syzbot


ext4 subsystem


List(s): linux-ext4@vger.kernel.org
Fixed bugs: 149
Parent subsystem(s): fs (147)
open (56):
Title Repro Cause bisect Fix bisect Count Last Reported Discussions
KASAN: slab-use-after-free Read in ext4_ext_remove_space ext4 5 3d05h 3d05h
kernel BUG in ext4_alloc_file_blocks ext4 C error 3 9d14h 7d00h PATCH [3d15h]
BUG: corrupted list in __sk_destruct (2) net ext4 syz done 1 30d 30d
WARNING in get_dump_page ext4 mm C done 5 22d 36d
WARNING in __ext4_iget ext4 C done 4927 9d15h 51d
general protection fault in __dev_set_rx_mode net ext4 syz 1 56d 52d
WARNING in inode_set_cached_link ext4 C done 76714 8m 56d 💬 1 [9d22h]
INFO: task hung in ext4_evict_ea_inode (3) ext4 syz error 12 25d 56d
kernel BUG in ext4_es_cache_extent (2) ext4 1 69d 65d
INFO: rcu detected stall in sys_mkdir (9) ext4 syz done 1 4d11h 68d
KASAN: slab-out-of-bounds Read in filldir64 ext4 1 84d 71d
BUG: unable to handle kernel NULL pointer dereference in ext4_mb_add_groupinfo (2) ext4 7 50d 72d
possible deadlock in wait_transaction_locked (2) ext4 1 84d 80d
kernel BUG in set_blocksize (2) block udf ext4 syz error 1 87d 83d
WARNING in __jbd2_log_wait_for_space ocfs2 ext4 C inconclusive 5 4d07h 90d
KASAN: use-after-free Read in ext4_find_extent (4) ext4 C done 22 3d11h 93d 💬 1 [6d00h]
possible deadlock in ext4_readpage_inline ext4 6 73d 99d
INFO: task hung in find_inode_fast (4) ext4 syz error 8 10d 101d
possible deadlock in start_this_handle (5) ext4 33 68d 104d
possible deadlock in ext4_inline_data_truncate (3) ext4 3 79d 106d
possible deadlock in ext4_setattr (3) ext4 2 93d 110d
general protection fault in pcpu_alloc wireless ext4 syz 1 122d 119d
WARNING: locking bug in jbd2_alloc ext4 8 4d18h 126d
INFO: task hung in do_get_write_access (3) ext4 C error 136 8d04h 130d
kernel BUG in ext4_write_inline_data (2) ext4 C error 26 14h59m 133d 💬 2 [131d]
INFO: rcu detected stall in rescuer_thread ext4 batman C done 15 1d17h 137d
divide error in qnx6_mmi_fill_super ext4 C unreliable inconclusive 5 9d00h 152d PATCH [150d]
WARNING in ext4_iomap_begin (3) ext4 C inconclusive 18 24d 154d
WARNING: locking bug in ext4_mb_add_groupinfo (2) ext4 22 7d15h 158d
KASAN: use-after-free Write in ext4_insert_dentry ext4 C done 112 3d01h 159d PATCH [150d]
possible deadlock in ext4_writepages (2) ext4 4 17d 165d
WARNING in ext4_journal_check_start (2) ext4 C inconclusive inconclusive 24 3d19h 167d
KASAN: use-after-free Read in __ext4_check_dir_entry (3) ext4 C inconclusive 6 26d 179d
possible deadlock in dqget ocfs2 ext4 C 43144 now 184d
WARNING in jbd2_journal_update_sb_log_tail ocfs2 ext4 C done 36 12d 185d 💬 4 [72d]
possible deadlock in ext4_xattr_inode_lookup_create ext4 C done 76 12m 187d
KASAN: out-of-bounds Read in ext4_xattr_set_entry ext4 C error 1314 1h58m 193d PATCH [167d]
WARNING in jbd2_journal_dirty_metadata ext4 49 37d 206d
kernel BUG in ext4_inline_data_truncate ext4 C done error 8 21d 214d 💬 1 [214d]
KASAN: use-after-free Read in ext4_inlinedir_to_tree ext4 C done 6 27d 217d 💬 1 [217d]
kernel BUG in ext4_mb_use_inode_pa (2) ext4 C 59 2d16h 238d
KCSAN: data-race in generic_buffers_fsync_noflush / writeback_single_inode (3) ext4 256 1h09m 244d
KASAN: slab-out-of-bounds Read in ext4_read_inline_dir ext4 C done 79 14d 249d 💬 1 [248d]
