[syzbot] Monthly ntfs3 report (Dec 2025)

[syzbot] Monthly ntfs3 report (Dec 2025)

[syzbot]

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, 3 new issues were detected and 0 were fixed.
In total, 28 issues are still open and 74 have already been fixed.

Some of the still happening issues:

Ref  Crashes Repro Title
<1>  22243   Yes   KMSAN: uninit-value in longest_match_std (2)
                   https://syzkaller.appspot.com/bug?extid=08d8956768c96a2c52cf
<2>  8893    Yes   possible deadlock in run_unpack_ex
                   https://syzkaller.appspot.com/bug?extid=731b27ee9413ba859499
<3>  5565    Yes   possible deadlock in ntfs_read_folio
                   https://syzkaller.appspot.com/bug?extid=8ef76b0b1f86c382ad37
<4>  5410    Yes   possible deadlock in ntfs_fiemap
                   https://syzkaller.appspot.com/bug?extid=96cee7d33ca3f87eee86
<5>  3847    Yes   possible deadlock in mark_as_free_ex (2)
                   https://syzkaller.appspot.com/bug?extid=8df514c431bd240c5644
<6>  3394    Yes   possible deadlock in attr_data_get_block (2)
                   https://syzkaller.appspot.com/bug?extid=262a71e9d2faf8747085
<7>  512     Yes   possible deadlock in ntfs_fallocate
                   https://syzkaller.appspot.com/bug?extid=adacb2b0c896bc427962
<8>  407     Yes   possible deadlock in mi_read (2)
                   https://syzkaller.appspot.com/bug?extid=17f812893d5906837f33
<9>  129     Yes   INFO: task hung in do_unlinkat (5)
                   https://syzkaller.appspot.com/bug?extid=08b113332e19a9378dd5
<10> 122     Yes   memory leak in ntfs_init_fs_context (2)
                   https://syzkaller.appspot.com/bug?extid=23aee7afc440fe803545

---
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@googlegroups.com.

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.