From: Patrick McHardy <kaber@trash.net>
Date: Sun, 9 Dec 2012 13:55:03 +0000 (+0100)
Subject: netlink: fix endless loop on 64 bit when parsing binops
X-Git-Tag: v0.099~147
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a64c860314779d95dc20834b5e8b314bfb9bac8e;p=thirdparty%2Fnftables.git

netlink: fix endless loop on 64 bit when parsing binops

mpz_scan1() returns ULONG_MAX when no more bits are found. Due to assignment
to an unsigned int, this value was truncated on 64 bit and the loop never
terminated.

Signed-off-by: Patrick McHardy <kaber@trash.net>
---

diff --git a/src/netlink_delinearize.c b/src/netlink_delinearize.c
index d0ab335b..4ecf4f57 100644
--- a/src/netlink_delinearize.c
+++ b/src/netlink_delinearize.c
@@ -555,7 +555,7 @@ static void expr_postprocess(struct rule_pp_ctx *ctx,
 			     struct stmt *stmt, struct expr **exprp)
 {
 	struct expr *expr = *exprp, *i;
-	unsigned int n;
+	unsigned long n;
 
 	//pr_debug("%s len %u\n", expr->ops->name, expr->len);