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ext4 subsystem


List(s): linux-ext4@vger.kernel.org
Fixed bugs: 179
Parent subsystem(s): fs (142)
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
KASAN: use-after-free Read in ext4_xattr_list_entries (2) ext4 actionable prio:high 19 2 9d19h 7d11h
kernel BUG in ext4_write_inline_data (5) ext4 prio:high -1 2 7d17h 8d00h
INFO: task kworker/u8:NUM:NUM blocked in I/O wait for more than NUM seconds. (2) prio:high ext4 -1 5 22d 22d
BUG: unable to handle kernel NULL pointer dereference in qlist_free_all (10) prio:low mm ext4 10 C 3 13d 27d
possible deadlock in ext4_map_blocks (3) prio:low ext4 4 1 33d 29d
INFO: task jbd2/sda1-NUM:NUM blocked in I/O wait for more than NUM seconds. prio:low ext4 -1 C 12 21d 47d PATCH [44d]
BUG: sleeping function called from invalid context in jbd2_journal_commit_transaction ext4 prio:high 5 1 55d 51d
WARNING in jbd2_journal_dirty_metadata (3) ext4 prio:high -1 2 3d01h 55d
KASAN: use-after-free Read in xattr_find_entry (2) ext4 prio:high 19 C error error 3 104d 114d PATCH [67d]
INFO: task hung in block_read_full_folio (3) prio:high ext4 1 C error error 8 8d21h 125d
kernel BUG in ext4_es_cache_extent (4) prio:high ext4 -1 C error error 15 84d 128d 💬 8 [96d]
possible deadlock in wait_transaction_locked (3) ext4 prio:high 4 C error 484 1h28m 168d PATCH [17h24m]
kernel BUG in ext4_mb_normalize_request (2) prio:high ext4 -1 15 81d 171d
possible deadlock in evict (4) prio:high ext4 4 22 3d05h 202d
possible deadlock in ext4_xattr_set_handle (7) prio:high ext4 4 C unreliable 976 4h34m 216d PATCH [23h32m]
possible deadlock in ext4_destroy_inline_data (2) prio:low ext4 4 C error 5768 33m 223d PATCH [2d02h]
possible deadlock in ext4_evict_inode (5) ext4 prio:high 4 C error 496 2d10h 223d PATCH [23h32m]
WARNING in ext4_xattr_inode_update_ref (2) ext4 prio:low -1 C error 10248 26m 229d PATCH [2d03h]
WARNING in get_data ext4 prio:high -1 C error 1613 218d 235d
WARNING in ext4_write_inode (3) prio:high ext4 -1 10 12d 243d
KMSAN: uninit-value in fscrypt_crypt_data_unit ext4 fscrypt prio:high 7 C 202 1d04h 245d 💬 6 [7d12h]
INFO: rcu detected stall in unwind_next_frame (5) ext4 prio:low 1 C error error 52 3d13h 246d
INFO: rcu detected stall in ext4_file_mmap_prepare ext4 prio:high 1 C error 2 38d 273d
possible deadlock in do_writepages (2) ext4 prio:normal 4 C unreliable 776 1d22h 274d
WARNING in ext4_mb_load_buddy_gfp ext4 mm prio:high -1 C 7 109d 275d PATCH [265d]
possible deadlock in ext4_truncate (2) prio:high ext4 4 C unreliable error 3 59d 295d 💬 4 [295d]
INFO: rcu detected stall in wb_workfn (4) prio:normal ext4 1 C error error 65 4d05h 340d 💬 1 [200d]
KASAN: slab-use-after-free Read in __ext4_check_dir_entry prio:high ext4 19 C error error 6 42d 351d PATCH [338d]
INFO: rcu detected stall in ext4_end_io_rsv_work (3) prio:normal ext4 mm 1 C error error 3 163d 400d
kernel BUG in ext4_ext_insert_extent (2) ext4 prio:high -1 C done error 38 94d 431d
WARNING in __jbd2_log_wait_for_space ocfs2 ext4 -1 C inconclusive done 6 209d 530d
KASAN: use-after-free Read in ext4_find_extent (4) ext4 prio:high 19 C done error 307 79d 533d PATCH [207d]
