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ext4 subsystem


List(s): linux-ext4@vger.kernel.org
Fixed bugs: 180
Parent subsystem(s): fs (128)
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
kernel BUG in ext4_write_inline_data_end (3) ext4 -1 syz 1 3d13h 2d20h PATCH [22h24m]
KASAN: use-after-free Read in ext4_search_dir (3) ext4 prio:high actionable 19 1 15d 10d
INFO: task hung in ext4_write_end ext4 prio:high 1 syz error 3 17d 16d
INFO: task hung in ext4_load_tail_bh ext4 1 C 1 20h45m 16d
KASAN: use-after-free Read in ext4_xattr_list_entries (2) actionable prio:high ext4 19 3 13d 39d
kernel BUG in ext4_write_inline_data (5) prio:high ext4 -1 syz error 4 8d03h 39d
INFO: task kworker/u8:NUM:NUM blocked in I/O wait for more than NUM seconds. (2) prio:high ext4 -1 5 54d 54d
BUG: unable to handle kernel NULL pointer dereference in qlist_free_all (10) prio:low mm ext4 10 C 3 44d 59d
possible deadlock in ext4_map_blocks (3) prio:low ext4 4 1 64d 60d
INFO: task jbd2/sda1-NUM:NUM blocked in I/O wait for more than NUM seconds. prio:low ext4 -1 C 12 53d 79d PATCH [26d]
BUG: sleeping function called from invalid context in jbd2_journal_commit_transaction prio:high ext4 5 1 87d 83d
WARNING in jbd2_journal_dirty_metadata (3) prio:high ext4 -1 4 21d 87d
KASAN: use-after-free Read in xattr_find_entry (2) prio:high ext4 19 C error error 3 136d 146d PATCH [99d]
INFO: task hung in block_read_full_folio (3) prio:high ext4 1 C error error 8 40d 157d
kernel BUG in ext4_es_cache_extent (4) prio:high ext4 -1 C error error 15 116d 160d 💬 8 [128d]
possible deadlock in wait_transaction_locked (3) prio:high ext4 4 C error 711 16h11m 200d PATCH [9d01h]
possible deadlock in evict (4) prio:high ext4 4 31 1d10h 234d
INFO: task hung in __start_renaming prio:high ext4 1 C done error 71 23d 237d 💬 11 [235d]
possible deadlock in ext4_xattr_set_handle (7) prio:high ext4 4 C unreliable 1819 9m 247d PATCH [4d22h]
possible deadlock in ext4_destroy_inline_data (2) prio:low ext4 4 C error 8331 now 255d PATCH [30d]
possible deadlock in ext4_evict_inode (5) prio:high ext4 4 C error 547 2h55m 255d PATCH [4d22h]
WARNING in ext4_xattr_inode_update_ref (2) prio:low ext4 -1 C error 13154 20m 261d PATCH [31d]
WARNING in get_data prio:high ext4 -1 C error 1613 249d 267d
WARNING in ext4_write_inode (3) prio:high ext4 -1 10 44d 275d
KMSAN: uninit-value in fscrypt_crypt_data_unit ext4 fscrypt prio:high 7 C 202 33d 277d PATCH [24d]
INFO: rcu detected stall in unwind_next_frame (5) prio:low ext4 1 C error error 55 3h39m 278d
INFO: rcu detected stall in ext4_file_mmap_prepare prio:high ext4 1 C error 2 69d 305d
possible deadlock in do_writepages (2) prio:normal ext4 4 C unreliable 816 4d21h 305d
WARNING in ext4_mb_load_buddy_gfp prio:high ext4 mm -1 C 7 140d 306d PATCH [297d]
possible deadlock in ext4_truncate (2) prio:high ext4 4 C unreliable error 3 91d 327d 💬 4 [327d]
INFO: rcu detected stall in wb_workfn (4) prio:normal ext4 1 C error error 65 36d 372d 💬 1 [232d]
KASAN: slab-use-after-free Read in __ext4_check_dir_entry prio:high ext4 19 C error error 6 28d 383d PATCH [13d]
INFO: rcu detected stall in ext4_end_io_rsv_work (3) prio:normal mm ext4 1 C error error 3 195d 432d
