Fix seg-fault when trying to place non-ELF orphan sections.

	PR 21884
	* emultempl/elf32.em (_place_orphan): Skip non-ELF binaries when
	looking for sections to merge.

diff --git a/ld/ChangeLog b/ld/ChangeLog
index 3c918e6..9acf64e 100644 (file)
--- a/ld/ChangeLog
+++ b/ld/ChangeLog
@@ -1,3 +1,9 @@
+2017-08-02  Nick Clifton  <nickc@redhat.com>
+
+       PR 21884
+       * emultempl/elf32.em (_place_orphan): Skip non-ELF binaries when
+       looking for sections to merge.
+
 2017-07-31  Alan Modra  <amodra@gmail.com>
 
        * ld.texinfo (plt-localentry): Revise.

diff --git a/ld/emultempl/elf32.em b/ld/emultempl/elf32.em
index d2551b6..8cdcc6c 100644 (file)
--- a/ld/emultempl/elf32.em
+++ b/ld/emultempl/elf32.em
@@ -2150,6 +2150,8 @@ gld${EMULATION_NAME}_place_orphan (asection *s,
           one of them has SHF_EXCLUDE.  Don't merge 2 sections with
           different sh_info.  */
        if (os->bfd_section != NULL
+           /* PR 21884: Don't merge non-ELF sections.  */
+           && bfd_get_flavour (os->bfd_section->owner) == bfd_target_elf_flavour
            && (elf_section_data (os->bfd_section)->this_hdr.sh_info
                == elf_section_data (s)->this_hdr.sh_info)
            && (os->bfd_section->flags == 0