From: Alan Modra <amodra@gmail.com>
Date: Wed, 28 May 2025 05:42:39 +0000 (+0930)
Subject: PR 33021, buffer overflow in write_dwarf_eh_frame_hdr
X-Git-Tag: binutils-2_45~477
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=5d4465be2b2acacb5e56064c2ffcd329a3f31b58;p=thirdparty%2Fbinutils-gdb.git

PR 33021, buffer overflow in write_dwarf_eh_frame_hdr

	* elf-eh-frame.c (write_dwarf_eh_frame_hdr): Use size of
	contents, not section size, in bfd_set_section_contents call.
---

diff --git a/bfd/elf-eh-frame.c b/bfd/elf-eh-frame.c
index 78b3ecb5a7d..0250a8f8d11 100644
--- a/bfd/elf-eh-frame.c
+++ b/bfd/elf-eh-frame.c
@@ -2506,7 +2506,7 @@ write_dwarf_eh_frame_hdr (bfd *abfd, struct bfd_link_info *info)
   /* FIXME: octets_per_byte.  */
   if (!bfd_set_section_contents (abfd, sec->output_section, contents,
 				 (file_ptr) sec->output_offset,
-				 sec->size))
+				 size))
     retval = false;
  out:
   free (contents);