Invalid read in _bfd_elf_get_symbol_version_string

[Alan Modra]

	PR 20304
	* objdump.c (objdump_print_symname): Don't attempt to retrieve
	version info from synthetic symbols.

diff --git a/binutils/objdump.c b/binutils/objdump.c
index 174596e..bf9c592 100644
--- a/binutils/objdump.c
+++ b/binutils/objdump.c
@@ -823,7 +823,8 @@ objdump_print_symname (bfd *abfd, struct disassemble_info *inf,
 	name = alloc;
     }
 
-  version_string = bfd_get_symbol_version_string (abfd, sym, &hidden);
+  if ((sym->flags & BSF_SYNTHETIC) == 0)
+    version_string = bfd_get_symbol_version_string (abfd, sym, &hidden);
 
   if (bfd_is_und_section (bfd_get_section (sym)))
     hidden = TRUE;

-- 
Alan Modra
Australia Development Lab, IBM