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From: Thomas Monjalon <thomas@monjalon.net>
To: Vladimir Medvedkin <vladimir.medvedkin@intel.com>
Cc: dev@dpdk.org, stable@dpdk.org
Subject: Re: [dpdk-dev] [dpdk-stable] [PATCH v2] fib: fix possible integer overflow
Date: Thu, 06 Feb 2020 16:15:08 +0100	[thread overview]
Message-ID: <12449795.y0N7aAr316@xps> (raw)
In-Reply-To: <1579619229-75215-1-git-send-email-vladimir.medvedkin@intel.com>

21/01/2020 16:07, Vladimir Medvedkin:
> This commit fixes possible integer overflow for
> prev_idx in build_common_root() CID 350596
> and
> tbl8_idx in write_edge() CID 350597
> 
> Unintentional integer overflow (OVERFLOW_BEFORE_WIDEN)
> overflow_before_widen: Potentially overflowing expression tbl8_idx * 256
> with type int (32 bits, signed) is evaluated using 32-bit arithmetic,
> and then used in a context that expects an expression of
> type uint64_t (64 bits, unsigned).
> 
> Coverity issue: 350596, 350597
> Fixes: c3e12e0f0354 ("fib: add dataplane algorithm for IPv6")
> Cc: vladimir.medvedkin@intel.com
> Cc: stable@dpdk.org
> 
> Signed-off-by: Vladimir Medvedkin <vladimir.medvedkin@intel.com>

Applied, thanks




      reply	other threads:[~2020-02-06 15:15 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-01-14 17:18 [dpdk-dev] [PATCH] fib: fix possible integer overflow Vladimir Medvedkin
2020-01-20  0:31 ` [dpdk-dev] [dpdk-stable] " Thomas Monjalon
2020-01-21 15:07 ` [dpdk-dev] [PATCH v2] " Vladimir Medvedkin
2020-02-06 15:15   ` Thomas Monjalon [this message]

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