From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:60175) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1d1HsQ-0002nz-1r for qemu-devel@nongnu.org; Thu, 20 Apr 2017 15:36:27 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1d1HsP-0004AQ-6B for qemu-devel@nongnu.org; Thu, 20 Apr 2017 15:36:26 -0400 Received: from mail-io0-x244.google.com ([2607:f8b0:4001:c06::244]:36002) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1d1HsP-0004AC-1j for qemu-devel@nongnu.org; Thu, 20 Apr 2017 15:36:25 -0400 Received: by mail-io0-x244.google.com with SMTP id x86so19921419ioe.3 for ; Thu, 20 Apr 2017 12:36:24 -0700 (PDT) From: Tao Wu Date: Thu, 20 Apr 2017 12:36:16 -0700 Message-Id: <20170420193616.36780-1-lepton@google.com> Subject: [Qemu-devel] [PATCH 1/1] Fix wrong mss bug. List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: Tao Wu This bug was introduced by https://github.com/qemu/qemu/commit/98c6305 Signed-off-by: Tao Wu --- slirp/tcp_input.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/slirp/tcp_input.c b/slirp/tcp_input.c index edb98f06f3..07bcbdb2dd 100644 --- a/slirp/tcp_input.c +++ b/slirp/tcp_input.c @@ -1587,11 +1587,11 @@ tcp_mss(struct tcpcb *tp, u_int offer) switch (so->so_ffamily) { case AF_INET: mss = MIN(IF_MTU, IF_MRU) - sizeof(struct tcphdr) - + sizeof(struct ip); + - sizeof(struct ip); break; case AF_INET6: mss = MIN(IF_MTU, IF_MRU) - sizeof(struct tcphdr) - + sizeof(struct ip6); + - sizeof(struct ip6); break; default: g_assert_not_reached(); -- 2.12.2.816.g2cccc81164-goog