[ OK ] Started Getty on tty2. [ OK ] Started Getty on tty1. [ OK ] Started Serial Getty on ttyS0. [ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... Starting Load/Save RF Kill Switch Status... [ OK ] Started Update UTMP about System Runlevel Changes. [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.10.11' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program syzkaller login: [ 33.358376] BTRFS: device fsid f90cac8b-044b-4fa8-8bee-4b8d3da88dc2 devid 0 transid 0 /dev/loop1 executing program executing program [ 33.572713] BTRFS: device fsid f90cac8b-044b-4fa8-8bee-4b8d3da88dc2 devid 1 transid 7 /dev/loop3 [ 33.622491] BTRFS warning (device ): duplicate device /dev/loop5 devid 1 generation 7 scanned by syz-executor414 (8161) [ 33.635527] BTRFS warning (device ): duplicate device /dev/loop5 devid 1 generation 7 scanned by systemd-udevd (8159) [ 33.648534] BTRFS info (device loop3): setting 16 feature flag [ 33.655404] BTRFS warning (device ): duplicate device /dev/loop1 devid 0 generation 0 scanned by syz-executor414 (8174) [ 33.667675] BTRFS info (device loop3): force zstd compression, level 0 [ 33.674838] BTRFS info (device loop3): disk space caching is enabled [ 33.681627] BTRFS info (device loop3): has skinny extents [ 33.720994] BTRFS warning (device ): duplicate device /dev/loop2 devid 1 generation 7 scanned by syz-executor414 (8164) [ 33.734215] BTRFS warning (device ): duplicate device /dev/loop4 devid 0 generation 0 scanned by syz-executor414 (8182) executing program executing program executing program [ 33.790957] BTRFS warning (device ): duplicate device /dev/loop2 devid 1 generation 7 scanned by systemd-udevd (8176) [ 33.821420] BTRFS warning (device ): duplicate device /dev/loop5 devid 0 generation 0 scanned by syz-executor414 (8138) executing program executing program [ 33.899092] BTRFS error (device loop3): super_num_devices 1 mismatch with num_devices 1 found here [ 33.908360] BTRFS error (device loop3): failed to read chunk tree: -22 [ 33.933500] BTRFS warning (device ): duplicate device /dev/loop1 devid 1 generation 7 scanned by syz-executor414 (8190) executing program [ 33.947633] BTRFS warning (device ): duplicate device /dev/loop4 devid 0 generation 0 scanned by syz-executor414 (8182) [ 33.967830] BTRFS warning (device ): duplicate device /dev/loop1 devid 1 generation 7 scanned by systemd-udevd (8139) [ 33.999869] BTRFS error (device loop3): open_ctree failed [ 34.011803] BTRFS info (device loop3): setting 16 feature flag [ 34.022571] BTRFS info (device loop3): force zstd compression, level 0 [ 34.029381] BTRFS info (device loop3): disk space caching is enabled [ 34.036896] BTRFS info (device loop3): has skinny extents executing program executing program [ 34.054010] BTRFS warning (device ): duplicate device /dev/loop2 devid 0 generation 0 scanned by syz-executor414 (8243) executing program [ 34.129763] BTRFS warning (device ): duplicate device /dev/loop5 devid 0 generation 0 scanned by syz-executor414 (8249) [ 34.150155] BTRFS warning (device ): duplicate device /dev/loop1 devid 0 generation 0 scanned by syz-executor414 (8253) executing program [ 34.238250] BTRFS warning (device ): duplicate device /dev/loop5 devid 0 generation 0 scanned by syz-executor414 (8298) [ 34.273756] BTRFS error (device loop3): open_ctree failed [ 34.282159] BTRFS warning (device ): duplicate device /dev/loop2 devid 0 generation 0 scanned by syz-executor414 (8243) [ 34.297865] BTRFS info (device loop3): disk space caching is enabled [ 34.307207] BTRFS info (device loop3): has skinny extents executing program executing program [ 34.400297] BTRFS warning (device ): duplicate device /dev/loop1 devid 0 generation 0 scanned by syz-executor414 (8267) [ 34.420972] BTRFS warning (device ): duplicate device /dev/loop5 devid 1 generation 7 scanned by syz-executor414 (8298) [ 34.436667] BTRFS error (device loop3): bad tree block start, want 5267456 have 0 executing program [ 34.459306] BTRFS warning (device loop3): failed to read root (objectid=7): -5 executing program executing program executing program [ 34.539645] BTRFS warning (device loop3): duplicate device /dev/loop2 devid 0 generation 0 scanned by syz-executor414 (8347) [ 34.620773] BTRFS error (device loop3): open_ctree failed executing program executing program [ 34.710937] BTRFS warning (device ): duplicate device /dev/loop5 devid 0 generation 0 scanned by syz-executor414 (8364) [ 34.723082] BTRFS info (device loop2): disk space caching is enabled [ 34.731408] BTRFS warning (device ): duplicate device /dev/loop1 devid 0 generation 0 scanned by syz-executor414 (8366) [ 34.732761] BTRFS info (device loop2): has skinny extents executing program [ 34.801570] BTRFS warning (device ): duplicate device /dev/loop3 devid 1 generation 7 scanned by syz-executor414 (8379) [ 34.829011] BTRFS warning (device ): duplicate device /dev/loop4 devid 0 generation 0 scanned by syz-executor414 (8388) executing program executing program [ 34.842615] BTRFS warning (device ): duplicate device /dev/loop5 devid 1 generation 7 scanned by syz-executor414 (8378) [ 34.856638] BTRFS error (device loop2): bad tree block start, want 5267456 have 0 [ 34.865002] BTRFS warning (device loop2): failed to read root (objectid=7): -5 [ 34.876780] BTRFS warning (device loop2): duplicate device /dev/loop1 devid 1 generation 7 scanned by syz-executor414 (8366) executing program executing program [ 34.948908] BTRFS error (device loop2): open_ctree failed executing program [ 35.063106] BTRFS info (device loop4): disk space caching is enabled [ 35.070540] BTRFS warning (device ): duplicate device /dev/loop1 devid 0 generation 0 scanned by syz-executor414 (8444) [ 35.085476] BTRFS info (device loop4): has skinny extents executing program [ 35.119839] BTRFS warning (device ): duplicate device /dev/loop3 devid 0 generation 0 scanned by syz-executor414 (8433) [ 35.138941] BTRFS warning (device ): duplicate device /dev/loop5 devid 0 generation 0 scanned by syz-executor414 (8443) [ 35.196636] BTRFS error (device loop4): open_ctree failed [ 35.208811] BTRFS info (device loop4): disk space caching is enabled [ 35.215866] BTRFS warning (device ): duplicate device /dev/loop2 devid 0 generation 0 scanned by syz-executor414 (8462) [ 35.230665] BTRFS info (device loop4): has skinny extents executing program executing program [ 35.244274] BTRFS warning (device ): duplicate device /dev/loop1 devid 1 generation 7 scanned by syz-executor414 (8458) [ 35.278130] BTRFS warning (device ): duplicate device /dev/loop1 devid 1 generation 7 scanned by systemd-udevd (8159) executing program [ 35.322082] BTRFS warning (device ): duplicate device /dev/loop3 devid 0 generation 0 scanned by syz-executor414 (8493) [ 35.344185] BTRFS