syzbot

 sign-in | mailing list | source | docs | 🏰
🐞 Open [1331]
≡ Subsystems
🐞 Fixed [7140]
🐞 Invalid [18883]
⬇ 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 (53) 🔗
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
possible deadlock in lock_two_nondirectories (2) overlayfs ext4 4 C error 7 1d08h 1d14h
BUG: unable to handle kernel NULL pointer dereference in qlist_free_all (10) prio:low mm ext4 10 C 3 2d06h 16d
possible deadlock in ext4_map_blocks (3) ext4 prio:low 4 1 22d 18d
general protection fault in jbd2_journal_dirty_metadata (2) prio:high ext4 2 C error 25 1d05h 32d PATCH [1d20h]
INFO: task jbd2/sda1-NUM:NUM blocked in I/O wait for more than NUM seconds. prio:low ext4 -1 C 12 10d 36d PATCH [33d]
BUG: sleeping function called from invalid context in jbd2_journal_commit_transaction ext4 prio:high 5 1 44d 40d
WARNING in jbd2_journal_dirty_metadata (3) ext4 prio:high -1 1 48d 44d
kernel BUG in ext4_ext_map_blocks ext4 prio:high -1 2 94d 96d
KASAN: use-after-free Read in xattr_find_entry (2) ext4 prio:high 19 C error error 3 93d 103d PATCH [56d]
INFO: task hung in block_read_full_folio (3) ext4 prio:high 1 C error error 7 58d 114d
kernel BUG in ext4_es_cache_extent (4) prio:high ext4 -1 C error error 15 73d 117d 💬 8 [85d]
possible deadlock in wait_transaction_locked (3) ext4 prio:high 4 C error 383 3h51m 157d 💬 1 [103d]
kernel BUG in ext4_mb_normalize_request (2) prio:high ext4 -1 15 71d 160d
possible deadlock in evict (4) prio:high ext4 4 20 8d06h 191d
possible deadlock in ext4_xattr_set_handle (7) prio:high ext4 4 C unreliable 636 57m 205d
possible deadlock in ext4_destroy_inline_data (2) prio:low ext4 4 C error 4558 10m 212d 💬 5 [27d]
possible deadlock in ext4_evict_inode (5) ext4 prio:high 4 C error 477 1d16h 212d
WARNING in ext4_xattr_inode_update_ref (2) ext4 prio:low -1 C error 9408 6m 218d 💬 2 [27d]
WARNING in get_data ext4 prio:high -1 C error 1613 207d 224d
WARNING in ext4_write_inode (3) prio:high ext4 -1 10 1d22h 232d
KMSAN: uninit-value in fscrypt_crypt_data_unit ext4 fscrypt prio:high 7 C 189 12h35m 234d 💬 6 [176d]
INFO: rcu detected stall in unwind_next_frame (5) ext4 prio:low 1 C error error 51 22h02m 235d
INFO: rcu detected stall in ext4_file_mmap_prepare ext4 prio:high 1 C error 2 27d 262d
possible deadlock in do_writepages (2) ext4 prio:normal 4 C unreliable 760 13h06m 263d
WARNING in ext4_mb_load_buddy_gfp ext4 mm prio:high -1 C 7 98d 264d PATCH [254d]
possible deadlock in ext4_truncate (2) prio:high ext4 4 C unreliable error 3 48d 285d 💬 4 [284d]
INFO: rcu detected stall in wb_workfn (4) prio:normal ext4 1 C error error 64 8d16h 329d 💬 1 [189d]
KASAN: slab-use-after-free Read in __ext4_check_dir_entry prio:high ext4 19 C error error 6 31d 340d PATCH [327d]
KASAN: use-after-free Read in ext4_ext_insert_extent prio:high ext4 22 C done error 10 93d 376d 💬 1 [247d]
INFO: rcu detected stall in ext4_end_io_rsv_work (3) prio:normal ext4 mm 1 C error error 3 153d 390d
kernel BUG in ext4_ext_insert_extent (2) ext4 prio:high -1 C done error 38 83d 420d
WARNING in __jbd2_log_wait_for_space ocfs2 ext4 -1 C inconclusive done 6 198d 519d
KASAN: use-after-free Read in ext4_find_extent (4) ext4 prio:high 19 C done error 307 68d 522d PATCH [196d]
INFO: task hung in find_inode_fast (4) ext4 1 C error error 22 18d 530d
