./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2949070136 <...> Warning: Permanently added '10.128.1.172' (ED25519) to the list of known hosts. execve("./syz-executor2949070136", ["./syz-executor2949070136"], 0x7ffd3e285f40 /* 10 vars */) = 0 brk(NULL) = 0x555555ef7000 brk(0x555555ef7d00) = 0x555555ef7d00 arch_prctl(ARCH_SET_FS, 0x555555ef7380) = 0 set_tid_address(0x555555ef7650) = 5041 set_robust_list(0x555555ef7660, 24) = 0 rseq(0x555555ef7ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2949070136", 4096) = 28 getrandom("\x67\xd5\x71\x42\xd1\xeb\x44\x8d", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555555ef7d00 brk(0x555555f18d00) = 0x555555f18d00 brk(0x555555f19000) = 0x555555f19000 mprotect(0x7f676e232000, 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, child_tidptr=0x555555ef7650) = 5042 ./strace-static-x86_64: Process 5042 attached [pid 5042] set_robust_list(0x555555ef7660, 24) = 0 [pid 5042] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5042] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5042] setsid() = 1 [pid 5042] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5042] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5042] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5042] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5042] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5042] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5042] unshare(CLONE_NEWNS) = 0 [pid 5042] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5042] unshare(CLONE_NEWIPC) = 0 [pid 5042] unshare(CLONE_NEWCGROUP) = 0 [pid 5042] unshare(CLONE_NEWUTS) = 0 [pid 5042] unshare(CLONE_SYSVSEM) = 0 [pid 5042] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5042] write(3, "16777216", 8) = 8 [pid 5042] close(3) = 0 [pid 5042] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5042] write(3, "536870912", 9) = 9 [pid 5042] close(3) = 0 [pid 5042] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5042] write(3, "1024", 4) = 4 [pid 5042] close(3) = 0 [pid 5042] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5042] write(3, "8192", 4) = 4 [pid 5042] close(3) = 0 [pid 5042] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5042] write(3, "1024", 4) = 4 [pid 5042] close(3) = 0 [pid 5042] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5042] write(3, "1024", 4) = 4 [pid 5042] close(3) = 0 [pid 5042] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5042] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5042] close(3) = 0 [pid 5042] getpid() = 1 [pid 5042] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 0b e8 9f 65 da fd 48 c7 c0 28 71 19 8d 48 ba 00 00 00 00 00 fc [ 75.896022][ T5042] RSP: 0018:ffffc900039dfa10 EFLAGS: 00010293 [ 75.902095][ T5042] RAX: 0000000000000000 RBX: ffff888073c191b0 RCX: 0000000000000000 [ 75.910233][ T5042] RDX: ffff888024731dc0 RSI: ffffffff83ad61da RDI: 0000000000000007 [ 75.918193][ T5042] RBP: ffff88807a4dc000 R08: 0000000000000007 R09: 0000000000000000 [ 75.926180][ T5042] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000001 [ 75.934138][ T5042] R13: 0000000000000000 R14: ffff88807a4dd498 R15: ffff888073c19660 [ 75.942097][ T5042] FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 75.951101][ T5042] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 75.957758][ T5042] CR2: 00007fc0cf595ed8 CR3: 00000000294a5000 CR4: 00000000003506f0 [ 75.965740][ T5042] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 75.973793][ T5042] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 75.981761][ T5042] Call Trace: [ 75.985035][ T5042] [ 75.987955][ T5042] ? show_regs+0x8f/0xa0 [ 75.992218][ T5042] ? die+0x36/0xa0 [ 75.995966][ T5042] ? do_trap+0x22b/0x420 [ 76.000289][ T5042] ? f2fs_evict_inode+0x178a/0x1e70 [ 76.005487][ T5042] ? f2fs_evict_inode+0x178a/0x1e70 [ 76.010688][ T5042] ? do_error_trap+0xf4/0x230 [ 76.015372][ T5042] ? f2fs_evict_inode+0x178a/0x1e70 [ 