syzbot

 sign-in | mailing list | source | docs | 🏰
🐞 Open [1326]
≡ Subsystems
🐞 Fixed [7156]
🐞 Invalid [18917]
⬇ Missing Backports [220]
≡ Crashes
Kernel Health Bugs/Month Bug Lifetimes Fuzzing
Total Repo Heatmap Subsystems Heatmap
✨ AI
💬 Send us feedback

Applied filters: Label=subsystems:ext4 (drop)
Extra filters: [With Repro] [With AI Patch Pending Review]
open (51) 🔗
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 6d02h 3d19h
kernel BUG in ext4_write_inline_data (5) ext4 prio:high -1 2 4d01h 4d08h
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 9d11h 23d
possible deadlock in ext4_map_blocks (3) ext4 prio:low 4 1 29d 25d
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 [64d]
INFO: task hung in block_read_full_folio (3) prio:high ext4 1 C error error 8 5d05h 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 453 20m 165d PATCH [1d03h]
kernel BUG in ext4_mb_normalize_request (2) prio:high ext4 -1 15 78d 167d
possible deadlock in evict (4) prio:high ext4 4 20 15d 198d
possible deadlock in ext4_xattr_set_handle (7) prio:high ext4 4 C unreliable 854 9m 212d PATCH [1d15h]
possible deadlock in ext4_destroy_inline_data (2) prio:low ext4 4 C error 5351 22m 219d PATCH [3d09h]
possible deadlock in ext4_evict_inode (5) ext4 prio:high 4 C error 493 2h47m 220d PATCH [1d15h]
WARNING in ext4_xattr_inode_update_ref (2) ext4 prio:low -1 C error 9960 now 225d PATCH [2h21m]
WARNING in get_data ext4 prio:high -1 C error 1613 214d 231d
WARNING in ext4_write_inode (3) prio:high ext4 -1 10 9d03h 239d
KMSAN: uninit-value in fscrypt_crypt_data_unit ext4 fscrypt prio:high 7 C 196 4h50m 242d 💬 6 [3d20h]
INFO: rcu detected stall in unwind_next_frame (5) ext4 prio:low 1 C error error 51 8d03h 242d
INFO: rcu detected stall in ext4_file_mmap_prepare ext4 prio:high 1 C error 2 34d 269d
possible deadlock in do_writepages (2) ext4 prio:normal 4 C unreliable 772 2d08h 270d
WARNING in ext4_mb_load_buddy_gfp ext4 mm prio:high -1 C 7 105d 271d PATCH [261d]
possible deadlock in ext4_truncate (2) prio:high ext4 4 C unreliable error 3 55d 292d 💬 4 [291d]
INFO: rcu detected stall in wb_workfn (4) prio:normal ext4 1 C error error 65 13h07m 337d 💬 1 [196d]
KASAN: slab-use-after-free Read in __ext4_check_dir_entry prio:high ext4 19 C error error 6 38d 347d PATCH [334d]
INFO: rcu detected stall in ext4_end_io_rsv_work (3) prio:normal ext4 mm 1 C error error 3 160d 397d
kernel BUG in ext4_ext_insert_extent (2) ext4 prio:high -1 C done error 38 91d 428d
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 76d 529d PATCH [203d]
INFO: task hung in find_inode_fast (4) ext4 1 C error error 22 25d 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 [586d]
WARNING in ext4_iomap_begin (3) ext4 prio:high -1 C inconclusive 131 29d 590d
possible deadlock in ext4_writepages (2) ext4 prio:high 4 C unreliable 10949 8m 601d 💬 1 [3d20h]
WARNING in ext4_journal_check_start (2) ext4 -1 C inconclusive inconclusive 79 4d09h 603d PATCH [400d]
possible deadlock in ext4_xattr_inode_lookup_create ext4 prio:high 4 C done error 287 23d 623d
KASAN: out-of-bounds Read in ext4_xattr_set_entry prio:high ext4 22 C error 7597 4h52m 629d PATCH [169d]
KASAN: use-after-free Read in ext4_inlinedir_to_tree ext4 19 C done error 6 161d 653d 💬 1 [653d]
kernel BUG in ext4_mb_use_inode_pa (2) ext4 -1 C error 314 1d10h 674d
WARNING in ext4_xattr_inode_lookup_create prio:low ext4 -1 C inconclusive error 999 11h02m 746d PATCH [745d]
INFO: task hung in jbd2_journal_commit_transaction (5) ext4 1 C error error 2193 1h26m 759d
INFO: task hung in do_renameat2 (2) prio:high ext4 1 C inconclusive error 278 161d 768d
WARNING in ext4_xattr_set_entry (2) ext4 -1 C error 9 759d 793d
INFO: task hung in sync_inodes_sb (5) xfs ext4 1 C error inconclusive 2951 9d09h 1061d
WARNING: locking bug in ext4_ioctl ext4 4 C done done 923 553d 1104d 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 3227 2h00m 1273d 💬 9 [3d20h]
kernel BUG in __ext4_journal_stop ext4 -1 C error done 42 28d 1293d 💬 7 [823d]
moderation (17) 🔗
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 13d 13d
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 43d 39d
KCSAN: data-race in has_bh_in_lru / invalidate_bh_lru (9) prio:high ext4 6 6 3d03h 121d
KCSAN: data-race in atime_needs_update / inode_update_time prio:low ext4 6 12 5d08h 123d
KCSAN: data-race in _prb_read_valid / prb_reserve_in_last (2) ext4 prio:low 6 34 1d13h 324d
KCSAN: data-race in copy_folio_from_iter_atomic / copy_folio_from_iter_atomic ext4 prio:low 6 172 14h54m 373d
KCSAN: data-race in find_get_block_common / has_bh_in_lru ext4 prio:low 6 301 6d01h 413d
KCSAN: data-race in _prb_read_valid / data_alloc net ext4 prio:low 6 506 5h40m 413d
KCSAN: data-race in data_push_tail / vsnprintf (9) prio:low ext4 6 228 8d13h 477d
KCSAN: data-race in __filemap_add_folio / nr_blockdev_pages (3) ext4 prio:low 6 175 3d23h 916d
KCSAN: data-race in filemap_splice_read / filemap_splice_read ext4 prio:low 6 1565 6d12h 919d
KCSAN: data-race in data_push_tail / string ext4 audit prio:low 6 490 9d00h 1786d
KCSAN: data-race in data_alloc / prb_reserve net ext4 prio:low 6 1270 3h45m 1905d
KCSAN: data-race in _prb_read_valid / prb_reserve bridge ext4 prio:high 6 3893 2d10h 2042d
KCSAN: data-race in __find_get_block / has_bh_in_lru ext4 6 syz 2497 413d 2322d