Warning: Permanently added '10.128.1.190' (ED25519) to the list of known hosts. executing program [ 42.064453][ T4023] loop0: detected capacity change from 0 to 32768 [ 42.106937][ T4023] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz-executor314 (4023) [ 42.114836][ T4023] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 42.117311][ T4023] BTRFS info (device loop0): disabling tree log [ 42.119691][ T4023] BTRFS info (device loop0): doing ref verification [ 42.121610][ T4023] BTRFS info (device loop0): max_inline at 0 [ 42.123323][ T4023] BTRFS warning (device loop0): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 42.126332][ T4023] BTRFS info (device loop0): trying to use backup root at mount time [ 42.128559][ T4023] BTRFS info (device loop0): turning on sync discard [ 42.131032][ T4023] BTRFS info (device loop0): using free space tree [ 42.132972][ T4023] BTRFS info (device loop0): has skinny extents [ 42.134979][ T4023] workqueue: max_active 18885 requested for btrfs-worker is out of range, clamping between 1 and 512 [ 42.139680][ T4023] workqueue: max_active 18885 requested for btrfs-worker-high is out of range, clamping between 1 and 512 [ 42.143543][ T4023] workqueue: max_active 18885 requested for btrfs-delalloc is out of range, clamping between 1 and 512 [ 42.148672][ T4023] workqueue: max_active 18885 requested for btrfs-endio is out of range, clamping between 1 and 512 [ 42.153002][ T4023] workqueue: max_active 18885 requested for btrfs-endio-meta is out of range, clamping between 1 and 512 [ 42.156751][ T4023] workqueue: max_active 18885 requested for btrfs-endio-meta-write is out of range, clamping between 1 and 512 [ 42.161332][ T4023] workqueue: max_active 18885 requested for btrfs-endio-raid56 is out of range, clamping between 1 and 512 [ 42.165279][ T4023] workqueue: max_active 18885 requested for btrfs-rmw is out of range, clamping between 1 and 512 [ 42.169151][ T4023] workqueue: max_active 18885 requested for btrfs-endio-write is out of range, clamping between 1 and 512 [ 42.173824][ T4023] workqueue: max_active 18885 requested for btrfs-readahead is out of range, clamping between 1 and 512 [ 42.233135][ T4022] [ 42.233791][ T4022] ====================================================== [ 42.235664][ T4022] WARNING: possible circular locking dependency detected [ 42.237569][ T4022] 5.15.182-syzkaller #0 Not tainted [ 42.238962][ T4022] ------------------------------------------------------ [ 42.241006][ T4022] syz-executor314/4022 is trying to acquire lock: [ 42.242799][ T4022] ffff0000d83930e0 (&fs_devs->device_list_mutex){+.+.}-{3:3}, at: btrfs_run_dev_stats+0xe0/0xcac [ 42.245875][ T4022] [ 42.245875][ T4022] but task is already holding lock: [ 42.247928][ T4022] ffff0000cdd90720 (&fs_info->tree_log_mutex){+.+.}-{3:3}, at: btrfs_commit_transaction+0xe44/0x3044 [ 42.251042][ T4022] [ 42.251042][ T4022] which lock already depends on the new lock. [ 42.251042][ T4022] [ 42.253984][ T4022] [ 42.253984][ T4022] the existing dependency chain (in reverse order) is: [ 42.256497][ T4022] [ 42.256497][ T4022] -> #4 (&fs_info->tree_log_mutex){+.+.}-{3:3}: [ 42.258895][ T4022] __mutex_lock_common+0x194/0x1edc [ 42.260515][ T4022] mutex_lock_nested+0xac/0x11c [ 42.262050][ T4022] btrfs_commit_transaction+0xe44/0x3044 [ 42.263781][ T4022] btrfs_sync_fs+0x628/0xb2c [ 42.265233][ T4022] sync_filesystem+0x1a0/0x218 [ 42.266756][ T4022] generic_shutdown_super+0x70/0x2f0 [ 42.268403][ T4022] kill_anon_super+0x4c/0x80 [ 42.269854][ T4022] btrfs_kill_super+0x40/0x58 [ 42.271296][ T4022] deactivate_locked_super+0xb8/0x13c [ 42.272977][ T4022] deactivate_super+0xf8/0x118 [ 42.274503][ T4022] cleanup_mnt+0x3a4/0x458 [ 42.275913][ T4022] __cleanup_mnt+0x20/0x30 [ 42.277328][ T4022] task_work_run+0x12c/0x1e0 [ 42.278755][ T4022] do_notify_resume+0x24b4/0x3128 [ 42.280272][ T4022] el0_svc+0xf0/0x1e0 [ 42.281538][ T4022] el0t_64_sync_handler+0xcc/0xe4 [ 42.283129][ T4022] el0t_64_sync+0x1a0/0x1a4 [ 42.284533][ T4022] [ 42.284533][ T4022] -> #3 (&fs_info->reloc_mutex){+.+.}-{3:3}: [ 42.286877][ T4022] __mutex_lock_common+0x194/0x1edc [ 42.288504][ T4022] mutex_lock_nested+0xac/0x11c [ 42.290046][ T4022] start_transaction+0x440/0x13f0 [ 42.291549][ T4022] btrfs_join_transaction+0x30/0x40 [ 42.293137][ T4022] btrfs_dirty_inode+0xb4/0x1c0 [ 42.294617][ T4022] btrfs_update_time+0x224/0x248 [ 42.296123][ T4022] touch_atime+0x3d0/0x914 [ 42.297486][ T4022] iterate_dir+0x280/0x4cc [ 42.298872][ T4022] __arm64_sys_getdents64+0x11c/0x340 [ 42.300522][ T4022] invoke_syscall+0x98/0x2b8 [ 42.301993][ T4022] el0_svc_common+0x138/0x258 [ 42.303448][ T4022] do_el0_svc+0x58/0x14c [ 42.304739][ T4022] el0_svc+0x78/0x1e0 [ 42.305964][ T4022] el0t_64_sync_handler+0xcc/0xe4 [ 42.307535][ T4022] el0t_64_sync+0x1a0/0x1a4 [ 42.308998][ T4022] [ 42.308998][ T4022] -> #2 (sb_internal#2){.+.+}-{0:0}: [ 42.311141][ T4022] start_transaction+0x624/0x13f0 [ 42.312657][ T4022] btrfs_join_transaction+0x30/0x40 [ 42.314235][ T4022] btrfs_dirty_inode+0xb4/0x1c0 [ 42.315740][ T4022] btrfs_update_time+0x224/0x248 [ 42.317255][ T4022] touch_atime+0x3d0/0x914 [ 42.318601][ T4022] iterate_dir+0x280/0x4cc [ 42.320016][ T4022] __arm64_sys_getdents64+0x11c/0x340 [ 42.321650][ T4022] invoke_syscall+0x98/0x2b8 [ 42.323076][ T4022] el0_svc_common+0x138/0x258 [ 42.324495][ T4022] do_el0_svc+0x58/0x14c [ 42.325870][ T4022] el0_svc+0x78/0x1e0 [ 42.327113][ T4022] el0t_64_sync_handler+0xcc/0xe4 [ 42.328641][ T4022] el0t_64_sync+0x1a0/0x1a4 [ 42.330085][ T4022] [ 42.330085][ T4022] -> #1 (&type->i_mutex_dir_key#6){++++}-{3:3}: [ 42.332430][ T4022] down_read+0xc0/0x390 [ 42.333824][ T4022] lookup_slow+0x4c/0x80 [ 42.335205][ T4022] walk_component+0x2b0/0x3a8 [ 42.336746][ T4022] path_lookupat+0x13c/0x3d0 [ 42.338238][ T4022] filename_lookup+0x180/0x414 [ 42.339724][ T4022] kern_path+0x4c/0x190 [ 42.341049][ T4022] lookup_bdev+0xbc/0x244 [ 42.342402][ T4022] btrfs_free_stale_devices+0x614/0x908 [ 42.344091][ T4022] btrfs_forget_devices+0x5c/0x98 [ 42.345654][ T4022] btrfs_control_ioctl+0x130/0x248 [ 42.347315][ T4022] __arm64_sys_ioctl+0x14c/0x1c8 [ 42.348866][ T4022] invoke_syscall+0x98/0x2b8 [ 42.350383][ T4022] el0_svc_common+0x138/0x258 [ 42.351878][ T4022] do_el0_svc+0x58/0x14c [ 42.353206][ T4022] el0_svc+0x78/0x1e0 [ 42.354517][ T4022] el0t_64_sync_handler+0xcc/0xe4 [ 42.356106][ T4022] el0t_64_sync+0x1a0/0x1a4 [ 42.357527][ T4022] [ 42.357527][ T4022] -> #0 (&fs_devs->device_list_mutex){+.+.}-{3:3}: [ 42.360002][ T4022] __lock_acquire+0x2928/0x651c [ 42.361499][ T4022] lock_acquire+0x1f4/0x620 [ 42.362943][ T4022] __mutex_lock_common+0x194/0x1edc [ 42.364465][ T4022] mutex_lock_nested+0xac/0x11c [ 42.365953][ T4022] btrfs_run_dev_stats+0xe0/0xcac [ 42.367489][ T4022] commit_cowonly_roots+0x144/0x7e8 [ 42.369135][ T4022] btrfs_commit_transaction+0xf04/0x3044 [ 42.370866][ T4022] btrfs_sync_fs+0x628/0xb2c [ 42.372358][ T4022] sync_filesystem+0x1a0/0x218 [ 42.373798][ T4022] generic_shutdown_super+0x70/0x2f0 [ 42.375409][ T4022] kill_anon_super+0x4c/0x80 [ 42.376816][ T4022] btrfs_kill_super+0x40/0x58 [ 42.378250][ T4022] deactivate_locked_super+0xb8/0x13c [ 42.379921][ T4022] deactivate_super+0xf8/0x118 [ 42.381338][ T4022] cleanup_mnt+0x3a4/0x458 [ 42.382676][ T4022] __cleanup_mnt+0x20/0x30 [ 42.384078][ T4022] task_work_run+0x12c/0x1e0 [ 42.385515][ T4022] do_notify_resume+0x24b4/0x3128 [ 42.387166][ T4022] el0_svc+0xf0/0x1e0 [ 42.388440][ T4022] el0t_64_sync_handler+0xcc/0xe4 [ 42.390018][ T4022] el0t_64_sync+0x1a0/0x1a4 [ 42.391398][ T4022] [ 42.391398][ T4022] other info that might help us debug this: [ 42.391398][ T4022] [ 42.394355][ T4022] Chain exists of: [ 42.394355][ T4022] &fs_devs->device_list_mutex --> &fs_info->reloc_mutex --> &fs_info->tree_log_mutex [ 42.394355][ T4022] [ 42.398685][ T4022] Possible unsafe locking scenario: [ 42.398685][ T4022] [ 42.400758][ T4022] CPU0 CPU1 [ 42.402272][ T4022] ---- ---- [ 42.403749][ T4022] lock(&fs_info->tree_log_mutex); [ 42.405191][ T4022] lock(&fs_info->reloc_mutex); [ 42.407291][ T4022] lock(&fs_info->tree_log_mutex); [ 42.409437][ T4022] lock(&fs_devs->device_list_mutex); [ 42.410919][ T4022] [ 42.410919][ T4022] *** DEADLOCK *** [ 42.410919][ T4022] [ 42.413220][ T4022] 3 locks held by syz-executor314/4022: [ 42.414857][ T4022] #0: ffff0000c1a680e0 (&type->s_umount_key#41){+.+.}-{3:3}, at: deactivate_super+0xf0/0x118 [ 42.417856][ T4022] #1: ffff0000cdd90c90 (&fs_info->reloc_mutex){+.+.}-{3:3}, at: btrfs_commit_transaction+0xda8/0x3044 [ 42.420980][ T4022] #2: ffff0000cdd90720 (&fs_info->tree_log_mutex){+.+.