syzbot


Applied filters: Label=subsystems:bcachefs (drop)
Title Repro Cause bisect Fix bisect Count Last Reported Patched Closed Patch
kernel BUG in bch2_get_scanned_nodes bcachefs C done 100 18d 52d 1/28 never bcachefs: struct bkey_validate_context
general protection fault in bch2_checksum bcachefs C done 21 2h18m 186d 1/28 never bcachefs: cryptographic MACs on superblock are not (yet?) supported
possible deadlock in __bch2_trans_relock bcachefs C 52 1d08h 88d 1/28 never bcachefs: bch2_trans_relock() is trylock for lockdep
INFO: task hung in __writeback_inodes_sb_nr (6) bcachefs C done 3794 6h04m 583d 1/28 never PM: hibernate: Fix block device handling in test_resume mode
kernel BUG in __bch2_trans_commit bcachefs C unreliable 11858 66d 91d 1/28 never bcachefs: -o norecovery now bails out of recovery earlier
kernel BUG in bch2_journal_noflush_seq bcachefs C done done 836 2h19m 193d 1/28 never bcachefs: Check for bucket journal seq in the future
kernel BUG in bch2_rechecksum_bio bcachefs C 4 62d 72d 1/28 never bcachefs: Check for extent crc uncompressed/compressed size mismatch
WARNING in bch2_journal_flush_seq_async bcachefs C 26 24d 123d 1/28 never bcachefs: Check for inode journal seq in the future
kernel BUG in bch2_bio_compress (2) bcachefs C 4 58d 66d 1/28 never bcachefs: Don't BUG_ON() when superblock feature wasn't set for compressed data
possible deadlock in bch2_alloc_sectors_start_trans bcachefs C inconclusive 64 47d 69d 1/28 never bcachefs: Don't recurse in check_discard_freespace_key
BUG: unable to handle kernel paging request in crypto_skcipher_encrypt bcachefs C 427 17h37m 219d 1/28 never bcachefs: Don't try to en/decrypt when encryption not available
kernel BUG in bch2_btree_pos_to_text (2) bcachefs C 51 20h10m 58d 1/28 never bcachefs: Fix btree node scan when unknown btree IDs are present
kernel BUG in __bch2_btree_node_write bcachefs C 108 4h42m 108d 1/28 never bcachefs: Fix dup/misordered check in btree node read
BUG: corrupted list in bch2_btree_and_journal_iter_exit bcachefs C done 7 9d21h 55d 1/28 never bcachefs: Fix journal_iter list corruption
general protection fault in bch2_btree_path_traverse_one bcachefs C done 414 29m 86d 1/28 never bcachefs: Fix null ptr deref in btree_path_lock_root() bcachefs: Ignore empty btree root journal entries
kernel BUG in bch2_btree_path_traverse_one bcachefs C done 9 41d 74d 1/28 never bcachefs: Guard against backpointers to unknown btrees
kernel BUG in bch2_btree_write_buffer_flush_locked bcachefs C done 35 3d07h 83d 1/28 never bcachefs: Guard against journal seq overflow
kernel BUG in __bch2_journal_pin_put bcachefs C 11 14d 56d 1/28 never bcachefs: Guard against journal seq overflow
kernel BUG in bch2_journal_pin_set bcachefs C done 11 2d03h 55d 1/28 never bcachefs: Guard against journal seq overflow
kernel BUG in bch2_btree_node_lock_write bcachefs C done 8 47d 59d 1/28 never bcachefs: Issue a transaction restart after commit in repair
kernel BUG in bch2_btree_root_read bcachefs C 5 51d 58d 1/28 never bcachefs: Kill bch2_bucket_alloc_new_fs()
kernel BUG in bch2_bucket_alloc_trans (3) bcachefs C error 707 40m 62d 1/28 never bcachefs: Kill bch2_bucket_alloc_new_fs()
kernel BUG in bch2_evacuate_bucket bcachefs C done 4 56d 55d 1/28 never bcachefs: Kill bch2_get_next_backpointer()
