From: Petr Machata <pmachata@redhat.com>
Date: Tue, 1 Mar 2011 16:54:54 +0000 (+0100)
Subject: dwarflint: Check that the relocation is formed using a defined symbol
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=9da4db3e16599f3d4232264138b3f4fab93df37c;p=thirdparty%2Felfutils.git

dwarflint: Check that the relocation is formed using a defined symbol
---

diff --git a/dwarflint/reloc.cc b/dwarflint/reloc.cc
index 2de0ceca6..8edc78b2d 100644
--- a/dwarflint/reloc.cc
+++ b/dwarflint/reloc.cc
@@ -161,6 +161,14 @@ do_one_relocation (elf_file const *file,
      would be possible to use dwfl, which already does XINDEX
      translation.  */
 
+  if (section_index == 0)
+    {
+	wr_error (reloc_where)
+	  << "relocation refers to an undefined symbol."
+	  << std::endl;
+	return;
+    }
+
   // Valid in the sense that it can be used as an index to file->sec
   bool section_index_valid = section_index < file->size;