From bdc6d550b0c49d0b131872fb71f1f40288a10147 Mon Sep 17 00:00:00 2001
From: Dmitry Vyukov <dvyukov@google.com>
Date: Sun, 8 Jan 2017 15:30:38 +0100
Subject: executor: use NONFAILING strcpy in syz_open_dev

The source is fuzzer provided memory, it can be non-addressable.
---
 csource/common.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'csource')

diff --git a/csource/common.go b/csource/common.go
index 5310ef0b5..a0b063e9d 100644
--- a/csource/common.go
+++ b/csource/common.go
@@ -259,7 +259,7 @@ static uintptr_t syz_open_dev(uintptr_t a0, uintptr_t a1, uintptr_t a2)
 	} else {
 		char buf[1024];
 		char* hash;
-		strncpy(buf, (char*)a0, sizeof(buf));
+		NONFAILING(strncpy(buf, (char*)a0, sizeof(buf)));
 		buf[sizeof(buf) - 1] = 0;
 		while ((hash = strchr(buf, '#'))) {
 			*hash = '0' + (char)(a1 % 10);
-- 
cgit mrf-deployment