warning (device ): duplicate device /dev/loop5 devid 1 generation 7 scanned by syz-executor414 (8460) executing program [ 35.418637] BTRFS warning (device ): duplicate device /dev/loop2 devid 0 generation 0 scanned by syz-executor414 (8462) [ 35.441907] BTRFS error (device loop4): bad tree block start, want 5267456 have 0 [ 35.458574] BTRFS warning (device loop4): failed to read root (objectid=7): -5 executing program executing program executing program executing program [ 35.475515] BTRFS warning (device loop4): duplicate device /dev/loop5 devid 1 generation 7 scanned by systemd-udevd (8156) [ 35.524571] BTRFS warning (device loop4): duplicate device /dev/loop1 devid 0 generation 0 scanned by syz-executor414 (8552) [ 35.581219] BTRFS warning (device loop4): duplicate device /dev/loop3 devid 1 generation 7 scanned by syz-executor414 (8529) executing program [ 35.628881] BTRFS warning (device loop4): duplicate device /dev/loop3 devid 1 generation 7 scanned by systemd-udevd (8148) executing program [ 35.689648] BTRFS error (device loop4): open_ctree failed executing program [ 35.813845] BTRFS info (device loop5): setting 16 feature flag [ 35.820385] BTRFS warning (device ): duplicate device /dev/loop2 devid 1 generation 7 scanned by syz-executor414 (8563) [ 35.833507] BTRFS info (device loop5): force zstd compression, level 0 executing program [ 35.860677] BTRFS info (device loop5): disk space caching is enabled [ 35.869220] BTRFS info (device loop5): has skinny extents [ 35.885206] BTRFS error (device loop5): bad tree block start, want 5267456 have 0 [ 35.893523] BTRFS warning (device loop5): failed to read root (objectid=7): -5 executing program [ 35.922653] BTRFS error (device loop5): open_ctree failed [ 35.930495] BTRFS info (device loop5): setting 16 feature flag executing program [ 35.968202] BTRFS info (device loop5): force zstd compression, level 0 [ 35.990849] BTRFS info (device loop5): disk space caching is enabled [ 36.005304] BTRFS info (device loop5): has skinny extents executing program executing program [ 36.022371] BTRFS error (device loop5): open_ctree failed [ 36.035016] BTRFS info (device loop5): disk space caching is enabled [ 36.049301] BTRFS info (device loop5): has skinny extents [ 36.086359] BTRFS error (device loop5): bad tree block start, want 5267456 have 0 [ 36.095122] BTRFS warning (device loop5): failed to read root (objectid=7): -5 [ 36.125772] BTRFS error (device loop5): open_ctree failed executing program [ 36.139849] BTRFS info (device loop5): disk space caching is enabled [ 36.149638] BTRFS info (device loop5): has skinny extents [ 36.164944] BTRFS error (device loop5): bad tree block start, want 5267456 have 0 [ 36.172792] BTRFS warning (device loop5): failed to read root (objectid=7): -5 executing program [ 36.206525] BTRFS error (device loop5): open_ctree failed [ 36.221362] BTRFS info (device loop5): disk space caching is enabled [ 36.231495] BTRFS info (device loop5): has skinny extents [ 36.246463] BTRFS error (device loop5): bad tree block start, want 5267456 have 0 executing program [ 36.254642] BTRFS warning (device loop5): failed to read root (objectid=7): -5 executing program executing program executing program [ 36.280660] BTRFS error (device loop5): open_ctree failed [ 36.289937] BTRFS info (device loop5): disk space caching is enabled [ 36.296642] BTRFS info (device