Trying 127.0.0.1... Connected to 127.0.0.1. Escape character is '^]'. �� ARM V2M-Juno Boot loader v1.0.0 HBI0262 build 2068 MBbios update in progress DO NOT SWITCH OFF... Device programmed: 1%Device programmed: 3%Device programmed: 4%Device programmed: 6%Device programmed: 7%Device programmed: 9%Device programmed: 10%Device programmed: 12%Device programmed: 14%Device programmed: 15%Device programmed: 17%Device programmed: 18%Device programmed: 20%Device programmed: 21%Device programmed: 23%Device programmed: 25%Device programmed: 26%Device programmed: 28%Device programmed: 29%Device programmed: 31%Device programmed: 32%Device programmed: 34%Device programmed: 35%Device programmed: 37%Device programmed: 39% MBbios update complete. ARM V2M_Juno Firmware v1.5.1 Build Date: Apr 3 2019 Time : 00:00:00 Date : 01:01:2000 Press Enter to stop auto boot... Powering up system... Switching on ATXPSU... PMIC RAM configuration (pms_v103.bin)... MBtemp : 37 degC Configuring motherboard (rev B, var A)... IOFPGA image \MB\HBI0262B\io_b118.bit IOFPGA config: PASSED OSC CLK config: PASSED Configuring SCC registers... Writing SCC 0x00000054 with 0x0007FFFE Writing SCC 0x0000005C with 0x00FE001E Writing SCC 0x00000100 with 0x003F1000 Writing SCC 0x00000104 with 0x0001F300 Writing SCC 0x00000108 with 0x00371000 Writing SCC 0x0000010C with 0x0001B300 Writing SCC 0x00000118 with 0x003F1000 Writing SCC 0x0000011C with 0x0001F100 Writing SCC 0x000000F8 with 0x0BEC0000 Writing SCC 0x000000FC with 0xABE40000 Writing SCC 0x0000000C with 0x000000C2 Writing SCC 0x00000010 with 0x000000C2 Peripheral ID0:0x000000AD Peripheral ID1:0x000000B0 Peripheral ID2:0x0000000B Peripheral ID3:0x00000000 Peripheral ID4:0x0000000D Peripheral ID5:0x000000F0 Peripheral ID6:0x00000005 Peripheral ID7:0x000000B1 Programming NOR Flash PCIE clock configured... Testing motherboard interfaces (FPGA build 118)... SRAM 32MB test: PASSED LAN9118 test: PASSED ERROR: SMC USB SRAM mode lock SMC USB test: FAILED KMI1/2 test: PASSED MMC test: PASSED PB/LEDs test: PASSED FPGA UART test: PASSED PCIe init test: PASSED MAC addrs test: PASSED SMC MAC address 0002-F700-584D Setting HDMI0 mode for SVGA. Setting HDMI1 mode for SVGA. SoC SMB clock enabled. Testing SMB clock... SMB clock running Releasing system resets... UART0 set to SoC UART0 UART1 set to SoC UART1 NOTICE: Booting Trusted Firmware NOTICE: BL1: v2.1(release):v2.2-rc0 NOTICE: BL1: Built : 02:01:47, Apr 13 2022 NOTICE: BL1: Booting BL2 NOTICE: BL2: v2.1(release):v2.2-rc0 NOTICE: BL2: Built : 02:01:49, Apr 13 2022 NOTICE: BL1: Booting BL31 NOTICE: BL31: v2.1(release):v2.2-rc0 NOTICE: BL31: Built : 02:01:52, Apr 13 2022 U-Boot 2022.04-00567-gb2a22b2c9f-dirty (Apr 14 2022 - 01:11:52 +0100) vexpress_aemv8a DRAM: 8 GiB PCIe XR3 Host Bridge enabled: x4 link (Gen 2) Core: 21 devices, 8 uclasses, devicetree: board Flash: 64 MiB Loading Environment from Flash... *** Warning - bad CRC, using default environment In: serial@7ff80000 Out: serial@7ff80000 Err: serial@7ff80000 Net: eth0: ethernet@200000000 Hit any key to stop autoboot: 1  0 VExpress64# setenv autoload no setenv autoload no VExpress64# setenv initrd_high 0xffffffffffffffff setenv initrd_high 0xffffffffffffffff VExpress64# setenv fdt_high 0xffffffffffffffff setenv fdt_high 0xffffffffffffffff VExpress64# dhcp dhcp smc911x: detected LAN9118 controller smc911x: phy initialized smc911x: MAC 00:02:f7:00:58:4d BOOTP broadcast 1 BOOTP broadcast 2 BOOTP broadcast 3 BOOTP broadcast 4 BOOTP broadcast 5 *** Unhandled DHCP Option in OFFER/ACK: 42 *** Unhandled DHCP Option in OFFER/ACK: 42 DHCP client bound to address 192.168.56.208 (3788 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 121774/tftp-deploy-pw7i26z2/kernel/uImage tftp 0x80200000 121774/tftp-deploy-pw7i26z2/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 192.168.56.208 Filename '121774/tftp-deploy-pw7i26z2/kernel/uImage'. Load address: 0x80200000 Loading: *################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ######################################################### 1.9 MiB/s done Bytes transferred = 43774528 (29bf240 hex) smc911x: MAC 00:02:f7:00:58:4d VExpress64# tftp 0x8fe00000 121774/tftp-deploy-pw7i26z2/ramdisk/ramdisk.cpio.gz.uboot tftp 0x8fe00000 121774/tftp-deploy-pw7i26z2/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 192.168.56.208 Filename '121774/tftp-deploy-pw7i26z2/ramdisk/ramdisk.cpio.gz.uboot'. Load address: 0x8fe00000 Loading: *################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ########################################################### 1.5 MiB/s done Bytes transferred = 18031788 (11324ac hex) smc911x: MAC 00:02:f7:00:58:4d VExpress64# setenv initrd_size ${filesize} setenv initrd_size ${filesize} VExpress64# tftp 0x8fc00000 121774/tftp-deploy-pw7i26z2/dtb/juno.dtb tftp 0x8fc00000 121774/tftp-deploy-pw7i26z2/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 192.168.56.208 Filename '121774/tftp-deploy-pw7i26z2/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/121774/extract-nfsrootfs-nr1u0xm8,tcp,hard,vers=3 earlycon=pl011,0x7ff80000 ip=dhcp' setenv bootargs 'console=ttyAMA0,115200n8 root=/dev/nfs rw nfsroot=192.168.56.230:/var/lib/lava/dispatcher/tmp/121774/extract-nfsrootfs-nr1u0xm8,tcp,hard,vers=3 earlycon=pl011,0x7ff80000 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: 43774464 Bytes = 41.7 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: 18031724 Bytes = 17.2 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 5.10.154-cip19 (KernelCI@build-j492646-arm64-gcc-10-defconfig-kselftest-v7qvs) (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 Fri Nov 11 03:23:58 UTC 2022 [ 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] 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 s100944 r8192 d30128 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/121774/extract-nfsrootfs-nr1u0xm8,tcp,hard,vers=3 earlycon=pl011,0x7ff80000 ip=dhcp [ 0.000000] Dentry cache hash table entries: 1048576 (order: 11, 8388608 bytes, linear) [ 0.000000] Inode-cache hash table entries: 524288 (order: 10, 4194304 bytes, linear) [ 0.000000] mem auto-init: stack:off, heap alloc:off, heap free:off [ 0.000000] software IO TLB: mapped [mem 0x00000000f9000000-0x00000000fd000000] (64MB) [ 0.000000] Memory: 8041096K/8372224K available (18880K kernel code, 4540K rwdata, 9464K rodata, 9728K init, 11276K bss, 298360K reserved, 32768K cma-reserved) [ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=6, Nodes=1 [ 0.000000] ftrace: allocating 58521 entries in 229 pages [ 0.000000] ftrace: allocated 229 pages with 5 groups [ 0.000000] Running RCU self tests [ 0.000000] rcu: Preemptible hierarchical RCU implementation. [ 0.000000] rcu: RCU event tracing is enabled. [ 0.000000] rcu: RCU lockdep checking is enabled. [ 0.000000] rcu: RCU restricting CPUs from NR_CPUS=256 to nr_cpu_ids=6. [ 0.000000] Trampoline variant of Tasks RCU enabled. [ 0.000000] Rude variant of Tasks RCU enabled. [ 0.000000] Tracing variant of Tasks RCU enabled. [ 0.000000] rcu: RCU calculated value of scheduler-enlistment delay is 25 jiffies. [ 0.000000] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=6 [ 0.000000] NR_IRQS: 64, nr_irqs: 64, preallocated irqs: 0 [ 0.000000] GIC: Using split EOI/Deactivate mode [ 0.000000] GICv2m: range[mem 0x2c1c0000-0x2c1cffff], SPI[224:255] [ 0.000000] GICv2m: range[mem 0x2c1d0000-0x2c1dffff], SPI[256:287] [ 0.000000] GICv2m: range[mem 0x2c1e0000-0x2c1effff], SPI[288:319] [ 0.000000] GICv2m: range[mem 0x2c1f0000-0x2c1fffff], SPI[320:351] [ 0.000000] sp804: timer clock not found: -517 [ 0.000000] sp804: arm,sp804 clock not found: -2 [ 0.000000] Failed to initialize '/bus@8000000/motherboard-bus/iofpga-bus@300000000/timer@110000': -22 [ 0.000000] sp804: timer clock not found: -517 [ 0.000000] sp804: arm,sp804 clock not found: -2 [ 0.000000] Failed to initialize '/bus@8000000/motherboard-bus/iofpga-bus@300000000/timer@120000': -22 [ 0.000000] arch_timer: cp15 timer(s) running at 50.00MHz (phys). [ 0.000000] clocksource: arch_sys_counter: mask: 0xffffffffffffff max_cycles: 0xb8812736b, max_idle_ns: 440795202655 ns [ 0.000008] sched_clock: 56 bits at 50MHz, resolution 20ns, wraps every 4398046511100ns [ 0.009657] Console: colour dummy device 80x25 [ 0.014276] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 0.022190] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 0.026399] ... MAX_LOCK_DEPTH: 48 [ 0.030694] ... MAX_LOCKDEP_KEYS: 8192 [ 0.035165] ... CLASSHASH_SIZE: 4096 [ 0.039636] ... MAX_LOCKDEP_ENTRIES: 32768 [ 0.044195] ... MAX_LOCKDEP_CHAINS: 65536 [ 0.048754] ... CHAINHASH_SIZE: 32768 [ 0.053313] memory used by lock dependency info: 6365 kB [ 0.058841] memory used for stack traces: 4224 kB [ 0.063752] per task-struct memory footprint: 1920 bytes [ 0.069504] Calibrating delay loop (skipped), value calculated using timer frequency.. 100.00 BogoMIPS (lpj=200000) [ 0.080180] pid_max: default: 32768 minimum: 301 [ 0.085361] LSM: Security Framework initializing [ 0.090192] LSM support for eBPF active [ 0.094343] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes, linear) [ 0.102123] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes, linear) [ 0.124503] rcu: Hierarchical SRCU implementation. [ 0.140558] EFI services will not be available. [ 0.147612] smp: Bringing up secondary CPUs ... [ 0.156838] CPU features: detected: ARM erratum 832075 [ 0.156847] CPU features: detected: ARM erratum 834220 [ 0.156855] CPU features: detected: EL2 vector hardening [ 0.156869] CPU features: detected: Spectre-v2 [ 0.156882] CPU features: detected: ARM errata 1165522, 1319367, or 1530923 [ 0.156890] CPU features: detected: Spectre-BHB [ 0.156900] Detected PIPT I-cache on CPU1 [ 0.156979] CPU1: Booted secondary processor 0x0000000000 [0x410fd070] [ 0.161845] Detected PIPT I-cache on CPU2 [ 0.161895] CPU2: Booted secondary processor 0x0000000001 [0x410fd070] [ 0.166700] Detected VIPT I-cache on CPU3 [ 0.166795] CPU3: Booted secondary processor 0x0000000101 [0x410fd030] [ 0.171756] Detected VIPT I-cache on CPU4 [ 0.171833] CPU4: Booted secondary processor 0x0000000102 [0x410fd030] [ 0.176665] Detected VIPT I-cache on CPU5 [ 0.176740] CPU5: Booted secondary processor 0x0000000103 [0x410fd030] [ 0.177763] smp: Brought up 1 node, 6 CPUs [ 0.268551] SMP: Total of 6 processors activated. [ 0.273455] CPU features: detected: 32-bit EL0 Support [ 0.278967] CPU features: detected: CRC32 instructions [ 0.284309] CPU features: detected: 32-bit EL1 Support [ 0.376174] CPU: All CPU(s) started at EL2 [ 0.380635] alternatives: patching kernel code [ 0.396822] devtmpfs: initialized [ 0.436897] KASLR disabled due to lack of seed [ 0.444369] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 7645041785100000 ns [ 0.454358] futex hash table entries: 2048 (order: 6, 262144 bytes, linear) [ 0.463739] pinctrl core: initialized pinctrl subsystem [ 0.474757] DMI not present or invalid. [ 0.480654] NET: Registered protocol family 16 [ 0.492085] DMA: preallocated 1024 KiB GFP_KERNEL pool for atomic allocations [ 0.499780] DMA: preallocated 1024 KiB GFP_KERNEL|GFP_DMA pool for atomic allocations [ 0.509351] DMA: preallocated 1024 KiB GFP_KERNEL|GFP_DMA32 pool for atomic allocations [ 0.517808] audit: initializing netlink subsys (disabled) [ 0.524069] audit: type=2000 audit(0.436:1): state=initialized audit_enabled=0 res=1 [ 0.528226] thermal_sys: Registered thermal governor 'step_wise' [ 0.531994] thermal_sys: Registered thermal governor 'power_allocator' [ 0.539698] cpuidle: using governor menu [ 0.550968] hw-breakpoint: found 6 breakpoint and 4 watchpoint registers. [ 0.558529] ASID allocator initialised with 65536 entries [ 0.569256] Serial: AMBA PL011 UART driver [ 0.681106] 7ff80000.serial: ttyAMA0 at MMIO 0x7ff80000 (irq = 38, base_baud = 0) is a PL011 rev3 [ 0.690261] printk: console [ttyAMA0] enabled [ 0.690261] printk: console [ttyAMA0] enabled [ 0.699126] printk: bootconsole [pl11] disabled [ 0.699126] printk: bootconsole [pl11] disabled [ 0.777760] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages [ 0.784576] HugeTLB registered 32.0 MiB page size, pre-allocated 0 pages [ 0.791360] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 0.798127] HugeTLB registered 64.0 KiB page size, pre-allocated 0 pages [ 0.813142] cryptd: max_cpu_qlen set to 1000 [ 0.831832] ACPI: Interpreter disabled. [ 0.844360] iommu: Default domain type: Translated [ 0.850346] vgaarb: loaded [ 0.854817] SCSI subsystem initialized [ 0.860550] usbcore: registered new interface driver usbfs [ 0.866358] usbcore: registered new interface driver hub [ 0.871939] usbcore: registered new device driver usb [ 0.882760] pps_core: LinuxPPS API ver. 1 registered [ 0.887830] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 0.897106] PTP clock support registered [ 0.901570] EDAC MC: Ver: 3.0.0 [ 0.910963] FPGA manager framework [ 0.914913] Advanced Linux Sound Architecture Driver Initialized. [ 0.924722] clocksource: Switched to clocksource arch_sys_counter [ 2.372174] VFS: Disk quotas dquot_6.6.0 [ 2.376374] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 2.384733] pnp: PnP ACPI: disabled [ 2.432148] NET: Registered protocol family 2 [ 2.437511] IP idents hash table entries: 131072 (order: 8, 1048576 bytes, linear) [ 2.450784] tcp_listen_portaddr_hash hash table entries: 4096 (order: 6, 327680 bytes, linear) [ 2.460859] TCP established hash table entries: 65536 (order: 7, 524288 bytes, linear) [ 2.472647] TCP bind hash table entries: 65536 (order: 10, 4718592 bytes, vmalloc) [ 2.495630] TCP: Hash tables configured (established 65536 bind 65536) [ 2.503650] MPTCP token hash table entries: 8192 (order: 7, 720896 bytes, linear) [ 2.513503] UDP hash table entries: 4096 (order: 7, 655360 bytes, linear) [ 2.522586] UDP-Lite hash table entries: 4096 (order: 7, 655360 bytes, linear) [ 2.532359] NET: Registered protocol family 1 [ 2.539390] RPC: Registered named UNIX socket transport module. [ 2.545448] RPC: Registered udp transport module. [ 2.550253] RPC: Registered tcp transport module. [ 2.555036] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 2.561572] NET: Registered protocol family 44 [ 2.566114] PCI: CLS 0 bytes, default 64 [ 2.571067] Unpacking initramfs... [ 4.394079] Freeing initrd memory: 17604K [ 4.402336] hw perfevents: enabled with armv8_cortex_a57 PMU driver, 7 counters available [ 4.412995] hw perfevents: enabled with armv8_cortex_a53 PMU driver, 7 counters available [ 4.421439] kvm [1]: Guests without required CPU erratum workarounds can deadlock system! [ 4.421439] Only trusted guests should be used on this system. [ 4.435596] kvm [1]: IPA Size Limit: 40 bits [ 4.455310] kvm [1]: vgic interrupt IRQ9 [ 4.460182] kvm [1]: Hyp mode initialized successfully [ 4.491658] Initialise system trusted keyrings [ 4.497275] workingset: timestamp_bits=42 max_order=21 bucket_order=0 [ 4.561632] squashfs: version 4.0 (2009/01/31) Phillip Lougher [ 4.571024] NFS: Registering the id_resolver key type [ 4.576309] Key type id_resolver registered [ 4.580602] Key type id_legacy registered [ 4.585313] nfs4filelayout_init: NFSv4 File Layout Driver Registering... [ 4.592144] nfs4flexfilelayout_init: NFSv4 Flexfile Layout Driver Registering... [ 4.600289] 9p: Installing v9fs 9p2000 file system support [ 4.656664] Key type asymmetric registered [ 4.660932] Asymmetric key parser 'x509' registered [ 4.666003] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 245) [ 4.673503] io scheduler mq-deadline registered [ 4.678129] io scheduler kyber registered [ 4.683003] test_firmware: interface ready [ 4.720231] pl061_gpio 1c1d0000.gpio: PL061 GPIO chip registered [ 4.738983] EINJ: ACPI disabled. [ 4.768266] dma-pl330 7ff00000.dma: Loaded driver for PL330 DMAC-341330 [ 4.774972] dma-pl330 7ff00000.dma: DBUFF-1024x16bytes Num_Chans-8 Num_Peri-8 Num_Events-8 [ 4.822578] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 4.840420] SuperH (H)SCI(F) driver initialized [ 4.846734] msm_serial: driver initialized [ 4.855605] arm-smmu 7fb10000.iommu: probing hardware configuration... [ 4.862250] arm-smmu 7fb10000.iommu: SMMUv1 with: [ 4.867036] arm-smmu 7fb10000.iommu: stage 2 translation [ 4.872513] arm-smmu 7fb10000.iommu: non-coherent table walk [ 4.878338] arm-smmu 7fb10000.iommu: (IDR0.CTTW overridden by FW configuration) [ 4.885928] arm-smmu 7fb10000.iommu: stream matching with 2 register groups [ 4.893074] arm-smmu 7fb10000.iommu: 1 context banks (1 stage-2 only) [ 4.899693] arm-smmu 7fb10000.iommu: Supported page sizes: 0x60211000 [ 4.906302] arm-smmu 7fb10000.iommu: Stage-2: 40-bit IPA -> 40-bit PA [ 4.914450] arm-smmu 7fb20000.iommu: probing hardware configuration... [ 4.921092] arm-smmu 7fb20000.iommu: SMMUv1 with: [ 4.925876] arm-smmu 7fb20000.iommu: stage 2 translation [ 4.931352] arm-smmu 7fb20000.iommu: non-coherent table walk [ 4.937176] arm-smmu 7fb20000.iommu: (IDR0.CTTW overridden by FW configuration) [ 4.944662] arm-smmu 7fb20000.iommu: stream matching with 2 register groups [ 4.951842] arm-smmu 7fb20000.iommu: 1 context banks (1 stage-2 only) [ 4.958461] arm-smmu 7fb20000.iommu: Supported page sizes: 0x60211000 [ 4.965070] arm-smmu 7fb20000.iommu: Stage-2: 40-bit IPA -> 40-bit PA [ 4.972637] arm-smmu 7fb30000.iommu: probing hardware configuration... [ 4.979252] arm-smmu 7fb30000.iommu: SMMUv1 with: [ 4.984052] arm-smmu 7fb30000.iommu: stage 2 translation [ 4.989545] arm-smmu 7fb30000.iommu: coherent table walk [ 4.995033] arm-smmu 7fb30000.iommu: stream matching with 2 register groups [ 5.002172] arm-smmu 7fb30000.iommu: 1 context banks (1 stage-2 only) [ 5.008788] arm-smmu 7fb30000.iommu: Supported page sizes: 0x60211000 [ 5.015396] arm-smmu 7fb30000.iommu: Stage-2: 40-bit IPA -> 40-bit PA [ 5.088014] loop: module loaded [ 5.093971] lkdtm: No crash points registered, enable through debugfs [ 5.104296] megasas: 07.714.04.00-rc1 [ 5.133969] thunder_xcv, ver 1.0 [ 5.137459] thunder_bgx, ver 1.0 [ 5.140951] nicpf, ver 1.0 [ 5.148029] hclge is initializing [ 5.151536] hns3: Hisilicon Ethernet Network Driver for Hip08 Family - version [ 5.158847] hns3: Copyright (c) 2017 Huawei Corporation. [ 5.164420] e1000: Intel(R) PRO/1000 Network Driver [ 5.169375] e1000: Copyright (c) 1999-2006 Intel Corporation. [ 5.175386] e1000e: Intel(R) PRO/1000 Network Driver [ 5.180444] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. [ 5.186638] igb: Intel(R) Gigabit Ethernet Network Driver [ 5.192114] igb: Copyright (c) 2007-2014 Intel Corporation. [ 5.197910] igbvf: Intel(R) Gigabit Virtual Function Network Driver [ 5.204257] igbvf: Copyright (c) 2009 - 2012 Intel Corporation. [ 5.211459] sky2: driver version 1.30 [ 5.281636] smsc911x 18000000.ethernet eth0: MAC Address: 00:02:f7:00:58:4d [ 5.293001] VFIO - User Level meta-driver version: 0.3 [ 5.305124] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 5.311803] ehci-pci: EHCI PCI platform driver [ 5.316460] ehci-platform: EHCI generic platform driver [ 5.322458] ehci-platform 7ffc0000.usb: Adding to iommu group 0 [ 5.329423] ehci-platform 7ffc0000.usb: EHCI Host Controller [ 5.335381] ehci-platform 7ffc0000.usb: new USB bus registered, assigned bus number 1 [ 5.343880] ehci-platform 7ffc0000.usb: irq 41, io mem 0x7ffc0000 [ 5.364807] ehci-platform 7ffc0000.usb: USB 2.0 started, EHCI 1.00 [ 5.375409] hub 1-0:1.0: USB hub found [ 5.379480] hub 1-0:1.0: 1 port detected [ 5.385667] ehci-orion: EHCI orion driver [ 5.390168] ehci-exynos: EHCI Exynos driver [ 5.394782] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 5.401104] ohci-pci: OHCI PCI platform driver [ 5.405839] ohci-platform: OHCI generic platform driver [ 5.411684] ohci-platform 7ffb0000.usb: Adding to iommu group 0 [ 5.418088] ohci-platform 7ffb0000.usb: Generic Platform OHCI controller [ 5.424955] ohci-platform 7ffb0000.usb: new USB bus registered, assigned bus number 2 [ 5.433342] ohci-platform 7ffb0000.usb: irq 40, io mem 0x7ffb0000 [ 5.519898] hub 2-0:1.0: USB hub found [ 5.523879] hub 2-0:1.0: 1 port detected [ 5.529677] ohci-exynos: OHCI Exynos driver [ 5.535532] usbcore: registered new interface driver usb-storage [ 5.555705] rtc-pl031 1c170000.rtc: registered as rtc0 [ 5.561089] rtc-pl031 1c170000.rtc: setting system clock to 2000-01-01T00:02:47 UTC (946684967) [ 5.572106] i2c /dev entries driver [ 5.592166] sp805-wdt 1c0f0000.wdt: registration successful [ 5.615598] mmci-pl18x 1c050000.mmci: mmc0: PL180 manf 41 rev0 at 0x1c050000 irq 16,0 (pio) [ 5.636873] usb 1-1: new high-speed USB device number 2 using ehci-platform [ 5.651468] sdhci: Secure Digital Host Controller Interface driver [ 5.658200] sdhci: Copyright(c) Pierre Ossman [ 5.664777] Synopsys Designware Multimedia Card Interface Driver [ 5.674876] sdhci-pltfm: SDHCI platform and OF driver helper [ 5.688453] leds-syscon 1c010000.apbregs:led0: registered LED (null) [ 5.695960] leds-syscon 1c010000.apbregs:led1: registered LED (null) [ 5.703147] leds-syscon 1c010000.apbregs:led2: registered LED (null) [ 5.710536] leds-syscon 1c010000.apbregs:led3: registered LED (null) [ 5.717835] leds-syscon 1c010000.apbregs:led4: registered LED (null) [ 5.725234] leds-syscon 1c010000.apbregs:led5: registered LED (null) [ 5.732520] leds-syscon 1c010000.apbregs:led6: registered LED (null) [ 5.739885] leds-syscon 1c010000.apbregs:led7: registered LED (null) [ 5.749614] ledtrig-cpu: registered to indicate activity on CPUs [ 5.762975] usbcore: registered new interface driver usbhid [ 5.768623] usbhid: USB HID core driver [ 5.776223] mhu 2b1f0000.mhu: ARM MHU Mailbox registered [ 5.799352] ipip: IPv4 and MPLS over IPv4 tunneling driver [ 5.807219] hub 1-1:1.0: USB hub found [ 5.807419] gre: GRE over IPv4 demultiplexor driver [ 5.811595] hub 1-1:1.0: 4 ports detected [ 5.816174] ip_gre: GRE over IPv4 tunneling driver [ 5.821661] IPv4 over IPsec tunneling driver [ 5.834765] NET: Registered protocol family 10 [ 5.845170] Segment Routing with IPv6 [ 5.853364] ip6_gre: GRE over IPv6 tunneling driver [ 5.860343] NET: Registered protocol family 17 [ 5.866415] 9pnet: Installing 9P2000 support [ 5.871005] Key type dns_resolver registered [ 5.876742] registered taskstats version 1 [ 5.880950] Loading compiled-in X.509 certificates [ 5.941338] scpi_protocol scpi: incorrect or no SCP firmware found [ 5.947891] scpi_protocol: probe of scpi failed with error -110 [ 5.958438] arm-smmu 2b600000.iommu: deferred probe timeout, ignoring dependency [ 5.965976] arm-smmu: probe of 2b600000.iommu failed with error -110 [ 5.979775] input: gpio-keys as /devices/platform/gpio-keys/input/input1 [ 6.580944] atkbd serio0: keyboard reset failed on 1c060000.kmi [ 6.809727] 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) [ 6.836791] smsc911x 18000000.ethernet eth0: SMSC911x/921x identified at 0xffff800014200000, IRQ: 15 [ 6.846528] IP-Config: Failed to open gretap0 [ 6.850982] IP-Config: Failed to open erspan0 [ 6.872785] Sending DHCP requests . [ 7.828843] atkbd serio1: keyboard reset failed on 1c070000.kmi [ 8.886203] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready [ 9.568781] . [ 10.804839] amba 20010000.etf: deferred probe timeout, ignoring dependency [ 10.813558] amba 20030000.tpiu: deferred probe timeout, ignoring dependency [ 10.820743] amba 20040000.funnel: deferred probe timeout, ignoring dependency [ 10.828032] amba 20070000.etr: deferred probe timeout, ignoring dependency [ 10.835059] amba 20100000.stm: deferred probe timeout, ignoring dependency [ 10.842089] amba 20120000.replicator: deferred probe timeout, ignoring dependency [ 10.849723] amba 22010000.cpu-debug: deferred probe timeout, ignoring dependency [ 10.857274] amba 22040000.etm: deferred probe timeout, ignoring dependency [ 10.864298] amba 220c0000.funnel: deferred probe timeout, ignoring dependency [ 10.871625] amba 22110000.cpu-debug: deferred probe timeout, ignoring dependency [ 10.879174] amba 22140000.etm: deferred probe timeout, ignoring dependency [ 10.886200] amba 23010000.cpu-debug: deferred probe timeout, ignoring dependency [ 10.893747] amba 23040000.etm: deferred probe timeout, ignoring dependency [ 10.900799] amba 230c0000.funnel: deferred probe timeout, ignoring dependency [ 10.908084] amba 23110000.cpu-debug: deferred probe timeout, ignoring dependency [ 10.915630] amba 23140000.etm: deferred probe timeout, ignoring dependency [ 10.922653] amba 23210000.cpu-debug: deferred probe timeout, ignoring dependency [ 10.930220] amba 23240000.etm: deferred probe timeout, ignoring dependency [ 10.937245] amba 23310000.cpu-debug: deferred probe timeout, ignoring dependency [ 10.944791] amba 23340000.etm: deferred probe timeout, ignoring dependency [ 14.276827] ., OK [ 14.343013] IP-Config: Got DHCP answer from 192.168.56.254, my address is 192.168.56.208 [ 14.351265] IP-Config: Complete: [ 14.354605] device=eth0, hwaddr=00:02:f7:00:58:4d, ipaddr=192.168.56.208, mask=255.255.255.0, gw=192.168.56.254 [ 14.365250] host=192.168.56.208, domain=mayfield.sirena.org.uk, nis-domain=(none) [ 14.373283] bootserver=192.168.56.254, rootserver=192.168.56.230, rootpath= [ 14.373314] nameserver0=192.168.56.254 [ 14.385111] ntpserver0=50.205.244.22, ntpserver1=85.199.214.99 [ 14.393032] ALSA device list: [ 14.396164] No soundcards found. [ 14.400537] uart-pl011 7ff80000.serial: no DMA platform data [ 14.448856] Freeing unused kernel memory: 9728K [ 14.453857] Run /init as init process Loading, please wait... [ 14.537051] 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 Starting version 247.3-7+deb11u1 [ 14.664882] psmouse serio0: Failed to enable mouse on 1c060000.kmi [ 17.315272] tda998x 0-0070: found TDA19988 [ 17.450857] 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 ... done. IP-Config: gretap0 hardware address 00:00:00:00:00:00 mtu 1462 DHCP SIOCSIFFLAGS: Cannot assign requested address IP-Config: erspan0 hardware address 00:00:00:00:00:00 mtu 1450 DHCP SIOCSIFFLAGS: Cannot assign requested address 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: 192.168.56.208 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. [ 20.867634] systemd[1]: System time before build time, advancing clock. [ 21.175683] 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 [ 21.282278] systemd[1]: systemd 247.3-7+deb11u1 running in system mode. (+PAM +AUDIT +SELINUX +IMA +APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL +XZ +LZ4 +ZSTD +SECCOMP +BLKID +ELFUTILS +KMOD +IDN2 -IDN +PCRE2 default-hierarchy=unified) [ 21.303189] psmouse serio1: Failed to enable mouse on 1c070000.kmi [ 21.311026] systemd[1]: Detected architecture arm64. Welcome to [1mDebian GNU/Linux 11 (bullseye)[0m! [ 21.378503] systemd[1]: Set hostname to . [ 23.115630] systemd[1]: Queued start job for default target Graphical Interface. [ 23.128034] random: systemd: uninitialized urandom read (16 bytes read) [ 23.153381] systemd[1]: Created slice system-getty.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-getty.slice[0m. [ 23.177266] random: systemd: uninitialized urandom read (16 bytes read) [ 23.190364] systemd[1]: Created slice system-modprobe.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-modprobe.slice[0m. [ 23.213096] random: systemd: uninitialized urandom read (16 bytes read) [ 23.228625] systemd[1]: Created slice system-serial\x2dgetty.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-serial\x2dgetty.slice[0m. [ 23.254988] systemd[1]: Created slice User and Session Slice. [[0;32m OK [0m] Created slice [0;1;39mUser and Session Slice[0m. [ 23.278915] systemd[1]: Started Dispatch Password Requests to Console Directory Watch. [[0;32m OK [0m] Started [0;1;39mDispatch Password …ts to Console Directory Watch[0m. [ 23.306735] systemd[1]: Started Forward Password Requests to Wall Directory Watch. [[0;32m OK [0m] Started [0;1;39mForward Password R…uests to Wall Directory Watch[0m. [ 23.329398] systemd[1]: Condition check resulted in Arbitrary Executable File Formats File System Automount Point being skipped. [ 23.341491] systemd[1]: Reached target Local Encrypted Volumes. [[0;32m OK [0m] Reached target [0;1;39mLocal Encrypted Volumes[0m. [ 23.361245] systemd[1]: Reached target Paths. [[0;32m OK [0m] Reached target [0;1;39mPaths[0m. [ 23.381343] systemd[1]: Reached target Remote File Systems. [[0;32m OK [0m] Reached target [0;1;39mRemote File Systems[0m. [ 23.401319] systemd[1]: Reached target Slices. [[0;32m OK [0m] Reached target [0;1;39mSlices[0m. [ 23.421339] systemd[1]: Reached target Swap. [[0;32m OK [0m] Reached target [0;1;39mSwap[0m. [ 23.442847] systemd[1]: Listening on initctl Compatibility Named Pipe. [[0;32m OK [0m] Listening on [0;1;39minitctl Compatibility Named Pipe[0m. [ 23.469428] systemd[1]: Listening on Journal Audit Socket. [[0;32m OK [0m] Listening on [0;1;39mJournal Audit Socket[0m. [ 23.493295] systemd[1]: Listening on Journal Socket (/dev/log). [[0;32m OK [0m] Listening on [0;1;39mJournal Socket (/dev/log)[0m. [ 23.515977] systemd[1]: Listening on Journal Socket. [[0;32m OK [0m] Listening on [0;1;39mJournal Socket[0m. [ 23.537035] systemd[1]: Listening on Network Service Netlink Socket. [[0;32m OK [0m] Listening on [0;1;39mNetwork Service Netlink Socket[0m. [ 23.564034] systemd[1]: Listening on udev Control Socket. [[0;32m OK [0m] Listening on [0;1;39mudev Control Socket[0m. [ 23.587503] systemd[1]: Listening on udev Kernel Socket. [[0;32m OK [0m] Listening on [0;1;39mudev Kernel Socket[0m. [ 23.629861] systemd[1]: Mounting Huge Pages File System... Mounting [0;1;39mHuge Pages File System[0m... [ 23.669280] systemd[1]: Mounting POSIX Message Queue File System... Mounting [0;1;39mPOSIX Message Queue File System[0m... [ 23.710421] systemd[1]: Mounting Kernel Debug File System... Mounting [0;1;39mKernel Debug File System[0m... [ 23.750045] systemd[1]: Mounting Kernel Trace File System... Mounting [0;1;39mKernel Trace File System[0m... [ 23.810856] systemd[1]: Starting Create list of static device nodes for the current kernel... Starting [0;1;39mCreate list of st…odes for the current kernel[0m... [ 23.858250] systemd[1]: Starting Load Kernel Module configfs... Starting [0;1;39mLoad Kernel Module configfs[0m... [ 23.901888] systemd[1]: Starting Load Kernel Module drm... Starting [0;1;39mLoad Kernel Module drm[0m... [ 23.945843] systemd[1]: Starting Load Kernel Module fuse... Starting [0;1;39mLoad Kernel Module fuse[0m... [ 23.975270] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped. [ 24.018601] systemd[1]: Starting Journal Service... Starting [0;1;39mJournal Service[0m... [ 24.079289] fuse: init (API version 7.32) [ 24.095894] systemd[1]: Starting Load Kernel Modules... Starting [0;1;39mLoad Kernel Modules[0m... [ 24.138088] systemd[1]: Starting Remount Root and Kernel File Systems... Starting [0;1;39mRemount Root and Kernel File Systems[0m... [ 24.162257] random: systemd: uninitialized urandom read (16 bytes read) [ 24.193299] systemd[1]: Starting Coldplug All udev Devices... Starting [0;1;39mColdplug All udev Devices[0m... [ 24.239651] systemd[1]: Mounted Huge Pages File System. [[0;32m OK [0m] Mounted [0;1;39mHuge Pages File System[0m. [ 24.265150] systemd[1]: Mounted POSIX Message Queue File System. [[0;32m OK [0m] Mounted [0;1;39mPOSIX Message Queue File System[0m. [ 24.292873] systemd[1]: Mounted Kernel Debug File System. [[0;32m OK [0m] Mounted [0;1;39mKernel Debug File System[0m. [ 24.316251] systemd[1]: Mounted Kernel Trace File System. [[0;32m OK [0m] Mounted [0;1;39mKernel Trace File System[0m. [ 24.332631] random: systemd-journal: uninitialized urandom read (16 bytes read) [ 24.361859] systemd[1]: Finished Create list of static device nodes for the current kernel. [[0;32m OK [0m] Finished [0;1;39mCreate list of st… nodes for the current kernel[0m. [ 24.394061] systemd[1]: modprobe@configfs.service: Succeeded. [ 24.410527] systemd[1]: Finished Load Kernel Module configfs. