From e66bf564f8a9cdd6378b829915401f36e87351f6 Mon Sep 17 00:00:00 2001
From: Qualys Security Advisory <qsa@qualys.com>
Date: Thu, 1 Jan 1970 00:00:00 +0000
Subject: [PATCH] ps/output.c: Check return value of mmap() in init_output().

We decided not to check the return value of the mprotect() calls,
because they are not vital to the operation of ps.
---
 ps/output.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/ps/output.c b/ps/output.c
index 4456f282..01b87658 100644
--- a/ps/output.c
+++ b/ps/output.c
@@ -2169,6 +2169,9 @@ void init_output(void){
     -1,
     0
   );
+  if(outbuf == MAP_FAILED)
+    catastrophic_failure(__FILE__, __LINE__, _("please report this bug"));
+
   memset(outbuf, ' ', SPACE_AMOUNT);
   if(SPACE_AMOUNT==page_size) mprotect(outbuf, page_size, PROT_READ);
   mprotect(outbuf + page_size*outbuf_pages, page_size, PROT_NONE); // guard page