possible deadlock in __bch2_fsck_err bcachefs 2 43d 43d 1/28 never bcachefs: Kill unnecessary mark_lock usage
kernel BUG in bch2_fs_btree_write_buffer_exit bcachefs C done 6138 62d 114d 28/28 22d ca43f73cd172 bcachefs: bch2_btree_write_buffer_flush_going_ro()
kernel BUG in bch2_journal_res_get (2) bcachefs C 1710 62d 86d 28/28 22d ca43f73cd172 bcachefs: bch2_btree_write_buffer_flush_going_ro()
kernel BUG in bch2_fs_btree_cache_exit bcachefs C done 2766 62d 93d 28/28 22d ca43f73cd172 bcachefs: bch2_btree_write_buffer_flush_going_ro()
kernel BUG in __bch2_btree_node_hash_insert bcachefs C done 396 63d 71d 28/28 34d 0b6ec0c5ac6c bcachefs: Fix assertion pop in topology repair
KASAN: slab-out-of-bounds Read in journal_entry_dev_usage_to_text bcachefs C done 33 64d 174d 28/28 34d 657d4282d8c4 bcachefs: Fix journal_entry_dev_usage_to_text() overrun
kernel BUG in __bkey_unpack_pos bcachefs C 4 42d 81d 28/28 34d dc537189b5cf bcachefs: Fix validate_bset() repair path
kernel BUG in bch2_trans_node_iter_init bcachefs C done 13 72d 86d 28/28 34d f8f1dde68681 bcachefs: Fix missing validation for bch_backpointer.level
kernel BUG in bch2_btree_path_level_init (2) bcachefs C done 29 38d 88d 28/28 34d f8f1dde68681 bcachefs: Fix missing validation for bch_backpointer.level
kernel BUG in bch2_dev_btree_bitmap_mark bcachefs C done 31 66d 90d 28/28 34d 27a036a0c3e7 bcachefs: Fix bch_member.btree_bitmap_shift validation
kernel BUG in bch2_bkey_pack_pos_lossy bcachefs C 7 73d 85d 28/28 34d dc537189b5cf bcachefs: Fix validate_bset() repair path
kernel BUG in bch2_run_recovery_pass bcachefs C done 17 67d 87d 28/28 34d 2642084f26b5 bcachefs: Allow for unknown key types in backpointers fsck
kernel BUG in bch2_ptr_swab bcachefs C inconclusive 11 72d 89d 28/28 34d 840c2fbcc5cd bcachefs: Fix assertion pop in bch2_ptr_swab()
kernel BUG in __bch2_bkey_cmp_packed_format_checked bcachefs C 4 87d 86d 28/28 39d d335bb3fd3a4 bcachefs: Ancient versions with bad bkey_formats are no longer supported
kernel BUG in bch2_bkey_cmp_packed bcachefs C 8 73d 86d 28/28 39d d335bb3fd3a4 bcachefs: Ancient versions with bad bkey_formats are no longer supported
kernel BUG in bch2_inconsistent_error bcachefs C 4 73d 85d 28/28 39d f9f0a5390dce bcachefs: Change OPT_STR max to be 1 less than the size of choices array
KASAN: slab-use-after-free Read in bch2_reconstruct_alloc bcachefs C done 2 84d 88d 28/28 66d 8e910ca20e11 bcachefs: Fix UAF in bch2_reconstruct_alloc()
kernel BUG in bch2_bucket_alloc_trans (2) bcachefs C done 103 67d 95d 28/28 66d 3fd27e9c57bf bcachefs: init freespace inited bits to 0 in bch2_fs_initialize
KASAN: null-ptr-deref Read in bch2_sb_set_upgrade_extra bcachefs C 2 92d 88d 28/28 66d a25a83de45b4 bcachefs: fix null-ptr-deref in have_stripes()
general protection fault in btree_node_iter_and_journal_peek bcachefs C 3 89d 112d 28/28 66d 3726a1970bd7 bcachefs: Fix NULL ptr dereference in btree_node_iter_and_journal_peek
UBSAN: shift-out-of-bounds in bch2_alloc_to_text bcachefs C 29 78d 90d 28/28 66d 5c41f75d1b92 bcachefs: fix shift oob in alloc_lru_idx_fragmentation
UBSAN: shift-out-of-bounds in validate_sb_layout bcachefs C done 7 80d 88d 28/28 66d 2045fc4295c4 bcachefs: Fix invalid shift in validate_sb_layout()
