[syzbot] Monthly ntfs3 report (Aug 2025)

[syzbot] Monthly ntfs3 report (Aug 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, 8 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>  22993   Yes   kernel BUG in dnotify_free_mark
                   https://syzkaller.appspot.com/bug?extid=06cc05ddc896f12b7ec5
<2>  16786   Yes   KMSAN: uninit-value in longest_match_std (2)
                   https://syzkaller.appspot.com/bug?extid=08d8956768c96a2c52cf
<3>  6561    Yes   possible deadlock in run_unpack_ex
                   https://syzkaller.appspot.com/bug?extid=731b27ee9413ba859499
<4>  4896    Yes   KASAN: out-of-bounds Write in end_buffer_read_sync
                   https://syzkaller.appspot.com/bug?extid=3f7f291a3d327486073c
<5>  4799    Yes   possible deadlock in ntfs_fiemap
                   https://syzkaller.appspot.com/bug?extid=96cee7d33ca3f87eee86
<6>  3005    Yes   possible deadlock in mark_as_free_ex (2)
                   https://syzkaller.appspot.com/bug?extid=8df514c431bd240c5644
<7>  2666    Yes   possible deadlock in ntfs_look_for_free_space
                   https://syzkaller.appspot.com/bug?extid=d27edf9f96ae85939222
<8>  2644    Yes   possible deadlock in attr_data_get_block (2)
                   https://syzkaller.appspot.com/bug?extid=262a71e9d2faf8747085
<9>  490     Yes   possible deadlock in ntfs_fallocate
                   https://syzkaller.appspot.com/bug?extid=adacb2b0c896bc427962
<10> 413     Yes   KMSAN: uninit-value in bcmp (3)
                   https://syzkaller.appspot.com/bug?extid=0399100e525dd9696764

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