Re: [PATCH] soreuseport: add compat case for setsockopt SO_ATTACH_REUSEPORT_CBPF

6 messages, 6 authors, 2016-06-06 · open the first message on its own page

Re: [PATCH] soreuseport: add compat case for setsockopt SO_ATTACH_REUSEPORT_CBPF

From: Craig Gallek <hidden>
Date: 2016-06-03 21:33:12

On Fri, Jun 3, 2016 at 5:09 PM, Helge Deller [off-list ref] wrote:
Any idea for a better naming than "do_sockopt_fix_sock_fprog()" ?
Thanks for catching and fixing this.  I'd suggest simply leaving the
function name as-is.  Your fix to the condition in that function is
sufficient to address the issue.

Craig

Re: [PATCH] soreuseport: add compat case for setsockopt SO_ATTACH_REUSEPORT_CBPF

From: Alexei Starovoitov <hidden>
Date: 2016-06-03 21:40:08

On Fri, Jun 03, 2016 at 05:33:09PM -0400, Craig Gallek wrote:
On Fri, Jun 3, 2016 at 5:09 PM, Helge Deller [off-list ref] wrote:
quoted
Any idea for a better naming than "do_sockopt_fix_sock_fprog()" ?
Thanks for catching and fixing this.  I'd suggest simply leaving the
function name as-is.  Your fix to the condition in that function is
sufficient to address the issue.
+1
and thanks for the fixes!

Re: [PATCH v2] soreuseport: add compat case for setsockopt SO_ATTACH_REUSEPORT_CBPF

From: Helge Deller <deller@gmx.de>
Date: 2016-06-03 21:49:34

Commit 538950a1b752 ("soreuseport: setsockopt SO_ATTACH_REUSEPORT_[CE]BPF")
missed to add the compat case for the SO_ATTACH_REUSEPORT_CBPF option.

Signed-off-by: Helge Deller <deller@gmx.de>
diff --git a/net/compat.c b/net/compat.c
index 5cfd26a..1373947 100644
--- a/net/compat.c
+++ b/net/compat.c
@@ -354,7 +354,8 @@ static int do_set_sock_timeout(struct socket *sock, int level,
 static int compat_sock_setsockopt(struct socket *sock, int level, int optname,
 				char __user *optval, unsigned int optlen)
 {
-	if (optname == SO_ATTACH_FILTER)
+	if (optname == SO_ATTACH_FILTER ||
+	    optname == SO_ATTACH_REUSEPORT_CBPF)
 		return do_set_attach_filter(sock, level, optname,
 					    optval, optlen);
 	if (optname == SO_RCVTIMEO || optname == SO_SNDTIMEO)

Re: [PATCH v2] soreuseport: add compat case for setsockopt SO_ATTACH_REUSEPORT_CBPF

From: Daniel Borkmann <daniel@iogearbox.net>
Date: 2016-06-03 22:20:09

On 06/03/2016 11:49 PM, Helge Deller wrote:
Commit 538950a1b752 ("soreuseport: setsockopt SO_ATTACH_REUSEPORT_[CE]BPF")
missed to add the compat case for the SO_ATTACH_REUSEPORT_CBPF option.

Signed-off-by: Helge Deller <deller@gmx.de>
LGTM, thanks!

Acked-by: Daniel Borkmann <daniel@iogearbox.net>

[ Cc Willem: I believe we also need something similar for PACKET_FANOUT_DATA
   when PACKET_FANOUT_CBPF is requested since we have the same issue with the
   pointer in struct sock_fprog there, too. ]
quoted hunk
diff --git a/net/compat.c b/net/compat.c
index 5cfd26a..1373947 100644
--- a/net/compat.c
+++ b/net/compat.c
@@ -354,7 +354,8 @@ static int do_set_sock_timeout(struct socket *sock, int level,
  static int compat_sock_setsockopt(struct socket *sock, int level, int optname,
  				char __user *optval, unsigned int optlen)
  {
-	if (optname == SO_ATTACH_FILTER)
+	if (optname == SO_ATTACH_FILTER ||
+	    optname == SO_ATTACH_REUSEPORT_CBPF)
  		return do_set_attach_filter(sock, level, optname,
  					    optval, optlen);
  	if (optname == SO_RCVTIMEO || optname == SO_SNDTIMEO)

Re: [PATCH v2] soreuseport: add compat case for setsockopt SO_ATTACH_REUSEPORT_CBPF

From: Willem de Bruijn <willemdebruijn.kernel@gmail.com>
Date: 2016-06-05 13:16:49

Acked-by: Daniel Borkmann <daniel@iogearbox.net>

[ Cc Willem: I believe we also need something similar for PACKET_FANOUT_DATA
  when PACKET_FANOUT_CBPF is requested since we have the same issue with the
  pointer in struct sock_fprog there, too. ]
Indeed. I'll send a patch in a few days (am traveling). Thanks for the
heads-up, Daniel.

(apologies if you also received an html version of this reply)

Re: [PATCH v2] soreuseport: add compat case for setsockopt SO_ATTACH_REUSEPORT_CBPF

From: David Miller <davem@davemloft.net>
Date: 2016-06-06 22:21:20

From: Helge Deller <deller@gmx.de>
Date: Fri, 3 Jun 2016 23:49:17 +0200
Commit 538950a1b752 ("soreuseport: setsockopt SO_ATTACH_REUSEPORT_[CE]BPF")
missed to add the compat case for the SO_ATTACH_REUSEPORT_CBPF option.

Signed-off-by: Helge Deller <deller@gmx.de>
Applied.
Keyboard shortcuts
hback out one level
jnext message in thread
kprevious message in thread
ldrill in
Escclose help / fold thread tree
?toggle this help