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ext4 subsystem


List(s): linux-ext4@vger.kernel.org
Fixed bugs: 176
Parent subsystem(s): fs (153)
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
kernel BUG in ext4_ext_map_blocks ext4 -1 2 30d 32d
KASAN: use-after-free Read in xattr_find_entry (2) ext4 19 C error 3 29d 39d PATCH [2d19h]
INFO: task hung in block_read_full_folio (3) ext4 1 C error 7 8d15h 50d
kernel BUG in ext4_es_cache_extent (4) ext4 -1 C error 15 9d12h 53d 💬 8 [21d]
WARNING in ext4_split_convert_extents ext4 -1 C error 5 73d 69d 💬 1 [67d]
KASAN: use-after-free Read in ext4_read_inline_data ext4 19 C 4 83d 80d
possible deadlock in wait_transaction_locked (3) ext4 4 C error 161 4h05m 93d 💬 1 [39d]
kernel BUG in ext4_mb_normalize_request (2) ext4 -1 15 7d00h 96d
possible deadlock in evict (4) ext4 4 17 2d10h 127d
WARNING in __folio_mark_dirty (3) ext4 -1 C error 106 1d16h 133d PATCH [88d]
possible deadlock in ext4_xattr_set_handle (7) ext4 4 C unreliable 102 8d04h 141d
possible deadlock in ext4_destroy_inline_data (2) ext4 4 C error 2303 3h45m 148d 💬 5 [30d]
possible deadlock in ext4_evict_inode (5) ext4 4 C error 348 12h34m 148d
WARNING in ext4_xattr_inode_update_ref (2) ext4 -1 C error 6340 25m 154d 💬 2 [30d]
WARNING in ext4_write_inode (3) ext4 -1 6 1d13h 168d
KMSAN: uninit-value in fscrypt_crypt_data_unit ext4 fscrypt 7 C 144 2d23h 170d 💬 6 [112d]
INFO: rcu detected stall in unwind_next_frame (5) ext4 1 C error 43 28d 171d
INFO: rcu detected stall in ext4_file_mmap_prepare ext4 1 C error 1 199d 198d
possible deadlock in do_writepages (2) ext4 4 C unreliable 652 21h08m 199d
WARNING in ext4_mb_load_buddy_gfp ext4 mm -1 C 7 34d 200d PATCH [190d]
possible deadlock in ext4_truncate (2) ext4 4 C unreliable error 3 58d 221d 💬 4 [220d]
INFO: rcu detected stall in wb_workfn (4) ext4 1 C error 58 11d 265d 💬 1 [125d]
KASAN: slab-use-after-free Read in __ext4_check_dir_entry ext4 19 C error 6 24d 276d PATCH [263d]
WARNING in jbd2_journal_dirty_metadata (2) ext4 -1 58 63d 308d
KASAN: use-after-free Read in ext4_ext_insert_extent ext4 22 C done error 10 29d 312d 💬 1 [183d]
INFO: rcu detected stall in ext4_end_io_rsv_work (3) ext4 mm 1 C error error 3 89d 326d
kernel BUG in ext4_ext_insert_extent (2) ext4 -1 C done 38 19d 356d
WARNING in __jbd2_log_wait_for_space ocfs2 ext4 -1 C inconclusive done 6 134d 455d
KASAN: use-after-free Read in ext4_find_extent (4) ext4 19 C done 307 4d22h 458d PATCH [132d]
INFO: task hung in find_inode_fast (4) ext4 1 C error error 18 5d23h 466d
INFO: task hung in do_get_write_access (3) ext4 1 C error 464 31d 495d
divide error in qnx6_mmi_fill_super ext4 2 C unreliable inconclusive 7 11d 517d PATCH [515d]
WARNING in ext4_iomap_begin (3) ext4 -1 C inconclusive 89 8d23h 518d
possible deadlock in ext4_writepages (2) ext4 4 C unreliable 5043 5h27m 530d 💬 1 [30d]
WARNING in ext4_journal_check_start (2) ext4 -1 C inconclusive inconclusive 64 5h52m 532d PATCH [328d]
possible deadlock in ext4_xattr_inode_lookup_create ext4 4 C done error 268 13d 552d
KASAN: out-of-bounds Read in ext4_xattr_set_entry ext4 22 C error 7342 5h43m 558d PATCH [98d]
KASAN: use-after-free Read in ext4_inlinedir_to_tree ext4 19 C done error 6 90d 582d 💬 1 [581d]
kernel BUG in ext4_mb_use_inode_pa (2) ext4 -1 C error 281 8d12h 603d
WARNING in ext4_xattr_inode_lookup_create ext4 -1 C inconclusive 994 1d04h 674d PATCH [674d]
INFO: task hung in jbd2_journal_commit_transaction (5) usb ext4 1 C error 2178 22h47m 688d
INFO: task hung in do_renameat2 (2) ext4 1 C inconclusive error 278 90d 697d
WARNING in ext4_xattr_set_entry (2) ext4 -1 C error 9 688d 722d
kernel BUG in ext4_write_inline_data_end (2) ext4 -1 C inconclusive error 173 49d 791d PATCH [266d]
INFO: task hung in sync_inodes_sb (5) xfs ext4 1 C error inconclusive 2942 4d03h 990d
WARNING: locking bug in ext4_ioctl ext4 4 C done done 923 482d 1033d PATCH [552d]
WARNING: locking bug in __ext4_ioctl ext4 4 C done error 849 499d 1033d
kernel BUG in ext4_do_writepages ext4 -1 C error 3007 1d21h 1202d 💬 9 [30d]
kernel BUG in __ext4_journal_stop ext4 -1 C error done 37 11d 1222d 💬 7 [752d]
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
KCSAN: data-race in memcpy_and_pad / string ext4 race:benign 6 1 4d03h 4d03h
KCSAN: data-race in _copy_to_iter / vsnprintf ext4 6 1 13d 13d
KCSAN: data-race in __filemap_add_folio / sync_bdevs (3) ext4 6 1 38d 38d
KCSAN: data-race in has_bh_in_lru / invalidate_bh_lru (9) ext4 exfat 6 3 3d07h 50d
KCSAN: data-race in delete_from_page_cache_batch / file_write_and_wait_range (3) ext4 6 1 50d 50d
KCSAN: data-race in has_bh_in_lru / invalidate_bh_lrus_cpu (16) ext4 6 2 40d 51d
KCSAN: data-race in _copy_to_iter / string (5) ext4 6 2 36d 54d
BUG: unable to handle kernel NULL pointer dereference in qlist_free_all (10) ext4 10 1 63d 59d
KASAN: use-after-free Read in ext4_xattr_list_entries ext4 19 4 83d 174d
KCSAN: data-race in xas_find_marked / xas_init_marks (6) ext4 mm 6 17 14d 210d
KCSAN: data-race in copy_folio_from_iter_atomic / copy_folio_from_iter_atomic ext4 mm 6 134 11h51m 302d
KCSAN: data-race in find_get_block_common / has_bh_in_lru ext4 6 276 16h13m 341d
KCSAN: data-race in _prb_read_valid / data_alloc x25 ext4 6 399 now 342d
KCSAN: data-race in _prb_read_valid / prb_reserve ext4 6 3861 13h54m 1970d
KCSAN: data-race in __find_get_block / has_bh_in_lru ext4 6 syz 2497 342d 2251d