Re: general protection fault in __ipv6_sock_mc_join

syzbot has found a reproducer for the following crash on: HEAD commit:40e020c129cf Linux 4.20-rc6 git tree: net console output: https://syzkaller.appspot.com/x/log.txt?x=1296c56d40 kernel config: https://syzkaller.appspot.com/x/.config?x=c8970c89a0efbb23 dashboard link: https://syz

general protection fault in __ipv6_sock_mc_join

Hello, syzbot found the following crash on: HEAD commit:4cc1feeb6ffc Merge git://git.kernel.org/pub/scm/linux/kern.. git tree: net-next console output: https://syzkaller.appspot.com/x/log.txt?x=16d9912540 kernel config: https://syzkaller.appspot.com/x/.config?x=d9655b05acfc97ff da