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 : 39 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 734023/tftp-deploy-r_10l3m2/kernel/uImage tftp 0x80200000 734023/tftp-deploy-r_10l3m2/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 '734023/tftp-deploy-r_10l3m2/kernel/uImage'. Load address: 0x80200000 Loading: *################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# 1.6 MiB/s done Bytes transferred = 43887168 (29daa40 hex) smc911x: MAC 00:02:f7:00:58:4d VExpress64# tftp 0x8fe00000 734023/tftp-deploy-r_10l3m2/ramdisk/ramdisk.cpio.gz.uboot tftp 0x8fe00000 734023/tftp-deploy-r_10l3m2/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 '734023/tftp-deploy-r_10l3m2/ramdisk/ramdisk.cpio.gz.uboot'. Load address: 0x8fe00000 Loading: *################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ############################################################ 1.4 MiB/s done Bytes transferred = 19007662 (12208ae hex) smc911x: MAC 00:02:f7:00:58:4d VExpress64# setenv initrd_size ${filesize} setenv initrd_size ${filesize} VExpress64# tftp 0x8fc00000 734023/tftp-deploy-r_10l3m2/dtb/juno.dtb tftp 0x8fc00000 734023/tftp-deploy-r_10l3m2/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 '734023/tftp-deploy-r_10l3m2/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/734023/extract-nfsrootfs-n626wu88,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/734023/extract-nfsrootfs-n626wu88,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: 19007598 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 5.10.226-cip52 (KernelCI@build-j311657-arm64-gcc-12-defconfig-kselftest-pvsqb) (aarch64-linux-gnu-gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40) #1 SMP PREEMPT Mon Sep 16 16:19:18 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 5.10.226-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: ffff800011d88c80 [ 0.000000] x21: ffff80001289a9d8 x20: ffff80001344af48 [ 0.000000] x19: ffff80001289a9d8 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: ffff8000125fc128 [ 0.000000] x9 : ffff8000125a4128 x8 : 00000000ffffefff [ 0.000000] x7 : ffff8000125fc128 x6 : 80000000fffff000 [ 0.000000] x5 : 0000000000000000 x4 : 0000000000000000 [ 0.000000] x3 : 00000000ffffffff x2 : 0000000000000000 [ 0.000000] x1 : 0000000000000000 x0 : ffff800012580280 [ 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 61925da2c52a7bda ]--- [ 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/734023/extract-nfsrootfs-n626wu88,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: 8040016K/8372224K available (18752K kernel code, 4650K rwdata, 9516K rodata, 9792K init, 11275K bss, 299440K reserved, 32768K cma-reserved) <6>[ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=6, Nodes=1 <6>[ 0.000000] ftrace: allocating 58667 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>[ 0.009916] Console: colour dummy device 80x25 <4>[ 0.014800] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar <4>[ 0.022977] ... MAX_LOCKDEP_SUBCLASSES: 8 <4>[ 0.027449] ... MAX_LOCK_DEPTH: 48 <4>[ 0.032008] ... MAX_LOCKDEP_KEYS: 8192 <4>[ 0.036742] ... CLASSHASH_SIZE: 4096 <4>[ 0.041477] ... MAX_LOCKDEP_ENTRIES: 32768 <4>[ 0.046299] ... MAX_LOCKDEP_CHAINS: 65536 <4>[ 0.051121] ... CHAINHASH_SIZE: 32768 <4>[ 0.055944] memory used by lock dependency info: 6365 kB <4>[ 0.061735] memory used for stack traces: 4224 kB <4>[ 0.066909] per task-struct memory footprint: 1920 bytes <6>[ 0.072913] Calibrating delay loop (skipped), value calculated using timer frequency.. 100.00 BogoMIPS (lpj=200000) <6>[ 0.083850] pid_max: default: 32768 minimum: 301 <6>[ 0.089235] LSM: Security Framework initializing <6>[ 0.094324] LSM support for eBPF active <6>[ 0.098723] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes, linear) <6>[ 0.106765] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes, linear) <6>[ 0.127535] rcu: Hierarchical SRCU implementation. <6>[ 0.141614] EFI services will not be available. <6>[ 0.148433] smp: Bringing up secondary CPUs ... <6>[ 0.156915] CPU features: detected: ARM erratum 832075 <6>[ 0.156923] CPU features: detected: ARM erratum 834220 <6>[ 0.156931] CPU features: detected: EL2 vector hardening <6>[ 0.156945] CPU features: detected: Spectre-v2 <6>[ 0.156957] CPU features: detected: ARM errata 1165522, 1319367, or 1530923 <6>[ 0.156966] CPU features: detected: Spectre-BHB <6>[ 0.156975] Detected PIPT I-cache on CPU1 <6>[ 0.157059] CPU1: Booted secondary processor 0x0000000000 [0x410fd070] <6>[ 0.160871] Detected PIPT I-cache on CPU2 <6>[ 0.160922] CPU2: Booted secondary processor 0x0000000001 [0x410fd070] <6>[ 0.164386] Detected VIPT I-cache on CPU3 <6>[ 0.164482] CPU3: Booted secondary processor 0x0000000101 [0x410fd030] <6>[ 0.168460] Detected VIPT I-cache on CPU4 <6>[ 0.168538] CPU4: Booted secondary processor 0x0000000102 [0x410fd030] <6>[ 0.172329] Detected VIPT I-cache on CPU5 <6>[ 0.172404] CPU5: Booted secondary processor 0x0000000103 [0x410fd030] <6>[ 0.173177] smp: Brought up 1 node, 6 CPUs <6>[ 0.268066] SMP: Total of 6 processors activated. <6>[ 0.273209] CPU features: detected: 32-bit EL0 Support <6>[ 0.278910] CPU features: detected: CRC32 instructions <6>[ 0.284484] CPU features: detected: 32-bit EL1 Support <6>[ 0.364916] CPU: All CPU(s) started at EL2 <6>[ 0.369577] alternatives: patching kernel code <6>[ 0.385342] devtmpfs: initialized <4>[ 0.415977] KASLR disabled due to lack of seed <6>[ 0.423103] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 7645041785100000 ns <6>[ 0.433343] futex hash table entries: 2048 (order: 6, 262144 bytes, linear) <6>[ 0.442830] pinctrl core: initialized pinctrl subsystem <6>[ 0.453169] DMI not present or invalid. <6>[ 0.459043] NET: Registered protocol family 16 <6>[ 0.469376] DMA: preallocated 1024 KiB GFP_KERNEL pool for atomic allocations <6>[ 0.477319] DMA: preallocated 1024 KiB GFP_KERNEL|GFP_DMA pool for atomic allocations <6>[ 0.486903] DMA: preallocated 1024 KiB GFP_KERNEL|GFP_DMA32 pool for atomic allocations <6>[ 0.495553] audit: initializing netlink subsys (disabled) <5>[ 0.501975] audit: type=2000 audit(0.408:1): state=initialized audit_enabled=0 res=1 <6>[ 0.505381] thermal_sys: Registered thermal governor 'step_wise' <6>[ 0.510143] thermal_sys: Registered thermal governor 'power_allocator' <6>[ 0.517815] cpuidle: using governor menu <6>[ 0.529505] hw-breakpoint: found 6 breakpoint and 4 watchpoint registers. <6>[ 0.537198] ASID allocator initialised with 65536 entries <6>[ 0.547287] Serial: AMBA PL011 UART driver <6>[ 0.643865] 7ff80000.serial: ttyAMA0 at MMIO 0x7ff80000 (irq = 38, base_baud = 0) is a PL011 rev3 <6>[ 0.653278] printk: console [ttyAMA0] enabled <6>[ 0.653278] printk: console [ttyAMA0] enabled <6>[ 0.662647] printk: bootconsole [pl11] disabled <6>[ 0.662647] printk: bootconsole [pl11] disabled <6>[ 0.726099] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages <6>[ 0.733176] HugeTLB registered 32.0 MiB page size, pre-allocated 0 pages <6>[ 0.740205] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages <6>[ 0.747220] HugeTLB registered 64.0 KiB page size, pre-allocated 0 pages <6>[ 0.760917] cryptd: max_cpu_qlen set to 1000 <6>[ 0.777407] ACPI: Interpreter disabled. <6>[ 0.788997] iommu: Default domain type: Translated <6>[ 0.795104] vgaarb: loaded <5>[ 0.799529] SCSI subsystem initialized <6>[ 0.805114] usbcore: registered new interface driver usbfs <6>[ 0.811090] usbcore: registered new interface driver hub <6>[ 0.816863] usbcore: registered new device driver usb <6>[ 0.826958] pps_core: LinuxPPS API ver. 1 registered <6>[ 0.832247] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <6>[ 0.841742] PTP clock support registered <6>[ 0.846490] EDAC MC: Ver: 3.0.0 <6>[ 0.854957] FPGA manager framework <6>[ 0.859074] Advanced Linux Sound Architecture Driver Initialized. <6>[ 0.868414] clocksource: Switched to clocksource arch_sys_counter <5>[ 2.162802] VFS: Disk quotas dquot_6.6.0 <6>[ 2.167233] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) <6>[ 2.175583] pnp: PnP ACPI: disabled <6>[ 2.214307] NET: Registered protocol family 2 <6>[ 2.219817] IP idents hash table entries: 131072 (order: 8, 1048576 bytes, linear) <6>[ 2.233282] tcp_listen_portaddr_hash hash table entries: 4096 (order: 6, 327680 bytes, linear) <6>[ 2.243450] TCP established hash table entries: 65536 (order: 7, 524288 bytes, linear) <6>[ 2.254970] TCP bind hash table entries: 65536 (order: 10, 4718592 bytes, vmalloc) <6>[ 2.278085] TCP: Hash tables configured (established 65536 bind 65536) <6>[ 2.286455] MPTCP token hash table entries: 8192 (order: 7, 720896 bytes, linear) <6>[ 2.296503] UDP hash table entries: 4096 (order: 7, 655360 bytes, linear) <6>[ 2.305752] UDP-Lite hash table entries: 4096 (order: 7, 655360 bytes, linear) <6>[ 2.315671] NET: Registered protocol family 1 <6>[ 2.322529] RPC: Registered named UNIX socket transport module. <6>[ 2.328836] RPC: Registered udp transport module. <6>[ 2.333863] RPC: Registered tcp transport module. <6>[ 2.338887] RPC: Registered tcp NFSv4.1 backchannel transport module. <6>[ 2.345667] NET: Registered protocol family 44 <6>[ 2.350452] PCI: CLS 0 bytes, default 64 <6>[ 2.355515] Unpacking initramfs... <6>[ 4.130800] Freeing initrd memory: 18556K <6>[ 4.138543] hw perfevents: enabled with armv8_cortex_a57 PMU driver, 7 counters available <6>[ 4.149252] hw perfevents: enabled with armv8_cortex_a53 PMU driver, 7 counters available <6>[ 4.157928] kvm [1]: Guests without required CPU erratum workarounds can deadlock system! <6>[ 4.157928] Only trusted guests should be used on this system. <6>[ 4.172577] kvm [1]: IPA Size Limit: 40 bits <6>[ 4.189478] kvm [1]: vgic interrupt IRQ9 <6>[ 4.194416] kvm [1]: Hyp mode initialized successfully <5>[ 4.221079] Initialise system trusted keyrings <6>[ 4.226628] workingset: timestamp_bits=42 max_order=21 bucket_order=0 <6>[ 4.277007] squashfs: version 4.0 (2009/01/31) Phillip Lougher <5>[ 4.285855] NFS: Registering the id_resolver key type <5>[ 4.291348] Key type id_resolver registered <5>[ 4.295889] Key type id_legacy registered <6>[ 4.300710] nfs4filelayout_init: NFSv4 File Layout Driver Registering... <6>[ 4.307767] nfs4flexfilelayout_init: NFSv4 Flexfile Layout Driver Registering... <6>[ 4.316034] 9p: Installing v9fs 9p2000 file system support <5>[ 4.373488] Key type asymmetric registered <5>[ 4.377958] Asymmetric key parser 'x509' registered <6>[ 4.383260] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 245) <6>[ 4.391005] io scheduler mq-deadline registered <6>[ 4.395872] io scheduler kyber registered <4>[ 4.400935] test_firmware: interface ready <6>[ 4.433358] pl061_gpio 1c1d0000.gpio: PL061 GPIO chip registered <4>[ 4.450607] EINJ: ACPI disabled. <6>[ 4.475614] dma-pl330 7ff00000.dma: Loaded driver for PL330 DMAC-341330 <6>[ 4.482562] dma-pl330 7ff00000.dma: DBUFF-1024x16bytes Num_Chans-8 Num_Peri-8 Num_Events-8 <6>[ 4.523519] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled <6>[ 4.539864] SuperH (H)SCI(F) driver initialized <6>[ 4.546142] msm_serial: driver initialized <5>[ 4.554502] arm-smmu 7fb10000.iommu: probing hardware configuration... <5>[ 4.561360] arm-smmu 7fb10000.iommu: SMMUv1 with: <5>[ 4.566407] arm-smmu 7fb10000.iommu: stage 2 translation <5>[ 4.572123] arm-smmu 7fb10000.iommu: non-coherent table walk <5>[ 4.578185] arm-smmu 7fb10000.iommu: (IDR0.CTTW overridden by FW configuration) <5>[ 4.585906] arm-smmu 7fb10000.iommu: stream matching with 2 register groups <5>[ 4.593279] arm-smmu 7fb10000.iommu: 1 context banks (1 stage-2 only) <5>[ 4.600137] arm-smmu 7fb10000.iommu: Supported page sizes: 0x60211000 <5>[ 4.606990] arm-smmu 7fb10000.iommu: Stage-2: 40-bit IPA -> 40-bit PA <5>[ 4.615126] arm-smmu 7fb20000.iommu: probing hardware configuration... <5>[ 4.621988] arm-smmu 7fb20000.iommu: SMMUv1 with: <5>[ 4.627023] arm-smmu 7fb20000.iommu: stage 2 translation <5>[ 4.632737] arm-smmu 7fb20000.iommu: non-coherent table walk <5>[ 4.638805] arm-smmu 7fb20000.iommu: (IDR0.CTTW overridden by FW configuration) <5>[ 4.646540] arm-smmu 7fb20000.iommu: stream matching with 2 register groups <5>[ 4.653951] arm-smmu 7fb20000.iommu: 1 context banks (1 stage-2 only) <5>[ 4.660828] arm-smmu 7fb20000.iommu: Supported page sizes: 0x60211000 <5>[ 4.667680] arm-smmu 7fb20000.iommu: Stage-2: 40-bit IPA -> 40-bit PA <5>[ 4.675309] arm-smmu 7fb30000.iommu: probing hardware configuration... <5>[ 4.682167] arm-smmu 7fb30000.iommu: SMMUv1 with: <5>[ 4.687206] arm-smmu 7fb30000.iommu: stage 2 translation <5>[ 4.692938] arm-smmu 7fb30000.iommu: coherent table walk <5>[ 4.698664] arm-smmu 7fb30000.iommu: stream matching with 2 register groups <5>[ 4.706043] arm-smmu 7fb30000.iommu: 1 context banks (1 stage-2 only) <5>[ 4.712901] arm-smmu 7fb30000.iommu: Supported page sizes: 0x60211000 <5>[ 4.719751] arm-smmu 7fb30000.iommu: Stage-2: 40-bit IPA -> 40-bit PA <6>[ 4.772314] loop: module loaded <6>[ 4.777903] lkdtm: No crash points registered, enable through debugfs <6>[ 4.788081] megasas: 07.714.04.00-rc1 <6>[ 4.813353] thunder_xcv, ver 1.0 <6>[ 4.817052] thunder_bgx, ver 1.0 <6>[ 4.820746] nicpf, ver 1.0 <6>[ 4.827380] hclge is initializing <6>[ 4.831114] hns3: Hisilicon Ethernet Network Driver for Hip08 Family - version <6>[ 4.838665] hns3: Copyright (c) 2017 Huawei Corporation. <6>[ 4.844479] e1000: Intel(R) PRO/1000 Network Driver <6>[ 4.849696] e1000: Copyright (c) 1999-2006 Intel Corporation. <6>[ 4.855923] e1000e: Intel(R) PRO/1000 Network Driver <6>[ 4.861206] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. <6>[ 4.867591] igb: Intel(R) Gigabit Ethernet Network Driver <6>[ 4.873309] igb: Copyright (c) 2007-2014 Intel Corporation. <6>[ 4.879304] igbvf: Intel(R) Gigabit Virtual Function Network Driver <6>[ 4.885892] igbvf: Copyright (c) 2009 - 2012 Intel Corporation. <6>[ 4.893284] sky2: driver version 1.30 <6>[ 4.964785] smsc911x 18000000.ethernet eth0: MAC Address: 00:02:f7:00:58:4d <6>[ 4.975719] VFIO - User Level meta-driver version: 0.3 <6>[ 4.986853] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver <6>[ 4.993840] ehci-pci: EHCI PCI platform driver <6>[ 4.998715] ehci-platform: EHCI generic platform driver <6>[ 5.004915] ehci-platform 7ffc0000.usb: Adding to iommu group 0 <6>[ 5.011903] ehci-platform 7ffc0000.usb: EHCI Host Controller <6>[ 5.018083] ehci-platform 7ffc0000.usb: new USB bus registered, assigned bus number 1 <6>[ 5.026749] ehci-platform 7ffc0000.usb: irq 41, io mem 0x7ffc0000 <6>[ 5.048476] ehci-platform 7ffc0000.usb: USB 2.0 started, EHCI 1.00 <6>[ 5.058486] hub 1-0:1.0: USB hub found <6>[ 5.062762] hub 1-0:1.0: 1 port detected <6>[ 5.068770] ehci-orion: EHCI orion driver <6>[ 5.073459] ehci-exynos: EHCI Exynos driver <6>[ 5.078263] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver <6>[ 5.084816] ohci-pci: OHCI PCI platform driver <6>[ 5.089778] ohci-platform: OHCI generic platform driver <6>[ 5.095810] ohci-platform 7ffb0000.usb: Adding to iommu group 0 <6>[ 5.102366] ohci-platform 7ffb0000.usb: Generic Platform OHCI controller <6>[ 5.109438] ohci-platform 7ffb0000.usb: new USB bus registered, assigned bus number 2 <6>[ 5.117993] ohci-platform 7ffb0000.usb: irq 40, io mem 0x7ffb0000 <6>[ 5.206876] hub 2-0:1.0: USB hub found <6>[ 5.211061] hub 2-0:1.0: 1 port detected <6>[ 5.216728] ohci-exynos: OHCI Exynos driver <6>[ 5.222877] usbcore: registered new interface driver usb-storage <6>[ 5.242000] rtc-pl031 1c170000.rtc: registered as rtc0 <6>[ 5.247584] rtc-pl031 1c170000.rtc: setting system clock to 2000-01-01T00:03:02 UTC (946684982) <6>[ 5.258488] i2c /dev entries driver <6>[ 5.276135] sp805-wdt 1c0f0000.wdt: registration successful <6>[ 5.294437] sdhci: Secure Digital Host Controller Interface driver <6>[ 5.299455] mmci-pl18x 1c050000.mmci: mmc0: PL180 manf 41 rev0 at 0x1c050000 irq 16,0 (pio) <6>[ 5.300962] sdhci: Copyright(c) Pierre Ossman <6>[ 5.302505] Synopsys Designware Multimedia Card Interface Driver <6>[ 5.320631] usb 1-1: new high-speed USB device number 2 using ehci-platform <6>[ 5.330775] sdhci-pltfm: SDHCI platform and OF driver helper <6>[ 5.342236] leds-syscon 1c010000.apbregs:led0: registered LED (null) <6>[ 5.349755] leds-syscon 1c010000.apbregs:led1: registered LED (null) <6>[ 5.357083] leds-syscon 1c010000.apbregs:led2: registered LED (null) <6>[ 5.364444] leds-syscon 1c010000.apbregs:led3: registered LED (null) <6>[ 5.371744] leds-syscon 1c010000.apbregs:led4: registered LED (null) <6>[ 5.379066] leds-syscon 1c010000.apbregs:led5: registered LED (null) <6>[ 5.386380] leds-syscon 1c010000.apbregs:led6: registered LED (null) <6>[ 5.393690] leds-syscon 1c010000.apbregs:led7: registered LED (null) <6>[ 5.402820] ledtrig-cpu: registered to indicate activity on CPUs <6>[ 5.415183] usbcore: registered new interface driver usbhid <6>[ 5.421078] usbhid: USB HID core driver <6>[ 5.428339] mhu 2b1f0000.mhu: ARM MHU Mailbox registered <6>[ 5.449425] ipip: IPv4 and MPLS over IPv4 tunneling driver <6>[ 5.457140] IPv4 over IPsec tunneling driver <6>[ 5.464823] NET: Registered protocol family 10 <6>[ 5.474046] Segment Routing with IPv6 <6>[ 5.481260] NET: Registered protocol family 17 <6>[ 5.487694] 9pnet: Installing 9P2000 support <6>[ 5.491145] hub 1-1:1.0: USB hub found <5>[ 5.492518] Key type dns_resolver registered <6>[ 5.497214] hub 1-1:1.0: 4 ports detected <6>[ 5.502179] registered taskstats version 1 <5>[ 5.509819] Loading compiled-in X.509 certificates <3>[ 5.564509] scpi_protocol scpi: incorrect or no SCP firmware found <4>[ 5.571250] scpi_protocol: probe of scpi failed with error -110 <6>[ 5.587102] input: gpio-keys as /devices/platform/gpio-keys/input/input1 <4>[ 6.236523] atkbd serio0: keyboard reset failed on 1c060000.kmi <6>[ 6.464189] SMSC LAN911x Internal PHY 18000000.ethernet-ffffffff:01: attached PHY driver [SMSC LAN911x Internal PHY] (mii_bus:phy_addr=18000000.ethernet-ffffffff:01, irq=POLL) <6>[ 6.492526] smsc911x 18000000.ethernet eth0: SMSC911x/921x identified at 0xffff800014230000, IRQ: 15 <4>[ 7.484476] atkbd serio1: keyboard reset failed on 1c070000.kmi <6>[ 8.552710] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready <5>[ 8.572509] Sending DHCP requests .. <6>[ 14.162516] 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>[ 14.293356] psmouse serio0: Failed to enable mouse on 1c060000.kmi <4>[ 15.564491] ., OK <6>[ 15.582974] IP-Config: Got DHCP answer from 192.168.6.1, my address is 192.168.6.16 <6>[ 15.591047] IP-Config: Complete: <6>[ 15.594634] 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>[ 15.605077] host=192.168.6.16, domain=, nis-domain=(none) <6>[ 15.611254] bootserver=192.168.6.1, rootserver=192.168.56.230, rootpath= <6>[ 15.611279] nameserver0=10.255.253.1 <6>[ 15.624219] clk: Disabling unused clocks <6>[ 15.628681] ALSA device list: <6>[ 15.632091] No soundcards found. <6>[ 15.636984] uart-pl011 7ff80000.serial: no DMA platform data <6>[ 15.677151] Freeing unused kernel memory: 9792K <6>[ 15.682366] Run /init as init process Loading, please wait... Starting systemd-udevd version 252.22-1~deb12u1 <6>[ 18.778132] tda998x 0-0070: found TDA19988 <6>[ 18.919739] 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. <6>[ 20.831279] 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>[ 20.958843] psmouse serio1: Failed to enable mouse on 1c070000.kmi <30>[ 22.521446] systemd[1]: System time before build time, advancing clock. <30>[ 23.025888] systemd[1]: systemd 252.22-1~deb12u1 running in system mode (+PAM +AUDIT +SELINUX +APPARMOR +IMA +SMACK +SECCOMP +GCRYPT -GNUTLS +OPENSSL +ACL +BLKID +CURL +ELFUTILS +FIDO2 +IDN2 -IDN +IPTC +KMOD +LIBCRYPTSETUP +LIBFDISK +PCRE2 -PWQUALITY +P11KIT +QRENCODE +TPM2 +BZIP2 +LZ4 +XZ +ZLIB +ZSTD -BPF_FRAMEWORK -XKBCOMMON +UTMP +SYSVINIT default-hierarchy=unified) <30>[ 23.059446] systemd[1]: Detected architecture arm64. Welcome to [1mDebian GNU/Linux 12 (bookworm)[0m! <30>[ 23.114079] systemd[1]: Hostname set to . <30>[ 25.094674] systemd[1]: Queued start job for default target graphical.target. <30>[ 25.131583] systemd[1]: Created slice system-getty.slice - Slice /system/getty. [[0;32m OK [0m] Created slice [0;1;39msystem-getty.slice[0m - Slice /system/getty. <30>[ 25.162762] systemd[1]: Created slice system-modprobe.slice - Slice /system/modprobe. [[0;32m OK [0m] Created slice [0;1;39msystem-modpr…lice[0m - Slice /system/modprobe. <30>[ 25.196923] systemd[1]: Created slice system-serial\x2dgetty.slice - Slice /system/serial-getty. [[0;32m OK [0m] Created slice [0;1;39msystem-seria…[0m - Slice /system/serial-getty. <30>[ 25.225919] systemd[1]: Created slice user.slice - User and Session Slice. [[0;32m OK [0m] Created slice [0;1;39muser.slice[0m - User and Session Slice. <30>[ 25.250526] systemd[1]: Started systemd-ask-password-console.path - Dispatch Password Requests to Console Directory Watch. [[0;32m OK [0m] Started [0;1;39msystemd-ask-passwo…quests to Console Directory Watch. <30>[ 25.278101] systemd[1]: Started systemd-ask-password-wall.path - Forward Password Requests to Wall Directory Watch. [[0;32m OK [0m] Started [0;1;39msystemd-ask-passwo… Requests to Wall Directory Watch. <30>[ 25.305023] systemd[1]: proc-sys-fs-binfmt_misc.automount - Arbitrary Executable File Formats File System Automount Point was skipped because of an unmet condition check (ConditionPathExists=/proc/sys/fs/binfmt_misc). <30>[ 25.325002] systemd[1]: Expecting device dev-ttyAMA0.device - /dev/ttyAMA0... Expecting device [0;1;39mdev-ttyAMA0.device[0m - /dev/ttyAMA0... <30>[ 25.348739] systemd[1]: Reached target cryptsetup.target - Local Encrypted Volumes. [[0;32m OK [0m] Reached target [0;1;39mcryptsetup.…get[0m - Local Encrypted Volumes. <30>[ 25.372745] systemd[1]: Reached target integritysetup.target - Local Integrity Protected Volumes. [[0;32m OK [0m] Reached target [0;1;39mintegrityse…Local Integrity Protected Volumes. <30>[ 25.396942] systemd[1]: Reached target paths.target - Path Units. [[0;32m OK [0m] Reached target [0;1;39mpaths.target[0m - Path Units. <30>[ 25.416881] systemd[1]: Reached target remote-fs.target - Remote File Systems. [[0;32m OK [0m] Reached target [0;1;39mremote-fs.target[0m - Remote File Systems. <30>[ 25.440712] systemd[1]: Reached target slices.target - Slice Units. [[0;32m OK [0m] Reached target [0;1;39mslices.target[0m - Slice Units. <30>[ 25.460899] systemd[1]: Reached target swap.target - Swaps. [[0;32m OK [0m] Reached target [0;1;39mswap.target[0m - Swaps. <30>[ 25.480947] systemd[1]: Reached target veritysetup.target - Local Verity Protected Volumes. [[0;32m OK [0m] Reached target [0;1;39mveritysetup… - Local Verity Protected Volumes. <30>[ 25.506048] systemd[1]: Listening on systemd-initctl.socket - initctl Compatibility Named Pipe. [[0;32m OK [0m] Listening on [0;1;39msystemd-initc… initctl Compatibility Named Pipe. <30>[ 25.538290] systemd[1]: Listening on systemd-journald-audit.socket - Journal Audit Socket. [[0;32m OK [0m] Listening on [0;1;39msystemd-journ…socket[0m - Journal Audit Socket. <30>[ 25.568566] systemd[1]: Listening on systemd-journald-dev-log.socket - Journal Socket (/dev/log). [[0;32m OK [0m] Listening on [0;1;39msystemd-journ…t[0m - Journal Socket (/dev/log). <30>[ 25.595188] systemd[1]: Listening on systemd-journald.socket - Journal Socket. [[0;32m OK [0m] Listening on [0;1;39msystemd-journald.socket[0m - Journal Socket. <30>[ 25.624014] systemd[1]: Listening on systemd-networkd.socket - Network Service Netlink Socket. [[0;32m OK [0m] Listening on [0;1;39msystemd-netwo… - Network Service Netlink Socket. <30>[ 25.655337] systemd[1]: Listening on systemd-udevd-control.socket - udev Control Socket. [[0;32m OK [0m] Listening on [0;1;39msystemd-udevd….socket[0m - udev Control Socket. <30>[ 25.682632] systemd[1]: Listening on systemd-udevd-kernel.socket - udev Kernel Socket. [[0;32m OK [0m] Listening on [0;1;39msystemd-udevd…l.socket[0m - udev Kernel Socket. <30>[ 25.726220] systemd[1]: Mounting dev-hugepages.mount - Huge Pages File System... Mounting [0;1;39mdev-hugepages.mount[0m - Huge Pages File System... <30>[ 25.765043] systemd[1]: Mounting dev-mqueue.mount - POSIX Message Queue File System... Mounting [0;1;39mdev-mqueue.mount…POSIX Message Queue File System... <30>[ 25.805240] systemd[1]: Mounting sys-kernel-debug.mount - Kernel Debug File System... Mounting [0;1;39msys-kernel-debug.…[0m - Kernel Debug File System... <30>[ 25.844909] systemd[1]: Mounting sys-kernel-tracing.mount - Kernel Trace File System... Mounting [0;1;39msys-kernel-tracin…[0m - Kernel Trace File System... <30>[ 25.907383] 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>[ 25.950382] systemd[1]: Starting modprobe@configfs.service - Load Kernel Module configfs... Starting [0;1;39mmodprobe@configfs…m - Load Kernel Module configfs... <30>[ 25.993916] systemd[1]: Starting modprobe@dm_mod.service - Load Kernel Module dm_mod... Starting [0;1;39mmodprobe@dm_mod.s…[0m - Load Kernel Module dm_mod... <30>[ 26.037740] systemd[1]: Starting modprobe@drm.service - Load Kernel Module drm... Starting [0;1;39mmodprobe@drm.service[0m - Load Kernel Module drm... <30>[ 26.078271] systemd[1]: Starting modprobe@efi_pstore.service - Load Kernel Module efi_pstore... Starting [0;1;39mmodprobe@efi_psto…- Load Kernel Module efi_pstore... <6>[ 26.116752] device-mapper: ioctl: 4.43.0-ioctl (2020-10-01) initialised: dm-devel@redhat.com <30>[ 26.122404] systemd[1]: Starting modprobe@fuse.service - Load Kernel Module fuse... Starting [0;1;39mmodprobe@fuse.ser…e[0m - Load Kernel Module fuse... <30>[ 26.166413] systemd[1]: Starting modprobe@loop.service - Load Kernel Module loop... Starting [0;1;39mmodprobe@loop.ser…e[0m - Load Kernel Module loop... <30>[ 26.219674] systemd[1]: Starting systemd-journald.service - Journal Service... Starting [0;1;39msystemd-journald.service[0m - Journal Service... <6>[ 26.245791] fuse: init (API version 7.32) <30>[ 26.267802] systemd[1]: Starting systemd-modules-load.service - Load Kernel Modules... Starting [0;1;39msystemd-modules-l…rvice[0m - Load Kernel Modules... <30>[ 26.313726] systemd[1]: Starting systemd-network-generator.service - Generate network units from Kernel command line... Starting [0;1;39msystemd-network-g… units from Kernel command line... <30>[ 26.357666] systemd[1]: Starting systemd-remount-fs.service - Remount Root and Kernel File Systems... Starting [0;1;39msystemd-remount-f…nt Root and Kernel File Systems... <30>[ 26.401649] systemd[1]: Starting systemd-udev-trigger.service - Coldplug All udev Devices... Starting [0;1;39msystemd-udev-trig…[0m - Coldplug All udev Devices... <30>[ 26.460263] systemd[1]: Mounted dev-hugepages.mount - Huge Pages File System. [[0;32m OK [0m] Mounted [0;1;39mdev-hugepages.mount[0m - Huge Pages File System. <30>[ 26.487596] systemd[1]: Mounted dev-mqueue.mount - POSIX Message Queue File System. [[0;32m OK [0m] Mounted [0;1;39mdev-mqueue.mount[…- POSIX Message Queue File System. <30>[ 26.516155] systemd[1]: Mounted sys-kernel-debug.mount - Kernel Debug File System. [[0;32m OK [0m] Mounted [0;1;39msys-kernel-debug.m…nt[0m - Kernel Debug File System. <30>[ 26.543863] systemd[1]: Mounted sys-kernel-tracing.mount - Kernel Trace File System. [[0;32m OK [0m] Mounted [0;1;39msys-kernel-tracing…nt[0m - Kernel Trace File System. <30>[ 26.576258] systemd[1]: Finished kmod-static-nodes.service - Create List of Static Device Nodes. [[0;32m OK [0m] Finished [0;1;39mkmod-static-nodes…reate List of Static Device Nodes. <30>[ 26.612678] systemd[1]: modprobe@configfs.service: Deactivated successfully. <30>[ 26.624147] systemd[1]: Finished modprobe@configfs.service - Load Kernel Module configfs. [[0;32m OK [0m] Finished [0;1;39mmodprobe@configfs…[0m - Load Kernel Module configfs. <30>[ 26.663822] systemd[1]: modprobe@dm_mod.service: Deactivated successfully. <30>[ 26.676017] systemd[1]: Finished modprobe@dm_mod.service - Load Kernel Module dm_mod. [[0;32m OK [0m] Finished [0;1;39mmodprobe@dm_mod.s…e[0m - Load Kernel Module dm_mod. <30>[ 26.707911] systemd[1]: modprobe@drm.service: Deactivated successfully. <30>[ 26.719947] systemd[1]: Finished modprobe@drm.service - Load Kernel Module drm. [[0;32m OK [0m] Finished [0;1;39mmodprobe@drm.service[0m - Load Kernel Module drm. <30>[ 26.756789] systemd[1]: modprobe@efi_pstore.service: Deactivated successfully. <30>[ 26.768663] systemd[1]: Finished modprobe@efi_pstore.service - Load Kernel Module efi_pstore. [[0;32m OK [0m] Finished [0;1;39mmodprobe@efi_psto…m - Load Kernel Module efi_pstore. <30>[ 26.803871] systemd[1]: modprobe@fuse.service: Deactivated successfully. <30>[ 26.815683] systemd[1]: Finished modprobe@fuse.service - Load Kernel Module fuse. [[0;32m OK [0m] Finished [0;1;39mmodprobe@fuse.service[0m - Load Kernel Module fuse. <30>[ 26.852425] systemd[1]: modprobe@loop.service: Deactivated successfully. <30>[ 26.865822] 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>[ 26.891488] systemd[1]: Started systemd-journald.service - Journal Service. [[0;32m OK [0m] Started [0;1;39msystemd-journald.service[0m - Journal Service. [[0;32m OK [0m] Finished [0;1;39msystemd-modules-l…service[0m - Load Kernel Modules. [[0;32m OK [0m] Finished [0;1;39msystemd-network-g…rk units from Kernel command line. [[0;32m OK [0m] Finished [0;1;39msystemd-remount-f…ount Root and Kernel File Systems. [[0;32m OK [0m] Reached target [0;1;39mnetwork-pre…get[0m - Preparation for Network. Mounting [0;1;39msys-fs-fuse-conne…[0m - FUSE Control File System... Mounting [0;1;39msys-kernel-config…ernel Configuration File System... Starting [0;1;39msystemd-journal-f…h Journal to Persistent Storage... Starting [0;1;39msystemd-random-se…ice[0m - Load/Save Random Seed... Starting [0;1;39msystemd-sysctl.se…ce[0m - Apply Kernel Variables... Starting [0;1;39msystemd-sysusers.…rvice[0m - Create System Users... [[0;32m OK [0m] Mounted [0;1;39msys-fs-fuse-connec…nt[0m - FUSE Control File System. [[0;32m OK [0m] Mounted [0;1;39msys-kernel-config.… Kernel Configuration File System. <46>[ 27.351031] 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>[ 28.664862] 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] Finished [0;1;39msystemd-journal-f…ush Journal to Persistent Storage. [[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-tmpfiles-… Volatile Files and Directories... Starting [0;1;39msystemd-udevd.ser…ger for Device Events and Files... [[0;32m OK [0m] Finished [0;1;39msystemd-udev-trig…e[0m - Coldplug All udev Devices. [[0;32m OK [0m] Started [0;1;39msystemd-udevd.serv…nager for Device Events and Files. Starting [0;1;39msystemd-networkd.…ice[0m - Network Configuration... [[0;32m OK [0m] Finished [0;1;39msystemd-tmpfiles-…te Volatile Files and Directories. Starting [0;1;39msystemd-timesyncd… - Network Time Synchronization... Starting [0;1;39msystemd-update-ut…rd System Boot/Shutdown in UTMP... [[0;32m OK [0m] Found device [0;1;39mdev-ttyAMA0.device[0m - /dev/ttyAMA0. [[0;32m OK [0m] Finished [0;1;39msystemd-update-ut…cord System Boot/Shutdown in UTMP. <5>[ 31.854969] cfg80211: Loading compiled-in X.509 certificates for regulatory database <5>[ 31.989415] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' <5>[ 31.997495] cfg80211: Loaded X.509 cert 'wens: 61c038651aabdcf94bd0ac7ff06c7248db18c600' [[0;32m OK [0m] Started [0;1;39msystemd-timesyncd.