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ext4 subsystem


List(s): linux-ext4@vger.kernel.org
Fixed bugs: 179
Parent subsystem(s): fs (137)
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
KASAN: use-after-free Read in ext4_xattr_list_entries (2) ext4 actionable prio:high 19 2 6d15h 4d08h
kernel BUG in ext4_write_inline_data (5) ext4 prio:high -1 2 4d14h 4d21h
INFO: task kworker/u8:NUM:NUM blocked in I/O wait for more than NUM seconds. (2) prio:high ext4 -1 5 19d 19d
BUG: unable to handle kernel NULL pointer dereference in qlist_free_all (10) prio:low mm ext4 10 C 3 10d 24d
possible deadlock in ext4_map_blocks (3) ext4 prio:low 4 1 29d 25d
INFO: task jbd2/sda1-NUM:NUM blocked in I/O wait for more than NUM seconds. prio:low ext4 -1 C 12 18d 44d PATCH [41d]
BUG: sleeping function called from invalid context in jbd2_journal_commit_transaction ext4 prio:high 5 1 52d 48d
WARNING in jbd2_journal_dirty_metadata (3) ext4 prio:high -1 1 56d 52d
KASAN: use-after-free Read in xattr_find_entry (2) ext4 prio:high 19 C error error 3 101d 111d PATCH [64d]
INFO: task hung in block_read_full_folio (3) prio:high ext4 1 C error error 8 5d18h 122d
kernel BUG in ext4_es_cache_extent (4) prio:high ext4 -1 C error error 15 81d 125d 💬 8 [93d]
possible deadlock in wait_transaction_locked (3) ext4 prio:high 4 C error 457 3h08m 165d PATCH [1d15h]
kernel BUG in ext4_mb_normalize_request (2) prio:high ext4 -1 15 78d 168d
possible deadlock in evict (4) prio:high ext4 4 22 2h33m 199d
possible deadlock in ext4_xattr_set_handle (7) prio:high ext4 4 C unreliable 885 13m 212d PATCH [2d04h]
possible deadlock in ext4_destroy_inline_data (2) prio:low ext4 4 C error 5435 5m 220d PATCH [3d22h]
possible deadlock in ext4_evict_inode (5) ext4 prio:high 4 C error 493 15h30m 220d PATCH [2d04h]
WARNING in ext4_xattr_inode_update_ref (2) ext4 prio:low -1 C error 10012 1h13m 226d PATCH [1h23m]
WARNING in get_data ext4 prio:high -1 C error 1613 215d 232d
WARNING in ext4_write_inode (3) prio:high ext4 -1 10 9d15h 240d
KMSAN: uninit-value in fscrypt_crypt_data_unit ext4 fscrypt prio:high 7 C 196 17h33m 242d 💬 6 [4d08h]
INFO: rcu detected stall in unwind_next_frame (5) ext4 prio:low 1 C error error 52 10h02m 243d
INFO: rcu detected stall in ext4_file_mmap_prepare ext4 prio:high 1 C error 2 34d 270d
possible deadlock in do_writepages (2) ext4 prio:normal 4 C unreliable 773 2h21m 270d
WARNING in ext4_mb_load_buddy_gfp ext4 mm prio:high -1 C 7 105d 271d PATCH [262d]
possible deadlock in ext4_truncate (2) prio:high ext4 4 C unreliable error 3 56d 292d 💬 4 [292d]
INFO: rcu detected stall in wb_workfn (4) prio:normal ext4 1 C error error 65 1d01h 337d 💬 1 [197d]
KASAN: slab-use-after-free Read in __ext4_check_dir_entry prio:high ext4 19 C error error 6 38d 348d PATCH [335d]
INFO: rcu detected stall in ext4_end_io_rsv_work (3) prio:normal ext4 mm 1 C error error 3 160d 397d
kernel BUG in ext4_ext_insert_extent (2) ext4 prio:high -1 C done error 38 91d 428d
WARNING in __jbd2_log_wait_for_space ocfs2 ext4 -1 C inconclusive done 6 206d 527d
KASAN: use-after-free Read in ext4_find_extent (4) ext4 prio:high 19 C done error 307 76d 530d PATCH [204d]
