From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752904AbcEJOkk (ORCPT ); Tue, 10 May 2016 10:40:40 -0400 Received: from foss.arm.com ([217.140.101.70]:45620 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751502AbcEJOkj (ORCPT ); Tue, 10 May 2016 10:40:39 -0400 From: Julien Grall To: linux-arm-kernel@lists.infradead.org Cc: will.deacon@arm.com, linux-kernel@vger.kernel.org, julien.grall@arm.com, catalin.marinas@arm.com, stable@vger.kernel.org, Mark Rutland , "Suzuki K. Poulose" Subject: [PATCH] arm64: cpuinfo: Missing NULL terminator in compat_hwcap_str Date: Tue, 10 May 2016 15:40:31 +0100 Message-Id: <1462891231-17605-1-git-send-email-julien.grall@arm.com> X-Mailer: git-send-email 1.9.1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The loop that browses the array compat_hwcap_str will stop when a NULL is encountered, however NULL is missing at the end of array. This will result to overrun until one NULL is found somewhere in the memory. Fixes: 44b82b7700d0 "arm64: Fix up /proc/cpuinfo" Signed-off-by: Julien Grall Cc: stable@vger.kernel.org --- Cc: Mark Rutland Cc: Suzuki K. Poulose --- arch/arm64/kernel/cpuinfo.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/arch/arm64/kernel/cpuinfo.c b/arch/arm64/kernel/cpuinfo.c index 84c8684..f0c3fb7 100644 --- a/arch/arm64/kernel/cpuinfo.c +++ b/arch/arm64/kernel/cpuinfo.c @@ -87,7 +87,8 @@ static const char *const compat_hwcap_str[] = { "idivt", "vfpd32", "lpae", - "evtstrm" + "evtstrm", + NULL }; static const char *const compat_hwcap2_str[] = { -- 1.9.1