linux-hardening - kernel bug report and patch

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Date:   Wed, 8 Jun 2022 08:48:47 +0000
From:   David Binderman <dcb314@...mail.com>
To:     "keescook@...omium.org" <keescook@...omium.org>,
        "linux-hardening@...r.kernel.org" <linux-hardening@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: kernel bug report and patch

Hello there Kees,

I've been trying for the last few weeks to compile recent linux kernels with
development versions of gcc, without success.

I keep getting this error:

In file included from scripts/gcc-plugins/gcc-common.h:75,
                 from scripts/gcc-plugins/stackleak_plugin.c:30:
/home/dcb/gcc/results.20220604.asan.ubsan/lib/gcc/x86_64-pc-linux-gnu/13.0.0/plugin/include/gimple-fold.h:71:32: error: use of enum ‘gsi_iterator_update’ without previous declaration

I found this patch useful:

*** ../linux-5.18/scripts/gcc-plugins/gcc-common.h	2022-03-20 20:14:17.0000
00000 +0000
--- scripts/gcc-plugins/gcc-common.h	2022-06-08 09:21:21.693178983 +0100
***************
*** 71,76 ****
--- 71,78 ----
  #include "varasm.h"
  #include "stor-layout.h"
  #include "internal-fn.h"
+ #include "gimple.h"
+ #include "gimple-iterator.h"
  #include "gimple-expr.h"
  #include "gimple-fold.h"
  #include "context.h"

Regards

David Binderman