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ext4 subsystem


List(s): linux-ext4@vger.kernel.org
Fixed bugs: 179
Parent subsystem(s): fs (143)
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 10d 8d01h
kernel BUG in ext4_write_inline_data (5) ext4 prio:high -1 2 8d07h 8d14h
INFO: task kworker/u8:NUM:NUM blocked in I/O wait for more than NUM seconds. (2) prio:high ext4 -1 5 23d 23d
BUG: unable to handle kernel NULL pointer dereference in qlist_free_all (10) prio:low mm ext4 10 C 3 13d 27d
possible deadlock in ext4_map_blocks (3) prio:low ext4 4 1 33d 29d
INFO: task jbd2/sda1-NUM:NUM blocked in I/O wait for more than NUM seconds. prio:low ext4 -1 C 12 22d 47d PATCH [44d]
BUG: sleeping function called from invalid context in jbd2_journal_commit_transaction ext4 prio:high 5 1 56d 52d
WARNING in jbd2_journal_dirty_metadata (3) ext4 prio:high -1 2 3d15h 55d
KASAN: use-after-free Read in xattr_find_entry (2) ext4 prio:high 19 C error error 3 104d 114d PATCH [68d]
INFO: task hung in block_read_full_folio (3) prio:high ext4 1 C error error 8 9d11h 126d
kernel BUG in ext4_es_cache_extent (4) prio:high ext4 -1 C error error 15 85d 128d 💬 8 [97d]
possible deadlock in wait_transaction_locked (3) ext4 prio:high 4 C error 489 2h35m 169d PATCH [4h01m]
kernel BUG in ext4_mb_normalize_request (2) prio:high ext4 -1 15 82d 171d
possible deadlock in evict (4) prio:high ext4 4 22 3d19h 202d
possible deadlock in ext4_xattr_set_handle (7) prio:high ext4 4 C unreliable 997 1h46m 216d PATCH [1d13h]
possible deadlock in ext4_destroy_inline_data (2) prio:low ext4 4 C error 5806 1h04m 224d PATCH [2d16h]
possible deadlock in ext4_evict_inode (5) ext4 prio:high 4 C error 496 3d00h 224d PATCH [1d13h]
WARNING in ext4_xattr_inode_update_ref (2) ext4 prio:low -1 C error 10306 1h09m 229d PATCH [1h49m]
WARNING in get_data ext4 prio:high -1 C error 1613 218d 235d
WARNING in ext4_write_inode (3) prio:high ext4 -1 10 13d 244d
KMSAN: uninit-value in fscrypt_crypt_data_unit ext4 fscrypt prio:high 7 C 202 1d18h 246d 💬 6 [8d01h]
INFO: rcu detected stall in unwind_next_frame (5) ext4 prio:low 1 C error error 52 4d02h 246d
INFO: rcu detected stall in ext4_file_mmap_prepare ext4 prio:high 1 C error 2 38d 274d
possible deadlock in do_writepages (2) ext4 prio:normal 4 C unreliable 776 2d12h 274d
WARNING in ext4_mb_load_buddy_gfp ext4 mm prio:high -1 C 7 109d 275d PATCH [265d]
possible deadlock in ext4_truncate (2) prio:high ext4 4 C unreliable error 3 59d 296d 💬 4 [295d]
INFO: rcu detected stall in wb_workfn (4) prio:normal ext4 1 C error error 65 4d18h 341d 💬 1 [201d]
KASAN: slab-use-after-free Read in __ext4_check_dir_entry prio:high ext4 19 C error error 6 42d 352d PATCH [338d]
INFO: rcu detected stall in ext4_end_io_rsv_work (3) prio:normal ext4 mm 1 C error error 3 164d 401d
kernel BUG in ext4_ext_insert_extent (2) ext4 prio:high -1 C done error 38 95d 432d
WARNING in __jbd2_log_wait_for_space ocfs2 ext4 -1 C inconclusive done 6 210d 530d
KASAN: use-after-free Read in ext4_find_extent (4) ext4 prio:high 19 C done error 307 80d 534d PATCH [207d]
