From: David Miller <davem@davemloft.net>
To: eric.dumazet@gmail.com
Cc: netdev@vger.kernel.org, nepenthesdev@gmail.com
Subject: Re: [PATCH] net: bpf_jit: fix an off-one bug in x86_64 cond jump target
Date: Mon, 19 Dec 2011 15:48:58 -0500 (EST) [thread overview]
Message-ID: <20111219.154858.115846786393903637.davem@davemloft.net> (raw)
In-Reply-To: <1324157948.3323.36.camel@edumazet-laptop>
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Sat, 17 Dec 2011 22:39:08 +0100
> From: Markus Kötter <nepenthesdev@gmail.com>
>
> x86 jump instruction size is 2 or 5 bytes (near/long jump), not 2 or 6
> bytes.
>
> In case a conditional jump is followed by a long jump, conditional jump
> target is one byte past the start of target instruction.
>
> Signed-off-by: Markus Kötter <nepenthesdev@gmail.com>
> Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Applied and queued up for -stable, thanks!
prev parent reply other threads:[~2011-12-19 20:49 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-12-17 21:39 [PATCH] net: bpf_jit: fix an off-one bug in x86_64 cond jump target Eric Dumazet
2011-12-19 20:48 ` David Miller [this message]
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