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ext4 subsystem


List(s): linux-ext4@vger.kernel.org
Fixed bugs: 171
Parent subsystem(s): fs (148)
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
kernel BUG in ext4_write_inline_data (4) ext4 -1 syz error 3 6d17h 5d21h PATCH [1d11h]
WARNING in ext4_split_convert_extents ext4 -1 C error 5 19d 15d 💬 1 [14d]
KASAN: use-after-free Read in ext4_read_inline_data ext4 19 C 4 30d 26d
INFO: task hung in ext4_map_blocks (5) ext4 1 syz error 1 40d 36d
possible deadlock in wait_transaction_locked (3) ext4 4 71 3h57m 40d
kernel BUG in ext4_mb_normalize_request (2) ext4 -1 3 14d 42d
WARNING in update_rq_clock sound mm ext4 -1 16 21d 64d
possible deadlock in evict (4) ext4 4 12 10d 73d
WARNING in __folio_mark_dirty (3) ext4 -1 C error 92 9h36m 79d PATCH [34d]
possible deadlock in ext4_xattr_set_handle (7) ext4 4 C unreliable 76 5h54m 87d
possible deadlock in ext4_xattr_get (2) ext4 4 7 66d 92d
possible deadlock in ext4_destroy_inline_data (2) ext4 4 C error 1163 52m 94d 💬 5 [9d03h]
possible deadlock in ext4_evict_inode (5) ext4 4 C error 218 3h28m 95d
WARNING in ext4_xattr_inode_update_ref (2) ext4 -1 C error 4441 2h22m 100d 💬 2 [9d03h]
WARNING in ext4_write_inode (3) ext4 -1 2 29d 114d
KMSAN: uninit-value in fscrypt_crypt_data_unit ext4 fscrypt 7 C 99 1d02h 117d 💬 6 [58d]
INFO: rcu detected stall in unwind_next_frame (5) ext4 1 C error 39 3d13h 117d
INFO: rcu detected stall in ext4_file_mmap_prepare ext4 1 C error 1 145d 144d
possible deadlock in do_writepages (2) ext4 4 C unreliable 511 1d13h 145d
WARNING in ext4_mb_load_buddy_gfp ext4 mm -1 C 7 50d 146d PATCH [136d]
possible deadlock in ext4_truncate (2) ext4 4 C unreliable error 3 4d21h 167d 💬 4 [166d]
INFO: rcu detected stall in wb_workfn (4) ext4 1 C error 54 18d 212d 💬 1 [71d]
KASAN: slab-use-after-free Read in __ext4_check_dir_entry ext4 19 C error 5 7d13h 222d PATCH [209d]
WARNING in jbd2_journal_dirty_metadata (2) ext4 -1 58 9d12h 254d
KASAN: slab-out-of-bounds Read in ext4_ext_correct_indexes ext4 19 C error error 4 19d 258d
KASAN: use-after-free Read in ext4_ext_insert_extent ext4 22 C done 8 23d 258d 💬 1 [129d]
INFO: rcu detected stall in ext4_end_io_rsv_work (3) mm ext4 1 C error error 3 35d 272d
kernel BUG in ext4_ext_insert_extent (2) ext4 -1 C done 36 3d08h 302d
KASAN: slab-use-after-free Read in ext4_ext_remove_space ext4 19 C error 47 1d04h 314d
WARNING in __jbd2_log_wait_for_space ocfs2 ext4 -1 C inconclusive done 6 80d 401d
KASAN: use-after-free Read in ext4_find_extent (4) ext4 19 C done 236 3d14h 404d PATCH [78d]
INFO: task hung in find_inode_fast (4) ext4 1 C error 16 23d 412d
INFO: task hung in do_get_write_access (3) ext4 1 C error 463 2d10h 441d
divide error in qnx6_mmi_fill_super ext4 2 C unreliable inconclusive 5 8d18h 463d PATCH [461d]
WARNING in ext4_iomap_begin (3) ext4 -1 C inconclusive 87 13d 465d