INFO: task hung in do_get_write_access (3) prio:low ext4 1 C error 466 3d13h 559d
divide error in qnx6_mmi_fill_super ext4 prio:high 2 C unreliable inconclusive 7 75d 581d PATCH [579d]
WARNING in ext4_iomap_begin (3) ext4 prio:high -1 C inconclusive 131 22d 582d
possible deadlock in ext4_writepages (2) ext4 prio:high 4 C unreliable 9377 now 594d 💬 1 [27d]
WARNING in ext4_journal_check_start (2) ext4 -1 C inconclusive inconclusive 78 11d 596d PATCH [392d]
possible deadlock in ext4_xattr_inode_lookup_create ext4 prio:high 4 C done error 287 16d 616d
KASAN: out-of-bounds Read in ext4_xattr_set_entry prio:high ext4 22 C error 7556 10h52m 622d PATCH [162d]
KASAN: use-after-free Read in ext4_inlinedir_to_tree ext4 19 C done error 6 154d 646d 💬 1 [646d]
kernel BUG in ext4_mb_use_inode_pa (2) ext4 -1 C error 298 37m 667d
WARNING in ext4_xattr_inode_lookup_create prio:low ext4 -1 C inconclusive 996 29d 738d PATCH [738d]
INFO: task hung in jbd2_journal_commit_transaction (5) ext4 1 C error error 2190 4d12h 752d
INFO: task hung in do_renameat2 (2) prio:high ext4 1 C inconclusive error 278 154d 761d
WARNING in ext4_xattr_set_entry (2) ext4 -1 C error 9 752d 786d
kernel BUG in ext4_write_inline_data_end (2) ext4 -1 C inconclusive error 173 43d 855d PATCH [330d]
INFO: task hung in sync_inodes_sb (5) xfs ext4 1 C error inconclusive 2951 2d04h 1054d
WARNING: locking bug in ext4_ioctl ext4 4 C done done 923 546d 1097d PATCH [616d]
WARNING: locking bug in __ext4_ioctl ext4 4 C done error 849 563d 1097d
kernel BUG in ext4_do_writepages ext4 prio:high -1 C error 3183 5h43m 1266d 💬 9 [27d]
kernel BUG in __ext4_journal_stop ext4 -1 C error done 42 20d 1286d 💬 7 [816d]
moderation (18) 🔗
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 6d02h 6d02h
KCSAN: data-race in _copy_to_iter / string (6) ext4 race:benign prio:high 6 1 20d 20d
KCSAN: data-race in _copy_to_iter / kmmpd (4) prio:low ext4 6 2 18d 32d
KCSAN: data-race in memchr / vsnprintf (2) prio:low ext4 net 6 2 36d 32d
KCSAN: data-race in has_bh_in_lru / invalidate_bh_lru (9) ext4 prio:high 6 5 11d 114d
KCSAN: data-race in atime_needs_update / inode_update_time ext4 prio:low 6 10 14d 116d
KCSAN: data-race in xas_find_marked / xas_init_marks (6) ext4 mm prio:high 6 19 49d 274d
KCSAN: data-race in _prb_read_valid / prb_reserve_in_last (2) ext4 prio:low 6 33 10d 317d
KCSAN: data-race in copy_folio_from_iter_atomic / copy_folio_from_iter_atomic ext4 prio:low 6 167 1d01h 366d
KCSAN: data-race in find_get_block_common / has_bh_in_lru ext4 prio:low 6 299 3d19h 405d
KCSAN: data-race in _prb_read_valid / data_alloc net ext4 prio:low 6 495 15h07m 406d
KCSAN: data-race in data_push_tail / vsnprintf (9) prio:low ext4 6 228 1d08h 470d
KCSAN: data-race in __filemap_add_folio / nr_blockdev_pages (3) ext4 prio:low 6 174 4d12h 909d
KCSAN: data-race in filemap_splice_read / filemap_splice_read ext4 prio:low 6 1563 9h40m 912d
KCSAN: data-race in data_push_tail / string ext4 audit prio:low 6 490 1d19h 1779d
KCSAN: data-race in data_alloc / prb_reserve net ext4 prio:low 6 1266 5d07h 1898d
KCSAN: data-race in _prb_read_valid / prb_reserve bridge ext4 prio:high 6 3889 2d19h 2034d
KCSAN: data-race in __find_get_block / has_bh_in_lru ext4 6 syz 2497 406d 2315d