ext4 subsystem


List(s): linux-ext4@vger.kernel.org
Fixed bugs: 185
Parent subsystem(s): fs (144)
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
linux-next test error: general protection fault in __bh_submit ext4 prio:high -1 2 5d23h 2d21h 💬 1 [1d22h]
general protection fault in __bh_submit ext4 prio:high 2 syz, C 15208 now 7d10h 💬 3 [4d01h]
KASAN: use-after-free Read in register_bcache prio:high ext4 bcache 19 syz, C 11 10d 29d PATCH [22d]
WARNING in __ext4_handle_dirty_metadata prio:low ext4 -1 1 46d 42d
kernel BUG in ext4_write_inline_data_end (3) prio:normal ext4 -1 syz 1 40d 54d PATCH [47d]
KASAN: use-after-free Read in ext4_search_dir (3) prio:high actionable ext4 19 2 37d 61d
INFO: task hung in ext4_write_end prio:high ext4 1 syz error 16 4d11h 68d
INFO: task hung in ext4_load_tail_bh prio:high ext4 1 syz, C 1 52d 68d
KASAN: use-after-free Read in ext4_xattr_list_entries (2) actionable prio:high ext4 19 7 18d 90d
kernel BUG in ext4_write_inline_data (5) prio:high ext4 -1 syz error 28 21d 91d
BUG: unable to handle kernel NULL pointer dereference in qlist_free_all (10) prio:low mm ext4 10 syz, C 3 96d 110d
INFO: task jbd2/sda1-NUM:NUM blocked in I/O wait for more than NUM seconds. prio:low ext4 -1 syz, C 12 104d 130d PATCH [41d]
WARNING in jbd2_journal_dirty_metadata (3) prio:high ext4 -1 21 33d 138d
KASAN: use-after-free Read in xattr_find_entry (2) prio:high ext4 19 syz, C error error 3 16d 197d PATCH [150d]
INFO: task hung in block_read_full_folio (3) prio:high ext4 1 syz, C error error 19 12d 208d PATCH [22h02m]
kernel BUG in ext4_es_cache_extent (4) prio:high ext4 -1 syz, C error error 15 167d 211d 💬 8 [179d]
possible deadlock in evict (4) prio:high ext4 4 46 26d 285d
INFO: task hung in __start_renaming prio:high ext4 1 syz, C done error 71 74d 288d 💬 11 [287d]
possible deadlock in ext4_xattr_set_handle (7) prio:high ext4 4 syz, C unreliable 2502 5d01h 299d PATCH [56d]
possible deadlock in ext4_destroy_inline_data (2) prio:low ext4 4 syz, C error 9790 5d01h 306d PATCH [81d]
WARNING in get_data prio:high ext4 -1 syz, C error 1613 301d 318d
WARNING in ext4_write_inode (3) prio:high ext4 -1 10 96d 326d
KMSAN: uninit-value in fscrypt_crypt_data_unit ext4 fscrypt prio:high 7 syz, C 202 84d 328d PATCH [76d]
INFO: rcu detected stall in unwind_next_frame (5) prio:low ext4 1 syz, C error error 62 4d08h 329d
INFO: rcu detected stall in ext4_file_mmap_prepare prio:high ext4 1 syz, C error 3 13d 356d
possible deadlock in do_writepages (2) prio:normal ext4 4 syz, C unreliable 883 20d 357d
WARNING in ext4_mb_load_buddy_gfp prio:high ext4 mm -1 syz, C 74 2h31m 358d PATCH [348d]
INFO: rcu detected stall in wb_workfn (4) prio:normal ext4 1 syz, C error error 72 7d23h 424d 💬 2 [45d]
INFO: rcu detected stall in ext4_end_io_rsv_work (3) prio:normal mm ext4 1 syz, C error error 3 247d 484d
INFO: task hung in find_inode_fast (4) ext4 prio:high 1 syz, C error error 30 13d 624d PATCH [71d]
INFO: task hung in do_get_write_access (3) prio:low ext4 1 syz, C error 1137 1h14m 653d
divide error in qnx6_mmi_fill_super prio:high ext4 2 syz, C unreliable inconclusive 7 66d 675d PATCH [673d]
WARNING in ext4_iomap_begin (3) prio:high ext4 -1 syz, C inconclusive error 220 11h19m 677d
possible deadlock in ext4_writepages (2) prio:high ext4 4 syz, C unreliable 21100 5d00h 688d 💬 1 [28d]
WARNING in ext4_journal_check_start (2) ext4 -1 syz, C inconclusive inconclusive 111 1d02h 690d PATCH [42d]
KASAN: out-of-bounds Read in ext4_xattr_set_entry prio:high ext4 22 syz, C error 7955 11h14m 716d PATCH [256d]
KASAN: use-after-free Read in ext4_inlinedir_to_tree ext4 19 syz, C done error 6 248d 740d 💬 1 [740d]
kernel BUG in ext4_mb_use_inode_pa (2) ext4 -1 syz, C error 471 4h00m 761d
WARNING in ext4_xattr_inode_lookup_create prio:low ext4 -1 syz, C inconclusive error 1002 16d 832d PATCH [832d]
INFO: task hung in jbd2_journal_commit_transaction (5) ext4 prio:low 1 syz, C error error 2831 1h13m 846d
WARNING in ext4_xattr_set_entry (2) ext4 -1 syz, C error 9 846d 880d PATCH [7d03h]
INFO: task hung in sync_inodes_sb (5) ext4 xfs 1 syz, C error inconclusive 3026 1d19h 1148d
WARNING: locking bug in ext4_ioctl ext4 4 syz, C done done 923 640d 1191d PATCH [710d]
WARNING: locking bug in __ext4_ioctl ext4 4 syz, C done error 849 657d 1191d
kernel BUG in ext4_do_writepages prio:high ext4 -1 syz, C error 4647 31m 1360d PATCH [43d]
kernel BUG in __ext4_journal_stop ext4 -1 syz, C error done 44 38d 1380d 💬 7 [910d]
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
KCSAN: data-race in has_bh_in_lru / invalidate_bh_lru (10) ext4 race:benign prio:high 6 1 14d 14d
WARNING: proc registration bug in jbd2_journal_destroy prio:low ext4 -1 1 41d 37d
KCSAN: data-race in _copy_to_iter / string (7) race:benign prio:low ext4 6 1 43d 43d
KCSAN: data-race in _prb_read_valid / prb_reserve_in_last (2) prio:low ext4 6 48 1d00h 411d
KCSAN: data-race in copy_folio_from_iter_atomic / copy_folio_from_iter_atomic prio:low ext4 6 218 2d15h 460d
KCSAN: data-race in find_get_block_common / has_bh_in_lru prio:low ext4 6 327 1d11h 499d
KCSAN: data-race in _prb_read_valid / data_alloc prio:low ext4 6 588 1d15h 500d
KCSAN: data-race in data_push_tail / vsnprintf (9) prio:low ext4 6 251 3d10h 564d
KCSAN: data-race in data_alloc / data_push_tail (3) prio:low ext4 block 6 75 45d 730d
KCSAN: data-race in filemap_splice_read / filemap_splice_read prio:low ext4 6 1625 7h34m 1006d
KCSAN: data-race in _prb_read_valid / prb_reserve prio:high ext4 6 3945 8h35m 2129d
KCSAN: data-race in __find_get_block / has_bh_in_lru ext4 6 syz 2497 500d 2409d