From 06447d0b384beb3f261c9cf4d8b45f704ed95171 Mon Sep 17 00:00:00 2001
From: Sarosh Arif <sarosh.arif@gitlab.com>
Date: Tue, 23 Aug 2022 15:46:55 +0500
Subject: [PATCH] ff_syscall_wrapper.c: in ff_recvfrom() in case of zero
 *fromlen, *from will not be filled with garbadge values

---
 lib/ff_syscall_wrapper.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/ff_syscall_wrapper.c b/lib/ff_syscall_wrapper.c
index d42a3ca01..2abebb24e 100644
--- a/lib/ff_syscall_wrapper.c
+++ b/lib/ff_syscall_wrapper.c
@@ -896,7 +896,7 @@ ff_recvfrom(int s, void *buf, size_t len, int flags,
     if (fromlen != NULL)
         *fromlen = msg.msg_namelen;
 
-    if (from)
+    if (from && msg.msg_namelen != 0)
         freebsd2linux_sockaddr(from, (struct sockaddr *)&bsdaddr);
 
     return (rc);