Trying 127.0.0.1... Connected to 127.0.0.1. Escape character is '^]'. �� ARM V2M-Juno Boot loader v1.0.0 HBI0262 build 2068 MBbios update in progress DO NOT SWITCH OFF... Device programmed: 1% Device programmed: 3% Device programmed: 4% Device programmed: 6% Device programmed: 7% Device programmed: 9% Device programmed: 10% Device programmed: 12% Device programmed: 14% Device programmed: 15% Device programmed: 17% Device programmed: 18% Device programmed: 20% Device programmed: 21% Device programmed: 23% Device programmed: 25% Device programmed: 26% Device programmed: 28% Device programmed: 29% Device programmed: 31% Device programmed: 32% Device programmed: 34% Device programmed: 35% Device programmed: 37% Device programmed: 39% MBbios update complete. ARM V2M_Juno Firmware v1.5.1 Build Date: Apr 3 2019 Time : 00:00:00 Date : 01:01:2000 Press Enter to stop auto boot... Powering up system... Switching on ATXPSU... PMIC RAM configuration (pms_v103.bin)... MBtemp : 38 degC Configuring motherboard (rev B, var A)... IOFPGA image \MB\HBI0262B\io_b118.bit IOFPGA config: PASSED OSC CLK config: PASSED Configuring SCC registers... Writing SCC 0x00000054 with 0x0007FFFE Writing SCC 0x0000005C with 0x00FE001E Writing SCC 0x00000100 with 0x003F1000 Writing SCC 0x00000104 with 0x0001F300 Writing SCC 0x00000108 with 0x00371000 Writing SCC 0x0000010C with 0x0001B300 Writing SCC 0x00000118 with 0x003F1000 Writing SCC 0x0000011C with 0x0001F100 Writing SCC 0x000000F8 with 0x0BEC0000 Writing SCC 0x000000FC with 0xABE40000 Writing SCC 0x0000000C with 0x000000C2 Writing SCC 0x00000010 with 0x000000C2 Peripheral ID0:0x000000AD Peripheral ID1:0x000000B0 Peripheral ID2:0x0000000B Peripheral ID3:0x00000000 Peripheral ID4:0x0000000D Peripheral ID5:0x000000F0 Peripheral ID6:0x00000005 Peripheral ID7:0x000000B1 Programming NOR Flash PCIE clock configured... Testing motherboard interfaces (FPGA build 118)... SRAM 32MB test: PASSED LAN9118 test: PASSED ERROR: SMC USB SRAM mode lock SMC USB test: FAILED KMI1/2 test: PASSED MMC test: PASSED PB/LEDs test: PASSED FPGA UART test: PASSED PCIe init test: PASSED MAC addrs test: PASSED SMC MAC address 0002-F700-584D Setting HDMI0 mode for SVGA. Setting HDMI1 mode for SVGA. SoC SMB clock enabled. Testing SMB clock... SMB clock running Releasing system resets... UART0 set to SoC UART0 UART1 set to SoC UART1 NOTICE: Booting Trusted Firmware NOTICE: BL1: v2.1(release):v2.2-rc0 NOTICE: BL1: Built : 02:01:47, Apr 13 2022 NOTICE: BL1: Booting BL2 NOTICE: BL2: v2.1(release):v2.2-rc0 NOTICE: BL2: Built : 02:01:49, Apr 13 2022 NOTICE: BL1: Booting BL31 NOTICE: BL31: v2.1(release):v2.2-rc0 NOTICE: BL31: Built : 02:01:52, Apr 13 2022 U-Boot 2022.04-00567-gb2a22b2c9f-dirty (Apr 14 2022 - 01:11:52 +0100) vexpress_aemv8a DRAM: 8 GiB PCIe XR3 Host Bridge enabled: x4 link (Gen 2) Core: 21 devices, 8 uclasses, devicetree: board Flash: 64 MiB Loading Environment from Flash... *** Warning - bad CRC, using default environment In: serial@7ff80000 Out: serial@7ff80000 Err: serial@7ff80000 Net: eth0: ethernet@200000000 Hit any key to stop autoboot: 1  0 VExpress64# setenv autoload no setenv autoload no VExpress64# setenv initrd_high 0xffffffffffffffff setenv initrd_high 0xffffffffffffffff VExpress64# setenv fdt_high 0xffffffffffffffff setenv fdt_high 0xffffffffffffffff VExpress64# dhcp dhcp smc911x: detected LAN9118 controller smc911x: phy initialized smc911x: MAC 00:02:f7:00:58:4d BOOTP broadcast 1 BOOTP broadcast 2 BOOTP broadcast 3 BOOTP broadcast 4 BOOTP broadcast 5 DHCP client bound to address 192.168.6.16 (3764 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 804041/tftp-deploy-27h0zehs/kernel/uImage tftp 0x80200000 804041/tftp-deploy-27h0zehs/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 192.168.6.16; sending through gateway 192.168.6.1 Filename '804041/tftp-deploy-27h0zehs/kernel/uImage'. Load address: 0x80200000 Loading: *################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# 1.5 MiB/s done Bytes transferred = 43887168 (29daa40 hex) smc911x: MAC 00:02:f7:00:58:4d VExpress64# tftp 0x8fe00000 804041/tftp-deploy-27h0zehs/ramdisk/ramdisk.cpio.gz.uboot tftp 0x8fe00000 804041/tftp-deploy-27h0zehs/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 192.168.6.16; sending through gateway 192.168.6.1 Filename '804041/tftp-deploy-27h0zehs/ramdisk/ramdisk.cpio.gz.uboot'. Load address: 0x8fe00000 Loading: *################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ############################################################# 1.2 MiB/s done Bytes transferred = 19022252 (12241ac hex) smc911x: MAC 00:02:f7:00:58:4d VExpress64# setenv initrd_size ${filesize} setenv initrd_size ${filesize} VExpress64# tftp 0x8fc00000 804041/tftp-deploy-27h0zehs/dtb/juno.dtb tftp 0x8fc00000 804041/tftp-deploy-27h0zehs/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 192.168.6.16; sending through gateway 192.168.6.1 Filename '804041/tftp-deploy-27h0zehs/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/804041/extract-nfsrootfs-p7usbwt0,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/804041/extract-nfsrootfs-p7usbwt0,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: 43887104 Bytes = 41.9 MiB Load Address: 80200000 Entry Point: 80200000 Verifying Checksum ... OK ## Loading init Ramdisk from Legacy Image at 8fe00000 ... Image Name: Image Type: AArch64 Linux RAMDisk Image (uncompressed) Data Size: 19022188 Bytes = 18.1 MiB Load Address: 00000000 Entry Point: 00000000 Verifying Checksum ... OK ## Flattened Device Tree blob at 8fc00000 Booting using the fdt blob at 0x8fc00000 Loading Kernel Image Using Device Tree in place at 000000008fc00000, end 000000008fc08db0 Starting kernel ... [ 0.000000] Booting Linux on physical CPU 0x0000000100 [0x410fd030] [ 0.000000] Linux version 5.10.224-cip52 (KernelCI@build-j332802-arm64-gcc-12-defconfig-kselftest-q4tc9) (aarch64-linux-gnu-gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40) #1 SMP PREEMPT Fri Oct 4 18:37:20 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/0x2f0 [ 0.000000] Modules linked in: [ 0.000000] CPU: 0 PID: 0 Comm: swapper Not tainted 5.10.224-cip52 #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/0x2f0 [ 0.000000] lr : register_console+0x5c/0x2f0 [ 0.000000] sp : ffff800012553de0 [ 0.000000] x29: ffff800012553de0 x28: 0000000081dc0018 [ 0.000000] x27: 00000000fef4a810 x26: 0000000000000000 [ 0.000000] x25: 00000000000046ac x24: ffff80001289a000 [ 0.000000] x23: 0000000000000000 x22: ffff800011d88d88 [ 0.000000] x21: ffff80001289a900 x20: ffff80001344af48 [ 0.000000] x19: ffff80001289a900 x18: 0000000000000006 [ 0.000000] x17: 00000000dbdd936b x16: 0000000000000000 [ 0.000000] x15: ffff8000125538f0 x14: ffff800092553aa7 [ 0.000000] x13: ffff800012553ab4 x12: 0000000000000028 [ 0.000000] x11: 0101010101010101 x10: ffff8000125fbfa8 [ 0.000000] x9 : ffff8000125a3fa8 x8 : 00000000ffffefff [ 0.000000] x7 : ffff8000125fbfa8 x6 : 80000000fffff000 [ 0.000000] x5 : 0000000000000000 x4 : 0000000000000000 [ 0.000000] x3 : 00000000ffffffff x2 : 0000000000000000 [ 0.000000] x1 : 0000000000000000 x0 : ffff800012580100 [ 0.000000] Call trace: [ 0.000000] register_console+0x5c/0x2f0 [ 0.000000] of_setup_earlycon+0x27c/0x2a0 [ 0.000000] early_init_dt_scan_chosen_stdout+0x150/0x1b0 [ 0.000000] acpi_boot_table_init+0x158/0x194 [ 0.000000] setup_arch+0x29c/0x66c [ 0.000000] start_kernel+0x98/0x5ac [ 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 2596aaebce7b33b4 ]--- [ 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/804041/extract-nfsrootfs-p7usbwt0,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:all(zero), heap alloc:off, heap free:off <6>[ 0.000000] software IO TLB: mapped [mem 0x00000000f9000000-0x00000000fd000000] (64MB) <6>[ 0.000000] Memory: 8040000K/8372224K available (18752K kernel code, 4650K rwdata, 9516K rodata, 9792K init, 11275K bss, 299456K reserved, 32768K cma-reserved) <6>[ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=6, Nodes=1 <6>[ 0.000000] ftrace: allocating 58645 entries in 230 pages <6>[ 0.000000] ftrace: allocated 230 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>[ 0.009913] Console: colour dummy device 80x25 <4>[ 0.014796] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar <4>[ 0.022973] ... MAX_LOCKDEP_SUBCLASSES: 8 <4>[ 0.027445] ... MAX_LOCK_DEPTH: 48 <4>[ 0.032003] ... MAX_LOCKDEP_KEYS: 8192 <4>[ 0.036737] ... CLASSHASH_SIZE: 4096 <4>[ 0.041471] ... MAX_LOCKDEP_ENTRIES: 32768 <4>[ 0.046293] ... MAX_LOCKDEP_CHAINS: 65536 <4>[ 0.051116] ... CHAINHASH_SIZE: 32768 <4>[ 0.055938] memory used by lock dependency info: 6365 kB <4>[ 0.061730] memory used for stack traces: 4224 kB <4>[ 0.066904] per task-struct memory footprint: 1920 bytes <6>[ 0.072908] Calibrating delay loop (skipped), value calculated using timer frequency.. 100.00 BogoMIPS (lpj=200000) <6>[ 0.083845] pid_max: default: 32768 minimum: 301 <6>[ 0.089222] LSM: Security Framework initializing <6>[ 0.094309] LSM support for eBPF active <6>[ 0.098708] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes, linear) <6>[ 0.106750] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes, linear) <6>[ 0.127401] rcu: Hierarchical SRCU implementation. <6>[ 0.141504] EFI services will not be available. <6>[ 0.148320] smp: Bringing up secondary CPUs ... <6>[ 0.156796] CPU features: detected: ARM erratum 832075 <6>[ 0.156804] CPU features: detected: ARM erratum 834220 <6>[ 0.156811] CPU features: detected: EL2 vector hardening <6>[ 0.156826] CPU features: detected: Spectre-v2 <6>[ 0.156838] CPU features: detected: ARM errata 1165522, 1319367, or 1530923 <6>[ 0.156847] CPU features: detected: Spectre-BHB <6>[ 0.156856] Detected PIPT I-cache on CPU1 <6>[ 0.156936] CPU1: Booted secondary processor 0x0000000000 [0x410fd070] <6>[ 0.160721] Detected PIPT I-cache on CPU2 <6>[ 0.160772] CPU2: Booted secondary processor 0x0000000001 [0x410fd070] <6>[ 0.164262] Detected VIPT I-cache on CPU3 <6>[ 0.164358] CPU3: Booted secondary processor 0x0000000101 [0x410fd030] <6>[ 0.168329] Detected VIPT I-cache on CPU4 <6>[ 0.168409] CPU4: Booted secondary processor 0x0000000102 [0x410fd030] <6>[ 0.172190] Detected VIPT I-cache on CPU5 <6>[ 0.172265] CPU5: Booted secondary processor 0x0000000103 [0x410fd030] <6>[ 0.173041] smp: Brought up 1 node, 6 CPUs <6>[ 0.267932] SMP: Total of 6 processors activated. <6>[ 0.273075] CPU features: detected: 32-bit EL0 Support <6>[ 0.278776] CPU features: detected: CRC32 instructions <6>[ 0.284350] CPU features: detected: 32-bit EL1 Support <6>[ 0.365344] CPU: All CPU(s) started at EL2 <6>[ 0.370005] alternatives: patching kernel code <6>[ 0.385766] devtmpfs: initialized <4>[ 0.416325] KASLR disabled due to lack of seed <6>[ 0.423447] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 7645041785100000 ns <6>[ 0.433692] futex hash table entries: 2048 (order: 6, 262144 bytes, linear) <6>[ 0.443184] pinctrl core: initialized pinctrl subsystem <6>[ 0.453550] DMI not present or invalid. <6>[ 0.459411] NET: Registered protocol family 16 <6>[ 0.469790] DMA: preallocated 1024 KiB GFP_KERNEL pool for atomic allocations <6>[ 0.477737] DMA: preallocated 1024 KiB GFP_KERNEL|GFP_DMA pool for atomic allocations <6>[ 0.487332] DMA: preallocated 1024 KiB GFP_KERNEL|GFP_DMA32 pool for atomic allocations <6>[ 0.495977] audit: initializing netlink subsys (disabled) <5>[ 0.502388] audit: type=2000 audit(0.408:1): state=initialized audit_enabled=0 res=1 <6>[ 0.505800] thermal_sys: Registered thermal governor 'step_wise' <6>[ 0.510557] thermal_sys: Registered thermal governor 'power_allocator' <6>[ 0.518214] cpuidle: using governor menu <6>[ 0.529913] hw-breakpoint: found 6 breakpoint and 4 watchpoint registers. <6>[ 0.537607] ASID allocator initialised with 65536 entries <6>[ 0.547700] Serial: AMBA PL011 UART driver <6>[ 0.643736] 7ff80000.serial: ttyAMA0 at MMIO 0x7ff80000 (irq = 38, base_baud = 0) is a PL011 rev3 <6>[ 0.653148] printk: console [ttyAMA0] enabled <6>[ 0.653148] printk: console [ttyAMA0] enabled <6>[ 0.662497] printk: bootconsole [pl11] disabled <6>[ 0.662497] printk: bootconsole [pl11] disabled <6>[ 0.726337] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages <6>[ 0.733424] HugeTLB registered 32.0 MiB page size, pre-allocated 0 pages <6>[ 0.740471] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages <6>[ 0.747502] HugeTLB registered 64.0 KiB page size, pre-allocated 0 pages <6>[ 0.761409] cryptd: max_cpu_qlen set to 1000 <6>[ 0.777644] ACPI: Interpreter disabled. <6>[ 0.789146] iommu: Default domain type: Translated <6>[ 0.795254] vgaarb: loaded <5>[ 0.799640] SCSI subsystem initialized <6>[ 0.805314] usbcore: registered new interface driver usbfs <6>[ 0.811302] usbcore: registered new interface driver hub <6>[ 0.817120] usbcore: registered new device driver usb <6>[ 0.827184] pps_core: LinuxPPS API ver. 1 registered <6>[ 0.832493] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <6>[ 0.841990] PTP clock support registered <6>[ 0.846729] EDAC MC: Ver: 3.0.0 <6>[ 0.855346] FPGA manager framework <6>[ 0.859438] Advanced Linux Sound Architecture Driver Initialized. <6>[ 0.868876] clocksource: Switched to clocksource arch_sys_counter <5>[ 2.167636] VFS: Disk quotas dquot_6.6.0 <6>[ 2.172061] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) <6>[ 2.180390] pnp: PnP ACPI: disabled <6>[ 2.218765] NET: Registered protocol family 2 <6>[ 2.224270] IP idents hash table entries: 131072 (order: 8, 1048576 bytes, linear) <6>[ 2.237773] tcp_listen_portaddr_hash hash table entries: 4096 (order: 6, 327680 bytes, linear) <6>[ 2.247948] TCP established hash table entries: 65536 (order: 7, 524288 bytes, linear) <6>[ 2.259467] TCP bind hash table entries: 65536 (order: 10, 4718592 bytes, vmalloc) <6>[ 2.282564] TCP: Hash tables configured (established 65536 bind 65536) <6>[ 2.290957] MPTCP token hash table entries: 8192 (order: 7, 720896 bytes, linear) <6>[ 2.301022] UDP hash table entries: 4096 (order: 7, 655360 bytes, linear) <6>[ 2.310285] UDP-Lite hash table entries: 4096 (order: 7, 655360 bytes, linear) <6>[ 2.320257] NET: Registered protocol family 1 <6>[ 2.327137] RPC: Registered named UNIX socket transport module. <6>[ 2.333445] RPC: Registered udp transport module. <6>[ 2.338473] RPC: Registered tcp transport module. <6>[ 2.343497] RPC: Registered tcp NFSv4.1 backchannel transport module. <6>[ 2.350278] NET: Registered protocol family 44 <6>[ 2.355062] PCI: CLS 0 bytes, default 64 <6>[ 2.360088] Unpacking initramfs... <6>[ 4.121157] Freeing initrd memory: 18572K <6>[ 4.128686] hw perfevents: enabled with armv8_cortex_a57 PMU driver, 7 counters available <6>[ 4.139285] hw perfevents: enabled with armv8_cortex_a53 PMU driver, 7 counters available <6>[ 4.147949] kvm [1]: Guests without required CPU erratum workarounds can deadlock system! <6>[ 4.147949] Only trusted guests should be used on this system. <6>[ 4.162598] kvm [1]: IPA Size Limit: 40 bits <6>[ 4.179446] kvm [1]: vgic interrupt IRQ9 <6>[ 4.184384] kvm [1]: Hyp mode initialized successfully <5>[ 4.211498] Initialise system trusted keyrings <6>[ 4.217037] workingset: timestamp_bits=42 max_order=21 bucket_order=0 <6>[ 4.267134] squashfs: version 4.0 (2009/01/31) Phillip Lougher <5>[ 4.275875] NFS: Registering the id_resolver key type <5>[ 4.281334] Key type id_resolver registered <5>[ 4.285861] Key type id_legacy registered <6>[ 4.290636] nfs4filelayout_init: NFSv4 File Layout Driver Registering... <6>[ 4.297685] nfs4flexfilelayout_init: NFSv4 Flexfile Layout Driver Registering... <6>[ 4.305933] 9p: Installing v9fs 9p2000 file system support <5>[ 4.362322] Key type asymmetric registered <5>[ 4.366790] Asymmetric key parser 'x509' registered <6>[ 4.372101] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 245) <6>[ 4.379848] io scheduler mq-deadline registered <6>[ 4.384715] io scheduler kyber registered <4>[ 4.389680] test_firmware: interface ready <6>[ 4.422046] pl061_gpio 1c1d0000.gpio: PL061 GPIO chip registered <4>[ 4.439303] EINJ: ACPI disabled. <6>[ 4.464233] dma-pl330 7ff00000.dma: Loaded driver for PL330 DMAC-341330 <6>[ 4.471182] dma-pl330 7ff00000.dma: DBUFF-1024x16bytes Num_Chans-8 Num_Peri-8 Num_Events-8 <6>[ 4.511994] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled <6>[ 4.528251] SuperH (H)SCI(F) driver initialized <6>[ 4.534514] msm_serial: driver initialized <5>[ 4.542886] arm-smmu 7fb10000.iommu: probing hardware configuration... <5>[ 4.549771] arm-smmu 7fb10000.iommu: SMMUv1 with: <5>[ 4.554798] arm-smmu 7fb10000.iommu: stage 2 translation <5>[ 4.560520] arm-smmu 7fb10000.iommu: non-coherent table walk <5>[ 4.566604] arm-smmu 7fb10000.iommu: (IDR0.CTTW overridden by FW configuration) <5>[ 4.574334] arm-smmu 7fb10000.iommu: stream matching with 2 register groups <5>[ 4.581713] arm-smmu 7fb10000.iommu: 1 context banks (1 stage-2 only) <5>[ 4.588569] arm-smmu 7fb10000.iommu: Supported page sizes: 0x60211000 <5>[ 4.595420] arm-smmu 7fb10000.iommu: Stage-2: 40-bit IPA -> 40-bit PA <5>[ 4.603545] arm-smmu 7fb20000.iommu: probing hardware configuration... <5>[ 4.610408] arm-smmu 7fb20000.iommu: SMMUv1 with: <5>[ 4.615431] arm-smmu 7fb20000.iommu: stage 2 translation <5>[ 4.621149] arm-smmu 7fb20000.iommu: non-coherent table walk <5>[ 4.627231] arm-smmu 7fb20000.iommu: (IDR0.CTTW overridden by FW configuration) <5>[ 4.634958] arm-smmu 7fb20000.iommu: stream matching with 2 register groups <5>[ 4.642337] arm-smmu 7fb20000.iommu: 1 context banks (1 stage-2 only) <5>[ 4.649196] arm-smmu 7fb20000.iommu: Supported page sizes: 0x60211000 <5>[ 4.656046] arm-smmu 7fb20000.iommu: Stage-2: 40-bit IPA -> 40-bit PA <5>[ 4.663658] arm-smmu 7fb30000.iommu: probing hardware configuration... <5>[ 4.670517] arm-smmu 7fb30000.iommu: SMMUv1 with: <5>[ 4.675540] arm-smmu 7fb30000.iommu: stage 2 translation <5>[ 4.681258] arm-smmu 7fb30000.iommu: coherent table walk <5>[ 4.687001] arm-smmu 7fb30000.iommu: stream matching with 2 register groups <5>[ 4.694394] arm-smmu 7fb30000.iommu: 1 context banks (1 stage-2 only) <5>[ 4.701251] arm-smmu 7fb30000.iommu: Supported page sizes: 0x60211000 <5>[ 4.708101] arm-smmu 7fb30000.iommu: Stage-2: 40-bit IPA -> 40-bit PA <6>[ 4.760328] loop: module loaded <6>[ 4.765896] lkdtm: No crash points registered, enable through debugfs <6>[ 4.776093] megasas: 07.714.04.00-rc1 <6>[ 4.801242] thunder_xcv, ver 1.0 <6>[ 4.804935] thunder_bgx, ver 1.0 <6>[ 4.808585] nicpf, ver 1.0 <6>[ 4.815222] hclge is initializing <6>[ 4.818958] hns3: Hisilicon Ethernet Network Driver for Hip08 Family - version <6>[ 4.826527] hns3: Copyright (c) 2017 Huawei Corporation. <6>[ 4.832299] e1000: Intel(R) PRO/1000 Network Driver <6>[ 4.837498] e1000: Copyright (c) 1999-2006 Intel Corporation. <6>[ 4.843728] e1000e: Intel(R) PRO/1000 Network Driver <6>[ 4.849012] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. <6>[ 4.855407] igb: Intel(R) Gigabit Ethernet Network Driver <6>[ 4.861125] igb: Copyright (c) 2007-2014 Intel Corporation. <6>[ 4.867131] igbvf: Intel(R) Gigabit Virtual Function Network Driver <6>[ 4.873720] igbvf: Copyright (c) 2009 - 2012 Intel Corporation. <6>[ 4.881001] sky2: driver version 1.30 <6>[ 4.949167] smsc911x 18000000.ethernet eth0: MAC Address: 00:02:f7:00:58:4d <6>[ 4.960389] VFIO - User Level meta-driver version: 0.3 <6>[ 4.971411] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver <6>[ 4.978396] ehci-pci: EHCI PCI platform driver <6>[ 4.983277] ehci-platform: EHCI generic platform driver <6>[ 4.989456] ehci-platform 7ffc0000.usb: Adding to iommu group 0 <6>[ 4.996462] ehci-platform 7ffc0000.usb: EHCI Host Controller <6>[ 5.002641] ehci-platform 7ffc0000.usb: new USB bus registered, assigned bus number 1 <6>[ 5.011316] ehci-platform 7ffc0000.usb: irq 41, io mem 0x7ffc0000 <6>[ 5.032929] ehci-platform 7ffc0000.usb: USB 2.0 started, EHCI 1.00 <6>[ 5.042919] hub 1-0:1.0: USB hub found <6>[ 5.047191] hub 1-0:1.0: 1 port detected <6>[ 5.053168] ehci-orion: EHCI orion driver <6>[ 5.057862] ehci-exynos: EHCI Exynos driver <6>[ 5.062662] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver <6>[ 5.069216] ohci-pci: OHCI PCI platform driver <6>[ 5.074163] ohci-platform: OHCI generic platform driver <6>[ 5.080166] ohci-platform 7ffb0000.usb: Adding to iommu group 0 <6>[ 5.086727] ohci-platform 7ffb0000.usb: Generic Platform OHCI controller <6>[ 5.093798] ohci-platform 7ffb0000.usb: new USB bus registered, assigned bus number 2 <6>[ 5.102414] ohci-platform 7ffb0000.usb: irq 40, io mem 0x7ffb0000 <6>[ 5.191362] hub 2-0:1.0: USB hub found <6>[ 5.195544] hub 2-0:1.0: 1 port detected <6>[ 5.201141] ohci-exynos: OHCI Exynos driver <6>[ 5.207257] usbcore: registered new interface driver usb-storage <6>[ 5.225923] rtc-pl031 1c170000.rtc: registered as rtc0 <6>[ 5.231534] rtc-pl031 1c170000.rtc: setting system clock to 2000-01-01T00:03:04 UTC (946684984) <6>[ 5.242455] i2c /dev entries driver <6>[ 5.260071] sp805-wdt 1c0f0000.wdt: registration successful <6>[ 5.278385] sdhci: Secure Digital Host Controller Interface driver <6>[ 5.283399] mmci-pl18x 1c050000.mmci: mmc0: PL180 manf 41 rev0 at 0x1c050000 irq 16,0 (pio) <6>[ 5.284894] sdhci: Copyright(c) Pierre Ossman <6>[ 5.286430] Synopsys Designware Multimedia Card Interface Driver <6>[ 5.305011] usb 1-1: new high-speed USB device number 2 using ehci-platform <6>[ 5.307474] sdhci-pltfm: SDHCI platform and OF driver helper <6>[ 5.323323] leds-syscon 1c010000.apbregs:led0: registered LED (null) <6>[ 5.330821] leds-syscon 1c010000.apbregs:led1: registered LED (null) <6>[ 5.338125] leds-syscon 1c010000.apbregs:led2: registered LED (null) <6>[ 5.345443] leds-syscon 1c010000.apbregs:led3: registered LED (null) <6>[ 5.352743] leds-syscon 1c010000.apbregs:led4: registered LED (null) <6>[ 5.360065] leds-syscon 1c010000.apbregs:led5: registered LED (null) <6>[ 5.367348] leds-syscon 1c010000.apbregs:led6: registered LED (null) <6>[ 5.374647] leds-syscon 1c010000.apbregs:led7: registered LED (null) <6>[ 5.383418] ledtrig-cpu: registered to indicate activity on CPUs <6>[ 5.395723] usbcore: registered new interface driver usbhid <6>[ 5.401618] usbhid: USB HID core driver <6>[ 5.408700] mhu 2b1f0000.mhu: ARM MHU Mailbox registered <6>[ 5.429486] ipip: IPv4 and MPLS over IPv4 tunneling driver <6>[ 5.437201] IPv4 over IPsec tunneling driver <6>[ 5.444888] NET: Registered protocol family 10 <6>[ 5.453871] Segment Routing with IPv6 <6>[ 5.461269] NET: Registered protocol family 17 <6>[ 5.467595] 9pnet: Installing 9P2000 support <5>[ 5.472394] Key type dns_resolver registered <6>[ 5.474722] hub 1-1:1.0: USB hub found <6>[ 5.478057] registered taskstats version 1 <6>[ 5.481591] hub 1-1:1.0: 4 ports detected <5>[ 5.485696] Loading compiled-in X.509 certificates <3>[ 5.544962] scpi_protocol scpi: incorrect or no SCP firmware found <4>[ 5.551691] scpi_protocol: probe of scpi failed with error -110 <6>[ 5.567482] input: gpio-keys as /devices/platform/gpio-keys/input/input1 <4>[ 6.237167] atkbd serio0: keyboard reset failed on 1c060000.kmi <4>[ 7.484935] atkbd serio1: keyboard reset failed on 1c070000.kmi <6>[ 14.163120] 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>[ 14.290166] psmouse serio0: Failed to enable mouse on 1c060000.kmi <6>[ 20.750926] 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>[ 20.877730] psmouse serio1: Failed to enable mouse on 1c070000.kmi <6>[ 20.886144] 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>[ 20.913008] smsc911x 18000000.ethernet eth0: SMSC911x/921x identified at 0xffff800014220000, IRQ: 15 <6>[ 22.985226] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready <5>[ 23.004925] Sending DHCP requests ..., OK <6>[ 29.577632] IP-Config: Got DHCP answer from 192.168.6.1, my address is 192.168.6.16 <6>[ 29.585620] IP-Config: Complete: <6>[ 29.589161] device=eth0, hwaddr=00:02:f7:00:58:4d, ipaddr=192.168.6.16, mask=255.255.255.0, gw=192.168.6.1 <6>[ 29.599572] host=192.168.6.16, domain=, nis-domain=(none) <6>[ 29.605718] bootserver=192.168.6.1, rootserver=192.168.56.230, rootpath= <6>[ 29.605733] nameserver0=10.255.253.1 <6>[ 29.618178] clk: Disabling unused clocks <6>[ 29.622519] ALSA device list: <6>[ 29.625893] No soundcards found. <6>[ 29.630421] uart-pl011 7ff80000.serial: no DMA platform data <6>[ 29.671109] Freeing unused kernel memory: 9792K <6>[ 29.676353] Run /init as init process Loading, please wait... Starting systemd-udevd version 252.22-1~deb12u1 <6>[ 32.718062] tda998x 0-0070: found TDA19988 <6>[ 32.874862] 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 guessed broadcast address 192.168.6.255 IP-Config: eth0 complete (dhcp from 192.168.6.1): address: 192.168.6.16 broadcast: 192.168.6.255 netmask: 255.255.255.0 gateway: 192.168.6.1 dns0 : 10.255.253.1 dns1 : 0.0.0.0 rootserver: 192.168.6.1 rootpath: filename : done. Begin: Running /scripts/nfs-bottom ... done. Begin: Running /scripts/init-bottom ... done. <30>[ 36.226634] systemd[1]: System time before build time, advancing clock. <30>[ 36.763968] 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>[ 36.797397] systemd[1]: Detected architecture arm64. Welcome to [1mDebian GNU/Linux 12 (bookworm)[0m! <30>[ 36.854449] systemd[1]: Hostname set to . <30>[ 39.027471] systemd[1]: Queued start job for default target graphical.target. <30>[ 39.069595] 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>[ 39.099158] 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>[ 39.133304] 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>[ 39.162425] 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>[ 39.186702] 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>[ 39.214371] 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>[ 39.241474] 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>[ 39.261428] systemd[1]: Expecting device dev-ttyAMA0.device - /dev/ttyAMA0... Expecting device [0;1;39mdev-ttyAMA0.device[0m - /dev/ttyAMA0... <30>[ 39.285200] systemd[1]: Reached target cryptsetup.target - Local Encrypted Volumes. [[0;32m OK [0m] Reached target [0;1;39mcryptsetup.…get[0m - Local Encrypted Volumes. <30>[ 39.309195] systemd[1]: Reached target integritysetup.target - Local Integrity Protected Volumes. [[0;32m OK [0m] Reached target [0;1;39mintegrityse…Local Integrity Protected Volumes. <30>[ 39.333255] systemd[1]: Reached target paths.target - Path Units. [[0;32m OK [0m] Reached target [0;1;39mpaths.target[0m - Path Units. <30>[ 39.353206] 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>[ 39.377156] systemd[1]: Reached target slices.target - Slice Units. [[0;32m OK [0m] Reached target [0;1;39mslices.target[0m - Slice Units. <30>[ 39.397209] systemd[1]: Reached target swap.target - Swaps. [[0;32m OK [0m] Reached target [0;1;39mswap.target[0m - Swaps. <30>[ 39.417241] systemd[1]: Reached target veritysetup.target - Local Verity Protected Volumes. [[0;32m OK [0m] Reached target [0;1;39mveritysetup… - Local Verity Protected Volumes. <30>[ 39.442280] 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>[ 39.474288] 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>[ 39.505141] 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>[ 39.531660] systemd[1]: Listening on systemd-journald.socket - Journal Socket. [[0;32m OK [0m] Listening on [0;1;39msystemd-journald.socket[0m - Journal Socket. <30>[ 39.560491] 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>[ 39.592533] 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>[ 39.619136] 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>[ 39.662488] systemd[1]: Mounting dev-hugepages.mount - Huge Pages File System... Mounting [0;1;39mdev-hugepages.mount[0m - Huge Pages File System... <30>[ 39.701118] systemd[1]: Mounting dev-mqueue.mount - POSIX Message Queue File System... Mounting [0;1;39mdev-mqueue.mount…POSIX Message Queue File System... <30>[ 39.741512] systemd[1]: Mounting sys-kernel-debug.mount - Kernel Debug File System... Mounting [0;1;39msys-kernel-debug.…[0m - Kernel Debug File System... <30>[ 39.781416] systemd[1]: Mounting sys-kernel-tracing.mount - Kernel Trace File System... Mounting [0;1;39msys-kernel-tracin…[0m - Kernel Trace File System... <30>[ 39.832741] 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>[ 39.874071] systemd[1]: Starting modprobe@configfs.service - Load Kernel Module configfs... Starting [0;1;39mmodprobe@configfs…m - Load Kernel Module configfs... <30>[ 39.922236] 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>[ 39.961856] systemd[1]: Starting modprobe@drm.service - Load Kernel Module drm... Starting [0;1;39mmodprobe@drm.service[0m - Load Kernel Module drm... <30>[ 40.006435] systemd[1]: Starting modprobe@efi_pstore.service - Load Kernel Module efi_pstore... Starting [0;1;39mmodprobe@efi_psto…- Load Kernel Module efi_pstore... <6>[ 40.045710] device-mapper: ioctl: 4.43.0-ioctl (2020-10-01) initialised: dm-devel@redhat.com <30>[ 40.050705] systemd[1]: Starting modprobe@fuse.service - Load Kernel Module fuse... Starting [0;1;39mmodprobe@fuse.ser…e[0m - Load Kernel Module fuse... <30>[ 40.094531] systemd[1]: Starting modprobe@loop.service - Load Kernel Module loop... Starting [0;1;39mmodprobe@loop.ser…e[0m - Load Kernel Module loop... <30>[ 40.152636] systemd[1]: Starting systemd-journald.service - Journal Service... Starting [0;1;39msystemd-journald.service[0m - Journal Service... <6>[ 40.179551] fuse: init (API version 7.32) <30>[ 40.206266] systemd[1]: Starting systemd-modules-load.service - Load Kernel Modules... Starting [0;1;39msystemd-modules-l…rvice[0m - Load Kernel Modules... <30>[ 40.252111] 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>[ 40.297265] 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>[ 40.341695] systemd[1]: Starting systemd-udev-trigger.service - Coldplug All udev Devices... Starting [0;1;39msystemd-udev-trig…[0m - Coldplug All udev Devices... <30>[ 40.402726] 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>[ 40.428382] 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>[ 40.456639] 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>[ 40.482972] 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>[ 40.515912] 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>[ 40.549339] systemd[1]: modprobe@configfs.service: Deactivated successfully. <30>[ 40.562407] 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>[ 40.596344] systemd[1]: modprobe@dm_mod.service: Deactivated successfully. <30>[ 40.608188] 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>[ 40.640335] systemd[1]: modprobe@drm.service: Deactivated successfully. <30>[ 40.652513] 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>[ 40.685198] systemd[1]: modprobe@efi_pstore.service: Deactivated successfully. <30>[ 40.697064] 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>[ 40.728179] systemd[1]: modprobe@fuse.service: Deactivated successfully. <30>[ 40.740364] 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>[ 40.772796] systemd[1]: modprobe@loop.service: Deactivated successfully. <30>[ 40.784452] 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>[ 40.812215] 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>[ 41.267599] systemd-journald[253]: 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>[ 43.097313] 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] Found device [0;1;39mdev-ttyAMA0.device[0m - /dev/ttyAMA0. [[0;32m OK [0m] Finished [0;1;39msystemd-tmpfiles-…te Volatile Files and Directories. 