./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2206611693 <...> Warning: Permanently added '10.128.1.151' (ECDSA) to the list of known hosts. execve("./syz-executor2206611693", ["./syz-executor2206611693"], 0x7ffe2913ae20 /* 10 vars */) = 0 brk(NULL) = 0x5555573a1000 brk(0x5555573a1c40) = 0x5555573a1c40 arch_prctl(ARCH_SET_FS, 0x5555573a1300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor2206611693", 4096) = 28 brk(0x5555573c2c40) = 0x5555573c2c40 brk(0x5555573c3000) = 0x5555573c3000 mprotect(0x7f309bef1000, 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 5014 attached , child_tidptr=0x5555573a15d0) = 5014 [pid 5014] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5014] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5014] setsid() = 1 [pid 5014] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5014] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5014] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5014] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5014] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5014] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5014] unshare(CLONE_NEWNS) = 0 [pid 5014] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5014] unshare(CLONE_NEWIPC) = 0 [pid 5014] unshare(CLONE_NEWCGROUP) = 0 [pid 5014] unshare(CLONE_NEWUTS) = 0 [pid 5014] unshare(CLONE_SYSVSEM) = 0 [pid 5014] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5014] write(3, "16777216", 8) = 8 [pid 5014] close(3) = 0 [pid 5014] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5014] write(3, "536870912", 9) = 9 [pid 5014] close(3) = 0 [pid 5014] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5014] write(3, "1024", 4) = 4 [pid 5014] close(3) = 0 [pid 5014] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5014] write(3, "8192", 4) = 4 [pid 5014] close(3) = 0 [pid 5014] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5014] write(3, "1024", 4) = 4 [pid 5014] close(3) = 0 [pid 5014] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5014] write(3, "1024", 4) = 4 [pid 5014] close(3) = 0 [pid 5014] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5014] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5014] close(3) = 0 [pid 5014] getpid() = 1 [pid 5014] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 0b e8 5c 22 e2 fd 48 c7 c0 a8 3a 18 8d 48 ba 00 00 00 00 00 fc [ 62.777717][ T5014] RSP: 0018:ffffc90003a6fa00 EFLAGS: 00010293 [ 62.783778][ T5014] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000 [ 62.791729][ T5014] RDX: ffff8880273b8000 RSI: ffffffff83a2bd0d RDI: 0000000000000007 [ 62.799707][ T5014] RBP: ffff888077db91b0 R08: 0000000000000007 R09: 0000000000000000 [ 62.808636][ T5014] R10: 0000000000000001 R11: 0000000000000001 R12: ffff888029a3c000 [ 62.816631][ T5014] R13: ffff888077db9660 R14: ffff888029a3c0b8 R15: ffff888077db9c50 [ 62.824677][ T5014] FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 62.833672][ T5014] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 62.840253][ T5014] CR2: 00007f1909bb9000 CR3: 00000000276a9000 CR4: 0000000000350ef0 [ 62.848206][ T5014] Call Trace: [ 62.851466][ T5014] [ 62.854373][ T5014] ? die+0x32/0x90 [ 62.858082][ T5014] ? do_trap+0x1b2/0x3f0 [ 62.862333][ T5014] ? f2fs_evict_inode+0x172d/0x1e00 [ 62.867513][ T5014] ? f2fs_evict_inode+0x172d/0x1e00 [ 62.872687][ T5014] ? do_error_trap+0xb1/0x170 [ 62.877345][ T5014] ? f2fs_evict_inode+0x172d/0x1e00 [ 62.882526][ T5014] ? handle_invalid_op+0x2c/0x30 [ 62.887463][ T5014] ? f2fs_evict_inode+0x172d/0x1e00 [ 62.892643][ T5014] ? exc_invalid_op+0x2f/0x50 [ 