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Module configfs[0m. [ 24.441304] systemd[1]: modprobe@drm.service: Succeeded. [ 24.456985] systemd[1]: Finished Load Kernel Module drm. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Module drm[0m. [ 24.486082] systemd[1]: modprobe@fuse.service: Succeeded. [ 24.501964] systemd[1]: Finished Load Kernel Module fuse. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Module fuse[0m. [ 24.536774] systemd[1]: Finished Load Kernel Modules. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Modules[0m. [ 24.573545] systemd[1]: Finished Remount Root and Kernel File Systems. [[0;32m OK [0m] Finished [0;1;39mRemount Root and Kernel File Systems[0m. [ 24.606059] random: systemd: uninitialized urandom read (16 bytes read) [ 24.642931] systemd[1]: Mounting FUSE Control File System... Mounting [0;1;39mFUSE Control File System[0m... [ 24.696588] systemd[1]: Mounting Kernel Configuration File System... Mounting [0;1;39mKernel Configuration File System[0m... [ 24.731376] systemd[1]: Condition check resulted in Rebuild Hardware Database being skipped. [ 24.741511] systemd[1]: Condition check resulted in Platform Persistent Storage Archival being skipped. [ 24.782274] systemd[1]: Starting Load/Save Random Seed... Starting [0;1;39mLoad/Save Random Seed[0m... [ 24.827706] systemd[1]: Starting Apply Kernel Variables... Starting [0;1;39mApply Kernel Variables[0m... [ 24.869290] systemd[1]: Starting Create System Users... Starting [0;1;39mCreate System Users[0m... [ 24.899676] systemd[1]: Started Journal Service. [[0;32m OK [0m] Started [0;1;39mJournal Service[0m. [[0;32m OK [0m] Mounted [0;1;39mFUSE Control File System[0m. [[0;32m OK [0m] Mounted [0;1;39mKernel Configuration File System[0m. Starting [0;1;39mFlush Journal to Persistent Storage[0m... [[0;32m OK [0m] Finished [0;1;39mApply Kernel Variables[0m. [ 25.207880] systemd-journald[223]: Received client request to flush runtime journal. [ 25.232410] random: systemd-journal: uninitialized urandom read (16 bytes read) [[0;32m OK [0m] Finished [0;1;39mCreate System Users[0m. [ 25.312406] random: systemd: uninitialized urandom read (16 bytes read) Starting [0;1;39mCreate Static Device Nodes in /dev[0m... [ 26.413289] random: crng init done [ 26.416866] random: 48 urandom warning(s) missed due to ratelimiting [[0;32m OK [0m] Finished [0;1;39mLoad/Save Random Seed[0m. [[0;32m OK [0m] Finished [0;1;39mCreate Static Device Nodes in /dev[0m. [[0;32m OK [0m] Reached target [0;1;39mLocal File Systems (Pre)[0m. [[0;32m OK [0m] Reached target [0;1;39mLocal File Systems[0m. Starting [0;1;39mRule-based Manage…for Device Events and Files[0m... [[0;32m OK [0m] Finished [0;1;39mFlush Journal to Persistent Storage[0m. [[0;32m OK [0m] Finished [0;1;39mColdplug All udev Devices[0m. Starting [0;1;39mCreate Volatile Files and Directories[0m... [[0;32m OK [0m] Started [0;1;39mRule-based Manager for Device Events and Files[0m. Starting [0;1;39mNetwork Service[0m... [[0;32m OK [0m] Finished [0;1;39mCreate Volatile Files and Directories[0m. Starting [0;1;39mNetwork Time Synchronization[0m... Starting [0;1;39mUpdate UTMP about System Boot/Shutdown[0m... [[0;32m OK [0m] Finished [0;1;39mUpdate UTMP about System Boot/Shutdown[0m. [[0;32m OK [0m] Started [0;1;39mNetwork Service[0m. Starting [0;1;39mNetwork Name Resolution[0m... [[0;32m OK [0m] Started [0;1;39mNetwork Time Synchronization[0m. [[0;32m OK [0m] Reached target [0;1;39mSystem Initialization[0m. [[0;32m OK [0m] Started [0;1;39mDaily Cleanup of Temporary Directories[0m. [[0;32m OK [0m] Reached target [0;1;39mSystem Time Set[0m. [[0;32m OK [0m] Reached target [0;1;39mSystem Time Synchronized[0m. [[0;32m OK [0m] Started [0;1;39mDaily apt download activities[0m. [[0;32m OK [0m] Started [0;1;39mDaily apt upgrade and clean activities[0m. [[0;32m OK [0m] Started [0;1;39mPeriodic ext4 Onli…ata Check for All Filesystems[0m. [[0;32m OK [0m] Started [0;1;39mDiscard unused blocks once a week[0m. [[0;32m OK [0m] Reached target [0;1;39mTimers[0m. [[0;32m OK [0m] Listening on [0;1;39mD-Bus System Message Bus Socket[0m. [[0;32m OK [0m] Reached target [0;1;39mSockets[0m. [[0;32m OK [0m] Reached target [0;1;39mBasic System[0m. [[0;32m OK [0m] Started [0;1;39mD-Bus System Message Bus[0m. Starting [0;1;39mRemove Stale Onli…t4 Metadata Check Snapshots[0m... Starting [0;1;39mUser Login Management[0m... [[0;32m OK [0m] Found device [0;1;39m/dev/ttyAMA0[0m. [[0;32m OK [0m] Finished [0;1;39mRemove Stale Onli…ext4 Metadata Check Snapshots[0m. [[0;32m OK [0m] Started [0;1;39mUser Login Management[0m. [[0;32m OK [0m] Started [0;1;39mNetwork Name Resolution[0m. [[0;32m OK [0m] Reached target [0;1;39mNetwork[0m. [[0;32m OK [0m] Reached target [0;1;39mHost and Network Name Lookups[0m. Starting [0;1;39mPermit User Sessions[0m... [[0;32m OK [0m] Finished [0;1;39mPermit User Sessions[0m. [[0;32m OK [0m] Started [0;1;39mGetty on tty1[0m. [[0;32m OK [0m] Started [0;1;39mSerial Getty on ttyAMA0[0m. [[0;32m OK [0m] Reached target [0;1;39mLogin Prompts[0m. [[0;32m OK [0m] Reached target [0;1;39mMulti-User System[0m. [[0;32m OK [0m] Reached target [0;1;39mGraphical Interface[0m. Starting [0;1;39mUpdate UTMP about System Runlevel Changes[0m... [[0;32m OK [0m] Finished [0;1;39mUpdate UTMP about System Runlevel Changes[0m. Debian GNU/Linux 11 debian-bullseye-arm64 ttyAMA0 debian-bullseye-arm64 login: root (automatic login) Linux debian-bullseye-arm64 5.10.154-cip19 #1 SMP PREEMPT Fri Nov 11 03:23:58 UTC 2022 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/121774/extract-nfsrootfs-nr1u0xm8' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/121774/extract-nfsrootfs-nr1u0xm8' / # export NFS_SERVER_IP='192.168.56.230' export NFS_SERVER_IP='192.168.56.230' / # # # / # export SHELL=/bin/bash export SHELL=/bin/bash / # . /lava-121774/environment . /lava-121774/environment / # /lava-121774/bin/lava-test-runner /lava-121774/0 /lava-121774/bin/lava-test-runner /lava-121774/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-121774/0/tests/0_timesync-off ++ cat uuid + UUID=121774_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-121774/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=121774_1.6.2.4.5 + set +x + cd ./automated/linux/kselftest/ + ./kselftest.sh -c lkdtm -T '' -t kselftest_armhf.tar.gz -s false -u http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.153-cip19-122-g149fbc7cd21d/arm64/defconfig+kselftest/gcc-10/kselftest.tar.xz -L '' -S skipfile-lkft.yaml -b juno-uboot -g cip-gitlab -e '' -p /opt/kselftests/mainline/ INFO: Generating a skipfile based on /lava-121774/0/tests/1_kselftest-lkdtm/automated/linux/kselftest/skipfile-lkft.yaml INFO: Using the following generated skipfile contents (until EOF): breakpoints:breakpoint_test breakpoints:step_after_suspend_test ftrace:ftracetest net:rtnetlink.sh net:tls netfilter:bridge_brouter.sh netfilter:nft_flowtable.sh netfilter:nft_trans_stress.sh pidfd:pidfd_wait INFO: EOF INFO: Installing sed perl wget xz-utils iproute2 Hit:1 http://deb.debian.org/debian bullseye InRelease Reading package lists... Reading package lists... Building dependency tree... Reading state information... iproute2 is already the newest version (5.10.0-4). perl is already the newest version (5.32.1-4+deb11u2). sed is already the newest version (4.7-1). wget is already the newest version (1.21-1+deb11u1). xz-utils is already the newest version (5.2.5-2.1~deb11u1). 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded. --2022-11-12 03:42:41-- http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.153-cip19-122-g149fbc7cd21d/arm64/defconfig+kselftest/gcc-10/kselftest.tar.xz Resolving storage.kernelci.org (storage.kernelci.org)... 52.250.1.28 Connecting to storage.kernelci.org (storage.kernelci.org)|52.250.1.28|:80... connected. HTTP request sent, awaiting response... 200 OK Length: 1736440 (1.7M) [application/octet-stream] Saving to: 'kselftest.tar.xz' kselftest.tar.xz 0%[ ] 0 --.-KB/s kselftest.tar.xz 1%[ ] 20.46K 65.5KB/s kselftest.tar.xz 4%[ ] 73.26K 117KB/s kselftest.tar.xz 7%[> ] 119.92K 127KB/s kselftest.tar.xz 9%[> ] 166.59K 132KB/s kselftest.tar.xz 12%[=> ] 218.91K 138KB/s kselftest.tar.xz 15%[==> ] 269.82K 149KB/s kselftest.tar.xz 17%[==> ] 296.68K 148KB/s kselftest.tar.xz 19%[==> ] 324.96K 146KB/s kselftest.tar.xz 22%[===> ] 375.87K 154KB/s kselftest.tar.xz 23%[===> ] 404.15K 150KB/s kselftest.tar.xz 27%[====> ] 457.89K 157KB/s kselftest.tar.xz 28%[====> ] 487.58K 154KB/s eta 8s kselftest.tar.xz 32%[=====> ] 544.14K 160KB/s eta 8s kselftest.tar.xz 34%[=====> ] 578.08K 170KB/s eta 8s kselftest.tar.xz 36%[======> ] 612.02K 169KB/s eta 8s kselftest.tar.xz 39%[======> ] 671.41K 178KB/s eta 8s kselftest.tar.xz 41%[=======> ] 709.59K 180KB/s eta 6s kselftest.tar.xz 44%[=======> ] 746.35K 182KB/s eta 6s kselftest.tar.xz 47%[========> ] 807.16K 190KB/s eta 6s kselftest.tar.xz 50%[=========> ] 851.00K 193KB/s eta 6s kselftest.tar.xz 52%[=========> ] 893.42K 195KB/s eta 6s kselftest.tar.xz 55%[==========> ] 947.15K 202KB/s eta 4s kselftest.tar.xz 59%[==========> ] 1002K 208KB/s eta 4s kselftest.tar.xz 62%[===========> ] 1.03M 214KB/s eta 4s kselftest.tar.xz 66%[============> ] 1.09M 222KB/s eta 4s kselftest.tar.xz 68%[============> ] 1.14M 226KB/s eta 4s kselftest.tar.xz 72%[=============> ] 1.20M 233KB/s eta 2s kselftest.tar.xz 77%[==============> ] 1.28M 246KB/s eta 2s kselftest.tar.xz 81%[===============> ] 1.34M 253KB/s eta 2s kselftest.tar.xz 85%[================> ] 1.41M 264KB/s eta 2s kselftest.tar.xz 91%[=================> ] 1.52M 284KB/s eta 2s kselftest.tar.xz 97%[==================> ] 1.61M 297KB/s eta 0s kselftest.tar.xz 100%[===================>] 1.66M 308KB/s in 7.5s 2022-11-12 03:42:49 (227 KB/s) - 'kselftest.tar.xz' saved [1736440/1736440] skiplist: ======================================== breakpoints:breakpoint_test breakpoints:step_after_suspend_test ftrace:ftracetest net:rtnetlink.sh net:tls netfilter:bridge_brouter.sh netfilter:nft_flowtable.sh netfilter:nft_trans_stress.sh pidfd:pidfd_wait ======================================== [ 117.643539] 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 [ 118.752117] lkdtm: Performing direct entry BUG [ 118.756936] ------------[ cut here ]------------ [ 118.761601] kernel BUG at drivers/misc/lkdtm/bugs.c:76! [ 118.767155] Internal error: Oops - BUG: 0 [#1] PREEMPT SMP [ 118.772661] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 118.782162] CPU: 4 PID: 761 Comm: cat Not tainted 5.10.154-cip19 #1 [ 118.788446] Hardware name: ARM Juno development board (r0) (DT) [ 118.794385] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 118.800417] pc : lkdtm_BUG+0x8/0x10 [ 118.803919] lr : lkdtm_do_action+0x24/0x40 [ 118.808027] sp : ffff80001492bd10 [ 118.811351] x29: ffff80001492bd10 x28: ffff000800bfe200 [ 118.816693] x27: 0000000000000000 x26: 0000000000000000 [ 118.822034] x25: ffff8000114f1958 x24: ffff80001492be20 [ 118.827375] x23: 0000000000000004 x22: ffff000804c6e000 [ 118.832716] x21: ffff800011a07c70 x20: ffff8000114f1968 [ 118.838056] x19: 0000000000000001 x18: ffff800012ab7730 [ 118.843396] x17: 0000000000000000 x16: 0000000000000000 [ 118.848736] x15: 0000000000000028 x14: 0000000000044c20 [ 118.854077] x13: ffff8000129d0b10 x12: 00000000bdf92d27 [ 118.859417] x11: ffff000800bfea80 x10: ffff8000125e82d0 [ 118.864757] x9 : ffff800010a109f4 x8 : ffff8000125902d0 [ 118.870098] x7 : ffff8000125e82d0 x6 : ffff800012561000 [ 118.875438] x5 : ffff800012561c88 x4 : ffff00097ef90c50 [ 118.880778] x3 : 0000000000000000 x2 : 0000000000000000 [ 118.886118] x1 : ffff000800bfe200 x0 : ffff800010a110a0 [ 118.891458] Call trace: [ 118.893916] lkdtm_BUG+0x8/0x10 [ 118.897070] direct_entry+0xd0/0x140 [ 118.900659] full_proxy_write+0x68/0xbc [ 118.904510] vfs_write+0xec/0x20c [ 118.907837] ksys_write+0x70/0x100 [ 118.911252] __arm64_sys_write+0x24/0x30 [ 118.915193] el0_svc_common.constprop.0+0x84/0x1e0 [ 118.920000] do_el0_svc+0x2c/0x94 [ 118.923329] el0_svc+0x20/0x30 [ 118.926395] el0_sync_handler+0xb0/0xb4 [ 118.930244] el0_sync+0x180/0x1c0 [ 118.933577] Code: d503201f d503201f aa1e03e9 d503201f (d4210000) [ 118.939694] ---[ end trace bed7bdf0de25c30b ]--- [ 118.944328] note: cat[761] exited with preempt_count 1 [ 118.949483] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 118.958381] in_atomic(): 0, irqs_disabled(): 128, non_block: 0, pid: 761, name: cat [ 118.966058] INFO: lockdep is turned off. [ 118.969993] irq event stamp: 1822 [ 118.973328] hardirqs last enabled at (1821): [] console_unlock+0x530/0x694 [ 118.981880] hardirqs last disabled at (1822): [] el1_dbg+0x24/0x50 [ 118.989649] softirqs last enabled at (1818): [] __do_softirq+0x5b8/0x638 [ 118.998029] softirqs last disabled at (1805): [] __irq_exit_rcu+0x174/0x1a0 [ 119.006582] CPU: 4 PID: 761 Comm: cat Tainted: G D 5.10.154-cip19 #1 [ 119.014259] Hardware name: ARM Juno development board (r0) (DT) [ 119.020195] Call trace: [ 119.022653] dump_backtrace+0x0/0x1e4 [ 119.026329] show_stack+0x20/0x2c [ 119.029660] dump_stack+0xf8/0x168 [ 119.033077] ___might_sleep+0x158/0x200 [ 119.036928] __might_sleep+0x58/0x90 [ 119.040519] exit_signals+0x34/0x24c [ 119.044110] do_exit+0xd8/0xb34 [ 119.047264] die+0x22c/0x26c [ 119.050157] bug_handler+0x54/0x74 [ 119.053574] call_break_hook+0x70/0x84 [ 119.057338] brk_handler+0x24/0x6c [ 119.060756] do_debug_exception+0xd4/0x150 [ 119.064868] el1_dbg+0x34/0x50 [ 119.067936] el1_sync_handler+0x9c/0xd0 [ 119.071786] el1_sync+0x88/0x140 [ 119.075028] lkdtm_BUG+0x8/0x10 [ 119.078183] direct_entry+0xd0/0x140 [ 119.081773] full_proxy_write+0x68/0xbc [ 119.085624] vfs_write+0xec/0x20c [ 119.088953] ksys_write+0x70/0x100 [ 119.092369] __arm64_sys_write+0x24/0x30 [ 119.096310] el0_svc_common.constprop.0+0x84/0x1e0 [ 119.101120] do_el0_svc+0x2c/0x94 [ 119.104448] el0_svc+0x20/0x30 [ 119.107516] el0_sync_handler+0xb0/0xb4 [ 119.111366] el0_sync+0x180/0x1c0 [ 119.116216] ------------[ cut here ]------------ [ 119.120867] WARNING: CPU: 4 PID: 0 at kernel/rcu/tree.c:624 rcu_eqs_enter.constprop.0+0xe4/0x140 # Segmentation[ 119.129676] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 119.140305] CPU: 4 PID: 0 Comm: swapper/4 Tainted: G D W 5.10.154-cip19 #1 fault[ 119.148338] Hardware name: ARM Juno development board (r0) (DT) [ 119.154787] pstate: 200003c5 (nzCv DAIF -PAN -UAO -TCO BTYPE=--) [ 119.160993] pc : rcu_eqs_enter.constprop.0+0xe4/0x140 [ 119.166066] lr : rcu_idle_enter+0x24/0xe0 [ 119.170088] sp : ffff800013623e90 [ 119.173416] x29: ffff800013623e90 x28: 0000000000000000 [ 119.178762] x27: 0000000000000000 x26: 0000000000000000 [ 119.184110] x25: 0000000000000000 x24: 0000001bbbe0de28 [ 119.189453] x23: 0000000000000000 x22: ffff000806bfc080 [ 119.194796] x21: ffff00097efa4140 x20: ffff800011dd2380 # [ [ 119.200143] x19: ffff00097efa6380 x18: 0000000000000000 [ 119.205809] x17: 0000000000000000 x16: 0000000000000000 118.752117] lkdtm: Performin[ 119.211150] x15: 0000000000000001 x14: 0000000000000002 [ 119.218984] x13: 0000000000000003 x12: 0000000000000040 [ 119.224324] x11: ffff000800400000 x10: 0000000000001440 g direct entry BUG[ 119.229666] x9 : ffff800010e4eb70 x8 : ffff0008002e45a0 [ 119.236543] x7 : ffff80001255b000 x6 : 00000001a52742e8 # [ 118.756936] ------------[ cu[ 119.242053] x5 : 00ffffffffffffff x4 : 0000000000000015 t here ]------------[ 119.250262] x3 : 0000000004244a9c x2 : 0000000000000004 [ 119.257314] x1 : 4000000000000002 x0 : 4000000000000000 [ 119.262800] Call trace: # [ 118.761601] kernel BUG at dr[ 119.265262] rcu_eqs_enter.constprop.0+0xe4/0x140 ivers/misc/lkdtm/bugs.c:76![ 119.272832] rcu_idle_enter+0x24/0xe0 [ 119.278840] cpuidle_enter_state+0x22c/0x31c [ 119.283277] cpuidle_enter+0x40/0x60 # [ 118.767155] Internal error: [ 119.286869] do_idle+0x240/0x2d0 Oops - BUG: 0 [#1] PREEMPT SMP [ 119.292962] cpu_startup_entry+0x2c/0x8c [ 119.299669] secondary_start_kernel+0x14c/0x190 # [ 118.772661] Modules linked i[ 119.304214] irq event stamp: 272140 n: fuse ip_tables x_tables crct1[ 119.310578] hardirqs last enabled at (272139): [] tick_nohz_idle_exit+0x78/0x1c4 0dif_ce tda998x cec drm_kms_helpe[ 119.322416] hardirqs last disabled at (272140): [] __schedule+0x678/0x990 r drm smsc # [ 118.782162] CPU:[ 119.333644] softirqs last enabled at (272136): [] _local_bh_enable+0x2c/0x50 4 PID: 761 Comm: cat Not tainte[ 119.345222] softirqs last disabled at (272135): [] irq_enter_rcu+0x7c/0xa0 d 5.10.154-cip19 #1 [ 119.356446] ---[ end trace bed7bdf0de25c30c ]--- # [ 118.788446] Hardware name: ARM Juno development board (r0) (DT) # [ 118.794385] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 118.800417] pc : lkdtm_BUG+0x8/0x10 # [ 118.803919] lr : lkdtm_do_action+0x24/0x40 # [ 118.808027] sp : ffff80001492bd10 # [ 118.811351] x29: ffff80001492bd10 x28: ffff000800bfe200 # [ 118.816693] x27: 0000000000000000 x26: 0000000000000000 # [ 118.822034] x25: ffff8000114f1958 x24: ffff80001492be20 # [ 118.827375] x23: 0000000000000004 x22: ffff000804c6e000 # [ 118.832716] x21: ffff800011a07c70 x20: ffff8000114f1968 # [ 118.838056] x19: 0000000000000001 x18: ffff800012ab7730 # [ 118.843396] x17: 0000000000000000 x16: 0000000000000000 # [ 118.848736] x15: 0000000000000028 x14: 0000000000044c20 # [ 118.854077] x13: ffff8000129d0b10 x12: 00000000bdf92d27 # [ 118.859417] x11: ffff000800bfea80 x10: ffff8000125e82d0 # [ 118.864757] x9 : ffff800010a109f4 x8 : ffff8000125902d0 # [ 118.870098] x7 : ffff8000125e82d0 x6 : ffff800012561000 # [ 118.875438] x5 : ffff800012561c88 x4 : ffff00097ef90c50 # [ 118.880778] x3 : 0000000000000000 x2 : 0000000000000000 # [ 118.886118] x1 : ffff000800bfe200 x0 : ffff800010a110a0 # [ 118.891458] Call trace: # [ 118.893916] lkdtm_BUG+0x8/0x10 # [ 118.897070] direct_entry+0xd0/0x140 # [ 118.900659] full_proxy_write+0x68/0xbc # [ 118.904510] vfs_write+0xec/0x20c # [ 118.907837] ksys_write+0x70/0x100 # [ 118.911252] __arm64_sys_write+0x24/0x30 # [ 118.915193] el0_svc_common.constprop.0+0x84/0x1e0 # [ 118.920000] do_el0_svc+0x2c/0x94 # [ 118.923329] el0_svc+0x20/0x30 # [ 118.926395] el0_sync_handler+0xb0/0xb4 # [ 118.930244] el0_sync+0x180/0x1c0 # [ 118.933577] Code: d503201f d503201f aa1e03e9 d503201f (d4210000) # [ 118.939694] ---[ end trace bed7bdf0de25c30b ]--- # [ 118.944328] note: cat[761] exited with preempt_count 1 # [ 118.949483] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 118.958381] in_atomic(): 0, irqs_disabled(): 128, non_block: 0, pid: 761, name: cat # [ 118.966058] INFO: lockdep is turned off. # [ 118.969993] irq event stamp: 1822 # [ 118.973328] hardirqs last enabled at (1821): [] console_unlock+0x530/0x694 # [ 118.981880] hardirqs last disabled at (1822): [] el1_dbg+0x24/0x50 # [ 118.989649] softirqs last enabled at (1818): [] __do_softirq+0x5b8/0x638 # [ 118.998029] softirqs last disabled at (1805): [] __irq_exit_rcu+0x174/0x1a0 # [ 119.006582] CPU: 4 PID: 761 Comm: cat Tainted: G D 5.10.154-cip19 #1 # [ 119.014259] Hardware name: ARM Juno development board (r0) (DT) # [ 119.020195] Call trace: # [ 119.022653] dump_backtrace+0x0/0x1e4 # [ 119.026329] show_stack+0x20/0x2c # [ 119.029660] dump_stack+0xf8/0x168 # [ 119.033077] ___might_sleep+0x158/0x200 # [ 119.036928] __might_sleep+0x58/0x90 # [ 119.040519] exi[ 119.621651] lkdtm: Performing direct entry WARNING t_signals+0x34/0x24c # [ 119.0[ 119.629399] ------------[ cut here ]------------ [ 119.636636] WARNING: CPU: 0 PID: 799 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x28/0x34 [ 119.645096] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 119.654600] CPU: 0 PID: 799 Comm: cat Tainted: G D W 5.10.154-cip19 #1 [ 119.662276] Hardware name: ARM Juno development board (r0) (DT) [ 119.668216] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 119.674241] pc : lkdtm_WARNING+0x28/0x34 [ 119.678178] lr : lkdtm_do_action+0x24/0x40 [ 119.682285] sp : ffff8000149d3d10 [ 119.685610] x29: ffff8000149d3d10 x28: ffff000803edc980 [ 119.690950] x27: 0000000000000000 x26: 0000000000000000 [ 119.696291] x25: ffff8000114f1958 x24: ffff8000149d3e20 [ 119.701631] x23: 0000000000000008 x22: ffff000803f1d000 [ 119.706972] x21: ffff800011a07c78 x20: ffff8000114f1978 [ 119.712312] x19: 0000000000000002 x18: 0000000000000000 [ 119.717652] x17: 0000000000000000 x16: 0000000000000000 [ 119.722992] x15: 0000000000000030 x14: ffffffffffffffff [ 119.728333] x13: ffff8000949d3a07 x12: ffff8000149d3a0f [ 119.733673] x11: 0000000000000038 x10: 0000000000001440 [ 119.739014] x9 : ffff800010a109f4 x8 : ffff000803edde20 [ 119.744354] x7 : 0000000000000000 x6 : ffff800012561000 [ 119.749694] x5 : ffff800012561c88 x4 : ffff00097ef08c50 [ 119.755034] x3 : 0000000000000000 x2 : 0000000000000000 [ 119.760374] x1 : ffff80001349e000 x0 : 0000000000000001 [ 119.765714] Call trace: [ 119.768172] lkdtm_WARNING+0x28/0x34 [ 119.771761] direct_entry+0xd0/0x140 [ 119.775351] full_proxy_write+0x68/0xbc [ 119.779202] vfs_write+0xec/0x20c [ 119.782530] ksys_write+0x70/0x100 [ 119.785944] __arm64_sys_write+0x24/0x30 [ 119.789885] el0_svc_common.constprop.0+0x84/0x1e0 [ 119.794693] do_el0_svc+0x2c/0x94 [ 119.798022] el0_svc+0x20/0x30 [ 119.801087] el0_sync_handler+0xb0/0xb4 [ 119.804937] el0_sync+0x180/0x1c0 [ 119.808262] irq event stamp: 0 [ 119.811331] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 119.817623] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 [ 119.825827] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 [ 119.834027] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 119.840311] ---[ end trace bed7bdf0de25c30d ]--- 44110] do_exit+0xd8/0xb34 # [ 119.047264] die+0x22c/0x26c # [ 119.050157] bug_handler+0x54/0x74 # [ 119.053574] call_break_hook+0x70/0x84 # [ 119.057338] brk_handler+0x24/0x6c # [ 119.060756] do_debug_exception+0xd4/0x150 # [ 119.064868] el1_dbg+0x34/0x50 # [ 119.067936] el1_sync_handler+0x9c/0xd0 # [ 119.071786] el1_sync+0x88/0x140 # [ 119.075028] lkdtm_BUG+0x8/0x10 # [ 119.078183] direct_entry+0xd0/0x140 # [ 119.081773] full_proxy_write+0x68/0xbc # [ 119.085624] vfs_write+0xec/0x20c # [ 119.088953] ksys_write+0x70/0x100 # [ 119.092369] __arm64_sys_write+0x24/0x30 # [ 119.096310] el0_svc_common.constprop.0+0x84/0x1e0 # [ 119.101120] do_el0_svc+0x2c/0x94 # [ 119.104448] el0_svc+0x20/0x30 # [ 119.107516] el0_sync_handler+0xb0/0xb4 # [ 119.111366] el0_sync+0x180/0x1c0 # [ 119.116216] ------------[ cut here ]------------ # [ 119.120867] WARNING: CPU: 4 PID: 0 at kernel/rcu/tree.c:624 rcu_eqs_enter.constprop.0+0xe4/0x140 # [ 119.129676] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 119.140305] CPU: 4 PID: 0 Comm: swapper/4 Tainted: G D W 5.10.154-cip19 #1 # [ 119.148338] Hardware name: ARM Juno development board (r0) (DT) # BUG: saw 'kernel BUG at': ok ok 2 selftests: lkdtm: BUG.sh # selftests: lkdtm: WARNING.sh # [ 119.621651] lkdtm: Performing direct entry WARNING # [ 119.629399] ------------[ cut here ]------------ # [ 119.636636] WARNING: CPU: 0 PID: 799 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x28/0x34 # [ 119.645096] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 119.654600] CPU: 0 PID: 799 Comm: cat Tainted: G D W 5.10.154-cip19 #1 # [ 119.662276] Hardware name: ARM Juno development board (r0) (DT) # [ 119.668216] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 119.674241] pc : lkdtm_WARNING+0x28/0x34 # [ 119.678178] lr : lkdtm_do_action+0x24/0x40 # [ 119.682285] sp : ffff8000149d3d10 # [ 119.685610] x29: ffff8000149d3d10 x28: ffff000803edc980 # [ 119.690950] x27: 0000000000000000 x26: 0000000000000000 # [ 119.696291] x25: ffff8000114f1958 x24: ffff8000149d3e20 # [ 119.701631] x23: 0000000000000008 x22: ffff000803f1d000 # [ 119.706972] x21: ffff800011a07c78 x20: ffff8000114f1978 # [ 119.712312] x19: 0000000000000002 x18: 0000000000000000 # [ 119.717652] x17: 0000000000000000 x16: 0000000000000000 # [ 119.722992] x15: 0000000000000030 x14: ffffffffffffffff # [ 119.728333] x13: ffff8000949d3a07 x12: ffff8000149d3a0f # [ 119.733673] x11: 0000000000000038 x10: 0000000000001440 # [ 119.739014] x9 : ffff800010a109f4 x8 : ffff000803edde20 # [ 119.744354] x7 : 0000000000000000 x6 : ffff800012561000 # [ 119.749694] x5 : ffff800012561c88 x4 : ffff00097ef08c50 # [ 119.755034] x3 : 0000000000000000 x2 : 0000000000000000 # [ 119.760374] x1 : ffff80001349e000 x0 : 0000000000000001 # [ 119.765714] Call trace: # [ 119.768172] lkdtm_WARNING+0x28/0x34 # [ 119.771761] direct_entry+0xd0/0x140 # [ 119.775351] full_proxy_write+0x68/0xbc # [ 119.779202] vfs_write+0xec/0x20c # [ 119.782530] ksys_write+0x70/0x100 # [ 119.785944] __arm64_sys_write+0x24/0x30 # [ 119.789885] el0_svc_common.constprop.0+0x84/0x1e0 # [ 119.794693] do_el0_svc+0x2c/0x94 # [ 119.798022] el0_svc+0x20/0x30 # [ 119.801087] el0_sync_handler+0xb0/0xb4 # [ 119.804937] el0_sync+0x180/0x1c0 # [ 119.808262] irq event stamp: 0 # [ 119.811331] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 119.817623] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 # [ 119.825827] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 # [ 119.834027] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 119.840311] ---[ end trace bed7bdf0de25c30d ]--- # WARNING: saw 'WARNING:': ok ok 3 selftests: lkdtm: WARNING.sh # selftests: lkdtm: WARNING_MESSAGE.sh [ 120.263872] lkdtm: Performing direct entry WARNING_MESSAGE [ 120.269437] ------------[ cut here ]------------ [ 120.274189] Warning message trigger count: 2 [ 120.278544] WARNING: CPU: 2 PID: 834 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x30/0x40 [ 120.287695] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 120.297170] CPU: 2 PID: 834 Comm: cat Tainted: G D W 5.10.154-cip19 #1 [ 120.304841] Hardware name: ARM Juno development board (r0) (DT) [ 120.310776] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 120.316795] pc : lkdtm_WARNING_MESSAGE+0x30/0x40 [ 120.321422] lr : lkdtm_WARNING_MESSAGE+0x30/0x40 [ 120.326047] sp : ffff800014a5bd00 [ 120.329367] x29: ffff800014a5bd00 x28: ffff000807170000 [ 120.334701] x27: 0000000000000000 x26: 0000000000000000 [ 120.340034] x25: ffff8000114f1958 x24: ffff800014a5be20 [ 120.345365] x23: 0000000000000010 x22: ffff000807ac2000 [ 120.350697] x21: ffff800011a07c80 x20: ffff8000114f1988 [ 120.356028] x19: 0000000000000003 x18: 0000000000000000 [ 120.361360] x17: 0000000000000000 x16: 0000000000000000 [ 120.366691] x15: 0000000000000030 x14: ffffffffffffffff [ 120.372022] x13: ffff800094a5b9a7 x12: ffff800014a5b9af [ 120.377353] x11: 0000000000000038 x10: ffff8000125e82d0 [ 120.382684] x9 : ffff80001012dcf4 x8 : ffff8000125902d0 [ 120.388015] x7 : ffff8000125e82d0 x6 : ffff800012561000 [ 120.393347] x5 : ffff800012561c88 x4 : ffff00097ef4cc50 [ 120.398678] x3 : 0000000000000000 x2 : 0000000000000000 [ 120.404009] x1 : 0000000000000000 x0 : ffff000807170000 [ 120.409340] Call trace: [ 120.411793] lkdtm_WARNING_MESSAGE+0x30/0x40 [ 120.416072] lkdtm_do_action+0x24/0x40 [ 120.419829] direct_entry+0xd0/0x140 [ 120.423413] full_proxy_write+0x68/0xbc [ 120.427259] vfs_write+0xec/0x20c [ 120.430580] ksys_write+0x70/0x100 [ 120.433989] __arm64_sys_write+0x24/0x30 [ 120.437923] el0_svc_common.constprop.0+0x84/0x1e0 [ 120.442725] do_el0_svc+0x2c/0x94 [ 120.446048] el0_svc+0x20/0x30 [ 120.449108] el0_sync_handler+0xb0/0xb4 [ 120.452952] el0_sync+0x180/0x1c0 [ 120.456272] irq event stamp: 0 [ 120.459334] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 120.465619] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 [ 120.473816] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 [ 120.482010] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 120.488289] ---[ end trace bed7bdf0de25c30e ]--- # [ 120.263872] lkdtm: Performing direct entry WARNING_MESSAGE # [ 120.269437] ------------[ cut here ]------------ # [ 120.274189] Warning message trigger count: 2 # [ 120.278544] WARNING: CPU: 2 PID: 834 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x30/0x40 # [ 120.287695] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 120.297170] CPU: 2 PID: 834 Comm: cat Tainted: G D W 5.10.154-cip19 #1 # [ 120.304841] Hardware name: ARM Juno development board (r0) (DT) # [ 120.310776] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 120.316795] pc : lkdtm_WARNING_MESSAGE+0x30/0x40 # [ 120.321422] lr : lkdtm_WARNING_MESSAGE+0x30/0x40 # [ 120.326047] sp : ffff800014a5bd00 # [ 120.329367] x29: ffff800014a5bd00 x28: ffff000807170000 # [ 120.334701] x27: 0000000000000000 x26: 0000000000000000 # [ 120.340034] x25: ffff8000114f1958 x24: ffff800014a5be20 # [ 120.345365] x23: 0000000000000010 x22: ffff000807ac2000 # [ 120.350697] x21: ffff800011a07c80 x20: ffff8000114f1988 # [ 120.356028] x19: 0000000000000003 x18: 0000000000000000 # [ 120.361360] x17: 0000000000000000 x16: 0000000000000000 # [ 120.366691] x15: 0000000000000030 x14: ffffffffffffffff # [ 120.372022] x13: ffff800094a5b9a7 x12: ffff800014a5b9af # [ 120.377353] x11: 0000000000000038 x10: ffff8000125e82d0 # [ 120.382684] x9 : ffff80001012dcf4 x8 : ffff8000125902d0 # [ 120.388015] x7 : ffff8000125e82d0 x6 : ffff800012561000 # [ 120.393347] x5 : ffff800012561c88 x4 : ffff00097ef4cc50 # [ 120.398678] x3 : 0000000000000000 x2 : 0000000000000000 # [ 120.404009] x1 : 0000000000000000 x0 : ffff000807170000 # [ 120.409340] Call trace: # [ 120.411793] lkdtm_WARNING_MESSAGE+0x30/0x40 # [ 120.416072] lkdtm_do_action+0x24/0x40 # [ 120.419829] direct_entry+0xd0/0x140 # [ 120.423413] full_proxy_write+0x68/0xbc # [ 120.427259] vfs_write+0xec/0x20c # [ 120.430580] ksys_write+0x70/0x100 # [ 120.433989] __arm64_sys_write+0x24/0x30 # [ 120.437923] el0_svc_common.constprop.0+0x84/0x1e0 # [ 120.442725] do_el0_svc+0x2c/0x94 # [ 120.446048] el0_svc+0x20/0x30 # [ 120.449108] el0_sync_handler+0xb0/0xb4 # [ 120.452952] el0_sync+0x180/0x1c0 # [ 120.456272] irq event stamp: 0 # [ 120.459334] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 120.465619] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 # [ 120.473816] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 # [ 120.482010] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 120.488289] ---[ end trace bed7bdf0de25c30e ]--- # WARNING_MESSAGE: saw 'message trigger': ok ok 4 selftests: lkdtm: WARNING_MESSAGE.sh # selftests: