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ext4 subsystem


List(s): linux-ext4@vger.kernel.org
Fixed bugs: 179
Parent subsystem(s): fs (132)
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
KASAN: use-after-free Read in ext4_search_dir (3) ext4 prio:high actionable 19 1 7d05h 2d06h
INFO: task hung in ext4_write_end ext4 prio:high 1 syz error 3 9d06h 9d00h
INFO: task hung in ext4_load_tail_bh ext4 1 C 1 9d06h 9d00h
KASAN: use-after-free Read in ext4_xattr_list_entries (2) actionable prio:high ext4 19 3 5d15h 31d
kernel BUG in ext4_write_inline_data (5) prio:high ext4 -1 syz 4 5h01m 31d
INFO: task kworker/u8:NUM:NUM blocked in I/O wait for more than NUM seconds. (2) prio:high ext4 -1 5 46d 46d
BUG: unable to handle kernel NULL pointer dereference in qlist_free_all (10) prio:low mm ext4 10 C 3 37d 51d
possible deadlock in ext4_map_blocks (3) prio:low ext4 4 1 57d 53d
INFO: task jbd2/sda1-NUM:NUM blocked in I/O wait for more than NUM seconds. prio:low ext4 -1 C 12 45d 71d PATCH [18d]
BUG: sleeping function called from invalid context in jbd2_journal_commit_transaction prio:high ext4 5 1 79d 75d
WARNING in jbd2_journal_dirty_metadata (3) prio:high ext4 -1 4 13d 79d
KASAN: use-after-free Read in xattr_find_entry (2) prio:high ext4 19 C error error 3 128d 138d PATCH [91d]
INFO: task hung in block_read_full_folio (3) prio:high ext4 1 C error error 8 32d 149d
kernel BUG in ext4_es_cache_extent (4) prio:high ext4 -1 C error error 15 108d 152d 💬 8 [120d]
possible deadlock in wait_transaction_locked (3) prio:high ext4 4 C error 658 4h29m 192d PATCH [1d03h]
possible deadlock in evict (4) prio:high ext4 4 30 5d22h 226d
INFO: task hung in __start_renaming prio:high ext4 1 C done error 71 15d 229d 💬 11 [227d]
possible deadlock in ext4_xattr_set_handle (7) prio:high ext4 4 C unreliable 1619 5h59m 239d PATCH [11d]
possible deadlock in ext4_destroy_inline_data (2) prio:low ext4 4 C error 7722 27m 247d PATCH [22d]
possible deadlock in ext4_evict_inode (5) prio:high ext4 4 C error 533 6h53m 247d PATCH [11d]
WARNING in ext4_xattr_inode_update_ref (2) prio:low ext4 -1 C error 12411 10m 253d PATCH [23d]
WARNING in get_data prio:high ext4 -1 C error 1613 242d 259d
WARNING in ext4_write_inode (3) prio:high ext4 -1 10 36d 267d
KMSAN: uninit-value in fscrypt_crypt_data_unit ext4 fscrypt prio:high 7 C 202 25d 269d PATCH [16d]
INFO: rcu detected stall in unwind_next_frame (5) prio:low ext4 1 C error error 54 6h05m 270d
INFO: rcu detected stall in ext4_file_mmap_prepare prio:high ext4 1 C error 2 61d 297d
possible deadlock in do_writepages (2) prio:normal ext4 4 C unreliable 810 10h31m 298d
WARNING in ext4_mb_load_buddy_gfp prio:high ext4 mm -1 C 7 132d 298d PATCH [289d]
possible deadlock in ext4_truncate (2) prio:high ext4 4 C unreliable error 3 83d 319d 💬 4 [319d]
INFO: rcu detected stall in wb_workfn (4) prio:normal ext4 1 C error error 65 28d 364d 💬 1 [224d]
KASAN: slab-use-after-free Read in __ext4_check_dir_entry prio:high ext4 19 C error error 6 20d 375d PATCH [5d02h]
INFO: rcu detected stall in ext4_end_io_rsv_work (3) prio:normal mm ext4 1 C error error 3 187d 424d
kernel BUG in ext4_ext_insert_extent (2) prio:high ext4 -1 C done error 38 118d 455d
INFO: task hung in find_inode_fast (4) ext4 1 C error error 25 6d17h 565d PATCH [11d]
