Hello ext4 maintainers/developers, This is a 31-day syzbot report for the ext4 subsystem. All related reports/information can be found at: https://syzkaller.appspot.com/upstream/s/ext4 During the period, 6 new issues were detected and 0 were fixed. In total, 72 issues are still open and 82 have been fixed so far. Some of the still happening issues: Ref Crashes Repro Title <1> 83130 Yes possible deadlock in jbd2_journal_lock_updates https://syzkaller.appspot.com/bug?extid=79e6bbabf3ce17357969 <2> 7208 Yes WARNING in ext4_dirty_folio https://syzkaller.appspot.com/bug?extid=ecab51a4a5b9f26eeaa1 <3> 5604 Yes possible deadlock in dquot_commit (2) https://syzkaller.appspot.com/bug?extid=70ff52e51b7e7714db8a <4> 773 Yes INFO: task hung in __sync_dirty_buffer https://syzkaller.appspot.com/bug?extid=91dccab7c64e2850a4e5 <5> 476 No possible deadlock in ext4_map_blocks https://syzkaller.appspot.com/bug?extid=6de5025c31d33047d2a4 <6> 361 No possible deadlock in ext4_multi_mount_protect https://syzkaller.appspot.com/bug?extid=6b7df7d5506b32467149 <7> 203 Yes kernel BUG in ext4_get_group_info https://syzkaller.appspot.com/bug?extid=e2efa3efc15a1c9e95c3 <8> 93 Yes kernel BUG in ext4_do_writepages https://syzkaller.appspot.com/bug?extid=d1da16f03614058fdc48 <9> 29 Yes KASAN: slab-out-of-bounds Read in ext4_enable_quotas https://syzkaller.appspot.com/bug?extid=ea70429cd5cf47ba8937 <10> 22 Yes WARNING in ext4_xattr_block_set (2) https://syzkaller.appspot.com/bug?extid=6385d7d3065524c5ca6d --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@xxxxxxxxxxxxxxxx. To disable reminders for individual bugs, reply with the following command: #syz set <Ref> no-reminders To change bug's subsystems, reply with: #syz set <Ref> subsystems: new-subsystem You may send multiple commands in a single email message.