INFO: task hung in find_inode_fast (4) ext4 1 C error error 22 29d 541d
INFO: task hung in do_get_write_access (3) prio:low ext4 1 C error 467 3d11h 570d
divide error in qnx6_mmi_fill_super ext4 prio:high 2 C unreliable inconclusive 7 86d 592d PATCH [590d]
WARNING in ext4_iomap_begin (3) ext4 prio:high -1 C inconclusive error 131 33d 593d
possible deadlock in ext4_writepages (2) ext4 prio:high 4 C unreliable 11788 6m 605d 💬 1 [7d12h]
WARNING in ext4_journal_check_start (2) ext4 -1 C inconclusive inconclusive 79 8d01h 607d PATCH [403d]
possible deadlock in ext4_xattr_inode_lookup_create ext4 prio:high 4 C done error 287 26d 627d
KASAN: out-of-bounds Read in ext4_xattr_set_entry prio:high ext4 22 C error 7615 11h29m 633d PATCH [173d]
KASAN: use-after-free Read in ext4_inlinedir_to_tree ext4 19 C done error 6 165d 657d 💬 1 [656d]
kernel BUG in ext4_mb_use_inode_pa (2) ext4 -1 C error 322 13h36m 678d
WARNING in ext4_xattr_inode_lookup_create prio:low ext4 -1 C inconclusive error 1000 1d21h 749d PATCH [749d]
INFO: task hung in jbd2_journal_commit_transaction (5) ext4 1 C error error 2195 9h41m 763d
INFO: task hung in do_renameat2 (2) prio:high ext4 1 C inconclusive error 278 164d 772d
WARNING in ext4_xattr_set_entry (2) ext4 -1 C error 9 763d 797d
INFO: task hung in sync_inodes_sb (5) xfs ext4 1 C error inconclusive 2970 1d16h 1065d
WARNING: locking bug in ext4_ioctl ext4 4 C done done 923 557d 1108d PATCH [627d]
WARNING: locking bug in __ext4_ioctl ext4 4 C done error 849 574d 1108d
kernel BUG in ext4_do_writepages ext4 prio:high -1 C error 3241 1d00h 1277d 💬 9 [7d12h]
kernel BUG in __ext4_journal_stop ext4 -1 C error done 42 31d 1296d 💬 7 [826d]
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
KCSAN: data-race in data_push_tail / uuid_string (6) ext4 race:benign prio:high 6 1 16d 16d
KCSAN: data-race in _copy_to_iter / string (6) race:benign prio:high ext4 6 1 31d 31d
KCSAN: data-race in _copy_to_iter / kmmpd (4) prio:low ext4 6 2 29d 43d
KCSAN: data-race in memchr / vsnprintf (2) prio:low ext4 net 6 2 47d 43d
KCSAN: data-race in has_bh_in_lru / invalidate_bh_lru (9) prio:high ext4 6 6 6d19h 125d
KCSAN: data-race in atime_needs_update / inode_update_time prio:low ext4 6 12 9d00h 127d
KCSAN: data-race in _prb_read_valid / prb_reserve_in_last (2) ext4 prio:low 6 34 5d05h 328d
KCSAN: data-race in copy_folio_from_iter_atomic / copy_folio_from_iter_atomic ext4 prio:low 6 177 8h06m 377d
KCSAN: data-race in find_get_block_common / has_bh_in_lru ext4 prio:low 6 301 9d17h 416d
KCSAN: data-race in _prb_read_valid / data_alloc net ext4 prio:low 6 509 14h06m 417d
KCSAN: data-race in data_push_tail / vsnprintf (9) prio:low ext4 6 229 1d12h 480d
KCSAN: data-race in __filemap_add_folio / nr_blockdev_pages (3) ext4 prio:low 6 175 7d15h 920d
KCSAN: data-race in filemap_splice_read / filemap_splice_read ext4 prio:low 6 1568 5h32m 922d
KCSAN: data-race in data_push_tail / string ext4 audit prio:low 6 490 12d 1790d
KCSAN: data-race in data_alloc / prb_reserve net ext4 prio:low 6 1271 1d14h 1909d
KCSAN: data-race in _prb_read_valid / prb_reserve bridge ext4 prio:high 6 3894 1d06h 2045d
KCSAN: data-race in __find_get_block / has_bh_in_lru ext4 6 syz 2497 417d 2326d