From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754861AbcITVuG (ORCPT ); Tue, 20 Sep 2016 17:50:06 -0400 Received: from terminus.zytor.com ([198.137.202.10]:39480 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754696AbcITVuD (ORCPT ); Tue, 20 Sep 2016 17:50:03 -0400 Date: Tue, 20 Sep 2016 14:48:44 -0700 From: tip-bot for Josh Poimboeuf Message-ID: Cc: mingo@kernel.org, torvalds@linux-foundation.org, bp@alien8.de, luto@kernel.org, tglx@linutronix.de, brgerst@gmail.com, tipbot@zytor.com, jpoimboe@redhat.com, dvlasenk@redhat.com, linux-kernel@vger.kernel.org, hpa@zytor.com, peterz@infradead.org Reply-To: bp@alien8.de, luto@kernel.org, mingo@kernel.org, torvalds@linux-foundation.org, tglx@linutronix.de, brgerst@gmail.com, hpa@zytor.com, linux-kernel@vger.kernel.org, dvlasenk@redhat.com, tipbot@zytor.com, jpoimboe@redhat.com, peterz@infradead.org In-Reply-To: <20160920155340.yhewlx7vmgmov5fb@treble> References: <20160920155340.yhewlx7vmgmov5fb@treble> To: linux-tip-commits@vger.kernel.org Subject: [tip:x86/asm] x86/dumpstack: Fix show_stack() task pointer regression Git-Commit-ID: 71f5443ebb1227c22e8decbcd28a1ea6deaf8257 X-Mailer: tip-git-log-daemon Robot-ID: Robot-Unsubscribe: Contact to get blacklisted from these emails MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset=UTF-8 Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Commit-ID: 71f5443ebb1227c22e8decbcd28a1ea6deaf8257 Gitweb: http://git.kernel.org/tip/71f5443ebb1227c22e8decbcd28a1ea6deaf8257 Author: Josh Poimboeuf AuthorDate: Tue, 20 Sep 2016 10:53:40 -0500 Committer: Ingo Molnar CommitDate: Tue, 20 Sep 2016 23:36:37 +0200 x86/dumpstack: Fix show_stack() task pointer regression With the following commit: e18bcccd1a4e ("x86/dumpstack: Convert show_trace_log_lvl() to use the new unwinder") The task pointer argument to show_stack_log_lvl() in show_stack() was inadvertently changed to 'current'. Signed-off-by: Josh Poimboeuf Cc: Andy Lutomirski Cc: Borislav Petkov Cc: Brian Gerst Cc: Denys Vlasenko Cc: H. Peter Anvin Cc: Linus Torvalds Cc: Peter Zijlstra Cc: Thomas Gleixner Cc: byungchul.park@lge.com Cc: fweisbec@gmail.com Cc: keescook@chromium.org Cc: linux-tip-commits@vger.kernel.org Cc: luto@amacapital.net Cc: nilayvaish@gmail.com Cc: rostedt@goodmis.org Cc: tip-bot for Josh Poimboeuf Fixes: e18bcccd1a4e ("x86/dumpstack: Convert show_trace_log_lvl() to use the new unwinder") Link: http://lkml.kernel.org/r/20160920155340.yhewlx7vmgmov5fb@treble Signed-off-by: Ingo Molnar --- arch/x86/kernel/dumpstack.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/kernel/dumpstack.c b/arch/x86/kernel/dumpstack.c index 999de3b..9b7cf5c 100644 --- a/arch/x86/kernel/dumpstack.c +++ b/arch/x86/kernel/dumpstack.c @@ -164,7 +164,7 @@ void show_stack(struct task_struct *task, unsigned long *sp) if (!sp && task == current) sp = get_stack_pointer(current, NULL); - show_stack_log_lvl(current, NULL, sp, ""); + show_stack_log_lvl(task, NULL, sp, ""); } void show_stack_regs(struct pt_regs *regs)