[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[ 18.984129] random: sshd: uninitialized urandom read (32 bytes read) [?25l[?1c7[ ok 8[?25h[?0c. [ 19.619649] random: sshd: uninitialized urandom read (32 bytes read) [ 19.970733] random: sshd: uninitialized urandom read (32 bytes read) Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 20.719862] random: sshd: uninitialized urandom read (32 bytes read) [ 20.875624] random: sshd: uninitialized urandom read (32 bytes read) Warning: Permanently added '10.128.10.0' (ECDSA) to the list of known hosts. [ 26.328901] random: sshd: uninitialized urandom read (32 bytes read) executing program executing program executing program executing program executing program executing program executing program executing program [ 26.425178] BTRFS: device fsid ecf6f2a3-2997-48ae-b81e-1b00920efd9a devid 0 transid 0 /dev/loop0 [ 26.452591] BTRFS error (device loop3): superblock checksum mismatch executing program [ 26.482474] BTRFS error (device loop3): open_ctree failed [ 26.501761] BTRFS error (device loop3): superblock checksum mismatch [ 26.515238] BTRFS error (device loop3): open_ctree failed executing program executing program [ 26.529947] BTRFS error (device loop3): superblock checksum mismatch [ 26.536789] BTRFS error (device loop3): open_ctree failed [ 26.544791] BTRFS error (device loop3): superblock checksum mismatch [ 26.552941] BTRFS error (device loop3): open_ctree failed [ 26.568117] BTRFS error (device loop3): superblock checksum mismatch [ 26.577296] BTRFS error (device loop3): 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 [ 26.584862] BTRFS error (device loop3): superblock checksum mismatch [ 26.594371] BTRFS error (device loop3): open_ctree failed [ 26.617913] BTRFS error (device loop3): 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 [ 26.636973] BTRFS error (device loop3): open_ctree failed [ 26.668825] BTRFS error (device loop3): 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 [ 26.684972] BTRFS error (device loop3): open_ctree failed [ 26.702358] BTRFS error (device loop3): superblock checksum mismatch [ 26.713779] BTRFS error (device loop3): 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 [ 26.745646] BTRFS error (device loop3): superblock checksum mismatch [ 26.765008] BTRFS error (device loop3): open_ctree failed [ 26.778554] BTRFS error (device loop3): superblock checksum mismatch executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 26.794286] BTRFS error (device loop3): 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 [ 26.816494] BTRFS error (device loop3): superblock checksum mismatch [ 26.827235] BTRFS error (device loop3): open_ctree failed [ 26.856087] BTRFS error (device loop3): 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 [ 26.863494] BTRFS error (device loop3): open_ctree failed [ 26.882277] BTRFS error (device loop3): superblock checksum mismatch [ 26.894974] BTRFS error (device loop3): 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 [ 26.922240] BTRFS error (device loop3): superblock checksum mismatch [ 26.933195] BTRFS error (device loop3): open_ctree failed [ 26.943709] BTRFS error (device loop3): superblock checksum mismatch [ 26.959574] BTRFS error (device loop3): 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 [ 26.970923] BTRFS error (device loop3): superblock checksum mismatch [ 26.983884] BTRFS error (device loop3): 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 [ 27.018328] BTRFS error (device loop3): superblock checksum mismatch [ 27.033935] BTRFS