From: marxin <marxin@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Mon, 17 Sep 2018 10:19:02 +0000 (+0000)
Subject: Fix out-of-bounds in gcov.c (PR gcov-profile/85871).
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d6412a7e9894f52b3647c65b45a221840672211a;p=thirdparty%2Fgcc.git

Fix out-of-bounds in gcov.c (PR gcov-profile/85871).

2018-09-17  Martin Liska  <mliska@suse.cz>

	PR gcov-profile/85871
	* gcov.c (output_intermediate_file): Fix out of bounds
	access.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@264363 138bc75d-0d04-0410-961f-82ee72b054a4
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 44700f532425..3b6af9ed4855 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2018-09-17  Martin Liska  <mliska@suse.cz>
+
+	PR gcov-profile/85871
+	* gcov.c (output_intermediate_file): Fix out of bounds
+	access.
+
 2018-09-17  Vineet Gupta  <vgupta@synopsys.com>
 
 	* config/arc/arc.c: Object attributes for core4 not reflected
diff --git a/gcc/gcov.c b/gcc/gcov.c
index 64ab85c981fe..c09d50600538 100644
--- a/gcc/gcov.c
+++ b/gcc/gcov.c
@@ -1097,7 +1097,8 @@ output_intermediate_file (FILE *gcov_file, source_info *src)
 	}
 
       /* Follow with lines associated with the source file.  */
-      output_intermediate_line (gcov_file, &src->lines[line_num], line_num);
+      if (line_num < src->lines.size ())
+	output_intermediate_line (gcov_file, &src->lines[line_num], line_num);
     }
 }