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-rw-r--r--iptables/nft-shared.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/iptables/nft-shared.c b/iptables/nft-shared.c
index 492e4ec1..7b8ca5e4 100644
--- a/iptables/nft-shared.c
+++ b/iptables/nft-shared.c
@@ -249,7 +249,7 @@ static void parse_ifname(const char *name, unsigned int len, char *dst, unsigned
return;
dst[len++] = 0;
if (mask)
- memset(mask, 0xff, len + 1);
+ memset(mask, 0xff, len - 2);
}
int parse_meta(struct nftnl_expr *e, uint8_t key, char *iniface,