Trying 127.0.0.1... Connected to 127.0.0.1. Escape character is '^]'. � ARM V2M-Juno Boot loader v1.0.0 HBI0262 build 2068 MBbios update in progress DO NOT SWITCH OFF... Device programmed: 1% Device programmed: 3% Device programmed: 4% Device programmed: 6% Device programmed: 7% Device programmed: 9% Device programmed: 10% Device programmed: 12% Device programmed: 14% Device programmed: 15% Device programmed: 17% Device programmed: 18% Device programmed: 20% Device programmed: 21% Device programmed: 23% Device programmed: 25% Device programmed: 26% Device programmed: 28% Device programmed: 29% Device programmed: 31% Device programmed: 32% Device programmed: 34% Device programmed: 35% Device programmed: 37% Device programmed: 39% MBbios update complete. ARM V2M_Juno Firmware v1.5.1 Build Date: Apr 3 2019 Time : 00:00:00 Date : 01:01:2000 Press Enter to stop auto boot... Powering up system... Switching on ATXPSU... PMIC RAM configuration (pms_v103.bin)... MBtemp : 38 degC Configuring motherboard (rev B, var A)... IOFPGA image \MB\HBI0262B\io_b118.bit IOFPGA config: PASSED OSC CLK config: PASSED Configuring SCC registers... Writing SCC 0x00000054 with 0x0007FFFE Writing SCC 0x0000005C with 0x00FE001E Writing SCC 0x00000100 with 0x003F1000 Writing SCC 0x00000104 with 0x0001F300 Writing SCC 0x00000108 with 0x00371000 Writing SCC 0x0000010C with 0x0001B300 Writing SCC 0x00000118 with 0x003F1000 Writing SCC 0x0000011C with 0x0001F100 Writing SCC 0x000000F8 with 0x0BEC0000 Writing SCC 0x000000FC with 0xABE40000 Writing SCC 0x0000000C with 0x000000C2 Writing SCC 0x00000010 with 0x000000C2 Peripheral ID0:0x000000AD Peripheral ID1:0x000000B0 Peripheral ID2:0x0000000B Peripheral ID3:0x00000000 Peripheral ID4:0x0000000D Peripheral ID5:0x000000F0 Peripheral ID6:0x00000005 Peripheral ID7:0x000000B1 Programming NOR Flash PCIE clock configured... Testing motherboard interfaces (FPGA build 118)... SRAM 32MB test: PASSED LAN9118 test: PASSED ERROR: SMC USB SRAM mode lock SMC USB test: FAILED KMI1/2 test: PASSED MMC test: PASSED PB/LEDs test: PASSED FPGA UART test: PASSED PCIe init test: PASSED MAC addrs test: PASSED SMC MAC address 0002-F700-584D Setting HDMI0 mode for SVGA. Setting HDMI1 mode for SVGA. SoC SMB clock enabled. Testing SMB clock... SMB clock running Releasing system resets... UART0 set to SoC UART0 UART1 set to SoC UART1 NOTICE: Booting Trusted Firmware NOTICE: BL1: v2.1(release):v2.2-rc0 NOTICE: BL1: Built : 02:01:47, Apr 13 2022 NOTICE: BL1: Booting BL2 NOTICE: BL2: v2.1(release):v2.2-rc0 NOTICE: BL2: Built : 02:01:49, Apr 13 2022 NOTICE: BL1: Booting BL31 NOTICE: BL31: v2.1(release):v2.2-rc0 NOTICE: BL31: Built : 02:01:52, Apr 13 2022 U-Boot 2022.04-00567-gb2a22b2c9f-dirty (Apr 14 2022 - 01:11:52 +0100) vexpress_aemv8a DRAM: 8 GiB PCIe XR3 Host Bridge enabled: x4 link (Gen 2) Core: 21 devices, 8 uclasses, devicetree: board Flash: 64 MiB Loading Environment from Flash... *** Warning - bad CRC, using default environment In: serial@7ff80000 Out: serial@7ff80000 Err: serial@7ff80000 Net: eth0: ethernet@200000000 Hit any key to stop autoboot: 1  0 VExpress64# setenv autoload no setenv autoload no VExpress64# setenv initrd_high 0xffffffffffffffff setenv initrd_high 0xffffffffffffffff VExpress64# setenv fdt_high 0xffffffffffffffff setenv fdt_high 0xffffffffffffffff VExpress64# dhcp dhcp smc911x: detected LAN9118 controller smc911x: phy initialized smc911x: MAC 00:02:f7:00:58:4d BOOTP broadcast 1 BOOTP broadcast 2 BOOTP broadcast 3 BOOTP broadcast 4 BOOTP broadcast 5 DHCP client bound to address 192.168.6.16 (3768 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 733794/tftp-deploy-wmnohohh/kernel/uImage tftp 0x80200000 733794/tftp-deploy-wmnohohh/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 '733794/tftp-deploy-wmnohohh/kernel/uImage'. Load address: 0x80200000 Loading: *################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# 1.5 MiB/s done Bytes transferred = 43887168 (29daa40 hex) smc911x: MAC 00:02:f7:00:58:4d VExpress64# tftp 0x8fe00000 733794/tftp-deploy-wmnohohh/ramdisk/ramdisk.cpio.gz.uboot tftp 0x8fe00000 733794/tftp-deploy-wmnohohh/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 '733794/tftp-deploy-wmnohohh/ramdisk/ramdisk.cpio.gz.uboot'. Load address: 0x8fe00000 Loading: *################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ############################################################# 1.3 MiB/s done Bytes transferred = 19019192 (12235b8 hex) smc911x: MAC 00:02:f7:00:58:4d VExpress64# setenv initrd_size ${filesize} setenv initrd_size ${filesize} VExpress64# tftp 0x8fc00000 733794/tftp-deploy-wmnohohh/dtb/juno.dtb tftp 0x8fc00000 733794/tftp-deploy-wmnohohh/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 '733794/tftp-deploy-wmnohohh/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/733794/extract-nfsrootfs-as1wka3v,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/733794/extract-nfsrootfs-as1wka3v,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: 19019128 Bytes = 18.1 MiB Load Address: 00000000 Entry Point: 00000000 Verifying Checksum ... OK ## Flattened Device Tree blob at 8fc00000 Booting using the fdt blob at 0x8fc00000 Loading Kernel Image Using Device Tree in place at 000000008fc00000, end 000000008fc08db0 Starting kernel ... [ 0.000000] Booting Linux on physical CPU 0x0000000100 [0x410fd030] [ 0.000000] Linux version 5.10.224-cip52 (KernelCI@build-j311441-arm64-gcc-12-defconfig-kselftest-5ft72) (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 15:30:47 UTC 2024 [ 0.000000] Machine model: ARM Juno development board (r0) [ 0.000000] earlycon: pl11 at MMIO 0x000000007ff80000 (options '') [ 0.000000] printk: bootconsole [pl11] enabled [ 0.000000] efi: UEFI not found. [ 0.000000] earlycon: pl11 at MMIO 0x000000007ff80000 (options '115200n8') [ 0.000000] ------------[ cut here ]------------ [ 0.000000] console 'pl11' already registered [ 0.000000] WARNING: CPU: 0 PID: 0 at kernel/printk/printk.c:2809 register_console+0x5c/0x2f0 [ 0.000000] Modules linked in: [ 0.000000] CPU: 0 PID: 0 Comm: swapper Not tainted 5.10.224-cip52 #1 [ 0.000000] Hardware name: ARM Juno development board (r0) (DT) [ 0.000000] pstate: 60000085 (nZCv daIf -PAN -UAO -TCO BTYPE=--) [ 0.000000] pc : register_console+0x5c/0x2f0 [ 0.000000] lr : register_console+0x5c/0x2f0 [ 0.000000] sp : ffff800012553de0 [ 0.000000] x29: ffff800012553de0 x28: 0000000081dc0018 [ 0.000000] x27: 00000000fef4a810 x26: 0000000000000000 [ 0.000000] x25: 00000000000046ac x24: ffff80001289a000 [ 0.000000] x23: 0000000000000000 x22: 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 5e26b21ecf842900 ]--- [ 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/733794/extract-nfsrootfs-as1wka3v,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: 8040004K/8372224K available (18752K kernel code, 4650K rwdata, 9516K rodata, 9792K init, 11275K bss, 299452K 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>[ 0.009911] Console: colour dummy device 80x25 <4>[ 0.014794] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar <4>[ 0.022970] ... MAX_LOCKDEP_SUBCLASSES: 8 <4>[ 0.027442] ... MAX_LOCK_DEPTH: 48 <4>[ 0.032000] ... MAX_LOCKDEP_KEYS: 8192 <4>[ 0.036735] ... CLASSHASH_SIZE: 4096 <4>[ 0.041469] ... MAX_LOCKDEP_ENTRIES: 32768 <4>[ 0.046292] ... MAX_LOCKDEP_CHAINS: 65536 <4>[ 0.051114] ... CHAINHASH_SIZE: 32768 <4>[ 0.055937] memory used by lock dependency info: 6365 kB <4>[ 0.061728] memory used for stack traces: 4224 kB <4>[ 0.066903] per task-struct memory footprint: 1920 bytes <6>[ 0.072910] Calibrating delay loop (skipped), value calculated using timer frequency.. 100.00 BogoMIPS (lpj=200000) <6>[ 0.083847] pid_max: default: 32768 minimum: 301 <6>[ 0.089225] LSM: Security Framework initializing <6>[ 0.094311] LSM support for eBPF active <6>[ 0.098711] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes, linear) <6>[ 0.106754] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes, linear) <6>[ 0.127406] rcu: Hierarchical SRCU implementation. <6>[ 0.141462] EFI services will not be available. <6>[ 0.148278] smp: Bringing up secondary CPUs ... <6>[ 0.156761] CPU features: detected: ARM erratum 832075 <6>[ 0.156770] CPU features: detected: ARM erratum 834220 <6>[ 0.156777] CPU features: detected: EL2 vector hardening <6>[ 0.156791] CPU features: detected: Spectre-v2 <6>[ 0.156803] CPU features: detected: ARM errata 1165522, 1319367, or 1530923 <6>[ 0.156812] CPU features: detected: Spectre-BHB <6>[ 0.156821] Detected PIPT I-cache on CPU1 <6>[ 0.156902] CPU1: Booted secondary processor 0x0000000000 [0x410fd070] <6>[ 0.160708] Detected PIPT I-cache on CPU2 <6>[ 0.160758] CPU2: Booted secondary processor 0x0000000001 [0x410fd070] <6>[ 0.164232] Detected VIPT I-cache on CPU3 <6>[ 0.164328] CPU3: Booted secondary processor 0x0000000101 [0x410fd030] <6>[ 0.168297] Detected VIPT I-cache on CPU4 <6>[ 0.168375] CPU4: Booted secondary processor 0x0000000102 [0x410fd030] <6>[ 0.172157] Detected VIPT I-cache on CPU5 <6>[ 0.172232] CPU5: Booted secondary processor 0x0000000103 [0x410fd030] <6>[ 0.173008] smp: Brought up 1 node, 6 CPUs <6>[ 0.267898] SMP: Total of 6 processors activated. <6>[ 0.273042] CPU features: detected: 32-bit EL0 Support <6>[ 0.278744] CPU features: detected: CRC32 instructions <6>[ 0.284317] CPU features: detected: 32-bit EL1 Support <6>[ 0.364765] CPU: All CPU(s) started at EL2 <6>[ 0.369424] alternatives: patching kernel code <6>[ 0.385204] devtmpfs: initialized <4>[ 0.415833] KASLR disabled due to lack of seed <6>[ 0.422959] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 7645041785100000 ns <6>[ 0.433199] futex hash table entries: 2048 (order: 6, 262144 bytes, linear) <6>[ 0.442685] pinctrl core: initialized pinctrl subsystem <6>[ 0.453013] DMI not present or invalid. <6>[ 0.458885] NET: Registered protocol family 16 <6>[ 0.469259] DMA: preallocated 1024 KiB GFP_KERNEL pool for atomic allocations <6>[ 0.477207] DMA: preallocated 1024 KiB GFP_KERNEL|GFP_DMA pool for atomic allocations <6>[ 0.486811] DMA: preallocated 1024 KiB GFP_KERNEL|GFP_DMA32 pool for atomic allocations <6>[ 0.495455] audit: initializing netlink subsys (disabled) <5>[ 0.501866] audit: type=2000 audit(0.408:1): state=initialized audit_enabled=0 res=1 <6>[ 0.505289] thermal_sys: Registered thermal governor 'step_wise' <6>[ 0.510035] thermal_sys: Registered thermal governor 'power_allocator' <6>[ 0.517686] cpuidle: using governor menu <6>[ 0.529374] hw-breakpoint: found 6 breakpoint and 4 watchpoint registers. <6>[ 0.537060] ASID allocator initialised with 65536 entries <6>[ 0.547127] Serial: AMBA PL011 UART driver <6>[ 0.642866] 7ff80000.serial: ttyAMA0 at MMIO 0x7ff80000 (irq = 38, base_baud = 0) is a PL011 rev3 <6>[ 0.652279] printk: console [ttyAMA0] enabled <6>[ 0.652279] printk: console [ttyAMA0] enabled <6>[ 0.661631] printk: bootconsole [pl11] disabled <6>[ 0.661631] printk: bootconsole [pl11] disabled <6>[ 0.725422] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages <6>[ 0.732542] HugeTLB registered 32.0 MiB page size, pre-allocated 0 pages <6>[ 0.739560] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages <6>[ 0.746588] HugeTLB registered 64.0 KiB page size, pre-allocated 0 pages <6>[ 0.760360] cryptd: max_cpu_qlen set to 1000 <6>[ 0.775811] ACPI: Interpreter disabled. <6>[ 0.787275] iommu: Default domain type: Translated <6>[ 0.793355] vgaarb: loaded <5>[ 0.797782] SCSI subsystem initialized <6>[ 0.803319] usbcore: registered new interface driver usbfs <6>[ 0.809316] usbcore: registered new interface driver hub <6>[ 0.815098] usbcore: registered new device driver usb <6>[ 0.825188] pps_core: LinuxPPS API ver. 1 registered <6>[ 0.830490] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <6>[ 0.839987] PTP clock support registered <6>[ 0.844710] EDAC MC: Ver: 3.0.0 <6>[ 0.853177] FPGA manager framework <6>[ 0.857284] Advanced Linux Sound Architecture Driver Initialized. <6>[ 0.866601] clocksource: Switched to clocksource arch_sys_counter <5>[ 2.157832] VFS: Disk quotas dquot_6.6.0 <6>[ 2.162258] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) <6>[ 2.170555] pnp: PnP ACPI: disabled <6>[ 2.204295] NET: Registered protocol family 2 <6>[ 2.209817] IP idents hash table entries: 131072 (order: 8, 1048576 bytes, linear) <6>[ 2.223273] tcp_listen_portaddr_hash hash table entries: 4096 (order: 6, 327680 bytes, linear) <6>[ 2.233442] TCP established hash table entries: 65536 (order: 7, 524288 bytes, linear) <6>[ 2.244946] TCP bind hash table entries: 65536 (order: 10, 4718592 bytes, vmalloc) <6>[ 2.268056] TCP: Hash tables configured (established 65536 bind 65536) <6>[ 2.276441] MPTCP token hash table entries: 8192 (order: 7, 720896 bytes, linear) <6>[ 2.286452] UDP hash table entries: 4096 (order: 7, 655360 bytes, linear) <6>[ 2.295738] UDP-Lite hash table entries: 4096 (order: 7, 655360 bytes, linear) <6>[ 2.305687] NET: Registered protocol family 1 <6>[ 2.312611] RPC: Registered named UNIX socket transport module. <6>[ 2.318907] RPC: Registered udp transport module. <6>[ 2.323950] RPC: Registered tcp transport module. <6>[ 2.328974] RPC: Registered tcp NFSv4.1 backchannel transport module. <6>[ 2.335753] NET: Registered protocol family 44 <6>[ 2.340537] PCI: CLS 0 bytes, default 64 <6>[ 2.345554] Unpacking initramfs... <6>[ 4.125989] Freeing initrd memory: 18568K <6>[ 4.133671] hw perfevents: enabled with armv8_cortex_a57 PMU driver, 7 counters available <6>[ 4.144341] hw perfevents: enabled with armv8_cortex_a53 PMU driver, 7 counters available <6>[ 4.153007] kvm [1]: Guests without required CPU erratum workarounds can deadlock system! <6>[ 4.153007] Only trusted guests should be used on this system. <6>[ 4.167656] kvm [1]: IPA Size Limit: 40 bits <6>[ 4.184633] kvm [1]: vgic interrupt IRQ9 <6>[ 4.189563] kvm [1]: Hyp mode initialized successfully <5>[ 4.216214] Initialise system trusted keyrings <6>[ 4.221681] workingset: timestamp_bits=42 max_order=21 bucket_order=0 <6>[ 4.271636] squashfs: version 4.0 (2009/01/31) Phillip Lougher <5>[ 4.280402] NFS: Registering the id_resolver key type <5>[ 4.285875] Key type id_resolver registered <5>[ 4.290405] Key type id_legacy registered <6>[ 4.295182] nfs4filelayout_init: NFSv4 File Layout Driver Registering... <6>[ 4.302237] nfs4flexfilelayout_init: NFSv4 Flexfile Layout Driver Registering... <6>[ 4.310499] 9p: Installing v9fs 9p2000 file system support <5>[ 4.366439] Key type asymmetric registered <5>[ 4.370907] Asymmetric key parser 'x509' registered <6>[ 4.376219] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 245) <6>[ 4.383965] io scheduler mq-deadline registered <6>[ 4.388814] io scheduler kyber registered <4>[ 4.393801] test_firmware: interface ready <6>[ 4.426121] pl061_gpio 1c1d0000.gpio: PL061 GPIO chip registered <4>[ 4.443719] EINJ: ACPI disabled. <6>[ 4.468623] dma-pl330 7ff00000.dma: Loaded driver for PL330 DMAC-341330 <6>[ 4.475571] dma-pl330 7ff00000.dma: DBUFF-1024x16bytes Num_Chans-8 Num_Peri-8 Num_Events-8 <6>[ 4.516175] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled <6>[ 4.532407] SuperH (H)SCI(F) driver initialized <6>[ 4.538688] msm_serial: driver initialized <5>[ 4.547000] arm-smmu 7fb10000.iommu: probing hardware configuration... <5>[ 4.553855] arm-smmu 7fb10000.iommu: SMMUv1 with: <5>[ 4.558874] arm-smmu 7fb10000.iommu: stage 2 translation <5>[ 4.564589] arm-smmu 7fb10000.iommu: non-coherent table walk <5>[ 4.570648] arm-smmu 7fb10000.iommu: (IDR0.CTTW overridden by FW configuration) <5>[ 4.578367] arm-smmu 7fb10000.iommu: stream matching with 2 register groups <5>[ 4.585740] arm-smmu 7fb10000.iommu: 1 context banks (1 stage-2 only) <5>[ 4.592608] arm-smmu 7fb10000.iommu: Supported page sizes: 0x60211000 <5>[ 4.599453] arm-smmu 7fb10000.iommu: Stage-2: 40-bit IPA -> 40-bit PA <5>[ 4.607623] arm-smmu 7fb20000.iommu: probing hardware configuration... <5>[ 4.614488] arm-smmu 7fb20000.iommu: SMMUv1 with: <5>[ 4.619514] arm-smmu 7fb20000.iommu: stage 2 translation <5>[ 4.625233] arm-smmu 7fb20000.iommu: non-coherent table walk <5>[ 4.631299] arm-smmu 7fb20000.iommu: (IDR0.CTTW overridden by FW configuration) <5>[ 4.639043] arm-smmu 7fb20000.iommu: stream matching with 2 register groups <5>[ 4.646428] arm-smmu 7fb20000.iommu: 1 context banks (1 stage-2 only) <5>[ 4.653300] arm-smmu 7fb20000.iommu: Supported page sizes: 0x60211000 <5>[ 4.660151] arm-smmu 7fb20000.iommu: Stage-2: 40-bit IPA -> 40-bit PA <5>[ 4.667769] arm-smmu 7fb30000.iommu: probing hardware configuration... <5>[ 4.674626] arm-smmu 7fb30000.iommu: SMMUv1 with: <5>[ 4.679651] arm-smmu 7fb30000.iommu: stage 2 translation <5>[ 4.685369] arm-smmu 7fb30000.iommu: coherent table walk <5>[ 4.691091] arm-smmu 7fb30000.iommu: stream matching with 2 register groups <5>[ 4.698468] arm-smmu 7fb30000.iommu: 1 context banks (1 stage-2 only) <5>[ 4.705323] arm-smmu 7fb30000.iommu: Supported page sizes: 0x60211000 <5>[ 4.712188] arm-smmu 7fb30000.iommu: Stage-2: 40-bit IPA -> 40-bit PA <6>[ 4.764344] loop: module loaded <6>[ 4.769849] lkdtm: No crash points registered, enable through debugfs <6>[ 4.780092] megasas: 07.714.04.00-rc1 <6>[ 4.805110] thunder_xcv, ver 1.0 <6>[ 4.808804] thunder_bgx, ver 1.0 <6>[ 4.812500] nicpf, ver 1.0 <6>[ 4.819142] hclge is initializing <6>[ 4.822876] hns3: Hisilicon Ethernet Network Driver for Hip08 Family - version <6>[ 4.830424] hns3: Copyright (c) 2017 Huawei Corporation. <6>[ 4.836199] e1000: Intel(R) PRO/1000 Network Driver <6>[ 4.841396] e1000: Copyright (c) 1999-2006 Intel Corporation. <6>[ 4.847635] e1000e: Intel(R) PRO/1000 Network Driver <6>[ 4.852919] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. <6>[ 4.859302] igb: Intel(R) Gigabit Ethernet Network Driver <6>[ 4.865019] igb: Copyright (c) 2007-2014 Intel Corporation. <6>[ 4.871012] igbvf: Intel(R) Gigabit Virtual Function Network Driver <6>[ 4.877599] igbvf: Copyright (c) 2009 - 2012 Intel Corporation. <6>[ 4.884839] sky2: driver version 1.30 <6>[ 4.955123] smsc911x 18000000.ethernet eth0: MAC Address: 00:02:f7:00:58:4d <6>[ 4.966206] VFIO - User Level meta-driver version: 0.3 <6>[ 4.977159] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver <6>[ 4.984180] ehci-pci: EHCI PCI platform driver <6>[ 4.989046] ehci-platform: EHCI generic platform driver <6>[ 4.995229] ehci-platform 7ffc0000.usb: Adding to iommu group 0 <6>[ 5.002217] ehci-platform 7ffc0000.usb: EHCI Host Controller <6>[ 5.008389] ehci-platform 7ffc0000.usb: new USB bus registered, assigned bus number 1 <6>[ 5.017068] ehci-platform 7ffc0000.usb: irq 41, io mem 0x7ffc0000 <6>[ 5.038658] ehci-platform 7ffc0000.usb: USB 2.0 started, EHCI 1.00 <6>[ 5.048630] hub 1-0:1.0: USB hub found <6>[ 5.052908] hub 1-0:1.0: 1 port detected <6>[ 5.058920] ehci-orion: EHCI orion driver <6>[ 5.063601] ehci-exynos: EHCI Exynos driver <6>[ 5.068401] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver <6>[ 5.074954] ohci-pci: OHCI PCI platform driver <6>[ 5.079919] ohci-platform: OHCI generic platform driver <6>[ 5.085917] ohci-platform 7ffb0000.usb: Adding to iommu group 0 <6>[ 5.092466] ohci-platform 7ffb0000.usb: Generic Platform OHCI controller <6>[ 5.099536] ohci-platform 7ffb0000.usb: new USB bus registered, assigned bus number 2 <6>[ 5.108128] ohci-platform 7ffb0000.usb: irq 40, io mem 0x7ffb0000 <6>[ 5.193087] hub 2-0:1.0: USB hub found <6>[ 5.197267] hub 2-0:1.0: 1 port detected <6>[ 5.202861] ohci-exynos: OHCI Exynos driver <6>[ 5.208990] usbcore: registered new interface driver usb-storage <6>[ 5.227959] rtc-pl031 1c170000.rtc: registered as rtc0 <6>[ 5.233542] rtc-pl031 1c170000.rtc: setting system clock to 2000-01-01T00:03:03 UTC (946684983) <6>[ 5.244465] i2c /dev entries driver <6>[ 5.261992] sp805-wdt 1c0f0000.wdt: registration successful <6>[ 5.280235] sdhci: Secure Digital Host Controller Interface driver <6>[ 5.285224] mmci-pl18x 1c050000.mmci: mmc0: PL180 manf 41 rev0 at 0x1c050000 irq 16,0 (pio) <6>[ 5.286741] sdhci: Copyright(c) Pierre Ossman <6>[ 5.288277] Synopsys Designware Multimedia Card Interface Driver <6>[ 5.309335] sdhci-pltfm: SDHCI platform and OF driver helper <6>[ 5.318722] usb 1-1: new high-speed USB device number 2 using ehci-platform <6>[ 5.320293] leds-syscon 1c010000.apbregs:led0: registered LED (null) <6>[ 5.333563] leds-syscon 1c010000.apbregs:led1: registered LED (null) <6>[ 5.340883] leds-syscon 1c010000.apbregs:led2: registered LED (null) <6>[ 5.348193] leds-syscon 1c010000.apbregs:led3: registered LED (null) <6>[ 5.355509] leds-syscon 1c010000.apbregs:led4: registered LED (null) <6>[ 5.362850] leds-syscon 1c010000.apbregs:led5: registered LED (null) <6>[ 5.370137] leds-syscon 1c010000.apbregs:led6: registered LED (null) <6>[ 5.377440] leds-syscon 1c010000.apbregs:led7: registered LED (null) <6>[ 5.386537] ledtrig-cpu: registered to indicate activity on CPUs <6>[ 5.399259] usbcore: registered new interface driver usbhid <6>[ 5.405154] usbhid: USB HID core driver <6>[ 5.412730] mhu 2b1f0000.mhu: ARM MHU Mailbox registered <6>[ 5.433815] ipip: IPv4 and MPLS over IPv4 tunneling driver <6>[ 5.441464] IPv4 over IPsec tunneling driver <6>[ 5.449210] NET: Registered protocol family 10 <6>[ 5.458346] Segment Routing with IPv6 <6>[ 5.465681] NET: Registered protocol family 17 <6>[ 5.472055] 9pnet: Installing 9P2000 support <5>[ 5.476840] Key type dns_resolver registered <6>[ 5.482827] registered taskstats version 1 <5>[ 5.487352] Loading compiled-in X.509 certificates <6>[ 5.489667] hub 1-1:1.0: USB hub found <6>[ 5.497443] hub 1-1:1.0: 4 ports detected <3>[ 5.542701] scpi_protocol scpi: incorrect or no SCP firmware found <4>[ 5.549435] scpi_protocol: probe of scpi failed with error -110 <6>[ 5.570245] input: gpio-keys as /devices/platform/gpio-keys/input/input1 <4>[ 6.238835] atkbd serio0: keyboard reset failed on 1c060000.kmi <6>[ 6.466329] 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>[ 6.494721] smsc911x 18000000.ethernet eth0: SMSC911x/921x identified at 0xffff800014210000, IRQ: 15 <4>[ 7.486668] atkbd serio1: keyboard reset failed on 1c070000.kmi <6>[ 8.555036] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready <5>[ 8.574689] Sending DHCP requests .. <6>[ 14.164180] 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>[ 14.270681] ., OK <4>[ 14.295194] psmouse serio0: Failed to enable mouse on 1c060000.kmi <6>[ 14.303832] IP-Config: Got DHCP answer from 192.168.6.1, my address is 192.168.6.16 <6>[ 14.311878] IP-Config: Complete: <6>[ 14.315451] 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>[ 14.325892] host=192.168.6.16, domain=, nis-domain=(none) <6>[ 14.332070] bootserver=192.168.6.1, rootserver=192.168.56.230, rootpath= <6>[ 14.332095] nameserver0=10.255.253.1 <6>[ 14.344991] clk: Disabling unused clocks <6>[ 14.349482] ALSA device list: <6>[ 14.352947] No soundcards found. <6>[ 14.357699] uart-pl011 7ff80000.serial: no DMA platform data <6>[ 14.398030] Freeing unused kernel memory: 9792K <6>[ 14.403250] Run /init as init process Loading, please wait... Starting systemd-udevd version 252.22-1~deb12u1 <6>[ 17.473797] tda998x 0-0070: found TDA19988 <6>[ 17.628494] 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>[ 20.774554] 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>[ 20.901935] psmouse serio1: Failed to enable mouse on 1c070000.kmi <30>[ 21.193222] systemd[1]: System time before build time, advancing clock. <30>[ 21.735172] 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>[ 21.768555] systemd[1]: Detected architecture arm64. Welcome to [1mDebian GNU/Linux 12 (bookworm)[0m! <30>[ 21.822439] systemd[1]: Hostname set to . <30>[ 23.812251] systemd[1]: Queued start job for default target graphical.target. <30>[ 23.847728] 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>[ 23.880826] 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>[ 23.915225] 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>[ 23.948126] 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>[ 23.972449] 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>[ 24.000328] 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>[ 24.027221] 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>[ 24.047172] systemd[1]: Expecting device dev-ttyAMA0.device - /dev/ttyAMA0... Expecting device [0;1;39mdev-ttyAMA0.device[0m - /dev/ttyAMA0... <30>[ 24.070917] systemd[1]: Reached target cryptsetup.target - Local Encrypted Volumes. [[0;32m OK [0m] Reached target [0;1;39mcryptsetup.…get[0m - Local Encrypted Volumes. <30>[ 24.094952] systemd[1]: Reached target integritysetup.target - Local Integrity Protected Volumes. [[0;32m OK [0m] Reached target [0;1;39mintegrityse…Local Integrity Protected Volumes. <30>[ 24.119121] systemd[1]: Reached target paths.target - Path Units. [[0;32m OK [0m] Reached target [0;1;39mpaths.target[0m - Path Units. <30>[ 24.139074] 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>[ 24.162893] systemd[1]: Reached target slices.target - Slice Units. [[0;32m OK [0m] Reached target [0;1;39mslices.target[0m - Slice Units. <30>[ 24.183084] systemd[1]: Reached target swap.target - Swaps. [[0;32m OK [0m] Reached target [0;1;39mswap.target[0m - Swaps. <30>[ 24.203131] systemd[1]: Reached target veritysetup.target - Local Verity Protected Volumes. [[0;32m OK [0m] Reached target [0;1;39mveritysetup… - Local Verity Protected Volumes. <30>[ 24.228214] 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>[ 24.260130] 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>[ 24.291158] 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>[ 24.317713] systemd[1]: Listening on systemd-journald.socket - Journal Socket. [[0;32m OK [0m] Listening on [0;1;39msystemd-journald.socket[0m - Journal Socket. <30>[ 24.346394] 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>[ 24.377598] 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>[ 24.404823] 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>[ 24.447979] systemd[1]: Mounting dev-hugepages.mount - Huge Pages File System... Mounting [0;1;39mdev-hugepages.mount[0m - Huge Pages File System... <30>[ 24.486913] systemd[1]: Mounting dev-mqueue.mount - POSIX Message Queue File System... Mounting [0;1;39mdev-mqueue.mount…POSIX Message Queue File System... <30>[ 24.527019] systemd[1]: Mounting sys-kernel-debug.mount - Kernel Debug File System... Mounting [0;1;39msys-kernel-debug.…[0m - Kernel Debug File System... <30>[ 24.567201] systemd[1]: Mounting sys-kernel-tracing.mount - Kernel Trace File System... Mounting [0;1;39msys-kernel-tracin…[0m - Kernel Trace File System... <30>[ 24.627944] 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>[ 24.675797] systemd[1]: Starting modprobe@configfs.service - Load Kernel Module configfs... Starting [0;1;39mmodprobe@configfs…m - Load Kernel Module configfs... <30>[ 24.723513] 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>[ 24.764488] systemd[1]: Starting modprobe@drm.service - Load Kernel Module drm... Starting [0;1;39mmodprobe@drm.service[0m - Load Kernel Module drm... <30>[ 24.803847] systemd[1]: Starting modprobe@efi_pstore.service - Load Kernel Module efi_pstore... Starting [0;1;39mmodprobe@efi_psto…- Load Kernel Module efi_pstore... <6>[ 24.852037] device-mapper: ioctl: 4.43.0-ioctl (2020-10-01) initialised: dm-devel@redhat.com <30>[ 24.852445] systemd[1]: Starting modprobe@fuse.service - Load Kernel Module fuse... Starting [0;1;39mmodprobe@fuse.ser…e[0m - Load Kernel Module fuse... <30>[ 24.908102] systemd[1]: Starting modprobe@loop.service - Load Kernel Module loop... Starting [0;1;39mmodprobe@loop.ser…e[0m - Load Kernel Module loop... <30>[ 24.962516] systemd[1]: Starting systemd-journald.service - Journal Service... <6>[ 24.964510] fuse: init (API version 7.32) Starting [0;1;39msystemd-journald.service[0m - Journal Service... <30>[ 25.019331] systemd[1]: Starting systemd-modules-load.service - Load Kernel Modules... Starting [0;1;39msystemd-modules-l…rvice[0m - Load Kernel Modules... <30>[ 25.059029] 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>[ 25.103275] 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>[ 25.151436] systemd[1]: Starting systemd-udev-trigger.service - Coldplug All udev Devices... Starting [0;1;39msystemd-udev-trig…[0m - Coldplug All udev Devices... <30>[ 25.207873] 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>[ 25.238032] 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>[ 25.266826] 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>[ 25.292714] 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>[ 25.325661] 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>[ 25.360388] systemd[1]: modprobe@configfs.service: Deactivated successfully. <30>[ 25.371882] 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>[ 25.402080] systemd[1]: modprobe@dm_mod.service: Deactivated successfully. <30>[ 25.414356] 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>[ 25.446086] systemd[1]: modprobe@drm.service: Deactivated successfully. <30>[ 25.458197] 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>[ 25.494131] systemd[1]: modprobe@efi_pstore.service: Deactivated successfully. <30>[ 25.506460] 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>[ 25.539337] systemd[1]: modprobe@fuse.service: Deactivated successfully. <30>[ 25.550497] 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>[ 25.585902] systemd[1]: modprobe@loop.service: Deactivated successfully. <30>[ 25.600762] 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>[ 25.631190] 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>[ 26.062487] systemd-journald[249]: 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>[ 27.419353] 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>[ 30.525123] cfg80211: Loading compiled-in X.509 certificates for regulatory database <5>[ 30.653780] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' [[0;32m OK [0m] Started [0;1;39msystemd-time<5>[ 30.663117] cfg80211: Loaded X.509 cert 'wens: 61c038651aabdcf94bd0ac7ff06c7248db18c600' syncd.