./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2145931653 <...> Warning: Permanently added '10.128.0.231' (ED25519) to the list of known hosts. execve("./syz-executor2145931653", ["./syz-executor2145931653"], 0x7ffd8c947d70 /* 10 vars */) = 0 brk(NULL) = 0x555560e18000 brk(0x555560e18d00) = 0x555560e18d00 arch_prctl(ARCH_SET_FS, 0x555560e18380) = 0 set_tid_address(0x555560e18650) = 5091 set_robust_list(0x555560e18660, 24) = 0 rseq(0x555560e18ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2145931653", 4096) = 28 getrandom("\x7e\x72\x6e\xd9\x97\x24\x65\x8b", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555560e18d00 brk(0x555560e39d00) = 0x555560e39d00 brk(0x555560e3a000) = 0x555560e3a000 mprotect(0x7fb5a6b85000, 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 5092 attached , child_tidptr=0x555560e18650) = 5092 [pid 5092] set_robust_list(0x555560e18660, 24) = 0 [pid 5092] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5092] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5092] setsid() = 1 [pid 5092] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5092] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5092] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5092] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5092] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5092] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5092] unshare(CLONE_NEWNS) = 0 [pid 5092] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5092] unshare(CLONE_NEWIPC) = 0 [pid 5092] unshare(CLONE_NEWCGROUP) = 0 [pid 5092] unshare(CLONE_NEWUTS) = 0 [pid 5092] unshare(CLONE_SYSVSEM) = 0 [pid 5092] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5092] write(3, "16777216", 8) = 8 [pid 5092] close(3) = 0 [pid 5092] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5092] write(3, "536870912", 9) = 9 [pid 5092] close(3) = 0 [pid 5092] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5092] write(3, "1024", 4) = 4 [pid 5092] close(3) = 0 [pid 5092] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5092] write(3, "8192", 4) = 4 [pid 5092] close(3) = 0 [pid 5092] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5092] write(3, "1024", 4) = 4 [pid 5092] close(3) = 0 [pid 5092] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5092] write(3, "1024", 4) = 4 [pid 5092] close(3) = 0 [pid 5092] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5092] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5092] close(3) = 0 [pid 5092] getpid() = 1 [pid 5092] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 0b 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 [ 57.392555][ T5092] RSP: 0018:ffffc90002e77700 EFLAGS: 00010293 [ 57.398697][ T5092] RAX: ffffffff8434f435 RBX: 000000000000000d RCX: ffff888022765a00 [ 57.406677][ T5092] RDX: 0000000000000000 RSI: 000000000000000d RDI: 000000000000000e [ 57.414700][ T5092] RBP: ffffc90002e77840 R08: ffffffff8434f3f6 R09: 1ffff1100eca957f [ 57.422683][ T5092] R10: dffffc0000000000 R11: ffffed100eca9580 R12: ffff88807654a5c0 [ 57.430865][ T5092] R13: dffffc0000000000 R14: 000000000000000e R15: 1ffff1100eca94b8 [ 57.438845][ T5092] FS: 0000000000000000(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 [ 57.447785][ T5092] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.454444][ T5092] CR2: 00007fb5a6b89130 CR3: 000000007abe8000 CR4: 00000000003506f0 [ 57.462425][ T5092] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 57.470473][ T5092] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 57.478522][ T5092] Call Trace: [ 57.481801][ T5092] [ 57.484717][ T5092] ? __die_body+0x88/0xe0 [ 57.489066][ T5092] ? die+0xcf/0x110 [ 57.492888][ T5092] ? do_trap+0x15a/0x3a0 [ 57.497145][ T5092] ? bch2_fs_journal_stop+0x516/0x520 [ 57.502541][ T5092] ? do_error_trap+0x1dc/0x2c0 [ 57.507299][ T5092] ? bch2_fs_journal_stop+0x516/0x520 [ 57.512682][ T5092] ? __pfx_do_error_trap+0x10/0x10 [ 57.517799][ T5092] ? report_bug+0x3e8/0x500 [ 57.522302][ T5092] ? handle_invalid_op+0x34/0x40 [ 57.527311][ T5092] ? bch2_fs_journal_stop+0x516/0x520 [ 57.532672][ T5092] ? exc_invalid_op+0x38/0x50 [ 57.537366][ T5092] ? asm_exc_invalid_op+0x1a/0x20 [ 57.542383][ T5092] ? bch2_fs_journal_stop+0x4d6/0x520 [ 57.547744][ T5092] ? bch2_fs_journal_stop+0x515/0x520 [ 57.553102][ T5092] ? bch2_fs_journal_stop+0x516/0x520 [ 57.558476][ T5092] ? __pfx_bch2_fs_journal_stop+0x10/0x10 [ 57.564335][ T5092] ? __pfx___bch2_print+0x10/0x10 [ 57.569345][ T5092] ? __bch2_btree_flush_all+0x6dc/0x700 [ 57.574891][ T5092] ? __bch2_btree_flush_all+0x6f/0x700 [ 57.580332][ T5092] __bch2_fs_read_only+0x30c/0x430 [ 57.585442][ T5092] bch2_fs_read_only+0xb52/0x1210 [ 57.590453][ T5092] ? __pfx_bch2_fs_read_only+0x10/0x10 [ 57.595908][ T5092] ? __down_write_common+0x162/0x200 [ 57.601179][ T5092] ? __pfx___bch2_print+0x10/0x10 [ 57.606192][ T5092] ? __pfx___down_write_common+0x10/0x10 [ 57.611811][ T5092] ? hook_sb_delete+0xa5e/0xb90 [ 57.616648][ T5092] ? evict+0x577/0x630 [ 57.620712][ T5092] __bch2_fs_stop+0x105/0x540 [ 57.625389][ T5092] ? __pfx_hook_sb_delete+0x10/0x10 [ 57.630680][ T5092] ? __pfx___bch2_fs_stop+0x10/0x10 [ 57.635878][ T5092] ? __pfx_evict_inodes+0x10/0x10 [ 57.640900][ T5092] ? bch2_sync_fs+0xb7/0x100 [ 57.645477][ T5092] ? __pfx_bch2_put_super+0x10/0x10 [ 57.650658][ T5092] generic_shutdown_super+0x136/0x2d0 [ 57.656034][ T5092] bch2_kill_sb+0x41/0x50 [ 57.660351][ T5092] deactivate_locked_super+0xc4/0x130 [ 57.665711][ T5092] cleanup_mnt+0x426/0x4c0 [ 57.670126][ T5092] ? _raw_spin_unlock_irq+0x23/0x50 [ 57.675316][ T5092] task_work_run+0x24f/0x310 [ 57.679997][ T5092] ? __pfx_task_work_run+0x10/0x10 [ 57.685108][ T5092] ? do_exit+0xa22/0x27e0 [ 57.689422][ T5092] ? kmem_cache_free+0x145/0x350 [ 57.694345][ T5092] do_exit+0xa27/0x27e0 [ 57.698506][ T5092] ? __pfx_do_exit+0x10/0x10 [ 57.703081][ T5092] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 57.709045][ T5092] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 57.715355][ T5092] ? _raw_spin_unlock_irq+0x23/0x50 [ 57.720553][ T5092] ? lockdep_hardirqs_on+0x99/0x150 [ 57.725734][ T5092] do_group_exit+0x207/0x2c0 [ 57.730327][ T5092] __x64_sys_exit_group+0x3f/0x40 [ 57.735349][ T5092] do_syscall_64+0xf5/0x240 [ 57.739843][ T5092] ? clear_bhb_loop+0x35/0x90 [ 57.744523][ T5092] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 57.750512][ T5092] RIP: 0033:0x7fb5a6b00749 [ 57.755084][ T5092] Code: Unable to access opcode bytes at 0x7fb5a6b0071f. [ 57.762107][ T5092] RSP: 002b:00007ffc012e1a88 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 57.770588][ T5092] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fb5a6b00749 [ 57.778660][ T5092] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 57.786713][ T5092] RBP: 00007fb5a6b8b2b0 R08: ffffffffffffffb8 R09: 000000000000f626 [ 57.794687][ T5092] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb5a6b8b2b0 [ 57.802771][ T5092] R13: 0000000000000000 R14: 00007fb5a6b8c020 R15: 00007fb5a6acec80 [ 57.810753][ T5092] [ 57.813766][ T5092] Modules linked in: [ 57.820663][ T5092] ---[ end trace 0000000000000000 ]--- [ 57.826140][ T5092] RIP: 0010:bch2_fs_journal_stop+0x516/0x520 [ 57.833619][ T5092] Code: f0 fe ff ff 44 89 f9 80 e1 07 38 c1 0f 8c 2f fd ff ff 4c 89 ff e8 6a e0 c6 fd e9 22 fd ff ff e8 d0 89 55 07 e8 4b 28 61 fd 90 <0f> 0b 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 [ 57.853946][ T5092] RSP: 0018:ffffc90002e77700 EFLAGS: 00010293 [ 57.860188][ T5092] RAX: ffffffff8434f435 RBX: 000000000000000d RCX: ffff888022765a00 [ 57.868297][ T5092] RDX: 0000000000000000 RSI: 000000000000000d RDI: 000000000000000e [ 57.876335][ T5092] RBP: ffffc90002e77840 R08: ffffffff8434f3f6 R09: 1ffff1100eca957f [ 57.884795][ T5092] R10: dffffc0000000000 R11: ffffed100eca9580 R12: ffff88807654a5c0 [ 57.892873][ T5092] R13: dffffc0000000000 R14: 000000000000000e R15: 1ffff1100eca94b8 [ 57.900958][ T5092] FS: 0000000000000000(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 [ 57.910216][ T5092] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.916910][ T5092] CR2: 00005639ea5a3b68 CR3: 000000007abe8000 CR4: 00000000003506f0 [ 57.924960][ T5092] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 57.933164][ T5092] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 57.941243][ T5092] Kernel panic - not syncing: Fatal exception [ 57.947757][ T5092] Kernel Offset: disabled [ 57.952075][ T5092] Rebooting in 86400 seconds..