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ext4 subsystem


List(s): linux-ext4@vger.kernel.org
Fixed bugs: 177
Parent subsystem(s): fs (135)
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
KASAN: use-after-free Read in ext4_xattr_list_entries (2) ext4 actionable prio:high 19 2 2d22h 14h49m
kernel BUG in ext4_write_inline_data (5) ext4 prio:high -1 2 20h52m 1d03h
possible deadlock in lock_two_nondirectories (2) overlayfs ext4 prio:high 4 C error 10 9h30m 5d14h PATCH [1d00h]
INFO: task kworker/u8:NUM:NUM blocked in I/O wait for more than NUM seconds. (2) prio:high ext4 -1 5 15d 15d
BUG: unable to handle kernel NULL pointer dereference in qlist_free_all (10) prio:low mm ext4 10 C 3 6d07h 20d
possible deadlock in ext4_map_blocks (3) ext4 prio:low 4 1 26d 22d
INFO: task jbd2/sda1-NUM:NUM blocked in I/O wait for more than NUM seconds. prio:low ext4 -1 C 12 14d 40d PATCH [37d]
BUG: sleeping function called from invalid context in jbd2_journal_commit_transaction ext4 prio:high 5 1 48d 44d
WARNING in jbd2_journal_dirty_metadata (3) ext4 prio:high -1 1 52d 48d
kernel BUG in ext4_ext_map_blocks ext4 prio:high -1 2 98d 100d
KASAN: use-after-free Read in xattr_find_entry (2) ext4 prio:high 19 C error error 3 97d 107d PATCH [60d]
INFO: task hung in block_read_full_folio (3) prio:high ext4 1 C error error 8 2d00h 118d
kernel BUG in ext4_es_cache_extent (4) prio:high ext4 -1 C error error 15 77d 121d 💬 8 [89d]
possible deadlock in wait_transaction_locked (3) ext4 prio:high 4 C error 411 6h32m 162d 💬 1 [15h20m]
kernel BUG in ext4_mb_normalize_request (2) prio:high ext4 -1 15 75d 164d
possible deadlock in evict (4) prio:high ext4 4 20 12d 195d
possible deadlock in ext4_xattr_set_handle (7) prio:high ext4 4 C unreliable 754 36m 209d PATCH [1h22m]
possible deadlock in ext4_destroy_inline_data (2) prio:low ext4 4 C error 4938 41m 216d PATCH [5h15m]
possible deadlock in ext4_evict_inode (5) ext4 prio:high 4 C error 486 2h31m 217d
WARNING in ext4_xattr_inode_update_ref (2) ext4 prio:low -1 C error 9693 22m 222d 💬 2 [31d]
WARNING in get_data ext4 prio:high -1 C error 1613 211d 228d
WARNING in ext4_write_inode (3) prio:high ext4 -1 10 5d22h 236d
KMSAN: uninit-value in fscrypt_crypt_data_unit ext4 fscrypt prio:high 7 C 193 3d01h 238d 💬 6 [15h20m]
INFO: rcu detected stall in unwind_next_frame (5) ext4 prio:low 1 C error error 51 4d22h 239d
INFO: rcu detected stall in ext4_file_mmap_prepare ext4 prio:high 1 C error 2 31d 266d
possible deadlock in do_writepages (2) ext4 prio:normal 4 C unreliable 767 54m 267d
WARNING in ext4_mb_load_buddy_gfp ext4 mm prio:high -1 C 7 102d 268d PATCH [258d]
possible deadlock in ext4_truncate (2) prio:high ext4 4 C unreliable error 3 52d 289d 💬 4 [288d]
INFO: rcu detected stall in wb_workfn (4) prio:normal ext4 1 C error error 64 12d 333d 💬 1 [193d]
KASAN: slab-use-after-free Read in __ext4_check_dir_entry prio:high ext4 19 C error error 6 35d 344d PATCH [331d]
KASAN: use-after-free Read in ext4_ext_insert_extent prio:high ext4 22 C done error 10 97d 380d 💬 1 [251d]
INFO: rcu detected stall in ext4_end_io_rsv_work (3) prio:normal ext4 mm 1 C error error 3 157d 394d
kernel BUG in ext4_ext_insert_extent (2) ext4 prio:high -1 C done error 38 88d 424d
WARNING in __jbd2_log_wait_for_space ocfs2 ext4 -1 C inconclusive done 6 202d 523d
KASAN: use-after-free Read in ext4_find_extent (4) ext4 prio:high 19 C done error 307 73d 526d PATCH [200d]
