./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1184118590 <...> Warning: Permanently added '10.128.0.148' (ED25519) to the list of known hosts. execve("./syz-executor1184118590", ["./syz-executor1184118590"], 0x7ffd9d8366c0 /* 10 vars */) = 0 brk(NULL) = 0x555556d58000 brk(0x555556d58d00) = 0x555556d58d00 arch_prctl(ARCH_SET_FS, 0x555556d58380) = 0 set_tid_address(0x555556d58650) = 5068 set_robust_list(0x555556d58660, 24) = 0 rseq(0x555556d58ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor1184118590", 4096) = 28 getrandom("\xa1\x49\x84\x1a\x9b\x87\x10\xa6", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555556d58d00 brk(0x555556d79d00) = 0x555556d79d00 brk(0x555556d7a000) = 0x555556d7a000 mprotect(0x7f7ed6e14000, 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=0x555556d58650) = 5069 ./strace-static-x86_64: Process 5069 attached [pid 5069] set_robust_list(0x555556d58660, 24) = 0 [pid 5069] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5069] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5069] setsid() = 1 [pid 5069] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5069] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5069] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5069] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5069] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5069] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5069] unshare(CLONE_NEWNS) = 0 [pid 5069] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5069] unshare(CLONE_NEWIPC) = 0 [pid 5069] unshare(CLONE_NEWCGROUP) = 0 [pid 5069] unshare(CLONE_NEWUTS) = 0 [pid 5069] unshare(CLONE_SYSVSEM) = 0 [pid 5069] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5069] write(3, "16777216", 8) = 8 [pid 5069] close(3) = 0 [pid 5069] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5069] write(3, "536870912", 9) = 9 [pid 5069] close(3) = 0 [pid 5069] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5069] write(3, "1024", 4) = 4 [pid 5069] close(3) = 0 [pid 5069] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5069] write(3, "8192", 4) = 4 [pid 5069] close(3) = 0 [pid 5069] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5069] write(3, "1024", 4) = 4 [pid 5069] close(3) = 0 [pid 5069] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5069] write(3, "1024", 4) = 4 [pid 5069] close(3) = 0 [pid 5069] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5069] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5069] close(3) = 0 [pid 5069] getpid() = 1 [pid 5069] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 0b e8 8d 4d b4 fd 90 0f 0b 90 e9 f2 fe ff ff e8 7f 4d b4 fd e8 [ 72.338383][ T5069] RSP: 0018:ffffc90004457818 EFLAGS: 00010293 [ 72.344445][ T5069] RAX: ffffffff83df1fbb RBX: 0000000000000002 RCX: ffff888026c53b80 [ 72.352410][ T5069] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 [ 72.360369][ T5069] RBP: 0000000000000000 R08: ffffffff83df18aa R09: 1ffff1100f5bd2cc [ 72.368331][ T5069] R10: dffffc0000000000 R11: ffffed100f5bd2cd R12: 1ffff1100f5bd23e [ 72.376294][ T5069] R13: ffff88807ade91b0 R14: ffff88807ade9660 R15: dffffc0000000000 [ 72.384263][ T5069] FS: 0000000000000000(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 [ 72.393193][ T5069] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 72.399763][ T5069] CR2: 00007f7ed6e18130 CR3: 000000000df32000 CR4: 0000000000350ef0 [ 72.407727][ T5069] Call Trace: [ 72.410995][ T5069] [ 72.413917][ T5069] ? __die_body+0x8b/0xe0 [ 72.418251][ T5069] ? die+0xcf/0x110 [ 72.422064][ T5069] ? do_trap+0x157/0x390 [ 72.426306][ T5069] ? f2fs_evict_inode+0x157c/0x15a0 [ 72.431501][ T5069] ? do_error_trap+0x1dc/0x2c0 [ 72.436266][ T5069] ? f2fs_evict_inode+0x157c/0x15a0 [ 72.441463][ T5069] ? __pfx_do_error_trap+0x10/0x10 [ 72.446573][ T5069] ? srso_return_thunk+0x5/0x5f [ 72.451427][ T5069] ? srso_return_thunk+0x5/0x5f [ 72.456274][ T5069] ? handle_invalid_op+0x34/0x40 [ 72.461208][ T5069] ? f2fs_evict_inode+0x157c/0x15a0 [ 72.466401][ T5069] ? exc_invalid_op+0x38/0x50 [ 72.471066][ T5069] ? asm_exc_invalid_op+0x1a/0x20 [ 72.476092][ T5069] ? f2fs_evict_inode+0xe6a/0x15a0 [ 72.481202][ T5069] ? f2fs_evict_inode+0x157b/0x15a0 [ 72.486412][ T5069] ? f2fs_evict_inode+0x157c/0x15a0 [ 72.491604][ T5069] ? f2fs_evict_inode+0x157b/0x15a0 [ 72.496801][ T5069] ? __pfx_wake_bit_function+0x10/0x10 [ 72.502267][ T5069] ? srso_return_thunk+0x5/0x5f [ 72.507115][ T5069] ? do_raw_spin_unlock+0x13b/0x8b0 [ 72.512313][ T5069] ? _raw_spin_unlock+0x28/0x50 [ 72.517632][ T5069] ? __pfx_f2fs_evict_inode+0x10/0x10 [ 72.523009][ T5069] evict+0x2aa/0x630 [ 72.526908][ T5069] evict_inodes+0x5f8/0x690 [ 72.531411][ T5069] ? __pfx_evict_inodes+0x10/0x10 [ 72.536436][ T5069] ? dput+0x37/0x2b0 [ 72.540337][ T5069] ? srso_return_thunk+0x5/0x5f [ 72.545267][ T5069] generic_shutdown_super+0x9d/0x2d0 [ 72.550613][ T5069] kill_block_super+0x44/0x90 [ 72.555337][ T5069] kill_f2fs_super+0x344/0x690 [ 72.560139][ T5069] ? __pfx_kill_f2fs_super+0x10/0x10 [ 72.565484][ T5069] ? srso_return_thunk+0x5/0x5f [ 72.570356][ T5069] ? shrinker_free+0x2c7/0x3d0 [ 72.575189][ T5069] deactivate_locked_super+0xc6/0x130 [ 72.580593][ T5069] cleanup_mnt+0x426/0x4c0 [ 72.585018][ T5069] ? _raw_spin_unlock_irq+0x23/0x50 [ 72.590225][ T5069] ? srso_return_thunk+0x5/0x5f [ 72.595086][ T5069] task_work_run+0x250/0x310 [ 72.599708][ T5069] ? __pfx_task_work_run+0x10/0x10 [ 72.604849][ T5069] ? srso_return_thunk+0x5/0x5f [ 72.609707][ T5069] ? kmem_cache_free+0x102/0x2a0 [ 72.614673][ T5069] do_exit+0xa2c/0x2740 [ 72.618843][ T5069] ? __pfx_do_exit+0x10/0x10 [ 72.623444][ T5069] ? srso_return_thunk+0x5/0x5f [ 72.628300][ T5069] ? lockdep_hardirqs_on_prepare+0x43c/0x780 [ 72.634300][ T5069] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 72.640647][ T5069] ? _raw_spin_unlock_irq+0x23/0x50 [ 72.645860][ T5069] ? srso_return_thunk+0x5/0x5f [ 72.650711][ T5069] ? lockdep_hardirqs_on+0x98/0x140 [ 72.655923][ T5069] do_group_exit+0x206/0x2c0 [ 72.660525][ T5069] __x64_sys_exit_group+0x3f/0x40 [ 72.665553][ T5069] do_syscall_64+0xfb/0x240 [ 72.670062][ T5069] entry_SYSCALL_64_after_hwframe+0x6f/0x77 [ 72.675962][ T5069] RIP: 0033:0x7f7ed6d99749 [ 72.680368][ T5069] Code: Unable to access opcode bytes at 0x7f7ed6d9971f. [ 72.687373][ T5069] RSP: 002b:00007ffc31ffa568 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 72.695778][ T5069] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f7ed6d99749 [ 72.703742][ T5069] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 72.711709][ T5069] RBP: 00007f7ed6e1a2b0 R08: ffffffffffffffb8 R09: 00007ffc31ffa640 [ 72.719685][ T5069] R10: 00007ffc31ffa490 R11: 0000000000000246 R12: 00007f7ed6e1a2b0 [ 72.727734][ T5069] R13: 0000000000000000 R14: 00007f7ed6e1b020 R15: 00007f7ed6d67c90 [ 72.735703][ T5069] [ 72.738708][ T5069] Modules linked in: [ 72.743005][ T5069] ---[ end trace 0000000000000000 ]--- [ 72.748679][ T5069] RIP: 0010:f2fs_evict_inode+0x157c/0x15a0 [ 72.756313][ T5069] Code: ff 89 de e8 b6 50 b4 fd 40 84 ed 75 2d e8 ac 4d b4 fd 4c 8b 74 24 08 e9 c5 eb ff ff e8 9d 4d b4 fd 90 0f 0b e8 95 4d b4 fd 90 <0f> 0b e8 8d 4d b4 fd 90 0f 0b 90 e9 f2 fe ff ff e8 7f 4d b4 fd e8 [ 72.776742][ T5069] RSP: 0018:ffffc90004457818 EFLAGS: 00010293 [ 72.782837][ T5069] RAX: ffffffff83df1fbb RBX: 0000000000000002 RCX: ffff888026c53b80 [ 72.790818][ T5069] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 [ 72.798809][ T5069] RBP: 0000000000000000 R08: ffffffff83df18aa R09: 1ffff1100f5bd2cc [ 72.806810][ T5069] R10: dffffc0000000000 R11: ffffed100f5bd2cd R12: 1ffff1100f5bd23e [ 72.814806][ T5069] R13: ffff88807ade91b0 R14: ffff88807ade9660 R15: dffffc0000000000 [ 72.822824][ T5069] FS: 0000000000000000(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 [ 72.831778][ T5069] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 72.838350][ T5069] CR2: 00007f7ed6e18130 CR3: 000000000df32000 CR4: 0000000000350ef0 [ 72.846352][ T5069] Kernel panic - not syncing: Fatal exception [ 72.852634][ T5069] Kernel Offset: disabled [ 72.856948][ T5069] Rebooting in 86400 seconds..