ext4 subsystem


List(s): linux-ext4@vger.kernel.org
Fixed bugs: 184
Parent subsystem(s): fs (149)
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 21h53m 20d PATCH [13d]
WARNING in __ext4_handle_dirty_metadata prio:low ext4 -1 1 37d 33d
kernel BUG in ext4_write_inline_data_end (3) prio:normal ext4 -1 syz 1 31d 44d PATCH [37d]
KASAN: use-after-free Read in ext4_search_dir (3) prio:high actionable ext4 19 2 27d 52d
INFO: task hung in ext4_write_end prio:high ext4 1 syz error 14 1d13h 58d
INFO: task hung in ext4_load_tail_bh ext4 prio:high 1 syz, C 1 42d 58d
KASAN: use-after-free Read in ext4_xattr_list_entries (2) actionable prio:high ext4 19 7 9d12h 81d
kernel BUG in ext4_write_inline_data (5) prio:high ext4 -1 syz error 28 11d 81d
INFO: task kworker/u8:NUM:NUM blocked in I/O wait for more than NUM seconds. (2) prio:high ext4 -1 5 96d 96d
BUG: unable to handle kernel NULL pointer dereference in qlist_free_all (10) prio:low mm ext4 10 syz, C 3 87d 101d
INFO: task jbd2/sda1-NUM:NUM blocked in I/O wait for more than NUM seconds. prio:low ext4 -1 syz, C 12 95d 121d PATCH [32d]
WARNING in jbd2_journal_dirty_metadata (3) prio:high ext4 -1 21 24d 129d
KASAN: use-after-free Read in xattr_find_entry (2) prio:high ext4 19 syz, C error error 3 7d12h 188d PATCH [141d]
INFO: task hung in block_read_full_folio (3) prio:high ext4 1 syz, C error error 19 3d13h 199d
kernel BUG in ext4_es_cache_extent (4) prio:high ext4 -1 syz, C error error 15 158d 202d 💬 8 [170d]
possible deadlock in evict (4) prio:high ext4 4 46 17d 276d
INFO: task hung in __start_renaming prio:high ext4 1 syz, C done error 71 65d 279d 💬 11 [277d]
possible deadlock in ext4_xattr_set_handle (7) prio:high ext4 4 syz, C unreliable 2454 1h34m 289d PATCH [46d]
possible deadlock in ext4_destroy_inline_data (2) prio:low ext4 4 syz, C error 9669 now 297d PATCH [72d]
WARNING in get_data prio:high ext4 -1 syz, C error 1613 291d 309d
WARNING in ext4_write_inode (3) prio:high ext4 -1 10 86d 317d
KMSAN: uninit-value in fscrypt_crypt_data_unit ext4 fscrypt prio:high 7 syz, C 202 75d 319d PATCH [66d]
INFO: rcu detected stall in unwind_next_frame (5) prio:low ext4 1 syz, C error error 60 8d10h 320d
INFO: rcu detected stall in ext4_file_mmap_prepare prio:high ext4 1 syz, C error 3 3d17h 347d
possible deadlock in do_writepages (2) prio:normal ext4 4 syz, C unreliable 883 10d 347d
WARNING in ext4_mb_load_buddy_gfp prio:high ext4 mm -1 syz, C 7 182d 348d PATCH [339d]
possible deadlock in ext4_truncate (2) prio:high ext4 4 syz, C unreliable error 3 133d 369d 💬 4 [369d]
INFO: rcu detected stall in wb_workfn (4) prio:normal ext4 1 syz, C error error 71 2d19h 414d 💬 2 [36d]
INFO: rcu detected stall in ext4_end_io_rsv_work (3) prio:normal mm ext4 1 syz, C error error 3 237d 474d
kernel BUG in ext4_ext_insert_extent (2) prio:high ext4 -1 syz, C done error 38 168d 505d
INFO: task hung in find_inode_fast (4) ext4 1 syz, C error error 30 4d10h 615d PATCH [61d]
INFO: task hung in do_get_write_access (3) prio:low ext4 1 syz, C error 824 1h56m 644d
divide error in qnx6_mmi_fill_super prio:high ext4 2 syz, C unreliable inconclusive 7 57d 666d PATCH [663d]
WARNING in ext4_iomap_begin (3) prio:high ext4 -1 syz, C inconclusive error 179 1h03m 667d
possible deadlock in ext4_writepages (2) prio:high ext4 4 syz, C unreliable 20768 1h37m 679d 💬 1 [19d]
WARNING in ext4_journal_check_start (2) ext4 -1 syz, C inconclusive inconclusive 109 6d03h 681d PATCH [32d]
KASAN: out-of-bounds Read in ext4_xattr_set_entry prio:high ext4 22 syz, C error 7933 3h58m 707d PATCH [247d]
KASAN: use-after-free Read in ext4_inlinedir_to_tree ext4 19 syz, C done error 6 239d 731d 💬 1 [730d]
kernel BUG in ext4_mb_use_inode_pa (2) ext4 -1 syz, C error 451 3h03m 752d
WARNING in ext4_xattr_inode_lookup_create prio:low ext4 -1 syz, C inconclusive error 1002 6d16h 823d PATCH [823d]
INFO: task hung in jbd2_journal_commit_transaction (5) ext4 1 syz, C error error 2524 42m 837d
WARNING in ext4_xattr_set_entry (2) ext4 -1 syz, C error 9 837d 870d PATCH [3d15h]
INFO: task hung in sync_inodes_sb (5) ext4 xfs 1 syz, C error inconclusive 3025 12h34m 1139d
WARNING: locking bug in ext4_ioctl ext4 4 syz, C done done 923 631d 1181d PATCH [701d]
WARNING: locking bug in __ext4_ioctl ext4 4 syz, C done error 849 648d 1182d
kernel BUG in ext4_do_writepages prio:high ext4 -1 syz, C error 4139 59m 1351d PATCH [33d]
kernel BUG in __ext4_journal_stop ext4 -1 syz, C error done 44 29d 1370d 💬 7 [900d]
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 5d00h 5d00h
WARNING: proc registration bug in jbd2_journal_destroy prio:low ext4 -1 1 31d 27d
KCSAN: data-race in _copy_to_iter / string (7) race:benign prio:low ext4 6 1 33d 33d
KCSAN: data-race in _prb_read_valid / prb_reserve_in_last (2) prio:low ext4 6 45 5d19h 402d
KCSAN: data-race in copy_folio_from_iter_atomic / copy_folio_from_iter_atomic prio:low ext4 6 215 2d13h 451d
KCSAN: data-race in find_get_block_common / has_bh_in_lru prio:low ext4 6 324 4d14h 490d
KCSAN: data-race in _prb_read_valid / data_alloc prio:low ext4 6 583 1d04h 491d
KCSAN: data-race in data_push_tail / vsnprintf (9) prio:low ext4 6 249 10d 554d
KCSAN: data-race in data_alloc / data_push_tail (3) prio:low ext4 block 6 75 36d 720d
KCSAN: data-race in filemap_splice_read / filemap_splice_read prio:low ext4 6 1613 22h37m 996d
KCSAN: data-race in _prb_read_valid / prb_reserve prio:high ext4 6 3941 3d00h 2119d
KCSAN: data-race in __find_get_block / has_bh_in_lru ext4 6 syz 2497 491d 2400d