error (device loop3): 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 [ 27.074731] BTRFS error (device loop3): superblock checksum mismatch [ 27.097101] BTRFS error (device loop3): open_ctree failed [ 27.114682] BTRFS error (device loop3): 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 [ 27.129546] BTRFS error (device loop3): open_ctree failed [ 27.155417] BTRFS error (device loop3): 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 [ 27.174886] BTRFS error (device loop3): 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 [ 27.202547] BTRFS error (device loop3): superblock checksum mismatch [ 27.217123] BTRFS error (device loop3): open_ctree failed [ 27.225982] BTRFS error (device loop3): superblock checksum mismatch [ 27.233676] BTRFS error (device loop3): 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 [ 27.246705] BTRFS error (device loop3): superblock checksum mismatch [ 27.267682] BTRFS error (device loop3): open_ctree failed [ 27.283709] BTRFS error (device loop3): 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 [ 27.297851] BTRFS error (device loop3): open_ctree failed [ 27.315719] BTRFS error (device loop3): superblock checksum mismatch [ 27.323571] BTRFS error (device loop3): 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 [ 27.362276] BTRFS error (device loop3): superblock checksum mismatch [ 27.375079] BTRFS error (device loop3): 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 [ 27.406521] BTRFS error (device loop3): superblock checksum mismatch [ 27.420974] BTRFS error (device loop3): 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 [ 27.452618] BTRFS error (device loop3): superblock checksum mismatch [ 27.467621] BTRFS error (device loop3): open_ctree failed [ 27.486521] BTRFS error (device loop3): 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 [ 27.509620] BTRFS error (device loop3): open_ctree failed [ 27.529432] BTRFS error (device loop3): superblock checksum mismatch [ 27.542307] BTRFS error (device loop3): 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 [ 27.569221] BTRFS error (device loop3): superblock checksum mismatch [ 27.593558] BTRFS error (device loop3): 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 [ 27.623108] BTRFS error (device loop3): superblock checksum mismatch [ 27.635246] BTRFS error (device loop3): open_ctree failed [ 27.655140] BTRFS error (device loop3): 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 [ 27.677207] BTRFS error (device loop3): open_ctree failed [ 27.690695] BTRFS error (device loop3): superblock checksum mismatch [ 27.702231] BTRFS error (device loop3): open_ctree failed [ 27.713197] BTRFS error (device loop3): 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 [ 27.733495] BTRFS error (device loop3): open_ctree failed [ 27.758971] BTRFS error (device loop3): superblock checksum mismatch [ 27.768444] BTRFS error (device loop3): 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 [ 27.801854] BTRFS error (device loop3): superblock checksum mismatch [ 27.816947] BTRFS error (device loop3): open_ctree failed [ 27.826330] BTRFS error (device loop3): superblock checksum mismatch [ 27.844537] BTRFS error (device loop3): 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 [ 27.873670] BTRFS error (device loop3): superblock checksum mismatch [ 27.884619] BTRFS error (device loop3): 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 [ 27.920537] BTRFS error (device loop3): superblock checksum mismatch [ 27.932566] BTRFS error (device loop3): open_ctree