ext4 subsystem


List(s): linux-ext4@vger.kernel.org
Fixed bugs: 190
Parent subsystem(s): fs (133)
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
INFO: task hung in bdev_freeze prio:low block ext4 1 syz, C 2 1d23h 1d23h PATCH [38m]
memory leak in __pcs_replace_full_main btrfs ext4 ntfs3 prio:high 3 syz 1 10d 6d15h
BUG: unable to handle kernel paging request in blk_mq_exit_hctx prio:low block ext4 8 syz, C 4 7d07h 9d11h PATCH [5d19h]
WARNING in ext4_do_writepages ext4 prio:low -1 syz, C error 246 54m 11d 💬 1 [9d12h]
possible deadlock in dqget (3) ext4 4 1 21d 17d
KASAN: slab-use-after-free Write in do_split prio:high ext4 22 syz, C done 6 13d 43d PATCH [5d05h]
WARNING in ext4_write_inode (4) prio:low ext4 -1 2 48d 49d
INFO: task hung in do_new_mount (4) prio:high ext4 fuse 1 syz 8 30d 50d
KASAN: use-after-free Read in ext4_read_inline_data (2) prio:high ext4 19 syz, C error 1 9d07h 57d PATCH [24d]
linux-next test error: general protection fault in __bh_submit prio:high ext4 -1 2 70d 66d 💬 1 [65d]
KASAN: use-after-free Read in register_bcache prio:high ext4 bcache 19 syz, C 11 74d 93d PATCH [29d]
kernel BUG in ext4_write_inline_data_end (3) prio:normal ext4 -1 syz 1 104d 118d PATCH [111d]
KASAN: use-after-free Read in ext4_xattr_list_entries (2) actionable prio:high ext4 19 8 29d 154d
BUG: unable to handle kernel NULL pointer dereference in qlist_free_all (10) prio:low mm ext4 10 syz, C 3 160d 174d
INFO: task jbd2/sda1-NUM:NUM blocked in I/O wait for more than NUM seconds. prio:low ext4 -1 syz, C 12 168d 194d PATCH [105d]
KASAN: use-after-free Read in xattr_find_entry (2) prio:high ext4 19 syz, C error error 3 10d 261d PATCH [214d]
INFO: task hung in block_read_full_folio (3) prio:high ext4 1 syz, C error error 19 28d 272d PATCH [64d]
INFO: task hung in __start_renaming prio:high ext4 1 syz, C done error 71 139d 352d 💬 11 [351d]
possible deadlock in ext4_xattr_set_handle (7) prio:high ext4 4 syz, C unreliable done 2502 69d 363d PATCH [120d]
possible deadlock in ext4_destroy_inline_data (2) prio:low ext4 4 syz, C error error 9790 69d 370d PATCH [146d]
INFO: rcu detected stall in unwind_next_frame (5) prio:low ext4 1 syz, C error error 71 10d 393d
INFO: rcu detected stall in ext4_file_mmap_prepare prio:high ext4 1 syz, C error 4 48d 420d
possible deadlock in do_writepages (2) prio:normal ext4 4 syz, C unreliable error 883 84d 421d
WARNING in ext4_mb_load_buddy_gfp prio:high ext4 mm -1 syz, C 580 3h35m 422d PATCH [412d]
INFO: rcu detected stall in wb_workfn (4) prio:normal ext4 1 syz, C error error 79 8d12h 488d 💬 2 [30d]
INFO: rcu detected stall in ext4_end_io_rsv_work (3) prio:normal mm ext4 1 syz, C error error 3 311d 548d
INFO: task hung in find_inode_fast (4) prio:high ext4 1 syz, C error error 30 77d 688d PATCH [135d]
INFO: task hung in do_get_write_access (3) prio:low ext4 1 syz, C error 2096 11h06m 717d
WARNING in ext4_iomap_begin (3) prio:high ext4 -1 syz, C inconclusive error 358 1d06h 741d
possible deadlock in ext4_writepages (2) prio:high ext4 4 syz, C unreliable done 21100 69d 752d 💬 1 [18d]
WARNING in ext4_journal_check_start (2) ext4 prio:low -1 syz, C inconclusive inconclusive 204 14h20m 754d PATCH [106d]
KASAN: out-of-bounds Read in ext4_xattr_set_entry prio:high ext4 22 syz, C error 8184 7h42m 780d PATCH [320d]
KASAN: use-after-free Read in ext4_inlinedir_to_tree ext4 19 syz, C done error 6 312d 804d 💬 1 [804d]
kernel BUG in ext4_mb_use_inode_pa (2) ext4 -1 syz, C error 544 3d08h 825d
WARNING in ext4_xattr_inode_lookup_create prio:low ext4 -1 syz, C inconclusive error 1007 17d 896d PATCH [896d]
INFO: task hung in jbd2_journal_commit_transaction (5) prio:low ext4 1 syz, C error error 3667 11h06m 910d
INFO: task hung in sync_inodes_sb (5) xfs ext4 1 syz, C error inconclusive 3032 45d 1212d
WARNING: locking bug in ext4_ioctl ext4 4 syz, C done done 923 704d 1255d PATCH [774d]
WARNING: locking bug in __ext4_ioctl ext4 4 syz, C done error 849 721d 1255d
kernel BUG in ext4_do_writepages prio:high ext4 -1 syz, C error 6056 18h06m 1424d PATCH [107d]
kernel BUG in __ext4_journal_stop ext4 -1 syz, C error done 44 102d 1444d 💬 7 [974d]
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 21d 21d
KCSAN: data-race in data_push_tail / uuid_string (7) race:benign prio:high ext4 6 2 29d 49d
KCSAN: data-race in xas_find_marked / xas_init_marks (8) race:benign prio:low ext4 6 C 2 11d 59d
KCSAN: data-race in has_bh_in_lru / invalidate_bh_lru (10) race:benign prio:high exfat ext4 6 C 5 37d 78d PATCH [49m]
WARNING: proc registration bug in jbd2_journal_destroy prio:low ext4 -1 3 26d 101d
KCSAN: data-race in __follow_mount_rcu / d_set_mounted prio:low ext4 6 27 18d 343d
KCSAN: data-race in _prb_read_valid / prb_reserve_in_last (2) prio:low ext4 isofs 6 53 3d19h 475d
KCSAN: data-race in copy_folio_from_iter_atomic / copy_folio_from_iter_atomic prio:low ext4 6 C 244 2d08h 524d
KCSAN: data-race in find_get_block_common / has_bh_in_lru prio:low ext4 exfat 6 349 8h30m 563d
KCSAN: data-race in _prb_read_valid / data_alloc prio:low ext4 6 607 7d21h 564d
KCSAN: data-race in data_push_tail / vsnprintf (9) prio:low ext4 6 260 9d18h 628d
KCSAN: data-race in filemap_splice_read / filemap_splice_read prio:low ext4 6 C 1678 2d15h 1070d
KCSAN: data-race in __find_get_block / has_bh_in_lru ext4 6 syz 2497 564d 2473d