}-{3:3}, at: btrfs_commit_transaction+0xe44/0x3044 [ 42.424175][ T4022] [ 42.424175][ T4022] stack backtrace: [ 42.425838][ T4022] CPU: 0 PID: 4022 Comm: syz-executor314 Not tainted 5.15.182-syzkaller #0 [ 42.428256][ T4022] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 42.431113][ T4022] Call trace: [ 42.432022][ T4022] dump_backtrace+0x0/0x43c [ 42.433278][ T4022] show_stack+0x2c/0x3c [ 42.434454][ T4022] __dump_stack+0x30/0x40 [ 42.435647][ T4022] dump_stack_lvl+0xf8/0x160 [ 42.436889][ T4022] dump_stack+0x1c/0x5c [ 42.438049][ T4022] print_circular_bug+0x148/0x1b0 [ 42.439451][ T4022] check_noncircular+0x240/0x2d4 [ 42.440944][ T4022] __lock_acquire+0x2928/0x651c [ 42.442368][ T4022] lock_acquire+0x1f4/0x620 [ 42.443635][ T4022] __mutex_lock_common+0x194/0x1edc [ 42.445113][ T4022] mutex_lock_nested+0xac/0x11c [ 42.446440][ T4022] btrfs_run_dev_stats+0xe0/0xcac [ 42.447905][ T4022] commit_cowonly_roots+0x144/0x7e8 [ 42.449344][ T4022] btrfs_commit_transaction+0xf04/0x3044 [ 42.450964][ T4022] btrfs_sync_fs+0x628/0xb2c [ 42.452253][ T4022] sync_filesystem+0x1a0/0x218 [ 42.453557][ T4022] generic_shutdown_super+0x70/0x2f0 [ 42.455095][ T4022] kill_anon_super+0x4c/0x80 [ 42.456376][ T4022] btrfs_kill_super+0x40/0x58 [ 42.457759][ T4022] deactivate_locked_super+0xb8/0x13c [ 42.459277][ T4022] deactivate_super+0xf8/0x118 [ 42.460619][ T4022] cleanup_mnt+0x3a4/0x458 [ 42.461900][ T4022] __cleanup_mnt+0x20/0x30 [ 42.463099][ T4022] task_work_run+0x12c/0x1e0 [ 42.464378][ T4022] do_notify_resume+0x24b4/0x3128 [ 42.465761][ T4022] el0_svc+0xf0/0x1e0 [ 42.466890][ T4022] el0t_64_sync_handler+0xcc/0xe4 [ 42.468264][ T4022] el0t_64_sync+0x1a0/0x1a4 executing program [ 42.676681][ T4063] loop0: detected capacity change from 0 to 32768 [ 42.732407][ T4063] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz-executor314 (4063) [ 42.737402][ T4063] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 42.740024][ T4063] BTRFS info (device loop0): disabling tree log [ 42.741772][ T4063] BTRFS info (device loop0): doing ref verification [ 42.743597][ T4063] BTRFS info (device loop0): max_inline at 0 [ 42.745272][ T4063] BTRFS warning (device loop0): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 42.748152][ T4063] BTRFS info (device loop0): trying to use backup root at mount time [ 42.750810][ T4063] BTRFS info (device loop0): turning on sync discard [ 42.752648][ T4063] BTRFS info (device loop0): using free space tree [ 42.754420][ T4063] BTRFS info (device loop0): has skinny extents [ 42.756119][ T4063] workqueue: max_active 18885 requested for btrfs-worker is out of range, clamping between 1 and 512 [ 42.759734][ T4063] workqueue: max_active 18885 requested for btrfs-worker-high is out of range, clamping between 1 and 512 [ 42.763134][ T4063] workqueue: max_active 18885 requested for btrfs-delalloc is out of range, clamping between 1 and 512 [ 42.767271][ T4063] workqueue: max_active 18885 requested for btrfs-endio is out of range, clamping between 1 and 512 [ 42.771099][ T4063] workqueue: max_active 18885 requested for btrfs-endio-meta is out of range, clamping between 1 and 512 [ 42.774578][ T4063] workqueue: max_active 18885 requested for btrfs-endio-meta-write is out of range, clamping between 1 and 512 [ 42.778180][ T4063] workqueue: max_active 18885 requested for btrfs-endio-raid56 is out of range, clamping between 1 and 512 [ 42.781927][ T4063] workqueue: max_active 18885 requested for btrfs-rmw is out of range, clamping between 1 and 512 [ 42.785306][ T4063] workqueue: max_active 18885 requested for btrfs-endio-write is out of range, clamping between 1 and 512 [ 42.790119][ T4063] workqueue: max_active 18885 requested for btrfs-readahead is out of range, clamping between 1 and 512 executing program [ 42.957224][ T4084] loop0: detected capacity change from 0 to 32768 [ 43.011976][ T4084] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz-executor314 (4084) [ 43.017070][ T4084] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 43.019462][ T4084] BTRFS info (device loop0): disabling tree log [ 43.021505][ T4084] BTRFS info (device loop0): doing ref verification [ 43.023312][ T4084] BTRFS info (device loop0): max_inline at 0 [ 43.024927][ T4084] BTRFS warning (device loop0): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 43.027843][ T4084] BTRFS info (device loop0): trying to use backup root at mount time [ 43.030226][ T4084] BTRFS info (device loop0): turning on sync discard [ 43.032408][ T4084] BTRFS info (device loop0): using free space tree [ 43.034173][ T4084] BTRFS info (device loop0): has skinny extents [ 43.035891][ T4084] workqueue: max_active 18885 requested for btrfs-worker is out of range, clamping between 1 and 512 [ 43.039272][ T4084] workqueue: max_active 18885 requested for btrfs-worker-high is out of range, clamping between 1 and 512 [ 43.042839][ T4084] workqueue: max_active 18885 requested for btrfs-delalloc is out of range, clamping between 1 and 512 [ 43.047205][ T4084] workqueue: max_active 18885 requested for btrfs-endio is out of range, clamping between 1 and 512 [ 43.050820][ T4084] workqueue: max_active 18885 requested for btrfs-endio-meta is out of range, clamping between 1 and 512 [ 43.054419][ T4084] workqueue: max_active 18885 requested for btrfs-endio-meta-write is out of range, clamping between 1 and 512 [ 43.058598][ T4084] workqueue: max_active 18885 requested for btrfs-endio-raid56 is out of range, clamping between 1 and 512 [ 43.062677][ T4084] workqueue: max_active 18885 requested for btrfs-rmw is out of range, clamping between 1 and 512 [ 43.066249][ T4084] workqueue: max_active 18885 requested for btrfs-endio-write is out of range, clamping between 1 and 512 [ 43.071288][ T4084] workqueue: max_active 18885 requested for btrfs-readahead is out of range, clamping between 1 and 512 [ 43.117865][ T4025] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 10 /dev/loop0 scanned by udevd (4025) executing program [ 43.240727][ T4121] loop0: detected capacity change from 0 to 32768 [ 43.303203][ T4121] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 43.305649][ T4121] BTRFS info (device loop0): disabling tree log [ 43.307375][ T4121] BTRFS info (device loop0): doing ref verification [ 43.309601][ T4121] BTRFS info (device loop0): max_inline at 0 [ 43.311272][ T4121] BTRFS warning (device loop0): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 43.314196][ T4121] BTRFS info (device loop0): trying to use backup root at mount time [ 43.316525][ T4121] BTRFS info (device loop0): turning on sync discard [ 43.318397][ T4121] BTRFS info (device loop0): using free space tree [ 43.320565][ T4121] BTRFS info (device loop0): has skinny extents [ 43.322281][ T4121] workqueue: max_active 18885 requested for btrfs-worker is out of range, clamping between 1 and 512 [ 43.325508][ T4121] workqueue: max_active 18885 requested for btrfs-worker-high is out of range, clamping between 1 and 512 [ 43.329519][ T4121] workqueue: max_active 18885 requested for btrfs-delalloc is out of range, clamping between 1 and 512 [ 43.333925][ T4121] workqueue: max_active 18885 requested for btrfs-endio is out of range, clamping between 1 and 512 [ 43.337344][ T4121] workqueue: max_active 18885 requested for btrfs-endio-meta is out of range, clamping between 1 and 512 [ 43.341071][ T4121] workqueue: max_active 18885 requested for btrfs-endio-meta-write is out of range, clamping between 1 and 512 [ 43.344640][ T4121] workqueue: max_active 18885 requested for btrfs-endio-raid56 is out of range, clamping between 1 and 512 [ 43.348183][ T4121] workqueue: max_active 18885 requested for btrfs-rmw is out of range, clamping between 1 and 512 [ 43.352316][ T4121] workqueue: max_active 18885 requested for btrfs-endio-write is out of range, clamping between 1 and 512 [ 43.356439][ T4121] workqueue: max_active 18885 requested for btrfs-readahead is out of range, clamping between 1 and 512 executing program [ 43.410999][ T4025] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 10 /dev/loop0 scanned by udevd (4025) [ 43.530328][ T4142] loop0: detected capacity change from 0 to 32768 [ 43.650099][ T4142] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 43.652626][ T4142] BTRFS info (device loop0): disabling tree log [ 43.654368][ T4142] BTRFS info (device loop0): doing ref verification [ 43.656191][ T4142] BTRFS info (device loop0): max_inline at 0 [ 43.657837][ T4142] BTRFS warning (device loop0): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 43.661216][ T4142] BTRFS info (device loop0): trying to use backup root at mount time [ 43.663495][ T4142] BTRFS info (device loop0): turning on sync discard [ 43.665346][ T4142] BTRFS info (device loop0): using free space tree [ 43.667081][ T4142] BTRFS info (device loop0): has skinny extents [ 43.669263][ T4142] workqueue: max_active 18885 requested for btrfs-worker is out of range, clamping between 1 and 512 [ 43.672502][ T4142] workqueue: max_active 18885 requested for btrfs-worker-high is out of range, clamping between 1 and 512 [ 43.675992][ T4142] workqueue: max_active 18885 requested for btrfs-delalloc is out of range, clamping between 1 and 512 [ 43.680636][ T4142] workqueue: max_active 18885 requested for btrfs-endio is out of range, clamping between 1 and 512 [ 43.683931][ T4142] workqueue: max_active 18885 requested for btrfs-endio-meta is out of range, clamping between 1 and 512 [ 43.687516][ T4142] workqueue: max_active 18885 requested for btrfs-endio-meta-write is out of range, clamping between 1 and 512 [ 43.691528][ T4142] workqueue: max_active 18885 requested for btrfs-endio-raid56 is out of range, clamping between 1 and 512 [ 43.695017][ T4142] workqueue: max_active 18885 requested for btrfs-rmw is out of range, clamping between 1 and 512 [ 43.698323][ T4142] workqueue: max_active 18885 requested for btrfs-endio-write is out of range, clamping between 1 and 512 [ 43.702758][ T4142] workqueue: max_active 18885 requested for btrfs-readahead is out of range, clamping between 1 and 512 executing program [ 43.751278][ T4025] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 10 /dev/loop0 scanned by udevd (4025) [ 43.872730][ T4163] loop0: detected capacity change from 0 to 32768 [ 43.931206][ T4163] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 43.933712][ T4163] BTRFS info (device loop0): disabling tree log [ 43.935342][ T4163] BTRFS info (device loop0): doing ref verification [ 43.937162][ T4163] BTRFS info (device loop0): max_inline at 0 [ 43.938876][ T4163] BTRFS warning (device loop0): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 43.942108][ T4163] BTRFS info (device loop0): trying to use backup root at mount time [ 43.944312][ T4163] BTRFS info (device loop0): turning on sync discard [ 43.946171][ T4163] BTRFS info (device loop0): using free space tree [ 43.947970][ T4163] BTRFS info (device loop0): has skinny extents [ 43.949801][ T4163] workqueue: max_active 18885 requested for btrfs-worker is out of range, clamping between 1 and 512 [ 43.953282][ T4163] workqueue: max_active 18885 requested for btrfs-worker-high is out of range, clamping between 1 and 512 [ 43.956846][ T4163] workqueue: max_active 18885 requested for btrfs-delalloc is out of range, clamping between 1 and 512 [ 43.961513][ T4163] workqueue: max_active 18885 requested for btrfs-endio is out of range, clamping between 1 and 512 [ 43.965159][ T4163] workqueue: max_active 18885 requested for btrfs-endio-meta is out of range, clamping between 1 and 512 [ 43.968666][ T4163] workqueue: max_active 18885 requested for btrfs-endio-meta-write is out of range, clamping between 1 and 512 [ 43.972672][ T4163] workqueue: max_active 18885 requested for btrfs-endio-raid56 is out of range, clamping between 1 and 512 [ 43.976234][ T4163] workqueue: max_active 18885 requested for btrfs-rmw is out of range, clamping between 1 and 512 [ 43.980507][ T4163] workqueue: max_active 18885 requested for btrfs-endio-write is out of range, clamping between 1 and 512 [ 43.984681][ T4163] workqueue: max_active 18885 requested for btrfs-readahead is out of range, clamping between 1 and 512 [ 44.031005][ T4025] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 10 /dev/loop0 scanned by udevd (4025) executing program [ 44.153123][ T4184] loop0: detected capacity change from 0 to 32768 [ 44.159266][ T4184] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 44.161643][ T4184] BTRFS info (device loop0): disabling tree log [ 44.163340][ T4184] BTRFS info (device loop0): doing ref verification [ 44.165325][ T4184] BTRFS info (device loop0): max_inline at 0 [ 44.166908][ T4184] BTRFS warning (device loop0): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 44.171594][ T4184] BTRFS info (device loop0): trying to use backup root at mount time [ 44.173834][ T4184] BTRFS info (device loop0): turning on sync discard [ 44.175872][ T4184] BTRFS info (device loop0): using free space tree [ 44.177659][ T4184] BTRFS info (device loop0): has skinny extents [ 44.180310][ T4184] workqueue: max_active 18885 requested for btrfs-worker is out of range, clamping between 1 and 512 [ 44.183617][ T4184] workqueue: max_active 18885 requested for btrfs-worker-high is out of range, clamping between 1 and 512 [ 44.187219][ T4184] workqueue: max_active 18885 requested for btrfs-delalloc is out of range, clamping between 1 and 512 [ 44.191998][ T4184] workqueue: max_active 18885 requested for btrfs-endio is out of range, clamping between 1 and 512 [ 44.195395][ T4184] workqueue: max_active 18885 requested for btrfs-endio-meta is out of range, clamping between 1 and 512 [ 44.199249][ T4184] workqueue: max_active 18885 requested for btrfs-endio-meta-write is out of range, clamping between 1 and 512 [ 44.202789][ T4184] workqueue: max_active 18885 requested for btrfs-endio-raid56 is out of range, clamping between 1 and 512 [ 44.206237][ T4184] workqueue: max_active 18885 requested for btrfs-rmw is out of range, clamping between 1 and 512 [ 44.209934][ T4184] workqueue: max_active 18885 requested for btrfs-endio-write is out of range, clamping between 1 and 512 [ 44.214050][ T4184] workqueue: max_active 18885 requested for btrfs-readahead is out of range, clamping between 1 and 512 executing program [ 44.384645][ T4206] loop0: detected capacity change from 0 to 32768 [ 44.387816][ T4206] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz-executor314 (4206) [ 44.394413][ T4206] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 44.396961][ T4206] BTRFS info (device loop0): disabling tree log [ 44.398646][ T4206] BTRFS info (device loop0): doing ref verification [ 44.400956][ T4206] BTRFS info (device loop0): max_inline at 0 [ 44.402665][ T4206] BTRFS warning (device loop0): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 44.405580][ T4206] BTRFS info (device loop0): trying to use backup root at mount time [ 44.407903][ T4206] BTRFS info (device loop0): turning on sync discard [ 44.411284][ T4206] BTRFS info (device loop0): using free space tree [ 44.413170][ T4206] BTRFS info (device loop0): has skinny extents [ 44.414927][ T4206] workqueue: max_active 18885 requested for btrfs-worker is out of range, clamping between 1 and 512 [ 44.418316][ T4206] workqueue: max_active 18885 requested for btrfs-worker-high is out of range, clamping between 1 and 512 [ 44.422279][ T4206] workqueue: max_active 18885 requested for btrfs-delalloc is out of range, clamping between 1 and 512 [ 44.426783][ T4206] workqueue: max_active 18885 requested for btrfs-endio is out of range, clamping between 1 and 512 [ 44.431021][ T4206] workqueue: max_active 18885 requested for btrfs-endio-meta is out of range, clamping between 1 and 512 [ 44.435133][ T4206] workqueue: max_active 18885 requested for btrfs-endio-meta-write is out of range, clamping between 1 and 512 [ 44.438668][ T4206] workqueue: max_active 18885 requested for btrfs-endio-raid56 is out of range, clamping between 1 and 512 [ 44.442631][ T4206] workqueue: max_active 18885 requested for btrfs-rmw is out of range, clamping between 1 and 512 [ 44.445948][ T4206] workqueue: max_active 18885 requested for btrfs-endio-write is out of range, clamping between 1 and 512 [ 44.450196][ T4206] workqueue: max_active 18885 requested for btrfs-readahead is out of range, clamping between 1 and 512 executing program [ 44.620060][ T4227] loop0: detected capacity change from 0 to 32768 [ 44.623371][ T4227] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz-executor314 (4227) [ 44.629173][ T4227] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 44.631632][ T4227] BTRFS info (device loop0): disabling tree log [ 44.633355][ T4227] BTRFS info (device loop0): doing ref verification [ 44.635146][ T4227] BTRFS info (device loop0): max_inline at 0 [ 44.636829][ T4227] BTRFS warning (device loop0): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 44.640092][ T4227] BTRFS info (device loop0): trying to use backup root at mount time [ 44.642293][ T4227] BTRFS info (device loop0): turning on sync discard [ 44.644153][ T4227] BTRFS info (device loop0): using free space tree [ 44.645948][ T4227] BTRFS info (device loop0): has skinny extents [ 44.647602][ T4227] workqueue: max_active 18885 requested for btrfs-worker is out of range, clamping between 1 and 512 [ 44.654437][ T4227] workqueue: max_active 18885 requested for btrfs-worker-high is out of range, clamping between 1 and 512 [ 44.658015][ T4227] workqueue: max_active 18885 requested for btrfs-delalloc is out of range, clamping between 1 and 512 [ 44.663348][ T4227] workqueue: max_active 18885 requested for btrfs-endio is out of range, clamping between 1 and 512 [ 44.666958][ T4227] workqueue: max_active 18885 requested for btrfs-endio-meta is out of range, clamping between 1 and 512 [ 44.670720][ T4227] workqueue: max_active 18885 requested for btrfs-endio-meta-write is out of range, clamping between 1 and 512 [ 44.674517][ T4227] workqueue: max_active 18885 requested for btrfs-endio-raid56 is out of range, clamping between 1 and 512 [ 44.678043][ T4227] workqueue: max_active 18885 requested for btrfs-rmw is out of range, clamping between 1 and 512 [ 44.681574][ T4227] workqueue: max_active 18885 requested for btrfs-endio-write is out of range, clamping between 1 and 512 [ 44.685761][ T4227] workqueue: max_active 18885 requested for btrfs-readahead is out of range, clamping between 1 and 512 [ 44.727169][ T4025] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 10 /dev/loop0 scanned by udevd (4025) executing program [ 44.870083][ T4247] loop0: detected capacity change from 0 to 32768 [ 45.000301][ T4247] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 45.002970][ T4247] BTRFS info (device loop0): disabling tree log [ 45.004977][ T4247] BTRFS info (device loop0): doing ref verification [ 45.006967][ T4247] BTRFS info (device loop0): max_inline at 0 [ 45.008593][ T4247] BTRFS warning (device loop0): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 45.011887][ T4247] BTRFS info (device loop0): trying to use backup root at mount time [ 45.014223][ T4247] BTRFS info (device loop0): turning on sync discard [ 45.016128][ T4247] BTRFS info (device loop0): using free space tree [ 45.017951][ T4247] BTRFS info (device loop0): has skinny extents [ 45.019777][ T4247] workqueue: max_active 18885 requested for btrfs-worker is out of range, clamping between 1 and 512 [ 45.023138][ T4247] workqueue: max_active 18885 requested for btrfs-worker-high is out of range, clamping between 1 and 512 [ 45.026634][ T4247] workqueue: max_active 18885 requested for btrfs-delalloc is out of range, clamping between 1 and 512 [ 45.031249][ T4247] workqueue: max_active 18885 requested for btrfs-endio is out of range, clamping between 1 and 512 [ 45.034744][ T4247] workqueue: max_active 18885 requested for btrfs-endio-meta is out of range, clamping between 1 and 512 [ 45.038356][ T4247] workqueue: max_active 18885 requested for btrfs-endio-meta-write is out of range, clamping between 1 and 512 [ 45.042252][ T4247] workqueue: max_active 18885 requested for btrfs-endio-raid56 is out of range, clamping between 1 and 512 [ 45.045770][ T4247] workqueue: max_active 18885 requested for btrfs-rmw is out of range, clamping between 1 and 512 [ 45.049208][ T4247] workqueue: max_active 18885 requested for btrfs-endio-write is out of range, clamping between 1 and 512 [ 45.053368][ T4247] workqueue: max_active 18885 requested for btrfs-readahead is out of range, clamping between 1 and 512 executing program [ 45.110302][ T4025] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 10 /dev/loop0 scanned by udevd (4025) [ 45.224859][ T4268] loop0: detected capacity change from 0 to 32768 [ 45.351601][ T4268] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 45.353992][ T4268] BTRFS info (device loop0): disabling tree log [ 45.355685][ T4268] BTRFS info (device loop0): doing ref verification [ 45.357583][ T4268] BTRFS info (device loop0): max_inline at 0 [ 45.359371][ T4268] BTRFS warning (device loop0): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 45.362326][ T4268] BTRFS info (device loop0): trying to use backup root at mount time [ 45.364573][ T4268] BTRFS info (device loop0): turning on sync discard [ 45.366541][ T4268] BTRFS info (device loop0): using free space tree [ 45.368295][ T4268] BTRFS info (device loop0): has skinny extents [ 45.370128][ T4268] workqueue: max_active 18885 requested for btrfs-worker is out of range, clamping between 1 and 512 [ 45.373588][ T4268] workqueue: max_active 18885 requested for btrfs-worker-high is out of range, clamping between 1 and 512 [ 45.377087][ T4268] workqueue: max_active 18885 requested for btrfs-delalloc is out of range, clamping between 1 and 512 [ 45.381696][ T4268] workqueue: max_active 18885 requested for btrfs-endio is out of range, clamping between 1 and 512 [ 45.385112][ T4268] workqueue: max_active 18885 requested for btrfs-endio-meta is out of range, clamping between 1 and 512 [ 45.388661][ T4268] workqueue: max_active 18885 requested for btrfs-endio-meta-write is out of range, clamping between 1 and 512 [ 45.392528][ T4268] workqueue: max_active 18885 requested for btrfs-endio-raid56 is out of range, clamping between 1 and 512 [ 45.396003][ T4268] workqueue: max_active 18885 requested for btrfs-rmw is out of range, clamping between 1 and 512 [ 45.399432][ T4268] workqueue: max_active 18885 requested for btrfs-endio-write is out of range, clamping between 1 and 512 [ 45.403682][ T4268] workqueue: max_active 18885 requested for btrfs-readahead is out of range, clamping between 1 and 512 [ 45.451992][ T4025] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 10 /dev/loop0 scanned by udevd (4025) executing program [ 45.589955][ T4289] loop0: detected capacity change from 0 to 32768 [ 45.720209][ T4289] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 45.722832][ T4289] BTRFS info (device loop0): disabling tree log [ 45.724573][ T4289] BTRFS info (device loop0): doing ref verification [ 45.726431][ T4289] BTRFS info (device loop0): max_inline at 0 [ 45.728100][ T4289] BTRFS warning (device loop0): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 45.731225][ T4289] BTRFS info (device loop0): trying to use backup root at mount time [ 45.733749][ T4289] BTRFS info (device loop0): turning on sync discard [ 45.735724][ T4289] BTRFS info (device loop0): using free space tree [ 45.737558][ T4289] BTRFS info (device loop0): has skinny extents [ 45.739429][ T4289] workqueue: max_active 18885 requested for btrfs-worker is out of range, clamping between 1 and 512 [ 45.743102][ T4289] workqueue: max_active 18885 requested for btrfs-worker-high is out of range, clamping between 1 and 512 [ 45.746798][ T4289] workqueue: max_active 18885 requested for btrfs-delalloc is out of range, clamping between 1 and 512 [ 45.751404][ T4289] workqueue: max_active 18885 requested for btrfs-endio is out of range, clamping between 1 and 512 [ 45.754873][ T4289] workqueue: max_active 18885 requested for btrfs-endio-meta is out of range, clamping between 1 and 512 [ 45.758447][ T4289] workqueue: max_active 18885 requested for btrfs-endio-meta-write is out of range, clamping between 1 and 512 [ 45.762378][ T4289] workqueue: max_active 18885 requested for btrfs-endio-raid56 is out of range, clamping between 1 and 512 [ 45.766015][ T4289] workqueue: max_active 18885 requested for btrfs-rmw is out of range, clamping between 1 and 512 [ 45.769544][ T4289] workqueue: max_active 18885 requested for btrfs-endio-write is out of range, clamping between 1 and 512 [ 45.773819][ T4289] workqueue: max_active 18885 requested for btrfs-readahead is out of range, clamping between 1 and 512 executing program [ 45.840895][ T4025] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 10 /dev/loop0 scanned by udevd (4025) [ 45.949970][ T4310] loop0: detected capacity change from 0 to 32768 [ 46.100155][ T4310] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 46.102874][ T4310] BTRFS info (device loop0): disabling tree log [ 46.104670][ T4310] BTRFS info (device loop0): doing ref verification [ 46.106498][ T4310] BTRFS info (device loop0): max_inline at 0 [ 46.108200][ T4310] BTRFS warning (device loop0): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 46.111416][ T4310] workqueue: max_active 18885 requested for btrfs-worker is out of range, clamping between 1 and 512 [ 46.114857][ T4310] workqueue: max_active 18885 requested for btrfs-worker-high is out of range, clamping between 1 and 512 [ 46.118434][ T4310] workqueue: max_active 18885 requested for btrfs-delalloc is out of range, clamping between 1 and 512 [ 46.122905][ T4310] workqueue: max_active 18885 requested for btrfs-endio is out of range, clamping between 1 and 512 [ 46.126504][ T4310] workqueue: max_active 18885 requested for btrfs-endio-meta is out of range, clamping between 1 and 512 [ 46.130115][ T4310] workqueue: max_active 18885 requested for btrfs-endio-meta-write is out of range, clamping between 1 and 512 [ 46.133669][ T4310] workqueue: max_active 18885 requested for btrfs-endio-raid56 is out of range, clamping between 1 and 512 [ 46.137283][ T4310] workqueue: max_active 18885 requested for btrfs-rmw is out of range, clamping between 1 and 512 [ 46.140687][ T4310] workqueue: max_active 18885 requested for btrfs-endio-write is out of range, clamping between 1 and 512 [ 46.144837][ T4310] workqueue: max_active 18885 requested for btrfs-readahead is out of range, clamping between 1 and 512 executing program [ 46.213853][ T4025] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 10 /dev/loop0 scanned by udevd (4025) [ 46.330298][ T4331] loop0: detected capacity change from 0 to 32768 [ 46.460224][ T4331] BTRFS warning (device loop0): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 46.463398][ T4331] workqueue: max_active 18885 requested for btrfs-worker is out of range, clamping between 1 and 512 [ 46.466733][ T4331] workqueue: max_active 18885 requested for btrfs-worker-high is