From mboxrd@z Thu Jan 1 00:00:00 1970 From: Cong Wang Subject: Re: kernel BUG at net/core/skbuff.c:LINE! (2) Date: Sat, 9 Dec 2017 11:36:10 -0800 Message-ID: References: <001a1149c712d56ccc055cc48e37@google.com> <001a1140f5788a1817055fcfcb1f@google.com> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Cc: syzbot , davem , kuznet , LKML , linux-sctp@vger.kernel.org, network dev , Neil Horman , syzkaller-bugs@googlegroups.com, Vlad Yasevich , yoshfuji To: Xin Long Return-path: In-Reply-To: Sender: linux-kernel-owner@vger.kernel.org List-Id: netdev.vger.kernel.org On Fri, Dec 8, 2017 at 12:45 AM, Xin Long wrote: > This isn't a sctp problem, but mld's, seems when lo's mtu became 0, > it allocs a skb without enough space in add_grec(): Shouldn't we just set its min_mtu to ETH_MIN_MTU?