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

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Message-ID: <68837b03.a00a0220.2f88df.0050.GAE@google.com>
Date: Fri, 25 Jul 2025 05:39:31 -0700
From: syzbot <syzbot+listcde0fbb18221df5bd95c@...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 (Jul 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, 1 new issues were detected and 0 were fixed.
In total, 36 issues are still open and 65 have already been fixed.

Some of the still happening issues:

Ref  Crashes Repro Title
<1>  22703   Yes   kernel BUG in dnotify_free_mark
                   https://syzkaller.appspot.com/bug?extid=06cc05ddc896f12b7ec5
<2>  15421   Yes   KMSAN: uninit-value in longest_match_std (2)
                   https://syzkaller.appspot.com/bug?extid=08d8956768c96a2c52cf
<3>  6258    Yes   possible deadlock in run_unpack_ex
                   https://syzkaller.appspot.com/bug?extid=731b27ee9413ba859499
<4>  5558    Yes   possible deadlock in ntfs_read_folio
                   https://syzkaller.appspot.com/bug?extid=8ef76b0b1f86c382ad37
<5>  4823    Yes   KASAN: out-of-bounds Write in end_buffer_read_sync
                   https://syzkaller.appspot.com/bug?extid=3f7f291a3d327486073c
<6>  4651    Yes   possible deadlock in ntfs_fiemap
                   https://syzkaller.appspot.com/bug?extid=96cee7d33ca3f87eee86
<7>  3603    Yes   possible deadlock in ntfs_file_mmap
                   https://syzkaller.appspot.com/bug?extid=c1751b6739d83d70bb75
<8>  2818    Yes   possible deadlock in mark_as_free_ex (2)
                   https://syzkaller.appspot.com/bug?extid=8df514c431bd240c5644
<9>  2524    Yes   possible deadlock in ntfs_look_for_free_space
                   https://syzkaller.appspot.com/bug?extid=d27edf9f96ae85939222
<10> 2522    Yes   possible deadlock in attr_data_get_block (2)
                   https://syzkaller.appspot.com/bug?extid=262a71e9d2faf8747085

---
This report is generated by a bot. It may contain errors.
See https://goo.gl/tpsmEJ for more information about syzbot.
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