c <4>[ 109.303989] ksys_write+0x70/0x100 <4>[ 109.307659] __arm64_sys_write+0x24/0x30 <4>[ 109.311854] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 109.316917] do_el0_svc+0x2c/0xa4 <4>[ 109.320500] el0_svc+0x20/0x30 <4>[ 109.323821] el0_sync_handler+0xb0/0xb4 <4>[ 109.327926] el0_sync+0x180/0x1c0 <0>[ 109.331512] Code: a8c12027 a8c12829 a8c1302b a8c1382d (a88120c7) <4>[ 109.337882] ---[ end trace 65b1a0a095d4f636 ]--- # Segmentation fault # [ 109.075974] lkdtm: Performing direct entry WRITE_KERN # [ 109.081393] lkdtm: attempting bad 8728336 byte write at ffff80001125b0a0 # [ 109.088459] Unable to handle kernel write to read-only memory at virtual address ffff80001125b0a0 # [ 109.097813] Mem abort info: # [ 109.101173] ESR = 0x9600004f # [ 109.104512] EC = 0x25: DABT (current EL), IL = 32 bits # [ 109.110143] SET = 0, FnV = 0 # [ 109.113487] EA = 0, S1PTW = 0 # [ 109.116932] Data abort info: # [ 109.120086] ISV = 0, ISS = 0x0000004f # [ 109.124213] CM = 0, WnR = 1 # [ 109.127470] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081de9000 # [ 109.134470] [ffff80001125b0a0] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=00000009ffffd003, pte=005000008145b783 # [ 109.147347] Internal error: Oops: 000000009600004f [#15] PREEMPT SMP # [ 109.153981] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 109.165734] CPU: 2 PID: 2152 Comm: cat Tainted: G D W 5.10.216-cip47 #1 # [ 109.173757] Hardware name: ARM Juno development board (r0) (DT) # [ 109.179960] pstate: 20000005 (nzCv daif -PAN -UAO -TCO BTYPE=--) # [ 109.186253] pc : __memcpy+0x110/0x180 # [ 109.190194] lr : lkdtm_WRITE_KERN+0x54/0x88 # [ 109.194650] sp : ffff800015dfbce0 # [ 109.198232] x29: ffff800015dfbce0 x28: ffff00080469c980 # [ 109.203830] x27: 0000000000000000 x26: 0000000000000000 # [ 109.209423] x25: ffff80001150a190 x24: ffff800015dfbe20 # [ 109.215018] x23: 000000000000000b x22: ffff00080468b000 # [ 109.220616] x21: 0000000000852f10 x20: ffff800010a08190 # [ 109.226210] x19: ffff80001125b0a0 x18: 0000000000000001 # [ 109.231807] x17: 0000000000000000 x16: 0000000000000000 # [ 109.237399] x15: 0000000000000030 x14: f9000fe097e4f67e # [ 109.242991] x13: f9467800910003fd x12: 52819801d2800802 # [ 109.248583] x11: a9be7bfdb0008780 x10: d503233fd503201f # [ 109.254175] x9 : aa1e03e9d65f03c0 x8 : d50323bfd503233f # [ 109.259767] x7 : d503201faa1e03e9 x6 : ffff80001125b0a0 # [ 109.265359] x5 : ffff8000125a5c88 x4 : 0000000000000000 # [ 109.270950] x3 : 0000000000000000 x2 : 0000000000852e90 # [ 109.276542] x1 : ffff800010a081d0 x0 : ffff80001125b0a0 # [ 109.282134] Call trace: # [ 109.284849] __memcpy+0x110/0x180 # [ 109.288435] lkdtm_do_action+0x24/0x40 # [ 109.292454] direct_entry+0xd0/0x140 # [ 109.296300] full_proxy_write+0x68/0xbc # [ 109.300406] vfs_write+0xec/0x20c # [ 109.303989] ksys_write+0x70/0x100 # [ 109.307659] __arm64_sys_write+0x24/0x30 # [ 109.311854] el0_svc_common.constprop.0+0x84/0x1e0 # [ 109.316917] do_el0_svc+0x2c/0xa4 # [ 109.320500] el0_svc+0x20/0x30 # [ 109.323821] el0_sync_handler+0xb0/0xb4 # [ 109.327926] el0_sync+0x180/0x1c0 # [ 109.331512] Code: a8c12027 a8c12829 a8c1302b a8c1382d (a88120c7) # [ 109.337882] ---[ end trace 65b1a0a095d4f636 ]--- # WRITE_KERN: saw 'call trace:': ok ok 41 selftests: lkdtm: WRITE_KERN.sh # selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh <6>[ 109.799198] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW <6>[ 109.805583] lkdtm: attempting good refcount_inc() without overflow <6>[ 109.812112] lkdtm: attempting bad refcount_inc() overflow <4>[ 109.817838] ------------[ cut here ]------------ <4>[ 109.822844] refcount_t: saturated; leaking memory. <4>[ 109.828180] WARNING: CPU: 2 PID: 2198 at lib/refcount.c:22 refcount_warn_saturate+0x74/0x144 <4>[ 109.836900] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 109.848650] CPU: 2 PID: 2198 Comm: cat Tainted: G D W 5.10.216-cip47 #1 <4>[ 109.856669] Hardware name: ARM Juno development board (r0) (DT) <4>[ 109.862866] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 109.869147] pc : refcount_warn_saturate+0x74/0x144 <4>[ 109.874209] lr : refcount_warn_saturate+0x74/0x144 <4>[ 109.879269] sp : ffff800015ebbcd0 <4>[ 109.882850] x29: ffff800015ebbcd0 x28: ffff000808571880 <4>[ 109.888443] x27: 0000000000000000 x26: 0000000000000000 <4>[ 109.894037] x25: ffff80001150a190 x24: ffff800015ebbe20 <4>[ 109.899629] x23: 0000000000000016 x22: ffff0008075f0000 <4>[ 109.905222] x21: ffff800011a27ba0 x20: ffff80001150a440 <4>[ 109.910813] x19: 000000000000002b x18: 0000000000000000 <4>[ 109.916405] x17: 0000000000000000 x16: 0000000000000000 <4>[ 109.921997] x15: 0000000000000000 x14: ffff0008002f0000 <4>[ 109.927589] x13: ffff80096d16d000 x12: 0000000030d4d91d <4>[ 109.933181] x11: 0000000000000000 x10: 0000000000001440 <4>[ 109.938773] x9 : ffff80001012c154 x8 : 0000000000000000 <4>[ 109.944365] x7 : 0000000000000002 x6 : ffff8000125a5000 <4>[ 109.949957] x5 : ffff8000125a5c88 x4 : ffff00097ef4cc68 <4>[ 109.955548] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 109.961140] x1 : 0000000000000000 x0 : ffff000808571880 <4>[ 109.966732] Call trace: <4>[ 109.969445] refcount_warn_saturate+0x74/0x144 <4>[ 109.974163] __refcount_add.constprop.0+0x7c/0x90 <4>[ 109.979140] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0xa0 <4>[ 109.984203] lkdtm_do_action+0x24/0x40 <4>[ 109.988221] direct_entry+0xd0/0x140 <4>[ 109.992066] full_proxy_write+0x68/0xbc <4>[ 109.996173] vfs_write+0xec/0x20c <4>[ 109.999755] ksys_write+0x70/0x100 <4>[ 110.003424] __arm64_sys_write+0x24/0x30 <4>[ 110.007619] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 110.012682] do_el0_svc+0x2c/0xa4 <4>[ 110.016265] el0_svc+0x20/0x30 <4>[ 110.019586] el0_sync_handler+0xb0/0xb4 <4>[ 110.023691] el0_sync+0x180/0x1c0 <4>[ 110.027272] irq event stamp: 0 <4>[ 110.030595] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 110.037140] hardirqs last disabled at (0): [] copy_process+0x5d4/0x1de0 <4>[ 110.045599] softirqs last enabled at (0): [] copy_process+0x5d4/0x1de0 <4>[ 110.054054] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 110.060594] ---[ end trace 65b1a0a095d4f637 ]--- <6>[ 110.065617] lkdtm: Overflow detected: saturated # [ 109.799198] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW # [ 109.805583] lkdtm: attempting good refcount_inc() without overflow # [ 109.812112] lkdtm: attempting bad refcount_inc() overflow # [ 109.817838] ------------[ cut here ]------------ # [ 109.822844] refcount_t: saturated; leaking memory. # [ 109.828180] WARNING: CPU: 2 PID: 2198 at lib/refcount.c:22 refcount_warn_saturate+0x74/0x144 # [ 109.836900] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 109.848650] CPU: 2 PID: 2198 Comm: cat Tainted: G D W 5.10.216-cip47 #1 # [ 109.856669] Hardware name: ARM Juno development board (r0) (DT) # [ 109.862866] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 109.869147] pc : refcount_warn_saturate+0x74/0x144 # [ 109.874209] lr : refcount_warn_saturate+0x74/0x144 # [ 109.879269] sp : ffff800015ebbcd0 # [ 109.882850] x29: ffff800015ebbcd0 x28: ffff000808571880 # [ 109.888443] x27: 0000000000000000 x26: 0000000000000000 # [ 109.894037] x25: ffff80001150a190 x24: ffff800015ebbe20 # [ 109.899629] x23: 0000000000000016 x22: ffff0008075f0000 # [ 109.905222] x21: ffff800011a27ba0 x20: ffff80001150a440 # [ 109.910813] x19: 000000000000002b x18: 0000000000000000 # [ 109.916405] x17: 0000000000000000 x16: 0000000000000000 # [ 109.921997] x15: 0000000000000000 x14: ffff0008002f0000 # [ 109.927589] x13: ffff80096d16d000 x12: 0000000030d4d91d # [ 109.933181] x11: 0000000000000000 x10: 0000000000001440 # [ 109.938773] x9 : ffff80001012c154 x8 : 0000000000000000 # [ 109.944365] x7 : 0000000000000002 x6 : ffff8000125a5000 # [ 109.949957] x5 : ffff8000125a5c88 x4 : ffff00097ef4cc68 # [ 109.955548] x3 : 0000000000000000 x2 : 0000000000000000 # [ 109.961140] x1 : 0000000000000000 x0 : ffff000808571880 # [ 109.966732] Call trace: # [ 109.969445] refcount_warn_saturate+0x74/0x144 # [ 109.974163] __refcount_add.constprop.0+0x7c/0x90 # [ 109.979140] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0xa0 # [ 109.984203] lkdtm_do_action+0x24/0x40 # [ 109.988221] direct_entry+0xd0/0x140 # [ 109.992066] full_proxy_write+0x68/0xbc # [ 109.996173] vfs_write+0xec/0x20c # [ 109.999755] ksys_write+0x70/0x100 # [ 110.003424] __arm64_sys_write+0x24/0x30 # [ 110.007619] el0_svc_common.constprop.0+0x84/0x1e0 # [ 110.012682] do_el0_svc+0x2c/0xa4 # [ 110.016265] el0_svc+0x20/0x30 # [ 110.019586] el0_sync_handler+0xb0/0xb4 # [ 110.023691] el0_sync+0x180/0x1c0 # [ 110.027272] irq event stamp: 0 # [ 110.030595] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 110.037140] hardirqs last disabled at (0): [] copy_process+0x5d4/0x1de0 # [ 110.045599] softirqs last enabled at (0): [] copy_process+0x5d4/0x1de0 # [ 110.054054] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 110.060594] ---[ end trace 65b1a0a095d4f637 ]--- # [ 110.065617] 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 <6>[ 110.531097] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW <6>[ 110.537436] lkdtm: attempting good refcount_add() without overflow <6>[ 110.543935] lkdtm: attempting bad refcount_add() overflow <4>[ 110.549682] ------------[ cut here ]------------ <4>[ 110.554617] refcount_t: saturated; leaking memory. <4>[ 110.559933] WARNING: CPU: 1 PID: 2231 at lib/refcount.c:22 refcount_warn_saturate+0x74/0x144 <4>[ 110.568650] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 110.580404] CPU: 1 PID: 2231 Comm: cat Tainted: G D W 5.10.216-cip47 #1 <4>[ 110.588424] Hardware name: ARM Juno development board (r0) (DT) <4>[ 110.594620] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 110.600901] pc : refcount_warn_saturate+0x74/0x144 <4>[ 110.605964] lr : refcount_warn_saturate+0x74/0x144 <4>[ 110.611024] sp : ffff800015f33cd0 <4>[ 110.614605] x29: ffff800015f33cd0 x28: ffff000806bbe200 <4>[ 110.620200] x27: 0000000000000000 x26: 0000000000000000 <4>[ 110.625794] x25: ffff80001150a190 x24: ffff800015f33e20 <4>[ 110.631387] x23: 0000000000000016 x22: ffff000807d41000 <4>[ 110.636979] x21: ffff800011a27bb8 x20: ffff80001150a450 <4>[ 110.642572] x19: 000000000000002c x18: 0000000000000000 <4>[ 110.648164] x17: 0000000000000000 x16: 0000000000000000 <4>[ 110.653756] x15: 0000000000000030 x14: ffffffffffffffff <4>[ 110.659349] x13: ffff800095f3397a x12: ffff800015f33982 <4>[ 110.664942] x11: ffff8000125d41c0 x10: ffff80001262c360 <4>[ 110.670534] x9 : ffff80001012c154 x8 : ffff8000125d4360 <4>[ 110.676126] x7 : ffff80001262c360 x6 : ffff8000125a5000 <4>[ 110.681718] x5 : ffff8000125a5c88 x4 : ffff00097ef2ac68 <4>[ 110.687310] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 110.692902] x1 : 0000000000000000 x0 : ffff000806bbe200 <4>[ 110.698494] Call trace: <4>[ 110.701208] refcount_warn_saturate+0x74/0x144 <4>[ 110.705928] __refcount_add.constprop.0+0x7c/0x90 <4>[ 110.710906] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7c/0xac <4>[ 110.715969] lkdtm_do_action+0x24/0x40 <4>[ 110.719988] direct_entry+0xd0/0x140 <4>[ 110.723833] full_proxy_write+0x68/0xbc <4>[ 110.727940] vfs_write+0xec/0x20c <4>[ 110.731522] ksys_write+0x70/0x100 <4>[ 110.735191] __arm64_sys_write+0x24/0x30 <4>[ 110.739386] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 110.744449] do_el0_svc+0x2c/0xa4 <4>[ 110.748032] el0_svc+0x20/0x30 <4>[ 110.751354] el0_sync_handler+0xb0/0xb4 <4>[ 110.755459] el0_sync+0x180/0x1c0 <4>[ 110.759040] irq event stamp: 0 <4>[ 110.762364] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 110.768909] hardirqs last disabled at (0): [] copy_process+0x5d4/0x1de0 <4>[ 110.777368] softirqs last enabled at (0): [] copy_process+0x5d4/0x1de0 <4>[ 110.785823] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 110.792363] ---[ end trace 65b1a0a095d4f638 ]--- <6>[ 110.797326] lkdtm: Overflow detected: saturated # [ 110.531097] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW # [ 110.537436] lkdtm: attempting good refcount_add() without overflow # [ 110.543935] lkdtm: attempting bad refcount_add() overflow # [ 110.549682] ------------[ cut here ]------------ # [ 110.554617] refcount_t: saturated; leaking memory. # [ 110.559933] WARNING: CPU: 1 PID: 2231 at lib/refcount.c:22 refcount_warn_saturate+0x74/0x144 # [ 110.568650] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 110.580404] CPU: 1 PID: 2231 Comm: cat Tainted: G D W 5.10.216-cip47 #1 # [ 110.588424] Hardware name: ARM Juno development board (r0) (DT) # [ 110.594620] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 110.600901] pc : refcount_warn_saturate+0x74/0x144 # [ 110.605964] lr : refcount_warn_saturate+0x74/0x144 # [ 110.611024] sp : ffff800015f33cd0 # [ 110.614605] x29: ffff800015f33cd0 x28: ffff000806bbe200 # [ 110.620200] x27: 0000000000000000 x26: 0000000000000000 # [ 110.625794] x25: ffff80001150a190 x24: ffff800015f33e20 # [ 110.631387] x23: 0000000000000016 x22: ffff000807d41000 # [ 110.636979] x21: ffff800011a27bb8 x20: ffff80001150a450 # [ 110.642572] x19: 000000000000002c x18: 0000000000000000 # [ 110.648164] x17: 0000000000000000 x16: 0000000000000000 # [ 110.653756] x15: 0000000000000030 x14: ffffffffffffffff # [ 110.659349] x13: ffff800095f3397a x12: ffff800015f33982 # [ 110.664942] x11: ffff8000125d41c0 x10: ffff80001262c360 # [ 110.670534] x9 : ffff80001012c154 x8 : ffff8000125d4360 # [ 110.676126] x7 : ffff80001262c360 x6 : ffff8000125a5000 # [ 110.681718] x5 : ffff8000125a5c88 x4 : ffff00097ef2ac68 # [ 110.687310] x3 : 0000000000000000 x2 : 0000000000000000 # [ 110.692902] x1 : 0000000000000000 x0 : ffff000806bbe200 # [ 110.698494] Call trace: # [ 110.701208] refcount_warn_saturate+0x74/0x144 # [ 110.705928] __refcount_add.constprop.0+0x7c/0x90 # [ 110.710906] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7c/0xac # [ 110.715969] lkdtm_do_action+0x24/0x40 # [ 110.719988] direct_entry+0xd0/0x140 # [ 110.723833] full_proxy_write+0x68/0xbc # [ 110.727940] vfs_write+0xec/0x20c # [ 110.731522] ksys_write+0x70/0x100 # [ 110.735191] __arm64_sys_write+0x24/0x30 # [ 110.739386] el0_svc_common.constprop.0+0x84/0x1e0 # [ 110.744449] do_el0_svc+0x2c/0xa4 # [ 110.748032] el0_svc+0x20/0x30 # [ 110.751354] el0_sync_handler+0xb0/0xb4 # [ 110.755459] el0_sync+0x180/0x1c0 # [ 110.759040] irq event stamp: 0 # [ 110.762364] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 110.768909] hardirqs last disabled at (0): [] copy_process+0x5d4/0x1de0 # [ 110.777368] softirqs last enabled at (0): [] copy_process+0x5d4/0x1de0 # [ 110.785823] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 110.792363] ---[ end trace 65b1a0a095d4f638 ]--- # [ 110.797326] 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 <6>[ 111.253409] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW <6>[ 111.260537] lkdtm: attempting bad refcount_inc_not_zero() overflow <4>[ 111.267128] ------------[ cut here ]------------ <4>[ 111.272296] refcount_t: saturated; leaking memory. <4>[ 111.277543] WARNING: CPU: 1 PID: 2264 at lib/refcount.c:19 refcount_warn_saturate+0xc8/0x144 <4>[ 111.286260] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 111.298009] CPU: 1 PID: 2264 Comm: cat Tainted: G D W 5.10.216-cip47 #1 <4>[ 111.306029] Hardware name: ARM Juno development board (r0) (DT) <4>[ 111.312224] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 111.318505] pc : refcount_warn_saturate+0xc8/0x144 <4>[ 111.323567] lr : refcount_warn_saturate+0xc8/0x144 <4>[ 111.328626] sp : ffff800015fb3cb0 <4>[ 111.332208] x29: ffff800015fb3cb0 x28: ffff000802553100 <4>[ 111.337801] x27: 0000000000000000 x26: 0000000000000000 <4>[ 111.343394] x25: ffff80001150a190 x24: ffff800015fb3e20 <4>[ 111.348986] x23: 000000000000001f x22: ffff000807e62000 <4>[ 111.354579] x21: 0000000000000001 x20: 000000007fffffff <4>[ 111.360172] x19: ffff800015fb3d04 x18: 0000000000000000 <4>[ 111.365763] x17: 0000000000000000 x16: 0000000000000000 <4>[ 111.371355] x15: 0000000000000030 x14: ffffffffffffffff <4>[ 111.376948] x13: ffff800095fb395a x12: ffff800015fb3962 <4>[ 111.382540] x11: ffff8000125d41c0 x10: ffff80001262c360 <4>[ 111.388131] x9 : ffff80001012c154 x8 : ffff8000125d4360 <4>[ 111.393723] x7 : ffff80001262c360 x6 : ffff8000125a5000 <4>[ 111.399315] x5 : ffff8000125a5c88 x4 : ffff00097ef2ac68 <4>[ 111.404906] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 111.410497] x1 : 0000000000000000 x0 : ffff000802553100 <4>[ 111.416090] Call trace: <4>[ 111.418803] refcount_warn_saturate+0xc8/0x144 <4>[ 111.423520] __refcount_add_not_zero.constprop.0+0x98/0xb4 <4>[ 111.429279] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x48/0x8c <4>[ 111.435127] lkdtm_do_action+0x24/0x40 <4>[ 111.439145] direct_entry+0xd0/0x140 <4>[ 111.442990] full_proxy_write+0x68/0xbc <4>[ 111.447096] vfs_write+0xec/0x20c <4>[ 111.450678] ksys_write+0x70/0x100 <4>[ 111.454348] __arm64_sys_write+0x24/0x30 <4>[ 111.458543] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 111.463605] do_el0_svc+0x2c/0xa4 <4>[ 111.467188] el0_svc+0x20/0x30 <4>[ 111.470510] el0_sync_handler+0xb0/0xb4 <4>[ 111.474614] el0_sync+0x180/0x1c0 <4>[ 111.478195] irq event stamp: 0 <4>[ 111.481519] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 111.488065] hardirqs last disabled at (0): [] copy_process+0x5d4/0x1de0 <4>[ 111.496523] softirqs last enabled at (0): [] copy_process+0x5d4/0x1de0 <4>[ 111.504978] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 111.511517] ---[ end trace 65b1a0a095d4f639 ]--- <6>[ 111.516476] lkdtm: Overflow detected: saturated # [ 111.253409] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 111.260537] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 111.267128] ------------[ cut here ]------------ # [ 111.272296] refcount_t: saturated; leaking memory. # [ 111.277543] WARNING: CPU: 1 PID: 2264 at lib/refcount.c:19 refcount_warn_saturate+0xc8/0x144 # [ 111.286260] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 111.298009] CPU: 1 PID: 2264 Comm: cat Tainted: G D W 5.10.216-cip47 #1 # [ 111.306029] Hardware name: ARM Juno development board (r0) (DT) # [ 111.312224] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 111.318505] pc : refcount_warn_saturate+0xc8/0x144 # [ 111.323567] lr : refcount_warn_saturate+0xc8/0x144 # [ 111.328626] sp : ffff800015fb3cb0 # [ 111.332208] x29: ffff800015fb3cb0 x28: ffff000802553100 # [ 111.337801] x27: 0000000000000000 x26: 0000000000000000 # [ 111.343394] x25: ffff80001150a190 x24: ffff800015fb3e20 # [ 111.348986] x23: 000000000000001f x22: ffff000807e62000 # [ 111.354579] x21: 0000000000000001 x20: 000000007fffffff # [ 111.360172] x19: ffff800015fb3d04 x18: 0000000000000000 # [ 111.365763] x17: 0000000000000000 x16: 0000000000000000 # [ 111.371355] x15: 0000000000000030 x14: ffffffffffffffff # [ 111.376948] x13: ffff800095fb395a x12: ffff800015fb3962 # [ 111.382540] x11: ffff8000125d41c0 x10: ffff80001262c360 # [ 111.388131] x9 : ffff80001012c154 x8 : ffff8000125d4360 # [ 111.393723] x7 : ffff80001262c360 x6 : ffff8000125a5000 # [ 111.399315] x5 : ffff8000125a5c88 x4 : ffff00097ef2ac68 # [ 111.404906] x3 : 0000000000000000 x2 : 0000000000000000 # [ 111.410497] x1 : 0000000000000000 x0 : ffff000802553100 # [ 111.416090] Call trace: # [ 111.418803] refcount_warn_saturate+0xc8/0x144 # [ 111.423520] __refcount_add_not_zero.constprop.0+0x98/0xb4 # [ 111.429279] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x48/0x8c # [ 111.435127] lkdtm_do_action+0x24/0x40 # [ 111.439145] direct_entry+0xd0/0x140 # [ 111.442990] full_proxy_write+0x68/0xbc # [ 111.447096] vfs_write+0xec/0x20c # [ 111.450678] ksys_write+0x70/0x100 # [ 111.454348] __arm64_sys_write+0x24/0x30 # [ 111.458543] el0_svc_common.constprop.0+0x84/0x1e0 # [ 111.463605] do_el0_svc+0x2c/0xa4 # [ 111.467188] el0_svc+0x20/0x30 # [ 111.470510] el0_sync_handler+0xb0/0xb4 # [ 111.474614] el0_sync+0x180/0x1c0 # [ 111.478195] irq event stamp: 0 # [ 111.481519] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 111.488065] hardirqs last disabled at (0): [] copy_process+0x5d4/0x1de0 # [ 111.496523] softirqs last enabled at (0): [] copy_process+0x5d4/0x1de0 # [ 111.504978] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 111.511517] ---[ end trace 65b1a0a095d4f639 ]--- # [ 111.516476] 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 <6>[ 111.968863] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW <6>[ 111.975996] lkdtm: attempting bad refcount_add_not_zero() overflow <4>[ 111.982514] ------------[ cut here ]------------ <4>[ 111.987460] refcount_t: saturated; leaking memory. <4>[ 111.992719] WARNING: CPU: 4 PID: 2297 at lib/refcount.c:19 refcount_warn_saturate+0xc8/0x144 <4>[ 112.001442] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 112.013229] CPU: 4 PID: 2297 Comm: cat Tainted: G D W 5.10.216-cip47 #1 <4>[ 112.021254] Hardware name: ARM Juno development board (r0) (DT) <4>[ 112.027456] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 112.033744] pc : refcount_warn_saturate+0xc8/0x144 <4>[ 112.038813] lr : refcount_warn_saturate+0xc8/0x144 <4>[ 112.043879] sp : ffff80001603bcb0 <4>[ 112.047465] x29: ffff80001603bcb0 x28: ffff00080255b100 <4>[ 112.053068] x27: 0000000000000000 x26: 0000000000000000 <4>[ 112.058670] x25: ffff80001150a190 x24: ffff80001603be20 <4>[ 112.064272] x23: 000000000000001f x22: ffff0008066e5000 <4>[ 112.069875] x21: 0000000000000006 x20: 000000007fffffff <4>[ 112.075477] x19: ffff80001603bd04 x18: 0000000000000000 <4>[ 112.081079] x17: 0000000000000000 x16: 0000000000000000 <4>[ 112.086683] x15: 0000000000000030 x14: ffffffffffffffff <4>[ 112.092285] x13: ffff80009603b95a x12: ffff80001603b962 <4>[ 112.097888] x11: ffff8000125d41c0 x10: 0000000000001440 <4>[ 112.103490] x9 : ffff80001012c154 x8 : 0000000000000000 <4>[ 112.109092] x7 : 0000000000000000 x6 : ffff8000125a5000 <4>[ 112.114695] x5 : ffff8000125a5c88 x4 : ffff00097ef90c68 <4>[ 112.120297] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 112.125899] x1 : 0000000000000000 x0 : ffff00080255b100 <4>[ 112.131502] Call trace: <4>[ 112.134222] refcount_warn_saturate+0xc8/0x144 <4>[ 112.138947] __refcount_add_not_zero.constprop.0+0x98/0xb4 <4>[ 112.144713] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x48/0x8c <4>[ 112.150569] lkdtm_do_action+0x24/0x40 <4>[ 112.154594] direct_entry+0xd0/0x140 <4>[ 112.158446] full_proxy_write+0x68/0xbc <4>[ 112.162560] vfs_write+0xec/0x20c <4>[ 112.166150] ksys_write+0x70/0x100 <4>[ 112.169827] __arm64_sys_write+0x24/0x30 <4>[ 112.174028] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 112.179098] do_el0_svc+0x2c/0xa4 <4>[ 112.182688] el0_svc+0x20/0x30 <4>[ 112.186016] el0_sync_handler+0xb0/0xb4 <4>[ 112.190128] el0_sync+0x180/0x1c0 <4>[ 112.193714] irq event stamp: 0 <4>[ 112.197046] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 112.203599] hardirqs last disabled at (0): [] copy_process+0x5d4/0x1de0 <4>[ 112.212065] softirqs last enabled at (0): [] copy_process+0x5d4/0x1de0 <4>[ 112.220527] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 112.227073] ---[ end trace 65b1a0a095d4f63a ]--- <6>[ 112.232266] lkdtm: Overflow detected: saturated # [ 111.968863] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 111.975996] lkdtm: attempting bad refcount_add_not_zero() overflow # [ 111.982514] ------------[ cut here ]------------ # [ 111.987460] refcount_t: saturated; leaking memory. # [ 111.992719] WARNING: CPU: 4 PID: 2297 at lib/refcount.c:19 refcount_warn_saturate+0xc8/0x144 # [ 112.001442] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 112.013229] CPU: 4 PID: 2297 Comm: cat Tainted: G D W 5.10.216-cip47 #1 # [ 112.021254] Hardware name: ARM Juno development board (r0) (DT) # [ 112.027456] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 112.033744] pc : refcount_warn_saturate+0xc8/0x144 # [ 112.038813] lr : refcount_warn_saturate+0xc8/0x144 # [ 112.043879] sp : ffff80001603bcb0 # [ 112.047465] x29: ffff80001603bcb0 x28: ffff00080255b100 # [ 112.053068] x27: 0000000000000000 x26: 0000000000000000 # [ 112.058670] x25: ffff80001150a190 x24: ffff80001603be20 # [ 112.064272] x23: 000000000000001f x22: ffff0008066e5000 # [ 112.069875] x21: 0000000000000006 x20: 000000007fffffff # [ 112.075477] x19: ffff80001603bd04 x18: 0000000000000000 # [ 112.081079] x17: 0000000000000000 x16: 0000000000000000 # [ 112.086683] x15: 0000000000000030 x14: ffffffffffffffff # [ 112.092285] x13: ffff80009603b95a x12: ffff80001603b962 # [ 112.097888] x11: ffff8000125d41c0 x10: 0000000000001440 # [ 112.103490] x9 : ffff80001012c154 x8 : 0000000000000000 # [ 112.109092] x7 : 0000000000000000 x6 : ffff8000125a5000 # [ 112.114695] x5 : ffff8000125a5c88 x4 : ffff00097ef90c68 # [ 112.120297] x3 : 0000000000000000 x2 : 0000000000000000 # [ 112.125899] x1 : 0000000000000000 x0 : ffff00080255b100 # [ 112.131502] Call trace: # [ 112.134222] refcount_warn_saturate+0xc8/0x144 # [ 112.138947] __refcount_add_not_zero.constprop.0+0x98/0xb4 # [ 112.144713] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x48/0x8c # [ 112.150569] lkdtm_do_action+0x24/0x40 # [ 112.154594] direct_entry+0xd0/0x140 # [ 112.158446] full_proxy_write+0x68/0xbc # [ 112.162560] vfs_write+0xec/0x20c # [ 112.166150] ksys_write+0x70/0x100 # [ 112.169827] __arm64_sys_write+0x24/0x30 # [ 112.174028] el0_svc_common.constprop.0+0x84/0x1e0 # [ 112.179098] do_el0_svc+0x2c/0xa4 # [ 112.182688] el0_svc+0x20/0x30 # [ 112.186016] el0_sync_handler+0xb0/0xb4 # [ 112.190128] el0_sync+0x180/0x1c0 # [ 112.193714] irq event stamp: 0 # [ 112.197046] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 112.203599] hardirqs last disabled at (0): [] copy_process+0x5d4/0x1de0 # [ 112.212065] softirqs last enabled at (0): [] copy_process+0x5d4/0x1de0 # [ 112.220527] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 112.227073] ---[ end trace 65b1a0a095d4f63a ]--- # [ 112.232266] 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 <6>[ 112.692355] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO <6>[ 112.698371] lkdtm: attempting good refcount_dec() <6>[ 112.703422] lkdtm: attempting bad refcount_dec() to zero <4>[ 112.709063] ------------[ cut here ]------------ <4>[ 112.714075] refcount_t: decrement hit 0; leaking memory. <4>[ 112.719881] WARNING: CPU: 1 PID: 2330 at lib/refcount.c:31 refcount_warn_saturate+0x13c/0x144 <4>[ 112.728688] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 112.740437] CPU: 1 PID: 2330 Comm: cat Tainted: G D W 5.10.216-cip47 #1 <4>[ 112.748456] Hardware name: ARM Juno development board (r0) (DT) <4>[ 112.754652] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 112.760933] pc : refcount_warn_saturate+0x13c/0x144 <4>[ 112.766082] lr : refcount_warn_saturate+0x13c/0x144 <4>[ 112.771229] sp : ffff8000160dbcc0 <4>[ 112.774810] x29: ffff8000160dbcc0 x28: ffff0008003db100 <4>[ 112.780404] x27: 0000000000000000 x26: 0000000000000000 <4>[ 112.785996] x25: ffff80001150a190 x24: ffff8000160dbe20 <4>[ 112.791588] x23: 0000000000000012 x22: ffff00080669f000 <4>[ 112.797181] x21: ffff800011a27c10 x20: ffff80001150a480 <4>[ 112.802773] x19: ffff8000160dbd04 x18: 0000000000000000 <4>[ 112.808365] x17: 0000000000000000 x16: 0000000000000000 <4>[ 112.813956] x15: 0000000000000000 x14: ffff0008002a6200 <4>[ 112.819548] x13: 0000000000000c69 x12: 071c71c71c71c71c <4>[ 112.825140] x11: 0000000000000c69 x10: 0000000000001440 <4>[ 112.830732] x9 : ffff80001012c154 x8 : 0000000000000000 <4>[ 112.836324] x7 : 0000000080180007 x6 : ffff8000125a5000 <4>[ 112.841915] x5 : ffff8000125a5c88 x4 : ffff00097ef2ac68 <4>[ 112.847507] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 112.853099] x1 : 0000000000000000 x0 : ffff0008003db100 <4>[ 112.858691] Call trace: <4>[ 112.861404] refcount_warn_saturate+0x13c/0x144 <4>[ 112.866208] __refcount_dec.constprop.0+0x5c/0x6c <4>[ 112.871184] lkdtm_REFCOUNT_DEC_ZERO+0x54/0xe0 <4>[ 112.875901] lkdtm_do_action+0x24/0x40 <4>[ 112.879919] direct_entry+0xd0/0x140 <4>[ 112.883764] full_proxy_write+0x68/0xbc <4>[ 112.887870] vfs_write+0xec/0x20c <4>[ 112.891452] ksys_write+0x70/0x100 <4>[ 112.895122] __arm64_sys_write+0x24/0x30 <4>[ 112.899316] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 112.904379] do_el0_svc+0x2c/0xa4 <4>[ 112.907962] el0_svc+0x20/0x30 <4>[ 112.911284] el0_sync_handler+0xb0/0xb4 <4>[ 112.915389] el0_sync+0x180/0x1c0 <4>[ 112.918970] irq event stamp: 0 <4>[ 112.922294] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 112.928839] hardirqs last disabled at (0): [] copy_process+0x5d4/0x1de0 <4>[ 112.937296] softirqs last enabled at (0): [] copy_process+0x5d4/0x1de0 <4>[ 112.945751] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 112.952291] ---[ end trace 65b1a0a095d4f63b ]--- <6>[ 112.957302] lkdtm: Zero detected: saturated # [ 112.692355] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO # [ 112.698371] lkdtm: attempting good refcount_dec() # [ 112.703422] lkdtm: attempting bad refcount_dec() to zero # [ 112.709063] ------------[ cut here ]------------ # [ 112.714075] refcount_t: decrement hit 0; leaking memory. # [ 112.719881] WARNING: CPU: 1 PID: 2330 at