From: Alan Modra <amodra@gmail.com>
Date: Thu, 26 Aug 2021 02:49:35 +0000 (+0930)
Subject: PR28264, ld.bfd crash on linking efivar with LTO
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=b05929a20efa7caa40415d2f069e44f7e76615e4;p=binutils-gdb.git

PR28264, ld.bfd crash on linking efivar with LTO

	PR 28264
	PR 26978
	* linker.c (_bfd_generic_link_add_one_symbol <MIND>): Check
	that string is non-NULL.
---

diff --git a/bfd/linker.c b/bfd/linker.c
index 755ff19923b..f8257ea11b4 100644
--- a/bfd/linker.c
+++ b/bfd/linker.c
@@ -1682,7 +1682,7 @@ _bfd_generic_link_add_one_symbol (struct bfd_link_info *info,
 	      cycle = true;
 	      break;
 	    }
-	  if (strcmp (h->u.i.link->root.string, string) == 0)
+	  if (string != NULL && strcmp (h->u.i.link->root.string, string) == 0)
 	    break;
 	  /* Fall through.  */
 	case MDEF: