[ 86.596412][ T777] cfg80211: failed to load regulatory.db Warning: Permanently added '[localhost]:38384' (ED25519) to the list of known hosts. executing program [ 139.623076][ T5328] loop0: detected capacity change from 0 to 32768 [ 139.711436][ T5328] bcachefs (loop0): starting version 1.7: mi_btree_bitmap opts=metadata_checksum=none,data_checksum=none,compression=lz4,journal_flush_disabled,norecovery,nojournal_transaction_names,allocator_stuck_timeout=32767,nocow,no_data_io [ 139.720282][ T5328] bcachefs (loop0): recovering from clean shutdown, journal seq 10 [ 139.733045][ T5328] bcachefs (loop0): accounting_read... done [ 139.735618][ T5328] bcachefs (loop0): alloc_read... done [ 139.738334][ T5328] bcachefs (loop0): stripes_read... done [ 139.740618][ T5328] bcachefs (loop0): snapshots_read... done [ 139.752104][ T5328] bcachefs (loop0): going read-write [ 139.763345][ T5328] bcachefs (loop0): done starting filesystem [ 139.778107][ T5328] syz-executor329 (5328) used greatest stack depth: 18784 bytes left executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 286.266245][ T25] INFO: task kworker/0:2:777 blocked for more than 143 seconds. [ 286.269873][ T25] Not tainted 6.12.0-rc7-syzkaller-00012-g3022e9d00ebe #0 [ 286.286305][ T25] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 286.296392][ T25] task:kworker/0:2 state:D stack:17008 pid:777 tgid:777 ppid:2 flags:0x00004000 [ 286.300552][ T25] Workqueue: bcachefs_write_ref bch2_delete_dead_snapshots_work (bcachefs-delete-dead-snapshots/) [ 286.304763][ T25] Call Trace: [ 286.316168][ T25] [ 286.317330][ T25] __schedule+0x184f/0x4c30 [ 286.319012][ T25] ? try_to_wake_up+0x98b/0x14b0 [ 286.320705][ T25] ? __pfx___schedule+0x10/0x10 [ 286.326951][ T25] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 286.329344][ T25] ? __pfx_lock_release+0x10/0x10 [ 286.331343][ T25] ? _raw_spin_unlock_irq+0x23/0x50 [ 286.344108][ T25] ? lockdep_hardirqs_on+0x99/0x150 [ 286.346542][ T25] ? schedule+0x90/0x320 [ 286.348242][ T25] schedule+0x14b/0x320 [ 286.349954][ T25] schedule_timeout+0x1be/0x310 [ 286.351905][ T25] ? __pfx_schedule_timeout+0x10/0x10 [ 286.364673][ T25] ? lock_release+0xbf/0xa30 [ 286.368738][ T25] ? __pfx_process_timeout+0x10/0x10 [ 286.370890][ T25] ? closure_put_after_sub+0x1b0/0x330 [ 286.373072][ T25] __closure_sync_timeout+0x2d8/0x450 [ 286.385836][ T25] ? __pfx_lock_release+0x10/0x10 [ 286.388021][ T25] ? __closure_sync_timeout+0x164/0x450 [ 286.390262][ T25] ? __pfx___closure_sync_timeout+0x10/0x10 [ 286.392630][ T25] ? btree_node_unlock+0x13c/0x270 [ 286.394755][ T25] __bch2_wait_on_allocator+0x11a/0x250 [ 286.406255][ T25] bch2_btree_update_start+0x11a2/0x14e0 [ 286.408422][ T25] ? bch2_btree_split_leaf+0x123/0x840 [ 286.410387][ T25] ? __pfx_bch2_btree_update_start+0x10/0x10 [ 286.412670][ T25] ? bch2_delete_dead_snapshots+0x1d31/0x5ae0 [ 286.414984][ T25] ? run_btree_triggers+0x30f/0x1270 [ 286.426175][ T25] ? __pfx_closure_sync_fn+0x10/0x10 [ 286.436368][ T25] ? __do_six_trylock+0x832/0x9f0 [ 286.438410][ T25] bch2_btree_split_leaf+0x123/0x840 [ 286.441215][ T25] bch2_trans_commit_error+0x212/0x1390 [ 286.443384][ T25] ? bch2_delete_dead_snapshots+0x19b6/0x5ae0 [ 286.445788][ T25] ? six_unlock_ip+0x2ce/0x3e0 [ 286.456149][ T25] ? bch2_trans_unlock_write+0x892/0xce0 [ 286.458381][ T25] ? __pfx_bch2_trans_commit_error+0x10/0x10 [ 286.460781][ T25] ? bch2_trans_unlock_write+0xc2d/0xce0 [ 286.473371][ T25] ? bch2_btree_path_verify_locks+0x633/0x720 [ 286.475762][ T25] ? bch2_trans_verify_locks+0x339/0x3c0 [ 286.478381][ T25] __bch2_trans_commit+0x7ead/0x93c0 [ 286.480406][ T25] ? bch2_snapshot_equiv+0x1f/0x2c0 [ 286.482274][ T25] ? __pfx___bch2_trans_commit+0x10/0x10 [ 286.495048][ T25] ? bch2_btree_delete_at+0x17c/0x230 [ 286.497508][ T25] ? bch2_btree_delete_at+0x17c/0x230 [ 286.499471][ T25] bch2_delete_dead_snapshots+0x19b6/0x5ae0 [ 286.501742][ T25] ? bch2_delete_dead_snapshots+0x2a5/0x5ae0 [ 286.504078][ T25] ? __pfx_bch2_delete_dead_snapshots+0x10/0x10 [ 286.516547][ T25] ? preempt_count_add+0x93/0x190 [ 286.518538][ T25] ? unwind_next_frame+0x193b/0x22d0 [ 286.526009][ T25] ? ret_from_fork_asm+0x1a/0x30 [ 286.528816][ T25] ? __pfx_stack_trace_consume_entry+0x10/0x10 executing program [ 286.537123][ T25] ? arch_stack_walk+0x11c/0x150 [ 286.539126][ T25] ? ret_from_fork_asm+0x1a/0x30 [ 286.540998][ T25] ? stack_trace_save+0x118/0x1d0 [ 286.553145][ T25] ? __pfx_stack_trace_save+0x10/0x10 [ 286.555146][ T25] ? check_noncircular+0x259/0x4a0 [ 286.557229][ T25] ? __pfx_lockdep_unlock+0x10/0x10 [ 286.559227][ T25] ? validate_chain+0x15c0/0x5920 [ 286.561147][ T25] ? bch2_delete_dead_snapshots+0x2a5/0x5ae0 [ 286.573764][ T25] ? __pfx_validate_chain+0x10/0x10 [ 286.575635][ T25] ? bch2_delete_dead_snapshots+0x2a5/0x5ae0 [ 286.578207][ T25] ? __pfx_stack_trace_save+0x10/0x10 [ 286.580065][ T25] ? bch2_delete_dead_snapshots+0x2a5/0x5ae0 [ 286.582198][ T25] ? format_decode+0xc5f/0x1bb0 [ 286.594729][ T25] ? bch2_delete_dead_snapshots+0x16dc/0x5ae0 [ 286.597380][ T25] ? vsnprintf+0x1ccd/0x1da0 [ 286.599259][ T25] ? __pfx_vsnprintf+0x10/0x10 [ 286.600977][ T25] ? set_worker_desc+0x15d/0x1d0 [ 286.602872][ T25] ? __pfx_lock_acquire+0x10/0x10 [ 286.604749][ T25] ? process_scheduled_works+0xa05/0x1850 [ 286.616526][ T25] ? __pfx_set_worker_desc+0x10/0x10 [ 286.626347][ T25] ? process_scheduled_works+0x976/0x1850 [ 286.628487][ T25] bch2_delete_dead_snapshots_work+0x34/0x40 [ 286.630882][ T25] process_scheduled_works+0xa63/0x1850 [ 286.632955][ T25] ? __pfx_process_scheduled_works+0x10/0x10 [ 286.635232][ T25] ? assign_work+0x364/0x3d0 [ 286.641561][ T25] worker_thread+0x870/0xd30 [ 286.643276][ T25] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 286.645439][ T25] ? __kthread_parkme+0x169/0x1d0 [ 286.656294][ T25] ? __pfx_worker_thread+0x10/0x10 [ 286.658223][ T25] kthread+0x2f0/0x390 [ 286.659678][ T25] ? __pfx_worker_thread+0x10/0x10 [ 286.666164][ T25] ? __pfx_kthread+0x10/0x10 [ 286.667986][ T25] ret_from_fork+0x4b/0x80 [ 286.669664][ T25] ? __pfx_kthread+0x10/0x10 [ 286.671428][ T25] ret_from_fork_asm+0x1a/0x30 [ 286.683897][ T25] [ 286.685198][ T25] INFO: task bch-reclaim/loo:5337 blocked for more than 143 seconds. [ 286.687967][ T25] Not tainted 6.12.0-rc7-syzkaller-00012-g3022e9d00ebe #0 [ 286.690725][ T25] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 286.693841][ T25] task:bch-reclaim/loo state:D stack:22768 pid:5337 tgid:5337 ppid:2 flags:0x00004000 [ 286.708838][ T25] Call Trace: [ 286.710099][ T25] [ 286.711170][ T25] __schedule+0x184f/0x4c30 [ 286.712976][ T25] ? __pfx___schedule+0x10/0x10 [ 286.714991][ T25] ? __pfx_lock_release+0x10/0x10 [ 286.726138][ T25] ? __asan_memset+0x23/0x50 [ 286.727918][ T25] ? __pfx_lockdep_init_map_type+0x10/0x10 [ 286.736464][ T25] ? schedule+0x90/0x320 [ 286.738057][ T25] schedule+0x14b/0x320 [ 286.739528][ T25] schedule_timeout+0x1be/0x310 [ 286.748290][ T25] ? __pfx_schedule_timeout+0x10/0x10 [ 286.750357][ T25] ? lock_release+0xbf/0xa30 [ 286.756432][ T25] ? __pfx_process_timeout+0x10/0x10 [ 286.758501][ T25] ? closure_put_after_sub+0x1b0/0x330 [ 286.760555][ T25] __closure_sync_timeout+0x2d8/0x450 [ 286.766860][ T25] ? __pfx_lock_release+0x10/0x10 [ 286.768801][ T25] ? __closure_sync_timeout+0x164/0x450 [ 286.770949][ T25] ? __pfx___closure_sync_timeout+0x10/0x10 [ 286.783371][ T25] ? btree_node_unlock+0x13c/0x270 [ 286.785365][ T25] __bch2_wait_on_allocator+0x11a/0x250 [ 286.793528][ T25] bch2_btree_update_start+0x11a2/0x14e0 [ 286.795556][ T25] ? bch2_btree_split_leaf+0x123/0x840 [ 286.797787][ T25] ? __pfx_bch2_btree_update_start+0x10/0x10 [ 286.799748][ T25] ? bch2_btree_write_buffer_flush_locked+0x4eb9/0x59f0 [ 286.802104][ T25] ? __pfx_closure_sync_fn+0x10/0x10 [ 286.814726][ T25] ? __do_six_trylock+0x832/0x9f0 [ 286.817342][ T25] bch2_btree_split_leaf+0x123/0x840 [ 286.820189][ T25] bch2_trans_commit_error+0x212/0x1390 [ 286.822343][ T25] ? bch2_btree_write_buffer_flush_locked+0x4f03/0x59f0 [ 286.826017][ T25] ? six_unlock_ip+0x2ce/0x3e0 [ 286.835354][ T25] ? bch2_trans_unlock_write+0x892/0xce0 [ 286.837928][ T25] ? __pfx_bch2_trans_commit_error+0x10/0x10 [ 286.840173][ T25] ? bch2_trans_unlock_write+0xc2d/0xce0 [ 286.842293][ T25] ? bch2_btree_path_verify_locks+0x633/0x720 [ 286.844592][ T25] ? bch2_trans_verify_locks+0x339/0x3c0 [ 286.856600][ T25] __bch2_trans_commit+0x7ead/0x93c0 [ 286.866409][ T25] ? bch2_path_put+0x1a4/0x2150 [ 286.868384][ T25] ? __pfx___bch2_trans_commit+0x10/0x10 [ 286.870676][ T25] ? __asan_memset+0x23/0x50 [ 286.872455][ T25] bch2_btree_write_buffer_flush_locked+0x4f03/0x59f0 [ 286.874968][ T25] ? __pfx_bch2_btree_write_buffer_flush_locked+0x10/0x10 [ 286.886160][ T25] ? __mutex_trylock_common+0x183/0x2e0 [ 286.888498][ T25] ? __pfx___might_resched+0x10/0x10 [ 286.890547][ T25] ? bch2_btree_write_buffer_flush_locked+0x4e1c/0x59f0 [ 286.903541][ T25] ? rcu_is_watching+0x15/0xb0 [ 286.905460][ T25] ? __mutex_lock+0x2ef/0xd70 [ 286.907876][ T25] ? __bch2_next_write_buffer_flush_journal_buf+0x287/0x2a0 [ 286.910679][ T25] ? bch2_btree_write_buffer_flush_locked+0x1501/0x59f0 [ 286.913271][ T25] ? __pfx___mutex_lock+0x10/0x10 [ 286.919470][ T25] ? bch2_trans_unlock+0x3a6/0x470 [ 286.921439][ T25] btree_write_buffer_flush_seq+0x1a43/0x1bc0 [ 286.923758][ T25] ? __pfx_lock_acquire+0x10/0x10 [ 286.925639][ T25] ? __asan_memset+0x23/0x50 executing program [ 286.936193][ T25] ? lockdep_init_map_type+0xa1/0x910 [ 286.938271][ T25] ? __pfx_btree_write_buffer_flush_seq+0x10/0x10 [ 286.946232][ T25] ? __pfx_lockdep_init_map_type+0x10/0x10 [ 286.948489][ T25] ? journal_flush_pins+0x597/0xb20 [ 286.950445][ T25] ? __pfx_lock_release+0x10/0x10 [ 286.956205][ T25] ? __bch2_trans_get+0x975/0xd20 [ 286.958078][ T25] bch2_btree_write_buffer_journal_flush+0x4e/0x80 [ 286.960507][ T25] ? __pfx_bch2_btree_write_buffer_journal_flush+0x10/0x10 [ 286.973439][ T25] journal_flush_pins+0x5f7/0xb20 [ 286.975362][ T25] __bch2_journal_reclaim+0x789/0xdc0 [ 286.977700][ T25] bch2_journal_reclaim_thread+0x174/0x560 [ 286.979766][ T25] ? bch2_journal_reclaim_thread+0x249/0x560 [ 286.981604][ T25] ? __pfx_bch2_journal_reclaim_thread+0x10/0x10 [ 286.996196][ T25] kthread+0x2f0/0x390 [ 286.997801][ T25] ? __pfx_bch2_journal_reclaim_thread+0x10/0x10 [ 287.000299][ T25] ? __pfx_kthread+0x10/0x10 [ 287.002078][ T25] ret_from_fork+0x4b/0x80 [ 287.003770][ T25] ? __pfx_kthread+0x10/0x10 [ 287.005543][ T25] ret_from_fork_asm+0x1a/0x30 [ 287.016647][ T25] [ 287.018040][ T25] INFO: task bch-copygc/loop:5338 blocked for more than 144 seconds. [ 287.020966][ T25] Not tainted 6.12.0-rc7-syzkaller-00012-g3022e9d00ebe #0 [ 287.023872][ T25] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 287.037381][ T25] task:bch-copygc/loop state:D stack:20112 pid:5338 tgid:5338 ppid:2 flags:0x00004000 [ 287.046307][ T25] Call Trace: [ 287.047459][ T25] [ 287.048311][ T25] __schedule+0x184f/0x4c30 [ 287.049627][ T25] ? __pfx___schedule+0x10/0x10 [ 287.056676][ T25] ? __pfx_lock_release+0x10/0x10 [ 287.058774][ T25] ? __asan_memset+0x23/0x50 [ 287.060690][ T25] ? __pfx_lockdep_init_map_type+0x10/0x10 [ 287.073220][ T25] ? bch2_alloc_sectors_start_trans+0x123a/0x2030 [ 287.075636][ T25] ? schedule+0x90/0x320 [ 287.077587][ T25] schedule+0x14b/0x320 [ 287.079157][ T25] schedule_timeout+0x1be/0x310 [ 287.081131][ T25] ? __pfx_schedule_timeout+0x10/0x10 [ 287.083183][ T25] ? __pfx_process_timeout+0x10/0x10 [ 287.095848][ T25] ? closure_return_sync+0x203/0x420 [ 287.098410][ T25] ? closure_put_after_sub+0x1b0/0x330 [ 287.100537][ T25] __closure_sync_timeout+0x2d8/0x450 [ 287.102639][ T25] ? __closure_sync_timeout+0x164/0x450 [ 287.104692][ T25] ? __pfx___closure_sync_timeout+0x10/0x10 [ 287.116208][ T25] ? bch2_trans_put+0x95f/0xf00 [ 287.118133][ T25] __bch2_wait_on_allocator+0x11a/0x250 [ 287.120192][ T25] __bch2_write+0x562a/0x5dd0 [ 287.121927][ T25] ? __pfx___might_resched+0x10/0x10 [ 287.123807][ T25] ? __pfx___bch2_write+0x10/0x10 [ 287.125654][ T25] ? bch2_trans_begin+0x9c5/0x1c00 [ 287.146194][ T25] ? bch2_trans_begin+0x16c1/0x1c00 [ 287.148419][ T25] ? bch2_copygc+0x87b/0x4ca0 [ 287.150216][ T25] ? bch2_path_put+0xfd7/0x2150 [ 287.152051][ T25] ? validate_chain+0x11e/0x5920 [ 287.153805][ T25] ? bch2_copygc+0x2dfb/0x4ca0 [ 287.155507][ T25] ? kfree+0x4e/0x440 [ 287.166116][ T25] ? __asan_memset+0x23/0x50 [ 287.167820][ T25] bch2_write+0x9b5/0x1760 [ 287.169630][ T25] ? __pfx_validate_chain+0x10/0x10 [ 287.171552][ T25] ? __pfx_bch2_write+0x10/0x10 [ 287.173263][ T25] ? bch2_trans_srcu_unlock+0x43b/0x5b0 [ 287.175293][ T25] ? bch2_data_update_read_done+0xfd/0x330 [ 287.186170][ T25] bch2_data_update_read_done+0x22e/0x330 [ 287.188581][ T25] ? __pfx_bch2_data_update_read_done+0x10/0x10 [ 287.196452][ T25] ? bch2_trans_srcu_unlock+0x44a/0x5b0 [ 287.198659][ T25] bch2_moving_ctxt_do_pending_writes+0x44c/0x8d0 [ 287.201180][ T25] ? __pfx_bch2_moving_ctxt_do_pending_writes+0x10/0x10 [ 287.206849][ T25] move_buckets_wait+0x182/0x1290 [ 287.208791][ T25] ? __pfx_move_buckets_wait+0x10/0x10 [ 287.210765][ T25] ? bch2_get_next_online_dev+0x2b/0x4f0 [ 287.212974][ T25] ? bch2_get_next_online_dev+0x4b9/0x4f0 [ 287.225014][ T25] ? bch2_get_next_online_dev+0x2b/0x4f0 [ 287.234848][ T25] bch2_copygc_thread+0x83f/0xc20 [ 287.237178][ T25] ? __pfx_bch2_copygc_thread+0x10/0x10 [ 287.240362][ T25] ? bch2_copygc_thread+0x1a2/0xc20 [ 287.242246][ T25] ? _raw_spin_unlock_irqrestore+0x8f/0x140 [ 287.244378][ T25] ? lockdep_hardirqs_on+0x99/0x150 [ 287.256216][ T25] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 287.258473][ T25] ? __kthread_parkme+0x169/0x1d0 [ 287.260337][ T25] ? __pfx_bch2_copygc_thread+0x10/0x10 [ 287.262345][ T25] kthread+0x2f0/0x390 [ 287.263986][ T25] ? __pfx_bch2_copygc_thread+0x10/0x10 [ 287.265976][ T25] ? __pfx_kthread+0x10/0x10 [ 287.276237][ T25] ret_from_fork+0x4b/0x80 [ 287.278035][ T25] ? __pfx_kthread+0x10/0x10 [ 287.286149][ T25] ret_from_fork_asm+0x1a/0x30 [ 287.287915][ T25] [ 287.289498][ T25] [ 287.289498][ T25] Showing all locks held in the system: [ 287.296248][ T25] 1 lock held by khungtaskd/25: [ 287.297998][ T25] #0: ffffffff8e937da0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0 [ 287.301891][ T25] 4 locks held by kworker/0:2/777: [ 287.313164][ T25] #0: ffff888043016d48 ((wq_completion)bcachefs_write_ref){+.+.}-{0:0}, at: process_scheduled_works+0x93b/0x1850 executing program [ 287.333892][ T25] #1: ffffc90001857d00 ((work_completion)(&c->snapshot_delete_work)){+.+.}-{0:0}, at: process_scheduled_works+0x976/0x1850 [ 287.338703][ T25] #2: ffff888048c84398 (&c->btree_trans_barrier){.+.+}-{0:0}, at: bch2_trans_srcu_lock+0x97/0x1a0 [ 287.342512][ T25] #3: ffff888048ca66d0 (&c->gc_lock){.+.+}-{3:3}, at: bch2_btree_update_start+0x682/0x14e0 [ 287.356724][ T25] 2 locks held by getty/5110: [ 287.358441][ T25] #0: ffff88801e1d90a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 [ 287.361922][ T25] #1: ffffc9000039b2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6a6/0x1e00 [ 287.365522][ T25] 4 locks held by bch-reclaim/loo/5337: [ 287.376568][ T25] #0: ffff888048ccb0a8 (&j->reclaim_lock){+.+.}-{3:3}, at: bch2_journal_reclaim_thread+0x167/0x560 [ 287.386410][ T25] #1: ffff888048c84398 (&c->btree_trans_barrier){.+.+}-{0:0}, at: __bch2_trans_get+0x7de/0xd20 [ 287.390137][ T25] #2: ffff888048c84740 (&wb->flushing.lock){+.+.}-{3:3}, at: btree_write_buffer_flush_seq+0x1a39/0x1bc0 [ 287.404219][ T25] #3: ffff888048ca66d0 (&c->gc_lock){.+.