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ext4 subsystem


List(s): linux-ext4@vger.kernel.org
Fixed bugs: 176
Parent subsystem(s): fs (138)
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
possible deadlock in lock_two_nondirectories (2) overlayfs ext4 4 C error 7 1d20h 2d02h
BUG: unable to handle kernel NULL pointer dereference in qlist_free_all (10) prio:low mm ext4 10 C 3 2d18h 16d
possible deadlock in ext4_map_blocks (3) ext4 prio:low 4 1 22d 18d
general protection fault in jbd2_journal_dirty_metadata (2) prio:high ext4 2 C error 25 1d17h 33d PATCH [2d09h]
INFO: task jbd2/sda1-NUM:NUM blocked in I/O wait for more than NUM seconds. prio:low ext4 -1 C 12 11d 36d PATCH [33d]
BUG: sleeping function called from invalid context in jbd2_journal_commit_transaction ext4 prio:high 5 1 45d 41d
WARNING in jbd2_journal_dirty_metadata (3) ext4 prio:high -1 1 49d 45d
kernel BUG in ext4_ext_map_blocks ext4 prio:high -1 2 95d 97d
KASAN: use-after-free Read in xattr_find_entry (2) ext4 prio:high 19 C error error 3 93d 103d PATCH [57d]
INFO: task hung in block_read_full_folio (3) ext4 prio:high 1 C error error 7 58d 115d
kernel BUG in ext4_es_cache_extent (4) prio:high ext4 -1 C error error 15 74d 117d 💬 8 [86d]
possible deadlock in wait_transaction_locked (3) ext4 prio:high 4 C error 387 36m 158d 💬 1 [103d]
kernel BUG in ext4_mb_normalize_request (2) prio:high ext4 -1 15 71d 160d
possible deadlock in evict (4) prio:high ext4 4 20 8d18h 192d
possible deadlock in ext4_xattr_set_handle (7) prio:high ext4 4 C unreliable 654 10m 205d
possible deadlock in ext4_destroy_inline_data (2) prio:low ext4 4 C error 4605 now 213d 💬 5 [28d]
possible deadlock in ext4_evict_inode (5) ext4 prio:high 4 C error 479 7h22m 213d
WARNING in ext4_xattr_inode_update_ref (2) ext4 prio:low -1 C error 9445 48m 219d 💬 2 [28d]
WARNING in get_data ext4 prio:high -1 C error 1613 207d 225d
WARNING in ext4_write_inode (3) prio:high ext4 -1 10 2d10h 233d
KMSAN: uninit-value in fscrypt_crypt_data_unit ext4 fscrypt prio:high 7 C 189 1d00h 235d 💬 6 [176d]
INFO: rcu detected stall in unwind_next_frame (5) ext4 prio:low 1 C error error 51 1d10h 235d
INFO: rcu detected stall in ext4_file_mmap_prepare ext4 prio:high 1 C error 2 27d 263d
possible deadlock in do_writepages (2) ext4 prio:normal 4 C unreliable 762 1h32m 263d
WARNING in ext4_mb_load_buddy_gfp ext4 mm prio:high -1 C 7 98d 264d PATCH [255d]
possible deadlock in ext4_truncate (2) prio:high ext4 4 C unreliable error 3 48d 285d 💬 4 [284d]
INFO: rcu detected stall in wb_workfn (4) prio:normal ext4 1 C error error 64 9d04h 330d 💬 1 [190d]
KASAN: slab-use-after-free Read in __ext4_check_dir_entry prio:high ext4 19 C error error 6 31d 341d PATCH [327d]
KASAN: use-after-free Read in ext4_ext_insert_extent prio:high ext4 22 C done error 10 93d 377d 💬 1 [248d]
INFO: rcu detected stall in ext4_end_io_rsv_work (3) prio:normal ext4 mm 1 C error error 3 153d 390d
kernel BUG in ext4_ext_insert_extent (2) ext4 prio:high -1 C done error 38 84d 421d
WARNING in __jbd2_log_wait_for_space ocfs2 ext4 -1 C inconclusive done 6 199d 519d
KASAN: use-after-free Read in ext4_find_extent (4) ext4 prio:high 19 C done error 307 69d 523d PATCH [196d]
INFO: task hung in find_inode_fast (4) ext4 1 C error error 22 18d 530d
INFO: task hung in do_get_write_access (3) prio:low ext4 1 C error 466 4d01h 560d
