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* [iptables PATCH] extensions: NAT: Fix for -Werror=format-security
@ 2023-01-12 14:03 Phil Sutter
  2023-01-12 14:18 ` Phil Sutter
  0 siblings, 1 reply; 2+ messages in thread
From: Phil Sutter @ 2023-01-12 14:03 UTC (permalink / raw)
  To: netfilter-devel

Have to pass either a string literal or format string to xt_xlate_add().

Fixes: f30c5edce0413 ("extensions: Merge SNAT, DNAT, REDIRECT and MASQUERADE")
Signed-off-by: Phil Sutter <phil@nwl.cc>
---
 extensions/libxt_NAT.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/extensions/libxt_NAT.c b/extensions/libxt_NAT.c
index da9f22012c5d6..2a6343986d54f 100644
--- a/extensions/libxt_NAT.c
+++ b/extensions/libxt_NAT.c
@@ -424,7 +424,7 @@ __NAT_xlate(struct xt_xlate *xl, const struct nf_nat_range2 *r,
 	if (r->flags & NF_NAT_RANGE_PROTO_OFFSET)
 		return 0;
 
-	xt_xlate_add(xl, tgt);
+	xt_xlate_add(xl, "%s", tgt);
 	if (strlen(range_str))
 		xt_xlate_add(xl, " to %s", range_str);
 	if (r->flags & NF_NAT_RANGE_PROTO_RANDOM) {
-- 
2.38.0


^ permalink raw reply related	[flat|nested] 2+ messages in thread

* Re: [iptables PATCH] extensions: NAT: Fix for -Werror=format-security
  2023-01-12 14:03 [iptables PATCH] extensions: NAT: Fix for -Werror=format-security Phil Sutter
@ 2023-01-12 14:18 ` Phil Sutter
  0 siblings, 0 replies; 2+ messages in thread
From: Phil Sutter @ 2023-01-12 14:18 UTC (permalink / raw)
  To: netfilter-devel

On Thu, Jan 12, 2023 at 03:03:03PM +0100, Phil Sutter wrote:
> Have to pass either a string literal or format string to xt_xlate_add().
> 
> Fixes: f30c5edce0413 ("extensions: Merge SNAT, DNAT, REDIRECT and MASQUERADE")
> Signed-off-by: Phil Sutter <phil@nwl.cc>

Patch applied.

^ permalink raw reply	[flat|nested] 2+ messages in thread

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