From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:59826 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752452AbeB1J4c (ORCPT ); Wed, 28 Feb 2018 04:56:32 -0500 Subject: Patch "vsprintf: avoid misleading "(null)" for %px" has been added to the 4.15-stable tree To: kilobyte@angband.pl, David.Laight@ACULAB.COM, akpm@linux-foundation.org, geert@linux-m68k.org, gregkh@linuxfoundation.org, joe@perches.com, keescook@chromium.org, pmladek@suse.com, rdunlap@infradead.org, rostedt@goodmis.org, sergey.senozhatsky@gmail.com, torvalds@linux-foundation.org, william.c.roberts@intel.com Cc: , From: Date: Wed, 28 Feb 2018 10:56:34 +0100 Message-ID: <151981179413255@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ANSI_X3.4-1968 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org List-ID: This is a note to let you know that I've just added the patch titled vsprintf: avoid misleading "(null)" for %px to the 4.15-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: vsprintf-avoid-misleading-null-for-px.patch and it can be found in the queue-4.15 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let know about it. >>From 3a129cc2151425e5aeb69aeb25fbc994ec738137 Mon Sep 17 00:00:00 2001 From: Adam Borowski Date: Sun, 4 Feb 2018 18:45:21 +0100 Subject: vsprintf: avoid misleading "(null)" for %px From: Adam Borowski commit 3a129cc2151425e5aeb69aeb25fbc994ec738137 upstream. Like %pK already does, print "00000000" instead. This confused people -- the convention is that "(null)" means you tried to dereference a null pointer as opposed to printing the address. Link: http://lkml.kernel.org/r/20180204174521.21383-1-kilobyte@angband.pl To: Sergey Senozhatsky To: Steven Rostedt To: linux-kernel@vger.kernel.org Cc: Andrew Morton Cc: Joe Perches Cc: Kees Cook Cc: "Roberts, William C" Cc: Linus Torvalds Cc: David Laight Cc: Randy Dunlap Cc: Geert Uytterhoeven Signed-off-by: Adam Borowski Signed-off-by: Petr Mladek Signed-off-by: Greg Kroah-Hartman --- lib/vsprintf.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/lib/vsprintf.c +++ b/lib/vsprintf.c @@ -1849,7 +1849,7 @@ char *pointer(const char *fmt, char *buf { const int default_width = 2 * sizeof(void *); - if (!ptr && *fmt != 'K') { + if (!ptr && *fmt != 'K' && *fmt != 'x') { /* * Print (null) with the same width as a pointer so it makes * tabular output look nice. Patches currently in stable-queue which might be from kilobyte@angband.pl are queue-4.15/vsprintf-avoid-misleading-null-for-px.patch