…0m - Ne<4>[ 32.011308] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 twork Time Synchronization. <4>[ 32.026645] platform regulatory.0: Falling back to sysfs fallback for: regulatory.db [[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>[ 32.165890] systemd-journald[253]: Oldest entry in /var/log/journal/44a983756b26438995e691b947c527e4/system.journal is older than the configured file retention duration (1month), suggesting rotation. <46>[ 32.185068] 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. <6>[ 32.608573] cfg80211: failed to load regulatory.db 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... [[0;32m OK [0m] Started [0;1;39msystemd-networkd.service[0m - Network Configuration. [[0;32m OK [0m] Reached target [0;1;39mnetwork.target[0m - Network. [[0;32m OK [0m] Listening on [0;1;39msystemd-rfkil…l Switch Status /dev/rfkill Watch. Starting [0;1;39msystemd-user-sess…vice[0m - Permit User Sessions... [[0;32m OK [0m] Finished [0;1;39msystemd-user-sess…ervice[0m - Permit User Sessions. [[0;32m OK [0m] Started [0;1;39mgetty@tty1.service[0m - Getty on tty1. [[0;32m OK [0m] Started [0;1;39mserial-getty@ttyAM…ice[0m - Serial Getty on ttyAMA0. [[0;32m OK [0m] Reached target [0;1;39mgetty.target[0m - Login Prompts. [[0;32m OK [0m] Started [0;1;39mdbus.service[0m - D-Bus System Message Bus. [[0;32m OK [0m] Finished [0;1;39me2scrub_reap.serv…ine ext4 Metadata Check Snapshots. [[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 5.10.226-cip52 #1 SMP PREEMPT Mon Sep 16 16:19:18 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/734023/extract-nfsrootfs-n626wu88' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/734023/extract-nfsrootfs-n626wu88' / # export NFS_SERVER_IP='192.168.56.230' export NFS_SERVER_IP='192.168.56.230' / # # # / # export SHELL=/bin/bash export SHELL=/bin/bash / # . /lava-734023/environment . /lava-734023/environment / # /lava-734023/bin/lava-test-runner /lava-734023/0 /lava-734023/bin/lava-test-runner /lava-734023/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-734023/0/tests/0_timesync-off ++ cat uuid + UUID=734023_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-734023/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=734023_1.6.2.4.5 + set +x + cd ./automated/linux/kselftest/ + ./kselftest.sh -c lkdtm -T '' -t kselftest_armhf.tar.gz -s True -u http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.224-cip52-338-gd71bf444e651b/arm64/defconfig+kselftest/gcc-12/kselftest.tar.xz -L '' -S /dev/null -b juno-uboot -g cip-gitlab -e '' -p /opt/kselftests/mainline/ -n 1 -i 1 -E '' INFO: install_deps skipped --2024-09-16 18:47:02-- http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.224-cip52-338-gd71bf444e651b/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: 2017228 (1.9M) [application/octet-stream] Saving to: 'kselftest_armhf.tar.gz' kselftest_armhf.tar 0%[ ] 0 --.-KB/s kselftest_armhf.tar 2%[ ] 41.48K 143KB/s kselftest_armhf.tar 3%[ ] 71.45K 125KB/s kselftest_armhf.tar 5%[> ] 110.82K 129KB/s kselftest_armhf.tar 7%[> ] 155.82K 147KB/s kselftest_armhf.tar 9%[> ] 181.14K 140KB/s kselftest_armhf.tar 11%[=> ] 225.70K 151KB/s kselftest_armhf.tar 13%[=> ] 257.07K 149KB/s kselftest_armhf.tar 15%[==> ] 307.70K 153KB/s kselftest_armhf.tar 18%[==> ] 355.51K 160KB/s kselftest_armhf.tar 19%[==> ] 383.64K 157KB/s kselftest_armhf.tar 22%[===> ] 434.26K 164KB/s kselftest_armhf.tar 23%[===> ] 465.20K 162KB/s kselftest_armhf.tar 26%[====> ] 519.60K 168KB/s eta 9s kselftest_armhf.tar 28%[====> ] 552.39K 167KB/s eta 9s kselftest_armhf.tar 31%[=====> ] 611.01K 174KB/s eta 9s kselftest_armhf.tar 32%[=====> ] 646.60K 173KB/s eta 9s kselftest_armhf.tar 35%[======> ] 705.67K 179KB/s eta 9s kselftest_armhf.tar 38%[======> ] 749.26K 179KB/s eta 7s kselftest_armhf.tar 41%[=======> ] 814.92K 191KB/s eta 7s kselftest_armhf.tar 43%[=======> ] 857.54K 193KB/s eta 7s kselftest_armhf.tar 47%[========> ] 926.01K 206KB/s eta 7s kselftest_armhf.tar 49%[========> ] 975.67K 207KB/s eta 7s kselftest_armhf.tar 53%[=========> ] 1.02M 214KB/s eta 5s kselftest_armhf.tar 55%[==========> ] 1.07M 220KB/s eta 5s kselftest_armhf.tar 59%[==========> ] 1.14M 226KB/s eta 5s <4>[ 66.624743] arm-smmu 2b600000.iommu: deferred probe timeout, ignoring dependency <4>[ 66.632522] arm-smmu: probe of 2b600000.iommu failed with error -110 kselftest_armhf.tar 62%[===========> ] 1.20M 233KB/s eta 5s kselftest_armhf.tar 65%[============> ] 1.26M 244KB/s eta 5s <4>[ 67.132751] amba 20010000.etf: deferred probe timeout, ignoring dependency <4>[ 67.140142] amba 20030000.tpiu: deferred probe timeout, ignoring dependency <4>[ 67.147518] amba 20040000.funnel: deferred probe timeout, ignoring dependency <4>[ 67.155073] amba 20070000.etr: deferred probe timeout, ignoring dependency <4>[ 67.162353] amba 20100000.stm: deferred probe timeout, ignoring dependency <4>[ 67.169630] amba 20120000.replicator: deferred probe timeout, ignoring dependency <4>[ 67.177511] amba 22010000.cpu-debug: deferred probe timeout, ignoring dependency <4>[ 67.185303] amba 22040000.etm: deferred probe timeout, ignoring dependency <4>[ 67.192593] amba 220c0000.funnel: deferred probe timeout, ignoring dependency <4>[ 67.200140] amba 22110000.cpu-debug: deferred probe timeout, ignoring dependency <4>[ 67.207937] amba 22140000.etm: deferred probe timeout, ignoring dependency <4>[ 67.215214] amba 23010000.cpu-debug: deferred probe timeout, ignoring dependency <4>[ 67.223011] amba 23040000.etm: deferred probe timeout, ignoring dependency <4>[ 67.230288] amba 230c0000.funnel: deferred probe timeout, ignoring dependency <4>[ 67.237841] amba 23110000.cpu-debug: deferred probe timeout, ignoring dependency <4>[ 67.245632] amba 23140000.etm: deferred probe timeout, ignoring dependency <4>[ 67.252926] amba 23210000.cpu-debug: deferred probe timeout, ignoring dependency <4>[ 67.260743] amba 23240000.etm: deferred probe timeout, ignoring dependency kselftest_armhf.tar 68%[========<4>[ 67.268058] amba 23310000.cpu-debug: deferred probe timeout, ignoring dependency ====> ] 1.33M 250KB/s <4>[ 67.278612] amba 23340000.etm: deferred probe timeout, ignoring dependency eta 3s kselftest_armhf.tar 69%[============> ] 1.34M 245KB/s eta 3s kselftest_armhf.tar 74%[=============> ] 1.44M 259KB/s eta 3s kselftest_armhf.tar 77%[==============> ] 1.49M 259KB/s eta 3s kselftest_armhf.tar 80%[===============> ] 1.56M 267KB/s eta 3s kselftest_armhf.tar 83%[===============> ] 1.61M 269KB/s eta 1s kselftest_armhf.tar 87%[================> ] 1.68M 278KB/s eta 1s kselftest_armhf.tar 90%[=================> ] 1.74M 279KB/s eta 1s kselftest_armhf.tar 94%[=================> ] 1.82M 288KB/s eta 1s kselftest_armhf.tar 98%[==================> ] 1.89M 295KB/s eta 1s kselftest_armhf.tar 100%[===================>] 1.92M 297KB/s in 8.4s 2024-09-16 18:47:11 (236 KB/s) - 'kselftest_armhf.tar.gz' saved [2017228/2017228] 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>[ 90.621684] 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>[ 92.270206] lkdtm: Performing direct entry BUG <4>[ 92.275247] ------------[ cut here ]------------ <2>[ 92.280165] kernel BUG at drivers/misc/lkdtm/bugs.c:76! <0>[ 92.285980] Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP <4>[ 92.293053] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables tda998x cec drm_kms_helper crct10dif_ce drm smsc <4>[ 92.304836] CPU: 0 PID: 704 Comm: cat Tainted: G W 5.10.226-cip52 #1 <4>[ 92.312773] Hardware name: ARM Juno development board (r0) (DT) <4>[ 92.318973] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 92.325267] pc : lkdtm_BUG+0x8/0x10 <4>[ 92.329032] lr : lkdtm_do_action+0x24/0x40 <4>[ 92.333400] sp : ffff8000147b3d10 <4>[ 92.336986] x29: ffff8000147b3d10 x28: ffff000800c63100 <4>[ 92.342587] x27: 0000000000000000 x26: 0000000000000000 <4>[ 92.348188] x25: ffff8000114db478 x24: ffff8000147b3e20 <4>[ 92.353788] x23: 0000000000000004 x22: ffff0008057dd000 <4>[ 92.359389] x21: ffff8000119f0fc8 x20: 0000000000000001 <4>[ 92.364989] x19: ffff8000114db498 x18: 0000000000000006 <4>[ 92.370590] x17: 0000000000000100 x16: 0000000000000000 <4>[ 92.376191] x15: ffff8000147b3870 x14: 0000000000000028 <4>[ 92.381791] x13: 0000000000000003 x12: ffff8000129ebb50 <4>[ 92.387391] x11: 0000000000000018 x10: ffff8000125fc128 <4>[ 92.392991] x9 : ffff800010a0a474 x8 : 00000000ffffefff <4>[ 92.398592] x7 : ffff8000125fc128 x6 : ffff800012575000 <4>[ 92.404192] x5 : ffff800012575c88 x4 : ffff00097ef08c68 <4>[ 92.409792] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 92.415392] x1 : ffff000800c63100 x0 : ffff800010a0ab00 <4>[ 92.420993] Call trace: <4>[ 92.423713] lkdtm_BUG+0x8/0x10 <4>[ 92.427129] direct_entry+0xc8/0x130 <4>[ 92.430980] full_proxy_write+0x68/0xbc <4>[ 92.435092] vfs_write+0xec/0x22c <4>[ 92.438680] ksys_write+0x78/0x110 <4>[ 92.442356] __arm64_sys_write+0x24/0x30 <4>[ 92.446557] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 92.451626] do_el0_svc+0x2c/0xa4 <4>[ 92.455216] el0_svc+0x20/0x30 <4>[ 92.458545] el0_sync_handler+0xe8/0x114 <4>[ 92.462743] el0_sync+0x180/0x1c0 <0>[ 92.466336] Code: d503201f d503201f aa1e03e9 d503201f (d4210000) <4>[ 92.472714] ---[ end trace 61925da2c52a7bdc ]--- <6>[ 92.477608] note: cat[704] exited with preempt_count 1 <3>[ 92.483024] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 92.492184] in_atomic(): 0, irqs_disabled(): 128, non_block: 0, pid: 704, name: cat <4>[ 92.500122] INFO: lockdep is turned off. <4>[ 92.504318] irq event stamp: 1936 <4>[ 92.507911] hardirqs last enabled at (1935): [] console_unlock+0x62c/0x664 <4>[ 92.516725] hardirqs last disabled at (1936): [] el1_dbg+0x24/0x50 <4>[ 92.524755] softirqs last enabled at (1932): [] __do_softirq+0x4dc/0x564 <4>[ 92.533396] softirqs last disabled at (1927): [] __irq_exit_rcu+0x170/0x194 <4>[ 92.542209] CPU: 0 PID: 704 Comm: cat Tainted: G D W 5.10.226-cip52 #1 <4>[ 92.550148] Hardware name: ARM Juno development board (r0) (DT) <4>[ 92.556345] Call trace: <4>[ 92.559065] dump_backtrace+0x0/0x200 <4>[ 92.563002] show_stack+0x20/0x2c <4>[ 92.566592] dump_stack+0x108/0x154 <4>[ 92.570357] ___might_sleep+0x144/0x214 <4>[ 92.574468] __might_sleep+0x5c/0x9c <4>[ 92.578320] exit_signals+0x34/0x240 <4>[ 92.582171] do_exit+0xd0/0xb00 <4>[ 92.585588] make_task_dead+0x5c/0x90 <4>[ 92.589525] die+0x244/0x28c <4>[ 92.592679] bug_handler+0x58/0x80 <4>[ 92.596357] call_break_hook+0x70/0x84 <4>[ 92.600382] brk_handler+0x24/0x64 <4>[ 92.604062] do_debug_exception+0xd0/0x150 <4>[ 92.608436] el1_dbg+0x34/0x50 <4>[ 92.611765] el1_sync_handler+0xc8/0xe4 <4>[ 92.615877] el1_sync+0x88/0x140 <4>[ 92.619382] lkdtm_BUG+0x8/0x10 <4>[ 92.622798] direct_entry+0xc8/0x130 <4>[ 92.626649] full_proxy_write+0x68/0xbc <4>[ 92.630762] vfs_write+0xec/0x22c <4>[ 92.634352] ksys_write+0x78/0x110 <4>[ 92.638029] __arm64_sys_write+0x24/0x30 <4>[ 92.642231] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 92.647301] do_el0_svc+0x2c/0xa4 <4>[ 92.650891] el0_svc+0x20/0x30 <4>[ 92.654221] el0_sync_handler+0xe8/0x114 <4>[ 92.658420] el0_sync+0x180/0x1c0 <4>[ 92.663591] ------------[ cut here ]------------ <4>[ 92.668503] WARNING: CPU: 0 PID: 0 at kernel/rcu/tree.c:625 rcu_eqs_enter.constprop.0+0xfc/0x14c # Segmentation fault <4>[ 92.677574] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables tda998x cec drm_kms_helper crct10dif_ce drm smsc <4>[ 92.691159] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G D W 5.10.226-cip52 #1 <4>[ 92.699443] Hardware name: ARM Juno development board (r0) (DT) <4>[ 92.705643] pstate: 200003c5 (nzCv DAIF -PAN -UAO -TCO BTYPE=--) <4>[ 92.711931] pc : rcu_eqs_enter.constprop.0+0xfc/0x14c <4>[ 92.717263] lr : rcu_idle_enter+0x24/0xec <4>[ 92.721544] sp : ffff800012553e10 <4>[ 92.725130] x29: ffff800012553e10 x28: 0000000081dc0018 <4>[ 92.730731] x27: 00000000fef4a810 x26: 0000000000000000 <4>[ 92.736331] x25: 0000000000000000 x24: 00000015932dcf14 <4>[ 92.741932] x23: 0000000000000000 x22: ffff0008070ea880 <4>[ 92.747533] x21: 0000000000000000 x20: ffff800011dc3400 <4>[ 92.753134] x19: ffff00097ef1e400 x18: 0000000000000000 <4>[ 92.758734] x17: 0000000000000000 x16: 0000000000000000 <4>[ 92.764334] x15: 0000000000000003 x14: 0000000000000001 <4>[ 92.769934] x13: 0000000000000000 x12: 0000000000000002 <4>[ 92.775534] x11: 0000000000000040 x10: 0000000000001440 <4>[ 92.781134] x9 : ffff800010e3d96c x8 : ffff800012581720 <4>[ 92.786735] x7 : 0000000000000000 x6 : 00000001d253f269 <4>[ 92.792336] x5 : 00ffffffffffffff x4 : 0000000000000015 <4>[ 92.797936] x3 : 000000000458574c x2 : 0000000000000004 <4>[ 92.803537] x1 : 4000000000000002 x0 : 4000000000000000 <4>[ 92.809137] Call trace: <4>[ 92.811858] rcu_eqs_enter.constprop.0+0xfc/0x14c <4>[ 92.816839] rcu_idle_enter+0x24/0xec <4>[ 92.820778] cpuidle_enter_state+0x23c/0x320 <4>[ 92.825324] cpuidle_enter+0x40/0x60 <4>[ 92.829176] do_idle+0x240/0x2d0 <4>[ 92.832679] cpu_startup_entry+0x2c/0x6c <4>[ 92.836878] rest_init+0x174/0x2a0 <4>[ 92.840557] arch_call_rest_init+0x18/0x24 <4>[ 92.844929] start_kernel+0x574/0x5ac <4>[ 92.848863] irq event stamp: 1169274 <4>[ 92.852717] hardirqs last enabled at (1169273): [] tick_nohz_idle_exit+0x78/0x1a0 <4>[ 92.862139] hardirqs last disabled at (1169274): [] __schedule+0x6a8/0x920 <4>[ 92.870866] softirqs last enabled at (1169270): [] _local_bh_enable+0x2c/0x50 <4>[ 92.879939] softirqs last disabled at (1169269): [] irq_enter_rcu+0x7c/0xa0 <4>[ 92.888746] ---[ end trace 61925da2c52a7bdd ]--- # [ 92.270206] lkdtm: Performing direct entry BUG # [ 92.275247] ------------[ cut here ]------------ # [ 92.280165] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 92.285980] Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP # [ 92.293053] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables tda998x cec drm_kms_helper crct10dif_ce drm smsc # [ 92.304836] CPU: 0 PID: 704 Comm: cat Tainted: G W 5.10.226-cip52 #1 # [ 92.312773] Hardware name: ARM Juno development board (r0) (DT) # [ 92.318973] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 92.325267] pc : lkdtm_BUG+0x8/0x10 # [ 92.329032] lr : lkdtm_do_action+0x24/0x40 # [ 92.333400] sp : ffff8000147b3d10 # [ 92.336986] x29: ffff8000147b3d10 x28: ffff000800c63100 # [ 92.342587] x27: 0000000000000000 x26: 0000000000000000 # [ 92.348188] x25: ffff8000114db478 x24: ffff8000147b3e20 # [ 92.353788] x23: 0000000000000004 x22: ffff0008057dd000 # [ 92.359389] x21: ffff8000119f0fc8 x20: 0000000000000001 # [ 92.364989] x19: ffff8000114db498 x18: 0000000000000006 # [ 92.370590] x17: 0000000000000100 x16: 0000000000000000 # [ 92.376191] x15: ffff8000147b3870 x14: 0000000000000028 # [ 92.381791] x13: 0000000000000003 x12: ffff8000129ebb50 # [ 92.387391] x11: 0000000000000018 x10: ffff8000125fc128 # [ 92.392991] x9 : ffff800010a0a474 x8 : 00000000ffffefff # [ 92.398592] x7 : ffff8000125fc128 x6 : ffff800012575000 # [ 92.404192] x5 : ffff800012575c88 x4 : ffff00097ef08c68 # [ 92.409792] x3 : 0000000000000000 x2 : 0000000000000000 # [ 92.415392] x1 : ffff000800c63100 x0 : ffff800010a0ab00 # [ 92.420993] Call trace: # [ 92.423713] lkdtm_BUG+0x8/0x10 # [ 92.427129] direct_entry+0xc8/0x130 # [ 92.430980] full_proxy_write+0x68/0xbc # [ 92.435092] vfs_write+0xec/0x22c # [ 92.438680] ksys_write+0x78/0x110 # [ 92.442356] __arm64_sys_write+0x24/0x30 # [ 92.446557] el0_svc_common.constprop.0+0x84/0x1e0 # [ 92.451626] do_el0_svc+0x2c/0xa4 # [ 92.455216] el0_svc+0x20/0x30 # [ 92.458545] el0_sync_handler+0xe8/0x114 # [ 92.462743] el0_sync+0x180/0x1c0 # [ 92.466336] Code: d503201f d503201f aa1e03e9 d503201f (d4210000) # [ 92.472714] ---[ end trace 61925da2c52a7bdc ]--- # [ 92.477608] note: cat[704] exited with preempt_count 1 # [ 92.483024] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 92.492184] in_atomic(): 0, irqs_disabled(): 128, non_block: 0, pid: 704, name: cat # [ 92.500122] INFO: lockdep is turned off. # [ 92.504318] irq event stamp: 1936 # [ 92.507911] hardirqs last enabled at (1935): [] console_unlock+0x62c/0x664 # [ 92.516725] hardirqs last disabled at (1936): [] el1_dbg+0x24/0x50 # [ 92.524755] softirqs last enabled at (1932): [] __do_softirq+0x4dc/0x564 # [ 92.533396] softirqs last disabled at (1927): [] __irq_exit_rcu+0x170/0x194 # [ 92.542209] CPU: 0 PID: 704 Comm: cat Tainted: G D W 5.10.226-cip52 #1 # [ 92.550148] Hardware name: ARM Juno development board (r0) (DT) # [ 92.556345] Call trace: # [ 92.559065] dump_backtrace+0x0/0x200 # [ 92.563002] show_stack+0x20/0x2c # [ 92.566592] dump_stack+0x108/0x154 # [ 92.570357] ___might_sleep+0x144/0x214 # [ 92.574468] __might_sleep+0x5c/0x9c # [ 92.578320] exit_signals+0x34/0x240 # [ 92.582171] do_exit+0xd0/0xb00 # [ 92.585588] make_task_dead+0x5c/0x90 # [ 92.589525] die+0x244/0x28c # [ 92.592679] bug_handler+0x58/0x80 # [ 92.596357] call_break_hook+0x70/0x84 # [ 92.600382] brk_handler+0x24/0x64 # [ 92.604062] do_debug_exception+0xd0/0x150 # [ 92.608436] el1_dbg+0x34/0x50 # [ 92.611765] el1_sync_handler+0xc8/0xe4 # [ 92.615877] el1_sync+0x88/0x140 # [ 92.619382] lkdtm_BUG+0x8/0x10 # [ 92.622798] direct_entry+0xc8/0x130 # [ 92.626649] full_proxy_write+0x68/0xbc # [ 92.630762] vfs_write+0xec/0x22c # [ 92.634352] ksys_write+0x78/0x110 # [ 92.638029] __arm64_sys_write+0x24/0x30 # [ 92.642231] el0_svc_common.constprop.0+0x84/0x1e0 # [ 92.647301] do_el0_svc+0x2c/0xa4 # [ 92.650891] el0_svc+0x20/0x30 # [ 92.654221] el0_sync_handler+0xe8/0x114 # [ 92.658420] el0_sync+0x180/0x1c0 # [ 92.663591] ------------[ cut here ]------------ # [ 92.668503] WARNING: CPU: 0 PID: 0 at kernel/rcu/tree.c:625 rcu_eqs_enter.constprop.0+0xfc/0x14c # [ 92.677574] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables tda998x cec drm_kms_helper crct10dif_ce drm smsc # [ 92.691159] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G D W 5.10.226-cip52 #1 # [ 92.699443] Hardware name: ARM Juno development board (r0) (DT) # [ 92.705643] pstate: 200003c5 (nzCv DAIF -PAN -UAO -TCO BTYPE<6>[ 93.419372] lkdtm: Performing direct entry WARNING =--) # [ 92.711931] pc : rcu_<4>[ 93.426875] ------------[ cut here ]------------ <4>[ 93.434362] WARNING: CPU: 0 PID: 743 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x28/0x34 <4>[ 93.443083] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables tda998x cec drm_kms_helper crct10dif_ce drm smsc <4>[ 93.454867] CPU: 0 PID: 743 Comm: cat Tainted: G D W 5.10.226-cip52 #1 <4>[ 93.462805] Hardware name: ARM Juno development board (r0) (DT) <4>[ 93.469005] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 93.475293] pc : lkdtm_WARNING+0x28/0x34 <4>[ 93.479492] lr : lkdtm_do_action+0x24/0x40 <4>[ 93.483861] sp : ffff80001485bd10 <4>[ 93.487446] x29: ffff80001485bd10 x28: ffff000806c70000 <4>[ 93.493049] x27: 0000000000000000 x26: 0000000000000000 <4>[ 93.498649] x25: ffff8000114db478 x24: ffff80001485be20 <4>[ 93.504250] x23: 0000000000000008 x22: ffff000805c1e000 <4>[ 93.509850] x21: ffff8000119f0fd0 x20: 0000000000000002 <4>[ 93.515451] x19: ffff8000114db4a8 x18: 0000000000000006 <4>[ 93.521051] x17: 0000000000000100 x16: 0000000000000000 <4>[ 93.526652] x15: ffff80001485b870 x14: ffff80009485ba2a <4>[ 93.532253] x13: ffff80001485ba32 x12: 0000000000000000 <4>[ 93.537853] x11: 0000000000000038 x10: ffff8000125fc128 <4>[ 93.543454] x9 : ffff800010a0a474 x8 : 00000000ffffefff <4>[ 93.549055] x7 : ffff8000125fc128 x6 : ffff800012575000 <4>[ 93.554656] x5 : ffff800012575c88 x4 : ffff00097ef08c68 <4>[ 93.560256] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 93.565857] x1 : ffff8000134b9000 x0 : 0000000000000001 <4>[ 93.571457] Call trace: <4>[ 93.574178] lkdtm_WARNING+0x28/0x34 <4>[ 93.578029] direct_entry+0xc8/0x130 <4>[ 93.581881] full_proxy_write+0x68/0xbc <4>[ 93.585993] vfs_write+0xec/0x22c <4>[ 93.589582] ksys_write+0x78/0x110 <4>[ 93.593257] __arm64_sys_write+0x24/0x30 <4>[ 93.597459] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 93.602528] do_el0_svc+0x2c/0xa4 <4>[ 93.606118] el0_svc+0x20/0x30 <4>[ 93.609447] el0_sync_handler+0xe8/0x114 <4>[ 93.613645] el0_sync+0x180/0x1c0 <4>[ 93.617232] irq event stamp: 0 <4>[ 93.620562] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 93.627113] hardirqs last disabled at (0): [] copy_process+0x5f4/0x1df4 <4>[ 93.635578] softirqs last enabled at (0): [] copy_process+0x5f4/0x1df4 <4>[ 93.644040] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 93.650585] ---[ end trace 61925da2c52a7bde ]--- eqs_enter.constprop.0+0xfc/0x14c # [ 92.717263] lr : rcu_idle_enter+0x24/0xec # [ 92.721544] sp : ffff800012553e10 # [ 92.725130] x29: ffff800012553e10 x28: 0000000081dc0018 # [ 92.730731] x27: 00000000fef4a810 x26: 0000000000000000 # [ 92.736331] x25: 0000000000000000 x24: 00000015932dcf14 # [ 92.741932] x23: 0000000000000000 x22: ffff0008070ea880 # [ 92.747533] x21: 0000000000000000 x20: ffff800011dc3400 # [ 92.753134] x19: ffff00097ef1e400 x18: 0000000000000000 # [ 92.758734] x17: 0000000000000000 x16: 0000000000000000 # [ 92.764334] x15: 0000000000000003 x14: 0000000000000001 # [ 92.769934] x13: 0000000000000000 x12: 0000000000000002 # [ 92.775534] x11: 0000000000000040 x10: 0000000000001440 # [ 92.781134] x9 : ffff800010e3d96c x8 : ffff800012581720 # [ 92.786735] x7 : 0000000000000000 x6 : 00000001d253f269 # [ 92.792336] x5 : 00ffffffffffffff x4 : 0000000000000015 # [ 92.797936] x3 : 000000000458574c x2 : 0000000000000004 # [ 92.803537] x1 : 4000000000000002 x0 : 4000000000000000 # [ 92.809137] Call trace: # [ 92.811858] rcu_eqs_enter.constprop.0+0xfc/0x14c # [ 92.816839] rcu_idle_enter+0x24/0xec # [ 92.820778] cpuidle_enter_state+0x23c/0x320 # [ 92.825324] cpuidle_enter+0x40/0x60 # [ 92.829176] do_idle+0x240/0x2d0 # [ 92.832679] cpu_startup_entry+0x2c/0x6c # [ 92.836878] rest_init+0x174/0x2a0 # [ 92.840557] arch_call_rest_init+0x18/0x24 # [ 92.844929] start_kernel+0x574/0x5ac # [ 92.848863] irq event stamp: 1169274 # [ 92.852717] hardirqs last enabled at (1169273): [] tick_nohz_idle_exit+0x78/0x1a0 # [ 92.862139] hardirqs last disabled at (1169274): [] __schedule+0x6a8/0x920 # [ 92.870866] softirqs last enabled at (1169270): [] _local_bh_enable+0x2c/0x50 # [ 92.879939] softirqs last disabled at (1169269): [] irq_enter_rcu+0x7c/0xa0 # [ 92.888746] ---[ end trace 61925da2c52a7bdd ]--- # BUG: saw 'kernel BUG at': ok ok 2 selftests: lkdtm: BUG.sh # selftests: lkdtm: WARNING.sh # [ 93.419372] lkdtm: Performing direct entry WARNING # [ 93.426875] ------------[ cut here ]------------ # [ 93.434362] WARNING: CPU: 0 PID: 743 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x28/0x34 # [ 93.443083] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables tda998x cec drm_kms_helper crct10dif_ce drm smsc # [ 93.454867] CPU: 0 PID: 743 Comm: cat Tainted: G D W 5.10.226-cip52 #1 # [ 93.462805] Hardware name: ARM Juno development board (r0) (DT) # [ 93.469005] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 93.475293] pc : lkdtm_WARNING+0x28/0x34 # [ 93.479492] lr : lkdtm_do_action+0x24/0x40 # [ 93.483861] sp : ffff80001485bd10 # [ 93.487446] x29: ffff80001485bd10 x28: ffff000806c70000 # [ 93.493049] x27: 0000000000000000 x26: 0000000000000000 # [ 93.498649] x25: ffff8000114db478 x24: ffff80001485be20 # [ 93.504250] x23: 0000000000000008 x22: ffff000805c1e000 # [ 93.509850] x21: ffff8000119f0fd0 x20: 0000000000000002 # [ 93.515451] x19: ffff8000114db4a8 x18: 0000000000000006 # [ 93.521051] x17: 0000000000000100 x16: 0000000000000000 # [ 93.526652] x15: ffff80001485b870 x14: ffff80009485ba2a # [ 93.532253] x13: ffff80001485ba32 x12: 0000000000000000 # [ 93.537853] x11: 0000000000000038 x10: ffff8000125fc128 # [ 93.543454] x9 : ffff800010a0a474 x8 : 00000000ffffefff # [ 93.549055] x7 : ffff8000125fc128 x6 : ffff800012575000 # [ 93.554656] x5 : ffff800012575c88 x4 : ffff00097ef08c68 # [ 93.560256] x3 : 0000000000000000 x2 : 0000000000000000 # [ 93.565857] x1 : ffff8000134b9000 x0 : 0000000000000001 # [ 93.571457] Call trace: # [ 93.574178] lkdtm_WARNING+0x28/0x34 # [ 93.578029] direct_entry+0xc8/0x130 # [ 93.581881] full_proxy_write+0x68/0xbc # [ 93.585993] vfs_write+0xec/0x22c # [ 93.589582] ksys_write+0x78/0x110 # [ 93.593257] __arm64_sys_write+0x24/0x30 # [ 93.597459] el0_svc_common.constprop.0+0x84/0x1e0 # [ 93.602528] do_el0_svc+0x2c/0xa4 # [ 93.606118] el0_svc+0x20/0x30 # [ 93.609447] el0_sync_handler+0xe8/0x114 # [ 93.613645] el0_sync+0x180/0x1c0 # [ 93.617232] irq event stamp: 0 # [ 93.620562] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 93.627113] hardirqs last disabled at (0): [] copy_process+0x5f4/0x1df4 # [ 93.635578] softirqs last enabled at (0): [] copy_process+0x5f4/0x1df4 # [ 93.644040] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 93.650585] ---[ end trace 61925da2c52a7bde ]--- # WARNING: saw 'WARNING:': ok ok 3 selftests: lkdtm: WARNING.sh # selftests: lkdtm: WARNING_MESSAGE.sh <6>[ 94.081346] lkdtm: Performing direct entry WARNING_MESSAGE <4>[ 94.087179] ------------[ cut here ]------------ <4>[ 94.092134] Warning message trigger count: 2 <4>[ 94.096828] WARNING: CPU: 0 PID: 779 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x30/0x40 <4>[ 94.106247] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables tda998x cec drm_kms_helper crct10dif_ce drm smsc <4>[ 94.118030] CPU: 0 PID: 779 Comm: cat Tainted: G D W 5.10.226-cip52 #1 <4>[ 94.125967] Hardware name: ARM Juno development board (r0) (DT) <4>[ 94.132168] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 94.138456] pc : lkdtm_WARNING_MESSAGE+0x30/0x40 <4>[ 94.143351] lr : lkdtm_WARNING_MESSAGE+0x30/0x40 <4>[ 94.148242] sp : ffff8000148ebd00 <4>[ 94.151828] x29: ffff8000148ebd00 x28: ffff000800bc6200 <4>[ 94.157429] x27: 0000000000000000 x26: 0000000000000000 <4>[ 94.163030] x25: ffff8000114db478 x24: ffff8000148ebe20 <4>[ 94.168631] x23: 0000000000000010 x22: ffff000806928000 <4>[ 94.174231] x21: ffff8000119f0fd8 x20: 0000000000000003 <4>[ 94.179832] x19: ffff8000114db4b8 x18: 0000000000000006 <4>[ 94.185432] x17: 0000000000000100 x16: 0000000000000000 <4>[ 94.191033] x15: ffff8000148eb810 x14: ffff8000948eb9ca <4>[ 94.196633] x13: ffff8000148eb9d3 x12: 0000000000000000 <4>[ 94.202234] x11: 0000000000000038 x10: ffff8000125fc128 <4>[ 94.207835] x9 : ffff80001012b978 x8 : 00000000ffffefff <4>[ 94.213436] x7 : ffff8000125fc128 x6 : ffff800012575000 <4>[ 94.219036] x5 : ffff800012575c88 x4 : ffff00097ef08c68 <4>[ 94.224637] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 94.230237] x1 : 0000000000000000 x0 : ffff000800bc6200 <4>[ 94.235837] Call trace: <4>[ 94.238558] lkdtm_WARNING_MESSAGE+0x30/0x40 <4>[ 94.243105] lkdtm_do_action+0x24/0x40 <4>[ 94.247130] direct_entry+0xc8/0x130 <4>[ 94.250982] full_proxy_write+0x68/0xbc <4>[ 94.255094] vfs_write+0xec/0x22c <4>[ 94.258683] ksys_write+0x78/0x110 <4>[ 94.262359] __arm64_sys_write+0x24/0x30 <4>[ 94.266561] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 94.271629] do_el0_svc+0x2c/0xa4 <4>[ 94.275219] el0_svc+0x20/0x30 <4>[ 94.278548] el0_sync_handler+0xe8/0x114 <4>[ 94.282746] el0_sync+0x180/0x1c0 <4>[ 94.286332] irq event stamp: 0 <4>[ 94.289662] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 94.296214] hardirqs last disabled at (0): [] copy_process+0x5f4/0x1df4 <4>[ 94.304679] softirqs last enabled at (0): [] copy_process+0x5f4/0x1df4 <4>[ 94.313141] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 94.319685] ---[ end trace 61925da2c52a7bdf ]--- # [ 94.081346] lkdtm: Performing direct entry WARNING_MESSAGE # [ 94.087179] ------------[ cut here ]------------ # [ 94.092134] Warning message trigger count: 2 # [ 94.096828] WARNING: CPU: 0 PID: 779 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x30/0x40 # [ 94.106247] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables tda998x cec drm_kms_helper crct10dif_ce drm smsc # [ 94.118030] CPU: 0 PID: 779 Comm: cat Tainted: G D W 5.10.226-cip52 #1 # [ 94.125967] Hardware name: ARM Juno development board (r0) (DT) # [ 94.132168] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 94.138456] pc : lkdtm_WARNING_MESSAGE+0x30/0x40 # [ 94.143351] lr : lkdtm_WARNING_MESSAGE+0x30/0x40 # [ 94.148242] sp : ffff8000148ebd00 # [ 94.151828] x29: ffff8000148ebd00 x28: ffff000800bc6200 # [ 94.157429] x27: 0000000000000000 x26: 0000000000000000 # [ 94.163030] x25: ffff8000114db478 x24: ffff8000148ebe20 # [ 94.168631] x23: 0000000000000010 x22: ffff000806928000 # [ 94.174231] x21: ffff8000119f0fd8 x20: 0000000000000003 # [ 94.179832] x19: ffff8000114db4b8 x18: 0000000000000006 # [ 94.185432] x17: 0000000000000100 x16: 0000000000000000 # [ 94.191033] x15: ffff8000148eb810 x14: ffff8000948eb9ca # [ 94.196633] x13: ffff8000148eb9d3 x12: 0000000000000000 # [ 94.202234] x11: 0000000000000038 x10: ffff8000125fc128 # [ 94.207835] x9 : ffff80001012b978 x8 : 00000000ffffefff # [ 94.213436] x7 : ffff8000125fc128 x6 : ffff800012575000 # [ 94.219036] x5 : ffff800012575c88 x4 : ffff00097ef08c68 # [ 94.224637] x3 : 0000000000000000 x2 : 0000000000000000 # [ 94.230237] x1 : 0000000000000000 x0 : ffff000800bc6200 # [ 94.235837] Call trace: # [ 94.238558] lkdtm_WARNING_MESSAGE+0x30/0x40 # [ 94.243105] lkdtm_do_action+0x24/0x40 # [ 94.247130] direct_entry+0xc8/0x130 # [ 94.250982] full_proxy_write+0x68/0xbc # [ 94.255094] vfs_write+0xec/0x22c # [ 94.258683] ksys_write+0x78/0x110 # [ 94.262359] __arm64_sys_write+0x24/0x30 # [ 94.266561] el0_svc_common.constprop.0+0x84/0x1e0 # [ 94.271629] do_el0_svc+0x2c/0xa4 # [ 94.275219] el0_svc+0x20/0x30 # [ 94.278548] el0_sync_handler+0xe8/0x114 # [ 94.282746] el0_sync+0x180/0x1c0 # [ 94.286332] irq event stamp: 0 # [ 94.289662] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 94.296214] hardirqs last disabled at (0): [] copy_process+0x5f4/0x1df4 # [ 94.304679] softirqs last enabled at (0): [] copy_process+0x5f4/0x1df4 # [ 94.313141] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 94.319685] ---[ end trace 61925da2c52a7bdf ]--- # WARNING_MESSAGE: saw 'message trigger': ok ok 4 selftests: lkdtm: WARNING_MESSAGE.sh # selftests: lkdtm: EXCEPTION.sh <6>[ 94.730770] lkdtm: Performing direct entry EXCEPTION <1>[ 94.736111] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000 <1>[ 94.745274] Mem abort info: <1>[ 94.749154] ESR = 0x96000044 <1>[ 94.753406] EC = 0x25: DABT (current EL), IL = 32 bits <1>[ 94.759154] SET = 0, FnV = 0 <1>[ 94.762559] EA = 0, S1PTW = 0 <1>[ 94.765997] Data abort info: <1>[ 94.769165] ISV = 0, ISS = 0x00000044 <1>[ 94.773290] CM = 0, WnR = 1 <1>[ 94.776553] user pgtable: 4k pages, 48-bit VAs, pgdp=00000008803dd000 <1>[ 94.783290] [0000000000000000] pgd=0000000000000000, p4d=0000000000000000 <0>[ 94.790398] Internal error: Oops: 0000000096000044 [#2] PREEMPT SMP <4>[ 94.796943] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables tda998x cec drm_kms_helper crct10dif_ce drm smsc <4>[ 94.808694] CPU: 1 PID: 812 Comm: cat Tainted: G D W 5.10.226-cip52 #1 <4>[ 94.816626] Hardware name: ARM Juno development board (r0) (DT) <4>[ 94.822822] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 94.829109] pc : lkdtm_EXCEPTION+0x14/0x1c <4>[ 94.833483] lr : lkdtm_do_action+0x24/0x40 <4>[ 94.837847] sp : ffff800014973d10 <4>[ 94.841428] x29: ffff800014973d10 x28: ffff000807300000 <4>[ 94.847022] x27: 0000000000000000 x26: 0000000000000000 <4>[ 94.852615] x25: ffff8000114db478 x24: ffff800014973e20 <4>[ 94.858207] x23: 000000000000000a x22: ffff000800b83000 <4>[ 94.863799] x21: ffff8000119f0fe8 x20: 0000000000000004 <4>[ 94.869391] x19: ffff8000114db4c8 x18: 0000000000000006 <4>[ 94.874983] x17: 0000000000000100 x16: 0000000000000000 <4>[ 94.880575] x15: ffff800014973870 x14: ffff800094973a2a <4>[ 94.886167] x13: ffff800014973a32 x12: 0000000000000010 <4>[ 94.891759] x11: 0000000000000008 x10: ffff8000125fc128 <4>[ 94.897351] x9 : ffff800010a0a474 x8 : 00000000ffffefff <4>[ 94.902943] x7 : ffff8000125fc128 x6 : ffff800012575000 <4>[ 94.908535] x5 : ffff800012575c88 x4 : ffff00097ef08c68 <4>[ 94.914126] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 94.919718] x1 : ffff000807300000 x0 : 0000000000000000 <4>[ 94.925310] Call trace: <4>[ 94.928026] lkdtm_EXCEPTION+0x14/0x1c <4>[ 94.932045] direct_entry+0xc8/0x130 <4>[ 94.935891] full_proxy_write+0x68/0xbc <4>[ 94.939998] vfs_write+0xec/0x22c <4>[ 94.943580] ksys_write+0x78/0x110 <4>[ 94.947250] __arm64_sys_write+0x24/0x30 <4>[ 94.951445] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 94.956508] do_el0_svc+0x2c/0xa4 <4>[ 94.960092] el0_svc+0x20/0x30 <4>[ 94.963416] el0_sync_handler+0xe8/0x114 <4>[ 94.967607] el0_sync+0x180/0x1c0 <0>[ 94.971193] Code: d503201f d2800000 d503233f d50323bf (b900001f) <4>[ 94.977564] ---[ end trace 61925da2c52a7be0 ]--- # Segmentation fault # [ 94.730770] lkdtm: Performing direct entry EXCEPTION # [ 94.736111] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000 # [ 94.745274] Mem abort info: # [ 94.749154] ESR = 0x96000044 # [ 94.753406] EC = 0x25: DABT (current EL), IL = 32 bits # [ 94.759154] SET = 0, FnV = 0 # [ 94.762559] EA = 0, S1PTW = 0 # [ 94.765997] Data abort info: # [ 94.769165] ISV = 0, ISS = 0x00000044 # [ 94.773290] CM = 0, WnR = 1 # [ 94.776553] user pgtable: 4k pages, 48-bit VAs, pgdp=00000008803dd000 # [ 94.783290] [0000000000000000] pgd=0000000000000000, p4d=0000000000000000 # [ 94.790398] Internal error: Oops: 0000000096000044 [#2] PREEMPT SMP # [ 94.796943] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables tda998x cec drm_kms_helper crct10dif_ce drm smsc # [ 94.808694] CPU: 1 PID: 812 Comm: cat Tainted: G D W 5.10.226-cip52 #1 # [ 94.816626] Hardware name: ARM Juno development board (r0) (DT) # [ 94.822822] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 94.829109] pc : lkdtm_EXCEPTION+0x14/0x1c # [ 94.833483] lr : lkdtm_do_action+0x24/0x40 # [ 94.837847] sp : ffff800014973d10 # [ 94.841428] x29: ffff800014973d10 x28: ffff000807300000 # [ 94.847022] x27: 0000000000000000 x26: 0000000000000000 # [ 94.852615] x25: ffff8000114db478 x24: ffff800014973e20 # [ 94.858207] x23: 000000000000000a x22: ffff000800b83000 # [ 94.863799] x21: ffff8000119f0fe8 x20: 0000000000000004 # [ 94.869391] x19: ffff8000114db4c8 x18: 0000000000000006 # [ 94.874983] x17: 0000000000000100 x16: 0000000000000000 # [ 94.880575] x15: ffff800014973870 x14: ffff800094973a2a # [ 94.886167] x13: ffff800014973a32 x12: 0000000000000010 # [ 94.891759] x11: 0000000000000008 x10: ffff8000125fc128 # [ 94.897351] x9 : ffff800010a0a474 x8 : 00000000ffffefff # [ 94.902943] x7 : ffff8000125fc128 x6 : ffff800012575000 # [ 94.908535] x5 : ffff800012575c88 x4 : ffff00097ef08c68 # [ 94.914126] x3 : 0000000000000000 x2 : 0000000000000000 # [ 94.919718] x1 : ffff000807300000 x0 : 0000000000000000 # [ 94.925310] Call trace: # [ 94.928026] lkdtm_EXCEPTION+0x14/0x1c # [ 94.932045] direct_entry+0xc8/0x130 # [ 94.935891] full_proxy_write+0x68/0xbc # [ 94.939998] vfs_write+0xec/0x22c # [ 94.943580] ksys_write+0x78/0x110 # [ 94.947250] __arm64_sys_write+0x24/0x30 # [ 94.951445] el0_svc_common.constprop.0+0x84/0x1e0 # [ 94.956508] do_el0_svc+0x2c/0xa4 # [ 94.960092] el0_svc+0x20/0x30 # [ 94.963416] el0_sync_handler+0xe8/0x114 # [ 94.967607] el0_sync+0x180/0x1c0 # [ 94.971193] Code: d503201f d2800000 d503233f d50323bf (b900001f) # [ 94.977564] ---[ end trace 61925da2c52a7be0 ]--- # 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>[ 96.265620] lkdtm: Performing direct entry CORRUPT_LIST_ADD <6>[ 96.271526] lkdtm: attempting good list addition <6>[ 96.276478] lkdtm: attempting corrupted list addition <3>[ 96.281856] lkdtm: list_add() corruption not detected! # [ 96.265620] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 96.271526] lkdtm: attempting good list addition # [ 96.276478] lkdtm: attempting corrupted list addition # [ 96.281856] 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>[ 96.707966] lkdtm: Performing direct entry CORRUPT_LIST_DEL <6>[ 96.713979] lkdtm: attempting good list removal <6>[ 96.718886] lkdtm: attempting corrupted list removal <3>[ 96.724187] lkdtm: list_del() corruption not detected! # [ 96.707966] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 96.713979] lkdtm: attempting good list removal # [ 96.718886] lkdtm: attempting corrupted list removal # [ 96.724187] 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>[ 97.129482] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING <6>[ 97.136084] lkdtm: attempting bad read from page below current stack <1>[ 97.142855] Unable to handle kernel paging request at virtual address ffff800014d27fff <1>[ 97.151178] Mem abort info: <1>[ 97.154292] ESR = 0x96000007 <1>[ 97.157644] EC = 0x25: DABT (current EL), IL = 32 bits <1>[ 97.163254] SET = 0, FnV = 0 <1>[ 97.166594] EA = 0, S1PTW = 0 <1>[ 97.170022] Data abort info: <1>[ 97.173190] ISV = 0, ISS = 0x00000007 <1>[ 97.177313] CM = 0, WnR = 0 <1>[ 97.180568] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081db0000 <1>[ 97.187567] [ffff800014d27fff] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=000000088672c003, pte=0000000000000000 <0>[ 97.200446] Internal error: Oops: 0000000096000007 [#3] PREEMPT SMP <4>[ 97.206993] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables tda998x cec drm_kms_helper crct10dif_ce drm smsc <4>[ 97.218748] CPU: 2 PID: 1054 Comm: cat Tainted: G D W 5.10.226-cip52 #1 <4>[ 97.226768] Hardware name: ARM Juno development board (r0) (DT) <4>[ 97.232966] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 97.239259] pc : lkdtm_STACK_GUARD_PAGE_LEADING+0x38/0x5c <4>[ 97.244935] lr : lkdtm_STACK_GUARD_PAGE_LEADING+0x30/0x5c <4>[ 97.250610] sp : ffff800014d2bce0 <4>[ 97.254190] x29: ffff800014d2bce0 x28: ffff000806cc0000 <4>[ 97.259787] x27: 0000000000000000 x26: 0000000000000000 <4>[ 97.265385] x25: ffff8000114db478 x24: ffff800014d2be20 <4>[ 97.270977] x23: 0000000000000019 x22: ffff000800bb6000 <4>[ 97.276569] x21: ffff8000119f1068 x20: 000000000000000b <4>[ 97.282161] x19: ffff800014d28000 x18: 0000000000000006 <4>[ 97.287753] x17: 0000000000000100 x16: 0000000000000000 <4>[ 97.293345] x15: ffff800014d2b830 x14: ffff800094d2b9ea <4>[ 97.298937] x13: ffff800014d2b9f2 x12: 0000000000000008 <4>[ 97.304528] x11: 0000000000000000 x10: 0000000000001440 <4>[ 97.310120] x9 : ffff80001012b978 x8 : ffff000806cc14a0 <4>[ 97.315712] x7 : 0000000000000004 x6 : ffff800012575000 <4>[ 97.321304] x5 : ffff800012575c88 x4 : ffff00097ef90c68 <4>[ 97.326896] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 97.332488] x1 : ffff000806cc0000 x0 : ffff8000119f1b28 <4>[ 97.338080] Call trace: <4>[ 97.340795] lkdtm_STACK_GUARD_PAGE_LEADING+0x38/0x5c <4>[ 97.346121] lkdtm_do_action+0x24/0x40 <4>[ 97.350140] direct_entry+0xc8/0x130 <4>[ 97.353985] full_proxy_write+0x68/0xbc <4>[ 97.358091] vfs_write+0xec/0x22c <4>[ 97.361674] ksys_write+0x78/0x110 <4>[ 97.365343] __arm64_sys_write+0x24/0x30 <4>[ 97.369538] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 97.374601] do_el0_svc+0x2c/0xa4 <4>[ 97.378184] el0_svc+0x20/0x30 <4>[ 97.381507] el0_sync_handler+0xe8/0x114 <4>[ 97.385698] el0_sync+0x180/0x1c0 <0>[ 97.389284] Code: 912ba000 97ffe01d d0003e40 912ca000 (385ff261) <4>[ 97.395654] ---[ end trace 61925da2c52a7be1 ]--- # Segmentation fault # [ 97.129482] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 97.136084] lkdtm: attempting bad read from page below current stack # [ 97.142855] Unable to handle kernel paging request at virtual address ffff800014d27fff # [ 97.151178] Mem abort info: # [ 97.154292] ESR = 0x96000007 # [ 97.157644] EC = 0x25: DABT (current EL), IL = 32 bits # [ 97.163254] SET = 0, FnV = 0 # [ 97.166594] EA = 0, S1PTW = 0 # [ 97.170022] Data abort info: # [ 97.173190] ISV = 0, ISS = 0x00000007 # [ 97.177313] CM = 0, WnR = 0 # [ 97.180568] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081db0000 # [ 97.187567] [ffff800014d27fff] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=000000088672c003, pte=0000000000000000 # [ 97.200446] Internal error: Oops: 0000000096000007 [#3] PREEMPT SMP # [ 97.206993] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables tda998x cec drm_kms_helper crct10dif_ce drm smsc # [ 97.218748] CPU: 2 PID: 1054 Comm: cat Tainted: G D W 5.10.226-cip52 #1 # [ 97.226768] Hardware name: ARM Juno development board (r0) (DT) # [ 97.232966] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 97.239259] pc : lkdtm_STACK_GUARD_PAGE_LEADING+0x38/0x5c # [ 97.244935] lr : lkdtm_STACK_GUARD_PAGE_LEADING+0x30/0x5c # [ 97.250610] sp : ffff800014d2bce0 # [ 97.254190] x29: ffff800014d2bce0 x28: ffff000806cc0000 # [ 97.259787] x27: 0000000000000000 x26: 0000000000000000 # [ 97.265385] x25: ffff8000114db478 x24: ffff800014d2be20 # [ 97.270977] x23: 0000000000000019 x22: ffff000800bb6000 # [ 97.276569] x21: ffff8000119f1068 x20: 000000000000000b # [ 97.282161] x19: ffff800014d28000 x18: 0000000000000006 # [ 97.287753] x17: 0000000000000100 x16: 0000000000000000 # [ 97.293345] x15: ffff800014d2b830 x14: ffff800094d2b9ea # [ 97.298937] x13: ffff800014d2b9f2 x12: 0000000000000008 # [ 97.304528] x11: 0000000000000000 x10: 0000000000001440 # [ 97.310120] x9 : ffff80001012b978 x8 : ffff000806cc14a0 # [ 97.315712] x7 : 0000000000000004 x6 : ffff800012575000 # [ 97.321304] x5 : ffff800012575c88 x4 : ffff00097ef90c68 # [ 97.326896] x3 : 0000000000000000 x2 : 0000000000000000 # [ 97.332488] x1 : ffff000806cc0000 x0 : ffff8000119f1b28 # [ 97.338080] Call trace: # [ 97.340795] lkdtm_STACK_GUARD_PAGE_LEADING+0x38/0x5c # [ 97.346121] lkdtm_do_action+0x24/0x40 # [ 97.350140] direct_entry+0xc8/0x130 # [ 97.353985] full_proxy_write+0x68/0xbc # [ 97.358091] vfs_write+0xec/0x22c # [ 97.361674] ksys_write+0x78/0x110 # [ 97.365343] __arm64_sys_write+0x24/0x30 # [ 97.369538] el0_svc_common.constprop.0+0x84/0x1e0 # [ 97.374601] do_el0_svc+0x2c/0xa4 # [ 97.378184] el0_svc+0x20/0x30 # [ 97.381507] el0_sync_handler+0xe8/0x114 # [ 97.385698] el0_sync+0x180/0x1c0 # [ 97.389284] Code: 912ba000 97ffe01d d0003e40 912ca000 (385ff261) # [ 97.395654] ---[ end trace 61925da2c52a7be1 ]--- # 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>[ 97.812849] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING <6>[ 97.819548] lkdtm: attempting bad read from page above current stack <1>[ 97.826253] Unable to handle kernel paging request at virtual address ffff800014dc4000 <1>[ 97.834576] Mem abort info: <1>[ 97.837899] ESR = 0x96000007 <1>[ 97.841287] EC = 0x25: DABT (current EL), IL = 32 bits <1>[ 97.846898] SET = 0, FnV = 0 <1>[ 97.850248] EA = 0, S1PTW = 0 <1>[ 97.853679] Data abort info: <1>[ 97.856849] ISV = 0, ISS = 0x00000007 <1>[ 97.860978] CM = 0, WnR = 0 <1>[ 97.864225] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081db0000 <1>[ 97.871225] [ffff800014dc4000] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=000000088672c003, pte=0000000000000000 <0>[ 97.884106] Internal error: Oops: 0000000096000007 [#4] PREEMPT SMP <4>[ 97.890652] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables tda998x cec drm_kms_helper crct10dif_ce drm smsc <4>[ 97.902407] CPU: 2 PID: 1100 Comm: cat Tainted: G D W 5.10.226-cip52 #1 <4>[ 97.910433] Hardware name: ARM Juno development board (r0) (DT) <4>[ 97.916633] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 97.922921] pc : lkdtm_STACK_GUARD_PAGE_TRAILING+0x3c/0x60 <4>[ 97.928681] lr : lkdtm_STACK_GUARD_PAGE_TRAILING+0x30/0x60 <4>[ 97.934436] sp : ffff800014dc3ce0 <4>[ 97.938018] x29: ffff800014dc3ce0 x28: ffff000805aae200 <4>[ 97.943620] x27: 0000000000000000 x26: 0000000000000000 <4>[ 97.949218] x25: ffff8000114db478 x24: ffff800014dc3e20 <4>[ 97.954811] x23: 000000000000001a x22: ffff000800f0c000 <4>[ 97.960403] x21: ffff8000119f1088 x20: 000000000000000c <4>[ 97.965995] x19: ffff800014dc4000 x18: 0000000000000006 <4>[ 97.971587] x17: 0000000000000100 x16: 0000000000000000 <4>[ 97.977179] x15: ffff800014dc3830 x14: ffff800094dc39ea <4>[ 97.982771] x13: ffff800014dc39f2 x12: 0000000000000010 <4>[ 97.988363] x11: 0000000000000008 x10: ffff8000125fc128 <4>[ 97.993954] x9 : ffff80001012b978 x8 : 00000000ffffefff <4>[ 97.999547] x7 : ffff8000125fc128 x6 : ffff800012575000 <4>[ 98.005139] x5 : ffff800012575c88 x4 : ffff00097ef90c68 <4>[ 98.010731] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 98.016322] x1 : ffff000805aae200 x0 : ffff8000119f1ba0 <4>[ 98.021915] Call trace: <4>[ 98.024630] lkdtm_STACK_GUARD_PAGE_TRAILING+0x3c/0x60 <4>[ 98.030043] lkdtm_do_action+0x24/0x40 <4>[ 98.034062] direct_entry+0xc8/0x130 <4>[ 98.037908] full_proxy_write+0x68/0xbc <4>[ 98.042014] vfs_write+0xec/0x22c <4>[ 98.045597] ksys_write+0x78/0x110 <4>[ 98.049267] __arm64_sys_write+0x24/0x30 <4>[ 98.053462] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 98.058524] do_el0_svc+0x2c/0xa4 <4>[ 98.062107] el0_svc+0x20/0x30 <4>[ 98.065431] el0_sync_handler+0xe8/0x114 <4>[ 98.069623] el0_sync+0x180/0x1c0 <0>[ 98.073209] Code: 97ffe006 91401273 d0003e40 912e8000 (39400261) <4>[ 98.079579] ---[ end trace 61925da2c52a7be2 ]--- # Segmentation fault # [ 97.812849] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING # [ 97.819548] lkdtm: attempting bad read from page above current stack # [ 97.826253] Unable to handle kernel paging request at virtual address ffff800014dc4000 # [ 97.834576] Mem abort info: # [ 97.837899] ESR = 0x96000007 # [ 97.841287] EC = 0x25: DABT (current EL), IL = 32 bits # [ 97.846898] SET = 0, FnV = 0 # [ 97.850248] EA = 0, S1PTW = 0 # [ 97.853679] Data abort info: # [ 97.856849] ISV = 0, ISS = 0x00000007 # [ 97.860978] CM = 0, WnR = 0 # [ 97.864225] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081db0000 # [ 97.871225] [ffff800014dc4000] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=000000088672c003, pte=0000000000000000 # [ 97.884106] Internal error: Oops: 0000000096000007 [#4] PREEMPT SMP # [ 97.890652] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables tda998x cec drm_kms_helper crct10dif_ce drm smsc # [ 97.902407] CPU: 2 PID: 1100 Comm: cat Tainted: G D W 5.10.226-cip52 #1 # [ 97.910433] Hardware name: ARM Juno development board (r0) (DT) # [ 97.916633] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 97.922921] pc : lkdtm_STACK_GUARD_PAGE_TRAILING+0x3c/0x60 # [ 97.928681] lr : lkdtm_STACK_GUARD_PAGE_TRAILING+0x30/0x60 # [ 97.934436] sp : ffff800014dc3ce0 # [ 97.938018] x29: ffff800014dc3ce0 x28: ffff000805aae200 # [ 97.943620] x27: 0000000000000000 x26: 0000000000000000 # [ 97.949218] x25: ffff8000114db478 x24: ffff800014dc3e20 # [ 97.954811] x23: 000000000000001a x22: ffff000800f0c000 # [ 97.960403] x21: ffff8000119f1088 x20: 000000000000000c # [ 97.965995] x19: ffff800014dc4000 x18: 0000000000000006 # [ 97.971587] x17: 0000000000000100 x16: 0000000000000000 # [ 97.977179] x15: ffff800014dc3830 x14: ffff800094dc39ea # [ 97.982771] x13: ffff800014dc39f2 x12: 0000000000000010 # [ 97.988363] x11: 0000000000000008 x10: ffff8000125fc128 # [ 97.993954] x9 : ffff80001012b978 x8 : 00000000ffffefff # [ 97.999547] x7 : ffff8000125fc128 x6 : ffff800012575000 # [ 98.005139] x5 : ffff800012575c88 x4 : ffff00097ef90c68 # [ 98.010731] x3 : 0000000000000000 x2 : 0000000000000000 # [ 98.016322] x1 : ffff000805aae200 x0 : ffff8000119f1ba0 # [ 98.021915] Call trace: # [ 98.024630] lkdtm_STACK_GUARD_PAGE_TRAILING+0x3c/0x60 # [ 98.030043] lkdtm_do_action+0x24/0x40 # [ 98.034062] direct_entry+0xc8/0x130 # [ 98.037908] full_proxy_write+0x68/0xbc # [ 98.042014] vfs_write+0xec/0x22c # [ 98.045597] ksys_write+0x78/0x110 # [ 98.049267] __arm64_sys_write+0x24/0x30 # [ 98.053462] el0_svc_common.constprop.0+0x84/0x1e0 # [ 98.058524] do_el0_svc+0x2c/0xa4 # [ 98.062107] el0_svc+0x20/0x30 # [ 98.065431] el0_sync_handler+0xe8/0x114 # [ 98.069623] el0_sync+0x180/0x1c0 # [ 98.073209] Code: 97ffe006 91401273 d0003e40 912e8000 (39400261) # [ 98.079579] ---[ end trace 61925da2c52a7be2 ]--- # STACK_GUARD_PAGE_TRAILING: saw 'call trace:': ok ok 13 selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # selftests: lkdtm: UNSET_SMEP.sh <6>[ 98.503077] lkdtm: Performing direct entry UNSET_SMEP <3>[ 98.508482] lkdtm: XFAIL: this test is x86_64-only # [ 98.503077] lkdtm: Performing direct entry UNSET_SMEP # [ 98.508482] 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>[ 98.920681] lkdtm: Performing direct entry DOUBLE_FAULT <3>[ 98.926329] lkdtm: XFAIL: this test is ia32-only # [ 98.920681] lkdtm: Performing direct entry DOUBLE_FAULT # [ 98.926329] 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>[ 99.330422] lkdtm: Performing direct entry CORRUPT_PAC <3>[ 99.335905] lkdtm: FAIL: CPU lacks pointer authentication feature # [ 99.330422] lkdtm: Performing direct entry CORRUPT_PAC # [ 99.335905] 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>[ 99.767571] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE <3>[ 99.774370] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS # [ 99.767571] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # [ 99.774370] 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>[ 100.622468] lkdtm: Performing direct entry READ_AFTER_FREE <6>[ 100.628317] lkdtm: Value in memory before free: 12345678 <6>[ 100.633991] lkdtm: Attempting bad read from freed memory <6>[ 100.639636] lkdtm: Memory was not poisoned # [ 100.622468] lkdtm: Performing direct entry READ_AFTER_FREE # [ 100.628317] lkdtm: Value in memory before free: 12345678 # [ 100.633991] lkdtm: Attempting bad read from freed memory # [ 100.639636] 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>[ 101.253967] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE <6>[ 101.260319] lkdtm: Value in memory before free: 12345678 <6>[ 101.265971] lkdtm: Attempting to read from freed memory <6>[ 101.271527] lkdtm: Buddy page was not poisoned # [ 101.253967] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE # [ 101.260319] lkdtm: Value in memory before free: 12345678 # [ 101.265971] lkdtm: Attempting to read from freed memory # [ 101.271527] 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>[ 101.670502] lkdtm: Performing direct entry SLAB_FREE_DOUBLE <6>[ 101.676448] lkdtm: Attempting double slab free ... # [ 101.670502] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 101.676448] 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>[ 102.098351] lkdtm: Performing direct entry SLAB_FREE_CROSS <6>[ 102.104188] lkdtm: Attempting cross-cache slab free ... # [ 102.098351] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 102.104188] 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>[ 102.531469] lkdtm: Performing direct entry SLAB_FREE_PAGE <6>[ 102.537232] lkdtm: Attempting non-Slab slab free ... # [ 102.531469] lkdtm: Performing direct entry SLAB_FREE_PAGE # [ 102.537232] 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>[ 103.871653] lkdtm: Performing direct entry EXEC_DATA <6>[ 103.876974] lkdtm: attempting ok execution at ffff800010a0b390 <6>[ 103.883331] lkdtm: attempting bad execution at ffff8000134b98f8 <1>[ 103.889592] Unable to handle kernel execute from non-executable memory at virtual address ffff8000134b98f8 <1>[ 103.899648] Mem abort info: <1>[ 103.902995] ESR = 0x8600000f <1>[ 103.906421] EC = 0x21: IABT (current EL), IL = 32 bits <1>[ 103.912045] SET = 0, FnV = 0 <1>[ 103.915397] EA = 0, S1PTW = 0 <1>[ 103.918837] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081db0000 <1>[ 103.925836] [ffff8000134b98f8] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=00000009ffff9003, pte=00780000836b9703 <0>[ 103.938719] Internal error: Oops: 000000008600000f [#5] PREEMPT SMP <4>[ 103.945264] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables tda998x cec drm_kms_helper crct10dif_ce drm smsc <4>[ 103.957020] CPU: 2 PID: 1674 Comm: cat Tainted: G D W 5.10.226-cip52 #1 <4>[ 103.965039] Hardware name: ARM Juno development board (r0) (DT) <4>[ 103.971237] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 103.977524] pc : data_area+0x0/0x40 <4>[ 103.981289] lr : execute_location+0x74/0x94 <4>[ 103.985743] sp : ffff800015793cd0 <4>[ 103.989324] x29: ffff800015793cd0 x28: ffff000806cc4980 <4>[ 103.994918] x27: 0000000000000000 x26: 0000000000000000 <4>[ 104.000510] x25: ffff8000114db478 x24: ffff800015793e20 <4>[ 104.006102] x23: 000000000000000a x22: ffff000806911000 <4>[ 104.011694] x21: 0000000000000001 x20: ffff800010a0b390 <4>[ 104.017286] x19: ffff8000134b98f8 x18: 0000000000000006 <4>[ 104.022878] x17: 0000000000000100 x16: 0000000000000000 <4>[ 104.028470] x15: ffff800015793820 x14: ffff8000957939da <4>[ 104.034061] x13: ffff8000157939e2 x12: 52819801d2800802 <4>[ 104.039653] x11: a9be7bfdd00085a0 x10: ffff8000125fc128 <4>[ 104.045245] x9 : ffff80001012b978 x8 : 00000000ffffefff <4>[ 104.050837] x7 : ffff8000125fc128 x6 : ffff800012575000 <4>[ 104.056428] x5 : ffff800012575c88 x4 : ffff00097efb2c68 <4>[ 104.062020] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 104.067612] x1 : ffff000806cc4980 x0 : 0000000000000033 <4>[ 104.073204] Call trace: <4>[ 104.075918] data_area+0x0/0x40 <4>[ 104.079328] lkdtm_EXEC_DATA+0x24/0x30 <4>[ 104.083348] lkdtm_do_action+0x24/0x40 <4>[ 104.087367] direct_entry+0xc8/0x130 <4>[ 104.091213] full_proxy_write+0x68/0xbc <4>[ 104.095319] vfs_write+0xec/0x22c <4>[ 104.098901] ksys_write+0x78/0x110 <4>[ 104.102571] __arm64_sys_write+0x24/0x30 <4>[ 104.106765] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 104.111828] do_el0_svc+0x2c/0xa4 <4>[ 104.115411] el0_svc+0x20/0x30 <4>[ 104.118734] el0_sync_handler+0xe8/0x114 <4>[ 104.122926] el0_sync+0x180/0x1c0 <0>[ 104.126512] Code: 06dc6700 ffff0008 06dc6800 ffff0008 (aa1e03e9) <4>[ 104.132882] ---[ end trace 61925da2c52a7be3 ]--- # Segmentation fault # [ 103.871653] lkdtm: Performing direct entry EXEC_DATA # [ 103.876974] lkdtm: attempting ok execution at ffff800010a0b390 # [ 103.883331] lkdtm: attempting bad execution at ffff8000134b98f8 # [ 103.889592] Unable to handle kernel execute from non-executable memory at virtual address ffff8000134b98f8 # [ 103.899648] Mem abort info: # [ 103.902995] ESR = 0x8600000f # [ 103.906421] EC = 0x21: IABT (current EL), IL = 32 bits # [ 103.912045] SET = 0, FnV = 0 # [ 103.915397] EA = 0, S1PTW = 0 # [ 103.918837] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081db0000 # [ 103.925836] [ffff8000134b98f8] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=00000009ffff9003, pte=00780000836b9703 # [ 103.938719] Internal error: Oops: 000000008600000f [#5] PREEMPT SMP # [ 103.945264] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables tda998x cec drm_kms_helper crct10dif_ce drm smsc # [ 103.957020] CPU: 2 PID: 1674 Comm: cat Tainted: G D W 5.10.226-cip52 #1 # [ 103.965039] Hardware name: ARM Juno development board (r0) (DT) # [ 103.971237] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 103.977524] pc : data_area+0x0/0x40 # [ 103.981289] lr : execute_location+0x74/0x94 # [ 103.985743] sp : ffff800015793cd0 # [ 103.989324] x29: ffff800015793cd0 x28: ffff000806cc4980 # [ 103.994918] x27: 0000000000000000 x26: 0000000000000000 # [ 104.000510] x25: ffff8000114db478 x24: ffff800015793e20 # [ 104.006102] x23: 000000000000000a x22: ffff000806911000 # [ 104.011694] x21: 0000000000000001 x20: ffff800010a0b390 # [ 104.017286] x19: ffff8000134b98f8 x18: 0000000000000006 # [ 104.022878] x17: 0000000000000100 x16: 0000000000000000 # [ 104.028470] x15: ffff800015793820 x14: ffff8000957939da # [ 104.034061] x13: ffff8000157939e2 x12: 52819801d2800802 # [ 104.039653] x11: a9be7bfdd00085a0 x10: ffff8000125fc128 # [ 104.045245] x9 : ffff80001012b978 x8 : 00000000ffffefff # [ 104.050837] x7 : ffff8000125fc128 x6 : ffff800012575000 # [ 104.056428] x5 : ffff800012575c88 x4 : ffff00097efb2c68 # [ 104.062020] x3 : 0000000000000000 x2 : 0000000000000000 # [ 104.067612] x1 : ffff000806cc4980 x0 : 0000000000000033 # [ 104.073204] Call trace: # [ 104.075918] data_area+0x0/0x40 # [ 104.079328] lkdtm_EXEC_DATA+0x24/0x30 # [ 104.083348] lkdtm_do_action+0x24/0x40 # [ 104.087367] direct_entry+0xc8/0x130 # [ 104.091213] full_proxy_write+0x68/0xbc # [ 104.095319] vfs_write+0xec/0x22c # [ 104.098901] ksys_write+0x78/0x110 # [ 104.102571] __arm64_sys_write+0x24/0x30 # [ 104.106765] el0_svc_common.constprop.0+0x84/0x1e0 # [ 104.111828] do_el0_svc+0x2c/0xa4 # [ 104.115411] el0_svc+0x20/0x30 # [ 104.118734] el0_sync_handler+0xe8/0x114 # [ 104.122926] el0_sync+0x180/0x1c0 # [ 104.126512] Code: 06dc6700 ffff0008 06dc6800 ffff0008 (aa1e03e9) # [ 104.132882] ---[ end trace 61925da2c52a7be3 ]--- # EXEC_DATA: saw 'call trace:': ok ok 30 selftests: lkdtm: EXEC_DATA.sh # selftests: lkdtm: EXEC_STACK.sh <6>[ 104.544200] lkdtm: Performing direct entry EXEC_STACK <6>[ 104.549673] lkdtm: attempting ok execution at ffff800010a0b390 <6>[ 104.556015] lkdtm: attempting bad execution at ffff800015833cc8 <1>[ 104.562347] Unable to handle kernel execute from non-executable memory at virtual address ffff800015833cc8 <1>[ 104.573198] Mem abort info: <1>[ 104.576363] ESR = 0x8600000f <1>[ 104.579747] EC = 0x21: IABT (current EL), IL = 32 bits <1>[ 104.585366] SET = 0, FnV = 0 <1>[ 104.588708] EA = 0, S1PTW = 0 <1>[ 104.592123] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081db0000 <1>[ 104.599119] [ffff800015833cc8] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=0000000888928003, pte=0068000888914703 <0>[ 104.611997] Internal error: Oops: 000000008600000f [#6] PREEMPT SMP <4>[ 104.618539] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables tda998x cec drm_kms_helper crct10dif_ce drm smsc <4>[ 104.630290] CPU: 2 PID: 1717 Comm: cat Tainted: G D W 5.10.226-cip52 #1 <4>[ 104.638313] Hardware name: ARM Juno development board (r0) (DT) <4>[ 104.644513] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 104.650799] pc : 0xffff800015833cc8 <4>[ 104.654570] lr : execute_location+0x74/0x94 <4>[ 104.659021] sp : ffff800015833c80 <4>[ 104.662607] x29: ffff800015833c80 x28: ffff0008089dc980 <4>[ 104.668201] x27: 0000000000000000 x26: 0000000000000000 <4>[ 104.673794] x25: ffff8000114db478 x24: ffff800015833e20 <4>[ 104.679386] x23: 000000000000000b x22: ffff000804173000 <4>[ 104.684978] x21: 0000000000000001 x20: ffff800010a0b390 <4>[ 104.690570] x19: ffff800015833cc8 x18: 0000000000000006 <4>[ 104.696162] x17: 0000000000000100 x16: 0000000000000000 <4>[ 104.701754] x15: ffff8000158337d0 x14: ffff80009583398a <4>[ 104.707346] x13: ffff800015833992 x12: 52819801d2800802 <4>[ 104.712938] x11: a9be7bfdd00085a0 x10: 0000000000001440 <4>[ 104.718530] x9 : ffff80001012b978 x8 : ffff0008089dde20 <4>[ 104.724122] x7 : ffff000806c01e00 x6 : ffff800012575000 <4>[ 104.729714] x5 : ffff800012575c88 x4 : ffff00097ef08c68 <4>[ 104.735305] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 104.740897] x1 : ffff0008089dc980 x0 : 0000000000000033 <4>[ 104.746489] Call trace: <4>[ 104.749202] 0xffff800015833cc8 <4>[ 104.752612] lkdtm_EXEC_STACK+0x3c/0x64 <4>[ 104.756720] lkdtm_do_action+0x24/0x40 <4>[ 104.760739] direct_entry+0xc8/0x130 <4>[ 104.764584] full_proxy_write+0x68/0xbc <4>[ 104.768690] vfs_write+0xec/0x22c <4>[ 104.772273] ksys_write+0x78/0x110 <4>[ 104.775942] __arm64_sys_write+0x24/0x30 <4>[ 104.780137] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 104.785200] do_el0_svc+0x2c/0xa4 <4>[ 104.788784] el0_svc+0x20/0x30 <4>[ 104.792107] el0_sync_handler+0xe8/0x114 <4>[ 104.796299] el0_sync+0x180/0x1c0 <0>[ 104.799885] Code: 10a0a474 ffff8000 15833d20 ffff8000 (aa1e03e9) <4>[ 104.806255] ---[ end trace 61925da2c52a7be4 ]--- # Segmentation fault # [ 104.544200] lkdtm: Performing direct entry EXEC_STACK # [ 104.549673] lkdtm: attempting ok execution at ffff800010a0b390 # [ 104.556015] lkdtm: attempting bad execution at ffff800015833cc8 # [ 104.562347] Unable to handle kernel execute from non-executable memory at virtual address ffff800015833cc8 # [ 104.573198] Mem abort info: # [ 104.576363] ESR = 0x8600000f # [ 104.579747] EC = 0x21: IABT (current EL), IL = 32 bits # [ 104.585366] SET = 0, FnV = 0 # [ 104.588708] EA = 0, S1PTW = 0 # [ 104.592123] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081db0000 # [ 104.599119] [ffff800015833cc8] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=0000000888928003, pte=0068000888914703 # [ 104.611997] Internal error: Oops: 000000008600000f [#6] PREEMPT SMP # [ 104.618539] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables tda998x cec drm_kms_helper crct10dif_ce drm smsc # [ 104.630290] CPU: 2 PID: 1717 Comm: cat Tainted: G D W 5.10.226-cip52 #1 # [ 104.638313] Hardware name: ARM Juno development board (r0) (DT) # [ 104.644513] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 104.650799] pc : 0xffff800015833cc8 # [ 104.654570] lr : execute_location+0x74/0x94 # [ 104.659021] sp : ffff800015833c80 # [ 104.662607] x29: ffff800015833c80 x28: ffff0008089dc980 # [ 104.668201] x27: 0000000000000000 x26: 0000000000000000 # [ 104.673794] x25: ffff8000114db478 x24: ffff800015833e20 # [ 104.679386] x23: 000000000000000b x22: ffff000804173000 # [ 104.684978] x21: 0000000000000001 x20: ffff800010a0b390 # [ 104.690570] x19: ffff800015833cc8 x18: 0000000000000006 # [ 104.696162] x17: 0000000000000100 x16: 0000000000000000 # [ 104.701754] x15: ffff8000158337d0 x14: ffff80009583398a # [ 104.707346] x13: ffff800015833992 x12: 52819801d2800802 # [ 104.712938] x11: a9be7bfdd00085a0 x10: 0000000000001440 # [ 104.718530] x9 : ffff80001012b978 x8 : ffff0008089dde20 # [ 104.724122] x7 : ffff000806c01e00 x6 : ffff800012575000 # [ 104.729714] x5 : ffff800012575c88 x4 : ffff00097ef08c68 # [ 104.735305] x3 : 0000000000000000 x2 : 0000000000000000 # [ 104.740897] x1 : ffff0008089dc980 x0 : 0000000000000033 # [ 104.746489] Call trace: # [ 104.749202] 0xffff800015833cc8 # [ 104.752612] lkdtm_EXEC_STACK+0x3c/0x64 # [ 104.756720] lkdtm_do_action+0x24/0x40 # [ 104.760739] direct_entry+0xc8/0x130 # [ 104.764584] full_proxy_write+0x68/0xbc # [ 104.768690] vfs_write+0xec/0x22c # [ 104.772273] ksys_write+0x78/0x110 # [ 104.775942] __arm64_sys_write+0x24/0x30 # [ 104.780137] el0_svc_common.constprop.0+0x84/0x1e0 # [ 104.785200] do_el0_svc+0x2c/0xa4 # [ 104.788784] el0_svc+0x20/0x30 # [ 104.792107] el0_sync_handler+0xe8/0x114 # [ 104.796299] el0_sync+0x180/0x1c0 # [ 104.799885] Code: 10a0a474 ffff8000 15833d20 ffff8000 (aa1e03e9) # [ 104.806255] ---[ end trace 61925da2c52a7be4 ]--- # EXEC_STACK: saw 'call trace:': ok ok 31 selftests: lkdtm: EXEC_STACK.sh # selftests: lkdtm: EXEC_KMALLOC.sh <6>[ 105.228014] lkdtm: Performing direct entry EXEC_KMALLOC <6>[ 105.233689] lkdtm: attempting ok execution at ffff800010a0b390 <6>[ 105.240006] lkdtm: attempting bad execution at ffff00080890cc80 <1>[ 105.246281] Unable to handle kernel execute from non-executable memory at virtual address ffff00080890cc80 <1>[ 105.256441] Mem abort info: <1>[ 105.259512] ESR = 0x8600000f <1>[ 105.262881] EC = 0x21: IABT (current EL), IL = 32 bits <1>[ 105.268490] SET = 0, FnV = 0 <1>[ 105.271822] EA = 0, S1PTW = 0 <1>[ 105.275256] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081db0000 <1>[ 105.282253] [ffff00080890cc80] pgd=00000009ffff8003, p4d=00000009ffff8003, pud=00000009ffc0a003, pmd=00000009ffbc5003, pte=006800088890c707 <0>[ 105.295149] Internal error: Oops: 000000008600000f [#7] PREEMPT SMP <4>[ 105.301693] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables tda998x cec drm_kms_helper crct10dif_ce drm smsc <4>[ 105.313446] CPU: 1 PID: 1760 Comm: cat Tainted: G D W 5.10.226-cip52 #1 <4>[ 105.321466] Hardware name: ARM Juno development board (r0) (DT) <4>[ 105.327661] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 105.333947] pc : 0xffff00080890cc80 <4>[ 105.337714] lr : execute_location+0x74/0x94 <4>[ 105.342167] sp : ffff8000158fbcc0 <4>[ 105.345753] x29: ffff8000158fbcc0 x28: ffff0008089e0000 <4>[ 105.351348] x27: 0000000000000000 x26: 0000000000000000 <4>[ 105.356942] x25: ffff8000114db478 x24: ffff8000158fbe20 <4>[ 105.362535] x23: 000000000000000d x22: ffff000807eb4000 <4>[ 105.368126] x21: 0000000000000001 x20: ffff800010a0b390 <4>[ 105.373718] x19: ffff00080890cc80 x18: 0000000000000006 <4>[ 105.379310] x17: 0000000000000100 x16: 0000000000000000 <4>[ 105.384902] x15: ffff8000158fb810 x14: ffff8000958fb9ca <4>[ 105.390494] x13: ffff8000158fb9d2 x12: 52819801d2800802 <4>[ 105.396086] x11: a9be7bfdd00085a0 x10: ffff8000125fc128 <4>[ 105.401679] x9 : ffff80001012b978 x8 : 00000000ffffefff <4>[ 105.407271] x7 : ffff8000125fc128 x6 : ffff800012575000 <4>[ 105.412863] x5 : ffff800012575c88 x4 : ffff00097ef08c68 <4>[ 105.418454] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 105.424046] x1 : ffff0008089e0000 x0 : 0000000000000033 <4>[ 105.429638] Call trace: <4>[ 105.432351] 0xffff00080890cc80 <4>[ 105.435764] lkdtm_EXEC_KMALLOC+0x38/0x50 <4>[ 105.440044] lkdtm_do_action+0x24/0x40 <4>[ 105.444063] direct_entry+0xc8/0x130 <4>[ 105.447908] full_proxy_write+0x68/0xbc <4>[ 105.452015] vfs_write+0xec/0x22c <4>[ 105.455597] ksys_write+0x78/0x110 <4>[ 105.459267] __arm64_sys_write+0x24/0x30 <4>[ 105.463462] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 105.468525] do_el0_svc+0x2c/0xa4 <4>[ 105.472108] el0_svc+0x20/0x30 <4>[ 