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Date:   Wed, 06 May 2020 14:18:09 -0700 (PDT)
From:   David Miller <>
Subject: Re: [PATCH 1/2 net] net: mvpp2: prevent buffer overflow in

From: Dan Carpenter <>
Date: Wed, 6 May 2020 13:16:22 +0300

> The "rss_context" variable comes from the user via  ethtool_get_rxfh().
> It can be any u32 value except zero.  Eventually it gets passed to
> mvpp22_rss_ctx() and if it is over MVPP22_N_RSS_TABLES (8) then it
> results in an array overflow.
> Fixes: 895586d5dc32 ("net: mvpp2: cls: Use RSS contexts to handle RSS tables")
> Signed-off-by: Dan Carpenter <>


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