16.mga9/SOURCES/0015-PR28422-build_id-use-after-free.patch

From c20c7adbeaa3af18a58ba1e20e6c33e7186356e3 Mon Sep 17 00:00:00 2001
From: Alan Modra <amodra@gmail.com>
Date: Wed, 6 Oct 2021 18:28:47 +1030
Subject: [PATCH] PR28422, build_id use-after-free

This fixes a bug in commit 5d9bbb73c1df.  All fields preserved from a
bfd in struct bfd_preserve need to be cleared in bfd_reinit.

        PR 28422
        * format.c (bfd_reinit): Clear build_id.

(cherry picked from commit 6d661cdc5be46e890ed9255e749806f46a88e26c)
---
 bfd/format.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/bfd/format.c b/bfd/format.c
index 5d08d1d642c..408c984690e 100644
--- a/bfd/format.c
+++ b/bfd/format.c
@@ -151,6 +151,7 @@ bfd_reinit (bfd *abfd, unsigned int section_id, bfd_cleanup cleanup)
   abfd->tdata.any = NULL;
   abfd->arch_info = &bfd_default_arch_struct;
   abfd->flags &= BFD_FLAGS_SAVED;
+  abfd->build_id = NULL;
   bfd_section_list_clear (abfd);
 }
 
-- 
2.33.0

1	From c20c7adbeaa3af18a58ba1e20e6c33e7186356e3 Mon Sep 17 00:00:00 2001
2	From: Alan Modra <amodra@gmail.com>
3	Date: Wed, 6 Oct 2021 18:28:47 +1030
4	Subject: [PATCH] PR28422, build_id use-after-free
5
6	This fixes a bug in commit 5d9bbb73c1df. All fields preserved from a
7	bfd in struct bfd_preserve need to be cleared in bfd_reinit.
8
9	PR 28422
10	* format.c (bfd_reinit): Clear build_id.
11
12	(cherry picked from commit 6d661cdc5be46e890ed9255e749806f46a88e26c)
13	---
14	bfd/format.c \| 1 +
15	1 file changed, 1 insertion(+)
16
17	diff --git a/bfd/format.c b/bfd/format.c
18	index 5d08d1d642c..408c984690e 100644
19	--- a/bfd/format.c
20	+++ b/bfd/format.c
21	@@ -151,6 +151,7 @@ bfd_reinit (bfd *abfd, unsigned int section_id, bfd_cleanup cleanup)
22	abfd->tdata.any = NULL;
23	abfd->arch_info = &bfd_default_arch_struct;
24	abfd->flags &= BFD_FLAGS_SAVED;
25	+ abfd->build_id = NULL;
26	bfd_section_list_clear (abfd);
27	}
28
29	--
30	2.33.0
31