[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[ 19.048247] random: sshd: uninitialized urandom read (32 bytes read) [?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 20.775137] random: sshd: uninitialized urandom read (32 bytes read) [ 21.055679] random: sshd: uninitialized urandom read (32 bytes read) [ 21.844346] random: sshd: uninitialized urandom read (32 bytes read) [ 22.005153] random: sshd: uninitialized urandom read (32 bytes read) Warning: Permanently added '10.128.10.7' (ECDSA) to the list of known hosts. [ 27.450403] random: sshd: uninitialized urandom read (32 bytes read) executing program executing program executing program executing program executing program executing program executing program executing program [ 27.552023] BTRFS: device fsid ecf6f2a3-2997-48ae-b81e-1b00920efd9a devid 15 transid 11200778669483881685 /dev/loop3 [ 27.584261] BTRFS error (device loop4): unsupported checksum algorithm 16355 [ 27.591638] BTRFS error (device loop4): superblock checksum mismatch executing program executing program [ 27.633297] BTRFS error (device loop4): open_ctree failed [ 27.651836] BTRFS error (device loop4): unsupported checksum algorithm 16355 [ 27.659199] BTRFS error (device loop4): superblock checksum mismatch [ 27.666267] BTRFS error (device loop4): open_ctree failed executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 27.676740] BTRFS error (device loop4): unsupported checksum algorithm 16355 [ 27.684067] BTRFS error (device loop4): superblock checksum mismatch [ 27.700527] BTRFS error (device loop4): open_ctree failed [ 27.714964] BTRFS error (device loop4): unsupported checksum algorithm 16355 [ 27.722318] BTRFS error (device loop4): superblock checksum mismatch executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 27.733168] BTRFS error (device loop4): open_ctree failed [ 27.743850] BTRFS error (device loop4): unsupported checksum algorithm 16355 [ 27.751201] BTRFS error (device loop4): superblock checksum mismatch executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 27.774160] BTRFS error (device loop4): open_ctree failed [ 27.798312] BTRFS error (device loop4): unsupported checksum algorithm 16355 [ 27.805593] BTRFS error (device loop4): superblock checksum mismatch executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 27.833238] BTRFS error (device loop4): open_ctree failed [ 27.853734] BTRFS error (device loop4): unsupported checksum algorithm 16355 [ 27.861056] BTRFS error (device loop4): superblock checksum mismatch [ 27.870510] BTRFS error (device loop4): open_ctree failed executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 27.883133] BTRFS error (device loop4): unsupported checksum algorithm 16355 [ 27.890447] BTRFS error (device loop4): superblock checksum mismatch [ 27.898342] BTRFS error (device loop4): open_ctree failed [ 27.906354] BTRFS error (device loop4): unsupported checksum algorithm 16355 [ 27.913640] BTRFS error (device loop4): superblock checksum mismatch executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 27.946254] BTRFS error (device loop4): open_ctree failed [ 27.960866] BTRFS error (device loop4): unsupported checksum algorithm 16355 [ 27.968178] BTRFS error (device loop4): superblock checksum mismatch executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 28.003205] BTRFS error (device loop4): open_ctree failed [ 28.027809] BTRFS error (device loop4): unsupported checksum algorithm 16355 [ 28.035110] BTRFS error (device loop4): superblock checksum mismatch executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 28.062995] BTRFS error (device loop4): open_ctree