ext4 subsystem


List(s): linux-ext4@vger.kernel.org
Fixed bugs: 187
Parent subsystem(s): fs (145)
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
WARNING in __folio_set_anon mm ext4 prio:low -1 syz, C 4 17h39m 1h15m
WARNING in ext4_write_inode (4) ext4 prio:low -1 2 7h52m 1d10h
INFO: task hung in do_new_mount (4) prio:high fuse ext4 1 syz 7 1d16h 2d14h
KASAN: use-after-free Read in ext4_read_inline_data (2) ext4 prio:high 19 syz, C error 1 10d 9d13h PATCH [6d04h]
linux-next test error: general protection fault in __bh_submit ext4 prio:high -1 2 21d 18d 💬 1 [17d]
KASAN: use-after-free Read in register_bcache prio:high ext4 bcache 19 syz, C 11 25d 45d PATCH [38d]
WARNING in __ext4_handle_dirty_metadata prio:low ext4 -1 1 62d 58d
kernel BUG in ext4_write_inline_data_end (3) prio:normal ext4 -1 syz 1 56d 69d PATCH [62d]
KASAN: use-after-free Read in ext4_search_dir (3) prio:high actionable ext4 19 2 52d 77d
INFO: task hung in ext4_write_end prio:high ext4 1 syz error 16 20d 84d PATCH [9d15h]
INFO: task hung in ext4_load_tail_bh prio:high ext4 1 syz, C 1 67d 84d
KASAN: use-after-free Read in ext4_xattr_list_entries (2) actionable prio:high ext4 19 7 34d 106d
kernel BUG in ext4_write_inline_data (5) prio:high ext4 -1 syz error error 28 37d 106d
BUG: unable to handle kernel NULL pointer dereference in qlist_free_all (10) prio:low mm ext4 10 syz, C 3 112d 126d
INFO: task jbd2/sda1-NUM:NUM blocked in I/O wait for more than NUM seconds. prio:low ext4 -1 syz, C 12 120d 146d PATCH [57d]
WARNING in jbd2_journal_dirty_metadata (3) prio:high ext4 -1 21 49d 154d
KASAN: use-after-free Read in xattr_find_entry (2) prio:high ext4 19 syz, C error error 3 32d 213d PATCH [166d]
INFO: task hung in block_read_full_folio (3) prio:high ext4 1 syz, C error error 19 13d 224d PATCH [16d]
possible deadlock in evict (4) prio:high ext4 4 46 42d 301d
INFO: task hung in __start_renaming prio:high ext4 1 syz, C done error 71 90d 304d 💬 11 [302d]
possible deadlock in ext4_xattr_set_handle (7) prio:high ext4 4 syz, C unreliable 2502 20d 314d PATCH [72d]
possible deadlock in ext4_destroy_inline_data (2) prio:low ext4 4 syz, C error 9790 20d 322d PATCH [97d]
WARNING in get_data prio:high ext4 -1 syz, C error 1613 317d 334d
KMSAN: uninit-value in fscrypt_crypt_data_unit ext4 fscrypt prio:high 7 syz, C 202 100d 344d PATCH [91d]
INFO: rcu detected stall in unwind_next_frame (5) prio:low ext4 1 syz, C error error 63 5d16h 345d
INFO: rcu detected stall in ext4_file_mmap_prepare prio:high ext4 1 syz, C error 4 14h56m 372d
possible deadlock in do_writepages (2) prio:normal ext4 4 syz, C unreliable error 883 35d 373d
WARNING in ext4_mb_load_buddy_gfp prio:high ext4 mm -1 syz, C 158 21m 373d PATCH [364d]
INFO: rcu detected stall in wb_workfn (4) prio:normal ext4 1 syz, C error error 75 2d09h 439d 💬 2 [61d]
INFO: rcu detected stall in ext4_end_io_rsv_work (3) prio:normal mm ext4 1 syz, C error error 3 262d 499d
INFO: task hung in find_inode_fast (4) prio:high ext4 1 syz, C error error 30 29d 640d PATCH [86d]
INFO: task hung in do_get_write_access (3) prio:low ext4 1 syz, C error 1408 45m 669d
divide error in qnx6_mmi_fill_super prio:high ext4 2 syz, C unreliable inconclusive 7 2d21h 691d PATCH [689d]
WARNING in ext4_iomap_begin (3) prio:high ext4 -1 syz, C inconclusive error 329 9h22m 692d
possible deadlock in ext4_writepages (2) prio:high ext4 4 syz, C unreliable 21100 20d 704d 💬 1 [13d]
WARNING in ext4_journal_check_start (2) ext4 -1 syz, C inconclusive inconclusive 113 2d17h 706d PATCH [57d]
KASAN: out-of-bounds Read in ext4_xattr_set_entry prio:high ext4 22 syz, C error 8019 4h05m 732d PATCH [272d]
KASAN: use-after-free Read in ext4_inlinedir_to_tree ext4 19 syz, C done error 6 264d 756d 💬 1 [755d]
kernel BUG in ext4_mb_use_inode_pa (2) ext4 -1 syz, C error 488 2d08h 777d
WARNING in ext4_xattr_inode_lookup_create prio:low ext4 -1 syz, C inconclusive error 1004 10d 848d PATCH [848d]
INFO: task hung in jbd2_journal_commit_transaction (5) prio:low ext4 1 syz, C error error 3059 34m 862d
WARNING in ext4_xattr_set_entry (2) ext4 -1 syz, C error 9 862d 895d PATCH [22d]
INFO: task hung in sync_inodes_sb (5) xfs ext4 1 syz, C error inconclusive 3029 7d17h 1164d
WARNING: locking bug in ext4_ioctl ext4 4 syz, C done done 923 656d 1207d PATCH [726d]
WARNING: locking bug in __ext4_ioctl ext4 4 syz, C done error 849 673d 1207d
kernel BUG in ext4_do_writepages prio:high ext4 -1 syz, C error 5355 8h40m 1376d PATCH [58d]
kernel BUG in __ext4_journal_stop ext4 -1 syz, C error done 44 54d 1395d 💬 7 [925d]
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
KCSAN: data-race in data_push_tail / uuid_string (7) ext4 race:benign 6 1 1d05h 1d05h
KCSAN: data-race in xas_find_marked / xas_init_marks (8) ext4 race:benign prio:low 6 1 11d 11d
KCSAN: data-race in has_bh_in_lru / invalidate_bh_lru (10) race:benign prio:high ext4 6 2 5d11h 30d
WARNING: proc registration bug in jbd2_journal_destroy prio:low ext4 -1 1 56d 52d
KCSAN: data-race in copy_folio_from_iter_atomic / copy_folio_from_iter_atomic prio:low ext4 mm 6 227 5h05m 476d
KCSAN: data-race in find_get_block_common / has_bh_in_lru prio:low ext4 6 332 1d06h 515d
KCSAN: data-race in _prb_read_valid / data_alloc prio:low ext4 6 592 5d04h 516d
KCSAN: data-race in data_push_tail / vsnprintf (9) prio:low ext4 6 254 20h35m 579d
KCSAN: data-race in filemap_splice_read / filemap_splice_read prio:low ext4 6 1638 3h27m 1021d
KCSAN: data-race in __find_get_block / has_bh_in_lru ext4 6 syz 2497 516d 2425d