From 44820cc7eabcbf9e83de942a2f3bd2fa35c40c7b Mon Sep 17 00:00:00 2001
From: Remi Rampin <remi@rampin.org>
Date: Mon, 28 Aug 2023 18:40:44 -0400
Subject: [PATCH] Don't read past the end of sockaddr for AF_UNIX

Incoming connections for example have the 'family' set but no path.
---
 reprozip/native/syscalls.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/reprozip/native/syscalls.c b/reprozip/native/syscalls.c
index 08b65a2e..56fb2b5f 100644
--- a/reprozip/native/syscalls.c
+++ b/reprozip/native/syscalls.c
@@ -91,7 +91,7 @@ static int record_connection(struct Process *process, int inbound,
         snprintf(buffer, 512, "[%s]:%d", buf, ntohs(address_->sin6_port));
         db_add_connection(process->identifier, inbound, "INET6", NULL, buffer);
     }
-    else if(family == AF_UNIX)
+    else if(family == AF_UNIX && addrlen > sizeof(short))
     {
         struct sockaddr_un *address_ = address;
         char buf[109];