ext4 subsystem


List(s): linux-ext4@vger.kernel.org
Fixed bugs: 189
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 prio:high 22 syz, C done 6 26d 26d PATCH [19d]
WARNING in ext4_write_inode (4) prio:low ext4 -1 2 31d 32d
INFO: task hung in do_new_mount (4) prio:high fuse ext4 1 syz 8 12d 33d
KASAN: use-after-free Read in ext4_read_inline_data (2) prio:high ext4 19 syz, C error 1 24d 40d PATCH [6d21h]
linux-next test error: general protection fault in __bh_submit prio:high ext4 -1 2 52d 49d 💬 1 [48d]
KASAN: use-after-free Read in register_bcache prio:high ext4 bcache 19 syz, C 11 57d 76d PATCH [12d]
WARNING in __ext4_handle_dirty_metadata prio:low ext4 -1 1 93d 89d
kernel BUG in ext4_write_inline_data_end (3) prio:normal ext4 -1 syz 1 87d 101d PATCH [93d]
KASAN: use-after-free Read in ext4_search_dir (3) prio:high actionable ext4 19 2 83d 108d
INFO: task hung in ext4_write_end prio:high ext4 1 syz error 16 24d 115d PATCH [7d05h]
INFO: task hung in ext4_load_tail_bh prio:high ext4 1 syz, C 1 99d 115d
KASAN: use-after-free Read in ext4_xattr_list_entries (2) actionable prio:high ext4 19 8 11d 137d
kernel BUG in ext4_write_inline_data (5) prio:high ext4 -1 syz error error 28 68d 138d
BUG: unable to handle kernel NULL pointer dereference in qlist_free_all (10) prio:low mm ext4 10 syz, C 3 143d 157d
INFO: task jbd2/sda1-NUM:NUM blocked in I/O wait for more than NUM seconds. prio:low ext4 -1 syz, C 12 151d 177d PATCH [88d]
KASAN: use-after-free Read in xattr_find_entry (2) prio:high ext4 19 syz, C error error 3 63d 244d PATCH [197d]
INFO: task hung in block_read_full_folio (3) prio:high ext4 1 syz, C error error 19 11d 255d PATCH [47d]
possible deadlock in evict (4) prio:high ext4 4 46 73d 332d
INFO: task hung in __start_renaming prio:high ext4 1 syz, C done error 71 121d 335d 💬 11 [333d]
possible deadlock in ext4_xattr_set_handle (7) prio:high ext4 4 syz, C unreliable done 2502 51d 346d PATCH [103d]
possible deadlock in ext4_destroy_inline_data (2) prio:low ext4 4 syz, C error error 9790 51d 353d PATCH [128d]
WARNING in get_data prio:high ext4 -1 syz, C error 1613 348d 365d
INFO: rcu detected stall in unwind_next_frame (5) prio:low ext4 1 syz, C error error 69 7d00h 376d
INFO: rcu detected stall in ext4_file_mmap_prepare prio:high ext4 1 syz, C error 4 31d 403d
possible deadlock in do_writepages (2) prio:normal ext4 4 syz, C unreliable error 883 66d 404d
WARNING in ext4_mb_load_buddy_gfp prio:high ext4 mm -1 syz, C 435 32m 405d PATCH [395d]
INFO: rcu detected stall in wb_workfn (4) prio:normal ext4 1 syz, C error error 78 14d 470d 💬 2 [13d]
INFO: rcu detected stall in ext4_end_io_rsv_work (3) prio:normal mm ext4 1 syz, C error error 3 293d 530d
INFO: task hung in find_inode_fast (4) prio:high ext4 1 syz, C error error 30 60d 671d PATCH [117d]
INFO: task hung in do_get_write_access (3) prio:low ext4 1 syz, C error 1912 7h18m 700d
WARNING in ext4_iomap_begin (3) prio:high ext4 -1 syz, C inconclusive error 351 3d23h 723d
possible deadlock in ext4_writepages (2) prio:high ext4 4 syz, C unreliable done 21100 51d 735d 💬 1 [1d14h]
WARNING in ext4_journal_check_start (2) ext4 -1 syz, C inconclusive inconclusive 191 2d04h 737d PATCH [88d]
KASAN: out-of-bounds Read in ext4_xattr_set_entry prio:high ext4 22 syz, C error 8128 4h46m 763d PATCH [303d]
KASAN: use-after-free Read in ext4_inlinedir_to_tree ext4 19 syz, C done error 6 295d 787d 💬 1 [786d]
kernel BUG in ext4_mb_use_inode_pa (2) ext4 -1 syz, C error 532 now 808d
WARNING in ext4_xattr_inode_lookup_create prio:low ext4 -1 syz, C inconclusive error 1006 14d 879d PATCH [879d]
INFO: task hung in jbd2_journal_commit_transaction (5) prio:low ext4 1 syz, C error error 3509 6h57m 893d
INFO: task hung in sync_inodes_sb (5) xfs ext4 1 syz, C error inconclusive 3032 28d 1195d
WARNING: locking bug in ext4_ioctl ext4 4 syz, C done done 923 687d 1238d PATCH [757d]
WARNING: locking bug in __ext4_ioctl ext4 4 syz, C done error 849 704d 1238d
kernel BUG in ext4_do_writepages prio:high ext4 -1 syz, C error 5977 1h51m 1407d PATCH [89d]
kernel BUG in __ext4_journal_stop ext4 -1 syz, C error done 44 85d 1426d 💬 7 [956d]
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
KCSAN: data-race in _copy_to_iter / vsnprintf (2) ext4 race:benign prio:low 6 1 4d15h 4d15h
KCSAN: data-race in data_push_tail / uuid_string (7) race:benign prio:high ext4 6 2 11d 32d
KCSAN: data-race in xas_find_marked / xas_init_marks (8) race:benign prio:low ext4 6 C 2 23d 42d
KCSAN: data-race in has_bh_in_lru / invalidate_bh_lru (10) race:benign prio:high ext4 6 C 5 19d 61d
WARNING: proc registration bug in jbd2_journal_destroy prio:low ext4 -1 3 9d12h 83d
KCSAN: data-race in find_get_block_common / has_bh_in_lru prio:low ext4 exfat 6 341 1d01h 546d
KCSAN: data-race in _prb_read_valid / data_alloc prio:low ext4 6 606 1d03h 547d
KCSAN: data-race in data_push_tail / vsnprintf (9) prio:low ext4 6 257 17d 610d
KCSAN: data-race in _prb_read_valid / prb_reserve prio:high ext4 nfs 6 C 3982 20h58m 2175d
KCSAN: data-race in __find_get_block / has_bh_in_lru ext4 6 syz 2497 547d 2456d