From: Pablo Neira Ayuso <pablo@netfilter.org>
Date: Fri, 30 Nov 2007 13:03:52 +0000 (+1100)
Subject: [TEXTSEARCH]: Do not allow zero length patterns in the textsearch infrastructure
X-Git-Tag: v2.6.24-rc4~8^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e03ba84adb62fbc6049325a5bc00ef6932fa5e39;p=pandora-kernel.git

[TEXTSEARCH]: Do not allow zero length patterns in the textsearch infrastructure

If a zero length pattern is passed then return EINVAL.
Avoids infinite loops (bm) or invalid memory accesses (kmp).

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
---

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