syzbot


ext4 subsystem


List(s): linux-ext4@vger.kernel.org
Fixed bugs: 148
Parent subsystem(s): fs (123)
open (42):
Title Repro Cause bisect Fix bisect Count Last Reported Discussions
INFO: rcu detected stall in rescuer_thread batman mm ext4 C 9 5d19h 4d08h
WARNING: locking bug in get_page_from_freelist ext4 7 11h07m 16d
divide error in qnx6_mmi_fill_super ext4 C unreliable 5 8d21h 19d PATCH [17d]
WARNING in ext4_iomap_begin (3) ext4 C inconclusive 11 9d19h 20d
WARNING: locking bug in ext4_mb_add_groupinfo (2) ext4 6 2d17h 25d
KASAN: use-after-free Write in ext4_insert_dentry ext4 C done 39 1d23h 26d PATCH [16d]
possible deadlock in ext4_writepages (2) ext4 1 36d 32d
WARNING in ext4_journal_check_start (2) ext4 C inconclusive 3 10d 34d
KCSAN: data-race in xas_find_marked / xas_init_marks (4) ext4 exfat 5 12d 38d PATCH [23d]
KASAN: use-after-free Read in __ext4_check_dir_entry (3) ext4 C inconclusive 3 1d19h 45d
possible deadlock in ext4_xattr_set_handle (6) ext4 50 28d 49d
INFO: rcu detected stall in sys_pselect6 (2) input usb ext4 C 54 5d01h 50d
possible deadlock in dqget ocfs2 ext4 C 10386 now 50d
WARNING in jbd2_journal_update_sb_log_tail ext4 ocfs2 C done 10 12h46m 52d 💬 1 [42d]
possible deadlock in ext4_xattr_inode_lookup_create ext4 C done 26 1d02h 53d
KASAN: out-of-bounds Read in ext4_xattr_set_entry ext4 C 321 49m 60d PATCH [34d]
KCSAN: data-race in redirty_tail_locked / vfs_fsync_range (2) ext4 4 34d 72d PATCH [16d]
WARNING in jbd2_journal_dirty_metadata ext4 16 58m 72d
kernel BUG in ext4_inline_data_truncate ext4 C done error 6 9d05h 80d 💬 1 [80d]
KASAN: use-after-free Read in ext4_inlinedir_to_tree ext4 C done 5 31d 84d 💬 1 [83d]
kernel BUG in jbd2_cleanup_journal_tail ext4 C 11 54d 90d 💬 6 [84d]
kernel BUG in ext4_mb_use_inode_pa (2) ext4 C 20 3d01h 105d
KCSAN: data-race in generic_buffers_fsync_noflush / writeback_single_inode (3) ext4 74 6h46m 110d
KASAN: slab-out-of-bounds Read in ext4_read_inline_dir ext4 C done 79 28d 115d 💬 1 [115d]
INFO: task hung in sb_start_write xfs ext4 516 41d 119d
INFO: rcu detected stall in ext4_release_file (2) mm ext4 C error done 3 82d 175d
WARNING in ext4_xattr_inode_lookup_create ext4 C inconclusive 20 4d06h 176d PATCH [176d]
INFO: task hung in jbd2_journal_commit_transaction (5) usb ext4 C error 1583 1h53m 190d
KMSAN: uninit-value in aes_encrypt (5) ext4 C 121 6h17m 206d PATCH [153d]
WARNING in __ext4_journal_start_sb ext4 C 1 56d 207d
WARNING: locking bug in find_lock_lowest_rq ext4 C error 53 1d08h 210d 💬 2 [175d]
WARNING: locking bug in ext4_xattr_inode_update_ref (3) ext4 C 2 73d 223d 💬 1 [223d]
WARNING in ext4_xattr_set_entry (2) ext4 C error 9 190d 223d
possible deadlock in ext4_evict_inode (3) ext4 5 85d 279d
kernel BUG in ext4_write_inline_data_end (2) ext4 C inconclusive 103 2d06h 292d 💬 1 [12d]
INFO: task hung in sync_inodes_sb (5) ext4 C error inconclusive 1893 19h31m 492d
WARNING: locking bug in ext4_ioctl ext4 C done 916 2h12m 535d PATCH [54d]
WARNING: locking bug in __ext4_ioctl ext4 C done 849 1d11h 535d
kernel BUG in ext4_do_writepages ext4 C error 1576 1d08h 704d 💬 8 [2d19h]
kernel BUG in __ext4_journal_stop ext4 C error done 23 27d 723d 💬 7 [253d]
WARNING in ext4_write_inode (2) ext4 C 130 34d 1013d 💬 5 [34d]
memory leak in __lookup_slow ext4 usb C 2 814d 1134d
moderation (16):
Title Repro Cause bisect Fix bisect Count Last Reported Discussions
KCSAN: data-race in generic_buffers_fsync_noflush / redirty_tail_locked (2) ext4 1 2d23h 2d23h
KCSAN: data-race in __mark_inode_dirty / inode_cgwb_move_to_attached (7) ext4 1 5d18h 5d18h
BUG: unable to handle kernel NULL pointer dereference in ext4_mb_add_groupinfo (2) ext4 1 12d 8d00h
KCSAN: data-race in generic_buffers_fsync_noflush / inode_cgwb_move_to_attached (2) ext4 2 3d09h 8d19h
KCSAN: data-race in data_push_tail / uuid_string (4) ext4 1 10d 10d
KCSAN: data-race in __mark_inode_dirty / move_expired_inodes (3) ext4 1 33d 33d
KCSAN: data-race in __mark_inode_dirty / __writeback_single_inode (3) ext4 4 9d01h 49d
KCSAN: data-race in __writeback_single_inode / generic_buffers_fsync_noflush (4) ext4 19 4h28m 115d
KCSAN: data-race in has_bh_in_lru / invalidate_bh_lru (5) ext4 13 31d 148d
KCSAN: data-race in __mark_inode_dirty / writeback_single_inode (8) exfat ext4 76 1d03h 186d
KCSAN: data-race in vfs_fsync_range / writeback_single_inode (7) ext4 126 1h08m 186d
KCSAN: data-race in __filemap_add_folio / nr_blockdev_pages (3) ext4 61 5d15h 347d
KCSAN: data-race in atime_needs_update / inode_update_timestamps ext4 197 4h29m 348d
KCSAN: data-race in filemap_splice_read / filemap_splice_read ext4 642 6h43m 349d
KCSAN: data-race in data_alloc / prb_reserve ext4 block bridge 960 1d10h 1336d
KCSAN: data-race in __find_get_block / has_bh_in_lru ext4 syz 2355 16h40m 1753d