loop5): has skinny extents executing program executing program [ 36.377763] BTRFS error (device loop5): open_ctree failed [ 36.386255] BTRFS info (device loop5): disk space caching is enabled [ 36.396705] BTRFS info (device loop5): has skinny extents [ 36.411286] BTRFS error (device loop5): super_num_devices 1 mismatch with num_devices 1 found here [ 36.420550] BTRFS error (device loop5): failed to read chunk tree: -22 executing program [ 36.442211] BTRFS error (device loop5): open_ctree failed [ 36.460618] BTRFS info (device loop5): disk space caching is enabled [ 36.474567] BTRFS info (device loop5): has skinny extents executing program executing program [ 36.488746] BTRFS error (device loop5): super_num_devices 1 mismatch with num_devices 1 found here [ 36.498953] BTRFS error (device loop5): failed to read chunk tree: -22 executing program [ 36.535665] BTRFS error (device loop5): open_ctree failed [ 36.563154] BTRFS info (device loop5): disk space caching is enabled [ 36.580724] BTRFS info (device loop5): has skinny extents [ 36.599974] BTRFS error (device loop5): bad tree block start, want 5267456 have 0 [ 36.608114] BTRFS warning (device loop5): failed to read root (objectid=7): -5 executing program executing program executing program [ 36.634859] BTRFS error (device loop5): open_ctree failed [ 36.643485] BTRFS info (device loop5): disk space caching is enabled [ 36.655514] BTRFS info (device loop5): has skinny extents executing program executing program executing program [ 36.720276] BTRFS error (device loop5): bad tree block start, want 5267456 have 0 [ 36.728535] BTRFS warning (device loop5): failed to read root (objectid=7): -5 [ 36.749107] BTRFS error (device loop5): open_ctree failed [ 36.760515] BTRFS info (device loop5): disk space caching is enabled executing program [ 36.768206] BTRFS info (device loop5): has skinny extents [ 36.788116] BTRFS error (device loop5): bad tree block start, want 5267456 have 0 [ 36.795893] BTRFS warning (device loop5): failed to read root (objectid=7): -5 executing program [ 36.825878] BTRFS error (device loop5): open_ctree failed [ 36.838402] BTRFS info (device loop5): disk space caching is enabled [ 36.860574] BTRFS info (device loop5): has skinny extents executing program executing program [ 36.901109] BTRFS error (device loop5): super_num_devices 1 mismatch with num_devices 1 found here [ 36.920460] BTRFS error (device loop5): failed to read chunk tree: -22 [ 36.937412] BTRFS error (device loop5): open_ctree failed executing program executing program [ 36.945656] BTRFS info (device loop5): disk space caching is enabled [ 36.959123] BTRFS info (device loop5): has skinny extents [ 36.976064] BTRFS error (device loop5): super_num_devices 1 mismatch with num_devices 1 found here [ 36.985836] BTRFS error (device loop5): failed to read chunk tree: -22 executing program [ 37.017771] BTRFS error (device loop5): open_ctree failed [ 37.033088] BTRFS info (device loop5): disk space caching is enabled [ 37.040909] BTRFS info (device loop5): has skinny extents [ 37.055341] BTRFS error (device loop5): super_num_devices 1 mismatch with num_devices 1 found here executing program [ 37.065342] BTRFS error (device loop5): failed to read chunk tree: -22 executing program executing program executing program [ 37.102414] BTRFS error (device loop5): open_ctree failed [ 37.113292] BTRFS