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 : 34 degC Configuring motherboard (rev B, var A)... IOFPGA image \MB\HBI0262B\io_b118.bit IOFPGA config: PASSED OSC CLK config: PASSED Configuring SCC registers... Writing SCC 0x00000054 with 0x0007FFFE Writing SCC 0x0000005C with 0x00FE001E Writing SCC 0x00000100 with 0x003F1000 Writing SCC 0x00000104 with 0x0001F300 Writing SCC 0x00000108 with 0x00371000 Writing SCC 0x0000010C with 0x0001B300 Writing SCC 0x00000118 with 0x003F1000 Writing SCC 0x0000011C with 0x0001F100 Writing SCC 0x000000F8 with 0x0BEC0000 Writing SCC 0x000000FC with 0xABE40000 Writing SCC 0x0000000C with 0x000000C2 Writing SCC 0x00000010 with 0x000000C2 Peripheral ID0:0x000000AD Peripheral ID1:0x000000B0 Peripheral ID2:0x0000000B Peripheral ID3:0x00000000 Peripheral ID4:0x0000000D Peripheral ID5:0x000000F0 Peripheral ID6:0x00000005 Peripheral ID7:0x000000B1 Programming NOR Flash PCIE clock configured... Testing motherboard interfaces (FPGA build 118)... SRAM 32MB test: PASSED LAN9118 test: PASSED ERROR: SMC USB SRAM mode lock SMC USB test: FAILED KMI1/2 test: PASSED MMC test: PASSED PB/LEDs test: PASSED FPGA UART test: PASSED PCIe init test: PASSED MAC addrs test: PASSED SMC MAC address 0002-F700-584D Setting HDMI0 mode for SVGA. Setting HDMI1 mode for SVGA. SoC SMB clock enabled. Testing SMB clock... SMB clock running Releasing system resets... UART0 set to SoC UART0 UART1 set to SoC UART1 NOTICE: Booting Trusted Firmware NOTICE: BL1: v2.1(release):v2.2-rc0 NOTICE: BL1: Built : 02:01:47, Apr 13 2022 NOTICE: BL1: Booting BL2 NOTICE: BL2: v2.1(release):v2.2-rc0 NOTICE: BL2: Built : 02:01:49, Apr 13 2022 NOTICE: BL1: Booting BL31 NOTICE: BL31: v2.1(release):v2.2-rc0 NOTICE: BL31: Built : 02:01:52, Apr 13 2022 U-Boot 2022.04-00567-gb2a22b2c9f-dirty (Apr 14 2022 - 01:11:52 +0100) vexpress_aemv8a DRAM: 8 GiB PCIe XR3 Host Bridge enabled: x4 link (Gen 2) Core: 21 devices, 8 uclasses, devicetree: board Flash: 64 MiB Loading Environment from Flash... *** Warning - bad CRC, using default environment In: serial@7ff80000 Out: serial@7ff80000 Err: serial@7ff80000 Net: eth0: ethernet@200000000 Hit any key to stop autoboot: 1  0 VExpress64# setenv autoload no setenv autoload no VExpress64# setenv initrd_high 0xffffffffffffffff setenv initrd_high 0xffffffffffffffff VExpress64# setenv fdt_high 0xffffffffffffffff setenv fdt_high 0xffffffffffffffff VExpress64# dhcp dhcp smc911x: detected LAN9118 controller smc911x: phy initialized smc911x: MAC 00:02:f7:00:58:4d BOOTP broadcast 1 BOOTP broadcast 2 BOOTP broadcast 3 BOOTP broadcast 4 BOOTP broadcast 5 *** Unhandled DHCP Option in OFFER/ACK: 42 *** Unhandled DHCP Option in OFFER/ACK: 42 DHCP client bound to address 192.168.56.211 (3778 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 175262/tftp-deploy-87c3fgm7/kernel/uImage tftp 0x80200000 175262/tftp-deploy-87c3fgm7/kernel/uImage smc911x: detected LAN9118 controller smc911x: phy initialized smc911x: MAC 00:02:f7:00:58:4d Using ethernet@200000000 device TFTP from server 192.168.56.230; our IP address is 192.168.56.211 Filename '175262/tftp-deploy-87c3fgm7/kernel/uImage'. Load address: 0x80200000 Loading: *################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ############################################################ 2.2 MiB/s done Bytes transferred = 43819584 (29ca240 hex) smc911x: MAC 00:02:f7:00:58:4d VExpress64# tftp 0x8fe00000 175262/tftp-deploy-87c3fgm7/ramdisk/ramdisk.cpio.gz.uboot tftp 0x8fe00000 175262/tftp-deploy-87c3fgm7/ramdisk/ramdisk.cpio.gz.uboot smc911x: detected LAN9118 controller smc911x: phy initialized smc911x: MAC 00:02:f7:00:58:4d Using ethernet@200000000 device TFTP from server 192.168.56.230; our IP address is 192.168.56.211 Filename '175262/tftp-deploy-87c3fgm7/ramdisk/ramdisk.cpio.gz.uboot'. Load address: 0x8fe00000 Loading: *################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ############################################################# 1.6 MiB/s done Bytes transferred = 19018194 (12231d2 hex) smc911x: MAC 00:02:f7:00:58:4d VExpress64# setenv initrd_size ${filesize} setenv initrd_size ${filesize} VExpress64# tftp 0x8fc00000 175262/tftp-deploy-87c3fgm7/dtb/juno.dtb tftp 0x8fc00000 175262/tftp-deploy-87c3fgm7/dtb/juno.dtb smc911x: detected LAN9118 controller smc911x: phy initialized smc911x: MAC 00:02:f7:00:58:4d Using ethernet@200000000 device TFTP from server 192.168.56.230; our IP address is 192.168.56.211 Filename '175262/tftp-deploy-87c3fgm7/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/175262/extract-nfsrootfs-zv8vmf6y,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/175262/extract-nfsrootfs-zv8vmf6y,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: 43819520 Bytes = 41.8 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: 19018130 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 5.10.214-cip46 (KernelCI@build-j174506-arm64-gcc-10-defconfig-kselftest-2pl59) (aarch64-linux-gnu-gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP PREEMPT Tue Apr 23 01:39:32 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:2770 register_console+0x60/0x2f4 [ 0.000000] Modules linked in: [ 0.000000] CPU: 0 PID: 0 Comm: swapper Not tainted 5.10.214-cip46 #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+0x60/0x2f4 [ 0.000000] lr : register_console+0x60/0x2f4 [ 0.000000] sp : ffff800012543dd0 [ 0.000000] x29: ffff800012543dd0 x28: 0000000081db0018 [ 0.000000] x27: 00000000fef4a810 x26: 0000000000000000 [ 0.000000] x25: 00000000000046ac x24: ffff80001288a000 [ 0.000000] x23: 0000000000000000 x22: ffff800011d78db0 [ 0.000000] x21: ffff80001343af48 x20: ffff80001288a4f0 [ 0.000000] x19: ffff80001288a4f0 x18: 0000000000000005 [ 0.000000] x17: 0000000000001800 x16: 0000000000000000 [ 0.000000] x15: 0000000000000030 x14: ffffffffffffffff [ 0.000000] x13: ffff800092543a77 x12: 0000000076153240 [ 0.000000] x11: ffff800012570988 x10: ffff8000125ebee0 [ 0.000000] x9 : 00000000fffff000 x8 : ffff800012593ee0 [ 0.000000] x7 : ffff8000125ebee0 x6 : 0000000000000000 [ 0.000000] x5 : 0000000000000000 x4 : 0000000000000000 [ 0.000000] x3 : 00000000ffffffff x2 : 0000000000000000 [ 0.000000] x1 : 0000000000000000 x0 : ffff800012570100 [ 0.000000] Call trace: [ 0.000000] register_console+0x60/0x2f4 [ 0.000000] of_setup_earlycon+0x26c/0x290 [ 0.000000] early_init_dt_scan_chosen_stdout+0x168/0x1ac [ 0.000000] acpi_boot_table_init+0x160/0x1a0 [ 0.000000] setup_arch+0x294/0x65c [ 0.000000] start_kernel+0x90/0x578 [ 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 ee45f30151b01cd3 ]--- [ 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/175262/extract-nfsrootfs-zv8vmf6y,tcp,hard,vers=3 earlycon=pl011,0x7ff80000 console_msg_format=syslog earlycon deferred_probe_timeout=60 ip=dhcp <6>[ 0.000000] Dentry cache hash table entries: 1048576 (order: 11, 8388608 bytes, linear) <6>[ 0.000000] Inode-cache hash table entries: 524288 (order: 10, 4194304 bytes, linear) <6>[ 0.000000] mem auto-init: stack:off, heap alloc:off, heap free:off <6>[ 0.000000] software IO TLB: mapped [mem 0x00000000f9000000-0x00000000fd000000] (64MB) <6>[ 0.000000] Memory: 8040068K/8372224K available (18752K kernel code, 4648K rwdata, 9504K rodata, 9792K init, 11277K bss, 299388K reserved, 32768K cma-reserved) <6>[ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=6, Nodes=1 <6>[ 0.000000] ftrace: allocating 58719 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>[ 0.000008] sched_clock: 56 bits at 50MHz, resolution 20ns, wraps every 4398046511100ns <6>[ 0.009875] Console: colour dummy device 80x25 <4>[ 0.014756] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar <4>[ 0.022930] ... MAX_LOCKDEP_SUBCLASSES: 8 <4>[ 0.027400] ... MAX_LOCK_DEPTH: 48 <4>[ 0.031957] ... MAX_LOCKDEP_KEYS: 8192 <4>[ 0.036691] ... CLASSHASH_SIZE: 4096 <4>[ 0.041423] ... MAX_LOCKDEP_ENTRIES: 32768 <4>[ 0.046243] ... MAX_LOCKDEP_CHAINS: 65536 <4>[ 0.051064] ... CHAINHASH_SIZE: 32768 <4>[ 0.055885] memory used by lock dependency info: 6365 kB <4>[ 0.061674] memory used for stack traces: 4224 kB <4>[ 0.066847] per task-struct memory footprint: 1920 bytes <6>[ 0.072849] Calibrating delay loop (skipped), value calculated using timer frequency.. 100.00 BogoMIPS (lpj=200000) <6>[ 0.083786] pid_max: default: 32768 minimum: 301 <6>[ 0.089162] LSM: Security Framework initializing <6>[ 0.094250] LSM support for eBPF active <6>[ 0.098647] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes, linear) <6>[ 0.106687] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes, linear) <6>[ 0.127081] rcu: Hierarchical SRCU implementation. <6>[ 0.141004] EFI services will not be available. <6>[ 0.147826] smp: Bringing up secondary CPUs ... <6>[ 0.156226] CPU features: detected: ARM erratum 832075 <6>[ 0.156235] CPU features: detected: ARM erratum 834220 <6>[ 0.156242] CPU features: detected: EL2 vector hardening <6>[ 0.156256] CPU features: detected: Spectre-v2 <6>[ 0.156267] CPU features: detected: ARM errata 1165522, 1319367, or 1530923 <6>[ 0.156276] CPU features: detected: Spectre-BHB <6>[ 0.156285] Detected PIPT I-cache on CPU1 <6>[ 0.156365] CPU1: Booted secondary processor 0x0000000000 [0x410fd070] <6>[ 0.160124] Detected PIPT I-cache on CPU2 <6>[ 0.160172] CPU2: Booted secondary processor 0x0000000001 [0x410fd070] <6>[ 0.163657] Detected VIPT I-cache on CPU3 <6>[ 0.163750] CPU3: Booted secondary processor 0x0000000101 [0x410fd030] <6>[ 0.167649] Detected VIPT I-cache on CPU4 <6>[ 0.167726] CPU4: Booted secondary processor 0x0000000102 [0x410fd030] <6>[ 0.171474] Detected VIPT I-cache on CPU5 <6>[ 0.171548] CPU5: Booted secondary processor 0x0000000103 [0x410fd030] <6>[ 0.172310] smp: Brought up 1 node, 6 CPUs <6>[ 0.267186] SMP: Total of 6 processors activated. <6>[ 0.272328] CPU features: detected: 32-bit EL0 Support <6>[ 0.278026] CPU features: detected: CRC32 instructions <6>[ 0.283598] CPU features: detected: 32-bit EL1 Support <6>[ 0.364214] CPU: All CPU(s) started at EL2 <6>[ 0.368869] alternatives: patching kernel code <6>[ 0.384611] devtmpfs: initialized <4>[ 0.414736] KASLR disabled due to lack of seed <6>[ 0.421812] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 7645041785100000 ns <6>[ 0.432036] futex hash table entries: 2048 (order: 6, 262144 bytes, linear) <6>[ 0.441449] pinctrl core: initialized pinctrl subsystem <6>[ 0.451746] DMI not present or invalid. <6>[ 0.457587] NET: Registered protocol family 16 <6>[ 0.467895] DMA: preallocated 1024 KiB GFP_KERNEL pool for atomic allocations <6>[ 0.475839] DMA: preallocated 1024 KiB GFP_KERNEL|GFP_DMA pool for atomic allocations <6>[ 0.485426] DMA: preallocated 1024 KiB GFP_KERNEL|GFP_DMA32 pool for atomic allocations <6>[ 0.494063] audit: initializing netlink subsys (disabled) <5>[ 0.500489] audit: type=2000 audit(0.400:1): state=initialized audit_enabled=0 res=1 <6>[ 0.503742] thermal_sys: Registered thermal governor 'step_wise' <6>[ 0.508678] thermal_sys: Registered thermal governor 'power_allocator' <6>[ 0.516315] cpuidle: using governor menu <6>[ 0.527994] hw-breakpoint: found 6 breakpoint and 4 watchpoint registers. <6>[ 0.535673] ASID allocator initialised with 65536 entries <6>[ 0.545684] Serial: AMBA PL011 UART driver <6>[ 0.639549] 7ff80000.serial: ttyAMA0 at MMIO 0x7ff80000 (irq = 38, base_baud = 0) is a PL011 rev3 <6>[ 0.648939] printk: console [ttyAMA0] enabled <6>[ 0.648939] printk: console [ttyAMA0] enabled <6>[ 0.658303] printk: bootconsole [pl11] disabled <6>[ 0.658303] printk: bootconsole [pl11] disabled <6>[ 0.721640] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages <6>[ 0.728712] HugeTLB registered 32.0 MiB page size, pre-allocated 0 pages <6>[ 0.735731] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages <6>[ 0.742761] HugeTLB registered 64.0 KiB page size, pre-allocated 0 pages <6>[ 0.756476] cryptd: max_cpu_qlen set to 1000 <6>[ 0.772700] ACPI: Interpreter disabled. <6>[ 0.783864] iommu: Default domain type: Translated <6>[ 0.789949] vgaarb: loaded <5>[ 0.794321] SCSI subsystem initialized <6>[ 0.799916] usbcore: registered new interface driver usbfs <6>[ 0.805902] usbcore: registered new interface driver hub <6>[ 0.811672] usbcore: registered new device driver usb <6>[ 0.821635] pps_core: LinuxPPS API ver. 1 registered <6>[ 0.826937] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <6>[ 0.836433] PTP clock support registered <6>[ 0.841067] EDAC MC: Ver: 3.0.0 <6>[ 0.849470] FPGA manager framework <6>[ 0.853555] Advanced Linux Sound Architecture Driver Initialized. <6>[ 0.862931] clocksource: Switched to clocksource arch_sys_counter <5>[ 2.168186] VFS: Disk quotas dquot_6.6.0 <6>[ 2.172594] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) <6>[ 2.180916] pnp: PnP ACPI: disabled <6>[ 2.213325] NET: Registered protocol family 2 <6>[ 2.218827] IP idents hash table entries: 131072 (order: 8, 1048576 bytes, linear) <6>[ 2.232094] tcp_listen_portaddr_hash hash table entries: 4096 (order: 6, 327680 bytes, linear) <6>[ 2.242251] TCP established hash table entries: 65536 (order: 7, 524288 bytes, linear) <6>[ 2.253782] TCP bind hash table entries: 65536 (order: 10, 4718592 bytes, vmalloc) <6>[ 2.276746] TCP: Hash tables configured (established 65536 bind 65536) <6>[ 2.285104] MPTCP token hash table entries: 8192 (order: 7, 720896 bytes, linear) <6>[ 2.295137] UDP hash table entries: 4096 (order: 7, 655360 bytes, linear) <6>[ 2.304396] UDP-Lite hash table entries: 4096 (order: 7, 655360 bytes, linear) <6>[ 2.314300] NET: Registered protocol family 1 <6>[ 2.321069] RPC: Registered named UNIX socket transport module. <6>[ 2.327363] RPC: Registered udp transport module. <6>[ 2.332406] RPC: Registered tcp transport module. <6>[ 2.337429] RPC: Registered tcp NFSv4.1 backchannel transport module. <6>[ 2.344208] NET: Registered protocol family 44 <6>[ 2.348990] PCI: CLS 0 bytes, default 64 <6>[ 2.354050] Unpacking initramfs... <6>[ 4.088646] Freeing initrd memory: 18568K <6>[ 4.096396] hw perfevents: enabled with armv8_cortex_a57 PMU driver, 7 counters available <6>[ 4.106826] hw perfevents: enabled with armv8_cortex_a53 PMU driver, 7 counters available <6>[ 4.115491] kvm [1]: Guests without required CPU erratum workarounds can deadlock system! <6>[ 4.115491] Only trusted guests should be used on this system. <6>[ 4.130140] kvm [1]: IPA Size Limit: 40 bits <6>[ 4.146686] kvm [1]: vgic interrupt IRQ9 <6>[ 4.151614] kvm [1]: Hyp mode initialized successfully <5>[ 4.176197] Initialise system trusted keyrings <6>[ 4.181648] workingset: timestamp_bits=42 max_order=21 bucket_order=0 <6>[ 4.230355] squashfs: version 4.0 (2009/01/31) Phillip Lougher <5>[ 4.239117] NFS: Registering the id_resolver key type <5>[ 4.244601] Key type id_resolver registered <5>[ 4.249127] Key type id_legacy registered <6>[ 4.253907] nfs4filelayout_init: NFSv4 File Layout Driver Registering... <6>[ 4.260964] nfs4flexfilelayout_init: NFSv4 Flexfile Layout Driver Registering... <6>[ 4.269234] 9p: Installing v9fs 9p2000 file system support <5>[ 4.325643] Key type asymmetric registered <5>[ 4.330108] Asymmetric key parser 'x509' registered <6>[ 4.335419] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 245) <6>[ 4.343164] io scheduler mq-deadline registered <6>[ 4.348012] io scheduler kyber registered <4>[ 4.352971] test_firmware: interface ready <6>[ 4.384734] pl061_gpio 1c1d0000.gpio: PL061 GPIO chip registered <4>[ 4.401628] EINJ: ACPI disabled. <6>[ 4.426367] dma-pl330 7ff00000.dma: Loaded driver for PL330 DMAC-341330 <6>[ 4.433314] dma-pl330 7ff00000.dma: DBUFF-1024x16bytes Num_Chans-8 Num_Peri-8 Num_Events-8 <6>[ 4.473157] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled <6>[ 4.489302] SuperH (H)SCI(F) driver initialized <6>[ 4.495589] msm_serial: driver initialized <5>[ 4.503874] arm-smmu 7fb10000.iommu: probing hardware configuration... <5>[ 4.510737] arm-smmu 7fb10000.iommu: SMMUv1 with: <5>[ 4.515760] arm-smmu 7fb10000.iommu: stage 2 translation <5>[ 4.521478] arm-smmu 7fb10000.iommu: non-coherent table walk <5>[ 4.527543] arm-smmu 7fb10000.iommu: (IDR0.CTTW overridden by FW configuration) <5>[ 4.535285] arm-smmu 7fb10000.iommu: stream matching with 2 register groups <5>[ 4.542667] arm-smmu 7fb10000.iommu: 1 context banks (1 stage-2 only) <5>[ 4.549522] arm-smmu 7fb10000.iommu: Supported page sizes: 0x60211000 <5>[ 4.556371] arm-smmu 7fb10000.iommu: Stage-2: 40-bit IPA -> 40-bit PA <5>[ 4.564481] arm-smmu 7fb20000.iommu: probing hardware configuration... <5>[ 4.571339] arm-smmu 7fb20000.iommu: SMMUv1 with: <5>[ 4.576363] arm-smmu 7fb20000.iommu: stage 2 translation <5>[ 4.582079] arm-smmu 7fb20000.iommu: non-coherent table walk <5>[ 4.588142] arm-smmu 7fb20000.iommu: (IDR0.CTTW overridden by FW configuration) <5>[ 4.595884] arm-smmu 7fb20000.iommu: stream matching with 2 register groups <5>[ 4.603263] arm-smmu 7fb20000.iommu: 1 context banks (1 stage-2 only) <5>[ 4.610117] arm-smmu 7fb20000.iommu: Supported page sizes: 0x60211000 <5>[ 4.616968] arm-smmu 7fb20000.iommu: Stage-2: 40-bit IPA -> 40-bit PA <5>[ 4.624572] arm-smmu 7fb30000.iommu: probing hardware configuration... <5>[ 4.631427] arm-smmu 7fb30000.iommu: SMMUv1 with: <5>[ 4.636448] arm-smmu 7fb30000.iommu: stage 2 translation <5>[ 4.642164] arm-smmu 7fb30000.iommu: coherent table walk <5>[ 4.647885] arm-smmu 7fb30000.iommu: stream matching with 2 register groups <5>[ 4.655280] arm-smmu 7fb30000.iommu: 1 context banks (1 stage-2 only) <5>[ 4.662135] arm-smmu 7fb30000.iommu: Supported page sizes: 0x60211000 <5>[ 4.668983] arm-smmu 7fb30000.iommu: Stage-2: 40-bit IPA -> 40-bit PA <6>[ 4.721026] loop: module loaded <6>[ 4.726489] lkdtm: No crash points registered, enable through debugfs <6>[ 4.736707] megasas: 07.714.04.00-rc1 <6>[ 4.761627] thunder_xcv, ver 1.0 <6>[ 4.765322] thunder_bgx, ver 1.0 <6>[ 4.769004] nicpf, ver 1.0 <6>[ 4.775612] hclge is initializing <6>[ 4.779343] hns3: Hisilicon Ethernet Network Driver for Hip08 Family - version <6>[ 4.786966] hns3: Copyright (c) 2017 Huawei Corporation. <6>[ 4.792746] e1000: Intel(R) PRO/1000 Network Driver <6>[ 4.797945] e1000: Copyright (c) 1999-2006 Intel Corporation. <6>[ 4.804184] e1000e: Intel(R) PRO/1000 Network Driver <6>[ 4.809468] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. <6>[ 4.815859] igb: Intel(R) Gigabit Ethernet Network Driver <6>[ 4.821577] igb: Copyright (c) 2007-2014 Intel Corporation. <6>[ 4.827566] igbvf: Intel(R) Gigabit Virtual Function Network Driver <6>[ 4.834156] igbvf: Copyright (c) 2009 - 2012 Intel Corporation. <6>[ 4.841399] sky2: driver version 1.30 <6>[ 4.910817] smsc911x 18000000.ethernet eth0: MAC Address: 00:02:f7:00:58:4d <6>[ 4.921927] VFIO - User Level meta-driver version: 0.3 <6>[ 4.932817] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver <6>[ 4.939749] ehci-pci: EHCI PCI platform driver <6>[ 4.944618] ehci-platform: EHCI generic platform driver <6>[ 4.950756] ehci-platform 7ffc0000.usb: Adding to iommu group 0 <6>[ 4.957761] ehci-platform 7ffc0000.usb: EHCI Host Controller <6>[ 4.963927] ehci-platform 7ffc0000.usb: new USB bus registered, assigned bus number 1 <6>[ 4.972574] ehci-platform 7ffc0000.usb: irq 41, io mem 0x7ffc0000 <6>[ 4.995005] ehci-platform 7ffc0000.usb: USB 2.0 started, EHCI 1.00 <6>[ 5.005006] hub 1-0:1.0: USB hub found <6>[ 5.009278] hub 1-0:1.0: 1 port detected <6>[ 5.015307] ehci-orion: EHCI orion driver <6>[ 5.019998] ehci-exynos: EHCI Exynos driver <6>[ 5.024798] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver <6>[ 5.031353] ohci-pci: OHCI PCI platform driver <6>[ 5.036295] ohci-platform: OHCI generic platform driver <6>[ 5.042293] ohci-platform 7ffb0000.usb: Adding to iommu group 0 <6>[ 5.048846] ohci-platform 7ffb0000.usb: Generic Platform OHCI controller <6>[ 5.055934] ohci-platform 7ffb0000.usb: new USB bus registered, assigned bus number 2 <6>[ 5.064463] ohci-platform 7ffb0000.usb: irq 40, io mem 0x7ffb0000 <6>[ 5.149356] hub 2-0:1.0: USB hub found <6>[ 5.153537] hub 2-0:1.0: 1 port detected <6>[ 5.159106] ohci-exynos: OHCI Exynos driver <6>[ 5.165214] usbcore: registered new interface driver usb-storage <6>[ 5.183495] rtc-pl031 1c170000.rtc: registered as rtc0 <6>[ 5.189099] rtc-pl031 1c170000.rtc: setting system clock to 2000-01-01T00:02:52 UTC (946684972) <6>[ 5.200018] i2c /dev entries driver <6>[ 5.217523] sp805-wdt 1c0f0000.wdt: registration successful <6>[ 5.235566] sdhci: Secure Digital Host Controller Interface driver <6>[ 5.240519] mmci-pl18x 1c050000.mmci: mmc0: PL180 manf 41 rev0 at 0x1c050000 irq 16,0 (pio) <6>[ 5.242065] sdhci: Copyright(c) Pierre Ossman <6>[ 5.256942] Synopsys Designware Multimedia Card Interface Driver <6>[ 5.266052] sdhci-pltfm: SDHCI platform and OF driver helper <6>[ 5.275063] usb 1-1: new high-speed USB device number 2 using ehci-platform <6>[ 5.276927] leds-syscon 1c010000.apbregs:led0: registered LED (null) <6>[ 5.289867] leds-syscon 1c010000.apbregs:led1: registered LED (null) <6>[ 5.297172] leds-syscon 1c010000.apbregs:led2: registered LED (null) <6>[ 5.304473] leds-syscon 1c010000.apbregs:led3: registered LED (null) <6>[ 5.311788] leds-syscon 1c010000.apbregs:led4: registered LED (null) <6>[ 5.319123] leds-syscon 1c010000.apbregs:led5: registered LED (null) <6>[ 5.326408] leds-syscon 1c010000.apbregs:led6: registered LED (null) <6>[ 5.333697] leds-syscon 1c010000.apbregs:led7: registered LED (null) <6>[ 5.342682] ledtrig-cpu: registered to indicate activity on CPUs <6>[ 5.354782] usbcore: registered new interface driver usbhid <6>[ 5.360697] usbhid: USB HID core driver <6>[ 5.367786] mhu 2b1f0000.mhu: ARM MHU Mailbox registered <6>[ 5.388573] ipip: IPv4 and MPLS over IPv4 tunneling driver <6>[ 5.395926] IPv4 over IPsec tunneling driver <6>[ 5.403452] NET: Registered protocol family 10 <6>[ 5.412945] Segment Routing with IPv6 <6>[ 5.420564] NET: Registered protocol family 17 <6>[ 5.426688] 9pnet: Installing 9P2000 support <5>[ 5.431514] Key type dns_resolver registered <6>[ 5.437448] registered taskstats version 1 <5>[ 5.441974] Loading compiled-in X.509 certificates <6>[ 5.445862] hub 1-1:1.0: USB hub found <6>[ 5.452096] hub 1-1:1.0: 4 ports detected <3>[ 5.499011] scpi_protocol scpi: incorrect or no SCP firmware found <4>[ 5.505738] scpi_protocol: probe of scpi failed with error -110 <6>[ 5.526382] input: gpio-keys as /devices/platform/gpio-keys/input/input1 <4>[ 6.183209] atkbd serio0: keyboard reset failed on 1c060000.kmi <4>[ 7.431169] atkbd serio1: keyboard reset failed on 1c070000.kmi <6>[ 14.092187] 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>[ 14.219197] psmouse serio0: Failed to enable mouse on 1c060000.kmi <6>[ 20.676393] 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>[ 20.803209] psmouse serio1: Failed to enable mouse on 1c070000.kmi <6>[ 20.811791] SMSC LAN911x Internal PHY 18000000.ethernet-ffffffff:01: attached PHY driver [SMSC LAN911x Internal PHY] (mii_bus:phy_addr=18000000.ethernet-ffffffff:01, irq=POLL) <6>[ 20.838981] smsc911x 18000000.ethernet eth0: SMSC911x/921x identified at 0xffff800014200000, IRQ: 15 <6>[ 22.899274] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready <5>[ 22.918970] Sending DHCP requests .., OK <6>[ 26.019341] IP-Config: Got DHCP answer from 192.168.56.254, my address is 192.168.56.211 <6>[ 26.027765] IP-Config: Complete: <6>[ 26.031304] device=eth0, hwaddr=00:02:f7:00:58:4d, ipaddr=192.168.56.211, mask=255.255.255.0, gw=192.168.56.254 <6>[ 26.042148] host=192.168.56.211, domain=mayfield.sirena.org.uk, nis-domain=(none) <6>[ 26.050381] bootserver=192.168.56.254, rootserver=192.168.56.230, rootpath= <6>[ 26.050396] nameserver0=192.168.56.254 <6>[ 26.062594] ntpserver0=50.205.244.22, ntpserver1=85.199.214.99 <6>[ 26.069941] ALSA device list: <6>[ 26.073306] No soundcards found. <6>[ 26.077836] uart-pl011 7ff80000.serial: no DMA platform data <6>[ 26.117717] Freeing unused kernel memory: 9792K <6>[ 26.122984] Run /init as init process Loading, please wait... Starting systemd-udevd version 252.22-1~deb12u1 <6>[ 29.079537] tda998x 0-0070: found TDA19988 <6>[ 29.242688] tda998x 0-0071: found TDA19988 Begin: Loading essential drivers ... done. Begin: Running /scripts/init-premount ... done. Begin: Mounting root file system ... Begin: Running /scripts/nfs-top ... done. Begin: Running /scripts/nfs-premount ... Waiting up to 60 secs for any ethernet to become available Device /sys/class/net/eth0 found done. Begin: Waiting up to 180 secs for any network device to become available ... done. IP-Config: eth0 hardware address 00:02:f7:00:58:4d mtu 1500 DHCP IP-Config: eth0 complete (dhcp from 192.168.56.254): address: 192.168.56.211 broadcast: 192.168.56.255 netmask: 255.255.255.0 gateway: 192.168.56.254 dns0 : 192.168.56.254 dns1 : 0.0.0.0 domain : mayfield.sirena.org.uk rootserver: 192.168.56.254 rootpath: filename : done. Begin: Running /scripts/nfs-bottom ... done. Begin: Running /scripts/init-bottom ... done. <30>[ 32.587791] systemd[1]: System time before build time, advancing clock. <30>[ 33.059540] 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>[ 33.092861] systemd[1]: Detected architecture arm64. Welcome to [1mDebian GNU/Linux 12 (bookworm)[0m! <30>[ 33.348605] systemd[1]: Hostname set to . <30>[ 35.144742] systemd[1]: Queued start job for default target graphical.target. <30>[ 35.180871] 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>[ 35.213047] 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>[ 35.247104] 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>[ 35.276447] 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>[ 35.300966] 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>[ 35.328595] 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>[ 35.355555] 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>[ 35.375504] systemd[1]: Expecting device dev-ttyAMA0.device - /dev/ttyAMA0... Expecting device [0;1;39mdev-ttyAMA0.device[0m - /dev/ttyAMA0... <30>[ 35.399267] systemd[1]: Reached target cryptsetup.target - Local Encrypted Volumes. [[0;32m OK [0m] Reached target [0;1;39mcryptsetup.…get[0m - Local Encrypted Volumes. <30>[ 35.423243] systemd[1]: Reached target integritysetup.target - Local Integrity Protected Volumes. [[0;32m OK [0m] Reached target [0;1;39mintegrityse…Local Integrity Protected Volumes. <30>[ 35.447446] systemd[1]: Reached target paths.target - Path Units. [[0;32m OK [0m] Reached target [0;1;39mpaths.target[0m - Path Units. <30>[ 35.467403] 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>[ 35.491214] systemd[1]: Reached target slices.target - Slice Units. [[0;32m OK [0m] Reached target [0;1;39mslices.target[0m - Slice Units. <30>[ 35.511406] systemd[1]: Reached target swap.target - Swaps. [[0;32m OK [0m] Reached target [0;1;39mswap.target[0m - Swaps. <30>[ 35.531435] systemd[1]: Reached target veritysetup.target - Local Verity Protected Volumes. [[0;32m OK [0m] Reached target [0;1;39mveritysetup… - Local Verity Protected Volumes. <30>[ 35.556512] 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>[ 35.588573] 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>[ 35.618753] 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>[ 35.645618] systemd[1]: Listening on systemd-journald.socket - Journal Socket. [[0;32m OK [0m] Listening on [0;1;39msystemd-journald.socket[0m - Journal Socket. <30>[ 35.674502] 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>[ 35.705085] 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>[ 35.733116] 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>[ 35.776159] systemd[1]: Mounting dev-hugepages.mount - Huge Pages File System... Mounting [0;1;39mdev-hugepages.mount[0m - Huge Pages File System... <30>[ 35.815015] systemd[1]: Mounting dev-mqueue.mount - POSIX Message Queue File System... Mounting [0;1;39mdev-mqueue.mount…POSIX Message Queue File System... <30>[ 35.855594] systemd[1]: Mounting sys-kernel-debug.mount - Kernel Debug File System... Mounting [0;1;39msys-kernel-debug.…[0m - Kernel Debug File System... <30>[ 35.895662] systemd[1]: Mounting sys-kernel-tracing.mount - Kernel Trace File System... Mounting [0;1;39msys-kernel-tracin…[0m - Kernel Trace File System... <30>[ 35.961150] 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>[ 36.004332] systemd[1]: Starting modprobe@configfs.service - Load Kernel Module configfs... Starting [0;1;39mmodprobe@configfs…m - Load Kernel Module configfs... <30>[ 36.048321] 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>[ 36.087747] systemd[1]: Starting modprobe@drm.service - Load Kernel Module drm... Starting [0;1;39mmodprobe@drm.service[0m - Load Kernel Module drm... <30>[ 36.127897] systemd[1]: Starting modprobe@efi_pstore.service - Load Kernel Module efi_pstore... Starting [0;1;39mmodprobe@efi_psto…- Load Kernel Module efi_pstore... <6>[ 36.171657] device-mapper: ioctl: 4.43.0-ioctl (2020-10-01) initialised: dm-devel@redhat.com <30>[ 36.172984] systemd[1]: Starting modprobe@fuse.service - Load Kernel Module fuse... Starting [0;1;39mmodprobe@fuse.ser…e[0m - Load Kernel Module fuse... <30>[ 36.224044] systemd[1]: Starting modprobe@loop.service - Load Kernel Module loop... Starting [0;1;39mmodprobe@loop.ser…e[0m - Load Kernel Module loop... <30>[ 36.273866] systemd[1]: Starting systemd-journald.service - Journal Service... Starting [0;1;39msystemd-journald.service[0m - Journal Service... <6>[ 36.290995] fuse: init (API version 7.32) <30>[ 36.333913] systemd[1]: Starting systemd-modules-load.service - Load Kernel Modules... Starting [0;1;39msystemd-modules-l…rvice[0m - Load Kernel Modules... <30>[ 36.375832] 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>[ 36.419320] 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>[ 36.463943] systemd[1]: Starting systemd-udev-trigger.service - Coldplug All udev Devices... Starting [0;1;39msystemd-udev-trig…[0m - Coldplug All udev Devices... <30>[ 36.519174] 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>[ 36.545381] 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>[ 36.576906] 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>[ 36.606499] 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>[ 36.638878] 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>[ 36.672637] systemd[1]: modprobe@configfs.service: Deactivated successfully. <30>[ 36.684562] 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>[ 36.719292] systemd[1]: modprobe@dm_mod.service: Deactivated successfully. <30>[ 36.730819] 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>[ 36.762330] systemd[1]: modprobe@drm.service: Deactivated successfully. <30>[ 36.774331] 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>[ 36.806313] systemd[1]: modprobe@efi_pstore.service: Deactivated successfully. <30>[ 36.819018] 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>[ 36.850696] systemd[1]: modprobe@fuse.service: Deactivated successfully. <30>[ 36.861831] 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>[ 36.897974] systemd[1]: modprobe@loop.service: Deactivated successfully. <30>[ 36.911468] 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>[ 36.940832] 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>[ 37.378825] systemd-journald[248]: 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>[ 38.859177] random: crng init done [[0;32m OK [0m] Finished [0;1;39msystemd-random-se…rvice[0m - Load/Save Random Seed. [[0;32m OK [0m] Finished [0;1;39msystemd-tmpfiles-…reate Static Device Nodes in /dev. [[0;32m OK [0m] Reached target [0;1;39mlocal-fs-pr…reparation for Local File Systems. [[0;32m OK [0m] Reached target [0;1;39mlocal-fs.target[0m - Local File Systems. Starting [0;1;39msystemd-udevd.ser…ger for Device Events and Files... [[0;32m OK [0m] Finished [0;1;39msystemd-journal-f…ush Journal to Persistent Storage. Starting [0;1;39msystemd-tmpfiles-… Volatile Files and Directories... [[0;32m OK [0m] Finished [0;1;39msystemd-udev-trig…e[0m - Coldplug All udev Devices. [[0;32m OK [0m] Started [0;1;39msystemd-udevd.serv…nager for Device Events and Files. Starting [0;1;39msystemd-networkd.