kernel BUG in ext4_ext_insert_extent (2) prio:high ext4 -1 C done error 38 126d 463d
INFO: task hung in find_inode_fast (4) ext4 1 C error error 27 1d19h 573d PATCH [19d]
INFO: task hung in do_get_write_access (3) prio:low ext4 1 C error 467 7d03h 602d
divide error in qnx6_mmi_fill_super prio:high ext4 2 C unreliable inconclusive 7 15d 624d PATCH [621d]
WARNING in ext4_iomap_begin (3) prio:high ext4 -1 C inconclusive error 132 16d 625d
possible deadlock in ext4_writepages (2) prio:high ext4 4 C unreliable 17493 26m 637d 💬 1 [8d08h]
WARNING in ext4_journal_check_start (2) ext4 -1 C inconclusive inconclusive 81 3d04h 639d PATCH [435d]
KASAN: out-of-bounds Read in ext4_xattr_set_entry prio:high ext4 22 C error 7782 6h43m 665d PATCH [205d]
KASAN: use-after-free Read in ext4_inlinedir_to_tree ext4 19 C done error 6 197d 689d 💬 1 [688d]
kernel BUG in ext4_mb_use_inode_pa (2) ext4 -1 C error 356 1d03h 710d
WARNING in ext4_xattr_inode_lookup_create prio:low ext4 -1 C inconclusive error 1002 11d 781d PATCH [781d]
INFO: task hung in jbd2_journal_commit_transaction (5) ext4 1 C error error 2205 2d09h 795d
INFO: task hung in do_renameat2 (2) prio:high ext4 1 C inconclusive error 278 196d 804d
WARNING in ext4_xattr_set_entry (2) ext4 -1 C error 9 795d 828d
INFO: task hung in sync_inodes_sb (5) xfs ext4 1 C error inconclusive 3007 5d10h 1097d
WARNING: locking bug in ext4_ioctl ext4 4 C done done 923 589d 1139d PATCH [659d]
WARNING: locking bug in __ext4_ioctl ext4 4 C done error 849 606d 1140d
kernel BUG in ext4_do_writepages prio:high ext4 -1 C error 3659 4h33m 1309d PATCH [15d]
kernel BUG in __ext4_journal_stop ext4 -1 C error done 44 1d13h 1328d 💬 7 [858d]
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
KCSAN: data-race in __filemap_add_folio / sync_bdevs (4) ext4 race:benign prio:low 6 1 18d 18d
KCSAN: data-race in xas_find_marked / xas_init_marks (7) ext4 race:benign prio:low 6 2 15d 27d
KCSAN: data-race in data_push_tail / uuid_string (6) race:benign prio:high ext4 6 2 22d 48d
KCSAN: data-race in has_bh_in_lru / invalidate_bh_lru (9) prio:high ext4 6 6 38d 157d
KCSAN: data-race in atime_needs_update / inode_update_time prio:low ext4 6 14 1d06h 158d
KCSAN: data-race in _prb_read_valid / prb_reserve_in_last (2) prio:low ext4 6 40 9d09h 360d
KCSAN: data-race in copy_folio_from_iter_atomic / copy_folio_from_iter_atomic prio:low ext4 6 193 5d06h 409d
KCSAN: data-race in find_get_block_common / has_bh_in_lru prio:low ext4 6 311 3d05h 448d
KCSAN: data-race in _prb_read_valid / data_alloc net ext4 prio:low 6 540 21h33m 449d
KCSAN: data-race in data_push_tail / vsnprintf (9) prio:low ext4 net 6 237 3d17h 512d
KCSAN: data-race in data_alloc / data_push_tail (3) prio:low ext4 6 74 2d20h 678d
KCSAN: data-race in atime_needs_update / touch_atime (2) prio:low ext4 6 682 4h06m 898d
KCSAN: data-race in __filemap_add_folio / nr_blockdev_pages (3) prio:low ext4 mm 6 177 10d 952d
KCSAN: data-race in filemap_splice_read / filemap_splice_read prio:low ext4 6 1579 2d15h 954d
KCSAN: data-race in data_alloc / prb_reserve net ext4 prio:low 6 1288 1d16h 1941d
KCSAN: data-race in _prb_read_valid / prb_reserve bridge ext4 prio:high 6 3917 7h33m 2077d
KCSAN: data-race in __find_get_block / has_bh_in_lru ext4 6 syz 2497 449d 2358d