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>[ 45.724481] cfg80211: Loading compiled-in X.509 certificates for regulatory database <5>[ 45.857085] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' <5>[ 45.866504] cfg80211: Loaded X.509 cert 'wens: 61c038651aabdcf94bd0ac7ff06c7248db18c600' <4>[ 45.879401] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 <4>[ 45.889633] platform regulatory.0: Falling back to sysfs fallback for: regulatory.db [[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. <6>[ 46.420460] cfg80211: failed to load regulatory.db [[0;32m OK [0m] Listening on [0;1;39msystemd-rfkil…l Switch Status /dev/rfkill Watch. [[0;32m OK [0m] Started [0;1;39msystemd-timesyncd.…0m - Network Time Synchronization. [[0;32m OK [0m] Reached target [0;1;39msysinit.target[0m - System Initialization. [[0;32m OK [0m] Started [0;1;39msystemd-tmpfiles-c… Cleanup of Temporary Directories. [[0;32m OK [0m] Reached target [0;1;39mtime-set.target[0m - System Time Set. [[0;32m OK [0m] Started [0;1;39mapt-daily.timer[0m - Daily apt download activities. <46>[ 46.651557] systemd-journald[253]: Oldest entry in /var/log/journal/44a983756b26438995e691b947c527e4/system.journal is older than the configured file retention duration (1month), suggesting rotation. <46>[ 46.669912] systemd-journald[253]: /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-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 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... Starting [0;1;39msystemd-logind.se…ice[0m - User Login Management... 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] 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] Finished [0;1;39me2scrub_reap.serv…ine ext4 Metadata Check Snapshots. [[0;32m OK [0m] Started [0;1;39mdbus.service[0m - D-Bus System Message Bus. [[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. Debian GNU/Linux 12 debian-bookworm-arm64 ttyAMA0 debian-bookworm-arm64 login: root (automatic login) # # Linux debian-bookworm-arm64 5.10.224-cip52 #1 SMP PREEMPT Fri Oct 4 18:37:20 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/804041/extract-nfsrootfs-p7usbwt0' / # export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/804041/extract-nfsrootfs-p7usbwt0' / # export NFS_SERVER_IP='192.168.56.230' # ex<4>[ 66.625311] arm-smmu 2b600000.iommu: deferred probe timeout, ignoring dependency <4>[ 66.633095] arm-smmu: probe of 2b600000.iommu failed with error -110 por<4>[ 67.133026] amba 20010000.etf: deferred probe timeout, ignoring dependency <4>[ 67.140425] amba 20030000.tpiu: deferred probe timeout, ignoring dependency t<4>[ 67.147798] amba 20040000.funnel: deferred probe timeout, ignoring dependency <4>[ 67.155403] amba 20070000.etr: deferred probe timeout, ignoring dependency <4>[ 67.162674] amba 20100000.stm: deferred probe timeout, ignoring dependency <4>[ 67.169943] amba 20120000.replicator: deferred probe timeout, ignoring dependency <4>[ 67.177820] amba 22010000.cpu-debug: deferred probe timeout, ignoring dependency <4>[ 67.185609] amba 22040000.etm: deferred probe timeout, ignoring dependency <4>[ 67.192945] amba 220c0000.funnel: deferred probe timeout, ignoring dependency <4>[ 67.200470] amba 22110000.cpu-debug: deferred probe timeout, ignoring dependency <4>[ 67.208259] amba 22140000.etm: deferred probe timeout, ignoring dependency <4>[ 67.215526] amba 23010000.cpu-debug: deferred probe timeout, ignoring dependency <4>[ 67.223315] amba 23040000.etm: deferred probe timeout, ignoring dependency <4>[ 67.230584] amba 230c0000.funnel: deferred probe timeout, ignoring dependency <4>[ 67.238112] amba 23110000.cpu-debug: deferred probe timeout, ignoring dependency <4>[ 67.245901] amba 23140000.etm: deferred probe timeout, ignoring dependency <4>[ 67.253185] amba 23210000.cpu-debug: deferred probe timeout, ignoring dependency <4>[ 67.260974] amba 23240000.etm: deferred probe timeout, ignoring dependency <4>[ 67.268242] amba 23310000.cpu-debug: deferred probe timeout, ignoring dependency <4>[ 67.276031] amba 23340000.etm: deferred probe timeout, ignoring dependency NFS_SERVER_IP='192.168.56.230' / # #export SHELL=/bin/bash / # export SHELL=/bin/bash. /lava-804041/environment / # . /lava-804041/environment/lava-804041/bin/lava-test-runner /lava-804041/0 / # /lava-804041/bin/lava-test-runner /lava-804041/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-804041/0/tests/0_timesync-off ++ cat uuid + UUID=804041_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-804041/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=804041_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/linux-5.10.y-cip/v5.10.224-cip52-14-g43199b115d255/arm64/defconfig+kselftest/gcc-12/kselftest.tar.xz -L '' -S /dev/null -b juno-uboot -g cip -e '' -p /opt/kselftests/mainline/ -n 1 -i 1 -E '' INFO: install_deps skipped --2024-10-04 22:17:10-- http://storage.kernelci.org/cip/linux-5.10.y-cip/v5.10.224-cip52-14-g43199b115d255/arm64/defconfig+kselftest/gcc-12/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: 2012492 (1.9M) [application/octet-stream] Saving to: 'kselftest_armhf.tar.gz' kselftest_armhf.tar 0%[ ] 0 --.-KB/s kselftest_armhf.tar 1%[ ] 30.67K 103KB/s kselftest_armhf.tar 3%[ ] 71.01K 119KB/s kselftest_armhf.tar 5%[> ] 113.20K 127KB/s kselftest_armhf.tar 7%[> ] 148.79K 126KB/s kselftest_armhf.tar 9%[> ] 195.20K 132KB/s kselftest_armhf.tar 12%[=> ] 241.60K 137KB/s kselftest_armhf.tar 14%[=> ] 289.42K 141KB/s kselftest_armhf.tar 17%[==> ] 340.04K 144KB/s kselftest_armhf.tar 19%[==> ] 392.07K 148KB/s kselftest_armhf.tar 22%[===> ] 446.92K 152KB/s kselftest_armhf.tar 23%[===> ] 469.42K 149KB/s eta 10s kselftest_armhf.tar 26%[====> ] 520.04K 154KB/s eta 10s kselftest_armhf.tar 28%[====> ] 559.42K 154KB/s eta 10s kselftest_armhf.tar 30%[=====> ] 593.17K 155KB/s eta 10s kselftest_armhf.tar 32%[=====> ] 633.95K 156KB/s eta 10s kselftest_armhf.tar 34%[=====> ] 671.92K 157KB/s eta 8s kselftest_armhf.tar 36%[======> ] 716.92K 158KB/s eta 8s kselftest_armhf.tar 38%[======> ] 757.70K 168KB/s eta 8s kselftest_armhf.tar 40%[=======> ] 802.70K 170KB/s eta 8s kselftest_armhf.tar 42%[=======> ] 843.48K 176KB/s eta 8s kselftest_armhf.tar 45%[========> ] 888.48K 174KB/s eta 7s kselftest_armhf.tar 47%[========> ] 930.67K 180KB/s eta 7s kselftest_armhf.tar 49%[========> ] 979.89K 179KB/s eta 7s kselftest_armhf.tar 51%[=========> ] 1019K 185KB/s eta 7s kselftest_armhf.tar 54%[=========> ] 1.05M 187KB/s eta 7s kselftest_armhf.tar 56%[==========> ] 1.09M 185KB/s eta 5s kselftest_armhf.tar 59%[==========> ] 1.14M 199KB/s eta 5s kselftest_armhf.tar 61%[===========> ] 1.19M 198KB/s eta 5s kselftest_armhf.tar 64%[===========> ] 1.25M 204KB/s eta 5s kselftest_armhf.tar 67%[============> ] 1.29M 206KB/s eta 5s kselftest_armhf.tar 70%[=============> ] 1.36M 219KB/s eta 3s kselftest_armhf.tar 73%[=============> ] 1.41M 221KB/s eta 3s kselftest_armhf.tar 77%[==============> ] 1.48M 228KB/s eta 3s kselftest_armhf.tar 79%[==============> ] 1.53M 233KB/s eta 3s kselftest_armhf.tar 83%[===============> ] 1.60M 242KB/s eta 3s kselftest_armhf.tar 86%[================> ] 1.66M 247KB/s eta 1s kselftest_armhf.tar 90%[=================> ] 1.73M 253KB/s eta 1s kselftest_armhf.tar 93%[=================> ] 1.79M 259KB/s eta 1s kselftest_armhf.tar 97%[==================> ] 1.87M 275KB/s eta 1s kselftest_armhf.tar 100%[===================>] 1.92M 282KB/s in 9.4s 2024-10-04 22:17:19 (208 KB/s) - 'kselftest_armhf.tar.gz' saved [2012492/2012492] 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>[ 107.129033] 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>[ 108.769351] lkdtm: Performing direct entry BUG <4>[ 108.774394] ------------[ cut here ]------------ <2>[ 108.779311] kernel BUG at drivers/misc/lkdtm/bugs.c:76! <0>[ 108.785120] Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP <4>[ 108.792194] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 108.803980] CPU: 3 PID: 710 Comm: cat Tainted: G W 5.10.224-cip52 #1 <4>[ 108.811917] Hardware name: ARM Juno development board (r0) (DT) <4>[ 108.818118] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 108.824412] pc : lkdtm_BUG+0x8/0x10 <4>[ 108.828177] lr : lkdtm_do_action+0x24/0x40 <4>[ 108.832546] sp : ffff80001468bd10 <4>[ 108.836131] x29: ffff80001468bd10 x28: ffff00080762e200 <4>[ 108.841734] x27: 0000000000000000 x26: 0000000000000000 <4>[ 108.847336] x25: ffff8000114db328 x24: ffff80001468be20 <4>[ 108.852937] x23: 0000000000000004 x22: ffff0008039a4000 <4>[ 108.858539] x21: ffff8000119f0b38 x20: 0000000000000001 <4>[ 108.864141] x19: ffff8000114db348 x18: 0000000000000006 <4>[ 108.869743] x17: 0000000000000100 x16: 0000000000000000 <4>[ 108.875344] x15: ffff80001468b870 x14: 0000000000000028 <4>[ 108.880945] x13: 0000000000000003 x12: ffff8000129ebb50 <4>[ 108.886546] x11: 0000000000000018 x10: ffff8000125fbfa8 <4>[ 108.892147] x9 : ffff800010a09bb4 x8 : 00000000ffffefff <4>[ 108.897749] x7 : ffff8000125fbfa8 x6 : ffff800012575000 <4>[ 108.903350] x5 : ffff800012575c88 x4 : ffff00097ef6ec68 <4>[ 108.908952] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 108.914553] x1 : ffff00080762e200 x0 : ffff800010a0a240 <4>[ 108.920154] Call trace: <4>[ 108.922875] lkdtm_BUG+0x8/0x10 <4>[ 108.926291] direct_entry+0xc8/0x130 <4>[ 108.930143] full_proxy_write+0x68/0xbc <4>[ 108.934256] vfs_write+0xec/0x22c <4>[ 108.937845] ksys_write+0x78/0x110 <4>[ 108.941521] __arm64_sys_write+0x24/0x30 <4>[ 108.945723] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 108.950792] do_el0_svc+0x2c/0xa4 <4>[ 108.954382] el0_svc+0x20/0x30 <4>[ 108.957709] el0_sync_handler+0xe8/0x114 <4>[ 108.961908] el0_sync+0x180/0x1c0 <0>[ 108.965503] Code: d503201f d503201f aa1e03e9 d503201f (d4210000) <4>[ 108.971880] ---[ end trace 2596aaebce7b33b6 ]--- <6>[ 108.976776] note: cat[710] exited with preempt_count 1 <3>[ 108.982192] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 108.991352] in_atomic(): 0, irqs_disabled(): 128, non_block: 0, pid: 710, name: cat <4>[ 108.999290] INFO: lockdep is turned off. <4>[ 109.003486] irq event stamp: 2056 <4>[ 109.007080] hardirqs last enabled at (2055): [] console_unlock+0x62c/0x664 <4>[ 109.015893] hardirqs last disabled at (2056): [] el1_dbg+0x24/0x50 <4>[ 109.023923] softirqs last enabled at (2052): [] __do_softirq+0x4dc/0x564 <4>[ 109.032565] softirqs last disabled at (2047): [] __irq_exit_rcu+0x170/0x194 <4>[ 109.041379] CPU: 3 PID: 710 Comm: cat Tainted: G D W 5.10.224-cip52 #1 <4>[ 109.049317] Hardware name: ARM Juno development board (r0) (DT) <4>[ 109.055513] Call trace: <4>[ 109.058233] dump_backtrace+0x0/0x200 <4>[ 109.062171] show_stack+0x20/0x2c <4>[ 109.065762] dump_stack+0x108/0x154 <4>[ 109.069527] ___might_sleep+0x144/0x214 <4>[ 109.073638] __might_sleep+0x5c/0x9c <4>[ 109.077490] exit_signals+0x34/0x240 <4>[ 109.081342] do_exit+0xd0/0xb00 <4>[ 109.084758] make_task_dead+0x5c/0x90 <4>[ 109.088695] die+0x244/0x28c <4>[ 109.091850] bug_handler+0x58/0x80 <4>[ 109.095528] call_break_hook+0x70/0x84 <4>[ 109.099553] brk_handler+0x24/0x64 <4>[ 109.103233] do_debug_exception+0xd0/0x150 <4>[ 109.107607] el1_dbg+0x34/0x50 <4>[ 109.110937] el1_sync_handler+0xc8/0xe4 <4>[ 109.115048] el1_sync+0x88/0x140 <4>[ 109.118553] lkdtm_BUG+0x8/0x10 <4>[ 109.121970] direct_entry+0xc8/0x130 <4>[ 109.125822] full_proxy_write+0x68/0xbc <4>[ 109.129935] vfs_write+0xec/0x22c <4>[ 109.133525] ksys_write+0x78/0x110 <4>[ 109.137203] __arm64_sys_write+0x24/0x30 <4>[ 109.141406] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 109.146477] do_el0_svc+0x2c/0xa4 <4>[ 109.150067] el0_svc+0x20/0x30 <4>[ 109.153396] el0_sync_handler+0xe8/0x114 <4>[ 109.157594] el0_sync+0x180/0x1c0 <4>[ 109.162605] ------------[ cut here ]------------ <4>[ 109.167519] WARNING: CPU: 3 PID: 0 at kernel/rcu/tree.c:625 rcu_eqs_enter.constprop.0+0xfc/0x14c <4>[ 109.176593] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 109.188387] CPU: 3 PID: 0 Comm: swapper/3 Tainted: G D W 5.10.224-cip52 #1 <4>[ 109.196674] Hardware name: ARM Juno development board (r0) (DT) <4>[ 109.202879] pstate: 200003c5 (nzCv DAIF -PAN -UAO -TCO BTYPE=--) <4>[ 109.209192] pc : rcu_eqs_enter.constprop.0+0xfc/0x14c <4>[ 109.214528] lr : rcu_idle_enter+0x24/0xec <4>[ 109.218810] sp : ffff80001363be90 <4>[ 109.222396] x29: ffff80001363be90 x28: 0000000000000000 <4>[ 109.228002] x27: 0000000000000000 x26: 0000000000000000 <4>[ 109.233613] x25: 0000000000000000 x24: 000000196a98c564 <4>[ 109.239216] x23: 0000000000000000 x22: ffff000807441880 <4>[ 109.244819] x21: 0000000000000000 x20: ffff800011dc3400 <4>[ 109.250422] x19: ffff00097ef84400 x18: ffff00097ef87bf0 <4>[ 109.256025] x17: 0000000000000100 x16: 0000000000000000 <4>[ 109.261627] x15: ffff80001468b3c0 x14: ffff80009468b57a <4>[ 109.267230] x13: 0000000000000000 x12: 00000000000004af <4>[ 109.272833] x11: 071c71c71c71c71c x10: 00000000000004af <4>[ 109.278435] x9 : ffff800010e3d0fc x8 : 000000000000030d <4>[ 109.284037] x7 : ffff00097ef8254c x6 : 00000001d83dd559 <4>[ 109.289639] x5 : 00ffffffffffffff x4 : 0000000000000015 <4>[ 109.295240] x3 : 000000000458434c x2 : 0000000000000004 <4>[ 109.300842] x1 : 4000000000000002 x0 : 4000000000000000 <4>[ 109.306443] Call trace: <4>[ 109.309168] rcu_eqs_enter.constprop.0+0xfc/0x14c <4>[ 109.314153] rcu_idle_enter+0x24/0xec <4>[ 109.318093] cpuidle_enter_state+0x23c/0x320 <4>[ 109.322640] cpuidle_enter+0x40/0x60 <4>[ 109.326492] do_idle+0x240/0x2d0 <4>[ 109.329996] cpu_startup_entry+0x2c/0x6c <4>[ 109.334197] secondary_start_kernel+0x14c/0x19c <4>[ 109.339004] irq event stamp: 211898 <4>[ 109.342773] hardirqs last enabled at (211897): [] tick_nohz_idle_exit+0x78/0x1a0 <4>[ 109.352113] hardirqs last disabled at (211898): [] __schedule+0x6a8/0x920 <4>[ 109.360757] softirqs last enabled at (211894): [] _local_bh_enable+0x2c/0x50 <4>[ 109.369747] softirqs last disabled at (211893): [] irq_enter_rcu+0x7c/0xa0 <4>[ 109.378472] ---[ end trace 2596aaebce7b33b7 ]--- # Segmentation fault # [ 108.769351] lkdtm: Performing direct entry BUG # [ 108.774394] ------------[ cut here ]------------ # [ 108.779311] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 108.785120] Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP # [ 108.792194] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 108.803980] CPU: 3 PID: 710 Comm: cat Tainted: G W 5.10.224-cip52 #1 # [ 108.811917] Hardware name: ARM Juno development board (r0) (DT) # [ 108.818118] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 108.824412] pc : lkdtm_BUG+0x8/0x10 # [ 108.828177] lr : lkdtm_do_action+0x24/0x40 # [ 108.832546] sp : ffff80001468bd10 # [ 108.836131] x29: ffff80001468bd10 x28: ffff00080762e200 # [ 108.841734] x27: 0000000000000000 x26: 0000000000000000 # [ 108.847336] x25: ffff8000114db328 x24: ffff80001468be20 # [ 108.852937] x23: 0000000000000004 x22: ffff0008039a4000 # [ 108.858539] x21: ffff8000119f0b38 x20: 0000000000000001 # [ 108.864141] x19: ffff8000114db348 x18: 0000000000000006 # [ 108.869743] x17: 0000000000000100 x16: 0000000000000000 # [ 108.875344] x15: ffff80001468b870 x14: 0000000000000028 # [ 108.880945] x13: 0000000000000003 x12: ffff8000129ebb50 # [ 108.886546] x11: 0000000000000018 x10: ffff8000125fbfa8 # [ 108.892147] x9 : ffff800010a09bb4 x8 : 00000000ffffefff # [ 108.897749] x7 : ffff8000125fbfa8 x6 : ffff800012575000 # [ 108.903350] x5 : ffff800012575c88 x4 : ffff00097ef6ec68 # [ 108.908952] x3 : 0000000000000000 x2 : 0000000000000000 # [ 108.914553] x1 : ffff00080762e200 x0 : ffff800010a0a240 # [ 108.920154] Call trace: # [ 108.922875] lkdtm_BUG+0x8/0x10 # [ 108.926291] direct_entry+0xc8/0x130 # [ 108.930143] full_proxy_write+0x68/0xbc # [ 108.934256] vfs_write+0xec/0x22c # [ 108.937845] ksys_write+0x78/0x110 # [ 108.941521] __arm64_sys_write+0x24/0x30 # [ 108.945723] el0_svc_common.constprop.0+0x84/0x1e0 # [ 108.950792] do_el0_svc+0x2c/0xa4 # [ 108.954382] el0_svc+0x20/0x30 # [ 108.957709] el0_sync_handler+0xe8/0x114 # [ 108.961908] el0_sync+0x180/0x1c0 # [ 108.965503] Code: d503201f d503201f aa1e03e9 d503201f (d4210000) # [ 108.971880] ---[ end trace 2596aaebce7b33b6 ]--- # [ 108.976776] note: cat[710] exited with preempt_count 1 # [ 108.982192] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 108.991352] in_atomic(): 0, irqs_disabled(): 128, non_block: 0, pid: 710, name: cat # [ 108.999290] INFO: lockdep is turned off. # [ 109.003486] irq event stamp: 2056 # [ 109.007080] hardirqs last enabled at (2055): [] console_unlock+0x62c/0x664 # [ 109.015893] hardirqs last disabled at (2056): [] el1_dbg+0x24/0x50 # [ 109.023923] softirqs last enabled at (2052): [] __do_softirq+0x4dc/0x564 # [ 109.032565] softirqs last disabled at (2047): [] __irq_exit_rcu+0x170/0x194 # [ 109.041379] CPU: 3 PID: 710 Comm: cat Tainted: G D W 5.10.224-cip52 #1 # [ 109.049317] Hardware name: ARM Juno development board (r0) (DT)<6>[ 109.662235] lkdtm: Performing direct entry WARNING # [ 109.055513] Call trace: <4>[ 109.670289] ------------[ cut here ]------------ # [ 109.058233] dump_backtrace<4>[ 109.677828] WARNING: CPU: 2 PID: 749 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x28/0x34 +0x0/0x200 # [ 109.062171] sh<4>[ 109.689303] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc ow_stack+0x20/0x2c # [ 109.065<4>[ 109.703756] CPU: 2 PID: 749 Comm: cat Tainted: G D W 5.10.224-cip52 #1 762] dump_stack+0x108/0x154 # <4>[ 109.714457] Hardware name: ARM Juno development board (r0) (DT) [ 109.069527] ___might_sleep+0<4>[ 109.723425] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) x144/0x214 # [ 109.073638] __<4>[ 109.732477] pc : lkdtm_WARNING+0x28/0x34 might_sleep+0x5c/0x9c # [ 109.<4>[ 109.739441] lr : lkdtm_do_action+0x24/0x40 077490] exit_signals+0x34/0x240<4>[ 109.746574] sp : ffff800014743d10 # [ 109.081342] do_exit+0xd0<4>[ 109.752929] x29: ffff800014743d10 x28: ffff0008040d0000 /0xb00 # [ 109.084758] make_t<4>[ 109.761284] x27: 0000000000000000 x26: 0000000000000000 ask_dead+0x5c/0x90 # [ 109.088<4>[ 109.769639] x25: ffff8000114db328 x24: ffff800014743e20 695] die+0x244/0x28c # [ 109.<4>[ 109.777994] x23: 0000000000000008 x22: ffff000804e15000 091850] bug_handler+0x58/0x80 <4>[ 109.786350] x21: ffff8000119f0b40 x20: 0000000000000002 # [ 109.095528] call_break_hoo<4>[ 109.794706] x19: ffff8000114db358 x18: 0000000000000006 k+0x70/0x84 # [ 109.099553] b<4>[ 109.803062] x17: 0000000000000100 x16: 0000000000000000 rk_handler+0x24/0x64 # [ 109.1<4>[ 109.811418] x15: ffff800014743870 x14: ffff800094743a2a 03233] do_debug_exception+0xd0/<4>[ 109.819774] x13: ffff800014743a32 x12: 0000000000000000 0x150 # [ 109.107607] el1_dbg<4>[ 109.828130] x11: 0000000000000038 x10: 0000000000001440 +0x34/0x50 # [ 109.110937] el<4>[ 109.836486] x9 : ffff800010a09bb4 x8 : ffff0008040d14a0 1_sync_handler+0xc8/0xe4 # [ 1<4>[ 109.844842] x7 : 0000000000000002 x6 : ffff800012575000 09.115048] el1_sync+0x88/0x140 <4>[ 109.853197] x5 : ffff800012575c88 x4 : ffff00097ef4cc68 # [ 109.118553] lkdtm_BUG+0x8/<4>[ 109.861554] x3 : 0000000000000000 x2 : 0000000000000000 0x10 # [ 109.121970] direct_e<4>[ 109.869997] x1 : ffff8000134b9000 x0 : 0000000000000001 ntry+0xc8/0x130 # [ 109.125822]<4>[ 109.878354] Call trace: full_proxy_write+0x68/0xbc # <4>[ 109.883930] lkdtm_WARNING+0x28/0x34 [ 109.129935] vfs_write+0xec/0x<4>[ 109.890545] direct_entry+0xc8/0x130 22c # [ 109.133525] ksys_write<4>[ 109.897249] full_proxy_write+0x68/0xbc +0x78/0x110 # [ 109.137203] _<4>[ 109.904212] vfs_write+0xec/0x22c _arm64_sys_write+0x24/0x30<4>[ 109.910565] ksys_write+0x78/0x110 <4>[ 109.916485] __arm64_sys_write+0x24/0x30 <4>[ 109.920681] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 109.925902] do_el0_svc+0x2c/0xa4 # [ 109.141406] el0_svc_common.<4>[ 109.929487] el0_svc+0x20/0x30 constprop.0+0x84/0x1e0<4>[ 109.935665] el0_sync_handler+0xe8/0x114 <4>[ 109.941760] el0_sync+0x180/0x1c0 <4>[ 109.945502] irq event stamp: 0 # [ 109.146477] do_el0_svc+0x2c<4>[ 109.948826] hardirqs last enabled at (0): [<0000000000000000>] 0x0 /0xa4 <4>[ 109.958228] hardirqs last disabled at (0): [] copy_process+0x5f4/0x1df4 <4>[ 109.967280] softirqs last enabled at (0): [] copy_process+0x5f4/0x1df4 # [ 109.150067] el0_svc+0x20/0x<4>[ 109.975736] softirqs last disabled at (0): [<0000000000000000>] 0x0 30<4>[ 109.985135] ---[ end trace 2596aaebce7b33b8 ]--- # [ 109.153396] el0_sync_handler+0xe8/0x114 # [ 109.157594] el0_sync+0x180/0x1c0 # [ 109.162605] ------------[ cut here ]------------ # [ 109.167519] WARNING: CPU: 3 PID: 0 at kernel/rcu/tree.c:625 rcu_eqs_enter.constprop.0+0xfc/0x14c # [ 109.176593] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 109.188387] CPU: 3 PID: 0 Comm: swapper/3 Tainted: G D W 5.10.224-cip52 #1 # BUG: saw 'kernel BUG at': ok ok 2 selftests: lkdtm: BUG.sh # selftests: lkdtm: WARNING.sh # [ 109.662235] lkdtm: Performing direct entry WARNING # [ 109.670289] ------------[ cut here ]------------ # [ 109.677828] WARNING: CPU: 2 PID: 749 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x28/0x34 # [ 109.689303] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 109.703756] CPU: 2 PID: 749 Comm: cat Tainted: G D W 5.10.224-cip52 #1 # [ 109.714457] Hardware name: ARM Juno development board (r0) (DT) # [ 109.723425] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 109.732477] pc : lkdtm_WARNING+0x28/0x34 # [ 109.739441] lr : lkdtm_do_action+0x24/0x40 # [ 109.746574] sp : ffff800014743d10 # [ 109.752929] x29: ffff800014743d10 x28: ffff0008040d0000 # [ 109.761284] x27: 0000000000000000 x26: 0000000000000000 # [ 109.769639] x25: ffff8000114db328 x24: ffff800014743e20 # [ 109.777994] x23: 0000000000000008 x22: ffff000804e15000 # [ 109.786350] x21: ffff8000119f0b40 x20: 0000000000000002 # [ 109.794706] x19: ffff8000114db358 x18: 0000000000000006 # [ 109.803062] x17: 0000000000000100 x16: 0000000000000000 # [ 109.811418] x15: ffff800014743870 x14: ffff800094743a2a # [ 109.819774] x13: ffff800014743a32 x12: 0000000000000000 # [ 109.828130] x11: 0000000000000038 x10: 0000000000001440 # [ 109.836486] x9 : ffff800010a09bb4 x8 : ffff0008040d14a0 # [ 109.844842] x7 : 0000000000000002 x6 : ffff800012575000 # [ 109.853197] x5 : ffff800012575c88 x4 : ffff00097ef4cc68 # [ 109.861554] x3 : 0000000000000000 x2 : 0000000000000000 # [ 109.869997] x1 : ffff8000134b9000 x0 : 0000000000000001 # [ 109.878354] Call trace: # [ 109.883930] lkdtm_WARNING+0x28/0x34 # [ 109.890545] direct_entry+0xc8/0x130 # [ 109.897249] full_proxy_write+0x68/0xbc # [ 109.904212] vfs_write+0xec/0x22c # [ 109.910565] ksys_write+0x78/0x110 # [ 109.916485] __arm64_sys_write+0x24/0x30 # [ 109.920681] el0_svc_common.constprop.0+0x84/0x1e0 # [ 109.925902] do_el0_svc+0x2c/0xa4 # [ 109.929487] el0_svc+0x20/0x30 # [ 109.935665] el0_sync_handler+0xe8/0x114 # [ 109.941760] el0_sync+0x180/0x1c0 # [ 109.945502] irq event stamp: 0 # [ 109.948826] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 109.958228] hardirqs last disabled at (0): [] copy_process+0x5f4/0x1df4 # [ 109.967280] softirqs last enabled at (0): [] copy_process+0x5f4/0x1df4 # [ 109.975736] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 109.985135] ---[ end trace 2596aaebce7b33b8 ]--- # WARNING: saw 'WARNING:': ok ok 3 selftests: lkdtm: WARNING.sh # selftests: lkdtm: WARNING_MESSAGE.sh <6>[ 110.391787] lkdtm: Performing direct entry WARNING_MESSAGE <4>[ 110.397671] ------------[ cut here ]------------ <4>[ 110.402644] Warning message trigger count: 2 <4>[ 110.407335] WARNING: CPU: 0 PID: 785 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x30/0x40 <4>[ 110.416755] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 110.428540] CPU: 0 PID: 785 Comm: cat Tainted: G D W 5.10.224-cip52 #1 <4>[ 110.436477] Hardware name: ARM Juno development board (r0) (DT) <4>[ 110.442678] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 110.448968] pc : lkdtm_WARNING_MESSAGE+0x30/0x40 <4>[ 110.453862] lr : lkdtm_WARNING_MESSAGE+0x30/0x40 <4>[ 110.458753] sp : ffff8000147dbd00 <4>[ 110.462338] x29: ffff8000147dbd00 x28: ffff000806c8c980 <4>[ 110.467941] x27: 0000000000000000 x26: 0000000000000000 <4>[ 110.473543] x25: ffff8000114db328 x24: ffff8000147dbe20 <4>[ 110.479144] x23: 0000000000000010 x22: ffff00080476f000 <4>[ 110.484745] x21: ffff8000119f0b48 x20: 0000000000000003 <4>[ 110.490347] x19: ffff8000114db368 x18: 0000000000000006 <4>[ 110.495948] x17: 0000000000000100 x16: 0000000000000000 <4>[ 110.501550] x15: ffff8000147db810 x14: ffff8000947db9ca <4>[ 110.507152] x13: ffff8000147db9d2 x12: 0000000000000000 <4>[ 110.512753] x11: 0000000000000038 x10: ffff8000125fbfa8 <4>[ 110.518354] x9 : ffff80001012b978 x8 : 00000000ffffefff <4>[ 110.523956] x7 : ffff8000125fbfa8 x6 : ffff800012575000 <4>[ 110.529557] x5 : ffff800012575c88 x4 : ffff00097ef08c68 <4>[ 110.535158] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 110.540759] x1 : 0000000000000000 x0 : ffff000806c8c980 <4>[ 110.546360] Call trace: <4>[ 110.549081] lkdtm_WARNING_MESSAGE+0x30/0x40 <4>[ 110.553628] lkdtm_do_action+0x24/0x40 <4>[ 110.557654] direct_entry+0xc8/0x130 <4>[ 110.561505] full_proxy_write+0x68/0xbc <4>[ 110.565618] vfs_write+0xec/0x22c <4>[ 110.569206] ksys_write+0x78/0x110 <4>[ 110.572882] __arm64_sys_write+0x24/0x30 <4>[ 110.577083] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 110.582153] do_el0_svc+0x2c/0xa4 <4>[ 110.585743] el0_svc+0x20/0x30 <4>[ 110.589071] el0_sync_handler+0xe8/0x114 <4>[ 110.593268] el0_sync+0x180/0x1c0 <4>[ 110.596855] irq event stamp: 0 <4>[ 110.600185] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 110.606737] hardirqs last disabled at (0): [] copy_process+0x5f4/0x1df4 <4>[ 110.615202] softirqs last enabled at (0): [] copy_process+0x5f4/0x1df4 <4>[ 110.623663] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 110.630208] ---[ end trace 2596aaebce7b33b9 ]--- # [ 110.391787] lkdtm: Performing direct entry WARNING_MESSAGE # [ 110.397671] ------------[ cut here ]------------ # [ 110.402644] Warning message trigger count: 2 # [ 110.407335] WARNING: CPU: 0 PID: 785 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x30/0x40 # [ 110.416755] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 110.428540] CPU: 0 PID: 785 Comm: cat Tainted: G D W 5.10.224-cip52 #1 # [ 110.436477] Hardware name: ARM Juno development board (r0) (DT) # [ 110.442678] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 110.448968] pc : lkdtm_WARNING_MESSAGE+0x30/0x40 # [ 110.453862] lr : lkdtm_WARNING_MESSAGE+0x30/0x40 # [ 110.458753] sp : ffff8000147dbd00 # [ 110.462338] x29: ffff8000147dbd00 x28: ffff000806c8c980 # [ 110.467941] x27: 0000000000000000 x26: 0000000000000000 # [ 110.473543] x25: ffff8000114db328 x24: ffff8000147dbe20 # [ 110.479144] x23: 0000000000000010 x22: ffff00080476f000 # [ 110.484745] x21: ffff8000119f0b48 x20: 0000000000000003 # [ 110.490347] x19: ffff8000114db368 x18: 0000000000000006 # [ 110.495948] x17: 0000000000000100 x16: 0000000000000000 # [ 110.501550] x15: ffff8000147db810 x14: ffff8000947db9ca # [ 110.507152] x13: ffff8000147db9d2 x12: 0000000000000000 # [ 110.512753] x11: 0000000000000038 x10: ffff8000125fbfa8 # [ 110.518354] x9 : ffff80001012b978 x8 : 00000000ffffefff # [ 110.523956] x7 : ffff8000125fbfa8 x6 : ffff800012575000 # [ 110.529557] x5 : ffff800012575c88 x4 : ffff00097ef08c68 # [ 110.535158] x3 : 0000000000000000 x2 : 0000000000000000 # [ 110.540759] x1 : 0000000000000000 x0 : ffff000806c8c980 # [ 110.546360] Call trace: # [ 110.549081] lkdtm_WARNING_MESSAGE+0x30/0x40 # [ 110.553628] lkdtm_do_action+0x24/0x40 # [ 110.557654] direct_entry+0xc8/0x130 # [ 110.561505] full_proxy_write+0x68/0xbc # [ 110.565618] vfs_write+0xec/0x22c # [ 110.569206] ksys_write+0x78/0x110 # [ 110.572882] __arm64_sys_write+0x24/0x30 # [ 110.577083] el0_svc_common.constprop.0+0x84/0x1e0 # [ 110.582153] do_el0_svc+0x2c/0xa4 # [ 110.585743] el0_svc+0x20/0x30 # [ 110.589071] el0_sync_handler+0xe8/0x114 # [ 110.593268] el0_sync+0x180/0x1c0 # [ 110.596855] irq event stamp: 0 # [ 110.600185] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 110.606737] hardirqs last disabled at (0): [] copy_process+0x5f4/0x1df4 # [ 110.615202] softirqs last enabled at (0): [] copy_process+0x5f4/0x1df4 # [ 110.623663] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 110.630208] ---[ end trace 2596aaebce7b33b9 ]--- # WARNING_MESSAGE: saw 'message trigger': ok ok 4 selftests: lkdtm: WARNING_MESSAGE.sh # selftests: lkdtm: EXCEPTION.sh <6>[ 111.068999] lkdtm: Performing direct entry EXCEPTION <1>[ 111.074322] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000 <1>[ 111.083456] Mem abort info: <1>[ 111.086564] ESR = 0x96000044 <1>[ 111.090002] EC = 0x25: DABT (current EL), IL = 32 bits <1>[ 111.095735] SET = 0, FnV = 0 <1>[ 111.099146] EA = 0, S1PTW = 0 <1>[ 111.102580] Data abort info: <1>[ 111.105758] ISV = 0, ISS = 0x00000044 <1>[ 111.109886] CM = 0, WnR = 1 <1>[ 111.113146] user pgtable: 4k pages, 48-bit VAs, pgdp=0000000883eb9000 <1>[ 111.119892] [0000000000000000] pgd=0000000000000000, p4d=0000000000000000 <0>[ 111.127014] Internal error: Oops: 0000000096000044 [#2] PREEMPT SMP <4>[ 111.133558] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 111.145313] CPU: 1 PID: 818 Comm: cat Tainted: G D W 5.10.224-cip52 #1 <4>[ 111.153250] Hardware name: ARM Juno development board (r0) (DT) <4>[ 111.159451] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 111.165740] pc : lkdtm_EXCEPTION+0x14/0x1c <4>[ 111.170108] lr : lkdtm_do_action+0x24/0x40 <4>[ 111.174472] sp : ffff80001484bd10 <4>[ 111.178057] x29: ffff80001484bd10 x28: ffff000806c8c980 <4>[ 111.183656] x27: 0000000000000000 x26: 0000000000000000 <4>[ 111.189250] x25: ffff8000114db328 x24: ffff80001484be20 <4>[ 111.194843] x23: 000000000000000a x22: ffff0008049b3000 <4>[ 111.200436] x21: ffff8000119f0b58 x20: 0000000000000004 <4>[ 111.206028] x19: ffff8000114db378 x18: 0000000000000006 <4>[ 111.211621] x17: 0000000000000100 x16: 0000000000000000 <4>[ 111.217213] x15: ffff80001484b870 x14: ffff80009484ba2a <4>[ 111.222805] x13: ffff80001484ba33 x12: 0000000000000010 <4>[ 111.228398] x11: 0000000000000008 x10: ffff8000125fbfa8 <4>[ 111.233991] x9 : ffff800010a09bb4 x8 : 00000000ffffefff <4>[ 111.239583] x7 : ffff8000125fbfa8 x6 : ffff800012575000 <4>[ 111.245176] x5 : ffff800012575c88 x4 : ffff00097ef90c68 <4>[ 111.250768] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 111.256360] x1 : ffff000806c8c980 x0 : 0000000000000000 <4>[ 111.261953] Call trace: <4>[ 111.264668] lkdtm_EXCEPTION+0x14/0x1c <4>[ 111.268688] direct_entry+0xc8/0x130 <4>[ 111.272535] full_proxy_write+0x68/0xbc <4>[ 111.276642] vfs_write+0xec/0x22c <4>[ 111.280225] ksys_write+0x78/0x110 <4>[ 111.283895] __arm64_sys_write+0x24/0x30 <4>[ 111.288090] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 111.293153] do_el0_svc+0x2c/0xa4 <4>[ 111.296738] el0_svc+0x20/0x30 <4>[ 111.300059] el0_sync_handler+0xe8/0x114 <4>[ 111.304252] el0_sync+0x180/0x1c0 <0>[ 111.307838] Code: d503201f d2800000 d503233f d50323bf (b900001f) <4>[ 111.314209] ---[ end trace 2596aaebce7b33ba ]--- # Segmentation fault # [ 111.068999] lkdtm: Performing direct entry EXCEPTION # [ 111.074322] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000 # [ 111.083456] Mem abort info: # [ 111.086564] ESR = 0x96000044 # [ 111.090002] EC = 0x25: DABT (current EL), IL = 32 bits # [ 111.095735] SET = 0, FnV = 0 # [ 111.099146] EA = 0, S1PTW = 0 # [ 111.102580] Data abort info: # [ 111.105758] ISV = 0, ISS = 0x00000044 # [ 111.109886] CM = 0, WnR = 1 # [ 111.113146] user pgtable: 