The following kernel crash was noticed on arm64 Juno-r2 and Raspberry Pi 4 Model B on Linux next-20230321. Reported-by: Linux Kernel Functional Testing <lkft@xxxxxxxxxx> log: ---- [ 3.071500] Unable to handle kernel paging request at virtual address 0000000000001000 [ 3.079432] Mem abort info: [ 3.082225] ESR = 0x0000000096000004 [ 3.085977] EC = 0x25: DABT (current EL), IL = 32 bits [ 3.091295] SET = 0, FnV = 0 [ 3.094350] EA = 0, S1PTW = 0 [ 3.097491] FSC = 0x04: level 0 translation fault [ 3.102373] Data abort info: [ 3.105252] ISV = 0, ISS = 0x00000004 [ 3.109089] CM = 0, WnR = 0 [ 3.112055] [0000000000001000] user address but active_mm is swapper [ 3.114230] usb 1-1: new high-speed USB device number 2 using ehci-platform [ 3.118418] Internal error: Oops: 0000000096000004 [#1] PREEMPT SMP [ 3.118426] Modules linked in: [ 3.134717] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 6.3.0-rc3-next-20230321 #1 [ 3.142126] Hardware name: ARM Juno development board (r2) (DT) [ 3.148052] pstate: 000000c5 (nzcv daIF -PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 3.155027] pc : string (lib/vsprintf.c:644 lib/vsprintf.c:726) [ 3.158443] lr : vsnprintf (lib/vsprintf.c:2817) [ 3.162196] sp : ffff80000b34b8f0 [ 3.165511] x29: ffff80000b34b8f0 x28: ffff800009d7b1ca x27: ffff80000b34bab0 [ 3.172666] x26: ffff800009d7b1ca x25: 0000000000000020 x24: 0000000000000008 [ 3.179820] x23: 00000000ffffffd8 x22: ffff8000099858a0 x21: ffff80000b34bc30 [ 3.186973] x20: ffff80000b34ba90 x19: ffff80000b34ba98 x18: 000000003c98bfdd [ 3.194127] x17: 000000000000001c x16: 00000000eec48da2 x15: 00000000a9dbdd17 [ 3.201280] x14: ffff80000b0242e8 x13: 0000000057a049ef x12: 00000000cfa47237 [ 3.208433] x11: 0000000000000001 x10: 00000000bd5b8780 x9 : ffff80000812cbec [ 3.215586] x8 : 00000000ffffffff x7 : 0000000000000002 x6 : ffff80000b34ba98 [ 3.222739] x5 : ffffffffffffffff x4 : 0000000000000000 x3 : ffff0a00ffffff04 [ 3.229891] x2 : 0000000000001000 x1 : 0000000000000000 x0 : ffff80000b34bab0 [ 3.237044] Call trace: [ 3.239489] string (lib/vsprintf.c:644 lib/vsprintf.c:726) [ 3.242551] vsnprintf (lib/vsprintf.c:2817) [ 3.245954] vprintk_store (kernel/printk/printk.c:2200) [ 3.249712] vprintk_emit (kernel/printk/printk.c:2297) [ 3.253381] vprintk_default (kernel/printk/printk.c:2328) [ 3.257137] vprintk (kernel/printk/printk_safe.c:50) [ 3.260198] _printk (kernel/printk/printk.c:2341) [ 3.263257] sysctl_err (fs/proc/proc_sysctl.c:1109) [ 3.266577] __register_sysctl_table (fs/proc/proc_sysctl.c:1140 fs/proc/proc_sysctl.c:1383) [ 3.271202] __register_sysctl_init (fs/proc/proc_sysctl.c:1462) [ 3.275569] memory_failure_sysctl_init (mm/memory-failure.c:152) [ 3.280281] do_one_initcall (init/main.c:1306) [ 3.280453] hub 1-1:1.0: USB hub found [ 3.284123] kernel_init_freeable (init/main.c:1378 init/main.c:1395 init/main.c:1414 init/main.c:1634) [ 3.284133] kernel_init (init/main.c:1526) [ 3.288246] hub 1-1:1.0: 4 ports detected [ 3.292239] ret_from_fork (arch/arm64/kernel/entry.S:871) [ 3.292250] Code: 91000400 110004e1 eb08009f 540000c0 (38646845) All code ======== 0:* 00 04 00 add %al,(%rax,%rax,1) <-- trapping instruction 3: 91 xchg %eax,%ecx 4: e1 04 loope 0xa 6: 00 11 add %dl,(%rcx) 8: 9f lahf 9: 00 08 add %cl,(%rax) b: eb c0 jmp 0xffffffffffffffcd d: 00 00 add %al,(%rax) f: 54 push %rsp 10: 45 rex.RB 11: 68 .byte 0x68 12: 64 fs 13: 38 .byte 0x38 Code starting with the faulting instruction =========================================== 0: 45 rex.RB 1: 68 .byte 0x68 2: 64 fs 3: 38 .byte 0x38 [ 3.309416] ---[ end trace 0000000000000000 ]--- [ 3.314037] note: swapper/0[1] exited with irqs disabled [ 3.319392] Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b [ 3.327060] SMP: stopping secondary CPUs [ 3.331189] Kernel Offset: disabled [ 3.334678] CPU features: 0x400002,0c3c0400,0000421b [ 3.339649] Memory Limit: none [ 3.342708] ---[ end Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b ]--- links: ---- - https://qa-reports.linaro.org/lkft/linux-next-master-sanity/build/next-20230321/testrun/15765295/suite/log-parser-test/tests/ - https://qa-reports.linaro.org/lkft/linux-next-master-sanity/build/next-20230321/testrun/15765168/suite/log-parser-test/tests/ - https://qa-reports.linaro.org/lkft/linux-next-master-sanity/build/next-20230321/testrun/15765168/suite/log-parser-test/test/check-kernel-panic/details/ metadata: git_ref: master git_repo: https://gitlab.com/Linaro/lkft/mirrors/next/linux-next git_sha: f3594f0204b756638267242e26d9de611435c3ba git_describe: next-20230321 kernel_version: 6.3.0-rc3 kernel-config: https://storage.tuxsuite.com/public/linaro/lkft/builds/2NJ83YzjXEfP00u1LgnjMjjZfxo/config build-url: https://gitlab.com/Linaro/lkft/mirrors/next/linux-next/-/pipelines/812627412/ artifact-location: https://storage.tuxsuite.com/public/linaro/lkft/builds/2NJ83YzjXEfP00u1LgnjMjjZfxo toolchain: gcc-11 -- Linaro LKFT https://lkft.linaro.org