INFO: task hung in find_inode_fast (4) ext4 1 C error error 22 29d 541d
INFO: task hung in do_get_write_access (3) prio:low ext4 1 C error 467 4d01h 571d
divide error in qnx6_mmi_fill_super ext4 prio:high 2 C unreliable inconclusive 7 86d 593d PATCH [590d]
WARNING in ext4_iomap_begin (3) ext4 prio:high -1 C inconclusive error 131 33d 594d
possible deadlock in ext4_writepages (2) ext4 prio:high 4 C unreliable 11904 1h07m 606d 💬 1 [8d01h]
WARNING in ext4_journal_check_start (2) ext4 -1 C inconclusive inconclusive 79 8d14h 607d PATCH [404d]
possible deadlock in ext4_xattr_inode_lookup_create ext4 prio:high 4 C done error 287 27d 627d
KASAN: out-of-bounds Read in ext4_xattr_set_entry prio:high ext4 22 C error 7619 1h05m 633d PATCH [173d]
KASAN: use-after-free Read in ext4_inlinedir_to_tree ext4 19 C done error 6 165d 657d 💬 1 [657d]
kernel BUG in ext4_mb_use_inode_pa (2) ext4 -1 C error 324 1h33m 678d
WARNING in ext4_xattr_inode_lookup_create prio:low ext4 -1 C inconclusive error 1000 2d11h 750d PATCH [749d]
INFO: task hung in jbd2_journal_commit_transaction (5) ext4 1 C error error 2195 23h15m 763d
INFO: task hung in do_renameat2 (2) prio:high ext4 1 C inconclusive error 278 165d 772d
WARNING in ext4_xattr_set_entry (2) ext4 -1 C error 9 764d 797d
INFO: task hung in sync_inodes_sb (5) xfs ext4 1 C error inconclusive 2970 2d06h 1065d
WARNING: locking bug in ext4_ioctl ext4 4 C done done 923 558d 1108d PATCH [628d]
WARNING: locking bug in __ext4_ioctl ext4 4 C done error 849 575d 1108d
kernel BUG in ext4_do_writepages ext4 prio:high -1 C error 3242 10h46m 1278d 💬 9 [8d01h]
kernel BUG in __ext4_journal_stop ext4 -1 C error done 42 32d 1297d 💬 7 [827d]
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 17d 17d
KCSAN: data-race in _copy_to_iter / string (6) race:benign prio:high ext4 6 1 31d 31d
KCSAN: data-race in _copy_to_iter / kmmpd (4) prio:low ext4 6 2 29d 43d
KCSAN: data-race in memchr / vsnprintf (2) prio:low ext4 net 6 2 47d 44d
KCSAN: data-race in has_bh_in_lru / invalidate_bh_lru (9) prio:high ext4 6 6 7d09h 125d
KCSAN: data-race in atime_needs_update / inode_update_time prio:low ext4 6 12 9d14h 127d
KCSAN: data-race in _prb_read_valid / prb_reserve_in_last (2) ext4 prio:low 6 34 5d19h 329d
KCSAN: data-race in copy_folio_from_iter_atomic / copy_folio_from_iter_atomic ext4 prio:low 6 177 21h40m 378d
KCSAN: data-race in find_get_block_common / has_bh_in_lru ext4 prio:low 6 301 10d 417d
KCSAN: data-race in _prb_read_valid / data_alloc net ext4 prio:low 6 510 13h25m 417d
KCSAN: data-race in data_push_tail / vsnprintf (9) prio:low ext4 6 229 2d02h 481d
KCSAN: data-race in __filemap_add_folio / nr_blockdev_pages (3) ext4 prio:low 6 175 8d05h 920d
KCSAN: data-race in filemap_splice_read / filemap_splice_read ext4 prio:low 6 1568 19h06m 923d
KCSAN: data-race in data_push_tail / string ext4 audit prio:low 6 490 13d 1791d
KCSAN: data-race in data_alloc / prb_reserve net ext4 prio:low 6 1272 2h43m 1910d
KCSAN: data-race in _prb_read_valid / prb_reserve bridge ext4 prio:high 6 3894 1d20h 2046d
KCSAN: data-race in __find_get_block / has_bh_in_lru ext4 6 syz 2497 417d 2326d