From: Alan Modra <amodra@gmail.com>
Date: Sun, 23 Apr 2017 04:25:49 +0000 (+0930)
Subject: PR 21409, segfault in _bfd_dwarf2_find_nearest_line
X-Git-Url: http://git.efficios.com/?a=commitdiff_plain;h=97e83a100aa8250be783304bfe0429761c6e6b6b;p=deliverable%2Fbinutils-gdb.git

PR 21409, segfault in _bfd_dwarf2_find_nearest_line

	PR 21409
	* dwarf2.c (_bfd_dwarf2_find_nearest_line): Don't segfault when
	no symbols.
---

diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index ba2d13474d..7a389b11e5 100644
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,3 +1,9 @@
+2017-04-23  Alan Modra  <amodra@gmail.com>
+
+	PR 21409
+	* dwarf2.c (_bfd_dwarf2_find_nearest_line): Don't segfault when
+	no symbols.
+
 2017-04-21  H.J. Lu  <hongjiu.lu@intel.com>
 
 	PR ld/21402
diff --git a/bfd/dwarf2.c b/bfd/dwarf2.c
index 132a67492a..0ef3e1fc53 100644
--- a/bfd/dwarf2.c
+++ b/bfd/dwarf2.c
@@ -4205,7 +4205,7 @@ _bfd_dwarf2_find_nearest_line (bfd *abfd,
          looking up the function by section + offset uses the
          DW_AT_decl_line from the function DW_TAG_subprogram for the line,
          which will be the line of the function name.  */
-      if ((section->flags & SEC_CODE) == 0)
+      if (symbols != NULL && (section->flags & SEC_CODE) == 0)
 	{
 	  asymbol **tmp;