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ext4 subsystem


List(s): linux-ext4@vger.kernel.org
Fixed bugs: 179
Parent subsystem(s): fs (140)
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 8d04h 5d21h
kernel BUG in ext4_write_inline_data (5) ext4 prio:high -1 2 6d03h 6d10h
INFO: task kworker/u8:NUM:NUM blocked in I/O wait for more than NUM seconds. (2) prio:high ext4 -1 5 21d 21d
BUG: unable to handle kernel NULL pointer dereference in qlist_free_all (10) prio:low mm ext4 10 C 3 11d 25d
possible deadlock in ext4_map_blocks (3) prio:low ext4 4 1 31d 27d
INFO: task jbd2/sda1-NUM:NUM blocked in I/O wait for more than NUM seconds. prio:low ext4 -1 C 12 19d 45d PATCH [42d]
BUG: sleeping function called from invalid context in jbd2_journal_commit_transaction ext4 prio:high 5 1 53d 49d
WARNING in jbd2_journal_dirty_metadata (3) ext4 prio:high -1 2 1d11h 53d
KASAN: use-after-free Read in xattr_find_entry (2) ext4 prio:high 19 C error error 3 102d 112d PATCH [66d]
INFO: task hung in block_read_full_folio (3) prio:high ext4 1 C error error 8 7d07h 124d
kernel BUG in ext4_es_cache_extent (4) prio:high ext4 -1 C error error 15 82d 126d 💬 8 [95d]
possible deadlock in wait_transaction_locked (3) ext4 prio:high 4 C error 469 2h09m 167d PATCH [1h45m]
kernel BUG in ext4_mb_normalize_request (2) prio:high ext4 -1 15 80d 169d
possible deadlock in evict (4) prio:high ext4 4 22 1d15h 200d
possible deadlock in ext4_xattr_set_handle (7) prio:high ext4 4 C unreliable 946 2h58m 214d PATCH [3d17h]
possible deadlock in ext4_destroy_inline_data (2) prio:low ext4 4 C error 5602 38m 221d PATCH [12h06m]
possible deadlock in ext4_evict_inode (5) ext4 prio:high 4 C error 496 20h27m 222d PATCH [3d17h]
WARNING in ext4_xattr_inode_update_ref (2) ext4 prio:low -1 C error 10111 49m 227d PATCH [12h41m]
WARNING in get_data ext4 prio:high -1 C error 1613 216d 233d
WARNING in ext4_write_inode (3) prio:high ext4 -1 10 11d 242d
KMSAN: uninit-value in fscrypt_crypt_data_unit ext4 fscrypt prio:high 7 C 198 1d01h 244d 💬 6 [5d21h]
INFO: rcu detected stall in unwind_next_frame (5) ext4 prio:low 1 C error error 52 1d23h 244d
INFO: rcu detected stall in ext4_file_mmap_prepare ext4 prio:high 1 C error 2 36d 271d
possible deadlock in do_writepages (2) ext4 prio:normal 4 C unreliable 776 8h08m 272d
WARNING in ext4_mb_load_buddy_gfp ext4 mm prio:high -1 C 7 107d 273d PATCH [263d]
possible deadlock in ext4_truncate (2) prio:high ext4 4 C unreliable error 3 57d 294d 💬 4 [293d]
INFO: rcu detected stall in wb_workfn (4) prio:normal ext4 1 C error error 65 2d14h 339d 💬 1 [198d]
KASAN: slab-use-after-free Read in __ext4_check_dir_entry prio:high ext4 19 C error error 6 40d 350d PATCH [336d]
INFO: rcu detected stall in ext4_end_io_rsv_work (3) prio:normal ext4 mm 1 C error error 3 162d 399d
kernel BUG in ext4_ext_insert_extent (2) ext4 prio:high -1 C done error 38 93d 430d
WARNING in __jbd2_log_wait_for_space ocfs2 ext4 -1 C inconclusive done 6 207d 528d
KASAN: use-after-free Read in ext4_find_extent (4) ext4 prio:high 19 C done error 307 78d 531d PATCH [205d]
