asan: null deref in coff_write_relocs

	* coffcode.h (coff_write_relocs): Don't deref NULL howto.

diff --git a/bfd/coffcode.h b/bfd/coffcode.h
index 36e07025c6a370b3c13ffc79f70985ae50257b3f..6de6ecdea39a1c95b19b30760788f5a107aef759 100644 (file)
--- a/bfd/coffcode.h
+++ b/bfd/coffcode.h
@@ -2690,9 +2690,11 @@ coff_write_relocs (bfd * abfd, int first_undef)
 
 #ifdef SELECT_RELOC
          /* Work out reloc type from what is required.  */
-         SELECT_RELOC (n, q->howto);
+         if (q->howto)
+           SELECT_RELOC (n, q->howto);
 #else
-         n.r_type = q->howto->type;
+         if (q->howto)
+           n.r_type = q->howto->type;
 #endif
          coff_swap_reloc_out (abfd, &n, &dst);