out of range, clamping between 1 and 512 [ 46.470312][ T4331] workqueue: max_active 18885 requested for btrfs-delalloc is out of range, clamping between 1 and 512 [ 46.474588][ T4331] workqueue: max_active 18885 requested for btrfs-endio is out of range, clamping between 1 and 512 [ 46.477826][ T4331] workqueue: max_active 18885 requested for btrfs-endio-meta is out of range, clamping between 1 and 512 [ 46.481478][ T4331] workqueue: max_active 18885 requested for btrfs-endio-meta-write is out of range, clamping between 1 and 512 [ 46.485042][ T4331] workqueue: max_active 18885 requested for btrfs-endio-raid56 is out of range, clamping between 1 and 512 [ 46.488434][ T4331] workqueue: max_active 18885 requested for btrfs-rmw is out of range, clamping between 1 and 512 [ 46.491926][ T4331] workqueue: max_active 18885 requested for btrfs-endio-write is out of range, clamping between 1 and 512 [ 46.496093][ T4331] workqueue: max_active 18885 requested for btrfs-readahead is out of range, clamping between 1 and 512 executing program [ 46.692473][ T4352] loop0: detected capacity change from 0 to 32768 [ 46.702081][ T4352] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz-executor314 (4352) [ 46.710945][ T4352] BTRFS warning (device loop0): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 46.713991][ T4352] workqueue: max_active 18885 requested for btrfs-worker is out of range, clamping between 1 and 512 [ 46.720529][ T4352] workqueue: max_active 18885 requested for btrfs-worker-high is out of range, clamping between 1 and 512 [ 46.724366][ T4352] workqueue: max_active 18885 requested for btrfs-delalloc is out of range, clamping between 1 and 512 [ 46.729104][ T4352] workqueue: max_active 18885 requested for btrfs-endio is out of range, clamping between 1 and 512 [ 46.732529][ T4352] workqueue: max_active 18885 requested for btrfs-endio-meta is out of range, clamping between 1 and 512 [ 46.736073][ T4352] workqueue: max_active 18885 requested for btrfs-endio-meta-write is out of range, clamping between 1 and 512 [ 46.739780][ T4352] workqueue: max_active 18885 requested for btrfs-endio-raid56 is out of range, clamping between 1 and 512 [ 46.743309][ T4352] workqueue: max_active 18885 requested for btrfs-rmw is out of range, clamping between 1 and 512 [ 46.746606][ T4352] workqueue: max_active 18885 requested for btrfs-endio-write is out of range, clamping between 1 and 512 [ 46.750792][ T4352] workqueue: max_active 18885 requested for btrfs-readahead is out of range, clamping between 1 and 512 executing program [ 46.984228][ T4373] loop0: detected capacity change from 0 to 32768 [ 47.020027][ T4373] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz-executor314 (4373) [ 47.026577][ T4373] BTRFS warning (device loop0): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 47.030230][ T4373] workqueue: max_active 18885 requested for btrfs-worker is out of range, clamping between 1 and 512 [ 47.033573][ T4373] workqueue: max_active 18885 requested for btrfs-worker-high is out of range, clamping between 1 and 512 [ 47.037239][ T4373] workqueue: max_active 18885 requested for btrfs-delalloc is out of range, clamping between 1 and 512 [ 47.041675][ T4373] workqueue: max_active 18885 requested for btrfs-endio is out of range, clamping between 1 and 512 [ 47.045112][ T4373] workqueue: max_active 18885 requested for btrfs-endio-meta is out of range, clamping between 1 and 512 [ 47.048547][ T4373] workqueue: max_active 18885 requested for btrfs-endio-meta-write is out of range, clamping between 1 and 512 [ 47.052466][ T4373] workqueue: max_active 18885 requested for btrfs-endio-raid56 is out of range, clamping between 1 and 512 [ 47.056139][ T4373] workqueue: max_active 18885 requested for btrfs-rmw is out of range, clamping between 1 and 512 [ 47.059632][ T4373] workqueue: max_active 18885 requested for btrfs-endio-write is out of range, clamping between 1 and 512 [ 47.063618][ T4373] workqueue: max_active 18885 requested for btrfs-readahead is out of range, clamping between 1 and 512 executing program [ 47.300570][ T4393] loop0: detected capacity change from 0 to 32768 [ 47.339919][ T4393] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz-executor314 (4393) [ 47.347555][ T4393] btrfs_printk: 28 callbacks suppressed [ 47.347567][ T4393] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 47.351737][ T4393] BTRFS info (device loop0): disabling tree log [ 47.353401][ T4393] BTRFS info (device loop0): doing ref verification [ 47.355242][ T4393] BTRFS info (device loop0): max_inline at 0 [ 47.356883][ T4393] BTRFS warning (device loop0): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 47.360507][ T4393] BTRFS info (device loop0): trying to use backup root at mount time [ 47.363252][ T4393] BTRFS info (device loop0): turning on sync discard [ 47.365211][ T4393] BTRFS info (device loop0): using free space tree [ 47.367005][ T4393] BTRFS info (device loop0): has skinny extents [ 47.368674][ T4393] workqueue: max_active 18885 requested for btrfs-worker is out of range, clamping between 1 and 512 [ 47.372149][ T4393] workqueue: max_active 18885 requested for btrfs-worker-high is out of range, clamping between 1 and 512 [ 47.375803][ T4393] workqueue: max_active 18885 requested for btrfs-delalloc is out of range, clamping between 1 and 512 [ 47.380250][ T4393] workqueue: max_active 18885 requested for btrfs-endio is out of range, clamping between 1 and 512 [ 47.383670][ T4393] workqueue: max_active 18885 requested for btrfs-endio-meta is out of range, clamping between 1 and 512 [ 47.387238][ T4393] workqueue: max_active 18885 requested for btrfs-endio-meta-write is out of range, clamping between 1 and 512 [ 47.391607][ T4393] workqueue: max_active 18885 requested for btrfs-endio-raid56 is out of range, clamping between 1 and 512 [ 47.395579][ T4393] workqueue: max_active 18885 requested for btrfs-rmw is out of range, clamping between 1 and 512 [ 47.399128][ T4393] workqueue: max_active 18885 requested for btrfs-endio-write is out of range, clamping between 1 and 512 [ 47.403187][ T4393] workqueue: max_active 18885 requested for btrfs-readahead is out of range, clamping between 1 and 512 executing program [ 47.577451][ T4414] loop0: detected capacity change from 0 to 32768 [ 47.586584][ T4414] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz-executor314 (4414) [ 47.592386][ T4414] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 47.594880][ T4414] BTRFS info (device loop0): disabling tree log [ 47.596578][ T4414] BTRFS info (device loop0): doing ref verification [ 47.598496][ T4414] BTRFS info (device loop0): max_inline at 0 [ 47.600846][ T4414] BTRFS warning (device loop0): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 47.603751][ T4414] BTRFS info (device loop0): trying to use backup root at mount time [ 47.605909][ T4414] BTRFS info (device loop0): turning on sync discard [ 47.607756][ T4414] BTRFS info (device loop0): using free space tree [ 47.609575][ T4414] BTRFS info (device loop0): has skinny extents [ 47.611398][ T4414] workqueue: max_active 18885 requested for btrfs-worker is out of range, clamping between 1 and 512 [ 47.615349][ T4414] workqueue: max_active 18885 requested for btrfs-worker-high is out of range, clamping between 1 and 512 [ 47.619827][ T4414] workqueue: max_active 18885 requested for btrfs-delalloc is out of range, clamping between 1 and 512 [ 47.624201][ T4414] workqueue: max_active 18885 requested for btrfs-endio is out of range, clamping between 1 and 512 [ 47.627639][ T4414] workqueue: max_active 18885 requested for btrfs-endio-meta is out of range, clamping between 1 and 512 [ 47.631641][ T4414] workqueue: max_active 18885 requested for btrfs-endio-meta-write is out of range, clamping between 1 and 512 [ 47.635330][ T4414] workqueue: max_active 18885 requested for btrfs-endio-raid56 is out of range, clamping between 1 and 512 [ 47.641483][ T4414] workqueue: max_active 18885 requested for btrfs-rmw is out of range, clamping between 1 and 512 [ 47.644755][ T4414] workqueue: max_active 18885 requested for btrfs-endio-write is out of range, clamping between 1 and 512 [ 47.651602][ T4414] workqueue: max_active 18885 requested for btrfs-readahead is out of range, clamping between 1 and 512 executing program [ 47.822215][ T4435] loop0: detected capacity change from 0 to 32768 [ 47.850884][ T4435] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz-executor314 (4435) [ 47.857370][ T4435] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 47.860221][ T4435] BTRFS info (device loop0): disabling tree log [ 47.861943][ T4435] BTRFS info (device loop0): doing ref verification [ 47.863797][ T4435] BTRFS info (device loop0): max_inline at 0 [ 47.865404][ T4435] BTRFS warning (device loop0): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 47.868284][ T4435] BTRFS info (device loop0): trying to use backup