…ice[0m - Network Configuration... [[0;32m OK [0m] Found device [0;1;39mdev-ttyAMA0.device[0m - /dev/ttyAMA0. [[0;32m OK [0m] Finished [0;1;39msystemd-tmpfiles-…te Volatile Files and Directories. Starting [0;1;39msystemd-timesyncd… - Network Time Synchronization... Starting [0;1;39msystemd-update-ut…rd System Boot/Shutdown in UTMP... [[0;32m OK [0m] Finished [0;1;39msystemd-update-ut…cord System Boot/Shutdown in UTMP. <5>[ 41.746663] cfg80211: Loading compiled-in X.509 certificates for regulatory database <5>[ 41.864024] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' [[0;32m OK [0m] Started [0;1;39msystemd-time<5>[ 41.873310] cfg80211: Loaded X.509 cert 'wens: 61c038651aabdcf94bd0ac7ff06c7248db18c600' syncd.…0m - Network Time Synchronization. <4>[ 41.890160] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 <4>[ 41.899605] 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 targe<46>[ 41.968662] systemd-journald[248]: Oldest entry in /var/log/journal/44a983756b26438995e691b947c527e4/system.journal is older than the configured file retention duration (1month), suggesting rotation. t [0;1;39mtime-set.target[0m - System Time Set<46>[ 41.990381] systemd-journald[248]: /var/log/journal/44a983756b26438995e691b947c527e4/system.journal: Journal header limits reached or header out-of-date, rotating. . [[0;32m OK [0m] Started [0;1;39mapt-daily.timer[0m - Daily apt download activities. [[0;32m OK [0m] Started [0;1;39mapt-daily-upgrade.… apt upgrade and clean activities. [[0;32m OK [0m] Started [0;1;39mdpkg-db-backup.tim… Daily dpkg database backup timer. [[0;32m OK [0m] Started [0;1;39me2scrub_all.<6>[ 42.328325] cfg80211: failed to load regulatory.db timer…etadata Check for All Filesystems. [[0;32m OK [0m] Started [0;1;39mfstrim.timer[0m - Discard unused blocks once a week. [[0;32m OK [0m] Reached target [0;1;39mtimers.target[0m - Timer Units. [[0;32m OK [0m] Listening on [0;1;39mdbus.socket[…- D-Bus System Message Bus Socket. [[0;32m OK [0m] Reached target [0;1;39msockets.target[0m - Socket Units. [[0;32m OK [0m] Reached target [0;1;39mbasic.target[0m - Basic System. Starting [0;1;39mdbus.service[0m - D-Bus System Message Bus... Starting [0;1;39me2scrub_reap.serv…e ext4 Metadata Check Snapshots... Starting [0;1;39msystemd-logind.se…ice[0m - User Login Management... [[0;32m OK [0m] Started [0;1;39msystemd-networkd.service[0m - Network Configuration. [[0;32m OK [0m] Reached target [0;1;39mnetwork.target[0m - Network. [[0;32m OK [0m] Listening on [0;1;39msystemd-rfkil…l Switch Status /dev/rfkill Watch. Starting [0;1;39msystemd-user-sess…vice[0m - Permit User Sessions... [[0;32m OK [0m] Finished [0;1;39msystemd-user-sess…ervice[0m - Permit User Sessions. [[0;32m OK [0m] Started [0;1;39mgetty@tty1.service[0m - Getty on tty1. [[0;32m OK [0m] Started [0;1;39mserial-getty@ttyAM…ice[0m - Serial Getty on ttyAMA0. [[0;32m OK [0m] Reached target [0;1;39mgetty.target[0m - Login Prompts. [[0;32m OK [0m] Started [0;1;39mdbus.service[0m - D-Bus System Message Bus. [[0;32m OK [0m] Finished [0;1;39me2scrub_reap.serv…ine ext4 Metadata Check Snapshots. [[0;32m OK [0m] Started [0;1;39msystemd-logind.service[0m - User Login Management. [[0;32m OK [0m] Reached target [0;1;39mmulti-user.target[0m - Multi-User System. [[0;32m OK [0m] Reached target [0;1;39mgraphical.target[0m - Graphical Interface. Starting [0;1;39msystemd-hostnamed.service[0m - Hostname Service... Starting [0;1;39msystemd-update-ut… Record Runlevel Change in UTMP... [[0;32m OK [0m] Finished [0;1;39msystemd-update-ut… - Record Runlevel Change in UTMP. [[0;32m OK [0m] Started [0;1;39msystemd-hostnamed.service[0m - Hostname Service. Debian GNU/Linux 12 debian-bookworm-arm64 ttyAMA0 debian-bookworm-arm64 login: root (automatic login) Linux debian-bookworm-arm64 5.10.214-cip46 #1 SMP PREEMPT Tue Apr 23 01:39:32 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/175262/extract-nfsrootfs-zv8vmf6y' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/175262/extract-nfsrootfs-zv8vmf6y' / # export NFS_SERVER_IP='192.168.56.230' export NFS_SERVER_IP='192.168.5<4>[ 66.635268] arm-smmu 2b600000.iommu: deferred probe timeout, ignoring dependency <4>[ 66.643045] arm-smmu: probe of 2b600000.iommu failed with error -110 6.23<4>[ 67.143253] amba 20010000.etf: deferred probe timeout, ignoring dependency <4>[ 67.150650] amba 20030000.tpiu: deferred probe timeout, ignoring dependency <4>[ 67.158019] amba 20040000.funnel: deferred probe timeout, ignoring dependency <4>[ 67.165567] amba 20070000.etr: deferred probe timeout, ignoring dependency <4>[ 67.172841] amba 20100000.stm: deferred probe timeout, ignoring dependency <4>[ 67.180116] amba 20120000.replicator: deferred probe timeout, ignoring dependency <4>[ 67.187999] amba 22010000.cpu-debug: deferred probe timeout, ignoring dependency <4>[ 67.195794] amba 22040000.etm: deferred probe timeout, ignoring dependency <4>[ 67.203083] amba 220c0000.funnel: deferred probe timeout, ignoring dependency <4>[ 67.210611] amba 22110000.cpu-debug: deferred probe timeout, ignoring dependency <4>[ 67.218400] amba 22140000.etm: deferred probe timeout, ignoring dependency <4>[ 67.225666] amba 23010000.cpu-debug: deferred probe timeout, ignoring dependency <4>[ 67.233452] amba 23040000.etm: deferred probe timeout, ignoring dependency <4>[ 67.240718] amba 230c0000.funnel: deferred probe timeout, ignoring dependency <4>[ 67.248244] amba 23110000.cpu-debug: deferred probe timeout, ignoring dependency <4>[ 67.256047] amba 23140000.etm: deferred probe timeout, ignoring dependency <4>[ 67.263348] amba 23210000.cpu-debug: deferred probe timeout, ignoring dependency <4>[ 67.271173] amba 23240000.etm: deferred probe timeout, ignoring dependency 0<4>[ 67.278450] amba 23310000.cpu-debug: deferred probe timeout, ignoring dependency <4>[ 67.286280] amba 23340000.etm: deferred probe timeout, ignoring dependency ' / # # # / # export SHELL=/bin/bash export SHELL=/bin/bash / # . /lava-175262/environment . /lava-175262/environment / # /lava-175262/bin/lava-test-runner /lava-175262/0 /lava-175262/bin/lava-test-runner /lava-175262/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-175262/0/tests/0_timesync-off ++ cat uuid + UUID=175262_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-175262/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=175262_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/v5.10.214-cip46-53-g8d30097d1ea5/arm64/defconfig+kselftest/gcc-10/kselftest.tar.xz -L '' -S /dev/null -b juno-uboot -g cip -e '' -p /opt/kselftests/mainline/ -n 1 -i 1 INFO: install_deps skipped --2024-04-23 04:00:23-- http://storage.kernelci.org/cip/linux-5.10.y-cip/v5.10.214-cip46-53-g8d30097d1ea5/arm64/defconfig+kselftest/gcc-10/kselftest.tar.xz Resolving storage.kernelci.org (storage.kernelci.org)... 20.171.243.82 Connecting to storage.kernelci.org (storage.kernelci.org)|20.171.243.82|:80... connected. HTTP request sent, awaiting response... 200 OK Length: 1677888 (1.6M) [application/octet-stream] Saving to: 'kselftest_armhf.tar.gz' kselftest_armhf.tar 0%[ ] 0 --.-KB/s kselftest_armhf.tar 2%[ ] 37.70K 116KB/s kselftest_armhf.tar 6%[> ] 105.20K 175KB/s kselftest_armhf.tar 10%[=> ] 165.67K 203KB/s kselftest_armhf.tar 13%[=> ] 219.10K 201KB/s kselftest_armhf.tar 16%[==> ] 275.35K 202KB/s kselftest_armhf.tar 20%[===> ] 337.23K 206KB/s kselftest_armhf.tar 24%[===> ] 399.10K 209KB/s kselftest_armhf.tar 28%[====> ] 460.98K 211KB/s kselftest_armhf.tar 32%[=====> ] 527.07K 215KB/s kselftest_armhf.tar 36%[======> ] 595.98K 218KB/s kselftest_armhf.tar 40%[=======> ] 667.70K 222KB/s eta 4s kselftest_armhf.tar 45%[========> ] 742.23K 227KB/s eta 4s kselftest_armhf.tar 49%[========> ] 818.17K 233KB/s eta 4s kselftest_armhf.tar 53%[=========> ] 878.64K 235KB/s eta 4s kselftest_armhf.tar 57%[==========> ] 937.70K 237KB/s eta 4s kselftest_armhf.tar 62%[===========> ] 1019K 251KB/s eta 3s kselftest_armhf.tar 67%[============> ] 1.08M 257KB/s eta 3s kselftest_armhf.tar 72%[=============> ] 1.17M 262KB/s eta 3s kselftest_armhf.tar 77%[==============> ] 1.24M 272KB/s eta 3s kselftest_armhf.tar 81%[===============> ] 1.30M 274KB/s eta 3s kselftest_armhf.tar 87%[================> ] 1.39M 285KB/s eta 1s kselftest_armhf.tar 91%[=================> ] 1.47M 294KB/s eta 1s kselftest_armhf.tar 96%[==================> ] 1.55M 305KB/s eta 1s kselftest_armhf.tar 100%[===================>] 1.60M 306KB/s in 6.0s 2024-04-23 04:00:30 (273 KB/s) - 'kselftest_armhf.tar.gz' saved [1677888/1677888] 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>[ 94.349646] 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>[ 95.942961] lkdtm: Performing direct entry BUG <4>[ 95.947998] ------------[ cut here ]------------ <2>[ 95.952915] kernel BUG at drivers/misc/lkdtm/bugs.c:76! <0>[ 95.958718] Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP <4>[ 95.965792] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 95.977572] CPU: 4 PID: 710 Comm: cat Tainted: G W 5.10.214-cip46 #1 <4>[ 95.985509] Hardware name: ARM Juno development board (r0) (DT) <4>[ 95.991710] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 95.998004] pc : lkdtm_BUG+0x8/0x10 <4>[ 96.001768] lr : lkdtm_do_action+0x24/0x40 <4>[ 96.006136] sp : ffff80001474bd10 <4>[ 96.009722] x29: ffff80001474bd10 x28: ffff000807c3b100 <4>[ 96.015324] x27: 0000000000000000 x26: 0000000000000000 <4>[ 96.020925] x25: ffff8000114da090 x24: ffff80001474be20 <4>[ 96.026526] x23: 0000000000000004 x22: ffff000808847000 <4>[ 96.032128] x21: ffff8000119eebc0 x20: ffff8000114da0a0 <4>[ 96.037729] x19: 0000000000000001 x18: ffff800012ac52d0 <4>[ 96.043330] x17: 0000000000000000 x16: 0000000000000000 <4>[ 96.048930] x15: 0000000000000028 x14: 0000000000047780 <4>[ 96.054531] x13: ffff8000129dbb50 x12: 000000004de90f98 <4>[ 96.060132] x11: ffff000807c3b988 x10: ffff8000125ebee0 <4>[ 96.065733] x9 : ffff800010a083b4 x8 : ffff800012593ee0 <4>[ 96.071334] x7 : ffff8000125ebee0 x6 : ffff800012565000 <4>[ 96.076934] x5 : ffff800012565c88 x4 : ffff00097ef90c68 <4>[ 96.082535] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 96.088136] x1 : ffff000807c3b100 x0 : ffff800010a08a60 <4>[ 96.093737] Call trace: <4>[ 96.096458] lkdtm_BUG+0x8/0x10 <4>[ 96.099873] direct_entry+0xd0/0x140 <4>[ 96.103725] full_proxy_write+0x68/0xbc <4>[ 96.107837] vfs_write+0xec/0x20c <4>[ 96.111425] ksys_write+0x70/0x100 <4>[ 96.115101] __arm64_sys_write+0x24/0x30 <4>[ 96.119302] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 96.124371] do_el0_svc+0x2c/0xa4 <4>[ 96.127961] el0_svc+0x20/0x30 <4>[ 96.131288] el0_sync_handler+0xb0/0xb4 <4>[ 96.135399] el0_sync+0x180/0x1c0 <0>[ 96.138992] Code: d503201f d503201f aa1e03e9 d503201f (d4210000) <4>[ 96.145369] ---[ end trace ee45f30151b01cd5 ]--- <6>[ 96.150264] note: cat[710] exited with preempt_count 1 <3>[ 96.155680] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 96.164840] in_atomic(): 0, irqs_disabled(): 128, non_block: 0, pid: 710, name: cat <4>[ 96.172778] INFO: lockdep is turned off. <4>[ 96.176975] irq event stamp: 1930 <4>[ 96.180568] hardirqs last enabled at (1929): [] console_unlock+0x530/0x694 <4>[ 96.189382] hardirqs last disabled at (1930): [] el1_dbg+0x24/0x50 <4>[ 96.197412] softirqs last enabled at (1926): [] __do_softirq+0x4e8/0x568 <4>[ 96.206053] softirqs last disabled at (1921): [] __irq_exit_rcu+0x174/0x1a0 <4>[ 96.214867] CPU: 4 PID: 710 Comm: cat Tainted: G D W 5.10.214-cip46 #1 <4>[ 96.222805] Hardware name: ARM Juno development board (r0) (DT) <4>[ 96.229003] Call trace: <4>[ 96.231722] dump_backtrace+0x0/0x200 <4>[ 96.235660] show_stack+0x20/0x30 <4>[ 96.239250] dump_stack+0x110/0x160 <4>[ 96.243015] ___might_sleep+0x140/0x210 <4>[ 96.247126] __might_sleep+0x5c/0x94 <4>[ 96.250979] exit_signals+0x34/0x250 <4>[ 96.254830] do_exit+0xd0/0xb10 <4>[ 96.258247] make_task_dead+0x5c/0x90 <4>[ 96.262185] die+0x22c/0x26c <4>[ 96.265339] bug_handler+0x58/0x80 <4>[ 96.269016] call_break_hook+0x70/0x84 <4>[ 96.273041] brk_handler+0x24/0x64 <4>[ 96.276720] do_debug_exception+0xd4/0x150 <4>[ 96.281094] el1_dbg+0x34/0x50 <4>[ 96.284424] el1_sync_handler+0xc8/0xe4 <4>[ 96.288535] el1_sync+0x88/0x140 <4>[ 96.292040] lkdtm_BUG+0x8/0x10 <4>[ 96.295456] direct_entry+0xd0/0x140 <4>[ 96.299308] full_proxy_write+0x68/0xbc <4>[ 96.303421] vfs_write+0xec/0x20c <4>[ 96.307011] ksys_write+0x70/0x100 <4>[ 96.310688] __arm64_sys_write+0x24/0x30 <4>[ 96.314889] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 96.319960] do_el0_svc+0x2c/0xa4 <4>[ 96.323551] el0_svc+0x20/0x30 <4>[ 96.326880] el0_sync_handler+0xb0/0xb4 <4>[ 96.330992] el0_sync+0x180/0x1c0 <4>[ 96.335260] ------------[ cut here ]------------ <4>[ 96.340172] WARNING: CPU: 4 PID: 0 at kernel/rcu/tree.c:625 rcu_eqs_enter.constprop.0+0xfc/0x150 # Segmentation fault <4>[ 96.349242] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 96.362827] CPU: 4 PID: 0 Comm: swapper/4 Tainted: G D W 5.10.214-cip46 #1 <4>[ 96.371120] Hardware name: ARM Juno development board (r0) (DT) <4>[ 96.377326] pstate: 200003c5 (nzCv DAIF -PAN -UAO -TCO BTYPE=--) <4>[ 96.383620] pc : rcu_eqs_enter.constprop.0+0xfc/0x150 <4>[ 96.388954] lr : rcu_idle_enter+0x24/0xf4 <4>[ 96.393236] sp : ffff800013633e90 # [ 95.<4>[ 96.396824] x29: ffff800013633e90 x28: 0000000000000000 <4>[ 96.403179] x27: 0000000000000000 x26: 0000000000000001 942961] lkdtm: Performing direct <4>[ 96.408781] x25: 0000000000000001 x24: 000000166e070a38 entry BUG # [ 95.947998] -----<4>[ 96.417224] x23: 0000000000000001 x22: ffff00080749e080 -------[ cut here ]------------ <4>[ 96.425670] x21: ffff00097efa41c0 x20: ffff800011db3400 # [ 95.952915] kernel BUG at dr<4>[ 96.434114] x19: ffff00097efa6400 x18: 0000000000000000 ivers/misc/lkdtm/bugs.c:76! # [ <4>[ 96.442558] x17: 0000000000000000 x16: 0000000000000000 95.958718] Internal error: Oop<4>[ 96.451001] x15: 00000000000003fa x14: 00000000000003fb s - BUG: 00000000f2000800 [#1] PR<4>[ 96.459357] x13: 0000000000000873 x12: 071c71c71c71c71c EEMPT SMP # [ 95.965792] Modul<4>[ 96.467800] x11: 0000000000000873 x10: ffff00097efa452c es linked in: cfg80211 rfkill fus<4>[ 96.476243] x9 : ffff800010e3b060 x8 : 0000000000000000 e dm_mod ip_tables x_tables crct1<4>[ 96.484689] x7 : ffff00097efa454c x6 : 00000001b5d6f4aa 0dif_ce tda998x cec drm_kms_helpe<4>[ 96.493133] x5 : 00ffffffffffffff x4 : 0000000000000015 r drm smsc # [ 95.977572] CPU:<4>[ 96.501577] x3 : 0000000004575ce8 x2 : 0000000000000004 4 PID: 710 Comm: cat Tainted: G <4>[ 96.510020] x1 : 4000000000000002 x0 : 4000000000000000 W 5.10.214-cip46 #<4>[ 96.518465] Call trace: 1 # [ 95.985509] Hardware name<4>[ 96.524046] rcu_eqs_enter.constprop.0+0xfc/0x150 : ARM Juno development board (r0)<4>[ 96.531879] rcu_idle_enter+0x24/0xf4 (DT) # [ 95.991710] pstate: 6<4>[ 96.538671] cpuidle_enter_state+0x22c/0x31c 0000005 (nZCv daif -PAN -UAO -TCO<4>[ 96.546070] cpuidle_enter+0x40/0x60 BTYPE=--) # [ 95.998004] pc :<4>[ 96.552774] do_idle+0x240/0x2d0 lkdtm_BUG+0x8/0x10 # [ 96.001<4>[ 96.559130] cpu_startup_entry+0x30/0x6c 768] lr : lkdtm_do_action+0x24/0x<4>[ 96.566181] secondary_start_kernel+0x14c/0x1a0 40 # [ 96.006136] sp : ffff800<4>[ 96.573837] irq event stamp: 221598 01474bd10 # [ 96.009722] x29: <4>[ 96.580460] hardirqs last enabled at (221597): [] tick_nohz_idle_exit+0x78/0x19c ffff80001474bd10 x28: ffff000807c<4>[ 96.592650] hardirqs last disabled at (221598): [] __schedule+0x35c/0x950 3b100 # [ 96.015324] x27: 000<4>[ 96.604134] softirqs last enabled at (221594): [] __do_softirq+0x4e8/0x568 0000000000000 x26: 00000000000000<4>[ 96.615797] softirqs last disabled at (221587): [] __irq_exit_rcu+0x174/0x1a0 00 # [ 96.020925] x25: ffff80<4>[ 96.627630] ---[ end trace ee45f30151b01cd6 ]--- 00114da090 x24: ffff80001474be20 # [ 96.026526] x23: 0000000000000004 x22: ffff000808847000 # [ 96.032128] x21: ffff8000119eebc0 x20: ffff8000114da0a0 # [ 96.037729] x19: 0000000000000001 x18: ffff800012ac52d0 # [ 96.043330] x17: 0000000000000000 x16: 0000000000000000 # [ 96.048930] x15: 0000000000000028 x14: 0000000000047780 # [ 96.054531] x13: ffff8000129dbb50 x12: 000000004de90f98 # [ 96.060132] x11: ffff000807c3b988 x10: ffff8000125ebee0 # [ 96.065733] x9 : ffff800010a083b4 x8 : ffff800012593ee0 # [ 96.071334] x7 : ffff8000125ebee0 x6 : ffff800012565000 # [ 96.076934] x5 : ffff800012565c88 x4 : ffff00097ef90c68 # [ 96.082535] x3 : 0000000000000000 x2 : 0000000000000000 # [ 96.088136] x1 : ffff000807c3b100 x0 : ffff800010a08a60 # [ 96.093737] Call trace: # [ 96.096458] lkdtm_BUG+0x8/0x10 # [ 96.099873] direct_entry+0xd0/0x140 # [ 96.103725] full_proxy_write+0x68/0xbc # [ 96.107837] vfs_write+0xec/0x20c # [ 96.111425] ksys_write+0x70/0x100 # [ 96.115101] __arm64_sys_write+0x24/0x30 # [ 96.119302] el0_svc_common.constprop.0+0x84/0x1e0 # [ 96.124371] do_el0_svc+0x2c/0xa4 # [ 96.127961] el0_svc+0x20/0x30 # [ 96.131288] el0_sync_handler+0xb0/0xb4 # [ 96.135399] el0_sync+0x180/0x1c0 # [ 96.138992] Code: d503201f d503201f aa1e03e9 d503201f (d4210000) # [ 96.145369] ---[ end trace ee45f30151b01cd5 ]--- # [ 96.150264] note: cat[710] exited with preempt_count 1 # [ 96.155680] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 96.164840] in_atomic(): 0, irqs_disabled(): 128, non_block: 0, pid: 710, name: cat # [ 96.172778] INFO: lockdep is turned off. # [ 96.176975] irq event stamp: 1930 # [ 96.180568] hardirqs last enabled at (1929): [] console_unlock+0x530/0x694 # [ 96.189382] hardirqs last disabled at (1930): [] el1_dbg+0x24/0x50 # [ 96.197412] softirqs last enabled at (1926): [] __do_softirq+0x4e8/0x568 # [ 96.206053] softirqs last disabled at (1921): [<<6>[ 96.816483] lkdtm: Performing direct entry WARNING ffff8000100a7784>] __irq_exit_rc<4>[ 96.823900] ------------[ cut here ]------------ u+0x174/0x1a0 # [ 96.214867] <4>[ 96.831449] WARNING: CPU: 4 PID: 750 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x28/0x34 CPU: 4 PID: 710 Comm: cat Tainte<4>[ 96.842920] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc d: G D W 5.10.214-c<4>[ 96.857374] CPU: 4 PID: 750 Comm: cat Tainted: G D W 5.10.214-cip46 #1 ip46 #1 # [ 96.222805] Hardwa<4>[ 96.868073] Hardware name: ARM Juno development board (r0) (DT) re name: ARM Juno development bo<4>[ 96.877043] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) ard (r0) (DT) # [ 96.229003] <4>[ 96.886096] pc : lkdtm_WARNING+0x28/0x34 Call trace: # [ 96.231722] d<4>[ 96.893059] lr : lkdtm_do_action+0x24/0x40 ump_backtrace+0x0/0x200 # [ 9<4>[ 96.900192] sp : ffff8000147cbd10 6.235660] show_stack+0x20/0x30 <4>[ 96.906546] x29: ffff8000147cbd10 x28: ffff000804a06200 # [ 96.239250] dump_stack+0x<4>[ 96.914902] x27: 0000000000000000 x26: 0000000000000000 110/0x160 # [ 96.243015] ___<4>[ 96.923257] x25: ffff8000114da090 x24: ffff8000147cbe20 might_sleep+0x140/0x210 # [ 9<4>[ 96.931612] x23: 0000000000000008 x22: ffff000802b2e000 6.247126] __might_sleep+0x5c/0x<4>[ 96.939967] x21: ffff8000119eebc8 x20: ffff8000114da0b0 94 # [ 96.250979] exit_signa<4>[ 96.948323] x19: 0000000000000002 x18: 0000000000000000 ls+0x34/0x250 # [ 96.254830] <4>[ 96.956679] x17: 0000000000000000 x16: 0000000000000000 do_exit+0xd0/0xb10 # [ 96.25<4>[ 96.965035] x15: 0000000000000030 x14: ffffffffffffffff 8247] make_task_dead+0x5c/0x90 <4>[ 96.973391] x13: ffff8000947cba0a x12: ffff8000147cba12 # [ 96.262185] die+0x22c/0x2<4>[ 96.981747] x11: ffff800012593d40 x10: ffff8000125ebee0 6c # [ 96.265339] bug_handle<4>[ 96.990101] x9 : ffff800010a083b4 x8 : ffff800012593ee0 r+0x58/0x80 # [ 96.269016] c<4>[ 96.998457] x7 : ffff8000125ebee0 x6 : ffff800012565000 all_break_hook+0x70/0x84 # [ <4>[ 97.006812] x5 : ffff800012565c88 x4 : ffff00097ef90c68 96.273041] brk_handler+0x24/0x6<4>[ 97.015168] x3 : 0000000000000000 x2 : 0000000000000000 4 # [ 96.276720] do_debug_ex<4>[ 97.023523] x1 : ffff8000134a9000 x0 : 0000000000000001 ception+0xd4/0x150 # [ 96.281<4>[ 97.031879] Call trace: 094] el1_dbg+0x34/0x50 # [ 9<4>[ 97.037369] lkdtm_WARNING+0x28/0x34 6.284424] el1_sync_handler+0xc8<4>[ 97.043983] direct_entry+0xd0/0x140 /0xe4 # [ 96.288535] el1_syn<4>[ 97.050599] full_proxy_write+0x68/0xbc c+0x88/0x140 # [ 96.292040] <4>[ 97.057475] vfs_write+0xec/0x20c lkdtm_BUG+0x8/0x10 # [ 96.295<4>[ 97.063828] ksys_write+0x70/0x100 456] direct_entry+0xd0/0x140 #<4>[ 97.070269] __arm64_sys_write+0x24/0x30 [ 96.299308] full_proxy_writ<4>[ 97.077235] el0_svc_common.constprop.0+0x84/0x1e0 e+0x68/0xbc # [ 96.303421] v<4>[ 97.085067] do_el0_svc+0x2c/0xa4 fs_write+0xec/0x20c # [ 96.30<4>[ 97.091422] el0_svc+0x20/0x30 7011] ksys_write+0x70/0x100 # <4>[ 97.097513] el0_sync_handler+0xb0/0xb4 [ 96.310688] __arm64_sys_writ<4>[ 97.104389] el0_sync+0x180/0x1c0 e+0x24/0x30 # [ 96.314889] e<4>[ 97.110741] irq event stamp: 0 l0_svc_common.constprop.0+0x84/0<4>[ 97.116839] hardirqs last enabled at (0): [<0000000000000000>] 0x0 x1e0 # [ 96.319960] do_el0_s<4>[ 97.126153] hardirqs last disabled at (0): [] copy_process+0x5d4/0x1de0 vc+0x2c/0xa4 # [ 96.323551] <4>[ 97.137379] softirqs last enabled at (0): [] copy_process+0x5d4/0x1de0 el0_svc+0x20/0x30 # [ 96.3268<4>[ 97.148604] softirqs last disabled at (0): [<0000000000000000>] 0x0 80] el0_sync_handler+0xb0/0xb4 <4>[ 97.157913] ---[ end trace ee45f30151b01cd7 ]--- # [ 96.330992] el0_sync+0x180/0x1c0 # [ 96.335260] ------------[ cut here ]------------ # [ 96.340172] WARNING: CPU: 4 PID: 0 at kernel/rcu/tree.c:625 rcu_eqs_enter.constprop.0+0xfc/0x150 # [ 96.349242] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 96.362827] CPU: 4 PID: 0 Comm: swapper/4 Tainted: G D W 5.10.214-cip46 #1 # [ 96.371120] Hardware name: ARM Juno development board (r0) (DT) # BUG: saw 'kernel BUG at': ok ok 2 selftests: lkdtm: BUG.sh # selftests: lkdtm: WARNING.sh # [ 96.816483] lkdtm: Performing direct entry WARNING # [ 96.823900] ------------[ cut here ]------------ # [ 96.831449] WARNING: CPU: 4 PID: 750 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x28/0x34 # [ 96.842920] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 96.857374] CPU: 4 PID: 750 Comm: cat Tainted: G D W 5.10.214-cip46 #1 # [ 96.868073] Hardware name: ARM Juno development board (r0) (DT) # [ 96.877043] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 96.886096] pc : lkdtm_WARNING+0x28/0x34 # [ 96.893059] lr : lkdtm_do_action+0x24/0x40 # [ 96.900192] sp : ffff8000147cbd10 # [ 96.906546] x29: ffff8000147cbd10 x28: ffff000804a06200 # [ 96.914902] x27: 0000000000000000 x26: 0000000000000000 # [ 96.923257] x25: ffff8000114da090 x24: ffff8000147cbe20 # [ 96.931612] x23: 0000000000000008 x22: ffff000802b2e000 # [ 96.939967] x21: ffff8000119eebc8 x20: ffff8000114da0b0 # [ 96.948323] x19: 0000000000000002 x18: 0000000000000000 # [ 96.956679] x17: 0000000000000000 x16: 0000000000000000 # [ 96.965035] x15: 0000000000000030 x14: ffffffffffffffff # [ 96.973391] x13: ffff8000947cba0a x12: ffff8000147cba12 # [ 96.981747] x11: ffff800012593d40 x10: ffff8000125ebee0 # [ 96.990101] x9 : ffff800010a083b4 x8 : ffff800012593ee0 # [ 96.998457] x7 : ffff8000125ebee0 x6 : ffff800012565000 # [ 97.006812] x5 : ffff800012565c88 x4 : ffff00097ef90c68 # [ 97.015168] x3 : 0000000000000000 x2 : 0000000000000000 # [ 97.023523] x1 : ffff8000134a9000 x0 : 0000000000000001 # [ 97.031879] Call trace: # [ 97.037369] lkdtm_WARNING+0x28/0x34 # [ 97.043983] direct_entry+0xd0/0x140 # [ 97.050599] full_proxy_write+0x68/0xbc # [ 97.057475] vfs_write+0xec/0x20c # [ 97.063828] ksys_write+0x70/0x100 # [ 97.070269] __arm64_sys_write+0x24/0x30 # [ 97.077235] el0_svc_common.constprop.0+0x84/0x1e0 # [ 97.085067] do_el0_svc+0x2c/0xa4 # [ 97.091422] el0_svc+0x20/0x30 # [ 97.097513] el0_sync_handler+0xb0/0xb4 # [ 97.104389] el0_sync+0x180/0x1c0 # [ 97.110741] irq event stamp: 0 # [ 97.116839] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 97.126153] hardirqs last disabled at (0): [] copy_process+0x5d4/0x1de0 # [ 97.137379] softirqs last enabled at (0): [] copy_process+0x5d4/0x1de0 # [ 97.148604] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 97.157913] ---[ end trace ee45f30151b01cd7 ]--- # WARNING: saw 'WARNING:': ok ok 3 selftests: lkdtm: WARNING.sh # selftests: lkdtm: WARNING_MESSAGE.sh <6>[ 97.586459] lkdtm: Performing direct entry WARNING_MESSAGE <4>[ 97.592281] ------------[ cut here ]------------ <4>[ 97.597211] Warning message trigger count: 2 <4>[ 97.601832] WARNING: CPU: 2 PID: 786 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x30/0x40 <4>[ 97.611245] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 97.622997] CPU: 2 PID: 786 Comm: cat Tainted: G D W 5.10.214-cip46 #1 <4>[ 97.630930] Hardware name: ARM Juno development board (r0) (DT) <4>[ 97.637125] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 97.643408] pc : lkdtm_WARNING_MESSAGE+0x30/0x40 <4>[ 97.648297] lr : lkdtm_WARNING_MESSAGE+0x30/0x40 <4>[ 97.653183] sp : ffff80001485bd00 <4>[ 97.656764] x29: ffff80001485bd00 x28: ffff000807e38000 <4>[ 97.662359] x27: 0000000000000000 x26: 0000000000000000 <4>[ 97.667952] x25: ffff8000114da090 x24: ffff80001485be20 <4>[ 97.673544] x23: 0000000000000010 x22: ffff000807d24000 <4>[ 97.679136] x21: ffff8000119eebd0 x20: ffff8000114da0c0 <4>[ 97.684728] x19: 0000000000000003 x18: 0000000000000000 <4>[ 97.690319] x17: 0000000000000000 x16: 0000000000000000 <4>[ 97.695911] x15: 0000000000000030 x14: ffffffffffffffff <4>[ 97.701502] x13: ffff80009485b9aa x12: ffff80001485b9b2 <4>[ 97.707093] x11: ffff800012593d40 x10: ffff8000125ebee0 <4>[ 97.712685] x9 : ffff80001012c294 x8 : ffff800012593ee0 <4>[ 97.718276] x7 : ffff8000125ebee0 x6 : ffff800012565000 <4>[ 97.723868] x5 : ffff800012565c88 x4 : ffff00097ef4cc68 <4>[ 97.729459] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 97.735050] x1 : 0000000000000000 x0 : ffff000807e38000 <4>[ 97.740642] Call trace: <4>[ 97.743356] lkdtm_WARNING_MESSAGE+0x30/0x40 <4>[ 97.747898] lkdtm_do_action+0x24/0x40 <4>[ 97.751917] direct_entry+0xd0/0x140 <4>[ 97.755763] full_proxy_write+0x68/0xbc <4>[ 97.759869] vfs_write+0xec/0x20c <4>[ 97.763452] ksys_write+0x70/0x100 <4>[ 97.767122] __arm64_sys_write+0x24/0x30 <4>[ 97.771316] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 97.776379] do_el0_svc+0x2c/0xa4 <4>[ 97.779963] el0_svc+0x20/0x30 <4>[ 97.783285] el0_sync_handler+0xb0/0xb4 <4>[ 97.787390] el0_sync+0x180/0x1c0 <4>[ 97.790970] irq event stamp: 0 <4>[ 97.794294] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 97.800839] hardirqs last disabled at (0): [] copy_process+0x5d4/0x1de0 <4>[ 97.809297] softirqs last enabled at (0): [] copy_process+0x5d4/0x1de0 <4>[ 97.817753] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 97.824293] ---[ end trace ee45f30151b01cd8 ]--- # [ 97.586459] lkdtm: Performing direct entry WARNING_MESSAGE # [ 97.592281] ------------[ cut here ]------------ # [ 97.597211] Warning message trigger count: 2 # [ 97.601832] WARNING: CPU: 2 PID: 786 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x30/0x40 # [ 97.611245] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 97.622997] CPU: 2 PID: 786 Comm: cat Tainted: G D W 5.10.214-cip46 #1 # [ 97.630930] Hardware name: ARM Juno development board (r0) (DT) # [ 97.637125] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 97.643408] pc : lkdtm_WARNING_MESSAGE+0x30/0x40 # [ 97.648297] lr : lkdtm_WARNING_MESSAGE+0x30/0x40 # [ 97.653183] sp : ffff80001485bd00 # [ 97.656764] x29: ffff80001485bd00 x28: ffff000807e38000 # [ 97.662359] x27: 0000000000000000 x26: 0000000000000000 # [ 97.667952] x25: ffff8000114da090 x24: ffff80001485be20 # [ 97.673544] x23: 0000000000000010 x22: ffff000807d24000 # [ 97.679136] x21: ffff8000119eebd0 x20: ffff8000114da0c0 # [ 97.684728] x19: 0000000000000003 x18: 0000000000000000 # [ 97.690319] x17: 0000000000000000 x16: 0000000000000000 # [ 97.695911] x15: 0000000000000030 x14: ffffffffffffffff # [ 97.701502] x13: ffff80009485b9aa x12: ffff80001485b9b2 # [ 97.707093] x11: ffff800012593d40 x10: ffff8000125ebee0 # [ 97.712685] x9 : ffff80001012c294 x8 : ffff800012593ee0 # [ 97.718276] x7 : ffff8000125ebee0 x6 : ffff800012565000 # [ 97.723868] x5 : ffff800012565c88 x4 : ffff00097ef4cc68 # [ 97.729459] x3 : 0000000000000000 x2 : 0000000000000000 # [ 97.735050] x1 : 0000000000000000 x0 : ffff000807e38000 # [ 97.740642] Call trace: # [ 97.743356] lkdtm_WARNING_MESSAGE+0x30/0x40 # [ 97.747898] lkdtm_do_action+0x24/0x40 # [ 97.751917] direct_entry+0xd0/0x140 # [ 97.755763] full_proxy_write+0x68/0xbc # [ 97.759869] vfs_write+0xec/0x20c # [ 97.763452] ksys_write+0x70/0x100 # [ 97.767122] __arm64_sys_write+0x24/0x30 # [ 97.771316] el0_svc_common.constprop.0+0x84/0x1e0 # [ 97.776379] do_el0_svc+0x2c/0xa4 # [ 97.779963] el0_svc+0x20/0x30 # [ 97.783285] el0_sync_handler+0xb0/0xb4 # [ 97.787390] el0_sync+0x180/0x1c0 # [ 97.790970] irq event stamp: 0 # [ 97.794294] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 97.800839] hardirqs last disabled at (0): [] copy_process+0x5d4/0x1de0 # [ 97.809297] softirqs last enabled at (0): [] copy_process+0x5d4/0x1de0 # [ 97.817753] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 97.824293] ---[ end trace ee45f30151b01cd8 ]--- # WARNING_MESSAGE: saw 'message trigger': ok ok 4 selftests: lkdtm: WARNING_MESSAGE.sh # selftests: lkdtm: EXCEPTION.sh <6>[ 98.214605] lkdtm: Performing direct entry EXCEPTION <1>[ 98.220018] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000 <1>[ 98.229180] Mem abort info: <1>[ 98.232902] ESR = 0x96000044 <1>[ 98.236543] EC = 0x25: DABT (current EL), IL = 32 bits <1>[ 98.242174] SET = 0, FnV = 0 <1>[ 98.245520] EA = 0, S1PTW = 0 <1>[ 98.248950] Data abort info: <1>[ 98.252117] ISV = 0, ISS = 0x00000044 <1>[ 98.256245] CM = 0, WnR = 1 <1>[ 98.259515] user pgtable: 4k pages, 48-bit VAs, pgdp=0000000884710000 <1>[ 98.266255] [0000000000000000] pgd=0000000000000000, p4d=0000000000000000 <0>[ 98.273359] Internal error: Oops: 0000000096000044 [#2] PREEMPT SMP <4>[ 98.279904] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 98.291657] CPU: 1 PID: 819 Comm: cat Tainted: G D W 5.10.214-cip46 #1 <4>[ 98.299595] Hardware name: ARM Juno development board (r0) (DT) <4>[ 98.305795] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 98.312084] pc : lkdtm_EXCEPTION+0x14/0x1c <4>[ 98.316456] lr : lkdtm_do_action+0x24/0x40 <4>[ 98.320823] sp : ffff8000148dbd10 <4>[ 98.324407] x29: ffff8000148dbd10 x28: ffff000804a03100 <4>[ 98.330002] x27: 0000000000000000 x26: 0000000000000000 <4>[ 98.335595] x25: ffff8000114da090 x24: ffff8000148dbe20 <4>[ 98.341186] x23: 000000000000000a x22: ffff00080476e000 <4>[ 98.346777] x21: ffff8000119eebe0 x20: ffff8000114da0d0 <4>[ 98.352369] x19: 0000000000000004 x18: 0000000000000000 <4>[ 98.357960] x17: 0000000000000000 x16: 0000000000000000 <4>[ 98.363552] x15: 0000000000000030 x14: ffffffffffffffff <4>[ 98.369144] x13: ffff8000948dba0a x12: ffff8000148dba12 <4>[ 98.374735] x11: ffff800012593d40 x10: 0000000000001440 <4>[ 98.380326] x9 : ffff800010a083b4 x8 : 0000000000000000 <4>[ 98.385918] x7 : 0000000000000000 x6 : ffff800012565000 <4>[ 98.391509] x5 : ffff800012565c88 x4 : ffff00097ef08c68 <4>[ 98.397101] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 98.402692] x1 : ffff000804a03100 x0 : 0000000000000000 <4>[ 98.408284] Call trace: <4>[ 98.410999] lkdtm_EXCEPTION+0x14/0x1c <4>[ 