4k pages, 48-bit VAs, pgdp=0000000883eb9000 # [ 111.119892] [0000000000000000] pgd=0000000000000000, p4d=0000000000000000 # [ 111.127014] Internal error: Oops: 0000000096000044 [#2] PREEMPT SMP # [ 111.133558] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 111.145313] CPU: 1 PID: 818 Comm: cat Tainted: G D W 5.10.224-cip52 #1 # [ 111.153250] Hardware name: ARM Juno development board (r0) (DT) # [ 111.159451] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 111.165740] pc : lkdtm_EXCEPTION+0x14/0x1c # [ 111.170108] lr : lkdtm_do_action+0x24/0x40 # [ 111.174472] sp : ffff80001484bd10 # [ 111.178057] x29: ffff80001484bd10 x28: ffff000806c8c980 # [ 111.183656] x27: 0000000000000000 x26: 0000000000000000 # [ 111.189250] x25: ffff8000114db328 x24: ffff80001484be20 # [ 111.194843] x23: 000000000000000a x22: ffff0008049b3000 # [ 111.200436] x21: ffff8000119f0b58 x20: 0000000000000004 # [ 111.206028] x19: ffff8000114db378 x18: 0000000000000006 # [ 111.211621] x17: 0000000000000100 x16: 0000000000000000 # [ 111.217213] x15: ffff80001484b870 x14: ffff80009484ba2a # [ 111.222805] x13: ffff80001484ba33 x12: 0000000000000010 # [ 111.228398] x11: 0000000000000008 x10: ffff8000125fbfa8 # [ 111.233991] x9 : ffff800010a09bb4 x8 : 00000000ffffefff # [ 111.239583] x7 : ffff8000125fbfa8 x6 : ffff800012575000 # [ 111.245176] x5 : ffff800012575c88 x4 : ffff00097ef90c68 # [ 111.250768] x3 : 0000000000000000 x2 : 0000000000000000 # [ 111.256360] x1 : ffff000806c8c980 x0 : 0000000000000000 # [ 111.261953] Call trace: # [ 111.264668] lkdtm_EXCEPTION+0x14/0x1c # [ 111.268688] direct_entry+0xc8/0x130 # [ 111.272535] full_proxy_write+0x68/0xbc # [ 111.276642] vfs_write+0xec/0x22c # [ 111.280225] ksys_write+0x78/0x110 # [ 111.283895] __arm64_sys_write+0x24/0x30 # [ 111.288090] el0_svc_common.constprop.0+0x84/0x1e0 # [ 111.293153] do_el0_svc+0x2c/0xa4 # [ 111.296738] el0_svc+0x20/0x30 # [ 111.300059] el0_sync_handler+0xe8/0x114 # [ 111.304252] el0_sync+0x180/0x1c0 # [ 111.307838] Code: d503201f d2800000 d503233f d50323bf (b900001f) # [ 111.314209] ---[ end trace 2596aaebce7b33ba ]--- # 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>[ 112.689698] lkdtm: Performing direct entry CORRUPT_LIST_ADD <6>[ 112.695628] lkdtm: attempting good list addition <6>[ 112.700651] lkdtm: attempting corrupted list addition <3>[ 112.706045] lkdtm: list_add() corruption not detected! # [ 112.689698] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 112.695628] lkdtm: attempting good list addition # [ 112.700651] lkdtm: attempting corrupted list addition # [ 112.706045] 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>[ 113.154495] lkdtm: Performing direct entry CORRUPT_LIST_DEL <6>[ 113.160409] lkdtm: attempting good list removal <6>[ 113.165337] lkdtm: attempting corrupted list removal <3>[ 113.170660] lkdtm: list_del() corruption not detected! # [ 113.154495] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 113.160409] lkdtm: attempting good list removal # [ 113.165337] lkdtm: attempting corrupted list removal # [ 113.170660] 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>[ 113.586106] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING <6>[ 113.592715] lkdtm: attempting bad read from page below current stack <1>[ 113.599424] Unable to handle kernel paging request at virtual address ffff800014c7ffff <1>[ 113.607685] Mem abort info: <1>[ 113.610944] ESR = 0x96000007 <1>[ 113.614398] EC = 0x25: DABT (current EL), IL = 32 bits <1>[ 113.620010] SET = 0, FnV = 0 <1>[ 113.623353] EA = 0, S1PTW = 0 <1>[ 113.626783] Data abort info: <1>[ 113.629953] ISV = 0, ISS = 0x00000007 <1>[ 113.634079] CM = 0, WnR = 0 <1>[ 113.637334] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081db0000 <1>[ 113.644332] [ffff800014c7ffff] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=0000000882ae2003, pte=0000000000000000 <0>[ 113.657222] Internal error: Oops: 0000000096000007 [#3] PREEMPT SMP <4>[ 113.663766] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 113.675519] CPU: 1 PID: 1060 Comm: cat Tainted: G D W 5.10.224-cip52 #1 <4>[ 113.683542] Hardware name: ARM Juno development board (r0) (DT) <4>[ 113.689744] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 113.696036] pc : lkdtm_STACK_GUARD_PAGE_LEADING+0x38/0x5c <4>[ 113.701711] lr : lkdtm_STACK_GUARD_PAGE_LEADING+0x30/0x5c <4>[ 113.707380] sp : ffff800014c83ce0 <4>[ 113.710961] x29: ffff800014c83ce0 x28: ffff000804294980 <4>[ 113.716557] x27: 0000000000000000 x26: 0000000000000000 <4>[ 113.722152] x25: ffff8000114db328 x24: ffff800014c83e20 <4>[ 113.727745] x23: 0000000000000019 x22: ffff00080428e000 <4>[ 113.733339] x21: ffff8000119f0bd8 x20: 000000000000000b <4>[ 113.738932] x19: ffff800014c80000 x18: 0000000000000006 <4>[ 113.744525] x17: 0000000000000100 x16: 0000000000000000 <4>[ 113.750117] x15: ffff800014c83830 x14: ffff800094c839ea <4>[ 113.755710] x13: ffff800014c839f2 x12: 0000000000000008 <4>[ 113.761302] x11: 0000000000000000 x10: ffff8000125fbfa8 <4>[ 113.766895] x9 : ffff80001012b978 x8 : 00000000ffffefff <4>[ 113.772488] x7 : ffff8000125fbfa8 x6 : ffff800012575000 <4>[ 113.778080] x5 : ffff800012575c88 x4 : ffff00097ef6ec68 <4>[ 113.783672] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 113.789264] x1 : ffff000804294980 x0 : ffff8000119f1698 <4>[ 113.794857] Call trace: <4>[ 113.797572] lkdtm_STACK_GUARD_PAGE_LEADING+0x38/0x5c <4>[ 113.802899] lkdtm_do_action+0x24/0x40 <4>[ 113.806919] direct_entry+0xc8/0x130 <4>[ 113.810764] full_proxy_write+0x68/0xbc <4>[ 113.814871] vfs_write+0xec/0x22c <4>[ 113.818454] ksys_write+0x78/0x110 <4>[ 113.822124] __arm64_sys_write+0x24/0x30 <4>[ 113.826319] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 113.831382] do_el0_svc+0x2c/0xa4 <4>[ 113.834965] el0_svc+0x20/0x30 <4>[ 113.838287] el0_sync_handler+0xe8/0x114 <4>[ 113.842479] el0_sync+0x180/0x1c0 <0>[ 113.846067] Code: 91196000 97ffe01e 90003e60 911a6000 (385ff261) <4>[ 113.852437] ---[ end trace 2596aaebce7b33bb ]--- # Segmentation fault # [ 113.586106] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 113.592715] lkdtm: attempting bad read from page below current stack # [ 113.599424] Unable to handle kernel paging request at virtual address ffff800014c7ffff # [ 113.607685] Mem abort info: # [ 113.610944] ESR = 0x96000007 # [ 113.614398] EC = 0x25: DABT (current EL), IL = 32 bits # [ 113.620010] SET = 0, FnV = 0 # [ 113.623353] EA = 0, S1PTW = 0 # [ 113.626783] Data abort info: # [ 113.629953] ISV = 0, ISS = 0x00000007 # [ 113.634079] CM = 0, WnR = 0 # [ 113.637334] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081db0000 # [ 113.644332] [ffff800014c7ffff] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=0000000882ae2003, pte=0000000000000000 # [ 113.657222] Internal error: Oops: 0000000096000007 [#3] PREEMPT SMP # [ 113.663766] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 113.675519] CPU: 1 PID: 1060 Comm: cat Tainted: G D W 5.10.224-cip52 #1 # [ 113.683542] Hardware name: ARM Juno development board (r0) (DT) # [ 113.689744] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 113.696036] pc : lkdtm_STACK_GUARD_PAGE_LEADING+0x38/0x5c # [ 113.701711] lr : lkdtm_STACK_GUARD_PAGE_LEADING+0x30/0x5c # [ 113.707380] sp : ffff800014c83ce0 # [ 113.710961] x29: ffff800014c83ce0 x28: ffff000804294980 # [ 113.716557] x27: 0000000000000000 x26: 0000000000000000 # [ 113.722152] x25: ffff8000114db328 x24: ffff800014c83e20 # [ 113.727745] x23: 0000000000000019 x22: ffff00080428e000 # [ 113.733339] x21: ffff8000119f0bd8 x20: 000000000000000b # [ 113.738932] x19: ffff800014c80000 x18: 0000000000000006 # [ 113.744525] x17: 0000000000000100 x16: 0000000000000000 # [ 113.750117] x15: ffff800014c83830 x14: ffff800094c839ea # [ 113.755710] x13: ffff800014c839f2 x12: 0000000000000008 # [ 113.761302] x11: 0000000000000000 x10: ffff8000125fbfa8 # [ 113.766895] x9 : ffff80001012b978 x8 : 00000000ffffefff # [ 113.772488] x7 : ffff8000125fbfa8 x6 : ffff800012575000 # [ 113.778080] x5 : ffff800012575c88 x4 : ffff00097ef6ec68 # [ 113.783672] x3 : 0000000000000000 x2 : 0000000000000000 # [ 113.789264] x1 : ffff000804294980 x0 : ffff8000119f1698 # [ 113.794857] Call trace: # [ 113.797572] lkdtm_STACK_GUARD_PAGE_LEADING+0x38/0x5c # [ 113.802899] lkdtm_do_action+0x24/0x40 # [ 113.806919] direct_entry+0xc8/0x130 # [ 113.810764] full_proxy_write+0x68/0xbc # [ 113.814871] vfs_write+0xec/0x22c # [ 113.818454] ksys_write+0x78/0x110 # [ 113.822124] __arm64_sys_write+0x24/0x30 # [ 113.826319] el0_svc_common.constprop.0+0x84/0x1e0 # [ 113.831382] do_el0_svc+0x2c/0xa4 # [ 113.834965] el0_svc+0x20/0x30 # [ 113.838287] el0_sync_handler+0xe8/0x114 # [ 113.842479] el0_sync+0x180/0x1c0 # [ 113.846067] Code: 91196000 97ffe01e 90003e60 911a6000 (385ff261) # [ 113.852437] ---[ end trace 2596aaebce7b33bb ]--- # 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>[ 114.245649] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING <6>[ 114.252342] lkdtm: attempting bad read from page above current stack <1>[ 114.259053] Unable to handle kernel paging request at virtual address ffff800014d14000 <1>[ 114.269017] Mem abort info: <1>[ 114.272094] ESR = 0x96000007 <1>[ 114.275550] EC = 0x25: DABT (current EL), IL = 32 bits <1>[ 114.281159] SET = 0, FnV = 0 <1>[ 114.284491] EA = 0, S1PTW = 0 <1>[ 114.287919] Data abort info: <1>[ 114.291087] ISV = 0, ISS = 0x00000007 <1>[ 114.295211] CM = 0, WnR = 0 <1>[ 114.298469] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081db0000 <1>[ 114.305470] [ffff800014d14000] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=0000000882ae2003, pte=0000000000000000 <0>[ 114.318357] Internal error: Oops: 0000000096000007 [#4] PREEMPT SMP <4>[ 114.324900] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 114.336652] CPU: 1 PID: 1106 Comm: cat Tainted: G D W 5.10.224-cip52 #1 <4>[ 114.344680] Hardware name: ARM Juno development board (r0) (DT) <4>[ 114.350876] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 114.357165] pc : lkdtm_STACK_GUARD_PAGE_TRAILING+0x3c/0x60 <4>[ 114.362930] lr : lkdtm_STACK_GUARD_PAGE_TRAILING+0x30/0x60 <4>[ 114.368690] sp : ffff800014d13ce0 <4>[ 114.372272] x29: ffff800014d13ce0 x28: ffff000806c8b100 <4>[ 114.377866] x27: 0000000000000000 x26: 0000000000000000 <4>[ 114.383460] x25: ffff8000114db328 x24: ffff800014d13e20 <4>[ 114.389053] x23: 000000000000001a x22: ffff0008056ef000 <4>[ 114.394646] x21: ffff8000119f0bf8 x20: 000000000000000c <4>[ 114.400238] x19: ffff800014d14000 x18: 0000000000000006 <4>[ 114.405831] x17: 0000000000000100 x16: 0000000000000000 <4>[ 114.411423] x15: ffff800014d13830 x14: ffff800094d139ea <4>[ 114.417016] x13: ffff800014d139f2 x12: 0000000000000010 <4>[ 114.422608] x11: 0000000000000008 x10: ffff8000125fbfa8 <4>[ 114.428201] x9 : ffff80001012b978 x8 : 00000000ffffefff <4>[ 114.433793] x7 : ffff8000125fbfa8 x6 : ffff800012575000 <4>[ 114.439386] x5 : ffff800012575c88 x4 : ffff00097ef08c68 <4>[ 114.444978] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 114.450571] x1 : ffff000806c8b100 x0 : ffff8000119f1710 <4>[ 114.456163] Call trace: <4>[ 114.458878] lkdtm_STACK_GUARD_PAGE_TRAILING+0x3c/0x60 <4>[ 114.464292] lkdtm_do_action+0x24/0x40 <4>[ 114.468312] direct_entry+0xc8/0x130 <4>[ 114.472157] full_proxy_write+0x68/0xbc <4>[ 114.476263] vfs_write+0xec/0x22c <4>[ 114.479846] ksys_write+0x78/0x110 <4>[ 114.483516] __arm64_sys_write+0x24/0x30 <4>[ 114.487712] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 114.492775] do_el0_svc+0x2c/0xa4 <4>[ 114.496358] el0_svc+0x20/0x30 <4>[ 114.499680] el0_sync_handler+0xe8/0x114 <4>[ 114.503872] el0_sync+0x180/0x1c0 <0>[ 114.507459] Code: 97ffe007 91401273 90003e60 911c4000 (39400261) <4>[ 114.513829] ---[ end trace 2596aaebce7b33bc ]--- # Segmentation fault # [ 114.245649] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING # [ 114.252342] lkdtm: attempting bad read from page above current stack # [ 114.259053] Unable to handle kernel paging request at virtual address ffff800014d14000 # [ 114.269017] Mem abort info: # [ 114.272094] ESR = 0x96000007 # [ 114.275550] EC = 0x25: DABT (current EL), IL = 32 bits # [ 114.281159] SET = 0, FnV = 0 # [ 114.284491] EA = 0, S1PTW = 0 # [ 114.287919] Data abort info: # [ 114.291087] ISV = 0, ISS = 0x00000007 # [ 114.295211] CM = 0, WnR = 0 # [ 114.298469] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081db0000 # [ 114.305470] [ffff800014d14000] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=0000000882ae2003, pte=0000000000000000 # [ 114.318357] Internal error: Oops: 0000000096000007 [#4] PREEMPT SMP # [ 114.324900] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 114.336652] CPU: 1 PID: 1106 Comm: cat Tainted: G D W 5.10.224-cip52 #1 # [ 114.344680] Hardware name: ARM Juno development board (r0) (DT) # [ 114.350876] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 114.357165] pc : lkdtm_STACK_GUARD_PAGE_TRAILING+0x3c/0x60 # [ 114.362930] lr : lkdtm_STACK_GUARD_PAGE_TRAILING+0x30/0x60 # [ 114.368690] sp : ffff800014d13ce0 # [ 114.372272] x29: ffff800014d13ce0 x28: ffff000806c8b100 # [ 114.377866] x27: 0000000000000000 x26: 0000000000000000 # [ 114.383460] x25: ffff8000114db328 x24: ffff800014d13e20 # [ 114.389053] x23: 000000000000001a x22: ffff0008056ef000 # [ 114.394646] x21: ffff8000119f0bf8 x20: 000000000000000c # [ 114.400238] x19: ffff800014d14000 x18: 0000000000000006 # [ 114.405831] x17: 0000000000000100 x16: 0000000000000000 # [ 114.411423] x15: ffff800014d13830 x14: ffff800094d139ea # [ 114.417016] x13: ffff800014d139f2 x12: 0000000000000010 # [ 114.422608] x11: 0000000000000008 x10: ffff8000125fbfa8 # [ 114.428201] x9 : ffff80001012b978 x8 : 00000000ffffefff # [ 114.433793] x7 : ffff8000125fbfa8 x6 : ffff800012575000 # [ 114.439386] x5 : ffff800012575c88 x4 : ffff00097ef08c68 # [ 114.444978] x3 : 0000000000000000 x2 : 0000000000000000 # [ 114.450571] x1 : ffff000806c8b100 x0 : ffff8000119f1710 # [ 114.456163] Call trace: # [ 114.458878] lkdtm_STACK_GUARD_PAGE_TRAILING+0x3c/0x60 # [ 114.464292] lkdtm_do_action+0x24/0x40 # [ 114.468312] direct_entry+0xc8/0x130 # [ 114.472157] full_proxy_write+0x68/0xbc # [ 114.476263] vfs_write+0xec/0x22c # [ 114.479846] ksys_write+0x78/0x110 # [ 114.483516] __arm64_sys_write+0x24/0x30 # [ 114.487712] el0_svc_common.constprop.0+0x84/0x1e0 # [ 114.492775] do_el0_svc+0x2c/0xa4 # [ 114.496358] el0_svc+0x20/0x30 # [ 114.499680] el0_sync_handler+0xe8/0x114 # [ 114.503872] el0_sync+0x180/0x1c0 # [ 114.507459] Code: 97ffe007 91401273 90003e60 911c4000 (39400261) # [ 114.513829] ---[ end trace 2596aaebce7b33bc ]--- # STACK_GUARD_PAGE_TRAILING: saw 'call trace:': ok ok 13 selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # selftests: lkdtm: UNSET_SMEP.sh <6>[ 114.954577] lkdtm: Performing direct entry UNSET_SMEP <3>[ 114.959973] lkdtm: XFAIL: this test is x86_64-only # [ 114.954577] lkdtm: Performing direct entry UNSET_SMEP # [ 114.959973] 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>[ 115.373050] lkdtm: Performing direct entry DOUBLE_FAULT <3>[ 115.378617] lkdtm: XFAIL: this test is ia32-only # [ 115.373050] lkdtm: Performing direct entry DOUBLE_FAULT # [ 115.378617] 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>[ 115.786097] lkdtm: Performing direct entry CORRUPT_PAC <3>[ 115.791566] lkdtm: FAIL: CPU lacks pointer authentication feature # [ 115.786097] lkdtm: Performing direct entry CORRUPT_PAC # [ 115.791566] 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>[ 116.198119] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE <3>[ 116.204990] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS # [ 116.198119] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # [ 116.204990] 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>[ 117.071275] lkdtm: Performing direct entry READ_AFTER_FREE <6>[ 117.077122] lkdtm: Value in memory before free: 12345678 <6>[ 117.082776] lkdtm: Attempting bad read from freed memory <6>[ 117.088418] lkdtm: Memory was not poisoned # [ 117.071275] lkdtm: Performing direct entry READ_AFTER_FREE # [ 117.077122] lkdtm: Value in memory before free: 12345678 # [ 117.082776] lkdtm: Attempting bad read from freed memory # [ 117.088418] 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>[ 117.716048] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE <6>[ 117.722441] lkdtm: Value in memory before free: 12345678 <6>[ 117.728110] lkdtm: Attempting to read from freed memory <6>[ 117.733668] lkdtm: Buddy page was not poisoned # [ 117.716048] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE # [ 117.722441] lkdtm: Value in memory before free: 12345678 # [ 117.728110] lkdtm: Attempting to read from freed memory # [ 117.733668] 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>[ 118.138498] lkdtm: Performing direct entry SLAB_FREE_DOUBLE <6>[ 118.144438] lkdtm: Attempting double slab free ... # [ 118.138498] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 118.144438] 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>[ 118.553127] lkdtm: Performing direct entry SLAB_FREE_CROSS <6>[ 118.558972] lkdtm: Attempting cross-cache slab free ... # [ 118.553127] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 118.558972] 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>[ 118.989433] lkdtm: Performing direct entry SLAB_FREE_PAGE <6>[ 118.995168] lkdtm: Attempting non-Slab slab free ... # [ 118.989433] lkdtm: Performing direct entry SLAB_FREE_PAGE # [ 118.995168] 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>[ 120.283804] lkdtm: Performing direct entry EXEC_DATA <6>[ 120.289126] lkdtm: attempting ok execution at ffff800010a0aad0 <6>[ 120.295441] lkdtm: attempting bad execution at ffff8000134b98f8 <1>[ 120.301698] Unable to handle kernel execute from non-executable memory at virtual address ffff8000134b98f8 <1>[ 120.311767] Mem abort info: <1>[ 120.315036] ESR = 0x8600000f <1>[ 120.318404] EC = 0x21: IABT (current EL), IL = 32 bits <1>[ 120.324015] SET = 0, FnV = 0 <1>[ 120.327357] EA = 0, S1PTW = 0 <1>[ 120.330791] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081db0000 <1>[ 120.337792] [ffff8000134b98f8] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=00000009ffff9003, pte=00780000836b9703 <0>[ 120.350684] Internal error: Oops: 000000008600000f [#5] PREEMPT SMP <4>[ 120.357230] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 120.368983] CPU: 2 PID: 1680 Comm: cat Tainted: G D W 5.10.224-cip52 #1 <4>[ 120.377010] Hardware name: ARM Juno development board (r0) (DT) <4>[ 120.383209] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 120.389503] pc : data_area+0x0/0x40 <4>[ 120.393269] lr : execute_location+0x74/0x94 <4>[ 120.397722] sp : ffff800015673cd0 <4>[ 120.401307] x29: ffff800015673cd0 x28: ffff000800bab100 <4>[ 120.406902] x27: 0000000000000000 x26: 0000000000000000 <4>[ 120.412495] x25: ffff8000114db328 x24: ffff800015673e20 <4>[ 120.418088] x23: 000000000000000a x22: ffff000807f34000 <4>[ 120.423681] x21: 0000000000000001 x20: ffff800010a0aad0 <4>[ 120.429273] x19: ffff8000134b98f8 x18: 0000000000000006 <4>[ 120.434865] x17: 0000000000000100 x16: 0000000000000000 <4>[ 120.440458] x15: ffff800015673820 x14: ffff8000956739da <4>[ 120.446050] x13: ffff8000156739e2 x12: 52819801d2800802 <4>[ 120.451643] x11: a9be7bfdf00085a0 x10: ffff8000125fbfa8 <4>[ 120.457235] x9 : ffff80001012b978 x8 : 00000000ffffefff <4>[ 120.462828] x7 : ffff8000125fbfa8 x6 : ffff800012575000 <4>[ 120.468420] x5 : ffff800012575c88 x4 : ffff00097efb2c68 <4>[ 120.474012] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 120.479604] x1 : ffff000800bab100 x0 : 0000000000000033 <4>[ 120.485197] Call trace: <4>[ 120.487911] data_area+0x0/0x40 <4>[ 120.491322] lkdtm_EXEC_DATA+0x24/0x30 <4>[ 120.495343] lkdtm_do_action+0x24/0x40 <4>[ 120.499362] direct_entry+0xc8/0x130 <4>[ 120.503208] full_proxy_write+0x68/0xbc <4>[ 120.507315] vfs_write+0xec/0x22c <4>[ 120.510897] ksys_write+0x78/0x110 <4>[ 120.514568] __arm64_sys_write+0x24/0x30 <4>[ 120.518764] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 120.523826] do_el0_svc+0x2c/0xa4 <4>[ 120.527409] el0_svc+0x20/0x30 <4>[ 120.530731] el0_sync_handler+0xe8/0x114 <4>[ 120.534923] el0_sync+0x180/0x1c0 <0>[ 120.538511] Code: 027fe400 ffff0008 027fe500 ffff0008 (aa1e03e9) <4>[ 120.544881] ---[ end trace 2596aaebce7b33bd ]--- # Segmentation fault # [ 120.283804] lkdtm: Performing direct entry EXEC_DATA # [ 120.289126] lkdtm: attempting ok execution at ffff800010a0aad0 # [ 120.295441] lkdtm: attempting bad execution at ffff8000134b98f8 # [ 120.301698] Unable to handle kernel execute from non-executable memory at virtual address ffff8000134b98f8 # [ 120.311767] Mem abort info: # [ 120.315036] ESR = 0x8600000f # [ 120.318404] EC = 0x21: IABT (current EL), IL = 32 bits # [ 120.324015] SET = 0, FnV = 0 # [ 120.327357] EA = 0, S1PTW = 0 # [ 120.330791] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081db0000 # [ 120.337792] [ffff8000134b98f8] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=00000009ffff9003, pte=00780000836b9703 # [ 120.350684] Internal error: Oops: 000000008600000f [#5] PREEMPT SMP # [ 120.357230] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 120.368983] CPU: 2 PID: 1680 Comm: cat Tainted: G D W 5.10.224-cip52 #1 # [ 120.377010] Hardware name: ARM Juno development board (r0) (DT) # [ 120.383209] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 120.389503] pc : data_area+0x0/0x40 # [ 120.393269] lr : execute_location+0x74/0x94 # [ 120.397722] sp : ffff800015673cd0 # [ 120.401307] x29: ffff800015673cd0 x28: ffff000800bab100 # [ 120.406902] x27: 0000000000000000 x26: 0000000000000000 # [ 120.412495] x25: ffff8000114db328 x24: ffff800015673e20 # [ 120.418088] x23: 000000000000000a x22: ffff000807f34000 # [ 120.423681] x21: 0000000000000001 x20: ffff800010a0aad0 # [ 120.429273] x19: ffff8000134b98f8 x18: 0000000000000006 # [ 120.434865] x17: 0000000000000100 x16: 0000000000000000 # [ 120.440458] x15: ffff800015673820 x14: ffff8000956739da # [ 120.446050] x13: ffff8000156739e2 x12: 52819801d2800802 # [ 120.451643] x11: a9be7bfdf00085a0 x10: ffff8000125fbfa8 # [ 120.457235] x9 : ffff80001012b978 x8 : 00000000ffffefff # [ 120.462828] x7 : ffff8000125fbfa8 x6 : ffff800012575000 # [ 120.468420] x5 : ffff800012575c88 x4 : ffff00097efb2c68 # [ 120.474012] x3 : 0000000000000000 x2 : 0000000000000000 # [ 120.479604] x1 : ffff000800bab100 x0 : 0000000000000033 # [ 120.485197] Call trace: # [ 120.487911] data_area+0x0/0x40 # [ 120.491322] lkdtm_EXEC_DATA+0x24/0x30 # [ 120.495343] lkdtm_do_action+0x24/0x40 # [ 120.499362] direct_entry+0xc8/0x130 # [ 120.503208] full_proxy_write+0x68/0xbc # [ 120.507315] vfs_write+0xec/0x22c # [ 120.510897] ksys_write+0x78/0x110 # [ 120.514568] __arm64_sys_write+0x24/0x30 # [ 120.518764] el0_svc_common.constprop.0+0x84/0x1e0 # [ 120.523826] do_el0_svc+0x2c/0xa4 # [ 120.527409] el0_svc+0x20/0x30 # [ 120.530731] el0_sync_handler+0xe8/0x114 # [ 120.534923] el0_sync+0x180/0x1c0 # [ 120.538511] Code: 027fe400 ffff0008 027fe500 ffff0008 (aa1e03e9) # [ 120.544881] ---[ end trace 2596aaebce7b33bd ]--- # EXEC_DATA: saw 'call trace:': ok ok 30 selftests: lkdtm: EXEC_DATA.sh # selftests: lkdtm: EXEC_STACK.sh <6>[ 120.996186] lkdtm: Performing direct entry EXEC_STACK <6>[ 121.001676] lkdtm: attempting ok execution at ffff800010a0aad0 <6>[ 121.008059] lkdtm: attempting bad execution at ffff800015793cc8 <1>[ 121.014347] Unable to handle kernel execute from non-executable memory at virtual address ffff800015793cc8 <1>[ 121.024524] Mem abort info: <1>[ 121.027726] ESR = 0x8600000f <1>[ 121.031099] EC = 0x21: IABT (current EL), IL = 32 bits <1>[ 121.036719] SET = 0, FnV = 0 <1>[ 121.040070] EA = 0, S1PTW = 0 <1>[ 121.043508] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081db0000 <1>[ 121.050514] [ffff800015793cc8] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=00000008842be003, pte=006800088471e703 <0>[ 121.063419] Internal error: Oops: 000000008600000f [#6] PREEMPT SMP <4>[ 121.069961] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 121.081718] CPU: 2 PID: 1723 Comm: cat Tainted: G D W 5.10.224-cip52 #1 <4>[ 121.089743] Hardware name: ARM Juno development board (r0) (DT) <4>[ 121.095938] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 121.102222] pc : 0xffff800015793cc8 <4>[ 121.105989] lr : execute_location+0x74/0x94 <4>[ 121.110441] sp : ffff800015793c80 <4>[ 121.114030] x29: ffff800015793c80 x28: ffff000802abb100 <4>[ 121.119626] x27: 0000000000000000 x26: 0000000000000000 <4>[ 121.125227] x25: ffff8000114db328 x24: ffff800015793e20 <4>[ 121.130821] x23: 000000000000000b x22: ffff000807eea000 <4>[ 121.136414] x21: 0000000000000001 x20: ffff800010a0aad0 <4>[ 121.142007] x19: ffff800015793cc8 x18: 0000000000000006 <4>[ 121.147600] x17: 0000000000000100 x16: 0000000000000000 <4>[ 121.153193] x15: ffff8000157937d0 x14: ffff80009579398a <4>[ 121.158785] x13: ffff800015793994 x12: 52819801d2800802 <4>[ 121.164378] x11: a9be7bfdf00085a0 x10: ffff8000125fbfa8 <4>[ 121.169970] x9 : ffff80001012b978 x8 : 00000000ffffefff <4>[ 121.175563] x7 : ffff8000125fbfa8 x6 : ffff800012575000 <4>[ 121.181155] x5 : ffff800012575c88 x4 : ffff00097efb2c68 <4>[ 121.186748] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 121.192341] x1 : ffff000802abb100 x0 : 0000000000000033 <4>[ 121.197934] Call trace: <4>[ 121.200648] 0xffff800015793cc8 <4>[ 121.204058] lkdtm_EXEC_STACK+0x3c/0x64 <4>[ 121.208167] lkdtm_do_action+0x24/0x40 <4>[ 121.212186] direct_entry+0xc8/0x130 <4>[ 121.216031] full_proxy_write+0x68/0xbc <4>[ 121.220138] vfs_write+0xec/0x22c <4>[ 121.223722] ksys_write+0x78/0x110 <4>[ 121.227392] __arm64_sys_write+0x24/0x30 <4>[ 121.231588] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 121.236651] do_el0_svc+0x2c/0xa4 <4>[ 121.240234] el0_svc+0x20/0x30 <4>[ 121.243556] el0_sync_handler+0xe8/0x114 <4>[ 121.247749] el0_sync+0x180/0x1c0 <0>[ 121.251336] Code: 10a09bb4 ffff8000 15793d20 ffff8000 (aa1e03e9) <4>[ 121.257706] ---[ end trace 2596aaebce7b33be ]--- # Segmentation fault # [ 120.996186] lkdtm: Performing direct entry EXEC_STACK # [ 121.001676] lkdtm: attempting ok execution at ffff800010a0aad0 # [ 121.008059] lkdtm: attempting bad execution at ffff800015793cc8 # [ 121.014347] Unable to handle kernel execute from non-executable memory at virtual address ffff800015793cc8 # [ 121.024524] Mem abort info: # [ 121.027726] ESR = 0x8600000f # [ 121.031099] EC = 0x21: IABT (current EL), IL = 32 bits # [ 121.036719] SET = 0, FnV = 0 # [ 121.040070] EA = 0, S1PTW = 0 # [ 121.043508] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081db0000 # [ 121.050514] [ffff800015793cc8] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=00000008842be003, pte=006800088471e703 # [ 121.063419] Internal error: Oops: 000000008600000f [#6] PREEMPT SMP # [ 121.069961] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 121.081718] CPU: 2 PID: 1723 Comm: cat Tainted: G D W 5.10.224-cip52 #1 # [ 121.089743] Hardware name: ARM Juno development board (r0) (DT) # [ 121.095938] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 121.102222] pc : 0xffff800015793cc8 # [ 121.105989] lr : execute_location+0x74/0x94 # [ 121.110441] sp : ffff800015793c80 # [ 121.114030] x29: ffff800015793c80 x28: ffff000802abb100 # [ 121.119626] x27: 0000000000000000 x26: 0000000000000000 # [ 121.125227] x25: ffff8000114db328 x24: ffff800015793e20 # [ 121.130821] x23: 000000000000000b x22: ffff000807eea000 # [ 121.136414] x21: 0000000000000001 x20: ffff800010a0aad0 # [ 121.142007] x19: ffff800015793cc8 x18: 0000000000000006 # [ 121.147600] x17: 0000000000000100 x16: 0000000000000000 # [ 121.153193] x15: ffff8000157937d0 x14: ffff80009579398a # [ 121.158785] x13: ffff800015793994 x12: 52819801d2800802 # [ 121.164378] x11: a9be7bfdf00085a0 x10: ffff8000125fbfa8 # [ 121.169970] x9 : ffff80001012b978 x8 : 00000000ffffefff # [ 121.175563] x7 : ffff8000125fbfa8 x6 : ffff800012575000 # [ 121.181155] x5 : ffff800012575c88 x4 : ffff00097efb2c68 # [ 121.186748] x3 : 0000000000000000 x2 : 0000000000000000 # [ 121.192341] x1 : ffff000802abb100 x0 : 0000000000000033 # [ 121.197934] Call trace: # [ 121.200648] 0xffff800015793cc8 # [ 121.204058] lkdtm_EXEC_STACK+0x3c/0x64 # [ 121.208167] lkdtm_do_action+0x24/0x40 # [ 121.212186] direct_entry+0xc8/0x130 # [ 121.216031] full_proxy_write+0x68/0xbc # [ 121.220138] vfs_write+0xec/0x22c # [ 121.223722] ksys_write+0x78/0x110 # [ 121.227392] __arm64_sys_write+0x24/0x30 # [ 121.231588] el0_svc_common.constprop.0+0x84/0x1e0 # [ 121.236651] do_el0_svc+0x2c/0xa4 # [ 121.240234] el0_svc+0x20/0x30 # [ 121.243556] el0_sync_handler+0xe8/0x114 # [ 121.247749] el0_sync+0x180/0x1c0 # [ 121.251336] Code: 10a09bb4 ffff8000 15793d20 ffff8000 (aa1e03e9) # [ 121.257706] ---[ end trace 2596aaebce7b33be ]--- # EXEC_STACK: saw 'call trace:': ok ok 31 selftests: lkdtm: EXEC_STACK.sh # selftests: lkdtm: EXEC_KMALLOC.sh <6>[ 121.675051] lkdtm: Performing direct entry EXEC_KMALLOC <6>[ 121.680639] lkdtm: attempting ok execution at ffff800010a0aad0 <6>[ 121.686983] lkdtm: attempting bad execution at ffff000806845a00 <1>[ 121.693246] Unable to handle kernel execute from non-executable memory at virtual address ffff000806845a00 <1>[ 121.703551] Mem abort info: <1>[ 121.706674] ESR = 0x8600000f <1>[ 121.710021] EC = 0x21: IABT (current EL), IL = 32 bits <1>[ 121.715630] SET = 0, FnV = 0 <1>[ 121.718972] EA = 0, S1PTW = 0 <1>[ 121.722402] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081db0000 <1>[ 121.729398] [ffff000806845a00] pgd=00000009ffff8003, p4d=00000009ffff8003, pud=00000009ffc0a003, pmd=00000009ffbd5003, pte=0068000886845707 <0>[ 121.742283] Internal error: Oops: 000000008600000f [#7] PREEMPT SMP <4>[ 121.748825] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 121.760578] CPU: 1 PID: 1766 Comm: cat Tainted: G D W 5.10.224-cip52 #1 <4>[ 121.768605] Hardware name: ARM Juno development board (r0) (DT) <4>[ 121.774806] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 121.781093] pc : 0xffff000806845a00 <4>[ 121.784855] lr : execute_location+0x74/0x94 <4>[ 121.789306] sp : ffff80001585bcc0 <4>[ 121.792888] x29: ffff80001585bcc0 x28: ffff000802abc980 <4>[ 121.798482] x27: 0000000000000000 x26: 0000000000000000 <4>[ 121.804075] x25: ffff8000114db328 x24: ffff80001585be20 <4>[ 121.809667] x23: 000000000000000d x22: ffff000803cd0000 <4>[ 121.815260] x21: 0000000000000001 x20: ffff800010a0aad0 <4>[ 121.820853] x19: ffff000806845a00 x18: 0000000000000006 <4>[ 121.826445] x17: 0000000000000100 x16: 0000000000000000 <4>[ 121.832037] x15: ffff80001585b810 x14: ffff80009585b9ca <4>[ 121.837629] x13: ffff80001585b9d2 x12: 52819801d2800802 <4>[ 121.843221] x11: a9be7bfdf00085a0 x10: ffff8000125fbfa8 <4>[ 121.848814] x9 : ffff80001012b978 x8 : 00000000ffffefff <4>[ 121.854406] x7 : ffff8000125fbfa8 x6 : ffff800012575000 <4>[ 121.859997] x5 : ffff800012575c88 x4 : ffff00097ef08c68 <4>[ 121.865589] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 121.871181] x1 : ffff000802abc980 x0 : 0000000000000033 <4>[ 121.876774] Call trace: <4>[ 121.879487] 0xffff000806845a00 <4>[ 121.882899] lkdtm_EXEC_KMALLOC+0x38/0x50 <4>[ 121.887179] lkdtm_do_action+0x24/0x40 <4>[ 121.891198] direct_entry+0xc8/0x130 <4>[ 121.895044] full_proxy_write+0x68/0xbc <4>[ 121.899150] vfs_write+0xec/0x22c <4>[ 121.902733] ksys_write+0x78/0x110 <4>[ 121.906403] __arm64_sys_write+0x24/0x30 <4>[ 121.910598] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 