syzbot


ext4 subsystem


List(s): linux-ext4@vger.kernel.org
Fixed bugs: 179
Parent subsystem(s): fs (132)
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 17d 15d
kernel BUG in ext4_write_inline_data (5) ext4 prio:high -1 2 15d 16d
INFO: task kworker/u8:NUM:NUM blocked in I/O wait for more than NUM seconds. (2) prio:high ext4 -1 5 30d 30d
BUG: unable to handle kernel NULL pointer dereference in qlist_free_all (10) prio:low mm ext4 10 C 3 21d 35d
possible deadlock in ext4_map_blocks (3) prio:low ext4 4 1 41d 37d
INFO: task jbd2/sda1-NUM:NUM blocked in I/O wait for more than NUM seconds. prio:low ext4 -1 C 12 29d 55d PATCH [2d18h]
BUG: sleeping function called from invalid context in jbd2_journal_commit_transaction prio:high ext4 5 1 63d 59d
WARNING in jbd2_journal_dirty_metadata (3) prio:high ext4 -1 3 7d05h 63d
KASAN: use-after-free Read in xattr_find_entry (2) prio:high ext4 19 C error error 3 112d 122d PATCH [75d]
INFO: task hung in block_read_full_folio (3) prio:high ext4 1 C error error 8 17d 133d
kernel BUG in ext4_es_cache_extent (4) prio:high ext4 -1 C error error 15 92d 136d 💬 8 [104d]
possible deadlock in wait_transaction_locked (3) prio:high ext4 4 C error 543 now 176d PATCH [2d02h]
kernel BUG in ext4_mb_normalize_request (2) prio:high ext4 -1 15 90d 179d
possible deadlock in evict (4) prio:high ext4 4 26 8h46m 210d
INFO: task hung in __start_renaming prio:high ext4 1 C done error 70 25d 213d 💬 11 [212d]
possible deadlock in ext4_xattr_set_handle (7) prio:high ext4 4 C unreliable 1226 59m 224d PATCH [9d02h]
possible deadlock in ext4_destroy_inline_data (2) prio:low ext4 4 C error 6539 22m 231d PATCH [6d21h]
possible deadlock in ext4_evict_inode (5) prio:high ext4 4 C error 513 1d00h 232d PATCH [9d02h]
WARNING in ext4_xattr_inode_update_ref (2) prio:low ext4 -1 C error 10918 30m 237d PATCH [7d15h]
WARNING in get_data prio:high ext4 -1 C error 1613 226d 243d
WARNING in ext4_write_inode (3) prio:high ext4 -1 10 20d 251d
KMSAN: uninit-value in fscrypt_crypt_data_unit ext4 fscrypt prio:high 7 C 202 9d07h 253d PATCH [1d00h]
INFO: rcu detected stall in unwind_next_frame (5) prio:low ext4 1 C error error 52 11d 254d
INFO: rcu detected stall in ext4_file_mmap_prepare prio:high ext4 1 C error 2 46d 281d
possible deadlock in do_writepages (2) prio:normal ext4 4 C unreliable 776 10d 282d
WARNING in ext4_mb_load_buddy_gfp prio:high ext4 mm -1 C 7 117d 283d PATCH [273d]
possible deadlock in ext4_truncate (2) prio:high ext4 4 C unreliable error 3 67d 304d 💬 4 [303d]
INFO: rcu detected stall in wb_workfn (4) prio:normal ext4 1 C error error 65 12d 348d 💬 1 [208d]
KASAN: slab-use-after-free Read in __ext4_check_dir_entry prio:high ext4 19 C error error 6 4d08h 359d PATCH [346d]
INFO: rcu detected stall in ext4_end_io_rsv_work (3) prio:normal mm ext4 1 C error error 3 172d 409d
kernel BUG in ext4_ext_insert_extent (2) prio:high ext4 -1 C done error 38 103d 439d
INFO: task hung in find_inode_fast (4) ext4 1 C error error 23 21h14m 549d
INFO: task hung in do_get_write_access (3) prio:low ext4 1 C error 467 11d 578d
divide error in qnx6_mmi_fill_super prio:high ext4 2 C unreliable inconclusive 7 94d 600d PATCH [598d]
