From: Thomas Graf <tgraf@suug.ch>
To: Alexei Starovoitov <ast@fb.com>
Cc: "David S . Miller" <davem@davemloft.net>,
Daniel Borkmann <daniel@iogearbox.net>,
Josef Bacik <jbacik@fb.com>,
netdev@vger.kernel.org
Subject: Re: [PATCH net-next] bpf: fix state equivalence
Date: Wed, 7 Dec 2016 20:47:07 +0100 [thread overview]
Message-ID: <20161207194707.GA22108@pox.localdomain> (raw)
In-Reply-To: <1481137079-2205635-1-git-send-email-ast@fb.com>
On 12/07/16 at 10:57am, Alexei Starovoitov wrote:
> Commmits 57a09bf0a416 ("bpf: Detect identical PTR_TO_MAP_VALUE_OR_NULL registers")
> and 484611357c19 ("bpf: allow access into map value arrays") by themselves
> are correct, but in combination they make state equivalence ignore 'id' field
> of the register state which can lead to accepting invalid program.
>
> Fixes: 57a09bf0a416 ("bpf: Detect identical PTR_TO_MAP_VALUE_OR_NULL registers")
> Fixes: 484611357c19 ("bpf: allow access into map value arrays")
> Signed-off-by: Alexei Starovoitov <ast@kernel.org>
> Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Thomas Graf <tgraf@suug.ch>
next prev parent reply other threads:[~2016-12-07 19:47 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-12-07 18:57 [PATCH net-next] bpf: fix state equivalence Alexei Starovoitov
2016-12-07 19:47 ` Thomas Graf [this message]
2016-12-08 18:31 ` David Miller
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