INFO: task hung in find_inode_fast (4) ext4 1 C error error 22 27d 539d
INFO: task hung in do_get_write_access (3) prio:low ext4 1 C error 467 1d21h 568d
divide error in qnx6_mmi_fill_super ext4 prio:high 2 C unreliable inconclusive 7 84d 590d PATCH [588d]
WARNING in ext4_iomap_begin (3) ext4 prio:high -1 C inconclusive error 131 31d 592d
possible deadlock in ext4_writepages (2) ext4 prio:high 4 C unreliable 11461 49m 603d 💬 1 [5d21h]
WARNING in ext4_journal_check_start (2) ext4 -1 C inconclusive inconclusive 79 6d10h 605d PATCH [402d]
possible deadlock in ext4_xattr_inode_lookup_create ext4 prio:high 4 C done error 287 25d 625d
KASAN: out-of-bounds Read in ext4_xattr_set_entry prio:high ext4 22 C error 7606 2h57m 631d PATCH [171d]
KASAN: use-after-free Read in ext4_inlinedir_to_tree ext4 19 C done error 6 163d 655d 💬 1 [655d]
kernel BUG in ext4_mb_use_inode_pa (2) ext4 -1 C error 315 10h49m 676d
WARNING in ext4_xattr_inode_lookup_create prio:low ext4 -1 C inconclusive error 1000 7h30m 748d PATCH [747d]
INFO: task hung in jbd2_journal_commit_transaction (5) ext4 1 C error error 2193 2d03h 761d
INFO: task hung in do_renameat2 (2) prio:high ext4 1 C inconclusive error 278 163d 770d
WARNING in ext4_xattr_set_entry (2) ext4 -1 C error 9 761d 795d
INFO: task hung in sync_inodes_sb (5) xfs ext4 1 C error inconclusive 2970 2h24m 1063d
WARNING: locking bug in ext4_ioctl ext4 4 C done done 923 555d 1106d PATCH [625d]
WARNING: locking bug in __ext4_ioctl ext4 4 C done error 849 572d 1106d
kernel BUG in ext4_do_writepages ext4 prio:high -1 C error 3238 3h21m 1275d 💬 9 [5d21h]
kernel BUG in __ext4_journal_stop ext4 -1 C error done 42 30d 1295d 💬 7 [825d]
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 15d 15d
KCSAN: data-race in _copy_to_iter / string (6) ext4 race:benign prio:high 6 1 29d 29d
KCSAN: data-race in _copy_to_iter / kmmpd (4) prio:low ext4 6 2 27d 41d
KCSAN: data-race in memchr / vsnprintf (2) prio:low ext4 net 6 2 45d 42d
KCSAN: data-race in has_bh_in_lru / invalidate_bh_lru (9) prio:high ext4 6 6 5d05h 123d
KCSAN: data-race in atime_needs_update / inode_update_time prio:low ext4 6 12 7d10h 125d
KCSAN: data-race in _prb_read_valid / prb_reserve_in_last (2) ext4 prio:low 6 34 3d15h 326d
KCSAN: data-race in copy_folio_from_iter_atomic / copy_folio_from_iter_atomic ext4 prio:low 6 174 3h16m 376d
KCSAN: data-race in find_get_block_common / has_bh_in_lru ext4 prio:low 6 301 8d03h 415d
KCSAN: data-race in _prb_read_valid / data_alloc net ext4 prio:low 6 508 23h41m 415d
KCSAN: data-race in data_push_tail / vsnprintf (9) prio:low ext4 6 228 10d 479d
KCSAN: data-race in __filemap_add_folio / nr_blockdev_pages (3) ext4 prio:low 6 175 6d01h 918d
KCSAN: data-race in filemap_splice_read / filemap_splice_read ext4 prio:low 6 1567 3h10m 921d
KCSAN: data-race in data_push_tail / string ext4 audit prio:low 6 490 11d 1788d
KCSAN: data-race in data_alloc / prb_reserve net ext4 prio:low 6 1270 2d05h 1907d
KCSAN: data-race in _prb_read_valid / prb_reserve bridge ext4 prio:high 6 3893 4d12h 2044d
KCSAN: data-race in __find_get_block / has_bh_in_lru ext4 6 syz 2497 415d 2324d