netdev - Re: [PATCH] tcp: tcp_make_synack() should use sock

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Date:	Fri, 30 Aug 2013 16:03:32 -0400 (EDT)
From:	David Miller <davem@...emloft.net>
To:	kernel@...uxace.com
Cc:	netdev@...r.kernel.org, netfilter-devel@...r.kernel.org,
	eric.dumazet@...il.com, pablo@...filter.org
Subject: Re: [PATCH] tcp: tcp_make_synack() should use sock_wmalloc

From: Phil Oester <kernel@...uxace.com>
Date: Tue, 27 Aug 2013 16:41:40 -0700

> In commit 90ba9b19 (tcp: tcp_make_synack() can use alloc_skb()), Eric changed
> the call to sock_wmalloc in tcp_make_synack to alloc_skb.  In doing so,
> the netfilter owner match lost its ability to block the SYNACK packet on
> outbound listening sockets.  Revert the change, restoring the owner match
> functionality.
> 
> This closes netfilter bugzilla #847.
> 
> Signed-off-by: Phil Oester <kernel@...uxace.com>

Applied and queued up for -stable, thanks.

Eric, I guess if you really want to get rid of the wmem atomics you
can just attach the socket and make a special destructor.  Maybe it
is not even worth it at that point however.
--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html