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 2d20h 22d PATCH [15d]
WARNING in __ext4_handle_dirty_metadata prio:low ext4 -1 1 39d 35d
kernel BUG in ext4_write_inline_data_end (3) prio:normal ext4 -1 syz 1 33d 46d PATCH [39d]
KASAN: use-after-free Read in ext4_search_dir (3) prio:high actionable ext4 19 2 29d 54d
INFO: task hung in ext4_write_end prio:high ext4 1 syz error 14 3d12h 60d
INFO: task hung in ext4_load_tail_bh prio:high ext4 1 syz, C 1 44d 60d
KASAN: use-after-free Read in ext4_xattr_list_entries (2) actionable prio:high ext4 19 7 11d 83d
kernel BUG in ext4_write_inline_data (5) prio:high ext4 -1 syz error 28 13d 83d
INFO: task kworker/u8:NUM:NUM blocked in I/O wait for more than NUM seconds. (2) prio:high ext4 -1 5 98d 98d
BUG: unable to handle kernel NULL pointer dereference in qlist_free_all (10) prio:low mm ext4 10 syz, C 3 88d 102d
INFO: task jbd2/sda1-NUM:NUM blocked in I/O wait for more than NUM seconds. prio:low ext4 -1 syz, C 12 97d 123d PATCH [34d]
WARNING in jbd2_journal_dirty_metadata (3) prio:high ext4 -1 21 26d 131d
KASAN: use-after-free Read in xattr_find_entry (2) prio:high ext4 19 syz, C error error 3 9d11h 190d PATCH [143d]
INFO: task hung in block_read_full_folio (3) prio:high ext4 1 syz, C error error 19 5d12h 201d
kernel BUG in ext4_es_cache_extent (4) prio:high ext4 -1 syz, C error error 15 160d 204d 💬 8 [172d]
possible deadlock in evict (4) prio:high ext4 4 46 19d 278d
INFO: task hung in __start_renaming prio:high ext4 1 syz, C done error 71 67d 281d 💬 11 [279d]
possible deadlock in ext4_xattr_set_handle (7) prio:high ext4 4 syz, C unreliable 2472 1h07m 291d PATCH [48d]
possible deadlock in ext4_destroy_inline_data (2) prio:low ext4 4 syz, C error 9727 2h22m 299d PATCH [74d]
WARNING in get_data prio:high ext4 -1 syz, C error 1613 293d 311d
WARNING in ext4_write_inode (3) prio:high ext4 -1 10 88d 319d
KMSAN: uninit-value in fscrypt_crypt_data_unit ext4 fscrypt prio:high 7 syz, C 202 76d 321d PATCH [68d]
INFO: rcu detected stall in unwind_next_frame (5) prio:low ext4 1 syz, C error error 61 13h18m 322d
INFO: rcu detected stall in ext4_file_mmap_prepare prio:high ext4 1 syz, C error 3 5d15h 349d
possible deadlock in do_writepages (2) prio:normal ext4 4 syz, C unreliable 883 12d 349d
WARNING in ext4_mb_load_buddy_gfp prio:high ext4 mm -1 syz, C 8 9h05m 350d PATCH [341d]
possible deadlock in ext4_truncate (2) prio:high ext4 4 syz, C unreliable error 3 135d 371d 💬 4 [370d]
INFO: rcu detected stall in wb_workfn (4) prio:normal ext4 1 syz, C error error 72 12h39m 416d 💬 2 [38d]
INFO: rcu detected stall in ext4_end_io_rsv_work (3) prio:normal mm ext4 1 syz, C error error 3 239d 476d
kernel BUG in ext4_ext_insert_extent (2) prio:high ext4 -1 syz, C done error 38 170d 507d
INFO: task hung in find_inode_fast (4) ext4 1 syz, C error error 30 6d09h 617d PATCH [63d]
INFO: task hung in do_get_write_access (3) prio:low ext4 1 syz, C error 852 1h38m 646d
divide error in qnx6_mmi_fill_super prio:high ext4 2 syz, C unreliable inconclusive 7 59d 668d PATCH [665d]
WARNING in ext4_iomap_begin (3) prio:high ext4 -1 syz, C inconclusive error 189 18h07m 669d
possible deadlock in ext4_writepages (2) prio:high ext4 4 syz, C unreliable 20895 10m 681d 💬 1 [20d]
WARNING in ext4_journal_check_start (2) ext4 -1 syz, C inconclusive inconclusive 109 8d02h 683d PATCH [34d]
KASAN: out-of-bounds Read in ext4_xattr_set_entry prio:high ext4 22 syz, C error 7937 20h18m 709d PATCH [249d]
KASAN: use-after-free Read in ext4_inlinedir_to_tree ext4 19 syz, C done error 6 241d 733d 💬 1 [732d]
kernel BUG in ext4_mb_use_inode_pa (2) ext4 -1 syz, C error 454 1d04h 753d
WARNING in ext4_xattr_inode_lookup_create prio:low ext4 -1 syz, C inconclusive error 1002 8d15h 825d PATCH [825d]
INFO: task hung in jbd2_journal_commit_transaction (5) ext4 1 syz, C error error 2542 1h03m 838d
WARNING in ext4_xattr_set_entry (2) ext4 -1 syz, C error 9 839d 872d PATCH [5d14h]
INFO: task hung in sync_inodes_sb (5) ext4 xfs 1 syz, C error inconclusive 3025 2d11h 1140d
WARNING: locking bug in ext4_ioctl ext4 4 syz, C done done 923 633d 1183d PATCH [703d]
WARNING: locking bug in __ext4_ioctl ext4 4 syz, C done error 849 650d 1183d
kernel BUG in ext4_do_writepages prio:high ext4 -1 syz, C error 4245 1h24m 1353d PATCH [35d]
kernel BUG in __ext4_journal_stop ext4 -1 syz, C error done 44 31d 1372d 💬 7 [902d]
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
KCSAN: data-race in has_bh_in_lru / invalidate_bh_lru (10) ext4 race:benign prio:high 6 1 6d23h 6d23h
WARNING: proc registration bug in jbd2_journal_destroy prio:low ext4 -1 1 33d 29d
KCSAN: data-race in _copy_to_iter / string (7) race:benign prio:low ext4 6 1 35d 35d
KCSAN: data-race in _prb_read_valid / prb_reserve_in_last (2) prio:low ext4 6 46 1d15h 404d
KCSAN: data-race in copy_folio_from_iter_atomic / copy_folio_from_iter_atomic prio:low ext4 6 215 4d12h 453d
KCSAN: data-race in find_get_block_common / has_bh_in_lru prio:low ext4 6 325 1d11h 492d
KCSAN: data-race in _prb_read_valid / data_alloc prio:low ext4 6 584 3h02m 493d
KCSAN: data-race in data_push_tail / vsnprintf (9) prio:low ext4 6 249 12d 556d
KCSAN: data-race in data_alloc / data_push_tail (3) prio:low ext4 block 6 75 38d 722d
KCSAN: data-race in filemap_splice_read / filemap_splice_read prio:low ext4 6 1617 6h17m 998d
KCSAN: data-race in _prb_read_valid / prb_reserve prio:high ext4 6 3941 4d23h 2121d
KCSAN: data-race in __find_get_block / has_bh_in_lru ext4 6 syz 2497 493d 2402d