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34 lines
1.0 KiB
34 lines
1.0 KiB
11 months ago
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From 169d4dd39aeeb9108810e95b6eb176b50701ff7e Mon Sep 17 00:00:00 2001
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From: Phil Sutter <phil@nwl.cc>
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Date: Thu, 1 Dec 2022 13:09:48 +0100
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Subject: [PATCH] nft: Fix for comparing ifname matches against nft-generated
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ones
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Since nft adds the interface name as fixed-size string of 16 bytes,
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filling a mask based on the length value will not match the mask nft
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set.
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Fixes: 652b98e793711 ("xtables-compat: fix wildcard detection")
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Signed-off-by: Phil Sutter <phil@nwl.cc>
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(cherry picked from commit f200aca7ff7b6a0edbe9024f0543b3f58111c50e)
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---
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iptables/nft-shared.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/iptables/nft-shared.c b/iptables/nft-shared.c
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index 075ad620250dc..14b04b24085a0 100644
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--- a/iptables/nft-shared.c
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+++ b/iptables/nft-shared.c
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@@ -243,7 +243,7 @@ static void parse_ifname(const char *name, unsigned int len, char *dst, unsigned
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memcpy(dst, name, len);
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if (name[len - 1] == '\0') {
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if (mask)
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- memset(mask, 0xff, len);
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+ memset(mask, 0xff, strlen(name) + 1);
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return;
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}
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--
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2.40.0
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