lkdtm: EXCEPTION.sh [ 120.892187] lkdtm: Performing direct entry EXCEPTION [ 120.897269] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000 [ 120.906212] Mem abort info: [ 120.909288] ESR = 0x96000044 [ 120.912362] EC = 0x25: DABT (current EL), IL = 32 bits [ 120.917728] SET = 0, FnV = 0 [ 120.920810] EA = 0, S1PTW = 0 [ 120.923965] Data abort info: [ 120.926870] ISV = 0, ISS = 0x00000044 [ 120.930732] CM = 0, WnR = 1 [ 120.933730] user pgtable: 4k pages, 48-bit VAs, pgdp=00000008879f0000 [ 120.940213] [0000000000000000] pgd=0000000000000000, p4d=0000000000000000 [ 120.947065] Internal error: Oops: 96000044 [#2] PREEMPT SMP [ 120.952655] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 120.962130] CPU: 2 PID: 866 Comm: cat Tainted: G D W 5.10.154-cip19 #1 [ 120.969808] Hardware name: ARM Juno development board (r0) (DT) [ 120.975746] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 120.981771] pc : lkdtm_EXCEPTION+0x14/0x1c [ 120.985883] lr : lkdtm_do_action+0x24/0x40 [ 120.989986] sp : ffff800014adbd10 [ 120.993305] x29: ffff800014adbd10 x28: ffff000802834980 [ 120.998645] x27: 0000000000000000 x26: 0000000000000000 [ 121.003977] x25: ffff8000114f1958 x24: ffff800014adbe20 [ 121.009309] x23: 000000000000000a x22: ffff000806355000 [ 121.014639] x21: ffff800011a07c90 x20: ffff8000114f1998 [ 121.019970] x19: 0000000000000004 x18: 0000000000000000 [ 121.025301] x17: 0000000000000000 x16: 0000000000000000 [ 121.030631] x15: 0000000000000030 x14: ffffffffffffffff [ 121.035962] x13: ffff800094adba07 x12: ffff800014adba0f [ 121.041293] x11: 0000000000000008 x10: ffff8000125e82d0 [ 121.046624] x9 : ffff800010a109f4 x8 : ffff8000125902d0 [ 121.051955] x7 : ffff8000125e82d0 x6 : ffff800012561000 [ 121.057286] x5 : ffff800012561c88 x4 : ffff00097ef08c50 [ 121.062616] x3 : 0000000000000000 x2 : 0000000000000000 [ 121.067947] x1 : ffff000802834980 x0 : 0000000000000000 [ 121.073277] Call trace: [ 121.075730] lkdtm_EXCEPTION+0x14/0x1c [ 121.079487] direct_entry+0xd0/0x140 [ 121.083071] full_proxy_write+0x68/0xbc [ 121.086917] vfs_write+0xec/0x20c [ 121.090238] ksys_write+0x70/0x100 [ 121.093647] __arm64_sys_write+0x24/0x30 [ 121.097582] el0_svc_common.constprop.0+0x84/0x1e0 [ 121.102383] do_el0_svc+0x2c/0x94 [ 121.105705] el0_svc+0x20/0x30 [ 121.108765] el0_sync_handler+0xb0/0xb4 [ 121.112610] el0_sync+0x180/0x1c0 [ 121.115935] Code: d503201f d2800000 d503233f d50323bf (b900001f) [ 121.122044] ---[ end trace bed7bdf0de25c30f ]--- # Segmentation fault # [ 120.892187] lkdtm: Performing direct entry EXCEPTION # [ 120.897269] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000 # [ 120.906212] Mem abort info: # [ 120.909288] ESR = 0x96000044 # [ 120.912362] EC = 0x25: DABT (current EL), IL = 32 bits # [ 120.917728] SET = 0, FnV = 0 # [ 120.920810] EA = 0, S1PTW = 0 # [ 120.923965] Data abort info: # [ 120.926870] ISV = 0, ISS = 0x00000044 # [ 120.930732] CM = 0, WnR = 1 # [ 120.933730] user pgtable: 4k pages, 48-bit VAs, pgdp=00000008879f0000 # [ 120.940213] [0000000000000000] pgd=0000000000000000, p4d=0000000000000000 # [ 120.947065] Internal error: Oops: 96000044 [#2] PREEMPT SMP # [ 120.952655] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 120.962130] CPU: 2 PID: 866 Comm: cat Tainted: G D W 5.10.154-cip19 #1 # [ 120.969808] Hardware name: ARM Juno development board (r0) (DT) # [ 120.975746] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 120.981771] pc : lkdtm_EXCEPTION+0x14/0x1c # [ 120.985883] lr : lkdtm_do_action+0x24/0x40 # [ 120.989986] sp : ffff800014adbd10 # [ 120.993305] x29: ffff800014adbd10 x28: ffff000802834980 # [ 120.998645] x27: 0000000000000000 x26: 0000000000000000 # [ 121.003977] x25: ffff8000114f1958 x24: ffff800014adbe20 # [ 121.009309] x23: 000000000000000a x22: ffff000806355000 # [ 121.014639] x21: ffff800011a07c90 x20: ffff8000114f1998 # [ 121.019970] x19: 0000000000000004 x18: 0000000000000000 # [ 121.025301] x17: 0000000000000000 x16: 0000000000000000 # [ 121.030631] x15: 0000000000000030 x14: ffffffffffffffff # [ 121.035962] x13: ffff800094adba07 x12: ffff800014adba0f # [ 121.041293] x11: 0000000000000008 x10: ffff8000125e82d0 # [ 121.046624] x9 : ffff800010a109f4 x8 : ffff8000125902d0 # [ 121.051955] x7 : ffff8000125e82d0 x6 : ffff800012561000 # [ 121.057286] x5 : ffff800012561c88 x4 : ffff00097ef08c50 # [ 121.062616] x3 : 0000000000000000 x2 : 0000000000000000 # [ 121.067947] x1 : ffff000802834980 x0 : 0000000000000000 # [ 121.073277] Call trace: # [ 121.075730] lkdtm_EXCEPTION+0x14/0x1c # [ 121.079487] direct_entry+0xd0/0x140 # [ 121.083071] full_proxy_write+0x68/0xbc # [ 121.086917] vfs_write+0xec/0x20c # [ 121.090238] ksys_write+0x70/0x100 # [ 121.093647] __arm64_sys_write+0x24/0x30 # [ 121.097582] el0_svc_common.constprop.0+0x84/0x1e0 # [ 121.102383] do_el0_svc+0x2c/0x94 # [ 121.105705] el0_svc+0x20/0x30 # [ 121.108765] el0_sync_handler+0xb0/0xb4 # [ 121.112610] el0_sync+0x180/0x1c0 # [ 121.115935] Code: d503201f d2800000 d503233f d50323bf (b900001f) # [ 121.122044] ---[ end trace bed7bdf0de25c30f ]--- # 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 [ 122.442231] lkdtm: Performing direct entry CORRUPT_LIST_ADD [ 122.447887] lkdtm: attempting good list addition [ 122.452582] lkdtm: attempting corrupted list addition [ 122.457702] lkdtm: list_add() corruption not detected! # [ 122.442231] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 122.447887] lkdtm: attempting good list addition # [ 122.452582] lkdtm: attempting corrupted list addition # [ 122.457702] 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 [ 122.867500] lkdtm: Performing direct entry CORRUPT_LIST_DEL [ 122.873242] lkdtm: attempting good list removal [ 122.877876] lkdtm: attempting corrupted list removal [ 122.882933] lkdtm: list_del() corruption not detected! # [ 122.867500] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 122.873242] lkdtm: attempting good list removal # [ 122.877876] lkdtm: attempting corrupted list removal # [ 122.882933] 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 [ 123.272058] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING [ 123.278414] lkdtm: attempting bad read from page below current stack [ 123.284969] Unable to handle kernel paging request at virtual address ffff800014ee7fff [ 123.292987] Mem abort info: [ 123.295899] ESR = 0x96000007 [ 123.299014] EC = 0x25: DABT (current EL), IL = 32 bits [ 123.304383] SET = 0, FnV = 0 [ 123.307471] EA = 0, S1PTW = 0 [ 123.310640] Data abort info: [ 123.313550] ISV = 0, ISS = 0x00000007 [ 123.317414] CM = 0, WnR = 0 [ 123.320401] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081dc3000 [ 123.327136] [ffff800014ee7fff] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=0000000884228003, pte=0000000000000000 [ 123.339753] Internal error: Oops: 96000007 [#3] PREEMPT SMP [ 123.345338] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 123.354812] CPU: 2 PID: 1101 Comm: cat Tainted: G D W 5.10.154-cip19 #1 [ 123.362571] Hardware name: ARM Juno development board (r0) (DT) [ 123.368507] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 123.374537] pc : lkdtm_STACK_GUARD_PAGE_LEADING+0x34/0x58 [ 123.379949] lr : lkdtm_STACK_GUARD_PAGE_LEADING+0x2c/0x58 [ 123.385357] sp : ffff800014eebce0 [ 123.388677] x29: ffff800014eebce0 x28: ffff000803ede200 [ 123.394011] x27: 0000000000000000 x26: 0000000000000000 [ 123.399343] x25: ffff8000114f1958 x24: ffff800014eebe20 [ 123.404674] x23: 0000000000000019 x22: ffff0008071da000 [ 123.410005] x21: ffff800011a07d10 x20: ffff8000114f1a08 [ 123.415336] x19: ffff800014ee8000 x18: 0000000000000000 [ 123.420666] x17: 0000000000000000 x16: 0000000000000000 [ 123.425997] x15: 0000000000000030 x14: ffffffffffffffff [ 123.431328] x13: ffff800094eeb9c7 x12: ffff800014eeb9cf [ 123.436659] x11: 0000000000000000 x10: 0000000000001440 [ 123.441989] x9 : ffff80001012dcf4 x8 : ffff000803edf6a0 [ 123.447320] x7 : 0000000000000000 x6 : ffff800012561000 [ 123.452650] x5 : ffff800012561c88 x4 : ffff00097ef6ec50 [ 123.457981] x3 : 0000000000000000 x2 : 0000000000000000 [ 123.463312] x1 : ffff000803ede200 x0 : ffff800011a087d0 [ 123.468644] Call trace: [ 123.471096] lkdtm_STACK_GUARD_PAGE_LEADING+0x34/0x58 [ 123.476161] lkdtm_do_action+0x24/0x40 [ 123.479918] direct_entry+0xd0/0x140 [ 123.483503] full_proxy_write+0x68/0xbc [ 123.487348] vfs_write+0xec/0x20c [ 123.490669] ksys_write+0x70/0x100 [ 123.494078] __arm64_sys_write+0x24/0x30 [ 123.498012] el0_svc_common.constprop.0+0x84/0x1e0 [ 123.502813] do_el0_svc+0x2c/0x94 [ 123.506134] el0_svc+0x20/0x30 [ 123.509194] el0_sync_handler+0xb0/0xb4 [ 123.513038] el0_sync+0x180/0x1c0 [ 123.516364] Code: 911e4000 97ffe071 d0003de0 911f4000 (385ff261) [ 123.522472] ---[ end trace bed7bdf0de25c310 ]--- # Segmentation fault # [ 123.272058] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 123.278414] lkdtm: attempting bad read from page below current stack # [ 123.284969] Unable to handle kernel paging request at virtual address ffff800014ee7fff # [ 123.292987] Mem abort info: # [ 123.295899] ESR = 0x96000007 # [ 123.299014] EC = 0x25: DABT (current EL), IL = 32 bits # [ 123.304383] SET = 0, FnV = 0 # [ 123.307471] EA = 0, S1PTW = 0 # [ 123.310640] Data abort info: # [ 123.313550] ISV = 0, ISS = 0x00000007 # [ 123.317414] CM = 0, WnR = 0 # [ 123.320401] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081dc3000 # [ 123.327136] [ffff800014ee7fff] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=0000000884228003, pte=0000000000000000 # [ 123.339753] Internal error: Oops: 96000007 [#3] PREEMPT SMP # [ 123.345338] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 123.354812] CPU: 2 PID: 1101 Comm: cat Tainted: G D W 5.10.154-cip19 #1 # [ 123.362571] Hardware name: ARM Juno development board (r0) (DT) # [ 123.368507] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 123.374537] pc : lkdtm_STACK_GUARD_PAGE_LEADING+0x34/0x58 # [ 123.379949] lr : lkdtm_STACK_GUARD_PAGE_LEADING+0x2c/0x58 # [ 123.385357] sp : ffff800014eebce0 # [ 123.388677] x29: ffff800014eebce0 x28: ffff000803ede200 # [ 123.394011] x27: 0000000000000000 x26: 0000000000000000 # [ 123.399343] x25: ffff8000114f1958 x24: ffff800014eebe20 # [ 123.404674] x23: 0000000000000019 x22: ffff0008071da000 # [ 123.410005] x21: ffff800011a07d10 x20: ffff8000114f1a08 # [ 123.415336] x19: ffff800014ee8000 x18: 0000000000000000 # [ 123.420666] x17: 0000000000000000 x16: 0000000000000000 # [ 123.425997] x15: 0000000000000030 x14: ffffffffffffffff # [ 123.431328] x13: ffff800094eeb9c7 x12: ffff800014eeb9cf # [ 123.436659] x11: 0000000000000000 x10: 0000000000001440 # [ 123.441989] x9 : ffff80001012dcf4 x8 : ffff000803edf6a0 # [ 123.447320] x7 : 0000000000000000 x6 : ffff800012561000 # [ 123.452650] x5 : ffff800012561c88 x4 : ffff00097ef6ec50 # [ 123.457981] x3 : 0000000000000000 x2 : 0000000000000000 # [ 123.463312] x1 : ffff000803ede200 x0 : ffff800011a087d0 # [ 123.468644] Call trace: # [ 123.471096] lkdtm_STACK_GUARD_PAGE_LEADING+0x34/0x58 # [ 123.476161] lkdtm_do_action+0x24/0x40 # [ 123.479918] direct_entry+0xd0/0x140 # [ 123.483503] full_proxy_write+0x68/0xbc # [ 123.487348] vfs_write+0xec/0x20c # [ 123.490669] ksys_write+0x70/0x100 # [ 123.494078] __arm64_sys_write+0x24/0x30 # [ 123.498012] el0_svc_common.constprop.0+0x84/0x1e0 # [ 123.502813] do_el0_svc+0x2c/0x94 # [ 123.506134] el0_svc+0x20/0x30 # [ 123.509194] el0_sync_handler+0xb0/0xb4 # [ 123.513038] el0_sync+0x180/0x1c0 # [ 123.516364] Code: 911e4000 97ffe071 d0003de0 911f4000 (385ff261) # [ 123.522472] ---[ end trace bed7bdf0de25c310 ]--- # STACK_GUARD_PAGE_LEADING: saw 'call trace:': ok ok 12 selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh # selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh [ 123.925065] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING [ 123.931508] lkdtm: attempting bad read from page above current stack [ 123.937963] Unable to handle kernel paging request at virtual address ffff800014fb4000 [ 123.946034] Mem abort info: [ 123.949104] ESR = 0x96000007 [ 123.952178] EC = 0x25: DABT (current EL), IL = 32 bits [ 123.957546] SET = 0, FnV = 0 [ 123.960613] EA = 0, S1PTW = 0 [ 123.963781] Data abort info: [ 123.966691] ISV = 0, ISS = 0x00000007 [ 123.970553] CM = 0, WnR = 0 [ 123.973555] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081dc3000 [ 123.980299] [ffff800014fb4000] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=0000000884228003, pte=0000000000000000 [ 123.992923] Internal error: Oops: 96000007 [#4] PREEMPT SMP [ 123.998513] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 124.007990] CPU: 2 PID: 1146 Comm: cat Tainted: G D W 5.10.154-cip19 #1 [ 124.015749] Hardware name: ARM Juno development board (r0) (DT) [ 124.021686] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 124.027716] pc : lkdtm_STACK_GUARD_PAGE_TRAILING+0x38/0x5c [ 124.033213] lr : lkdtm_STACK_GUARD_PAGE_TRAILING+0x2c/0x5c [ 124.038708] sp : ffff800014fb3ce0 [ 124.042030] x29: ffff800014fb3ce0 x28: ffff000800bfc980 [ 124.047368] x27: 0000000000000000 x26: 0000000000000000 [ 124.052699] x25: ffff8000114f1958 x24: ffff800014fb3e20 [ 124.058031] x23: 000000000000001a x22: ffff000802877000 [ 124.063362] x21: ffff800011a07d30 x20: ffff8000114f1a18 [ 124.068693] x19: ffff800014fb4000 x18: 0000000000000000 [ 124.074023] x17: 0000000000000000 x16: 0000000000000000 [ 124.079354] x15: 0000000000000030 x14: ffffffffffffffff [ 124.084685] x13: ffff800094fb39c7 x12: ffff800014fb39cf [ 124.090015] x11: 0000000000000008 x10: ffff8000125e82d0 [ 124.095347] x9 : ffff80001012dcf4 x8 : ffff8000125902d0 [ 124.100678] x7 : ffff8000125e82d0 x6 : ffff800012561000 [ 124.106009] x5 : ffff800012561c88 x4 : ffff00097ef90c50 [ 124.111340] x3 : 0000000000000000 x2 : 0000000000000000 [ 124.116670] x1 : ffff000800bfc980 x0 : ffff800011a08848 [ 124.122002] Call trace: [ 124.124454] lkdtm_STACK_GUARD_PAGE_TRAILING+0x38/0x5c [ 124.129606] lkdtm_do_action+0x24/0x40 [ 124.133362] direct_entry+0xd0/0x140 [ 124.136946] full_proxy_write+0x68/0xbc [ 124.140791] vfs_write+0xec/0x20c [ 124.144113] ksys_write+0x70/0x100 [ 124.147521] __arm64_sys_write+0x24/0x30 [ 124.151455] el0_svc_common.constprop.0+0x84/0x1e0 [ 124.156256] do_el0_svc+0x2c/0x94 [ 124.159577] el0_svc+0x20/0x30 [ 124.162637] el0_sync_handler+0xb0/0xb4 [ 124.166481] el0_sync+0x180/0x1c0 [ 124.169806] Code: 97ffe05b 91401273 d0003de0 91212000 (39400261) [ 124.175915] ---[ end trace bed7bdf0de25c311 ]--- # Segmentation fault # [ 123.925065] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING # [ 123.931508] lkdtm: attempting bad read from page above current stack # [ 123.937963] Unable to handle kernel paging request at virtual address ffff800014fb4000 # [ 123.946034] Mem abort info: # [ 123.949104] ESR = 0x96000007 # [ 123.952178] EC = 0x25: DABT (current EL), IL = 32 bits # [ 123.957546] SET = 0, FnV = 0 # [ 123.960613] EA = 0, S1PTW = 0 # [ 123.963781] Data abort info: # [ 123.966691] ISV = 0, ISS = 0x00000007 # [ 123.970553] CM = 0, WnR = 0 # [ 123.973555] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081dc3000 # [ 123.980299] [ffff800014fb4000] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=0000000884228003, pte=0000000000000000 # [ 123.992923] Internal error: Oops: 96000007 [#4] PREEMPT SMP # [ 123.998513] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 124.007990] CPU: 2 PID: 1146 Comm: cat Tainted: G D W 5.10.154-cip19 #1 # [ 124.015749] Hardware name: ARM Juno development board (r0) (DT) # [ 124.021686] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 124.027716] pc : lkdtm_STACK_GUARD_PAGE_TRAILING+0x38/0x5c # [ 124.033213] lr : lkdtm_STACK_GUARD_PAGE_TRAILING+0x2c/0x5c # [ 124.038708] sp : ffff800014fb3ce0 # [ 124.042030] x29: ffff800014fb3ce0 x28: ffff000800bfc980 # [ 124.047368] x27: 0000000000000000 x26: 0000000000000000 # [ 124.052699] x25: ffff8000114f1958 x24: ffff800014fb3e20 # [ 124.058031] x23: 000000000000001a x22: ffff000802877000 # [ 124.063362] x21: ffff800011a07d30 x20: ffff8000114f1a18 # [ 124.068693] x19: ffff800014fb4000 x18: 0000000000000000 # [ 124.074023] x17: 0000000000000000 x16: 0000000000000000 # [ 124.079354] x15: 0000000000000030 x14: ffffffffffffffff # [ 124.084685] x13: ffff800094fb39c7 x12: ffff800014fb39cf # [ 124.090015] x11: 0000000000000008 x10: ffff8000125e82d0 # [ 124.095347] x9 : ffff80001012dcf4 x8 : ffff8000125902d0 # [ 124.100678] x7 : ffff8000125e82d0 x6 : ffff800012561000 # [ 124.106009] x5 : ffff800012561c88 x4 : ffff00097ef90c50 # [ 124.111340] x3 : 0000000000000000 x2 : 0000000000000000 # [ 124.116670] x1 : ffff000800bfc980 x0 : ffff800011a08848 # [ 124.122002] Call trace: # [ 124.124454] lkdtm_STACK_GUARD_PAGE_TRAILING+0x38/0x5c # [ 124.129606] lkdtm_do_action+0x24/0x40 # [ 124.133362] direct_entry+0xd0/0x140 # [ 124.136946] full_proxy_write+0x68/0xbc # [ 124.140791] vfs_write+0xec/0x20c # [ 124.144113] ksys_write+0x70/0x100 # [ 124.147521] __arm64_sys_write+0x24/0x30 # [ 124.151455] el0_svc_common.constprop.0+0x84/0x1e0 # [ 124.156256] do_el0_svc+0x2c/0x94 # [ 124.159577] el0_svc+0x20/0x30 # [ 124.162637] el0_sync_handler+0xb0/0xb4 # [ 124.166481] el0_sync+0x180/0x1c0 # [ 124.169806] Code: 97ffe05b 91401273 d0003de0 91212000 (39400261) # [ 124.175915] ---[ end trace bed7bdf0de25c311 ]--- # STACK_GUARD_PAGE_TRAILING: saw 'call trace:': ok ok 13 selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # selftests: lkdtm: UNSET_SMEP.sh [ 124.601979] lkdtm: Performing direct entry UNSET_SMEP [ 124.607103] lkdtm: XFAIL: this test is x86_64-only # [ 124.601979] lkdtm: Performing direct entry UNSET_SMEP # [ 124.607103] 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 [ 125.003050] lkdtm: Performing direct entry DOUBLE_FAULT [ 125.008452] lkdtm: XFAIL: this test is ia32-only # [ 125.003050] lkdtm: Performing direct entry DOUBLE_FAULT # [ 125.008452] 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 [ 125.420034] lkdtm: Performing direct entry CORRUPT_PAC [ 125.425333] lkdtm: FAIL: CPU lacks pointer authentication feature # [ 125.420034] lkdtm: Performing direct entry CORRUPT_PAC # [ 125.425333] 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 [ 125.820765] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE [ 125.827279] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS # [ 125.820765] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # [ 125.827279] 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 [ 126.683383] lkdtm: Performing direct entry READ_AFTER_FREE [ 126.688943] lkdtm: Value in memory before free: 12345678 [ 126.694307] lkdtm: Attempting bad read from freed memory [ 126.699702] lkdtm: Memory was not poisoned # [ 126.683383] lkdtm: Performing direct entry READ_AFTER_FREE # [ 126.688943] lkdtm: Value in memory before free: 12345678 # [ 126.694307] lkdtm: Attempting bad read from freed memory # [ 126.699702] 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 [ 127.331014] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE [ 127.337153] lkdtm: Value in memory before free: 12345678 [ 127.342558] lkdtm: Attempting to read from freed memory [ 127.347854] lkdtm: Buddy page was not poisoned # [ 127.331014] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE # [ 127.337153] lkdtm: Value in memory before free: 12345678 # [ 127.342558] lkdtm: Attempting to read from freed memory # [ 127.347854] 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 [ 127.746327] lkdtm: Performing direct entry SLAB_FREE_DOUBLE [ 127.751990] lkdtm: Attempting double slab free ... # [ 127.746327] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 127.751990] 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 [ 128.157049] lkdtm: Performing direct entry SLAB_FREE_CROSS [ 128.162636] lkdtm: Attempting cross-cache slab free ... # [ 128.157049] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 128.162636] 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 [ 128.547747] lkdtm: Performing direct entry SLAB_FREE_PAGE [ 128.553244] lkdtm: Attempting non-Slab slab free ... # [ 128.547747] lkdtm: Performing direct entry SLAB_FREE_PAGE # [ 128.553244] 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 [ 129.837409] lkdtm: Performing direct entry EXEC_DATA [ 129.842449] lkdtm: attempting ok execution at ffff800010a11930 [ 129.848506] lkdtm: attempting bad execution at ffff80001349e598 [ 129.854510] Unable to handle kernel execute from non-executable memory at virtual address ffff80001349e598 [ 129.864454] Mem abort info: [ 129.867411] ESR = 0x8600000f [ 129.870503] EC = 0x21: IABT (current EL), IL = 32 bits [ 129.875853] SET = 0, FnV = 0 [ 129.878967] EA = 0, S1PTW = 0 [ 129.882139] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081dc3000 [ 129.888879] [ffff80001349e598] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=00000009ffff9003, pte=007800008369e703 [ 129.901501] Internal error: Oops: 8600000f [#5] PREEMPT SMP [ 129.907088] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 129.916564] CPU: 1 PID: 1703 Comm: cat Tainted: G D W 5.10.154-cip19 #1 [ 129.924323] Hardware name: ARM Juno development board (r0) (DT) [ 129.930259] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 129.936290] pc : data_area+0x0/0x40 [ 129.939790] lr : execute_location+0x84/0xa4 [ 129.943982] sp : ffff800015a0bcd0 [ 129.947307] x29: ffff800015a0bcd0 x28: ffff0008079e6200 [ 129.952644] x27: 0000000000000000 x26: 0000000000000000 [ 129.957976] x25: ffff8000114f1958 x24: ffff800015a0be20 [ 129.963307] x23: 000000000000000a x22: ffff0008079fe000 [ 129.968638] x21: 0000000000000001 x20: ffff800010a11930 [ 129.973969] x19: ffff80001349e598 x18: 0000000000000000 [ 129.979299] x17: 0000000000000000 x16: 0000000000000000 [ 129.984630] x15: 0000000000000030 x14: ffffffffffffffff [ 129.989961] x13: ffff800095a0b9b7 x12: ffff800015a0b9bf [ 129.995292] x11: 0000000000000008 x10: ffff8000125e82d0 [ 130.000622] x9 : ffff80001012dcf4 x8 : ffff8000125902d0 [ 130.005954] x7 : ffff8000125e82d0 x6 : ffff800012561000 [ 130.011284] x5 : ffff800012561c88 x4 : ffff00097ef08c50 [ 130.016615] x3 : 0000000000000000 x2 : 0000000000000000 [ 130.021947] x1 : ffff0008079e6200 x0 : 0000000000000033 [ 130.027278] Call trace: [ 130.029731] data_area+0x0/0x40 [ 130.032879] lkdtm_EXEC_DATA+0x24/0x30 [ 130.036638] lkdtm_do_action+0x24/0x40 [ 130.040394] direct_entry+0xd0/0x140 [ 130.043978] full_proxy_write+0x68/0xbc [ 130.047824] vfs_write+0xec/0x20c [ 130.051145] ksys_write+0x70/0x100 [ 130.054554] __arm64_sys_write+0x24/0x30 [ 130.058487] el0_svc_common.constprop.0+0x84/0x1e0 [ 130.063289] do_el0_svc+0x2c/0x94 [ 130.066611] el0_svc+0x20/0x30 [ 130.069670] el0_sync_handler+0xb0/0xb4 [ 130.073514] el0_sync+0x180/0x1c0 [ 130.076840] Code: 06808500 ffff0008 06808600 ffff0008 (aa1e03e9) [ 130.082949] ---[ end trace bed7bdf0de25c312 ]--- # Segmentation fault # [ 129.837409] lkdtm: Performing direct entry EXEC_DATA # [ 129.842449] lkdtm: attempting ok execution at ffff800010a11930 # [ 129.848506] lkdtm: attempting bad execution at ffff80001349e598 # [ 129.854510] Unable to handle kernel execute from non-executable memory at virtual address ffff80001349e598 # [ 129.864454] Mem abort info: # [ 129.867411] ESR = 0x8600000f # [ 129.870503] EC = 0x21: IABT (current EL), IL = 32 bits # [ 129.875853] SET = 0, FnV = 0 # [ 129.878967] EA = 0, S1PTW = 0 # [ 129.882139] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081dc3000 # [ 129.888879] [ffff80001349e598] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=00000009ffff9003, pte=007800008369e703 # [ 129.901501] Internal error: Oops: 8600000f [#5] PREEMPT SMP # [ 129.907088] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 129.916564] CPU: 1 PID: 1703 Comm: cat Tainted: G D W 5.10.154-cip19 #1 # [ 129.924323] Hardware name: ARM Juno development board (r0) (DT) # [ 129.930259] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 129.936290] pc : data_area+0x0/0x40 # [ 129.939790] lr : execute_location+0x84/0xa4 # [ 129.943982] sp : ffff800015a0bcd0 # [ 129.947307] x29: ffff800015a0bcd0 x28: ffff0008079e6200 # [ 129.952644] x27: 0000000000000000 x26: 0000000000000000 # [ 129.957976] x25: ffff8000114f1958 x24: ffff800015a0be20 # [ 129.963307] x23: 000000000000000a x22: ffff0008079fe000 # [ 129.968638] x21: 0000000000000001 x20: ffff800010a11930 # [ 129.973969] x19: ffff80001349e598 x18: 0000000000000000 # [ 129.979299] x17: 0000000000000000 x16: 0000000000000000 # [ 129.984630] x15: 0000000000000030 x14: ffffffffffffffff # [ 129.989961] x13: ffff800095a0b9b7 x12: ffff800015a0b9bf # [ 129.995292] x11: 0000000000000008 x10: ffff8000125e82d0 # [ 130.000622] x9 : ffff80001012dcf4 x8 : ffff8000125902d0 # [ 130.005954] x7 : ffff8000125e82d0 x6 : ffff800012561000 # [ 130.011284] x5 : ffff800012561c88 x4 : ffff00097ef08c50 # [ 130.016615] x3 : 0000000000000000 x2 : 0000000000000000 # [ 130.021947] x1 : ffff0008079e6200 x0 : 0000000000000033 # [ 130.027278] Call trace: # [ 130.029731] data_area+0x0/0x40 # [ 130.032879] lkdtm_EXEC_DATA+0x24/0x30 # [ 130.036638] lkdtm_do_action+0x24/0x40 # [ 130.040394] direct_entry+0xd0/0x140 # [ 130.043978] full_proxy_write+0x68/0xbc # [ 130.047824] vfs_write+0xec/0x20c # [ 130.051145] ksys_write+0x70/0x100 # [ 130.054554] __arm64_sys_write+0x24/0x30 # [ 130.058487] el0_svc_common.constprop.0+0x84/0x1e0 # [ 130.063289] do_el0_svc+0x2c/0x94 # [ 130.066611] el0_svc+0x20/0x30 # [ 130.069670] el0_sync_handler+0xb0/0xb4 # [ 130.073514] el0_sync+0x180/0x1c0 # [ 130.076840] Code: 06808500 ffff0008 06808600 ffff0008 (aa1e03e9) # [ 130.082949] ---[ end trace bed7bdf0de25c312 ]--- # EXEC_DATA: saw 'call trace:': ok ok 30 selftests: lkdtm: EXEC_DATA.sh # selftests: lkdtm: EXEC_STACK.sh [ 130.492208] lkdtm: Performing direct entry EXEC_STACK [ 130.497356] lkdtm: attempting ok execution at ffff800010a11930 [ 130.503477] lkdtm: attempting bad execution at ffff800015abbcc8 [ 130.509501] Unable to handle kernel execute from non-executable memory at virtual address ffff800015abbcc8 [ 130.519514] Mem abort info: [ 130.522442] ESR = 0x8600000f [ 130.525611] EC = 0x21: IABT (current EL), IL = 32 bits [ 130.530966] SET = 0, FnV = 0 [ 130.534055] EA = 0, S1PTW = 0 [ 130.537225] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081dc3000 [ 130.543968] [ffff800015abbcc8] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=0000000883ea8003, pte=00680008809b0703 [ 130.556593] Internal error: Oops: 8600000f [#6] PREEMPT SMP [ 130.562184] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 130.571657] CPU: 1 PID: 1745 Comm: cat Tainted: G D W 5.10.154-cip19 #1 [ 130.579420] Hardware name: ARM Juno development board (r0) (DT) [ 130.585357] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 130.591384] pc : 0xffff800015abbcc8 [ 130.594885] lr : execute_location+0x84/0xa4 [ 130.599075] sp : ffff800015abbc80 [ 130.602395] x29: ffff800015abbc80 x28: ffff000807be4980 [ 130.607729] x27: 0000000000000000 x26: 0000000000000000 [ 130.613061] x25: ffff8000114f1958 x24: ffff800015abbe20 [ 130.618392] x23: 000000000000000b x22: ffff000803c34000 [ 130.623724] x21: 0000000000000001 x20: ffff800010a11930 [ 130.629055] x19: ffff800015abbcc8 x18: 0000000000000000 [ 130.634385] x17: 0000000000000000 x16: 0000000000000000 [ 130.639716] x15: 0000000000000030 x14: ffffffffffffffff [ 130.645047] x13: ffff800095abb967 x12: ffff800015abb96f [ 130.650378] x11: 0000000000000010 x10: ffff8000125e82d0 [ 130.655709] x9 : ffff80001012dcf4 x8 : ffff8000125902d0 [ 130.661040] x7 : ffff8000125e82d0 x6 : ffff800012561000 [ 130.666371] x5 : ffff800012561c88 x4 : ffff00097ef6ec50 [ 130.671702] x3 : 0000000000000000 x2 : 0000000000000000 [ 130.677033] x1 : ffff000807be4980 x0 : 0000000000000033 [ 130.682364] Call trace: [ 130.684815] 0xffff800015abbcc8 [ 130.687963] lkdtm_EXEC_STACK+0x30/0x58 [ 130.691809] lkdtm_do_action+0x24/0x40 [ 130.695566] direct_entry+0xd0/0x140 [ 130.699150] full_proxy_write+0x68/0xbc [ 130.702995] vfs_write+0xec/0x20c [ 130.706316] ksys_write+0x70/0x100 [ 130.709725] __arm64_sys_write+0x24/0x30 [ 130.713658] el0_svc_common.constprop.0+0x84/0x1e0 [ 130.718460] do_el0_svc+0x2c/0x94 [ 130.721781] el0_svc+0x20/0x30 [ 130.724841] el0_sync_handler+0xb0/0xb4 [ 130.728684] el0_sync+0x180/0x1c0 [ 130.732010] Code: 10a109f4 ffff8000 15abbd20 ffff8000 (aa1e03e9) [ 130.738119] ---[ end trace bed7bdf0de25c313 ]--- # Segmentation fault # [ 130.492208] lkdtm: Performing direct entry EXEC_STACK # [ 130.497356] lkdtm: attempting ok execution at ffff800010a11930 # [ 130.503477] lkdtm: attempting bad execution at ffff800015abbcc8 # [ 130.509501] Unable to handle kernel execute from non-executable memory at virtual address ffff800015abbcc8 # [ 130.519514] Mem abort info: # [ 130.522442] ESR = 0x8600000f # [ 130.525611] EC = 0x21: IABT (current EL), IL = 32 bits # [ 130.530966] SET = 0, FnV = 0 # [ 130.534055] EA = 0, S1PTW = 0 # [ 130.537225] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081dc3000 # [ 130.543968] [ffff800015abbcc8] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=0000000883ea8003, pte=00680008809b0703 # [ 130.556593] Internal error: Oops: 8600000f [#6] PREEMPT SMP # [ 130.562184] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 130.571657] CPU: 1 PID: 1745 Comm: cat Tainted: G D W 5.10.154-cip19 #1 # [ 130.579420] Hardware name: ARM Juno development board (r0) (DT) # [ 130.585357] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 130.591384] pc : 0xffff800015abbcc8 # [ 130.594885] lr : execute_location+0x84/0xa4 # [ 130.599075] sp : ffff800015abbc80 # [ 130.602395] x29: ffff800015abbc80 x28: ffff000807be4980 # [ 130.607729] x27: 0000000000000000 x26: 0000000000000000 # [ 130.613061] x25: ffff8000114f1958 x24: ffff800015abbe20 # [ 130.618392] x23: 000000000000000b x22: ffff000803c34000 # [ 130.623724] x21: 0000000000000001 x20: ffff800010a11930 # [ 130.629055] x19: ffff800015abbcc8 x18: 0000000000000000 # [ 130.634385] x17: 0000000000000000 x16: 0000000000000000 # [ 130.639716] x15: 0000000000000030 x14: ffffffffffffffff # [ 130.645047] x13: ffff800095abb967 x12: ffff800015abb96f # [ 130.650378] x11: 0000000000000010 x10: ffff8000125e82d0 # [ 130.655709] x9 : ffff80001012dcf4 x8 : ffff8000125902d0 # [ 130.661040] x7 : ffff8000125e82d0 x6 : ffff800012561000 # [ 130.666371] x5 : ffff800012561c88 x4 : ffff00097ef6ec50 # [ 130.671702] x3 : 0000000000000000 x2 : 0000000000000000 # [ 130.677033] x1 : ffff000807be4980 x0 : 0000000000000033 # [ 130.682364] Call trace: # [ 130.684815] 0xffff800015abbcc8 # [ 130.687963] lkdtm_EXEC_STACK+0x30/0x58 # [ 130.691809] lkdtm_do_action+0x24/0x40 # [ 130.695566] direct_entry+0xd0/0x140 # [ 130.699150] full_proxy_write+0x68/0xbc # [ 130.702995] vfs_write+0xec/0x20c # [ 130.706316] ksys_write+0x70/0x100 # [ 130.709725] __arm64_sys_write+0x24/0x30 # [ 130.713658] el0_svc_common.constprop.0+0x84/0x1e0 # [ 130.718460] do_el0_svc+0x2c/0x94 # [ 130.721781] el0_svc+0x20/0x30 # [ 130.724841] el0_sync_handler+0xb0/0xb4 # [ 130.728684] el0_sync+0x180/0x1c0 # [ 130.732010] Code: 10a109f4 ffff8000 15abbd20 ffff8000 (aa1e03e9) # [ 