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, 3 new issues were detected and 10 were fixed. In total, 46 issues are still open and 106 have been fixed so far. Some of the still happening issues: Ref Crashes Repro Title <1> 124 Yes kernel BUG in ext4_do_writepages https://syzkaller.appspot.com/bug?extid=d1da16f03614058fdc48 <2> 48 No WARNING in ext4_write_inode (2) https://syzkaller.appspot.com/bug?extid=748cc361874fca7d33cc <3> 8 Yes WARNING in ext4_da_update_reserve_space (2) https://syzkaller.appspot.com/bug?extid=a1232eabd7a3d43d4fb5 <4> 8 Yes kernel BUG in __ext4_journal_stop https://syzkaller.appspot.com/bug?extid=bdab24d5bf96d57c50b0 <5> 7 Yes kernel BUG in ext4_write_inline_data https://syzkaller.appspot.com/bug?extid=f4582777a19ec422b517 --- 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.