info (device loop5): disk space caching is enabled [ 37.121141] BTRFS info (device loop5): has skinny extents [ 37.135177] BTRFS error (device loop5): super_num_devices 1 mismatch with num_devices 1 found here [ 37.145264] BTRFS error (device loop5): failed to read chunk tree: -22 executing program executing program [ 37.183158] BTRFS error (device loop5): open_ctree failed [ 37.192962] BTRFS info (device loop5): disk space caching is enabled [ 37.207755] BTRFS info (device loop5): has skinny extents [ 37.225998] ================================================================== [ 37.233625] BUG: KASAN: use-after-free in btrfs_printk+0x34f/0x3d0 [ 37.239942] Read of size 8 at addr ffff88809e9ce4e0 by task syz-executor414/9105 [ 37.247465] [ 37.249090] CPU: 0 PID: 9105 Comm: syz-executor414 Not tainted 4.19.160-syzkaller #0 [ 37.256957] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 37.266307] Call Trace: [ 37.268903] dump_stack+0x1fc/0x2fe [ 37.272544] print_address_description.cold+0x54/0x219 [ 37.277836] kasan_report_error.cold+0x8a/0x1c7 [ 37.282512] ? btrfs_printk+0x34f/0x3d0 [ 37.286617] __asan_report_load8_noabort+0x88/0x90 [ 37.291634] ? btrfs_printk+0x34f/0x3d0 [ 37.295605] btrfs_printk+0x34f/0x3d0 [ 37.299402] ? btrfs_show_devname.cold+0x18/0x18 [ 37.304164] ? __mutex_unlock_slowpath+0xea/0x610 [ 37.309018] ? lock_acquire+0x170/0x3c0 [ 37.313000] ? device_list_add+0x77d/0xdd0 [ 37.317242] device_list_add.cold+0x1a0/0x376 [ 37.321746] ? btrfs_rm_dev_replace_free_srcdev+0x450/0x450 [ 37.327467] btrfs_scan_one_device+0x33f/0xd00 [ 37.332056] ? _raw_spin_unlock_irqrestore+0x66/0xe0 [ 37.337172] ? debug_check_no_obj_freed+0x201/0x482 [ 37.342183] ? device_list_add+0xdd0/0xdd0 [ 37.346494] ? kfree+0x110/0x210 [ 37.349901] ? btrfs_mount_root+0x107a/0x1830 [ 37.354383] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 37.358962] btrfs_mount_root+0x9df/0x1830 [ 37.363207] ? btrfs_decode_error+0x70/0x70 [ 37.367537] ? __mutex_unlock_slowpath+0xea/0x610 [ 37.372394] ? check_preemption_disabled+0x41/0x280 [ 37.377421] ? pcpu_alloc+0xc9/0x1190 [ 37.381232] ? __lockdep_init_map+0x100/0x5a0 [ 37.385738] mount_fs+0xa3/0x30c [ 37.389116] vfs_kern_mount.part.0+0x68/0x470 [ 37.393615] ? kfree+0x110/0x210 [ 37.397003] vfs_kern_mount+0x3c/0x60 [ 37.400844] btrfs_mount+0x23a/0xa93 [ 37.404579] ? btrfs_show_options+0xfd0/0xfd0 [ 37.409079] ? __mutex_unlock_slowpath+0xea/0x610 [ 37.413928] ? check_preemption_disabled+0x41/0x280 [ 37.418957] ? pcpu_alloc+0xc9/0x1190 [ 37.422765] ? __lockdep_init_map+0x100/0x5a0 [ 37.427270] mount_fs+0xa3/0x30c [ 37.430649] vfs_kern_mount.part.0+0x68/0x470 [ 37.435152] do_mount+0x113c/0x2f10 [ 37.438791] ? do_raw_spin_unlock+0x171/0x230 [ 37.443288] ? check_preemption_disabled+0x41/0x280 [ 37.448309] ? copy_mount_string+0x40/0x40 [ 37.452554] ? copy_mount_options+0x59/0x380 [ 37.456968] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 37.461987] ? kmem_cache_alloc_trace+0x323/0x380 [ 37.466838] ? copy_mount_options+0x26f/0x380 [ 37.471344] ksys_mount+0xcf/0x130 [ 37.474892] __x64_sys_mount+0xba/0x150 [ 37.478871] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 37.483455] do_syscall_64+0xf9/0x620 [ 37.487262] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 37.492715] RIP: 0033:0x44e03a [ 37.495909] Code: b8 08 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 ad a0 