130.738119] ---[ end trace bed7bdf0de25c313 ]--- # EXEC_STACK: saw 'call trace:': ok ok 31 selftests: lkdtm: EXEC_STACK.sh # selftests: lkdtm: EXEC_KMALLOC.sh [ 131.150409] lkdtm: Performing direct entry EXEC_KMALLOC [ 131.155713] lkdtm: attempting ok execution at ffff800010a11930 [ 131.161768] lkdtm: attempting bad execution at ffff000806734380 [ 131.167771] Unable to handle kernel execute from non-executable memory at virtual address ffff000806734380 [ 131.177594] Mem abort info: [ 131.180416] ESR = 0x8600000f [ 131.183655] EC = 0x21: IABT (current EL), IL = 32 bits [ 131.189026] SET = 0, FnV = 0 [ 131.192093] EA = 0, S1PTW = 0 [ 131.195267] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081dc3000 [ 131.202005] [ffff000806734380] pgd=00000009ffff8003, p4d=00000009ffff8003, pud=00000009ffc0a003, pmd=00000009ffbd6003, pte=0068000886734707 [ 131.214639] Internal error: Oops: 8600000f [#7] PREEMPT SMP [ 131.220228] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 131.229705] CPU: 2 PID: 1787 Comm: cat Tainted: G D W 5.10.154-cip19 #1 [ 131.237464] Hardware name: ARM Juno development board (r0) (DT) [ 131.243397] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 131.249419] pc : 0xffff000806734380 [ 131.252918] lr : execute_location+0x84/0xa4 [ 131.257108] sp : ffff800015b53cc0 [ 131.260431] x29: ffff800015b53cc0 x28: ffff0008078f8000 [ 131.265767] x27: 0000000000000000 x26: 0000000000000000 [ 131.271098] x25: ffff8000114f1958 x24: ffff800015b53e20 [ 131.276429] x23: 000000000000000d x22: ffff0008079ff000 [ 131.281760] x21: 0000000000000001 x20: ffff800010a11930 [ 131.287092] x19: ffff000806734380 x18: 0000000000000000 [ 131.292422] x17: 0000000000000000 x16: 0000000000000000 [ 131.297753] x15: 0000000000000030 x14: ffffffffffffffff [ 131.303084] x13: ffff800095b539a7 x12: ffff800015b539af [ 131.308415] x11: 0000000000000020 x10: ffff8000125e82d0 [ 131.313746] x9 : ffff80001012dcf4 x8 : ffff8000125902d0 [ 131.319077] x7 : ffff8000125e82d0 x6 : ffff800012561000 [ 131.324408] x5 : ffff800012561c88 x4 : ffff00097ef6ec50 [ 131.329739] x3 : 0000000000000000 x2 : 0000000000000000 [ 131.335070] x1 : ffff0008078f8000 x0 : 0000000000000033 [ 131.340401] Call trace: [ 131.342852] 0xffff000806734380 [ 131.346003] lkdtm_EXEC_KMALLOC+0x34/0x4c [ 131.350020] lkdtm_do_action+0x24/0x40 [ 131.353776] direct_entry+0xd0/0x140 [ 131.357361] full_proxy_write+0x68/0xbc [ 131.361206] vfs_write+0xec/0x20c [ 131.364527] ksys_write+0x70/0x100 [ 131.367936] __arm64_sys_write+0x24/0x30 [ 131.371870] el0_svc_common.constprop.0+0x84/0x1e0 [ 131.376672] do_el0_svc+0x2c/0x94 [ 131.379993] el0_svc+0x20/0x30 [ 131.383053] el0_sync_handler+0xb0/0xb4 [ 131.386896] el0_sync+0x180/0x1c0 [ 131.390222] Code: 00000000 00000000 00000000 00000000 (aa1e03e9) [ 131.396331] ---[ end trace bed7bdf0de25c314 ]--- # Segmentation fault # [ 131.150409] lkdtm: Performing direct entry EXEC_KMALLOC # [ 131.155713] lkdtm: attempting ok execution at ffff800010a11930 # [ 131.161768] lkdtm: attempting bad execution at ffff000806734380 # [ 131.167771] Unable to handle kernel execute from non-executable memory at virtual address ffff000806734380 # [ 131.177594] Mem abort info: # [ 131.180416] ESR = 0x8600000f # [ 131.183655] EC = 0x21: IABT (current EL), IL = 32 bits # [ 131.189026] SET = 0, FnV = 0 # [ 131.192093] EA = 0, S1PTW = 0 # [ 131.195267] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081dc3000 # [ 131.202005] [ffff000806734380] pgd=00000009ffff8003, p4d=00000009ffff8003, pud=00000009ffc0a003, pmd=00000009ffbd6003, pte=0068000886734707 # [ 131.214639] Internal error: Oops: 8600000f [#7] PREEMPT SMP # [ 131.220228] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 131.229705] CPU: 2 PID: 1787 Comm: cat Tainted: G D W 5.10.154-cip19 #1 # [ 131.237464] Hardware name: ARM Juno development board (r0) (DT) # [ 131.243397] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 131.249419] pc : 0xffff000806734380 # [ 131.252918] lr : execute_location+0x84/0xa4 # [ 131.257108] sp : ffff800015b53cc0 # [ 131.260431] x29: ffff800015b53cc0 x28: ffff0008078f8000 # [ 131.265767] x27: 0000000000000000 x26: 0000000000000000 # [ 131.271098] x25: ffff8000114f1958 x24: ffff800015b53e20 # [ 131.276429] x23: 000000000000000d x22: ffff0008079ff000 # [ 131.281760] x21: 0000000000000001 x20: ffff800010a11930 # [ 131.287092] x19: ffff000806734380 x18: 0000000000000000 # [ 131.292422] x17: 0000000000000000 x16: 0000000000000000 # [ 131.297753] x15: 0000000000000030 x14: ffffffffffffffff # [ 131.303084] x13: ffff800095b539a7 x12: ffff800015b539af # [ 131.308415] x11: 0000000000000020 x10: ffff8000125e82d0 # [ 131.313746] x9 : ffff80001012dcf4 x8 : ffff8000125902d0 # [ 131.319077] x7 : ffff8000125e82d0 x6 : ffff800012561000 # [ 131.324408] x5 : ffff800012561c88 x4 : ffff00097ef6ec50 # [ 131.329739] x3 : 0000000000000000 x2 : 0000000000000000 # [ 131.335070] x1 : ffff0008078f8000 x0 : 0000000000000033 # [ 131.340401] Call trace: # [ 131.342852] 0xffff000806734380 # [ 131.346003] lkdtm_EXEC_KMALLOC+0x34/0x4c # [ 131.350020] lkdtm_do_action+0x24/0x40 # [ 131.353776] direct_entry+0xd0/0x140 # [ 131.357361] full_proxy_write+0x68/0xbc # [ 131.361206] vfs_write+0xec/0x20c # [ 131.364527] ksys_write+0x70/0x100 # [ 131.367936] __arm64_sys_write+0x24/0x30 # [ 131.371870] el0_svc_common.constprop.0+0x84/0x1e0 # [ 131.376672] do_el0_svc+0x2c/0x94 # [ 131.379993] el0_svc+0x20/0x30 # [ 131.383053] el0_sync_handler+0xb0/0xb4 # [ 131.386896] el0_sync+0x180/0x1c0 # [ 131.390222] Code: 00000000 00000000 00000000 00000000 (aa1e03e9) # [ 131.396331] ---[ end trace bed7bdf0de25c314 ]--- # EXEC_KMALLOC: saw 'call trace:': ok ok 32 selftests: lkdtm: EXEC_KMALLOC.sh # selftests: lkdtm: EXEC_VMALLOC.sh [ 131.851634] lkdtm: Performing direct entry EXEC_VMALLOC [ 131.857006] lkdtm: attempting ok execution at ffff800010a11930 [ 131.863088] lkdtm: attempting bad execution at ffff800013a65000 [ 131.869115] Unable to handle kernel execute from non-executable memory at virtual address ffff800013a65000 [ 131.879032] Mem abort info: [ 131.881994] ESR = 0x8600000f [ 131.885087] EC = 0x21: IABT (current EL), IL = 32 bits [ 131.890459] SET = 0, FnV = 0 [ 131.893617] EA = 0, S1PTW = 0 [ 131.896796] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081dc3000 [ 131.903533] [ffff800013a65000] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=00000008809ea003, pte=0068000887bad703 [ 131.916169] Internal error: Oops: 8600000f [#8] PREEMPT SMP [ 131.921755] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 131.931233] CPU: 1 PID: 1829 Comm: cat Tainted: G D W 5.10.154-cip19 #1 [ 131.938995] Hardware name: ARM Juno development board (r0) (DT) [ 131.944930] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 131.950955] pc : 0xffff800013a65000 [ 131.954459] lr : execute_location+0x84/0xa4 [ 131.958652] sp : ffff800015c0bcc0 [ 131.961972] x29: ffff800015c0bcc0 x28: ffff000807171880 [ 131.967305] x27: 0000000000000000 x26: 0000000000000000 [ 131.972637] x25: ffff8000114f1958 x24: ffff800015c0be20 [ 131.977968] x23: 000000000000000d x22: ffff000807bad000 [ 131.983299] x21: 0000000000000001 x20: ffff800010a11930 [ 131.988630] x19: ffff800013a65000 x18: 0000000000000000 [ 131.993961] x17: 0000000000000000 x16: 0000000000000000 [ 131.999292] x15: 0000000000000030 x14: ffffffffffffffff [ 132.004623] x13: ffff800095c0b9a7 x12: ffff800015c0b9af [ 132.009954] x11: ffff800013a67000 x10: ffff8000125e82d0 [ 132.015286] x9 : ffff80001012dcf4 x8 : ffff8000125902d0 [ 132.020617] x7 : ffff8000125e82d0 x6 : ffff800012561000 [ 132.025948] x5 : ffff800012561c88 x4 : ffff00097ef6ec50 [ 132.031279] x3 : 0000000000000000 x2 : 0000000000000000 [ 132.036610] x1 : ffff000807171880 x0 : 0000000000000033 [ 132.041941] Call trace: [ 132.044392] 0xffff800013a65000 [ 132.047543] lkdtm_EXEC_VMALLOC+0x2c/0x44 [ 132.051561] lkdtm_do_action+0x24/0x40 [ 132.055317] direct_entry+0xd0/0x140 [ 132.058901] full_proxy_write+0x68/0xbc [ 132.062747] vfs_write+0xec/0x20c [ 132.066068] ksys_write+0x70/0x100 [ 132.069477] __arm64_sys_write+0x24/0x30 [ 132.073410] el0_svc_common.constprop.0+0x84/0x1e0 [ 132.078212] do_el0_svc+0x2c/0x94 [ 132.081534] el0_svc+0x20/0x30 [ 132.084594] el0_sync_handler+0xb0/0xb4 [ 132.088437] el0_sync+0x180/0x1c0 [ 132.091764] Code: bad PC value [ 132.094827] ---[ end trace bed7bdf0de25c315 ]--- # Segmentation fault # [ 131.851634] lkdtm: Performing direct entry EXEC_VMALLOC # [ 131.857006] lkdtm: attempting ok execution at ffff800010a11930 # [ 131.863088] lkdtm: attempting bad execution at ffff800013a65000 # [ 131.869115] Unable to handle kernel execute from non-executable memory at virtual address ffff800013a65000 # [ 131.879032] Mem abort info: # [ 131.881994] ESR = 0x8600000f # [ 131.885087] EC = 0x21: IABT (current EL), IL = 32 bits # [ 131.890459] SET = 0, FnV = 0 # [ 131.893617] EA = 0, S1PTW = 0 # [ 131.896796] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081dc3000 # [ 131.903533] [ffff800013a65000] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=00000008809ea003, pte=0068000887bad703 # [ 131.916169] Internal error: Oops: 8600000f [#8] PREEMPT SMP # [ 131.921755] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 131.931233] CPU: 1 PID: 1829 Comm: cat Tainted: G D W 5.10.154-cip19 #1 # [ 131.938995] Hardware name: ARM Juno development board (r0) (DT) # [ 131.944930] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 131.950955] pc : 0xffff800013a65000 # [ 131.954459] lr : execute_location+0x84/0xa4 # [ 131.958652] sp : ffff800015c0bcc0 # [ 131.961972] x29: ffff800015c0bcc0 x28: ffff000807171880 # [ 131.967305] x27: 0000000000000000 x26: 0000000000000000 # [ 131.972637] x25: ffff8000114f1958 x24: ffff800015c0be20 # [ 131.977968] x23: 000000000000000d x22: ffff000807bad000 # [ 131.983299] x21: 0000000000000001 x20: ffff800010a11930 # [ 131.988630] x19: ffff800013a65000 x18: 0000000000000000 # [ 131.993961] x17: 0000000000000000 x16: 0000000000000000 # [ 131.999292] x15: 0000000000000030 x14: ffffffffffffffff # [ 132.004623] x13: ffff800095c0b9a7 x12: ffff800015c0b9af # [ 132.009954] x11: ffff800013a67000 x10: ffff8000125e82d0 # [ 132.015286] x9 : ffff80001012dcf4 x8 : ffff8000125902d0 # [ 132.020617] x7 : ffff8000125e82d0 x6 : ffff800012561000 # [ 132.025948] x5 : ffff800012561c88 x4 : ffff00097ef6ec50 # [ 132.031279] x3 : 0000000000000000 x2 : 0000000000000000 # [ 132.036610] x1 : ffff000807171880 x0 : 0000000000000033 # [ 132.041941] Call trace: # [ 132.044392] 0xffff800013a65000 # [ 132.047543] lkdtm_EXEC_VMALLOC+0x2c/0x44 # [ 132.051561] lkdtm_do_action+0x24/0x40 # [ 132.055317] direct_entry+0xd0/0x140 # [ 132.058901] full_proxy_write+0x68/0xbc # [ 132.062747] vfs_write+0xec/0x20c # [ 132.066068] ksys_write+0x70/0x100 # [ 132.069477] __arm64_sys_write+0x24/0x30 # [ 132.073410] el0_svc_common.constprop.0+0x84/0x1e0 # [ 132.078212] do_el0_svc+0x2c/0x94 # [ 132.081534] el0_svc+0x20/0x30 # [ 132.084594] el0_sync_handler+0xb0/0xb4 # [ 132.088437] el0_sync+0x180/0x1c0 # [ 132.091764] Code: bad PC value # [ 132.094827] ---[ end trace bed7bdf0de25c315 ]--- # EXEC_VMALLOC: saw 'call trace:': ok ok 33 selftests: lkdtm: EXEC_VMALLOC.sh # selftests: lkdtm: EXEC_RODATA.sh [ 132.541728] lkdtm: Performing direct entry EXEC_RODATA [ 132.546951] lkdtm: attempting ok execution at ffff800010a11930 [ 132.552863] lkdtm: attempting bad execution at ffff8000114f1e50 [ 132.558865] Unable to handle kernel execute from non-executable memory at virtual address ffff8000114f1e50 [ 132.568715] Mem abort info: [ 132.572479] ESR = 0x8600000e [ 132.575594] EC = 0x21: IABT (current EL), IL = 32 bits [ 132.580945] SET = 0, FnV = 0 [ 132.584015] EA = 0, S1PTW = 0 [ 132.587190] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081dc3000 [ 132.593932] [ffff8000114f1e50] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=0060000081600781 [ 132.604630] Internal error: Oops: 8600000e [#9] PREEMPT SMP [ 132.610215] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 132.619703] CPU: 2 PID: 1871 Comm: cat Tainted: G D W 5.10.154-cip19 #1 [ 132.627469] Hardware name: ARM Juno development board (r0) (DT) [ 132.633404] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 132.639431] pc : lkdtm_rodata_do_nothing+0x0/0x10 [ 132.644148] lr : execute_location+0x84/0xa4 [ 132.648337] sp : ffff800015ca3cd0 [ 132.651657] x29: ffff800015ca3cd0 x28: ffff0008078fc980 [ 132.656993] x27: 0000000000000000 x26: 0000000000000000 [ 132.662325] x25: ffff8000114f1958 x24: ffff800015ca3e20 [ 132.667656] x23: 000000000000000c x22: ffff0008064bf000 [ 132.672988] x21: 0000000000000000 x20: ffff800010a11930 [ 132.678319] x19: ffff8000114f1e50 x18: 0000000000000000 [ 132.683650] x17: 0000000000000000 x16: 0000000000000000 [ 132.688981] x15: 0000000000000030 x14: ffffffffffffffff [ 132.694312] x13: ffff800095ca39b7 x12: ffff800015ca39bf [ 132.699643] x11: 0000000000000018 x10: ffff8000125e82d0 [ 132.704974] x9 : ffff80001012dcf4 x8 : ffff8000125902d0 [ 132.710305] x7 : ffff8000125e82d0 x6 : ffff800012561000 [ 132.715636] x5 : ffff800012561c88 x4 : ffff00097ef08c50 [ 132.720967] x3 : 0000000000000000 x2 : 0000000000000000 [ 132.726298] x1 : ffff0008078fc980 x0 : 0000000000000033 [ 132.731629] Call trace: [ 132.734083] lkdtm_rodata_do_nothing+0x0/0x10 [ 132.738450] lkdtm_EXEC_RODATA+0x24/0x30 [ 132.742382] lkdtm_do_action+0x24/0x40 [ 132.746139] direct_entry+0xd0/0x140 [ 132.749722] full_proxy_write+0x68/0xbc [ 132.753567] vfs_write+0xec/0x20c [ 132.756888] ksys_write+0x70/0x100 [ 132.760297] __arm64_sys_write+0x24/0x30 [ 132.764230] el0_svc_common.constprop.0+0x84/0x1e0 [ 132.769032] do_el0_svc+0x2c/0x94 [ 132.772353] el0_svc+0x20/0x30 [ 132.775413] el0_sync_handler+0xb0/0xb4 [ 132.779257] el0_sync+0x180/0x1c0 [ 132.782583] Code: 00000074 00000000 aa55aa55 00000000 (d503233f) [ 132.788692] ---[ end trace bed7bdf0de25c316 ]--- # Segmentation fault # [ 132.541728] lkdtm: Performing direct entry EXEC_RODATA # [ 132.546951] lkdtm: attempting ok execution at ffff800010a11930 # [ 132.552863] lkdtm: attempting bad execution at ffff8000114f1e50 # [ 132.558865] Unable to handle kernel execute from non-executable memory at virtual address ffff8000114f1e50 # [ 132.568715] Mem abort info: # [ 132.572479] ESR = 0x8600000e # [ 132.575594] EC = 0x21: IABT (current EL), IL = 32 bits # [ 132.580945] SET = 0, FnV = 0 # [ 132.584015] EA = 0, S1PTW = 0 # [ 132.587190] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081dc3000 # [ 132.593932] [ffff8000114f1e50] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=0060000081600781 # [ 132.604630] Internal error: Oops: 8600000e [#9] PREEMPT SMP # [ 132.610215] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 132.619703] CPU: 2 PID: 1871 Comm: cat Tainted: G D W 5.10.154-cip19 #1 # [ 132.627469] Hardware name: ARM Juno development board (r0) (DT) # [ 132.633404] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 132.639431] pc : lkdtm_rodata_do_nothing+0x0/0x10 # [ 132.644148] lr : execute_location+0x84/0xa4 # [ 132.648337] sp : ffff800015ca3cd0 # [ 132.651657] x29: ffff800015ca3cd0 x28: ffff0008078fc980 # [ 132.656993] x27: 0000000000000000 x26: 0000000000000000 # [ 132.662325] x25: ffff8000114f1958 x24: ffff800015ca3e20 # [ 132.667656] x23: 000000000000000c x22: ffff0008064bf000 # [ 132.672988] x21: 0000000000000000 x20: ffff800010a11930 # [ 132.678319] x19: ffff8000114f1e50 x18: 0000000000000000 # [ 132.683650] x17: 0000000000000000 x16: 0000000000000000 # [ 132.688981] x15: 0000000000000030 x14: ffffffffffffffff # [ 132.694312] x13: ffff800095ca39b7 x12: ffff800015ca39bf # [ 132.699643] x11: 0000000000000018 x10: ffff8000125e82d0 # [ 132.704974] x9 : ffff80001012dcf4 x8 : ffff8000125902d0 # [ 132.710305] x7 : ffff8000125e82d0 x6 : ffff800012561000 # [ 132.715636] x5 : ffff800012561c88 x4 : ffff00097ef08c50 # [ 132.720967] x3 : 0000000000000000 x2 : 0000000000000000 # [ 132.726298] x1 : ffff0008078fc980 x0 : 0000000000000033 # [ 132.731629] Call trace: # [ 132.734083] lkdtm_rodata_do_nothing+0x0/0x10 # [ 132.738450] lkdtm_EXEC_RODATA+0x24/0x30 # [ 132.742382] lkdtm_do_action+0x24/0x40 # [ 132.746139] direct_entry+0xd0/0x140 # [ 132.749722] full_proxy_write+0x68/0xbc # [ 132.753567] vfs_write+0xec/0x20c # [ 132.756888] ksys_write+0x70/0x100 # [ 132.760297] __arm64_sys_write+0x24/0x30 # [ 132.764230] el0_svc_common.constprop.0+0x84/0x1e0 # [ 132.769032] do_el0_svc+0x2c/0x94 # [ 132.772353] el0_svc+0x20/0x30 # [ 132.775413] el0_sync_handler+0xb0/0xb4 # [ 132.779257] el0_sync+0x180/0x1c0 # [ 132.782583] Code: 00000074 00000000 aa55aa55 00000000 (d503233f) # [ 132.788692] ---[ end trace bed7bdf0de25c316 ]--- # EXEC_RODATA: saw 'call trace:': ok ok 34 selftests: lkdtm: EXEC_RODATA.sh # selftests: lkdtm: EXEC_USERSPACE.sh [ 133.200235] lkdtm: Performing direct entry EXEC_USERSPACE [ 133.205766] lkdtm: attempting ok execution at ffff800010a11930 [ 133.211811] lkdtm: attempting bad execution at 0000ffff86d56000 [ 133.217837] Unable to handle kernel execution of user memory at virtual address 0000ffff86d56000 [ 133.226935] Mem abort info: [ 133.229797] ESR = 0x8600000f [ 133.232901] EC = 0x21: IABT (current EL), IL = 32 bits [ 133.238252] SET = 0, FnV = 0 [ 133.241341] EA = 0, S1PTW = 0 [ 133.244500] user pgtable: 4k pages, 48-bit VAs, pgdp=0000000880be6000 [ 133.250999] [0000ffff86d56000] pgd=0000000882b2f003, p4d=0000000882b2f003, pud=0000000885713003, pmd=00000008842d5003, pte=00a800088caa7f43 [ 133.263670] Internal error: Oops: 8600000f [#10] PREEMPT SMP [ 133.269351] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 133.278831] CPU: 2 PID: 1913 Comm: cat Tainted: G D W 5.10.154-cip19 #1 [ 133.286594] Hardware name: ARM Juno development board (r0) (DT) [ 133.292532] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 133.298555] pc : 0xffff86d56000 [ 133.301711] lr : lkdtm_EXEC_USERSPACE+0xe0/0xf0 [ 133.306251] sp : ffff800015d3bcf0 [ 133.309575] x29: ffff800015d3bcf0 x28: ffff000807173100 [ 133.314909] x27: 0000000000000000 x26: 0000000000000000 [ 133.320240] x25: ffff8000114f1958 x24: ffff800015d3be20 [ 133.325572] x23: 000000000000000f x22: ffff00080435e000 [ 133.330903] x21: ffff800011a07f00 x20: ffff800010a11930 [ 133.336234] x19: 0000ffff86d56000 x18: 0000000000000000 [ 133.341565] x17: 0000000000000000 x16: 0000000000000000 [ 133.346896] x15: 0000000000000030 x14: ffffffffffffffff [ 133.352228] x13: ffff800095d3b9d7 x12: ffff800015d3b9df [ 133.357559] x11: a9be7bfdd0008620 x10: ffff8000125e82d0 [ 133.362890] x9 : ffff80001012dcf4 x8 : ffff8000125902d0 [ 133.368222] x7 : ffff8000125e82d0 x6 : ffff800012561000 [ 133.373553] x5 : ffff800012561c88 x4 : ffff00097ef08c50 [ 133.378883] x3 : 0000000000000000 x2 : 0000000000000000 [ 133.384215] x1 : ffff000807173100 x0 : 0000000000000033 [ 133.389546] Call trace: [ 133.391997] 0xffff86d56000 [ 133.394799] lkdtm_do_action+0x24/0x40 [ 133.398555] direct_entry+0xd0/0x140 [ 133.402140] full_proxy_write+0x68/0xbc [ 133.405986] vfs_write+0xec/0x20c [ 133.409308] ksys_write+0x70/0x100 [ 133.412716] __arm64_sys_write+0x24/0x30 [ 133.416650] el0_svc_common.constprop.0+0x84/0x1e0 [ 133.421451] do_el0_svc+0x2c/0x94 [ 133.424774] el0_svc+0x20/0x30 [ 133.427833] el0_sync_handler+0xb0/0xb4 [ 133.431678] el0_sync+0x180/0x1c0 [ 133.435005] Code: bad PC value [ 133.438068] ---[ end trace bed7bdf0de25c317 ]--- # Segmentation fault # [ 133.200235] lkdtm: Performing direct entry EXEC_USERSPACE # [ 133.205766] lkdtm: attempting ok execution at ffff800010a11930 # [ 133.211811] lkdtm: attempting bad execution at 0000ffff86d56000 # [ 133.217837] Unable to handle kernel execution of user memory at virtual address 0000ffff86d56000 # [ 133.226935] Mem abort info: # [ 133.229797] ESR = 0x8600000f # [ 133.232901] EC = 0x21: IABT (current EL), IL = 32 bits # [ 133.238252] SET = 0, FnV = 0 # [ 133.241341] EA = 0, S1PTW = 0 # [ 133.244500] user pgtable: 4k pages, 48-bit VAs, pgdp=0000000880be6000 # [ 133.250999] [0000ffff86d56000] pgd=0000000882b2f003, p4d=0000000882b2f003, pud=0000000885713003, pmd=00000008842d5003, pte=00a800088caa7f43 # [ 133.263670] Internal error: Oops: 8600000f [#10] PREEMPT SMP # [ 133.269351] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 133.278831] CPU: 2 PID: 1913 Comm: cat Tainted: G D W 5.10.154-cip19 #1 # [ 133.286594] Hardware name: ARM Juno development board (r0) (DT) # [ 133.292532] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 133.298555] pc : 0xffff86d56000 # [ 133.301711] lr : lkdtm_EXEC_USERSPACE+0xe0/0xf0 # [ 133.306251] sp : ffff800015d3bcf0 # [ 133.309575] x29: ffff800015d3bcf0 x28: ffff000807173100 # [ 133.314909] x27: 0000000000000000 x26: 0000000000000000 # [ 133.320240] x25: ffff8000114f1958 x24: ffff800015d3be20 # [ 133.325572] x23: 000000000000000f x22: ffff00080435e000 # [ 133.330903] x21: ffff800011a07f00 x20: ffff800010a11930 # [ 133.336234] x19: 0000ffff86d56000 x18: 0000000000000000 # [ 133.341565] x17: 0000000000000000 x16: 0000000000000000 # [ 133.346896] x15: 0000000000000030 x14: ffffffffffffffff # [ 133.352228] x13: ffff800095d3b9d7 x12: ffff800015d3b9df # [ 133.357559] x11: a9be7bfdd0008620 x10: ffff8000125e82d0 # [ 133.362890] x9 : ffff80001012dcf4 x8 : ffff8000125902d0 # [ 133.368222] x7 : ffff8000125e82d0 x6 : ffff800012561000 # [ 133.373553] x5 : ffff800012561c88 x4 : ffff00097ef08c50 # [ 133.378883] x3 : 0000000000000000 x2 : 0000000000000000 # [ 133.384215] x1 : ffff000807173100 x0 : 0000000000000033 # [ 133.389546] Call trace: # [ 133.391997] 0xffff86d56000 # [ 133.394799] lkdtm_do_action+0x24/0x40 # [ 133.398555] direct_entry+0xd0/0x140 # [ 133.402140] full_proxy_write+0x68/0xbc # [ 133.405986] vfs_write+0xec/0x20c # [ 133.409308] ksys_write+0x70/0x100 # [ 133.412716] __arm64_sys_write+0x24/0x30 # [ 133.416650] el0_svc_common.constprop.0+0x84/0x1e0 # [ 133.421451] do_el0_svc+0x2c/0x94 # [ 133.424774] el0_svc+0x20/0x30 # [ 133.427833] el0_sync_handler+0xb0/0xb4 # [ 133.431678] el0_sync+0x180/0x1c0 # [ 133.435005] Code: bad PC value # [ 133.438068] ---[ end trace bed7bdf0de25c317 ]--- # EXEC_USERSPACE: saw 'call trace:': ok ok 35 selftests: lkdtm: EXEC_USERSPACE.sh # selftests: lkdtm: EXEC_NULL.sh [ 133.860894] lkdtm: Performing direct entry EXEC_NULL [ 133.865944] lkdtm: attempting ok execution at ffff800010a11930 [ 133.871852] lkdtm: attempting bad execution at 0000000000000000 [ 133.877929] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000 [ 133.886871] Mem abort info: [ 133.889800] ESR = 0x86000004 [ 133.892918] EC = 0x21: IABT (current EL), IL = 32 bits [ 133.898263] SET = 0, FnV = 0 [ 133.902188] EA = 0, S1PTW = 0 [ 133.905385] user pgtable: 4k pages, 48-bit VAs, pgdp=00000008865c5000 [ 133.911922] [0000000000000000] pgd=0000000000000000, p4d=0000000000000000 [ 133.918860] Internal error: Oops: 86000004 [#11] PREEMPT SMP [ 133.924538] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 133.934017] CPU: 1 PID: 1955 Comm: cat Tainted: G D W 5.10.154-cip19 #1 [ 133.941776] Hardware name: ARM Juno development board (r0) (DT) [ 133.947713] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 133.953740] pc : 0x0 [ 133.955939] lr : execute_location+0x84/0xa4 [ 133.960132] sp : ffff800015ddbcd0 [ 133.963454] x29: ffff800015ddbcd0 x28: ffff000802a88000 [ 133.968791] x27: 0000000000000000 x26: 0000000000000000 [ 133.974126] x25: ffff8000114f1958 x24: ffff800015ddbe20 [ 133.979461] x23: 000000000000000a x22: ffff000802898000 [ 133.984793] x21: 0000000000000000 x20: ffff800010a11930 [ 133.990125] x19: 0000000000000000 x18: 0000000000000000 [ 133.995456] x17: 0000000000000000 x16: 0000000000000000 [ 134.000788] x15: 0000000000000030 x14: ffffffffffffffff [ 134.006120] x13: ffff800095ddb9b7 x12: ffff800015ddb9bf [ 134.011451] x11: 0000000000000008 x10: 0000000000001440 [ 134.016783] x9 : ffff80001012dcf4 x8 : ffff000802a894a0 [ 134.022115] x7 : 0000000000000000 x6 : ffff800012561000 [ 134.027447] x5 : ffff800012561c88 x4 : ffff00097ef6ec50 [ 134.032779] x3 : 0000000000000000 x2 : 0000000000000000 [ 134.038110] x1 : ffff000802a88000 x0 : 0000000000000033 [ 134.043442] Call trace: [ 134.045894] 0x0 [ 134.047738] lkdtm_EXEC_NULL+0x20/0x2c [ 134.051498] lkdtm_do_action+0x24/0x40 [ 134.055254] direct_entry+0xd0/0x140 [ 134.058839] full_proxy_write+0x68/0xbc [ 134.062685] vfs_write+0xec/0x20c [ 134.066006] ksys_write+0x70/0x100 [ 134.069415] __arm64_sys_write+0x24/0x30 [ 134.073349] el0_svc_common.constprop.0+0x84/0x1e0 [ 134.078151] do_el0_svc+0x2c/0x94 [ 134.081473] el0_svc+0x20/0x30 [ 134.084533] el0_sync_handler+0xb0/0xb4 [ 134.088377] el0_sync+0x180/0x1c0 [ 134.091704] Code: bad PC value [ 134.094767] ---[ end trace bed7bdf0de25c318 ]--- # Segmentation fault # [ 133.860894] lkdtm: Performing direct entry EXEC_NULL # [ 133.865944] lkdtm: attempting ok execution at ffff800010a11930 # [ 133.871852] lkdtm: attempting bad execution at 0000000000000000 # [ 133.877929] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000 # [ 133.886871] Mem abort info: # [ 133.889800] ESR = 0x86000004 # [ 133.892918] EC = 0x21: IABT (current EL), IL = 32 bits # [ 133.898263] SET = 0, FnV = 0 # [ 133.902188] EA = 0, S1PTW = 0 # [ 133.905385] user pgtable: 4k pages, 48-bit VAs, pgdp=00000008865c5000 # [ 133.911922] [0000000000000000] pgd=0000000000000000, p4d=0000000000000000 # [ 133.918860] Internal error: Oops: 86000004 [#11] PREEMPT SMP # [ 133.924538] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 133.934017] CPU: 1 PID: 1955 Comm: cat Tainted: G D W 5.10.154-cip19 #1 # [ 133.941776] Hardware name: ARM Juno development board (r0) (DT) # [ 133.947713] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 133.953740] pc : 0x0 # [ 133.955939] lr : execute_location+0x84/0xa4 # [ 133.960132] sp : ffff800015ddbcd0 # [ 133.963454] x29: ffff800015ddbcd0 x28: ffff000802a88000 # [ 133.968791] x27: 0000000000000000 x26: 0000000000000000 # [ 133.974126] x25: ffff8000114f1958 x24: ffff800015ddbe20 # [ 133.979461] x23: 000000000000000a x22: ffff000802898000 # [ 133.984793] x21: 0000000000000000 x20: ffff800010a11930 # [ 133.990125] x19: 0000000000000000 x18: 0000000000000000 # [ 133.995456] x17: 0000000000000000 x16: 0000000000000000 # [ 134.000788] x15: 0000000000000030 x14: ffffffffffffffff # [ 134.006120] x13: ffff800095ddb9b7 x12: ffff800015ddb9bf # [ 134.011451] x11: 0000000000000008 x10: 0000000000001440 # [ 134.016783] x9 : ffff80001012dcf4 x8 : ffff000802a894a0 # [ 134.022115] x7 : 0000000000000000 x6 : ffff800012561000 # [ 134.027447] x5 : ffff800012561c88 x4 : ffff00097ef6ec50 # [ 134.032779] x3 : 0000000000000000 x2 : 0000000000000000 # [ 134.038110] x1 : ffff000802a88000 x0 : 0000000000000033 # [ 134.043442] Call trace: # [ 134.045894] 0x0 # [ 134.047738] lkdtm_EXEC_NULL+0x20/0x2c # [ 134.051498] lkdtm_do_action+0x24/0x40 # [ 134.055254] direct_entry+0xd0/0x140 # [ 134.058839] full_proxy_write+0x68/0xbc # [ 134.062685] vfs_write+0xec/0x20c # [ 134.066006] ksys_write+0x70/0x100 # [ 134.069415] __arm64_sys_write+0x24/0x30 # [ 134.073349] el0_svc_common.constprop.0+0x84/0x1e0 # [ 134.078151] do_el0_svc+0x2c/0x94 # [ 134.081473] el0_svc+0x20/0x30 # [ 134.084533] el0_sync_handler+0xb0/0xb4 # [ 134.088377] el0_sync+0x180/0x1c0 # [ 134.091704] Code: bad PC value # [ 134.094767] ---[ end trace bed7bdf0de25c318 ]--- # EXEC_NULL: saw 'call trace:': ok ok 36 selftests: lkdtm: EXEC_NULL.sh # selftests: lkdtm: ACCESS_USERSPACE.sh [ 134.537221] lkdtm: Performing direct entry ACCESS_USERSPACE [ 134.542954] lkdtm: attempting bad read at 0000ffffa6974000 [ 134.548519] lkdtm: FAIL: survived bad read [ 134.552866] lkdtm: attempting bad write at 0000ffffa6974000 [ 134.558586] lkdtm: FAIL: survived bad write # [ 134.537221] lkdtm: Performing direct entry ACCESS_USERSPACE # [ 134.542954] lkdtm: attempting bad read at 0000ffffa6974000 # [ 134.548519] lkdtm: FAIL: survived bad read # [ 134.552866] lkdtm: attempting bad write at 0000ffffa6974000 # [ 134.558586] 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 [ 134.962837] lkdtm: Performing direct entry ACCESS_NULL [ 134.968052] lkdtm: attempting bad read at 0000000000000000 [ 134.974076] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000 [ 134.984094] Mem abort info: [ 134.987061] ESR = 0x96000004 [ 134.990164] EC = 0x25: DABT (current EL), IL = 32 bits [ 134.995557] SET = 0, FnV = 0 [ 134.998651] EA = 0, S1PTW = 0 [ 135.001877] Data abort info: [ 135.004798] ISV = 0, ISS = 0x00000004 [ 135.008651] CM = 0, WnR = 0 [ 135.011653] user pgtable: 4k pages, 48-bit VAs, pgdp=0000000883c78000 [ 135.018151] [0000000000000000] pgd=0000000000000000, p4d=0000000000000000 [ 135.025010] Internal error: Oops: 96000004 [#12] PREEMPT SMP [ 135.030686] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 135.040169] CPU: 1 PID: 2031 Comm: cat Tainted: G D W 5.10.154-cip19 #1 [ 135.047930] Hardware name: ARM Juno development board (r0) (DT) [ 135.053865] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 135.059893] pc : lkdtm_ACCESS_NULL+0x34/0x78 [ 135.064173] lr : lkdtm_ACCESS_NULL+0x2c/0x78 [ 135.068449] sp : ffff800015f0bcf0 [ 135.071771] x29: ffff800015f0bcf0 x28: ffff000800bf8000 [ 135.077110] x27: 0000000000000000 x26: 0000000000000000 [ 135.082449] x25: ffff8000114f1958 x24: ffff800015f0be20 [ 135.087789] x23: 000000000000000c x22: ffff000805b64000 [ 135.093124] x21: ffff800011a07f38 x20: 0000000000000000 [ 135.098457] x19: 0000000000000027 x18: 0000000000000000 [ 135.103789] x17: 0000000000000000 x16: 0000000000000000 [ 135.109121] x15: 0000000000000030 x14: ffffffffffffffff [ 135.114452] x13: ffff800095f0b9d7 x12: ffff800015f0b9df [ 135.119784] x11: 0000000000000018 x10: ffff8000125e82d0 [ 135.125116] x9 : ffff80001012dcf4 x8 : ffff8000125902d0 [ 135.130448] x7 : ffff8000125e82d0 x6 : ffff800012561000 [ 135.135779] x5 : ffff800012561c88 x4 : ffff00097ef08c50 [ 135.141111] x3 : 0000000000000000 x2 : 0000000000000000 [ 135.146442] x1 : 000000000000c0de x0 : ffff800011a08000 [ 135.151774] Call trace: [ 135.154227] lkdtm_ACCESS_NULL+0x34/0x78 [ 135.158161] lkdtm_do_action+0x24/0x40 [ 135.161918] direct_entry+0xd0/0x140 [ 135.165503] full_proxy_write+0x68/0xbc [ 135.169349] vfs_write+0xec/0x20c [ 135.172670] ksys_write+0x70/0x100 [ 135.176079] __arm64_sys_write+0x24/0x30 [ 135.180013] el0_svc_common.constprop.0+0x84/0x1e0 [ 135.184815] do_el0_svc+0x2c/0x94 [ 135.188137] el0_svc+0x20/0x30 [ 135.191197] el0_sync_handler+0xb0/0xb4 [ 135.195041] el0_sync+0x180/0x1c0 [ 135.198367] Code: 913ea000 97ffdf68 d2981bc1 d0003de0 (f9400293) [ 135.204477] ---[ end trace bed7bdf0de25c319 ]--- # Segmentation fault # [ 134.962837] lkdtm: Performing direct entry ACCESS_NULL # [ 134.968052] lkdtm: attempting bad read at 0000000000000000 # [ 134.974076] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000 # [ 134.984094] Mem abort info: # [ 134.987061] ESR = 0x96000004 # [ 134.990164] EC = 0x25: DABT (current EL), IL = 32 bits # [ 134.995557] SET = 0, FnV = 0 # [ 134.998651] EA = 0, S1PTW = 0 # [ 135.001877] Data abort info: # [ 135.004798] ISV = 0, ISS = 0x00000004 # [ 135.008651] CM = 0, WnR = 0 # [ 135.011653] user