linux-kernel - Re: [syzbot] [btrfs?] general protection fault in btrfs_root

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Message-ID: <67333229.050a0220.5d845.0000.GAE@google.com>
Date: Tue, 12 Nov 2024 02:47:05 -0800
From: syzbot <syzbot+9c3e0cdfbfe351b0bc0e@...kaller.appspotmail.com>
To: clm@...com, dsterba@...e.com, dsterba@...e.cz, ghanshyam1898@...il.com, 
	josef@...icpanda.com, linux-btrfs@...r.kernel.org, 
	linux-kernel@...r.kernel.org, quwenruo.btrfs@....com, 
	syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [btrfs?] general protection fault in btrfs_root_node

syzbot has bisected this issue to:

commit 42437a6386ffeaaf200731e73d723ea491f3fe7d
Author: Josef Bacik <josef@...icpanda.com>
Date:   Fri Oct 16 15:29:18 2020 +0000

    btrfs: introduce mount option rescue=ignorebadroots

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=16ef335f980000
start commit:   2d5404caa8c7 Linux 6.12-rc7
git tree:       upstream
final oops:     https://syzkaller.appspot.com/x/report.txt?x=15ef335f980000
console output: https://syzkaller.appspot.com/x/log.txt?x=11ef335f980000
kernel config:  https://syzkaller.appspot.com/x/.config?x=1503500c6f615d24
dashboard link: https://syzkaller.appspot.com/bug?extid=9c3e0cdfbfe351b0bc0e
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=15a1935f980000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=158934e8580000

Reported-by: syzbot+9c3e0cdfbfe351b0bc0e@...kaller.appspotmail.com
Fixes: 42437a6386ff ("btrfs: introduce mount option rescue=ignorebadroots")

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