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Message-ID: <0000000000009b68ac061347e975@google.com>
Date: Sat, 09 Mar 2024 21:44:03 -0800
From: syzbot <syzbot+65bb09a7208ce3d4a633@...kaller.appspotmail.com>
To: davem@...emloft.net, dsahern@...nel.org, edumazet@...gle.com, 
	idosch@...dia.com, kuba@...nel.org, linux-kernel@...r.kernel.org, 
	netdev@...r.kernel.org, pabeni@...hat.com, petrm@...dia.com, 
	syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [net?] kernel BUG in __nla_validate_parse

syzbot has bisected this issue to:

commit 2118f9390d83cf942de8b34faf3d35b54f9f4eee
Author: Petr Machata <petrm@...dia.com>
Date:   Wed Mar 6 12:49:15 2024 +0000

    net: nexthop: Adjust netlink policy parsing for a new attribute

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=13293b36180000
start commit:   d7e14e534493 Merge tag 'mlx5-socket-direct-v3' of git://gi..
git tree:       net-next
final oops:     https://syzkaller.appspot.com/x/report.txt?x=10a93b36180000
console output: https://syzkaller.appspot.com/x/log.txt?x=17293b36180000
kernel config:  https://syzkaller.appspot.com/x/.config?x=63afafeedf00ef8f
dashboard link: https://syzkaller.appspot.com/bug?extid=65bb09a7208ce3d4a633
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=113a3399180000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=156404d6180000

Reported-by: syzbot+65bb09a7208ce3d4a633@...kaller.appspotmail.com
Fixes: 2118f9390d83 ("net: nexthop: Adjust netlink policy parsing for a new attribute")

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

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