failed [ 28.079869] BTRFS error (device loop4): unsupported checksum algorithm 16355 [ 28.087284] BTRFS error (device loop4): superblock checksum mismatch executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 28.129324] BTRFS error (device loop4): open_ctree failed [ 28.148451] BTRFS error (device loop4): unsupported checksum algorithm 16355 [ 28.155836] BTRFS error (device loop4): superblock checksum mismatch [ 28.170512] BTRFS error (device loop4): open_ctree failed executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 28.179476] BTRFS error (device loop4): unsupported checksum algorithm 16355 [ 28.186863] BTRFS error (device loop4): superblock checksum mismatch [ 28.218505] BTRFS error (device loop4): open_ctree failed executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 28.240945] BTRFS error (device loop4): unsupported checksum algorithm 16355 [ 28.248335] BTRFS error (device loop4): superblock checksum mismatch [ 28.274831] BTRFS error (device loop4): open_ctree failed [ 28.284141] BTRFS error (device loop4): unsupported checksum algorithm 16355 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 28.291471] BTRFS error (device loop4): superblock checksum mismatch [ 28.299948] BTRFS error (device loop4): open_ctree failed [ 28.313979] BTRFS error (device loop4): unsupported checksum algorithm 16355 [ 28.321337] BTRFS error (device loop4): superblock checksum mismatch [ 28.328683] BTRFS error (device loop4): open_ctree failed executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 28.344344] BTRFS error (device loop4): unsupported checksum algorithm 16355 [ 28.351627] BTRFS error (device loop4): superblock checksum mismatch [ 28.383778] BTRFS error (device loop4): open_ctree failed executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 28.405794] BTRFS error (device loop4): unsupported checksum algorithm 16355 [ 28.413073] BTRFS error (device loop4): superblock checksum mismatch executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 28.461695] BTRFS error (device loop4): open_ctree failed [ 28.480670] BTRFS error (device loop4): unsupported checksum algorithm 16355 [ 28.487976] BTRFS error (device loop4): superblock checksum mismatch [ 28.495730] BTRFS error (device loop4): open_ctree failed executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 28.507326] BTRFS error (device loop4): unsupported checksum algorithm 16355 [ 28.514618] BTRFS error (device loop4): superblock checksum mismatch [ 28.522292] BTRFS error (device loop4): open_ctree failed [ 28.533924] BTRFS error (device loop4): unsupported checksum algorithm 16355 [ 28.541283] BTRFS error (device loop4): superblock checksum mismatch [ 28.549882] BTRFS error (device loop4): open_ctree failed executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 28.559733] BTRFS error (device loop4): unsupported checksum algorithm 16355 [ 28.567109] BTRFS error (device loop4): superblock checksum mismatch [ 28.599386] BTRFS error (device loop4): open_ctree failed executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 28.640177] BTRFS error (device loop4): unsupported checksum algorithm 16355 [ 28.647492] BTRFS error (device loop4): superblock checksum mismatch executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 28.681391] BTRFS error (device loop4): open_ctree failed [ 28.700981] BTRFS error (device loop4): unsupported checksum algorithm 16355 [ 28.708355] BTRFS error (device loop4): superblock checksum mismatch [ 28.716262] BTRFS error (device loop4): open_ctree failed executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 28.735094] BTRFS error (device