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ext4 subsystem


List(s): linux-ext4@vger.kernel.org
Fixed bugs: 153
Parent subsystem(s): fs (130)
open (50):
Title Repro Cause bisect Fix bisect Count Last Reported Discussions
KASAN: use-after-free Read in ext4_ext_insert_extent ext4 C 3 3h32m 3h31m
INFO: task hung in lock_two_directories (4) ext4 C done 1 6d18h 2d17h
INFO: rcu detected stall in ext4_end_io_rsv_work (3) mm ext4 C error 2 17d 13d
kernel BUG in ext4_mb_normalize_request ext4 1 23d 19d
possible deadlock in freeze_super (3) ext4 2 12d 24d
possible deadlock in ext4_convert_inline_data ext4 1 31d 27d
kernel BUG in ext4_ext_insert_extent (2) ext4 1 48d 44d
KASAN: slab-use-after-free Read in ext4_ext_remove_space ext4 7 4d21h 55d
kernel BUG in ext4_alloc_file_blocks ext4 C error 3 27d 59d PATCH [55d]
BUG: corrupted list in __sk_destruct (2) net ext4 syz done 1 83d 82d
WARNING in get_dump_page ext4 mm C done error 5 75d 88d
WARNING in __ext4_iget ext4 C done error 4927 61d 103d
WARNING in inode_set_cached_link ext4 C done unreliable 78396 48d 108d 💬 1 [62d]
INFO: task hung in ext4_evict_ea_inode (3) ext4 syz error 13 29d 109d
INFO: rcu detected stall in sys_mkdir (9) mm ext4 syz done 2 12d 120d
WARNING in __jbd2_log_wait_for_space ocfs2 ext4 C inconclusive 5 24d 142d
KASAN: use-after-free Read in ext4_find_extent (4) ext4 C done 44 4d20h 146d 💬 1 [58d]
INFO: task hung in find_inode_fast (4) ext4 syz error 9 17d 153d
KCSAN: data-race in kick_pool / wq_worker_running ext4 keyrings lsm 777 11h04m 177d 💬 1 [176d]
WARNING: locking bug in jbd2_alloc ext4 8 56d 178d
INFO: task hung in do_get_write_access (3) ext4 C error 437 9d10h 183d
INFO: rcu detected stall in rescuer_thread ext4 batman C done error 16 46d 189d
divide error in qnx6_mmi_fill_super ext4 C unreliable inconclusive 5 32d 205d PATCH [202d]
WARNING in ext4_iomap_begin (3) ext4 C inconclusive 40 4h26m 206d
WARNING: locking bug in ext4_mb_add_groupinfo (2) ext4 23 21d 210d
possible deadlock in ext4_writepages (2) ext4 5 2d11h 218d
WARNING in ext4_journal_check_start (2) ext4 C inconclusive inconclusive 30 8d15h 219d PATCH [16d]
KASAN: use-after-free Read in __ext4_check_dir_entry (3) ext4 C inconclusive done 6 78d 231d
possible deadlock in dqget ext4 ocfs2 C error 56736 12m 236d
WARNING in jbd2_journal_update_sb_log_tail ocfs2 ext4 C done inconclusive 36 64d 238d 💬 4 [124d]
possible deadlock in ext4_xattr_inode_lookup_create ext4 C done 207 9d23h 239d
KASAN: out-of-bounds Read in ext4_xattr_set_entry ext4 C error 1748 1h27m 245d PATCH [219d]
kernel BUG in ext4_inline_data_truncate ext4 C done error 8 73d 266d 💬 1 [266d]
KASAN: use-after-free Read in ext4_inlinedir_to_tree ext4 C done 6 11d 269d 💬 1 [269d]
kernel BUG in ext4_mb_use_inode_pa (2) ext4 C 81 15h08m 290d
KCSAN: data-race in generic_buffers_fsync_noflush / writeback_single_inode (3) ext4 316 2h16m 296d
KASAN: slab-out-of-bounds Read in ext4_read_inline_dir ext4 C done 79 32d 301d 💬 1 [300d]