WARNING in ext4_xattr_inode_lookup_create ext4 C inconclusive 22 29d 310d PATCH [309d]
INFO: task hung in jbd2_journal_commit_transaction (5) usb ext4 C error 1950 1d11h 323d
KMSAN: uninit-value in aes_encrypt (5) ext4 C 183 13d 340d PATCH [286d]
WARNING in __ext4_journal_start_sb ext4 C 4 16d 340d
WARNING: locking bug in find_lock_lowest_rq ext4 C error 100 17d 343d 💬 2 [309d]
WARNING in ext4_xattr_set_entry (2) ext4 C error 9 323d 357d
kernel BUG in ext4_write_inline_data_end (2) ext4 C inconclusive 173 4d02h 426d 💬 1 [41d]
INFO: task hung in sync_inodes_sb (5) ext4 C error inconclusive 2360 7d07h 625d
WARNING: locking bug in ext4_ioctl ext4 C done done 923 117d 668d PATCH [187d]
WARNING: locking bug in __ext4_ioctl ext4 C done error 849 134d 668d
kernel BUG in ext4_do_writepages ext4 C error 2068 1h44m 837d 💬 8 [9d22h]
kernel BUG in __ext4_journal_stop ext4 C error done 23 20d 857d 💬 7 [387d]
memory leak in __lookup_slow ext4 usb C 2 947d 1268d
moderation (27):
Title Repro Cause bisect Fix bisect Count Last Reported Discussions
KCSAN: data-race in page_cache_sync_ra / page_cache_sync_ra (2) ext4 1 5d03h 5d03h
general protection fault in ext4_finish_bio (2) ext4 1 11d 7d13h
KCSAN: data-race in xas_find_marked / xas_init_marks (5) ext4 1 14d 14d
KCSAN: data-race in __mark_inode_dirty / inode_cgwb_move_to_attached (8) ext4 2 7d00h 19d
KCSAN: data-race in __mark_inode_dirty / redirty_tail_locked (10) ext4 1 21d 21d
general protection fault in ext4_put_super (2) ext4 1 36d 32d
KCSAN: data-race in __mark_inode_dirty / move_expired_inodes (5) ext4 5 15d 43d
KCSAN: data-race in get_tree_bdev_flags / super_cache_count ext4 1 47d 47d
KCSAN: data-race in inode_cgwb_move_to_attached / vfs_fsync_range ext4 1 55d 55d
KCSAN: data-race in has_bh_in_lru / invalidate_bh_lru (7) ext4 4 36d 62d
KCSAN: data-race in __mark_inode_dirty / generic_buffers_fsync_noflush (2) ext4 3 55d 118d
KCSAN: data-race in redirty_tail_locked / vfs_fsync_range (3) ext4 9 2d15h 125d
BUG: unable to handle kernel NULL pointer dereference in jbd2_alloc ext4 3 38d 129d
KCSAN: data-race in generic_buffers_fsync_noflush / redirty_tail_locked (2) ext4 16 11d 136d
KCSAN: data-race in generic_buffers_fsync_noflush / inode_cgwb_move_to_attached (2) ext4 18 4d13h 142d
KCSAN: data-race in __mark_inode_dirty / __writeback_single_inode (3) ext4 19 2d22h 182d
KCSAN: data-race in data_alloc / data_push_tail (3) ext4 21 10d 207d
KCSAN: data-race in __writeback_single_inode / generic_buffers_fsync_noflush (4) ext4 42 8d21h 249d
KCSAN: data-race in __mark_inode_dirty / writeback_single_inode (8) ext4 192 1d01h 319d
KCSAN: data-race in vfs_fsync_range / writeback_single_inode (7) ext4 358 1d07h 319d
KCSAN: data-race in __filemap_add_folio / nr_blockdev_pages (3) ext4 91 1d06h 480d
KCSAN: data-race in delete_from_page_cache_batch / folio_mapping (2) block ext4 126 8d03h 483d
KCSAN: data-race in filemap_splice_read / filemap_splice_read ext4 951 9h11m 483d
KCSAN: data-race in data_push_tail / string ext4 408 4h42m 1350d
KCSAN: data-race in data_alloc / prb_reserve netfilter ext4 1039 1d21h 1469d
KCSAN: data-race in _prb_read_valid / prb_reserve ext4 batman 3590 4h41m 1606d
KCSAN: data-race in __find_get_block / has_bh_in_lru ext4 syz 2478 1h38m 1886d