ext4 subsystem


List(s): linux-ext4@vger.kernel.org
Fixed bugs: 190
Parent subsystem(s): fs (143)
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
possible deadlock in dqget (3) ext4 4 1 7d23h 3d23h
KASAN: slab-use-after-free Write in do_split prio:high ext4 22 syz, C done 6 10h55m 30d PATCH [23d]
WARNING in ext4_write_inode (4) prio:low ext4 -1 2 35d 36d
INFO: task hung in do_new_mount (4) prio:high ext4 fuse 1 syz 8 16d 37d
KASAN: use-after-free Read in ext4_read_inline_data (2) prio:high ext4 19 syz, C error 1 28d 44d PATCH [10d]
linux-next test error: general protection fault in __bh_submit prio:high ext4 -1 2 56d 53d 💬 1 [52d]
KASAN: use-after-free Read in register_bcache prio:high ext4 bcache 19 syz, C 11 61d 80d PATCH [16d]
WARNING in __ext4_handle_dirty_metadata prio:low ext4 -1 1 97d 93d
kernel BUG in ext4_write_inline_data_end (3) prio:normal ext4 -1 syz 1 91d 105d PATCH [97d]
KASAN: use-after-free Read in ext4_search_dir (3) prio:high actionable ext4 19 2 87d 112d
KASAN: use-after-free Read in ext4_xattr_list_entries (2) actionable prio:high ext4 19 8 15d 141d
BUG: unable to handle kernel NULL pointer dereference in qlist_free_all (10) prio:low mm ext4 10 syz, C 3 147d 161d
INFO: task jbd2/sda1-NUM:NUM blocked in I/O wait for more than NUM seconds. prio:low ext4 -1 syz, C 12 155d 181d PATCH [92d]
KASAN: use-after-free Read in xattr_find_entry (2) prio:high ext4 19 syz, C error error 3 67d 248d PATCH [201d]
INFO: task hung in block_read_full_folio (3) prio:high ext4 1 syz, C error error 19 15d 259d PATCH [51d]
possible deadlock in evict (4) prio:high ext4 4 46 77d 336d
INFO: task hung in __start_renaming prio:high ext4 1 syz, C done error 71 125d 339d 💬 11 [337d]
possible deadlock in ext4_xattr_set_handle (7) prio:high ext4 4 syz, C unreliable done 2502 55d 350d PATCH [107d]
possible deadlock in ext4_destroy_inline_data (2) prio:low ext4 4 syz, C error error 9790 55d 357d PATCH [132d]
INFO: rcu detected stall in unwind_next_frame (5) prio:low ext4 1 syz, C error error 70 2d21h 380d
INFO: rcu detected stall in ext4_file_mmap_prepare prio:high ext4 1 syz, C error 4 35d 407d
possible deadlock in do_writepages (2) prio:normal ext4 4 syz, C unreliable error 883 70d 408d
WARNING in ext4_mb_load_buddy_gfp prio:high ext4 mm -1 syz, C 470 1h41m 409d PATCH [399d]
INFO: rcu detected stall in wb_workfn (4) prio:normal ext4 1 syz, C error error 78 18d 474d 💬 2 [17d]
INFO: rcu detected stall in ext4_end_io_rsv_work (3) prio:normal mm ext4 1 syz, C error error 3 297d 534d
INFO: task hung in find_inode_fast (4) prio:high ext4 1 syz, C error error 30 64d 675d PATCH [121d]
INFO: task hung in do_get_write_access (3) prio:low ext4 1 syz, C error 1997 5h23m 704d
WARNING in ext4_iomap_begin (3) prio:high ext4 -1 syz, C inconclusive error 354 13h55m 727d
possible deadlock in ext4_writepages (2) prio:high ext4 4 syz, C unreliable done 21100 55d 739d 💬 1 [5d13h]
WARNING in ext4_journal_check_start (2) ext4 -1 syz, C inconclusive inconclusive 193 2d22h 741d PATCH [92d]
KASAN: out-of-bounds Read in ext4_xattr_set_entry prio:high ext4 22 syz, C error 8144 37m 767d PATCH [307d]
KASAN: use-after-free Read in ext4_inlinedir_to_tree ext4 19 syz, C done error 6 299d 791d 💬 1 [790d]
kernel BUG in ext4_mb_use_inode_pa (2) ext4 -1 syz, C error 535 1h03m 812d
WARNING in ext4_xattr_inode_lookup_create prio:low ext4 -1 syz, C inconclusive error 1007 3d18h 883d PATCH [883d]
INFO: task hung in jbd2_journal_commit_transaction (5) prio:low ext4 1 syz, C error error 3582 5h23m 897d
INFO: task hung in sync_inodes_sb (5) xfs ext4 1 syz, C error inconclusive 3032 32d 1199d
WARNING: locking bug in ext4_ioctl ext4 4 syz, C done done 923 691d 1242d PATCH [761d]
WARNING: locking bug in __ext4_ioctl ext4 4 syz, C done error 849 708d 1242d
kernel BUG in ext4_do_writepages prio:high ext4 -1 syz, C error 6021 18m 1411d PATCH [93d]
kernel BUG in __ext4_journal_stop ext4 -1 syz, C error done 44 89d 1430d 💬 7 [960d]
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
KCSAN: data-race in _copy_to_iter / vsnprintf (2) race:benign prio:low ext4 6 1 8d14h 8d14h
KCSAN: data-race in data_push_tail / uuid_string (7) race:benign prio:high ext4 6 2 15d 36d
KCSAN: data-race in xas_find_marked / xas_init_marks (8) race:benign prio:low ext4 6 C 2 27d 46d
KCSAN: data-race in has_bh_in_lru / invalidate_bh_lru (10) race:benign prio:high exfat ext4 6 C 5 23d 65d
WARNING: proc registration bug in jbd2_journal_destroy prio:low ext4 -1 3 13d 87d
KCSAN: data-race in __follow_mount_rcu / d_set_mounted prio:low ext4 6 27 5d06h 329d
KCSAN: data-race in _prb_read_valid / prb_reserve_in_last (2) prio:low ext4 isofs 6 52 6d22h 462d
KCSAN: data-race in copy_folio_from_iter_atomic / copy_folio_from_iter_atomic prio:low ext4 6 C 239 3d08h 511d
KCSAN: data-race in find_get_block_common / has_bh_in_lru prio:low ext4 exfat 6 342 1d23h 550d
KCSAN: data-race in _prb_read_valid / data_alloc prio:low ext4 6 606 5d03h 551d
KCSAN: data-race in data_push_tail / vsnprintf (9) prio:low ext4 6 259 22h10m 614d
KCSAN: data-race in filemap_splice_read / filemap_splice_read prio:low ext4 6 C 1666 1d05h 1056d
KCSAN: data-race in __find_get_block / has_bh_in_lru ext4 6 syz 2497 551d 2460d