ext4 subsystem


List(s): linux-ext4@vger.kernel.org
Fixed bugs: 187
Parent subsystem(s): fs (140)
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
WARNING in __folio_set_anon mm ext4 prio:low -1 syz, C 4 3d00h 2d08h PATCH [1d04h]
WARNING in ext4_write_inode (4) ext4 prio:low -1 2 2d15h 3d18h
INFO: task hung in do_new_mount (4) prio:high fuse ext4 1 syz 8 1d17h 4d21h
KASAN: use-after-free Read in ext4_read_inline_data (2) ext4 prio:high 19 syz, C error 1 12d 11d PATCH [1d21h]
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 28d 47d PATCH [40d]
WARNING in __ext4_handle_dirty_metadata prio:low ext4 -1 1 64d 60d
kernel BUG in ext4_write_inline_data_end (3) prio:normal ext4 -1 syz 1 58d 72d PATCH [65d]
KASAN: use-after-free Read in ext4_search_dir (3) prio:high actionable ext4 19 2 55d 79d
INFO: task hung in ext4_write_end prio:high ext4 1 syz error 16 22d 86d PATCH [11d]
INFO: task hung in ext4_load_tail_bh prio:high ext4 1 syz, C 1 70d 86d
KASAN: use-after-free Read in ext4_xattr_list_entries (2) actionable prio:high ext4 19 7 36d 108d
kernel BUG in ext4_write_inline_data (5) prio:high ext4 -1 syz error error 28 39d 109d
BUG: unable to handle kernel NULL pointer dereference in qlist_free_all (10) prio:low mm ext4 10 syz, C 3 114d 128d
INFO: task jbd2/sda1-NUM:NUM blocked in I/O wait for more than NUM seconds. prio:low ext4 -1 syz, C 12 122d 148d PATCH [59d]
WARNING in jbd2_journal_dirty_metadata (3) prio:high ext4 -1 21 51d 156d
KASAN: use-after-free Read in xattr_find_entry (2) prio:high ext4 19 syz, C error error 3 34d 215d PATCH [168d]
INFO: task hung in block_read_full_folio (3) prio:high ext4 1 syz, C error error 19 2d00h 226d PATCH [18d]
possible deadlock in evict (4) prio:high ext4 4 46 44d 303d
INFO: task hung in __start_renaming prio:high ext4 1 syz, C done error 71 92d 306d 💬 11 [305d]
possible deadlock in ext4_xattr_set_handle (7) prio:high ext4 4 syz, C unreliable 2502 23d 317d PATCH [74d]
possible deadlock in ext4_destroy_inline_data (2) prio:low ext4 4 syz, C error 9790 23d 324d PATCH [99d]
WARNING in get_data prio:high ext4 -1 syz, C error 1613 319d 336d
KMSAN: uninit-value in fscrypt_crypt_data_unit ext4 fscrypt prio:high 7 syz, C 202 102d 346d PATCH [94d]
INFO: rcu detected stall in unwind_next_frame (5) prio:low ext4 1 syz, C error error 63 7d23h 347d
INFO: rcu detected stall in ext4_file_mmap_prepare prio:high ext4 1 syz, C error 4 2d22h 374d
possible deadlock in do_writepages (2) prio:normal ext4 4 syz, C unreliable error 883 38d 375d
WARNING in ext4_mb_load_buddy_gfp prio:high ext4 mm -1 syz, C 168 7m 376d PATCH [366d]
INFO: rcu detected stall in wb_workfn (4) prio:normal ext4 1 syz, C error error 75 4d16h 441d 💬 2 [63d]
INFO: rcu detected stall in ext4_end_io_rsv_work (3) prio:normal mm ext4 1 syz, C error error 3 265d 502d
INFO: task hung in find_inode_fast (4) prio:high ext4 1 syz, C error error 30 31d 642d PATCH [89d]
INFO: task hung in do_get_write_access (3) prio:low ext4 1 syz, C error 1443 1h08m 671d
divide error in qnx6_mmi_fill_super prio:high ext4 2 syz, C unreliable inconclusive 7 5d05h 693d PATCH [691d]
WARNING in ext4_iomap_begin (3) prio:high ext4 -1 syz, C inconclusive error 334 21h09m 695d
possible deadlock in ext4_writepages (2) prio:high ext4 4 syz, C unreliable 21100 23d 706d 💬 1 [15d]
WARNING in ext4_journal_check_start (2) ext4 -1 syz, C inconclusive inconclusive 114 2d01h 708d PATCH [59d]
KASAN: out-of-bounds Read in ext4_xattr_set_entry prio:high ext4 22 syz, C error 8025 2h21m 734d PATCH [274d]
KASAN: use-after-free Read in ext4_inlinedir_to_tree ext4 19 syz, C done error 6 266d 758d 💬 1 [758d]
kernel BUG in ext4_mb_use_inode_pa (2) ext4 -1 syz, C error 491 1h52m 779d
WARNING in ext4_xattr_inode_lookup_create prio:low ext4 -1 syz, C inconclusive error 1006 22h17m 850d PATCH [850d]
INFO: task hung in jbd2_journal_commit_transaction (5) prio:low ext4 1 syz, C error error 3100 3h15m 864d
WARNING in ext4_xattr_set_entry (2) ext4 -1 syz, C error 9 864d 898d PATCH [25d]
INFO: task hung in sync_inodes_sb (5) xfs ext4 1 syz, C error inconclusive 3030 1h04m 1166d
WARNING: locking bug in ext4_ioctl ext4 4 syz, C done done 923 658d 1209d PATCH [728d]
WARNING: locking bug in __ext4_ioctl ext4 4 syz, C done error 849 675d 1209d
kernel BUG in ext4_do_writepages prio:high ext4 -1 syz, C error 5371 41m 1378d PATCH [61d]
kernel BUG in __ext4_journal_stop ext4 -1 syz, C error done 44 56d 1398d 💬 7 [928d]
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 3d12h 3d12h
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 7d19h 32d
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 16h44m 478d
KCSAN: data-race in find_get_block_common / has_bh_in_lru prio:low ext4 6 332 3d13h 517d
KCSAN: data-race in _prb_read_valid / data_alloc prio:low ext4 6 593 5h59m 518d
KCSAN: data-race in data_push_tail / vsnprintf (9) prio:low ext4 6 254 3d03h 582d
KCSAN: data-race in filemap_splice_read / filemap_splice_read prio:low ext4 6 1640 7h03m 1024d
KCSAN: data-race in __find_get_block / has_bh_in_lru ext4 6 syz 2497 518d 2427d