From: David Miller <davem@davemloft.net>
To: ast@fb.com
Cc: daniel@iogearbox.net, netdev@vger.kernel.org
Subject: Re: [PATCH net] bpf/verifier: reject invalid LD_ABS | BPF_DW instruction
Date: Thu, 14 Apr 2016 01:32:35 -0400 (EDT) [thread overview]
Message-ID: <20160414.013235.548560317273289663.davem@davemloft.net> (raw)
In-Reply-To: <1460481979-1771165-1-git-send-email-ast@fb.com>
From: Alexei Starovoitov <ast@fb.com>
Date: Tue, 12 Apr 2016 10:26:19 -0700
> verifier must check for reserved size bits in instruction opcode and
> reject BPF_LD | BPF_ABS | BPF_DW and BPF_LD | BPF_IND | BPF_DW instructions,
> otherwise interpreter will WARN_RATELIMIT on them during execution.
>
> Fixes: ddd872bc3098 ("bpf: verifier: add checks for BPF_ABS | BPF_IND instructions")
> Signed-off-by: Alexei Starovoitov <ast@kernel.org>
> Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Applied and queued up for -stable, thanks.
prev parent reply other threads:[~2016-04-14 5:32 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-04-12 17:26 [PATCH net] bpf/verifier: reject invalid LD_ABS | BPF_DW instruction Alexei Starovoitov
2016-04-14 5:32 ` David Miller [this message]
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