[binutils-gdb] add_archive_element(): Record pointer to my_archive for later use in the function

https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=0f9faaebc91bc1886a563bde6c178601b4be743b

commit 0f9faaebc91bc1886a563bde6c178601b4be743b
Author: Nick Clifton <[email protected]>
Date:   Mon Aug 17 09:51:30 2026 +0100

    add_archive_element(): Record pointer to my_archive for later use in the function

Diff:
---
 ld/ldmain.c | 18 ++++++++++++------
 1 file changed, 12 insertions(+), 6 deletions(-)

diff --git a/ld/ldmain.c b/ld/ldmain.c
index 77b167fd642..eb4043a9f88 100644
--- a/ld/ldmain.c
+++ b/ld/ldmain.c
@@ -1386,6 +1386,7 @@ add_archive_element (struct bfd_link_info *info,
   lang_input_statement_type *input;
   lang_input_statement_type *parent;
   lang_input_statement_type orig_input;
+  bfd * my_archive;
 
   input = stat_alloc (sizeof (*input));
   memset (input, 0, sizeof (*input));
@@ -1394,6 +1395,11 @@ add_archive_element (struct bfd_link_info *info,
   input->local_sym_name = bfd_get_filename (abfd);
   input->the_bfd = abfd;
 
+  /* If abfd is closed by plugin_maybe_claim() then accessing
+     abfd->my_archive could dereference freed memory, so keep a
+     copy of the my_archive pointer here.  */
+  my_archive = abfd->my_archive;
+
   /* Save the original data for trace files/tries below, as plugins
      (if enabled) may possibly alter it to point to a replacement
      BFD, but we still want to output the original BFD filename.  */
@@ -1439,7 +1445,7 @@ add_archive_element (struct bfd_link_info *info,
 
   /* Set the file_chain pointer of archives to the last element loaded
      from the archive.  See ldlang.c:find_rescan_insertion.  */
-  parent = bfd_usrdata (abfd->my_archive);
+  parent = bfd_usrdata (my_archive);
   if (parent != NULL && !parent->flags.reload)
     parent->next = input;
 
@@ -1490,17 +1496,17 @@ add_archive_element (struct bfd_link_info *info,
 	  header_printed = true;
 	}
 
-      if (abfd->my_archive == NULL
-	  || bfd_is_thin_archive (abfd->my_archive))
+      if (my_archive == NULL
+	  || bfd_is_thin_archive (my_archive))
 	{
 	  minfo ("%s", bfd_get_filename (abfd));
 	  len = strlen (bfd_get_filename (abfd));
 	}
       else
 	{
-	  minfo ("%s(%s)", bfd_get_filename (abfd->my_archive),
+	  minfo ("%s(%s)", bfd_get_filename (my_archive),
 		 bfd_get_filename (abfd));
-	  len = (strlen (bfd_get_filename (abfd->my_archive))
+	  len = (strlen (bfd_get_filename (my_archive))
 		 + strlen (bfd_get_filename (abfd))
 		 + 2);
 	}
@@ -1522,7 +1528,7 @@ add_archive_element (struct bfd_link_info *info,
 
   if (verbose
       || trace_files > 1
-      || (trace_files && bfd_is_thin_archive (orig_input.the_bfd->my_archive)))
+      || (trace_files && bfd_is_thin_archive (my_archive)))
     info_msg ("%pI\n", &orig_input);
   return true;
 }