[syzbot] Monthly ntfs3 report (Oct 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, 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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