pgtable: 4k pages, 48-bit VAs, pgdp=0000000883c78000 # [ 135.018151] [0000000000000000] pgd=0000000000000000, p4d=0000000000000000 # [ 135.025010] Internal error: Oops: 96000004 [#12] PREEMPT SMP # [ 135.030686] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 135.040169] CPU: 1 PID: 2031 Comm: cat Tainted: G D W 5.10.154-cip19 #1 # [ 135.047930] Hardware name: ARM Juno development board (r0) (DT) # [ 135.053865] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 135.059893] pc : lkdtm_ACCESS_NULL+0x34/0x78 # [ 135.064173] lr : lkdtm_ACCESS_NULL+0x2c/0x78 # [ 135.068449] sp : ffff800015f0bcf0 # [ 135.071771] x29: ffff800015f0bcf0 x28: ffff000800bf8000 # [ 135.077110] x27: 0000000000000000 x26: 0000000000000000 # [ 135.082449] x25: ffff8000114f1958 x24: ffff800015f0be20 # [ 135.087789] x23: 000000000000000c x22: ffff000805b64000 # [ 135.093124] x21: ffff800011a07f38 x20: 0000000000000000 # [ 135.098457] x19: 0000000000000027 x18: 0000000000000000 # [ 135.103789] x17: 0000000000000000 x16: 0000000000000000 # [ 135.109121] x15: 0000000000000030 x14: ffffffffffffffff # [ 135.114452] x13: ffff800095f0b9d7 x12: ffff800015f0b9df # [ 135.119784] x11: 0000000000000018 x10: ffff8000125e82d0 # [ 135.125116] x9 : ffff80001012dcf4 x8 : ffff8000125902d0 # [ 135.130448] x7 : ffff8000125e82d0 x6 : ffff800012561000 # [ 135.135779] x5 : ffff800012561c88 x4 : ffff00097ef08c50 # [ 135.141111] x3 : 0000000000000000 x2 : 0000000000000000 # [ 135.146442] x1 : 000000000000c0de x0 : ffff800011a08000 # [ 135.151774] Call trace: # [ 135.154227] lkdtm_ACCESS_NULL+0x34/0x78 # [ 135.158161] lkdtm_do_action+0x24/0x40 # [ 135.161918] direct_entry+0xd0/0x140 # [ 135.165503] full_proxy_write+0x68/0xbc # [ 135.169349] vfs_write+0xec/0x20c # [ 135.172670] ksys_write+0x70/0x100 # [ 135.176079] __arm64_sys_write+0x24/0x30 # [ 135.180013] el0_svc_common.constprop.0+0x84/0x1e0 # [ 135.184815] do_el0_svc+0x2c/0x94 # [ 135.188137] el0_svc+0x20/0x30 # [ 135.191197] el0_sync_handler+0xb0/0xb4 # [ 135.195041] el0_sync+0x180/0x1c0 # [ 135.198367] Code: 913ea000 97ffdf68 d2981bc1 d0003de0 (f9400293) # [ 135.204477] ---[ end trace bed7bdf0de25c319 ]--- # ACCESS_NULL: saw 'call trace:': ok ok 38 selftests: lkdtm: ACCESS_NULL.sh # selftests: lkdtm: WRITE_RO.sh [ 135.656893] lkdtm: Performing direct entry WRITE_RO [ 135.661843] lkdtm: attempting bad rodata write at ffff8000114f1e48 [ 135.668126] Unable to handle kernel write to read-only memory at virtual address ffff8000114f1e48 [ 135.677228] Mem abort info: [ 135.680055] ESR = 0x9600004e [ 135.683207] EC = 0x25: DABT (current EL), IL = 32 bits [ 135.688819] SET = 0, FnV = 0 [ 135.691889] EA = 0, S1PTW = 0 [ 135.695153] Data abort info: [ 135.698085] ISV = 0, ISS = 0x0000004e [ 135.701956] CM = 0, WnR = 1 [ 135.704989] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081dc3000 [ 135.711733] [ffff8000114f1e48] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=0060000081600781 [ 135.722436] Internal error: Oops: 9600004e [#13] PREEMPT SMP [ 135.728109] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 135.737586] CPU: 1 PID: 2076 Comm: cat Tainted: G D W 5.10.154-cip19 #1 [ 135.745351] Hardware name: ARM Juno development board (r0) (DT) [ 135.751288] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 135.757320] pc : lkdtm_WRITE_RO+0x44/0x5c [ 135.761342] lr : lkdtm_WRITE_RO+0x2c/0x5c [ 135.765358] sp : ffff800015fcbcf0 [ 135.768678] x29: ffff800015fcbcf0 x28: ffff000807171880 [ 135.774012] x27: 0000000000000000 x26: 0000000000000000 [ 135.779350] x25: ffff8000114f1958 x24: ffff800015fcbe20 [ 135.784686] x23: 0000000000000009 x22: ffff000804220000 [ 135.790018] x21: ffff800011a07f48 x20: ffff8000114f1bd8 [ 135.795349] x19: ffff8000114f1000 x18: 0000000000000000 [ 135.800680] x17: 0000000000000000 x16: 0000000000000000 [ 135.806012] x15: 0000000000000030 x14: ffffffffffffffff [ 135.811343] x13: ffff800095fcb9d7 x12: ffff800015fcb9df [ 135.816674] x11: 0000000000000000 x10: ffff8000125e82d0 [ 135.822004] x9 : ffff80001012dcf4 x8 : ffff8000125902d0 [ 135.827335] x7 : ffff8000125e82d0 x6 : ffff800012561000 [ 135.832666] x5 : ffff800012561c88 x4 : ffff00097ef90c50 [ 135.837997] x3 : 0000000000000000 x2 : 00000000abcd1234 [ 135.843328] x1 : 000000000198b861 x0 : ffff800011a08e98 [ 135.848660] Call trace: [ 135.851113] lkdtm_WRITE_RO+0x44/0x5c [ 135.854787] lkdtm_do_action+0x24/0x40 [ 135.858543] direct_entry+0xd0/0x140 [ 135.862128] full_proxy_write+0x68/0xbc [ 135.865974] vfs_write+0xec/0x20c [ 135.869295] ksys_write+0x70/0x100 [ 135.872705] __arm64_sys_write+0x24/0x30 [ 135.876639] el0_svc_common.constprop.0+0x84/0x1e0 [ 135.881441] do_el0_svc+0x2c/0x94 [ 135.884763] el0_svc+0x20/0x30 [ 135.887823] el0_sync_handler+0xb0/0xb4 [ 135.891667] el0_sync+0x180/0x1c0 [ 135.894993] Code: f2b579a2 d0003de0 ca020021 913a6000 (f9072661) [ 135.901102] ---[ end trace bed7bdf0de25c31a ]--- # Segmentation fault # [ 135.656893] lkdtm: Performing direct entry WRITE_RO # [ 135.661843] lkdtm: attempting bad rodata write at ffff8000114f1e48 # [ 135.668126] Unable to handle kernel write to read-only memory at virtual address ffff8000114f1e48 # [ 135.677228] Mem abort info: # [ 135.680055] ESR = 0x9600004e # [ 135.683207] EC = 0x25: DABT (current EL), IL = 32 bits # [ 135.688819] SET = 0, FnV = 0 # [ 135.691889] EA = 0, S1PTW = 0 # [ 135.695153] Data abort info: # [ 135.698085] ISV = 0, ISS = 0x0000004e # [ 135.701956] CM = 0, WnR = 1 # [ 135.704989] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081dc3000 # [ 135.711733] [ffff8000114f1e48] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=0060000081600781 # [ 135.722436] Internal error: Oops: 9600004e [#13] PREEMPT SMP # [ 135.728109] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 135.737586] CPU: 1 PID: 2076 Comm: cat Tainted: G D W 5.10.154-cip19 #1 # [ 135.745351] Hardware name: ARM Juno development board (r0) (DT) # [ 135.751288] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 135.757320] pc : lkdtm_WRITE_RO+0x44/0x5c # [ 135.761342] lr : lkdtm_WRITE_RO+0x2c/0x5c # [ 135.765358] sp : ffff800015fcbcf0 # [ 135.768678] x29: ffff800015fcbcf0 x28: ffff000807171880 # [ 135.774012] x27: 0000000000000000 x26: 0000000000000000 # [ 135.779350] x25: ffff8000114f1958 x24: ffff800015fcbe20 # [ 135.784686] x23: 0000000000000009 x22: ffff000804220000 # [ 135.790018] x21: ffff800011a07f48 x20: ffff8000114f1bd8 # [ 135.795349] x19: ffff8000114f1000 x18: 0000000000000000 # [ 135.800680] x17: 0000000000000000 x16: 0000000000000000 # [ 135.806012] x15: 0000000000000030 x14: ffffffffffffffff # [ 135.811343] x13: ffff800095fcb9d7 x12: ffff800015fcb9df # [ 135.816674] x11: 0000000000000000 x10: ffff8000125e82d0 # [ 135.822004] x9 : ffff80001012dcf4 x8 : ffff8000125902d0 # [ 135.827335] x7 : ffff8000125e82d0 x6 : ffff800012561000 # [ 135.832666] x5 : ffff800012561c88 x4 : ffff00097ef90c50 # [ 135.837997] x3 : 0000000000000000 x2 : 00000000abcd1234 # [ 135.843328] x1 : 000000000198b861 x0 : ffff800011a08e98 # [ 135.848660] Call trace: # [ 135.851113] lkdtm_WRITE_RO+0x44/0x5c # [ 135.854787] lkdtm_do_action+0x24/0x40 # [ 135.858543] direct_entry+0xd0/0x140 # [ 135.862128] full_proxy_write+0x68/0xbc # [ 135.865974] vfs_write+0xec/0x20c # [ 135.869295] ksys_write+0x70/0x100 # [ 135.872705] __arm64_sys_write+0x24/0x30 # [ 135.876639] el0_svc_common.constprop.0+0x84/0x1e0 # [ 135.881441] do_el0_svc+0x2c/0x94 # [ 135.884763] el0_svc+0x20/0x30 # [ 135.887823] el0_sync_handler+0xb0/0xb4 # [ 135.891667] el0_sync+0x180/0x1c0 # [ 135.894993] Code: f2b579a2 d0003de0 ca020021 913a6000 (f9072661) # [ 135.901102] ---[ end trace bed7bdf0de25c31a ]--- # WRITE_RO: saw 'call trace:': ok ok 39 selftests: lkdtm: WRITE_RO.sh # selftests: lkdtm: WRITE_RO_AFTER_INIT.sh [ 136.377001] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT [ 136.382919] lkdtm: attempting bad ro_after_init write at ffff800011ada5c8 [ 136.389804] Unable to handle kernel write to read-only memory at virtual address ffff800011ada5c8 [ 136.398834] Mem abort info: [ 136.401784] ESR = 0x9600004f [ 136.404898] EC = 0x25: DABT (current EL), IL = 32 bits [ 136.410276] SET = 0, FnV = 0 [ 136.413382] EA = 0, S1PTW = 0 [ 136.416536] Data abort info: [ 136.419450] ISV = 0, ISS = 0x0000004f [ 136.423316] CM = 0, WnR = 1 [ 136.426315] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081dc3000 [ 136.433054] [ffff800011ada5c8] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=00000009ffffc003, pte=0060000081cda783 [ 136.445675] Internal error: Oops: 9600004f [#14] PREEMPT SMP [ 136.451353] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 136.460834] CPU: 2 PID: 2121 Comm: cat Tainted: G D W 5.10.154-cip19 #1 [ 136.468596] Hardware name: ARM Juno development board (r0) (DT) [ 136.474533] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 136.480561] pc : lkdtm_WRITE_RO_AFTER_INIT+0x68/0x80 [ 136.485539] lr : lkdtm_WRITE_RO_AFTER_INIT+0x50/0x80 [ 136.490512] sp : ffff800016093cf0 [ 136.493838] x29: ffff800016093cf0 x28: ffff000807be3100 [ 136.499176] x27: 0000000000000000 x26: 0000000000000000 [ 136.504511] x25: ffff8000114f1958 x24: ffff800016093e20 [ 136.509842] x23: 0000000000000014 x22: ffff000803f13000 [ 136.515173] x21: ffff800011a07f58 x20: ffff8000114f1be8 [ 136.520504] x19: ffff800011ada000 x18: 0000000000000000 [ 136.525835] x17: 0000000000000000 x16: 0000000000000000 [ 136.531165] x15: 0000000000000030 x14: ffffffffffffffff [ 136.536496] x13: ffff8000960939d7 x12: ffff8000160939df [ 136.541827] x11: 0000000000000018 x10: ffff8000125e82d0 [ 136.547158] x9 : ffff80001012dcf4 x8 : ffff8000125902d0 [ 136.552489] x7 : ffff8000125e82d0 x6 : ffff800012561000 [ 136.557820] x5 : ffff800012561c88 x4 : ffff00097efb2c50 [ 136.563151] x3 : 0000000000000000 x2 : 00000000abcd1234 [ 136.568482] x1 : 00000000fe67479e x0 : ffff800011a08e98 [ 136.573813] Call trace: [ 136.576266] lkdtm_WRITE_RO_AFTER_INIT+0x68/0x80 [ 136.580895] lkdtm_do_action+0x24/0x40 [ 136.584651] direct_entry+0xd0/0x140 [ 136.588235] full_proxy_write+0x68/0xbc [ 136.592080] vfs_write+0xec/0x20c [ 136.595401] ksys_write+0x70/0x100 [ 136.598810] __arm64_sys_write+0x24/0x30 [ 136.602743] el0_svc_common.constprop.0+0x84/0x1e0 [ 136.607545] do_el0_svc+0x2c/0x94 [ 136.610866] el0_svc+0x20/0x30 [ 136.613927] el0_sync_handler+0xb0/0xb4 [ 136.617771] el0_sync+0x180/0x1c0 [ 136.621096] Code: f2b579a2 d0003de0 ca020021 913a6000 (f902e661) [ 136.627206] ---[ end trace bed7bdf0de25c31b ]--- # Segmentation fault # [ 136.377001] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT # [ 136.382919] lkdtm: attempting bad ro_after_init write at ffff800011ada5c8 # [ 136.389804] Unable to handle kernel write to read-only memory at virtual address ffff800011ada5c8 # [ 136.398834] Mem abort info: # [ 136.401784] ESR = 0x9600004f # [ 136.404898] EC = 0x25: DABT (current EL), IL = 32 bits # [ 136.410276] SET = 0, FnV = 0 # [ 136.413382] EA = 0, S1PTW = 0 # [ 136.416536] Data abort info: # [ 136.419450] ISV = 0, ISS = 0x0000004f # [ 136.423316] CM = 0, WnR = 1 # [ 136.426315] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081dc3000 # [ 136.433054] [ffff800011ada5c8] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=00000009ffffc003, pte=0060000081cda783 # [ 136.445675] Internal error: Oops: 9600004f [#14] PREEMPT SMP # [ 136.451353] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 136.460834] CPU: 2 PID: 2121 Comm: cat Tainted: G D W 5.10.154-cip19 #1 # [ 136.468596] Hardware name: ARM Juno development board (r0) (DT) # [ 136.474533] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 136.480561] pc : lkdtm_WRITE_RO_AFTER_INIT+0x68/0x80 # [ 136.485539] lr : lkdtm_WRITE_RO_AFTER_INIT+0x50/0x80 # [ 136.490512] sp : ffff800016093cf0 # [ 136.493838] x29: ffff800016093cf0 x28: ffff000807be3100 # [ 136.499176] x27: 0000000000000000 x26: 0000000000000000 # [ 136.504511] x25: ffff8000114f1958 x24: ffff800016093e20 # [ 136.509842] x23: 0000000000000014 x22: ffff000803f13000 # [ 136.515173] x21: ffff800011a07f58 x20: ffff8000114f1be8 # [ 136.520504] x19: ffff800011ada000 x18: 0000000000000000 # [ 136.525835] x17: 0000000000000000 x16: 0000000000000000 # [ 136.531165] x15: 0000000000000030 x14: ffffffffffffffff # [ 136.536496] x13: ffff8000960939d7 x12: ffff8000160939df # [ 136.541827] x11: 0000000000000018 x10: ffff8000125e82d0 # [ 136.547158] x9 : ffff80001012dcf4 x8 : ffff8000125902d0 # [ 136.552489] x7 : ffff8000125e82d0 x6 : ffff800012561000 # [ 136.557820] x5 : ffff800012561c88 x4 : ffff00097efb2c50 # [ 136.563151] x3 : 0000000000000000 x2 : 00000000abcd1234 # [ 136.568482] x1 : 00000000fe67479e x0 : ffff800011a08e98 # [ 136.573813] Call trace: # [ 136.576266] lkdtm_WRITE_RO_AFTER_INIT+0x68/0x80 # [ 136.580895] lkdtm_do_action+0x24/0x40 # [ 136.584651] direct_entry+0xd0/0x140 # [ 136.588235] full_proxy_write+0x68/0xbc # [ 136.592080] vfs_write+0xec/0x20c # [ 136.595401] ksys_write+0x70/0x100 # [ 136.598810] __arm64_sys_write+0x24/0x30 # [ 136.602743] el0_svc_common.constprop.0+0x84/0x1e0 # [ 136.607545] do_el0_svc+0x2c/0x94 # [ 136.610866] el0_svc+0x20/0x30 # [ 136.613927] el0_sync_handler+0xb0/0xb4 # [ 136.617771] el0_sync+0x180/0x1c0 # [ 136.621096] Code: f2b579a2 d0003de0 ca020021 913a6000 (f902e661) # [ 136.627206] ---[ end trace bed7bdf0de25c31b ]--- # WRITE_RO_AFTER_INIT: saw 'call trace:': ok ok 40 selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # selftests: lkdtm: WRITE_KERN.sh [ 137.081859] lkdtm: Performing direct entry WRITE_KERN [ 137.086986] lkdtm: attempting bad 8621256 byte write at ffff80001124a5f8 [ 137.093788] Unable to handle kernel write to read-only memory at virtual address ffff80001124a5f8 [ 137.102741] Mem abort info: [ 137.105666] ESR = 0x9600004f [ 137.108803] EC = 0x25: DABT (current EL), IL = 32 bits [ 137.114383] SET = 0, FnV = 0 [ 137.117543] EA = 0, S1PTW = 0 [ 137.120716] Data abort info: [ 137.123609] ISV = 0, ISS = 0x0000004f [ 137.127481] CM = 0, WnR = 1 [ 137.130478] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081dc3000 [ 137.137221] [ffff80001124a5f8] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=00000009ffffd003, pte=005000008144a783 [ 137.149845] Internal error: Oops: 9600004f [#15] PREEMPT SMP [ 137.155520] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 137.164996] CPU: 2 PID: 2166 Comm: cat Tainted: G D W 5.10.154-cip19 #1 [ 137.172760] Hardware name: ARM Juno development board (r0) (DT) [ 137.178699] pstate: 20000005 (nzCv daif -PAN -UAO -TCO BTYPE=--) [ 137.184727] pc : __memcpy+0x110/0x180 [ 137.188406] lr : lkdtm_WRITE_KERN+0x54/0x88 [ 137.192603] sp : ffff800016123ce0 [ 137.195928] x29: ffff800016123ce0 x28: ffff000803edb100 [ 137.201267] x27: 0000000000000000 x26: 0000000000000000 [ 137.206603] x25: ffff8000114f1958 x24: ffff800016123e20 [ 137.211936] x23: 000000000000000b x22: ffff00080583a000 [ 137.217267] x21: 0000000000838cc8 x20: ffff800010a11930 [ 137.222598] x19: ffff80001124a5f8 x18: 0000000000000001 [ 137.227929] x17: 0000000000000000 x16: 0000000000000000 [ 137.233260] x15: 0000000000000030 x14: f9000fe097e4e3c6 [ 137.238591] x13: f947e800910003fd x12: 52819801d2800802 [ 137.243922] x11: a9be7bfdd0008620 x10: d503233fd503201f [ 137.249253] x9 : aa1e03e9d65f03c0 x8 : d50323bfd503233f [ 137.254583] x7 : d503201faa1e03e9 x6 : ffff80001124a5f8 [ 137.259914] x5 : ffff800012561c88 x4 : 0000000000000000 [ 137.265245] x3 : 0000000000000000 x2 : 0000000000838c48 [ 137.270576] x1 : ffff800010a11970 x0 : ffff80001124a5f8 [ 137.275907] Call trace: [ 137.278362] __memcpy+0x110/0x180 [ 137.281685] lkdtm_do_action+0x24/0x40 [ 137.285442] direct_entry+0xd0/0x140 [ 137.289025] full_proxy_write+0x68/0xbc [ 137.292871] vfs_write+0xec/0x20c [ 137.296192] ksys_write+0x70/0x100 [ 137.299600] __arm64_sys_write+0x24/0x30 [ 137.303534] el0_svc_common.constprop.0+0x84/0x1e0 [ 137.308336] do_el0_svc+0x2c/0x94 [ 137.311657] el0_svc+0x20/0x30 [ 137.314717] el0_sync_handler+0xb0/0xb4 [ 137.318561] el0_sync+0x180/0x1c0 [ 137.321887] Code: a8c12027 a8c12829 a8c1302b a8c1382d (a88120c7) [ 137.327996] ---[ end trace bed7bdf0de25c31c ]--- # Segmentation fault # [ 137.081859] lkdtm: Performing direct entry WRITE_KERN # [ 137.086986] lkdtm: attempting bad 8621256 byte write at ffff80001124a5f8 # [ 137.093788] Unable to handle kernel write to read-only memory at virtual address ffff80001124a5f8 # [ 137.102741] Mem abort info: # [ 137.105666] ESR = 0x9600004f # [ 137.108803] EC = 0x25: DABT (current EL), IL = 32 bits # [ 137.114383] SET = 0, FnV = 0 # [ 137.117543] EA = 0, S1PTW = 0 # [ 137.120716] Data abort info: # [ 137.123609] ISV = 0, ISS = 0x0000004f # [ 137.127481] CM = 0, WnR = 1 # [ 137.130478] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081dc3000 # [ 137.137221] [ffff80001124a5f8] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=00000009ffffd003, pte=005000008144a783 # [ 137.149845] Internal error: Oops: 9600004f [#15] PREEMPT SMP # [ 137.155520] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 137.164996] CPU: 2 PID: 2166 Comm: cat Tainted: G D W 5.10.154-cip19 #1 # [ 137.172760] Hardware name: ARM Juno development board (r0) (DT) # [ 137.178699] pstate: 20000005 (nzCv daif -PAN -UAO -TCO BTYPE=--) # [ 137.184727] pc : __memcpy+0x110/0x180 # [ 137.188406] lr : lkdtm_WRITE_KERN+0x54/0x88 # [ 137.192603] sp : ffff800016123ce0 # [ 137.195928] x29: ffff800016123ce0 x28: ffff000803edb100 # [ 137.201267] x27: 0000000000000000 x26: 0000000000000000 # [ 137.206603] x25: ffff8000114f1958 x24: ffff800016123e20 # [ 137.211936] x23: 000000000000000b x22: ffff00080583a000 # [ 137.217267] x21: 0000000000838cc8 x20: ffff800010a11930 # [ 137.222598] x19: ffff80001124a5f8 x18: 0000000000000001 # [ 137.227929] x17: 0000000000000000 x16: 0000000000000000 # [ 137.233260] x15: 0000000000000030 x14: f9000fe097e4e3c6 # [ 137.238591] x13: f947e800910003fd x12: 52819801d2800802 # [ 137.243922] x11: a9be7bfdd0008620 x10: d503233fd503201f # [ 137.249253] x9 : aa1e03e9d65f03c0 x8 : d50323bfd503233f # [ 137.254583] x7 : d503201faa1e03e9 x6 : ffff80001124a5f8 # [ 137.259914] x5 : ffff800012561c88 x4 : 0000000000000000 # [ 137.265245] x3 : 0000000000000000 x2 : 0000000000838c48 # [ 137.270576] x1 : ffff800010a11970 x0 : ffff80001124a5f8 # [ 137.275907] Call trace: # [ 137.278362] __memcpy+0x110/0x180 # [ 137.281685] lkdtm_do_action+0x24/0x40 # [ 137.285442] direct_entry+0xd0/0x140 # [ 137.289025] full_proxy_write+0x68/0xbc # [ 137.292871] vfs_write+0xec/0x20c # [ 137.296192] ksys_write+0x70/0x100 # [ 137.299600] __arm64_sys_write+0x24/0x30 # [ 137.303534] el0_svc_common.constprop.0+0x84/0x1e0 # [ 137.308336] do_el0_svc+0x2c/0x94 # [ 137.311657] el0_svc+0x20/0x30 # [ 137.314717] el0_sync_handler+0xb0/0xb4 # [ 137.318561] el0_sync+0x180/0x1c0 # [ 137.321887] Code: a8c12027 a8c12829 a8c1302b a8c1382d (a88120c7) # [ 137.327996] ---[ end trace bed7bdf0de25c31c ]--- # WRITE_KERN: saw 'call trace:': ok ok 41 selftests: lkdtm: WRITE_KERN.sh # selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh [ 137.768170] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW [ 137.774274] lkdtm: attempting good refcount_inc() without overflow [ 137.780603] lkdtm: attempting bad refcount_inc() overflow [ 137.786100] ------------[ cut here ]------------ [ 137.791057] refcount_t: saturated; leaking memory. [ 137.796172] WARNING: CPU: 1 PID: 2211 at lib/refcount.c:22 refcount_warn_saturate+0x74/0x144 [ 137.804631] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 137.814108] CPU: 1 PID: 2211 Comm: cat Tainted: G D W 5.10.154-cip19 #1 [ 137.821867] Hardware name: ARM Juno development board (r0) (DT) [ 137.827801] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 137.833821] pc : refcount_warn_saturate+0x74/0x144 [ 137.838622] lr : refcount_warn_saturate+0x74/0x144 [ 137.843421] sp : ffff8000161cbcd0 [ 137.846741] x29: ffff8000161cbcd0 x28: ffff000803ed8000 [ 137.852074] x27: 0000000000000000 x26: 0000000000000000 [ 137.857407] x25: ffff8000114f1958 x24: ffff8000161cbe20 [ 137.862738] x23: 0000000000000016 x22: ffff00080473f000 [ 137.868070] x21: ffff800011a07f80 x20: ffff8000114f1c08 [ 137.873401] x19: 000000000000002b x18: 0000000000000000 [ 137.878733] x17: 0000000000000000 x16: 0000000000000000 [ 137.884064] x15: 0000000000000000 x14: ffff00080028e200 [ 137.889396] x13: ffff80096d16e000 x12: 0000000030d4d91d [ 137.894727] x11: 0000000000000000 x10: 0000000000001440 [ 137.900059] x9 : ffff80001012dcf4 x8 : ffff00097efd97c0 [ 137.905390] x7 : ffff000803ed8000 x6 : ffff800012561000 [ 137.910721] x5 : ffff800012561c88 x4 : ffff00097ef2ac50 [ 137.916053] x3 : 0000000000000000 x2 : 0000000000000000 [ 137.921384] x1 : 0000000000000000 x0 : ffff000803ed8000 [ 137.926717] Call trace: [ 137.929169] refcount_warn_saturate+0x74/0x144 [ 137.933625] __refcount_add.constprop.0+0x6c/0x80 [ 137.938342] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0xa0 [ 137.943143] lkdtm_do_action+0x24/0x40 [ 137.946898] direct_entry+0xd0/0x140 [ 137.950482] full_proxy_write+0x68/0xbc [ 137.954327] vfs_write+0xec/0x20c [ 137.957648] ksys_write+0x70/0x100 [ 137.961057] __arm64_sys_write+0x24/0x30 [ 137.964990] el0_svc_common.constprop.0+0x84/0x1e0 [ 137.969792] do_el0_svc+0x2c/0x94 [ 137.973114] el0_svc+0x20/0x30 [ 137.976174] el0_sync_handler+0xb0/0xb4 [ 137.980018] el0_sync+0x180/0x1c0 [ 137.983339] irq event stamp: 0 [ 137.986401] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 137.992686] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 [ 138.000883] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 [ 138.009077] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 138.015356] ---[ end trace bed7bdf0de25c31d ]--- [ 138.020125] lkdtm: Overflow detected: saturated # [ 137.768170] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW # [ 137.774274] lkdtm: attempting good refcount_inc() without overflow # [ 137.780603] lkdtm: attempting bad refcount_inc() overflow # [ 137.786100] ------------[ cut here ]------------ # [ 137.791057] refcount_t: saturated; leaking memory. # [ 137.796172] WARNING: CPU: 1 PID: 2211 at lib/refcount.c:22 refcount_warn_saturate+0x74/0x144 # [ 137.804631] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 137.814108] CPU: 1 PID: 2211 Comm: cat Tainted: G D W 5.10.154-cip19 #1 # [ 137.821867] Hardware name: ARM Juno development board (r0) (DT) # [ 137.827801] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 137.833821] pc : refcount_warn_saturate+0x74/0x144 # [ 137.838622] lr : refcount_warn_saturate+0x74/0x144 # [ 137.843421] sp : ffff8000161cbcd0 # [ 137.846741] x29: ffff8000161cbcd0 x28: ffff000803ed8000 # [ 137.852074] x27: 0000000000000000 x26: 0000000000000000 # [ 137.857407] x25: ffff8000114f1958 x24: ffff8000161cbe20 # [ 137.862738] x23: 0000000000000016 x22: ffff00080473f000 # [ 137.868070] x21: ffff800011a07f80 x20: ffff8000114f1c08 # [ 137.873401] x19: 000000000000002b x18: 0000000000000000 # [ 137.878733] x17: 0000000000000000 x16: 0000000000000000 # [ 137.884064] x15: 0000000000000000 x14: ffff00080028e200 # [ 137.889396] x13: ffff80096d16e000 x12: 0000000030d4d91d # [ 137.894727] x11: 0000000000000000 x10: 0000000000001440 # [ 137.900059] x9 : ffff80001012dcf4 x8 : ffff00097efd97c0 # [ 137.905390] x7 : ffff000803ed8000 x6 : ffff800012561000 # [ 137.910721] x5 : ffff800012561c88 x4 : ffff00097ef2ac50 # [ 137.916053] x3 : 0000000000000000 x2 : 0000000000000000 # [ 137.921384] x1 : 0000000000000000 x0 : ffff000803ed8000 # [ 137.926717] Call trace: # [ 137.929169] refcount_warn_saturate+0x74/0x144 # [ 137.933625] __refcount_add.constprop.0+0x6c/0x80 # [ 137.938342] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0xa0 # [ 137.943143] lkdtm_do_action+0x24/0x40 # [ 137.946898] direct_entry+0xd0/0x140 # [ 137.950482] full_proxy_write+0x68/0xbc # [ 137.954327] vfs_write+0xec/0x20c # [ 137.957648] ksys_write+0x70/0x100 # [ 137.961057] __arm64_sys_write+0x24/0x30 # [ 137.964990] el0_svc_common.constprop.0+0x84/0x1e0 # [ 137.969792] do_el0_svc+0x2c/0x94 # [ 137.973114] el0_svc+0x20/0x30 # [ 137.976174] el0_sync_handler+0xb0/0xb4 # [ 137.980018] el0_sync+0x180/0x1c0 # [ 137.983339] irq event stamp: 0 # [ 137.986401] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 137.992686] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 # [ 138.000883] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 # [ 138.009077] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 138.015356] ---[ end trace bed7bdf0de25c31d ]--- # [ 138.020125] 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 [ 138.465256] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW [ 138.471348] lkdtm: attempting good refcount_add() without overflow [ 138.477615] lkdtm: attempting bad refcount_add() overflow [ 138.483085] ------------[ cut here ]------------ [ 138.487839] refcount_t: saturated; leaking memory. [ 138.492808] WARNING: CPU: 4 PID: 2243 at lib/refcount.c:22 refcount_warn_saturate+0x74/0x144 [ 138.501269] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 138.510771] CPU: 4 PID: 2243 Comm: cat Tainted: G D W 5.10.154-cip19 #1 [ 138.518534] Hardware name: ARM Juno development board (r0) (DT) [ 138.524474] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 138.530499] pc : refcount_warn_saturate+0x74/0x144 [ 138.535305] lr : refcount_warn_saturate+0x74/0x144 [ 138.540109] sp : ffff800016273cd0 [ 138.543433] x29: ffff800016273cd0 x28: ffff000803edc980 [ 138.548775] x27: 0000000000000000 x26: 0000000000000000 [ 138.554115] x25: ffff8000114f1958 x24: ffff800016273e20 [ 138.559456] x23: 0000000000000016 x22: ffff0008028e3000 [ 138.564796] x21: ffff800011a07f98 x20: ffff8000114f1c18 [ 138.570137] x19: 000000000000002c x18: 0000000000000000 [ 138.575477] x17: 0000000000000000 x16: 0000000000000000 [ 138.580817] x15: 0000000000000030 x14: ffffffffffffffff [ 138.586158] x13: ffff800096273977 x12: ffff80001627397f [ 138.591498] x11: 0000000000000028 x10: ffff8000125e82d0 [ 138.596838] x9 : ffff80001012dcf4 x8 : ffff8000125902d0 [ 138.602178] x7 : ffff8000125e82d0 x6 : ffff800012561000 [ 138.607519] x5 : ffff800012561c88 x4 : ffff00097ef90c50 [ 138.612859] x3 : 0000000000000000 x2 : 0000000000000000 [ 138.618199] x1 : 0000000000000000 x0 : ffff000803edc980 [ 138.623539] Call trace: [ 138.625997] refcount_warn_saturate+0x74/0x144 [ 138.630459] __refcount_add.constprop.0+0x6c/0x80 [ 138.635181] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7c/0xac [ 138.639988] lkdtm_do_action+0x24/0x40 [ 138.643750] direct_entry+0xd0/0x140 [ 138.647338] full_proxy_write+0x68/0xbc [ 138.651189] vfs_write+0xec/0x20c [ 138.654517] ksys_write+0x70/0x100 [ 138.657931] __arm64_sys_write+0x24/0x30 [ 138.661871] el0_svc_common.constprop.0+0x84/0x1e0 [ 138.666679] do_el0_svc+0x2c/0x94 [ 138.670007] el0_svc+0x20/0x30 [ 138.673072] el0_sync_handler+0xb0/0xb4 [ 138.676922] el0_sync+0x180/0x1c0 [ 138.680247] irq event stamp: 0 [ 138.683317] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 138.689607] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 [ 138.697812] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 [ 138.706013] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 138.712296] ---[ end trace bed7bdf0de25c31e ]--- [ 138.717220] lkdtm: Overflow detected: saturated # [ 138.465256] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW # [ 138.471348] lkdtm: attempting good refcount_add() without overflow # [ 138.477615] lkdtm: attempting bad refcount_add() overflow # [ 138.483085] ------------[ cut here ]------------ # [ 138.487839] refcount_t: saturated; leaking memory. # [ 138.492808] WARNING: CPU: 4 PID: 2243 at lib/refcount.c:22 refcount_warn_saturate+0x74/0x144 # [ 138.501269] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 138.510771] CPU: 4 PID: 2243 Comm: cat Tainted: G D W 5.10.154-cip19 #1 # [ 138.518534] Hardware name: ARM Juno development board (r0) (DT) # [ 138.524474] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 138.530499] pc : refcount_warn_saturate+0x74/0x144 # [ 138.535305] lr : refcount_warn_saturate+0x74/0x144 # [ 138.540109] sp : ffff800016273cd0 # [ 138.543433] x29: ffff800016273cd0 x28: ffff000803edc980 # [ 138.548775] x27: 0000000000000000 x26: 0000000000000000 # [ 138.554115] x25: ffff8000114f1958 x24: ffff800016273e20 # [ 138.559456] x23: 0000000000000016 x22: ffff0008028e3000 # [ 138.564796] x21: ffff800011a07f98 x20: ffff8000114f1c18 # [ 138.570137] x19: 000000000000002c x18: 0000000000000000 # [ 138.575477] x17: 0000000000000000 x16: 0000000000000000 # [ 138.580817] x15: 0000000000000030 x14: ffffffffffffffff # [ 138.586158] x13: ffff800096273977 x12: ffff80001627397f # [ 138.591498] x11: 0000000000000028 x10: ffff8000125e82d0 # [ 138.596838] x9 : ffff80001012dcf4 x8 : ffff8000125902d0 # [ 138.602178] x7 : ffff8000125e82d0 x6 : ffff800012561000 # [ 138.607519] x5 : ffff800012561c88 x4 : ffff00097ef90c50 # [ 138.612859] x3 : 0000000000000000 x2 : 0000000000000000 # [ 138.618199] x1 : 0000000000000000 x0 : ffff000803edc980 # [ 138.623539] Call trace: # [ 138.625997] refcount_warn_saturate+0x74/0x144 # [ 138.630459] __refcount_add.constprop.0+0x6c/0x80 # [ 138.635181] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7c/0xac # [ 138.639988] lkdtm_do_action+0x24/0x40 # [ 138.643750] direct_entry+0xd0/0x140 # [ 138.647338] full_proxy_write+0x68/0xbc # [ 138.651189] vfs_write+0xec/0x20c # [ 138.654517] ksys_write+0x70/0x100 # [ 138.657931] __arm64_sys_write+0x24/0x30 # [ 138.661871] el0_svc_common.constprop.0+0x84/0x1e0 # [ 138.666679] do_el0_svc+0x2c/0x94 # [ 138.670007] el0_svc+0x20/0x30 # [ 138.673072] el0_sync_handler+0xb0/0xb4 # [ 138.676922] el0_sync+0x180/0x1c0 # [ 138.680247] irq event stamp: 0 # [ 138.683317] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 138.689607] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 # [ 138.697812] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 # [ 138.706013] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 138.712296] ---[ end trace bed7bdf0de25c31e ]--- # [ 138.717220] 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 [ 139.155897] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW [ 139.162788] lkdtm: attempting bad refcount_inc_not_zero() overflow [ 139.169070] ------------[ cut here ]------------ [ 139.173756] refcount_t: saturated; leaking memory. [ 139.178751] WARNING: CPU: 5 PID: 2275 at lib/refcount.c:19 refcount_warn_saturate+0xc8/0x144 [ 139.187212] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 139.196715] CPU: 5 PID: 2275 Comm: cat Tainted: G D W 5.10.154-cip19 #1 [ 139.204478] Hardware name: ARM Juno development board (r0) (DT) [ 139.210418] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 139.216444] pc : refcount_warn_saturate+0xc8/0x144 [ 139.221251] lr : refcount_warn_saturate+0xc8/0x144 [ 139.226054] sp : ffff8000162f3cb0 [ 139.229378] x29: ffff8000162f3cb0 x28: ffff000807be6200 [ 139.234719] x27: 0000000000000000 x26: 0000000000000000 [ 139.240060] x25: ffff8000114f1958 x24: ffff8000162f3e20 [ 139.245400] x23: 000000000000001f x22: ffff000800cfa000 [ 139.250740] x21: 0000000000000001 