possible deadlock in bch2_replicas_entry_validate bcachefs C done 9468 89d 108d 28/28 67d bf4baaa087e2 bcachefs: Fix lockdep splat in bch2_accounting_read
kernel BUG in bch2_btree_pos_to_text bcachefs C 8 71d 120d 28/28 68d 0151d10a480d bcachefs: add check for btree id against max in try read node
general protection fault in prt_str bcachefs C done 2 110d 125d 28/28 68d a30f32222df2 bcachefs: Fix NULL pointer dereference in bch2_opt_to_text
general protection fault in bch2_alloc_read bcachefs C 7 108d 115d 28/28 68d a319aeaebb6c bcachefs: Fix missing bounds checks in bch2_alloc_read()
UBSAN: shift-out-of-bounds in bch2_stripe_to_text bcachefs C 3 120d 116d 28/28 68d 9f25dbe0bf91 bcachefs: Add missing validation for bch_stripe.csum_granularity_bits
UBSAN: shift-out-of-bounds in member_to_text bcachefs C 12 95d 139d 28/28 68d c1bd21bb6518 bcachefs: Fix invalid shift in member_to_text()
KASAN: slab-use-after-free Read in bch2_direct_write bcachefs 11 112d 115d 28/28 68d 573ddcdc5607 bcachefs: fix uaf in bch2_dio_write_done()
WARNING in __bch2_fsck_err (2) bcachefs C 3 108d 104d 28/28 87d 5612daafb764 bcachefs: Fix fsck warnings from bkey validation
general protection fault in bch2_fs_recovery bcachefs C 10 113d 131d 28/28 89d 025c55a4c7f1 bcachefs: return err ptr instead of null in read sb clean
kernel BUG in vfs_get_tree bcachefs C done 318 107d 151d 28/28 89d b29c30ab48e0 bcachefs: Fix incorrect IS_ERR_OR_NULL usage
KMSAN: uninit-value in bch2_bkey_cmp_packed_inlined bcachefs C 7 112d 132d 28/28 89d 0696a18a8cc3 bcachefs: memset bounce buffer portion to 0 after key_sort_fix_overlapping
WARNING: suspicious RCU usage in bch2_snapshot_tree_oldest_subvol bcachefs C 21 113d 124d 28/28 89d 39c3aad43f6f bcachefs: Hold read lock in bch2_snapshot_tree_oldest_subvol()
general protection fault in __copy_super bcachefs C done 5 118d 120d 28/28 89d 40d40c6bea19 bcachefs: assign return error when iterating through layout
kernel BUG in bch2_lru_change (2) bcachefs C 2 157d 156d 28/28 108d 9482f3b05332 bcachefs: avoid overflowing LRU_TIME_BITS for cached data lru
WARNING in bch2_fs_journal_stop bcachefs C done 1463 155d 187d 28/28 108d 7f2de6947f92 bcachefs: Fix warning in bch2_fs_journal_stop()
kernel BUG in bch2_journal_replay bcachefs C done 3 151d 223d 28/28 108d cab18be6957b bcachefs: Fix replay_now_at() assert
WARNING in bch2_write_super bcachefs 3 155d 152d 28/28 108d 6575b8c9877c bcachefs: Fix locking in bch2_ioc_setlabel()
KMSAN: uninit-value in bch2_alloc_v4_validate bcachefs C 5 152d 150d 28/28 108d 8ed823b19214 bcachefs: Fix compat issue with old alloc_v4 keys
WARNING in __bch2_fsck_err bcachefs C 200 110d 156d 28/28 108d 075cabf324c3 bcachefs: Fix forgetting to pass trans to fsck_err()
KASAN: slab-out-of-bounds Write in bch2_dev_journal_init bcachefs C 2 154d 154d 28/28 108d bdbdd4759f08 bcachefs: Fix missing validation in bch2_sb_journal_v2_validate()
WARNING in discard_new_inode bcachefs C 3 156d 156d 28/28 108d 99c87fe0f584 bcachefs: fix incorrect i_state usage
kernel BUG in bch2_sort_keys bcachefs C error 3 235d 259d 27/28 136d 5dfd3746b6c4 bcachefs: Fix needs_whiteout BUG_ON() in bkey_sort()
WARNING in __virt_to_phys (5) bcachefs 4 159d 155d 27/28 143d 9bd01500e4d8 bcachefs: Fix freeing of error pointers