divide error in qnx6_mmi_fill_super ext4 prio:high 2 C unreliable inconclusive 7 76d 582d PATCH [579d]
WARNING in ext4_iomap_begin (3) ext4 prio:high -1 C inconclusive 131 23d 583d
possible deadlock in ext4_writepages (2) ext4 prio:high 4 C unreliable 9490 now 595d 💬 1 [28d]
WARNING in ext4_journal_check_start (2) ext4 -1 C inconclusive inconclusive 78 11d 596d PATCH [393d]
possible deadlock in ext4_xattr_inode_lookup_create ext4 prio:high 4 C done error 287 16d 616d
KASAN: out-of-bounds Read in ext4_xattr_set_entry prio:high ext4 22 C error 7558 5h58m 622d PATCH [162d]
KASAN: use-after-free Read in ext4_inlinedir_to_tree ext4 19 C done error 6 154d 647d 💬 1 [646d]
kernel BUG in ext4_mb_use_inode_pa (2) ext4 -1 C error 302 11m 667d
WARNING in ext4_xattr_inode_lookup_create prio:low ext4 -1 C inconclusive 996 29d 739d PATCH [738d]
INFO: task hung in jbd2_journal_commit_transaction (5) ext4 1 C error error 2191 10h52m 752d
INFO: task hung in do_renameat2 (2) prio:high ext4 1 C inconclusive error 278 154d 761d
WARNING in ext4_xattr_set_entry (2) ext4 -1 C error 9 753d 786d
kernel BUG in ext4_write_inline_data_end (2) ext4 -1 C inconclusive error 173 43d 855d PATCH [330d]
INFO: task hung in sync_inodes_sb (5) xfs ext4 1 C error inconclusive 2951 2d17h 1054d
WARNING: locking bug in ext4_ioctl ext4 4 C done done 923 547d 1097d PATCH [617d]
WARNING: locking bug in __ext4_ioctl ext4 4 C done error 849 564d 1097d
kernel BUG in ext4_do_writepages ext4 prio:high -1 C error 3185 2h33m 1267d 💬 9 [28d]
kernel BUG in __ext4_journal_stop ext4 -1 C error done 42 21d 1286d 💬 7 [816d]
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
KASAN: use-after-free Read in ext4_xattr_list_entries (2) ext4 19 1 4d03h 3h04m
KCSAN: data-race in data_push_tail / uuid_string (6) ext4 race:benign prio:high 6 1 6d14h 6d14h
KCSAN: data-race in _copy_to_iter / string (6) ext4 race:benign prio:high 6 1 21d 21d
KCSAN: data-race in _copy_to_iter / kmmpd (4) prio:low ext4 6 2 18d 32d
KCSAN: data-race in memchr / vsnprintf (2) prio:low ext4 net 6 2 36d 33d
KCSAN: data-race in has_bh_in_lru / invalidate_bh_lru (9) ext4 prio:high 6 5 11d 114d
KCSAN: data-race in atime_needs_update / inode_update_time ext4 prio:low 6 10 14d 116d
KCSAN: data-race in xas_find_marked / xas_init_marks (6) ext4 mm prio:high 6 19 50d 274d
KCSAN: data-race in _prb_read_valid / prb_reserve_in_last (2) ext4 prio:low 6 33 10d 318d
KCSAN: data-race in copy_folio_from_iter_atomic / copy_folio_from_iter_atomic ext4 prio:low 6 167 1d13h 367d
KCSAN: data-race in find_get_block_common / has_bh_in_lru ext4 prio:low 6 300 3h49m 406d
KCSAN: data-race in _prb_read_valid / data_alloc net ext4 prio:low 6 496 10h17m 407d
KCSAN: data-race in data_push_tail / vsnprintf (9) prio:low ext4 6 228 1d20h 470d
KCSAN: data-race in __filemap_add_folio / nr_blockdev_pages (3) ext4 prio:low 6 174 5d00h 909d
KCSAN: data-race in filemap_splice_read / filemap_splice_read ext4 prio:low 6 1563 21h54m 912d
KCSAN: data-race in data_push_tail / string ext4 audit prio:low 6 490 2d08h 1780d
KCSAN: data-race in data_alloc / prb_reserve net ext4 prio:low 6 1266 5d19h 1899d
KCSAN: data-race in _prb_read_valid / prb_reserve bridge ext4 prio:high 6 3890 6h15m 2035d
KCSAN: data-race in __find_get_block / has_bh_in_lru ext4 6 syz 2497 406d 2315d