From: Donald Sharp <sharpd@nvidia.com>
Date: Thu, 17 Feb 2022 19:07:57 +0000 (-0500)
Subject: lib: Fix possible usage of uninited data
X-Git-Tag: pim6-testing-20220430~302^2~3
X-Git-Url: https://git.puffer.fish/?a=commitdiff_plain;h=4d7aae38ab5f88421dea48a6f6541f86ce4cd954;p=matthieu%2Ffrr.git

lib: Fix possible usage of uninited data

assert when if_lookup_address is passed with
a family that is not AF_INET or AF_INET6 as
that we are dead in the water and this is a
dev escape

Signed-off-by: Donald Sharp <sharpd@nvidia.com>
---

diff --git a/lib/if.c b/lib/if.c
index a2918b6d74..83fa85ecc1 100644
--- a/lib/if.c
+++ b/lib/if.c
@@ -490,7 +490,8 @@ struct connected *if_lookup_address(const void *matchaddr, int family,
 		addr.family = AF_INET6;
 		addr.u.prefix6 = *((struct in6_addr *)matchaddr);
 		addr.prefixlen = IPV6_MAX_BITLEN;
-	}
+	} else
+		assert(!"Attempted lookup of family not supported");
 
 	match = NULL;