failed [ 27.952374] BTRFS error (device loop3): 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 executing program executing program [ 27.976706] BTRFS error (device loop3): open_ctree failed [ 28.005500] BTRFS error (device loop3): superblock checksum mismatch [ 28.017650] BTRFS error (device loop3): 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 [ 28.049792] BTRFS error (device loop3): superblock checksum mismatch [ 28.056674] BTRFS error (device loop3): open_ctree failed [ 28.065769] BTRFS error (device loop3): superblock checksum mismatch [ 28.081222] BTRFS error (device loop3): open_ctree failed [ 28.092084] BTRFS error (device loop3): 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 [ 28.104370] BTRFS error (device loop3): open_ctree failed [ 28.121577] BTRFS error (device loop3): superblock checksum mismatch [ 28.136676] BTRFS error (device loop3): 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 [ 28.171256] BTRFS error (device loop3): superblock checksum mismatch [ 28.181483] BTRFS error (device loop3): 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 [ 28.214664] BTRFS error (device loop3): superblock checksum mismatch [ 28.246289] BTRFS error (device loop3): 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 executing program executing program executing program executing program executing program executing program executing program [ 28.268234] BTRFS error (device loop3): superblock checksum mismatch [ 28.291123] BTRFS error (device loop3): 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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 29.110774] WARNING: CPU: 1 PID: 4499 at fs/btrfs/volumes.c:1071 close_fs_devices+0xbc7/0xfa0 [ 29.119537] Kernel panic - not syncing: panic_on_warn set ... [ 29.119537] [ 29.126905] CPU: 1 PID: 4499 Comm: syz-executor921 Not tainted 4.17.0+ #84 [ 29.133914] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 29.143262] Call Trace: [ 29.145852] dump_stack+0x1b9/0x294 [ 29.149489] ? dump_stack_print_info.cold.2+0x52/0x52 [ 29.154684] ? close_fs_devices+0xb30/0xfa0 [ 29.159003] panic+0x22f/0x4de [ 29.162222] ? add_taint.cold.5+0x16/0x16 [ 29.167023] ? __warn.cold.8+0x148/0x1b3 [ 29.171079] ? __warn.cold.8+0x117/0x1b3 [ 29.175143] ? close_fs_devices+0xbc7/0xfa0 [ 29.179465] __warn.cold.8+0x163/0x1b3 [ 29.183352] ? close_fs_devices+0xbc7/0xfa0 [ 29.187674] report_bug+0x252/0x2d0 [ 29.191305] do_error_trap+0x1fc/0x4d0 [ 29.195191] ? trace_hardirqs_on+0xd/0x10 [ 29.199341] ? math_error+0x3f0/0x3f0 [ 29.203147] ? note_gp_changes+0x540/0x540 [ 29.207386] ? __blkdev_put+0x3f1/0x830 [ 29.211367] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 29.216212] do_invalid_op+0x1b/0x20 [ 29.219924] invalid_op+0x14/0x20 [ 29.223376] RIP: 0010:close_fs_devices+0xbc7/0xfa0 [ 29.228290] Code: a0 b4 fe 0f 0b e8 89 a0 b4 fe 0f 0b 48 89 f7 e8 8f 10 f1 fe e9 f6 f5 ff ff e8 75 a0 b4 fe 0f 0b e9 fd fd ff ff e8 69 a0 b4 fe <0f> 0b e9 a8 fd ff ff 48 8b bd 58 fd ff ff e8 26 11 f1 fe e9 35 fd [ 29.247621] RSP: 0018:ffff8801ad45e530 EFLAGS: 00010293 [ 29.252990] RAX: ffff8801adb96200 RBX: 0000000000000001 RCX: ffffffff82c4ae3d [ 29.260254] RDX: 0000000000000000 RSI: ffffffff82c4b097 RDI: 0000000000000007 [ 29.267521] RBP: ffff8801ad45e830 R08: ffff8801adb96200 R09: 0000000000000006 [ 29.274789] R10: ffff8801adb96200 R11: 0000000000000000 R12: ffffed0035a8bcc1 [ 29.282061] R13: 1ffff10035a8bcf9 R14: ffff8801ad45e7c8 R15: ffff8801b4431688 [ 29.289343] ? close_fs_devices+0x96d/0xfa0 [ 29.293667] ? close_fs_devices+0xbc7/0xfa0 [ 29.297993] ? btrfs_mount_root+0x16df/0x1e70 [ 29.302490] ? mount_fs+0xae/0x328 [ 29.306032] ? vfs_kern_mount.part.34+0xd4/0x4d0 [ 29.310788] ? vfs_kern_mount+0x40/0x60 [ 29.314766] ? btrfs_alloc_device+0x8b0/0x8b0 [ 29.319260] ? print_usage_bug+0xc0/0xc0 [ 29.323325] ? kasan_check_write+0x14/0x20 [ 29.327561] ? do_raw_spin_lock+0xc1/0x200 [ 29.331800] ? trace_hardirqs_off+0xd/0x10 [ 29.336037] ? _raw_spin_unlock_irqrestore+0x63/0xc0 [ 29.341139] ? debug_check_no_obj_freed+0x2ff/0x584 [ 29.346162] ? mark_held_locks+0xc9/0x160 [ 29.350306] ? quarantine_put+0xeb/0x190 [ 29.354368] ? kfree+0x111/0x260 [ 29.357734] ? kvfree+0x61/0x70 [ 29.361013] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 29.366029] ? trace_hardirqs_on+0xd/0x10 [ 29.370183] ? kvfree+0x66/0x70 [ 29.373466] ? btrfs_free_stripe_hash_table+0x204/0x2d0 [ 29.378827] ? do_raw_write_trylock+0x1b0/0x1b0 [ 29.383506] btrfs_close_devices+0x29/0x150 [ 29.387834] open_ctree+0x589/0x7898 [ 29.391549] ? lock_downgrade+0x8e0/0x8e0 [ 29.395699] ? print_usage_bug+0xc0/0xc0 [ 29.399768] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 29.404798] ? close_ctree+0xaa0/0xaa0 [ 29.408685] ? __lock_acquire+0x7f5/0x5140 [ 29.412927] ? debug_check_no_locks_freed+0x310/0x310 [ 29.418119] ? debug_check_no_locks_freed+0x310/0x310 [ 29.423313] ? print_usage_bug+0xc0/0xc0 [ 29.427378] ? __lock_acquire+0x7f5/0x5140 [ 29.431613] ? kernel_text_address+0x79/0xf0 [ 29.436027] ? __unwind_start+0x166/0x330 [ 29.440176] ? __kernel_text_address+0xd/0x40 [ 29.444676] ? unwind_get_return_address+0x61/0xa0 [ 29.449610] ? __lock_acquire+0x7f5/0x5140 [ 29.453848] ? debug_check_no_locks_freed+0x310/0x310 [ 29.459040] ? __raw_spin_lock_init+0x1c/0x100 [ 29.463630] ? graph_lock+0x170/0x170 [ 29.467438] ? kasan_check_write+0x14/0x20 [ 29.471674] ? __init_rwsem+0x1c4/0x290 [ 29.475654] ? find_held_lock+0x36/0x1c0 [ 29.479720] ? graph_lock+0x170/0x170 [ 29.483525] ? lock_downgrade+0x8e0/0x8e0 [ 29.487674] ? graph_lock+0x170/0x170 [ 29.491482] ? kasan_check_read+0x11/0x20 [ 29.495639] ? find_held_lock+0x36/0x1c0 [ 29.499702] ? graph_lock+0x170/0x170 [ 29.503509] ? print_usage_bug+0xc0/0xc0 [ 29.507570] ? find_held_lock+0x36/0x1c0 [ 29.511638] ? graph_lock+0x170/0x170 [ 29.515441] ? lock_downgrade+0x8e0/0x8e0 [ 29.519586] ? up_read+0x110/0x110 [ 29.523141] ? __lock_is_held+0xb5/0x140 [ 29.527212] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 29.532748] ? bdi_register_va.part.10+0xe0/0x9b0 [ 29.537595] ? cgwb_kill+0x630/0x630 [ 29.541319] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 29.546851] ? bdi_init+0x416/0x510 [ 29.550476] ? wb_init+0x9e0/0x9e0 [ 29.554014] ? bdi_alloc_node+0x67/0xe0 [ 29.557992] ? bdi_alloc_node+0x67/0xe0 [ 29.561967] ? rcu_read_lock_sched_held+0x108/0x120 [ 29.566986] ? kmem_cache_alloc_node_trace+0x34e/0x770 [ 29.572264] ? vsnprintf+0x242/0x1b40 [ 29.576073] ? bdi_register_va+0x49/0x80 [ 29.580140] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 29.585680] ? super_setup_bdi_name+0x194/0x220 [ 29.590347] ? kill_block_super+0x100/0x100 [ 29.594669] ? vsprintf+0x40/0x40 [ 29.598136] btrfs_mount_root+0x16df/0x1e70 [ 29.602463] ? btrfs_decode_error+0x70/0x70 [ 29.606789] ? save_stack+0x43/0xd0 [ 29.610418] ? __kasan_slab_free+0x11a/0x170 [ 29.614828] ? kasan_slab_free+0xe/0x10 [ 29.618799] ? kfree+0xd9/0x260 [ 29.622077] ? mount_fs+0xae/0x328 [ 29.625620] ? vfs_kern_mount.part.34+0xd4/0x4d0 [ 29.630373] ? do_mount+0x564/0x30b0 [ 29.634086] ? ksys_mount+0x12d/0x140 [ 29.637884] ? __x64_sys_mount+0xbe/0x150 [ 