linux-kernel - [syzbot] Monthly ntfs3 report (Oct 2025)

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Message-ID: <68ff306d.050a0220.32483.0013.GAE@google.com>
Date: Mon, 27 Oct 2025 01:42:21 -0700
From: syzbot <syzbot+list0bca5cd9894f3ce13802@...kaller.appspotmail.com>
To: almaz.alexandrovich@...agon-software.com, linux-kernel@...r.kernel.org, 
	ntfs3@...ts.linux.dev, syzkaller-bugs@...glegroups.com
Subject: [syzbot] Monthly ntfs3 report (Oct 2025)

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, 40 issues are still open and 70 have already been fixed.

Some of the still happening issues:

Ref  Crashes Repro Title
<1>  19521   Yes   KMSAN: uninit-value in longest_match_std (2)
                   https://syzkaller.appspot.com/bug?extid=08d8956768c96a2c52cf
<2>  7872    Yes   possible deadlock in run_unpack_ex
                   https://syzkaller.appspot.com/bug?extid=731b27ee9413ba859499
<3>  5563    Yes   possible deadlock in ntfs_read_folio
                   https://syzkaller.appspot.com/bug?extid=8ef76b0b1f86c382ad37
<4>  5086    Yes   possible deadlock in ntfs_fiemap
                   https://syzkaller.appspot.com/bug?extid=96cee7d33ca3f87eee86
<5>  3590    Yes   possible deadlock in mark_as_free_ex (2)
                   https://syzkaller.appspot.com/bug?extid=8df514c431bd240c5644
<6>  3255    Yes   possible deadlock in ntfs_look_for_free_space
                   https://syzkaller.appspot.com/bug?extid=d27edf9f96ae85939222
<7>  2983    Yes   possible deadlock in attr_data_get_block (2)
                   https://syzkaller.appspot.com/bug?extid=262a71e9d2faf8747085
<8>  499     Yes   possible deadlock in ntfs_fallocate
                   https://syzkaller.appspot.com/bug?extid=adacb2b0c896bc427962
<9>  380     Yes   possible deadlock in mi_read (2)
                   https://syzkaller.appspot.com/bug?extid=17f812893d5906837f33
<10> 193     Yes   KMSAN: uninit-value in ntfs_read_bh
                   https://syzkaller.appspot.com/bug?extid=7a2ba6b7b66340cff225

---
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