loop4): unsupported checksum algorithm 16355 [ 28.742515] BTRFS error (device loop4): superblock checksum mismatch [ 28.769664] BTRFS error (device loop4): open_ctree failed executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 28.801286] BTRFS error (device loop4): unsupported checksum algorithm 16355 [ 28.808564] BTRFS error (device loop4): superblock checksum mismatch [ 28.826951] BTRFS error (device loop4): open_ctree failed [ 28.837259] BTRFS error (device loop4): unsupported checksum algorithm 16355 [ 28.844617] BTRFS error (device loop4): superblock checksum mismatch executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 28.878952] BTRFS error (device loop4): open_ctree failed [ 28.900770] BTRFS error (device loop4): unsupported checksum algorithm 16355 [ 28.908188] BTRFS error (device loop4): superblock checksum mismatch executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 28.938856] BTRFS error (device loop4): open_ctree failed [ 28.960873] BTRFS error (device loop4): unsupported checksum algorithm 16355 [ 28.968179] BTRFS error (device loop4): superblock checksum mismatch [ 28.976084] BTRFS error (device loop4): open_ctree failed executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 28.992998] BTRFS error (device loop4): unsupported checksum algorithm 16355 [ 29.000330] BTRFS error (device loop4): superblock checksum mismatch [ 29.019643] BTRFS error (device loop4): open_ctree failed [ 29.029762] BTRFS error (device loop4): unsupported checksum algorithm 16355 [ 29.037082] BTRFS error (device loop4): superblock checksum mismatch executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 29.064632] BTRFS error (device loop4): open_ctree failed [ 29.082736] BTRFS error (device loop4): unsupported checksum algorithm 16355 [ 29.090058] BTRFS error (device loop4): superblock checksum mismatch [ 29.103625] BTRFS error (device loop4): open_ctree failed executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 29.118711] BTRFS error (device loop4): unsupported checksum algorithm 16355 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 29.270402] WARNING: CPU: 0 PID: 4521 at fs/btrfs/volumes.c:1071 close_fs_devices+0xbc7/0xfa0 [ 29.279185] Kernel panic - not syncing: panic_on_warn set ... [ 29.279185] [ 29.286561] CPU: 0 PID: 4521 Comm: syz-executor173 Not tainted 4.17.0+ #93 [ 29.293572] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 29.302930] Call Trace: [ 29.305525] dump_stack+0x1b9/0x294 [ 29.309175] ? dump_stack_print_info.cold.2+0x52/0x52 [ 29.314376] ? close_fs_devices+0xb10/0xfa0 [ 29.318706] panic+0x22f/0x4de [ 29.321904] ? add_taint.cold.5+0x16/0x16 [ 29.326067] ? __warn.cold.8+0x148/0x1b3 [ 29.330134] ? __warn.cold.8+0x117/0x1b3 [ 29.334208] ? close_fs_devices+0xbc7/0xfa0 [ 29.338537] __warn.cold.8+0x163/0x1b3 [ 29.342429] ? close_fs_devices+0xbc7/0xfa0 [ 29.346758] report_bug+0x252/0x2d0 [ 29.350399] do_error_trap+0x1fc/0x4d0 [ 29.354293] ? trace_hardirqs_on+0xd/0x10 [ 29.358444] ? math_error+0x3f0/0x3f0 [ 29.362250] ? note_gp_changes+0x540/0x540 [ 29.366485] ? __blkdev_put+0x3f1/0x830 [ 29.370466] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 29.375315] do_invalid_op+0x1b/0x20 [ 29.379040] invalid_op+0x14/0x20 [ 29.382495] RIP: 0010:close_fs_devices+0xbc7/0xfa0 [ 29.387412] Code: 18 b3 fe 0f 0b e8 c9 18 b3 fe 0f 0b 48 89 f7 e8 1f 0c f0 fe e9 f6 f5 ff ff e8 b5 18 b3 fe 0f 0b e9 fd fd ff ff e8 a9 18 b3 fe <0f> 0b e9 a8 fd ff ff 48 8b bd 58 fd ff ff e8 b6 0c f0 fe e9 35 fd [ 29.406842] RSP: 0018:ffff8801d9266530 EFLAGS: 00010293 [ 29.412213] RAX: ffff8801d8f44180 RBX: 0000000000000001 RCX: ffffffff82c7225d [ 29.419486] RDX: 