INFO: task hung in find_inode_fast (4) ext4 1 C error error 22 22d 534d
INFO: task hung in do_get_write_access (3) prio:low ext4 1 C error 466 7d13h 563d
divide error in qnx6_mmi_fill_super ext4 prio:high 2 C unreliable inconclusive 7 79d 585d PATCH [583d]
WARNING in ext4_iomap_begin (3) ext4 prio:high -1 C inconclusive 131 26d 586d
possible deadlock in ext4_writepages (2) ext4 prio:high 4 C unreliable 10227 20m 598d 💬 1 [15h20m]
WARNING in ext4_journal_check_start (2) ext4 -1 C inconclusive inconclusive 79 1d04h 600d PATCH [396d]
possible deadlock in ext4_xattr_inode_lookup_create ext4 prio:high 4 C done error 287 20d 620d
KASAN: out-of-bounds Read in ext4_xattr_set_entry prio:high ext4 22 C error 7583 7h48m 626d PATCH [166d]
KASAN: use-after-free Read in ext4_inlinedir_to_tree ext4 19 C done error 6 158d 650d 💬 1 [650d]
kernel BUG in ext4_mb_use_inode_pa (2) ext4 -1 C error 306 23h21m 671d
WARNING in ext4_xattr_inode_lookup_create prio:low ext4 -1 C inconclusive error 996 33d 742d PATCH [742d]
INFO: task hung in jbd2_journal_commit_transaction (5) ext4 1 C error error 2192 17m 756d
INFO: task hung in do_renameat2 (2) prio:high ext4 1 C inconclusive error 278 158d 765d
WARNING in ext4_xattr_set_entry (2) ext4 -1 C error 9 756d 790d
kernel BUG in ext4_write_inline_data_end (2) ext4 -1 C inconclusive error 173 47d 859d PATCH [8h35m]
INFO: task hung in sync_inodes_sb (5) xfs ext4 1 C error inconclusive 2951 6d05h 1058d
WARNING: locking bug in ext4_ioctl ext4 4 C done done 923 550d 1101d PATCH [620d]
WARNING: locking bug in __ext4_ioctl ext4 4 C done error 849 567d 1101d
kernel BUG in ext4_do_writepages ext4 prio:high -1 C error 3212 15h54m 1270d 💬 9 [15h20m]
kernel BUG in __ext4_journal_stop ext4 -1 C error done 42 24d 1290d 💬 7 [820d]
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
KCSAN: data-race in data_push_tail / uuid_string (6) ext4 race:benign prio:high 6 1 10d 10d
KCSAN: data-race in _copy_to_iter / string (6) ext4 race:benign prio:high 6 1 24d 24d
KCSAN: data-race in _copy_to_iter / kmmpd (4) prio:low ext4 6 2 22d 36d
KCSAN: data-race in memchr / vsnprintf (2) prio:low ext4 net 6 2 40d 36d
KCSAN: data-race in has_bh_in_lru / invalidate_bh_lru (9) ext4 prio:high 6 5 15d 118d
KCSAN: data-race in atime_needs_update / inode_update_time prio:low ext4 6 12 2d03h 120d
KCSAN: data-race in xas_find_marked / xas_init_marks (6) ext4 mm prio:high 6 19 53d 278d
KCSAN: data-race in _prb_read_valid / prb_reserve_in_last (2) ext4 prio:low 6 33 14d 321d
KCSAN: data-race in copy_folio_from_iter_atomic / copy_folio_from_iter_atomic ext4 prio:low 6 170 10h31m 370d
KCSAN: data-race in find_get_block_common / has_bh_in_lru ext4 prio:low 6 301 2d20h 409d
KCSAN: data-race in _prb_read_valid / data_alloc net ext4 prio:low 6 501 39m 410d
KCSAN: data-race in data_push_tail / vsnprintf (9) prio:low ext4 6 228 5d08h 474d
KCSAN: data-race in __filemap_add_folio / nr_blockdev_pages (3) ext4 prio:low 6 175 19h05m 913d
KCSAN: data-race in filemap_splice_read / filemap_splice_read ext4 prio:low 6 1565 3d07h 916d
KCSAN: data-race in data_push_tail / string ext4 audit prio:low 6 490 5d20h 1783d
KCSAN: data-race in data_alloc / prb_reserve net ext4 prio:low 6 1267 2d11h 1902d
KCSAN: data-race in _prb_read_valid / prb_reserve bridge ext4 prio:high 6 3892 1d16h 2038d
KCSAN: data-race in __find_get_block / has_bh_in_lru ext4 6 syz 2497 410d 2319d