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

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Message-ID: <6765eefb.050a0220.226966.0000.GAE@google.com>
Date: Fri, 20 Dec 2024 14:26:03 -0800
From: syzbot <syzbot+731b27ee9413ba859499@...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?] possible deadlock in run_unpack_ex

syzbot has bisected this issue to:

commit 5fc982fe7eca9d0cf7b25832450ebd4f7c8e1c36
Author: Konstantin Komarov <almaz.alexandrovich@...agon-software.com>
Date:   Thu Oct 10 17:09:24 2024 +0000

    fs/ntfs3: Fix case when unmarked clusters intersect with zone

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=17286fe8580000
start commit:   baaa2567a712 Merge tag 'mmc-v6.13-rc2' of git://git.kernel..
git tree:       upstream
final oops:     https://syzkaller.appspot.com/x/report.txt?x=14a86fe8580000
console output: https://syzkaller.appspot.com/x/log.txt?x=10a86fe8580000
kernel config:  https://syzkaller.appspot.com/x/.config?x=1234f097ee657d8b
dashboard link: https://syzkaller.appspot.com/bug?extid=731b27ee9413ba859499
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=11660fe8580000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=12ce62df980000

Reported-by: syzbot+731b27ee9413ba859499@...kaller.appspotmail.com
Fixes: 5fc982fe7eca ("fs/ntfs3: Fix case when unmarked clusters intersect with zone")

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