ext4 subsystem


List(s): linux-ext4@vger.kernel.org
Fixed bugs: 187
Parent subsystem(s): fs (146)
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
WARNING in ext4_write_inode (4) ext4 prio:low -1 1 4d16h 16h22m
INFO: task hung in do_new_mount (4) prio:high fuse ext4 1 syz 7 22h22m 1d19h
KASAN: use-after-free Read in ext4_read_inline_data (2) ext4 prio:high 19 syz, C error 1 9d11h 8d19h PATCH [5d10h]
linux-next test error: general protection fault in __bh_submit ext4 prio:high -1 2 20d 17d 💬 1 [16d]
KASAN: use-after-free Read in register_bcache prio:high ext4 bcache 19 syz, C 11 25d 44d PATCH [37d]
WARNING in __ext4_handle_dirty_metadata prio:low ext4 -1 1 61d 57d
kernel BUG in ext4_write_inline_data_end (3) prio:normal ext4 -1 syz 1 55d 69d PATCH [61d]
KASAN: use-after-free Read in ext4_search_dir (3) prio:high actionable ext4 19 2 52d 76d
INFO: task hung in ext4_write_end prio:high ext4 1 syz error 16 19d 83d PATCH [8d21h]
INFO: task hung in ext4_load_tail_bh prio:high ext4 1 syz, C 1 67d 83d
KASAN: use-after-free Read in ext4_xattr_list_entries (2) actionable prio:high ext4 19 7 33d 105d
kernel BUG in ext4_write_inline_data (5) prio:high ext4 -1 syz error error 28 36d 106d
BUG: unable to handle kernel NULL pointer dereference in qlist_free_all (10) prio:low mm ext4 10 syz, C 3 111d 125d
INFO: task jbd2/sda1-NUM:NUM blocked in I/O wait for more than NUM seconds. prio:low ext4 -1 syz, C 12 119d 145d PATCH [56d]
WARNING in jbd2_journal_dirty_metadata (3) prio:high ext4 -1 21 48d 153d
KASAN: use-after-free Read in xattr_find_entry (2) prio:high ext4 19 syz, C error error 3 31d 212d PATCH [165d]
INFO: task hung in block_read_full_folio (3) prio:high ext4 1 syz, C error error 19 13d 223d PATCH [15d]
possible deadlock in evict (4) prio:high ext4 4 46 41d 300d
INFO: task hung in __start_renaming prio:high ext4 1 syz, C done error 71 89d 303d 💬 11 [302d]
possible deadlock in ext4_xattr_set_handle (7) prio:high ext4 4 syz, C unreliable 2502 19d 314d PATCH [71d]
possible deadlock in ext4_destroy_inline_data (2) prio:low ext4 4 syz, C error 9790 19d 321d PATCH [96d]
WARNING in get_data prio:high ext4 -1 syz, C error 1613 316d 333d
KMSAN: uninit-value in fscrypt_crypt_data_unit ext4 fscrypt prio:high 7 syz, C 202 99d 343d PATCH [91d]
INFO: rcu detected stall in unwind_next_frame (5) prio:low ext4 1 syz, C error error 63 4d21h 344d
INFO: rcu detected stall in ext4_file_mmap_prepare prio:high ext4 1 syz, C error 3 27d 371d
possible deadlock in do_writepages (2) prio:normal ext4 4 syz, C unreliable error 883 35d 372d
WARNING in ext4_mb_load_buddy_gfp prio:high ext4 mm -1 syz, C 154 1h56m 373d PATCH [363d]
INFO: rcu detected stall in wb_workfn (4) prio:normal ext4 1 syz, C error error 75 1d15h 438d 💬 2 [60d]
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 28d 639d PATCH [86d]
INFO: task hung in do_get_write_access (3) prio:low ext4 1 syz, C error 1396 2h59m 668d
divide error in qnx6_mmi_fill_super prio:high ext4 2 syz, C unreliable inconclusive 7 2d03h 690d PATCH [688d]
WARNING in ext4_iomap_begin (3) prio:high ext4 -1 syz, C inconclusive error 328 11h22m 691d
possible deadlock in ext4_writepages (2) prio:high ext4 4 syz, C unreliable 21100 19d 703d 💬 1 [12d]
WARNING in ext4_journal_check_start (2) ext4 -1 syz, C inconclusive inconclusive 113 1d23h 705d PATCH [56d]
KASAN: out-of-bounds Read in ext4_xattr_set_entry prio:high ext4 22 syz, C error 8017 12h24m 731d PATCH [271d]
KASAN: use-after-free Read in ext4_inlinedir_to_tree ext4 19 syz, C done error 6 263d 755d 💬 1 [755d]
kernel BUG in ext4_mb_use_inode_pa (2) ext4 -1 syz, C error 488 1d14h 776d
WARNING in ext4_xattr_inode_lookup_create prio:low ext4 -1 syz, C inconclusive error 1004 9d17h 847d PATCH [847d]
INFO: task hung in jbd2_journal_commit_transaction (5) prio:low ext4 1 syz, C error error 3043 2h59m 861d
WARNING in ext4_xattr_set_entry (2) ext4 -1 syz, C error 9 861d 895d PATCH [22d]
INFO: task hung in sync_inodes_sb (5) xfs ext4 1 syz, C error inconclusive 3029 6d22h 1163d
WARNING: locking bug in ext4_ioctl ext4 4 syz, C done done 923 655d 1206d PATCH [725d]
WARNING: locking bug in __ext4_ioctl ext4 4 syz, C done error 849 672d 1206d
kernel BUG in ext4_do_writepages prio:high ext4 -1 syz, C error 5349 5h00m 1375d PATCH [58d]
kernel BUG in __ext4_journal_stop ext4 -1 syz, C error done 44 53d 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 11h09m 11h09m
KCSAN: data-race in xas_find_marked / xas_init_marks (8) ext4 race:benign prio:low 6 1 10d 10d
KCSAN: data-race in has_bh_in_lru / invalidate_bh_lru (10) ext4 race:benign prio:high 6 2 4d17h 29d
WARNING: proc registration bug in jbd2_journal_destroy prio:low ext4 -1 1 55d 51d
KCSAN: data-race in copy_folio_from_iter_atomic / copy_folio_from_iter_atomic prio:low ext4 mm 6 225 3d08h 475d
KCSAN: data-race in find_get_block_common / has_bh_in_lru prio:low ext4 6 332 12h05m 514d
KCSAN: data-race in _prb_read_valid / data_alloc prio:low ext4 6 592 4d09h 515d
KCSAN: data-race in data_push_tail / vsnprintf (9) prio:low ext4 6 254 1h59m 579d
KCSAN: data-race in filemap_splice_read / filemap_splice_read prio:low ext4 6 1637 18m 1021d
KCSAN: data-race in __find_get_block / has_bh_in_lru ext4 6 syz 2497 515d 2424d