lib/refcount.c:31 refcount_warn_saturate+0x13c/0x144 # [ 112.728688] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 112.740437] CPU: 1 PID: 2330 Comm: cat Tainted: G D W 5.10.216-cip47 #1 # [ 112.748456] Hardware name: ARM Juno development board (r0) (DT) # [ 112.754652] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 112.760933] pc : refcount_warn_saturate+0x13c/0x144 # [ 112.766082] lr : refcount_warn_saturate+0x13c/0x144 # [ 112.771229] sp : ffff8000160dbcc0 # [ 112.774810] x29: ffff8000160dbcc0 x28: ffff0008003db100 # [ 112.780404] x27: 0000000000000000 x26: 0000000000000000 # [ 112.785996] x25: ffff80001150a190 x24: ffff8000160dbe20 # [ 112.791588] x23: 0000000000000012 x22: ffff00080669f000 # [ 112.797181] x21: ffff800011a27c10 x20: ffff80001150a480 # [ 112.802773] x19: ffff8000160dbd04 x18: 0000000000000000 # [ 112.808365] x17: 0000000000000000 x16: 0000000000000000 # [ 112.813956] x15: 0000000000000000 x14: ffff0008002a6200 # [ 112.819548] x13: 0000000000000c69 x12: 071c71c71c71c71c # [ 112.825140] x11: 0000000000000c69 x10: 0000000000001440 # [ 112.830732] x9 : ffff80001012c154 x8 : 0000000000000000 # [ 112.836324] x7 : 0000000080180007 x6 : ffff8000125a5000 # [ 112.841915] x5 : ffff8000125a5c88 x4 : ffff00097ef2ac68 # [ 112.847507] x3 : 0000000000000000 x2 : 0000000000000000 # [ 112.853099] x1 : 0000000000000000 x0 : ffff0008003db100 # [ 112.858691] Call trace: # [ 112.861404] refcount_warn_saturate+0x13c/0x144 # [ 112.866208] __refcount_dec.constprop.0+0x5c/0x6c # [ 112.871184] lkdtm_REFCOUNT_DEC_ZERO+0x54/0xe0 # [ 112.875901] lkdtm_do_action+0x24/0x40 # [ 112.879919] direct_entry+0xd0/0x140 # [ 112.883764] full_proxy_write+0x68/0xbc # [ 112.887870] vfs_write+0xec/0x20c # [ 112.891452] ksys_write+0x70/0x100 # [ 112.895122] __arm64_sys_write+0x24/0x30 # [ 112.899316] el0_svc_common.constprop.0+0x84/0x1e0 # [ 112.904379] do_el0_svc+0x2c/0xa4 # [ 112.907962] el0_svc+0x20/0x30 # [ 112.911284] el0_sync_handler+0xb0/0xb4 # [ 112.915389] el0_sync+0x180/0x1c0 # [ 112.918970] irq event stamp: 0 # [ 112.922294] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 112.928839] hardirqs last disabled at (0): [] copy_process+0x5d4/0x1de0 # [ 112.937296] softirqs last enabled at (0): [] copy_process+0x5d4/0x1de0 # [ 112.945751] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 112.952291] ---[ end trace 65b1a0a095d4f63b ]--- # [ 112.957302] 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 <6>[ 113.426566] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE <6>[ 113.432920] lkdtm: attempting bad refcount_dec() below zero <4>[ 113.438900] ------------[ cut here ]------------ <4>[ 113.443870] refcount_t: decrement hit 0; leaking memory. <4>[ 113.449732] WARNING: CPU: 5 PID: 2366 at lib/refcount.c:31 refcount_warn_saturate+0x13c/0x144 <4>[ 113.458541] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 113.470330] CPU: 5 PID: 2366 Comm: cat Tainted: G D W 5.10.216-cip47 #1 <4>[ 113.478355] Hardware name: ARM Juno development board (r0) (DT) <4>[ 113.484557] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 113.490845] pc : refcount_warn_saturate+0x13c/0x144 <4>[ 113.496002] lr : refcount_warn_saturate+0x13c/0x144 <4>[ 113.501155] sp : ffff800016173cc0 <4>[ 113.504742] x29: ffff800016173cc0 x28: ffff000806bbc980 <4>[ 113.510345] x27: 0000000000000000 x26: 0000000000000000 <4>[ 113.515948] x25: ffff80001150a190 x24: ffff800016173e20 <4>[ 113.521551] x23: 0000000000000016 x22: ffff000805457000 <4>[ 113.527153] x21: ffff800011a27c28 x20: ffff80001150a490 <4>[ 113.532757] x19: ffff800016173d04 x18: 0000000000000000 <4>[ 113.538359] x17: 0000000000000000 x16: 0000000000000000 <4>[ 113.543961] x15: 0000000000000030 x14: ffffffffffffffff <4>[ 113.549564] x13: ffff80009617396a x12: ffff800016173972 <4>[ 113.555166] x11: ffff8000125d41c0 x10: ffff80001262c360 <4>[ 113.560768] x9 : ffff80001012c154 x8 : ffff8000125d4360 <4>[ 113.566371] x7 : ffff80001262c360 x6 : ffff8000125a5000 <4>[ 113.571974] x5 : ffff8000125a5c88 x4 : ffff00097efb2c68 <4>[ 113.577576] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 113.583178] x1 : 0000000000000000 x0 : ffff000806bbc980 <4>[ 113.588780] Call trace: <4>[ 113.591501] refcount_warn_saturate+0x13c/0x144 <4>[ 113.596313] __refcount_dec.constprop.0+0x5c/0x6c <4>[ 113.601296] lkdtm_REFCOUNT_DEC_NEGATIVE+0x3c/0x70 <4>[ 113.606368] lkdtm_do_action+0x24/0x40 <4>[ 113.610393] direct_entry+0xd0/0x140 <4>[ 113.614245] full_proxy_write+0x68/0xbc <4>[ 113.618358] vfs_write+0xec/0x20c <4>[ 113.621948] ksys_write+0x70/0x100 <4>[ 113.625625] __arm64_sys_write+0x24/0x30 <4>[ 113.629827] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 113.634897] do_el0_svc+0x2c/0xa4 <4>[ 113.638487] el0_svc+0x20/0x30 <4>[ 113.641816] el0_sync_handler+0xb0/0xb4 <4>[ 113.645927] el0_sync+0x180/0x1c0 <4>[ 113.649515] irq event stamp: 0 <4>[ 113.652845] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 113.659399] hardirqs last disabled at (0): [] copy_process+0x5d4/0x1de0 <4>[ 113.667864] softirqs last enabled at (0): [] copy_process+0x5d4/0x1de0 <4>[ 113.676327] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 113.682873] ---[ end trace 65b1a0a095d4f63c ]--- <6>[ 113.687964] lkdtm: Negative detected: saturated # [ 113.426566] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 113.432920] lkdtm: attempting bad refcount_dec() below zero # [ 113.438900] ------------[ cut here ]------------ # [ 113.443870] refcount_t: decrement hit 0; leaking memory. # [ 113.449732] WARNING: CPU: 5 PID: 2366 at lib/refcount.c:31 refcount_warn_saturate+0x13c/0x144 # [ 113.458541] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 113.470330] CPU: 5 PID: 2366 Comm: cat Tainted: G D W 5.10.216-cip47 #1 # [ 113.478355] Hardware name: ARM Juno development board (r0) (DT) # [ 113.484557] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 113.490845] pc : refcount_warn_saturate+0x13c/0x144 # [ 113.496002] lr : refcount_warn_saturate+0x13c/0x144 # [ 113.501155] sp : ffff800016173cc0 # [ 113.504742] x29: ffff800016173cc0 x28: ffff000806bbc980 # [ 113.510345] x27: 0000000000000000 x26: 0000000000000000 # [ 113.515948] x25: ffff80001150a190 x24: ffff800016173e20 # [ 113.521551] x23: 0000000000000016 x22: ffff000805457000 # [ 113.527153] x21: ffff800011a27c28 x20: ffff80001150a490 # [ 113.532757] x19: ffff800016173d04 x18: 0000000000000000 # [ 113.538359] x17: 0000000000000000 x16: 0000000000000000 # [ 113.543961] x15: 0000000000000030 x14: ffffffffffffffff # [ 113.549564] x13: ffff80009617396a x12: ffff800016173972 # [ 113.555166] x11: ffff8000125d41c0 x10: ffff80001262c360 # [ 113.560768] x9 : ffff80001012c154 x8 : ffff8000125d4360 # [ 113.566371] x7 : ffff80001262c360 x6 : ffff8000125a5000 # [ 113.571974] x5 : ffff8000125a5c88 x4 : ffff00097efb2c68 # [ 113.577576] x3 : 0000000000000000 x2 : 0000000000000000 # [ 113.583178] x1 : 0000000000000000 x0 : ffff000806bbc980 # [ 113.588780] Call trace: # [ 113.591501] refcount_warn_saturate+0x13c/0x144 # [ 113.596313] __refcount_dec.constprop.0+0x5c/0x6c # [ 113.601296] lkdtm_REFCOUNT_DEC_NEGATIVE+0x3c/0x70 # [ 113.606368] lkdtm_do_action+0x24/0x40 # [ 113.610393] direct_entry+0xd0/0x140 # [ 113.614245] full_proxy_write+0x68/0xbc # [ 113.618358] vfs_write+0xec/0x20c # [ 113.621948] ksys_write+0x70/0x100 # [ 113.625625] __arm64_sys_write+0x24/0x30 # [ 113.629827] el0_svc_common.constprop.0+0x84/0x1e0 # [ 113.634897] do_el0_svc+0x2c/0xa4 # [ 113.638487] el0_svc+0x20/0x30 # [ 113.641816] el0_sync_handler+0xb0/0xb4 # [ 113.645927] el0_sync+0x180/0x1c0 # [ 113.649515] irq event stamp: 0 # [ 113.652845] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 113.659399] hardirqs last disabled at (0): [] copy_process+0x5d4/0x1de0 # [ 113.667864] softirqs last enabled at (0): [] copy_process+0x5d4/0x1de0 # [ 113.676327] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 113.682873] ---[ end trace 65b1a0a095d4f63c ]--- # [ 113.687964] 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 <6>[ 114.165644] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE <6>[ 114.172835] lkdtm: attempting bad refcount_dec_and_test() below zero <4>[ 114.179554] ------------[ cut here ]------------ <4>[ 114.184843] refcount_t: underflow; use-after-free. <4>[ 114.190014] WARNING: CPU: 1 PID: 2402 at lib/refcount.c:28 refcount_warn_saturate+0xf4/0x144 <4>[ 114.198731] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 114.210481] CPU: 1 PID: 2402 Comm: cat Tainted: G D W 5.10.216-cip47 #1 <4>[ 114.218502] Hardware name: ARM Juno development board (r0) (DT) <4>[ 114.224698] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 114.230980] pc : refcount_warn_saturate+0xf4/0x144 <4>[ 114.236043] lr : refcount_warn_saturate+0xf4/0x144 <4>[ 114.241103] sp : ffff8000161ebcd0 <4>[ 114.244684] x29: ffff8000161ebcd0 x28: ffff0008003db100 <4>[ 114.250279] x27: 0000000000000000 x26: 0000000000000000 <4>[ 114.255872] x25: ffff80001150a190 x24: ffff8000161ebe20 <4>[ 114.261465] x23: 000000000000001f x22: ffff0008031d3000 <4>[ 114.267057] x21: ffff800011a27c40 x20: ffff80001150a4a0 <4>[ 114.272649] x19: 0000000000000031 x18: 0000000000000000 <4>[ 114.278241] x17: 0000000000000000 x16: 0000000000000000 <4>[ 114.283833] x15: 0000000000000030 x14: ffffffffffffffff <4>[ 114.289425] x13: ffff8000961eb97a x12: ffff8000161eb982 <4>[ 114.295017] x11: ffff8000125d41c0 x10: ffff80001262c360 <4>[ 114.300609] x9 : ffff80001012c154 x8 : ffff8000125d4360 <4>[ 114.306201] x7 : ffff80001262c360 x6 : ffff8000125a5000 <4>[ 114.311792] x5 : ffff8000125a5c88 x4 : ffff00097ef2ac68 <4>[ 114.317384] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 114.322975] x1 : 0000000000000000 x0 : ffff0008003db100 <4>[ 114.328567] Call trace: <4>[ 114.331281] refcount_warn_saturate+0xf4/0x144 <4>[ 114.335999] __refcount_sub_and_test.constprop.0+0x74/0x8c <4>[ 114.341761] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x44/0x8c <4>[ 114.347607] lkdtm_do_action+0x24/0x40 <4>[ 114.351626] direct_entry+0xd0/0x140 <4>[ 114.355471] full_proxy_write+0x68/0xbc <4>[ 114.359578] vfs_write+0xec/0x20c <4>[ 114.363160] ksys_write+0x70/0x100 <4>[ 114.366830] __arm64_sys_write+0x24/0x30 <4>[ 114.371024] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 114.376088] do_el0_svc+0x2c/0xa4 <4>[ 114.379671] el0_svc+0x20/0x30 <4>[ 114.382992] el0_sync_handler+0xb0/0xb4 <4>[ 114.387097] el0_sync+0x180/0x1c0 <4>[ 114.390678] irq event stamp: 0 <4>[ 114.394002] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 114.400548] hardirqs last disabled at (0): [] copy_process+0x5d4/0x1de0 <4>[ 114.409006] softirqs last enabled at (0): [] copy_process+0x5d4/0x1de0 <4>[ 114.417462] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 114.424001] ---[ end trace 65b1a0a095d4f63d ]--- <6>[ 114.428950] lkdtm: Negative detected: saturated # [ 114.165644] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 114.172835] lkdtm: attempting bad refcount_dec_and_test() below zero # [ 114.179554] ------------[ cut here ]------------ # [ 114.184843] refcount_t: underflow; use-after-free. # [ 114.190014] WARNING: CPU: 1 PID: 2402 at lib/refcount.c:28 refcount_warn_saturate+0xf4/0x144 # [ 114.198731] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 114.210481] CPU: 1 PID: 2402 Comm: cat Tainted: G D W 5.10.216-cip47 #1 # [ 114.218502] Hardware name: ARM Juno development board (r0) (DT) # [ 114.224698] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 114.230980] pc : refcount_warn_saturate+0xf4/0x144 # [ 114.236043] lr : refcount_warn_saturate+0xf4/0x144 # [ 114.241103] sp : ffff8000161ebcd0 # [ 114.244684] x29: ffff8000161ebcd0 x28: ffff0008003db100 # [ 114.250279] x27: 0000000000000000 x26: 0000000000000000 # [ 114.255872] x25: ffff80001150a190 x24: ffff8000161ebe20 # [ 114.261465] x23: 000000000000001f x22: ffff0008031d3000 # [ 114.267057] x21: ffff800011a27c40 x20: ffff80001150a4a0 # [ 114.272649] x19: 0000000000000031 x18: 0000000000000000 # [ 114.278241] x17: 0000000000000000 x16: 0000000000000000 # [ 114.283833] x15: 0000000000000030 x14: ffffffffffffffff # [ 114.289425] x13: ffff8000961eb97a x12: ffff8000161eb982 # [ 114.295017] x11: ffff8000125d41c0 x10: ffff80001262c360 # [ 114.300609] x9 : ffff80001012c154 x8 : ffff8000125d4360 # [ 114.306201] x7 : ffff80001262c360 x6 : ffff8000125a5000 # [ 114.311792] x5 : ffff8000125a5c88 x4 : ffff00097ef2ac68 # [ 114.317384] x3 : 0000000000000000 x2 : 0000000000000000 # [ 114.322975] x1 : 0000000000000000 x0 : ffff0008003db100 # [ 114.328567] Call trace: # [ 114.331281] refcount_warn_saturate+0xf4/0x144 # [ 114.335999] __refcount_sub_and_test.constprop.0+0x74/0x8c # [ 114.341761] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x44/0x8c # [ 114.347607] lkdtm_do_action+0x24/0x40 # [ 114.351626] direct_entry+0xd0/0x140 # [ 114.355471] full_proxy_write+0x68/0xbc # [ 114.359578] vfs_write+0xec/0x20c # [ 114.363160] ksys_write+0x70/0x100 # [ 114.366830] __arm64_sys_write+0x24/0x30 # [ 114.371024] el0_svc_common.constprop.0+0x84/0x1e0 # [ 114.376088] do_el0_svc+0x2c/0xa4 # [ 114.379671] el0_svc+0x20/0x30 # [ 114.382992] el0_sync_handler+0xb0/0xb4 # [ 114.387097] el0_sync+0x180/0x1c0 # [ 114.390678] irq event stamp: 0 # [ 114.394002] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 114.400548] hardirqs last disabled at (0): [] copy_process+0x5d4/0x1de0 # [ 114.409006] softirqs last enabled at (0): [] copy_process+0x5d4/0x1de0 # [ 114.417462] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 114.424001] ---[ end trace 65b1a0a095d4f63d ]--- # [ 114.428950] 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 <6>[ 114.909368] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE <6>[ 114.916491] lkdtm: attempting bad refcount_sub_and_test() below zero <4>[ 114.923194] ------------[ cut here ]------------ <4>[ 114.928142] refcount_t: underflow; use-after-free. <4>[ 114.933534] WARNING: CPU: 1 PID: 2438 at lib/refcount.c:28 refcount_warn_saturate+0xf4/0x144 <4>[ 114.942255] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 114.954005] CPU: 1 PID: 2438 Comm: cat Tainted: G D W 5.10.216-cip47 #1 <4>[ 114.962024] Hardware name: ARM Juno development board (r0) (DT) <4>[ 114.968219] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 114.974501] pc : refcount_warn_saturate+0xf4/0x144 <4>[ 114.979562] lr : refcount_warn_saturate+0xf4/0x144 <4>[ 114.984622] sp : ffff80001626bcd0 <4>[ 114.988203] x29: ffff80001626bcd0 x28: ffff0008003d9880 <4>[ 114.993797] x27: 0000000000000000 x26: 0000000000000000 <4>[ 114.999390] x25: ffff80001150a190 x24: ffff80001626be20 <4>[ 