INFO: task hung in find_inode_fast (4) ext4 1 C error error 22 25d 538d
INFO: task hung in do_get_write_access (3) prio:low ext4 1 C error 467 8h35m 567d
divide error in qnx6_mmi_fill_super ext4 prio:high 2 C unreliable inconclusive 7 83d 589d PATCH [586d]
WARNING in ext4_iomap_begin (3) ext4 prio:high -1 C inconclusive 131 30d 590d
possible deadlock in ext4_writepages (2) ext4 prio:high 4 C unreliable 11142 now 602d 💬 1 [4d08h]
WARNING in ext4_journal_check_start (2) ext4 -1 C inconclusive inconclusive 79 4d21h 604d PATCH [400d]
possible deadlock in ext4_xattr_inode_lookup_create ext4 prio:high 4 C done error 287 23d 623d
KASAN: out-of-bounds Read in ext4_xattr_set_entry prio:high ext4 22 C error 7601 4h03m 630d PATCH [170d]
KASAN: use-after-free Read in ext4_inlinedir_to_tree ext4 19 C done error 6 162d 654d 💬 1 [653d]
kernel BUG in ext4_mb_use_inode_pa (2) ext4 -1 C error 314 1d23h 675d
WARNING in ext4_xattr_inode_lookup_create prio:low ext4 -1 C inconclusive error 999 23h45m 746d PATCH [746d]
INFO: task hung in jbd2_journal_commit_transaction (5) ext4 1 C error error 2193 14h09m 760d
INFO: task hung in do_renameat2 (2) prio:high ext4 1 C inconclusive error 278 161d 769d
WARNING in ext4_xattr_set_entry (2) ext4 -1 C error 9 760d 793d
INFO: task hung in sync_inodes_sb (5) xfs ext4 1 C error inconclusive 2951 9d22h 1062d
WARNING: locking bug in ext4_ioctl ext4 4 C done done 923 554d 1104d PATCH [624d]
WARNING: locking bug in __ext4_ioctl ext4 4 C done error 849 571d 1105d
kernel BUG in ext4_do_writepages ext4 prio:high -1 C error 3229 1h15m 1274d 💬 9 [4d08h]
kernel BUG in __ext4_journal_stop ext4 -1 C error done 42 28d 1293d 💬 7 [823d]
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
KCSAN: data-race in data_push_tail / uuid_string (6) ext4 race:benign prio:high 6 1 13d 13d
KCSAN: data-race in _copy_to_iter / string (6) ext4 race:benign prio:high 6 1 28d 28d
KCSAN: data-race in _copy_to_iter / kmmpd (4) prio:low ext4 6 2 26d 40d
KCSAN: data-race in memchr / vsnprintf (2) prio:low ext4 net 6 2 43d 40d
KCSAN: data-race in has_bh_in_lru / invalidate_bh_lru (9) prio:high ext4 6 6 3d16h 122d
KCSAN: data-race in atime_needs_update / inode_update_time prio:low ext4 6 12 5d21h 123d
KCSAN: data-race in _prb_read_valid / prb_reserve_in_last (2) ext4 prio:low 6 34 2d02h 325d
KCSAN: data-race in copy_folio_from_iter_atomic / copy_folio_from_iter_atomic ext4 prio:low 6 172 1d03h 374d
KCSAN: data-race in find_get_block_common / has_bh_in_lru ext4 prio:low 6 301 6d14h 413d
KCSAN: data-race in _prb_read_valid / data_alloc net ext4 prio:low 6 507 now 414d
KCSAN: data-race in data_push_tail / vsnprintf (9) prio:low ext4 6 228 9d01h 477d
KCSAN: data-race in __filemap_add_folio / nr_blockdev_pages (3) ext4 prio:low 6 175 4d12h 917d
KCSAN: data-race in filemap_splice_read / filemap_splice_read ext4 prio:low 6 1566 7h43m 919d
KCSAN: data-race in data_push_tail / string ext4 audit prio:low 6 490 9d13h 1787d
KCSAN: data-race in data_alloc / prb_reserve net ext4 prio:low 6 1270 16h28m 1906d
KCSAN: data-race in _prb_read_valid / prb_reserve bridge ext4 prio:high 6 3893 2d23h 2042d
KCSAN: data-race in __find_get_block / has_bh_in_lru ext4 6 syz 2497 414d 2323d