ext4 subsystem


List(s): linux-ext4@vger.kernel.org
Fixed bugs: 188
Parent subsystem(s): fs (141)
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 2d21h 2d12h 💬 1 [2d09h]
WARNING in ext4_write_inode (4) ext4 prio:low -1 2 7d12h 8d15h
INFO: task hung in do_new_mount (4) prio:high fuse ext4 1 syz 8 6d15h 9d18h
KASAN: use-after-free Read in ext4_read_inline_data (2) ext4 prio:high 19 syz, C error 1 14h34m 16d PATCH [6d18h]
linux-next test error: general protection fault in __bh_submit ext4 prio:high -1 2 28d 25d 💬 1 [24d]
KASAN: use-after-free Read in register_bcache prio:high ext4 bcache 19 syz, C 11 33d 52d PATCH [45d]
WARNING in __ext4_handle_dirty_metadata prio:low ext4 -1 1 69d 65d
kernel BUG in ext4_write_inline_data_end (3) prio:normal ext4 -1 syz 1 63d 77d PATCH [69d]
KASAN: use-after-free Read in ext4_search_dir (3) prio:high actionable ext4 19 2 60d 84d
INFO: task hung in ext4_write_end prio:high ext4 1 syz error 16 18h41m 91d PATCH [16d]
INFO: task hung in ext4_load_tail_bh prio:high ext4 1 syz, C 1 75d 91d
KASAN: use-after-free Read in ext4_xattr_list_entries (2) actionable prio:high ext4 19 7 41d 113d
kernel BUG in ext4_write_inline_data (5) prio:high ext4 -1 syz error error 28 44d 114d
BUG: unable to handle kernel NULL pointer dereference in qlist_free_all (10) prio:low mm ext4 10 syz, C 3 119d 133d
INFO: task jbd2/sda1-NUM:NUM blocked in I/O wait for more than NUM seconds. prio:low ext4 -1 syz, C 12 127d 153d PATCH [64d]
WARNING in jbd2_journal_dirty_metadata (3) prio:high ext4 -1 21 56d 161d
KASAN: use-after-free Read in xattr_find_entry (2) prio:high ext4 19 syz, C error error 3 39d 220d PATCH [173d]
INFO: task hung in block_read_full_folio (3) prio:high ext4 1 syz, C error error 19 6d21h 231d PATCH [23d]
possible deadlock in evict (4) prio:high ext4 4 46 49d 308d
INFO: task hung in __start_renaming prio:high ext4 1 syz, C done error 71 97d 311d 💬 11 [310d]
possible deadlock in ext4_xattr_set_handle (7) prio:high ext4 4 syz, C unreliable 2502 27d 322d PATCH [79d]
possible deadlock in ext4_destroy_inline_data (2) prio:low ext4 4 syz, C error 9790 27d 329d PATCH [104d]
WARNING in get_data prio:high ext4 -1 syz, C error 1613 324d 341d
KMSAN: uninit-value in fscrypt_crypt_data_unit ext4 fscrypt prio:high 7 syz, C 202 107d 351d PATCH [98d]
INFO: rcu detected stall in unwind_next_frame (5) prio:low ext4 1 syz, C error error 64 2h08m 352d
INFO: rcu detected stall in ext4_file_mmap_prepare prio:high ext4 1 syz, C error 4 7d19h 379d
possible deadlock in do_writepages (2) prio:normal ext4 4 syz, C unreliable error 883 42d 380d
WARNING in ext4_mb_load_buddy_gfp prio:high ext4 mm -1 syz, C 199 2h10m 381d PATCH [371d]
INFO: rcu detected stall in wb_workfn (4) prio:normal ext4 1 syz, C error error 76 3d08h 446d 💬 2 [68d]
INFO: rcu detected stall in ext4_end_io_rsv_work (3) prio:normal mm ext4 1 syz, C error error 3 270d 507d
INFO: task hung in find_inode_fast (4) prio:high ext4 1 syz, C error error 30 36d 647d PATCH [94d]
INFO: task hung in do_get_write_access (3) prio:low ext4 1 syz, C error 1576 8h15m 676d
divide error in qnx6_mmi_fill_super prio:high ext4 2 syz, C unreliable inconclusive 7 10d 698d PATCH [696d]
WARNING in ext4_iomap_begin (3) prio:high ext4 -1 syz, C inconclusive error 340 3h05m 699d
possible deadlock in ext4_writepages (2) prio:high ext4 4 syz, C unreliable 21100 27d 711d 💬 1 [20d]
WARNING in ext4_journal_check_start (2) ext4 -1 syz, C inconclusive inconclusive 116 2d00h 713d PATCH [64d]
KASAN: out-of-bounds Read in ext4_xattr_set_entry prio:high ext4 22 syz, C error 8044 6h15m 739d PATCH [279d]
KASAN: use-after-free Read in ext4_inlinedir_to_tree ext4 19 syz, C done error 6 271d 763d 💬 1 [763d]
kernel BUG in ext4_mb_use_inode_pa (2) ext4 -1 syz, C error 498 1d13h 784d
WARNING in ext4_xattr_inode_lookup_create prio:low ext4 -1 syz, C inconclusive error 1006 5d19h 855d PATCH [855d]
INFO: task hung in jbd2_journal_commit_transaction (5) prio:low ext4 1 syz, C error error 3240 4h40m 869d
WARNING in ext4_xattr_set_entry (2) ext4 -1 syz, C error 9 869d 903d PATCH [30d]
INFO: task hung in sync_inodes_sb (5) xfs ext4 1 syz, C error inconclusive 3032 4d12h 1171d
WARNING: locking bug in ext4_ioctl ext4 4 syz, C done done 923 663d 1214d PATCH [733d]
WARNING: locking bug in __ext4_ioctl ext4 4 syz, C done error 849 680d 1214d
kernel BUG in ext4_do_writepages prio:high ext4 -1 syz, C error 5404 6h25m 1383d PATCH [65d]
kernel BUG in __ext4_journal_stop ext4 -1 syz, C error done 44 61d 1403d 💬 7 [933d]
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 8d10h 8d10h
KCSAN: data-race in xas_find_marked / xas_init_marks (8) ext4 race:benign prio:low 6 1 18d 18d
KCSAN: data-race in has_bh_in_lru / invalidate_bh_lru (10) race:benign prio:high ext4 6 C 4 3d22h 37d
WARNING: proc registration bug in jbd2_journal_destroy prio:low ext4 -1 1 63d 59d
KCSAN: data-race in copy_folio_from_iter_atomic / copy_folio_from_iter_atomic prio:low ext4 mm 6 230 1d22h 483d
KCSAN: data-race in find_get_block_common / has_bh_in_lru prio:low ext4 6 333 2d19h 522d
KCSAN: data-race in _prb_read_valid / data_alloc prio:low ext4 6 596 12h33m 523d
KCSAN: data-race in data_push_tail / vsnprintf (9) prio:low ext4 6 255 4d00h 587d
KCSAN: data-race in __find_get_block / has_bh_in_lru ext4 6 syz 2497 523d 2432d