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-rw-r--r--lib/connect.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/lib/connect.c b/lib/connect.c
index 002535b42..4a1f2c640 100644
--- a/lib/connect.c
+++ b/lib/connect.c
@@ -368,6 +368,11 @@ static CURLcode bindlocal(struct connectdata *conn,
infof(data, "Name '%s' family %i resolved to '%s' family %i\n",
dev, af, myhost, h->addr->ai_family);
Curl_resolv_unlock(data, h);
+ if(af != h->addr->ai_family) {
+ /* bad IP version combo, signal the caller to try another address
+ family if available */
+ return CURLE_UNSUPPORTED_PROTOCOL;
+ }
done = 1;
}
else {