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ext4 subsystem


List(s): linux-ext4@vger.kernel.org
Fixed bugs: 179
Parent subsystem(s): fs (137)
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 5d15h 3d07h
kernel BUG in ext4_write_inline_data (5) ext4 prio:high -1 2 3d13h 3d20h
INFO: task kworker/u8:NUM:NUM blocked in I/O wait for more than NUM seconds. (2) prio:high ext4 -1 5 18d 18d
BUG: unable to handle kernel NULL pointer dereference in qlist_free_all (10) prio:low mm ext4 10 C 3 9d00h 23d
possible deadlock in ext4_map_blocks (3) ext4 prio:low 4 1 28d 24d
INFO: task jbd2/sda1-NUM:NUM blocked in I/O wait for more than NUM seconds. prio:low ext4 -1 C 12 17d 43d PATCH [40d]
BUG: sleeping function called from invalid context in jbd2_journal_commit_transaction ext4 prio:high 5 1 51d 47d
WARNING in jbd2_journal_dirty_metadata (3) ext4 prio:high -1 1 55d 51d
KASAN: use-after-free Read in xattr_find_entry (2) ext4 prio:high 19 C error error 3 100d 110d PATCH [63d]
INFO: task hung in block_read_full_folio (3) prio:high ext4 1 C error error 8 4d17h 121d
kernel BUG in ext4_es_cache_extent (4) prio:high ext4 -1 C error error 15 80d 124d 💬 8 [92d]
possible deadlock in wait_transaction_locked (3) ext4 prio:high 4 C error 445 21m 164d PATCH [15h39m]
kernel BUG in ext4_mb_normalize_request (2) prio:high ext4 -1 15 77d 167d
possible deadlock in evict (4) prio:high ext4 4 20 14d 198d
possible deadlock in ext4_xattr_set_handle (7) prio:high ext4 4 C unreliable 833 13m 211d PATCH [1d04h]
possible deadlock in ext4_destroy_inline_data (2) prio:low ext4 4 C error 5268 5m 219d PATCH [2d22h]
possible deadlock in ext4_evict_inode (5) ext4 prio:high 4 C error 491 19h37m 219d PATCH [1d04h]
WARNING in ext4_xattr_inode_update_ref (2) ext4 prio:low -1 C error 9894 1h45m 225d 💬 2 [34d]
WARNING in get_data ext4 prio:high -1 C error 1613 214d 231d
WARNING in ext4_write_inode (3) prio:high ext4 -1 10 8d15h 239d
KMSAN: uninit-value in fscrypt_crypt_data_unit ext4 fscrypt prio:high 7 C 193 5d18h 241d 💬 6 [3d08h]
INFO: rcu detected stall in unwind_next_frame (5) ext4 prio:low 1 C error error 51 7d15h 242d
INFO: rcu detected stall in ext4_file_mmap_prepare ext4 prio:high 1 C error 2 33d 269d
possible deadlock in do_writepages (2) ext4 prio:normal 4 C unreliable 772 1d20h 269d
WARNING in ext4_mb_load_buddy_gfp ext4 mm prio:high -1 C 7 104d 270d PATCH [261d]
possible deadlock in ext4_truncate (2) prio:high ext4 4 C unreliable error 3 55d 291d 💬 4 [291d]
INFO: rcu detected stall in wb_workfn (4) prio:normal ext4 1 C error error 65 1h31m 336d 💬 1 [196d]
KASAN: slab-use-after-free Read in __ext4_check_dir_entry prio:high ext4 19 C error error 6 37d 347d PATCH [334d]
KASAN: use-after-free Read in ext4_ext_insert_extent prio:high ext4 22 C done error 10 99d 383d 💬 1 [254d]
INFO: rcu detected stall in ext4_end_io_rsv_work (3) prio:normal ext4 mm 1 C error error 3 159d 396d
kernel BUG in ext4_ext_insert_extent (2) ext4 prio:high -1 C done error 38 90d 427d
WARNING in __jbd2_log_wait_for_space ocfs2 ext4 -1 C inconclusive done 6 205d 526d
KASAN: use-after-free Read in ext4_find_extent (4) ext4 prio:high 19 C done error 307 75d 529d PATCH [203d]