121.915661] do_el0_svc+0x2c/0xa4 <4>[ 121.919244] el0_svc+0x20/0x30 <4>[ 121.922566] el0_sync_handler+0xe8/0x114 <4>[ 121.926758] el0_sync+0x180/0x1c0 <0>[ 121.930345] Code: 00000000 00000000 00000000 00000000 (aa1e03e9) <4>[ 121.936714] ---[ end trace 2596aaebce7b33bf ]--- # Segmentation fault # [ 121.675051] lkdtm: Performing direct entry EXEC_KMALLOC # [ 121.680639] lkdtm: attempting ok execution at ffff800010a0aad0 # [ 121.686983] lkdtm: attempting bad execution at ffff000806845a00 # [ 121.693246] Unable to handle kernel execute from non-executable memory at virtual address ffff000806845a00 # [ 121.703551] Mem abort info: # [ 121.706674] ESR = 0x8600000f # [ 121.710021] EC = 0x21: IABT (current EL), IL = 32 bits # [ 121.715630] SET = 0, FnV = 0 # [ 121.718972] EA = 0, S1PTW = 0 # [ 121.722402] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081db0000 # [ 121.729398] [ffff000806845a00] pgd=00000009ffff8003, p4d=00000009ffff8003, pud=00000009ffc0a003, pmd=00000009ffbd5003, pte=0068000886845707 # [ 121.742283] Internal error: Oops: 000000008600000f [#7] PREEMPT SMP # [ 121.748825] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 121.760578] CPU: 1 PID: 1766 Comm: cat Tainted: G D W 5.10.224-cip52 #1 # [ 121.768605] Hardware name: ARM Juno development board (r0) (DT) # [ 121.774806] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 121.781093] pc : 0xffff000806845a00 # [ 121.784855] lr : execute_location+0x74/0x94 # [ 121.789306] sp : ffff80001585bcc0 # [ 121.792888] x29: ffff80001585bcc0 x28: ffff000802abc980 # [ 121.798482] x27: 0000000000000000 x26: 0000000000000000 # [ 121.804075] x25: ffff8000114db328 x24: ffff80001585be20 # [ 121.809667] x23: 000000000000000d x22: ffff000803cd0000 # [ 121.815260] x21: 0000000000000001 x20: ffff800010a0aad0 # [ 121.820853] x19: ffff000806845a00 x18: 0000000000000006 # [ 121.826445] x17: 0000000000000100 x16: 0000000000000000 # [ 121.832037] x15: ffff80001585b810 x14: ffff80009585b9ca # [ 121.837629] x13: ffff80001585b9d2 x12: 52819801d2800802 # [ 121.843221] x11: a9be7bfdf00085a0 x10: ffff8000125fbfa8 # [ 121.848814] x9 : ffff80001012b978 x8 : 00000000ffffefff # [ 121.854406] x7 : ffff8000125fbfa8 x6 : ffff800012575000 # [ 121.859997] x5 : ffff800012575c88 x4 : ffff00097ef08c68 # [ 121.865589] x3 : 0000000000000000 x2 : 0000000000000000 # [ 121.871181] x1 : ffff000802abc980 x0 : 0000000000000033 # [ 121.876774] Call trace: # [ 121.879487] 0xffff000806845a00 # [ 121.882899] lkdtm_EXEC_KMALLOC+0x38/0x50 # [ 121.887179] lkdtm_do_action+0x24/0x40 # [ 121.891198] direct_entry+0xc8/0x130 # [ 121.895044] full_proxy_write+0x68/0xbc # [ 121.899150] vfs_write+0xec/0x22c # [ 121.902733] ksys_write+0x78/0x110 # [ 121.906403] __arm64_sys_write+0x24/0x30 # [ 121.910598] el0_svc_common.constprop.0+0x84/0x1e0 # [ 121.915661] do_el0_svc+0x2c/0xa4 # [ 121.919244] el0_svc+0x20/0x30 # [ 121.922566] el0_sync_handler+0xe8/0x114 # [ 121.926758] el0_sync+0x180/0x1c0 # [ 121.930345] Code: 00000000 00000000 00000000 00000000 (aa1e03e9) # [ 121.936714] ---[ end trace 2596aaebce7b33bf ]--- # EXEC_KMALLOC: saw 'call trace:': ok ok 32 selftests: lkdtm: EXEC_KMALLOC.sh # selftests: lkdtm: EXEC_VMALLOC.sh <6>[ 122.348996] lkdtm: Performing direct entry EXEC_VMALLOC <6>[ 122.354589] lkdtm: attempting ok execution at ffff800010a0aad0 <6>[ 122.360911] lkdtm: attempting bad execution at ffff800013a51000 <1>[ 122.367284] Unable to handle kernel execute from non-executable memory at virtual address ffff800013a51000 <1>[ 122.377285] Mem abort info: <1>[ 122.380353] ESR = 0x8600000f <1>[ 122.383701] EC = 0x21: IABT (current EL), IL = 32 bits <1>[ 122.389308] SET = 0, FnV = 0 <1>[ 122.392635] EA = 0, S1PTW = 0 <1>[ 122.396069] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081db0000 <1>[ 122.403072] [ffff800013a51000] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=00000008809f9003, pte=0068000883c45703 <0>[ 122.415954] Internal error: Oops: 000000008600000f [#8] PREEMPT SMP <4>[ 122.422499] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 122.434253] CPU: 2 PID: 1809 Comm: cat Tainted: G D W 5.10.224-cip52 #1 <4>[ 122.442273] Hardware name: ARM Juno development board (r0) (DT) <4>[ 122.448470] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 122.454757] pc : 0xffff800013a51000 <4>[ 122.458523] lr : execute_location+0x74/0x94 <4>[ 122.462979] sp : ffff80001592bcc0 <4>[ 122.466560] x29: ffff80001592bcc0 x28: ffff000804291880 <4>[ 122.472156] x27: 0000000000000000 x26: 0000000000000000 <4>[ 122.477750] x25: ffff8000114db328 x24: ffff80001592be20 <4>[ 122.483343] x23: 000000000000000d x22: ffff000803c45000 <4>[ 122.488944] x21: 0000000000000001 x20: ffff800010a0aad0 <4>[ 122.494536] x19: ffff800013a51000 x18: 00000000000000af <4>[ 122.500129] x17: 0000000000000000 x16: 0000000000000000 <4>[ 122.505722] x15: 0000000000000000 x14: ffff0008002f0000 <4>[ 122.511314] x13: ffff80096d19f000 x12: 0000000030d4d91d <4>[ 122.516906] x11: 0000000000000000 x10: 0000000000001440 <4>[ 122.522498] x9 : ffff80001012b978 x8 : ffff80001592b900 <4>[ 122.528091] x7 : 000000008018000e x6 : ffff800012575000 <4>[ 122.533683] x5 : ffff800012575c88 x4 : ffff00097ef4cc68 <4>[ 122.539275] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 122.544868] x1 : ffff000804291880 x0 : 0000000000000033 <4>[ 122.550460] Call trace: <4>[ 122.553173] 0xffff800013a51000 <4>[ 122.556585] lkdtm_EXEC_VMALLOC+0x2c/0x4c <4>[ 122.560866] lkdtm_do_action+0x24/0x40 <4>[ 122.564884] direct_entry+0xc8/0x130 <4>[ 122.568730] full_proxy_write+0x68/0xbc <4>[ 122.572836] vfs_write+0xec/0x22c <4>[ 122.576418] ksys_write+0x78/0x110 <4>[ 122.580088] __arm64_sys_write+0x24/0x30 <4>[ 122.584284] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 122.589346] do_el0_svc+0x2c/0xa4 <4>[ 122.592930] el0_svc+0x20/0x30 <4>[ 122.596251] el0_sync_handler+0xe8/0x114 <4>[ 122.600444] el0_sync+0x180/0x1c0 <0>[ 122.604030] Code: bad PC value <4>[ 122.607355] ---[ end trace 2596aaebce7b33c0 ]--- # Segmentation fault # [ 122.348996] lkdtm: Performing direct entry EXEC_VMALLOC # [ 122.354589] lkdtm: attempting ok execution at ffff800010a0aad0 # [ 122.360911] lkdtm: attempting bad execution at ffff800013a51000 # [ 122.367284] Unable to handle kernel execute from non-executable memory at virtual address ffff800013a51000 # [ 122.377285] Mem abort info: # [ 122.380353] ESR = 0x8600000f # [ 122.383701] EC = 0x21: IABT (current EL), IL = 32 bits # [ 122.389308] SET = 0, FnV = 0 # [ 122.392635] EA = 0, S1PTW = 0 # [ 122.396069] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081db0000 # [ 122.403072] [ffff800013a51000] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=00000008809f9003, pte=0068000883c45703 # [ 122.415954] Internal error: Oops: 000000008600000f [#8] PREEMPT SMP # [ 122.422499] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 122.434253] CPU: 2 PID: 1809 Comm: cat Tainted: G D W 5.10.224-cip52 #1 # [ 122.442273] Hardware name: ARM Juno development board (r0) (DT) # [ 122.448470] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 122.454757] pc : 0xffff800013a51000 # [ 122.458523] lr : execute_location+0x74/0x94 # [ 122.462979] sp : ffff80001592bcc0 # [ 122.466560] x29: ffff80001592bcc0 x28: ffff000804291880 # [ 122.472156] x27: 0000000000000000 x26: 0000000000000000 # [ 122.477750] x25: ffff8000114db328 x24: ffff80001592be20 # [ 122.483343] x23: 000000000000000d x22: ffff000803c45000 # [ 122.488944] x21: 0000000000000001 x20: ffff800010a0aad0 # [ 122.494536] x19: ffff800013a51000 x18: 00000000000000af # [ 122.500129] x17: 0000000000000000 x16: 0000000000000000 # [ 122.505722] x15: 0000000000000000 x14: ffff0008002f0000 # [ 122.511314] x13: ffff80096d19f000 x12: 0000000030d4d91d # [ 122.516906] x11: 0000000000000000 x10: 0000000000001440 # [ 122.522498] x9 : ffff80001012b978 x8 : ffff80001592b900 # [ 122.528091] x7 : 000000008018000e x6 : ffff800012575000 # [ 122.533683] x5 : ffff800012575c88 x4 : ffff00097ef4cc68 # [ 122.539275] x3 : 0000000000000000 x2 : 0000000000000000 # [ 122.544868] x1 : ffff000804291880 x0 : 0000000000000033 # [ 122.550460] Call trace: # [ 122.553173] 0xffff800013a51000 # [ 122.556585] lkdtm_EXEC_VMALLOC+0x2c/0x4c # [ 122.560866] lkdtm_do_action+0x24/0x40 # [ 122.564884] direct_entry+0xc8/0x130 # [ 122.568730] full_proxy_write+0x68/0xbc # [ 122.572836] vfs_write+0xec/0x22c # [ 122.576418] ksys_write+0x78/0x110 # [ 122.580088] __arm64_sys_write+0x24/0x30 # [ 122.584284] el0_svc_common.constprop.0+0x84/0x1e0 # [ 122.589346] do_el0_svc+0x2c/0xa4 # [ 122.592930] el0_svc+0x20/0x30 # [ 122.596251] el0_sync_handler+0xe8/0x114 # [ 122.600444] el0_sync+0x180/0x1c0 # [ 122.604030] Code: bad PC value # [ 122.607355] ---[ end trace 2596aaebce7b33c0 ]--- # EXEC_VMALLOC: saw 'call trace:': ok ok 33 selftests: lkdtm: EXEC_VMALLOC.sh # selftests: lkdtm: EXEC_RODATA.sh <6>[ 123.048120] lkdtm: Performing direct entry EXEC_RODATA <6>[ 123.053633] lkdtm: attempting ok execution at ffff800010a0aad0 <6>[ 123.059822] lkdtm: attempting bad execution at ffff8000114db820 <1>[ 123.066174] Unable to handle kernel execute from non-executable memory at virtual address ffff8000114db820 <1>[ 123.076171] Mem abort info: <1>[ 123.079258] ESR = 0x8600000e <1>[ 123.082601] EC = 0x21: IABT (current EL), IL = 32 bits <1>[ 123.088205] SET = 0, FnV = 0 <1>[ 123.091548] EA = 0, S1PTW = 0 <1>[ 123.094987] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081db0000 <1>[ 123.101994] [ffff8000114db820] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=0060000081600781 <0>[ 123.112958] Internal error: Oops: 000000008600000e [#9] PREEMPT SMP <4>[ 123.119500] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 123.131254] CPU: 1 PID: 1852 Comm: cat Tainted: G D W 5.10.224-cip52 #1 <4>[ 123.139279] Hardware name: ARM Juno development board (r0) (DT) <4>[ 123.145476] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 123.151768] pc : lkdtm_rodata_do_nothing+0x0/0x10 <4>[ 123.156752] lr : execute_location+0x74/0x94 <4>[ 123.161203] sp : ffff8000159e3cd0 <4>[ 123.164784] x29: ffff8000159e3cd0 x28: ffff000806c89880 <4>[ 123.170379] x27: 0000000000000000 x26: 0000000000000000 <4>[ 123.175973] x25: ffff8000114db328 x24: ffff8000159e3e20 <4>[ 123.181566] x23: 000000000000000c x22: ffff000804ac7000 <4>[ 123.187159] x21: 0000000000000000 x20: ffff800010a0aad0 <4>[ 123.192752] x19: ffff8000114db820 x18: 0000000000000000 <4>[ 123.198344] x17: 0000000000000002 x16: 0000000000000000 <4>[ 123.203936] x15: 0000000000000003 x14: 000000000000023c <4>[ 123.209529] x13: 0000000000000000 x12: 0000000000000d12 <4>[ 123.215122] x11: 071c71c71c71c71c x10: 0000000000001440 <4>[ 123.220714] x9 : ffff80001012b978 x8 : ffff8000159e3910 <4>[ 123.226307] x7 : 0000000080180017 x6 : ffff800012575000 <4>[ 123.231899] x5 : ffff800012575c88 x4 : ffff00097ef2ac68 <4>[ 123.237491] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 123.243084] x1 : ffff000806c89880 x0 : 0000000000000033 <4>[ 123.248677] Call trace: <4>[ 123.251392] lkdtm_rodata_do_nothing+0x0/0x10 <4>[ 123.256021] lkdtm_EXEC_RODATA+0x24/0x30 <4>[ 123.260216] lkdtm_do_action+0x24/0x40 <4>[ 123.264236] direct_entry+0xc8/0x130 <4>[ 123.268081] full_proxy_write+0x68/0xbc <4>[ 123.272187] vfs_write+0xec/0x22c <4>[ 123.275770] ksys_write+0x78/0x110 <4>[ 123.279439] __arm64_sys_write+0x24/0x30 <4>[ 123.283635] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 123.288698] do_el0_svc+0x2c/0xa4 <4>[ 123.292282] el0_svc+0x20/0x30 <4>[ 123.295603] el0_sync_handler+0xe8/0x114 <4>[ 123.299795] el0_sync+0x180/0x1c0 <0>[ 123.303382] Code: 00000074 00000000 aa55aa55 00000000 (d503233f) <4>[ 123.309753] ---[ end trace 2596aaebce7b33c1 ]--- # Segmentation fault # [ 123.048120] lkdtm: Performing direct entry EXEC_RODATA # [ 123.053633] lkdtm: attempting ok execution at ffff800010a0aad0 # [ 123.059822] lkdtm: attempting bad execution at ffff8000114db820 # [ 123.066174] Unable to handle kernel execute from non-executable memory at virtual address ffff8000114db820 # [ 123.076171] Mem abort info: # [ 123.079258] ESR = 0x8600000e # [ 123.082601] EC = 0x21: IABT (current EL), IL = 32 bits # [ 123.088205] SET = 0, FnV = 0 # [ 123.091548] EA = 0, S1PTW = 0 # [ 123.094987] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081db0000 # [ 123.101994] [ffff8000114db820] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=0060000081600781 # [ 123.112958] Internal error: Oops: 000000008600000e [#9] PREEMPT SMP # [ 123.119500] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 123.131254] CPU: 1 PID: 1852 Comm: cat Tainted: G D W 5.10.224-cip52 #1 # [ 123.139279] Hardware name: ARM Juno development board (r0) (DT) # [ 123.145476] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 123.151768] pc : lkdtm_rodata_do_nothing+0x0/0x10 # [ 123.156752] lr : execute_location+0x74/0x94 # [ 123.161203] sp : ffff8000159e3cd0 # [ 123.164784] x29: ffff8000159e3cd0 x28: ffff000806c89880 # [ 123.170379] x27: 0000000000000000 x26: 0000000000000000 # [ 123.175973] x25: ffff8000114db328 x24: ffff8000159e3e20 # [ 123.181566] x23: 000000000000000c x22: ffff000804ac7000 # [ 123.187159] x21: 0000000000000000 x20: ffff800010a0aad0 # [ 123.192752] x19: ffff8000114db820 x18: 0000000000000000 # [ 123.198344] x17: 0000000000000002 x16: 0000000000000000 # [ 123.203936] x15: 0000000000000003 x14: 000000000000023c # [ 123.209529] x13: 0000000000000000 x12: 0000000000000d12 # [ 123.215122] x11: 071c71c71c71c71c x10: 0000000000001440 # [ 123.220714] x9 : ffff80001012b978 x8 : ffff8000159e3910 # [ 123.226307] x7 : 0000000080180017 x6 : ffff800012575000 # [ 123.231899] x5 : ffff800012575c88 x4 : ffff00097ef2ac68 # [ 123.237491] x3 : 0000000000000000 x2 : 0000000000000000 # [ 123.243084] x1 : ffff000806c89880 x0 : 0000000000000033 # [ 123.248677] Call trace: # [ 123.251392] lkdtm_rodata_do_nothing+0x0/0x10 # [ 123.256021] lkdtm_EXEC_RODATA+0x24/0x30 # [ 123.260216] lkdtm_do_action+0x24/0x40 # [ 123.264236] direct_entry+0xc8/0x130 # [ 123.268081] full_proxy_write+0x68/0xbc # [ 123.272187] vfs_write+0xec/0x22c # [ 123.275770] ksys_write+0x78/0x110 # [ 123.279439] __arm64_sys_write+0x24/0x30 # [ 123.283635] el0_svc_common.constprop.0+0x84/0x1e0 # [ 123.288698] do_el0_svc+0x2c/0xa4 # [ 123.292282] el0_svc+0x20/0x30 # [ 123.295603] el0_sync_handler+0xe8/0x114 # [ 123.299795] el0_sync+0x180/0x1c0 # [ 123.303382] Code: 00000074 00000000 aa55aa55 00000000 (d503233f) # [ 123.309753] ---[ end trace 2596aaebce7b33c1 ]--- # EXEC_RODATA: saw 'call trace:': ok ok 34 selftests: lkdtm: EXEC_RODATA.sh # selftests: lkdtm: EXEC_USERSPACE.sh <6>[ 123.742234] lkdtm: Performing direct entry EXEC_USERSPACE <6>[ 123.747995] lkdtm: attempting ok execution at ffff800010a0aad0 <6>[ 123.754221] lkdtm: attempting bad execution at 0000ffff8d3c8000 <1>[ 123.760481] Unable to handle kernel execution of user memory at virtual address 0000ffff8d3c8000 <1>[ 123.769816] Mem abort info: <1>[ 123.772934] ESR = 0x8600000f <1>[ 123.776262] EC = 0x21: IABT (current EL), IL = 32 bits <1>[ 123.781891] SET = 0, FnV = 0 <1>[ 123.785235] EA = 0, S1PTW = 0 <1>[ 123.788655] user pgtable: 4k pages, 48-bit VAs, pgdp=000000088683b000 <1>[ 123.795395] [0000ffff8d3c8000] pgd=000000088400b003, p4d=000000088400b003, pud=0000000887f32003, pmd=0000000883f0a003, pte=00a800088ce03f43 <0>[ 123.808291] Internal error: Oops: 000000008600000f [#10] PREEMPT SMP <4>[ 123.814925] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 123.826679] CPU: 2 PID: 1895 Comm: cat Tainted: G D W 5.10.224-cip52 #1 <4>[ 123.834705] Hardware name: ARM Juno development board (r0) (DT) <4>[ 123.840900] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 123.847184] pc : 0xffff8d3c8000 <4>[ 123.850598] lr : lkdtm_EXEC_USERSPACE+0xe0/0xf0 <4>[ 123.855400] sp : ffff800015a83cf0 <4>[ 123.858986] x29: ffff800015a83cf0 x28: ffff00080080b100 <4>[ 123.864585] x27: 0000000000000000 x26: 0000000000000000 <4>[ 123.870187] x25: ffff8000114db328 x24: ffff800015a83e20 <4>[ 123.875780] x23: 000000000000000f x22: ffff00080880e000 <4>[ 123.881372] x21: ffff8000119f0dc8 x20: ffff800010a0aad0 <4>[ 123.886965] x19: 0000ffff8d3c8000 x18: 0000000000000006 <4>[ 123.892558] x17: 0000000000000100 x16: 0000000000000000 <4>[ 123.898150] x15: ffff800015a83840 x14: ffff800095a839fa <4>[ 123.903743] x13: ffff800015a83a02 x12: 52819801d2800802 <4>[ 123.909335] x11: a9be7bfdf00085a0 x10: ffff8000125fbfa8 <4>[ 123.914928] x9 : ffff80001012b978 x8 : 00000000ffffefff <4>[ 123.920520] x7 : ffff8000125fbfa8 x6 : ffff800012575000 <4>[ 123.926113] x5 : ffff800012575c88 x4 : ffff00097ef08c68 <4>[ 123.931705] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 123.937298] x1 : ffff00080080b100 x0 : 0000000000000033 <4>[ 123.942890] Call trace: <4>[ 123.945603] 0xffff8d3c8000 <4>[ 123.948666] lkdtm_do_action+0x24/0x40 <4>[ 123.952685] direct_entry+0xc8/0x130 <4>[ 123.956532] full_proxy_write+0x68/0xbc <4>[ 123.960638] vfs_write+0xec/0x22c <4>[ 123.964221] ksys_write+0x78/0x110 <4>[ 123.967892] __arm64_sys_write+0x24/0x30 <4>[ 123.972087] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 123.977151] do_el0_svc+0x2c/0xa4 <4>[ 123.980735] el0_svc+0x20/0x30 <4>[ 123.984057] el0_sync_handler+0xe8/0x114 <4>[ 123.988249] el0_sync+0x180/0x1c0 <0>[ 123.991836] Code: bad PC value <4>[ 123.995161] ---[ end trace 2596aaebce7b33c2 ]--- # Segmentation fault # [ 123.742234] lkdtm: Performing direct entry EXEC_USERSPACE # [ 123.747995] lkdtm: attempting ok execution at ffff800010a0aad0 # [ 123.754221] lkdtm: attempting bad execution at 0000ffff8d3c8000 # [ 123.760481] Unable to handle kernel execution of user memory at virtual address 0000ffff8d3c8000 # [ 123.769816] Mem abort info: # [ 123.772934] ESR = 0x8600000f # [ 123.776262] EC = 0x21: IABT (current EL), IL = 32 bits # [ 123.781891] SET = 0, FnV = 0 # [ 123.785235] EA = 0, S1PTW = 0 # [ 123.788655] user pgtable: 4k pages, 48-bit VAs, pgdp=000000088683b000 # [ 123.795395] [0000ffff8d3c8000] pgd=000000088400b003, p4d=000000088400b003, pud=0000000887f32003, pmd=0000000883f0a003, pte=00a800088ce03f43 # [ 123.808291] Internal error: Oops: 000000008600000f [#10] PREEMPT SMP # [ 123.814925] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 123.826679] CPU: 2 PID: 1895 Comm: cat Tainted: G D W 5.10.224-cip52 #1 # [ 123.834705] Hardware name: ARM Juno development board (r0) (DT) # [ 123.840900] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 123.847184] pc : 0xffff8d3c8000 # [ 123.850598] lr : lkdtm_EXEC_USERSPACE+0xe0/0xf0 # [ 123.855400] sp : ffff800015a83cf0 # [ 123.858986] x29: ffff800015a83cf0 x28: ffff00080080b100 # [ 123.864585] x27: 0000000000000000 x26: 0000000000000000 # [ 123.870187] x25: ffff8000114db328 x24: ffff800015a83e20 # [ 123.875780] x23: 000000000000000f x22: ffff00080880e000 # [ 123.881372] x21: ffff8000119f0dc8 x20: ffff800010a0aad0 # [ 123.886965] x19: 0000ffff8d3c8000 x18: 0000000000000006 # [ 123.892558] x17: 0000000000000100 x16: 0000000000000000 # [ 123.898150] x15: ffff800015a83840 x14: ffff800095a839fa # [ 123.903743] x13: ffff800015a83a02 x12: 52819801d2800802 # [ 123.909335] x11: a9be7bfdf00085a0 x10: ffff8000125fbfa8 # [ 123.914928] x9 : ffff80001012b978 x8 : 00000000ffffefff # [ 123.920520] x7 : ffff8000125fbfa8 x6 : ffff800012575000 # [ 123.926113] x5 : ffff800012575c88 x4 : ffff00097ef08c68 # [ 123.931705] x3 : 0000000000000000 x2 : 0000000000000000 # [ 123.937298] x1 : ffff00080080b100 x0 : 0000000000000033 # [ 123.942890] Call trace: # [ 123.945603] 0xffff8d3c8000 # [ 123.948666] lkdtm_do_action+0x24/0x40 # [ 123.952685] direct_entry+0xc8/0x130 # [ 123.956532] full_proxy_write+0x68/0xbc # [ 123.960638] vfs_write+0xec/0x22c # [ 123.964221] ksys_write+0x78/0x110 # [ 123.967892] __arm64_sys_write+0x24/0x30 # [ 123.972087] el0_svc_common.constprop.0+0x84/0x1e0 # [ 123.977151] do_el0_svc+0x2c/0xa4 # [ 123.980735] el0_svc+0x20/0x30 # [ 123.984057] el0_sync_handler+0xe8/0x114 # [ 123.988249] el0_sync+0x180/0x1c0 # [ 123.991836] Code: bad PC value # [ 123.995161] ---[ end trace 2596aaebce7b33c2 ]--- # EXEC_USERSPACE: saw 'call trace:': ok ok 35 selftests: lkdtm: EXEC_USERSPACE.sh # selftests: lkdtm: EXEC_NULL.sh <6>[ 124.439374] lkdtm: Performing direct entry EXEC_NULL <6>[ 124.444700] lkdtm: attempting ok execution at ffff800010a0aad0 <6>[ 124.450934] lkdtm: attempting bad execution at 0000000000000000 <1>[ 124.457220] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000 <1>[ 124.466562] Mem abort info: <1>[ 124.469696] ESR = 0x86000004 <1>[ 124.473055] EC = 0x21: IABT (current EL), IL = 32 bits <1>[ 124.478660] SET = 0, FnV = 0 <1>[ 124.482002] EA = 0, S1PTW = 0 <1>[ 124.485435] user pgtable: 4k pages, 48-bit VAs, pgdp=0000000884a8f000 <1>[ 124.492177] [0000000000000000] pgd=0000000000000000, p4d=0000000000000000 <0>[ 124.499284] Internal error: Oops: 0000000086000004 [#11] PREEMPT SMP <4>[ 124.505916] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 124.517672] CPU: 2 PID: 1938 Comm: cat Tainted: G D W 5.10.224-cip52 #1 <4>[ 124.525695] Hardware name: ARM Juno development board (r0) (DT) <4>[ 124.531892] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 124.538178] pc : 0x0 <4>[ 124.540637] lr : execute_location+0x74/0x94 <4>[ 124.545090] sp : ffff800015b13cd0 <4>[ 124.548675] x29: ffff800015b13cd0 x28: ffff000807cb1880 <4>[ 124.554269] x27: 0000000000000000 x26: 0000000000000000 <4>[ 124.559862] x25: ffff8000114db328 x24: ffff800015b13e20 <4>[ 124.565455] x23: 000000000000000a x22: ffff000803c07000 <4>[ 124.571047] x21: 0000000000000000 x20: ffff800010a0aad0 <4>[ 124.576640] x19: 0000000000000000 x18: 0000000000000006 <4>[ 124.582232] x17: 0000000000000100 x16: 0000000000000000 <4>[ 124.587825] x15: ffff800015b13820 x14: ffff800095b139da <4>[ 124.593417] x13: ffff800015b139e2 x12: 0000000000000010 <4>[ 124.599009] x11: 0000000000000008 x10: ffff8000125fbfa8 <4>[ 124.604601] x9 : ffff80001012b978 x8 : 00000000ffffefff <4>[ 124.610194] x7 : ffff8000125fbfa8 x6 : ffff800012575000 <4>[ 124.615786] x5 : ffff800012575c88 x4 : ffff00097ef90c68 <4>[ 124.621378] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 124.626971] x1 : ffff000807cb1880 x0 : 0000000000000033 <4>[ 124.632563] Call trace: <4>[ 124.635276] 0x0 <4>[ 124.637382] lkdtm_EXEC_NULL+0x20/0x2c <4>[ 124.641403] lkdtm_do_action+0x24/0x40 <4>[ 124.645422] direct_entry+0xc8/0x130 <4>[ 124.649267] full_proxy_write+0x68/0xbc <4>[ 124.653373] vfs_write+0xec/0x22c <4>[ 124.656956] ksys_write+0x78/0x110 <4>[ 124.660626] __arm64_sys_write+0x24/0x30 <4>[ 124.664821] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 124.669884] do_el0_svc+0x2c/0xa4 <4>[ 124.673467] el0_svc+0x20/0x30 <4>[ 124.676789] el0_sync_handler+0xe8/0x114 <4>[ 124.680982] el0_sync+0x180/0x1c0 <0>[ 124.684570] Code: bad PC value <4>[ 124.687894] ---[ end trace 2596aaebce7b33c3 ]--- # Segmentation fault # [ 124.439374] lkdtm: Performing direct entry EXEC_NULL # [ 124.444700] lkdtm: attempting ok execution at ffff800010a0aad0 # [ 124.450934] lkdtm: attempting bad execution at 0000000000000000 # [ 124.457220] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000 # [ 124.466562] Mem abort info: # [ 124.469696] ESR = 0x86000004 # [ 124.473055] EC = 0x21: IABT (current EL), IL = 32 bits # [ 124.478660] SET = 0, FnV = 0 # [ 124.482002] EA = 0, S1PTW = 0 # [ 124.485435] user pgtable: 4k pages, 48-bit VAs, pgdp=0000000884a8f000 # [ 124.492177] [0000000000000000] pgd=0000000000000000, p4d=0000000000000000 # [ 124.499284] Internal error: Oops: 0000000086000004 [#11] PREEMPT SMP # [ 124.505916] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 124.517672] CPU: 2 PID: 1938 Comm: cat Tainted: G D W 5.10.224-cip52 #1 # [ 124.525695] Hardware name: ARM Juno development board (r0) (DT) # [ 124.531892] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 124.538178] pc : 0x0 # [ 124.540637] lr : execute_location+0x74/0x94 # [ 124.545090] sp : ffff800015b13cd0 # [ 124.548675] x29: ffff800015b13cd0 x28: ffff000807cb1880 # [ 124.554269] x27: 0000000000000000 x26: 0000000000000000 # [ 124.559862] x25: ffff8000114db328 x24: ffff800015b13e20 # [ 124.565455] x23: 000000000000000a x22: ffff000803c07000 # [ 124.571047] x21: 0000000000000000 x20: ffff800010a0aad0 # [ 124.576640] x19: 0000000000000000 x18: 0000000000000006 # [ 124.582232] x17: 0000000000000100 x16: 0000000000000000 # [ 124.587825] x15: ffff800015b13820 x14: ffff800095b139da # [ 124.593417] x13: ffff800015b139e2 x12: 0000000000000010 # [ 124.599009] x11: 0000000000000008 x10: ffff8000125fbfa8 # [ 124.604601] x9 : ffff80001012b978 x8 : 00000000ffffefff # [ 124.610194] x7 : ffff8000125fbfa8 x6 : ffff800012575000 # [ 124.615786] x5 : ffff800012575c88 x4 : ffff00097ef90c68 # [ 124.621378] x3 : 0000000000000000 x2 : 0000000000000000 # [ 124.626971] x1 : ffff000807cb1880 x0 : 0000000000000033 # [ 124.632563] Call trace: # [ 124.635276] 0x0 # [ 124.637382] lkdtm_EXEC_NULL+0x20/0x2c # [ 124.641403] lkdtm_do_action+0x24/0x40 # [ 124.645422] direct_entry+0xc8/0x130 # [ 124.649267] full_proxy_write+0x68/0xbc # [ 124.653373] vfs_write+0xec/0x22c # [ 124.656956] ksys_write+0x78/0x110 # [ 124.660626] __arm64_sys_write+0x24/0x30 # [ 124.664821] el0_svc_common.constprop.0+0x84/0x1e0 # [ 124.669884] do_el0_svc+0x2c/0xa4 # [ 124.673467] el0_svc+0x20/0x30 # [ 124.676789] el0_sync_handler+0xe8/0x114 # [ 124.680982] el0_sync+0x180/0x1c0 # [ 124.684570] Code: bad PC value # [ 124.687894] ---[ end trace 2596aaebce7b33c3 ]--- # EXEC_NULL: saw 'call trace:': ok ok 36 selftests: lkdtm: EXEC_NULL.sh # selftests: lkdtm: ACCESS_USERSPACE.sh <6>[ 125.119817] lkdtm: Performing direct entry ACCESS_USERSPACE <6>[ 125.125820] lkdtm: attempting bad read at 0000ffff9c04b000 <3>[ 125.131643] lkdtm: FAIL: survived bad read <6>[ 125.136062] lkdtm: attempting bad write at 0000ffff9c04b000 <3>[ 125.142030] lkdtm: FAIL: survived bad write # [ 125.119817] lkdtm: Performing direct entry ACCESS_USERSPACE # [ 125.125820] lkdtm: attempting bad read at 0000ffff9c04b000 # [ 125.131643] lkdtm: FAIL: survived bad read # [ 125.136062] lkdtm: attempting bad write at 0000ffff9c04b000 # [ 125.142030] 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>[ 125.578830] lkdtm: Performing direct entry ACCESS_NULL <6>[ 125.584316] lkdtm: attempting bad read at 0000000000000000 <1>[ 125.590286] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000 <1>[ 125.599429] Mem abort info: <1>[ 125.602623] ESR = 0x96000004 <1>[ 125.606227] EC = 0x25: DABT (current EL), IL = 32 bits <1>[ 125.611853] SET = 0, FnV = 0 <1>[ 125.615196] EA = 0, S1PTW = 0 <1>[ 125.618623] Data abort info: <1>[ 125.621791] ISV = 0, ISS = 0x00000004 <1>[ 125.625917] CM = 0, WnR = 0 <1>[ 125.629178] user pgtable: 4k pages, 48-bit VAs, pgdp=00000008869f6000 <1>[ 125.635925] [0000000000000000] pgd=0000000000000000, p4d=0000000000000000 <0>[ 125.643038] Internal error: Oops: 0000000096000004 [#12] PREEMPT SMP <4>[ 125.649670] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 125.661424] CPU: 2 PID: 2016 Comm: cat Tainted: G D W 5.10.224-cip52 #1 <4>[ 125.669447] Hardware name: ARM Juno development board (r0) (DT) <4>[ 125.675643] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 125.681930] pc : lkdtm_ACCESS_NULL+0x2c/0x78 <4>[ 125.686471] lr : lkdtm_ACCESS_NULL+0x2c/0x78 <4>[ 125.691012] sp : ffff800015c53cf0 <4>[ 125.694601] x29: ffff800015c53cf0 x28: ffff000804293100 <4>[ 125.700201] x27: 0000000000000000 x26: 0000000000000000 <4>[ 125.705796] x25: ffff8000114db328 x24: ffff800015c53e20 <4>[ 125.711392] x23: 000000000000000c x22: ffff00080499e000 <4>[ 125.716987] x21: ffff8000119f0e00 x20: 0000000000000000 <4>[ 125.722580] x19: ffff8000114db5a8 x18: 0000000000000006 <4>[ 125.728172] x17: 0000000000000100 x16: 0000000000000000 <4>[ 125.733765] x15: ffff800015c53840 x14: ffff800095c539fa <4>[ 125.739357] x13: ffff800015c53a02 x12: 0000000000000020 <4>[ 125.744950] x11: 0000000000000018 x10: 0000000000001440 <4>[ 125.750543] x9 : ffff80001012b978 x8 : ffff0008042945a0 <4>[ 125.756136] x7 : 0000000000000003 x6 : ffff800012575000 <4>[ 125.761729] x5 : ffff800012575c88 x4 : ffff00097ef6ec68 <4>[ 125.767321] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 125.772913] x1 : ffff000804293100 x0 : 000000000000002e <4>[ 125.778506] Call trace: <4>[ 125.781220] lkdtm_ACCESS_NULL+0x2c/0x78 <4>[ 125.785417] lkdtm_do_action+0x24/0x40 <4>[ 125.789437] direct_entry+0xc8/0x130 <4>[ 125.793282] full_proxy_write+0x68/0xbc <4>[ 125.797389] vfs_write+0xec/0x22c <4>[ 125.800972] ksys_write+0x78/0x110 <4>[ 125.804642] __arm64_sys_write+0x24/0x30 <4>[ 125.808838] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 125.813901] do_el0_svc+0x2c/0xa4 <4>[ 125.817484] el0_svc+0x20/0x30 <4>[ 125.820806] el0_sync_handler+0xe8/0x114 <4>[ 125.824998] el0_sync+0x180/0x1c0 <0>[ 125.828585] Code: d2800014 90003e60 9139c000 97ffdf15 (f9400293) <4>[ 125.834956] ---[ end trace 2596aaebce7b33c4 ]--- # Segmentation fault # [ 125.578830] lkdtm: Performing direct entry ACCESS_NULL # [ 125.584316] lkdtm: attempting bad read at 0000000000000000 # [ 125.590286] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000 # [ 125.599429] Mem abort info: # [ 125.602623] ESR = 0x96000004 # [ 125.606227] EC = 0x25: DABT (current EL), IL = 32 bits # [ 125.611853] SET = 0, FnV = 0 # [ 125.615196] EA = 0, S1PTW = 0 # [ 125.618623] Data abort info: # [ 125.621791] ISV = 0, ISS = 0x00000004 # [ 125.625917] CM = 0, WnR = 0 # [ 125.629178] user pgtable: 4k pages, 48-bit VAs, pgdp=00000008869f6000 # [ 125.635925] [0000000000000000] pgd=0000000000000000, p4d=0000000000000000 # [ 125.643038] Internal error: Oops: 0000000096000004 [#12] PREEMPT SMP # [ 125.649670] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 125.661424] CPU: 2 PID: 2016 Comm: cat Tainted: G D W 5.10.224-cip52 #1 # [ 125.669447] Hardware name: ARM Juno development board (r0) (DT) # [ 125.675643] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 125.681930] pc : lkdtm_ACCESS_NULL+0x2c/0x78 # [ 125.686471] lr : lkdtm_ACCESS_NULL+0x2c/0x78 # [ 125.691012] sp : ffff800015c53cf0 # [ 125.694601] x29: ffff800015c53cf0 x28: ffff000804293100 # [ 125.700201] x27: 0000000000000000 x26: 0000000000000000 # [ 125.705796] x25: ffff8000114db328 x24: ffff800015c53e20 # [ 125.711392] x23: 000000000000000c x22: ffff00080499e000 # [ 125.716987] x21: ffff8000119f0e00 x20: 0000000000000000 # [ 125.722580] x19: ffff8000114db5a8 x18: 0000000000000006 # [ 125.728172] x17: 0000000000000100 x16: 0000000000000000 # [ 125.733765] x15: ffff800015c53840 x14: ffff800095c539fa # [ 125.739357] x13: ffff800015c53a02 x12: 0000000000000020 # [ 125.744950] x11: 0000000000000018 x10: 0000000000001440 # [ 125.750543] x9 : ffff80001012b978 x8 : ffff0008042945a0 # [ 125.756136] x7 : 0000000000000003 x6 : ffff800012575000 # [ 125.761729] x5 : ffff800012575c88 x4 : ffff00097ef6ec68 # [ 125.767321] x3 : 0000000000000000 x2 : 0000000000000000 # [ 125.772913] x1 : ffff000804293100 x0 : 000000000000002e # [ 125.778506] Call trace: # [ 125.781220] lkdtm_ACCESS_NULL+0x2c/0x78 # [ 125.785417] lkdtm_do_action+0x24/0x40 # [ 125.789437] direct_entry+0xc8/0x130 # [ 125.793282] full_proxy_write+0x68/0xbc # [ 125.797389] vfs_write+0xec/0x22c # [ 125.800972] ksys_write+0x78/0x110 # [ 125.804642] __arm64_sys_write+0x24/0x30 # [ 125.808838] el0_svc_common.constprop.0+0x84/0x1e0 # [ 125.813901] do_el0_svc+0x2c/0xa4 # [ 125.817484] el0_svc+0x20/0x30 # [ 125.820806] el0_sync_handler+0xe8/0x114 # [ 125.824998] el0_sync+0x180/0x1c0 # [ 125.828585] Code: