From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Google-Smtp-Source: AH8x2265FhTaX2kQlqBGlKyz1aofeIepH6KFeXybkCUQVPctw264YMN1aF2SOFkS6x8EadKmNLcX ARC-Seal: i=1; a=rsa-sha256; t=1519217816; cv=none; d=google.com; s=arc-20160816; b=HxiB7ZiEKuqx/Hqjn2CXsFjtisTN5ZHQC9cwbX7J3Jbre4VOGWyFwye/EJDcWKDQel T7e9O81lVKr7Uiwcp1GzSC7ZwC0C7waT/epnFkltODSm9XZJXFFqzIF2Ol/IcWkpYxj6 x1kNe1V18qzbx0QfSpVL4iKykQhXyVaEuycs5aApQUdDB1fjNeSrJxW2fysfNbe/M23P qpmVMIR+gwMNnKH7B3gr7n8rGXXHSoIKHJW81ptW0cMKDbI5o2HZR4My/05zAXXnxLko 5D7o/VoKKJi2ZaIKviuGvsawARA2OWpQ9wqvF8EwbZmNBr3sPQ8qYZc12gQbnwDnl9gg hkMg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=mime-version:user-agent:references:in-reply-to:message-id:date :subject:cc:to:from:arc-authentication-results; bh=hTd2SkcZfUbYvMxoxZ96XQdbKR63JPzdBYXQ4WpJCcE=; b=YN8coMB3hxe0zV8HROch5SQB/i8G1Pg8uwasTGxFvEJN9FBdNO7W8nJNa4FPOdU3Tb 1TCATqwJ7CnkNhTx4SK8QHyWY5txPKOoVprPDjRaj36UoFZaxVbGlE2VsnPb4XhBaqUG fZ6mgpwyBRc1awON2Qz6dagFEiJCKxyeYZPAvuJESojBgfHqRNSjMu4iyu98xvXR4spr MaibKT474pCKsavpOsqhdVc17D6TZtgnOVqyxZNhuNGD916s+81Kwzww+5Y1jf6p/R4g eWIqiSjwmC+lBgdYaig6jyd72O2InXL1Imkp4UPT/T9+hdeAdGvj7m5+E2CyvFTbFMfF zTRA== ARC-Authentication-Results: i=1; mx.google.com; spf=softfail (google.com: domain of transitioning gregkh@linuxfoundation.org does not designate 90.92.71.90 as permitted sender) smtp.mailfrom=gregkh@linuxfoundation.org Authentication-Results: mx.google.com; spf=softfail (google.com: domain of transitioning gregkh@linuxfoundation.org does not designate 90.92.71.90 as permitted sender) smtp.mailfrom=gregkh@linuxfoundation.org From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Dan Carpenter , Andy Lutomirski , Borislav Petkov , David Woodhouse , KarimAllah Ahmed , Linus Torvalds , Peter Zijlstra , Thomas Gleixner , kernel-janitors@vger.kernel.org, Ingo Molnar Subject: [PATCH 4.9 65/77] x86/spectre: Fix an error message Date: Wed, 21 Feb 2018 13:49:14 +0100 Message-Id: <20180221124434.946852327@linuxfoundation.org> X-Mailer: git-send-email 2.16.2 In-Reply-To: <20180221124432.172390020@linuxfoundation.org> References: <20180221124432.172390020@linuxfoundation.org> User-Agent: quilt/0.65 X-stable: review MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-LABELS: =?utf-8?b?IlxcU2VudCI=?= X-GMAIL-THRID: =?utf-8?q?1593015341628696897?= X-GMAIL-MSGID: =?utf-8?q?1593015341628696897?= X-Mailing-List: linux-kernel@vger.kernel.org List-ID: 4.9-stable review patch. If anyone has any objections, please let me know. ------------------ From: Dan Carpenter commit 9de29eac8d2189424d81c0d840cd0469aa3d41c8 upstream. If i == ARRAY_SIZE(mitigation_options) then we accidentally print garbage from one space beyond the end of the mitigation_options[] array. Signed-off-by: Dan Carpenter Cc: Andy Lutomirski Cc: Borislav Petkov Cc: David Woodhouse Cc: Greg Kroah-Hartman Cc: KarimAllah Ahmed Cc: Linus Torvalds Cc: Peter Zijlstra Cc: Thomas Gleixner Cc: kernel-janitors@vger.kernel.org Fixes: 9005c6834c0f ("x86/spectre: Simplify spectre_v2 command line parsing") Link: http://lkml.kernel.org/r/20180214071416.GA26677@mwanda Signed-off-by: Ingo Molnar Signed-off-by: Greg Kroah-Hartman --- arch/x86/kernel/cpu/bugs.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/arch/x86/kernel/cpu/bugs.c +++ b/arch/x86/kernel/cpu/bugs.c @@ -173,7 +173,7 @@ static enum spectre_v2_mitigation_cmd __ } if (i >= ARRAY_SIZE(mitigation_options)) { - pr_err("unknown option (%s). Switching to AUTO select\n", mitigation_options[i].option); + pr_err("unknown option (%s). Switching to AUTO select\n", arg); return SPECTRE_V2_CMD_AUTO; } }