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=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,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 7A452C43331 for ; Wed, 13 Nov 2019 02:22:38 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 4E7442067B for ; Wed, 13 Nov 2019 02:22:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1573611758; bh=KyMv468KYUxa0zlBPzJSuBJ/C6Qe6r6JSM8MqWf4Ufw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=WiZ8l5ipgr6TtNpgzS5jsw1C5XGbSXDNcp6RfpX8OpaUAD0EuNWBS0rKq33rT6d5z bycbqIi8Qz1tk+Z63aF3PJz84yqJL96K8K+aXO9fy97nNTGHOW9VUITRB3yS92QLH1 X4QffA8ETE/0ZlF5cTdhDLjnnpaozLbGgNZaanN0= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729722AbfKMCWg (ORCPT ); Tue, 12 Nov 2019 21:22:36 -0500 Received: from mail.kernel.org ([198.145.29.99]:43000 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727535AbfKMBxY (ORCPT ); Tue, 12 Nov 2019 20:53:24 -0500 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 18613204EC; Wed, 13 Nov 2019 01:53:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1573610003; bh=KyMv468KYUxa0zlBPzJSuBJ/C6Qe6r6JSM8MqWf4Ufw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=2Cgwikjk8xTJnBxEN6br8wJr2saUoSV2HOjObqTDH6dbtR+8mM5sXKxoWZNKteIIF 21ZYmYMShIH+4fBO5I/Z3Iq0jl4XnJRbZpkISN9Ory4PmGIinNfB1mFFJEwHSpurBP fpS+VLiV5SzfJ0YotvZGFp+Qe4SUhC49ekahW5qI= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: He Zhe , rostedt@goodmis.org, Sergey Senozhatsky , Petr Mladek , Sasha Levin Subject: [PATCH AUTOSEL 4.19 110/209] printk: Correct wrong casting Date: Tue, 12 Nov 2019 20:48:46 -0500 Message-Id: <20191113015025.9685-110-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20191113015025.9685-1-sashal@kernel.org> References: <20191113015025.9685-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@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