d2800014 90003e60 9139c000 97ffdf15 (f9400293) # [ 125.834956] ---[ end trace 2596aaebce7b33c4 ]--- # ACCESS_NULL: saw 'call trace:': ok ok 38 selftests: lkdtm: ACCESS_NULL.sh # selftests: lkdtm: WRITE_RO.sh <6>[ 126.322351] lkdtm: Performing direct entry WRITE_RO <6>[ 126.327563] lkdtm: attempting bad rodata write at ffff8000114db818 <1>[ 126.334096] Unable to handle kernel write to read-only memory at virtual address ffff8000114db818 <1>[ 126.347958] Mem abort info: <1>[ 126.351288] ESR = 0x9600004e <1>[ 126.354763] EC = 0x25: DABT (current EL), IL = 32 bits <1>[ 126.360412] SET = 0, FnV = 0 <1>[ 126.363834] EA = 0, S1PTW = 0 <1>[ 126.367276] Data abort info: <1>[ 126.370478] ISV = 0, ISS = 0x0000004e <1>[ 126.374607] CM = 0, WnR = 1 <1>[ 126.377867] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081db0000 <1>[ 126.384872] [ffff8000114db818] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=0060000081600781 <0>[ 126.395832] Internal error: Oops: 000000009600004e [#13] PREEMPT SMP <4>[ 126.402463] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 126.414223] CPU: 1 PID: 2062 Comm: cat Tainted: G D W 5.10.224-cip52 #1 <4>[ 126.422247] Hardware name: ARM Juno development board (r0) (DT) <4>[ 126.428442] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 126.434733] pc : lkdtm_WRITE_RO+0x44/0x5c <4>[ 126.439018] lr : lkdtm_WRITE_RO+0x2c/0x5c <4>[ 126.443297] sp : ffff800015d03cf0 <4>[ 126.446883] x29: ffff800015d03cf0 x28: ffff000800c1e200 <4>[ 126.452478] x27: 0000000000000000 x26: 0000000000000000 <4>[ 126.458074] x25: ffff8000114db328 x24: ffff800015d03e20 <4>[ 126.463667] x23: 0000000000000009 x22: ffff0008039a2000 <4>[ 126.469263] x21: ffff8000119f0e10 x20: 0000000000000028 <4>[ 126.474861] x19: ffff8000114db000 x18: 0000000000000006 <4>[ 126.480454] x17: 0000000000000100 x16: 0000000000000000 <4>[ 126.486047] x15: ffff800015d03840 x14: ffff800095d039fa <4>[ 126.491639] x13: ffff800015d03a02 x12: 0000000000000008 <4>[ 126.497232] x11: 0000000000000000 x10: ffff8000125fbfa8 <4>[ 126.502824] x9 : ffff80001012b978 x8 : 00000000ffffefff <4>[ 126.508417] x7 : ffff8000125fbfa8 x6 : ffff800012575000 <4>[ 126.514009] x5 : ffff800012575c88 x4 : ffff00097ef08c68 <4>[ 126.519602] x3 : 0000000000000000 x2 : 00000000abcd1234 <4>[ 126.525194] x1 : 000000000198b861 x0 : ffff8000119f1d60 <4>[ 126.530787] Call trace: <4>[ 126.533502] lkdtm_WRITE_RO+0x44/0x5c <4>[ 126.537438] lkdtm_do_action+0x24/0x40 <4>[ 126.541457] direct_entry+0xc8/0x130 <4>[ 126.545303] full_proxy_write+0x68/0xbc <4>[ 126.549409] vfs_write+0xec/0x22c <4>[ 126.552992] ksys_write+0x78/0x110 <4>[ 126.556662] __arm64_sys_write+0x24/0x30 <4>[ 126.560857] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 126.565920] do_el0_svc+0x2c/0xa4 <4>[ 126.569504] el0_svc+0x20/0x30 <4>[ 126.572826] el0_sync_handler+0xe8/0x114 <4>[ 126.577019] el0_sync+0x180/0x1c0 <0>[ 126.580606] Code: f2b579a2 90003e60 ca020021 91358000 (f9040e61) <4>[ 126.586979] ---[ end trace 2596aaebce7b33c5 ]--- # Segmentation fault # [ 126.322351] lkdtm: Performing direct entry WRITE_RO # [ 126.327563] lkdtm: attempting bad rodata write at ffff8000114db818 # [ 126.334096] Unable to handle kernel write to read-only memory at virtual address ffff8000114db818 # [ 126.347958] Mem abort info: # [ 126.351288] ESR = 0x9600004e # [ 126.354763] EC = 0x25: DABT (current EL), IL = 32 bits # [ 126.360412] SET = 0, FnV = 0 # [ 126.363834] EA = 0, S1PTW = 0 # [ 126.367276] Data abort info: # [ 126.370478] ISV = 0, ISS = 0x0000004e # [ 126.374607] CM = 0, WnR = 1 # [ 126.377867] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081db0000 # [ 126.384872] [ffff8000114db818] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=0060000081600781 # [ 126.395832] Internal error: Oops: 000000009600004e [#13] PREEMPT SMP # [ 126.402463] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 126.414223] CPU: 1 PID: 2062 Comm: cat Tainted: G D W 5.10.224-cip52 #1 # [ 126.422247] Hardware name: ARM Juno development board (r0) (DT) # [ 126.428442] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 126.434733] pc : lkdtm_WRITE_RO+0x44/0x5c # [ 126.439018] lr : lkdtm_WRITE_RO+0x2c/0x5c # [ 126.443297] sp : ffff800015d03cf0 # [ 126.446883] x29: ffff800015d03cf0 x28: ffff000800c1e200 # [ 126.452478] x27: 0000000000000000 x26: 0000000000000000 # [ 126.458074] x25: ffff8000114db328 x24: ffff800015d03e20 # [ 126.463667] x23: 0000000000000009 x22: ffff0008039a2000 # [ 126.469263] x21: ffff8000119f0e10 x20: 0000000000000028 # [ 126.474861] x19: ffff8000114db000 x18: 0000000000000006 # [ 126.480454] x17: 0000000000000100 x16: 0000000000000000 # [ 126.486047] x15: ffff800015d03840 x14: ffff800095d039fa # [ 126.491639] x13: ffff800015d03a02 x12: 0000000000000008 # [ 126.497232] x11: 0000000000000000 x10: ffff8000125fbfa8 # [ 126.502824] x9 : ffff80001012b978 x8 : 00000000ffffefff # [ 126.508417] x7 : ffff8000125fbfa8 x6 : ffff800012575000 # [ 126.514009] x5 : ffff800012575c88 x4 : ffff00097ef08c68 # [ 126.519602] x3 : 0000000000000000 x2 : 00000000abcd1234 # [ 126.525194] x1 : 000000000198b861 x0 : ffff8000119f1d60 # [ 126.530787] Call trace: # [ 126.533502] lkdtm_WRITE_RO+0x44/0x5c # [ 126.537438] lkdtm_do_action+0x24/0x40 # [ 126.541457] direct_entry+0xc8/0x130 # [ 126.545303] full_proxy_write+0x68/0xbc # [ 126.549409] vfs_write+0xec/0x22c # [ 126.552992] ksys_write+0x78/0x110 # [ 126.556662] __arm64_sys_write+0x24/0x30 # [ 126.560857] el0_svc_common.constprop.0+0x84/0x1e0 # [ 126.565920] do_el0_svc+0x2c/0xa4 # [ 126.569504] el0_svc+0x20/0x30 # [ 126.572826] el0_sync_handler+0xe8/0x114 # [ 126.577019] el0_sync+0x180/0x1c0 # [ 126.580606] Code: f2b579a2 90003e60 ca020021 91358000 (f9040e61) # [ 126.586979] ---[ end trace 2596aaebce7b33c5 ]--- # WRITE_RO: saw 'call trace:': ok ok 39 selftests: lkdtm: WRITE_RO.sh # selftests: lkdtm: WRITE_RO_AFTER_INIT.sh <6>[ 127.058850] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT <6>[ 127.065025] lkdtm: attempting bad ro_after_init write at ffff800011ac3b40 <1>[ 127.072169] Unable to handle kernel write to read-only memory at virtual address ffff800011ac3b40 <1>[ 127.081473] Mem abort info: <1>[ 127.084690] ESR = 0x9600004f <1>[ 127.088071] EC = 0x25: DABT (current EL), IL = 32 bits <1>[ 127.093678] SET = 0, FnV = 0 <1>[ 127.097021] EA = 0, S1PTW = 0 <1>[ 127.100435] Data abort info: <1>[ 127.103603] ISV = 0, ISS = 0x0000004f <1>[ 127.107731] CM = 0, WnR = 1 <1>[ 127.110987] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081db0000 <1>[ 127.117986] [ffff800011ac3b40] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=00000009ffffc003, pte=0060000081cc3783 <0>[ 127.130871] Internal error: Oops: 000000009600004f [#14] PREEMPT SMP <4>[ 127.137507] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 127.149264] CPU: 2 PID: 2108 Comm: cat Tainted: G D W 5.10.224-cip52 #1 <4>[ 127.157288] Hardware name: ARM Juno development board (r0) (DT) <4>[ 127.163486] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 127.169778] pc : lkdtm_WRITE_RO_AFTER_INIT+0x68/0x80 <4>[ 127.175016] lr : lkdtm_WRITE_RO_AFTER_INIT+0x50/0x80 <4>[ 127.180253] sp : ffff800015dabcf0 <4>[ 127.183839] x29: ffff800015dabcf0 x28: ffff00080762e200 <4>[ 127.189435] x27: 0000000000000000 x26: 0000000000000000 <4>[ 127.195029] x25: ffff8000114db328 x24: ffff800015dabe20 <4>[ 127.200622] x23: 0000000000000014 x22: ffff00080477d000 <4>[ 127.206220] x21: ffff8000119f0e20 x20: 0000000000000029 <4>[ 127.211814] x19: ffff800011ac3000 x18: 0000000000000006 <4>[ 127.217412] x17: 0000000000000100 x16: 0000000000000000 <4>[ 127.223004] x15: ffff800015dab840 x14: ffff800095dab9fa <4>[ 127.228597] x13: ffff800015daba03 x12: 0000000000000020 <4>[ 127.234188] x11: 0000000000000018 x10: ffff8000125fbfa8 <4>[ 127.239781] x9 : ffff80001012b978 x8 : 00000000ffffefff <4>[ 127.245373] x7 : ffff8000125fbfa8 x6 : ffff800012575000 <4>[ 127.250965] x5 : ffff800012575c88 x4 : ffff00097efb2c68 <4>[ 127.256557] x3 : 0000000000000000 x2 : 00000000abcd1234 <4>[ 127.262150] x1 : 00000000fe67479e x0 : ffff8000119f1d60 <4>[ 127.267743] Call trace: <4>[ 127.270458] lkdtm_WRITE_RO_AFTER_INIT+0x68/0x80 <4>[ 127.275350] lkdtm_do_action+0x24/0x40 <4>[ 127.279369] direct_entry+0xc8/0x130 <4>[ 127.283215] full_proxy_write+0x68/0xbc <4>[ 127.287321] vfs_write+0xec/0x22c <4>[ 127.290903] ksys_write+0x78/0x110 <4>[ 127.294573] __arm64_sys_write+0x24/0x30 <4>[ 127.298768] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 127.303832] do_el0_svc+0x2c/0xa4 <4>[ 127.307415] el0_svc+0x20/0x30 <4>[ 127.310737] el0_sync_handler+0xe8/0x114 <4>[ 127.314928] el0_sync+0x180/0x1c0 <0>[ 127.318515] Code: f2b579a2 90003e60 ca020021 91358000 (f905a261) <4>[ 127.324885] ---[ end trace 2596aaebce7b33c6 ]--- # Segmentation fault # [ 127.058850] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT # [ 127.065025] lkdtm: attempting bad ro_after_init write at ffff800011ac3b40 # [ 127.072169] Unable to handle kernel write to read-only memory at virtual address ffff800011ac3b40 # [ 127.081473] Mem abort info: # [ 127.084690] ESR = 0x9600004f # [ 127.088071] EC = 0x25: DABT (current EL), IL = 32 bits # [ 127.093678] SET = 0, FnV = 0 # [ 127.097021] EA = 0, S1PTW = 0 # [ 127.100435] Data abort info: # [ 127.103603] ISV = 0, ISS = 0x0000004f # [ 127.107731] CM = 0, WnR = 1 # [ 127.110987] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081db0000 # [ 127.117986] [ffff800011ac3b40] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=00000009ffffc003, pte=0060000081cc3783 # [ 127.130871] Internal error: Oops: 000000009600004f [#14] PREEMPT SMP # [ 127.137507] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 127.149264] CPU: 2 PID: 2108 Comm: cat Tainted: G D W 5.10.224-cip52 #1 # [ 127.157288] Hardware name: ARM Juno development board (r0) (DT) # [ 127.163486] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 127.169778] pc : lkdtm_WRITE_RO_AFTER_INIT+0x68/0x80 # [ 127.175016] lr : lkdtm_WRITE_RO_AFTER_INIT+0x50/0x80 # [ 127.180253] sp : ffff800015dabcf0 # [ 127.183839] x29: ffff800015dabcf0 x28: ffff00080762e200 # [ 127.189435] x27: 0000000000000000 x26: 0000000000000000 # [ 127.195029] x25: ffff8000114db328 x24: ffff800015dabe20 # [ 127.200622] x23: 0000000000000014 x22: ffff00080477d000 # [ 127.206220] x21: ffff8000119f0e20 x20: 0000000000000029 # [ 127.211814] x19: ffff800011ac3000 x18: 0000000000000006 # [ 127.217412] x17: 0000000000000100 x16: 0000000000000000 # [ 127.223004] x15: ffff800015dab840 x14: ffff800095dab9fa # [ 127.228597] x13: ffff800015daba03 x12: 0000000000000020 # [ 127.234188] x11: 0000000000000018 x10: ffff8000125fbfa8 # [ 127.239781] x9 : ffff80001012b978 x8 : 00000000ffffefff # [ 127.245373] x7 : ffff8000125fbfa8 x6 : ffff800012575000 # [ 127.250965] x5 : ffff800012575c88 x4 : ffff00097efb2c68 # [ 127.256557] x3 : 0000000000000000 x2 : 00000000abcd1234 # [ 127.262150] x1 : 00000000fe67479e x0 : ffff8000119f1d60 # [ 127.267743] Call trace: # [ 127.270458] lkdtm_WRITE_RO_AFTER_INIT+0x68/0x80 # [ 127.275350] lkdtm_do_action+0x24/0x40 # [ 127.279369] direct_entry+0xc8/0x130 # [ 127.283215] full_proxy_write+0x68/0xbc # [ 127.287321] vfs_write+0xec/0x22c # [ 127.290903] ksys_write+0x78/0x110 # [ 127.294573] __arm64_sys_write+0x24/0x30 # [ 127.298768] el0_svc_common.constprop.0+0x84/0x1e0 # [ 127.303832] do_el0_svc+0x2c/0xa4 # [ 127.307415] el0_svc+0x20/0x30 # [ 127.310737] el0_sync_handler+0xe8/0x114 # [ 127.314928] el0_sync+0x180/0x1c0 # [ 127.318515] Code: f2b579a2 90003e60 ca020021 91358000 (f905a261) # [ 127.324885] ---[ end trace 2596aaebce7b33c6 ]--- # WRITE_RO_AFTER_INIT: saw 'call trace:': ok ok 40 selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # selftests: lkdtm: WRITE_KERN.sh <6>[ 127.796148] lkdtm: Performing direct entry WRITE_KERN <6>[ 127.801561] lkdtm: attempting bad 8497532 byte write at ffff80001122544c <1>[ 127.808623] Unable to handle kernel write to read-only memory at virtual address ffff80001122544c <1>[ 127.817902] Mem abort info: <1>[ 127.821220] ESR = 0x9600004f <1>[ 127.824559] EC = 0x25: DABT (current EL), IL = 32 bits <1>[ 127.830197] SET = 0, FnV = 0 <1>[ 127.833551] EA = 0, S1PTW = 0 <1>[ 127.836980] Data abort info: <1>[ 127.840134] ISV = 0, ISS = 0x0000004f <1>[ 127.844266] CM = 0, WnR = 1 <1>[ 127.847521] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081db0000 <1>[ 127.854520] [ffff80001122544c] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=00000009ffffd003, pte=0050000081425783 <0>[ 127.867404] Internal error: Oops: 000000009600004f [#15] PREEMPT SMP <4>[ 127.874033] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 127.885785] CPU: 1 PID: 2154 Comm: cat Tainted: G D W 5.10.224-cip52 #1 <4>[ 127.893808] Hardware name: ARM Juno development board (r0) (DT) <4>[ 127.900010] pstate: 20000005 (nzCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 127.906302] pc : __memcpy+0x110/0x180 <4>[ 127.910237] lr : lkdtm_WRITE_KERN+0x54/0x88 <4>[ 127.914688] sp : ffff800015e6bce0 <4>[ 127.918271] x29: ffff800015e6bce0 x28: ffff000806c89880 <4>[ 127.923865] x27: 0000000000000000 x26: 0000000000000000 <4>[ 127.929462] x25: ffff8000114db328 x24: ffff800015e6be20 <4>[ 127.935062] x23: 000000000000000b x22: ffff00080597c000 <4>[ 127.940656] x21: 000000000081a97c x20: ffff800010a0aad0 <4>[ 127.946248] x19: ffff80001122544c x18: 0000000000000006 <4>[ 127.951841] x17: 0000000000000100 x16: 0000000000000000 <4>[ 127.957434] x15: ffff800015e6b830 x14: 97e4e966f9000bf3 <4>[ 127.963027] x13: f9428c00910003fd x12: 52819801d2800802 <4>[ 127.968619] x11: a9be7bfdf00085a0 x10: d503233fd503201f <4>[ 127.974212] x9 : aa1e03e9d65f03c0 x8 : d50323bfd503233f <4>[ 127.979804] x7 : d503201faa1e03e9 x6 : ffff80001122544c <4>[ 127.985396] x5 : ffff800012575c88 x4 : 0000000000000000 <4>[ 127.990989] x3 : 0000000000000000 x2 : 000000000081a8fc <4>[ 127.996581] x1 : ffff800010a0ab10 x0 : ffff80001122544c <4>[ 128.002174] Call trace: <4>[ 128.004891] __memcpy+0x110/0x180 <4>[ 128.008478] lkdtm_do_action+0x24/0x40 <4>[ 128.012497] direct_entry+0xc8/0x130 <4>[ 128.016343] full_proxy_write+0x68/0xbc <4>[ 128.020449] vfs_write+0xec/0x22c <4>[ 128.024032] ksys_write+0x78/0x110 <4>[ 128.027703] __arm64_sys_write+0x24/0x30 <4>[ 128.031898] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 128.036961] do_el0_svc+0x2c/0xa4 <4>[ 128.040544] el0_svc+0x20/0x30 <4>[ 128.043867] el0_sync_handler+0xe8/0x114 <4>[ 128.048059] el0_sync+0x180/0x1c0 <0>[ 128.051646] Code: a8c12027 a8c12829 a8c1302b a8c1382d (a88120c7) <4>[ 128.058016] ---[ end trace 2596aaebce7b33c7 ]--- # Segmentation fault # [ 127.796148] lkdtm: Performing direct entry WRITE_KERN # [ 127.801561] lkdtm: attempting bad 8497532 byte write at ffff80001122544c # [ 127.808623] Unable to handle kernel write to read-only memory at virtual address ffff80001122544c # [ 127.817902] Mem abort info: # [ 127.821220] ESR = 0x9600004f # [ 127.824559] EC = 0x25: DABT (current EL), IL = 32 bits # [ 127.830197] SET = 0, FnV = 0 # [ 127.833551] EA = 0, S1PTW = 0 # [ 127.836980] Data abort info: # [ 127.840134] ISV = 0, ISS = 0x0000004f # [ 127.844266] CM = 0, WnR = 1 # [ 127.847521] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081db0000 # [ 127.854520] [ffff80001122544c] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=00000009ffffd003, pte=0050000081425783 # [ 127.867404] Internal error: Oops: 000000009600004f [#15] PREEMPT SMP # [ 127.874033] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 127.885785] CPU: 1 PID: 2154 Comm: cat Tainted: G D W 5.10.224-cip52 #1 # [ 127.893808] Hardware name: ARM Juno development board (r0) (DT) # [ 127.900010] pstate: 20000005 (nzCv daif -PAN -UAO -TCO BTYPE=--) # [ 127.906302] pc : __memcpy+0x110/0x180 # [ 127.910237] lr : lkdtm_WRITE_KERN+0x54/0x88 # [ 127.914688] sp : ffff800015e6bce0 # [ 127.918271] x29: ffff800015e6bce0 x28: ffff000806c89880 # [ 127.923865] x27: 0000000000000000 x26: 0000000000000000 # [ 127.929462] x25: ffff8000114db328 x24: ffff800015e6be20 # [ 127.935062] x23: 000000000000000b x22: ffff00080597c000 # [ 127.940656] x21: 000000000081a97c x20: ffff800010a0aad0 # [ 127.946248] x19: ffff80001122544c x18: 0000000000000006 # [ 127.951841] x17: 0000000000000100 x16: 0000000000000000 # [ 127.957434] x15: ffff800015e6b830 x14: 97e4e966f9000bf3 # [ 127.963027] x13: f9428c00910003fd x12: 52819801d2800802 # [ 127.968619] x11: a9be7bfdf00085a0 x10: d503233fd503201f # [ 127.974212] x9 : aa1e03e9d65f03c0 x8 : d50323bfd503233f # [ 127.979804] x7 : d503201faa1e03e9 x6 : ffff80001122544c # [ 127.985396] x5 : ffff800012575c88 x4 : 0000000000000000 # [ 127.990989] x3 : 0000000000000000 x2 : 000000000081a8fc # [ 127.996581] x1 : ffff800010a0ab10 x0 : ffff80001122544c # [ 128.002174] Call trace: # [ 128.004891] __memcpy+0x110/0x180 # [ 128.008478] lkdtm_do_action+0x24/0x40 # [ 128.012497] direct_entry+0xc8/0x130 # [ 128.016343] full_proxy_write+0x68/0xbc # [ 128.020449] vfs_write+0xec/0x22c # [ 128.024032] ksys_write+0x78/0x110 # [ 128.027703] __arm64_sys_write+0x24/0x30 # [ 128.031898] el0_svc_common.constprop.0+0x84/0x1e0 # [ 128.036961] do_el0_svc+0x2c/0xa4 # [ 128.040544] el0_svc+0x20/0x30 # [ 128.043867] el0_sync_handler+0xe8/0x114 # [ 128.048059] el0_sync+0x180/0x1c0 # [ 128.051646] Code: a8c12027 a8c12829 a8c1302b a8c1382d (a88120c7) # [ 128.058016] ---[ end trace 2596aaebce7b33c7 ]--- # WRITE_KERN: saw 'call trace:': ok ok 41 selftests: lkdtm: WRITE_KERN.sh # selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh <6>[ 128.507917] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW <6>[ 128.514366] lkdtm: attempting good refcount_inc() without overflow <6>[ 128.520955] lkdtm: attempting bad refcount_inc() overflow <4>[ 128.526715] ------------[ cut here ]------------ <4>[ 128.531847] refcount_t: saturated; leaking memory. <4>[ 128.537267] WARNING: CPU: 2 PID: 2200 at lib/refcount.c:22 refcount_warn_saturate+0x74/0x144 <4>[ 128.545987] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 128.557738] CPU: 2 PID: 2200 Comm: cat Tainted: G D W 5.10.224-cip52 #1 <4>[ 128.565757] Hardware name: ARM Juno development board (r0) (DT) <4>[ 128.571952] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 128.578233] pc : refcount_warn_saturate+0x74/0x144 <4>[ 128.583295] lr : refcount_warn_saturate+0x74/0x144 <4>[ 128.588355] sp : ffff800015f23cd0 <4>[ 128.591936] x29: ffff800015f23cd0 x28: ffff000800ba3100 <4>[ 128.597530] x27: 0000000000000000 x26: 0000000000000000 <4>[ 128.603123] x25: ffff8000114db328 x24: ffff800015f23e20 <4>[ 128.608716] x23: 0000000000000016 x22: ffff000802b11000 <4>[ 128.614308] x21: ffff8000119f0e48 x20: 000000000000002b <4>[ 128.619900] x19: ffff8000114db5e8 x18: 0000000000000000 <4>[ 128.625492] x17: 0000000000000000 x16: 0000000000000000 <4>[ 128.631085] x15: 0000000000000000 x14: ffff0008002f0000 <4>[ 128.636677] x13: ffff80096d19f000 x12: 0000000030d4d91d <4>[ 128.642269] x11: 0000000000000000 x10: 0000000000001440 <4>[ 128.647861] x9 : ffff80001012b978 x8 : ffff000800ba45a0 <4>[ 128.653454] x7 : 7fffffffffffffff x6 : ffff800012575000 <4>[ 128.659045] x5 : ffff800012575c88 x4 : ffff00097ef4cc68 <4>[ 128.664637] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 128.670230] x1 : 0000000000000000 x0 : ffff000800ba3100 <4>[ 128.675822] Call trace: <4>[ 128.678536] refcount_warn_saturate+0x74/0x144 <4>[ 128.683255] __refcount_add.constprop.0+0x74/0x80 <4>[ 128.688233] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0xa0 <4>[ 128.693296] lkdtm_do_action+0x24/0x40 <4>[ 128.697315] direct_entry+0xc8/0x130 <4>[ 128.701159] full_proxy_write+0x68/0xbc <4>[ 128.705265] vfs_write+0xec/0x22c <4>[ 128.708848] ksys_write+0x78/0x110 <4>[ 128.712518] __arm64_sys_write+0x24/0x30 <4>[ 128.716713] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 128.721776] do_el0_svc+0x2c/0xa4 <4>[ 128.725359] el0_svc+0x20/0x30 <4>[ 128.728680] el0_sync_handler+0xe8/0x114 <4>[ 128.732872] el0_sync+0x180/0x1c0 <4>[ 128.736453] irq event stamp: 0 <4>[ 128.739777] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 128.746322] hardirqs last disabled at (0): [] copy_process+0x5f4/0x1df4 <4>[ 128.754781] softirqs last enabled at (0): [] copy_process+0x5f4/0x1df4 <4>[ 128.763237] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 128.769776] ---[ end trace 2596aaebce7b33c8 ]--- <6>[ 128.774739] lkdtm: Overflow detected: saturated # [ 128.507917] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW # [ 128.514366] lkdtm: attempting good refcount_inc() without overflow # [ 128.520955] lkdtm: attempting bad refcount_inc() overflow # [ 128.526715] ------------[ cut here ]------------ # [ 128.531847] refcount_t: saturated; leaking memory. # [ 128.537267] WARNING: CPU: 2 PID: 2200 at lib/refcount.c:22 refcount_warn_saturate+0x74/0x144 # [ 128.545987] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 128.557738] CPU: 2 PID: 2200 Comm: cat Tainted: G D W 5.10.224-cip52 #1 # [ 128.565757] Hardware name: ARM Juno development board (r0) (DT) # [ 128.571952] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 128.578233] pc : refcount_warn_saturate+0x74/0x144 # [ 128.583295] lr : refcount_warn_saturate+0x74/0x144 # [ 128.588355] sp : ffff800015f23cd0 # [ 128.591936] x29: ffff800015f23cd0 x28: ffff000800ba3100 # [ 128.597530] x27: 0000000000000000 x26: 0000000000000000 # [ 128.603123] x25: ffff8000114db328 x24: ffff800015f23e20 # [ 128.608716] x23: 0000000000000016 x22: ffff000802b11000 # [ 128.614308] x21: ffff8000119f0e48 x20: 000000000000002b # [ 128.619900] x19: ffff8000114db5e8 x18: 0000000000000000 # [ 128.625492] x17: 0000000000000000 x16: 0000000000000000 # [ 128.631085] x15: 0000000000000000 x14: ffff0008002f0000 # [ 128.636677] x13: ffff80096d19f000 x12: 0000000030d4d91d # [ 128.642269] x11: 0000000000000000 x10: 0000000000001440 # [ 128.647861] x9 : ffff80001012b978 x8 : ffff000800ba45a0 # [ 128.653454] x7 : 7fffffffffffffff x6 : ffff800012575000 # [ 128.659045] x5 : ffff800012575c88 x4 : ffff00097ef4cc68 # [ 128.664637] x3 : 0000000000000000 x2 : 0000000000000000 # [ 128.670230] x1 : 0000000000000000 x0 : ffff000800ba3100 # [ 128.675822] Call trace: # [ 128.678536] refcount_warn_saturate+0x74/0x144 # [ 128.683255] __refcount_add.constprop.0+0x74/0x80 # [ 128.688233] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0xa0 # [ 128.693296] lkdtm_do_action+0x24/0x40 # [ 128.697315] direct_entry+0xc8/0x130 # [ 128.701159] full_proxy_write+0x68/0xbc # [ 128.705265] vfs_write+0xec/0x22c # [ 128.708848] ksys_write+0x78/0x110 # [ 128.712518] __arm64_sys_write+0x24/0x30 # [ 128.716713] el0_svc_common.constprop.0+0x84/0x1e0 # [ 128.721776] do_el0_svc+0x2c/0xa4 # [ 128.725359] el0_svc+0x20/0x30 # [ 128.728680] el0_sync_handler+0xe8/0x114 # [ 128.732872] el0_sync+0x180/0x1c0 # [ 128.736453] irq event stamp: 0 # [ 128.739777] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 128.746322] hardirqs last disabled at (0): [] copy_process+0x5f4/0x1df4 # [ 128.754781] softirqs last enabled at (0): [] copy_process+0x5f4/0x1df4 # [ 128.763237] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 128.769776] ---[ end trace 2596aaebce7b33c8 ]--- # [ 128.774739] 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>[ 129.234837] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW <6>[ 129.241276] lkdtm: attempting good refcount_add() without overflow <6>[ 129.247853] lkdtm: attempting bad refcount_add() overflow <4>[ 129.253607] ------------[ cut here ]------------ <4>[ 129.258812] refcount_t: saturated; leaking memory. <4>[ 129.263984] WARNING: CPU: 1 PID: 2233 at lib/refcount.c:22 refcount_warn_saturate+0x74/0x144 <4>[ 129.272701] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 129.284455] CPU: 1 PID: 2233 Comm: cat Tainted: G D W 5.10.224-cip52 #1 <4>[ 129.292476] Hardware name: ARM Juno development board (r0) (DT) <4>[ 129.298671] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 129.304953] pc : refcount_warn_saturate+0x74/0x144 <4>[ 129.310016] lr : refcount_warn_saturate+0x74/0x144 <4>[ 129.315076] sp : ffff800015fbbcd0 <4>[ 129.318657] x29: ffff800015fbbcd0 x28: ffff000800c1c980 <4>[ 129.324252] x27: 0000000000000000 x26: 0000000000000000 <4>[ 129.329846] x25: ffff8000114db328 x24: ffff800015fbbe20 <4>[ 129.335439] x23: 0000000000000016 x22: ffff000802e2a000 <4>[ 129.341032] x21: ffff8000119f0e60 x20: 000000000000002c <4>[ 129.346625] x19: ffff8000114db5f8 x18: 0000000000000006 <4>[ 129.352217] x17: 0000000000000001 x16: 0000000000000000 <4>[ 129.357809] x15: ffff800015fbb7e0 x14: ffff800095fbb99a <4>[ 129.363402] x13: ffff800015fbb9a2 x12: 0000000000000d29 <4>[ 129.368995] x11: 071c71c71c71c71c x10: ffff8000125fbfa8 <4>[ 129.374587] x9 : ffff80001012b978 x8 : 00000000ffffefff <4>[ 129.380180] x7 : ffff8000125fbfa8 x6 : ffff800012575000 <4>[ 129.385772] x5 : ffff800012575c88 x4 : ffff00097ef2ac68 <4>[ 129.391364] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 129.396957] x1 : 0000000000000000 x0 : ffff000800c1c980 <4>[ 129.402549] Call trace: <4>[ 129.405264] refcount_warn_saturate+0x74/0x144 <4>[ 129.409982] __refcount_add.constprop.0+0x74/0x80 <4>[ 129.414961] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7c/0xac <4>[ 129.420024] lkdtm_do_action+0x24/0x40 <4>[ 129.424043] direct_entry+0xc8/0x130 <4>[ 129.427888] full_proxy_write+0x68/0xbc <4>[ 129.431995] vfs_write+0xec/0x22c <4>[ 129.435577] ksys_write+0x78/0x110 <4>[ 129.439247] __arm64_sys_write+0x24/0x30 <4>[ 129.443442] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 129.448505] do_el0_svc+0x2c/0xa4 <4>[ 129.452089] el0_svc+0x20/0x30 <4>[ 129.455411] el0_sync_handler+0xe8/0x114 <4>[ 129.459603] el0_sync+0x180/0x1c0 <4>[ 129.463185] irq event stamp: 0 <4>[ 129.466510] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 129.473056] hardirqs last disabled at (0): [] copy_process+0x5f4/0x1df4 <4>[ 129.481514] softirqs last enabled at (0): [] copy_process+0x5f4/0x1df4 <4>[ 129.489970] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 129.496510] ---[ end trace 2596aaebce7b33c9 ]--- <6>[ 129.501508] lkdtm: Overflow detected: saturated # [ 129.234837] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW # [ 129.241276] lkdtm: attempting good refcount_add() without overflow # [ 129.247853] lkdtm: attempting bad refcount_add() overflow # [ 129.253607] ------------[ cut here ]------------ # [ 129.258812] refcount_t: saturated; leaking memory. # [ 129.263984] WARNING: CPU: 1 PID: 2233 at lib/refcount.c:22 refcount_warn_saturate+0x74/0x144 # [ 129.272701] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 129.284455] CPU: 1 PID: 2233 Comm: cat Tainted: G D W 5.10.224-cip52 #1 # [ 129.292476] Hardware name: ARM Juno development board (r0) (DT) # [ 129.298671] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 129.304953] pc : refcount_warn_saturate+0x74/0x144 # [ 129.310016] lr : refcount_warn_saturate+0x74/0x144 # [ 129.315076] sp : ffff800015fbbcd0 # [ 129.318657] x29: ffff800015fbbcd0 x28: ffff000800c1c980 # [ 129.324252] x27: 0000000000000000 x26: 0000000000000000 # [ 129.329846] x25: ffff8000114db328 x24: ffff800015fbbe20 # [ 129.335439] x23: 0000000000000016 x22: ffff000802e2a000 # [ 129.341032] x21: ffff8000119f0e60 x20: 000000000000002c # [ 129.346625] x19: ffff8000114db5f8 x18: 0000000000000006 # [ 129.352217] x17: 0000000000000001 x16: 0000000000000000 # [ 129.357809] x15: ffff800015fbb7e0 x14: ffff800095fbb99a # [ 129.363402] x13: ffff800015fbb9a2 x12: 0000000000000d29 # [ 129.368995] x11: 071c71c71c71c71c x10: ffff8000125fbfa8 # [ 129.374587] x9 : ffff80001012b978 x8 : 00000000ffffefff # [ 129.380180] x7 : ffff8000125fbfa8 x6 : ffff800012575000 # [ 129.385772] x5 : ffff800012575c88 x4 : ffff00097ef2ac68 # [ 129.391364] x3 : 0000000000000000 x2 : 0000000000000000 # [ 129.396957] x1 : 0000000000000000 x0 : ffff000800c1c980 # [ 129.402549] Call trace: # [ 129.405264] refcount_warn_saturate+0x74/0x144 # [ 129.409982] __refcount_add.constprop.0+0x74/0x80 # [ 129.414961] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7c/0xac # [ 129.420024] lkdtm_do_action+0x24/0x40 # [ 129.424043] direct_entry+0xc8/0x130 # [ 129.427888] full_proxy_write+0x68/0xbc # [ 129.431995] vfs_write+0xec/0x22c # [ 129.435577] ksys_write+0x78/0x110 # [ 129.439247] __arm64_sys_write+0x24/0x30 # [ 129.443442] el0_svc_common.constprop.0+0x84/0x1e0 # [ 129.448505] do_el0_svc+0x2c/0xa4 # [ 129.452089] el0_svc+0x20/0x30 # [ 129.455411] el0_sync_handler+0xe8/0x114 # [ 129.459603] el0_sync+0x180/0x1c0 # [ 129.463185] irq event stamp: 0 # [ 129.466510] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 129.473056] hardirqs last disabled at (0): [] copy_process+0x5f4/0x1df4 # [ 129.481514] softirqs last enabled at (0): [] copy_process+0x5f4/0x1df4 # [ 129.489970] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 129.496510] ---[ end trace 2596aaebce7b33c9 ]--- # [ 129.501508] 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>[ 129.971741] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW <6>[ 129.978896] lkdtm: attempting bad refcount_inc_not_zero() overflow <4>[ 129.985490] ------------[ cut here ]------------ <4>[ 129.990463] refcount_t: saturated; leaking memory. <4>[ 129.995694] WARNING: CPU: 5 PID: 2266 at lib/refcount.c:19 refcount_warn_saturate+0x9c/0x144 <4>[ 130.004417] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 130.016201] CPU: 5 PID: 2266 Comm: cat Tainted: G D W 5.10.224-cip52 #1 <4>[ 130.024226] Hardware name: ARM Juno development board (r0) (DT) <4>[ 130.030426] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 130.036714] pc : refcount_warn_saturate+0x9c/0x144 <4>[ 130.041782] lr : refcount_warn_saturate+0x9c/0x144 <4>[ 130.046847] sp : ffff800016063cb0 <4>[ 130.050433] x29: ffff800016063cb0 x28: ffff0008008fb100 <4>[ 130.056036] x27: 0000000000000000 x26: 0000000000000000 <4>[ 130.061638] x25: ffff8000114db328 x24: ffff800016063e20 <4>[ 130.067240] x23: 000000000000001f x22: 00000000ffffffff <4>[ 130.072841] x21: 000000007fffffff x20: 000000007fffffff <4>[ 130.078444] x19: ffff800016063d04 x18: 0000000000000006 <4>[ 130.084045] x17: 0000000000000100 x16: 0000000000000000 <4>[ 130.089646] x15: ffff8000160637c0 x14: ffff80009606397a <4>[ 130.095248] x13: ffff800016063982 x12: 0000000000000038 <4>[ 130.100850] x11: 0000000000000030 x10: ffff8000125fbfa8 <4>[ 130.106451] x9 : ffff80001012b978 x8 : 00000000ffffefff <4>[ 130.112052] x7 : ffff8000125fbfa8 x6 : ffff800012575000 <4>[ 130.117654] x5 : ffff800012575c88 x4 : ffff00097efb2c68 <4>[ 130.123256] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 130.128857] x1 : 0000000000000000 x0 : ffff0008008fb100 <4>[ 130.134458] Call trace: <4>[ 130.137178] refcount_warn_saturate+0x9c/0x144 <4>[ 130.141903] __refcount_add_not_zero.constprop.0+0xa0/0xc0 <4>[ 130.147669] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x44/0x88 <4>[ 130.153523] lkdtm_do_action+0x24/0x40 <4>[ 130.157548] direct_entry+0xc8/0x130 <4>[ 130.161400] full_proxy_write+0x68/0xbc <4>[ 130.165512] vfs_write+0xec/0x22c <4>[ 130.169101] ksys_write+0x78/0x110 <4>[ 130.172776] __arm64_sys_write+0x24/0x30 <4>[ 130.176978] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 130.182047] do_el0_svc+0x2c/0xa4 <4>[ 130.185636] el0_svc+0x20/0x30 <4>[ 130.188964] el0_sync_handler+0xe8/0x114 <4>[ 130.193163] el0_sync+0x180/0x1c0 <4>[ 130.196749] irq event stamp: 0 <4>[ 130.200079] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 130.206631] hardirqs last disabled at (0): [] copy_process+0x5f4/0x1df4 <4>[ 130.215096] softirqs