ext4 subsystem


List(s): linux-ext4@vger.kernel.org
Fixed bugs: 188
Parent subsystem(s): fs (141)
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
KASAN: slab-use-after-free Write in do_split ext4 prio:high 22 syz, C done 6 1d13h 1d05h 💬 1 [1d02h]
WARNING in ext4_write_inode (4) ext4 prio:low -1 2 6d05h 7d08h
INFO: task hung in do_new_mount (4) prio:high fuse ext4 1 syz 8 5d07h 8d11h
KASAN: use-after-free Read in ext4_read_inline_data (2) ext4 prio:high 19 syz, C error 1 16d 15d PATCH [5d11h]
linux-next test error: general protection fault in __bh_submit ext4 prio:high -1 2 27d 24d 💬 1 [23d]
KASAN: use-after-free Read in register_bcache prio:high ext4 bcache 19 syz, C 11 31d 51d PATCH [44d]
WARNING in __ext4_handle_dirty_metadata prio:low ext4 -1 1 68d 64d
kernel BUG in ext4_write_inline_data_end (3) prio:normal ext4 -1 syz 1 62d 75d PATCH [68d]
KASAN: use-after-free Read in ext4_search_dir (3) prio:high actionable ext4 19 2 58d 83d
INFO: task hung in ext4_write_end prio:high ext4 1 syz error 16 26d 89d PATCH [15d]
INFO: task hung in ext4_load_tail_bh prio:high ext4 1 syz, C 1 73d 89d
KASAN: use-after-free Read in ext4_xattr_list_entries (2) actionable prio:high ext4 19 7 40d 112d
kernel BUG in ext4_write_inline_data (5) prio:high ext4 -1 syz error error 28 42d 112d
BUG: unable to handle kernel NULL pointer dereference in qlist_free_all (10) prio:low mm ext4 10 syz, C 3 117d 131d
INFO: task jbd2/sda1-NUM:NUM blocked in I/O wait for more than NUM seconds. prio:low ext4 -1 syz, C 12 126d 152d PATCH [63d]
WARNING in jbd2_journal_dirty_metadata (3) prio:high ext4 -1 21 55d 160d
KASAN: use-after-free Read in xattr_find_entry (2) prio:high ext4 19 syz, C error error 3 38d 219d PATCH [172d]
INFO: task hung in block_read_full_folio (3) prio:high ext4 1 syz, C error error 19 5d14h 230d PATCH [22d]
possible deadlock in evict (4) prio:high ext4 4 46 48d 307d
INFO: task hung in __start_renaming prio:high ext4 1 syz, C done error 71 96d 310d 💬 11 [308d]
possible deadlock in ext4_xattr_set_handle (7) prio:high ext4 4 syz, C unreliable 2502 26d 320d PATCH [77d]
possible deadlock in ext4_destroy_inline_data (2) prio:low ext4 4 syz, C error 9790 26d 328d PATCH [103d]
WARNING in get_data prio:high ext4 -1 syz, C error 1613 322d 340d
KMSAN: uninit-value in fscrypt_crypt_data_unit ext4 fscrypt prio:high 7 syz, C 202 105d 350d PATCH [97d]
INFO: rcu detected stall in unwind_next_frame (5) prio:low ext4 1 syz, C error error 63 11d 351d
INFO: rcu detected stall in ext4_file_mmap_prepare prio:high ext4 1 syz, C error 4 6d12h 378d
possible deadlock in do_writepages (2) prio:normal ext4 4 syz, C unreliable error 883 41d 378d
WARNING in ext4_mb_load_buddy_gfp prio:high ext4 mm -1 syz, C 183 1h24m 379d PATCH [370d]
INFO: rcu detected stall in wb_workfn (4) prio:normal ext4 1 syz, C error error 76 2d01h 445d 💬 2 [67d]
INFO: rcu detected stall in ext4_end_io_rsv_work (3) prio:normal mm ext4 1 syz, C error error 3 268d 505d
INFO: task hung in find_inode_fast (4) prio:high ext4 1 syz, C error error 30 35d 646d PATCH [92d]
INFO: task hung in do_get_write_access (3) prio:low ext4 1 syz, C error 1560 5h47m 675d
divide error in qnx6_mmi_fill_super prio:high ext4 2 syz, C unreliable inconclusive 7 8d19h 697d PATCH [694d]
WARNING in ext4_iomap_begin (3) prio:high ext4 -1 syz, C inconclusive error 338 2d00h 698d
possible deadlock in ext4_writepages (2) prio:high ext4 4 syz, C unreliable 21100 26d 710d 💬 1 [18d]
WARNING in ext4_journal_check_start (2) ext4 -1 syz, C inconclusive inconclusive 116 17h01m 712d PATCH [63d]
KASAN: out-of-bounds Read in ext4_xattr_set_entry prio:high ext4 22 syz, C error 8040 5h46m 738d PATCH [278d]
KASAN: use-after-free Read in ext4_inlinedir_to_tree ext4 19 syz, C done error 6 270d 762d 💬 1 [761d]
kernel BUG in ext4_mb_use_inode_pa (2) ext4 -1 syz, C error 498 6h08m 782d
WARNING in ext4_xattr_inode_lookup_create prio:low ext4 -1 syz, C inconclusive error 1006 4d12h 854d PATCH [854d]
INFO: task hung in jbd2_journal_commit_transaction (5) prio:low ext4 1 syz, C error error 3216 18m 867d
WARNING in ext4_xattr_set_entry (2) ext4 -1 syz, C error 9 868d 901d PATCH [28d]
INFO: task hung in sync_inodes_sb (5) xfs ext4 1 syz, C error inconclusive 3032 3d04h 1169d
WARNING: locking bug in ext4_ioctl ext4 4 syz, C done done 923 662d 1212d PATCH [732d]
WARNING: locking bug in __ext4_ioctl ext4 4 syz, C done error 849 679d 1212d
kernel BUG in ext4_do_writepages prio:high ext4 -1 syz, C error 5398 1d04h 1382d PATCH [64d]
kernel BUG in __ext4_journal_stop ext4 -1 syz, C error done 44 60d 1401d 💬 7 [931d]
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 7d02h 7d02h
KCSAN: data-race in xas_find_marked / xas_init_marks (8) ext4 race:benign prio:low 6 1 17d 17d
KCSAN: data-race in has_bh_in_lru / invalidate_bh_lru (10) race:benign prio:high ext4 6 C 4 2d15h 35d
WARNING: proc registration bug in jbd2_journal_destroy prio:low ext4 -1 1 62d 58d
KCSAN: data-race in copy_folio_from_iter_atomic / copy_folio_from_iter_atomic prio:low ext4 mm 6 230 15h29m 482d
KCSAN: data-race in find_get_block_common / has_bh_in_lru prio:low ext4 6 333 1d12h 521d
KCSAN: data-race in _prb_read_valid / data_alloc prio:low ext4 6 595 2d08h 522d
KCSAN: data-race in data_push_tail / vsnprintf (9) prio:low ext4 6 255 2d17h 585d
KCSAN: data-race in __find_get_block / has_bh_in_lru ext4 6 syz 2497 522d 2431d