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ext4 subsystem


List(s): linux-ext4@vger.kernel.org
Fixed bugs: 177
Parent subsystem(s): fs (150)
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
kernel BUG in ext4_ext_map_blocks ext4 -1 2 40d 42d
KASAN: use-after-free Read in xattr_find_entry (2) ext4 19 C error error 3 38d 48d PATCH [2d05h]
INFO: task hung in block_read_full_folio (3) ext4 1 C error 7 3d16h 60d
kernel BUG in ext4_es_cache_extent (4) ext4 -1 C error 15 18d 62d 💬 8 [31d]
WARNING in ext4_split_convert_extents ext4 -1 C error 5 82d 78d 💬 1 [77d]
KASAN: use-after-free Read in ext4_read_inline_data ext4 19 C 4 93d 89d
possible deadlock in wait_transaction_locked (3) ext4 4 C error 171 2h18m 103d 💬 1 [48d]
kernel BUG in ext4_mb_normalize_request (2) ext4 -1 15 16d 105d
possible deadlock in evict (4) ext4 4 17 11d 136d
possible deadlock in ext4_xattr_set_handle (7) ext4 4 C unreliable 103 1d14h 150d
possible deadlock in ext4_destroy_inline_data (2) ext4 4 C error 2561 8m 157d 💬 5 [4d14h]
possible deadlock in ext4_evict_inode (5) ext4 4 C error 373 1d16h 158d
WARNING in ext4_xattr_inode_update_ref (2) ext4 -1 C error 6727 2h56m 163d 💬 2 [4d14h]
WARNING in ext4_write_inode (3) ext4 -1 6 11d 178d
KMSAN: uninit-value in fscrypt_crypt_data_unit ext4 fscrypt 7 C 151 4h04m 180d 💬 6 [121d]
INFO: rcu detected stall in unwind_next_frame (5) ext4 1 C error error 44 3d13h 180d
INFO: rcu detected stall in ext4_file_mmap_prepare ext4 1 C error 1 208d 208d
possible deadlock in do_writepages (2) ext4 4 C unreliable 667 11h07m 208d
WARNING in ext4_mb_load_buddy_gfp ext4 mm -1 C 7 43d 209d PATCH [199d]
possible deadlock in ext4_truncate (2) ext4 4 C unreliable error 3 7d23h 230d 💬 4 [229d]
INFO: rcu detected stall in wb_workfn (4) ext4 1 C error 60 6d13h 275d 💬 1 [134d]
KASAN: slab-use-after-free Read in __ext4_check_dir_entry ext4 19 C error error 6 34d 286d PATCH [272d]
KASAN: use-after-free Read in ext4_ext_insert_extent ext4 22 C done error 10 38d 322d 💬 1 [192d]
INFO: rcu detected stall in ext4_end_io_rsv_work (3) ext4 mm 1 C error error 3 98d 335d
kernel BUG in ext4_ext_insert_extent (2) ext4 -1 C done 38 29d 366d
WARNING in __jbd2_log_wait_for_space ocfs2 ext4 -1 C inconclusive done 6 143d 464d
KASAN: use-after-free Read in ext4_find_extent (4) ext4 19 C done 307 14d 468d PATCH [141d]
INFO: task hung in find_inode_fast (4) ext4 1 C error error 18 15d 475d
INFO: task hung in do_get_write_access (3) ext4 1 C error 464 5d06h 505d
divide error in qnx6_mmi_fill_super ext4 2 C unreliable inconclusive 7 20d 527d PATCH [524d]
WARNING in ext4_iomap_begin (3) ext4 -1 C inconclusive 90 21h14m 528d
possible deadlock in ext4_writepages (2) ext4 4 C unreliable 5398 14m 540d 💬 1 [4d14h]
WARNING in ext4_journal_check_start (2) ext4 -1 C inconclusive inconclusive 67 8d23h 541d PATCH [338d]
possible deadlock in ext4_xattr_inode_lookup_create ext4 4 C done error 271 3d06h 561d
KASAN: out-of-bounds Read in ext4_xattr_set_entry ext4 22 C error 7369 9h44m 567d PATCH [107d]
KASAN: use-after-free Read in ext4_inlinedir_to_tree ext4 19 C done error 6 99d 591d 💬 1 [591d]
kernel BUG in ext4_mb_use_inode_pa (2) ext4 -1 C error 281 17d 612d
WARNING in ext4_xattr_inode_lookup_create ext4 -1 C inconclusive 994 10d 684d PATCH [683d]
INFO: task hung in jbd2_journal_commit_transaction (5) usb ext4 1 C error 2185 16h46m 697d
INFO: task hung in do_renameat2 (2) ext4 1 C inconclusive error 278 99d 706d
WARNING in ext4_xattr_set_entry (2) ext4 -1 C error 9 698d 731d
kernel BUG in ext4_write_inline_data_end (2) ext4 -1 C inconclusive error 173 58d 800d PATCH [275d]
INFO: task hung in sync_inodes_sb (5) xfs ext4 1 C error inconclusive 2945 5d21h 999d
WARNING: locking bug in ext4_ioctl ext4 4 C done done 923 492d 1042d PATCH [562d]
WARNING: locking bug in __ext4_ioctl ext4 4 C done error 849 509d 1042d
kernel BUG in ext4_do_writepages ext4 -1 C error 3024 14h30m 1212d 💬 9 [4d14h]
kernel BUG in __ext4_journal_stop ext4 -1 C error done 37 3h23m 1231d 💬 7 [761d]
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
KCSAN: data-race in memcpy_and_pad / string ext4 race:benign 6 2 1d10h 13d
KCSAN: data-race in _copy_to_iter / vsnprintf ext4 6 1 23d 23d
KCSAN: data-race in __filemap_add_folio / sync_bdevs (3) ext4 6 2 6d19h 47d
KCSAN: data-race in has_bh_in_lru / invalidate_bh_lru (9) ext4 exfat 6 3 12d 59d
KCSAN: data-race in has_bh_in_lru / invalidate_bh_lrus_cpu (16) ext4 6 2 49d 61d
KCSAN: data-race in atime_needs_update / inode_update_time ext4 6 8 8d11h 61d
KCSAN: data-race in _copy_to_iter / string (5) ext4 6 2 46d 63d
BUG: unable to handle kernel NULL pointer dereference in qlist_free_all (10) ext4 10 1 73d 69d
KCSAN: data-race in xas_find_marked / xas_init_marks (6) ext4 mm 6 17 24d 219d
KCSAN: data-race in copy_folio_from_iter_atomic / copy_folio_from_iter_atomic ext4 mm 6 140 7d00h 312d
KCSAN: data-race in find_get_block_common / has_bh_in_lru ext4 6 279 7h38m 351d
KCSAN: data-race in _prb_read_valid / data_alloc x25 ext4 6 418 22h04m 351d
KCSAN: data-race in _prb_read_valid / prb_reserve ext4 6 3865 3d03h 1980d
KCSAN: data-race in __find_get_block / has_bh_in_lru ext4 6 syz 2497 351d 2260d