last enabled at (0): [] copy_process+0x5f4/0x1df4 <4>[ 130.223558] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 130.230102] ---[ end trace 2596aaebce7b33ca ]--- <6>[ 130.235246] lkdtm: Overflow detected: saturated # [ 129.971741] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 129.978896] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 129.985490] ------------[ cut here ]------------ # [ 129.990463] refcount_t: saturated; leaking memory. # [ 129.995694] WARNING: CPU: 5 PID: 2266 at lib/refcount.c:19 refcount_warn_saturate+0x9c/0x144 # [ 130.004417] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 130.016201] CPU: 5 PID: 2266 Comm: cat Tainted: G D W 5.10.224-cip52 #1 # [ 130.024226] Hardware name: ARM Juno development board (r0) (DT) # [ 130.030426] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 130.036714] pc : refcount_warn_saturate+0x9c/0x144 # [ 130.041782] lr : refcount_warn_saturate+0x9c/0x144 # [ 130.046847] sp : ffff800016063cb0 # [ 130.050433] x29: ffff800016063cb0 x28: ffff0008008fb100 # [ 130.056036] x27: 0000000000000000 x26: 0000000000000000 # [ 130.061638] x25: ffff8000114db328 x24: ffff800016063e20 # [ 130.067240] x23: 000000000000001f x22: 00000000ffffffff # [ 130.072841] x21: 000000007fffffff x20: 000000007fffffff # [ 130.078444] x19: ffff800016063d04 x18: 0000000000000006 # [ 130.084045] x17: 0000000000000100 x16: 0000000000000000 # [ 130.089646] x15: ffff8000160637c0 x14: ffff80009606397a # [ 130.095248] x13: ffff800016063982 x12: 0000000000000038 # [ 130.100850] x11: 0000000000000030 x10: ffff8000125fbfa8 # [ 130.106451] x9 : ffff80001012b978 x8 : 00000000ffffefff # [ 130.112052] x7 : ffff8000125fbfa8 x6 : ffff800012575000 # [ 130.117654] x5 : ffff800012575c88 x4 : ffff00097efb2c68 # [ 130.123256] x3 : 0000000000000000 x2 : 0000000000000000 # [ 130.128857] x1 : 0000000000000000 x0 : ffff0008008fb100 # [ 130.134458] Call trace: # [ 130.137178] refcount_warn_saturate+0x9c/0x144 # [ 130.141903] __refcount_add_not_zero.constprop.0+0xa0/0xc0 # [ 130.147669] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x44/0x88 # [ 130.153523] lkdtm_do_action+0x24/0x40 # [ 130.157548] direct_entry+0xc8/0x130 # [ 130.161400] full_proxy_write+0x68/0xbc # [ 130.165512] vfs_write+0xec/0x22c # [ 130.169101] ksys_write+0x78/0x110 # [ 130.172776] __arm64_sys_write+0x24/0x30 # [ 130.176978] el0_svc_common.constprop.0+0x84/0x1e0 # [ 130.182047] do_el0_svc+0x2c/0xa4 # [ 130.185636] el0_svc+0x20/0x30 # [ 130.188964] el0_sync_handler+0xe8/0x114 # [ 130.193163] el0_sync+0x180/0x1c0 # [ 130.196749] irq event stamp: 0 # [ 130.200079] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 130.206631] hardirqs last disabled at (0): [] copy_process+0x5f4/0x1df4 # [ 130.215096] softirqs last enabled at (0): [] copy_process+0x5f4/0x1df4 # [ 130.223558] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 130.230102] ---[ end trace 2596aaebce7b33ca ]--- # [ 130.235246] 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>[ 130.688638] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW <6>[ 130.695866] lkdtm: attempting bad refcount_add_not_zero() overflow <4>[ 130.702449] ------------[ cut here ]------------ <4>[ 130.707421] refcount_t: saturated; leaking memory. <4>[ 130.712791] WARNING: CPU: 5 PID: 2299 at lib/refcount.c:19 refcount_warn_saturate+0x9c/0x144 <4>[ 130.721513] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 130.733298] CPU: 5 PID: 2299 Comm: cat Tainted: G D W 5.10.224-cip52 #1 <4>[ 130.741322] Hardware name: ARM Juno development board (r0) (DT) <4>[ 130.747523] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 130.753811] pc : refcount_warn_saturate+0x9c/0x144 <4>[ 130.758880] lr : refcount_warn_saturate+0x9c/0x144 <4>[ 130.763944] sp : ffff800016103cb0 <4>[ 130.767530] x29: ffff800016103cb0 x28: ffff00080762b100 <4>[ 130.773133] x27: 0000000000000000 x26: 0000000000000000 <4>[ 130.778735] x25: ffff8000114db328 x24: ffff800016103e20 <4>[ 130.784336] x23: 000000000000001f x22: 00000000ffffffff <4>[ 130.789938] x21: 000000007fffffff x20: 000000007fffffff <4>[ 130.795540] x19: ffff800016103d04 x18: 0000000000000006 <4>[ 130.801141] x17: 0000000000000100 x16: 0000000000000000 <4>[ 130.806743] x15: ffff8000161037c0 x14: ffff80009610397a <4>[ 130.812344] x13: ffff800016103982 x12: 0000000000000038 <4>[ 130.817946] x11: 0000000000000030 x10: ffff8000125fbfa8 <4>[ 130.823548] x9 : ffff80001012b978 x8 : 00000000ffffefff <4>[ 130.829150] x7 : ffff8000125fbfa8 x6 : ffff800012575000 <4>[ 130.834752] x5 : ffff800012575c88 x4 : ffff00097efb2c68 <4>[ 130.840353] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 130.845954] x1 : 0000000000000000 x0 : ffff00080762b100 <4>[ 130.851556] Call trace: <4>[ 130.854276] refcount_warn_saturate+0x9c/0x144 <4>[ 130.859000] __refcount_add_not_zero.constprop.0+0xa0/0xc0 <4>[ 130.864766] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x44/0x88 <4>[ 130.870620] lkdtm_do_action+0x24/0x40 <4>[ 130.874646] direct_entry+0xc8/0x130 <4>[ 130.878497] full_proxy_write+0x68/0xbc <4>[ 130.882610] vfs_write+0xec/0x22c <4>[ 130.886198] ksys_write+0x78/0x110 <4>[ 130.889874] __arm64_sys_write+0x24/0x30 <4>[ 130.894075] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 130.899145] do_el0_svc+0x2c/0xa4 <4>[ 130.902734] el0_svc+0x20/0x30 <4>[ 130.906062] el0_sync_handler+0xe8/0x114 <4>[ 130.910260] el0_sync+0x180/0x1c0 <4>[ 130.913846] irq event stamp: 0 <4>[ 130.917177] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 130.923729] hardirqs last disabled at (0): [] copy_process+0x5f4/0x1df4 <4>[ 130.932193] softirqs last enabled at (0): [] copy_process+0x5f4/0x1df4 <4>[ 130.940655] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 130.947199] ---[ end trace 2596aaebce7b33cb ]--- <6>[ 130.952397] lkdtm: Overflow detected: saturated # [ 130.688638] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 130.695866] lkdtm: attempting bad refcount_add_not_zero() overflow # [ 130.702449] ------------[ cut here ]------------ # [ 130.707421] refcount_t: saturated; leaking memory. # [ 130.712791] WARNING: CPU: 5 PID: 2299 at lib/refcount.c:19 refcount_warn_saturate+0x9c/0x144 # [ 130.721513] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 130.733298] CPU: 5 PID: 2299 Comm: cat Tainted: G D W 5.10.224-cip52 #1 # [ 130.741322] Hardware name: ARM Juno development board (r0) (DT) # [ 130.747523] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 130.753811] pc : refcount_warn_saturate+0x9c/0x144 # [ 130.758880] lr : refcount_warn_saturate+0x9c/0x144 # [ 130.763944] sp : ffff800016103cb0 # [ 130.767530] x29: ffff800016103cb0 x28: ffff00080762b100 # [ 130.773133] x27: 0000000000000000 x26: 0000000000000000 # [ 130.778735] x25: ffff8000114db328 x24: ffff800016103e20 # [ 130.784336] x23: 000000000000001f x22: 00000000ffffffff # [ 130.789938] x21: 000000007fffffff x20: 000000007fffffff # [ 130.795540] x19: ffff800016103d04 x18: 0000000000000006 # [ 130.801141] x17: 0000000000000100 x16: 0000000000000000 # [ 130.806743] x15: ffff8000161037c0 x14: ffff80009610397a # [ 130.812344] x13: ffff800016103982 x12: 0000000000000038 # [ 130.817946] x11: 0000000000000030 x10: ffff8000125fbfa8 # [ 130.823548] x9 : ffff80001012b978 x8 : 00000000ffffefff # [ 130.829150] x7 : ffff8000125fbfa8 x6 : ffff800012575000 # [ 130.834752] x5 : ffff800012575c88 x4 : ffff00097efb2c68 # [ 130.840353] x3 : 0000000000000000 x2 : 0000000000000000 # [ 130.845954] x1 : 0000000000000000 x0 : ffff00080762b100 # [ 130.851556] Call trace: # [ 130.854276] refcount_warn_saturate+0x9c/0x144 # [ 130.859000] __refcount_add_not_zero.constprop.0+0xa0/0xc0 # [ 130.864766] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x44/0x88 # [ 130.870620] lkdtm_do_action+0x24/0x40 # [ 130.874646] direct_entry+0xc8/0x130 # [ 130.878497] full_proxy_write+0x68/0xbc # [ 130.882610] vfs_write+0xec/0x22c # [ 130.886198] ksys_write+0x78/0x110 # [ 130.889874] __arm64_sys_write+0x24/0x30 # [ 130.894075] el0_svc_common.constprop.0+0x84/0x1e0 # [ 130.899145] do_el0_svc+0x2c/0xa4 # [ 130.902734] el0_svc+0x20/0x30 # [ 130.906062] el0_sync_handler+0xe8/0x114 # [ 130.910260] el0_sync+0x180/0x1c0 # [ 130.913846] irq event stamp: 0 # [ 130.917177] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 130.923729] hardirqs last disabled at (0): [] copy_process+0x5f4/0x1df4 # [ 130.932193] softirqs last enabled at (0): [] copy_process+0x5f4/0x1df4 # [ 130.940655] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 130.947199] ---[ end trace 2596aaebce7b33cb ]--- # [ 130.952397] 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>[ 131.442225] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO <6>[ 131.448217] lkdtm: attempting good refcount_dec() <6>[ 131.453253] lkdtm: attempting bad refcount_dec() to zero <4>[ 131.458894] ------------[ cut here ]------------ <4>[ 131.463834] refcount_t: decrement hit 0; leaking memory. <4>[ 131.469647] WARNING: CPU: 1 PID: 2332 at lib/refcount.c:31 refcount_warn_saturate+0x13c/0x144 <4>[ 131.478454] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 131.490205] CPU: 1 PID: 2332 Comm: cat Tainted: G D W 5.10.224-cip52 #1 <4>[ 131.498224] Hardware name: ARM Juno development board (r0) (DT) <4>[ 131.504419] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 131.510700] pc : refcount_warn_saturate+0x13c/0x144 <4>[ 131.515849] lr : refcount_warn_saturate+0x13c/0x144 <4>[ 131.520995] sp : ffff800015f5bcc0 <4>[ 131.524576] x29: ffff800015f5bcc0 x28: ffff0008040d0000 <4>[ 131.530170] x27: 0000000000000000 x26: 0000000000000000 <4>[ 131.535763] x25: ffff8000114db328 x24: ffff800015f5be20 <4>[ 131.541355] x23: 0000000000000012 x22: ffff000803dde000 <4>[ 131.546947] x21: ffff8000119f0eb8 x20: 000000000000002f <4>[ 131.552539] x19: ffff800015f5bd04 x18: 0000000000000000 <4>[ 131.558131] x17: 0000000000000000 x16: 0000000000000000 <4>[ 131.563723] x15: 0000000000000000 x14: ffff00080029e200 <4>[ 131.569315] x13: ffff80096d17d000 x12: 0000000030d4d91d <4>[ 131.574907] x11: 0000000000000000 x10: 0000000000001440 <4>[ 131.580499] x9 : ffff80001012b978 x8 : ffff0008040d14a0 <4>[ 131.586091] x7 : 0000000000000001 x6 : ffff800012575000 <4>[ 131.591683] x5 : ffff800012575c88 x4 : ffff00097ef2ac68 <4>[ 131.597275] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 131.602867] x1 : 0000000000000000 x0 : ffff0008040d0000 <4>[ 131.608458] Call trace: <4>[ 131.611172] refcount_warn_saturate+0x13c/0x144 <4>[ 131.615977] __refcount_dec.constprop.0+0x5c/0x6c <4>[ 131.620954] lkdtm_REFCOUNT_DEC_ZERO+0x54/0xe0 <4>[ 131.625671] lkdtm_do_action+0x24/0x40 <4>[ 131.629689] direct_entry+0xc8/0x130 <4>[ 131.633534] full_proxy_write+0x68/0xbc <4>[ 131.637640] vfs_write+0xec/0x22c <4>[ 131.641223] ksys_write+0x78/0x110 <4>[ 131.644892] __arm64_sys_write+0x24/0x30 <4>[ 131.649087] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 131.654150] do_el0_svc+0x2c/0xa4 <4>[ 131.657733] el0_svc+0x20/0x30 <4>[ 131.661055] el0_sync_handler+0xe8/0x114 <4>[ 131.665247] el0_sync+0x180/0x1c0 <4>[ 131.668829] irq event stamp: 0 <4>[ 131.672153] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 131.678698] hardirqs last disabled at (0): [] copy_process+0x5f4/0x1df4 <4>[ 131.687156] softirqs last enabled at (0): [] copy_process+0x5f4/0x1df4 <4>[ 131.695611] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 131.702151] ---[ end trace 2596aaebce7b33cc ]--- <6>[ 131.707113] lkdtm: Zero detected: saturated # [ 131.442225] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO # [ 131.448217] lkdtm: attempting good refcount_dec() # [ 131.453253] lkdtm: attempting bad refcount_dec() to zero # [ 131.458894] ------------[ cut here ]------------ # [ 131.463834] refcount_t: decrement hit 0; leaking memory. # [ 131.469647] WARNING: CPU: 1 PID: 2332 at lib/refcount.c:31 refcount_warn_saturate+0x13c/0x144 # [ 131.478454] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 131.490205] CPU: 1 PID: 2332 Comm: cat Tainted: G D W 5.10.224-cip52 #1 # [ 131.498224] Hardware name: ARM Juno development board (r0) (DT) # [ 131.504419] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 131.510700] pc : refcount_warn_saturate+0x13c/0x144 # [ 131.515849] lr : refcount_warn_saturate+0x13c/0x144 # [ 131.520995] sp : ffff800015f5bcc0 # [ 131.524576] x29: ffff800015f5bcc0 x28: ffff0008040d0000 # [ 131.530170] x27: 0000000000000000 x26: 0000000000000000 # [ 131.535763] x25: ffff8000114db328 x24: ffff800015f5be20 # [ 131.541355] x23: 0000000000000012 x22: ffff000803dde000 # [ 131.546947] x21: ffff8000119f0eb8 x20: 000000000000002f # [ 131.552539] x19: ffff800015f5bd04 x18: 0000000000000000 # [ 131.558131] x17: 0000000000000000 x16: 0000000000000000 # [ 131.563723] x15: 0000000000000000 x14: ffff00080029e200 # [ 131.569315] x13: ffff80096d17d000 x12: 0000000030d4d91d # [ 131.574907] x11: 0000000000000000 x10: 0000000000001440 # [ 131.580499] x9 : ffff80001012b978 x8 : ffff0008040d14a0 # [ 131.586091] x7 : 0000000000000001 x6 : ffff800012575000 # [ 131.591683] x5 : ffff800012575c88 x4 : ffff00097ef2ac68 # [ 131.597275] x3 : 0000000000000000 x2 : 0000000000000000 # [ 131.602867] x1 : 0000000000000000 x0 : ffff0008040d0000 # [ 131.608458] Call trace: # [ 131.611172] refcount_warn_saturate+0x13c/0x144 # [ 131.615977] __refcount_dec.constprop.0+0x5c/0x6c # [ 131.620954] lkdtm_REFCOUNT_DEC_ZERO+0x54/0xe0 # [ 131.625671] lkdtm_do_action+0x24/0x40 # [ 131.629689] direct_entry+0xc8/0x130 # [ 131.633534] full_proxy_write+0x68/0xbc # [ 131.637640] vfs_write+0xec/0x22c # [ 131.641223] ksys_write+0x78/0x110 # [ 131.644892] __arm64_sys_write+0x24/0x30 # [ 131.649087] el0_svc_common.constprop.0+0x84/0x1e0 # [ 131.654150] do_el0_svc+0x2c/0xa4 # [ 131.657733] el0_svc+0x20/0x30 # [ 131.661055] el0_sync_handler+0xe8/0x114 # [ 131.665247] el0_sync+0x180/0x1c0 # [ 131.668829] irq event stamp: 0 # [ 131.672153] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 131.678698] hardirqs last disabled at (0): [] copy_process+0x5f4/0x1df4 # [ 131.687156] softirqs last enabled at (0): [] copy_process+0x5f4/0x1df4 # [ 131.695611] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 131.702151] ---[ end trace 2596aaebce7b33cc ]--- # [ 131.707113] 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>[ 132.262293] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE <6>[ 132.268650] lkdtm: attempting bad refcount_dec() below zero <4>[ 132.274622] ------------[ cut here ]------------ <4>[ 132.279587] refcount_t: decrement hit 0; leaking memory. <4>[ 132.285560] WARNING: CPU: 5 PID: 2368 at lib/refcount.c:31 refcount_warn_saturate+0x13c/0x144 <4>[ 132.294370] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 132.306155] CPU: 5 PID: 2368 Comm: cat Tainted: G D W 5.10.224-cip52 #1 <4>[ 132.314180] Hardware name: ARM Juno development board (r0) (DT) <4>[ 132.320381] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 132.326669] pc : refcount_warn_saturate+0x13c/0x144 <4>[ 132.331825] lr : refcount_warn_saturate+0x13c/0x144 <4>[ 132.336977] sp : ffff80001621bcc0 <4>[ 132.340563] x29: ffff80001621bcc0 x28: ffff00080080e200 <4>[ 132.346165] x27: 0000000000000000 x26: 0000000000000000 <4>[ 132.351767] x25: ffff8000114db328 x24: ffff80001621be20 <4>[ 132.357369] x23: 0000000000000016 x22: ffff00080402a000 <4>[ 132.362971] x21: ffff8000119f0ed0 x20: 0000000000000030 <4>[ 132.368573] x19: ffff80001621bd04 x18: 0000000000000006 <4>[ 132.374175] x17: 0000000000000100 x16: 0000000000000000 <4>[ 132.379777] x15: ffff80001621b7d0 x14: ffff80009621b98a <4>[ 132.385379] x13: ffff80001621b992 x12: 0000000000000030 <4>[ 132.390980] x11: 0000000000000028 x10: ffff8000125fbfa8 <4>[ 132.396582] x9 : ffff80001012b978 x8 : 00000000ffffefff <4>[ 132.402184] x7 : ffff8000125fbfa8 x6 : ffff800012575000 <4>[ 132.407785] x5 : ffff800012575c88 x4 : ffff00097efb2c68 <4>[ 132.413386] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 132.418987] x1 : 0000000000000000 x0 : ffff00080080e200 <4>[ 132.424589] Call trace: <4>[ 132.427309] refcount_warn_saturate+0x13c/0x144 <4>[ 132.432120] __refcount_dec.constprop.0+0x5c/0x6c <4>[ 132.437102] lkdtm_REFCOUNT_DEC_NEGATIVE+0x3c/0x70 <4>[ 132.442173] lkdtm_do_action+0x24/0x40 <4>[ 132.446198] direct_entry+0xc8/0x130 <4>[ 132.450049] full_proxy_write+0x68/0xbc <4>[ 132.454161] vfs_write+0xec/0x22c <4>[ 132.457749] ksys_write+0x78/0x110 <4>[ 132.461425] __arm64_sys_write+0x24/0x30 <4>[ 132.465626] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 132.470695] do_el0_svc+0x2c/0xa4 <4>[ 132.474285] el0_svc+0x20/0x30 <4>[ 132.477613] el0_sync_handler+0xe8/0x114 <4>[ 132.481811] el0_sync+0x180/0x1c0 <4>[ 132.485397] irq event stamp: 0 <4>[ 132.488728] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 132.495280] hardirqs last disabled at (0): [] copy_process+0x5f4/0x1df4 <4>[ 132.503745] softirqs last enabled at (0): [] copy_process+0x5f4/0x1df4 <4>[ 132.512206] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 132.518751] ---[ end trace 2596aaebce7b33cd ]--- <6>[ 132.523919] lkdtm: Negative detected: saturated # [ 132.262293] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 132.268650] lkdtm: attempting bad refcount_dec() below zero # [ 132.274622] ------------[ cut here ]------------ # [ 132.279587] refcount_t: decrement hit 0; leaking memory. # [ 132.285560] WARNING: CPU: 5 PID: 2368 at lib/refcount.c:31 refcount_warn_saturate+0x13c/0x144 # [ 132.294370] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 132.306155] CPU: 5 PID: 2368 Comm: cat Tainted: G D W 5.10.224-cip52 #1 # [ 132.314180] Hardware name: ARM Juno development board (r0) (DT) # [ 132.320381] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 132.326669] pc : refcount_warn_saturate+0x13c/0x144 # [ 132.331825] lr : refcount_warn_saturate+0x13c/0x144 # [ 132.336977] sp : ffff80001621bcc0 # [ 132.340563] x29: ffff80001621bcc0 x28: ffff00080080e200 # [ 132.346165] x27: 0000000000000000 x26: 0000000000000000 # [ 132.351767] x25: ffff8000114db328 x24: ffff80001621be20 # [ 132.357369] x23: 0000000000000016 x22: ffff00080402a000 # [ 132.362971] x21: ffff8000119f0ed0 x20: 0000000000000030 # [ 132.368573] x19: ffff80001621bd04 x18: 0000000000000006 # [ 132.374175] x17: 0000000000000100 x16: 0000000000000000 # [ 132.379777] x15: ffff80001621b7d0 x14: ffff80009621b98a # [ 132.385379] x13: ffff80001621b992 x12: 0000000000000030 # [ 132.390980] x11: 0000000000000028 x10: ffff8000125fbfa8 # [ 132.396582] x9 : ffff80001012b978 x8 : 00000000ffffefff # [ 132.402184] x7 : ffff8000125fbfa8 x6 : ffff800012575000 # [ 132.407785] x5 : ffff800012575c88 x4 : ffff00097efb2c68 # [ 132.413386] x3 : 0000000000000000 x2 : 0000000000000000 # [ 132.418987] x1 : 0000000000000000 x0 : ffff00080080e200 # [ 132.424589] Call trace: # [ 132.427309] refcount_warn_saturate+0x13c/0x144 # [ 132.432120] __refcount_dec.constprop.0+0x5c/0x6c # [ 132.437102] lkdtm_REFCOUNT_DEC_NEGATIVE+0x3c/0x70 # [ 132.442173] lkdtm_do_action+0x24/0x40 # [ 132.446198] direct_entry+0xc8/0x130 # [ 132.450049] full_proxy_write+0x68/0xbc # [ 132.454161] vfs_write+0xec/0x22c # [ 132.457749] ksys_write+0x78/0x110 # [ 132.461425] __arm64_sys_write+0x24/0x30 # [ 132.465626] el0_svc_common.constprop.0+0x84/0x1e0 # [ 132.470695] do_el0_svc+0x2c/0xa4 # [ 132.474285] el0_svc+0x20/0x30 # [ 132.477613] el0_sync_handler+0xe8/0x114 # [ 132.481811] el0_sync+0x180/0x1c0 # [ 132.485397] irq event stamp: 0 # [ 132.488728] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 132.495280] hardirqs last disabled at (0): [] copy_process+0x5f4/0x1df4 # [ 132.503745] softirqs last enabled at (0): [] copy_process+0x5f4/0x1df4 # [ 132.512206] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 132.518751] ---[ end trace 2596aaebce7b33cd ]--- # [ 132.523919] 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>[ 133.279353] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE <6>[ 133.286516] lkdtm: attempting bad refcount_dec_and_test() below zero <4>[ 133.293241] ------------[ cut here ]------------ <4>[ 133.298190] refcount_t: underflow; use-after-free. <4>[ 133.303445] WARNING: CPU: 5 PID: 2404 at lib/refcount.c:28 refcount_warn_saturate+0xf4/0x144 <4>[ 133.312167] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 133.323951] CPU: 5 PID: 2404 Comm: cat Tainted: G D W 5.10.224-cip52 #1 <4>[ 133.331976] Hardware name: ARM Juno development board (r0) (DT) <4>[ 133.338176] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 133.344465] pc : refcount_warn_saturate+0xf4/0x144 <4>[ 133.349533] lr : refcount_warn_saturate+0xf4/0x144 <4>[ 133.354597] sp : ffff8000162b3cd0 <4>[ 133.358183] x29: ffff8000162b3cd0 x28: ffff000807cb1880 <4>[ 133.363786] x27: 0000000000000000 x26: 0000000000000000 <4>[ 133.369387] x25: ffff8000114db328 x24: ffff8000162b3e20 <4>[ 133.374989] x23: 000000000000001f x22: ffff000803eb9000 <4>[ 133.380590] x21: ffff8000119f0ee8 x20: 0000000000000031 <4>[ 133.386192] x19: ffff8000114db648 x18: 0000000000000006 <4>[ 133.391794] x17: 0000000000000100 x16: 0000000000000000 <4>[ 133.397395] x15: ffff8000162b37e0 x14: ffff8000962b399a <4>[ 133.402996] x13: ffff8000162b39a2 x12: 0000000000000038 <4>[ 133.408598] x11: 0000000000000030 x10: 0000000000001440 <4>[ 133.414199] x9 : ffff80001012b978 x8 : ffff000807cb2d20 <4>[ 133.419801] x7 : 0000000000000005 x6 : ffff800012575000 <4>[ 133.425403] x5 : ffff800012575c88 x4 : ffff00097efb2c68 <4>[ 133.431004] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 133.436604] x1 : 0000000000000000 x0 : ffff000807cb1880 <4>[ 133.442206] Call trace: <4>[ 133.444926] refcount_warn_saturate+0xf4/0x144 <4>[ 133.449651] __refcount_sub_and_test.constprop.0+0x70/0x80 <4>[ 133.455419] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x40/0x88 <4>[ 133.461271] lkdtm_do_action+0x24/0x40 <4>[ 133.465295] direct_entry+0xc8/0x130 <4>[ 133.469147] full_proxy_write+0x68/0xbc <4>[ 133.473260] vfs_write+0xec/0x22c <4>[ 133.476848] ksys_write+0x78/0x110 <4>[ 133.480524] __arm64_sys_write+0x24/0x30 <4>[ 133.484726] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 133.489795] do_el0_svc+0x2c/0xa4 <4>[ 133.493384] el0_svc+0x20/0x30 <4>[ 133.496712] el0_sync_handler+0xe8/0x114 <4>[ 133.500910] el0_sync+0x180/0x1c0 <4>[ 133.504496] irq event stamp: 0 <4>[ 133.507827] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 133.514379] hardirqs last disabled at (0): [] copy_process+0x5f4/0x1df4 <4>[ 133.522844] softirqs last enabled at (0): [] copy_process+0x5f4/0x1df4 <4>[ 133.531305] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 133.537850] ---[ end trace 2596aaebce7b33ce ]--- <6>[ 133.543051] lkdtm: Negative detected: saturated # [ 133.279353] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 133.286516] lkdtm: attempting bad refcount_dec_and_test() below zero # [ 133.293241] ------------[ cut here ]------------ # [ 133.298190] refcount_t: underflow; use-after-free. # [ 133.303445] WARNING: CPU: 5 PID: 2404 at lib/refcount.c:28 refcount_warn_saturate+0xf4/0x144 # [ 133.312167] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 133.323951] CPU: 5 PID: 2404 Comm: cat Tainted: G D W 5.10.224-cip52 #1 # [ 133.331976] Hardware name: ARM Juno development board (r0) (DT) # [ 133.338176] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 133.344465] pc : refcount_warn_saturate+0xf4/0x144 # [ 133.349533] lr : refcount_warn_saturate+0xf4/0x144 # [ 133.354597] sp : ffff8000162b3cd0 # [ 133.358183] x29: ffff8000162b3cd0 x28: ffff000807cb1880 # [ 133.363786] x27: 0000000000000000 x26: 0000000000000000 # [ 133.369387] x25: ffff8000114db328 x24: ffff8000162b3e20 # [ 133.374989] x23: 000000000000001f x22: ffff000803eb9000 # [ 133.380590] x21: ffff8000119f0ee8 x20: 0000000000000031 # [ 133.386192] x19: ffff8000114db648 x18: 0000000000000006 # [ 133.391794] x17: 0000000000000100 x16: 0000000000000000 # [ 133.397395] x15: ffff8000162b37e0 x14: ffff8000962b399a # [ 133.402996] x13: ffff8000162b39a2 x12: 0000000000000038 # [ 133.408598] x11: 0000000000000030 x10: 0000000000001440 # [ 133.414199] x9 : ffff80001012b978 x8 : ffff000807cb2d20 # [ 133.419801] x7 : 0000000000000005 x6 : ffff800012575000 # [ 133.425403] x5 : ffff800012575c88 x4 : ffff00097efb2c68 # [ 133.431004] x3 : 0000000000000000 x2 : 0000000000000000 # [ 133.436604] x1 : 0000000000000000 x0 : ffff000807cb1880 # [ 133.442206] Call trace: # [ 133.444926] refcount_warn_saturate+0xf4/0x144 # [ 133.449651] __refcount_sub_and_test.constprop.0+0x70/0x80 # [ 133.455419] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x40/0x88 # [ 133.461271] lkdtm_do_action+0x24/0x40 # [ 133.465295] direct_entry+0xc8/0x130 # [ 133.469147] full_proxy_write+0x68/0xbc # [ 133.473260] vfs_write+0xec/0x22c # [ 133.476848] ksys_write+0x78/0x110 # [ 133.480524] __arm64_sys_write+0x24/0x30 # [ 133.484726] el0_svc_common.constprop.0+0x84/0x1e0 # [ 133.489795] do_el0_svc+0x2c/0xa4 # [ 133.493384] el0_svc+0x20/0x30 # [ 133.496712] el0_sync_handler+0xe8/0x114 # [ 133.500910] el0_sync+0x180/0x1c0 # [ 133.504496] irq event stamp: 0 # [ 133.507827] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 133.514379] hardirqs last disabled at (0): [] copy_process+0x5f4/0x1df4 # [ 133.522844] softirqs last enabled at (0): [] copy_process+0x5f4/0x1df4 # [ 133.531305] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 133.537850] ---[ end trace 2596aaebce7b33ce ]--- # [ 133.543051] 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>[ 134.033952] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE <6>[ 134.041089] lkdtm: attempting bad refcount_sub_and_test() below zero <4>[ 134.047774] ------------[ cut here ]------------ <4>[ 134.052716] refcount_t: underflow; use-after-free. <4>[ 134.057970] WARNING: CPU: 3 PID: 2440 at lib/refcount.c:28 refcount_warn_saturate+0xf4/0x144 <4>[ 134.066693] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 134.078480] CPU: 3 PID: 2440 Comm: cat Tainted: G D W 5.10.224-cip52 #1 <4>[ 134.086504] Hardware name: ARM Juno development board (r0) (DT) <4>[ 134.092705] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 134.098992] pc : refcount_warn_saturate+0xf4/0x144 <4>[ 134.104061] lr : refcount_warn_saturate+0xf4/0x144 <4>[ 134.109126] sp : ffff800016343cd0 <4>[ 134.112712] x29: ffff800016343cd0 x28: ffff000800c1e200 <4>[ 134.118314] x27: 0000000000000000 x26: 0000000000000000 <4>[ 134.123916] x25: ffff8000114db328 x24: ffff800016343e20 <4>[ 134.129518] x23: 000000000000001f x22: ffff00080499a000 <4>[ 134.135119] x21: ffff8000119f0f08 x20: 0000000000000032 <4>[ 134.140721] x19: ffff8000114db658 x18: 0000000000000006 <4>[ 134.146322] x17: 0000000000000100 x16: 0000000000000000 <4>[ 134.151924] x15: ffff8000163437e0 x14: ffff80009634399a <4>[ 134.157525] x13: ffff8000163439a3 x12: 0000000000000038 <4>[ 134.163126] x11: 0000000000000030 x10: 0000000000001440 <4>[ 134.168728] x9 : ffff80001012b978 x8 : ffff000800c1f6a0 <4>[ 134.174330] x7 : ffff000807d07600 x6 : ffff800012575000 <4>[ 134.179931] x5 : ffff800012575c88 x4 : ffff00097ef6ec68 <4>[ 134.185533] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 134.191134] x1 : 0000000000000000 x0 : ffff000800c1e200 <4>[ 134.196736] Call trace: <4>[ 134.199456] refcount_warn_saturate+0xf4/0x144 <4>[ 134.204181] __refcount_sub_and_test.constprop.0+0x70/0x80 <4>[ 134.209950] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x44/0x8c <4>[ 134.215802] lkdtm_do_action+0x24/0x40 <4>[ 134.219827] direct_entry+0xc8/0x130 <4>[ 134.223678] full_proxy_write+0x68/0xbc <4>[ 134.227790] vfs_write+0xec/0x22c <4>[ 134.231379] ksys_write+0x78/0x110 <4>[ 134.235055] __arm64_sys_write+0x24/0x30 <4>[ 134.239256] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 134.244325] do_el0_svc+0x2c/0xa4 <4>[ 134.247914] el0_svc+0x20/0x30 <4>[ 134.251242] el0_sync_handler+0xe8/0x114 <4>[ 134.255440] el0_sync+0x180/0x1c0 <4>[ 134.259026] irq event stamp: 0 <4>[ 134.262356] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 134.268908] hardirqs last disabled at (0): [] copy_process+0x5f4/0x1df4 <4>[ 134.277373] softirqs last enabled at (0): [] copy_process+0x5f4/0x1df4 <4>[ 134.285835] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 134.292379] ---[ end trace 2596aaebce7b33cf ]--- <6>[ 134.297572] lkdtm: Negative detected: saturated # [ 134.033952] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 134.041089] lkdtm: attempting bad refcount_sub_and_test() below zero # [ 134.047774] ------------[ cut here ]------------ # [ 134.052716] refcount_t: underflow; use-after-free. # [ 134.057970] WARNING: CPU: 3 PID: 2440 at lib/refcount.c:28 refcount_warn_saturate+0xf4/0x144 # [ 134.066693] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 134.078480] CPU: 3 PID: 2440 Comm: cat Tainted: G D W 5.10.224-cip52 #1 # [ 134.086504] Hardware name: ARM Juno development board (r0) (DT) # [ 134.092705] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 134.098992] pc : refcount_warn_saturate+0xf4/0x144 # [ 134.104061] lr : refcount_warn_saturate+0xf4/0x144 # [ 134.109126] sp : ffff800016343cd0 # [ 134.112712] x29: ffff800016343cd0 x28: ffff000800c1e200 # [ 134.118314] x27: 0000000000000000 x26: 0000000000000000 # [ 134.123916] x25: ffff8000114db328 x24: ffff800016343e20 # [ 134.129518] x23: 000000000000001f x22: ffff00080499a000 # [ 134.135119] x21: ffff8000119f0f08 x20: 0000000000000032 # [ 134.140721] x19: ffff8000114db658 x18: 0000000000000006 # [ 134.146322] x17: 0000000000000100 x16: 0000000000000000 # [ 134.151924] x15: ffff8000163437e0 x14: ffff80009634399a # [ 134.157525] x13: ffff8000163439a3 x12: 0000000000000038 # [ 134.163126] x11: 0000000000000030 x10: 0000000000001440 # [ 134.168728] x9 : ffff80001012b978 x8 : ffff000800c1f6a0 # [ 134.174330] x7 : ffff000807d07600 x6 : ffff800012575000 # [ 134.179931] x5 : ffff800012575c88 x4 : ffff00097ef6ec68 # [ 134.185533] x3 : 0000000000000000 x2 : 0000000000000000 # [ 134.191134] x1 : 0000000000000000 x0 : ffff000800c1e200 # [ 134.196736] Call trace: # [ 134.199456] refcount_warn_saturate+0xf4/0x144 # [ 134.204181] __refcount_sub_and_test.constprop.0+0x70/0x80 # [ 134.209950] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x44/0x8c # [ 134.215802] lkdtm_do_action+0x24/0x40 # [ 134.219827] direct_entry+0xc8/0x130 # [ 134.223678] full_proxy_write+0x68/0xbc # [ 134.227790] vfs_write+0xec/0x22c # [ 134.231379] ksys_write+0x78/0x110 # [ 134.235055] __arm64_sys_write+0x24/0x30 # [ 134.239256] el0_svc_common.constprop.0+0x84/0x1e0 # [ 134.244325] do_el0_svc+0x2c/0xa4 # [ 134.247914] el0_svc+0x20/0x30 # [ 134.251242] el0_sync_handler+0xe8/0x114 # [ 134.255440] el0_sync+0x180/0x1c0 # [ 134.259026] irq event stamp: 0 # [ 134.262356] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 134.268908] hardirqs last disabled at (0): [] copy_process+0x5f4/0x1df4 # [ 134.277373] softirqs last enabled at (0): [] copy_process+0x5f4/0x1df4 # [ 134.285835] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 134.292379] ---[ end trace 2596aaebce7b33cf ]--- # [ 134.297572] 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>[ 134.817667] lkdtm: Performing direct entry REFCOUNT_INC_ZERO <6>[ 134.823684] lkdtm: attempting safe refcount_inc_not_zero() from zero <6>[ 134.830438] lkdtm: Good: zero detected <6>[ 134.834533] lkdtm: Correctly stayed at zero <6>[ 134.839243] lkdtm: attempting bad refcount_inc() from zero <4>[ 134.845056] ------------[ cut here ]------------ <4>[ 134.850014] refcount_t: addition on 0; use-after-free. <4>[ 134.855566] WARNING: CPU: 2 PID: 2473 at lib/refcount.c:25 refcount_warn_saturate+0xc8/0x144 <4>[ 