Patch "bug: use %pB in BUG and stack protector failure" has been added to the 4.14-stable tree

Patch "bug: use %pB in BUG and stack protector failure" has been added to the 4.14-stable tree

[gregkh]

This is a note to let you know that I've just added the patch titled

    bug: use %pB in BUG and stack protector failure

to the 4.14-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     bug-use-pb-in-bug-and-stack-protector-failure.patch
and it can be found in the queue-4.14 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@vger.kernel.org> know about it.


>From 0862ca422b79cb5aa70823ee0f07f6b468f86070 Mon Sep 17 00:00:00 2001
From: Kees Cook <keescook@chromium.org>
Date: Fri, 9 Mar 2018 15:50:59 -0800
Subject: bug: use %pB in BUG and stack protector failure

From: Kees Cook <keescook@chromium.org>

commit 0862ca422b79cb5aa70823ee0f07f6b468f86070 upstream.

The BUG and stack protector reports were still using a raw %p.  This
changes it to %pB for more meaningful output.

Link: http://lkml.kernel.org/r/20180301225704.GA34198@beast
Fixes: ad67b74d2469 ("printk: hash addresses printed with %p")
Signed-off-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Richard Weinberger <richard.weinberger@gmail.com>,
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 kernel/panic.c |    2 +-
 lib/bug.c      |    2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

--- a/kernel/panic.c
+++ b/kernel/panic.c
@@ -595,7 +595,7 @@ EXPORT_SYMBOL(warn_slowpath_null);
  */
 __visible void __stack_chk_fail(void)
 {
-	panic("stack-protector: Kernel stack is corrupted in: %p\n",
+	panic("stack-protector: Kernel stack is corrupted in: %pB\n",
 		__builtin_return_address(0));
 }
 EXPORT_SYMBOL(__stack_chk_fail);
--- a/lib/bug.c
+++ b/lib/bug.c
@@ -191,7 +191,7 @@ enum bug_trap_type report_bug(unsigned l
 	if (file)
 		pr_crit("kernel BUG at %s:%u!\n", file, line);
 	else
-		pr_crit("Kernel BUG at %p [verbose debug info unavailable]\n",
+		pr_crit("Kernel BUG at %pB [verbose debug info unavailable]\n",
 			(void *)bugaddr);
 
 	return BUG_TRAP_TYPE_BUG;


Patches currently in stable-queue which might be from keescook@chromium.org are

queue-4.14/bug-use-pb-in-bug-and-stack-protector-failure.patch
queue-4.14/lib-bug.c-exclude-non-bug-warn-exceptions-from-report_bug.patch