105.475431] el0_sync_handler+0xe8/0x114 <4>[ 105.479622] el0_sync+0x180/0x1c0 <0>[ 105.483209] Code: 0890cb00 ffff0008 00000000 00010000 (aa1e03e9) <4>[ 105.489579] ---[ end trace 61925da2c52a7be5 ]--- # Segmentation fault # [ 105.228014] lkdtm: Performing direct entry EXEC_KMALLOC # [ 105.233689] lkdtm: attempting ok execution at ffff800010a0b390 # [ 105.240006] lkdtm: attempting bad execution at ffff00080890cc80 # [ 105.246281] Unable to handle kernel execute from non-executable memory at virtual address ffff00080890cc80 # [ 105.256441] Mem abort info: # [ 105.259512] ESR = 0x8600000f # [ 105.262881] EC = 0x21: IABT (current EL), IL = 32 bits # [ 105.268490] SET = 0, FnV = 0 # [ 105.271822] EA = 0, S1PTW = 0 # [ 105.275256] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081db0000 # [ 105.282253] [ffff00080890cc80] pgd=00000009ffff8003, p4d=00000009ffff8003, pud=00000009ffc0a003, pmd=00000009ffbc5003, pte=006800088890c707 # [ 105.295149] Internal error: Oops: 000000008600000f [#7] PREEMPT SMP # [ 105.301693] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables tda998x cec drm_kms_helper crct10dif_ce drm smsc # [ 105.313446] CPU: 1 PID: 1760 Comm: cat Tainted: G D W 5.10.226-cip52 #1 # [ 105.321466] Hardware name: ARM Juno development board (r0) (DT) # [ 105.327661] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 105.333947] pc : 0xffff00080890cc80 # [ 105.337714] lr : execute_location+0x74/0x94 # [ 105.342167] sp : ffff8000158fbcc0 # [ 105.345753] x29: ffff8000158fbcc0 x28: ffff0008089e0000 # [ 105.351348] x27: 0000000000000000 x26: 0000000000000000 # [ 105.356942] x25: ffff8000114db478 x24: ffff8000158fbe20 # [ 105.362535] x23: 000000000000000d x22: ffff000807eb4000 # [ 105.368126] x21: 0000000000000001 x20: ffff800010a0b390 # [ 105.373718] x19: ffff00080890cc80 x18: 0000000000000006 # [ 105.379310] x17: 0000000000000100 x16: 0000000000000000 # [ 105.384902] x15: ffff8000158fb810 x14: ffff8000958fb9ca # [ 105.390494] x13: ffff8000158fb9d2 x12: 52819801d2800802 # [ 105.396086] x11: a9be7bfdd00085a0 x10: ffff8000125fc128 # [ 105.401679] x9 : ffff80001012b978 x8 : 00000000ffffefff # [ 105.407271] x7 : ffff8000125fc128 x6 : ffff800012575000 # [ 105.412863] x5 : ffff800012575c88 x4 : ffff00097ef08c68 # [ 105.418454] x3 : 0000000000000000 x2 : 0000000000000000 # [ 105.424046] x1 : ffff0008089e0000 x0 : 0000000000000033 # [ 105.429638] Call trace: # [ 105.432351] 0xffff00080890cc80 # [ 105.435764] lkdtm_EXEC_KMALLOC+0x38/0x50 # [ 105.440044] lkdtm_do_action+0x24/0x40 # [ 105.444063] direct_entry+0xc8/0x130 # [ 105.447908] full_proxy_write+0x68/0xbc # [ 105.452015] vfs_write+0xec/0x22c # [ 105.455597] ksys_write+0x78/0x110 # [ 105.459267] __arm64_sys_write+0x24/0x30 # [ 105.463462] el0_svc_common.constprop.0+0x84/0x1e0 # [ 105.468525] do_el0_svc+0x2c/0xa4 # [ 105.472108] el0_svc+0x20/0x30 # [ 105.475431] el0_sync_handler+0xe8/0x114 # [ 105.479622] el0_sync+0x180/0x1c0 # [ 105.483209] Code: 0890cb00 ffff0008 00000000 00010000 (aa1e03e9) # [ 105.489579] ---[ end trace 61925da2c52a7be5 ]--- # EXEC_KMALLOC: saw 'call trace:': ok ok 32 selftests: lkdtm: EXEC_KMALLOC.sh # selftests: lkdtm: EXEC_VMALLOC.sh <6>[ 105.884053] lkdtm: Performing direct entry EXEC_VMALLOC <6>[ 105.889669] lkdtm: attempting ok execution at ffff800010a0b390 <6>[ 105.896010] lkdtm: attempting bad execution at ffff800013a53000 <1>[ 105.902268] Unable to handle kernel execute from non-executable memory at virtual address ffff800013a53000 <1>[ 105.916451] Mem abort info: <1>[ 105.919610] ESR = 0x8600000f <1>[ 105.923058] EC = 0x21: IABT (current EL), IL = 32 bits <1>[ 105.928673] SET = 0, FnV = 0 <1>[ 105.932006] EA = 0, S1PTW = 0 <1>[ 105.935442] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081db0000 <1>[ 105.942440] [ffff800013a53000] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=00000008809f9003, pte=0068000887381703 <0>[ 105.955328] Internal error: Oops: 000000008600000f [#8] PREEMPT SMP <4>[ 105.961872] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables tda998x cec drm_kms_helper crct10dif_ce drm smsc <4>[ 105.973624] CPU: 2 PID: 1803 Comm: cat Tainted: G D W 5.10.226-cip52 #1 <4>[ 105.981644] Hardware name: ARM Juno development board (r0) (DT) <4>[ 105.987842] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 105.994125] pc : 0xffff800013a53000 <4>[ 105.997890] lr : execute_location+0x74/0x94 <4>[ 106.002344] sp : ffff8000159cbcc0 <4>[ 106.005931] x29: ffff8000159cbcc0 x28: ffff000805ae9880 <4>[ 106.011526] x27: 0000000000000000 x26: 0000000000000000 <4>[ 106.017119] x25: ffff8000114db478 x24: ffff8000159cbe20 <4>[ 106.022711] x23: 000000000000000d x22: ffff000807381000 <4>[ 106.028303] x21: 0000000000000001 x20: ffff800010a0b390 <4>[ 106.033895] x19: ffff800013a53000 x18: 0000000000000006 <4>[ 106.039487] x17: 0000000000000100 x16: 0000000000000000 <4>[ 106.045079] x15: ffff8000159cb810 x14: ffff8000959cb9ca <4>[ 106.050671] x13: ffff8000159cb9d2 x12: 52819801d2800802 <4>[ 106.056263] x11: a9be7bfdd00085a0 x10: ffff8000125fc128 <4>[ 106.061855] x9 : ffff80001012b978 x8 : 00000000ffffefff <4>[ 106.067447] x7 : ffff8000125fc128 x6 : ffff800012575000 <4>[ 106.073039] x5 : ffff800012575c88 x4 : ffff00097ef08c68 <4>[ 106.078630] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 106.084222] x1 : ffff000805ae9880 x0 : 0000000000000033 <4>[ 106.089814] Call trace: <4>[ 106.092528] 0xffff800013a53000 <4>[ 106.095941] lkdtm_EXEC_VMALLOC+0x2c/0x4c <4>[ 106.100221] lkdtm_do_action+0x24/0x40 <4>[ 106.104240] direct_entry+0xc8/0x130 <4>[ 106.108085] full_proxy_write+0x68/0xbc <4>[ 106.112192] vfs_write+0xec/0x22c <4>[ 106.115775] ksys_write+0x78/0x110 <4>[ 106.119445] __arm64_sys_write+0x24/0x30 <4>[ 106.123640] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 106.128703] do_el0_svc+0x2c/0xa4 <4>[ 106.132287] el0_svc+0x20/0x30 <4>[ 106.135610] el0_sync_handler+0xe8/0x114 <4>[ 106.139801] el0_sync+0x180/0x1c0 <0>[ 106.143388] Code: bad PC value <4>[ 106.146713] ---[ end trace 61925da2c52a7be6 ]--- # Segmentation fault # [ 105.884053] lkdtm: Performing direct entry EXEC_VMALLOC # [ 105.889669] lkdtm: attempting ok execution at ffff800010a0b390 # [ 105.896010] lkdtm: attempting bad execution at ffff800013a53000 # [ 105.902268] Unable to handle kernel execute from non-executable memory at virtual address ffff800013a53000 # [ 105.916451] Mem abort info: # [ 105.919610] ESR = 0x8600000f # [ 105.923058] EC = 0x21: IABT (current EL), IL = 32 bits # [ 105.928673] SET = 0, FnV = 0 # [ 105.932006] EA = 0, S1PTW = 0 # [ 105.935442] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081db0000 # [ 105.942440] [ffff800013a53000] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=00000008809f9003, pte=0068000887381703 # [ 105.955328] Internal error: Oops: 000000008600000f [#8] PREEMPT SMP # [ 105.961872] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables tda998x cec drm_kms_helper crct10dif_ce drm smsc # [ 105.973624] CPU: 2 PID: 1803 Comm: cat Tainted: G D W 5.10.226-cip52 #1 # [ 105.981644] Hardware name: ARM Juno development board (r0) (DT) # [ 105.987842] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 105.994125] pc : 0xffff800013a53000 # [ 105.997890] lr : execute_location+0x74/0x94 # [ 106.002344] sp : ffff8000159cbcc0 # [ 106.005931] x29: ffff8000159cbcc0 x28: ffff000805ae9880 # [ 106.011526] x27: 0000000000000000 x26: 0000000000000000 # [ 106.017119] x25: ffff8000114db478 x24: ffff8000159cbe20 # [ 106.022711] x23: 000000000000000d x22: ffff000807381000 # [ 106.028303] x21: 0000000000000001 x20: ffff800010a0b390 # [ 106.033895] x19: ffff800013a53000 x18: 0000000000000006 # [ 106.039487] x17: 0000000000000100 x16: 0000000000000000 # [ 106.045079] x15: ffff8000159cb810 x14: ffff8000959cb9ca # [ 106.050671] x13: ffff8000159cb9d2 x12: 52819801d2800802 # [ 106.056263] x11: a9be7bfdd00085a0 x10: ffff8000125fc128 # [ 106.061855] x9 : ffff80001012b978 x8 : 00000000ffffefff # [ 106.067447] x7 : ffff8000125fc128 x6 : ffff800012575000 # [ 106.073039] x5 : ffff800012575c88 x4 : ffff00097ef08c68 # [ 106.078630] x3 : 0000000000000000 x2 : 0000000000000000 # [ 106.084222] x1 : ffff000805ae9880 x0 : 0000000000000033 # [ 106.089814] Call trace: # [ 106.092528] 0xffff800013a53000 # [ 106.095941] lkdtm_EXEC_VMALLOC+0x2c/0x4c # [ 106.100221] lkdtm_do_action+0x24/0x40 # [ 106.104240] direct_entry+0xc8/0x130 # [ 106.108085] full_proxy_write+0x68/0xbc # [ 106.112192] vfs_write+0xec/0x22c # [ 106.115775] ksys_write+0x78/0x110 # [ 106.119445] __arm64_sys_write+0x24/0x30 # [ 106.123640] el0_svc_common.constprop.0+0x84/0x1e0 # [ 106.128703] do_el0_svc+0x2c/0xa4 # [ 106.132287] el0_svc+0x20/0x30 # [ 106.135610] el0_sync_handler+0xe8/0x114 # [ 106.139801] el0_sync+0x180/0x1c0 # [ 106.143388] Code: bad PC value # [ 106.146713] ---[ end trace 61925da2c52a7be6 ]--- # EXEC_VMALLOC: saw 'call trace:': ok ok 33 selftests: lkdtm: EXEC_VMALLOC.sh # selftests: lkdtm: EXEC_RODATA.sh <6>[ 106.560972] lkdtm: Performing direct entry EXEC_RODATA <6>[ 106.566443] lkdtm: attempting ok execution at ffff800010a0b390 <6>[ 106.572677] lkdtm: attempting bad execution at ffff8000114db970 <1>[ 106.578963] Unable to handle kernel execute from non-executable memory at virtual address ffff8000114db970 <1>[ 106.589215] Mem abort info: <1>[ 106.592292] ESR = 0x8600000e <1>[ 106.595733] EC = 0x21: IABT (current EL), IL = 32 bits <1>[ 106.601466] SET = 0, FnV = 0 <1>[ 106.604874] EA = 0, S1PTW = 0 <1>[ 106.608295] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081db0000 <1>[ 106.615299] [ffff8000114db970] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=0060000081600781 <0>[ 106.626259] Internal error: Oops: 000000008600000e [#9] PREEMPT SMP <4>[ 106.632806] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables tda998x cec drm_kms_helper crct10dif_ce drm smsc <4>[ 106.644557] CPU: 1 PID: 1847 Comm: cat Tainted: G D W 5.10.226-cip52 #1 <4>[ 106.652580] Hardware name: ARM Juno development board (r0) (DT) <4>[ 106.658783] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 106.665076] pc : lkdtm_rodata_do_nothing+0x0/0x10 <4>[ 106.670055] lr : execute_location+0x74/0x94 <4>[ 106.674511] sp : ffff800015a33cd0 <4>[ 106.678093] x29: ffff800015a33cd0 x28: ffff000805aa9880 <4>[ 106.683687] x27: 0000000000000000 x26: 0000000000000000 <4>[ 106.689280] x25: ffff8000114db478 x24: ffff800015a33e20 <4>[ 106.694874] x23: 000000000000000c x22: ffff000803ff3000 <4>[ 106.700468] x21: 0000000000000000 x20: ffff800010a0b390 <4>[ 106.706067] x19: ffff8000114db970 x18: 0000000000000006 <4>[ 106.711660] x17: 0000000000000100 x16: 0000000000000000 <4>[ 106.717251] x15: ffff800015a33820 x14: ffff800095a339da <4>[ 106.722843] x13: ffff800015a339e2 x12: 0000000000000020 <4>[ 106.728435] x11: 0000000000000018 x10: ffff8000125fc128 <4>[ 106.734027] x9 : ffff80001012b978 x8 : 00000000ffffefff <4>[ 106.739619] x7 : ffff8000125fc128 x6 : ffff800012575000 <4>[ 106.745211] x5 : ffff800012575c88 x4 : ffff00097ef6ec68 <4>[ 106.750803] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 106.756394] x1 : ffff000805aa9880 x0 : 0000000000000033 <4>[ 106.761986] Call trace: <4>[ 106.764702] lkdtm_rodata_do_nothing+0x0/0x10 <4>[ 106.769330] lkdtm_EXEC_RODATA+0x24/0x30 <4>[ 106.773525] lkdtm_do_action+0x24/0x40 <4>[ 106.777544] direct_entry+0xc8/0x130 <4>[ 106.781390] full_proxy_write+0x68/0xbc <4>[ 106.785497] vfs_write+0xec/0x22c <4>[ 106.789079] ksys_write+0x78/0x110 <4>[ 106.792749] __arm64_sys_write+0x24/0x30 <4>[ 106.796944] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 106.802006] do_el0_svc+0x2c/0xa4 <4>[ 106.805589] el0_svc+0x20/0x30 <4>[ 106.808913] el0_sync_handler+0xe8/0x114 <4>[ 106.813104] el0_sync+0x180/0x1c0 <0>[ 106.816691] Code: 00000074 00000000 aa55aa55 00000000 (d503233f) <4>[ 106.823061] ---[ end trace 61925da2c52a7be7 ]--- # Segmentation fault # [ 106.560972] lkdtm: Performing direct entry EXEC_RODATA # [ 106.566443] lkdtm: attempting ok execution at ffff800010a0b390 # [ 106.572677] lkdtm: attempting bad execution at ffff8000114db970 # [ 106.578963] Unable to handle kernel execute from non-executable memory at virtual address ffff8000114db970 # [ 106.589215] Mem abort info: # [ 106.592292] ESR = 0x8600000e # [ 106.595733] EC = 0x21: IABT (current EL), IL = 32 bits # [ 106.601466] SET = 0, FnV = 0 # [ 106.604874] EA = 0, S1PTW = 0 # [ 106.608295] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081db0000 # [ 106.615299] [ffff8000114db970] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=0060000081600781 # [ 106.626259] Internal error: Oops: 000000008600000e [#9] PREEMPT SMP # [ 106.632806] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables tda998x cec drm_kms_helper crct10dif_ce drm smsc # [ 106.644557] CPU: 1 PID: 1847 Comm: cat Tainted: G D W 5.10.226-cip52 #1 # [ 106.652580] Hardware name: ARM Juno development board (r0) (DT) # [ 106.658783] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 106.665076] pc : lkdtm_rodata_do_nothing+0x0/0x10 # [ 106.670055] lr : execute_location+0x74/0x94 # [ 106.674511] sp : ffff800015a33cd0 # [ 106.678093] x29: ffff800015a33cd0 x28: ffff000805aa9880 # [ 106.683687] x27: 0000000000000000 x26: 0000000000000000 # [ 106.689280] x25: ffff8000114db478 x24: ffff800015a33e20 # [ 106.694874] x23: 000000000000000c x22: ffff000803ff3000 # [ 106.700468] x21: 0000000000000000 x20: ffff800010a0b390 # [ 106.706067] x19: ffff8000114db970 x18: 0000000000000006 # [ 106.711660] x17: 0000000000000100 x16: 0000000000000000 # [ 106.717251] x15: ffff800015a33820 x14: ffff800095a339da # [ 106.722843] x13: ffff800015a339e2 x12: 0000000000000020 # [ 106.728435] x11: 0000000000000018 x10: ffff8000125fc128 # [ 106.734027] x9 : ffff80001012b978 x8 : 00000000ffffefff # [ 106.739619] x7 : ffff8000125fc128 x6 : ffff800012575000 # [ 106.745211] x5 : ffff800012575c88 x4 : ffff00097ef6ec68 # [ 106.750803] x3 : 0000000000000000 x2 : 0000000000000000 # [ 106.756394] x1 : ffff000805aa9880 x0 : 0000000000000033 # [ 106.761986] Call trace: # [ 106.764702] lkdtm_rodata_do_nothing+0x0/0x10 # [ 106.769330] lkdtm_EXEC_RODATA+0x24/0x30 # [ 106.773525] lkdtm_do_action+0x24/0x40 # [ 106.777544] direct_entry+0xc8/0x130 # [ 106.781390] full_proxy_write+0x68/0xbc # [ 106.785497] vfs_write+0xec/0x22c # [ 106.789079] ksys_write+0x78/0x110 # [ 106.792749] __arm64_sys_write+0x24/0x30 # [ 106.796944] el0_svc_common.constprop.0+0x84/0x1e0 # [ 106.802006] do_el0_svc+0x2c/0xa4 # [ 106.805589] el0_svc+0x20/0x30 # [ 106.808913] el0_sync_handler+0xe8/0x114 # [ 106.813104] el0_sync+0x180/0x1c0 # [ 106.816691] Code: 00000074 00000000 aa55aa55 00000000 (d503233f) # [ 106.823061] ---[ end trace 61925da2c52a7be7 ]--- # EXEC_RODATA: saw 'call trace:': ok ok 34 selftests: lkdtm: EXEC_RODATA.sh # selftests: lkdtm: EXEC_USERSPACE.sh <6>[ 107.275206] lkdtm: Performing direct entry EXEC_USERSPACE <6>[ 107.280985] lkdtm: attempting ok execution at ffff800010a0b390 <6>[ 107.287235] lkdtm: attempting bad execution at 0000ffffa8021000 <1>[ 107.293496] Unable to handle kernel execution of user memory at virtual address 0000ffffa8021000 <1>[ 107.302689] Mem abort info: <1>[ 107.306081] ESR = 0x8600000f <1>[ 107.309540] EC = 0x21: IABT (current EL), IL = 32 bits <1>[ 107.315158] SET = 0, FnV = 0 <1>[ 107.318515] EA = 0, S1PTW = 0 <1>[ 107.321950] user pgtable: 4k pages, 48-bit VAs, pgdp=0000000885c27000 <1>[ 107.328691] [0000ffffa8021000] pgd=0000000883b33003, p4d=0000000883b33003, pud=00000008873a9003, pmd=0000000887fce003, pte=00a800088cf59f43 <0>[ 107.341572] Internal error: Oops: 000000008600000f [#10] PREEMPT SMP <4>[ 107.348203] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables tda998x cec drm_kms_helper crct10dif_ce drm smsc <4>[ 107.359960] CPU: 2 PID: 1890 Comm: cat Tainted: G D W 5.10.226-cip52 #1 <4>[ 107.367980] Hardware name: ARM Juno development board (r0) (DT) <4>[ 107.374176] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 107.380460] pc : 0xffffa8021000 <4>[ 107.383875] lr : lkdtm_EXEC_USERSPACE+0xe0/0xf0 <4>[ 107.388674] sp : ffff800015433cf0 <4>[ 107.392258] x29: ffff800015433cf0 x28: ffff0008073e0000 <4>[ 107.397857] x27: 0000000000000000 x26: 0000000000000000 <4>[ 107.403451] x25: ffff8000114db478 x24: ffff800015433e20 <4>[ 107.409043] x23: 000000000000000f x22: ffff000804108000 <4>[ 107.414636] x21: ffff8000119f1258 x20: ffff800010a0b390 <4>[ 107.420227] x19: 0000ffffa8021000 x18: 0000000000000006 <4>[ 107.425819] x17: 0000000000000100 x16: 0000000000000000 <4>[ 107.431411] x15: ffff800015433840 x14: ffff8000954339fa <4>[ 107.437003] x13: ffff800015433a02 x12: 52819801d2800802 <4>[ 107.442595] x11: a9be7bfdd00085a0 x10: ffff8000125fc128 <4>[ 107.448187] x9 : ffff80001012b978 x8 : 00000000ffffefff <4>[ 107.453779] x7 : ffff8000125fc128 x6 : ffff800012575000 <4>[ 107.459371] x5 : ffff800012575c88 x4 : ffff00097ef6ec68 <4>[ 107.464963] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 107.470555] x1 : ffff0008073e0000 x0 : 0000000000000033 <4>[ 107.476148] Call trace: <4>[ 107.478861] 0xffffa8021000 <4>[ 107.481923] lkdtm_do_action+0x24/0x40 <4>[ 107.485942] direct_entry+0xc8/0x130 <4>[ 107.489788] full_proxy_write+0x68/0xbc <4>[ 107.493895] vfs_write+0xec/0x22c <4>[ 107.497477] ksys_write+0x78/0x110 <4>[ 107.501147] __arm64_sys_write+0x24/0x30 <4>[ 107.505341] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 107.510404] do_el0_svc+0x2c/0xa4 <4>[ 107.513988] el0_svc+0x20/0x30 <4>[ 107.517311] el0_sync_handler+0xe8/0x114 <4>[ 107.521503] el0_sync+0x180/0x1c0 <0>[ 107.525090] Code: bad PC value <4>[ 107.528415] ---[ end trace 61925da2c52a7be8 ]--- # Segmentation fault # [ 107.275206] lkdtm: Performing direct entry EXEC_USERSPACE # [ 107.280985] lkdtm: attempting ok execution at ffff800010a0b390 # [ 107.287235] lkdtm: attempting bad execution at 0000ffffa8021000 # [ 107.293496] Unable to handle kernel execution of user memory at virtual address 0000ffffa8021000 # [ 107.302689] Mem abort info: # [ 107.306081] ESR = 0x8600000f # [ 107.309540] EC = 0x21: IABT (current EL), IL = 32 bits # [ 107.315158] SET = 0, FnV = 0 # [ 107.318515] EA = 0, S1PTW = 0 # [ 107.321950] user pgtable: 4k pages, 48-bit VAs, pgdp=0000000885c27000 # [ 107.328691] [0000ffffa8021000] pgd=0000000883b33003, p4d=0000000883b33003, pud=00000008873a9003, pmd=0000000887fce003, pte=00a800088cf59f43 # [ 107.341572] Internal error: Oops: 000000008600000f [#10] PREEMPT SMP # [ 107.348203] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables tda998x cec drm_kms_helper crct10dif_ce drm smsc # [ 107.359960] CPU: 2 PID: 1890 Comm: cat Tainted: G D W 5.10.226-cip52 #1 # [ 107.367980] Hardware name: ARM Juno development board (r0) (DT) # [ 107.374176] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 107.380460] pc : 0xffffa8021000 # [ 107.383875] lr : lkdtm_EXEC_USERSPACE+0xe0/0xf0 # [ 107.388674] sp : ffff800015433cf0 # [ 107.392258] x29: ffff800015433cf0 x28: ffff0008073e0000 # [ 107.397857] x27: 0000000000000000 x26: 0000000000000000 # [ 107.403451] x25: ffff8000114db478 x24: ffff800015433e20 # [ 107.409043] x23: 000000000000000f x22: ffff000804108000 # [ 107.414636] x21: ffff8000119f1258 x20: ffff800010a0b390 # [ 107.420227] x19: 0000ffffa8021000 x18: 0000000000000006 # [ 107.425819] x17: 0000000000000100 x16: 0000000000000000 # [ 107.431411] x15: ffff800015433840 x14: ffff8000954339fa # [ 107.437003] x13: ffff800015433a02 x12: 52819801d2800802 # [ 107.442595] x11: a9be7bfdd00085a0 x10: ffff8000125fc128 # [ 107.448187] x9 : ffff80001012b978 x8 : 00000000ffffefff # [ 107.453779] x7 : ffff8000125fc128 x6 : ffff800012575000 # [ 107.459371] x5 : ffff800012575c88 x4 : ffff00097ef6ec68 # [ 107.464963] x3 : 0000000000000000 x2 : 0000000000000000 # [ 107.470555] x1 : ffff0008073e0000 x0 : 0000000000000033 # [ 107.476148] Call trace: # [ 107.478861] 0xffffa8021000 # [ 107.481923] lkdtm_do_action+0x24/0x40 # [ 107.485942] direct_entry+0xc8/0x130 # [ 107.489788] full_proxy_write+0x68/0xbc # [ 107.493895] vfs_write+0xec/0x22c # [ 107.497477] ksys_write+0x78/0x110 # [ 107.501147] __arm64_sys_write+0x24/0x30 # [ 107.505341] el0_svc_common.constprop.0+0x84/0x1e0 # [ 107.510404] do_el0_svc+0x2c/0xa4 # [ 107.513988] el0_svc+0x20/0x30 # [ 107.517311] el0_sync_handler+0xe8/0x114 # [ 107.521503] el0_sync+0x180/0x1c0 # [ 107.525090] Code: bad PC value # [ 107.528415] ---[ end trace 61925da2c52a7be8 ]--- # EXEC_USERSPACE: saw 'call trace:': ok ok 35 selftests: lkdtm: EXEC_USERSPACE.sh # selftests: lkdtm: EXEC_NULL.sh <6>[ 107.997153] lkdtm: Performing direct entry EXEC_NULL <6>[ 108.002465] lkdtm: attempting ok execution at ffff800010a0b390 <6>[ 108.008640] lkdtm: attempting bad execution at 0000000000000000 <1>[ 108.014899] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000 <1>[ 108.024151] Mem abort info: <1>[ 108.027366] ESR = 0x86000004 <1>[ 108.030836] EC = 0x21: IABT (current EL), IL = 32 bits <1>[ 108.036454] SET = 0, FnV = 0 <1>[ 108.039785] EA = 0, S1PTW = 0 <1>[ 108.043223] user pgtable: 4k pages, 48-bit VAs, pgdp=0000000882b5e000 <1>[ 108.049963] [0000000000000000] pgd=0000000000000000, p4d=0000000000000000 <0>[ 108.057100] Internal error: Oops: 0000000086000004 [#11] PREEMPT SMP <4>[ 108.063736] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables tda998x cec drm_kms_helper crct10dif_ce drm smsc <4>[ 108.075489] CPU: 1 PID: 1933 Comm: cat Tainted: G D W 5.10.226-cip52 #1 <4>[ 108.083509] Hardware name: ARM Juno development board (r0) (DT) <4>[ 108.089704] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 108.095990] pc : 0x0 <4>[ 108.098452] lr : execute_location+0x74/0x94 <4>[ 108.102905] sp : ffff800015bebcd0 <4>[ 108.106494] x29: ffff800015bebcd0 x28: ffff0008089e0000 <4>[ 108.112094] x27: 0000000000000000 x26: 0000000000000000 <4>[ 108.117688] x25: ffff8000114db478 x24: ffff800015bebe20 <4>[ 108.123280] x23: 000000000000000a x22: ffff000803d31000 <4>[ 108.128872] x21: 0000000000000000 x20: ffff800010a0b390 <4>[ 108.134464] x19: 0000000000000000 x18: 0000000000000006 <4>[ 108.140056] x17: 0000000000000100 x16: 0000000000000000 <4>[ 108.145648] x15: ffff800015beb820 x14: ffff800095beb9da <4>[ 108.151240] x13: ffff800015beb9e4 x12: 0000000000000010 <4>[ 108.156832] x11: 0000000000000008 x10: ffff8000125fc128 <4>[ 108.162423] x9 : ffff80001012b978 x8 : 00000000ffffefff <4>[ 108.168015] x7 : ffff8000125fc128 x6 : ffff800012575000 <4>[ 108.173607] x5 : ffff800012575c88 x4 : ffff00097ef90c68 <4>[ 108.179198] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 108.184790] x1 : ffff0008089e0000 x0 : 0000000000000033 <4>[ 108.190381] Call trace: <4>[ 108.193095] 0x0 <4>[ 108.195200] lkdtm_EXEC_NULL+0x20/0x2c <4>[ 108.199221] lkdtm_do_action+0x24/0x40 <4>[ 108.203240] direct_entry+0xc8/0x130 <4>[ 108.207085] full_proxy_write+0x68/0xbc <4>[ 108.211192] vfs_write+0xec/0x22c <4>[ 108.214775] ksys_write+0x78/0x110 <4>[ 108.218445] __arm64_sys_write+0x24/0x30 <4>[ 108.222640] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 108.227703] do_el0_svc+0x2c/0xa4 <4>[ 108.231287] el0_svc+0x20/0x30 <4>[ 108.234610] el0_sync_handler+0xe8/0x114 <4>[ 108.238802] el0_sync+0x180/0x1c0 <0>[ 108.242390] Code: bad PC value <4>[ 108.245715] ---[ end trace 61925da2c52a7be9 ]--- # Segmentation fault # [ 107.997153] lkdtm: Performing direct entry EXEC_NULL # [ 108.002465] lkdtm: attempting ok execution at ffff800010a0b390 # [ 108.008640] lkdtm: attempting bad execution at 0000000000000000 # [ 108.014899] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000 # [ 108.024151] Mem abort info: # [ 108.027366] ESR = 0x86000004 # [ 108.030836] EC = 0x21: IABT (current EL), IL = 32 bits # [ 108.036454] SET = 0, FnV = 0 # [ 108.039785] EA = 0, S1PTW = 0 # [ 108.043223] user pgtable: 4k pages, 48-bit VAs, pgdp=0000000882b5e000 # [ 108.049963] [0000000000000000] pgd=0000000000000000, p4d=0000000000000000 # [ 108.057100] Internal error: Oops: 0000000086000004 [#11] PREEMPT SMP # [ 108.063736] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables tda998x cec drm_kms_helper crct10dif_ce drm smsc # [ 108.075489] CPU: 1 PID: 1933 Comm: cat Tainted: G D W 5.10.226-cip52 #1 # [ 108.083509] Hardware name: ARM Juno development board (r0) (DT) # [ 108.089704] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 108.095990] pc : 0x0 # [ 108.098452] lr : execute_location+0x74/0x94 # [ 108.102905] sp : ffff800015bebcd0 # [ 108.106494] x29: ffff800015bebcd0 x28: ffff0008089e0000 # [ 108.112094] x27: 0000000000000000 x26: 0000000000000000 # [ 108.117688] x25: ffff8000114db478 x24: ffff800015bebe20 # [ 108.123280] x23: 000000000000000a x22: ffff000803d31000 # [ 108.128872] x21: 0000000000000000 x20: ffff800010a0b390 # [ 108.134464] x19: 0000000000000000 x18: 0000000000000006 # [ 108.140056] x17: 0000000000000100 x16: 0000000000000000 # [ 108.145648] x15: ffff800015beb820 x14: ffff800095beb9da # [ 108.151240] x13: ffff800015beb9e4 x12: 0000000000000010 # [ 108.156832] x11: 0000000000000008 x10: ffff8000125fc128 # [ 108.162423] x9 : ffff80001012b978 x8 : 00000000ffffefff # [ 108.168015] x7 : ffff8000125fc128 x6 : ffff800012575000 # [ 108.173607] x5 : ffff800012575c88 x4 : ffff00097ef90c68 # [ 108.179198] x3 : 0000000000000000 x2 : 0000000000000000 # [ 108.184790] x1 : ffff0008089e0000 x0 : 0000000000000033 # [ 108.190381] Call trace: # [ 108.193095] 0x0 # [ 108.195200] lkdtm_EXEC_NULL+0x20/0x2c # [ 108.199221] lkdtm_do_action+0x24/0x40 # [ 108.203240] direct_entry+0xc8/0x130 # [ 108.207085] full_proxy_write+0x68/0xbc # [ 108.211192] vfs_write+0xec/0x22c # [ 108.214775] ksys_write+0x78/0x110 # [ 108.218445] __arm64_sys_write+0x24/0x30 # [ 108.222640] el0_svc_common.constprop.0+0x84/0x1e0 # [ 108.227703] do_el0_svc+0x2c/0xa4 # [ 108.231287] el0_svc+0x20/0x30 # [ 108.234610] el0_sync_handler+0xe8/0x114 # [ 108.238802] el0_sync+0x180/0x1c0 # [ 108.242390] Code: bad PC value # [ 108.245715] ---[ end trace 61925da2c52a7be9 ]--- # EXEC_NULL: saw 'call trace:': ok ok 36 selftests: lkdtm: EXEC_NULL.sh # selftests: lkdtm: ACCESS_USERSPACE.sh <6>[ 108.673317] lkdtm: Performing direct entry ACCESS_USERSPACE <6>[ 108.679287] lkdtm: attempting bad read at 0000ffffa8d86000 <3>[ 108.685116] lkdtm: FAIL: survived bad read <6>[ 108.689541] lkdtm: attempting bad write at 0000ffffa8d86000 <3>[ 108.695445] lkdtm: FAIL: survived bad write # [ 108.673317] lkdtm: Performing direct entry ACCESS_USERSPACE # [ 108.679287] lkdtm: attempting bad read at 0000ffffa8d86000 # [ 108.685116] lkdtm: FAIL: survived bad read # [ 108.689541] lkdtm: attempting bad write at 0000ffffa8d86000 # [ 108.695445] 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>[ 109.136729] lkdtm: Performing direct entry ACCESS_NULL <6>[ 109.142215] lkdtm: attempting bad read at 0000000000000000 <1>[ 109.148054] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000 <1>[ 109.157247] Mem abort info: <1>[ 109.160431] ESR = 0x96000004 <1>[ 109.163765] EC = 0x25: DABT (current EL), IL = 32 bits <1>[ 109.169488] SET = 0, FnV = 0 <1>[ 109.172833] EA = 0, S1PTW = 0 <1>[ 109.176244] Data abort info: <1>[ 109.179411] ISV = 0, ISS = 0x00000004 <1>[ 109.183535] CM = 0, WnR = 0 <1>[ 109.186792] user pgtable: 4k pages, 48-bit VAs, pgdp=00000008889fe000 <1>[ 109.193532] [0000000000000000] pgd=0000000000000000, p4d=0000000000000000 <0>[ 109.200643] Internal error: Oops: 0000000096000004 [#12] PREEMPT SMP <4>[ 109.207279] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables tda998x cec drm_kms_helper crct10dif_ce drm smsc <4>[ 109.219032] CPU: 2 PID: 2011 Comm: cat Tainted: G D W 5.10.226-cip52 #1 <4>[ 109.227054] Hardware name: ARM Juno development board (r0) (DT) <4>[ 109.233255] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 109.239544] pc : lkdtm_ACCESS_NULL+0x2c/0x78 <4>[ 109.244089] lr : lkdtm_ACCESS_NULL+0x2c/0x78 <4>[ 109.248633] sp : ffff800015d4bcf0 <4>[ 109.252218] x29: ffff800015d4bcf0 x28: ffff000808848000 <4>[ 109.257815] x27: 0000000000000000 x26: 0000000000000000 <4>[ 109.263409] x25: ffff8000114db478 x24: ffff800015d4be20 <4>[ 109.269002] x23: 000000000000000c x22: ffff000807c4c000 <4>[ 109.274594] x21: ffff8000119f1290 x20: 0000000000000000 <4>[ 109.280186] x19: ffff8000114db6f8 x18: 0000000000000006 <4>[ 109.285778] x17: 0000000000000100 x16: 0000000000000000 <4>[ 109.291370] x15: ffff800015d4b840 x14: ffff800095d4b9fa <4>[ 109.296961] x13: ffff800015d4ba02 x12: 0000000000000020 <4>[ 109.302553] x11: 0000000000000018 x10: ffff8000125fc128 <4>[ 109.308144] x9 : ffff80001012b978 x8 : 00000000ffffefff <4>[ 109.313736] x7 : ffff8000125fc128 x6 : ffff800012575000 <4>[ 109.319328] x5 : ffff800012575c88 x4 : ffff00097efb2c68 <4>[ 109.324920] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 109.330511] x1 : ffff000808848000 x0 : 000000000000002e <4>[ 109.336103] Call trace: <4>[ 109.338820] lkdtm_ACCESS_NULL+0x2c/0x78 <4>[ 109.343016] lkdtm_do_action+0x24/0x40 <4>[ 109.347035] direct_entry+0xc8/0x130 <4>[ 109.350881] full_proxy_write+0x68/0xbc <4>[ 109.354987] vfs_write+0xec/0x22c <4>[ 109.358570] ksys_write+0x78/0x110 <4>[ 109.362239] __arm64_sys_write+0x24/0x30 <4>[ 109.366434] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 109.371497] do_el0_svc+0x2c/0xa4 <4>[ 109.375081] el0_svc+0x20/0x30 <4>[ 109.378404] el0_sync_handler+0xe8/0x114 <4>[ 109.382595] el0_sync+0x180/0x1c0 <0>[ 109.386182] Code: d2800014 f0003e40 910c0000 97ffdf14 (f9400293) <4>[ 109.392553] ---[ end trace 61925da2c52a7bea ]--- # Segmentation fault # [ 109.136729] lkdtm: Performing direct entry ACCESS_NULL # [ 109.142215] lkdtm: attempting bad read at 0000000000000000 # [ 109.148054] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000 # [ 109.157247] Mem abort info: # [ 109.160431] ESR = 0x96000004 # [ 109.163765] EC = 0x25: DABT (current EL), IL = 32 bits # [ 109.169488] SET = 0, FnV = 0 # [ 109.172833] EA = 0, S1PTW = 0 # [ 109.176244] Data abort info: # [ 109.179411] ISV = 0, ISS = 0x00000004 # [ 109.183535] CM = 0, WnR = 0 # [ 109.186792] user pgtable: 4k pages, 48-bit VAs, pgdp=00000008889fe000 # [ 109.193532] [0000000000000000] pgd=0000000000000000, p4d=0000000000000000 # [ 109.200643] Internal error: Oops: 0000000096000004 [#12] PREEMPT SMP # [ 109.207279] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables tda998x cec drm_kms_helper crct10dif_ce drm smsc # [ 109.219032] CPU: 2 PID: 2011 Comm: cat Tainted: G D W 5.10.226-cip52 #1 # [ 109.227054] Hardware name: ARM Juno development board (r0) (DT) # [ 109.233255] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 109.239544] pc : lkdtm_ACCESS_NULL+0x2c/0x78 # [ 109.244089] lr : lkdtm_ACCESS_NULL+0x2c/0x78 # [ 109.248633] sp : ffff800015d4bcf0 # [ 109.252218] x29: ffff800015d4bcf0 x28: ffff000808848000 # [ 109.257815] x27: 0000000000000000 x26: 0000000000000000 # [ 109.263409] x25: ffff8000114db478 x24: ffff800015d4be20 # [ 109.269002] x23: 000000000000000c x22: ffff000807c4c000 # [ 109.274594] x21: ffff8000119f1290 x20: 0000000000000000 # [ 109.280186] x19: ffff8000114db6f8 x18: 0000000000000006 # [ 109.285778] x17: 0000000000000100 x16: 0000000000000000 # [ 109.291370] x15: ffff800015d4b840 x14: ffff800095d4b9fa # [ 109.296961] x13: ffff800015d4ba02 x12: 0000000000000020 # [ 109.302553] x11: 0000000000000018 x10: ffff8000125fc128 # [ 109.308144] x9 : ffff80001012b978 x8 : 00000000ffffefff # [ 109.313736] x7 : ffff8000125fc128 x6 : ffff800012575000 # [ 109.319328] x5 : ffff800012575c88 x4 : ffff00097efb2c68 # [ 109.324920] x3 : 0000000000000000 x2 : 0000000000000000 # [ 109.330511] x1 : ffff000808848000 x0 : 000000000000002e # [ 109.336103] Call trace: # [ 109.338820] lkdtm_ACCESS_NULL+0x2c/0x78 # [ 109.343016] lkdtm_do_action+0x24/0x40 # [ 109.347035] direct_entry+0xc8/0x130 # [ 109.350881] full_proxy_write+0x68/0xbc # [ 109.354987] vfs_write+0xec/0x22c # [ 109.358570] ksys_write+0x78/0x110 # [ 109.362239] __arm64_sys_write+0x24/0x30 # [ 109.366434] el0_svc_common.constprop.0+0x84/0x1e0 # [ 109.371497] do_el0_svc+0x2c/0xa4 # [ 109.375081] el0_svc+0x20/0x30 # [ 109.378404] el0_sync_handler+0xe8/0x114 # [ 109.382595] el0_sync+0x180/0x1c0 # [ 109.386182] Code: d2800014 f0003e40 910c0000 97ffdf14 (f9400293) # [ 