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, 7 new issues were detected and 0 were fixed. In total, 38 issues are still open and 140 have been fixed so far. Some of the still happening issues: Ref Crashes Repro Title <1> 11122 Yes WARNING: locking bug in ext4_move_extents https://syzkaller.appspot.com/bug?extid=7f4a6f7f7051474e40ad <2> 1321 Yes kernel BUG in ext4_do_writepages https://syzkaller.appspot.com/bug?extid=d1da16f03614058fdc48 <3> 1251 Yes INFO: task hung in sync_inodes_sb (5) https://syzkaller.appspot.com/bug?extid=30476ec1b6dc84471133 <4> 807 Yes WARNING: locking bug in __ext4_ioctl https://syzkaller.appspot.com/bug?extid=a537ff48a9cb940d314c <5> 768 Yes WARNING: locking bug in ext4_ioctl https://syzkaller.appspot.com/bug?extid=a3c8e9ac9f9d77240afd <6> 489 No INFO: task hung in sb_start_write https://syzkaller.appspot.com/bug?extid=fb3ada58a6c0a3208821 <7> 459 No INFO: task hung in ext4_stop_mmpd https://syzkaller.appspot.com/bug?extid=0dd5b81275fa083055d7 <8> 342 Yes INFO: task hung in jbd2_journal_commit_transaction (5) https://syzkaller.appspot.com/bug?extid=3071bdd0a9953bc0d177 <9> 167 Yes possible deadlock in ext4_xattr_inode_iget (3) https://syzkaller.appspot.com/bug?extid=ee72b9a7aad1e5a77c5c <10> 64 Yes kernel BUG in ext4_write_inline_data_end (2) https://syzkaller.appspot.com/bug?extid=0c89d865531d053abb2d --- 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.