115.004983] x23: 000000000000001f x22: ffff000804d83000 <4>[ 115.010575] x21: ffff800011a27c60 x20: ffff80001150a4b0 <4>[ 115.016167] x19: 0000000000000032 x18: 0000000000000000 <4>[ 115.021759] x17: 0000000000000000 x16: 0000000000000000 <4>[ 115.027351] x15: 0000000000000000 x14: ffff0008002a6200 <4>[ 115.032943] x13: ffff80096d14b000 x12: 0000000030d4d91d <4>[ 115.038535] x11: 0000000000000000 x10: 0000000000001440 <4>[ 115.044126] x9 : ffff80001012c154 x8 : 0000000000000000 <4>[ 115.049718] x7 : 000000008018000f x6 : ffff8000125a5000 <4>[ 115.055310] x5 : ffff8000125a5c88 x4 : ffff00097ef2ac68 <4>[ 115.060901] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 115.066493] x1 : 0000000000000000 x0 : ffff0008003d9880 <4>[ 115.072085] Call trace: <4>[ 115.074798] refcount_warn_saturate+0xf4/0x144 <4>[ 115.079517] __refcount_sub_and_test.constprop.0+0x74/0x8c <4>[ 115.085278] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x48/0x90 <4>[ 115.091124] lkdtm_do_action+0x24/0x40 <4>[ 115.095142] direct_entry+0xd0/0x140 <4>[ 115.098987] full_proxy_write+0x68/0xbc <4>[ 115.103093] vfs_write+0xec/0x20c <4>[ 115.106675] ksys_write+0x70/0x100 <4>[ 115.110345] __arm64_sys_write+0x24/0x30 <4>[ 115.114539] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 115.119602] do_el0_svc+0x2c/0xa4 <4>[ 115.123185] el0_svc+0x20/0x30 <4>[ 115.126507] el0_sync_handler+0xb0/0xb4 <4>[ 115.130611] el0_sync+0x180/0x1c0 <4>[ 115.134192] irq event stamp: 0 <4>[ 115.137516] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 115.144061] hardirqs last disabled at (0): [] copy_process+0x5d4/0x1de0 <4>[ 115.152519] softirqs last enabled at (0): [] copy_process+0x5d4/0x1de0 <4>[ 115.160974] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 115.167514] ---[ end trace 65b1a0a095d4f63e ]--- <6>[ 115.172499] lkdtm: Negative detected: saturated # [ 114.909368] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 114.916491] lkdtm: attempting bad refcount_sub_and_test() below zero # [ 114.923194] ------------[ cut here ]------------ # [ 114.928142] refcount_t: underflow; use-after-free. # [ 114.933534] WARNING: CPU: 1 PID: 2438 at lib/refcount.c:28 refcount_warn_saturate+0xf4/0x144 # [ 114.942255] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 114.954005] CPU: 1 PID: 2438 Comm: cat Tainted: G D W 5.10.216-cip47 #1 # [ 114.962024] Hardware name: ARM Juno development board (r0) (DT) # [ 114.968219] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 114.974501] pc : refcount_warn_saturate+0xf4/0x144 # [ 114.979562] lr : refcount_warn_saturate+0xf4/0x144 # [ 114.984622] sp : ffff80001626bcd0 # [ 114.988203] x29: ffff80001626bcd0 x28: ffff0008003d9880 # [ 114.993797] x27: 0000000000000000 x26: 0000000000000000 # [ 114.999390] x25: ffff80001150a190 x24: ffff80001626be20 # [ 115.004983] x23: 000000000000001f x22: ffff000804d83000 # [ 115.010575] x21: ffff800011a27c60 x20: ffff80001150a4b0 # [ 115.016167] x19: 0000000000000032 x18: 0000000000000000 # [ 115.021759] x17: 0000000000000000 x16: 0000000000000000 # [ 115.027351] x15: 0000000000000000 x14: ffff0008002a6200 # [ 115.032943] x13: ffff80096d14b000 x12: 0000000030d4d91d # [ 115.038535] x11: 0000000000000000 x10: 0000000000001440 # [ 115.044126] x9 : ffff80001012c154 x8 : 0000000000000000 # [ 115.049718] x7 : 000000008018000f x6 : ffff8000125a5000 # [ 115.055310] x5 : ffff8000125a5c88 x4 : ffff00097ef2ac68 # [ 115.060901] x3 : 0000000000000000 x2 : 0000000000000000 # [ 115.066493] x1 : 0000000000000000 x0 : ffff0008003d9880 # [ 115.072085] Call trace: # [ 115.074798] refcount_warn_saturate+0xf4/0x144 # [ 115.079517] __refcount_sub_and_test.constprop.0+0x74/0x8c # [ 115.085278] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x48/0x90 # [ 115.091124] lkdtm_do_action+0x24/0x40 # [ 115.095142] direct_entry+0xd0/0x140 # [ 115.098987] full_proxy_write+0x68/0xbc # [ 115.103093] vfs_write+0xec/0x20c # [ 115.106675] ksys_write+0x70/0x100 # [ 115.110345] __arm64_sys_write+0x24/0x30 # [ 115.114539] el0_svc_common.constprop.0+0x84/0x1e0 # [ 115.119602] do_el0_svc+0x2c/0xa4 # [ 115.123185] el0_svc+0x20/0x30 # [ 115.126507] el0_sync_handler+0xb0/0xb4 # [ 115.130611] el0_sync+0x180/0x1c0 # [ 115.134192] irq event stamp: 0 # [ 115.137516] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 115.144061] hardirqs last disabled at (0): [] copy_process+0x5d4/0x1de0 # [ 115.152519] softirqs last enabled at (0): [] copy_process+0x5d4/0x1de0 # [ 115.160974] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 115.167514] ---[ end trace 65b1a0a095d4f63e ]--- # [ 115.172499] 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 <6>[ 115.636402] lkdtm: Performing direct entry REFCOUNT_INC_ZERO <6>[ 115.642422] lkdtm: attempting safe refcount_inc_not_zero() from zero <6>[ 115.649117] lkdtm: Good: zero detected <6>[ 115.653194] lkdtm: Correctly stayed at zero <6>[ 115.657771] lkdtm: attempting bad refcount_inc() from zero <4>[ 115.663615] ------------[ cut here ]------------ <4>[ 115.668681] refcount_t: addition on 0; use-after-free. <4>[ 115.674342] WARNING: CPU: 5 PID: 2471 at lib/refcount.c:25 refcount_warn_saturate+0xa0/0x144 <4>[ 115.683064] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 115.694853] CPU: 5 PID: 2471 Comm: cat Tainted: G D W 5.10.216-cip47 #1 <4>[ 115.702878] Hardware name: ARM Juno development board (r0) (DT) <4>[ 115.709079] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 115.715368] pc : refcount_warn_saturate+0xa0/0x144 <4>[ 115.720438] lr : refcount_warn_saturate+0xa0/0x144 <4>[ 115.725503] sp : ffff800016303cd0 <4>[ 115.729090] x29: ffff800016303cd0 x28: ffff0008024f3100 <4>[ 115.734694] x27: 0000000000000000 x26: 0000000000000000 <4>[ 115.740297] x25: ffff80001150a190 x24: ffff800016303e20 <4>[ 115.745899] x23: 0000000000000012 x22: ffff000807fee000 <4>[ 115.751502] x21: ffff800011a27c80 x20: ffff80001150a4c0 <4>[ 115.757105] x19: 0000000000000033 x18: 0000000000000000 <4>[ 115.762707] x17: 0000000000000000 x16: 0000000000000000 <4>[ 115.768309] x15: 0000000000000030 x14: ffffffffffffffff <4>[ 115.773912] x13: ffff80009630397a x12: ffff800016303982 <4>[ 115.779514] x11: ffff8000125d41c0 x10: 0000000000001440 <4>[ 115.785117] x9 : ffff80001012c154 x8 : 0000000000000000 <4>[ 115.790720] x7 : 0000000000000000 x6 : ffff8000125a5000 <4>[ 115.796322] x5 : ffff8000125a5c88 x4 : ffff00097efb2c68 <4>[ 115.801924] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 115.807526] x1 : 0000000000000000 x0 : ffff0008024f3100 <4>[ 115.813128] Call trace: <4>[ 115.815849] refcount_warn_saturate+0xa0/0x144 <4>[ 115.820574] __refcount_add.constprop.0+0x64/0x90 <4>[ 115.825559] lkdtm_REFCOUNT_INC_ZERO+0xa4/0xd4 <4>[ 115.830281] lkdtm_do_action+0x24/0x40 <4>[ 115.834307] direct_entry+0xd0/0x140 <4>[ 115.838159] full_proxy_write+0x68/0xbc <4>[ 115.842273] vfs_write+0xec/0x20c <4>[ 115.845862] ksys_write+0x70/0x100 <4>[ 115.849538] __arm64_sys_write+0x24/0x30 <4>[ 115.853740] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 115.858809] do_el0_svc+0x2c/0xa4 <4>[ 115.862399] el0_svc+0x20/0x30 <4>[ 115.865728] el0_sync_handler+0xb0/0xb4 <4>[ 115.869840] el0_sync+0x180/0x1c0 <4>[ 115.873426] irq event stamp: 0 <4>[ 115.876758] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 115.883310] hardirqs last disabled at (0): [] copy_process+0x5d4/0x1de0 <4>[ 115.891776] softirqs last enabled at (0): [] copy_process+0x5d4/0x1de0 <4>[ 115.900239] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 115.906784] ---[ end trace 65b1a0a095d4f63f ]--- <6>[ 115.911930] lkdtm: Zero detected: saturated # [ 115.636402] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 115.642422] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 115.649117] lkdtm: Good: zero detected # [ 115.653194] lkdtm: Correctly stayed at zero # [ 115.657771] lkdtm: attempting bad refcount_inc() from zero # [ 115.663615] ------------[ cut here ]------------ # [ 115.668681] refcount_t: addition on 0; use-after-free. # [ 115.674342] WARNING: CPU: 5 PID: 2471 at lib/refcount.c:25 refcount_warn_saturate+0xa0/0x144 # [ 115.683064] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 115.694853] CPU: 5 PID: 2471 Comm: cat Tainted: G D W 5.10.216-cip47 #1 # [ 115.702878] Hardware name: ARM Juno development board (r0) (DT) # [ 115.709079] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 115.715368] pc : refcount_warn_saturate+0xa0/0x144 # [ 115.720438] lr : refcount_warn_saturate+0xa0/0x144 # [ 115.725503] sp : ffff800016303cd0 # [ 115.729090] x29: ffff800016303cd0 x28: ffff0008024f3100 # [ 115.734694] x27: 0000000000000000 x26: 0000000000000000 # [ 115.740297] x25: ffff80001150a190 x24: ffff800016303e20 # [ 115.745899] x23: 0000000000000012 x22: ffff000807fee000 # [ 115.751502] x21: ffff800011a27c80 x20: ffff80001150a4c0 # [ 115.757105] x19: 0000000000000033 x18: 0000000000000000 # [ 115.762707] x17: 0000000000000000 x16: 0000000000000000 # [ 115.768309] x15: 0000000000000030 x14: ffffffffffffffff # [ 115.773912] x13: ffff80009630397a x12: ffff800016303982 # [ 115.779514] x11: ffff8000125d41c0 x10: 0000000000001440 # [ 115.785117] x9 : ffff80001012c154 x8 : 0000000000000000 # [ 115.790720] x7 : 0000000000000000 x6 : ffff8000125a5000 # [ 115.796322] x5 : ffff8000125a5c88 x4 : ffff00097efb2c68 # [ 115.801924] x3 : 0000000000000000 x2 : 0000000000000000 # [ 115.807526] x1 : 0000000000000000 x0 : ffff0008024f3100 # [ 115.813128] Call trace: # [ 115.815849] refcount_warn_saturate+0xa0/0x144 # [ 115.820574] __refcount_add.constprop.0+0x64/0x90 # [ 115.825559] lkdtm_REFCOUNT_INC_ZERO+0xa4/0xd4 # [ 115.830281] lkdtm_do_action+0x24/0x40 # [ 115.834307] direct_entry+0xd0/0x140 # [ 115.838159] full_proxy_write+0x68/0xbc # [ 115.842273] vfs_write+0xec/0x20c # [ 115.845862] ksys_write+0x70/0x100 # [ 115.849538] __arm64_sys_write+0x24/0x30 # [ 115.853740] el0_svc_common.constprop.0+0x84/0x1e0 # [ 115.858809] do_el0_svc+0x2c/0xa4 # [ 115.862399] el0_svc+0x20/0x30 # [ 115.865728] el0_sync_handler+0xb0/0xb4 # [ 115.869840] el0_sync+0x180/0x1c0 # [ 115.873426] irq event stamp: 0 # [ 115.876758] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 115.883310] hardirqs last disabled at (0): [] copy_process+0x5d4/0x1de0 # [ 115.891776] softirqs last enabled at (0): [] copy_process+0x5d4/0x1de0 # [ 115.900239] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 115.906784] ---[ end trace 65b1a0a095d4f63f ]--- # [ 115.911930] 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 <6>[ 116.390586] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO <6>[ 116.396591] lkdtm: attempting safe refcount_add_not_zero() from zero <6>[ 116.403287] lkdtm: Good: zero detected <6>[ 116.407363] lkdtm: Correctly stayed at zero <6>[ 116.411869] lkdtm: attempting bad refcount_add() from zero <4>[ 116.417745] ------------[ cut here ]------------ <4>[ 116.422713] refcount_t: addition on 0; use-after-free. <4>[ 116.428518] WARNING: CPU: 1 PID: 2504 at lib/refcount.c:25 refcount_warn_saturate+0xa0/0x144 <4>[ 116.437239] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 116.448989] CPU: 1 PID: 2504 Comm: cat Tainted: G D W 5.10.216-cip47 #1 <4>[ 116.457009] Hardware name: ARM Juno development board (r0) (DT) <4>[ 116.463204] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 116.469486] pc : refcount_warn_saturate+0xa0/0x144 <4>[ 116.474548] lr : refcount_warn_saturate+0xa0/0x144 <4>[ 116.479608] sp : ffff800016373cd0 <4>[ 116.483189] x29: ffff800016373cd0 x28: ffff000802549880 <4>[ 116.488783] x27: 0000000000000000 x26: 0000000000000000 <4>[ 116.494376] x25: ffff80001150a190 x24: ffff800016373e20 <4>[ 116.499969] x23: 0000000000000012 x22: ffff000803137000 <4>[ 116.505561] x21: ffff800011a27c98 x20: ffff80001150a4d0 <4>[ 116.511153] x19: 0000000000000034 x18: 0000000000000000 <4>[ 116.516747] x17: 0000000000000000 x16: 0000000000000000 <4>[ 116.522339] x15: 0000000000000000 x14: ffff0008002a6200 <4>[ 116.527930] x13: ffff80096d14b000 x12: 0000000030d4d91d <4>[ 116.533522] x11: 0000000000000000 x10: 0000000000001440 <4>[ 116.539114] x9 : ffff80001012c154 x8 : 0000000000000000 <4>[ 116.544706] x7 : 00000034b5503510 x6 : ffff8000125a5000 <4>[ 116.550298] x5 : ffff8000125a5c88 x4 : ffff00097ef2ac68 <4>[ 116.555889] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 116.561481] x1 : 0000000000000000 x0 : ffff000802549880 <4>[ 116.567072] Call trace: <4>[ 116.569786] refcount_warn_saturate+0xa0/0x144 <4>[ 116.574504] __refcount_add.constprop.0+0x64/0x90 <4>[ 116.579483] lkdtm_REFCOUNT_ADD_ZERO+0xa4/0xd4 <4>[ 116.584197] lkdtm_do_action+0x24/0x40 <4>[ 116.588216] direct_entry+0xd0/0x140 <4>[ 116.592061] full_proxy_write+0x68/0xbc <4>[ 116.596166] vfs_write+0xec/0x20c <4>[ 116.599748] ksys_write+0x70/0x100 <4>[ 116.603418] __arm64_sys_write+0x24/0x30 <4>[ 116.607613] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 116.612675] do_el0_svc+0x2c/0xa4 <4>[ 116.616258] el0_svc+0x20/0x30 <4>[ 116.619580] el0_sync_handler+0xb0/0xb4 <4>[ 116.623684] el0_sync+0x180/0x1c0 <4>[ 116.627266] irq event stamp: 0 <4>[ 116.630589] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 116.637135] hardirqs last disabled at (0): [] copy_process+0x5d4/0x1de0 <4>[ 116.645593] softirqs last enabled at (0): [] copy_process+0x5d4/0x1de0 <4>[ 116.654048] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 116.660588] ---[ end trace 65b1a0a095d4f640 ]--- <6>[ 116.665552] lkdtm: Zero detected: saturated # [ 116.390586] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 116.396591] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 116.403287] lkdtm: Good: zero detected # [ 116.407363] lkdtm: Correctly stayed at zero # [ 116.411869] lkdtm: attempting bad refcount_add() from zero # [ 116.417745] ------------[ cut here ]------------ # [ 116.422713] refcount_t: addition on 0; use-after-free. # [ 116.428518] WARNING: CPU: 1 PID: 2504 at lib/refcount.c:25 refcount_warn_saturate+0xa0/0x144 # [ 116.437239] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 116.448989] CPU: 1 PID: 2504 Comm: cat Tainted: G D W 5.10.216-cip47 #1 # [ 116.457009] Hardware name: ARM Juno development board (r0) (DT) # [ 116.463204] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 116.469486] pc : refcount_warn_saturate+0xa0/0x144 # [ 116.474548] lr : refcount_warn_saturate+0xa0/0x144 # [ 116.479608] sp : ffff800016373cd0 # [ 116.483189] x29: ffff800016373cd0 x28: ffff000802549880 # [ 116.488783] x27: 0000000000000000 x26: 0000000000000000 # [ 116.494376] x25: ffff80001150a190 x24: ffff800016373e20 # [ 116.499969] x23: 0000000000000012 x22: ffff000803137000 # [ 