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ext4 subsystem


List(s): linux-ext4@vger.kernel.org
Fixed bugs: 180
Parent subsystem(s): fs (129)
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
kernel BUG in ext4_write_inline_data_end (3) ext4 -1 syz 1 3d01h 2d08h PATCH [10h15m]
KASAN: use-after-free Read in ext4_search_dir (3) ext4 prio:high actionable 19 1 14d 9d16h
INFO: task hung in ext4_write_end ext4 prio:high 1 syz error 3 16d 16d
INFO: task hung in ext4_load_tail_bh ext4 1 C 1 8h35m 16d
KASAN: use-after-free Read in ext4_xattr_list_entries (2) actionable prio:high ext4 19 3 13d 38d
kernel BUG in ext4_write_inline_data (5) prio:high ext4 -1 syz error 4 7d14h 39d
INFO: task kworker/u8:NUM:NUM blocked in I/O wait for more than NUM seconds. (2) prio:high ext4 -1 5 53d 53d
BUG: unable to handle kernel NULL pointer dereference in qlist_free_all (10) prio:low mm ext4 10 C 3 44d 58d
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 52d 78d PATCH [25d]
BUG: sleeping function called from invalid context in jbd2_journal_commit_transaction prio:high ext4 5 1 86d 82d
WARNING in jbd2_journal_dirty_metadata (3) prio:high ext4 -1 4 20d 86d
KASAN: use-after-free Read in xattr_find_entry (2) prio:high ext4 19 C error error 3 135d 145d PATCH [99d]
INFO: task hung in block_read_full_folio (3) prio:high ext4 1 C error error 8 40d 156d
kernel BUG in ext4_es_cache_extent (4) prio:high ext4 -1 C error error 15 115d 159d 💬 8 [127d]
possible deadlock in wait_transaction_locked (3) prio:high ext4 4 C error 711 4h02m 200d PATCH [8d13h]
possible deadlock in evict (4) prio:high ext4 4 31 22h08m 233d
INFO: task hung in __start_renaming prio:high ext4 1 C done error 71 23d 236d 💬 11 [235d]
possible deadlock in ext4_xattr_set_handle (7) prio:high ext4 4 C unreliable 1790 9m 247d PATCH [4d10h]
possible deadlock in ext4_destroy_inline_data (2) prio:low ext4 4 C error 8285 38m 254d PATCH [30d]
possible deadlock in ext4_evict_inode (5) prio:high ext4 4 C error 546 8h44m 255d PATCH [4d10h]
WARNING in ext4_xattr_inode_update_ref (2) prio:low ext4 -1 C error 13046 57m 260d PATCH [30d]
WARNING in get_data prio:high ext4 -1 C error 1613 249d 266d
WARNING in ext4_write_inode (3) prio:high ext4 -1 10 44d 274d
KMSAN: uninit-value in fscrypt_crypt_data_unit ext4 fscrypt prio:high 7 C 202 32d 277d PATCH [24d]
INFO: rcu detected stall in unwind_next_frame (5) prio:low ext4 1 C error error 54 7d16h 277d
INFO: rcu detected stall in ext4_file_mmap_prepare prio:high ext4 1 C error 2 69d 304d
possible deadlock in do_writepages (2) prio:normal ext4 4 C unreliable 816 4d09h 305d
WARNING in ext4_mb_load_buddy_gfp prio:high ext4 mm -1 C 7 140d 306d PATCH [296d]
possible deadlock in ext4_truncate (2) prio:high ext4 4 C unreliable error 3 90d 327d 💬 4 [326d]
INFO: rcu detected stall in wb_workfn (4) prio:normal ext4 1 C error error 65 35d 372d 💬 1 [231d]
KASAN: slab-use-after-free Read in __ext4_check_dir_entry prio:high ext4 19 C error error 6 27d 382d PATCH [12d]
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 1d07h 572d PATCH [19d]
INFO: task hung in do_get_write_access (3) prio:low ext4 1 C error 467 6d15h 601d
divide error in qnx6_mmi_fill_super prio:high ext4 2 C unreliable inconclusive 7 14d 623d 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 17363 7m 636d 💬 1 [7d19h]
WARNING in ext4_journal_check_start (2) ext4 -1 C inconclusive inconclusive 81 2d16h 638d PATCH [435d]
KASAN: out-of-bounds Read in ext4_xattr_set_entry prio:high ext4 22 C error 7779 7h05m 664d PATCH [204d]
KASAN: use-after-free Read in ext4_inlinedir_to_tree ext4 19 C done error 6 196d 688d 💬 1 [688d]
kernel BUG in ext4_mb_use_inode_pa (2) ext4 -1 C error 356 15h15m 709d
WARNING in ext4_xattr_inode_lookup_create prio:low ext4 -1 C inconclusive error 1002 10d 781d PATCH [780d]
INFO: task hung in jbd2_journal_commit_transaction (5) ext4 1 C error error 2205 1d21h 794d
INFO: task hung in do_renameat2 (2) prio:high ext4 1 C inconclusive error 278 196d 803d
WARNING in ext4_xattr_set_entry (2) ext4 -1 C error 9 794d 828d
INFO: task hung in sync_inodes_sb (5) xfs ext4 1 C error inconclusive 3007 4d22h 1096d
WARNING: locking bug in ext4_ioctl ext4 4 C done done 923 588d 1139d PATCH [658d]
WARNING: locking bug in __ext4_ioctl ext4 4 C done error 849 605d 1139d
kernel BUG in ext4_do_writepages prio:high ext4 -1 C error 3658 40m 1308d PATCH [15d]
kernel BUG in __ext4_journal_stop ext4 -1 C error done 44 1d00h 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 14d 26d
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 156d
KCSAN: data-race in atime_needs_update / inode_update_time prio:low ext4 6 14 18h36m 158d
KCSAN: data-race in _prb_read_valid / prb_reserve_in_last (2) prio:low ext4 6 40 8d21h 359d
KCSAN: data-race in copy_folio_from_iter_atomic / copy_folio_from_iter_atomic prio:low ext4 6 193 4d18h 408d
KCSAN: data-race in find_get_block_common / has_bh_in_lru prio:low ext4 6 311 2d17h 448d
KCSAN: data-race in _prb_read_valid / data_alloc net ext4 prio:low 6 540 9h23m 448d
KCSAN: data-race in data_push_tail / vsnprintf (9) prio:low ext4 net 6 237 3d05h 512d
KCSAN: data-race in data_alloc / data_push_tail (3) prio:low ext4 6 74 2d08h 678d
KCSAN: data-race in atime_needs_update / touch_atime (2) prio:low ext4 6 681 4d10h 897d
KCSAN: data-race in __filemap_add_folio / nr_blockdev_pages (3) prio:low ext4 mm 6 177 9d16h 951d
KCSAN: data-race in filemap_splice_read / filemap_splice_read prio:low ext4 6 1579 2d03h 954d
KCSAN: data-race in data_alloc / prb_reserve net ext4 prio:low 6 1288 1d04h 1940d
KCSAN: data-race in _prb_read_valid / prb_reserve bridge ext4 prio:high 6 3916 19h29m 2077d
KCSAN: data-race in __find_get_block / has_bh_in_lru ext4 6 syz 2497 448d 2357d