re PR other/86198 (Libbacktrace does not properly work with ".note.gnu.build-id" section)

libbacktrace/

2018-06-21 Denis Khalikov <d.khalikov@partner.samsung.com>

	PR other/86198
	* elf.c (elf_add): Increase ".note.gnu.build-id" section size
	checking up to 36 bytes.

From-SVN: r261832

libbacktrace/ChangeLog

+2018-06-21 Denis Khalikov <d.khalikov@partner.samsung.com>
+
+	PR other/86198
+	* elf.c (elf_add): Increase ".note.gnu.build-id" section size
+	checking up to 36 bytes.
+
 2018-04-24  H.J. Lu  <hongjiu.lu@intel.com>
 
 	* configure: Regenerated.

libbacktrace/elf.c

@@ -2868,7 +2868,7 @@ elf_add (struct backtrace_state *state, const char *filename, int descriptor,
 	  if (note->type == NT_GNU_BUILD_ID
 	      && note->namesz == 4
 	      && strncmp (note->name, "GNU", 4) == 0
-	      && shdr->sh_size < 12 + ((note->namesz + 3) & ~ 3) + note->descsz)
+	      && shdr->sh_size <= 12 + ((note->namesz + 3) & ~ 3) + note->descsz)
 	    {
 	      buildid_data = &note->name[0] + ((note->namesz + 3) & ~ 3);
 	      buildid_size = note->descsz;