Hello fat maintainers/developers, This is a 31-day syzbot report for the fat subsystem. All related reports/information can be found at: https://syzkaller.appspot.com/upstream/s/fat During the period, 1 new issues were detected and 0 were fixed. In total, 10 issues are still open and 20 have been fixed so far. Some of the still happening issues: Ref Crashes Repro Title <1> 248 Yes possible deadlock in filemap_fault https://syzkaller.appspot.com/bug?extid=7736960b837908f3a81d <2> 202 Yes kernel BUG at fs/buffer.c:LINE! https://syzkaller.appspot.com/bug?extid=cfed5b56649bddf80d6e <3> 197 Yes possible deadlock in exfat_get_block https://syzkaller.appspot.com/bug?extid=247e66a2c3ea756332c7 <4> 149 Yes possible deadlock in exfat_iterate https://syzkaller.appspot.com/bug?extid=38655f1298fefc58a904 <5> 74 Yes possible deadlock in exc_page_fault https://syzkaller.appspot.com/bug?extid=6d274a5dc4fa0974d4ad --- 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.