98.415017] direct_entry+0xd0/0x140 <4>[ 98.418863] full_proxy_write+0x68/0xbc <4>[ 98.422969] vfs_write+0xec/0x20c <4>[ 98.426551] ksys_write+0x70/0x100 <4>[ 98.430221] __arm64_sys_write+0x24/0x30 <4>[ 98.434415] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 98.439478] do_el0_svc+0x2c/0xa4 <4>[ 98.443062] el0_svc+0x20/0x30 <4>[ 98.446383] el0_sync_handler+0xb0/0xb4 <4>[ 98.450488] el0_sync+0x180/0x1c0 <0>[ 98.454073] Code: d503201f d2800000 d503233f d50323bf (b900001f) <4>[ 98.460443] ---[ end trace ee45f30151b01cd9 ]--- # Segmentation fault # [ 98.214605] lkdtm: Performing direct entry EXCEPTION # [ 98.220018] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000 # [ 98.229180] Mem abort info: # [ 98.232902] ESR = 0x96000044 # [ 98.236543] EC = 0x25: DABT (current EL), IL = 32 bits # [ 98.242174] SET = 0, FnV = 0 # [ 98.245520] EA = 0, S1PTW = 0 # [ 98.248950] Data abort info: # [ 98.252117] ISV = 0, ISS = 0x00000044 # [ 98.256245] CM = 0, WnR = 1 # [ 98.259515] user pgtable: 4k pages, 48-bit VAs, pgdp=0000000884710000 # [ 98.266255] [0000000000000000] pgd=0000000000000000, p4d=0000000000000000 # [ 98.273359] Internal error: Oops: 0000000096000044 [#2] PREEMPT SMP # [ 98.279904] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 98.291657] CPU: 1 PID: 819 Comm: cat Tainted: G D W 5.10.214-cip46 #1 # [ 98.299595] Hardware name: ARM Juno development board (r0) (DT) # [ 98.305795] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 98.312084] pc : lkdtm_EXCEPTION+0x14/0x1c # [ 98.316456] lr : lkdtm_do_action+0x24/0x40 # [ 98.320823] sp : ffff8000148dbd10 # [ 98.324407] x29: ffff8000148dbd10 x28: ffff000804a03100 # [ 98.330002] x27: 0000000000000000 x26: 0000000000000000 # [ 98.335595] x25: ffff8000114da090 x24: ffff8000148dbe20 # [ 98.341186] x23: 000000000000000a x22: ffff00080476e000 # [ 98.346777] x21: ffff8000119eebe0 x20: ffff8000114da0d0 # [ 98.352369] x19: 0000000000000004 x18: 0000000000000000 # [ 98.357960] x17: 0000000000000000 x16: 0000000000000000 # [ 98.363552] x15: 0000000000000030 x14: ffffffffffffffff # [ 98.369144] x13: ffff8000948dba0a x12: ffff8000148dba12 # [ 98.374735] x11: ffff800012593d40 x10: 0000000000001440 # [ 98.380326] x9 : ffff800010a083b4 x8 : 0000000000000000 # [ 98.385918] x7 : 0000000000000000 x6 : ffff800012565000 # [ 98.391509] x5 : ffff800012565c88 x4 : ffff00097ef08c68 # [ 98.397101] x3 : 0000000000000000 x2 : 0000000000000000 # [ 98.402692] x1 : ffff000804a03100 x0 : 0000000000000000 # [ 98.408284] Call trace: # [ 98.410999] lkdtm_EXCEPTION+0x14/0x1c # [ 98.415017] direct_entry+0xd0/0x140 # [ 98.418863] full_proxy_write+0x68/0xbc # [ 98.422969] vfs_write+0xec/0x20c # [ 98.426551] ksys_write+0x70/0x100 # [ 98.430221] __arm64_sys_write+0x24/0x30 # [ 98.434415] el0_svc_common.constprop.0+0x84/0x1e0 # [ 98.439478] do_el0_svc+0x2c/0xa4 # [ 98.443062] el0_svc+0x20/0x30 # [ 98.446383] el0_sync_handler+0xb0/0xb4 # [ 98.450488] el0_sync+0x180/0x1c0 # [ 98.454073] Code: d503201f d2800000 d503233f d50323bf (b900001f) # [ 98.460443] ---[ end trace ee45f30151b01cd9 ]--- # 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>[ 99.739005] lkdtm: Performing direct entry CORRUPT_LIST_ADD <6>[ 99.744965] lkdtm: attempting good list addition <6>[ 99.749919] lkdtm: attempting corrupted list addition <3>[ 99.755298] lkdtm: list_add() corruption not detected! # [ 99.739005] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 99.744965] lkdtm: attempting good list addition # [ 99.749919] lkdtm: attempting corrupted list addition # [ 99.755298] 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>[ 100.228430] lkdtm: Performing direct entry CORRUPT_LIST_DEL <6>[ 100.234335] lkdtm: attempting good list removal <6>[ 100.239205] lkdtm: attempting corrupted list removal <3>[ 100.244495] lkdtm: list_del() corruption not detected! # [ 100.228430] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 100.234335] lkdtm: attempting good list removal # [ 100.239205] lkdtm: attempting corrupted list removal # [ 100.244495] 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>[ 100.629004] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING <6>[ 100.635648] lkdtm: attempting bad read from page below current stack <1>[ 100.642364] Unable to handle kernel paging request at virtual address ffff800014c67fff <1>[ 100.650631] Mem abort info: <1>[ 100.653859] ESR = 0x96000007 <1>[ 100.657236] EC = 0x25: DABT (current EL), IL = 32 bits <1>[ 100.662847] SET = 0, FnV = 0 <1>[ 100.666193] EA = 0, S1PTW = 0 <1>[ 100.669620] Data abort info: <1>[ 100.672791] ISV = 0, ISS = 0x00000007 <1>[ 100.676915] CM = 0, WnR = 0 <1>[ 100.680170] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081dad000 <1>[ 100.687168] [ffff800014c67fff] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=0000000884011003, pte=0000000000000000 <0>[ 100.700053] Internal error: Oops: 0000000096000007 [#3] PREEMPT SMP <4>[ 100.706595] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 100.718348] CPU: 2 PID: 1061 Comm: cat Tainted: G D W 5.10.214-cip46 #1 <4>[ 100.726368] Hardware name: ARM Juno development board (r0) (DT) <4>[ 100.732562] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 100.738850] pc : lkdtm_STACK_GUARD_PAGE_LEADING+0x34/0x58 <4>[ 100.744526] lr : lkdtm_STACK_GUARD_PAGE_LEADING+0x2c/0x58 <4>[ 100.750195] sp : ffff800014c6bce0 <4>[ 100.753776] x29: ffff800014c6bce0 x28: ffff000807ce0000 <4>[ 100.759370] x27: 0000000000000000 x26: 0000000000000000 <4>[ 100.764962] x25: ffff8000114da090 x24: ffff800014c6be20 <4>[ 100.770554] x23: 0000000000000019 x22: ffff000803248000 <4>[ 100.776145] x21: ffff8000119eec60 x20: ffff8000114da140 <4>[ 100.781737] x19: ffff800014c68000 x18: 0000000000000000 <4>[ 100.787328] x17: 0000000000000000 x16: 0000000000000000 <4>[ 100.792919] x15: 0000000000000030 x14: ffffffffffffffff <4>[ 100.798510] x13: ffff800094c6b9ca x12: ffff800014c6b9d2 <4>[ 100.804102] x11: ffff800012593d40 x10: ffff8000125ebee0 <4>[ 100.809693] x9 : ffff80001012c294 x8 : ffff800012593ee0 <4>[ 100.815284] x7 : ffff8000125ebee0 x6 : ffff800012565000 <4>[ 100.820875] x5 : ffff800012565c88 x4 : ffff00097ef90c68 <4>[ 100.826466] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 100.832057] x1 : ffff000807ce0000 x0 : ffff8000119ef720 <4>[ 100.837648] Call trace: <4>[ 100.840362] lkdtm_STACK_GUARD_PAGE_LEADING+0x34/0x58 <4>[ 100.845688] lkdtm_do_action+0x24/0x40 <4>[ 100.849707] direct_entry+0xd0/0x140 <4>[ 100.853552] full_proxy_write+0x68/0xbc <4>[ 100.857659] vfs_write+0xec/0x20c <4>[ 100.861241] ksys_write+0x70/0x100 <4>[ 100.864911] __arm64_sys_write+0x24/0x30 <4>[ 100.869105] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 100.874168] do_el0_svc+0x2c/0xa4 <4>[ 100.877752] el0_svc+0x20/0x30 <4>[ 100.881074] el0_sync_handler+0xb0/0xb4 <4>[ 100.885177] el0_sync+0x180/0x1c0 <0>[ 100.888764] Code: 911b8000 97ffe0b5 f0003e40 911c8000 (385ff261) <4>[ 100.895134] ---[ end trace ee45f30151b01cda ]--- # Segmentation fault # [ 100.629004] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 100.635648] lkdtm: attempting bad read from page below current stack # [ 100.642364] Unable to handle kernel paging request at virtual address ffff800014c67fff # [ 100.650631] Mem abort info: # [ 100.653859] ESR = 0x96000007 # [ 100.657236] EC = 0x25: DABT (current EL), IL = 32 bits # [ 100.662847] SET = 0, FnV = 0 # [ 100.666193] EA = 0, S1PTW = 0 # [ 100.669620] Data abort info: # [ 100.672791] ISV = 0, ISS = 0x00000007 # [ 100.676915] CM = 0, WnR = 0 # [ 100.680170] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081dad000 # [ 100.687168] [ffff800014c67fff] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=0000000884011003, pte=0000000000000000 # [ 100.700053] Internal error: Oops: 0000000096000007 [#3] PREEMPT SMP # [ 100.706595] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 100.718348] CPU: 2 PID: 1061 Comm: cat Tainted: G D W 5.10.214-cip46 #1 # [ 100.726368] Hardware name: ARM Juno development board (r0) (DT) # [ 100.732562] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 100.738850] pc : lkdtm_STACK_GUARD_PAGE_LEADING+0x34/0x58 # [ 100.744526] lr : lkdtm_STACK_GUARD_PAGE_LEADING+0x2c/0x58 # [ 100.750195] sp : ffff800014c6bce0 # [ 100.753776] x29: ffff800014c6bce0 x28: ffff000807ce0000 # [ 100.759370] x27: 0000000000000000 x26: 0000000000000000 # [ 100.764962] x25: ffff8000114da090 x24: ffff800014c6be20 # [ 100.770554] x23: 0000000000000019 x22: ffff000803248000 # [ 100.776145] x21: ffff8000119eec60 x20: ffff8000114da140 # [ 100.781737] x19: ffff800014c68000 x18: 0000000000000000 # [ 100.787328] x17: 0000000000000000 x16: 0000000000000000 # [ 100.792919] x15: 0000000000000030 x14: ffffffffffffffff # [ 100.798510] x13: ffff800094c6b9ca x12: ffff800014c6b9d2 # [ 100.804102] x11: ffff800012593d40 x10: ffff8000125ebee0 # [ 100.809693] x9 : ffff80001012c294 x8 : ffff800012593ee0 # [ 100.815284] x7 : ffff8000125ebee0 x6 : ffff800012565000 # [ 100.820875] x5 : ffff800012565c88 x4 : ffff00097ef90c68 # [ 100.826466] x3 : 0000000000000000 x2 : 0000000000000000 # [ 100.832057] x1 : ffff000807ce0000 x0 : ffff8000119ef720 # [ 100.837648] Call trace: # [ 100.840362] lkdtm_STACK_GUARD_PAGE_LEADING+0x34/0x58 # [ 100.845688] lkdtm_do_action+0x24/0x40 # [ 100.849707] direct_entry+0xd0/0x140 # [ 100.853552] full_proxy_write+0x68/0xbc # [ 100.857659] vfs_write+0xec/0x20c # [ 100.861241] ksys_write+0x70/0x100 # [ 100.864911] __arm64_sys_write+0x24/0x30 # [ 100.869105] el0_svc_common.constprop.0+0x84/0x1e0 # [ 100.874168] do_el0_svc+0x2c/0xa4 # [ 100.877752] el0_svc+0x20/0x30 # [ 100.881074] el0_sync_handler+0xb0/0xb4 # [ 100.885177] el0_sync+0x180/0x1c0 # [ 100.888764] Code: 911b8000 97ffe0b5 f0003e40 911c8000 (385ff261) # [ 100.895134] ---[ end trace ee45f30151b01cda ]--- # 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>[ 101.285978] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING <6>[ 101.292690] lkdtm: attempting bad read from page above current stack <1>[ 101.299393] Unable to handle kernel paging request at virtual address ffff800014d24000 <1>[ 101.307754] Mem abort info: <1>[ 101.310826] ESR = 0x96000007 <1>[ 101.314223] EC = 0x25: DABT (current EL), IL = 32 bits <1>[ 101.319833] SET = 0, FnV = 0 <1>[ 101.323177] EA = 0, S1PTW = 0 <1>[ 101.326588] Data abort info: <1>[ 101.329754] ISV = 0, ISS = 0x00000007 <1>[ 101.333881] CM = 0, WnR = 0 <1>[ 101.337142] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081dad000 <1>[ 101.344139] [ffff800014d24000] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=0000000884011003, pte=0000000000000000 <0>[ 101.357027] Internal error: Oops: 0000000096000007 [#4] PREEMPT SMP <4>[ 101.363574] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 101.375323] CPU: 2 PID: 1107 Comm: cat Tainted: G D W 5.10.214-cip46 #1 <4>[ 101.383343] Hardware name: ARM Juno development board (r0) (DT) <4>[ 101.389539] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 101.395830] pc : lkdtm_STACK_GUARD_PAGE_TRAILING+0x38/0x5c <4>[ 101.401588] lr : lkdtm_STACK_GUARD_PAGE_TRAILING+0x2c/0x5c <4>[ 101.407347] sp : ffff800014d23ce0 <4>[ 101.410928] x29: ffff800014d23ce0 x28: ffff000802e09880 <4>[ 101.416524] x27: 0000000000000000 x26: 0000000000000000 <4>[ 101.422121] x25: ffff8000114da090 x24: ffff800014d23e20 <4>[ 101.427714] x23: 000000000000001a x22: ffff00080400e000 <4>[ 101.433306] x21: ffff8000119eec80 x20: ffff8000114da150 <4>[ 101.438897] x19: ffff800014d24000 x18: 0000000000000000 <4>[ 101.444489] x17: 0000000000000000 x16: 0000000000000000 <4>[ 101.450080] x15: 0000000000000030 x14: ffffffffffffffff <4>[ 101.455672] x13: ffff800094d239ca x12: ffff800014d239d2 <4>[ 101.461263] x11: ffff800012593d40 x10: ffff8000125ebee0 <4>[ 101.466855] x9 : ffff80001012c294 x8 : ffff800012593ee0 <4>[ 101.472447] x7 : ffff8000125ebee0 x6 : ffff800012565000 <4>[ 101.478038] x5 : ffff800012565c88 x4 : ffff00097ef6ec68 <4>[ 101.483630] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 101.489221] x1 : ffff000802e09880 x0 : ffff8000119ef798 <4>[ 101.494813] Call trace: <4>[ 101.497527] lkdtm_STACK_GUARD_PAGE_TRAILING+0x38/0x5c <4>[ 101.502940] lkdtm_do_action+0x24/0x40 <4>[ 101.506958] direct_entry+0xd0/0x140 <4>[ 101.510804] full_proxy_write+0x68/0xbc <4>[ 101.514910] vfs_write+0xec/0x20c <4>[ 101.518492] ksys_write+0x70/0x100 <4>[ 101.522162] __arm64_sys_write+0x24/0x30 <4>[ 101.526357] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 101.531419] do_el0_svc+0x2c/0xa4 <4>[ 101.535003] el0_svc+0x20/0x30 <4>[ 101.538324] el0_sync_handler+0xb0/0xb4 <4>[ 101.542429] el0_sync+0x180/0x1c0 <0>[ 101.546014] Code: 97ffe09f 91401273 f0003e40 911e6000 (39400261) <4>[ 101.552384] ---[ end trace ee45f30151b01cdb ]--- # Segmentation fault # [ 101.285978] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING # [ 101.292690] lkdtm: attempting bad read from page above current stack # [ 101.299393] Unable to handle kernel paging request at virtual address ffff800014d24000 # [ 101.307754] Mem abort info: # [ 101.310826] ESR = 0x96000007 # [ 101.314223] EC = 0x25: DABT (current EL), IL = 32 bits # [ 101.319833] SET = 0, FnV = 0 # [ 101.323177] EA = 0, S1PTW = 0 # [ 101.326588] Data abort info: # [ 101.329754] ISV = 0, ISS = 0x00000007 # [ 101.333881] CM = 0, WnR = 0 # [ 101.337142] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081dad000 # [ 101.344139] [ffff800014d24000] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=0000000884011003, pte=0000000000000000 # [ 101.357027] Internal error: Oops: 0000000096000007 [#4] PREEMPT SMP # [ 101.363574] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 101.375323] CPU: 2 PID: 1107 Comm: cat Tainted: G D W 5.10.214-cip46 #1 # [ 101.383343] Hardware name: ARM Juno development board (r0) (DT) # [ 101.389539] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 101.395830] pc : lkdtm_STACK_GUARD_PAGE_TRAILING+0x38/0x5c # [ 101.401588] lr : lkdtm_STACK_GUARD_PAGE_TRAILING+0x2c/0x5c # [ 101.407347] sp : ffff800014d23ce0 # [ 101.410928] x29: ffff800014d23ce0 x28: ffff000802e09880 # [ 101.416524] x27: 0000000000000000 x26: 0000000000000000 # [ 101.422121] x25: ffff8000114da090 x24: ffff800014d23e20 # [ 101.427714] x23: 000000000000001a x22: ffff00080400e000 # [ 101.433306] x21: ffff8000119eec80 x20: ffff8000114da150 # [ 101.438897] x19: ffff800014d24000 x18: 0000000000000000 # [ 101.444489] x17: 0000000000000000 x16: 0000000000000000 # [ 101.450080] x15: 0000000000000030 x14: ffffffffffffffff # [ 101.455672] x13: ffff800094d239ca x12: ffff800014d239d2 # [ 101.461263] x11: ffff800012593d40 x10: ffff8000125ebee0 # [ 101.466855] x9 : ffff80001012c294 x8 : ffff800012593ee0 # [ 101.472447] x7 : ffff8000125ebee0 x6 : ffff800012565000 # [ 101.478038] x5 : ffff800012565c88 x4 : ffff00097ef6ec68 # [ 101.483630] x3 : 0000000000000000 x2 : 0000000000000000 # [ 101.489221] x1 : ffff000802e09880 x0 : ffff8000119ef798 # [ 101.494813] Call trace: # [ 101.497527] lkdtm_STACK_GUARD_PAGE_TRAILING+0x38/0x5c # [ 101.502940] lkdtm_do_action+0x24/0x40 # [ 101.506958] direct_entry+0xd0/0x140 # [ 101.510804] full_proxy_write+0x68/0xbc # [ 101.514910] vfs_write+0xec/0x20c # [ 101.518492] ksys_write+0x70/0x100 # [ 101.522162] __arm64_sys_write+0x24/0x30 # [ 101.526357] el0_svc_common.constprop.0+0x84/0x1e0 # [ 101.531419] do_el0_svc+0x2c/0xa4 # [ 101.535003] el0_svc+0x20/0x30 # [ 101.538324] el0_sync_handler+0xb0/0xb4 # [ 101.542429] el0_sync+0x180/0x1c0 # [ 101.546014] Code: 97ffe09f 91401273 f0003e40 911e6000 (39400261) # [ 101.552384] ---[ end trace ee45f30151b01cdb ]--- # STACK_GUARD_PAGE_TRAILING: saw 'call trace:': ok ok 13 selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # selftests: lkdtm: UNSET_SMEP.sh <6>[ 101.986672] lkdtm: Performing direct entry UNSET_SMEP <3>[ 101.992076] lkdtm: XFAIL: this test is x86_64-only # [ 101.986672] lkdtm: Performing direct entry UNSET_SMEP # [ 101.992076] 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>[ 102.390089] lkdtm: Performing direct entry DOUBLE_FAULT <3>[ 102.395669] lkdtm: XFAIL: this test is ia32-only # [ 102.390089] lkdtm: Performing direct entry DOUBLE_FAULT # [ 102.395669] 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>[ 102.811935] lkdtm: Performing direct entry CORRUPT_PAC <3>[ 102.817430] lkdtm: FAIL: CPU lacks pointer authentication feature # [ 102.811935] lkdtm: Performing direct entry CORRUPT_PAC # [ 102.817430] 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>[ 103.228017] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE <3>[ 103.234889] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS # [ 103.228017] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # [ 103.234889] 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>[ 104.084025] lkdtm: Performing direct entry READ_AFTER_FREE <6>[ 104.089851] lkdtm: Value in memory before free: 12345678 <6>[ 104.095504] lkdtm: Attempting bad read from freed memory <6>[ 104.101145] lkdtm: Memory was not poisoned # [ 104.084025] lkdtm: Performing direct entry READ_AFTER_FREE # [ 104.089851] lkdtm: Value in memory before free: 12345678 # [ 104.095504] lkdtm: Attempting bad read from freed memory # [ 104.101145] 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>[ 104.714861] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE <6>[ 104.721234] lkdtm: Value in memory before free: 12345678 <6>[ 104.726903] lkdtm: Attempting to read from freed memory <6>[ 104.732458] lkdtm: Buddy page was not poisoned # [ 104.714861] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE # [ 104.721234] lkdtm: Value in memory before free: 12345678 # [ 104.726903] lkdtm: Attempting to read from freed memory # [ 104.732458] 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>[ 105.138907] lkdtm: Performing direct entry SLAB_FREE_DOUBLE <6>[ 105.144870] lkdtm: Attempting double slab free ... # [ 105.138907] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 105.144870] 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>[ 105.555515] lkdtm: Performing direct entry SLAB_FREE_CROSS <6>[ 105.561368] lkdtm: Attempting cross-cache slab free ... # [ 105.555515] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 105.561368] 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>[ 105.984818] lkdtm: Performing direct entry SLAB_FREE_PAGE <6>[ 105.990566] lkdtm: Attempting non-Slab slab free ... # [ 105.984818] lkdtm: Performing direct entry SLAB_FREE_PAGE # [ 105.990566] 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>[ 107.289538] lkdtm: Performing direct entry EXEC_DATA <6>[ 107.294887] lkdtm: attempting ok execution at ffff800010a092f0 <6>[ 107.301194] lkdtm: attempting bad execution at ffff8000134a98d0 <1>[ 107.307454] Unable to handle kernel execute from non-executable memory at virtual address ffff8000134a98d0 <1>[ 107.317515] Mem abort info: <1>[ 107.320834] ESR = 0x8600000f <1>[ 107.324214] EC = 0x21: IABT (current EL), IL = 32 bits <1>[ 107.329829] SET = 0, FnV = 0 <1>[ 107.333177] EA = 0, S1PTW = 0 <1>[ 107.336607] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081dad000 <1>[ 107.343606] [ffff8000134a98d0] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=00000009ffff9003, pte=00780000836a9703 <0>[ 107.356485] Internal error: Oops: 000000008600000f [#5] PREEMPT SMP <4>[ 107.363027] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 107.374774] CPU: 1 PID: 1681 Comm: cat Tainted: G D W 5.10.214-cip46 #1 <4>[ 107.382794] Hardware name: ARM Juno development board (r0) (DT) <4>[ 107.388989] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 107.395279] pc : data_area+0x0/0x40 <4>[ 107.399039] lr : execute_location+0x84/0xa4 <4>[ 107.403489] sp : ffff8000156c3cd0 <4>[ 107.407069] x29: ffff8000156c3cd0 x28: ffff0008025bb100 <4>[ 107.412662] x27: 0000000000000000 x26: 0000000000000000 <4>[ 107.418254] x25: ffff8000114da090 x24: ffff8000156c3e20 <4>[ 107.423847] x23: 000000000000000a x22: ffff00080690b000 <4>[ 107.429438] x21: 0000000000000001 x20: ffff800010a092f0 <4>[ 107.435030] x19: ffff8000134a98d0 x18: 0000000000000000 <4>[ 107.440621] x17: 0000000000000000 x16: 0000000000000000 <4>[ 107.446216] x15: 0000000000000030 x14: ffffffffffffffff <4>[ 107.451811] x13: ffff8000956c39ba x12: ffff8000156c39c2 <4>[ 107.457403] x11: ffff800012593d40 x10: ffff8000125ebee0 <4>[ 107.462994] x9 : ffff80001012c294 x8 : ffff800012593ee0 <4>[ 107.468586] x7 : ffff8000125ebee0 x6 : ffff800012565000 <4>[ 107.474177] x5 : ffff800012565c88 x4 : ffff00097ef90c68 <4>[ 107.479773] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 107.485365] x1 : ffff0008025bb100 x0 : 0000000000000033 <4>[ 107.490956] Call trace: <4>[ 107.493669] data_area+0x0/0x40 <4>[ 107.497078] lkdtm_EXEC_DATA+0x24/0x30 <4>[ 107.501104] lkdtm_do_action+0x24/0x40 <4>[ 107.505122] direct_entry+0xd0/0x140 <4>[ 107.508967] full_proxy_write+0x68/0xbc <4>[ 107.513073] vfs_write+0xec/0x20c <4>[ 107.516655] ksys_write+0x70/0x100 <4>[ 107.520324] __arm64_sys_write+0x24/0x30 <4>[ 107.524518] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 107.529581] do_el0_svc+0x2c/0xa4 <4>[ 107.533169] el0_svc+0x20/0x30 <4>[ 107.536491] el0_sync_handler+0xb0/0xb4 <4>[ 107.540595] el0_sync+0x180/0x1c0 <0>[ 107.544185] Code: 028d8600 ffff0008 028d8700 ffff0008 (aa1e03e9) <4>[ 107.550558] ---[ end trace ee45f30151b01cdc ]--- # Segmentation fault # [ 107.289538] lkdtm: Performing direct entry EXEC_DATA # [ 107.294887] lkdtm: attempting ok execution at ffff800010a092f0 # [ 107.301194] lkdtm: attempting bad execution at ffff8000134a98d0 # [ 107.307454] Unable to handle kernel execute from non-executable memory at virtual address ffff8000134a98d0 # [ 107.317515] Mem abort info: # [ 107.320834] ESR = 0x8600000f # [ 107.324214] EC = 0x21: IABT (current EL), IL = 32 bits # [ 107.329829] SET = 0, FnV = 0 # [ 107.333177] EA = 0, S1PTW = 0 # [ 107.336607] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081dad000 # [ 107.343606] [ffff8000134a98d0] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=00000009ffff9003, pte=00780000836a9703 # [ 107.356485] Internal error: Oops: 000000008600000f [#5] PREEMPT SMP # [ 107.363027] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 107.374774] CPU: 1 PID: 1681 Comm: cat Tainted: G D W 5.10.214-cip46 #1 # [ 107.382794] Hardware name: ARM Juno development board (r0) (DT) # [ 107.388989] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 107.395279] pc : data_area+0x0/0x40 # [ 107.399039] lr : execute_location+0x84/0xa4 # [ 107.403489] sp : ffff8000156c3cd0 # [ 107.407069] x29: ffff8000156c3cd0 x28: ffff0008025bb100 # [ 107.412662] x27: 0000000000000000 x26: 0000000000000000 # [ 107.418254] x25: ffff8000114da090 x24: ffff8000156c3e20 # [ 107.423847] x23: 000000000000000a x22: ffff00080690b000 # [ 107.429438] x21: 0000000000000001 x20: ffff800010a092f0 # [ 107.435030] x19: ffff8000134a98d0 x18: 0000000000000000 # [ 107.440621] x17: 0000000000000000 x16: 0000000000000000 # [ 107.446216] x15: 0000000000000030 x14: ffffffffffffffff # [ 107.451811] x13: ffff8000956c39ba x12: ffff8000156c39c2 # [ 107.457403] x11: ffff800012593d40 x10: ffff8000125ebee0 # [ 107.462994] x9 : ffff80001012c294 x8 : ffff800012593ee0 # [ 107.468586] x7 : ffff8000125ebee0 x6 : ffff800012565000 # [ 107.474177] x5 : ffff800012565c88 x4 : ffff00097ef90c68 # [ 107.479773] x3 : 0000000000000000 x2 : 0000000000000000 # [ 107.485365] x1 : ffff0008025bb100 x0 : 0000000000000033 # [ 107.490956] Call trace: # [ 107.493669] data_area+0x0/0x40 # [ 107.497078] lkdtm_EXEC_DATA+0x24/0x30 # [ 107.501104] lkdtm_do_action+0x24/0x40 # [ 107.505122] direct_entry+0xd0/0x140 # [ 107.508967] full_proxy_write+0x68/0xbc # [ 107.513073] vfs_write+0xec/0x20c # [ 107.516655] ksys_write+0x70/0x100 # [ 107.520324] __arm64_sys_write+0x24/0x30 # [ 107.524518] el0_svc_common.constprop.0+0x84/0x1e0 # [ 107.529581] do_el0_svc+0x2c/0xa4 # [ 107.533169] el0_svc+0x20/0x30 # [ 107.536491] el0_sync_handler+0xb0/0xb4 # [ 107.540595] el0_sync+0x180/0x1c0 # [ 107.544185] Code: 028d8600 ffff0008 028d8700 ffff0008 (aa1e03e9) # [ 107.550558] ---[ end trace ee45f30151b01cdc ]--- # EXEC_DATA: saw 'call trace:': ok ok 30 selftests: lkdtm: EXEC_DATA.sh # selftests: lkdtm: EXEC_STACK.sh <6>[ 108.003622] lkdtm: Performing direct entry EXEC_STACK <6>[ 108.009018] lkdtm: attempting ok execution at ffff800010a092f0 <6>[ 108.015220] lkdtm: attempting bad execution at ffff800015753cc8 <1>[ 108.021484] Unable to handle kernel execute from non-executable memory at virtual address ffff800015753cc8 <1>[ 108.031615] Mem abort info: <1>[ 108.034691] ESR = 0x8600000f <1>[ 108.038147] EC = 0x21: IABT (current EL), IL = 32 bits <1>[ 108.043761] SET = 0, FnV = 0 <1>[ 108.047107] EA = 0, S1PTW = 0 <1>[ 108.050522] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081dad000 <1>[ 108.057525] [ffff800015753cc8] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=0000000883925003, pte=00680008825a5703 <0>[ 108.070415] Internal error: Oops: 000000008600000f [#6] PREEMPT SMP <4>[ 108.076958] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 108.088709] CPU: 1 PID: 1724 Comm: cat Tainted: G D W 5.10.214-cip46 #1 <4>[ 108.096730] Hardware name: ARM Juno development board (r0) (DT) <4>[ 108.102931] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 108.109217] pc : 0xffff800015753cc8 <4>[ 108.112984] lr : execute_location+0x84/0xa4 <4>[ 108.117434] sp : ffff800015753c80 <4>[ 108.121015] x29: ffff800015753c80 x28: ffff000808861880 <4>[ 108.126608] x27: 0000000000000000 x26: 0000000000000000 <4>[ 108.132201] x25: ffff8000114da090 x24: ffff800015753e20 <4>[ 108.137793] x23: 000000000000000b x22: ffff000807d2f000 <4>[ 108.143385] x21: 0000000000000001 x20: ffff800010a092f0 <4>[ 108.148977] x19: ffff800015753cc8 x18: 0000000000000001 <4>[ 108.154568] x17: 0000000000000000 x16: 0000000000000000 <4>[ 108.160160] x15: 0000000000000030 x14: ffffffffffffffff <4>[ 108.165751] x13: ffff80009575396a x12: ffff800015753973 <4>[ 108.171343] x11: ffff800012593d40 x10: ffff8000125ebee0 <4>[ 108.176934] x9 : ffff80001012c294 x8 : ffff800012593ee0 <4>[ 108.182525] x7 : ffff8000125ebee0 x6 : ffff800012565000 <4>[ 108.188116] x5 : ffff800012565c88 x4 : ffff00097ef08c68 <4>[ 108.193707] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 108.199298] x1 : ffff000808861880 x0 : 0000000000000033 <4>[ 108.204890] Call trace: <4>[ 108.207603] 0xffff800015753cc8 <4>[ 108.211013] lkdtm_EXEC_STACK+0x30/0x58 <4>[ 108.215120] lkdtm_do_action+0x24/0x40 <4>[ 108.219139] direct_entry+0xd0/0x140 <4>[ 108.222984] full_proxy_write+0x68/0xbc <4>[ 108.227089] vfs_write+0xec/0x20c <4>[ 108.230671] ksys_write+0x70/0x100 <4>[ 108.234340] __arm64_sys_write+0x24/0x30 <4>[ 108.238535] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 108.243598] do_el0_svc+0x2c/0xa4 <4>[ 108.247181] el0_svc+0x20/0x30 <4>[ 108.250502] el0_sync_handler+0xb0/0xb4 <4>[ 108.254606] el0_sync+0x180/0x1c0 <0>[ 108.258192] Code: 10a083b4 ffff8000 15753d20 ffff8000 (aa1e03e9) <4>[ 108.264562] ---[ end trace ee45f30151b01cdd ]--- # Segmentation fault # [ 108.003622] lkdtm: Performing direct entry EXEC_STACK # [ 108.009018] lkdtm: attempting ok execution at ffff800010a092f0 # [ 108.015220] lkdtm: attempting bad execution at ffff800015753cc8 # [ 108.021484] Unable to handle kernel execute from non-executable memory at virtual address ffff800015753cc8 # [ 108.031615] Mem abort info: # [ 108.034691] ESR = 0x8600000f # [ 108.038147] EC = 0x21: IABT (current EL), IL = 32 bits # [ 108.043761] SET = 0, FnV = 0 # [ 108.047107] EA = 0, S1PTW = 0 # [ 108.050522] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081dad000 # [ 108.057525] [ffff800015753cc8] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=0000000883925003, pte=00680008825a5703 # [ 108.070415] Internal error: Oops: 000000008600000f [#6] PREEMPT SMP # [ 108.076958] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 108.088709] CPU: 1 PID: 1724 Comm: cat Tainted: G D W 5.10.214-cip46 #1 # [ 108.096730] Hardware name: ARM Juno development board (r0) (DT) # [ 108.102931] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 108.109217] pc : 0xffff800015753cc8 # [ 108.112984] lr : execute_location+0x84/0xa4 # [ 108.117434] sp : ffff800015753c80 # [ 108.121015] x29: ffff800015753c80 x28: ffff000808861880 # [ 108.126608] x27: 0000000000000000 x26: 0000000000000000 # [ 108.132201] x25: ffff8000114da090 x24: ffff800015753e20 # [ 108.137793] x23: 000000000000000b x22: ffff000807d2f000 # [ 108.143385] x21: 0000000000000001 x20: ffff800010a092f0 # [ 108.148977] x19: ffff800015753cc8 x18: 0000000000000001 # [ 108.154568] x17: 0000000000000000 x16: 0000000000000000 # [ 108.160160] x15: 0000000000000030 x14: ffffffffffffffff # [ 108.165751] x13: ffff80009575396a x12: ffff800015753973 # [ 108.171343] x11: ffff800012593d40 x10: ffff8000125ebee0 # [ 108.176934] x9 : ffff80001012c294 x8 : ffff800012593ee0 # [ 108.182525] x7 : ffff8000125ebee0 x6 : ffff800012565000 # [ 108.188116] x5 : ffff800012565c88 x4 : ffff00097ef08c68 # [ 108.193707] x3 : 0000000000000000 x2 : 0000000000000000 # [ 108.199298] x1 : ffff000808861880 x0 : 0000000000000033 # [ 108.204890] Call trace: # [ 108.207603] 0xffff800015753cc8 # [ 108.211013] lkdtm_EXEC_STACK+0x30/0x58 # [ 108.215120] lkdtm_do_action+0x24/0x40 # [ 108.219139] direct_entry+0xd0/0x140 # [ 108.222984] full_proxy_write+0x68/0xbc # [ 108.227089] vfs_write+0xec/0x20c # [ 108.230671] ksys_write+0x70/0x100 # [ 108.234340] __arm64_sys_write+0x24/0x30 # [ 108.238535] el0_svc_common.constprop.0+0x84/0x1e0 # [ 108.243598] do_el0_svc+0x2c/0xa4 # [ 108.247181] el0_svc+0x20/0x30 # [ 108.250502] el0_sync_handler+0xb0/0xb4 # [ 108.254606] el0_sync+0x180/0x1c0 # [ 108.258192] Code: 10a083b4 ffff8000 15753d20 ffff8000 (aa1e03e9) # [ 108.264562] ---[ end trace ee45f30151b01cdd ]--- # EXEC_STACK: saw 'call trace:': ok ok 31 selftests: lkdtm: EXEC_STACK.sh # selftests: lkdtm: EXEC_KMALLOC.sh <6>[ 108.668364] lkdtm: Performing direct entry EXEC_KMALLOC <6>[ 108.673942] lkdtm: attempting ok execution at ffff800010a092f0 <6>[ 108.680283] lkdtm: attempting bad execution at ffff0008025dbc80 <1>[ 108.686548] Unable to handle kernel execute from non-executable memory at virtual address ffff0008025dbc80 <1>[ 108.696758] Mem abort info: <1>[ 108.699964] ESR = 0x8600000f <1>[ 108.703315] EC = 0x21: IABT (current EL), IL = 32 bits <1>[ 108.708925] SET = 0, FnV = 0 <1>[ 108.712268] EA = 0, S1PTW = 0 <1>[ 108.715701] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081dad000 <1>[ 108.722699] [ffff0008025dbc80] pgd=00000009ffff8003, p4d=00000009ffff8003, pud=00000009ffc0a003, pmd=00000009ffbf7003, pte=00680008825db707 <0>[ 108.735589] Internal error: Oops: 000000008600000f [#7] PREEMPT SMP <4>[ 108.742131] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 108.753885] CPU: 1 PID: 1767 Comm: cat Tainted: G D W 5.10.214-cip46 #1 <4>[ 108.761910] Hardware name: ARM Juno development board (r0) (DT) <4>[ 108.768110] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 108.774393] pc : 0xffff0008025dbc80 <4>[ 108.778155] lr : execute_location+0x84/0xa4 <4>[ 108.782608] sp : ffff80001581bcc0 <4>[ 108.786194] x29: ffff80001581bcc0 x28: ffff000803259880 <4>[ 108.791788] x27: 0000000000000000 x26: 0000000000000000 <4>[ 108.797381] x25: ffff8000114da090 x24: ffff80001581be20 <4>[ 108.802973] x23: 000000000000000d x22: ffff0008042e1000 <4>[ 108.808564] x21: 0000000000000001 x20: ffff800010a092f0 <4>[ 108.814156] x19: ffff0008025dbc80 x18: 0000000000000000 <4>[ 108.819747] x17: 0000000000000000 x16: 0000000000000000 <4>[ 108.825339] x15: 0000000000000030 x14: ffffffffffffffff <4>[ 108.830931] x13: ffff80009581b9aa x12: ffff80001581b9b2 <4>[ 