109.392553] ---[ end trace 61925da2c52a7bea ]--- # ACCESS_NULL: saw 'call trace:': ok ok 38 selftests: lkdtm: ACCESS_NULL.sh # selftests: lkdtm: WRITE_RO.sh <6>[ 109.851501] lkdtm: Performing direct entry WRITE_RO <6>[ 109.856811] lkdtm: attempting bad rodata write at ffff8000114db968 <1>[ 109.863369] Unable to handle kernel write to read-only memory at virtual address ffff8000114db968 <1>[ 109.872810] Mem abort info: <1>[ 109.875887] ESR = 0x9600004e <1>[ 109.879267] EC = 0x25: DABT (current EL), IL = 32 bits <1>[ 109.884875] SET = 0, FnV = 0 <1>[ 109.888208] EA = 0, S1PTW = 0 <1>[ 109.891639] Data abort info: <1>[ 109.894808] ISV = 0, ISS = 0x0000004e <1>[ 109.898935] CM = 0, WnR = 1 <1>[ 109.902194] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081db0000 <1>[ 109.909194] [ffff8000114db968] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=0060000081600781 <0>[ 109.920192] Internal error: Oops: 000000009600004e [#13] PREEMPT SMP <4>[ 109.926823] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables tda998x cec drm_kms_helper crct10dif_ce drm smsc <4>[ 109.938574] CPU: 2 PID: 2057 Comm: cat Tainted: G D W 5.10.226-cip52 #1 <4>[ 109.946595] Hardware name: ARM Juno development board (r0) (DT) <4>[ 109.952792] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 109.959084] pc : lkdtm_WRITE_RO+0x44/0x5c <4>[ 109.963364] lr : lkdtm_WRITE_RO+0x2c/0x5c <4>[ 109.967641] sp : ffff800015e2bcf0 <4>[ 109.971223] x29: ffff800015e2bcf0 x28: ffff0008089dc980 <4>[ 109.976817] x27: 0000000000000000 x26: 0000000000000000 <4>[ 109.982412] x25: ffff8000114db478 x24: ffff800015e2be20 <4>[ 109.988008] x23: 0000000000000009 x22: ffff000803d7a000 <4>[ 109.993601] x21: ffff8000119f12a0 x20: 0000000000000028 <4>[ 109.999193] x19: ffff8000114db000 x18: 0000000000000006 <4>[ 110.004785] x17: 0000000000000100 x16: 0000000000000000 <4>[ 110.010377] x15: ffff800015e2b840 x14: ffff800095e2b9fa <4>[ 110.015970] x13: ffff800015e2ba02 x12: 0000000000000008 <4>[ 110.021561] x11: 0000000000000000 x10: ffff8000125fc128 <4>[ 110.027154] x9 : ffff80001012b978 x8 : 00000000ffffefff <4>[ 110.032746] x7 : ffff8000125fc128 x6 : ffff800012575000 <4>[ 110.038338] x5 : ffff800012575c88 x4 : ffff00097efb2c68 <4>[ 110.043930] x3 : 0000000000000000 x2 : 00000000abcd1234 <4>[ 110.049522] x1 : 000000000198b861 x0 : ffff8000119f21f0 <4>[ 110.055114] Call trace: <4>[ 110.057829] lkdtm_WRITE_RO+0x44/0x5c <4>[ 110.061765] lkdtm_do_action+0x24/0x40 <4>[ 110.065784] direct_entry+0xc8/0x130 <4>[ 110.069630] full_proxy_write+0x68/0xbc <4>[ 110.073736] vfs_write+0xec/0x22c <4>[ 110.077319] ksys_write+0x78/0x110 <4>[ 110.080989] __arm64_sys_write+0x24/0x30 <4>[ 110.085184] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 110.090247] do_el0_svc+0x2c/0xa4 <4>[ 110.093830] el0_svc+0x20/0x30 <4>[ 110.097152] el0_sync_handler+0xe8/0x114 <4>[ 110.101344] el0_sync+0x180/0x1c0 <0>[ 110.104930] Code: f2b579a2 f0003e40 ca020021 9107c000 (f904b661) <4>[ 110.111299] ---[ end trace 61925da2c52a7beb ]--- # Segmentation fault # [ 109.851501] lkdtm: Performing direct entry WRITE_RO # [ 109.856811] lkdtm: attempting bad rodata write at ffff8000114db968 # [ 109.863369] Unable to handle kernel write to read-only memory at virtual address ffff8000114db968 # [ 109.872810] Mem abort info: # [ 109.875887] ESR = 0x9600004e # [ 109.879267] EC = 0x25: DABT (current EL), IL = 32 bits # [ 109.884875] SET = 0, FnV = 0 # [ 109.888208] EA = 0, S1PTW = 0 # [ 109.891639] Data abort info: # [ 109.894808] ISV = 0, ISS = 0x0000004e # [ 109.898935] CM = 0, WnR = 1 # [ 109.902194] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081db0000 # [ 109.909194] [ffff8000114db968] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=0060000081600781 # [ 109.920192] Internal error: Oops: 000000009600004e [#13] PREEMPT SMP # [ 109.926823] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables tda998x cec drm_kms_helper crct10dif_ce drm smsc # [ 109.938574] CPU: 2 PID: 2057 Comm: cat Tainted: G D W 5.10.226-cip52 #1 # [ 109.946595] Hardware name: ARM Juno development board (r0) (DT) # [ 109.952792] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 109.959084] pc : lkdtm_WRITE_RO+0x44/0x5c # [ 109.963364] lr : lkdtm_WRITE_RO+0x2c/0x5c # [ 109.967641] sp : ffff800015e2bcf0 # [ 109.971223] x29: ffff800015e2bcf0 x28: ffff0008089dc980 # [ 109.976817] x27: 0000000000000000 x26: 0000000000000000 # [ 109.982412] x25: ffff8000114db478 x24: ffff800015e2be20 # [ 109.988008] x23: 0000000000000009 x22: ffff000803d7a000 # [ 109.993601] x21: ffff8000119f12a0 x20: 0000000000000028 # [ 109.999193] x19: ffff8000114db000 x18: 0000000000000006 # [ 110.004785] x17: 0000000000000100 x16: 0000000000000000 # [ 110.010377] x15: ffff800015e2b840 x14: ffff800095e2b9fa # [ 110.015970] x13: ffff800015e2ba02 x12: 0000000000000008 # [ 110.021561] x11: 0000000000000000 x10: ffff8000125fc128 # [ 110.027154] x9 : ffff80001012b978 x8 : 00000000ffffefff # [ 110.032746] x7 : ffff8000125fc128 x6 : ffff800012575000 # [ 110.038338] x5 : ffff800012575c88 x4 : ffff00097efb2c68 # [ 110.043930] x3 : 0000000000000000 x2 : 00000000abcd1234 # [ 110.049522] x1 : 000000000198b861 x0 : ffff8000119f21f0 # [ 110.055114] Call trace: # [ 110.057829] lkdtm_WRITE_RO+0x44/0x5c # [ 110.061765] lkdtm_do_action+0x24/0x40 # [ 110.065784] direct_entry+0xc8/0x130 # [ 110.069630] full_proxy_write+0x68/0xbc # [ 110.073736] vfs_write+0xec/0x22c # [ 110.077319] ksys_write+0x78/0x110 # [ 110.080989] __arm64_sys_write+0x24/0x30 # [ 110.085184] el0_svc_common.constprop.0+0x84/0x1e0 # [ 110.090247] do_el0_svc+0x2c/0xa4 # [ 110.093830] el0_svc+0x20/0x30 # [ 110.097152] el0_sync_handler+0xe8/0x114 # [ 110.101344] el0_sync+0x180/0x1c0 # [ 110.104930] Code: f2b579a2 f0003e40 ca020021 9107c000 (f904b661) # [ 110.111299] ---[ end trace 61925da2c52a7beb ]--- # WRITE_RO: saw 'call trace:': ok ok 39 selftests: lkdtm: WRITE_RO.sh # selftests: lkdtm: WRITE_RO_AFTER_INIT.sh <6>[ 110.567658] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT <6>[ 110.573927] lkdtm: attempting bad ro_after_init write at ffff800011ac40c0 <1>[ 110.581140] Unable to handle kernel write to read-only memory at virtual address ffff800011ac40c0 <1>[ 110.590389] Mem abort info: <1>[ 110.593838] ESR = 0x9600004f <1>[ 110.597217] EC = 0x25: DABT (current EL), IL = 32 bits <1>[ 110.602837] SET = 0, FnV = 0 <1>[ 110.606187] EA = 0, S1PTW = 0 <1>[ 110.609621] Data abort info: <1>[ 110.612798] ISV = 0, ISS = 0x0000004f <1>[ 110.616928] CM = 0, WnR = 1 <1>[ 110.620171] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081db0000 <1>[ 110.627177] [ffff800011ac40c0] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=00000009ffffc003, pte=0060000081cc4783 <0>[ 110.640071] Internal error: Oops: 000000009600004f [#14] PREEMPT SMP <4>[ 110.646703] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables tda998x cec drm_kms_helper crct10dif_ce drm smsc <4>[ 110.658460] CPU: 1 PID: 2103 Comm: cat Tainted: G D W 5.10.226-cip52 #1 <4>[ 110.666486] Hardware name: ARM Juno development board (r0) (DT) <4>[ 110.672687] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 110.678981] pc : lkdtm_WRITE_RO_AFTER_INIT+0x68/0x80 <4>[ 110.684223] lr : lkdtm_WRITE_RO_AFTER_INIT+0x50/0x80 <4>[ 110.689461] sp : ffff800015eebcf0 <4>[ 110.693045] x29: ffff800015eebcf0 x28: ffff0008089e4980 <4>[ 110.698644] x27: 0000000000000000 x26: 0000000000000000 <4>[ 110.704237] x25: ffff8000114db478 x24: ffff800015eebe20 <4>[ 110.709829] x23: 0000000000000014 x22: ffff000803b53000 <4>[ 110.715421] x21: ffff8000119f12b0 x20: 0000000000000029 <4>[ 110.721013] x19: ffff800011ac4000 x18: 0000000000000006 <4>[ 110.726605] x17: 0000000000000100 x16: 0000000000000000 <4>[ 110.732197] x15: ffff800015eeb840 x14: ffff800095eeb9fa <4>[ 110.737788] x13: ffff800015eeba02 x12: 0000000000000020 <4>[ 110.743380] x11: 0000000000000018 x10: 0000000000001440 <4>[ 110.748972] x9 : ffff80001012b978 x8 : ffff0008089e5e20 <4>[ 110.754564] x7 : 0000000000000005 x6 : ffff800012575000 <4>[ 110.760156] x5 : ffff800012575c88 x4 : ffff00097efb2c68 <4>[ 110.765748] x3 : 0000000000000000 x2 : 00000000abcd1234 <4>[ 110.771340] x1 : 00000000fe67479e x0 : ffff8000119f21f0 <4>[ 110.776933] Call trace: <4>[ 110.779648] lkdtm_WRITE_RO_AFTER_INIT+0x68/0x80 <4>[ 110.784539] lkdtm_do_action+0x24/0x40 <4>[ 110.788558] direct_entry+0xc8/0x130 <4>[ 110.792404] full_proxy_write+0x68/0xbc <4>[ 110.796510] vfs_write+0xec/0x22c <4>[ 110.800093] ksys_write+0x78/0x110 <4>[ 110.803763] __arm64_sys_write+0x24/0x30 <4>[ 110.807958] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 110.813021] do_el0_svc+0x2c/0xa4 <4>[ 110.816605] el0_svc+0x20/0x30 <4>[ 110.819928] el0_sync_handler+0xe8/0x114 <4>[ 110.824119] el0_sync+0x180/0x1c0 <0>[ 110.827706] Code: f2b579a2 f0003e40 ca020021 9107c000 (f9006261) <4>[ 110.834076] ---[ end trace 61925da2c52a7bec ]--- # Segmentation fault # [ 110.567658] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT # [ 110.573927] lkdtm: attempting bad ro_after_init write at ffff800011ac40c0 # [ 110.581140] Unable to handle kernel write to read-only memory at virtual address ffff800011ac40c0 # [ 110.590389] Mem abort info: # [ 110.593838] ESR = 0x9600004f # [ 110.597217] EC = 0x25: DABT (current EL), IL = 32 bits # [ 110.602837] SET = 0, FnV = 0 # [ 110.606187] EA = 0, S1PTW = 0 # [ 110.609621] Data abort info: # [ 110.612798] ISV = 0, ISS = 0x0000004f # [ 110.616928] CM = 0, WnR = 1 # [ 110.620171] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081db0000 # [ 110.627177] [ffff800011ac40c0] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=00000009ffffc003, pte=0060000081cc4783 # [ 110.640071] Internal error: Oops: 000000009600004f [#14] PREEMPT SMP # [ 110.646703] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables tda998x cec drm_kms_helper crct10dif_ce drm smsc # [ 110.658460] CPU: 1 PID: 2103 Comm: cat Tainted: G D W 5.10.226-cip52 #1 # [ 110.666486] Hardware name: ARM Juno development board (r0) (DT) # [ 110.672687] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 110.678981] pc : lkdtm_WRITE_RO_AFTER_INIT+0x68/0x80 # [ 110.684223] lr : lkdtm_WRITE_RO_AFTER_INIT+0x50/0x80 # [ 110.689461] sp : ffff800015eebcf0 # [ 110.693045] x29: ffff800015eebcf0 x28: ffff0008089e4980 # [ 110.698644] x27: 0000000000000000 x26: 0000000000000000 # [ 110.704237] x25: ffff8000114db478 x24: ffff800015eebe20 # [ 110.709829] x23: 0000000000000014 x22: ffff000803b53000 # [ 110.715421] x21: ffff8000119f12b0 x20: 0000000000000029 # [ 110.721013] x19: ffff800011ac4000 x18: 0000000000000006 # [ 110.726605] x17: 0000000000000100 x16: 0000000000000000 # [ 110.732197] x15: ffff800015eeb840 x14: ffff800095eeb9fa # [ 110.737788] x13: ffff800015eeba02 x12: 0000000000000020 # [ 110.743380] x11: 0000000000000018 x10: 0000000000001440 # [ 110.748972] x9 : ffff80001012b978 x8 : ffff0008089e5e20 # [ 110.754564] x7 : 0000000000000005 x6 : ffff800012575000 # [ 110.760156] x5 : ffff800012575c88 x4 : ffff00097efb2c68 # [ 110.765748] x3 : 0000000000000000 x2 : 00000000abcd1234 # [ 110.771340] x1 : 00000000fe67479e x0 : ffff8000119f21f0 # [ 110.776933] Call trace: # [ 110.779648] lkdtm_WRITE_RO_AFTER_INIT+0x68/0x80 # [ 110.784539] lkdtm_do_action+0x24/0x40 # [ 110.788558] direct_entry+0xc8/0x130 # [ 110.792404] full_proxy_write+0x68/0xbc # [ 110.796510] vfs_write+0xec/0x22c # [ 110.800093] ksys_write+0x78/0x110 # [ 110.803763] __arm64_sys_write+0x24/0x30 # [ 110.807958] el0_svc_common.constprop.0+0x84/0x1e0 # [ 110.813021] do_el0_svc+0x2c/0xa4 # [ 110.816605] el0_svc+0x20/0x30 # [ 110.819928] el0_sync_handler+0xe8/0x114 # [ 110.824119] el0_sync+0x180/0x1c0 # [ 110.827706] Code: f2b579a2 f0003e40 ca020021 9107c000 (f9006261) # [ 110.834076] ---[ end trace 61925da2c52a7bec ]--- # WRITE_RO_AFTER_INIT: saw 'call trace:': ok ok 40 selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # selftests: lkdtm: WRITE_KERN.sh <6>[ 111.275911] lkdtm: Performing direct entry WRITE_KERN <6>[ 111.281321] lkdtm: attempting bad 8503952 byte write at ffff800011227620 <1>[ 111.288402] Unable to handle kernel write to read-only memory at virtual address ffff800011227620 <1>[ 111.299136] Mem abort info: <1>[ 111.302362] ESR = 0x9600004f <1>[ 111.305745] EC = 0x25: DABT (current EL), IL = 32 bits <1>[ 111.311355] SET = 0, FnV = 0 <1>[ 111.314701] EA = 0, S1PTW = 0 <1>[ 111.318129] Data abort info: <1>[ 111.321300] ISV = 0, ISS = 0x0000004f <1>[ 111.325425] CM = 0, WnR = 1 <1>[ 111.328683] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081db0000 <1>[ 111.335687] [ffff800011227620] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=00000009ffffd003, pte=0050000081427783 <0>[ 111.348569] Internal error: Oops: 000000009600004f [#15] PREEMPT SMP <4>[ 111.355200] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables tda998x cec drm_kms_helper crct10dif_ce drm smsc <4>[ 111.366958] CPU: 2 PID: 2149 Comm: cat Tainted: G D W 5.10.226-cip52 #1 <4>[ 111.374985] Hardware name: ARM Juno development board (r0) (DT) <4>[ 111.381187] pstate: 20000005 (nzCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 111.387480] pc : __memcpy+0x110/0x180 <4>[ 111.391416] lr : lkdtm_WRITE_KERN+0x54/0x88 <4>[ 111.395870] sp : ffff800015fabce0 <4>[ 111.399451] x29: ffff800015fabce0 x28: ffff0008073e0000 <4>[ 111.405046] x27: 0000000000000000 x26: 0000000000000000 <4>[ 111.410638] x25: ffff8000114db478 x24: ffff800015fabe20 <4>[ 111.416230] x23: 000000000000000b x22: ffff000806728000 <4>[ 111.421822] x21: 000000000081c290 x20: ffff800010a0b390 <4>[ 111.427414] x19: ffff800011227620 x18: 0000000000000006 <4>[ 111.433005] x17: 0000000000000100 x16: 0000000000000000 <4>[ 111.438597] x15: ffff800015fab830 x14: 97e4e5caf9000bf3 <4>[ 111.444189] x13: f9454c00910003fd x12: 52819801d2800802 <4>[ 111.449780] x11: a9be7bfdd00085a0 x10: d503233fd503201f <4>[ 111.455372] x9 : aa1e03e9d65f03c0 x8 : d50323bfd503233f <4>[ 111.460964] x7 : d503201faa1e03e9 x6 : ffff800011227620 <4>[ 111.466556] x5 : ffff800012575c88 x4 : 0000000000000000 <4>[ 111.472147] x3 : 0000000000000000 x2 : 000000000081c210 <4>[ 111.477739] x1 : ffff800010a0b3d0 x0 : ffff800011227620 <4>[ 111.483331] Call trace: <4>[ 111.486047] __memcpy+0x110/0x180 <4>[ 111.489634] lkdtm_do_action+0x24/0x40 <4>[ 111.493653] direct_entry+0xc8/0x130 <4>[ 111.497498] full_proxy_write+0x68/0xbc <4>[ 111.501604] vfs_write+0xec/0x22c <4>[ 111.505186] ksys_write+0x78/0x110 <4>[ 111.508856] __arm64_sys_write+0x24/0x30 <4>[ 111.513050] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 111.518113] do_el0_svc+0x2c/0xa4 <4>[ 111.521696] el0_svc+0x20/0x30 <4>[ 111.525019] el0_sync_handler+0xe8/0x114 <4>[ 111.529211] el0_sync+0x180/0x1c0 <0>[ 111.532797] Code: a8c12027 a8c12829 a8c1302b a8c1382d (a88120c7) <4>[ 111.539167] ---[ end trace 61925da2c52a7bed ]--- # Segmentation fault # [ 111.275911] lkdtm: Performing direct entry WRITE_KERN # [ 111.281321] lkdtm: attempting bad 8503952 byte write at ffff800011227620 # [ 111.288402] Unable to handle kernel write to read-only memory at virtual address ffff800011227620 # [ 111.299136] Mem abort info: # [ 111.302362] ESR = 0x9600004f # [ 111.305745] EC = 0x25: DABT (current EL), IL = 32 bits # [ 111.311355] SET = 0, FnV = 0 # [ 111.314701] EA = 0, S1PTW = 0 # [ 111.318129] Data abort info: # [ 111.321300] ISV = 0, ISS = 0x0000004f # [ 111.325425] CM = 0, WnR = 1 # [ 111.328683] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081db0000 # [ 111.335687] [ffff800011227620] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=00000009ffffd003, pte=0050000081427783 # [ 111.348569] Internal error: Oops: 000000009600004f [#15] PREEMPT SMP # [ 111.355200] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables tda998x cec drm_kms_helper crct10dif_ce drm smsc # [ 111.366958] CPU: 2 PID: 2149 Comm: cat Tainted: G D W 5.10.226-cip52 #1 # [ 111.374985] Hardware name: ARM Juno development board (r0) (DT) # [ 111.381187] pstate: 20000005 (nzCv daif -PAN -UAO -TCO BTYPE=--) # [ 111.387480] pc : __memcpy+0x110/0x180 # [ 111.391416] lr : lkdtm_WRITE_KERN+0x54/0x88 # [ 111.395870] sp : ffff800015fabce0 # [ 111.399451] x29: ffff800015fabce0 x28: ffff0008073e0000 # [ 111.405046] x27: 0000000000000000 x26: 0000000000000000 # [ 111.410638] x25: ffff8000114db478 x24: ffff800015fabe20 # [ 111.416230] x23: 000000000000000b x22: ffff000806728000 # [ 111.421822] x21: 000000000081c290 x20: ffff800010a0b390 # [ 111.427414] x19: ffff800011227620 x18: 0000000000000006 # [ 111.433005] x17: 0000000000000100 x16: 0000000000000000 # [ 111.438597] x15: ffff800015fab830 x14: 97e4e5caf9000bf3 # [ 111.444189] x13: f9454c00910003fd x12: 52819801d2800802 # [ 111.449780] x11: a9be7bfdd00085a0 x10: d503233fd503201f # [ 111.455372] x9 : aa1e03e9d65f03c0 x8 : d50323bfd503233f # [ 111.460964] x7 : d503201faa1e03e9 x6 : ffff800011227620 # [ 111.466556] x5 : ffff800012575c88 x4 : 0000000000000000 # [ 111.472147] x3 : 0000000000000000 x2 : 000000000081c210 # [ 111.477739] x1 : ffff800010a0b3d0 x0 : ffff800011227620 # [ 111.483331] Call trace: # [ 111.486047] __memcpy+0x110/0x180 # [ 111.489634] lkdtm_do_action+0x24/0x40 # [ 111.493653] direct_entry+0xc8/0x130 # [ 111.497498] full_proxy_write+0x68/0xbc # [ 111.501604] vfs_write+0xec/0x22c # [ 111.505186] ksys_write+0x78/0x110 # [ 111.508856] __arm64_sys_write+0x24/0x30 # [ 111.513050] el0_svc_common.constprop.0+0x84/0x1e0 # [ 111.518113] do_el0_svc+0x2c/0xa4 # [ 111.521696] el0_svc+0x20/0x30 # [ 111.525019] el0_sync_handler+0xe8/0x114 # [ 111.529211] el0_sync+0x180/0x1c0 # [ 111.532797] Code: a8c12027 a8c12829 a8c1302b a8c1382d (a88120c7) # [ 111.539167] ---[ end trace 61925da2c52a7bed ]--- # WRITE_KERN: saw 'call trace:': ok ok 41 selftests: lkdtm: WRITE_KERN.sh # selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh <6>[ 112.019399] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW <6>[ 112.025762] lkdtm: attempting good refcount_inc() without overflow <6>[ 112.032290] lkdtm: attempting bad refcount_inc() overflow <4>[ 112.038020] ------------[ cut here ]------------ <4>[ 112.043035] refcount_t: saturated; leaking memory. <4>[ 112.048256] WARNING: CPU: 3 PID: 2195 at lib/refcount.c:22 refcount_warn_saturate+0x74/0x144 <4>[ 112.056978] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables tda998x cec drm_kms_helper crct10dif_ce drm smsc <4>[ 112.068762] CPU: 3 PID: 2195 Comm: cat Tainted: G D W 5.10.226-cip52 #1 <4>[ 112.076786] Hardware name: ARM Juno development board (r0) (DT) <4>[ 112.082986] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 112.089275] pc : refcount_warn_saturate+0x74/0x144 <4>[ 112.094343] lr : refcount_warn_saturate+0x74/0x144 <4>[ 112.099407] sp : ffff800016053cd0 <4>[ 112.102992] x29: ffff800016053cd0 x28: ffff0008089e6200 <4>[ 112.108593] x27: 0000000000000000 x26: 0000000000000000 <4>[ 112.114194] x25: ffff8000114db478 x24: ffff800016053e20 <4>[ 112.119795] x23: 0000000000000016 x22: ffff000808912000 <4>[ 112.125395] x21: ffff8000119f12d8 x20: 000000000000002b <4>[ 112.130996] x19: ffff8000114db738 x18: 0000000000000006 <4>[ 112.136597] x17: 0000000000000100 x16: 0000000000000000 <4>[ 112.142197] x15: ffff8000160537e0 x14: ffff80009605399a <4>[ 112.147798] x13: ffff8000160539a3 x12: 0000000000000030 <4>[ 112.153399] x11: 0000000000000028 x10: ffff8000125fc128 <4>[ 112.158999] x9 : ffff80001012b978 x8 : 00000000ffffefff <4>[ 112.164600] x7 : ffff8000125fc128 x6 : ffff800012575000 <4>[ 112.170201] x5 : ffff800012575c88 x4 : ffff00097ef6ec68 <4>[ 112.175801] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 112.181401] x1 : 0000000000000000 x0 : ffff0008089e6200 <4>[ 112.187002] Call trace: <4>[ 112.189722] refcount_warn_saturate+0x74/0x144 <4>[ 112.194446] __refcount_add.constprop.0+0x74/0x80 <4>[ 112.199431] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0xa0 <4>[ 112.204500] lkdtm_do_action+0x24/0x40 <4>[ 112.208525] direct_entry+0xc8/0x130 <4>[ 112.212376] full_proxy_write+0x68/0xbc <4>[ 112.216488] vfs_write+0xec/0x22c <4>[ 112.220076] ksys_write+0x78/0x110 <4>[ 112.223751] __arm64_sys_write+0x24/0x30 <4>[ 112.227952] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 112.233020] do_el0_svc+0x2c/0xa4 <4>[ 112.236609] el0_svc+0x20/0x30 <4>[ 112.239938] el0_sync_handler+0xe8/0x114 <4>[ 112.244135] el0_sync+0x180/0x1c0 <4>[ 112.247721] irq event stamp: 0 <4>[ 112.251051] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 112.257603] hardirqs last disabled at (0): [] copy_process+0x5f4/0x1df4 <4>[ 112.266067] softirqs last enabled at (0): [] copy_process+0x5f4/0x1df4 <4>[ 112.274529] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 112.281073] ---[ end trace 61925da2c52a7bee ]--- <6>[ 112.286255] lkdtm: Overflow detected: saturated # [ 112.019399] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW # [ 112.025762] lkdtm: attempting good refcount_inc() without overflow # [ 112.032290] lkdtm: attempting bad refcount_inc() overflow # [ 112.038020] ------------[ cut here ]------------ # [ 112.043035] refcount_t: saturated; leaking memory. # [ 112.048256] WARNING: CPU: 3 PID: 2195 at lib/refcount.c:22 refcount_warn_saturate+0x74/0x144 # [ 112.056978] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables tda998x cec drm_kms_helper crct10dif_ce drm smsc # [ 112.068762] CPU: 3 PID: 2195 Comm: cat Tainted: G D W 5.10.226-cip52 #1 # [ 112.076786] Hardware name: ARM Juno development board (r0) (DT) # [ 112.082986] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 112.089275] pc : refcount_warn_saturate+0x74/0x144 # [ 112.094343] lr : refcount_warn_saturate+0x74/0x144 # [ 112.099407] sp : ffff800016053cd0 # [ 112.102992] x29: ffff800016053cd0 x28: ffff0008089e6200 # [ 112.108593] x27: 0000000000000000 x26: 0000000000000000 # [ 112.114194] x25: ffff8000114db478 x24: ffff800016053e20 # [ 112.119795] x23: 0000000000000016 x22: ffff000808912000 # [ 112.125395] x21: ffff8000119f12d8 x20: 000000000000002b # [ 112.130996] x19: ffff8000114db738 x18: 0000000000000006 # [ 112.136597] x17: 0000000000000100 x16: 0000000000000000 # [ 112.142197] x15: ffff8000160537e0 x14: ffff80009605399a # [ 112.147798] x13: ffff8000160539a3 x12: 0000000000000030 # [ 112.153399] x11: 0000000000000028 x10: ffff8000125fc128 # [ 112.158999] x9 : ffff80001012b978 x8 : 00000000ffffefff # [ 112.164600] x7 : ffff8000125fc128 x6 : ffff800012575000 # [ 112.170201] x5 : ffff800012575c88 x4 : ffff00097ef6ec68 # [ 112.175801] x3 : 0000000000000000 x2 : 0000000000000000 # [ 112.181401] x1 : 0000000000000000 x0 : ffff0008089e6200 # [ 112.187002] Call trace: # [ 112.189722] refcount_warn_saturate+0x74/0x144 # [ 112.194446] __refcount_add.constprop.0+0x74/0x80 # [ 112.199431] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0xa0 # [ 112.204500] lkdtm_do_action+0x24/0x40 # [ 112.208525] direct_entry+0xc8/0x130 # [ 112.212376] full_proxy_write+0x68/0xbc # [ 112.216488] vfs_write+0xec/0x22c # [ 112.220076] ksys_write+0x78/0x110 # [ 112.223751] __arm64_sys_write+0x24/0x30 # [ 112.227952] el0_svc_common.constprop.0+0x84/0x1e0 # [ 112.233020] do_el0_svc+0x2c/0xa4 # [ 112.236609] el0_svc+0x20/0x30 # [ 112.239938] el0_sync_handler+0xe8/0x114 # [ 112.244135] el0_sync+0x180/0x1c0 # [ 112.247721] irq event stamp: 0 # [ 112.251051] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 112.257603] hardirqs last disabled at (0): [] copy_process+0x5f4/0x1df4 # [ 112.266067] softirqs last enabled at (0): [] copy_process+0x5f4/0x1df4 # [ 112.274529] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 112.281073] ---[ end trace 61925da2c52a7bee ]--- # [ 112.286255] 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>[ 112.752982] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW <6>[ 112.759411] lkdtm: attempting good refcount_add() without overflow <6>[ 112.765997] lkdtm: attempting bad refcount_add() overflow <4>[ 112.771749] ------------[ cut here ]------------ <4>[ 112.776867] refcount_t: saturated; leaking memory. <4>[ 112.782060] WARNING: CPU: 4 PID: 2228 at lib/refcount.c:22 refcount_warn_saturate+0x74/0x144 <4>[ 112.790781] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables tda998x cec drm_kms_helper crct10dif_ce drm smsc <4>[ 112.802565] CPU: 4 PID: 2228 Comm: cat Tainted: G D W 5.10.226-cip52 #1 <4>[ 112.810589] Hardware name: ARM Juno development board (r0) (DT) <4>[ 112.816789] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 112.823077] pc : refcount_warn_saturate+0x74/0x144 <4>[ 112.828145] lr : refcount_warn_saturate+0x74/0x144 <4>[ 112.833210] sp : ffff8000160f3cd0 <4>[ 112.836796] x29: ffff8000160f3cd0 x28: ffff000800bbc980 <4>[ 112.842397] x27: 0000000000000000 x26: 0000000000000000 <4>[ 112.847998] x25: ffff8000114db478 x24: ffff8000160f3e20 <4>[ 112.853598] x23: 0000000000000016 x22: ffff000807281000 <4>[ 112.859199] x21: ffff8000119f12f0 x20: 000000000000002c <4>[ 112.864800] x19: ffff8000114db748 x18: 0000000000000006 <4>[ 112.870400] x17: 0000000000000100 x16: 0000000000000000 <4>[ 112.876001] x15: ffff8000160f37e0 x14: ffff8000960f399a <4>[ 112.881602] x13: ffff8000160f39a2 x12: 00048ef664af4868 <4>[ 112.887202] x11: 00000000fa83b2da x10: ffff8000125fc128 <4>[ 112.892803] x9 : ffff80001012b978 x8 : 00000000ffffefff <4>[ 112.898404] x7 : ffff8000125fc128 x6 : ffff800012575000 <4>[ 112.904004] x5 : ffff800012575c88 x4 : ffff00097ef90c68 <4>[ 112.909604] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 112.915204] x1 : 0000000000000000 x0 : ffff000800bbc980 <4>[ 112.920805] Call trace: <4>[ 112.923525] refcount_warn_saturate+0x74/0x144 <4>[ 112.928249] __refcount_add.constprop.0+0x74/0x80 <4>[ 112.933234] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7c/0xac <4>[ 112.938303] lkdtm_do_action+0x24/0x40 <4>[ 112.942327] direct_entry+0xc8/0x130 <4>[ 112.946178] full_proxy_write+0x68/0xbc <4>[ 112.950291] vfs_write+0xec/0x22c <4>[ 112.953879] ksys_write+0x78/0x110 <4>[ 112.957554] __arm64_sys_write+0x24/0x30 <4>[ 112.961755] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 112.966824] do_el0_svc+0x2c/0xa4 <4>[ 112.970414] el0_svc+0x20/0x30 <4>[ 112.973743] el0_sync_handler+0xe8/0x114 <4>[ 112.977940] el0_sync+0x180/0x1c0 <4>[ 112.981526] irq event stamp: 0 <4>[ 112.984856] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 112.991408] hardirqs last disabled at (0): [] copy_process+0x5f4/0x1df4 <4>[ 112.999872] softirqs last enabled at (0): [] copy_process+0x5f4/0x1df4 <4>[ 113.008334] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 113.014878] ---[ end trace 61925da2c52a7bef ]--- <6>[ 113.020109] lkdtm: Overflow detected: saturated # [ 112.752982] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW # [ 112.759411] lkdtm: attempting good refcount_add() without overflow # [ 112.765997] lkdtm: attempting bad refcount_add() overflow # [ 112.771749] ------------[ cut here ]------------ # [ 112.776867] refcount_t: saturated; leaking memory. # [ 112.782060] WARNING: CPU: 4 PID: 2228 at lib/refcount.c:22 refcount_warn_saturate+0x74/0x144 # [ 112.790781] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables tda998x cec drm_kms_helper crct10dif_ce drm smsc # [ 112.802565] CPU: 4 PID: 2228 Comm: cat Tainted: G D W 5.10.226-cip52 #1 # [ 112.810589] Hardware name: ARM Juno development board (r0) (DT) # [ 112.816789] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 112.823077] pc : refcount_warn_saturate+0x74/0x144 # [ 112.828145] lr : refcount_warn_saturate+0x74/0x144 # [ 112.833210] sp : ffff8000160f3cd0 # [ 112.836796] x29: ffff8000160f3cd0 x28: ffff000800bbc980 # [ 112.842397] x27: 0000000000000000 x26: 0000000000000000 # [ 112.847998] x25: ffff8000114db478 x24: ffff8000160f3e20 # [ 112.853598] x23: 0000000000000016 x22: ffff000807281000 # [ 112.859199] x21: ffff8000119f12f0 x20: 000000000000002c # [ 112.864800] x19: ffff8000114db748 x18: 0000000000000006 # [ 112.870400] x17: 0000000000000100 x16: 0000000000000000 # [ 112.876001] x15: ffff8000160f37e0 x14: ffff8000960f399a # [ 112.881602] x13: ffff8000160f39a2 x12: 00048ef664af4868 # [ 112.887202] x11: 00000000fa83b2da x10: ffff8000125fc128 # [ 112.892803] x9 : ffff80001012b978 x8 : 00000000ffffefff # [ 112.898404] x7 : ffff8000125fc128 x6 : ffff800012575000 # [ 112.904004] x5 : ffff800012575c88 x4 : ffff00097ef90c68 # [ 112.909604] x3 : 0000000000000000 x2 : 0000000000000000 # [ 112.915204] x1 : 0000000000000000 x0 : ffff000800bbc980 # [ 112.920805] Call trace: # [ 112.923525] refcount_warn_saturate+0x74/0x144 # [ 112.928249] __refcount_add.constprop.0+0x74/0x80 # [ 112.933234] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7c/0xac # [ 112.938303] lkdtm_do_action+0x24/0x40 # [ 112.942327] direct_entry+0xc8/0x130 # [ 112.946178] full_proxy_write+0x68/0xbc # [ 112.950291] vfs_write+0xec/0x22c # [ 112.953879] ksys_write+0x78/0x110 # [ 112.957554] __arm64_sys_write+0x24/0x30 # [ 112.961755] el0_svc_common.constprop.0+0x84/0x1e0 # [ 112.966824] do_el0_svc+0x2c/0xa4 # [ 112.970414] el0_svc+0x20/0x30 # [ 112.973743] el0_sync_handler+0xe8/0x114 # [ 112.977940] el0_sync+0x180/0x1c0 # [ 112.981526] irq event stamp: 0 # [ 112.984856] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 112.991408] hardirqs last disabled at (0): [] copy_process+0x5f4/0x1df4 # [ 112.999872] softirqs last enabled at (0): [] copy_process+0x5f4/0x1df4 # [ 113.008334] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 113.014878] ---[ end trace 61925da2c52a7bef ]--- # [ 113.020109] 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>[ 113.479876] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW <6>[ 113.487044] lkdtm: attempting bad refcount_inc_not_zero() overflow <4>[ 113.493576] ------------[ cut here ]------------ <4>[ 113.498521] refcount_t: saturated; leaking memory. <4>[ 113.503780] WARNING: CPU: 3 PID: 2261 at lib/refcount.c:19 refcount_warn_saturate+0x9c/0x144 <4>[ 113.512503] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables tda998x cec drm_kms_helper crct10dif_ce drm smsc <4>[ 113.524287] CPU: 3 PID: 2261 Comm: cat Tainted: G D W 5.10.226-cip52 #1 <4>[ 113.532311] Hardware name: ARM Juno development board (r0) (DT) <4>[ 113.538512] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 113.544799] pc : refcount_warn_saturate+0x9c/0x144 <4>[ 113.549867] lr : refcount_warn_saturate+0x9c/0x144 <4>[ 113.554931] sp : ffff800016193cb0 <4>[ 113.558517] x29: ffff800016193cb0 x28: ffff000802853100 <4>[ 113.564119] x27: 0000000000000000 x26: 0000000000000000 <4>[ 113.569719] x25: ffff8000114db478 x24: ffff800016193e20 <4>[ 113.575320] x23: 000000000000001f x22: 00000000ffffffff <4>[ 113.580921] x21: 000000007fffffff x20: 000000007fffffff <4>[ 113.586521] x19: ffff800016193d04 x18: 0000000000000006 <4>[ 113.592122] x17: 0000000000000100 x16: 0000000000000000 <4>[ 113.597722] x15: ffff8000161937c0 x14: ffff80009619397a <4>[ 113.603323] x13: ffff800016193982 x12: 0000000000000038 <4>[ 113.608924] x11: 0000000000000030 x10: 0000000000001440 <4>[ 113.614525] x9 : ffff80001012b978 x8 : ffff0008028545a0 <4>[ 113.620125] x7 : ffff000806c01800 x6 : ffff800012575000 <4>[ 113.625726] x5 : ffff800012575c88 x4 : ffff00097ef6ec68 <4>[ 113.631326] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 113.636926] x1 : 0000000000000000 x0 : ffff000802853100 <4>[ 113.642527] Call trace: <4>[ 113.645247] refcount_warn_saturate+0x9c/0x144 <4>[ 113.649970] __refcount_add_not_zero.constprop.0+0xa0/0xc0 <4>[ 113.655737] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x44/0x88 <4>[ 113.661591] lkdtm_do_action+0x24/0x40 <4>[ 113.665615] direct_entry+0xc8/0x130 <4>[ 113.669466] full_proxy_write+0x68/0xbc <4>[ 113.673578] vfs_write+0xec/0x22c <4>[ 113.677166] ksys_write+0x78/0x110 <4>[ 113.680842] __arm64_sys_write+0x24/0x30 <4>[ 113.685042] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 113.690111] do_el0_svc+0x2c/0xa4 <4>[ 113.693700] el0_svc+0x20/0x30 <4>[ 113.697029] el0_sync_handler+0xe8/0x114 <4>[ 113.701227] el0_sync+0x180/0x1c0 <4>[ 113.704813] irq event stamp: 0 <4>[ 113.708143] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 113.714695] hardirqs last disabled at (0): [] copy_process+0x5f4/0x1df4 <4>[ 113.723159] softirqs last