ext4 subsystem


List(s): linux-ext4@vger.kernel.org
Fixed bugs: 189
Parent subsystem(s): fs (141)
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
KASAN: slab-use-after-free Write in do_split ext4 prio:high 22 syz, C done 6 18d 18d PATCH [11d]
WARNING in ext4_write_inode (4) ext4 prio:low -1 2 23d 24d
INFO: task hung in do_new_mount (4) prio:high fuse ext4 1 syz 8 5d00h 25d
KASAN: use-after-free Read in ext4_read_inline_data (2) prio:high ext4 19 syz, C error 1 16d 32d PATCH [22d]
linux-next test error: general protection fault in __bh_submit prio:high ext4 -1 2 44d 41d 💬 1 [40d]
KASAN: use-after-free Read in register_bcache prio:high ext4 bcache 19 syz, C 11 49d 68d PATCH [4d03h]
WARNING in __ext4_handle_dirty_metadata prio:low ext4 -1 1 85d 81d
kernel BUG in ext4_write_inline_data_end (3) prio:normal ext4 -1 syz 1 79d 93d PATCH [85d]
KASAN: use-after-free Read in ext4_search_dir (3) prio:high actionable ext4 19 2 76d 100d
INFO: task hung in ext4_write_end prio:high ext4 1 syz error 16 16d 107d PATCH [3h20m]
INFO: task hung in ext4_load_tail_bh prio:high ext4 1 syz, C 1 91d 107d
KASAN: use-after-free Read in ext4_xattr_list_entries (2) actionable prio:high ext4 19 8 4d01h 129d
kernel BUG in ext4_write_inline_data (5) prio:high ext4 -1 syz error error 28 60d 130d
BUG: unable to handle kernel NULL pointer dereference in qlist_free_all (10) prio:low mm ext4 10 syz, C 3 135d 149d
INFO: task jbd2/sda1-NUM:NUM blocked in I/O wait for more than NUM seconds. prio:low ext4 -1 syz, C 12 143d 169d PATCH [80d]
WARNING in jbd2_journal_dirty_metadata (3) prio:high ext4 -1 21 72d 177d
KASAN: use-after-free Read in xattr_find_entry (2) prio:high ext4 19 syz, C error error 3 55d 236d PATCH [189d]
INFO: task hung in block_read_full_folio (3) prio:high ext4 1 syz, C error error 19 3d18h 247d PATCH [39d]
possible deadlock in evict (4) prio:high ext4 4 46 65d 324d
INFO: task hung in __start_renaming prio:high ext4 1 syz, C done error 71 113d 327d 💬 11 [326d]
possible deadlock in ext4_xattr_set_handle (7) prio:high ext4 4 syz, C unreliable 2502 43d 338d PATCH [95d]
possible deadlock in ext4_destroy_inline_data (2) prio:low ext4 4 syz, C error 9790 43d 345d PATCH [120d]
WARNING in get_data prio:high ext4 -1 syz, C error 1613 340d 357d
INFO: rcu detected stall in unwind_next_frame (5) prio:low ext4 1 syz, C error error 68 33m 368d
INFO: rcu detected stall in ext4_file_mmap_prepare prio:high ext4 1 syz, C error 4 23d 395d
possible deadlock in do_writepages (2) prio:normal ext4 4 syz, C unreliable error 883 58d 396d
WARNING in ext4_mb_load_buddy_gfp prio:high ext4 mm -1 syz, C 333 9h15m 397d PATCH [387d]
INFO: rcu detected stall in wb_workfn (4) prio:normal ext4 1 syz, C error error 78 6d09h 462d 💬 2 [5d06h]
INFO: rcu detected stall in ext4_end_io_rsv_work (3) prio:normal mm ext4 1 syz, C error error 3 286d 523d
INFO: task hung in find_inode_fast (4) prio:high ext4 1 syz, C error error 30 52d 663d PATCH [110d]
INFO: task hung in do_get_write_access (3) prio:low ext4 1 syz, C error 1837 7h34m 692d
divide error in qnx6_mmi_fill_super prio:high ext4 2 syz, C unreliable inconclusive 10 1d11h 714d PATCH [8d23h]
WARNING in ext4_iomap_begin (3) prio:high ext4 -1 syz, C inconclusive error 347 1d08h 715d
possible deadlock in ext4_writepages (2) prio:high ext4 4 syz, C unreliable 21100 43d 727d 💬 1 [36d]
WARNING in ext4_journal_check_start (2) ext4 -1 syz, C inconclusive inconclusive 185 21h53m 729d PATCH [80d]
KASAN: out-of-bounds Read in ext4_xattr_set_entry prio:high ext4 22 syz, C error 8094 59m 755d PATCH [295d]
KASAN: use-after-free Read in ext4_inlinedir_to_tree ext4 19 syz, C done error 6 287d 779d 💬 1 [779d]
kernel BUG in ext4_mb_use_inode_pa (2) ext4 -1 syz, C error 524 3h34m 800d
WARNING in ext4_xattr_inode_lookup_create prio:low ext4 -1 syz, C inconclusive error 1006 6d17h 871d PATCH [871d]
INFO: task hung in jbd2_journal_commit_transaction (5) prio:low ext4 1 syz, C error error 3436 11h24m 885d
INFO: task hung in sync_inodes_sb (5) xfs ext4 1 syz, C error inconclusive 3032 20d 1187d
WARNING: locking bug in ext4_ioctl ext4 4 syz, C done done 923 679d 1230d PATCH [749d]
WARNING: locking bug in __ext4_ioctl ext4 4 syz, C done error 849 696d 1230d
kernel BUG in ext4_do_writepages prio:high ext4 -1 syz, C error 5777 2h18m 1399d PATCH [82d]
kernel BUG in __ext4_journal_stop ext4 -1 syz, C error done 44 77d 1419d 💬 7 [949d]
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
KCSAN: data-race in data_push_tail / uuid_string (7) ext4 race:benign prio:high 6 2 4d00h 24d
KCSAN: data-race in xas_find_marked / xas_init_marks (8) race:benign prio:low ext4 6 C 2 15d 34d
KCSAN: data-race in has_bh_in_lru / invalidate_bh_lru (10) race:benign prio:high ext4 6 C 5 12d 53d
WARNING: proc registration bug in jbd2_journal_destroy prio:low ext4 -1 3 1d14h 75d
KCSAN: data-race in find_get_block_common / has_bh_in_lru prio:low ext4 6 339 3d06h 538d
KCSAN: data-race in _prb_read_valid / data_alloc prio:low ext4 6 603 1d12h 539d
KCSAN: data-race in data_push_tail / vsnprintf (9) prio:low ext4 6 257 9d20h 603d
KCSAN: data-race in _prb_read_valid / prb_reserve prio:high ext4 nfs 6 C 3975 23h40m 2167d
KCSAN: data-race in __find_get_block / has_bh_in_lru ext4 6 syz 2497 539d 2448d