possible deadlock in ext4_writepages (2) ext4 4 C unreliable 3606 24m 476d 💬 1 [9d03h]
WARNING in ext4_journal_check_start (2) ext4 -1 C inconclusive inconclusive 51 27d 478d PATCH [275d]
possible deadlock in ext4_xattr_inode_lookup_create ext4 4 C done 268 4d01h 498d
KASAN: out-of-bounds Read in ext4_xattr_set_entry ext4 22 C error 6409 1h09m 504d PATCH [44d]
KASAN: use-after-free Read in ext4_inlinedir_to_tree ext4 19 C done error 6 36d 528d 💬 1 [528d]
kernel BUG in ext4_mb_use_inode_pa (2) ext4 -1 C error 278 12h39m 549d
WARNING in ext4_xattr_inode_lookup_create ext4 -1 C inconclusive 994 4d03h 621d PATCH [620d]
INFO: task hung in jbd2_journal_commit_transaction (5) usb ext4 1 C error 2164 2d10h 634d
INFO: task hung in do_renameat2 (2) ext4 1 C inconclusive error 278 36d 643d
WARNING in ext4_xattr_set_entry (2) ext4 -1 C error 9 634d 668d
kernel BUG in ext4_write_inline_data_end (2) ext4 -1 C inconclusive error 173 65d 737d PATCH [212d]
INFO: task hung in sync_inodes_sb (5) xfs ext4 1 C error inconclusive 2928 23d 936d
WARNING: locking bug in ext4_ioctl ext4 4 C done done 923 428d 979d PATCH [498d]
WARNING: locking bug in __ext4_ioctl ext4 4 C done error 849 445d 979d
kernel BUG in ext4_do_writepages ext4 -1 C error 2933 2d07h 1148d 💬 9 [9d03h]
kernel BUG in __ext4_journal_stop ext4 -1 C error done 36 4d03h 1168d 💬 7 [698d]
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
KCSAN: data-race in _copy_to_iter / string (5) ext4 6 1 12h36m 12h36m
BUG: unable to handle kernel NULL pointer dereference in qlist_free_all (10) ext4 10 1 10d 6d00h
KCSAN: data-race in _copy_to_iter / set_overhead (4) ext4 6 1 9d00h 9d00h
KCSAN: data-race in data_push_tail / uuid_string (5) ext4 6 2 18d 38d
KCSAN: data-race in page_cache_ra_order / page_cache_sync_ra ext4 6 1 45d 45d
KCSAN: data-race in file_update_time_flags / inode_update_timestamps ext4 6 2 36d 56d
KCSAN: data-race in wb_wait_for_completion / writeback_sb_inodes ext4 6 13 14d 65d
KCSAN: data-race in _copy_to_iter / kmmpd (3) ext4 block 6 3 55d 89d
KASAN: use-after-free Read in ext4_xattr_list_entries ext4 19 4 29d 120d
KCSAN: data-race in xas_find_marked / xas_init_marks (6) mm ext4 6 14 41d 156d
KCSAN: data-race in copy_folio_from_iter_atomic / copy_folio_from_iter_atomic mm ext4 6 104 3d11h 248d
KCSAN: data-race in find_get_block_common / has_bh_in_lru exfat ext4 6 255 2d12h 287d
KCSAN: data-race in data_push_tail / vsnprintf (9) ext4 6 194 1d08h 352d
KCSAN: data-race in __filemap_add_folio / nr_blockdev_pages (3) ext4 6 156 4d23h 791d
KCSAN: data-race in delete_from_page_cache_batch / folio_mapping (2) block ext4 6 162 4d00h 794d
KCSAN: data-race in filemap_splice_read / filemap_splice_read ext4 6 1480 12h17m 794d
KCSAN: data-race in _prb_read_valid / prb_reserve ext4 6 3824 1d12h 1917d
KCSAN: data-race in __find_get_block / has_bh_in_lru ext4 6 syz 2497 288d 2197d