Check corrupt VTENTRY entry in bfd_elf_gc_record_vtentry

[deliverable/binutils-gdb.git] / bfd / elflink.c

diff --git a/bfd/elflink.c b/bfd/elflink.c
index 8aae9808a1d2889ac9e7921252dbe525bc5eb9a3..81e667dab0cd7c223cb55c30a0f90900a8b604ca 100644 (file)
--- a/bfd/elflink.c
+++ b/bfd/elflink.c
@@ -13727,14 +13727,22 @@ bfd_elf_gc_record_vtinherit (bfd *abfd,
 /* Called from check_relocs to record the existence of a VTENTRY reloc.  */
 
 bfd_boolean
-bfd_elf_gc_record_vtentry (bfd *abfd ATTRIBUTE_UNUSED,
-                          asection *sec ATTRIBUTE_UNUSED,
+bfd_elf_gc_record_vtentry (bfd *abfd, asection *sec,
                           struct elf_link_hash_entry *h,
                           bfd_vma addend)
 {
   const struct elf_backend_data *bed = get_elf_backend_data (abfd);
   unsigned int log_file_align = bed->s->log_file_align;
 
+  if (!h)
+    {
+      /* xgettext:c-format */
+      _bfd_error_handler (_("%pB: section '%pA': corrupt VTENTRY entry"),
+                         abfd, sec);
+      bfd_set_error (bfd_error_bad_value);
+      return FALSE;
+    }
+
   if (!h->u2.vtable)
     {
       h->u2.vtable = ((struct elf_link_virtual_table_entry *)