enabled at (0): [] copy_process+0x5f4/0x1df4 <4>[ 113.731621] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 113.738165] ---[ end trace 61925da2c52a7bf0 ]--- <6>[ 113.743266] lkdtm: Overflow detected: saturated # [ 113.479876] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 113.487044] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 113.493576] ------------[ cut here ]------------ # [ 113.498521] refcount_t: saturated; leaking memory. # [ 113.503780] WARNING: CPU: 3 PID: 2261 at lib/refcount.c:19 refcount_warn_saturate+0x9c/0x144 # [ 113.512503] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables tda998x cec drm_kms_helper crct10dif_ce drm smsc # [ 113.524287] CPU: 3 PID: 2261 Comm: cat Tainted: G D W 5.10.226-cip52 #1 # [ 113.532311] Hardware name: ARM Juno development board (r0) (DT) # [ 113.538512] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 113.544799] pc : refcount_warn_saturate+0x9c/0x144 # [ 113.549867] lr : refcount_warn_saturate+0x9c/0x144 # [ 113.554931] sp : ffff800016193cb0 # [ 113.558517] x29: ffff800016193cb0 x28: ffff000802853100 # [ 113.564119] x27: 0000000000000000 x26: 0000000000000000 # [ 113.569719] x25: ffff8000114db478 x24: ffff800016193e20 # [ 113.575320] x23: 000000000000001f x22: 00000000ffffffff # [ 113.580921] x21: 000000007fffffff x20: 000000007fffffff # [ 113.586521] x19: ffff800016193d04 x18: 0000000000000006 # [ 113.592122] x17: 0000000000000100 x16: 0000000000000000 # [ 113.597722] x15: ffff8000161937c0 x14: ffff80009619397a # [ 113.603323] x13: ffff800016193982 x12: 0000000000000038 # [ 113.608924] x11: 0000000000000030 x10: 0000000000001440 # [ 113.614525] x9 : ffff80001012b978 x8 : ffff0008028545a0 # [ 113.620125] x7 : ffff000806c01800 x6 : ffff800012575000 # [ 113.625726] x5 : ffff800012575c88 x4 : ffff00097ef6ec68 # [ 113.631326] x3 : 0000000000000000 x2 : 0000000000000000 # [ 113.636926] x1 : 0000000000000000 x0 : ffff000802853100 # [ 113.642527] Call trace: # [ 113.645247] refcount_warn_saturate+0x9c/0x144 # [ 113.649970] __refcount_add_not_zero.constprop.0+0xa0/0xc0 # [ 113.655737] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x44/0x88 # [ 113.661591] lkdtm_do_action+0x24/0x40 # [ 113.665615] direct_entry+0xc8/0x130 # [ 113.669466] full_proxy_write+0x68/0xbc # [ 113.673578] vfs_write+0xec/0x22c # [ 113.677166] ksys_write+0x78/0x110 # [ 113.680842] __arm64_sys_write+0x24/0x30 # [ 113.685042] el0_svc_common.constprop.0+0x84/0x1e0 # [ 113.690111] do_el0_svc+0x2c/0xa4 # [ 113.693700] el0_svc+0x20/0x30 # [ 113.697029] el0_sync_handler+0xe8/0x114 # [ 113.701227] el0_sync+0x180/0x1c0 # [ 113.704813] irq event stamp: 0 # [ 113.708143] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 113.714695] hardirqs last disabled at (0): [] copy_process+0x5f4/0x1df4 # [ 113.723159] softirqs last enabled at (0): [] copy_process+0x5f4/0x1df4 # [ 113.731621] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 113.738165] ---[ end trace 61925da2c52a7bf0 ]--- # [ 113.743266] 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>[ 114.211145] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW <6>[ 114.218313] lkdtm: attempting bad refcount_add_not_zero() overflow <4>[ 114.224849] ------------[ cut here ]------------ <4>[ 114.229795] refcount_t: saturated; leaking memory. <4>[ 114.235055] WARNING: CPU: 4 PID: 2294 at lib/refcount.c:19 refcount_warn_saturate+0x9c/0x144 <4>[ 114.243777] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables tda998x cec drm_kms_helper crct10dif_ce drm smsc <4>[ 114.255560] CPU: 4 PID: 2294 Comm: cat Tainted: G D W 5.10.226-cip52 #1 <4>[ 114.263584] Hardware name: ARM Juno development board (r0) (DT) <4>[ 114.269784] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 114.276072] pc : refcount_warn_saturate+0x9c/0x144 <4>[ 114.281140] lr : refcount_warn_saturate+0x9c/0x144 <4>[ 114.286204] sp : ffff80001621bcb0 <4>[ 114.289790] x29: ffff80001621bcb0 x28: ffff000805ab9880 <4>[ 114.295392] x27: 0000000000000000 x26: 0000000000000000 <4>[ 114.300992] x25: ffff8000114db478 x24: ffff80001621be20 <4>[ 114.306593] x23: 000000000000001f x22: 00000000ffffffff <4>[ 114.312194] x21: 000000007fffffff x20: 000000007fffffff <4>[ 114.317794] x19: ffff80001621bd04 x18: 0000000000000006 <4>[ 114.323395] x17: 0000000000000100 x16: 0000000000000000 <4>[ 114.328995] x15: ffff80001621b7c0 x14: ffff80009621b97a <4>[ 114.334596] x13: ffff80001621b982 x12: 0000000000000038 <4>[ 114.340196] x11: 0000000000000030 x10: 0000000000001440 <4>[ 114.345796] x9 : ffff80001012b978 x8 : ffff000805abad20 <4>[ 114.351397] x7 : ffff000806c01600 x6 : ffff800012575000 <4>[ 114.356997] x5 : ffff800012575c88 x4 : ffff00097ef90c68 <4>[ 114.362598] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 114.368198] x1 : 0000000000000000 x0 : ffff000805ab9880 <4>[ 114.373798] Call trace: <4>[ 114.376518] refcount_warn_saturate+0x9c/0x144 <4>[ 114.381243] __refcount_add_not_zero.constprop.0+0xa0/0xc0 <4>[ 114.387009] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x44/0x88 <4>[ 114.392863] lkdtm_do_action+0x24/0x40 <4>[ 114.396888] direct_entry+0xc8/0x130 <4>[ 114.400739] full_proxy_write+0x68/0xbc <4>[ 114.404851] vfs_write+0xec/0x22c <4>[ 114.408440] ksys_write+0x78/0x110 <4>[ 114.412115] __arm64_sys_write+0x24/0x30 <4>[ 114.416316] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 114.421385] do_el0_svc+0x2c/0xa4 <4>[ 114.424974] el0_svc+0x20/0x30 <4>[ 114.428303] el0_sync_handler+0xe8/0x114 <4>[ 114.432500] el0_sync+0x180/0x1c0 <4>[ 114.436086] irq event stamp: 0 <4>[ 114.439416] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 114.445967] hardirqs last disabled at (0): [] copy_process+0x5f4/0x1df4 <4>[ 114.454432] softirqs last enabled at (0): [] copy_process+0x5f4/0x1df4 <4>[ 114.462893] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 114.469438] ---[ end trace 61925da2c52a7bf1 ]--- <6>[ 114.474526] lkdtm: Overflow detected: saturated # [ 114.211145] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 114.218313] lkdtm: attempting bad refcount_add_not_zero() overflow # [ 114.224849] ------------[ cut here ]------------ # [ 114.229795] refcount_t: saturated; leaking memory. # [ 114.235055] WARNING: CPU: 4 PID: 2294 at lib/refcount.c:19 refcount_warn_saturate+0x9c/0x144 # [ 114.243777] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables tda998x cec drm_kms_helper crct10dif_ce drm smsc # [ 114.255560] CPU: 4 PID: 2294 Comm: cat Tainted: G D W 5.10.226-cip52 #1 # [ 114.263584] Hardware name: ARM Juno development board (r0) (DT) # [ 114.269784] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 114.276072] pc : refcount_warn_saturate+0x9c/0x144 # [ 114.281140] lr : refcount_warn_saturate+0x9c/0x144 # [ 114.286204] sp : ffff80001621bcb0 # [ 114.289790] x29: ffff80001621bcb0 x28: ffff000805ab9880 # [ 114.295392] x27: 0000000000000000 x26: 0000000000000000 # [ 114.300992] x25: ffff8000114db478 x24: ffff80001621be20 # [ 114.306593] x23: 000000000000001f x22: 00000000ffffffff # [ 114.312194] x21: 000000007fffffff x20: 000000007fffffff # [ 114.317794] x19: ffff80001621bd04 x18: 0000000000000006 # [ 114.323395] x17: 0000000000000100 x16: 0000000000000000 # [ 114.328995] x15: ffff80001621b7c0 x14: ffff80009621b97a # [ 114.334596] x13: ffff80001621b982 x12: 0000000000000038 # [ 114.340196] x11: 0000000000000030 x10: 0000000000001440 # [ 114.345796] x9 : ffff80001012b978 x8 : ffff000805abad20 # [ 114.351397] x7 : ffff000806c01600 x6 : ffff800012575000 # [ 114.356997] x5 : ffff800012575c88 x4 : ffff00097ef90c68 # [ 114.362598] x3 : 0000000000000000 x2 : 0000000000000000 # [ 114.368198] x1 : 0000000000000000 x0 : ffff000805ab9880 # [ 114.373798] Call trace: # [ 114.376518] refcount_warn_saturate+0x9c/0x144 # [ 114.381243] __refcount_add_not_zero.constprop.0+0xa0/0xc0 # [ 114.387009] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x44/0x88 # [ 114.392863] lkdtm_do_action+0x24/0x40 # [ 114.396888] direct_entry+0xc8/0x130 # [ 114.400739] full_proxy_write+0x68/0xbc # [ 114.404851] vfs_write+0xec/0x22c # [ 114.408440] ksys_write+0x78/0x110 # [ 114.412115] __arm64_sys_write+0x24/0x30 # [ 114.416316] el0_svc_common.constprop.0+0x84/0x1e0 # [ 114.421385] do_el0_svc+0x2c/0xa4 # [ 114.424974] el0_svc+0x20/0x30 # [ 114.428303] el0_sync_handler+0xe8/0x114 # [ 114.432500] el0_sync+0x180/0x1c0 # [ 114.436086] irq event stamp: 0 # [ 114.439416] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 114.445967] hardirqs last disabled at (0): [] copy_process+0x5f4/0x1df4 # [ 114.454432] softirqs last enabled at (0): [] copy_process+0x5f4/0x1df4 # [ 114.462893] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 114.469438] ---[ end trace 61925da2c52a7bf1 ]--- # [ 114.474526] 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>[ 114.931818] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO <6>[ 114.937836] lkdtm: attempting good refcount_dec() <6>[ 114.942981] lkdtm: attempting bad refcount_dec() to zero <4>[ 114.949113] ------------[ cut here ]------------ <4>[ 114.954081] refcount_t: decrement hit 0; leaking memory. <4>[ 114.959737] WARNING: CPU: 2 PID: 2327 at lib/refcount.c:31 refcount_warn_saturate+0x13c/0x144 <4>[ 114.968540] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables tda998x cec drm_kms_helper crct10dif_ce drm smsc <4>[ 114.980290] CPU: 2 PID: 2327 Comm: cat Tainted: G D W 5.10.226-cip52 #1 <4>[ 114.988310] Hardware name: ARM Juno development board (r0) (DT) <4>[ 114.994504] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 115.000785] pc : refcount_warn_saturate+0x13c/0x144 <4>[ 115.005935] lr : refcount_warn_saturate+0x13c/0x144 <4>[ 115.011082] sp : ffff8000162bbcc0 <4>[ 115.014662] x29: ffff8000162bbcc0 x28: ffff0008089e0000 <4>[ 115.020256] x27: 0000000000000000 x26: 0000000000000000 <4>[ 115.025849] x25: ffff8000114db478 x24: ffff8000162bbe20 <4>[ 115.031441] x23: 0000000000000012 x22: ffff000800b6f000 <4>[ 115.037033] x21: ffff8000119f1348 x20: 000000000000002f <4>[ 115.042625] x19: ffff8000162bbd04 x18: 0000000000000006 <4>[ 115.048216] x17: 0000000000000000 x16: 0000000000000000 <4>[ 115.053809] x15: ffff8000162bb7d0 x14: ffff8000962bb98a <4>[ 115.059401] x13: ffff8000162bb992 x12: 0000000030d4d91d <4>[ 115.064993] x11: 0000000000000000 x10: ffff8000125fc128 <4>[ 115.070584] x9 : ffff80001012b978 x8 : 00000000ffffefff <4>[ 115.076176] x7 : ffff8000125fc128 x6 : ffff800012575000 <4>[ 115.081768] x5 : ffff800012575c88 x4 : ffff00097ef4cc68 <4>[ 115.087360] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 115.092952] x1 : 0000000000000000 x0 : ffff0008089e0000 <4>[ 115.098544] Call trace: <4>[ 115.101258] refcount_warn_saturate+0x13c/0x144 <4>[ 115.106062] __refcount_dec.constprop.0+0x5c/0x6c <4>[ 115.111039] lkdtm_REFCOUNT_DEC_ZERO+0x54/0xe0 <4>[ 115.115756] lkdtm_do_action+0x24/0x40 <4>[ 115.119775] direct_entry+0xc8/0x130 <4>[ 115.123620] full_proxy_write+0x68/0xbc <4>[ 115.127726] vfs_write+0xec/0x22c <4>[ 115.131309] ksys_write+0x78/0x110 <4>[ 115.134978] __arm64_sys_write+0x24/0x30 <4>[ 115.139172] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 115.144235] do_el0_svc+0x2c/0xa4 <4>[ 115.147818] el0_svc+0x20/0x30 <4>[ 115.151141] el0_sync_handler+0xe8/0x114 <4>[ 115.155333] el0_sync+0x180/0x1c0 <4>[ 115.158914] irq event stamp: 0 <4>[ 115.162238] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 115.168783] hardirqs last disabled at (0): [] copy_process+0x5f4/0x1df4 <4>[ 115.177241] softirqs last enabled at (0): [] copy_process+0x5f4/0x1df4 <4>[ 115.185696] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 115.192236] ---[ end trace 61925da2c52a7bf2 ]--- <6>[ 115.197182] lkdtm: Zero detected: saturated # [ 114.931818] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO # [ 114.937836] lkdtm: attempting good refcount_dec() # [ 114.942981] lkdtm: attempting bad refcount_dec() to zero # [ 114.949113] ------------[ cut here ]------------ # [ 114.954081] refcount_t: decrement hit 0; leaking memory. # [ 114.959737] WARNING: CPU: 2 PID: 2327 at lib/refcount.c:31 refcount_warn_saturate+0x13c/0x144 # [ 114.968540] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables tda998x cec drm_kms_helper crct10dif_ce drm smsc # [ 114.980290] CPU: 2 PID: 2327 Comm: cat Tainted: G D W 5.10.226-cip52 #1 # [ 114.988310] Hardware name: ARM Juno development board (r0) (DT) # [ 114.994504] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 115.000785] pc : refcount_warn_saturate+0x13c/0x144 # [ 115.005935] lr : refcount_warn_saturate+0x13c/0x144 # [ 115.011082] sp : ffff8000162bbcc0 # [ 115.014662] x29: ffff8000162bbcc0 x28: ffff0008089e0000 # [ 115.020256] x27: 0000000000000000 x26: 0000000000000000 # [ 115.025849] x25: ffff8000114db478 x24: ffff8000162bbe20 # [ 115.031441] x23: 0000000000000012 x22: ffff000800b6f000 # [ 115.037033] x21: ffff8000119f1348 x20: 000000000000002f # [ 115.042625] x19: ffff8000162bbd04 x18: 0000000000000006 # [ 115.048216] x17: 0000000000000000 x16: 0000000000000000 # [ 115.053809] x15: ffff8000162bb7d0 x14: ffff8000962bb98a # [ 115.059401] x13: ffff8000162bb992 x12: 0000000030d4d91d # [ 115.064993] x11: 0000000000000000 x10: ffff8000125fc128 # [ 115.070584] x9 : ffff80001012b978 x8 : 00000000ffffefff # [ 115.076176] x7 : ffff8000125fc128 x6 : ffff800012575000 # [ 115.081768] x5 : ffff800012575c88 x4 : ffff00097ef4cc68 # [ 115.087360] x3 : 0000000000000000 x2 : 0000000000000000 # [ 115.092952] x1 : 0000000000000000 x0 : ffff0008089e0000 # [ 115.098544] Call trace: # [ 115.101258] refcount_warn_saturate+0x13c/0x144 # [ 115.106062] __refcount_dec.constprop.0+0x5c/0x6c # [ 115.111039] lkdtm_REFCOUNT_DEC_ZERO+0x54/0xe0 # [ 115.115756] lkdtm_do_action+0x24/0x40 # [ 115.119775] direct_entry+0xc8/0x130 # [ 115.123620] full_proxy_write+0x68/0xbc # [ 115.127726] vfs_write+0xec/0x22c # [ 115.131309] ksys_write+0x78/0x110 # [ 115.134978] __arm64_sys_write+0x24/0x30 # [ 115.139172] el0_svc_common.constprop.0+0x84/0x1e0 # [ 115.144235] do_el0_svc+0x2c/0xa4 # [ 115.147818] el0_svc+0x20/0x30 # [ 115.151141] el0_sync_handler+0xe8/0x114 # [ 115.155333] el0_sync+0x180/0x1c0 # [ 115.158914] irq event stamp: 0 # [ 115.162238] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 115.168783] hardirqs last disabled at (0): [] copy_process+0x5f4/0x1df4 # [ 115.177241] softirqs last enabled at (0): [] copy_process+0x5f4/0x1df4 # [ 115.185696] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 115.192236] ---[ end trace 61925da2c52a7bf2 ]--- # [ 115.197182] 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>[ 115.694218] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE <6>[ 115.700574] lkdtm: attempting bad refcount_dec() below zero <4>[ 115.706552] ------------[ cut here ]------------ <4>[ 115.711523] refcount_t: decrement hit 0; leaking memory. <4>[ 115.717511] WARNING: CPU: 4 PID: 2363 at lib/refcount.c:31 refcount_warn_saturate+0x13c/0x144 <4>[ 115.726320] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables tda998x cec drm_kms_helper crct10dif_ce drm smsc <4>[ 115.738104] CPU: 4 PID: 2363 Comm: cat Tainted: G D W 5.10.226-cip52 #1 <4>[ 115.746127] Hardware name: ARM Juno development board (r0) (DT) <4>[ 115.752327] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 115.758616] pc : refcount_warn_saturate+0x13c/0x144 <4>[ 115.763771] lr : refcount_warn_saturate+0x13c/0x144 <4>[ 115.768923] sp : ffff80001633bcc0 <4>[ 115.772508] x29: ffff80001633bcc0 x28: ffff0008089dc980 <4>[ 115.778109] x27: 0000000000000000 x26: 0000000000000000 <4>[ 115.783710] x25: ffff8000114db478 x24: ffff80001633be20 <4>[ 115.789311] x23: 0000000000000016 x22: ffff0008042c0000 <4>[ 115.794911] x21: ffff8000119f1360 x20: 0000000000000030 <4>[ 115.800512] x19: ffff80001633bd04 x18: 0000000000000006 <4>[ 115.806113] x17: 0000000000000100 x16: 0000000000000000 <4>[ 115.811713] x15: ffff80001633b7d0 x14: ffff80009633b98a <4>[ 115.817314] x13: ffff80001633b992 x12: 0000000000000030 <4>[ 115.822914] x11: 0000000000000028 x10: ffff8000125fc128 <4>[ 115.828516] x9 : ffff80001012b978 x8 : 00000000ffffefff <4>[ 115.834116] x7 : ffff8000125fc128 x6 : ffff800012575000 <4>[ 115.839717] x5 : ffff800012575c88 x4 : ffff00097ef90c68 <4>[ 115.845317] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 115.850918] x1 : 0000000000000000 x0 : ffff0008089dc980 <4>[ 115.856518] Call trace: <4>[ 115.859238] refcount_warn_saturate+0x13c/0x144 <4>[ 115.864049] __refcount_dec.constprop.0+0x5c/0x6c <4>[ 115.869033] lkdtm_REFCOUNT_DEC_NEGATIVE+0x3c/0x70 <4>[ 115.874103] lkdtm_do_action+0x24/0x40 <4>[ 115.878128] direct_entry+0xc8/0x130 <4>[ 115.881980] full_proxy_write+0x68/0xbc <4>[ 115.886092] vfs_write+0xec/0x22c <4>[ 115.889681] ksys_write+0x78/0x110 <4>[ 115.893356] __arm64_sys_write+0x24/0x30 <4>[ 115.897557] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 115.902626] do_el0_svc+0x2c/0xa4 <4>[ 115.906215] el0_svc+0x20/0x30 <4>[ 115.909544] el0_sync_handler+0xe8/0x114 <4>[ 115.913742] el0_sync+0x180/0x1c0 <4>[ 115.917328] irq event stamp: 0 <4>[ 115.920658] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 115.927210] hardirqs last disabled at (0): [] copy_process+0x5f4/0x1df4 <4>[ 115.935675] softirqs last enabled at (0): [] copy_process+0x5f4/0x1df4 <4>[ 115.944136] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 115.950681] ---[ end trace 61925da2c52a7bf3 ]--- <6>[ 115.955863] lkdtm: Negative detected: saturated # [ 115.694218] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 115.700574] lkdtm: attempting bad refcount_dec() below zero # [ 115.706552] ------------[ cut here ]------------ # [ 115.711523] refcount_t: decrement hit 0; leaking memory. # [ 115.717511] WARNING: CPU: 4 PID: 2363 at lib/refcount.c:31 refcount_warn_saturate+0x13c/0x144 # [ 115.726320] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables tda998x cec drm_kms_helper crct10dif_ce drm smsc # [ 115.738104] CPU: 4 PID: 2363 Comm: cat Tainted: G D W 5.10.226-cip52 #1 # [ 115.746127] Hardware name: ARM Juno development board (r0) (DT) # [ 115.752327] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 115.758616] pc : refcount_warn_saturate+0x13c/0x144 # [ 115.763771] lr : refcount_warn_saturate+0x13c/0x144 # [ 115.768923] sp : ffff80001633bcc0 # [ 115.772508] x29: ffff80001633bcc0 x28: ffff0008089dc980 # [ 115.778109] x27: 0000000000000000 x26: 0000000000000000 # [ 115.783710] x25: ffff8000114db478 x24: ffff80001633be20 # [ 115.789311] x23: 0000000000000016 x22: ffff0008042c0000 # [ 115.794911] x21: ffff8000119f1360 x20: 0000000000000030 # [ 115.800512] x19: ffff80001633bd04 x18: 0000000000000006 # [ 115.806113] x17: 0000000000000100 x16: 0000000000000000 # [ 115.811713] x15: ffff80001633b7d0 x14: ffff80009633b98a # [ 115.817314] x13: ffff80001633b992 x12: 0000000000000030 # [ 115.822914] x11: 0000000000000028 x10: ffff8000125fc128 # [ 115.828516] x9 : ffff80001012b978 x8 : 00000000ffffefff # [ 115.834116] x7 : ffff8000125fc128 x6 : ffff800012575000 # [ 115.839717] x5 : ffff800012575c88 x4 : ffff00097ef90c68 # [ 115.845317] x3 : 0000000000000000 x2 : 0000000000000000 # [ 115.850918] x1 : 0000000000000000 x0 : ffff0008089dc980 # [ 115.856518] Call trace: # [ 115.859238] refcount_warn_saturate+0x13c/0x144 # [ 115.864049] __refcount_dec.constprop.0+0x5c/0x6c # [ 115.869033] lkdtm_REFCOUNT_DEC_NEGATIVE+0x3c/0x70 # [ 115.874103] lkdtm_do_action+0x24/0x40 # [ 115.878128] direct_entry+0xc8/0x130 # [ 115.881980] full_proxy_write+0x68/0xbc # [ 115.886092] vfs_write+0xec/0x22c # [ 115.889681] ksys_write+0x78/0x110 # [ 115.893356] __arm64_sys_write+0x24/0x30 # [ 115.897557] el0_svc_common.constprop.0+0x84/0x1e0 # [ 115.902626] do_el0_svc+0x2c/0xa4 # [ 115.906215] el0_svc+0x20/0x30 # [ 115.909544] el0_sync_handler+0xe8/0x114 # [ 115.913742] el0_sync+0x180/0x1c0 # [ 115.917328] irq event stamp: 0 # [ 115.920658] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 115.927210] hardirqs last disabled at (0): [] copy_process+0x5f4/0x1df4 # [ 115.935675] softirqs last enabled at (0): [] copy_process+0x5f4/0x1df4 # [ 115.944136] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 115.950681] ---[ end trace 61925da2c52a7bf3 ]--- # [ 115.955863] 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>[ 116.443158] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE <6>[ 116.450343] lkdtm: attempting bad refcount_dec_and_test() below zero <4>[ 116.457175] ------------[ cut here ]------------ <4>[ 116.462123] refcount_t: underflow; use-after-free. <4>[ 116.467384] WARNING: CPU: 3 PID: 2399 at lib/refcount.c:28 refcount_warn_saturate+0xf4/0x144 <4>[ 116.476106] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables tda998x cec drm_kms_helper crct10dif_ce drm smsc <4>[ 116.487890] CPU: 3 PID: 2399 Comm: cat Tainted: G D W 5.10.226-cip52 #1 <4>[ 116.495914] Hardware name: ARM Juno development board (r0) (DT) <4>[ 116.502115] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 116.508403] pc : refcount_warn_saturate+0xf4/0x144 <4>[ 116.513471] lr : refcount_warn_saturate+0xf4/0x144 <4>[ 116.518536] sp : ffff8000163fbcd0 <4>[ 116.522121] x29: ffff8000163fbcd0 x28: ffff0008089e3100 <4>[ 116.527723] x27: 0000000000000000 x26: 0000000000000000 <4>[ 116.533324] x25: ffff8000114db478 x24: ffff8000163fbe20 <4>[ 116.538924] x23: 000000000000001f x22: ffff000807382000 <4>[ 116.544524] x21: ffff8000119f1378 x20: 0000000000000031 <4>[ 116.550125] x19: ffff8000114db798 x18: 0000000000000006 <4>[ 116.555725] x17: 0000000000000100 x16: 0000000000000000 <4>[ 116.561326] x15: ffff8000163fb7e0 x14: ffff8000963fb99a <4>[ 116.566926] x13: ffff8000163fb9a2 x12: 0000000000000038 <4>[ 116.572526] x11: 0000000000000030 x10: 0000000000001440 <4>[ 116.578127] x9 : ffff80001012b978 x8 : ffff0008089e45a0 <4>[ 116.583727] x7 : ffff000806c01800 x6 : ffff800012575000 <4>[ 116.589328] x5 : ffff800012575c88 x4 : ffff00097ef6ec68 <4>[ 116.594928] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 116.600528] x1 : 0000000000000000 x0 : ffff0008089e3100 <4>[ 116.606129] Call trace: <4>[ 116.608849] refcount_warn_saturate+0xf4/0x144 <4>[ 116.613574] __refcount_sub_and_test.constprop.0+0x70/0x80 <4>[ 116.619342] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x40/0x88 <4>[ 116.625194] lkdtm_do_action+0x24/0x40 <4>[ 116.629218] direct_entry+0xc8/0x130 <4>[ 116.633069] full_proxy_write+0x68/0xbc <4>[ 116.637181] vfs_write+0xec/0x22c <4>[ 116.640770] ksys_write+0x78/0x110 <4>[ 116.644445] __arm64_sys_write+0x24/0x30 <4>[ 116.648646] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 116.653714] do_el0_svc+0x2c/0xa4 <4>[ 116.657304] el0_svc+0x20/0x30 <4>[ 116.660632] el0_sync_handler+0xe8/0x114 <4>[ 116.664830] el0_sync+0x180/0x1c0 <4>[ 116.668416] irq event stamp: 0 <4>[ 116.671745] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 116.678297] hardirqs last disabled at (0): [] copy_process+0x5f4/0x1df4 <4>[ 116.686762] softirqs last enabled at (0): [] copy_process+0x5f4/0x1df4 <4>[ 116.695224] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 116.701769] ---[ end trace 61925da2c52a7bf4 ]--- <6>[ 116.706985] lkdtm: Negative detected: saturated # [ 116.443158] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 116.450343] lkdtm: attempting bad refcount_dec_and_test() below zero # [ 116.457175] ------------[ cut here ]------------ # [ 116.462123] refcount_t: underflow; use-after-free. # [ 116.467384] WARNING: CPU: 3 PID: 2399 at lib/refcount.c:28 refcount_warn_saturate+0xf4/0x144 # [ 116.476106] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables tda998x cec drm_kms_helper crct10dif_ce drm smsc # [ 116.487890] CPU: 3 PID: 2399 Comm: cat Tainted: G D W 5.10.226-cip52 #1 # [ 116.495914] Hardware name: ARM Juno development board (r0) (DT) # [ 116.502115] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 116.508403] pc : refcount_warn_saturate+0xf4/0x144 # [ 116.513471] lr : refcount_warn_saturate+0xf4/0x144 # [ 116.518536] sp : ffff8000163fbcd0 # [ 116.522121] x29: ffff8000163fbcd0 x28: ffff0008089e3100 # [ 116.527723] x27: 0000000000000000 x26: 0000000000000000 # [ 116.533324] x25: ffff8000114db478 x24: ffff8000163fbe20 # [ 116.538924] x23: 000000000000001f x22: ffff000807382000 # [ 116.544524] x21: ffff8000119f1378 x20: 0000000000000031 # [ 116.550125] x19: ffff8000114db798 x18: 0000000000000006 # [ 116.555725] x17: 0000000000000100 x16: 0000000000000000 # [ 116.561326] x15: ffff8000163fb7e0 x14: ffff8000963fb99a # [ 116.566926] x13: ffff8000163fb9a2 x12: 0000000000000038 # [ 116.572526] x11: 0000000000000030 x10: 0000000000001440 # [ 116.578127] x9 : ffff80001012b978 x8 : ffff0008089e45a0 # [ 116.583727] x7 : ffff000806c01800 x6 : ffff800012575000 # [ 116.589328] x5 : ffff800012575c88 x4 : ffff00097ef6ec68 # [ 116.594928] x3 : 0000000000000000 x2 : 0000000000000000 # [ 116.600528] x1 : 0000000000000000 x0 : ffff0008089e3100 # [ 116.606129] Call trace: # [ 116.608849] refcount_warn_saturate+0xf4/0x144 # [ 116.613574] __refcount_sub_and_test.constprop.0+0x70/0x80 # [ 116.619342] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x40/0x88 # [ 116.625194] lkdtm_do_action+0x24/0x40 # [ 116.629218] direct_entry+0xc8/0x130 # [ 116.633069] full_proxy_write+0x68/0xbc # [ 116.637181] vfs_write+0xec/0x22c # [ 116.640770] ksys_write+0x78/0x110 # [ 116.644445] __arm64_sys_write+0x24/0x30 # [ 116.648646] el0_svc_common.constprop.0+0x84/0x1e0 # [ 116.653714] do_el0_svc+0x2c/0xa4 # [ 116.657304] el0_svc+0x20/0x30 # [ 116.660632] el0_sync_handler+0xe8/0x114 # [ 116.664830] el0_sync+0x180/0x1c0 # [ 116.668416] irq event stamp: 0 # [ 116.671745] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 116.678297] hardirqs last disabled at (0): [] copy_process+0x5f4/0x1df4 # [ 116.686762] softirqs last enabled at (0): [] copy_process+0x5f4/0x1df4 # [ 116.695224] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 116.701769] ---[ end trace 61925da2c52a7bf4 ]--- # [ 116.706985] 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>[ 117.189509] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE <6>[ 117.196644] lkdtm: attempting bad refcount_sub_and_test() below zero <4>[ 117.203336] ------------[ cut here ]------------ <4>[ 117.208280] refcount_t: underflow; use-after-free. <4>[ 117.213540] WARNING: CPU: 3 PID: 2435 at lib/refcount.c:28 refcount_warn_saturate+0xf4/0x144 <4>[ 117.222263] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables tda998x cec drm_kms_helper crct10dif_ce drm smsc <4>[ 117.234048] CPU: 3 PID: 2435 Comm: cat Tainted: G D W 5.10.226-cip52 #1 <4>[ 117.242072] Hardware name: ARM Juno development board (r0) (DT) <4>[ 117.248272] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 117.254560] pc : refcount_warn_saturate+0xf4/0x144 <4>[ 117.259628] lr : refcount_warn_saturate+0xf4/0x144 <4>[ 117.264692] sp : ffff800016473cd0 <4>[ 117.268278] x29: ffff800016473cd0 x28: ffff000805abb100 <4>[ 117.273879] x27: 0000000000000000 x26: 0000000000000000 <4>[ 117.279480] x25: ffff8000114db478 x24: ffff800016473e20 <4>[ 117.285080] x23: 000000000000001f x22: ffff0008028c9000 <4>[ 117.290681] x21: ffff8000119f1398 x20: 0000000000000032 <4>[ 117.296282] x19: ffff8000114db7a8 x18: 0000000000000006 <4>[ 117.301882] x17: 0000000000000100 x16: 0000000000000000 <4>[ 117.307483] x15: ffff8000164737e0 x14: ffff80009647399a <4>[ 117.313083] x13: ffff8000164739a2 x12: 0000000000000038 <4>[ 117.318683] x11: 0000000000000030 x10: 0000000000001440 <4>[ 117.324283] x9 : ffff80001012b978 x8 : ffff000805abc5a0 <4>[ 117.329884] x7 : ffff000806c01800 x6 : ffff800012575000 <4>[ 117.335484] x5 : ffff800012575c88 x4 : ffff00097ef6ec68 <4>[ 117.341084] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 117.346684] x1 : 0000000000000000 x0 : ffff000805abb100 <4>[ 117.352285] Call trace: <4>[ 117.355005] refcount_warn_saturate+0xf4/0x144 <4>[ 117.359729] __refcount_sub_and_test.constprop.0+0x70/0x80 <4>[ 117.365498] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x44/0x8c <4>[ 117.371350] lkdtm_do_action+0x24/0x40 <4>[ 117.375374] direct_entry+0xc8/0x130 <4>[ 117.379225] full_proxy_write+0x68/0xbc <4>[ 117.383337] vfs_write+0xec/0x22c <4>[ 117.386926] ksys_write+0x78/0x110 <4>[ 117.390601] __arm64_sys_write+0x24/0x30 <4>[ 117.394802] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 117.399870] do_el0_svc+0x2c/0xa4 <4>[ 117.403460] el0_svc+0x20/0x30 <4>[ 117.406788] el0_sync_handler+0xe8/0x114 <4>[ 117.410986] el0_sync+0x180/0x1c0 <4>[ 117.414572] irq event stamp: 0 <4>[ 117.417901] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 117.424453] hardirqs last disabled at (0): [] copy_process+0x5f4/0x1df4 <4>[ 117.432917] softirqs last enabled at (0): [] copy_process+0x5f4/0x1df4 <4>[ 117.441379] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 117.447923] ---[ end trace 61925da2c52a7bf5 ]--- <6>[ 117.453004] lkdtm: Negative detected: saturated # [ 117.189509] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 117.196644] lkdtm: attempting bad refcount_sub_and_test() below zero # [ 117.203336] ------------[ cut here ]------------ # [ 117.208280] refcount_t: underflow; use-after-free. # [ 117.213540] WARNING: CPU: 3 PID: 2435 at lib/refcount.c:28 refcount_warn_saturate+0xf4/0x144 # [ 117.222263] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables tda998x cec drm_kms_helper crct10dif_ce drm smsc # [ 117.234048] CPU: 3 PID: 2435 Comm: cat Tainted: G D W 5.10.226-cip52 #1 # [ 117.242072] Hardware name: ARM Juno development board (r0) (DT) # [ 117.248272] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 117.254560] pc : refcount_warn_saturate+0xf4/0x144 # [ 117.259628] lr : refcount_warn_saturate+0xf4/0x144 # [ 117.264692] sp : ffff800016473cd0 # [ 117.268278] x29: ffff800016473cd0 x28: ffff000805abb100 # [ 117.273879] x27: 0000000000000000 x26: 0000000000000000 # [ 117.279480] x25: ffff8000114db478 x24: ffff800016473e20 # [ 117.285080] x23: 000000000000001f x22: ffff0008028c9000 # [ 117.290681] x21: ffff8000119f1398 x20: 0000000000000032 # [ 117.296282] x19: ffff8000114db7a8 x18: 0000000000000006 # [ 117.301882] x17: 0000000000000100 x16: 0000000000000000 # [ 117.307483] x15: ffff8000164737e0 x14: ffff80009647399a # [ 117.313083] x13: ffff8000164739a2 x12: 0000000000000038 # [ 117.318683] x11: 0000000000000030 x10: 0000000000001440 # [ 117.324283] x9 : ffff80001012b978 x8 : ffff000805abc5a0 # [ 117.329884] x7 : ffff000806c01800 x6 : ffff800012575000 # [ 117.335484] x5 : ffff800012575c88 x4 : ffff00097ef6ec68 # [ 117.341084] x3 : 0000000000000000 x2 : 0000000000000000 # [ 117.346684] x1 : 0000000000000000 x0 : ffff000805abb100 # [ 117.352285] Call trace: # [ 117.355005] refcount_warn_saturate+0xf4/0x144 # [ 117.359729] __refcount_sub_and_test.constprop.0+0x70/0x80 # [ 117.365498] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x44/0x8c # [ 117.371350] lkdtm_do_action+0x24/0x40 # [ 117.375374] direct_entry+0xc8/0x130 # [ 117.379225] full_proxy_write+0x68/0xbc # [ 117.383337] vfs_write+0xec/0x22c # [ 117.386926] ksys_write+0x78/0x110 # [ 117.390601] __arm64_sys_write+0x24/0x30 # [ 117.394802] el0_svc_common.constprop.0+0x84/0x1e0 # [ 117.399870] do_el0_svc+0x2c/0xa4 # [ 117.403460] el0_svc+0x20/0x30 # [ 117.406788] el0_sync_handler+0xe8/0x114 # [ 117.410986] el0_sync+0x180/0x1c0 # [ 117.414572] irq event stamp: 0 # [ 117.417901] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 117.424453] hardirqs last disabled at (0): [] copy_process+0x5f4/0x1df4 # [ 117.432917] softirqs last enabled at (0): [] copy_process+0x5f4/0x1df4 # [ 117.441379] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 117.447923] ---[ end trace 61925da2c52a7bf5 ]--- # [ 117.453004] 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>[ 117.962507] lkdtm: Performing direct entry REFCOUNT_INC_ZERO <6>[ 117.968525] lkdtm: attempting safe refcount_inc_not_zero() from zero <6>[ 117.975217] lkdtm: Good: zero detected <6>[ 117.979341] lkdtm: Correctly stayed at zero <6>[ 117.983945] lkdtm: attempting bad refcount_inc() from zero <4>[ 117.989744] ------------[ cut here ]------------ <4>[ 117.994669] refcount_t: addition on 0; use-after-free. <4>[ 118.000152] WARNING: CPU: 1 PID: 2468 at lib/refcount.c:25 