WARNING in ext4_iomap_begin (3) prio:high ext4 -1 C inconclusive error 131 41d 601d
possible deadlock in ext4_writepages (2) prio:high ext4 4 C unreliable 13570 15m 613d 💬 1 [15d]
WARNING in ext4_journal_check_start (2) ext4 -1 C inconclusive inconclusive 79 16d 615d PATCH [411d]
possible deadlock in ext4_xattr_inode_lookup_create prio:high ext4 4 C done error 287 35d 635d
KASAN: out-of-bounds Read in ext4_xattr_set_entry prio:high ext4 22 C error 7705 3h38m 641d PATCH [181d]
KASAN: use-after-free Read in ext4_inlinedir_to_tree ext4 19 C done error 6 173d 665d 💬 1 [665d]
kernel BUG in ext4_mb_use_inode_pa (2) ext4 -1 C error 345 6h34m 686d
WARNING in ext4_xattr_inode_lookup_create prio:low ext4 -1 C inconclusive error 1002 3d08h 757d PATCH [757d]
INFO: task hung in jbd2_journal_commit_transaction (5) ext4 1 C error error 2201 1d21h 771d
INFO: task hung in do_renameat2 (2) prio:high ext4 1 C inconclusive error 278 173d 780d
WARNING in ext4_xattr_set_entry (2) ext4 -1 C error 9 771d 805d
INFO: task hung in sync_inodes_sb (5) xfs ext4 1 C error inconclusive 2979 9h36m 1073d
WARNING: locking bug in ext4_ioctl ext4 4 C done done 923 565d 1116d PATCH [635d]
WARNING: locking bug in __ext4_ioctl ext4 4 C done error 849 582d 1116d
kernel BUG in ext4_do_writepages prio:high ext4 -1 C error 3269 6h00m 1285d 💬 9 [15d]
kernel BUG in __ext4_journal_stop ext4 -1 C error done 43 1d15h 1305d 💬 7 [835d]
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
KCSAN: data-race in xas_find_marked / xas_init_marks (7) ext4 race:benign prio:low 6 1 3d08h 3d08h
KCSAN: data-race in data_push_tail / uuid_string (6) ext4 race:benign prio:high 6 1 25d 25d
KCSAN: data-race in _copy_to_iter / string (6) race:benign prio:high ext4 6 1 39d 39d
KCSAN: data-race in _copy_to_iter / kmmpd (4) prio:low ext4 6 2 37d 51d
KCSAN: data-race in memchr / vsnprintf (2) prio:low ext4 net 6 2 55d 51d
KCSAN: data-race in has_bh_in_lru / invalidate_bh_lru (9) prio:high ext4 6 6 14d 133d
KCSAN: data-race in atime_needs_update / inode_update_time prio:low ext4 6 12 17d 135d
KCSAN: data-race in _prb_read_valid / prb_reserve_in_last (2) prio:low ext4 6 36 1h07m 336d
KCSAN: data-race in copy_folio_from_iter_atomic / copy_folio_from_iter_atomic prio:low ext4 6 182 15h40m 385d
KCSAN: data-race in find_get_block_common / has_bh_in_lru prio:low ext4 6 303 9h18m 424d
KCSAN: data-race in _prb_read_valid / data_alloc net ext4 prio:low 6 517 1d05h 425d
KCSAN: data-race in data_push_tail / vsnprintf (9) prio:low ext4 net 6 229 9d15h 489d
KCSAN: data-race in data_alloc / data_push_tail (3) prio:low ext4 6 71 6d19h 655d
KCSAN: data-race in atime_needs_update / touch_atime (2) prio:low ext4 6 672 19h18m 874d
KCSAN: data-race in __filemap_add_folio / nr_blockdev_pages (3) prio:low ext4 mm 6 175 15d 928d
KCSAN: data-race in filemap_splice_read / filemap_splice_read prio:low ext4 6 1573 3d08h 931d
KCSAN: data-race in data_alloc / prb_reserve net ext4 prio:low 6 1276 14h45m 1917d
KCSAN: data-race in _prb_read_valid / prb_reserve bridge ext4 prio:high 6 3897 17h24m 2053d
KCSAN: data-race in __find_get_block / has_bh_in_lru ext4 6 syz 2497 425d 2334d