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 2 were fixed. In total, 40 issues are still open and 118 have been fixed so far. Some of the still happening issues: Ref Crashes Repro Title <1> 2826 Yes WARNING: locking bug in ext4_move_extents https://syzkaller.appspot.com/bug?extid=7f4a6f7f7051474e40ad <2> 221 Yes WARNING: locking bug in __ext4_ioctl https://syzkaller.appspot.com/bug?extid=a537ff48a9cb940d314c <3> 138 No possible deadlock in evict (3) https://syzkaller.appspot.com/bug?extid=dd426ae4af71f1e74729 <4> 117 Yes WARNING: locking bug in ext4_ioctl https://syzkaller.appspot.com/bug?extid=a3c8e9ac9f9d77240afd <5> 73 Yes INFO: task hung in sync_inodes_sb (5) https://syzkaller.appspot.com/bug?extid=30476ec1b6dc84471133 <6> 28 Yes kernel BUG in ext4_write_inline_data_end https://syzkaller.appspot.com/bug?extid=198e7455f3a4f38b838a <7> 14 No KASAN: slab-use-after-free Read in check_igot_inode https://syzkaller.appspot.com/bug?extid=741810aea4ac24243b2f <8> 7 Yes KASAN: slab-use-after-free Read in ext4_convert_inline_data_nolock https://syzkaller.appspot.com/bug?extid=db6caad9ebd2c8022b41 <9> 6 Yes INFO: task hung in ext4_evict_ea_inode https://syzkaller.appspot.com/bug?extid=38e6635a03c83c76297a <10> 6 Yes KASAN: out-of-bounds Read in ext4_ext_remove_space https://syzkaller.appspot.com/bug?extid=6e5f2db05775244c73b7 --- 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.