root at mount time [ 47.871073][ T4435] BTRFS info (device loop0): turning on sync discard [ 47.872994][ T4435] BTRFS info (device loop0): using free space tree [ 47.874800][ T4435] BTRFS info (device loop0): has skinny extents [ 47.876596][ T4435] workqueue: max_active 18885 requested for btrfs-worker is out of range, clamping between 1 and 512 [ 47.880456][ T4435] workqueue: max_active 18885 requested for btrfs-worker-high is out of range, clamping between 1 and 512 [ 47.884173][ T4435] workqueue: max_active 18885 requested for btrfs-delalloc is out of range, clamping between 1 and 512 [ 47.888557][ T4435] workqueue: max_active 18885 requested for btrfs-endio is out of range, clamping between 1 and 512 [ 47.892509][ T4435] workqueue: max_active 18885 requested for btrfs-endio-meta is out of range, clamping between 1 and 512 [ 47.896163][ T4435] workqueue: max_active 18885 requested for btrfs-endio-meta-write is out of range, clamping between 1 and 512 [ 47.899966][ T4435] workqueue: max_active 18885 requested for btrfs-endio-raid56 is out of range, clamping between 1 and 512 [ 47.903407][ T4435] workqueue: max_active 18885 requested for btrfs-rmw is out of range, clamping between 1 and 512 [ 47.906779][ T4435] workqueue: max_active 18885 requested for btrfs-endio-write is out of range, clamping between 1 and 512 [ 47.911176][ T4435] workqueue: max_active 18885 requested for btrfs-readahead is out of range, clamping between 1 and 512 executing program [ 47.962783][ T4025] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 10 /dev/loop0 scanned by udevd (4025) [ 48.089877][ T4456] loop0: detected capacity change from 0 to 32768 [ 48.210247][ T4456] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 48.212491][ T4456] BTRFS info (device loop0): disabling tree log [ 48.214191][ T4456] BTRFS info (device loop0): doing ref verification [ 48.216097][ T4456] BTRFS info (device loop0): max_inline at 0 [ 48.217671][ T4456] BTRFS warning (device loop0): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 48.222345][ T4456] BTRFS info (device loop0): trying to use backup root at mount time [ 48.224574][ T4456] BTRFS info (device loop0): turning on sync discard [ 48.226446][ T4456] BTRFS info (device loop0): using free space tree [ 48.228144][ T4456] BTRFS info (device loop0): has skinny extents [ 48.229980][ T4456] workqueue: max_active 18885 requested for btrfs-worker is out of range, clamping between 1 and 512 [ 48.233813][ T4456] workqueue: max_active 18885 requested for btrfs-worker-high is out of range, clamping between 1 and 512 [ 48.237295][ T4456] workqueue: max_active 18885 requested for btrfs-delalloc is out of range, clamping between 1 and 512 [ 48.241567][ T4456] workqueue: max_active 18885 requested for btrfs-endio is out of range, clamping between 1 and 512 [ 48.245034][ T4456] workqueue: max_active 18885 requested for btrfs-endio-meta is out of range, clamping between 1 and 512 [ 48.248556][ T4456] workqueue: max_active 18885 requested for btrfs-endio-meta-write is out of range, clamping between 1 and 512 [ 48.252386][ T4456] workqueue: max_active 18885 requested for btrfs-endio-raid56 is out of range, clamping between 1 and 512 [ 48.256039][ T4456] workqueue: max_active 18885 requested for btrfs-rmw is out of range, clamping between 1 and 512 [ 48.259723][ T4456] workqueue: max_active 18885 requested for btrfs-endio-write is out of range, clamping between 1 and 512 [ 48.264024][ T4456] workqueue: max_active 18885 requested for btrfs-readahead is out of range, clamping between 1 and 512 executing program [ 48.436612][ T4478] loop0: detected capacity change from 0 to 32768 [ 48.519111][ T4478] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz-executor314 (4478) [ 48.560196][ T4478] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 48.562652][ T4478] BTRFS info (device loop0): disabling tree log [ 48.564573][ T4478] BTRFS info (device loop0): doing ref verification [ 48.566428][ T4478] BTRFS info (device loop0): max_inline at 0 [ 48.568083][ T4478] BTRFS warning (device loop0): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 48.571524][ T4478] BTRFS info (device loop0): trying to use backup root at mount time [ 48.573729][ T4478] BTRFS info (device loop0): turning on sync discard [ 48.575585][ T4478] BTRFS info (device loop0): using free space tree [ 48.577352][ T4478] BTRFS info (device loop0): has skinny extents [ 48.579514][ T4478] workqueue: max_active 18885 requested for btrfs-worker is out of range, clamping between 1 and 512 [ 48.583014][ T4478] workqueue: max_active 18885 requested for btrfs-worker-high is out of range, clamping between 1 and 512 [ 48.586483][ T4478] workqueue: max_active 18885 requested for btrfs-delalloc is out of range, clamping between 1 and 512 [ 48.591158][ T4478] workqueue: max_active 18885 requested for btrfs-endio is out of range, clamping between 1 and 512 [ 48.594593][ T4478] workqueue: max_active 18885 requested for btrfs-endio-meta is out of range, clamping between 1 and 512 [ 48.598153][ T4478] workqueue: max_active 18885 requested for btrfs-endio-meta-write is out of range, clamping between 1 and 512 [ 48.602274][ T4478] workqueue: max_active 18885 requested for btrfs-endio-raid56 is out of range, clamping between 1 and 512 [ 48.605904][ T4478] workqueue: max_active 18885 requested for btrfs-rmw is out of range, clamping between 1 and 512 [ 48.609499][ T4478] workqueue: max_active 18885 requested for btrfs-endio-write is out of range, clamping between 1 and 512 [ 48.613757][ T4478] workqueue: max_active 18885 requested for btrfs-readahead is out of range, clamping between 1 and 512 executing program [ 48.673230][ T4025] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 10 /dev/loop0 scanned by udevd (4025) [ 48.784808][ T4498] loop0: detected capacity change from 0 to 32768 [ 48.920030][ T4498] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 48.922631][ T4498] BTRFS info (device loop0): disabling tree log [ 48.924516][ T4498] BTRFS info (device loop0): doing ref verification [ 48.926279][ T4498] BTRFS info (device loop0): max_inline at 0 [ 48.927921][ T4498] BTRFS warning (device loop0): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 48.930887][ T4498] BTRFS info (device loop0): trying to use backup root at mount time [ 48.933288][ T4498] BTRFS info (device loop0): turning on sync discard [ 48.935219][ T4498] BTRFS info (device loop0): using free space tree [ 48.937072][ T4498] BTRFS info (device loop0): has skinny extents [ 48.938987][ T4498] workqueue: max_active 18885 requested for btrfs-worker is out of range, clamping between 1 and 512 [ 48.942426][ T4498] workqueue: max_active 18885 requested for btrfs-worker-high is out of range, clamping between 1 and 512 [ 48.946424][ T4498] workqueue: max_active 18885 requested for btrfs-delalloc is out of range, clamping between 1 and 512 [ 48.950915][ T4498] workqueue: max_active 18885 requested for btrfs-endio is out of range, clamping between 1 and 512 [ 48.954379][ T4498] workqueue: max_active 18885 requested for btrfs-endio-meta is out of range, clamping between 1 and 512 [ 48.958032][ T4498] workqueue: max_active 18885 requested for btrfs-endio-meta-write is out of range, clamping between 1 and 512 [ 48.961885][ T4498] workqueue: max_active 18885 requested for btrfs-endio-raid56 is out of range, clamping between 1 and 512 [ 48.965523][ T4498] workqueue: max_active 18885 requested for btrfs-rmw is out of range, clamping between 1 and 512 [ 48.969177][ T4498] workqueue: max_active 18885 requested for btrfs-endio-write is out of range, clamping between 1 and 512 [ 48.973347][ T4498] workqueue: max_active 18885 requested for btrfs-readahead is out of range, clamping between 1 and 512 executing program [ 49.025143][ T4025] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 10 /dev/loop0 scanned by udevd (4025) [ 49.142450][ T4519] loop0: detected capacity change from 0 to 32768 [ 49.270076][ T4519] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 49.272747][ T4519] BTRFS info (device loop0): disabling tree log [ 49.274524][ T4519] BTRFS info (device loop0): doing ref verification [ 49.276341][ T4519] BTRFS info (device loop0): max_inline at 0 [ 49.277950][ T4519] BTRFS warning (device loop0): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 49.281324][ T4519] BTRFS info (device loop0): trying to use backup root at mount time [ 49.283513][ T4519] BTRFS info (device loop0): turning on sync discard [ 49.285372][ T4519] BTRFS info (device loop0): using free space tree [ 49.287093][ T4519] BTRFS info (device loop0): has skinny extents [ 49.289172][ T4519] workqueue: max_active 18885 requested for btrfs-worker is out of range, clamping between 1 and 512 [ 49.292417][ T4519] workqueue: max_active 18885 requested for btrfs-worker-high is out of range, clamping between 1 and 512 [ 49.295793][ T4519] workqueue: max_active 