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ext4 subsystem


List(s): linux-ext4@vger.kernel.org
Fixed bugs: 176
Parent subsystem(s): fs (154)
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
kernel BUG in ext4_ext_map_blocks ext4 -1 2 29d 31d
KASAN: use-after-free Read in xattr_find_entry (2) ext4 19 C error 3 27d 38d PATCH [1d10h]
INFO: task hung in block_read_full_folio (3) ext4 1 C error 7 7d06h 49d
kernel BUG in ext4_es_cache_extent (4) ext4 -1 C error 15 8d04h 51d 💬 8 [20d]
WARNING in ext4_split_convert_extents ext4 -1 C error 5 71d 68d 💬 1 [66d]
KASAN: use-after-free Read in ext4_read_inline_data ext4 19 C 4 82d 79d
possible deadlock in wait_transaction_locked (3) ext4 4 C error 159 1d22h 92d 💬 1 [37d]
kernel BUG in ext4_mb_normalize_request (2) ext4 -1 15 5d15h 95d
possible deadlock in evict (4) ext4 4 17 1d02h 126d
WARNING in __folio_mark_dirty (3) ext4 -1 C error 106 7h33m 132d PATCH [86d]
possible deadlock in ext4_xattr_set_handle (7) ext4 4 C unreliable 102 6d19h 139d
possible deadlock in ext4_destroy_inline_data (2) ext4 4 C error 2265 13m 147d 💬 5 [29d]
possible deadlock in ext4_evict_inode (5) ext4 4 C error 345 10h25m 147d
WARNING in ext4_xattr_inode_update_ref (2) ext4 -1 C error 6279 2h14m 153d 💬 2 [29d]
WARNING in ext4_write_inode (3) ext4 -1 6 5h07m 167d
KMSAN: uninit-value in fscrypt_crypt_data_unit ext4 fscrypt 7 C 144 1d15h 169d 💬 6 [110d]
INFO: rcu detected stall in unwind_next_frame (5) ext4 1 C error 43 27d 170d
INFO: rcu detected stall in ext4_file_mmap_prepare ext4 1 C error 1 197d 197d
possible deadlock in do_writepages (2) ext4 4 C unreliable 648 2h41m 197d
WARNING in ext4_mb_load_buddy_gfp ext4 mm -1 C 7 32d 198d PATCH [189d]
possible deadlock in ext4_truncate (2) ext4 4 C unreliable error 3 57d 219d 💬 4 [218d]
INFO: rcu detected stall in wb_workfn (4) ext4 1 C error 58 10d 264d 💬 1 [124d]
KASAN: slab-use-after-free Read in __ext4_check_dir_entry ext4 19 C error 6 23d 275d PATCH [261d]
WARNING in jbd2_journal_dirty_metadata (2) ext4 -1 58 61d 306d
KASAN: use-after-free Read in ext4_ext_insert_extent ext4 22 C done error 10 27d 311d 💬 1 [182d]
INFO: rcu detected stall in ext4_end_io_rsv_work (3) ext4 mm 1 C error error 3 87d 324d
kernel BUG in ext4_ext_insert_extent (2) ext4 -1 C done 38 18d 355d
WARNING in __jbd2_log_wait_for_space ocfs2 ext4 -1 C inconclusive done 6 133d 453d
KASAN: use-after-free Read in ext4_find_extent (4) ext4 19 C done 307 3d14h 457d PATCH [130d]
INFO: task hung in find_inode_fast (4) ext4 1 C error error 18 4d14h 465d
INFO: task hung in do_get_write_access (3) ext4 1 C error 464 30d 494d
divide error in qnx6_mmi_fill_super ext4 2 C unreliable inconclusive 7 10d 516d PATCH [513d]
WARNING in ext4_iomap_begin (3) ext4 -1 C inconclusive 89 7d15h 517d
possible deadlock in ext4_writepages (2) ext4 4 C unreliable 4994 18m 529d 💬 1 [29d]
WARNING in ext4_journal_check_start (2) ext4 -1 C inconclusive inconclusive 62 10h52m 531d PATCH [327d]
possible deadlock in ext4_xattr_inode_lookup_create ext4 4 C done error 268 12d 550d
KASAN: out-of-bounds Read in ext4_xattr_set_entry ext4 22 C error 7338 2h56m 557d PATCH [97d]
KASAN: use-after-free Read in ext4_inlinedir_to_tree ext4 19 C done error 6 89d 581d 💬 1 [580d]
kernel BUG in ext4_mb_use_inode_pa (2) ext4 -1 C error 281 7d04h 601d
WARNING in ext4_xattr_inode_lookup_create ext4 -1 C inconclusive 994 14d 673d PATCH [672d]
INFO: task hung in jbd2_journal_commit_transaction (5) usb ext4 1 C error 2177 4d14h 686d
INFO: task hung in do_renameat2 (2) ext4 1 C inconclusive error 278 88d 695d
WARNING in ext4_xattr_set_entry (2) ext4 -1 C error 9 687d 720d
kernel BUG in ext4_write_inline_data_end (2) ext4 -1 C inconclusive error 173 47d 789d PATCH [264d]
INFO: task hung in sync_inodes_sb (5) xfs ext4 1 C error inconclusive 2942 2d18h 988d
WARNING: locking bug in ext4_ioctl ext4 4 C done done 923 481d 1031d PATCH [551d]
WARNING: locking bug in __ext4_ioctl ext4 4 C done error 849 498d 1031d
kernel BUG in ext4_do_writepages ext4 -1 C error 3007 12h47m 1201d 💬 9 [29d]
kernel BUG in __ext4_journal_stop ext4 -1 C error done 37 10d 1220d 💬 7 [750d]
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
KCSAN: data-race in memcpy_and_pad / string ext4 race:benign 6 1 2d19h 2d19h
KCSAN: data-race in _copy_to_iter / vsnprintf ext4 6 1 12d 12d
KCSAN: data-race in __filemap_add_folio / sync_bdevs (3) ext4 6 1 37d 37d
KCSAN: data-race in has_bh_in_lru / invalidate_bh_lru (9) ext4 exfat 6 3 1d22h 48d
KCSAN: data-race in delete_from_page_cache_batch / file_write_and_wait_range (3) ext4 6 1 49d 49d
KCSAN: data-race in has_bh_in_lru / invalidate_bh_lrus_cpu (16) ext4 6 2 39d 50d
KCSAN: data-race in _copy_to_iter / string (5) ext4 6 2 35d 52d
BUG: unable to handle kernel NULL pointer dereference in qlist_free_all (10) ext4 10 1 62d 58d
KASAN: use-after-free Read in ext4_xattr_list_entries ext4 19 4 82d 173d
KCSAN: data-race in xas_find_marked / xas_init_marks (6) ext4 mm 6 17 13d 208d
KCSAN: data-race in copy_folio_from_iter_atomic / copy_folio_from_iter_atomic ext4 mm 6 133 7h38m 301d
KCSAN: data-race in find_get_block_common / has_bh_in_lru ext4 6 275 1d00h 340d
KCSAN: data-race in _prb_read_valid / data_alloc x25 ext4 6 397 8h59m 341d
KCSAN: data-race in _prb_read_valid / prb_reserve ext4 6 3860 1h08m 1969d
KCSAN: data-race in __find_get_block / has_bh_in_lru ext4 6 syz 2497 340d 2249d