x20: 000000007fffffff [ 139.256080] x19: ffff8000162f3d04 x18: 0000000000000000 [ 139.261420] x17: 0000000000000000 x16: 0000000000000000 [ 139.266760] x15: 0000000000000030 x14: ffffffffffffffff [ 139.272101] x13: ffff8000962f3957 x12: ffff8000162f395f [ 139.277441] x11: 0000000000000030 x10: 0000000000001440 [ 139.282782] x9 : ffff80001012dcf4 x8 : ffff000807be76a0 [ 139.288122] x7 : 0000000000000000 x6 : ffff800012561000 [ 139.293462] x5 : ffff800012561c88 x4 : ffff00097efb2c50 [ 139.298802] x3 : 0000000000000000 x2 : 0000000000000000 [ 139.304142] x1 : 0000000000000000 x0 : ffff000807be6200 [ 139.309482] Call trace: [ 139.311940] refcount_warn_saturate+0xc8/0x144 [ 139.316402] __refcount_add_not_zero.constprop.0+0x84/0xa0 [ 139.321907] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x48/0x8c [ 139.327499] lkdtm_do_action+0x24/0x40 [ 139.331261] direct_entry+0xd0/0x140 [ 139.334850] full_proxy_write+0x68/0xbc [ 139.338701] vfs_write+0xec/0x20c [ 139.342028] ksys_write+0x70/0x100 [ 139.345443] __arm64_sys_write+0x24/0x30 [ 139.349383] el0_svc_common.constprop.0+0x84/0x1e0 [ 139.354191] do_el0_svc+0x2c/0x94 [ 139.357518] el0_svc+0x20/0x30 [ 139.360584] el0_sync_handler+0xb0/0xb4 [ 139.364434] el0_sync+0x180/0x1c0 [ 139.367759] irq event stamp: 0 [ 139.370828] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 139.377120] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 [ 139.385323] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 [ 139.393525] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 139.399808] ---[ end trace bed7bdf0de25c31f ]--- [ 139.404642] lkdtm: Overflow detected: saturated # [ 139.155897] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 139.162788] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 139.169070] ------------[ cut here ]------------ # [ 139.173756] refcount_t: saturated; leaking memory. # [ 139.178751] WARNING: CPU: 5 PID: 2275 at lib/refcount.c:19 refcount_warn_saturate+0xc8/0x144 # [ 139.187212] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 139.196715] CPU: 5 PID: 2275 Comm: cat Tainted: G D W 5.10.154-cip19 #1 # [ 139.204478] Hardware name: ARM Juno development board (r0) (DT) # [ 139.210418] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 139.216444] pc : refcount_warn_saturate+0xc8/0x144 # [ 139.221251] lr : refcount_warn_saturate+0xc8/0x144 # [ 139.226054] sp : ffff8000162f3cb0 # [ 139.229378] x29: ffff8000162f3cb0 x28: ffff000807be6200 # [ 139.234719] x27: 0000000000000000 x26: 0000000000000000 # [ 139.240060] x25: ffff8000114f1958 x24: ffff8000162f3e20 # [ 139.245400] x23: 000000000000001f x22: ffff000800cfa000 # [ 139.250740] x21: 0000000000000001 x20: 000000007fffffff # [ 139.256080] x19: ffff8000162f3d04 x18: 0000000000000000 # [ 139.261420] x17: 0000000000000000 x16: 0000000000000000 # [ 139.266760] x15: 0000000000000030 x14: ffffffffffffffff # [ 139.272101] x13: ffff8000962f3957 x12: ffff8000162f395f # [ 139.277441] x11: 0000000000000030 x10: 0000000000001440 # [ 139.282782] x9 : ffff80001012dcf4 x8 : ffff000807be76a0 # [ 139.288122] x7 : 0000000000000000 x6 : ffff800012561000 # [ 139.293462] x5 : ffff800012561c88 x4 : ffff00097efb2c50 # [ 139.298802] x3 : 0000000000000000 x2 : 0000000000000000 # [ 139.304142] x1 : 0000000000000000 x0 : ffff000807be6200 # [ 139.309482] Call trace: # [ 139.311940] refcount_warn_saturate+0xc8/0x144 # [ 139.316402] __refcount_add_not_zero.constprop.0+0x84/0xa0 # [ 139.321907] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x48/0x8c # [ 139.327499] lkdtm_do_action+0x24/0x40 # [ 139.331261] direct_entry+0xd0/0x140 # [ 139.334850] full_proxy_write+0x68/0xbc # [ 139.338701] vfs_write+0xec/0x20c # [ 139.342028] ksys_write+0x70/0x100 # [ 139.345443] __arm64_sys_write+0x24/0x30 # [ 139.349383] el0_svc_common.constprop.0+0x84/0x1e0 # [ 139.354191] do_el0_svc+0x2c/0x94 # [ 139.357518] el0_svc+0x20/0x30 # [ 139.360584] el0_sync_handler+0xb0/0xb4 # [ 139.364434] el0_sync+0x180/0x1c0 # [ 139.367759] irq event stamp: 0 # [ 139.370828] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 139.377120] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 # [ 139.385323] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 # [ 139.393525] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 139.399808] ---[ end trace bed7bdf0de25c31f ]--- # [ 139.404642] 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 [ 139.874583] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW [ 139.881459] lkdtm: attempting bad refcount_add_not_zero() overflow [ 139.887791] ------------[ cut here ]------------ [ 139.892503] refcount_t: saturated; leaking memory. [ 139.897593] WARNING: CPU: 5 PID: 2307 at lib/refcount.c:19 refcount_warn_saturate+0xc8/0x144 [ 139.906055] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 139.915558] CPU: 5 PID: 2307 Comm: cat Tainted: G D W 5.10.154-cip19 #1 [ 139.923320] Hardware name: ARM Juno development board (r0) (DT) [ 139.929260] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 139.935286] pc : refcount_warn_saturate+0xc8/0x144 [ 139.940093] lr : refcount_warn_saturate+0xc8/0x144 [ 139.944897] sp : ffff800016393cb0 [ 139.948221] x29: ffff800016393cb0 x28: ffff000802831880 [ 139.953563] x27: 0000000000000000 x26: 0000000000000000 [ 139.958903] x25: ffff8000114f1958 x24: ffff800016393e20 [ 139.964244] x23: 000000000000001f x22: ffff0008028a9000 [ 139.969584] x21: 0000000000000006 x20: 000000007fffffff [ 139.974925] x19: ffff800016393d04 x18: 0000000000000000 [ 139.980265] x17: 0000000000000000 x16: 0000000000000000 [ 139.985605] x15: 0000000000000030 x14: ffffffffffffffff [ 139.990945] x13: ffff800096393957 x12: ffff80001639395f [ 139.996285] x11: 0000000000000030 x10: ffff8000125e82d0 [ 140.001626] x9 : ffff80001012dcf4 x8 : ffff8000125902d0 [ 140.006967] x7 : ffff8000125e82d0 x6 : ffff800012561000 [ 140.012307] x5 : ffff800012561c88 x4 : ffff00097efb2c50 [ 140.017647] x3 : 0000000000000000 x2 : 0000000000000000 [ 140.022987] x1 : 0000000000000000 x0 : ffff000802831880 [ 140.028327] Call trace: [ 140.030785] refcount_warn_saturate+0xc8/0x144 [ 140.035247] __refcount_add_not_zero.constprop.0+0x84/0xa0 [ 140.040751] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x48/0x8c [ 140.046343] lkdtm_do_action+0x24/0x40 [ 140.050104] direct_entry+0xd0/0x140 [ 140.053694] full_proxy_write+0x68/0xbc [ 140.057545] vfs_write+0xec/0x20c [ 140.060872] ksys_write+0x70/0x100 [ 140.064286] __arm64_sys_write+0x24/0x30 [ 140.068225] el0_svc_common.constprop.0+0x84/0x1e0 [ 140.073033] do_el0_svc+0x2c/0x94 [ 140.076361] el0_svc+0x20/0x30 [ 140.079426] el0_sync_handler+0xb0/0xb4 [ 140.083276] el0_sync+0x180/0x1c0 [ 140.086601] irq event stamp: 0 [ 140.089670] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 140.095961] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 [ 140.104166] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 [ 140.112366] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 140.118650] ---[ end trace bed7bdf0de25c320 ]--- [ 140.123468] lkdtm: Overflow detected: saturated # [ 139.874583] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 139.881459] lkdtm: attempting bad refcount_add_not_zero() overflow # [ 139.887791] ------------[ cut here ]------------ # [ 139.892503] refcount_t: saturated; leaking memory. # [ 139.897593] WARNING: CPU: 5 PID: 2307 at lib/refcount.c:19 refcount_warn_saturate+0xc8/0x144 # [ 139.906055] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 139.915558] CPU: 5 PID: 2307 Comm: cat Tainted: G D W 5.10.154-cip19 #1 # [ 139.923320] Hardware name: ARM Juno development board (r0) (DT) # [ 139.929260] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 139.935286] pc : refcount_warn_saturate+0xc8/0x144 # [ 139.940093] lr : refcount_warn_saturate+0xc8/0x144 # [ 139.944897] sp : ffff800016393cb0 # [ 139.948221] x29: ffff800016393cb0 x28: ffff000802831880 # [ 139.953563] x27: 0000000000000000 x26: 0000000000000000 # [ 139.958903] x25: ffff8000114f1958 x24: ffff800016393e20 # [ 139.964244] x23: 000000000000001f x22: ffff0008028a9000 # [ 139.969584] x21: 0000000000000006 x20: 000000007fffffff # [ 139.974925] x19: ffff800016393d04 x18: 0000000000000000 # [ 139.980265] x17: 0000000000000000 x16: 0000000000000000 # [ 139.985605] x15: 0000000000000030 x14: ffffffffffffffff # [ 139.990945] x13: ffff800096393957 x12: ffff80001639395f # [ 139.996285] x11: 0000000000000030 x10: ffff8000125e82d0 # [ 140.001626] x9 : ffff80001012dcf4 x8 : ffff8000125902d0 # [ 140.006967] x7 : ffff8000125e82d0 x6 : ffff800012561000 # [ 140.012307] x5 : ffff800012561c88 x4 : ffff00097efb2c50 # [ 140.017647] x3 : 0000000000000000 x2 : 0000000000000000 # [ 140.022987] x1 : 0000000000000000 x0 : ffff000802831880 # [ 140.028327] Call trace: # [ 140.030785] refcount_warn_saturate+0xc8/0x144 # [ 140.035247] __refcount_add_not_zero.constprop.0+0x84/0xa0 # [ 140.040751] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x48/0x8c # [ 140.046343] lkdtm_do_action+0x24/0x40 # [ 140.050104] direct_entry+0xd0/0x140 # [ 140.053694] full_proxy_write+0x68/0xbc # [ 140.057545] vfs_write+0xec/0x20c # [ 140.060872] ksys_write+0x70/0x100 # [ 140.064286] __arm64_sys_write+0x24/0x30 # [ 140.068225] el0_svc_common.constprop.0+0x84/0x1e0 # [ 140.073033] do_el0_svc+0x2c/0x94 # [ 140.076361] el0_svc+0x20/0x30 # [ 140.079426] el0_sync_handler+0xb0/0xb4 # [ 140.083276] el0_sync+0x180/0x1c0 # [ 140.086601] irq event stamp: 0 # [ 140.089670] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 140.095961] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 # [ 140.104166] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 # [ 140.112366] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 140.118650] ---[ end trace bed7bdf0de25c320 ]--- # [ 140.123468] 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 [ 140.622816] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO [ 140.628560] lkdtm: attempting good refcount_dec() [ 140.633338] lkdtm: attempting bad refcount_dec() to zero [ 140.638721] ------------[ cut here ]------------ [ 140.643409] refcount_t: decrement hit 0; leaking memory. [ 140.648925] WARNING: CPU: 4 PID: 2339 at lib/refcount.c:31 refcount_warn_saturate+0x13c/0x144 [ 140.657474] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 140.666976] CPU: 4 PID: 2339 Comm: cat Tainted: G D W 5.10.154-cip19 #1 [ 140.674738] Hardware name: ARM Juno development board (r0) (DT) [ 140.680678] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 140.686705] pc : refcount_warn_saturate+0x13c/0x144 [ 140.691599] lr : refcount_warn_saturate+0x13c/0x144 [ 140.696490] sp : ffff800016433cc0 [ 140.699814] x29: ffff800016433cc0 x28: ffff000803ede200 [ 140.705155] x27: 0000000000000000 x26: 0000000000000000 [ 140.710496] x25: ffff8000114f1958 x24: ffff800016433e20 [ 140.715837] x23: 0000000000000012 x22: ffff00080471c000 [ 140.721177] x21: ffff800011a07ff0 x20: ffff8000114f1c48 [ 140.726518] x19: ffff800016433d04 x18: 0000000000000000 [ 140.731858] x17: 0000000000000000 x16: 0000000000000000 [ 140.737198] x15: 0000000000000030 x14: ffffffffffffffff [ 140.742539] x13: ffff800096433967 x12: ffff80001643396f [ 140.747879] x11: 0000000000000008 x10: 0000000000001440 [ 140.753219] x9 : ffff80001012dcf4 x8 : ffff000803edf6a0 [ 140.758559] x7 : 0000000000000000 x6 : ffff800012561000 [ 140.763900] x5 : ffff800012561c88 x4 : ffff00097ef90c50 [ 140.769240] x3 : 0000000000000000 x2 : 0000000000000000 [ 140.774579] x1 : 0000000000000000 x0 : ffff000803ede200 [ 140.779920] Call trace: [ 140.782378] refcount_warn_saturate+0x13c/0x144 [ 140.786927] __refcount_dec.constprop.0+0x4c/0x5c [ 140.791647] lkdtm_REFCOUNT_DEC_ZERO+0x54/0xe0 [ 140.796107] lkdtm_do_action+0x24/0x40 [ 140.799869] direct_entry+0xd0/0x140 [ 140.803458] full_proxy_write+0x68/0xbc [ 140.807309] vfs_write+0xec/0x20c [ 140.810637] ksys_write+0x70/0x100 [ 140.814051] __arm64_sys_write+0x24/0x30 [ 140.817991] el0_svc_common.constprop.0+0x84/0x1e0 [ 140.822799] do_el0_svc+0x2c/0x94 [ 140.826126] el0_svc+0x20/0x30 [ 140.829192] el0_sync_handler+0xb0/0xb4 [ 140.833042] el0_sync+0x180/0x1c0 [ 140.836367] irq event stamp: 0 [ 140.839436] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 140.845727] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 [ 140.853931] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 [ 140.862132] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 140.868415] ---[ end trace bed7bdf0de25c321 ]--- [ 140.873241] lkdtm: Zero detected: saturated # [ 140.622816] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO # [ 140.628560] lkdtm: attempting good refcount_dec() # [ 140.633338] lkdtm: attempting bad refcount_dec() to zero # [ 140.638721] ------------[ cut here ]------------ # [ 140.643409] refcount_t: decrement hit 0; leaking memory. # [ 140.648925] WARNING: CPU: 4 PID: 2339 at lib/refcount.c:31 refcount_warn_saturate+0x13c/0x144 # [ 140.657474] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 140.666976] CPU: 4 PID: 2339 Comm: cat Tainted: G D W 5.10.154-cip19 #1 # [ 140.674738] Hardware name: ARM Juno development board (r0) (DT) # [ 140.680678] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 140.686705] pc : refcount_warn_saturate+0x13c/0x144 # [ 140.691599] lr : refcount_warn_saturate+0x13c/0x144 # [ 140.696490] sp : ffff800016433cc0 # [ 140.699814] x29: ffff800016433cc0 x28: ffff000803ede200 # [ 140.705155] x27: 0000000000000000 x26: 0000000000000000 # [ 140.710496] x25: ffff8000114f1958 x24: ffff800016433e20 # [ 140.715837] x23: 0000000000000012 x22: ffff00080471c000 # [ 140.721177] x21: ffff800011a07ff0 x20: ffff8000114f1c48 # [ 140.726518] x19: ffff800016433d04 x18: 0000000000000000 # [ 140.731858] x17: 0000000000000000 x16: 0000000000000000 # [ 140.737198] x15: 0000000000000030 x14: ffffffffffffffff # [ 140.742539] x13: ffff800096433967 x12: ffff80001643396f # [ 140.747879] x11: 0000000000000008 x10: 0000000000001440 # [ 140.753219] x9 : ffff80001012dcf4 x8 : ffff000803edf6a0 # [ 140.758559] x7 : 0000000000000000 x6 : ffff800012561000 # [ 140.763900] x5 : ffff800012561c88 x4 : ffff00097ef90c50 # [ 140.769240] x3 : 0000000000000000 x2 : 0000000000000000 # [ 140.774579] x1 : 0000000000000000 x0 : ffff000803ede200 # [ 140.779920] Call trace: # [ 140.782378] refcount_warn_saturate+0x13c/0x144 # [ 140.786927] __refcount_dec.constprop.0+0x4c/0x5c # [ 140.791647] lkdtm_REFCOUNT_DEC_ZERO+0x54/0xe0 # [ 140.796107] lkdtm_do_action+0x24/0x40 # [ 140.799869] direct_entry+0xd0/0x140 # [ 140.803458] full_proxy_write+0x68/0xbc # [ 140.807309] vfs_write+0xec/0x20c # [ 140.810637] ksys_write+0x70/0x100 # [ 140.814051] __arm64_sys_write+0x24/0x30 # [ 140.817991] el0_svc_common.constprop.0+0x84/0x1e0 # [ 140.822799] do_el0_svc+0x2c/0x94 # [ 140.826126] el0_svc+0x20/0x30 # [ 140.829192] el0_sync_handler+0xb0/0xb4 # [ 140.833042] el0_sync+0x180/0x1c0 # [ 140.836367] irq event stamp: 0 # [ 140.839436] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 140.845727] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 # [ 140.853931] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 # [ 140.862132] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 140.868415] ---[ end trace bed7bdf0de25c321 ]--- # [ 140.873241] 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 [ 141.369978] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE [ 141.376072] lkdtm: attempting bad refcount_dec() below zero [ 141.381725] ------------[ cut here ]------------ [ 141.386410] refcount_t: decrement hit 0; leaking memory. [ 141.391859] WARNING: CPU: 4 PID: 2374 at lib/refcount.c:31 refcount_warn_saturate+0x13c/0x144 [ 141.400408] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 141.409911] CPU: 4 PID: 2374 Comm: cat Tainted: G D W 5.10.154-cip19 #1 [ 141.417674] Hardware name: ARM Juno development board (r0) (DT) [ 141.423613] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 141.429639] pc : refcount_warn_saturate+0x13c/0x144 [ 141.434533] lr : refcount_warn_saturate+0x13c/0x144 [ 141.439423] sp : ffff8000164a3cc0 [ 141.442748] x29: ffff8000164a3cc0 x28: ffff000807173100 [ 141.448089] x27: 0000000000000000 x26: 0000000000000000 [ 141.453430] x25: ffff8000114f1958 x24: ffff8000164a3e20 [ 141.458770] x23: 0000000000000016 x22: ffff0008042ec000 [ 141.464111] x21: ffff800011a08008 x20: ffff8000114f1c58 [ 141.469451] x19: ffff8000164a3d04 x18: 0000000000000000 [ 141.474792] x17: 0000000000000000 x16: 0000000000000000 [ 141.480132] x15: 0000000000000030 x14: ffffffffffffffff [ 141.485472] x13: ffff8000964a3967 x12: ffff8000164a396f [ 141.490813] x11: 0000000000000028 x10: ffff8000125e82d0 [ 141.496153] x9 : ffff80001012dcf4 x8 : ffff8000125902d0 [ 141.501494] x7 : ffff8000125e82d0 x6 : ffff800012561000 [ 141.506834] x5 : ffff800012561c88 x4 : ffff00097ef90c50 [ 141.512174] x3 : 0000000000000000 x2 : 0000000000000000 [ 141.517514] x1 : 0000000000000000 x0 : ffff000807173100 [ 141.522854] Call trace: [ 141.525312] refcount_warn_saturate+0x13c/0x144 [ 141.529860] __refcount_dec.constprop.0+0x4c/0x5c [ 141.534581] lkdtm_REFCOUNT_DEC_NEGATIVE+0x3c/0x70 [ 141.539389] lkdtm_do_action+0x24/0x40 [ 141.543151] direct_entry+0xd0/0x140 [ 141.546740] full_proxy_write+0x68/0xbc [ 141.550591] vfs_write+0xec/0x20c [ 141.553918] ksys_write+0x70/0x100 [ 141.557333] __arm64_sys_write+0x24/0x30 [ 141.561273] el0_svc_common.constprop.0+0x84/0x1e0 [ 141.566081] do_el0_svc+0x2c/0x94 [ 141.569408] el0_svc+0x20/0x30 [ 141.572474] el0_sync_handler+0xb0/0xb4 [ 141.576324] el0_sync+0x180/0x1c0 [ 141.579648] irq event stamp: 0 [ 141.582717] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 141.589008] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 [ 141.597212] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 [ 141.605414] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 141.611697] ---[ end trace bed7bdf0de25c322 ]--- [ 141.616555] lkdtm: Negative detected: saturated # [ 141.369978] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 141.376072] lkdtm: attempting bad refcount_dec() below zero # [ 141.381725] ------------[ cut here ]------------ # [ 141.386410] refcount_t: decrement hit 0; leaking memory. # [ 141.391859] WARNING: CPU: 4 PID: 2374 at lib/refcount.c:31 refcount_warn_saturate+0x13c/0x144 # [ 141.400408] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 141.409911] CPU: 4 PID: 2374 Comm: cat Tainted: G D W 5.10.154-cip19 #1 # [ 141.417674] Hardware name: ARM Juno development board (r0) (DT) # [ 141.423613] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 141.429639] pc : refcount_warn_saturate+0x13c/0x144 # [ 141.434533] lr : refcount_warn_saturate+0x13c/0x144 # [ 141.439423] sp : ffff8000164a3cc0 # [ 141.442748] x29: ffff8000164a3cc0 x28: ffff000807173100 # [ 141.448089] x27: 0000000000000000 x26: 0000000000000000 # [ 141.453430] x25: ffff8000114f1958 x24: ffff8000164a3e20 # [ 141.458770] x23: 0000000000000016 x22: ffff0008042ec000 # [ 141.464111] x21: ffff800011a08008 x20: ffff8000114f1c58 # [ 141.469451] x19: ffff8000164a3d04 x18: 0000000000000000 # [ 141.474792] x17: 0000000000000000 x16: 0000000000000000 # [ 141.480132] x15: 0000000000000030 x14: ffffffffffffffff # [ 141.485472] x13: ffff8000964a3967 x12: ffff8000164a396f # [ 141.490813] x11: 0000000000000028 x10: ffff8000125e82d0 # [ 141.496153] x9 : ffff80001012dcf4 x8 : ffff8000125902d0 # [ 141.501494] x7 : ffff8000125e82d0 x6 : ffff800012561000 # [ 141.506834] x5 : ffff800012561c88 x4 : ffff00097ef90c50 # [ 141.512174] x3 : 0000000000000000 x2 : 0000000000000000 # [ 141.517514] x1 : 0000000000000000 x0 : ffff000807173100 # [ 141.522854] Call trace: # [ 141.525312] refcount_warn_saturate+0x13c/0x144 # [ 141.529860] __refcount_dec.constprop.0+0x4c/0x5c # [ 141.534581] lkdtm_REFCOUNT_DEC_NEGATIVE+0x3c/0x70 # [ 141.539389] lkdtm_do_action+0x24/0x40 # [ 141.543151] direct_entry+0xd0/0x140 # [ 141.546740] full_proxy_write+0x68/0xbc # [ 141.550591] vfs_write+0xec/0x20c # [ 141.553918] ksys_write+0x70/0x100 # [ 141.557333] __arm64_sys_write+0x24/0x30 # [ 141.561273] el0_svc_common.constprop.0+0x84/0x1e0 # [ 141.566081] do_el0_svc+0x2c/0x94 # [ 141.569408] el0_svc+0x20/0x30 # [ 141.572474] el0_sync_handler+0xb0/0xb4 # [ 141.576324] el0_sync+0x180/0x1c0 # [ 141.579648] irq event stamp: 0 # [ 141.582717] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 141.589008] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 # [ 141.597212] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 # [ 141.605414] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 141.611697] ---[ end trace bed7bdf0de25c322 ]--- # [ 141.616555] 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 [ 142.093747] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE [ 142.100613] lkdtm: attempting bad refcount_dec_and_test() below zero [ 142.107060] ------------[ cut here ]------------ [ 142.111746] refcount_t: underflow; use-after-free. [ 142.116673] WARNING: CPU: 4 PID: 2409 at lib/refcount.c:28 refcount_warn_saturate+0xf4/0x144 [ 142.125134] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 142.134637] CPU: 4 PID: 2409 Comm: cat Tainted: G D W 5.10.154-cip19 #1 [ 142.142400] Hardware name: ARM Juno development board (r0) (DT) [ 142.148340] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 142.154366] pc : refcount_warn_saturate+0xf4/0x144 [ 142.159172] lr : refcount_warn_saturate+0xf4/0x144 [ 142.163976] sp : ffff800016543cd0 [ 142.167300] x29: ffff800016543cd0 x28: ffff000803ed9880 [ 142.172641] x27: 0000000000000000 x26: 0000000000000000 [ 142.177981] x25: ffff8000114f1958 x24: ffff800016543e20 [ 142.183322] x23: 000000000000001f x22: ffff00080427c000 [ 142.188663] x21: ffff800011a08020 x20: ffff8000114f1c68 [ 142.194003] x19: 0000000000000031 x18: 0000000000000000 [ 142.199344] x17: 0000000000000000 x16: 0000000000000000 [ 142.204683] x15: 0000000000000030 x14: ffffffffffffffff [ 142.210024] x13: ffff800096543977 x12: ffff80001654397f [ 142.215364] x11: 0000000000000030 x10: ffff8000125e82d0 [ 142.220705] x9 : ffff80001012dcf4 x8 : ffff8000125902d0 [ 142.226045] x7 : ffff8000125e82d0 x6 : ffff800012561000 [ 142.231385] x5 : ffff800012561c88 x4 : ffff00097ef90c50 [ 142.236725] x3 : 0000000000000000 x2 : 0000000000000000 [ 142.242066] x1 : 0000000000000000 x0 : ffff000803ed9880 [ 142.247406] Call trace: [ 142.249864] refcount_warn_saturate+0xf4/0x144 [ 142.254326] __refcount_sub_and_test.constprop.0+0x64/0x7c [ 142.259832] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x44/0x8c [ 142.265421] lkdtm_do_action+0x24/0x40 [ 142.269183] direct_entry+0xd0/0x140 [ 142.272772] full_proxy_write+0x68/0xbc [ 142.276623] vfs_write+0xec/0x20c [ 142.279950] ksys_write+0x70/0x100 [ 142.283365] __arm64_sys_write+0x24/0x30 [ 142.287305] el0_svc_common.constprop.0+0x84/0x1e0 [ 142.292113] do_el0_svc+0x2c/0x94 [ 142.295440] el0_svc+0x20/0x30 [ 142.298506] el0_sync_handler+0xb0/0xb4 [ 142.302356] el0_sync+0x180/0x1c0 [ 142.305681] irq event stamp: 0 [ 142.308751] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 142.315041] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 [ 142.323246] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 [ 142.331447] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 142.337730] ---[ end trace bed7bdf0de25c323 ]--- [ 142.342574] lkdtm: Negative detected: saturated # [ 142.093747] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 142.100613] lkdtm: attempting bad refcount_dec_and_test() below zero # [ 142.107060] ------------[ cut here ]------------ # [ 142.111746] refcount_t: underflow; use-after-free. # [ 142.116673] WARNING: CPU: 4 PID: 2409 at lib/refcount.c:28 refcount_warn_saturate+0xf4/0x144 # [ 142.125134] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 142.134637] CPU: 4 PID: 2409 Comm: cat Tainted: G D W 5.10.154-cip19 #1 # [ 142.142400] Hardware name: ARM Juno development board (r0) (DT) # [ 142.148340] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 142.154366] pc : refcount_warn_saturate+0xf4/0x144 # [ 142.159172] lr : refcount_warn_saturate+0xf4/0x144 # [ 142.163976] sp : ffff800016543cd0 # [ 142.167300] x29: ffff800016543cd0 x28: ffff000803ed9880 # [ 142.172641] x27: 0000000000000000 x26: 0000000000000000 # [ 142.177981] x25: ffff8000114f1958 x24: ffff800016543e20 # [ 142.183322] x23: 000000000000001f x22: ffff00080427c000 # [ 142.188663] x21: ffff800011a08020 x20: ffff8000114f1c68 # [ 142.194003] x19: 0000000000000031 x18: 0000000000000000 # [ 142.199344] x17: 0000000000000000 x16: 0000000000000000 # [ 142.204683] x15: 0000000000000030 x14: ffffffffffffffff # [ 142.210024] x13: ffff800096543977 x12: ffff80001654397f # [ 142.215364] x11: 0000000000000030 x10: ffff8000125e82d0 # [ 142.220705] x9 : ffff80001012dcf4 x8 : ffff8000125902d0 # [ 142.226045] x7 : ffff8000125e82d0 x6 : ffff800012561000 # [ 142.231385] x5 : ffff800012561c88 x4 : ffff00097ef90c50 # [ 142.236725] x3 : 0000000000000000 x2 : 0000000000000000 # [ 142.242066] x1 : 0000000000000000 x0 : ffff000803ed9880 # [ 142.247406] Call trace: # [ 142.249864] refcount_warn_saturate+0xf4/0x144 # [ 142.254326] __refcount_sub_and_test.constprop.0+0x64/0x7c # [ 142.259832] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x44/0x8c # [ 142.265421] lkdtm_do_action+0x24/0x40 # [ 142.269183] direct_entry+0xd0/0x140 # [ 142.272772] full_proxy_write+0x68/0xbc # [ 142.276623] vfs_write+0xec/0x20c # [ 142.279950] ksys_write+0x70/0x100 # [ 142.283365] __arm64_sys_write+0x24/0x30 # [ 142.287305] el0_svc_common.constprop.0+0x84/0x1e0 # [ 142.292113] do_el0_svc+0x2c/0x94 # [ 142.295440] el0_svc+0x20/0x30 # [ 142.298506] el0_sync_handler+0xb0/0xb4 # [ 142.302356] el0_sync+0x180/0x1c0 # [ 142.305681] irq event stamp: 0 # [ 142.308751] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 142.315041] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 # [ 142.323246] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 # [ 142.331447] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 142.337730] ---[ end trace bed7bdf0de25c323 ]--- # [ 142.342574] 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 [ 142.808182] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE [ 142.815160] lkdtm: attempting bad refcount_sub_and_test() below zero [ 142.821663] ------------[ cut here ]------------ [ 142.826376] refcount_t: underflow; use-after-free. [ 142.831380] WARNING: CPU: 5 PID: 2444 at lib/refcount.c:28 refcount_warn_saturate+0xf4/0x144 [ 142.839847] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 142.849349] CPU: 5 PID: 2444 Comm: cat Tainted: G D W 5.10.154-cip19 #1 [ 142.857112] Hardware name: ARM Juno development board (r0) (DT) [ 142.863052] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 142.869077] pc : refcount_warn_saturate+0xf4/0x144 [ 142.873883] lr : refcount_warn_saturate+0xf4/0x144 [ 142.878687] sp : ffff8000165dbcd0 [ 142.882011] x29: ffff8000165dbcd0 x28: ffff000803ed9880 [ 142.887352] x27: 0000000000000000 x26: 0000000000000000 [ 142.892693] x25: ffff8000114f1958 x24: ffff8000165dbe20 [ 142.898033] x23: 000000000000001f x22: ffff000802a94000 [ 142.903374] x21: ffff800011a08040 x20: ffff8000114f1c78 [ 142.908714] x19: 0000000000000032 x18: 0000000000000000 [ 142.914054] x17: 0000000000000000 x16: 0000000000000000 [ 142.919394] x15: 0000000000000030 x14: ffffffffffffffff [ 142.924735] x13: ffff8000965db977 x12: ffff8000165db97f [ 142.930075] x11: 0000000000000030 x10: ffff8000125e82d0 [ 142.935415] x9 : ffff80001012dcf4 x8 : ffff8000125902d0 [ 142.940755] x7 : ffff8000125e82d0 x6 : ffff800012561000 [ 142.946096] x5 : ffff800012561c88 x4 : ffff00097efb2c50 [ 142.951436] x3 : 0000000000000000 x2 : 0000000000000000 [ 142.956775] x1 : 0000000000000000 x0 : ffff000803ed9880 [ 142.962116] Call trace: [ 142.964574] refcount_warn_saturate+0xf4/0x144 [ 142.969036] __refcount_sub_and_test.constprop.0+0x64/0x7c [ 142.974541] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x48/0x90 [ 142.980131] lkdtm_do_action+0x24/0x40 [ 142.983893] direct_entry+0xd0/0x140 [ 142.987483] full_proxy_write+0x68/0xbc [ 142.991334] vfs_write+0xec/0x20c [ 142.994661] ksys_write+0x70/0x100 [ 142.998075] __arm64_sys_write+0x24/0x30 [ 143.002015] el0_svc_common.constprop.0+0x84/0x1e0 [ 143.006823] do_el0_svc+0x2c/0x94 [ 143.010151] el0_svc+0x20/0x30 [ 143.013217] el0_sync_handler+0xb0/0xb4 [ 143.017067] el0_sync+0x180/0x1c0 [ 143.020392] irq event stamp: 0 [ 143.023461] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 143.029752] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 [ 143.037956] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 [ 143.046157] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 143.052441] ---[ end trace bed7bdf0de25c324 ]--- [ 143.057281] lkdtm: Negative detected: saturated # [ 142.808182] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 142.815160] lkdtm: attempting bad refcount_sub_and_test() below zero # [ 142.821663] ------------[ cut here ]------------ # [ 142.826376] refcount_t: underflow; use-after-free. # [ 142.831380] WARNING: CPU: 5 PID: 2444 at lib/refcount.c:28 refcount_warn_saturate+0xf4/0x144 # [ 142.839847] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 142.849349] CPU: 5 PID: 2444 Comm: cat Tainted: G D W 5.10.154-cip19 #1 # [ 142.857112] Hardware name: ARM Juno development board (r0) (DT) # [ 142.863052] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 142.869077] pc : refcount_warn_saturate+0xf4/0x144 # [ 142.873883] lr : refcount_warn_saturate+0xf4/0x144 # [ 142.878687] sp : ffff8000165dbcd0 # [ 142.882011] x29: ffff8000165dbcd0 x28: ffff000803ed9880 # [ 142.887352] x27: 0000000000000000 x26: 0000000000000000 # [ 142.892693] x25: ffff8000114f1958 x24: ffff8000165dbe20 # [ 142.898033] x23: 000000000000001f x22: ffff000802a94000 # [ 142.903374] x21: ffff800011a08040 x20: ffff8000114f1c78 # [ 142.908714] x19: 0000000000000032 x18: 0000000000000000 # [ 142.914054] x17: 0000000000000000 x16: 0000000000000000 # [ 142.919394] x15: 0000000000000030 x14: ffffffffffffffff # [ 142.924735] x13: ffff8000965db977 x12: ffff8000165db97f # [ 142.930075] x11: 0000000000000030 x10: ffff8000125e82d0 # [ 142.935415] x9 : ffff80001012dcf4 x8 : ffff8000125902d0 # [ 142.940755] x7 : ffff8000125e82d0 x6 : ffff800012561000 # [ 142.946096] x5 : ffff800012561c88 x4 : ffff00097efb2c50 # [ 142.951436] x3 : 0000000000000000 x2 : 0000000000000000 # [ 142.956775] x1 : 0000000000000000 x0 : ffff000803ed9880 # [ 142.962116] Call trace: # [ 142.964574] refcount_warn_saturate+0xf4/0x144 # [ 142.969036] __refcount_sub_and_test.constprop.0+0x64/0x7c # [ 142.974541] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x48/0x90 # [ 142.980131] lkdtm_do_action+0x24/0x40 # [ 142.983893] direct_entry+0xd0/0x140 # [ 142.987483] full_proxy_write+0x68/0xbc # [ 142.991334] vfs_write+0xec/0x20c # [ 142.994661] ksys_write+0x70/0x100 # [ 142.998075] __arm64_sys_write+0x24/0x30 # [ 143.002015] el0_svc_common.constprop.0+0x84/0x1e0 # [ 143.006823] do_el0_svc+0x2c/0x94 # [ 143.010151] el0_svc+0x20/0x30 # [ 143.013217] el0_sync_handler+0xb0/0xb4 # [ 143.017067] el0_sync+0x180/0x1c0 # [ 143.020392] irq event stamp: 0 # [ 143.023461] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 143.029752] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 # [ 143.037956] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 # [ 143.046157] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 143.052441] ---[ end trace bed7bdf0de25c324 ]--- # [ 143.057281] 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 [ 143.509565] lkdtm: Performing direct entry REFCOUNT_INC_ZERO [ 143.515309] lkdtm: attempting safe refcount_inc_not_zero() from zero [ 143.521741] lkdtm: Good: zero detected [ 143.525555] lkdtm: Correctly stayed at zero [ 143.529873] lkdtm: attempting bad refcount_inc() from zero [ 143.535455] ------------[ cut here ]------------ [ 143.540461] refcount_t: addition on 0; use-after-free. [ 143.545712] WARNING: CPU: 1 PID: 2476 at lib/refcount.c:25 refcount_warn_saturate+0xa0/0x144 [ 143.554168] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 143.563641] CPU: 1 PID: 2476 Comm: cat Tainted: G D W 5.10.154-cip19 #1 [ 143.571399] Hardware name: ARM Juno development board (r0) (DT) [ 143.577333] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 143.583352] pc : refcount_warn_saturate+0xa0/0x144 [ 143.588152] lr : refcount_warn_saturate+0xa0/0x144 [ 143.592951] sp : ffff80001666bcd0 [ 143.596271] x29: ffff80001666bcd0 x28: ffff000807be4980 [ 143.601604] x27: 0000000000000000 x26: 0000000000000000 [ 143.606935] x25: ffff8000114f1958 x24: ffff80001666be20 [ 143.612267] x23: 0000000000000012 x22: ffff000803d3a000 [ 143.617598] x21: ffff800011a08060 x20: ffff8000114f1c88 [ 143.622929] x19: 0000000000000033 x18: 0000000000000000 [ 143.628261] x17: 0000000000000000 x16: 0000000000000000 [ 143.633592] x15: 0000000000000030 x14: ffffffffffffffff [ 143.638923] x13: ffff80009666b977 x12: ffff80001666b97f [ 143.644254] x11: 0000000000000000 x10: ffff8000125e82d0 [ 143.649585] x9 : ffff80001012dcf4 x8 : ffff8000125902d0 [ 143.654916] x7 : ffff8000125e82d0 x6 : ffff800012561000 [ 143.660247] x5 : ffff800012561c88 x4 : ffff00097ef2ac50 [ 143.665578] x3 : 0000000000000000 x2 : 0000000000000000 [ 143.670908] x1 : 0000000000000000 x0 : ffff000807be4980 [ 143.676240] Call trace: [ 143.678692] refcount_warn_saturate+0xa0/0x144 [ 143.683149] __refcount_add.constprop.0+0x54/0x80 [ 143.687865] lkdtm_REFCOUNT_INC_ZERO+0xa4/0xd4 [ 143.692318] lkdtm_do_action+0x24/0x40 [ 143.696074] direct_entry+0xd0/0x140 [ 143.699657] full_proxy_write+0x68/0xbc [ 143.703502] vfs_write+0xec/0x20c [ 143.706823] ksys_write+0x70/0x100 [ 143.710232] __arm64_sys_write+0x24/0x30 [ 143.714166] el0_svc_common.constprop.0+0x84/0x1e0 [ 143.718968] do_el0_svc+0x2c/0x94 [ 143.722289] el0_svc+0x20/0x30 [ 143.725348] el0_sync_handler+0xb0/0xb4 [ 143.729192] el0_sync+0x180/0x1c0 [ 143.732512] irq event stamp: 0 [ 143.735574] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 143.741859] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 [ 143.750057] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 [ 143.758251] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 143.764529] ---[ end trace bed7bdf0de25c325 ]--- [ 143.769221] lkdtm: Zero detected: saturated # [ 143.509565] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 143.515309] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 143.521741] lkdtm: Good: zero detected # [ 143.525555] lkdtm: Correctly stayed at zero # [ 143.529873] lkdtm: attempting bad refcount_inc() from zero # [ 143.535455] ------------[ cut here ]------------ # [ 143.540461] refcount_t: addition on 0; use-after-free. # [ 143.545712] WARNING: CPU: 1 PID: 2476 at lib/refcount.c:25 refcount_warn_saturate+0xa0/0x144 # [ 143.554168] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 143.563641] CPU: 1 PID: 2476 Comm: cat Tainted: G D W 5.10.154-cip19 #1 # [ 143.571399] Hardware name: ARM Juno development board (r0) (DT) # [ 143.577333] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 143.583352] pc : refcount_warn_saturate+0xa0/0x144 # [ 143.588152] lr : refcount_warn_saturate+0xa0/0x144 # [ 143.592951] sp : ffff80001666bcd0 # [ 143.596271] x29: ffff80001666bcd0 x28: ffff000807be4980 # [ 143.601604] x27: 0000000000000000 x26: 0000000000000000 # [ 143.606935] x25: ffff8000114f1958 x24: ffff80001666be20 # [ 143.612267] x23: 0000000000000012 x22: ffff000803d3a000 # [ 143.617598] x21: ffff800011a08060 x20: ffff8000114f1c88 # [ 143.622929] x19: 0000000000000033 x18: 0000000000000000 # [ 143.628261] x17: 0000000000000000 x16: 0000000000000000 # [ 143.633592] x15: 0000000000000030 x14: ffffffffffffffff # [ 143.638923] x13: ffff80009666b977 x12: ffff80001666b97f # [ 143.644254] x11: 0000000000000000 x10: ffff8000125e82d0 # [ 143.649585] x9 : ffff80001012dcf4 x8 : ffff8000125902d0 # [ 143.654916] x7 : ffff8000125e82d0 x6 : ffff800012561000 # [ 143.660247] x5 : ffff800012561c88 x4 : ffff00097ef2ac50 # [ 143.665578] x3 : 0000000000000000 x2 : 0000000000000000 # [ 143.670908] x1 : 0000000000000000 x0 : ffff000807be4980 # [ 143.676240] Call trace: # [ 143.678692] refcount_warn_saturate+0xa0/0x144 # [ 143.683149] __refcount_add.constprop.0+0x54/0x80 # [ 143.687865] lkdtm_REFCOUNT_INC_ZERO+0xa4/0xd4 # [ 143.692318] lkdtm_do_action+0x24/0x40 # [ 143.696074] direct_entry+0xd0/0x140 # [ 143.699657] full_proxy_write+0x68/0xbc # [ 143.703502] vfs_write+0xec/0x20c # [ 143.706823] ksys_write+0x70/0x100 # [ 143.710232] __arm64_sys_write+0x24/0x30 # [ 143.714166] el0_svc_common.constprop.0+0x84/0x1e0 # [ 143.718968] do_el0_svc+0x2c/0x94 # [ 143.722289] el0_svc+0x20/0x30 # [ 143.725348] el0_sync_handler+0xb0/0xb4 # [ 143.729192] el0_sync+0x180/0x1c0 # [ 143.732512] irq event stamp: 0 # [ 143.735574] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 143.741859] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 # [ 143.750057] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 # [ 143.758251] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 143.764529] ---[ end trace bed7bdf0de25c325 ]--- # [ 143.769221] 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 [ 144.228055] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO [ 144.233813] lkdtm: attempting safe refcount_add_not_zero() from zero [ 144.240250] lkdtm: Good: zero detected [ 144.244074] lkdtm: Correctly stayed at zero [ 144.248326] lkdtm: attempting bad refcount_add() from zero [ 144.253950] ------------[ cut here ]------------ [ 144.258660] refcount_t: addition on 0; use-after-free. [ 144.264121] WARNING: CPU: 1 PID: 2508 at lib/refcount.c:25 refcount_warn_saturate+0xa0/0x144 [ 144.272581] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 144.282056] CPU: 1 PID: 2508 Comm: cat Tainted: G D W 5.10.154-cip19 #1 [ 144.289815] Hardware name: ARM Juno development board (r0) (DT) [ 144.295749] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 144.301768] pc : refcount_warn_saturate+0xa0/0x144 [ 144.306569] lr : refcount_warn_saturate+0xa0/0x144 [ 144.311368] sp : ffff800016703cd0 [ 144.314688] x29: ffff800016703cd0 x28: ffff000800bf8000 [ 144.320022] x27: 0000000000000000 x26: 0000000000000000 [ 144.325354] x25: ffff8000114f1958 x24: ffff800016703e20 [ 144.330686] x23: 0000000000000012 x22: ffff000803c31000 [ 144.336018] x21: ffff800011a08078 x20: ffff8000114f1c98 [ 144.341350] x19: 0000000000000034 x18: 0000000000000000 [ 144.346681] x17: 0000000000000000 x16: 0000000000000000 [ 144.352013] x15: 0000000000000000 x14: ffff00080028e200 [ 144.357344] x13: 0000000000000a33 x12: 071c71c71c71c71c [ 144.362676] x11: 0000000000000a33 x10: 0000000000001440 [ 144.368008] x9 : ffff80001012dcf4 x8 : ffff000800bf94a0 [ 144.373339] x7 : ffff80001255b000 x6 : ffff800012561000 [ 144.378671] x5 : ffff800012561c88 x4 : ffff00097ef2ac50 [ 144.384003] x3 : 0000000000000000 x2 : 0000000000000000 [ 144.389334] x1 : 0000000000000000 x0 : ffff000800bf8000 [ 144.394666] Call trace: [ 144.397118] refcount_warn_saturate+0xa0/0x144 [ 144.401575] __refcount_add.constprop.0+0x54/0x80 [ 144.406291] lkdtm_REFCOUNT_ADD_ZERO+0xa4/0xd4 [ 144.410744] lkdtm_do_action+0x24/0x40 [ 144.414500] direct_entry+0xd0/0x140 [ 144.418084] full_proxy_write+0x68/0xbc [ 144.421929] vfs_write+0xec/0x20c [ 144.425250] ksys_write+0x70/0x100 [ 144.428659] __arm64_sys_write+0x24/0x30 [ 144.432593] el0_svc_common.constprop.0+0x84/0x1e0 [ 144.437394] do_el0_svc+0x2c/0x94 [ 144.440716] el0_svc+0x20/0x30 [ 144.443777] el0_sync_handler+0xb0/0xb4 [ 144.447621] el0_sync+0x180/0x1c0 [ 144.450942] irq event stamp: 0 [ 144.454005] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 144.460289] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 [ 144.468486] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 [ 144.476681] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 144.482959] ---[ end trace bed7bdf0de25c326 ]--- [ 144.487628] lkdtm: Zero detected: saturated # [ 144.228055] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 144.233813] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 144.240250] lkdtm: Good: zero detected # [ 144.244074] lkdtm: Correctly stayed at zero # [ 144.248326] lkdtm: attempting bad refcount_add() from zero # [ 144.253950] ------------[ cut here ]------------ # [ 144.258660] refcount_t: addition on 0; use-after-free. # [ 144.264121] WARNING: CPU: 1 PID: 2508 at lib/refcount.c:25 refcount_warn_saturate+0xa0/0x144 # [ 144.272581] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 144.282056] CPU: 1 PID: 2508 Comm: cat Tainted: G D W 5.10.154-cip19 #1 # [ 144.289815] Hardware name: ARM Juno development board (r0) (DT) # [ 144.295749] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 144.301768] pc : refcount_warn_saturate+0xa0/0x144 # [ 144.306569] lr : refcount_warn_saturate+0xa0/0x144 # [ 144.311368] sp : ffff800016703cd0 # [ 144.314688] x29: ffff800016703cd0 x28: ffff000800bf8000 # [ 144.320022] x27: 0000000000000000 x26: 0000000000000000 # [ 144.325354] x25: ffff8000114f1958 x24: ffff800016703e20 # [ 144.330686] x23: 0000000000000012 x22: ffff000803c31000 # [ 144.336018] x21: ffff800011a08078 x20: ffff8000114f1c98 # [ 144.341350] x19: 0000000000000034 x18: 0000000000000000 # [ 144.346681] x17: 0000000000000000 x16: 0000000000000000 # [ 144.352013] x15: 0000000000000000 x14: ffff00080028e200 # [ 144.357344] x13: 0000000000000a33 x12: 071c71c71c71c71c # [ 144.362676] x11: 0000000000000a33 x10: 0000000000001440 # [ 144.368008] x9 : ffff80001012dcf4 x8 : ffff000800bf94a0 # [ 144.373339] x7 : ffff80001255b000 x6 : ffff800012561000 # [ 144.378671] x5 : ffff800012561c88 x4 : ffff00097ef2ac50 # [ 144.384003] x3 : 0000000000000000 x2 : 0000000000000000 # [ 144.389334] x1 : 0000000000000000 x0 : ffff000800bf8000 # [ 144.394666] Call trace: # [ 144.397118] refcount_warn_saturate+0xa0/0x144 # [ 144.401575] __refcount_add.constprop.0+0x54/0x80 # [ 144.406291] lkdtm_REFCOUNT_ADD_ZERO+0xa4/0xd4 # [ 144.410744] lkdtm_do_action+0x24/0x40 # [ 144.414500] direct_entry+0xd0/0x140 # [ 144.418084] full_proxy_write+0x68/0xbc # [ 144.421929] vfs_write+0xec/0x20c # [ 144.425250] ksys_write+0x70/0x100 # [ 144.428659] __arm64_sys_write+0x24/0x30 # [ 144.432593] el0_svc_common.constprop.0+0x84/0x1e0 # [ 144.437394] do_el0_svc+0x2c/0x94 # [ 144.440716] el0_svc+0x20/0x30 # [ 144.443777] el0_sync_handler+0xb0/0xb4 # [ 144.447621] el0_sync+0x180/0x1c0 # [ 144.450942] irq event stamp: 0 # [ 144.454005] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 144.460289] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 # [ 144.468486] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 # [ 144.476681] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 144.482959] ---[ end trace bed7bdf0de25c326 ]--- # [ 144.487628] 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 [ 144.971099] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED [ 144.977317] lkdtm: attempting bad refcount_inc() from saturated [ 144.983331] ------------[ cut here ]------------ [ 144.988017] refcount_t: saturated; leaking memory. [ 144.993010] WARNING: CPU: 4 PID: 2543 at lib/refcount.c:22 refcount_warn_saturate+0x74/0x144 [ 145.001471] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 145.010974] CPU: 4 PID: 2543 Comm: cat Tainted: G D W 5.10.154-cip19 #1 [ 145.018737] Hardware name: ARM Juno development board (r0) (DT) [ 145.024676] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 145.030701] pc : refcount_warn_saturate+0x74/0x144 [ 145.035508] lr : refcount_warn_saturate+0x74/0x144 [ 145.040311] sp : ffff800016793cd0 [ 145.043636] x29: ffff800016793cd0 x28: ffff000800bb4980 [ 145.048977] x27: 0000000000000000 x26: 0000000000000000 [ 145.054318] x25: ffff8000114f1958 x24: ffff800016793e20 [ 145.059659] x23: 0000000000000017 x22: ffff000802ede000 [ 145.064999] x21: ffff800011a08090 x20: ffff8000114f1ca8 [ 145.070339] x19: 0000000000000035 x18: 0000000000000000 [ 145.075679] x17: 0000000000000000 x16: 0000000000000000 [ 145.081019] x15: 0000000000000030 x14: ffffffffffffffff [ 145.086360] x13: ffff800096793977 x12: ffff80001679397f [ 145.091700] x11: 000000fb7e368cda x10: 0000000000001440 [ 145.097041] x9 : ffff80001012dcf4 x8 : ffff000800bb5e20 [ 145.102381] x7 : 0000000000000000 x6 : ffff800012561000 [ 145.107721] x5 : ffff800012561c88 x4 : ffff00097ef90c50 [ 145.113061] x3 : 0000000000000000 x2 : 0000000000000000 [ 145.118401] x1 : 0000000000000000 x0 : ffff000800bb4980 [ 145.123741] Call trace: [ 145.126199] refcount_warn_saturate+0x74/0x144 [ 145.130661] __refcount_add.constprop.0+0x6c/0x80 [ 145.135383] lkdtm_REFCOUNT_INC_SATURATED+0x44/0x74 [ 145.140277] lkdtm_do_action+0x24/0x40 [ 145.144039] direct_entry+0xd0/0x140 [ 145.147628] full_proxy_write+0x68/0xbc [ 145.151479] vfs_write+0xec/0x20c [ 145.154806] ksys_write+0x70/0x100 [ 145.158221] __arm64_sys_write+0x24/0x30 [ 145.162162] el0_svc_common.constprop.0+0x84/0x1e0 [ 145.166970] do_el0_svc+0x2c/0x94 [ 145.170298] el0_svc+0x20/0x30 [ 145.173364] el0_sync_handler+0xb0/0xb4 [ 145.177214] el0_sync+0x180/0x1c0 [ 145.180538] irq event stamp: 0 [ 145.183607] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 145.189898] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 [ 145.198103] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 [ 145.206303] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 145.212587] ---[ end trace bed7bdf0de25c327 ]--- [ 145.217528] lkdtm: Saturation detected: still saturated # [ 144.971099] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 144.977317] lkdtm: attempting bad refcount_inc() from saturated # [ 144.983331] ------------[ cut here ]------------ # [ 144.988017] refcount_t: saturated; leaking memory. # [ 144.993010] WARNING: CPU: 4 PID: 2543 at lib/refcount.c:22 refcount_warn_saturate+0x74/0x144 # [ 145.001471] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 145.010974] CPU: 4 PID: 2543 Comm: cat Tainted: G D W 5.10.154-cip19 #1 # [ 145.018737] Hardware name: ARM Juno development board (r0) (DT) # [ 145.024676] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 145.030701] pc : refcount_warn_saturate+0x74/0x144 # [ 145.035508] lr : refcount_warn_saturate+0x74/0x144 # [ 145.040311] sp : ffff800016793cd0 # [ 145.043636] x29: ffff800016793cd0 x28: ffff000800bb4980 # [ 145.048977] x27: 0000000000000000 x26: 0000000000000000 # [ 145.054318] x25: ffff8000114f1958 x24: ffff800016793e20 # [ 145.059659] x23: 0000000000000017 x22: ffff000802ede000 # [ 145.064999] x21: ffff800011a08090 x20: ffff8000114f1ca8 # [ 145.070339] x19: 0000000000000035 x18: 0000000000000000 # [ 145.075679] x17: 0000000000000000 x16: 0000000000000000 # [ 145.081019] x15: 0000000000000030 x14: ffffffffffffffff # [ 145.086360] x13: ffff800096793977 x12: ffff80001679397f # [ 145.091700] x11: 000000fb7e368cda x10: 0000000000001440 # [ 145.097041] x9 : ffff80001012dcf4 x8 : ffff000800bb5e20 # [ 145.102381] x7 : 0000000000000000 x6 : ffff800012561000 # [ 145.107721] x5 : ffff800012561c88 x4 : ffff00097ef90c50 # [ 145.113061] x3 : 0000000000000000 x2 : 0000000000000000 # [ 145.118401] x1 : 0000000000000000 x0 : ffff000800bb4980 # [ 145.123741] Call trace: # [ 145.126199] refcount_warn_saturate+0x74/0x144 # [ 145.130661] __refcount_add.constprop.0+0x6c/0x80 # [ 145.135383] lkdtm_REFCOUNT_INC_SATURATED+0x44/0x74 # [ 145.140277] lkdtm_do_action+0x24/0x40 # [ 145.144039] direct_entry+0xd0/0x140 # [ 145.147628] full_proxy_write+0x68/0xbc # [ 145.151479] vfs_write+0xec/0x20c # [ 145.154806] ksys_write+0x70/0x100 # [ 145.158221] __arm64_sys_write+0x24/0x30 # [ 145.162162] el0_svc_common.constprop.0+0x84/0x1e0 # [ 145.166970] do_el0_svc+0x2c/0x94 # [ 145.170298] el0_svc+0x20/0x30 # [ 145.173364] el0_sync_handler+0xb0/0xb4 # [ 145.177214] el0_sync+0x180/0x1c0 # [ 145.180538] irq event stamp: 0 # [ 145.183607] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 145.189898] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 # [ 145.198103] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 # [ 145.206303] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 145.212587] ---[ end trace bed7bdf0de25c327 ]--- # [ 145.217528] 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 [ 145.704858] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED [ 145.711034] lkdtm: attempting bad refcount_dec() from saturated [ 145.717056] ------------[ cut here ]------------ [ 145.721741] refcount_t: decrement hit 0; leaking memory. [ 145.727257] WARNING: CPU: 5 PID: 2578 at lib/refcount.c:31 refcount_warn_saturate+0x13c/0x144 [ 145.735805] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 145.745308] CPU: 5 PID: 2578 Comm: cat Tainted: G D W 5.10.154-cip19 #1 [ 145.753071] Hardware name: ARM Juno development board (r0) (DT) [ 145.759011] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 145.765036] pc : refcount_warn_saturate+0x13c/0x144 [ 145.769930] lr : refcount_warn_saturate+0x13c/0x144 [ 145.774820] sp : ffff8000167cbcc0 [ 145.778145] x29: ffff8000167cbcc0 x28: ffff0008078fc980 [ 145.783486] x27: 0000000000000000 x26: 0000000000000000 [ 145.788827] x25: ffff8000114f1958 x24: ffff8000167cbe20 [ 145.794167] x23: 0000000000000017 x22: ffff0008033a8000 [ 145.799508] x21: ffff800011a080a8 x20: ffff8000114f1cb8 [ 145.804848] x19: ffff8000167cbd04 x18: 0000000000000000 [ 145.810188] x17: 0000000000000000 x16: 0000000000000000 [ 145.815528] x15: 0000000000000030 x14: ffffffffffffffff [ 145.820868] x13: ffff8000967cb967 x12: ffff8000167cb96f [ 145.826209] x11: 0000000000000030 x10: 0000000000001440 [ 145.831549] x9 : ffff80001012dcf4 x8 : ffff0008078fde20 [ 145.836890] x7 : 0000000000000000 x6 : ffff800012561000 [ 145.842230] x5 : ffff800012561c88 x4 : ffff00097efb2c50 [ 145.847570] x3 : 0000000000000000 x2 : 0000000000000000 [ 145.852910] x1 : 0000000000000000 x0 : ffff0008078fc980 [ 145.858250] Call trace: [ 145.860708] refcount_warn_saturate+0x13c/0x144 [ 145.865257] __refcount_dec.constprop.0+0x4c/0x5c [ 145.869978] lkdtm_REFCOUNT_DEC_SATURATED+0x40/0x70 [ 145.874873] lkdtm_do_action+0x24/0x40 [ 145.878636] direct_entry+0xd0/0x140 [ 145.882224] full_proxy_write+0x68/0xbc [ 145.886075] vfs_write+0xec/0x20c [ 145.889402] ksys_write+0x70/0x100 [ 145.892817] __arm64_sys_write+0x24/0x30 [ 145.896757] el0_svc_common.constprop.0+0x84/0x1e0 [ 145.901566] do_el0_svc+0x2c/0x94 [ 145.904894] el0_svc+0x20/0x30 [ 145.907959] el0_sync_handler+0xb0/0xb4 [ 145.911809] el0_sync+0x180/0x1c0 [ 145.915134] irq event stamp: 0 [ 145.918203] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 145.924494] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 [ 145.932698] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 [ 145.940899] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 145.947182] ---[ end trace bed7bdf0de25c328 ]--- [ 145.952097] lkdtm: Saturation detected: still saturated # [ 145.704858] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 145.711034] lkdtm: attempting bad refcount_dec() from saturated # [ 145.717056] ------------[ cut here ]------------ # [ 145.721741] refcount_t: decrement hit 0; leaking memory. # [ 145.727257] WARNING: CPU: 5 PID: 2578 at lib/refcount.c:31 refcount_warn_saturate+0x13c/0x144 # [ 145.735805] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 145.745308] CPU: 5 PID: 2578 Comm: cat Tainted: G D W 5.10.154-cip19 #1 # [ 145.753071] Hardware name: ARM Juno development board (r0) (DT) # [ 145.759011] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 145.765036] pc : refcount_warn_saturate+0x13c/0x144 # [ 145.769930] lr : refcount_warn_saturate+0x13c/0x144 # [ 145.774820] sp : ffff8000167cbcc0 # [ 145.778145] x29: ffff8000167cbcc0 x28: ffff0008078fc980 # [ 145.783486] x27: 0000000000000000 x26: 0000000000000000 # [ 145.788827] x25: ffff8000114f1958 x24: ffff8000167cbe20 # [ 145.794167] x23: 0000000000000017 x22: ffff0008033a8000 # [ 145.799508] x21: ffff800011a080a8 x20: ffff8000114f1cb8 # [ 145.804848] x19: ffff8000167cbd04 x18: 0000000000000000 # [ 145.810188] x17: 0000000000000000 x16: 0000000000000000 # [ 145.815528] x15: 0000000000000030 x14: ffffffffffffffff # [ 145.820868] x13: ffff8000967cb967 x12: ffff8000167cb96f # [ 145.826209] x11: 0000000000000030 x10: 0000000000001440 # [ 145.831549] x9 : ffff80001012dcf4 x8 : ffff0008078fde20 # [ 145.836890] x7 : 0000000000000000 x6 : ffff800012561000 # [ 145.842230] x5 : ffff800012561c88 x4 : ffff00097efb2c50 # [ 145.847570] x3 : 0000000000000000 x2 : 0000000000000000 # [ 145.852910] x1 : 0000000000000000 x0 : ffff0008078fc980 # [ 145.858250] Call trace: # [ 145.860708] refcount_warn_saturate+0x13c/0x144 # [ 145.865257] __refcount_dec.constprop.0+0x4c/0x5c # [ 145.869978] lkdtm_REFCOUNT_DEC_SATURATED+0x40/0x70 # [ 145.874873] lkdtm_do_action+0x24/0x40 # [ 145.878636] direct_entry+0xd0/0x140 # [ 145.882224] full_proxy_write+0x68/0xbc # [ 145.886075] vfs_write+0xec/0x20c # [ 145.889402] ksys_write+0x70/0x100 # [ 145.892817] __arm64_sys_write+0x24/0x30 # [ 145.896757] el0_svc_common.constprop.0+0x84/0x1e0 # [ 145.901566] do_el0_svc+0x2c/0x94 # [ 145.904894] el0_svc+0x20/0x30 # [ 145.907959] el0_sync_handler+0xb0/0xb4 # [ 145.911809] el0_sync+0x180/0x1c0 # [ 145.915134] irq event stamp: 0 # [ 145.918203] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 145.924494] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 # [ 145.932698] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 # [ 145.940899] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 145.947182] ---[ end trace bed7bdf0de25c328 ]--- # [ 145.952097] 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 [ 146.442759] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED [ 146.448941] lkdtm: attempting bad refcount_dec() from saturated [ 146.454958] ------------[ cut here ]------------ [ 146.459644] refcount_t: saturated; leaking memory. [ 146.464572] WARNING: CPU: 3 PID: 2613 at lib/refcount.c:22 refcount_warn_saturate+0x74/0x144 [ 146.473034] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 146.482536] CPU: 3 PID: 2613 Comm: cat Tainted: G D W 5.10.154-cip19 #1 [ 146.490299] Hardware name: ARM Juno development board (r0) (DT) [ 146.496238] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 146.502264] pc : refcount_warn_saturate+0x74/0x144 [ 146.507071] lr : refcount_warn_saturate+0x74/0x144 [ 146.511875] sp : ffff8000168abcd0 [ 146.515199] x29: ffff8000168abcd0 x28: ffff0008008f4980 [ 146.520540] x27: 0000000000000000 x26: 0000000000000000 [ 146.525881] x25: ffff8000114f1958 x24: ffff8000168abe20 [ 146.531221] x23: 0000000000000017 x22: ffff0008040d8000 [ 146.536562] x21: ffff800011a080c0 x20: ffff8000114f1cc8 [ 146.541902] x19: 0000000000000037 x18: 0000000000000000 [ 146.547242] x17: 0000000000000000 x16: 0000000000000000 [ 146.552582] x15: 0000000000000030 x14: ffffffffffffffff [ 146.557923] x13: ffff8000968ab977 x12: ffff8000168ab97f [ 146.563263] x11: 0000000000000030 x10: ffff8000125e82d0 [ 146.568604] x9 : ffff80001012dcf4 x8 : ffff8000125902d0 [ 146.573944] x7 : ffff8000125e82d0 x6 : ffff800012561000 [ 146.579284] x5 : ffff800012561c88 x4 : ffff00097ef6ec50 [ 146.584624] x3 : 0000000000000000 x2 : 0000000000000000 [ 146.589963] x1 : 0000000000000000 x0 : ffff0008008f4980 [ 146.595304] Call trace: [ 146.597761] refcount_warn_saturate+0x74/0x144 [ 146.602223] __refcount_add.constprop.0+0x6c/0x80 [ 146.606946] lkdtm_REFCOUNT_ADD_SATURATED+0x44/0x74 [ 146.611840] lkdtm_do_action+0x24/0x40 [ 146.615602] direct_entry+0xd0/0x140 [ 146.619191] full_proxy_write+0x68/0xbc [ 146.623042] vfs_write+0xec/0x20c [ 146.626369] ksys_write+0x70/0x100 [ 146.629783] __arm64_sys_write+0x24/0x30 [ 146.633724] el0_svc_common.constprop.0+0x84/0x1e0 [ 146.638531] do_el0_svc+0x2c/0x94 [ 146.641859] el0_svc+0x20/0x30 [ 146.644925] el0_sync_handler+0xb0/0xb4 [ 146.648774] el0_sync+0x180/0x1c0 [ 146.652098] irq event stamp: 0 [ 146.655168] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 146.661459] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 [ 146.669663] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 [ 146.677864] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 146.684147] ---[ end trace bed7bdf0de25c329 ]--- [ 146.688988] lkdtm: Saturation detected: still saturated # [ 146.442759] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 146.448941] lkdtm: attempting bad refcount_dec() from saturated # [ 146.454958] ------------[ cut here ]------------ # [ 146.459644] refcount_t: saturated; leaking memory. # [ 146.464572] WARNING: CPU: 3 PID: 2613 at lib/refcount.c:22 refcount_warn_saturate+0x74/0x144 # [ 146.473034] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 146.482536] CPU: 3 PID: 2613 Comm: cat Tainted: G D W 5.10.154-cip19 #1 # [ 146.490299] Hardware name: ARM Juno development board (r0) (DT) # [ 146.496238] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 146.502264] pc : refcount_warn_saturate+0x74/0x144 # [ 146.507071] lr : refcount_warn_saturate+0x74/0x144 # [ 146.511875] sp : ffff8000168abcd0 # [ 146.515199] x29: ffff8000168abcd0 x28: ffff0008008f4980 # [ 146.520540] x27: 0000000000000000 x26: 0000000000000000 # [ 146.525881] x25: ffff8000114f1958 x24: ffff8000168abe20 # [ 146.531221] x23: 0000000000000017 x22: ffff0008040d8000 # [ 146.536562] x21: ffff800011a080c0 x20: ffff8000114f1cc8 # [ 146.541902] x19: 0000000000000037 x18: 0000000000000000 # [ 146.547242] x17: 0000000000000000 x16: 0000000000000000 # [ 146.552582] x15: 0000000000000030 x14: ffffffffffffffff # [ 146.557923] x13: ffff8000968ab977 x12: ffff8000168ab97f # [ 146.563263] x11: 0000000000000030 x10: ffff8000125e82d0 # [ 146.568604] x9 : ffff80001012dcf4 x8 : ffff8000125902d0 # [ 146.573944] x7 : ffff8000125e82d0 x6 : ffff800012561000 # [ 146.579284] x5 : ffff800012561c88 x4 : ffff00097ef6ec50 # [ 146.584624] x3 : 0000000000000000 x2 : 0000000000000000 # [ 146.589963] x1 : 0000000000000000 x0 : ffff0008008f4980 # [ 146.595304] Call trace: # [ 146.597761] refcount_warn_saturate+0x74/0x144 # [ 146.602223] __refcount_add.constprop.0+0x6c/0x80 # [ 146.606946] lkdtm_REFCOUNT_ADD_SATURATED+0x44/0x74 # [ 146.611840] lkdtm_do_action+0x24/0x40 # [ 146.615602] direct_entry+0xd0/0x140 # [ 146.619191] full_proxy_write+0x68/0xbc # [ 146.623042] vfs_write+0xec/0x20c # [ 146.626369] ksys_write+0x70/0x100 # [ 146.629783] __arm64_sys_write+0x24/0x30 # [ 146.633724] el0_svc_common.constprop.0+0x84/0x1e0 # [ 146.638531] do_el0_svc+0x2c/0x94 # [ 146.641859] el0_svc+0x20/0x30 # [ 146.644925] el0_sync_handler+0xb0/0xb4 # [ 146.648774] el0_sync+0x180/0x1c0 # [ 146.652098] irq event stamp: 0 # [ 146.655168] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 146.661459] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 # [ 146.669663] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 # [ 146.677864] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 146.684147] ---[ end trace bed7bdf0de25c329 ]--- # [ 146.688988] 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 [ 147.183790] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED [ 147.190764] lkdtm: attempting bad refcount_inc_not_zero() from saturated [ 147.197554] ------------[ cut here ]------------ [ 147.202244] refcount_t: saturated; leaking memory. [ 147.207239] WARNING: CPU: 4 PID: 2645 at lib/refcount.c:19 refcount_warn_saturate+0xc8/0x144 [ 147.215701] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 147.225205] CPU: 4 PID: 2645 Comm: cat Tainted: G D W 5.10.154-cip19 #1 [ 147.232968] Hardware name: ARM Juno development board (r0) (DT) [ 147.238907] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 147.244933] pc : refcount_warn_saturate+0xc8/0x144 [ 147.249740] lr : refcount_warn_saturate+0xc8/0x144 [ 147.254543] sp : ffff800016943cb0 [ 147.257867] x29: ffff800016943cb0 x28: ffff0008033cb100 [ 147.263209] x27: 0000000000000000 x26: 0000000000000000 [ 147.268549] x25: ffff8000114f1958 x24: ffff800016943e20 [ 147.273890] x23: 0000000000000020 x22: ffff000803f0e000 [ 147.279230] x21: 0000000000000001 x20: 00000000c0000000 [ 147.284570] x19: ffff800016943d04 x18: 0000000000000000 [ 147.289910] x17: 0000000000000000 x16: 0000000000000000 [ 147.295250] x15: 0000000000000030 x14: ffffffffffffffff [ 147.300591] x13: ffff800096943957 x12: ffff80001694395f [ 147.305931] x11: 0000000000000038 x10: 0000000000001440 [ 147.311272] x9 : ffff80001012dcf4 x8 : ffff0008033cc5a0 [ 147.316612] x7 : 0000000000000000 x6 : ffff800012561000 [ 147.321952] x5 : ffff800012561c88 x4 : ffff00097ef90c50 [ 147.327292] x3 : 0000000000000000 x2 : 0000000000000000 [ 147.332632] x1 : 0000000000000000 x0 : ffff0008033cb100 [ 147.337972] Call trace: [ 147.340431] refcount_warn_saturate+0xc8/0x144 [ 147.344894] __refcount_add_not_zero.constprop.0+0x84/0xa0 [ 147.350398] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x48/0x8c [ 147.356077] lkdtm_do_action+0x24/0x40 [ 147.359839] direct_entry+0xd0/0x140 [ 147.363428] full_proxy_write+0x68/0xbc [ 147.367279] vfs_write+0xec/0x20c [ 147.370606] ksys_write+0x70/0x100 [ 147.374021] __arm64_sys_write+0x24/0x30 [ 147.377961] el0_svc_common.constprop.0+0x84/0x1e0 [ 147.382768] do_el0_svc+0x2c/0x94 [ 147.386096] el0_svc+0x20/0x30 [ 147.389162] el0_sync_handler+0xb0/0xb4 [ 147.393011] el0_sync+0x180/0x1c0 [ 147.396336] irq event stamp: 0 [ 147.399406] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 147.405697] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 [ 147.413901] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 [ 147.422102] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 147.428385] ---[ end trace bed7bdf0de25c32a ]--- [ 147.433311] lkdtm: Saturation detected: still saturated # [ 147.183790] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 147.190764] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 147.197554] ------------[ cut here ]------------ # [ 147.202244] refcount_t: saturated; leaking memory. # [ 147.207239] WARNING: CPU: 4 PID: 2645 at lib/refcount.c:19 refcount_warn_saturate+0xc8/0x144 # [ 147.215701] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 147.225205] CPU: 4 PID: 2645 Comm: cat Tainted: G D W 5.10.154-cip19 #1 # [ 147.232968] Hardware name: ARM Juno development board (r0) (DT) # [ 