0000000000000000 RSI: ffffffff82c724b7 RDI: 0000000000000007 [ 29.426763] RBP: ffff8801d9266830 R08: ffff8801d8f44180 R09: 0000000000000006 [ 29.434041] R10: ffff8801d8f44180 R11: 0000000000000000 R12: ffffed003b24ccc1 [ 29.441325] R13: 1ffff1003b24ccf9 R14: ffff8801d92667c8 R15: ffff8801d28b4048 [ 29.448620] ? close_fs_devices+0x96d/0xfa0 [ 29.452951] ? close_fs_devices+0xbc7/0xfa0 [ 29.457293] ? btrfs_alloc_device+0x8b0/0x8b0 [ 29.461801] ? print_usage_bug+0xc0/0xc0 [ 29.465875] ? do_raw_spin_unlock+0x9e/0x2e0 [ 29.470293] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 29.474881] ? kasan_check_write+0x14/0x20 [ 29.479119] ? do_raw_spin_lock+0xc1/0x200 [ 29.483364] ? mark_held_locks+0xc9/0x160 [ 29.487517] ? kfree+0x111/0x260 [ 29.490972] ? kvfree+0x61/0x70 [ 29.494261] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 29.499456] ? trace_hardirqs_on+0xd/0x10 [ 29.503609] ? kvfree+0x66/0x70 [ 29.506899] ? btrfs_free_stripe_hash_table+0x204/0x2d0 [ 29.512271] ? do_raw_write_trylock+0x1b0/0x1b0 [ 29.516954] btrfs_close_devices+0x29/0x150 [ 29.521291] open_ctree+0x589/0x7898 [ 29.525017] ? lock_downgrade+0x8e0/0x8e0 [ 29.529179] ? print_usage_bug+0xc0/0xc0 [ 29.533257] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 29.538290] ? close_ctree+0xaa0/0xaa0 [ 29.542254] ? __lock_acquire+0x7f5/0x5140 [ 29.546533] ? debug_check_no_locks_freed+0x310/0x310 [ 29.551735] ? debug_check_no_locks_freed+0x310/0x310 [ 29.556952] ? print_usage_bug+0xc0/0xc0 [ 29.561060] ? __lock_acquire+0x7f5/0x5140 [ 29.565303] ? kernel_text_address+0x79/0xf0 [ 29.569712] ? __unwind_start+0x166/0x330 [ 29.573870] ? __kernel_text_address+0xd/0x40 [ 29.578381] ? unwind_get_return_address+0x61/0xa0 [ 29.583325] ? __lock_acquire+0x7f5/0x5140 [ 29.587572] ? debug_check_no_locks_freed+0x310/0x310 [ 29.592784] ? __raw_spin_lock_init+0x1c/0x100 [ 29.597363] ? graph_lock+0x170/0x170 [ 29.601150] ? kasan_check_write+0x14/0x20 [ 29.605377] ? __init_rwsem+0x1c4/0x290 [ 29.609333] ? find_held_lock+0x36/0x1c0 [ 29.613378] ? graph_lock+0x170/0x170 [ 29.617159] ? lock_downgrade+0x8e0/0x8e0 [ 29.621297] ? graph_lock+0x170/0x170 [ 29.625080] ? kasan_check_read+0x11/0x20 [ 29.629212] ? find_held_lock+0x36/0x1c0 [ 29.633254] ? graph_lock+0x170/0x170 [ 29.637044] ? print_usage_bug+0xc0/0xc0 [ 29.641084] ? find_held_lock+0x36/0x1c0 [ 29.645125] ? graph_lock+0x170/0x170 [ 29.648910] ? lock_downgrade+0x8e0/0x8e0 [ 29.653038] ? up_read+0x110/0x110 [ 29.656562] ? __lock_is_held+0xb5/0x140 [ 29.660612] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 29.666129] ? bdi_register_va.part.10+0xe0/0x9b0 [ 29.670957] ? cgwb_kill+0x630/0x630 [ 29.674663] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 29.680188] ? bdi_init+0x416/0x510 [ 29.683800] ? wb_init+0x9e0/0x9e0 [ 29.687332] ? bdi_alloc_node+0x67/0xe0 [ 29.691286] ? bdi_alloc_node+0x67/0xe0 [ 29.695248] ? rcu_read_lock_sched_held+0x108/0x120 [ 29.700246] ? kmem_cache_alloc_node_trace+0x34e/0x770 [ 29.705511] ? vsnprintf+0x242/0x1b40 [ 29.709306] ? bdi_register_va+0x49/0x80 [ 29.713351] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 29.718882] ? super_setup_bdi_name+0x194/0x220 [ 29.723616] ? kill_block_super+0x100/0x100 [ 29.727933] ? vsprintf+0x40/0x40 [ 29.731378] btrfs_mount_root+0x16df/0x1e70 [ 29.735684] ? btrfs_decode_error+0x70/0x70 [ 29.739987] ? save_stack+0x43/0xd0 [ 29.743596] ? __kasan_slab_free+0x11a/0x170 [ 29.747987] ? kasan_slab_free+0xe/0x10 [ 29.751948] ? kfree+0xd9/0x260 [ 29.755212] ? mount_fs+0xae/0x328 [ 29.758736] ? vfs_kern_mount.part.34+0xd4/0x4d0 [ 29.763474] ? do_mount+0x564/0x30b0 [ 29.767176] ? ksys_mount+0x12d/0x140 [ 