Fix an access through a null pointer when parsing a corrupt SOM format fle.

	PR 27793
	* som.c (som_slurp_symbol_table): Assign symbols without any scope
	to the undefined section.
	(som_decode_symclass): Check for a missing symbol section.
	* syms.c (bfd_decode_symclass): Likewise.

1 files changed, 4 insertions, 0 deletions

diff --git a/bfd/syms.c b/bfd/syms.c
index e0ab167..7daf741 100644
--- a/bfd/syms.c
+++ b/bfd/syms.c
@@ -654,6 +654,10 @@ bfd_decode_symclass (asymbol *symbol)
 {
   char c;
 
+  /* Paranoia...  */
+  if (symbol == NULL || symbol->section == NULL)
+    return '?';
+
   if (symbol->section && bfd_is_com_section (symbol->section))
     {
       if (symbol->section->flags & SEC_SMALL_DATA)