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Date:   Wed, 25 Jan 2017 00:34:04 +0800
From:   Xin Long <lucien.xin@...il.com>
To:     Colin King <colin.king@...onical.com>
Cc:     Vlad Yasevich <vyasevich@...il.com>,
        Neil Horman <nhorman@...driver.com>,
        "David S . Miller" <davem@...emloft.net>,
        linux-sctp@...r.kernel.org, network dev <netdev@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH][V3][net-next] net: sctp: fix array overrun read on sctp_timer_tbl

On Tue, Jan 24, 2017 at 5:25 PM, Colin King <colin.king@...onical.com> wrote:
> From: Colin Ian King <colin.king@...onical.com>
>
> Table sctp_timer_tbl is missing a TIMEOUT_RECONF string so
> add this in. Also compare timeout with the size of the array
> sctp_timer_tbl rather than SCTP_EVENT_TIMEOUT_MAX.  Also add
> a build time check that SCTP_EVENT_TIMEOUT_MAX is correct
> so we don't ever get this kind of mismatch between the table
> and SCTP_EVENT_TIMEOUT_MAX in the future.
>
> Kudos to Marcelo Ricardo Leitner for spotting the missing string
> and suggesting the build time sanity check.
>
> Fixes CoverityScan CID#1397639 ("Out-of-bounds read")
>
> Fixes: 7b9438de0cd4 ("sctp: add stream reconf timer")
> Signed-off-by: Colin Ian King <colin.king@...onical.com>
Reviewed-by: Xin Long <lucien.xin@...il.com>

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