18885 requested for btrfs-delalloc is out of range, clamping between 1 and 512 [ 49.300363][ T4519] workqueue: max_active 18885 requested for btrfs-endio is out of range, clamping between 1 and 512 [ 49.303770][ T4519] workqueue: max_active 18885 requested for btrfs-endio-meta is out of range, clamping between 1 and 512 [ 49.307265][ T4519] workqueue: max_active 18885 requested for btrfs-endio-meta-write is out of range, clamping between 1 and 512 [ 49.311287][ T4519] workqueue: max_active 18885 requested for btrfs-endio-raid56 is out of range, clamping between 1 and 512 [ 49.314789][ T4519] workqueue: max_active 18885 requested for btrfs-rmw is out of range, clamping between 1 and 512 [ 49.318033][ T4519] workqueue: max_active 18885 requested for btrfs-endio-write is out of range, clamping between 1 and 512 [ 49.322601][ T4519] workqueue: max_active 18885 requested for btrfs-readahead is out of range, clamping between 1 and 512 executing program [ 49.372680][ T4025] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 10 /dev/loop0 scanned by udevd (4025) [ 49.494032][ T4540] loop0: detected capacity change from 0 to 32768 [ 49.611461][ T4540] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 49.613991][ T4540] BTRFS info (device loop0): disabling tree log [ 49.615759][ T4540] BTRFS info (device loop0): doing ref verification [ 49.617572][ T4540] BTRFS info (device loop0): max_inline at 0 [ 49.619613][ T4540] BTRFS warning (device loop0): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 49.622511][ T4540] BTRFS info (device loop0): trying to use backup root at mount time [ 49.624772][ T4540] BTRFS info (device loop0): turning on sync discard [ 49.626639][ T4540] BTRFS info (device loop0): using free space tree [ 49.628451][ T4540] BTRFS info (device loop0): has skinny extents [ 49.630657][ T4540] workqueue: max_active 18885 requested for btrfs-worker is out of range, clamping between 1 and 512 [ 49.634073][ T4540] workqueue: max_active 18885 requested for btrfs-worker-high is out of range, clamping between 1 and 512 [ 49.637701][ T4540] workqueue: max_active 18885 requested for btrfs-delalloc is out of range, clamping between 1 and 512 [ 49.642744][ T4540] workqueue: max_active 18885 requested for btrfs-endio is out of range, clamping between 1 and 512 [ 49.646267][ T4540] workqueue: max_active 18885 requested for btrfs-endio-meta is out of range, clamping between 1 and 512 [ 49.650160][ T4540] workqueue: max_active 18885 requested for btrfs-endio-meta-write is out of range, clamping between 1 and 512 [ 49.653812][ T4540] workqueue: max_active 18885 requested for btrfs-endio-raid56 is out of range, clamping between 1 and 512 [ 49.657486][ T4540] workqueue: max_active 18885 requested for btrfs-rmw is out of range, clamping between 1 and 512 [ 49.661307][ T4540] workqueue: max_active 18885 requested for btrfs-endio-write is out of range, clamping between 1 and 512 [ 49.665486][ T4540] workqueue: max_active 18885 requested for btrfs-readahead is out of range, clamping between 1 and 512 executing program [ 49.714392][ T4025] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 10 /dev/loop0 scanned by udevd (4025) [ 49.834588][ T4562] loop0: detected capacity change from 0 to 32768 [ 49.871194][ T4562] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 49.873604][ T4562] BTRFS info (device loop0): disabling tree log [ 49.875313][ T4562] BTRFS info (device loop0): doing ref verification [ 49.877133][ T4562] BTRFS info (device loop0): max_inline at 0 [ 49.878965][ T4562] BTRFS warning (device loop0): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 49.881907][ T4562] BTRFS info (device loop0): trying to use backup root at mount time [ 49.885018][ T4562] BTRFS info (device loop0): turning on sync discard [ 49.886878][ T4562] BTRFS info (device loop0): using free space tree [ 49.888603][ T4562] BTRFS info (device loop0): has skinny extents [ 49.890454][ T4562] workqueue: max_active 18885 requested for btrfs-worker is out of range, clamping between 1 and 512 [ 49.893721][ T4562] workqueue: max_active 18885 requested for btrfs-worker-high is out of range, clamping between 1 and 512 [ 49.897238][ T4562] workqueue: max_active 18885 requested for btrfs-delalloc is out of range, clamping between 1 and 512 [ 49.901643][ T4562] workqueue: max_active 18885 requested for btrfs-endio is out of range, clamping between 1 and 512 [ 49.905031][ T4562] workqueue: max_active 18885 requested for btrfs-endio-meta is out of range, clamping between 1 and 512 [ 49.908453][ T4562] workqueue: max_active 18885 requested for btrfs-endio-meta-write is out of range, clamping between 1 and 512 [ 49.912322][ T4562] workqueue: max_active 18885 requested for btrfs-endio-raid56 is out of range, clamping between 1 and 512 [ 49.915801][ T4562] workqueue: max_active 18885 requested for btrfs-rmw is out of range, clamping between 1 and 512 [ 49.919086][ T4562] workqueue: max_active 18885 requested for btrfs-endio-write is out of range, clamping between 1 and 512 [ 49.923151][ T4562] workqueue: max_active 18885 requested for btrfs-readahead is out of range, clamping between 1 and 512 executing program [ 49.991808][ T4025] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 10 /dev/loop0 scanned by udevd (4025) [ 50.095789][ T4583] loop0: detected capacity change from 0 to 32768 [ 50.219997][ T4583] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 50.222818][ T4583] BTRFS info (device loop0): disabling tree log [ 50.224588][ T4583] BTRFS info (device loop0): doing ref verification [ 50.226418][ T4583] BTRFS info (device loop0): max_inline at 0 [ 50.228011][ T4583] BTRFS warning (device loop0): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 50.231414][ T4583] BTRFS info (device loop0): trying to use backup root at mount time [ 50.233758][ T4583] BTRFS info (device loop0): turning on sync discard [ 50.235530][ T4583] BTRFS info (device loop0): using free space tree [ 50.237278][ T4583] BTRFS info (device loop0): has skinny extents [ 50.239367][ T4583] workqueue: max_active 18885 requested for btrfs-worker is out of range, clamping between 1 and 512 [ 50.242579][ T4583] workqueue: max_active 18885 requested for btrfs-worker-high is out of range, clamping between 1 and 512 [ 50.246367][ T4583] workqueue: max_active 18885 requested for btrfs-delalloc is out of range, clamping between 1 and 512 [ 50.251243][ T4583] workqueue: max_active 18885 requested for btrfs-endio is out of range, clamping between 1 and 512 [ 50.254631][ T4583] workqueue: max_active 18885 requested for btrfs-endio-meta is out of range, clamping between 1 and 512 [ 50.258330][ T4583] workqueue: max_active 18885 requested for btrfs-endio-meta-write is out of range, clamping between 1 and 512 [ 50.262344][ T4583] workqueue: max_active 18885 requested for btrfs-endio-raid56 is out of range, clamping between 1 and 512 [ 50.265903][ T4583] workqueue: max_active 18885 requested for btrfs-rmw is out of range, clamping between 1 and 512 [ 50.269561][ T4583] workqueue: max_active 18885 requested for btrfs-endio-write is out of range, clamping between 1 and 512 [ 50.273765][ T4583] workqueue: max_active 18885 requested for btrfs-readahead is out of range, clamping between 1 and 512 [ 50.322178][ T4025] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 10 /dev/loop0 scanned by udevd (4025) executing program [ 50.446363][ T4605] loop0: detected capacity change from 0 to 32768 [ 50.570153][ T4605] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 50.572910][ T4605] BTRFS info (device loop0): disabling tree log [ 50.574606][ T4605] BTRFS info (device loop0): doing ref verification [ 50.576450][ T4605] BTRFS info (device loop0): max_inline at 0 [ 50.578215][ T4605] BTRFS warning (device loop0): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 50.581980][ T4605] BTRFS info (device loop0): trying to use backup root at mount time [ 50.584339][ T4605] BTRFS info (device loop0): turning on sync discard [ 50.586631][ T4605] BTRFS info (device loop0): using free space tree [ 50.588379][ T4605] BTRFS info (device loop0): has skinny extents [ 50.590517][ T4605] workqueue: max_active 18885 requested for btrfs-worker is out of range, clamping between 1 and 512 [ 50.593902][ T4605] workqueue: max_active 18885 requested for btrfs-worker-high is out of range, clamping between 1 and 512 [ 50.597518][ T4605] workqueue: max_active 18885 requested for btrfs-delalloc is out of range, clamping between 1 and 512 [ 50.602301][ T4605] workqueue: max_active 18885 requested for btrfs-endio is out of range, clamping between 1 and 512 [ 50.605627][ T4605] workqueue: max_active 18885 requested for btrfs-endio-meta is out of range, clamping between 1 and 512 [ 50.609475][ T4605] workqueue: max_active 18885 requested for btrfs-endio-meta-write is out of range, clamping between 1 and 512 [ 50.613584][ T4605] workqueue: max_active 18885 