Hello ntfs3 maintainers/developers, This is a 31-day syzbot report for the ntfs3 subsystem. All related reports/information can be found at: https://syzkaller.appspot.com/upstream/s/ntfs3 During the period, 5 new issues were detected and 0 were fixed. In total, 41 issues are still open and 57 have already been fixed. Some of the still happening issues: Ref Crashes Repro Title <1> 14466 Yes kernel BUG in zero_user_segments https://syzkaller.appspot.com/bug?extid=78eeb671facb19832e95 <2> 10502 Yes kernel BUG in dnotify_free_mark https://syzkaller.appspot.com/bug?extid=06cc05ddc896f12b7ec5 <3> 9346 Yes KMSAN: uninit-value in longest_match_std (2) https://syzkaller.appspot.com/bug?extid=08d8956768c96a2c52cf <4> 5539 Yes possible deadlock in ntfs_read_folio https://syzkaller.appspot.com/bug?extid=8ef76b0b1f86c382ad37 <5> 3780 Yes KASAN: out-of-bounds Write in end_buffer_read_sync https://syzkaller.appspot.com/bug?extid=3f7f291a3d327486073c <6> 2983 Yes possible deadlock in ntfs_fiemap https://syzkaller.appspot.com/bug?extid=96cee7d33ca3f87eee86 <7> 1538 Yes possible deadlock in ntfs_file_mmap https://syzkaller.appspot.com/bug?extid=c1751b6739d83d70bb75 <8> 1302 Yes possible deadlock in attr_data_get_block (2) https://syzkaller.appspot.com/bug?extid=262a71e9d2faf8747085 <9> 529 Yes kernel BUG in ntfs_extend_initialized_size https://syzkaller.appspot.com/bug?extid=39385e8595a092bae44b <10> 313 Yes possible deadlock in ntfs_fallocate https://syzkaller.appspot.com/bug?extid=adacb2b0c896bc427962 --- 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.