WARNING in ext4_xattr_inode_lookup_create ext4 C inconclusive 22 10d 362d PATCH [361d]
INFO: task hung in jbd2_journal_commit_transaction (5) usb ext4 C error 2126 1d18h 375d
KMSAN: uninit-value in aes_encrypt (5) ext4 C 188 11d 392d PATCH [338d]
WARNING in __ext4_journal_start_sb ext4 C 4 21d 393d
WARNING: locking bug in find_lock_lowest_rq ext4 C error error 100 38d 395d 💬 2 [31d]
WARNING in ext4_xattr_set_entry (2) ext4 C error 9 376d 409d
kernel BUG in ext4_write_inline_data_end (2) ext4 C inconclusive error 173 16d 478d PATCH [3d23h]
INFO: task hung in sync_inodes_sb (5) ext4 C error inconclusive 2395 1d11h 677d
WARNING: locking bug in ext4_ioctl ext4 C done done 923 170d 720d PATCH [240d]
WARNING: locking bug in __ext4_ioctl ext4 C done error 849 187d 720d
kernel BUG in ext4_do_writepages ext4 C error 2102 2d13h 890d 💬 9 [16d]
kernel BUG in __ext4_journal_stop ext4 C error done 24 8d14h 909d 💬 7 [439d]
memory leak in __lookup_slow ext4 usb C 2 1000d 1320d
moderation (22):
Title Repro Cause bisect Fix bisect Count Last Reported Discussions
KCSAN: data-race in move_expired_inodes / vfs_fsync_range (3) ext4 1 9d00h 9d00h
KCSAN: data-race in inode_cgwb_move_to_attached / iput ext4 1 9d18h 9d18h
KCSAN: data-race in do_sync_mmap_readahead / do_sync_mmap_readahead (8) ext4 1 28d 28d
KCSAN: data-race in copy_page_from_iter_atomic / copy_page_from_iter_atomic ext4 30 2h16m 30d
BUG: unable to handle kernel paging request in ext4_put_io_end_defer ext4 1 42d 38d
general protection fault in ext4_finish_bio (2) ext4 1 63d 59d
KCSAN: data-race in __mark_inode_dirty / redirty_tail_locked (10) exfat ext4 2 21d 73d
general protection fault in ext4_put_super (2) ext4 1 88d 84d
KCSAN: data-race in __mark_inode_dirty / move_expired_inodes (5) ext4 10 13h47m 95d
KCSAN: data-race in has_bh_in_lru / invalidate_bh_lru (7) ext4 6 40d 114d
KCSAN: data-race in redirty_tail_locked / vfs_fsync_range (3) ext4 13 5d06h 177d
KCSAN: data-race in generic_buffers_fsync_noflush / redirty_tail_locked (2) ext4 20 6d08h 188d
KCSAN: data-race in generic_buffers_fsync_noflush / inode_cgwb_move_to_attached (2) ext4 25 10h32m 194d
KCSAN: data-race in __mark_inode_dirty / __writeback_single_inode (3) ext4 25 4d18h 234d
KCSAN: data-race in __writeback_single_inode / generic_buffers_fsync_noflush (4) ext4 52 2d01h 301d
KCSAN: data-race in __mark_inode_dirty / writeback_single_inode (8) ext4 219 17h33m 371d
KCSAN: data-race in vfs_fsync_range / writeback_single_inode (7) ext4 417 13h23m 371d
KCSAN: data-race in __filemap_add_folio / nr_blockdev_pages (3) ext4 109 2d03h 532d
KCSAN: data-race in filemap_splice_read / filemap_splice_read ext4 1058 13h15m 535d
KCSAN: data-race in data_alloc / prb_reserve bridge ext4 1073 3d18h 1522d
KCSAN: data-race in _prb_read_valid / prb_reserve ext4 batman 3642 1d01h 1658d
KCSAN: data-race in __find_get_block / has_bh_in_lru ext4 syz 2497 29d 1938d