linux-kernel - Re: [syzbot] [ntfs3?] possible deadlock in mark_as_free

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Message-ID: <696b844d.050a0220.3390f1.000b.GAE@google.com>
Date: Sat, 17 Jan 2026 04:45:01 -0800
From: syzbot <syzbot+8df514c431bd240c5644@...kaller.appspotmail.com>
To: almaz.alexandrovich@...agon-software.com, linux-kernel@...r.kernel.org, 
	lizhi.xu@...driver.com, ntfs3@...ts.linux.dev, 
	syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [ntfs3?] possible deadlock in mark_as_free_ex (2)

syzbot suspects this issue was fixed by commit:

commit bcbb8d0afd94927215e8ae97c40cfefa807cfe0b
Author: Konstantin Komarov <almaz.alexandrovich@...agon-software.com>
Date:   Thu Oct 30 20:51:09 2025 +0000

    fs/ntfs3: change the default mount options for "acl" and "prealloc"

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=12e7739a580000
start commit:   c9cfc122f037 Merge tag 'for-6.18-rc4-tag' of git://git.ker..
git tree:       upstream
kernel config:  https://syzkaller.appspot.com/x/.config?x=41ad820f608cb833
dashboard link: https://syzkaller.appspot.com/bug?extid=8df514c431bd240c5644
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=114e4a58580000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=10bfc084580000

If the result looks correct, please mark the issue as fixed by replying with:

#syz fix: fs/ntfs3: change the default mount options for "acl" and "prealloc"

For information about bisection process see: https://goo.gl/tpsmEJ#bisection