possible deadlock in bch2_btree_roots_to_journal_entries bcachefs C done 29 196d 230d 27/28 143d 1841027c7de4 bcachefs: bch2_gc_btree() should not use btree_root_lock
possible deadlock in bch2_gc_mark_key bcachefs C done 86 160d 237d 27/28 143d 1841027c7de4 bcachefs: bch2_gc_btree() should not use btree_root_lock
WARNING in __replicas_deltas_realloc bcachefs C 9 163d 186d 27/28 145d 1d16c605cc55 bcachefs: Disk space accounting rewrite
kernel BUG in bch2_bucket_alloc_freelist bcachefs 1 214d 210d 27/28 145d 44ec5990357b bcachefs: Don't use the new_fs() bucket alloc path on an initialized fs
kernel BUG in bch2_fs_journal_stop bcachefs C done 4370 159d 251d 27/28 145d 600b8be5e747 bcachefs: Change bch2_fs_journal_stop() BUG_ON() to warning
kernel BUG in __replicas_entry_idx bcachefs C done unreliable 3 241d 244d 27/28 145d 8bb8d683a401 bcachefs: Delete journal-buf-sharded old style accounting
WARNING in bch2_fs_usage_read_one bcachefs C done 18 257d 257d 27/28 145d 8bb8d683a401 bcachefs: Delete journal-buf-sharded old style accounting
kernel BUG in bch2_fs_release (2) bcachefs 1 210d 206d 27/28 146d 759b2e800f16 bcachefs: Switch online_reserved shutdown assert to WARN()
kernel panic: not locked: inodes NUM:NUM:NUM cached bcachefs C 2 229d 240d 27/28 146d 385f0c05d670 bcachefs: kill key cache arg to bch2_assert_pos_locked()
BUG: MAX_LOCK_DEPTH too low! (4) bcachefs C error 1364 160d 256d 27/28 147d 375476c41405 bcachefs: Add lockdep support for btree node locks
WARNING in bch2_fs_ioctl bcachefs C done 36 160d 222d 27/28 150d d293ece10810 bcachefs: Fix shutdown ordering
KASAN: global-out-of-bounds Read in srcu_gp_start_if_needed bcachefs 1 242d 237d 27/28 150d d293ece10810 bcachefs: Fix shutdown ordering
kernel panic: bch_dev->ref underflow, last put: bch2_get_next_dev bcachefs C done 21 240d 250d 27/28 150d 9667214b30ef bcachefs: Fix ref in trans_mark_dev_sbs() error path
KASAN: wild-memory-access Read in __timer_delete_sync bcachefs 5 171d 237d 27/28 150d d293ece10810 bcachefs: Fix shutdown ordering
WARNING: suspicious RCU usage in bch2_bucket_ref_update bcachefs C done 5 195d 194d 27/28 159d 6f692b1672bd bcachefs: Fix RCU splat
kernel BUG in bch2_bucket_alloc_trans bcachefs 18 184d 214d 27/28 159d 44ec5990357b bcachefs: Don't use the new_fs() bucket alloc path on an initialized fs
BUG: sleeping function called from invalid context in bch2_printbuf_make_room bcachefs C done 27 183d 181d 27/28 159d 737759fc098f bcachefs: Fix printbuf usage while atomic
UBSAN: shift-out-of-bounds in bch2_bkey_format_invalid (2) bcachefs C 117 159d 224d 27/28 159d a0bd30e4ea9d bcachefs: Fix shift greater than integer size
kernel BUG in bch2_ioctl_fsck_online bcachefs C done 3 215d 211d 26/28 190d 9bd01500e4d8 bcachefs: Fix freeing of error pointers
WARNING in __virt_to_phys (4) bcachefs C 2 203d 199d 26/28 190d 9bd01500e4d8 bcachefs: Fix freeing of error pointers
UBSAN: shift-out-of-bounds in bch2_btree_node_read_done bcachefs C 3 218d 241d 26/28 192d 9e7cfb35e266 bcachefs: Check for invalid btree IDs
UBSAN: array-index-out-of-bounds in bch2_bkey_swab_key bcachefs 2 227d 225d 26/28 193d d47df4f616d5 bcachefs: Fix array-index-out-of-bounds
