ext4 subsystem


List(s): linux-ext4@vger.kernel.org
Fixed bugs: 190
Parent subsystem(s): fs (132)
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
WARNING in start_this_handle prio:low ext4 -1 syz, C 2 21h08m 21h07m
WARNING in ext4_journalled_invalidate_folio prio:low ext4 -1 syz, C 18 7h43m 2d00h PATCH [17h54m]
INFO: task hung in bdev_freeze prio:low block ext4 1 syz, C 2 4d14h 4d14h PATCH [2d15h]
memory leak in __pcs_replace_full_main btrfs ext4 ntfs3 prio:high 3 syz 1 13d 9d06h
BUG: unable to handle kernel paging request in blk_mq_exit_hctx prio:low block ext4 8 syz, C 4 9d21h 12d PATCH [8d09h]
WARNING in ext4_do_writepages ext4 prio:low -1 syz, C error 285 17h32m 14d 💬 1 [12d]
possible deadlock in dqget (3) ext4 4 1 23d 19d
KASAN: slab-use-after-free Write in do_split prio:high ext4 22 syz, C done 6 16d 46d PATCH [7d20h]
WARNING in ext4_write_inode (4) prio:low ext4 -1 2 51d 52d
INFO: task hung in do_new_mount (4) prio:high ext4 fuse 1 syz 8 32d 53d
KASAN: use-after-free Read in ext4_read_inline_data (2) prio:high ext4 19 syz, C error 1 11d 60d PATCH [26d]
linux-next test error: general protection fault in __bh_submit prio:high ext4 -1 2 72d 69d 💬 1 [68d]
KASAN: use-after-free Read in register_bcache prio:high ext4 bcache 19 syz, C 11 76d 96d PATCH [31d]
kernel BUG in ext4_write_inline_data_end (3) prio:normal ext4 -1 syz 1 107d 120d PATCH [113d]
KASAN: use-after-free Read in ext4_xattr_list_entries (2) actionable prio:high ext4 19 8 31d 157d
BUG: unable to handle kernel NULL pointer dereference in qlist_free_all (10) prio:low mm ext4 10 syz, C 3 163d 177d
INFO: task jbd2/sda1-NUM:NUM blocked in I/O wait for more than NUM seconds. prio:low ext4 -1 syz, C 12 171d 197d PATCH [108d]
KASAN: use-after-free Read in xattr_find_entry (2) prio:high ext4 19 syz, C error error 3 12d 264d PATCH [217d]
INFO: task hung in block_read_full_folio (3) prio:high ext4 1 syz, C error error 19 31d 275d PATCH [67d]
INFO: task hung in __start_renaming prio:high ext4 1 syz, C done error 71 141d 355d 💬 11 [353d]
possible deadlock in ext4_xattr_set_handle (7) prio:high ext4 4 syz, C unreliable done 2502 71d 365d PATCH [122d]
possible deadlock in ext4_destroy_inline_data (2) prio:low ext4 4 syz, C error error 9790 71d 373d PATCH [148d]
INFO: rcu detected stall in unwind_next_frame (5) prio:low ext4 1 syz, C error error 71 12d 396d
INFO: rcu detected stall in ext4_file_mmap_prepare prio:high ext4 1 syz, C error 4 51d 423d
possible deadlock in do_writepages (2) prio:normal ext4 4 syz, C unreliable error 883 86d 423d
WARNING in ext4_mb_load_buddy_gfp prio:high ext4 mm -1 syz, C 611 4h30m 424d PATCH [415d]
INFO: rcu detected stall in wb_workfn (4) prio:normal ext4 1 syz, C error error 79 11d 490d 💬 2 [1d17h]
INFO: rcu detected stall in ext4_end_io_rsv_work (3) prio:normal mm ext4 1 syz, C error error 3 313d 550d
INFO: task hung in find_inode_fast (4) prio:high ext4 1 syz, C error error 30 80d 691d PATCH [137d]
INFO: task hung in do_get_write_access (3) prio:low ext4 1 syz, C error 2103 1d07h 720d
WARNING in ext4_iomap_begin (3) prio:high ext4 -1 syz, C inconclusive error 358 3d20h 743d
possible deadlock in ext4_writepages (2) prio:high ext4 4 syz, C unreliable done 21100 71d 755d 💬 1 [21d]
WARNING in ext4_journal_check_start (2) ext4 prio:low -1 syz, C inconclusive inconclusive 206 1d20h 757d PATCH [108d]
KASAN: out-of-bounds Read in ext4_xattr_set_entry prio:high ext4 22 syz, C error 8197 now 783d PATCH [323d]
KASAN: use-after-free Read in ext4_inlinedir_to_tree ext4 19 syz, C done error 6 315d 807d 💬 1 [806d]
kernel BUG in ext4_mb_use_inode_pa (2) ext4 -1 syz, C error 547 42m 828d
WARNING in ext4_xattr_inode_lookup_create prio:low ext4 -1 syz, C inconclusive error 1007 19d 899d PATCH [899d]
INFO: task hung in jbd2_journal_commit_transaction (5) prio:low ext4 1 syz, C error error 3681 19h07m 913d
INFO: task hung in sync_inodes_sb (5) xfs ext4 1 syz, C error inconclusive 3032 48d 1215d
WARNING: locking bug in ext4_ioctl ext4 4 syz, C done done 923 707d 1258d PATCH [777d]
WARNING: locking bug in __ext4_ioctl ext4 4 syz, C done error 849 724d 1258d
kernel BUG in ext4_do_writepages prio:high ext4 -1 syz, C error 6067 16h33m 1427d PATCH [109d]
kernel BUG in __ext4_journal_stop ext4 -1 syz, C error done 44 105d 1446d 💬 7 [976d]
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
KCSAN: data-race in __filemap_add_folio / filemap_write_and_wait_range (2) ext4 prio:low race:benign 6 1 1d17h 1d17h
KCSAN: data-race in _copy_to_iter / vsnprintf (2) race:benign prio:low ext4 6 1 24d 24d
KCSAN: data-race in data_push_tail / uuid_string (7) race:benign prio:high ext4 6 2 31d 52d
KCSAN: data-race in xas_find_marked / xas_init_marks (8) race:benign prio:low ext4 6 C 2 14d 62d
KCSAN: data-race in has_bh_in_lru / invalidate_bh_lru (10) race:benign prio:high exfat ext4 6 C 5 2d08h 81d PATCH [2d15h]
WARNING: proc registration bug in jbd2_journal_destroy prio:low ext4 -1 3 29d 103d
KCSAN: data-race in __follow_mount_rcu / d_set_mounted prio:low ext4 6 27 21d 345d
KCSAN: data-race in _prb_read_valid / prb_reserve_in_last (2) prio:low ext4 isofs 6 54 2h57m 478d
KCSAN: data-race in copy_folio_from_iter_atomic / copy_folio_from_iter_atomic prio:low ext4 6 C 245 1d12h 527d
KCSAN: data-race in find_get_block_common / has_bh_in_lru prio:low ext4 exfat 6 350 23h48m 566d
KCSAN: data-race in _prb_read_valid / data_alloc prio:low ext4 6 608 12h42m 567d
KCSAN: data-race in data_push_tail / vsnprintf (9) prio:low ext4 6 260 12d 630d
KCSAN: data-race in filemap_splice_read / filemap_splice_read prio:low ext4 6 C 1678 5d05h 1072d
KCSAN: data-race in __find_get_block / has_bh_in_lru ext4 6 syz 2497 567d 2476d