From: David Marchand <david.marchand@redhat.com>
To: Vladimir Medvedkin <vladimir.medvedkin@intel.com>
Cc: dev@dpdk.org, stable@dpdk.org
Subject: Re: [PATCH] fib: fix vector lookup
Date: Mon, 14 Oct 2024 19:01:22 +0200 [thread overview]
Message-ID: <CAJFAV8y=15ZGrzwdPjC1Ac4WFw5vfTfWc39FY0_Jp6HtfTy_+g@mail.gmail.com> (raw)
In-Reply-To: <20240906170436.1324677-1-vladimir.medvedkin@intel.com>
On Fri, Sep 6, 2024 at 7:04 PM Vladimir Medvedkin
<vladimir.medvedkin@intel.com> wrote:
>
> Vector lookup uses gather instructions which loads data in 4byte chunks.
> This could lead to out of bounds access at the end of the tbl24 in case
> of 1 or 2 byte entries if e.g. lookup is attempted for 255.255.255.255
> in IPv4 case.
> This patch fixes potential out of bound access by gather instruction
> allocating an extra 4 byte in the end of the tbl24.
>
> Fixes: 7dc7868b200d ("fib: add DIR24-8 dataplane algorithm")
> Fixes: c3e12e0f0354 ("fib: add dataplane algorithm for IPv6")
> Cc: stable@dpdk.org
>
> Signed-off-by: Vladimir Medvedkin <vladimir.medvedkin@intel.com>
Applied, thanks.
--
David Marchand
prev parent reply other threads:[~2024-10-14 17:01 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-09-06 17:04 Vladimir Medvedkin
2024-10-14 17:01 ` David Marchand [this message]
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