116.505561] x21: ffff800011a27c98 x20: ffff80001150a4d0 # [ 116.511153] x19: 0000000000000034 x18: 0000000000000000 # [ 116.516747] x17: 0000000000000000 x16: 0000000000000000 # [ 116.522339] x15: 0000000000000000 x14: ffff0008002a6200 # [ 116.527930] x13: ffff80096d14b000 x12: 0000000030d4d91d # [ 116.533522] x11: 0000000000000000 x10: 0000000000001440 # [ 116.539114] x9 : ffff80001012c154 x8 : 0000000000000000 # [ 116.544706] x7 : 00000034b5503510 x6 : ffff8000125a5000 # [ 116.550298] x5 : ffff8000125a5c88 x4 : ffff00097ef2ac68 # [ 116.555889] x3 : 0000000000000000 x2 : 0000000000000000 # [ 116.561481] x1 : 0000000000000000 x0 : ffff000802549880 # [ 116.567072] Call trace: # [ 116.569786] refcount_warn_saturate+0xa0/0x144 # [ 116.574504] __refcount_add.constprop.0+0x64/0x90 # [ 116.579483] lkdtm_REFCOUNT_ADD_ZERO+0xa4/0xd4 # [ 116.584197] lkdtm_do_action+0x24/0x40 # [ 116.588216] direct_entry+0xd0/0x140 # [ 116.592061] full_proxy_write+0x68/0xbc # [ 116.596166] vfs_write+0xec/0x20c # [ 116.599748] ksys_write+0x70/0x100 # [ 116.603418] __arm64_sys_write+0x24/0x30 # [ 116.607613] el0_svc_common.constprop.0+0x84/0x1e0 # [ 116.612675] do_el0_svc+0x2c/0xa4 # [ 116.616258] el0_svc+0x20/0x30 # [ 116.619580] el0_sync_handler+0xb0/0xb4 # [ 116.623684] el0_sync+0x180/0x1c0 # [ 116.627266] irq event stamp: 0 # [ 116.630589] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 116.637135] hardirqs last disabled at (0): [] copy_process+0x5d4/0x1de0 # [ 116.645593] softirqs last enabled at (0): [] copy_process+0x5d4/0x1de0 # [ 116.654048] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 116.660588] ---[ end trace 65b1a0a095d4f640 ]--- # [ 116.665552] 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 <6>[ 117.157006] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED <6>[ 117.163431] lkdtm: attempting bad refcount_inc() from saturated <4>[ 117.169687] ------------[ cut here ]------------ <4>[ 117.174629] refcount_t: saturated; leaking memory. <4>[ 117.179886] WARNING: CPU: 3 PID: 2540 at lib/refcount.c:22 refcount_warn_saturate+0x74/0x144 <4>[ 117.188609] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 117.200398] CPU: 3 PID: 2540 Comm: cat Tainted: G D W 5.10.216-cip47 #1 <4>[ 117.208423] Hardware name: ARM Juno development board (r0) (DT) <4>[ 117.214625] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 117.220913] pc : refcount_warn_saturate+0x74/0x144 <4>[ 117.225983] lr : refcount_warn_saturate+0x74/0x144 <4>[ 117.231048] sp : ffff800016413cd0 <4>[ 117.234635] x29: ffff800016413cd0 x28: ffff0008024f4980 <4>[ 117.240238] x27: 0000000000000000 x26: 0000000000000000 <4>[ 117.245841] x25: ffff80001150a190 x24: ffff800016413e20 <4>[ 117.251444] x23: 0000000000000017 x22: ffff000807f64000 <4>[ 117.257047] x21: ffff800011a27cb0 x20: ffff80001150a4e0 <4>[ 117.262649] x19: 0000000000000035 x18: 0000000000000000 <4>[ 117.268251] x17: 0000000000000000 x16: 0000000000000000 <4>[ 117.273853] x15: 0000000000000030 x14: ffffffffffffffff <4>[ 117.279456] x13: ffff80009641397a x12: ffff800016413982 <4>[ 117.285059] x11: ffff8000125d41c0 x10: 0000000000001440 <4>[ 117.290661] x9 : ffff80001012c154 x8 : 0000000000000000 <4>[ 117.296263] x7 : 0000000000000000 x6 : ffff8000125a5000 <4>[ 117.301866] x5 : ffff8000125a5c88 x4 : ffff00097ef6ec68 <4>[ 117.307468] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 117.313070] x1 : 0000000000000000 x0 : ffff0008024f4980 <4>[ 117.318672] Call trace: <4>[ 117.321393] refcount_warn_saturate+0x74/0x144 <4>[ 117.326118] __refcount_add.constprop.0+0x7c/0x90 <4>[ 117.331103] lkdtm_REFCOUNT_INC_SATURATED+0x44/0x74 <4>[ 117.336260] lkdtm_do_action+0x24/0x40 <4>[ 117.340285] direct_entry+0xd0/0x140 <4>[ 117.344138] full_proxy_write+0x68/0xbc <4>[ 117.348251] vfs_write+0xec/0x20c <4>[ 117.351841] ksys_write+0x70/0x100 <4>[ 117.355517] __arm64_sys_write+0x24/0x30 <4>[ 117.359719] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 117.364788] do_el0_svc+0x2c/0xa4 <4>[ 117.368379] el0_svc+0x20/0x30 <4>[ 117.371707] el0_sync_handler+0xb0/0xb4 <4>[ 117.375819] el0_sync+0x180/0x1c0 <4>[ 117.379405] irq event stamp: 0 <4>[ 117.382737] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 117.389290] hardirqs last disabled at (0): [] copy_process+0x5d4/0x1de0 <4>[ 117.397756] softirqs last enabled at (0): [] copy_process+0x5d4/0x1de0 <4>[ 117.406219] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 117.412764] ---[ end trace 65b1a0a095d4f641 ]--- <6>[ 117.417858] lkdtm: Saturation detected: still saturated # [ 117.157006] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 117.163431] lkdtm: attempting bad refcount_inc() from saturated # [ 117.169687] ------------[ cut here ]------------ # [ 117.174629] refcount_t: saturated; leaking memory. # [ 117.179886] WARNING: CPU: 3 PID: 2540 at lib/refcount.c:22 refcount_warn_saturate+0x74/0x144 # [ 117.188609] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 117.200398] CPU: 3 PID: 2540 Comm: cat Tainted: G D W 5.10.216-cip47 #1 # [ 117.208423] Hardware name: ARM Juno development board (r0) (DT) # [ 117.214625] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 117.220913] pc : refcount_warn_saturate+0x74/0x144 # [ 117.225983] lr : refcount_warn_saturate+0x74/0x144 # [ 117.231048] sp : ffff800016413cd0 # [ 117.234635] x29: ffff800016413cd0 x28: ffff0008024f4980 # [ 117.240238] x27: 0000000000000000 x26: 0000000000000000 # [ 117.245841] x25: ffff80001150a190 x24: ffff800016413e20 # [ 117.251444] x23: 0000000000000017 x22: ffff000807f64000 # [ 117.257047] x21: ffff800011a27cb0 x20: ffff80001150a4e0 # [ 117.262649] x19: 0000000000000035 x18: 0000000000000000 # [ 117.268251] x17: 0000000000000000 x16: 0000000000000000 # [ 117.273853] x15: 0000000000000030 x14: ffffffffffffffff # [ 117.279456] x13: ffff80009641397a x12: ffff800016413982 # [ 117.285059] x11: ffff8000125d41c0 x10: 0000000000001440 # [ 117.290661] x9 : ffff80001012c154 x8 : 0000000000000000 # [ 117.296263] x7 : 0000000000000000 x6 : ffff8000125a5000 # [ 117.301866] x5 : ffff8000125a5c88 x4 : ffff00097ef6ec68 # [ 117.307468] x3 : 0000000000000000 x2 : 0000000000000000 # [ 117.313070] x1 : 0000000000000000 x0 : ffff0008024f4980 # [ 117.318672] Call trace: # [ 117.321393] refcount_warn_saturate+0x74/0x144 # [ 117.326118] __refcount_add.constprop.0+0x7c/0x90 # [ 117.331103] lkdtm_REFCOUNT_INC_SATURATED+0x44/0x74 # [ 117.336260] lkdtm_do_action+0x24/0x40 # [ 117.340285] direct_entry+0xd0/0x140 # [ 117.344138] full_proxy_write+0x68/0xbc # [ 117.348251] vfs_write+0xec/0x20c # [ 117.351841] ksys_write+0x70/0x100 # [ 117.355517] __arm64_sys_write+0x24/0x30 # [ 117.359719] el0_svc_common.constprop.0+0x84/0x1e0 # [ 117.364788] do_el0_svc+0x2c/0xa4 # [ 117.368379] el0_svc+0x20/0x30 # [ 117.371707] el0_sync_handler+0xb0/0xb4 # [ 117.375819] el0_sync+0x180/0x1c0 # [ 117.379405] irq event stamp: 0 # [ 117.382737] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 117.389290] hardirqs last disabled at (0): [] copy_process+0x5d4/0x1de0 # [ 117.397756] softirqs last enabled at (0): [] copy_process+0x5d4/0x1de0 # [ 117.406219] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 117.412764] ---[ end trace 65b1a0a095d4f641 ]--- # [ 117.417858] lkdtm: Saturation detected: still saturated # REFCOUNT_INC_SATURATED: saw 'Saturation detected: still saturated': ok ok 52 selftests: lkdtm: REFCOUNT_INC_SATURATED.sh # selftests: lkdtm: REFCOUNT_DEC_SATURATED.sh <6>[ 117.885081] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED <6>[ 117.891508] lkdtm: attempting bad refcount_dec() from saturated <4>[ 117.897839] ------------[ cut here ]------------ <4>[ 117.902812] refcount_t: decrement hit 0; leaking memory. <4>[ 117.908593] WARNING: CPU: 4 PID: 2576 at lib/refcount.c:31 refcount_warn_saturate+0x13c/0x144 <4>[ 117.917409] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 117.929198] CPU: 4 PID: 2576 Comm: cat Tainted: G D W 5.10.216-cip47 #1 <4>[ 117.937222] Hardware name: ARM Juno development board (r0) (DT) <4>[ 117.943424] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 117.949713] pc : refcount_warn_saturate+0x13c/0x144 <4>[ 117.954870] lr : refcount_warn_saturate+0x13c/0x144 <4>[ 117.960022] sp : ffff80001649bcc0 <4>[ 117.963609] x29: ffff80001649bcc0 x28: ffff0008024eb100 <4>[ 117.969212] x27: 0000000000000000 x26: 0000000000000000 <4>[ 117.974815] x25: ffff80001150a190 x24: ffff80001649be20 <4>[ 117.980417] x23: 0000000000000017 x22: ffff000805477000 <4>[ 117.986020] x21: ffff800011a27cc8 x20: ffff80001150a4f0 <4>[ 117.991623] x19: ffff80001649bd04 x18: 0000000000000000 <4>[ 117.997226] x17: 0000000000000000 x16: 0000000000000000 <4>[ 118.002828] x15: 0000000000000030 x14: ffffffffffffffff <4>[ 118.008431] x13: ffff80009649b96a x12: ffff80001649b972 <4>[ 118.014033] x11: ffff8000125d41c0 x10: 0000000000001440 <4>[ 118.019636] x9 : ffff80001012c154 x8 : 0000000000000000 <4>[ 118.025238] x7 : 0000000000000000 x6 : ffff8000125a5000 <4>[ 118.030840] x5 : ffff8000125a5c88 x4 : ffff00097ef90c68 <4>[ 118.036442] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 118.042044] x1 : 0000000000000000 x0 : ffff0008024eb100 <4>[ 118.047646] Call trace: <4>[ 118.050368] refcount_warn_saturate+0x13c/0x144 <4>[ 118.055179] __refcount_dec.constprop.0+0x5c/0x6c <4>[ 118.060162] lkdtm_REFCOUNT_DEC_SATURATED+0x40/0x70 <4>[ 118.065322] lkdtm_do_action+0x24/0x40 <4>[ 118.069347] direct_entry+0xd0/0x140 <4>[ 118.073199] full_proxy_write+0x68/0xbc <4>[ 118.077312] vfs_write+0xec/0x20c <4>[ 118.080902] ksys_write+0x70/0x100 <4>[ 118.084578] __arm64_sys_write+0x24/0x30 <4>[ 118.088780] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 118.093849] do_el0_svc+0x2c/0xa4 <4>[ 118.097440] el0_svc+0x20/0x30 <4>[ 118.100769] el0_sync_handler+0xb0/0xb4 <4>[ 118.104880] el0_sync+0x180/0x1c0 <4>[ 118.108467] irq event stamp: 0 <4>[ 118.111798] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 118.118351] hardirqs last disabled at (0): [] copy_process+0x5d4/0x1de0 <4>[ 118.126817] softirqs last enabled at (0): [] copy_process+0x5d4/0x1de0 <4>[ 118.135279] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 118.141824] ---[ end trace 65b1a0a095d4f642 ]--- <6>[ 118.147029] lkdtm: Saturation detected: still saturated # [ 117.885081] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 117.891508] lkdtm: attempting bad refcount_dec() from saturated # [ 117.897839] ------------[ cut here ]------------ # [ 117.902812] refcount_t: decrement hit 0; leaking memory. # [ 117.908593] WARNING: CPU: 4 PID: 2576 at lib/refcount.c:31 refcount_warn_saturate+0x13c/0x144 # [ 117.917409] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 117.929198] CPU: 4 PID: 2576 Comm: cat Tainted: G D W 5.10.216-cip47 #1 # [ 117.937222] Hardware name: ARM Juno development board (r0) (DT) # [ 117.943424] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 117.949713] pc : refcount_warn_saturate+0x13c/0x144 # [ 117.954870] lr : refcount_warn_saturate+0x13c/0x144 # [ 117.960022] sp : ffff80001649bcc0 # [ 117.963609] x29: ffff80001649bcc0 x28: ffff0008024eb100 # [ 117.969212] x27: 0000000000000000 x26: 0000000000000000 # [ 117.974815] x25: ffff80001150a190 x24: ffff80001649be20 # [ 117.980417] x23: 0000000000000017 x22: ffff000805477000 # [ 117.986020] x21: ffff800011a27cc8 x20: ffff80001150a4f0 # [ 117.991623] x19: ffff80001649bd04 x18: 0000000000000000 # [ 117.997226] x17: 0000000000000000 x16: 0000000000000000 # [ 118.002828] x15: 0000000000000030 x14: ffffffffffffffff # [ 118.008431] x13: ffff80009649b96a x12: ffff80001649b972 # [ 118.014033] x11: ffff8000125d41c0 x10: 0000000000001440 # [ 118.019636] x9 : ffff80001012c154 x8 : 0000000000000000 # [ 118.025238] x7 : 0000000000000000 x6 : ffff8000125a5000 # [ 118.030840] x5 : ffff8000125a5c88 x4 : ffff00097ef90c68 # [ 118.036442] x3 : 0000000000000000 x2 : 0000000000000000 # [ 118.042044] x1 : 0000000000000000 x0 : ffff0008024eb100 # [ 118.047646] Call trace: # [ 118.050368] refcount_warn_saturate+0x13c/0x144 # [ 118.055179] __refcount_dec.constprop.0+0x5c/0x6c # [ 118.060162] lkdtm_REFCOUNT_DEC_SATURATED+0x40/0x70 # [ 118.065322] lkdtm_do_action+0x24/0x40 # [ 118.069347] direct_entry+0xd0/0x140 # [ 118.073199] full_proxy_write+0x68/0xbc # [ 118.077312] vfs_write+0xec/0x20c # [ 118.080902] ksys_write+0x70/0x100 # [ 118.084578] __arm64_sys_write+0x24/0x30 # [ 118.088780] el0_svc_common.constprop.0+0x84/0x1e0 # [ 118.093849] do_el0_svc+0x2c/0xa4 # [ 118.097440] el0_svc+0x20/0x30 # [ 118.100769] el0_sync_handler+0xb0/0xb4 # [ 118.104880] el0_sync+0x180/0x1c0 # [ 118.108467] irq event stamp: 0 # [ 118.111798] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 118.118351] hardirqs last disabled at (0): [] copy_process+0x5d4/0x1de0 # [ 118.126817] softirqs last enabled at (0): [] copy_process+0x5d4/0x1de0 # [ 118.135279] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 118.141824] ---[ end trace 65b1a0a095d4f642 ]--- # [ 118.147029] lkdtm: Saturation detected: still saturated # REFCOUNT_DEC_SATURATED: saw 'Saturation detected: still saturated': ok ok 53 selftests: lkdtm: REFCOUNT_DEC_SATURATED.sh # selftests: lkdtm: REFCOUNT_ADD_SATURATED.sh <6>[ 118.647072] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED <6>[ 118.653525] lkdtm: attempting bad refcount_dec() from saturated <4>[ 118.659779] ------------[ cut here ]------------ <4>[ 118.664719] refcount_t: saturated; leaking memory. <4>[ 118.669974] WARNING: CPU: 3 PID: 2612 at lib/refcount.c:22 refcount_warn_saturate+0x74/0x144 <4>[ 118.678697] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 118.690484] CPU: 3 PID: 2612 Comm: cat Tainted: G D W 5.10.216-cip47 #1 <4>[ 118.698509] Hardware name: ARM Juno development board (r0) (DT) <4>[ 118.704711] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 118.710999] pc : refcount_warn_saturate+0x74/0x144 <4>[ 118.716068] lr : refcount_warn_saturate+0x74/0x144 <4>[ 118.721134] sp : ffff80001652bcd0 <4>[ 118.724720] x29: ffff80001652bcd0 x28: ffff0008024f6200 <4>[ 118.730324] x27: 0000000000000000 x26: 0000000000000000 <4>[ 118.735927] x25: ffff80001150a190 x24: ffff80001652be20 <4>[ 118.741531] x23: 0000000000000017 x22: ffff000804249000 <4>[ 118.747134] x21: ffff800011a27ce0 x20: ffff80001150a500 <4>[ 118.752736] x19: 0000000000000037 x18: 0000000000000000 <4>[ 118.758339] x17: 0000000000000000 x16: 0000000000000000 <4>[ 118.763941] x15: 0000000000000030 x14: ffffffffffffffff <4>[ 118.769544] x13: ffff80009652b97a x12: ffff80001652b982 <4>[ 118.775147] x11: ffff8000125d41c0 x10: 0000000000001440 <4>[ 118.780749] x9 : ffff80001012c154 