On 06:40 Thu 19 Apr, Eric Dumazet wrote:
>
>
> On 04/19/2018 04:26 AM, Liu, Changcheng wrote:
> > Hit below panic due to skb is NULL, WARN wrong skb first.
> > if __tcp_retransmit_skb return failure e.g. -EAGAIN, it
> > needn't do further action in tcp_retransmit_skb.
> >
> > gdb vmlinux
> > Rea
On 04/19/2018 04:26 AM, Liu, Changcheng wrote:
> Hit below panic due to skb is NULL, WARN wrong skb first.
> if __tcp_retransmit_skb return failure e.g. -EAGAIN, it
> needn't do further action in tcp_retransmit_skb.
>
> gdb vmlinux
> Reading symbols from vmlinux...done.
> (gdb) p &((struct tcp_s
Hit below panic due to skb is NULL, WARN wrong skb first.
if __tcp_retransmit_skb return failure e.g. -EAGAIN, it
needn't do further action in tcp_retransmit_skb.
gdb vmlinux
Reading symbols from vmlinux...done.
(gdb) p &((struct tcp_skb_cb *) \
&(((struct sk_buff *)0)->cb[0]))->tcp_gso_segs
$1 =