refcount_warn_saturate+0xc8/0x144 <4>[ 118.008870] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables tda998x cec drm_kms_helper crct10dif_ce drm smsc <4>[ 118.020622] CPU: 1 PID: 2468 Comm: cat Tainted: G D W 5.10.226-cip52 #1 <4>[ 118.028643] Hardware name: ARM Juno development board (r0) (DT) <4>[ 118.034839] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 118.041120] pc : refcount_warn_saturate+0xc8/0x144 <4>[ 118.046182] lr : refcount_warn_saturate+0xc8/0x144 <4>[ 118.051242] sp : ffff800016513cd0 <4>[ 118.054823] x29: ffff800016513cd0 x28: ffff0008089e6200 <4>[ 118.060417] x27: 0000000000000000 x26: 0000000000000000 <4>[ 118.066010] x25: ffff8000114db478 x24: ffff800016513e20 <4>[ 118.071603] x23: 0000000000000012 x22: ffff000807d09000 <4>[ 118.077195] x21: ffff8000119f13b8 x20: 0000000000000033 <4>[ 118.082787] x19: ffff8000114db7b8 x18: 0000000000000006 <4>[ 118.088379] x17: 0000000000000002 x16: 0000000000000000 <4>[ 118.093972] x15: ffff8000165137e0 x14: ffff80009651399a <4>[ 118.099564] x13: ffff8000165139a2 x12: 0000000000000003 <4>[ 118.105155] x11: 0000000000000000 x10: ffff8000125fc128 <4>[ 118.110748] x9 : ffff80001012b978 x8 : 00000000ffffefff <4>[ 118.116340] x7 : ffff8000125fc128 x6 : ffff800012575000 <4>[ 118.121932] x5 : ffff800012575c88 x4 : ffff00097ef2ac68 <4>[ 118.127523] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 118.133115] x1 : 0000000000000000 x0 : ffff0008089e6200 <4>[ 118.138707] Call trace: <4>[ 118.141421] refcount_warn_saturate+0xc8/0x144 <4>[ 118.146139] __refcount_add.constprop.0+0x60/0x80 <4>[ 118.151118] lkdtm_REFCOUNT_INC_ZERO+0xa0/0xd0 <4>[ 118.155833] lkdtm_do_action+0x24/0x40 <4>[ 118.159852] direct_entry+0xc8/0x130 <4>[ 118.163697] full_proxy_write+0x68/0xbc <4>[ 118.167804] vfs_write+0xec/0x22c <4>[ 118.171387] ksys_write+0x78/0x110 <4>[ 118.175057] __arm64_sys_write+0x24/0x30 <4>[ 118.179252] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 118.184314] do_el0_svc+0x2c/0xa4 <4>[ 118.187897] el0_svc+0x20/0x30 <4>[ 118.191221] el0_sync_handler+0xe8/0x114 <4>[ 118.195413] el0_sync+0x180/0x1c0 <4>[ 118.198994] irq event stamp: 0 <4>[ 118.202318] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 118.208863] hardirqs last disabled at (0): [] copy_process+0x5f4/0x1df4 <4>[ 118.217322] softirqs last enabled at (0): [] copy_process+0x5f4/0x1df4 <4>[ 118.225777] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 118.232317] ---[ end trace 61925da2c52a7bf6 ]--- <6>[ 118.237294] lkdtm: Zero detected: saturated # [ 117.962507] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 117.968525] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 117.975217] lkdtm: Good: zero detected # [ 117.979341] lkdtm: Correctly stayed at zero # [ 117.983945] lkdtm: attempting bad refcount_inc() from zero # [ 117.989744] ------------[ cut here ]------------ # [ 117.994669] refcount_t: addition on 0; use-after-free. # [ 118.000152] WARNING: CPU: 1 PID: 2468 at lib/refcount.c:25 refcount_warn_saturate+0xc8/0x144 # [ 118.008870] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables tda998x cec drm_kms_helper crct10dif_ce drm smsc # [ 118.020622] CPU: 1 PID: 2468 Comm: cat Tainted: G D W 5.10.226-cip52 #1 # [ 118.028643] Hardware name: ARM Juno development board (r0) (DT) # [ 118.034839] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 118.041120] pc : refcount_warn_saturate+0xc8/0x144 # [ 118.046182] lr : refcount_warn_saturate+0xc8/0x144 # [ 118.051242] sp : ffff800016513cd0 # [ 118.054823] x29: ffff800016513cd0 x28: ffff0008089e6200 # [ 118.060417] x27: 0000000000000000 x26: 0000000000000000 # [ 118.066010] x25: ffff8000114db478 x24: ffff800016513e20 # [ 118.071603] x23: 0000000000000012 x22: ffff000807d09000 # [ 118.077195] x21: ffff8000119f13b8 x20: 0000000000000033 # [ 118.082787] x19: ffff8000114db7b8 x18: 0000000000000006 # [ 118.088379] x17: 0000000000000002 x16: 0000000000000000 # [ 118.093972] x15: ffff8000165137e0 x14: ffff80009651399a # [ 118.099564] x13: ffff8000165139a2 x12: 0000000000000003 # [ 118.105155] x11: 0000000000000000 x10: ffff8000125fc128 # [ 118.110748] x9 : ffff80001012b978 x8 : 00000000ffffefff # [ 118.116340] x7 : ffff8000125fc128 x6 : ffff800012575000 # [ 118.121932] x5 : ffff800012575c88 x4 : ffff00097ef2ac68 # [ 118.127523] x3 : 0000000000000000 x2 : 0000000000000000 # [ 118.133115] x1 : 0000000000000000 x0 : ffff0008089e6200 # [ 118.138707] Call trace: # [ 118.141421] refcount_warn_saturate+0xc8/0x144 # [ 118.146139] __refcount_add.constprop.0+0x60/0x80 # [ 118.151118] lkdtm_REFCOUNT_INC_ZERO+0xa0/0xd0 # [ 118.155833] lkdtm_do_action+0x24/0x40 # [ 118.159852] direct_entry+0xc8/0x130 # [ 118.163697] full_proxy_write+0x68/0xbc # [ 118.167804] vfs_write+0xec/0x22c # [ 118.171387] ksys_write+0x78/0x110 # [ 118.175057] __arm64_sys_write+0x24/0x30 # [ 118.179252] el0_svc_common.constprop.0+0x84/0x1e0 # [ 118.184314] do_el0_svc+0x2c/0xa4 # [ 118.187897] el0_svc+0x20/0x30 # [ 118.191221] el0_sync_handler+0xe8/0x114 # [ 118.195413] el0_sync+0x180/0x1c0 # [ 118.198994] irq event stamp: 0 # [ 118.202318] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 118.208863] hardirqs last disabled at (0): [] copy_process+0x5f4/0x1df4 # [ 118.217322] softirqs last enabled at (0): [] copy_process+0x5f4/0x1df4 # [ 118.225777] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 118.232317] ---[ end trace 61925da2c52a7bf6 ]--- # [ 118.237294] 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>[ 118.748957] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO <6>[ 118.754960] lkdtm: attempting safe refcount_add_not_zero() from zero <6>[ 118.761653] lkdtm: Good: zero detected <6>[ 118.765726] lkdtm: Correctly stayed at zero <6>[ 118.770301] lkdtm: attempting bad refcount_add() from zero <4>[ 118.776145] ------------[ cut here ]------------ <4>[ 118.781401] refcount_t: addition on 0; use-after-free. <4>[ 118.786907] WARNING: CPU: 1 PID: 2501 at lib/refcount.c:25 refcount_warn_saturate+0xc8/0x144 <4>[ 118.795624] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables tda998x cec drm_kms_helper crct10dif_ce drm smsc <4>[ 118.807374] CPU: 1 PID: 2501 Comm: cat Tainted: G D W 5.10.226-cip52 #1 <4>[ 118.815394] Hardware name: ARM Juno development board (r0) (DT) <4>[ 118.821588] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 118.827869] pc : refcount_warn_saturate+0xc8/0x144 <4>[ 118.832931] lr : refcount_warn_saturate+0xc8/0x144 <4>[ 118.837991] sp : ffff8000165abcd0 <4>[ 118.841572] x29: ffff8000165abcd0 x28: ffff000805aec980 <4>[ 118.847165] x27: 0000000000000000 x26: 0000000000000000 <4>[ 118.852758] x25: ffff8000114db478 x24: ffff8000165abe20 <4>[ 118.858350] x23: 0000000000000012 x22: ffff000804fed000 <4>[ 118.863942] x21: ffff8000119f13d0 x20: 0000000000000034 <4>[ 118.869534] x19: ffff8000114db7c8 x18: 0000000000000006 <4>[ 118.875126] x17: 0000000000000000 x16: 0000000000000000 <4>[ 118.880718] x15: ffff8000165ab7e0 x14: ffff8000965ab99a <4>[ 118.886310] x13: ffff8000165ab9a2 x12: 0000000030d4d91d <4>[ 118.891902] x11: 0000000000000000 x10: ffff8000125fc128 <4>[ 118.897494] x9 : ffff80001012b978 x8 : 00000000ffffefff <4>[ 118.903085] x7 : ffff8000125fc128 x6 : ffff800012575000 <4>[ 118.908677] x5 : ffff800012575c88 x4 : ffff00097ef2ac68 <4>[ 118.914269] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 118.919860] x1 : 0000000000000000 x0 : ffff000805aec980 <4>[ 118.925453] Call trace: <4>[ 118.928166] refcount_warn_saturate+0xc8/0x144 <4>[ 118.932884] __refcount_add.constprop.0+0x60/0x80 <4>[ 118.937862] lkdtm_REFCOUNT_ADD_ZERO+0xa0/0xd0 <4>[ 118.942577] lkdtm_do_action+0x24/0x40 <4>[ 118.946596] direct_entry+0xc8/0x130 <4>[ 118.950441] full_proxy_write+0x68/0xbc <4>[ 118.954547] vfs_write+0xec/0x22c <4>[ 118.958130] ksys_write+0x78/0x110 <4>[ 118.961799] __arm64_sys_write+0x24/0x30 <4>[ 118.965994] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 118.971056] do_el0_svc+0x2c/0xa4 <4>[ 118.974640] el0_svc+0x20/0x30 <4>[ 118.977962] el0_sync_handler+0xe8/0x114 <4>[ 118.982154] el0_sync+0x180/0x1c0 <4>[ 118.985735] irq event stamp: 0 <4>[ 118.989059] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 118.995604] hardirqs last disabled at (0): [] copy_process+0x5f4/0x1df4 <4>[ 119.004062] softirqs last enabled at (0): [] copy_process+0x5f4/0x1df4 <4>[ 119.012517] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 119.019057] ---[ end trace 61925da2c52a7bf7 ]--- <6>[ 119.024056] lkdtm: Zero detected: saturated # [ 118.748957] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 118.754960] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 118.761653] lkdtm: Good: zero detected # [ 118.765726] lkdtm: Correctly stayed at zero # [ 118.770301] lkdtm: attempting bad refcount_add() from zero # [ 118.776145] ------------[ cut here ]------------ # [ 118.781401] refcount_t: addition on 0; use-after-free. # [ 118.786907] WARNING: CPU: 1 PID: 2501 at lib/refcount.c:25 refcount_warn_saturate+0xc8/0x144 # [ 118.795624] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables tda998x cec drm_kms_helper crct10dif_ce drm smsc # [ 118.807374] CPU: 1 PID: 2501 Comm: cat Tainted: G D W 5.10.226-cip52 #1 # [ 118.815394] Hardware name: ARM Juno development board (r0) (DT) # [ 118.821588] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 118.827869] pc : refcount_warn_saturate+0xc8/0x144 # [ 118.832931] lr : refcount_warn_saturate+0xc8/0x144 # [ 118.837991] sp : ffff8000165abcd0 # [ 118.841572] x29: ffff8000165abcd0 x28: ffff000805aec980 # [ 118.847165] x27: 0000000000000000 x26: 0000000000000000 # [ 118.852758] x25: ffff8000114db478 x24: ffff8000165abe20 # [ 118.858350] x23: 0000000000000012 x22: ffff000804fed000 # [ 118.863942] x21: ffff8000119f13d0 x20: 0000000000000034 # [ 118.869534] x19: ffff8000114db7c8 x18: 0000000000000006 # [ 118.875126] x17: 0000000000000000 x16: 0000000000000000 # [ 118.880718] x15: ffff8000165ab7e0 x14: ffff8000965ab99a # [ 118.886310] x13: ffff8000165ab9a2 x12: 0000000030d4d91d # [ 118.891902] x11: 0000000000000000 x10: ffff8000125fc128 # [ 118.897494] x9 : ffff80001012b978 x8 : 00000000ffffefff # [ 118.903085] x7 : ffff8000125fc128 x6 : ffff800012575000 # [ 118.908677] x5 : ffff800012575c88 x4 : ffff00097ef2ac68 # [ 118.914269] x3 : 0000000000000000 x2 : 0000000000000000 # [ 118.919860] x1 : 0000000000000000 x0 : ffff000805aec980 # [ 118.925453] Call trace: # [ 118.928166] refcount_warn_saturate+0xc8/0x144 # [ 118.932884] __refcount_add.constprop.0+0x60/0x80 # [ 118.937862] lkdtm_REFCOUNT_ADD_ZERO+0xa0/0xd0 # [ 118.942577] lkdtm_do_action+0x24/0x40 # [ 118.946596] direct_entry+0xc8/0x130 # [ 118.950441] full_proxy_write+0x68/0xbc # [ 118.954547] vfs_write+0xec/0x22c # [ 118.958130] ksys_write+0x78/0x110 # [ 118.961799] __arm64_sys_write+0x24/0x30 # [ 118.965994] el0_svc_common.constprop.0+0x84/0x1e0 # [ 118.971056] do_el0_svc+0x2c/0xa4 # [ 118.974640] el0_svc+0x20/0x30 # [ 118.977962] el0_sync_handler+0xe8/0x114 # [ 118.982154] el0_sync+0x180/0x1c0 # [ 118.985735] irq event stamp: 0 # [ 118.989059] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 118.995604] hardirqs last disabled at (0): [] copy_process+0x5f4/0x1df4 # [ 119.004062] softirqs last enabled at (0): [] copy_process+0x5f4/0x1df4 # [ 119.012517] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 119.019057] ---[ end trace 61925da2c52a7bf7 ]--- # [ 119.024056] 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>[ 119.562674] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED <6>[ 119.569121] lkdtm: attempting bad refcount_inc() from saturated <4>[ 119.575393] ------------[ cut here ]------------ <4>[ 119.580333] refcount_t: saturated; leaking memory. <4>[ 119.585586] WARNING: CPU: 3 PID: 2537 at lib/refcount.c:22 refcount_warn_saturate+0x74/0x144 <4>[ 119.594308] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables tda998x cec drm_kms_helper crct10dif_ce drm smsc <4>[ 119.606093] CPU: 3 PID: 2537 Comm: cat Tainted: G D W 5.10.226-cip52 #1 <4>[ 119.614116] Hardware name: ARM Juno development board (r0) (DT) <4>[ 119.620316] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 119.626603] pc : refcount_warn_saturate+0x74/0x144 <4>[ 119.631671] lr : refcount_warn_saturate+0x74/0x144 <4>[ 119.636736] sp : ffff80001663bcd0 <4>[ 119.640321] x29: ffff80001663bcd0 x28: ffff0008089e4980 <4>[ 119.645922] x27: 0000000000000000 x26: 0000000000000000 <4>[ 119.651523] x25: ffff8000114db478 x24: ffff80001663be20 <4>[ 119.657125] x23: 0000000000000017 x22: ffff0008056a4000 <4>[ 119.662725] x21: ffff8000119f13e8 x20: 0000000000000035 <4>[ 119.668325] x19: ffff8000114db7d8 x18: 0000000000000006 <4>[ 119.673926] x17: 0000000000000100 x16: 0000000000000000 <4>[ 119.679526] x15: ffff80001663b7e0 x14: ffff80009663b99a <4>[ 119.685127] x13: ffff80001663b9a2 x12: 0000000000000038 <4>[ 119.690727] x11: 0000000000000030 x10: 0000000000001440 <4>[ 119.696327] x9 : ffff80001012b978 x8 : ffff0008089e5e20 <4>[ 119.701928] x7 : ffff000806c01800 x6 : ffff800012575000 <4>[ 119.707529] x5 : ffff800012575c88 x4 : ffff00097ef6ec68 <4>[ 119.713129] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 119.718729] x1 : 0000000000000000 x0 : ffff0008089e4980 <4>[ 119.724330] Call trace: <4>[ 119.727050] refcount_warn_saturate+0x74/0x144 <4>[ 119.731774] __refcount_add.constprop.0+0x74/0x80 <4>[ 119.736759] lkdtm_REFCOUNT_INC_SATURATED+0x44/0x74 <4>[ 119.741915] lkdtm_do_action+0x24/0x40 <4>[ 119.745939] direct_entry+0xc8/0x130 <4>[ 119.749790] full_proxy_write+0x68/0xbc <4>[ 119.753902] vfs_write+0xec/0x22c <4>[ 119.757490] ksys_write+0x78/0x110 <4>[ 119.761166] __arm64_sys_write+0x24/0x30 <4>[ 119.765367] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 119.770436] do_el0_svc+0x2c/0xa4 <4>[ 119.774026] el0_svc+0x20/0x30 <4>[ 119.777354] el0_sync_handler+0xe8/0x114 <4>[ 119.781552] el0_sync+0x180/0x1c0 <4>[ 119.785138] irq event stamp: 0 <4>[ 119.788467] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 119.795019] hardirqs last disabled at (0): [] copy_process+0x5f4/0x1df4 <4>[ 119.803484] softirqs last enabled at (0): [] copy_process+0x5f4/0x1df4 <4>[ 119.811946] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 119.818490] ---[ end trace 61925da2c52a7bf8 ]--- <6>[ 119.823642] lkdtm: Saturation detected: still saturated # [ 119.562674] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 119.569121] lkdtm: attempting bad refcount_inc() from saturated # [ 119.575393] ------------[ cut here ]------------ # [ 119.580333] refcount_t: saturated; leaking memory. # [ 119.585586] WARNING: CPU: 3 PID: 2537 at lib/refcount.c:22 refcount_warn_saturate+0x74/0x144 # [ 119.594308] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables tda998x cec drm_kms_helper crct10dif_ce drm smsc # [ 119.606093] CPU: 3 PID: 2537 Comm: cat Tainted: G D W 5.10.226-cip52 #1 # [ 119.614116] Hardware name: ARM Juno development board (r0) (DT) # [ 119.620316] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 119.626603] pc : refcount_warn_saturate+0x74/0x144 # [ 119.631671] lr : refcount_warn_saturate+0x74/0x144 # [ 119.636736] sp : ffff80001663bcd0 # [ 119.640321] x29: ffff80001663bcd0 x28: ffff0008089e4980 # [ 119.645922] x27: 0000000000000000 x26: 0000000000000000 # [ 119.651523] x25: ffff8000114db478 x24: ffff80001663be20 # [ 119.657125] x23: 0000000000000017 x22: ffff0008056a4000 # [ 119.662725] x21: ffff8000119f13e8 x20: 0000000000000035 # [ 119.668325] x19: ffff8000114db7d8 x18: 0000000000000006 # [ 119.673926] x17: 0000000000000100 x16: 0000000000000000 # [ 119.679526] x15: ffff80001663b7e0 x14: ffff80009663b99a # [ 119.685127] x13: ffff80001663b9a2 x12: 0000000000000038 # [ 119.690727] x11: 0000000000000030 x10: 0000000000001440 # [ 119.696327] x9 : ffff80001012b978 x8 : ffff0008089e5e20 # [ 119.701928] x7 : ffff000806c01800 x6 : ffff800012575000 # [ 119.707529] x5 : ffff800012575c88 x4 : ffff00097ef6ec68 # [ 119.713129] x3 : 0000000000000000 x2 : 0000000000000000 # [ 119.718729] x1 : 0000000000000000 x0 : ffff0008089e4980 # [ 119.724330] Call trace: # [ 119.727050] refcount_warn_saturate+0x74/0x144 # [ 119.731774] __refcount_add.constprop.0+0x74/0x80 # [ 119.736759] lkdtm_REFCOUNT_INC_SATURATED+0x44/0x74 # [ 119.741915] lkdtm_do_action+0x24/0x40 # [ 119.745939] direct_entry+0xc8/0x130 # [ 119.749790] full_proxy_write+0x68/0xbc # [ 119.753902] vfs_write+0xec/0x22c # [ 119.757490] ksys_write+0x78/0x110 # [ 119.761166] __arm64_sys_write+0x24/0x30 # [ 119.765367] el0_svc_common.constprop.0+0x84/0x1e0 # [ 119.770436] do_el0_svc+0x2c/0xa4 # [ 119.774026] el0_svc+0x20/0x30 # [ 119.777354] el0_sync_handler+0xe8/0x114 # [ 119.781552] el0_sync+0x180/0x1c0 # [ 119.785138] irq event stamp: 0 # [ 119.788467] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 119.795019] hardirqs last disabled at (0): [] copy_process+0x5f4/0x1df4 # [ 119.803484] softirqs last enabled at (0): [] copy_process+0x5f4/0x1df4 # [ 119.811946] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 119.818490] ---[ end trace 61925da2c52a7bf8 ]--- # [ 119.823642] 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>[ 120.366844] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED <6>[ 120.373308] lkdtm: attempting bad refcount_dec() from saturated <4>[ 120.379635] ------------[ cut here ]------------ <4>[ 120.384606] refcount_t: decrement hit 0; leaking memory. <4>[ 120.390474] WARNING: CPU: 5 PID: 2573 at lib/refcount.c:31 refcount_warn_saturate+0x13c/0x144 <4>[ 120.399284] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables tda998x cec drm_kms_helper crct10dif_ce drm smsc <4>[ 120.411068] CPU: 5 PID: 2573 Comm: cat Tainted: G D W 5.10.226-cip52 #1 <4>[ 120.419092] Hardware name: ARM Juno development board (r0) (DT) <4>[ 120.425292] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 120.431580] pc : refcount_warn_saturate+0x13c/0x144 <4>[ 120.436735] lr : refcount_warn_saturate+0x13c/0x144 <4>[ 120.441887] sp : ffff8000166dbcc0 <4>[ 120.445472] x29: ffff8000166dbcc0 x28: ffff000802853100 <4>[ 120.451074] x27: 0000000000000000 x26: 0000000000000000 <4>[ 120.456675] x25: ffff8000114db478 x24: ffff8000166dbe20 <4>[ 120.462275] x23: 0000000000000017 x22: ffff000807343000 <4>[ 120.467876] x21: ffff8000119f1400 x20: 0000000000000036 <4>[ 120.473476] x19: ffff8000166dbd04 x18: 0000000000000006 <4>[ 120.479077] x17: 0000000000000100 x16: 0000000000000000 <4>[ 120.484677] x15: ffff8000166db7d0 x14: ffff8000966db98a <4>[ 120.490278] x13: ffff8000166db992 x12: 0000000000000038 <4>[ 120.495878] x11: 0000000000000030 x10: ffff8000125fc128 <4>[ 120.501478] x9 : ffff80001012b978 x8 : 00000000ffffefff <4>[ 120.507079] x7 : ffff8000125fc128 x6 : ffff800012575000 <4>[ 120.512680] x5 : ffff800012575c88 x4 : ffff00097efb2c68 <4>[ 120.518280] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 120.523881] x1 : 0000000000000000 x0 : ffff000802853100 <4>[ 120.529481] Call trace: <4>[ 120.532201] refcount_warn_saturate+0x13c/0x144 <4>[ 120.537012] __refcount_dec.constprop.0+0x5c/0x6c <4>[ 120.541995] lkdtm_REFCOUNT_DEC_SATURATED+0x40/0x70 <4>[ 120.547153] lkdtm_do_action+0x24/0x40 <4>[ 120.551177] direct_entry+0xc8/0x130 <4>[ 120.555028] full_proxy_write+0x68/0xbc <4>[ 120.559140] vfs_write+0xec/0x22c <4>[ 120.562728] ksys_write+0x78/0x110 <4>[ 120.566403] __arm64_sys_write+0x24/0x30 <4>[ 120.570604] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 120.575673] do_el0_svc+0x2c/0xa4 <4>[ 120.579262] el0_svc+0x20/0x30 <4>[ 120.582591] el0_sync_handler+0xe8/0x114 <4>[ 120.586788] el0_sync+0x180/0x1c0 <4>[ 120.590374] irq event stamp: 0 <4>[ 120.593704] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 120.600256] hardirqs last disabled at (0): [] copy_process+0x5f4/0x1df4 <4>[ 120.608721] softirqs last enabled at (0): [] copy_process+0x5f4/0x1df4 <4>[ 120.617182] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 120.623727] ---[ end trace 61925da2c52a7bf9 ]--- <6>[ 120.628792] lkdtm: Saturation detected: still saturated # [ 120.366844] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 120.373308] lkdtm: attempting bad refcount_dec() from saturated # [ 120.379635] ------------[ cut here ]------------ # [ 120.384606] refcount_t: decrement hit 0; leaking memory. # [ 120.390474] WARNING: CPU: 5 PID: 2573 at lib/refcount.c:31 refcount_warn_saturate+0x13c/0x144 # [ 120.399284] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables tda998x cec drm_kms_helper crct10dif_ce drm smsc # [ 120.411068] CPU: 5 PID: 2573 Comm: cat Tainted: G D W 5.10.226-cip52 #1 # [ 120.419092] Hardware name: ARM Juno development board (r0) (DT) # [ 120.425292] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 120.431580] pc : refcount_warn_saturate+0x13c/0x144 # [ 120.436735] lr : refcount_warn_saturate+0x13c/0x144 # [ 120.441887] sp : ffff8000166dbcc0 # [ 120.445472] x29: ffff8000166dbcc0 x28: ffff000802853100 # [ 120.451074] x27: 0000000000000000 x26: 0000000000000000 # [ 120.456675] x25: ffff8000114db478 x24: ffff8000166dbe20 # [ 120.462275] x23: 0000000000000017 x22: ffff000807343000 # [ 120.467876] x21: ffff8000119f1400 x20: 0000000000000036 # [ 120.473476] x19: ffff8000166dbd04 x18: 0000000000000006 # [ 120.479077] x17: 0000000000000100 x16: 0000000000000000 # [ 120.484677] x15: ffff8000166db7d0 x14: ffff8000966db98a # [ 120.490278] x13: ffff8000166db992 x12: 0000000000000038 # [ 120.495878] x11: 0000000000000030 x10: ffff8000125fc128 # [ 120.501478] x9 : ffff80001012b978 x8 : 00000000ffffefff # [ 120.507079] x7 : ffff8000125fc128 x6 : ffff800012575000 # [ 120.512680] x5 : ffff800012575c88 x4 : ffff00097efb2c68 # [ 120.518280] x3 : 0000000000000000 x2 : 0000000000000000 # [ 120.523881] x1 : 0000000000000000 x0 : ffff000802853100 # [ 120.529481] Call trace: # [ 120.532201] refcount_warn_saturate+0x13c/0x144 # [ 120.537012] __refcount_dec.constprop.0+0x5c/0x6c # [ 120.541995] lkdtm_REFCOUNT_DEC_SATURATED+0x40/0x70 # [ 120.547153] lkdtm_do_action+0x24/0x40 # [ 120.551177] direct_entry+0xc8/0x130 # [ 120.555028] full_proxy_write+0x68/0xbc # [ 120.559140] vfs_write+0xec/0x22c # [ 120.562728] ksys_write+0x78/0x110 # [ 120.566403] __arm64_sys_write+0x24/0x30 # [ 120.570604] el0_svc_common.constprop.0+0x84/0x1e0 # [ 120.575673] do_el0_svc+0x2c/0xa4 # [ 120.579262] el0_svc+0x20/0x30 # [ 120.582591] el0_sync_handler+0xe8/0x114 # [ 120.586788] el0_sync+0x180/0x1c0 # [ 120.590374] irq event stamp: 0 # [ 120.593704] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 120.600256] hardirqs last disabled at (0): [] copy_process+0x5f4/0x1df4 # [ 120.608721] softirqs last enabled at (0): [] copy_process+0x5f4/0x1df4 # [ 120.617182] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 120.623727] ---[ end trace 61925da2c52a7bf9 ]--- # [ 120.628792] 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>[ 121.137411] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED <6>[ 121.143854] lkdtm: attempting bad refcount_dec() from saturated <4>[ 121.150114] ------------[ cut here ]------------ <4>[ 121.155059] refcount_t: saturated; leaking memory. <4>[ 121.160255] WARNING: CPU: 5 PID: 2609 at lib/refcount.c:22 refcount_warn_saturate+0x74/0x144 <4>[ 121.168978] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables tda998x cec drm_kms_helper crct10dif_ce drm smsc <4>[ 121.180762] CPU: 5 PID: 2609 Comm: cat Tainted: G D W 5.10.226-cip52 #1 <4>[ 121.188786] Hardware name: ARM Juno development board (r0) (DT) <4>[ 121.194986] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 121.201274] pc : refcount_warn_saturate+0x74/0x144 <4>[ 121.206342] lr : refcount_warn_saturate+0x74/0x144 <4>[ 121.211406] sp : ffff800016783cd0 <4>[ 121.214992] x29: ffff800016783cd0 x28: ffff0008089e0000 <4>[ 121.220593] x27: 0000000000000000 x26: 0000000000000000 <4>[ 121.226194] x25: ffff8000114db478 x24: ffff800016783e20 <4>[ 121.231795] x23: 0000000000000017 x22: ffff00080414d000 <4>[ 121.237396] x21: ffff8000119f1418 x20: 0000000000000037 <4>[ 121.242996] x19: ffff8000114db7f8 x18: 0000000000000006 <4>[ 121.248597] x17: 0000000000000100 x16: 0000000000000000 <4>[ 121.254197] x15: ffff8000167837e0 x14: ffff80009678399a <4>[ 121.259798] x13: ffff8000167839a2 x12: 0000000000000038 <4>[ 121.265398] x11: 0000000000000030 x10: ffff8000125fc128 <4>[ 121.270998] x9 : ffff80001012b978 x8 : 00000000ffffefff <4>[ 121.276599] x7 : ffff8000125fc128 x6 : ffff800012575000 <4>[ 121.282199] x5 : ffff800012575c88 x4 : ffff00097efb2c68 <4>[ 121.287800] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 121.293400] x1 : 0000000000000000 x0 : ffff0008089e0000 <4>[ 121.299000] Call trace: <4>[ 121.301720] refcount_warn_saturate+0x74/0x144 <4>[ 121.306444] __refcount_add.constprop.0+0x74/0x80 <4>[ 121.311429] lkdtm_REFCOUNT_ADD_SATURATED+0x44/0x74 <4>[ 121.316586] lkdtm_do_action+0x24/0x40 <4>[ 121.320610] direct_entry+0xc8/0x130 <4>[ 121.324461] full_proxy_write+0x68/0xbc <4>[ 121.328573] vfs_write+0xec/0x22c <4>[ 121.332162] ksys_write+0x78/0x110 <4>[ 121.335837] __arm64_sys_write+0x24/0x30 <4>[ 121.340038] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 121.345107] do_el0_svc+0x2c/0xa4 <4>[ 121.348696] el0_svc+0x20/0x30 <4>[ 121.352025] el0_sync_handler+0xe8/0x114 <4>[ 121.356223] el0_sync+0x180/0x1c0 <4>[ 121.359809] irq event stamp: 0 <4>[ 121.363140] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 121.369691] hardirqs last disabled at (0): [] copy_process+0x5f4/0x1df4 <4>[ 121.378156] softirqs last enabled at (0): [] copy_process+0x5f4/0x1df4 <4>[ 121.386618] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 121.393162] ---[ end trace 61925da2c52a7bfa ]--- <6>[ 121.398281] lkdtm: Saturation detected: still saturated # [ 121.137411] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 121.143854] lkdtm: attempting bad refcount_dec() from saturated # [ 121.150114] ------------[ cut here ]------------ # [ 121.155059] refcount_t: saturated; leaking memory. # [ 121.160255] WARNING: CPU: 5 PID: 2609 at lib/refcount.c:22 refcount_warn_saturate+0x74/0x144 # [ 121.168978] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables tda998x cec drm_kms_helper crct10dif_ce drm smsc # [ 121.180762] CPU: 5 PID: 2609 Comm: cat Tainted: G D W 5.10.226-cip52 #1 # [ 121.188786] Hardware name: ARM Juno development board (r0) (DT) # [ 121.194986] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 121.201274] pc : refcount_warn_saturate+0x74/0x144 # [ 121.206342] lr : refcount_warn_saturate+0x74/0x144 # [ 121.211406] sp : ffff800016783cd0 # [ 121.214992] x29: ffff800016783cd0 x28: ffff0008089e0000 # [ 121.220593] x27: 0000000000000000 x26: 0000000000000000 # [ 121.226194] x25: ffff8000114db478 x24: ffff800016783e20 # [ 121.231795] x23: 0000000000000017 x22: ffff00080414d000 # [ 121.237396] x21: ffff8000119f1418 x20: 0000000000000037 # [ 121.242996] x19: ffff8000114db7f8 x18: 0000000000000006 # [ 121.248597] x17: 0000000000000100 x16: 0000000000000000 # [ 121.254197] x15: ffff8000167837e0 x14: ffff80009678399a # [ 121.259798] x13: ffff8000167839a2 x12: 0000000000000038 # [ 121.265398] x11: 0000000000000030 x10: ffff8000125fc128 # [ 121.270998] x9 : ffff80001012b978 x8 : 00000000ffffefff # [ 121.276599] x7 : ffff8000125fc128 x6 : ffff800012575000 # [ 121.282199] x5 : ffff800012575c88 x4 : ffff00097efb2c68 # [ 121.287800] x3 : 0000000000000000 x2 : 0000000000000000 # [ 121.293400] x1 : 0000000000000000 x0 : ffff0008089e0000 # [ 121.299000] Call trace: # [ 121.301720] refcount_warn_saturate+0x74/0x144 # [ 121.306444] __refcount_add.constprop.0+0x74/0x80 # [ 121.311429] lkdtm_REFCOUNT_ADD_SATURATED+0x44/0x74 # [ 121.316586] lkdtm_do_action+0x24/0x40 # [ 121.320610] direct_entry+0xc8/0x130 # [ 121.324461] full_proxy_write+0x68/0xbc # [ 121.328573] vfs_write+0xec/0x22c # [ 121.332162] ksys_write+0x78/0x110 # [ 121.335837] __arm64_sys_write+0x24/0x30 # [ 121.340038] el0_svc_common.constprop.0+0x84/0x1e0 # [ 121.345107] do_el0_svc+0x2c/0xa4 # [ 121.348696] el0_svc+0x20/0x30 # [ 121.352025] el0_sync_handler+0xe8/0x114 # [ 121.356223] el0_sync+0x180/0x1c0 # [ 121.359809] irq event stamp: 0 # [ 121.363140] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 121.369691] hardirqs last disabled at (0): [] copy_process+0x5f4/0x1df4 # [ 121.378156] softirqs last enabled at (0): [] copy_process+0x5f4/0x1df4 # [ 121.386618] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 121.393162] ---[ end trace 61925da2c52a7bfa ]--- # [ 121.398281] 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>[ 121.901188] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED <6>[ 121.908488] lkdtm: attempting bad refcount_inc_not_zero() from saturated <4>[ 121.915562] ------------[ cut here ]------------ <4>[ 121.920514] refcount_t: saturated; leaking memory. <4>[ 121.925709] WARNING: CPU: 3 PID: 2642 at lib/refcount.c:19 refcount_warn_saturate+0x9c/0x144 <4>[ 121.934431] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables tda998x cec drm_kms_helper crct10dif_ce drm smsc <4>[ 121.946215] CPU: 3 PID: 2642 Comm: cat Tainted: G D W 5.10.226-cip52 #1 <4>[ 121.954239] Hardware name: ARM Juno development board (r0) (DT) <4>[ 121.960439] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 121.966726] pc : refcount_warn_saturate+0x9c/0x144 <4>[ 121.971794] lr : refcount_warn_saturate+0x9c/0x144 <4>[ 121.976859] sp : ffff800016823cb0 <4>[ 121.980444] x29: ffff800016823cb0 x28: ffff0008089db100 <4>[ 121.986046] x27: 0000000000000000 x26: 0000000000000000 <4>[ 121.991647] x25: ffff8000114db478 x24: ffff800016823e20 <4>[ 121.997247] x23: 0000000000000020 x22: 00000000c0000001 <4>[ 122.002848] x21: 00000000c0000000 x20: 00000000c0000000 <4>[ 122.008448] x19: ffff800016823d04 x18: 0000000000000006 <4>[ 122.014049] x17: 0000000000000100 x16: 0000000000000000 <4>[ 122.019649] x15: ffff8000168237c0 x14: ffff80009682397a <4>[ 122.025250] x13: ffff800016823982 x12: 0000000000000000 <4>[ 122.030850] x11: 0000000000000038 x10: ffff8000125fc128 <4>[ 122.036451] x9 : ffff80001012b978 x8 : 00000000ffffefff <4>[ 122.042054] x7 : ffff8000125fc128 x6 : ffff800012575000 <4>[ 122.047655] x5 : ffff800012575c88 x4 : ffff00097ef6ec68 <4>[ 122.053255] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 122.058855] x1 : 0000000000000000 x0 : ffff0008089db100 <4>[ 122.064456] Call trace: <4>[ 122.067176] refcount_warn_saturate+0x9c/0x144 <4>[ 122.071899] __refcount_add_not_zero.constprop.0+0xa0/0xc0 <4>[ 122.077666] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x44/0x88 <4>[ 122.083607] lkdtm_do_action+0x24/0x40 <4>[ 122.087632] direct_entry+0xc8/0x130 <4>[ 122.091482] full_proxy_write+0x68/0xbc <4>[ 122.095595] vfs_write+0xec/0x22c <4>[ 122.099183] ksys_write+0x78/0x110 <4>[ 122.102859] __arm64_sys_write+0x24/0x30 <4>[ 122.107060] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 122.112128] do_el0_svc+0x2c/0xa4 <4>[ 122.115717] el0_svc+0x20/0x30 <4>[ 122.119046] el0_sync_handler+0xe8/0x114 <4>[ 122.123243] el0_sync+0x180/0x1c0 <4>[ 122.126829] irq event stamp: 0 <4>[ 122.130158] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 122.136710] hardirqs last disabled at (0): [] copy_process+0x5f4/0x1df4 <4>[ 122.145175] softirqs last enabled at (0): [] copy_process+0x5f4/0x1df4 <4>[ 122.153636] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 122.160180] ---[ end trace 61925da2c52a7bfb ]--- <6>[ 122.165347] lkdtm: Saturation detected: still saturated # [ 121.901188] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 121.908488] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 121.915562] ------------[ cut here ]------------ # [ 121.920514] refcount_t: saturated; leaking memory. # [ 121.925709] WARNING: CPU: 3 PID: 2642 at lib/refcount.c:19 refcount_warn_saturate+0x9c/0x144 # [ 121.934431] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables tda998x cec drm_kms_helper crct10dif_ce drm smsc # [ 121.946215] CPU: 3 PID: 2642 Comm: cat Tainted: G D W 5.10.226-cip52 #1 # [ 121.954239] Hardware name: ARM Juno development board (r0) (DT) # [ 121.960439] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 121.966726] pc : refcount_warn_saturate+0x9c/0x144 # [ 121.971794] lr : refcount_warn_saturate+0x9c/0x144 # [ 