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 1 were fixed. In total, 27 issues are still open and 131 have been fixed so far. Some of the still happening issues: Ref Crashes Repro Title <1> 8793 Yes WARNING: locking bug in ext4_move_extents https://syzkaller.appspot.com/bug?extid=7f4a6f7f7051474e40ad <2> 706 Yes WARNING: locking bug in __ext4_ioctl https://syzkaller.appspot.com/bug?extid=a537ff48a9cb940d314c <3> 435 Yes WARNING: locking bug in ext4_ioctl https://syzkaller.appspot.com/bug?extid=a3c8e9ac9f9d77240afd <4> 151 Yes INFO: task hung in sync_inodes_sb (5) https://syzkaller.appspot.com/bug?extid=30476ec1b6dc84471133 <5> 33 Yes KASAN: wild-memory-access Read in read_block_bitmap https://syzkaller.appspot.com/bug?extid=47f3372b693d7f62b8ae <6> 20 Yes INFO: task hung in ext4_quota_write https://syzkaller.appspot.com/bug?extid=a43d4f48b8397d0e41a9 <7> 19 Yes INFO: rcu detected stall in sys_unlink (3) https://syzkaller.appspot.com/bug?extid=c4f62ba28cc1290de764 <8> 13 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.