requested for btrfs-endio-raid56 is out of range, clamping between 1 and 512 [ 50.617200][ T4605] workqueue: max_active 18885 requested for btrfs-rmw is out of range, clamping between 1 and 512 [ 50.621208][ T4605] workqueue: max_active 18885 requested for btrfs-endio-write is out of range, clamping between 1 and 512 [ 50.625433][ T4605] workqueue: max_active 18885 requested for btrfs-readahead is out of range, clamping between 1 and 512 [ 50.672311][ T4025] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 10 /dev/loop0 scanned by udevd (4025) executing program [ 50.809875][ T4626] loop0: detected capacity change from 0 to 32768 [ 50.960313][ T4626] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 50.962880][ T4626] BTRFS info (device loop0): disabling tree log [ 50.964736][ T4626] BTRFS info (device loop0): doing ref verification [ 50.966620][ T4626] BTRFS info (device loop0): max_inline at 0 [ 50.968257][ T4626] BTRFS warning (device loop0): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 50.971677][ T4626] BTRFS info (device loop0): trying to use backup root at mount time [ 50.974194][ T4626] BTRFS info (device loop0): turning on sync discard [ 50.976122][ T4626] BTRFS info (device loop0): using free space tree [ 50.978045][ T4626] BTRFS info (device loop0): has skinny extents [ 50.980270][ T4626] workqueue: max_active 18885 requested for btrfs-worker is out of range, clamping between 1 and 512 [ 50.983943][ T4626] workqueue: max_active 18885 requested for btrfs-worker-high is out of range, clamping between 1 and 512 [ 50.987639][ T4626] workqueue: max_active 18885 requested for btrfs-delalloc is out of range, clamping between 1 and 512 [ 50.993934][ T4626] workqueue: max_active 18885 requested for btrfs-endio is out of range, clamping between 1 and 512 [ 50.997340][ T4626] workqueue: max_active 18885 requested for btrfs-endio-meta is out of range, clamping between 1 and 512 [ 51.001005][ T4626] workqueue: max_active 18885 requested for btrfs-endio-meta-write is out of range, clamping between 1 and 512 [ 51.004635][ T4626] workqueue: max_active 18885 requested for btrfs-endio-raid56 is out of range, clamping between 1 and 512 [ 51.008173][ T4626] workqueue: max_active 18885 requested for btrfs-rmw is out of range, clamping between 1 and 512 [ 51.012105][ T4626] workqueue: max_active 18885 requested for btrfs-endio-write is out of range, clamping between 1 and 512 [ 51.016429][ T4626] workqueue: max_active 18885 requested for btrfs-readahead is out of range, clamping between 1 and 512 [ 51.060288][ T4025] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 10 /dev/loop0 scanned by udevd (4025) executing program [ 51.184081][ T4648] loop0: detected capacity change from 0 to 32768 [ 51.233807][ T4648] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 51.236307][ T4648] BTRFS info (device loop0): disabling tree log [ 51.238068][ T4648] BTRFS info (device loop0): doing ref verification [ 51.240001][ T4648] BTRFS info (device loop0): max_inline at 0 [ 51.241648][ T4648] BTRFS warning (device loop0): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 51.244555][ T4648] workqueue: max_active 18885 requested for btrfs-worker is out of range, clamping between 1 and 512 [ 51.248313][ T4648] workqueue: max_active 18885 requested for btrfs-worker-high is out of range, clamping between 1 and 512 [ 51.251964][ T4648] workqueue: max_active 18885 requested for btrfs-delalloc is out of range, clamping between 1 and 512 [ 51.257261][ T4648] workqueue: max_active 18885 requested for btrfs-endio is out of range, clamping between 1 and 512 [ 51.260699][ T4648] workqueue: max_active 18885 requested for btrfs-endio-meta is out of range, clamping between 1 and 512 [ 51.264205][ T4648] workqueue: max_active 18885 requested for btrfs-endio-meta-write is out of range, clamping between 1 and 512 [ 51.267904][ T4648] workqueue: max_active 18885 requested for btrfs-endio-raid56 is out of range, clamping between 1 and 512 [ 51.271819][ T4648] workqueue: max_active 18885 requested for btrfs-rmw is out of range, clamping between 1 and 512 [ 51.275142][ T4648] workqueue: max_active 18885 requested for btrfs-endio-write is out of range, clamping between 1 and 512 [ 51.279349][ T4648] workqueue: max_active 18885 requested for btrfs-readahead is out of range, clamping between 1 and 512 executing program [ 51.339478][ T4025] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 10 /dev/loop0 scanned by udevd (4025) [ 51.460314][ T4669] loop0: detected capacity change from 0 to 32768 [ 51.590191][ T4669] BTRFS warning (device loop0): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 51.593515][ T4669] workqueue: max_active 18885 requested for btrfs-worker is out of range, clamping between 1 and 512 [ 51.596946][ T4669] workqueue: max_active 18885 requested for btrfs-worker-high is out of range, clamping between 1 and 512 [ 51.600380][ T4669] workqueue: max_active 18885 requested for btrfs-delalloc is out of range, clamping between 1 and 512 [ 51.604793][ T4669] workqueue: max_active 18885 requested for btrfs-endio is out of range, clamping between 1 and 512 [ 51.608193][ T4669] workqueue: max_active 18885 requested for btrfs-endio-meta is out of range, clamping between 1 and 512 [ 51.611752][ T4669] workqueue: max_active 18885 requested for btrfs-endio-meta-write is out of range, clamping between 1 and 512 [ 51.615347][ T4669] workqueue: max_active 18885 requested for btrfs-endio-raid56 is out of range, clamping between 1 and 512 [ 51.619165][ T4669] workqueue: max_active 18885 requested for btrfs-rmw is out of range, clamping between 1 and 512 [ 51.622452][ T4669] workqueue: max_active 18885 requested for btrfs-endio-write is out of range, clamping between 1 and 512 [ 51.626587][ T4669] workqueue: max_active 18885 requested for btrfs-readahead is out of range, clamping between 1 and 512 executing program [ 51.790114][ T4691] loop0: detected capacity change from 0 to 32768 [ 51.919281][ T4691] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz-executor314 (4691) [ 51.961308][ T4691] BTRFS warning (device loop0): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 51.964339][ T4691] workqueue: max_active 18885 requested for btrfs-worker is out of range, clamping between 1 and 512 [ 51.967687][ T4691] workqueue: max_active 18885 requested for btrfs-worker-high is out of range, clamping between 1 and 512 [ 51.971198][ T4691] workqueue: max_active 18885 requested for btrfs-delalloc is out of range, clamping between 1 and 512 [ 51.975521][ T4691] workqueue: max_active 18885 requested for btrfs-endio is out of range, clamping between 1 and 512 [ 51.980218][ T4691] workqueue: max_active 18885 requested for btrfs-endio-meta is out of range, clamping between 1 and 512 [ 51.983766][ T4691] workqueue: max_active 18885 requested for btrfs-endio-meta-write is out of range, clamping between 1 and 512 [ 51.987477][ T4691] workqueue: max_active 18885 requested for btrfs-endio-raid56 is out of range, clamping between 1 and 512 [ 51.991060][ T4691] workqueue: max_active 18885 requested for btrfs-rmw is out of range, clamping between 1 and 512 [ 51.994321][ T4691] workqueue: max_active 18885 requested for btrfs-endio-write is out of range, clamping between 1 and 512 [ 51.998311][ T4691] workqueue: max_active 18885 requested for btrfs-readahead is out of range, clamping between 1 and 512 executing program [ 52.160973][ T4711] loop0: detected capacity change from 0 to 32768 [ 52.164033][ T4711] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz-executor314 (4711) [ 52.170533][ T4711] BTRFS warning (device loop0): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 52.173867][ T4711] workqueue: max_active 18885 requested for btrfs-worker is out of range, clamping between 1 and 512 [ 52.177336][ T4711] workqueue: max_active 18885 requested for btrfs-worker-high is out of range, clamping between 1 and 512 [ 52.182861][ T4711] workqueue: max_active 18885 requested for btrfs-delalloc is out of range, clamping between 1 and 512 [ 52.187380][ T4711] workqueue: max_active 18885 requested for btrfs-endio is out of range, clamping between 1 and 512 [ 52.192185][ T4711] workqueue: max_active 18885 requested for btrfs-endio-meta is out of range, clamping between 1 and 512 [ 52.198249][ T4711] workqueue: max_active 18885 requested for btrfs-endio-meta-write is out of range, clamping between 1 and 512 [ 52.202643][ T4711] workqueue: max_active 18885 requested for btrfs-endio-raid56 is out of range, clamping between 1 and 512 [ 52.206402][ T4711] workqueue: max_active 18885 requested for btrfs-rmw is out of range, clamping between 1 and 512 [ 52.210351][ T4711] workqueue: max_active 18885 requested for btrfs-endio-write is out of range, clamping between 1 and 512 [ 52.214643][ T4711] workqueue: max_active 18885 requested for btrfs-readahead is out of range, clamping between 1 and 512