29.642032] ? do_syscall_64+0x1b1/0x800 [ 29.646096] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 29.651460] ? kasan_check_read+0x11/0x20 [ 29.655613] ? do_raw_spin_unlock+0x9e/0x2e0 [ 29.660021] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 29.664613] ? kasan_check_write+0x14/0x20 [ 29.668848] ? do_raw_spin_lock+0xc1/0x200 [ 29.673090] mount_fs+0xae/0x328 [ 29.676456] ? debug_check_no_obj_freed+0x2ff/0x584 [ 29.681473] vfs_kern_mount.part.34+0xd4/0x4d0 [ 29.686061] ? may_umount+0xb0/0xb0 [ 29.689687] ? quarantine_put+0xeb/0x190 [ 29.693758] ? kfree+0x111/0x260 [ 29.697124] ? btrfs_mount+0x831/0x213e [ 29.701098] vfs_kern_mount+0x40/0x60 [ 29.704900] btrfs_mount+0x4a1/0x213e [ 29.708704] ? kasan_check_read+0x11/0x20 [ 29.712851] ? rcu_is_watching+0x85/0x140 [ 29.717004] ? btrfs_remount+0x16f0/0x16f0 [ 29.721242] ? __lockdep_init_map+0x105/0x590 [ 29.725737] ? __lockdep_init_map+0x105/0x590 [ 29.730227] ? lockdep_init_map+0x9/0x10 [ 29.734285] ? __init_waitqueue_head+0x96/0x140 [ 29.738954] ? init_wait_entry+0x1b0/0x1b0 [ 29.743184] ? memcpy+0x45/0x50 [ 29.746468] ? alloc_vfsmnt+0x771/0x9d0 [ 29.750444] ? mnt_free_id.isra.27+0x60/0x60 [ 29.754857] ? kasan_check_read+0x11/0x20 [ 29.759006] ? graph_lock+0x170/0x170 [ 29.762810] ? rcu_pm_notify+0xc0/0xc0 [ 29.766695] ? trace_hardirqs_off+0xd/0x10 [ 29.770937] ? putname+0xf2/0x130 [ 29.774388] ? find_held_lock+0x36/0x1c0 [ 29.778459] ? lock_downgrade+0x8e0/0x8e0 [ 29.782609] ? module_unload_free+0x5b0/0x5b0 [ 29.787112] mount_fs+0xae/0x328 [ 29.790477] ? btrfs_remount+0x16f0/0x16f0 [ 29.794710] ? mount_fs+0xae/0x328 [ 29.798251] ? mpi_free.cold.1+0x19/0x19 [ 29.802314] vfs_kern_mount.part.34+0xd4/0x4d0 [ 29.806899] ? may_umount+0xb0/0xb0 [ 29.810525] ? _raw_read_unlock+0x22/0x30 [ 29.814669] ? __get_fs_type+0x97/0xc0 [ 29.818565] do_mount+0x564/0x30b0 [ 29.822108] ? do_raw_spin_unlock+0x9e/0x2e0 [ 29.826519] ? copy_mount_string+0x40/0x40 [ 29.830755] ? rcu_pm_notify+0xc0/0xc0 [ 29.834648] ? copy_mount_options+0x5f/0x380 [ 29.839059] ? rcu_read_lock_sched_held+0x108/0x120 [ 29.844075] ? kmem_cache_alloc_trace+0x616/0x780 [ 29.848920] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 29.854466] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 29.860004] ? copy_mount_options+0x285/0x380 [ 29.864506] ksys_mount+0x12d/0x140 [ 29.868133] __x64_sys_mount+0xbe/0x150 [ 29.872106] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 29.877128] do_syscall_64+0x1b1/0x800 [ 29.881015] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 29.885857] ? syscall_return_slowpath+0x5c0/0x5c0 [ 29.890790] ? syscall_return_slowpath+0x30f/0x5c0 [ 29.895727] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 29.901099] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 29.905949] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 29.911136] RIP: 0033:0x4431da [ 29.914316] 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 [ 29.933654] RSP: 002b:00007ffe426bfd28 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5 [ 29.941367] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004431da [ 29.948631] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007ffe426bfd40 [ 29.955894] RBP: 0000000000000004 R08: 00000000200006c0 R09: 000000000000000a [ 29.963176] R10: 0000000000000001 R11: 0000000000000286 R12: 0000000000000010 [ 29.970443] R13: 0000000008100000 R14: 0031656c69662f2e R15: fe03f80fe03f80ff [ 29.978403] Dumping ftrace buffer: [ 29.982036] (ftrace buffer empty) [ 29.985721] Kernel Offset: disabled [ 29.989329] Rebooting in 86400 seconds..