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Date: Tue, 02 Jan 2024 16:40:05 -0800
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Subject: Re: [syzbot] [hfs?] possible deadlock in hfs_extend_file (2)
From: syzbot <syzbot+41a88b825a315aac2254@syzkaller.appspotmail.com>
To: akpm@linux-foundation.org, eadavis@qq.com, ernesto.mnd.fernandez@gmail.com, 
	linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, 
	syzkaller-bugs@googlegroups.com, torvalds@linux-foundation.org, 
	willy@infradead.org
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syzbot has bisected this issue to:

commit 54640c7502e5ed41fbf4eedd499e85f9acc9698f
Author: Ernesto A. Fern=C3=A1ndez <ernesto.mnd.fernandez@gmail.com>
Date:   Tue Oct 30 22:06:17 2018 +0000

    hfs: prevent btree data loss on ENOSPC

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=3D1121e49ae800=
00
start commit:   610a9b8f49fb Linux 6.7-rc8
git tree:       upstream
final oops:     https://syzkaller.appspot.com/x/report.txt?x=3D1321e49ae800=
00
console output: https://syzkaller.appspot.com/x/log.txt?x=3D1521e49ae80000
kernel config:  https://syzkaller.appspot.com/x/.config?x=3D247b5a935d307ee=
5
dashboard link: https://syzkaller.appspot.com/bug?extid=3D41a88b825a315aac2=
254
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=3D1552fe19e8000=
0
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=3D1419bcade80000

Reported-by: syzbot+41a88b825a315aac2254@syzkaller.appspotmail.com
Fixes: 54640c7502e5 ("hfs: prevent btree data loss on ENOSPC")

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