From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.0 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B6970C43381 for ; Fri, 22 Mar 2019 12:28:44 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 87D9F2054F for ; Fri, 22 Mar 2019 12:28:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1553257724; bh=8iRjdkPoULPbbnqHkLjnfjzYLmrTlF1EWn3ugggg6Hg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=IH1czjxGN8+UVCTqJWg9xluca633x5PtFyhyDKP1w8ZoMQgdMsTlQvKzycXxDD6Ef tI9pDxGy6oBhlw1dsuiLGv70M47Zt87//9xAGzyyw5+vUbKz70WjxD8VgXIg6/tBpe SYTTgfe8aXvEC4bXXduxS+ILle6nM/I3qqhbL6A8= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731655AbfCVM2i (ORCPT ); Fri, 22 Mar 2019 08:28:38 -0400 Received: from mail.kernel.org ([198.145.29.99]:59436 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2390579AbfCVMU0 (ORCPT ); Fri, 22 Mar 2019 08:20:26 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 77D46218A1; Fri, 22 Mar 2019 12:20:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1553257226; bh=8iRjdkPoULPbbnqHkLjnfjzYLmrTlF1EWn3ugggg6Hg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=2DIVKbbr0vdNXgUWbbuXEZubCLjHMiQzhNom8vKuBf5IJ7gVsrpajgKwpcpgK6F0+ RtH8wNC3cLw6DBO60MfRvy4jouXVhPytIg9nn7nfatA5vPi7PaWQdvNQdf0ESVCqiw JwJQkkmJWmHLdR9nFPI8defknjDpLB/8DNWxns84= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Christophe Leroy , Michael Ellerman Subject: [PATCH 5.0 169/238] powerpc/traps: Fix the message printed when stack overflows Date: Fri, 22 Mar 2019 12:16:28 +0100 Message-Id: <20190322111308.261467624@linuxfoundation.org> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190322111258.383569278@linuxfoundation.org> References: <20190322111258.383569278@linuxfoundation.org> User-Agent: quilt/0.65 X-stable: review X-Patchwork-Hint: ignore MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org 5.0-stable review patch. If anyone has any objections, please let me know. ------------------ From: Christophe Leroy commit 9bf3d3c4e4fd82c7174f4856df372ab2a71005b9 upstream. Today's message is useless: [ 42.253267] Kernel stack overflow in process (ptrval), r1=c65500b0 This patch fixes it: [ 66.905235] Kernel stack overflow in process sh[356], r1=c65560b0 Fixes: ad67b74d2469 ("printk: hash addresses printed with %p") Cc: stable@vger.kernel.org # v4.15+ Signed-off-by: Christophe Leroy [mpe: Use task_pid_nr()] Signed-off-by: Michael Ellerman Signed-off-by: Greg Kroah-Hartman --- arch/powerpc/kernel/traps.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) --- a/arch/powerpc/kernel/traps.c +++ b/arch/powerpc/kernel/traps.c @@ -1542,8 +1542,8 @@ bail: void StackOverflow(struct pt_regs *regs) { - printk(KERN_CRIT "Kernel stack overflow in process %p, r1=%lx\n", - current, regs->gpr[1]); + pr_crit("Kernel stack overflow in process %s[%d], r1=%lx\n", + current->comm, task_pid_nr(current), regs->gpr[1]); debugger(regs); show_regs(regs); panic("kernel stack overflow");