134.864283] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 134.876035] CPU: 2 PID: 2473 Comm: cat Tainted: G D W 5.10.224-cip52 #1 <4>[ 134.884055] Hardware name: ARM Juno development board (r0) (DT) <4>[ 134.890250] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 134.896531] pc : refcount_warn_saturate+0xc8/0x144 <4>[ 134.901593] lr : refcount_warn_saturate+0xc8/0x144 <4>[ 134.906653] sp : ffff80001612bcd0 <4>[ 134.910234] x29: ffff80001612bcd0 x28: ffff0008040d0000 <4>[ 134.915828] x27: 0000000000000000 x26: 0000000000000000 <4>[ 134.921422] x25: ffff8000114db328 x24: ffff80001612be20 <4>[ 134.927015] x23: 0000000000000012 x22: ffff00080749d000 <4>[ 134.932608] x21: ffff8000119f0f28 x20: 0000000000000033 <4>[ 134.938200] x19: ffff8000114db668 x18: 0000000000000006 <4>[ 134.943793] x17: 0000000000000000 x16: 0000000000000000 <4>[ 134.949385] x15: ffff80001612b7e0 x14: ffff80009612b99a <4>[ 134.954978] x13: ffff80001612b9a2 x12: 0000000000000bd7 <4>[ 134.960570] x11: 071c71c71c71c71c x10: 0000000000001440 <4>[ 134.966162] x9 : ffff80001012b978 x8 : ffff0008040d14a0 <4>[ 134.971755] x7 : 0000000000000002 x6 : ffff800012575000 <4>[ 134.977347] x5 : ffff800012575c88 x4 : ffff00097ef4cc68 <4>[ 134.982940] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 134.988532] x1 : 0000000000000000 x0 : ffff0008040d0000 <4>[ 134.994124] Call trace: <4>[ 134.996839] refcount_warn_saturate+0xc8/0x144 <4>[ 135.001557] __refcount_add.constprop.0+0x60/0x80 <4>[ 135.006536] lkdtm_REFCOUNT_INC_ZERO+0xa0/0xd0 <4>[ 135.011252] lkdtm_do_action+0x24/0x40 <4>[ 135.015270] direct_entry+0xc8/0x130 <4>[ 135.019116] full_proxy_write+0x68/0xbc <4>[ 135.023222] vfs_write+0xec/0x22c <4>[ 135.026804] ksys_write+0x78/0x110 <4>[ 135.030474] __arm64_sys_write+0x24/0x30 <4>[ 135.034669] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 135.039732] do_el0_svc+0x2c/0xa4 <4>[ 135.043315] el0_svc+0x20/0x30 <4>[ 135.046637] el0_sync_handler+0xe8/0x114 <4>[ 135.050829] el0_sync+0x180/0x1c0 <4>[ 135.054410] irq event stamp: 0 <4>[ 135.057734] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 135.064279] hardirqs last disabled at (0): [] copy_process+0x5f4/0x1df4 <4>[ 135.072738] softirqs last enabled at (0): [] copy_process+0x5f4/0x1df4 <4>[ 135.081193] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 135.087734] ---[ end trace 2596aaebce7b33d0 ]--- <6>[ 135.092750] lkdtm: Zero detected: saturated # [ 134.817667] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 134.823684] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 134.830438] lkdtm: Good: zero detected # [ 134.834533] lkdtm: Correctly stayed at zero # [ 134.839243] lkdtm: attempting bad refcount_inc() from zero # [ 134.845056] ------------[ cut here ]------------ # [ 134.850014] refcount_t: addition on 0; use-after-free. # [ 134.855566] WARNING: CPU: 2 PID: 2473 at lib/refcount.c:25 refcount_warn_saturate+0xc8/0x144 # [ 134.864283] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 134.876035] CPU: 2 PID: 2473 Comm: cat Tainted: G D W 5.10.224-cip52 #1 # [ 134.884055] Hardware name: ARM Juno development board (r0) (DT) # [ 134.890250] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 134.896531] pc : refcount_warn_saturate+0xc8/0x144 # [ 134.901593] lr : refcount_warn_saturate+0xc8/0x144 # [ 134.906653] sp : ffff80001612bcd0 # [ 134.910234] x29: ffff80001612bcd0 x28: ffff0008040d0000 # [ 134.915828] x27: 0000000000000000 x26: 0000000000000000 # [ 134.921422] x25: ffff8000114db328 x24: ffff80001612be20 # [ 134.927015] x23: 0000000000000012 x22: ffff00080749d000 # [ 134.932608] x21: ffff8000119f0f28 x20: 0000000000000033 # [ 134.938200] x19: ffff8000114db668 x18: 0000000000000006 # [ 134.943793] x17: 0000000000000000 x16: 0000000000000000 # [ 134.949385] x15: ffff80001612b7e0 x14: ffff80009612b99a # [ 134.954978] x13: ffff80001612b9a2 x12: 0000000000000bd7 # [ 134.960570] x11: 071c71c71c71c71c x10: 0000000000001440 # [ 134.966162] x9 : ffff80001012b978 x8 : ffff0008040d14a0 # [ 134.971755] x7 : 0000000000000002 x6 : ffff800012575000 # [ 134.977347] x5 : ffff800012575c88 x4 : ffff00097ef4cc68 # [ 134.982940] x3 : 0000000000000000 x2 : 0000000000000000 # [ 134.988532] x1 : 0000000000000000 x0 : ffff0008040d0000 # [ 134.994124] Call trace: # [ 134.996839] refcount_warn_saturate+0xc8/0x144 # [ 135.001557] __refcount_add.constprop.0+0x60/0x80 # [ 135.006536] lkdtm_REFCOUNT_INC_ZERO+0xa0/0xd0 # [ 135.011252] lkdtm_do_action+0x24/0x40 # [ 135.015270] direct_entry+0xc8/0x130 # [ 135.019116] full_proxy_write+0x68/0xbc # [ 135.023222] vfs_write+0xec/0x22c # [ 135.026804] ksys_write+0x78/0x110 # [ 135.030474] __arm64_sys_write+0x24/0x30 # [ 135.034669] el0_svc_common.constprop.0+0x84/0x1e0 # [ 135.039732] do_el0_svc+0x2c/0xa4 # [ 135.043315] el0_svc+0x20/0x30 # [ 135.046637] el0_sync_handler+0xe8/0x114 # [ 135.050829] el0_sync+0x180/0x1c0 # [ 135.054410] irq event stamp: 0 # [ 135.057734] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 135.064279] hardirqs last disabled at (0): [] copy_process+0x5f4/0x1df4 # [ 135.072738] softirqs last enabled at (0): [] copy_process+0x5f4/0x1df4 # [ 135.081193] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 135.087734] ---[ end trace 2596aaebce7b33d0 ]--- # [ 135.092750] 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>[ 135.565564] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO <6>[ 135.571558] lkdtm: attempting safe refcount_add_not_zero() from zero <6>[ 135.578245] lkdtm: Good: zero detected <6>[ 135.582315] lkdtm: Correctly stayed at zero <6>[ 135.586826] lkdtm: attempting bad refcount_add() from zero <4>[ 135.592768] ------------[ cut here ]------------ <4>[ 135.597741] refcount_t: addition on 0; use-after-free. <4>[ 135.603347] WARNING: CPU: 1 PID: 2506 at lib/refcount.c:25 refcount_warn_saturate+0xc8/0x144 <4>[ 135.612068] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 135.623824] CPU: 1 PID: 2506 Comm: cat Tainted: G D W 5.10.224-cip52 #1 <4>[ 135.631849] Hardware name: ARM Juno development board (r0) (DT) <4>[ 135.638045] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 135.644327] pc : refcount_warn_saturate+0xc8/0x144 <4>[ 135.649390] lr : refcount_warn_saturate+0xc8/0x144 <4>[ 135.654450] sp : ffff800016463cd0 <4>[ 135.658031] x29: ffff800016463cd0 x28: ffff000804c1b100 <4>[ 135.663625] x27: 0000000000000000 x26: 0000000000000000 <4>[ 135.669219] x25: ffff8000114db328 x24: ffff800016463e20 <4>[ 135.674811] x23: 0000000000000012 x22: ffff0008040fb000 <4>[ 135.680404] x21: ffff8000119f0f40 x20: 0000000000000034 <4>[ 135.685996] x19: ffff8000114db678 x18: 000000000000001d <4>[ 135.691588] x17: 0000000000000002 x16: 0000000000000000 <4>[ 135.697180] x15: 0000000000000001 x14: 000000000000003c <4>[ 135.702773] x13: 000000000000001d x12: 000891b9b2f7960e <4>[ 135.708365] x11: 000000000008c1c3 x10: 0000000000001440 <4>[ 135.713958] x9 : ffff80001012b978 x8 : ffff000804c1c5a0 <4>[ 135.719550] x7 : 0000000000000001 x6 : ffff800012575000 <4>[ 135.725142] x5 : ffff800012575c88 x4 : ffff00097ef2ac68 <4>[ 135.730734] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 135.736326] x1 : 0000000000000000 x0 : ffff000804c1b100 <4>[ 135.741919] Call trace: <4>[ 135.744632] refcount_warn_saturate+0xc8/0x144 <4>[ 135.749352] __refcount_add.constprop.0+0x60/0x80 <4>[ 135.754330] lkdtm_REFCOUNT_ADD_ZERO+0xa0/0xd0 <4>[ 135.759045] lkdtm_do_action+0x24/0x40 <4>[ 135.763064] direct_entry+0xc8/0x130 <4>[ 135.766909] full_proxy_write+0x68/0xbc <4>[ 135.771016] vfs_write+0xec/0x22c <4>[ 135.774599] ksys_write+0x78/0x110 <4>[ 135.778268] __arm64_sys_write+0x24/0x30 <4>[ 135.782464] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 135.787527] do_el0_svc+0x2c/0xa4 <4>[ 135.791110] el0_svc+0x20/0x30 <4>[ 135.794432] el0_sync_handler+0xe8/0x114 <4>[ 135.798624] el0_sync+0x180/0x1c0 <4>[ 135.802205] irq event stamp: 0 <4>[ 135.805529] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 135.812075] hardirqs last disabled at (0): [] copy_process+0x5f4/0x1df4 <4>[ 135.820533] softirqs last enabled at (0): [] copy_process+0x5f4/0x1df4 <4>[ 135.828989] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 135.835529] ---[ end trace 2596aaebce7b33d1 ]--- <6>[ 135.840553] lkdtm: Zero detected: saturated # [ 135.565564] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 135.571558] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 135.578245] lkdtm: Good: zero detected # [ 135.582315] lkdtm: Correctly stayed at zero # [ 135.586826] lkdtm: attempting bad refcount_add() from zero # [ 135.592768] ------------[ cut here ]------------ # [ 135.597741] refcount_t: addition on 0; use-after-free. # [ 135.603347] WARNING: CPU: 1 PID: 2506 at lib/refcount.c:25 refcount_warn_saturate+0xc8/0x144 # [ 135.612068] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 135.623824] CPU: 1 PID: 2506 Comm: cat Tainted: G D W 5.10.224-cip52 #1 # [ 135.631849] Hardware name: ARM Juno development board (r0) (DT) # [ 135.638045] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 135.644327] pc : refcount_warn_saturate+0xc8/0x144 # [ 135.649390] lr : refcount_warn_saturate+0xc8/0x144 # [ 135.654450] sp : ffff800016463cd0 # [ 135.658031] x29: ffff800016463cd0 x28: ffff000804c1b100 # [ 135.663625] x27: 0000000000000000 x26: 0000000000000000 # [ 135.669219] x25: ffff8000114db328 x24: ffff800016463e20 # [ 135.674811] x23: 0000000000000012 x22: ffff0008040fb000 # [ 135.680404] x21: ffff8000119f0f40 x20: 0000000000000034 # [ 135.685996] x19: ffff8000114db678 x18: 000000000000001d # [ 135.691588] x17: 0000000000000002 x16: 0000000000000000 # [ 135.697180] x15: 0000000000000001 x14: 000000000000003c # [ 135.702773] x13: 000000000000001d x12: 000891b9b2f7960e # [ 135.708365] x11: 000000000008c1c3 x10: 0000000000001440 # [ 135.713958] x9 : ffff80001012b978 x8 : ffff000804c1c5a0 # [ 135.719550] x7 : 0000000000000001 x6 : ffff800012575000 # [ 135.725142] x5 : ffff800012575c88 x4 : ffff00097ef2ac68 # [ 135.730734] x3 : 0000000000000000 x2 : 0000000000000000 # [ 135.736326] x1 : 0000000000000000 x0 : ffff000804c1b100 # [ 135.741919] Call trace: # [ 135.744632] refcount_warn_saturate+0xc8/0x144 # [ 135.749352] __refcount_add.constprop.0+0x60/0x80 # [ 135.754330] lkdtm_REFCOUNT_ADD_ZERO+0xa0/0xd0 # [ 135.759045] lkdtm_do_action+0x24/0x40 # [ 135.763064] direct_entry+0xc8/0x130 # [ 135.766909] full_proxy_write+0x68/0xbc # [ 135.771016] vfs_write+0xec/0x22c # [ 135.774599] ksys_write+0x78/0x110 # [ 135.778268] __arm64_sys_write+0x24/0x30 # [ 135.782464] el0_svc_common.constprop.0+0x84/0x1e0 # [ 135.787527] do_el0_svc+0x2c/0xa4 # [ 135.791110] el0_svc+0x20/0x30 # [ 135.794432] el0_sync_handler+0xe8/0x114 # [ 135.798624] el0_sync+0x180/0x1c0 # [ 135.802205] irq event stamp: 0 # [ 135.805529] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 135.812075] hardirqs last disabled at (0): [] copy_process+0x5f4/0x1df4 # [ 135.820533] softirqs last enabled at (0): [] copy_process+0x5f4/0x1df4 # [ 135.828989] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 135.835529] ---[ end trace 2596aaebce7b33d1 ]--- # [ 135.840553] 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>[ 136.374363] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED <6>[ 136.380804] lkdtm: attempting bad refcount_inc() from saturated <4>[ 136.387064] ------------[ cut here ]------------ <4>[ 136.392007] refcount_t: saturated; leaking memory. <4>[ 136.397265] WARNING: CPU: 5 PID: 2542 at lib/refcount.c:22 refcount_warn_saturate+0x74/0x144 <4>[ 136.405988] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 136.417772] CPU: 5 PID: 2542 Comm: cat Tainted: G D W 5.10.224-cip52 #1 <4>[ 136.425796] Hardware name: ARM Juno development board (r0) (DT) <4>[ 136.431997] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 136.438285] pc : refcount_warn_saturate+0x74/0x144 <4>[ 136.443354] lr : refcount_warn_saturate+0x74/0x144 <4>[ 136.448419] sp : ffff8000164ebcd0 <4>[ 136.452005] x29: ffff8000164ebcd0 x28: ffff00080080c980 <4>[ 136.457607] x27: 0000000000000000 x26: 0000000000000000 <4>[ 136.463209] x25: ffff8000114db328 x24: ffff8000164ebe20 <4>[ 136.468810] x23: 0000000000000017 x22: ffff000803cf6000 <4>[ 136.474412] x21: ffff8000119f0f58 x20: 0000000000000035 <4>[ 136.480014] x19: ffff8000114db688 x18: 0000000000000006 <4>[ 136.485616] x17: 0000000000000100 x16: 0000000000000000 <4>[ 136.491217] x15: ffff8000164eb7e0 x14: ffff8000964eb99a <4>[ 136.496819] x13: ffff8000164eb9a2 x12: 0000000000000038 <4>[ 136.502420] x11: 0000000000000030 x10: 0000000000001440 <4>[ 136.508022] x9 : ffff80001012b978 x8 : ffff00080080de20 <4>[ 136.513623] x7 : ffff000807d07400 x6 : ffff800012575000 <4>[ 136.519225] x5 : ffff800012575c88 x4 : ffff00097efb2c68 <4>[ 136.524826] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 136.530427] x1 : 0000000000000000 x0 : ffff00080080c980 <4>[ 136.536028] Call trace: <4>[ 136.538748] refcount_warn_saturate+0x74/0x144 <4>[ 136.543473] __refcount_add.constprop.0+0x74/0x80 <4>[ 136.548457] lkdtm_REFCOUNT_INC_SATURATED+0x44/0x74 <4>[ 136.553613] lkdtm_do_action+0x24/0x40 <4>[ 136.557637] direct_entry+0xc8/0x130 <4>[ 136.561488] full_proxy_write+0x68/0xbc <4>[ 136.565601] vfs_write+0xec/0x22c <4>[ 136.569190] ksys_write+0x78/0x110 <4>[ 136.572865] __arm64_sys_write+0x24/0x30 <4>[ 136.577067] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 136.582135] do_el0_svc+0x2c/0xa4 <4>[ 136.585724] el0_svc+0x20/0x30 <4>[ 136.589052] el0_sync_handler+0xe8/0x114 <4>[ 136.593250] el0_sync+0x180/0x1c0 <4>[ 136.596837] irq event stamp: 0 <4>[ 136.600168] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 136.606720] hardirqs last disabled at (0): [] copy_process+0x5f4/0x1df4 <4>[ 136.615184] softirqs last enabled at (0): [] copy_process+0x5f4/0x1df4 <4>[ 136.623646] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 136.630190] ---[ end trace 2596aaebce7b33d2 ]--- <6>[ 136.635269] lkdtm: Saturation detected: still saturated # [ 136.374363] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 136.380804] lkdtm: attempting bad refcount_inc() from saturated # [ 136.387064] ------------[ cut here ]------------ # [ 136.392007] refcount_t: saturated; leaking memory. # [ 136.397265] WARNING: CPU: 5 PID: 2542 at lib/refcount.c:22 refcount_warn_saturate+0x74/0x144 # [ 136.405988] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 136.417772] CPU: 5 PID: 2542 Comm: cat Tainted: G D W 5.10.224-cip52 #1 # [ 136.425796] Hardware name: ARM Juno development board (r0) (DT) # [ 136.431997] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 136.438285] pc : refcount_warn_saturate+0x74/0x144 # [ 136.443354] lr : refcount_warn_saturate+0x74/0x144 # [ 136.448419] sp : ffff8000164ebcd0 # [ 136.452005] x29: ffff8000164ebcd0 x28: ffff00080080c980 # [ 136.457607] x27: 0000000000000000 x26: 0000000000000000 # [ 136.463209] x25: ffff8000114db328 x24: ffff8000164ebe20 # [ 136.468810] x23: 0000000000000017 x22: ffff000803cf6000 # [ 136.474412] x21: ffff8000119f0f58 x20: 0000000000000035 # [ 136.480014] x19: ffff8000114db688 x18: 0000000000000006 # [ 136.485616] x17: 0000000000000100 x16: 0000000000000000 # [ 136.491217] x15: ffff8000164eb7e0 x14: ffff8000964eb99a # [ 136.496819] x13: ffff8000164eb9a2 x12: 0000000000000038 # [ 136.502420] x11: 0000000000000030 x10: 0000000000001440 # [ 136.508022] x9 : ffff80001012b978 x8 : ffff00080080de20 # [ 136.513623] x7 : ffff000807d07400 x6 : ffff800012575000 # [ 136.519225] x5 : ffff800012575c88 x4 : ffff00097efb2c68 # [ 136.524826] x3 : 0000000000000000 x2 : 0000000000000000 # [ 136.530427] x1 : 0000000000000000 x0 : ffff00080080c980 # [ 136.536028] Call trace: # [ 136.538748] refcount_warn_saturate+0x74/0x144 # [ 136.543473] __refcount_add.constprop.0+0x74/0x80 # [ 136.548457] lkdtm_REFCOUNT_INC_SATURATED+0x44/0x74 # [ 136.553613] lkdtm_do_action+0x24/0x40 # [ 136.557637] direct_entry+0xc8/0x130 # [ 136.561488] full_proxy_write+0x68/0xbc # [ 136.565601] vfs_write+0xec/0x22c # [ 136.569190] ksys_write+0x78/0x110 # [ 136.572865] __arm64_sys_write+0x24/0x30 # [ 136.577067] el0_svc_common.constprop.0+0x84/0x1e0 # [ 136.582135] do_el0_svc+0x2c/0xa4 # [ 136.585724] el0_svc+0x20/0x30 # [ 136.589052] el0_sync_handler+0xe8/0x114 # [ 136.593250] el0_sync+0x180/0x1c0 # [ 136.596837] irq event stamp: 0 # [ 136.600168] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 136.606720] hardirqs last disabled at (0): [] copy_process+0x5f4/0x1df4 # [ 136.615184] softirqs last enabled at (0): [] copy_process+0x5f4/0x1df4 # [ 136.623646] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 136.630190] ---[ end trace 2596aaebce7b33d2 ]--- # [ 136.635269] 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>[ 137.133701] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED <6>[ 137.140141] lkdtm: attempting bad refcount_dec() from saturated <4>[ 137.146402] ------------[ cut here ]------------ <4>[ 137.151347] refcount_t: decrement hit 0; leaking memory. <4>[ 137.157132] WARNING: CPU: 4 PID: 2578 at lib/refcount.c:31 refcount_warn_saturate+0x13c/0x144 <4>[ 137.165942] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 137.177727] CPU: 4 PID: 2578 Comm: cat Tainted: G D W 5.10.224-cip52 #1 <4>[ 137.185751] Hardware name: ARM Juno development board (r0) (DT) <4>[ 137.191952] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 137.198241] pc : refcount_warn_saturate+0x13c/0x144 <4>[ 137.203397] lr : refcount_warn_saturate+0x13c/0x144 <4>[ 137.208549] sp : ffff80001658bcc0 <4>[ 137.212134] x29: ffff80001658bcc0 x28: ffff000806c88000 <4>[ 137.217737] x27: 0000000000000000 x26: 0000000000000000 <4>[ 137.223338] x25: ffff8000114db328 x24: ffff80001658be20 <4>[ 137.228940] x23: 0000000000000017 x22: ffff000802874000 <4>[ 137.234542] x21: ffff8000119f0f70 x20: 0000000000000036 <4>[ 137.240144] x19: ffff80001658bd04 x18: 0000000000000006 <4>[ 137.245746] x17: 0000000000000100 x16: 0000000000000000 <4>[ 137.251347] x15: ffff80001658b7d0 x14: ffff80009658b98a <4>[ 137.256949] x13: ffff80001658b992 x12: 0000000000000038 <4>[ 137.262551] x11: 0000000000000030 x10: 0000000000001440 <4>[ 137.268152] x9 : ffff80001012b978 x8 : ffff000806c894a0 <4>[ 137.273754] x7 : ffff000807d07200 x6 : ffff800012575000 <4>[ 137.279356] x5 : ffff800012575c88 x4 : ffff00097ef90c68 <4>[ 137.284957] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 137.290559] x1 : 0000000000000000 x0 : ffff000806c88000 <4>[ 137.296161] Call trace: <4>[ 137.298880] refcount_warn_saturate+0x13c/0x144 <4>[ 137.303692] __refcount_dec.constprop.0+0x5c/0x6c <4>[ 137.308675] lkdtm_REFCOUNT_DEC_SATURATED+0x40/0x70 <4>[ 137.313833] lkdtm_do_action+0x24/0x40 <4>[ 137.317858] direct_entry+0xc8/0x130 <4>[ 137.321709] full_proxy_write+0x68/0xbc <4>[ 137.325822] vfs_write+0xec/0x22c <4>[ 137.329410] ksys_write+0x78/0x110 <4>[ 137.333086] __arm64_sys_write+0x24/0x30 <4>[ 137.337287] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 137.342357] do_el0_svc+0x2c/0xa4 <4>[ 137.345946] el0_svc+0x20/0x30 <4>[ 137.349274] el0_sync_handler+0xe8/0x114 <4>[ 137.353472] el0_sync+0x180/0x1c0 <4>[ 137.357058] irq event stamp: 0 <4>[ 137.360387] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 137.366940] hardirqs last disabled at (0): [] copy_process+0x5f4/0x1df4 <4>[ 137.375404] softirqs last enabled at (0): [] copy_process+0x5f4/0x1df4 <4>[ 137.383866] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 137.390411] ---[ end trace 2596aaebce7b33d3 ]--- <6>[ 137.395607] lkdtm: Saturation detected: still saturated # [ 137.133701] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 137.140141] lkdtm: attempting bad refcount_dec() from saturated # [ 137.146402] ------------[ cut here ]------------ # [ 137.151347] refcount_t: decrement hit 0; leaking memory. # [ 137.157132] WARNING: CPU: 4 PID: 2578 at lib/refcount.c:31 refcount_warn_saturate+0x13c/0x144 # [ 137.165942] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 137.177727] CPU: 4 PID: 2578 Comm: cat Tainted: G D W 5.10.224-cip52 #1 # [ 137.185751] Hardware name: ARM Juno development board (r0) (DT) # [ 137.191952] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 137.198241] pc : refcount_warn_saturate+0x13c/0x144 # [ 137.203397] lr : refcount_warn_saturate+0x13c/0x144 # [ 137.208549] sp : ffff80001658bcc0 # [ 137.212134] x29: ffff80001658bcc0 x28: ffff000806c88000 # [ 137.217737] x27: 0000000000000000 x26: 0000000000000000 # [ 137.223338] x25: ffff8000114db328 x24: ffff80001658be20 # [ 137.228940] x23: 0000000000000017 x22: ffff000802874000 # [ 137.234542] x21: ffff8000119f0f70 x20: 0000000000000036 # [ 137.240144] x19: ffff80001658bd04 x18: 0000000000000006 # [ 137.245746] x17: 0000000000000100 x16: 0000000000000000 # [ 137.251347] x15: ffff80001658b7d0 x14: ffff80009658b98a # [ 137.256949] x13: ffff80001658b992 x12: 0000000000000038 # [ 137.262551] x11: 0000000000000030 x10: 0000000000001440 # [ 137.268152] x9 : ffff80001012b978 x8 : ffff000806c894a0 # [ 137.273754] x7 : ffff000807d07200 x6 : ffff800012575000 # [ 137.279356] x5 : ffff800012575c88 x4 : ffff00097ef90c68 # [ 137.284957] x3 : 0000000000000000 x2 : 0000000000000000 # [ 137.290559] x1 : 0000000000000000 x0 : ffff000806c88000 # [ 137.296161] Call trace: # [ 137.298880] refcount_warn_saturate+0x13c/0x144 # [ 137.303692] __refcount_dec.constprop.0+0x5c/0x6c # [ 137.308675] lkdtm_REFCOUNT_DEC_SATURATED+0x40/0x70 # [ 137.313833] lkdtm_do_action+0x24/0x40 # [ 137.317858] direct_entry+0xc8/0x130 # [ 137.321709] full_proxy_write+0x68/0xbc # [ 137.325822] vfs_write+0xec/0x22c # [ 137.329410] ksys_write+0x78/0x110 # [ 137.333086] __arm64_sys_write+0x24/0x30 # [ 137.337287] el0_svc_common.constprop.0+0x84/0x1e0 # [ 137.342357] do_el0_svc+0x2c/0xa4 # [ 137.345946] el0_svc+0x20/0x30 # [ 137.349274] el0_sync_handler+0xe8/0x114 # [ 137.353472] el0_sync+0x180/0x1c0 # [ 137.357058] irq event stamp: 0 # [ 137.360387] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 137.366940] hardirqs last disabled at (0): [] copy_process+0x5f4/0x1df4 # [ 137.375404] softirqs last enabled at (0): [] copy_process+0x5f4/0x1df4 # [ 137.383866] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 137.390411] ---[ end trace 2596aaebce7b33d3 ]--- # [ 137.395607] 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>[ 137.876802] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED <6>[ 137.883332] lkdtm: attempting bad refcount_dec() from saturated <4>[ 137.889686] ------------[ cut here ]------------ <4>[ 137.894664] refcount_t: saturated; leaking memory. <4>[ 137.900032] WARNING: CPU: 4 PID: 2614 at lib/refcount.c:22 refcount_warn_saturate+0x74/0x144 <4>[ 137.908754] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 137.920539] CPU: 4 PID: 2614 Comm: cat Tainted: G D W 5.10.224-cip52 #1 <4>[ 137.928563] Hardware name: ARM Juno development board (r0) (DT) <4>[ 137.934764] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 137.941053] pc : refcount_warn_saturate+0x74/0x144 <4>[ 137.946121] lr : refcount_warn_saturate+0x74/0x144 <4>[ 137.951185] sp : ffff80001661bcd0 <4>[ 137.954771] x29: ffff80001661bcd0 x28: ffff0008008fc980 <4>[ 137.960373] x27: 0000000000000000 x26: 0000000000000000 <4>[ 137.965975] x25: ffff8000114db328 x24: ffff80001661be20 <4>[ 137.971576] x23: 0000000000000017 x22: ffff000805963000 <4>[ 137.977179] x21: ffff8000119f0f88 x20: 0000000000000037 <4>[ 137.982780] x19: ffff8000114db6a8 x18: 0000000000000006 <4>[ 137.988382] x17: 0000000000000100 x16: 0000000000000000 <4>[ 137.993983] x15: ffff80001661b7e0 x14: ffff80009661b99a <4>[ 137.999585] x13: ffff80001661b9a2 x12: 0000000000000038 <4>[ 138.005186] x11: 0000000000000030 x10: ffff8000125fbfa8 <4>[ 138.010787] x9 : ffff80001012b978 x8 : 00000000ffffefff <4>[ 138.016388] x7 : ffff8000125fbfa8 x6 : ffff800012575000 <4>[ 138.021990] x5 : ffff800012575c88 x4 : ffff00097ef90c68 <4>[ 138.027592] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 138.033193] x1 : 0000000000000000 x0 : ffff0008008fc980 <4>[ 138.038794] Call trace: <4>[ 138.041514] refcount_warn_saturate+0x74/0x144 <4>[ 138.046239] __refcount_add.constprop.0+0x74/0x80 <4>[ 138.051223] lkdtm_REFCOUNT_ADD_SATURATED+0x44/0x74 <4>[ 138.056380] lkdtm_do_action+0x24/0x40 <4>[ 138.060404] direct_entry+0xc8/0x130 <4>[ 138.064255] full_proxy_write+0x68/0xbc <4>[ 138.068367] vfs_write+0xec/0x22c <4>[ 138.071956] ksys_write+0x78/0x110 <4>[ 138.075631] __arm64_sys_write+0x24/0x30 <4>[ 138.079832] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 138.084901] do_el0_svc+0x2c/0xa4 <4>[ 138.088490] el0_svc+0x20/0x30 <4>[ 138.091819] el0_sync_handler+0xe8/0x114 <4>[ 138.096017] el0_sync+0x180/0x1c0 <4>[ 138.099602] irq event stamp: 0 <4>[ 138.102933] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 138.109484] hardirqs last disabled at (0): [] copy_process+0x5f4/0x1df4 <4>[ 138.117949] softirqs last enabled at (0): [] copy_process+0x5f4/0x1df4 <4>[ 138.126411] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 138.132955] ---[ end trace 2596aaebce7b33d4 ]--- <6>[ 138.138048] lkdtm: Saturation detected: still saturated # [ 137.876802] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 137.883332] lkdtm: attempting bad refcount_dec() from saturated # [ 137.889686] ------------[ cut here ]------------ # [ 137.894664] refcount_t: saturated; leaking memory. # [ 137.900032] WARNING: CPU: 4 PID: 2614 at lib/refcount.c:22 refcount_warn_saturate+0x74/0x144 # [ 137.908754] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 137.920539] CPU: 4 PID: 2614 Comm: cat Tainted: G D W 5.10.224-cip52 #1 # [ 137.928563] Hardware name: ARM Juno development board (r0) (DT) # [ 137.934764] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 137.941053] pc : refcount_warn_saturate+0x74/0x144 # [ 137.946121] lr : refcount_warn_saturate+0x74/0x144 # [ 137.951185] sp : ffff80001661bcd0 # [ 137.954771] x29: ffff80001661bcd0 x28: ffff0008008fc980 # [ 137.960373] x27: 0000000000000000 x26: 0000000000000000 # [ 137.965975] x25: ffff8000114db328 x24: ffff80001661be20 # [ 137.971576] x23: 0000000000000017 x22: ffff000805963000 # [ 137.977179] x21: ffff8000119f0f88 x20: 0000000000000037 # [ 137.982780] x19: ffff8000114db6a8 x18: 0000000000000006 # [ 137.988382] x17: 0000000000000100 x16: 0000000000000000 # [ 137.993983] x15: ffff80001661b7e0 x14: ffff80009661b99a # [ 137.999585] x13: ffff80001661b9a2 x12: 0000000000000038 # [ 138.005186] x11: 0000000000000030 x10: ffff8000125fbfa8 # [ 138.010787] x9 : ffff80001012b978 x8 : 00000000ffffefff # [ 138.016388] x7 : ffff8000125fbfa8 x6 : ffff800012575000 # [ 138.021990] x5 : ffff800012575c88 x4 : ffff00097ef90c68 # [ 138.027592] x3 : 0000000000000000 x2 : 0000000000000000 # [ 138.033193] x1 : 0000000000000000 x0 : ffff0008008fc980 # [ 138.038794] Call trace: # [ 138.041514] refcount_warn_saturate+0x74/0x144 # [ 138.046239] __refcount_add.constprop.0+0x74/0x80 # [ 138.051223] lkdtm_REFCOUNT_ADD_SATURATED+0x44/0x74 # [ 138.056380] lkdtm_do_action+0x24/0x40 # [ 138.060404] direct_entry+0xc8/0x130 # [ 138.064255] full_proxy_write+0x68/0xbc # [ 138.068367] vfs_write+0xec/0x22c # [ 138.071956] ksys_write+0x78/0x110 # [ 138.075631] __arm64_sys_write+0x24/0x30 # [ 138.079832] el0_svc_common.constprop.0+0x84/0x1e0 # [ 138.084901] do_el0_svc+0x2c/0xa4 # [ 138.088490] el0_svc+0x20/0x30 # [ 138.091819] el0_sync_handler+0xe8/0x114 # [ 138.096017] el0_sync+0x180/0x1c0 # [ 138.099602] irq event stamp: 0 # [ 138.102933] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 138.109484] hardirqs last disabled at (0): [] copy_process+0x5f4/0x1df4 # [ 138.117949] softirqs last enabled at (0): [] copy_process+0x5f4/0x1df4 # [ 138.126411] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 138.132955] ---[ end trace 2596aaebce7b33d4 ]--- # [ 138.138048] 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>[ 138.658488] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED <6>[ 138.665714] lkdtm: attempting bad refcount_inc_not_zero() from saturated <4>[ 138.672757] ------------[ cut here ]------------ <4>[ 138.677700] refcount_t: saturated; leaking memory. <4>[ 138.682960] WARNING: CPU: 3 PID: 2647 at lib/refcount.c:19 refcount_warn_saturate+0x9c/0x144 <4>[ 138.691683] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 138.703468] CPU: 3 PID: 2647 Comm: cat Tainted: G D W 5.10.224-cip52 #1 <4>[ 138.711493] Hardware name: ARM Juno development board (r0) (DT) <4>[ 138.717693] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 138.723982] pc : refcount_warn_saturate+0x9c/0x144 <4>[ 138.729050] lr : refcount_warn_saturate+0x9c/0x144 <4>[ 138.734115] sp : ffff80001667bcb0 <4>[ 138.737701] x29: ffff80001667bcb0 x28: ffff000800c1c980 <4>[ 138.743304] x27: 0000000000000000 x26: 0000000000000000 <4>[ 138.748908] x25: ffff8000114db328 x24: ffff80001667be20 <4>[ 138.754510] x23: 0000000000000020 x22: 00000000c0000001 <4>[ 138.760112] x21: 00000000c0000000 x20: 00000000c0000000 <4>[ 138.765713] x19: ffff80001667bd04 x18: 0000000000000006 <4>[ 138.771314] x17: 0000000000000100 x16: 0000000000000000 <4>[ 138.776916] x15: ffff80001667b7c0 x14: ffff80009667b97a <4>[ 138.782519] x13: ffff80001667b982 x12: 0000000000000000 <4>[ 138.788120] x11: 0000000000000038 x10: 0000000000001440 <4>[ 138.793721] x9 : ffff80001012b978 x8 : ffff000800c1de20 <4>[ 138.799323] x7 : ffff000807d07600 x6 : ffff800012575000 <4>[ 138.804924] x5 : ffff800012575c88 x4 : ffff00097ef6ec68 <4>[ 138.810527] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 138.816128] x1 : 0000000000000000 x0 : ffff000800c1c980 <4>[ 138.821730] Call trace: <4>[ 138.824450] refcount_warn_saturate+0x9c/0x144 <4>[ 138.829174] __refcount_add_not_zero.constprop.0+0xa0/0xc0 <4>[ 138.834940] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x44/0x88 <4>[ 138.840882] lkdtm_do_action+0x24/0x40 <4>[ 138.844907] direct_entry+0xc8/0x130 <4>[ 138.848758] full_proxy_write+0x68/0xbc <4>[ 138.852871] vfs_write+0xec/0x22c <4>[ 138.856460] ksys_write+0x78/0x110 <4>[ 138.860136] __arm64_sys_write+0x24/0x30 <4>[ 138.864337] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 138.869406] do_el0_svc+0x2c/0xa4 <4>[ 138.872996] el0_svc+0x20/0x30 <4>[ 138.876323] el0_sync_handler+0xe8/0x114 <4>[ 138.880521] el0_sync+0x180/0x1c0 <4>[ 138.884108] irq event stamp: 0 <4>[ 138.887438] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 138.893990] hardirqs last disabled at (0): [] copy_process+0x5f4/0x1df4 <4>[ 138.902455] softirqs last enabled at (0): [] copy_process+0x5f4/0x1df4 <4>[ 138.910916] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 138.917461] ---[ end trace 2596aaebce7b33d5 ]--- <6>[ 138.922554] lkdtm: Saturation detected: still saturated # [ 138.658488] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 138.665714] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 138.672757] ------------[ cut here ]------------ # [ 138.677700] refcount_t: saturated; leaking memory. # [ 138.682960] WARNING: CPU: 3 PID: 2647 at lib/refcount.c:19 refcount_warn_saturate+0x9c/0x144 # [ 138.691683] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 138.703468] CPU: 3 PID: 2647 Comm: cat Tainted: G D W 5.10.224-cip52 #1 # [ 138.711493] Hardware name: ARM Juno development board (r0) (DT) # [ 138.717693] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 138.723982] pc : refcount_warn_saturate+0x9c/0x144 # [ 138.729050] lr : refcount_warn_saturate+0x9c/0x144 # [ 138.734115] sp : ffff80001667bcb0 # [ 138.737701] x29: ffff80001667bcb0 x28: ffff000800c1c980 # [ 138.743304] x27: 0000000000000000 x26: 