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 8a a0 fb ff c3 66 0f 1f 84 00 00 00 00 00 [ 37.514808] RSP: 002b:00007fa01c4cfbf8 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 37.522519] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 000000000044e03a [ 37.529809] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fa01c4cfc10 [ 37.537170] RBP: 00007fa01c4cfc10 R08: 00007fa01c4cfc50 R09: 0000000000000000 [ 37.544439] R10: 0000000000000000 R11: 0000000000000293 R12: 000000000000001e [ 37.551709] R13: 00007fa01c4cfc50 R14: 00007fa01c4d06d0 R15: 0000000000000005 [ 37.558991] [ 37.560615] Allocated by task 8822: [ 37.564246] __kmalloc_node+0x4c/0x70 [ 37.568056] kvmalloc_node+0xb4/0xf0 [ 37.571774] btrfs_mount_root+0x13f/0x1830 [ 37.576010] mount_fs+0xa3/0x30c [ 37.579381] vfs_kern_mount.part.0+0x68/0x470 [ 37.583998] vfs_kern_mount+0x3c/0x60 [ 37.587800] btrfs_mount+0x23a/0xa93 [ 37.591516] mount_fs+0xa3/0x30c [ 37.594886] vfs_kern_mount.part.0+0x68/0x470 [ 37.599888] do_mount+0x113c/0x2f10 [ 37.603518] ksys_mount+0xcf/0x130 [ 37.607154] __x64_sys_mount+0xba/0x150 [ 37.611142] do_syscall_64+0xf9/0x620 [ 37.614946] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 37.620134] [ 37.621760] Freed by task 8822: [ 37.625040] kfree+0xcc/0x210 [ 37.628156] kvfree+0x59/0x60 [ 37.631266] deactivate_locked_super+0x94/0x160 [ 37.635936] btrfs_mount_root+0x10a0/0x1830 [ 37.640259] mount_fs+0xa3/0x30c [ 37.643627] vfs_kern_mount.part.0+0x68/0x470 [ 37.648120] vfs_kern_mount+0x3c/0x60 [ 37.651912] btrfs_mount+0x23a/0xa93 [ 37.655621] mount_fs+0xa3/0x30c [ 37.658992] vfs_kern_mount.part.0+0x68/0x470 [ 37.663488] do_mount+0x113c/0x2f10 [ 37.667108] ksys_mount+0xcf/0x130 [ 37.670646] __x64_sys_mount+0xba/0x150 [ 37.674700] do_syscall_64+0xf9/0x620 [ 37.678491] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 37.683673] [ 37.685295] The buggy address belongs to the object at ffff88809e9cdec0 [ 37.685295] which belongs to the cache kmalloc-8192 of size 8192 [ 37.698134] The buggy address is located 1568 bytes inside of [ 37.698134] 8192-byte region [ffff88809e9cdec0, ffff88809e9cfec0) [ 37.710262] The buggy address belongs to the page: [ 37.715222] page:ffffea00027a7300 count:1 mapcount:0 mapping:ffff88813bff2080 index:0x0 compound_mapcount: 0 [ 37.725179] flags: 0xfff00000008100(slab|head) [ 37.729777] raw: 00fff00000008100 ffffea0002779308 ffffea0002600208 ffff88813bff2080 [ 37.737669] raw: 0000000000000000 ffff88809e9cdec0 0000000100000001 0000000000000000 [ 37.745544] page dumped because: kasan: bad access detected [ 37.751249] [ 37.752873] Memory state around the buggy address: [ 37.757802] ffff88809e9ce380: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 37.765158] ffff88809e9ce400: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 37.772530] >ffff88809e9ce480: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 37.779887] ^ [ 37.786379] ffff88809e9ce500: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 37.793740] ffff88809e9ce580: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 37.801092] ================================================================== [ 37.808445] Disabling lock debugging due to kernel taint [ 37.836065] Kernel panic - not syncing: panic_on_warn set ... [ 37.836065] [ 37.843447] CPU: 0 PID: 9105 Comm: syz-executor414 Tainted: G B 4.19.160-syzkaller #0 [ 