108.836522] x11: ffff800012593d40 x10: ffff8000125ebee0 <4>[ 108.842113] x9 : ffff80001012c294 x8 : ffff800012593ee0 <4>[ 108.847705] x7 : ffff8000125ebee0 x6 : ffff800012565000 <4>[ 108.853296] x5 : ffff800012565c88 x4 : ffff00097ef08c68 <4>[ 108.858888] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 108.864479] x1 : ffff000803259880 x0 : 0000000000000033 <4>[ 108.870070] Call trace: <4>[ 108.872782] 0xffff0008025dbc80 <4>[ 108.876195] lkdtm_EXEC_KMALLOC+0x34/0x4c <4>[ 108.880474] lkdtm_do_action+0x24/0x40 <4>[ 108.884493] direct_entry+0xd0/0x140 <4>[ 108.888338] full_proxy_write+0x68/0xbc <4>[ 108.892444] vfs_write+0xec/0x20c <4>[ 108.896026] ksys_write+0x70/0x100 <4>[ 108.899696] __arm64_sys_write+0x24/0x30 <4>[ 108.903890] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 108.908952] do_el0_svc+0x2c/0xa4 <4>[ 108.912536] el0_svc+0x20/0x30 <4>[ 108.915857] el0_sync_handler+0xb0/0xb4 <4>[ 108.919962] el0_sync+0x180/0x1c0 <0>[ 108.923548] Code: 00000000 00000000 00000000 00000000 (aa1e03e9) <4>[ 108.929917] ---[ end trace ee45f30151b01cde ]--- # Segmentation fault # [ 108.668364] lkdtm: Performing direct entry EXEC_KMALLOC # [ 108.673942] lkdtm: attempting ok execution at ffff800010a092f0 # [ 108.680283] lkdtm: attempting bad execution at ffff0008025dbc80 # [ 108.686548] Unable to handle kernel execute from non-executable memory at virtual address ffff0008025dbc80 # [ 108.696758] Mem abort info: # [ 108.699964] ESR = 0x8600000f # [ 108.703315] EC = 0x21: IABT (current EL), IL = 32 bits # [ 108.708925] SET = 0, FnV = 0 # [ 108.712268] EA = 0, S1PTW = 0 # [ 108.715701] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081dad000 # [ 108.722699] [ffff0008025dbc80] pgd=00000009ffff8003, p4d=00000009ffff8003, pud=00000009ffc0a003, pmd=00000009ffbf7003, pte=00680008825db707 # [ 108.735589] Internal error: Oops: 000000008600000f [#7] PREEMPT SMP # [ 108.742131] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 108.753885] CPU: 1 PID: 1767 Comm: cat Tainted: G D W 5.10.214-cip46 #1 # [ 108.761910] Hardware name: ARM Juno development board (r0) (DT) # [ 108.768110] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 108.774393] pc : 0xffff0008025dbc80 # [ 108.778155] lr : execute_location+0x84/0xa4 # [ 108.782608] sp : ffff80001581bcc0 # [ 108.786194] x29: ffff80001581bcc0 x28: ffff000803259880 # [ 108.791788] x27: 0000000000000000 x26: 0000000000000000 # [ 108.797381] x25: ffff8000114da090 x24: ffff80001581be20 # [ 108.802973] x23: 000000000000000d x22: ffff0008042e1000 # [ 108.808564] x21: 0000000000000001 x20: ffff800010a092f0 # [ 108.814156] x19: ffff0008025dbc80 x18: 0000000000000000 # [ 108.819747] x17: 0000000000000000 x16: 0000000000000000 # [ 108.825339] x15: 0000000000000030 x14: ffffffffffffffff # [ 108.830931] x13: ffff80009581b9aa x12: ffff80001581b9b2 # [ 108.836522] x11: ffff800012593d40 x10: ffff8000125ebee0 # [ 108.842113] x9 : ffff80001012c294 x8 : ffff800012593ee0 # [ 108.847705] x7 : ffff8000125ebee0 x6 : ffff800012565000 # [ 108.853296] x5 : ffff800012565c88 x4 : ffff00097ef08c68 # [ 108.858888] x3 : 0000000000000000 x2 : 0000000000000000 # [ 108.864479] x1 : ffff000803259880 x0 : 0000000000000033 # [ 108.870070] Call trace: # [ 108.872782] 0xffff0008025dbc80 # [ 108.876195] lkdtm_EXEC_KMALLOC+0x34/0x4c # [ 108.880474] lkdtm_do_action+0x24/0x40 # [ 108.884493] direct_entry+0xd0/0x140 # [ 108.888338] full_proxy_write+0x68/0xbc # [ 108.892444] vfs_write+0xec/0x20c # [ 108.896026] ksys_write+0x70/0x100 # [ 108.899696] __arm64_sys_write+0x24/0x30 # [ 108.903890] el0_svc_common.constprop.0+0x84/0x1e0 # [ 108.908952] do_el0_svc+0x2c/0xa4 # [ 108.912536] el0_svc+0x20/0x30 # [ 108.915857] el0_sync_handler+0xb0/0xb4 # [ 108.919962] el0_sync+0x180/0x1c0 # [ 108.923548] Code: 00000000 00000000 00000000 00000000 (aa1e03e9) # [ 108.929917] ---[ end trace ee45f30151b01cde ]--- # EXEC_KMALLOC: saw 'call trace:': ok ok 32 selftests: lkdtm: EXEC_KMALLOC.sh # selftests: lkdtm: EXEC_VMALLOC.sh <6>[ 109.334691] lkdtm: Performing direct entry EXEC_VMALLOC <6>[ 109.340304] lkdtm: attempting ok execution at ffff800010a092f0 <6>[ 109.346611] lkdtm: attempting bad execution at ffff800013a35000 <1>[ 109.352938] Unable to handle kernel execute from non-executable memory at virtual address ffff800013a35000 <1>[ 109.363075] Mem abort info: <1>[ 109.366147] ESR = 0x8600000f <1>[ 109.369517] EC = 0x21: IABT (current EL), IL = 32 bits <1>[ 109.375126] SET = 0, FnV = 0 <1>[ 109.378453] EA = 0, S1PTW = 0 <1>[ 109.381883] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081dad000 <1>[ 109.388881] [ffff800013a35000] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=00000008809f7003, pte=006800088778f703 <0>[ 109.401763] Internal error: Oops: 000000008600000f [#8] PREEMPT SMP <4>[ 109.408306] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 109.420062] CPU: 2 PID: 1810 Comm: cat Tainted: G D W 5.10.214-cip46 #1 <4>[ 109.428089] Hardware name: ARM Juno development board (r0) (DT) <4>[ 109.434285] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 109.440571] pc : 0xffff800013a35000 <4>[ 109.444338] lr : execute_location+0x84/0xa4 <4>[ 109.448790] sp : ffff800015913cc0 <4>[ 109.452375] x29: ffff800015913cc0 x28: ffff0008024fe200 <4>[ 109.457970] x27: 0000000000000000 x26: 0000000000000000 <4>[ 109.463570] x25: ffff8000114da090 x24: ffff800015913e20 <4>[ 109.469162] x23: 000000000000000d x22: ffff00080778f000 <4>[ 109.474753] x21: 0000000000000001 x20: ffff800010a092f0 <4>[ 109.480345] x19: ffff800013a35000 x18: 0000000000000000 <4>[ 109.485936] x17: 0000000000000000 x16: 0000000000000000 <4>[ 109.491527] x15: 0000000000000030 x14: ffffffffffffffff <4>[ 109.497118] x13: ffff8000959139aa x12: ffff8000159139b2 <4>[ 109.502710] x11: 000008bc098363d2 x10: 0000000000001440 <4>[ 109.508301] x9 : ffff80001012c294 x8 : 0000000000000000 <4>[ 109.513892] x7 : 0000000000000000 x6 : ffff800012565000 <4>[ 109.519483] x5 : ffff800012565c88 x4 : ffff00097ef08c68 <4>[ 109.525074] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 109.530665] x1 : ffff0008024fe200 x0 : 0000000000000033 <4>[ 109.536257] Call trace: <4>[ 109.538970] 0xffff800013a35000 <4>[ 109.542382] lkdtm_EXEC_VMALLOC+0x2c/0x44 <4>[ 109.546661] lkdtm_do_action+0x24/0x40 <4>[ 109.550680] direct_entry+0xd0/0x140 <4>[ 109.554525] full_proxy_write+0x68/0xbc <4>[ 109.558631] vfs_write+0xec/0x20c <4>[ 109.562214] ksys_write+0x70/0x100 <4>[ 109.565883] __arm64_sys_write+0x24/0x30 <4>[ 109.570078] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 109.575140] do_el0_svc+0x2c/0xa4 <4>[ 109.578723] el0_svc+0x20/0x30 <4>[ 109.582045] el0_sync_handler+0xb0/0xb4 <4>[ 109.586149] el0_sync+0x180/0x1c0 <0>[ 109.589736] Code: bad PC value <4>[ 109.593060] ---[ end trace ee45f30151b01cdf ]--- # Segmentation fault # [ 109.334691] lkdtm: Performing direct entry EXEC_VMALLOC # [ 109.340304] lkdtm: attempting ok execution at ffff800010a092f0 # [ 109.346611] lkdtm: attempting bad execution at ffff800013a35000 # [ 109.352938] Unable to handle kernel execute from non-executable memory at virtual address ffff800013a35000 # [ 109.363075] Mem abort info: # [ 109.366147] ESR = 0x8600000f # [ 109.369517] EC = 0x21: IABT (current EL), IL = 32 bits # [ 109.375126] SET = 0, FnV = 0 # [ 109.378453] EA = 0, S1PTW = 0 # [ 109.381883] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081dad000 # [ 109.388881] [ffff800013a35000] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=00000008809f7003, pte=006800088778f703 # [ 109.401763] Internal error: Oops: 000000008600000f [#8] PREEMPT SMP # [ 109.408306] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 109.420062] CPU: 2 PID: 1810 Comm: cat Tainted: G D W 5.10.214-cip46 #1 # [ 109.428089] Hardware name: ARM Juno development board (r0) (DT) # [ 109.434285] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 109.440571] pc : 0xffff800013a35000 # [ 109.444338] lr : execute_location+0x84/0xa4 # [ 109.448790] sp : ffff800015913cc0 # [ 109.452375] x29: ffff800015913cc0 x28: ffff0008024fe200 # [ 109.457970] x27: 0000000000000000 x26: 0000000000000000 # [ 109.463570] x25: ffff8000114da090 x24: ffff800015913e20 # [ 109.469162] x23: 000000000000000d x22: ffff00080778f000 # [ 109.474753] x21: 0000000000000001 x20: ffff800010a092f0 # [ 109.480345] x19: ffff800013a35000 x18: 0000000000000000 # [ 109.485936] x17: 0000000000000000 x16: 0000000000000000 # [ 109.491527] x15: 0000000000000030 x14: ffffffffffffffff # [ 109.497118] x13: ffff8000959139aa x12: ffff8000159139b2 # [ 109.502710] x11: 000008bc098363d2 x10: 0000000000001440 # [ 109.508301] x9 : ffff80001012c294 x8 : 0000000000000000 # [ 109.513892] x7 : 0000000000000000 x6 : ffff800012565000 # [ 109.519483] x5 : ffff800012565c88 x4 : ffff00097ef08c68 # [ 109.525074] x3 : 0000000000000000 x2 : 0000000000000000 # [ 109.530665] x1 : ffff0008024fe200 x0 : 0000000000000033 # [ 109.536257] Call trace: # [ 109.538970] 0xffff800013a35000 # [ 109.542382] lkdtm_EXEC_VMALLOC+0x2c/0x44 # [ 109.546661] lkdtm_do_action+0x24/0x40 # [ 109.550680] direct_entry+0xd0/0x140 # [ 109.554525] full_proxy_write+0x68/0xbc # [ 109.558631] vfs_write+0xec/0x20c # [ 109.562214] ksys_write+0x70/0x100 # [ 109.565883] __arm64_sys_write+0x24/0x30 # [ 109.570078] el0_svc_common.constprop.0+0x84/0x1e0 # [ 109.575140] do_el0_svc+0x2c/0xa4 # [ 109.578723] el0_svc+0x20/0x30 # [ 109.582045] el0_sync_handler+0xb0/0xb4 # [ 109.586149] el0_sync+0x180/0x1c0 # [ 109.589736] Code: bad PC value # [ 109.593060] ---[ end trace ee45f30151b01cdf ]--- # EXEC_VMALLOC: saw 'call trace:': ok ok 33 selftests: lkdtm: EXEC_VMALLOC.sh # selftests: lkdtm: EXEC_RODATA.sh <6>[ 110.003613] lkdtm: Performing direct entry EXEC_RODATA <6>[ 110.009089] lkdtm: attempting ok execution at ffff800010a092f0 <6>[ 110.015327] lkdtm: attempting bad execution at ffff8000114da590 <1>[ 110.021612] Unable to handle kernel execute from non-executable memory at virtual address ffff8000114da590 <1>[ 110.031852] Mem abort info: <1>[ 110.035064] ESR = 0x8600000e <1>[ 110.038399] EC = 0x21: IABT (current EL), IL = 32 bits <1>[ 110.044097] SET = 0, FnV = 0 <1>[ 110.047449] EA = 0, S1PTW = 0 <1>[ 110.050864] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081dad000 <1>[ 110.057865] [ffff8000114da590] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=0060000081600781 <0>[ 110.068835] Internal error: Oops: 000000008600000e [#9] PREEMPT SMP <4>[ 110.075377] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 110.087126] CPU: 1 PID: 1853 Comm: cat Tainted: G D W 5.10.214-cip46 #1 <4>[ 110.095146] Hardware name: ARM Juno development board (r0) (DT) <4>[ 110.101345] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 110.107635] pc : lkdtm_rodata_do_nothing+0x0/0x10 <4>[ 110.112616] lr : execute_location+0x84/0xa4 <4>[ 110.117069] sp : ffff8000159c3cd0 <4>[ 110.120654] x29: ffff8000159c3cd0 x28: ffff000800809880 <4>[ 110.126255] x27: 0000000000000000 x26: 0000000000000000 <4>[ 110.131854] x25: ffff8000114da090 x24: ffff8000159c3e20 <4>[ 110.137447] x23: 000000000000000c x22: ffff000804a8d000 <4>[ 110.143039] x21: 0000000000000000 x20: ffff800010a092f0 <4>[ 110.148630] x19: ffff8000114da590 x18: 0000000000000001 <4>[ 110.154221] x17: 0000000000000000 x16: 0000000000000000 <4>[ 110.159813] x15: 0000000000000030 x14: ffffffffffffffff <4>[ 110.165404] x13: ffff8000959c39ba x12: ffff8000159c39c3 <4>[ 110.170996] x11: ffff800012593d40 x10: ffff8000125ebee0 <4>[ 110.176587] x9 : ffff80001012c294 x8 : ffff800012593ee0 <4>[ 110.182179] x7 : ffff8000125ebee0 x6 : ffff800012565000 <4>[ 110.187771] x5 : ffff800012565c88 x4 : ffff00097efb2c68 <4>[ 110.193362] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 110.198953] x1 : ffff000800809880 x0 : 0000000000000033 <4>[ 110.204544] Call trace: <4>[ 110.207258] lkdtm_rodata_do_nothing+0x0/0x10 <4>[ 110.211886] lkdtm_EXEC_RODATA+0x24/0x30 <4>[ 110.216080] lkdtm_do_action+0x24/0x40 <4>[ 110.220099] direct_entry+0xd0/0x140 <4>[ 110.223944] full_proxy_write+0x68/0xbc <4>[ 110.228049] vfs_write+0xec/0x20c <4>[ 110.231632] ksys_write+0x70/0x100 <4>[ 110.235301] __arm64_sys_write+0x24/0x30 <4>[ 110.239495] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 110.244557] do_el0_svc+0x2c/0xa4 <4>[ 110.248141] el0_svc+0x20/0x30 <4>[ 110.251463] el0_sync_handler+0xb0/0xb4 <4>[ 110.255567] el0_sync+0x180/0x1c0 <0>[ 110.259153] Code: aa55aa55 00000000 00000000 00000000 (d503233f) <4>[ 110.265522] ---[ end trace ee45f30151b01ce0 ]--- # Segmentation fault # [ 110.003613] lkdtm: Performing direct entry EXEC_RODATA # [ 110.009089] lkdtm: attempting ok execution at ffff800010a092f0 # [ 110.015327] lkdtm: attempting bad execution at ffff8000114da590 # [ 110.021612] Unable to handle kernel execute from non-executable memory at virtual address ffff8000114da590 # [ 110.031852] Mem abort info: # [ 110.035064] ESR = 0x8600000e # [ 110.038399] EC = 0x21: IABT (current EL), IL = 32 bits # [ 110.044097] SET = 0, FnV = 0 # [ 110.047449] EA = 0, S1PTW = 0 # [ 110.050864] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081dad000 # [ 110.057865] [ffff8000114da590] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=0060000081600781 # [ 110.068835] Internal error: Oops: 000000008600000e [#9] PREEMPT SMP # [ 110.075377] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 110.087126] CPU: 1 PID: 1853 Comm: cat Tainted: G D W 5.10.214-cip46 #1 # [ 110.095146] Hardware name: ARM Juno development board (r0) (DT) # [ 110.101345] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 110.107635] pc : lkdtm_rodata_do_nothing+0x0/0x10 # [ 110.112616] lr : execute_location+0x84/0xa4 # [ 110.117069] sp : ffff8000159c3cd0 # [ 110.120654] x29: ffff8000159c3cd0 x28: ffff000800809880 # [ 110.126255] x27: 0000000000000000 x26: 0000000000000000 # [ 110.131854] x25: ffff8000114da090 x24: ffff8000159c3e20 # [ 110.137447] x23: 000000000000000c x22: ffff000804a8d000 # [ 110.143039] x21: 0000000000000000 x20: ffff800010a092f0 # [ 110.148630] x19: ffff8000114da590 x18: 0000000000000001 # [ 110.154221] x17: 0000000000000000 x16: 0000000000000000 # [ 110.159813] x15: 0000000000000030 x14: ffffffffffffffff # [ 110.165404] x13: ffff8000959c39ba x12: ffff8000159c39c3 # [ 110.170996] x11: ffff800012593d40 x10: ffff8000125ebee0 # [ 110.176587] x9 : ffff80001012c294 x8 : ffff800012593ee0 # [ 110.182179] x7 : ffff8000125ebee0 x6 : ffff800012565000 # [ 110.187771] x5 : ffff800012565c88 x4 : ffff00097efb2c68 # [ 110.193362] x3 : 0000000000000000 x2 : 0000000000000000 # [ 110.198953] x1 : ffff000800809880 x0 : 0000000000000033 # [ 110.204544] Call trace: # [ 110.207258] lkdtm_rodata_do_nothing+0x0/0x10 # [ 110.211886] lkdtm_EXEC_RODATA+0x24/0x30 # [ 110.216080] lkdtm_do_action+0x24/0x40 # [ 110.220099] direct_entry+0xd0/0x140 # [ 110.223944] full_proxy_write+0x68/0xbc # [ 110.228049] vfs_write+0xec/0x20c # [ 110.231632] ksys_write+0x70/0x100 # [ 110.235301] __arm64_sys_write+0x24/0x30 # [ 110.239495] el0_svc_common.constprop.0+0x84/0x1e0 # [ 110.244557] do_el0_svc+0x2c/0xa4 # [ 110.248141] el0_svc+0x20/0x30 # [ 110.251463] el0_sync_handler+0xb0/0xb4 # [ 110.255567] el0_sync+0x180/0x1c0 # [ 110.259153] Code: aa55aa55 00000000 00000000 00000000 (d503233f) # [ 110.265522] ---[ end trace ee45f30151b01ce0 ]--- # EXEC_RODATA: saw 'call trace:': ok ok 34 selftests: lkdtm: EXEC_RODATA.sh # selftests: lkdtm: EXEC_USERSPACE.sh <6>[ 110.686826] lkdtm: Performing direct entry EXEC_USERSPACE <6>[ 110.692600] lkdtm: attempting ok execution at ffff800010a092f0 <6>[ 110.698828] lkdtm: attempting bad execution at 0000ffff9a2a9000 <1>[ 110.705085] Unable to handle kernel execution of user memory at virtual address 0000ffff9a2a9000 <1>[ 110.714358] Mem abort info: <1>[ 110.717582] ESR = 0x8600000f <1>[ 110.721073] EC = 0x21: IABT (current EL), IL = 32 bits <1>[ 110.726684] SET = 0, FnV = 0 <1>[ 110.730028] EA = 0, S1PTW = 0 <1>[ 110.733461] user pgtable: 4k pages, 48-bit VAs, pgdp=0000000887dbf000 <1>[ 110.740199] [0000ffff9a2a9000] pgd=0000000887d1f003, p4d=0000000887d1f003, pud=000000088882f003, pmd=0000000886d9f003, pte=00a800088c34bf43 <0>[ 110.753083] Internal error: Oops: 000000008600000f [#10] PREEMPT SMP <4>[ 110.759716] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 110.771470] CPU: 1 PID: 1896 Comm: cat Tainted: G D W 5.10.214-cip46 #1 <4>[ 110.779491] Hardware name: ARM Juno development board (r0) (DT) <4>[ 110.785686] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 110.791969] pc : 0xffff9a2a9000 <4>[ 110.795385] lr : lkdtm_EXEC_USERSPACE+0xe0/0xf0 <4>[ 110.800188] sp : ffff800015a93cf0 <4>[ 110.803769] x29: ffff800015a93cf0 x28: ffff000805bf0000 <4>[ 110.809364] x27: 0000000000000000 x26: 0000000000000000 <4>[ 110.814956] x25: ffff8000114da090 x24: ffff800015a93e20 <4>[ 110.820548] x23: 000000000000000f x22: ffff00080683f000 <4>[ 110.826140] x21: ffff8000119eee50 x20: ffff800010a092f0 <4>[ 110.831732] x19: 0000ffff9a2a9000 x18: 0000000000000000 <4>[ 110.837323] x17: 0000000000000000 x16: 0000000000000000 <4>[ 110.842915] x15: 0000000000000030 x14: ffffffffffffffff <4>[ 110.848506] x13: ffff800095a939da x12: ffff800015a939e2 <4>[ 110.854098] x11: ffff800012593d40 x10: ffff8000125ebee0 <4>[ 110.859690] x9 : ffff80001012c294 x8 : ffff800012593ee0 <4>[ 110.865281] x7 : ffff8000125ebee0 x6 : ffff800012565000 <4>[ 110.870872] x5 : ffff800012565c88 x4 : ffff00097efb2c68 <4>[ 110.876463] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 110.882054] x1 : ffff000805bf0000 x0 : 0000000000000033 <4>[ 110.887646] Call trace: <4>[ 110.890359] 0xffff9a2a9000 <4>[ 110.893422] lkdtm_do_action+0x24/0x40 <4>[ 110.897441] direct_entry+0xd0/0x140 <4>[ 110.901285] full_proxy_write+0x68/0xbc <4>[ 110.905391] vfs_write+0xec/0x20c <4>[ 110.908974] ksys_write+0x70/0x100 <4>[ 110.912644] __arm64_sys_write+0x24/0x30 <4>[ 110.916839] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 110.921901] do_el0_svc+0x2c/0xa4 <4>[ 110.925486] el0_svc+0x20/0x30 <4>[ 110.928807] el0_sync_handler+0xb0/0xb4 <4>[ 110.932911] el0_sync+0x180/0x1c0 <0>[ 110.936499] Code: bad PC value <4>[ 110.939823] ---[ end trace ee45f30151b01ce1 ]--- # Segmentation fault # [ 110.686826] lkdtm: Performing direct entry EXEC_USERSPACE # [ 110.692600] lkdtm: attempting ok execution at ffff800010a092f0 # [ 110.698828] lkdtm: attempting bad execution at 0000ffff9a2a9000 # [ 110.705085] Unable to handle kernel execution of user memory at virtual address 0000ffff9a2a9000 # [ 110.714358] Mem abort info: # [ 110.717582] ESR = 0x8600000f # [ 110.721073] EC = 0x21: IABT (current EL), IL = 32 bits # [ 110.726684] SET = 0, FnV = 0 # [ 110.730028] EA = 0, S1PTW = 0 # [ 110.733461] user pgtable: 4k pages, 48-bit VAs, pgdp=0000000887dbf000 # [ 110.740199] [0000ffff9a2a9000] pgd=0000000887d1f003, p4d=0000000887d1f003, pud=000000088882f003, pmd=0000000886d9f003, pte=00a800088c34bf43 # [ 110.753083] Internal error: Oops: 000000008600000f [#10] PREEMPT SMP # [ 110.759716] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 110.771470] CPU: 1 PID: 1896 Comm: cat Tainted: G D W 5.10.214-cip46 #1 # [ 110.779491] Hardware name: ARM Juno development board (r0) (DT) # [ 110.785686] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 110.791969] pc : 0xffff9a2a9000 # [ 110.795385] lr : lkdtm_EXEC_USERSPACE+0xe0/0xf0 # [ 110.800188] sp : ffff800015a93cf0 # [ 110.803769] x29: ffff800015a93cf0 x28: ffff000805bf0000 # [ 110.809364] x27: 0000000000000000 x26: 0000000000000000 # [ 110.814956] x25: ffff8000114da090 x24: ffff800015a93e20 # [ 110.820548] x23: 000000000000000f x22: ffff00080683f000 # [ 110.826140] x21: ffff8000119eee50 x20: ffff800010a092f0 # [ 110.831732] x19: 0000ffff9a2a9000 x18: 0000000000000000 # [ 110.837323] x17: 0000000000000000 x16: 0000000000000000 # [ 110.842915] x15: 0000000000000030 x14: ffffffffffffffff # [ 110.848506] x13: ffff800095a939da x12: ffff800015a939e2 # [ 110.854098] x11: ffff800012593d40 x10: ffff8000125ebee0 # [ 110.859690] x9 : ffff80001012c294 x8 : ffff800012593ee0 # [ 110.865281] x7 : ffff8000125ebee0 x6 : ffff800012565000 # [ 110.870872] x5 : ffff800012565c88 x4 : ffff00097efb2c68 # [ 110.876463] x3 : 0000000000000000 x2 : 0000000000000000 # [ 110.882054] x1 : ffff000805bf0000 x0 : 0000000000000033 # [ 110.887646] Call trace: # [ 110.890359] 0xffff9a2a9000 # [ 110.893422] lkdtm_do_action+0x24/0x40 # [ 110.897441] direct_entry+0xd0/0x140 # [ 110.901285] full_proxy_write+0x68/0xbc # [ 110.905391] vfs_write+0xec/0x20c # [ 110.908974] ksys_write+0x70/0x100 # [ 110.912644] __arm64_sys_write+0x24/0x30 # [ 110.916839] el0_svc_common.constprop.0+0x84/0x1e0 # [ 110.921901] do_el0_svc+0x2c/0xa4 # [ 110.925486] el0_svc+0x20/0x30 # [ 110.928807] el0_sync_handler+0xb0/0xb4 # [ 110.932911] el0_sync+0x180/0x1c0 # [ 110.936499] Code: bad PC value # [ 110.939823] ---[ end trace ee45f30151b01ce1 ]--- # EXEC_USERSPACE: saw 'call trace:': ok ok 35 selftests: lkdtm: EXEC_USERSPACE.sh # selftests: lkdtm: EXEC_NULL.sh <6>[ 111.364653] lkdtm: Performing direct entry EXEC_NULL <6>[ 111.369953] lkdtm: attempting ok execution at ffff800010a092f0 <6>[ 111.376124] lkdtm: attempting bad execution at 0000000000000000 <1>[ 111.382380] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000 <1>[ 111.391570] Mem abort info: <1>[ 111.394647] ESR = 0x86000004 <1>[ 111.398125] EC = 0x21: IABT (current EL), IL = 32 bits <1>[ 111.403854] SET = 0, FnV = 0 <1>[ 111.407208] EA = 0, S1PTW = 0 <1>[ 111.410623] user pgtable: 4k pages, 48-bit VAs, pgdp=0000000884a98000 <1>[ 111.417369] [0000000000000000] pgd=0000000000000000, p4d=0000000000000000 <0>[ 111.424495] Internal error: Oops: 0000000086000004 [#11] PREEMPT SMP <4>[ 111.431125] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 111.442873] CPU: 1 PID: 1939 Comm: cat Tainted: G D W 5.10.214-cip46 #1 <4>[ 111.450892] Hardware name: ARM Juno development board (r0) (DT) <4>[ 111.457089] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 111.463372] pc : 0x0 <4>[ 111.465831] lr : execute_location+0x84/0xa4 <4>[ 111.470286] sp : ffff800015b4bcd0 <4>[ 111.473872] x29: ffff800015b4bcd0 x28: ffff000806ca6200 <4>[ 111.479466] x27: 0000000000000000 x26: 0000000000000000 <4>[ 111.485064] x25: ffff8000114da090 x24: ffff800015b4be20 <4>[ 111.490656] x23: 000000000000000a x22: ffff000806839000 <4>[ 111.496247] x21: 0000000000000000 x20: ffff800010a092f0 <4>[ 111.501839] x19: 0000000000000000 x18: 0000000000000000 <4>[ 111.507430] x17: 0000000000000000 x16: 0000000000000000 <4>[ 111.513021] x15: 0000000000000030 x14: ffffffffffffffff <4>[ 111.518613] x13: ffff800095b4b9ba x12: ffff800015b4b9c2 <4>[ 111.524204] x11: ffff800012593d40 x10: ffff8000125ebee0 <4>[ 111.529795] x9 : ffff80001012c294 x8 : ffff800012593ee0 <4>[ 111.535387] x7 : ffff8000125ebee0 x6 : ffff800012565000 <4>[ 111.540978] x5 : ffff800012565c88 x4 : ffff00097ef6ec68 <4>[ 111.546569] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 111.552160] x1 : ffff000806ca6200 x0 : 0000000000000033 <4>[ 111.557751] Call trace: <4>[ 111.560464] 0x0 <4>[ 111.562569] lkdtm_EXEC_NULL+0x20/0x2c <4>[ 111.566589] lkdtm_do_action+0x24/0x40 <4>[ 111.570607] direct_entry+0xd0/0x140 <4>[ 111.574453] full_proxy_write+0x68/0xbc <4>[ 111.578559] vfs_write+0xec/0x20c <4>[ 111.582141] ksys_write+0x70/0x100 <4>[ 111.585809] __arm64_sys_write+0x24/0x30 <4>[ 111.590004] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 111.595066] do_el0_svc+0x2c/0xa4 <4>[ 111.598648] el0_svc+0x20/0x30 <4>[ 111.601970] el0_sync_handler+0xb0/0xb4 <4>[ 111.606074] el0_sync+0x180/0x1c0 <0>[ 111.609661] Code: bad PC value <4>[ 111.612985] ---[ end trace ee45f30151b01ce2 ]--- # Segmentation fault # [ 111.364653] lkdtm: Performing direct entry EXEC_NULL # [ 111.369953] lkdtm: attempting ok execution at ffff800010a092f0 # [ 111.376124] lkdtm: attempting bad execution at 0000000000000000 # [ 111.382380] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000 # [ 111.391570] Mem abort info: # [ 111.394647] ESR = 0x86000004 # [ 111.398125] EC = 0x21: IABT (current EL), IL = 32 bits # [ 111.403854] SET = 0, FnV = 0 # [ 111.407208] EA = 0, S1PTW = 0 # [ 111.410623] user pgtable: 4k pages, 48-bit VAs, pgdp=0000000884a98000 # [ 111.417369] [0000000000000000] pgd=0000000000000000, p4d=0000000000000000 # [ 111.424495] Internal error: Oops: 0000000086000004 [#11] PREEMPT SMP # [ 111.431125] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 111.442873] CPU: 1 PID: 1939 Comm: cat Tainted: G D W 5.10.214-cip46 #1 # [ 111.450892] Hardware name: ARM Juno development board (r0) (DT) # [ 111.457089] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 111.463372] pc : 0x0 # [ 111.465831] lr : execute_location+0x84/0xa4 # [ 111.470286] sp : ffff800015b4bcd0 # [ 111.473872] x29: ffff800015b4bcd0 x28: ffff000806ca6200 # [ 111.479466] x27: 0000000000000000 x26: 0000000000000000 # [ 111.485064] x25: ffff8000114da090 x24: ffff800015b4be20 # [ 111.490656] x23: 000000000000000a x22: ffff000806839000 # [ 111.496247] x21: 0000000000000000 x20: ffff800010a092f0 # [ 111.501839] x19: 0000000000000000 x18: 0000000000000000 # [ 111.507430] x17: 0000000000000000 x16: 0000000000000000 # [ 111.513021] x15: 0000000000000030 x14: ffffffffffffffff # [ 111.518613] x13: ffff800095b4b9ba x12: ffff800015b4b9c2 # [ 111.524204] x11: ffff800012593d40 x10: ffff8000125ebee0 # [ 111.529795] x9 : ffff80001012c294 x8 : ffff800012593ee0 # [ 111.535387] x7 : ffff8000125ebee0 x6 : ffff800012565000 # [ 111.540978] x5 : ffff800012565c88 x4 : ffff00097ef6ec68 # [ 111.546569] x3 : 0000000000000000 x2 : 0000000000000000 # [ 111.552160] x1 : ffff000806ca6200 x0 : 0000000000000033 # [ 111.557751] Call trace: # [ 111.560464] 0x0 # [ 111.562569] lkdtm_EXEC_NULL+0x20/0x2c # [ 111.566589] lkdtm_do_action+0x24/0x40 # [ 111.570607] direct_entry+0xd0/0x140 # [ 111.574453] full_proxy_write+0x68/0xbc # [ 111.578559] vfs_write+0xec/0x20c # [ 111.582141] ksys_write+0x70/0x100 # [ 111.585809] __arm64_sys_write+0x24/0x30 # [ 111.590004] el0_svc_common.constprop.0+0x84/0x1e0 # [ 111.595066] do_el0_svc+0x2c/0xa4 # [ 111.598648] el0_svc+0x20/0x30 # [ 111.601970] el0_sync_handler+0xb0/0xb4 # [ 111.606074] el0_sync+0x180/0x1c0 # [ 111.609661] Code: bad PC value # [ 111.612985] ---[ end trace ee45f30151b01ce2 ]--- # EXEC_NULL: saw 'call trace:': ok ok 36 selftests: lkdtm: EXEC_NULL.sh # selftests: lkdtm: ACCESS_USERSPACE.sh <6>[ 112.023298] lkdtm: Performing direct entry ACCESS_USERSPACE <6>[ 112.029267] lkdtm: attempting bad read at 0000ffff8267c000 <3>[ 112.035092] lkdtm: FAIL: survived bad read <6>[ 112.039515] lkdtm: attempting bad write at 0000ffff8267c000 <3>[ 112.045480] lkdtm: FAIL: survived bad write # [ 112.023298] lkdtm: Performing direct entry ACCESS_USERSPACE # [ 112.029267] lkdtm: attempting bad read at 0000ffff8267c000 # [ 112.035092] lkdtm: FAIL: survived bad read # [ 112.039515] lkdtm: attempting bad write at 0000ffff8267c000 # [ 112.045480] 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>[ 112.467816] lkdtm: Performing direct entry ACCESS_NULL <6>[ 112.473290] lkdtm: attempting bad read at 0000000000000000 <1>[ 112.479130] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000 <1>[ 112.488259] Mem abort info: <1>[ 112.491443] ESR = 0x96000004 <1>[ 112.494879] EC = 0x25: DABT (current EL), IL = 32 bits <1>[ 112.500601] SET = 0, FnV = 0 <1>[ 112.503951] EA = 0, S1PTW = 0 <1>[ 112.507386] Data abort info: <1>[ 112.510540] ISV = 0, ISS = 0x00000004 <1>[ 112.514667] CM = 0, WnR = 0 <1>[ 112.517928] user pgtable: 4k pages, 48-bit VAs, pgdp=0000000885be3000 <1>[ 112.524683] [0000000000000000] pgd=0000000000000000, p4d=0000000000000000 <0>[ 112.531795] Internal error: Oops: 0000000096000004 [#12] PREEMPT SMP <4>[ 112.538428] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 112.550177] CPU: 1 PID: 2017 Comm: cat Tainted: G D W 5.10.214-cip46 #1 <4>[ 112.558197] Hardware name: ARM Juno development board (r0) (DT) <4>[ 112.564392] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 112.570681] pc : lkdtm_ACCESS_NULL+0x34/0x78 <4>[ 112.575227] lr : lkdtm_ACCESS_NULL+0x2c/0x78 <4>[ 112.579765] sp : ffff800015c83cf0 <4>[ 112.583348] x29: ffff800015c83cf0 x28: ffff000807c38000 <4>[ 112.588946] x27: 0000000000000000 x26: 0000000000000000 <4>[ 112.594541] x25: ffff8000114da090 x24: ffff800015c83e20 <4>[ 112.600133] x23: 000000000000000c x22: ffff000806dbc000 <4>[ 112.605725] x21: ffff8000119eee88 x20: 0000000000000000 <4>[ 112.611317] x19: 0000000000000027 x18: 0000000000000000 <4>[ 112.616908] x17: 0000000000000000 x16: 0000000000000000 <4>[ 112.622500] x15: 0000000000000030 x14: ffffffffffffffff <4>[ 112.628092] x13: ffff800095c839da x12: ffff800015c839e2 <4>[ 112.633684] x11: ffff800012593d40 x10: ffff8000125ebee0 <4>[ 112.639276] x9 : ffff80001012c294 x8 : ffff800012593ee0 <4>[ 112.644867] x7 : ffff8000125ebee0 x6 : ffff800012565000 <4>[ 112.650458] x5 : ffff800012565c88 x4 : ffff00097efb2c68 <4>[ 112.656050] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 112.661641] x1 : 000000000000c0de x0 : ffff8000119ef000 <4>[ 112.667233] Call trace: <4>[ 112.669948] lkdtm_ACCESS_NULL+0x34/0x78 <4>[ 112.674142] lkdtm_do_action+0x24/0x40 <4>[ 112.678161] direct_entry+0xd0/0x140 <4>[ 112.682006] full_proxy_write+0x68/0xbc <4>[ 112.686112] vfs_write+0xec/0x20c <4>[ 112.689694] ksys_write+0x70/0x100 <4>[ 112.693364] __arm64_sys_write+0x24/0x30 <4>[ 112.697559] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 112.702622] do_el0_svc+0x2c/0xa4 <4>[ 112.706205] el0_svc+0x20/0x30 <4>[ 112.709527] el0_sync_handler+0xb0/0xb4 <4>[ 112.713631] el0_sync+0x180/0x1c0 <0>[ 112.717217] Code: 913be000 97ffdfac d2981bc1 f0003e40 (f9400293) <4>[ 112.723587] ---[ end trace ee45f30151b01ce3 ]--- # Segmentation fault # [ 112.467816] lkdtm: Performing direct entry ACCESS_NULL # [ 112.473290] lkdtm: attempting bad read at 0000000000000000 # [ 112.479130] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000 # [ 112.488259] Mem abort info: # [ 112.491443] ESR = 0x96000004 # [ 112.494879] EC = 0x25: DABT (current EL), IL = 32 bits # [ 112.500601] SET = 0, FnV = 0 # [ 112.503951] EA = 0, S1PTW = 0 # [ 112.507386] Data abort info: # [ 112.510540] ISV = 0, ISS = 0x00000004 # [ 112.514667] CM = 0, WnR = 0 # [ 112.517928] user pgtable: 4k pages, 48-bit VAs, pgdp=0000000885be3000 # [ 112.524683] [0000000000000000] pgd=0000000000000000, p4d=0000000000000000 # [ 112.531795] Internal error: Oops: 0000000096000004 [#12] PREEMPT SMP # [ 112.538428] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 112.550177] CPU: 1 PID: 2017 Comm: cat Tainted: G D W 5.10.214-cip46 #1 # [ 112.558197] Hardware name: ARM Juno development board (r0) (DT) # [ 112.564392] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 112.570681] pc : lkdtm_ACCESS_NULL+0x34/0x78 # [ 112.575227] lr : lkdtm_ACCESS_NULL+0x2c/0x78 # [ 112.579765] sp : ffff800015c83cf0 # [ 112.583348] x29: ffff800015c83cf0 x28: ffff000807c38000 # [ 112.588946] x27: 0000000000000000 x26: 0000000000000000 # [ 112.594541] x25: ffff8000114da090 x24: ffff800015c83e20 # [ 112.600133] x23: 000000000000000c x22: ffff000806dbc000 # [ 112.605725] x21: ffff8000119eee88 x20: 0000000000000000 # [ 112.611317] x19: 0000000000000027 x18: 0000000000000000 # [ 112.616908] x17: 0000000000000000 x16: 0000000000000000 # [ 112.622500] x15: 0000000000000030 x14: ffffffffffffffff # [ 112.628092] x13: ffff800095c839da x12: ffff800015c839e2 # [ 112.633684] x11: ffff800012593d40 x10: ffff8000125ebee0 # [ 112.639276] x9 : ffff80001012c294 x8 : ffff800012593ee0 # [ 112.644867] x7 : ffff8000125ebee0 x6 : ffff800012565000 # [ 112.650458] x5 : ffff800012565c88 x4 : ffff00097efb2c68 # [ 112.656050] x3 : 0000000000000000 x2 : 