linux-kernel - Re: [syzbot] [ntfs3?] WARNING in indx_insert_into

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Message-ID: <68e39e26.a00a0220.2a5ca.000a.GAE@google.com>
Date: Mon, 06 Oct 2025 03:47:02 -0700
From: syzbot <syzbot+3a1878433bc1cb97b42a@...kaller.appspotmail.com>
To: almaz.alexandrovich@...agon-software.com, linux-kernel@...r.kernel.org, 
	ntfs3@...ts.linux.dev, syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [ntfs3?] WARNING in indx_insert_into_buffer (3)

syzbot has bisected this issue to:

commit acdbd67bf939577d6f9e3cf796a005c31cec52d8
Author: Konstantin Komarov <almaz.alexandrovich@...agon-software.com>
Date:   Fri Jun 28 15:27:46 2024 +0000

    fs/ntfs3: Optimize large writes into sparse file

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=147995cd980000
start commit:   6093a688a07d Merge tag 'char-misc-6.18-rc1' of git://git.k..
git tree:       upstream
final oops:     https://syzkaller.appspot.com/x/report.txt?x=167995cd980000
console output: https://syzkaller.appspot.com/x/log.txt?x=127995cd980000
kernel config:  https://syzkaller.appspot.com/x/.config?x=e654219ed2546322
dashboard link: https://syzkaller.appspot.com/bug?extid=3a1878433bc1cb97b42a
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=104b692f980000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=17962458580000

Reported-by: syzbot+3a1878433bc1cb97b42a@...kaller.appspotmail.com
Fixes: acdbd67bf939 ("fs/ntfs3: Optimize large writes into sparse file")

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