x8 : 0000000000000000 <4>[ 118.786352] x7 : 0000000000000000 x6 : ffff8000125a5000 <4>[ 118.791954] x5 : ffff8000125a5c88 x4 : ffff00097ef6ec68 <4>[ 118.797557] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 118.803159] x1 : 0000000000000000 x0 : ffff0008024f6200 <4>[ 118.808761] Call trace: <4>[ 118.811483] refcount_warn_saturate+0x74/0x144 <4>[ 118.816208] __refcount_add.constprop.0+0x7c/0x90 <4>[ 118.821194] lkdtm_REFCOUNT_ADD_SATURATED+0x44/0x74 <4>[ 118.826351] lkdtm_do_action+0x24/0x40 <4>[ 118.830377] direct_entry+0xd0/0x140 <4>[ 118.834229] full_proxy_write+0x68/0xbc <4>[ 118.838342] vfs_write+0xec/0x20c <4>[ 118.841932] ksys_write+0x70/0x100 <4>[ 118.845608] __arm64_sys_write+0x24/0x30 <4>[ 118.849810] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 118.854880] do_el0_svc+0x2c/0xa4 <4>[ 118.858470] el0_svc+0x20/0x30 <4>[ 118.861798] el0_sync_handler+0xb0/0xb4 <4>[ 118.865910] el0_sync+0x180/0x1c0 <4>[ 118.869497] irq event stamp: 0 <4>[ 118.872829] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 118.879381] hardirqs last disabled at (0): [] copy_process+0x5d4/0x1de0 <4>[ 118.887847] softirqs last enabled at (0): [] copy_process+0x5d4/0x1de0 <4>[ 118.896309] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 118.902854] ---[ end trace 65b1a0a095d4f643 ]--- <6>[ 118.908044] lkdtm: Saturation detected: still saturated # [ 118.647072] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 118.653525] lkdtm: attempting bad refcount_dec() from saturated # [ 118.659779] ------------[ cut here ]------------ # [ 118.664719] refcount_t: saturated; leaking memory. # [ 118.669974] WARNING: CPU: 3 PID: 2612 at lib/refcount.c:22 refcount_warn_saturate+0x74/0x144 # [ 118.678697] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 118.690484] CPU: 3 PID: 2612 Comm: cat Tainted: G D W 5.10.216-cip47 #1 # [ 118.698509] Hardware name: ARM Juno development board (r0) (DT) # [ 118.704711] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 118.710999] pc : refcount_warn_saturate+0x74/0x144 # [ 118.716068] lr : refcount_warn_saturate+0x74/0x144 # [ 118.721134] sp : ffff80001652bcd0 # [ 118.724720] x29: ffff80001652bcd0 x28: ffff0008024f6200 # [ 118.730324] x27: 0000000000000000 x26: 0000000000000000 # [ 118.735927] x25: ffff80001150a190 x24: ffff80001652be20 # [ 118.741531] x23: 0000000000000017 x22: ffff000804249000 # [ 118.747134] x21: ffff800011a27ce0 x20: ffff80001150a500 # [ 118.752736] x19: 0000000000000037 x18: 0000000000000000 # [ 118.758339] x17: 0000000000000000 x16: 0000000000000000 # [ 118.763941] x15: 0000000000000030 x14: ffffffffffffffff # [ 118.769544] x13: ffff80009652b97a x12: ffff80001652b982 # [ 118.775147] x11: ffff8000125d41c0 x10: 0000000000001440 # [ 118.780749] x9 : ffff80001012c154 x8 : 0000000000000000 # [ 118.786352] x7 : 0000000000000000 x6 : ffff8000125a5000 # [ 118.791954] x5 : ffff8000125a5c88 x4 : ffff00097ef6ec68 # [ 118.797557] x3 : 0000000000000000 x2 : 0000000000000000 # [ 118.803159] x1 : 0000000000000000 x0 : ffff0008024f6200 # [ 118.808761] Call trace: # [ 118.811483] refcount_warn_saturate+0x74/0x144 # [ 118.816208] __refcount_add.constprop.0+0x7c/0x90 # [ 118.821194] lkdtm_REFCOUNT_ADD_SATURATED+0x44/0x74 # [ 118.826351] lkdtm_do_action+0x24/0x40 # [ 118.830377] direct_entry+0xd0/0x140 # [ 118.834229] full_proxy_write+0x68/0xbc # [ 118.838342] vfs_write+0xec/0x20c # [ 118.841932] ksys_write+0x70/0x100 # [ 118.845608] __arm64_sys_write+0x24/0x30 # [ 118.849810] el0_svc_common.constprop.0+0x84/0x1e0 # [ 118.854880] do_el0_svc+0x2c/0xa4 # [ 118.858470] el0_svc+0x20/0x30 # [ 118.861798] el0_sync_handler+0xb0/0xb4 # [ 118.865910] el0_sync+0x180/0x1c0 # [ 118.869497] irq event stamp: 0 # [ 118.872829] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 118.879381] hardirqs last disabled at (0): [] copy_process+0x5d4/0x1de0 # [ 118.887847] softirqs last enabled at (0): [] copy_process+0x5d4/0x1de0 # [ 118.896309] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 118.902854] ---[ end trace 65b1a0a095d4f643 ]--- # [ 118.908044] 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 <6>[ 119.441512] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED <6>[ 119.448801] lkdtm: attempting bad refcount_inc_not_zero() from saturated <4>[ 119.455905] ------------[ cut here ]------------ <4>[ 119.460878] refcount_t: saturated; leaking memory. <4>[ 119.466245] WARNING: CPU: 5 PID: 2645 at lib/refcount.c:19 refcount_warn_saturate+0xc8/0x144 <4>[ 119.474967] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 119.486755] CPU: 5 PID: 2645 Comm: cat Tainted: G D W 5.10.216-cip47 #1 <4>[ 119.494779] Hardware name: ARM Juno development board (r0) (DT) <4>[ 119.500981] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 119.507269] pc : refcount_warn_saturate+0xc8/0x144 <4>[ 119.512338] lr : refcount_warn_saturate+0xc8/0x144 <4>[ 119.517404] sp : ffff8000165cbcb0 <4>[ 119.520990] x29: ffff8000165cbcb0 x28: ffff0008060ac980 <4>[ 119.526593] x27: 0000000000000000 x26: 0000000000000000 <4>[ 119.532196] x25: ffff80001150a190 x24: ffff8000165cbe20 <4>[ 119.537799] x23: 0000000000000020 x22: ffff0008065d5000 <4>[ 119.543401] x21: 0000000000000001 x20: 00000000c0000000 <4>[ 119.549004] x19: ffff8000165cbd04 x18: 0000000000000000 <4>[ 119.554607] x17: 0000000000000000 x16: 0000000000000000 <4>[ 119.560209] x15: 0000000000000030 x14: ffffffffffffffff <4>[ 119.565812] x13: ffff8000965cb95a x12: ffff8000165cb962 <4>[ 119.571414] x11: ffff8000125d41c0 x10: ffff80001262c360 <4>[ 119.577016] x9 : ffff80001012c154 x8 : ffff8000125d4360 <4>[ 119.582619] x7 : ffff80001262c360 x6 : ffff8000125a5000 <4>[ 119.588221] x5 : ffff8000125a5c88 x4 : ffff00097efb2c68 <4>[ 119.593824] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 119.599426] x1 : 0000000000000000 x0 : ffff0008060ac980 <4>[ 119.605029] Call trace: <4>[ 119.607750] refcount_warn_saturate+0xc8/0x144 <4>[ 119.612474] __refcount_add_not_zero.constprop.0+0x98/0xb4 <4>[ 119.618240] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x48/0x8c <4>[ 119.624185] lkdtm_do_action+0x24/0x40 <4>[ 119.628217] direct_entry+0xd0/0x140 <4>[ 119.632069] full_proxy_write+0x68/0xbc <4>[ 119.636182] vfs_write+0xec/0x20c <4>[ 119.639772] ksys_write+0x70/0x100 <4>[ 119.643449] __arm64_sys_write+0x24/0x30 <4>[ 119.647651] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 119.652721] do_el0_svc+0x2c/0xa4 <4>[ 119.656311] el0_svc+0x20/0x30 <4>[ 119.659639] el0_sync_handler+0xb0/0xb4 <4>[ 119.663751] el0_sync+0x180/0x1c0 <4>[ 119.667338] irq event stamp: 0 <4>[ 119.670669] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 119.677222] hardirqs last disabled at (0): [] copy_process+0x5d4/0x1de0 <4>[ 119.685687] softirqs last enabled at (0): [] copy_process+0x5d4/0x1de0 <4>[ 119.694149] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 119.700694] ---[ end trace 65b1a0a095d4f644 ]--- <6>[ 119.705927] lkdtm: Saturation detected: still saturated # [ 119.441512] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 119.448801] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 119.455905] ------------[ cut here ]------------ # [ 119.460878] refcount_t: saturated; leaking memory. # [ 119.466245] WARNING: CPU: 5 PID: 2645 at lib/refcount.c:19 refcount_warn_saturate+0xc8/0x144 # [ 119.474967] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 119.486755] CPU: 5 PID: 2645 Comm: cat Tainted: G D W 5.10.216-cip47 #1 # [ 119.494779] Hardware name: ARM Juno development board (r0) (DT) # [ 119.500981] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 119.507269] pc : refcount_warn_saturate+0xc8/0x144 # [ 119.512338] lr : refcount_warn_saturate+0xc8/0x144 # [ 119.517404] sp : ffff8000165cbcb0 # [ 119.520990] x29: ffff8000165cbcb0 x28: ffff0008060ac980 # [ 119.526593] x27: 0000000000000000 x26: 0000000000000000 # [ 119.532196] x25: ffff80001150a190 x24: ffff8000165cbe20 # [ 119.537799] x23: 0000000000000020 x22: ffff0008065d5000 # [ 119.543401] x21: 0000000000000001 x20: 00000000c0000000 # [ 119.549004] x19: ffff8000165cbd04 x18: 0000000000000000 # [ 119.554607] x17: 0000000000000000 x16: 0000000000000000 # [ 119.560209] x15: 0000000000000030 x14: ffffffffffffffff # [ 119.565812] x13: ffff8000965cb95a x12: ffff8000165cb962 # [ 119.571414] x11: ffff8000125d41c0 x10: ffff80001262c360 # [ 119.577016] x9 : ffff80001012c154 x8 : ffff8000125d4360 # [ 119.582619] x7 : ffff80001262c360 x6 : ffff8000125a5000 # [ 119.588221] x5 : ffff8000125a5c88 x4 : ffff00097efb2c68 # [ 119.593824] x3 : 0000000000000000 x2 : 0000000000000000 # [ 119.599426] x1 : 0000000000000000 x0 : ffff0008060ac980 # [ 119.605029] Call trace: # [ 119.607750] refcount_warn_saturate+0xc8/0x144 # [ 119.612474] __refcount_add_not_zero.constprop.0+0x98/0xb4 # [ 119.618240] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x48/0x8c # [ 119.624185] lkdtm_do_action+0x24/0x40 # [ 119.628217] direct_entry+0xd0/0x140 # [ 119.632069] full_proxy_write+0x68/0xbc # [ 119.636182] vfs_write+0xec/0x20c # [ 119.639772] ksys_write+0x70/0x100 # [ 119.643449] __arm64_sys_write+0x24/0x30 # [ 119.647651] el0_svc_common.constprop.0+0x84/0x1e0 # [ 119.652721] do_el0_svc+0x2c/0xa4 # [ 119.656311] el0_svc+0x20/0x30 # [ 119.659639] el0_sync_handler+0xb0/0xb4 # [ 119.663751] el0_sync+0x180/0x1c0 # [ 119.667338] irq event stamp: 0 # [ 119.670669] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 119.677222] hardirqs last disabled at (0): [] copy_process+0x5d4/0x1de0 # [ 119.685687] softirqs last enabled at (0): [] copy_process+0x5d4/0x1de0 # [ 119.694149] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 119.700694] ---[ end trace 65b1a0a095d4f644 ]--- # [ 119.705927] 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 <6>[ 120.252829] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED <6>[ 120.260050] lkdtm: attempting bad refcount_add_not_zero() from saturated <4>[ 120.267092] ------------[ cut here ]------------ <4>[ 120.272038] refcount_t: saturated; leaking memory. <4>[ 120.277307] WARNING: CPU: 1 PID: 2678 at lib/refcount.c:19 refcount_warn_saturate+0xc8/0x144 <4>[ 120.286027] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 120.297778] CPU: 1 PID: 2678 Comm: cat Tainted: G D W 5.10.216-cip47 #1 <4>[ 120.305797] Hardware name: ARM Juno development board (r0) (DT) <4>[ 120.311993] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 120.318274] pc : refcount_warn_saturate+0xc8/0x144 <4>[ 120.323336] lr : refcount_warn_saturate+0xc8/0x144 <4>[ 120.328395] sp : ffff80001668bcb0 <4>[ 120.331976] x29: ffff80001668bcb0 x28: ffff0008003de200 <4>[ 120.337571] x27: 0000000000000000 x26: 0000000000000000 <4>[ 120.343164] x25: ffff80001150a190 x24: ffff80001668be20 <4>[ 120.348756] x23: 0000000000000020 x22: ffff0008057c0000 <4>[ 120.354348] x21: 0000000000000007 x20: 00000000c0000000 <4>[ 120.359940] x19: ffff80001668bd04 x18: 0000000000000000 <4>[ 120.365532] x17: 0000000000000000 x16: 0000000000000000 <4>[ 120.371123] x15: 0000000000000000 x14: ffff0008002a6200 <4>[ 120.376715] x13: 0000000000000ce6 x12: 071c71c71c71c71c <4>[ 120.382307] x11: 0000000000000ce6 x10: 0000000000001440 <4>[ 120.387899] x9 : ffff80001012c154 x8 : 0000000000000000 <4>[ 120.393491] x7 : 000000008018000a x6 : ffff8000125a5000 <4>[ 120.399083] x5 : ffff8000125a5c88 x4 : ffff00097ef2ac68 <4>[ 120.404674] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 120.410266] x1 : 0000000000000000 x0 : ffff0008003de200 <4>[ 120.415857] Call trace: <4>[ 120.418571] refcount_warn_saturate+0xc8/0x144 <4>[ 120.423289] __refcount_add_not_zero.constprop.0+0x98/0xb4 <4>[ 120.429048] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x48/0x8c <4>[ 120.434982] lkdtm_do_action+0x24/0x40 <4>[ 120.439001] direct_entry+0xd0/0x140 <4>[ 120.442846] full_proxy_write+0x68/0xbc <4>[ 120.446952] vfs_write+0xec/0x20c <4>[ 120.450534] ksys_write+0x70/0x100 <4>[ 120.454204] __arm64_sys_write+0x24/0x30 <4>[ 120.458398] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 120.463461] do_el0_svc+0x2c/0xa4 <4>[ 120.467044] el0_svc+0x20/0x30 <4>[ 120.470365] el0_sync_handler+0xb0/0xb4 <4>[ 120.474470] el0_sync+0x180/0x1c0 <4>[ 120.478050] irq event stamp: 0 <4>[ 120.481374] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 120.487920] hardirqs last disabled at (0): [] copy_process+0x5d4/0x1de0 <4>[ 120.496378] softirqs last enabled at (0): [] copy_process+0x5d4/0x1de0 <4>[ 120.504833] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 120.511372] ---[ end trace 65b1a0a095d4f645 ]--- <6>[ 120.516410] lkdtm: Saturation detected: still saturated # [ 120.252829] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 120.260050] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 120.267092] ------------[ cut here ]------------ # [ 120.272038] refcount_t: saturated; leaking memory. # [ 120.277307] WARNING: CPU: 1 PID: 2678 at lib/refcount.c:19 refcount_warn_saturate+0xc8/0x144 # [ 120.286027] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 120.297778] CPU: 1 PID: 2678 Comm: cat Tainted: G D W 5.10.216-cip47 #1 # [ 120.305797] Hardware name: ARM Juno development board (r0) (DT) # [ 120.311993] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 120.318274] pc : refcount_warn_saturate+0xc8/0x144 # [ 120.323336] lr : refcount_warn_saturate+0xc8/0x144 # [ 120.328395] sp : ffff80001668bcb0 # [ 120.331976] x29: ffff80001668bcb0 x28: ffff0008003de200 # [ 120.337571] x27: 0000000000000000 x26: 0000000000000000 # [ 120.343164] x25: ffff80001150a190 x24: ffff80001668be20 # [ 120.348756] x23: 0000000000000020 x22: ffff0008057c0000 # [ 120.354348] x21: 0000000000000007 x20: 00000000c0000000 # [ 120.359940] x19: ffff80001668bd04 x18: 0000000000000000 # [ 120.365532] x17: 0000000000000000 x16: 0000000000000000 # [ 120.371123] x15: 0000000000000000 x14: ffff0008002a6200 # [ 120.376715] x13: 0000000000000ce6 x12: 071c71c71c71c71c # [ 120.382307] x11: 0000000000000ce6 x10: 0000000000001440 # [ 120.387899] x9 : ffff80001012c154 x8 : 0000000000000000 # [ 120.393491] x7 : 000000008018000a x6 : ffff8000125a5000 # [ 120.399083] x5 : ffff8000125a5c88 x4 : ffff00097ef2ac68 # [ 120.404674] x3 : 0000000000000000 x2 : 0000000000000000 # [ 120.410266] x1 : 0000000000000000 x0 : ffff0008003de200 # [ 120.415857] Call trace: # [ 120.418571] refcount_warn_saturate+0xc8/0x144 # [ 120.423289] __refcount_add_not_zero.constprop.0+0x98/0xb4 # [ 120.429048] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x48/0x8c # [ 120.434982] lkdtm_do_action+0x24/0x40 # [ 120.439001] direct_entry+0xd0/0x140 # [ 120.442846] full_proxy_write+0x68/0xbc # [ 