ext4 subsystem


List(s): linux-ext4@vger.kernel.org
Fixed bugs: 187
Parent subsystem(s): fs (143)
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
KASAN: slab-use-after-free Write in do_split ext4 22 syz, C done 6 13h42m 5h20m 💬 1 [2h14m]
WARNING in __folio_set_anon mm ext4 prio:low -1 syz, C 4 5d14h 4d22h PATCH [2h48m]
WARNING in ext4_write_inode (4) ext4 prio:low -1 2 5d04h 6d07h
INFO: task hung in do_new_mount (4) prio:high fuse ext4 1 syz 8 4d07h 7d11h
KASAN: use-after-free Read in ext4_read_inline_data (2) ext4 prio:high 19 syz, C error 1 15d 14d PATCH [4d11h]
linux-next test error: general protection fault in __bh_submit ext4 prio:high -1 2 26d 23d 💬 1 [22d]
KASAN: use-after-free Read in register_bcache prio:high ext4 bcache 19 syz, C 11 30d 50d PATCH [43d]
WARNING in __ext4_handle_dirty_metadata prio:low ext4 -1 1 67d 63d
kernel BUG in ext4_write_inline_data_end (3) prio:normal ext4 -1 syz 1 61d 74d PATCH [67d]
KASAN: use-after-free Read in ext4_search_dir (3) prio:high actionable ext4 19 2 57d 82d
INFO: task hung in ext4_write_end prio:high ext4 1 syz error 16 25d 88d PATCH [14d]
INFO: task hung in ext4_load_tail_bh prio:high ext4 1 syz, C 1 72d 88d
KASAN: use-after-free Read in ext4_xattr_list_entries (2) actionable prio:high ext4 19 7 39d 111d
kernel BUG in ext4_write_inline_data (5) prio:high ext4 -1 syz error error 28 41d 111d
BUG: unable to handle kernel NULL pointer dereference in qlist_free_all (10) prio:low mm ext4 10 syz, C 3 116d 130d
INFO: task jbd2/sda1-NUM:NUM blocked in I/O wait for more than NUM seconds. prio:low ext4 -1 syz, C 12 125d 151d PATCH [62d]
WARNING in jbd2_journal_dirty_metadata (3) prio:high ext4 -1 21 54d 159d
KASAN: use-after-free Read in xattr_find_entry (2) prio:high ext4 19 syz, C error error 3 37d 218d PATCH [171d]
INFO: task hung in block_read_full_folio (3) prio:high ext4 1 syz, C error error 19 4d13h 229d PATCH [21d]
possible deadlock in evict (4) prio:high ext4 4 46 47d 306d
INFO: task hung in __start_renaming prio:high ext4 1 syz, C done error 71 95d 309d 💬 11 [307d]
possible deadlock in ext4_xattr_set_handle (7) prio:high ext4 4 syz, C unreliable 2502 25d 319d PATCH [76d]
possible deadlock in ext4_destroy_inline_data (2) prio:low ext4 4 syz, C error 9790 25d 327d PATCH [102d]
WARNING in get_data prio:high ext4 -1 syz, C error 1613 321d 339d
KMSAN: uninit-value in fscrypt_crypt_data_unit ext4 fscrypt prio:high 7 syz, C 202 104d 349d PATCH [96d]
INFO: rcu detected stall in unwind_next_frame (5) prio:low ext4 1 syz, C error error 63 10d 350d
INFO: rcu detected stall in ext4_file_mmap_prepare prio:high ext4 1 syz, C error 4 5d11h 377d
possible deadlock in do_writepages (2) prio:normal ext4 4 syz, C unreliable error 883 40d 377d
WARNING in ext4_mb_load_buddy_gfp prio:high ext4 mm -1 syz, C 179 21h58m 378d PATCH [369d]
INFO: rcu detected stall in wb_workfn (4) prio:normal ext4 1 syz, C error error 76 1d01h 444d 💬 2 [66d]
INFO: rcu detected stall in ext4_end_io_rsv_work (3) prio:normal mm ext4 1 syz, C error error 3 267d 504d
INFO: task hung in find_inode_fast (4) prio:high ext4 1 syz, C error error 30 34d 645d PATCH [91d]
INFO: task hung in do_get_write_access (3) prio:low ext4 1 syz, C error 1542 45m 674d
divide error in qnx6_mmi_fill_super prio:high ext4 2 syz, C unreliable inconclusive 7 7d18h 696d PATCH [693d]
WARNING in ext4_iomap_begin (3) prio:high ext4 -1 syz, C inconclusive error 338 1d00h 697d
possible deadlock in ext4_writepages (2) prio:high ext4 4 syz, C unreliable 21100 25d 709d 💬 1 [17d]
WARNING in ext4_journal_check_start (2) ext4 -1 syz, C inconclusive inconclusive 115 2d00h 711d PATCH [62d]
KASAN: out-of-bounds Read in ext4_xattr_set_entry prio:high ext4 22 syz, C error 8038 4h46m 737d PATCH [277d]
KASAN: use-after-free Read in ext4_inlinedir_to_tree ext4 19 syz, C done error 6 269d 761d 💬 1 [760d]
kernel BUG in ext4_mb_use_inode_pa (2) ext4 -1 syz, C error 495 8h53m 781d
WARNING in ext4_xattr_inode_lookup_create prio:low ext4 -1 syz, C inconclusive error 1006 3d12h 853d PATCH [853d]
INFO: task hung in jbd2_journal_commit_transaction (5) prio:low ext4 1 syz, C error error 3203 33m 866d
WARNING in ext4_xattr_set_entry (2) ext4 -1 syz, C error 9 867d 900d PATCH [27d]
INFO: task hung in sync_inodes_sb (5) xfs ext4 1 syz, C error inconclusive 3032 2d04h 1168d
WARNING: locking bug in ext4_ioctl ext4 4 syz, C done done 923 661d 1211d PATCH [731d]
WARNING: locking bug in __ext4_ioctl ext4 4 syz, C done error 849 678d 1211d
kernel BUG in ext4_do_writepages prio:high ext4 -1 syz, C error 5398 4h42m 1381d PATCH [63d]
kernel BUG in __ext4_journal_stop ext4 -1 syz, C error done 44 59d 1400d 💬 7 [930d]
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 1 6d02h 6d02h
KCSAN: data-race in xas_find_marked / xas_init_marks (8) ext4 race:benign prio:low 6 1 16d 16d
KCSAN: data-race in has_bh_in_lru / invalidate_bh_lru (10) race:benign prio:high ext4 6 C 4 1d14h 34d
WARNING: proc registration bug in jbd2_journal_destroy prio:low ext4 -1 1 61d 57d
KCSAN: data-race in copy_folio_from_iter_atomic / copy_folio_from_iter_atomic prio:low ext4 mm 6 229 3d06h 481d
KCSAN: data-race in find_get_block_common / has_bh_in_lru prio:low ext4 6 333 12h19m 520d
KCSAN: data-race in _prb_read_valid / data_alloc prio:low ext4 6 595 1d08h 521d
KCSAN: data-race in data_push_tail / vsnprintf (9) prio:low ext4 6 255 1d17h 584d
KCSAN: data-race in __find_get_block / has_bh_in_lru ext4 6 syz 2497 521d 2430d