From c4015677fec20aae0f0178648bb955ca4c897b0b Mon Sep 17 00:00:00 2001
From: Ben Gamari <ben@smart-cactus.org>
Date: Sun, 8 Sep 2019 09:08:26 -0400
Subject: [PATCH] stub: Avoid strcpy overflow
---
stub/cbits/stub.cpp | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/stub/cbits/stub.cpp b/stub/cbits/stub.cpp
index 1decbd7f..649e9d9d 100644
--- a/stub/cbits/stub.cpp
+++ b/stub/cbits/stub.cpp
@@ -509,7 +509,7 @@ void serve(void) {
local.sun_family = AF_UNIX;
const char* sock = getenv("GHC_DEBUG_SOCKET");
if (sock == NULL){ sock = "/tmp/ghc-debug"; }
- strcpy(local.sun_path, sock);
+ strncpy(local.sun_path, sock, sizeof(local.sun_path));
unlink(local.sun_path);
if (bind(s, (struct sockaddr *) &local, sizeof(local)) != 0) {
barf("bind failed");
--
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