./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3908658601 <...> Warning: Permanently added '10.128.0.39' (ED25519) to the list of known hosts. execve("./syz-executor3908658601", ["./syz-executor3908658601"], 0x7ffc66be07c0 /* 10 vars */) = 0 brk(NULL) = 0x55555c11a000 brk(0x55555c11ad00) = 0x55555c11ad00 arch_prctl(ARCH_SET_FS, 0x55555c11a380) = 0 set_tid_address(0x55555c11a650) = 5218 set_robust_list(0x55555c11a660, 24) = 0 rseq(0x55555c11aca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3908658601", 4096) = 28 getrandom("\xfc\x42\xd5\xf5\x5a\x08\xb0\x28", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55555c11ad00 brk(0x55555c13bd00) = 0x55555c13bd00 brk(0x55555c13c000) = 0x55555c13c000 mprotect(0x7ff800043000, 16384, PROT_READ) = 0 mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000 mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000 mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000 unshare(CLONE_NEWPID) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5219 attached , child_tidptr=0x55555c11a650) = 5219 [pid 5219] set_robust_list(0x55555c11a660, 24) = 0 [pid 5219] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5219] setsid() = 1 [pid 5219] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5219] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5219] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5219] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5219] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5219] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5219] unshare(CLONE_NEWNS) = 0 [pid 5219] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5219] unshare(CLONE_NEWIPC) = 0 [pid 5219] unshare(CLONE_NEWCGROUP) = 0 [pid 5219] unshare(CLONE_NEWUTS) = 0 [pid 5219] unshare(CLONE_SYSVSEM) = 0 [pid 5219] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5219] write(3, "16777216", 8) = 8 [pid 5219] close(3) = 0 [pid 5219] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5219] write(3, "536870912", 9) = 9 [pid 5219] close(3) = 0 [pid 5219] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5219] write(3, "1024", 4) = 4 [pid 5219] close(3) = 0 [pid 5219] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5219] write(3, "8192", 4) = 4 [pid 5219] close(3) = 0 [pid 5219] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5219] write(3, "1024", 4) = 4 [pid 5219] close(3) = 0 [pid 5219] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5219] write(3, "1024", 4) = 4 [pid 5219] close(3) = 0 [pid 5219] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5219] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5219] close(3) = 0 [pid 5219] getpid() = 1 [pid 5219] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 0b 0f 1f 40 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 [ 65.450190][ T5219] RSP: 0018:ffffc900037b7b80 EFLAGS: 00010246 [ 65.456274][ T5219] RAX: 000000000000002f RBX: ffffffff8ee52a60 RCX: f25d8a2d2fe16600 [ 65.464248][ T5219] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 65.472222][ T5219] RBP: 1ffff1100f676cf0 R08: ffffffff8174af9c R09: 1ffff110170c519a [ 65.480197][ T5219] R10: dffffc0000000000 R11: ffffed10170c519b R12: ffff88807b3b6668 [ 65.488191][ T5219] R13: dffffc0000000000 R14: ffffffff8c49f1d8 R15: ffff88807b3b6780 [ 65.496187][ T5219] FS: 0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 [ 65.505123][ T5219] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 65.511712][ T5219] CR2: 00005650b3e94088 CR3: 000000007d934000 CR4: 00000000003526f0 [ 65.519695][ T5219] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 65.527674][ T5219] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 65.535652][ T5219] Call Trace: [ 65.538932][ T5219] [ 65.541868][ T5219] ? __die_body+0x5f/0xb0 [ 65.546209][ T5219] ? die+0x9e/0xc0 [ 65.549935][ T5219] ? do_trap+0x15a/0x3a0 [ 65.554189][ T5219] ? generic_shutdown_super+0x2ca/0x2d0 [ 65.559740][ T5219] ? do_error_trap+0x1dc/0x2c0 [ 65.564516][ T5219] ? generic_shutdown_super+0x2ca/0x2d0 [ 65.570078][ T5219] ? __pfx_do_error_trap+0x10/0x10 [ 65.575218][ T5219] ? report_bug+0x3e8/0x500 [ 65.579764][ T5219] ? handle_invalid_op+0x34/0x40 [ 65.584727][ T5219] ? generic_shutdown_super+0x2ca/0x2d0 [ 65.590298][ T5219] ? exc_invalid_op+0x38/0x50 [ 65.594987][ T5219] ? asm_exc_invalid_op+0x1a/0x20 [ 65.600028][ T5219] ? __wake_up_klogd+0xcc/0x110 [ 65.604900][ T5219] ? generic_shutdown_super+0x2ca/0x2d0 [ 65.610457][ T5219] kill_block_super+0x44/0x90 [ 65.615150][ T5219] deactivate_locked_super+0xc4/0x130 [ 65.620530][ T5219] cleanup_mnt+0x41f/0x4b0 [ 65.624951][ T5219] ? lockdep_hardirqs_on+0x99/0x150 [ 65.630166][ T5219] task_work_run+0x24f/0x310 [ 65.634763][ T5219] ? kasan_quarantine_put+0xdc/0x230 [ 65.640067][ T5219] ? __pfx_task_work_run+0x10/0x10 [ 65.645187][ T5219] ? do_exit+0xa2a/0x28e0 [ 65.649522][ T5219] ? kmem_cache_free+0x1a2/0x420 [ 65.654468][ T5219] ? do_exit+0xa2a/0x28e0 [ 65.658804][ T5219] do_exit+0xa2f/0x28e0 [ 65.662964][ T5219] ? __pfx_do_exit+0x10/0x10 [ 65.667558][ T5219] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 65.673553][ T5219] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 65.679893][ T5219] ? _raw_spin_unlock_irq+0x23/0x50 [ 65.685105][ T5219] ? lockdep_hardirqs_on+0x99/0x150 [ 65.690307][ T5219] do_group_exit+0x207/0x2c0 [ 65.694980][ T5219] __x64_sys_exit_group+0x3f/0x40 [ 65.700031][ T5219] x64_sys_call+0x2634/0x2640 [ 65.704743][ T5219] do_syscall_64+0xf3/0x230 [ 65.709269][ T5219] ? clear_bhb_loop+0x35/0x90 [ 65.713962][ T5219] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 65.719879][ T5219] RIP: 0033:0x7ff7fffc8d89 [ 65.724315][ T5219] Code: Unable to access opcode bytes at 0x7ff7fffc8d5f. [ 65.731334][ T5219] RSP: 002b:00007fffe1d47ec8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 65.739758][ T5219] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007ff7fffc8d89 [ 65.747733][ T5219] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 65.755706][ T5219] RBP: 00007ff800049370 R08: ffffffffffffffb8 R09: 0000000000000006 [ 65.763679][ T5219] R10: 00007fffe1d47df0 R11: 0000000000000246 R12: 00007ff800049370 [ 65.771673][ T5219] R13: 0000000000000000 R14: 00007ff80004a0e0 R15: 00007ff7fff97070 [ 65.779665][ T5219] [ 65.782688][ T5219] Modules linked in: [ 65.786893][ T5219] ---[ end trace 0000000000000000 ]--- [ 65.792632][ T5219] RIP: 0010:generic_shutdown_super+0x2ca/0x2d0 [ 65.799027][ T5219] Code: 1b 48 89 d8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 df e8 39 28 ed ff 48 8b 13 48 c7 c7 40 bd 18 8c 4c 89 e6 e8 b7 67 ac 09 90 <0f> 0b 0f 1f 40 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 [ 65.818770][ T5219] RSP: 0018:ffffc900037b7b80 EFLAGS: 00010246 [ 65.824877][ T5219] RAX: 000000000000002f RBX: ffffffff8ee52a60 RCX: f25d8a2d2fe16600 [ 65.832925][ T5219] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 65.840954][ T5219] RBP: 1ffff1100f676cf0 R08: ffffffff8174af9c R09: 1ffff110170c519a [ 65.849020][ T5219] R10: dffffc0000000000 R11: ffffed10170c519b R12: ffff88807b3b6668 [ 65.857085][ T5219] R13: dffffc0000000000 R14: ffffffff8c49f1d8 R15: ffff88807b3b6780 [ 65.865136][ T5219] FS: 0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 [ 65.874144][ T5219] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 65.880788][ T5219] CR2: 00007ff800047130 CR3: 000000000e734000 CR4: 00000000003526f0 [ 65.889169][ T5219] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 65.897205][ T5219] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 65.905189][ T5219] Kernel panic - not syncing: Fatal exception [ 65.911486][ T5219] Kernel Offset: disabled [ 65.915817][ T5219] Rebooting in 86400 seconds..