37.852714] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 37.862067] Call Trace: [ 37.864660] dump_stack+0x1fc/0x2fe [ 37.868297] panic+0x26a/0x50e [ 37.871493] ? __warn_printk+0xf3/0xf3 [ 37.875385] ? preempt_schedule_common+0x45/0xc0 [ 37.880141] ? ___preempt_schedule+0x16/0x18 [ 37.884551] ? trace_hardirqs_on+0x55/0x210 [ 37.888875] kasan_end_report+0x43/0x49 [ 37.892843] kasan_report_error.cold+0xa7/0x1c7 [ 37.897504] ? btrfs_printk+0x34f/0x3d0 [ 37.901481] __asan_report_load8_noabort+0x88/0x90 [ 37.906413] ? btrfs_printk+0x34f/0x3d0 [ 37.910377] btrfs_printk+0x34f/0x3d0 [ 37.914158] ? btrfs_show_devname.cold+0x18/0x18 [ 37.918896] ? __mutex_unlock_slowpath+0xea/0x610 [ 37.923717] ? lock_acquire+0x170/0x3c0 [ 37.927688] ? device_list_add+0x77d/0xdd0 [ 37.931963] device_list_add.cold+0x1a0/0x376 [ 37.936451] ? btrfs_rm_dev_replace_free_srcdev+0x450/0x450 [ 37.942151] btrfs_scan_one_device+0x33f/0xd00 [ 37.946717] ? _raw_spin_unlock_irqrestore+0x66/0xe0 [ 37.951800] ? debug_check_no_obj_freed+0x201/0x482 [ 37.956797] ? device_list_add+0xdd0/0xdd0 [ 37.961009] ? kfree+0x110/0x210 [ 37.964354] ? btrfs_mount_root+0x107a/0x1830 [ 37.968849] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 37.973412] btrfs_mount_root+0x9df/0x1830 [ 37.977629] ? btrfs_decode_error+0x70/0x70 [ 37.981930] ? __mutex_unlock_slowpath+0xea/0x610 [ 37.986750] ? check_preemption_disabled+0x41/0x280 [ 37.991747] ? pcpu_alloc+0xc9/0x1190 [ 37.995527] ? __lockdep_init_map+0x100/0x5a0 [ 38.000002] mount_fs+0xa3/0x30c [ 38.003352] vfs_kern_mount.part.0+0x68/0x470 [ 38.007826] ? kfree+0x110/0x210 [ 38.011171] vfs_kern_mount+0x3c/0x60 [ 38.014953] btrfs_mount+0x23a/0xa93 [ 38.018672] ? btrfs_show_options+0xfd0/0xfd0 [ 38.023156] ? __mutex_unlock_slowpath+0xea/0x610 [ 38.027985] ? check_preemption_disabled+0x41/0x280 [ 38.032990] ? pcpu_alloc+0xc9/0x1190 [ 38.036778] ? __lockdep_init_map+0x100/0x5a0 [ 38.041271] mount_fs+0xa3/0x30c [ 38.044636] vfs_kern_mount.part.0+0x68/0x470 [ 38.049112] do_mount+0x113c/0x2f10 [ 38.052720] ? do_raw_spin_unlock+0x171/0x230 [ 38.057191] ? check_preemption_disabled+0x41/0x280 [ 38.062194] ? copy_mount_string+0x40/0x40 [ 38.066430] ? copy_mount_options+0x59/0x380 [ 38.070820] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 38.075836] ? kmem_cache_alloc_trace+0x323/0x380 [ 38.080662] ? copy_mount_options+0x26f/0x380 [ 38.085156] ksys_mount+0xcf/0x130 [ 38.088682] __x64_sys_mount+0xba/0x150 [ 38.092635] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 38.097195] do_syscall_64+0xf9/0x620 [ 38.100976] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 38.106143] RIP: 0033:0x44e03a [ 38.109316] Code: b8 08 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 ad a0 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 8a a0 fb ff c3 66 0f 1f 84 00 00 00 00 00 [ 38.128214] RSP: 002b:00007fa01c4cfbf8 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 38.135904] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 000000000044e03a [ 38.143153] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fa01c4cfc10 [ 38.150402] RBP: 00007fa01c4cfc10 R08: 00007fa01c4cfc50 R09: 0000000000000000 [ 38.157650] R10: 0000000000000000 R11: 0000000000000293 R12: 000000000000001e [ 38.164905] R13: 00007fa01c4cfc50 R14: 00007fa01c4d06d0 R15: 0000000000000005 [ 38.172827] Kernel Offset: disabled [ 38.176441] Rebooting in 86400 seconds..