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Date:   Wed, 22 Jul 2020 11:33:18 +0200
From:   Steffen Klassert <>
To:     Mark Salyzyn <>
CC:     <>, <>,
        <>, Herbert Xu <>,
        "David S. Miller" <>,
        Jakub Kicinski <>
Subject: Re: af_key: pfkey_dump needs parameter validation

On Tue, Jul 21, 2020 at 06:23:54AM -0700, Mark Salyzyn wrote:
> In pfkey_dump() dplen and splen can both be specified to access the
> xfrm_address_t structure out of bounds in__xfrm_state_filter_match()
> when it calls addr_match() with the indexes.  Return EINVAL if either
> are out of range.
> Signed-off-by: Mark Salyzyn <>
> Cc:
> Cc:
> Cc:
> ---
> Should be back ported to the stable queues because this is a out of
> bounds access.

Please do a v2 and add a proper 'Fixes' tag if this is a fix that
needs to be backported.


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