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=-9.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham 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 64A92C432C3 for ; Fri, 22 Nov 2019 11:01:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 3DB782075B for ; Fri, 22 Nov 2019 11:01:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1574420505; bh=KyMv468KYUxa0zlBPzJSuBJ/C6Qe6r6JSM8MqWf4Ufw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=l+MwoXp0Eo5ia0JVHaofesJ4zlLMCd2U5BQ4m5GC10OY/UawNEnPGiKC0TaC9+Hmn tOdTF9GMr7xXT86RY7HGIsr+Ejhbbn+/CCjLsrsi+5djRndexRw1AAJtZJeFRuOuEw Hh3nxIhNYOpkyhVLkSqro/NbVPJOvm/gmFiEcMzs= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730659AbfKVLBo (ORCPT ); Fri, 22 Nov 2019 06:01:44 -0500 Received: from mail.kernel.org ([198.145.29.99]:54822 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731220AbfKVLBm (ORCPT ); Fri, 22 Nov 2019 06:01:42 -0500 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 80B1A20679; Fri, 22 Nov 2019 11:01:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1574420502; bh=KyMv468KYUxa0zlBPzJSuBJ/C6Qe6r6JSM8MqWf4Ufw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Tj0wquWCTL3z/5ztb79/H7p/VmAvhTucVeWYnTmCRjnKG1sovW8cd8AmNFNgyIdz/ MYQpl/rL9yc3dyhO2kvviD8v0zasxaNAjRljGUOP2qlFJgwgJ7EeOxgkFD9ltJdXPE YfUPO/gy7UKBmzq5yMsftAE3o0hjEVn8A7f4ltQc= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, rostedt@goodmis.org, He Zhe , Sergey Senozhatsky , Petr Mladek , Sasha Levin Subject: [PATCH 4.19 121/220] printk: Correct wrong casting Date: Fri, 22 Nov 2019 11:28:06 +0100 Message-Id: <20191122100921.440779527@linuxfoundation.org> X-Mailer: git-send-email 2.24.0 In-Reply-To: <20191122100912.732983531@linuxfoundation.org> References: <20191122100912.732983531@linuxfoundation.org> User-Agent: quilt/0.66 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 From: He Zhe [ Upstream commit 51a72ab7372d85c96104e58036f1b49ba11e5d2b ] log_first_seq and console_seq are 64-bit unsigned integers. Correct a wrong casting that might cut off the output. Link: http://lkml.kernel.org/r/1538239553-81805-2-git-send-email-zhe.he@windriver.com Cc: rostedt@goodmis.org Cc: linux-kernel@vger.kernel.org Signed-off-by: He Zhe [sergey.senozhatsky@gmail.com: More descriptive commit message] Reviewed-by: Sergey Senozhatsky Signed-off-by: Petr Mladek Signed-off-by: Sasha Levin --- kernel/printk/printk.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c index 11d70fd15e706..52390f5a1db11 100644 --- a/kernel/printk/printk.c +++ b/kernel/printk/printk.c @@ -2358,8 +2358,9 @@ void console_unlock(void) printk_safe_enter_irqsave(flags); raw_spin_lock(&logbuf_lock); if (console_seq < log_first_seq) { - len = sprintf(text, "** %u printk messages dropped **\n", - (unsigned)(log_first_seq - console_seq)); + len = sprintf(text, + "** %llu printk messages dropped **\n", + log_first_seq - console_seq); /* messages are gone, move to first one */ console_seq = log_first_seq; -- 2.20.1