INFO: task hung in do_get_write_access (3) prio:low ext4 1 C error 467 13d 594d
divide error in qnx6_mmi_fill_super prio:high ext4 2 C unreliable inconclusive 7 7d05h 616d PATCH [614d]
WARNING in ext4_iomap_begin (3) prio:high ext4 -1 C inconclusive error 132 8d18h 617d
possible deadlock in ext4_writepages (2) prio:high ext4 4 C unreliable 16173 6m 629d 💬 1 [9h57m]
WARNING in ext4_journal_check_start (2) ext4 -1 C inconclusive inconclusive 79 31d 631d PATCH [427d]
possible deadlock in ext4_xattr_inode_lookup_create prio:high ext4 4 C done error 287 50d 650d
KASAN: out-of-bounds Read in ext4_xattr_set_entry prio:high ext4 22 C error 7758 8h51m 657d PATCH [197d]
KASAN: use-after-free Read in ext4_inlinedir_to_tree ext4 19 C done error 6 189d 681d 💬 1 [680d]
kernel BUG in ext4_mb_use_inode_pa (2) ext4 -1 C error 349 9d19h 702d
WARNING in ext4_xattr_inode_lookup_create prio:low ext4 -1 C inconclusive error 1002 3d07h 773d PATCH [773d]
INFO: task hung in jbd2_journal_commit_transaction (5) ext4 1 C error error 2204 10d 787d
INFO: task hung in do_renameat2 (2) prio:high ext4 1 C inconclusive error 278 188d 796d
WARNING in ext4_xattr_set_entry (2) ext4 -1 C error 9 787d 820d
INFO: task hung in sync_inodes_sb (5) xfs ext4 1 C error inconclusive 2999 6h41m 1089d
WARNING: locking bug in ext4_ioctl ext4 4 C done done 923 581d 1132d PATCH [651d]
WARNING: locking bug in __ext4_ioctl ext4 4 C done error 849 598d 1132d
kernel BUG in ext4_do_writepages prio:high ext4 -1 C error 3549 2h23m 1301d PATCH [7d17h]
kernel BUG in __ext4_journal_stop ext4 -1 C error done 43 3d10h 1320d 💬 7 [850d]
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
KCSAN: data-race in __filemap_add_folio / sync_bdevs (4) ext4 race:benign prio:low 6 1 11d 11d
KCSAN: data-race in xas_find_marked / xas_init_marks (7) ext4 race:benign prio:low 6 2 7d09h 19d
KCSAN: data-race in data_push_tail / uuid_string (6) race:benign prio:high ext4 6 2 14d 40d
KCSAN: data-race in _copy_to_iter / string (6) race:benign prio:high ext4 6 1 55d 55d
KCSAN: data-race in _copy_to_iter / kmmpd (4) prio:low ext4 6 2 53d 67d
KCSAN: data-race in has_bh_in_lru / invalidate_bh_lru (9) prio:high ext4 6 6 30d 149d
KCSAN: data-race in atime_needs_update / inode_update_time prio:low ext4 6 13 4d14h 151d
KCSAN: data-race in _prb_read_valid / prb_reserve_in_last (2) prio:low ext4 6 40 1d11h 352d
KCSAN: data-race in copy_folio_from_iter_atomic / copy_folio_from_iter_atomic prio:low ext4 6 191 1d22h 401d
KCSAN: data-race in find_get_block_common / has_bh_in_lru prio:low ext4 6 308 2d16h 440d
KCSAN: data-race in _prb_read_valid / data_alloc net ext4 prio:low 6 531 1d04h 441d
KCSAN: data-race in data_push_tail / vsnprintf (9) prio:low ext4 net 6 235 2d17h 504d
KCSAN: data-race in data_alloc / data_push_tail (3) prio:low ext4 6 73 3d22h 671d
KCSAN: data-race in atime_needs_update / touch_atime (2) prio:low ext4 6 679 1d01h 890d
KCSAN: data-race in __filemap_add_folio / nr_blockdev_pages (3) prio:low ext4 mm 6 177 2d06h 944d
KCSAN: data-race in filemap_splice_read / filemap_splice_read prio:low ext4 6 1578 2d11h 946d
KCSAN: data-race in data_alloc / prb_reserve net ext4 prio:low 6 1283 1d01h 1933d
KCSAN: data-race in _prb_read_valid / prb_reserve bridge ext4 prio:high 6 3912 3d12h 2069d
KCSAN: data-race in __find_get_block / has_bh_in_lru ext4 6 syz 2497 441d 2350d