From: Pablo Neira Ayuso <pablo@netfilter.org>
To: "John W. Linville" <linville@tuxdriver.com>
Cc: netfilter-devel@vger.kernel.org,
Patrick McHardy <kaber@trash.net>,
Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>,
"David S. Miller" <davem@davemloft.net>,
netdev@vger.kernel.org, Laura Garcia Liebana <nevola@gmail.com>,
Dan Carpenter <dan.carpenter@oracle.com>
Subject: Re: [PATCH v2] netfilter: fix type mismatch with error return from nft_parse_u32_check
Date: Thu, 27 Oct 2016 18:26:02 +0200 [thread overview]
Message-ID: <20161027162602.GA10225@salvia> (raw)
In-Reply-To: <1477425399-28480-1-git-send-email-linville@tuxdriver.com>
On Tue, Oct 25, 2016 at 03:56:39PM -0400, John W. Linville wrote:
> Commit 36b701fae12ac ("netfilter: nf_tables: validate maximum value of
> u32 netlink attributes") introduced nft_parse_u32_check with a return
> value of "unsigned int", yet on error it returns "-ERANGE".
>
> This patch corrects the mismatch by changing the return value to "int",
> which happens to match the actual users of nft_parse_u32_check already.
>
> Found by Coverity, CID 1373930.
>
> Note that commit 21a9e0f1568ea ("netfilter: nft_exthdr: fix error
> handling in nft_exthdr_init()) attempted to address the issue, but
> did not address the return type of nft_parse_u32_check.
Applied, thanks John.
prev parent reply other threads:[~2016-10-27 16:26 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-10-25 19:08 [PATCH] netfilter: fix type mismatch with error return from nft_parse_u32_check John W. Linville
2016-10-25 19:55 ` John W. Linville
2016-10-25 19:56 ` [PATCH v2] " John W. Linville
2016-10-27 16:26 ` Pablo Neira Ayuso [this message]
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