…0m - Network Time Synchronization. <4>[ 30.676515] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 <4>[ 30.687188] 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. [[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. <46>[ 30.883332] systemd-journald[249]: Oldest entry in /var/log/journal/44a983756b26438995e691b947c527e4/system.journal is older than the configured file retention duration (1month), suggesting rotation. [[0;32m OK [0m] Started [0;1<46>[ 30.903063] systemd-journald[249]: /var/log/journal/44a983756b26438995e691b947c527e4/system.journal: Journal header limits reached or header out-of-date, rotating. ;39me2scrub_all.timer…etadata Check for All Filesystems. [[0;32m OK [0m] Started [0;1;39mfstrim.timer[0m - Discard unused blocks once a week. [[0;32m OK [0m] Reached target [0;1;39mtimers.target[0m - Timer Units. [[0;32m OK [0m] Listening on [0;1;39mdbus.socket[…- D-Bus System Message Bus Socket. [[0;32m OK [0m] Reached target [0;1;39msockets.target[0m - Socket Units. [[0;32m OK [0m] Reached target [0;1;39mbasic.target[0m - Basic System. Starting [0;1;39mdbus.service[0m - D-Bus System Message Bus... <6>[ 31.336410] cfg80211: failed to load regulatory.db 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] Finished [0;1;39me2scrub_reap.serv…ine ext4 Metadata Check Snapshots. [[0;32m OK [0m] Started [0;1;39mdbus.service[0m - D-Bus System Message Bus. [[0;32m OK [0m] Started [0;1;39msystemd-logind.service[0m - User Login Management. [[0;32m OK [0m] Reached target [0;1;39mmulti-user.target[0m - Multi-User System. [[0;32m OK [0m] Reached target [0;1;39mgraphical.target[0m - Graphical Interface. Starting [0;1;39msystemd-update-ut… Record Runlevel Change in UTMP... [[0;32m OK [0m] Finished [0;1;39msystemd-update-ut… - Record Runlevel Change in UTMP. Debian GNU/Linux 12 debian-bookworm-arm64 ttyAMA0 debian-bookworm-arm64 login: root (automatic login) Linux debian-bookworm-arm64 5.10.224-cip52 #1 SMP PREEMPT Mon Sep 16 15:30:47 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/733794/extract-nfsrootfs-as1wka3v' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/733794/extract-nfsrootfs-as1wka3v' / # 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-733794/environment . /lava-733794/environment / # /lava-733794/bin/lava-test-runner /lava-733794/0 /lava-733794/bin/lava-test-runner /lava-733794/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-733794/0/tests/0_timesync-off ++ cat uuid + UUID=733794_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-733794/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=733794_1.6.2.4.5 + set +x + cd ./automated/linux/kselftest/ + ./kselftest.sh -c lkdtm -T '' -t kselftest_armhf.tar.gz -s True -u http://storage.kernelci.org/cip/linux-5.10.y-cip/v5.10.224-cip52/arm64/defconfig+kselftest/gcc-12/kselftest.tar.xz -L '' -S /dev/null -b juno-uboot -g cip -e '' -p /opt/kselftests/mainline/ -n 1 -i 1 -E '' INFO: install_deps skipped --2024-09-16 17:44:41-- http://storage.kernelci.org/cip/linux-5.10.y-cip/v5.10.224-cip52/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: 2015948 (1.9M) [application/octet-stream] Saving to: 'kselftest_armhf.tar.gz' kselftest_armhf.tar 0%[ ] 0 --.-KB/s kselftest_armhf.tar 1%[ ] 20.39K 71.6KB/s kselftest_armhf.tar 3%[ ] 78.48K 137KB/s kselftest_armhf.tar 6%[> ] 120.67K 141KB/s kselftest_armhf.tar 8%[> ] 169.89K 149KB/s kselftest_armhf.tar 11%[=> ] 220.51K 154KB/s kselftest_armhf.tar 13%[=> ] 273.95K 160KB/s kselftest_armhf.tar 16%[==> ] 327.39K 164KB/s kselftest_armhf.tar 19%[==> ] 380.82K 166KB/s kselftest_armhf.tar 22%[===> ] 435.67K 172KB/s kselftest_armhf.tar 23%[===> ] 472.23K 172KB/s kselftest_armhf.tar 26%[====> ] 522.85K 177KB/s kselftest_armhf.tar 27%[====> ] 545.35K 170KB/s eta 8s kselftest_armhf.tar 30%[=====> ] 593.17K 172KB/s eta 8s kselftest_armhf.tar 31%[=====> ] 628.32K 172KB/s eta 8s kselftest_armhf.tar 33%[=====> ] 666.29K 172KB/s eta 8s kselftest_armhf.tar 35%[======> ] 708.48K 182KB/s eta 8s kselftest_armhf.tar 38%[======> ] 754.89K 177KB/s eta 7s kselftest_armhf.tar 40%[=======> ] 799.89K 186KB/s eta 7s kselftest_armhf.tar 43%[=======> ] 849.10K 188KB/s eta 7s kselftest_armhf.tar 45%[========> ] 895.51K 190KB/s eta 7s kselftest_armhf.tar 47%[========> ] 944.73K 194KB/s eta 7s kselftest_armhf.tar 50%[=========> ] 992.54K 196KB/s eta 5s kselftest_armhf.tar 52%[=========> ] 1.02M 195KB/s eta 5s kselftest_armhf.tar 55%[==========> ] 1.06M 201KB/s eta 5s kselftest_armhf.tar 57%[==========> ] 1.11M 203KB/s eta 5s kselftest_armhf.tar 60%[===========> ] 1.16M 206KB/s eta 5s kselftest_armhf.tar 63%[===========> ] 1.22M 207KB/s eta 4s <4>[ 66.626986] arm-smmu 2b600000.iommu: deferred probe timeout, ignoring dependency <4>[ 66.634765] arm-smmu: probe of 2b600000.iommu failed with error -110 kselftest_armhf.tar 66%[============> ] 1.28M 214KB/s eta 4s kselftest_armhf.tar 69%[============> ] 1.33M 222KB/s eta 4s <4>[ 67.134751] amba 20010000.etf: deferred probe timeout, ignoring dependency <4>[ 67.142133] amba 20030000.tpiu: deferred probe timeout, ignoring dependency <4>[ 67.149513] amba 20040000.funnel: deferred probe timeout, ignoring dependency <4>[ 67.157067] amba 20070000.etr: deferred probe timeout, ignoring dependency kselftest_armhf.tar 72%[========<4>[ 67.164347] amba 20100000.stm: deferred probe timeout, ignoring dependency =====> ] 1.39M 230KB/s <4>[ 67.174409] amba 20120000.replicator: deferred probe timeout, ignoring dependency eta 4s <4>[ 67.184948] amba 22010000.cpu-debug: deferred probe timeout, ignoring dependency <4>[ 67.193817] amba 22040000.etm: deferred probe timeout, ignoring dependency <4>[ 67.201103] amba 220c0000.funnel: deferred probe timeout, ignoring dependency <4>[ 67.208633] amba 22110000.cpu-debug: deferred probe timeout, ignoring dependency <4>[ 67.216423] amba 22140000.etm: deferred probe timeout, ignoring dependency <4>[ 67.223692] amba 23010000.cpu-debug: deferred probe timeout, ignoring dependency <4>[ 67.231481] amba 23040000.etm: deferred probe timeout, ignoring dependency <4>[ 67.238775] amba 230c0000.funnel: deferred probe timeout, ignoring dependency <4>[ 67.246321] amba 23110000.cpu-debug: deferred probe timeout, ignoring dependency <4>[ 67.254119] amba 23140000.etm: deferred probe timeout, ignoring dependency <4>[ 67.261429] amba 23210000.cpu-debug: deferred probe timeout, ignoring dependency <4>[ 67.269249] amba 23240000.etm: deferred probe timeout, ignoring dependency <4>[ 67.276528] amba 23310000.cpu-debug: deferred probe timeout, ignoring dependency <4>[ 67.284318] amba 23340000.etm: deferred probe timeout, ignoring dependency kselftest_armhf.tar 73%[=============> ] 1.41M 223KB/s eta 4s kselftest_armhf.tar 76%[==============> ] 1.48M 231KB/s eta 2s kselftest_armhf.tar 79%[==============> ] 1.53M 233KB/s eta 2s kselftest_armhf.tar 81%[===============> ] 1.57M 233KB/s eta 2s kselftest_armhf.tar 84%[===============> ] 1.62M 232KB/s eta 2s kselftest_armhf.tar 87%[================> ] 1.67M 234KB/s eta 2s kselftest_armhf.tar 90%[=================> ] 1.73M 240KB/s eta 1s kselftest_armhf.tar 92%[=================> ] 1.79M 241KB/s eta 1s kselftest_armhf.tar 96%[==================> ] 1.85M 246KB/s eta 1s kselftest_armhf.tar 99%[==================> ] 1.91M 247KB/s eta 1s kselftest_armhf.tar 100%[===================>] 1.92M 250KB/s in 9.3s 2024-09-16 17:44:50 (212 KB/s) - 'kselftest_armhf.tar.gz' saved [2015948/2015948] 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>[ 91.403161] 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>[ 93.065781] lkdtm: Performing direct entry BUG <4>[ 93.070833] ------------[ cut here ]------------ <2>[ 93.075749] kernel BUG at drivers/misc/lkdtm/bugs.c:76! <0>[ 93.081576] Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP <4>[ 93.088650] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 93.100434] CPU: 0 PID: 700 Comm: cat Tainted: G W 5.10.224-cip52 #1 <4>[ 93.108371] Hardware name: ARM Juno development board (r0) (DT) <4>[ 93.114572] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 93.120866] pc : lkdtm_BUG+0x8/0x10 <4>[ 93.124631] lr : lkdtm_do_action+0x24/0x40 <4>[ 93.129000] sp : ffff80001467bd10 <4>[ 93.132585] x29: ffff80001467bd10 x28: ffff000800ba9880 <4>[ 93.138188] x27: 0000000000000000 x26: 0000000000000000 <4>[ 93.143790] x25: ffff8000114db320 x24: ffff80001467be20 <4>[ 93.149392] x23: 0000000000000004 x22: ffff0008042a6000 <4>[ 93.154994] x21: ffff8000119f0d58 x20: 0000000000000001 <4>[ 93.160595] x19: ffff8000114db340 x18: 0000000000000006 <4>[ 93.166197] x17: 0000000000000100 x16: 0000000000000000 <4>[ 93.171799] x15: ffff80001467b870 x14: 0000000000000028 <4>[ 93.177401] x13: 0000000000000003 x12: ffff8000129ebb50 <4>[ 93.183003] x11: 0000000000000018 x10: ffff8000125fc128 <4>[ 93.188605] x9 : ffff800010a09bb4 x8 : 00000000ffffefff <4>[ 93.194207] x7 : ffff8000125fc128 x6 : ffff800012575000 <4>[ 93.199809] x5 : ffff800012575c88 x4 : ffff00097ef08c68 <4>[ 93.205410] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 93.211011] x1 : ffff000800ba9880 x0 : ffff800010a0a240 <4>[ 93.216613] Call trace: <4>[ 93.219333] lkdtm_BUG+0x8/0x10 <4>[ 93.222750] direct_entry+0xc8/0x130 <4>[ 93.226602] full_proxy_write+0x68/0xbc <4>[ 93.230714] vfs_write+0xec/0x22c <4>[ 93.234303] ksys_write+0x78/0x110 <4>[ 93.237978] __arm64_sys_write+0x24/0x30 <4>[ 93.242180] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 93.247249] do_el0_svc+0x2c/0xa4 <4>[ 93.250840] el0_svc+0x20/0x30 <4>[ 93.254170] el0_sync_handler+0xe8/0x114 <4>[ 93.258368] el0_sync+0x180/0x1c0 <0>[ 93.261962] Code: d503201f d503201f aa1e03e9 d503201f (d4210000) <4>[ 93.268340] ---[ end trace 5e26b21ecf842902 ]--- <6>[ 93.273234] note: cat[700] exited with preempt_count 1 <3>[ 93.278650] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 93.287810] in_atomic(): 0, irqs_disabled(): 128, non_block: 0, pid: 700, name: cat <4>[ 93.295748] INFO: lockdep is turned off. <4>[ 93.299945] irq event stamp: 2128 <4>[ 93.303539] hardirqs last enabled at (2127): [] console_unlock+0x62c/0x664 <4>[ 93.312352] hardirqs last disabled at (2128): [] el1_dbg+0x24/0x50 <4>[ 93.320382] softirqs last enabled at (2124): [] __do_softirq+0x4dc/0x564 <4>[ 93.329024] softirqs last disabled at (2113): [] __irq_exit_rcu+0x170/0x194 <4>[ 93.337837] CPU: 0 PID: 700 Comm: cat Tainted: G D W 5.10.224-cip52 #1 <4>[ 93.345775] Hardware name: ARM Juno development board (r0) (DT) <4>[ 93.351972] Call trace: <4>[ 93.354692] dump_backtrace+0x0/0x200 <4>[ 93.358630] show_stack+0x20/0x2c <4>[ 93.362221] dump_stack+0x108/0x154 <4>[ 93.365987] ___might_sleep+0x144/0x214 <4>[ 93.370099] __might_sleep+0x5c/0x9c <4>[ 93.373952] exit_signals+0x34/0x240 <4>[ 93.377803] do_exit+0xd0/0xb00 <4>[ 93.381220] make_task_dead+0x5c/0x90 <4>[ 93.385158] die+0x244/0x28c <4>[ 93.388312] bug_handler+0x58/0x80 <4>[ 93.391989] call_break_hook+0x70/0x84 <4>[ 93.396015] brk_handler+0x24/0x64 <4>[ 93.399695] do_debug_exception+0xd0/0x150 <4>[ 93.404069] el1_dbg+0x34/0x50 <4>[ 93.407398] el1_sync_handler+0xc8/0xe4 <4>[ 93.411510] el1_sync+0x88/0x140 <4>[ 93.415016] lkdtm_BUG+0x8/0x10 <4>[ 93.418433] direct_entry+0xc8/0x130 <4>[ 93.422284] full_proxy_write+0x68/0xbc <4>[ 93.426398] vfs_write+0xec/0x22c <4>[ 93.429988] ksys_write+0x78/0x110 <4>[ 93.433666] __arm64_sys_write+0x24/0x30 <4>[ 93.437868] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 93.442938] do_el0_svc+0x2c/0xa4 <4>[ 93.446529] el0_svc+0x20/0x30 <4>[ 93.449859] el0_sync_handler+0xe8/0x114 <4>[ 93.454058] el0_sync+0x180/0x1c0 <4>[ 93.458451] ------------[ cut here ]------------ <4>[ 93.463365] WARNING: CPU: 0 PID: 0 at kernel/rcu/tree.c:625 rcu_eqs_enter.constprop.0+0xfc/0x14c # Segmentation fault <4>[ 93.472434] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 93.486018] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G D W 5.10.224-cip52 #1 <4>[ 93.494303] Hardware name: ARM Juno development board (r0) (DT) <4>[ 93.500504] pstate: 200003c5 (nzCv DAIF -PAN -UAO -TCO BTYPE=--) <4>[ 93.506793] pc : rcu_eqs_enter.constprop.0+0xfc/0x14c <4>[ 93.512125] lr : rcu_idle_enter+0x24/0xec <4>[ 93.516407] sp : ffff800012553e10 <4>[ 93.519992] x29: ffff800012553e10 x28: 0000000081dc0018 <4>[ 93.525595] x27: 00000000fef4a810 x26: 0000000000000000 <4>[ 93.531197] x25: 0000000000000000 x24: 00000015c28e7128 <4>[ 93.536799] x23: 0000000000000000 x22: ffff0008070b5080 <4>[ 93.542401] x21: 0000000000000000 x20: ffff800011dc3400 <4>[ 93.548003] x19: ffff00097ef1e400 x18: 0000000000000000 <4>[ 93.553604] x17: 0000000000000001 x16: ffff000804eab580 <4>[ 93.559206] x15: 0000000000000003 x14: 00000000000003f9 <4>[ 93.564807] x13: 0000000000000000 x12: 0000000000000003 <4>[ 93.570409] x11: 0000000000000000 x10: 0000000000001440 <4>[ 93.576011] x9 : ffff800010e3d0fc x8 : ffff800012581720 <4>[ 93.581612] x7 : 0000000000000005 x6 : 00000001d7406c42 <4>[ 93.587214] x5 : 00ffffffffffffff x4 : 0000000000000015 <4>[ 93.592816] x3 : 000000000458498c x2 : 0000000000000004 <4>[ 93.598418] x1 : 4000000000000002 x0 : 4000000000000000 <4>[ 93.604020] Call trace: <4>[ 93.606741] rcu_eqs_enter.constprop.0+0xfc/0x14c <4>[ 93.611724] rcu_idle_enter+0x24/0xec <4>[ 93.615663] cpuidle_enter_state+0x23c/0x320 <4>[ 93.620209] cpuidle_enter+0x40/0x60 <4>[ 93.624061] do_idle+0x240/0x2d0 <4>[ 93.627564] cpu_startup_entry+0x30/0x6c <4>[ 93.631762] rest_init+0x174/0x2a0 <4>[ 93.635441] arch_call_rest_init+0x18/0x24 <4>[ 93.639814] start_kernel+0x574/0x5ac <4>[ 93.643749] irq event stamp: 1100790 <4>[ 93.647602] hardirqs last enabled at (1100789): [] tick_nohz_idle_exit+0x78/0x1a0 <4>[ 93.657025] hardirqs last disabled at (1100790): [] __schedule+0x6a8/0x920 <4>[ 93.665752] softirqs last enabled at (1100786): [] _local_bh_enable+0x2c/0x50 <4>[ 93.674825] softirqs last disabled at (1100785): [] irq_enter_rcu+0x7c/0xa0 <4>[ 93.683632] ---[ end trace 5e26b21ecf842903 ]--- # [ 93.065781] lkdtm: Performing direct entry BUG # [ 93.070833] ------------[ cut here ]------------ # [ 93.075749] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 93.081576] Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP # [ 93.088650] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 93.100434] CPU: 0 PID: 700 Comm: cat Tainted: G W 5.10.224-cip52 #1 # [ 93.108371] Hardware name: ARM Juno development board (r0) (DT) # [ 93.114572] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 93.120866] pc : lkdtm_BUG+0x8/0x10 # [ 93.124631] lr : lkdtm_do_action+0x24/0x40 # [ 93.129000] sp : ffff80001467bd10 # [ 93.132585] x29: ffff80001467bd10 x28: ffff000800ba9880 # [ 93.138188] x27: 0000000000000000 x26: 0000000000000000 # [ 93.143790] x25: ffff8000114db320 x24: ffff80001467be20 # [ 93.149392] x23: 0000000000000004 x22: ffff0008042a6000 # [ 93.154994] x21: ffff8000119f0d58 x20: 0000000000000001 # [ 93.160595] x19: ffff8000114db340 x18: 0000000000000006 # [ 93.166197] x17: 0000000000000100 x16: 0000000000000000 # [ 93.171799] x15: ffff80001467b870 x14: 0000000000000028 # [ 93.177401] x13: 0000000000000003 x12: ffff8000129ebb50 # [ 93.183003] x11: 0000000000000018 x10: ffff8000125fc128 # [ 93.188605] x9 : ffff800010a09bb4 x8 : 00000000ffffefff # [ 93.194207] x7 : ffff8000125fc128 x6 : ffff800012575000 # [ 93.199809] x5 : ffff800012575c88 x4 : ffff00097ef08c68 # [ 93.205410] x3 : 0000000000000000 x2 : 0000000000000000 # [ 93.211011] x1 : ffff000800ba9880 x0 : ffff800010a0a240 # [ 93.216613] Call trace: # [ 93.219333] lkdtm_BUG+0x8/0x10 # [ 93.222750] direct_entry+0xc8/0x130 # [ 93.226602] full_proxy_write+0x68/0xbc # [ 93.230714] vfs_write+0xec/0x22c # [ 93.234303] ksys_write+0x78/0x110 # [ 93.237978] __arm64_sys_write+0x24/0x30 # [ 93.242180] el0_svc_common.constprop.0+0x84/0x1e0 # [ 93.247249] do_el0_svc+0x2c/0xa4 # [ 93.250840] el0_svc+0x20/0x30 # [ 93.254170] el0_sync_handler+0xe8/0x114 # [ 93.258368] el0_sync+0x180/0x1c0 # [ 93.261962] Code: d503201f d503201f aa1e03e9 d503201f (d4210000) # [ 93.268340] ---[ end trace 5e26b21ecf842902 ]--- # [ 93.273234] note: cat[700] exited with preempt_count 1 # [ 93.278650] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 93.287810] in_atomic(): 0, irqs_disabled(): 128, non_block: 0, pid: 700, name: cat # [ 93.295748] INFO: lockdep is turned off. # [ 93.299945] irq event stamp: 2128 # [ 93.303539] hardirqs last enabled at (2127): [] console_unlock+0x62c/0x664 # [ 93.312352] hardirqs last disabled at (2128): [] el1_dbg+0x24/0x50 # [ 93.320382] softirqs last enabled at (2124): [] __do_softirq+0x4dc/0x564 # [ 93.329024] softirqs last disabled at (2113): [] __irq_exit_rcu+0x170/0x194 # [ 93.337837] CPU: 0 PID: 700 Comm: cat Tainted: G D W 5.10.224-cip52 #1 # [ 93.345775] Hardware name: ARM Juno development board (r0) (DT) # [ 93.351972] Call trace: # [ 93.354692] dump_backtrace+0x0/0x200 # [ 93.358630] show_stack+0x20/0x2c # [ 93.362221] dump_stack+0x108/0x154 # [ 93.365987] ___might_sleep+0x144/0x214 # [ 93.370099] __might_sleep+0x5c/0x9c # [ 93.373952] exit_signals+0x34/0x240 # [ 93.377803] do_exit+0xd0/0xb00 # [ 93.381220] make_task_dead+0x5c/0x90 # [ 93.385158] die+0x244/0x28c # [ 93.388312] bug_handler+0x58/0x80 # [ 93.391989] call_break_hook+0x70/0x84 # [ 93.396015] brk_handler+0x24/0x64 # [ 93.399695] do_debug_exception+0xd0/0x150 # [ 93.404069] el1_dbg+0x34/0x50 # [ 93.407398] el1_sync_handler+0xc8/0xe4 # [ 93.411510] el1_sync+0x88/0x140 # [ 93.415016] lkdtm_BUG+0x8/0x10 # [ 93.418433] direct_entry+0xc8/0x130 # [ 93.422284] full_proxy_write+0x68/0xbc # [ 93.426398] vfs_write+0xec/0x22c # [ 93.429988] ksys_write+0x78/0x110 # [ 93.433666] __arm64_sys_write+0x24/0x30 # [ 93.437868] el0_svc_common.constprop.0+0x84/0x1e0 # [ 93.442938] do_el0_svc+0x2c/0xa4 # [ 93.446529] el0_svc+0x20/0x30 # [ 93.449859] el0_sync_handler+0xe8/0x114 # [ 93.454058] el0_sync+0x180/0x1c0 # [ 93.458451] ------------[ cut here ]------------ # [ 93.463365] WARNING: CPU: 0 PID: 0 at kernel/rcu/tree.c:625 rcu_eqs_enter.constprop.0+0xfc/0x14c # [ 93.472434] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 93.486018] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G D W 5.10.224-cip52 #1 # [ 93.494303] Hardware name: ARM Juno development board (r0) (DT) # [ 93.500504]<6>[ 94.268891] lkdtm: Performing direct entry WARNING pstate: 200003c5 (nzCv DAIF -PA<4>[ 94.275686] ------------[ cut here ]------------ N -UAO -TCO BTYPE=--) # [ 93.<4>[ 94.283219] WARNING: CPU: 5 PID: 739 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x28/0x34 506793] pc : rcu_eqs_enter.const<4>[ 94.294690] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc prop.0+0xfc/0x14c # [ 93.5121<4>[ 94.309144] CPU: 5 PID: 739 Comm: cat Tainted: G D W 5.10.224-cip52 #1 25] lr : rcu_idle_enter+0x24/0xe<4>[ 94.319843] Hardware name: ARM Juno development board (r0) (DT) c # [ 93.516407] sp : ffff800<4>[ 94.328812] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) 012553e10 # [ 93.519992] x29:<4>[ 94.337864] pc : lkdtm_WARNING+0x28/0x34 ffff800012553e10 x28: 000000008<4>[ 94.344828] lr : lkdtm_do_action+0x24/0x40 1dc0018 # [ 93.525595] x27: <4>[ 94.351960] sp : ffff800014713d10 00000000fef4a810 x26: 0000000000<4>[ 94.358315] x29: ffff800014713d10 x28: ffff000808978000 000000 # [ 93.531197] x25: 0<4>[ 94.366671] x27: 0000000000000000 x26: 0000000000000000 000000000000000 x24: 00000015c28<4>[ 94.375027] x25: ffff8000114db320 x24: ffff800014713e20 e7128 # [ 93.536799] x23: 00<4>[ 94.383383] x23: 0000000000000008 x22: ffff000802ad4000 00000000000000 x22: ffff0008070b<4>[ 94.391739] x21: ffff8000119f0d60 x20: 0000000000000002 5080 # [ 93.542401] x21: 000<4>[ 94.400094] x19: ffff8000114db350 x18: 0000000000000006 0000000000000 x20: ffff800011dc3<4>[ 94.408450] x17: 0000000000000100 x16: 0000000000000000 400 # [ 93.548003] x19: ffff<4>[ 94.416806] x15: ffff800014713870 x14: ffff800094713a2a 00097ef1e400 x18: 00000000000000<4>[ 94.425162] x13: ffff800014713a32 x12: 0000000000000000 00 # [ 93.553604] x17: 00000<4>[ 94.433518] x11: 0000000000000038 x10: ffff8000125fc128 00000000001 x16: ffff000804eab58<4>[ 94.441874] x9 : ffff800010a09bb4 x8 : 00000000ffffefff 0 # [ 93.559206] x15: 000000<4>[ 94.450230] x7 : ffff8000125fc128 x6 : ffff800012575000 0000000003 x14: 00000000000003f9<4>[ 94.458585] x5 : ffff800012575c88 x4 : ffff00097efb2c68 # [ 93.564807] x13: 0000000<4>[ 94.466941] x3 : 0000000000000000 x2 : 0000000000000000 000000000 x12: 0000000000000003 <4>[ 94.475297] x1 : ffff8000134b9000 x0 : 0000000000000001 # [ 93.570409] x11: 00000000<4>[ 94.483653] Call trace: 00000000 x10: 0000000000001440 <4>[ 94.489143] lkdtm_WARNING+0x28/0x34 # [ 93.576011] x9 : ffff80001<4>[ 94.495757] direct_entry+0xc8/0x130 0e3d0fc x8 : ffff800012581720 <4>[ 94.502373] full_proxy_write+0x68/0xbc # [ 93.581612] x7 : 0000000000<4>[ 94.509249] vfs_write+0xec/0x22c 000005 x6 : 00000001d7406c42 #<4>[ 94.515602] ksys_write+0x78/0x110 [ 93.587214] x5 : 00fffffffff<4>[ 94.522042] __arm64_sys_write+0x24/0x30 fffff x4 : 0000000000000015 # <4>[ 94.529009] el0_svc_common.constprop.0+0x84/0x1e0 [ 93.592816] x3 : 000000000458<4>[ 94.536840] do_el0_svc+0x2c/0xa4 498c x2 : 0000000000000004 # [<4>[ 94.543196] el0_svc+0x20/0x30 93.598418] x1 : 4000000000000<4>[ 94.549289] el0_sync_handler+0xe8/0x114 002 x0 : 4000000000000000 # [ <4>[ 94.556251] el0_sync+0x180/0x1c0 93.604020] Call trace: # [ <4>[ 94.562603] irq event stamp: 0 93.606741] rcu_eqs_enter.constp<4>[ 94.568702] hardirqs last enabled at (0): [<0000000000000000>] 0x0 rop.0+0xfc/0x14c # [ 93.61172<4>[ 94.578016] hardirqs last disabled at (0): [] copy_process+0x5f4/0x1df4 4] rcu_idle_enter+0x24/0xec # <4>[ 94.589242] softirqs last enabled at (0): [] copy_process+0x5f4/0x1df4 [ 93.615663] cpuidle_enter_st<4>[ 94.600466] softirqs last disabled at (0): [<0000000000000000>] 0x0 ate+0x23c/0x320 # [ 93.620209<4>[ 94.609777] ---[ end trace 5e26b21ecf842904 ]--- ] cpuidle_enter+0x40/0x60 # [ 93.624061] do_idle+0x240/0x2d0 # [ 93.627564] cpu_startup_entry+0x30/0x6c # [ 93.631762] rest_init+0x174/0x2a0 # [ 93.635441] arch_call_rest_init+0x18/0x24 # [ 93.639814] start_kernel+0x574/0x5ac # [ 93.643749] irq event stamp: 1100790 # [ 93.647602] hardirqs last enabled at (1100789): [] tick_nohz_idle_exit+0x78/0x1a0 # [ 93.657025] hardirqs last disabled at (1100790): [] __schedule+0x6a8/0x920 # [ 93.665752] softirqs last enabled at (1100786): [] _local_bh_enable+0x2c/0x50 # [ 93.674825] softirqs last disabled at (1100785): [] irq_enter_rcu+0x7c/0xa0 # [ 93.683632] ---[ end trace 5e26b21ecf842903 ]--- # BUG: saw 'kernel BUG at': ok ok 2 selftests: lkdtm: BUG.sh # selftests: lkdtm: WARNING.sh # [ 94.268891] lkdtm: Performing direct entry WARNING # [ 94.275686] ------------[ cut here ]------------ # [ 94.283219] WARNING: CPU: 5 PID: 739 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x28/0x34 # [ 94.294690] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 94.309144] CPU: 5 PID: 739 Comm: cat Tainted: G D W 5.10.224-cip52 #1 # [ 94.319843] Hardware name: ARM Juno development board (r0) (DT) # [ 94.328812] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 94.337864] pc : lkdtm_WARNING+0x28/0x34 # [ 94.344828] lr : lkdtm_do_action+0x24/0x40 # [ 94.351960] sp : ffff800014713d10 # [ 94.358315] x29: ffff800014713d10 x28: ffff000808978000 # [ 94.366671] x27: 0000000000000000 x26: 0000000000000000 # [ 94.375027] x25: ffff8000114db320 x24: ffff800014713e20 # [ 94.383383] x23: 0000000000000008 x22: ffff000802ad4000 # [ 94.391739] x21: ffff8000119f0d60 x20: 0000000000000002 # [ 94.400094] x19: ffff8000114db350 x18: 0000000000000006 # [ 94.408450] x17: 0000000000000100 x16: 0000000000000000 # [ 94.416806] x15: ffff800014713870 x14: ffff800094713a2a # [ 94.425162] x13: ffff800014713a32 x12: 0000000000000000 # [ 94.433518] x11: 0000000000000038 x10: ffff8000125fc128 # [ 94.441874] x9 : ffff800010a09bb4 x8 : 00000000ffffefff # [ 94.450230] x7 : ffff8000125fc128 x6 : ffff800012575000 # [ 94.458585] x5 : ffff800012575c88 x4 : ffff00097efb2c68 # [ 94.466941] x3 : 0000000000000000 x2 : 0000000000000000 # [ 94.475297] x1 : ffff8000134b9000 x0 : 0000000000000001 # [ 94.483653] Call trace: # [ 94.489143] lkdtm_WARNING+0x28/0x34 # [ 94.495757] direct_entry+0xc8/0x130 # [ 94.502373] full_proxy_write+0x68/0xbc # [ 94.509249] vfs_write+0xec/0x22c # [ 94.515602] ksys_write+0x78/0x110 # [ 94.522042] __arm64_sys_write+0x24/0x30 # [ 94.529009] el0_svc_common.constprop.0+0x84/0x1e0 # [ 94.536840] do_el0_svc+0x2c/0xa4 # [ 94.543196] el0_svc+0x20/0x30 # [ 94.549289] el0_sync_handler+0xe8/0x114 # [ 94.556251] el0_sync+0x180/0x1c0 # [ 94.562603] irq event stamp: 0 # [ 94.568702] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 94.578016] hardirqs last disabled at (0): [] copy_process+0x5f4/0x1df4 # [ 94.589242] softirqs last enabled at (0): [] copy_process+0x5f4/0x1df4 # [ 94.600466] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 94.609777] ---[ end trace 5e26b21ecf842904 ]--- # WARNING: saw 'WARNING:': ok ok 3 selftests: lkdtm: WARNING.sh # selftests: lkdtm: WARNING_MESSAGE.sh <6>[ 95.025204] lkdtm: Performing direct entry WARNING_MESSAGE <4>[ 95.031182] ------------[ cut here ]------------ <4>[ 95.036135] Warning message trigger count: 2 <4>[ 95.040891] WARNING: CPU: 5 PID: 775 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x30/0x40 <4>[ 95.050310] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 95.062097] CPU: 5 PID: 775 Comm: cat Tainted: G D W 5.10.224-cip52 #1 <4>[ 95.070034] Hardware name: ARM Juno development board (r0) (DT) <4>[ 95.076235] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 95.082524] pc : lkdtm_WARNING_MESSAGE+0x30/0x40 <4>[ 95.087420] lr : lkdtm_WARNING_MESSAGE+0x30/0x40 <4>[ 95.092311] sp : ffff8000147cbd00 <4>[ 95.095896] x29: ffff8000147cbd00 x28: ffff000800bac980 <4>[ 95.101500] x27: 0000000000000000 x26: 0000000000000000 <4>[ 95.107102] x25: ffff8000114db320 x24: ffff8000147cbe20 <4>[ 95.112703] x23: 0000000000000010 x22: ffff000803e0d000 <4>[ 95.118305] x21: ffff8000119f0d68 x20: 0000000000000003 <4>[ 95.123907] x19: ffff8000114db360 x18: 0000000000000006 <4>[ 95.129509] x17: 0000000000000100 x16: 0000000000000000 <4>[ 95.135111] x15: ffff8000147cb810 x14: ffff8000947cb9ca <4>[ 95.140713] x13: ffff8000147cb9d3 x12: 0000000000000000 <4>[ 95.146315] x11: 0000000000000038 x10: 0000000000001440 <4>[ 95.151917] x9 : ffff80001012b978 x8 : ffff000800bade20 <4>[ 95.157518] x7 : 0000000000000005 x6 : ffff800012575000 <4>[ 95.163120] x5 : ffff800012575c88 x4 : ffff00097efb2c68 <4>[ 95.168721] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 95.174322] x1 : 0000000000000000 x0 : ffff000800bac980 <4>[ 95.179924] Call trace: <4>[ 95.182646] lkdtm_WARNING_MESSAGE+0x30/0x40 <4>[ 95.187194] lkdtm_do_action+0x24/0x40 <4>[ 95.191219] direct_entry+0xc8/0x130 <4>[ 95.195070] full_proxy_write+0x68/0xbc <4>[ 95.199182] vfs_write+0xec/0x22c <4>[ 95.202771] ksys_write+0x78/0x110 <4>[ 95.206447] __arm64_sys_write+0x24/0x30 <4>[ 95.210648] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 95.215717] do_el0_svc+0x2c/0xa4 <4>[ 95.219308] el0_svc+0x20/0x30 <4>[ 95.222638] el0_sync_handler+0xe8/0x114 <4>[ 95.226836] el0_sync+0x180/0x1c0 <4>[ 95.230422] irq event stamp: 0 <4>[ 95.233753] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 95.240305] hardirqs last disabled at (0): [] copy_process+0x5f4/0x1df4 <4>[ 95.248771] softirqs last enabled at (0): [] copy_process+0x5f4/0x1df4 <4>[ 95.257232] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 95.263777] ---[ end trace 5e26b21ecf842905 ]--- # [ 95.025204] lkdtm: Performing direct entry WARNING_MESSAGE # [ 95.031182] ------------[ cut here ]------------ # [ 95.036135] Warning message trigger count: 2 # [ 95.040891] WARNING: CPU: 5 PID: 775 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x30/0x40 # [ 95.050310] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 95.062097] CPU: 5 PID: 775 Comm: cat Tainted: G D W 5.10.224-cip52 #1 # [ 95.070034] Hardware name: ARM Juno development board (r0) (DT) # [ 95.076235] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 95.082524] pc : lkdtm_WARNING_MESSAGE+0x30/0x40 # [ 95.087420] lr : lkdtm_WARNING_MESSAGE+0x30/0x40 # [ 95.092311] sp : ffff8000147cbd00 # [ 95.095896] x29: ffff8000147cbd00 x28: ffff000800bac980 # [ 95.101500] x27: 0000000000000000 x26: 0000000000000000 # [ 95.107102] x25: ffff8000114db320 x24: ffff8000147cbe20 # [ 95.112703] x23: 0000000000000010 x22: ffff000803e0d000 # [ 95.118305] x21: ffff8000119f0d68 x20: 0000000000000003 # [ 95.123907] x19: ffff8000114db360 x18: 0000000000000006 # [ 95.129509] x17: 0000000000000100 x16: 0000000000000000 # [ 95.135111] x15: ffff8000147cb810 x14: ffff8000947cb9ca # [ 95.140713] x13: ffff8000147cb9d3 x12: 0000000000000000 # [ 95.146315] x11: 0000000000000038 x10: 0000000000001440 # [ 95.151917] x9 : ffff80001012b978 x8 : ffff000800bade20 # [ 95.157518] x7 : 0000000000000005 x6 : ffff800012575000 # [ 95.163120] x5 : ffff800012575c88 x4 : ffff00097efb2c68 # [ 95.168721] x3 : 0000000000000000 x2 : 0000000000000000 # [ 95.174322] x1 : 0000000000000000 x0 : ffff000800bac980 # [ 95.179924] Call trace: # [ 95.182646] lkdtm_WARNING_MESSAGE+0x30/0x40 # [ 95.187194] lkdtm_do_action+0x24/0x40 # [ 95.191219] direct_entry+0xc8/0x130 # [ 95.195070] full_proxy_write+0x68/0xbc # [ 95.199182] vfs_write+0xec/0x22c # [ 95.202771] ksys_write+0x78/0x110 # [ 95.206447] __arm64_sys_write+0x24/0x30 # [ 95.210648] el0_svc_common.constprop.0+0x84/0x1e0 # [ 95.215717] do_el0_svc+0x2c/0xa4 # [ 95.219308] el0_svc+0x20/0x30 # [ 95.222638] el0_sync_handler+0xe8/0x114 # [ 95.226836] el0_sync+0x180/0x1c0 # [ 95.230422] irq event stamp: 0 # [ 95.233753] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 95.240305] hardirqs last disabled at (0): [] copy_process+0x5f4/0x1df4 # [ 95.248771] softirqs last enabled at (0): [] copy_process+0x5f4/0x1df4 # [ 95.257232] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 95.263777] ---[ end trace 5e26b21ecf842905 ]--- # WARNING_MESSAGE: saw 'message trigger': ok ok 4 selftests: lkdtm: WARNING_MESSAGE.sh # selftests: lkdtm: EXCEPTION.sh <6>[ 95.692003] lkdtm: Performing direct entry EXCEPTION <1>[ 95.697332] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000 <1>[ 95.706527] Mem abort info: <1>[ 95.709667] ESR = 0x96000044 <1>[ 95.713568] EC = 0x25: DABT (current EL), IL = 32 bits <1>[ 95.719204] SET = 0, FnV = 0 <1>[ 95.722531] EA = 0, S1PTW = 0 <1>[ 95.725964] Data abort info: <1>[ 95.729132] ISV = 0, ISS = 0x00000044 <1>[ 95.733262] CM = 0, WnR = 1 <1>[ 95.736519] user pgtable: 4k pages, 48-bit VAs, pgdp=0000000884219000 <1>[ 95.743254] [0000000000000000] pgd=0000000000000000, p4d=0000000000000000 <0>[ 95.750361] Internal error: Oops: 0000000096000044 [#2] PREEMPT SMP <4>[ 95.756904] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 95.768656] CPU: 2 PID: 808 Comm: cat Tainted: G D W 5.10.224-cip52 #1 <4>[ 95.776589] Hardware name: ARM Juno development board (r0) (DT) <4>[ 95.782786] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 95.789081] pc : lkdtm_EXCEPTION+0x14/0x1c <4>[ 95.793454] lr : lkdtm_do_action+0x24/0x40 <4>[ 95.797820] sp : ffff800014853d10 <4>[ 95.801407] x29: ffff800014853d10 x28: ffff00080897b100 <4>[ 95.807003] x27: 0000000000000000 x26: 0000000000000000 <4>[ 95.812597] x25: ffff8000114db320 x24: ffff800014853e20 <4>[ 95.818190] x23: 000000000000000a x22: ffff000803e1f000 <4>[ 95.823782] x21: ffff8000119f0d78 x20: 0000000000000004 <4>[ 95.829375] x19: ffff8000114db370 x18: 0000000000000006 <4>[ 95.834967] x17: 0000000000000100 x16: 0000000000000000 <4>[ 95.840559] x15: ffff800014853870 x14: ffff800094853a2a <4>[ 95.846151] x13: ffff800014853a32 x12: 0000000000000010 <4>[ 95.851743] x11: 0000000000000008 x10: ffff8000125fc128 <4>[ 95.857336] x9 : ffff800010a09bb4 x8 : 00000000ffffefff <4>[ 95.862928] x7 : ffff8000125fc128 x6 : ffff800012575000 <4>[ 95.868520] x5 : ffff800012575c88 x4 : ffff00097ef6ec68 <4>[ 95.874112] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 95.879704] x1 : ffff00080897b100 x0 : 0000000000000000 <4>[ 95.885296] Call trace: <4>[ 95.888011] lkdtm_EXCEPTION+0x14/0x1c <4>[ 95.892031] direct_entry+0xc8/0x130 <4>[ 95.895878] full_proxy_write+0x68/0xbc <4>[ 95.899984] vfs_write+0xec/0x22c <4>[ 95.903567] ksys_write+0x78/0x110 <4>[ 95.907237] __arm64_sys_write+0x24/0x30 <4>[ 95.911432] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 95.916495] do_el0_svc+0x2c/0xa4 <4>[ 95.920081] el0_svc+0x20/0x30 <4>[ 95.923404] el0_sync_handler+0xe8/0x114 <4>[ 95.927595] el0_sync+0x180/0x1c0 <0>[ 95.931182] Code: d503201f d2800000 d503233f d50323bf (b900001f) <4>[ 95.937552] ---[ end trace 5e26b21ecf842906 ]--- # Segmentation fault # [ 95.692003] lkdtm: Performing direct entry EXCEPTION # [ 95.697332] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000 # [ 95.706527] Mem abort info: # [ 95.709667] ESR = 0x96000044 # [ 95.713568] EC = 0x25: DABT (current EL), IL = 32 bits # [ 95.719204] SET = 0, FnV = 0 # [ 95.722531] EA = 0, S1PTW = 0 # [ 95.725964] Data abort info: # [ 95.729132] ISV = 0, ISS = 0x00000044 # [ 95.733262] CM = 0, WnR = 1 # [ 95.736519] user pgtable: 4k pages, 48-bit VAs, pgdp=0000000884219000 # [ 95.743254] [0000000000000000] pgd=0000000000000000, p4d=0000000000000000 # [ 95.750361] Internal error: Oops: 0000000096000044 [#2] PREEMPT SMP # [ 95.756904] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 95.768656] CPU: 2 PID: 808 Comm: cat Tainted: G D W 5.10.224-cip52 #1 # [ 95.776589] Hardware name: ARM Juno development board (r0) (DT) # [ 95.782786] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 95.789081] pc : lkdtm_EXCEPTION+0x14/0x1c # [ 95.793454] lr : lkdtm_do_action+0x24/0x40 # [ 95.797820] sp : ffff800014853d10 # [ 95.801407] x29: ffff800014853d10 x28: ffff00080897b100 # [ 95.807003] x27: 0000000000000000 x26: 0000000000000000 # [ 95.812597] x25: ffff8000114db320 x24: ffff800014853e20 # [ 95.818190] x23: 000000000000000a x22: ffff000803e1f000 # [ 95.823782] x21: ffff8000119f0d78 x20: 0000000000000004 # [ 95.829375] x19: ffff8000114db370 x18: 0000000000000006 # [ 95.834967] x17: 0000000000000100 x16: 0000000000000000 # [ 95.840559] x15: ffff800014853870 x14: ffff800094853a2a # [ 95.846151] x13: ffff800014853a32 x12: 0000000000000010 # [ 95.851743] x11: 0000000000000008 x10: ffff8000125fc128 # [ 95.857336] x9 : ffff800010a09bb4 x8 : 00000000ffffefff # [ 95.862928] x7 : ffff8000125fc128 x6 : ffff800012575000 # [ 95.868520] x5 : ffff800012575c88 x4 : ffff00097ef6ec68 # [ 95.874112] x3 : 0000000000000000 x2 : 0000000000000000 # [ 95.879704] x1 : ffff00080897b100 x0 : 0000000000000000 # [ 95.885296] Call trace: # [ 95.888011] lkdtm_EXCEPTION+0x14/0x1c # [ 95.892031] direct_entry+0xc8/0x130 # [ 95.895878] full_proxy_write+0x68/0xbc # [ 95.899984] vfs_write+0xec/0x22c # [ 95.903567] ksys_write+0x78/0x110 # [ 95.907237] __arm64_sys_write+0x24/0x30 # [ 95.911432] el0_svc_common.constprop.0+0x84/0x1e0 # [ 95.916495] do_el0_svc+0x2c/0xa4 # [ 95.920081] el0_svc+0x20/0x30 # [ 95.923404] el0_sync_handler+0xe8/0x114 # [ 95.927595] el0_sync+0x180/0x1c0 # [ 95.931182] Code: d503201f d2800000 d503233f d50323bf (b900001f) # [ 95.937552] ---[ end trace 5e26b21ecf842906 ]--- # 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>[ 97.251578] lkdtm: Performing direct entry CORRUPT_LIST_ADD <6>[ 97.257485] lkdtm: attempting good list addition <6>[ 97.262441] lkdtm: attempting corrupted list addition <3>[ 97.267832] lkdtm: list_add() corruption not detected! # [ 97.251578] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 97.257485] lkdtm: attempting good list addition # [ 97.262441] lkdtm: attempting corrupted list addition # [ 97.267832] 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>[ 97.673774] lkdtm: Performing direct entry CORRUPT_LIST_DEL <6>[ 97.679706] lkdtm: attempting good list removal <6>[ 97.684575] lkdtm: attempting corrupted list removal <3>[ 97.691245] lkdtm: list_del() corruption not detected! # [ 97.673774] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 97.679706] lkdtm: attempting good list removal # [ 97.684575] lkdtm: attempting corrupted list removal # [ 97.691245] 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>[ 98.073216] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING <6>[ 98.079839] lkdtm: attempting bad read from page below current stack <1>[ 98.086540] Unable to handle kernel paging request at virtual address ffff800014c1ffff <1>[ 98.094900] Mem abort info: <1>[ 98.097985] ESR = 0x96000007 <1>[ 98.101446] EC = 0x25: DABT (current EL), IL = 32 bits <1>[ 98.107169] SET = 0, FnV = 0 <1>[ 98.110495] EA = 0, S1PTW = 0 <1>[ 98.113947] Data abort info: <1>[ 98.117123] ISV = 0, ISS = 0x00000007 <1>[ 98.121247] CM = 0, WnR = 0 <1>[ 98.124507] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081db0000 <1>[ 98.131509] [ffff800014c1ffff] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=00000008871a0003, pte=0000000000000000 <0>[ 98.144393] Internal error: Oops: 0000000096000007 [#3] PREEMPT SMP <4>[ 98.150936] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 98.162697] CPU: 2 PID: 1050 Comm: cat Tainted: G D W 5.10.224-cip52 #1 <4>[ 98.170717] Hardware name: ARM Juno development board (r0) (DT) <4>[ 98.176914] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 98.183205] pc : lkdtm_STACK_GUARD_PAGE_LEADING+0x38/0x5c <4>[ 98.188887] lr : lkdtm_STACK_GUARD_PAGE_LEADING+0x30/0x5c <4>[ 98.194560] sp : ffff800014c23ce0 <4>[ 98.198149] x29: ffff800014c23ce0 x28: ffff0008073e9880 <4>[ 98.203748] x27: 0000000000000000 x26: 0000000000000000 <4>[ 98.209341] x25: ffff8000114db320 x24: ffff800014c23e20 <4>[ 98.214934] x23: 0000000000000019 x22: ffff0008030b6000 <4>[ 98.220527] x21: ffff8000119f0df8 x20: 000000000000000b <4>[ 98.226119] x19: ffff800014c20000 x18: 0000000000000006 <4>[ 98.231712] x17: 0000000000000100 x16: 0000000000000000 <4>[ 98.237304] x15: ffff800014c23830 x14: ffff800094c239ea <4>[ 98.242896] x13: ffff800014c239f3 x12: 0000000000000008 <4>[ 98.248488] x11: 0000000000000000 x10: ffff8000125fc128 <4>[ 98.254081] x9 : ffff80001012b978 x8 : 00000000ffffefff <4>[ 98.259673] x7 : ffff8000125fc128 x6 : ffff800012575000 <4>[ 98.265266] x5 : ffff800012575c88 x4 : ffff00097ef90c68 <4>[ 98.270858] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 98.276450] x1 : ffff0008073e9880 x0 : ffff8000119f18b8 <4>[ 98.282043] Call trace: <4>[ 98.284758] lkdtm_STACK_GUARD_PAGE_LEADING+0x38/0x5c <4>[ 98.290085] lkdtm_do_action+0x24/0x40 <4>[ 98.294105] direct_entry+0xc8/0x130 <4>[ 98.297950] full_proxy_write+0x68/0xbc <4>[ 98.302057] vfs_write+0xec/0x22c <4>[ 98.305640] ksys_write+0x78/0x110 <4>[ 98.309310] __arm64_sys_write+0x24/0x30 <4>[ 98.313505] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 98.318568] do_el0_svc+0x2c/0xa4 <4>[ 98.322152] el0_svc+0x20/0x30 <4>[ 98.325475] el0_sync_handler+0xe8/0x114 <4>[ 98.329668] el0_sync+0x180/0x1c0 <0>[ 98.333255] Code: 9121e000 97ffe01e 90003e60 9122e000 (385ff261) <4>[ 98.339625] ---[ end trace 5e26b21ecf842907 ]--- # Segmentation fault # [ 98.073216] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 98.079839] lkdtm: attempting bad read from page below current stack # [ 98.086540] Unable to handle kernel paging request at virtual address ffff800014c1ffff # [ 98.094900] Mem abort info: # [ 98.097985] ESR = 0x96000007 # [ 98.101446] EC = 0x25: DABT (current EL), IL = 32 bits # [ 98.107169] SET = 0, FnV = 0 # [ 98.110495] EA = 0, S1PTW = 0 # [ 98.113947] Data abort info: # [ 98.117123] ISV = 0, ISS = 0x00000007 # [ 98.121247] CM = 0, WnR = 0 # [ 98.124507] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081db0000 # [ 98.131509] [ffff800014c1ffff] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=00000008871a0003, pte=0000000000000000 # [ 98.144393] Internal error: Oops: 0000000096000007 [#3] PREEMPT SMP # [ 98.150936] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 98.162697] CPU: 2 PID: 1050 Comm: cat Tainted: G D W 5.10.224-cip52 #1 # [ 98.170717] Hardware name: ARM Juno development board (r0) (DT) # [ 98.176914] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 98.183205] pc : lkdtm_STACK_GUARD_PAGE_LEADING+0x38/0x5c # [ 98.188887] lr : lkdtm_STACK_GUARD_PAGE_LEADING+0x30/0x5c # [ 98.194560] sp : ffff800014c23ce0 # [ 98.198149] x29: ffff800014c23ce0 x28: ffff0008073e9880 # [ 98.203748] x27: 0000000000000000 x26: 0000000000000000 # [ 98.209341] x25: ffff8000114db320 x24: ffff800014c23e20 # [ 98.214934] x23: 0000000000000019 x22: ffff0008030b6000 # [ 98.220527] x21: ffff8000119f0df8 x20: 000000000000000b # [ 98.226119] x19: ffff800014c20000 x18: 0000000000000006 # [ 98.231712] x17: 0000000000000100 x16: 0000000000000000 # [ 98.237304] x15: ffff800014c23830 x14: ffff800094c239ea # [ 98.242896] x13: ffff800014c239f3 x12: 0000000000000008 # [ 98.248488] x11: 0000000000000000 x10: ffff8000125fc128 # [ 98.254081] x9 : ffff80001012b978 x8 : 00000000ffffefff # [ 98.259673] x7 : ffff8000125fc128 x6 : ffff800012575000 # [ 98.265266] x5 : ffff800012575c88 x4 : ffff00097ef90c68 # [ 98.270858] x3 : 0000000000000000 x2 : 0000000000000000 # [ 98.276450] x1 : ffff0008073e9880 x0 : ffff8000119f18b8 # [ 98.282043] Call trace: # [ 98.284758] lkdtm_STACK_GUARD_PAGE_LEADING+0x38/0x5c # [ 98.290085] lkdtm_do_action+0x24/0x40 # [ 98.294105] direct_entry+0xc8/0x130 # [ 98.297950] full_proxy_write+0x68/0xbc # [ 98.302057] vfs_write+0xec/0x22c # [ 98.305640] ksys_write+0x78/0x110 # [ 98.309310] __arm64_sys_write+0x24/0x30 # [ 98.313505] el0_svc_common.constprop.0+0x84/0x1e0 # [ 98.318568] do_el0_svc+0x2c/0xa4 # [ 98.322152] el0_svc+0x20/0x30 # [ 98.325475] el0_sync_handler+0xe8/0x114 # [ 98.329668] el0_sync+0x180/0x1c0 # [ 98.333255] Code: 9121e000 97ffe01e 90003e60 9122e000 (385ff261) # [ 98.339625] ---[ end trace 5e26b21ecf842907 ]--- # 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>[ 98.737045] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING <6>[ 98.743769] lkdtm: attempting bad read from page above current stack <1>[ 98.750502] Unable to handle kernel paging request at virtual address ffff800014ce4000 <1>[ 98.759029] Mem abort info: <1>[ 98.762100] ESR = 0x96000007 <1>[ 98.765484] EC = 0x25: DABT (current EL), IL = 32 bits <1>[ 98.771099] SET = 0, FnV = 0 <1>[ 98.774424] EA = 0, S1PTW = 0 <1>[ 98.777857] Data abort info: <1>[ 98.781026] ISV = 0, ISS = 0x00000007 <1>[ 98.785158] CM = 0, WnR = 0 <1>[ 98.788485] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081db0000 <1>[ 98.795496] [ffff800014ce4000] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=00000008871a0003, pte=0000000000000000 <0>[ 98.808399] Internal error: Oops: 0000000096000007 [#4] PREEMPT SMP <4>[ 98.814944] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 98.826696] CPU: 1 PID: 1096 Comm: cat Tainted: G D W 5.10.224-cip52 #1 <4>[ 98.834715] Hardware name: ARM Juno development board (r0) (DT) <4>[ 98.840911] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 98.847199] pc : lkdtm_STACK_GUARD_PAGE_TRAILING+0x3c/0x60 <4>[ 98.852959] lr : lkdtm_STACK_GUARD_PAGE_TRAILING+0x30/0x60 <4>[ 98.858720] sp : ffff800014ce3ce0 <4>[ 98.862301] x29: ffff800014ce3ce0 x28: ffff000804a56200 <4>[ 98.867897] x27: 0000000000000000 x26: 0000000000000000 <4>[ 98.873491] x25: ffff8000114db320 x24: ffff800014ce3e20 <4>[ 98.879084] x23: 000000000000001a x22: ffff0008040c3000 <4>[ 98.884677] x21: ffff8000119f0e18 x20: 000000000000000c <4>[ 98.890269] x19: ffff800014ce4000 x18: 0000000000000006 <4>[ 98.895862] x17: 0000000000000100 x16: 0000000000000000 <4>[ 98.901454] x15: ffff800014ce3830 x14: ffff800094ce39ea <4>[ 98.907047] x13: ffff800014ce39f2 x12: 0000000000000010 <4>[ 98.912640] x11: 0000000000000008 x10: ffff8000125fc128 <4>[ 98.918232] x9 : ffff80001012b978 x8 : 00000000ffffefff <4>[ 98.923824] x7 : ffff8000125fc128 x6 : ffff800012575000 <4>[ 98.929417] x5 : ffff800012575c88 x4 : ffff00097ef08c68 <4>[ 98.935009] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 98.940602] x1 : ffff000804a56200 x0 : ffff8000119f1930 <4>[ 98.946194] Call trace: <4>[ 98.948910] lkdtm_STACK_GUARD_PAGE_TRAILING+0x3c/0x60 <4>[ 98.954325] lkdtm_do_action+0x24/0x40 <4>[ 98.958344] direct_entry+0xc8/0x130 <4>[ 98.962189] full_proxy_write+0x68/0xbc <4>[ 98.966296] vfs_write+0xec/0x22c <4>[ 98.969879] ksys_write+0x78/0x110 <4>[ 98.973549] __arm64_sys_write+0x24/0x30 <4>[ 98.977744] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 98.982806] do_el0_svc+0x2c/0xa4 <4>[ 98.986390] el0_svc+0x20/0x30 <4>[ 98.989713] el0_sync_handler+0xe8/0x114 <4>[ 98.993905] el0_sync+0x180/0x1c0 <0>[ 98.997492] Code: 97ffe007 91401273 90003e60 9124c000 (39400261) <4>[ 99.003862] ---[ end trace 5e26b21ecf842908 ]--- # Segmentation fault # [ 98.737045] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING # [ 98.743769] lkdtm: attempting bad read from page above current stack # [ 98.750502] Unable to handle kernel paging request at virtual address ffff800014ce4000 # [ 98.759029] Mem abort info: # [ 98.762100] ESR = 0x96000007 # [ 98.765484] EC = 0x25: DABT (current EL), IL = 32 bits # [ 98.771099] SET = 0, FnV = 0 # [ 98.774424] EA = 0, S1PTW = 0 # [ 98.777857] Data abort info: # [ 98.781026] ISV = 0, ISS = 0x00000007 # [ 98.785158] CM = 0, WnR = 0 # [ 98.788485] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081db0000 # [ 98.795496] [ffff800014ce4000] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=00000008871a0003, pte=0000000000000000 # [ 98.808399] Internal error: Oops: 0000000096000007 [#4] PREEMPT SMP # [ 98.814944] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 98.826696] CPU: 1 PID: 1096 Comm: cat Tainted: G D W 5.10.224-cip52 #1 # [ 98.834715] Hardware name: ARM Juno development board (r0) (DT) # [ 98.840911] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 98.847199] pc : lkdtm_STACK_GUARD_PAGE_TRAILING+0x3c/0x60 # [ 98.852959] lr : lkdtm_STACK_GUARD_PAGE_TRAILING+0x30/0x60 # [ 98.858720] sp : ffff800014ce3ce0 # [ 98.862301] x29: ffff800014ce3ce0 x28: ffff000804a56200 # [ 98.867897] x27: 0000000000000000 x26: 0000000000000000 # [ 98.873491] x25: ffff8000114db320 x24: ffff800014ce3e20 # [ 98.879084] x23: 000000000000001a x22: ffff0008040c3000 # [ 98.884677] x21: ffff8000119f0e18 x20: 000000000000000c # [ 98.890269] x19: ffff800014ce4000 x18: 0000000000000006 # [ 98.895862] x17: 0000000000000100 x16: 0000000000000000 # [ 98.901454] x15: ffff800014ce3830 x14: ffff800094ce39ea # [ 98.907047] x13: ffff800014ce39f2 x12: 0000000000000010 # [ 98.912640] x11: 0000000000000008 x10: ffff8000125fc128 # [ 98.918232] x9 : ffff80001012b978 x8 : 00000000ffffefff # [ 98.923824] x7 : ffff8000125fc128 x6 : ffff800012575000 # [ 98.929417] x5 : ffff800012575c88 x4 : ffff00097ef08c68 # [ 98.935009] x3 : 0000000000000000 x2 : 0000000000000000 # [ 98.940602] x1 : ffff000804a56200 x0 : ffff8000119f1930 # [ 98.946194] Call trace: # [ 98.948910] lkdtm_STACK_GUARD_PAGE_TRAILING+0x3c/0x60 # [ 98.954325] lkdtm_do_action+0x24/0x40 # [ 98.958344] direct_entry+0xc8/0x130 # [ 98.962189] full_proxy_write+0x68/0xbc # [ 98.966296] vfs_write+0xec/0x22c # [ 98.969879] ksys_write+0x78/0x110 # [ 98.973549] __arm64_sys_write+0x24/0x30 # [ 98.977744] el0_svc_common.constprop.0+0x84/0x1e0 # [ 98.982806] do_el0_svc+0x2c/0xa4 # [ 98.986390] el0_svc+0x20/0x30 # [ 98.989713] el0_sync_handler+0xe8/0x114 # [ 98.993905] el0_sync+0x180/0x1c0 # [ 98.997492] Code: 97ffe007 91401273 90003e60 9124c000 (39400261) # [ 99.003862] ---[ end trace 5e26b21ecf842908 ]--- # STACK_GUARD_PAGE_TRAILING: saw 'call trace:': ok ok 13 selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # selftests: lkdtm: UNSET_SMEP.sh <6>[ 99.429283] lkdtm: Performing direct entry UNSET_SMEP <3>[ 99.434691] lkdtm: XFAIL: this test is x86_64-only # [ 99.429283] lkdtm: Performing direct entry UNSET_SMEP # [ 99.434691] 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>[ 99.866452] lkdtm: Performing direct entry DOUBLE_FAULT <3>[ 99.872104] lkdtm: XFAIL: this test is ia32-only # [ 99.866452] lkdtm: Performing direct entry DOUBLE_FAULT # [ 99.872104] 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>[ 100.270527] lkdtm: Performing direct entry CORRUPT_PAC <3>[ 100.276037] lkdtm: FAIL: CPU lacks pointer authentication feature # [ 100.270527] lkdtm: Performing direct entry CORRUPT_PAC # [ 100.276037] 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>[ 100.671387] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE <3>[ 100.678178] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS # [ 100.671387] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # [ 100.678178] 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>[ 101.553458] lkdtm: Performing direct entry READ_AFTER_FREE <6>[ 101.559319] lkdtm: Value in memory before free: 12345678 <6>[ 101.564982] lkdtm: Attempting bad read from freed memory <6>[ 101.570621] lkdtm: Memory was not poisoned # [ 101.553458] lkdtm: Performing direct entry READ_AFTER_FREE # [ 101.559319] lkdtm: Value in memory before free: 12345678 # [ 101.564982] lkdtm: Attempting bad read from freed memory # [ 101.570621] 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>[ 102.208543] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE <6>[ 102.214893] lkdtm: Value in memory before free: 12345678 <6>[ 102.220606] lkdtm: Attempting to read from freed memory <6>[ 102.226182] lkdtm: Buddy page was not poisoned # [ 102.208543] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE # [ 102.214893] lkdtm: Value in memory before free: 12345678 # [ 102.220606] lkdtm: Attempting to read from freed memory # [ 102.226182] 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>[ 102.644641] lkdtm: Performing direct entry SLAB_FREE_DOUBLE <6>[ 102.650640] lkdtm: Attempting double slab free ... # [ 102.644641] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 102.650640] 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>[ 103.052247] lkdtm: Performing direct entry SLAB_FREE_CROSS <6>[ 103.058110] lkdtm: Attempting cross-cache slab free ... # [ 103.052247] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 103.058110] 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>[ 103.482116] lkdtm: Performing direct entry SLAB_FREE_PAGE <6>[ 103.487874] lkdtm: Attempting non-Slab slab free ... # [ 103.482116] lkdtm: Performing direct entry SLAB_FREE_PAGE # [ 103.487874] 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>[ 104.768865] lkdtm: Performing direct entry EXEC_DATA <6>[ 104.774187] lkdtm: attempting ok execution at ffff800010a0aad0 <6>[ 104.780541] lkdtm: attempting bad execution at ffff8000134b98f8 <1>[ 104.786802] Unable to handle kernel execute from non-executable memory at virtual address ffff8000134b98f8 <1>[ 104.796860] Mem abort info: <1>[ 104.799992] ESR = 0x8600000f <1>[ 104.803489] EC = 0x21: IABT (current EL), IL = 32 bits <1>[ 104.809206] SET = 0, FnV = 0 <1>[ 104.812583] EA = 0, S1PTW = 0 <1>[ 104.816025] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081db0000 <1>[ 104.823029] [ffff8000134b98f8] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=00000009ffff9003, pte=00780000836b9703 <0>[ 104.835933] Internal error: Oops: 000000008600000f [#5] PREEMPT SMP <4>[ 104.842477] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 104.854232] CPU: 1 PID: 1670 Comm: cat Tainted: G D W 5.10.224-cip52 #1 <4>[ 104.862257] Hardware name: ARM Juno development board (r0) (DT) <4>[ 104.868455] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 104.874748] pc : data_area+0x0/0x40 <4>[ 104.878510] lr : execute_location+0x74/0x94 <4>[ 104.882962] sp : ffff80001570bcd0 <4>[ 104.886546] x29: ffff80001570bcd0 x28: ffff00080897b100 <4>[ 104.892145] x27: 0000000000000000 x26: 0000000000000000 <4>[ 104.897739] x25: ffff8000114db320 x24: ffff80001570be20 <4>[ 104.903332] x23: 000000000000000a x22: ffff000808814000 <4>[ 104.908925] x21: 0000000000000001 x20: ffff800010a0aad0 <4>[ 104.914518] x19: ffff8000134b98f8 x18: 0000000000000006 <4>[ 104.920110] x17: 0000000000000100 x16: 0000000000000000 <4>[ 104.925703] x15: ffff80001570b820 x14: ffff80009570b9da <4>[ 104.931296] x13: ffff80001570b9e2 x12: 52819801d2800802 <4>[ 104.936888] x11: a9be7bfdf00085a0 x10: ffff8000125fc128 <4>[ 104.942481] x9 : ffff80001012b978 x8 : 00000000ffffefff <4>[ 104.948073] x7 : ffff8000125fc128 x6 : ffff800012575000 <4>[ 104.953666] x5 : ffff800012575c88 x4 : ffff00097ef90c68 <4>[ 104.959258] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 104.964849] x1 : ffff00080897b100 x0 : 0000000000000033 <4>[ 104.970442] Call trace: <4>[ 104.973157] data_area+0x0/0x40 <4>[ 104.976567] lkdtm_EXEC_DATA+0x24/0x30 <4>[ 104.980588] lkdtm_do_action+0x24/0x40 <4>[ 104.984607] direct_entry+0xc8/0x130 <4>[ 104.988453] full_proxy_write+0x68/0xbc <4>[ 104.992559] vfs_write+0xec/0x22c <4>[ 104.996142] ksys_write+0x78/0x110 <4>[ 104.999812] __arm64_sys_write+0x24/0x30 <4>[ 105.004007] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 105.009070] do_el0_svc+0x2c/0xa4 <4>[ 105.012654] el0_svc+0x20/0x30 <4>[ 105.015977] el0_sync_handler+0xe8/0x114 <4>[ 105.020169] el0_sync+0x180/0x1c0 <0>[ 105.023756] Code: 06d5bd00 ffff0008 06d5be00 ffff0008 (aa1e03e9) <4>[ 105.030126] ---[ end trace 5e26b21ecf842909 ]--- # Segmentation fault # [ 104.768865] lkdtm: Performing direct entry EXEC_DATA # [ 104.774187] lkdtm: attempting ok execution at ffff800010a0aad0 # [ 104.780541] lkdtm: attempting bad execution at ffff8000134b98f8 # [ 104.786802] Unable to handle kernel execute from non-executable memory at virtual address ffff8000134b98f8 # [ 104.796860] Mem abort info: # [ 104.799992] ESR = 0x8600000f # [ 104.803489] EC = 0x21: IABT (current EL), IL = 32 bits # [ 104.809206] SET = 0, FnV = 0 # [ 104.812583] EA = 0, S1PTW = 0 # [ 104.816025] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081db0000 # [ 104.823029] [ffff8000134b98f8] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=00000009ffff9003, pte=00780000836b9703 # [ 104.835933] Internal error: Oops: 000000008600000f [#5] PREEMPT SMP # [ 104.842477] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 104.854232] CPU: 1 PID: 1670 Comm: cat Tainted: G D W 5.10.224-cip52 #1 # [ 104.862257] Hardware name: ARM Juno development board (r0) (DT) # [ 104.868455] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 104.874748] pc : data_area+0x0/0x40 # [ 104.878510] lr : execute_location+0x74/0x94 # [ 104.882962] sp : ffff80001570bcd0 # [ 104.886546] x29: ffff80001570bcd0 x28: ffff00080897b100 # [ 104.892145] x27: 0000000000000000 x26: 0000000000000000 # [ 104.897739] x25: ffff8000114db320 x24: ffff80001570be20 # [ 104.903332] x23: 000000000000000a x22: ffff000808814000 # [ 104.908925] x21: 0000000000000001 x20: ffff800010a0aad0 # [ 104.914518] x19: ffff8000134b98f8 x18: 0000000000000006 # [ 104.920110] x17: 0000000000000100 x16: 0000000000000000 # [ 104.925703] x15: ffff80001570b820 x14: ffff80009570b9da # [ 104.931296] x13: ffff80001570b9e2 x12: 52819801d2800802 # [ 104.936888] x11: a9be7bfdf00085a0 x10: ffff8000125fc128 # [ 104.942481] x9 : ffff80001012b978 x8 : 00000000ffffefff # [ 104.948073] x7 : ffff8000125fc128 x6 : ffff800012575000 # [ 104.953666] x5 : ffff800012575c88 x4 : ffff00097ef90c68 # [ 104.959258] x3 : 0000000000000000 x2 : 0000000000000000 # [ 104.964849] x1 : ffff00080897b100 x0 : 0000000000000033 # [ 104.970442] Call trace: # [ 104.973157] data_area+0x0/0x40 # [ 104.976567] lkdtm_EXEC_DATA+0x24/0x30 # [ 104.980588] lkdtm_do_action+0x24/0x40 # [ 104.984607] direct_entry+0xc8/0x130 # [ 104.988453] full_proxy_write+0x68/0xbc # [ 104.992559] vfs_write+0xec/0x22c # [ 104.996142] ksys_write+0x78/0x110 # [ 104.999812] __arm64_sys_write+0x24/0x30 # [ 105.004007] el0_svc_common.constprop.0+0x84/0x1e0 # [ 105.009070] do_el0_svc+0x2c/0xa4 # [ 105.012654] el0_svc+0x20/0x30 # [ 105.015977] el0_sync_handler+0xe8/0x114 # [ 105.020169] el0_sync+0x180/0x1c0 # [ 105.023756] Code: 06d5bd00 ffff0008 06d5be00 ffff0008 (aa1e03e9) # [ 105.030126] ---[ end trace 5e26b21ecf842909 ]--- # EXEC_DATA: saw 'call trace:': ok ok 30 selftests: lkdtm: EXEC_DATA.sh # selftests: lkdtm: EXEC_STACK.sh <6>[ 105.444243] lkdtm: Performing direct entry EXEC_STACK <6>[ 105.449675] lkdtm: attempting ok execution at ffff800010a0aad0 <6>[ 105.455991] lkdtm: attempting bad execution at ffff8000157cbcc8 <1>[ 105.462249] Unable to handle kernel execute from non-executable memory at virtual address ffff8000157cbcc8 <1>[ 105.474924] Mem abort info: <1>[ 105.478083] ESR = 0x8600000f <1>[ 105.481553] EC = 0x21: IABT (current EL), IL = 32 bits <1>[ 105.487186] SET = 0, FnV = 0 <1>[ 105.490514] EA = 0, S1PTW = 0 <1>[ 105.494013] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081db0000 <1>[ 105.501026] [ffff8000157cbcc8] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=0000000884006003, pte=0068000884c72703 <0>[ 105.513914] Internal error: Oops: 000000008600000f [#6] PREEMPT SMP <4>[ 105.520457] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 105.532209] CPU: 1 PID: 1713 Comm: cat Tainted: G D W 5.10.224-cip52 #1 <4>[ 105.540234] Hardware name: ARM Juno development board (r0) (DT) <4>[ 105.546430] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 105.552716] pc : 0xffff8000157cbcc8 <4>[ 105.556484] lr : execute_location+0x74/0x94 <4>[ 105.560935] sp : ffff8000157cbc80 <4>[ 105.564521] x29: ffff8000157cbc80 x28: ffff000804286200 <4>[ 105.570116] x27: 0000000000000000 x26: 0000000000000000 <4>[ 105.575710] x25: ffff8000114db320 x24: ffff8000157cbe20 <4>[ 105.581303] x23: 000000000000000b x22: ffff000803821000 <4>[ 105.586895] x21: 0000000000000001 x20: ffff800010a0aad0 <4>[ 105.592488] x19: ffff8000157cbcc8 x18: 0000000000000006 <4>[ 105.598080] x17: 0000000000000100 x16: 0000000000000000 <4>[ 105.603672] x15: ffff8000157cb7d0 x14: ffff8000957cb98a <4>[ 105.609264] x13: ffff8000157cb992 x12: 52819801d2800802 <4>[ 105.614856] x11: a9be7bfdf00085a0 x10: ffff8000125fc128 <4>[ 105.620448] x9 : ffff80001012b978 x8 : 00000000ffffefff <4>[ 105.626041] x7 : ffff8000125fc128 x6 : ffff800012575000 <4>[ 105.631633] x5 : ffff800012575c88 x4 : ffff00097ef08c68 <4>[ 105.637225] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 105.642817] x1 : ffff000804286200 x0 : 0000000000000033 <4>[ 105.648410] Call trace: <4>[ 105.651122] 0xffff8000157cbcc8 <4>[ 105.654533] lkdtm_EXEC_STACK+0x3c/0x64 <4>[ 105.658644] lkdtm_do_action+0x24/0x40 <4>[ 105.662664] direct_entry+0xc8/0x130 <4>[ 105.666509] full_proxy_write+0x68/0xbc <4>[ 105.670615] vfs_write+0xec/0x22c <4>[ 105.674198] ksys_write+0x78/0x110 <4>[ 105.677868] __arm64_sys_write+0x24/0x30 <4>[ 105.682063] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 105.687126] do_el0_svc+0x2c/0xa4 <4>[ 105.690709] el0_svc+0x20/0x30 <4>[ 105.694032] el0_sync_handler+0xe8/0x114 <4>[ 105.698224] el0_sync+0x180/0x1c0 <0>[ 105.701811] Code: 10a09bb4 ffff8000 157cbd20 ffff8000 (aa1e03e9) <4>[ 105.708181] ---[ end trace 5e26b21ecf84290a ]--- # Segmentation fault # [ 105.444243] lkdtm: Performing direct entry EXEC_STACK # [ 105.449675] lkdtm: attempting ok execution at ffff800010a0aad0 # [ 105.455991] lkdtm: attempting bad execution at ffff8000157cbcc8 # [ 105.462249] Unable to handle kernel execute from non-executable memory at virtual address ffff8000157cbcc8 # [ 105.474924] Mem abort info: # [ 105.478083] ESR = 0x8600000f # [ 105.481553] EC = 0x21: IABT (current EL), IL = 32 bits # [ 105.487186] SET = 0, FnV = 0 # [ 105.490514] EA = 0, S1PTW = 0 # [ 105.494013] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081db0000 # [ 105.501026] [ffff8000157cbcc8] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=0000000884006003, pte=0068000884c72703 # [ 105.513914] Internal error: Oops: 000000008600000f [#6] PREEMPT SMP # [ 105.520457] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 105.532209] CPU: 1 PID: 1713 Comm: cat Tainted: G D W 5.10.224-cip52 #1 # [ 105.540234] Hardware name: ARM Juno development board (r0) (DT) # [ 105.546430] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 105.552716] pc : 0xffff8000157cbcc8 # [ 105.556484] lr : execute_location+0x74/0x94 # [ 105.560935] sp : ffff8000157cbc80 # [ 105.564521] x29: ffff8000157cbc80 x28: ffff000804286200 # [ 105.570116] x27: 0000000000000000 x26: 0000000000000000 # [ 105.575710] x25: ffff8000114db320 x24: ffff8000157cbe20 # [ 105.581303] x23: 000000000000000b x22: ffff000803821000 # [ 105.586895] x21: 0000000000000001 x20: ffff800010a0aad0 # [ 105.592488] x19: ffff8000157cbcc8 x18: 0000000000000006 # [ 105.598080] x17: 0000000000000100 x16: 0000000000000000 # [ 105.603672] x15: ffff8000157cb7d0 x14: ffff8000957cb98a # [ 105.609264] x13: ffff8000157cb992 x12: 52819801d2800802 # [ 105.614856] x11: a9be7bfdf00085a0 x10: ffff8000125fc128 # [ 105.620448] x9 : ffff80001012b978 x8 : 00000000ffffefff # [ 105.626041] x7 : ffff8000125fc128 x6 : ffff800012575000 # [ 105.631633] x5 : ffff800012575c88 x4 : ffff00097ef08c68 # [ 105.637225] x3 : 0000000000000000 x2 : 0000000000000000 # [ 105.642817] x1 : ffff000804286200 x0 : 0000000000000033 # [ 105.648410] Call trace: # [ 105.651122] 0xffff8000157cbcc8 # [ 105.654533] lkdtm_EXEC_STACK+0x3c/0x64 # [ 105.658644] lkdtm_do_action+0x24/0x40 # [ 105.662664] direct_entry+0xc8/0x130 # [ 105.666509] full_proxy_write+0x68/0xbc # [ 105.670615] vfs_write+0xec/0x22c # [ 105.674198] ksys_write+0x78/0x110 # [ 105.677868] __arm64_sys_write+0x24/0x30 # [ 105.682063] el0_svc_common.constprop.0+0x84/0x1e0 # [ 105.687126] do_el0_svc+0x2c/0xa4 # [ 105.690709] el0_svc+0x20/0x30 # [ 105.694032] el0_sync_handler+0xe8/0x114 # [ 105.698224] el0_sync+0x180/0x1c0 # [ 105.701811] Code: 10a09bb4 ffff8000 157cbd20 ffff8000 (aa1e03e9) # [ 105.708181] ---[ end trace 5e26b21ecf84290a ]--- # EXEC_STACK: saw 'call trace:': ok ok 31 selftests: lkdtm: EXEC_STACK.sh # selftests: lkdtm: EXEC_KMALLOC.sh <6>[ 106.116836] lkdtm: Performing direct entry EXEC_KMALLOC <6>[ 106.122494] lkdtm: attempting ok execution at ffff800010a0aad0 <6>[ 106.128885] lkdtm: attempting bad execution at ffff000803f54100 <1>[ 106.135171] Unable to handle kernel execute from non-executable memory at virtual address ffff000803f54100 <1>[ 106.145350] Mem abort info: <1>[ 106.148539] ESR = 0x8600000f <1>[ 106.151919] EC = 0x21: IABT (current EL), IL = 32 bits <1>[ 106.157533] SET = 0, FnV = 0 <1>[ 106.160878] EA = 0, S1PTW = 0 <1>[ 106.164312] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081db0000 <1>[ 106.171316] [ffff000803f54100] pgd=00000009ffff8003, p4d=00000009ffff8003, pud=00000009ffc0a003, pmd=00000009ffbea003, pte=0068000883f54707 <0>[ 106.184198] Internal error: Oops: 000000008600000f [#7] PREEMPT SMP <4>[ 106.190741] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 106.202493] CPU: 1 PID: 1756 Comm: cat Tainted: G D W 5.10.224-cip52 #1 <4>[ 106.210512] Hardware name: ARM Juno development board (r0) (DT) <4>[ 106.216708] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 106.222992] pc : 0xffff000803f54100 <4>[ 106.226754] lr : execute_location+0x74/0x94 <4>[ 106.231205] sp : ffff800015893cc0 <4>[ 106.234787] x29: ffff800015893cc0 x28: ffff000804a50000 <4>[ 106.240386] x27: 0000000000000000 x26: 0000000000000000 <4>[ 106.245981] x25: ffff8000114db320 x24: ffff800015893e20 <4>[ 106.251574] x23: 000000000000000d x22: ffff0008069ea000 <4>[ 106.257166] x21: 0000000000000001 x20: ffff800010a0aad0 <4>[ 106.262758] x19: ffff000803f54100 x18: 0000000000000006 <4>[ 106.268350] x17: 0000000000000100 x16: 0000000000000000 <4>[ 106.273943] x15: ffff800015893810 x14: ffff8000958939ca <4>[ 106.279535] x13: ffff8000158939d2 x12: 52819801d2800802 <4>[ 106.285128] x11: a9be7bfdf00085a0 x10: ffff8000125fc128 <4>[ 106.290721] x9 : ffff80001012b978 x8 : 00000000ffffefff <4>[ 106.296313] x7 : ffff8000125fc128 x6 : ffff800012575000 <4>[ 106.301905] x5 : ffff800012575c88 x4 : ffff00097ef6ec68 <4>[ 106.307497] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 106.313089] x1 : ffff000804a50000 x0 : 0000000000000033 <4>[ 106.318682] Call trace: <4>[ 106.321395] 0xffff000803f54100 <4>[ 106.324809] lkdtm_EXEC_KMALLOC+0x38/0x50 <4>[ 106.329089] lkdtm_do_action+0x24/0x40 <4>[ 106.333108] direct_entry+0xc8/0x130 <4>[ 106.336954] full_proxy_write+0x68/0xbc <4>[ 106.341061] vfs_write+0xec/0x22c <4>[ 106.344644] ksys_write+0x78/0x110 <4>[ 106.348314] __arm64_sys_write+0x24/0x30 <4>[ 106.352510] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 106.357574] do_el0_svc+0x2c/0xa4 <4>[ 106.361157] el0_svc+0x20/0x30 <4>[ 106.364481] el0_sync_handler+0xe8/0x114 <4>[ 106.368672] el0_sync+0x180/0x1c0 <0>[ 106.372260] Code: 00000000 00000000 00000000 00000000 (aa1e03e9) <4>[ 106.378630] ---[ end trace 5e26b21ecf84290b ]--- # Segmentation fault # [ 106.116836] lkdtm: Performing direct entry EXEC_KMALLOC # [ 106.122494] lkdtm: attempting ok execution at ffff800010a0aad0 # [ 106.128885] lkdtm: attempting bad execution at ffff000803f54100 # [ 106.135171] Unable to handle kernel execute from non-executable memory at virtual address ffff000803f54100 # [ 106.145350] Mem abort info: # [ 106.148539] ESR = 0x8600000f # [ 106.151919] EC = 0x21: IABT (current EL), IL = 32 bits # [ 106.157533] SET = 0, FnV = 0 # [ 106.160878] EA = 0, S1PTW = 0 # [ 106.164312] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081db0000 # [ 106.171316] [ffff000803f54100] pgd=00000009ffff8003, p4d=00000009ffff8003, pud=00000009ffc0a003, pmd=00000009ffbea003, pte=0068000883f54707 # [ 106.184198] Internal error: Oops: 000000008600000f [#7] PREEMPT SMP # [ 106.190741] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 106.202493] CPU: 1 PID: 1756 Comm: cat Tainted: G D W 5.10.224-cip52 #1 # [ 106.210512] Hardware name: ARM Juno development board (r0) (DT) # [ 106.216708] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 106.222992] pc : 0xffff000803f54100 # [ 106.226754] lr : execute_location+0x74/0x94 # [ 106.231205] sp : ffff800015893cc0 # [ 106.234787] x29: ffff800015893cc0 x28: ffff000804a50000 # [ 106.240386] x27: 0000000000000000 x26: 0000000000000000 # [ 106.245981] x25: ffff8000114db320 x24: ffff800015893e20 # [ 106.251574] x23: 000000000000000d x22: ffff0008069ea000 # [ 106.257166] x21: 0000000000000001 x20: ffff800010a0aad0 # [ 106.262758] x19: ffff000803f54100 x18: 0000000000000006 # [ 106.268350] x17: 0000000000000100 x16: 0000000000000000 # [ 106.273943] x15: ffff800015893810 x14: ffff8000958939ca # [ 106.279535] x13: ffff8000158939d2 x12: 52819801d2800802 # [ 106.285128] x11: a9be7bfdf00085a0 x10: ffff8000125fc128 # [ 106.290721] x9 : ffff80001012b978 x8 : 00000000ffffefff # [ 106.296313] x7 : ffff8000125fc128 x6 : ffff800012575000 # [ 106.301905] x5 : ffff800012575c88 x4 : ffff00097ef6ec68 # [ 106.307497] x3 : 0000000000000000 x2 : 0000000000000000 # [ 106.313089] x1 : ffff000804a50000 x0 : 0000000000000033 # [ 106.318682] Call trace: # [ 106.321395] 0xffff000803f54100 # [ 106.324809] lkdtm_EXEC_KMALLOC+0x38/0x50 # [ 106.329089] lkdtm_do_action+0x24/0x40 # [ 106.333108] direct_entry+0xc8/0x130 # [ 106.336954] full_proxy_write+0x68/0xbc # [ 106.341061] vfs_write+0xec/0x22c # [ 106.344644] ksys_write+0x78/0x110 # [ 106.348314] __arm64_sys_write+0x24/0x30 # [ 106.352510] el0_svc_common.constprop.0+0x84/0x1e0 # [ 106.357574] do_el0_svc+0x2c/0xa4 # [ 106.361157] el0_svc+0x20/0x30 # [ 106.364481] el0_sync_handler+0xe8/0x114 # [ 106.368672] el0_sync+0x180/0x1c0 # [ 106.372260] Code: 00000000 00000000 00000000 00000000 (aa1e03e9) # [ 106.378630] ---[ end trace 5e26b21ecf84290b ]--- # EXEC_KMALLOC: saw 'call trace:': ok ok 32 selftests: lkdtm: EXEC_KMALLOC.sh # selftests: lkdtm: EXEC_VMALLOC.sh <6>[ 106.798327] lkdtm: Performing direct entry EXEC_VMALLOC <6>[ 106.803947] lkdtm: attempting ok execution at ffff800010a0aad0 <6>[ 106.810277] lkdtm: attempting bad execution at ffff800013a53000 <1>[ 106.816537] Unable to handle kernel execute from non-executable memory at virtual address ffff800013a53000 <1>[ 106.826649] Mem abort info: <1>[ 106.829811] ESR = 0x8600000f <1>[ 106.833193] EC = 0x21: IABT (current EL), IL = 32 bits <1>[ 106.838807] SET = 0, FnV = 0 <1>[ 106.842136] EA = 0, S1PTW = 0 <1>[ 106.845573] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081db0000 <1>[ 106.852577] [ffff800013a53000] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=00000008809f9003, pte=006800088429e703 <0>[ 106.865460] Internal error: Oops: 000000008600000f [#8] PREEMPT SMP <4>[ 106.872005] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 106.883766] CPU: 1 PID: 1799 Comm: cat Tainted: G D W 5.10.224-cip52 #1 <4>[ 106.891786] Hardware name: ARM Juno development board (r0) (DT) <4>[ 106.897982] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 106.904269] pc : 0xffff800013a53000 <4>[ 106.908036] lr : execute_location+0x74/0x94 <4>[ 106.912488] sp : ffff800015953cc0 <4>[ 106.916069] x29: ffff800015953cc0 x28: ffff000808978000 <4>[ 106.921665] x27: 0000000000000000 x26: 0000000000000000 <4>[ 106.927259] x25: ffff8000114db320 x24: ffff800015953e20 <4>[ 106.932852] x23: 000000000000000d x22: ffff00080429e000 <4>[ 106.938445] x21: 0000000000000001 x20: ffff800010a0aad0 <4>[ 106.944037] x19: ffff800013a53000 x18: 0000000000000006 <4>[ 106.949630] x17: 0000000000000100 x16: 0000000000000000 <4>[ 106.955223] x15: ffff800015953810 x14: ffff8000959539ca <4>[ 106.960815] x13: ffff8000159539d2 x12: 52819801d2800802 <4>[ 106.966408] x11: a9be7bfdf00085a0 x10: ffff8000125fc128 <4>[ 106.972000] x9 : ffff80001012b978 x8 : 00000000ffffefff <4>[ 106.977592] x7 : ffff8000125fc128 x6 : ffff800012575000 <4>[ 106.983184] x5 : ffff800012575c88 x4 : ffff00097ef90c68 <4>[ 106.988776] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 106.994368] x1 : ffff000808978000 x0 : 0000000000000033 <4>[ 106.999961] Call trace: <4>[ 107.002674] 0xffff800013a53000 <4>[ 107.006087] lkdtm_EXEC_VMALLOC+0x2c/0x4c <4>[ 107.010369] lkdtm_do_action+0x24/0x40 <4>[ 107.014388] direct_entry+0xc8/0x130 <4>[ 107.018235] full_proxy_write+0x68/0xbc <4>[ 107.022341] vfs_write+0xec/0x22c <4>[ 107.025924] ksys_write+0x78/0x110 <4>[ 107.029595] __arm64_sys_write+0x24/0x30 <4>[ 107.033789] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 107.038853] do_el0_svc+0x2c/0xa4 <4>[ 107.042436] el0_svc+0x20/0x30 <4>[ 107.045760] el0_sync_handler+0xe8/0x114 <4>[ 107.049952] el0_sync+0x180/0x1c0 <0>[ 107.053540] Code: bad PC value <4>[ 107.056865] ---[ end trace 5e26b21ecf84290c ]--- # Segmentation fault # [ 106.798327] lkdtm: Performing direct entry EXEC_VMALLOC # [ 106.803947] lkdtm: attempting ok execution at ffff800010a0aad0 # [ 106.810277] lkdtm: attempting bad execution at ffff800013a53000 # [ 106.816537] Unable to handle kernel execute from non-executable memory at virtual address ffff800013a53000 # [ 106.826649] Mem abort info: # [ 106.829811] ESR = 0x8600000f # [ 106.833193] EC = 0x21: IABT (current EL), IL = 32 bits # [ 106.838807] SET = 0, FnV = 0 # [ 106.842136] EA = 0, S1PTW = 0 # [ 106.845573] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081db0000 # [ 106.852577] [ffff800013a53000] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=00000008809f9003, pte=006800088429e703 # [ 106.865460] Internal error: Oops: 000000008600000f [#8] PREEMPT SMP # [ 106.872005] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 106.883766] CPU: 1 PID: 1799 Comm: cat Tainted: G D W 5.10.224-cip52 #1 # [ 106.891786] Hardware name: ARM Juno development board (r0) (DT) # [ 106.897982] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 106.904269] pc : 0xffff800013a53000 # [ 106.908036] lr : execute_location+0x74/0x94 # [ 106.912488] sp : ffff800015953cc0 # [ 106.916069] x29: ffff800015953cc0 x28: ffff000808978000 # [ 106.921665] x27: 0000000000000000 x26: 0000000000000000 # [ 106.927259] x25: ffff8000114db320 x24: ffff800015953e20 # [ 106.932852] x23: 000000000000000d x22: ffff00080429e000 # [ 106.938445] x21: 0000000000000001 x20: ffff800010a0aad0 # [ 106.944037] x19: ffff800013a53000 x18: 0000000000000006 # [ 106.949630] x17: 0000000000000100 x16: 0000000000000000 # [ 106.955223] x15: ffff800015953810 x14: ffff8000959539ca # [ 106.960815] x13: ffff8000159539d2 x12: 52819801d2800802 # [ 106.966408] x11: a9be7bfdf00085a0 x10: ffff8000125fc128 # [ 106.972000] x9 : ffff80001012b978 x8 : 00000000ffffefff # [ 106.977592] x7 : ffff8000125fc128 x6 : ffff800012575000 # [ 106.983184] x5 : ffff800012575c88 x4 : ffff00097ef90c68 # [ 106.988776] x3 : 0000000000000000 x2 : 0000000000000000 # [ 106.994368] x1 : ffff000808978000 x0 : 0000000000000033 # [ 106.999961] Call trace: # [ 107.002674] 0xffff800013a53000 # [ 107.006087] lkdtm_EXEC_VMALLOC+0x2c/0x4c # [ 107.010369] lkdtm_do_action+0x24/0x40 # [ 107.014388] direct_entry+0xc8/0x130 # [ 107.018235] full_proxy_write+0x68/0xbc # [ 107.022341] vfs_write+0xec/0x22c # [ 107.025924] ksys_write+0x78/0x110 # [ 107.029595] __arm64_sys_write+0x24/0x30 # [ 107.033789] el0_svc_common.constprop.0+0x84/0x1e0 # [ 107.038853] do_el0_svc+0x2c/0xa4 # [ 107.042436] el0_svc+0x20/0x30 # [ 107.045760] el0_sync_handler+0xe8/0x114 # [ 107.049952] el0_sync+0x180/0x1c0 # [ 107.053540] Code: bad PC value # [ 107.056865] ---[ end trace 5e26b21ecf84290c ]--- # EXEC_VMALLOC: saw 'call trace:': ok ok 33 selftests: lkdtm: EXEC_VMALLOC.sh # selftests: lkdtm: EXEC_RODATA.sh <6>[ 107.530546] lkdtm: Performing direct entry EXEC_RODATA <6>[ 107.536120] lkdtm: attempting ok execution at ffff800010a0aad0 <6>[ 107.542361] lkdtm: attempting bad execution at ffff8000114db820 <1>[ 107.548647] Unable to handle kernel execute from non-executable memory at virtual address ffff8000114db820 <1>[ 107.558819] Mem abort info: <1>[ 107.561896] ESR = 0x8600000e <1>[ 107.565276] EC = 0x21: IABT (current EL), IL = 32 bits <1>[ 107.570983] SET = 0, FnV = 0 <1>[ 107.574316] EA = 0, S1PTW = 0 <1>[ 107.577780] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081db0000 <1>[ 107.584829] [ffff8000114db820] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=0060000081600781 <0>[ 107.595824] Internal error: Oops: 000000008600000e [#9] PREEMPT SMP <4>[ 107.602368] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 107.614119] CPU: 1 PID: 1842 Comm: cat Tainted: G D W 5.10.224-cip52 #1 <4>[ 107.622139] Hardware name: ARM Juno development board (r0) (DT) <4>[ 107.628335] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 107.634624] pc : lkdtm_rodata_do_nothing+0x0/0x10 <4>[ 107.639604] lr : execute_location+0x74/0x94 <4>[ 107.644057] sp : ffff800015a03cd0 <4>[ 107.647641] x29: ffff800015a03cd0 x28: ffff00080568e200 <4>[ 107.653236] x27: 0000000000000000 x26: 0000000000000000 <4>[ 107.658830] x25: ffff8000114db320 x24: ffff800015a03e20 <4>[ 107.664424] x23: 000000000000000c x22: ffff0008040c0000 <4>[ 107.670016] x21: 0000000000000000 x20: ffff800010a0aad0 <4>[ 107.675609] x19: ffff8000114db820 x18: 0000000000000006 <4>[ 107.681202] x17: 0000000000000100 x16: 0000000000000000 <4>[ 107.686794] x15: ffff800015a03820 x14: ffff800095a039da <4>[ 107.692386] x13: ffff800015a039e2 x12: 0000000000000020 <4>[ 107.697979] x11: 0000000000000018 x10: ffff8000125fc128 <4>[ 107.703572] x9 : ffff80001012b978 x8 : 00000000ffffefff <4>[ 107.709164] x7 : ffff8000125fc128 x6 : ffff800012575000 <4>[ 107.714757] x5 : ffff800012575c88 x4 : ffff00097ef90c68 <4>[ 107.720349] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 107.725942] x1 : ffff00080568e200 x0 : 0000000000000033 <4>[ 107.731534] Call trace: <4>[ 107.734249] lkdtm_rodata_do_nothing+0x0/0x10 <4>[ 107.738878] lkdtm_EXEC_RODATA+0x24/0x30 <4>[ 107.743073] lkdtm_do_action+0x24/0x40 <4>[ 107.747092] direct_entry+0xc8/0x130 <4>[ 107.750937] full_proxy_write+0x68/0xbc <4>[ 107.755044] vfs_write+0xec/0x22c <4>[ 107.758626] ksys_write+0x78/0x110 <4>[ 107.762296] __arm64_sys_write+0x24/0x30 <4>[ 107.766491] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 107.771554] do_el0_svc+0x2c/0xa4 <4>[ 107.775138] el0_svc+0x20/0x30 <4>[ 107.778461] el0_sync_handler+0xe8/0x114 <4>[ 107.782653] el0_sync+0x180/0x1c0 <0>[ 107.786239] Code: aa55aa55 00000000 00000000 00000000 (d503233f) <4>[ 107.792610] ---[ end trace 5e26b21ecf84290d ]--- # Segmentation fault # [ 107.530546] lkdtm: Performing direct entry EXEC_RODATA # [ 107.536120] lkdtm: attempting ok execution at ffff800010a0aad0 # [ 107.542361] lkdtm: attempting bad execution at ffff8000114db820 # [ 107.548647] Unable to handle kernel execute from non-executable memory at virtual address ffff8000114db820 # [ 107.558819] Mem abort info: # [ 107.561896] ESR = 0x8600000e # [ 107.565276] EC = 0x21: IABT (current EL), IL = 32 bits # [ 107.570983] SET = 0, FnV = 0 # [ 107.574316] EA = 0, S1PTW = 0 # [ 107.577780] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081db0000 # [ 107.584829] [ffff8000114db820] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=0060000081600781 # [ 107.595824] Internal error: Oops: 000000008600000e [#9] PREEMPT SMP # [ 107.602368] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 107.614119] CPU: 1 PID: 1842 Comm: cat Tainted: G D W 5.10.224-cip52 #1 # [ 107.622139] Hardware name: ARM Juno development board (r0) (DT) # [ 107.628335] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 107.634624] pc : lkdtm_rodata_do_nothing+0x0/0x10 # [ 107.639604] lr : execute_location+0x74/0x94 # [ 107.644057] sp : ffff800015a03cd0 # [ 107.647641] x29: ffff800015a03cd0 x28: ffff00080568e200 # [ 107.653236] x27: 0000000000000000 x26: 0000000000000000 # [ 107.658830] x25: ffff8000114db320 x24: ffff800015a03e20 # [ 107.664424] x23: 000000000000000c x22: ffff0008040c0000 # [ 107.670016] x21: 0000000000000000 x20: ffff800010a0aad0 # [ 107.675609] x19: ffff8000114db820 x18: 0000000000000006 # [ 107.681202] x17: 0000000000000100 x16: 0000000000000000 # [ 107.686794] x15: ffff800015a03820 x14: ffff800095a039da # [ 107.692386] x13: ffff800015a039e2 x12: 0000000000000020 # [ 107.697979] x11: 0000000000000018 x10: ffff8000125fc128 # [ 107.703572] x9 : ffff80001012b978 x8 : 00000000ffffefff # [ 107.709164] x7 : ffff8000125fc128 x6 : ffff800012575000 # [ 107.714757] x5 : ffff800012575c88 x4 : ffff00097ef90c68 # [ 107.720349] x3 : 0000000000000000 x2 : 0000000000000000 # [ 107.725942] x1 : ffff00080568e200 x0 : 0000000000000033 # [ 107.731534] Call trace: # [ 107.734249] lkdtm_rodata_do_nothing+0x0/0x10 # [ 107.738878] lkdtm_EXEC_RODATA+0x24/0x30 # [ 107.743073] lkdtm_do_action+0x24/0x40 # [ 107.747092] direct_entry+0xc8/0x130 # [ 107.750937] full_proxy_write+0x68/0xbc # [ 107.755044] vfs_write+0xec/0x22c # [ 107.758626] ksys_write+0x78/0x110 # [ 107.762296] __arm64_sys_write+0x24/0x30 # [ 107.766491] el0_svc_common.constprop.0+0x84/0x1e0 # [ 107.771554] do_el0_svc+0x2c/0xa4 # [ 107.775138] el0_svc+0x20/0x30 # [ 107.778461] el0_sync_handler+0xe8/0x114 # [ 107.782653] el0_sync+0x180/0x1c0 # [ 107.786239] Code: aa55aa55 00000000 00000000 00000000 (d503233f) # [ 107.792610] ---[ end trace 5e26b21ecf84290d ]--- # EXEC_RODATA: saw 'call trace:': ok ok 34 selftests: lkdtm: EXEC_RODATA.sh # selftests: lkdtm: EXEC_USERSPACE.sh <6>[ 108.222786] lkdtm: Performing direct entry EXEC_USERSPACE <6>[ 108.228533] lkdtm: attempting ok execution at ffff800010a0aad0 <6>[ 108.234769] lkdtm: attempting bad execution at 0000ffffba761000 <1>[ 108.241024] Unable to handle kernel execution of user memory at virtual address 0000ffffba761000 <1>[ 108.250205] Mem abort info: <1>[ 108.253431] ESR = 0x8600000f <1>[ 108.256901] EC = 0x21: IABT (current EL), IL = 32 bits <1>[ 108.262518] SET = 0, FnV = 0 <1>[ 108.265862] EA = 0, S1PTW = 0 <1>[ 108.269293] user pgtable: 4k pages, 48-bit VAs, pgdp=000000088734b000 <1>[ 108.276032] [0000ffffba761000] pgd=000000088880b003, p4d=000000088880b003, pud=000000088384f003, pmd=0000000885b15003, pte=00a800088d138f43 <0>[ 108.288920] Internal error: Oops: 000000008600000f [#10] PREEMPT SMP <4>[ 108.295550] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 108.307307] CPU: 1 PID: 1885 Comm: cat Tainted: G D W 5.10.224-cip52 #1 <4>[ 108.315327] Hardware name: ARM Juno development board (r0) (DT) <4>[ 108.321525] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 108.327815] pc : 0xffffba761000 <4>[ 108.331237] lr : lkdtm_EXEC_USERSPACE+0xe0/0xf0 <4>[ 108.336040] sp : ffff800015a93cf0 <4>[ 108.339622] x29: ffff800015a93cf0 x28: ffff0008073ec980 <4>[ 108.345224] x27: 0000000000000000 x26: 0000000000000000 <4>[ 108.350817] x25: ffff8000114db320 x24: ffff800015a93e20 <4>[ 108.356410] x23: 000000000000000f x22: ffff000803f03000 <4>[ 108.362002] x21: ffff8000119f0fe8 x20: ffff800010a0aad0 <4>[ 108.367595] x19: 0000ffffba761000 x18: 0000000000000006 <4>[ 108.373188] x17: 0000000000000100 x16: 0000000000000000 <4>[ 108.378780] x15: ffff800015a93840 x14: ffff800095a939fa <4>[ 108.384372] x13: ffff800015a93a02 x12: 52819801d2800802 <4>[ 108.389965] x11: a9be7bfdf00085a0 x10: ffff8000125fc128 <4>[ 108.395557] x9 : ffff80001012b978 x8 : 00000000ffffefff <4>[ 108.401150] x7 : ffff8000125fc128 x6 : ffff800012575000 <4>[ 108.406742] x5 : ffff800012575c88 x4 : ffff00097ef6ec68 <4>[ 108.412334] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 108.417926] x1 : ffff0008073ec980 x0 : 0000000000000033 <4>[ 108.423519] Call trace: <4>[ 108.426231] 0xffffba761000 <4>[ 108.429294] lkdtm_do_action+0x24/0x40 <4>[ 108.433314] direct_entry+0xc8/0x130 <4>[ 108.437160] full_proxy_write+0x68/0xbc <4>[ 108.441266] vfs_write+0xec/0x22c <4>[ 108.444849] ksys_write+0x78/0x110 <4>[ 108.448519] __arm64_sys_write+0x24/0x30 <4>[ 108.452714] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 108.457777] do_el0_svc+0x2c/0xa4 <4>[ 108.461362] el0_svc+0x20/0x30 <4>[ 108.464685] el0_sync_handler+0xe8/0x114 <4>[ 108.468877] el0_sync+0x180/0x1c0 <0>[ 108.472465] Code: bad PC value <4>[ 108.475790] ---[ end trace 5e26b21ecf84290e ]--- # Segmentation fault # [ 108.222786] lkdtm: Performing direct entry EXEC_USERSPACE # [ 108.228533] lkdtm: attempting ok execution at ffff800010a0aad0 # [ 108.234769] lkdtm: attempting bad execution at 0000ffffba761000 # [ 108.241024] Unable to handle kernel execution of user memory at virtual address 0000ffffba761000 # [ 108.250205] Mem abort info: # [ 108.253431] ESR = 0x8600000f # [ 108.256901] EC = 0x21: IABT (current EL), IL = 32 bits # [ 108.262518] SET = 0, FnV = 0 # [ 108.265862] EA = 0, S1PTW = 0 # [ 108.269293] user pgtable: 4k pages, 48-bit VAs, pgdp=000000088734b000 # [ 108.276032] [0000ffffba761000] pgd=000000088880b003, p4d=000000088880b003, pud=000000088384f003, pmd=0000000885b15003, pte=00a800088d138f43 # [ 108.288920] Internal error: Oops: 000000008600000f [#10] PREEMPT SMP # [ 108.295550] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 108.307307] CPU: 1 PID: 1885 Comm: cat Tainted: G D W 5.10.224-cip52 #1 # [ 108.315327] Hardware name: ARM Juno development board (r0) (DT) # [ 108.321525] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 108.327815] pc : 0xffffba761000 # [ 108.331237] lr : lkdtm_EXEC_USERSPACE+0xe0/0xf0 # [ 108.336040] sp : ffff800015a93cf0 # [ 108.339622] x29: ffff800015a93cf0 x28: ffff0008073ec980 # [ 108.345224] x27: 0000000000000000 x26: 0000000000000000 # [ 108.350817] x25: ffff8000114db320 x24: ffff800015a93e20 # [ 108.356410] x23: 000000000000000f x22: ffff000803f03000 # [ 108.362002] x21: ffff8000119f0fe8 x20: ffff800010a0aad0 # [ 108.367595] x19: 0000ffffba761000 x18: 0000000000000006 # [ 108.373188] x17: 0000000000000100 x16: 0000000000000000 # [ 108.378780] x15: ffff800015a93840 x14: ffff800095a939fa # [ 108.384372] x13: ffff800015a93a02 x12: 52819801d2800802 # [ 108.389965] x11: a9be7bfdf00085a0 x10: ffff8000125fc128 # [ 108.395557] x9 : ffff80001012b978 x8 : 00000000ffffefff # [ 108.401150] x7 : ffff8000125fc128 x6 : ffff800012575000 # [ 108.406742] x5 : ffff800012575c88 x4 : ffff00097ef6ec68 # [ 108.412334] x3 : 0000000000000000 x2 : 0000000000000000 # [ 108.417926] x1 : ffff0008073ec980 x0 : 0000000000000033 # [ 108.423519] Call trace: # [ 108.426231] 0xffffba761000 # [ 108.429294] lkdtm_do_action+0x24/0x40 # [ 108.433314] direct_entry+0xc8/0x130 # [ 108.437160] full_proxy_write+0x68/0xbc # [ 108.441266] vfs_write+0xec/0x22c # [ 108.444849] ksys_write+0x78/0x110 # [ 108.448519] __arm64_sys_write+0x24/0x30 # [ 108.452714] el0_svc_common.constprop.0+0x84/0x1e0 # [ 108.457777] do_el0_svc+0x2c/0xa4 # [ 108.461362] el0_svc+0x20/0x30 # [ 108.464685] el0_sync_handler+0xe8/0x114 # [ 108.468877] el0_sync+0x180/0x1c0 # [ 108.472465] Code: bad PC value # [ 108.475790] ---[ end trace 5e26b21ecf84290e ]--- # EXEC_USERSPACE: saw 'call trace:': ok ok 35 selftests: lkdtm: EXEC_USERSPACE.sh # selftests: lkdtm: EXEC_NULL.sh <6>[ 108.950759] lkdtm: Performing direct entry EXEC_NULL <6>[ 108.956157] lkdtm: attempting ok execution at ffff800010a0aad0 <6>[ 108.962390] lkdtm: attempting bad execution at 0000000000000000 <1>[ 108.968677] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000 <1>[ 108.979445] Mem abort info: <1>[ 108.982515] ESR = 0x86000004 <1>[ 108.985896] EC = 0x21: IABT (current EL), IL = 32 bits <1>[ 108.991505] SET = 0, FnV = 0 <1>[ 108.994850] EA = 0, S1PTW = 0 <1>[ 108.998265] user pgtable: 4k pages, 48-bit VAs, pgdp=0000000887cef000 <1>[ 109.005003] [0000000000000000] pgd=0000000000000000, p4d=0000000000000000 <0>[ 109.012114] Internal error: Oops: 0000000086000004 [#11] PREEMPT SMP <4>[ 109.018749] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 109.030501] CPU: 1 PID: 1928 Comm: cat Tainted: G D W 5.10.224-cip52 #1 <4>[ 109.038521] Hardware name: ARM Juno development board (r0) (DT) <4>[ 109.044716] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 109.051003] pc : 0x0 <4>[ 109.053463] lr : execute_location+0x74/0x94 <4>[ 109.057916] sp : ffff800015b33cd0 <4>[ 109.061497] x29: ffff800015b33cd0 x28: ffff0008073e9880 <4>[ 109.067093] x27: 0000000000000000 x26: 0000000000000000 <4>[ 109.072691] x25: ffff8000114db320 x24: ffff800015b33e20 <4>[ 109.078284] x23: 000000000000000a x22: ffff000804e99000 <4>[ 109.083876] x21: 0000000000000000 x20: ffff800010a0aad0 <4>[ 109.089469] x19: 0000000000000000 x18: 0000000000000006 <4>[ 109.095062] x17: 0000000000000100 x16: 0000000000000000 <4>[ 109.100654] x15: ffff800015b33820 x14: ffff800095b339da <4>[ 109.106247] x13: ffff800015b339e2 x12: 0000000000000010 <4>[ 109.111839] x11: 0000000000000008 x10: ffff8000125fc128 <4>[ 109.117432] x9 : ffff80001012b978 x8 : 00000000ffffefff <4>[ 109.123025] x7 : ffff8000125fc128 x6 : ffff800012575000 <4>[ 109.128617] x5 : ffff800012575c88 x4 : ffff00097ef08c68 <4>[ 109.134210] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 109.139803] x1 : ffff0008073e9880 x0 : 0000000000000033 <4>[ 109.145396] Call trace: <4>[ 109.148108] 0x0 <4>[ 109.150213] lkdtm_EXEC_NULL+0x20/0x2c <4>[ 109.154234] lkdtm_do_action+0x24/0x40 <4>[ 109.158253] direct_entry+0xc8/0x130 <4>[ 109.162099] full_proxy_write+0x68/0xbc <4>[ 109.166206] vfs_write+0xec/0x22c <4>[ 109.169789] ksys_write+0x78/0x110 <4>[ 109.173459] __arm64_sys_write+0x24/0x30 <4>[ 109.177654] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 109.182717] do_el0_svc+0x2c/0xa4 <4>[ 109.186301] el0_svc+0x20/0x30 <4>[ 109.189624] el0_sync_handler+0xe8/0x114 <4>[ 109.193817] el0_sync+0x180/0x1c0 <0>[ 109.197405] Code: bad PC value <4>[ 109.200729] ---[ end trace 5e26b21ecf84290f ]--- # Segmentation fault # [ 108.950759] lkdtm: Performing direct entry EXEC_NULL # [ 108.956157] lkdtm: attempting ok execution at ffff800010a0aad0 # [ 108.962390] lkdtm: attempting bad execution at 0000000000000000 # [ 108.968677] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000 # [ 108.979445] Mem abort info: # [ 108.982515] ESR = 0x86000004 # [ 108.985896] EC = 0x21: IABT (current EL), IL = 32 bits # [ 108.991505] SET = 0, FnV = 0 # [ 108.994850] EA = 0, S1PTW = 0 # [ 108.998265] user pgtable: 4k pages, 48-bit VAs, pgdp=0000000887cef000 # [ 109.005003] [0000000000000000] pgd=0000000000000000, p4d=0000000000000000 # [ 109.012114] Internal error: Oops: 0000000086000004 [#11] PREEMPT SMP # [ 109.018749] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 109.030501] CPU: 1 PID: 1928 Comm: cat Tainted: G D W 5.10.224-cip52 #1 # [ 109.038521] Hardware name: ARM Juno development board (r0) (DT) # [ 109.044716] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 109.051003] pc : 0x0 # [ 109.053463] lr : execute_location+0x74/0x94 # [ 109.057916] sp : ffff800015b33cd0 # [ 109.061497] x29: ffff800015b33cd0 x28: ffff0008073e9880 # [ 109.067093] x27: 0000000000000000 x26: 0000000000000000 # [ 109.072691] x25: ffff8000114db320 x24: ffff800015b33e20 # [ 109.078284] x23: 000000000000000a x22: ffff000804e99000 # [ 109.083876] x21: 0000000000000000 x20: ffff800010a0aad0 # [ 109.089469] x19: 0000000000000000 x18: 0000000000000006 # [ 109.095062] x17: 0000000000000100 x16: 0000000000000000 # [ 109.100654] x15: ffff800015b33820 x14: ffff800095b339da # [ 109.106247] x13: ffff800015b339e2 x12: 0000000000000010 # [ 109.111839] x11: 0000000000000008 x10: ffff8000125fc128 # [ 109.117432] x9 : ffff80001012b978 x8 : 00000000ffffefff # [ 109.123025] x7 : ffff8000125fc128 x6 : ffff800012575000 # [ 109.128617] x5 : ffff800012575c88 x4 : ffff00097ef08c68 # [ 109.134210] x3 : 0000000000000000 x2 : 0000000000000000 # [ 109.139803] x1 : ffff0008073e9880 x0 : 0000000000000033 # [ 109.145396] Call trace: # [ 109.148108] 0x0 # [ 109.150213] lkdtm_EXEC_NULL+0x20/0x2c # [ 109.154234] lkdtm_do_action+0x24/0x40 # [ 109.158253] direct_entry+0xc8/0x130 # [ 109.162099] full_proxy_write+0x68/0xbc # [ 109.166206] vfs_write+0xec/0x22c # [ 109.169789] ksys_write+0x78/0x110 # [ 109.173459] __arm64_sys_write+0x24/0x30 # [ 109.177654] el0_svc_common.constprop.0+0x84/0x1e0 # [ 109.182717] do_el0_svc+0x2c/0xa4 # [ 109.186301] el0_svc+0x20/0x30 # [ 109.189624] el0_sync_handler+0xe8/0x114 # [ 109.193817] el0_sync+0x180/0x1c0 # [ 109.197405] Code: bad PC value # [ 109.200729] ---[ end trace 5e26b21ecf84290f ]--- # EXEC_NULL: saw 'call trace:': ok ok 36 selftests: lkdtm: EXEC_NULL.sh # selftests: lkdtm: ACCESS_USERSPACE.sh <6>[ 109.619042] lkdtm: Performing direct entry ACCESS_USERSPACE <6>[ 109.625025] lkdtm: attempting bad read at 0000ffffa9097000 <3>[ 109.630845] lkdtm: FAIL: survived bad read <6>[ 109.635263] lkdtm: attempting bad write at 0000ffffa9097000 <3>[ 109.641227] lkdtm: FAIL: survived bad write # [ 109.619042] lkdtm: Performing direct entry ACCESS_USERSPACE # [ 109.625025] lkdtm: attempting bad read at 0000ffffa9097000 # [ 109.630845] lkdtm: FAIL: survived bad read # [ 109.635263] lkdtm: attempting bad write at 0000ffffa9097000 # [ 109.641227] 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>[ 110.076576] lkdtm: Performing direct entry ACCESS_NULL <6>[ 110.082081] lkdtm: attempting bad read at 0000000000000000 <1>[ 110.087926] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000 <1>[ 110.097061] Mem abort info: <1>[ 110.100246] ESR = 0x96000004 <1>[ 110.103789] EC = 0x25: DABT (current EL), IL = 32 bits <1>[ 110.109425] SET = 0, FnV = 0 <1>[ 110.112793] EA = 0, S1PTW = 0 <1>[ 110.116236] Data abort info: <1>[ 110.119407] ISV = 0, ISS = 0x00000004 <1>[ 110.123536] CM = 0, WnR = 0 <1>[ 110.126798] user pgtable: 4k pages, 48-bit VAs, pgdp=0000000883866000 <1>[ 110.133533] [0000000000000000] pgd=0000000000000000, p4d=0000000000000000 <0>[ 110.140643] Internal error: Oops: 0000000096000004 [#12] PREEMPT SMP <4>[ 110.147277] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 110.159030] CPU: 2 PID: 2006 Comm: cat Tainted: G D W 5.10.224-cip52 #1 <4>[ 110.167052] Hardware name: ARM Juno development board (r0) (DT) <4>[ 110.173253] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 110.179543] pc : lkdtm_ACCESS_NULL+0x2c/0x78 <4>[ 110.184089] lr : lkdtm_ACCESS_NULL+0x2c/0x78 <4>[ 110.188627] sp : ffff800015c2bcf0 <4>[ 110.192208] x29: ffff800015c2bcf0 x28: ffff000807c84980 <4>[ 110.197802] x27: 0000000000000000 x26: 0000000000000000 <4>[ 110.203396] x25: ffff8000114db320 x24: ffff800015c2be20 <4>[ 110.208991] x23: 000000000000000c x22: ffff00080725f000 <4>[ 110.214589] x21: ffff8000119f1020 x20: 0000000000000000 <4>[ 110.220184] x19: ffff8000114db5a0 x18: 0000000000000006 <4>[ 110.225776] x17: 0000000000000100 x16: 0000000000000000 <4>[ 110.231369] x15: ffff800015c2b840 x14: ffff800095c2b9fa <4>[ 110.236961] x13: ffff800015c2ba03 x12: 0000000000000020 <4>[ 110.242554] x11: 0000000000000018 x10: ffff8000125fc128 <4>[ 110.248146] x9 : ffff80001012b978 x8 : 00000000ffffefff <4>[ 110.253739] x7 : ffff8000125fc128 x6 : ffff800012575000 <4>[ 110.259331] x5 : ffff800012575c88 x4 : ffff00097ef6ec68 <4>[ 110.264924] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 110.270516] x1 : ffff000807c84980 x0 : 000000000000002e <4>[ 110.276108] Call trace: <4>[ 110.278823] lkdtm_ACCESS_NULL+0x2c/0x78 <4>[ 110.283020] lkdtm_do_action+0x24/0x40 <4>[ 110.287039] direct_entry+0xc8/0x130 <4>[ 110.290885] full_proxy_write+0x68/0xbc <4>[ 110.294991] vfs_write+0xec/0x22c <4>[ 110.298574] ksys_write+0x78/0x110 <4>[ 110.302243] __arm64_sys_write+0x24/0x30 <4>[ 110.306438] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 110.311502] do_el0_svc+0x2c/0xa4 <4>[ 110.315085] el0_svc+0x20/0x30 <4>[ 110.318408] el0_sync_handler+0xe8/0x114 <4>[ 110.322600] el0_sync+0x180/0x1c0 <0>[ 110.326187] Code: d2800014 b0003e60 91024000 97ffdf15 (f9400293) <4>[ 110.332557] ---[ end trace 5e26b21ecf842910 ]--- # Segmentation fault # [ 110.076576] lkdtm: Performing direct entry ACCESS_NULL # [ 110.082081] lkdtm: attempting bad read at 0000000000000000 # [ 110.087926] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000 # [ 110.097061] Mem abort info: # [ 110.100246] ESR = 0x96000004 # [ 110.103789] EC = 0x25: DABT (current EL), IL = 32 bits # [ 110.109425] SET = 0, FnV = 0 # [ 110.112793] EA = 0, S1PTW = 0 # [ 110.116236] Data abort info: # [ 110.119407] ISV = 0, ISS = 0x00000004 # [ 110.123536] CM = 0, WnR = 0 # [ 110.126798] user pgtable: 4k pages, 48-bit VAs, pgdp=0000000883866000 # [ 110.133533] [0000000000000000] pgd=0000000000000000, p4d=0000000000000000 # [ 110.140643] Internal error: Oops: 0000000096000004 [#12] PREEMPT SMP # [ 110.147277] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 110.159030] CPU: 2 PID: 2006 Comm: cat Tainted: G D W 5.10.224-cip52 #1 # [ 110.167052] Hardware name: ARM Juno development board (r0) (DT) # [ 110.173253] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 110.179543] pc : lkdtm_ACCESS_NULL+0x2c/0x78 # [ 110.184089] lr : lkdtm_ACCESS_NULL+0x2c/0x78 # [ 110.188627] sp : ffff800015c2bcf0 # [ 110.192208] x29: ffff800015c2bcf0 x28: ffff000807c84980 # [ 110.197802] x27: 0000000000000000 x26: 0000000000000000 # [ 110.203396] x25: ffff8000114db320 x24: ffff800015c2be20 # [ 110.208991] x23: 000000000000000c x22: ffff00080725f000 # [ 110.214589] x21: ffff8000119f1020 x20: 0000000000000000 # [ 110.220184] x19: ffff8000114db5a0 x18: 0000000000000006 # [ 110.225776] x17: 0000000000000100 x16: 0000000000000000 # [ 110.231369] x15: ffff800015c2b840 x14: ffff800095c2b9fa # [ 110.236961] x13: ffff800015c2ba03 x12: 0000000000000020 # [ 110.242554] x11: 0000000000000018 x10: ffff8000125fc128 # [ 110.248146] x9 : ffff80001012b978 x8 : 00000000ffffefff # [ 110.253739] x7 : ffff8000125fc128 x6 : ffff800012575000 # [ 110.259331] x5 : ffff800012575c88 x4 : ffff00097ef6ec68 # [ 110.264924] x3 : 0000000000000000 x2 : 0000000000000000 # [ 110.270516] x1 : ffff000807c84980 x0 : 000000000000002e # [ 110.276108] Call trace: # [ 110.278823] lkdtm_ACCESS_NULL+0x2c/0x78 # [ 110.283020] lkdtm_do_action+0x24/0x40 # [ 110.287039] direct_entry+0xc8/0x130 # [ 110.290885] full_proxy_write+0x68/0xbc # [ 110.294991] vfs_write+0xec/0x22c # [ 110.298574] ksys_write+0x78/0x110 # [ 110.302243] __arm64_sys_write+0x24/0x30 # [ 110.306438] el0_svc_common.constprop.0+0x84/0x1e0 # [ 110.311502] do_el0_svc+0x2c/0xa4 # [ 110.315085] el0_svc+0x20/0x30 # [ 110.318408] el0_sync_handler+0xe8/0x114 # [ 110.322600] el0_sync+0x180/0x1c0 # [ 110.326187] Code: d2800014 b0003e60 91024000 97ffdf15 (f9400293) # [ 110.332557] ---[ end trace 5e26b21ecf842910 ]--- # ACCESS_NULL: saw 'call trace:': ok ok 38 selftests: lkdtm: ACCESS_NULL.sh # selftests: lkdtm: WRITE_RO.sh <6>[ 110.751251] lkdtm: Performing direct entry WRITE_RO <6>[ 110.756476] lkdtm: attempting bad rodata write at ffff8000114db810 <1>[ 110.763005] Unable to handle kernel write to read-only memory at virtual address ffff8000114db810 <1>[ 110.772217] Mem abort info: <1>[ 110.775402] ESR = 0x9600004e <1>[ 110.778872] EC = 0x25: DABT (current EL), IL = 32 bits <1>[ 110.784675] SET = 0, FnV = 0 <1>[ 110.788047] EA = 0, S1PTW = 0 <1>[ 110.791487] Data abort info: <1>[ 110.794658] ISV = 0, ISS = 0x0000004e <1>[ 110.798786] CM = 0, WnR = 1 <1>[ 110.802029] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081db0000 <1>[ 110.809030] [ffff8000114db810] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=0060000081600781 <0>[ 110.819987] Internal error: Oops: 000000009600004e [#13] PREEMPT SMP <4>[ 110.826621] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 110.838375] CPU: 2 PID: 2052 Comm: cat Tainted: G D W 5.10.224-cip52 #1 <4>[ 110.846402] Hardware name: ARM Juno development board (r0) (DT) <4>[ 110.852602] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 110.858894] pc : lkdtm_WRITE_RO+0x44/0x5c <4>[ 110.863174] lr : lkdtm_WRITE_RO+0x2c/0x5c <4>[ 110.867451] sp : ffff800015cfbcf0 <4>[ 110.871033] x29: ffff800015cfbcf0 x28: ffff000805688000 <4>[ 110.876634] x27: 0000000000000000 x26: 0000000000000000 <4>[ 110.882230] x25: ffff8000114db320 x24: ffff800015cfbe20 <4>[ 110.887825] x23: 0000000000000009 x22: ffff000805950000 <4>[ 110.893423] x21: ffff8000119f1030 x20: 0000000000000028 <4>[ 110.899016] x19: ffff8000114db000 x18: 0000000000000006 <4>[ 110.904609] x17: 0000000000000100 x16: 0000000000000000 <4>[ 110.910201] x15: ffff800015cfb840 x14: ffff800095cfb9fa <4>[ 110.915793] x13: ffff800015cfba02 x12: 0000000000000008 <4>[ 110.921386] x11: 0000000000000000 x10: ffff8000125fc128 <4>[ 110.926978] x9 : ffff80001012b978 x8 : 00000000ffffefff <4>[ 110.932571] x7 : ffff8000125fc128 x6 : ffff800012575000 <4>[ 110.938163] x5 : ffff800012575c88 x4 : ffff00097efb2c68 <4>[ 110.943756] x3 : 0000000000000000 x2 : 00000000abcd1234 <4>[ 110.949348] x1 : 000000000198b861 x0 : ffff8000119f1f80 <4>[ 110.954940] Call trace: <4>[ 110.957656] lkdtm_WRITE_RO+0x44/0x5c <4>[ 110.961591] lkdtm_do_action+0x24/0x40 <4>[ 110.965611] direct_entry+0xc8/0x130 <4>[ 110.969457] full_proxy_write+0x68/0xbc <4>[ 110.973563] vfs_write+0xec/0x22c <4>[ 110.977146] ksys_write+0x78/0x110 <4>[ 110.980816] __arm64_sys_write+0x24/0x30 <4>[ 110.985011] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 110.990074] do_el0_svc+0x2c/0xa4 <4>[ 110.993658] el0_svc+0x20/0x30 <4>[ 110.996981] el0_sync_handler+0xe8/0x114 <4>[ 111.001173] el0_sync+0x180/0x1c0 <0>[ 111.004760] Code: f2b579a2 90003e60 ca020021 913e0000 (f9040a61) <4>[ 111.011130] ---[ end trace 5e26b21ecf842911 ]--- # Segmentation fault # [ 110.751251] lkdtm: Performing direct entry WRITE_RO # [ 110.756476] lkdtm: attempting bad rodata write at ffff8000114db810 # [ 110.763005] Unable to handle kernel write to read-only memory at virtual address ffff8000114db810 # [ 110.772217] Mem abort info: # [ 110.775402] ESR = 0x9600004e # [ 110.778872] EC = 0x25: DABT (current EL), IL = 32 bits # [ 110.784675] SET = 0, FnV = 0 # [ 110.788047] EA = 0, S1PTW = 0 # [ 110.791487] Data abort info: # [ 110.794658] ISV = 0, ISS = 0x0000004e # [ 110.798786] CM = 0, WnR = 1 # [ 110.802029] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081db0000 # [ 110.809030] [ffff8000114db810] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=0060000081600781 # [ 110.819987] Internal error: Oops: 000000009600004e [#13] PREEMPT SMP # [ 110.826621] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 110.838375] CPU: 2 PID: 2052 Comm: cat Tainted: G D W 5.10.224-cip52 #1 # [ 110.846402] Hardware name: ARM Juno development board (r0) (DT) # [ 110.852602] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 110.858894] pc : lkdtm_WRITE_RO+0x44/0x5c # [ 110.863174] lr : lkdtm_WRITE_RO+0x2c/0x5c # [ 110.867451] sp : ffff800015cfbcf0 # [ 110.871033] x29: ffff800015cfbcf0 x28: ffff000805688000 # [ 110.876634] x27: 0000000000000000 x26: 0000000000000000 # [ 110.882230] x25: ffff8000114db320 x24: ffff800015cfbe20 # [ 110.887825] x23: 0000000000000009 x22: ffff000805950000 # [ 110.893423] x21: ffff8000119f1030 x20: 0000000000000028 # [ 110.899016] x19: ffff8000114db000 x18: 0000000000000006 # [ 110.904609] x17: 0000000000000100 x16: 0000000000000000 # [ 110.910201] x15: ffff800015cfb840 x14: ffff800095cfb9fa # [ 110.915793] x13: ffff800015cfba02 x12: 0000000000000008 # [ 110.921386] x11: 0000000000000000 x10: ffff8000125fc128 # [ 110.926978] x9 : ffff80001012b978 x8 : 00000000ffffefff # [ 110.932571] x7 : ffff8000125fc128 x6 : ffff800012575000 # [ 110.938163] x5 : ffff800012575c88 x4 : ffff00097efb2c68 # [ 110.943756] x3 : 0000000000000000 x2 : 00000000abcd1234 # [ 110.949348] x1 : 000000000198b861 x0 : ffff8000119f1f80 # [ 110.954940] Call trace: # [ 110.957656] lkdtm_WRITE_RO+0x44/0x5c # [ 110.961591] lkdtm_do_action+0x24/0x40 # [ 110.965611] direct_entry+0xc8/0x130 # [ 110.969457] full_proxy_write+0x68/0xbc # [ 110.973563] vfs_write+0xec/0x22c # [ 110.977146] ksys_write+0x78/0x110 # [ 110.980816] __arm64_sys_write+0x24/0x30 # [ 110.985011] el0_svc_common.constprop.0+0x84/0x1e0 # [ 110.990074] do_el0_svc+0x2c/0xa4 # [ 110.993658] el0_svc+0x20/0x30 # [ 110.996981] el0_sync_handler+0xe8/0x114 # [ 111.001173] el0_sync+0x180/0x1c0 # [ 111.004760] Code: f2b579a2 90003e60 ca020021 913e0000 (f9040a61) # [ 111.011130] ---[ end trace 5e26b21ecf842911 ]--- # WRITE_RO: saw 'call trace:': ok ok 39 selftests: lkdtm: WRITE_RO.sh # selftests: lkdtm: WRITE_RO_AFTER_INIT.sh <6>[ 111.442530] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT <6>[ 111.448721] lkdtm: attempting bad ro_after_init write at ffff800011ac3d60 <1>[ 111.455869] Unable to handle kernel write to read-only memory at virtual address ffff800011ac3d60 <1>[ 111.465294] Mem abort info: <1>[ 111.468423] ESR = 0x9600004f <1>[ 111.471776] EC = 0x25: DABT (current EL), IL = 32 bits <1>[ 111.477381] SET = 0, FnV = 0 <1>[ 111.480725] EA = 0, S1PTW = 0 <1>[ 111.484156] Data abort info: <1>[ 111.487326] ISV = 0, ISS = 0x0000004f <1>[ 111.491456] CM = 0, WnR = 1 <1>[ 111.494719] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081db0000 <1>[ 111.501726] [ffff800011ac3d60] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=00000009ffffc003, pte=0060000081cc3783 <0>[ 111.514626] Internal error: Oops: 000000009600004f [#14] PREEMPT SMP <4>[ 111.521256] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 111.533012] CPU: 1 PID: 2098 Comm: cat Tainted: G D W 5.10.224-cip52 #1 <4>[ 111.541034] Hardware name: ARM Juno development board (r0) (DT) <4>[ 111.547234] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 111.553522] pc : lkdtm_WRITE_RO_AFTER_INIT+0x68/0x80 <4>[ 111.558764] lr : lkdtm_WRITE_RO_AFTER_INIT+0x50/0x80 <4>[ 111.564001] sp : ffff800015db3cf0 <4>[ 111.567587] x29: ffff800015db3cf0 x28: ffff000802a8e200 <4>[ 111.573182] x27: 0000000000000000 x26: 0000000000000000 <4>[ 111.578776] x25: ffff8000114db320 x24: ffff800015db3e20 <4>[ 111.584369] x23: 0000000000000014 x22: ffff00080422b000 <4>[ 111.589962] x21: ffff8000119f1040 x20: 0000000000000029 <4>[ 111.595554] x19: ffff800011ac3000 x18: 0000000000000006 <4>[ 111.601147] x17: 0000000000000100 x16: 0000000000000000 <4>[ 111.606739] x15: ffff800015db3840 x14: ffff800095db39fa <4>[ 111.612331] x13: ffff800015db3a02 x12: 0000000000000020 <4>[ 111.617923] x11: 0000000000000018 x10: ffff8000125fc128 <4>[ 111.623515] x9 : ffff80001012b978 x8 : 00000000ffffefff <4>[ 111.629108] x7 : ffff8000125fc128 x6 : ffff800012575000 <4>[ 111.634701] x5 : ffff800012575c88 x4 : ffff00097ef08c68 <4>[ 111.640292] x3 : 0000000000000000 x2 : 00000000abcd1234 <4>[ 111.645884] x1 : 00000000fe67479e x0 : ffff8000119f1f80 <4>[ 111.651477] Call trace: <4>[ 111.654193] lkdtm_WRITE_RO_AFTER_INIT+0x68/0x80 <4>[ 111.659085] lkdtm_do_action+0x24/0x40 <4>[ 111.663104] direct_entry+0xc8/0x130 <4>[ 111.666950] full_proxy_write+0x68/0xbc <4>[ 111.671057] vfs_write+0xec/0x22c <4>[ 111.674640] ksys_write+0x78/0x110 <4>[ 111.678310] __arm64_sys_write+0x24/0x30 <4>[ 111.682505] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 111.687568] do_el0_svc+0x2c/0xa4 <4>[ 111.691152] el0_svc+0x20/0x30 <4>[ 111.694476] el0_sync_handler+0xe8/0x114 <4>[ 111.698668] el0_sync+0x180/0x1c0 <0>[ 111.702254] Code: f2b579a2 90003e60 ca020021 913e0000 (f906b261) <4>[ 111.708624] ---[ end trace 5e26b21ecf842912 ]--- # Segmentation fault # [ 111.442530] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT # [ 111.448721] lkdtm: attempting bad ro_after_init write at ffff800011ac3d60 # [ 111.455869] Unable to handle kernel write to read-only memory at virtual address ffff800011ac3d60 # [ 111.465294] Mem abort info: # [ 111.468423] ESR = 0x9600004f # [ 111.471776] EC = 0x25: DABT (current EL), IL = 32 bits # [ 111.477381] SET = 0, FnV = 0 # [ 111.480725] EA = 0, S1PTW = 0 # [ 111.484156] Data abort info: # [ 111.487326] ISV = 0, ISS = 0x0000004f # [ 111.491456] CM = 0, WnR = 1 # [ 111.494719] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081db0000 # [ 111.501726] [ffff800011ac3d60] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=00000009ffffc003, pte=0060000081cc3783 # [ 111.514626] Internal error: Oops: 000000009600004f [#14] PREEMPT SMP # [ 111.521256] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 111.533012] CPU: 1 PID: 2098 Comm: cat Tainted: G D W 5.10.224-cip52 #1 # [ 111.541034] Hardware name: ARM Juno development board (r0) (DT) # [ 111.547234] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 111.553522] pc : lkdtm_WRITE_RO_AFTER_INIT+0x68/0x80 # [ 111.558764] lr : lkdtm_WRITE_RO_AFTER_INIT+0x50/0x80 # [ 111.564001] sp : ffff800015db3cf0 # [ 111.567587] x29: ffff800015db3cf0 x28: ffff000802a8e200 # [ 111.573182] x27: 0000000000000000 x26: 0000000000000000 # [ 111.578776] x25: ffff8000114db320 x24: ffff800015db3e20 # [ 111.584369] x23: 0000000000000014 x22: ffff00080422b000 # [ 111.589962] x21: ffff8000119f1040 x20: 0000000000000029 # [ 111.595554] x19: ffff800011ac3000 x18: 0000000000000006 # [ 111.601147] x17: 0000000000000100 x16: 0000000000000000 # [ 111.606739] x15: ffff800015db3840 x14: ffff800095db39fa # [ 111.612331] x13: ffff800015db3a02 x12: 0000000000000020 # [ 111.617923] x11: 0000000000000018 x10: ffff8000125fc128 # [ 111.623515] x9 : ffff80001012b978 x8 : 00000000ffffefff # [ 111.629108] x7 : ffff8000125fc128 x6 : ffff800012575000 # [ 111.634701] x5 : ffff800012575c88 x4 : ffff00097ef08c68 # [ 111.640292] x3 : 0000000000000000 x2 : 00000000abcd1234 # [ 111.645884] x1 : 00000000fe67479e x0 : ffff8000119f1f80 # [ 111.651477] Call trace: # [ 111.654193] lkdtm_WRITE_RO_AFTER_INIT+0x68/0x80 # [ 111.659085] lkdtm_do_action+0x24/0x40 # [ 111.663104] direct_entry+0xc8/0x130 # [ 111.666950] full_proxy_write+0x68/0xbc # [ 111.671057] vfs_write+0xec/0x22c # [ 111.674640] ksys_write+0x78/0x110 # [ 111.678310] __arm64_sys_write+0x24/0x30 # [ 111.682505] el0_svc_common.constprop.0+0x84/0x1e0 # [ 111.687568] do_el0_svc+0x2c/0xa4 # [ 111.691152] el0_svc+0x20/0x30 # [ 111.694476] el0_sync_handler+0xe8/0x114 # [ 111.698668] el0_sync+0x180/0x1c0 # [ 111.702254] Code: f2b579a2 90003e60 ca020021 913e0000 (f906b261) # [ 111.708624] ---[ end trace 5e26b21ecf842912 ]--- # WRITE_RO_AFTER_INIT: saw 'call trace:': ok ok 40 selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # selftests: lkdtm: WRITE_KERN.sh <6>[ 112.142940] lkdtm: Performing direct entry WRITE_KERN <6>[ 112.148463] lkdtm: attempting bad 8498940 byte write at ffff8000112259cc <1>[ 112.155585] Unable to handle kernel write to read-only memory at virtual address ffff8000112259cc <1>[ 112.164833] Mem abort info: <1>[ 112.168162] ESR = 0x9600004f <1>[ 112.171551] EC = 0x25: DABT (current EL), IL = 32 bits <1>[ 112.177165] SET = 0, FnV = 0 <1>[ 112.180508] EA = 0, S1PTW = 0 <1>[ 112.183937] Data abort info: <1>[ 112.187109] ISV = 0, ISS = 0x0000004f <1>[ 112.191233] CM = 0, WnR = 1 <1>[ 112.194474] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081db0000 <1>[ 112.201470] [ffff8000112259cc] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=00000009ffffd003, pte=0050000081425783 <0>[ 112.214352] Internal error: Oops: 000000009600004f [#15] PREEMPT SMP <4>[ 112.220988] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 112.232746] CPU: 1 PID: 2144 Comm: cat Tainted: G D W 5.10.224-cip52 #1 <4>[ 112.240766] Hardware name: ARM Juno development board (r0) (DT) <4>[ 112.246962] pstate: 20000005 (nzCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 112.253252] pc : __memcpy+0x110/0x180 <4>[ 112.257192] lr : lkdtm_WRITE_KERN+0x54/0x88 <4>[ 112.261643] sp : ffff800015e83ce0 <4>[ 112.265225] x29: ffff800015e83ce0 x28: ffff000808978000 <4>[ 112.270821] x27: 0000000000000000 x26: 0000000000000000 <4>[ 112.276423] x25: ffff8000114db320 x24: ffff800015e83e20 <4>[ 112.282020] x23: 000000000000000b x22: ffff00080385a000 <4>[ 112.287613] x21: 000000000081aefc x20: ffff800010a0aad0 <4>[ 112.293206] x19: ffff8000112259cc x18: 0000000000000006 <4>[ 112.298798] x17: 0000000000000100 x16: 0000000000000000 <4>[ 112.304390] x15: ffff800015e83830 x14: 97e4e966f9000bf3 <4>[ 112.309983] x13: f9439c00910003fd x12: 52819801d2800802 <4>[ 112.315575] x11: a9be7bfdf00085a0 x10: d503233fd503201f <4>[ 112.321167] x9 : aa1e03e9d65f03c0 x8 : d50323bfd503233f <4>[ 112.326759] x7 : d503201faa1e03e9 x6 : ffff8000112259cc <4>[ 112.332352] x5 : ffff800012575c88 x4 : 0000000000000000 <4>[ 112.337944] x3 : 0000000000000000 x2 : 000000000081ae7c <4>[ 112.343536] x1 : ffff800010a0ab10 x0 : ffff8000112259cc <4>[ 112.349128] Call trace: <4>[ 112.351844] __memcpy+0x110/0x180 <4>[ 112.355431] lkdtm_do_action+0x24/0x40 <4>[ 112.359451] direct_entry+0xc8/0x130 <4>[ 112.363296] full_proxy_write+0x68/0xbc <4>[ 112.367402] vfs_write+0xec/0x22c <4>[ 112.370985] ksys_write+0x78/0x110 <4>[ 112.374655] __arm64_sys_write+0x24/0x30 <4>[ 112.378850] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 112.383913] do_el0_svc+0x2c/0xa4 <4>[ 112.387496] el0_svc+0x20/0x30 <4>[ 112.390820] el0_sync_handler+0xe8/0x114 <4>[ 112.395011] el0_sync+0x180/0x1c0 <0>[ 112.398597] Code: a8c12027 a8c12829 a8c1302b a8c1382d (a88120c7) <4>[ 112.404967] ---[ end trace 5e26b21ecf842913 ]--- # Segmentation fault # [ 112.142940] lkdtm: Performing direct entry WRITE_KERN # [ 112.148463] lkdtm: attempting bad 8498940 byte write at ffff8000112259cc # [ 112.155585] Unable to handle kernel write to read-only memory at virtual address ffff8000112259cc # [ 112.164833] Mem abort info: # [ 112.168162] ESR = 0x9600004f # [ 112.171551] EC = 0x25: DABT (current EL), IL = 32 bits # [ 112.177165] SET = 0, FnV = 0 # [ 112.180508] EA = 0, S1PTW = 0 # [ 112.183937] Data abort info: # [ 112.187109] ISV = 0, ISS = 0x0000004f # [ 112.191233] CM = 0, WnR = 1 # [ 112.194474] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081db0000 # [ 112.201470] [ffff8000112259cc] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=00000009ffffd003, pte=0050000081425783 # [ 112.214352] Internal error: Oops: 000000009600004f [#15] PREEMPT SMP # [ 112.220988] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 112.232746] CPU: 1 PID: 2144 Comm: cat Tainted: G D W 5.10.224-cip52 #1 # [ 112.240766] Hardware name: ARM Juno development board (r0) (DT) # [ 112.246962] pstate: 20000005 (nzCv daif -PAN -UAO -TCO BTYPE=--) # [ 112.253252] pc : __memcpy+0x110/0x180 # [ 112.257192] lr : lkdtm_WRITE_KERN+0x54/0x88 # [ 112.261643] sp : ffff800015e83ce0 # [ 112.265225] x29: ffff800015e83ce0 x28: ffff000808978000 # [ 112.270821] x27: 0000000000000000 x26: 0000000000000000 # [ 112.276423] x25: ffff8000114db320 x24: ffff800015e83e20 # [ 112.282020] x23: 000000000000000b x22: ffff00080385a000 # [ 112.287613] x21: 000000000081aefc x20: ffff800010a0aad0 # [ 112.293206] x19: ffff8000112259cc x18: 0000000000000006 # [ 112.298798] x17: 0000000000000100 x16: 0000000000000000 # [ 112.304390] x15: ffff800015e83830 x14: 97e4e966f9000bf3 # [ 112.309983] x13: f9439c00910003fd x12: 52819801d2800802 # [ 112.315575] x11: a9be7bfdf00085a0 x10: d503233fd503201f # [ 112.321167] x9 : aa1e03e9d65f03c0 x8 : d50323bfd503233f # [ 112.326759] x7 : d503201faa1e03e9 x6 : ffff8000112259cc # [ 112.332352] x5 : ffff800012575c88 x4 : 0000000000000000 # [ 112.337944] x3 : 0000000000000000 x2 : 000000000081ae7c # [ 112.343536] x1 : ffff800010a0ab10 x0 : ffff8000112259cc # [ 112.349128] Call trace: # [ 112.351844] __memcpy+0x110/0x180 # [ 112.355431] lkdtm_do_action+0x24/0x40 # [ 112.359451] direct_entry+0xc8/0x130 # [ 112.363296] full_proxy_write+0x68/0xbc # [ 112.367402] vfs_write+0xec/0x22c # [ 112.370985] ksys_write+0x78/0x110 # [ 112.374655] __arm64_sys_write+0x24/0x30 # [ 112.378850] el0_svc_common.constprop.0+0x84/0x1e0 # [ 112.383913] do_el0_svc+0x2c/0xa4 # [ 112.387496] el0_svc+0x20/0x30 # [ 112.390820] el0_sync_handler+0xe8/0x114 # [ 112.395011] el0_sync+0x180/0x1c0 # [ 112.398597] Code: a8c12027 a8c12829 a8c1302b a8c1382d (a88120c7) # [ 112.404967] ---[ end trace 5e26b21ecf842913 ]--- # WRITE_KERN: saw 'call trace:': ok ok 41 selftests: lkdtm: WRITE_KERN.sh # selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh <6>[ 112.854179] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW <6>[ 112.860576] lkdtm: attempting good refcount_inc() without overflow <6>[ 112.867225] lkdtm: attempting bad refcount_inc() overflow <4>[ 112.872960] ------------[ cut here ]------------ <4>[ 112.877967] refcount_t: saturated; leaking memory. <4>[ 112.883233] WARNING: CPU: 1 PID: 2190 at lib/refcount.c:22 refcount_warn_saturate+0x74/0x144 <4>[ 112.891955] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 112.903707] CPU: 1 PID: 2190 Comm: cat Tainted: G D W 5.10.224-cip52 #1 <4>[ 112.911727] Hardware name: ARM Juno development board (r0) (DT) <4>[ 112.917921] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 112.924203] pc : refcount_warn_saturate+0x74/0x144 <4>[ 112.929265] lr : refcount_warn_saturate+0x74/0x144 <4>[ 112.934324] sp : ffff800015f3bcd0 <4>[ 112.937905] x29: ffff800015f3bcd0 x28: ffff000804a51880 <4>[ 112.943499] x27: 0000000000000000 x26: 0000000000000000 <4>[ 112.949092] x25: ffff8000114db320 x24: ffff800015f3be20 <4>[ 112.954685] x23: 0000000000000016 x22: ffff000803e0a000 <4>[ 112.960277] x21: ffff8000119f1068 x20: 000000000000002b <4>[ 112.965869] x19: ffff8000114db5e0 x18: ffff00097ef43bf0 <4>[ 112.971462] x17: 0000000000000000 x16: 0000000000000000 <4>[ 112.977054] x15: 0000000000000000 x14: ffff00080029e200 <4>[ 112.982646] x13: ffff80096d17d000 x12: 0000000000000be0 <4>[ 112.988238] x11: 071c71c71c71c71c x10: 0000000000001440 <4>[ 112.993830] x9 : ffff80001012b978 x8 : ffff000804a52d20 <4>[ 112.999422] x7 : 0000000000186a00 x6 : ffff800012575000 <4>[ 113.005014] x5 : ffff800012575c88 x4 : ffff00097ef2ac68 <4>[ 113.010606] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 113.016198] x1 : 0000000000000000 x0 : ffff000804a51880 <4>[ 113.021790] Call trace: <4>[ 113.024504] refcount_warn_saturate+0x74/0x144 <4>[ 113.029221] __refcount_add.constprop.0+0x74/0x80 <4>[ 113.034199] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0xa0 <4>[ 113.039262] lkdtm_do_action+0x24/0x40 <4>[ 113.043281] direct_entry+0xc8/0x130 <4>[ 113.047126] full_proxy_write+0x68/0xbc <4>[ 113.051232] vfs_write+0xec/0x22c <4>[ 113.054815] ksys_write+0x78/0x110 <4>[ 113.058485] __arm64_sys_write+0x24/0x30 <4>[ 113.062680] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 113.067743] do_el0_svc+0x2c/0xa4 <4>[ 113.071326] el0_svc+0x20/0x30 <4>[ 113.074650] el0_sync_handler+0xe8/0x114 <4>[ 113.078841] el0_sync+0x180/0x1c0 <4>[ 113.082422] irq event stamp: 0 <4>[ 113.085747] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 113.092293] hardirqs last disabled at (0): [] copy_process+0x5f4/0x1df4 <4>[ 113.100751] softirqs last enabled at (0): [] copy_process+0x5f4/0x1df4 <4>[ 113.109207] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 113.115746] ---[ end trace 5e26b21ecf842914 ]--- <6>[ 113.120768] lkdtm: Overflow detected: saturated # [ 112.854179] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW # [ 112.860576] lkdtm: attempting good refcount_inc() without overflow # [ 112.867225] lkdtm: attempting bad refcount_inc() overflow # [ 112.872960] ------------[ cut here ]------------ # [ 112.877967] refcount_t: saturated; leaking memory. # [ 112.883233] WARNING: CPU: 1 PID: 2190 at lib/refcount.c:22 refcount_warn_saturate+0x74/0x144 # [ 112.891955] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 112.903707] CPU: 1 PID: 2190 Comm: cat Tainted: G D W 5.10.224-cip52 #1 # [ 112.911727] Hardware name: ARM Juno development board (r0) (DT) # [ 112.917921] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 112.924203] pc : refcount_warn_saturate+0x74/0x144 # [ 112.929265] lr : refcount_warn_saturate+0x74/0x144 # [ 112.934324] sp : ffff800015f3bcd0 # [ 112.937905] x29: ffff800015f3bcd0 x28: ffff000804a51880 # [ 112.943499] x27: 0000000000000000 x26: 0000000000000000 # [ 112.949092] x25: ffff8000114db320 x24: ffff800015f3be20 # [ 112.954685] x23: 0000000000000016 x22: ffff000803e0a000 # [ 112.960277] x21: ffff8000119f1068 x20: 000000000000002b # [ 112.965869] x19: ffff8000114db5e0 x18: ffff00097ef43bf0 # [ 112.971462] x17: 0000000000000000 x16: 0000000000000000 # [ 112.977054] x15: 0000000000000000 x14: ffff00080029e200 # [ 112.982646] x13: ffff80096d17d000 x12: 0000000000000be0 # [ 112.988238] x11: 071c71c71c71c71c x10: 0000000000001440 # [ 112.993830] x9 : ffff80001012b978 x8 : ffff000804a52d20 # [ 112.999422] x7 : 0000000000186a00 x6 : ffff800012575000 # [ 113.005014] x5 : ffff800012575c88 x4 : ffff00097ef2ac68 # [ 113.010606] x3 : 0000000000000000 x2 : 0000000000000000 # [ 113.016198] x1 : 0000000000000000 x0 : ffff000804a51880 # [ 113.021790] Call trace: # [ 113.024504] refcount_warn_saturate+0x74/0x144 # [ 113.029221] __refcount_add.constprop.0+0x74/0x80 # [ 113.034199] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0xa0 # [ 113.039262] lkdtm_do_action+0x24/0x40 # [ 113.043281] direct_entry+0xc8/0x130 # [ 113.047126] full_proxy_write+0x68/0xbc # [ 113.051232] vfs_write+0xec/0x22c # [ 113.054815] ksys_write+0x78/0x110 # [ 113.058485] __arm64_sys_write+0x24/0x30 # [ 113.062680] el0_svc_common.constprop.0+0x84/0x1e0 # [ 113.067743] do_el0_svc+0x2c/0xa4 # [ 113.071326] el0_svc+0x20/0x30 # [ 113.074650] el0_sync_handler+0xe8/0x114 # [ 113.078841] el0_sync+0x180/0x1c0 # [ 113.082422] irq event stamp: 0 # [ 113.085747] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 113.092293] hardirqs last disabled at (0): [] copy_process+0x5f4/0x1df4 # [ 113.100751] softirqs last enabled at (0): [] copy_process+0x5f4/0x1df4 # [ 113.109207] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 113.115746] ---[ end trace 5e26b21ecf842914 ]--- # [ 113.120768] 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>[ 113.567316] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW <6>[ 113.573668] lkdtm: attempting good refcount_add() without overflow <6>[ 113.580186] lkdtm: attempting bad refcount_add() overflow <4>[ 113.585915] ------------[ cut here ]------------ <4>[ 113.590921] refcount_t: saturated; leaking memory. <4>[ 113.596320] WARNING: CPU: 2 PID: 2223 at lib/refcount.c:22 refcount_warn_saturate+0x74/0x144 <4>[ 113.605040] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 113.616792] CPU: 2 PID: 2223 Comm: cat Tainted: G D W 5.10.224-cip52 #1 <4>[ 113.624812] Hardware name: ARM Juno development board (r0) (DT) <4>[ 113.631006] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 113.637287] pc : refcount_warn_saturate+0x74/0x144 <4>[ 113.642350] lr : refcount_warn_saturate+0x74/0x144 <4>[ 113.647410] sp : ffff800015fd3cd0 <4>[ 113.650991] x29: ffff800015fd3cd0 x28: ffff00080080c980 <4>[ 113.656585] x27: 0000000000000000 x26: 0000000000000000 <4>[ 113.662179] x25: ffff8000114db320 x24: ffff800015fd3e20 <4>[ 113.667772] x23: 0000000000000016 x22: ffff000806c69000 <4>[ 113.673365] x21: ffff8000119f1080 x20: 000000000000002c <4>[ 113.678957] x19: ffff8000114db5f0 x18: ffff00097ef65c00 <4>[ 113.684549] x17: 0000000000000000 x16: 0000000000000000 <4>[ 113.690141] x15: 0000000000000000 x14: ffff0008002f0000 <4>[ 113.695734] x13: ffff80096d19f000 x12: 0000000030d4d91d <4>[ 113.701326] x11: 0000000000000000 x10: 0000000000001440 <4>[ 113.706918] x9 : ffff80001012b978 x8 : ffff800015fd38d0 <4>[ 113.712511] x7 : 0000000080180010 x6 : ffff800012575000 <4>[ 113.718103] x5 : ffff800012575c88 x4 : ffff00097ef4cc68 <4>[ 113.723695] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 113.729287] x1 : 0000000000000000 x0 : ffff00080080c980 <4>[ 113.734880] Call trace: <4>[ 113.737594] refcount_warn_saturate+0x74/0x144 <4>[ 113.742312] __refcount_add.constprop.0+0x74/0x80 <4>[ 113.747290] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7c/0xac <4>[ 113.752353] lkdtm_do_action+0x24/0x40 <4>[ 113.756371] direct_entry+0xc8/0x130 <4>[ 113.760216] full_proxy_write+0x68/0xbc <4>[ 113.764323] vfs_write+0xec/0x22c <4>[ 113.767905] ksys_write+0x78/0x110 <4>[ 113.771575] __arm64_sys_write+0x24/0x30 <4>[ 113.775770] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 113.780833] do_el0_svc+0x2c/0xa4 <4>[ 113.784416] el0_svc+0x20/0x30 <4>[ 113.787740] el0_sync_handler+0xe8/0x114 <4>[ 113.791931] el0_sync+0x180/0x1c0 <4>[ 113.795512] irq event stamp: 0 <4>[ 113.798837] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 113.805383] hardirqs last disabled at (0): [] copy_process+0x5f4/0x1df4 <4>[ 113.813841] softirqs last enabled at (0): [] copy_process+0x5f4/0x1df4 <4>[ 113.822296] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 113.828835] ---[ end trace 5e26b21ecf842915 ]--- <6>[ 113.833785] lkdtm: Overflow detected: saturated # [ 113.567316] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW # [ 113.573668] lkdtm: attempting good refcount_add() without overflow # [ 113.580186] lkdtm: attempting bad refcount_add() overflow # [ 113.585915] ------------[ cut here ]------------ # [ 113.590921] refcount_t: saturated; leaking memory. # [ 113.596320] WARNING: CPU: 2 PID: 2223 at lib/refcount.c:22 refcount_warn_saturate+0x74/0x144 # [ 113.605040] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 113.616792] CPU: 2 PID: 2223 Comm: cat Tainted: G D W 5.10.224-cip52 #1 # [ 113.624812] Hardware name: ARM Juno development board (r0) (DT) # [ 113.631006] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 113.637287] pc : refcount_warn_saturate+0x74/0x144 # [ 113.642350] lr : refcount_warn_saturate+0x74/0x144 # [ 113.647410] sp : ffff800015fd3cd0 # [ 113.650991] x29: ffff800015fd3cd0 x28: ffff00080080c980 # [ 113.656585] x27: 0000000000000000 x26: 0000000000000000 # [ 113.662179] x25: ffff8000114db320 x24: ffff800015fd3e20 # [ 113.667772] x23: 0000000000000016 x22: ffff000806c69000 # [ 113.673365] x21: ffff8000119f1080 x20: 000000000000002c # [ 113.678957] x19: ffff8000114db5f0 x18: ffff00097ef65c00 # [ 113.684549] x17: 0000000000000000 x16: 0000000000000000 # [ 113.690141] x15: 0000000000000000 x14: ffff0008002f0000 # [ 113.695734] x13: ffff80096d19f000 x12: 0000000030d4d91d # [ 113.701326] x11: 0000000000000000 x10: 0000000000001440 # [ 113.706918] x9 : ffff80001012b978 x8 : ffff800015fd38d0 # [ 113.712511] x7 : 0000000080180010 x6 : ffff800012575000 # [ 113.718103] x5 : ffff800012575c88 x4 : ffff00097ef4cc68 # [ 113.723695] x3 : 0000000000000000 x2 : 0000000000000000 # [ 113.729287] x1 : 0000000000000000 x0 : ffff00080080c980 # [ 113.734880] Call trace: # [ 113.737594] refcount_warn_saturate+0x74/0x144 # [ 113.742312] __refcount_add.constprop.0+0x74/0x80 # [ 113.747290] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7c/0xac # [ 113.752353] lkdtm_do_action+0x24/0x40 # [ 113.756371] direct_entry+0xc8/0x130 # [ 113.760216] full_proxy_write+0x68/0xbc # [ 113.764323] vfs_write+0xec/0x22c # [ 113.767905] ksys_write+0x78/0x110 # [ 113.771575] __arm64_sys_write+0x24/0x30 # [ 113.775770] el0_svc_common.constprop.0+0x84/0x1e0 # [ 113.780833] do_el0_svc+0x2c/0xa4 # [ 113.784416] el0_svc+0x20/0x30 # [ 113.787740] el0_sync_handler+0xe8/0x114 # [ 113.791931] el0_sync+0x180/0x1c0 # [ 113.795512] irq event stamp: 0 # [ 113.798837] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 113.805383] hardirqs last disabled at (0): [] copy_process+0x5f4/0x1df4 # [ 113.813841] softirqs last enabled at (0): [] copy_process+0x5f4/0x1df4 # [ 113.822296] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 113.828835] ---[ end trace 5e26b21ecf842915 ]--- # [ 113.833785] 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>[ 114.288287] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW <6>[ 114.295486] lkdtm: attempting bad refcount_inc_not_zero() overflow <4>[ 114.302032] ------------[ cut here ]------------ <4>[ 114.307123] refcount_t: saturated; leaking memory. <4>[ 114.312318] WARNING: CPU: 3 PID: 2256 at lib/refcount.c:19 refcount_warn_saturate+0x9c/0x144 <4>[ 114.321040] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 114.332826] CPU: 3 PID: 2256 Comm: cat Tainted: G D W 5.10.224-cip52 #1 <4>[ 114.340850] Hardware name: ARM Juno development board (r0) (DT) <4>[ 114.347051] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 114.353339] pc : refcount_warn_saturate+0x9c/0x144 <4>[ 114.358407] lr : refcount_warn_saturate+0x9c/0x144 <4>[ 114.363472] sp : ffff800016073cb0 <4>[ 114.367058] x29: ffff800016073cb0 x28: ffff00080312c980 <4>[ 114.372661] x27: 0000000000000000 x26: 0000000000000000 <4>[ 114.378263] x25: ffff8000114db320 x24: ffff800016073e20 <4>[ 114.383864] x23: 000000000000001f x22: 00000000ffffffff <4>[ 114.389467] x21: 000000007fffffff x20: 000000007fffffff <4>[ 114.395069] x19: ffff800016073d04 x18: 0000000000000006 <4>[ 114.400671] x17: 0000000000000100 x16: 0000000000000000 <4>[ 114.406273] x15: ffff8000160737c0 x14: ffff80009607397a <4>[ 114.411876] x13: ffff800016073982 x12: 0000000000000038 <4>[ 114.417478] x11: 0000000000000030 x10: ffff8000125fc128 <4>[ 114.423080] x9 : ffff80001012b978 x8 : 00000000ffffefff <4>[ 114.428682] x7 : ffff8000125fc128 x6 : ffff800012575000 <4>[ 114.434284] x5 : ffff800012575c88 x4 : ffff00097ef6ec68 <4>[ 114.439885] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 114.445487] x1 : 0000000000000000 x0 : ffff00080312c980 <4>[ 114.451089] Call trace: <4>[ 114.453809] refcount_warn_saturate+0x9c/0x144 <4>[ 114.458533] __refcount_add_not_zero.constprop.0+0xa0/0xc0 <4>[ 114.464299] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x44/0x88 <4>[ 114.470154] lkdtm_do_action+0x24/0x40 <4>[ 114.474178] direct_entry+0xc8/0x130 <4>[ 114.478029] full_proxy_write+0x68/0xbc <4>[ 114.482142] vfs_write+0xec/0x22c <4>[ 114.485731] ksys_write+0x78/0x110 <4>[ 114.489406] __arm64_sys_write+0x24/0x30 <4>[ 114.493607] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 114.498677] do_el0_svc+0x2c/0xa4 <4>[ 114.502267] el0_svc+0x20/0x30 <4>[ 114.505595] el0_sync_handler+0xe8/0x114 <4>[ 114.509793] el0_sync+0x180/0x1c0 <4>[ 114.513380] irq event stamp: 0 <4>[ 114.516710] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 114.523262] hardirqs last disabled at (0): [] copy_process+0x5f4/0x1df4 <4>[ 114.531727] softirqs last enabled at (0): [] copy_process+0x5f4/0x1df4 <4>[ 114.540189] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 114.546733] ---[ end trace 5e26b21ecf842916 ]--- <6>[ 114.551819] lkdtm: Overflow detected: saturated # [ 114.288287] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 114.295486] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 114.302032] ------------[ cut here ]------------ # [ 114.307123] refcount_t: saturated; leaking memory. # [ 114.312318] WARNING: CPU: 3 PID: 2256 at lib/refcount.c:19 refcount_warn_saturate+0x9c/0x144 # [ 114.321040] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 114.332826] CPU: 3 PID: 2256 Comm: cat Tainted: G D W 5.10.224-cip52 #1 # [ 114.340850] Hardware name: ARM Juno development board (r0) (DT) # [ 114.347051] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 114.353339] pc : refcount_warn_saturate+0x9c/0x144 # [ 114.358407] lr : refcount_warn_saturate+0x9c/0x144 # [ 114.363472] sp : ffff800016073cb0 # [ 114.367058] x29: ffff800016073cb0 x28: ffff00080312c980 # [ 114.372661] x27: 0000000000000000 x26: 0000000000000000 # [ 114.378263] x25: ffff8000114db320 x24: ffff800016073e20 # [ 114.383864] x23: 000000000000001f x22: 00000000ffffffff # [ 114.389467] x21: 000000007fffffff x20: 000000007fffffff # [ 114.395069] x19: ffff800016073d04 x18: 0000000000000006 # [ 114.400671] x17: 0000000000000100 x16: 0000000000000000 # [ 114.406273] x15: ffff8000160737c0 x14: ffff80009607397a # [ 114.411876] x13: ffff800016073982 x12: 0000000000000038 # [ 114.417478] x11: 0000000000000030 x10: ffff8000125fc128 # [ 114.423080] x9 : ffff80001012b978 x8 : 00000000ffffefff # [ 114.428682] x7 : ffff8000125fc128 x6 : ffff800012575000 # [ 114.434284] x5 : ffff800012575c88 x4 : ffff00097ef6ec68 # [ 114.439885] x3 : 0000000000000000 x2 : 0000000000000000 # [ 114.445487] x1 : 0000000000000000 x0 : ffff00080312c980 # [ 114.451089] Call trace: # [ 114.453809] refcount_warn_saturate+0x9c/0x144 # [ 114.458533] __refcount_add_not_zero.constprop.0+0xa0/0xc0 # [ 114.464299] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x44/0x88 # [ 114.470154] lkdtm_do_action+0x24/0x40 # [ 114.474178] direct_entry+0xc8/0x130 # [ 114.478029] full_proxy_write+0x68/0xbc # [ 114.482142] vfs_write+0xec/0x22c # [ 114.485731] ksys_write+0x78/0x110 # [ 114.489406] __arm64_sys_write+0x24/0x30 # [ 114.493607] el0_svc_common.constprop.0+0x84/0x1e0 # [ 114.498677] do_el0_svc+0x2c/0xa4 # [ 114.502267] el0_svc+0x20/0x30 # [ 114.505595] el0_sync_handler+0xe8/0x114 # [ 114.509793] el0_sync+0x180/0x1c0 # [ 114.513380] irq event stamp: 0 # [ 114.516710] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 114.523262] hardirqs last disabled at (0): [] copy_process+0x5f4/0x1df4 # [ 114.531727] softirqs last enabled at (0): [] copy_process+0x5f4/0x1df4 # [ 114.540189] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 114.546733] ---[ end trace 5e26b21ecf842916 ]--- # [ 114.551819] 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>[ 115.035365] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW <6>[ 115.042499] lkdtm: attempting bad refcount_add_not_zero() overflow <4>[ 115.049024] ------------[ cut here ]------------ <4>[ 115.053968] refcount_t: saturated; leaking memory. <4>[ 115.059226] WARNING: CPU: 5 PID: 2289 at lib/refcount.c:19 refcount_warn_saturate+0x9c/0x144 <4>[ 115.067950] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 115.079735] CPU: 5 PID: 2289 Comm: cat Tainted: G D W 5.10.224-cip52 #1 <4>[ 115.087760] Hardware name: ARM Juno development board (r0) (DT) <4>[ 115.093960] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 115.100248] pc : refcount_warn_saturate+0x9c/0x144 <4>[ 115.105316] lr : refcount_warn_saturate+0x9c/0x144 <4>[ 115.110381] sp : ffff800016113cb0 <4>[ 115.113967] x29: ffff800016113cb0 x28: ffff0008073eb100 <4>[ 115.119570] x27: 0000000000000000 x26: 0000000000000000 <4>[ 115.125172] x25: ffff8000114db320 x24: ffff800016113e20 <4>[ 115.130774] x23: 000000000000001f x22: 00000000ffffffff <4>[ 115.136376] x21: 000000007fffffff x20: 000000007fffffff <4>[ 115.141977] x19: ffff800016113d04 x18: 0000000000000006 <4>[ 115.147579] x17: 0000000000000100 x16: 0000000000000000 <4>[ 115.153181] x15: ffff8000161137c0 x14: ffff80009611397a <4>[ 115.158783] x13: ffff800016113983 x12: 0000000000000038 <4>[ 115.164384] x11: 0000000000000030 x10: 0000000000001440 <4>[ 115.169986] x9 : ffff80001012b978 x8 : ffff0008073ec5a0 <4>[ 115.175589] x7 : ffff000807c7d200 x6 : ffff800012575000 <4>[ 115.181190] x5 : ffff800012575c88 x4 : ffff00097efb2c68 <4>[ 115.186792] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 115.192393] x1 : 0000000000000000 x0 : ffff0008073eb100 <4>[ 115.197994] Call trace: <4>[ 115.200715] refcount_warn_saturate+0x9c/0x144 <4>[ 115.205440] __refcount_add_not_zero.constprop.0+0xa0/0xc0 <4>[ 115.211206] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x44/0x88 <4>[ 115.217060] lkdtm_do_action+0x24/0x40 <4>[ 115.221085] direct_entry+0xc8/0x130 <4>[ 115.224936] full_proxy_write+0x68/0xbc <4>[ 115.229049] vfs_write+0xec/0x22c <4>[ 115.232637] ksys_write+0x78/0x110 <4>[ 115.236313] __arm64_sys_write+0x24/0x30 <4>[ 115.240514] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 115.245583] do_el0_svc+0x2c/0xa4 <4>[ 115.249173] el0_svc+0x20/0x30 <4>[ 115.252502] el0_sync_handler+0xe8/0x114 <4>[ 115.256699] el0_sync+0x180/0x1c0 <4>[ 115.260285] irq event stamp: 0 <4>[ 115.263616] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 115.270168] hardirqs last disabled at (0): [] copy_process+0x5f4/0x1df4 <4>[ 115.278635] softirqs last enabled at (0): [] copy_process+0x5f4/0x1df4 <4>[ 115.287097] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 115.293642] ---[ end trace 5e26b21ecf842917 ]--- <6>[ 115.298789] lkdtm: Overflow detected: saturated # [ 115.035365] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 115.042499] lkdtm: attempting bad refcount_add_not_zero() overflow # [ 115.049024] ------------[ cut here ]------------ # [ 115.053968] refcount_t: saturated; leaking memory. # [ 115.059226] WARNING: CPU: 5 PID: 2289 at lib/refcount.c:19 refcount_warn_saturate+0x9c/0x144 # [ 115.067950] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 115.079735] CPU: 5 PID: 2289 Comm: cat Tainted: G D W 5.10.224-cip52 #1 # [ 115.087760] Hardware name: ARM Juno development board (r0) (DT) # [ 115.093960] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 115.100248] pc : refcount_warn_saturate+0x9c/0x144 # [ 115.105316] lr : refcount_warn_saturate+0x9c/0x144 # [ 115.110381] sp : ffff800016113cb0 # [ 115.113967] x29: ffff800016113cb0 x28: ffff0008073eb100 # [ 115.119570] x27: 0000000000000000 x26: 0000000000000000 # [ 115.125172] x25: ffff8000114db320 x24: ffff800016113e20 # [ 115.130774] x23: 000000000000001f x22: 00000000ffffffff # [ 115.136376] x21: 000000007fffffff x20: 000000007fffffff # [ 115.141977] x19: ffff800016113d04 x18: 0000000000000006 # [ 115.147579] x17: 0000000000000100 x16: 0000000000000000 # [ 115.153181] x15: ffff8000161137c0 x14: ffff80009611397a # [ 115.158783] x13: ffff800016113983 x12: 0000000000000038 # [ 115.164384] x11: 0000000000000030 x10: 0000000000001440 # [ 115.169986] x9 : ffff80001012b978 x8 : ffff0008073ec5a0 # [ 115.175589] x7 : ffff000807c7d200 x6 : ffff800012575000 # [ 115.181190] x5 : ffff800012575c88 x4 : ffff00097efb2c68 # [ 115.186792] x3 : 0000000000000000 x2 : 0000000000000000 # [ 115.192393] x1 : 0000000000000000 x0 : ffff0008073eb100 # [ 115.197994] Call trace: # [ 115.200715] refcount_warn_saturate+0x9c/0x144 # [ 115.205440] __refcount_add_not_zero.constprop.0+0xa0/0xc0 # [ 115.211206] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x44/0x88 # [ 115.217060] lkdtm_do_action+0x24/0x40 # [ 115.221085] direct_entry+0xc8/0x130 # [ 115.224936] full_proxy_write+0x68/0xbc # [ 115.229049] vfs_write+0xec/0x22c # [ 115.232637] ksys_write+0x78/0x110 # [ 115.236313] __arm64_sys_write+0x24/0x30 # [ 115.240514] el0_svc_common.constprop.0+0x84/0x1e0 # [ 115.245583] do_el0_svc+0x2c/0xa4 # [ 115.249173] el0_svc+0x20/0x30 # [ 115.252502] el0_sync_handler+0xe8/0x114 # [ 115.256699] el0_sync+0x180/0x1c0 # [ 115.260285] irq event stamp: 0 # [ 115.263616] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 115.270168] hardirqs last disabled at (0): [] copy_process+0x5f4/0x1df4 # [ 115.278635] softirqs last enabled at (0): [] copy_process+0x5f4/0x1df4 # [ 115.287097] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 115.293642] ---[ end trace 5e26b21ecf842917 ]--- # [ 115.298789] 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>[ 115.744024] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO <6>[ 115.750030] lkdtm: attempting good refcount_dec() <6>[ 115.755133] lkdtm: attempting bad refcount_dec() to zero <4>[ 115.760800] ------------[ cut here ]------------ <4>[ 115.766023] refcount_t: decrement hit 0; leaking memory. <4>[ 115.772070] WARNING: CPU: 1 PID: 2322 at lib/refcount.c:31 refcount_warn_saturate+0x13c/0x144 <4>[ 115.780878] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 115.792629] CPU: 1 PID: 2322 Comm: cat Tainted: G D W 5.10.224-cip52 #1 <4>[ 115.800649] Hardware name: ARM Juno development board (r0) (DT) <4>[ 115.806843] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 115.813124] pc : refcount_warn_saturate+0x13c/0x144 <4>[ 115.818273] lr : refcount_warn_saturate+0x13c/0x144 <4>[ 115.823420] sp : ffff8000161abcc0 <4>[ 115.827000] x29: ffff8000161abcc0 x28: ffff000800ba8000 <4>[ 115.832595] x27: 0000000000000000 x26: 0000000000000000 <4>[ 115.838188] x25: ffff8000114db320 x24: ffff8000161abe20 <4>[ 115.843780] x23: 0000000000000012 x22: ffff00080284e000 <4>[ 115.849373] x21: ffff8000119f10d8 x20: 000000000000002f <4>[ 115.854965] x19: ffff8000161abd04 x18: ffff00097ef43bf0 <4>[ 115.860558] x17: 0000000000000000 x16: 0000000000000000 <4>[ 115.866150] x15: 0000000000000000 x14: ffff00080029e200 <4>[ 115.871742] x13: ffff80096d17d000 x12: 0000000030d4d91d <4>[ 115.877335] x11: 0000000000000000 x10: 0000000000001440 <4>[ 115.882926] x9 : ffff80001012b978 x8 : ffff8000161ab8c0 <4>[ 115.888519] x7 : 000000008018000c x6 : ffff800012575000 <4>[ 115.894111] x5 : ffff800012575c88 x4 : ffff00097ef2ac68 <4>[ 115.899703] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 115.905295] x1 : 0000000000000000 x0 : ffff000800ba8000 <4>[ 115.910887] Call trace: <4>[ 115.913601] refcount_warn_saturate+0x13c/0x144 <4>[ 115.918405] __refcount_dec.constprop.0+0x5c/0x6c <4>[ 115.923382] lkdtm_REFCOUNT_DEC_ZERO+0x54/0xe0 <4>[ 115.928099] lkdtm_do_action+0x24/0x40 <4>[ 115.932118] direct_entry+0xc8/0x130 <4>[ 115.935963] full_proxy_write+0x68/0xbc <4>[ 115.940070] vfs_write+0xec/0x22c <4>[ 115.943652] ksys_write+0x78/0x110 <4>[ 115.947322] __arm64_sys_write+0x24/0x30 <4>[ 115.951517] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 115.956580] do_el0_svc+0x2c/0xa4 <4>[ 115.960163] el0_svc+0x20/0x30 <4>[ 115.963486] el0_sync_handler+0xe8/0x114 <4>[ 115.967678] el0_sync+0x180/0x1c0 <4>[ 115.971258] irq event stamp: 0 <4>[ 115.974583] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 115.981128] hardirqs last disabled at (0): [] copy_process+0x5f4/0x1df4 <4>[ 115.989587] softirqs last enabled at (0): [] copy_process+0x5f4/0x1df4 <4>[ 115.998042] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 116.004581] ---[ end trace 5e26b21ecf842918 ]--- <6>[ 116.009617] lkdtm: Zero detected: saturated # [ 115.744024] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO # [ 115.750030] lkdtm: attempting good refcount_dec() # [ 115.755133] lkdtm: attempting bad refcount_dec() to zero # [ 115.760800] ------------[ cut here ]------------ # [ 115.766023] refcount_t: decrement hit 0; leaking memory. # [ 115.772070] WARNING: CPU: 1 PID: 2322 at lib/refcount.c:31 refcount_warn_saturate+0x13c/0x144 # [ 115.780878] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 115.792629] CPU: 1 PID: 2322 Comm: cat Tainted: G D W 5.10.224-cip52 #1 # [ 115.800649] Hardware name: ARM Juno development board (r0) (DT) # [ 115.806843] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 115.813124] pc : refcount_warn_saturate+0x13c/0x144 # [ 115.818273] lr : refcount_warn_saturate+0x13c/0x144 # [ 115.823420] sp : ffff8000161abcc0 # [ 115.827000] x29: ffff8000161abcc0 x28: ffff000800ba8000 # [ 115.832595] x27: 0000000000000000 x26: 0000000000000000 # [ 115.838188] x25: ffff8000114db320 x24: ffff8000161abe20 # [ 115.843780] x23: 0000000000000012 x22: ffff00080284e000 # [ 115.849373] x21: ffff8000119f10d8 x20: 000000000000002f # [ 115.854965] x19: ffff8000161abd04 x18: ffff00097ef43bf0 # [ 115.860558] x17: 0000000000000000 x16: 0000000000000000 # [ 115.866150] x15: 0000000000000000 x14: ffff00080029e200 # [ 115.871742] x13: ffff80096d17d000 x12: 0000000030d4d91d # [ 115.877335] x11: 0000000000000000 x10: 0000000000001440 # [ 115.882926] x9 : ffff80001012b978 x8 : ffff8000161ab8c0 # [ 115.888519] x7 : 000000008018000c x6 : ffff800012575000 # [ 115.894111] x5 : ffff800012575c88 x4 : ffff00097ef2ac68 # [ 115.899703] x3 : 0000000000000000 x2 : 0000000000000000 # [ 115.905295] x1 : 0000000000000000 x0 : ffff000800ba8000 # [ 115.910887] Call trace: # [ 115.913601] refcount_warn_saturate+0x13c/0x144 # [ 115.918405] __refcount_dec.constprop.0+0x5c/0x6c # [ 115.923382] lkdtm_REFCOUNT_DEC_ZERO+0x54/0xe0 # [ 115.928099] lkdtm_do_action+0x24/0x40 # [ 115.932118] direct_entry+0xc8/0x130 # [ 115.935963] full_proxy_write+0x68/0xbc # [ 115.940070] vfs_write+0xec/0x22c # [ 115.943652] ksys_write+0x78/0x110 # [ 115.947322] __arm64_sys_write+0x24/0x30 # [ 115.951517] el0_svc_common.constprop.0+0x84/0x1e0 # [ 115.956580] do_el0_svc+0x2c/0xa4 # [ 115.960163] el0_svc+0x20/0x30 # [ 115.963486] el0_sync_handler+0xe8/0x114 # [ 115.967678] el0_sync+0x180/0x1c0 # [ 115.971258] irq event stamp: 0 # [ 115.974583] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 115.981128] hardirqs last disabled at (0): [] copy_process+0x5f4/0x1df4 # [ 115.989587] softirqs last enabled at (0): [] copy_process+0x5f4/0x1df4 # [ 115.998042] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 116.004581] ---[ end trace 5e26b21ecf842918 ]--- # [ 116.009617] 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>[ 116.498020] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE <6>[ 116.504388] lkdtm: attempting bad refcount_dec() below zero <4>[ 116.510296] ------------[ cut here ]------------ <4>[ 116.515238] refcount_t: decrement hit 0; leaking memory. <4>[ 116.521007] WARNING: CPU: 1 PID: 2358 at lib/refcount.c:31 refcount_warn_saturate+0x13c/0x144 <4>[ 116.529814] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 116.541566] CPU: 1 PID: 2358 Comm: cat Tainted: G D W 5.10.224-cip52 #1 <4>[ 116.549586] Hardware name: ARM Juno development board (r0) (DT) <4>[ 116.555781] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 116.562062] pc : refcount_warn_saturate+0x13c/0x144 <4>[ 116.567212] lr : refcount_warn_saturate+0x13c/0x144 <4>[ 116.572358] sp : ffff80001624bcc0 <4>[ 116.575939] x29: ffff80001624bcc0 x28: ffff000804a51880 <4>[ 116.581533] x27: 0000000000000000 x26: 0000000000000000 <4>[ 116.587127] x25: ffff8000114db320 x24: ffff80001624be20 <4>[ 116.592719] x23: 0000000000000016 x22: ffff0008073ff000 <4>[ 116.598311] x21: ffff8000119f10f0 x20: 0000000000000030 <4>[ 116.603904] x19: ffff80001624bd04 x18: 0000000000000000 <4>[ 116.609496] x17: 0000000000000003 x16: 0000000000000000 <4>[ 116.615088] x15: 0000000000000003 x14: 000000000000021a <4>[ 116.620681] x13: 0000000000000000 x12: 0000000000000003 <4>[ 116.626273] x11: 0000000000000000 x10: 0000000000001440 <4>[ 116.631865] x9 : ffff80001012b978 x8 : ffff000804a52d20 <4>[ 116.637457] x7 : 00000000000003e6 x6 : ffff800012575000 <4>[ 116.643049] x5 : ffff800012575c88 x4 : ffff00097ef2ac68 <4>[ 116.648641] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 116.654233] x1 : 0000000000000000 x0 : ffff000804a51880 <4>[ 116.659825] Call trace: <4>[ 116.662539] refcount_warn_saturate+0x13c/0x144 <4>[ 116.667345] __refcount_dec.constprop.0+0x5c/0x6c <4>[ 116.672321] lkdtm_REFCOUNT_DEC_NEGATIVE+0x3c/0x70 <4>[ 116.677386] lkdtm_do_action+0x24/0x40 <4>[ 116.681405] direct_entry+0xc8/0x130 <4>[ 116.685250] full_proxy_write+0x68/0xbc <4>[ 116.689356] vfs_write+0xec/0x22c <4>[ 116.692939] ksys_write+0x78/0x110 <4>[ 116.696609] __arm64_sys_write+0x24/0x30 <4>[ 116.700804] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 116.705867] do_el0_svc+0x2c/0xa4 <4>[ 116.709450] el0_svc+0x20/0x30 <4>[ 116.712773] el0_sync_handler+0xe8/0x114 <4>[ 116.716965] el0_sync+0x180/0x1c0 <4>[ 116.720547] irq event stamp: 0 <4>[ 116.723870] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 116.730416] hardirqs last disabled at (0): [] copy_process+0x5f4/0x1df4 <4>[ 116.738874] softirqs last enabled at (0): [] copy_process+0x5f4/0x1df4 <4>[ 116.747330] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 116.753868] ---[ end trace 5e26b21ecf842919 ]--- <6>[ 116.758851] lkdtm: Negative detected: saturated # [ 116.498020] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 116.504388] lkdtm: attempting bad refcount_dec() below zero # [ 116.510296] ------------[ cut here ]------------ # [ 116.515238] refcount_t: decrement hit 0; leaking memory. # [ 116.521007] WARNING: CPU: 1 PID: 2358 at lib/refcount.c:31 refcount_warn_saturate+0x13c/0x144 # [ 116.529814] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 116.541566] CPU: 1 PID: 2358 Comm: cat Tainted: G D W 5.10.224-cip52 #1 # [ 116.549586] Hardware name: ARM Juno development board (r0) (DT) # [ 116.555781] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 116.562062] pc : refcount_warn_saturate+0x13c/0x144 # [ 116.567212] lr : refcount_warn_saturate+0x13c/0x144 # [ 116.572358] sp : ffff80001624bcc0 # [ 116.575939] x29: ffff80001624bcc0 x28: ffff000804a51880 # [ 116.581533] x27: 0000000000000000 x26: 0000000000000000 # [ 116.587127] x25: ffff8000114db320 x24: ffff80001624be20 # [ 116.592719] x23: 0000000000000016 x22: ffff0008073ff000 # [ 116.598311] x21: ffff8000119f10f0 x20: 0000000000000030 # [ 116.603904] x19: ffff80001624bd04 x18: 0000000000000000 # [ 116.609496] x17: 0000000000000003 x16: 0000000000000000 # [ 116.615088] x15: 0000000000000003 x14: 000000000000021a # [ 116.620681] x13: 0000000000000000 x12: 0000000000000003 # [ 116.626273] x11: 0000000000000000 x10: 0000000000001440 # [ 116.631865] x9 : ffff80001012b978 x8 : ffff000804a52d20 # [ 116.637457] x7 : 00000000000003e6 x6 : ffff800012575000 # [ 116.643049] x5 : ffff800012575c88 x4 : ffff00097ef2ac68 # [ 116.648641] x3 : 0000000000000000 x2 : 0000000000000000 # [ 116.654233] x1 : 0000000000000000 x0 : ffff000804a51880 # [ 116.659825] Call trace: # [ 116.662539] refcount_warn_saturate+0x13c/0x144 # [ 116.667345] __refcount_dec.constprop.0+0x5c/0x6c # [ 116.672321] lkdtm_REFCOUNT_DEC_NEGATIVE+0x3c/0x70 # [ 116.677386] lkdtm_do_action+0x24/0x40 # [ 116.681405] direct_entry+0xc8/0x130 # [ 116.685250] full_proxy_write+0x68/0xbc # [ 116.689356] vfs_write+0xec/0x22c # [ 116.692939] ksys_write+0x78/0x110 # [ 116.696609] __arm64_sys_write+0x24/0x30 # [ 116.700804] el0_svc_common.constprop.0+0x84/0x1e0 # [ 116.705867] do_el0_svc+0x2c/0xa4 # [ 116.709450] el0_svc+0x20/0x30 # [ 116.712773] el0_sync_handler+0xe8/0x114 # [ 116.716965] el0_sync+0x180/0x1c0 # [ 116.720547] irq event stamp: 0 # [ 116.723870] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 116.730416] hardirqs last disabled at (0): [] copy_process+0x5f4/0x1df4 # [ 116.738874] softirqs last enabled at (0): [] copy_process+0x5f4/0x1df4 # [ 116.747330] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 116.753868] ---[ end trace 5e26b21ecf842919 ]--- # [ 116.758851] 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>[ 117.245572] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE <6>[ 117.252793] lkdtm: attempting bad refcount_dec_and_test() below zero <4>[ 117.259552] ------------[ cut here ]------------ <4>[ 117.264528] refcount_t: underflow; use-after-free. <4>[ 117.269904] WARNING: CPU: 4 PID: 2394 at lib/refcount.c:28 refcount_warn_saturate+0xf4/0x144 <4>[ 117.278625] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 117.290411] CPU: 4 PID: 2394 Comm: cat Tainted: G D W 5.10.224-cip52 #1 <4>[ 117.298435] Hardware name: ARM Juno development board (r0) (DT) <4>[ 117.304636] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 117.310924] pc : refcount_warn_saturate+0xf4/0x144 <4>[ 117.315993] lr : refcount_warn_saturate+0xf4/0x144 <4>[ 117.321057] sp : ffff8000162e3cd0 <4>[ 117.324643] x29: ffff8000162e3cd0 x28: ffff000808978000 <4>[ 117.330246] x27: 0000000000000000 x26: 0000000000000000 <4>[ 117.335848] x25: ffff8000114db320 x24: ffff8000162e3e20 <4>[ 117.341450] x23: 000000000000001f x22: ffff000803cb5000 <4>[ 117.347052] x21: ffff8000119f1108 x20: 0000000000000031 <4>[ 117.352654] x19: ffff8000114db640 x18: 0000000000000006 <4>[ 117.358256] x17: 0000000000000100 x16: 0000000000000000 <4>[ 117.363857] x15: ffff8000162e37e0 x14: ffff8000962e399a <4>[ 117.369460] x13: ffff8000162e39a2 x12: 0000000000000038 <4>[ 117.375061] x11: 0000000000000030 x10: ffff8000125fc128 <4>[ 117.380663] x9 : ffff80001012b978 x8 : 00000000ffffefff <4>[ 117.386265] x7 : ffff8000125fc128 x6 : ffff800012575000 <4>[ 117.391866] x5 : ffff800012575c88 x4 : ffff00097ef90c68 <4>[ 117.397468] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 117.403070] x1 : 0000000000000000 x0 : ffff000808978000 <4>[ 117.408672] Call trace: <4>[ 117.411392] refcount_warn_saturate+0xf4/0x144 <4>[ 117.416117] __refcount_sub_and_test.constprop.0+0x70/0x80 <4>[ 117.421885] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x40/0x88 <4>[ 117.427738] lkdtm_do_action+0x24/0x40 <4>[ 117.431762] direct_entry+0xc8/0x130 <4>[ 117.435614] full_proxy_write+0x68/0xbc <4>[ 117.439727] vfs_write+0xec/0x22c <4>[ 117.443315] ksys_write+0x78/0x110 <4>[ 117.446991] __arm64_sys_write+0x24/0x30 <4>[ 117.451193] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 117.456262] do_el0_svc+0x2c/0xa4 <4>[ 117.459852] el0_svc+0x20/0x30 <4>[ 117.463181] el0_sync_handler+0xe8/0x114 <4>[ 117.467379] el0_sync+0x180/0x1c0 <4>[ 117.470966] irq event stamp: 0 <4>[ 117.474297] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 117.480849] hardirqs last disabled at (0): [] copy_process+0x5f4/0x1df4 <4>[ 117.489314] softirqs last enabled at (0): [] copy_process+0x5f4/0x1df4 <4>[ 117.497776] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 117.504321] ---[ end trace 5e26b21ecf84291a ]--- <6>[ 117.509540] lkdtm: Negative detected: saturated # [ 117.245572] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 117.252793] lkdtm: attempting bad refcount_dec_and_test() below zero # [ 117.259552] ------------[ cut here ]------------ # [ 117.264528] refcount_t: underflow; use-after-free. # [ 117.269904] WARNING: CPU: 4 PID: 2394 at lib/refcount.c:28 refcount_warn_saturate+0xf4/0x144 # [ 117.278625] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 117.290411] CPU: 4 PID: 2394 Comm: cat Tainted: G D W 5.10.224-cip52 #1 # [ 117.298435] Hardware name: ARM Juno development board (r0) (DT) # [ 117.304636] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 117.310924] pc : refcount_warn_saturate+0xf4/0x144 # [ 117.315993] lr : refcount_warn_saturate+0xf4/0x144 # [ 117.321057] sp : ffff8000162e3cd0 # [ 117.324643] x29: ffff8000162e3cd0 x28: ffff000808978000 # [ 117.330246] x27: 0000000000000000 x26: 0000000000000000 # [ 117.335848] x25: ffff8000114db320 x24: ffff8000162e3e20 # [ 117.341450] x23: 000000000000001f x22: ffff000803cb5000 # [ 117.347052] x21: ffff8000119f1108 x20: 0000000000000031 # [ 117.352654] x19: ffff8000114db640 x18: 0000000000000006 # [ 117.358256] x17: 0000000000000100 x16: 0000000000000000 # [ 117.363857] x15: ffff8000162e37e0 x14: ffff8000962e399a # [ 117.369460] x13: ffff8000162e39a2 x12: 0000000000000038 # [ 117.375061] x11: 0000000000000030 x10: ffff8000125fc128 # [ 117.380663] x9 : ffff80001012b978 x8 : 00000000ffffefff # [ 117.386265] x7 : ffff8000125fc128 x6 : ffff800012575000 # [ 117.391866] x5 : ffff800012575c88 x4 : ffff00097ef90c68 # [ 117.397468] x3 : 0000000000000000 x2 : 0000000000000000 # [ 117.403070] x1 : 0000000000000000 x0 : ffff000808978000 # [ 117.408672] Call trace: # [ 117.411392] refcount_warn_saturate+0xf4/0x144 # [ 117.416117] __refcount_sub_and_test.constprop.0+0x70/0x80 # [ 117.421885] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x40/0x88 # [ 117.427738] lkdtm_do_action+0x24/0x40 # [ 117.431762] direct_entry+0xc8/0x130 # [ 117.435614] full_proxy_write+0x68/0xbc # [ 117.439727] vfs_write+0xec/0x22c # [ 117.443315] ksys_write+0x78/0x110 # [ 117.446991] __arm64_sys_write+0x24/0x30 # [ 117.451193] el0_svc_common.constprop.0+0x84/0x1e0 # [ 117.456262] do_el0_svc+0x2c/0xa4 # [ 117.459852] el0_svc+0x20/0x30 # [ 117.463181] el0_sync_handler+0xe8/0x114 # [ 117.467379] el0_sync+0x180/0x1c0 # [ 117.470966] irq event stamp: 0 # [ 117.474297] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 117.480849] hardirqs last disabled at (0): [] copy_process+0x5f4/0x1df4 # [ 117.489314] softirqs last enabled at (0): [] copy_process+0x5f4/0x1df4 # [ 117.497776] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 117.504321] ---[ end trace 5e26b21ecf84291a ]--- # [ 117.509540] 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>[ 117.994334] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE <6>[ 118.001514] lkdtm: attempting bad refcount_sub_and_test() below zero <4>[ 118.008330] ------------[ cut here ]------------ <4>[ 118.013270] refcount_t: underflow; use-after-free. <4>[ 118.018523] WARNING: CPU: 3 PID: 2430 at lib/refcount.c:28 refcount_warn_saturate+0xf4/0x144 <4>[ 118.027245] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 118.039031] CPU: 3 PID: 2430 Comm: cat Tainted: G D W 5.10.224-cip52 #1 <4>[ 118.047055] Hardware name: ARM Juno development board (r0) (DT) <4>[ 118.053257] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 118.059545] pc : refcount_warn_saturate+0xf4/0x144 <4>[ 118.064614] lr : refcount_warn_saturate+0xf4/0x144 <4>[ 118.069679] sp : ffff80001638bcd0 <4>[ 118.073265] x29: ffff80001638bcd0 x28: ffff000804a50000 <4>[ 118.078868] x27: 0000000000000000 x26: 0000000000000000 <4>[ 118.084470] x25: ffff8000114db320 x24: ffff80001638be20 <4>[ 118.090073] x23: 000000000000001f x22: ffff000803cea000 <4>[ 118.095674] x21: ffff8000119f1128 x20: 0000000000000032 <4>[ 118.101276] x19: ffff8000114db650 x18: 0000000000000006 <4>[ 118.106878] x17: 0000000000000100 x16: 0000000000000000 <4>[ 118.112480] x15: ffff80001638b7e0 x14: ffff80009638b99a <4>[ 118.118082] x13: ffff80001638b9a3 x12: 0000000000000038 <4>[ 118.123683] x11: 0000000000000030 x10: 0000000000001440 <4>[ 118.129285] x9 : ffff80001012b978 x8 : ffff000804a514a0 <4>[ 118.134887] x7 : ffff0008073d7000 x6 : ffff800012575000 <4>[ 118.140489] x5 : ffff800012575c88 x4 : ffff00097ef6ec68 <4>[ 118.146090] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 118.151692] x1 : 0000000000000000 x0 : ffff000804a50000 <4>[ 118.157294] Call trace: <4>[ 118.160015] refcount_warn_saturate+0xf4/0x144 <4>[ 118.164740] __refcount_sub_and_test.constprop.0+0x70/0x80 <4>[ 118.170509] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x44/0x8c <4>[ 118.176361] lkdtm_do_action+0x24/0x40 <4>[ 118.180386] direct_entry+0xc8/0x130 <4>[ 118.184237] full_proxy_write+0x68/0xbc <4>[ 118.188349] vfs_write+0xec/0x22c <4>[ 118.191938] ksys_write+0x78/0x110 <4>[ 118.195614] __arm64_sys_write+0x24/0x30 <4>[ 118.199815] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 118.204885] do_el0_svc+0x2c/0xa4 <4>[ 118.208475] el0_svc+0x20/0x30 <4>[ 118.211804] el0_sync_handler+0xe8/0x114 <4>[ 118.216003] el0_sync+0x180/0x1c0 <4>[ 118.219589] irq event stamp: 0 <4>[ 118.222920] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 118.229471] hardirqs last disabled at (0): [] copy_process+0x5f4/0x1df4 <4>[ 118.237936] softirqs last enabled at (0): [] copy_process+0x5f4/0x1df4 <4>[ 118.246398] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 118.252942] ---[ end trace 5e26b21ecf84291b ]--- <6>[ 118.258635] lkdtm: Negative detected: saturated # [ 117.994334] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 118.001514] lkdtm: attempting bad refcount_sub_and_test() below zero # [ 118.008330] ------------[ cut here ]------------ # [ 118.013270] refcount_t: underflow; use-after-free. # [ 118.018523] WARNING: CPU: 3 PID: 2430 at lib/refcount.c:28 refcount_warn_saturate+0xf4/0x144 # [ 118.027245] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 118.039031] CPU: 3 PID: 2430 Comm: cat Tainted: G D W 5.10.224-cip52 #1 # [ 118.047055] Hardware name: ARM Juno development board (r0) (DT) # [ 118.053257] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 118.059545] pc : refcount_warn_saturate+0xf4/0x144 # [ 118.064614] lr : refcount_warn_saturate+0xf4/0x144 # [ 118.069679] sp : ffff80001638bcd0 # [ 118.073265] x29: ffff80001638bcd0 x28: ffff000804a50000 # [ 118.078868] x27: 0000000000000000 x26: 0000000000000000 # [ 118.084470] x25: ffff8000114db320 x24: ffff80001638be20 # [ 118.090073] x23: 000000000000001f x22: ffff000803cea000 # [ 118.095674] x21: ffff8000119f1128 x20: 0000000000000032 # [ 118.101276] x19: ffff8000114db650 x18: 0000000000000006 # [ 118.106878] x17: 0000000000000100 x16: 0000000000000000 # [ 118.112480] x15: ffff80001638b7e0 x14: ffff80009638b99a # [ 118.118082] x13: ffff80001638b9a3 x12: 0000000000000038 # [ 118.123683] x11: 0000000000000030 x10: 0000000000001440 # [ 118.129285] x9 : ffff80001012b978 x8 : ffff000804a514a0 # [ 118.134887] x7 : ffff0008073d7000 x6 : ffff800012575000 # [ 118.140489] x5 : ffff800012575c88 x4 : ffff00097ef6ec68 # [ 118.146090] x3 : 0000000000000000 x2 : 0000000000000000 # [ 118.151692] x1 : 0000000000000000 x0 : ffff000804a50000 # [ 118.157294] Call trace: # [ 118.160015] refcount_warn_saturate+0xf4/0x144 # [ 118.164740] __refcount_sub_and_test.constprop.0+0x70/0x80 # [ 118.170509] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x44/0x8c # [ 118.176361] lkdtm_do_action+0x24/0x40 # [ 118.180386] direct_entry+0xc8/0x130 # [ 118.184237] full_proxy_write+0x68/0xbc # [ 118.188349] vfs_write+0xec/0x22c # [ 118.191938] ksys_write+0x78/0x110 # [ 118.195614] __arm64_sys_write+0x24/0x30 # [ 118.199815] el0_svc_common.constprop.0+0x84/0x1e0 # [ 118.204885] do_el0_svc+0x2c/0xa4 # [ 118.208475] el0_svc+0x20/0x30 # [ 118.211804] el0_sync_handler+0xe8/0x114 # [ 118.216003] el0_sync+0x180/0x1c0 # [ 118.219589] irq event stamp: 0 # [ 118.222920] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 118.229471] hardirqs last disabled at (0): [] copy_process+0x5f4/0x1df4 # [ 118.237936] softirqs last enabled at (0): [] copy_process+0x5f4/0x1df4 # [ 118.246398] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 118.252942] ---[ end trace 5e26b21ecf84291b ]--- # [ 118.258635] 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>[ 118.726398] lkdtm: Performing direct entry REFCOUNT_INC_ZERO <6>[ 118.732435] lkdtm: attempting safe refcount_inc_not_zero() from zero <6>[ 118.739144] lkdtm: Good: zero detected <6>[ 118.743218] lkdtm: Correctly stayed at zero <6>[ 118.747795] lkdtm: attempting bad refcount_inc() from zero <4>[ 118.753783] ------------[ cut here ]------------ <4>[ 118.758742] refcount_t: addition on 0; use-after-free. <4>[ 118.764221] WARNING: CPU: 1 PID: 2463 at lib/refcount.c:25 refcount_warn_saturate+0xc8/0x144 <4>[ 118.772938] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 