0000000000000000 # [ 112.661641] x1 : 000000000000c0de x0 : ffff8000119ef000 # [ 112.667233] Call trace: # [ 112.669948] lkdtm_ACCESS_NULL+0x34/0x78 # [ 112.674142] lkdtm_do_action+0x24/0x40 # [ 112.678161] direct_entry+0xd0/0x140 # [ 112.682006] full_proxy_write+0x68/0xbc # [ 112.686112] vfs_write+0xec/0x20c # [ 112.689694] ksys_write+0x70/0x100 # [ 112.693364] __arm64_sys_write+0x24/0x30 # [ 112.697559] el0_svc_common.constprop.0+0x84/0x1e0 # [ 112.702622] do_el0_svc+0x2c/0xa4 # [ 112.706205] el0_svc+0x20/0x30 # [ 112.709527] el0_sync_handler+0xb0/0xb4 # [ 112.713631] el0_sync+0x180/0x1c0 # [ 112.717217] Code: 913be000 97ffdfac d2981bc1 f0003e40 (f9400293) # [ 112.723587] ---[ end trace ee45f30151b01ce3 ]--- # ACCESS_NULL: saw 'call trace:': ok ok 38 selftests: lkdtm: ACCESS_NULL.sh # selftests: lkdtm: WRITE_RO.sh <6>[ 113.138306] lkdtm: Performing direct entry WRITE_RO <6>[ 113.143543] lkdtm: attempting bad rodata write at ffff8000114da580 <1>[ 113.150072] Unable to handle kernel write to read-only memory at virtual address ffff8000114da580 <1>[ 113.159360] Mem abort info: <1>[ 113.162523] ESR = 0x9600004e <1>[ 113.165987] EC = 0x25: DABT (current EL), IL = 32 bits <1>[ 113.171600] SET = 0, FnV = 0 <1>[ 113.174931] EA = 0, S1PTW = 0 <1>[ 113.178365] Data abort info: <1>[ 113.181535] ISV = 0, ISS = 0x0000004e <1>[ 113.185668] CM = 0, WnR = 1 <1>[ 113.188925] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081dad000 <1>[ 113.195925] [ffff8000114da580] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=0060000081600781 <0>[ 113.206883] Internal error: Oops: 000000009600004e [#13] PREEMPT SMP <4>[ 113.213515] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 113.225268] CPU: 1 PID: 2063 Comm: cat Tainted: G D W 5.10.214-cip46 #1 <4>[ 113.233290] Hardware name: ARM Juno development board (r0) (DT) <4>[ 113.239491] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 113.245784] pc : lkdtm_WRITE_RO+0x44/0x5c <4>[ 113.250072] lr : lkdtm_WRITE_RO+0x2c/0x5c <4>[ 113.254351] sp : ffff800015d4bcf0 <4>[ 113.257933] x29: ffff800015d4bcf0 x28: ffff000806ca0000 <4>[ 113.263527] x27: 0000000000000000 x26: 0000000000000000 <4>[ 113.269122] x25: ffff8000114da090 x24: ffff800015d4be20 <4>[ 113.274716] x23: 0000000000000009 x22: ffff0008088d8000 <4>[ 113.280308] x21: ffff8000119eee98 x20: ffff8000114da310 <4>[ 113.285900] x19: ffff8000114da000 x18: 0000000000000000 <4>[ 113.291491] x17: 0000000000000000 x16: 0000000000000000 <4>[ 113.297083] x15: 0000000000000030 x14: ffffffffffffffff <4>[ 113.302674] x13: ffff800095d4b9da x12: ffff800015d4b9e2 <4>[ 113.308266] x11: ffff800012593d40 x10: ffff8000125ebee0 <4>[ 113.313857] x9 : ffff80001012c294 x8 : ffff800012593ee0 <4>[ 113.319448] x7 : ffff8000125ebee0 x6 : ffff800012565000 <4>[ 113.325040] x5 : ffff800012565c88 x4 : ffff00097ef6ec68 <4>[ 113.330631] x3 : 0000000000000000 x2 : 00000000abcd1234 <4>[ 113.336222] x1 : 000000000198b861 x0 : ffff8000119efde8 <4>[ 113.341814] Call trace: <4>[ 113.344528] lkdtm_WRITE_RO+0x44/0x5c <4>[ 113.348461] lkdtm_do_action+0x24/0x40 <4>[ 113.352480] direct_entry+0xd0/0x140 <4>[ 113.356325] full_proxy_write+0x68/0xbc <4>[ 113.360432] vfs_write+0xec/0x20c <4>[ 113.364014] ksys_write+0x70/0x100 <4>[ 113.367683] __arm64_sys_write+0x24/0x30 <4>[ 113.371878] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 113.376941] do_el0_svc+0x2c/0xa4 <4>[ 113.380524] el0_svc+0x20/0x30 <4>[ 113.383845] el0_sync_handler+0xb0/0xb4 <4>[ 113.387949] el0_sync+0x180/0x1c0 <0>[ 113.391536] Code: f2b579a2 f0003e40 ca020021 9137a000 (f902c261) <4>[ 113.397905] ---[ end trace ee45f30151b01ce4 ]--- # Segmentation fault # [ 113.138306] lkdtm: Performing direct entry WRITE_RO # [ 113.143543] lkdtm: attempting bad rodata write at ffff8000114da580 # [ 113.150072] Unable to handle kernel write to read-only memory at virtual address ffff8000114da580 # [ 113.159360] Mem abort info: # [ 113.162523] ESR = 0x9600004e # [ 113.165987] EC = 0x25: DABT (current EL), IL = 32 bits # [ 113.171600] SET = 0, FnV = 0 # [ 113.174931] EA = 0, S1PTW = 0 # [ 113.178365] Data abort info: # [ 113.181535] ISV = 0, ISS = 0x0000004e # [ 113.185668] CM = 0, WnR = 1 # [ 113.188925] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081dad000 # [ 113.195925] [ffff8000114da580] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=0060000081600781 # [ 113.206883] Internal error: Oops: 000000009600004e [#13] PREEMPT SMP # [ 113.213515] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 113.225268] CPU: 1 PID: 2063 Comm: cat Tainted: G D W 5.10.214-cip46 #1 # [ 113.233290] Hardware name: ARM Juno development board (r0) (DT) # [ 113.239491] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 113.245784] pc : lkdtm_WRITE_RO+0x44/0x5c # [ 113.250072] lr : lkdtm_WRITE_RO+0x2c/0x5c # [ 113.254351] sp : ffff800015d4bcf0 # [ 113.257933] x29: ffff800015d4bcf0 x28: ffff000806ca0000 # [ 113.263527] x27: 0000000000000000 x26: 0000000000000000 # [ 113.269122] x25: ffff8000114da090 x24: ffff800015d4be20 # [ 113.274716] x23: 0000000000000009 x22: ffff0008088d8000 # [ 113.280308] x21: ffff8000119eee98 x20: ffff8000114da310 # [ 113.285900] x19: ffff8000114da000 x18: 0000000000000000 # [ 113.291491] x17: 0000000000000000 x16: 0000000000000000 # [ 113.297083] x15: 0000000000000030 x14: ffffffffffffffff # [ 113.302674] x13: ffff800095d4b9da x12: ffff800015d4b9e2 # [ 113.308266] x11: ffff800012593d40 x10: ffff8000125ebee0 # [ 113.313857] x9 : ffff80001012c294 x8 : ffff800012593ee0 # [ 113.319448] x7 : ffff8000125ebee0 x6 : ffff800012565000 # [ 113.325040] x5 : ffff800012565c88 x4 : ffff00097ef6ec68 # [ 113.330631] x3 : 0000000000000000 x2 : 00000000abcd1234 # [ 113.336222] x1 : 000000000198b861 x0 : ffff8000119efde8 # [ 113.341814] Call trace: # [ 113.344528] lkdtm_WRITE_RO+0x44/0x5c # [ 113.348461] lkdtm_do_action+0x24/0x40 # [ 113.352480] direct_entry+0xd0/0x140 # [ 113.356325] full_proxy_write+0x68/0xbc # [ 113.360432] vfs_write+0xec/0x20c # [ 113.364014] ksys_write+0x70/0x100 # [ 113.367683] __arm64_sys_write+0x24/0x30 # [ 113.371878] el0_svc_common.constprop.0+0x84/0x1e0 # [ 113.376941] do_el0_svc+0x2c/0xa4 # [ 113.380524] el0_svc+0x20/0x30 # [ 113.383845] el0_sync_handler+0xb0/0xb4 # [ 113.387949] el0_sync+0x180/0x1c0 # [ 113.391536] Code: f2b579a2 f0003e40 ca020021 9137a000 (f902c261) # [ 113.397905] ---[ end trace ee45f30151b01ce4 ]--- # WRITE_RO: saw 'call trace:': ok ok 39 selftests: lkdtm: WRITE_RO.sh # selftests: lkdtm: WRITE_RO_AFTER_INIT.sh <6>[ 113.859865] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT <6>[ 113.866049] lkdtm: attempting bad ro_after_init write at ffff800011ac1918 <1>[ 113.873186] Unable to handle kernel write to read-only memory at virtual address ffff800011ac1918 <1>[ 113.882396] Mem abort info: <1>[ 113.885664] ESR = 0x9600004f <1>[ 113.889125] EC = 0x25: DABT (current EL), IL = 32 bits <1>[ 113.894743] SET = 0, FnV = 0 <1>[ 113.898087] EA = 0, S1PTW = 0 <1>[ 113.901519] Data abort info: <1>[ 113.904694] ISV = 0, ISS = 0x0000004f <1>[ 113.908826] CM = 0, WnR = 1 <1>[ 113.912086] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081dad000 <1>[ 113.919093] [ffff800011ac1918] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=00000009ffffc003, pte=0060000081cc1783 <0>[ 113.931992] Internal error: Oops: 000000009600004f [#14] PREEMPT SMP <4>[ 113.938625] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 113.950381] CPU: 1 PID: 2109 Comm: cat Tainted: G D W 5.10.214-cip46 #1 <4>[ 113.958405] Hardware name: ARM Juno development board (r0) (DT) <4>[ 113.964600] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 113.970889] pc : lkdtm_WRITE_RO_AFTER_INIT+0x68/0x80 <4>[ 113.976129] lr : lkdtm_WRITE_RO_AFTER_INIT+0x50/0x80 <4>[ 113.981366] sp : ffff800015debcf0 <4>[ 113.984947] x29: ffff800015debcf0 x28: ffff000806ca6200 <4>[ 113.990541] x27: 0000000000000000 x26: 0000000000000000 <4>[ 113.996133] x25: ffff8000114da090 x24: ffff800015debe20 <4>[ 114.001726] x23: 0000000000000014 x22: ffff0008056ab000 <4>[ 114.007318] x21: ffff8000119eeea8 x20: ffff8000114da320 <4>[ 114.012909] x19: ffff800011ac1000 x18: 0000000000000000 <4>[ 114.018500] x17: 0000000000000000 x16: 0000000000000000 <4>[ 114.024092] x15: 0000000000000030 x14: ffffffffffffffff <4>[ 114.029683] x13: ffff800095deb9da x12: ffff800015deb9e2 <4>[ 114.035275] x11: ffff800012593d40 x10: ffff8000125ebee0 <4>[ 114.040866] x9 : ffff80001012c294 x8 : ffff800012593ee0 <4>[ 114.046457] x7 : ffff8000125ebee0 x6 : ffff800012565000 <4>[ 114.052049] x5 : ffff800012565c88 x4 : ffff00097ef6ec68 <4>[ 114.057640] x3 : 0000000000000000 x2 : 00000000abcd1234 <4>[ 114.063231] x1 : 00000000fe67479e x0 : ffff8000119efde8 <4>[ 114.068822] Call trace: <4>[ 114.071537] lkdtm_WRITE_RO_AFTER_INIT+0x68/0x80 <4>[ 114.076428] lkdtm_do_action+0x24/0x40 <4>[ 114.080447] direct_entry+0xd0/0x140 <4>[ 114.084292] full_proxy_write+0x68/0xbc <4>[ 114.088398] vfs_write+0xec/0x20c <4>[ 114.091981] ksys_write+0x70/0x100 <4>[ 114.095650] __arm64_sys_write+0x24/0x30 <4>[ 114.099845] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 114.104907] do_el0_svc+0x2c/0xa4 <4>[ 114.108491] el0_svc+0x20/0x30 <4>[ 114.111813] el0_sync_handler+0xb0/0xb4 <4>[ 114.115917] el0_sync+0x180/0x1c0 <0>[ 114.119503] Code: f2b579a2 f0003e40 ca020021 9137a000 (f9048e61) <4>[ 114.125872] ---[ end trace ee45f30151b01ce5 ]--- # Segmentation fault # [ 113.859865] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT # [ 113.866049] lkdtm: attempting bad ro_after_init write at ffff800011ac1918 # [ 113.873186] Unable to handle kernel write to read-only memory at virtual address ffff800011ac1918 # [ 113.882396] Mem abort info: # [ 113.885664] ESR = 0x9600004f # [ 113.889125] EC = 0x25: DABT (current EL), IL = 32 bits # [ 113.894743] SET = 0, FnV = 0 # [ 113.898087] EA = 0, S1PTW = 0 # [ 113.901519] Data abort info: # [ 113.904694] ISV = 0, ISS = 0x0000004f # [ 113.908826] CM = 0, WnR = 1 # [ 113.912086] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081dad000 # [ 113.919093] [ffff800011ac1918] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=00000009ffffc003, pte=0060000081cc1783 # [ 113.931992] Internal error: Oops: 000000009600004f [#14] PREEMPT SMP # [ 113.938625] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 113.950381] CPU: 1 PID: 2109 Comm: cat Tainted: G D W 5.10.214-cip46 #1 # [ 113.958405] Hardware name: ARM Juno development board (r0) (DT) # [ 113.964600] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 113.970889] pc : lkdtm_WRITE_RO_AFTER_INIT+0x68/0x80 # [ 113.976129] lr : lkdtm_WRITE_RO_AFTER_INIT+0x50/0x80 # [ 113.981366] sp : ffff800015debcf0 # [ 113.984947] x29: ffff800015debcf0 x28: ffff000806ca6200 # [ 113.990541] x27: 0000000000000000 x26: 0000000000000000 # [ 113.996133] x25: ffff8000114da090 x24: ffff800015debe20 # [ 114.001726] x23: 0000000000000014 x22: ffff0008056ab000 # [ 114.007318] x21: ffff8000119eeea8 x20: ffff8000114da320 # [ 114.012909] x19: ffff800011ac1000 x18: 0000000000000000 # [ 114.018500] x17: 0000000000000000 x16: 0000000000000000 # [ 114.024092] x15: 0000000000000030 x14: ffffffffffffffff # [ 114.029683] x13: ffff800095deb9da x12: ffff800015deb9e2 # [ 114.035275] x11: ffff800012593d40 x10: ffff8000125ebee0 # [ 114.040866] x9 : ffff80001012c294 x8 : ffff800012593ee0 # [ 114.046457] x7 : ffff8000125ebee0 x6 : ffff800012565000 # [ 114.052049] x5 : ffff800012565c88 x4 : ffff00097ef6ec68 # [ 114.057640] x3 : 0000000000000000 x2 : 00000000abcd1234 # [ 114.063231] x1 : 00000000fe67479e x0 : ffff8000119efde8 # [ 114.068822] Call trace: # [ 114.071537] lkdtm_WRITE_RO_AFTER_INIT+0x68/0x80 # [ 114.076428] lkdtm_do_action+0x24/0x40 # [ 114.080447] direct_entry+0xd0/0x140 # [ 114.084292] full_proxy_write+0x68/0xbc # [ 114.088398] vfs_write+0xec/0x20c # [ 114.091981] ksys_write+0x70/0x100 # [ 114.095650] __arm64_sys_write+0x24/0x30 # [ 114.099845] el0_svc_common.constprop.0+0x84/0x1e0 # [ 114.104907] do_el0_svc+0x2c/0xa4 # [ 114.108491] el0_svc+0x20/0x30 # [ 114.111813] el0_sync_handler+0xb0/0xb4 # [ 114.115917] el0_sync+0x180/0x1c0 # [ 114.119503] Code: f2b579a2 f0003e40 ca020021 9137a000 (f9048e61) # [ 114.125872] ---[ end trace ee45f30151b01ce5 ]--- # WRITE_RO_AFTER_INIT: saw 'call trace:': ok ok 40 selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # selftests: lkdtm: WRITE_KERN.sh <6>[ 114.553575] lkdtm: Performing direct entry WRITE_KERN <6>[ 114.558975] lkdtm: attempting bad 8498912 byte write at ffff8000112241d0 <1>[ 114.566045] Unable to handle kernel write to read-only memory at virtual address ffff8000112241d0 <1>[ 114.575325] Mem abort info: <1>[ 114.578406] ESR = 0x9600004f <1>[ 114.581812] EC = 0x25: DABT (current EL), IL = 32 bits <1>[ 114.587648] SET = 0, FnV = 0 <1>[ 114.590979] EA = 0, S1PTW = 0 <1>[ 114.594432] Data abort info: <1>[ 114.597615] ISV = 0, ISS = 0x0000004f <1>[ 114.601751] CM = 0, WnR = 1 <1>[ 114.605012] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081dad000 <1>[ 114.612014] [ffff8000112241d0] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=00000009ffffd003, pte=0050000081424783 <0>[ 114.624897] Internal error: Oops: 000000009600004f [#15] PREEMPT SMP <4>[ 114.631528] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 114.643282] CPU: 1 PID: 2155 Comm: cat Tainted: G D W 5.10.214-cip46 #1 <4>[ 114.651305] Hardware name: ARM Juno development board (r0) (DT) <4>[ 114.657503] pstate: 20000005 (nzCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 114.663793] pc : __memcpy+0x110/0x180 <4>[ 114.667727] lr : lkdtm_WRITE_KERN+0x54/0x88 <4>[ 114.672177] sp : ffff800015e93ce0 <4>[ 114.675760] x29: ffff800015e93ce0 x28: ffff000800809880 <4>[ 114.681360] x27: 0000000000000000 x26: 0000000000000000 <4>[ 114.686958] x25: ffff8000114da090 x24: ffff800015e93e20 <4>[ 114.692553] x23: 000000000000000b x22: ffff000807f8d000 <4>[ 114.698145] x21: 000000000081aee0 x20: ffff800010a092f0 <4>[ 114.703740] x19: ffff8000112241d0 x18: 0000000000000000 <4>[ 114.709333] x17: 0000000000000000 x16: 0000000000000000 <4>[ 114.714924] x15: 0000000000000030 x14: f9000fe097e4f952 <4>[ 114.720515] x13: f9417800910003fd x12: 52819801d2800802 <4>[ 114.726107] x11: a9be7bfdd00085a0 x10: d503233fd503201f <4>[ 114.731698] x9 : aa1e03e9d65f03c0 x8 : d50323bfd503233f <4>[ 114.737290] x7 : d503201faa1e03e9 x6 : ffff8000112241d0 <4>[ 114.742881] x5 : ffff800012565c88 x4 : 0000000000000000 <4>[ 114.748472] x3 : 0000000000000000 x2 : 000000000081ae60 <4>[ 114.754065] x1 : ffff800010a09330 x0 : ffff8000112241d0 <4>[ 114.759656] Call trace: <4>[ 114.762371] __memcpy+0x110/0x180 <4>[ 114.765956] lkdtm_do_action+0x24/0x40 <4>[ 114.769974] direct_entry+0xd0/0x140 <4>[ 114.773819] full_proxy_write+0x68/0xbc <4>[ 114.777925] vfs_write+0xec/0x20c <4>[ 114.781507] ksys_write+0x70/0x100 <4>[ 114.785177] __arm64_sys_write+0x24/0x30 <4>[ 114.789372] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 114.794435] do_el0_svc+0x2c/0xa4 <4>[ 114.798018] el0_svc+0x20/0x30 <4>[ 114.801340] el0_sync_handler+0xb0/0xb4 <4>[ 114.805443] el0_sync+0x180/0x1c0 <0>[ 114.809030] Code: a8c12027 a8c12829 a8c1302b a8c1382d (a88120c7) <4>[ 114.815400] ---[ end trace ee45f30151b01ce6 ]--- # Segmentation fault # [ 114.553575] lkdtm: Performing direct entry WRITE_KERN # [ 114.558975] lkdtm: attempting bad 8498912 byte write at ffff8000112241d0 # [ 114.566045] Unable to handle kernel write to read-only memory at virtual address ffff8000112241d0 # [ 114.575325] Mem abort info: # [ 114.578406] ESR = 0x9600004f # [ 114.581812] EC = 0x25: DABT (current EL), IL = 32 bits # [ 114.587648] SET = 0, FnV = 0 # [ 114.590979] EA = 0, S1PTW = 0 # [ 114.594432] Data abort info: # [ 114.597615] ISV = 0, ISS = 0x0000004f # [ 114.601751] CM = 0, WnR = 1 # [ 114.605012] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081dad000 # [ 114.612014] [ffff8000112241d0] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=00000009ffffd003, pte=0050000081424783 # [ 114.624897] Internal error: Oops: 000000009600004f [#15] PREEMPT SMP # [ 114.631528] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 114.643282] CPU: 1 PID: 2155 Comm: cat Tainted: G D W 5.10.214-cip46 #1 # [ 114.651305] Hardware name: ARM Juno development board (r0) (DT) # [ 114.657503] pstate: 20000005 (nzCv daif -PAN -UAO -TCO BTYPE=--) # [ 114.663793] pc : __memcpy+0x110/0x180 # [ 114.667727] lr : lkdtm_WRITE_KERN+0x54/0x88 # [ 114.672177] sp : ffff800015e93ce0 # [ 114.675760] x29: ffff800015e93ce0 x28: ffff000800809880 # [ 114.681360] x27: 0000000000000000 x26: 0000000000000000 # [ 114.686958] x25: ffff8000114da090 x24: ffff800015e93e20 # [ 114.692553] x23: 000000000000000b x22: ffff000807f8d000 # [ 114.698145] x21: 000000000081aee0 x20: ffff800010a092f0 # [ 114.703740] x19: ffff8000112241d0 x18: 0000000000000000 # [ 114.709333] x17: 0000000000000000 x16: 0000000000000000 # [ 114.714924] x15: 0000000000000030 x14: f9000fe097e4f952 # [ 114.720515] x13: f9417800910003fd x12: 52819801d2800802 # [ 114.726107] x11: a9be7bfdd00085a0 x10: d503233fd503201f # [ 114.731698] x9 : aa1e03e9d65f03c0 x8 : d50323bfd503233f # [ 114.737290] x7 : d503201faa1e03e9 x6 : ffff8000112241d0 # [ 114.742881] x5 : ffff800012565c88 x4 : 0000000000000000 # [ 114.748472] x3 : 0000000000000000 x2 : 000000000081ae60 # [ 114.754065] x1 : ffff800010a09330 x0 : ffff8000112241d0 # [ 114.759656] Call trace: # [ 114.762371] __memcpy+0x110/0x180 # [ 114.765956] lkdtm_do_action+0x24/0x40 # [ 114.769974] direct_entry+0xd0/0x140 # [ 114.773819] full_proxy_write+0x68/0xbc # [ 114.777925] vfs_write+0xec/0x20c # [ 114.781507] ksys_write+0x70/0x100 # [ 114.785177] __arm64_sys_write+0x24/0x30 # [ 114.789372] el0_svc_common.constprop.0+0x84/0x1e0 # [ 114.794435] do_el0_svc+0x2c/0xa4 # [ 114.798018] el0_svc+0x20/0x30 # [ 114.801340] el0_sync_handler+0xb0/0xb4 # [ 114.805443] el0_sync+0x180/0x1c0 # [ 114.809030] Code: a8c12027 a8c12829 a8c1302b a8c1382d (a88120c7) # [ 114.815400] ---[ end trace ee45f30151b01ce6 ]--- # WRITE_KERN: saw 'call trace:': ok ok 41 selftests: lkdtm: WRITE_KERN.sh # selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh <6>[ 115.252373] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW <6>[ 115.258731] lkdtm: attempting good refcount_inc() without overflow <6>[ 115.265247] lkdtm: attempting bad refcount_inc() overflow <4>[ 115.270973] ------------[ cut here ]------------ <4>[ 115.275981] refcount_t: saturated; leaking memory. <4>[ 115.281301] WARNING: CPU: 2 PID: 2201 at lib/refcount.c:22 refcount_warn_saturate+0x74/0x144 <4>[ 115.290022] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 115.301770] CPU: 2 PID: 2201 Comm: cat Tainted: G D W 5.10.214-cip46 #1 <4>[ 115.309790] Hardware name: ARM Juno development board (r0) (DT) <4>[ 115.315984] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 115.322264] pc : refcount_warn_saturate+0x74/0x144 <4>[ 115.327326] lr : refcount_warn_saturate+0x74/0x144 <4>[ 115.332385] sp : ffff800015f53cd0 <4>[ 115.335965] x29: ffff800015f53cd0 x28: ffff000802e0e200 <4>[ 115.341559] x27: 0000000000000000 x26: 0000000000000000 <4>[ 115.347150] x25: ffff8000114da090 x24: ffff800015f53e20 <4>[ 115.352743] x23: 0000000000000016 x22: ffff0008042cd000 <4>[ 115.358334] x21: ffff8000119eeed0 x20: ffff8000114da340 <4>[ 115.363925] x19: 000000000000002b x18: 0000000000000000 <4>[ 115.369517] x17: 0000000000000000 x16: 0000000000000000 <4>[ 115.375108] x15: 0000000000000000 x14: ffff0008002f0000 <4>[ 115.380700] x13: ffff80096d1af000 x12: 0000000030d4d91d <4>[ 115.386291] x11: 0000000000000000 x10: 0000000000001440 <4>[ 115.391883] x9 : ffff80001012c294 x8 : 0000000000000000 <4>[ 115.397474] x7 : 0000000000000002 x6 : ffff800012565000 <4>[ 115.403066] x5 : ffff800012565c88 x4 : ffff00097ef4cc68 <4>[ 115.408657] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 115.414249] x1 : 0000000000000000 x0 : ffff000802e0e200 <4>[ 115.419840] Call trace: <4>[ 115.422553] refcount_warn_saturate+0x74/0x144 <4>[ 115.427271] __refcount_add.constprop.0+0x7c/0x90 <4>[ 115.432249] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0xa0 <4>[ 115.437312] lkdtm_do_action+0x24/0x40 <4>[ 115.441330] direct_entry+0xd0/0x140 <4>[ 115.445174] full_proxy_write+0x68/0xbc <4>[ 115.449280] vfs_write+0xec/0x20c <4>[ 115.452862] ksys_write+0x70/0x100 <4>[ 115.456532] __arm64_sys_write+0x24/0x30 <4>[ 115.460726] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 115.465788] do_el0_svc+0x2c/0xa4 <4>[ 115.469371] el0_svc+0x20/0x30 <4>[ 115.472693] el0_sync_handler+0xb0/0xb4 <4>[ 115.476797] el0_sync+0x180/0x1c0 <4>[ 115.480378] irq event stamp: 0 <4>[ 115.483701] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 115.490246] hardirqs last disabled at (0): [] copy_process+0x5d4/0x1de0 <4>[ 115.498703] softirqs last enabled at (0): [] copy_process+0x5d4/0x1de0 <4>[ 115.507158] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 115.513697] ---[ end trace ee45f30151b01ce7 ]--- <6>[ 115.518673] lkdtm: Overflow detected: saturated # [ 115.252373] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW # [ 115.258731] lkdtm: attempting good refcount_inc() without overflow # [ 115.265247] lkdtm: attempting bad refcount_inc() overflow # [ 115.270973] ------------[ cut here ]------------ # [ 115.275981] refcount_t: saturated; leaking memory. # [ 115.281301] WARNING: CPU: 2 PID: 2201 at lib/refcount.c:22 refcount_warn_saturate+0x74/0x144 # [ 115.290022] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 115.301770] CPU: 2 PID: 2201 Comm: cat Tainted: G D W 5.10.214-cip46 #1 # [ 115.309790] Hardware name: ARM Juno development board (r0) (DT) # [ 115.315984] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 115.322264] pc : refcount_warn_saturate+0x74/0x144 # [ 115.327326] lr : refcount_warn_saturate+0x74/0x144 # [ 115.332385] sp : ffff800015f53cd0 # [ 115.335965] x29: ffff800015f53cd0 x28: ffff000802e0e200 # [ 115.341559] x27: 0000000000000000 x26: 0000000000000000 # [ 115.347150] x25: ffff8000114da090 x24: ffff800015f53e20 # [ 115.352743] x23: 0000000000000016 x22: ffff0008042cd000 # [ 115.358334] x21: ffff8000119eeed0 x20: ffff8000114da340 # [ 115.363925] x19: 000000000000002b x18: 0000000000000000 # [ 115.369517] x17: 0000000000000000 x16: 0000000000000000 # [ 115.375108] x15: 0000000000000000 x14: ffff0008002f0000 # [ 115.380700] x13: ffff80096d1af000 x12: 0000000030d4d91d # [ 115.386291] x11: 0000000000000000 x10: 0000000000001440 # [ 115.391883] x9 : ffff80001012c294 x8 : 0000000000000000 # [ 115.397474] x7 : 0000000000000002 x6 : ffff800012565000 # [ 115.403066] x5 : ffff800012565c88 x4 : ffff00097ef4cc68 # [ 115.408657] x3 : 0000000000000000 x2 : 0000000000000000 # [ 115.414249] x1 : 0000000000000000 x0 : ffff000802e0e200 # [ 115.419840] Call trace: # [ 115.422553] refcount_warn_saturate+0x74/0x144 # [ 115.427271] __refcount_add.constprop.0+0x7c/0x90 # [ 115.432249] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0xa0 # [ 115.437312] lkdtm_do_action+0x24/0x40 # [ 115.441330] direct_entry+0xd0/0x140 # [ 115.445174] full_proxy_write+0x68/0xbc # [ 115.449280] vfs_write+0xec/0x20c # [ 115.452862] ksys_write+0x70/0x100 # [ 115.456532] __arm64_sys_write+0x24/0x30 # [ 115.460726] el0_svc_common.constprop.0+0x84/0x1e0 # [ 115.465788] do_el0_svc+0x2c/0xa4 # [ 115.469371] el0_svc+0x20/0x30 # [ 115.472693] el0_sync_handler+0xb0/0xb4 # [ 115.476797] el0_sync+0x180/0x1c0 # [ 115.480378] irq event stamp: 0 # [ 115.483701] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 115.490246] hardirqs last disabled at (0): [] copy_process+0x5d4/0x1de0 # [ 115.498703] softirqs last enabled at (0): [] copy_process+0x5d4/0x1de0 # [ 115.507158] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 115.513697] ---[ end trace ee45f30151b01ce7 ]--- # [ 115.518673] 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>[ 115.963553] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW <6>[ 115.969894] lkdtm: attempting good refcount_add() without overflow <6>[ 115.976483] lkdtm: attempting bad refcount_add() overflow <4>[ 115.982239] ------------[ cut here ]------------ <4>[ 115.987427] refcount_t: saturated; leaking memory. <4>[ 115.992668] WARNING: CPU: 1 PID: 2234 at lib/refcount.c:22 refcount_warn_saturate+0x74/0x144 <4>[ 116.001389] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 116.013137] CPU: 1 PID: 2234 Comm: cat Tainted: G D W 5.10.214-cip46 #1 <4>[ 116.021157] Hardware name: ARM Juno development board (r0) (DT) <4>[ 116.027351] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 116.033632] pc : refcount_warn_saturate+0x74/0x144 <4>[ 116.038694] lr : refcount_warn_saturate+0x74/0x144 <4>[ 116.043752] sp : ffff800015fe3cd0 <4>[ 116.047333] x29: ffff800015fe3cd0 x28: ffff000800ba3100 <4>[ 116.052926] x27: 0000000000000000 x26: 0000000000000000 <4>[ 116.058519] x25: ffff8000114da090 x24: ffff800015fe3e20 <4>[ 116.064110] x23: 0000000000000016 x22: ffff0008059f5000 <4>[ 116.069702] x21: ffff8000119eeee8 x20: ffff8000114da350 <4>[ 116.075293] x19: 000000000000002c x18: 0000000000000000 <4>[ 116.080884] x17: 0000000000000000 x16: 0000000000000000 <4>[ 116.086475] x15: 0000000000000000 x14: ffff00080029e200 <4>[ 116.092067] x13: 0000000000000d04 x12: 071c71c71c71c71c <4>[ 116.097659] x11: 0000000000000d04 x10: 0000000000001440 <4>[ 116.103251] x9 : ffff80001012c294 x8 : 0000000000000000 <4>[ 116.108843] x7 : 0000000000186a00 x6 : ffff800012565000 <4>[ 116.114434] x5 : ffff800012565c88 x4 : ffff00097ef2ac68 <4>[ 116.120026] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 116.125617] x1 : 0000000000000000 x0 : ffff000800ba3100 <4>[ 116.131209] Call trace: <4>[ 116.133922] refcount_warn_saturate+0x74/0x144 <4>[ 116.138640] __refcount_add.constprop.0+0x7c/0x90 <4>[ 116.143618] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7c/0xac <4>[ 116.148680] lkdtm_do_action+0x24/0x40 <4>[ 116.152698] direct_entry+0xd0/0x140 <4>[ 116.156542] full_proxy_write+0x68/0xbc <4>[ 116.160648] vfs_write+0xec/0x20c <4>[ 116.164231] ksys_write+0x70/0x100 <4>[ 116.167899] __arm64_sys_write+0x24/0x30 <4>[ 116.172094] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 116.177155] do_el0_svc+0x2c/0xa4 <4>[ 116.180738] el0_svc+0x20/0x30 <4>[ 116.184060] el0_sync_handler+0xb0/0xb4 <4>[ 116.188164] el0_sync+0x180/0x1c0 <4>[ 116.191744] irq event stamp: 0 <4>[ 116.195067] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 116.201612] hardirqs last disabled at (0): [] copy_process+0x5d4/0x1de0 <4>[ 116.210070] softirqs last enabled at (0): [] copy_process+0x5d4/0x1de0 <4>[ 116.218525] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 116.225064] ---[ end trace ee45f30151b01ce8 ]--- <6>[ 116.230035] lkdtm: Overflow detected: saturated # [ 115.963553] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW # [ 115.969894] lkdtm: attempting good refcount_add() without overflow # [ 115.976483] lkdtm: attempting bad refcount_add() overflow # [ 115.982239] ------------[ cut here ]------------ # [ 115.987427] refcount_t: saturated; leaking memory. # [ 115.992668] WARNING: CPU: 1 PID: 2234 at lib/refcount.c:22 refcount_warn_saturate+0x74/0x144 # [ 116.001389] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 116.013137] CPU: 1 PID: 2234 Comm: cat Tainted: G D W 5.10.214-cip46 #1 # [ 116.021157] Hardware name: ARM Juno development board (r0) (DT) # [ 116.027351] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 116.033632] pc : refcount_warn_saturate+0x74/0x144 # [ 116.038694] lr : refcount_warn_saturate+0x74/0x144 # [ 116.043752] sp : ffff800015fe3cd0 # [ 116.047333] x29: ffff800015fe3cd0 x28: ffff000800ba3100 # [ 116.052926] x27: 0000000000000000 x26: 0000000000000000 # [ 116.058519] x25: ffff8000114da090 x24: ffff800015fe3e20 # [ 116.064110] x23: 0000000000000016 x22: ffff0008059f5000 # [ 116.069702] x21: ffff8000119eeee8 x20: ffff8000114da350 # [ 116.075293] x19: 000000000000002c x18: 0000000000000000 # [ 116.080884] x17: 0000000000000000 x16: 0000000000000000 # [ 116.086475] x15: 0000000000000000 x14: ffff00080029e200 # [ 116.092067] x13: 0000000000000d04 x12: 071c71c71c71c71c # [ 116.097659] x11: 0000000000000d04 x10: 0000000000001440 # [ 116.103251] x9 : ffff80001012c294 x8 : 0000000000000000 # [ 116.108843] x7 : 0000000000186a00 x6 : ffff800012565000 # [ 116.114434] x5 : ffff800012565c88 x4 : ffff00097ef2ac68 # [ 116.120026] x3 : 0000000000000000 x2 : 0000000000000000 # [ 116.125617] x1 : 0000000000000000 x0 : ffff000800ba3100 # [ 116.131209] Call trace: # [ 116.133922] refcount_warn_saturate+0x74/0x144 # [ 116.138640] __refcount_add.constprop.0+0x7c/0x90 # [ 116.143618] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7c/0xac # [ 116.148680] lkdtm_do_action+0x24/0x40 # [ 116.152698] direct_entry+0xd0/0x140 # [ 116.156542] full_proxy_write+0x68/0xbc # [ 116.160648] vfs_write+0xec/0x20c # [ 116.164231] ksys_write+0x70/0x100 # [ 116.167899] __arm64_sys_write+0x24/0x30 # [ 116.172094] el0_svc_common.constprop.0+0x84/0x1e0 # [ 116.177155] do_el0_svc+0x2c/0xa4 # [ 116.180738] el0_svc+0x20/0x30 # [ 116.184060] el0_sync_handler+0xb0/0xb4 # [ 116.188164] el0_sync+0x180/0x1c0 # [ 116.191744] irq event stamp: 0 # [ 116.195067] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 116.201612] hardirqs last disabled at (0): [] copy_process+0x5d4/0x1de0 # [ 116.210070] softirqs last enabled at (0): [] copy_process+0x5d4/0x1de0 # [ 116.218525] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 116.225064] ---[ end trace ee45f30151b01ce8 ]--- # [ 116.230035] 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>[ 116.709839] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW <6>[ 116.717074] lkdtm: attempting bad refcount_inc_not_zero() overflow <4>[ 116.723663] ------------[ cut here ]------------ <4>[ 116.728629] refcount_t: saturated; leaking memory. <4>[ 116.734010] WARNING: CPU: 1 PID: 2267 at lib/refcount.c:19 refcount_warn_saturate+0xc8/0x144 <4>[ 116.742730] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 116.754479] CPU: 1 PID: 2267 Comm: cat Tainted: G D W 5.10.214-cip46 #1 <4>[ 116.762498] Hardware name: ARM Juno development board (r0) (DT) <4>[ 116.768693] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 116.774974] pc : refcount_warn_saturate+0xc8/0x144 <4>[ 116.780035] lr : refcount_warn_saturate+0xc8/0x144 <4>[ 116.785094] sp : ffff80001605bcb0 <4>[ 116.788676] x29: ffff80001605bcb0 x28: ffff000804a06200 <4>[ 116.794270] x27: 0000000000000000 x26: 0000000000000000 <4>[ 116.799862] x25: ffff8000114da090 x24: ffff80001605be20 <4>[ 116.805454] x23: 000000000000001f x22: ffff0008025d6000 <4>[ 116.811046] x21: 0000000000000001 x20: 000000007fffffff <4>[ 116.816638] x19: ffff80001605bd04 x18: 0000000000000000 <4>[ 116.822229] x17: 0000000000000000 x16: 0000000000000000 <4>[ 116.827821] x15: 000000000000024e x14: 000000000000024d <4>[ 116.833412] x13: 0000000000000003 x12: 0000000000000003 <4>[ 116.839003] x11: 0000000000000000 x10: 0000000000001440 <4>[ 116.844595] x9 : ffff80001012c294 x8 : 0000000000000000 <4>[ 116.850186] x7 : 0000000000000000 x6 : ffff800012565000 <4>[ 116.855778] x5 : ffff800012565c88 x4 : ffff00097ef2ac68 <4>[ 116.861369] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 116.866960] x1 : 0000000000000000 x0 : ffff000804a06200 <4>[ 116.872552] Call trace: <4>[ 116.875266] refcount_warn_saturate+0xc8/0x144 <4>[ 116.879984] __refcount_add_not_zero.constprop.0+0x98/0xb4 <4>[ 116.885742] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x48/0x8c <4>[ 116.891589] lkdtm_do_action+0x24/0x40 <4>[ 116.895607] direct_entry+0xd0/0x140 <4>[ 116.899451] full_proxy_write+0x68/0xbc <4>[ 116.903557] vfs_write+0xec/0x20c <4>[ 116.907139] ksys_write+0x70/0x100 <4>[ 