0000000000000000 # [ 138.748908] x25: ffff8000114db328 x24: ffff80001667be20 # [ 138.754510] x23: 0000000000000020 x22: 00000000c0000001 # [ 138.760112] x21: 00000000c0000000 x20: 00000000c0000000 # [ 138.765713] x19: ffff80001667bd04 x18: 0000000000000006 # [ 138.771314] x17: 0000000000000100 x16: 0000000000000000 # [ 138.776916] x15: ffff80001667b7c0 x14: ffff80009667b97a # [ 138.782519] x13: ffff80001667b982 x12: 0000000000000000 # [ 138.788120] x11: 0000000000000038 x10: 0000000000001440 # [ 138.793721] x9 : ffff80001012b978 x8 : ffff000800c1de20 # [ 138.799323] x7 : ffff000807d07600 x6 : ffff800012575000 # [ 138.804924] x5 : ffff800012575c88 x4 : ffff00097ef6ec68 # [ 138.810527] x3 : 0000000000000000 x2 : 0000000000000000 # [ 138.816128] x1 : 0000000000000000 x0 : ffff000800c1c980 # [ 138.821730] Call trace: # [ 138.824450] refcount_warn_saturate+0x9c/0x144 # [ 138.829174] __refcount_add_not_zero.constprop.0+0xa0/0xc0 # [ 138.834940] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x44/0x88 # [ 138.840882] lkdtm_do_action+0x24/0x40 # [ 138.844907] direct_entry+0xc8/0x130 # [ 138.848758] full_proxy_write+0x68/0xbc # [ 138.852871] vfs_write+0xec/0x22c # [ 138.856460] ksys_write+0x78/0x110 # [ 138.860136] __arm64_sys_write+0x24/0x30 # [ 138.864337] el0_svc_common.constprop.0+0x84/0x1e0 # [ 138.869406] do_el0_svc+0x2c/0xa4 # [ 138.872996] el0_svc+0x20/0x30 # [ 138.876323] el0_sync_handler+0xe8/0x114 # [ 138.880521] el0_sync+0x180/0x1c0 # [ 138.884108] irq event stamp: 0 # [ 138.887438] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 138.893990] hardirqs last disabled at (0): [] copy_process+0x5f4/0x1df4 # [ 138.902455] softirqs last enabled at (0): [] copy_process+0x5f4/0x1df4 # [ 138.910916] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 138.917461] ---[ end trace 2596aaebce7b33d5 ]--- # [ 138.922554] 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>[ 139.457495] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED <6>[ 139.464718] lkdtm: attempting bad refcount_add_not_zero() from saturated <4>[ 139.471758] ------------[ cut here ]------------ <4>[ 139.476701] refcount_t: saturated; leaking memory. <4>[ 139.481963] WARNING: CPU: 4 PID: 2680 at lib/refcount.c:19 refcount_warn_saturate+0x9c/0x144 <4>[ 139.490686] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 139.502471] CPU: 4 PID: 2680 Comm: cat Tainted: G D W 5.10.224-cip52 #1 <4>[ 139.510495] Hardware name: ARM Juno development board (r0) (DT) <4>[ 139.516696] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 139.522985] pc : refcount_warn_saturate+0x9c/0x144 <4>[ 139.528053] lr : refcount_warn_saturate+0x9c/0x144 <4>[ 139.533118] sp : ffff80001671bcb0 <4>[ 139.536704] x29: ffff80001671bcb0 x28: ffff000807cb0000 <4>[ 139.542307] x27: 0000000000000000 x26: 0000000000000000 <4>[ 139.547909] x25: ffff8000114db328 x24: ffff80001671be20 <4>[ 139.553510] x23: 0000000000000020 x22: 00000000c0000007 <4>[ 139.559112] x21: 00000000c0000000 x20: 00000000c0000000 <4>[ 139.564714] x19: ffff80001671bd04 x18: 0000000000000006 <4>[ 139.570316] x17: 0000000000000100 x16: 0000000000000000 <4>[ 139.575917] x15: ffff80001671b7c0 x14: ffff80009671b97a <4>[ 139.581518] x13: ffff80001671b982 x12: 0000000000000000 <4>[ 139.587120] x11: 0000000000000038 x10: 0000000000001440 <4>[ 139.592722] x9 : ffff80001012b978 x8 : ffff000807cb14a0 <4>[ 139.598323] x7 : ffff000807d07200 x6 : ffff800012575000 <4>[ 139.603925] x5 : ffff800012575c88 x4 : ffff00097ef90c68 <4>[ 139.609526] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 139.615127] x1 : 0000000000000000 x0 : ffff000807cb0000 <4>[ 139.620728] Call trace: <4>[ 139.623448] refcount_warn_saturate+0x9c/0x144 <4>[ 139.628173] __refcount_add_not_zero.constprop.0+0xa0/0xc0 <4>[ 139.633939] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x44/0x88 <4>[ 139.639881] lkdtm_do_action+0x24/0x40 <4>[ 139.643905] direct_entry+0xc8/0x130 <4>[ 139.647757] full_proxy_write+0x68/0xbc <4>[ 139.651869] vfs_write+0xec/0x22c <4>[ 139.655457] ksys_write+0x78/0x110 <4>[ 139.659133] __arm64_sys_write+0x24/0x30 <4>[ 139.663334] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 139.668403] do_el0_svc+0x2c/0xa4 <4>[ 139.671992] el0_svc+0x20/0x30 <4>[ 139.675320] el0_sync_handler+0xe8/0x114 <4>[ 139.679518] el0_sync+0x180/0x1c0 <4>[ 139.683104] irq event stamp: 0 <4>[ 139.686434] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 139.692987] hardirqs last disabled at (0): [] copy_process+0x5f4/0x1df4 <4>[ 139.701451] softirqs last enabled at (0): [] copy_process+0x5f4/0x1df4 <4>[ 139.709914] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 139.716458] ---[ end trace 2596aaebce7b33d6 ]--- <6>[ 139.721548] lkdtm: Saturation detected: still saturated # [ 139.457495] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 139.464718] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 139.471758] ------------[ cut here ]------------ # [ 139.476701] refcount_t: saturated; leaking memory. # [ 139.481963] WARNING: CPU: 4 PID: 2680 at lib/refcount.c:19 refcount_warn_saturate+0x9c/0x144 # [ 139.490686] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 139.502471] CPU: 4 PID: 2680 Comm: cat Tainted: G D W 5.10.224-cip52 #1 # [ 139.510495] Hardware name: ARM Juno development board (r0) (DT) # [ 139.516696] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 139.522985] pc : refcount_warn_saturate+0x9c/0x144 # [ 139.528053] lr : refcount_warn_saturate+0x9c/0x144 # [ 139.533118] sp : ffff80001671bcb0 # [ 139.536704] x29: ffff80001671bcb0 x28: ffff000807cb0000 # [ 139.542307] x27: 0000000000000000 x26: 0000000000000000 # [ 139.547909] x25: ffff8000114db328 x24: ffff80001671be20 # [ 139.553510] x23: 0000000000000020 x22: 00000000c0000007 # [ 139.559112] x21: 00000000c0000000 x20: 00000000c0000000 # [ 139.564714] x19: ffff80001671bd04 x18: 0000000000000006 # [ 139.570316] x17: 0000000000000100 x16: 0000000000000000 # [ 139.575917] x15: ffff80001671b7c0 x14: ffff80009671b97a # [ 139.581518] x13: ffff80001671b982 x12: 0000000000000000 # [ 139.587120] x11: 0000000000000038 x10: 0000000000001440 # [ 139.592722] x9 : ffff80001012b978 x8 : ffff000807cb14a0 # [ 139.598323] x7 : ffff000807d07200 x6 : ffff800012575000 # [ 139.603925] x5 : ffff800012575c88 x4 : ffff00097ef90c68 # [ 139.609526] x3 : 0000000000000000 x2 : 0000000000000000 # [ 139.615127] x1 : 0000000000000000 x0 : ffff000807cb0000 # [ 139.620728] Call trace: # [ 139.623448] refcount_warn_saturate+0x9c/0x144 # [ 139.628173] __refcount_add_not_zero.constprop.0+0xa0/0xc0 # [ 139.633939] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x44/0x88 # [ 139.639881] lkdtm_do_action+0x24/0x40 # [ 139.643905] direct_entry+0xc8/0x130 # [ 139.647757] full_proxy_write+0x68/0xbc # [ 139.651869] vfs_write+0xec/0x22c # [ 139.655457] ksys_write+0x78/0x110 # [ 139.659133] __arm64_sys_write+0x24/0x30 # [ 139.663334] el0_svc_common.constprop.0+0x84/0x1e0 # [ 139.668403] do_el0_svc+0x2c/0xa4 # [ 139.671992] el0_svc+0x20/0x30 # [ 139.675320] el0_sync_handler+0xe8/0x114 # [ 139.679518] el0_sync+0x180/0x1c0 # [ 139.683104] irq event stamp: 0 # [ 139.686434] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 139.692987] hardirqs last disabled at (0): [] copy_process+0x5f4/0x1df4 # [ 139.701451] softirqs last enabled at (0): [] copy_process+0x5f4/0x1df4 # [ 139.709914] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 139.716458] ---[ end trace 2596aaebce7b33d6 ]--- # [ 139.721548] 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>[ 140.229638] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED <6>[ 140.236903] lkdtm: attempting bad refcount_dec_and_test() from saturated <4>[ 140.244011] ------------[ cut here ]------------ <4>[ 140.248988] refcount_t: underflow; use-after-free. <4>[ 140.254589] WARNING: CPU: 1 PID: 2716 at lib/refcount.c:28 refcount_warn_saturate+0xf4/0x144 <4>[ 140.263309] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 140.275061] CPU: 1 PID: 2716 Comm: cat Tainted: G D W 5.10.224-cip52 #1 <4>[ 140.283080] Hardware name: ARM Juno development board (r0) (DT) <4>[ 140.289275] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 140.295556] pc : refcount_warn_saturate+0xf4/0x144 <4>[ 140.300618] lr : refcount_warn_saturate+0xf4/0x144 <4>[ 140.305678] sp : ffff800016783cd0 <4>[ 140.309258] x29: ffff800016783cd0 x28: ffff000800ba6200 <4>[ 140.314853] x27: 0000000000000000 x26: 0000000000000000 <4>[ 140.320446] x25: ffff8000114db328 x24: ffff800016783e20 <4>[ 140.326039] x23: 0000000000000020 x22: ffff000804277000 <4>[ 140.331631] x21: ffff8000119f0fe0 x20: 000000000000003a <4>[ 140.337223] x19: ffff8000114db6d8 x18: 0000000000000000 <4>[ 140.342816] x17: 0000000000000000 x16: 0000000000000000 <4>[ 140.348408] x15: 0000000000000000 x14: ffff00080029e200 <4>[ 140.354000] x13: ffff80096d17d000 x12: 0000000030d4d91d <4>[ 140.359592] x11: 0000000000000000 x10: 0000000000001440 <4>[ 140.365184] x9 : ffff80001012b978 x8 : ffff000800ba76a0 <4>[ 140.370776] x7 : 7fffffffffffffff x6 : ffff800012575000 <4>[ 140.376368] x5 : ffff800012575c88 x4 : ffff00097ef2ac68 <4>[ 140.381960] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 140.387552] x1 : 0000000000000000 x0 : ffff000800ba6200 <4>[ 140.393145] Call trace: <4>[ 140.395858] refcount_warn_saturate+0xf4/0x144 <4>[ 140.400578] __refcount_sub_and_test.constprop.0+0x70/0x80 <4>[ 140.406340] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x44/0x88 <4>[ 140.412273] lkdtm_do_action+0x24/0x40 <4>[ 140.416292] direct_entry+0xc8/0x130 <4>[ 140.420137] full_proxy_write+0x68/0xbc <4>[ 140.424243] vfs_write+0xec/0x22c <4>[ 140.427825] ksys_write+0x78/0x110 <4>[ 140.431495] __arm64_sys_write+0x24/0x30 <4>[ 140.435690] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 140.440752] do_el0_svc+0x2c/0xa4 <4>[ 140.444336] el0_svc+0x20/0x30 <4>[ 140.447658] el0_sync_handler+0xe8/0x114 <4>[ 140.451850] el0_sync+0x180/0x1c0 <4>[ 140.455431] irq event stamp: 0 <4>[ 140.458755] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 140.465300] hardirqs last disabled at (0): [] copy_process+0x5f4/0x1df4 <4>[ 140.473759] softirqs last enabled at (0): [] copy_process+0x5f4/0x1df4 <4>[ 140.482214] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 140.488753] ---[ end trace 2596aaebce7b33d7 ]--- <6>[ 140.493704] lkdtm: Saturation detected: still saturated # [ 140.229638] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 140.236903] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 140.244011] ------------[ cut here ]------------ # [ 140.248988] refcount_t: underflow; use-after-free. # [ 140.254589] WARNING: CPU: 1 PID: 2716 at lib/refcount.c:28 refcount_warn_saturate+0xf4/0x144 # [ 140.263309] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 140.275061] CPU: 1 PID: 2716 Comm: cat Tainted: G D W 5.10.224-cip52 #1 # [ 140.283080] Hardware name: ARM Juno development board (r0) (DT) # [ 140.289275] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 140.295556] pc : refcount_warn_saturate+0xf4/0x144 # [ 140.300618] lr : refcount_warn_saturate+0xf4/0x144 # [ 140.305678] sp : ffff800016783cd0 # [ 140.309258] x29: ffff800016783cd0 x28: ffff000800ba6200 # [ 140.314853] x27: 0000000000000000 x26: 0000000000000000 # [ 140.320446] x25: ffff8000114db328 x24: ffff800016783e20 # [ 140.326039] x23: 0000000000000020 x22: ffff000804277000 # [ 140.331631] x21: ffff8000119f0fe0 x20: 000000000000003a # [ 140.337223] x19: ffff8000114db6d8 x18: 0000000000000000 # [ 140.342816] x17: 0000000000000000 x16: 0000000000000000 # [ 140.348408] x15: 0000000000000000 x14: ffff00080029e200 # [ 140.354000] x13: ffff80096d17d000 x12: 0000000030d4d91d # [ 140.359592] x11: 0000000000000000 x10: 0000000000001440 # [ 140.365184] x9 : ffff80001012b978 x8 : ffff000800ba76a0 # [ 140.370776] x7 : 7fffffffffffffff x6 : ffff800012575000 # [ 140.376368] x5 : ffff800012575c88 x4 : ffff00097ef2ac68 # [ 140.381960] x3 : 0000000000000000 x2 : 0000000000000000 # [ 140.387552] x1 : 0000000000000000 x0 : ffff000800ba6200 # [ 140.393145] Call trace: # [ 140.395858] refcount_warn_saturate+0xf4/0x144 # [ 140.400578] __refcount_sub_and_test.constprop.0+0x70/0x80 # [ 140.406340] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x44/0x88 # [ 140.412273] lkdtm_do_action+0x24/0x40 # [ 140.416292] direct_entry+0xc8/0x130 # [ 140.420137] full_proxy_write+0x68/0xbc # [ 140.424243] vfs_write+0xec/0x22c # [ 140.427825] ksys_write+0x78/0x110 # [ 140.431495] __arm64_sys_write+0x24/0x30 # [ 140.435690] el0_svc_common.constprop.0+0x84/0x1e0 # [ 140.440752] do_el0_svc+0x2c/0xa4 # [ 140.444336] el0_svc+0x20/0x30 # [ 140.447658] el0_sync_handler+0xe8/0x114 # [ 140.451850] el0_sync+0x180/0x1c0 # [ 140.455431] irq event stamp: 0 # [ 140.458755] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 140.465300] hardirqs last disabled at (0): [] copy_process+0x5f4/0x1df4 # [ 140.473759] softirqs last enabled at (0): [] copy_process+0x5f4/0x1df4 # [ 140.482214] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 140.488753] ---[ end trace 2596aaebce7b33d7 ]--- # [ 140.493704] 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>[ 141.012367] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED <6>[ 141.019677] lkdtm: attempting bad refcount_sub_and_test() from saturated <4>[ 141.026785] ------------[ cut here ]------------ <4>[ 141.031745] refcount_t: underflow; use-after-free. <4>[ 141.036959] WARNING: CPU: 3 PID: 2752 at lib/refcount.c:28 refcount_warn_saturate+0xf4/0x144 <4>[ 141.045687] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 141.057473] CPU: 3 PID: 2752 Comm: cat Tainted: G D W 5.10.224-cip52 #1 <4>[ 141.065498] Hardware name: ARM Juno development board (r0) (DT) <4>[ 141.071699] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 141.077987] pc : refcount_warn_saturate+0xf4/0x144 <4>[ 141.083055] lr : refcount_warn_saturate+0xf4/0x144 <4>[ 141.088120] sp : ffff800016823cd0 <4>[ 141.091706] x29: ffff800016823cd0 x28: ffff000806c49880 <4>[ 141.097308] x27: 0000000000000000 x26: 0000000000000000 <4>[ 141.102910] x25: ffff8000114db328 x24: ffff800016823e20 <4>[ 141.108511] x23: 0000000000000020 x22: ffff000803c51000 <4>[ 141.114113] x21: ffff8000119f1000 x20: 000000000000003b <4>[ 141.119715] x19: ffff8000114db6e8 x18: 0000000000000006 <4>[ 141.125316] x17: 0000000000000100 x16: 0000000000000000 <4>[ 141.130918] x15: ffff8000168237e0 x14: ffff80009682399a <4>[ 141.136520] x13: ffff8000168239a3 x12: 0000000000000000 <4>[ 141.142121] x11: 0000000000000038 x10: ffff8000125fbfa8 <4>[ 141.147722] x9 : ffff80001012b978 x8 : 00000000ffffefff <4>[ 141.153324] x7 : ffff8000125fbfa8 x6 : ffff800012575000 <4>[ 141.158925] x5 : ffff800012575c88 x4 : ffff00097ef6ec68 <4>[ 141.164526] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 141.170127] x1 : 0000000000000000 x0 : ffff000806c49880 <4>[ 141.175729] Call trace: <4>[ 141.178449] refcount_warn_saturate+0xf4/0x144 <4>[ 141.183174] __refcount_sub_and_test.constprop.0+0x70/0x80 <4>[ 141.188944] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x44/0x88 <4>[ 141.194884] lkdtm_do_action+0x24/0x40 <4>[ 141.198908] direct_entry+0xc8/0x130 <4>[ 141.202759] full_proxy_write+0x68/0xbc <4>[ 141.206872] vfs_write+0xec/0x22c <4>[ 141.210461] ksys_write+0x78/0x110 <4>[ 141.214137] __arm64_sys_write+0x24/0x30 <4>[ 141.218339] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 141.223408] do_el0_svc+0x2c/0xa4 <4>[ 141.226997] el0_svc+0x20/0x30 <4>[ 141.230325] el0_sync_handler+0xe8/0x114 <4>[ 141.234523] el0_sync+0x180/0x1c0 <4>[ 141.238109] irq event stamp: 0 <4>[ 141.241439] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 141.247991] hardirqs last disabled at (0): [] copy_process+0x5f4/0x1df4 <4>[ 141.256456] softirqs last enabled at (0): [] copy_process+0x5f4/0x1df4 <4>[ 141.264918] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 141.271462] ---[ end trace 2596aaebce7b33d8 ]--- <6>[ 141.276554] lkdtm: Saturation detected: still saturated # [ 141.012367] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 141.019677] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 141.026785] ------------[ cut here ]------------ # [ 141.031745] refcount_t: underflow; use-after-free. # [ 141.036959] WARNING: CPU: 3 PID: 2752 at lib/refcount.c:28 refcount_warn_saturate+0xf4/0x144 # [ 141.045687] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 141.057473] CPU: 3 PID: 2752 Comm: cat Tainted: G D W 5.10.224-cip52 #1 # [ 141.065498] Hardware name: ARM Juno development board (r0) (DT) # [ 141.071699] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 141.077987] pc : refcount_warn_saturate+0xf4/0x144 # [ 141.083055] lr : refcount_warn_saturate+0xf4/0x144 # [ 141.088120] sp : ffff800016823cd0 # [ 141.091706] x29: ffff800016823cd0 x28: ffff000806c49880 # [ 141.097308] x27: 0000000000000000 x26: 0000000000000000 # [ 141.102910] x25: ffff8000114db328 x24: ffff800016823e20 # [ 141.108511] x23: 0000000000000020 x22: ffff000803c51000 # [ 141.114113] x21: ffff8000119f1000 x20: 000000000000003b # [ 141.119715] x19: ffff8000114db6e8 x18: 0000000000000006 # [ 141.125316] x17: 0000000000000100 x16: 0000000000000000 # [ 141.130918] x15: ffff8000168237e0 x14: ffff80009682399a # [ 141.136520] x13: ffff8000168239a3 x12: 0000000000000000 # [ 141.142121] x11: 0000000000000038 x10: ffff8000125fbfa8 # [ 141.147722] x9 : ffff80001012b978 x8 : 00000000ffffefff # [ 141.153324] x7 : ffff8000125fbfa8 x6 : ffff800012575000 # [ 141.158925] x5 : ffff800012575c88 x4 : ffff00097ef6ec68 # [ 141.164526] x3 : 0000000000000000 x2 : 0000000000000000 # [ 141.170127] x1 : 0000000000000000 x0 : ffff000806c49880 # [ 141.175729] Call trace: # [ 141.178449] refcount_warn_saturate+0xf4/0x144 # [ 141.183174] __refcount_sub_and_test.constprop.0+0x70/0x80 # [ 141.188944] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x44/0x88 # [ 141.194884] lkdtm_do_action+0x24/0x40 # [ 141.198908] direct_entry+0xc8/0x130 # [ 141.202759] full_proxy_write+0x68/0xbc # [ 141.206872] vfs_write+0xec/0x22c # [ 141.210461] ksys_write+0x78/0x110 # [ 141.214137] __arm64_sys_write+0x24/0x30 # [ 141.218339] el0_svc_common.constprop.0+0x84/0x1e0 # [ 141.223408] do_el0_svc+0x2c/0xa4 # [ 141.226997] el0_svc+0x20/0x30 # [ 141.230325] el0_sync_handler+0xe8/0x114 # [ 141.234523] el0_sync+0x180/0x1c0 # [ 141.238109] irq event stamp: 0 # [ 141.241439] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 141.247991] hardirqs last disabled at (0): [] copy_process+0x5f4/0x1df4 # [ 141.256456] softirqs last enabled at (0): [] copy_process+0x5f4/0x1df4 # [ 141.264918] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 141.271462] ---[ end trace 2596aaebce7b33d8 ]--- # [ 141.276554] 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>[ 142.270495] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO <6>[ 142.276897] lkdtm: attempting good copy_to_user of correct size <6>[ 142.283197] lkdtm: attempting bad copy_to_user of too large size # [ 142.270495] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 142.276897] lkdtm: attempting good copy_to_user of correct size # [ 142.283197] 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>[ 142.793342] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM <6>[ 142.800007] lkdtm: attempting good copy_from_user of correct size <6>[ 142.806629] lkdtm: attempting bad copy_from_user of too large size # [ 142.793342] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 142.800007] lkdtm: attempting good copy_from_user of correct size # [ 142.806629] 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>[ 143.318477] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO <6>[ 143.325310] lkdtm: attempting good copy_to_user inside whitelist <6>[ 143.331701] lkdtm: attempting bad copy_to_user outside whitelist # [ 143.318477] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 143.325310] lkdtm: attempting good copy_to_user inside whitelist # [ 143.331701] 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>[ 143.843790] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM <6>[ 143.850808] lkdtm: attempting good copy_from_user inside whitelist <6>[ 143.857339] lkdtm: attempting bad copy_from_user outside whitelist # [ 143.843790] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 143.850808] lkdtm: attempting good copy_from_user inside whitelist # [ 143.857339] 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>[ 144.371732] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO <6>[ 144.378308] lkdtm: good_stack: ffff800016c43cd8-ffff800016c43cf8 <6>[ 144.384649] lkdtm: bad_stack : ffff800016c43c28-ffff800016c43c48 <6>[ 144.391003] lkdtm: attempting good copy_to_user of local stack <6>[ 144.397276] lkdtm: attempting bad copy_to_user of distant stack # [ 144.371732] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 144.378308] lkdtm: good_stack: ffff800016c43cd8-ffff800016c43cf8 # [ 144.384649] lkdtm: bad_stack : ffff800016c43c28-ffff800016c43c48 # [ 144.391003] lkdtm: attempting good copy_to_user of local stack # [ 144.397276] 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>[ 144.897414] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM <6>[ 144.904121] lkdtm: good_stack: ffff800016cf3cd8-ffff800016cf3cf8 <6>[ 144.910532] lkdtm: bad_stack : ffff800016cf3c28-ffff800016cf3c48 <6>[ 144.916932] lkdtm: attempting good copy_from_user of local stack <6>[ 144.923430] lkdtm: attempting bad copy_from_user of distant stack # [ 144.897414] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 144.904121] lkdtm: good_stack: ffff800016cf3cd8-ffff800016cf3cf8 # [ 144.910532] lkdtm: bad_stack : ffff800016cf3c28-ffff800016cf3c48 # [ 144.916932] lkdtm: attempting good copy_from_user of local stack # [ 144.923430] 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>[ 145.428179] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND <6>[ 145.434546] lkdtm: good_stack: ffff800016da3cd8-ffff800016da3cf8 <6>[ 145.440893] lkdtm: bad_stack : ffff800016da3ff8-ffff800016da4018 <6>[ 145.447249] lkdtm: attempting good copy_to_user of local stack <6>[ 145.453529] lkdtm: attempting bad copy_to_user of distant stack <1>[ 145.459819] Unable to handle kernel paging request at virtual address ffff800016da4000 <1>[ 145.468266] Mem abort info: <1>[ 145.471388] ESR = 0x96000007 <1>[ 145.474752] EC = 0x25: DABT (current EL), IL = 32 bits <1>[ 145.480363] SET = 0, FnV = 0 <1>[ 145.483708] EA = 0, S1PTW = 0 <1>[ 145.487140] Data abort info: <1>[ 145.490313] ISV = 0, ISS = 0x00000007 <1>[ 145.494442] CM = 0, WnR = 0 <1>[ 145.497703] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081db0000 <1>[ 145.504706] [ffff800016da4000] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=0000000884006003, pte=0000000000000000 <0>[ 145.517596] Internal error: Oops: 0000000096000007 [#16] PREEMPT SMP <4>[ 145.524232] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 145.535989] CPU: 1 PID: 3055 Comm: cat Tainted: G D W 5.10.224-cip52 #1 <4>[ 145.544014] Hardware name: ARM Juno development board (r0) (DT) <4>[ 145.550209] pstate: 80000005 (Nzcv daif -PAN -UAO -TCO BTYPE=--) <4>[ 145.556498] pc : __arch_copy_to_user+0xa0/0x310 <4>[ 145.561310] lr : _copy_to_user+0x6c/0x94 <4>[ 145.565499] sp : ffff800016da3c60 <4>[ 145.569080] x29: ffff800016da3c60 x28: ffff000804e34980 <4>[ 145.574674] x27: 0000000000000000 x26: 0000000000000000 <4>[ 145.580268] x25: ffff8000114db328 x24: ffff800016da3e20 <4>[ 145.585863] x23: 0000ffffbe505000 x22: ffff800016da3ff8 <4>[ 145.591461] x21: ffff800016da3ff8 x20: 0000ffffbe505000 <4>[ 145.597054] x19: 0000000000000020 x18: 0000000000000006 <4>[ 145.602647] x17: 0000000000000100 x16: 0000000000000000 <4>[ 145.608240] x15: ffff800016da3ff8 x14: ffff800096da399a <4>[ 145.613835] x13: ffff800016da39a2 x12: 0000000000000030 <4>[ 145.619432] x11: ffff800012650000 x10: ffff8000125fbfa8 <4>[ 145.625025] x9 : ffff8000100dd810 x8 : 00000000ffffefff <4>[ 145.630619] x7 : ffff8000125fbfa8 x6 : 0000ffffbe505008 <4>[ 145.636212] x5 : 0000ffffbe505020 x4 : 0000000000000008 <4>[ 145.641804] x3 : 0000000000000010 x2 : 0000000000000018 <4>[ 145.647397] x1 : ffff800016da4000 x0 : 0000ffffbe505000 <4>[ 145.652989] Call trace: <4>[ 145.655705] __arch_copy_to_user+0xa0/0x310 <4>[ 145.660161] do_usercopy_stack+0x2a8/0x2b0 <4>[ 145.664529] lkdtm_USERCOPY_STACK_BEYOND+0x20/0x30 <4>[ 145.669592] lkdtm_do_action+0x24/0x40 <4>[ 145.673612] direct_entry+0xc8/0x130 <4>[ 145.677457] full_proxy_write+0x68/0xbc <4>[ 145.681564] vfs_write+0xec/0x22c <4>[ 145.685147] ksys_write+0x78/0x110 <4>[ 145.688816] __arm64_sys_write+0x24/0x30 <4>[ 145.693011] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 145.698074] do_el0_svc+0x2c/0xa4 <4>[ 145.701657] el0_svc+0x20/0x30 <4>[ 145.704979] el0_sync_handler+0xe8/0x114 <4>[ 145.709172] el0_sync+0x180/0x1c0 <0>[ 145.712759] Code: a8c12027 a88120c7 d503201f d503201f (a8c12027) <4>[ 145.719130] ---[ end trace 2596aaebce7b33d9 ]--- # Segmentation fault # [ 145.428179] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 145.434546] lkdtm: good_stack: ffff800016da3cd8-ffff800016da3cf8 # [ 145.440893] lkdtm: bad_stack : ffff800016da3ff8-ffff800016da4018 # [ 145.447249] lkdtm: attempting good copy_to_user of local stack # [ 145.453529] lkdtm: attempting bad copy_to_user of distant stack # [ 145.459819] Unable to handle kernel paging request at virtual address ffff800016da4000 # [ 145.468266] Mem abort info: # [ 145.471388] ESR = 0x96000007 # [ 145.474752] EC = 0x25: DABT (current EL), IL = 32 bits # [ 145.480363] SET = 0, FnV = 0 # [ 145.483708] EA = 0, S1PTW = 0 # [ 145.487140] Data abort info: # [ 145.490313] ISV = 0, ISS = 0x00000007 # [ 145.494442] CM = 0, WnR = 0 # [ 145.497703] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081db0000 # [ 145.504706] [ffff800016da4000] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=0000000884006003, pte=0000000000000000 # [ 145.517596] Internal error: Oops: 0000000096000007 [#16] PREEMPT SMP # [ 145.524232] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 145.535989] CPU: 1 PID: 3055 Comm: cat Tainted: G D W 5.10.224-cip52 #1 # [ 145.544014] Hardware name: ARM Juno development board (r0) (DT) # [ 145.550209] pstate: 80000005 (Nzcv daif -PAN -UAO -TCO BTYPE=--) # [ 145.556498] pc : __arch_copy_to_user+0xa0/0x310 # [ 145.561310] lr : _copy_to_user+0x6c/0x94 # [ 145.565499] sp : ffff800016da3c60 # [ 145.569080] x29: ffff800016da3c60 x28: ffff000804e34980 # [ 145.574674] x27: 0000000000000000 x26: 0000000000000000 # [ 145.580268] x25: ffff8000114db328 x24: ffff800016da3e20 # [ 145.585863] x23: 0000ffffbe505000 x22: ffff800016da3ff8 # [ 145.591461] x21: ffff800016da3ff8 x20: 0000ffffbe505000 # [ 145.597054] x19: 0000000000000020 x18: 0000000000000006 # [ 145.602647] x17: 0000000000000100 x16: 0000000000000000 # [ 145.608240] x15: ffff800016da3ff8 x14: ffff800096da399a # [ 145.613835] x13: ffff800016da39a2 x12: 0000000000000030 # [ 145.619432] x11: ffff800012650000 x10: ffff8000125fbfa8 # [ 145.625025] x9 : ffff8000100dd810 x8 : 00000000ffffefff # [ 145.630619] x7 : ffff8000125fbfa8 x6 : 0000ffffbe505008 # [ 145.636212] x5 : 0000ffffbe505020 x4 : 0000000000000008 # [ 145.641804] x3 : 0000000000000010 x2 : 0000000000000018 # [ 145.647397] x1 : ffff800016da4000 x0 : 0000ffffbe505000 # [ 145.652989] Call trace: # [ 145.655705] __arch_copy_to_user+0xa0/0x310 # [ 145.660161] do_usercopy_stack+0x2a8/0x2b0 # [ 145.664529] lkdtm_USERCOPY_STACK_BEYOND+0x20/0x30 # [ 145.669592] lkdtm_do_action+0x24/0x40 # [ 145.673612] direct_entry+0xc8/0x130 # [ 145.677457] full_proxy_write+0x68/0xbc # [ 145.681564] vfs_write+0xec/0x22c # [ 145.685147] ksys_write+0x78/0x110 # [ 145.688816] __arm64_sys_write+0x24/0x30 # [ 145.693011] el0_svc_common.constprop.0+0x84/0x1e0 # [ 145.698074] do_el0_svc+0x2c/0xa4 # [ 145.701657] el0_svc+0x20/0x30 # [ 145.704979] el0_sync_handler+0xe8/0x114 # [ 145.709172] el0_sync+0x180/0x1c0 # [ 145.712759] Code: a8c12027 a88120c7 d503201f d503201f (a8c12027) # [ 145.719130] ---[ end trace 2596aaebce7b33d9 ]--- # USERCOPY_STACK_BEYOND: saw 'call trace:': ok ok 67 selftests: lkdtm: USERCOPY_STACK_BEYOND.sh # selftests: lkdtm: USERCOPY_KERNEL.sh <6>[ 146.257743] lkdtm: Performing direct entry USERCOPY_KERNEL <6>[ 146.263585] lkdtm: attempting good copy_to_user from kernel rodata: ffff8000114db830 <6>[ 146.271718] lkdtm: attempting bad copy_to_user from kernel text: ffff8000102ce270 <3>[ 146.279545] lkdtm: FAIL: survived bad copy_to_user() # [ 146.257743] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 146.263585] lkdtm: attempting good copy_to_user from kernel rodata: ffff8000114db830 # [ 146.271718] lkdtm: attempting bad copy_to_user from kernel text: ffff8000102ce270 # [ 146.279545] 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>[ 146.802467] lkdtm: Performing direct entry STACKLEAK_ERASING <6>[ 146.808476] lkdtm: checking unused part of the thread stack (15608 bytes)... <3>[ 146.815894] lkdtm: FAIL: the erased part is not found (checked 15608 bytes) <3>[ 146.823194] lkdtm: FAIL: the thread stack is NOT properly erased <4>[ 146.829800] CPU: 1 PID: 3139 Comm: cat Tainted: G D W 5.10.224-cip52 #1 <4>[ 146.837827] Hardware name: ARM Juno development board (r0) (DT) <4>[ 146.844020] Call trace: <4>[ 146.846738] dump_backtrace+0x0/0x200 <4>[ 146.850670] show_stack+0x20/0x2c <4>[ 146.854257] dump_stack+0x108/0x154 <4>[ 146.858016] lkdtm_STACKLEAK_ERASING+0x130/0x170 <4>[ 146.862908] lkdtm_do_action+0x24/0x40 <4>[ 146.866927] direct_entry+0xc8/0x130 <4>[ 146.870773] full_proxy_write+0x68/0xbc <4>[ 146.874880] vfs_write+0xec/0x22c <4>[ 146.878464] ksys_write+0x78/0x110 <4>[ 146.882134] __arm64_sys_write+0x24/0x30 <4>[ 146.886330] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 146.891394] do_el0_svc+0x2c/0xa4 <4>[ 146.894978] el0_svc+0x20/0x30 <4>[ 146.898300] el0_sync_handler+0xe8/0x114 <4>[ 146.902493] el0_sync+0x180/0x1c0 # [ 146.802467] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 146.808476] lkdtm: checking unused part of the thread stack (15608 bytes)... # [ 146.815894] lkdtm: FAIL: the erased part is not found (checked 15608 bytes) # [ 146.823194] lkdtm: FAIL: the thread stack is NOT properly erased # [ 146.829800] CPU: 1 PID: 3139 Comm: cat Tainted: G D W 5.10.224-cip52 #1 # [ 146.837827] Hardware name: ARM Juno development board (r0) (DT) # [ 146.844020] Call trace: # [ 146.846738] dump_backtrace+0x0/0x200 # [ 146.850670] show_stack+0x20/0x2c # [ 146.854257] dump_stack+0x108/0x154 # [ 146.858016] lkdtm_STACKLEAK_ERASING+0x130/0x170 # [ 146.862908] lkdtm_do_action+0x24/0x40 # [ 146.866927] direct_entry+0xc8/0x130 # [ 146.870773] full_proxy_write+0x68/0xbc # [ 146.874880] vfs_write+0xec/0x22c # [ 146.878464] ksys_write+0x78/0x110 # [ 146.882134] __arm64_sys_write+0x24/0x30 # [ 146.886330] el0_svc_common.constprop.0+0x84/0x1e0 # [ 146.891394] do_el0_svc+0x2c/0xa4 # [ 146.894978] el0_svc+0x20/0x30 # [ 146.898300] el0_sync_handler+0xe8/0x114 # [ 146.902493] 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>[ 147.415343] lkdtm: Performing direct entry CFI_FORWARD_PROTO <6>[ 147.421373] lkdtm: Calling matched prototype ... <6>[ 147.426393] lkdtm: Calling mismatched prototype ... <6>[ 147.431627] lkdtm: Fail: survived mismatched prototype function call! # [ 147.415343] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 147.421373] lkdtm: Calling matched prototype ... # [ 147.426393] lkdtm: Calling mismatched prototype ... # [ 147.431627] 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 / #