ext4 subsystem


List(s): linux-ext4@vger.kernel.org
Fixed bugs: 187
Parent subsystem(s): fs (142)
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
WARNING in __folio_set_anon mm ext4 prio:low -1 syz, C 4 2d08h 1d16h PATCH [12h24m]
WARNING in ext4_write_inode (4) ext4 prio:low -1 2 1d22h 3d01h
INFO: task hung in do_new_mount (4) prio:high fuse ext4 1 syz 8 1d01h 4d05h
KASAN: use-after-free Read in ext4_read_inline_data (2) ext4 prio:high 19 syz, C error 1 11d 11d PATCH [1d04h]
linux-next test error: general protection fault in __bh_submit ext4 prio:high -1 2 23d 20d 💬 1 [19d]
KASAN: use-after-free Read in register_bcache prio:high ext4 bcache 19 syz, C 11 27d 47d PATCH [40d]
WARNING in __ext4_handle_dirty_metadata prio:low ext4 -1 1 63d 59d
kernel BUG in ext4_write_inline_data_end (3) prio:normal ext4 -1 syz 1 58d 71d PATCH [64d]
KASAN: use-after-free Read in ext4_search_dir (3) prio:high actionable ext4 19 2 54d 78d
INFO: task hung in ext4_write_end prio:high ext4 1 syz error 16 21d 85d PATCH [11d]
INFO: task hung in ext4_load_tail_bh prio:high ext4 1 syz, C 1 69d 85d
KASAN: use-after-free Read in ext4_xattr_list_entries (2) actionable prio:high ext4 19 7 36d 107d
kernel BUG in ext4_write_inline_data (5) prio:high ext4 -1 syz error error 28 38d 108d
BUG: unable to handle kernel NULL pointer dereference in qlist_free_all (10) prio:low mm ext4 10 syz, C 3 113d 127d
INFO: task jbd2/sda1-NUM:NUM blocked in I/O wait for more than NUM seconds. prio:low ext4 -1 syz, C 12 122d 147d PATCH [58d]
WARNING in jbd2_journal_dirty_metadata (3) prio:high ext4 -1 21 50d 155d
KASAN: use-after-free Read in xattr_find_entry (2) prio:high ext4 19 syz, C error error 3 34d 214d PATCH [168d]
INFO: task hung in block_read_full_folio (3) prio:high ext4 1 syz, C error error 19 1d07h 226d PATCH [18d]
possible deadlock in evict (4) prio:high ext4 4 46 44d 302d
INFO: task hung in __start_renaming prio:high ext4 1 syz, C done error 71 92d 305d 💬 11 [304d]
possible deadlock in ext4_xattr_set_handle (7) prio:high ext4 4 syz, C unreliable 2502 22d 316d PATCH [73d]
possible deadlock in ext4_destroy_inline_data (2) prio:low ext4 4 syz, C error 9790 22d 323d PATCH [99d]
WARNING in get_data prio:high ext4 -1 syz, C error 1613 318d 335d
KMSAN: uninit-value in fscrypt_crypt_data_unit ext4 fscrypt prio:high 7 syz, C 202 101d 346d PATCH [93d]
INFO: rcu detected stall in unwind_next_frame (5) prio:low ext4 1 syz, C error error 63 7d07h 346d
INFO: rcu detected stall in ext4_file_mmap_prepare prio:high ext4 1 syz, C error 4 2d05h 374d
possible deadlock in do_writepages (2) prio:normal ext4 4 syz, C unreliable error 883 37d 374d
WARNING in ext4_mb_load_buddy_gfp prio:high ext4 mm -1 syz, C 167 25m 375d PATCH [365d]
INFO: rcu detected stall in wb_workfn (4) prio:normal ext4 1 syz, C error error 75 4d00h 441d 💬 2 [63d]
INFO: rcu detected stall in ext4_end_io_rsv_work (3) prio:normal mm ext4 1 syz, C error error 3 264d 501d
INFO: task hung in find_inode_fast (4) prio:high ext4 1 syz, C error error 30 31d 641d PATCH [88d]
INFO: task hung in do_get_write_access (3) prio:low ext4 1 syz, C error 1432 2h01m 671d
divide error in qnx6_mmi_fill_super prio:high ext4 2 syz, C unreliable inconclusive 7 4d12h 693d PATCH [690d]
WARNING in ext4_iomap_begin (3) prio:high ext4 -1 syz, C inconclusive error 334 4h42m 694d
possible deadlock in ext4_writepages (2) prio:high ext4 4 syz, C unreliable 21100 22d 706d 💬 1 [14d]
WARNING in ext4_journal_check_start (2) ext4 -1 syz, C inconclusive inconclusive 114 1d09h 707d PATCH [59d]
KASAN: out-of-bounds Read in ext4_xattr_set_entry prio:high ext4 22 syz, C error 8023 3h56m 733d PATCH [273d]
KASAN: use-after-free Read in ext4_inlinedir_to_tree ext4 19 syz, C done error 6 265d 757d 💬 1 [757d]
kernel BUG in ext4_mb_use_inode_pa (2) ext4 -1 syz, C error 489 1h42m 778d
WARNING in ext4_xattr_inode_lookup_create prio:low ext4 -1 syz, C inconclusive error 1006 5h51m 850d PATCH [849d]
INFO: task hung in jbd2_journal_commit_transaction (5) prio:low ext4 1 syz, C error error 3092 31m 863d
WARNING in ext4_xattr_set_entry (2) ext4 -1 syz, C error 9 864d 897d PATCH [24d]
INFO: task hung in sync_inodes_sb (5) xfs ext4 1 syz, C error inconclusive 3029 9d08h 1165d
WARNING: locking bug in ext4_ioctl ext4 4 syz, C done done 923 658d 1208d PATCH [728d]
WARNING: locking bug in __ext4_ioctl ext4 4 syz, C done error 849 675d 1208d
kernel BUG in ext4_do_writepages prio:high ext4 -1 syz, C error 5368 1h12m 1378d PATCH [60d]
kernel BUG in __ext4_journal_stop ext4 -1 syz, C error done 44 56d 1397d 💬 7 [927d]
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
KCSAN: data-race in data_push_tail / uuid_string (7) ext4 race:benign prio:high 6 1 2d20h 2d20h
KCSAN: data-race in xas_find_marked / xas_init_marks (8) ext4 race:benign prio:low 6 1 13d 13d
KCSAN: data-race in has_bh_in_lru / invalidate_bh_lru (10) race:benign prio:high ext4 6 2 7d02h 31d
WARNING: proc registration bug in jbd2_journal_destroy prio:low ext4 -1 1 58d 54d
KCSAN: data-race in copy_folio_from_iter_atomic / copy_folio_from_iter_atomic prio:low ext4 mm 6 229 18m 478d
KCSAN: data-race in find_get_block_common / has_bh_in_lru prio:low ext4 6 332 2d21h 517d
KCSAN: data-race in _prb_read_valid / data_alloc prio:low ext4 6 592 6d19h 517d
KCSAN: data-race in data_push_tail / vsnprintf (9) prio:low ext4 6 254 2d11h 581d
KCSAN: data-race in filemap_splice_read / filemap_splice_read prio:low ext4 6 1639 16h40m 1023d
KCSAN: data-race in __find_get_block / has_bh_in_lru ext4 6 syz 2497 517d 2426d