From: Pablo Neira Ayuso <pablo@netfilter.org>
To: Florian Westphal <fw@strlen.de>
Cc: netfilter-devel@vger.kernel.org
Subject: Re: [PATCH nftables 3/4] src: mnl: fix setting rcvbuffer size
Date: Tue, 13 Aug 2019 21:26:47 +0200 [thread overview]
Message-ID: <20190813192647.64i2e2ni3sk3hi2n@salvia> (raw)
In-Reply-To: <20190813184409.10757-4-fw@strlen.de>
On Tue, Aug 13, 2019 at 08:44:08PM +0200, Florian Westphal wrote:
> Kernel expects socklen_t (int).
> Using size_t causes kernel to read upper 0-bits.
>
> This caused tests/shell/testcases/transactions/0049huge_0
> to fail on s390x -- it uses 'echo' mode and will quickly
> overrun the tiny buffer size set due to this bug.
>
> Fixes: 89c82c261bb5 ("mnl: estimate receiver buffer size")
> Signed-off-by: Florian Westphal <fw@strlen.de>
Acked-by: Pablo Neira Ayuso <pablo@netfilter.org>
next prev parent reply other threads:[~2019-08-13 19:26 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-08-13 18:44 [PATCH nftables 0/4] un-break nftables on big-endian arches Florian Westphal
2019-08-13 18:44 ` [PATCH nftables 1/4] src: fix jumps on bigendian arches Florian Westphal
2019-08-13 19:20 ` Pablo Neira Ayuso
2019-08-13 19:34 ` Florian Westphal
2019-08-13 19:35 ` Pablo Neira Ayuso
2019-08-13 18:44 ` [PATCH nftables 2/4] src: parser: fix parsing of chain priority and policy on bigendian Florian Westphal
2019-08-13 19:26 ` Pablo Neira Ayuso
2019-08-13 18:44 ` [PATCH nftables 3/4] src: mnl: fix setting rcvbuffer size Florian Westphal
2019-08-13 19:26 ` Pablo Neira Ayuso [this message]
2019-08-13 18:44 ` [PATCH nftables 4/4] src: mnl: retry when we hit -ENOBUFS Florian Westphal
2019-08-13 19:34 ` Pablo Neira Ayuso
2019-08-13 19:36 ` Florian Westphal
2019-08-13 19:39 ` Pablo Neira Ayuso
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