Fix an illegal memory access triggered by disassembling corrupt s390x binaries.

	PR 28304
	* elfxx-score7.c (score_elf_gprel15_reloc): If there is no output bfd
	treat the reloc as undefined.

diff --git a/bfd/elf32-score7.c b/bfd/elf32-score7.c
index a6960c02c50afb304b35703b09e161adc97928d6..43cf5cb70cded84bf9db4d7523c309dcabdfe4ed 100644 (file)
--- a/bfd/elf32-score7.c
+++ b/bfd/elf32-score7.c
@@ -441,6 +441,8 @@ score_elf_gprel15_reloc (bfd *abfd,
     {
       relocateable = false;
       output_bfd = symbol->section->output_section->owner;
+      if (output_bfd == NULL)
+       return bfd_reloc_undefined;
     }
 
   ret = score_elf_final_gp (output_bfd, symbol, relocateable, error_message, &gp);
@@ -448,7 +450,7 @@ score_elf_gprel15_reloc (bfd *abfd,
     return ret;
 
   return score_elf_gprel15_with_gp (abfd, symbol, reloc_entry,
-                                        input_section, relocateable, data, gp);
+                                   input_section, relocateable, data, gp);
 }
 
 /* Do a R_SCORE_GPREL32 relocation.  This is a 32 bit value which must