INFO: task hung in find_inode_fast (4) ext4 1 C error error 22 24d 537d
INFO: task hung in do_get_write_access (3) prio:low ext4 1 C error 466 10d 566d
divide error in qnx6_mmi_fill_super ext4 prio:high 2 C unreliable inconclusive 7 82d 588d PATCH [585d]
WARNING in ext4_iomap_begin (3) ext4 prio:high -1 C inconclusive 131 29d 589d
possible deadlock in ext4_writepages (2) ext4 prio:high 4 C unreliable 10817 now 601d 💬 1 [3d08h]
WARNING in ext4_journal_check_start (2) ext4 -1 C inconclusive inconclusive 79 3d21h 603d PATCH [399d]
possible deadlock in ext4_xattr_inode_lookup_create ext4 prio:high 4 C done error 287 22d 622d
KASAN: out-of-bounds Read in ext4_xattr_set_entry prio:high ext4 22 C error 7595 8h02m 629d PATCH [169d]
KASAN: use-after-free Read in ext4_inlinedir_to_tree ext4 19 C done error 6 161d 653d 💬 1 [652d]
kernel BUG in ext4_mb_use_inode_pa (2) ext4 -1 C error 314 23h09m 674d
WARNING in ext4_xattr_inode_lookup_create prio:low ext4 -1 C inconclusive error 998 1h45m 745d PATCH [745d]
INFO: task hung in jbd2_journal_commit_transaction (5) ext4 1 C error error 2192 2d17h 759d
INFO: task hung in do_renameat2 (2) prio:high ext4 1 C inconclusive error 278 160d 768d
WARNING in ext4_xattr_set_entry (2) ext4 -1 C error 9 759d 792d
INFO: task hung in sync_inodes_sb (5) xfs ext4 1 C error inconclusive 2951 8d22h 1061d
WARNING: locking bug in ext4_ioctl ext4 4 C done done 923 553d 1103d PATCH [623d]
WARNING: locking bug in __ext4_ioctl ext4 4 C done error 849 570d 1104d
kernel BUG in ext4_do_writepages ext4 prio:high -1 C error 3224 4h54m 1273d 💬 9 [3d08h]
kernel BUG in __ext4_journal_stop ext4 -1 C error done 42 27d 1292d 💬 7 [822d]
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 12d 12d
KCSAN: data-race in _copy_to_iter / string (6) ext4 race:benign prio:high 6 1 27d 27d
KCSAN: data-race in _copy_to_iter / kmmpd (4) prio:low ext4 6 2 25d 39d
KCSAN: data-race in memchr / vsnprintf (2) prio:low ext4 net 6 2 42d 39d
KCSAN: data-race in has_bh_in_lru / invalidate_bh_lru (9) prio:high ext4 6 6 2d15h 121d
KCSAN: data-race in atime_needs_update / inode_update_time prio:low ext4 6 12 4d20h 122d
KCSAN: data-race in _prb_read_valid / prb_reserve_in_last (2) ext4 prio:low 6 34 1d02h 324d
KCSAN: data-race in copy_folio_from_iter_atomic / copy_folio_from_iter_atomic ext4 prio:low 6 172 3h17m 373d
KCSAN: data-race in find_get_block_common / has_bh_in_lru ext4 prio:low 6 301 5d13h 412d
KCSAN: data-race in _prb_read_valid / data_alloc net ext4 prio:low 6 504 11h17m 413d
KCSAN: data-race in data_push_tail / vsnprintf (9) prio:low ext4 6 228 8d01h 476d
KCSAN: data-race in __filemap_add_folio / nr_blockdev_pages (3) ext4 prio:low 6 175 3d12h 916d
KCSAN: data-race in filemap_splice_read / filemap_splice_read ext4 prio:low 6 1565 6d00h 918d
KCSAN: data-race in data_push_tail / string ext4 audit prio:low 6 490 8d13h 1786d
KCSAN: data-race in data_alloc / prb_reserve net ext4 prio:low 6 1269 1d17h 1905d
KCSAN: data-race in _prb_read_valid / prb_reserve bridge ext4 prio:high 6 3893 1d23h 2041d
KCSAN: data-race in __find_get_block / has_bh_in_lru ext4 6 syz 2497 413d 2322d