[syzbot-moderation] Monthly ntfs3 report (Sep 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, 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> 17926 Yes KMSAN: uninit-value in longest_match_std (2)
https://syzkaller.appspot.com/bug?extid=08d8956768c96a2c52cf
<2> 7076 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> 3227 Yes possible deadlock in mark_as_free_ex (2)
https://syzkaller.appspot.com/bug?extid=8df514c431bd240c5644
<6> 2880 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> 358 Yes possible deadlock in mi_read (2)
https://syzkaller.appspot.com/bug?extid=17f812893d5906837f33

The report will be sent to: [nt...@lists.linux.dev almaz.ale...@paragon-software.com linux-...@vger.kernel.org].

---
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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[Aleksandr Nogikh]

#syz upstream

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