121.976859] sp : ffff800016823cb0 # [ 121.980444] x29: ffff800016823cb0 x28: ffff0008089db100 # [ 121.986046] x27: 0000000000000000 x26: 0000000000000000 # [ 121.991647] x25: ffff8000114db478 x24: ffff800016823e20 # [ 121.997247] x23: 0000000000000020 x22: 00000000c0000001 # [ 122.002848] x21: 00000000c0000000 x20: 00000000c0000000 # [ 122.008448] x19: ffff800016823d04 x18: 0000000000000006 # [ 122.014049] x17: 0000000000000100 x16: 0000000000000000 # [ 122.019649] x15: ffff8000168237c0 x14: ffff80009682397a # [ 122.025250] x13: ffff800016823982 x12: 0000000000000000 # [ 122.030850] x11: 0000000000000038 x10: ffff8000125fc128 # [ 122.036451] x9 : ffff80001012b978 x8 : 00000000ffffefff # [ 122.042054] x7 : ffff8000125fc128 x6 : ffff800012575000 # [ 122.047655] x5 : ffff800012575c88 x4 : ffff00097ef6ec68 # [ 122.053255] x3 : 0000000000000000 x2 : 0000000000000000 # [ 122.058855] x1 : 0000000000000000 x0 : ffff0008089db100 # [ 122.064456] Call trace: # [ 122.067176] refcount_warn_saturate+0x9c/0x144 # [ 122.071899] __refcount_add_not_zero.constprop.0+0xa0/0xc0 # [ 122.077666] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x44/0x88 # [ 122.083607] lkdtm_do_action+0x24/0x40 # [ 122.087632] direct_entry+0xc8/0x130 # [ 122.091482] full_proxy_write+0x68/0xbc # [ 122.095595] vfs_write+0xec/0x22c # [ 122.099183] ksys_write+0x78/0x110 # [ 122.102859] __arm64_sys_write+0x24/0x30 # [ 122.107060] el0_svc_common.constprop.0+0x84/0x1e0 # [ 122.112128] do_el0_svc+0x2c/0xa4 # [ 122.115717] el0_svc+0x20/0x30 # [ 122.119046] el0_sync_handler+0xe8/0x114 # [ 122.123243] el0_sync+0x180/0x1c0 # [ 122.126829] irq event stamp: 0 # [ 122.130158] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 122.136710] hardirqs last disabled at (0): [] copy_process+0x5f4/0x1df4 # [ 122.145175] softirqs last enabled at (0): [] copy_process+0x5f4/0x1df4 # [ 122.153636] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 122.160180] ---[ end trace 61925da2c52a7bfb ]--- # [ 122.165347] 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>[ 122.669525] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED <6>[ 122.676753] lkdtm: attempting bad refcount_add_not_zero() from saturated <4>[ 122.683789] ------------[ cut here ]------------ <4>[ 122.688729] refcount_t: saturated; leaking memory. <4>[ 122.693987] WARNING: CPU: 5 PID: 2675 at lib/refcount.c:19 refcount_warn_saturate+0x9c/0x144 <4>[ 122.702710] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables tda998x cec drm_kms_helper crct10dif_ce drm smsc <4>[ 122.714494] CPU: 5 PID: 2675 Comm: cat Tainted: G D W 5.10.226-cip52 #1 <4>[ 122.722518] Hardware name: ARM Juno development board (r0) (DT) <4>[ 122.728718] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 122.735006] pc : refcount_warn_saturate+0x9c/0x144 <4>[ 122.740074] lr : refcount_warn_saturate+0x9c/0x144 <4>[ 122.745138] sp : ffff8000168d3cb0 <4>[ 122.748724] x29: ffff8000168d3cb0 x28: ffff000805aa9880 <4>[ 122.754325] x27: 0000000000000000 x26: 0000000000000000 <4>[ 122.759926] x25: ffff8000114db478 x24: ffff8000168d3e20 <4>[ 122.765526] x23: 0000000000000020 x22: 00000000c0000007 <4>[ 122.771127] x21: 00000000c0000000 x20: 00000000c0000000 <4>[ 122.776728] x19: ffff8000168d3d04 x18: 0000000000000006 <4>[ 122.782328] x17: 0000000000000100 x16: 0000000000000000 <4>[ 122.787929] x15: ffff8000168d37c0 x14: ffff8000968d397a <4>[ 122.793529] x13: ffff8000168d3982 x12: 0002c28d4d81051c <4>[ 122.799130] x11: 000000000002d206 x10: 0000000000001440 <4>[ 122.804731] x9 : ffff80001012b978 x8 : ffff000805aaad20 <4>[ 122.810331] x7 : ffff000806c01400 x6 : ffff800012575000 <4>[ 122.815932] x5 : ffff800012575c88 x4 : ffff00097efb2c68 <4>[ 122.821532] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 122.827132] x1 : 0000000000000000 x0 : ffff000805aa9880 <4>[ 122.832733] Call trace: <4>[ 122.835453] refcount_warn_saturate+0x9c/0x144 <4>[ 122.840178] __refcount_add_not_zero.constprop.0+0xa0/0xc0 <4>[ 122.845944] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x44/0x88 <4>[ 122.851885] lkdtm_do_action+0x24/0x40 <4>[ 122.855910] direct_entry+0xc8/0x130 <4>[ 122.859761] full_proxy_write+0x68/0xbc <4>[ 122.863873] vfs_write+0xec/0x22c <4>[ 122.867462] ksys_write+0x78/0x110 <4>[ 122.871137] __arm64_sys_write+0x24/0x30 <4>[ 122.875338] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 122.880407] do_el0_svc+0x2c/0xa4 <4>[ 122.883995] el0_svc+0x20/0x30 <4>[ 122.887324] el0_sync_handler+0xe8/0x114 <4>[ 122.891522] el0_sync+0x180/0x1c0 <4>[ 122.895108] irq event stamp: 0 <4>[ 122.898438] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 122.904990] hardirqs last disabled at (0): [] copy_process+0x5f4/0x1df4 <4>[ 122.913454] softirqs last enabled at (0): [] copy_process+0x5f4/0x1df4 <4>[ 122.921916] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 122.928461] ---[ end trace 61925da2c52a7bfc ]--- <6>[ 122.933562] lkdtm: Saturation detected: still saturated # [ 122.669525] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 122.676753] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 122.683789] ------------[ cut here ]------------ # [ 122.688729] refcount_t: saturated; leaking memory. # [ 122.693987] WARNING: CPU: 5 PID: 2675 at lib/refcount.c:19 refcount_warn_saturate+0x9c/0x144 # [ 122.702710] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables tda998x cec drm_kms_helper crct10dif_ce drm smsc # [ 122.714494] CPU: 5 PID: 2675 Comm: cat Tainted: G D W 5.10.226-cip52 #1 # [ 122.722518] Hardware name: ARM Juno development board (r0) (DT) # [ 122.728718] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 122.735006] pc : refcount_warn_saturate+0x9c/0x144 # [ 122.740074] lr : refcount_warn_saturate+0x9c/0x144 # [ 122.745138] sp : ffff8000168d3cb0 # [ 122.748724] x29: ffff8000168d3cb0 x28: ffff000805aa9880 # [ 122.754325] x27: 0000000000000000 x26: 0000000000000000 # [ 122.759926] x25: ffff8000114db478 x24: ffff8000168d3e20 # [ 122.765526] x23: 0000000000000020 x22: 00000000c0000007 # [ 122.771127] x21: 00000000c0000000 x20: 00000000c0000000 # [ 122.776728] x19: ffff8000168d3d04 x18: 0000000000000006 # [ 122.782328] x17: 0000000000000100 x16: 0000000000000000 # [ 122.787929] x15: ffff8000168d37c0 x14: ffff8000968d397a # [ 122.793529] x13: ffff8000168d3982 x12: 0002c28d4d81051c # [ 122.799130] x11: 000000000002d206 x10: 0000000000001440 # [ 122.804731] x9 : ffff80001012b978 x8 : ffff000805aaad20 # [ 122.810331] x7 : ffff000806c01400 x6 : ffff800012575000 # [ 122.815932] x5 : ffff800012575c88 x4 : ffff00097efb2c68 # [ 122.821532] x3 : 0000000000000000 x2 : 0000000000000000 # [ 122.827132] x1 : 0000000000000000 x0 : ffff000805aa9880 # [ 122.832733] Call trace: # [ 122.835453] refcount_warn_saturate+0x9c/0x144 # [ 122.840178] __refcount_add_not_zero.constprop.0+0xa0/0xc0 # [ 122.845944] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x44/0x88 # [ 122.851885] lkdtm_do_action+0x24/0x40 # [ 122.855910] direct_entry+0xc8/0x130 # [ 122.859761] full_proxy_write+0x68/0xbc # [ 122.863873] vfs_write+0xec/0x22c # [ 122.867462] ksys_write+0x78/0x110 # [ 122.871137] __arm64_sys_write+0x24/0x30 # [ 122.875338] el0_svc_common.constprop.0+0x84/0x1e0 # [ 122.880407] do_el0_svc+0x2c/0xa4 # [ 122.883995] el0_svc+0x20/0x30 # [ 122.887324] el0_sync_handler+0xe8/0x114 # [ 122.891522] el0_sync+0x180/0x1c0 # [ 122.895108] irq event stamp: 0 # [ 122.898438] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 122.904990] hardirqs last disabled at (0): [] copy_process+0x5f4/0x1df4 # [ 122.913454] softirqs last enabled at (0): [] copy_process+0x5f4/0x1df4 # [ 122.921916] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 122.928461] ---[ end trace 61925da2c52a7bfc ]--- # [ 122.933562] 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>[ 123.503897] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED <6>[ 123.511139] lkdtm: attempting bad refcount_dec_and_test() from saturated <4>[ 123.518182] ------------[ cut here ]------------ <4>[ 123.523126] refcount_t: underflow; use-after-free. <4>[ 123.528385] WARNING: CPU: 0 PID: 2711 at lib/refcount.c:28 refcount_warn_saturate+0xf4/0x144 <4>[ 123.537107] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables tda998x cec drm_kms_helper crct10dif_ce drm smsc <4>[ 123.548891] CPU: 0 PID: 2711 Comm: cat Tainted: G D W 5.10.226-cip52 #1 <4>[ 123.556916] Hardware name: ARM Juno development board (r0) (DT) <4>[ 123.563115] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 123.569403] pc : refcount_warn_saturate+0xf4/0x144 <4>[ 123.574472] lr : refcount_warn_saturate+0xf4/0x144 <4>[ 123.579536] sp : ffff80001696bcd0 <4>[ 123.583122] x29: ffff80001696bcd0 x28: ffff000802851880 <4>[ 123.588723] x27: 0000000000000000 x26: 0000000000000000 <4>[ 123.594323] x25: ffff8000114db478 x24: ffff80001696be20 <4>[ 123.599924] x23: 0000000000000020 x22: ffff000804173000 <4>[ 123.605525] x21: ffff8000119f1470 x20: 000000000000003a <4>[ 123.611125] x19: ffff8000114db828 x18: 0000000000000006 <4>[ 123.616727] x17: 0000000000000100 x16: 0000000000000000 <4>[ 123.622327] x15: ffff80001696b7e0 x14: ffff80009696b99a <4>[ 123.627928] x13: ffff80001696b9a2 x12: 0000000000000000 <4>[ 123.633528] x11: 0000000000000038 x10: 0000000000001440 <4>[ 123.639129] x9 : ffff80001012b978 x8 : ffff000802852d20 <4>[ 123.644729] x7 : ffff000806c01e00 x6 : ffff800012575000 <4>[ 123.650330] x5 : ffff800012575c88 x4 : ffff00097ef08c68 <4>[ 123.655930] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 123.661530] x1 : 0000000000000000 x0 : ffff000802851880 <4>[ 123.667131] Call trace: <4>[ 123.669851] refcount_warn_saturate+0xf4/0x144 <4>[ 123.674575] __refcount_sub_and_test.constprop.0+0x70/0x80 <4>[ 123.680343] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x44/0x88 <4>[ 123.686283] lkdtm_do_action+0x24/0x40 <4>[ 123.690307] direct_entry+0xc8/0x130 <4>[ 123.694158] full_proxy_write+0x68/0xbc <4>[ 123.698270] vfs_write+0xec/0x22c <4>[ 123.701858] ksys_write+0x78/0x110 <4>[ 123.705533] __arm64_sys_write+0x24/0x30 <4>[ 123.709734] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 123.714803] do_el0_svc+0x2c/0xa4 <4>[ 123.718392] el0_svc+0x20/0x30 <4>[ 123.721720] el0_sync_handler+0xe8/0x114 <4>[ 123.725918] el0_sync+0x180/0x1c0 <4>[ 123.729504] irq event stamp: 0 <4>[ 123.732834] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 123.739386] hardirqs last disabled at (0): [] copy_process+0x5f4/0x1df4 <4>[ 123.747850] softirqs last enabled at (0): [] copy_process+0x5f4/0x1df4 <4>[ 123.756312] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 123.762856] ---[ end trace 61925da2c52a7bfd ]--- <6>[ 123.768433] lkdtm: Saturation detected: still saturated # [ 123.503897] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 123.511139] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 123.518182] ------------[ cut here ]------------ # [ 123.523126] refcount_t: underflow; use-after-free. # [ 123.528385] WARNING: CPU: 0 PID: 2711 at lib/refcount.c:28 refcount_warn_saturate+0xf4/0x144 # [ 123.537107] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables tda998x cec drm_kms_helper crct10dif_ce drm smsc # [ 123.548891] CPU: 0 PID: 2711 Comm: cat Tainted: G D W 5.10.226-cip52 #1 # [ 123.556916] Hardware name: ARM Juno development board (r0) (DT) # [ 123.563115] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 123.569403] pc : refcount_warn_saturate+0xf4/0x144 # [ 123.574472] lr : refcount_warn_saturate+0xf4/0x144 # [ 123.579536] sp : ffff80001696bcd0 # [ 123.583122] x29: ffff80001696bcd0 x28: ffff000802851880 # [ 123.588723] x27: 0000000000000000 x26: 0000000000000000 # [ 123.594323] x25: ffff8000114db478 x24: ffff80001696be20 # [ 123.599924] x23: 0000000000000020 x22: ffff000804173000 # [ 123.605525] x21: ffff8000119f1470 x20: 000000000000003a # [ 123.611125] x19: ffff8000114db828 x18: 0000000000000006 # [ 123.616727] x17: 0000000000000100 x16: 0000000000000000 # [ 123.622327] x15: ffff80001696b7e0 x14: ffff80009696b99a # [ 123.627928] x13: ffff80001696b9a2 x12: 0000000000000000 # [ 123.633528] x11: 0000000000000038 x10: 0000000000001440 # [ 123.639129] x9 : ffff80001012b978 x8 : ffff000802852d20 # [ 123.644729] x7 : ffff000806c01e00 x6 : ffff800012575000 # [ 123.650330] x5 : ffff800012575c88 x4 : ffff00097ef08c68 # [ 123.655930] x3 : 0000000000000000 x2 : 0000000000000000 # [ 123.661530] x1 : 0000000000000000 x0 : ffff000802851880 # [ 123.667131] Call trace: # [ 123.669851] refcount_warn_saturate+0xf4/0x144 # [ 123.674575] __refcount_sub_and_test.constprop.0+0x70/0x80 # [ 123.680343] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x44/0x88 # [ 123.686283] lkdtm_do_action+0x24/0x40 # [ 123.690307] direct_entry+0xc8/0x130 # [ 123.694158] full_proxy_write+0x68/0xbc # [ 123.698270] vfs_write+0xec/0x22c # [ 123.701858] ksys_write+0x78/0x110 # [ 123.705533] __arm64_sys_write+0x24/0x30 # [ 123.709734] el0_svc_common.constprop.0+0x84/0x1e0 # [ 123.714803] do_el0_svc+0x2c/0xa4 # [ 123.718392] el0_svc+0x20/0x30 # [ 123.721720] el0_sync_handler+0xe8/0x114 # [ 123.725918] el0_sync+0x180/0x1c0 # [ 123.729504] irq event stamp: 0 # [ 123.732834] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 123.739386] hardirqs last disabled at (0): [] copy_process+0x5f4/0x1df4 # [ 123.747850] softirqs last enabled at (0): [] copy_process+0x5f4/0x1df4 # [ 123.756312] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 123.762856] ---[ end trace 61925da2c52a7bfd ]--- # [ 123.768433] 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>[ 124.277094] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED <6>[ 124.284308] lkdtm: attempting bad refcount_sub_and_test() from saturated <4>[ 124.291349] ------------[ cut here ]------------ <4>[ 124.296294] refcount_t: underflow; use-after-free. <4>[ 124.301550] WARNING: CPU: 0 PID: 2747 at lib/refcount.c:28 refcount_warn_saturate+0xf4/0x144 <4>[ 124.310273] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables tda998x cec drm_kms_helper crct10dif_ce drm smsc <4>[ 124.322057] CPU: 0 PID: 2747 Comm: cat Tainted: G D W 5.10.226-cip52 #1 <4>[ 124.330080] Hardware name: ARM Juno development board (r0) (DT) <4>[ 124.336280] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 124.342570] pc : refcount_warn_saturate+0xf4/0x144 <4>[ 124.347638] lr : refcount_warn_saturate+0xf4/0x144 <4>[ 124.352702] sp : ffff800016a2bcd0 <4>[ 124.356287] x29: ffff800016a2bcd0 x28: ffff0008089d8000 <4>[ 124.361889] x27: 0000000000000000 x26: 0000000000000000 <4>[ 124.367490] x25: ffff8000114db478 x24: ffff800016a2be20 <4>[ 124.373090] x23: 0000000000000020 x22: ffff000803fab000 <4>[ 124.378690] x21: ffff8000119f1490 x20: 000000000000003b <4>[ 124.384291] x19: ffff8000114db838 x18: 0000000000000006 <4>[ 124.389891] x17: 0000000000000100 x16: 0000000000000000 <4>[ 124.395491] x15: ffff800016a2b7e0 x14: ffff800096a2b99a <4>[ 124.401092] x13: ffff800016a2b9a2 x12: 0000000000000000 <4>[ 124.406692] x11: 0000000000000038 x10: 0000000000001440 <4>[ 124.412293] x9 : ffff80001012b978 x8 : ffff0008089d94a0 <4>[ 124.417893] x7 : ffff000806c01e00 x6 : ffff800012575000 <4>[ 124.423494] x5 : ffff800012575c88 x4 : ffff00097ef08c68 <4>[ 124.429094] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 124.434694] x1 : 0000000000000000 x0 : ffff0008089d8000 <4>[ 124.440295] Call trace: <4>[ 124.443015] refcount_warn_saturate+0xf4/0x144 <4>[ 124.447740] __refcount_sub_and_test.constprop.0+0x70/0x80 <4>[ 124.453508] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x44/0x88 <4>[ 124.459447] lkdtm_do_action+0x24/0x40 <4>[ 124.463471] direct_entry+0xc8/0x130 <4>[ 124.467322] full_proxy_write+0x68/0xbc <4>[ 124.471434] vfs_write+0xec/0x22c <4>[ 124.475023] ksys_write+0x78/0x110 <4>[ 124.478698] __arm64_sys_write+0x24/0x30 <4>[ 124.482900] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 124.487968] do_el0_svc+0x2c/0xa4 <4>[ 124.491557] el0_svc+0x20/0x30 <4>[ 124.494886] el0_sync_handler+0xe8/0x114 <4>[ 124.499084] el0_sync+0x180/0x1c0 <4>[ 124.502670] irq event stamp: 0 <4>[ 124.506000] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 124.512551] hardirqs last disabled at (0): [] copy_process+0x5f4/0x1df4 <4>[ 124.521016] softirqs last enabled at (0): [] copy_process+0x5f4/0x1df4 <4>[ 124.529478] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 124.536022] ---[ end trace 61925da2c52a7bfe ]--- <6>[ 124.541344] lkdtm: Saturation detected: still saturated # [ 124.277094] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 124.284308] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 124.291349] ------------[ cut here ]------------ # [ 124.296294] refcount_t: underflow; use-after-free. # [ 124.301550] WARNING: CPU: 0 PID: 2747 at lib/refcount.c:28 refcount_warn_saturate+0xf4/0x144 # [ 124.310273] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables tda998x cec drm_kms_helper crct10dif_ce drm smsc # [ 124.322057] CPU: 0 PID: 2747 Comm: cat Tainted: G D W 5.10.226-cip52 #1 # [ 124.330080] Hardware name: ARM Juno development board (r0) (DT) # [ 124.336280] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 124.342570] pc : refcount_warn_saturate+0xf4/0x144 # [ 124.347638] lr : refcount_warn_saturate+0xf4/0x144 # [ 124.352702] sp : ffff800016a2bcd0 # [ 124.356287] x29: ffff800016a2bcd0 x28: ffff0008089d8000 # [ 124.361889] x27: 0000000000000000 x26: 0000000000000000 # [ 124.367490] x25: ffff8000114db478 x24: ffff800016a2be20 # [ 124.373090] x23: 0000000000000020 x22: ffff000803fab000 # [ 124.378690] x21: ffff8000119f1490 x20: 000000000000003b # [ 124.384291] x19: ffff8000114db838 x18: 0000000000000006 # [ 124.389891] x17: 0000000000000100 x16: 0000000000000000 # [ 124.395491] x15: ffff800016a2b7e0 x14: ffff800096a2b99a # [ 124.401092] x13: ffff800016a2b9a2 x12: 0000000000000000 # [ 124.406692] x11: 0000000000000038 x10: 0000000000001440 # [ 124.412293] x9 : ffff80001012b978 x8 : ffff0008089d94a0 # [ 124.417893] x7 : ffff000806c01e00 x6 : ffff800012575000 # [ 124.423494] x5 : ffff800012575c88 x4 : ffff00097ef08c68 # [ 124.429094] x3 : 0000000000000000 x2 : 0000000000000000 # [ 124.434694] x1 : 0000000000000000 x0 : ffff0008089d8000 # [ 124.440295] Call trace: # [ 124.443015] refcount_warn_saturate+0xf4/0x144 # [ 124.447740] __refcount_sub_and_test.constprop.0+0x70/0x80 # [ 124.453508] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x44/0x88 # [ 124.459447] lkdtm_do_action+0x24/0x40 # [ 124.463471] direct_entry+0xc8/0x130 # [ 124.467322] full_proxy_write+0x68/0xbc # [ 124.471434] vfs_write+0xec/0x22c # [ 124.475023] ksys_write+0x78/0x110 # [ 124.478698] __arm64_sys_write+0x24/0x30 # [ 124.482900] el0_svc_common.constprop.0+0x84/0x1e0 # [ 124.487968] do_el0_svc+0x2c/0xa4 # [ 124.491557] el0_svc+0x20/0x30 # [ 124.494886] el0_sync_handler+0xe8/0x114 # [ 124.499084] el0_sync+0x180/0x1c0 # [ 124.502670] irq event stamp: 0 # [ 124.506000] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 124.512551] hardirqs last disabled at (0): [] copy_process+0x5f4/0x1df4 # [ 124.521016] softirqs last enabled at (0): [] copy_process+0x5f4/0x1df4 # [ 124.529478] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 124.536022] ---[ end trace 61925da2c52a7bfe ]--- # [ 124.541344] 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>[ 125.550383] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO <6>[ 125.556760] lkdtm: attempting good copy_to_user of correct size <6>[ 125.563068] lkdtm: attempting bad copy_to_user of too large size # [ 125.550383] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 125.556760] lkdtm: attempting good copy_to_user of correct size # [ 125.563068] 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>[ 126.073370] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM <6>[ 126.079919] lkdtm: attempting good copy_from_user of correct size <6>[ 126.086368] lkdtm: attempting bad copy_from_user of too large size # [ 126.073370] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 126.079919] lkdtm: attempting good copy_from_user of correct size # [ 126.086368] 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>[ 126.601637] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO <6>[ 126.608454] lkdtm: attempting good copy_to_user inside whitelist <6>[ 126.614909] lkdtm: attempting bad copy_to_user outside whitelist # [ 126.601637] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 126.608454] lkdtm: attempting good copy_to_user inside whitelist # [ 126.614909] 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>[ 127.135483] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM <6>[ 127.142580] lkdtm: attempting good copy_from_user inside whitelist <6>[ 127.149190] lkdtm: attempting bad copy_from_user outside whitelist # [ 127.135483] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 127.142580] lkdtm: attempting good copy_from_user inside whitelist # [ 127.149190] 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>[ 127.650179] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO <6>[ 127.656713] lkdtm: good_stack: ffff800016e4bcd8-ffff800016e4bcf8 <6>[ 127.663127] lkdtm: bad_stack : ffff800016e4bc28-ffff800016e4bc48 <6>[ 127.669512] lkdtm: attempting good copy_to_user of local stack <6>[ 127.675756] lkdtm: attempting bad copy_to_user of distant stack # [ 127.650179] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 127.656713] lkdtm: good_stack: ffff800016e4bcd8-ffff800016e4bcf8 # [ 127.663127] lkdtm: bad_stack : ffff800016e4bc28-ffff800016e4bc48 # [ 127.669512] lkdtm: attempting good copy_to_user of local stack # [ 127.675756] 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>[ 128.179889] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM <6>[ 128.186691] lkdtm: good_stack: ffff800016efbcd8-ffff800016efbcf8 <6>[ 128.193106] lkdtm: bad_stack : ffff800016efbc28-ffff800016efbc48 <6>[ 128.199601] lkdtm: attempting good copy_from_user of local stack <6>[ 128.205953] lkdtm: attempting bad copy_from_user of distant stack # [ 128.179889] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 128.186691] lkdtm: good_stack: ffff800016efbcd8-ffff800016efbcf8 # [ 128.193106] lkdtm: bad_stack : ffff800016efbc28-ffff800016efbc48 # [ 128.199601] lkdtm: attempting good copy_from_user of local stack # [ 128.205953] 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>[ 128.720493] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND <6>[ 128.726879] lkdtm: good_stack: ffff800016fabcd8-ffff800016fabcf8 <6>[ 128.733289] lkdtm: bad_stack : ffff800016fabff8-ffff800016fac018 <6>[ 128.739674] lkdtm: attempting good copy_to_user of local stack <6>[ 128.745983] lkdtm: attempting bad copy_to_user of distant stack <1>[ 128.752252] Unable to handle kernel paging request at virtual address ffff800016fac000 <1>[ 128.760576] Mem abort info: <1>[ 128.763648] ESR = 0x96000007 <1>[ 128.767036] EC = 0x25: DABT (current EL), IL = 32 bits <1>[ 128.772645] SET = 0, FnV = 0 <1>[ 128.775971] EA = 0, S1PTW = 0 <1>[ 128.779398] Data abort info: <1>[ 128.782568] ISV = 0, ISS = 0x00000007 <1>[ 128.786696] CM = 0, WnR = 0 <1>[ 128.789956] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081db0000 <1>[ 128.796957] [ffff800016fac000] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=000000088359e003, pte=0000000000000000 <0>[ 128.809838] Internal error: Oops: 0000000096000007 [#16] PREEMPT SMP <4>[ 128.816467] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables tda998x cec drm_kms_helper crct10dif_ce drm smsc <4>[ 128.828225] CPU: 1 PID: 3050 Comm: cat Tainted: G D W 5.10.226-cip52 #1 <4>[ 128.836250] Hardware name: ARM Juno development board (r0) (DT) <4>[ 128.842447] pstate: 80000005 (Nzcv daif -PAN -UAO -TCO BTYPE=--) <4>[ 128.848742] pc : __arch_copy_to_user+0xa0/0x310 <4>[ 128.853554] lr : _copy_to_user+0x6c/0x94 <4>[ 128.857749] sp : ffff800016fabc60 <4>[ 128.861330] x29: ffff800016fabc60 x28: ffff000800c00000 <4>[ 128.866924] x27: 0000000000000000 x26: 0000000000000000 <4>[ 128.872523] x25: ffff8000114db478 x24: ffff800016fabe20 <4>[ 128.878116] x23: 0000ffff9aaa3000 x22: ffff800016fabff8 <4>[ 128.883708] x21: ffff800016fabff8 x20: 0000ffff9aaa3000 <4>[ 128.889300] x19: 0000000000000020 x18: 0000000000000006 <4>[ 128.894896] x17: 0000000000000100 x16: 0000000000000000 <4>[ 128.900488] x15: ffff800016fabff8 x14: ffff800096fab99a <4>[ 128.906080] x13: ffff800016fab9a2 x12: 0000000000000030 <4>[ 128.911672] x11: ffff800012650000 x10: ffff8000125fc128 <4>[ 128.917264] x9 : ffff8000100dd810 x8 : 00000000ffffefff <4>[ 128.922856] x7 : ffff8000125fc128 x6 : 0000ffff9aaa3008 <4>[ 128.928451] x5 : 0000ffff9aaa3020 x4 : 0000000000000008 <4>[ 128.934043] x3 : 0000000000000010 x2 : 0000000000000018 <4>[ 128.939635] x1 : ffff800016fac000 x0 : 0000ffff9aaa3000 <4>[ 128.945227] Call trace: <4>[ 128.947943] __arch_copy_to_user+0xa0/0x310 <4>[ 128.952399] do_usercopy_stack+0x2a8/0x2b0 <4>[ 128.956766] lkdtm_USERCOPY_STACK_BEYOND+0x20/0x30 <4>[ 128.961829] lkdtm_do_action+0x24/0x40 <4>[ 128.965847] direct_entry+0xc8/0x130 <4>[ 128.969693] full_proxy_write+0x68/0xbc <4>[ 128.973799] vfs_write+0xec/0x22c <4>[ 128.977382] ksys_write+0x78/0x110 <4>[ 128.981051] __arm64_sys_write+0x24/0x30 <4>[ 128.985246] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 128.990309] do_el0_svc+0x2c/0xa4 <4>[ 128.993892] el0_svc+0x20/0x30 <4>[ 128.997215] el0_sync_handler+0xe8/0x114 <4>[ 129.001406] el0_sync+0x180/0x1c0 <0>[ 129.004993] Code: a8c12027 a88120c7 d503201f d503201f (a8c12027) <4>[ 129.011363] ---[ end trace 61925da2c52a7bff ]--- # Segmentation fault # [ 128.720493] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 128.726879] lkdtm: good_stack: ffff800016fabcd8-ffff800016fabcf8 # [ 128.733289] lkdtm: bad_stack : ffff800016fabff8-ffff800016fac018 # [ 128.739674] lkdtm: attempting good copy_to_user of local stack # [ 128.745983] lkdtm: attempting bad copy_to_user of distant stack # [ 128.752252] Unable to handle kernel paging request at virtual address ffff800016fac000 # [ 128.760576] Mem abort info: # [ 128.763648] ESR = 0x96000007 # [ 128.767036] EC = 0x25: DABT (current EL), IL = 32 bits # [ 128.772645] SET = 0, FnV = 0 # [ 128.775971] EA = 0, S1PTW = 0 # [ 128.779398] Data abort info: # [ 128.782568] ISV = 0, ISS = 0x00000007 # [ 128.786696] CM = 0, WnR = 0 # [ 128.789956] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081db0000 # [ 128.796957] [ffff800016fac000] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=000000088359e003, pte=0000000000000000 # [ 128.809838] Internal error: Oops: 0000000096000007 [#16] PREEMPT SMP # [ 128.816467] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables tda998x cec drm_kms_helper crct10dif_ce drm smsc # [ 128.828225] CPU: 1 PID: 3050 Comm: cat Tainted: G D W 5.10.226-cip52 #1 # [ 128.836250] Hardware name: ARM Juno development board (r0) (DT) # [ 128.842447] pstate: 80000005 (Nzcv daif -PAN -UAO -TCO BTYPE=--) # [ 128.848742] pc : __arch_copy_to_user+0xa0/0x310 # [ 128.853554] lr : _copy_to_user+0x6c/0x94 # [ 128.857749] sp : ffff800016fabc60 # [ 128.861330] x29: ffff800016fabc60 x28: ffff000800c00000 # [ 128.866924] x27: 0000000000000000 x26: 0000000000000000 # [ 128.872523] x25: ffff8000114db478 x24: ffff800016fabe20 # [ 128.878116] x23: 0000ffff9aaa3000 x22: ffff800016fabff8 # [ 128.883708] x21: ffff800016fabff8 x20: 0000ffff9aaa3000 # [ 128.889300] x19: 0000000000000020 x18: 0000000000000006 # [ 128.894896] x17: 0000000000000100 x16: 0000000000000000 # [ 128.900488] x15: ffff800016fabff8 x14: ffff800096fab99a # [ 128.906080] x13: ffff800016fab9a2 x12: 0000000000000030 # [ 128.911672] x11: ffff800012650000 x10: ffff8000125fc128 # [ 128.917264] x9 : ffff8000100dd810 x8 : 00000000ffffefff # [ 128.922856] x7 : ffff8000125fc128 x6 : 0000ffff9aaa3008 # [ 128.928451] x5 : 0000ffff9aaa3020 x4 : 0000000000000008 # [ 128.934043] x3 : 0000000000000010 x2 : 0000000000000018 # [ 128.939635] x1 : ffff800016fac000 x0 : 0000ffff9aaa3000 # [ 128.945227] Call trace: # [ 128.947943] __arch_copy_to_user+0xa0/0x310 # [ 128.952399] do_usercopy_stack+0x2a8/0x2b0 # [ 128.956766] lkdtm_USERCOPY_STACK_BEYOND+0x20/0x30 # [ 128.961829] lkdtm_do_action+0x24/0x40 # [ 128.965847] direct_entry+0xc8/0x130 # [ 128.969693] full_proxy_write+0x68/0xbc # [ 128.973799] vfs_write+0xec/0x22c # [ 128.977382] ksys_write+0x78/0x110 # [ 128.981051] __arm64_sys_write+0x24/0x30 # [ 128.985246] el0_svc_common.constprop.0+0x84/0x1e0 # [ 128.990309] do_el0_svc+0x2c/0xa4 # [ 128.993892] el0_svc+0x20/0x30 # [ 128.997215] el0_sync_handler+0xe8/0x114 # [ 129.001406] el0_sync+0x180/0x1c0 # [ 129.004993] Code: a8c12027 a88120c7 d503201f d503201f (a8c12027) # [ 129.011363] ---[ end trace 61925da2c52a7bff ]--- # USERCOPY_STACK_BEYOND: saw 'call trace:': ok ok 67 selftests: lkdtm: USERCOPY_STACK_BEYOND.sh # selftests: lkdtm: USERCOPY_KERNEL.sh <6>[ 129.551488] lkdtm: Performing direct entry USERCOPY_KERNEL <6>[ 129.557351] lkdtm: attempting good copy_to_user from kernel rodata: ffff8000114db980 <6>[ 129.565505] lkdtm: attempting bad copy_to_user from kernel text: ffff8000102cdcc0 <3>[ 129.573393] lkdtm: FAIL: survived bad copy_to_user() # [ 129.551488] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 129.557351] lkdtm: attempting good copy_to_user from kernel rodata: ffff8000114db980 # [ 129.565505] lkdtm: attempting bad copy_to_user from kernel text: ffff8000102cdcc0 # [ 129.573393] 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>[ 130.112849] lkdtm: Performing direct entry STACKLEAK_ERASING <6>[ 130.118857] lkdtm: checking unused part of the thread stack (15608 bytes)... <3>[ 130.126272] lkdtm: FAIL: the erased part is not found (checked 15608 bytes) <3>[ 130.133632] lkdtm: FAIL: the thread stack is NOT properly erased <4>[ 130.140104] CPU: 1 PID: 3134 Comm: cat Tainted: G D W 5.10.226-cip52 #1 <4>[ 130.148129] Hardware name: ARM Juno development board (r0) (DT) <4>[ 130.154322] Call trace: <4>[ 130.157041] dump_backtrace+0x0/0x200 <4>[ 130.160973] show_stack+0x20/0x2c <4>[ 130.164559] dump_stack+0x108/0x154 <4>[ 130.168318] lkdtm_STACKLEAK_ERASING+0x130/0x170 <4>[ 130.173209] lkdtm_do_action+0x24/0x40 <4>[ 130.177229] direct_entry+0xc8/0x130 <4>[ 130.181074] full_proxy_write+0x68/0xbc <4>[ 130.185182] vfs_write+0xec/0x22c <4>[ 130.188765] ksys_write+0x78/0x110 <4>[ 130.192435] __arm64_sys_write+0x24/0x30 <4>[ 130.196632] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 130.201695] do_el0_svc+0x2c/0xa4 <4>[ 130.205279] el0_svc+0x20/0x30 <4>[ 130.208602] el0_sync_handler+0xe8/0x114 <4>[ 130.212794] el0_sync+0x180/0x1c0 # [ 130.112849] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 130.118857] lkdtm: checking unused part of the thread stack (15608 bytes)... # [ 130.126272] lkdtm: FAIL: the erased part is not found (checked 15608 bytes) # [ 130.133632] lkdtm: FAIL: the thread stack is NOT properly erased # [ 130.140104] CPU: 1 PID: 3134 Comm: cat Tainted: G D W 5.10.226-cip52 #1 # [ 130.148129] Hardware name: ARM Juno development board (r0) (DT) # [ 130.154322] Call trace: # [ 130.157041] dump_backtrace+0x0/0x200 # [ 130.160973] show_stack+0x20/0x2c # [ 130.164559] dump_stack+0x108/0x154 # [ 130.168318] lkdtm_STACKLEAK_ERASING+0x130/0x170 # [ 130.173209] lkdtm_do_action+0x24/0x40 # [ 130.177229] direct_entry+0xc8/0x130 # [ 130.181074] full_proxy_write+0x68/0xbc # [ 130.185182] vfs_write+0xec/0x22c # [ 130.188765] ksys_write+0x78/0x110 # [ 130.192435] __arm64_sys_write+0x24/0x30 # [ 130.196632] el0_svc_common.constprop.0+0x84/0x1e0 # [ 130.201695] do_el0_svc+0x2c/0xa4 # [ 130.205279] el0_svc+0x20/0x30 # [ 130.208602] el0_sync_handler+0xe8/0x114 # [ 130.212794] 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>[ 130.729435] lkdtm: Performing direct entry CFI_FORWARD_PROTO <6>[ 130.735433] lkdtm: Calling matched prototype ... <6>[ 130.740472] lkdtm: Calling mismatched prototype ... <6>[ 130.745708] lkdtm: Fail: survived mismatched prototype function call! # [ 130.729435] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 130.735433] lkdtm: Calling matched prototype ... # [ 130.740472] lkdtm: Calling mismatched prototype ... # [ 130.745708] 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 / #