From 7e0d77ef5ffa7e47655db2a5df5082004f7c104e Mon Sep 17 00:00:00 2001
From: Nick Clifton <nickc@redhat.com>
Date: Thu, 14 Jan 2021 09:15:13 +0000
Subject: Fix an illegal memory access parsing a win32pstatus note with a type
 of 0.

	* elf.c (elfcore_grok_win32pstatus): Check for a note type of 0.
---
 bfd/elf.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

(limited to 'bfd/elf.c')

diff --git a/bfd/elf.c b/bfd/elf.c
index ab19bdb..84a5d94 100644
--- a/bfd/elf.c
+++ b/bfd/elf.c
@@ -10163,7 +10163,8 @@ elfcore_grok_win32pstatus (bfd *abfd, Elf_Internal_Note *note)
 
   type = bfd_get_32 (abfd, note->descdata);
 
-  struct {
+  struct
+  {
     const char *type_name;
     unsigned long min_size;
   } size_check[] =
@@ -10174,7 +10175,7 @@ elfcore_grok_win32pstatus (bfd *abfd, Elf_Internal_Note *note)
        { "NOTE_INFO_MODULE64", 16 },
       };
 
-  if (type > (sizeof(size_check)/sizeof(size_check[0])))
+  if (type == 0 || type > (sizeof(size_check)/sizeof(size_check[0])))
       return TRUE;
 
   if (note->descsz < size_check[type - 1].min_size)
-- 
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