62.897313][ T5014] ? asm_exc_invalid_op+0x1a/0x20 [ 62.902319][ T5014] ? f2fs_evict_inode+0x172d/0x1e00 [ 62.908189][ T5014] ? f2fs_evict_inode+0x172d/0x1e00 [ 62.913365][ T5014] ? spin_bug+0x1c0/0x1c0 [ 62.917700][ T5014] ? f2fs_write_inode+0xd80/0xd80 [ 62.922724][ T5014] evict+0x2ed/0x6b0 [ 62.926621][ T5014] dispose_list+0x117/0x1e0 [ 62.931113][ T5014] evict_inodes+0x345/0x440 [ 62.935597][ T5014] ? dispose_list+0x1e0/0x1e0 [ 62.940251][ T5014] ? sync_blockdev+0x79/0x90 [ 62.944817][ T5014] ? sync_filesystem.part.0+0x181/0x1d0 [ 62.950345][ T5014] generic_shutdown_super+0xaf/0x480 [ 62.955607][ T5014] kill_block_super+0x64/0xb0 [ 62.960261][ T5014] kill_f2fs_super+0x2af/0x3c0 [ 62.965004][ T5014] ? f2fs_drop_inode+0xa50/0xa50 [ 62.969924][ T5014] ? rcu_is_watching+0x12/0xb0 [ 62.974669][ T5014] ? kfree+0x10e/0x150 [ 62.978719][ T5014] ? unregister_shrinker+0x1f9/0x300 [ 62.983986][ T5014] deactivate_locked_super+0x98/0x160 [ 62.989336][ T5014] deactivate_super+0xb1/0xd0 [ 62.994009][ T5014] cleanup_mnt+0x2ae/0x3d0 [ 62.998428][ T5014] task_work_run+0x16f/0x270 [ 63.003003][ T5014] ? task_work_cancel+0x30/0x30 [ 63.007834][ T5014] ? __put_net+0x61/0x70 [ 63.012055][ T5014] do_exit+0xa9a/0x29a0 [ 63.016193][ T5014] ? lock_downgrade+0x690/0x690 [ 63.021047][ T5014] ? do_raw_spin_lock+0x124/0x2b0 [ 63.026051][ T5014] ? mm_update_next_owner+0x7b0/0x7b0 [ 63.031405][ T5014] ? spin_bug+0x1c0/0x1c0 [ 63.035740][ T5014] ? _raw_spin_unlock_irq+0x23/0x50 [ 63.040920][ T5014] do_group_exit+0xd4/0x2a0 [ 63.045435][ T5014] __x64_sys_exit_group+0x3e/0x50 [ 63.050449][ T5014] do_syscall_64+0x39/0xb0 [ 63.054850][ T5014] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 63.060727][ T5014] RIP: 0033:0x7f309be71a09 [ 63.065114][ T5014] Code: Unable to access opcode bytes at 0x7f309be719df. [ 63.072109][ T5014] RSP: 002b:00007fff171df518 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 63.080516][ T5014] RAX: ffffffffffffffda RBX: 00007f309bef7330 RCX: 00007f309be71a09 [ 63.088489][ T5014] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 63.096439][ T5014] RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 00007f309bef1e40 [ 63.104385][ T5014] R10: 0000000000010600 R11: 0000000000000246 R12: 00007f309bef7330 [ 63.112337][ T5014] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 63.120289][ T5014] [ 63.123373][ T5014] Modules linked in: [ 63.127582][ T5014] ---[ end trace 0000000000000000 ]--- [ 63.133069][ T5014] RIP: 0010:f2fs_evict_inode+0x172d/0x1e00 [ 63.138966][ T5014] Code: ff df 48 c1 ea 03 80 3c 02 00 0f 85 6a 06 00 00 8b 75 40 ba 01 00 00 00 4c 89 e7 e8 6d ce 06 00 e9 aa fc ff ff e8 63 22 e2 fd <0f> 0b e8 5c 22 e2 fd 48 c7 c0 a8 3a 18 8d 48 ba 00 00 00 00 00 fc [ 63.160596][ T5014] RSP: 0018:ffffc90003a6fa00 EFLAGS: 00010293 [ 63.166824][ T5014] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000 [ 63.174797][ T5014] RDX: ffff8880273b8000 RSI: ffffffff83a2bd0d RDI: 0000000000000007 [ 63.182789][ T5014] RBP: ffff888077db91b0 R08: 0000000000000007 R09: 0000000000000000 [ 63.190834][ T5014] R10: 0000000000000001 R11: 0000000000000001 R12: ffff888029a3c000 [ 63.198866][ T5014] R13: ffff888077db9660 R14: ffff888029a3c0b8 R15: ffff888077db9c50 [ 63.206872][ T5014] FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 63.215854][ T5014] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 63.222622][ T5014] CR2: 00007f1909bb9000 CR3: 00000000276a9000 CR4: 0000000000350ef0 [ 63.230651][ T5014] Kernel panic - not syncing: Fatal exception [ 63.237634][ T5014] Kernel Offset: disabled [ 63.241973][ T5014] Rebooting in 86400 seconds..