From: Phil Oester <kernel@linuxace.com> Date: Mon, 14 Aug 2006 01:05:35 +0000 (-0700) Subject: [NETFILTER]: xt_string: fix negation X-Git-Tag: firefly_0821_release~33895 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=97c802a113989800430a981b6f36b14c62163d37;p=firefly-linux-kernel-4.4.55.git [NETFILTER]: xt_string: fix negation The xt_string match is broken with ! negation. This resolves a portion of netfilter bugzilla #497. Signed-off-by: Phil Oester <kernel@linuxace.com> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net> --- diff --git a/net/netfilter/xt_string.c b/net/netfilter/xt_string.c index d8e3891b5f8b..275330fcdaaa 100644 --- a/net/netfilter/xt_string.c +++ b/net/netfilter/xt_string.c @@ -37,7 +37,7 @@ static int match(const struct sk_buff *skb, return (skb_find_text((struct sk_buff *)skb, conf->from_offset, conf->to_offset, conf->config, &state) - != UINT_MAX) && !conf->invert; + != UINT_MAX) ^ conf->invert; } #define STRING_TEXT_PRIV(m) ((struct xt_string_info *) m)