From: Nick Clifton <nickc@redhat.com>
Date: Mon, 9 Oct 2023 16:13:25 +0000 (+0100)
Subject: Fix: A potential null_pointer_deference bug
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=ee1cb49e5a9de8049d887abd8c9f2eff1851147e;p=binutils-gdb.git

Fix: A potential null_pointer_deference bug

  PR 30954
  * ldlang.c (map_input_to_output_sections): Check that os is non NULL before using it.
---

diff --git a/ld/ChangeLog b/ld/ChangeLog
index 021a9f9b663..8423dd4ac29 100644
--- a/ld/ChangeLog
+++ b/ld/ChangeLog
@@ -1,3 +1,9 @@
+2023-10-09  Nick Clifton  <nickc@redhat.com>
+
+	PR 30954
+	* ldlang.c (map_input_to_output_sections): Check that os is non
+	NULL before using it.
+
 2023-10-05  A. Wilcox  <awilfox@adelielinux.org>
 
 	PR 30905
diff --git a/ld/ldlang.c b/ld/ldlang.c
index b40b4a5a0ed..c20247a27d0 100644
--- a/ld/ldlang.c
+++ b/ld/ldlang.c
@@ -4198,6 +4198,9 @@ map_input_to_output_sections
 					os);
 	  break;
 	case lang_data_statement_enum:
+	  if (os == NULL)
+	    /* This should never happen.  */
+	    FAIL ();
 	  /* Make sure that any sections mentioned in the expression
 	     are initialized.  */
 	  exp_init_os (s->data_statement.exp);