--- binutils.orig/bfd/elf64-s390.c	2017-09-06 09:03:23.142216202 +0100

+++ binutils-2.27/bfd/elf64-s390.c	2017-09-06 09:11:05.209080947 +0100

@@ -3895,8 +3895,13 @@ elf_s390_additional_program_headers (bfd

 {

   struct elf_s390_link_hash_table *htab;

-  htab = elf_s390_hash_table (info);

-  return htab->params->pgste;

+  if (info)

+    {

+      htab = elf_s390_hash_table (info);

+      if (htab)

+	return htab->params->pgste;

+    }

+  return 0;

 }

@@ -3909,6 +3914,9 @@ elf_s390_modify_segment_map (bfd *abfd A

   struct elf_s390_link_hash_table *htab;

   struct elf_segment_map *m, *pm = NULL;

+  if (!abfd || !info)

+    return TRUE;

+

   htab = elf_s390_hash_table (info);

   if (!htab->params->pgste)

     return TRUE;

@@ -3944,8 +3952,12 @@ bfd_elf_s390_set_options (struct bfd_lin

 {

   struct elf_s390_link_hash_table *htab;

-  htab = elf_s390_hash_table (info);

-  htab->params = params;

+  if (info)

+    {

+      htab = elf_s390_hash_table (info);

+      if (htab)

+	htab->params = params;

+    }

   return TRUE;

 }