147.238907] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 147.244933] pc : refcount_warn_saturate+0xc8/0x144 # [ 147.249740] lr : refcount_warn_saturate+0xc8/0x144 # [ 147.254543] sp : ffff800016943cb0 # [ 147.257867] x29: ffff800016943cb0 x28: ffff0008033cb100 # [ 147.263209] x27: 0000000000000000 x26: 0000000000000000 # [ 147.268549] x25: ffff8000114f1958 x24: ffff800016943e20 # [ 147.273890] x23: 0000000000000020 x22: ffff000803f0e000 # [ 147.279230] x21: 0000000000000001 x20: 00000000c0000000 # [ 147.284570] x19: ffff800016943d04 x18: 0000000000000000 # [ 147.289910] x17: 0000000000000000 x16: 0000000000000000 # [ 147.295250] x15: 0000000000000030 x14: ffffffffffffffff # [ 147.300591] x13: ffff800096943957 x12: ffff80001694395f # [ 147.305931] x11: 0000000000000038 x10: 0000000000001440 # [ 147.311272] x9 : ffff80001012dcf4 x8 : ffff0008033cc5a0 # [ 147.316612] x7 : 0000000000000000 x6 : ffff800012561000 # [ 147.321952] x5 : ffff800012561c88 x4 : ffff00097ef90c50 # [ 147.327292] x3 : 0000000000000000 x2 : 0000000000000000 # [ 147.332632] x1 : 0000000000000000 x0 : ffff0008033cb100 # [ 147.337972] Call trace: # [ 147.340431] refcount_warn_saturate+0xc8/0x144 # [ 147.344894] __refcount_add_not_zero.constprop.0+0x84/0xa0 # [ 147.350398] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x48/0x8c # [ 147.356077] lkdtm_do_action+0x24/0x40 # [ 147.359839] direct_entry+0xd0/0x140 # [ 147.363428] full_proxy_write+0x68/0xbc # [ 147.367279] vfs_write+0xec/0x20c # [ 147.370606] ksys_write+0x70/0x100 # [ 147.374021] __arm64_sys_write+0x24/0x30 # [ 147.377961] el0_svc_common.constprop.0+0x84/0x1e0 # [ 147.382768] do_el0_svc+0x2c/0x94 # [ 147.386096] el0_svc+0x20/0x30 # [ 147.389162] el0_sync_handler+0xb0/0xb4 # [ 147.393011] el0_sync+0x180/0x1c0 # [ 147.396336] irq event stamp: 0 # [ 147.399406] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 147.405697] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 # [ 147.413901] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 # [ 147.422102] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 147.428385] ---[ end trace bed7bdf0de25c32a ]--- # [ 147.433311] 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 [ 147.929179] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED [ 147.936129] lkdtm: attempting bad refcount_add_not_zero() from saturated [ 147.942921] ------------[ cut here ]------------ [ 147.947608] refcount_t: saturated; leaking memory. [ 147.952661] WARNING: CPU: 1 PID: 2677 at lib/refcount.c:19 refcount_warn_saturate+0xc8/0x144 [ 147.961120] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 147.970592] CPU: 1 PID: 2677 Comm: cat Tainted: G D W 5.10.154-cip19 #1 [ 147.978351] Hardware name: ARM Juno development board (r0) (DT) [ 147.984284] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 147.990304] pc : refcount_warn_saturate+0xc8/0x144 [ 147.995104] lr : refcount_warn_saturate+0xc8/0x144 [ 147.999902] sp : ffff8000169ebcb0 [ 148.003222] x29: ffff8000169ebcb0 x28: ffff000802831880 [ 148.008555] x27: 0000000000000000 x26: 0000000000000000 [ 148.013887] x25: ffff8000114f1958 x24: ffff8000169ebe20 [ 148.019218] x23: 0000000000000020 x22: ffff000806717000 [ 148.024550] x21: 0000000000000007 x20: 00000000c0000000 [ 148.029881] x19: ffff8000169ebd04 x18: 0000000000000000 [ 148.035212] x17: 0000000000000000 x16: 0000000000000000 [ 148.040542] x15: 0000000000000000 x14: ffff00080028e200 [ 148.045873] x13: ffff80096d16e000 x12: 0000000030d4d91d [ 148.051204] x11: 0000000000000000 x10: 0000000000001440 [ 148.056535] x9 : ffff80001012dcf4 x8 : ffff000802832d20 [ 148.061866] x7 : ffff80096d16e000 x6 : ffff800012561000 [ 148.067197] x5 : ffff800012561c88 x4 : ffff00097ef2ac50 [ 148.072528] x3 : 0000000000000000 x2 : 0000000000000000 [ 148.077859] x1 : 0000000000000000 x0 : ffff000802831880 [ 148.083190] Call trace: [ 148.085642] refcount_warn_saturate+0xc8/0x144 [ 148.090098] __refcount_add_not_zero.constprop.0+0x84/0xa0 [ 148.095596] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x48/0x8c [ 148.101268] lkdtm_do_action+0x24/0x40 [ 148.105025] direct_entry+0xd0/0x140 [ 148.108608] full_proxy_write+0x68/0xbc [ 148.112453] vfs_write+0xec/0x20c [ 148.115774] ksys_write+0x70/0x100 [ 148.119182] __arm64_sys_write+0x24/0x30 [ 148.123116] el0_svc_common.constprop.0+0x84/0x1e0 [ 148.127917] do_el0_svc+0x2c/0x94 [ 148.131239] el0_svc+0x20/0x30 [ 148.134299] el0_sync_handler+0xb0/0xb4 [ 148.138143] el0_sync+0x180/0x1c0 [ 148.141463] irq event stamp: 0 [ 148.144526] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 148.150812] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 [ 148.159008] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 [ 148.167202] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 148.173480] ---[ end trace bed7bdf0de25c32b ]--- [ 148.178181] lkdtm: Saturation detected: still saturated # [ 147.929179] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 147.936129] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 147.942921] ------------[ cut here ]------------ # [ 147.947608] refcount_t: saturated; leaking memory. # [ 147.952661] WARNING: CPU: 1 PID: 2677 at lib/refcount.c:19 refcount_warn_saturate+0xc8/0x144 # [ 147.961120] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 147.970592] CPU: 1 PID: 2677 Comm: cat Tainted: G D W 5.10.154-cip19 #1 # [ 147.978351] Hardware name: ARM Juno development board (r0) (DT) # [ 147.984284] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 147.990304] pc : refcount_warn_saturate+0xc8/0x144 # [ 147.995104] lr : refcount_warn_saturate+0xc8/0x144 # [ 147.999902] sp : ffff8000169ebcb0 # [ 148.003222] x29: ffff8000169ebcb0 x28: ffff000802831880 # [ 148.008555] x27: 0000000000000000 x26: 0000000000000000 # [ 148.013887] x25: ffff8000114f1958 x24: ffff8000169ebe20 # [ 148.019218] x23: 0000000000000020 x22: ffff000806717000 # [ 148.024550] x21: 0000000000000007 x20: 00000000c0000000 # [ 148.029881] x19: ffff8000169ebd04 x18: 0000000000000000 # [ 148.035212] x17: 0000000000000000 x16: 0000000000000000 # [ 148.040542] x15: 0000000000000000 x14: ffff00080028e200 # [ 148.045873] x13: ffff80096d16e000 x12: 0000000030d4d91d # [ 148.051204] x11: 0000000000000000 x10: 0000000000001440 # [ 148.056535] x9 : ffff80001012dcf4 x8 : ffff000802832d20 # [ 148.061866] x7 : ffff80096d16e000 x6 : ffff800012561000 # [ 148.067197] x5 : ffff800012561c88 x4 : ffff00097ef2ac50 # [ 148.072528] x3 : 0000000000000000 x2 : 0000000000000000 # [ 148.077859] x1 : 0000000000000000 x0 : ffff000802831880 # [ 148.083190] Call trace: # [ 148.085642] refcount_warn_saturate+0xc8/0x144 # [ 148.090098] __refcount_add_not_zero.constprop.0+0x84/0xa0 # [ 148.095596] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x48/0x8c # [ 148.101268] lkdtm_do_action+0x24/0x40 # [ 148.105025] direct_entry+0xd0/0x140 # [ 148.108608] full_proxy_write+0x68/0xbc # [ 148.112453] vfs_write+0xec/0x20c # [ 148.115774] ksys_write+0x70/0x100 # [ 148.119182] __arm64_sys_write+0x24/0x30 # [ 148.123116] el0_svc_common.constprop.0+0x84/0x1e0 # [ 148.127917] do_el0_svc+0x2c/0x94 # [ 148.131239] el0_svc+0x20/0x30 # [ 148.134299] el0_sync_handler+0xb0/0xb4 # [ 148.138143] el0_sync+0x180/0x1c0 # [ 148.141463] irq event stamp: 0 # [ 148.144526] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 148.150812] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 # [ 148.159008] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 # [ 148.167202] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 148.173480] ---[ end trace bed7bdf0de25c32b ]--- # [ 148.178181] 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 [ 148.678990] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED [ 148.685963] lkdtm: attempting bad refcount_dec_and_test() from saturated [ 148.692751] ------------[ cut here ]------------ [ 148.697439] refcount_t: underflow; use-after-free. [ 148.702433] WARNING: CPU: 0 PID: 2712 at lib/refcount.c:28 refcount_warn_saturate+0xf4/0x144 [ 148.710894] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 148.720396] CPU: 0 PID: 2712 Comm: cat Tainted: G D W 5.10.154-cip19 #1 [ 148.728159] Hardware name: ARM Juno development board (r0) (DT) [ 148.734099] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 148.740124] pc : refcount_warn_saturate+0xf4/0x144 [ 148.744931] lr : refcount_warn_saturate+0xf4/0x144 [ 148.749734] sp : ffff80001680bcd0 [ 148.753058] x29: ffff80001680bcd0 x28: ffff000807171880 [ 148.758399] x27: 0000000000000000 x26: 0000000000000000 [ 148.763739] x25: ffff8000114f1958 x24: ffff80001680be20 [ 148.769080] x23: 0000000000000020 x22: ffff000803c05000 [ 148.774420] x21: ffff800011a08118 x20: ffff8000114f1cf8 [ 148.779760] x19: 000000000000003a x18: 0000000000000000 [ 148.785100] x17: 0000000000000000 x16: 0000000000000000 [ 148.790440] x15: 0000000000000030 x14: ffffffffffffffff [ 148.795780] x13: ffff80009680b977 x12: ffff80001680b97f [ 148.801121] x11: 0000000000000038 x10: 0000000000001440 [ 148.806461] x9 : ffff80001012dcf4 x8 : ffff000807172d20 [ 148.811801] x7 : 0000000000000000 x6 : ffff800012561000 [ 148.817141] x5 : ffff800012561c88 x4 : ffff00097ef08c50 [ 148.822481] x3 : 0000000000000000 x2 : 0000000000000000 [ 148.827821] x1 : 0000000000000000 x0 : ffff000807171880 [ 148.833161] Call trace: [ 148.835619] refcount_warn_saturate+0xf4/0x144 [ 148.840081] __refcount_sub_and_test.constprop.0+0x64/0x7c [ 148.845587] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x48/0x8c [ 148.851264] lkdtm_do_action+0x24/0x40 [ 148.855026] direct_entry+0xd0/0x140 [ 148.858615] full_proxy_write+0x68/0xbc [ 148.862467] vfs_write+0xec/0x20c [ 148.865794] ksys_write+0x70/0x100 [ 148.869209] __arm64_sys_write+0x24/0x30 [ 148.873149] el0_svc_common.constprop.0+0x84/0x1e0 [ 148.877957] do_el0_svc+0x2c/0x94 [ 148.881284] el0_svc+0x20/0x30 [ 148.884350] el0_sync_handler+0xb0/0xb4 [ 148.888199] el0_sync+0x180/0x1c0 [ 148.891524] irq event stamp: 0 [ 148.894593] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 148.900884] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 [ 148.909088] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 [ 148.917289] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 148.923572] ---[ end trace bed7bdf0de25c32c ]--- [ 148.928546] lkdtm: Saturation detected: still saturated # [ 148.678990] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 148.685963] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 148.692751] ------------[ cut here ]------------ # [ 148.697439] refcount_t: underflow; use-after-free. # [ 148.702433] WARNING: CPU: 0 PID: 2712 at lib/refcount.c:28 refcount_warn_saturate+0xf4/0x144 # [ 148.710894] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 148.720396] CPU: 0 PID: 2712 Comm: cat Tainted: G D W 5.10.154-cip19 #1 # [ 148.728159] Hardware name: ARM Juno development board (r0) (DT) # [ 148.734099] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 148.740124] pc : refcount_warn_saturate+0xf4/0x144 # [ 148.744931] lr : refcount_warn_saturate+0xf4/0x144 # [ 148.749734] sp : ffff80001680bcd0 # [ 148.753058] x29: ffff80001680bcd0 x28: ffff000807171880 # [ 148.758399] x27: 0000000000000000 x26: 0000000000000000 # [ 148.763739] x25: ffff8000114f1958 x24: ffff80001680be20 # [ 148.769080] x23: 0000000000000020 x22: ffff000803c05000 # [ 148.774420] x21: ffff800011a08118 x20: ffff8000114f1cf8 # [ 148.779760] x19: 000000000000003a x18: 0000000000000000 # [ 148.785100] x17: 0000000000000000 x16: 0000000000000000 # [ 148.790440] x15: 0000000000000030 x14: ffffffffffffffff # [ 148.795780] x13: ffff80009680b977 x12: ffff80001680b97f # [ 148.801121] x11: 0000000000000038 x10: 0000000000001440 # [ 148.806461] x9 : ffff80001012dcf4 x8 : ffff000807172d20 # [ 148.811801] x7 : 0000000000000000 x6 : ffff800012561000 # [ 148.817141] x5 : ffff800012561c88 x4 : ffff00097ef08c50 # [ 148.822481] x3 : 0000000000000000 x2 : 0000000000000000 # [ 148.827821] x1 : 0000000000000000 x0 : ffff000807171880 # [ 148.833161] Call trace: # [ 148.835619] refcount_warn_saturate+0xf4/0x144 # [ 148.840081] __refcount_sub_and_test.constprop.0+0x64/0x7c # [ 148.845587] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x48/0x8c # [ 148.851264] lkdtm_do_action+0x24/0x40 # [ 148.855026] direct_entry+0xd0/0x140 # [ 148.858615] full_proxy_write+0x68/0xbc # [ 148.862467] vfs_write+0xec/0x20c # [ 148.865794] ksys_write+0x70/0x100 # [ 148.869209] __arm64_sys_write+0x24/0x30 # [ 148.873149] el0_svc_common.constprop.0+0x84/0x1e0 # [ 148.877957] do_el0_svc+0x2c/0x94 # [ 148.881284] el0_svc+0x20/0x30 # [ 148.884350] el0_sync_handler+0xb0/0xb4 # [ 148.888199] el0_sync+0x180/0x1c0 # [ 148.891524] irq event stamp: 0 # [ 148.894593] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 148.900884] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 # [ 148.909088] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 # [ 148.917289] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 148.923572] ---[ end trace bed7bdf0de25c32c ]--- # [ 148.928546] 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 [ 149.450812] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED [ 149.457777] lkdtm: attempting bad refcount_sub_and_test() from saturated [ 149.464631] ------------[ cut here ]------------ [ 149.469348] refcount_t: underflow; use-after-free. [ 149.474436] WARNING: CPU: 4 PID: 2747 at lib/refcount.c:28 refcount_warn_saturate+0xf4/0x144 [ 149.482898] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 149.492401] CPU: 4 PID: 2747 Comm: cat Tainted: G D W 5.10.154-cip19 #1 [ 149.500164] Hardware name: ARM Juno development board (r0) (DT) [ 149.506104] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 149.512129] pc : refcount_warn_saturate+0xf4/0x144 [ 149.516935] lr : refcount_warn_saturate+0xf4/0x144 [ 149.521739] sp : ffff800016abbcd0 [ 149.525063] x29: ffff800016abbcd0 x28: ffff0008033c8000 [ 149.530404] x27: 0000000000000000 x26: 0000000000000000 [ 149.535745] x25: ffff8000114f1958 x24: ffff800016abbe20 [ 149.541086] x23: 0000000000000020 x22: ffff00080789e000 [ 149.546426] x21: ffff800011a08138 x20: ffff8000114f1d08 [ 149.551767] x19: 000000000000003b x18: 0000000000000000 [ 149.557107] x17: 0000000000000000 x16: 0000000000000000 [ 149.562447] x15: 0000000000000030 x14: ffffffffffffffff [ 149.567788] x13: ffff800096abb977 x12: ffff800016abb97f [ 149.573129] x11: 0000000000000038 x10: ffff8000125e82d0 [ 149.578469] x9 : ffff80001012dcf4 x8 : ffff8000125902d0 [ 149.583810] x7 : ffff8000125e82d0 x6 : ffff800012561000 [ 149.589150] x5 : ffff800012561c88 x4 : ffff00097ef90c50 [ 149.594490] x3 : 0000000000000000 x2 : 0000000000000000 [ 149.599830] x1 : 0000000000000000 x0 : ffff0008033c8000 [ 149.605170] Call trace: [ 149.607628] refcount_warn_saturate+0xf4/0x144 [ 149.612090] __refcount_sub_and_test.constprop.0+0x64/0x7c [ 149.617597] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x48/0xc0 [ 149.623274] lkdtm_do_action+0x24/0x40 [ 149.627036] direct_entry+0xd0/0x140 [ 149.630625] full_proxy_write+0x68/0xbc [ 149.634477] vfs_write+0xec/0x20c [ 149.637804] ksys_write+0x70/0x100 [ 149.641219] __arm64_sys_write+0x24/0x30 [ 149.645159] el0_svc_common.constprop.0+0x84/0x1e0 [ 149.649967] do_el0_svc+0x2c/0x94 [ 149.653294] el0_svc+0x20/0x30 [ 149.656360] el0_sync_handler+0xb0/0xb4 [ 149.660210] el0_sync+0x180/0x1c0 [ 149.663534] irq event stamp: 0 [ 149.666603] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 149.672894] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 [ 149.681098] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 [ 149.689299] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 149.695582] ---[ end trace bed7bdf0de25c32d ]--- [ 149.700376] lkdtm: Saturation detected: still saturated # [ 149.450812] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 149.457777] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 149.464631] ------------[ cut here ]------------ # [ 149.469348] refcount_t: underflow; use-after-free. # [ 149.474436] WARNING: CPU: 4 PID: 2747 at lib/refcount.c:28 refcount_warn_saturate+0xf4/0x144 # [ 149.482898] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 149.492401] CPU: 4 PID: 2747 Comm: cat Tainted: G D W 5.10.154-cip19 #1 # [ 149.500164] Hardware name: ARM Juno development board (r0) (DT) # [ 149.506104] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) # [ 149.512129] pc : refcount_warn_saturate+0xf4/0x144 # [ 149.516935] lr : refcount_warn_saturate+0xf4/0x144 # [ 149.521739] sp : ffff800016abbcd0 # [ 149.525063] x29: ffff800016abbcd0 x28: ffff0008033c8000 # [ 149.530404] x27: 0000000000000000 x26: 0000000000000000 # [ 149.535745] x25: ffff8000114f1958 x24: ffff800016abbe20 # [ 149.541086] x23: 0000000000000020 x22: ffff00080789e000 # [ 149.546426] x21: ffff800011a08138 x20: ffff8000114f1d08 # [ 149.551767] x19: 000000000000003b x18: 0000000000000000 # [ 149.557107] x17: 0000000000000000 x16: 0000000000000000 # [ 149.562447] x15: 0000000000000030 x14: ffffffffffffffff # [ 149.567788] x13: ffff800096abb977 x12: ffff800016abb97f # [ 149.573129] x11: 0000000000000038 x10: ffff8000125e82d0 # [ 149.578469] x9 : ffff80001012dcf4 x8 : ffff8000125902d0 # [ 149.583810] x7 : ffff8000125e82d0 x6 : ffff800012561000 # [ 149.589150] x5 : ffff800012561c88 x4 : ffff00097ef90c50 # [ 149.594490] x3 : 0000000000000000 x2 : 0000000000000000 # [ 149.599830] x1 : 0000000000000000 x0 : ffff0008033c8000 # [ 149.605170] Call trace: # [ 149.607628] refcount_warn_saturate+0xf4/0x144 # [ 149.612090] __refcount_sub_and_test.constprop.0+0x64/0x7c # [ 149.617597] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x48/0xc0 # [ 149.623274] lkdtm_do_action+0x24/0x40 # [ 149.627036] direct_entry+0xd0/0x140 # [ 149.630625] full_proxy_write+0x68/0xbc # [ 149.634477] vfs_write+0xec/0x20c # [ 149.637804] ksys_write+0x70/0x100 # [ 149.641219] __arm64_sys_write+0x24/0x30 # [ 149.645159] el0_svc_common.constprop.0+0x84/0x1e0 # [ 149.649967] do_el0_svc+0x2c/0x94 # [ 149.653294] el0_svc+0x20/0x30 # [ 149.656360] el0_sync_handler+0xb0/0xb4 # [ 149.660210] el0_sync+0x180/0x1c0 # [ 149.663534] irq event stamp: 0 # [ 149.666603] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 149.672894] hardirqs last disabled at (0): [] copy_process+0x5b0/0x1840 # [ 149.681098] softirqs last enabled at (0): [] copy_process+0x5b0/0x1840 # [ 149.689299] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 149.695582] ---[ end trace bed7bdf0de25c32d ]--- # [ 149.700376] 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 [ 150.646142] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO [ 150.652258] lkdtm: attempting good copy_to_user of correct size [ 150.658325] lkdtm: attempting bad copy_to_user of too large size # [ 150.646142] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 150.652258] lkdtm: attempting good copy_to_user of correct size # [ 150.658325] 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 [ 151.157359] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM [ 151.163634] lkdtm: attempting good copy_from_user of correct size [ 151.169833] lkdtm: attempting bad copy_from_user of too large size # [ 151.157359] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 151.163634] lkdtm: attempting good copy_from_user of correct size # [ 151.169833] 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 [ 151.662385] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO [ 151.668955] lkdtm: attempting good copy_to_user inside whitelist [ 151.675094] lkdtm: attempting bad copy_to_user outside whitelist # [ 151.662385] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 151.668955] lkdtm: attempting good copy_to_user inside whitelist # [ 151.675094] 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 [ 152.148961] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM [ 152.155681] lkdtm: attempting good copy_from_user inside whitelist [ 152.161956] lkdtm: attempting bad copy_from_user outside whitelist # [ 152.148961] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 152.155681] lkdtm: attempting good copy_from_user inside whitelist # [ 152.161956] 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 [ 152.649565] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO [ 152.655834] lkdtm: good_stack: ffff800016e7bcd8-ffff800016e7bcf8 [ 152.661927] lkdtm: bad_stack : ffff800016e7bc38-ffff800016e7bc58 [ 152.668025] lkdtm: attempting good copy_to_user of local stack [ 152.674063] lkdtm: attempting bad copy_to_user of distant stack # [ 152.649565] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 152.655834] lkdtm: good_stack: ffff800016e7bcd8-ffff800016e7bcf8 # [ 152.661927] lkdtm: bad_stack : ffff800016e7bc38-ffff800016e7bc58 # [ 152.668025] lkdtm: attempting good copy_to_user of local stack # [ 152.674063] 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 [ 153.159893] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM [ 153.166342] lkdtm: good_stack: ffff800016f8bcd8-ffff800016f8bcf8 [ 153.172443] lkdtm: bad_stack : ffff800016f8bc38-ffff800016f8bc58 [ 153.178543] lkdtm: attempting good copy_from_user of local stack [ 153.184743] lkdtm: attempting bad copy_from_user of distant stack # [ 153.159893] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 153.166342] lkdtm: good_stack: ffff800016f8bcd8-ffff800016f8bcf8 # [ 153.172443] lkdtm: bad_stack : ffff800016f8bc38-ffff800016f8bc58 # [ 153.178543] lkdtm: attempting good copy_from_user of local stack # [ 153.184743] 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 [ 153.685487] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND [ 153.691668] lkdtm: good_stack: ffff800017023cd8-ffff800017023cf8 [ 153.697825] lkdtm: bad_stack : ffff800017023ff8-ffff800017024018 [ 153.703949] lkdtm: attempting good copy_to_user of local stack [ 153.710124] lkdtm: attempting bad copy_to_user of distant stack [ 153.716134] Unable to handle kernel paging request at virtual address ffff800017024000 [ 153.724129] Mem abort info: [ 153.726989] ESR = 0x96000007 [ 153.730207] EC = 0x25: DABT (current EL), IL = 32 bits [ 153.735661] SET = 0, FnV = 0 [ 153.738756] EA = 0, S1PTW = 0 [ 153.741949] Data abort info: [ 153.744867] ISV = 0, ISS = 0x00000007 [ 153.748738] CM = 0, WnR = 0 [ 153.751721] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081dc3000 [ 153.758461] [ffff800017024000] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=000000088282d003, pte=0000000000000000 [ 153.771098] Internal error: Oops: 96000007 [#16] PREEMPT SMP [ 153.776773] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc [ 153.786247] CPU: 1 PID: 3041 Comm: cat Tainted: G D W 5.10.154-cip19 #1 [ 153.794006] Hardware name: ARM Juno development board (r0) (DT) [ 153.799942] pstate: 80000005 (Nzcv daif -PAN -UAO -TCO BTYPE=--) [ 153.805972] pc : __arch_copy_to_user+0xa0/0x310 [ 153.810517] lr : _copy_to_user+0x6c/0x94 [ 153.814449] sp : ffff800017023c70 [ 153.817769] x29: ffff800017023c70 x28: ffff0008003fc980 [ 153.823109] x27: 0000000000000000 x26: 0000000000000000 [ 153.828447] x25: ffff8000114f1958 x24: ffff800017023e20 [ 153.833782] x23: 0000000000000016 x22: ffff000803e7b000 [ 153.839114] x21: ffff800017023ff8 x20: 0000ffffb9cf7000 [ 153.844445] x19: 0000000000000020 x18: 0000000000000000 [ 153.849776] x17: 0000000000000000 x16: 0000000000000000 [ 153.855107] x15: ffff800017023ff8 x14: ffffffffffffffff [ 153.860438] x13: ffff800097023987 x12: ffff80001702398f [ 153.865769] x11: 0000000000100000 x10: ffff8000125e82d0 [ 153.871100] x9 : ffff80001011bcd0 x8 : ffff8000125902d0 [ 153.876431] x7 : ffff8000125e82d0 x6 : 0000ffffb9cf7008 [ 153.881762] x5 : 0000ffffb9cf7020 x4 : 0000000000000008 [ 153.887093] x3 : 0000000000000010 x2 : 0000000000000018 [ 153.892424] x1 : ffff800017024000 x0 : 0000ffffb9cf7000 [ 153.897755] Call trace: [ 153.900209] __arch_copy_to_user+0xa0/0x310 [ 153.904404] do_usercopy_stack+0x28c/0x294 [ 153.908510] lkdtm_USERCOPY_STACK_BEYOND+0x20/0x30 [ 153.913311] lkdtm_do_action+0x24/0x40 [ 153.917067] direct_entry+0xd0/0x140 [ 153.920651] full_proxy_write+0x68/0xbc [ 153.924496] vfs_write+0xec/0x20c [ 153.927817] ksys_write+0x70/0x100 [ 153.931225] __arm64_sys_write+0x24/0x30 [ 153.935159] el0_svc_common.constprop.0+0x84/0x1e0 [ 153.939961] do_el0_svc+0x2c/0x94 [ 153.943282] el0_svc+0x20/0x30 [ 153.946342] el0_sync_handler+0xb0/0xb4 [ 153.950185] el0_sync+0x180/0x1c0 [ 153.953511] Code: a8c12027 a88120c7 d503201f d503201f (a8c12027) [ 153.959620] ---[ end trace bed7bdf0de25c32e ]--- # Segmentation fault # [ 153.685487] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 153.691668] lkdtm: good_stack: ffff800017023cd8-ffff800017023cf8 # [ 153.697825] lkdtm: bad_stack : ffff800017023ff8-ffff800017024018 # [ 153.703949] lkdtm: attempting good copy_to_user of local stack # [ 153.710124] lkdtm: attempting bad copy_to_user of distant stack # [ 153.716134] Unable to handle kernel paging request at virtual address ffff800017024000 # [ 153.724129] Mem abort info: # [ 153.726989] ESR = 0x96000007 # [ 153.730207] EC = 0x25: DABT (current EL), IL = 32 bits # [ 153.735661] SET = 0, FnV = 0 # [ 153.738756] EA = 0, S1PTW = 0 # [ 153.741949] Data abort info: # [ 153.744867] ISV = 0, ISS = 0x00000007 # [ 153.748738] CM = 0, WnR = 0 # [ 153.751721] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081dc3000 # [ 153.758461] [ffff800017024000] pgd=00000009fffff003, p4d=00000009fffff003, pud=00000009ffffe003, pmd=000000088282d003, pte=0000000000000000 # [ 153.771098] Internal error: Oops: 96000007 [#16] PREEMPT SMP # [ 153.776773] Modules linked in: fuse ip_tables x_tables crct10dif_ce tda998x cec drm_kms_helper drm smsc # [ 153.786247] CPU: 1 PID: 3041 Comm: cat Tainted: G D W 5.10.154-cip19 #1 # [ 153.794006] Hardware name: ARM Juno development board (r0) (DT) # [ 153.799942] pstate: 80000005 (Nzcv daif -PAN -UAO -TCO BTYPE=--) # [ 153.805972] pc : __arch_copy_to_user+0xa0/0x310 # [ 153.810517] lr : _copy_to_user+0x6c/0x94 # [ 153.814449] sp : ffff800017023c70 # [ 153.817769] x29: ffff800017023c70 x28: ffff0008003fc980 # [ 153.823109] x27: 0000000000000000 x26: 0000000000000000 # [ 153.828447] x25: ffff8000114f1958 x24: ffff800017023e20 # [ 153.833782] x23: 0000000000000016 x22: ffff000803e7b000 # [ 153.839114] x21: ffff800017023ff8 x20: 0000ffffb9cf7000 # [ 153.844445] x19: 0000000000000020 x18: 0000000000000000 # [ 153.849776] x17: 0000000000000000 x16: 0000000000000000 # [ 153.855107] x15: ffff800017023ff8 x14: ffffffffffffffff # [ 153.860438] x13: ffff800097023987 x12: ffff80001702398f # [ 153.865769] x11: 0000000000100000 x10: ffff8000125e82d0 # [ 153.871100] x9 : ffff80001011bcd0 x8 : ffff8000125902d0 # [ 153.876431] x7 : ffff8000125e82d0 x6 : 0000ffffb9cf7008 # [ 153.881762] x5 : 0000ffffb9cf7020 x4 : 0000000000000008 # [ 153.887093] x3 : 0000000000000010 x2 : 0000000000000018 # [ 153.892424] x1 : ffff800017024000 x0 : 0000ffffb9cf7000 # [ 153.897755] Call trace: # [ 153.900209] __arch_copy_to_user+0xa0/0x310 # [ 153.904404] do_usercopy_stack+0x28c/0x294 # [ 153.908510] lkdtm_USERCOPY_STACK_BEYOND+0x20/0x30 # [ 153.913311] lkdtm_do_action+0x24/0x40 # [ 153.917067] direct_entry+0xd0/0x140 # [ 153.920651] full_proxy_write+0x68/0xbc # [ 153.924496] vfs_write+0xec/0x20c # [ 153.927817] ksys_write+0x70/0x100 # [ 153.931225] __arm64_sys_write+0x24/0x30 # [ 153.935159] el0_svc_common.constprop.0+0x84/0x1e0 # [ 153.939961] do_el0_svc+0x2c/0x94 # [ 153.943282] el0_svc+0x20/0x30 # [ 153.946342] el0_sync_handler+0xb0/0xb4 # [ 153.950185] el0_sync+0x180/0x1c0 # [ 153.953511] Code: a8c12027 a88120c7 d503201f d503201f (a8c12027) # [ 153.959620] ---[ end trace bed7bdf0de25c32e ]--- # USERCOPY_STACK_BEYOND: saw 'call trace:': ok ok 67 selftests: lkdtm: USERCOPY_STACK_BEYOND.sh # selftests: lkdtm: USERCOPY_KERNEL.sh [ 154.460940] lkdtm: Performing direct entry USERCOPY_KERNEL [ 154.466543] lkdtm: attempting good copy_to_user from kernel rodata: ffff8000114f1e60 [ 154.474490] lkdtm: attempting bad copy_to_user from kernel text: ffff8000102d1bb0 [ 154.482080] lkdtm: FAIL: survived bad copy_to_user() # [ 154.460940] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 154.466543] lkdtm: attempting good copy_to_user from kernel rodata: ffff8000114f1e60 # [ 154.474490] lkdtm: attempting bad copy_to_user from kernel text: ffff8000102d1bb0 # [ 154.482080] 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 [ 154.995340] lkdtm: Performing direct entry STACKLEAK_ERASING [ 155.001163] lkdtm: checking unused part of the thread stack (15608 bytes)... [ 155.008325] lkdtm: FAIL: the erased part is not found (checked 15608 bytes) [ 155.015350] lkdtm: FAIL: the thread stack is NOT properly erased [ 155.021477] CPU: 2 PID: 3123 Comm: cat Tainted: G D W 5.10.154-cip19 #1 [ 155.029238] Hardware name: ARM Juno development board (r0) (DT) [ 155.035170] Call trace: [ 155.037628] dump_backtrace+0x0/0x1e4 [ 155.041300] show_stack+0x20/0x2c [ 155.044626] dump_stack+0xf8/0x168 [ 155.048037] lkdtm_STACKLEAK_ERASING+0x130/0x170 [ 155.052667] lkdtm_do_action+0x24/0x40 [ 155.056424] direct_entry+0xd0/0x140 [ 155.060009] full_proxy_write+0x68/0xbc [ 155.063856] vfs_write+0xec/0x20c [ 155.067178] ksys_write+0x70/0x100 [ 155.070588] __arm64_sys_write+0x24/0x30 [ 155.074522] el0_svc_common.constprop.0+0x84/0x1e0 [ 155.079325] do_el0_svc+0x2c/0x94 [ 155.082647] el0_svc+0x20/0x30 [ 155.085707] el0_sync_handler+0xb0/0xb4 [ 155.089552] el0_sync+0x180/0x1c0 # [ 154.995340] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 155.001163] lkdtm: checking unused part of the thread stack (15608 bytes)... # [ 155.008325] lkdtm: FAIL: the erased part is not found (checked 15608 bytes) # [ 155.015350] lkdtm: FAIL: the thread stack is NOT properly erased # [ 155.021477] CPU: 2 PID: 3123 Comm: cat Tainted: G D W 5.10.154-cip19 #1 # [ 155.029238] Hardware name: ARM Juno development board (r0) (DT) # [ 155.035170] Call trace: # [ 155.037628] dump_backtrace+0x0/0x1e4 # [ 155.041300] show_stack+0x20/0x2c # [ 155.044626] dump_stack+0xf8/0x168 # [ 155.048037] lkdtm_STACKLEAK_ERASING+0x130/0x170 # [ 155.052667] lkdtm_do_action+0x24/0x40 # [ 155.056424] direct_entry+0xd0/0x140 # [ 155.060009] full_proxy_write+0x68/0xbc # [ 155.063856] vfs_write+0xec/0x20c # [ 155.067178] ksys_write+0x70/0x100 # [ 155.070588] __arm64_sys_write+0x24/0x30 # [ 155.074522] el0_svc_common.constprop.0+0x84/0x1e0 # [ 155.079325] do_el0_svc+0x2c/0x94 # [ 155.082647] el0_svc+0x20/0x30 # [ 155.085707] el0_sync_handler+0xb0/0xb4 # [ 155.089552] 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 [ 155.572986] lkdtm: Performing direct entry CFI_FORWARD_PROTO [ 155.578729] lkdtm: Calling matched prototype ... [ 155.583421] lkdtm: Calling mismatched prototype ... [ 155.588365] lkdtm: Fail: survived mismatched prototype function call! # [ 155.572986] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 155.578729] lkdtm: Calling matched prototype ... # [ 155.583421] lkdtm: Calling mismatched prototype ... # [ 155.588365] 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 + ../../utils/send-to-lava.sh ./output/result.txt + set +x / #