120.446952] vfs_write+0xec/0x20c # [ 120.450534] ksys_write+0x70/0x100 # [ 120.454204] __arm64_sys_write+0x24/0x30 # [ 120.458398] el0_svc_common.constprop.0+0x84/0x1e0 # [ 120.463461] do_el0_svc+0x2c/0xa4 # [ 120.467044] el0_svc+0x20/0x30 # [ 120.470365] el0_sync_handler+0xb0/0xb4 # [ 120.474470] el0_sync+0x180/0x1c0 # [ 120.478050] irq event stamp: 0 # [ 120.481374] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 120.487920] hardirqs last disabled at (0): [] copy_process+0x5d4/0x1de0 # [ 120.496378] softirqs last enabled at (0): [] copy_process+0x5d4/0x1de0 # [ 120.504833] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 120.511372] ---[ end trace 65b1a0a095d4f645 ]--- # [ 120.516410] 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 <6>[ 121.027376] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED <6>[ 121.034717] lkdtm: attempting bad refcount_dec_and_test() from saturated <4>[ 121.041824] ------------[ cut here ]------------ <4>[ 121.046799] refcount_t: underflow; use-after-free. <4>[ 121.052320] WARNING: CPU: 1 PID: 2714 at lib/refcount.c:28 refcount_warn_saturate+0xf4/0x144 <4>[ 121.061042] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 121.072792] CPU: 1 PID: 2714 Comm: cat Tainted: G D W 5.10.216-cip47 #1 <4>[ 121.080812] Hardware name: ARM Juno development board (r0) (DT) <4>[ 121.087007] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 121.093288] pc : refcount_warn_saturate+0xf4/0x144 <4>[ 121.098350] lr : refcount_warn_saturate+0xf4/0x144 <4>[ 121.103410] sp : ffff80001673bcd0 <4>[ 121.106991] x29: ffff80001673bcd0 x28: ffff0008003d9880 <4>[ 121.112585] x27: 0000000000000000 x26: 0000000000000000 <4>[ 121.118178] x25: ffff80001150a190 x24: ffff80001673be20 <4>[ 121.123770] x23: 0000000000000020 x22: ffff000803119000 <4>[ 121.129362] x21: ffff800011a27d38 x20: ffff80001150a530 <4>[ 121.134955] x19: 000000000000003a x18: 0000000000000000 <4>[ 121.140547] x17: 0000000000000000 x16: 0000000000000000 <4>[ 121.146138] x15: 0000000000000000 x14: ffff0008002a6200 <4>[ 121.151730] x13: ffff80096d14b000 x12: 0000000030d4d91d <4>[ 121.157321] x11: 0000000000000000 x10: 0000000000001440 <4>[ 121.162913] x9 : ffff80001012c154 x8 : 0000000000000000 <4>[ 121.168505] x7 : 7fffffffffffffff x6 : ffff8000125a5000 <4>[ 121.174097] x5 : ffff8000125a5c88 x4 : ffff00097ef2ac68 <4>[ 121.179688] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 121.185280] x1 : 0000000000000000 x0 : ffff0008003d9880 <4>[ 121.190871] Call trace: <4>[ 121.193585] refcount_warn_saturate+0xf4/0x144 <4>[ 121.198304] __refcount_sub_and_test.constprop.0+0x74/0x8c <4>[ 121.204065] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x48/0x8c <4>[ 121.209998] lkdtm_do_action+0x24/0x40 <4>[ 121.214017] direct_entry+0xd0/0x140 <4>[ 121.217861] full_proxy_write+0x68/0xbc <4>[ 121.221967] vfs_write+0xec/0x20c <4>[ 121.225550] ksys_write+0x70/0x100 <4>[ 121.229219] __arm64_sys_write+0x24/0x30 <4>[ 121.233414] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 121.238477] do_el0_svc+0x2c/0xa4 <4>[ 121.242060] el0_svc+0x20/0x30 <4>[ 121.245382] el0_sync_handler+0xb0/0xb4 <4>[ 121.249486] el0_sync+0x180/0x1c0 <4>[ 121.253067] irq event stamp: 0 <4>[ 121.256391] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 121.262936] hardirqs last disabled at (0): [] copy_process+0x5d4/0x1de0 <4>[ 121.271394] softirqs last enabled at (0): [] copy_process+0x5d4/0x1de0 <4>[ 121.279849] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 121.286388] ---[ end trace 65b1a0a095d4f646 ]--- <6>[ 121.291344] lkdtm: Saturation detected: still saturated # [ 121.027376] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 121.034717] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 121.041824] ------------[ cut here ]------------ # [ 121.046799] refcount_t: underflow; use-after-free. # [ 121.052320] WARNING: CPU: 1 PID: 2714 at lib/refcount.c:28 refcount_warn_saturate+0xf4/0x144 # [ 121.061042] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 121.072792] CPU: 1 PID: 2714 Comm: cat Tainted: G D W 5.10.216-cip47 #1 # [ 121.080812] Hardware name: ARM Juno development board (r0) (DT) # [ 121.087007] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 121.093288] pc : refcount_warn_saturate+0xf4/0x144 # [ 121.098350] lr : refcount_warn_saturate+0xf4/0x144 # [ 121.103410] sp : ffff80001673bcd0 # [ 121.106991] x29: ffff80001673bcd0 x28: ffff0008003d9880 # [ 121.112585] x27: 0000000000000000 x26: 0000000000000000 # [ 121.118178] x25: ffff80001150a190 x24: ffff80001673be20 # [ 121.123770] x23: 0000000000000020 x22: ffff000803119000 # [ 121.129362] x21: ffff800011a27d38 x20: ffff80001150a530 # [ 121.134955] x19: 000000000000003a x18: 0000000000000000 # [ 121.140547] x17: 0000000000000000 x16: 0000000000000000 # [ 121.146138] x15: 0000000000000000 x14: ffff0008002a6200 # [ 121.151730] x13: ffff80096d14b000 x12: 0000000030d4d91d # [ 121.157321] x11: 0000000000000000 x10: 0000000000001440 # [ 121.162913] x9 : ffff80001012c154 x8 : 0000000000000000 # [ 121.168505] x7 : 7fffffffffffffff x6 : ffff8000125a5000 # [ 121.174097] x5 : ffff8000125a5c88 x4 : ffff00097ef2ac68 # [ 121.179688] x3 : 0000000000000000 x2 : 0000000000000000 # [ 121.185280] x1 : 0000000000000000 x0 : ffff0008003d9880 # [ 121.190871] Call trace: # [ 121.193585] refcount_warn_saturate+0xf4/0x144 # [ 121.198304] __refcount_sub_and_test.constprop.0+0x74/0x8c # [ 121.204065] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x48/0x8c # [ 121.209998] lkdtm_do_action+0x24/0x40 # [ 121.214017] direct_entry+0xd0/0x140 # [ 121.217861] full_proxy_write+0x68/0xbc # [ 121.221967] vfs_write+0xec/0x20c # [ 121.225550] ksys_write+0x70/0x100 # [ 121.229219] __arm64_sys_write+0x24/0x30 # [ 121.233414] el0_svc_common.constprop.0+0x84/0x1e0 # [ 121.238477] do_el0_svc+0x2c/0xa4 # [ 121.242060] el0_svc+0x20/0x30 # [ 121.245382] el0_sync_handler+0xb0/0xb4 # [ 121.249486] el0_sync+0x180/0x1c0 # [ 121.253067] irq event stamp: 0 # [ 121.256391] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 121.262936] hardirqs last disabled at (0): [] copy_process+0x5d4/0x1de0 # [ 121.271394] softirqs last enabled at (0): [] copy_process+0x5d4/0x1de0 # [ 121.279849] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 121.286388] ---[ end trace 65b1a0a095d4f646 ]--- # [ 121.291344] lkdtm: Saturation detected: still saturated # REFCOUNT_DEC_AND_TEST_SATURATED: saw 'Saturation detected: still saturated': ok ok 57 selftests: lkdtm: REFCOUNT_DEC_AND_TEST_SATURATED.sh # selftests: lkdtm: REFCOUNT_SUB_AND_TEST_SATURATED.sh <6>[ 121.803234] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED <6>[ 121.810488] lkdtm: attempting bad refcount_sub_and_test() from saturated <4>[ 121.817543] ------------[ cut here ]------------ <4>[ 121.822489] refcount_t: underflow; use-after-free. <4>[ 121.827747] WARNING: CPU: 5 PID: 2750 at lib/refcount.c:28 refcount_warn_saturate+0xf4/0x144 <4>[ 121.836470] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 121.848259] CPU: 5 PID: 2750 Comm: cat Tainted: G D W 5.10.216-cip47 #1 <4>[ 121.856283] Hardware name: ARM Juno development board (r0) (DT) <4>[ 121.862485] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 121.868774] pc : refcount_warn_saturate+0xf4/0x144 <4>[ 121.873843] lr : refcount_warn_saturate+0xf4/0x144 <4>[ 121.878908] sp : ffff8000167f3cd0 <4>[ 121.882495] x29: ffff8000167f3cd0 x28: ffff0008003db100 <4>[ 121.888098] x27: 0000000000000000 x26: 0000000000000000 <4>[ 121.893701] x25: ffff80001150a190 x24: ffff8000167f3e20 <4>[ 121.899304] x23: 0000000000000020 x22: ffff000803d65000 <4>[ 121.904907] x21: ffff800011a27d58 x20: ffff80001150a540 <4>[ 121.910510] x19: 000000000000003b x18: 0000000000000000 <4>[ 121.916112] x17: 0000000000000000 x16: 0000000000000000 <4>[ 121.921715] x15: 0000000000000030 x14: ffffffffffffffff <4>[ 121.927317] x13: ffff8000967f397a x12: ffff8000167f3982 <4>[ 121.932919] x11: ffff8000125d41c0 x10: 0000000000001440 <4>[ 121.938522] x9 : ffff80001012c154 x8 : 0000000000000000 <4>[ 121.944124] x7 : 0000000000000000 x6 : ffff8000125a5000 <4>[ 121.949726] x5 : ffff8000125a5c88 x4 : ffff00097efb2c68 <4>[ 121.955328] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 121.960930] x1 : 0000000000000000 x0 : ffff0008003db100 <4>[ 121.966533] Call trace: <4>[ 121.969254] refcount_warn_saturate+0xf4/0x144 <4>[ 121.973979] __refcount_sub_and_test.constprop.0+0x74/0x8c <4>[ 121.979748] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x48/0x8c <4>[ 121.985688] lkdtm_do_action+0x24/0x40 <4>[ 121.989714] direct_entry+0xd0/0x140 <4>[ 121.993565] full_proxy_write+0x68/0xbc <4>[ 121.997679] vfs_write+0xec/0x20c <4>[ 122.001269] ksys_write+0x70/0x100 <4>[ 122.004945] __arm64_sys_write+0x24/0x30 <4>[ 122.009147] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 122.014217] do_el0_svc+0x2c/0xa4 <4>[ 122.017807] el0_svc+0x20/0x30 <4>[ 122.021136] el0_sync_handler+0xb0/0xb4 <4>[ 122.025247] el0_sync+0x180/0x1c0 <4>[ 122.028834] irq event stamp: 0 <4>[ 122.032165] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 122.038718] hardirqs last disabled at (0): [] copy_process+0x5d4/0x1de0 <4>[ 122.047183] softirqs last enabled at (0): [] copy_process+0x5d4/0x1de0 <4>[ 122.055645] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 122.062191] ---[ end trace 65b1a0a095d4f647 ]--- <6>[ 122.067255] lkdtm: Saturation detected: still saturated # [ 121.803234] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 121.810488] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 121.817543] ------------[ cut here ]------------ # [ 121.822489] refcount_t: underflow; use-after-free. # [ 121.827747] WARNING: CPU: 5 PID: 2750 at lib/refcount.c:28 refcount_warn_saturate+0xf4/0x144 # [ 121.836470] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 121.848259] CPU: 5 PID: 2750 Comm: cat Tainted: G D W 5.10.216-cip47 #1 # [ 121.856283] Hardware name: ARM Juno development board (r0) (DT) # [ 121.862485] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 121.868774] pc : refcount_warn_saturate+0xf4/0x144 # [ 121.873843] lr : refcount_warn_saturate+0xf4/0x144 # [ 121.878908] sp : ffff8000167f3cd0 # [ 121.882495] x29: ffff8000167f3cd0 x28: ffff0008003db100 # [ 121.888098] x27: 0000000000000000 x26: 0000000000000000 # [ 121.893701] x25: ffff80001150a190 x24: ffff8000167f3e20 # [ 121.899304] x23: 0000000000000020 x22: ffff000803d65000 # [ 121.904907] x21: ffff800011a27d58 x20: ffff80001150a540 # [ 121.910510] x19: 000000000000003b x18: 0000000000000000 # [ 121.916112] x17: 0000000000000000 x16: 0000000000000000 # [ 121.921715] x15: 0000000000000030 x14: ffffffffffffffff # [ 121.927317] x13: ffff8000967f397a x12: ffff8000167f3982 # [ 121.932919] x11: ffff8000125d41c0 x10: 0000000000001440 # [ 121.938522] x9 : ffff80001012c154 x8 : 0000000000000000 # [ 121.944124] x7 : 0000000000000000 x6 : ffff8000125a5000 # [ 121.949726] x5 : ffff8000125a5c88 x4 : ffff00097efb2c68 # [ 121.955328] x3 : 0000000000000000 x2 : 0000000000000000 # [ 121.960930] x1 : 0000000000000000 x0 : ffff0008003db100 # [ 121.966533] Call trace: # [ 121.969254] refcount_warn_saturate+0xf4/0x144 # [ 121.973979] __refcount_sub_and_test.constprop.0+0x74/0x8c # [ 121.979748] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x48/0x8c # [ 121.985688] lkdtm_do_action+0x24/0x40 # [ 121.989714] direct_entry+0xd0/0x140 # [ 121.993565] full_proxy_write+0x68/0xbc # [ 121.997679] vfs_write+0xec/0x20c # [ 122.001269] ksys_write+0x70/0x100 # [ 122.004945] __arm64_sys_write+0x24/0x30 # [ 122.009147] el0_svc_common.constprop.0+0x84/0x1e0 # [ 122.014217] do_el0_svc+0x2c/0xa4 # [ 122.017807] el0_svc+0x20/0x30 # [ 122.021136] el0_sync_handler+0xb0/0xb4 # [ 122.025247] el0_sync+0x180/0x1c0 # [ 122.028834] irq event stamp: 0 # [ 122.032165] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 122.038718] hardirqs last disabled at (0): [] copy_process+0x5d4/0x1de0 # [ 122.047183] softirqs last enabled at (0): [] copy_process+0x5d4/0x1de0 # [ 122.055645] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 122.062191] ---[ end trace 65b1a0a095d4f647 ]--- # [ 122.067255] lkdtm: Saturation detected: still saturated # REFCOUNT_SUB_AND_TEST_SATURATED: saw 'Saturation detected: still saturated': ok ok 58 selftests: lkdtm: REFCOUNT_SUB_AND_TEST_SATURATED.sh # selftests: lkdtm: REFCOUNT_TIMING.sh # Skipping REFCOUNT_TIMING: timing only ok 59 selftests: lkdtm: REFCOUNT_TIMING.sh # SKIP # selftests: lkdtm: ATOMIC_TIMING.sh # Skipping ATOMIC_TIMING: timing only ok 60 selftests: lkdtm: ATOMIC_TIMING.sh # SKIP # selftests: lkdtm: USERCOPY_HEAP_SIZE_TO.sh <6>[ 123.040451] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO <6>[ 123.046958] lkdtm: attempting good copy_to_user of correct size <6>[ 123.053271] lkdtm: attempting bad copy_to_user of too large size # [ 123.040451] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 123.046958] lkdtm: attempting good copy_to_user of correct size # [ 123.053271] lkdtm: attempting bad copy_to_user of too large size # USERCOPY_HEAP_SIZE_TO: missing 'call trace:': [FAIL] not ok 61 selftests: lkdtm: USERCOPY_HEAP_SIZE_TO.sh # exit=1 # selftests: lkdtm: USERCOPY_HEAP_SIZE_FROM.sh <6>[ 123.547209] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM <6>[ 123.553788] lkdtm: attempting good copy_from_user of correct size <6>[ 123.560319] lkdtm: attempting bad copy_from_user of too large size # [ 123.547209] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 123.553788] lkdtm: attempting good copy_from_user of correct size # [ 123.560319] lkdtm: attempting bad copy_from_user of too large size # USERCOPY_HEAP_SIZE_FROM: missing 'call trace:': [FAIL] not ok 62 selftests: lkdtm: USERCOPY_HEAP_SIZE_FROM.sh # exit=1 # selftests: lkdtm: USERCOPY_HEAP_WHITELIST_TO.sh <6>[ 124.046841] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO <6>[ 124.053671] lkdtm: attempting good copy_to_user inside whitelist <6>[ 124.060097] lkdtm: attempting bad copy_to_user outside whitelist # [ 124.046841] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 124.053671] lkdtm: attempting good copy_to_user inside whitelist # [ 124.060097] lkdtm: attempting bad copy_to_user outside whitelist # USERCOPY_HEAP_WHITELIST_TO: missing 'call trace:': [FAIL] not ok 63 selftests: lkdtm: USERCOPY_HEAP_WHITELIST_TO.sh # exit=1 # selftests: lkdtm: USERCOPY_HEAP_WHITELIST_FROM.sh <6>[ 124.565767] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM <6>[ 124.572787] lkdtm: attempting good copy_from_user inside whitelist <6>[ 124.579529] lkdtm: attempting bad copy_from_user outside whitelist # [ 124.565767] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 124.572787] lkdtm: attempting good copy_from_user inside whitelist # [ 124.579529] lkdtm: attempting bad copy_from_user outside whitelist # USERCOPY_HEAP_WHITELIST_FROM: missing 'call trace:': [FAIL] not ok 64 selftests: lkdtm: USERCOPY_HEAP_WHITELIST_FROM.sh # exit=1 # selftests: lkdtm: USERCOPY_STACK_FRAME_TO.sh <6>[ 125.075318] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO <6>[ 125.081879] lkdtm: good_stack: ffff800016bf3cd8-ffff800016bf3cf8 <6>[ 125.088236] lkdtm: bad_stack : ffff800016bf3c38-ffff800016bf3c58 <6>[ 125.094590] lkdtm: attempting good copy_to_user of local stack <6>[ 125.100868] lkdtm: attempting bad copy_to_user of distant stack # [ 125.075318] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 125.081879] lkdtm: good_stack: ffff800016bf3cd8-ffff800016bf3cf8 # [ 125.088236] lkdtm: bad_stack : ffff800016bf3c38-ffff800016bf3c58 # [ 125.094590] lkdtm: attempting good copy_to_user of local stack # [ 125.100868] lkdtm: attempting bad copy_to_user of distant stack # USERCOPY_STACK_FRAME_TO: missing 'call trace:': [FAIL] not ok 65 selftests: lkdtm: USERCOPY_STACK_FRAME_TO.sh # exit=1 # selftests: lkdtm: USERCOPY_STACK_FRAME_FROM.sh <6>[ 125.605961] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM <6>[ 125.612761] lkdtm: good_stack: ffff800016c9bcd8-ffff800016c9bcf8 <6>[ 125.619232] lkdtm: bad_stack : ffff800016c9bc38-ffff800016c9bc58 <6>[ 125.625819] lkdtm: attempting good copy_from_user of local stack <6>[ 125.632175] lkdtm: attempting bad copy_from_user of distant stack # [ 125.605961] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 125.612761] lkdtm: good_stack: ffff800016c9bcd8-ffff800016c9bcf8 # [ 125.619232] lkdtm: bad_stack : ffff800016c9bc38-ffff800016c9bc58 # [ 125.625819] lkdtm: attempting good copy_from_user of local stack # [ 125.632175] lkdtm: attempting bad copy_from_user of distant stack # USERCOPY_STACK_FRAME_FROM: missing 'call trace:': [FAIL] not ok 66 selftests: lkdtm: USERCOPY_STACK_FRAME_FROM.sh # exit=1 # selftests: lkdtm: USERCOPY_STACK_BEYOND.sh <6>[ 126.136906] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND <6>[ 126.143278] lkdtm: good_stack: ffff800016d33cd8-ffff800016d33cf8 <6>[ 126.149686] lkdtm: bad_stack : ffff800016d33ff8-ffff800016d34018 <6>[ 126.156067] lkdtm: attempting good copy_to_user of local stack <6>[ 126.162624] lkdtm: attempting bad copy_to_user of distant stack <1>[ 126.168891] Unable to handle kernel paging request at virtual address ffff800016d34000 <1>[ 126.177137] Mem abort info: <1>[ 126.180208] ESR = 0x96000007 <1>[ 126.183556] EC = 0x25: DABT (current EL), IL = 32 bits <1>[ 126.189165] SET = 0, FnV = 0 <1>[ 126.192494] EA = 0, S1PTW = 0 <1>[ 126.195923] Data abort info: <1>[ 126.199095] ISV = 0, ISS = 0x00000007 <1>[ 126.203229] CM = 0, WnR = 0 <1>[ 126.206493] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081de9000 <1>[ 126.213492] [ffff800016d34000] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=0000000884250003, pte=0000000000000000 <0>[ 126.226385] Internal error: Oops: 0000000096000007 [#16] PREEMPT SMP <4>[ 126.233015] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 126.244769] CPU: 1 PID: 3053 Comm: cat Tainted: G D W 5.10.216-cip47 #1 <4>[ 126.252791] Hardware name: ARM Juno development board (r0) (DT) <4>[ 126.258992] pstate: 80000005 (Nzcv daif -PAN -UAO -TCO BTYPE=--) <4>[ 126.265281] pc : __arch_copy_to_user+0xa0/0x310 <4>[ 126.270089] lr : _copy_to_user+0x6c/0x94 <4>[ 126.274279] sp : ffff800016d33c70 <4>[ 126.277860] x29: ffff800016d33c70 x28: ffff0008075ec980 <4>[ 126.283455] x27: 0000000000000000 x26: 0000000000000000 <4>[ 126.289048] x25: ffff80001150a190 x24: ffff800016d33e20 <4>[ 126.294641] x23: 0000000000000016 x22: ffff000807cb8000 <4>[ 126.300234] x21: ffff800016d33ff8 x20: 0000ffff8d6b2000 <4>[ 126.305831] x19: 0000000000000020 x18: 0000000000000000 <4>[ 126.311423] x17: 0000000000000000 x16: 0000000000000000 <4>[ 126.317015] x15: ffff800016d33ff8 x14: ffffffffffffffff <4>[ 126.322608] x13: ffff800096d3398a x12: ffff800016d33992 <4>[ 126.328200] x11: ffff8000125d41c0 x10: ffff80001262c360 <4>[ 126.333792] x9 : ffff8000100ddd4c x8 : 0000000000000000 <4>[ 126.339384] x7 : ffff80001262c360 x6 : 0000ffff8d6b2008 <4>[ 126.344976] x5 : 0000ffff8d6b2020 x4 : 0000000000000008 <4>[ 126.350567] x3 : 0000000000000010 x2 : 0000000000000018 <4>[ 126.356159] x1 : ffff800016d34000 x0 : 0000ffff8d6b2000 <4>[ 126.361751] Call trace: <4>[ 126.364466] __arch_copy_to_user+0xa0/0x310 <4>[ 126.368922] do_usercopy_stack+0x28c/0x294 <4>[ 126.373287] lkdtm_USERCOPY_STACK_BEYOND+0x20/0x30 <4>[ 126.378351] lkdtm_do_action+0x24/0x40 <4>[ 126.382370] direct_entry+0xd0/0x140 <4>[ 126.386215] full_proxy_write+0x68/0xbc <4>[ 126.390321] vfs_write+0xec/0x20c <4>[ 126.393904] ksys_write+0x70/0x100 <4>[ 126.397574] __arm64_sys_write+0x24/0x30 <4>[ 126.401768] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 126.406831] do_el0_svc+0x2c/0xa4 <4>[ 126.410414] el0_svc+0x20/0x30 <4>[ 126.413735] el0_sync_handler+0xb0/0xb4 <4>[ 126.417840] el0_sync+0x180/0x1c0 <0>[ 126.421426] Code: a8c12027 a88120c7 d503201f d503201f (a8c12027) <4>[ 126.427796] ---[ end trace 65b1a0a095d4f648 ]--- # Segmentation fault # [ 126.136906] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 126.143278] lkdtm: good_stack: ffff800016d33cd8-ffff800016d33cf8 # [ 126.149686] lkdtm: bad_stack : ffff800016d33ff8-ffff800016d34018 # [ 126.156067] lkdtm: attempting good copy_to_user of local stack # [ 126.162624] lkdtm: attempting bad copy_to_user of distant stack # [ 126.168891] Unable to handle kernel paging request at virtual address ffff800016d34000 # [ 126.177137] Mem abort info: # [ 126.180208] ESR = 0x96000007 # [ 126.183556] EC = 0x25: DABT (current EL), IL = 32 bits # [ 126.189165] SET = 0, FnV = 0 # [ 126.192494] EA = 0, S1PTW = 0 # [ 126.195923] Data abort info: # [ 126.199095] ISV = 0, ISS = 0x00000007 # [ 126.203229] CM = 0, WnR = 0 # [ 126.206493] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081de9000 # [ 126.213492] [ffff800016d34000] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=0000000884250003, pte=0000000000000000 # [ 126.226385] Internal error: Oops: 0000000096000007 [#16] PREEMPT SMP # [ 126.233015] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 126.244769] CPU: 1 PID: 3053 Comm: cat Tainted: G D W 5.10.216-cip47 #1 # [ 126.252791] Hardware name: ARM Juno development board (r0) (DT) # [ 126.258992] pstate: 80000005 (Nzcv daif -PAN -UAO -TCO BTYPE=--) # [ 126.265281] pc : __arch_copy_to_user+0xa0/0x310 # [ 126.270089] lr : _copy_to_user+0x6c/0x94 # [ 126.274279] sp : ffff800016d33c70 # [ 126.277860] x29: ffff800016d33c70 x28: ffff0008075ec980 # [ 126.283455] x27: 0000000000000000 x26: 0000000000000000 # [ 126.289048] x25: ffff80001150a190 x24: ffff800016d33e20 # [ 126.294641] x23: 0000000000000016 x22: ffff000807cb8000 # [ 126.300234] x21: ffff800016d33ff8 x20: 0000ffff8d6b2000 # [ 126.305831] x19: 0000000000000020 x18: 0000000000000000 # [ 126.311423] x17: 0000000000000000 x16: 0000000000000000 # [ 126.317015] x15: ffff800016d33ff8 x14: ffffffffffffffff # [ 126.322608] x13: ffff800096d3398a x12: ffff800016d33992 # [ 126.328200] x11: ffff8000125d41c0 x10: ffff80001262c360 # [ 126.333792] x9 : ffff8000100ddd4c x8 : 0000000000000000 # [ 126.339384] x7 : ffff80001262c360 x6 : 0000ffff8d6b2008 # [ 126.344976] x5 : 0000ffff8d6b2020 x4 : 0000000000000008 # [ 126.350567] x3 : 0000000000000010 x2 : 0000000000000018 # [ 126.356159] x1 : ffff800016d34000 x0 : 0000ffff8d6b2000 # [ 126.361751] Call trace: # [ 126.364466] __arch_copy_to_user+0xa0/0x310 # [ 126.368922] do_usercopy_stack+0x28c/0x294 # [ 126.373287] lkdtm_USERCOPY_STACK_BEYOND+0x20/0x30 # [ 126.378351] lkdtm_do_action+0x24/0x40 # [ 126.382370] direct_entry+0xd0/0x140 # [ 126.386215] full_proxy_write+0x68/0xbc # [ 126.390321] vfs_write+0xec/0x20c # [ 126.393904] ksys_write+0x70/0x100 # [ 126.397574] __arm64_sys_write+0x24/0x30 # [ 126.401768] el0_svc_common.constprop.0+0x84/0x1e0 # [ 126.406831] do_el0_svc+0x2c/0xa4 # [ 126.410414] el0_svc+0x20/0x30 # [ 126.413735] el0_sync_handler+0xb0/0xb4 # [ 126.417840] el0_sync+0x180/0x1c0 # [ 126.421426] Code: a8c12027 a88120c7 d503201f d503201f (a8c12027) # [ 126.427796] ---[ end trace 65b1a0a095d4f648 ]--- # USERCOPY_STACK_BEYOND: saw 'call trace:': ok ok 67 selftests: lkdtm: USERCOPY_STACK_BEYOND.sh # selftests: lkdtm: USERCOPY_KERNEL.sh <6>[ 126.966315] lkdtm: Performing direct entry USERCOPY_KERNEL <6>[ 126.972184] lkdtm: attempting good copy_to_user from kernel rodata: ffff80001150a6a0 <6>[ 126.980327] lkdtm: attempting bad copy_to_user from kernel text: ffff8000102cebb0 <3>[ 126.988153] lkdtm: FAIL: survived bad copy_to_user() # [ 126.966315] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 126.972184] lkdtm: attempting good copy_to_user from kernel rodata: ffff80001150a6a0 # [ 126.980327] lkdtm: attempting bad copy_to_user from kernel text: ffff8000102cebb0 # [ 126.988153] lkdtm: FAIL: survived bad copy_to_user() # USERCOPY_KERNEL: missing 'call trace:': [FAIL] not ok 68 selftests: lkdtm: USERCOPY_KERNEL.sh # exit=1 # selftests: lkdtm: STACKLEAK_ERASING.sh <6>[ 127.505186] lkdtm: Performing direct entry STACKLEAK_ERASING <6>[ 127.511179] lkdtm: checking unused part of the thread stack (15608 bytes)... <3>[ 127.518606] lkdtm: FAIL: the erased part is not found (checked 15608 bytes) <3>[ 127.526011] lkdtm: FAIL: the thread stack is NOT properly erased <4>[ 127.532370] CPU: 1 PID: 3137 Comm: cat Tainted: G D W 5.10.216-cip47 #1 <4>[ 127.540393] Hardware name: ARM Juno development board (r0) (DT) <4>[ 127.546588] Call trace: <4>[ 127.549307] dump_backtrace+0x0/0x200 <4>[ 127.553240] show_stack+0x20/0x30 <4>[ 127.556829] dump_stack+0x110/0x160 <4>[ 127.560590] lkdtm_STACKLEAK_ERASING+0x130/0x170 <4>[ 127.565484] lkdtm_do_action+0x24/0x40 <4>[ 127.569504] direct_entry+0xd0/0x140 <4>[ 127.573352] full_proxy_write+0x68/0xbc <4>[ 127.577460] vfs_write+0xec/0x20c <4>[ 127.581044] ksys_write+0x70/0x100 <4>[ 127.584716] __arm64_sys_write+0x24/0x30 <4>[ 127.588912] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 127.593978] do_el0_svc+0x2c/0xa4 <4>[ 127.597563] el0_svc+0x20/0x30 <4>[ 127.600886] el0_sync_handler+0xb0/0xb4 <4>[ 127.604992] el0_sync+0x180/0x1c0 # [ 127.505186] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 127.511179] lkdtm: checking unused part of the thread stack (15608 bytes)... # [ 127.518606] lkdtm: FAIL: the erased part is not found (checked 15608 bytes) # [ 127.526011] lkdtm: FAIL: the thread stack is NOT properly erased # [ 127.532370] CPU: 1 PID: 3137 Comm: cat Tainted: G D W 5.10.216-cip47 #1 # [ 127.540393] Hardware name: ARM Juno development board (r0) (DT) # [ 127.546588] Call trace: # [ 127.549307] dump_backtrace+0x0/0x200 # [ 127.553240] show_stack+0x20/0x30 # [ 127.556829] dump_stack+0x110/0x160 # [ 127.560590] lkdtm_STACKLEAK_ERASING+0x130/0x170 # [ 127.565484] lkdtm_do_action+0x24/0x40 # [ 127.569504] direct_entry+0xd0/0x140 # [ 127.573352] full_proxy_write+0x68/0xbc # [ 127.577460] vfs_write+0xec/0x20c # [ 127.581044] ksys_write+0x70/0x100 # [ 127.584716] __arm64_sys_write+0x24/0x30 # [ 127.588912] el0_svc_common.constprop.0+0x84/0x1e0 # [ 127.593978] do_el0_svc+0x2c/0xa4 # [ 127.597563] el0_svc+0x20/0x30 # [ 127.600886] el0_sync_handler+0xb0/0xb4 # [ 127.604992] 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 <6>[ 128.121964] lkdtm: Performing direct entry CFI_FORWARD_PROTO <6>[ 128.127968] lkdtm: Calling matched prototype ... <6>[ 128.132982] lkdtm: Calling mismatched prototype ... <6>[ 128.138215] lkdtm: Fail: survived mismatched prototype function call! # [ 128.121964] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 128.127968] lkdtm: Calling matched prototype ... # [ 128.132982] lkdtm: Calling mismatched prototype ... # [ 128.138215] lkdtm: Fail: survived mismatched prototype function call! # CFI_FORWARD_PROTO: missing 'call trace:': [FAIL] not ok 70 selftests: lkdtm: CFI_FORWARD_PROTO.sh # exit=1 lkdtm_PANIC_sh skip lkdtm_BUG_sh pass lkdtm_WARNING_sh pass lkdtm_WARNING_MESSAGE_sh pass lkdtm_EXCEPTION_sh pass lkdtm_LOOP_sh skip lkdtm_EXHAUST_STACK_sh skip lkdtm_CORRUPT_STACK_sh skip lkdtm_CORRUPT_STACK_STRONG_sh skip lkdtm_CORRUPT_LIST_ADD_sh fail lkdtm_CORRUPT_LIST_DEL_sh fail lkdtm_STACK_GUARD_PAGE_LEADING_sh pass lkdtm_STACK_GUARD_PAGE_TRAILING_sh pass lkdtm_UNSET_SMEP_sh skip lkdtm_DOUBLE_FAULT_sh skip lkdtm_CORRUPT_PAC_sh fail lkdtm_UNALIGNED_LOAD_STORE_WRITE_sh skip lkdtm_OVERWRITE_ALLOCATION_sh skip lkdtm_WRITE_AFTER_FREE_sh skip lkdtm_READ_AFTER_FREE_sh fail lkdtm_WRITE_BUDDY_AFTER_FREE_sh skip lkdtm_READ_BUDDY_AFTER_FREE_sh fail lkdtm_SLAB_FREE_DOUBLE_sh fail lkdtm_SLAB_FREE_CROSS_sh fail lkdtm_SLAB_FREE_PAGE_sh fail lkdtm_SOFTLOCKUP_sh skip lkdtm_HARDLOCKUP_sh skip lkdtm_SPINLOCKUP_sh skip lkdtm_HUNG_TASK_sh skip lkdtm_EXEC_DATA_sh pass lkdtm_EXEC_STACK_sh pass lkdtm_EXEC_KMALLOC_sh pass lkdtm_EXEC_VMALLOC_sh pass lkdtm_EXEC_RODATA_sh pass lkdtm_EXEC_USERSPACE_sh pass lkdtm_EXEC_NULL_sh pass lkdtm_ACCESS_USERSPACE_sh fail lkdtm_ACCESS_NULL_sh pass lkdtm_WRITE_RO_sh pass lkdtm_WRITE_RO_AFTER_INIT_sh pass lkdtm_WRITE_KERN_sh pass lkdtm_REFCOUNT_INC_OVERFLOW_sh pass lkdtm_REFCOUNT_ADD_OVERFLOW_sh pass lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW_sh pass lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW_sh pass lkdtm_REFCOUNT_DEC_ZERO_sh pass lkdtm_REFCOUNT_DEC_NEGATIVE_sh pass lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE_sh pass lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE_sh pass lkdtm_REFCOUNT_INC_ZERO_sh pass lkdtm_REFCOUNT_ADD_ZERO_sh pass lkdtm_REFCOUNT_INC_SATURATED_sh pass lkdtm_REFCOUNT_DEC_SATURATED_sh pass lkdtm_REFCOUNT_ADD_SATURATED_sh pass lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED_sh pass lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED_sh pass lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED_sh pass lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED_sh pass lkdtm_REFCOUNT_TIMING_sh skip lkdtm_ATOMIC_TIMING_sh skip lkdtm_USERCOPY_HEAP_SIZE_TO_sh fail lkdtm_USERCOPY_HEAP_SIZE_FROM_sh fail lkdtm_USERCOPY_HEAP_WHITELIST_TO_sh fail lkdtm_USERCOPY_HEAP_WHITELIST_FROM_sh fail lkdtm_USERCOPY_STACK_FRAME_TO_sh fail lkdtm_USERCOPY_STACK_FRAME_FROM_sh fail lkdtm_USERCOPY_STACK_BEYOND_sh pass lkdtm_USERCOPY_KERNEL_sh fail lkdtm_STACKLEAK_ERASING_sh fail lkdtm_CFI_FORWARD_PROTO_sh fail + ../../utils/send-to-lava.sh ./output/result.txt + set +x / #