ext4 subsystem


List(s): linux-ext4@vger.kernel.org
Fixed bugs: 184
Parent subsystem(s): fs (145)
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
KASAN: use-after-free Read in register_bcache bcache ext4 prio:high 19 syz, C 11 3d10h 4d15h
WARNING in __ext4_handle_dirty_metadata ext4 prio:low -1 1 21d 17d
kernel BUG in ext4_write_inline_data_end (3) ext4 prio:normal -1 syz 1 15d 29d PATCH [21d]
KASAN: use-after-free Read in ext4_search_dir (3) prio:high actionable ext4 19 2 12d 36d
INFO: task hung in ext4_write_end prio:high ext4 1 syz error 3 43d 43d
INFO: task hung in ext4_load_tail_bh ext4 prio:high 1 syz, C 1 27d 43d
KASAN: use-after-free Read in ext4_xattr_list_entries (2) actionable prio:high ext4 19 6 10d 65d
kernel BUG in ext4_write_inline_data (5) prio:high ext4 -1 syz error 27 2d13h 66d
INFO: task kworker/u8:NUM:NUM blocked in I/O wait for more than NUM seconds. (2) prio:high ext4 -1 5 80d 80d
BUG: unable to handle kernel NULL pointer dereference in qlist_free_all (10) prio:low mm ext4 10 syz, C 3 71d 85d
possible deadlock in ext4_map_blocks (3) prio:low ext4 4 1 91d 87d
INFO: task jbd2/sda1-NUM:NUM blocked in I/O wait for more than NUM seconds. prio:low ext4 -1 syz, C 12 79d 105d PATCH [16d]
WARNING in jbd2_journal_dirty_metadata (3) prio:high ext4 -1 21 8d13h 113d
KASAN: use-after-free Read in xattr_find_entry (2) prio:high ext4 19 syz, C error error 3 162d 172d PATCH [125d]
INFO: task hung in block_read_full_folio (3) prio:high ext4 1 syz, C error error 17 11h45m 183d
kernel BUG in ext4_es_cache_extent (4) prio:high ext4 -1 syz, C error error 15 142d 186d 💬 8 [154d]
possible deadlock in evict (4) prio:high ext4 4 46 1d18h 260d
INFO: task hung in __start_renaming prio:high ext4 1 syz, C done error 71 49d 263d 💬 11 [262d]
possible deadlock in ext4_xattr_set_handle (7) prio:high ext4 4 syz, C unreliable 2255 8m 274d PATCH [31d]
possible deadlock in ext4_destroy_inline_data (2) prio:low ext4 4 syz, C error 9310 2h34m 281d PATCH [56d]
WARNING in get_data prio:high ext4 -1 syz, C error 1613 276d 293d
WARNING in ext4_write_inode (3) prio:high ext4 -1 10 70d 301d
KMSAN: uninit-value in fscrypt_crypt_data_unit ext4 fscrypt prio:high 7 syz, C 202 59d 303d PATCH [50d]
INFO: rcu detected stall in unwind_next_frame (5) prio:low ext4 1 syz, C error error 59 1d15h 304d
INFO: rcu detected stall in ext4_file_mmap_prepare prio:high ext4 1 syz, C error 2 96d 331d
possible deadlock in do_writepages (2) prio:normal ext4 4 syz, C unreliable 879 1d00h 332d
WARNING in ext4_mb_load_buddy_gfp prio:high ext4 mm -1 syz, C 7 167d 333d PATCH [323d]
possible deadlock in ext4_truncate (2) prio:high ext4 4 syz, C unreliable error 3 117d 354d 💬 4 [353d]
INFO: rcu detected stall in wb_workfn (4) prio:normal ext4 1 syz, C error error 68 10d 398d 💬 2 [20d]
INFO: rcu detected stall in ext4_end_io_rsv_work (3) prio:normal mm ext4 1 syz, C error error 3 222d 459d
kernel BUG in ext4_ext_insert_extent (2) prio:high ext4 -1 syz, C done error 38 152d 489d