INFO: task hung in journal_quiesce bcachefs syz 76 205d 233d 26/28 193d 89d21b69b4f8 bcachefs: Add missing bch2_journal_do_writes() call
UBSAN: array-index-out-of-bounds in lock_timer_base bcachefs kvm 4 216d 230d 26/28 194d b79922009214 bcachefs: Add missing synchronize_srcu_expedited() call when shutting down
WARNING in bch2_fs_read_write_early bcachefs C 35 211d 219d 26/28 194d 1ba44217f825 bcachefs: delete_dead_snapshots() doesn't need to go RW
UBSAN: shift-out-of-bounds in read_one_super (2) bcachefs 4 220d 216d 26/28 194d d406545613b5 bcachefs: Fix shift overflow in read_one_super()
KASAN: slab-use-after-free Read in bch2_sb_errors_from_cpu bcachefs C 2 212d 208d 26/28 194d 211c581de28e bcachefs: slab-use-after-free Read in bch2_sb_errors_from_cpu
UBSAN: shift-out-of-bounds in bch2_blacklist_entries_gc bcachefs C 45 208d 208d 26/28 194d 472237b69d07 bcachefs: Fix shift-out-of-bounds in bch2_blacklist_entries_gc
kernel BUG in bch2_journal_res_get bcachefs C 2 224d 220d 26/28 194d dbf4d79b7fc7 bcachefs: Fix early init error path in journal code
kernel BUG in bch2_lru_change bcachefs C done 4 211d 227d 26/28 194d cff07e2739d8 bcachefs: Guard against overflowing LRU_TIME_BITS
WARNING: locking bug in srcu_gp_start_if_needed kvm bcachefs 2 221d 223d 26/28 194d f770a6e9a3d7 bcachefs: Fix initialization order for srcu barrier
WARNING: kmalloc bug in __snapshot_t_mut bcachefs C done 10 204d 235d 26/28 194d 64cd7de998f3 bcachefs: Fix kmalloc bug in __snapshot_t_mut
KASAN: slab-use-after-free Read in bch2_fs_recovery bcachefs 21 212d 213d 26/28 194d 2fe79ce7d1e8 bcachefs: Fix a UAF after write_super()
WARNING: locking bug in __timer_delete_sync kvm bcachefs 6 208d 232d 26/28 194d b79922009214 bcachefs: Add missing synchronize_srcu_expedited() call when shutting down
kernel BUG in gc_bucket bcachefs C done 221 228d 232d 26/28 194d 9432e90df1b8 bcachefs: Check for invalid bucket from bucket_gen(), gc_bucket()
general protection fault in bch2_fs_btree_key_cache_exit bcachefs 6 220d 220d 26/28 213d b30b70ad8bff bcachefs: Fix early error path in bch2_fs_btree_key_cache_exit()
UBSAN: shift-out-of-bounds in bch2_sb_dev_has_data bcachefs C done 15 252d 250d 25/28 223d bcfbaea8e547 bcachefs: Fix shift overflows in replicas.c
kernel panic: not locked: inodes NUM:ADDR:NUM cached bcachefs C 2 250d 246d 25/28 223d 6ce26ad376bd bcachefs: Fix missing parens in drop_locks_do()
kernel BUG in bch2_btree_iter_verify_entry_exit bcachefs C done 3 243d 248d 25/28 223d 765b8cb8acab bcachefs: Check for subvolues with bogus snapshot/inode fields
kernel BUG in bch2_checksum bcachefs C done 9 240d 250d 25/28 223d 6b74fdcc8e25 bcachefs: bch2_checksum() returns 0 for unknown checksum type
general protection fault in poll_state_synchronize_srcu bcachefs 5 243d 243d 25/28 223d d293ece10810 bcachefs: Fix shutdown ordering
kernel BUG in cpu_replicas_add_entry bcachefs C done 11 234d 252d 25/28 223d 5fa421448d1f bcachefs: Fix bogus verify_replicas_entry() assert
kernel BUG in __journal_res_get bcachefs C done 7 231d 255d 25/28 223d cd3b31f9d417 bcachefs: Ensure we're RW before journalling
KASAN: stack-out-of-bounds Read in __bch2_encrypt_bio bcachefs C done 2 253d 250d 25/28 223d 2ba24864d2f6 bcachefs: Fix stack oob in __bch2_encrypt_bio()
UBSAN: shift-out-of-bounds in bch2_btree_lost_data bcachefs C done 3 249d 247d 25/28 223d f108ddd467b5 bcachefs: Fix shift overflow in btree_lost_data()
kernel BUG in bch2_fs_release bcachefs 3 235d 240d 25/28 223d d509cadc3a48 bcachefs: Fix debug assert
kernel panic: bch_dev->ref underflow, last put: bch2_trigger_alloc bcachefs C done 6 240d 251d 25/28 223d 9667214b30ef bcachefs: Fix ref in trans_mark_dev_sbs() error path
general protection fault in __bch2_insert_snapshot_whiteouts bcachefs C done 65 238d 250d 25/28 223d 6d48e61364ae bcachefs: Add missing guard in bch2_snapshot_has_children()
KASAN: slab-use-after-free Read in evict_inodes bcachefs C done 2 255d 251d 25/28 223d d93ff5fa40b9 bcachefs: Fix race path in bch2_inode_insert()
general protection fault in crypto_skcipher_encrypt crypto bcachefs C error 66 223d 250d 25/28 223d c06a8b75679d bcachefs: Fix bch2_alloc_ciphers()
KMSAN: uninit-value in bch2_dirent_invalid bcachefs C 239 223d 251d 25/28 223d 2195b755ebd2 bcachefs: Fix unsafety in bch2_dirent_name_bytes()
kernel BUG in bch2_fs_recovery bcachefs C done done 161 255d 261d 25/28 223d 7ffec9ccdc6a bcachefs: don't free error pointers
UBSAN: shift-out-of-bounds in read_one_super bcachefs C done 31 229d 258d 25/28 228d 71dac2482ad3 bcachefs: BCH_SB_LAYOUT_SIZE_BITS_MAX
WARNING: kmalloc bug in bch2_dev_buckets_resize bcachefs C 17 229d 260d 25/28 228d db42549d402c bcachefs: Add a better limit for maximum number of buckets
WARNING in __virt_to_phys (3) bcachefs C 447 228d 261d 25/28 228d 7ffec9ccdc6a bcachefs: don't free error pointers
KMSAN: uninit-value in __bch2_write_index bcachefs 1 260d 260d 25/28 228d 1267df40acb2 bcachefs: Initialize bch_write_op->failed in inline data path
BUG: unable to handle kernel paging request in bch2_fs_btree_key_cache_exit bcachefs C 1002 228d 261d 25/28 228d b30b70ad8bff bcachefs: Fix early error path in bch2_fs_btree_key_cache_exit()
WARNING: suspicious RCU usage in bch2_fs_quota_read bcachefs C done 24 229d 259d 25/28 228d 8060bf1d83f7 bcachefs: Fix snapshot_t() usage in bch2_fs_quota_read_inode()
UBSAN: shift-out-of-bounds in __bch2_bkey_invalid bcachefs C done 6 233d 259d 25/28 228d 2bb9600d5d47 bcachefs: Guard against unknown k.k->type in __bkey_invalid()
KASAN: slab-out-of-bounds Read in bch2_sb_downgrade_to_text bcachefs C done 32 245d 258d 25/28 228d 692aa7a54b2b bcachefs: Fix sb_field_downgrade validation
KASAN: slab-out-of-bounds Read in bch2_sb_clean_to_text bcachefs C done 3 250d 259d 25/28 228d f39055220f6f bcachefs: Add missing validation for superblock section clean
kernel BUG in bch2_alloc_v4_invalid bcachefs C error 3 236d 259d 25/28 228d 6b8cbfc3db75 bcachefs: Fix assert in bch2_alloc_v4_invalid()
KASAN: slab-out-of-bounds Read in bch2_varint_decode_fast bcachefs C 583 228d 261d 25/28 228d 4a8521b6bb81 bcachefs: Inodes need extra padding for varint_decode_fast()
UBSAN: shift-out-of-bounds in bch2_bkey_format_invalid bcachefs C 45 231d 256d 25/28 228d 61692c7812ab bcachefs: bch2_bkey_format_field_overflows()
UBSAN: shift-out-of-bounds in rewrite_old_nodes_pred bcachefs C done 3 259d 259d 25/28 228d 0ec5b3b7ccfc bcachefs: Fix shift-by-64 in bformat_needs_redo()
kernel BUG in bch2_btree_node_read_done bcachefs C error 5 259d 261d 25/28 228d a2ddaf965f6a bcachefs: bucket_pos_to_bp_noerror()