ext4 subsystem


List(s): linux-ext4@vger.kernel.org
Fixed bugs: 189
Parent subsystem(s): fs (139)
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
KASAN: slab-use-after-free Write in do_split ext4 prio:high 22 syz, C done 6 12d 12d PATCH [5d22h]
WARNING in ext4_write_inode (4) ext4 prio:low -1 2 17d 18d
INFO: task hung in do_new_mount (4) prio:high fuse ext4 1 syz 8 16d 19d
KASAN: use-after-free Read in ext4_read_inline_data (2) ext4 prio:high 19 syz, C error 1 10d 26d PATCH [16d]
linux-next test error: general protection fault in __bh_submit prio:high ext4 -1 2 38d 35d 💬 1 [34d]
KASAN: use-after-free Read in register_bcache prio:high ext4 bcache 19 syz, C 11 43d 62d PATCH [55d]
WARNING in __ext4_handle_dirty_metadata prio:low ext4 -1 1 79d 75d
kernel BUG in ext4_write_inline_data_end (3) prio:normal ext4 -1 syz 1 73d 87d PATCH [79d]
KASAN: use-after-free Read in ext4_search_dir (3) prio:high actionable ext4 19 2 69d 94d
INFO: task hung in ext4_write_end prio:high ext4 1 syz error 16 10d 101d PATCH [26d]
INFO: task hung in ext4_load_tail_bh prio:high ext4 1 syz, C 1 85d 101d
KASAN: use-after-free Read in ext4_xattr_list_entries (2) actionable prio:high ext4 19 7 51d 123d
kernel BUG in ext4_write_inline_data (5) prio:high ext4 -1 syz error error 28 54d 124d
BUG: unable to handle kernel NULL pointer dereference in qlist_free_all (10) prio:low mm ext4 10 syz, C 3 129d 143d
INFO: task jbd2/sda1-NUM:NUM blocked in I/O wait for more than NUM seconds. prio:low ext4 -1 syz, C 12 137d 163d PATCH [74d]
WARNING in jbd2_journal_dirty_metadata (3) prio:high ext4 -1 21 66d 171d
KASAN: use-after-free Read in xattr_find_entry (2) prio:high ext4 19 syz, C error error 3 49d 230d PATCH [183d]
INFO: task hung in block_read_full_folio (3) prio:high ext4 1 syz, C error error 19 16d 241d PATCH [33d]
possible deadlock in evict (4) prio:high ext4 4 46 59d 318d
INFO: task hung in __start_renaming prio:high ext4 1 syz, C done error 71 107d 321d 💬 11 [319d]
possible deadlock in ext4_xattr_set_handle (7) prio:high ext4 4 syz, C unreliable 2502 37d 332d PATCH [89d]
possible deadlock in ext4_destroy_inline_data (2) prio:low ext4 4 syz, C error 9790 37d 339d PATCH [114d]
WARNING in get_data prio:high ext4 -1 syz, C error 1613 334d 351d
INFO: rcu detected stall in unwind_next_frame (5) prio:low ext4 1 syz, C error error 66 14h52m 362d
INFO: rcu detected stall in ext4_file_mmap_prepare prio:high ext4 1 syz, C error 4 17d 389d
possible deadlock in do_writepages (2) prio:normal ext4 4 syz, C unreliable error 883 52d 390d
WARNING in ext4_mb_load_buddy_gfp prio:high ext4 mm -1 syz, C 290 5h18m 391d PATCH [381d]
INFO: rcu detected stall in wb_workfn (4) prio:normal ext4 1 syz, C error error 78 7h49m 456d 💬 2 [78d]
INFO: rcu detected stall in ext4_end_io_rsv_work (3) prio:normal mm ext4 1 syz, C error error 3 279d 517d
INFO: task hung in find_inode_fast (4) prio:high ext4 1 syz, C error error 30 46d 657d PATCH [104d]
INFO: task hung in do_get_write_access (3) prio:low ext4 1 syz, C error 1752 9h09m 686d
divide error in qnx6_mmi_fill_super prio:high ext4 2 syz, C unreliable inconclusive 7 20d 708d PATCH [2d22h]
WARNING in ext4_iomap_begin (3) prio:high ext4 -1 syz, C inconclusive error 345 6d16h 709d
possible deadlock in ext4_writepages (2) prio:high ext4 4 syz, C unreliable 21100 37d 721d 💬 1 [30d]
WARNING in ext4_journal_check_start (2) ext4 -1 syz, C inconclusive inconclusive 175 14h29m 723d PATCH [74d]
KASAN: out-of-bounds Read in ext4_xattr_set_entry prio:high ext4 22 syz, C error 8080 12m 749d PATCH [289d]
KASAN: use-after-free Read in ext4_inlinedir_to_tree ext4 19 syz, C done error 6 281d 773d 💬 1 [772d]
kernel BUG in ext4_mb_use_inode_pa (2) ext4 -1 syz, C error 512 18h41m 794d
WARNING in ext4_xattr_inode_lookup_create prio:low ext4 -1 syz, C inconclusive error 1006 16h09m 865d PATCH [865d]
INFO: task hung in jbd2_journal_commit_transaction (5) prio:low ext4 1 syz, C error error 3386 9h09m 879d
INFO: task hung in sync_inodes_sb (5) xfs ext4 1 syz, C error inconclusive 3032 14d 1181d
WARNING: locking bug in ext4_ioctl ext4 4 syz, C done done 923 673d 1224d PATCH [743d]
WARNING: locking bug in __ext4_ioctl ext4 4 syz, C done error 849 690d 1224d
kernel BUG in ext4_do_writepages prio:high ext4 -1 syz, C error 5584 2h41m 1393d PATCH [75d]
kernel BUG in __ext4_journal_stop ext4 -1 syz, C error done 44 71d 1412d 💬 7 [942d]
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
KCSAN: data-race in data_push_tail / uuid_string (7) ext4 race:benign prio:high 6 1 18d 18d
KCSAN: data-race in xas_find_marked / xas_init_marks (8) race:benign prio:low ext4 6 C 2 9d11h 28d
KCSAN: data-race in has_bh_in_lru / invalidate_bh_lru (10) race:benign prio:high ext4 6 C 5 6d00h 47d
WARNING: proc registration bug in jbd2_journal_destroy prio:low ext4 -1 2 3d08h 69d
KCSAN: data-race in find_get_block_common / has_bh_in_lru prio:low ext4 6 337 1d23h 532d
KCSAN: data-race in _prb_read_valid / data_alloc prio:low ext4 6 599 5d15h 533d
KCSAN: data-race in data_push_tail / vsnprintf (9) prio:low ext4 6 257 3d18h 597d
KCSAN: data-race in _prb_read_valid / prb_reserve prio:high ext4 nfs 6 C 3971 1d05h 2161d
KCSAN: data-race in __find_get_block / has_bh_in_lru ext4 6 syz 2497 533d 2442d