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

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Message-ID: <68d5671b.050a0220.25d7ab.0041.GAE@google.com>
Date: Thu, 25 Sep 2025 09:00:27 -0700
From: syzbot <syzbot+listba416414d9aeef5cb04b@...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 (Sep 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, 2 new issues were detected and 0 were fixed.
In total, 42 issues are still open and 68 have already been fixed.

Some of the still happening issues:

Ref  Crashes Repro Title
<1>  17936   Yes   KMSAN: uninit-value in longest_match_std (2)
                   https://syzkaller.appspot.com/bug?extid=08d8956768c96a2c52cf
<2>  7077    Yes   possible deadlock in run_unpack_ex
                   https://syzkaller.appspot.com/bug?extid=731b27ee9413ba859499
<3>  5560    Yes   possible deadlock in ntfs_read_folio
                   https://syzkaller.appspot.com/bug?extid=8ef76b0b1f86c382ad37
<4>  4922    Yes   possible deadlock in ntfs_fiemap
                   https://syzkaller.appspot.com/bug?extid=96cee7d33ca3f87eee86
<5>  3230    Yes   possible deadlock in mark_as_free_ex (2)
                   https://syzkaller.appspot.com/bug?extid=8df514c431bd240c5644
<6>  2881    Yes   possible deadlock in ntfs_look_for_free_space
                   https://syzkaller.appspot.com/bug?extid=d27edf9f96ae85939222
<7>  2807    Yes   possible deadlock in attr_data_get_block (2)
                   https://syzkaller.appspot.com/bug?extid=262a71e9d2faf8747085
<8>  492     Yes   possible deadlock in ntfs_fallocate
                   https://syzkaller.appspot.com/bug?extid=adacb2b0c896bc427962
<9>  456     Yes   KMSAN: uninit-value in bcmp (3)
                   https://syzkaller.appspot.com/bug?extid=0399100e525dd9696764
<10> 359     Yes   possible deadlock in mi_read (2)
                   https://syzkaller.appspot.com/bug?extid=17f812893d5906837f33

---
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See https://goo.gl/tpsmEJ for more information about syzbot.
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