ext4 subsystem


List(s): linux-ext4@vger.kernel.org
Fixed bugs: 184
Parent subsystem(s): fs (148)
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 11d 12d PATCH [5d19h]
WARNING in __ext4_handle_dirty_metadata ext4 prio:low -1 1 29d 25d
kernel BUG in ext4_write_inline_data_end (3) prio:normal ext4 -1 syz 1 23d 37d PATCH [29d]
KASAN: use-after-free Read in ext4_search_dir (3) prio:high actionable ext4 19 2 19d 44d
INFO: task hung in ext4_write_end prio:high ext4 1 syz error 11 1d05h 51d
INFO: task hung in ext4_load_tail_bh ext4 prio:high 1 syz, C 1 35d 51d
KASAN: use-after-free Read in ext4_xattr_list_entries (2) actionable prio:high ext4 19 7 1d17h 73d
kernel BUG in ext4_write_inline_data (5) prio:high ext4 -1 syz error 28 4d04h 74d
INFO: task kworker/u8:NUM:NUM blocked in I/O wait for more than NUM seconds. (2) prio:high ext4 -1 5 88d 88d
BUG: unable to handle kernel NULL pointer dereference in qlist_free_all (10) prio:low mm ext4 10 syz, C 3 79d 93d
possible deadlock in ext4_map_blocks (3) prio:low ext4 4 1 99d 95d
INFO: task jbd2/sda1-NUM:NUM blocked in I/O wait for more than NUM seconds. prio:low ext4 -1 syz, C 12 87d 113d PATCH [24d]
WARNING in jbd2_journal_dirty_metadata (3) prio:high ext4 -1 21 16d 121d
KASAN: use-after-free Read in xattr_find_entry (2) prio:high ext4 19 syz, C error error 3 170d 180d PATCH [133d]
INFO: task hung in block_read_full_folio (3) prio:high ext4 1 syz, C error error 18 7d19h 191d
kernel BUG in ext4_es_cache_extent (4) prio:high ext4 -1 syz, C error error 15 150d 194d 💬 8 [162d]
possible deadlock in evict (4) prio:high ext4 4 46 9d17h 268d
INFO: task hung in __start_renaming prio:high ext4 1 syz, C done error 71 57d 271d 💬 11 [270d]
possible deadlock in ext4_xattr_set_handle (7) prio:high ext4 4 syz, C unreliable 2389 2h00m 282d PATCH [39d]
possible deadlock in ext4_destroy_inline_data (2) prio:low ext4 4 syz, C error 9504 25m 289d PATCH [64d]
WARNING in get_data prio:high ext4 -1 syz, C error 1613 284d 301d
WARNING in ext4_write_inode (3) prio:high ext4 -1 10 78d 309d
KMSAN: uninit-value in fscrypt_crypt_data_unit ext4 fscrypt prio:high 7 syz, C 202 67d 311d PATCH [58d]
INFO: rcu detected stall in unwind_next_frame (5) prio:low ext4 1 syz, C error error 60 15h31m 312d
INFO: rcu detected stall in ext4_file_mmap_prepare prio:high ext4 1 syz, C error 2 104d 339d
possible deadlock in do_writepages (2) prio:normal ext4 4 syz, C unreliable 883 2d23h 340d
WARNING in ext4_mb_load_buddy_gfp prio:high ext4 mm -1 syz, C 7 175d 341d PATCH [331d]
possible deadlock in ext4_truncate (2) prio:high ext4 4 syz, C unreliable error 3 125d 362d 💬 4 [361d]
INFO: rcu detected stall in wb_workfn (4) prio:normal ext4 1 syz, C error error 69 3d09h 406d 💬 2 [28d]
INFO: rcu detected stall in ext4_end_io_rsv_work (3) prio:normal mm ext4 1 syz, C error error 3 230d 467d
kernel BUG in ext4_ext_insert_extent (2) prio:high ext4 -1 syz, C done error 38 160d 497d
INFO: task hung in find_inode_fast (4) ext4 1 syz, C error error 30 17d 607d PATCH [54d]
INFO: task hung in do_get_write_access (3) prio:low ext4 1 syz, C error 652 1h29m 636d
divide error in qnx6_mmi_fill_super prio:high ext4 2 syz, C unreliable inconclusive 7 49d 658d PATCH [656d]
WARNING in ext4_iomap_begin (3) prio:high ext4 -1 syz, C inconclusive error 153 3d13h 659d
possible deadlock in ext4_writepages (2) prio:high ext4 4 syz, C unreliable 20342 now 671d 💬 1 [11d]
WARNING in ext4_journal_check_start (2) ext4 -1 syz, C inconclusive inconclusive 104 2h41m 673d PATCH [24d]
KASAN: out-of-bounds Read in ext4_xattr_set_entry prio:high ext4 22 syz, C error 7901 18h48m 699d PATCH [239d]
KASAN: use-after-free Read in ext4_inlinedir_to_tree ext4 19 syz, C done error 6 231d 723d 💬 1 [722d]
kernel BUG in ext4_mb_use_inode_pa (2) ext4 -1 syz, C error 432 7h50m 744d
WARNING in ext4_xattr_inode_lookup_create prio:low ext4 -1 syz, C inconclusive error 1002 20d 815d PATCH [815d]
INFO: task hung in jbd2_journal_commit_transaction (5) ext4 1 syz, C error error 2375 1h33m 829d
WARNING in ext4_xattr_set_entry (2) ext4 -1 syz, C error 9 829d 863d
INFO: task hung in sync_inodes_sb (5) ext4 xfs 1 syz, C error inconclusive 3020 2d15h 1131d
WARNING: locking bug in ext4_ioctl ext4 4 syz, C done done 923 623d 1174d PATCH [693d]
WARNING: locking bug in __ext4_ioctl ext4 4 syz, C done error 849 640d 1174d
kernel BUG in ext4_do_writepages prio:high ext4 -1 syz, C error 3907 1h33m 1343d PATCH [25d]
kernel BUG in __ext4_journal_stop ext4 -1 syz, C error done 44 21d 1362d 💬 7 [893d]
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
WARNING: proc registration bug in jbd2_journal_destroy ext4 prio:low -1 1 23d 19d
KCSAN: data-race in _copy_to_iter / string (7) ext4 race:benign prio:low 6 1 25d 25d
KCSAN: data-race in __filemap_add_folio / sync_bdevs (4) race:benign prio:low ext4 6 1 53d 53d
KCSAN: data-race in xas_find_marked / xas_init_marks (7) race:benign prio:low ext4 mm 6 2 49d 61d
KCSAN: data-race in _prb_read_valid / prb_reserve_in_last (2) prio:low ext4 6 44 4d05h 394d
KCSAN: data-race in copy_folio_from_iter_atomic / copy_folio_from_iter_atomic prio:low ext4 6 210 9h11m 443d
KCSAN: data-race in find_get_block_common / has_bh_in_lru prio:low ext4 6 323 4d06h 482d
KCSAN: data-race in _prb_read_valid / data_alloc prio:low ext4 6 575 21h57m 483d
KCSAN: data-race in data_push_tail / vsnprintf (9) prio:low ext4 6 249 2d14h 547d
KCSAN: data-race in data_alloc / data_push_tail (3) prio:low ext4 block 6 75 28d 713d
KCSAN: data-race in filemap_splice_read / filemap_splice_read prio:low ext4 6 1604 4h17m 988d
KCSAN: data-race in _prb_read_valid / prb_reserve prio:high ext4 6 3937 6h01m 2111d
KCSAN: data-race in __find_get_block / has_bh_in_lru ext4 6 syz 2497 483d 2392d