Follow @Openwall on Twitter for new release announcements and other news
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-Id: <20120319.174241.1785009482969692029.davem@davemloft.net>
Date: Mon, 19 Mar 2012 17:42:41 -0400 (EDT)
From: David Miller <davem@...emloft.net>
To: eric.dumazet@...il.com
Cc: indan@....nu, wad@...omium.org, linux-kernel@...r.kernel.org,
        linux-arch@...r.kernel.org, linux-doc@...r.kernel.org,
        kernel-hardening@...ts.openwall.com, netdev@...r.kernel.org,
        x86@...nel.org, arnd@...db.de, hpa@...or.com, mingo@...hat.com,
        oleg@...hat.com, peterz@...radead.org, rdunlap@...otime.net,
        mcgrathr@...omium.org, tglx@...utronix.de, luto@....edu,
        eparis@...hat.com, serge.hallyn@...onical.com, djm@...drot.org,
        scarybeasts@...il.com, pmoore@...hat.com, akpm@...ux-foundation.org,
        corbet@....net, markus@...omium.org, coreyb@...ux.vnet.ibm.com,
        keescook@...omium.org, matt@...abs.org
Subject: Re: [PATCH] net: bpf_jit: fix BPF_S_LDX_B_MSH compilation

From: Eric Dumazet <eric.dumazet@...il.com>
Date: Sun, 18 Mar 2012 05:40:48 -0700

> [PATCH] net: bpf_jit: fix BPF_S_LDX_B_MSH compilation
> 
> Matt Evans spotted that x86 bpf_jit was incorrectly handling negative
> constant offsets in BPF_S_LDX_B_MSH instruction.
> 
> We need to abort JIT compilation like we do in common_load so that
> filter uses the interpreter code and can call __load_pointer()
> 
> Reference: http://lists.openwall.net/netdev/2011/07/19/11
> 
> Thanks to Indan Zupancic to bring back this issue.
> 
> Reported-by: Matt Evans <matt@...abs.org>
> Reported-by: Indan Zupancic <indan@....nu>
> Signed-off-by: Eric Dumazet <eric.dumazet@...il.com>

Applied and even though libpcap won't generate this I'll queue it up
to -stable anyways.

Powered by blists - more mailing lists

Confused about mailing lists and their use? Read about mailing lists on Wikipedia and check out these guidelines on proper formatting of your messages.