netdev - Re: [PATCH net] bpf: enforce correct alignment for instructions

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Message-ID: <e1aec35e-957d-c38d-0bc5-d39c20773136@gmail.com>
Date:   Wed, 20 Jun 2018 21:08:25 -0700
From:   Eric Dumazet <eric.dumazet@...il.com>
To:     David Miller <davem@...emloft.net>, edumazet@...gle.com
Cc:     netdev@...r.kernel.org, eric.dumazet@...il.com,
        daniel@...earbox.net, kafai@...com, ast@...nel.org
Subject: Re: [PATCH net] bpf: enforce correct alignment for instructions



On 06/20/2018 08:46 PM, David Miller wrote:
> From: Eric Dumazet <edumazet@...gle.com>
> Date: Wed, 20 Jun 2018 17:24:09 -0700
> 
>> After commit 9facc336876f ("bpf: reject any prog that failed read-only lock")
>> offsetof(struct bpf_binary_header, image) became 3 instead of 4,
>> breaking powerpc BPF badly, since instructions need to be word aligned.
>>
>> Fixes: 9facc336876f ("bpf: reject any prog that failed read-only lock")
>> Signed-off-by: Eric Dumazet <edumazet@...gle.com>
> 
> I'll apply this directly, thanks Eric.
> 

Thanks David :)