From f66d30a6e5b9287f9edaa93e9f04db1fd44a06ce Mon Sep 17 00:00:00 2001
From: Alan Modra <amodra@gmail.com>
Date: Thu, 2 Jun 2022 16:31:42 +0930
Subject: [PATCH] asan: null deref in coff_write_relocs

	* coffcode.h (coff_write_relocs): Don't deref NULL howto.
---
 bfd/coffcode.h | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/bfd/coffcode.h b/bfd/coffcode.h
index 36e07025c6a..6de6ecdea39 100644
--- 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);
 
-- 
2.30.2