+}-{3:3}, at: bch2_btree_update_start+0x682/0x14e0 [ 287.408279][ T25] 2 locks held by syz-executor329/6074: [ 287.414374][ T25] [ 287.415283][ T25] ============================================= [ 287.415283][ T25] [ 287.424513][ T25] NMI backtrace for cpu 0 [ 287.426018][ T25] CPU: 0 UID: 0 PID: 25 Comm: khungtaskd Not tainted 6.12.0-rc7-syzkaller-00012-g3022e9d00ebe #0 [ 287.429339][ T25] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 287.433006][ T25] Call Trace: [ 287.434242][ T25] [ 287.435318][ T25] dump_stack_lvl+0x241/0x360 [ 287.436904][ T25] ? __pfx_dump_stack_lvl+0x10/0x10 [ 287.438800][ T25] ? __pfx__printk+0x10/0x10 [ 287.440467][ T25] nmi_cpu_backtrace+0x49c/0x4d0 [ 287.442167][ T25] ? __pfx_nmi_cpu_backtrace+0x10/0x10 [ 287.444148][ T25] ? _printk+0xd5/0x120 [ 287.445656][ T25] ? __pfx__printk+0x10/0x10 [ 287.447371][ T25] ? __wake_up_klogd+0xcc/0x110 [ 287.449133][ T25] ? __pfx__printk+0x10/0x10 [ 287.450553][ T25] ? __rcu_read_unlock+0xa1/0x110 [ 287.452312][ T25] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10 [ 287.454358][ T25] nmi_trigger_cpumask_backtrace+0x198/0x320 [ 287.456536][ T25] watchdog+0xff4/0x1040 [ 287.458106][ T25] ? watchdog+0x1ea/0x1040 [ 287.459578][ T25] ? __pfx_watchdog+0x10/0x10 [ 287.461294][ T25] kthread+0x2f0/0x390 [ 287.462742][ T25] ? __pfx_watchdog+0x10/0x10 [ 287.464493][ T25] ? __pfx_kthread+0x10/0x10 [ 287.466175][ T25] ret_from_fork+0x4b/0x80 [ 287.467851][ T25] ? __pfx_kthread+0x10/0x10 [ 287.469395][ T25] ret_from_fork_asm+0x1a/0x30 [ 287.471170][ T25] [ 287.526188][ T25] Kernel panic - not syncing: hung_task: blocked tasks [ 287.528737][ T25] CPU: 0 UID: 0 PID: 25 Comm: khungtaskd Not tainted 6.12.0-rc7-syzkaller-00012-g3022e9d00ebe #0 [ 287.532585][ T25] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 287.536472][ T25] Call Trace: [ 287.537732][ T25] [ 287.538842][ T25] dump_stack_lvl+0x241/0x360 [ 287.540638][ T25] ? __pfx_dump_stack_lvl+0x10/0x10 [ 287.542565][ T25] ? __pfx__printk+0x10/0x10 [ 287.544517][ T25] ? nmi_cpu_backtrace+0x42e/0x4d0 [ 287.546388][ T25] ? vscnprintf+0x5d/0x90 [ 287.547802][ T25] panic+0x349/0x880 [ 287.549079][ T25] ? nmi_trigger_cpumask_backtrace+0x244/0x320 [ 287.551083][ T25] ? __pfx_panic+0x10/0x10 [ 287.552744][ T25] ? tick_nohz_tick_stopped+0x82/0xb0 [ 287.554786][ T25] ? __irq_work_queue_local+0x137/0x410 [ 287.556867][ T25] ? preempt_schedule_thunk+0x1a/0x30 [ 287.558768][ T25] ? nmi_trigger_cpumask_backtrace+0x244/0x320 [ 287.560987][ T25] ? nmi_trigger_cpumask_backtrace+0x2d4/0x320 [ 287.563100][ T25] ? nmi_trigger_cpumask_backtrace+0x2d9/0x320 [ 287.564996][ T25] watchdog+0x1033/0x1040 [ 287.566503][ T25] ? watchdog+0x1ea/0x1040 [ 287.568043][ T25] ? __pfx_watchdog+0x10/0x10 [ 287.569635][ T25] kthread+0x2f0/0x390 [ 287.571160][ T25] ? __pfx_watchdog+0x10/0x10 [ 287.572916][ T25] ? __pfx_kthread+0x10/0x10 [ 287.574653][ T25] ret_from_fork+0x4b/0x80 [ 287.576339][ T25] ? __pfx_kthread+0x10/0x10 [ 287.577803][ T25] ret_from_fork_asm+0x1a/0x30 [ 287.579362][ T25] [ 287.580701][ T25] Kernel Offset: disabled [ 287.582220][ T25] Rebooting in 86400 seconds.. VM DIAGNOSIS: 04:45:22 Registers: info registers vcpu 0 CPU#0 RAX=0000000000000074 RBX=ffffffff9a719ec0 RCX=0000000000000000 RDX=00000000000003f8 RSI=0000000000000000 RDI=0000000000000020 RBP=0000000000000000 RSP=ffffc900004bf770 R8 =ffffffff854b056b R9 =1ffff11006792046 R10=dffffc0000000000 R11=ffffffff854b0520 R12=dffffc0000000000 R13=ffffffff9a414f06 R14=0000000000000074 R15=00000000000003f8 RIP=ffffffff854b059e RFL=00000002 [-------] CPL=0 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 ffffffff 00c00000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 ffffffff 00c00000 FS =0000 0000000000000000 ffffffff 00c00000 GS =0000 ffff88801fc00000 ffffffff 00c00000 LDT=0000 0000000000000000 ffffffff 00c00000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fc3bedff000 CR3=0000000043ba0000 CR4=00352ef0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000fffe0ff0 DR7=0000000000000400 EFER=0000000000000d01 FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80 FPR0=0000000000000000 0000 FPR1=0000000000000000 0000 FPR2=0000000000000000 0000 FPR3=0000000000000000 0000 FPR4=0000000000000000 0000 FPR5=0000000000000000 0000 FPR6=0000000000000000 0000 FPR7=0000000000000000 0000 Opmask00=0000000000440401 Opmask01=0000000000000001 Opmask02=00000000fff7ffff Opmask03=0000000000000000 Opmask04=0000000000000000 Opmask05=0000000000000000 Opmask06=0000000000000000 Opmask07=0000000000000000 ZMM00=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM01=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007ffc2309cd40 0000003000000018 ZMM02=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007fc3c645f560 00007fc3c64535d8 ZMM03=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007fc3c6444c04 00007fc3c6458240 ZMM04=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM05=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM06=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM07=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM08=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM09=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM10=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM11=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM12=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM13=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM14=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM15=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM16=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM17=0000000000000000 0000000000000000 0000000000000000 0000000000000000 2525252525252525 2525252525252525 2525252525252525 2525252525252525 ZMM18=0000000000000000 0000000000000000 0000000000000000 0000000000000000 65723d73726f7272 6500747865003036 36396f7369007265 6c6c616b7a797300 ZMM19=0000000000000000 0000000000000000 0000000000000000 0000000000000000 40571856574a5757 4000515d40001513 131c4a564c005740 4949444e5f5c5600 ZMM20=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM21=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM22=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM23=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM24=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM25=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM26=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM27=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM28=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM29=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM30=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM31=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000