116.910808] __arm64_sys_write+0x24/0x30 <4>[ 116.915002] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 116.920065] do_el0_svc+0x2c/0xa4 <4>[ 116.923648] el0_svc+0x20/0x30 <4>[ 116.926970] el0_sync_handler+0xb0/0xb4 <4>[ 116.931074] el0_sync+0x180/0x1c0 <4>[ 116.934655] irq event stamp: 0 <4>[ 116.937977] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 116.944522] hardirqs last disabled at (0): [] copy_process+0x5d4/0x1de0 <4>[ 116.952979] softirqs last enabled at (0): [] copy_process+0x5d4/0x1de0 <4>[ 116.961434] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 116.967974] ---[ end trace ee45f30151b01ce9 ]--- <6>[ 116.972992] lkdtm: Overflow detected: saturated # [ 116.709839] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 116.717074] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 116.723663] ------------[ cut here ]------------ # [ 116.728629] refcount_t: saturated; leaking memory. # [ 116.734010] WARNING: CPU: 1 PID: 2267 at lib/refcount.c:19 refcount_warn_saturate+0xc8/0x144 # [ 116.742730] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 116.754479] CPU: 1 PID: 2267 Comm: cat Tainted: G D W 5.10.214-cip46 #1 # [ 116.762498] Hardware name: ARM Juno development board (r0) (DT) # [ 116.768693] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 116.774974] pc : refcount_warn_saturate+0xc8/0x144 # [ 116.780035] lr : refcount_warn_saturate+0xc8/0x144 # [ 116.785094] sp : ffff80001605bcb0 # [ 116.788676] x29: ffff80001605bcb0 x28: ffff000804a06200 # [ 116.794270] x27: 0000000000000000 x26: 0000000000000000 # [ 116.799862] x25: ffff8000114da090 x24: ffff80001605be20 # [ 116.805454] x23: 000000000000001f x22: ffff0008025d6000 # [ 116.811046] x21: 0000000000000001 x20: 000000007fffffff # [ 116.816638] x19: ffff80001605bd04 x18: 0000000000000000 # [ 116.822229] x17: 0000000000000000 x16: 0000000000000000 # [ 116.827821] x15: 000000000000024e x14: 000000000000024d # [ 116.833412] x13: 0000000000000003 x12: 0000000000000003 # [ 116.839003] x11: 0000000000000000 x10: 0000000000001440 # [ 116.844595] x9 : ffff80001012c294 x8 : 0000000000000000 # [ 116.850186] x7 : 0000000000000000 x6 : ffff800012565000 # [ 116.855778] x5 : ffff800012565c88 x4 : ffff00097ef2ac68 # [ 116.861369] x3 : 0000000000000000 x2 : 0000000000000000 # [ 116.866960] x1 : 0000000000000000 x0 : ffff000804a06200 # [ 116.872552] Call trace: # [ 116.875266] refcount_warn_saturate+0xc8/0x144 # [ 116.879984] __refcount_add_not_zero.constprop.0+0x98/0xb4 # [ 116.885742] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x48/0x8c # [ 116.891589] lkdtm_do_action+0x24/0x40 # [ 116.895607] direct_entry+0xd0/0x140 # [ 116.899451] full_proxy_write+0x68/0xbc # [ 116.903557] vfs_write+0xec/0x20c # [ 116.907139] ksys_write+0x70/0x100 # [ 116.910808] __arm64_sys_write+0x24/0x30 # [ 116.915002] el0_svc_common.constprop.0+0x84/0x1e0 # [ 116.920065] do_el0_svc+0x2c/0xa4 # [ 116.923648] el0_svc+0x20/0x30 # [ 116.926970] el0_sync_handler+0xb0/0xb4 # [ 116.931074] el0_sync+0x180/0x1c0 # [ 116.934655] irq event stamp: 0 # [ 116.937977] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 116.944522] hardirqs last disabled at (0): [] copy_process+0x5d4/0x1de0 # [ 116.952979] softirqs last enabled at (0): [] copy_process+0x5d4/0x1de0 # [ 116.961434] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 116.967974] ---[ end trace ee45f30151b01ce9 ]--- # [ 116.972992] 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>[ 117.428559] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW <6>[ 117.435773] lkdtm: attempting bad refcount_add_not_zero() overflow <4>[ 117.442358] ------------[ cut here ]------------ <4>[ 117.447329] refcount_t: saturated; leaking memory. <4>[ 117.452733] WARNING: CPU: 1 PID: 2300 at lib/refcount.c:19 refcount_warn_saturate+0xc8/0x144 <4>[ 117.461453] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 117.473203] CPU: 1 PID: 2300 Comm: cat Tainted: G D W 5.10.214-cip46 #1 <4>[ 117.481222] Hardware name: ARM Juno development board (r0) (DT) <4>[ 117.487418] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 117.493699] pc : refcount_warn_saturate+0xc8/0x144 <4>[ 117.498761] lr : refcount_warn_saturate+0xc8/0x144 <4>[ 117.503820] sp : ffff8000160fbcb0 <4>[ 117.507401] x29: ffff8000160fbcb0 x28: ffff000804a00000 <4>[ 117.512994] x27: 0000000000000000 x26: 0000000000000000 <4>[ 117.518586] x25: ffff8000114da090 x24: ffff8000160fbe20 <4>[ 117.524178] x23: 000000000000001f x22: ffff000804ee0000 <4>[ 117.529770] x21: 0000000000000006 x20: 000000007fffffff <4>[ 117.535361] x19: ffff8000160fbd04 x18: 0000000000000000 <4>[ 117.540952] x17: 0000000000000000 x16: 0000000000000000 <4>[ 117.546544] x15: 0000000000000000 x14: 0000000000000000 <4>[ 117.552136] x13: 0000000000000e3c x12: 071c71c71c71c71c <4>[ 117.557727] x11: 0000000000000e3c x10: 0000000000001440 <4>[ 117.563318] x9 : ffff80001012c294 x8 : 0000000000000000 <4>[ 117.568910] x7 : 0000000000186a00 x6 : ffff800012565000 <4>[ 117.574501] x5 : ffff800012565c88 x4 : ffff00097ef2ac68 <4>[ 117.580092] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 117.585684] x1 : 0000000000000000 x0 : ffff000804a00000 <4>[ 117.591276] Call trace: <4>[ 117.593989] refcount_warn_saturate+0xc8/0x144 <4>[ 117.598708] __refcount_add_not_zero.constprop.0+0x98/0xb4 <4>[ 117.604467] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x48/0x8c <4>[ 117.610315] lkdtm_do_action+0x24/0x40 <4>[ 117.614333] direct_entry+0xd0/0x140 <4>[ 117.618178] full_proxy_write+0x68/0xbc <4>[ 117.622284] vfs_write+0xec/0x20c <4>[ 117.625866] ksys_write+0x70/0x100 <4>[ 117.629536] __arm64_sys_write+0x24/0x30 <4>[ 117.633730] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 117.638792] do_el0_svc+0x2c/0xa4 <4>[ 117.642376] el0_svc+0x20/0x30 <4>[ 117.645697] el0_sync_handler+0xb0/0xb4 <4>[ 117.649801] el0_sync+0x180/0x1c0 <4>[ 117.653382] irq event stamp: 0 <4>[ 117.656705] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 117.663249] hardirqs last disabled at (0): [] copy_process+0x5d4/0x1de0 <4>[ 117.671707] softirqs last enabled at (0): [] copy_process+0x5d4/0x1de0 <4>[ 117.680162] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 117.686701] ---[ end trace ee45f30151b01cea ]--- <6>[ 117.691658] lkdtm: Overflow detected: saturated # [ 117.428559] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 117.435773] lkdtm: attempting bad refcount_add_not_zero() overflow # [ 117.442358] ------------[ cut here ]------------ # [ 117.447329] refcount_t: saturated; leaking memory. # [ 117.452733] WARNING: CPU: 1 PID: 2300 at lib/refcount.c:19 refcount_warn_saturate+0xc8/0x144 # [ 117.461453] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 117.473203] CPU: 1 PID: 2300 Comm: cat Tainted: G D W 5.10.214-cip46 #1 # [ 117.481222] Hardware name: ARM Juno development board (r0) (DT) # [ 117.487418] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 117.493699] pc : refcount_warn_saturate+0xc8/0x144 # [ 117.498761] lr : refcount_warn_saturate+0xc8/0x144 # [ 117.503820] sp : ffff8000160fbcb0 # [ 117.507401] x29: ffff8000160fbcb0 x28: ffff000804a00000 # [ 117.512994] x27: 0000000000000000 x26: 0000000000000000 # [ 117.518586] x25: ffff8000114da090 x24: ffff8000160fbe20 # [ 117.524178] x23: 000000000000001f x22: ffff000804ee0000 # [ 117.529770] x21: 0000000000000006 x20: 000000007fffffff # [ 117.535361] x19: ffff8000160fbd04 x18: 0000000000000000 # [ 117.540952] x17: 0000000000000000 x16: 0000000000000000 # [ 117.546544] x15: 0000000000000000 x14: 0000000000000000 # [ 117.552136] x13: 0000000000000e3c x12: 071c71c71c71c71c # [ 117.557727] x11: 0000000000000e3c x10: 0000000000001440 # [ 117.563318] x9 : ffff80001012c294 x8 : 0000000000000000 # [ 117.568910] x7 : 0000000000186a00 x6 : ffff800012565000 # [ 117.574501] x5 : ffff800012565c88 x4 : ffff00097ef2ac68 # [ 117.580092] x3 : 0000000000000000 x2 : 0000000000000000 # [ 117.585684] x1 : 0000000000000000 x0 : ffff000804a00000 # [ 117.591276] Call trace: # [ 117.593989] refcount_warn_saturate+0xc8/0x144 # [ 117.598708] __refcount_add_not_zero.constprop.0+0x98/0xb4 # [ 117.604467] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x48/0x8c # [ 117.610315] lkdtm_do_action+0x24/0x40 # [ 117.614333] direct_entry+0xd0/0x140 # [ 117.618178] full_proxy_write+0x68/0xbc # [ 117.622284] vfs_write+0xec/0x20c # [ 117.625866] ksys_write+0x70/0x100 # [ 117.629536] __arm64_sys_write+0x24/0x30 # [ 117.633730] el0_svc_common.constprop.0+0x84/0x1e0 # [ 117.638792] do_el0_svc+0x2c/0xa4 # [ 117.642376] el0_svc+0x20/0x30 # [ 117.645697] el0_sync_handler+0xb0/0xb4 # [ 117.649801] el0_sync+0x180/0x1c0 # [ 117.653382] irq event stamp: 0 # [ 117.656705] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 117.663249] hardirqs last disabled at (0): [] copy_process+0x5d4/0x1de0 # [ 117.671707] softirqs last enabled at (0): [] copy_process+0x5d4/0x1de0 # [ 117.680162] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 117.686701] ---[ end trace ee45f30151b01cea ]--- # [ 117.691658] 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>[ 118.148735] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO <6>[ 118.154740] lkdtm: attempting good refcount_dec() <6>[ 118.159779] lkdtm: attempting bad refcount_dec() to zero <4>[ 118.165421] ------------[ cut here ]------------ <4>[ 118.170367] refcount_t: decrement hit 0; leaking memory. <4>[ 118.176275] WARNING: CPU: 1 PID: 2333 at lib/refcount.c:31 refcount_warn_saturate+0x13c/0x144 <4>[ 118.185083] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 118.196831] CPU: 1 PID: 2333 Comm: cat Tainted: G D W 5.10.214-cip46 #1 <4>[ 118.204850] Hardware name: ARM Juno development board (r0) (DT) <4>[ 118.211045] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 118.217326] pc : refcount_warn_saturate+0x13c/0x144 <4>[ 118.222474] lr : refcount_warn_saturate+0x13c/0x144 <4>[ 118.227620] sp : ffff8000161c3cc0 <4>[ 118.231200] x29: ffff8000161c3cc0 x28: ffff000807c39880 <4>[ 118.236793] x27: 0000000000000000 x26: 0000000000000000 <4>[ 118.242385] x25: ffff8000114da090 x24: ffff8000161c3e20 <4>[ 118.247977] x23: 0000000000000012 x22: ffff000807d24000 <4>[ 118.253569] x21: ffff8000119eef40 x20: ffff8000114da380 <4>[ 118.259161] x19: ffff8000161c3d04 x18: 0000000000000000 <4>[ 118.264752] x17: 0000000000000000 x16: 0000000000000000 <4>[ 118.270343] x15: 0000000000000000 x14: ffff00080029e200 <4>[ 118.275935] x13: ffff80096d18d000 x12: 0000000030d4d91d <4>[ 118.281526] x11: 0000000000000000 x10: 0000000000001440 <4>[ 118.287118] x9 : ffff80001012c294 x8 : 0000000000000000 <4>[ 118.292710] x7 : 00000034b5503510 x6 : ffff800012565000 <4>[ 118.298301] x5 : ffff800012565c88 x4 : ffff00097ef2ac68 <4>[ 118.303893] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 118.309484] x1 : 0000000000000000 x0 : ffff000807c39880 <4>[ 118.315076] Call trace: <4>[ 118.317789] refcount_warn_saturate+0x13c/0x144 <4>[ 118.322593] __refcount_dec.constprop.0+0x5c/0x6c <4>[ 118.327569] lkdtm_REFCOUNT_DEC_ZERO+0x54/0xe0 <4>[ 118.332286] lkdtm_do_action+0x24/0x40 <4>[ 118.336303] direct_entry+0xd0/0x140 <4>[ 118.340148] full_proxy_write+0x68/0xbc <4>[ 118.344254] vfs_write+0xec/0x20c <4>[ 118.347836] ksys_write+0x70/0x100 <4>[ 118.351505] __arm64_sys_write+0x24/0x30 <4>[ 118.355699] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 118.360761] do_el0_svc+0x2c/0xa4 <4>[ 118.364345] el0_svc+0x20/0x30 <4>[ 118.367666] el0_sync_handler+0xb0/0xb4 <4>[ 118.371770] el0_sync+0x180/0x1c0 <4>[ 118.375351] irq event stamp: 0 <4>[ 118.378675] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 118.385219] hardirqs last disabled at (0): [] copy_process+0x5d4/0x1de0 <4>[ 118.393677] softirqs last enabled at (0): [] copy_process+0x5d4/0x1de0 <4>[ 118.402132] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 118.408671] ---[ end trace ee45f30151b01ceb ]--- <6>[ 118.413719] lkdtm: Zero detected: saturated # [ 118.148735] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO # [ 118.154740] lkdtm: attempting good refcount_dec() # [ 118.159779] lkdtm: attempting bad refcount_dec() to zero # [ 118.165421] ------------[ cut here ]------------ # [ 118.170367] refcount_t: decrement hit 0; leaking memory. # [ 118.176275] WARNING: CPU: 1 PID: 2333 at lib/refcount.c:31 refcount_warn_saturate+0x13c/0x144 # [ 118.185083] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 118.196831] CPU: 1 PID: 2333 Comm: cat Tainted: G D W 5.10.214-cip46 #1 # [ 118.204850] Hardware name: ARM Juno development board (r0) (DT) # [ 118.211045] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 118.217326] pc : refcount_warn_saturate+0x13c/0x144 # [ 118.222474] lr : refcount_warn_saturate+0x13c/0x144 # [ 118.227620] sp : ffff8000161c3cc0 # [ 118.231200] x29: ffff8000161c3cc0 x28: ffff000807c39880 # [ 118.236793] x27: 0000000000000000 x26: 0000000000000000 # [ 118.242385] x25: ffff8000114da090 x24: ffff8000161c3e20 # [ 118.247977] x23: 0000000000000012 x22: ffff000807d24000 # [ 118.253569] x21: ffff8000119eef40 x20: ffff8000114da380 # [ 118.259161] x19: ffff8000161c3d04 x18: 0000000000000000 # [ 118.264752] x17: 0000000000000000 x16: 0000000000000000 # [ 118.270343] x15: 0000000000000000 x14: ffff00080029e200 # [ 118.275935] x13: ffff80096d18d000 x12: 0000000030d4d91d # [ 118.281526] x11: 0000000000000000 x10: 0000000000001440 # [ 118.287118] x9 : ffff80001012c294 x8 : 0000000000000000 # [ 118.292710] x7 : 00000034b5503510 x6 : ffff800012565000 # [ 118.298301] x5 : ffff800012565c88 x4 : ffff00097ef2ac68 # [ 118.303893] x3 : 0000000000000000 x2 : 0000000000000000 # [ 118.309484] x1 : 0000000000000000 x0 : ffff000807c39880 # [ 118.315076] Call trace: # [ 118.317789] refcount_warn_saturate+0x13c/0x144 # [ 118.322593] __refcount_dec.constprop.0+0x5c/0x6c # [ 118.327569] lkdtm_REFCOUNT_DEC_ZERO+0x54/0xe0 # [ 118.332286] lkdtm_do_action+0x24/0x40 # [ 118.336303] direct_entry+0xd0/0x140 # [ 118.340148] full_proxy_write+0x68/0xbc # [ 118.344254] vfs_write+0xec/0x20c # [ 118.347836] ksys_write+0x70/0x100 # [ 118.351505] __arm64_sys_write+0x24/0x30 # [ 118.355699] el0_svc_common.constprop.0+0x84/0x1e0 # [ 118.360761] do_el0_svc+0x2c/0xa4 # [ 118.364345] el0_svc+0x20/0x30 # [ 118.367666] el0_sync_handler+0xb0/0xb4 # [ 118.371770] el0_sync+0x180/0x1c0 # [ 118.375351] irq event stamp: 0 # [ 118.378675] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 118.385219] hardirqs last disabled at (0): [] copy_process+0x5d4/0x1de0 # [ 118.393677] softirqs last enabled at (0): [] copy_process+0x5d4/0x1de0 # [ 118.402132] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 118.408671] ---[ end trace ee45f30151b01ceb ]--- # [ 118.413719] 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>[ 118.916855] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE <6>[ 118.923211] lkdtm: attempting bad refcount_dec() below zero <4>[ 118.929114] ------------[ cut here ]------------ <4>[ 118.934054] refcount_t: decrement hit 0; leaking memory. <4>[ 118.939831] WARNING: CPU: 4 PID: 2369 at lib/refcount.c:31 refcount_warn_saturate+0x13c/0x144 <4>[ 118.948639] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 118.960423] CPU: 4 PID: 2369 Comm: cat Tainted: G D W 5.10.214-cip46 #1 <4>[ 118.968447] Hardware name: ARM Juno development board (r0) (DT) <4>[ 118.974648] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 118.980935] pc : refcount_warn_saturate+0x13c/0x144 <4>[ 118.986090] lr : refcount_warn_saturate+0x13c/0x144 <4>[ 118.991242] sp : ffff80001627bcc0 <4>[ 118.994827] x29: ffff80001627bcc0 x28: ffff000806c9b100 <4>[ 119.000429] x27: 0000000000000000 x26: 0000000000000000 <4>[ 119.006030] x25: ffff8000114da090 x24: ffff80001627be20 <4>[ 119.011630] x23: 0000000000000016 x22: ffff000802b13000 <4>[ 119.017232] x21: ffff8000119eef58 x20: ffff8000114da390 <4>[ 119.022833] x19: ffff80001627bd04 x18: 0000000000000000 <4>[ 119.028433] x17: 0000000000000000 x16: 0000000000000000 <4>[ 119.034034] x15: 0000000000000030 x14: ffffffffffffffff <4>[ 119.039635] x13: ffff80009627b96a x12: ffff80001627b972 <4>[ 119.045236] x11: ffff800012593d40 x10: 0000000000001440 <4>[ 119.050837] x9 : ffff80001012c294 x8 : 0000000000000000 <4>[ 119.056438] x7 : 0000000000000000 x6 : ffff800012565000 <4>[ 119.062040] x5 : ffff800012565c88 x4 : ffff00097ef90c68 <4>[ 119.067640] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 119.073241] x1 : 0000000000000000 x0 : ffff000806c9b100 <4>[ 119.078841] Call trace: <4>[ 119.081561] refcount_warn_saturate+0x13c/0x144 <4>[ 119.086372] __refcount_dec.constprop.0+0x5c/0x6c <4>[ 119.091355] lkdtm_REFCOUNT_DEC_NEGATIVE+0x3c/0x70 <4>[ 119.096425] lkdtm_do_action+0x24/0x40 <4>[ 119.100450] direct_entry+0xd0/0x140 <4>[ 119.104300] full_proxy_write+0x68/0xbc <4>[ 119.108412] vfs_write+0xec/0x20c <4>[ 119.112001] ksys_write+0x70/0x100 <4>[ 119.115676] __arm64_sys_write+0x24/0x30 <4>[ 119.119876] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 119.124945] do_el0_svc+0x2c/0xa4 <4>[ 119.128535] el0_svc+0x20/0x30 <4>[ 119.131863] el0_sync_handler+0xb0/0xb4 <4>[ 119.135973] el0_sync+0x180/0x1c0 <4>[ 119.139558] irq event stamp: 0 <4>[ 119.142888] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 119.149439] hardirqs last disabled at (0): [] copy_process+0x5d4/0x1de0 <4>[ 119.157904] softirqs last enabled at (0): [] copy_process+0x5d4/0x1de0 <4>[ 119.166366] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 119.172910] ---[ end trace ee45f30151b01cec ]--- <6>[ 119.179135] lkdtm: Negative detected: saturated # [ 118.916855] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 118.923211] lkdtm: attempting bad refcount_dec() below zero # [ 118.929114] ------------[ cut here ]------------ # [ 118.934054] refcount_t: decrement hit 0; leaking memory. # [ 118.939831] WARNING: CPU: 4 PID: 2369 at lib/refcount.c:31 refcount_warn_saturate+0x13c/0x144 # [ 118.948639] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 118.960423] CPU: 4 PID: 2369 Comm: cat Tainted: G D W 5.10.214-cip46 #1 # [ 118.968447] Hardware name: ARM Juno development board (r0) (DT) # [ 118.974648] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 118.980935] pc : refcount_warn_saturate+0x13c/0x144 # [ 118.986090] lr : refcount_warn_saturate+0x13c/0x144 # [ 118.991242] sp : ffff80001627bcc0 # [ 118.994827] x29: ffff80001627bcc0 x28: ffff000806c9b100 # [ 119.000429] x27: 0000000000000000 x26: 0000000000000000 # [ 119.006030] x25: ffff8000114da090 x24: ffff80001627be20 # [ 119.011630] x23: 0000000000000016 x22: ffff000802b13000 # [ 119.017232] x21: ffff8000119eef58 x20: ffff8000114da390 # [ 119.022833] x19: ffff80001627bd04 x18: 0000000000000000 # [ 119.028433] x17: 0000000000000000 x16: 0000000000000000 # [ 119.034034] x15: 0000000000000030 x14: ffffffffffffffff # [ 119.039635] x13: ffff80009627b96a x12: ffff80001627b972 # [ 119.045236] x11: ffff800012593d40 x10: 0000000000001440 # [ 119.050837] x9 : ffff80001012c294 x8 : 0000000000000000 # [ 119.056438] x7 : 0000000000000000 x6 : ffff800012565000 # [ 119.062040] x5 : ffff800012565c88 x4 : ffff00097ef90c68 # [ 119.067640] x3 : 0000000000000000 x2 : 0000000000000000 # [ 119.073241] x1 : 0000000000000000 x0 : ffff000806c9b100 # [ 119.078841] Call trace: # [ 119.081561] refcount_warn_saturate+0x13c/0x144 # [ 119.086372] __refcount_dec.constprop.0+0x5c/0x6c # [ 119.091355] lkdtm_REFCOUNT_DEC_NEGATIVE+0x3c/0x70 # [ 119.096425] lkdtm_do_action+0x24/0x40 # [ 119.100450] direct_entry+0xd0/0x140 # [ 119.104300] full_proxy_write+0x68/0xbc # [ 119.108412] vfs_write+0xec/0x20c # [ 119.112001] ksys_write+0x70/0x100 # [ 119.115676] __arm64_sys_write+0x24/0x30 # [ 119.119876] el0_svc_common.constprop.0+0x84/0x1e0 # [ 119.124945] do_el0_svc+0x2c/0xa4 # [ 119.128535] el0_svc+0x20/0x30 # [ 119.131863] el0_sync_handler+0xb0/0xb4 # [ 119.135973] el0_sync+0x180/0x1c0 # [ 119.139558] irq event stamp: 0 # [ 119.142888] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 119.149439] hardirqs last disabled at (0): [] copy_process+0x5d4/0x1de0 # [ 119.157904] softirqs last enabled at (0): [] copy_process+0x5d4/0x1de0 # [ 119.166366] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 119.172910] ---[ end trace ee45f30151b01cec ]--- # [ 119.179135] 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>[ 119.695289] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE <6>[ 119.702413] lkdtm: attempting bad refcount_dec_and_test() below zero <4>[ 119.709171] ------------[ cut here ]------------ <4>[ 119.714143] refcount_t: underflow; use-after-free. <4>[ 119.719455] WARNING: CPU: 4 PID: 2405 at lib/refcount.c:28 refcount_warn_saturate+0xf4/0x144 <4>[ 119.728177] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 119.739960] CPU: 4 PID: 2405 Comm: cat Tainted: G D W 5.10.214-cip46 #1 <4>[ 119.747984] Hardware name: ARM Juno development board (r0) (DT) <4>[ 119.754184] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 119.760471] pc : refcount_warn_saturate+0xf4/0x144 <4>[ 119.765539] lr : refcount_warn_saturate+0xf4/0x144 <4>[ 119.770603] sp : ffff800016303cd0 <4>[ 119.774189] x29: ffff800016303cd0 x28: ffff000807c3c980 <4>[ 119.779791] x27: 0000000000000000 x26: 0000000000000000 <4>[ 119.785392] x25: ffff8000114da090 x24: ffff800016303e20 <4>[ 119.790994] x23: 000000000000001f x22: ffff000807616000 <4>[ 119.796596] x21: ffff8000119eef70 x20: ffff8000114da3a0 <4>[ 119.802197] x19: 0000000000000031 x18: 0000000000000000 <4>[ 119.807798] x17: 0000000000000000 x16: 0000000000000000 <4>[ 119.813399] x15: 0000000000000030 x14: ffffffffffffffff <4>[ 119.819000] x13: ffff80009630397a x12: ffff800016303982 <4>[ 119.824601] x11: ffff800012593d40 x10: ffff8000125ebee0 <4>[ 119.830202] x9 : ffff80001012c294 x8 : ffff800012593ee0 <4>[ 119.835803] x7 : ffff8000125ebee0 x6 : ffff800012565000 <4>[ 119.841405] x5 : ffff800012565c88 x4 : ffff00097ef90c68 <4>[ 119.847005] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 119.852605] x1 : 0000000000000000 x0 : ffff000807c3c980 <4>[ 119.858205] Call trace: <4>[ 119.860926] refcount_warn_saturate+0xf4/0x144 <4>[ 119.865651] __refcount_sub_and_test.constprop.0+0x74/0x8c <4>[ 119.871419] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x44/0x8c <4>[ 119.877272] lkdtm_do_action+0x24/0x40 <4>[ 119.881296] direct_entry+0xd0/0x140 <4>[ 119.885147] full_proxy_write+0x68/0xbc <4>[ 119.889259] vfs_write+0xec/0x20c <4>[ 119.892848] ksys_write+0x70/0x100 <4>[ 119.896524] __arm64_sys_write+0x24/0x30 <4>[ 119.900724] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 119.905793] do_el0_svc+0x2c/0xa4 <4>[ 119.909383] el0_svc+0x20/0x30 <4>[ 119.912710] el0_sync_handler+0xb0/0xb4 <4>[ 119.916821] el0_sync+0x180/0x1c0 <4>[ 119.920407] irq event stamp: 0 <4>[ 119.923736] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 119.930288] hardirqs last disabled at (0): [] copy_process+0x5d4/0x1de0 <4>[ 119.938753] softirqs last enabled at (0): [] copy_process+0x5d4/0x1de0 <4>[ 119.947215] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 119.953760] ---[ end trace ee45f30151b01ced ]--- <6>[ 119.958949] lkdtm: Negative detected: saturated # [ 119.695289] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 119.702413] lkdtm: attempting bad refcount_dec_and_test() below zero # [ 119.709171] ------------[ cut here ]------------ # [ 119.714143] refcount_t: underflow; use-after-free. # [ 119.719455] WARNING: CPU: 4 PID: 2405 at lib/refcount.c:28 refcount_warn_saturate+0xf4/0x144 # [ 119.728177] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 119.739960] CPU: 4 PID: 2405 Comm: cat Tainted: G D W 5.10.214-cip46 #1 # [ 119.747984] Hardware name: ARM Juno development board (r0) (DT) # [ 119.754184] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 119.760471] pc : refcount_warn_saturate+0xf4/0x144 # [ 119.765539] lr : refcount_warn_saturate+0xf4/0x144 # [ 119.770603] sp : ffff800016303cd0 # [ 119.774189] x29: ffff800016303cd0 x28: ffff000807c3c980 # [ 119.779791] x27: 0000000000000000 x26: 0000000000000000 # [ 119.785392] x25: ffff8000114da090 x24: ffff800016303e20 # [ 119.790994] x23: 000000000000001f x22: ffff000807616000 # [ 119.796596] x21: ffff8000119eef70 x20: ffff8000114da3a0 # [ 119.802197] x19: 0000000000000031 x18: 0000000000000000 # [ 119.807798] x17: 0000000000000000 x16: 0000000000000000 # [ 119.813399] x15: 0000000000000030 x14: ffffffffffffffff # [ 119.819000] x13: ffff80009630397a x12: ffff800016303982 # [ 119.824601] x11: ffff800012593d40 x10: ffff8000125ebee0 # [ 119.830202] x9 : ffff80001012c294 x8 : ffff800012593ee0 # [ 119.835803] x7 : ffff8000125ebee0 x6 : ffff800012565000 # [ 119.841405] x5 : ffff800012565c88 x4 : ffff00097ef90c68 # [ 119.847005] x3 : 0000000000000000 x2 : 0000000000000000 # [ 119.852605] x1 : 0000000000000000 x0 : ffff000807c3c980 # [ 119.858205] Call trace: # [ 119.860926] refcount_warn_saturate+0xf4/0x144 # [ 119.865651] __refcount_sub_and_test.constprop.0+0x74/0x8c # [ 119.871419] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x44/0x8c # [ 119.877272] lkdtm_do_action+0x24/0x40 # [ 119.881296] direct_entry+0xd0/0x140 # [ 119.885147] full_proxy_write+0x68/0xbc # [ 119.889259] vfs_write+0xec/0x20c # [ 119.892848] ksys_write+0x70/0x100 # [ 119.896524] __arm64_sys_write+0x24/0x30 # [ 119.900724] el0_svc_common.constprop.0+0x84/0x1e0 # [ 119.905793] do_el0_svc+0x2c/0xa4 # [ 119.909383] el0_svc+0x20/0x30 # [ 119.912710] el0_sync_handler+0xb0/0xb4 # [ 119.916821] el0_sync+0x180/0x1c0 # [ 119.920407] irq event stamp: 0 # [ 119.923736] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 119.930288] hardirqs last disabled at (0): [] copy_process+0x5d4/0x1de0 # [ 119.938753] softirqs last enabled at (0): [] copy_process+0x5d4/0x1de0 # [ 119.947215] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 119.953760] ---[ end trace ee45f30151b01ced ]--- # [ 119.958949] 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>[ 120.433180] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE <6>[ 120.440320] lkdtm: attempting bad refcount_sub_and_test() below zero <4>[ 120.447015] ------------[ cut here ]------------ <4>[ 120.451962] refcount_t: underflow; use-after-free. <4>[ 120.457222] WARNING: CPU: 1 PID: 2441 at lib/refcount.c:28 refcount_warn_saturate+0xf4/0x144 <4>[ 120.465942] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 120.477693] CPU: 1 PID: 2441 Comm: cat Tainted: G D W 5.10.214-cip46 #1 <4>[ 120.485712] Hardware name: ARM Juno development board (r0) (DT) <4>[ 120.491907] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 120.498188] pc : refcount_warn_saturate+0xf4/0x144 <4>[ 120.503249] lr : refcount_warn_saturate+0xf4/0x144 <4>[ 120.508308] sp : ffff800016383cd0 <4>[ 120.511889] x29: ffff800016383cd0 x28: ffff000805b78000 <4>[ 120.517483] x27: 0000000000000000 x26: 0000000000000000 <4>[ 120.523075] x25: ffff8000114da090 x24: ffff800016383e20 <4>[ 120.528667] x23: 000000000000001f x22: ffff00080429d000 <4>[ 120.534260] x21: ffff8000119eef90 x20: ffff8000114da3b0 <4>[ 120.539851] x19: 0000000000000032 x18: 0000000000000000 <4>[ 120.545443] x17: 0000000000000000 x16: 0000000000000000 <4>[ 120.551035] x15: 0000000000000000 x14: 39e3000000000000 <4>[ 120.556626] x13: 0000000000000b62 x12: 071c71c71c71c71c <4>[ 120.562217] x11: 0000000000000b62 x10: 0000000000001440 <4>[ 120.567809] x9 : ffff80001012c294 x8 : 0000000000000000 <4>[ 120.573401] x7 : 0000000080180008 x6 : ffff800012565000 <4>[ 120.578992] x5 : ffff800012565c88 x4 : ffff00097ef2ac68 <4>[ 120.584584] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 120.590176] x1 : 0000000000000000 x0 : ffff000805b78000 <4>[ 120.595768] Call trace: <4>[ 120.598481] refcount_warn_saturate+0xf4/0x144 <4>[ 120.603201] __refcount_sub_and_test.constprop.0+0x74/0x8c <4>[ 120.608963] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x48/0x90 <4>[ 120.614809] lkdtm_do_action+0x24/0x40 <4>[ 120.618826] direct_entry+0xd0/0x140 <4>[ 120.622671] full_proxy_write+0x68/0xbc <4>[ 120.626776] vfs_write+0xec/0x20c <4>[ 120.630359] ksys_write+0x70/0x100 <4>[ 120.634028] __arm64_sys_write+0x24/0x30 <4>[ 120.638223] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 120.643286] do_el0_svc+0x2c/0xa4 <4>[ 120.646869] el0_svc+0x20/0x30 <4>[ 120.650190] el0_sync_handler+0xb0/0xb4 <4>[ 120.654294] el0_sync+0x180/0x1c0 <4>[ 120.657875] irq event stamp: 0 <4>[ 120.661198] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 120.667743] hardirqs last disabled at (0): [] copy_process+0x5d4/0x1de0 <4>[ 120.676201] softirqs last enabled at (0): [] copy_process+0x5d4/0x1de0 <4>[ 120.684656] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 120.691196] ---[ end trace ee45f30151b01cee ]--- <6>[ 120.696152] lkdtm: Negative detected: saturated # [ 120.433180] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 120.440320] lkdtm: attempting bad refcount_sub_and_test() below zero # [ 120.447015] ------------[ cut here ]------------ # [ 120.451962] refcount_t: underflow; use-after-free. # [ 120.457222] WARNING: CPU: 1 PID: 2441 at lib/refcount.c:28 refcount_warn_saturate+0xf4/0x144 # [ 120.465942] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 120.477693] CPU: 1 PID: 2441 Comm: cat Tainted: G D W 5.10.214-cip46 #1 # [ 120.485712] Hardware name: ARM Juno development board (r0) (DT) # [ 120.491907] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 120.498188] pc : refcount_warn_saturate+0xf4/0x144 # [ 120.503249] lr : refcount_warn_saturate+0xf4/0x144 # [ 120.508308] sp : ffff800016383cd0 # [ 120.511889] x29: ffff800016383cd0 x28: ffff000805b78000 # [ 120.517483] x27: 0000000000000000 x26: 0000000000000000 # [ 120.523075] x25: ffff8000114da090 x24: ffff800016383e20 # [ 120.528667] x23: 000000000000001f x22: ffff00080429d000 # [ 120.534260] x21: ffff8000119eef90 x20: ffff8000114da3b0 # [ 120.539851] x19: 0000000000000032 x18: 0000000000000000 # [ 120.545443] x17: 0000000000000000 x16: 0000000000000000 # [ 120.551035] x15: 0000000000000000 x14: 39e3000000000000 # [ 120.556626] x13: 0000000000000b62 x12: 071c71c71c71c71c # [ 120.562217] x11: 0000000000000b62 x10: 0000000000001440 # [ 120.567809] x9 : ffff80001012c294 x8 : 0000000000000000 # [ 120.573401] x7 : 0000000080180008 x6 : ffff800012565000 # [ 120.578992] x5 : ffff800012565c88 x4 : ffff00097ef2ac68 # [ 120.584584] x3 : 0000000000000000 x2 : 0000000000000000 # [ 120.590176] x1 : 0000000000000000 x0 : ffff000805b78000 # [ 120.595768] Call trace: # [ 120.598481] refcount_warn_saturate+0xf4/0x144 # [ 120.603201] __refcount_sub_and_test.constprop.0+0x74/0x8c # [ 120.608963] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x48/0x90 # [ 120.614809] lkdtm_do_action+0x24/0x40 # [ 120.618826] direct_entry+0xd0/0x140 # [ 120.622671] full_proxy_write+0x68/0xbc # [ 120.626776] vfs_write+0xec/0x20c # [ 120.630359] ksys_write+0x70/0x100 # [ 120.634028] __arm64_sys_write+0x24/0x30 # [ 120.638223] el0_svc_common.constprop.0+0x84/0x1e0 # [ 120.643286] do_el0_svc+0x2c/0xa4 # [ 120.646869] el0_svc+0x20/0x30 # [ 120.650190] el0_sync_handler+0xb0/0xb4 # [ 120.654294] el0_sync+0x180/0x1c0 # [ 120.657875] irq event stamp: 0 # [ 120.661198] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 120.667743] hardirqs last disabled at (0): [] copy_process+0x5d4/0x1de0 # [ 120.676201] softirqs last enabled at (0): [] copy_process+0x5d4/0x1de0 # [ 120.684656] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 120.691196] ---[ end trace ee45f30151b01cee ]--- # [ 120.696152] 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>[ 121.149132] lkdtm: Performing direct entry REFCOUNT_INC_ZERO <6>[ 121.155221] lkdtm: attempting safe refcount_inc_not_zero() from zero <6>[ 121.161987] lkdtm: Good: zero detected <6>[ 121.166302] lkdtm: Correctly stayed at zero <6>[ 121.170808] lkdtm: attempting bad refcount_inc() from zero <4>[ 121.176594] ------------[ cut here ]------------ <4>[ 121.181507] refcount_t: addition on 0; use-after-free. <4>[ 121.186983] WARNING: CPU: 2 PID: 2474 at lib/refcount.c:25 refcount_warn_saturate+0xa0/0x144 <4>[ 121.195698] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 121.207447] CPU: 2 PID: 2474 Comm: cat Tainted: G D W 5.10.214-cip46 #1 <4>[ 121.215466] Hardware name: ARM Juno development board (r0) (DT) <4>[ 121.221660] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 121.227941] pc : refcount_warn_saturate+0xa0/0x144 <4>[ 121.233002] lr : refcount_warn_saturate+0xa0/0x144 <4>[ 121.238061] sp : ffff800016423cd0 <4>[ 121.241641] x29: ffff800016423cd0 x28: ffff000800bfe200 <4>[ 121.247235] x27: 0000000000000000 x26: 0000000000000000 <4>[ 121.252828] x25: ffff8000114da090 x24: ffff800016423e20 <4>[ 121.258419] x23: 0000000000000012 x22: ffff000802b2c000 <4>[ 121.264011] x21: ffff8000119eefb0 x20: ffff8000114da3c0 <4>[ 121.269602] x19: 0000000000000033 x18: 0000000000000000 <4>[ 121.275194] x17: 0000000000000000 x16: 0000000000000000 <4>[ 121.280785] x15: 0000000000000030 x14: ffffffffffffffff <4>[ 121.286376] x13: ffff80009642397a x12: ffff800016423982 <4>[ 121.291968] x11: ffff800012593d40 x10: ffff8000125ebee0 <4>[ 121.297559] x9 : ffff80001012c294 x8 : ffff800012593ee0 <4>[ 121.303151] x7 : ffff8000125ebee0 x6 : ffff800012565000 <4>[ 121.308741] x5 : ffff800012565c88 x4 : ffff00097ef4cc68 <4>[ 121.314332] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 121.319923] x1 : 0000000000000000 x0 : ffff000800bfe200 <4>[ 121.325515] Call trace: <4>[ 121.328228] refcount_warn_saturate+0xa0/0x144 <4>[ 121.332946] __refcount_add.constprop.0+0x64/0x90 <4>[ 121.337924] lkdtm_REFCOUNT_INC_ZERO+0xa4/0xd4 <4>[ 121.342638] lkdtm_do_action+0x24/0x40 <4>[ 121.346656] direct_entry+0xd0/0x140 <4>[ 121.350500] full_proxy_write+0x68/0xbc <4>[ 121.354607] vfs_write+0xec/0x20c <4>[ 121.358189] ksys_write+0x70/0x100 <4>[ 121.361858] __arm64_sys_write+0x24/0x30 <4>[ 121.366052] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 121.371115] do_el0_svc+0x2c/0xa4 <4>[ 121.374698] el0_svc+0x20/0x30 <4>[ 121.378020] el0_sync_handler+0xb0/0xb4 <4>[ 121.382124] el0_sync+0x180/0x1c0 <4>[ 121.385705] irq event stamp: 0 <4>[ 121.389029] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 121.395574] hardirqs last disabled at (0): [] copy_process+0x5d4/0x1de0 <4>[ 121.404031] softirqs last enabled at (0): [] copy_process+0x5d4/0x1de0 <4>[ 121.412486] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 121.419025] ---[ end trace ee45f30151b01cef ]--- <6>[ 121.423970] lkdtm: Zero detected: saturated # [ 121.149132] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 121.155221] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 121.161987] lkdtm: Good: zero detected # [ 121.166302] lkdtm: Correctly stayed at zero # [ 121.170808] lkdtm: attempting bad refcount_inc() from zero # [ 121.176594] ------------[ cut here ]------------ # [ 121.181507] refcount_t: addition on 0; use-after-free. # [ 121.186983] WARNING: CPU: 2 PID: 2474 at lib/refcount.c:25 refcount_warn_saturate+0xa0/0x144 # [ 121.195698] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 121.207447] CPU: 2 PID: 2474 Comm: cat Tainted: G D W 5.10.214-cip46 #1 # [ 121.215466] Hardware name: ARM Juno development board (r0) (DT) # [ 121.221660] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 121.227941] pc : refcount_warn_saturate+0xa0/0x144 # [ 121.233002] lr : refcount_warn_saturate+0xa0/0x144 # [ 121.238061] sp : ffff800016423cd0 # [ 121.241641] x29: ffff800016423cd0 x28: ffff000800bfe200 # [ 121.247235] x27: 0000000000000000 x26: 0000000000000000 # [ 121.252828] x25: ffff8000114da090 x24: ffff800016423e20 # [ 121.258419] x23: 0000000000000012 x22: ffff000802b2c000 # [ 121.264011] x21: ffff8000119eefb0 x20: ffff8000114da3c0 # [ 121.269602] x19: 0000000000000033 x18: 0000000000000000 # [ 121.275194] x17: 0000000000000000 x16: 0000000000000000 # [ 121.280785] x15: 0000000000000030 x14: ffffffffffffffff # [ 121.286376] x13: ffff80009642397a x12: ffff800016423982 # [ 121.291968] x11: ffff800012593d40 x10: ffff8000125ebee0 # [ 121.297559] x9 : ffff80001012c294 x8 : ffff800012593ee0 # [ 121.303151] x7 : ffff8000125ebee0 x6 : ffff800012565000 # [ 121.308741] x5 : ffff800012565c88 x4 : ffff00097ef4cc68 # [ 121.314332] x3 : 0000000000000000 x2 : 0000000000000000 # [ 121.319923] x1 : 0000000000000000 x0 : ffff000800bfe200 # [ 121.325515] Call trace: # [ 121.328228] refcount_warn_saturate+0xa0/0x144 # [ 121.332946] __refcount_add.constprop.0+0x64/0x90 # [ 121.337924] lkdtm_REFCOUNT_INC_ZERO+0xa4/0xd4 # [ 121.342638] lkdtm_do_action+0x24/0x40 # [ 121.346656] direct_entry+0xd0/0x140 # [ 121.350500] full_proxy_write+0x68/0xbc # [ 121.354607] vfs_write+0xec/0x20c # [ 121.358189] ksys_write+0x70/0x100 # [ 121.361858] __arm64_sys_write+0x24/0x30 # [ 121.366052] el0_svc_common.constprop.0+0x84/0x1e0 # [ 121.371115] do_el0_svc+0x2c/0xa4 # [ 121.374698] el0_svc+0x20/0x30 # [ 121.378020] el0_sync_handler+0xb0/0xb4 # [ 121.382124] el0_sync+0x180/0x1c0 # [ 121.385705] irq event stamp: 0 # [ 121.389029] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 121.395574] hardirqs last disabled at (0): [] copy_process+0x5d4/0x1de0 # [ 121.404031] softirqs last enabled at (0): [] copy_process+0x5d4/0x1de0 # [ 121.412486] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 121.419025] ---[ end trace ee45f30151b01cef ]--- # [ 121.423970] 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>[ 121.887440] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO <6>[ 121.893539] lkdtm: attempting safe refcount_add_not_zero() from zero <6>[ 121.900311] lkdtm: Good: zero detected <6>[ 121.904461] lkdtm: Correctly stayed at zero <6>[ 121.909164] lkdtm: attempting bad refcount_add() from zero <4>[ 121.914975] ------------[ cut here ]------------ <4>[ 121.919989] refcount_t: addition on 0; use-after-free. <4>[ 121.925506] WARNING: CPU: 1 PID: 2507 at lib/refcount.c:25 refcount_warn_saturate+0xa0/0x144 <4>[ 121.934222] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 121.945970] CPU: 1 PID: 2507 Comm: cat Tainted: G D W 5.10.214-cip46 #1 <4>[ 121.953990] Hardware name: ARM Juno development board (r0) (DT) <4>[ 121.960185] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 121.966465] pc : refcount_warn_saturate+0xa0/0x144 <4>[ 121.971527] lr : refcount_warn_saturate+0xa0/0x144 <4>[ 121.976586] sp : ffff8000164bbcd0 <4>[ 121.980167] x29: ffff8000164bbcd0 x28: ffff000805bf0000 <4>[ 121.985761] x27: 0000000000000000 x26: 0000000000000000 <4>[ 121.991354] x25: ffff8000114da090 x24: ffff8000164bbe20 <4>[ 121.996946] x23: 0000000000000012 x22: ffff000807f8e000 <4>[ 122.002537] x21: ffff8000119eefc8 x20: ffff8000114da3d0 <4>[ 122.008129] x19: 0000000000000034 x18: 0000000000000000 <4>[ 122.013721] x17: 0000000000000000 x16: 0000000000000000 <4>[ 122.019312] x15: 0000000000000030 x14: ffffffffffffffff <4>[ 122.024904] x13: ffff8000964bb97a x12: ffff8000164bb982 <4>[ 122.030496] x11: ffff800012593d40 x10: ffff8000125ebee0 <4>[ 122.036087] x9 : ffff80001012c294 x8 : ffff800012593ee0 <4>[ 122.041679] x7 : ffff8000125ebee0 x6 : ffff800012565000 <4>[ 122.047270] x5 : ffff800012565c88 x4 : ffff00097ef2ac68 <4>[ 122.052862] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 122.058453] x1 : 0000000000000000 x0 : ffff000805bf0000 <4>[ 122.064044] Call trace: <4>[ 122.066758] refcount_warn_saturate+0xa0/0x144 <4>[ 122.071475] __refcount_add.constprop.0+0x64/0x90 <4>[ 122.076454] lkdtm_REFCOUNT_ADD_ZERO+0xa4/0xd4 <4>[ 122.081168] lkdtm_do_action+0x24/0x40 <4>[ 122.085186] direct_entry+0xd0/0x140 <4>[ 122.089030] full_proxy_write+0x68/0xbc <4>[ 122.093136] vfs_write+0xec/0x20c <4>[ 122.096718] ksys_write+0x70/0x100 <4>[ 122.100388] __arm64_sys_write+0x24/0x30 <4>[ 122.104582] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 122.109645] do_el0_svc+0x2c/0xa4 <4>[ 122.113228] el0_svc+0x20/0x30 <4>[ 122.116549] el0_sync_handler+0xb0/0xb4 <4>[ 122.120654] el0_sync+0x180/0x1c0 <4>[ 122.124235] irq event stamp: 0 <4>[ 122.127558] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 122.134103] hardirqs last disabled at (0): [] copy_process+0x5d4/0x1de0 <4>[ 122.142561] softirqs last enabled at (0): [] copy_process+0x5d4/0x1de0 <4>[ 122.151016] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 122.157555] ---[ end trace ee45f30151b01cf0 ]--- <6>[ 122.162605] lkdtm: Zero detected: saturated # [ 121.887440] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 121.893539] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 121.900311] lkdtm: Good: zero detected # [ 121.904461] lkdtm: Correctly stayed at zero # [ 121.909164] lkdtm: attempting bad refcount_add() from zero # [ 121.914975] ------------[ cut here ]------------ # [ 121.919989] refcount_t: addition on 0; use-after-free. # [ 121.925506] WARNING: CPU: 1 PID: 2507 at lib/refcount.c:25 refcount_warn_saturate+0xa0/0x144 # [ 121.934222] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 121.945970] CPU: 1 PID: 2507 Comm: cat Tainted: G D W 5.10.214-cip46 #1 # [ 121.953990] Hardware name: ARM Juno development board (r0) (DT) # [ 121.960185] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 121.966465] pc : refcount_warn_saturate+0xa0/0x144 # [ 121.971527] lr : refcount_warn_saturate+0xa0/0x144 # [ 121.976586] sp : ffff8000164bbcd0 # [ 121.980167] x29: ffff8000164bbcd0 x28: ffff000805bf0000 # [ 121.985761] x27: 0000000000000000 x26: 0000000000000000 # [ 121.991354] x25: ffff8000114da090 x24: ffff8000164bbe20 # [ 121.996946] x23: 0000000000000012 x22: ffff000807f8e000 # [ 122.002537] x21: ffff8000119eefc8 x20: ffff8000114da3d0 # [ 122.008129] x19: 0000000000000034 x18: 0000000000000000 # [ 122.013721] x17: 0000000000000000 x16: 0000000000000000 # [ 122.019312] x15: 0000000000000030 x14: ffffffffffffffff # [ 122.024904] x13: ffff8000964bb97a x12: ffff8000164bb982 # [ 122.030496] x11: ffff800012593d40 x10: ffff8000125ebee0 # [ 122.036087] x9 : ffff80001012c294 x8 : ffff800012593ee0 # [ 122.041679] x7 : ffff8000125ebee0 x6 : ffff800012565000 # [ 122.047270] x5 : ffff800012565c88 x4 : ffff00097ef2ac68 # [ 122.052862] x3 : 0000000000000000 x2 : 0000000000000000 # [ 122.058453] x1 : 0000000000000000 x0 : ffff000805bf0000 # [ 122.064044] Call trace: # [ 122.066758] refcount_warn_saturate+0xa0/0x144 # [ 122.071475] __refcount_add.constprop.0+0x64/0x90 # [ 122.076454] lkdtm_REFCOUNT_ADD_ZERO+0xa4/0xd4 # [ 122.081168] lkdtm_do_action+0x24/0x40 # [ 122.085186] direct_entry+0xd0/0x140 # [ 122.089030] full_proxy_write+0x68/0xbc # [ 122.093136] vfs_write+0xec/0x20c # [ 122.096718] ksys_write+0x70/0x100 # [ 122.100388] __arm64_sys_write+0x24/0x30 # [ 122.104582] el0_svc_common.constprop.0+0x84/0x1e0 # [ 122.109645] do_el0_svc+0x2c/0xa4 # [ 122.113228] el0_svc+0x20/0x30 # [ 122.116549] el0_sync_handler+0xb0/0xb4 # [ 122.120654] el0_sync+0x180/0x1c0 # [ 122.124235] irq event stamp: 0 # [ 122.127558] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 122.134103] hardirqs last disabled at (0): [] copy_process+0x5d4/0x1de0 # [ 122.142561] softirqs last enabled at (0): [] copy_process+0x5d4/0x1de0 # [ 122.151016] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 122.157555] ---[ end trace ee45f30151b01cf0 ]--- # [ 122.162605] 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>[ 122.662982] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED <6>[ 122.669433] lkdtm: attempting bad refcount_inc() from saturated <4>[ 122.675756] ------------[ cut here ]------------ <4>[ 122.680723] refcount_t: saturated; leaking memory. <4>[ 122.686210] WARNING: CPU: 1 PID: 2543 at lib/refcount.c:22 refcount_warn_saturate+0x74/0x144 <4>[ 122.694930] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 122.706682] CPU: 1 PID: 2543 Comm: cat Tainted: G D W 5.10.214-cip46 #1 <4>[ 122.714702] Hardware name: ARM Juno development board (r0) (DT) <4>[ 122.720898] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 122.727179] pc : refcount_warn_saturate+0x74/0x144 <4>[ 122.732242] lr : refcount_warn_saturate+0x74/0x144 <4>[ 122.737302] sp : ffff80001655bcd0 <4>[ 122.740882] x29: ffff80001655bcd0 x28: ffff000805bf6200 <4>[ 122.746477] x27: 0000000000000000 x26: 0000000000000000 <4>[ 122.752071] x25: ffff8000114da090 x24: ffff80001655be20 <4>[ 122.757663] x23: 0000000000000017 x22: ffff0008056ad000 <4>[ 122.763255] x21: ffff8000119eefe0 x20: ffff8000114da3e0 <4>[ 122.768847] x19: 0000000000000035 x18: 0000000000000000 <4>[ 122.774439] x17: 0000000000000000 x16: 0000000000000000 <4>[ 122.780031] x15: 0000000000000331 x14: 0000000000000330 <4>[ 122.785622] x13: 0000000000006924 x12: 071c71c71c71c71c <4>[ 122.791215] x11: 0000000000006924 x10: 0000000000001440 <4>[ 122.796807] x9 : ffff80001012c294 x8 : 0000000000000000 <4>[ 122.802398] x7 : 000000008018000a x6 : ffff800012565000 <4>[ 122.807991] x5 : ffff800012565c88 x4 : ffff00097ef2ac68 <4>[ 122.813582] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 122.819174] x1 : 0000000000000000 x0 : ffff000805bf6200 <4>[ 122.824765] Call trace: <4>[ 122.827479] refcount_warn_saturate+0x74/0x144 <4>[ 122.832198] __refcount_add.constprop.0+0x7c/0x90 <4>[ 122.837177] lkdtm_REFCOUNT_INC_SATURATED+0x44/0x74 <4>[ 122.842326] lkdtm_do_action+0x24/0x40 <4>[ 122.846345] direct_entry+0xd0/0x140 <4>[ 122.850189] full_proxy_write+0x68/0xbc <4>[ 122.854295] vfs_write+0xec/0x20c <4>[ 122.857877] ksys_write+0x70/0x100 <4>[ 122.861547] __arm64_sys_write+0x24/0x30 <4>[ 122.865742] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 122.870804] do_el0_svc+0x2c/0xa4 <4>[ 122.874387] el0_svc+0x20/0x30 <4>[ 122.877709] el0_sync_handler+0xb0/0xb4 <4>[ 122.881814] el0_sync+0x180/0x1c0 <4>[ 122.885394] irq event stamp: 0 <4>[ 122.888718] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 122.895264] hardirqs last disabled at (0): [] copy_process+0x5d4/0x1de0 <4>[ 122.903722] softirqs last enabled at (0): [] copy_process+0x5d4/0x1de0 <4>[ 122.912177] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 122.918716] ---[ end trace ee45f30151b01cf1 ]--- <6>[ 122.923680] lkdtm: Saturation detected: still saturated # [ 122.662982] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 122.669433] lkdtm: attempting bad refcount_inc() from saturated # [ 122.675756] ------------[ cut here ]------------ # [ 122.680723] refcount_t: saturated; leaking memory. # [ 122.686210] WARNING: CPU: 1 PID: 2543 at lib/refcount.c:22 refcount_warn_saturate+0x74/0x144 # [ 122.694930] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 122.706682] CPU: 1 PID: 2543 Comm: cat Tainted: G D W 5.10.214-cip46 #1 # [ 122.714702] Hardware name: ARM Juno development board (r0) (DT) # [ 122.720898] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 122.727179] pc : refcount_warn_saturate+0x74/0x144 # [ 122.732242] lr : refcount_warn_saturate+0x74/0x144 # [ 122.737302] sp : ffff80001655bcd0 # [ 122.740882] x29: ffff80001655bcd0 x28: ffff000805bf6200 # [ 122.746477] x27: 0000000000000000 x26: 0000000000000000 # [ 122.752071] x25: ffff8000114da090 x24: ffff80001655be20 # [ 122.757663] x23: 0000000000000017 x22: ffff0008056ad000 # [ 122.763255] x21: ffff8000119eefe0 x20: ffff8000114da3e0 # [ 122.768847] x19: 0000000000000035 x18: 0000000000000000 # [ 122.774439] x17: 0000000000000000 x16: 0000000000000000 # [ 122.780031] x15: 0000000000000331 x14: 0000000000000330 # [ 122.785622] x13: 0000000000006924 x12: 071c71c71c71c71c # [ 122.791215] x11: 0000000000006924 x10: 0000000000001440 # [ 122.796807] x9 : ffff80001012c294 x8 : 0000000000000000 # [ 122.802398] x7 : 000000008018000a x6 : ffff800012565000 # [ 122.807991] x5 : ffff800012565c88 x4 : ffff00097ef2ac68 # [ 122.813582] x3 : 0000000000000000 x2 : 0000000000000000 # [ 122.819174] x1 : 0000000000000000 x0 : ffff000805bf6200 # [ 122.824765] Call trace: # [ 122.827479] refcount_warn_saturate+0x74/0x144 # [ 122.832198] __refcount_add.constprop.0+0x7c/0x90 # [ 122.837177] lkdtm_REFCOUNT_INC_SATURATED+0x44/0x74 # [ 122.842326] lkdtm_do_action+0x24/0x40 # [ 122.846345] direct_entry+0xd0/0x140 # [ 122.850189] full_proxy_write+0x68/0xbc # [ 122.854295] vfs_write+0xec/0x20c # [ 122.857877] ksys_write+0x70/0x100 # [ 122.861547] __arm64_sys_write+0x24/0x30 # [ 122.865742] el0_svc_common.constprop.0+0x84/0x1e0 # [ 122.870804] do_el0_svc+0x2c/0xa4 # [ 122.874387] el0_svc+0x20/0x30 # [ 122.877709] el0_sync_handler+0xb0/0xb4 # [ 122.881814] el0_sync+0x180/0x1c0 # [ 122.885394] irq event stamp: 0 # [ 122.888718] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 122.895264] hardirqs last disabled at (0): [] copy_process+0x5d4/0x1de0 # [ 122.903722] softirqs last enabled at (0): [] copy_process+0x5d4/0x1de0 # [ 122.912177] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 122.918716] ---[ end trace ee45f30151b01cf1 ]--- # [ 122.923680] 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>[ 123.407373] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED <6>[ 123.413801] lkdtm: attempting bad refcount_dec() from saturated <4>[ 123.420070] ------------[ cut here ]------------ <4>[ 123.425016] refcount_t: decrement hit 0; leaking memory. <4>[ 123.430797] WARNING: CPU: 5 PID: 2579 at lib/refcount.c:31 refcount_warn_saturate+0x13c/0x144 <4>[ 123.439607] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 123.451391] CPU: 5 PID: 2579 Comm: cat Tainted: G D W 5.10.214-cip46 #1 <4>[ 123.459415] Hardware name: ARM Juno development board (r0) (DT) <4>[ 123.465616] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 123.471904] pc : refcount_warn_saturate+0x13c/0x144 <4>[ 123.477059] lr : refcount_warn_saturate+0x13c/0x144 <4>[ 123.482211] sp : ffff8000165fbcc0 <4>[ 123.485797] x29: ffff8000165fbcc0 x28: ffff000808861880 <4>[ 123.491398] x27: 0000000000000000 x26: 0000000000000000 <4>[ 123.497000] x25: ffff8000114da090 x24: ffff8000165fbe20 <4>[ 123.502601] x23: 0000000000000017 x22: ffff000802585000 <4>[ 123.508201] x21: ffff8000119eeff8 x20: ffff8000114da3f0 <4>[ 123.513803] x19: ffff8000165fbd04 x18: 0000000000000000 <4>[ 123.519403] x17: 0000000000000000 x16: 0000000000000000 <4>[ 123.525004] x15: 0000000000000030 x14: ffffffffffffffff <4>[ 123.530605] x13: ffff8000965fb96a x12: ffff8000165fb972 <4>[ 123.536206] x11: ffff800012593d40 x10: 0000000000001440 <4>[ 123.541807] x9 : ffff80001012c294 x8 : 0000000000000000 <4>[ 123.547407] x7 : 0000000000000000 x6 : ffff800012565000 <4>[ 123.553008] x5 : ffff800012565c88 x4 : ffff00097efb2c68 <4>[ 123.558609] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 123.564209] x1 : 0000000000000000 x0 : ffff000808861880 <4>[ 123.569810] Call trace: <4>[ 123.572530] refcount_warn_saturate+0x13c/0x144 <4>[ 123.577341] __refcount_dec.constprop.0+0x5c/0x6c <4>[ 123.582324] lkdtm_REFCOUNT_DEC_SATURATED+0x40/0x70 <4>[ 123.587481] lkdtm_do_action+0x24/0x40 <4>[ 123.591505] direct_entry+0xd0/0x140 <4>[ 123.595356] full_proxy_write+0x68/0xbc <4>[ 123.599468] vfs_write+0xec/0x20c <4>[ 123.603057] ksys_write+0x70/0x100 <4>[ 123.606732] __arm64_sys_write+0x24/0x30 <4>[ 123.610933] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 123.616002] do_el0_svc+0x2c/0xa4 <4>[ 123.619591] el0_svc+0x20/0x30 <4>[ 123.622919] el0_sync_handler+0xb0/0xb4 <4>[ 123.627029] el0_sync+0x180/0x1c0 <4>[ 123.630616] irq event stamp: 0 <4>[ 123.633946] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 123.640497] hardirqs last disabled at (0): [] copy_process+0x5d4/0x1de0 <4>[ 123.648962] softirqs last enabled at (0): [] copy_process+0x5d4/0x1de0 <4>[ 123.657424] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 123.663968] ---[ end trace ee45f30151b01cf2 ]--- <6>[ 123.669145] lkdtm: Saturation detected: still saturated # [ 123.407373] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 123.413801] lkdtm: attempting bad refcount_dec() from saturated # [ 123.420070] ------------[ cut here ]------------ # [ 123.425016] refcount_t: decrement hit 0; leaking memory. # [ 123.430797] WARNING: CPU: 5 PID: 2579 at lib/refcount.c:31 refcount_warn_saturate+0x13c/0x144 # [ 123.439607] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 123.451391] CPU: 5 PID: 2579 Comm: cat Tainted: G D W 5.10.214-cip46 #1 # [ 123.459415] Hardware name: ARM Juno development board (r0) (DT) # [ 123.465616] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 123.471904] pc : refcount_warn_saturate+0x13c/0x144 # [ 123.477059] lr : refcount_warn_saturate+0x13c/0x144 # [ 123.482211] sp : ffff8000165fbcc0 # [ 123.485797] x29: ffff8000165fbcc0 x28: ffff000808861880 # [ 123.491398] x27: 0000000000000000 x26: 0000000000000000 # [ 123.497000] x25: ffff8000114da090 x24: ffff8000165fbe20 # [ 123.502601] x23: 0000000000000017 x22: ffff000802585000 # [ 123.508201] x21: ffff8000119eeff8 x20: ffff8000114da3f0 # [ 123.513803] x19: ffff8000165fbd04 x18: 0000000000000000 # [ 123.519403] x17: 0000000000000000 x16: 0000000000000000 # [ 123.525004] x15: 0000000000000030 x14: ffffffffffffffff # [ 123.530605] x13: ffff8000965fb96a x12: ffff8000165fb972 # [ 123.536206] x11: ffff800012593d40 x10: 0000000000001440 # [ 123.541807] x9 : ffff80001012c294 x8 : 0000000000000000 # [ 123.547407] x7 : 0000000000000000 x6 : ffff800012565000 # [ 123.553008] x5 : ffff800012565c88 x4 : ffff00097efb2c68 # [ 123.558609] x3 : 0000000000000000 x2 : 0000000000000000 # [ 123.564209] x1 : 0000000000000000 x0 : ffff000808861880 # [ 123.569810] Call trace: # [ 123.572530] refcount_warn_saturate+0x13c/0x144 # [ 123.577341] __refcount_dec.constprop.0+0x5c/0x6c # [ 123.582324] lkdtm_REFCOUNT_DEC_SATURATED+0x40/0x70 # [ 123.587481] lkdtm_do_action+0x24/0x40 # [ 123.591505] direct_entry+0xd0/0x140 # [ 123.595356] full_proxy_write+0x68/0xbc # [ 123.599468] vfs_write+0xec/0x20c # [ 123.603057] ksys_write+0x70/0x100 # [ 123.606732] __arm64_sys_write+0x24/0x30 # [ 123.610933] el0_svc_common.constprop.0+0x84/0x1e0 # [ 123.616002] do_el0_svc+0x2c/0xa4 # [ 123.619591] el0_svc+0x20/0x30 # [ 123.622919] el0_sync_handler+0xb0/0xb4 # [ 123.627029] el0_sync+0x180/0x1c0 # [ 123.630616] irq event stamp: 0 # [ 123.633946] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 123.640497] hardirqs last disabled at (0): [] copy_process+0x5d4/0x1de0 # [ 123.648962] softirqs last enabled at (0): [] copy_process+0x5d4/0x1de0 # [ 123.657424] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 123.663968] ---[ end trace ee45f30151b01cf2 ]--- # [ 123.669145] 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>[ 124.206562] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED <6>[ 124.213096] lkdtm: attempting bad refcount_dec() from saturated <4>[ 124.219423] ------------[ cut here ]------------ <4>[ 124.224397] refcount_t: saturated; leaking memory. <4>[ 124.229763] WARNING: CPU: 3 PID: 2615 at lib/refcount.c:22 refcount_warn_saturate+0x74/0x144 <4>[ 124.238485] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 124.250268] CPU: 3 PID: 2615 Comm: cat Tainted: G D W 5.10.214-cip46 #1 <4>[ 124.258292] Hardware name: ARM Juno development board (r0) (DT) <4>[ 124.264493] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 124.270780] pc : refcount_warn_saturate+0x74/0x144 <4>[ 124.275848] lr : refcount_warn_saturate+0x74/0x144 <4>[ 124.280913] sp : ffff8000166d3cd0 <4>[ 124.284499] x29: ffff8000166d3cd0 x28: ffff000805bf1880 <4>[ 124.290101] x27: 0000000000000000 x26: 0000000000000000 <4>[ 124.295703] x25: ffff8000114da090 x24: ffff8000166d3e20 <4>[ 124.301304] x23: 0000000000000017 x22: ffff00080321d000 <4>[ 124.306906] x21: ffff8000119ef010 x20: ffff8000114da400 <4>[ 124.312507] x19: 0000000000000037 x18: 0000000000000000 <4>[ 124.318109] x17: 0000000000000000 x16: 0000000000000000 <4>[ 124.323710] x15: 0000000000000030 x14: ffffffffffffffff <4>[ 124.329312] x13: ffff8000966d397a x12: ffff8000166d3982 <4>[ 124.334913] x11: ffff800012593d40 x10: ffff8000125ebee0 <4>[ 124.340514] x9 : ffff80001012c294 x8 : ffff800012593ee0 <4>[ 124.346115] x7 : ffff8000125ebee0 x6 : ffff800012565000 <4>[ 124.351716] x5 : ffff800012565c88 x4 : ffff00097ef6ec68 <4>[ 124.357317] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 124.362917] x1 : 0000000000000000 x0 : ffff000805bf1880 <4>[ 124.368519] Call trace: <4>[ 124.371239] refcount_warn_saturate+0x74/0x144 <4>[ 124.375964] __refcount_add.constprop.0+0x7c/0x90 <4>[ 124.380949] lkdtm_REFCOUNT_ADD_SATURATED+0x44/0x74 <4>[ 124.386105] lkdtm_do_action+0x24/0x40 <4>[ 124.390129] direct_entry+0xd0/0x140 <4>[ 124.393980] full_proxy_write+0x68/0xbc <4>[ 124.398093] vfs_write+0xec/0x20c <4>[ 124.401682] ksys_write+0x70/0x100 <4>[ 124.405358] __arm64_sys_write+0x24/0x30 <4>[ 124.409559] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 124.414628] do_el0_svc+0x2c/0xa4 <4>[ 124.418218] el0_svc+0x20/0x30 <4>[ 124.421545] el0_sync_handler+0xb0/0xb4 <4>[ 124.425656] el0_sync+0x180/0x1c0 <4>[ 124.429242] irq event stamp: 0 <4>[ 124.432572] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 124.439124] hardirqs last disabled at (0): [] copy_process+0x5d4/0x1de0 <4>[ 124.447589] softirqs last enabled at (0): [] copy_process+0x5d4/0x1de0 <4>[ 124.456050] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 124.462595] ---[ end trace ee45f30151b01cf3 ]--- <6>[ 124.467706] lkdtm: Saturation detected: still saturated # [ 124.206562] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 124.213096] lkdtm: attempting bad refcount_dec() from saturated # [ 124.219423] ------------[ cut here ]------------ # [ 124.224397] refcount_t: saturated; leaking memory. # [ 124.229763] WARNING: CPU: 3 PID: 2615 at lib/refcount.c:22 refcount_warn_saturate+0x74/0x144 # [ 124.238485] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 124.250268] CPU: 3 PID: 2615 Comm: cat Tainted: G D W 5.10.214-cip46 #1 # [ 124.258292] Hardware name: ARM Juno development board (r0) (DT) # [ 124.264493] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 124.270780] pc : refcount_warn_saturate+0x74/0x144 # [ 124.275848] lr : refcount_warn_saturate+0x74/0x144 # [ 124.280913] sp : ffff8000166d3cd0 # [ 124.284499] x29: ffff8000166d3cd0 x28: ffff000805bf1880 # [ 124.290101] x27: 0000000000000000 x26: 0000000000000000 # [ 124.295703] x25: ffff8000114da090 x24: ffff8000166d3e20 # [ 124.301304] x23: 0000000000000017 x22: ffff00080321d000 # [ 124.306906] x21: ffff8000119ef010 x20: ffff8000114da400 # [ 124.312507] x19: 0000000000000037 x18: 0000000000000000 # [ 124.318109] x17: 0000000000000000 x16: 0000000000000000 # [ 124.323710] x15: 0000000000000030 x14: ffffffffffffffff # [ 124.329312] x13: ffff8000966d397a x12: ffff8000166d3982 # [ 124.334913] x11: ffff800012593d40 x10: ffff8000125ebee0 # [ 124.340514] x9 : ffff80001012c294 x8 : ffff800012593ee0 # [ 124.346115] x7 : ffff8000125ebee0 x6 : ffff800012565000 # [ 124.351716] x5 : ffff800012565c88 x4 : ffff00097ef6ec68 # [ 124.357317] x3 : 0000000000000000 x2 : 0000000000000000 # [ 124.362917] x1 : 0000000000000000 x0 : ffff000805bf1880 # [ 124.368519] Call trace: # [ 124.371239] refcount_warn_saturate+0x74/0x144 # [ 124.375964] __refcount_add.constprop.0+0x7c/0x90 # [ 124.380949] lkdtm_REFCOUNT_ADD_SATURATED+0x44/0x74 # [ 124.386105] lkdtm_do_action+0x24/0x40 # [ 124.390129] direct_entry+0xd0/0x140 # [ 124.393980] full_proxy_write+0x68/0xbc # [ 124.398093] vfs_write+0xec/0x20c # [ 124.401682] ksys_write+0x70/0x100 # [ 124.405358] __arm64_sys_write+0x24/0x30 # [ 124.409559] el0_svc_common.constprop.0+0x84/0x1e0 # [ 124.414628] do_el0_svc+0x2c/0xa4 # [ 124.418218] el0_svc+0x20/0x30 # [ 124.421545] el0_sync_handler+0xb0/0xb4 # [ 124.425656] el0_sync+0x180/0x1c0 # [ 124.429242] irq event stamp: 0 # [ 124.432572] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 124.439124] hardirqs last disabled at (0): [] copy_process+0x5d4/0x1de0 # [ 124.447589] softirqs last enabled at (0): [] copy_process+0x5d4/0x1de0 # [ 124.456050] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 124.462595] ---[ end trace ee45f30151b01cf3 ]--- # [ 124.467706] 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>[ 124.986547] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED <6>[ 124.993781] lkdtm: attempting bad refcount_inc_not_zero() from saturated <4>[ 125.000825] ------------[ cut here ]------------ <4>[ 125.005767] refcount_t: saturated; leaking memory. <4>[ 125.011023] WARNING: CPU: 5 PID: 2648 at lib/refcount.c:19 refcount_warn_saturate+0xc8/0x144 <4>[ 125.019744] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 125.031529] CPU: 5 PID: 2648 Comm: cat Tainted: G D W 5.10.214-cip46 #1 <4>[ 125.039553] Hardware name: ARM Juno development board (r0) (DT) <4>[ 125.045754] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 125.052041] pc : refcount_warn_saturate+0xc8/0x144 <4>[ 125.057109] lr : refcount_warn_saturate+0xc8/0x144 <4>[ 125.062174] sp : ffff80001678bcb0 <4>[ 125.065760] x29: ffff80001678bcb0 x28: ffff000802e08000 <4>[ 125.071361] x27: 0000000000000000 x26: 0000000000000000 <4>[ 125.076962] x25: ffff8000114da090 x24: ffff80001678be20 <4>[ 125.082563] x23: 0000000000000020 x22: ffff000807d9f000 <4>[ 125.088164] x21: 0000000000000001 x20: 00000000c0000000 <4>[ 125.093765] x19: ffff80001678bd04 x18: 0000000000000002 <4>[ 125.099367] x17: 0000000000000000 x16: 0000000000000000 <4>[ 125.104968] x15: 0000000000000030 x14: ffffffffffffffff <4>[ 125.110569] x13: ffff80009678b95a x12: ffff80001678b964 <4>[ 125.116170] x11: ffff800012593d40 x10: 0000000000001440 <4>[ 125.121771] x9 : ffff80001012c294 x8 : 0000000000000000 <4>[ 125.127371] x7 : 0000000000000000 x6 : ffff800012565000 <4>[ 125.132971] x5 : ffff800012565c88 x4 : ffff00097efb2c68 <4>[ 125.138572] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 125.144172] x1 : 0000000000000000 x0 : ffff000802e08000 <4>[ 125.149773] Call trace: <4>[ 125.152493] refcount_warn_saturate+0xc8/0x144 <4>[ 125.157217] __refcount_add_not_zero.constprop.0+0x98/0xb4 <4>[ 125.162982] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x48/0x8c <4>[ 125.168923] lkdtm_do_action+0x24/0x40 <4>[ 125.172947] direct_entry+0xd0/0x140 <4>[ 125.176797] full_proxy_write+0x68/0xbc <4>[ 125.180910] vfs_write+0xec/0x20c <4>[ 125.184498] ksys_write+0x70/0x100 <4>[ 125.188173] __arm64_sys_write+0x24/0x30 <4>[ 125.192375] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 125.197443] do_el0_svc+0x2c/0xa4 <4>[ 125.201032] el0_svc+0x20/0x30 <4>[ 125.204360] el0_sync_handler+0xb0/0xb4 <4>[ 125.208470] el0_sync+0x180/0x1c0 <4>[ 125.212056] irq event stamp: 0 <4>[ 125.215385] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 125.221937] hardirqs last disabled at (0): [] copy_process+0x5d4/0x1de0 <4>[ 125.230401] softirqs last enabled at (0): [] copy_process+0x5d4/0x1de0 <4>[ 125.238863] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 125.245407] ---[ end trace ee45f30151b01cf4 ]--- <6>[ 125.250579] lkdtm: Saturation detected: still saturated # [ 124.986547] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 124.993781] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 125.000825] ------------[ cut here ]------------ # [ 125.005767] refcount_t: saturated; leaking memory. # [ 125.011023] WARNING: CPU: 5 PID: 2648 at lib/refcount.c:19 refcount_warn_saturate+0xc8/0x144 # [ 125.019744] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 125.031529] CPU: 5 PID: 2648 Comm: cat Tainted: G D W 5.10.214-cip46 #1 # [ 125.039553] Hardware name: ARM Juno development board (r0) (DT) # [ 125.045754] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 125.052041] pc : refcount_warn_saturate+0xc8/0x144 # [ 125.057109] lr : refcount_warn_saturate+0xc8/0x144 # [ 125.062174] sp : ffff80001678bcb0 # [ 125.065760] x29: ffff80001678bcb0 x28: ffff000802e08000 # [ 125.071361] x27: 0000000000000000 x26: 0000000000000000 # [ 125.076962] x25: ffff8000114da090 x24: ffff80001678be20 # [ 125.082563] x23: 0000000000000020 x22: ffff000807d9f000 # [ 125.088164] x21: 0000000000000001 x20: 00000000c0000000 # [ 125.093765] x19: ffff80001678bd04 x18: 0000000000000002 # [ 125.099367] x17: 0000000000000000 x16: 0000000000000000 # [ 125.104968] x15: 0000000000000030 x14: ffffffffffffffff # [ 125.110569] x13: ffff80009678b95a x12: ffff80001678b964 # [ 125.116170] x11: ffff800012593d40 x10: 0000000000001440 # [ 125.121771] x9 : ffff80001012c294 x8 : 0000000000000000 # [ 125.127371] x7 : 0000000000000000 x6 : ffff800012565000 # [ 125.132971] x5 : ffff800012565c88 x4 : ffff00097efb2c68 # [ 125.138572] x3 : 0000000000000000 x2 : 0000000000000000 # [ 125.144172] x1 : 0000000000000000 x0 : ffff000802e08000 # [ 125.149773] Call trace: # [ 125.152493] refcount_warn_saturate+0xc8/0x144 # [ 125.157217] __refcount_add_not_zero.constprop.0+0x98/0xb4 # [ 125.162982] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x48/0x8c # [ 125.168923] lkdtm_do_action+0x24/0x40 # [ 125.172947] direct_entry+0xd0/0x140 # [ 125.176797] full_proxy_write+0x68/0xbc # [ 125.180910] vfs_write+0xec/0x20c # [ 125.184498] ksys_write+0x70/0x100 # [ 125.188173] __arm64_sys_write+0x24/0x30 # [ 125.192375] el0_svc_common.constprop.0+0x84/0x1e0 # [ 125.197443] do_el0_svc+0x2c/0xa4 # [ 125.201032] el0_svc+0x20/0x30 # [ 125.204360] el0_sync_handler+0xb0/0xb4 # [ 125.208470] el0_sync+0x180/0x1c0 # [ 125.212056] irq event stamp: 0 # [ 125.215385] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 125.221937] hardirqs last disabled at (0): [] copy_process+0x5d4/0x1de0 # [ 125.230401] softirqs last enabled at (0): [] copy_process+0x5d4/0x1de0 # [ 125.238863] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 125.245407] ---[ end trace ee45f30151b01cf4 ]--- # [ 125.250579] 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>[ 125.774866] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED <6>[ 125.782099] lkdtm: attempting bad refcount_add_not_zero() from saturated <4>[ 125.789142] ------------[ cut here ]------------ <4>[ 125.794090] refcount_t: saturated; leaking memory. <4>[ 125.799338] WARNING: CPU: 1 PID: 2681 at lib/refcount.c:19 refcount_warn_saturate+0xc8/0x144 <4>[ 125.808058] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 125.819806] CPU: 1 PID: 2681 Comm: cat Tainted: G D W 5.10.214-cip46 #1 <4>[ 125.827826] Hardware name: ARM Juno development board (r0) (DT) <4>[ 125.834021] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 125.840302] pc : refcount_warn_saturate+0xc8/0x144 <4>[ 125.845364] lr : refcount_warn_saturate+0xc8/0x144 <4>[ 125.850423] sp : ffff80001681bcb0 <4>[ 125.854004] x29: ffff80001681bcb0 x28: ffff000804a03100 <4>[ 125.859598] x27: 0000000000000000 x26: 0000000000000000 <4>[ 125.865191] x25: ffff8000114da090 x24: ffff80001681be20 <4>[ 125.870783] x23: 0000000000000020 x22: ffff000802e17000 <4>[ 125.876374] x21: 0000000000000007 x20: 00000000c0000000 <4>[ 125.881966] x19: ffff80001681bd04 x18: 0000000000000000 <4>[ 125.887557] x17: 0000000000000000 x16: 0000000000000000 <4>[ 125.893148] x15: 0000000000000000 x14: 0000000000000000 <4>[ 125.898739] x13: 000000000000141d x12: 071c71c71c71c71c <4>[ 125.904330] x11: 000000000000141d x10: 0000000000001440 <4>[ 125.909922] x9 : ffff80001012c294 x8 : 0000000000000000 <4>[ 125.915513] x7 : 7fffffffffffffff x6 : ffff800012565000 <4>[ 125.921104] x5 : ffff800012565c88 x4 : ffff00097ef2ac68 <4>[ 125.926696] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 125.932287] x1 : 0000000000000000 x0 : ffff000804a03100 <4>[ 125.937878] Call trace: <4>[ 125.940591] refcount_warn_saturate+0xc8/0x144 <4>[ 125.945310] __refcount_add_not_zero.constprop.0+0x98/0xb4 <4>[ 125.951070] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x48/0x8c <4>[ 125.957004] lkdtm_do_action+0x24/0x40 <4>[ 125.961022] direct_entry+0xd0/0x140 <4>[ 125.964866] full_proxy_write+0x68/0xbc <4>[ 125.968972] vfs_write+0xec/0x20c <4>[ 125.972554] ksys_write+0x70/0x100 <4>[ 125.976224] __arm64_sys_write+0x24/0x30 <4>[ 125.980418] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 125.985481] do_el0_svc+0x2c/0xa4 <4>[ 125.989064] el0_svc+0x20/0x30 <4>[ 125.992385] el0_sync_handler+0xb0/0xb4 <4>[ 125.996490] el0_sync+0x180/0x1c0 <4>[ 126.000070] irq event stamp: 0 <4>[ 126.003393] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 126.009938] hardirqs last disabled at (0): [] copy_process+0x5d4/0x1de0 <4>[ 126.018395] softirqs last enabled at (0): [] copy_process+0x5d4/0x1de0 <4>[ 126.026851] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 126.033390] ---[ end trace ee45f30151b01cf5 ]--- <6>[ 126.038384] lkdtm: Saturation detected: still saturated # [ 125.774866] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 125.782099] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 125.789142] ------------[ cut here ]------------ # [ 125.794090] refcount_t: saturated; leaking memory. # [ 125.799338] WARNING: CPU: 1 PID: 2681 at lib/refcount.c:19 refcount_warn_saturate+0xc8/0x144 # [ 125.808058] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 125.819806] CPU: 1 PID: 2681 Comm: cat Tainted: G D W 5.10.214-cip46 #1 # [ 125.827826] Hardware name: ARM Juno development board (r0) (DT) # [ 125.834021] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 125.840302] pc : refcount_warn_saturate+0xc8/0x144 # [ 125.845364] lr : refcount_warn_saturate+0xc8/0x144 # [ 125.850423] sp : ffff80001681bcb0 # [ 125.854004] x29: ffff80001681bcb0 x28: ffff000804a03100 # [ 125.859598] x27: 0000000000000000 x26: 0000000000000000 # [ 125.865191] x25: ffff8000114da090 x24: ffff80001681be20 # [ 125.870783] x23: 0000000000000020 x22: ffff000802e17000 # [ 125.876374] x21: 0000000000000007 x20: 00000000c0000000 # [ 125.881966] x19: ffff80001681bd04 x18: 0000000000000000 # [ 125.887557] x17: 0000000000000000 x16: 0000000000000000 # [ 125.893148] x15: 0000000000000000 x14: 0000000000000000 # [ 125.898739] x13: 000000000000141d x12: 071c71c71c71c71c # [ 125.904330] x11: 000000000000141d x10: 0000000000001440 # [ 125.909922] x9 : ffff80001012c294 x8 : 0000000000000000 # [ 125.915513] x7 : 7fffffffffffffff x6 : ffff800012565000 # [ 125.921104] x5 : ffff800012565c88 x4 : ffff00097ef2ac68 # [ 125.926696] x3 : 0000000000000000 x2 : 0000000000000000 # [ 125.932287] x1 : 0000000000000000 x0 : ffff000804a03100 # [ 125.937878] Call trace: # [ 125.940591] refcount_warn_saturate+0xc8/0x144 # [ 125.945310] __refcount_add_not_zero.constprop.0+0x98/0xb4 # [ 125.951070] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x48/0x8c # [ 125.957004] lkdtm_do_action+0x24/0x40 # [ 125.961022] direct_entry+0xd0/0x140 # [ 125.964866] full_proxy_write+0x68/0xbc # [ 125.968972] vfs_write+0xec/0x20c # [ 125.972554] ksys_write+0x70/0x100 # [ 125.976224] __arm64_sys_write+0x24/0x30 # [ 125.980418] el0_svc_common.constprop.0+0x84/0x1e0 # [ 125.985481] do_el0_svc+0x2c/0xa4 # [ 125.989064] el0_svc+0x20/0x30 # [ 125.992385] el0_sync_handler+0xb0/0xb4 # [ 125.996490] el0_sync+0x180/0x1c0 # [ 126.000070] irq event stamp: 0 # [ 126.003393] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 126.009938] hardirqs last disabled at (0): [] copy_process+0x5d4/0x1de0 # [ 126.018395] softirqs last enabled at (0): [] copy_process+0x5d4/0x1de0 # [ 126.026851] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 126.033390] ---[ end trace ee45f30151b01cf5 ]--- # [ 126.038384] 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>[ 126.541303] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED <6>[ 126.548619] lkdtm: attempting bad refcount_dec_and_test() from saturated <4>[ 126.555732] ------------[ cut here ]------------ <4>[ 126.560780] refcount_t: underflow; use-after-free. <4>[ 126.565946] WARNING: CPU: 1 PID: 2717 at lib/refcount.c:28 refcount_warn_saturate+0xf4/0x144 <4>[ 126.574662] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 126.586411] CPU: 1 PID: 2717 Comm: cat Tainted: G D W 5.10.214-cip46 #1 <4>[ 126.594430] Hardware name: ARM Juno development board (r0) (DT) <4>[ 126.600624] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 126.606905] pc : refcount_warn_saturate+0xf4/0x144 <4>[ 126.611967] lr : refcount_warn_saturate+0xf4/0x144 <4>[ 126.617026] sp : ffff8000168c3cd0 <4>[ 126.620607] x29: ffff8000168c3cd0 x28: ffff000808864980 <4>[ 126.626200] x27: 0000000000000000 x26: 0000000000000000 <4>[ 126.631793] x25: ffff8000114da090 x24: ffff8000168c3e20 <4>[ 126.637384] x23: 0000000000000020 x22: ffff000803255000 <4>[ 126.642976] x21: ffff8000119ef068 x20: ffff8000114da430 <4>[ 126.648568] x19: 000000000000003a x18: 0000000000000000 <4>[ 126.654159] x17: 0000000000000000 x16: 0000000000000000 <4>[ 126.659750] x15: 0000000000000030 x14: ffffffffffffffff <4>[ 126.665342] x13: ffff8000968c397a x12: ffff8000168c3982 <4>[ 126.670933] x11: ffff800012593d40 x10: ffff8000125ebee0 <4>[ 126.676525] x9 : ffff80001012c294 x8 : ffff800012593ee0 <4>[ 126.682116] x7 : ffff8000125ebee0 x6 : ffff800012565000 <4>[ 126.687708] x5 : ffff800012565c88 x4 : ffff00097ef2ac68 <4>[ 126.693298] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 126.698890] x1 : 0000000000000000 x0 : ffff000808864980 <4>[ 126.704482] Call trace: <4>[ 126.707195] refcount_warn_saturate+0xf4/0x144 <4>[ 126.711913] __refcount_sub_and_test.constprop.0+0x74/0x8c <4>[ 126.717674] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x48/0x8c <4>[ 126.723607] lkdtm_do_action+0x24/0x40 <4>[ 126.727625] direct_entry+0xd0/0x140 <4>[ 126.731470] full_proxy_write+0x68/0xbc <4>[ 126.735575] vfs_write+0xec/0x20c <4>[ 126.739157] ksys_write+0x70/0x100 <4>[ 126.742826] __arm64_sys_write+0x24/0x30 <4>[ 126.747021] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 126.752083] do_el0_svc+0x2c/0xa4 <4>[ 126.755666] el0_svc+0x20/0x30 <4>[ 126.758988] el0_sync_handler+0xb0/0xb4 <4>[ 126.763092] el0_sync+0x180/0x1c0 <4>[ 126.766673] irq event stamp: 0 <4>[ 126.769996] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 126.776541] hardirqs last disabled at (0): [] copy_process+0x5d4/0x1de0 <4>[ 126.784998] softirqs last enabled at (0): [] copy_process+0x5d4/0x1de0 <4>[ 126.793453] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 126.799992] ---[ end trace ee45f30151b01cf6 ]--- <6>[ 126.804952] lkdtm: Saturation detected: still saturated # [ 126.541303] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 126.548619] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 126.555732] ------------[ cut here ]------------ # [ 126.560780] refcount_t: underflow; use-after-free. # [ 126.565946] WARNING: CPU: 1 PID: 2717 at lib/refcount.c:28 refcount_warn_saturate+0xf4/0x144 # [ 126.574662] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 126.586411] CPU: 1 PID: 2717 Comm: cat Tainted: G D W 5.10.214-cip46 #1 # [ 126.594430] Hardware name: ARM Juno development board (r0) (DT) # [ 126.600624] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 126.606905] pc : refcount_warn_saturate+0xf4/0x144 # [ 126.611967] lr : refcount_warn_saturate+0xf4/0x144 # [ 126.617026] sp : ffff8000168c3cd0 # [ 126.620607] x29: ffff8000168c3cd0 x28: ffff000808864980 # [ 126.626200] x27: 0000000000000000 x26: 0000000000000000 # [ 126.631793] x25: ffff8000114da090 x24: ffff8000168c3e20 # [ 126.637384] x23: 0000000000000020 x22: ffff000803255000 # [ 126.642976] x21: ffff8000119ef068 x20: ffff8000114da430 # [ 126.648568] x19: 000000000000003a x18: 0000000000000000 # [ 126.654159] x17: 0000000000000000 x16: 0000000000000000 # [ 126.659750] x15: 0000000000000030 x14: ffffffffffffffff # [ 126.665342] x13: ffff8000968c397a x12: ffff8000168c3982 # [ 126.670933] x11: ffff800012593d40 x10: ffff8000125ebee0 # [ 126.676525] x9 : ffff80001012c294 x8 : ffff800012593ee0 # [ 126.682116] x7 : ffff8000125ebee0 x6 : ffff800012565000 # [ 126.687708] x5 : ffff800012565c88 x4 : ffff00097ef2ac68 # [ 126.693298] x3 : 0000000000000000 x2 : 0000000000000000 # [ 126.698890] x1 : 0000000000000000 x0 : ffff000808864980 # [ 126.704482] Call trace: # [ 126.707195] refcount_warn_saturate+0xf4/0x144 # [ 126.711913] __refcount_sub_and_test.constprop.0+0x74/0x8c # [ 126.717674] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x48/0x8c # [ 126.723607] lkdtm_do_action+0x24/0x40 # [ 126.727625] direct_entry+0xd0/0x140 # [ 126.731470] full_proxy_write+0x68/0xbc # [ 126.735575] vfs_write+0xec/0x20c # [ 126.739157] ksys_write+0x70/0x100 # [ 126.742826] __arm64_sys_write+0x24/0x30 # [ 126.747021] el0_svc_common.constprop.0+0x84/0x1e0 # [ 126.752083] do_el0_svc+0x2c/0xa4 # [ 126.755666] el0_svc+0x20/0x30 # [ 126.758988] el0_sync_handler+0xb0/0xb4 # [ 126.763092] el0_sync+0x180/0x1c0 # [ 126.766673] irq event stamp: 0 # [ 126.769996] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 126.776541] hardirqs last disabled at (0): [] copy_process+0x5d4/0x1de0 # [ 126.784998] softirqs last enabled at (0): [] copy_process+0x5d4/0x1de0 # [ 126.793453] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 126.799992] ---[ end trace ee45f30151b01cf6 ]--- # [ 126.804952] 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>[ 127.322251] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED <6>[ 127.329486] lkdtm: attempting bad refcount_sub_and_test() from saturated <4>[ 127.336534] ------------[ cut here ]------------ <4>[ 127.341476] refcount_t: underflow; use-after-free. <4>[ 127.346735] WARNING: CPU: 3 PID: 2753 at lib/refcount.c:28 refcount_warn_saturate+0xf4/0x144 <4>[ 127.355458] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 127.367241] CPU: 3 PID: 2753 Comm: cat Tainted: G D W 5.10.214-cip46 #1 <4>[ 127.375265] Hardware name: ARM Juno development board (r0) (DT) <4>[ 127.381466] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) <4>[ 127.387753] pc : refcount_warn_saturate+0xf4/0x144 <4>[ 127.392821] lr : refcount_warn_saturate+0xf4/0x144 <4>[ 127.397885] sp : ffff80001695bcd0 <4>[ 127.401470] x29: ffff80001695bcd0 x28: ffff000805b79880 <4>[ 127.407072] x27: 0000000000000000 x26: 0000000000000000 <4>[ 127.412672] x25: ffff8000114da090 x24: ffff80001695be20 <4>[ 127.418274] x23: 0000000000000020 x22: ffff000803055000 <4>[ 127.423875] x21: ffff8000119ef088 x20: ffff8000114da440 <4>[ 127.429476] x19: 000000000000003b x18: 0000000000000000 <4>[ 127.435076] x17: 0000000000000000 x16: 0000000000000000 <4>[ 127.440677] x15: 0000000000000030 x14: ffffffffffffffff <4>[ 127.446278] x13: ffff80009695b97a x12: ffff80001695b982 <4>[ 127.451879] x11: ffff800012593d40 x10: 0000000000001440 <4>[ 127.457479] x9 : ffff80001012c294 x8 : 0000000000000000 <4>[ 127.463080] x7 : 0000000000000000 x6 : ffff800012565000 <4>[ 127.468681] x5 : ffff800012565c88 x4 : ffff00097ef6ec68 <4>[ 127.474282] x3 : 0000000000000000 x2 : 0000000000000000 <4>[ 127.479882] x1 : 0000000000000000 x0 : ffff000805b79880 <4>[ 127.485483] Call trace: <4>[ 127.488202] refcount_warn_saturate+0xf4/0x144 <4>[ 127.492927] __refcount_sub_and_test.constprop.0+0x74/0x8c <4>[ 127.498695] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x48/0x8c <4>[ 127.504635] lkdtm_do_action+0x24/0x40 <4>[ 127.508659] direct_entry+0xd0/0x140 <4>[ 127.512510] full_proxy_write+0x68/0xbc <4>[ 127.516622] vfs_write+0xec/0x20c <4>[ 127.520210] ksys_write+0x70/0x100 <4>[ 127.523886] __arm64_sys_write+0x24/0x30 <4>[ 127.528087] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 127.533155] do_el0_svc+0x2c/0xa4 <4>[ 127.536745] el0_svc+0x20/0x30 <4>[ 127.540073] el0_sync_handler+0xb0/0xb4 <4>[ 127.544183] el0_sync+0x180/0x1c0 <4>[ 127.547769] irq event stamp: 0 <4>[ 127.551098] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 127.557650] hardirqs last disabled at (0): [] copy_process+0x5d4/0x1de0 <4>[ 127.566115] softirqs last enabled at (0): [] copy_process+0x5d4/0x1de0 <4>[ 127.574577] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 127.581122] ---[ end trace ee45f30151b01cf7 ]--- <6>[ 127.586304] lkdtm: Saturation detected: still saturated # [ 127.322251] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 127.329486] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 127.336534] ------------[ cut here ]------------ # [ 127.341476] refcount_t: underflow; use-after-free. # [ 127.346735] WARNING: CPU: 3 PID: 2753 at lib/refcount.c:28 refcount_warn_saturate+0xf4/0x144 # [ 127.355458] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 127.367241] CPU: 3 PID: 2753 Comm: cat Tainted: G D W 5.10.214-cip46 #1 # [ 127.375265] Hardware name: ARM Juno development board (r0) (DT) # [ 127.381466] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 127.387753] pc : refcount_warn_saturate+0xf4/0x144 # [ 127.392821] lr : refcount_warn_saturate+0xf4/0x144 # [ 127.397885] sp : ffff80001695bcd0 # [ 127.401470] x29: ffff80001695bcd0 x28: ffff000805b79880 # [ 127.407072] x27: 0000000000000000 x26: 0000000000000000 # [ 127.412672] x25: ffff8000114da090 x24: ffff80001695be20 # [ 127.418274] x23: 0000000000000020 x22: ffff000803055000 # [ 127.423875] x21: ffff8000119ef088 x20: ffff8000114da440 # [ 127.429476] x19: 000000000000003b x18: 0000000000000000 # [ 127.435076] x17: 0000000000000000 x16: 0000000000000000 # [ 127.440677] x15: 0000000000000030 x14: ffffffffffffffff # [ 127.446278] x13: ffff80009695b97a x12: ffff80001695b982 # [ 127.451879] x11: ffff800012593d40 x10: 0000000000001440 # [ 127.457479] x9 : ffff80001012c294 x8 : 0000000000000000 # [ 127.463080] x7 : 0000000000000000 x6 : ffff800012565000 # [ 127.468681] x5 : ffff800012565c88 x4 : ffff00097ef6ec68 # [ 127.474282] x3 : 0000000000000000 x2 : 0000000000000000 # [ 127.479882] x1 : 0000000000000000 x0 : ffff000805b79880 # [ 127.485483] Call trace: # [ 127.488202] refcount_warn_saturate+0xf4/0x144 # [ 127.492927] __refcount_sub_and_test.constprop.0+0x74/0x8c # [ 127.498695] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x48/0x8c # [ 127.504635] lkdtm_do_action+0x24/0x40 # [ 127.508659] direct_entry+0xd0/0x140 # [ 127.512510] full_proxy_write+0x68/0xbc # [ 127.516622] vfs_write+0xec/0x20c # [ 127.520210] ksys_write+0x70/0x100 # [ 127.523886] __arm64_sys_write+0x24/0x30 # [ 127.528087] el0_svc_common.constprop.0+0x84/0x1e0 # [ 127.533155] do_el0_svc+0x2c/0xa4 # [ 127.536745] el0_svc+0x20/0x30 # [ 127.540073] el0_sync_handler+0xb0/0xb4 # [ 127.544183] el0_sync+0x180/0x1c0 # [ 127.547769] irq event stamp: 0 # [ 127.551098] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 127.557650] hardirqs last disabled at (0): [] copy_process+0x5d4/0x1de0 # [ 127.566115] softirqs last enabled at (0): [] copy_process+0x5d4/0x1de0 # [ 127.574577] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 127.581122] ---[ end trace ee45f30151b01cf7 ]--- # [ 127.586304] 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>[ 128.511308] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO <6>[ 128.517689] lkdtm: attempting good copy_to_user of correct size <6>[ 128.524070] lkdtm: attempting bad copy_to_user of too large size # [ 128.511308] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 128.517689] lkdtm: attempting good copy_to_user of correct size # [ 128.524070] 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>[ 129.034065] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM <6>[ 129.040635] lkdtm: attempting good copy_from_user of correct size <6>[ 129.047096] lkdtm: attempting bad copy_from_user of too large size # [ 129.034065] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 129.040635] lkdtm: attempting good copy_from_user of correct size # [ 129.047096] 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>[ 129.541404] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO <6>[ 129.548254] lkdtm: attempting good copy_to_user inside whitelist <6>[ 129.554713] lkdtm: attempting bad copy_to_user outside whitelist # [ 129.541404] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 129.548254] lkdtm: attempting good copy_to_user inside whitelist # [ 129.554713] 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>[ 130.056020] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM <6>[ 130.063283] lkdtm: attempting good copy_from_user inside whitelist <6>[ 130.069846] lkdtm: attempting bad copy_from_user outside whitelist # [ 130.056020] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 130.063283] lkdtm: attempting good copy_from_user inside whitelist # [ 130.069846] 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>[ 130.557939] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO <6>[ 130.564499] lkdtm: good_stack: ffff800016d23cd8-ffff800016d23cf8 <6>[ 130.570969] lkdtm: bad_stack : ffff800016d23c38-ffff800016d23c58 <6>[ 130.577331] lkdtm: attempting good copy_to_user of local stack <6>[ 130.583609] lkdtm: attempting bad copy_to_user of distant stack # [ 130.557939] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 130.564499] lkdtm: good_stack: ffff800016d23cd8-ffff800016d23cf8 # [ 130.570969] lkdtm: bad_stack : ffff800016d23c38-ffff800016d23c58 # [ 130.577331] lkdtm: attempting good copy_to_user of local stack # [ 130.583609] 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>[ 131.080225] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM <6>[ 131.086954] lkdtm: good_stack: ffff800016e03cd8-ffff800016e03cf8 <6>[ 131.093370] lkdtm: bad_stack : ffff800016e03c38-ffff800016e03c58 <6>[ 131.099758] lkdtm: attempting good copy_from_user of local stack <6>[ 131.106129] lkdtm: attempting bad copy_from_user of distant stack # [ 131.080225] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 131.086954] lkdtm: good_stack: ffff800016e03cd8-ffff800016e03cf8 # [ 131.093370] lkdtm: bad_stack : ffff800016e03c38-ffff800016e03c58 # [ 131.099758] lkdtm: attempting good copy_from_user of local stack # [ 131.106129] 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>[ 131.601102] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND <6>[ 131.607450] lkdtm: good_stack: ffff800016eb3cd8-ffff800016eb3cf8 <6>[ 131.613797] lkdtm: bad_stack : ffff800016eb3ff8-ffff800016eb4018 <6>[ 131.620155] lkdtm: attempting good copy_to_user of local stack <6>[ 131.626575] lkdtm: attempting bad copy_to_user of distant stack <1>[ 131.632929] Unable to handle kernel paging request at virtual address ffff800016eb4000 <1>[ 131.641156] Mem abort info: <1>[ 131.644267] ESR = 0x96000007 <1>[ 131.647615] EC = 0x25: DABT (current EL), IL = 32 bits <1>[ 131.653225] SET = 0, FnV = 0 <1>[ 131.656573] EA = 0, S1PTW = 0 <1>[ 131.660009] Data abort info: <1>[ 131.663205] ISV = 0, ISS = 0x00000007 <1>[ 131.667354] CM = 0, WnR = 0 <1>[ 131.670595] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081dad000 <1>[ 131.677605] [ffff800016eb4000] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=000000088775b003, pte=0000000000000000 <0>[ 131.690500] Internal error: Oops: 0000000096000007 [#16] PREEMPT SMP <4>[ 131.697134] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc <4>[ 131.708883] CPU: 1 PID: 3056 Comm: cat Tainted: G D W 5.10.214-cip46 #1 <4>[ 131.716903] Hardware name: ARM Juno development board (r0) (DT) <4>[ 131.723098] pstate: 80000005 (Nzcv daif -PAN -UAO -TCO BTYPE=--) <4>[ 131.729385] pc : __arch_copy_to_user+0xa0/0x310 <4>[ 131.734188] lr : _copy_to_user+0x6c/0x94 <4>[ 131.738378] sp : ffff800016eb3c70 <4>[ 131.741959] x29: ffff800016eb3c70 x28: ffff000807d64980 <4>[ 131.747553] x27: 0000000000000000 x26: 0000000000000000 <4>[ 131.753145] x25: ffff8000114da090 x24: ffff800016eb3e20 <4>[ 131.758737] x23: 0000000000000016 x22: ffff000802581000 <4>[ 131.764329] x21: ffff800016eb3ff8 x20: 0000ffffa4873000 <4>[ 131.769921] x19: 0000000000000020 x18: 0000000000000000 <4>[ 131.775515] x17: 0000000000000000 x16: 0000000000000000 <4>[ 131.781111] x15: ffff800016eb3ff8 x14: ffffffffffffffff <4>[ 131.786704] x13: ffff800096eb398a x12: ffff800016eb3992 <4>[ 131.792296] x11: ffff800012593d40 x10: ffff8000125ebee0 <4>[ 131.797887] x9 : ffff8000100ddd4c x8 : 0000000000000000 <4>[ 131.803478] x7 : ffff8000125ebee0 x6 : 0000ffffa4873008 <4>[ 131.809070] x5 : 0000ffffa4873020 x4 : 0000000000000008 <4>[ 131.814661] x3 : 0000000000000010 x2 : 0000000000000018 <4>[ 131.820252] x1 : ffff800016eb4000 x0 : 0000ffffa4873000 <4>[ 131.825844] Call trace: <4>[ 131.828558] __arch_copy_to_user+0xa0/0x310 <4>[ 131.833015] do_usercopy_stack+0x28c/0x294 <4>[ 131.837382] lkdtm_USERCOPY_STACK_BEYOND+0x20/0x30 <4>[ 131.842445] lkdtm_do_action+0x24/0x40 <4>[ 131.846462] direct_entry+0xd0/0x140 <4>[ 131.850307] full_proxy_write+0x68/0xbc <4>[ 131.854413] vfs_write+0xec/0x20c <4>[ 131.857996] ksys_write+0x70/0x100 <4>[ 131.861666] __arm64_sys_write+0x24/0x30 <4>[ 131.865861] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 131.870923] do_el0_svc+0x2c/0xa4 <4>[ 131.874506] el0_svc+0x20/0x30 <4>[ 131.877828] el0_sync_handler+0xb0/0xb4 <4>[ 131.881933] el0_sync+0x180/0x1c0 <0>[ 131.885518] Code: a8c12027 a88120c7 d503201f d503201f (a8c12027) <4>[ 131.891888] ---[ end trace ee45f30151b01cf8 ]--- # Segmentation fault # [ 131.601102] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 131.607450] lkdtm: good_stack: ffff800016eb3cd8-ffff800016eb3cf8 # [ 131.613797] lkdtm: bad_stack : ffff800016eb3ff8-ffff800016eb4018 # [ 131.620155] lkdtm: attempting good copy_to_user of local stack # [ 131.626575] lkdtm: attempting bad copy_to_user of distant stack # [ 131.632929] Unable to handle kernel paging request at virtual address ffff800016eb4000 # [ 131.641156] Mem abort info: # [ 131.644267] ESR = 0x96000007 # [ 131.647615] EC = 0x25: DABT (current EL), IL = 32 bits # [ 131.653225] SET = 0, FnV = 0 # [ 131.656573] EA = 0, S1PTW = 0 # [ 131.660009] Data abort info: # [ 131.663205] ISV = 0, ISS = 0x00000007 # [ 131.667354] CM = 0, WnR = 0 # [ 131.670595] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081dad000 # [ 131.677605] [ffff800016eb4000] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=000000088775b003, pte=0000000000000000 # [ 131.690500] Internal error: Oops: 0000000096000007 [#16] PREEMPT SMP # [ 131.697134] Modules linked in: cfg80211 rfkill fuse dm_mod ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 131.708883] CPU: 1 PID: 3056 Comm: cat Tainted: G D W 5.10.214-cip46 #1 # [ 131.716903] Hardware name: ARM Juno development board (r0) (DT) # [ 131.723098] pstate: 80000005 (Nzcv daif -PAN -UAO -TCO BTYPE=--) # [ 131.729385] pc : __arch_copy_to_user+0xa0/0x310 # [ 131.734188] lr : _copy_to_user+0x6c/0x94 # [ 131.738378] sp : ffff800016eb3c70 # [ 131.741959] x29: ffff800016eb3c70 x28: ffff000807d64980 # [ 131.747553] x27: 0000000000000000 x26: 0000000000000000 # [ 131.753145] x25: ffff8000114da090 x24: ffff800016eb3e20 # [ 131.758737] x23: 0000000000000016 x22: ffff000802581000 # [ 131.764329] x21: ffff800016eb3ff8 x20: 0000ffffa4873000 # [ 131.769921] x19: 0000000000000020 x18: 0000000000000000 # [ 131.775515] x17: 0000000000000000 x16: 0000000000000000 # [ 131.781111] x15: ffff800016eb3ff8 x14: ffffffffffffffff # [ 131.786704] x13: ffff800096eb398a x12: ffff800016eb3992 # [ 131.792296] x11: ffff800012593d40 x10: ffff8000125ebee0 # [ 131.797887] x9 : ffff8000100ddd4c x8 : 0000000000000000 # [ 131.803478] x7 : ffff8000125ebee0 x6 : 0000ffffa4873008 # [ 131.809070] x5 : 0000ffffa4873020 x4 : 0000000000000008 # [ 131.814661] x3 : 0000000000000010 x2 : 0000000000000018 # [ 131.820252] x1 : ffff800016eb4000 x0 : 0000ffffa4873000 # [ 131.825844] Call trace: # [ 131.828558] __arch_copy_to_user+0xa0/0x310 # [ 131.833015] do_usercopy_stack+0x28c/0x294 # [ 131.837382] lkdtm_USERCOPY_STACK_BEYOND+0x20/0x30 # [ 131.842445] lkdtm_do_action+0x24/0x40 # [ 131.846462] direct_entry+0xd0/0x140 # [ 131.850307] full_proxy_write+0x68/0xbc # [ 131.854413] vfs_write+0xec/0x20c # [ 131.857996] ksys_write+0x70/0x100 # [ 131.861666] __arm64_sys_write+0x24/0x30 # [ 131.865861] el0_svc_common.constprop.0+0x84/0x1e0 # [ 131.870923] do_el0_svc+0x2c/0xa4 # [ 131.874506] el0_svc+0x20/0x30 # [ 131.877828] el0_sync_handler+0xb0/0xb4 # [ 131.881933] el0_sync+0x180/0x1c0 # [ 131.885518] Code: a8c12027 a88120c7 d503201f d503201f (a8c12027) # [ 131.891888] ---[ end trace ee45f30151b01cf8 ]--- # USERCOPY_STACK_BEYOND: saw 'call trace:': ok ok 67 selftests: lkdtm: USERCOPY_STACK_BEYOND.sh # selftests: lkdtm: USERCOPY_KERNEL.sh <6>[ 132.379198] lkdtm: Performing direct entry USERCOPY_KERNEL <6>[ 132.385049] lkdtm: attempting good copy_to_user from kernel rodata: ffff8000114da5a0 <6>[ 132.393185] lkdtm: attempting bad copy_to_user from kernel text: ffff8000102d09a0 <3>[ 132.401079] lkdtm: FAIL: survived bad copy_to_user() # [ 132.379198] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 132.385049] lkdtm: attempting good copy_to_user from kernel rodata: ffff8000114da5a0 # [ 132.393185] lkdtm: attempting bad copy_to_user from kernel text: ffff8000102d09a0 # [ 132.401079] 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>[ 132.899800] lkdtm: Performing direct entry STACKLEAK_ERASING <6>[ 132.905796] lkdtm: checking unused part of the thread stack (15608 bytes)... <3>[ 132.913291] lkdtm: FAIL: the erased part is not found (checked 15608 bytes) <3>[ 132.920614] lkdtm: FAIL: the thread stack is NOT properly erased <4>[ 132.927317] CPU: 1 PID: 3140 Comm: cat Tainted: G D W 5.10.214-cip46 #1 <4>[ 132.935344] Hardware name: ARM Juno development board (r0) (DT) <4>[ 132.941537] Call trace: <4>[ 132.944256] dump_backtrace+0x0/0x200 <4>[ 132.948188] show_stack+0x20/0x30 <4>[ 132.951773] dump_stack+0x110/0x160 <4>[ 132.955531] lkdtm_STACKLEAK_ERASING+0x130/0x170 <4>[ 132.960423] lkdtm_do_action+0x24/0x40 <4>[ 132.964442] direct_entry+0xd0/0x140 <4>[ 132.968287] full_proxy_write+0x68/0xbc <4>[ 132.972394] vfs_write+0xec/0x20c <4>[ 132.975978] ksys_write+0x70/0x100 <4>[ 132.979648] __arm64_sys_write+0x24/0x30 <4>[ 132.983843] el0_svc_common.constprop.0+0x84/0x1e0 <4>[ 132.988906] do_el0_svc+0x2c/0xa4 <4>[ 132.992490] el0_svc+0x20/0x30 <4>[ 132.995812] el0_sync_handler+0xb0/0xb4 <4>[ 132.999917] el0_sync+0x180/0x1c0 # [ 132.899800] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 132.905796] lkdtm: checking unused part of the thread stack (15608 bytes)... # [ 132.913291] lkdtm: FAIL: the erased part is not found (checked 15608 bytes) # [ 132.920614] lkdtm: FAIL: the thread stack is NOT properly erased # [ 132.927317] CPU: 1 PID: 3140 Comm: cat Tainted: G D W 5.10.214-cip46 #1 # [ 132.935344] Hardware name: ARM Juno development board (r0) (DT) # [ 132.941537] Call trace: # [ 132.944256] dump_backtrace+0x0/0x200 # [ 132.948188] show_stack+0x20/0x30 # [ 132.951773] dump_stack+0x110/0x160 # [ 132.955531] lkdtm_STACKLEAK_ERASING+0x130/0x170 # [ 132.960423] lkdtm_do_action+0x24/0x40 # [ 132.964442] direct_entry+0xd0/0x140 # [ 132.968287] full_proxy_write+0x68/0xbc # [ 132.972394] vfs_write+0xec/0x20c # [ 132.975978] ksys_write+0x70/0x100 # [ 132.979648] __arm64_sys_write+0x24/0x30 # [ 132.983843] el0_svc_common.constprop.0+0x84/0x1e0 # [ 132.988906] do_el0_svc+0x2c/0xa4 # [ 132.992490] el0_svc+0x20/0x30 # [ 132.995812] el0_sync_handler+0xb0/0xb4 # [ 132.999917] 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>[ 133.516560] lkdtm: Performing direct entry CFI_FORWARD_PROTO <6>[ 133.522555] lkdtm: Calling matched prototype ... <6>[ 133.527507] lkdtm: Calling mismatched prototype ... <6>[ 133.532714] lkdtm: Fail: survived mismatched prototype function call! # [ 133.516560] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 133.522555] lkdtm: Calling matched prototype ... # [ 133.527507] lkdtm: Calling mismatched prototype ... # [ 133.532714] 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 / #