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, 8 new issues were detected and 3 were fixed. In total, 51 issues are still open and 112 have been fixed so far. Some of the still happening issues: Ref Crashes Repro Title <1> 1186 Yes WARNING: locking bug in ext4_move_extents https://syzkaller.appspot.com/bug?extid=7f4a6f7f7051474e40ad <2> 207 No INFO: task hung in path_openat (7) https://syzkaller.appspot.com/bug?extid=950a0cdaa2fdd14f5bdc <3> 147 Yes WARNING in ext4_file_write_iter https://syzkaller.appspot.com/bug?extid=5050ad0fb47527b1808a <4> 141 Yes possible deadlock in quotactl_fd https://syzkaller.appspot.com/bug?extid=cdcd444e4d3a256ada13 <5> 115 No possible deadlock in evict (3) https://syzkaller.appspot.com/bug?extid=dd426ae4af71f1e74729 <6> 97 Yes WARNING: locking bug in __ext4_ioctl https://syzkaller.appspot.com/bug?extid=a537ff48a9cb940d314c <7> 52 Yes WARNING: locking bug in ext4_ioctl https://syzkaller.appspot.com/bug?extid=a3c8e9ac9f9d77240afd <8> 24 Yes kernel BUG in ext4_write_inline_data_end https://syzkaller.appspot.com/bug?extid=198e7455f3a4f38b838a <9> 5 Yes INFO: task hung in ext4_evict_ea_inode https://syzkaller.appspot.com/bug?extid=38e6635a03c83c76297a <10> 5 Yes KASAN: use-after-free Read in ext4_search_dir https://syzkaller.appspot.com/bug?extid=34a0f26f0f61c4888ea4 --- 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.
