From d05d841321b6889b035327caa71f10084130ca4a Mon Sep 17 00:00:00 2001
From: Vsevolod Stakhov <vsevolod@highsecure.ru>
Date: Thu, 17 Sep 2020 23:26:05 +0100
Subject: [PATCH] [Fix] Mmap return value must be checked versus MAP_FAILED

Issue: #3459
---
 contrib/lua-lpeg/lpvm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/contrib/lua-lpeg/lpvm.c b/contrib/lua-lpeg/lpvm.c
index 3e67fcaf0..7ee8b695a 100644
--- a/contrib/lua-lpeg/lpvm.c
+++ b/contrib/lua-lpeg/lpvm.c
@@ -73,7 +73,7 @@ lpeg_allocate_mem_low (size_t sz)
 
 	cp = mmap (base_addr, sz + sizeof (sz), PROT_WRITE | PROT_READ,
 			flags, -1, 0);
-	assert (cp != NULL);
+	assert (cp != MAP_FAILED);
 	memcpy (cp, &sz, sizeof (sz));
 
 	for (unsigned i = 0; i < MAX_PIECES; i ++) {
-- 
2.39.5