118.784691] CPU: 1 PID: 2463 Comm: cat Tainted: G D W 5.10.224-cip52 #1 <4>[ 118.792711] Hardware name: ARM Juno development board (r0) (DT) <4>[ 118.798906] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 118.805187] pc : refcount_warn_saturate+0xc8/0x144 <4>[ 118.810249] lr : refcount_warn_saturate+0xc8/0x144 <4>[ 118.815309] sp : ffff8000163f3cd0 <4>[ 118.818890] x29: ffff8000163f3cd0 x28: ffff000802a89880 <4>[ 118.824484] x27: 0000000000000000 x26: 0000000000000000 <4>[ 118.830077] x25: ffff8000114db320 x24: ffff8000163f3e20 <4>[ 118.835669] x23: 0000000000000012 x22: ffff0008072cb000 <4>[ 118.841262] x21: ffff8000119f1148 x20: 0000000000000033 <4>[ 118.846854] x19: ffff8000114db660 x18: 0000000000000006 <4>[ 118.852447] x17: 0000000000000000 x16: 0000000000000000 <4>[ 118.858039] x15: ffff8000163f37e0 x14: ffff8000963f399a <4>[ 118.863631] x13: ffff8000163f39a2 x12: 0000000030d4d91d <4>[ 118.869223] x11: 0000000000000000 x10: ffff8000125fc128 <4>[ 118.874816] x9 : ffff80001012b978 x8 : 00000000ffffefff <4>[ 118.880408] x7 : ffff8000125fc128 x6 : ffff800012575000 <4>[ 118.886000] x5 : ffff800012575c88 x4 : ffff00097ef2ac68 <4>[ 118.891592] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 118.897185] x1 : 0000000000000000 x0 : ffff000802a89880 <4>[ 118.902777] Call trace: <4>[ 118.905491] refcount_warn_saturate+0xc8/0x144 <4>[ 118.910210] __refcount_add.constprop.0+0x60/0x80 <4>[ 118.915188] lkdtm_REFCOUNT_INC_ZERO+0xa0/0xd0 <4>[ 118.919903] lkdtm_do_action+0x24/0x40 <4>[ 118.923922] direct_entry+0xc8/0x130 <4>[ 118.927768] full_proxy_write+0x68/0xbc <4>[ 118.931874] vfs_write+0xec/0x22c <4>[ 118.935457] ksys_write+0x78/0x110 <4>[ 118.939127] __arm64_sys_write+0x24/0x30 <4>[ 118.943322] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 118.948385] do_el0_svc+0x2c/0xa4 <4>[ 118.951968] el0_svc+0x20/0x30 <4>[ 118.955291] el0_sync_handler+0xe8/0x114 <4>[ 118.959483] el0_sync+0x180/0x1c0 <4>[ 118.963064] irq event stamp: 0 <4>[ 118.966388] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 118.972933] hardirqs last disabled at (0): [] copy_process+0x5f4/0x1df4 <4>[ 118.981392] softirqs last enabled at (0): [] copy_process+0x5f4/0x1df4 <4>[ 118.989848] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 118.996387] ---[ end trace 5e26b21ecf84291c ]--- <6>[ 119.001378] lkdtm: Zero detected: saturated # [ 118.726398] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 118.732435] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 118.739144] lkdtm: Good: zero detected # [ 118.743218] lkdtm: Correctly stayed at zero # [ 118.747795] lkdtm: attempting bad refcount_inc() from zero # [ 118.753783] ------------[ cut here ]------------ # [ 118.758742] refcount_t: addition on 0; use-after-free. # [ 118.764221] WARNING: CPU: 1 PID: 2463 at lib/refcount.c:25 refcount_warn_saturate+0xc8/0x144 # [ 118.772938] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 118.784691] CPU: 1 PID: 2463 Comm: cat Tainted: G D W 5.10.224-cip52 #1 # [ 118.792711] Hardware name: ARM Juno development board (r0) (DT) # [ 118.798906] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 118.805187] pc : refcount_warn_saturate+0xc8/0x144 # [ 118.810249] lr : refcount_warn_saturate+0xc8/0x144 # [ 118.815309] sp : ffff8000163f3cd0 # [ 118.818890] x29: ffff8000163f3cd0 x28: ffff000802a89880 # [ 118.824484] x27: 0000000000000000 x26: 0000000000000000 # [ 118.830077] x25: ffff8000114db320 x24: ffff8000163f3e20 # [ 118.835669] x23: 0000000000000012 x22: ffff0008072cb000 # [ 118.841262] x21: ffff8000119f1148 x20: 0000000000000033 # [ 118.846854] x19: ffff8000114db660 x18: 0000000000000006 # [ 118.852447] x17: 0000000000000000 x16: 0000000000000000 # [ 118.858039] x15: ffff8000163f37e0 x14: ffff8000963f399a # [ 118.863631] x13: ffff8000163f39a2 x12: 0000000030d4d91d # [ 118.869223] x11: 0000000000000000 x10: ffff8000125fc128 # [ 118.874816] x9 : ffff80001012b978 x8 : 00000000ffffefff # [ 118.880408] x7 : ffff8000125fc128 x6 : ffff800012575000 # [ 118.886000] x5 : ffff800012575c88 x4 : ffff00097ef2ac68 # [ 118.891592] x3 : 0000000000000000 x2 : 0000000000000000 # [ 118.897185] x1 : 0000000000000000 x0 : ffff000802a89880 # [ 118.902777] Call trace: # [ 118.905491] refcount_warn_saturate+0xc8/0x144 # [ 118.910210] __refcount_add.constprop.0+0x60/0x80 # [ 118.915188] lkdtm_REFCOUNT_INC_ZERO+0xa0/0xd0 # [ 118.919903] lkdtm_do_action+0x24/0x40 # [ 118.923922] direct_entry+0xc8/0x130 # [ 118.927768] full_proxy_write+0x68/0xbc # [ 118.931874] vfs_write+0xec/0x22c # [ 118.935457] ksys_write+0x78/0x110 # [ 118.939127] __arm64_sys_write+0x24/0x30 # [ 118.943322] el0_svc_common.constprop.0+0x84/0x1e0 # [ 118.948385] do_el0_svc+0x2c/0xa4 # [ 118.951968] el0_svc+0x20/0x30 # [ 118.955291] el0_sync_handler+0xe8/0x114 # [ 118.959483] el0_sync+0x180/0x1c0 # [ 118.963064] irq event stamp: 0 # [ 118.966388] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 118.972933] hardirqs last disabled at (0): [] copy_process+0x5f4/0x1df4 # [ 118.981392] softirqs last enabled at (0): [] copy_process+0x5f4/0x1df4 # [ 118.989848] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 118.996387] ---[ end trace 5e26b21ecf84291c ]--- # [ 119.001378] 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>[ 119.499651] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO <6>[ 119.505657] lkdtm: attempting safe refcount_add_not_zero() from zero <6>[ 119.512406] lkdtm: Good: zero detected <6>[ 119.516505] lkdtm: Correctly stayed at zero <6>[ 119.521276] lkdtm: attempting bad refcount_add() from zero <4>[ 119.527138] ------------[ cut here ]------------ <4>[ 119.532090] refcount_t: addition on 0; use-after-free. <4>[ 119.537578] WARNING: CPU: 1 PID: 2496 at lib/refcount.c:25 refcount_warn_saturate+0xc8/0x144 <4>[ 119.546295] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 119.558047] CPU: 1 PID: 2496 Comm: cat Tainted: G D W 5.10.224-cip52 #1 <4>[ 119.566067] Hardware name: ARM Juno development board (r0) (DT) <4>[ 119.572263] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 119.578544] pc : refcount_warn_saturate+0xc8/0x144 <4>[ 119.583607] lr : refcount_warn_saturate+0xc8/0x144 <4>[ 119.588667] sp : ffff800016473cd0 <4>[ 119.592249] x29: ffff800016473cd0 x28: ffff000800b7c980 <4>[ 119.597844] x27: 0000000000000000 x26: 0000000000000000 <4>[ 119.603438] x25: ffff8000114db320 x24: ffff800016473e20 <4>[ 119.609030] x23: 0000000000000012 x22: ffff0008068fb000 <4>[ 119.614623] x21: ffff8000119f1160 x20: 0000000000000034 <4>[ 119.620215] x19: ffff8000114db670 x18: 0000000000000006 <4>[ 119.625808] x17: 0000000000000002 x16: 0000000000000000 <4>[ 119.631400] x15: ffff8000164737e0 x14: ffff80009647399a <4>[ 119.636992] x13: ffff8000164739a2 x12: 0000000000000003 <4>[ 119.642584] x11: 0000000000000000 x10: ffff8000125fc128 <4>[ 119.648177] x9 : ffff80001012b978 x8 : 00000000ffffefff <4>[ 119.653769] x7 : ffff8000125fc128 x6 : ffff800012575000 <4>[ 119.659361] x5 : ffff800012575c88 x4 : ffff00097ef2ac68 <4>[ 119.664954] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 119.670545] x1 : 0000000000000000 x0 : ffff000800b7c980 <4>[ 119.676138] Call trace: <4>[ 119.678852] refcount_warn_saturate+0xc8/0x144 <4>[ 119.683570] __refcount_add.constprop.0+0x60/0x80 <4>[ 119.688549] lkdtm_REFCOUNT_ADD_ZERO+0xa0/0xd0 <4>[ 119.693264] lkdtm_do_action+0x24/0x40 <4>[ 119.697283] direct_entry+0xc8/0x130 <4>[ 119.701129] full_proxy_write+0x68/0xbc <4>[ 119.705236] vfs_write+0xec/0x22c <4>[ 119.708818] ksys_write+0x78/0x110 <4>[ 119.712488] __arm64_sys_write+0x24/0x30 <4>[ 119.716683] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 119.721746] do_el0_svc+0x2c/0xa4 <4>[ 119.725329] el0_svc+0x20/0x30 <4>[ 119.728653] el0_sync_handler+0xe8/0x114 <4>[ 119.732845] el0_sync+0x180/0x1c0 <4>[ 119.736426] irq event stamp: 0 <4>[ 119.739751] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 119.746296] hardirqs last disabled at (0): [] copy_process+0x5f4/0x1df4 <4>[ 119.754755] softirqs last enabled at (0): [] copy_process+0x5f4/0x1df4 <4>[ 119.763210] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 119.769750] ---[ end trace 5e26b21ecf84291d ]--- <6>[ 119.774718] lkdtm: Zero detected: saturated # [ 119.499651] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 119.505657] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 119.512406] lkdtm: Good: zero detected # [ 119.516505] lkdtm: Correctly stayed at zero # [ 119.521276] lkdtm: attempting bad refcount_add() from zero # [ 119.527138] ------------[ cut here ]------------ # [ 119.532090] refcount_t: addition on 0; use-after-free. # [ 119.537578] WARNING: CPU: 1 PID: 2496 at lib/refcount.c:25 refcount_warn_saturate+0xc8/0x144 # [ 119.546295] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 119.558047] CPU: 1 PID: 2496 Comm: cat Tainted: G D W 5.10.224-cip52 #1 # [ 119.566067] Hardware name: ARM Juno development board (r0) (DT) # [ 119.572263] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 119.578544] pc : refcount_warn_saturate+0xc8/0x144 # [ 119.583607] lr : refcount_warn_saturate+0xc8/0x144 # [ 119.588667] sp : ffff800016473cd0 # [ 119.592249] x29: ffff800016473cd0 x28: ffff000800b7c980 # [ 119.597844] x27: 0000000000000000 x26: 0000000000000000 # [ 119.603438] x25: ffff8000114db320 x24: ffff800016473e20 # [ 119.609030] x23: 0000000000000012 x22: ffff0008068fb000 # [ 119.614623] x21: ffff8000119f1160 x20: 0000000000000034 # [ 119.620215] x19: ffff8000114db670 x18: 0000000000000006 # [ 119.625808] x17: 0000000000000002 x16: 0000000000000000 # [ 119.631400] x15: ffff8000164737e0 x14: ffff80009647399a # [ 119.636992] x13: ffff8000164739a2 x12: 0000000000000003 # [ 119.642584] x11: 0000000000000000 x10: ffff8000125fc128 # [ 119.648177] x9 : ffff80001012b978 x8 : 00000000ffffefff # [ 119.653769] x7 : ffff8000125fc128 x6 : ffff800012575000 # [ 119.659361] x5 : ffff800012575c88 x4 : ffff00097ef2ac68 # [ 119.664954] x3 : 0000000000000000 x2 : 0000000000000000 # [ 119.670545] x1 : 0000000000000000 x0 : ffff000800b7c980 # [ 119.676138] Call trace: # [ 119.678852] refcount_warn_saturate+0xc8/0x144 # [ 119.683570] __refcount_add.constprop.0+0x60/0x80 # [ 119.688549] lkdtm_REFCOUNT_ADD_ZERO+0xa0/0xd0 # [ 119.693264] lkdtm_do_action+0x24/0x40 # [ 119.697283] direct_entry+0xc8/0x130 # [ 119.701129] full_proxy_write+0x68/0xbc # [ 119.705236] vfs_write+0xec/0x22c # [ 119.708818] ksys_write+0x78/0x110 # [ 119.712488] __arm64_sys_write+0x24/0x30 # [ 119.716683] el0_svc_common.constprop.0+0x84/0x1e0 # [ 119.721746] do_el0_svc+0x2c/0xa4 # [ 119.725329] el0_svc+0x20/0x30 # [ 119.728653] el0_sync_handler+0xe8/0x114 # [ 119.732845] el0_sync+0x180/0x1c0 # [ 119.736426] irq event stamp: 0 # [ 119.739751] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 119.746296] hardirqs last disabled at (0): [] copy_process+0x5f4/0x1df4 # [ 119.754755] softirqs last enabled at (0): [] copy_process+0x5f4/0x1df4 # [ 119.763210] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 119.769750] ---[ end trace 5e26b21ecf84291d ]--- # [ 119.774718] 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>[ 120.270155] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED <6>[ 120.276689] lkdtm: attempting bad refcount_inc() from saturated <4>[ 120.283022] ------------[ cut here ]------------ <4>[ 120.287994] refcount_t: saturated; leaking memory. <4>[ 120.293359] WARNING: CPU: 5 PID: 2532 at lib/refcount.c:22 refcount_warn_saturate+0x74/0x144 <4>[ 120.302081] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 120.313867] CPU: 5 PID: 2532 Comm: cat Tainted: G D W 5.10.224-cip52 #1 <4>[ 120.321892] Hardware name: ARM Juno development board (r0) (DT) <4>[ 120.328092] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 120.334381] pc : refcount_warn_saturate+0x74/0x144 <4>[ 120.339450] lr : refcount_warn_saturate+0x74/0x144 <4>[ 120.344515] sp : ffff8000164ebcd0 <4>[ 120.348100] x29: ffff8000164ebcd0 x28: ffff00080080c980 <4>[ 120.353703] x27: 0000000000000000 x26: 0000000000000000 <4>[ 120.359305] x25: ffff8000114db320 x24: ffff8000164ebe20 <4>[ 120.364907] x23: 0000000000000017 x22: ffff000804ac1000 <4>[ 120.370509] x21: ffff8000119f1178 x20: 0000000000000035 <4>[ 120.376110] x19: ffff8000114db680 x18: 0000000000000006 <4>[ 120.381712] x17: 0000000000000100 x16: 0000000000000000 <4>[ 120.387313] x15: ffff8000164eb7e0 x14: ffff8000964eb99a <4>[ 120.392915] x13: ffff8000164eb9a2 x12: 0000000000000038 <4>[ 120.398517] x11: 0000000000000030 x10: ffff8000125fc128 <4>[ 120.404119] x9 : ffff80001012b978 x8 : 00000000ffffefff <4>[ 120.409721] x7 : ffff8000125fc128 x6 : ffff800012575000 <4>[ 120.415323] x5 : ffff800012575c88 x4 : ffff00097efb2c68 <4>[ 120.420924] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 120.426527] x1 : 0000000000000000 x0 : ffff00080080c980 <4>[ 120.432128] Call trace: <4>[ 120.434849] refcount_warn_saturate+0x74/0x144 <4>[ 120.439573] __refcount_add.constprop.0+0x74/0x80 <4>[ 120.444559] lkdtm_REFCOUNT_INC_SATURATED+0x44/0x74 <4>[ 120.449715] lkdtm_do_action+0x24/0x40 <4>[ 120.453740] direct_entry+0xc8/0x130 <4>[ 120.457591] full_proxy_write+0x68/0xbc <4>[ 120.461704] vfs_write+0xec/0x22c <4>[ 120.465293] ksys_write+0x78/0x110 <4>[ 120.468968] __arm64_sys_write+0x24/0x30 <4>[ 120.473170] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 120.478239] do_el0_svc+0x2c/0xa4 <4>[ 120.481829] el0_svc+0x20/0x30 <4>[ 120.485158] el0_sync_handler+0xe8/0x114 <4>[ 120.489356] el0_sync+0x180/0x1c0 <4>[ 120.492942] irq event stamp: 0 <4>[ 120.496273] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 120.502825] hardirqs last disabled at (0): [] copy_process+0x5f4/0x1df4 <4>[ 120.511290] softirqs last enabled at (0): [] copy_process+0x5f4/0x1df4 <4>[ 120.519752] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 120.526296] ---[ end trace 5e26b21ecf84291e ]--- <6>[ 120.531390] lkdtm: Saturation detected: still saturated # [ 120.270155] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 120.276689] lkdtm: attempting bad refcount_inc() from saturated # [ 120.283022] ------------[ cut here ]------------ # [ 120.287994] refcount_t: saturated; leaking memory. # [ 120.293359] WARNING: CPU: 5 PID: 2532 at lib/refcount.c:22 refcount_warn_saturate+0x74/0x144 # [ 120.302081] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 120.313867] CPU: 5 PID: 2532 Comm: cat Tainted: G D W 5.10.224-cip52 #1 # [ 120.321892] Hardware name: ARM Juno development board (r0) (DT) # [ 120.328092] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 120.334381] pc : refcount_warn_saturate+0x74/0x144 # [ 120.339450] lr : refcount_warn_saturate+0x74/0x144 # [ 120.344515] sp : ffff8000164ebcd0 # [ 120.348100] x29: ffff8000164ebcd0 x28: ffff00080080c980 # [ 120.353703] x27: 0000000000000000 x26: 0000000000000000 # [ 120.359305] x25: ffff8000114db320 x24: ffff8000164ebe20 # [ 120.364907] x23: 0000000000000017 x22: ffff000804ac1000 # [ 120.370509] x21: ffff8000119f1178 x20: 0000000000000035 # [ 120.376110] x19: ffff8000114db680 x18: 0000000000000006 # [ 120.381712] x17: 0000000000000100 x16: 0000000000000000 # [ 120.387313] x15: ffff8000164eb7e0 x14: ffff8000964eb99a # [ 120.392915] x13: ffff8000164eb9a2 x12: 0000000000000038 # [ 120.398517] x11: 0000000000000030 x10: ffff8000125fc128 # [ 120.404119] x9 : ffff80001012b978 x8 : 00000000ffffefff # [ 120.409721] x7 : ffff8000125fc128 x6 : ffff800012575000 # [ 120.415323] x5 : ffff800012575c88 x4 : ffff00097efb2c68 # [ 120.420924] x3 : 0000000000000000 x2 : 0000000000000000 # [ 120.426527] x1 : 0000000000000000 x0 : ffff00080080c980 # [ 120.432128] Call trace: # [ 120.434849] refcount_warn_saturate+0x74/0x144 # [ 120.439573] __refcount_add.constprop.0+0x74/0x80 # [ 120.444559] lkdtm_REFCOUNT_INC_SATURATED+0x44/0x74 # [ 120.449715] lkdtm_do_action+0x24/0x40 # [ 120.453740] direct_entry+0xc8/0x130 # [ 120.457591] full_proxy_write+0x68/0xbc # [ 120.461704] vfs_write+0xec/0x22c # [ 120.465293] ksys_write+0x78/0x110 # [ 120.468968] __arm64_sys_write+0x24/0x30 # [ 120.473170] el0_svc_common.constprop.0+0x84/0x1e0 # [ 120.478239] do_el0_svc+0x2c/0xa4 # [ 120.481829] el0_svc+0x20/0x30 # [ 120.485158] el0_sync_handler+0xe8/0x114 # [ 120.489356] el0_sync+0x180/0x1c0 # [ 120.492942] irq event stamp: 0 # [ 120.496273] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 120.502825] hardirqs last disabled at (0): [] copy_process+0x5f4/0x1df4 # [ 120.511290] softirqs last enabled at (0): [] copy_process+0x5f4/0x1df4 # [ 120.519752] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 120.526296] ---[ end trace 5e26b21ecf84291e ]--- # [ 120.531390] 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>[ 121.058544] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED <6>[ 121.064996] lkdtm: attempting bad refcount_dec() from saturated <4>[ 121.071248] ------------[ cut here ]------------ <4>[ 121.076188] refcount_t: decrement hit 0; leaking memory. <4>[ 121.081967] WARNING: CPU: 5 PID: 2568 at lib/refcount.c:31 refcount_warn_saturate+0x13c/0x144 <4>[ 121.090777] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 121.102563] CPU: 5 PID: 2568 Comm: cat Tainted: G D W 5.10.224-cip52 #1 <4>[ 121.110587] Hardware name: ARM Juno development board (r0) (DT) <4>[ 121.116787] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 121.123075] pc : refcount_warn_saturate+0x13c/0x144 <4>[ 121.128231] lr : refcount_warn_saturate+0x13c/0x144 <4>[ 121.133382] sp : ffff800016593cc0 <4>[ 121.136968] x29: ffff800016593cc0 x28: ffff00080897c980 <4>[ 121.142571] x27: 0000000000000000 x26: 0000000000000000 <4>[ 121.148173] x25: ffff8000114db320 x24: ffff800016593e20 <4>[ 121.153775] x23: 0000000000000017 x22: ffff00080421b000 <4>[ 121.159377] x21: ffff8000119f1190 x20: 0000000000000036 <4>[ 121.164979] x19: ffff800016593d04 x18: 0000000000000006 <4>[ 121.170580] x17: 0000000000000100 x16: 0000000000000000 <4>[ 121.176182] x15: ffff8000165937d0 x14: ffff80009659398a <4>[ 121.181785] x13: ffff800016593993 x12: 0000000000000038 <4>[ 121.187386] x11: 0000000000000030 x10: 0000000000001440 <4>[ 121.192988] x9 : ffff80001012b978 x8 : ffff00080897de20 <4>[ 121.198590] x7 : ffff000807c7d200 x6 : ffff800012575000 <4>[ 121.204192] x5 : ffff800012575c88 x4 : ffff00097efb2c68 <4>[ 121.209794] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 121.215395] x1 : 0000000000000000 x0 : ffff00080897c980 <4>[ 121.220996] Call trace: <4>[ 121.223716] refcount_warn_saturate+0x13c/0x144 <4>[ 121.228527] __refcount_dec.constprop.0+0x5c/0x6c <4>[ 121.233510] lkdtm_REFCOUNT_DEC_SATURATED+0x40/0x70 <4>[ 121.238669] lkdtm_do_action+0x24/0x40 <4>[ 121.242694] direct_entry+0xc8/0x130 <4>[ 121.246545] full_proxy_write+0x68/0xbc <4>[ 121.250658] vfs_write+0xec/0x22c <4>[ 121.254246] ksys_write+0x78/0x110 <4>[ 121.257922] __arm64_sys_write+0x24/0x30 <4>[ 121.262123] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 121.267193] do_el0_svc+0x2c/0xa4 <4>[ 121.270783] el0_svc+0x20/0x30 <4>[ 121.274111] el0_sync_handler+0xe8/0x114 <4>[ 121.278309] el0_sync+0x180/0x1c0 <4>[ 121.281895] irq event stamp: 0 <4>[ 121.285226] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 121.291778] hardirqs last disabled at (0): [] copy_process+0x5f4/0x1df4 <4>[ 121.300242] softirqs last enabled at (0): [] copy_process+0x5f4/0x1df4 <4>[ 121.308704] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 121.315249] ---[ end trace 5e26b21ecf84291f ]--- <6>[ 121.320301] lkdtm: Saturation detected: still saturated # [ 121.058544] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 121.064996] lkdtm: attempting bad refcount_dec() from saturated # [ 121.071248] ------------[ cut here ]------------ # [ 121.076188] refcount_t: decrement hit 0; leaking memory. # [ 121.081967] WARNING: CPU: 5 PID: 2568 at lib/refcount.c:31 refcount_warn_saturate+0x13c/0x144 # [ 121.090777] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 121.102563] CPU: 5 PID: 2568 Comm: cat Tainted: G D W 5.10.224-cip52 #1 # [ 121.110587] Hardware name: ARM Juno development board (r0) (DT) # [ 121.116787] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 121.123075] pc : refcount_warn_saturate+0x13c/0x144 # [ 121.128231] lr : refcount_warn_saturate+0x13c/0x144 # [ 121.133382] sp : ffff800016593cc0 # [ 121.136968] x29: ffff800016593cc0 x28: ffff00080897c980 # [ 121.142571] x27: 0000000000000000 x26: 0000000000000000 # [ 121.148173] x25: ffff8000114db320 x24: ffff800016593e20 # [ 121.153775] x23: 0000000000000017 x22: ffff00080421b000 # [ 121.159377] x21: ffff8000119f1190 x20: 0000000000000036 # [ 121.164979] x19: ffff800016593d04 x18: 0000000000000006 # [ 121.170580] x17: 0000000000000100 x16: 0000000000000000 # [ 121.176182] x15: ffff8000165937d0 x14: ffff80009659398a # [ 121.181785] x13: ffff800016593993 x12: 0000000000000038 # [ 121.187386] x11: 0000000000000030 x10: 0000000000001440 # [ 121.192988] x9 : ffff80001012b978 x8 : ffff00080897de20 # [ 121.198590] x7 : ffff000807c7d200 x6 : ffff800012575000 # [ 121.204192] x5 : ffff800012575c88 x4 : ffff00097efb2c68 # [ 121.209794] x3 : 0000000000000000 x2 : 0000000000000000 # [ 121.215395] x1 : 0000000000000000 x0 : ffff00080897c980 # [ 121.220996] Call trace: # [ 121.223716] refcount_warn_saturate+0x13c/0x144 # [ 121.228527] __refcount_dec.constprop.0+0x5c/0x6c # [ 121.233510] lkdtm_REFCOUNT_DEC_SATURATED+0x40/0x70 # [ 121.238669] lkdtm_do_action+0x24/0x40 # [ 121.242694] direct_entry+0xc8/0x130 # [ 121.246545] full_proxy_write+0x68/0xbc # [ 121.250658] vfs_write+0xec/0x22c # [ 121.254246] ksys_write+0x78/0x110 # [ 121.257922] __arm64_sys_write+0x24/0x30 # [ 121.262123] el0_svc_common.constprop.0+0x84/0x1e0 # [ 121.267193] do_el0_svc+0x2c/0xa4 # [ 121.270783] el0_svc+0x20/0x30 # [ 121.274111] el0_sync_handler+0xe8/0x114 # [ 121.278309] el0_sync+0x180/0x1c0 # [ 121.281895] irq event stamp: 0 # [ 121.285226] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 121.291778] hardirqs last disabled at (0): [] copy_process+0x5f4/0x1df4 # [ 121.300242] softirqs last enabled at (0): [] copy_process+0x5f4/0x1df4 # [ 121.308704] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 121.315249] ---[ end trace 5e26b21ecf84291f ]--- # [ 121.320301] 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>[ 121.875651] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED <6>[ 121.882080] lkdtm: attempting bad refcount_dec() from saturated <4>[ 121.888338] ------------[ cut here ]------------ <4>[ 121.893283] refcount_t: saturated; leaking memory. <4>[ 121.898478] WARNING: CPU: 5 PID: 2604 at lib/refcount.c:22 refcount_warn_saturate+0x74/0x144 <4>[ 121.907200] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 121.918986] CPU: 5 PID: 2604 Comm: cat Tainted: G D W 5.10.224-cip52 #1 <4>[ 121.927011] Hardware name: ARM Juno development board (r0) (DT) <4>[ 121.933212] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 121.939500] pc : refcount_warn_saturate+0x74/0x144 <4>[ 121.944568] lr : refcount_warn_saturate+0x74/0x144 <4>[ 121.949633] sp : ffff800016633cd0 <4>[ 121.953219] x29: ffff800016633cd0 x28: ffff000804a50000 <4>[ 121.958821] x27: 0000000000000000 x26: 0000000000000000 <4>[ 121.964424] x25: ffff8000114db320 x24: ffff800016633e20 <4>[ 121.970026] x23: 0000000000000017 x22: ffff000807347000 <4>[ 121.975628] x21: ffff8000119f11a8 x20: 0000000000000037 <4>[ 121.981229] x19: ffff8000114db6a0 x18: 0000000000000006 <4>[ 121.986831] x17: 0000000000000100 x16: 0000000000000000 <4>[ 121.992432] x15: ffff8000166337e0 x14: ffff80009663399a <4>[ 121.998034] x13: ffff8000166339a2 x12: 0000000000000038 <4>[ 122.003636] x11: 0000000000000030 x10: ffff8000125fc128 <4>[ 122.009238] x9 : ffff80001012b978 x8 : 00000000ffffefff <4>[ 122.014839] x7 : ffff8000125fc128 x6 : ffff800012575000 <4>[ 122.020441] x5 : ffff800012575c88 x4 : ffff00097efb2c68 <4>[ 122.026043] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 122.031644] x1 : 0000000000000000 x0 : ffff000804a50000 <4>[ 122.037245] Call trace: <4>[ 122.039965] refcount_warn_saturate+0x74/0x144 <4>[ 122.044690] __refcount_add.constprop.0+0x74/0x80 <4>[ 122.049675] lkdtm_REFCOUNT_ADD_SATURATED+0x44/0x74 <4>[ 122.054831] lkdtm_do_action+0x24/0x40 <4>[ 122.058855] direct_entry+0xc8/0x130 <4>[ 122.062707] full_proxy_write+0x68/0xbc <4>[ 122.066819] vfs_write+0xec/0x22c <4>[ 122.070408] ksys_write+0x78/0x110 <4>[ 122.074083] __arm64_sys_write+0x24/0x30 <4>[ 122.078285] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 122.083354] do_el0_svc+0x2c/0xa4 <4>[ 122.086943] el0_svc+0x20/0x30 <4>[ 122.090272] el0_sync_handler+0xe8/0x114 <4>[ 122.094470] el0_sync+0x180/0x1c0 <4>[ 122.098056] irq event stamp: 0 <4>[ 122.101387] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 122.107939] hardirqs last disabled at (0): [] copy_process+0x5f4/0x1df4 <4>[ 122.116404] softirqs last enabled at (0): [] copy_process+0x5f4/0x1df4 <4>[ 122.124865] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 122.131410] ---[ end trace 5e26b21ecf842920 ]--- <6>[ 122.136598] lkdtm: Saturation detected: still saturated # [ 121.875651] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 121.882080] lkdtm: attempting bad refcount_dec() from saturated # [ 121.888338] ------------[ cut here ]------------ # [ 121.893283] refcount_t: saturated; leaking memory. # [ 121.898478] WARNING: CPU: 5 PID: 2604 at lib/refcount.c:22 refcount_warn_saturate+0x74/0x144 # [ 121.907200] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 121.918986] CPU: 5 PID: 2604 Comm: cat Tainted: G D W 5.10.224-cip52 #1 # [ 121.927011] Hardware name: ARM Juno development board (r0) (DT) # [ 121.933212] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 121.939500] pc : refcount_warn_saturate+0x74/0x144 # [ 121.944568] lr : refcount_warn_saturate+0x74/0x144 # [ 121.949633] sp : ffff800016633cd0 # [ 121.953219] x29: ffff800016633cd0 x28: ffff000804a50000 # [ 121.958821] x27: 0000000000000000 x26: 0000000000000000 # [ 121.964424] x25: ffff8000114db320 x24: ffff800016633e20 # [ 121.970026] x23: 0000000000000017 x22: ffff000807347000 # [ 121.975628] x21: ffff8000119f11a8 x20: 0000000000000037 # [ 121.981229] x19: ffff8000114db6a0 x18: 0000000000000006 # [ 121.986831] x17: 0000000000000100 x16: 0000000000000000 # [ 121.992432] x15: ffff8000166337e0 x14: ffff80009663399a # [ 121.998034] x13: ffff8000166339a2 x12: 0000000000000038 # [ 122.003636] x11: 0000000000000030 x10: ffff8000125fc128 # [ 122.009238] x9 : ffff80001012b978 x8 : 00000000ffffefff # [ 122.014839] x7 : ffff8000125fc128 x6 : ffff800012575000 # [ 122.020441] x5 : ffff800012575c88 x4 : ffff00097efb2c68 # [ 122.026043] x3 : 0000000000000000 x2 : 0000000000000000 # [ 122.031644] x1 : 0000000000000000 x0 : ffff000804a50000 # [ 122.037245] Call trace: # [ 122.039965] refcount_warn_saturate+0x74/0x144 # [ 122.044690] __refcount_add.constprop.0+0x74/0x80 # [ 122.049675] lkdtm_REFCOUNT_ADD_SATURATED+0x44/0x74 # [ 122.054831] lkdtm_do_action+0x24/0x40 # [ 122.058855] direct_entry+0xc8/0x130 # [ 122.062707] full_proxy_write+0x68/0xbc # [ 122.066819] vfs_write+0xec/0x22c # [ 122.070408] ksys_write+0x78/0x110 # [ 122.074083] __arm64_sys_write+0x24/0x30 # [ 122.078285] el0_svc_common.constprop.0+0x84/0x1e0 # [ 122.083354] do_el0_svc+0x2c/0xa4 # [ 122.086943] el0_svc+0x20/0x30 # [ 122.090272] el0_sync_handler+0xe8/0x114 # [ 122.094470] el0_sync+0x180/0x1c0 # [ 122.098056] irq event stamp: 0 # [ 122.101387] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 122.107939] hardirqs last disabled at (0): [] copy_process+0x5f4/0x1df4 # [ 122.116404] softirqs last enabled at (0): [] copy_process+0x5f4/0x1df4 # [ 122.124865] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 122.131410] ---[ end trace 5e26b21ecf842920 ]--- # [ 122.136598] 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>[ 122.626920] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED <6>[ 122.634141] lkdtm: attempting bad refcount_inc_not_zero() from saturated <4>[ 122.641187] ------------[ cut here ]------------ <4>[ 122.646135] refcount_t: saturated; leaking memory. <4>[ 122.651487] WARNING: CPU: 1 PID: 2637 at lib/refcount.c:19 refcount_warn_saturate+0x9c/0x144 <4>[ 122.660208] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 122.671960] CPU: 1 PID: 2637 Comm: cat Tainted: G D W 5.10.224-cip52 #1 <4>[ 122.679979] Hardware name: ARM Juno development board (r0) (DT) <4>[ 122.686174] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 122.692455] pc : refcount_warn_saturate+0x9c/0x144 <4>[ 122.697517] lr : refcount_warn_saturate+0x9c/0x144 <4>[ 122.702577] sp : ffff8000166bbcb0 <4>[ 122.706159] x29: ffff8000166bbcb0 x28: ffff00080080e200 <4>[ 122.711753] x27: 0000000000000000 x26: 0000000000000000 <4>[ 122.717346] x25: ffff8000114db320 x24: ffff8000166bbe20 <4>[ 122.722939] x23: 0000000000000020 x22: 00000000c0000001 <4>[ 122.728531] x21: 00000000c0000000 x20: 00000000c0000000 <4>[ 122.734124] x19: ffff8000166bbd04 x18: 0000000000000000 <4>[ 122.739716] x17: 0000000000000000 x16: 0000000000000000 <4>[ 122.745308] x15: 0000000000000000 x14: ffff00080029e200 <4>[ 122.750900] x13: ffff80096d17d000 x12: 0000000030d4d91d <4>[ 122.756492] x11: 0000000000000000 x10: 0000000000001440 <4>[ 122.762084] x9 : ffff80001012b978 x8 : ffff00080080f6a0 <4>[ 122.767676] x7 : 00000034b5503510 x6 : ffff800012575000 <4>[ 122.773269] x5 : ffff800012575c88 x4 : ffff00097ef2ac68 <4>[ 122.778861] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 122.784453] x1 : 0000000000000000 x0 : ffff00080080e200 <4>[ 122.790045] Call trace: <4>[ 122.792759] refcount_warn_saturate+0x9c/0x144 <4>[ 122.797478] __refcount_add_not_zero.constprop.0+0xa0/0xc0 <4>[ 122.803237] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x44/0x88 <4>[ 122.809172] lkdtm_do_action+0x24/0x40 <4>[ 122.813191] direct_entry+0xc8/0x130 <4>[ 122.817036] full_proxy_write+0x68/0xbc <4>[ 122.821142] vfs_write+0xec/0x22c <4>[ 122.824725] ksys_write+0x78/0x110 <4>[ 122.828395] __arm64_sys_write+0x24/0x30 <4>[ 122.832590] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 122.837653] do_el0_svc+0x2c/0xa4 <4>[ 122.841236] el0_svc+0x20/0x30 <4>[ 122.844559] el0_sync_handler+0xe8/0x114 <4>[ 122.848751] el0_sync+0x180/0x1c0 <4>[ 122.852332] irq event stamp: 0 <4>[ 122.855656] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 122.862202] hardirqs last disabled at (0): [] copy_process+0x5f4/0x1df4 <4>[ 122.870660] softirqs last enabled at (0): [] copy_process+0x5f4/0x1df4 <4>[ 122.879116] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 122.885655] ---[ end trace 5e26b21ecf842921 ]--- <6>[ 122.890625] lkdtm: Saturation detected: still saturated # [ 122.626920] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 122.634141] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 122.641187] ------------[ cut here ]------------ # [ 122.646135] refcount_t: saturated; leaking memory. # [ 122.651487] WARNING: CPU: 1 PID: 2637 at lib/refcount.c:19 refcount_warn_saturate+0x9c/0x144 # [ 122.660208] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 122.671960] CPU: 1 PID: 2637 Comm: cat Tainted: G D W 5.10.224-cip52 #1 # [ 122.679979] Hardware name: ARM Juno development board (r0) (DT) # [ 122.686174] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 122.692455] pc : refcount_warn_saturate+0x9c/0x144 # [ 122.697517] lr : refcount_warn_saturate+0x9c/0x144 # [ 122.702577] sp : ffff8000166bbcb0 # [ 122.706159] x29: ffff8000166bbcb0 x28: ffff00080080e200 # [ 122.711753] x27: 0000000000000000 x26: 0000000000000000 # [ 122.717346] x25: ffff8000114db320 x24: ffff8000166bbe20 # [ 122.722939] x23: 0000000000000020 x22: 00000000c0000001 # [ 122.728531] x21: 00000000c0000000 x20: 00000000c0000000 # [ 122.734124] x19: ffff8000166bbd04 x18: 0000000000000000 # [ 122.739716] x17: 0000000000000000 x16: 0000000000000000 # [ 122.745308] x15: 0000000000000000 x14: ffff00080029e200 # [ 122.750900] x13: ffff80096d17d000 x12: 0000000030d4d91d # [ 122.756492] x11: 0000000000000000 x10: 0000000000001440 # [ 122.762084] x9 : ffff80001012b978 x8 : ffff00080080f6a0 # [ 122.767676] x7 : 00000034b5503510 x6 : ffff800012575000 # [ 122.773269] x5 : ffff800012575c88 x4 : ffff00097ef2ac68 # [ 122.778861] x3 : 0000000000000000 x2 : 0000000000000000 # [ 122.784453] x1 : 0000000000000000 x0 : ffff00080080e200 # [ 122.790045] Call trace: # [ 122.792759] refcount_warn_saturate+0x9c/0x144 # [ 122.797478] __refcount_add_not_zero.constprop.0+0xa0/0xc0 # [ 122.803237] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x44/0x88 # [ 122.809172] lkdtm_do_action+0x24/0x40 # [ 122.813191] direct_entry+0xc8/0x130 # [ 122.817036] full_proxy_write+0x68/0xbc # [ 122.821142] vfs_write+0xec/0x22c # [ 122.824725] ksys_write+0x78/0x110 # [ 122.828395] __arm64_sys_write+0x24/0x30 # [ 122.832590] el0_svc_common.constprop.0+0x84/0x1e0 # [ 122.837653] do_el0_svc+0x2c/0xa4 # [ 122.841236] el0_svc+0x20/0x30 # [ 122.844559] el0_sync_handler+0xe8/0x114 # [ 122.848751] el0_sync+0x180/0x1c0 # [ 122.852332] irq event stamp: 0 # [ 122.855656] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 122.862202] hardirqs last disabled at (0): [] copy_process+0x5f4/0x1df4 # [ 122.870660] softirqs last enabled at (0): [] copy_process+0x5f4/0x1df4 # [ 122.879116] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 122.885655] ---[ end trace 5e26b21ecf842921 ]--- # [ 122.890625] 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>[ 123.383763] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED <6>[ 123.390986] lkdtm: attempting bad refcount_add_not_zero() from saturated <4>[ 123.398028] ------------[ cut here ]------------ <4>[ 123.402972] refcount_t: saturated; leaking memory. <4>[ 123.408233] WARNING: CPU: 5 PID: 2670 at lib/refcount.c:19 refcount_warn_saturate+0x9c/0x144 <4>[ 123.416957] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 123.428743] CPU: 5 PID: 2670 Comm: cat Tainted: G D W 5.10.224-cip52 #1 <4>[ 123.436768] Hardware name: ARM Juno development board (r0) (DT) <4>[ 123.442969] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 123.449258] pc : refcount_warn_saturate+0x9c/0x144 <4>[ 123.454327] lr : refcount_warn_saturate+0x9c/0x144 <4>[ 123.459392] sp : ffff80001675bcb0 <4>[ 123.462977] x29: ffff80001675bcb0 x28: ffff000806ca1880 <4>[ 123.468579] x27: 0000000000000000 x26: 0000000000000000 <4>[ 123.474181] x25: ffff8000114db320 x24: ffff80001675be20 <4>[ 123.479784] x23: 0000000000000020 x22: 00000000c0000007 <4>[ 123.485385] x21: 00000000c0000000 x20: 00000000c0000000 <4>[ 123.490988] x19: ffff80001675bd04 x18: 0000000000000006 <4>[ 123.496589] x17: 0000000000000100 x16: 0000000000000000 <4>[ 123.502191] x15: ffff80001675b7c0 x14: ffff80009675b97a <4>[ 123.507794] x13: ffff80001675b982 x12: 0000000000000000 <4>[ 123.513395] x11: 0000000000000038 x10: 0000000000001440 <4>[ 123.518997] x9 : ffff80001012b978 x8 : ffff000806ca2d20 <4>[ 123.524599] x7 : ffff000807c7d200 x6 : ffff800012575000 <4>[ 123.530200] x5 : ffff800012575c88 x4 : ffff00097efb2c68 <4>[ 123.535802] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 123.541403] x1 : 0000000000000000 x0 : ffff000806ca1880 <4>[ 123.547005] Call trace: <4>[ 123.549725] refcount_warn_saturate+0x9c/0x144 <4>[ 123.554450] __refcount_add_not_zero.constprop.0+0xa0/0xc0 <4>[ 123.560216] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x44/0x88 <4>[ 123.566158] lkdtm_do_action+0x24/0x40 <4>[ 123.570183] direct_entry+0xc8/0x130 <4>[ 123.574034] full_proxy_write+0x68/0xbc <4>[ 123.578146] vfs_write+0xec/0x22c <4>[ 123.581735] ksys_write+0x78/0x110 <4>[ 123.585411] __arm64_sys_write+0x24/0x30 <4>[ 123.589613] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 123.594682] do_el0_svc+0x2c/0xa4 <4>[ 123.598271] el0_svc+0x20/0x30 <4>[ 123.601601] el0_sync_handler+0xe8/0x114 <4>[ 123.605799] el0_sync+0x180/0x1c0 <4>[ 123.609386] irq event stamp: 0 <4>[ 123.612717] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 123.619268] hardirqs last disabled at (0): [] copy_process+0x5f4/0x1df4 <4>[ 123.627734] softirqs last enabled at (0): [] copy_process+0x5f4/0x1df4 <4>[ 123.636195] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 123.642739] ---[ end trace 5e26b21ecf842922 ]--- <6>[ 123.647809] lkdtm: Saturation detected: still saturated # [ 123.383763] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 123.390986] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 123.398028] ------------[ cut here ]------------ # [ 123.402972] refcount_t: saturated; leaking memory. # [ 123.408233] WARNING: CPU: 5 PID: 2670 at lib/refcount.c:19 refcount_warn_saturate+0x9c/0x144 # [ 123.416957] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 123.428743] CPU: 5 PID: 2670 Comm: cat Tainted: G D W 5.10.224-cip52 #1 # [ 123.436768] Hardware name: ARM Juno development board (r0) (DT) # [ 123.442969] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 123.449258] pc : refcount_warn_saturate+0x9c/0x144 # [ 123.454327] lr : refcount_warn_saturate+0x9c/0x144 # [ 123.459392] sp : ffff80001675bcb0 # [ 123.462977] x29: ffff80001675bcb0 x28: ffff000806ca1880 # [ 123.468579] x27: 0000000000000000 x26: 0000000000000000 # [ 123.474181] x25: ffff8000114db320 x24: ffff80001675be20 # [ 123.479784] x23: 0000000000000020 x22: 00000000c0000007 # [ 123.485385] x21: 00000000c0000000 x20: 00000000c0000000 # [ 123.490988] x19: ffff80001675bd04 x18: 0000000000000006 # [ 123.496589] x17: 0000000000000100 x16: 0000000000000000 # [ 123.502191] x15: ffff80001675b7c0 x14: ffff80009675b97a # [ 123.507794] x13: ffff80001675b982 x12: 0000000000000000 # [ 123.513395] x11: 0000000000000038 x10: 0000000000001440 # [ 123.518997] x9 : ffff80001012b978 x8 : ffff000806ca2d20 # [ 123.524599] x7 : ffff000807c7d200 x6 : ffff800012575000 # [ 123.530200] x5 : ffff800012575c88 x4 : ffff00097efb2c68 # [ 123.535802] x3 : 0000000000000000 x2 : 0000000000000000 # [ 123.541403] x1 : 0000000000000000 x0 : ffff000806ca1880 # [ 123.547005] Call trace: # [ 123.549725] refcount_warn_saturate+0x9c/0x144 # [ 123.554450] __refcount_add_not_zero.constprop.0+0xa0/0xc0 # [ 123.560216] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x44/0x88 # [ 123.566158] lkdtm_do_action+0x24/0x40 # [ 123.570183] direct_entry+0xc8/0x130 # [ 123.574034] full_proxy_write+0x68/0xbc # [ 123.578146] vfs_write+0xec/0x22c # [ 123.581735] ksys_write+0x78/0x110 # [ 123.585411] __arm64_sys_write+0x24/0x30 # [ 123.589613] el0_svc_common.constprop.0+0x84/0x1e0 # [ 123.594682] do_el0_svc+0x2c/0xa4 # [ 123.598271] el0_svc+0x20/0x30 # [ 123.601601] el0_sync_handler+0xe8/0x114 # [ 123.605799] el0_sync+0x180/0x1c0 # [ 123.609386] irq event stamp: 0 # [ 123.612717] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 123.619268] hardirqs last disabled at (0): [] copy_process+0x5f4/0x1df4 # [ 123.627734] softirqs last enabled at (0): [] copy_process+0x5f4/0x1df4 # [ 123.636195] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 123.642739] ---[ end trace 5e26b21ecf842922 ]--- # [ 123.647809] 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>[ 124.193136] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED <6>[ 124.200370] lkdtm: attempting bad refcount_dec_and_test() from saturated <4>[ 124.207417] ------------[ cut here ]------------ <4>[ 124.212361] refcount_t: underflow; use-after-free. <4>[ 124.217620] WARNING: CPU: 5 PID: 2706 at lib/refcount.c:28 refcount_warn_saturate+0xf4/0x144 <4>[ 124.226343] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 124.238129] CPU: 5 PID: 2706 Comm: cat Tainted: G D W 5.10.224-cip52 #1 <4>[ 124.246153] Hardware name: ARM Juno development board (r0) (DT) <4>[ 124.252354] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 124.258645] pc : refcount_warn_saturate+0xf4/0x144 <4>[ 124.263714] lr : refcount_warn_saturate+0xf4/0x144 <4>[ 124.268779] sp : ffff8000167f3cd0 <4>[ 124.272365] x29: ffff8000167f3cd0 x28: ffff000802a8e200 <4>[ 124.277968] x27: 0000000000000000 x26: 0000000000000000 <4>[ 124.283570] x25: ffff8000114db320 x24: ffff8000167f3e20 <4>[ 124.289172] x23: 0000000000000020 x22: ffff000807cae000 <4>[ 124.294775] x21: ffff8000119f1200 x20: 000000000000003a <4>[ 124.300377] x19: ffff8000114db6d0 x18: 0000000000000006 <4>[ 124.305979] x17: 0000000000000100 x16: 0000000000000000 <4>[ 124.311581] x15: ffff8000167f37e0 x14: ffff8000967f399a <4>[ 124.317183] x13: ffff8000167f39a2 x12: 0000000000000000 <4>[ 124.322785] x11: 0000000000000038 x10: 0000000000001440 <4>[ 124.328387] x9 : ffff80001012b978 x8 : ffff000802a8f6a0 <4>[ 124.333989] x7 : ffff000807c7d200 x6 : ffff800012575000 <4>[ 124.339591] x5 : ffff800012575c88 x4 : ffff00097efb2c68 <4>[ 124.345193] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 124.350795] x1 : 0000000000000000 x0 : ffff000802a8e200 <4>[ 124.356397] Call trace: <4>[ 124.359117] refcount_warn_saturate+0xf4/0x144 <4>[ 124.363841] __refcount_sub_and_test.constprop.0+0x70/0x80 <4>[ 124.369609] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x44/0x88 <4>[ 124.375549] lkdtm_do_action+0x24/0x40 <4>[ 124.379574] direct_entry+0xc8/0x130 <4>[ 124.383425] full_proxy_write+0x68/0xbc <4>[ 124.387539] vfs_write+0xec/0x22c <4>[ 124.391127] ksys_write+0x78/0x110 <4>[ 124.394803] __arm64_sys_write+0x24/0x30 <4>[ 124.399005] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 124.404074] do_el0_svc+0x2c/0xa4 <4>[ 124.407663] el0_svc+0x20/0x30 <4>[ 124.410992] el0_sync_handler+0xe8/0x114 <4>[ 124.415190] el0_sync+0x180/0x1c0 <4>[ 124.418777] irq event stamp: 0 <4>[ 124.422108] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 124.428659] hardirqs last disabled at (0): [] copy_process+0x5f4/0x1df4 <4>[ 124.437124] softirqs last enabled at (0): [] copy_process+0x5f4/0x1df4 <4>[ 124.445586] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 124.452131] ---[ end trace 5e26b21ecf842923 ]--- <6>[ 124.457213] lkdtm: Saturation detected: still saturated # [ 124.193136] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 124.200370] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 124.207417] ------------[ cut here ]------------ # [ 124.212361] refcount_t: underflow; use-after-free. # [ 124.217620] WARNING: CPU: 5 PID: 2706 at lib/refcount.c:28 refcount_warn_saturate+0xf4/0x144 # [ 124.226343] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 124.238129] CPU: 5 PID: 2706 Comm: cat Tainted: G D W 5.10.224-cip52 #1 # [ 124.246153] Hardware name: ARM Juno development board (r0) (DT) # [ 124.252354] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 124.258645] pc : refcount_warn_saturate+0xf4/0x144 # [ 124.263714] lr : refcount_warn_saturate+0xf4/0x144 # [ 124.268779] sp : ffff8000167f3cd0 # [ 124.272365] x29: ffff8000167f3cd0 x28: ffff000802a8e200 # [ 124.277968] x27: 0000000000000000 x26: 0000000000000000 # [ 124.283570] x25: ffff8000114db320 x24: ffff8000167f3e20 # [ 124.289172] x23: 0000000000000020 x22: ffff000807cae000 # [ 124.294775] x21: ffff8000119f1200 x20: 000000000000003a # [ 124.300377] x19: ffff8000114db6d0 x18: 0000000000000006 # [ 124.305979] x17: 0000000000000100 x16: 0000000000000000 # [ 124.311581] x15: ffff8000167f37e0 x14: ffff8000967f399a # [ 124.317183] x13: ffff8000167f39a2 x12: 0000000000000000 # [ 124.322785] x11: 0000000000000038 x10: 0000000000001440 # [ 124.328387] x9 : ffff80001012b978 x8 : ffff000802a8f6a0 # [ 124.333989] x7 : ffff000807c7d200 x6 : ffff800012575000 # [ 124.339591] x5 : ffff800012575c88 x4 : ffff00097efb2c68 # [ 124.345193] x3 : 0000000000000000 x2 : 0000000000000000 # [ 124.350795] x1 : 0000000000000000 x0 : ffff000802a8e200 # [ 124.356397] Call trace: # [ 124.359117] refcount_warn_saturate+0xf4/0x144 # [ 124.363841] __refcount_sub_and_test.constprop.0+0x70/0x80 # [ 124.369609] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x44/0x88 # [ 124.375549] lkdtm_do_action+0x24/0x40 # [ 124.379574] direct_entry+0xc8/0x130 # [ 124.383425] full_proxy_write+0x68/0xbc # [ 124.387539] vfs_write+0xec/0x22c # [ 124.391127] ksys_write+0x78/0x110 # [ 124.394803] __arm64_sys_write+0x24/0x30 # [ 124.399005] el0_svc_common.constprop.0+0x84/0x1e0 # [ 124.404074] do_el0_svc+0x2c/0xa4 # [ 124.407663] el0_svc+0x20/0x30 # [ 124.410992] el0_sync_handler+0xe8/0x114 # [ 124.415190] el0_sync+0x180/0x1c0 # [ 124.418777] irq event stamp: 0 # [ 124.422108] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 124.428659] hardirqs last disabled at (0): [] copy_process+0x5f4/0x1df4 # [ 124.437124] softirqs last enabled at (0): [] copy_process+0x5f4/0x1df4 # [ 124.445586] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 124.452131] ---[ end trace 5e26b21ecf842923 ]--- # [ 124.457213] 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>[ 124.981751] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED <6>[ 124.989006] lkdtm: attempting bad refcount_sub_and_test() from saturated <4>[ 124.996110] ------------[ cut here ]------------ <4>[ 125.001084] refcount_t: underflow; use-after-free. <4>[ 125.006394] WARNING: CPU: 3 PID: 2742 at lib/refcount.c:28 refcount_warn_saturate+0xf4/0x144 <4>[ 125.015117] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 125.026903] CPU: 3 PID: 2742 Comm: cat Tainted: G D W 5.10.224-cip52 #1 <4>[ 125.034927] Hardware name: ARM Juno development board (r0) (DT) <4>[ 125.041128] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 125.047417] pc : refcount_warn_saturate+0xf4/0x144 <4>[ 125.052485] lr : refcount_warn_saturate+0xf4/0x144 <4>[ 125.057550] sp : ffff8000168b3cd0 <4>[ 125.061136] x29: ffff8000168b3cd0 x28: ffff000804286200 <4>[ 125.066739] x27: 0000000000000000 x26: 0000000000000000 <4>[ 125.072341] x25: ffff8000114db320 x24: ffff8000168b3e20 <4>[ 125.077942] x23: 0000000000000020 x22: ffff0008073ff000 <4>[ 125.083544] x21: ffff8000119f1220 x20: 000000000000003b <4>[ 125.089146] x19: ffff8000114db6e0 x18: 0000000000000006 <4>[ 125.094748] x17: 0000000000000100 x16: 0000000000000000 <4>[ 125.100350] x15: ffff8000168b37e0 x14: ffff8000968b399a <4>[ 125.105952] x13: ffff8000168b39a4 x12: 0000000000000000 <4>[ 125.111554] x11: 0000000000000038 x10: ffff8000125fc128 <4>[ 125.117156] x9 : ffff80001012b978 x8 : 00000000ffffefff <4>[ 125.122757] x7 : ffff8000125fc128 x6 : ffff800012575000 <4>[ 125.128359] x5 : ffff800012575c88 x4 : ffff00097ef6ec68 <4>[ 125.133961] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 125.139563] x1 : 0000000000000000 x0 : ffff000804286200 <4>[ 125.145164] Call trace: <4>[ 125.147884] refcount_warn_saturate+0xf4/0x144 <4>[ 125.152609] __refcount_sub_and_test.constprop.0+0x70/0x80 <4>[ 125.158378] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x44/0x88 <4>[ 125.164317] lkdtm_do_action+0x24/0x40 <4>[ 125.168342] direct_entry+0xc8/0x130 <4>[ 125.172193] full_proxy_write+0x68/0xbc <4>[ 125.176305] vfs_write+0xec/0x22c <4>[ 125.179894] ksys_write+0x78/0x110 <4>[ 125.183570] __arm64_sys_write+0x24/0x30 <4>[ 125.187771] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 125.192841] do_el0_svc+0x2c/0xa4 <4>[ 125.196430] el0_svc+0x20/0x30 <4>[ 125.199759] el0_sync_handler+0xe8/0x114 <4>[ 125.203957] el0_sync+0x180/0x1c0 <4>[ 125.207543] irq event stamp: 0 <4>[ 125.210874] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 125.217426] hardirqs last disabled at (0): [] copy_process+0x5f4/0x1df4 <4>[ 125.225890] softirqs last enabled at (0): [] copy_process+0x5f4/0x1df4 <4>[ 125.234352] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 125.240897] ---[ end trace 5e26b21ecf842924 ]--- <6>[ 125.246096] lkdtm: Saturation detected: still saturated # [ 124.981751] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 124.989006] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 124.996110] ------------[ cut here ]------------ # [ 125.001084] refcount_t: underflow; use-after-free. # [ 125.006394] WARNING: CPU: 3 PID: 2742 at lib/refcount.c:28 refcount_warn_saturate+0xf4/0x144 # [ 125.015117] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 125.026903] CPU: 3 PID: 2742 Comm: cat Tainted: G D W 5.10.224-cip52 #1 # [ 125.034927] Hardware name: ARM Juno development board (r0) (DT) # [ 125.041128] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 125.047417] pc : refcount_warn_saturate+0xf4/0x144 # [ 125.052485] lr : refcount_warn_saturate+0xf4/0x144 # [ 125.057550] sp : ffff8000168b3cd0 # [ 125.061136] x29: ffff8000168b3cd0 x28: ffff000804286200 # [ 125.066739] x27: 0000000000000000 x26: 0000000000000000 # [ 125.072341] x25: ffff8000114db320 x24: ffff8000168b3e20 # [ 125.077942] x23: 0000000000000020 x22: ffff0008073ff000 # [ 125.083544] x21: ffff8000119f1220 x20: 000000000000003b # [ 125.089146] x19: ffff8000114db6e0 x18: 0000000000000006 # [ 125.094748] x17: 0000000000000100 x16: 0000000000000000 # [ 125.100350] x15: ffff8000168b37e0 x14: ffff8000968b399a # [ 125.105952] x13: ffff8000168b39a4 x12: 0000000000000000 # [ 125.111554] x11: 0000000000000038 x10: ffff8000125fc128 # [ 125.117156] x9 : ffff80001012b978 x8 : 00000000ffffefff # [ 125.122757] x7 : ffff8000125fc128 x6 : ffff800012575000 # [ 125.128359] x5 : ffff800012575c88 x4 : ffff00097ef6ec68 # [ 125.133961] x3 : 0000000000000000 x2 : 0000000000000000 # [ 125.139563] x1 : 0000000000000000 x0 : ffff000804286200 # [ 125.145164] Call trace: # [ 125.147884] refcount_warn_saturate+0xf4/0x144 # [ 125.152609] __refcount_sub_and_test.constprop.0+0x70/0x80 # [ 125.158378] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x44/0x88 # [ 125.164317] lkdtm_do_action+0x24/0x40 # [ 125.168342] direct_entry+0xc8/0x130 # [ 125.172193] full_proxy_write+0x68/0xbc # [ 125.176305] vfs_write+0xec/0x22c # [ 125.179894] ksys_write+0x78/0x110 # [ 125.183570] __arm64_sys_write+0x24/0x30 # [ 125.187771] el0_svc_common.constprop.0+0x84/0x1e0 # [ 125.192841] do_el0_svc+0x2c/0xa4 # [ 125.196430] el0_svc+0x20/0x30 # [ 125.199759] el0_sync_handler+0xe8/0x114 # [ 125.203957] el0_sync+0x180/0x1c0 # [ 125.207543] irq event stamp: 0 # [ 125.210874] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 125.217426] hardirqs last disabled at (0): [] copy_process+0x5f4/0x1df4 # [ 125.225890] softirqs last enabled at (0): [] copy_process+0x5f4/0x1df4 # [ 125.234352] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 125.240897] ---[ end trace 5e26b21ecf842924 ]--- # [ 125.246096] 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>[ 126.201247] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO <6>[ 126.207636] lkdtm: attempting good copy_to_user of correct size <6>[ 126.213947] lkdtm: attempting bad copy_to_user of too large size # [ 126.201247] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 126.207636] lkdtm: attempting good copy_to_user of correct size # [ 126.213947] 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>[ 126.720309] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM <6>[ 126.726865] lkdtm: attempting good copy_from_user of correct size <6>[ 126.733377] lkdtm: attempting bad copy_from_user of too large size # [ 126.720309] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 126.726865] lkdtm: attempting good copy_from_user of correct size # [ 126.733377] 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>[ 127.249320] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO <6>[ 127.256177] lkdtm: attempting good copy_to_user inside whitelist <6>[ 127.262612] lkdtm: attempting bad copy_to_user outside whitelist # [ 127.249320] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 127.256177] lkdtm: attempting good copy_to_user inside whitelist # [ 127.262612] 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>[ 127.767021] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM <6>[ 127.774002] lkdtm: attempting good copy_from_user inside whitelist <6>[ 127.780600] lkdtm: attempting bad copy_from_user outside whitelist # [ 127.767021] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 127.774002] lkdtm: attempting good copy_from_user inside whitelist # [ 127.780600] 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>[ 128.290400] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO <6>[ 128.296941] lkdtm: good_stack: ffff800016d0bcd8-ffff800016d0bcf8 <6>[ 128.303348] lkdtm: bad_stack : ffff800016d0bc28-ffff800016d0bc48 <6>[ 128.309734] lkdtm: attempting good copy_to_user of local stack <6>[ 128.316084] lkdtm: attempting bad copy_to_user of distant stack # [ 128.290400] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 128.296941] lkdtm: good_stack: ffff800016d0bcd8-ffff800016d0bcf8 # [ 128.303348] lkdtm: bad_stack : ffff800016d0bc28-ffff800016d0bc48 # [ 128.309734] lkdtm: attempting good copy_to_user of local stack # [ 128.316084] 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>[ 128.821896] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM <6>[ 128.828719] lkdtm: good_stack: ffff800016dc3cd8-ffff800016dc3cf8 <6>[ 128.835137] lkdtm: bad_stack : ffff800016dc3c28-ffff800016dc3c48 <6>[ 128.841601] lkdtm: attempting good copy_from_user of local stack <6>[ 128.847962] lkdtm: attempting bad copy_from_user of distant stack # [ 128.821896] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 128.828719] lkdtm: good_stack: ffff800016dc3cd8-ffff800016dc3cf8 # [ 128.835137] lkdtm: bad_stack : ffff800016dc3c28-ffff800016dc3c48 # [ 128.841601] lkdtm: attempting good copy_from_user of local stack # [ 128.847962] 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>[ 129.360098] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND <6>[ 129.366446] lkdtm: good_stack: ffff800016e63cd8-ffff800016e63cf8 <6>[ 129.372786] lkdtm: bad_stack : ffff800016e63ff8-ffff800016e64018 <6>[ 129.379135] lkdtm: attempting good copy_to_user of local stack <6>[ 129.385408] lkdtm: attempting bad copy_to_user of distant stack <1>[ 129.392007] Unable to handle kernel paging request at virtual address ffff800016e64000 <1>[ 129.400261] Mem abort info: <1>[ 129.403345] ESR = 0x96000007 <1>[ 129.406694] EC = 0x25: DABT (current EL), IL = 32 bits <1>[ 129.412300] SET = 0, FnV = 0 <1>[ 129.415647] EA = 0, S1PTW = 0 <1>[ 129.419077] Data abort info: <1>[ 129.422230] ISV = 0, ISS = 0x00000007 <1>[ 129.426357] CM = 0, WnR = 0 <1>[ 129.429615] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081db0000 <1>[ 129.436614] [ffff800016e64000] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=0000000884ead003, pte=0000000000000000 <0>[ 129.449520] Internal error: Oops: 0000000096000007 [#16] PREEMPT SMP <4>[ 129.456152] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 129.467902] CPU: 1 PID: 3045 Comm: cat Tainted: G D W 5.10.224-cip52 #1 <4>[ 129.475923] Hardware name: ARM Juno development board (r0) (DT) <4>[ 129.482123] pstate: 80000005 (Nzcv daif -PAN -UAO -TCO BTYPE=--) <4>[ 129.488412] pc : __arch_copy_to_user+0xa0/0x310 <4>[ 129.493219] lr : _copy_to_user+0x6c/0x94 <4>[ 129.497412] sp : ffff800016e63c60 <4>[ 129.500994] x29: ffff800016e63c60 x28: ffff000802a8e200 <4>[ 129.506588] x27: 0000000000000000 x26: 0000000000000000 <4>[ 129.512189] x25: ffff8000114db320 x24: ffff800016e63e20 <4>[ 129.517785] x23: 0000ffffa1eb4000 x22: ffff800016e63ff8 <4>[ 129.523379] x21: ffff800016e63ff8 x20: 0000ffffa1eb4000 <4>[ 129.528978] x19: 0000000000000020 x18: 0000000000000000 <4>[ 129.534574] x17: 0000000000000000 x16: 0000000000000000 <4>[ 129.540169] x15: ffff800016e63ff8 x14: 0000000000000000 <4>[ 129.545761] x13: 0000000000000000 x12: 0000000000000000 <4>[ 129.551354] x11: 0000000000000000 x10: 0000000000001440 <4>[ 129.556947] x9 : ffff8000100dd810 x8 : ffff000802a8f6a0 <4>[ 129.562540] x7 : 00000000018d250a x6 : 0000ffffa1eb4008 <4>[ 129.568132] x5 : 0000ffffa1eb4020 x4 : 0000000000000008 <4>[ 129.573725] x3 : 0000000000000010 x2 : 0000000000000018 <4>[ 129.579317] x1 : ffff800016e64000 x0 : 0000ffffa1eb4000 <4>[ 129.584910] Call trace: <4>[ 129.587625] __arch_copy_to_user+0xa0/0x310 <4>[ 129.592082] do_usercopy_stack+0x2a8/0x2b0 <4>[ 129.596450] lkdtm_USERCOPY_STACK_BEYOND+0x20/0x30 <4>[ 129.601513] lkdtm_do_action+0x24/0x40 <4>[ 129.605532] direct_entry+0xc8/0x130 <4>[ 129.609377] full_proxy_write+0x68/0xbc <4>[ 129.613484] vfs_write+0xec/0x22c <4>[ 129.617067] ksys_write+0x78/0x110 <4>[ 129.620736] __arm64_sys_write+0x24/0x30 <4>[ 129.624932] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 129.629995] do_el0_svc+0x2c/0xa4 <4>[ 129.633578] el0_svc+0x20/0x30 <4>[ 129.636901] el0_sync_handler+0xe8/0x114 <4>[ 129.641093] el0_sync+0x180/0x1c0 <0>[ 129.644680] Code: a8c12027 a88120c7 d503201f d503201f (a8c12027) <4>[ 129.651050] ---[ end trace 5e26b21ecf842925 ]--- # Segmentation fault # [ 129.360098] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 129.366446] lkdtm: good_stack: ffff800016e63cd8-ffff800016e63cf8 # [ 129.372786] lkdtm: bad_stack : ffff800016e63ff8-ffff800016e64018 # [ 129.379135] lkdtm: attempting good copy_to_user of local stack # [ 129.385408] lkdtm: attempting bad copy_to_user of distant stack # [ 129.392007] Unable to handle kernel paging request at virtual address ffff800016e64000 # [ 129.400261] Mem abort info: # [ 129.403345] ESR = 0x96000007 # [ 129.406694] EC = 0x25: DABT (current EL), IL = 32 bits # [ 129.412300] SET = 0, FnV = 0 # [ 129.415647] EA = 0, S1PTW = 0 # [ 129.419077] Data abort info: # [ 129.422230] ISV = 0, ISS = 0x00000007 # [ 129.426357] CM = 0, WnR = 0 # [ 129.429615] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081db0000 # [ 129.436614] [ffff800016e64000] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=0000000884ead003, pte=0000000000000000 # [ 129.449520] Internal error: Oops: 0000000096000007 [#16] PREEMPT SMP # [ 129.456152] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 129.467902] CPU: 1 PID: 3045 Comm: cat Tainted: G D W 5.10.224-cip52 #1 # [ 129.475923] Hardware name: ARM Juno development board (r0) (DT) # [ 129.482123] pstate: 80000005 (Nzcv daif -PAN -UAO -TCO BTYPE=--) # [ 129.488412] pc : __arch_copy_to_user+0xa0/0x310 # [ 129.493219] lr : _copy_to_user+0x6c/0x94 # [ 129.497412] sp : ffff800016e63c60 # [ 129.500994] x29: ffff800016e63c60 x28: ffff000802a8e200 # [ 129.506588] x27: 0000000000000000 x26: 0000000000000000 # [ 129.512189] x25: ffff8000114db320 x24: ffff800016e63e20 # [ 129.517785] x23: 0000ffffa1eb4000 x22: ffff800016e63ff8 # [ 129.523379] x21: ffff800016e63ff8 x20: 0000ffffa1eb4000 # [ 129.528978] x19: 0000000000000020 x18: 0000000000000000 # [ 129.534574] x17: 0000000000000000 x16: 0000000000000000 # [ 129.540169] x15: ffff800016e63ff8 x14: 0000000000000000 # [ 129.545761] x13: 0000000000000000 x12: 0000000000000000 # [ 129.551354] x11: 0000000000000000 x10: 0000000000001440 # [ 129.556947] x9 : ffff8000100dd810 x8 : ffff000802a8f6a0 # [ 129.562540] x7 : 00000000018d250a x6 : 0000ffffa1eb4008 # [ 129.568132] x5 : 0000ffffa1eb4020 x4 : 0000000000000008 # [ 129.573725] x3 : 0000000000000010 x2 : 0000000000000018 # [ 129.579317] x1 : ffff800016e64000 x0 : 0000ffffa1eb4000 # [ 129.584910] Call trace: # [ 129.587625] __arch_copy_to_user+0xa0/0x310 # [ 129.592082] do_usercopy_stack+0x2a8/0x2b0 # [ 129.596450] lkdtm_USERCOPY_STACK_BEYOND+0x20/0x30 # [ 129.601513] lkdtm_do_action+0x24/0x40 # [ 129.605532] direct_entry+0xc8/0x130 # [ 129.609377] full_proxy_write+0x68/0xbc # [ 129.613484] vfs_write+0xec/0x22c # [ 129.617067] ksys_write+0x78/0x110 # [ 129.620736] __arm64_sys_write+0x24/0x30 # [ 129.624932] el0_svc_common.constprop.0+0x84/0x1e0 # [ 129.629995] do_el0_svc+0x2c/0xa4 # [ 129.633578] el0_svc+0x20/0x30 # [ 129.636901] el0_sync_handler+0xe8/0x114 # [ 129.641093] el0_sync+0x180/0x1c0 # [ 129.644680] Code: a8c12027 a88120c7 d503201f d503201f (a8c12027) # [ 129.651050] ---[ end trace 5e26b21ecf842925 ]--- # USERCOPY_STACK_BEYOND: saw 'call trace:': ok ok 67 selftests: lkdtm: USERCOPY_STACK_BEYOND.sh # selftests: lkdtm: USERCOPY_KERNEL.sh <6>[ 130.175307] lkdtm: Performing direct entry USERCOPY_KERNEL <6>[ 130.181160] lkdtm: attempting good copy_to_user from kernel rodata: ffff8000114db830 <6>[ 130.189299] lkdtm: attempting bad copy_to_user from kernel text: ffff8000102ce270 <3>[ 130.197127] lkdtm: FAIL: survived bad copy_to_user() # [ 130.175307] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 130.181160] lkdtm: attempting good copy_to_user from kernel rodata: ffff8000114db830 # [ 130.189299] lkdtm: attempting bad copy_to_user from kernel text: ffff8000102ce270 # [ 130.197127] 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>[ 130.734000] lkdtm: Performing direct entry STACKLEAK_ERASING <6>[ 130.740037] lkdtm: checking unused part of the thread stack (15608 bytes)... <3>[ 130.747545] lkdtm: FAIL: the erased part is not found (checked 15608 bytes) <3>[ 130.754869] lkdtm: FAIL: the thread stack is NOT properly erased <4>[ 130.761387] CPU: 1 PID: 3129 Comm: cat Tainted: G D W 5.10.224-cip52 #1 <4>[ 130.769413] Hardware name: ARM Juno development board (r0) (DT) <4>[ 130.775606] Call trace: <4>[ 130.778324] dump_backtrace+0x0/0x200 <4>[ 130.782256] show_stack+0x20/0x2c <4>[ 130.785842] dump_stack+0x108/0x154 <4>[ 130.789602] lkdtm_STACKLEAK_ERASING+0x130/0x170 <4>[ 130.794494] lkdtm_do_action+0x24/0x40 <4>[ 130.798513] direct_entry+0xc8/0x130 <4>[ 130.802359] full_proxy_write+0x68/0xbc <4>[ 130.806467] vfs_write+0xec/0x22c <4>[ 130.810050] ksys_write+0x78/0x110 <4>[ 130.813722] __arm64_sys_write+0x24/0x30 <4>[ 130.817917] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 130.822981] do_el0_svc+0x2c/0xa4 <4>[ 130.826565] el0_svc+0x20/0x30 <4>[ 130.829889] el0_sync_handler+0xe8/0x114 <4>[ 130.834082] el0_sync+0x180/0x1c0 # [ 130.734000] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 130.740037] lkdtm: checking unused part of the thread stack (15608 bytes)... # [ 130.747545] lkdtm: FAIL: the erased part is not found (checked 15608 bytes) # [ 130.754869] lkdtm: FAIL: the thread stack is NOT properly erased # [ 130.761387] CPU: 1 PID: 3129 Comm: cat Tainted: G D W 5.10.224-cip52 #1 # [ 130.769413] Hardware name: ARM Juno development board (r0) (DT) # [ 130.775606] Call trace: # [ 130.778324] dump_backtrace+0x0/0x200 # [ 130.782256] show_stack+0x20/0x2c # [ 130.785842] dump_stack+0x108/0x154 # [ 130.789602] lkdtm_STACKLEAK_ERASING+0x130/0x170 # [ 130.794494] lkdtm_do_action+0x24/0x40 # [ 130.798513] direct_entry+0xc8/0x130 # [ 130.802359] full_proxy_write+0x68/0xbc # [ 130.806467] vfs_write+0xec/0x22c # [ 130.810050] ksys_write+0x78/0x110 # [ 130.813722] __arm64_sys_write+0x24/0x30 # [ 130.817917] el0_svc_common.constprop.0+0x84/0x1e0 # [ 130.822981] do_el0_svc+0x2c/0xa4 # [ 130.826565] el0_svc+0x20/0x30 # [ 130.829889] el0_sync_handler+0xe8/0x114 # [ 130.834082] 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>[ 131.357843] lkdtm: Performing direct entry CFI_FORWARD_PROTO <6>[ 131.363879] lkdtm: Calling matched prototype ... <6>[ 131.368843] lkdtm: Calling mismatched prototype ... <6>[ 131.374048] lkdtm: Fail: survived mismatched prototype function call! # [ 131.357843] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 131.363879] lkdtm: Calling matched prototype ... # [ 131.368843] lkdtm: Calling mismatched prototype ... # [ 131.374048] 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 / #