76.020646][ T5042] ? handle_invalid_op+0x34/0x40 [ 76.025614][ T5042] ? f2fs_evict_inode+0x178a/0x1e70 [ 76.030834][ T5042] ? exc_invalid_op+0x2d/0x40 [ 76.035497][ T5042] ? asm_exc_invalid_op+0x1a/0x20 [ 76.040530][ T5042] ? f2fs_evict_inode+0x178a/0x1e70 [ 76.046089][ T5042] ? f2fs_evict_inode+0x178a/0x1e70 [ 76.051607][ T5042] ? spin_bug+0x1d0/0x1d0 [ 76.056262][ T5042] ? f2fs_write_inode+0xd90/0xd90 [ 76.061293][ T5042] evict+0x2ed/0x6b0 [ 76.065192][ T5042] dispose_list+0x117/0x1e0 [ 76.069689][ T5042] evict_inodes+0x34f/0x450 [ 76.074188][ T5042] ? dispose_list+0x1e0/0x1e0 [ 76.078855][ T5042] ? sync_blockdev+0x76/0x90 [ 76.083440][ T5042] generic_shutdown_super+0xaf/0x480 [ 76.088817][ T5042] kill_block_super+0x3b/0x70 [ 76.093481][ T5042] kill_f2fs_super+0x2b7/0x3d0 [ 76.098238][ T5042] ? trace_event_raw_event_f2fs_unlink_enter+0x450/0x450 [ 76.105344][ T5042] ? rcu_is_watching+0x12/0xb0 [ 76.110096][ T5042] ? kfree+0x10b/0x140 [ 76.114357][ T5042] ? unregister_shrinker+0x1f9/0x300 [ 76.119642][ T5042] deactivate_locked_super+0x9a/0x170 [ 76.125034][ T5042] deactivate_super+0xde/0x100 [ 76.129825][ T5042] cleanup_mnt+0x222/0x3d0 [ 76.134516][ T5042] task_work_run+0x14d/0x240 [ 76.139294][ T5042] ? task_work_cancel+0x30/0x30 [ 76.144140][ T5042] ? __put_net+0x61/0x70 [ 76.148374][ T5042] do_exit+0xa99/0x2a20 [ 76.153408][ T5042] ? do_group_exit+0x1c5/0x2a0 [ 76.158279][ T5042] ? reacquire_held_locks+0x4b0/0x4b0 [ 76.163657][ T5042] ? do_raw_spin_lock+0x12e/0x2b0 [ 76.168723][ T5042] ? mm_update_next_owner+0x850/0x850 [ 76.174215][ T5042] ? spin_bug+0x1d0/0x1d0 [ 76.178610][ T5042] ? rcu_is_watching+0x12/0xb0 [ 76.183392][ T5042] do_group_exit+0xd4/0x2a0 [ 76.187912][ T5042] __x64_sys_exit_group+0x3e/0x50 [ 76.193397][ T5042] do_syscall_64+0x38/0xb0 [ 76.198532][ T5042] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 76.204437][ T5042] RIP: 0033:0x7f676e1ac789 [ 76.208851][ T5042] Code: Unable to access opcode bytes at 0x7f676e1ac75f. [ 76.215953][ T5042] RSP: 002b:00007ffd73db84b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 76.224353][ T5042] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f676e1ac789 [ 76.232705][ T5042] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 76.240849][ T5042] RBP: 00007f676e2382d0 R08: ffffffffffffffb8 R09: 00007ffd73db8590 [ 76.248995][ T5042] R10: 0000000000010600 R11: 0000000000000246 R12: 00007f676e2382d0 [ 76.256983][ T5042] R13: 0000000000000000 R14: 00007f676e239040 R15: 00007f676e17acd0 [ 76.265058][ T5042] [ 76.268065][ T5042] Modules linked in: [ 76.273119][ T5042] ---[ end trace 0000000000000000 ]--- [ 76.278933][ T5042] RIP: 0010:f2fs_evict_inode+0x178a/0x1e70 [ 76.284848][ T5042] Code: ff df 48 c1 ea 03 80 3c 02 00 0f 85 d8 05 00 00 8b 73 40 ba 01 00 00 00 48 89 ef e8 90 1d 07 00 e9 a3 fc ff ff e8 a6 65 da fd <0f> 0b e8 9f 65 da fd 48 c7 c0 28 71 19 8d 48 ba 00 00 00 00 00 fc [ 76.304994][ T5042] RSP: 0018:ffffc900039dfa10 EFLAGS: 00010293 [ 76.311142][ T5042] RAX: 0000000000000000 RBX: ffff888073c191b0 RCX: 0000000000000000 [ 76.319195][ T5042] RDX: ffff888024731dc0 RSI: ffffffff83ad61da RDI: 0000000000000007 [ 76.327199][ T5042] RBP: ffff88807a4dc000 R08: 0000000000000007 R09: 0000000000000000 [ 76.335323][ T5042] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000001 [ 76.343325][ T5042] R13: 0000000000000000 R14: ffff88807a4dd498 R15: ffff888073c19660 [ 76.351519][ T5042] FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 76.360750][ T5042] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 76.367757][ T5042] CR2: 00007fc0cf595ed8 CR3: 000000001a34c000 CR4: 00000000003506f0 [ 76.375852][ T5042] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 76.384776][ T5042] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 76.392819][ T5042] Kernel panic - not syncing: Fatal exception [ 76.399090][ T5042] Kernel Offset: disabled [ 76.403404][ T5042] Rebooting in 86400 seconds..