Re: WARNING: at net/ipv4/tcp.c:1610 tcp_recvmsg+0xb1b/0xc70()

Eric Dumazet
2012-05-27T19:46:18Z

On Sun, 2012-05-27 at 21:36 +0200, Eric Dumazet wrote:
> pied elsewhere, so we can double check.
>
> diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
> index 3ba605f..22e4c9a 100644
> --- a/net/ipv4/tcp.c
> +++ b/net/ipv4/tcp.c
> @@ -1606,8 +1606,10 @@ int tcp_recvmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
> if (tcp_hdr(skb)->fin)
> goto found_fin_ok;
> WARN(!(flags & MSG_PEEK),
> - "recvmsg bug 2: copied %X seq %X rcvnxt %X fl %X\n",
> - *seq, TCP_SKB_CB(skb)->seq, tp->rcv_nxt, flags);
> + "recvmsg bug 2: copied %X seq %X end_seq %X rcvnxt %X fl %X offset %u len %u syn %d tcp_flags %X\n",
> + *seq, TCP_SKB_CB(skb)->seq, TCP_SKB_CB(skb)->end_seq,
> + tp->rcv_nxt, flags, offset, skb->len, tcp_hdr(skb)->syn,
> + TCP_SKB_CB(skb)->tcp_flags);
> }
>
> /* Well, if we have backlog, try to process it now yet. */
>

Oh well, ignore this, as tcp_flags is only set in output path.