29.770962] ? __x64_sys_mount+0xbe/0x150 [ 29.775098] ? do_syscall_64+0x1b1/0x800 [ 29.779138] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 29.784490] ? kasan_check_read+0x11/0x20 [ 29.788615] ? do_raw_spin_unlock+0x9e/0x2e0 [ 29.793014] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 29.797584] ? kasan_check_write+0x14/0x20 [ 29.801799] ? do_raw_spin_lock+0xc1/0x200 [ 29.806109] mount_fs+0xae/0x328 [ 29.809464] ? debug_check_no_obj_freed+0x2ff/0x584 [ 29.814464] vfs_kern_mount.part.34+0xd4/0x4d0 [ 29.819034] ? may_umount+0xb0/0xb0 [ 29.822650] ? quarantine_put+0xeb/0x190 [ 29.826689] ? kfree+0x111/0x260 [ 29.830042] ? btrfs_mount+0x831/0x213e [ 29.833999] vfs_kern_mount+0x40/0x60 [ 29.837794] btrfs_mount+0x4a1/0x213e [ 29.841587] ? kasan_check_read+0x11/0x20 [ 29.845771] ? rcu_is_watching+0x85/0x140 [ 29.849954] ? btrfs_remount+0x16f0/0x16f0 [ 29.854211] ? __lockdep_init_map+0x105/0x590 [ 29.858724] ? __lockdep_init_map+0x105/0x590 [ 29.863230] ? lockdep_init_map+0x9/0x10 [ 29.867280] ? __init_waitqueue_head+0x96/0x140 [ 29.871940] ? init_wait_entry+0x1b0/0x1b0 [ 29.876165] ? memcpy+0x45/0x50 [ 29.879568] ? alloc_vfsmnt+0x771/0x9d0 [ 29.883553] ? mnt_free_id.isra.27+0x60/0x60 [ 29.887966] ? kasan_check_read+0x11/0x20 [ 29.892207] ? graph_lock+0x170/0x170 [ 29.895994] ? rcu_pm_notify+0xc0/0xc0 [ 29.899878] ? trace_hardirqs_off+0xd/0x10 [ 29.904124] ? putname+0xf2/0x130 [ 29.907576] ? find_held_lock+0x36/0x1c0 [ 29.911637] ? lock_downgrade+0x8e0/0x8e0 [ 29.915872] ? module_unload_free+0x5b0/0x5b0 [ 29.920474] mount_fs+0xae/0x328 [ 29.923829] ? btrfs_remount+0x16f0/0x16f0 [ 29.928243] ? mount_fs+0xae/0x328 [ 29.931786] ? mpi_free.cold.1+0x19/0x19 [ 29.935867] vfs_kern_mount.part.34+0xd4/0x4d0 [ 29.940536] ? may_umount+0xb0/0xb0 [ 29.944159] ? _raw_read_unlock+0x22/0x30 [ 29.948314] ? __get_fs_type+0x97/0xc0 [ 29.952215] do_mount+0x564/0x30b0 [ 29.955763] ? do_raw_spin_unlock+0x9e/0x2e0 [ 29.960164] ? copy_mount_string+0x40/0x40 [ 29.964395] ? rcu_pm_notify+0xc0/0xc0 [ 29.968370] ? copy_mount_options+0x5f/0x380 [ 29.972769] ? rcu_read_lock_sched_held+0x108/0x120 [ 29.977788] ? kmem_cache_alloc_trace+0x616/0x780 [ 29.982626] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 29.988148] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 29.993671] ? copy_mount_options+0x285/0x380 [ 29.998156] ksys_mount+0x12d/0x140 [ 30.001769] __x64_sys_mount+0xbe/0x150 [ 30.005728] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 30.010762] do_syscall_64+0x1b1/0x800 [ 30.014634] ? syscall_return_slowpath+0x5c0/0x5c0 [ 30.019548] ? syscall_return_slowpath+0x30f/0x5c0 [ 30.024468] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 30.029831] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 30.034679] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 30.039873] RIP: 0033:0x44318a [ 30.043102] Code: b8 08 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 fd e5 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 da e5 fb ff c3 66 0f 1f 84 00 00 00 00 00 [ 30.062422] RSP: 002b:00007ffca29793d8 EFLAGS: 00000297 ORIG_RAX: 00000000000000a5 [ 30.070137] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000044318a [ 30.078408] RDX: 0000000020000080 RSI: 0000000020000100 RDI: 00007ffca29793f0 [ 30.085678] RBP: 0000000000000004 R08: 0000000020000140 R09: 000000000000000a [ 30.092954] R10: 0000000000000000 R11: 0000000000000297 R12: 0000000000000016 [ 30.100228] R13: fe03f80fe03f80ff R14: 0030656c69662f2e R15: 0000000020000340 [ 30.108216] Dumping ftrace buffer: [ 30.111943] (ftrace buffer empty) [ 30.115647] Kernel Offset: disabled [ 30.119267] Rebooting in 86400 seconds..