Re: [syzbot] [net?] kernel BUG in __nla_validate_parse

syzbot
2024-03-10T05:44:03Z

syzbot has bisected this issue to:

commit 2118f9390d83cf942de8b34faf3d35b54f9f4eee
Author: Petr Machata <petrm@nvidia.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@syzkaller.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