Segfault in _bfd_delete_bfd with USE_MMAP

Any of the calls to _bfd_delete_bfd in bfd_fopen will hit this.

	* opncls.c (_bfd_delete_bfd): Check for non-NULL xvec before
	accessing flavour.

diff --git a/bfd/opncls.c b/bfd/opncls.c
index 2f8a3a6c9191fd2cb6cc2975c83f3677e9c488fa..bc76696dfdbc497c29d44dca3383ce5f5c64f8ee 100644 (file)
--- a/bfd/opncls.c
+++ b/bfd/opncls.c
@@ -164,7 +164,8 @@ static void
 _bfd_delete_bfd (bfd *abfd)
 {
 #ifdef USE_MMAP
-  if (bfd_get_flavour (abfd) == bfd_target_elf_flavour)
+  if (abfd->xvec
+      && abfd->xvec->flavour == bfd_target_elf_flavour)
     {
       asection *sec;
       for (sec = abfd->sections; sec != NULL; sec = sec->next)