INFO: task hung in find_inode_fast (4) ext4 1 syz, C error error 30 9d23h 599d PATCH [46d]
INFO: task hung in do_get_write_access (3) prio:low ext4 1 syz, C error 593 7h34m 628d
divide error in qnx6_mmi_fill_super prio:high ext4 2 syz, C unreliable inconclusive 7 41d 650d PATCH [648d]
WARNING in ext4_iomap_begin (3) prio:high ext4 -1 syz, C inconclusive error 151 2h03m 651d
possible deadlock in ext4_writepages (2) prio:high ext4 4 syz, C unreliable 19829 31m 663d 💬 1 [3d06h]
WARNING in ext4_journal_check_start (2) ext4 -1 syz, C inconclusive inconclusive 93 3d18h 665d PATCH [16d]
KASAN: out-of-bounds Read in ext4_xattr_set_entry prio:high ext4 22 syz, C error 7883 2h41m 691d PATCH [231d]
KASAN: use-after-free Read in ext4_inlinedir_to_tree ext4 19 syz, C done error 6 223d 715d 💬 1 [715d]
kernel BUG in ext4_mb_use_inode_pa (2) ext4 -1 syz, C error 421 1d21h 736d
WARNING in ext4_xattr_inode_lookup_create prio:low ext4 -1 syz, C inconclusive error 1002 12d 807d PATCH [807d]
INFO: task hung in jbd2_journal_commit_transaction (5) ext4 1 syz, C error error 2323 17h10m 821d
WARNING in ext4_xattr_set_entry (2) ext4 -1 syz, C error 9 821d 855d
INFO: task hung in sync_inodes_sb (5) xfs ext4 1 syz, C error inconclusive 3015 17h37m 1123d
WARNING: locking bug in ext4_ioctl ext4 4 syz, C done done 923 615d 1166d PATCH [685d]
WARNING: locking bug in __ext4_ioctl ext4 4 syz, C done error 849 632d 1166d
kernel BUG in ext4_do_writepages prio:high ext4 -1 syz, C error 3883 8h54m 1335d PATCH [17d]
kernel BUG in __ext4_journal_stop ext4 -1 syz, C error done 44 13d 1355d 💬 7 [885d]
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
WARNING: proc registration bug in jbd2_journal_destroy ext4 prio:low -1 1 15d 11d
KCSAN: data-race in _copy_to_iter / string (7) ext4 race:benign prio:low 6 1 17d 17d
KCSAN: data-race in __filemap_add_folio / sync_bdevs (4) race:benign prio:low ext4 6 1 45d 45d
KCSAN: data-race in xas_find_marked / xas_init_marks (7) race:benign prio:low mm ext4 6 2 41d 53d
KCSAN: data-race in data_push_tail / uuid_string (6) race:benign prio:high ext4 6 2 48d 75d
KCSAN: data-race in _prb_read_valid / prb_reserve_in_last (2) prio:low block ext4 6 43 7d03h 386d
KCSAN: data-race in copy_folio_from_iter_atomic / copy_folio_from_iter_atomic prio:low ext4 6 204 1h23m 435d
KCSAN: data-race in find_get_block_common / has_bh_in_lru prio:low ext4 6 321 4h59m 474d
KCSAN: data-race in _prb_read_valid / data_alloc prio:low ext4 6 571 12h06m 475d
KCSAN: data-race in data_push_tail / vsnprintf (9) prio:low ext4 6 247 3d12h 539d
KCSAN: data-race in data_alloc / data_push_tail (3) prio:low block ext4 6 75 20d 705d
KCSAN: data-race in touch_atime / touch_atime (3) prio:high ext4 6 755 14h56m 809d
KCSAN: data-race in filemap_splice_read / filemap_splice_read prio:low ext4 6 1596 4h44m 981d
KCSAN: data-race in data_alloc / prb_reserve prio:low net ext4 6 1299 3d16h 1967d
KCSAN: data-race in _prb_read_valid / prb_reserve bridge ext4 prio:high 6 3929 2d01h 2103d
KCSAN: data-race in __find_get_block / has_bh_in_lru ext4 6 syz 2497 475d 2384d